diff --git a/libraries/USBDevice/USBAudio/USBAudio.cpp b/libraries/USBDevice/USBAudio/USBAudio.cpp new file mode 100644 index 0000000000..f9c3e1f832 --- /dev/null +++ b/libraries/USBDevice/USBAudio/USBAudio.cpp @@ -0,0 +1,618 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include "stdint.h" +#include "USBAudio.h" +#include "USBAudio_Types.h" + + + +USBAudio::USBAudio(uint32_t frequency_in, uint8_t channel_nb_in, uint32_t frequency_out, uint8_t channel_nb_out, uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) { + mute = 0; + volCur = 0x0080; + volMin = 0x0000; + volMax = 0x0100; + volRes = 0x0004; + available = false; + + FREQ_IN = frequency_in; + FREQ_OUT = frequency_out; + + this->channel_nb_in = channel_nb_in; + this->channel_nb_out = channel_nb_out; + + // stereo -> *2, mono -> *1 + PACKET_SIZE_ISO_IN = (FREQ_IN / 500) * channel_nb_in; + PACKET_SIZE_ISO_OUT = (FREQ_OUT / 500) * channel_nb_out; + + // STEREO -> left and right + channel_config_in = (channel_nb_in == 1) ? CHANNEL_M : CHANNEL_L + CHANNEL_R; + channel_config_out = (channel_nb_out == 1) ? CHANNEL_M : CHANNEL_L + CHANNEL_R; + + SOF_handler = false; + + buf_stream_out = NULL; + buf_stream_in = NULL; + + interruptOUT = false; + writeIN = false; + interruptIN = false; + available = false; + + volume = 0; + + // connect the device + USBDevice::connect(); +} + +bool USBAudio::read(uint8_t * buf) { + buf_stream_in = buf; + SOF_handler = false; + while (!available || !SOF_handler); + available = false; + return true; +} + +bool USBAudio::readNB(uint8_t * buf) { + buf_stream_in = buf; + SOF_handler = false; + while (!SOF_handler); + if (available) { + available = false; + buf_stream_in = NULL; + return true; + } + return false; +} + +bool USBAudio::readWrite(uint8_t * buf_read, uint8_t * buf_write) { + buf_stream_in = buf_read; + SOF_handler = false; + writeIN = false; + if (interruptIN) { + USBDevice::writeNB(EP3IN, buf_write, PACKET_SIZE_ISO_OUT, PACKET_SIZE_ISO_OUT); + } else { + buf_stream_out = buf_write; + } + while (!available); + if (interruptIN) { + while (!writeIN); + } + while (!SOF_handler); + return true; +} + + +bool USBAudio::write(uint8_t * buf) { + writeIN = false; + SOF_handler = false; + if (interruptIN) { + USBDevice::writeNB(EP3IN, buf, PACKET_SIZE_ISO_OUT, PACKET_SIZE_ISO_OUT); + } else { + buf_stream_out = buf; + } + while (!SOF_handler); + if (interruptIN) { + while (!writeIN); + } + return true; +} + + +float USBAudio::getVolume() { + return (mute) ? 0.0 : volume; +} + + +bool USBAudio::EP3_OUT_callback() { + uint32_t size = 0; + interruptOUT = true; + if (buf_stream_in != NULL) { + readEP(EP3OUT, (uint8_t *)buf_stream_in, &size, PACKET_SIZE_ISO_IN); + available = true; + buf_stream_in = NULL; + } + readStart(EP3OUT, PACKET_SIZE_ISO_IN); + return false; +} + + +bool USBAudio::EP3_IN_callback() { + interruptIN = true; + writeIN = true; + return true; +} + + + +// Called in ISR context on each start of frame +void USBAudio::SOF(int frameNumber) { + uint32_t size = 0; + + if (!interruptOUT) { + // read the isochronous endpoint + if (buf_stream_in != NULL) { + if (USBDevice::readEP_NB(EP3OUT, (uint8_t *)buf_stream_in, &size, PACKET_SIZE_ISO_IN)) { + if (size) { + available = true; + readStart(EP3OUT, PACKET_SIZE_ISO_IN); + buf_stream_in = NULL; + } + } + } + } + + if (!interruptIN) { + // write if needed + if (buf_stream_out != NULL) { + USBDevice::writeNB(EP3IN, (uint8_t *)buf_stream_out, PACKET_SIZE_ISO_OUT, PACKET_SIZE_ISO_OUT); + buf_stream_out = NULL; + } + } + + SOF_handler = true; +} + + +// Called in ISR context +// Set configuration. Return false if the configuration is not supported. +bool USBAudio::USBCallback_setConfiguration(uint8_t configuration) { + if (configuration != DEFAULT_CONFIGURATION) { + return false; + } + + // Configure isochronous endpoint + realiseEndpoint(EP3OUT, PACKET_SIZE_ISO_IN, ISOCHRONOUS); + realiseEndpoint(EP3IN, PACKET_SIZE_ISO_OUT, ISOCHRONOUS); + + // activate readings on this endpoint + readStart(EP3OUT, PACKET_SIZE_ISO_IN); + return true; +} + + +// Called in ISR context +// Set alternate setting. Return false if the alternate setting is not supported +bool USBAudio::USBCallback_setInterface(uint16_t interface, uint8_t alternate) { + if (interface == 0 && alternate == 0) { + return true; + } + if (interface == 1 && (alternate == 0 || alternate == 1)) { + return true; + } + if (interface == 2 && (alternate == 0 || alternate == 1)) { + return true; + } + return false; +} + + + +// Called in ISR context +// Called by USBDevice on Endpoint0 request +// This is used to handle extensions to standard requests and class specific requests. +// Return true if class handles this request +bool USBAudio::USBCallback_request() { + bool success = false; + CONTROL_TRANSFER * transfer = getTransferPtr(); + + // Process class-specific requests + if (transfer->setup.bmRequestType.Type == CLASS_TYPE) { + + // Feature Unit: Interface = 0, ID = 2 + if (transfer->setup.wIndex == 0x0200) { + + // Master Channel + if ((transfer->setup.wValue & 0xff) == 0) { + + switch (transfer->setup.wValue >> 8) { + case MUTE_CONTROL: + switch (transfer->setup.bRequest) { + case REQUEST_GET_CUR: + transfer->remaining = 1; + transfer->ptr = &mute; + transfer->direction = DEVICE_TO_HOST; + success = true; + break; + + case REQUEST_SET_CUR: + transfer->remaining = 1; + transfer->notify = true; + transfer->direction = HOST_TO_DEVICE; + success = true; + break; + default: + break; + } + break; + case VOLUME_CONTROL: + switch (transfer->setup.bRequest) { + case REQUEST_GET_CUR: + transfer->remaining = 2; + transfer->ptr = (uint8_t *)&volCur; + transfer->direction = DEVICE_TO_HOST; + success = true; + break; + case REQUEST_GET_MIN: + transfer->remaining = 2; + transfer->ptr = (uint8_t *)&volMin; + transfer->direction = DEVICE_TO_HOST; + success = true; + break; + case REQUEST_GET_MAX: + transfer->remaining = 2; + transfer->ptr = (uint8_t *)&volMax; + transfer->direction = DEVICE_TO_HOST; + success = true; + break; + case REQUEST_GET_RES: + transfer->remaining = 2; + transfer->ptr = (uint8_t *)&volRes; + transfer->direction = DEVICE_TO_HOST; + success = true; + break; + + case REQUEST_SET_CUR: + transfer->remaining = 2; + transfer->notify = true; + transfer->direction = HOST_TO_DEVICE; + success = true; + break; + case REQUEST_SET_MIN: + transfer->remaining = 2; + transfer->notify = true; + transfer->direction = HOST_TO_DEVICE; + success = true; + break; + case REQUEST_SET_MAX: + transfer->remaining = 2; + transfer->notify = true; + transfer->direction = HOST_TO_DEVICE; + success = true; + break; + case REQUEST_SET_RES: + transfer->remaining = 2; + transfer->notify = true; + transfer->direction = HOST_TO_DEVICE; + success = true; + break; + } + break; + default: + break; + } + } + } + } + return success; +} + + +// Called in ISR context when a data OUT stage has been performed +void USBAudio::USBCallback_requestCompleted(uint8_t * buf, uint32_t length) { + if ((length == 1) || (length == 2)) { + uint16_t data = (length == 1) ? *buf : *((uint16_t *)buf); + CONTROL_TRANSFER * transfer = getTransferPtr(); + switch (transfer->setup.wValue >> 8) { + case MUTE_CONTROL: + switch (transfer->setup.bRequest) { + case REQUEST_SET_CUR: + mute = data & 0xff; + updateVol.call(); + break; + default: + break; + } + break; + case VOLUME_CONTROL: + switch (transfer->setup.bRequest) { + case REQUEST_SET_CUR: + volCur = data; + volume = (float)volCur/(float)volMax; + updateVol.call(); + break; + default: + break; + } + break; + default: + break; + } + } +} + + + +#define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \ + + (5 * INTERFACE_DESCRIPTOR_LENGTH) \ + + (1 * CONTROL_INTERFACE_DESCRIPTOR_LENGTH + 1) \ + + (2 * INPUT_TERMINAL_DESCRIPTOR_LENGTH) \ + + (1 * FEATURE_UNIT_DESCRIPTOR_LENGTH) \ + + (2 * OUTPUT_TERMINAL_DESCRIPTOR_LENGTH) \ + + (2 * STREAMING_INTERFACE_DESCRIPTOR_LENGTH) \ + + (2 * FORMAT_TYPE_I_DESCRIPTOR_LENGTH) \ + + (2 * (ENDPOINT_DESCRIPTOR_LENGTH + 2)) \ + + (2 * STREAMING_ENDPOINT_DESCRIPTOR_LENGTH) ) + +#define TOTAL_CONTROL_INTF_LENGTH (CONTROL_INTERFACE_DESCRIPTOR_LENGTH + 1 + \ + 2*INPUT_TERMINAL_DESCRIPTOR_LENGTH + \ + FEATURE_UNIT_DESCRIPTOR_LENGTH + \ + 2*OUTPUT_TERMINAL_DESCRIPTOR_LENGTH) + +uint8_t * USBAudio::configurationDesc() { + static uint8_t configDescriptor[] = { + // Configuration 1 + CONFIGURATION_DESCRIPTOR_LENGTH, // bLength + CONFIGURATION_DESCRIPTOR, // bDescriptorType + LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB) + MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB) + 0x03, // bNumInterfaces + DEFAULT_CONFIGURATION, // bConfigurationValue + 0x00, // iConfiguration + 0x80, // bmAttributes + 50, // bMaxPower + + // Interface 0, Alternate Setting 0, Audio Control + INTERFACE_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR, // bDescriptorType + 0x00, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x00, // bNumEndpoints + AUDIO_CLASS, // bInterfaceClass + SUBCLASS_AUDIOCONTROL, // bInterfaceSubClass + 0x00, // bInterfaceProtocol + 0x00, // iInterface + + + // Audio Control Interface + CONTROL_INTERFACE_DESCRIPTOR_LENGTH + 1,// bLength + INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType + CONTROL_HEADER, // bDescriptorSubtype + LSB(0x0100), // bcdADC (LSB) + MSB(0x0100), // bcdADC (MSB) + LSB(TOTAL_CONTROL_INTF_LENGTH), // wTotalLength + MSB(TOTAL_CONTROL_INTF_LENGTH), // wTotalLength + 0x02, // bInCollection + 0x01, // baInterfaceNr + 0x02, // baInterfaceNr + + // Audio Input Terminal (Speaker) + INPUT_TERMINAL_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType + CONTROL_INPUT_TERMINAL, // bDescriptorSubtype + 0x01, // bTerminalID + LSB(TERMINAL_USB_STREAMING), // wTerminalType + MSB(TERMINAL_USB_STREAMING), // wTerminalType + 0x00, // bAssocTerminal + channel_nb_in, // bNrChannels + LSB(channel_config_in), // wChannelConfig + MSB(channel_config_in), // wChannelConfig + 0x00, // iChannelNames + 0x00, // iTerminal + + // Audio Feature Unit (Speaker) + FEATURE_UNIT_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType + CONTROL_FEATURE_UNIT, // bDescriptorSubtype + 0x02, // bUnitID + 0x01, // bSourceID + 0x01, // bControlSize + CONTROL_MUTE | + CONTROL_VOLUME, // bmaControls(0) + 0x00, // bmaControls(1) + 0x00, // iTerminal + + // Audio Output Terminal (Speaker) + OUTPUT_TERMINAL_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType + CONTROL_OUTPUT_TERMINAL, // bDescriptorSubtype + 0x03, // bTerminalID + LSB(TERMINAL_SPEAKER), // wTerminalType + MSB(TERMINAL_SPEAKER), // wTerminalType + 0x00, // bAssocTerminal + 0x02, // bSourceID + 0x00, // iTerminal + + + // Audio Input Terminal (Microphone) + INPUT_TERMINAL_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType + CONTROL_INPUT_TERMINAL, // bDescriptorSubtype + 0x04, // bTerminalID + LSB(TERMINAL_MICROPHONE), // wTerminalType + MSB(TERMINAL_MICROPHONE), // wTerminalType + 0x00, // bAssocTerminal + channel_nb_out, // bNrChannels + LSB(channel_config_out), // wChannelConfig + MSB(channel_config_out), // wChannelConfig + 0x00, // iChannelNames + 0x00, // iTerminal + + // Audio Output Terminal (Microphone) + OUTPUT_TERMINAL_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType + CONTROL_OUTPUT_TERMINAL, // bDescriptorSubtype + 0x05, // bTerminalID + LSB(TERMINAL_USB_STREAMING), // wTerminalType + MSB(TERMINAL_USB_STREAMING), // wTerminalType + 0x00, // bAssocTerminal + 0x04, // bSourceID + 0x00, // iTerminal + + + + + + + // Interface 1, Alternate Setting 0, Audio Streaming - Zero Bandwith + INTERFACE_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR, // bDescriptorType + 0x01, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x00, // bNumEndpoints + AUDIO_CLASS, // bInterfaceClass + SUBCLASS_AUDIOSTREAMING, // bInterfaceSubClass + 0x00, // bInterfaceProtocol + 0x00, // iInterface + + // Interface 1, Alternate Setting 1, Audio Streaming - Operational + INTERFACE_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR, // bDescriptorType + 0x01, // bInterfaceNumber + 0x01, // bAlternateSetting + 0x01, // bNumEndpoints + AUDIO_CLASS, // bInterfaceClass + SUBCLASS_AUDIOSTREAMING, // bInterfaceSubClass + 0x00, // bInterfaceProtocol + 0x00, // iInterface + + // Audio Streaming Interface + STREAMING_INTERFACE_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType + STREAMING_GENERAL, // bDescriptorSubtype + 0x01, // bTerminalLink + 0x00, // bDelay + LSB(FORMAT_PCM), // wFormatTag + MSB(FORMAT_PCM), // wFormatTag + + // Audio Type I Format + FORMAT_TYPE_I_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType + STREAMING_FORMAT_TYPE, // bDescriptorSubtype + FORMAT_TYPE_I, // bFormatType + channel_nb_in, // bNrChannels + 0x02, // bSubFrameSize + 16, // bBitResolution + 0x01, // bSamFreqType + LSB(FREQ_IN), // tSamFreq + (FREQ_IN >> 8) & 0xff, // tSamFreq + (FREQ_IN >> 16) & 0xff, // tSamFreq + + // Endpoint - Standard Descriptor + ENDPOINT_DESCRIPTOR_LENGTH + 2, // bLength + ENDPOINT_DESCRIPTOR, // bDescriptorType + PHY_TO_DESC(EPISO_OUT), // bEndpointAddress + E_ISOCHRONOUS, // bmAttributes + LSB(PACKET_SIZE_ISO_IN), // wMaxPacketSize + MSB(PACKET_SIZE_ISO_IN), // wMaxPacketSize + 0x01, // bInterval + 0x00, // bRefresh + 0x00, // bSynchAddress + + // Endpoint - Audio Streaming + STREAMING_ENDPOINT_DESCRIPTOR_LENGTH, // bLength + ENDPOINT_DESCRIPTOR_TYPE, // bDescriptorType + ENDPOINT_GENERAL, // bDescriptor + 0x00, // bmAttributes + 0x00, // bLockDelayUnits + LSB(0x0000), // wLockDelay + MSB(0x0000), // wLockDelay + + + + + + + + // Interface 1, Alternate Setting 0, Audio Streaming - Zero Bandwith + INTERFACE_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR, // bDescriptorType + 0x02, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x00, // bNumEndpoints + AUDIO_CLASS, // bInterfaceClass + SUBCLASS_AUDIOSTREAMING, // bInterfaceSubClass + 0x00, // bInterfaceProtocol + 0x00, // iInterface + + // Interface 1, Alternate Setting 1, Audio Streaming - Operational + INTERFACE_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR, // bDescriptorType + 0x02, // bInterfaceNumber + 0x01, // bAlternateSetting + 0x01, // bNumEndpoints + AUDIO_CLASS, // bInterfaceClass + SUBCLASS_AUDIOSTREAMING, // bInterfaceSubClass + 0x00, // bInterfaceProtocol + 0x00, // iInterface + + // Audio Streaming Interface + STREAMING_INTERFACE_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType + SUBCLASS_AUDIOCONTROL, // bDescriptorSubtype + 0x05, // bTerminalLink (output terminal microphone) + 0x01, // bDelay + 0x01, // wFormatTag + 0x00, // wFormatTag + + // Audio Type I Format + FORMAT_TYPE_I_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR_TYPE, // bDescriptorType + SUBCLASS_AUDIOSTREAMING, // bDescriptorSubtype + FORMAT_TYPE_I, // bFormatType + channel_nb_out, // bNrChannels + 0x02, // bSubFrameSize + 0x10, // bBitResolution + 0x01, // bSamFreqType + LSB(FREQ_OUT), // tSamFreq + (FREQ_OUT >> 8) & 0xff, // tSamFreq + (FREQ_OUT >> 16) & 0xff, // tSamFreq + + // Endpoint - Standard Descriptor + ENDPOINT_DESCRIPTOR_LENGTH + 2, // bLength + ENDPOINT_DESCRIPTOR, // bDescriptorType + PHY_TO_DESC(EPISO_IN), // bEndpointAddress + E_ISOCHRONOUS, // bmAttributes + LSB(PACKET_SIZE_ISO_OUT), // wMaxPacketSize + MSB(PACKET_SIZE_ISO_OUT), // wMaxPacketSize + 0x01, // bInterval + 0x00, // bRefresh + 0x00, // bSynchAddress + + // Endpoint - Audio Streaming + STREAMING_ENDPOINT_DESCRIPTOR_LENGTH, // bLength + ENDPOINT_DESCRIPTOR_TYPE, // bDescriptorType + ENDPOINT_GENERAL, // bDescriptor + 0x00, // bmAttributes + 0x00, // bLockDelayUnits + LSB(0x0000), // wLockDelay + MSB(0x0000), // wLockDelay + + // Terminator + 0 // bLength + }; + return configDescriptor; +} + +uint8_t * USBAudio::stringIinterfaceDesc() { + static uint8_t stringIinterfaceDescriptor[] = { + 0x0c, //bLength + STRING_DESCRIPTOR, //bDescriptorType 0x03 + 'A',0,'u',0,'d',0,'i',0,'o',0 //bString iInterface - Audio + }; + return stringIinterfaceDescriptor; +} + +uint8_t * USBAudio::stringIproductDesc() { + static uint8_t stringIproductDescriptor[] = { + 0x16, //bLength + STRING_DESCRIPTOR, //bDescriptorType 0x03 + 'M',0,'b',0,'e',0,'d',0,' ',0,'A',0,'u',0,'d',0,'i',0,'o',0 //bString iProduct - Mbed Audio + }; + return stringIproductDescriptor; +} diff --git a/libraries/USBDevice/USBAudio/USBAudio.h b/libraries/USBDevice/USBAudio/USBAudio.h new file mode 100644 index 0000000000..a1057ebfa2 --- /dev/null +++ b/libraries/USBDevice/USBAudio/USBAudio.h @@ -0,0 +1,287 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USBAudio_H +#define USBAudio_H + +/* These headers are included for child class. */ +#include "USBEndpoints.h" +#include "USBDescriptor.h" +#include "USBDevice_Types.h" + +#include "USBDevice.h" + + +/** +* USBAudio example +* +* @code +* #include "mbed.h" +* #include "USBAudio.h" +* +* Serial pc(USBTX, USBRX); +* +* // frequency: 48 kHz +* #define FREQ 48000 +* +* // 1 channel: mono +* #define NB_CHA 1 +* +* // length of an audio packet: each ms, we receive 48 * 16bits ->48 * 2 bytes. as there is one channel, the length will be 48 * 2 * 1 +* #define AUDIO_LENGTH_PACKET 48 * 2 * 1 +* +* // USBAudio +* USBAudio audio(FREQ, NB_CHA); +* +* int main() { +* int16_t buf[AUDIO_LENGTH_PACKET/2]; +* +* while (1) { +* // read an audio packet +* audio.read((uint8_t *)buf); +* +* +* // print packet received +* pc.printf("recv: "); +* for(int i = 0; i < AUDIO_LENGTH_PACKET/2; i++) { +* pc.printf("%d ", buf[i]); +* } +* pc.printf("\r\n"); +* } +* } +* @endcode +*/ +class USBAudio: public USBDevice { +public: + + /** + * Constructor + * + * @param frequency_in frequency in Hz (default: 48000) + * @param channel_nb_in channel number (1 or 2) (default: 1) + * @param frequency_out frequency in Hz (default: 8000) + * @param channel_nb_out_in channel number (1 or 2) (default: 1) + * @param vendor_id Your vendor_id + * @param product_id Your product_id + * @param product_release Your preoduct_release + */ + USBAudio(uint32_t frequency_in = 48000, uint8_t channel_nb_in = 1, uint32_t frequency_out = 8000, uint8_t channel_nb_out = 1, uint16_t vendor_id = 0x7bb8, uint16_t product_id = 0x1111, uint16_t product_release = 0x0100); + + /** + * Get current volume between 0.0 and 1.0 + * + * @returns volume + */ + float getVolume(); + + /** + * Read an audio packet. During a frame, only a single reading (you can't write and read an audio packet during the same frame)can be done using this method. Warning: Blocking + * + * @param buf pointer on a buffer which will be filled with an audio packet + * + * @returns true if successfull + */ + bool read(uint8_t * buf); + + /** + * Try to read an audio packet. During a frame, only a single reading (you can't write and read an audio packet during the same frame)can be done using this method. Warning: Non Blocking + * + * @param buf pointer on a buffer which will be filled if an audio packet is available + * + * @returns true if successfull + */ + bool readNB(uint8_t * buf); + + /** + * Write an audio packet. During a frame, only a single writing (you can't write and read an audio packet during the same frame)can be done using this method. + * + * @param buf pointer on the audio packet which will be sent + * @returns true if successful + */ + bool write(uint8_t * buf); + + /** + * Write and read an audio packet at the same time (on the same frame) + * + * @param buf_read pointer on a buffer which will be filled with an audio packet + * @param buf_write pointer on the audio packet which will be sent + * @returns true if successful + */ + bool readWrite(uint8_t * buf_read, uint8_t * buf_write); + + + /** attach a handler to update the volume + * + * @param function Function to attach + * + */ + void attach(void(*fptr)(void)) { + updateVol.attach(fptr); + } + + /** Attach a nonstatic void/void member function to update the volume + * + * @param tptr Object pointer + * @param mptr Member function pointer + * + */ + template + void attach(T *tptr, void(T::*mptr)(void)) { + updateVol.attach(tptr, mptr); + } + + +protected: + + /* + * Called by USBDevice layer. Set configuration of the device. + * For instance, you can add all endpoints that you need on this function. + * + * @param configuration Number of the configuration + * @returns true if class handles this request + */ + virtual bool USBCallback_setConfiguration(uint8_t configuration); + + /* + * Called by USBDevice on Endpoint0 request. Warning: Called in ISR context + * This is used to handle extensions to standard requests + * and class specific requests + * + * @returns true if class handles this request + */ + virtual bool USBCallback_request(); + + /* + * Get string product descriptor + * + * @returns pointer to the string product descriptor + */ + virtual uint8_t * stringIproductDesc(); + + /* + * Get string interface descriptor + * + * @returns pointer to the string interface descriptor + */ + virtual uint8_t * stringIinterfaceDesc(); + + /* + * Get configuration descriptor + * + * @returns pointer to the configuration descriptor + */ + virtual uint8_t * configurationDesc(); + + /* + * Called by USBDevice layer. Set interface/alternate of the device. + * + * @param interface Number of the interface to be configured + * @param alternate Number of the alternate to be configured + * @returns true if class handles this request + */ + virtual bool USBCallback_setInterface(uint16_t interface, uint8_t alternate); + + /* + * Called by USBDevice on Endpoint0 request completion + * if the 'notify' flag has been set to true. Warning: Called in ISR context + * + * In this case it is used to indicate that a HID report has + * been received from the host on endpoint 0 + * + * @param buf buffer received on endpoint 0 + * @param length length of this buffer + */ + virtual void USBCallback_requestCompleted(uint8_t * buf, uint32_t length); + + /* + * Callback called on each Start of Frame event + */ + virtual void SOF(int frameNumber); + + /* + * Callback called when a packet is received + */ + virtual bool EP3_OUT_callback(); + + /* + * Callback called when a packet has been sent + */ + virtual bool EP3_IN_callback(); + +private: + + // stream available ? + volatile bool available; + + // interrupt OUT has been received + volatile bool interruptOUT; + + // interrupt IN has been received + volatile bool interruptIN; + + // audio packet has been written + volatile bool writeIN; + + // FREQ + uint32_t FREQ_OUT; + uint32_t FREQ_IN; + + // size of the maximum packet for the isochronous endpoint + uint32_t PACKET_SIZE_ISO_IN; + uint32_t PACKET_SIZE_ISO_OUT; + + // mono, stereo,... + uint8_t channel_nb_in; + uint8_t channel_nb_out; + + // channel config: master, left, right + uint8_t channel_config_in; + uint8_t channel_config_out; + + // mute state + uint8_t mute; + + // Volume Current Value + uint16_t volCur; + + // Volume Minimum Value + uint16_t volMin; + + // Volume Maximum Value + uint16_t volMax; + + // Volume Resolution + uint16_t volRes; + + // Buffer containing one audio packet (to be read) + volatile uint8_t * buf_stream_in; + + // Buffer containing one audio packet (to be written) + volatile uint8_t * buf_stream_out; + + // callback to update volume + FunctionPointer updateVol; + + // boolean showing that the SOF handler has been called. Useful for readNB. + volatile bool SOF_handler; + + volatile float volume; + +}; + +#endif diff --git a/libraries/USBDevice/USBAudio/USBAudio_Types.h b/libraries/USBDevice/USBAudio/USBAudio_Types.h new file mode 100644 index 0000000000..1151a72009 --- /dev/null +++ b/libraries/USBDevice/USBAudio/USBAudio_Types.h @@ -0,0 +1,97 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USBAUDIO_TYPES_H +#define USBAUDIO_TYPES_H + + +#define DEFAULT_CONFIGURATION (1) + +// Audio Request Codes +#define REQUEST_SET_CUR 0x01 +#define REQUEST_GET_CUR 0x81 +#define REQUEST_SET_MIN 0x02 +#define REQUEST_GET_MIN 0x82 +#define REQUEST_SET_MAX 0x03 +#define REQUEST_GET_MAX 0x83 +#define REQUEST_SET_RES 0x04 +#define REQUEST_GET_RES 0x84 + +#define MUTE_CONTROL 0x01 +#define VOLUME_CONTROL 0x02 + + +// Audio Descriptor Sizes +#define CONTROL_INTERFACE_DESCRIPTOR_LENGTH 0x09 +#define STREAMING_INTERFACE_DESCRIPTOR_LENGTH 0x07 +#define INPUT_TERMINAL_DESCRIPTOR_LENGTH 0x0C +#define OUTPUT_TERMINAL_DESCRIPTOR_LENGTH 0x09 +#define FEATURE_UNIT_DESCRIPTOR_LENGTH 0x09 +#define STREAMING_ENDPOINT_DESCRIPTOR_LENGTH 0x07 + +// Audio Format Type Descriptor Sizes +#define FORMAT_TYPE_I_DESCRIPTOR_LENGTH 0x0b + +#define AUDIO_CLASS 0x01 +#define SUBCLASS_AUDIOCONTROL 0x01 +#define SUBCLASS_AUDIOSTREAMING 0x02 + +// Audio Descriptor Types +#define INTERFACE_DESCRIPTOR_TYPE 0x24 +#define ENDPOINT_DESCRIPTOR_TYPE 0x25 + +// Audio Control Interface Descriptor Subtypes +#define CONTROL_HEADER 0x01 +#define CONTROL_INPUT_TERMINAL 0x02 +#define CONTROL_OUTPUT_TERMINAL 0x03 +#define CONTROL_FEATURE_UNIT 0x06 + +// USB Terminal Types +#define TERMINAL_USB_STREAMING 0x0101 + +// Predefined Audio Channel Configuration Bits +// Mono +#define CHANNEL_M 0x0000 +#define CHANNEL_L 0x0001 /* Left Front */ +#define CHANNEL_R 0x0002 /* Right Front */ + +// Feature Unit Control Bits +#define CONTROL_MUTE 0x0001 +#define CONTROL_VOLUME 0x0002 + +// Input Terminal Types +#define TERMINAL_MICROPHONE 0x0201 + +// Output Terminal Types +#define TERMINAL_SPEAKER 0x0301 +#define TERMINAL_HEADPHONES 0x0302 + +// Audio Streaming Interface Descriptor Subtypes +#define STREAMING_GENERAL 0x01 +#define STREAMING_FORMAT_TYPE 0x02 + +// Audio Data Format Type I Codes +#define FORMAT_PCM 0x0001 + +// Audio Format Types +#define FORMAT_TYPE_I 0x01 + +// Audio Endpoint Descriptor Subtypes +#define ENDPOINT_GENERAL 0x01 + +#endif diff --git a/libraries/USBDevice/USBDevice/USBDescriptor.h b/libraries/USBDevice/USBDevice/USBDescriptor.h new file mode 100644 index 0000000000..0793e9cac9 --- /dev/null +++ b/libraries/USBDevice/USBDevice/USBDescriptor.h @@ -0,0 +1,74 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +/* Standard descriptor types */ +#define DEVICE_DESCRIPTOR (1) +#define CONFIGURATION_DESCRIPTOR (2) +#define STRING_DESCRIPTOR (3) +#define INTERFACE_DESCRIPTOR (4) +#define ENDPOINT_DESCRIPTOR (5) +#define QUALIFIER_DESCRIPTOR (6) + +/* Standard descriptor lengths */ +#define DEVICE_DESCRIPTOR_LENGTH (0x12) +#define CONFIGURATION_DESCRIPTOR_LENGTH (0x09) +#define INTERFACE_DESCRIPTOR_LENGTH (0x09) +#define ENDPOINT_DESCRIPTOR_LENGTH (0x07) + + +/*string offset*/ +#define STRING_OFFSET_LANGID (0) +#define STRING_OFFSET_IMANUFACTURER (1) +#define STRING_OFFSET_IPRODUCT (2) +#define STRING_OFFSET_ISERIAL (3) +#define STRING_OFFSET_ICONFIGURATION (4) +#define STRING_OFFSET_IINTERFACE (5) + +/* USB Specification Release Number */ +#define USB_VERSION_2_0 (0x0200) + +/* Least/Most significant byte of short integer */ +#define LSB(n) ((n)&0xff) +#define MSB(n) (((n)&0xff00)>>8) + +/* Convert physical endpoint number to descriptor endpoint number */ +#define PHY_TO_DESC(endpoint) (((endpoint)>>1) | (((endpoint) & 1) ? 0x80:0)) + +/* bmAttributes in configuration descriptor */ +/* C_RESERVED must always be set */ +#define C_RESERVED (1U<<7) +#define C_SELF_POWERED (1U<<6) +#define C_REMOTE_WAKEUP (1U<<5) + +/* bMaxPower in configuration descriptor */ +#define C_POWER(mA) ((mA)/2) + +/* bmAttributes in endpoint descriptor */ +#define E_CONTROL (0x00) +#define E_ISOCHRONOUS (0x01) +#define E_BULK (0x02) +#define E_INTERRUPT (0x03) + +/* For isochronous endpoints only: */ +#define E_NO_SYNCHRONIZATION (0x00) +#define E_ASYNCHRONOUS (0x04) +#define E_ADAPTIVE (0x08) +#define E_SYNCHRONOUS (0x0C) +#define E_DATA (0x00) +#define E_FEEDBACK (0x10) +#define E_IMPLICIT_FEEDBACK (0x20) diff --git a/libraries/USBDevice/USBDevice/USBDevice.cpp b/libraries/USBDevice/USBDevice/USBDevice.cpp new file mode 100644 index 0000000000..3ef7457fe0 --- /dev/null +++ b/libraries/USBDevice/USBDevice/USBDevice.cpp @@ -0,0 +1,977 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include "stdint.h" + +#include "USBEndpoints.h" +#include "USBDevice.h" +#include "USBDescriptor.h" + +//#define DEBUG + +/* Device status */ +#define DEVICE_STATUS_SELF_POWERED (1U<<0) +#define DEVICE_STATUS_REMOTE_WAKEUP (1U<<1) + +/* Endpoint status */ +#define ENDPOINT_STATUS_HALT (1U<<0) + +/* Standard feature selectors */ +#define DEVICE_REMOTE_WAKEUP (1) +#define ENDPOINT_HALT (0) + +/* Macro to convert wIndex endpoint number to physical endpoint number */ +#define WINDEX_TO_PHYSICAL(endpoint) (((endpoint & 0x0f) << 1) + \ + ((endpoint & 0x80) ? 1 : 0)) + + +bool USBDevice::requestGetDescriptor(void) +{ + bool success = false; +#ifdef DEBUG + printf("get descr: type: %d\r\n", DESCRIPTOR_TYPE(transfer.setup.wValue)); +#endif + switch (DESCRIPTOR_TYPE(transfer.setup.wValue)) + { + case DEVICE_DESCRIPTOR: + if (deviceDesc() != NULL) + { + if ((deviceDesc()[0] == DEVICE_DESCRIPTOR_LENGTH) \ + && (deviceDesc()[1] == DEVICE_DESCRIPTOR)) + { +#ifdef DEBUG + printf("device descr\r\n"); +#endif + transfer.remaining = DEVICE_DESCRIPTOR_LENGTH; + transfer.ptr = deviceDesc(); + transfer.direction = DEVICE_TO_HOST; + success = true; + } + } + break; + case CONFIGURATION_DESCRIPTOR: + if (configurationDesc() != NULL) + { + if ((configurationDesc()[0] == CONFIGURATION_DESCRIPTOR_LENGTH) \ + && (configurationDesc()[1] == CONFIGURATION_DESCRIPTOR)) + { +#ifdef DEBUG + printf("conf descr request\r\n"); +#endif + /* Get wTotalLength */ + transfer.remaining = configurationDesc()[2] \ + | (configurationDesc()[3] << 8); + + transfer.ptr = configurationDesc(); + transfer.direction = DEVICE_TO_HOST; + success = true; + } + } + break; + case STRING_DESCRIPTOR: +#ifdef DEBUG + printf("str descriptor\r\n"); +#endif + switch (DESCRIPTOR_INDEX(transfer.setup.wValue)) + { + case STRING_OFFSET_LANGID: +#ifdef DEBUG + printf("1\r\n"); +#endif + transfer.remaining = stringLangidDesc()[0]; + transfer.ptr = stringLangidDesc(); + transfer.direction = DEVICE_TO_HOST; + success = true; + break; + case STRING_OFFSET_IMANUFACTURER: +#ifdef DEBUG + printf("2\r\n"); +#endif + transfer.remaining = stringImanufacturerDesc()[0]; + transfer.ptr = stringImanufacturerDesc(); + transfer.direction = DEVICE_TO_HOST; + success = true; + break; + case STRING_OFFSET_IPRODUCT: +#ifdef DEBUG + printf("3\r\n"); +#endif + transfer.remaining = stringIproductDesc()[0]; + transfer.ptr = stringIproductDesc(); + transfer.direction = DEVICE_TO_HOST; + success = true; + break; + case STRING_OFFSET_ISERIAL: +#ifdef DEBUG + printf("4\r\n"); +#endif + transfer.remaining = stringIserialDesc()[0]; + transfer.ptr = stringIserialDesc(); + transfer.direction = DEVICE_TO_HOST; + success = true; + break; + case STRING_OFFSET_ICONFIGURATION: +#ifdef DEBUG + printf("5\r\n"); +#endif + transfer.remaining = stringIConfigurationDesc()[0]; + transfer.ptr = stringIConfigurationDesc(); + transfer.direction = DEVICE_TO_HOST; + success = true; + break; + case STRING_OFFSET_IINTERFACE: +#ifdef DEBUG + printf("6\r\n"); +#endif + transfer.remaining = stringIinterfaceDesc()[0]; + transfer.ptr = stringIinterfaceDesc(); + transfer.direction = DEVICE_TO_HOST; + success = true; + break; + } + break; + case INTERFACE_DESCRIPTOR: +#ifdef DEBUG + printf("interface descr\r\n"); +#endif + case ENDPOINT_DESCRIPTOR: +#ifdef DEBUG + printf("endpoint descr\r\n"); +#endif + /* TODO: Support is optional, not implemented here */ + break; + default: +#ifdef DEBUG + printf("ERROR\r\n"); +#endif + break; + } + + return success; +} + +void USBDevice::decodeSetupPacket(uint8_t *data, SETUP_PACKET *packet) +{ + /* Fill in the elements of a SETUP_PACKET structure from raw data */ + packet->bmRequestType.dataTransferDirection = (data[0] & 0x80) >> 7; + packet->bmRequestType.Type = (data[0] & 0x60) >> 5; + packet->bmRequestType.Recipient = data[0] & 0x1f; + packet->bRequest = data[1]; + packet->wValue = (data[2] | (uint16_t)data[3] << 8); + packet->wIndex = (data[4] | (uint16_t)data[5] << 8); + packet->wLength = (data[6] | (uint16_t)data[7] << 8); +} + + +bool USBDevice::controlOut(void) +{ + /* Control transfer data OUT stage */ + uint8_t buffer[MAX_PACKET_SIZE_EP0]; + uint32_t packetSize; + + /* Check we should be transferring data OUT */ + if (transfer.direction != HOST_TO_DEVICE) + { + return false; + } + + /* Read from endpoint */ + packetSize = EP0getReadResult(buffer); + + /* Check if transfer size is valid */ + if (packetSize > transfer.remaining) + { + /* Too big */ + return false; + } + + /* Update transfer */ + transfer.ptr += packetSize; + transfer.remaining -= packetSize; + + /* Check if transfer has completed */ + if (transfer.remaining == 0) + { + /* Transfer completed */ + if (transfer.notify) + { + /* Notify class layer. */ + USBCallback_requestCompleted(buffer, packetSize); + transfer.notify = false; + } + /* Status stage */ + EP0write(NULL, 0); + } + else + { + EP0read(); + } + + return true; +} + +bool USBDevice::controlIn(void) +{ + /* Control transfer data IN stage */ + uint32_t packetSize; + + /* Check if transfer has completed (status stage transactions */ + /* also have transfer.remaining == 0) */ + if (transfer.remaining == 0) + { + if (transfer.zlp) + { + /* Send zero length packet */ + EP0write(NULL, 0); + transfer.zlp = false; + } + + /* Transfer completed */ + if (transfer.notify) + { + /* Notify class layer. */ + USBCallback_requestCompleted(NULL, 0); + transfer.notify = false; + } + + EP0read(); + EP0readStage(); + + /* Completed */ + return true; + } + + /* Check we should be transferring data IN */ + if (transfer.direction != DEVICE_TO_HOST) + { + return false; + } + + packetSize = transfer.remaining; + + if (packetSize > MAX_PACKET_SIZE_EP0) + { + packetSize = MAX_PACKET_SIZE_EP0; + } + + /* Write to endpoint */ + EP0write(transfer.ptr, packetSize); + + /* Update transfer */ + transfer.ptr += packetSize; + transfer.remaining -= packetSize; + + return true; +} + +bool USBDevice::requestSetAddress(void) +{ + /* Set the device address */ + setAddress(transfer.setup.wValue); + + if (transfer.setup.wValue == 0) + { + device.state = DEFAULT; + } + else + { + device.state = ADDRESS; + } + + return true; +} + +bool USBDevice::requestSetConfiguration(void) +{ + + device.configuration = transfer.setup.wValue; + /* Set the device configuration */ + if (device.configuration == 0) + { + /* Not configured */ + unconfigureDevice(); + device.state = ADDRESS; + } + else + { + if (USBCallback_setConfiguration(device.configuration)) + { + /* Valid configuration */ + configureDevice(); + device.state = CONFIGURED; + } + else + { + return false; + } + } + + return true; +} + +bool USBDevice::requestGetConfiguration(void) +{ + /* Send the device configuration */ + transfer.ptr = &device.configuration; + transfer.remaining = sizeof(device.configuration); + transfer.direction = DEVICE_TO_HOST; + return true; +} + +bool USBDevice::requestGetInterface(void) +{ + /* Return the selected alternate setting for an interface */ + + if (device.state != CONFIGURED) + { + return false; + } + + /* Send the alternate setting */ + transfer.setup.wIndex = currentInterface; + transfer.ptr = ¤tAlternate; + transfer.remaining = sizeof(currentAlternate); + transfer.direction = DEVICE_TO_HOST; + return true; +} + +bool USBDevice::requestSetInterface(void) +{ + bool success = false; + if(USBCallback_setInterface(transfer.setup.wIndex, transfer.setup.wValue)) + { + success = true; + currentInterface = transfer.setup.wIndex; + currentAlternate = transfer.setup.wValue; + } + return success; +} + +bool USBDevice::requestSetFeature() +{ + bool success = false; + + if (device.state != CONFIGURED) + { + /* Endpoint or interface must be zero */ + if (transfer.setup.wIndex != 0) + { + return false; + } + } + + switch (transfer.setup.bmRequestType.Recipient) + { + case DEVICE_RECIPIENT: + /* TODO: Remote wakeup feature not supported */ + break; + case ENDPOINT_RECIPIENT: + if (transfer.setup.wValue == ENDPOINT_HALT) + { + /* TODO: We should check that the endpoint number is valid */ + stallEndpoint( + WINDEX_TO_PHYSICAL(transfer.setup.wIndex)); + success = true; + } + break; + default: + break; + } + + return success; +} + +bool USBDevice::requestClearFeature() +{ + bool success = false; + + if (device.state != CONFIGURED) + { + /* Endpoint or interface must be zero */ + if (transfer.setup.wIndex != 0) + { + return false; + } + } + + switch (transfer.setup.bmRequestType.Recipient) + { + case DEVICE_RECIPIENT: + /* TODO: Remote wakeup feature not supported */ + break; + case ENDPOINT_RECIPIENT: + /* TODO: We should check that the endpoint number is valid */ + if (transfer.setup.wValue == ENDPOINT_HALT) + { + unstallEndpoint( WINDEX_TO_PHYSICAL(transfer.setup.wIndex)); + success = true; + } + break; + default: + break; + } + + return success; +} + +bool USBDevice::requestGetStatus(void) +{ + static uint16_t status; + bool success = false; + + if (device.state != CONFIGURED) + { + /* Endpoint or interface must be zero */ + if (transfer.setup.wIndex != 0) + { + return false; + } + } + + switch (transfer.setup.bmRequestType.Recipient) + { + case DEVICE_RECIPIENT: + /* TODO: Currently only supports self powered devices */ + status = DEVICE_STATUS_SELF_POWERED; + success = true; + break; + case INTERFACE_RECIPIENT: + status = 0; + success = true; + break; + case ENDPOINT_RECIPIENT: + /* TODO: We should check that the endpoint number is valid */ + if (getEndpointStallState( + WINDEX_TO_PHYSICAL(transfer.setup.wIndex))) + { + status = ENDPOINT_STATUS_HALT; + } + else + { + status = 0; + } + success = true; + break; + default: + break; + } + + if (success) + { + /* Send the status */ + transfer.ptr = (uint8_t *)&status; /* Assumes little endian */ + transfer.remaining = sizeof(status); + transfer.direction = DEVICE_TO_HOST; + } + + return success; +} + +bool USBDevice::requestSetup(void) +{ + bool success = false; + + /* Process standard requests */ + if ((transfer.setup.bmRequestType.Type == STANDARD_TYPE)) + { + switch (transfer.setup.bRequest) + { + case GET_STATUS: + success = requestGetStatus(); + break; + case CLEAR_FEATURE: + success = requestClearFeature(); + break; + case SET_FEATURE: + success = requestSetFeature(); + break; + case SET_ADDRESS: + success = requestSetAddress(); + break; + case GET_DESCRIPTOR: + success = requestGetDescriptor(); + break; + case SET_DESCRIPTOR: + /* TODO: Support is optional, not implemented here */ + success = false; + break; + case GET_CONFIGURATION: + success = requestGetConfiguration(); + break; + case SET_CONFIGURATION: + success = requestSetConfiguration(); + break; + case GET_INTERFACE: + success = requestGetInterface(); + break; + case SET_INTERFACE: + success = requestSetInterface(); + break; + default: + break; + } + } + + return success; +} + +bool USBDevice::controlSetup(void) +{ + bool success = false; + + /* Control transfer setup stage */ + uint8_t buffer[MAX_PACKET_SIZE_EP0]; + + EP0setup(buffer); + + /* Initialise control transfer state */ + decodeSetupPacket(buffer, &transfer.setup); + transfer.ptr = NULL; + transfer.remaining = 0; + transfer.direction = 0; + transfer.zlp = false; + transfer.notify = false; + +#ifdef DEBUG + printf("dataTransferDirection: %d\r\nType: %d\r\nRecipient: %d\r\nbRequest: %d\r\nwValue: %d\r\nwIndex: %d\r\nwLength: %d\r\n",transfer.setup.bmRequestType.dataTransferDirection, + transfer.setup.bmRequestType.Type, + transfer.setup.bmRequestType.Recipient, + transfer.setup.bRequest, + transfer.setup.wValue, + transfer.setup.wIndex, + transfer.setup.wLength); +#endif + + /* Class / vendor specific */ + success = USBCallback_request(); + + if (!success) + { + /* Standard requests */ + if (!requestSetup()) + { +#ifdef DEBUG + printf("fail!!!!\r\n"); +#endif + return false; + } + } + + /* Check transfer size and direction */ + if (transfer.setup.wLength>0) + { + if (transfer.setup.bmRequestType.dataTransferDirection \ + == DEVICE_TO_HOST) + { + /* IN data stage is required */ + if (transfer.direction != DEVICE_TO_HOST) + { + return false; + } + + /* Transfer must be less than or equal to the size */ + /* requested by the host */ + if (transfer.remaining > transfer.setup.wLength) + { + transfer.remaining = transfer.setup.wLength; + } + } + else + { + + /* OUT data stage is required */ + if (transfer.direction != HOST_TO_DEVICE) + { + return false; + } + + /* Transfer must be equal to the size requested by the host */ + if (transfer.remaining != transfer.setup.wLength) + { + return false; + } + } + } + else + { + /* No data stage; transfer size must be zero */ + if (transfer.remaining != 0) + { + return false; + } + } + + /* Data or status stage if applicable */ + if (transfer.setup.wLength>0) + { + if (transfer.setup.bmRequestType.dataTransferDirection \ + == DEVICE_TO_HOST) + { + /* Check if we'll need to send a zero length packet at */ + /* the end of this transfer */ + if (transfer.setup.wLength > transfer.remaining) + { + /* Device wishes to transfer less than host requested */ + if ((transfer.remaining % MAX_PACKET_SIZE_EP0) == 0) + { + /* Transfer is a multiple of EP0 max packet size */ + transfer.zlp = true; + } + } + + /* IN stage */ + controlIn(); + } + else + { + /* OUT stage */ + EP0read(); + } + } + else + { + /* Status stage */ + EP0write(NULL, 0); + } + + return true; +} + +void USBDevice::busReset(void) +{ + device.state = DEFAULT; + device.configuration = 0; + device.suspended = false; + + /* Call class / vendor specific busReset function */ + USBCallback_busReset(); +} + +void USBDevice::EP0setupCallback(void) +{ + /* Endpoint 0 setup event */ + if (!controlSetup()) + { + /* Protocol stall */ + EP0stall(); + } + + /* Return true if an OUT data stage is expected */ +} + +void USBDevice::EP0out(void) +{ + /* Endpoint 0 OUT data event */ + if (!controlOut()) + { + /* Protocol stall; this will stall both endpoints */ + EP0stall(); + } +} + +void USBDevice::EP0in(void) +{ +#ifdef DEBUG + printf("EP0IN\r\n"); +#endif + /* Endpoint 0 IN data event */ + if (!controlIn()) + { + /* Protocol stall; this will stall both endpoints */ + EP0stall(); + } +} + +bool USBDevice::configured(void) +{ + /* Returns true if device is in the CONFIGURED state */ + return (device.state == CONFIGURED); +} + +void USBDevice::connect(void) +{ + /* Connect device */ + USBHAL::connect(); + /* Block if not configured */ + while (!configured()); +} + +void USBDevice::disconnect(void) +{ + /* Disconnect device */ + USBHAL::disconnect(); +} + +CONTROL_TRANSFER * USBDevice::getTransferPtr(void) +{ + return &transfer; +} + +bool USBDevice::addEndpoint(uint8_t endpoint, uint32_t maxPacket) +{ + return realiseEndpoint(endpoint, maxPacket, 0); +} + +bool USBDevice::addRateFeedbackEndpoint(uint8_t endpoint, uint32_t maxPacket) +{ + /* For interrupt endpoints only */ + return realiseEndpoint(endpoint, maxPacket, RATE_FEEDBACK_MODE); +} + +uint8_t * USBDevice::findDescriptor(uint8_t descriptorType) +{ + /* Find a descriptor within the list of descriptors */ + /* following a configuration descriptor. */ + uint16_t wTotalLength; + uint8_t *ptr; + + if (configurationDesc() == NULL) + { + return NULL; + } + + /* Check this is a configuration descriptor */ + if ((configurationDesc()[0] != CONFIGURATION_DESCRIPTOR_LENGTH) \ + || (configurationDesc()[1] != CONFIGURATION_DESCRIPTOR)) + { + return NULL; + } + + wTotalLength = configurationDesc()[2] | (configurationDesc()[3] << 8); + + /* Check there are some more descriptors to follow */ + if (wTotalLength <= (CONFIGURATION_DESCRIPTOR_LENGTH+2)) + /* +2 is for bLength and bDescriptorType of next descriptor */ + { + return false; + } + + /* Start at first descriptor after the configuration descriptor */ + ptr = &(configurationDesc()[CONFIGURATION_DESCRIPTOR_LENGTH]); + + do { + if (ptr[1] /* bDescriptorType */ == descriptorType) + { + /* Found */ + return ptr; + } + + /* Skip to next descriptor */ + ptr += ptr[0]; /* bLength */ + } while (ptr < (configurationDesc() + wTotalLength)); + + /* Reached end of the descriptors - not found */ + return NULL; +} + + +void USBDevice::connectStateChanged(unsigned int connected) +{ +} + +void USBDevice::suspendStateChanged(unsigned int suspended) +{ +} + + +USBDevice::USBDevice(uint16_t vendor_id, uint16_t product_id, uint16_t product_release){ + VENDOR_ID = vendor_id; + PRODUCT_ID = product_id; + PRODUCT_RELEASE = product_release; + + /* Set initial device state */ + device.state = POWERED; + device.configuration = 0; + device.suspended = false; +}; + + +bool USBDevice::readStart(uint8_t endpoint, uint32_t maxSize) +{ + return endpointRead(endpoint, maxSize) == EP_PENDING; +} + + +bool USBDevice::write(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize) +{ + EP_STATUS result; + + if (size > maxSize) + { + return false; + } + + + if(!configured()) { + return false; + } + + /* Send report */ + result = endpointWrite(endpoint, buffer, size); + + if (result != EP_PENDING) + { + return false; + } + + /* Wait for completion */ + do { + result = endpointWriteResult(endpoint); + } while ((result == EP_PENDING) && configured()); + + return (result == EP_COMPLETED); +} + + +bool USBDevice::writeNB(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize) +{ + EP_STATUS result; + + if (size > maxSize) + { + return false; + } + + if(!configured()) { + return false; + } + + /* Send report */ + result = endpointWrite(endpoint, buffer, size); + + if (result != EP_PENDING) + { + return false; + } + + result = endpointWriteResult(endpoint); + + return (result == EP_COMPLETED); +} + + + +bool USBDevice::readEP(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize) +{ + EP_STATUS result; + + if(!configured()) { + return false; + } + + /* Wait for completion */ + do { + result = endpointReadResult(endpoint, buffer, size); + } while ((result == EP_PENDING) && configured()); + + return (result == EP_COMPLETED); +} + + +bool USBDevice::readEP_NB(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize) +{ + EP_STATUS result; + + if(!configured()) { + return false; + } + + result = endpointReadResult(endpoint, buffer, size); + + return (result == EP_COMPLETED); +} + + + +uint8_t * USBDevice::deviceDesc() { + static uint8_t deviceDescriptor[] = { + DEVICE_DESCRIPTOR_LENGTH, /* bLength */ + DEVICE_DESCRIPTOR, /* bDescriptorType */ + LSB(USB_VERSION_2_0), /* bcdUSB (LSB) */ + MSB(USB_VERSION_2_0), /* bcdUSB (MSB) */ + 0x00, /* bDeviceClass */ + 0x00, /* bDeviceSubClass */ + 0x00, /* bDeviceprotocol */ + MAX_PACKET_SIZE_EP0, /* bMaxPacketSize0 */ + LSB(VENDOR_ID), /* idVendor (LSB) */ + MSB(VENDOR_ID), /* idVendor (MSB) */ + LSB(PRODUCT_ID), /* idProduct (LSB) */ + MSB(PRODUCT_ID), /* idProduct (MSB) */ + LSB(PRODUCT_RELEASE), /* bcdDevice (LSB) */ + MSB(PRODUCT_RELEASE), /* bcdDevice (MSB) */ + STRING_OFFSET_IMANUFACTURER, /* iManufacturer */ + STRING_OFFSET_IPRODUCT, /* iProduct */ + STRING_OFFSET_ISERIAL, /* iSerialNumber */ + 0x01 /* bNumConfigurations */ + }; + return deviceDescriptor; +} + +uint8_t * USBDevice::stringLangidDesc() { + static uint8_t stringLangidDescriptor[] = { + 0x04, /*bLength*/ + STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ + 0x09,0x00, /*bString Lang ID - 0x009 - English*/ + }; + return stringLangidDescriptor; +} + +uint8_t * USBDevice::stringImanufacturerDesc() { + static uint8_t stringImanufacturerDescriptor[] = { + 0x12, /*bLength*/ + STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ + 'm',0,'b',0,'e',0,'d',0,'.',0,'o',0,'r',0,'g',0, /*bString iManufacturer - mbed.org*/ + }; + return stringImanufacturerDescriptor; +} + +uint8_t * USBDevice::stringIserialDesc() { + static uint8_t stringIserialDescriptor[] = { + 0x16, /*bLength*/ + STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ + '0',0,'1',0,'2',0,'3',0,'4',0,'5',0,'6',0,'7',0,'8',0,'9',0, /*bString iSerial - 0123456789*/ + }; + return stringIserialDescriptor; +} + +uint8_t * USBDevice::stringIConfigurationDesc() { + static uint8_t stringIconfigurationDescriptor[] = { + 0x06, /*bLength*/ + STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ + '0',0,'1',0, /*bString iConfiguration - 01*/ + }; + return stringIconfigurationDescriptor; +} + +uint8_t * USBDevice::stringIinterfaceDesc() { + static uint8_t stringIinterfaceDescriptor[] = { + 0x08, /*bLength*/ + STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ + 'U',0,'S',0,'B',0, /*bString iInterface - USB*/ + }; + return stringIinterfaceDescriptor; +} + +uint8_t * USBDevice::stringIproductDesc() { + static uint8_t stringIproductDescriptor[] = { + 0x16, /*bLength*/ + STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ + 'U',0,'S',0,'B',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 /*bString iProduct - USB DEVICE*/ + }; + return stringIproductDescriptor; +} diff --git a/libraries/USBDevice/USBDevice/USBDevice.h b/libraries/USBDevice/USBDevice/USBDevice.h new file mode 100644 index 0000000000..8457389df4 --- /dev/null +++ b/libraries/USBDevice/USBDevice/USBDevice.h @@ -0,0 +1,269 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USBDEVICE_H +#define USBDEVICE_H + +#include "mbed.h" +#include "USBDevice_Types.h" +#include "USBHAL.h" + +class USBDevice: public USBHAL +{ +public: + USBDevice(uint16_t vendor_id, uint16_t product_id, uint16_t product_release); + + /* + * Check if the device is configured + * + * @returns true if configured, false otherwise + */ + bool configured(void); + + /* + * Connect a device + */ + void connect(void); + + /* + * Disconnect a device + */ + void disconnect(void); + + /* + * Add an endpoint + * + * @param endpoint endpoint which will be added + * @param maxPacket Maximum size of a packet which can be sent for this endpoint + * @returns true if successful, false otherwise + */ + bool addEndpoint(uint8_t endpoint, uint32_t maxPacket); + + /* + * Start a reading on a certain endpoint. + * You can access the result of the reading by USBDevice_read + * + * @param endpoint endpoint which will be read + * @param maxSize the maximum length that can be read + * @return true if successful + */ + bool readStart(uint8_t endpoint, uint32_t maxSize); + + /* + * Read a certain endpoint. Before calling this function, USBUSBDevice_readStart + * must be called. + * + * Warning: blocking + * + * @param endpoint endpoint which will be read + * @param buffer buffer will be filled with the data received + * @param size the number of bytes read will be stored in *size + * @param maxSize the maximum length that can be read + * @returns true if successful + */ + bool readEP(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize); + + /* + * Read a certain endpoint. + * + * Warning: non blocking + * + * @param endpoint endpoint which will be read + * @param buffer buffer will be filled with the data received (if data are available) + * @param size the number of bytes read will be stored in *size + * @param maxSize the maximum length that can be read + * @returns true if successful + */ + bool readEP_NB(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize); + + /* + * Write a certain endpoint. + * + * Warning: blocking + * + * @param endpoint endpoint to write + * @param buffer data contained in buffer will be write + * @param size the number of bytes to write + * @param maxSize the maximum length that can be written on this endpoint + */ + bool write(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize); + + + /* + * Write a certain endpoint. + * + * Warning: non blocking + * + * @param endpoint endpoint to write + * @param buffer data contained in buffer will be write + * @param size the number of bytes to write + * @param maxSize the maximum length that can be written on this endpoint + */ + bool writeNB(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize); + + + /* + * Called by USBDevice layer on bus reset. Warning: Called in ISR context + * + * May be used to reset state + */ + virtual void USBCallback_busReset(void) {}; + + /* + * Called by USBDevice on Endpoint0 request. Warning: Called in ISR context + * This is used to handle extensions to standard requests + * and class specific requests + * + * @returns true if class handles this request + */ + virtual bool USBCallback_request() { return false; }; + + /* + * Called by USBDevice on Endpoint0 request completion + * if the 'notify' flag has been set to true. Warning: Called in ISR context + * + * In this case it is used to indicate that a HID report has + * been received from the host on endpoint 0 + * + * @param buf buffer received on endpoint 0 + * @param length length of this buffer + */ + virtual void USBCallback_requestCompleted(uint8_t * buf, uint32_t length) {}; + + /* + * Called by USBDevice layer. Set configuration of the device. + * For instance, you can add all endpoints that you need on this function. + * + * @param configuration Number of the configuration + */ + virtual bool USBCallback_setConfiguration(uint8_t configuration) { return false; }; + + /* + * Called by USBDevice layer. Set interface/alternate of the device. + * + * @param interface Number of the interface to be configured + * @param alternate Number of the alternate to be configured + * @returns true if class handles this request + */ + virtual bool USBCallback_setInterface(uint16_t interface, uint8_t alternate) { return false; }; + + /* + * Get device descriptor. Warning: this method has to store the length of the report descriptor in reportLength. + * + * @returns pointer to the device descriptor + */ + virtual uint8_t * deviceDesc(); + + /* + * Get configuration descriptor + * + * @returns pointer to the configuration descriptor + */ + virtual uint8_t * configurationDesc(){return NULL;}; + + /* + * Get string lang id descriptor + * + * @return pointer to the string lang id descriptor + */ + virtual uint8_t * stringLangidDesc(); + + /* + * Get string manufacturer descriptor + * + * @returns pointer to the string manufacturer descriptor + */ + virtual uint8_t * stringImanufacturerDesc(); + + /* + * Get string product descriptor + * + * @returns pointer to the string product descriptor + */ + virtual uint8_t * stringIproductDesc(); + + /* + * Get string serial descriptor + * + * @returns pointer to the string serial descriptor + */ + virtual uint8_t * stringIserialDesc(); + + /* + * Get string configuration descriptor + * + * @returns pointer to the string configuration descriptor + */ + virtual uint8_t * stringIConfigurationDesc(); + + /* + * Get string interface descriptor + * + * @returns pointer to the string interface descriptor + */ + virtual uint8_t * stringIinterfaceDesc(); + + /* + * Get the length of the report descriptor + * + * @returns length of the report descriptor + */ + virtual uint16_t reportDescLength() { return 0; }; + + + +protected: + virtual void busReset(void); + virtual void EP0setupCallback(void); + virtual void EP0out(void); + virtual void EP0in(void); + virtual void connectStateChanged(unsigned int connected); + virtual void suspendStateChanged(unsigned int suspended); + uint8_t * findDescriptor(uint8_t descriptorType); + CONTROL_TRANSFER * getTransferPtr(void); + + uint16_t VENDOR_ID; + uint16_t PRODUCT_ID; + uint16_t PRODUCT_RELEASE; + +private: + bool addRateFeedbackEndpoint(uint8_t endpoint, uint32_t maxPacket); + bool requestGetDescriptor(void); + bool controlOut(void); + bool controlIn(void); + bool requestSetAddress(void); + bool requestSetConfiguration(void); + bool requestSetFeature(void); + bool requestClearFeature(void); + bool requestGetStatus(void); + bool requestSetup(void); + bool controlSetup(void); + void decodeSetupPacket(uint8_t *data, SETUP_PACKET *packet); + bool requestGetConfiguration(void); + bool requestGetInterface(void); + bool requestSetInterface(void); + + CONTROL_TRANSFER transfer; + USB_DEVICE device; + + uint16_t currentInterface; + uint8_t currentAlternate; +}; + + +#endif diff --git a/libraries/USBDevice/USBDevice/USBDevice_Types.h b/libraries/USBDevice/USBDevice/USBDevice_Types.h new file mode 100644 index 0000000000..063b2824ea --- /dev/null +++ b/libraries/USBDevice/USBDevice/USBDevice_Types.h @@ -0,0 +1,83 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USBDEVICE_TYPES_H +#define USBDEVICE_TYPES_H + +/* Standard requests */ +#define GET_STATUS (0) +#define CLEAR_FEATURE (1) +#define SET_FEATURE (3) +#define SET_ADDRESS (5) +#define GET_DESCRIPTOR (6) +#define SET_DESCRIPTOR (7) +#define GET_CONFIGURATION (8) +#define SET_CONFIGURATION (9) +#define GET_INTERFACE (10) +#define SET_INTERFACE (11) + +/* bmRequestType.dataTransferDirection */ +#define HOST_TO_DEVICE (0) +#define DEVICE_TO_HOST (1) + +/* bmRequestType.Type*/ +#define STANDARD_TYPE (0) +#define CLASS_TYPE (1) +#define VENDOR_TYPE (2) +#define RESERVED_TYPE (3) + +/* bmRequestType.Recipient */ +#define DEVICE_RECIPIENT (0) +#define INTERFACE_RECIPIENT (1) +#define ENDPOINT_RECIPIENT (2) +#define OTHER_RECIPIENT (3) + +/* Descriptors */ +#define DESCRIPTOR_TYPE(wValue) (wValue >> 8) +#define DESCRIPTOR_INDEX(wValue) (wValue & 0xf) + +typedef struct { + struct { + uint8_t dataTransferDirection; + uint8_t Type; + uint8_t Recipient; + } bmRequestType; + uint8_t bRequest; + uint16_t wValue; + uint16_t wIndex; + uint16_t wLength; +} SETUP_PACKET; + +typedef struct { + SETUP_PACKET setup; + uint8_t *ptr; + uint32_t remaining; + uint8_t direction; + bool zlp; + bool notify; +} CONTROL_TRANSFER; + +typedef enum {ATTACHED, POWERED, DEFAULT, ADDRESS, CONFIGURED} DEVICE_STATE; + +typedef struct { + volatile DEVICE_STATE state; + uint8_t configuration; + bool suspended; +} USB_DEVICE; + +#endif diff --git a/libraries/USBDevice/USBDevice/USBEndpoints.h b/libraries/USBDevice/USBDevice/USBEndpoints.h new file mode 100644 index 0000000000..c24bb2fdd1 --- /dev/null +++ b/libraries/USBDevice/USBDevice/USBEndpoints.h @@ -0,0 +1,48 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USBENDPOINTS_H +#define USBENDPOINTS_H + +/* SETUP packet size */ +#define SETUP_PACKET_SIZE (8) + +/* Options flags for configuring endpoints */ +#define DEFAULT_OPTIONS (0) +#define SINGLE_BUFFERED (1U << 0) +#define ISOCHRONOUS (1U << 1) +#define RATE_FEEDBACK_MODE (1U << 2) /* Interrupt endpoints only */ + +/* Endpoint transfer status, for endpoints > 0 */ +typedef enum { + EP_COMPLETED, /* Transfer completed */ + EP_PENDING, /* Transfer in progress */ + EP_INVALID, /* Invalid parameter */ + EP_STALLED, /* Endpoint stalled */ +} EP_STATUS; + +/* Include configuration for specific target */ +#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368) +#include "USBEndpoints_LPC17_LPC23.h" +#elif defined(TARGET_LPC11U24) +#include "USBEndpoints_LPC11U.h" +#else +#error "Unknown target type" +#endif + +#endif diff --git a/libraries/USBDevice/USBDevice/USBEndpoints_LPC11U.h b/libraries/USBDevice/USBDevice/USBEndpoints_LPC11U.h new file mode 100644 index 0000000000..5f642df15a --- /dev/null +++ b/libraries/USBDevice/USBDevice/USBEndpoints_LPC11U.h @@ -0,0 +1,65 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#define NUMBER_OF_LOGICAL_ENDPOINTS (5) +#define NUMBER_OF_PHYSICAL_ENDPOINTS (NUMBER_OF_LOGICAL_ENDPOINTS * 2) + +/* Define physical endpoint numbers */ + +/* Endpoint No. Type(s) MaxPacket DoubleBuffer */ +/* ---------------- ------------ ---------- --- */ +#define EP0OUT (0) /* Control 64 No */ +#define EP0IN (1) /* Control 64 No */ +#define EP1OUT (2) /* Int/Bulk/Iso 64/64/1023 Yes */ +#define EP1IN (3) /* Int/Bulk/Iso 64/64/1023 Yes */ +#define EP2OUT (4) /* Int/Bulk/Iso 64/64/1023 Yes */ +#define EP2IN (5) /* Int/Bulk/Iso 64/64/1023 Yes */ +#define EP3OUT (6) /* Int/Bulk/Iso 64/64/1023 Yes */ +#define EP3IN (7) /* Int/Bulk/Iso 64/64/1023 Yes */ +#define EP4OUT (8) /* Int/Bulk/Iso 64/64/1023 Yes */ +#define EP4IN (9) /* Int/Bulk/Iso 64/64/1023 Yes */ + +/* Maximum Packet sizes */ + +#define MAX_PACKET_SIZE_EP0 (64) +#define MAX_PACKET_SIZE_EP1 (64) /* Int/Bulk */ +#define MAX_PACKET_SIZE_EP2 (64) /* Int/Bulk */ +#define MAX_PACKET_SIZE_EP3 (64) /* Int/Bulk */ +#define MAX_PACKET_SIZE_EP4 (64) /* Int/Bulk */ + +#define MAX_PACKET_SIZE_EP1_ISO (1023) /* Isochronous */ +#define MAX_PACKET_SIZE_EP2_ISO (1023) /* Isochronous */ +#define MAX_PACKET_SIZE_EP3_ISO (1023) /* Isochronous */ +#define MAX_PACKET_SIZE_EP4_ISO (1023) /* Isochronous */ + +/* Generic endpoints - intended to be portable accross devices */ +/* and be suitable for simple USB devices. */ + +/* Bulk endpoint */ +#define EPBULK_OUT (EP2OUT) +#define EPBULK_IN (EP2IN) +/* Interrupt endpoint */ +#define EPINT_OUT (EP1OUT) +#define EPINT_IN (EP1IN) +/* Isochronous endpoint */ +#define EPISO_OUT (EP3OUT) +#define EPISO_IN (EP3IN) + +#define MAX_PACKET_SIZE_EPBULK (MAX_PACKET_SIZE_EP2) +#define MAX_PACKET_SIZE_EPINT (MAX_PACKET_SIZE_EP1) +#define MAX_PACKET_SIZE_EPISO (MAX_PACKET_SIZE_EP3_ISO) diff --git a/libraries/USBDevice/USBDevice/USBEndpoints_LPC17_LPC23.h b/libraries/USBDevice/USBDevice/USBEndpoints_LPC17_LPC23.h new file mode 100644 index 0000000000..3f7aa6ba4d --- /dev/null +++ b/libraries/USBDevice/USBDevice/USBEndpoints_LPC17_LPC23.h @@ -0,0 +1,93 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#define NUMBER_OF_LOGICAL_ENDPOINTS (16) +#define NUMBER_OF_PHYSICAL_ENDPOINTS (NUMBER_OF_LOGICAL_ENDPOINTS * 2) + +/* Define physical endpoint numbers */ + +/* Endpoint No. Type(s) MaxPacket DoubleBuffer */ +/* ---------------- ------------ ---------- --- */ +#define EP0OUT (0) /* Control 64 No */ +#define EP0IN (1) /* Control 64 No */ +#define EP1OUT (2) /* Interrupt 64 No */ +#define EP1IN (3) /* Interrupt 64 No */ +#define EP2OUT (4) /* Bulk 64 Yes */ +#define EP2IN (5) /* Bulk 64 Yes */ +#define EP3OUT (6) /* Isochronous 1023 Yes */ +#define EP3IN (7) /* Isochronous 1023 Yes */ +#define EP4OUT (8) /* Interrupt 64 No */ +#define EP4IN (9) /* Interrupt 64 No */ +#define EP5OUT (10) /* Bulk 64 Yes */ +#define EP5IN (11) /* Bulk 64 Yes */ +#define EP6OUT (12) /* Isochronous 1023 Yes */ +#define EP6IN (13) /* Isochronous 1023 Yes */ +#define EP7OUT (14) /* Interrupt 64 No */ +#define EP7IN (15) /* Interrupt 64 No */ +#define EP8OUT (16) /* Bulk 64 Yes */ +#define EP8IN (17) /* Bulk 64 Yes */ +#define EP9OUT (18) /* Isochronous 1023 Yes */ +#define EP9IN (19) /* Isochronous 1023 Yes */ +#define EP10OUT (20) /* Interrupt 64 No */ +#define EP10IN (21) /* Interrupt 64 No */ +#define EP11OUT (22) /* Bulk 64 Yes */ +#define EP11IN (23) /* Bulk 64 Yes */ +#define EP12OUT (24) /* Isochronous 1023 Yes */ +#define EP12IN (25) /* Isochronous 1023 Yes */ +#define EP13OUT (26) /* Interrupt 64 No */ +#define EP13IN (27) /* Interrupt 64 No */ +#define EP14OUT (28) /* Bulk 64 Yes */ +#define EP14IN (29) /* Bulk 64 Yes */ +#define EP15OUT (30) /* Bulk 64 Yes */ +#define EP15IN (31) /* Bulk 64 Yes */ + +/* Maximum Packet sizes */ + +#define MAX_PACKET_SIZE_EP0 (64) +#define MAX_PACKET_SIZE_EP1 (64) +#define MAX_PACKET_SIZE_EP2 (64) +#define MAX_PACKET_SIZE_EP3 (1023) +#define MAX_PACKET_SIZE_EP4 (64) +#define MAX_PACKET_SIZE_EP5 (64) +#define MAX_PACKET_SIZE_EP6 (1023) +#define MAX_PACKET_SIZE_EP7 (64) +#define MAX_PACKET_SIZE_EP8 (64) +#define MAX_PACKET_SIZE_EP9 (1023) +#define MAX_PACKET_SIZE_EP10 (64) +#define MAX_PACKET_SIZE_EP11 (64) +#define MAX_PACKET_SIZE_EP12 (1023) +#define MAX_PACKET_SIZE_EP13 (64) +#define MAX_PACKET_SIZE_EP14 (64) +#define MAX_PACKET_SIZE_EP15 (64) + +/* Generic endpoints - intended to be portable accross devices */ +/* and be suitable for simple USB devices. */ + +/* Bulk endpoints */ +#define EPBULK_OUT (EP2OUT) +#define EPBULK_IN (EP2IN) +/* Interrupt endpoints */ +#define EPINT_OUT (EP1OUT) +#define EPINT_IN (EP1IN) +/* Isochronous endpoints */ +#define EPISO_OUT (EP3OUT) +#define EPISO_IN (EP3IN) + +#define MAX_PACKET_SIZE_EPBULK (MAX_PACKET_SIZE_EP2) +#define MAX_PACKET_SIZE_EPINT (MAX_PACKET_SIZE_EP1) +#define MAX_PACKET_SIZE_EPISO (MAX_PACKET_SIZE_EP3) diff --git a/libraries/USBDevice/USBDevice/USBHAL.h b/libraries/USBDevice/USBDevice/USBHAL.h new file mode 100644 index 0000000000..c9c047e3b2 --- /dev/null +++ b/libraries/USBDevice/USBDevice/USBHAL.h @@ -0,0 +1,113 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USBBUSINTERFACE_H +#define USBBUSINTERFACE_H + +#include "mbed.h" +#include "USBEndpoints.h" + +class USBHAL { +public: + /* Configuration */ + USBHAL(); + ~USBHAL(); + void connect(void); + void disconnect(void); + void configureDevice(void); + void unconfigureDevice(void); + void setAddress(uint8_t address); + void remoteWakeup(void); + + /* Endpoint 0 */ + void EP0setup(uint8_t *buffer); + void EP0read(void); + void EP0readStage(void); + uint32_t EP0getReadResult(uint8_t *buffer); + void EP0write(uint8_t *buffer, uint32_t size); + void EP0getWriteResult(void); + void EP0stall(void); + + /* Other endpoints */ + EP_STATUS endpointRead(uint8_t endpoint, uint32_t maximumSize); + EP_STATUS endpointReadResult(uint8_t endpoint, uint8_t *data, uint32_t *bytesRead); + EP_STATUS endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size); + EP_STATUS endpointWriteResult(uint8_t endpoint); + void stallEndpoint(uint8_t endpoint); + void unstallEndpoint(uint8_t endpoint); + bool realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t options); + bool getEndpointStallState(unsigned char endpoint); + uint32_t endpointReadcore(uint8_t endpoint, uint8_t *buffer); + +protected: + virtual void busReset(void){}; + virtual void EP0setupCallback(void){}; + virtual void EP0out(void){}; + virtual void EP0in(void){}; + virtual void connectStateChanged(unsigned int connected){}; + virtual void suspendStateChanged(unsigned int suspended){}; + virtual void SOF(int frameNumber){}; + + virtual bool EP1_OUT_callback(){return false;}; + virtual bool EP1_IN_callback(){return false;}; + virtual bool EP2_OUT_callback(){return false;}; + virtual bool EP2_IN_callback(){return false;}; + virtual bool EP3_OUT_callback(){return false;}; + virtual bool EP3_IN_callback(){return false;}; + virtual bool EP4_OUT_callback(){return false;}; + virtual bool EP4_IN_callback(){return false;}; + +#if !defined(TARGET_LPC11U24) + virtual bool EP5_OUT_callback(){return false;}; + virtual bool EP5_IN_callback(){return false;}; + virtual bool EP6_OUT_callback(){return false;}; + virtual bool EP6_IN_callback(){return false;}; + virtual bool EP7_OUT_callback(){return false;}; + virtual bool EP7_IN_callback(){return false;}; + virtual bool EP8_OUT_callback(){return false;}; + virtual bool EP8_IN_callback(){return false;}; + virtual bool EP9_OUT_callback(){return false;}; + virtual bool EP9_IN_callback(){return false;}; + virtual bool EP10_OUT_callback(){return false;}; + virtual bool EP10_IN_callback(){return false;}; + virtual bool EP11_OUT_callback(){return false;}; + virtual bool EP11_IN_callback(){return false;}; + virtual bool EP12_OUT_callback(){return false;}; + virtual bool EP12_IN_callback(){return false;}; + virtual bool EP13_OUT_callback(){return false;}; + virtual bool EP13_IN_callback(){return false;}; + virtual bool EP14_OUT_callback(){return false;}; + virtual bool EP14_IN_callback(){return false;}; + virtual bool EP15_OUT_callback(){return false;}; + virtual bool EP15_IN_callback(){return false;}; +#endif + +private: + void usbisr(void); + static void _usbisr(void); + static USBHAL * instance; + +#if defined(TARGET_LPC11U24) + bool (USBHAL::*epCallback[10 - 2])(void); +#else + bool (USBHAL::*epCallback[32 - 2])(void); +#endif + + +}; +#endif diff --git a/libraries/USBDevice/USBDevice/USBHAL_LPC11U.cpp b/libraries/USBDevice/USBDevice/USBHAL_LPC11U.cpp new file mode 100644 index 0000000000..0c13e5c576 --- /dev/null +++ b/libraries/USBDevice/USBDevice/USBHAL_LPC11U.cpp @@ -0,0 +1,684 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifdef TARGET_LPC11U24 + +#include "USBHAL.h" + +USBHAL * USBHAL::instance; + +// Valid physical endpoint numbers are 0 to (NUMBER_OF_PHYSICAL_ENDPOINTS-1) +#define LAST_PHYSICAL_ENDPOINT (NUMBER_OF_PHYSICAL_ENDPOINTS-1) + +// Convert physical endpoint number to register bit +#define EP(endpoint) (1UL<>1) + +// Get endpoint direction +#define IN_EP(endpoint) ((endpoint) & 1U ? true : false) +#define OUT_EP(endpoint) ((endpoint) & 1U ? false : true) + +// USB RAM +#define USB_RAM_START (0x20004000) +#define USB_RAM_SIZE (0x00000800) + +// SYSAHBCLKCTRL +#define CLK_USB (1UL<<14) +#define CLK_USBRAM (1UL<<27) + +// USB Information register +#define FRAME_NR(a) ((a) & 0x7ff) // Frame number + +// USB Device Command/Status register +#define DEV_ADDR_MASK (0x7f) // Device address +#define DEV_ADDR(a) ((a) & DEV_ADDR_MASK) +#define DEV_EN (1UL<<7) // Device enable +#define SETUP (1UL<<8) // SETUP token received +#define PLL_ON (1UL<<9) // PLL enabled in suspend +#define DCON (1UL<<16) // Device status - connect +#define DSUS (1UL<<17) // Device status - suspend +#define DCON_C (1UL<<24) // Connect change +#define DSUS_C (1UL<<25) // Suspend change +#define DRES_C (1UL<<26) // Reset change +#define VBUSDEBOUNCED (1UL<<28) // Vbus detected + +// Endpoint Command/Status list +#define CMDSTS_A (1UL<<31) // Active +#define CMDSTS_D (1UL<<30) // Disable +#define CMDSTS_S (1UL<<29) // Stall +#define CMDSTS_TR (1UL<<28) // Toggle Reset +#define CMDSTS_RF (1UL<<27) // Rate Feedback mode +#define CMDSTS_TV (1UL<<27) // Toggle Value +#define CMDSTS_T (1UL<<26) // Endpoint Type +#define CMDSTS_NBYTES(n) (((n)&0x3ff)<<16) // Number of bytes +#define CMDSTS_ADDRESS_OFFSET(a) (((a)>>6)&0xffff) // Buffer start address + +#define BYTES_REMAINING(s) (((s)>>16)&0x3ff) // Bytes remaining after transfer + +// USB Non-endpoint interrupt sources +#define FRAME_INT (1UL<<30) +#define DEV_INT (1UL<<31) + +static volatile int epComplete = 0; + +// One entry for a double-buffered logical endpoint in the endpoint +// command/status list. Endpoint 0 is single buffered, out[1] is used +// for the SETUP packet and in[1] is not used +typedef __packed struct { + uint32_t out[2]; + uint32_t in[2]; +} EP_COMMAND_STATUS; + +typedef __packed struct { + uint8_t out[MAX_PACKET_SIZE_EP0]; + uint8_t in[MAX_PACKET_SIZE_EP0]; + uint8_t setup[SETUP_PACKET_SIZE]; +} CONTROL_TRANSFER; + +typedef __packed struct { + uint32_t maxPacket; + uint32_t buffer[2]; + uint32_t options; +} EP_STATE; + +static volatile EP_STATE endpointState[NUMBER_OF_PHYSICAL_ENDPOINTS]; + +// Pointer to the endpoint command/status list +static EP_COMMAND_STATUS *ep = NULL; + +// Pointer to endpoint 0 data (IN/OUT and SETUP) +static CONTROL_TRANSFER *ct = NULL; + +// Shadow DEVCMDSTAT register to avoid accidentally clearing flags or +// initiating a remote wakeup event. +static volatile uint32_t devCmdStat; + +// Pointers used to allocate USB RAM +static uint32_t usbRamPtr = USB_RAM_START; +static uint32_t epRamPtr = 0; // Buffers for endpoints > 0 start here + +#define ROUND_UP_TO_MULTIPLE(x, m) ((((x)+((m)-1))/(m))*(m)) + +void USBMemCopy(uint8_t *dst, uint8_t *src, uint32_t size); +void USBMemCopy(uint8_t *dst, uint8_t *src, uint32_t size) { + if (size > 0) { + do { + *dst++ = *src++; + } while (--size > 0); + } +} + + +USBHAL::USBHAL(void) { + NVIC_DisableIRQ(USB_IRQn); + + // fill in callback array + epCallback[0] = &USBHAL::EP1_OUT_callback; + epCallback[1] = &USBHAL::EP1_IN_callback; + epCallback[2] = &USBHAL::EP2_OUT_callback; + epCallback[3] = &USBHAL::EP2_IN_callback; + epCallback[4] = &USBHAL::EP3_OUT_callback; + epCallback[5] = &USBHAL::EP3_IN_callback; + epCallback[6] = &USBHAL::EP4_OUT_callback; + epCallback[7] = &USBHAL::EP4_IN_callback; + + // nUSB_CONNECT output + LPC_IOCON->PIO0_6 = 0x00000001; + + // Enable clocks (USB registers, USB RAM) + LPC_SYSCON->SYSAHBCLKCTRL |= CLK_USB | CLK_USBRAM; + + // Ensure device disconnected (DCON not set) + LPC_USB->DEVCMDSTAT = 0; + + // to ensure that the USB host sees the device as + // disconnected if the target CPU is reset. + wait(0.3); + + // Reserve space in USB RAM for endpoint command/status list + // Must be 256 byte aligned + usbRamPtr = ROUND_UP_TO_MULTIPLE(usbRamPtr, 256); + ep = (EP_COMMAND_STATUS *)usbRamPtr; + usbRamPtr += (sizeof(EP_COMMAND_STATUS) * NUMBER_OF_LOGICAL_ENDPOINTS); + LPC_USB->EPLISTSTART = (uint32_t)(ep) & 0xffffff00; + + // Reserve space in USB RAM for Endpoint 0 + // Must be 64 byte aligned + usbRamPtr = ROUND_UP_TO_MULTIPLE(usbRamPtr, 64); + ct = (CONTROL_TRANSFER *)usbRamPtr; + usbRamPtr += sizeof(CONTROL_TRANSFER); + LPC_USB->DATABUFSTART =(uint32_t)(ct) & 0xffc00000; + + // Setup command/status list for EP0 + ep[0].out[0] = 0; + ep[0].in[0] = 0; + ep[0].out[1] = CMDSTS_ADDRESS_OFFSET((uint32_t)ct->setup); + + // Route all interrupts to IRQ, some can be routed to + // USB_FIQ if you wish. + LPC_USB->INTROUTING = 0; + + // Set device address 0, enable USB device, no remote wakeup + devCmdStat = DEV_ADDR(0) | DEV_EN | DSUS; + LPC_USB->DEVCMDSTAT = devCmdStat; + + // Enable interrupts for device events and EP0 + LPC_USB->INTEN = DEV_INT | EP(EP0IN) | EP(EP0OUT) | FRAME_INT; + instance = this; + + //attach IRQ handler and enable interrupts + NVIC_SetVector(USB_IRQn, (uint32_t)&_usbisr); +} + +USBHAL::~USBHAL(void) { + // Ensure device disconnected (DCON not set) + LPC_USB->DEVCMDSTAT = 0; + // Disable USB interrupts + NVIC_DisableIRQ(USB_IRQn); +} + +void USBHAL::connect(void) { + NVIC_EnableIRQ(USB_IRQn); + devCmdStat |= DCON; + LPC_USB->DEVCMDSTAT = devCmdStat; +} + +void USBHAL::disconnect(void) { + NVIC_DisableIRQ(USB_IRQn); + devCmdStat &= ~DCON; + LPC_USB->DEVCMDSTAT = devCmdStat; +} + +void USBHAL::configureDevice(void) { + // Not required +} + +void USBHAL::unconfigureDevice(void) { + // Not required +} + +void USBHAL::EP0setup(uint8_t *buffer) { + // Copy setup packet data + USBMemCopy(buffer, ct->setup, SETUP_PACKET_SIZE); +} + +void USBHAL::EP0read(void) { + // Start an endpoint 0 read + + // The USB ISR will call USBDevice_EP0out() when a packet has been read, + // the USBDevice layer then calls USBBusInterface_EP0getReadResult() to + // read the data. + + ep[0].out[0] = CMDSTS_A |CMDSTS_NBYTES(MAX_PACKET_SIZE_EP0) \ + | CMDSTS_ADDRESS_OFFSET((uint32_t)ct->out); +} + +uint32_t USBHAL::EP0getReadResult(uint8_t *buffer) { + // Complete an endpoint 0 read + uint32_t bytesRead; + + // Find how many bytes were read + bytesRead = MAX_PACKET_SIZE_EP0 - BYTES_REMAINING(ep[0].out[0]); + + // Copy data + USBMemCopy(buffer, ct->out, bytesRead); + return bytesRead; +} + + +void USBHAL::EP0readStage(void) { + // Not required +} + +void USBHAL::EP0write(uint8_t *buffer, uint32_t size) { + // Start and endpoint 0 write + + // The USB ISR will call USBDevice_EP0in() when the data has + // been written, the USBDevice layer then calls + // USBBusInterface_EP0getWriteResult() to complete the transaction. + + // Copy data + USBMemCopy(ct->in, buffer, size); + + // Start transfer + ep[0].in[0] = CMDSTS_A | CMDSTS_NBYTES(size) \ + | CMDSTS_ADDRESS_OFFSET((uint32_t)ct->in); +} + + +EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t maximumSize) { + uint8_t bf = 0; + uint32_t flags = 0; + + //check which buffer must be filled + if (LPC_USB->EPBUFCFG & EP(endpoint)) { + // Double buffered + if (LPC_USB->EPINUSE & EP(endpoint)) { + bf = 1; + } else { + bf = 0; + } + } + + // if isochronous endpoint, T = 1 + if(endpointState[endpoint].options & ISOCHRONOUS) + { + flags |= CMDSTS_T; + } + + //Active the endpoint for reading + ep[PHY_TO_LOG(endpoint)].out[bf] = CMDSTS_A | CMDSTS_NBYTES(maximumSize) \ + | CMDSTS_ADDRESS_OFFSET((uint32_t)ct->out) | flags; + return EP_PENDING; +} + +EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t *data, uint32_t *bytesRead) { + + uint8_t bf = 0; + + if (!(epComplete & EP(endpoint))) + return EP_PENDING; + else { + epComplete &= ~EP(endpoint); + + //check which buffer has been filled + if (LPC_USB->EPBUFCFG & EP(endpoint)) { + // Double buffered (here we read the previous buffer which was used) + if (LPC_USB->EPINUSE & EP(endpoint)) { + bf = 0; + } else { + bf = 1; + } + } + + // Find how many bytes were read + *bytesRead = (uint32_t) (endpointState[endpoint].maxPacket - BYTES_REMAINING(ep[PHY_TO_LOG(endpoint)].out[bf])); + + // Copy data + USBMemCopy(data, ct->out, *bytesRead); + return EP_COMPLETED; + } +} + +void USBHAL::EP0getWriteResult(void) { + // Not required +} + +void USBHAL::EP0stall(void) { + ep[0].in[0] = CMDSTS_S; + ep[0].out[0] = CMDSTS_S; +} + +void USBHAL::setAddress(uint8_t address) { + devCmdStat &= ~DEV_ADDR_MASK; + devCmdStat |= DEV_ADDR(address); + LPC_USB->DEVCMDSTAT = devCmdStat; +} + +EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size) { + uint32_t flags = 0; + uint32_t bf; + + // Validate parameters + if (data == NULL) { + return EP_INVALID; + } + + if (endpoint > LAST_PHYSICAL_ENDPOINT) { + return EP_INVALID; + } + + if ((endpoint==EP0IN) || (endpoint==EP0OUT)) { + return EP_INVALID; + } + + if (size > endpointState[endpoint].maxPacket) { + return EP_INVALID; + } + + if (LPC_USB->EPBUFCFG & EP(endpoint)) { + // Double buffered + if (LPC_USB->EPINUSE & EP(endpoint)) { + bf = 1; + } else { + bf = 0; + } + } else { + // Single buffered + bf = 0; + } + + // Check if already active + if (ep[PHY_TO_LOG(endpoint)].in[bf] & CMDSTS_A) { + return EP_INVALID; + } + + // Check if stalled + if (ep[PHY_TO_LOG(endpoint)].in[bf] & CMDSTS_S) { + return EP_STALLED; + } + + // Copy data to USB RAM + USBMemCopy((uint8_t *)endpointState[endpoint].buffer[bf], data, size); + + // Add options + if (endpointState[endpoint].options & RATE_FEEDBACK_MODE) { + flags |= CMDSTS_RF; + } + + if (endpointState[endpoint].options & ISOCHRONOUS) { + flags |= CMDSTS_T; + } + + // Add transfer + ep[PHY_TO_LOG(endpoint)].in[bf] = CMDSTS_ADDRESS_OFFSET( \ + endpointState[endpoint].buffer[bf]) \ + | CMDSTS_NBYTES(size) | CMDSTS_A | flags; + + return EP_PENDING; +} + +EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint) { + uint32_t bf; + + // Validate parameters + if (endpoint > LAST_PHYSICAL_ENDPOINT) { + return EP_INVALID; + } + + if (OUT_EP(endpoint)) { + return EP_INVALID; + } + + if (LPC_USB->EPBUFCFG & EP(endpoint)) { + // Double buffered // TODO: FIX THIS + if (LPC_USB->EPINUSE & EP(endpoint)) { + bf = 1; + } else { + bf = 0; + } + } else { + // Single buffered + bf = 0; + } + + // Check if endpoint still active + if (ep[PHY_TO_LOG(endpoint)].in[bf] & CMDSTS_A) { + return EP_PENDING; + } + + // Check if stalled + if (ep[PHY_TO_LOG(endpoint)].in[bf] & CMDSTS_S) { + return EP_STALLED; + } + + return EP_COMPLETED; +} + +void USBHAL::stallEndpoint(uint8_t endpoint) { + + // FIX: should this clear active bit? + if (IN_EP(endpoint)) { + ep[PHY_TO_LOG(endpoint)].in[0] |= CMDSTS_S; + ep[PHY_TO_LOG(endpoint)].in[1] |= CMDSTS_S; + } else { + ep[PHY_TO_LOG(endpoint)].out[0] |= CMDSTS_S; + ep[PHY_TO_LOG(endpoint)].out[1] |= CMDSTS_S; + } +} + +void USBHAL::unstallEndpoint(uint8_t endpoint) { + if (LPC_USB->EPBUFCFG & EP(endpoint)) { + // Double buffered + if (IN_EP(endpoint)) { + ep[PHY_TO_LOG(endpoint)].in[0] = 0; // S = 0 + ep[PHY_TO_LOG(endpoint)].in[1] = 0; // S = 0 + + if (LPC_USB->EPINUSE & EP(endpoint)) { + ep[PHY_TO_LOG(endpoint)].in[1] = CMDSTS_TR; // S = 0, TR = 1, TV = 0 + } else { + ep[PHY_TO_LOG(endpoint)].in[0] = CMDSTS_TR; // S = 0, TR = 1, TV = 0 + } + } else { + ep[PHY_TO_LOG(endpoint)].out[0] = 0; // S = 0 + ep[PHY_TO_LOG(endpoint)].out[1] = 0; // S = 0 + + if (LPC_USB->EPINUSE & EP(endpoint)) { + ep[PHY_TO_LOG(endpoint)].out[1] = CMDSTS_TR; // S = 0, TR = 1, TV = 0 + } else { + ep[PHY_TO_LOG(endpoint)].out[0] = CMDSTS_TR; // S = 0, TR = 1, TV = 0 + } + } + } else { + // Single buffered + if (IN_EP(endpoint)) { + ep[PHY_TO_LOG(endpoint)].in[0] = CMDSTS_TR; // S = 0, TR = 1, TV = 0 + } else { + ep[PHY_TO_LOG(endpoint)].out[0] = CMDSTS_TR; // S = 0, TR = 1, TV = 0 + } + } +} + +bool USBHAL::getEndpointStallState(unsigned char endpoint) { + if (IN_EP(endpoint)) { + if (LPC_USB->EPINUSE & EP(endpoint)) { + if (ep[PHY_TO_LOG(endpoint)].in[1] & CMDSTS_S) { + return true; + } + } else { + if (ep[PHY_TO_LOG(endpoint)].in[0] & CMDSTS_S) { + return true; + } + } + } else { + if (LPC_USB->EPINUSE & EP(endpoint)) { + if (ep[PHY_TO_LOG(endpoint)].out[1] & CMDSTS_S) { + return true; + } + } else { + if (ep[PHY_TO_LOG(endpoint)].out[0] & CMDSTS_S) { + return true; + } + } + } + + return false; +} + +bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t options) { + uint32_t tmpEpRamPtr; + + if (endpoint > LAST_PHYSICAL_ENDPOINT) { + return false; + } + + // Not applicable to the control endpoints + if ((endpoint==EP0IN) || (endpoint==EP0OUT)) { + return false; + } + + // Allocate buffers in USB RAM + tmpEpRamPtr = epRamPtr; + + // Must be 64 byte aligned + tmpEpRamPtr = ROUND_UP_TO_MULTIPLE(tmpEpRamPtr, 64); + + if ((tmpEpRamPtr + maxPacket) > (USB_RAM_START + USB_RAM_SIZE)) { + // Out of memory + return false; + } + + // Allocate first buffer + endpointState[endpoint].buffer[0] = tmpEpRamPtr; + tmpEpRamPtr += maxPacket; + + if (!(options & SINGLE_BUFFERED)) { + // Must be 64 byte aligned + tmpEpRamPtr = ROUND_UP_TO_MULTIPLE(tmpEpRamPtr, 64); + + if ((tmpEpRamPtr + maxPacket) > (USB_RAM_START + USB_RAM_SIZE)) { + // Out of memory + return false; + } + + // Allocate second buffer + endpointState[endpoint].buffer[1] = tmpEpRamPtr; + tmpEpRamPtr += maxPacket; + } + + // Commit to this USB RAM allocation + epRamPtr = tmpEpRamPtr; + + // Remaining endpoint state values + endpointState[endpoint].maxPacket = maxPacket; + endpointState[endpoint].options = options; + + // Enable double buffering if required + if (options & SINGLE_BUFFERED) { + LPC_USB->EPBUFCFG &= ~EP(endpoint); + } else { + // Double buffered + LPC_USB->EPBUFCFG |= EP(endpoint); + } + + // Enable interrupt + LPC_USB->INTEN |= EP(endpoint); + + // Enable endpoint + unstallEndpoint(endpoint); + return true; +} + +void USBHAL::remoteWakeup(void) { + // Clearing DSUS bit initiates a remote wakeup if the + // device is currently enabled and suspended - otherwise + // it has no effect. + LPC_USB->DEVCMDSTAT = devCmdStat & ~DSUS; +} + + +static void disableEndpoints(void) { + uint32_t logEp; + + // Ref. Table 158 "When a bus reset is received, software + // must set the disable bit of all endpoints to 1". + + for (logEp = 1; logEp < NUMBER_OF_LOGICAL_ENDPOINTS; logEp++) { + ep[logEp].out[0] = CMDSTS_D; + ep[logEp].out[1] = CMDSTS_D; + ep[logEp].in[0] = CMDSTS_D; + ep[logEp].in[1] = CMDSTS_D; + } + + // Start of USB RAM for endpoints > 0 + epRamPtr = usbRamPtr; +} + + + +void USBHAL::_usbisr(void) { + instance->usbisr(); +} + +void USBHAL::usbisr(void) { + // Start of frame + if (LPC_USB->INTSTAT & FRAME_INT) { + // Clear SOF interrupt + LPC_USB->INTSTAT = FRAME_INT; + + // SOF event, read frame number + SOF(FRAME_NR(LPC_USB->INFO)); + } + + // Device state + if (LPC_USB->INTSTAT & DEV_INT) { + LPC_USB->INTSTAT = DEV_INT; + + if (LPC_USB->DEVCMDSTAT & DSUS_C) { + // Suspend status changed + LPC_USB->DEVCMDSTAT = devCmdStat | DSUS_C; + if((LPC_USB->DEVCMDSTAT & DSUS) != 0) { + suspendStateChanged(1); + } + } + + if (LPC_USB->DEVCMDSTAT & DRES_C) { + // Bus reset + LPC_USB->DEVCMDSTAT = devCmdStat | DRES_C; + + suspendStateChanged(0); + + // Disable endpoints > 0 + disableEndpoints(); + + // Bus reset event + busReset(); + } + } + + // Endpoint 0 + if (LPC_USB->INTSTAT & EP(EP0OUT)) { + // Clear EP0OUT/SETUP interrupt + LPC_USB->INTSTAT = EP(EP0OUT); + + // Check if SETUP + if (LPC_USB->DEVCMDSTAT & SETUP) { + // Clear Active and Stall bits for EP0 + // Documentation does not make it clear if we must use the + // EPSKIP register to achieve this, Fig. 16 and NXP reference + // code suggests we can just clear the Active bits - check with + // NXP to be sure. + ep[0].in[0] = 0; + ep[0].out[0] = 0; + + // Clear EP0IN interrupt + LPC_USB->INTSTAT = EP(EP0IN); + + // Clear SETUP (and INTONNAK_CI/O) in device status register + LPC_USB->DEVCMDSTAT = devCmdStat | SETUP; + + // EP0 SETUP event (SETUP data received) + EP0setupCallback(); + } else { + // EP0OUT ACK event (OUT data received) + EP0out(); + } + } + + if (LPC_USB->INTSTAT & EP(EP0IN)) { + // Clear EP0IN interrupt + LPC_USB->INTSTAT = EP(EP0IN); + + // EP0IN ACK event (IN data sent) + EP0in(); + } + + for (uint8_t num = 2; num < 5*2; num++) { + if (LPC_USB->INTSTAT & EP(num)) { + LPC_USB->INTSTAT = EP(num); + epComplete |= EP(num); + if ((instance->*(epCallback[num - 2]))()) { + epComplete &= ~EP(num); + } + } + } +} + +#endif diff --git a/libraries/USBDevice/USBDevice/USBHAL_LPC17.cpp b/libraries/USBDevice/USBDevice/USBHAL_LPC17.cpp new file mode 100644 index 0000000000..2786fccafe --- /dev/null +++ b/libraries/USBDevice/USBDevice/USBHAL_LPC17.cpp @@ -0,0 +1,623 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368) + +#include "USBHAL.h" + + +// Get endpoint direction +#define IN_EP(endpoint) ((endpoint) & 1U ? true : false) +#define OUT_EP(endpoint) ((endpoint) & 1U ? false : true) + +// Convert physical endpoint number to register bit +#define EP(endpoint) (1UL<>1)<<2) + +// USB Receive Packet Length register +#define DV (1UL<<10) +#define PKT_RDY (1UL<<11) +#define PKT_LNGTH_MASK (0x3ff) + +// Serial Interface Engine (SIE) +#define SIE_WRITE (0x01) +#define SIE_READ (0x02) +#define SIE_COMMAND (0x05) +#define SIE_CMD_CODE(phase, data) ((phase<<8)|(data<<16)) + +// SIE Command codes +#define SIE_CMD_SET_ADDRESS (0xD0) +#define SIE_CMD_CONFIGURE_DEVICE (0xD8) +#define SIE_CMD_SET_MODE (0xF3) +#define SIE_CMD_READ_FRAME_NUMBER (0xF5) +#define SIE_CMD_READ_TEST_REGISTER (0xFD) +#define SIE_CMD_SET_DEVICE_STATUS (0xFE) +#define SIE_CMD_GET_DEVICE_STATUS (0xFE) +#define SIE_CMD_GET_ERROR_CODE (0xFF) +#define SIE_CMD_READ_ERROR_STATUS (0xFB) + +#define SIE_CMD_SELECT_ENDPOINT(endpoint) (0x00+endpoint) +#define SIE_CMD_SELECT_ENDPOINT_CLEAR_INTERRUPT(endpoint) (0x40+endpoint) +#define SIE_CMD_SET_ENDPOINT_STATUS(endpoint) (0x40+endpoint) + +#define SIE_CMD_CLEAR_BUFFER (0xF2) +#define SIE_CMD_VALIDATE_BUFFER (0xFA) + +// SIE Device Status register +#define SIE_DS_CON (1<<0) +#define SIE_DS_CON_CH (1<<1) +#define SIE_DS_SUS (1<<2) +#define SIE_DS_SUS_CH (1<<3) +#define SIE_DS_RST (1<<4) + +// SIE Device Set Address register +#define SIE_DSA_DEV_EN (1<<7) + +// SIE Configue Device register +#define SIE_CONF_DEVICE (1<<0) + +// Select Endpoint register +#define SIE_SE_FE (1<<0) +#define SIE_SE_ST (1<<1) +#define SIE_SE_STP (1<<2) +#define SIE_SE_PO (1<<3) +#define SIE_SE_EPN (1<<4) +#define SIE_SE_B_1_FULL (1<<5) +#define SIE_SE_B_2_FULL (1<<6) + +// Set Endpoint Status command +#define SIE_SES_ST (1<<0) +#define SIE_SES_DA (1<<5) +#define SIE_SES_RF_MO (1<<6) +#define SIE_SES_CND_ST (1<<7) + + +USBHAL * USBHAL::instance; + +static volatile int epComplete; +static uint32_t endpointStallState; + +static void SIECommand(uint32_t command) { + // The command phase of a SIE transaction + LPC_USB->USBDevIntClr = CCEMPTY; + LPC_USB->USBCmdCode = SIE_CMD_CODE(SIE_COMMAND, command); + while (!(LPC_USB->USBDevIntSt & CCEMPTY)); +} + +static void SIEWriteData(uint8_t data) { + // The data write phase of a SIE transaction + LPC_USB->USBDevIntClr = CCEMPTY; + LPC_USB->USBCmdCode = SIE_CMD_CODE(SIE_WRITE, data); + while (!(LPC_USB->USBDevIntSt & CCEMPTY)); +} + +static uint8_t SIEReadData(uint32_t command) { + // The data read phase of a SIE transaction + LPC_USB->USBDevIntClr = CDFULL; + LPC_USB->USBCmdCode = SIE_CMD_CODE(SIE_READ, command); + while (!(LPC_USB->USBDevIntSt & CDFULL)); + return (uint8_t)LPC_USB->USBCmdData; +} + +static void SIEsetDeviceStatus(uint8_t status) { + // Write SIE device status register + SIECommand(SIE_CMD_SET_DEVICE_STATUS); + SIEWriteData(status); +} + +static uint8_t SIEgetDeviceStatus(void) { + // Read SIE device status register + SIECommand(SIE_CMD_GET_DEVICE_STATUS); + return SIEReadData(SIE_CMD_GET_DEVICE_STATUS); +} + +void SIEsetAddress(uint8_t address) { + // Write SIE device address register + SIECommand(SIE_CMD_SET_ADDRESS); + SIEWriteData((address & 0x7f) | SIE_DSA_DEV_EN); +} + +static uint8_t SIEselectEndpoint(uint8_t endpoint) { + // SIE select endpoint command + SIECommand(SIE_CMD_SELECT_ENDPOINT(endpoint)); + return SIEReadData(SIE_CMD_SELECT_ENDPOINT(endpoint)); +} + +static uint8_t SIEclearBuffer(void) { + // SIE clear buffer command + SIECommand(SIE_CMD_CLEAR_BUFFER); + return SIEReadData(SIE_CMD_CLEAR_BUFFER); +} + +static void SIEvalidateBuffer(void) { + // SIE validate buffer command + SIECommand(SIE_CMD_VALIDATE_BUFFER); +} + +static void SIEsetEndpointStatus(uint8_t endpoint, uint8_t status) { + // SIE set endpoint status command + SIECommand(SIE_CMD_SET_ENDPOINT_STATUS(endpoint)); + SIEWriteData(status); +} + +static uint16_t SIEgetFrameNumber(void) __attribute__ ((unused)); +static uint16_t SIEgetFrameNumber(void) { + // Read current frame number + uint16_t lowByte; + uint16_t highByte; + + SIECommand(SIE_CMD_READ_FRAME_NUMBER); + lowByte = SIEReadData(SIE_CMD_READ_FRAME_NUMBER); + highByte = SIEReadData(SIE_CMD_READ_FRAME_NUMBER); + + return (highByte << 8) | lowByte; +} + +static void SIEconfigureDevice(void) { + // SIE Configure device command + SIECommand(SIE_CMD_CONFIGURE_DEVICE); + SIEWriteData(SIE_CONF_DEVICE); +} + +static void SIEunconfigureDevice(void) { + // SIE Configure device command + SIECommand(SIE_CMD_CONFIGURE_DEVICE); + SIEWriteData(0); +} + +static void SIEconnect(void) { + // Connect USB device + uint8_t status = SIEgetDeviceStatus(); + SIEsetDeviceStatus(status | SIE_DS_CON); +} + + +static void SIEdisconnect(void) { + // Disconnect USB device + uint8_t status = SIEgetDeviceStatus(); + SIEsetDeviceStatus(status & ~SIE_DS_CON); +} + + +static uint8_t selectEndpointClearInterrupt(uint8_t endpoint) { + // Implemented using using EP_INT_CLR. + LPC_USB->USBEpIntClr = EP(endpoint); + while (!(LPC_USB->USBDevIntSt & CDFULL)); + return (uint8_t)LPC_USB->USBCmdData; +} + + +static void enableEndpointEvent(uint8_t endpoint) { + // Enable an endpoint interrupt + LPC_USB->USBEpIntEn |= EP(endpoint); +} + +static void disableEndpointEvent(uint8_t endpoint) __attribute__ ((unused)); +static void disableEndpointEvent(uint8_t endpoint) { + // Disable an endpoint interrupt + LPC_USB->USBEpIntEn &= ~EP(endpoint); +} + +static volatile uint32_t __attribute__((used)) dummyRead; +uint32_t USBHAL::endpointReadcore(uint8_t endpoint, uint8_t *buffer) { + // Read from an OUT endpoint + uint32_t size; + uint32_t i; + uint32_t data = 0; + uint8_t offset; + + LPC_USB->USBCtrl = LOG_ENDPOINT(endpoint) | RD_EN; + while (!(LPC_USB->USBRxPLen & PKT_RDY)); + + size = LPC_USB->USBRxPLen & PKT_LNGTH_MASK; + + offset = 0; + + if (size > 0) { + for (i=0; iUSBRxData; + } + + // extract a byte + *buffer = (data>>offset) & 0xff; + buffer++; + + // move on to the next byte + offset = (offset + 8) % 32; + } + } else { + dummyRead = LPC_USB->USBRxData; + } + + LPC_USB->USBCtrl = 0; + + if ((endpoint >> 1) % 3 || (endpoint >> 1) == 0) { + SIEselectEndpoint(endpoint); + SIEclearBuffer(); + } + + return size; +} + +static void endpointWritecore(uint8_t endpoint, uint8_t *buffer, uint32_t size) { + // Write to an IN endpoint + uint32_t temp, data; + uint8_t offset; + + LPC_USB->USBCtrl = LOG_ENDPOINT(endpoint) | WR_EN; + + LPC_USB->USBTxPLen = size; + offset = 0; + data = 0; + + if (size>0) { + do { + // Fetch next data byte into a word-sized temporary variable + temp = *buffer++; + + // Add to current data word + temp = temp << offset; + data = data | temp; + + // move on to the next byte + offset = (offset + 8) % 32; + size--; + + if ((offset==0) || (size==0)) { + // Write the word to the endpoint + LPC_USB->USBTxData = data; + data = 0; + } + } while (size>0); + } else { + LPC_USB->USBTxData = 0; + } + + // Clear WR_EN to cover zero length packet case + LPC_USB->USBCtrl=0; + + SIEselectEndpoint(endpoint); + SIEvalidateBuffer(); +} + +USBHAL::USBHAL(void) { + // Disable IRQ + NVIC_DisableIRQ(USB_IRQn); + + // fill in callback array + epCallback[0] = &USBHAL::EP1_OUT_callback; + epCallback[1] = &USBHAL::EP1_IN_callback; + epCallback[2] = &USBHAL::EP2_OUT_callback; + epCallback[3] = &USBHAL::EP2_IN_callback; + epCallback[4] = &USBHAL::EP3_OUT_callback; + epCallback[5] = &USBHAL::EP3_IN_callback; + epCallback[6] = &USBHAL::EP4_OUT_callback; + epCallback[7] = &USBHAL::EP4_IN_callback; + epCallback[8] = &USBHAL::EP5_OUT_callback; + epCallback[9] = &USBHAL::EP5_IN_callback; + epCallback[10] = &USBHAL::EP6_OUT_callback; + epCallback[11] = &USBHAL::EP6_IN_callback; + epCallback[12] = &USBHAL::EP7_OUT_callback; + epCallback[13] = &USBHAL::EP7_IN_callback; + epCallback[14] = &USBHAL::EP8_OUT_callback; + epCallback[15] = &USBHAL::EP8_IN_callback; + epCallback[16] = &USBHAL::EP9_OUT_callback; + epCallback[17] = &USBHAL::EP9_IN_callback; + epCallback[18] = &USBHAL::EP10_OUT_callback; + epCallback[19] = &USBHAL::EP10_IN_callback; + epCallback[20] = &USBHAL::EP11_OUT_callback; + epCallback[21] = &USBHAL::EP11_IN_callback; + epCallback[22] = &USBHAL::EP12_OUT_callback; + epCallback[23] = &USBHAL::EP12_IN_callback; + epCallback[24] = &USBHAL::EP13_OUT_callback; + epCallback[25] = &USBHAL::EP13_IN_callback; + epCallback[26] = &USBHAL::EP14_OUT_callback; + epCallback[27] = &USBHAL::EP14_IN_callback; + epCallback[28] = &USBHAL::EP15_OUT_callback; + epCallback[29] = &USBHAL::EP15_IN_callback; + + // Enable power to USB device controller + LPC_SC->PCONP |= PCUSB; + + // Enable USB clocks + LPC_USB->USBClkCtrl |= DEV_CLK_EN | AHB_CLK_EN; + while (LPC_USB->USBClkSt != (DEV_CLK_ON | AHB_CLK_ON)); + + // Configure pins P0.29 and P0.30 to be USB D+ and USB D- + LPC_PINCON->PINSEL1 &= 0xc3ffffff; + LPC_PINCON->PINSEL1 |= 0x14000000; + + // Disconnect USB device + SIEdisconnect(); + + // Configure pin P2.9 to be Connect + LPC_PINCON->PINSEL4 &= 0xfffcffff; + LPC_PINCON->PINSEL4 |= 0x00040000; + + // Connect must be low for at least 2.5uS + wait(0.3); + + // Set the maximum packet size for the control endpoints + realiseEndpoint(EP0IN, MAX_PACKET_SIZE_EP0, 0); + realiseEndpoint(EP0OUT, MAX_PACKET_SIZE_EP0, 0); + + // Attach IRQ + instance = this; + NVIC_SetVector(USB_IRQn, (uint32_t)&_usbisr); + + // Enable interrupts for device events and EP0 + LPC_USB->USBDevIntEn = EP_SLOW | DEV_STAT | FRAME; + enableEndpointEvent(EP0IN); + enableEndpointEvent(EP0OUT); +} + +USBHAL::~USBHAL(void) { + // Ensure device disconnected + SIEdisconnect(); + // Disable USB interrupts + NVIC_DisableIRQ(USB_IRQn); +} + +void USBHAL::connect(void) { + NVIC_EnableIRQ(USB_IRQn); + // Connect USB device + SIEconnect(); +} + +void USBHAL::disconnect(void) { + NVIC_DisableIRQ(USB_IRQn); + // Disconnect USB device + SIEdisconnect(); +} + +void USBHAL::configureDevice(void) { + SIEconfigureDevice(); +} + +void USBHAL::unconfigureDevice(void) { + SIEunconfigureDevice(); +} + +void USBHAL::setAddress(uint8_t address) { + SIEsetAddress(address); +} + +void USBHAL::EP0setup(uint8_t *buffer) { + endpointReadcore(EP0OUT, buffer); +} + +void USBHAL::EP0read(void) { + // Not required +} + +void USBHAL::EP0readStage(void) { + // Not required +} + +uint32_t USBHAL::EP0getReadResult(uint8_t *buffer) { + return endpointReadcore(EP0OUT, buffer); +} + +void USBHAL::EP0write(uint8_t *buffer, uint32_t size) { + endpointWritecore(EP0IN, buffer, size); +} + +void USBHAL::EP0getWriteResult(void) { + // Not required +} + +void USBHAL::EP0stall(void) { + // This will stall both control endpoints + stallEndpoint(EP0OUT); +} + +EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t maximumSize) { + return EP_PENDING; +} + +EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t * buffer, uint32_t *bytesRead) { + + //for isochronous endpoint, we don't wait an interrupt + if ((endpoint >> 1) % 3 || (endpoint >> 1) == 0) { + if (!(epComplete & EP(endpoint))) + return EP_PENDING; + } + + *bytesRead = endpointReadcore(endpoint, buffer); + epComplete &= ~EP(endpoint); + return EP_COMPLETED; +} + +EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size) { + if (getEndpointStallState(endpoint)) { + return EP_STALLED; + } + + epComplete &= ~EP(endpoint); + + endpointWritecore(endpoint, data, size); + return EP_PENDING; +} + +EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint) { + if (epComplete & EP(endpoint)) { + epComplete &= ~EP(endpoint); + return EP_COMPLETED; + } + + return EP_PENDING; +} + +bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t flags) { + // Realise an endpoint + LPC_USB->USBDevIntClr = EP_RLZED; + LPC_USB->USBReEp |= EP(endpoint); + LPC_USB->USBEpInd = endpoint; + LPC_USB->USBMaxPSize = maxPacket; + + while (!(LPC_USB->USBDevIntSt & EP_RLZED)); + LPC_USB->USBDevIntClr = EP_RLZED; + + // Clear stall state + endpointStallState &= ~EP(endpoint); + + enableEndpointEvent(endpoint); + return true; +} + +void USBHAL::stallEndpoint(uint8_t endpoint) { + // Stall an endpoint + if ( (endpoint==EP0IN) || (endpoint==EP0OUT) ) { + // Conditionally stall both control endpoints + SIEsetEndpointStatus(EP0OUT, SIE_SES_CND_ST); + } else { + SIEsetEndpointStatus(endpoint, SIE_SES_ST); + + // Update stall state + endpointStallState |= EP(endpoint); + } +} + +void USBHAL::unstallEndpoint(uint8_t endpoint) { + // Unstall an endpoint. The endpoint will also be reinitialised + SIEsetEndpointStatus(endpoint, 0); + + // Update stall state + endpointStallState &= ~EP(endpoint); +} + +bool USBHAL::getEndpointStallState(uint8_t endpoint) { + // Returns true if endpoint stalled + return endpointStallState & EP(endpoint); +} + +void USBHAL::remoteWakeup(void) { + // Remote wakeup + uint8_t status; + + // Enable USB clocks + LPC_USB->USBClkCtrl |= DEV_CLK_EN | AHB_CLK_EN; + while (LPC_USB->USBClkSt != (DEV_CLK_ON | AHB_CLK_ON)); + + status = SIEgetDeviceStatus(); + SIEsetDeviceStatus(status & ~SIE_DS_SUS); +} + +void USBHAL::_usbisr(void) { + instance->usbisr(); +} + + +void USBHAL::usbisr(void) { + uint8_t devStat; + + if (LPC_USB->USBDevIntSt & FRAME) { + // Start of frame event + SOF(SIEgetFrameNumber()); + // Clear interrupt status flag + LPC_USB->USBDevIntClr = FRAME; + } + + if (LPC_USB->USBDevIntSt & DEV_STAT) { + // Device Status interrupt + // Must clear the interrupt status flag before reading the device status from the SIE + LPC_USB->USBDevIntClr = DEV_STAT; + + // Read device status from SIE + devStat = SIEgetDeviceStatus(); + //printf("devStat: %d\r\n", devStat); + + if (devStat & SIE_DS_SUS_CH) { + // Suspend status changed + if((devStat & SIE_DS_SUS) != 0) { + suspendStateChanged(0); + } + } + + if (devStat & SIE_DS_RST) { + // Bus reset + if((devStat & SIE_DS_SUS) == 0) { + suspendStateChanged(1); + } + busReset(); + } + } + + if (LPC_USB->USBDevIntSt & EP_SLOW) { + // (Slow) Endpoint Interrupt + + // Process each endpoint interrupt + if (LPC_USB->USBEpIntSt & EP(EP0OUT)) { + if (selectEndpointClearInterrupt(EP0OUT) & SIE_SE_STP) { + // this is a setup packet + EP0setupCallback(); + } else { + EP0out(); + } + LPC_USB->USBDevIntClr = EP_SLOW; + } + + if (LPC_USB->USBEpIntSt & EP(EP0IN)) { + selectEndpointClearInterrupt(EP0IN); + LPC_USB->USBDevIntClr = EP_SLOW; + EP0in(); + } + + for (uint8_t num = 2; num < 16*2; num++) { + if (LPC_USB->USBEpIntSt & EP(num)) { + selectEndpointClearInterrupt(num); + epComplete |= EP(num); + LPC_USB->USBDevIntClr = EP_SLOW; + if ((instance->*(epCallback[num - 2]))()) { + epComplete &= ~EP(num); + } + } + } + } +} + +#endif diff --git a/libraries/USBDevice/USBHID/USBHID.cpp b/libraries/USBDevice/USBHID/USBHID.cpp new file mode 100644 index 0000000000..c51493bbb0 --- /dev/null +++ b/libraries/USBDevice/USBHID/USBHID.cpp @@ -0,0 +1,273 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include "stdint.h" +#include "USBHAL.h" +#include "USBHID.h" + + +USBHID::USBHID(uint8_t output_report_length, uint8_t input_report_length, uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect): USBDevice(vendor_id, product_id, product_release) +{ + output_length = output_report_length; + input_length = input_report_length; + if(connect) { + USBDevice::connect(); + } +} + + +bool USBHID::send(HID_REPORT *report) +{ + return write(EPINT_IN, report->data, report->length, MAX_HID_REPORT_SIZE); +} + +bool USBHID::sendNB(HID_REPORT *report) +{ + return writeNB(EPINT_IN, report->data, report->length, MAX_HID_REPORT_SIZE); +} + + +bool USBHID::read(HID_REPORT *report) +{ + uint32_t bytesRead = 0; + bool result; + result = USBDevice::readEP(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE); + if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE)) + return false; + report->length = bytesRead; + return result; +} + + +bool USBHID::readNB(HID_REPORT *report) +{ + uint32_t bytesRead = 0; + bool result; + result = USBDevice::readEP_NB(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE); + report->length = bytesRead; + if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE)) + return false; + return result; +} + + +uint16_t USBHID::reportDescLength() { + reportDesc(); + return reportLength; +} + + + +// +// Route callbacks from lower layers to class(es) +// + + +// Called in ISR context +// Called by USBDevice on Endpoint0 request +// This is used to handle extensions to standard requests +// and class specific requests +// Return true if class handles this request +bool USBHID::USBCallback_request() { + bool success = false; + CONTROL_TRANSFER * transfer = getTransferPtr(); + uint8_t *hidDescriptor; + + // Process additional standard requests + + if ((transfer->setup.bmRequestType.Type == STANDARD_TYPE)) + { + switch (transfer->setup.bRequest) + { + case GET_DESCRIPTOR: + switch (DESCRIPTOR_TYPE(transfer->setup.wValue)) + { + case REPORT_DESCRIPTOR: + if ((reportDesc() != NULL) \ + && (reportDescLength() != 0)) + { + transfer->remaining = reportDescLength(); + transfer->ptr = reportDesc(); + transfer->direction = DEVICE_TO_HOST; + success = true; + } + break; + case HID_DESCRIPTOR: + // Find the HID descriptor, after the configuration descriptor + hidDescriptor = findDescriptor(HID_DESCRIPTOR); + if (hidDescriptor != NULL) + { + transfer->remaining = HID_DESCRIPTOR_LENGTH; + transfer->ptr = hidDescriptor; + transfer->direction = DEVICE_TO_HOST; + success = true; + } + break; + + default: + break; + } + break; + default: + break; + } + } + + // Process class-specific requests + + if (transfer->setup.bmRequestType.Type == CLASS_TYPE) + { + switch (transfer->setup.bRequest) + { + case SET_REPORT: + // First byte will be used for report ID + outputReport.data[0] = transfer->setup.wValue & 0xff; + outputReport.length = transfer->setup.wLength + 1; + + transfer->remaining = sizeof(outputReport.data) - 1; + transfer->ptr = &outputReport.data[1]; + transfer->direction = HOST_TO_DEVICE; + transfer->notify = true; + success = true; + default: + break; + } + } + + return success; +} + + +#define DEFAULT_CONFIGURATION (1) + + +// Called in ISR context +// Set configuration. Return false if the +// configuration is not supported +bool USBHID::USBCallback_setConfiguration(uint8_t configuration) { + if (configuration != DEFAULT_CONFIGURATION) { + return false; + } + + // Configure endpoints > 0 + addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT); + addEndpoint(EPINT_OUT, MAX_PACKET_SIZE_EPINT); + + // We activate the endpoint to be able to recceive data + readStart(EPINT_OUT, MAX_PACKET_SIZE_EPINT); + return true; +} + + +uint8_t * USBHID::stringIinterfaceDesc() { + static uint8_t stringIinterfaceDescriptor[] = { + 0x08, //bLength + STRING_DESCRIPTOR, //bDescriptorType 0x03 + 'H',0,'I',0,'D',0, //bString iInterface - HID + }; + return stringIinterfaceDescriptor; +} + +uint8_t * USBHID::stringIproductDesc() { + static uint8_t stringIproductDescriptor[] = { + 0x16, //bLength + STRING_DESCRIPTOR, //bDescriptorType 0x03 + 'H',0,'I',0,'D',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 //bString iProduct - HID device + }; + return stringIproductDescriptor; +} + + + +uint8_t * USBHID::reportDesc() { + static uint8_t reportDescriptor[] = { + 0x06, LSB(0xFFAB), MSB(0xFFAB), + 0x0A, LSB(0x0200), MSB(0x0200), + 0xA1, 0x01, // Collection 0x01 + 0x75, 0x08, // report size = 8 bits + 0x15, 0x00, // logical minimum = 0 + 0x26, 0xFF, 0x00, // logical maximum = 255 + 0x95, input_length, // report count + 0x09, 0x01, // usage + 0x81, 0x02, // Input (array) + 0x95, output_length,// report count + 0x09, 0x02, // usage + 0x91, 0x02, // Output (array) + 0xC0 // end collection + + }; + reportLength = sizeof(reportDescriptor); + return reportDescriptor; +} + +#define DEFAULT_CONFIGURATION (1) +#define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \ + + (1 * INTERFACE_DESCRIPTOR_LENGTH) \ + + (1 * HID_DESCRIPTOR_LENGTH) \ + + (2 * ENDPOINT_DESCRIPTOR_LENGTH)) + +uint8_t * USBHID::configurationDesc() { + static uint8_t configurationDescriptor[] = { + CONFIGURATION_DESCRIPTOR_LENGTH,// bLength + CONFIGURATION_DESCRIPTOR, // bDescriptorType + LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB) + MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB) + 0x01, // bNumInterfaces + DEFAULT_CONFIGURATION, // bConfigurationValue + 0x00, // iConfiguration + C_RESERVED | C_SELF_POWERED, // bmAttributes + C_POWER(0), // bMaxPower + + INTERFACE_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR, // bDescriptorType + 0x00, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x02, // bNumEndpoints + HID_CLASS, // bInterfaceClass + HID_SUBCLASS_NONE, // bInterfaceSubClass + HID_PROTOCOL_NONE, // bInterfaceProtocol + 0x00, // iInterface + + HID_DESCRIPTOR_LENGTH, // bLength + HID_DESCRIPTOR, // bDescriptorType + LSB(HID_VERSION_1_11), // bcdHID (LSB) + MSB(HID_VERSION_1_11), // bcdHID (MSB) + 0x00, // bCountryCode + 0x01, // bNumDescriptors + REPORT_DESCRIPTOR, // bDescriptorType + LSB(this->reportDescLength()), // wDescriptorLength (LSB) + MSB(this->reportDescLength()), // wDescriptorLength (MSB) + + ENDPOINT_DESCRIPTOR_LENGTH, // bLength + ENDPOINT_DESCRIPTOR, // bDescriptorType + PHY_TO_DESC(EPINT_IN), // bEndpointAddress + E_INTERRUPT, // bmAttributes + LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) + MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) + 1, // bInterval (milliseconds) + + ENDPOINT_DESCRIPTOR_LENGTH, // bLength + ENDPOINT_DESCRIPTOR, // bDescriptorType + PHY_TO_DESC(EPINT_OUT), // bEndpointAddress + E_INTERRUPT, // bmAttributes + LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) + MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) + 1, // bInterval (milliseconds) + }; + return configurationDescriptor; +} diff --git a/libraries/USBDevice/USBHID/USBHID.h b/libraries/USBDevice/USBHID/USBHID.h new file mode 100644 index 0000000000..16e20073b4 --- /dev/null +++ b/libraries/USBDevice/USBHID/USBHID.h @@ -0,0 +1,172 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USB_HID_H +#define USB_HID_H + +/* These headers are included for child class. */ +#include "USBEndpoints.h" +#include "USBDescriptor.h" +#include "USBDevice_Types.h" + +#include "USBHID_Types.h" +#include "USBDevice.h" + + +/** + * USBHID example + * @code + * #include "mbed.h" + * #include "USBHID.h" + * + * USBHID hid; + * HID_REPORT recv; + * BusOut leds(LED1,LED2,LED3,LED4); + * + * int main(void) { + * while (1) { + * hid.read(&recv); + * leds = recv.data[0]; + * } + * } + * @endcode + */ + +class USBHID: public USBDevice { +public: + + /** + * Constructor + * + * @param output_report_length Maximum length of a sent report (up to 64 bytes) (default: 64 bytes) + * @param input_report_length Maximum length of a received report (up to 64 bytes) (default: 64 bytes) + * @param vendor_id Your vendor_id + * @param product_id Your product_id + * @param product_release Your preoduct_release + * @param connect Connect the device + */ + USBHID(uint8_t output_report_length = 64, uint8_t input_report_length = 64, uint16_t vendor_id = 0x1234, uint16_t product_id = 0x0006, uint16_t product_release = 0x0001, bool connect = true); + + + /** + * Send a Report. warning: blocking + * + * @param report Report which will be sent (a report is defined by all data and the length) + * @returns true if successful + */ + bool send(HID_REPORT *report); + + + /** + * Send a Report. warning: non blocking + * + * @param report Report which will be sent (a report is defined by all data and the length) + * @returns true if successful + */ + bool sendNB(HID_REPORT *report); + + /** + * Read a report: blocking + * + * @param report pointer to the report to fill + * @returns true if successful + */ + bool read(HID_REPORT * report); + + /** + * Read a report: non blocking + * + * @param report pointer to the report to fill + * @returns true if successful + */ + bool readNB(HID_REPORT * report); + +protected: + uint16_t reportLength; + + /* + * Get the Report descriptor + * + * @returns pointer to the report descriptor + */ + virtual uint8_t * reportDesc(); + + /* + * Get the length of the report descriptor + * + * @returns the length of the report descriptor + */ + virtual uint16_t reportDescLength(); + + /* + * Get string product descriptor + * + * @returns pointer to the string product descriptor + */ + virtual uint8_t * stringIproductDesc(); + + /* + * Get string interface descriptor + * + * @returns pointer to the string interface descriptor + */ + virtual uint8_t * stringIinterfaceDesc(); + + /* + * Get configuration descriptor + * + * @returns pointer to the configuration descriptor + */ + virtual uint8_t * configurationDesc(); + + + /* + * HID Report received by SET_REPORT request. Warning: Called in ISR context + * First byte of data will be the report ID + * + * @param report Data and length received + */ + virtual void HID_callbackSetReport(HID_REPORT *report){}; + + + /* + * Called by USBDevice on Endpoint0 request. Warning: Called in ISR context + * This is used to handle extensions to standard requests + * and class specific requests + * + * @returns true if class handles this request + */ + virtual bool USBCallback_request(); + + + /* + * Called by USBDevice layer. Set configuration of the device. + * For instance, you can add all endpoints that you need on this function. + * + * @param configuration Number of the configuration + * @returns true if class handles this request + */ + virtual bool USBCallback_setConfiguration(uint8_t configuration); + +private: + HID_REPORT outputReport; + uint8_t output_length; + uint8_t input_length; +}; + +#endif diff --git a/libraries/USBDevice/USBHID/USBHID_Types.h b/libraries/USBDevice/USBHID/USBHID_Types.h new file mode 100644 index 0000000000..b8b181bedd --- /dev/null +++ b/libraries/USBDevice/USBHID/USBHID_Types.h @@ -0,0 +1,91 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USBCLASS_HID_TYPES +#define USBCLASS_HID_TYPES + +#include + +/* */ +#define HID_VERSION_1_11 (0x0111) + +/* HID Class */ +#define HID_CLASS (3) +#define HID_SUBCLASS_NONE (0) +#define HID_PROTOCOL_NONE (0) + +/* Descriptors */ +#define HID_DESCRIPTOR (33) +#define HID_DESCRIPTOR_LENGTH (0x09) +#define REPORT_DESCRIPTOR (34) + +/* Class requests */ +#define GET_REPORT (0x1) +#define GET_IDLE (0x2) +#define SET_REPORT (0x9) +#define SET_IDLE (0xa) + +/* HID Class Report Descriptor */ +/* Short items: size is 0, 1, 2 or 3 specifying 0, 1, 2 or 4 (four) bytes */ +/* of data as per HID Class standard */ + +/* Main items */ +#define INPUT(size) (0x80 | size) +#define OUTPUT(size) (0x90 | size) +#define FEATURE(size) (0xb0 | size) +#define COLLECTION(size) (0xa0 | size) +#define END_COLLECTION(size) (0xc0 | size) + +/* Global items */ +#define USAGE_PAGE(size) (0x04 | size) +#define LOGICAL_MINIMUM(size) (0x14 | size) +#define LOGICAL_MAXIMUM(size) (0x24 | size) +#define PHYSICAL_MINIMUM(size) (0x34 | size) +#define PHYSICAL_MAXIMUM(size) (0x44 | size) +#define UNIT_EXPONENT(size) (0x54 | size) +#define UNIT(size) (0x64 | size) +#define REPORT_SIZE(size) (0x74 | size) +#define REPORT_ID(size) (0x84 | size) +#define REPORT_COUNT(size) (0x94 | size) +#define PUSH(size) (0xa4 | size) +#define POP(size) (0xb4 | size) + +/* Local items */ +#define USAGE(size) (0x08 | size) +#define USAGE_MINIMUM(size) (0x18 | size) +#define USAGE_MAXIMUM(size) (0x28 | size) +#define DESIGNATOR_INDEX(size) (0x38 | size) +#define DESIGNATOR_MINIMUM(size) (0x48 | size) +#define DESIGNATOR_MAXIMUM(size) (0x58 | size) +#define STRING_INDEX(size) (0x78 | size) +#define STRING_MINIMUM(size) (0x88 | size) +#define STRING_MAXIMUM(size) (0x98 | size) +#define DELIMITER(size) (0xa8 | size) + +/* HID Report */ +/* Where report IDs are used the first byte of 'data' will be the */ +/* report ID and 'length' will include this report ID byte. */ + +#define MAX_HID_REPORT_SIZE (64) + +typedef struct { + uint32_t length; + uint8_t data[MAX_HID_REPORT_SIZE]; +} HID_REPORT; + +#endif diff --git a/libraries/USBDevice/USBHID/USBKeyboard.cpp b/libraries/USBDevice/USBHID/USBKeyboard.cpp new file mode 100644 index 0000000000..1c47b4a1a7 --- /dev/null +++ b/libraries/USBDevice/USBHID/USBKeyboard.cpp @@ -0,0 +1,553 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include "stdint.h" + +#include "USBKeyboard.h" + +#define REPORT_ID_KEYBOARD 1 +#define REPORT_ID_VOLUME 3 + + +typedef struct { + unsigned char usage; + unsigned char modifier; +} KEYMAP; + +#ifdef US_KEYBOARD +/* US keyboard (as HID standard) */ +#define KEYMAP_SIZE (152) +const KEYMAP keymap[KEYMAP_SIZE] = { + {0, 0}, /* NUL */ + {0, 0}, /* SOH */ + {0, 0}, /* STX */ + {0, 0}, /* ETX */ + {0, 0}, /* EOT */ + {0, 0}, /* ENQ */ + {0, 0}, /* ACK */ + {0, 0}, /* BEL */ + {0x2a, 0}, /* BS */ /* Keyboard Delete (Backspace) */ + {0x2b, 0}, /* TAB */ /* Keyboard Tab */ + {0x28, 0}, /* LF */ /* Keyboard Return (Enter) */ + {0, 0}, /* VT */ + {0, 0}, /* FF */ + {0, 0}, /* CR */ + {0, 0}, /* SO */ + {0, 0}, /* SI */ + {0, 0}, /* DEL */ + {0, 0}, /* DC1 */ + {0, 0}, /* DC2 */ + {0, 0}, /* DC3 */ + {0, 0}, /* DC4 */ + {0, 0}, /* NAK */ + {0, 0}, /* SYN */ + {0, 0}, /* ETB */ + {0, 0}, /* CAN */ + {0, 0}, /* EM */ + {0, 0}, /* SUB */ + {0, 0}, /* ESC */ + {0, 0}, /* FS */ + {0, 0}, /* GS */ + {0, 0}, /* RS */ + {0, 0}, /* US */ + {0x2c, 0}, /* */ + {0x1e, KEY_SHIFT}, /* ! */ + {0x34, KEY_SHIFT}, /* " */ + {0x20, KEY_SHIFT}, /* # */ + {0x21, KEY_SHIFT}, /* $ */ + {0x22, KEY_SHIFT}, /* % */ + {0x24, KEY_SHIFT}, /* & */ + {0x34, 0}, /* ' */ + {0x26, KEY_SHIFT}, /* ( */ + {0x27, KEY_SHIFT}, /* ) */ + {0x25, KEY_SHIFT}, /* * */ + {0x2e, KEY_SHIFT}, /* + */ + {0x36, 0}, /* , */ + {0x2d, 0}, /* - */ + {0x37, 0}, /* . */ + {0x38, 0}, /* / */ + {0x27, 0}, /* 0 */ + {0x1e, 0}, /* 1 */ + {0x1f, 0}, /* 2 */ + {0x20, 0}, /* 3 */ + {0x21, 0}, /* 4 */ + {0x22, 0}, /* 5 */ + {0x23, 0}, /* 6 */ + {0x24, 0}, /* 7 */ + {0x25, 0}, /* 8 */ + {0x26, 0}, /* 9 */ + {0x33, KEY_SHIFT}, /* : */ + {0x33, 0}, /* ; */ + {0x36, KEY_SHIFT}, /* < */ + {0x2e, 0}, /* = */ + {0x37, KEY_SHIFT}, /* > */ + {0x38, KEY_SHIFT}, /* ? */ + {0x1f, KEY_SHIFT}, /* @ */ + {0x04, KEY_SHIFT}, /* A */ + {0x05, KEY_SHIFT}, /* B */ + {0x06, KEY_SHIFT}, /* C */ + {0x07, KEY_SHIFT}, /* D */ + {0x08, KEY_SHIFT}, /* E */ + {0x09, KEY_SHIFT}, /* F */ + {0x0a, KEY_SHIFT}, /* G */ + {0x0b, KEY_SHIFT}, /* H */ + {0x0c, KEY_SHIFT}, /* I */ + {0x0d, KEY_SHIFT}, /* J */ + {0x0e, KEY_SHIFT}, /* K */ + {0x0f, KEY_SHIFT}, /* L */ + {0x10, KEY_SHIFT}, /* M */ + {0x11, KEY_SHIFT}, /* N */ + {0x12, KEY_SHIFT}, /* O */ + {0x13, KEY_SHIFT}, /* P */ + {0x14, KEY_SHIFT}, /* Q */ + {0x15, KEY_SHIFT}, /* R */ + {0x16, KEY_SHIFT}, /* S */ + {0x17, KEY_SHIFT}, /* T */ + {0x18, KEY_SHIFT}, /* U */ + {0x19, KEY_SHIFT}, /* V */ + {0x1a, KEY_SHIFT}, /* W */ + {0x1b, KEY_SHIFT}, /* X */ + {0x1c, KEY_SHIFT}, /* Y */ + {0x1d, KEY_SHIFT}, /* Z */ + {0x2f, 0}, /* [ */ + {0x31, 0}, /* \ */ + {0x30, 0}, /* ] */ + {0x23, KEY_SHIFT}, /* ^ */ + {0x2d, KEY_SHIFT}, /* _ */ + {0x35, 0}, /* ` */ + {0x04, 0}, /* a */ + {0x05, 0}, /* b */ + {0x06, 0}, /* c */ + {0x07, 0}, /* d */ + {0x08, 0}, /* e */ + {0x09, 0}, /* f */ + {0x0a, 0}, /* g */ + {0x0b, 0}, /* h */ + {0x0c, 0}, /* i */ + {0x0d, 0}, /* j */ + {0x0e, 0}, /* k */ + {0x0f, 0}, /* l */ + {0x10, 0}, /* m */ + {0x11, 0}, /* n */ + {0x12, 0}, /* o */ + {0x13, 0}, /* p */ + {0x14, 0}, /* q */ + {0x15, 0}, /* r */ + {0x16, 0}, /* s */ + {0x17, 0}, /* t */ + {0x18, 0}, /* u */ + {0x19, 0}, /* v */ + {0x1a, 0}, /* w */ + {0x1b, 0}, /* x */ + {0x1c, 0}, /* y */ + {0x1d, 0}, /* z */ + {0x2f, KEY_SHIFT}, /* { */ + {0x31, KEY_SHIFT}, /* | */ + {0x30, KEY_SHIFT}, /* } */ + {0x35, KEY_SHIFT}, /* ~ */ + {0,0}, /* DEL */ + + {0x3a, 0}, /* F1 */ + {0x3b, 0}, /* F2 */ + {0x3c, 0}, /* F3 */ + {0x3d, 0}, /* F4 */ + {0x3e, 0}, /* F5 */ + {0x3f, 0}, /* F6 */ + {0x40, 0}, /* F7 */ + {0x41, 0}, /* F8 */ + {0x42, 0}, /* F9 */ + {0x43, 0}, /* F10 */ + {0x44, 0}, /* F11 */ + {0x45, 0}, /* F12 */ + + {0x46, 0}, /* PRINT_SCREEN */ + {0x47, 0}, /* SCROLL_LOCK */ + {0x39, 0}, /* CAPS_LOCK */ + {0x53, 0}, /* NUM_LOCK */ + {0x49, 0}, /* INSERT */ + {0x4a, 0}, /* HOME */ + {0x4b, 0}, /* PAGE_UP */ + {0x4e, 0}, /* PAGE_DOWN */ + + {0x4f, 0}, /* RIGHT_ARROW */ + {0x50, 0}, /* LEFT_ARROW */ + {0x51, 0}, /* DOWN_ARROW */ + {0x52, 0}, /* UP_ARROW */ +}; + +#else +/* UK keyboard */ +#define KEYMAP_SIZE (152) +const KEYMAP keymap[KEYMAP_SIZE] = { + {0, 0}, /* NUL */ + {0, 0}, /* SOH */ + {0, 0}, /* STX */ + {0, 0}, /* ETX */ + {0, 0}, /* EOT */ + {0, 0}, /* ENQ */ + {0, 0}, /* ACK */ + {0, 0}, /* BEL */ + {0x2a, 0}, /* BS */ /* Keyboard Delete (Backspace) */ + {0x2b, 0}, /* TAB */ /* Keyboard Tab */ + {0x28, 0}, /* LF */ /* Keyboard Return (Enter) */ + {0, 0}, /* VT */ + {0, 0}, /* FF */ + {0, 0}, /* CR */ + {0, 0}, /* SO */ + {0, 0}, /* SI */ + {0, 0}, /* DEL */ + {0, 0}, /* DC1 */ + {0, 0}, /* DC2 */ + {0, 0}, /* DC3 */ + {0, 0}, /* DC4 */ + {0, 0}, /* NAK */ + {0, 0}, /* SYN */ + {0, 0}, /* ETB */ + {0, 0}, /* CAN */ + {0, 0}, /* EM */ + {0, 0}, /* SUB */ + {0, 0}, /* ESC */ + {0, 0}, /* FS */ + {0, 0}, /* GS */ + {0, 0}, /* RS */ + {0, 0}, /* US */ + {0x2c, 0}, /* */ + {0x1e, KEY_SHIFT}, /* ! */ + {0x1f, KEY_SHIFT}, /* " */ + {0x32, 0}, /* # */ + {0x21, KEY_SHIFT}, /* $ */ + {0x22, KEY_SHIFT}, /* % */ + {0x24, KEY_SHIFT}, /* & */ + {0x34, 0}, /* ' */ + {0x26, KEY_SHIFT}, /* ( */ + {0x27, KEY_SHIFT}, /* ) */ + {0x25, KEY_SHIFT}, /* * */ + {0x2e, KEY_SHIFT}, /* + */ + {0x36, 0}, /* , */ + {0x2d, 0}, /* - */ + {0x37, 0}, /* . */ + {0x38, 0}, /* / */ + {0x27, 0}, /* 0 */ + {0x1e, 0}, /* 1 */ + {0x1f, 0}, /* 2 */ + {0x20, 0}, /* 3 */ + {0x21, 0}, /* 4 */ + {0x22, 0}, /* 5 */ + {0x23, 0}, /* 6 */ + {0x24, 0}, /* 7 */ + {0x25, 0}, /* 8 */ + {0x26, 0}, /* 9 */ + {0x33, KEY_SHIFT}, /* : */ + {0x33, 0}, /* ; */ + {0x36, KEY_SHIFT}, /* < */ + {0x2e, 0}, /* = */ + {0x37, KEY_SHIFT}, /* > */ + {0x38, KEY_SHIFT}, /* ? */ + {0x34, KEY_SHIFT}, /* @ */ + {0x04, KEY_SHIFT}, /* A */ + {0x05, KEY_SHIFT}, /* B */ + {0x06, KEY_SHIFT}, /* C */ + {0x07, KEY_SHIFT}, /* D */ + {0x08, KEY_SHIFT}, /* E */ + {0x09, KEY_SHIFT}, /* F */ + {0x0a, KEY_SHIFT}, /* G */ + {0x0b, KEY_SHIFT}, /* H */ + {0x0c, KEY_SHIFT}, /* I */ + {0x0d, KEY_SHIFT}, /* J */ + {0x0e, KEY_SHIFT}, /* K */ + {0x0f, KEY_SHIFT}, /* L */ + {0x10, KEY_SHIFT}, /* M */ + {0x11, KEY_SHIFT}, /* N */ + {0x12, KEY_SHIFT}, /* O */ + {0x13, KEY_SHIFT}, /* P */ + {0x14, KEY_SHIFT}, /* Q */ + {0x15, KEY_SHIFT}, /* R */ + {0x16, KEY_SHIFT}, /* S */ + {0x17, KEY_SHIFT}, /* T */ + {0x18, KEY_SHIFT}, /* U */ + {0x19, KEY_SHIFT}, /* V */ + {0x1a, KEY_SHIFT}, /* W */ + {0x1b, KEY_SHIFT}, /* X */ + {0x1c, KEY_SHIFT}, /* Y */ + {0x1d, KEY_SHIFT}, /* Z */ + {0x2f, 0}, /* [ */ + {0x64, 0}, /* \ */ + {0x30, 0}, /* ] */ + {0x23, KEY_SHIFT}, /* ^ */ + {0x2d, KEY_SHIFT}, /* _ */ + {0x35, 0}, /* ` */ + {0x04, 0}, /* a */ + {0x05, 0}, /* b */ + {0x06, 0}, /* c */ + {0x07, 0}, /* d */ + {0x08, 0}, /* e */ + {0x09, 0}, /* f */ + {0x0a, 0}, /* g */ + {0x0b, 0}, /* h */ + {0x0c, 0}, /* i */ + {0x0d, 0}, /* j */ + {0x0e, 0}, /* k */ + {0x0f, 0}, /* l */ + {0x10, 0}, /* m */ + {0x11, 0}, /* n */ + {0x12, 0}, /* o */ + {0x13, 0}, /* p */ + {0x14, 0}, /* q */ + {0x15, 0}, /* r */ + {0x16, 0}, /* s */ + {0x17, 0}, /* t */ + {0x18, 0}, /* u */ + {0x19, 0}, /* v */ + {0x1a, 0}, /* w */ + {0x1b, 0}, /* x */ + {0x1c, 0}, /* y */ + {0x1d, 0}, /* z */ + {0x2f, KEY_SHIFT}, /* { */ + {0x64, KEY_SHIFT}, /* | */ + {0x30, KEY_SHIFT}, /* } */ + {0x32, KEY_SHIFT}, /* ~ */ + {0,0}, /* DEL */ + + {0x3a, 0}, /* F1 */ + {0x3b, 0}, /* F2 */ + {0x3c, 0}, /* F3 */ + {0x3d, 0}, /* F4 */ + {0x3e, 0}, /* F5 */ + {0x3f, 0}, /* F6 */ + {0x40, 0}, /* F7 */ + {0x41, 0}, /* F8 */ + {0x42, 0}, /* F9 */ + {0x43, 0}, /* F10 */ + {0x44, 0}, /* F11 */ + {0x45, 0}, /* F12 */ + + {0x46, 0}, /* PRINT_SCREEN */ + {0x47, 0}, /* SCROLL_LOCK */ + {0x39, 0}, /* CAPS_LOCK */ + {0x53, 0}, /* NUM_LOCK */ + {0x49, 0}, /* INSERT */ + {0x4a, 0}, /* HOME */ + {0x4b, 0}, /* PAGE_UP */ + {0x4e, 0}, /* PAGE_DOWN */ + + {0x4f, 0}, /* RIGHT_ARROW */ + {0x50, 0}, /* LEFT_ARROW */ + {0x51, 0}, /* DOWN_ARROW */ + {0x52, 0}, /* UP_ARROW */ +}; +#endif + +uint8_t * USBKeyboard::reportDesc() { + static uint8_t reportDescriptor[] = { + USAGE_PAGE(1), 0x01, // Generic Desktop + USAGE(1), 0x06, // Keyboard + COLLECTION(1), 0x01, // Application + REPORT_ID(1), REPORT_ID_KEYBOARD, + + USAGE_PAGE(1), 0x07, // Key Codes + USAGE_MINIMUM(1), 0xE0, + USAGE_MAXIMUM(1), 0xE7, + LOGICAL_MINIMUM(1), 0x00, + LOGICAL_MAXIMUM(1), 0x01, + REPORT_SIZE(1), 0x01, + REPORT_COUNT(1), 0x08, + INPUT(1), 0x02, // Data, Variable, Absolute + REPORT_COUNT(1), 0x01, + REPORT_SIZE(1), 0x08, + INPUT(1), 0x01, // Constant + + + REPORT_COUNT(1), 0x05, + REPORT_SIZE(1), 0x01, + USAGE_PAGE(1), 0x08, // LEDs + USAGE_MINIMUM(1), 0x01, + USAGE_MAXIMUM(1), 0x05, + OUTPUT(1), 0x02, // Data, Variable, Absolute + REPORT_COUNT(1), 0x01, + REPORT_SIZE(1), 0x03, + OUTPUT(1), 0x01, // Constant + + + REPORT_COUNT(1), 0x06, + REPORT_SIZE(1), 0x08, + LOGICAL_MINIMUM(1), 0x00, + LOGICAL_MAXIMUM(1), 0x65, + USAGE_PAGE(1), 0x07, // Key Codes + USAGE_MINIMUM(1), 0x00, + USAGE_MAXIMUM(1), 0x65, + INPUT(1), 0x00, // Data, Array + END_COLLECTION(0), + + // Media Control + USAGE_PAGE(1), 0x0C, + USAGE(1), 0x01, + COLLECTION(1), 0x01, + REPORT_ID(1), REPORT_ID_VOLUME, + USAGE_PAGE(1), 0x0C, + LOGICAL_MINIMUM(1), 0x00, + LOGICAL_MAXIMUM(1), 0x01, + REPORT_SIZE(1), 0x01, + REPORT_COUNT(1), 0x07, + USAGE(1), 0xB5, // Next Track + USAGE(1), 0xB6, // Previous Track + USAGE(1), 0xB7, // Stop + USAGE(1), 0xCD, // Play / Pause + USAGE(1), 0xE2, // Mute + USAGE(1), 0xE9, // Volume Up + USAGE(1), 0xEA, // Volume Down + INPUT(1), 0x02, // Input (Data, Variable, Absolute) + REPORT_COUNT(1), 0x01, + INPUT(1), 0x01, + END_COLLECTION(0), + }; + reportLength = sizeof(reportDescriptor); + return reportDescriptor; +} + + +bool USBKeyboard::EP1_OUT_callback() { + uint32_t bytesRead = 0; + uint8_t led[65]; + USBDevice::readEP(EPINT_OUT, led, &bytesRead, MAX_HID_REPORT_SIZE); + + // we take led[1] because led[0] is the report ID + lock_status = led[1] & 0x07; + + // We activate the endpoint to be able to recceive data + if (!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE)) + return false; + return true; +} + +uint8_t USBKeyboard::lockStatus() { + return lock_status; +} + +int USBKeyboard::_putc(int c) { + return keyCode(c, keymap[c].modifier); +} + +bool USBKeyboard::keyCode(uint8_t key, uint8_t modifier) { + // Send a simulated keyboard keypress. Returns true if successful. + HID_REPORT report; + + report.data[0] = REPORT_ID_KEYBOARD; + report.data[1] = modifier; + report.data[2] = 0; + report.data[3] = keymap[key].usage; + report.data[4] = 0; + report.data[5] = 0; + report.data[6] = 0; + report.data[7] = 0; + report.data[8] = 0; + + report.length = 9; + + if (!send(&report)) { + return false; + } + + report.data[1] = 0; + report.data[3] = 0; + + if (!send(&report)) { + return false; + } + + return true; + +} + + +bool USBKeyboard::mediaControl(MEDIA_KEY key) { + HID_REPORT report; + + report.data[0] = REPORT_ID_VOLUME; + report.data[1] = (1 << key) & 0x7f; + + report.length = 2; + + if (!send(&report)) { + return false; + } + + report.data[0] = REPORT_ID_VOLUME; + report.data[1] = 0; + + report.length = 2; + + return send(&report); +} + + +#define DEFAULT_CONFIGURATION (1) +#define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \ + + (1 * INTERFACE_DESCRIPTOR_LENGTH) \ + + (1 * HID_DESCRIPTOR_LENGTH) \ + + (2 * ENDPOINT_DESCRIPTOR_LENGTH)) + +uint8_t * USBKeyboard::configurationDesc() { + static uint8_t configurationDescriptor[] = { + CONFIGURATION_DESCRIPTOR_LENGTH,// bLength + CONFIGURATION_DESCRIPTOR, // bDescriptorType + LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB) + MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB) + 0x01, // bNumInterfaces + DEFAULT_CONFIGURATION, // bConfigurationValue + 0x00, // iConfiguration + C_RESERVED | C_SELF_POWERED, // bmAttributes + C_POWER(0), // bMaxPowerHello World from Mbed + + INTERFACE_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR, // bDescriptorType + 0x00, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x02, // bNumEndpoints + HID_CLASS, // bInterfaceClass + 1, // bInterfaceSubClass + 1, // bInterfaceProtocol (keyboard) + 0x00, // iInterface + + HID_DESCRIPTOR_LENGTH, // bLength + HID_DESCRIPTOR, // bDescriptorType + LSB(HID_VERSION_1_11), // bcdHID (LSB) + MSB(HID_VERSION_1_11), // bcdHID (MSB) + 0x00, // bCountryCode + 0x01, // bNumDescriptors + REPORT_DESCRIPTOR, // bDescriptorType + LSB(reportDescLength()), // wDescriptorLength (LSB) + MSB(reportDescLength()), // wDescriptorLength (MSB) + + ENDPOINT_DESCRIPTOR_LENGTH, // bLength + ENDPOINT_DESCRIPTOR, // bDescriptorType + PHY_TO_DESC(EPINT_IN), // bEndpointAddress + E_INTERRUPT, // bmAttributes + LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) + MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) + 1, // bInterval (milliseconds) + + ENDPOINT_DESCRIPTOR_LENGTH, // bLength + ENDPOINT_DESCRIPTOR, // bDescriptorType + PHY_TO_DESC(EPINT_OUT), // bEndpointAddress + E_INTERRUPT, // bmAttributes + LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) + MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) + 1, // bInterval (milliseconds) + }; + return configurationDescriptor; +} diff --git a/libraries/USBDevice/USBHID/USBKeyboard.h b/libraries/USBDevice/USBHID/USBKeyboard.h new file mode 100644 index 0000000000..92bcbe3c57 --- /dev/null +++ b/libraries/USBDevice/USBHID/USBKeyboard.h @@ -0,0 +1,183 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USBKEYBOARD_H +#define USBKEYBOARD_H + +#include "USBHID.h" +#include "Stream.h" + +/* Modifiers */ +enum MODIFIER_KEY { + KEY_CTRL = 1, + KEY_SHIFT = 2, + KEY_ALT = 4, +}; + + +enum MEDIA_KEY { + KEY_NEXT_TRACK, /*!< next Track Button */ + KEY_PREVIOUS_TRACK, /*!< Previous track Button */ + KEY_STOP, /*!< Stop Button */ + KEY_PLAY_PAUSE, /*!< Play/Pause Button */ + KEY_MUTE, /*!< Mute Button */ + KEY_VOLUME_UP, /*!< Volume Up Button */ + KEY_VOLUME_DOWN, /*!< Volume Down Button */ +}; + +enum FUNCTION_KEY { + KEY_F1 = 128, /* F1 key */ + KEY_F2, /* F2 key */ + KEY_F3, /* F3 key */ + KEY_F4, /* F4 key */ + KEY_F5, /* F5 key */ + KEY_F6, /* F6 key */ + KEY_F7, /* F7 key */ + KEY_F8, /* F8 key */ + KEY_F9, /* F9 key */ + KEY_F10, /* F10 key */ + KEY_F11, /* F11 key */ + KEY_F12, /* F12 key */ + + KEY_PRINT_SCREEN, /* Print Screen key */ + KEY_SCROLL_LOCK, /* Scroll lock */ + KEY_CAPS_LOCK, /* caps lock */ + KEY_NUM_LOCK, /* num lock */ + KEY_INSERT, /* Insert key */ + KEY_HOME, /* Home key */ + KEY_PAGE_UP, /* Page Up key */ + KEY_PAGE_DOWN, /* Page Down key */ + + RIGHT_ARROW, /* Right arrow */ + LEFT_ARROW, /* Left arrow */ + DOWN_ARROW, /* Down arrow */ + UP_ARROW, /* Up arrow */ +}; + +/** + * USBKeyboard example + * @code + * + * #include "mbed.h" + * #include "USBKeyboard.h" + * + * USBKeyboard key; + * + * int main(void) + * { + * while (1) + * { + * key.printf("Hello World\r\n"); + * wait(1); + * } + * } + * + * @endcode + */ +class USBKeyboard: public USBHID, public Stream { +public: + + /** + * Constructor + * + * + * @param leds Leds bus: first: NUM_LOCK, second: CAPS_LOCK, third: SCROLL_LOCK + * @param vendor_id Your vendor_id (default: 0x1235) + * @param product_id Your product_id (default: 0x0050) + * @param product_release Your preoduct_release (default: 0x0001) + * + */ + USBKeyboard(uint16_t vendor_id = 0x1235, uint16_t product_id = 0x0050, uint16_t product_release = 0x0001): + USBHID(0, 0, vendor_id, product_id, product_release, false) { + lock_status = 0; + connect(); + }; + + /** + * To send a character defined by a modifier(CTRL, SHIFT, ALT) and the key + * + * @code + * //To send CTRL + s (save) + * keyboard.keyCode('s', KEY_CTRL); + * @endcode + * + * @param modifier bit 0: KEY_CTRL, bit 1: KEY_SHIFT, bit 2: KEY_ALT (default: 0) + * @param key character to send + * @returns true if there is no error, false otherwise + */ + bool keyCode(uint8_t key, uint8_t modifier = 0); + + /** + * Send a character + * + * @param c character to be sent + * @returns true if there is no error, false otherwise + */ + virtual int _putc(int c); + + /** + * Control media keys + * + * @param key media key pressed (KEY_NEXT_TRACK, KEY_PREVIOUS_TRACK, KEY_STOP, KEY_PLAY_PAUSE, KEY_MUTE, KEY_VOLUME_UP, KEY_VOLUME_DOWN) + * @returns true if there is no error, false otherwise + */ + bool mediaControl(MEDIA_KEY key); + + /* + * To define the report descriptor. Warning: this method has to store the length of the report descriptor in reportLength. + * + * @returns pointer to the report descriptor + */ + virtual uint8_t * reportDesc(); + + /* + * Called when a data is received on the OUT endpoint. Useful to switch on LED of LOCK keys + * + * @returns if handle by subclass, return true + */ + virtual bool EP1_OUT_callback(); + + /** + * Read status of lock keys. Useful to switch-on/off leds according to key pressed. Only the first three bits of the result is important: + * - First bit: NUM_LOCK + * - Second bit: CAPS_LOCK + * - Third bit: SCROLL_LOCK + * + * @returns status of lock keys + */ + uint8_t lockStatus(); + +protected: + /* + * Get configuration descriptor + * + * @returns pointer to the configuration descriptor + */ + virtual uint8_t * configurationDesc(); + +private: + //dummy otherwise it doesn,t compile (we must define all methods of an abstract class) + virtual int _getc() { + return -1; + }; + + uint8_t lock_status; + +}; + +#endif diff --git a/libraries/USBDevice/USBHID/USBMouse.cpp b/libraries/USBDevice/USBHID/USBMouse.cpp new file mode 100644 index 0000000000..30a48268e9 --- /dev/null +++ b/libraries/USBDevice/USBHID/USBMouse.cpp @@ -0,0 +1,245 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include "stdint.h" +#include "USBMouse.h" + +bool USBMouse::update(int16_t x, int16_t y, uint8_t button, int8_t z) { + switch (mouse_type) { + case REL_MOUSE: + while (x > 127) { + if (!mouseSend(127, 0, button, z)) return false; + x = x - 127; + } + while (x < -128) { + if (!mouseSend(-128, 0, button, z)) return false; + x = x + 128; + } + while (y > 127) { + if (!mouseSend(0, 127, button, z)) return false; + y = y - 127; + } + while (y < -128) { + if (!mouseSend(0, -128, button, z)) return false; + y = y + 128; + } + return mouseSend(x, y, button, z); + case ABS_MOUSE: + HID_REPORT report; + + report.data[0] = x & 0xff; + report.data[1] = (x >> 8) & 0xff; + report.data[2] = y & 0xff; + report.data[3] = (y >> 8) & 0xff; + report.data[4] = -z; + report.data[5] = button & 0x07; + + report.length = 6; + + return send(&report); + default: + return false; + } +} + +bool USBMouse::mouseSend(int8_t x, int8_t y, uint8_t buttons, int8_t z) { + HID_REPORT report; + report.data[0] = buttons & 0x07; + report.data[1] = x; + report.data[2] = y; + report.data[3] = -z; // >0 to scroll down, <0 to scroll up + + report.length = 4; + + return send(&report); +} + +bool USBMouse::move(int16_t x, int16_t y) { + return update(x, y, button, 0); +} + +bool USBMouse::scroll(int8_t z) { + return update(0, 0, button, z); +} + + +bool USBMouse::doubleClick() { + if (!click(MOUSE_LEFT)) + return false; + wait(0.1); + return click(MOUSE_LEFT); +} + +bool USBMouse::click(uint8_t button) { + if (!update(0, 0, button, 0)) + return false; + wait(0.01); + return update(0, 0, 0, 0); +} + +bool USBMouse::press(uint8_t button_) { + button = button_ & 0x07; + return update(0, 0, button, 0); +} + +bool USBMouse::release(uint8_t button_) { + button = (button & (~button_)) & 0x07; + return update(0, 0, button, 0); +} + + +uint8_t * USBMouse::reportDesc() { + + if (mouse_type == REL_MOUSE) { + static uint8_t reportDescriptor[] = { + USAGE_PAGE(1), 0x01, // Genric Desktop + USAGE(1), 0x02, // Mouse + COLLECTION(1), 0x01, // Application + USAGE(1), 0x01, // Pointer + COLLECTION(1), 0x00, // Physical + + REPORT_COUNT(1), 0x03, + REPORT_SIZE(1), 0x01, + USAGE_PAGE(1), 0x09, // Buttons + USAGE_MINIMUM(1), 0x1, + USAGE_MAXIMUM(1), 0x3, + LOGICAL_MINIMUM(1), 0x00, + LOGICAL_MAXIMUM(1), 0x01, + INPUT(1), 0x02, + REPORT_COUNT(1), 0x01, + REPORT_SIZE(1), 0x05, + INPUT(1), 0x01, + + REPORT_COUNT(1), 0x03, + REPORT_SIZE(1), 0x08, + USAGE_PAGE(1), 0x01, + USAGE(1), 0x30, // X + USAGE(1), 0x31, // Y + USAGE(1), 0x38, // scroll + LOGICAL_MINIMUM(1), 0x81, + LOGICAL_MAXIMUM(1), 0x7f, + INPUT(1), 0x06, // Relative data + + END_COLLECTION(0), + END_COLLECTION(0), + }; + reportLength = sizeof(reportDescriptor); + return reportDescriptor; + } else if (mouse_type == ABS_MOUSE) { + static uint8_t reportDescriptor[] = { + + USAGE_PAGE(1), 0x01, // Generic Desktop + USAGE(1), 0x02, // Mouse + COLLECTION(1), 0x01, // Application + USAGE(1), 0x01, // Pointer + COLLECTION(1), 0x00, // Physical + + USAGE_PAGE(1), 0x01, // Generic Desktop + USAGE(1), 0x30, // X + USAGE(1), 0x31, // Y + LOGICAL_MINIMUM(1), 0x00, // 0 + LOGICAL_MAXIMUM(2), 0xff, 0x7f, // 32767 + REPORT_SIZE(1), 0x10, + REPORT_COUNT(1), 0x02, + INPUT(1), 0x02, // Data, Variable, Absolute + + USAGE_PAGE(1), 0x01, // Generic Desktop + USAGE(1), 0x38, // scroll + LOGICAL_MINIMUM(1), 0x81, // -127 + LOGICAL_MAXIMUM(1), 0x7f, // 127 + REPORT_SIZE(1), 0x08, + REPORT_COUNT(1), 0x01, + INPUT(1), 0x06, // Data, Variable, Relative + + USAGE_PAGE(1), 0x09, // Buttons + USAGE_MINIMUM(1), 0x01, + USAGE_MAXIMUM(1), 0x03, + LOGICAL_MINIMUM(1), 0x00, // 0 + LOGICAL_MAXIMUM(1), 0x01, // 1 + REPORT_COUNT(1), 0x03, + REPORT_SIZE(1), 0x01, + INPUT(1), 0x02, // Data, Variable, Absolute + REPORT_COUNT(1), 0x01, + REPORT_SIZE(1), 0x05, + INPUT(1), 0x01, // Constant + + END_COLLECTION(0), + END_COLLECTION(0) + }; + reportLength = sizeof(reportDescriptor); + return reportDescriptor; + } + return NULL; +} + +#define DEFAULT_CONFIGURATION (1) +#define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \ + + (1 * INTERFACE_DESCRIPTOR_LENGTH) \ + + (1 * HID_DESCRIPTOR_LENGTH) \ + + (2 * ENDPOINT_DESCRIPTOR_LENGTH)) + +uint8_t * USBMouse::configurationDesc() { + static uint8_t configurationDescriptor[] = { + CONFIGURATION_DESCRIPTOR_LENGTH,// bLength + CONFIGURATION_DESCRIPTOR, // bDescriptorType + LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB) + MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB) + 0x01, // bNumInterfaces + DEFAULT_CONFIGURATION, // bConfigurationValue + 0x00, // iConfiguration + C_RESERVED | C_SELF_POWERED, // bmAttributes + C_POWER(0), // bMaxPowerHello World from Mbed + + INTERFACE_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR, // bDescriptorType + 0x00, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x02, // bNumEndpoints + HID_CLASS, // bInterfaceClass + 1, // bInterfaceSubClass + 2, // bInterfaceProtocol (mouse) + 0x00, // iInterface + + HID_DESCRIPTOR_LENGTH, // bLength + HID_DESCRIPTOR, // bDescriptorType + LSB(HID_VERSION_1_11), // bcdHID (LSB) + MSB(HID_VERSION_1_11), // bcdHID (MSB) + 0x00, // bCountryCode + 0x01, // bNumDescriptors + REPORT_DESCRIPTOR, // bDescriptorType + LSB(reportDescLength()), // wDescriptorLength (LSB) + MSB(reportDescLength()), // wDescriptorLength (MSB) + + ENDPOINT_DESCRIPTOR_LENGTH, // bLength + ENDPOINT_DESCRIPTOR, // bDescriptorType + PHY_TO_DESC(EPINT_IN), // bEndpointAddress + E_INTERRUPT, // bmAttributes + LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) + MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) + 1, // bInterval (milliseconds) + + ENDPOINT_DESCRIPTOR_LENGTH, // bLength + ENDPOINT_DESCRIPTOR, // bDescriptorType + PHY_TO_DESC(EPINT_OUT), // bEndpointAddress + E_INTERRUPT, // bmAttributes + LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) + MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) + 1, // bInterval (milliseconds) + }; + return configurationDescriptor; +} diff --git a/libraries/USBDevice/USBHID/USBMouse.h b/libraries/USBDevice/USBHID/USBMouse.h new file mode 100644 index 0000000000..4b0b735af3 --- /dev/null +++ b/libraries/USBDevice/USBHID/USBMouse.h @@ -0,0 +1,209 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USBMOUSE_H +#define USBMOUSE_H + +#include "USBHID.h" + +#define REPORT_ID_MOUSE 2 + +/* Common usage */ + +enum MOUSE_BUTTON +{ + MOUSE_LEFT = 1, + MOUSE_RIGHT = 2, + MOUSE_MIDDLE = 4, +}; + +/* X and Y limits */ +/* These values do not directly map to screen pixels */ +/* Zero may be interpreted as meaning 'no movement' */ +#define X_MIN_ABS (1) /*!< Minimum value on x-axis */ +#define Y_MIN_ABS (1) /*!< Minimum value on y-axis */ +#define X_MAX_ABS (0x7fff) /*!< Maximum value on x-axis */ +#define Y_MAX_ABS (0x7fff) /*!< Maximum value on y-axis */ + +#define X_MIN_REL (-127) /*!< The maximum value that we can move to the left on the x-axis */ +#define Y_MIN_REL (-127) /*!< The maximum value that we can move up on the y-axis */ +#define X_MAX_REL (127) /*!< The maximum value that we can move to the right on the x-axis */ +#define Y_MAX_REL (127) /*!< The maximum value that we can move down on the y-axis */ + +enum MOUSE_TYPE +{ + ABS_MOUSE, + REL_MOUSE, +}; + +/** + * + * USBMouse example + * @code + * #include "mbed.h" + * #include "USBMouse.h" + * + * USBMouse mouse; + * + * int main(void) + * { + * while (1) + * { + * mouse.move(20, 0); + * wait(0.5); + * } + * } + * + * @endcode + * + * + * @code + * #include "mbed.h" + * #include "USBMouse.h" + * #include + * + * USBMouse mouse(ABS_MOUSE); + * + * int main(void) + * { + * uint16_t x_center = (X_MAX_ABS - X_MIN_ABS)/2; + * uint16_t y_center = (Y_MAX_ABS - Y_MIN_ABS)/2; + * uint16_t x_screen = 0; + * uint16_t y_screen = 0; + * + * uint32_t x_origin = x_center; + * uint32_t y_origin = y_center; + * uint32_t radius = 5000; + * uint32_t angle = 0; + * + * while (1) + * { + * x_screen = x_origin + cos((double)angle*3.14/180.0)*radius; + * y_screen = y_origin + sin((double)angle*3.14/180.0)*radius; + * + * mouse.move(x_screen, y_screen); + * angle += 3; + * wait(0.01); + * } + * } + * + * @endcode + */ +class USBMouse: public USBHID +{ + public: + + /** + * Constructor + * + * @param mouse_type Mouse type: ABS_MOUSE (absolute mouse) or REL_MOUSE (relative mouse) (default: REL_MOUSE) + * @param vendor_id Your vendor_id (default: 0x1234) + * @param product_id Your product_id (default: 0x0001) + * @param product_release Your preoduct_release (default: 0x0001) + * + */ + USBMouse(MOUSE_TYPE mouse_type = REL_MOUSE, uint16_t vendor_id = 0x1234, uint16_t product_id = 0x0001, uint16_t product_release = 0x0001): + USBHID(0, 0, vendor_id, product_id, product_release, false) + { + button = 0; + this->mouse_type = mouse_type; + connect(); + }; + + /** + * Write a state of the mouse + * + * @param x x-axis position + * @param y y-axis position + * @param buttons buttons state (first bit represents MOUSE_LEFT, second bit MOUSE_RIGHT and third bit MOUSE_MIDDLE) + * @param z wheel state (>0 to scroll down, <0 to scroll up) + * @returns true if there is no error, false otherwise + */ + bool update(int16_t x, int16_t y, uint8_t buttons, int8_t z); + + + /** + * Move the cursor to (x, y) + * + * @param x-axis position + * @param y-axis position + * @returns true if there is no error, false otherwise + */ + bool move(int16_t x, int16_t y); + + /** + * Press one or several buttons + * + * @param button button state (ex: press(MOUSE_LEFT)) + * @returns true if there is no error, false otherwise + */ + bool press(uint8_t button); + + /** + * Release one or several buttons + * + * @param button button state (ex: release(MOUSE_LEFT)) + * @returns true if there is no error, false otherwise + */ + bool release(uint8_t button); + + /** + * Double click (MOUSE_LEFT) + * + * @returns true if there is no error, false otherwise + */ + bool doubleClick(); + + /** + * Click + * + * @param button state of the buttons ( ex: clic(MOUSE_LEFT)) + * @returns true if there is no error, false otherwise + */ + bool click(uint8_t button); + + /** + * Scrolling + * + * @param z value of the wheel (>0 to go down, <0 to go up) + * @returns true if there is no error, false otherwise + */ + bool scroll(int8_t z); + + /* + * To define the report descriptor. Warning: this method has to store the length of the report descriptor in reportLength. + * + * @returns pointer to the report descriptor + */ + virtual uint8_t * reportDesc(); + + protected: + /* + * Get configuration descriptor + * + * @returns pointer to the configuration descriptor + */ + virtual uint8_t * configurationDesc(); + + private: + MOUSE_TYPE mouse_type; + uint8_t button; + bool mouseSend(int8_t x, int8_t y, uint8_t buttons, int8_t z); +}; + +#endif diff --git a/libraries/USBDevice/USBHID/USBMouseKeyboard.cpp b/libraries/USBDevice/USBHID/USBMouseKeyboard.cpp new file mode 100644 index 0000000000..b6cb28769c --- /dev/null +++ b/libraries/USBDevice/USBHID/USBMouseKeyboard.cpp @@ -0,0 +1,706 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include "stdint.h" +#include "USBMouseKeyboard.h" + +typedef struct { + unsigned char usage; + unsigned char modifier; +} KEYMAP; + +#ifdef US_KEYBOARD +/* US keyboard (as HID standard) */ +#define KEYMAP_SIZE (152) +const KEYMAP keymap[KEYMAP_SIZE] = { + {0, 0}, /* NUL */ + {0, 0}, /* SOH */ + {0, 0}, /* STX */ + {0, 0}, /* ETX */ + {0, 0}, /* EOT */ + {0, 0}, /* ENQ */ + {0, 0}, /* ACK */ + {0, 0}, /* BEL */ + {0x2a, 0}, /* BS */ /* Keyboard Delete (Backspace) */ + {0x2b, 0}, /* TAB */ /* Keyboard Tab */ + {0x28, 0}, /* LF */ /* Keyboard Return (Enter) */ + {0, 0}, /* VT */ + {0, 0}, /* FF */ + {0, 0}, /* CR */ + {0, 0}, /* SO */ + {0, 0}, /* SI */ + {0, 0}, /* DEL */ + {0, 0}, /* DC1 */ + {0, 0}, /* DC2 */ + {0, 0}, /* DC3 */ + {0, 0}, /* DC4 */ + {0, 0}, /* NAK */ + {0, 0}, /* SYN */ + {0, 0}, /* ETB */ + {0, 0}, /* CAN */ + {0, 0}, /* EM */ + {0, 0}, /* SUB */ + {0, 0}, /* ESC */ + {0, 0}, /* FS */ + {0, 0}, /* GS */ + {0, 0}, /* RS */ + {0, 0}, /* US */ + {0x2c, 0}, /* */ + {0x1e, KEY_SHIFT}, /* ! */ + {0x34, KEY_SHIFT}, /* " */ + {0x20, KEY_SHIFT}, /* # */ + {0x21, KEY_SHIFT}, /* $ */ + {0x22, KEY_SHIFT}, /* % */ + {0x24, KEY_SHIFT}, /* & */ + {0x34, 0}, /* ' */ + {0x26, KEY_SHIFT}, /* ( */ + {0x27, KEY_SHIFT}, /* ) */ + {0x25, KEY_SHIFT}, /* * */ + {0x2e, KEY_SHIFT}, /* + */ + {0x36, 0}, /* , */ + {0x2d, 0}, /* - */ + {0x37, 0}, /* . */ + {0x38, 0}, /* / */ + {0x27, 0}, /* 0 */ + {0x1e, 0}, /* 1 */ + {0x1f, 0}, /* 2 */ + {0x20, 0}, /* 3 */ + {0x21, 0}, /* 4 */ + {0x22, 0}, /* 5 */ + {0x23, 0}, /* 6 */ + {0x24, 0}, /* 7 */ + {0x25, 0}, /* 8 */ + {0x26, 0}, /* 9 */ + {0x33, KEY_SHIFT}, /* : */ + {0x33, 0}, /* ; */ + {0x36, KEY_SHIFT}, /* < */ + {0x2e, 0}, /* = */ + {0x37, KEY_SHIFT}, /* > */ + {0x38, KEY_SHIFT}, /* ? */ + {0x1f, KEY_SHIFT}, /* @ */ + {0x04, KEY_SHIFT}, /* A */ + {0x05, KEY_SHIFT}, /* B */ + {0x06, KEY_SHIFT}, /* C */ + {0x07, KEY_SHIFT}, /* D */ + {0x08, KEY_SHIFT}, /* E */ + {0x09, KEY_SHIFT}, /* F */ + {0x0a, KEY_SHIFT}, /* G */ + {0x0b, KEY_SHIFT}, /* H */ + {0x0c, KEY_SHIFT}, /* I */ + {0x0d, KEY_SHIFT}, /* J */ + {0x0e, KEY_SHIFT}, /* K */ + {0x0f, KEY_SHIFT}, /* L */ + {0x10, KEY_SHIFT}, /* M */ + {0x11, KEY_SHIFT}, /* N */ + {0x12, KEY_SHIFT}, /* O */ + {0x13, KEY_SHIFT}, /* P */ + {0x14, KEY_SHIFT}, /* Q */ + {0x15, KEY_SHIFT}, /* R */ + {0x16, KEY_SHIFT}, /* S */ + {0x17, KEY_SHIFT}, /* T */ + {0x18, KEY_SHIFT}, /* U */ + {0x19, KEY_SHIFT}, /* V */ + {0x1a, KEY_SHIFT}, /* W */ + {0x1b, KEY_SHIFT}, /* X */ + {0x1c, KEY_SHIFT}, /* Y */ + {0x1d, KEY_SHIFT}, /* Z */ + {0x2f, 0}, /* [ */ + {0x31, 0}, /* \ */ + {0x30, 0}, /* ] */ + {0x23, KEY_SHIFT}, /* ^ */ + {0x2d, KEY_SHIFT}, /* _ */ + {0x35, 0}, /* ` */ + {0x04, 0}, /* a */ + {0x05, 0}, /* b */ + {0x06, 0}, /* c */ + {0x07, 0}, /* d */ + {0x08, 0}, /* e */ + {0x09, 0}, /* f */ + {0x0a, 0}, /* g */ + {0x0b, 0}, /* h */ + {0x0c, 0}, /* i */ + {0x0d, 0}, /* j */ + {0x0e, 0}, /* k */ + {0x0f, 0}, /* l */ + {0x10, 0}, /* m */ + {0x11, 0}, /* n */ + {0x12, 0}, /* o */ + {0x13, 0}, /* p */ + {0x14, 0}, /* q */ + {0x15, 0}, /* r */ + {0x16, 0}, /* s */ + {0x17, 0}, /* t */ + {0x18, 0}, /* u */ + {0x19, 0}, /* v */ + {0x1a, 0}, /* w */ + {0x1b, 0}, /* x */ + {0x1c, 0}, /* y */ + {0x1d, 0}, /* z */ + {0x2f, KEY_SHIFT}, /* { */ + {0x31, KEY_SHIFT}, /* | */ + {0x30, KEY_SHIFT}, /* } */ + {0x35, KEY_SHIFT}, /* ~ */ + {0,0}, /* DEL */ + + {0x3a, 0}, /* F1 */ + {0x3b, 0}, /* F2 */ + {0x3c, 0}, /* F3 */ + {0x3d, 0}, /* F4 */ + {0x3e, 0}, /* F5 */ + {0x3f, 0}, /* F6 */ + {0x40, 0}, /* F7 */ + {0x41, 0}, /* F8 */ + {0x42, 0}, /* F9 */ + {0x43, 0}, /* F10 */ + {0x44, 0}, /* F11 */ + {0x45, 0}, /* F12 */ + + {0x46, 0}, /* PRINT_SCREEN */ + {0x47, 0}, /* SCROLL_LOCK */ + {0x39, 0}, /* CAPS_LOCK */ + {0x53, 0}, /* NUM_LOCK */ + {0x49, 0}, /* INSERT */ + {0x4a, 0}, /* HOME */ + {0x4b, 0}, /* PAGE_UP */ + {0x4e, 0}, /* PAGE_DOWN */ + + {0x4f, 0}, /* RIGHT_ARROW */ + {0x50, 0}, /* LEFT_ARROW */ + {0x51, 0}, /* DOWN_ARROW */ + {0x52, 0}, /* UP_ARROW */ +}; + +#else +/* UK keyboard */ +#define KEYMAP_SIZE (152) +const KEYMAP keymap[KEYMAP_SIZE] = { + {0, 0}, /* NUL */ + {0, 0}, /* SOH */ + {0, 0}, /* STX */ + {0, 0}, /* ETX */ + {0, 0}, /* EOT */ + {0, 0}, /* ENQ */ + {0, 0}, /* ACK */ + {0, 0}, /* BEL */ + {0x2a, 0}, /* BS */ /* Keyboard Delete (Backspace) */ + {0x2b, 0}, /* TAB */ /* Keyboard Tab */ + {0x28, 0}, /* LF */ /* Keyboard Return (Enter) */ + {0, 0}, /* VT */ + {0, 0}, /* FF */ + {0, 0}, /* CR */ + {0, 0}, /* SO */ + {0, 0}, /* SI */ + {0, 0}, /* DEL */ + {0, 0}, /* DC1 */ + {0, 0}, /* DC2 */ + {0, 0}, /* DC3 */ + {0, 0}, /* DC4 */ + {0, 0}, /* NAK */ + {0, 0}, /* SYN */ + {0, 0}, /* ETB */ + {0, 0}, /* CAN */ + {0, 0}, /* EM */ + {0, 0}, /* SUB */ + {0, 0}, /* ESC */ + {0, 0}, /* FS */ + {0, 0}, /* GS */ + {0, 0}, /* RS */ + {0, 0}, /* US */ + {0x2c, 0}, /* */ + {0x1e, KEY_SHIFT}, /* ! */ + {0x1f, KEY_SHIFT}, /* " */ + {0x32, 0}, /* # */ + {0x21, KEY_SHIFT}, /* $ */ + {0x22, KEY_SHIFT}, /* % */ + {0x24, KEY_SHIFT}, /* & */ + {0x34, 0}, /* ' */ + {0x26, KEY_SHIFT}, /* ( */ + {0x27, KEY_SHIFT}, /* ) */ + {0x25, KEY_SHIFT}, /* * */ + {0x2e, KEY_SHIFT}, /* + */ + {0x36, 0}, /* , */ + {0x2d, 0}, /* - */ + {0x37, 0}, /* . */ + {0x38, 0}, /* / */ + {0x27, 0}, /* 0 */ + {0x1e, 0}, /* 1 */ + {0x1f, 0}, /* 2 */ + {0x20, 0}, /* 3 */ + {0x21, 0}, /* 4 */ + {0x22, 0}, /* 5 */ + {0x23, 0}, /* 6 */ + {0x24, 0}, /* 7 */ + {0x25, 0}, /* 8 */ + {0x26, 0}, /* 9 */ + {0x33, KEY_SHIFT}, /* : */ + {0x33, 0}, /* ; */ + {0x36, KEY_SHIFT}, /* < */ + {0x2e, 0}, /* = */ + {0x37, KEY_SHIFT}, /* > */ + {0x38, KEY_SHIFT}, /* ? */ + {0x34, KEY_SHIFT}, /* @ */ + {0x04, KEY_SHIFT}, /* A */ + {0x05, KEY_SHIFT}, /* B */ + {0x06, KEY_SHIFT}, /* C */ + {0x07, KEY_SHIFT}, /* D */ + {0x08, KEY_SHIFT}, /* E */ + {0x09, KEY_SHIFT}, /* F */ + {0x0a, KEY_SHIFT}, /* G */ + {0x0b, KEY_SHIFT}, /* H */ + {0x0c, KEY_SHIFT}, /* I */ + {0x0d, KEY_SHIFT}, /* J */ + {0x0e, KEY_SHIFT}, /* K */ + {0x0f, KEY_SHIFT}, /* L */ + {0x10, KEY_SHIFT}, /* M */ + {0x11, KEY_SHIFT}, /* N */ + {0x12, KEY_SHIFT}, /* O */ + {0x13, KEY_SHIFT}, /* P */ + {0x14, KEY_SHIFT}, /* Q */ + {0x15, KEY_SHIFT}, /* R */ + {0x16, KEY_SHIFT}, /* S */ + {0x17, KEY_SHIFT}, /* T */ + {0x18, KEY_SHIFT}, /* U */ + {0x19, KEY_SHIFT}, /* V */ + {0x1a, KEY_SHIFT}, /* W */ + {0x1b, KEY_SHIFT}, /* X */ + {0x1c, KEY_SHIFT}, /* Y */ + {0x1d, KEY_SHIFT}, /* Z */ + {0x2f, 0}, /* [ */ + {0x64, 0}, /* \ */ + {0x30, 0}, /* ] */ + {0x23, KEY_SHIFT}, /* ^ */ + {0x2d, KEY_SHIFT}, /* _ */ + {0x35, 0}, /* ` */ + {0x04, 0}, /* a */ + {0x05, 0}, /* b */ + {0x06, 0}, /* c */ + {0x07, 0}, /* d */ + {0x08, 0}, /* e */ + {0x09, 0}, /* f */ + {0x0a, 0}, /* g */ + {0x0b, 0}, /* h */ + {0x0c, 0}, /* i */ + {0x0d, 0}, /* j */ + {0x0e, 0}, /* k */ + {0x0f, 0}, /* l */ + {0x10, 0}, /* m */ + {0x11, 0}, /* n */ + {0x12, 0}, /* o */ + {0x13, 0}, /* p */ + {0x14, 0}, /* q */ + {0x15, 0}, /* r */ + {0x16, 0}, /* s */ + {0x17, 0}, /* t */ + {0x18, 0}, /* u */ + {0x19, 0}, /* v */ + {0x1a, 0}, /* w */ + {0x1b, 0}, /* x */ + {0x1c, 0}, /* y */ + {0x1d, 0}, /* z */ + {0x2f, KEY_SHIFT}, /* { */ + {0x64, KEY_SHIFT}, /* | */ + {0x30, KEY_SHIFT}, /* } */ + {0x32, KEY_SHIFT}, /* ~ */ + {0,0}, /* DEL */ + + {0x3a, 0}, /* F1 */ + {0x3b, 0}, /* F2 */ + {0x3c, 0}, /* F3 */ + {0x3d, 0}, /* F4 */ + {0x3e, 0}, /* F5 */ + {0x3f, 0}, /* F6 */ + {0x40, 0}, /* F7 */ + {0x41, 0}, /* F8 */ + {0x42, 0}, /* F9 */ + {0x43, 0}, /* F10 */ + {0x44, 0}, /* F11 */ + {0x45, 0}, /* F12 */ + + {0x46, 0}, /* PRINT_SCREEN */ + {0x47, 0}, /* SCROLL_LOCK */ + {0x39, 0}, /* CAPS_LOCK */ + {0x53, 0}, /* NUM_LOCK */ + {0x49, 0}, /* INSERT */ + {0x4a, 0}, /* HOME */ + {0x4b, 0}, /* PAGE_UP */ + {0x4e, 0}, /* PAGE_DOWN */ + + {0x4f, 0}, /* RIGHT_ARROW */ + {0x50, 0}, /* LEFT_ARROW */ + {0x51, 0}, /* DOWN_ARROW */ + {0x52, 0}, /* UP_ARROW */ +}; +#endif + + +uint8_t * USBMouseKeyboard::reportDesc() { + if (mouse_type == REL_MOUSE) { + static uint8_t reportDescriptor[] = { + // Keyboard + USAGE_PAGE(1), 0x01, + USAGE(1), 0x06, + COLLECTION(1), 0x01, + REPORT_ID(1), REPORT_ID_KEYBOARD, + USAGE_PAGE(1), 0x07, + USAGE_MINIMUM(1), 0xE0, + USAGE_MAXIMUM(1), 0xE7, + LOGICAL_MINIMUM(1), 0x00, + LOGICAL_MAXIMUM(1), 0x01, + REPORT_SIZE(1), 0x01, + REPORT_COUNT(1), 0x08, + INPUT(1), 0x02, + REPORT_COUNT(1), 0x01, + REPORT_SIZE(1), 0x08, + INPUT(1), 0x01, + REPORT_COUNT(1), 0x05, + REPORT_SIZE(1), 0x01, + USAGE_PAGE(1), 0x08, + USAGE_MINIMUM(1), 0x01, + USAGE_MAXIMUM(1), 0x05, + OUTPUT(1), 0x02, + REPORT_COUNT(1), 0x01, + REPORT_SIZE(1), 0x03, + OUTPUT(1), 0x01, + REPORT_COUNT(1), 0x06, + REPORT_SIZE(1), 0x08, + LOGICAL_MINIMUM(1), 0x00, + LOGICAL_MAXIMUM(2), 0xff, 0x00, + USAGE_PAGE(1), 0x07, + USAGE_MINIMUM(1), 0x00, + USAGE_MAXIMUM(2), 0xff, 0x00, + INPUT(1), 0x00, + END_COLLECTION(0), + + // Mouse + USAGE_PAGE(1), 0x01, // Generic Desktop + USAGE(1), 0x02, // Mouse + COLLECTION(1), 0x01, // Application + USAGE(1), 0x01, // Pointer + COLLECTION(1), 0x00, // Physical + REPORT_ID(1), REPORT_ID_MOUSE, + REPORT_COUNT(1), 0x03, + REPORT_SIZE(1), 0x01, + USAGE_PAGE(1), 0x09, // Buttons + USAGE_MINIMUM(1), 0x1, + USAGE_MAXIMUM(1), 0x3, + LOGICAL_MINIMUM(1), 0x00, + LOGICAL_MAXIMUM(1), 0x01, + INPUT(1), 0x02, + REPORT_COUNT(1), 0x01, + REPORT_SIZE(1), 0x05, + INPUT(1), 0x01, + REPORT_COUNT(1), 0x03, + REPORT_SIZE(1), 0x08, + USAGE_PAGE(1), 0x01, + USAGE(1), 0x30, // X + USAGE(1), 0x31, // Y + USAGE(1), 0x38, // scroll + LOGICAL_MINIMUM(1), 0x81, + LOGICAL_MAXIMUM(1), 0x7f, + INPUT(1), 0x06, + END_COLLECTION(0), + END_COLLECTION(0), + + + // Media Control + USAGE_PAGE(1), 0x0C, + USAGE(1), 0x01, + COLLECTION(1), 0x01, + REPORT_ID(1), REPORT_ID_VOLUME, + USAGE_PAGE(1), 0x0C, + LOGICAL_MINIMUM(1), 0x00, + LOGICAL_MAXIMUM(1), 0x01, + REPORT_SIZE(1), 0x01, + REPORT_COUNT(1), 0x07, + USAGE(1), 0xB5, // Next Track + USAGE(1), 0xB6, // Previous Track + USAGE(1), 0xB7, // Stop + USAGE(1), 0xCD, // Play / Pause + USAGE(1), 0xE2, // Mute + USAGE(1), 0xE9, // Volume Up + USAGE(1), 0xEA, // Volume Down + INPUT(1), 0x02, // Input (Data, Variable, Absolute) + REPORT_COUNT(1), 0x01, + INPUT(1), 0x01, + END_COLLECTION(0), + }; + reportLength = sizeof(reportDescriptor); + return reportDescriptor; + } else if (mouse_type == ABS_MOUSE) { + static uint8_t reportDescriptor[] = { + + // Keyboard + USAGE_PAGE(1), 0x01, + USAGE(1), 0x06, + COLLECTION(1), 0x01, + REPORT_ID(1), REPORT_ID_KEYBOARD, + USAGE_PAGE(1), 0x07, + USAGE_MINIMUM(1), 0xE0, + USAGE_MAXIMUM(1), 0xE7, + LOGICAL_MINIMUM(1), 0x00, + LOGICAL_MAXIMUM(1), 0x01, + REPORT_SIZE(1), 0x01, + REPORT_COUNT(1), 0x08, + INPUT(1), 0x02, + REPORT_COUNT(1), 0x01, + REPORT_SIZE(1), 0x08, + INPUT(1), 0x01, + REPORT_COUNT(1), 0x05, + REPORT_SIZE(1), 0x01, + USAGE_PAGE(1), 0x08, + USAGE_MINIMUM(1), 0x01, + USAGE_MAXIMUM(1), 0x05, + OUTPUT(1), 0x02, + REPORT_COUNT(1), 0x01, + REPORT_SIZE(1), 0x03, + OUTPUT(1), 0x01, + REPORT_COUNT(1), 0x06, + REPORT_SIZE(1), 0x08, + LOGICAL_MINIMUM(1), 0x00, + LOGICAL_MAXIMUM(2), 0xff, 0x00, + USAGE_PAGE(1), 0x07, + USAGE_MINIMUM(1), 0x00, + USAGE_MAXIMUM(2), 0xff, 0x00, + INPUT(1), 0x00, + END_COLLECTION(0), + + // Mouse + USAGE_PAGE(1), 0x01, // Generic Desktop + USAGE(1), 0x02, // Mouse + COLLECTION(1), 0x01, // Application + USAGE(1), 0x01, // Pointer + COLLECTION(1), 0x00, // Physical + REPORT_ID(1), REPORT_ID_MOUSE, + + USAGE_PAGE(1), 0x01, // Generic Desktop + USAGE(1), 0x30, // X + USAGE(1), 0x31, // Y + LOGICAL_MINIMUM(1), 0x00, // 0 + LOGICAL_MAXIMUM(2), 0xff, 0x7f, // 32767 + REPORT_SIZE(1), 0x10, + REPORT_COUNT(1), 0x02, + INPUT(1), 0x02, // Data, Variable, Absolute + + USAGE_PAGE(1), 0x01, // Generic Desktop + USAGE(1), 0x38, // scroll + LOGICAL_MINIMUM(1), 0x81, // -127 + LOGICAL_MAXIMUM(1), 0x7f, // 127 + REPORT_SIZE(1), 0x08, + REPORT_COUNT(1), 0x01, + INPUT(1), 0x06, // Data, Variable, Relative + + USAGE_PAGE(1), 0x09, // Buttons + USAGE_MINIMUM(1), 0x01, + USAGE_MAXIMUM(1), 0x03, + LOGICAL_MINIMUM(1), 0x00, // 0 + LOGICAL_MAXIMUM(1), 0x01, // 1 + REPORT_COUNT(1), 0x03, + REPORT_SIZE(1), 0x01, + INPUT(1), 0x02, // Data, Variable, Absolute + REPORT_COUNT(1), 0x01, + REPORT_SIZE(1), 0x05, + INPUT(1), 0x01, // Constant + + END_COLLECTION(0), + END_COLLECTION(0), + + // Media Control + USAGE_PAGE(1), 0x0C, + USAGE(1), 0x01, + COLLECTION(1), 0x01, + REPORT_ID(1), REPORT_ID_VOLUME, + USAGE_PAGE(1), 0x0C, + LOGICAL_MINIMUM(1), 0x00, + LOGICAL_MAXIMUM(1), 0x01, + REPORT_SIZE(1), 0x01, + REPORT_COUNT(1), 0x07, + USAGE(1), 0xB5, // Next Track + USAGE(1), 0xB6, // Previous Track + USAGE(1), 0xB7, // Stop + USAGE(1), 0xCD, // Play / Pause + USAGE(1), 0xE2, // Mute + USAGE(1), 0xE9, // Volume Up + USAGE(1), 0xEA, // Volume Down + INPUT(1), 0x02, // Input (Data, Variable, Absolute) + REPORT_COUNT(1), 0x01, + INPUT(1), 0x01, + END_COLLECTION(0), + }; + reportLength = sizeof(reportDescriptor); + return reportDescriptor; + } + + return NULL; +} + +bool USBMouseKeyboard::EP1_OUT_callback() { + uint32_t bytesRead = 0; + uint8_t led[65]; + USBDevice::readEP(EPINT_OUT, led, &bytesRead, MAX_HID_REPORT_SIZE); + + // we take led[1] because led[0] is the report ID + lock_status = led[1] & 0x07; + + // We activate the endpoint to be able to recceive data + if (!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE)) + return false; + return true; +} + +uint8_t USBMouseKeyboard::lockStatus() { + return lock_status; +} + +bool USBMouseKeyboard::update(int16_t x, int16_t y, uint8_t button, int8_t z) { + switch (mouse_type) { + case REL_MOUSE: + while (x > 127) { + if (!mouseSend(127, 0, button, z)) return false; + x = x - 127; + } + while (x < -128) { + if (!mouseSend(-128, 0, button, z)) return false; + x = x + 128; + } + while (y > 127) { + if (!mouseSend(0, 127, button, z)) return false; + y = y - 127; + } + while (y < -128) { + if (!mouseSend(0, -128, button, z)) return false; + y = y + 128; + } + return mouseSend(x, y, button, z); + case ABS_MOUSE: + HID_REPORT report; + + report.data[0] = REPORT_ID_MOUSE; + report.data[1] = x & 0xff; + report.data[2] = (x >> 8) & 0xff; + report.data[3] = y & 0xff; + report.data[4] = (y >> 8) & 0xff; + report.data[5] = -z; + report.data[6] = button & 0x07; + + report.length = 7; + + return send(&report); + default: + return false; + } +} + +bool USBMouseKeyboard::mouseSend(int8_t x, int8_t y, uint8_t buttons, int8_t z) { + HID_REPORT report; + report.data[0] = REPORT_ID_MOUSE; + report.data[1] = buttons & 0x07; + report.data[2] = x; + report.data[3] = y; + report.data[4] = -z; // >0 to scroll down, <0 to scroll up + + report.length = 5; + + return send(&report); +} + +bool USBMouseKeyboard::move(int16_t x, int16_t y) { + return update(x, y, button, 0); +} + +bool USBMouseKeyboard::scroll(int8_t z) { + return update(0, 0, button, z); +} + +bool USBMouseKeyboard::doubleClick() { + if (!click(MOUSE_LEFT)) + return false; + wait(0.1); + return click(MOUSE_LEFT); +} + +bool USBMouseKeyboard::click(uint8_t button) { + if (!update(0, 0, button, 0)) + return false; + wait(0.01); + return update(0, 0, 0, 0); +} + +bool USBMouseKeyboard::press(uint8_t button_) { + button = button_ & 0x07; + return update(0, 0, button, 0); +} + +bool USBMouseKeyboard::release(uint8_t button_) { + button = (button & (~button_)) & 0x07; + return update(0, 0, button, 0); +} + +int USBMouseKeyboard::_putc(int c) { + return keyCode(c, keymap[c].modifier); +} + +bool USBMouseKeyboard::keyCode(uint8_t key, uint8_t modifier) { + // Send a simulated keyboard keypress. Returns true if successful. + + HID_REPORT report; + + report.data[0] = REPORT_ID_KEYBOARD; + report.data[1] = modifier; + report.data[2] = 0; + report.data[3] = keymap[key].usage; + report.data[4] = 0; + report.data[5] = 0; + report.data[6] = 0; + report.data[7] = 0; + report.data[8] = 0; + + report.length = 9; + + if (!send(&report)) { + return false; + } + + report.data[1] = 0; + report.data[3] = 0; + + if (!send(&report)) { + return false; + } + + return true; + +} + + +bool USBMouseKeyboard::mediaControl(MEDIA_KEY key) { + HID_REPORT report; + + report.data[0] = REPORT_ID_VOLUME; + report.data[1] = (1 << key) & 0x7f; + + report.length = 2; + + send(&report); + + report.data[0] = REPORT_ID_VOLUME; + report.data[1] = 0; + + report.length = 2; + + return send(&report); +} diff --git a/libraries/USBDevice/USBHID/USBMouseKeyboard.h b/libraries/USBDevice/USBHID/USBMouseKeyboard.h new file mode 100644 index 0000000000..ae729d9abf --- /dev/null +++ b/libraries/USBDevice/USBHID/USBMouseKeyboard.h @@ -0,0 +1,220 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USBMOUSEKEYBOARD_H +#define USBMOUSEKEYBOARD_H + +#define REPORT_ID_KEYBOARD 1 +#define REPORT_ID_MOUSE 2 +#define REPORT_ID_VOLUME 3 + +#include "USBMouse.h" +#include "USBKeyboard.h" +#include "Stream.h" +#include "USBHID.h" + +/** + * USBMouseKeyboard example + * @code + * + * #include "mbed.h" + * #include "USBMouseKeyboard.h" + * + * USBMouseKeyboard key_mouse; + * + * int main(void) + * { + * while(1) + * { + * key_mouse.move(20, 0); + * key_mouse.printf("Hello From MBED\r\n"); + * wait(1); + * } + * } + * @endcode + * + * + * @code + * + * #include "mbed.h" + * #include "USBMouseKeyboard.h" + * + * USBMouseKeyboard key_mouse(ABS_MOUSE); + * + * int main(void) + * { + * while(1) + * { + * key_mouse.move(X_MAX_ABS/2, Y_MAX_ABS/2); + * key_mouse.printf("Hello from MBED\r\n"); + * wait(1); + * } + * } + * @endcode + */ +class USBMouseKeyboard: public USBHID, public Stream +{ + public: + + /** + * Constructor + * + * @param mouse_type Mouse type: ABS_MOUSE (absolute mouse) or REL_MOUSE (relative mouse) (default: REL_MOUSE) + * @param leds Leds bus: first: NUM_LOCK, second: CAPS_LOCK, third: SCROLL_LOCK + * @param vendor_id Your vendor_id (default: 0x1234) + * @param product_id Your product_id (default: 0x0001) + * @param product_release Your preoduct_release (default: 0x0001) + * + */ + USBMouseKeyboard(MOUSE_TYPE mouse_type = REL_MOUSE, uint16_t vendor_id = 0x0021, uint16_t product_id = 0x0011, uint16_t product_release = 0x0001): + USBHID(0, 0, vendor_id, product_id, product_release, false) + { + lock_status = 0; + button = 0; + this->mouse_type = mouse_type; + connect(); + }; + + /** + * Write a state of the mouse + * + * @param x x-axis position + * @param y y-axis position + * @param buttons buttons state (first bit represents MOUSE_LEFT, second bit MOUSE_RIGHT and third bit MOUSE_MIDDLE) + * @param z wheel state (>0 to scroll down, <0 to scroll up) + * @returns true if there is no error, false otherwise + */ + bool update(int16_t x, int16_t y, uint8_t buttons, int8_t z); + + + /** + * Move the cursor to (x, y) + * + * @param x x-axis position + * @param y y-axis position + * @returns true if there is no error, false otherwise + */ + bool move(int16_t x, int16_t y); + + /** + * Press one or several buttons + * + * @param button button state (ex: press(MOUSE_LEFT)) + * @returns true if there is no error, false otherwise + */ + bool press(uint8_t button); + + /** + * Release one or several buttons + * + * @param button button state (ex: release(MOUSE_LEFT)) + * @returns true if there is no error, false otherwise + */ + bool release(uint8_t button); + + /** + * Double click (MOUSE_LEFT) + * + * @returns true if there is no error, false otherwise + */ + bool doubleClick(); + + /** + * Click + * + * @param button state of the buttons ( ex: clic(MOUSE_LEFT)) + * @returns true if there is no error, false otherwise + */ + bool click(uint8_t button); + + /** + * Scrolling + * + * @param z value of the wheel (>0 to go down, <0 to go up) + * @returns true if there is no error, false otherwise + */ + bool scroll(int8_t z); + + /** + * To send a character defined by a modifier(CTRL, SHIFT, ALT) and the key + * + * @code + * //To send CTRL + s (save) + * keyboard.keyCode('s', KEY_CTRL); + * @endcode + * + * @param modifier bit 0: KEY_CTRL, bit 1: KEY_SHIFT, bit 2: KEY_ALT (default: 0) + * @param key character to send + * @returns true if there is no error, false otherwise + */ + bool keyCode(uint8_t key, uint8_t modifier = 0); + + /** + * Send a character + * + * @param c character to be sent + * @returns true if there is no error, false otherwise + */ + virtual int _putc(int c); + + /** + * Control media keys + * + * @param key media key pressed (KEY_NEXT_TRACK, KEY_PREVIOUS_TRACK, KEY_STOP, KEY_PLAY_PAUSE, KEY_MUTE, KEY_VOLUME_UP, KEY_VOLUME_DOWN) + * @returns true if there is no error, false otherwise + */ + bool mediaControl(MEDIA_KEY key); + + /** + * Read status of lock keys. Useful to switch-on/off leds according to key pressed. Only the first three bits of the result is important: + * - First bit: NUM_LOCK + * - Second bit: CAPS_LOCK + * - Third bit: SCROLL_LOCK + * + * @returns status of lock keys + */ + uint8_t lockStatus(); + + /* + * To define the report descriptor. Warning: this method has to store the length of the report descriptor in reportLength. + * + * @returns pointer to the report descriptor + */ + virtual uint8_t * reportDesc(); + + /* + * Called when a data is received on the OUT endpoint. Useful to switch on LED of LOCK keys + * + * @returns if handle by subclass, return true + */ + virtual bool EP1_OUT_callback(); + + + private: + bool mouseWrite(int8_t x, int8_t y, uint8_t buttons, int8_t z); + MOUSE_TYPE mouse_type; + uint8_t button; + bool mouseSend(int8_t x, int8_t y, uint8_t buttons, int8_t z); + + uint8_t lock_status; + + //dummy otherwise it doesn't compile (we must define all methods of an abstract class) + virtual int _getc() { return -1;} +}; + +#endif diff --git a/libraries/USBDevice/USBMIDI/MIDIMessage.h b/libraries/USBDevice/USBMIDI/MIDIMessage.h new file mode 100644 index 0000000000..8ed5d446fc --- /dev/null +++ b/libraries/USBDevice/USBMIDI/MIDIMessage.h @@ -0,0 +1,250 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef MIDIMESSAGE_H +#define MIDIMESSAGE_H + +#include "mbed.h" + +// MIDI Message Format +// +// [ msg(4) | channel(4) ] [ 0 | n(7) ] [ 0 | m(7) ] +// +// MIDI Data Messages (Channel Specific) +// +// Message msg n m +// --------------------------------------------- +// Note Off 0x8 Key Velocity +// Note On 0x9 Key Velocity +// Polyphonic Aftertouch 0xA Key Pressure +// Control Change 0xB Controller Value +// Program Change 0xC Program - +// Channel Aftertouch 0xD Pressure - +// Pitch Wheel 0xE LSB MSB + +#define CABLE_NUM (0<<4) + +/** A MIDI message container */ +class MIDIMessage { +public: + MIDIMessage() {} + + MIDIMessage(uint8_t *buf) { + *((uint32_t *)data) = *((uint32_t *)buf); + } + + // create messages + + /** Create a NoteOff message + * @param key Key ID + * @param velocity Key velocity (0-127, default = 127) + * @param channel Key channel (0-15, default 0) + * @returns A MIDIMessage + */ + static MIDIMessage NoteOff(int key, int velocity = 127, int channel = 0) { + MIDIMessage msg; + msg.data[0] = CABLE_NUM | 0x08; + msg.data[1] = 0x80 | (channel & 0x0F); + msg.data[2] = key & 0x7F; + msg.data[3] = velocity & 0x7F; + return msg; + } + + /** Create a NoteOn message + * @param key Key ID + * @param velocity Key velocity (0-127, default = 127) + * @param channel Key channel (0-15, default 0) + * @returns A MIDIMessage + */ + static MIDIMessage NoteOn(int key, int velocity = 127, int channel = 0) { + MIDIMessage msg; + msg.data[0] = CABLE_NUM | 0x09; + msg.data[1] = 0x90 | (channel & 0x0F); + msg.data[2] = key & 0x7F; + msg.data[3] = velocity & 0x7F; + return msg; + } + + /** Create a PolyPhonic Aftertouch message + * @param key Key ID + * @param pressure Aftertouch pressure (0-127) + * @param channel Key channel (0-15, default 0) + * @returns A MIDIMessage + */ + static MIDIMessage PolyphonicAftertouch(int key, int pressure, int channel = 0) { + MIDIMessage msg; + msg.data[0] = CABLE_NUM | 0x0A; + msg.data[1] = 0xA0 | (channel & 0x0F); + msg.data[2] = key & 0x7F; + msg.data[3] = pressure & 0x7F; + return msg; + } + + /** Create a Control Change message + * @param control Controller ID + * @param value Controller value (0-127) + * @param channel Controller channel (0-15, default 0) + * @returns A MIDIMessage + */ + static MIDIMessage ControlChange(int control, int value, int channel = 0) { + MIDIMessage msg; + msg.data[0] = CABLE_NUM | 0x0B; + msg.data[1] = 0xB0 | (channel & 0x0F); + msg.data[2] = control & 0x7F; + msg.data[3] = value & 0x7F; + return msg; + } + + /** Create a Program Change message + * @param program Program ID + * @param channel Channel (0-15, default 0) + * @returns A MIDIMessage + */ + static MIDIMessage ProgramChange(int program, int channel = 0) { + MIDIMessage msg; + msg.data[0] = CABLE_NUM | 0x0C; + msg.data[1] = 0xC0 | (channel & 0x0F); + msg.data[2] = program & 0x7F; + msg.data[3] = 0x00; + return msg; + } + + /** Create a Channel Aftertouch message + * @param pressure Pressure + * @param channel Key channel (0-15, default 0) + * @returns A MIDIMessage + */ + static MIDIMessage ChannelAftertouch(int pressure, int channel = 0) { + MIDIMessage msg; + msg.data[0] = CABLE_NUM | 0x0D; + msg.data[1] = 0xD0 | (channel & 0x0F); + msg.data[2] = pressure & 0x7F; + msg.data[3] = 0x00; + return msg; + } + + /** Create a Pitch Wheel message + * @param pitch Pitch (-8192 - 8191, default = 0) + * @param channel Channel (0-15, default 0) + * @returns A MIDIMessage + */ + static MIDIMessage PitchWheel(int pitch = 0, int channel = 0) { + MIDIMessage msg; + int p = pitch + 8192; // 0 - 16383, 8192 is center + msg.data[0] = CABLE_NUM | 0x0E; + msg.data[1] = 0xE0 | (channel & 0x0F); + msg.data[2] = p & 0x7F; + msg.data[3] = (p >> 7) & 0x7F; + return msg; + } + + /** Create an All Notes Off message + * @param channel Channel (0-15, default 0) + * @returns A MIDIMessage + */ + static MIDIMessage AllNotesOff(int channel = 0) { + return ControlChange(123, 0, channel); + } + + // decode messages + + /** MIDI Message Types */ + enum MIDIMessageType { + ErrorType, + NoteOffType, + NoteOnType, + PolyphonicAftertouchType, + ControlChangeType, + ProgramChangeType, + ChannelAftertouchType, + PitchWheelType, + AllNotesOffType + }; + + /** Read the message type + * @returns MIDIMessageType + */ + MIDIMessageType type() { + switch((data[1] >> 4) & 0xF) { + case 0x8: return NoteOffType; + case 0x9: return NoteOnType; + case 0xA: return PolyphonicAftertouchType; + case 0xB: + if(controller() < 120) { // standard controllers + return ControlChangeType; + } else if(controller() == 123) { + return AllNotesOffType; + } else { + return ErrorType; // unsupported atm + } + case 0xC: return ProgramChangeType; + case 0xD: return ChannelAftertouchType; + case 0xE: return PitchWheelType; + default: return ErrorType; + } + } + + /** Read the channel number */ + int channel() { + return (data[1] & 0x0F); + } + + /** Read the key ID */ + int key() { + return (data[2] & 0x7F); + } + + /** Read the velocity */ + int velocity() { + return (data[3] & 0x7F); + } + + /** Read the controller value */ + int value() { + return (data[3] & 0x7F); + } + + /** Read the aftertouch pressure */ + int pressure() { + if(type() == PolyphonicAftertouchType) { + return (data[3] & 0x7F); + } else { + return (data[2] & 0x7F); + } + } + + /** Read the controller number */ + int controller() { + return (data[2] & 0x7F); + } + + /** Read the program number */ + int program() { + return (data[2] & 0x7F); + } + + /** Read the pitch value */ + int pitch() { + int p = ((data[3] & 0x7F) << 7) | (data[2] & 0x7F); + return p - 8192; // 0 - 16383, 8192 is center + } + + uint8_t data[4]; +}; + +#endif diff --git a/libraries/USBDevice/USBMIDI/USBMIDI.cpp b/libraries/USBDevice/USBMIDI/USBMIDI.cpp new file mode 100644 index 0000000000..1012963c99 --- /dev/null +++ b/libraries/USBDevice/USBMIDI/USBMIDI.cpp @@ -0,0 +1,121 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include "stdint.h" +#include "USBMIDI.h" + + +USBMIDI::USBMIDI(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) { + midi_evt = NULL; + USBDevice::connect(); +} + +void USBMIDI::write(MIDIMessage m) { + USBDevice::write(EPBULK_IN, m.data, 4, MAX_PACKET_SIZE_EPBULK); +} + + +void USBMIDI::attach(void (*fptr)(MIDIMessage)) { + midi_evt = fptr; +} + + +bool USBMIDI::EP2_OUT_callback() { + uint8_t buf[64]; + uint32_t len; + readEP(EPBULK_OUT, buf, &len, 64); + + if (midi_evt != NULL) { + for (int i=0; i 0 + addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK); + addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); + + // We activate the endpoint to be able to receive data + readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); + return true; +} + + +uint8_t * USBMIDI::stringIinterfaceDesc() { + static uint8_t stringIinterfaceDescriptor[] = { + 0x0c, //bLength + STRING_DESCRIPTOR, //bDescriptorType 0x03 + 'A',0,'u',0,'d',0,'i',0,'o',0 //bString iInterface - Audio + }; + return stringIinterfaceDescriptor; +} + +uint8_t * USBMIDI::stringIproductDesc() { + static uint8_t stringIproductDescriptor[] = { + 0x16, //bLength + STRING_DESCRIPTOR, //bDescriptorType 0x03 + 'M',0,'b',0,'e',0,'d',0,' ',0,'A',0,'u',0,'d',0,'i',0,'o',0 //bString iProduct - Mbed Audio + }; + return stringIproductDescriptor; +} + + +uint8_t * USBMIDI::configurationDesc() { + static uint8_t configDescriptor[] = { + // configuration descriptor + 0x09, 0x02, 0x65, 0x00, 0x02, 0x01, 0x00, 0xc0, 0x50, + + // The Audio Interface Collection + 0x09, 0x04, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, // Standard AC Interface Descriptor + 0x09, 0x24, 0x01, 0x00, 0x01, 0x09, 0x00, 0x01, 0x01, // Class-specific AC Interface Descriptor + 0x09, 0x04, 0x01, 0x00, 0x02, 0x01, 0x03, 0x00, 0x00, // MIDIStreaming Interface Descriptors + 0x07, 0x24, 0x01, 0x00, 0x01, 0x41, 0x00, // Class-Specific MS Interface Header Descriptor + + // MIDI IN JACKS + 0x06, 0x24, 0x02, 0x01, 0x01, 0x00, + 0x06, 0x24, 0x02, 0x02, 0x02, 0x00, + + // MIDI OUT JACKS + 0x09, 0x24, 0x03, 0x01, 0x03, 0x01, 0x02, 0x01, 0x00, + 0x09, 0x24, 0x03, 0x02, 0x06, 0x01, 0x01, 0x01, 0x00, + + // OUT endpoint descriptor + 0x09, 0x05, 0x02, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, + 0x05, 0x25, 0x01, 0x01, 0x01, + + // IN endpoint descriptor + 0x09, 0x05, 0x82, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, + 0x05, 0x25, 0x01, 0x01, 0x03, + }; + return configDescriptor; +} diff --git a/libraries/USBDevice/USBMIDI/USBMIDI.h b/libraries/USBDevice/USBMIDI/USBMIDI.h new file mode 100644 index 0000000000..89f35abab0 --- /dev/null +++ b/libraries/USBDevice/USBMIDI/USBMIDI.h @@ -0,0 +1,109 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USBMIDI_H +#define USBMIDI_H + +/* These headers are included for child class. */ +#include "USBEndpoints.h" +#include "USBDescriptor.h" +#include "USBDevice_Types.h" + +#include "USBDevice.h" +#include "MIDIMessage.h" + +#define DEFAULT_CONFIGURATION (1) + +/** +* USBMIDI example +* +* @code +* #include "mbed.h" +* #include "USBMIDI.h" +* +* USBMIDI midi; +* +* int main() { +* while (1) { +* for(int i=48; i<83; i++) { // send some messages! +* midi.write(MIDIMessage::NoteOn(i)); +* wait(0.25); +* midi.write(MIDIMessage::NoteOff(i)); +* wait(0.5); +* } +* } +* } +* @endcode +*/ +class USBMIDI: public USBDevice { +public: + + /** + * Constructor + * + * @param vendor_id Your vendor_id + * @param product_id Your product_id + * @param product_release Your preoduct_release + */ + USBMIDI(uint16_t vendor_id = 0x0700, uint16_t product_id = 0x0101, uint16_t product_release = 0x0001); + + /** + * Send a MIDIMessage + * + * @param m The MIDIMessage to send + */ + void write(MIDIMessage m); + + /** + * Attach a callback for when a MIDIEvent is received + * + * @param fptr function pointer + */ + void attach(void (*fptr)(MIDIMessage)); + + +protected: + virtual bool EP2_OUT_callback(); + virtual bool USBCallback_setConfiguration(uint8_t configuration); + /* + * Get string product descriptor + * + * @returns pointer to the string product descriptor + */ + virtual uint8_t * stringIproductDesc(); + + /* + * Get string interface descriptor + * + * @returns pointer to the string interface descriptor + */ + virtual uint8_t * stringIinterfaceDesc(); + + /* + * Get configuration descriptor + * + * @returns pointer to the configuration descriptor + */ + virtual uint8_t * configurationDesc(); + +private: + void (*midi_evt)(MIDIMessage); + +}; + +#endif diff --git a/libraries/USBDevice/USBMSD/USBMSD.cpp b/libraries/USBDevice/USBMSD/USBMSD.cpp new file mode 100644 index 0000000000..9bd87fdf7f --- /dev/null +++ b/libraries/USBDevice/USBMSD/USBMSD.cpp @@ -0,0 +1,645 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include "stdint.h" +#include "USBMSD.h" + +#define DISK_OK 0x00 +#define NO_INIT 0x01 +#define NO_DISK 0x02 +#define WRITE_PROTECT 0x04 + +#define CBW_Signature 0x43425355 +#define CSW_Signature 0x53425355 + +// SCSI Commands +#define TEST_UNIT_READY 0x00 +#define REQUEST_SENSE 0x03 +#define FORMAT_UNIT 0x04 +#define INQUIRY 0x12 +#define MODE_SELECT6 0x15 +#define MODE_SENSE6 0x1A +#define START_STOP_UNIT 0x1B +#define MEDIA_REMOVAL 0x1E +#define READ_FORMAT_CAPACITIES 0x23 +#define READ_CAPACITY 0x25 +#define READ10 0x28 +#define WRITE10 0x2A +#define VERIFY10 0x2F +#define READ12 0xA8 +#define WRITE12 0xAA +#define MODE_SELECT10 0x55 +#define MODE_SENSE10 0x5A + +// MSC class specific requests +#define MSC_REQUEST_RESET 0xFF +#define MSC_REQUEST_GET_MAX_LUN 0xFE + +#define DEFAULT_CONFIGURATION (1) + +// max packet size +#define MAX_PACKET MAX_PACKET_SIZE_EPBULK + +// CSW Status +enum Status { + CSW_PASSED, + CSW_FAILED, + CSW_ERROR, +}; + + +USBMSD::USBMSD(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) { + stage = READ_CBW; + memset((void *)&cbw, 0, sizeof(CBW)); + memset((void *)&csw, 0, sizeof(CSW)); +} + + + +// Called in ISR context to process a class specific request +bool USBMSD::USBCallback_request(void) { + + bool success = false; + CONTROL_TRANSFER * transfer = getTransferPtr(); + static uint8_t maxLUN[1] = {0}; + + if (transfer->setup.bmRequestType.Type == CLASS_TYPE) { + switch (transfer->setup.bRequest) { + case MSC_REQUEST_RESET: + reset(); + success = true; + break; + case MSC_REQUEST_GET_MAX_LUN: + transfer->remaining = 1; + transfer->ptr = maxLUN; + transfer->direction = DEVICE_TO_HOST; + success = true; + break; + default: + break; + } + } + + return success; +} + + +bool USBMSD::connect() { + + //disk initialization + if (disk_status() & NO_INIT) { + if (disk_initialize()) { + return false; + } + } + + // get number of blocks + BlockCount = disk_sectors(); + + // get memory size + MemorySize = disk_size(); + + if (BlockCount > 0) { + BlockSize = MemorySize / BlockCount; + if (BlockSize != 0) { + page = (uint8_t *)malloc(BlockSize * sizeof(uint8_t)); + if (page == NULL) + return false; + } + } else { + return false; + } + + //connect the device + USBDevice::connect(); + return true; +} + + +void USBMSD::reset() { + stage = READ_CBW; +} + + +// Called in ISR context called when a data is received +bool USBMSD::EP2_OUT_callback() { + uint32_t size = 0; + uint8_t buf[MAX_PACKET_SIZE_EPBULK]; + readEP(EPBULK_OUT, buf, &size, MAX_PACKET_SIZE_EPBULK); + switch (stage) { + // the device has to decode the CBW received + case READ_CBW: + CBWDecode(buf, size); + break; + + // the device has to receive data from the host + case PROCESS_CBW: + switch (cbw.CB[0]) { + case WRITE10: + case WRITE12: + memoryWrite(buf, size); + break; + case VERIFY10: + memoryVerify(buf, size); + break; + } + break; + + // an error has occured: stall endpoint and send CSW + default: + stallEndpoint(EPBULK_OUT); + csw.Status = CSW_ERROR; + sendCSW(); + break; + } + + //reactivate readings on the OUT bulk endpoint + readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); + return true; +} + +// Called in ISR context when a data has been transferred +bool USBMSD::EP2_IN_callback() { + switch (stage) { + + // the device has to send data to the host + case PROCESS_CBW: + switch (cbw.CB[0]) { + case READ10: + case READ12: + memoryRead(); + break; + } + break; + + //the device has to send a CSW + case SEND_CSW: + sendCSW(); + break; + + // an error has occured + case ERROR: + stallEndpoint(EPBULK_IN); + sendCSW(); + break; + + // the host has received the CSW -> we wait a CBW + case WAIT_CSW: + stage = READ_CBW; + break; + } + return true; +} + + +void USBMSD::memoryWrite (uint8_t * buf, uint16_t size) { + + if ((addr + size) > MemorySize) { + size = MemorySize - addr; + stage = ERROR; + stallEndpoint(EPBULK_OUT); + } + + // we fill an array in RAM of 1 block before writing it in memory + for (int i = 0; i < size; i++) + page[addr%BlockSize + i] = buf[i]; + + // if the array is filled, write it in memory + if (!((addr + size)%BlockSize)) { + if (!(disk_status() & WRITE_PROTECT)) { + disk_write(page, addr/BlockSize); + } + } + + addr += size; + length -= size; + csw.DataResidue -= size; + + if ((!length) || (stage != PROCESS_CBW)) { + csw.Status = (stage == ERROR) ? CSW_FAILED : CSW_PASSED; + sendCSW(); + } +} + +void USBMSD::memoryVerify (uint8_t * buf, uint16_t size) { + uint32_t n; + + if ((addr + size) > MemorySize) { + size = MemorySize - addr; + stage = ERROR; + stallEndpoint(EPBULK_OUT); + } + + // beginning of a new block -> load a whole block in RAM + if (!(addr%BlockSize)) + disk_read(page, addr/BlockSize); + + // info are in RAM -> no need to re-read memory + for (n = 0; n < size; n++) { + if (page[addr%BlockSize + n] != buf[n]) { + memOK = false; + break; + } + } + + addr += size; + length -= size; + csw.DataResidue -= size; + + if ( !length || (stage != PROCESS_CBW)) { + csw.Status = (memOK && (stage == PROCESS_CBW)) ? CSW_PASSED : CSW_FAILED; + sendCSW(); + } +} + + +bool USBMSD::inquiryRequest (void) { + uint8_t inquiry[] = { 0x00, 0x80, 0x00, 0x01, + 36 - 4, 0x80, 0x00, 0x00, + 'M', 'B', 'E', 'D', '.', 'O', 'R', 'G', + 'M', 'B', 'E', 'D', ' ', 'U', 'S', 'B', ' ', 'D', 'I', 'S', 'K', ' ', ' ', ' ', + '1', '.', '0', ' ', + }; + if (!write(inquiry, sizeof(inquiry))) { + return false; + } + return true; +} + + +bool USBMSD::readFormatCapacity() { + uint8_t capacity[] = { 0x00, 0x00, 0x00, 0x08, + (BlockCount >> 24) & 0xff, + (BlockCount >> 16) & 0xff, + (BlockCount >> 8) & 0xff, + (BlockCount >> 0) & 0xff, + + 0x02, + (BlockSize >> 16) & 0xff, + (BlockSize >> 8) & 0xff, + (BlockSize >> 0) & 0xff, + }; + if (!write(capacity, sizeof(capacity))) { + return false; + } + return true; +} + + +bool USBMSD::readCapacity (void) { + uint8_t capacity[] = { + ((BlockCount - 1) >> 24) & 0xff, + ((BlockCount - 1) >> 16) & 0xff, + ((BlockCount - 1) >> 8) & 0xff, + ((BlockCount - 1) >> 0) & 0xff, + + (BlockSize >> 24) & 0xff, + (BlockSize >> 16) & 0xff, + (BlockSize >> 8) & 0xff, + (BlockSize >> 0) & 0xff, + }; + if (!write(capacity, sizeof(capacity))) { + return false; + } + return true; +} + +bool USBMSD::write (uint8_t * buf, uint16_t size) { + + if (size >= cbw.DataLength) { + size = cbw.DataLength; + } + stage = SEND_CSW; + + if (!writeNB(EPBULK_IN, buf, size, MAX_PACKET_SIZE_EPBULK)) { + return false; + } + + csw.DataResidue -= size; + csw.Status = CSW_PASSED; + return true; +} + + +bool USBMSD::modeSense6 (void) { + uint8_t sense6[] = { 0x03, 0x00, 0x00, 0x00 }; + if (!write(sense6, sizeof(sense6))) { + return false; + } + return true; +} + +void USBMSD::sendCSW() { + csw.Signature = CSW_Signature; + writeNB(EPBULK_IN, (uint8_t *)&csw, sizeof(CSW), MAX_PACKET_SIZE_EPBULK); + stage = WAIT_CSW; +} + +bool USBMSD::requestSense (void) { + uint8_t request_sense[] = { + 0x70, + 0x00, + 0x05, // Sense Key: illegal request + 0x00, + 0x00, + 0x00, + 0x00, + 0x0A, + 0x00, + 0x00, + 0x00, + 0x00, + 0x30, + 0x01, + 0x00, + 0x00, + 0x00, + 0x00, + }; + + if (!write(request_sense, sizeof(request_sense))) { + return false; + } + + return true; +} + +void USBMSD::fail() { + csw.Status = CSW_FAILED; + sendCSW(); +} + + +void USBMSD::CBWDecode(uint8_t * buf, uint16_t size) { + if (size == sizeof(cbw)) { + memcpy((uint8_t *)&cbw, buf, size); + if (cbw.Signature == CBW_Signature) { + csw.Tag = cbw.Tag; + csw.DataResidue = cbw.DataLength; + if ((cbw.CBLength < 1) || (cbw.CBLength > 16) ) { + fail(); + } else { + switch (cbw.CB[0]) { + case TEST_UNIT_READY: + testUnitReady(); + break; + case REQUEST_SENSE: + requestSense(); + break; + case INQUIRY: + inquiryRequest(); + break; + case MODE_SENSE6: + modeSense6(); + break; + case READ_FORMAT_CAPACITIES: + readFormatCapacity(); + break; + case READ_CAPACITY: + readCapacity(); + break; + case READ10: + case READ12: + if (infoTransfer()) { + if ((cbw.Flags & 0x80)) { + stage = PROCESS_CBW; + memoryRead(); + } else { + stallEndpoint(EPBULK_OUT); + csw.Status = CSW_ERROR; + sendCSW(); + } + } + break; + case WRITE10: + case WRITE12: + if (infoTransfer()) { + if (!(cbw.Flags & 0x80)) { + stage = PROCESS_CBW; + } else { + stallEndpoint(EPBULK_IN); + csw.Status = CSW_ERROR; + sendCSW(); + } + } + break; + case VERIFY10: + if (!(cbw.CB[1] & 0x02)) { + csw.Status = CSW_PASSED; + sendCSW(); + break; + } + if (infoTransfer()) { + if (!(cbw.Flags & 0x80)) { + stage = PROCESS_CBW; + memOK = true; + } else { + stallEndpoint(EPBULK_IN); + csw.Status = CSW_ERROR; + sendCSW(); + } + } + break; + case MEDIA_REMOVAL: + csw.Status = CSW_PASSED; + sendCSW(); + break; + default: + fail(); + break; + } + } + } + } +} + +void USBMSD::testUnitReady (void) { + + if (cbw.DataLength != 0) { + if ((cbw.Flags & 0x80) != 0) { + stallEndpoint(EPBULK_IN); + } else { + stallEndpoint(EPBULK_OUT); + } + } + + csw.Status = CSW_PASSED; + sendCSW(); +} + + +void USBMSD::memoryRead (void) { + uint32_t n; + + n = (length > MAX_PACKET) ? MAX_PACKET : length; + + if ((addr + n) > MemorySize) { + n = MemorySize - addr; + stage = ERROR; + } + + // we read an entire block + if (!(addr%BlockSize)) + disk_read(page, addr/BlockSize); + + // write data which are in RAM + writeNB(EPBULK_IN, &page[addr%BlockSize], n, MAX_PACKET_SIZE_EPBULK); + + addr += n; + length -= n; + + csw.DataResidue -= n; + + if ( !length || (stage != PROCESS_CBW)) { + csw.Status = (stage == PROCESS_CBW) ? CSW_PASSED : CSW_FAILED; + stage = (stage == PROCESS_CBW) ? SEND_CSW : stage; + } +} + + +bool USBMSD::infoTransfer (void) { + uint32_t n; + + // Logical Block Address of First Block + n = (cbw.CB[2] << 24) | (cbw.CB[3] << 16) | (cbw.CB[4] << 8) | (cbw.CB[5] << 0); + + addr = n * BlockSize; + + // Number of Blocks to transfer + switch (cbw.CB[0]) { + case READ10: + case WRITE10: + case VERIFY10: + n = (cbw.CB[7] << 8) | (cbw.CB[8] << 0); + break; + + case READ12: + case WRITE12: + n = (cbw.CB[6] << 24) | (cbw.CB[7] << 16) | (cbw.CB[8] << 8) | (cbw.CB[9] << 0); + break; + } + + length = n * BlockSize; + + if (!cbw.DataLength) { // host requests no data + csw.Status = CSW_FAILED; + sendCSW(); + return false; + } + + if (cbw.DataLength != length) { + if ((cbw.Flags & 0x80) != 0) { + stallEndpoint(EPBULK_IN); + } else { + stallEndpoint(EPBULK_OUT); + } + + csw.Status = CSW_FAILED; + sendCSW(); + return false; + } + + return true; +} + + + + + +// Called in ISR context +// Set configuration. Return false if the +// configuration is not supported. +bool USBMSD::USBCallback_setConfiguration(uint8_t configuration) { + if (configuration != DEFAULT_CONFIGURATION) { + return false; + } + + // Configure endpoints > 0 + addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK); + addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); + + //activate readings + readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); + return true; +} + + +uint8_t * USBMSD::stringIinterfaceDesc() { + static uint8_t stringIinterfaceDescriptor[] = { + 0x08, //bLength + STRING_DESCRIPTOR, //bDescriptorType 0x03 + 'M',0,'S',0,'D',0 //bString iInterface - MSD + }; + return stringIinterfaceDescriptor; +} + +uint8_t * USBMSD::stringIproductDesc() { + static uint8_t stringIproductDescriptor[] = { + 0x12, //bLength + STRING_DESCRIPTOR, //bDescriptorType 0x03 + 'M',0,'b',0,'e',0,'d',0,' ',0,'M',0,'S',0,'D',0 //bString iProduct - Mbed Audio + }; + return stringIproductDescriptor; +} + + +uint8_t * USBMSD::configurationDesc() { + static uint8_t configDescriptor[] = { + + // Configuration 1 + 9, // bLength + 2, // bDescriptorType + LSB(9 + 9 + 7 + 7), // wTotalLength + MSB(9 + 9 + 7 + 7), + 0x01, // bNumInterfaces + 0x01, // bConfigurationValue: 0x01 is used to select this configuration + 0x00, // iConfiguration: no string to describe this configuration + 0xC0, // bmAttributes + 100, // bMaxPower, device power consumption is 100 mA + + // Interface 0, Alternate Setting 0, MSC Class + 9, // bLength + 4, // bDescriptorType + 0x00, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x02, // bNumEndpoints + 0x08, // bInterfaceClass + 0x06, // bInterfaceSubClass + 0x50, // bInterfaceProtocol + 0x04, // iInterface + + // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 + 7, // bLength + 5, // bDescriptorType + PHY_TO_DESC(EPBULK_IN), // bEndpointAddress + 0x02, // bmAttributes (0x02=bulk) + LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB) + MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB) + 0, // bInterval + + // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 + 7, // bLength + 5, // bDescriptorType + PHY_TO_DESC(EPBULK_OUT), // bEndpointAddress + 0x02, // bmAttributes (0x02=bulk) + LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB) + MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB) + 0 // bInterval + }; + return configDescriptor; +} diff --git a/libraries/USBDevice/USBMSD/USBMSD.h b/libraries/USBDevice/USBMSD/USBMSD.h new file mode 100644 index 0000000000..c8bcdaf35c --- /dev/null +++ b/libraries/USBDevice/USBMSD/USBMSD.h @@ -0,0 +1,239 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + + +#ifndef USBMSD_H +#define USBMSD_H + +/* These headers are included for child class. */ +#include "USBEndpoints.h" +#include "USBDescriptor.h" +#include "USBDevice_Types.h" + +#include "USBDevice.h" + +/** + * USBMSD class: generic class in order to use all kinds of blocks storage chip + * + * Introduction + * + * The USBMSD implements the MSD protocol. It permits to access a memory chip (flash, sdcard,...) + * from a computer over USB. But this class doesn't work standalone, you need to subclass this class + * and define virtual functions which are called in USBMSD. + * + * How to use this class with your chip ? + * + * You have to inherit and define some pure virtual functions (mandatory step): + * - virtual int disk_read(char * data, int block): function to read a block + * - virtual int disk_write(const char * data, int block): function to write a block + * - virtual int disk_initialize(): function to initialize the memory + * - virtual int disk_sectors(): return the number of blocks + * - virtual int disk_size(): return the memory size + * - virtual int disk_status(): return the status of the storage chip (0: OK, 1: not initialized, 2: no medium in the drive, 4: write protection) + * + * All functions names are compatible with the fat filesystem library. So you can imagine using your own class with + * USBMSD and the fat filesystem library in the same program. Just be careful because there are two different parts which + * will access the sd card. You can do a master/slave system using the disk_status method. + * + * Once these functions defined, you can call connect() (at the end of the constructor of your class for instance) + * of USBMSD to connect your mass storage device. connect() will first call disk_status() to test the status of the disk. + * If disk_status() returns 1 (disk not initialized), then disk_initialize() is called. After this step, connect() will collect information + * such as the number of blocks and the memory size. + */ +class USBMSD: public USBDevice { +public: + + /** + * Constructor + * + * @param vendor_id Your vendor_id + * @param product_id Your product_id + * @param product_release Your preoduct_release + */ + USBMSD(uint16_t vendor_id = 0x0703, uint16_t product_id = 0x0104, uint16_t product_release = 0x0001); + + /** + * Connect the USB MSD device. Establish disk initialization before really connect the device. + * + * @returns true if successful + */ + bool connect(); + + +protected: + + /* + * read a block on a storage chip + * + * @param data pointer where will be stored read data + * @param block block number + * @returns 0 if successful + */ + virtual int disk_read(uint8_t * data, uint64_t block) = 0; + + /* + * write a block on a storage chip + * + * @param data data to write + * @param block block number + * @returns 0 if successful + */ + virtual int disk_write(const uint8_t * data, uint64_t block) = 0; + + /* + * Disk initilization + */ + virtual int disk_initialize() = 0; + + /* + * Return the number of blocks + * + * @returns number of blocks + */ + virtual uint64_t disk_sectors() = 0; + + /* + * Return memory size + * + * @returns memory size + */ + virtual uint64_t disk_size() = 0; + + + /* + * To check the status of the storage chip + * + * @returns status: 0: OK, 1: disk not initialized, 2: no medium in the drive, 4: write protected + */ + virtual int disk_status() = 0; + + /* + * Get string product descriptor + * + * @returns pointer to the string product descriptor + */ + virtual uint8_t * stringIproductDesc(); + + /* + * Get string interface descriptor + * + * @returns pointer to the string interface descriptor + */ + virtual uint8_t * stringIinterfaceDesc(); + + /* + * Get configuration descriptor + * + * @returns pointer to the configuration descriptor + */ + virtual uint8_t * configurationDesc(); + + /* + * Callback called when a packet is received + */ + virtual bool EP2_OUT_callback(); + + /* + * Callback called when a packet has been sent + */ + virtual bool EP2_IN_callback(); + + /* + * Set configuration of device. Add endpoints + */ + virtual bool USBCallback_setConfiguration(uint8_t configuration); + + /* + * Callback called to process class specific requests + */ + virtual bool USBCallback_request(); + + +private: + + // MSC Bulk-only Stage + enum Stage { + READ_CBW, // wait a CBW + ERROR, // error + PROCESS_CBW, // process a CBW request + SEND_CSW, // send a CSW + WAIT_CSW, // wait that a CSW has been effectively sent + }; + + // Bulk-only CBW + typedef __packed struct { + uint32_t Signature; + uint32_t Tag; + uint32_t DataLength; + uint8_t Flags; + uint8_t LUN; + uint8_t CBLength; + uint8_t CB[16]; + } CBW; + + // Bulk-only CSW + typedef __packed struct { + uint32_t Signature; + uint32_t Tag; + uint32_t DataResidue; + uint8_t Status; + } CSW; + + //state of the bulk-only state machine + Stage stage; + + // current CBW + CBW cbw; + + // CSW which will be sent + CSW csw; + + // addr where will be read or written data + uint32_t addr; + + // length of a reading or writing + uint32_t length; + + // memory OK (after a memoryVerify) + bool memOK; + + // cache in RAM before writing in memory. Useful also to read a block. + uint8_t * page; + + int BlockSize; + uint64_t MemorySize; + uint64_t BlockCount; + + void CBWDecode(uint8_t * buf, uint16_t size); + void sendCSW (void); + bool inquiryRequest (void); + bool write (uint8_t * buf, uint16_t size); + bool readFormatCapacity(); + bool readCapacity (void); + bool infoTransfer (void); + void memoryRead (void); + bool modeSense6 (void); + void testUnitReady (void); + bool requestSense (void); + void memoryVerify (uint8_t * buf, uint16_t size); + void memoryWrite (uint8_t * buf, uint16_t size); + void reset(); + void fail(); +}; + +#endif diff --git a/libraries/USBDevice/USBSerial/CircBuffer.h b/libraries/USBDevice/USBSerial/CircBuffer.h new file mode 100644 index 0000000000..54226ec54f --- /dev/null +++ b/libraries/USBDevice/USBSerial/CircBuffer.h @@ -0,0 +1,69 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef CIRCBUFFER_H +#define CIRCBUFFER_H + +template +class CircBuffer { +public: + CircBuffer(int length) { + write = 0; + read = 0; + size = length + 1; + buf = (T *)malloc(size * sizeof(T)); + }; + + bool isFull() { + return ((write + 1) % size == read); + }; + + bool isEmpty() { + return (read == write); + }; + + void queue(T k) { + if (isFull()) { + read++; + read %= size; + } + buf[write++] = k; + write %= size; + } + + uint16_t available() { + return (write >= read) ? write - read : size - read + write; + }; + + bool dequeue(T * c) { + bool empty = isEmpty(); + if (!empty) { + *c = buf[read++]; + read %= size; + } + return(!empty); + }; + +private: + volatile uint16_t write; + volatile uint16_t read; + uint16_t size; + T * buf; +}; + +#endif diff --git a/libraries/USBDevice/USBSerial/USBCDC.cpp b/libraries/USBDevice/USBSerial/USBCDC.cpp new file mode 100644 index 0000000000..02a56fc684 --- /dev/null +++ b/libraries/USBDevice/USBSerial/USBCDC.cpp @@ -0,0 +1,253 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include "stdint.h" +#include "USBCDC.h" + +static uint8_t cdc_line_coding[7]= {0x80, 0x25, 0x00, 0x00, 0x00, 0x00, 0x08}; + +#define DEFAULT_CONFIGURATION (1) + +#define CDC_SET_LINE_CODING 0x20 +#define CDC_GET_LINE_CODING 0x21 +#define CDC_SET_CONTROL_LINE_STATE 0x22 + +#define MAX_CDC_REPORT_SIZE MAX_PACKET_SIZE_EPBULK + +USBCDC::USBCDC(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) { + terminal_connected = false; + USBDevice::connect(); +} + +bool USBCDC::USBCallback_request(void) { + /* Called in ISR context */ + + bool success = false; + CONTROL_TRANSFER * transfer = getTransferPtr(); + + /* Process class-specific requests */ + + if (transfer->setup.bmRequestType.Type == CLASS_TYPE) { + switch (transfer->setup.bRequest) { + case CDC_GET_LINE_CODING: + transfer->remaining = 7; + transfer->ptr = cdc_line_coding; + transfer->direction = DEVICE_TO_HOST; + success = true; + break; + case CDC_SET_LINE_CODING: + transfer->remaining = 7; + success = true; + terminal_connected = true; + break; + case CDC_SET_CONTROL_LINE_STATE: + terminal_connected = false; + success = true; + break; + default: + break; + } + } + + return success; +} + + +// Called in ISR context +// Set configuration. Return false if the +// configuration is not supported. +bool USBCDC::USBCallback_setConfiguration(uint8_t configuration) { + if (configuration != DEFAULT_CONFIGURATION) { + return false; + } + + // Configure endpoints > 0 + addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT); + addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK); + addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); + + // We activate the endpoint to be able to recceive data + readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); + return true; +} + +bool USBCDC::send(uint8_t * buffer, uint32_t size) { + return USBDevice::write(EPBULK_IN, buffer, size, MAX_CDC_REPORT_SIZE); +} + +bool USBCDC::readEP(uint8_t * buffer, uint32_t * size) { + if (!USBDevice::readEP(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE)) + return false; + if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE)) + return false; + return true; +} + +bool USBCDC::readEP_NB(uint8_t * buffer, uint32_t * size) { + if (!USBDevice::readEP_NB(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE)) + return false; + if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE)) + return false; + return true; +} + + +uint8_t * USBCDC::deviceDesc() { + static uint8_t deviceDescriptor[] = { + 18, // bLength + 1, // bDescriptorType + 0x10, 0x01, // bcdUSB + 2, // bDeviceClass + 0, // bDeviceSubClass + 0, // bDeviceProtocol + MAX_PACKET_SIZE_EP0, // bMaxPacketSize0 + LSB(VENDOR_ID), MSB(VENDOR_ID), // idVendor + LSB(PRODUCT_ID), MSB(PRODUCT_ID),// idProduct + 0x00, 0x01, // bcdDevice + 1, // iManufacturer + 2, // iProduct + 3, // iSerialNumber + 1 // bNumConfigurations + }; + return deviceDescriptor; +} + +uint8_t * USBCDC::stringIinterfaceDesc() { + static uint8_t stringIinterfaceDescriptor[] = { + 0x08, + STRING_DESCRIPTOR, + 'C',0,'D',0,'C',0, + }; + return stringIinterfaceDescriptor; +} + +uint8_t * USBCDC::stringIproductDesc() { + static uint8_t stringIproductDescriptor[] = { + 0x16, + STRING_DESCRIPTOR, + 'C',0,'D',0,'C',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 + }; + return stringIproductDescriptor; +} + + +#define CONFIG1_DESC_SIZE (9+8+9+5+5+4+5+7+9+7+7) + +uint8_t * USBCDC::configurationDesc() { + static uint8_t configDescriptor[] = { + // configuration descriptor + 9, // bLength + 2, // bDescriptorType + LSB(CONFIG1_DESC_SIZE), // wTotalLength + MSB(CONFIG1_DESC_SIZE), + 2, // bNumInterfaces + 1, // bConfigurationValue + 0, // iConfiguration + 0x80, // bmAttributes + 50, // bMaxPower + + // IAD to associate the two CDC interfaces + 0x08, // bLength + 0x0b, // bDescriptorType + 0x00, // bFirstInterface + 0x02, // bInterfaceCount + 0x02, // bFunctionClass + 0x02, // bFunctionSubClass + 0, // bFunctionProtocol + 0, // iFunction + + // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 + 9, // bLength + 4, // bDescriptorType + 0, // bInterfaceNumber + 0, // bAlternateSetting + 1, // bNumEndpoints + 0x02, // bInterfaceClass + 0x02, // bInterfaceSubClass + 0x01, // bInterfaceProtocol + 0, // iInterface + + // CDC Header Functional Descriptor, CDC Spec 5.2.3.1, Table 26 + 5, // bFunctionLength + 0x24, // bDescriptorType + 0x00, // bDescriptorSubtype + 0x10, 0x01, // bcdCDC + + // Call Management Functional Descriptor, CDC Spec 5.2.3.2, Table 27 + 5, // bFunctionLength + 0x24, // bDescriptorType + 0x01, // bDescriptorSubtype + 0x03, // bmCapabilities + 1, // bDataInterface + + // Abstract Control Management Functional Descriptor, CDC Spec 5.2.3.3, Table 28 + 4, // bFunctionLength + 0x24, // bDescriptorType + 0x02, // bDescriptorSubtype + 0x06, // bmCapabilities + + // Union Functional Descriptor, CDC Spec 5.2.3.8, Table 33 + 5, // bFunctionLength + 0x24, // bDescriptorType + 0x06, // bDescriptorSubtype + 0, // bMasterInterface + 1, // bSlaveInterface0 + + // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 + ENDPOINT_DESCRIPTOR_LENGTH, // bLength + ENDPOINT_DESCRIPTOR, // bDescriptorType + PHY_TO_DESC(EPINT_IN), // bEndpointAddress + E_INTERRUPT, // bmAttributes (0x03=intr) + LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) + MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) + 16, // bInterval + + + + + // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 + 9, // bLength + 4, // bDescriptorType + 1, // bInterfaceNumber + 0, // bAlternateSetting + 2, // bNumEndpoints + 0x0A, // bInterfaceClass + 0x00, // bInterfaceSubClass + 0x00, // bInterfaceProtocol + 0, // iInterface + + // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 + ENDPOINT_DESCRIPTOR_LENGTH, // bLength + ENDPOINT_DESCRIPTOR, // bDescriptorType + PHY_TO_DESC(EPBULK_IN), // bEndpointAddress + E_BULK, // bmAttributes (0x02=bulk) + LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB) + MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB) + 0, // bInterval + + // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 + ENDPOINT_DESCRIPTOR_LENGTH, // bLength + ENDPOINT_DESCRIPTOR, // bDescriptorType + PHY_TO_DESC(EPBULK_OUT), // bEndpointAddress + E_BULK, // bmAttributes (0x02=bulk) + LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB) + MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB) + 0 // bInterval + }; + return configDescriptor; +} diff --git a/libraries/USBDevice/USBSerial/USBCDC.h b/libraries/USBDevice/USBSerial/USBCDC.h new file mode 100644 index 0000000000..9d810f8ff8 --- /dev/null +++ b/libraries/USBDevice/USBSerial/USBCDC.h @@ -0,0 +1,110 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USBCDC_H +#define USBCDC_H + +/* These headers are included for child class. */ +#include "USBEndpoints.h" +#include "USBDescriptor.h" +#include "USBDevice_Types.h" + +#include "USBDevice.h" + +class USBCDC: public USBDevice { +public: + + /* + * Constructor + * + * @param vendor_id Your vendor_id + * @param product_id Your product_id + * @param product_release Your preoduct_release + */ + USBCDC(uint16_t vendor_id, uint16_t product_id, uint16_t product_release); + +protected: + + /* + * Get device descriptor. Warning: this method has to store the length of the report descriptor in reportLength. + * + * @returns pointer to the device descriptor + */ + virtual uint8_t * deviceDesc(); + + /* + * Get string product descriptor + * + * @returns pointer to the string product descriptor + */ + virtual uint8_t * stringIproductDesc(); + + /* + * Get string interface descriptor + * + * @returns pointer to the string interface descriptor + */ + virtual uint8_t * stringIinterfaceDesc(); + + /* + * Get configuration descriptor + * + * @returns pointer to the configuration descriptor + */ + virtual uint8_t * configurationDesc(); + + /* + * Send a buffer + * + * @param endpoint endpoint which will be sent the buffer + * @param buffer buffer to be sent + * @param size length of the buffer + * @returns true if successful + */ + bool send(uint8_t * buffer, uint32_t size); + + /* + * Read a buffer from a certain endpoint. Warning: blocking + * + * @param endpoint endpoint to read + * @param buffer buffer where will be stored bytes + * @param size the number of bytes read will be stored in *size + * @param maxSize the maximum length that can be read + * @returns true if successful + */ + bool readEP(uint8_t * buffer, uint32_t * size); + + /* + * Read a buffer from a certain endpoint. Warning: non blocking + * + * @param endpoint endpoint to read + * @param buffer buffer where will be stored bytes + * @param size the number of bytes read will be stored in *size + * @param maxSize the maximum length that can be read + * @returns true if successful + */ + bool readEP_NB(uint8_t * buffer, uint32_t * size); + +protected: + virtual bool USBCallback_request(); + virtual bool USBCallback_setConfiguration(uint8_t configuration); + volatile bool terminal_connected; + +}; + +#endif diff --git a/libraries/USBDevice/USBSerial/USBSerial.cpp b/libraries/USBDevice/USBSerial/USBSerial.cpp new file mode 100644 index 0000000000..ee3f12cdf8 --- /dev/null +++ b/libraries/USBDevice/USBSerial/USBSerial.cpp @@ -0,0 +1,69 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include "stdint.h" +#include "USBSerial.h" + +int USBSerial::_putc(int c) { + if (!terminal_connected) + return 0; + send((uint8_t *)&c, 1); + return 1; +} + +int USBSerial::_getc() { + uint8_t c; + while (buf.isEmpty()); + buf.dequeue(&c); + return c; +} + + +bool USBSerial::writeBlock(uint8_t * buf, uint16_t size) { + if(size > MAX_PACKET_SIZE_EPBULK) { + return false; + } + if(!send(buf, size)) { + return false; + } + return true; +} + + + +bool USBSerial::EP2_OUT_callback() { + uint8_t c[65]; + uint32_t size = 0; + + //we read the packet received and put it on the circular buffer + readEP(c, &size); + for (int i = 0; i < size; i++) { + buf.queue(c[i]); + } + + //call a potential handler + rx.call(); + + // We reactivate the endpoint to receive next characters + readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); + return true; +} + +uint8_t USBSerial::available() { + return buf.available(); +} diff --git a/libraries/USBDevice/USBSerial/USBSerial.h b/libraries/USBDevice/USBSerial/USBSerial.h new file mode 100644 index 0000000000..49fab116f8 --- /dev/null +++ b/libraries/USBDevice/USBSerial/USBSerial.h @@ -0,0 +1,128 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USBSERIAL_H +#define USBSERIAL_H + +#include "USBCDC.h" +#include "Stream.h" +#include "CircBuffer.h" + + +/** +* USBSerial example +* +* @code +* #include "mbed.h" +* #include "USBSerial.h" +* +* //Virtual serial port over USB +* USBSerial serial; +* +* int main(void) { +* +* while(1) +* { +* serial.printf("I am a virtual serial port\n"); +* wait(1); +* } +* } +* @endcode +*/ +class USBSerial: public USBCDC, public Stream { +public: + + /** + * Constructor + * + * @param vendor_id Your vendor_id (default: 0x1f00) + * @param product_id Your product_id (default: 0x2012) + * @param product_release Your preoduct_release (default: 0x0001) + * + */ + USBSerial(uint16_t vendor_id = 0x1f00, uint16_t product_id = 0x2012, uint16_t product_release = 0x0001): USBCDC(vendor_id, product_id, product_release), buf(128){ }; + + + /** + * Send a character. You can use puts, printf. + * + * @param c character to be sent + * @returns true if there is no error, false otherwise + */ + virtual int _putc(int c); + + /** + * Read a character: blocking + * + * @returns character read + */ + virtual int _getc(); + + /** + * Check the number of bytes available. + * + * @returns the number of bytes available + */ + uint8_t available(); + + /** + * Write a block of data. + * + * For more efficiency, a block of size 64 (maximum size of a bulk endpoint) has to be written. + * + * @param buf pointer on data which will be written + * @param size size of the buffer. The maximum size of a block is limited by the size of the endpoint (64 bytes) + * + * @returns true if successfull + */ + bool writeBlock(uint8_t * buf, uint16_t size); + + /** + * Attach a member function to call when a packet is received. + * + * @param tptr pointer to the object to call the member function on + * @param mptr pointer to the member function to be called + */ + template + void attach(T* tptr, void (T::*mptr)(void)) { + if((mptr != NULL) && (tptr != NULL)) { + rx.attach(tptr, mptr); + } + } + + /** + * Attach a callback called when a packet is received + * + * @param fptr function pointer + */ + void attach(void (*fn)(void)) { + if(fn != NULL) { + rx.attach(fn); + } + } + + +protected: + virtual bool EP2_OUT_callback(); + +private: + FunctionPointer rx; + CircBuffer buf; +}; + +#endif diff --git a/libraries/doc/mbed.dia b/libraries/doc/mbed.dia new file mode 100644 index 0000000000..af850e8421 Binary files /dev/null and b/libraries/doc/mbed.dia differ diff --git a/libraries/doc/net/doc.txt b/libraries/doc/net/doc.txt new file mode 100644 index 0000000000..270c64c06e --- /dev/null +++ b/libraries/doc/net/doc.txt @@ -0,0 +1,35 @@ +lwip/api/tcpip.c: tcpip_init -> tcpip_thread + +lwip/core/netif.c: netif_add +lwip/arch/lpc17_emac.c: lpc_enetif_init -> packet_rx, packet_tx + +=== tcpip_thread === + while (true): + sys_timeouts_mbox_fetch(&mbox, (void **)&msg) + ... + +Feeding the tcpip_thread mbox: + tcpip_input + tcpip_callback_with_block + tcpip_timeout + tcpip_untimeout + tcpip_apimsg + tcpip_netifapi + + +=== packet_rx === + while (true): + sys_arch_sem_wait(&lpc_enetif->RxSem, osWaitForever) + ... + +Feeding the RX semaphore: + ENET_IRQHandler + + +=== packet_tx === + while (true): + sys_arch_sem_wait(&lpc_enetif->TxCleanSem, osWaitForever) + ... + +Feeding the TX semaphore: + ENET_IRQHandler diff --git a/libraries/doc/net/layers.dia b/libraries/doc/net/layers.dia new file mode 100644 index 0000000000..ff427c8185 Binary files /dev/null and b/libraries/doc/net/layers.dia differ diff --git a/libraries/doc/net/source.txt b/libraries/doc/net/source.txt new file mode 100644 index 0000000000..9300ad3a62 --- /dev/null +++ b/libraries/doc/net/source.txt @@ -0,0 +1,32 @@ +lwip-1.4.0: + http://download.savannah.gnu.org/releases/lwip/lwip-1.4.0.zip + +NXP lwIP port: + http://sw.lpcware.com/index.php?p=lwip_lpc.git&a=snapshot&h=7b84446afe97af955acad1d720696a0de73ab7cf&fmt=zip + +NXP Driver Library (needed for Ethernet defines) + http://ics.nxp.com/support/documents/microcontrollers/zip/lpc17xx.cmsis.driver.library.zip + +# lwip library + lwip-1.4.0\src + api + core + include + netif + +# lwip-eth library + lwip_lpc\nxpcommon\ + examples/lpc177x_8x/ea1788/ea1788_tcpecho_freertos/source/configs/flash/lpc_emac_config.h + lpc_phy_dp83848.c + lpc_phy.h + arch\lpc177x_8x\lpc17_emac.c + arch\lpc177x_8x\lpc17_emac.h + lpc17xx.cmsis.driver.library\Drivers\include + lpc17xx_emac.h + +# lwip-sys library + lwip_lpc\nxpcommon\arch + cc.h + perf.h + touch sys_arch.c + touch sys_arch.h diff --git a/libraries/doc/net/sys_arch.txt b/libraries/doc/net/sys_arch.txt new file mode 100644 index 0000000000..38377b6655 --- /dev/null +++ b/libraries/doc/net/sys_arch.txt @@ -0,0 +1,216 @@ +sys_arch interface for lwIP 0.6++ + +Author: Adam Dunkels + +The operating system emulation layer provides a common interface +between the lwIP code and the underlying operating system kernel. The +general idea is that porting lwIP to new architectures requires only +small changes to a few header files and a new sys_arch +implementation. It is also possible to do a sys_arch implementation +that does not rely on any underlying operating system. + +The sys_arch provides semaphores and mailboxes to lwIP. For the full +lwIP functionality, multiple threads support can be implemented in the +sys_arch, but this is not required for the basic lwIP +functionality. Previous versions of lwIP required the sys_arch to +implement timer scheduling as well but as of lwIP 0.5 this is +implemented in a higher layer. + +In addition to the source file providing the functionality of sys_arch, +the OS emulation layer must provide several header files defining +macros used throughout lwip. The files required and the macros they +must define are listed below the sys_arch description. + +Semaphores can be either counting or binary - lwIP works with both +kinds. Mailboxes are used for message passing and can be implemented +either as a queue which allows multiple messages to be posted to a +mailbox, or as a rendez-vous point where only one message can be +posted at a time. lwIP works with both kinds, but the former type will +be more efficient. A message in a mailbox is just a pointer, nothing +more. + +Semaphores are represented by the type "sys_sem_t" which is typedef'd +in the sys_arch.h file. Mailboxes are equivalently represented by the +type "sys_mbox_t". lwIP does not place any restrictions on how +sys_sem_t or sys_mbox_t are represented internally. + +The following functions must be implemented by the sys_arch: + +- void sys_init(void) + + Is called to initialize the sys_arch layer. + +- sys_sem_t sys_sem_new(u8_t count) + + Creates and returns a new semaphore. The "count" argument specifies + the initial state of the semaphore. + +- void sys_sem_free(sys_sem_t sem) + + Deallocates a semaphore. + +- void sys_sem_signal(sys_sem_t sem) + + Signals a semaphore. + +- u32_t sys_arch_sem_wait(sys_sem_t sem, u32_t timeout) + + Blocks the thread while waiting for the semaphore to be + signaled. If the "timeout" argument is non-zero, the thread should + only be blocked for the specified time (measured in + milliseconds). If the "timeout" argument is zero, the thread should be + blocked until the semaphore is signalled. + + If the timeout argument is non-zero, the return value is the number of + milliseconds spent waiting for the semaphore to be signaled. If the + semaphore wasn't signaled within the specified time, the return value is + SYS_ARCH_TIMEOUT. If the thread didn't have to wait for the semaphore + (i.e., it was already signaled), the function may return zero. + + Notice that lwIP implements a function with a similar name, + sys_sem_wait(), that uses the sys_arch_sem_wait() function. + +- sys_mbox_t sys_mbox_new(int size) + + Creates an empty mailbox for maximum "size" elements. Elements stored + in mailboxes are pointers. You have to define macros "_MBOX_SIZE" + in your lwipopts.h, or ignore this parameter in your implementation + and use a default size. + +- void sys_mbox_free(sys_mbox_t mbox) + + Deallocates a mailbox. If there are messages still present in the + mailbox when the mailbox is deallocated, it is an indication of a + programming error in lwIP and the developer should be notified. + +- void sys_mbox_post(sys_mbox_t mbox, void *msg) + + Posts the "msg" to the mailbox. This function have to block until + the "msg" is really posted. + +- err_t sys_mbox_trypost(sys_mbox_t mbox, void *msg) + + Try to post the "msg" to the mailbox. Returns ERR_MEM if this one + is full, else, ERR_OK if the "msg" is posted. + +- u32_t sys_arch_mbox_fetch(sys_mbox_t mbox, void **msg, u32_t timeout) + + Blocks the thread until a message arrives in the mailbox, but does + not block the thread longer than "timeout" milliseconds (similar to + the sys_arch_sem_wait() function). If "timeout" is 0, the thread should + be blocked until a message arrives. The "msg" argument is a result + parameter that is set by the function (i.e., by doing "*msg = + ptr"). The "msg" parameter maybe NULL to indicate that the message + should be dropped. + + The return values are the same as for the sys_arch_sem_wait() function: + Number of milliseconds spent waiting or SYS_ARCH_TIMEOUT if there was a + timeout. + + Note that a function with a similar name, sys_mbox_fetch(), is + implemented by lwIP. + +- u32_t sys_arch_mbox_tryfetch(sys_mbox_t mbox, void **msg) + + This is similar to sys_arch_mbox_fetch, however if a message is not + present in the mailbox, it immediately returns with the code + SYS_MBOX_EMPTY. On success 0 is returned. + + To allow for efficient implementations, this can be defined as a + function-like macro in sys_arch.h instead of a normal function. For + example, a naive implementation could be: + #define sys_arch_mbox_tryfetch(mbox,msg) \ + sys_arch_mbox_fetch(mbox,msg,1) + although this would introduce unnecessary delays. + +If threads are supported by the underlying operating system and if +such functionality is needed in lwIP, the following function will have +to be implemented as well: + +- sys_thread_t sys_thread_new(char *name, void (* thread)(void *arg), void *arg, int stacksize, int prio) + + Starts a new thread named "name" with priority "prio" that will begin its + execution in the function "thread()". The "arg" argument will be passed as an + argument to the thread() function. The stack size to used for this thread is + the "stacksize" parameter. The id of the new thread is returned. Both the id + and the priority are system dependent. + +- sys_prot_t sys_arch_protect(void) + + This optional function does a "fast" critical region protection and returns + the previous protection level. This function is only called during very short + critical regions. An embedded system which supports ISR-based drivers might + want to implement this function by disabling interrupts. Task-based systems + might want to implement this by using a mutex or disabling tasking. This + function should support recursive calls from the same task or interrupt. In + other words, sys_arch_protect() could be called while already protected. In + that case the return value indicates that it is already protected. + + sys_arch_protect() is only required if your port is supporting an operating + system. + +- void sys_arch_unprotect(sys_prot_t pval) + + This optional function does a "fast" set of critical region protection to the + value specified by pval. See the documentation for sys_arch_protect() for + more information. This function is only required if your port is supporting + an operating system. + +Note: + +Be carefull with using mem_malloc() in sys_arch. When malloc() refers to +mem_malloc() you can run into a circular function call problem. In mem.c +mem_init() tries to allcate a semaphore using mem_malloc, which of course +can't be performed when sys_arch uses mem_malloc. + +------------------------------------------------------------------------------- +Additional files required for the "OS support" emulation layer: +------------------------------------------------------------------------------- + +cc.h - Architecture environment, some compiler specific, some + environment specific (probably should move env stuff + to sys_arch.h.) + + Typedefs for the types used by lwip - + u8_t, s8_t, u16_t, s16_t, u32_t, s32_t, mem_ptr_t + + Compiler hints for packing lwip's structures - + PACK_STRUCT_FIELD(x) + PACK_STRUCT_STRUCT + PACK_STRUCT_BEGIN + PACK_STRUCT_END + + Platform specific diagnostic output - + LWIP_PLATFORM_DIAG(x) - non-fatal, print a message. + LWIP_PLATFORM_ASSERT(x) - fatal, print message and abandon execution. + Portability defines for printf formatters: + U16_F, S16_F, X16_F, U32_F, S32_F, X32_F, SZT_F + + "lightweight" synchronization mechanisms - + SYS_ARCH_DECL_PROTECT(x) - declare a protection state variable. + SYS_ARCH_PROTECT(x) - enter protection mode. + SYS_ARCH_UNPROTECT(x) - leave protection mode. + + If the compiler does not provide memset() this file must include a + definition of it, or include a file which defines it. + + This file must either include a system-local which defines + the standard *nix error codes, or it should #define LWIP_PROVIDE_ERRNO + to make lwip/arch.h define the codes which are used throughout. + + +perf.h - Architecture specific performance measurement. + Measurement calls made throughout lwip, these can be defined to nothing. + PERF_START - start measuring something. + PERF_STOP(x) - stop measuring something, and record the result. + +sys_arch.h - Tied to sys_arch.c + + Arch dependent types for the following objects: + sys_sem_t, sys_mbox_t, sys_thread_t, + And, optionally: + sys_prot_t + + Defines to set vars of sys_mbox_t and sys_sem_t to NULL. + SYS_MBOX_NULL NULL + SYS_SEM_NULL NULL diff --git a/libraries/doc/net/tcp.dia b/libraries/doc/net/tcp.dia new file mode 100644 index 0000000000..7c79fabff1 Binary files /dev/null and b/libraries/doc/net/tcp.dia differ diff --git a/libraries/doc/net/udp.dia b/libraries/doc/net/udp.dia new file mode 100644 index 0000000000..cbffd7c93c Binary files /dev/null and b/libraries/doc/net/udp.dia differ diff --git a/libraries/doc/rtos.txt b/libraries/doc/rtos.txt new file mode 100644 index 0000000000..2afdc6a519 --- /dev/null +++ b/libraries/doc/rtos.txt @@ -0,0 +1,37 @@ +=== Tasks === + +^ os_tsk.new->task_id ^ Tasks ^ Stack Size ^ +| 0x01 | Main | 4*OS_MAINSTKSIZE | +| 0x02 | Timer | 4*OS_TIMERSTKSZ | +| 0xFF | Idle | 4*OS_STKSIZE | + +---------- + | + V os_tsk.run->tsk_stack + + +MAGIC_WORD os_tsk.run->stack[0] +---------- + +The current task structure is always pointed by: + struct OS_TSK os_tsk; + +=== Init Sequence === +OS: + * osKernelInitialize + * rt_sys_init + * rt_init_context + * rt_init_stack + * rt_set_PSP + * rt_init_robin + * rt_svc_init + + * set_main_stack + + * osThreadCreate(os_thread_def_main) + * rt_tsk_create + * rt_init_context + * rt_init_stack + * rt_dispatch + + * osKernelStart diff --git a/libraries/doc/style.xml b/libraries/doc/style.xml new file mode 100644 index 0000000000..c991069fcb --- /dev/null +++ b/libraries/doc/style.xml @@ -0,0 +1,166 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_abs_f32.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_abs_f32.c new file mode 100644 index 0000000000..3c9d360c66 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_abs_f32.c @@ -0,0 +1,159 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_abs_f32.c +* +* Description: Vector absolute value. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* ---------------------------------------------------------------------------- */ + +#include "arm_math.h" +#include + +/** + * @ingroup groupMath + */ + +/** + * @defgroup BasicAbs Vector Absolute Value + * + * Computes the absolute value of a vector on an element-by-element basis. + * + * 
        
+ *     pDst[n] = abs(pSrcA[n]),   0 <= n < blockSize.        
+ *
+ * + * The operation can be done in-place by setting the input and output pointers to the same buffer. + * There are separate functions for floating-point, Q7, Q15, and Q31 data types. + */ + +/** + * @addtogroup BasicAbs + * @{ + */ + +/** + * @brief Floating-point vector absolute value. + * @param[in] *pSrc points to the input buffer + * @param[out] *pDst points to the output buffer + * @param[in] blockSize number of samples in each vector + * @return none. + */ + +void arm_abs_f32( + float32_t * pSrc, + float32_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + + /* Run the below code for Cortex-M4 and Cortex-M3 */ + float32_t in1, in2, in3, in4; /* temporary variables */ + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = |A| */ + /* Calculate absolute and then store the results in the destination buffer. */ + /* read sample from source */ + in1 = *pSrc; + in2 = *(pSrc + 1); + in3 = *(pSrc + 2); + + /* find absolute value */ + in1 = fabsf(in1); + + /* read sample from source */ + in4 = *(pSrc + 3); + + /* find absolute value */ + in2 = fabsf(in2); + + /* read sample from source */ + *pDst = in1; + + /* find absolute value */ + in3 = fabsf(in3); + + /* find absolute value */ + in4 = fabsf(in4); + + /* store result to destination */ + *(pDst + 1) = in2; + + /* store result to destination */ + *(pDst + 2) = in3; + + /* store result to destination */ + *(pDst + 3) = in4; + + + /* Update source pointer to process next sampels */ + pSrc += 4u; + + /* Update destination pointer to process next sampels */ + pDst += 4u; + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + while(blkCnt > 0u) + { + /* C = |A| */ + /* Calculate absolute and then store the results in the destination buffer. */ + *pDst++ = fabsf(*pSrc++); + + /* Decrement the loop counter */ + blkCnt--; + } +} + +/** + * @} end of BasicAbs group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_abs_q15.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_abs_q15.c new file mode 100644 index 0000000000..6b6fdf4ef4 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_abs_q15.c @@ -0,0 +1,173 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_abs_q15.c +* +* Description: Q15 vector absolute value. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup BasicAbs + * @{ + */ + +/** + * @brief Q15 vector absolute value. + * @param[in] *pSrc points to the input buffer + * @param[out] *pDst points to the output buffer + * @param[in] blockSize number of samples in each vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * The Q15 value -1 (0x8000) will be saturated to the maximum allowable positive value 0x7FFF. + */ + +void arm_abs_q15( + q15_t * pSrc, + q15_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + + q15_t in1; /* Input value1 */ + q15_t in2; /* Input value2 */ + + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = |A| */ + /* Read two inputs */ + in1 = *pSrc++; + in2 = *pSrc++; + + + /* Store the Absolute result in the destination buffer by packing the two values, in a single cycle */ + +#ifndef ARM_MATH_BIG_ENDIAN + + *__SIMD32(pDst)++ = + __PKHBT(((in1 > 0) ? in1 : __QSUB16(0, in1)), + ((in2 > 0) ? in2 : __QSUB16(0, in2)), 16); + +#else + + + *__SIMD32(pDst)++ = + __PKHBT(((in2 > 0) ? in2 : __QSUB16(0, in2)), + ((in1 > 0) ? in1 : __QSUB16(0, in1)), 16); + +#endif /* #ifndef ARM_MATH_BIG_ENDIAN */ + + in1 = *pSrc++; + in2 = *pSrc++; + + +#ifndef ARM_MATH_BIG_ENDIAN + + *__SIMD32(pDst)++ = + __PKHBT(((in1 > 0) ? in1 : __QSUB16(0, in1)), + ((in2 > 0) ? in2 : __QSUB16(0, in2)), 16); + +#else + + + *__SIMD32(pDst)++ = + __PKHBT(((in2 > 0) ? in2 : __QSUB16(0, in2)), + ((in1 > 0) ? in1 : __QSUB16(0, in1)), 16); + +#endif /* #ifndef ARM_MATH_BIG_ENDIAN */ + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = |A| */ + /* Read the input */ + in1 = *pSrc++; + + /* Calculate absolute value of input and then store the result in the destination buffer. */ + *pDst++ = (in1 > 0) ? in1 : __QSUB16(0, in1); + + /* Decrement the loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + q15_t in; /* Temporary input variable */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = |A| */ + /* Read the input */ + in = *pSrc++; + + /* Calculate absolute value of input and then store the result in the destination buffer. */ + *pDst++ = (in > 0) ? in : ((in == (q15_t) 0x8000) ? 0x7fff : -in); + + /* Decrement the loop counter */ + blkCnt--; + } + +#endif /* #ifndef ARM_MATH_CM0 */ + +} + +/** + * @} end of BasicAbs group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_abs_q31.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_abs_q31.c new file mode 100644 index 0000000000..5c3d56f749 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_abs_q31.c @@ -0,0 +1,125 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_abs_q31.c +* +* Description: Q31 vector absolute value. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup BasicAbs + * @{ + */ + + +/** + * @brief Q31 vector absolute value. + * @param[in] *pSrc points to the input buffer + * @param[out] *pDst points to the output buffer + * @param[in] blockSize number of samples in each vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * The Q31 value -1 (0x80000000) will be saturated to the maximum allowable positive value 0x7FFFFFFF. + */ + +void arm_abs_q31( + q31_t * pSrc, + q31_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + q31_t in; /* Input value */ + +#ifndef ARM_MATH_CM0 + + /* Run the below code for Cortex-M4 and Cortex-M3 */ + q31_t in1, in2, in3, in4; + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = |A| */ + /* Calculate absolute of input (if -1 then saturated to 0x7fffffff) and then store the results in the destination buffer. */ + in1 = *pSrc++; + in2 = *pSrc++; + in3 = *pSrc++; + in4 = *pSrc++; + + *pDst++ = (in1 > 0) ? in1 : __QSUB(0, in1); + *pDst++ = (in2 > 0) ? in2 : __QSUB(0, in2); + *pDst++ = (in3 > 0) ? in3 : __QSUB(0, in3); + *pDst++ = (in4 > 0) ? in4 : __QSUB(0, in4); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + while(blkCnt > 0u) + { + /* C = |A| */ + /* Calculate absolute value of the input (if -1 then saturated to 0x7fffffff) and then store the results in the destination buffer. */ + in = *pSrc++; + *pDst++ = (in > 0) ? in : ((in == 0x80000000) ? 0x7fffffff : -in); + + /* Decrement the loop counter */ + blkCnt--; + } + +} + +/** + * @} end of BasicAbs group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_abs_q7.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_abs_q7.c new file mode 100644 index 0000000000..0ae0a2f5b3 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_abs_q7.c @@ -0,0 +1,152 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_abs_q7.c +* +* Description: Q7 vector absolute value. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup BasicAbs + * @{ + */ + +/** + * @brief Q7 vector absolute value. + * @param[in] *pSrc points to the input buffer + * @param[out] *pDst points to the output buffer + * @param[in] blockSize number of samples in each vector + * @return none. + * + * \par Conditions for optimum performance + * Input and output buffers should be aligned by 32-bit + * + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * The Q7 value -1 (0x80) will be saturated to the maximum allowable positive value 0x7F. + */ + +void arm_abs_q7( + q7_t * pSrc, + q7_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + q7_t in; /* Input value1 */ + +#ifndef ARM_MATH_CM0 + + /* Run the below code for Cortex-M4 and Cortex-M3 */ + q31_t in1, in2, in3, in4; /* temporary input variables */ + q31_t out1, out2, out3, out4; /* temporary output variables */ + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = |A| */ + /* Read inputs */ + in1 = (q31_t) * pSrc; + in2 = (q31_t) * (pSrc + 1); + in3 = (q31_t) * (pSrc + 2); + + /* find absolute value */ + out1 = (in1 > 0) ? in1 : __QSUB8(0, in1); + + /* read input */ + in4 = (q31_t) * (pSrc + 3); + + /* find absolute value */ + out2 = (in2 > 0) ? in2 : __QSUB8(0, in2); + + /* store result to destination */ + *pDst = (q7_t) out1; + + /* find absolute value */ + out3 = (in3 > 0) ? in3 : __QSUB8(0, in3); + + /* find absolute value */ + out4 = (in4 > 0) ? in4 : __QSUB8(0, in4); + + /* store result to destination */ + *(pDst + 1) = (q7_t) out2; + + /* store result to destination */ + *(pDst + 2) = (q7_t) out3; + + /* store result to destination */ + *(pDst + 3) = (q7_t) out4; + + /* update pointers to process next samples */ + pSrc += 4u; + pDst += 4u; + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; +#else + + /* Run the below code for Cortex-M0 */ + blkCnt = blockSize; + +#endif // #define ARM_MATH_CM0 + + while(blkCnt > 0u) + { + /* C = |A| */ + /* Read the input */ + in = *pSrc++; + + /* Store the Absolute result in the destination buffer */ + *pDst++ = (in > 0) ? in : ((in == (q7_t) 0x80) ? 0x7f : -in); + + /* Decrement the loop counter */ + blkCnt--; + } +} + +/** + * @} end of BasicAbs group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_add_f32.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_add_f32.c new file mode 100644 index 0000000000..29425373f2 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_add_f32.c @@ -0,0 +1,145 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_add_f32.c +* +* Description: Floating-point vector addition. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* ---------------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @defgroup BasicAdd Vector Addition + * + * Element-by-element addition of two vectors. + * + * 
        
+ *     pDst[n] = pSrcA[n] + pSrcB[n],   0 <= n < blockSize.        
+ *
+ * + * There are separate functions for floating-point, Q7, Q15, and Q31 data types. + */ + +/** + * @addtogroup BasicAdd + * @{ + */ + +/** + * @brief Floating-point vector addition. + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in each vector + * @return none. + */ + +void arm_add_f32( + float32_t * pSrcA, + float32_t * pSrcB, + float32_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + float32_t inA1, inA2, inA3, inA4; /* temporary input variabels */ + float32_t inB1, inB2, inB3, inB4; /* temporary input variables */ + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A + B */ + /* Add and then store the results in the destination buffer. */ + + /* read four inputs from sourceA and four inputs from sourceB */ + inA1 = *pSrcA; + inB1 = *pSrcB; + inA2 = *(pSrcA + 1); + inB2 = *(pSrcB + 1); + inA3 = *(pSrcA + 2); + inB3 = *(pSrcB + 2); + inA4 = *(pSrcA + 3); + inB4 = *(pSrcB + 3); + + /* C = A + B */ + /* add and store result to destination */ + *pDst = inA1 + inB1; + *(pDst + 1) = inA2 + inB2; + *(pDst + 2) = inA3 + inB3; + *(pDst + 3) = inA4 + inB4; + + /* update pointers to process next samples */ + pSrcA += 4u; + pSrcB += 4u; + pDst += 4u; + + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + while(blkCnt > 0u) + { + /* C = A + B */ + /* Add and then store the results in the destination buffer. */ + *pDst++ = (*pSrcA++) + (*pSrcB++); + + /* Decrement the loop counter */ + blkCnt--; + } +} + +/** + * @} end of BasicAdd group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_add_q15.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_add_q15.c new file mode 100644 index 0000000000..6de4a03368 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_add_q15.c @@ -0,0 +1,135 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_add_q15.c +* +* Description: Q15 vector addition +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup BasicAdd + * @{ + */ + +/** + * @brief Q15 vector addition. + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in each vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q15 range [0x8000 0x7FFF] will be saturated. + */ + +void arm_add_q15( + q15_t * pSrcA, + q15_t * pSrcB, + q15_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q31_t inA1, inA2, inB1, inB2; + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A + B */ + /* Add and then store the results in the destination buffer. */ + inA1 = *__SIMD32(pSrcA)++; + inA2 = *__SIMD32(pSrcA)++; + inB1 = *__SIMD32(pSrcB)++; + inB2 = *__SIMD32(pSrcB)++; + + *__SIMD32(pDst)++ = __QADD16(inA1, inB1); + *__SIMD32(pDst)++ = __QADD16(inA2, inB2); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A + B */ + /* Add and then store the results in the destination buffer. */ + *pDst++ = (q15_t) __QADD16(*pSrcA++, *pSrcB++); + + /* Decrement the loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A + B */ + /* Add and then store the results in the destination buffer. */ + *pDst++ = (q15_t) __SSAT(((q31_t) * pSrcA++ + *pSrcB++), 16); + + /* Decrement the loop counter */ + blkCnt--; + } + +#endif /* #ifndef ARM_MATH_CM0 */ + + +} + +/** + * @} end of BasicAdd group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_add_q31.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_add_q31.c new file mode 100644 index 0000000000..576efe6c74 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_add_q31.c @@ -0,0 +1,143 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_add_q31.c +* +* Description: Q31 vector addition. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup BasicAdd + * @{ + */ + + +/** + * @brief Q31 vector addition. + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in each vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q31 range[0x80000000 0x7FFFFFFF] will be saturated. + */ + +void arm_add_q31( + q31_t * pSrcA, + q31_t * pSrcB, + q31_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q31_t inA1, inA2, inA3, inA4; + q31_t inB1, inB2, inB3, inB4; + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A + B */ + /* Add and then store the results in the destination buffer. */ + inA1 = *pSrcA++; + inA2 = *pSrcA++; + inB1 = *pSrcB++; + inB2 = *pSrcB++; + + inA3 = *pSrcA++; + inA4 = *pSrcA++; + inB3 = *pSrcB++; + inB4 = *pSrcB++; + + *pDst++ = __QADD(inA1, inB1); + *pDst++ = __QADD(inA2, inB2); + *pDst++ = __QADD(inA3, inB3); + *pDst++ = __QADD(inA4, inB4); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A + B */ + /* Add and then store the results in the destination buffer. */ + *pDst++ = __QADD(*pSrcA++, *pSrcB++); + + /* Decrement the loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A + B */ + /* Add and then store the results in the destination buffer. */ + *pDst++ = (q31_t) clip_q63_to_q31((q63_t) * pSrcA++ + *pSrcB++); + + /* Decrement the loop counter */ + blkCnt--; + } + +#endif /* #ifndef ARM_MATH_CM0 */ + +} + +/** + * @} end of BasicAdd group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_add_q7.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_add_q7.c new file mode 100644 index 0000000000..6f75e1d42f --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_add_q7.c @@ -0,0 +1,129 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_add_q7.c +* +* Description: Q7 vector addition. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup BasicAdd + * @{ + */ + +/** + * @brief Q7 vector addition. + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in each vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q7 range [0x80 0x7F] will be saturated. + */ + +void arm_add_q7( + q7_t * pSrcA, + q7_t * pSrcB, + q7_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A + B */ + /* Add and then store the results in the destination buffer. */ + *__SIMD32(pDst)++ = __QADD8(*__SIMD32(pSrcA)++, *__SIMD32(pSrcB)++); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A + B */ + /* Add and then store the results in the destination buffer. */ + *pDst++ = (q7_t) __SSAT(*pSrcA++ + *pSrcB++, 8); + + /* Decrement the loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A + B */ + /* Add and then store the results in the destination buffer. */ + *pDst++ = (q7_t) __SSAT((q15_t) * pSrcA++ + *pSrcB++, 8); + + /* Decrement the loop counter */ + blkCnt--; + } + +#endif /* #ifndef ARM_MATH_CM0 */ + + +} + +/** + * @} end of BasicAdd group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_dot_prod_f32.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_dot_prod_f32.c new file mode 100644 index 0000000000..933b001703 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_dot_prod_f32.c @@ -0,0 +1,125 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_dot_prod_f32.c +* +* Description: Floating-point dot product. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* ---------------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @defgroup dot_prod Vector Dot Product + * + * Computes the dot product of two vectors. + * The vectors are multiplied element-by-element and then summed. + * There are separate functions for floating-point, Q7, Q15, and Q31 data types. + */ + +/** + * @addtogroup dot_prod + * @{ + */ + +/** + * @brief Dot product of floating-point vectors. + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[in] blockSize number of samples in each vector + * @param[out] *result output result returned here + * @return none. + */ + + +void arm_dot_prod_f32( + float32_t * pSrcA, + float32_t * pSrcB, + uint32_t blockSize, + float32_t * result) +{ + float32_t sum = 0.0f; /* Temporary result storage */ + uint32_t blkCnt; /* loop counter */ + + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A[0]* B[0] + A[1]* B[1] + A[2]* B[2] + .....+ A[blockSize-1]* B[blockSize-1] */ + /* Calculate dot product and then store the result in a temporary buffer */ + sum += (*pSrcA++) * (*pSrcB++); + sum += (*pSrcA++) * (*pSrcB++); + sum += (*pSrcA++) * (*pSrcB++); + sum += (*pSrcA++) * (*pSrcB++); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + + while(blkCnt > 0u) + { + /* C = A[0]* B[0] + A[1]* B[1] + A[2]* B[2] + .....+ A[blockSize-1]* B[blockSize-1] */ + /* Calculate dot product and then store the result in a temporary buffer. */ + sum += (*pSrcA++) * (*pSrcB++); + + /* Decrement the loop counter */ + blkCnt--; + } + /* Store the result back in the destination buffer */ + *result = sum; +} + +/** + * @} end of dot_prod group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_dot_prod_q15.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_dot_prod_q15.c new file mode 100644 index 0000000000..865e4c4331 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_dot_prod_q15.c @@ -0,0 +1,135 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_dot_prod_q15.c +* +* Description: Q15 dot product. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup dot_prod + * @{ + */ + +/** + * @brief Dot product of Q15 vectors. + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[in] blockSize number of samples in each vector + * @param[out] *result output result returned here + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The intermediate multiplications are in 1.15 x 1.15 = 2.30 format and these + * results are added to a 64-bit accumulator in 34.30 format. + * Nonsaturating additions are used and given that there are 33 guard bits in the accumulator + * there is no risk of overflow. + * The return result is in 34.30 format. + */ + +void arm_dot_prod_q15( + q15_t * pSrcA, + q15_t * pSrcB, + uint32_t blockSize, + q63_t * result) +{ + q63_t sum = 0; /* Temporary result storage */ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A[0]* B[0] + A[1]* B[1] + A[2]* B[2] + .....+ A[blockSize-1]* B[blockSize-1] */ + /* Calculate dot product and then store the result in a temporary buffer. */ + sum = __SMLALD(*__SIMD32(pSrcA)++, *__SIMD32(pSrcB)++, sum); + sum = __SMLALD(*__SIMD32(pSrcA)++, *__SIMD32(pSrcB)++, sum); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A[0]* B[0] + A[1]* B[1] + A[2]* B[2] + .....+ A[blockSize-1]* B[blockSize-1] */ + /* Calculate dot product and then store the results in a temporary buffer. */ + sum = __SMLALD(*pSrcA++, *pSrcB++, sum); + + /* Decrement the loop counter */ + blkCnt--; + } + + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A[0]* B[0] + A[1]* B[1] + A[2]* B[2] + .....+ A[blockSize-1]* B[blockSize-1] */ + /* Calculate dot product and then store the results in a temporary buffer. */ + sum += (q63_t) ((q31_t) * pSrcA++ * *pSrcB++); + + /* Decrement the loop counter */ + blkCnt--; + } + +#endif /* #ifndef ARM_MATH_CM0 */ + + /* Store the result in the destination buffer in 34.30 format */ + *result = sum; + +} + +/** + * @} end of dot_prod group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_dot_prod_q31.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_dot_prod_q31.c new file mode 100644 index 0000000000..1f98e41d6c --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_dot_prod_q31.c @@ -0,0 +1,138 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_dot_prod_q31.c +* +* Description: Q31 dot product. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup dot_prod + * @{ + */ + +/** + * @brief Dot product of Q31 vectors. + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[in] blockSize number of samples in each vector + * @param[out] *result output result returned here + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The intermediate multiplications are in 1.31 x 1.31 = 2.62 format and these + * are truncated to 2.48 format by discarding the lower 14 bits. + * The 2.48 result is then added without saturation to a 64-bit accumulator in 16.48 format. + * There are 15 guard bits in the accumulator and there is no risk of overflow as long as + * the length of the vectors is less than 2^16 elements. + * The return result is in 16.48 format. + */ + +void arm_dot_prod_q31( + q31_t * pSrcA, + q31_t * pSrcB, + uint32_t blockSize, + q63_t * result) +{ + q63_t sum = 0; /* Temporary result storage */ + uint32_t blkCnt; /* loop counter */ + + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q31_t inA1, inA2, inA3, inA4; + q31_t inB1, inB2, inB3, inB4; + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A[0]* B[0] + A[1]* B[1] + A[2]* B[2] + .....+ A[blockSize-1]* B[blockSize-1] */ + /* Calculate dot product and then store the result in a temporary buffer. */ + inA1 = *pSrcA++; + inA2 = *pSrcA++; + inA3 = *pSrcA++; + inA4 = *pSrcA++; + inB1 = *pSrcB++; + inB2 = *pSrcB++; + inB3 = *pSrcB++; + inB4 = *pSrcB++; + + sum += ((q63_t) inA1 * inB1) >> 14u; + sum += ((q63_t) inA2 * inB2) >> 14u; + sum += ((q63_t) inA3 * inB3) >> 14u; + sum += ((q63_t) inA4 * inB4) >> 14u; + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + + while(blkCnt > 0u) + { + /* C = A[0]* B[0] + A[1]* B[1] + A[2]* B[2] + .....+ A[blockSize-1]* B[blockSize-1] */ + /* Calculate dot product and then store the result in a temporary buffer. */ + sum += ((q63_t) * pSrcA++ * *pSrcB++) >> 14u; + + /* Decrement the loop counter */ + blkCnt--; + } + + /* Store the result in the destination buffer in 16.48 format */ + *result = sum; +} + +/** + * @} end of dot_prod group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_dot_prod_q7.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_dot_prod_q7.c new file mode 100644 index 0000000000..9cf0bf4034 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_dot_prod_q7.c @@ -0,0 +1,154 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_dot_prod_q7.c +* +* Description: Q7 dot product. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup dot_prod + * @{ + */ + +/** + * @brief Dot product of Q7 vectors. + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[in] blockSize number of samples in each vector + * @param[out] *result output result returned here + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The intermediate multiplications are in 1.7 x 1.7 = 2.14 format and these + * results are added to an accumulator in 18.14 format. + * Nonsaturating additions are used and there is no danger of wrap around as long as + * the vectors are less than 2^18 elements long. + * The return result is in 18.14 format. + */ + +void arm_dot_prod_q7( + q7_t * pSrcA, + q7_t * pSrcB, + uint32_t blockSize, + q31_t * result) +{ + uint32_t blkCnt; /* loop counter */ + + q31_t sum = 0; /* Temporary variables to store output */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + + q31_t input1, input2; /* Temporary variables to store input */ + q31_t inA1, inA2, inB1, inB2; /* Temporary variables to store input */ + + + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* read 4 samples at a time from sourceA */ + input1 = *__SIMD32(pSrcA)++; + /* read 4 samples at a time from sourceB */ + input2 = *__SIMD32(pSrcB)++; + + /* extract two q7_t samples to q15_t samples */ + inA1 = __SXTB16(__ROR(input1, 8)); + /* extract reminaing two samples */ + inA2 = __SXTB16(input1); + /* extract two q7_t samples to q15_t samples */ + inB1 = __SXTB16(__ROR(input2, 8)); + /* extract reminaing two samples */ + inB2 = __SXTB16(input2); + + /* multiply and accumulate two samples at a time */ + sum = __SMLAD(inA1, inB1, sum); + sum = __SMLAD(inA2, inB2, sum); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A[0]* B[0] + A[1]* B[1] + A[2]* B[2] + .....+ A[blockSize-1]* B[blockSize-1] */ + /* Dot product and then store the results in a temporary buffer. */ + sum = __SMLAD(*pSrcA++, *pSrcB++, sum); + + /* Decrement the loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A[0]* B[0] + A[1]* B[1] + A[2]* B[2] + .....+ A[blockSize-1]* B[blockSize-1] */ + /* Dot product and then store the results in a temporary buffer. */ + sum += (q31_t) ((q15_t) * pSrcA++ * *pSrcB++); + + /* Decrement the loop counter */ + blkCnt--; + } + +#endif /* #ifndef ARM_MATH_CM0 */ + + + /* Store the result in the destination buffer in 18.14 format */ + *result = sum; +} + +/** + * @} end of dot_prod group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_mult_f32.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_mult_f32.c new file mode 100644 index 0000000000..682931eacd --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_mult_f32.c @@ -0,0 +1,172 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_mult_f32.c +* +* Description: Floating-point vector multiplication. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.5 2010/04/26 +* incorporated review comments and updated with latest CMSIS layer +* +* Version 0.0.3 2010/03/10 +* Initial version +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @defgroup BasicMult Vector Multiplication + * + * Element-by-element multiplication of two vectors. + * + * 
        
+ *     pDst[n] = pSrcA[n] * pSrcB[n],   0 <= n < blockSize.        
+ *
+ * + * There are separate functions for floating-point, Q7, Q15, and Q31 data types. + */ + +/** + * @addtogroup BasicMult + * @{ + */ + +/** + * @brief Floating-point vector multiplication. + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in each vector + * @return none. + */ + +void arm_mult_f32( + float32_t * pSrcA, + float32_t * pSrcB, + float32_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counters */ +#ifndef ARM_MATH_CM0 + + /* Run the below code for Cortex-M4 and Cortex-M3 */ + float32_t inA1, inA2, inA3, inA4; /* temporary input variables */ + float32_t inB1, inB2, inB3, inB4; /* temporary input variables */ + float32_t out1, out2, out3, out4; /* temporary output variables */ + + /* loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A * B */ + /* Multiply the inputs and store the results in output buffer */ + /* read sample from sourceA */ + inA1 = *pSrcA; + /* read sample from sourceB */ + inB1 = *pSrcB; + /* read sample from sourceA */ + inA2 = *(pSrcA + 1); + /* read sample from sourceB */ + inB2 = *(pSrcB + 1); + + /* out = sourceA * sourceB */ + out1 = inA1 * inB1; + + /* read sample from sourceA */ + inA3 = *(pSrcA + 2); + /* read sample from sourceB */ + inB3 = *(pSrcB + 2); + + /* out = sourceA * sourceB */ + out2 = inA2 * inB2; + + /* read sample from sourceA */ + inA4 = *(pSrcA + 3); + + /* store result to destination buffer */ + *pDst = out1; + + /* read sample from sourceB */ + inB4 = *(pSrcB + 3); + + /* out = sourceA * sourceB */ + out3 = inA3 * inB3; + + /* store result to destination buffer */ + *(pDst + 1) = out2; + + /* out = sourceA * sourceB */ + out4 = inA4 * inB4; + /* store result to destination buffer */ + *(pDst + 2) = out3; + /* store result to destination buffer */ + *(pDst + 3) = out4; + + + /* update pointers to process next samples */ + pSrcA += 4u; + pSrcB += 4u; + pDst += 4u; + + /* Decrement the blockSize loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + while(blkCnt > 0u) + { + /* C = A * B */ + /* Multiply the inputs and store the results in output buffer */ + *pDst++ = (*pSrcA++) * (*pSrcB++); + + /* Decrement the blockSize loop counter */ + blkCnt--; + } +} + +/** + * @} end of BasicMult group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_mult_q15.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_mult_q15.c new file mode 100644 index 0000000000..00a522d97a --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_mult_q15.c @@ -0,0 +1,152 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_mult_q15.c +* +* Description: Q15 vector multiplication. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.5 2010/04/26 +* incorporated review comments and updated with latest CMSIS layer +* +* Version 0.0.3 2010/03/10 +* Initial version +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup BasicMult + * @{ + */ + + +/** + * @brief Q15 vector multiplication + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in each vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q15 range [0x8000 0x7FFF] will be saturated. + */ + +void arm_mult_q15( + q15_t * pSrcA, + q15_t * pSrcB, + q15_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counters */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q31_t inA1, inA2, inB1, inB2; /* temporary input variables */ + q15_t out1, out2, out3, out4; /* temporary output variables */ + q31_t mul1, mul2, mul3, mul4; /* temporary variables */ + + /* loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* read two samples at a time from sourceA */ + inA1 = *__SIMD32(pSrcA)++; + /* read two samples at a time from sourceB */ + inB1 = *__SIMD32(pSrcB)++; + /* read two samples at a time from sourceA */ + inA2 = *__SIMD32(pSrcA)++; + /* read two samples at a time from sourceB */ + inB2 = *__SIMD32(pSrcB)++; + + /* multiply mul = sourceA * sourceB */ + mul1 = (q31_t) ((q15_t) (inA1 >> 16) * (q15_t) (inB1 >> 16)); + mul2 = (q31_t) ((q15_t) inA1 * (q15_t) inB1); + mul3 = (q31_t) ((q15_t) (inA2 >> 16) * (q15_t) (inB2 >> 16)); + mul4 = (q31_t) ((q15_t) inA2 * (q15_t) inB2); + + /* saturate result to 16 bit */ + out1 = (q15_t) __SSAT(mul1 >> 15, 16); + out2 = (q15_t) __SSAT(mul2 >> 15, 16); + out3 = (q15_t) __SSAT(mul3 >> 15, 16); + out4 = (q15_t) __SSAT(mul4 >> 15, 16); + + /* store the result */ +#ifndef ARM_MATH_BIG_ENDIAN + + *__SIMD32(pDst)++ = __PKHBT(out2, out1, 16); + *__SIMD32(pDst)++ = __PKHBT(out4, out3, 16); + +#else + + *__SIMD32(pDst)++ = __PKHBT(out2, out1, 16); + *__SIMD32(pDst)++ = __PKHBT(out4, out3, 16); + +#endif // #ifndef ARM_MATH_BIG_ENDIAN + + /* Decrement the blockSize loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + + while(blkCnt > 0u) + { + /* C = A * B */ + /* Multiply the inputs and store the result in the destination buffer */ + *pDst++ = (q15_t) __SSAT((((q31_t) (*pSrcA++) * (*pSrcB++)) >> 15), 16); + + /* Decrement the blockSize loop counter */ + blkCnt--; + } +} + +/** + * @} end of BasicMult group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_mult_q31.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_mult_q31.c new file mode 100644 index 0000000000..4697a80626 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_mult_q31.c @@ -0,0 +1,143 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_mult_q31.c +* +* Description: Q31 vector multiplication. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.5 2010/04/26 +* incorporated review comments and updated with latest CMSIS layer +* +* Version 0.0.3 2010/03/10 +* Initial version +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup BasicMult + * @{ + */ + +/** + * @brief Q31 vector multiplication. + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in each vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q31 range[0x80000000 0x7FFFFFFF] will be saturated. + */ + +void arm_mult_q31( + q31_t * pSrcA, + q31_t * pSrcB, + q31_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counters */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q31_t inA1, inA2, inA3, inA4; /* temporary input variables */ + q31_t inB1, inB2, inB3, inB4; /* temporary input variables */ + q31_t out1, out2, out3, out4; /* temporary output variables */ + + /* loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A * B */ + /* Multiply the inputs and then store the results in the destination buffer. */ + inA1 = *pSrcA++; + inA2 = *pSrcA++; + inA3 = *pSrcA++; + inA4 = *pSrcA++; + inB1 = *pSrcB++; + inB2 = *pSrcB++; + inB3 = *pSrcB++; + inB4 = *pSrcB++; + + out1 = ((q63_t) inA1 * inB1) >> 32; + out2 = ((q63_t) inA2 * inB2) >> 32; + out3 = ((q63_t) inA3 * inB3) >> 32; + out4 = ((q63_t) inA4 * inB4) >> 32; + + out1 = __SSAT(out1, 31); + out2 = __SSAT(out2, 31); + out3 = __SSAT(out3, 31); + out4 = __SSAT(out4, 31); + + *pDst++ = out1 << 1u; + *pDst++ = out2 << 1u; + *pDst++ = out3 << 1u; + *pDst++ = out4 << 1u; + + /* Decrement the blockSize loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + while(blkCnt > 0u) + { + /* C = A * B */ + /* Multiply the inputs and then store the results in the destination buffer. */ + *pDst++ = + (q31_t) clip_q63_to_q31(((q63_t) (*pSrcA++) * (*pSrcB++)) >> 31); + + /* Decrement the blockSize loop counter */ + blkCnt--; + } +} + +/** + * @} end of BasicMult group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_mult_q7.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_mult_q7.c new file mode 100644 index 0000000000..1e65a77a9c --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_mult_q7.c @@ -0,0 +1,128 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_mult_q7.c +* +* Description: Q7 vector multiplication. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* +* Version 0.0.5 2010/04/26 +* incorporated review comments and updated with latest CMSIS layer +* +* Version 0.0.3 2010/03/10 DP +* Initial version +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup BasicMult + * @{ + */ + +/** + * @brief Q7 vector multiplication + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in each vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q7 range [0x80 0x7F] will be saturated. + */ + +void arm_mult_q7( + q7_t * pSrcA, + q7_t * pSrcB, + q7_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counters */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q7_t out1, out2, out3, out4; /* Temporary variables to store the product */ + + /* loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A * B */ + /* Multiply the inputs and store the results in temporary variables */ + out1 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8); + out2 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8); + out3 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8); + out4 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8); + + /* Store the results of 4 inputs in the destination buffer in single cycle by packing */ + *__SIMD32(pDst)++ = __PACKq7(out1, out2, out3, out4); + + /* Decrement the blockSize loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + + while(blkCnt > 0u) + { + /* C = A * B */ + /* Multiply the inputs and store the result in the destination buffer */ + *pDst++ = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8); + + /* Decrement the blockSize loop counter */ + blkCnt--; + } +} + +/** + * @} end of BasicMult group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_f32.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_f32.c new file mode 100644 index 0000000000..b0f82896db --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_f32.c @@ -0,0 +1,137 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_negate_f32.c +* +* Description: Negates floating-point vectors. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* ---------------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @defgroup negate Vector Negate + * + * Negates the elements of a vector. + * + * 
        
+ *     pDst[n] = -pSrc[n],   0 <= n < blockSize.        
+ *
+ */ + +/** + * @addtogroup negate + * @{ + */ + +/** + * @brief Negates the elements of a floating-point vector. + * @param[in] *pSrc points to the input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + */ + +void arm_negate_f32( + float32_t * pSrc, + float32_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + float32_t in1, in2, in3, in4; /* temporary variables */ + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* read inputs from source */ + in1 = *pSrc; + in2 = *(pSrc + 1); + in3 = *(pSrc + 2); + in4 = *(pSrc + 3); + + /* negate the input */ + in1 = -in1; + in2 = -in2; + in3 = -in3; + in4 = -in4; + + /* store the result to destination */ + *pDst = in1; + *(pDst + 1) = in2; + *(pDst + 2) = in3; + *(pDst + 3) = in4; + + /* update pointers to process next samples */ + pSrc += 4u; + pDst += 4u; + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + while(blkCnt > 0u) + { + /* C = -A */ + /* Negate and then store the results in the destination buffer. */ + *pDst++ = -*pSrc++; + + /* Decrement the loop counter */ + blkCnt--; + } +} + +/** + * @} end of negate group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_q15.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_q15.c new file mode 100644 index 0000000000..c47e03eeff --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_q15.c @@ -0,0 +1,137 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_negate_q15.c +* +* Description: Negates Q15 vectors. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup negate + * @{ + */ + +/** + * @brief Negates the elements of a Q15 vector. + * @param[in] *pSrc points to the input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + * + * \par Conditions for optimum performance + * Input and output buffers should be aligned by 32-bit + * + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * The Q15 value -1 (0x8000) will be saturated to the maximum allowable positive value 0x7FFF. + */ + +void arm_negate_q15( + q15_t * pSrc, + q15_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + q15_t in; + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + + q31_t in1, in2; /* Temporary variables */ + + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = -A */ + /* Read two inputs at a time */ + in1 = _SIMD32_OFFSET(pSrc); + in2 = _SIMD32_OFFSET(pSrc + 2); + + /* negate two samples at a time */ + in1 = __QSUB16(0, in1); + + /* negate two samples at a time */ + in2 = __QSUB16(0, in2); + + /* store the result to destination 2 samples at a time */ + _SIMD32_OFFSET(pDst) = in1; + /* store the result to destination 2 samples at a time */ + _SIMD32_OFFSET(pDst + 2) = in2; + + + /* update pointers to process next samples */ + pSrc += 4u; + pDst += 4u; + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + while(blkCnt > 0u) + { + /* C = -A */ + /* Negate and then store the result in the destination buffer. */ + in = *pSrc++; + *pDst++ = (in == (q15_t) 0x8000) ? 0x7fff : -in; + + /* Decrement the loop counter */ + blkCnt--; + } +} + +/** + * @} end of negate group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_q31.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_q31.c new file mode 100644 index 0000000000..362b54ecbc --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_q31.c @@ -0,0 +1,124 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_negate_q31.c +* +* Description: Negates Q31 vectors. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup negate + * @{ + */ + +/** + * @brief Negates the elements of a Q31 vector. + * @param[in] *pSrc points to the input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * The Q31 value -1 (0x80000000) will be saturated to the maximum allowable positive value 0x7FFFFFFF. + */ + +void arm_negate_q31( + q31_t * pSrc, + q31_t * pDst, + uint32_t blockSize) +{ + q31_t in; /* Temporary variable */ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q31_t in1, in2, in3, in4; + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = -A */ + /* Negate and then store the results in the destination buffer. */ + in1 = *pSrc++; + in2 = *pSrc++; + in3 = *pSrc++; + in4 = *pSrc++; + + *pDst++ = __QSUB(0, in1); + *pDst++ = __QSUB(0, in2); + *pDst++ = __QSUB(0, in3); + *pDst++ = __QSUB(0, in4); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + + while(blkCnt > 0u) + { + /* C = -A */ + /* Negate and then store the result in the destination buffer. */ + in = *pSrc++; + *pDst++ = (in == 0x80000000) ? 0x7fffffff : -in; + + /* Decrement the loop counter */ + blkCnt--; + } +} + +/** + * @} end of negate group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_q7.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_q7.c new file mode 100644 index 0000000000..64914d291e --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_q7.c @@ -0,0 +1,120 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_negate_q7.c +* +* Description: Negates Q7 vectors. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup negate + * @{ + */ + +/** + * @brief Negates the elements of a Q7 vector. + * @param[in] *pSrc points to the input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * The Q7 value -1 (0x80) will be saturated to the maximum allowable positive value 0x7F. + */ + +void arm_negate_q7( + q7_t * pSrc, + q7_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + q7_t in; + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q31_t input; /* Input values1-4 */ + q31_t zero = 0x00000000; + + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = -A */ + /* Read four inputs */ + input = *__SIMD32(pSrc)++; + + /* Store the Negated results in the destination buffer in a single cycle by packing the results */ + *__SIMD32(pDst)++ = __QSUB8(zero, input); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + while(blkCnt > 0u) + { + /* C = -A */ + /* Negate and then store the results in the destination buffer. */ \ + in = *pSrc++; + *pDst++ = (in == (q7_t) 0x80) ? 0x7f : -in; + + /* Decrement the loop counter */ + blkCnt--; + } +} + +/** + * @} end of negate group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_offset_f32.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_offset_f32.c new file mode 100644 index 0000000000..d7ca663bbd --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_offset_f32.c @@ -0,0 +1,158 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_offset_f32.c +* +* Description: Floating-point vector offset. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* ---------------------------------------------------------------------------- */ +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @defgroup offset Vector Offset + * + * Adds a constant offset to each element of a vector. + * + * 
        
+ *     pDst[n] = pSrc[n] + offset,   0 <= n < blockSize.        
+ *
+ * + * There are separate functions for floating-point, Q7, Q15, and Q31 data types. + */ + +/** + * @addtogroup offset + * @{ + */ + +/** + * @brief Adds a constant offset to a floating-point vector. + * @param[in] *pSrc points to the input vector + * @param[in] offset is the offset to be added + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + */ + + +void arm_offset_f32( + float32_t * pSrc, + float32_t offset, + float32_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + float32_t in1, in2, in3, in4; + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A + offset */ + /* Add offset and then store the results in the destination buffer. */ + /* read samples from source */ + in1 = *pSrc; + in2 = *(pSrc + 1); + + /* add offset to input */ + in1 = in1 + offset; + + /* read samples from source */ + in3 = *(pSrc + 2); + + /* add offset to input */ + in2 = in2 + offset; + + /* read samples from source */ + in4 = *(pSrc + 3); + + /* add offset to input */ + in3 = in3 + offset; + + /* store result to destination */ + *pDst = in1; + + /* add offset to input */ + in4 = in4 + offset; + + /* store result to destination */ + *(pDst + 1) = in2; + + /* store result to destination */ + *(pDst + 2) = in3; + + /* store result to destination */ + *(pDst + 3) = in4; + + /* update pointers to process next samples */ + pSrc += 4u; + pDst += 4u; + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + while(blkCnt > 0u) + { + /* C = A + offset */ + /* Add offset and then store the result in the destination buffer. */ + *pDst++ = (*pSrc++) + offset; + + /* Decrement the loop counter */ + blkCnt--; + } +} + +/** + * @} end of offset group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_offset_q15.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_offset_q15.c new file mode 100644 index 0000000000..0a06f4c9c1 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_offset_q15.c @@ -0,0 +1,131 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_offset_q15.c +* +* Description: Q15 vector offset. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup offset + * @{ + */ + +/** + * @brief Adds a constant offset to a Q15 vector. + * @param[in] *pSrc points to the input vector + * @param[in] offset is the offset to be added + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q15 range [0x8000 0x7FFF] are saturated. + */ + +void arm_offset_q15( + q15_t * pSrc, + q15_t offset, + q15_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q31_t offset_packed; /* Offset packed to 32 bit */ + + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* Offset is packed to 32 bit in order to use SIMD32 for addition */ + offset_packed = __PKHBT(offset, offset, 16); + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A + offset */ + /* Add offset and then store the results in the destination buffer, 2 samples at a time. */ + *__SIMD32(pDst)++ = __QADD16(*__SIMD32(pSrc)++, offset_packed); + *__SIMD32(pDst)++ = __QADD16(*__SIMD32(pSrc)++, offset_packed); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A + offset */ + /* Add offset and then store the results in the destination buffer. */ + *pDst++ = (q15_t) __QADD16(*pSrc++, offset); + + /* Decrement the loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A + offset */ + /* Add offset and then store the results in the destination buffer. */ + *pDst++ = (q15_t) __SSAT(((q31_t) * pSrc++ + offset), 16); + + /* Decrement the loop counter */ + blkCnt--; + } + +#endif /* #ifndef ARM_MATH_CM0 */ + +} + +/** + * @} end of offset group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_offset_q31.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_offset_q31.c new file mode 100644 index 0000000000..4c2997ce6d --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_offset_q31.c @@ -0,0 +1,135 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_offset_q31.c +* +* Description: Q31 vector offset. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup offset + * @{ + */ + +/** + * @brief Adds a constant offset to a Q31 vector. + * @param[in] *pSrc points to the input vector + * @param[in] offset is the offset to be added + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q31 range [0x80000000 0x7FFFFFFF] are saturated. + */ + +void arm_offset_q31( + q31_t * pSrc, + q31_t offset, + q31_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q31_t in1, in2, in3, in4; + + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A + offset */ + /* Add offset and then store the results in the destination buffer. */ + in1 = *pSrc++; + in2 = *pSrc++; + in3 = *pSrc++; + in4 = *pSrc++; + + *pDst++ = __QADD(in1, offset); + *pDst++ = __QADD(in2, offset); + *pDst++ = __QADD(in3, offset); + *pDst++ = __QADD(in4, offset); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A + offset */ + /* Add offset and then store the result in the destination buffer. */ + *pDst++ = __QADD(*pSrc++, offset); + + /* Decrement the loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A + offset */ + /* Add offset and then store the result in the destination buffer. */ + *pDst++ = (q31_t) clip_q63_to_q31((q63_t) * pSrc++ + offset); + + /* Decrement the loop counter */ + blkCnt--; + } + +#endif /* #ifndef ARM_MATH_CM0 */ + +} + +/** + * @} end of offset group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_offset_q7.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_offset_q7.c new file mode 100644 index 0000000000..e54dba9dab --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_offset_q7.c @@ -0,0 +1,130 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_offset_q7.c +* +* Description: Q7 vector offset. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup offset + * @{ + */ + +/** + * @brief Adds a constant offset to a Q7 vector. + * @param[in] *pSrc points to the input vector + * @param[in] offset is the offset to be added + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q7 range [0x80 0x7F] are saturated. + */ + +void arm_offset_q7( + q7_t * pSrc, + q7_t offset, + q7_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q31_t offset_packed; /* Offset packed to 32 bit */ + + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* Offset is packed to 32 bit in order to use SIMD32 for addition */ + offset_packed = __PACKq7(offset, offset, offset, offset); + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A + offset */ + /* Add offset and then store the results in the destination bufferfor 4 samples at a time. */ + *__SIMD32(pDst)++ = __QADD8(*__SIMD32(pSrc)++, offset_packed); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A + offset */ + /* Add offset and then store the result in the destination buffer. */ + *pDst++ = (q7_t) __SSAT(*pSrc++ + offset, 8); + + /* Decrement the loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A + offset */ + /* Add offset and then store the result in the destination buffer. */ + *pDst++ = (q7_t) __SSAT((q15_t) * pSrc++ + offset, 8); + + /* Decrement the loop counter */ + blkCnt--; + } + +#endif /* #ifndef ARM_MATH_CM0 */ + +} + +/** + * @} end of offset group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_scale_f32.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_scale_f32.c new file mode 100644 index 0000000000..0baf3863fe --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_scale_f32.c @@ -0,0 +1,161 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_scale_f32.c +* +* Description: Multiplies a floating-point vector by a scalar. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* ---------------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @defgroup scale Vector Scale + * + * Multiply a vector by a scalar value. For floating-point data, the algorithm used is: + * + * 
        
+ *     pDst[n] = pSrc[n] * scale,   0 <= n < blockSize.        
+ *
+ * + * In the fixed-point Q7, Q15, and Q31 functions, scale is represented by + * a fractional multiplication scaleFract and an arithmetic shift shift. + * The shift allows the gain of the scaling operation to exceed 1.0. + * The algorithm used with fixed-point data is: + * + * 
        
+ *     pDst[n] = (pSrc[n] * scaleFract) << shift,   0 <= n < blockSize.        
+ *
+ * + * The overall scale factor applied to the fixed-point data is + * 
        
+ *     scale = scaleFract * 2^shift.        
+ *
+ */ + +/** + * @addtogroup scale + * @{ + */ + +/** + * @brief Multiplies a floating-point vector by a scalar. + * @param[in] *pSrc points to the input vector + * @param[in] scale scale factor to be applied + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + */ + + +void arm_scale_f32( + float32_t * pSrc, + float32_t scale, + float32_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + float32_t in1, in2, in3, in4; /* temporary variabels */ + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A * scale */ + /* Scale the input and then store the results in the destination buffer. */ + /* read input samples from source */ + in1 = *pSrc; + in2 = *(pSrc + 1); + + /* multiply with scaling factor */ + in1 = in1 * scale; + + /* read input sample from source */ + in3 = *(pSrc + 2); + + /* multiply with scaling factor */ + in2 = in2 * scale; + + /* read input sample from source */ + in4 = *(pSrc + 3); + + /* multiply with scaling factor */ + in3 = in3 * scale; + in4 = in4 * scale; + /* store the result to destination */ + *pDst = in1; + *(pDst + 1) = in2; + *(pDst + 2) = in3; + *(pDst + 3) = in4; + + /* update pointers to process next samples */ + pSrc += 4u; + pDst += 4u; + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + while(blkCnt > 0u) + { + /* C = A * scale */ + /* Scale the input and then store the result in the destination buffer. */ + *pDst++ = (*pSrc++) * scale; + + /* Decrement the loop counter */ + blkCnt--; + } +} + +/** + * @} end of scale group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_scale_q15.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_scale_q15.c new file mode 100644 index 0000000000..9b35ffec66 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_scale_q15.c @@ -0,0 +1,157 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_scale_q15.c +* +* Description: Multiplies a Q15 vector by a scalar. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup scale + * @{ + */ + +/** + * @brief Multiplies a Q15 vector by a scalar. + * @param[in] *pSrc points to the input vector + * @param[in] scaleFract fractional portion of the scale value + * @param[in] shift number of bits to shift the result by + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The input data *pSrc and scaleFract are in 1.15 format. + * These are multiplied to yield a 2.30 intermediate result and this is shifted with saturation to 1.15 format. + */ + + +void arm_scale_q15( + q15_t * pSrc, + q15_t scaleFract, + int8_t shift, + q15_t * pDst, + uint32_t blockSize) +{ + int8_t kShift = 15 - shift; /* shift to apply after scaling */ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q15_t in1, in2, in3, in4; + q31_t inA1, inA2; /* Temporary variables */ + q31_t out1, out2, out3, out4; + + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* Reading 2 inputs from memory */ + inA1 = *__SIMD32(pSrc)++; + inA2 = *__SIMD32(pSrc)++; + + /* C = A * scale */ + /* Scale the inputs and then store the 2 results in the destination buffer + * in single cycle by packing the outputs */ + out1 = (q31_t) ((q15_t) (inA1 >> 16) * scaleFract); + out2 = (q31_t) ((q15_t) inA1 * scaleFract); + out3 = (q31_t) ((q15_t) (inA2 >> 16) * scaleFract); + out4 = (q31_t) ((q15_t) inA2 * scaleFract); + + /* apply shifting */ + out1 = out1 >> kShift; + out2 = out2 >> kShift; + out3 = out3 >> kShift; + out4 = out4 >> kShift; + + /* saturate the output */ + in1 = (q15_t) (__SSAT(out1, 16)); + in2 = (q15_t) (__SSAT(out2, 16)); + in3 = (q15_t) (__SSAT(out3, 16)); + in4 = (q15_t) (__SSAT(out4, 16)); + + /* store the result to destination */ + *__SIMD32(pDst)++ = __PKHBT(in2, in1, 16); + *__SIMD32(pDst)++ = __PKHBT(in4, in3, 16); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A * scale */ + /* Scale the input and then store the result in the destination buffer. */ + *pDst++ = (q15_t) (__SSAT(((*pSrc++) * scaleFract) >> kShift, 16)); + + /* Decrement the loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A * scale */ + /* Scale the input and then store the result in the destination buffer. */ + *pDst++ = (q15_t) (__SSAT(((q31_t) * pSrc++ * scaleFract) >> kShift, 16)); + + /* Decrement the loop counter */ + blkCnt--; + } + +#endif /* #ifndef ARM_MATH_CM0 */ + +} + +/** + * @} end of scale group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_scale_q31.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_scale_q31.c new file mode 100644 index 0000000000..3a0032a3cf --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_scale_q31.c @@ -0,0 +1,223 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. May 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_scale_q31.c +* +* Description: Multiplies a Q31 vector by a scalar. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup scale + * @{ + */ + +/** + * @brief Multiplies a Q31 vector by a scalar. + * @param[in] *pSrc points to the input vector + * @param[in] scaleFract fractional portion of the scale value + * @param[in] shift number of bits to shift the result by + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The input data *pSrc and scaleFract are in 1.31 format. + * These are multiplied to yield a 2.62 intermediate result and this is shifted with saturation to 1.31 format. + */ + +void arm_scale_q31( + q31_t * pSrc, + q31_t scaleFract, + int8_t shift, + q31_t * pDst, + uint32_t blockSize) +{ + int8_t kShift = shift + 1; /* Shift to apply after scaling */ + int8_t sign = (kShift & 0x80); + uint32_t blkCnt; /* loop counter */ + q31_t in, out; + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + + q31_t in1, in2, in3, in4; /* temporary input variables */ + q31_t out1, out2, out3, out4; /* temporary output variabels */ + + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + if(sign == 0u) + { + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* read four inputs from source */ + in1 = *pSrc; + in2 = *(pSrc + 1); + in3 = *(pSrc + 2); + in4 = *(pSrc + 3); + + /* multiply input with scaler value */ + in1 = ((q63_t) in1 * scaleFract) >> 32; + in2 = ((q63_t) in2 * scaleFract) >> 32; + in3 = ((q63_t) in3 * scaleFract) >> 32; + in4 = ((q63_t) in4 * scaleFract) >> 32; + + /* apply shifting */ + out1 = in1 << kShift; + out2 = in2 << kShift; + + /* saturate the results. */ + if(in1 != (out1 >> kShift)) + out1 = 0x7FFFFFFF ^ (in1 >> 31); + + if(in2 != (out2 >> kShift)) + out2 = 0x7FFFFFFF ^ (in2 >> 31); + + out3 = in3 << kShift; + out4 = in4 << kShift; + + *pDst = out1; + *(pDst + 1) = out2; + + if(in3 != (out3 >> kShift)) + out3 = 0x7FFFFFFF ^ (in3 >> 31); + + if(in4 != (out4 >> kShift)) + out4 = 0x7FFFFFFF ^ (in4 >> 31); + + /* Store result destination */ + *(pDst + 2) = out3; + *(pDst + 3) = out4; + + /* Update pointers to process next sampels */ + pSrc += 4u; + pDst += 4u; + + /* Decrement the loop counter */ + blkCnt--; + } + + } + else + { + kShift = -kShift; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* read four inputs from source */ + in1 = *pSrc; + in2 = *(pSrc + 1); + in3 = *(pSrc + 2); + in4 = *(pSrc + 3); + + /* multiply input with scaler value */ + in1 = ((q63_t) in1 * scaleFract) >> 32; + in2 = ((q63_t) in2 * scaleFract) >> 32; + in3 = ((q63_t) in3 * scaleFract) >> 32; + in4 = ((q63_t) in4 * scaleFract) >> 32; + + /* apply shifting */ + out1 = in1 >> kShift; + out2 = in2 >> kShift; + + out3 = in3 >> kShift; + out4 = in4 >> kShift; + + /* Store result destination */ + *pDst = out1; + *(pDst + 1) = out2; + + *(pDst + 2) = out3; + *(pDst + 3) = out4; + + /* Update pointers to process next sampels */ + pSrc += 4u; + pDst += 4u; + + /* Decrement the loop counter */ + blkCnt--; + } + } + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + if(sign != 0u) + kShift = -kShift; + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + while(blkCnt > 0u) + { + /* C = A * scale */ + /* Scale the input and then store the result in the destination buffer. */ + in = *pSrc++; + in = ((q63_t) in * scaleFract) >> 32; + + if(sign == 0) + { + out = in << kShift; + if(in != (out >> kShift)) + out = 0x7FFFFFFF ^ (in >> 31); + } + else + { + out = in >> kShift; + } + + *pDst++ = out; + + /* Decrement the loop counter */ + blkCnt--; + } +} + +/** + * @} end of scale group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_scale_q7.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_scale_q7.c new file mode 100644 index 0000000000..c899d91044 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_scale_q7.c @@ -0,0 +1,144 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_scale_q7.c +* +* Description: Multiplies a Q7 vector by a scalar. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup scale + * @{ + */ + +/** + * @brief Multiplies a Q7 vector by a scalar. + * @param[in] *pSrc points to the input vector + * @param[in] scaleFract fractional portion of the scale value + * @param[in] shift number of bits to shift the result by + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The input data *pSrc and scaleFract are in 1.7 format. + * These are multiplied to yield a 2.14 intermediate result and this is shifted with saturation to 1.7 format. + */ + +void arm_scale_q7( + q7_t * pSrc, + q7_t scaleFract, + int8_t shift, + q7_t * pDst, + uint32_t blockSize) +{ + int8_t kShift = 7 - shift; /* shift to apply after scaling */ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q7_t in1, in2, in3, in4, out1, out2, out3, out4; /* Temporary variables to store input & output */ + + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* Reading 4 inputs from memory */ + in1 = *pSrc++; + in2 = *pSrc++; + in3 = *pSrc++; + in4 = *pSrc++; + + /* C = A * scale */ + /* Scale the inputs and then store the results in the temporary variables. */ + out1 = (q7_t) (__SSAT(((in1) * scaleFract) >> kShift, 8)); + out2 = (q7_t) (__SSAT(((in2) * scaleFract) >> kShift, 8)); + out3 = (q7_t) (__SSAT(((in3) * scaleFract) >> kShift, 8)); + out4 = (q7_t) (__SSAT(((in4) * scaleFract) >> kShift, 8)); + + /* Packing the individual outputs into 32bit and storing in + * destination buffer in single write */ + *__SIMD32(pDst)++ = __PACKq7(out1, out2, out3, out4); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A * scale */ + /* Scale the input and then store the result in the destination buffer. */ + *pDst++ = (q7_t) (__SSAT(((*pSrc++) * scaleFract) >> kShift, 8)); + + /* Decrement the loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A * scale */ + /* Scale the input and then store the result in the destination buffer. */ + *pDst++ = (q7_t) (__SSAT((((q15_t) * pSrc++ * scaleFract) >> kShift), 8)); + + /* Decrement the loop counter */ + blkCnt--; + } + +#endif /* #ifndef ARM_MATH_CM0 */ + +} + +/** + * @} end of scale group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_shift_q15.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_shift_q15.c new file mode 100644 index 0000000000..b2ee2a5a41 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_shift_q15.c @@ -0,0 +1,243 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_shift_q15.c +* +* Description: Shifts the elements of a Q15 vector by a specified number of bits. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup shift + * @{ + */ + +/** + * @brief Shifts the elements of a Q15 vector a specified number of bits. + * @param[in] *pSrc points to the input vector + * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right. + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q15 range [0x8000 0x7FFF] will be saturated. + */ + +void arm_shift_q15( + q15_t * pSrc, + int8_t shiftBits, + q15_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + uint8_t sign; /* Sign of shiftBits */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + + q15_t in1, in2; /* Temporary variables */ + + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* Getting the sign of shiftBits */ + sign = (shiftBits & 0x80); + + /* If the shift value is positive then do right shift else left shift */ + if(sign == 0u) + { + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* Read 2 inputs */ + in1 = *pSrc++; + in2 = *pSrc++; + /* C = A << shiftBits */ + /* Shift the inputs and then store the results in the destination buffer. */ +#ifndef ARM_MATH_BIG_ENDIAN + + *__SIMD32(pDst)++ = __PKHBT(__SSAT((in1 << shiftBits), 16), + __SSAT((in2 << shiftBits), 16), 16); + +#else + + *__SIMD32(pDst)++ = __PKHBT(__SSAT((in2 << shiftBits), 16), + __SSAT((in1 << shiftBits), 16), 16); + +#endif /* #ifndef ARM_MATH_BIG_ENDIAN */ + + in1 = *pSrc++; + in2 = *pSrc++; + +#ifndef ARM_MATH_BIG_ENDIAN + + *__SIMD32(pDst)++ = __PKHBT(__SSAT((in1 << shiftBits), 16), + __SSAT((in2 << shiftBits), 16), 16); + +#else + + *__SIMD32(pDst)++ = __PKHBT(__SSAT((in2 << shiftBits), 16), + __SSAT((in1 << shiftBits), 16), 16); + +#endif /* #ifndef ARM_MATH_BIG_ENDIAN */ + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A << shiftBits */ + /* Shift and then store the results in the destination buffer. */ + *pDst++ = __SSAT((*pSrc++ << shiftBits), 16); + + /* Decrement the loop counter */ + blkCnt--; + } + } + else + { + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* Read 2 inputs */ + in1 = *pSrc++; + in2 = *pSrc++; + + /* C = A >> shiftBits */ + /* Shift the inputs and then store the results in the destination buffer. */ +#ifndef ARM_MATH_BIG_ENDIAN + + *__SIMD32(pDst)++ = __PKHBT((in1 >> -shiftBits), + (in2 >> -shiftBits), 16); + +#else + + *__SIMD32(pDst)++ = __PKHBT((in2 >> -shiftBits), + (in1 >> -shiftBits), 16); + +#endif /* #ifndef ARM_MATH_BIG_ENDIAN */ + + in1 = *pSrc++; + in2 = *pSrc++; + +#ifndef ARM_MATH_BIG_ENDIAN + + *__SIMD32(pDst)++ = __PKHBT((in1 >> -shiftBits), + (in2 >> -shiftBits), 16); + +#else + + *__SIMD32(pDst)++ = __PKHBT((in2 >> -shiftBits), + (in1 >> -shiftBits), 16); + +#endif /* #ifndef ARM_MATH_BIG_ENDIAN */ + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A >> shiftBits */ + /* Shift the inputs and then store the results in the destination buffer. */ + *pDst++ = (*pSrc++ >> -shiftBits); + + /* Decrement the loop counter */ + blkCnt--; + } + } + +#else + + /* Run the below code for Cortex-M0 */ + + /* Getting the sign of shiftBits */ + sign = (shiftBits & 0x80); + + /* If the shift value is positive then do right shift else left shift */ + if(sign == 0u) + { + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A << shiftBits */ + /* Shift and then store the results in the destination buffer. */ + *pDst++ = __SSAT(((q31_t) * pSrc++ << shiftBits), 16); + + /* Decrement the loop counter */ + blkCnt--; + } + } + else + { + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A >> shiftBits */ + /* Shift the inputs and then store the results in the destination buffer. */ + *pDst++ = (*pSrc++ >> -shiftBits); + + /* Decrement the loop counter */ + blkCnt--; + } + } + +#endif /* #ifndef ARM_MATH_CM0 */ + +} + +/** + * @} end of shift group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_shift_q31.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_shift_q31.c new file mode 100644 index 0000000000..799035e80c --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_shift_q31.c @@ -0,0 +1,195 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_shift_q31.c +* +* Description: Shifts the elements of a Q31 vector by a specified number of bits. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ +/** + * @defgroup shift Vector Shift + * + * Shifts the elements of a fixed-point vector by a specified number of bits. + * There are separate functions for Q7, Q15, and Q31 data types. + * The underlying algorithm used is: + * + * 
        
+ *     pDst[n] = pSrc[n] << shift,   0 <= n < blockSize.        
+ *
+ * + * If shift is positive then the elements of the vector are shifted to the left. + * If shift is negative then the elements of the vector are shifted to the right. + */ + +/** + * @addtogroup shift + * @{ + */ + +/** + * @brief Shifts the elements of a Q31 vector a specified number of bits. + * @param[in] *pSrc points to the input vector + * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right. + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + * + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q31 range [0x80000000 0x7FFFFFFF] will be saturated. + */ + +void arm_shift_q31( + q31_t * pSrc, + int8_t shiftBits, + q31_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + uint8_t sign = (shiftBits & 0x80); /* Sign of shiftBits */ + +#ifndef ARM_MATH_CM0 + + q31_t in1, in2, in3, in4; /* Temporary input variables */ + q31_t out1, out2, out3, out4; /* Temporary output variables */ + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + + if(sign == 0u) + { + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A << shiftBits */ + /* Shift the input and then store the results in the destination buffer. */ + in1 = *pSrc; + in2 = *(pSrc + 1); + out1 = in1 << shiftBits; + in3 = *(pSrc + 2); + out2 = in2 << shiftBits; + in4 = *(pSrc + 3); + if(in1 != (out1 >> shiftBits)) + out1 = 0x7FFFFFFF ^ (in1 >> 31); + + if(in2 != (out2 >> shiftBits)) + out2 = 0x7FFFFFFF ^ (in2 >> 31); + + *pDst = out1; + out3 = in3 << shiftBits; + *(pDst + 1) = out2; + out4 = in4 << shiftBits; + + if(in3 != (out3 >> shiftBits)) + out3 = 0x7FFFFFFF ^ (in3 >> 31); + + if(in4 != (out4 >> shiftBits)) + out4 = 0x7FFFFFFF ^ (in4 >> 31); + + *(pDst + 2) = out3; + *(pDst + 3) = out4; + + /* Update destination pointer to process next sampels */ + pSrc += 4u; + pDst += 4u; + + /* Decrement the loop counter */ + blkCnt--; + } + } + else + { + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A >> shiftBits */ + /* Shift the input and then store the results in the destination buffer. */ + in1 = *pSrc; + in2 = *(pSrc + 1); + in3 = *(pSrc + 2); + in4 = *(pSrc + 3); + + *pDst = (in1 >> -shiftBits); + *(pDst + 1) = (in2 >> -shiftBits); + *(pDst + 2) = (in3 >> -shiftBits); + *(pDst + 3) = (in4 >> -shiftBits); + + + pSrc += 4u; + pDst += 4u; + + blkCnt--; + } + + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + + while(blkCnt > 0u) + { + /* C = A (>> or <<) shiftBits */ + /* Shift the input and then store the result in the destination buffer. */ + *pDst++ = (sign == 0u) ? clip_q63_to_q31((q63_t) * pSrc++ << shiftBits) : + (*pSrc++ >> -shiftBits); + + /* Decrement the loop counter */ + blkCnt--; + } + + +} + +/** + * @} end of shift group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_shift_q7.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_shift_q7.c new file mode 100644 index 0000000000..687a333234 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_shift_q7.c @@ -0,0 +1,215 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_shift_q7.c +* +* Description: Processing function for the Q7 Shifting +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup shift + * @{ + */ + + +/** + * @brief Shifts the elements of a Q7 vector a specified number of bits. + * @param[in] *pSrc points to the input vector + * @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right. + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in the vector + * @return none. + * + * \par Conditions for optimum performance + * Input and output buffers should be aligned by 32-bit + * + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q7 range [0x8 0x7F] will be saturated. + */ + +void arm_shift_q7( + q7_t * pSrc, + int8_t shiftBits, + q7_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + uint8_t sign; /* Sign of shiftBits */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q7_t in1; /* Input value1 */ + q7_t in2; /* Input value2 */ + q7_t in3; /* Input value3 */ + q7_t in4; /* Input value4 */ + + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* Getting the sign of shiftBits */ + sign = (shiftBits & 0x80); + + /* If the shift value is positive then do right shift else left shift */ + if(sign == 0u) + { + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A << shiftBits */ + /* Read 4 inputs */ + in1 = *pSrc; + in2 = *(pSrc + 1); + in3 = *(pSrc + 2); + in4 = *(pSrc + 3); + + /* Store the Shifted result in the destination buffer in single cycle by packing the outputs */ + *__SIMD32(pDst)++ = __PACKq7(__SSAT((in1 << shiftBits), 8), + __SSAT((in2 << shiftBits), 8), + __SSAT((in3 << shiftBits), 8), + __SSAT((in4 << shiftBits), 8)); + /* Update source pointer to process next sampels */ + pSrc += 4u; + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A << shiftBits */ + /* Shift the input and then store the result in the destination buffer. */ + *pDst++ = (q7_t) __SSAT((*pSrc++ << shiftBits), 8); + + /* Decrement the loop counter */ + blkCnt--; + } + } + else + { + shiftBits = -shiftBits; + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A >> shiftBits */ + /* Read 4 inputs */ + in1 = *pSrc; + in2 = *(pSrc + 1); + in3 = *(pSrc + 2); + in4 = *(pSrc + 3); + + /* Store the Shifted result in the destination buffer in single cycle by packing the outputs */ + *__SIMD32(pDst)++ = __PACKq7((in1 >> shiftBits), (in2 >> shiftBits), + (in3 >> shiftBits), (in4 >> shiftBits)); + + + pSrc += 4u; + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A >> shiftBits */ + /* Shift the input and then store the result in the destination buffer. */ + in1 = *pSrc++; + *pDst++ = (in1 >> shiftBits); + + /* Decrement the loop counter */ + blkCnt--; + } + } + +#else + + /* Run the below code for Cortex-M0 */ + + /* Getting the sign of shiftBits */ + sign = (shiftBits & 0x80); + + /* If the shift value is positive then do right shift else left shift */ + if(sign == 0u) + { + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A << shiftBits */ + /* Shift the input and then store the result in the destination buffer. */ + *pDst++ = (q7_t) __SSAT(((q15_t) * pSrc++ << shiftBits), 8); + + /* Decrement the loop counter */ + blkCnt--; + } + } + else + { + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A >> shiftBits */ + /* Shift the input and then store the result in the destination buffer. */ + *pDst++ = (*pSrc++ >> -shiftBits); + + /* Decrement the loop counter */ + blkCnt--; + } + } + +#endif /* #ifndef ARM_MATH_CM0 */ +} + +/** + * @} end of shift group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_sub_f32.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_sub_f32.c new file mode 100644 index 0000000000..0fcd328693 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_sub_f32.c @@ -0,0 +1,145 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_sub_f32.c +* +* Description: Floating-point vector subtraction. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* ---------------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @defgroup BasicSub Vector Subtraction + * + * Element-by-element subtraction of two vectors. + * + * 
        
+ *     pDst[n] = pSrcA[n] - pSrcB[n],   0 <= n < blockSize.        
+ *
+ * + * There are separate functions for floating-point, Q7, Q15, and Q31 data types. + */ + +/** + * @addtogroup BasicSub + * @{ + */ + + +/** + * @brief Floating-point vector subtraction. + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in each vector + * @return none. + */ + +void arm_sub_f32( + float32_t * pSrcA, + float32_t * pSrcB, + float32_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + float32_t inA1, inA2, inA3, inA4; /* temporary variables */ + float32_t inB1, inB2, inB3, inB4; /* temporary variables */ + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A - B */ + /* Subtract and then store the results in the destination buffer. */ + /* Read 4 input samples from sourceA and sourceB */ + inA1 = *pSrcA; + inB1 = *pSrcB; + inA2 = *(pSrcA + 1); + inB2 = *(pSrcB + 1); + inA3 = *(pSrcA + 2); + inB3 = *(pSrcB + 2); + inA4 = *(pSrcA + 3); + inB4 = *(pSrcB + 3); + + /* dst = srcA - srcB */ + /* subtract and store the result */ + *pDst = inA1 - inB1; + *(pDst + 1) = inA2 - inB2; + *(pDst + 2) = inA3 - inB3; + *(pDst + 3) = inA4 - inB4; + + + /* Update pointers to process next sampels */ + pSrcA += 4u; + pSrcB += 4u; + pDst += 4u; + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + +#endif /* #ifndef ARM_MATH_CM0 */ + + while(blkCnt > 0u) + { + /* C = A - B */ + /* Subtract and then store the results in the destination buffer. */ + *pDst++ = (*pSrcA++) - (*pSrcB++); + + /* Decrement the loop counter */ + blkCnt--; + } +} + +/** + * @} end of BasicSub group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_sub_q15.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_sub_q15.c new file mode 100644 index 0000000000..c372c12357 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_sub_q15.c @@ -0,0 +1,135 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_sub_q15.c +* +* Description: Q15 vector subtraction. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup BasicSub + * @{ + */ + +/** + * @brief Q15 vector subtraction. + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in each vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q15 range [0x8000 0x7FFF] will be saturated. + */ + +void arm_sub_q15( + q15_t * pSrcA, + q15_t * pSrcB, + q15_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q31_t inA1, inA2; + q31_t inB1, inB2; + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A - B */ + /* Subtract and then store the results in the destination buffer two samples at a time. */ + inA1 = *__SIMD32(pSrcA)++; + inA2 = *__SIMD32(pSrcA)++; + inB1 = *__SIMD32(pSrcB)++; + inB2 = *__SIMD32(pSrcB)++; + + *__SIMD32(pDst)++ = __QSUB16(inA1, inB1); + *__SIMD32(pDst)++ = __QSUB16(inA2, inB2); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A - B */ + /* Subtract and then store the result in the destination buffer. */ + *pDst++ = (q15_t) __QSUB16(*pSrcA++, *pSrcB++); + + /* Decrement the loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A - B */ + /* Subtract and then store the result in the destination buffer. */ + *pDst++ = (q15_t) __SSAT(((q31_t) * pSrcA++ - *pSrcB++), 16); + + /* Decrement the loop counter */ + blkCnt--; + } + +#endif /* #ifndef ARM_MATH_CM0 */ + + +} + +/** + * @} end of BasicSub group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_sub_q31.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_sub_q31.c new file mode 100644 index 0000000000..829f25db0b --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_sub_q31.c @@ -0,0 +1,141 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_sub_q31.c +* +* Description: Q31 vector subtraction. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup BasicSub + * @{ + */ + +/** + * @brief Q31 vector subtraction. + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in each vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q31 range [0x80000000 0x7FFFFFFF] will be saturated. + */ + +void arm_sub_q31( + q31_t * pSrcA, + q31_t * pSrcB, + q31_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + q31_t inA1, inA2, inA3, inA4; + q31_t inB1, inB2, inB3, inB4; + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A - B */ + /* Subtract and then store the results in the destination buffer. */ + inA1 = *pSrcA++; + inA2 = *pSrcA++; + inB1 = *pSrcB++; + inB2 = *pSrcB++; + + inA3 = *pSrcA++; + inA4 = *pSrcA++; + inB3 = *pSrcB++; + inB4 = *pSrcB++; + + *pDst++ = __QSUB(inA1, inB1); + *pDst++ = __QSUB(inA2, inB2); + *pDst++ = __QSUB(inA3, inB3); + *pDst++ = __QSUB(inA4, inB4); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A - B */ + /* Subtract and then store the result in the destination buffer. */ + *pDst++ = __QSUB(*pSrcA++, *pSrcB++); + + /* Decrement the loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A - B */ + /* Subtract and then store the result in the destination buffer. */ + *pDst++ = (q31_t) clip_q63_to_q31((q63_t) * pSrcA++ - *pSrcB++); + + /* Decrement the loop counter */ + blkCnt--; + } + +#endif /* #ifndef ARM_MATH_CM0 */ + +} + +/** + * @} end of BasicSub group + */ diff --git a/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_sub_q7.c b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_sub_q7.c new file mode 100644 index 0000000000..0bbaf8f055 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_sub_q7.c @@ -0,0 +1,126 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_sub_q7.c +* +* Description: Q7 vector subtraction. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* +* Version 0.0.7 2010/06/10 +* Misra-C changes done +* -------------------------------------------------------------------- */ + +#include "arm_math.h" + +/** + * @ingroup groupMath + */ + +/** + * @addtogroup BasicSub + * @{ + */ + +/** + * @brief Q7 vector subtraction. + * @param[in] *pSrcA points to the first input vector + * @param[in] *pSrcB points to the second input vector + * @param[out] *pDst points to the output vector + * @param[in] blockSize number of samples in each vector + * @return none. + * + * Scaling and Overflow Behavior: + * \par + * The function uses saturating arithmetic. + * Results outside of the allowable Q7 range [0x80 0x7F] will be saturated. + */ + +void arm_sub_q7( + q7_t * pSrcA, + q7_t * pSrcB, + q7_t * pDst, + uint32_t blockSize) +{ + uint32_t blkCnt; /* loop counter */ + +#ifndef ARM_MATH_CM0 + +/* Run the below code for Cortex-M4 and Cortex-M3 */ + + /*loop Unrolling */ + blkCnt = blockSize >> 2u; + + /* First part of the processing with loop unrolling. Compute 4 outputs at a time. + ** a second loop below computes the remaining 1 to 3 samples. */ + while(blkCnt > 0u) + { + /* C = A - B */ + /* Subtract and then store the results in the destination buffer 4 samples at a time. */ + *__SIMD32(pDst)++ = __QSUB8(*__SIMD32(pSrcA)++, *__SIMD32(pSrcB)++); + + /* Decrement the loop counter */ + blkCnt--; + } + + /* If the blockSize is not a multiple of 4, compute any remaining output samples here. + ** No loop unrolling is used. */ + blkCnt = blockSize % 0x4u; + + while(blkCnt > 0u) + { + /* C = A - B */ + /* Subtract and then store the result in the destination buffer. */ + *pDst++ = __SSAT(*pSrcA++ - *pSrcB++, 8); + + /* Decrement the loop counter */ + blkCnt--; + } + +#else + + /* Run the below code for Cortex-M0 */ + + /* Initialize blkCnt with number of samples */ + blkCnt = blockSize; + + while(blkCnt > 0u) + { + /* C = A - B */ + /* Subtract and then store the result in the destination buffer. */ + *pDst++ = (q7_t) __SSAT((q15_t) * pSrcA++ - *pSrcB++, 8); + + /* Decrement the loop counter */ + blkCnt--; + } + +#endif /* #ifndef ARM_MATH_CM0 */ + + +} + +/** + * @} end of BasicSub group + */ diff --git a/libraries/dsp/cmsis_dsp/CommonTables/arm_common_tables.c b/libraries/dsp/cmsis_dsp/CommonTables/arm_common_tables.c new file mode 100644 index 0000000000..eeea42387f --- /dev/null +++ b/libraries/dsp/cmsis_dsp/CommonTables/arm_common_tables.c @@ -0,0 +1,4689 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_common_tables.c +* +* Description: This file has common tables like fft twiddle factors, Bitreverse, reciprocal etc which are used across different functions +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* -------------------------------------------------------------------- */ + + +#include "arm_math.h" +#include "arm_common_tables.h" + +/** + * @ingroup groupTransforms + */ + +/** + * @addtogroup CFFT_CIFFT Complex FFT Tables + * @{ + */ + +/** +* \par +* Pseudo code for Generation of Bit reversal Table is +* \par +* 
for(l=1;l <= N/4;l++)    
+* {    
+*   for(i=0;i> 1;    
+*  }
+* \par +* where N = 4096 logN2 = 12 +* \par +* N is the maximum FFT Size supported +*/ + +/* +* @brief Table for bit reversal process +*/ +const uint16_t armBitRevTable[1024] = { + 0x400, 0x200, 0x600, 0x100, 0x500, 0x300, 0x700, + 0x80, 0x480, 0x280, 0x680, 0x180, 0x580, 0x380, + 0x780, 0x40, 0x440, 0x240, 0x640, 0x140, 0x540, + 0x340, 0x740, 0xc0, 0x4c0, 0x2c0, 0x6c0, 0x1c0, + 0x5c0, 0x3c0, 0x7c0, 0x20, 0x420, 0x220, 0x620, + 0x120, 0x520, 0x320, 0x720, 0xa0, 0x4a0, 0x2a0, + 0x6a0, 0x1a0, 0x5a0, 0x3a0, 0x7a0, 0x60, 0x460, + 0x260, 0x660, 0x160, 0x560, 0x360, 0x760, 0xe0, + 0x4e0, 0x2e0, 0x6e0, 0x1e0, 0x5e0, 0x3e0, 0x7e0, + 0x10, 0x410, 0x210, 0x610, 0x110, 0x510, 0x310, + 0x710, 0x90, 0x490, 0x290, 0x690, 0x190, 0x590, + 0x390, 0x790, 0x50, 0x450, 0x250, 0x650, 0x150, + 0x550, 0x350, 0x750, 0xd0, 0x4d0, 0x2d0, 0x6d0, + 0x1d0, 0x5d0, 0x3d0, 0x7d0, 0x30, 0x430, 0x230, + 0x630, 0x130, 0x530, 0x330, 0x730, 0xb0, 0x4b0, + 0x2b0, 0x6b0, 0x1b0, 0x5b0, 0x3b0, 0x7b0, 0x70, + 0x470, 0x270, 0x670, 0x170, 0x570, 0x370, 0x770, + 0xf0, 0x4f0, 0x2f0, 0x6f0, 0x1f0, 0x5f0, 0x3f0, + 0x7f0, 0x8, 0x408, 0x208, 0x608, 0x108, 0x508, + 0x308, 0x708, 0x88, 0x488, 0x288, 0x688, 0x188, + 0x588, 0x388, 0x788, 0x48, 0x448, 0x248, 0x648, + 0x148, 0x548, 0x348, 0x748, 0xc8, 0x4c8, 0x2c8, + 0x6c8, 0x1c8, 0x5c8, 0x3c8, 0x7c8, 0x28, 0x428, + 0x228, 0x628, 0x128, 0x528, 0x328, 0x728, 0xa8, + 0x4a8, 0x2a8, 0x6a8, 0x1a8, 0x5a8, 0x3a8, 0x7a8, + 0x68, 0x468, 0x268, 0x668, 0x168, 0x568, 0x368, + 0x768, 0xe8, 0x4e8, 0x2e8, 0x6e8, 0x1e8, 0x5e8, + 0x3e8, 0x7e8, 0x18, 0x418, 0x218, 0x618, 0x118, + 0x518, 0x318, 0x718, 0x98, 0x498, 0x298, 0x698, + 0x198, 0x598, 0x398, 0x798, 0x58, 0x458, 0x258, + 0x658, 0x158, 0x558, 0x358, 0x758, 0xd8, 0x4d8, + 0x2d8, 0x6d8, 0x1d8, 0x5d8, 0x3d8, 0x7d8, 0x38, + 0x438, 0x238, 0x638, 0x138, 0x538, 0x338, 0x738, + 0xb8, 0x4b8, 0x2b8, 0x6b8, 0x1b8, 0x5b8, 0x3b8, + 0x7b8, 0x78, 0x478, 0x278, 0x678, 0x178, 0x578, + 0x378, 0x778, 0xf8, 0x4f8, 0x2f8, 0x6f8, 0x1f8, + 0x5f8, 0x3f8, 0x7f8, 0x4, 0x404, 0x204, 0x604, + 0x104, 0x504, 0x304, 0x704, 0x84, 0x484, 0x284, + 0x684, 0x184, 0x584, 0x384, 0x784, 0x44, 0x444, + 0x244, 0x644, 0x144, 0x544, 0x344, 0x744, 0xc4, + 0x4c4, 0x2c4, 0x6c4, 0x1c4, 0x5c4, 0x3c4, 0x7c4, + 0x24, 0x424, 0x224, 0x624, 0x124, 0x524, 0x324, + 0x724, 0xa4, 0x4a4, 0x2a4, 0x6a4, 0x1a4, 0x5a4, + 0x3a4, 0x7a4, 0x64, 0x464, 0x264, 0x664, 0x164, + 0x564, 0x364, 0x764, 0xe4, 0x4e4, 0x2e4, 0x6e4, + 0x1e4, 0x5e4, 0x3e4, 0x7e4, 0x14, 0x414, 0x214, + 0x614, 0x114, 0x514, 0x314, 0x714, 0x94, 0x494, + 0x294, 0x694, 0x194, 0x594, 0x394, 0x794, 0x54, + 0x454, 0x254, 0x654, 0x154, 0x554, 0x354, 0x754, + 0xd4, 0x4d4, 0x2d4, 0x6d4, 0x1d4, 0x5d4, 0x3d4, + 0x7d4, 0x34, 0x434, 0x234, 0x634, 0x134, 0x534, + 0x334, 0x734, 0xb4, 0x4b4, 0x2b4, 0x6b4, 0x1b4, + 0x5b4, 0x3b4, 0x7b4, 0x74, 0x474, 0x274, 0x674, + 0x174, 0x574, 0x374, 0x774, 0xf4, 0x4f4, 0x2f4, + 0x6f4, 0x1f4, 0x5f4, 0x3f4, 0x7f4, 0xc, 0x40c, + 0x20c, 0x60c, 0x10c, 0x50c, 0x30c, 0x70c, 0x8c, + 0x48c, 0x28c, 0x68c, 0x18c, 0x58c, 0x38c, 0x78c, + 0x4c, 0x44c, 0x24c, 0x64c, 0x14c, 0x54c, 0x34c, + 0x74c, 0xcc, 0x4cc, 0x2cc, 0x6cc, 0x1cc, 0x5cc, + 0x3cc, 0x7cc, 0x2c, 0x42c, 0x22c, 0x62c, 0x12c, + 0x52c, 0x32c, 0x72c, 0xac, 0x4ac, 0x2ac, 0x6ac, + 0x1ac, 0x5ac, 0x3ac, 0x7ac, 0x6c, 0x46c, 0x26c, + 0x66c, 0x16c, 0x56c, 0x36c, 0x76c, 0xec, 0x4ec, + 0x2ec, 0x6ec, 0x1ec, 0x5ec, 0x3ec, 0x7ec, 0x1c, + 0x41c, 0x21c, 0x61c, 0x11c, 0x51c, 0x31c, 0x71c, + 0x9c, 0x49c, 0x29c, 0x69c, 0x19c, 0x59c, 0x39c, + 0x79c, 0x5c, 0x45c, 0x25c, 0x65c, 0x15c, 0x55c, + 0x35c, 0x75c, 0xdc, 0x4dc, 0x2dc, 0x6dc, 0x1dc, + 0x5dc, 0x3dc, 0x7dc, 0x3c, 0x43c, 0x23c, 0x63c, + 0x13c, 0x53c, 0x33c, 0x73c, 0xbc, 0x4bc, 0x2bc, + 0x6bc, 0x1bc, 0x5bc, 0x3bc, 0x7bc, 0x7c, 0x47c, + 0x27c, 0x67c, 0x17c, 0x57c, 0x37c, 0x77c, 0xfc, + 0x4fc, 0x2fc, 0x6fc, 0x1fc, 0x5fc, 0x3fc, 0x7fc, + 0x2, 0x402, 0x202, 0x602, 0x102, 0x502, 0x302, + 0x702, 0x82, 0x482, 0x282, 0x682, 0x182, 0x582, + 0x382, 0x782, 0x42, 0x442, 0x242, 0x642, 0x142, + 0x542, 0x342, 0x742, 0xc2, 0x4c2, 0x2c2, 0x6c2, + 0x1c2, 0x5c2, 0x3c2, 0x7c2, 0x22, 0x422, 0x222, + 0x622, 0x122, 0x522, 0x322, 0x722, 0xa2, 0x4a2, + 0x2a2, 0x6a2, 0x1a2, 0x5a2, 0x3a2, 0x7a2, 0x62, + 0x462, 0x262, 0x662, 0x162, 0x562, 0x362, 0x762, + 0xe2, 0x4e2, 0x2e2, 0x6e2, 0x1e2, 0x5e2, 0x3e2, + 0x7e2, 0x12, 0x412, 0x212, 0x612, 0x112, 0x512, + 0x312, 0x712, 0x92, 0x492, 0x292, 0x692, 0x192, + 0x592, 0x392, 0x792, 0x52, 0x452, 0x252, 0x652, + 0x152, 0x552, 0x352, 0x752, 0xd2, 0x4d2, 0x2d2, + 0x6d2, 0x1d2, 0x5d2, 0x3d2, 0x7d2, 0x32, 0x432, + 0x232, 0x632, 0x132, 0x532, 0x332, 0x732, 0xb2, + 0x4b2, 0x2b2, 0x6b2, 0x1b2, 0x5b2, 0x3b2, 0x7b2, + 0x72, 0x472, 0x272, 0x672, 0x172, 0x572, 0x372, + 0x772, 0xf2, 0x4f2, 0x2f2, 0x6f2, 0x1f2, 0x5f2, + 0x3f2, 0x7f2, 0xa, 0x40a, 0x20a, 0x60a, 0x10a, + 0x50a, 0x30a, 0x70a, 0x8a, 0x48a, 0x28a, 0x68a, + 0x18a, 0x58a, 0x38a, 0x78a, 0x4a, 0x44a, 0x24a, + 0x64a, 0x14a, 0x54a, 0x34a, 0x74a, 0xca, 0x4ca, + 0x2ca, 0x6ca, 0x1ca, 0x5ca, 0x3ca, 0x7ca, 0x2a, + 0x42a, 0x22a, 0x62a, 0x12a, 0x52a, 0x32a, 0x72a, + 0xaa, 0x4aa, 0x2aa, 0x6aa, 0x1aa, 0x5aa, 0x3aa, + 0x7aa, 0x6a, 0x46a, 0x26a, 0x66a, 0x16a, 0x56a, + 0x36a, 0x76a, 0xea, 0x4ea, 0x2ea, 0x6ea, 0x1ea, + 0x5ea, 0x3ea, 0x7ea, 0x1a, 0x41a, 0x21a, 0x61a, + 0x11a, 0x51a, 0x31a, 0x71a, 0x9a, 0x49a, 0x29a, + 0x69a, 0x19a, 0x59a, 0x39a, 0x79a, 0x5a, 0x45a, + 0x25a, 0x65a, 0x15a, 0x55a, 0x35a, 0x75a, 0xda, + 0x4da, 0x2da, 0x6da, 0x1da, 0x5da, 0x3da, 0x7da, + 0x3a, 0x43a, 0x23a, 0x63a, 0x13a, 0x53a, 0x33a, + 0x73a, 0xba, 0x4ba, 0x2ba, 0x6ba, 0x1ba, 0x5ba, + 0x3ba, 0x7ba, 0x7a, 0x47a, 0x27a, 0x67a, 0x17a, + 0x57a, 0x37a, 0x77a, 0xfa, 0x4fa, 0x2fa, 0x6fa, + 0x1fa, 0x5fa, 0x3fa, 0x7fa, 0x6, 0x406, 0x206, + 0x606, 0x106, 0x506, 0x306, 0x706, 0x86, 0x486, + 0x286, 0x686, 0x186, 0x586, 0x386, 0x786, 0x46, + 0x446, 0x246, 0x646, 0x146, 0x546, 0x346, 0x746, + 0xc6, 0x4c6, 0x2c6, 0x6c6, 0x1c6, 0x5c6, 0x3c6, + 0x7c6, 0x26, 0x426, 0x226, 0x626, 0x126, 0x526, + 0x326, 0x726, 0xa6, 0x4a6, 0x2a6, 0x6a6, 0x1a6, + 0x5a6, 0x3a6, 0x7a6, 0x66, 0x466, 0x266, 0x666, + 0x166, 0x566, 0x366, 0x766, 0xe6, 0x4e6, 0x2e6, + 0x6e6, 0x1e6, 0x5e6, 0x3e6, 0x7e6, 0x16, 0x416, + 0x216, 0x616, 0x116, 0x516, 0x316, 0x716, 0x96, + 0x496, 0x296, 0x696, 0x196, 0x596, 0x396, 0x796, + 0x56, 0x456, 0x256, 0x656, 0x156, 0x556, 0x356, + 0x756, 0xd6, 0x4d6, 0x2d6, 0x6d6, 0x1d6, 0x5d6, + 0x3d6, 0x7d6, 0x36, 0x436, 0x236, 0x636, 0x136, + 0x536, 0x336, 0x736, 0xb6, 0x4b6, 0x2b6, 0x6b6, + 0x1b6, 0x5b6, 0x3b6, 0x7b6, 0x76, 0x476, 0x276, + 0x676, 0x176, 0x576, 0x376, 0x776, 0xf6, 0x4f6, + 0x2f6, 0x6f6, 0x1f6, 0x5f6, 0x3f6, 0x7f6, 0xe, + 0x40e, 0x20e, 0x60e, 0x10e, 0x50e, 0x30e, 0x70e, + 0x8e, 0x48e, 0x28e, 0x68e, 0x18e, 0x58e, 0x38e, + 0x78e, 0x4e, 0x44e, 0x24e, 0x64e, 0x14e, 0x54e, + 0x34e, 0x74e, 0xce, 0x4ce, 0x2ce, 0x6ce, 0x1ce, + 0x5ce, 0x3ce, 0x7ce, 0x2e, 0x42e, 0x22e, 0x62e, + 0x12e, 0x52e, 0x32e, 0x72e, 0xae, 0x4ae, 0x2ae, + 0x6ae, 0x1ae, 0x5ae, 0x3ae, 0x7ae, 0x6e, 0x46e, + 0x26e, 0x66e, 0x16e, 0x56e, 0x36e, 0x76e, 0xee, + 0x4ee, 0x2ee, 0x6ee, 0x1ee, 0x5ee, 0x3ee, 0x7ee, + 0x1e, 0x41e, 0x21e, 0x61e, 0x11e, 0x51e, 0x31e, + 0x71e, 0x9e, 0x49e, 0x29e, 0x69e, 0x19e, 0x59e, + 0x39e, 0x79e, 0x5e, 0x45e, 0x25e, 0x65e, 0x15e, + 0x55e, 0x35e, 0x75e, 0xde, 0x4de, 0x2de, 0x6de, + 0x1de, 0x5de, 0x3de, 0x7de, 0x3e, 0x43e, 0x23e, + 0x63e, 0x13e, 0x53e, 0x33e, 0x73e, 0xbe, 0x4be, + 0x2be, 0x6be, 0x1be, 0x5be, 0x3be, 0x7be, 0x7e, + 0x47e, 0x27e, 0x67e, 0x17e, 0x57e, 0x37e, 0x77e, + 0xfe, 0x4fe, 0x2fe, 0x6fe, 0x1fe, 0x5fe, 0x3fe, + 0x7fe, 0x1 +}; + + +/* +* @brief Floating-point Twiddle factors Table Generation +*/ + + +/** +* \par +* Example code for Floating-point Twiddle factors Generation: +* \par +* 
for(i = 0; i< 3N/4; i++)    
+* {    
+*	twiddleCoef[2*i]= cos(i * 2*PI/(float)N);    
+*	twiddleCoef[2*i+1]= sin(i * 2*PI/(float)N);    
+* }
+* \par +* where N = 4096 and PI = 3.14159265358979 +* \par +* Cos and Sin values are in interleaved fashion +* +*/ +const float32_t twiddleCoef[6144] = { + 1.000000000000000000f, 0.000000000000000000f, 0.999998823451701880f, + 0.001533980186284766f, 0.999995293809576190f, 0.003067956762965976f, + 0.999989411081928400f, 0.004601926120448571f, 0.999981175282601110f, + 0.006135884649154475f, 0.999970586430974140f, 0.007669828739531097f, + 0.999957644551963900f, 0.009203754782059819f, 0.999942349676023910f, + 0.010737659167264491f, 0.999924701839144500f, 0.012271538285719925f, + 0.999904701082852900f, 0.013805388528060391f, 0.999882347454212560f, + 0.015339206284988100f, 0.999857641005823860f, 0.016872987947281710f, + 0.999830581795823400f, 0.018406729905804820f, 0.999801169887884260f, + 0.019940428551514441f, 0.999769405351215280f, 0.021474080275469508f, + 0.999735288260561680f, 0.023007681468839369f, 0.999698818696204250f, + 0.024541228522912288f, 0.999659996743959220f, 0.026074717829103901f, + 0.999618822495178640f, 0.027608145778965740f, 0.999575296046749220f, + 0.029141508764193722f, 0.999529417501093140f, 0.030674803176636626f, + 0.999481186966166950f, 0.032208025408304586f, 0.999430604555461730f, + 0.033741171851377580f, 0.999377670388002850f, 0.035274238898213947f, + 0.999322384588349540f, 0.036807222941358832f, 0.999264747286594420f, + 0.038340120373552694f, 0.999204758618363890f, 0.039872927587739811f, + 0.999142418724816910f, 0.041405640977076739f, 0.999077727752645360f, + 0.042938256934940820f, 0.999010685854073380f, 0.044470771854938668f, + 0.998941293186856870f, 0.046003182130914623f, 0.998869549914283560f, + 0.047535484156959303f, 0.998795456205172410f, 0.049067674327418015f, + 0.998719012233872940f, 0.050599749036899282f, 0.998640218180265270f, + 0.052131704680283324f, 0.998559074229759310f, 0.053663537652730520f, + 0.998475580573294770f, 0.055195244349689934f, 0.998389737407340160f, + 0.056726821166907748f, 0.998301544933892890f, 0.058258264500435752f, + 0.998211003360478190f, 0.059789570746639868f, 0.998118112900149180f, + 0.061320736302208578f, 0.998022873771486240f, 0.062851757564161406f, + 0.997925286198596000f, 0.064382630929857465f, 0.997825350411111640f, + 0.065913352797003805f, 0.997723066644191640f, 0.067443919563664051f, + 0.997618435138519550f, 0.068974327628266746f, 0.997511456140303450f, + 0.070504573389613856f, 0.997402129901275300f, 0.072034653246889332f, + 0.997290456678690210f, 0.073564563599667426f, 0.997176436735326190f, + 0.075094300847921305f, 0.997060070339482960f, 0.076623861392031492f, + 0.996941357764982160f, 0.078153241632794232f, 0.996820299291165670f, + 0.079682437971430126f, 0.996696895202896060f, 0.081211446809592441f, + 0.996571145790554840f, 0.082740264549375692f, 0.996443051350042630f, + 0.084268887593324071f, 0.996312612182778000f, 0.085797312344439894f, + 0.996179828595696980f, 0.087325535206192059f, 0.996044700901251970f, + 0.088853552582524600f, 0.995907229417411720f, 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-0.999995293809576190f, -0.001533980186285111f, -0.999998823451701880f, +}; + +/* +* @brief Q31 Twiddle factors Table +*/ + +/** +* \par +* Example code for Q31 Twiddle factors Generation:: +* \par +* 
for(i = 0; i< 3N/4; i++)    
+* {    
+*    twiddleCoefQ31[2*i]= cos(i * 2*PI/(float)N);    
+*    twiddleCoefQ31[2*i+1]= sin(i * 2*PI/(float)N);    
+* }
+* \par +* where N = 4096 and PI = 3.14159265358979 +* \par +* Cos and Sin values are interleaved fashion +* \par +* Convert Floating point to Q31(Fixed point 1.31): +* round(twiddleCoefQ31(i) * pow(2, 31)) +* +*/ + +const q31_t twiddleCoefQ31[6144] = { + 0x7fffffff, 0x0, 0x7ffff621, 0x3243f5, 0x7fffd886, 0x6487e3, 0x7fffa72c, + 0x96cbc1, + 0x7fff6216, 0xc90f88, 0x7fff0943, 0xfb5330, 0x7ffe9cb2, 0x12d96b1, + 0x7ffe1c65, 0x15fda03, + 0x7ffd885a, 0x1921d20, 0x7ffce093, 0x1c45ffe, 0x7ffc250f, 0x1f6a297, + 0x7ffb55ce, 0x228e4e2, + 0x7ffa72d1, 0x25b26d7, 0x7ff97c18, 0x28d6870, 0x7ff871a2, 0x2bfa9a4, + 0x7ff75370, 0x2f1ea6c, + 0x7ff62182, 0x3242abf, 0x7ff4dbd9, 0x3566a96, 0x7ff38274, 0x388a9ea, + 0x7ff21553, 0x3bae8b2, + 0x7ff09478, 0x3ed26e6, 0x7feeffe1, 0x41f6480, 0x7fed5791, 0x451a177, + 0x7feb9b85, 0x483ddc3, + 0x7fe9cbc0, 0x4b6195d, 0x7fe7e841, 0x4e8543e, 0x7fe5f108, 0x51a8e5c, + 0x7fe3e616, 0x54cc7b1, + 0x7fe1c76b, 0x57f0035, 0x7fdf9508, 0x5b137df, 0x7fdd4eec, 0x5e36ea9, + 0x7fdaf519, 0x615a48b, + 0x7fd8878e, 0x647d97c, 0x7fd6064c, 0x67a0d76, 0x7fd37153, 0x6ac406f, + 0x7fd0c8a3, 0x6de7262, + 0x7fce0c3e, 0x710a345, 0x7fcb3c23, 0x742d311, 0x7fc85854, 0x77501be, + 0x7fc560cf, 0x7a72f45, + 0x7fc25596, 0x7d95b9e, 0x7fbf36aa, 0x80b86c2, 0x7fbc040a, 0x83db0a7, + 0x7fb8bdb8, 0x86fd947, + 0x7fb563b3, 0x8a2009a, 0x7fb1f5fc, 0x8d42699, 0x7fae7495, 0x9064b3a, + 0x7faadf7c, 0x9386e78, + 0x7fa736b4, 0x96a9049, 0x7fa37a3c, 0x99cb0a7, 0x7f9faa15, 0x9cecf89, + 0x7f9bc640, 0xa00ece8, + 0x7f97cebd, 0xa3308bd, 0x7f93c38c, 0xa6522fe, 0x7f8fa4b0, 0xa973ba5, + 0x7f8b7227, 0xac952aa, + 0x7f872bf3, 0xafb6805, 0x7f82d214, 0xb2d7baf, 0x7f7e648c, 0xb5f8d9f, + 0x7f79e35a, 0xb919dcf, + 0x7f754e80, 0xbc3ac35, 0x7f70a5fe, 0xbf5b8cb, 0x7f6be9d4, 0xc27c389, + 0x7f671a05, 0xc59cc68, + 0x7f62368f, 0xc8bd35e, 0x7f5d3f75, 0xcbdd865, 0x7f5834b7, 0xcefdb76, + 0x7f531655, 0xd21dc87, + 0x7f4de451, 0xd53db92, 0x7f489eaa, 0xd85d88f, 0x7f434563, 0xdb7d376, + 0x7f3dd87c, 0xde9cc40, + 0x7f3857f6, 0xe1bc2e4, 0x7f32c3d1, 0xe4db75b, 0x7f2d1c0e, 0xe7fa99e, + 0x7f2760af, 0xeb199a4, + 0x7f2191b4, 0xee38766, 0x7f1baf1e, 0xf1572dc, 0x7f15b8ee, 0xf475bff, + 0x7f0faf25, 0xf7942c7, + 0x7f0991c4, 0xfab272b, 0x7f0360cb, 0xfdd0926, 0x7efd1c3c, 0x100ee8ad, + 0x7ef6c418, 0x1040c5bb, + 0x7ef05860, 0x1072a048, 0x7ee9d914, 0x10a4784b, 0x7ee34636, 0x10d64dbd, + 0x7edc9fc6, 0x11082096, + 0x7ed5e5c6, 0x1139f0cf, 0x7ecf1837, 0x116bbe60, 0x7ec8371a, 0x119d8941, + 0x7ec14270, 0x11cf516a, + 0x7eba3a39, 0x120116d5, 0x7eb31e78, 0x1232d979, 0x7eabef2c, 0x1264994e, + 0x7ea4ac58, 0x1296564d, + 0x7e9d55fc, 0x12c8106f, 0x7e95ec1a, 0x12f9c7aa, 0x7e8e6eb2, 0x132b7bf9, + 0x7e86ddc6, 0x135d2d53, + 0x7e7f3957, 0x138edbb1, 0x7e778166, 0x13c0870a, 0x7e6fb5f4, 0x13f22f58, + 0x7e67d703, 0x1423d492, + 0x7e5fe493, 0x145576b1, 0x7e57dea7, 0x148715ae, 0x7e4fc53e, 0x14b8b17f, + 0x7e47985b, 0x14ea4a1f, + 0x7e3f57ff, 0x151bdf86, 0x7e37042a, 0x154d71aa, 0x7e2e9cdf, 0x157f0086, + 0x7e26221f, 0x15b08c12, + 0x7e1d93ea, 0x15e21445, 0x7e14f242, 0x16139918, 0x7e0c3d29, 0x16451a83, + 0x7e0374a0, 0x1676987f, + 0x7dfa98a8, 0x16a81305, 0x7df1a942, 0x16d98a0c, 0x7de8a670, 0x170afd8d, + 0x7ddf9034, 0x173c6d80, + 0x7dd6668f, 0x176dd9de, 0x7dcd2981, 0x179f429f, 0x7dc3d90d, 0x17d0a7bc, + 0x7dba7534, 0x1802092c, + 0x7db0fdf8, 0x183366e9, 0x7da77359, 0x1864c0ea, 0x7d9dd55a, 0x18961728, + 0x7d9423fc, 0x18c7699b, + 0x7d8a5f40, 0x18f8b83c, 0x7d808728, 0x192a0304, 0x7d769bb5, 0x195b49ea, + 0x7d6c9ce9, 0x198c8ce7, + 0x7d628ac6, 0x19bdcbf3, 0x7d58654d, 0x19ef0707, 0x7d4e2c7f, 0x1a203e1b, + 0x7d43e05e, 0x1a517128, + 0x7d3980ec, 0x1a82a026, 0x7d2f0e2b, 0x1ab3cb0d, 0x7d24881b, 0x1ae4f1d6, + 0x7d19eebf, 0x1b161479, + 0x7d0f4218, 0x1b4732ef, 0x7d048228, 0x1b784d30, 0x7cf9aef0, 0x1ba96335, + 0x7ceec873, 0x1bda74f6, + 0x7ce3ceb2, 0x1c0b826a, 0x7cd8c1ae, 0x1c3c8b8c, 0x7ccda169, 0x1c6d9053, + 0x7cc26de5, 0x1c9e90b8, + 0x7cb72724, 0x1ccf8cb3, 0x7cabcd28, 0x1d00843d, 0x7ca05ff1, 0x1d31774d, + 0x7c94df83, 0x1d6265dd, + 0x7c894bde, 0x1d934fe5, 0x7c7da505, 0x1dc4355e, 0x7c71eaf9, 0x1df5163f, + 0x7c661dbc, 0x1e25f282, + 0x7c5a3d50, 0x1e56ca1e, 0x7c4e49b7, 0x1e879d0d, 0x7c4242f2, 0x1eb86b46, + 0x7c362904, 0x1ee934c3, + 0x7c29fbee, 0x1f19f97b, 0x7c1dbbb3, 0x1f4ab968, 0x7c116853, 0x1f7b7481, + 0x7c0501d2, 0x1fac2abf, + 0x7bf88830, 0x1fdcdc1b, 0x7bebfb70, 0x200d888d, 0x7bdf5b94, 0x203e300d, + 0x7bd2a89e, 0x206ed295, + 0x7bc5e290, 0x209f701c, 0x7bb9096b, 0x20d0089c, 0x7bac1d31, 0x21009c0c, + 0x7b9f1de6, 0x21312a65, + 0x7b920b89, 0x2161b3a0, 0x7b84e61f, 0x219237b5, 0x7b77ada8, 0x21c2b69c, + 0x7b6a6227, 0x21f3304f, + 0x7b5d039e, 0x2223a4c5, 0x7b4f920e, 0x225413f8, 0x7b420d7a, 0x22847de0, + 0x7b3475e5, 0x22b4e274, + 0x7b26cb4f, 0x22e541af, 0x7b190dbc, 0x23159b88, 0x7b0b3d2c, 0x2345eff8, + 0x7afd59a4, 0x23763ef7, + 0x7aef6323, 0x23a6887f, 0x7ae159ae, 0x23d6cc87, 0x7ad33d45, 0x24070b08, + 0x7ac50dec, 0x243743fa, + 0x7ab6cba4, 0x24677758, 0x7aa8766f, 0x2497a517, 0x7a9a0e50, 0x24c7cd33, + 0x7a8b9348, 0x24f7efa2, + 0x7a7d055b, 0x25280c5e, 0x7a6e648a, 0x2558235f, 0x7a5fb0d8, 0x2588349d, + 0x7a50ea47, 0x25b84012, + 0x7a4210d8, 0x25e845b6, 0x7a332490, 0x26184581, 0x7a24256f, 0x26483f6c, + 0x7a151378, 0x26783370, + 0x7a05eead, 0x26a82186, 0x79f6b711, 0x26d809a5, 0x79e76ca7, 0x2707ebc7, + 0x79d80f6f, 0x2737c7e3, + 0x79c89f6e, 0x27679df4, 0x79b91ca4, 0x27976df1, 0x79a98715, 0x27c737d3, + 0x7999dec4, 0x27f6fb92, + 0x798a23b1, 0x2826b928, 0x797a55e0, 0x2856708d, 0x796a7554, 0x288621b9, + 0x795a820e, 0x28b5cca5, + 0x794a7c12, 0x28e5714b, 0x793a6361, 0x29150fa1, 0x792a37fe, 0x2944a7a2, + 0x7919f9ec, 0x29743946, + 0x7909a92d, 0x29a3c485, 0x78f945c3, 0x29d34958, 0x78e8cfb2, 0x2a02c7b8, + 0x78d846fb, 0x2a323f9e, + 0x78c7aba2, 0x2a61b101, 0x78b6fda8, 0x2a911bdc, 0x78a63d11, 0x2ac08026, + 0x789569df, 0x2aefddd8, + 0x78848414, 0x2b1f34eb, 0x78738bb3, 0x2b4e8558, 0x786280bf, 0x2b7dcf17, + 0x7851633b, 0x2bad1221, + 0x78403329, 0x2bdc4e6f, 0x782ef08b, 0x2c0b83fa, 0x781d9b65, 0x2c3ab2b9, + 0x780c33b8, 0x2c69daa6, + 0x77fab989, 0x2c98fbba, 0x77e92cd9, 0x2cc815ee, 0x77d78daa, 0x2cf72939, + 0x77c5dc01, 0x2d263596, + 0x77b417df, 0x2d553afc, 0x77a24148, 0x2d843964, 0x7790583e, 0x2db330c7, + 0x777e5cc3, 0x2de2211e, + 0x776c4edb, 0x2e110a62, 0x775a2e89, 0x2e3fec8b, 0x7747fbce, 0x2e6ec792, + 0x7735b6af, 0x2e9d9b70, + 0x77235f2d, 0x2ecc681e, 0x7710f54c, 0x2efb2d95, 0x76fe790e, 0x2f29ebcc, + 0x76ebea77, 0x2f58a2be, + 0x76d94989, 0x2f875262, 0x76c69647, 0x2fb5fab2, 0x76b3d0b4, 0x2fe49ba7, + 0x76a0f8d2, 0x30133539, + 0x768e0ea6, 0x3041c761, 0x767b1231, 0x30705217, 0x76680376, 0x309ed556, + 0x7654e279, 0x30cd5115, + 0x7641af3d, 0x30fbc54d, 0x762e69c4, 0x312a31f8, 0x761b1211, 0x3158970e, + 0x7607a828, 0x3186f487, + 0x75f42c0b, 0x31b54a5e, 0x75e09dbd, 0x31e39889, 0x75ccfd42, 0x3211df04, + 0x75b94a9c, 0x32401dc6, + 0x75a585cf, 0x326e54c7, 0x7591aedd, 0x329c8402, 0x757dc5ca, 0x32caab6f, + 0x7569ca99, 0x32f8cb07, + 0x7555bd4c, 0x3326e2c3, 0x75419de7, 0x3354f29b, 0x752d6c6c, 0x3382fa88, + 0x751928e0, 0x33b0fa84, + 0x7504d345, 0x33def287, 0x74f06b9e, 0x340ce28b, 0x74dbf1ef, 0x343aca87, + 0x74c7663a, 0x3468aa76, + 0x74b2c884, 0x34968250, 0x749e18cd, 0x34c4520d, 0x7489571c, 0x34f219a8, + 0x74748371, 0x351fd918, + 0x745f9dd1, 0x354d9057, 0x744aa63f, 0x357b3f5d, 0x74359cbd, 0x35a8e625, + 0x74208150, 0x35d684a6, + 0x740b53fb, 0x36041ad9, 0x73f614c0, 0x3631a8b8, 0x73e0c3a3, 0x365f2e3b, + 0x73cb60a8, 0x368cab5c, + 0x73b5ebd1, 0x36ba2014, 0x73a06522, 0x36e78c5b, 0x738acc9e, 0x3714f02a, + 0x73752249, 0x37424b7b, + 0x735f6626, 0x376f9e46, 0x73499838, 0x379ce885, 0x7333b883, 0x37ca2a30, + 0x731dc70a, 0x37f76341, + 0x7307c3d0, 0x382493b0, 0x72f1aed9, 0x3851bb77, 0x72db8828, 0x387eda8e, + 0x72c54fc1, 0x38abf0ef, + 0x72af05a7, 0x38d8fe93, 0x7298a9dd, 0x39060373, 0x72823c67, 0x3932ff87, + 0x726bbd48, 0x395ff2c9, + 0x72552c85, 0x398cdd32, 0x723e8a20, 0x39b9bebc, 0x7227d61c, 0x39e6975e, + 0x7211107e, 0x3a136712, + 0x71fa3949, 0x3a402dd2, 0x71e35080, 0x3a6ceb96, 0x71cc5626, 0x3a99a057, + 0x71b54a41, 0x3ac64c0f, + 0x719e2cd2, 0x3af2eeb7, 0x7186fdde, 0x3b1f8848, 0x716fbd68, 0x3b4c18ba, + 0x71586b74, 0x3b78a007, + 0x71410805, 0x3ba51e29, 0x7129931f, 0x3bd19318, 0x71120cc5, 0x3bfdfecd, + 0x70fa74fc, 0x3c2a6142, + 0x70e2cbc6, 0x3c56ba70, 0x70cb1128, 0x3c830a50, 0x70b34525, 0x3caf50da, + 0x709b67c0, 0x3cdb8e09, + 0x708378ff, 0x3d07c1d6, 0x706b78e3, 0x3d33ec39, 0x70536771, 0x3d600d2c, + 0x703b44ad, 0x3d8c24a8, + 0x7023109a, 0x3db832a6, 0x700acb3c, 0x3de4371f, 0x6ff27497, 0x3e10320d, + 0x6fda0cae, 0x3e3c2369, + 0x6fc19385, 0x3e680b2c, 0x6fa90921, 0x3e93e950, 0x6f906d84, 0x3ebfbdcd, + 0x6f77c0b3, 0x3eeb889c, + 0x6f5f02b2, 0x3f1749b8, 0x6f463383, 0x3f430119, 0x6f2d532c, 0x3f6eaeb8, + 0x6f1461b0, 0x3f9a5290, + 0x6efb5f12, 0x3fc5ec98, 0x6ee24b57, 0x3ff17cca, 0x6ec92683, 0x401d0321, + 0x6eaff099, 0x40487f94, + 0x6e96a99d, 0x4073f21d, 0x6e7d5193, 0x409f5ab6, 0x6e63e87f, 0x40cab958, + 0x6e4a6e66, 0x40f60dfb, + 0x6e30e34a, 0x4121589b, 0x6e174730, 0x414c992f, 0x6dfd9a1c, 0x4177cfb1, + 0x6de3dc11, 0x41a2fc1a, + 0x6dca0d14, 0x41ce1e65, 0x6db02d29, 0x41f93689, 0x6d963c54, 0x42244481, + 0x6d7c3a98, 0x424f4845, + 0x6d6227fa, 0x427a41d0, 0x6d48047e, 0x42a5311b, 0x6d2dd027, 0x42d0161e, + 0x6d138afb, 0x42faf0d4, + 0x6cf934fc, 0x4325c135, 0x6cdece2f, 0x4350873c, 0x6cc45698, 0x437b42e1, + 0x6ca9ce3b, 0x43a5f41e, + 0x6c8f351c, 0x43d09aed, 0x6c748b3f, 0x43fb3746, 0x6c59d0a9, 0x4425c923, + 0x6c3f055d, 0x4450507e, + 0x6c242960, 0x447acd50, 0x6c093cb6, 0x44a53f93, 0x6bee3f62, 0x44cfa740, + 0x6bd3316a, 0x44fa0450, + 0x6bb812d1, 0x452456bd, 0x6b9ce39b, 0x454e9e80, 0x6b81a3cd, 0x4578db93, + 0x6b66536b, 0x45a30df0, + 0x6b4af279, 0x45cd358f, 0x6b2f80fb, 0x45f7526b, 0x6b13fef5, 0x4621647d, + 0x6af86c6c, 0x464b6bbe, + 0x6adcc964, 0x46756828, 0x6ac115e2, 0x469f59b4, 0x6aa551e9, 0x46c9405c, + 0x6a897d7d, 0x46f31c1a, + 0x6a6d98a4, 0x471cece7, 0x6a51a361, 0x4746b2bc, 0x6a359db9, 0x47706d93, + 0x6a1987b0, 0x479a1d67, + 0x69fd614a, 0x47c3c22f, 0x69e12a8c, 0x47ed5be6, 0x69c4e37a, 0x4816ea86, + 0x69a88c19, 0x48406e08, + 0x698c246c, 0x4869e665, 0x696fac78, 0x48935397, 0x69532442, 0x48bcb599, + 0x69368bce, 0x48e60c62, + 0x6919e320, 0x490f57ee, 0x68fd2a3d, 0x49389836, 0x68e06129, 0x4961cd33, + 0x68c387e9, 0x498af6df, + 0x68a69e81, 0x49b41533, 0x6889a4f6, 0x49dd282a, 0x686c9b4b, 0x4a062fbd, + 0x684f8186, 0x4a2f2be6, + 0x683257ab, 0x4a581c9e, 0x68151dbe, 0x4a8101de, 0x67f7d3c5, 0x4aa9dba2, + 0x67da79c3, 0x4ad2a9e2, + 0x67bd0fbd, 0x4afb6c98, 0x679f95b7, 0x4b2423be, 0x67820bb7, 0x4b4ccf4d, + 0x676471c0, 0x4b756f40, + 0x6746c7d8, 0x4b9e0390, 0x67290e02, 0x4bc68c36, 0x670b4444, 0x4bef092d, + 0x66ed6aa1, 0x4c177a6e, + 0x66cf8120, 0x4c3fdff4, 0x66b187c3, 0x4c6839b7, 0x66937e91, 0x4c9087b1, + 0x6675658c, 0x4cb8c9dd, + 0x66573cbb, 0x4ce10034, 0x66390422, 0x4d092ab0, 0x661abbc5, 0x4d31494b, + 0x65fc63a9, 0x4d595bfe, + 0x65ddfbd3, 0x4d8162c4, 0x65bf8447, 0x4da95d96, 0x65a0fd0b, 0x4dd14c6e, + 0x65826622, 0x4df92f46, + 0x6563bf92, 0x4e210617, 0x6545095f, 0x4e48d0dd, 0x6526438f, 0x4e708f8f, + 0x65076e25, 0x4e984229, + 0x64e88926, 0x4ebfe8a5, 0x64c99498, 0x4ee782fb, 0x64aa907f, 0x4f0f1126, + 0x648b7ce0, 0x4f369320, + 0x646c59bf, 0x4f5e08e3, 0x644d2722, 0x4f857269, 0x642de50d, 0x4faccfab, + 0x640e9386, 0x4fd420a4, + 0x63ef3290, 0x4ffb654d, 0x63cfc231, 0x50229da1, 0x63b0426d, 0x5049c999, + 0x6390b34a, 0x5070e92f, + 0x637114cc, 0x5097fc5e, 0x635166f9, 0x50bf031f, 0x6331a9d4, 0x50e5fd6d, + 0x6311dd64, 0x510ceb40, + 0x62f201ac, 0x5133cc94, 0x62d216b3, 0x515aa162, 0x62b21c7b, 0x518169a5, + 0x6292130c, 0x51a82555, + 0x6271fa69, 0x51ced46e, 0x6251d298, 0x51f576ea, 0x62319b9d, 0x521c0cc2, + 0x6211557e, 0x524295f0, + 0x61f1003f, 0x5269126e, 0x61d09be5, 0x528f8238, 0x61b02876, 0x52b5e546, + 0x618fa5f7, 0x52dc3b92, + 0x616f146c, 0x53028518, 0x614e73da, 0x5328c1d0, 0x612dc447, 0x534ef1b5, + 0x610d05b7, 0x537514c2, + 0x60ec3830, 0x539b2af0, 0x60cb5bb7, 0x53c13439, 0x60aa7050, 0x53e73097, + 0x60897601, 0x540d2005, + 0x60686ccf, 0x5433027d, 0x604754bf, 0x5458d7f9, 0x60262dd6, 0x547ea073, + 0x6004f819, 0x54a45be6, + 0x5fe3b38d, 0x54ca0a4b, 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0x8b0f9462, + 0xcc210d79, 0x8afb2cbb, 0xcc4f057c, 0x8ae6d720, 0xcc7d0578, 0x8ad29394, + 0xccab0d65, 0x8abe6219, + 0xccd91d3d, 0x8aaa42b4, 0xcd0734f9, 0x8a963567, 0xcd355491, 0x8a823a36, + 0xcd637bfe, 0x8a6e5123, + 0xcd91ab39, 0x8a5a7a31, 0xcdbfe23a, 0x8a46b564, 0xcdee20fc, 0x8a3302be, + 0xce1c6777, 0x8a1f6243, + 0xce4ab5a2, 0x8a0bd3f5, 0xce790b79, 0x89f857d8, 0xcea768f2, 0x89e4edef, + 0xced5ce08, 0x89d1963c, + 0xcf043ab3, 0x89be50c3, 0xcf32aeeb, 0x89ab1d87, 0xcf612aaa, 0x8997fc8a, + 0xcf8fade9, 0x8984edcf, + 0xcfbe389f, 0x8971f15a, 0xcfeccac7, 0x895f072e, 0xd01b6459, 0x894c2f4c, + 0xd04a054e, 0x893969b9, + 0xd078ad9e, 0x8926b677, 0xd0a75d42, 0x89141589, 0xd0d61434, 0x890186f2, + 0xd104d26b, 0x88ef0ab4, + 0xd13397e2, 0x88dca0d3, 0xd1626490, 0x88ca4951, 0xd191386e, 0x88b80432, + 0xd1c01375, 0x88a5d177, + 0xd1eef59e, 0x8893b125, 0xd21ddee2, 0x8881a33d, 0xd24ccf39, 0x886fa7c2, + 0xd27bc69c, 0x885dbeb8, + 0xd2aac504, 0x884be821, 0xd2d9ca6a, 0x883a23ff, 0xd308d6c7, 0x88287256, + 0xd337ea12, 0x8816d327, + 0xd3670446, 0x88054677, 0xd396255a, 0x87f3cc48, 0xd3c54d47, 0x87e2649b, + 0xd3f47c06, 0x87d10f75, + 0xd423b191, 0x87bfccd7, 0xd452eddf, 0x87ae9cc5, 0xd48230e9, 0x879d7f41, + 0xd4b17aa8, 0x878c744d, + 0xd4e0cb15, 0x877b7bec, 0xd5102228, 0x876a9621, 0xd53f7fda, 0x8759c2ef, + 0xd56ee424, 0x87490258, + 0xd59e4eff, 0x8738545e, 0xd5cdc062, 0x8727b905, 0xd5fd3848, 0x8717304e, + 0xd62cb6a8, 0x8706ba3d, + 0xd65c3b7b, 0x86f656d3, 0xd68bc6ba, 0x86e60614, 0xd6bb585e, 0x86d5c802, + 0xd6eaf05f, 0x86c59c9f, + 0xd71a8eb5, 0x86b583ee, 0xd74a335b, 0x86a57df2, 0xd779de47, 0x86958aac, + 0xd7a98f73, 0x8685aa20, + 0xd7d946d8, 0x8675dc4f, 0xd809046e, 0x8666213c, 0xd838c82d, 0x865678eb, + 0xd868920f, 0x8646e35c, + 0xd898620c, 0x86376092, 0xd8c8381d, 0x8627f091, 0xd8f81439, 0x86189359, + 0xd927f65b, 0x860948ef, + 0xd957de7a, 0x85fa1153, 0xd987cc90, 0x85eaec88, 0xd9b7c094, 0x85dbda91, + 0xd9e7ba7f, 0x85ccdb70, + 0xda17ba4a, 0x85bdef28, 0xda47bfee, 0x85af15b9, 0xda77cb63, 0x85a04f28, + 0xdaa7dca1, 0x85919b76, + 0xdad7f3a2, 0x8582faa5, 0xdb08105e, 0x85746cb8, 0xdb3832cd, 0x8565f1b0, + 0xdb685ae9, 0x85578991, + 0xdb9888a8, 0x8549345c, 0xdbc8bc06, 0x853af214, 0xdbf8f4f8, 0x852cc2bb, + 0xdc293379, 0x851ea652, + 0xdc597781, 0x85109cdd, 0xdc89c109, 0x8502a65c, 0xdcba1008, 0x84f4c2d4, + 0xdcea6478, 0x84e6f244, + 0xdd1abe51, 0x84d934b1, 0xdd4b1d8c, 0x84cb8a1b, 0xdd7b8220, 0x84bdf286, + 0xddabec08, 0x84b06df2, + 0xdddc5b3b, 0x84a2fc62, 0xde0ccfb1, 0x84959dd9, 0xde3d4964, 0x84885258, + 0xde6dc84b, 0x847b19e1, + 0xde9e4c60, 0x846df477, 0xdeced59b, 0x8460e21a, 0xdeff63f4, 0x8453e2cf, + 0xdf2ff764, 0x8446f695, + 0xdf608fe4, 0x843a1d70, 0xdf912d6b, 0x842d5762, 0xdfc1cff3, 0x8420a46c, + 0xdff27773, 0x84140490, + 0xe02323e5, 0x840777d0, 0xe053d541, 0x83fafe2e, 0xe0848b7f, 0x83ee97ad, + 0xe0b54698, 0x83e2444d, + 0xe0e60685, 0x83d60412, 0xe116cb3d, 0x83c9d6fc, 0xe14794ba, 0x83bdbd0e, + 0xe17862f3, 0x83b1b649, + 0xe1a935e2, 0x83a5c2b0, 0xe1da0d7e, 0x8399e244, 0xe20ae9c1, 0x838e1507, + 0xe23bcaa2, 0x83825afb, + 0xe26cb01b, 0x8376b422, 0xe29d9a23, 0x836b207d, 0xe2ce88b3, 0x835fa00f, + 0xe2ff7bc3, 0x835432d8, + 0xe330734d, 0x8348d8dc, 0xe3616f48, 0x833d921b, 0xe3926fad, 0x83325e97, + 0xe3c37474, 0x83273e52, + 0xe3f47d96, 0x831c314e, 0xe4258b0a, 0x8311378d, 0xe4569ccb, 0x83065110, + 0xe487b2d0, 0x82fb7dd8, + 0xe4b8cd11, 0x82f0bde8, 0xe4e9eb87, 0x82e61141, 0xe51b0e2a, 0x82db77e5, + 0xe54c34f3, 0x82d0f1d5, + 0xe57d5fda, 0x82c67f14, 0xe5ae8ed8, 0x82bc1fa2, 0xe5dfc1e5, 0x82b1d381, + 0xe610f8f9, 0x82a79ab3, + 0xe642340d, 0x829d753a, 0xe6737319, 0x82936317, 0xe6a4b616, 0x8289644b, + 0xe6d5fcfc, 0x827f78d8, + 0xe70747c4, 0x8275a0c0, 0xe7389665, 0x826bdc04, 0xe769e8d8, 0x82622aa6, + 0xe79b3f16, 0x82588ca7, + 0xe7cc9917, 0x824f0208, 0xe7fdf6d4, 0x82458acc, 0xe82f5844, 0x823c26f3, + 0xe860bd61, 0x8232d67f, + 0xe8922622, 0x82299971, 0xe8c39280, 0x82206fcc, 0xe8f50273, 0x82175990, + 0xe92675f4, 0x820e56be, + 0xe957ecfb, 0x82056758, 0xe9896781, 0x81fc8b60, 0xe9bae57d, 0x81f3c2d7, + 0xe9ec66e8, 0x81eb0dbe, + 0xea1debbb, 0x81e26c16, 0xea4f73ee, 0x81d9dde1, 0xea80ff7a, 0x81d16321, + 0xeab28e56, 0x81c8fbd6, + 0xeae4207a, 0x81c0a801, 0xeb15b5e1, 0x81b867a5, 0xeb474e81, 0x81b03ac2, + 0xeb78ea52, 0x81a82159, + 0xebaa894f, 0x81a01b6d, 0xebdc2b6e, 0x819828fd, 0xec0dd0a8, 0x81904a0c, + 0xec3f78f6, 0x81887e9a, + 0xec71244f, 0x8180c6a9, 0xeca2d2ad, 0x8179223a, 0xecd48407, 0x8171914e, + 0xed063856, 0x816a13e6, + 0xed37ef91, 0x8162aa04, 0xed69a9b3, 0x815b53a8, 0xed9b66b2, 0x815410d4, + 0xedcd2687, 0x814ce188, + 0xedfee92b, 0x8145c5c7, 0xee30ae96, 0x813ebd90, 0xee6276bf, 0x8137c8e6, + 0xee9441a0, 0x8130e7c9, + 0xeec60f31, 0x812a1a3a, 0xeef7df6a, 0x8123603a, 0xef29b243, 0x811cb9ca, + 0xef5b87b5, 0x811626ec, + 0xef8d5fb8, 0x810fa7a0, 0xefbf3a45, 0x81093be8, 0xeff11753, 0x8102e3c4, + 0xf022f6da, 0x80fc9f35, + 0xf054d8d5, 0x80f66e3c, 0xf086bd39, 0x80f050db, 0xf0b8a401, 0x80ea4712, + 0xf0ea8d24, 0x80e450e2, + 0xf11c789a, 0x80de6e4c, 0xf14e665c, 0x80d89f51, 0xf1805662, 0x80d2e3f2, + 0xf1b248a5, 0x80cd3c2f, + 0xf1e43d1c, 0x80c7a80a, 0xf21633c0, 0x80c22784, 0xf2482c8a, 0x80bcba9d, + 0xf27a2771, 0x80b76156, + 0xf2ac246e, 0x80b21baf, 0xf2de2379, 0x80ace9ab, 0xf310248a, 0x80a7cb49, + 0xf342279b, 0x80a2c08b, + 0xf3742ca2, 0x809dc971, 0xf3a63398, 0x8098e5fb, 0xf3d83c77, 0x8094162c, + 0xf40a4735, 0x808f5a02, + 0xf43c53cb, 0x808ab180, 0xf46e6231, 0x80861ca6, 0xf4a07261, 0x80819b74, + 0xf4d28451, 0x807d2dec, + 0xf50497fb, 0x8078d40d, 0xf536ad56, 0x80748dd9, 0xf568c45b, 0x80705b50, + 0xf59add02, 0x806c3c74, + 0xf5ccf743, 0x80683143, 0xf5ff1318, 0x806439c0, 0xf6313077, 0x806055eb, + 0xf6634f59, 0x805c85c4, + 0xf6956fb7, 0x8058c94c, 0xf6c79188, 0x80552084, 0xf6f9b4c6, 0x80518b6b, + 0xf72bd967, 0x804e0a04, + 0xf75dff66, 0x804a9c4d, 0xf79026b9, 0x80474248, 0xf7c24f59, 0x8043fbf6, + 0xf7f4793e, 0x8040c956, + 0xf826a462, 0x803daa6a, 0xf858d0bb, 0x803a9f31, 0xf88afe42, 0x8037a7ac, + 0xf8bd2cef, 0x8034c3dd, + 0xf8ef5cbb, 0x8031f3c2, 0xf9218d9e, 0x802f375d, 0xf953bf91, 0x802c8ead, + 0xf985f28a, 0x8029f9b4, + 0xf9b82684, 0x80277872, 0xf9ea5b75, 0x80250ae7, 0xfa1c9157, 0x8022b114, + 0xfa4ec821, 0x80206af8, + 0xfa80ffcb, 0x801e3895, 0xfab3384f, 0x801c19ea, 0xfae571a4, 0x801a0ef8, + 0xfb17abc2, 0x801817bf, + 0xfb49e6a3, 0x80163440, 0xfb7c223d, 0x8014647b, 0xfbae5e89, 0x8012a86f, + 0xfbe09b80, 0x8011001f, + 0xfc12d91a, 0x800f6b88, 0xfc45174e, 0x800deaad, 0xfc775616, 0x800c7d8c, + 0xfca9956a, 0x800b2427, + 0xfcdbd541, 0x8009de7e, 0xfd0e1594, 0x8008ac90, 0xfd40565c, 0x80078e5e, + 0xfd729790, 0x800683e8, + 0xfda4d929, 0x80058d2f, 0xfdd71b1e, 0x8004aa32, 0xfe095d69, 0x8003daf1, + 0xfe3ba002, 0x80031f6d, + 0xfe6de2e0, 0x800277a6, 0xfea025fd, 0x8001e39b, 0xfed2694f, 0x8001634e, + 0xff04acd0, 0x8000f6bd, + 0xff36f078, 0x80009dea, 0xff69343f, 0x800058d4, 0xff9b781d, 0x8000277a, + 0xffcdbc0b, 0x800009df, + +}; + + +/* +* @brief Q15 Twiddle factors Table +*/ + +/** +* \par +* Example code for Q15 Twiddle factors Generation:: +* \par +* 
for(i = 0; i< 3N/4; i++)    
+* {    
+*	twiddleCoefQ15[2*i]= cos(i * 2*PI/(float)N);    
+*	twiddleCoefQ15[2*i+1]= sin(i * 2*PI/(float)N);    
+* }
+* \par +* where N = 4096 and PI = 3.14159265358979 +* \par +* Cos and Sin values are interleaved fashion +* \par +* Convert Floating point to Q15(Fixed point 1.15): +* round(twiddleCoefQ15(i) * pow(2, 15)) +* +*/ + +const q15_t ALIGN4 twiddleCoefQ15[6144] = { + + 0x7fff, 0x0, 0x7fff, 0x32, 0x7fff, 0x65, 0x7fff, 0x97, + 0x7fff, 0xc9, 0x7fff, 0xfb, 0x7fff, 0x12e, 0x7ffe, 0x160, + 0x7ffe, 0x192, 0x7ffd, 0x1c4, 0x7ffc, 0x1f7, 0x7ffb, 0x229, + 0x7ffa, 0x25b, 0x7ff9, 0x28d, 0x7ff8, 0x2c0, 0x7ff7, 0x2f2, + 0x7ff6, 0x324, 0x7ff5, 0x356, 0x7ff4, 0x389, 0x7ff2, 0x3bb, + 0x7ff1, 0x3ed, 0x7fef, 0x41f, 0x7fed, 0x452, 0x7fec, 0x484, + 0x7fea, 0x4b6, 0x7fe8, 0x4e8, 0x7fe6, 0x51b, 0x7fe4, 0x54d, + 0x7fe2, 0x57f, 0x7fe0, 0x5b1, 0x7fdd, 0x5e3, 0x7fdb, 0x616, + 0x7fd9, 0x648, 0x7fd6, 0x67a, 0x7fd3, 0x6ac, 0x7fd1, 0x6de, + 0x7fce, 0x711, 0x7fcb, 0x743, 0x7fc8, 0x775, 0x7fc5, 0x7a7, + 0x7fc2, 0x7d9, 0x7fbf, 0x80c, 0x7fbc, 0x83e, 0x7fb9, 0x870, + 0x7fb5, 0x8a2, 0x7fb2, 0x8d4, 0x7fae, 0x906, 0x7fab, 0x938, + 0x7fa7, 0x96b, 0x7fa3, 0x99d, 0x7fa0, 0x9cf, 0x7f9c, 0xa01, + 0x7f98, 0xa33, 0x7f94, 0xa65, 0x7f90, 0xa97, 0x7f8b, 0xac9, + 0x7f87, 0xafb, 0x7f83, 0xb2d, 0x7f7e, 0xb60, 0x7f7a, 0xb92, + 0x7f75, 0xbc4, 0x7f71, 0xbf6, 0x7f6c, 0xc28, 0x7f67, 0xc5a, + 0x7f62, 0xc8c, 0x7f5d, 0xcbe, 0x7f58, 0xcf0, 0x7f53, 0xd22, + 0x7f4e, 0xd54, 0x7f49, 0xd86, 0x7f43, 0xdb8, 0x7f3e, 0xdea, + 0x7f38, 0xe1c, 0x7f33, 0xe4e, 0x7f2d, 0xe80, 0x7f27, 0xeb2, + 0x7f22, 0xee4, 0x7f1c, 0xf15, 0x7f16, 0xf47, 0x7f10, 0xf79, + 0x7f0a, 0xfab, 0x7f03, 0xfdd, 0x7efd, 0x100f, 0x7ef7, 0x1041, + 0x7ef0, 0x1073, 0x7eea, 0x10a4, 0x7ee3, 0x10d6, 0x7edd, 0x1108, + 0x7ed6, 0x113a, 0x7ecf, 0x116c, 0x7ec8, 0x119e, 0x7ec1, 0x11cf, + 0x7eba, 0x1201, 0x7eb3, 0x1233, 0x7eac, 0x1265, 0x7ea5, 0x1296, + 0x7e9d, 0x12c8, 0x7e96, 0x12fa, 0x7e8e, 0x132b, 0x7e87, 0x135d, + 0x7e7f, 0x138f, 0x7e78, 0x13c1, 0x7e70, 0x13f2, 0x7e68, 0x1424, + 0x7e60, 0x1455, 0x7e58, 0x1487, 0x7e50, 0x14b9, 0x7e48, 0x14ea, + 0x7e3f, 0x151c, 0x7e37, 0x154d, 0x7e2f, 0x157f, 0x7e26, 0x15b1, + 0x7e1e, 0x15e2, 0x7e15, 0x1614, 0x7e0c, 0x1645, 0x7e03, 0x1677, + 0x7dfb, 0x16a8, 0x7df2, 0x16da, 0x7de9, 0x170b, 0x7de0, 0x173c, + 0x7dd6, 0x176e, 0x7dcd, 0x179f, 0x7dc4, 0x17d1, 0x7dba, 0x1802, + 0x7db1, 0x1833, 0x7da7, 0x1865, 0x7d9e, 0x1896, 0x7d94, 0x18c7, + 0x7d8a, 0x18f9, 0x7d81, 0x192a, 0x7d77, 0x195b, 0x7d6d, 0x198d, + 0x7d63, 0x19be, 0x7d58, 0x19ef, 0x7d4e, 0x1a20, 0x7d44, 0x1a51, + 0x7d3a, 0x1a83, 0x7d2f, 0x1ab4, 0x7d25, 0x1ae5, 0x7d1a, 0x1b16, + 0x7d0f, 0x1b47, 0x7d05, 0x1b78, 0x7cfa, 0x1ba9, 0x7cef, 0x1bda, + 0x7ce4, 0x1c0c, 0x7cd9, 0x1c3d, 0x7cce, 0x1c6e, 0x7cc2, 0x1c9f, + 0x7cb7, 0x1cd0, 0x7cac, 0x1d01, 0x7ca0, 0x1d31, 0x7c95, 0x1d62, + 0x7c89, 0x1d93, 0x7c7e, 0x1dc4, 0x7c72, 0x1df5, 0x7c66, 0x1e26, + 0x7c5a, 0x1e57, 0x7c4e, 0x1e88, 0x7c42, 0x1eb8, 0x7c36, 0x1ee9, + 0x7c2a, 0x1f1a, 0x7c1e, 0x1f4b, 0x7c11, 0x1f7b, 0x7c05, 0x1fac, + 0x7bf9, 0x1fdd, 0x7bec, 0x200e, 0x7bdf, 0x203e, 0x7bd3, 0x206f, + 0x7bc6, 0x209f, 0x7bb9, 0x20d0, 0x7bac, 0x2101, 0x7b9f, 0x2131, + 0x7b92, 0x2162, 0x7b85, 0x2192, 0x7b78, 0x21c3, 0x7b6a, 0x21f3, + 0x7b5d, 0x2224, 0x7b50, 0x2254, 0x7b42, 0x2284, 0x7b34, 0x22b5, + 0x7b27, 0x22e5, 0x7b19, 0x2316, 0x7b0b, 0x2346, 0x7afd, 0x2376, + 0x7aef, 0x23a7, 0x7ae1, 0x23d7, 0x7ad3, 0x2407, 0x7ac5, 0x2437, + 0x7ab7, 0x2467, 0x7aa8, 0x2498, 0x7a9a, 0x24c8, 0x7a8c, 0x24f8, + 0x7a7d, 0x2528, 0x7a6e, 0x2558, 0x7a60, 0x2588, 0x7a51, 0x25b8, + 0x7a42, 0x25e8, 0x7a33, 0x2618, 0x7a24, 0x2648, 0x7a15, 0x2678, + 0x7a06, 0x26a8, 0x79f7, 0x26d8, 0x79e7, 0x2708, 0x79d8, 0x2738, + 0x79c9, 0x2768, 0x79b9, 0x2797, 0x79aa, 0x27c7, 0x799a, 0x27f7, + 0x798a, 0x2827, 0x797a, 0x2856, 0x796a, 0x2886, 0x795b, 0x28b6, + 0x794a, 0x28e5, 0x793a, 0x2915, 0x792a, 0x2945, 0x791a, 0x2974, + 0x790a, 0x29a4, 0x78f9, 0x29d3, 0x78e9, 0x2a03, 0x78d8, 0x2a32, + 0x78c8, 0x2a62, 0x78b7, 0x2a91, 0x78a6, 0x2ac1, 0x7895, 0x2af0, + 0x7885, 0x2b1f, 0x7874, 0x2b4f, 0x7863, 0x2b7e, 0x7851, 0x2bad, + 0x7840, 0x2bdc, 0x782f, 0x2c0c, 0x781e, 0x2c3b, 0x780c, 0x2c6a, + 0x77fb, 0x2c99, 0x77e9, 0x2cc8, 0x77d8, 0x2cf7, 0x77c6, 0x2d26, + 0x77b4, 0x2d55, 0x77a2, 0x2d84, 0x7790, 0x2db3, 0x777e, 0x2de2, + 0x776c, 0x2e11, 0x775a, 0x2e40, 0x7748, 0x2e6f, 0x7736, 0x2e9e, + 0x7723, 0x2ecc, 0x7711, 0x2efb, 0x76fe, 0x2f2a, 0x76ec, 0x2f59, + 0x76d9, 0x2f87, 0x76c7, 0x2fb6, 0x76b4, 0x2fe5, 0x76a1, 0x3013, + 0x768e, 0x3042, 0x767b, 0x3070, 0x7668, 0x309f, 0x7655, 0x30cd, + 0x7642, 0x30fc, 0x762e, 0x312a, 0x761b, 0x3159, 0x7608, 0x3187, + 0x75f4, 0x31b5, 0x75e1, 0x31e4, 0x75cd, 0x3212, 0x75b9, 0x3240, + 0x75a6, 0x326e, 0x7592, 0x329d, 0x757e, 0x32cb, 0x756a, 0x32f9, + 0x7556, 0x3327, 0x7542, 0x3355, 0x752d, 0x3383, 0x7519, 0x33b1, + 0x7505, 0x33df, 0x74f0, 0x340d, 0x74dc, 0x343b, 0x74c7, 0x3469, + 0x74b3, 0x3497, 0x749e, 0x34c4, 0x7489, 0x34f2, 0x7475, 0x3520, + 0x7460, 0x354e, 0x744b, 0x357b, 0x7436, 0x35a9, 0x7421, 0x35d7, + 0x740b, 0x3604, 0x73f6, 0x3632, 0x73e1, 0x365f, 0x73cb, 0x368d, + 0x73b6, 0x36ba, 0x73a0, 0x36e8, 0x738b, 0x3715, 0x7375, 0x3742, + 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0xab81, 0x9fda, 0xaba7, 0x9fb9, + 0xabcd, 0x9f98, 0xabf3, 0x9f77, 0xac19, 0x9f56, 0xac3f, 0x9f35, + 0xac65, 0x9f14, 0xac8b, 0x9ef3, 0xacb1, 0x9ed2, 0xacd7, 0x9eb2, + 0xacfd, 0x9e91, 0xad24, 0x9e70, 0xad4a, 0x9e50, 0xad70, 0x9e2f, + 0xad97, 0x9e0f, 0xadbd, 0x9def, 0xade4, 0x9dce, 0xae0b, 0x9dae, + 0xae31, 0x9d8e, 0xae58, 0x9d6e, 0xae7f, 0x9d4e, 0xaea5, 0x9d2e, + 0xaecc, 0x9d0e, 0xaef3, 0x9cee, 0xaf1a, 0x9cce, 0xaf41, 0x9caf, + 0xaf68, 0x9c8f, 0xaf8f, 0x9c6f, 0xafb6, 0x9c50, 0xafdd, 0x9c30, + 0xb005, 0x9c11, 0xb02c, 0x9bf1, 0xb053, 0x9bd2, 0xb07b, 0x9bb3, + 0xb0a2, 0x9b94, 0xb0c9, 0x9b75, 0xb0f1, 0x9b55, 0xb118, 0x9b36, + 0xb140, 0x9b17, 0xb168, 0x9af9, 0xb18f, 0x9ada, 0xb1b7, 0x9abb, + 0xb1df, 0x9a9c, 0xb207, 0x9a7e, 0xb22f, 0x9a5f, 0xb257, 0x9a40, + 0xb27f, 0x9a22, 0xb2a7, 0x9a04, 0xb2cf, 0x99e5, 0xb2f7, 0x99c7, + 0xb31f, 0x99a9, 0xb347, 0x998b, 0xb36f, 0x996d, 0xb398, 0x994e, + 0xb3c0, 0x9930, 0xb3e9, 0x9913, 0xb411, 0x98f5, 0xb439, 0x98d7, + 0xb462, 0x98b9, 0xb48b, 0x989c, 0xb4b3, 0x987e, 0xb4dc, 0x9860, + 0xb505, 0x9843, 0xb52d, 0x9826, 0xb556, 0x9808, 0xb57f, 0x97eb, + 0xb5a8, 0x97ce, 0xb5d1, 0x97b0, 0xb5fa, 0x9793, 0xb623, 0x9776, + 0xb64c, 0x9759, 0xb675, 0x973c, 0xb69e, 0x9720, 0xb6c7, 0x9703, + 0xb6f1, 0x96e6, 0xb71a, 0x96c9, 0xb743, 0x96ad, 0xb76d, 0x9690, + 0xb796, 0x9674, 0xb7c0, 0x9657, 0xb7e9, 0x963b, 0xb813, 0x961f, + 0xb83c, 0x9603, 0xb866, 0x95e6, 0xb890, 0x95ca, 0xb8b9, 0x95ae, + 0xb8e3, 0x9592, 0xb90d, 0x9577, 0xb937, 0x955b, 0xb961, 0x953f, + 0xb98b, 0x9523, 0xb9b5, 0x9508, 0xb9df, 0x94ec, 0xba09, 0x94d0, + 0xba33, 0x94b5, 0xba5d, 0x949a, 0xba87, 0x947e, 0xbab1, 0x9463, + 0xbadc, 0x9448, 0xbb06, 0x942d, 0xbb30, 0x9412, 0xbb5b, 0x93f7, + 0xbb85, 0x93dc, 0xbbb0, 0x93c1, 0xbbda, 0x93a6, 0xbc05, 0x938b, + 0xbc2f, 0x9371, 0xbc5a, 0x9356, 0xbc85, 0x933c, 0xbcaf, 0x9321, + 0xbcda, 0x9307, 0xbd05, 0x92ec, 0xbd30, 0x92d2, 0xbd5b, 0x92b8, + 0xbd86, 0x929e, 0xbdb1, 0x9284, 0xbddc, 0x926a, 0xbe07, 0x9250, + 0xbe32, 0x9236, 0xbe5d, 0x921c, 0xbe88, 0x9202, 0xbeb3, 0x91e9, + 0xbedf, 0x91cf, 0xbf0a, 0x91b6, 0xbf35, 0x919c, 0xbf61, 0x9183, + 0xbf8c, 0x9169, 0xbfb8, 0x9150, 0xbfe3, 0x9137, 0xc00f, 0x911e, + 0xc03a, 0x9105, 0xc066, 0x90ec, 0xc091, 0x90d3, 0xc0bd, 0x90ba, + 0xc0e9, 0x90a1, 0xc114, 0x9088, 0xc140, 0x9070, 0xc16c, 0x9057, + 0xc198, 0x903e, 0xc1c4, 0x9026, 0xc1f0, 0x900e, 0xc21c, 0x8ff5, + 0xc248, 0x8fdd, 0xc274, 0x8fc5, 0xc2a0, 0x8fad, 0xc2cc, 0x8f95, + 0xc2f8, 0x8f7d, 0xc324, 0x8f65, 0xc351, 0x8f4d, 0xc37d, 0x8f35, + 0xc3a9, 0x8f1d, 0xc3d6, 0x8f06, 0xc402, 0x8eee, 0xc42e, 0x8ed6, + 0xc45b, 0x8ebf, 0xc487, 0x8ea8, 0xc4b4, 0x8e90, 0xc4e0, 0x8e79, + 0xc50d, 0x8e62, 0xc53a, 0x8e4b, 0xc566, 0x8e34, 0xc593, 0x8e1d, + 0xc5c0, 0x8e06, 0xc5ed, 0x8def, 0xc619, 0x8dd8, 0xc646, 0x8dc1, + 0xc673, 0x8dab, 0xc6a0, 0x8d94, 0xc6cd, 0x8d7e, 0xc6fa, 0x8d67, + 0xc727, 0x8d51, 0xc754, 0x8d3b, 0xc781, 0x8d24, 0xc7ae, 0x8d0e, + 0xc7db, 0x8cf8, 0xc809, 0x8ce2, 0xc836, 0x8ccc, 0xc863, 0x8cb6, + 0xc890, 0x8ca1, 0xc8be, 0x8c8b, 0xc8eb, 0x8c75, 0xc918, 0x8c60, + 0xc946, 0x8c4a, 0xc973, 0x8c35, 0xc9a1, 0x8c1f, 0xc9ce, 0x8c0a, + 0xc9fc, 0x8bf5, 0xca29, 0x8bdf, 0xca57, 0x8bca, 0xca85, 0x8bb5, + 0xcab2, 0x8ba0, 0xcae0, 0x8b8b, 0xcb0e, 0x8b77, 0xcb3c, 0x8b62, + 0xcb69, 0x8b4d, 0xcb97, 0x8b39, 0xcbc5, 0x8b24, 0xcbf3, 0x8b10, + 0xcc21, 0x8afb, 0xcc4f, 0x8ae7, 0xcc7d, 0x8ad3, 0xccab, 0x8abe, + 0xccd9, 0x8aaa, 0xcd07, 0x8a96, 0xcd35, 0x8a82, 0xcd63, 0x8a6e, + 0xcd92, 0x8a5a, 0xcdc0, 0x8a47, 0xcdee, 0x8a33, 0xce1c, 0x8a1f, + 0xce4b, 0x8a0c, 0xce79, 0x89f8, 0xcea7, 0x89e5, 0xced6, 0x89d2, + 0xcf04, 0x89be, 0xcf33, 0x89ab, 0xcf61, 0x8998, 0xcf90, 0x8985, + 0xcfbe, 0x8972, 0xcfed, 0x895f, 0xd01b, 0x894c, 0xd04a, 0x8939, + 0xd079, 0x8927, 0xd0a7, 0x8914, 0xd0d6, 0x8902, 0xd105, 0x88ef, + 0xd134, 0x88dd, 0xd162, 0x88ca, 0xd191, 0x88b8, 0xd1c0, 0x88a6, + 0xd1ef, 0x8894, 0xd21e, 0x8882, 0xd24d, 0x8870, 0xd27c, 0x885e, + 0xd2ab, 0x884c, 0xd2da, 0x883a, 0xd309, 0x8828, 0xd338, 0x8817, + 0xd367, 0x8805, 0xd396, 0x87f4, 0xd3c5, 0x87e2, 0xd3f4, 0x87d1, + 0xd424, 0x87c0, 0xd453, 0x87af, 0xd482, 0x879d, 0xd4b1, 0x878c, + 0xd4e1, 0x877b, 0xd510, 0x876b, 0xd53f, 0x875a, 0xd56f, 0x8749, + 0xd59e, 0x8738, 0xd5ce, 0x8728, 0xd5fd, 0x8717, 0xd62d, 0x8707, + 0xd65c, 0x86f6, 0xd68c, 0x86e6, 0xd6bb, 0x86d6, 0xd6eb, 0x86c6, + 0xd71b, 0x86b6, 0xd74a, 0x86a5, 0xd77a, 0x8696, 0xd7aa, 0x8686, + 0xd7d9, 0x8676, 0xd809, 0x8666, 0xd839, 0x8656, 0xd869, 0x8647, + 0xd898, 0x8637, 0xd8c8, 0x8628, 0xd8f8, 0x8619, 0xd928, 0x8609, + 0xd958, 0x85fa, 0xd988, 0x85eb, 0xd9b8, 0x85dc, 0xd9e8, 0x85cd, + 0xda18, 0x85be, 0xda48, 0x85af, 0xda78, 0x85a0, 0xdaa8, 0x8592, + 0xdad8, 0x8583, 0xdb08, 0x8574, 0xdb38, 0x8566, 0xdb68, 0x8558, + 0xdb99, 0x8549, 0xdbc9, 0x853b, 0xdbf9, 0x852d, 0xdc29, 0x851f, + 0xdc59, 0x8511, 0xdc8a, 0x8503, 0xdcba, 0x84f5, 0xdcea, 0x84e7, + 0xdd1b, 0x84d9, 0xdd4b, 0x84cc, 0xdd7c, 0x84be, 0xddac, 0x84b0, + 0xdddc, 0x84a3, 0xde0d, 0x8496, 0xde3d, 0x8488, 0xde6e, 0x847b, + 0xde9e, 0x846e, 0xdecf, 0x8461, 0xdeff, 0x8454, 0xdf30, 0x8447, + 0xdf61, 0x843a, 0xdf91, 0x842d, 0xdfc2, 0x8421, 0xdff2, 0x8414, + 0xe023, 0x8407, 0xe054, 0x83fb, 0xe085, 0x83ef, 0xe0b5, 0x83e2, + 0xe0e6, 0x83d6, 0xe117, 0x83ca, 0xe148, 0x83be, 0xe178, 0x83b2, + 0xe1a9, 0x83a6, 0xe1da, 0x839a, 0xe20b, 0x838e, 0xe23c, 0x8382, + 0xe26d, 0x8377, 0xe29e, 0x836b, 0xe2cf, 0x8360, 0xe2ff, 0x8354, + 0xe330, 0x8349, 0xe361, 0x833e, 0xe392, 0x8332, 0xe3c3, 0x8327, + 0xe3f4, 0x831c, 0xe426, 0x8311, 0xe457, 0x8306, 0xe488, 0x82fb, + 0xe4b9, 0x82f1, 0xe4ea, 0x82e6, 0xe51b, 0x82db, 0xe54c, 0x82d1, + 0xe57d, 0x82c6, 0xe5af, 0x82bc, 0xe5e0, 0x82b2, 0xe611, 0x82a8, + 0xe642, 0x829d, 0xe673, 0x8293, 0xe6a5, 0x8289, 0xe6d6, 0x827f, + 0xe707, 0x8276, 0xe739, 0x826c, 0xe76a, 0x8262, 0xe79b, 0x8259, + 0xe7cd, 0x824f, 0xe7fe, 0x8246, 0xe82f, 0x823c, 0xe861, 0x8233, + 0xe892, 0x822a, 0xe8c4, 0x8220, 0xe8f5, 0x8217, 0xe926, 0x820e, + 0xe958, 0x8205, 0xe989, 0x81fd, 0xe9bb, 0x81f4, 0xe9ec, 0x81eb, + 0xea1e, 0x81e2, 0xea4f, 0x81da, 0xea81, 0x81d1, 0xeab3, 0x81c9, + 0xeae4, 0x81c1, 0xeb16, 0x81b8, 0xeb47, 0x81b0, 0xeb79, 0x81a8, + 0xebab, 0x81a0, 0xebdc, 0x8198, 0xec0e, 0x8190, 0xec3f, 0x8188, + 0xec71, 0x8181, 0xeca3, 0x8179, 0xecd5, 0x8172, 0xed06, 0x816a, + 0xed38, 0x8163, 0xed6a, 0x815b, 0xed9b, 0x8154, 0xedcd, 0x814d, + 0xedff, 0x8146, 0xee31, 0x813f, 0xee62, 0x8138, 0xee94, 0x8131, + 0xeec6, 0x812a, 0xeef8, 0x8123, 0xef2a, 0x811d, 0xef5c, 0x8116, + 0xef8d, 0x8110, 0xefbf, 0x8109, 0xeff1, 0x8103, 0xf023, 0x80fd, + 0xf055, 0x80f6, 0xf087, 0x80f0, 0xf0b9, 0x80ea, 0xf0eb, 0x80e4, + 0xf11c, 0x80de, 0xf14e, 0x80d9, 0xf180, 0x80d3, 0xf1b2, 0x80cd, + 0xf1e4, 0x80c8, 0xf216, 0x80c2, 0xf248, 0x80bd, 0xf27a, 0x80b7, + 0xf2ac, 0x80b2, 0xf2de, 0x80ad, 0xf310, 0x80a8, 0xf342, 0x80a3, + 0xf374, 0x809e, 0xf3a6, 0x8099, 0xf3d8, 0x8094, 0xf40a, 0x808f, + 0xf43c, 0x808b, 0xf46e, 0x8086, 0xf4a0, 0x8082, 0xf4d3, 0x807d, + 0xf505, 0x8079, 0xf537, 0x8075, 0xf569, 0x8070, 0xf59b, 0x806c, + 0xf5cd, 0x8068, 0xf5ff, 0x8064, 0xf631, 0x8060, 0xf663, 0x805d, + 0xf695, 0x8059, 0xf6c8, 0x8055, 0xf6fa, 0x8052, 0xf72c, 0x804e, + 0xf75e, 0x804b, 0xf790, 0x8047, 0xf7c2, 0x8044, 0xf7f4, 0x8041, + 0xf827, 0x803e, 0xf859, 0x803b, 0xf88b, 0x8038, 0xf8bd, 0x8035, + 0xf8ef, 0x8032, 0xf922, 0x802f, 0xf954, 0x802d, 0xf986, 0x802a, + 0xf9b8, 0x8027, 0xf9ea, 0x8025, 0xfa1d, 0x8023, 0xfa4f, 0x8020, + 0xfa81, 0x801e, 0xfab3, 0x801c, 0xfae5, 0x801a, 0xfb18, 0x8018, + 0xfb4a, 0x8016, 0xfb7c, 0x8014, 0xfbae, 0x8013, 0xfbe1, 0x8011, + 0xfc13, 0x800f, 0xfc45, 0x800e, 0xfc77, 0x800c, 0xfcaa, 0x800b, + 0xfcdc, 0x800a, 0xfd0e, 0x8009, 0xfd40, 0x8008, 0xfd73, 0x8007, + 0xfda5, 0x8006, 0xfdd7, 0x8005, 0xfe09, 0x8004, 0xfe3c, 0x8003, + 0xfe6e, 0x8002, 0xfea0, 0x8002, 0xfed2, 0x8001, 0xff05, 0x8001, + 0xff37, 0x8001, 0xff69, 0x8000, 0xff9b, 0x8000, 0xffce, 0x8000, +}; + +/** + * @} end of CFFT_CIFFT group + */ + +/* +* @brief Q15 table for reciprocal +*/ +const q15_t ALIGN4 armRecipTableQ15[64] = { + 0x7F03, 0x7D13, 0x7B31, 0x795E, 0x7798, 0x75E0, + 0x7434, 0x7294, 0x70FF, 0x6F76, 0x6DF6, 0x6C82, + 0x6B16, 0x69B5, 0x685C, 0x670C, 0x65C4, 0x6484, + 0x634C, 0x621C, 0x60F3, 0x5FD0, 0x5EB5, 0x5DA0, + 0x5C91, 0x5B88, 0x5A85, 0x5988, 0x5890, 0x579E, + 0x56B0, 0x55C8, 0x54E4, 0x5405, 0x532B, 0x5255, + 0x5183, 0x50B6, 0x4FEC, 0x4F26, 0x4E64, 0x4DA6, + 0x4CEC, 0x4C34, 0x4B81, 0x4AD0, 0x4A23, 0x4978, + 0x48D1, 0x482D, 0x478C, 0x46ED, 0x4651, 0x45B8, + 0x4521, 0x448D, 0x43FC, 0x436C, 0x42DF, 0x4255, + 0x41CC, 0x4146, 0x40C2, 0x4040 +}; + +/* +* @brief Q31 table for reciprocal +*/ +const q31_t armRecipTableQ31[64] = { + 0x7F03F03F, 0x7D137420, 0x7B31E739, 0x795E9F94, 0x7798FD29, 0x75E06928, + 0x7434554D, 0x72943B4B, 0x70FF9C40, 0x6F760031, 0x6DF6F593, 0x6C8210E3, + 0x6B16EC3A, 0x69B526F6, 0x685C655F, 0x670C505D, 0x65C4952D, 0x6484E519, + 0x634CF53E, 0x621C7E4F, 0x60F33C61, 0x5FD0EEB3, 0x5EB55785, 0x5DA03BEB, + 0x5C9163A1, 0x5B8898E6, 0x5A85A85A, 0x598860DF, 0x58909373, 0x579E1318, + 0x56B0B4B8, 0x55C84F0B, 0x54E4BA80, 0x5405D124, 0x532B6E8F, 0x52556FD0, + 0x5183B35A, 0x50B618F3, 0x4FEC81A2, 0x4F26CFA2, 0x4E64E64E, 0x4DA6AA1D, + 0x4CEC008B, 0x4C34D010, 0x4B810016, 0x4AD078EF, 0x4A2323C4, 0x4978EA96, + 0x48D1B827, 0x482D77FE, 0x478C1657, 0x46ED801D, 0x4651A2E5, 0x45B86CE2, + 0x4521CCE1, 0x448DB244, 0x43FC0CFA, 0x436CCD78, 0x42DFE4B4, 0x42554426, + 0x41CCDDB6, 0x4146A3C6, 0x40C28923, 0x40408102 +}; diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_conj_f32.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_conj_f32.c new file mode 100644 index 0000000000..cdaf4c84e1 --- /dev/null +++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_conj_f32.c @@ -0,0 +1,174 @@ +/* ---------------------------------------------------------------------- +* Copyright (C) 2010 ARM Limited. All rights reserved. +* +* $Date: 15. February 2012 +* $Revision: V1.1.0 +* +* Project: CMSIS DSP Library +* Title: arm_cmplx_conj_f32.c +* +* Description: Floating-point complex conjugate. +* +* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 +* +* Version 1.1.0 2012/02/15 +* Updated with more optimizations, bug fixes and minor API changes. +* +* Version 1.0.10 2011/7/15 +* Big Endian support added and Merged M0 and M3/M4 Source code. +* +* Version 1.0.3 2010/11/29 +* Re-organized the CMSIS folders and updated documentation. +* +* Version 1.0.2 2010/11/11 +* Documentation updated. +* +* Version 1.0.1 2010/10/05 +* Production release and review comments incorporated. +* +* Version 1.0.0 2010/09/20 +* Production release and review comments incorporated. +* ---------------------------------------------------------------------------- */ +#include "arm_math.h" + +/** + * @ingroup groupCmplxMath + */ + +/** + * @defgroup cmplx_conj Complex Conjugate + * + * Conjugates the elements of a complex data vector. + * + * The pSrc points to the source data and + * pDst points to the where the result should be written. + * numSamples specifies the number of complex samples + * and the data in each array is stored in an interleaved fashion + * (real, imag, real, imag, ...). + * Each array has a total of 2*numSamples values. + * The underlying algorithm is used: + * + * 
        
+ * for(n=0; n        
+ *        
+ * There are separate functions for floating-point, Q15, and Q31 data types.        
+ */
+
+/**        
+ * @addtogroup cmplx_conj        
+ * @{        
+ */
+
+/**        
+ * @brief  Floating-point complex conjugate.        
+ * @param  *pSrc points to the input vector        
+ * @param  *pDst points to the output vector        
+ * @param  numSamples number of complex samples in each vector        
+ * @return none.        
+ */
+
+void arm_cmplx_conj_f32(
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t numSamples)
+{
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  float32_t inR1, inR2, inR3, inR4;
+  float32_t inI1, inI2, inI3, inI4;
+
+  /*loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.        
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C[0]+jC[1] = A[0]+ j (-1) A[1] */
+    /* Calculate Complex Conjugate and then store the results in the destination buffer. */
+    /* read real input samples */
+    inR1 = pSrc[0];
+    /* store real samples to destination */
+    pDst[0] = inR1;
+    inR2 = pSrc[2];
+    pDst[2] = inR2;
+    inR3 = pSrc[4];
+    pDst[4] = inR3;
+    inR4 = pSrc[6];
+    pDst[6] = inR4;
+
+    /* read imaginary input samples */
+    inI1 = pSrc[1];
+    inI2 = pSrc[3];
+
+    /* conjugate input */
+    inI1 = -inI1;
+
+    /* read imaginary input samples */
+    inI3 = pSrc[5];
+
+    /* conjugate input */
+    inI2 = -inI2;
+
+    /* read imaginary input samples */
+    inI4 = pSrc[7];
+
+    /* conjugate input */
+    inI3 = -inI3;
+
+    /* store imaginary samples to destination */
+    pDst[1] = inI1;
+    pDst[3] = inI2;
+
+    /* conjugate input */
+    inI4 = -inI4;
+
+    /* store imaginary samples to destination */
+    pDst[5] = inI3;
+
+    /* increment source pointer by 8 to process next sampels */
+    pSrc += 8u;
+
+    /* store imaginary sample to destination */
+    pDst[7] = inI4;
+
+    /* increment destination pointer by 8 to store next samples */
+    pDst += 8u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.        
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  blkCnt = numSamples;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* realOut + j (imagOut) = realIn + j (-1) imagIn */
+    /* Calculate Complex Conjugate and then store the results in the destination buffer. */
+    *pDst++ = *pSrc++;
+    *pDst++ = -*pSrc++;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**        
+ * @} end of cmplx_conj group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_conj_q15.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_conj_q15.c
new file mode 100644
index 0000000000..92905fdf49
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_conj_q15.c
@@ -0,0 +1,153 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_cmplx_conj_q15.c    
+*    
+* Description:	Q15 complex conjugate.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupCmplxMath    
+ */
+
+/**    
+ * @addtogroup cmplx_conj    
+ * @{    
+ */
+
+/**    
+ * @brief  Q15 complex conjugate.    
+ * @param  *pSrc points to the input vector    
+ * @param  *pDst points to the output vector    
+ * @param  numSamples number of complex samples in each vector    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function uses saturating arithmetic.    
+ * The Q15 value -1 (0x8000) will be saturated to the maximum allowable positive value 0x7FFF.    
+ */
+
+void arm_cmplx_conj_q15(
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t numSamples)
+{
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  uint32_t blkCnt;                               /* loop counter */
+  q31_t in1, in2, in3, in4;
+  q31_t zero = 0;
+
+  /*loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C[0]+jC[1] = A[0]+ j (-1) A[1] */
+    /* Calculate Complex Conjugate and then store the results in the destination buffer. */
+    in1 = *__SIMD32(pSrc)++;
+    in2 = *__SIMD32(pSrc)++;
+    in3 = *__SIMD32(pSrc)++;
+    in4 = *__SIMD32(pSrc)++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    in1 = __QASX(zero, in1);
+    in2 = __QASX(zero, in2);
+    in3 = __QASX(zero, in3);
+    in4 = __QASX(zero, in4);
+
+#else
+
+    in1 = __QSAX(zero, in1);
+    in2 = __QSAX(zero, in2);
+    in3 = __QSAX(zero, in3);
+    in4 = __QSAX(zero, in4);
+
+#endif //       #ifndef ARM_MATH_BIG_ENDIAN
+
+    in1 = ((uint32_t) in1 >> 16) | ((uint32_t) in1 << 16);
+    in2 = ((uint32_t) in2 >> 16) | ((uint32_t) in2 << 16);
+    in3 = ((uint32_t) in3 >> 16) | ((uint32_t) in3 << 16);
+    in4 = ((uint32_t) in4 >> 16) | ((uint32_t) in4 << 16);
+
+    *__SIMD32(pDst)++ = in1;
+    *__SIMD32(pDst)++ = in2;
+    *__SIMD32(pDst)++ = in3;
+    *__SIMD32(pDst)++ = in4;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C[0]+jC[1] = A[0]+ j (-1) A[1] */
+    /* Calculate Complex Conjugate and then store the results in the destination buffer. */
+    *pDst++ = *pSrc++;
+    *pDst++ = __SSAT(-*pSrc++, 16);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  q15_t in;
+
+  /* Run the below code for Cortex-M0 */
+
+  while(numSamples > 0u)
+  {
+    /* realOut + j (imagOut) = realIn+ j (-1) imagIn */
+    /* Calculate Complex Conjugate and then store the results in the destination buffer. */
+    *pDst++ = *pSrc++;
+    in = *pSrc++;
+    *pDst++ = (in == (q15_t) 0x8000) ? 0x7fff : -in;
+
+    /* Decrement the loop counter */
+    numSamples--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of cmplx_conj group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_conj_q31.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_conj_q31.c
new file mode 100644
index 0000000000..5f874aa690
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_conj_q31.c
@@ -0,0 +1,172 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_cmplx_conj_q31.c    
+*    
+* Description:	Q31 complex conjugate.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+#include "arm_math.h"
+
+/**        
+ * @ingroup groupCmplxMath        
+ */
+
+/**        
+ * @addtogroup cmplx_conj        
+ * @{        
+ */
+
+/**        
+ * @brief  Q31 complex conjugate.        
+ * @param  *pSrc points to the input vector        
+ * @param  *pDst points to the output vector        
+ * @param  numSamples number of complex samples in each vector        
+ * @return none.        
+ *        
+ * Scaling and Overflow Behavior:        
+ * \par        
+ * The function uses saturating arithmetic.        
+ * The Q31 value -1 (0x80000000) will be saturated to the maximum allowable positive value 0x7FFFFFFF.        
+ */
+
+void arm_cmplx_conj_q31(
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t numSamples)
+{
+  uint32_t blkCnt;                               /* loop counter */
+  q31_t in;                                      /* Input value */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q31_t inR1, inR2, inR3, inR4;                  /* Temporary real variables */
+  q31_t inI1, inI2, inI3, inI4;                  /* Temporary imaginary variables */
+
+  /*loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.        
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C[0]+jC[1] = A[0]+ j (-1) A[1] */
+    /* Calculate Complex Conjugate and then store the results in the destination buffer. */
+    /* Saturated to 0x7fffffff if the input is -1(0x80000000) */
+    /* read real input sample */
+    inR1 = pSrc[0];
+    /* store real input sample */
+    pDst[0] = inR1;
+
+    /* read imaginary input sample */
+    inI1 = pSrc[1];
+
+    /* read real input sample */
+    inR2 = pSrc[2];
+    /* store real input sample */
+    pDst[2] = inR2;
+
+    /* read imaginary input sample */
+    inI2 = pSrc[3];
+
+    /* negate imaginary input sample */
+    inI1 = __QSUB(0, inI1);
+
+    /* read real input sample */
+    inR3 = pSrc[4];
+    /* store real input sample */
+    pDst[4] = inR3;
+
+    /* read imaginary input sample */
+    inI3 = pSrc[5];
+
+    /* negate imaginary input sample */
+    inI2 = __QSUB(0, inI2);
+
+    /* read real input sample */
+    inR4 = pSrc[6];
+    /* store real input sample */
+    pDst[6] = inR4;
+
+    /* negate imaginary input sample */
+    inI3 = __QSUB(0, inI3);
+
+    /* store imaginary input sample */
+    inI4 = pSrc[7];
+
+    /* store imaginary input samples */
+    pDst[1] = inI1;
+
+    /* negate imaginary input sample */
+    inI4 = __QSUB(0, inI4);
+
+    /* store imaginary input samples */
+    pDst[3] = inI2;
+
+    /* increment source pointer by 8 to proecess next samples */
+    pSrc += 8u;
+
+    /* store imaginary input samples */
+    pDst[5] = inI3;
+    pDst[7] = inI4;
+
+    /* increment destination pointer by 8 to process next samples */
+    pDst += 8u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.        
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  blkCnt = numSamples;
+
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C[0]+jC[1] = A[0]+ j (-1) A[1] */
+    /* Calculate Complex Conjugate and then store the results in the destination buffer. */
+    /* Saturated to 0x7fffffff if the input is -1(0x80000000) */
+    *pDst++ = *pSrc++;
+    in = *pSrc++;
+    *pDst++ = (in == 0x80000000) ? 0x7fffffff : -in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**        
+ * @} end of cmplx_conj group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_dot_prod_f32.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_dot_prod_f32.c
new file mode 100644
index 0000000000..200b309aae
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_dot_prod_f32.c
@@ -0,0 +1,160 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_cmplx_dot_prod_f32.c    
+*    
+* Description:	Floating-point complex dot product    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupCmplxMath    
+ */
+
+/**    
+ * @defgroup cmplx_dot_prod Complex Dot Product    
+ *    
+ * Computes the dot product of two complex vectors.    
+ * The vectors are multiplied element-by-element and then summed.    
+ *   
+ * The pSrcA points to the first complex input vector and    
+ * pSrcB points to the second complex input vector.    
+ * numSamples specifies the number of complex samples    
+ * and the data in each array is stored in an interleaved fashion    
+ * (real, imag, real, imag, ...).    
+ * Each array has a total of 2*numSamples values.    
+ *    
+ * The underlying algorithm is used:    
+ * 
    
+ * realResult=0;    
+ * imagResult=0;    
+ * for(n=0; n    
+ *    
+ * There are separate functions for floating-point, Q15, and Q31 data types.    
+ */
+
+/**    
+ * @addtogroup cmplx_dot_prod    
+ * @{    
+ */
+
+/**    
+ * @brief  Floating-point complex dot product    
+ * @param  *pSrcA points to the first input vector    
+ * @param  *pSrcB points to the second input vector    
+ * @param  numSamples number of complex samples in each vector    
+ * @param  *realResult real part of the result returned here    
+ * @param  *imagResult imaginary part of the result returned here    
+ * @return none.    
+ */
+
+void arm_cmplx_dot_prod_f32(
+  float32_t * pSrcA,
+  float32_t * pSrcB,
+  uint32_t numSamples,
+  float32_t * realResult,
+  float32_t * imagResult)
+{
+  float32_t real_sum = 0.0f, imag_sum = 0.0f;    /* Temporary result storage */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  uint32_t blkCnt;                               /* loop counter */
+
+  /*loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* CReal = A[0]* B[0] + A[2]* B[2] + A[4]* B[4] + .....+ A[numSamples-2]* B[numSamples-2] */
+    real_sum += (*pSrcA++) * (*pSrcB++);
+    /* CImag = A[1]* B[1] + A[3]* B[3] + A[5]* B[5] + .....+ A[numSamples-1]* B[numSamples-1] */
+    imag_sum += (*pSrcA++) * (*pSrcB++);
+
+    real_sum += (*pSrcA++) * (*pSrcB++);
+    imag_sum += (*pSrcA++) * (*pSrcB++);
+
+    real_sum += (*pSrcA++) * (*pSrcB++);
+    imag_sum += (*pSrcA++) * (*pSrcB++);
+
+    real_sum += (*pSrcA++) * (*pSrcB++);
+    imag_sum += (*pSrcA++) * (*pSrcB++);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* CReal = A[0]* B[0] + A[2]* B[2] + A[4]* B[4] + .....+ A[numSamples-2]* B[numSamples-2] */
+    real_sum += (*pSrcA++) * (*pSrcB++);
+    /* CImag = A[1]* B[1] + A[3]* B[3] + A[5]* B[5] + .....+ A[numSamples-1]* B[numSamples-1] */
+    imag_sum += (*pSrcA++) * (*pSrcB++);
+
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  while(numSamples > 0u)
+  {
+    /* CReal = A[0]* B[0] + A[2]* B[2] + A[4]* B[4] + .....+ A[numSamples-2]* B[numSamples-2] */
+    real_sum += (*pSrcA++) * (*pSrcB++);
+    /* CImag = A[1]* B[1] + A[3]* B[3] + A[5]* B[5] + .....+ A[numSamples-1]* B[numSamples-1] */
+    imag_sum += (*pSrcA++) * (*pSrcB++);
+
+
+    /* Decrement the loop counter */
+    numSamples--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  /* Store the real and imaginary results in the destination buffers */
+  *realResult = real_sum;
+  *imagResult = imag_sum;
+}
+
+/**    
+ * @} end of cmplx_dot_prod group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_dot_prod_q15.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_dot_prod_q15.c
new file mode 100644
index 0000000000..db7fbae527
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_dot_prod_q15.c
@@ -0,0 +1,144 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_cmplx_dot_prod_q15.c    
+*    
+* Description:	Processing function for the Q15 Complex Dot product    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupCmplxMath    
+ */
+
+/**    
+ * @addtogroup cmplx_dot_prod    
+ * @{    
+ */
+
+/**    
+ * @brief  Q15 complex dot product    
+ * @param  *pSrcA points to the first input vector    
+ * @param  *pSrcB points to the second input vector    
+ * @param  numSamples number of complex samples in each vector    
+ * @param  *realResult real part of the result returned here    
+ * @param  *imagResult imaginary part of the result returned here    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using an internal 64-bit accumulator.    
+ * The intermediate 1.15 by 1.15 multiplications are performed with full precision and yield a 2.30 result.    
+ * These are accumulated in a 64-bit accumulator with 34.30 precision.    
+ * As a final step, the accumulators are converted to 8.24 format.    
+ * The return results realResult and imagResult are in 8.24 format.    
+ */
+
+void arm_cmplx_dot_prod_q15(
+  q15_t * pSrcA,
+  q15_t * pSrcB,
+  uint32_t numSamples,
+  q31_t * realResult,
+  q31_t * imagResult)
+{
+  q63_t real_sum = 0, imag_sum = 0;              /* Temporary result storage */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  uint32_t blkCnt;                               /* loop counter */
+
+
+  /*loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* CReal = A[0]* B[0] + A[2]* B[2] + A[4]* B[4] + .....+ A[numSamples-2]* B[numSamples-2] */
+    real_sum += ((q31_t) * pSrcA++ * *pSrcB++);
+
+    /* CImag = A[1]* B[1] + A[3]* B[3] + A[5]* B[5] + .....+ A[numSamples-1]* B[numSamples-1] */
+    imag_sum += ((q31_t) * pSrcA++ * *pSrcB++);
+
+    real_sum += ((q31_t) * pSrcA++ * *pSrcB++);
+    imag_sum += ((q31_t) * pSrcA++ * *pSrcB++);
+
+    real_sum += ((q31_t) * pSrcA++ * *pSrcB++);
+    imag_sum += ((q31_t) * pSrcA++ * *pSrcB++);
+
+    real_sum += ((q31_t) * pSrcA++ * *pSrcB++);
+    imag_sum += ((q31_t) * pSrcA++ * *pSrcB++);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* CReal = A[0]* B[0] + A[2]* B[2] + A[4]* B[4] + .....+ A[numSamples-2]* B[numSamples-2] */
+    real_sum += ((q31_t) * pSrcA++ * *pSrcB++);
+    /* CImag = A[1]* B[1] + A[3]* B[3] + A[5]* B[5] + .....+ A[numSamples-1]* B[numSamples-1] */
+    imag_sum += ((q31_t) * pSrcA++ * *pSrcB++);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  while(numSamples > 0u)
+  {
+    /* CReal = A[0]* B[0] + A[2]* B[2] + A[4]* B[4] + .....+ A[numSamples-2]* B[numSamples-2] */
+    real_sum += ((q31_t) * pSrcA++ * *pSrcB++);
+    /* CImag = A[1]* B[1] + A[3]* B[3] + A[5]* B[5] + .....+ A[numSamples-1]* B[numSamples-1] */
+    imag_sum += ((q31_t) * pSrcA++ * *pSrcB++);
+
+    /* Decrement the loop counter */
+    numSamples--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  /* Store the real and imaginary results in 8.24 format  */
+  /* Convert real data in 34.30 to 8.24 by 6 right shifts */
+  *realResult = (q31_t) (real_sum) >> 6;
+  /* Convert imaginary data in 34.30 to 8.24 by 6 right shifts */
+  *imagResult = (q31_t) (imag_sum) >> 6;
+}
+
+/**    
+ * @} end of cmplx_dot_prod group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_dot_prod_q31.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_dot_prod_q31.c
new file mode 100644
index 0000000000..1acc49dc2c
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_dot_prod_q31.c
@@ -0,0 +1,145 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_cmplx_dot_prod_q31.c    
+*    
+* Description:	Q31 complex dot product    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupCmplxMath    
+ */
+
+/**    
+ * @addtogroup cmplx_dot_prod    
+ * @{    
+ */
+
+/**    
+ * @brief  Q31 complex dot product    
+ * @param  *pSrcA points to the first input vector    
+ * @param  *pSrcB points to the second input vector    
+ * @param  numSamples number of complex samples in each vector    
+ * @param  *realResult real part of the result returned here    
+ * @param  *imagResult imaginary part of the result returned here    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using an internal 64-bit accumulator.    
+ * The intermediate 1.31 by 1.31 multiplications are performed with 64-bit precision and then shifted to 16.48 format.    
+ * The internal real and imaginary accumulators are in 16.48 format and provide 15 guard bits.    
+ * Additions are nonsaturating and no overflow will occur as long as numSamples is less than 32768.    
+ * The return results realResult and imagResult are in 16.48 format.    
+ * Input down scaling is not required.    
+ */
+
+void arm_cmplx_dot_prod_q31(
+  q31_t * pSrcA,
+  q31_t * pSrcB,
+  uint32_t numSamples,
+  q63_t * realResult,
+  q63_t * imagResult)
+{
+  q63_t real_sum = 0, imag_sum = 0;              /* Temporary result storage */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  uint32_t blkCnt;                               /* loop counter */
+
+
+  /*loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* CReal = A[0]* B[0] + A[2]* B[2] + A[4]* B[4] + .....+ A[numSamples-2]* B[numSamples-2] */
+    /* Convert real data in 2.62 to 16.48 by 14 right shifts */
+    real_sum += (q63_t) * pSrcA++ * (*pSrcB++) >> 14;
+    /* CImag = A[1]* B[1] + A[3]* B[3] + A[5]* B[5] + .....+ A[numSamples-1]* B[numSamples-1] */
+    /* Convert imag data in 2.62 to 16.48 by 14 right shifts */
+    imag_sum += (q63_t) * pSrcA++ * (*pSrcB++) >> 14;
+
+    real_sum += (q63_t) * pSrcA++ * (*pSrcB++) >> 14;
+    imag_sum += (q63_t) * pSrcA++ * (*pSrcB++) >> 14;
+
+    real_sum += (q63_t) * pSrcA++ * (*pSrcB++) >> 14;
+    imag_sum += (q63_t) * pSrcA++ * (*pSrcB++) >> 14;
+
+    real_sum += (q63_t) * pSrcA++ * (*pSrcB++) >> 14;
+    imag_sum += (q63_t) * pSrcA++ * (*pSrcB++) >> 14;
+
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples  is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* CReal = A[0]* B[0] + A[2]* B[2] + A[4]* B[4] + .....+ A[numSamples-2]* B[numSamples-2] */
+    real_sum += (q63_t) * pSrcA++ * (*pSrcB++) >> 14;
+    /* CImag = A[1]* B[1] + A[3]* B[3] + A[5]* B[5] + .....+ A[numSamples-1]* B[numSamples-1] */
+    imag_sum += (q63_t) * pSrcA++ * (*pSrcB++) >> 14;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  while(numSamples > 0u)
+  {
+    /* outReal = realA[0]* realB[0] + realA[2]* realB[2] + realA[4]* realB[4] + .....+ realA[numSamples-2]* realB[numSamples-2] */
+    real_sum += (q63_t) * pSrcA++ * (*pSrcB++) >> 14;
+    /* outImag = imagA[1]* imagB[1] + imagA[3]* imagB[3] + imagA[5]* imagB[5] + .....+ imagA[numSamples-1]* imagB[numSamples-1] */
+    imag_sum += (q63_t) * pSrcA++ * (*pSrcB++) >> 14;
+
+    /* Decrement the loop counter */
+    numSamples--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  /* Store the real and imaginary results in 16.48 format  */
+  *realResult = real_sum;
+  *imagResult = imag_sum;
+}
+
+/**    
+ * @} end of cmplx_dot_prod group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_f32.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_f32.c
new file mode 100644
index 0000000000..043e002a84
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_f32.c
@@ -0,0 +1,157 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_cmplx_mag_f32.c    
+*    
+* Description:	Floating-point complex magnitude.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupCmplxMath    
+ */
+
+/**    
+ * @defgroup cmplx_mag Complex Magnitude    
+ *    
+ * Computes the magnitude of the elements of a complex data vector.    
+ *   
+ * The pSrc points to the source data and    
+ * pDst points to the where the result should be written.    
+ * numSamples specifies the number of complex samples    
+ * in the input array and the data is stored in an interleaved fashion    
+ * (real, imag, real, imag, ...).    
+ * The input array has a total of 2*numSamples values;    
+ * the output array has a total of numSamples values.    
+ * The underlying algorithm is used:    
+ *    
+ * 
    
+ * for(n=0; n    
+ *    
+ * There are separate functions for floating-point, Q15, and Q31 data types.    
+ */
+
+/**    
+ * @addtogroup cmplx_mag    
+ * @{    
+ */
+/**    
+ * @brief Floating-point complex magnitude.    
+ * @param[in]       *pSrc points to complex input buffer    
+ * @param[out]      *pDst points to real output buffer    
+ * @param[in]       numSamples number of complex samples in the input vector    
+ * @return none.    
+ *    
+ */
+
+
+void arm_cmplx_mag_f32(
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t numSamples)
+{
+  float32_t realIn, imagIn;                      /* Temporary variables to hold input values */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  uint32_t blkCnt;                               /* loop counter */
+
+  /*loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+
+    /* C[0] = sqrt(A[0] * A[0] + A[1] * A[1]) */
+    realIn = *pSrc++;
+    imagIn = *pSrc++;
+    /* store the result in the destination buffer. */
+    arm_sqrt_f32((realIn * realIn) + (imagIn * imagIn), pDst++);
+
+    realIn = *pSrc++;
+    imagIn = *pSrc++;
+    arm_sqrt_f32((realIn * realIn) + (imagIn * imagIn), pDst++);
+
+    realIn = *pSrc++;
+    imagIn = *pSrc++;
+    arm_sqrt_f32((realIn * realIn) + (imagIn * imagIn), pDst++);
+
+    realIn = *pSrc++;
+    imagIn = *pSrc++;
+    arm_sqrt_f32((realIn * realIn) + (imagIn * imagIn), pDst++);
+
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C[0] = sqrt(A[0] * A[0] + A[1] * A[1]) */
+    realIn = *pSrc++;
+    imagIn = *pSrc++;
+    /* store the result in the destination buffer. */
+    arm_sqrt_f32((realIn * realIn) + (imagIn * imagIn), pDst++);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  while(numSamples > 0u)
+  {
+    /* out = sqrt((real * real) + (imag * imag)) */
+    realIn = *pSrc++;
+    imagIn = *pSrc++;
+    /* store the result in the destination buffer. */
+    arm_sqrt_f32((realIn * realIn) + (imagIn * imagIn), pDst++);
+
+    /* Decrement the loop counter */
+    numSamples--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of cmplx_mag group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_q15.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_q15.c
new file mode 100644
index 0000000000..13b862b5a2
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_q15.c
@@ -0,0 +1,145 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_cmplx_mag_q15.c    
+*    
+* Description:	Q15 complex magnitude.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupCmplxMath    
+ */
+
+/**    
+ * @addtogroup cmplx_mag    
+ * @{    
+ */
+
+
+/**    
+ * @brief  Q15 complex magnitude    
+ * @param  *pSrc points to the complex input vector    
+ * @param  *pDst points to the real output vector    
+ * @param  numSamples number of complex samples in the input vector    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function implements 1.15 by 1.15 multiplications and finally output is converted into 2.14 format.    
+ */
+
+void arm_cmplx_mag_q15(
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t numSamples)
+{
+  q31_t acc0, acc1;                              /* Accumulators */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  uint32_t blkCnt;                               /* loop counter */
+  q31_t in1, in2, in3, in4;
+  q31_t acc2, acc3;
+
+
+  /*loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+
+    /* C[0] = sqrt(A[0] * A[0] + A[1] * A[1]) */
+    in1 = *__SIMD32(pSrc)++;
+    in2 = *__SIMD32(pSrc)++;
+    in3 = *__SIMD32(pSrc)++;
+    in4 = *__SIMD32(pSrc)++;
+
+    acc0 = __SMUAD(in1, in1);
+    acc1 = __SMUAD(in2, in2);
+    acc2 = __SMUAD(in3, in3);
+    acc3 = __SMUAD(in4, in4);
+
+    /* store the result in 2.14 format in the destination buffer. */
+    arm_sqrt_q15((q15_t) ((acc0) >> 17), pDst++);
+    arm_sqrt_q15((q15_t) ((acc1) >> 17), pDst++);
+    arm_sqrt_q15((q15_t) ((acc2) >> 17), pDst++);
+    arm_sqrt_q15((q15_t) ((acc3) >> 17), pDst++);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C[0] = sqrt(A[0] * A[0] + A[1] * A[1]) */
+    in1 = *__SIMD32(pSrc)++;
+    acc0 = __SMUAD(in1, in1);
+
+    /* store the result in 2.14 format in the destination buffer. */
+    arm_sqrt_q15((q15_t) (acc0 >> 17), pDst++);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  q15_t real, imag;                              /* Temporary variables to hold input values */
+
+  while(numSamples > 0u)
+  {
+    /* out = sqrt(real * real + imag * imag) */
+    real = *pSrc++;
+    imag = *pSrc++;
+
+    acc0 = (real * real);
+    acc1 = (imag * imag);
+
+    /* store the result in 2.14 format in the destination buffer. */
+    arm_sqrt_q15((q15_t) (((q63_t) acc0 + acc1) >> 17), pDst++);
+
+    /* Decrement the loop counter */
+    numSamples--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of cmplx_mag group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_q31.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_q31.c
new file mode 100644
index 0000000000..bf1af75e6b
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_q31.c
@@ -0,0 +1,177 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_cmplx_mag_q31.c    
+*    
+* Description:	Q31 complex magnitude    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**        
+ * @ingroup groupCmplxMath        
+ */
+
+/**        
+ * @addtogroup cmplx_mag        
+ * @{        
+ */
+
+/**        
+ * @brief  Q31 complex magnitude        
+ * @param  *pSrc points to the complex input vector        
+ * @param  *pDst points to the real output vector        
+ * @param  numSamples number of complex samples in the input vector        
+ * @return none.        
+ *        
+ * Scaling and Overflow Behavior:        
+ * \par        
+ * The function implements 1.31 by 1.31 multiplications and finally output is converted into 2.30 format.        
+ * Input down scaling is not required.        
+ */
+
+void arm_cmplx_mag_q31(
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t numSamples)
+{
+  q31_t real, imag;                              /* Temporary variables to hold input values */
+  q31_t acc0, acc1;                              /* Accumulators */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q31_t real1, real2, imag1, imag2;              /* Temporary variables to hold input values */
+  q31_t out1, out2, out3, out4;                  /* Accumulators */
+  q63_t mul1, mul2, mul3, mul4;                  /* Temporary variables */
+
+
+  /*loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.        
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* read complex input from source buffer */
+    real1 = pSrc[0];
+    imag1 = pSrc[1];
+    real2 = pSrc[2];
+    imag2 = pSrc[3];
+
+    /* calculate power of input values */
+    mul1 = (q63_t) real1 *real1;
+    mul2 = (q63_t) imag1 *imag1;
+    mul3 = (q63_t) real2 *real2;
+    mul4 = (q63_t) imag2 *imag2;
+
+    /* get the result to 3.29 format */
+    out1 = (q31_t) (mul1 >> 33);
+    out2 = (q31_t) (mul2 >> 33);
+    out3 = (q31_t) (mul3 >> 33);
+    out4 = (q31_t) (mul4 >> 33);
+
+    /* add real and imaginary accumulators */
+    out1 = out1 + out2;
+    out3 = out3 + out4;
+
+    /* read complex input from source buffer */
+    real1 = pSrc[4];
+    imag1 = pSrc[5];
+    real2 = pSrc[6];
+    imag2 = pSrc[7];
+
+    /* calculate square root */
+    arm_sqrt_q31(out1, &pDst[0]);
+
+    /* calculate power of input values */
+    mul1 = (q63_t) real1 *real1;
+
+    /* calculate square root */
+    arm_sqrt_q31(out3, &pDst[1]);
+
+    /* calculate power of input values */
+    mul2 = (q63_t) imag1 *imag1;
+    mul3 = (q63_t) real2 *real2;
+    mul4 = (q63_t) imag2 *imag2;
+
+    /* get the result to 3.29 format */
+    out1 = (q31_t) (mul1 >> 33);
+    out2 = (q31_t) (mul2 >> 33);
+    out3 = (q31_t) (mul3 >> 33);
+    out4 = (q31_t) (mul4 >> 33);
+
+    /* add real and imaginary accumulators */
+    out1 = out1 + out2;
+    out3 = out3 + out4;
+
+    /* calculate square root */
+    arm_sqrt_q31(out1, &pDst[2]);
+
+    /* increment destination by 8 to process next samples */
+    pSrc += 8u;
+
+    /* calculate square root */
+    arm_sqrt_q31(out3, &pDst[3]);
+
+    /* increment destination by 4 to process next samples */
+    pDst += 4u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.        
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  blkCnt = numSamples;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C[0] = sqrt(A[0] * A[0] + A[1] * A[1]) */
+    real = *pSrc++;
+    imag = *pSrc++;
+    acc0 = (q31_t) (((q63_t) real * real) >> 33);
+    acc1 = (q31_t) (((q63_t) imag * imag) >> 33);
+    /* store the result in 2.30 format in the destination buffer. */
+    arm_sqrt_q31(acc0 + acc1, pDst++);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**        
+ * @} end of cmplx_mag group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_f32.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_f32.c
new file mode 100644
index 0000000000..c49d006a19
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_f32.c
@@ -0,0 +1,207 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_cmplx_mag_squared_f32.c    
+*    
+* Description:	Floating-point complex magnitude squared.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+#include "arm_math.h"
+
+/**        
+ * @ingroup groupCmplxMath        
+ */
+
+/**        
+ * @defgroup cmplx_mag_squared Complex Magnitude Squared        
+ *        
+ * Computes the magnitude squared of the elements of a complex data vector.        
+ *       
+ * The pSrc points to the source data and        
+ * pDst points to the where the result should be written.        
+ * numSamples specifies the number of complex samples        
+ * in the input array and the data is stored in an interleaved fashion        
+ * (real, imag, real, imag, ...).        
+ * The input array has a total of 2*numSamples values;        
+ * the output array has a total of numSamples values.        
+ *        
+ * The underlying algorithm is used:        
+ *        
+ * 
        
+ * for(n=0; n        
+ *        
+ * There are separate functions for floating-point, Q15, and Q31 data types.        
+ */
+
+/**        
+ * @addtogroup cmplx_mag_squared        
+ * @{        
+ */
+
+
+/**        
+ * @brief  Floating-point complex magnitude squared        
+ * @param[in]  *pSrc points to the complex input vector        
+ * @param[out]  *pDst points to the real output vector        
+ * @param[in]  numSamples number of complex samples in the input vector        
+ * @return none.        
+ */
+
+void arm_cmplx_mag_squared_f32(
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t numSamples)
+{
+  float32_t real, imag;                          /* Temporary variables to store real and imaginary values */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+  float32_t real1, real2, real3, real4;          /* Temporary variables to hold real values */
+  float32_t imag1, imag2, imag3, imag4;          /* Temporary variables to hold imaginary values */
+  float32_t mul1, mul2, mul3, mul4;              /* Temporary variables */
+  float32_t mul5, mul6, mul7, mul8;              /* Temporary variables */
+  float32_t out1, out2, out3, out4;              /* Temporary variables to hold output values */
+
+  /*loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.        
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C[0] = (A[0] * A[0] + A[1] * A[1]) */
+    /* read real input sample from source buffer */
+    real1 = pSrc[0];
+    /* read imaginary input sample from source buffer */
+    imag1 = pSrc[1];
+
+    /* calculate power of real value */
+    mul1 = real1 * real1;
+
+    /* read real input sample from source buffer */
+    real2 = pSrc[2];
+
+    /* calculate power of imaginary value */
+    mul2 = imag1 * imag1;
+
+    /* read imaginary input sample from source buffer */
+    imag2 = pSrc[3];
+
+    /* calculate power of real value */
+    mul3 = real2 * real2;
+
+    /* read real input sample from source buffer */
+    real3 = pSrc[4];
+
+    /* calculate power of imaginary value */
+    mul4 = imag2 * imag2;
+
+    /* read imaginary input sample from source buffer */
+    imag3 = pSrc[5];
+
+    /* calculate power of real value */
+    mul5 = real3 * real3;
+    /* calculate power of imaginary value */
+    mul6 = imag3 * imag3;
+
+    /* read real input sample from source buffer */
+    real4 = pSrc[6];
+
+    /* accumulate real and imaginary powers */
+    out1 = mul1 + mul2;
+
+    /* read imaginary input sample from source buffer */
+    imag4 = pSrc[7];
+
+    /* accumulate real and imaginary powers */
+    out2 = mul3 + mul4;
+
+    /* calculate power of real value */
+    mul7 = real4 * real4;
+    /* calculate power of imaginary value */
+    mul8 = imag4 * imag4;
+
+    /* store output to destination */
+    pDst[0] = out1;
+
+    /* accumulate real and imaginary powers */
+    out3 = mul5 + mul6;
+
+    /* store output to destination */
+    pDst[1] = out2;
+
+    /* accumulate real and imaginary powers */
+    out4 = mul7 + mul8;
+
+    /* store output to destination */
+    pDst[2] = out3;
+
+    /* increment destination pointer by 8 to process next samples */
+    pSrc += 8u;
+
+    /* store output to destination */
+    pDst[3] = out4;
+
+    /* increment destination pointer by 4 to process next samples */
+    pDst += 4u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.        
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  blkCnt = numSamples;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C[0] = (A[0] * A[0] + A[1] * A[1]) */
+    real = *pSrc++;
+    imag = *pSrc++;
+
+    /* out = (real * real) + (imag * imag) */
+    /* store the result in the destination buffer. */
+    *pDst++ = (real * real) + (imag * imag);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**        
+ * @} end of cmplx_mag_squared group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_q15.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_q15.c
new file mode 100644
index 0000000000..42694058ae
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_q15.c
@@ -0,0 +1,140 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_cmplx_mag_squared_q15.c    
+*    
+* Description:	Q15 complex magnitude squared.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupCmplxMath    
+ */
+
+/**    
+ * @addtogroup cmplx_mag_squared    
+ * @{    
+ */
+
+/**    
+ * @brief  Q15 complex magnitude squared    
+ * @param  *pSrc points to the complex input vector    
+ * @param  *pDst points to the real output vector    
+ * @param  numSamples number of complex samples in the input vector    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function implements 1.15 by 1.15 multiplications and finally output is converted into 3.13 format.    
+ */
+
+void arm_cmplx_mag_squared_q15(
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t numSamples)
+{
+  q31_t acc0, acc1;                              /* Accumulators */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  uint32_t blkCnt;                               /* loop counter */
+  q31_t in1, in2, in3, in4;
+  q31_t acc2, acc3;
+
+  /*loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C[0] = (A[0] * A[0] + A[1] * A[1]) */
+    in1 = *__SIMD32(pSrc)++;
+    in2 = *__SIMD32(pSrc)++;
+    in3 = *__SIMD32(pSrc)++;
+    in4 = *__SIMD32(pSrc)++;
+
+    acc0 = __SMUAD(in1, in1);
+    acc1 = __SMUAD(in2, in2);
+    acc2 = __SMUAD(in3, in3);
+    acc3 = __SMUAD(in4, in4);
+
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ = (q15_t) (acc0 >> 17);
+    *pDst++ = (q15_t) (acc1 >> 17);
+    *pDst++ = (q15_t) (acc2 >> 17);
+    *pDst++ = (q15_t) (acc3 >> 17);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C[0] = (A[0] * A[0] + A[1] * A[1]) */
+    in1 = *__SIMD32(pSrc)++;
+    acc0 = __SMUAD(in1, in1);
+
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ = (q15_t) (acc0 >> 17);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  q15_t real, imag;                              /* Temporary variables to store real and imaginary values */
+
+  while(numSamples > 0u)
+  {
+    /* out = ((real * real) + (imag * imag)) */
+    real = *pSrc++;
+    imag = *pSrc++;
+    acc0 = (real * real);
+    acc1 = (imag * imag);
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ = (q15_t) (((q63_t) acc0 + acc1) >> 17);
+
+    /* Decrement the loop counter */
+    numSamples--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of cmplx_mag_squared group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_q31.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_q31.c
new file mode 100644
index 0000000000..7670c88497
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_q31.c
@@ -0,0 +1,153 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_cmplx_mag_squared_q31.c    
+*    
+* Description:	Q31 complex magnitude squared.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupCmplxMath    
+ */
+
+/**    
+ * @addtogroup cmplx_mag_squared    
+ * @{    
+ */
+
+
+/**    
+ * @brief  Q31 complex magnitude squared    
+ * @param  *pSrc points to the complex input vector    
+ * @param  *pDst points to the real output vector    
+ * @param  numSamples number of complex samples in the input vector    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function implements 1.31 by 1.31 multiplications and finally output is converted into 3.29 format.    
+ * Input down scaling is not required.    
+ */
+
+void arm_cmplx_mag_squared_q31(
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t numSamples)
+{
+  q31_t real, imag;                              /* Temporary variables to store real and imaginary values */
+  q31_t acc0, acc1;                              /* Accumulators */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  uint32_t blkCnt;                               /* loop counter */
+
+  /* loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C[0] = (A[0] * A[0] + A[1] * A[1]) */
+    real = *pSrc++;
+    imag = *pSrc++;
+    acc0 = (q31_t) (((q63_t) real * real) >> 33);
+    acc1 = (q31_t) (((q63_t) imag * imag) >> 33);
+    /* store the result in 3.29 format in the destination buffer. */
+    *pDst++ = acc0 + acc1;
+
+    real = *pSrc++;
+    imag = *pSrc++;
+    acc0 = (q31_t) (((q63_t) real * real) >> 33);
+    acc1 = (q31_t) (((q63_t) imag * imag) >> 33);
+    /* store the result in 3.29 format in the destination buffer. */
+    *pDst++ = acc0 + acc1;
+
+    real = *pSrc++;
+    imag = *pSrc++;
+    acc0 = (q31_t) (((q63_t) real * real) >> 33);
+    acc1 = (q31_t) (((q63_t) imag * imag) >> 33);
+    /* store the result in 3.29 format in the destination buffer. */
+    *pDst++ = acc0 + acc1;
+
+    real = *pSrc++;
+    imag = *pSrc++;
+    acc0 = (q31_t) (((q63_t) real * real) >> 33);
+    acc1 = (q31_t) (((q63_t) imag * imag) >> 33);
+    /* store the result in 3.29 format in the destination buffer. */
+    *pDst++ = acc0 + acc1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C[0] = (A[0] * A[0] + A[1] * A[1]) */
+    real = *pSrc++;
+    imag = *pSrc++;
+    acc0 = (q31_t) (((q63_t) real * real) >> 33);
+    acc1 = (q31_t) (((q63_t) imag * imag) >> 33);
+    /* store the result in 3.29 format in the destination buffer. */
+    *pDst++ = acc0 + acc1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  while(numSamples > 0u)
+  {
+    /* out = ((real * real) + (imag * imag)) */
+    real = *pSrc++;
+    imag = *pSrc++;
+    acc0 = (q31_t) (((q63_t) real * real) >> 33);
+    acc1 = (q31_t) (((q63_t) imag * imag) >> 33);
+    /* store the result in 3.29 format in the destination buffer. */
+    *pDst++ = acc0 + acc1;
+
+    /* Decrement the loop counter */
+    numSamples--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of cmplx_mag_squared group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_cmplx_f32.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_cmplx_f32.c
new file mode 100644
index 0000000000..15109f231c
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_cmplx_f32.c
@@ -0,0 +1,199 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_cmplx_mult_cmplx_f32.c    
+*    
+* Description:	Floating-point complex-by-complex multiplication    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+#include "arm_math.h"
+
+/**        
+ * @ingroup groupCmplxMath        
+ */
+
+/**        
+ * @defgroup CmplxByCmplxMult Complex-by-Complex Multiplication        
+ *        
+ * Multiplies a complex vector by another complex vector and generates a complex result.        
+ * The data in the complex arrays is stored in an interleaved fashion        
+ * (real, imag, real, imag, ...).        
+ * The parameter numSamples represents the number of complex        
+ * samples processed.  The complex arrays have a total of 2*numSamples        
+ * real values.        
+ *        
+ * The underlying algorithm is used:        
+ *        
+ * 
        
+ * for(n=0; n        
+ *        
+ * There are separate functions for floating-point, Q15, and Q31 data types.        
+ */
+
+/**        
+ * @addtogroup CmplxByCmplxMult        
+ * @{        
+ */
+
+
+/**        
+ * @brief  Floating-point complex-by-complex multiplication        
+ * @param[in]  *pSrcA points to the first input vector        
+ * @param[in]  *pSrcB points to the second input vector        
+ * @param[out]  *pDst  points to the output vector        
+ * @param[in]  numSamples number of complex samples in each vector        
+ * @return none.        
+ */
+
+void arm_cmplx_mult_cmplx_f32(
+  float32_t * pSrcA,
+  float32_t * pSrcB,
+  float32_t * pDst,
+  uint32_t numSamples)
+{
+  float32_t a1, b1, c1, d1;                      /* Temporary variables to store real and imaginary values */
+  uint32_t blkCnt;                               /* loop counters */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  float32_t a2, b2, c2, d2;                      /* Temporary variables to store real and imaginary values */
+  float32_t acc1, acc2, acc3, acc4;
+
+
+  /* loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.        
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[2 * i] - A[2 * i + 1] * B[2 * i + 1].  */
+    /* C[2 * i + 1] = A[2 * i] * B[2 * i + 1] + A[2 * i + 1] * B[2 * i].  */
+    a1 = *pSrcA;                /* A[2 * i] */
+    c1 = *pSrcB;                /* B[2 * i] */
+
+    b1 = *(pSrcA + 1);          /* A[2 * i + 1] */
+    acc1 = a1 * c1;             /* acc1 = A[2 * i] * B[2 * i] */
+
+    a2 = *(pSrcA + 2);          /* A[2 * i + 2] */
+    acc2 = (b1 * c1);           /* acc2 = A[2 * i + 1] * B[2 * i] */
+
+    d1 = *(pSrcB + 1);          /* B[2 * i + 1] */
+    c2 = *(pSrcB + 2);          /* B[2 * i + 2] */
+    acc1 -= b1 * d1;            /* acc1 =      A[2 * i] * B[2 * i] - A[2 * i + 1] * B[2 * i + 1] */
+
+    d2 = *(pSrcB + 3);          /* B[2 * i + 3] */
+    acc3 = a2 * c2;             /* acc3 =       A[2 * i + 2] * B[2 * i + 2] */
+
+    b2 = *(pSrcA + 3);          /* A[2 * i + 3] */
+    acc2 += (a1 * d1);          /* acc2 =      A[2 * i + 1] * B[2 * i] + A[2 * i] * B[2 * i + 1] */
+
+    a1 = *(pSrcA + 4);          /* A[2 * i + 4] */
+    acc4 = (a2 * d2);           /* acc4 =   A[2 * i + 2] * B[2 * i + 3] */
+
+    c1 = *(pSrcB + 4);          /* B[2 * i + 4] */
+    acc3 -= (b2 * d2);          /* acc3 =       A[2 * i + 2] * B[2 * i + 2] - A[2 * i + 3] * B[2 * i + 3] */
+    *pDst = acc1;               /* C[2 * i] = A[2 * i] * B[2 * i] - A[2 * i + 1] * B[2 * i + 1] */
+
+    b1 = *(pSrcA + 5);          /* A[2 * i + 5] */
+    acc4 += b2 * c2;            /* acc4 =   A[2 * i + 2] * B[2 * i + 3] + A[2 * i + 3] * B[2 * i + 2] */
+
+    *(pDst + 1) = acc2;         /* C[2 * i + 1] = A[2 * i + 1] * B[2 * i] + A[2 * i] * B[2 * i + 1]  */
+    acc1 = (a1 * c1);
+
+    d1 = *(pSrcB + 5);
+    acc2 = (b1 * c1);
+
+    *(pDst + 2) = acc3;
+    *(pDst + 3) = acc4;
+
+    a2 = *(pSrcA + 6);
+    acc1 -= (b1 * d1);
+
+    c2 = *(pSrcB + 6);
+    acc2 += (a1 * d1);
+
+    b2 = *(pSrcA + 7);
+    acc3 = (a2 * c2);
+
+    d2 = *(pSrcB + 7);
+    acc4 = (b2 * c2);
+
+    *(pDst + 4) = acc1;
+    pSrcA += 8u;
+
+    acc3 -= (b2 * d2);
+    acc4 += (a2 * d2);
+
+    *(pDst + 5) = acc2;
+    pSrcB += 8u;
+
+    *(pDst + 6) = acc3;
+    *(pDst + 7) = acc4;
+
+    pDst += 8u;
+
+    /* Decrement the numSamples loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.        
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  blkCnt = numSamples;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[2 * i] - A[2 * i + 1] * B[2 * i + 1].  */
+    /* C[2 * i + 1] = A[2 * i] * B[2 * i + 1] + A[2 * i + 1] * B[2 * i].  */
+    a1 = *pSrcA++;
+    b1 = *pSrcA++;
+    c1 = *pSrcB++;
+    d1 = *pSrcB++;
+
+    /* store the result in the destination buffer. */
+    *pDst++ = (a1 * c1) - (b1 * d1);
+    *pDst++ = (a1 * d1) + (b1 * c1);
+
+    /* Decrement the numSamples loop counter */
+    blkCnt--;
+  }
+}
+
+/**        
+ * @} end of CmplxByCmplxMult group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_cmplx_q15.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_cmplx_q15.c
new file mode 100644
index 0000000000..89412f5ba1
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_cmplx_q15.c
@@ -0,0 +1,185 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_cmplx_mult_cmplx_q15.c    
+*    
+* Description:	Q15 complex-by-complex multiplication    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupCmplxMath    
+ */
+
+/**    
+ * @addtogroup CmplxByCmplxMult    
+ * @{    
+ */
+
+/**    
+ * @brief  Q15 complex-by-complex multiplication    
+ * @param[in]  *pSrcA points to the first input vector    
+ * @param[in]  *pSrcB points to the second input vector    
+ * @param[out]  *pDst  points to the output vector    
+ * @param[in]  numSamples number of complex samples in each vector    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function implements 1.15 by 1.15 multiplications and finally output is converted into 3.13 format.    
+ */
+
+void arm_cmplx_mult_cmplx_q15(
+  q15_t * pSrcA,
+  q15_t * pSrcB,
+  q15_t * pDst,
+  uint32_t numSamples)
+{
+  q15_t a, b, c, d;                              /* Temporary variables to store real and imaginary values */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  uint32_t blkCnt;                               /* loop counters */
+
+  /* loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[2 * i] - A[2 * i + 1] * B[2 * i + 1].  */
+    /* C[2 * i + 1] = A[2 * i] * B[2 * i + 1] + A[2 * i + 1] * B[2 * i].  */
+    a = *pSrcA++;
+    b = *pSrcA++;
+    c = *pSrcB++;
+    d = *pSrcB++;
+
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ =
+      (q15_t) (q31_t) (((q31_t) a * c) >> 17) - (((q31_t) b * d) >> 17);
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ =
+      (q15_t) (q31_t) (((q31_t) a * d) >> 17) + (((q31_t) b * c) >> 17);
+
+    a = *pSrcA++;
+    b = *pSrcA++;
+    c = *pSrcB++;
+    d = *pSrcB++;
+
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ =
+      (q15_t) (q31_t) (((q31_t) a * c) >> 17) - (((q31_t) b * d) >> 17);
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ =
+      (q15_t) (q31_t) (((q31_t) a * d) >> 17) + (((q31_t) b * c) >> 17);
+
+    a = *pSrcA++;
+    b = *pSrcA++;
+    c = *pSrcB++;
+    d = *pSrcB++;
+
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ =
+      (q15_t) (q31_t) (((q31_t) a * c) >> 17) - (((q31_t) b * d) >> 17);
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ =
+      (q15_t) (q31_t) (((q31_t) a * d) >> 17) + (((q31_t) b * c) >> 17);
+
+    a = *pSrcA++;
+    b = *pSrcA++;
+    c = *pSrcB++;
+    d = *pSrcB++;
+
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ =
+      (q15_t) (q31_t) (((q31_t) a * c) >> 17) - (((q31_t) b * d) >> 17);
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ =
+      (q15_t) (q31_t) (((q31_t) a * d) >> 17) + (((q31_t) b * c) >> 17);
+
+    /* Decrement the blockSize loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[2 * i] - A[2 * i + 1] * B[2 * i + 1].  */
+    /* C[2 * i + 1] = A[2 * i] * B[2 * i + 1] + A[2 * i + 1] * B[2 * i].  */
+    a = *pSrcA++;
+    b = *pSrcA++;
+    c = *pSrcB++;
+    d = *pSrcB++;
+
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ =
+      (q15_t) (q31_t) (((q31_t) a * c) >> 17) - (((q31_t) b * d) >> 17);
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ =
+      (q15_t) (q31_t) (((q31_t) a * d) >> 17) + (((q31_t) b * c) >> 17);
+
+    /* Decrement the blockSize loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  while(numSamples > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[2 * i] - A[2 * i + 1] * B[2 * i + 1].  */
+    /* C[2 * i + 1] = A[2 * i] * B[2 * i + 1] + A[2 * i + 1] * B[2 * i].  */
+    a = *pSrcA++;
+    b = *pSrcA++;
+    c = *pSrcB++;
+    d = *pSrcB++;
+
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ =
+      (q15_t) (q31_t) (((q31_t) a * c) >> 17) - (((q31_t) b * d) >> 17);
+    /* store the result in 3.13 format in the destination buffer. */
+    *pDst++ =
+      (q15_t) (q31_t) (((q31_t) a * d) >> 17) + (((q31_t) b * c) >> 17);
+
+    /* Decrement the blockSize loop counter */
+    numSamples--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of CmplxByCmplxMult group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_cmplx_q31.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_cmplx_q31.c
new file mode 100644
index 0000000000..668cbfa610
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_cmplx_q31.c
@@ -0,0 +1,318 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_cmplx_mult_cmplx_q31.c    
+*    
+* Description:	Q31 complex-by-complex multiplication    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupCmplxMath    
+ */
+
+/**    
+ * @addtogroup CmplxByCmplxMult    
+ * @{    
+ */
+
+
+/**    
+ * @brief  Q31 complex-by-complex multiplication    
+ * @param[in]  *pSrcA points to the first input vector    
+ * @param[in]  *pSrcB points to the second input vector    
+ * @param[out]  *pDst  points to the output vector    
+ * @param[in]  numSamples number of complex samples in each vector    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function implements 1.31 by 1.31 multiplications and finally output is converted into 3.29 format.    
+ * Input down scaling is not required.    
+ */
+
+void arm_cmplx_mult_cmplx_q31(
+  q31_t * pSrcA,
+  q31_t * pSrcB,
+  q31_t * pDst,
+  uint32_t numSamples)
+{
+  q31_t a, b, c, d;                              /* Temporary variables to store real and imaginary values */
+  uint32_t blkCnt;                               /* loop counters */
+  q31_t mul1, mul2, mul3, mul4;
+  q31_t out1, out2;
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /* loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[2 * i] - A[2 * i + 1] * B[2 * i + 1].  */
+    /* C[2 * i + 1] = A[2 * i] * B[2 * i + 1] + A[2 * i + 1] * B[2 * i].  */
+    a = *pSrcA++;
+    b = *pSrcA++;
+    c = *pSrcB++;
+    d = *pSrcB++;
+
+    mul1 = (q31_t) (((q63_t) a * c) >> 32);
+    mul2 = (q31_t) (((q63_t) b * d) >> 32);
+    mul3 = (q31_t) (((q63_t) a * d) >> 32);
+    mul4 = (q31_t) (((q63_t) b * c) >> 32);
+
+    mul1 = (mul1 >> 1);
+    mul2 = (mul2 >> 1);
+    mul3 = (mul3 >> 1);
+    mul4 = (mul4 >> 1);
+
+    out1 = mul1 - mul2;
+    out2 = mul3 + mul4;
+
+    /* store the real result in 3.29 format in the destination buffer. */
+    *pDst++ = out1;
+    /* store the imag result in 3.29 format in the destination buffer. */
+    *pDst++ = out2;
+
+    a = *pSrcA++;
+    b = *pSrcA++;
+    c = *pSrcB++;
+    d = *pSrcB++;
+
+    mul1 = (q31_t) (((q63_t) a * c) >> 32);
+    mul2 = (q31_t) (((q63_t) b * d) >> 32);
+    mul3 = (q31_t) (((q63_t) a * d) >> 32);
+    mul4 = (q31_t) (((q63_t) b * c) >> 32);
+
+    mul1 = (mul1 >> 1);
+    mul2 = (mul2 >> 1);
+    mul3 = (mul3 >> 1);
+    mul4 = (mul4 >> 1);
+
+    out1 = mul1 - mul2;
+    out2 = mul3 + mul4;
+
+    /* store the real result in 3.29 format in the destination buffer. */
+    *pDst++ = out1;
+    /* store the imag result in 3.29 format in the destination buffer. */
+    *pDst++ = out2;
+
+    a = *pSrcA++;
+    b = *pSrcA++;
+    c = *pSrcB++;
+    d = *pSrcB++;
+
+    mul1 = (q31_t) (((q63_t) a * c) >> 32);
+    mul2 = (q31_t) (((q63_t) b * d) >> 32);
+    mul3 = (q31_t) (((q63_t) a * d) >> 32);
+    mul4 = (q31_t) (((q63_t) b * c) >> 32);
+
+    mul1 = (mul1 >> 1);
+    mul2 = (mul2 >> 1);
+    mul3 = (mul3 >> 1);
+    mul4 = (mul4 >> 1);
+
+    out1 = mul1 - mul2;
+    out2 = mul3 + mul4;
+
+    /* store the real result in 3.29 format in the destination buffer. */
+    *pDst++ = out1;
+    /* store the imag result in 3.29 format in the destination buffer. */
+    *pDst++ = out2;
+
+    a = *pSrcA++;
+    b = *pSrcA++;
+    c = *pSrcB++;
+    d = *pSrcB++;
+
+    mul1 = (q31_t) (((q63_t) a * c) >> 32);
+    mul2 = (q31_t) (((q63_t) b * d) >> 32);
+    mul3 = (q31_t) (((q63_t) a * d) >> 32);
+    mul4 = (q31_t) (((q63_t) b * c) >> 32);
+
+    mul1 = (mul1 >> 1);
+    mul2 = (mul2 >> 1);
+    mul3 = (mul3 >> 1);
+    mul4 = (mul4 >> 1);
+
+    out1 = mul1 - mul2;
+    out2 = mul3 + mul4;
+
+    /* store the real result in 3.29 format in the destination buffer. */
+    *pDst++ = out1;
+    /* store the imag result in 3.29 format in the destination buffer. */
+    *pDst++ = out2;
+
+    /* Decrement the blockSize loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[2 * i] - A[2 * i + 1] * B[2 * i + 1].  */
+    /* C[2 * i + 1] = A[2 * i] * B[2 * i + 1] + A[2 * i + 1] * B[2 * i].  */
+    a = *pSrcA++;
+    b = *pSrcA++;
+    c = *pSrcB++;
+    d = *pSrcB++;
+
+    mul1 = (q31_t) (((q63_t) a * c) >> 32);
+    mul2 = (q31_t) (((q63_t) b * d) >> 32);
+    mul3 = (q31_t) (((q63_t) a * d) >> 32);
+    mul4 = (q31_t) (((q63_t) b * c) >> 32);
+
+    mul1 = (mul1 >> 1);
+    mul2 = (mul2 >> 1);
+    mul3 = (mul3 >> 1);
+    mul4 = (mul4 >> 1);
+
+    out1 = mul1 - mul2;
+    out2 = mul3 + mul4;
+
+    /* store the real result in 3.29 format in the destination buffer. */
+    *pDst++ = out1;
+    /* store the imag result in 3.29 format in the destination buffer. */
+    *pDst++ = out2;
+
+    /* Decrement the blockSize loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* loop Unrolling */
+  blkCnt = numSamples >> 1u;
+
+  /* First part of the processing with loop unrolling.  Compute 2 outputs at a time.     
+   ** a second loop below computes the remaining 1 sample. */
+  while(blkCnt > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[2 * i] - A[2 * i + 1] * B[2 * i + 1].  */
+    /* C[2 * i + 1] = A[2 * i] * B[2 * i + 1] + A[2 * i + 1] * B[2 * i].  */
+    a = *pSrcA++;
+    b = *pSrcA++;
+    c = *pSrcB++;
+    d = *pSrcB++;
+
+    mul1 = (q31_t) (((q63_t) a * c) >> 32);
+    mul2 = (q31_t) (((q63_t) b * d) >> 32);
+    mul3 = (q31_t) (((q63_t) a * d) >> 32);
+    mul4 = (q31_t) (((q63_t) b * c) >> 32);
+
+    mul1 = (mul1 >> 1);
+    mul2 = (mul2 >> 1);
+    mul3 = (mul3 >> 1);
+    mul4 = (mul4 >> 1);
+
+    out1 = mul1 - mul2;
+    out2 = mul3 + mul4;
+
+    /* store the real result in 3.29 format in the destination buffer. */
+    *pDst++ = out1;
+    /* store the imag result in 3.29 format in the destination buffer. */
+    *pDst++ = out2;
+
+    a = *pSrcA++;
+    b = *pSrcA++;
+    c = *pSrcB++;
+    d = *pSrcB++;
+
+    mul1 = (q31_t) (((q63_t) a * c) >> 32);
+    mul2 = (q31_t) (((q63_t) b * d) >> 32);
+    mul3 = (q31_t) (((q63_t) a * d) >> 32);
+    mul4 = (q31_t) (((q63_t) b * c) >> 32);
+
+    mul1 = (mul1 >> 1);
+    mul2 = (mul2 >> 1);
+    mul3 = (mul3 >> 1);
+    mul4 = (mul4 >> 1);
+
+    out1 = mul1 - mul2;
+    out2 = mul3 + mul4;
+
+    /* store the real result in 3.29 format in the destination buffer. */
+    *pDst++ = out1;
+    /* store the imag result in 3.29 format in the destination buffer. */
+    *pDst++ = out2;
+
+    /* Decrement the blockSize loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 2, compute any remaining output samples here.     
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x2u;
+
+  while(blkCnt > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[2 * i] - A[2 * i + 1] * B[2 * i + 1].  */
+    /* C[2 * i + 1] = A[2 * i] * B[2 * i + 1] + A[2 * i + 1] * B[2 * i].  */
+    a = *pSrcA++;
+    b = *pSrcA++;
+    c = *pSrcB++;
+    d = *pSrcB++;
+
+    mul1 = (q31_t) (((q63_t) a * c) >> 32);
+    mul2 = (q31_t) (((q63_t) b * d) >> 32);
+    mul3 = (q31_t) (((q63_t) a * d) >> 32);
+    mul4 = (q31_t) (((q63_t) b * c) >> 32);
+
+    mul1 = (mul1 >> 1);
+    mul2 = (mul2 >> 1);
+    mul3 = (mul3 >> 1);
+    mul4 = (mul4 >> 1);
+
+    out1 = mul1 - mul2;
+    out2 = mul3 + mul4;
+
+    /* store the real result in 3.29 format in the destination buffer. */
+    *pDst++ = out1;
+    /* store the imag result in 3.29 format in the destination buffer. */
+    *pDst++ = out2;
+
+    /* Decrement the blockSize loop counter */
+    blkCnt--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of CmplxByCmplxMult group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_real_f32.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_real_f32.c
new file mode 100644
index 0000000000..bbd7cf6746
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_real_f32.c
@@ -0,0 +1,217 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_cmplx_mult_real_f32.c    
+*    
+* Description:	Floating-point complex by real multiplication    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**        
+ * @ingroup groupCmplxMath        
+ */
+
+/**        
+ * @defgroup CmplxByRealMult Complex-by-Real Multiplication        
+ *        
+ * Multiplies a complex vector by a real vector and generates a complex result.        
+ * The data in the complex arrays is stored in an interleaved fashion        
+ * (real, imag, real, imag, ...).        
+ * The parameter numSamples represents the number of complex        
+ * samples processed.  The complex arrays have a total of 2*numSamples        
+ * real values while the real array has a total of numSamples        
+ * real values.        
+ *        
+ * The underlying algorithm is used:        
+ *        
+ * 
        
+ * for(n=0; n        
+ *        
+ * There are separate functions for floating-point, Q15, and Q31 data types.        
+ */
+
+/**        
+ * @addtogroup CmplxByRealMult        
+ * @{        
+ */
+
+
+/**        
+ * @brief  Floating-point complex-by-real multiplication        
+ * @param[in]  *pSrcCmplx points to the complex input vector        
+ * @param[in]  *pSrcReal points to the real input vector        
+ * @param[out]  *pCmplxDst points to the complex output vector        
+ * @param[in]  numSamples number of samples in each vector        
+ * @return none.        
+ */
+
+void arm_cmplx_mult_real_f32(
+  float32_t * pSrcCmplx,
+  float32_t * pSrcReal,
+  float32_t * pCmplxDst,
+  uint32_t numSamples)
+{
+  float32_t in;                                  /* Temporary variable to store input value */
+  uint32_t blkCnt;                               /* loop counters */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  float32_t inA1, inA2, inA3, inA4;              /* Temporary variables to hold input data */
+  float32_t inA5, inA6, inA7, inA8;              /* Temporary variables to hold input data */
+  float32_t inB1, inB2, inB3, inB4;              /* Temporary variables to hold input data */
+  float32_t out1, out2, out3, out4;              /* Temporary variables to hold output data */
+  float32_t out5, out6, out7, out8;              /* Temporary variables to hold output data */
+
+  /* loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.        
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[i].            */
+    /* C[2 * i + 1] = A[2 * i + 1] * B[i].        */
+    /* read input from complex input buffer */
+    inA1 = pSrcCmplx[0];
+    inA2 = pSrcCmplx[1];
+    /* read input from real input buffer */
+    inB1 = pSrcReal[0];
+
+    /* read input from complex input buffer */
+    inA3 = pSrcCmplx[2];
+
+    /* multiply complex buffer real input with real buffer input */
+    out1 = inA1 * inB1;
+
+    /* read input from complex input buffer */
+    inA4 = pSrcCmplx[3];
+
+    /* multiply complex buffer imaginary input with real buffer input */
+    out2 = inA2 * inB1;
+
+    /* read input from real input buffer */
+    inB2 = pSrcReal[1];
+    /* read input from complex input buffer */
+    inA5 = pSrcCmplx[4];
+
+    /* multiply complex buffer real input with real buffer input */
+    out3 = inA3 * inB2;
+
+    /* read input from complex input buffer */
+    inA6 = pSrcCmplx[5];
+    /* read input from real input buffer */
+    inB3 = pSrcReal[2];
+
+    /* multiply complex buffer imaginary input with real buffer input */
+    out4 = inA4 * inB2;
+
+    /* read input from complex input buffer */
+    inA7 = pSrcCmplx[6];
+
+    /* multiply complex buffer real input with real buffer input */
+    out5 = inA5 * inB3;
+
+    /* read input from complex input buffer */
+    inA8 = pSrcCmplx[7];
+
+    /* multiply complex buffer imaginary input with real buffer input */
+    out6 = inA6 * inB3;
+
+    /* read input from real input buffer */
+    inB4 = pSrcReal[3];
+
+    /* store result to destination bufer */
+    pCmplxDst[0] = out1;
+
+    /* multiply complex buffer real input with real buffer input */
+    out7 = inA7 * inB4;
+
+    /* store result to destination bufer */
+    pCmplxDst[1] = out2;
+
+    /* multiply complex buffer imaginary input with real buffer input */
+    out8 = inA8 * inB4;
+
+    /* store result to destination bufer */
+    pCmplxDst[2] = out3;
+    pCmplxDst[3] = out4;
+    pCmplxDst[4] = out5;
+
+    /* incremnet complex input buffer by 8 to process next samples */
+    pSrcCmplx += 8u;
+
+    /* store result to destination bufer */
+    pCmplxDst[5] = out6;
+
+    /* increment real input buffer by 4 to process next samples */
+    pSrcReal += 4u;
+
+    /* store result to destination bufer */
+    pCmplxDst[6] = out7;
+    pCmplxDst[7] = out8;
+
+    /* increment destination buffer by 8 to process next sampels */
+    pCmplxDst += 8u;
+
+    /* Decrement the numSamples loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.        
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  blkCnt = numSamples;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[i].            */
+    /* C[2 * i + 1] = A[2 * i + 1] * B[i].        */
+    in = *pSrcReal++;
+    /* store the result in the destination buffer. */
+    *pCmplxDst++ = (*pSrcCmplx++) * (in);
+    *pCmplxDst++ = (*pSrcCmplx++) * (in);
+
+    /* Decrement the numSamples loop counter */
+    blkCnt--;
+  }
+}
+
+/**        
+ * @} end of CmplxByRealMult group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_real_q15.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_real_q15.c
new file mode 100644
index 0000000000..2e56b0f3f6
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_real_q15.c
@@ -0,0 +1,195 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_cmplx_mult_real_q15.c    
+*    
+* Description:	Q15 complex by real multiplication    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupCmplxMath    
+ */
+
+/**    
+ * @addtogroup CmplxByRealMult    
+ * @{    
+ */
+
+
+/**    
+ * @brief  Q15 complex-by-real multiplication    
+ * @param[in]  *pSrcCmplx points to the complex input vector    
+ * @param[in]  *pSrcReal points to the real input vector    
+ * @param[out]  *pCmplxDst points to the complex output vector    
+ * @param[in]  numSamples number of samples in each vector    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function uses saturating arithmetic.    
+ * Results outside of the allowable Q15 range [0x8000 0x7FFF] will be saturated.    
+ */
+
+void arm_cmplx_mult_real_q15(
+  q15_t * pSrcCmplx,
+  q15_t * pSrcReal,
+  q15_t * pCmplxDst,
+  uint32_t numSamples)
+{
+  q15_t in;                                      /* Temporary variable to store input value */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  uint32_t blkCnt;                               /* loop counters */
+  q31_t inA1, inA2;                              /* Temporary variables to hold input data */
+  q31_t inB1;                                    /* Temporary variables to hold input data */
+  q15_t out1, out2, out3, out4;                  /* Temporary variables to hold output data */
+  q31_t mul1, mul2, mul3, mul4;                  /* Temporary variables to hold intermediate data */
+
+  /* loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[i].            */
+    /* C[2 * i + 1] = A[2 * i + 1] * B[i].        */
+    /* read complex number both real and imaginary from complex input buffer */
+    inA1 = *__SIMD32(pSrcCmplx)++;
+    /* read two real values at a time from real input buffer */
+    inB1 = *__SIMD32(pSrcReal)++;
+    /* read complex number both real and imaginary from complex input buffer */
+    inA2 = *__SIMD32(pSrcCmplx)++;
+
+    /* multiply complex number with real numbers */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    mul1 = (q31_t) ((q15_t) (inA1) * (q15_t) (inB1));
+    mul2 = (q31_t) ((q15_t) (inA1 >> 16) * (q15_t) (inB1));
+    mul3 = (q31_t) ((q15_t) (inA2) * (q15_t) (inB1 >> 16));
+    mul4 = (q31_t) ((q15_t) (inA2 >> 16) * (q15_t) (inB1 >> 16));
+
+#else
+
+    mul2 = (q31_t) ((q15_t) (inA1 >> 16) * (q15_t) (inB1 >> 16));
+    mul1 = (q31_t) ((q15_t) inA1 * (q15_t) (inB1 >> 16));
+    mul4 = (q31_t) ((q15_t) (inA2 >> 16) * (q15_t) inB1);
+    mul3 = (q31_t) ((q15_t) inA2 * (q15_t) inB1);
+
+#endif //      #ifndef ARM_MATH_BIG_ENDIAN
+
+    /* saturate the result */
+    out1 = (q15_t) __SSAT(mul1 >> 15u, 16);
+    out2 = (q15_t) __SSAT(mul2 >> 15u, 16);
+    out3 = (q15_t) __SSAT(mul3 >> 15u, 16);
+    out4 = (q15_t) __SSAT(mul4 >> 15u, 16);
+
+    /* pack real and imaginary outputs and store them to destination */
+    *__SIMD32(pCmplxDst)++ = __PKHBT(out1, out2, 16);
+    *__SIMD32(pCmplxDst)++ = __PKHBT(out3, out4, 16);
+
+    inA1 = *__SIMD32(pSrcCmplx)++;
+    inB1 = *__SIMD32(pSrcReal)++;
+    inA2 = *__SIMD32(pSrcCmplx)++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    mul1 = (q31_t) ((q15_t) (inA1) * (q15_t) (inB1));
+    mul2 = (q31_t) ((q15_t) (inA1 >> 16) * (q15_t) (inB1));
+    mul3 = (q31_t) ((q15_t) (inA2) * (q15_t) (inB1 >> 16));
+    mul4 = (q31_t) ((q15_t) (inA2 >> 16) * (q15_t) (inB1 >> 16));
+
+#else
+
+    mul2 = (q31_t) ((q15_t) (inA1 >> 16) * (q15_t) (inB1 >> 16));
+    mul1 = (q31_t) ((q15_t) inA1 * (q15_t) (inB1 >> 16));
+    mul4 = (q31_t) ((q15_t) (inA2 >> 16) * (q15_t) inB1);
+    mul3 = (q31_t) ((q15_t) inA2 * (q15_t) inB1);
+
+#endif //      #ifndef ARM_MATH_BIG_ENDIAN
+
+    out1 = (q15_t) __SSAT(mul1 >> 15u, 16);
+    out2 = (q15_t) __SSAT(mul2 >> 15u, 16);
+    out3 = (q15_t) __SSAT(mul3 >> 15u, 16);
+    out4 = (q15_t) __SSAT(mul4 >> 15u, 16);
+
+    *__SIMD32(pCmplxDst)++ = __PKHBT(out1, out2, 16);
+    *__SIMD32(pCmplxDst)++ = __PKHBT(out3, out4, 16);
+
+    /* Decrement the numSamples loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[i].            */
+    /* C[2 * i + 1] = A[2 * i + 1] * B[i].        */
+    in = *pSrcReal++;
+    /* store the result in the destination buffer. */
+    *pCmplxDst++ =
+      (q15_t) __SSAT((((q31_t) (*pSrcCmplx++) * (in)) >> 15), 16);
+    *pCmplxDst++ =
+      (q15_t) __SSAT((((q31_t) (*pSrcCmplx++) * (in)) >> 15), 16);
+
+    /* Decrement the numSamples loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  while(numSamples > 0u)
+  {
+    /* realOut = realA * realB.            */
+    /* imagOut = imagA * realB.                */
+    in = *pSrcReal++;
+    /* store the result in the destination buffer. */
+    *pCmplxDst++ =
+      (q15_t) __SSAT((((q31_t) (*pSrcCmplx++) * (in)) >> 15), 16);
+    *pCmplxDst++ =
+      (q15_t) __SSAT((((q31_t) (*pSrcCmplx++) * (in)) >> 15), 16);
+
+    /* Decrement the numSamples loop counter */
+    numSamples--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of CmplxByRealMult group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_real_q31.c b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_real_q31.c
new file mode 100644
index 0000000000..94483f62b0
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_real_q31.c
@@ -0,0 +1,215 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_cmplx_mult_real_q31.c    
+*    
+* Description:	Q31 complex by real multiplication    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupCmplxMath    
+ */
+
+/**    
+ * @addtogroup CmplxByRealMult    
+ * @{    
+ */
+
+
+/**    
+ * @brief  Q31 complex-by-real multiplication    
+ * @param[in]  *pSrcCmplx points to the complex input vector    
+ * @param[in]  *pSrcReal points to the real input vector    
+ * @param[out]  *pCmplxDst points to the complex output vector    
+ * @param[in]  numSamples number of samples in each vector    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function uses saturating arithmetic.    
+ * Results outside of the allowable Q31 range[0x80000000 0x7FFFFFFF] will be saturated.    
+ */
+
+void arm_cmplx_mult_real_q31(
+  q31_t * pSrcCmplx,
+  q31_t * pSrcReal,
+  q31_t * pCmplxDst,
+  uint32_t numSamples)
+{
+  q31_t inA1;                                    /* Temporary variable to store input value */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  uint32_t blkCnt;                               /* loop counters */
+  q31_t inA2, inA3, inA4;                        /* Temporary variables to hold input data */
+  q31_t inB1, inB2;                              /* Temporary variabels to hold input data */
+  q31_t out1, out2, out3, out4;                  /* Temporary variables to hold output data */
+
+  /* loop Unrolling */
+  blkCnt = numSamples >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[i].            */
+    /* C[2 * i + 1] = A[2 * i + 1] * B[i].        */
+    /* read real input from complex input buffer */
+    inA1 = *pSrcCmplx++;
+    inA2 = *pSrcCmplx++;
+    /* read input from real input bufer */
+    inB1 = *pSrcReal++;
+    inB2 = *pSrcReal++;
+    /* read imaginary input from complex input buffer */
+    inA3 = *pSrcCmplx++;
+    inA4 = *pSrcCmplx++;
+
+    /* multiply complex input with real input */
+    out1 = ((q63_t) inA1 * inB1) >> 32;
+    out2 = ((q63_t) inA2 * inB1) >> 32;
+    out3 = ((q63_t) inA3 * inB2) >> 32;
+    out4 = ((q63_t) inA4 * inB2) >> 32;
+
+    /* sature the result */
+    out1 = __SSAT(out1, 31);
+    out2 = __SSAT(out2, 31);
+    out3 = __SSAT(out3, 31);
+    out4 = __SSAT(out4, 31);
+
+    /* get result in 1.31 format */
+    out1 = out1 << 1;
+    out2 = out2 << 1;
+    out3 = out3 << 1;
+    out4 = out4 << 1;
+
+    /* store the result to destination buffer */
+    *pCmplxDst++ = out1;
+    *pCmplxDst++ = out2;
+    *pCmplxDst++ = out3;
+    *pCmplxDst++ = out4;
+
+    /* read real input from complex input buffer */
+    inA1 = *pSrcCmplx++;
+    inA2 = *pSrcCmplx++;
+    /* read input from real input bufer */
+    inB1 = *pSrcReal++;
+    inB2 = *pSrcReal++;
+    /* read imaginary input from complex input buffer */
+    inA3 = *pSrcCmplx++;
+    inA4 = *pSrcCmplx++;
+
+    /* multiply complex input with real input */
+    out1 = ((q63_t) inA1 * inB1) >> 32;
+    out2 = ((q63_t) inA2 * inB1) >> 32;
+    out3 = ((q63_t) inA3 * inB2) >> 32;
+    out4 = ((q63_t) inA4 * inB2) >> 32;
+
+    /* sature the result */
+    out1 = __SSAT(out1, 31);
+    out2 = __SSAT(out2, 31);
+    out3 = __SSAT(out3, 31);
+    out4 = __SSAT(out4, 31);
+
+    /* get result in 1.31 format */
+    out1 = out1 << 1;
+    out2 = out2 << 1;
+    out3 = out3 << 1;
+    out4 = out4 << 1;
+
+    /* store the result to destination buffer */
+    *pCmplxDst++ = out1;
+    *pCmplxDst++ = out2;
+    *pCmplxDst++ = out3;
+    *pCmplxDst++ = out4;
+
+    /* Decrement the numSamples loop counter */
+    blkCnt--;
+  }
+
+  /* If the numSamples is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = numSamples % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C[2 * i] = A[2 * i] * B[i].            */
+    /* C[2 * i + 1] = A[2 * i + 1] * B[i].        */
+    /* read real input from complex input buffer */
+    inA1 = *pSrcCmplx++;
+    inA2 = *pSrcCmplx++;
+    /* read input from real input bufer */
+    inB1 = *pSrcReal++;
+
+    /* multiply complex input with real input */
+    out1 = ((q63_t) inA1 * inB1) >> 32;
+    out2 = ((q63_t) inA2 * inB1) >> 32;
+
+    /* sature the result */
+    out1 = __SSAT(out1, 31);
+    out2 = __SSAT(out2, 31);
+
+    /* get result in 1.31 format */
+    out1 = out1 << 1;
+    out2 = out2 << 1;
+
+    /* store the result to destination buffer */
+    *pCmplxDst++ = out1;
+    *pCmplxDst++ = out2;
+
+    /* Decrement the numSamples loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  while(numSamples > 0u)
+  {
+    /* realOut = realA * realB.            */
+    /* imagReal = imagA * realB.               */
+    inA1 = *pSrcReal++;
+    /* store the result in the destination buffer. */
+    *pCmplxDst++ =
+      (q31_t) clip_q63_to_q31(((q63_t) * pSrcCmplx++ * inA1) >> 31);
+    *pCmplxDst++ =
+      (q31_t) clip_q63_to_q31(((q63_t) * pSrcCmplx++ * inA1) >> 31);
+
+    /* Decrement the numSamples loop counter */
+    numSamples--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of CmplxByRealMult group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_init_f32.c b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_init_f32.c
new file mode 100644
index 0000000000..9ae46d9ae8
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_init_f32.c
@@ -0,0 +1,79 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_pid_init_f32.c    
+*    
+* Description:	Floating-point PID Control initialization function    
+*				   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+ /**    
+ * @addtogroup PID    
+ * @{    
+ */
+
+/**    
+ * @brief  Initialization function for the floating-point PID Control.   
+ * @param[in,out] *S points to an instance of the PID structure.   
+ * @param[in]     resetStateFlag  flag to reset the state. 0 = no change in state & 1 = reset the state.   
+ * @return none.   
+ * \par Description:   
+ * \par    
+ * The resetStateFlag specifies whether to set state to zero or not. \n   
+ * The function computes the structure fields: A0, A1 A2    
+ * using the proportional gain( \c Kp), integral gain( \c Ki) and derivative gain( \c Kd)    
+ * also sets the state variables to all zeros.    
+ */
+
+void arm_pid_init_f32(
+  arm_pid_instance_f32 * S,
+  int32_t resetStateFlag)
+{
+
+  /* Derived coefficient A0 */
+  S->A0 = S->Kp + S->Ki + S->Kd;
+
+  /* Derived coefficient A1 */
+  S->A1 = (-S->Kp) - ((float32_t) 2.0 * S->Kd);
+
+  /* Derived coefficient A2 */
+  S->A2 = S->Kd;
+
+  /* Check whether state needs reset or not */
+  if(resetStateFlag)
+  {
+    /* Clear the state buffer.  The size will be always 3 samples */
+    memset(S->state, 0, 3u * sizeof(float32_t));
+  }
+
+}
+
+/**    
+ * @} end of PID group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_init_q15.c b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_init_q15.c
new file mode 100644
index 0000000000..a10b1e1cfe
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_init_q15.c
@@ -0,0 +1,114 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_pid_init_q15.c    
+*    
+* Description:	Q15 PID Control initialization function    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+ /**    
+ * @addtogroup PID    
+ * @{    
+ */
+
+/**    
+ * @details    
+ * @param[in,out] *S points to an instance of the Q15 PID structure.    
+ * @param[in]     resetStateFlag  flag to reset the state. 0 = no change in state 1 = reset the state.    
+ * @return none.    
+ * \par Description:   
+ * \par    
+ * The resetStateFlag specifies whether to set state to zero or not. \n   
+ * The function computes the structure fields: A0, A1 A2    
+ * using the proportional gain( \c Kp), integral gain( \c Ki) and derivative gain( \c Kd)    
+ * also sets the state variables to all zeros.    
+ */
+
+void arm_pid_init_q15(
+  arm_pid_instance_q15 * S,
+  int32_t resetStateFlag)
+{
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /* Derived coefficient A0 */
+  S->A0 = __QADD16(__QADD16(S->Kp, S->Ki), S->Kd);
+
+  /* Derived coefficients and pack into A1 */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+  S->A1 = __PKHBT(-__QADD16(__QADD16(S->Kd, S->Kd), S->Kp), S->Kd, 16);
+
+#else
+
+  S->A1 = __PKHBT(S->Kd, -__QADD16(__QADD16(S->Kd, S->Kd), S->Kp), 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+  /* Check whether state needs reset or not */
+  if(resetStateFlag)
+  {
+    /* Clear the state buffer.  The size will be always 3 samples */
+    memset(S->state, 0, 3u * sizeof(q15_t));
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q31_t temp;                                    /*to store the sum */
+
+  /* Derived coefficient A0 */
+  temp = S->Kp + S->Ki + S->Kd;
+  S->A0 = (q15_t) __SSAT(temp, 16);
+
+  /* Derived coefficients and pack into A1 */
+  temp = -(S->Kd + S->Kd + S->Kp);
+  S->A1 = (q15_t) __SSAT(temp, 16);
+  S->A2 = S->Kd;
+
+
+
+  /* Check whether state needs reset or not */
+  if(resetStateFlag)
+  {
+    /* Clear the state buffer.  The size will be always 3 samples */
+    memset(S->state, 0, 3u * sizeof(q15_t));
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of PID group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_init_q31.c b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_init_q31.c
new file mode 100644
index 0000000000..0afd13bb78
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_init_q31.c
@@ -0,0 +1,99 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_pid_init_q31.c    
+*    
+* Description:	Q31 PID Control initialization function     
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+ /**    
+ * @addtogroup PID    
+ * @{    
+ */
+
+/**    
+ * @brief  Initialization function for the Q31 PID Control.   
+ * @param[in,out] *S points to an instance of the Q31 PID structure.   
+ * @param[in]     resetStateFlag  flag to reset the state. 0 = no change in state 1 = reset the state.   
+ * @return none.    
+ * \par Description:   
+ * \par    
+ * The resetStateFlag specifies whether to set state to zero or not. \n   
+ * The function computes the structure fields: A0, A1 A2    
+ * using the proportional gain( \c Kp), integral gain( \c Ki) and derivative gain( \c Kd)    
+ * also sets the state variables to all zeros.    
+ */
+
+void arm_pid_init_q31(
+  arm_pid_instance_q31 * S,
+  int32_t resetStateFlag)
+{
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /* Derived coefficient A0 */
+  S->A0 = __QADD(__QADD(S->Kp, S->Ki), S->Kd);
+
+  /* Derived coefficient A1 */
+  S->A1 = -__QADD(__QADD(S->Kd, S->Kd), S->Kp);
+
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q31_t temp;
+
+  /* Derived coefficient A0 */
+  temp = clip_q63_to_q31((q63_t) S->Kp + S->Ki);
+  S->A0 = clip_q63_to_q31((q63_t) temp + S->Kd);
+
+  /* Derived coefficient A1 */
+  temp = clip_q63_to_q31((q63_t) S->Kd + S->Kd);
+  S->A1 = -clip_q63_to_q31((q63_t) temp + S->Kp);
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  /* Derived coefficient A2 */
+  S->A2 = S->Kd;
+
+  /* Check whether state needs reset or not */
+  if(resetStateFlag)
+  {
+    /* Clear the state buffer.  The size will be always 3 samples */
+    memset(S->state, 0, 3u * sizeof(q31_t));
+  }
+
+}
+
+/**    
+ * @} end of PID group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_reset_f32.c b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_reset_f32.c
new file mode 100644
index 0000000000..739812e97f
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_reset_f32.c
@@ -0,0 +1,57 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_pid_reset_f32.c    
+*    
+* Description:	Floating-point PID Control reset function   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+ /**    
+ * @addtogroup PID    
+ * @{    
+ */
+
+/**    
+* @brief  Reset function for the floating-point PID Control.   
+* @param[in] *S	Instance pointer of PID control data structure.   
+* @return none.    
+* \par Description:   
+* The function resets the state buffer to zeros.    
+*/
+void arm_pid_reset_f32(
+  arm_pid_instance_f32 * S)
+{
+
+  /* Clear the state buffer.  The size will be always 3 samples */
+  memset(S->state, 0, 3u * sizeof(float32_t));
+}
+
+/**    
+ * @} end of PID group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_reset_q15.c b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_reset_q15.c
new file mode 100644
index 0000000000..588e2b8694
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_reset_q15.c
@@ -0,0 +1,56 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_pid_reset_q15.c    
+*    
+* Description:	Q15 PID Control reset function   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+ /**    
+ * @addtogroup PID    
+ * @{    
+ */
+
+/**    
+* @brief  Reset function for the Q15 PID Control.   
+* @param[in] *S		Instance pointer of PID control data structure.   
+* @return none.    
+* \par Description:   
+* The function resets the state buffer to zeros.    
+*/
+void arm_pid_reset_q15(
+  arm_pid_instance_q15 * S)
+{
+  /* Reset state to zero, The size will be always 3 samples */
+  memset(S->state, 0, 3u * sizeof(q15_t));
+}
+
+/**    
+ * @} end of PID group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_reset_q31.c b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_reset_q31.c
new file mode 100644
index 0000000000..4b63f410d0
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_pid_reset_q31.c
@@ -0,0 +1,57 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_pid_reset_q31.c    
+*    
+* Description:	Q31 PID Control reset function   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+ /**    
+ * @addtogroup PID    
+ * @{    
+ */
+
+/**    
+* @brief  Reset function for the Q31 PID Control.   
+* @param[in] *S	Instance pointer of PID control data structure.   
+* @return none.    
+* \par Description:   
+* The function resets the state buffer to zeros.    
+*/
+void arm_pid_reset_q31(
+  arm_pid_instance_q31 * S)
+{
+
+  /* Clear the state buffer.  The size will be always 3 samples */
+  memset(S->state, 0, 3u * sizeof(q31_t));
+}
+
+/**    
+ * @} end of PID group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_sin_cos_f32.c b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_sin_cos_f32.c
new file mode 100644
index 0000000000..8ee5f359dd
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_sin_cos_f32.c
@@ -0,0 +1,428 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_sin_cos_f32.c    
+*    
+* Description:	Sine and Cosine calculation for floating-point values.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupController    
+ */
+
+/**    
+ * @defgroup SinCos Sine Cosine   
+ *    
+ * Computes the trigonometric sine and cosine values using a combination of table lookup   
+ * and linear interpolation.     
+ * There are separate functions for Q31 and floating-point data types.   
+ * The input to the floating-point version is in degrees while the   
+ * fixed-point Q31 have a scaled input with the range   
+ * [-1 0.9999] mapping to [-180 179] degrees.   
+ *   
+ * The implementation is based on table lookup using 360 values together with linear interpolation.   
+ * The steps used are:   
+ *  -# Calculation of the nearest integer table index.   
+ *  -# Compute the fractional portion (fract) of the input.   
+ *  -# Fetch the value corresponding to \c index from sine table to \c y0 and also value from \c index+1 to \c y1.      
+ *  -# Sine value is computed as  *psinVal = y0 + (fract * (y1 - y0)).    
+ *  -# Fetch the value corresponding to \c index from cosine table to \c y0 and also value from \c index+1 to \c y1.      
+ *  -# Cosine value is computed as  *pcosVal = y0 + (fract * (y1 - y0)).    
+ */
+
+ /**    
+ * @addtogroup SinCos    
+ * @{    
+ */
+
+
+/**    
+* \par    
+* Cosine Table is generated from following loop    
+* 
for(i = 0; i < 360; i++)    
+* {    
+*    cosTable[i]= cos((i-180) * PI/180.0);    
+* } 
   
+*/
+
+static const float32_t cosTable[360] = {
+  -0.999847695156391270f, -0.999390827019095760f, -0.998629534754573830f,
+  -0.997564050259824200f, -0.996194698091745550f, -0.994521895368273290f,
+  -0.992546151641321980f, -0.990268068741570250f,
+  -0.987688340595137660f, -0.984807753012208020f, -0.981627183447663980f,
+  -0.978147600733805690f, -0.974370064785235250f, -0.970295726275996470f,
+  -0.965925826289068200f, -0.961261695938318670f,
+  -0.956304755963035440f, -0.951056516295153530f, -0.945518575599316740f,
+  -0.939692620785908320f, -0.933580426497201740f, -0.927183854566787310f,
+  -0.920504853452440150f, -0.913545457642600760f,
+  -0.906307787036649940f, -0.898794046299167040f, -0.891006524188367790f,
+  -0.882947592858926770f, -0.874619707139395740f, -0.866025403784438710f,
+  -0.857167300702112220f, -0.848048096156425960f,
+  -0.838670567945424160f, -0.829037572555041620f, -0.819152044288991580f,
+  -0.809016994374947340f, -0.798635510047292940f, -0.788010753606721900f,
+  -0.777145961456970680f, -0.766044443118977900f,
+  -0.754709580222772010f, -0.743144825477394130f, -0.731353701619170460f,
+  -0.719339800338651300f, -0.707106781186547460f, -0.694658370458997030f,
+  -0.681998360062498370f, -0.669130606358858240f,
+  -0.656059028990507500f, -0.642787609686539360f, -0.629320391049837280f,
+  -0.615661475325658290f, -0.601815023152048380f, -0.587785252292473030f,
+  -0.573576436351045830f, -0.559192903470746680f,
+  -0.544639035015027080f, -0.529919264233204790f, -0.515038074910054270f,
+  -0.499999999999999780f, -0.484809620246337000f, -0.469471562785890530f,
+  -0.453990499739546750f, -0.438371146789077510f,
+  -0.422618261740699330f, -0.406736643075800100f, -0.390731128489273600f,
+  -0.374606593415912070f, -0.358367949545300270f, -0.342020143325668710f,
+  -0.325568154457156420f, -0.309016994374947340f,
+  -0.292371704722736660f, -0.275637355816999050f, -0.258819045102520850f,
+  -0.241921895599667790f, -0.224951054343864810f, -0.207911690817759120f,
+  -0.190808995376544800f, -0.173648177666930300f,
+  -0.156434465040231040f, -0.139173100960065350f, -0.121869343405147370f,
+  -0.104528463267653330f, -0.087155742747658235f, -0.069756473744125330f,
+  -0.052335956242943620f, -0.034899496702500733f,
+  -0.017452406437283477f, 0.000000000000000061f, 0.017452406437283376f,
+  0.034899496702501080f, 0.052335956242943966f, 0.069756473744125455f,
+  0.087155742747658138f, 0.104528463267653460f,
+  0.121869343405147490f, 0.139173100960065690f, 0.156434465040230920f,
+  0.173648177666930410f, 0.190808995376544920f, 0.207911690817759450f,
+  0.224951054343864920f, 0.241921895599667900f,
+  0.258819045102520740f, 0.275637355816999160f, 0.292371704722736770f,
+  0.309016994374947450f, 0.325568154457156760f, 0.342020143325668820f,
+  0.358367949545300380f, 0.374606593415911960f,
+  0.390731128489273940f, 0.406736643075800210f, 0.422618261740699440f,
+  0.438371146789077460f, 0.453990499739546860f, 0.469471562785890860f,
+  0.484809620246337110f, 0.500000000000000110f,
+  0.515038074910054380f, 0.529919264233204900f, 0.544639035015027200f,
+  0.559192903470746790f, 0.573576436351046050f, 0.587785252292473140f,
+  0.601815023152048270f, 0.615661475325658290f,
+  0.629320391049837500f, 0.642787609686539360f, 0.656059028990507280f,
+  0.669130606358858240f, 0.681998360062498480f, 0.694658370458997370f,
+  0.707106781186547570f, 0.719339800338651190f,
+  0.731353701619170570f, 0.743144825477394240f, 0.754709580222772010f,
+  0.766044443118978010f, 0.777145961456970900f, 0.788010753606722010f,
+  0.798635510047292830f, 0.809016994374947450f,
+  0.819152044288991800f, 0.829037572555041620f, 0.838670567945424050f,
+  0.848048096156425960f, 0.857167300702112330f, 0.866025403784438710f,
+  0.874619707139395740f, 0.882947592858926990f,
+  0.891006524188367900f, 0.898794046299167040f, 0.906307787036649940f,
+  0.913545457642600870f, 0.920504853452440370f, 0.927183854566787420f,
+  0.933580426497201740f, 0.939692620785908430f,
+  0.945518575599316850f, 0.951056516295153530f, 0.956304755963035440f,
+  0.961261695938318890f, 0.965925826289068310f, 0.970295726275996470f,
+  0.974370064785235250f, 0.978147600733805690f,
+  0.981627183447663980f, 0.984807753012208020f, 0.987688340595137770f,
+  0.990268068741570360f, 0.992546151641321980f, 0.994521895368273290f,
+  0.996194698091745550f, 0.997564050259824200f,
+  0.998629534754573830f, 0.999390827019095760f, 0.999847695156391270f,
+  1.000000000000000000f, 0.999847695156391270f, 0.999390827019095760f,
+  0.998629534754573830f, 0.997564050259824200f,
+  0.996194698091745550f, 0.994521895368273290f, 0.992546151641321980f,
+  0.990268068741570360f, 0.987688340595137770f, 0.984807753012208020f,
+  0.981627183447663980f, 0.978147600733805690f,
+  0.974370064785235250f, 0.970295726275996470f, 0.965925826289068310f,
+  0.961261695938318890f, 0.956304755963035440f, 0.951056516295153530f,
+  0.945518575599316850f, 0.939692620785908430f,
+  0.933580426497201740f, 0.927183854566787420f, 0.920504853452440370f,
+  0.913545457642600870f, 0.906307787036649940f, 0.898794046299167040f,
+  0.891006524188367900f, 0.882947592858926990f,
+  0.874619707139395740f, 0.866025403784438710f, 0.857167300702112330f,
+  0.848048096156425960f, 0.838670567945424050f, 0.829037572555041620f,
+  0.819152044288991800f, 0.809016994374947450f,
+  0.798635510047292830f, 0.788010753606722010f, 0.777145961456970900f,
+  0.766044443118978010f, 0.754709580222772010f, 0.743144825477394240f,
+  0.731353701619170570f, 0.719339800338651190f,
+  0.707106781186547570f, 0.694658370458997370f, 0.681998360062498480f,
+  0.669130606358858240f, 0.656059028990507280f, 0.642787609686539360f,
+  0.629320391049837500f, 0.615661475325658290f,
+  0.601815023152048270f, 0.587785252292473140f, 0.573576436351046050f,
+  0.559192903470746790f, 0.544639035015027200f, 0.529919264233204900f,
+  0.515038074910054380f, 0.500000000000000110f,
+  0.484809620246337110f, 0.469471562785890860f, 0.453990499739546860f,
+  0.438371146789077460f, 0.422618261740699440f, 0.406736643075800210f,
+  0.390731128489273940f, 0.374606593415911960f,
+  0.358367949545300380f, 0.342020143325668820f, 0.325568154457156760f,
+  0.309016994374947450f, 0.292371704722736770f, 0.275637355816999160f,
+  0.258819045102520740f, 0.241921895599667900f,
+  0.224951054343864920f, 0.207911690817759450f, 0.190808995376544920f,
+  0.173648177666930410f, 0.156434465040230920f, 0.139173100960065690f,
+  0.121869343405147490f, 0.104528463267653460f,
+  0.087155742747658138f, 0.069756473744125455f, 0.052335956242943966f,
+  0.034899496702501080f, 0.017452406437283376f, 0.000000000000000061f,
+  -0.017452406437283477f, -0.034899496702500733f,
+  -0.052335956242943620f, -0.069756473744125330f, -0.087155742747658235f,
+  -0.104528463267653330f, -0.121869343405147370f, -0.139173100960065350f,
+  -0.156434465040231040f, -0.173648177666930300f,
+  -0.190808995376544800f, -0.207911690817759120f, -0.224951054343864810f,
+  -0.241921895599667790f, -0.258819045102520850f, -0.275637355816999050f,
+  -0.292371704722736660f, -0.309016994374947340f,
+  -0.325568154457156420f, -0.342020143325668710f, -0.358367949545300270f,
+  -0.374606593415912070f, -0.390731128489273600f, -0.406736643075800100f,
+  -0.422618261740699330f, -0.438371146789077510f,
+  -0.453990499739546750f, -0.469471562785890530f, -0.484809620246337000f,
+  -0.499999999999999780f, -0.515038074910054270f, -0.529919264233204790f,
+  -0.544639035015027080f, -0.559192903470746680f,
+  -0.573576436351045830f, -0.587785252292473030f, -0.601815023152048380f,
+  -0.615661475325658290f, -0.629320391049837280f, -0.642787609686539360f,
+  -0.656059028990507500f, -0.669130606358858240f,
+  -0.681998360062498370f, -0.694658370458997030f, -0.707106781186547460f,
+  -0.719339800338651300f, -0.731353701619170460f, -0.743144825477394130f,
+  -0.754709580222772010f, -0.766044443118977900f,
+  -0.777145961456970680f, -0.788010753606721900f, -0.798635510047292940f,
+  -0.809016994374947340f, -0.819152044288991580f, -0.829037572555041620f,
+  -0.838670567945424160f, -0.848048096156425960f,
+  -0.857167300702112220f, -0.866025403784438710f, -0.874619707139395740f,
+  -0.882947592858926770f, -0.891006524188367790f, -0.898794046299167040f,
+  -0.906307787036649940f, -0.913545457642600760f,
+  -0.920504853452440150f, -0.927183854566787310f, -0.933580426497201740f,
+  -0.939692620785908320f, -0.945518575599316740f, -0.951056516295153530f,
+  -0.956304755963035440f, -0.961261695938318670f,
+  -0.965925826289068200f, -0.970295726275996470f, -0.974370064785235250f,
+  -0.978147600733805690f, -0.981627183447663980f, -0.984807753012208020f,
+  -0.987688340595137660f, -0.990268068741570250f,
+  -0.992546151641321980f, -0.994521895368273290f, -0.996194698091745550f,
+  -0.997564050259824200f, -0.998629534754573830f, -0.999390827019095760f,
+  -0.999847695156391270f, -1.000000000000000000f
+};
+
+/**    
+* \par    
+* Sine Table is generated from following loop    
+* 
for(i = 0; i < 360; i++)    
+* {    
+*    sinTable[i]= sin((i-180) * PI/180.0);    
+* } 
    
+*/
+
+
+static const float32_t sinTable[360] = {
+  -0.017452406437283439f, -0.034899496702500699f, -0.052335956242943807f,
+  -0.069756473744125524f, -0.087155742747658638f, -0.104528463267653730f,
+  -0.121869343405147550f, -0.139173100960065740f,
+  -0.156434465040230980f, -0.173648177666930280f, -0.190808995376544970f,
+  -0.207911690817759310f, -0.224951054343864780f, -0.241921895599667730f,
+  -0.258819045102521020f, -0.275637355816999660f,
+  -0.292371704722737050f, -0.309016994374947510f, -0.325568154457156980f,
+  -0.342020143325668880f, -0.358367949545300210f, -0.374606593415912240f,
+  -0.390731128489274160f, -0.406736643075800430f,
+  -0.422618261740699500f, -0.438371146789077290f, -0.453990499739546860f,
+  -0.469471562785891080f, -0.484809620246337170f, -0.499999999999999940f,
+  -0.515038074910054380f, -0.529919264233204900f,
+  -0.544639035015026860f, -0.559192903470746900f, -0.573576436351046380f,
+  -0.587785252292473250f, -0.601815023152048160f, -0.615661475325658400f,
+  -0.629320391049837720f, -0.642787609686539470f,
+  -0.656059028990507280f, -0.669130606358858350f, -0.681998360062498590f,
+  -0.694658370458997140f, -0.707106781186547570f, -0.719339800338651410f,
+  -0.731353701619170570f, -0.743144825477394240f,
+  -0.754709580222771790f, -0.766044443118978010f, -0.777145961456971010f,
+  -0.788010753606722010f, -0.798635510047292720f, -0.809016994374947450f,
+  -0.819152044288992020f, -0.829037572555041740f,
+  -0.838670567945424050f, -0.848048096156426070f, -0.857167300702112330f,
+  -0.866025403784438710f, -0.874619707139395850f, -0.882947592858927100f,
+  -0.891006524188367900f, -0.898794046299166930f,
+  -0.906307787036650050f, -0.913545457642600980f, -0.920504853452440370f,
+  -0.927183854566787420f, -0.933580426497201740f, -0.939692620785908430f,
+  -0.945518575599316850f, -0.951056516295153640f,
+  -0.956304755963035550f, -0.961261695938318890f, -0.965925826289068310f,
+  -0.970295726275996470f, -0.974370064785235250f, -0.978147600733805690f,
+  -0.981627183447663980f, -0.984807753012208020f,
+  -0.987688340595137660f, -0.990268068741570360f, -0.992546151641322090f,
+  -0.994521895368273400f, -0.996194698091745550f, -0.997564050259824200f,
+  -0.998629534754573830f, -0.999390827019095760f,
+  -0.999847695156391270f, -1.000000000000000000f, -0.999847695156391270f,
+  -0.999390827019095760f, -0.998629534754573830f, -0.997564050259824200f,
+  -0.996194698091745550f, -0.994521895368273290f,
+  -0.992546151641321980f, -0.990268068741570250f, -0.987688340595137770f,
+  -0.984807753012208020f, -0.981627183447663980f, -0.978147600733805580f,
+  -0.974370064785235250f, -0.970295726275996470f,
+  -0.965925826289068310f, -0.961261695938318890f, -0.956304755963035440f,
+  -0.951056516295153530f, -0.945518575599316740f, -0.939692620785908320f,
+  -0.933580426497201740f, -0.927183854566787420f,
+  -0.920504853452440260f, -0.913545457642600870f, -0.906307787036649940f,
+  -0.898794046299167040f, -0.891006524188367790f, -0.882947592858926880f,
+  -0.874619707139395740f, -0.866025403784438600f,
+  -0.857167300702112220f, -0.848048096156426070f, -0.838670567945423940f,
+  -0.829037572555041740f, -0.819152044288991800f, -0.809016994374947450f,
+  -0.798635510047292830f, -0.788010753606722010f,
+  -0.777145961456970790f, -0.766044443118978010f, -0.754709580222772010f,
+  -0.743144825477394240f, -0.731353701619170460f, -0.719339800338651080f,
+  -0.707106781186547460f, -0.694658370458997250f,
+  -0.681998360062498480f, -0.669130606358858240f, -0.656059028990507160f,
+  -0.642787609686539250f, -0.629320391049837390f, -0.615661475325658180f,
+  -0.601815023152048270f, -0.587785252292473140f,
+  -0.573576436351046050f, -0.559192903470746900f, -0.544639035015027080f,
+  -0.529919264233204900f, -0.515038074910054160f, -0.499999999999999940f,
+  -0.484809620246337060f, -0.469471562785890810f,
+  -0.453990499739546750f, -0.438371146789077400f, -0.422618261740699440f,
+  -0.406736643075800150f, -0.390731128489273720f, -0.374606593415912010f,
+  -0.358367949545300270f, -0.342020143325668710f,
+  -0.325568154457156640f, -0.309016994374947400f, -0.292371704722736770f,
+  -0.275637355816999160f, -0.258819045102520740f, -0.241921895599667730f,
+  -0.224951054343865000f, -0.207911690817759310f,
+  -0.190808995376544800f, -0.173648177666930330f, -0.156434465040230870f,
+  -0.139173100960065440f, -0.121869343405147480f, -0.104528463267653460f,
+  -0.087155742747658166f, -0.069756473744125302f,
+  -0.052335956242943828f, -0.034899496702500969f, -0.017452406437283512f,
+  0.000000000000000000f, 0.017452406437283512f, 0.034899496702500969f,
+  0.052335956242943828f, 0.069756473744125302f,
+  0.087155742747658166f, 0.104528463267653460f, 0.121869343405147480f,
+  0.139173100960065440f, 0.156434465040230870f, 0.173648177666930330f,
+  0.190808995376544800f, 0.207911690817759310f,
+  0.224951054343865000f, 0.241921895599667730f, 0.258819045102520740f,
+  0.275637355816999160f, 0.292371704722736770f, 0.309016994374947400f,
+  0.325568154457156640f, 0.342020143325668710f,
+  0.358367949545300270f, 0.374606593415912010f, 0.390731128489273720f,
+  0.406736643075800150f, 0.422618261740699440f, 0.438371146789077400f,
+  0.453990499739546750f, 0.469471562785890810f,
+  0.484809620246337060f, 0.499999999999999940f, 0.515038074910054160f,
+  0.529919264233204900f, 0.544639035015027080f, 0.559192903470746900f,
+  0.573576436351046050f, 0.587785252292473140f,
+  0.601815023152048270f, 0.615661475325658180f, 0.629320391049837390f,
+  0.642787609686539250f, 0.656059028990507160f, 0.669130606358858240f,
+  0.681998360062498480f, 0.694658370458997250f,
+  0.707106781186547460f, 0.719339800338651080f, 0.731353701619170460f,
+  0.743144825477394240f, 0.754709580222772010f, 0.766044443118978010f,
+  0.777145961456970790f, 0.788010753606722010f,
+  0.798635510047292830f, 0.809016994374947450f, 0.819152044288991800f,
+  0.829037572555041740f, 0.838670567945423940f, 0.848048096156426070f,
+  0.857167300702112220f, 0.866025403784438600f,
+  0.874619707139395740f, 0.882947592858926880f, 0.891006524188367790f,
+  0.898794046299167040f, 0.906307787036649940f, 0.913545457642600870f,
+  0.920504853452440260f, 0.927183854566787420f,
+  0.933580426497201740f, 0.939692620785908320f, 0.945518575599316740f,
+  0.951056516295153530f, 0.956304755963035440f, 0.961261695938318890f,
+  0.965925826289068310f, 0.970295726275996470f,
+  0.974370064785235250f, 0.978147600733805580f, 0.981627183447663980f,
+  0.984807753012208020f, 0.987688340595137770f, 0.990268068741570250f,
+  0.992546151641321980f, 0.994521895368273290f,
+  0.996194698091745550f, 0.997564050259824200f, 0.998629534754573830f,
+  0.999390827019095760f, 0.999847695156391270f, 1.000000000000000000f,
+  0.999847695156391270f, 0.999390827019095760f,
+  0.998629534754573830f, 0.997564050259824200f, 0.996194698091745550f,
+  0.994521895368273400f, 0.992546151641322090f, 0.990268068741570360f,
+  0.987688340595137660f, 0.984807753012208020f,
+  0.981627183447663980f, 0.978147600733805690f, 0.974370064785235250f,
+  0.970295726275996470f, 0.965925826289068310f, 0.961261695938318890f,
+  0.956304755963035550f, 0.951056516295153640f,
+  0.945518575599316850f, 0.939692620785908430f, 0.933580426497201740f,
+  0.927183854566787420f, 0.920504853452440370f, 0.913545457642600980f,
+  0.906307787036650050f, 0.898794046299166930f,
+  0.891006524188367900f, 0.882947592858927100f, 0.874619707139395850f,
+  0.866025403784438710f, 0.857167300702112330f, 0.848048096156426070f,
+  0.838670567945424050f, 0.829037572555041740f,
+  0.819152044288992020f, 0.809016994374947450f, 0.798635510047292720f,
+  0.788010753606722010f, 0.777145961456971010f, 0.766044443118978010f,
+  0.754709580222771790f, 0.743144825477394240f,
+  0.731353701619170570f, 0.719339800338651410f, 0.707106781186547570f,
+  0.694658370458997140f, 0.681998360062498590f, 0.669130606358858350f,
+  0.656059028990507280f, 0.642787609686539470f,
+  0.629320391049837720f, 0.615661475325658400f, 0.601815023152048160f,
+  0.587785252292473250f, 0.573576436351046380f, 0.559192903470746900f,
+  0.544639035015026860f, 0.529919264233204900f,
+  0.515038074910054380f, 0.499999999999999940f, 0.484809620246337170f,
+  0.469471562785891080f, 0.453990499739546860f, 0.438371146789077290f,
+  0.422618261740699500f, 0.406736643075800430f,
+  0.390731128489274160f, 0.374606593415912240f, 0.358367949545300210f,
+  0.342020143325668880f, 0.325568154457156980f, 0.309016994374947510f,
+  0.292371704722737050f, 0.275637355816999660f,
+  0.258819045102521020f, 0.241921895599667730f, 0.224951054343864780f,
+  0.207911690817759310f, 0.190808995376544970f, 0.173648177666930280f,
+  0.156434465040230980f, 0.139173100960065740f,
+  0.121869343405147550f, 0.104528463267653730f, 0.087155742747658638f,
+  0.069756473744125524f, 0.052335956242943807f, 0.034899496702500699f,
+  0.017452406437283439f, 0.000000000000000122f
+};
+
+
+/**    
+ * @brief  Floating-point sin_cos function.   
+ * @param[in]  theta    input value in degrees    
+ * @param[out] *pSinVal points to the processed sine output.    
+ * @param[out] *pCosVal points to the processed cos output.    
+ * @return none.   
+ */
+
+
+void arm_sin_cos_f32(
+  float32_t theta,
+  float32_t * pSinVal,
+  float32_t * pCosVal)
+{
+  int32_t i;                                     /* Index for reading nearwst output values */
+  float32_t x1 = -179.0f;                        /* Initial input value */
+  float32_t y0, y1;                              /* nearest output values */
+  float32_t y2, y3;
+  float32_t fract;                               /* fractional part of input */
+
+  /* Calculation of fractional part */
+  if(theta > 0.0f)
+  {
+    fract = theta - (float32_t) ((int32_t) theta);
+  }
+  else
+  {
+    fract = (theta - (float32_t) ((int32_t) theta)) + 1.0f;
+  }
+
+  /* index calculation for reading nearest output values */
+  i = (uint32_t) (theta - x1);
+
+  /* Checking min and max index of table */
+  if(i < 0)
+  {
+    i = 0;
+  }
+  else if(i >= 359)
+  {
+    i = 358;
+  }
+
+  /* reading nearest sine output values */
+  y0 = sinTable[i];
+  y1 = sinTable[i + 1u];
+
+  /* reading nearest cosine output values */
+  y2 = cosTable[i];
+  y3 = cosTable[i + 1u];
+
+  y1 = y1 - y0;
+  y3 = y3 - y2;
+
+  y1 = fract * y1;
+  y3 = fract * y3;
+
+  /* Calculation of sine value */
+  *pSinVal = y0 + y1;
+
+  /* Calculation of cosine value */
+  *pCosVal = y2 + y3;
+
+}
+
+/**    
+ * @} end of SinCos group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_sin_cos_q31.c b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_sin_cos_q31.c
new file mode 100644
index 0000000000..e4c8373672
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/ControllerFunctions/arm_sin_cos_q31.c
@@ -0,0 +1,324 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_sin_cos_q31.c    
+*    
+* Description:	Cosine & Sine calculation for Q31 values.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupController    
+ */
+
+ /**    
+ * @addtogroup SinCos    
+ * @{    
+ */
+
+/**    
+* \par    
+* Sine Table is generated from following loop    
+* 
for(i = 0; i < 360; i++)    
+* {    
+*    sinTable[i]= sin((i-180) * PI/180.0);    
+* } 
   
+* Convert above coefficients to fixed point 1.31 format.    
+*/
+
+static const int32_t sinTableQ31[360] = {
+
+  0x0, 0xfdc41e9b, 0xfb8869ce, 0xf94d0e2e, 0xf7123849, 0xf4d814a4, 0xf29ecfb2,
+  0xf06695da,
+  0xee2f9369, 0xebf9f498, 0xe9c5e582, 0xe7939223, 0xe5632654, 0xe334cdc9,
+  0xe108b40d, 0xdedf047d,
+  0xdcb7ea46, 0xda939061, 0xd8722192, 0xd653c860, 0xd438af17, 0xd220ffc0,
+  0xd00ce422, 0xcdfc85bb,
+  0xcbf00dbe, 0xc9e7a512, 0xc7e3744b, 0xc5e3a3a9, 0xc3e85b18, 0xc1f1c224,
+  0xc0000000, 0xbe133b7c,
+  0xbc2b9b05, 0xba4944a2, 0xb86c5df0, 0xb6950c1e, 0xb4c373ee, 0xb2f7b9af,
+  0xb1320139, 0xaf726def,
+  0xadb922b7, 0xac0641fb, 0xaa59eda4, 0xa8b4471a, 0xa7156f3c, 0xa57d8666,
+  0xa3ecac65, 0xa263007d,
+  0xa0e0a15f, 0x9f65ad2d, 0x9df24175, 0x9c867b2c, 0x9b2276b0, 0x99c64fc5,
+  0x98722192, 0x9726069c,
+  0x95e218c9, 0x94a6715d, 0x937328f5, 0x92485786, 0x9126145f, 0x900c7621,
+  0x8efb92c2, 0x8df37f8b,
+  0x8cf45113, 0x8bfe1b3f, 0x8b10f144, 0x8a2ce59f, 0x89520a1a, 0x88806fc4,
+  0x87b826f7, 0x86f93f50,
+  0x8643c7b3, 0x8597ce46, 0x84f56073, 0x845c8ae3, 0x83cd5982, 0x8347d77b,
+  0x82cc0f36, 0x825a0a5b,
+  0x81f1d1ce, 0x81936daf, 0x813ee55b, 0x80f43f69, 0x80b381ac, 0x807cb130,
+  0x804fd23a, 0x802ce84c,
+  0x8013f61d, 0x8004fda0, 0x80000000, 0x8004fda0, 0x8013f61d, 0x802ce84c,
+  0x804fd23a, 0x807cb130,
+  0x80b381ac, 0x80f43f69, 0x813ee55b, 0x81936daf, 0x81f1d1ce, 0x825a0a5b,
+  0x82cc0f36, 0x8347d77b,
+  0x83cd5982, 0x845c8ae3, 0x84f56073, 0x8597ce46, 0x8643c7b3, 0x86f93f50,
+  0x87b826f7, 0x88806fc4,
+  0x89520a1a, 0x8a2ce59f, 0x8b10f144, 0x8bfe1b3f, 0x8cf45113, 0x8df37f8b,
+  0x8efb92c2, 0x900c7621,
+  0x9126145f, 0x92485786, 0x937328f5, 0x94a6715d, 0x95e218c9, 0x9726069c,
+  0x98722192, 0x99c64fc5,
+  0x9b2276b0, 0x9c867b2c, 0x9df24175, 0x9f65ad2d, 0xa0e0a15f, 0xa263007d,
+  0xa3ecac65, 0xa57d8666,
+  0xa7156f3c, 0xa8b4471a, 0xaa59eda4, 0xac0641fb, 0xadb922b7, 0xaf726def,
+  0xb1320139, 0xb2f7b9af,
+  0xb4c373ee, 0xb6950c1e, 0xb86c5df0, 0xba4944a2, 0xbc2b9b05, 0xbe133b7c,
+  0xc0000000, 0xc1f1c224,
+  0xc3e85b18, 0xc5e3a3a9, 0xc7e3744b, 0xc9e7a512, 0xcbf00dbe, 0xcdfc85bb,
+  0xd00ce422, 0xd220ffc0,
+  0xd438af17, 0xd653c860, 0xd8722192, 0xda939061, 0xdcb7ea46, 0xdedf047d,
+  0xe108b40d, 0xe334cdc9,
+  0xe5632654, 0xe7939223, 0xe9c5e582, 0xebf9f498, 0xee2f9369, 0xf06695da,
+  0xf29ecfb2, 0xf4d814a4,
+  0xf7123849, 0xf94d0e2e, 0xfb8869ce, 0xfdc41e9b, 0x0, 0x23be165, 0x4779632,
+  0x6b2f1d2,
+  0x8edc7b7, 0xb27eb5c, 0xd61304e, 0xf996a26, 0x11d06c97, 0x14060b68,
+  0x163a1a7e, 0x186c6ddd,
+  0x1a9cd9ac, 0x1ccb3237, 0x1ef74bf3, 0x2120fb83, 0x234815ba, 0x256c6f9f,
+  0x278dde6e, 0x29ac37a0,
+  0x2bc750e9, 0x2ddf0040, 0x2ff31bde, 0x32037a45, 0x340ff242, 0x36185aee,
+  0x381c8bb5, 0x3a1c5c57,
+  0x3c17a4e8, 0x3e0e3ddc, 0x40000000, 0x41ecc484, 0x43d464fb, 0x45b6bb5e,
+  0x4793a210, 0x496af3e2,
+  0x4b3c8c12, 0x4d084651, 0x4ecdfec7, 0x508d9211, 0x5246dd49, 0x53f9be05,
+  0x55a6125c, 0x574bb8e6,
+  0x58ea90c4, 0x5a82799a, 0x5c13539b, 0x5d9cff83, 0x5f1f5ea1, 0x609a52d3,
+  0x620dbe8b, 0x637984d4,
+  0x64dd8950, 0x6639b03b, 0x678dde6e, 0x68d9f964, 0x6a1de737, 0x6b598ea3,
+  0x6c8cd70b, 0x6db7a87a,
+  0x6ed9eba1, 0x6ff389df, 0x71046d3e, 0x720c8075, 0x730baeed, 0x7401e4c1,
+  0x74ef0ebc, 0x75d31a61,
+  0x76adf5e6, 0x777f903c, 0x7847d909, 0x7906c0b0, 0x79bc384d, 0x7a6831ba,
+  0x7b0a9f8d, 0x7ba3751d,
+  0x7c32a67e, 0x7cb82885, 0x7d33f0ca, 0x7da5f5a5, 0x7e0e2e32, 0x7e6c9251,
+  0x7ec11aa5, 0x7f0bc097,
+  0x7f4c7e54, 0x7f834ed0, 0x7fb02dc6, 0x7fd317b4, 0x7fec09e3, 0x7ffb0260,
+  0x7fffffff, 0x7ffb0260,
+  0x7fec09e3, 0x7fd317b4, 0x7fb02dc6, 0x7f834ed0, 0x7f4c7e54, 0x7f0bc097,
+  0x7ec11aa5, 0x7e6c9251,
+  0x7e0e2e32, 0x7da5f5a5, 0x7d33f0ca, 0x7cb82885, 0x7c32a67e, 0x7ba3751d,
+  0x7b0a9f8d, 0x7a6831ba,
+  0x79bc384d, 0x7906c0b0, 0x7847d909, 0x777f903c, 0x76adf5e6, 0x75d31a61,
+  0x74ef0ebc, 0x7401e4c1,
+  0x730baeed, 0x720c8075, 0x71046d3e, 0x6ff389df, 0x6ed9eba1, 0x6db7a87a,
+  0x6c8cd70b, 0x6b598ea3,
+  0x6a1de737, 0x68d9f964, 0x678dde6e, 0x6639b03b, 0x64dd8950, 0x637984d4,
+  0x620dbe8b, 0x609a52d3,
+  0x5f1f5ea1, 0x5d9cff83, 0x5c13539b, 0x5a82799a, 0x58ea90c4, 0x574bb8e6,
+  0x55a6125c, 0x53f9be05,
+  0x5246dd49, 0x508d9211, 0x4ecdfec7, 0x4d084651, 0x4b3c8c12, 0x496af3e2,
+  0x4793a210, 0x45b6bb5e,
+  0x43d464fb, 0x41ecc484, 0x40000000, 0x3e0e3ddc, 0x3c17a4e8, 0x3a1c5c57,
+  0x381c8bb5, 0x36185aee,
+  0x340ff242, 0x32037a45, 0x2ff31bde, 0x2ddf0040, 0x2bc750e9, 0x29ac37a0,
+  0x278dde6e, 0x256c6f9f,
+  0x234815ba, 0x2120fb83, 0x1ef74bf3, 0x1ccb3237, 0x1a9cd9ac, 0x186c6ddd,
+  0x163a1a7e, 0x14060b68,
+  0x11d06c97, 0xf996a26, 0xd61304e, 0xb27eb5c, 0x8edc7b7, 0x6b2f1d2,
+  0x4779632, 0x23be165,
+
+
+};
+
+/**    
+* \par    
+* Cosine Table is generated from following loop    
+* 
for(i = 0; i < 360; i++)    
+* {    
+*    cosTable[i]= cos((i-180) * PI/180.0);    
+* } 
   
+* \par    
+* Convert above coefficients to fixed point 1.31 format.    
+*/
+static const int32_t cosTableQ31[360] = {
+  0x80000000, 0x8004fda0, 0x8013f61d, 0x802ce84c, 0x804fd23a, 0x807cb130,
+  0x80b381ac, 0x80f43f69,
+  0x813ee55b, 0x81936daf, 0x81f1d1ce, 0x825a0a5b, 0x82cc0f36, 0x8347d77b,
+  0x83cd5982, 0x845c8ae3,
+  0x84f56073, 0x8597ce46, 0x8643c7b3, 0x86f93f50, 0x87b826f7, 0x88806fc4,
+  0x89520a1a, 0x8a2ce59f,
+  0x8b10f144, 0x8bfe1b3f, 0x8cf45113, 0x8df37f8b, 0x8efb92c2, 0x900c7621,
+  0x9126145f, 0x92485786,
+  0x937328f5, 0x94a6715d, 0x95e218c9, 0x9726069c, 0x98722192, 0x99c64fc5,
+  0x9b2276b0, 0x9c867b2c,
+  0x9df24175, 0x9f65ad2d, 0xa0e0a15f, 0xa263007d, 0xa3ecac65, 0xa57d8666,
+  0xa7156f3c, 0xa8b4471a,
+  0xaa59eda4, 0xac0641fb, 0xadb922b7, 0xaf726def, 0xb1320139, 0xb2f7b9af,
+  0xb4c373ee, 0xb6950c1e,
+  0xb86c5df0, 0xba4944a2, 0xbc2b9b05, 0xbe133b7c, 0xc0000000, 0xc1f1c224,
+  0xc3e85b18, 0xc5e3a3a9,
+  0xc7e3744b, 0xc9e7a512, 0xcbf00dbe, 0xcdfc85bb, 0xd00ce422, 0xd220ffc0,
+  0xd438af17, 0xd653c860,
+  0xd8722192, 0xda939061, 0xdcb7ea46, 0xdedf047d, 0xe108b40d, 0xe334cdc9,
+  0xe5632654, 0xe7939223,
+  0xe9c5e582, 0xebf9f498, 0xee2f9369, 0xf06695da, 0xf29ecfb2, 0xf4d814a4,
+  0xf7123849, 0xf94d0e2e,
+  0xfb8869ce, 0xfdc41e9b, 0x0, 0x23be165, 0x4779632, 0x6b2f1d2, 0x8edc7b7,
+  0xb27eb5c,
+  0xd61304e, 0xf996a26, 0x11d06c97, 0x14060b68, 0x163a1a7e, 0x186c6ddd,
+  0x1a9cd9ac, 0x1ccb3237,
+  0x1ef74bf3, 0x2120fb83, 0x234815ba, 0x256c6f9f, 0x278dde6e, 0x29ac37a0,
+  0x2bc750e9, 0x2ddf0040,
+  0x2ff31bde, 0x32037a45, 0x340ff242, 0x36185aee, 0x381c8bb5, 0x3a1c5c57,
+  0x3c17a4e8, 0x3e0e3ddc,
+  0x40000000, 0x41ecc484, 0x43d464fb, 0x45b6bb5e, 0x4793a210, 0x496af3e2,
+  0x4b3c8c12, 0x4d084651,
+  0x4ecdfec7, 0x508d9211, 0x5246dd49, 0x53f9be05, 0x55a6125c, 0x574bb8e6,
+  0x58ea90c4, 0x5a82799a,
+  0x5c13539b, 0x5d9cff83, 0x5f1f5ea1, 0x609a52d3, 0x620dbe8b, 0x637984d4,
+  0x64dd8950, 0x6639b03b,
+  0x678dde6e, 0x68d9f964, 0x6a1de737, 0x6b598ea3, 0x6c8cd70b, 0x6db7a87a,
+  0x6ed9eba1, 0x6ff389df,
+  0x71046d3e, 0x720c8075, 0x730baeed, 0x7401e4c1, 0x74ef0ebc, 0x75d31a61,
+  0x76adf5e6, 0x777f903c,
+  0x7847d909, 0x7906c0b0, 0x79bc384d, 0x7a6831ba, 0x7b0a9f8d, 0x7ba3751d,
+  0x7c32a67e, 0x7cb82885,
+  0x7d33f0ca, 0x7da5f5a5, 0x7e0e2e32, 0x7e6c9251, 0x7ec11aa5, 0x7f0bc097,
+  0x7f4c7e54, 0x7f834ed0,
+  0x7fb02dc6, 0x7fd317b4, 0x7fec09e3, 0x7ffb0260, 0x7fffffff, 0x7ffb0260,
+  0x7fec09e3, 0x7fd317b4,
+  0x7fb02dc6, 0x7f834ed0, 0x7f4c7e54, 0x7f0bc097, 0x7ec11aa5, 0x7e6c9251,
+  0x7e0e2e32, 0x7da5f5a5,
+  0x7d33f0ca, 0x7cb82885, 0x7c32a67e, 0x7ba3751d, 0x7b0a9f8d, 0x7a6831ba,
+  0x79bc384d, 0x7906c0b0,
+  0x7847d909, 0x777f903c, 0x76adf5e6, 0x75d31a61, 0x74ef0ebc, 0x7401e4c1,
+  0x730baeed, 0x720c8075,
+  0x71046d3e, 0x6ff389df, 0x6ed9eba1, 0x6db7a87a, 0x6c8cd70b, 0x6b598ea3,
+  0x6a1de737, 0x68d9f964,
+  0x678dde6e, 0x6639b03b, 0x64dd8950, 0x637984d4, 0x620dbe8b, 0x609a52d3,
+  0x5f1f5ea1, 0x5d9cff83,
+  0x5c13539b, 0x5a82799a, 0x58ea90c4, 0x574bb8e6, 0x55a6125c, 0x53f9be05,
+  0x5246dd49, 0x508d9211,
+  0x4ecdfec7, 0x4d084651, 0x4b3c8c12, 0x496af3e2, 0x4793a210, 0x45b6bb5e,
+  0x43d464fb, 0x41ecc484,
+  0x40000000, 0x3e0e3ddc, 0x3c17a4e8, 0x3a1c5c57, 0x381c8bb5, 0x36185aee,
+  0x340ff242, 0x32037a45,
+  0x2ff31bde, 0x2ddf0040, 0x2bc750e9, 0x29ac37a0, 0x278dde6e, 0x256c6f9f,
+  0x234815ba, 0x2120fb83,
+  0x1ef74bf3, 0x1ccb3237, 0x1a9cd9ac, 0x186c6ddd, 0x163a1a7e, 0x14060b68,
+  0x11d06c97, 0xf996a26,
+  0xd61304e, 0xb27eb5c, 0x8edc7b7, 0x6b2f1d2, 0x4779632, 0x23be165, 0x0,
+  0xfdc41e9b,
+  0xfb8869ce, 0xf94d0e2e, 0xf7123849, 0xf4d814a4, 0xf29ecfb2, 0xf06695da,
+  0xee2f9369, 0xebf9f498,
+  0xe9c5e582, 0xe7939223, 0xe5632654, 0xe334cdc9, 0xe108b40d, 0xdedf047d,
+  0xdcb7ea46, 0xda939061,
+  0xd8722192, 0xd653c860, 0xd438af17, 0xd220ffc0, 0xd00ce422, 0xcdfc85bb,
+  0xcbf00dbe, 0xc9e7a512,
+  0xc7e3744b, 0xc5e3a3a9, 0xc3e85b18, 0xc1f1c224, 0xc0000000, 0xbe133b7c,
+  0xbc2b9b05, 0xba4944a2,
+  0xb86c5df0, 0xb6950c1e, 0xb4c373ee, 0xb2f7b9af, 0xb1320139, 0xaf726def,
+  0xadb922b7, 0xac0641fb,
+  0xaa59eda4, 0xa8b4471a, 0xa7156f3c, 0xa57d8666, 0xa3ecac65, 0xa263007d,
+  0xa0e0a15f, 0x9f65ad2d,
+  0x9df24175, 0x9c867b2c, 0x9b2276b0, 0x99c64fc5, 0x98722192, 0x9726069c,
+  0x95e218c9, 0x94a6715d,
+  0x937328f5, 0x92485786, 0x9126145f, 0x900c7621, 0x8efb92c2, 0x8df37f8b,
+  0x8cf45113, 0x8bfe1b3f,
+  0x8b10f144, 0x8a2ce59f, 0x89520a1a, 0x88806fc4, 0x87b826f7, 0x86f93f50,
+  0x8643c7b3, 0x8597ce46,
+  0x84f56073, 0x845c8ae3, 0x83cd5982, 0x8347d77b, 0x82cc0f36, 0x825a0a5b,
+  0x81f1d1ce, 0x81936daf,
+  0x813ee55b, 0x80f43f69, 0x80b381ac, 0x807cb130, 0x804fd23a, 0x802ce84c,
+  0x8013f61d, 0x8004fda0,
+
+};
+
+
+/**    
+ * @brief  Q31 sin_cos function.   
+ * @param[in]  theta    scaled input value in degrees    
+ * @param[out] *pSinVal points to the processed sine output.    
+ * @param[out] *pCosVal points to the processed cosine output.    
+ * @return none.   
+ *    
+ * The Q31 input value is in the range [-1 0.999999] and is mapped to a degree value in the range [-180 179].   
+ *    
+ */
+
+
+void arm_sin_cos_q31(
+  q31_t theta,
+  q31_t * pSinVal,
+  q31_t * pCosVal)
+{
+  q31_t x0;                                      /* Nearest input value */
+  q31_t y0, y1;                                  /* Nearest output values */
+  q31_t xSpacing = INPUT_SPACING;                /* Spaing between inputs */
+  int32_t i;                                     /* Index */
+  q31_t oneByXSpacing;                           /* 1/ xSpacing value */
+  q31_t out;                                     /* temporary variable */
+  uint32_t sign_bits;                            /* No.of sign bits */
+  uint32_t firstX = 0x80000000;                  /* First X value */
+
+  /* Calculation of index */
+  i = ((uint32_t) theta - firstX) / (uint32_t) xSpacing;
+
+  /* Checking min and max index of table */
+  if(i < 0)
+  {
+    i = 0;
+  }
+  else if(i >= 359)
+  {
+    i = 358;
+  }
+
+  /* Calculation of first nearest input value */
+  x0 = (q31_t) firstX + ((q31_t) i * xSpacing);
+
+  /* Reading nearest sine output values from table */
+  y0 = sinTableQ31[i];
+  y1 = sinTableQ31[i + 1u];
+
+  /* Calculation of 1/(x1-x0) */
+  /* (x1-x0) is xSpacing which is fixed value */
+  sign_bits = 8u;
+  oneByXSpacing = 0x5A000000;
+
+  /* Calculation of (theta - x0)/(x1-x0) */
+  out =
+    (((q31_t) (((q63_t) (theta - x0) * oneByXSpacing) >> 32)) << sign_bits);
+
+  /* Calculation of y0 + (y1 - y0) * ((theta - x0)/(x1-x0)) */
+  *pSinVal = __QADD(y0, ((q31_t) (((q63_t) (y1 - y0) * out) >> 30)));
+
+  /* Reading nearest cosine output values from table */
+  y0 = cosTableQ31[i];
+  y1 = cosTableQ31[i + 1u];
+
+  /* Calculation of y0 + (y1 - y0) * ((theta - x0)/(x1-x0)) */
+  *pCosVal = __QADD(y0, ((q31_t) (((q63_t) (y1 - y0) * out) >> 30)));
+
+}
+
+/**    
+ * @} end of SinCos group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_cos_f32.c b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_cos_f32.c
new file mode 100644
index 0000000000..b04aa02f54
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_cos_f32.c
@@ -0,0 +1,280 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_cos_f32.c    
+*    
+* Description:	Fast cosine calculation for floating-point values.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+/**    
+ * @ingroup groupFastMath    
+ */
+
+/**    
+ * @defgroup cos Cosine    
+ *    
+ * Computes the trigonometric cosine function using a combination of table lookup   
+ * and cubic interpolation.  There are separate functions for   
+ * Q15, Q31, and floating-point data types.   
+ * The input to the floating-point version is in radians while the   
+ * fixed-point Q15 and Q31 have a scaled input with the range   
+ * [0 +0.9999] mapping to [0 2*pi), Where range excludes 2*pi.   
+ *   
+ * The implementation is based on table lookup using 256 values together with cubic interpolation.   
+ * The steps used are:   
+ *  -# Calculation of the nearest integer table index   
+ *  -# Fetch the four table values a, b, c, and d     
+ *  -# Compute the fractional portion (fract) of the table index.   
+ *  -# Calculation of wa, wb, wc, wd    
+ *  -# The final result equals a*wa + b*wb + c*wc + d*wd   
+ *   
+ * where   
+ * 
    
+ *    a=Table[index-1];    
+ *    b=Table[index+0];    
+ *    c=Table[index+1];    
+ *    d=Table[index+2];    
+ * 
   
+ * and   
+ * 
    
+ *    wa=-(1/6)*fract.^3 + (1/2)*fract.^2 - (1/3)*fract;    
+ *    wb=(1/2)*fract.^3 - fract.^2 - (1/2)*fract + 1;    
+ *    wc=-(1/2)*fract.^3+(1/2)*fract.^2+fract;    
+ *    wd=(1/6)*fract.^3 - (1/6)*fract;    
+ * 
    
+ */
+
+ /**    
+ * @addtogroup cos    
+ * @{    
+ */
+
+
+/**    
+* \par    
+* Example code for Generation of Cos Table:   
+* tableSize = 256;    
+* 
for(n = -1; n < (tableSize + 2); n++)    
+* {    
+*	cosTable[n+1]= cos(2*pi*n/tableSize);    
+* } 
    
+* where pi value is  3.14159265358979    
+*/
+
+static const float32_t cosTable[260] = {
+  0.999698817729949950f, 1.000000000000000000f, 0.999698817729949950f,
+  0.998795449733734130f, 0.997290432453155520f, 0.995184719562530520f,
+  0.992479562759399410f, 0.989176511764526370f,
+  0.985277652740478520f, 0.980785250663757320f, 0.975702106952667240f,
+  0.970031261444091800f, 0.963776051998138430f, 0.956940352916717530f,
+  0.949528157711029050f, 0.941544055938720700f,
+  0.932992815971374510f, 0.923879504203796390f, 0.914209783077239990f,
+  0.903989315032958980f, 0.893224298954010010f, 0.881921291351318360f,
+  0.870086967945098880f, 0.857728600502014160f,
+  0.844853579998016360f, 0.831469595432281490f, 0.817584812641143800f,
+  0.803207516670227050f, 0.788346409797668460f, 0.773010432720184330f,
+  0.757208824157714840f, 0.740951120853424070f,
+  0.724247097969055180f, 0.707106769084930420f, 0.689540565013885500f,
+  0.671558976173400880f, 0.653172850608825680f, 0.634393274784088130f,
+  0.615231573581695560f, 0.595699310302734380f,
+  0.575808167457580570f, 0.555570244789123540f, 0.534997642040252690f,
+  0.514102756977081300f, 0.492898195981979370f, 0.471396744251251220f,
+  0.449611335992813110f, 0.427555084228515630f,
+  0.405241310596466060f, 0.382683426141738890f, 0.359895050525665280f,
+  0.336889863014221190f, 0.313681751489639280f, 0.290284663438797000f,
+  0.266712754964828490f, 0.242980182170867920f,
+  0.219101235270500180f, 0.195090323686599730f, 0.170961886644363400f,
+  0.146730467677116390f, 0.122410677373409270f, 0.098017141222953796f,
+  0.073564566671848297f, 0.049067676067352295f,
+  0.024541229009628296f, 0.000000000000000061f, -0.024541229009628296f,
+  -0.049067676067352295f, -0.073564566671848297f, -0.098017141222953796f,
+  -0.122410677373409270f, -0.146730467677116390f,
+  -0.170961886644363400f, -0.195090323686599730f, -0.219101235270500180f,
+  -0.242980182170867920f, -0.266712754964828490f, -0.290284663438797000f,
+  -0.313681751489639280f, -0.336889863014221190f,
+  -0.359895050525665280f, -0.382683426141738890f, -0.405241310596466060f,
+  -0.427555084228515630f, -0.449611335992813110f, -0.471396744251251220f,
+  -0.492898195981979370f, -0.514102756977081300f,
+  -0.534997642040252690f, -0.555570244789123540f, -0.575808167457580570f,
+  -0.595699310302734380f, -0.615231573581695560f, -0.634393274784088130f,
+  -0.653172850608825680f, -0.671558976173400880f,
+  -0.689540565013885500f, -0.707106769084930420f, -0.724247097969055180f,
+  -0.740951120853424070f, -0.757208824157714840f, -0.773010432720184330f,
+  -0.788346409797668460f, -0.803207516670227050f,
+  -0.817584812641143800f, -0.831469595432281490f, -0.844853579998016360f,
+  -0.857728600502014160f, -0.870086967945098880f, -0.881921291351318360f,
+  -0.893224298954010010f, -0.903989315032958980f,
+  -0.914209783077239990f, -0.923879504203796390f, -0.932992815971374510f,
+  -0.941544055938720700f, -0.949528157711029050f, -0.956940352916717530f,
+  -0.963776051998138430f, -0.970031261444091800f,
+  -0.975702106952667240f, -0.980785250663757320f, -0.985277652740478520f,
+  -0.989176511764526370f, -0.992479562759399410f, -0.995184719562530520f,
+  -0.997290432453155520f, -0.998795449733734130f,
+  -0.999698817729949950f, -1.000000000000000000f, -0.999698817729949950f,
+  -0.998795449733734130f, -0.997290432453155520f, -0.995184719562530520f,
+  -0.992479562759399410f, -0.989176511764526370f,
+  -0.985277652740478520f, -0.980785250663757320f, -0.975702106952667240f,
+  -0.970031261444091800f, -0.963776051998138430f, -0.956940352916717530f,
+  -0.949528157711029050f, -0.941544055938720700f,
+  -0.932992815971374510f, -0.923879504203796390f, -0.914209783077239990f,
+  -0.903989315032958980f, -0.893224298954010010f, -0.881921291351318360f,
+  -0.870086967945098880f, -0.857728600502014160f,
+  -0.844853579998016360f, -0.831469595432281490f, -0.817584812641143800f,
+  -0.803207516670227050f, -0.788346409797668460f, -0.773010432720184330f,
+  -0.757208824157714840f, -0.740951120853424070f,
+  -0.724247097969055180f, -0.707106769084930420f, -0.689540565013885500f,
+  -0.671558976173400880f, -0.653172850608825680f, -0.634393274784088130f,
+  -0.615231573581695560f, -0.595699310302734380f,
+  -0.575808167457580570f, -0.555570244789123540f, -0.534997642040252690f,
+  -0.514102756977081300f, -0.492898195981979370f, -0.471396744251251220f,
+  -0.449611335992813110f, -0.427555084228515630f,
+  -0.405241310596466060f, -0.382683426141738890f, -0.359895050525665280f,
+  -0.336889863014221190f, -0.313681751489639280f, -0.290284663438797000f,
+  -0.266712754964828490f, -0.242980182170867920f,
+  -0.219101235270500180f, -0.195090323686599730f, -0.170961886644363400f,
+  -0.146730467677116390f, -0.122410677373409270f, -0.098017141222953796f,
+  -0.073564566671848297f, -0.049067676067352295f,
+  -0.024541229009628296f, -0.000000000000000184f, 0.024541229009628296f,
+  0.049067676067352295f, 0.073564566671848297f, 0.098017141222953796f,
+  0.122410677373409270f, 0.146730467677116390f,
+  0.170961886644363400f, 0.195090323686599730f, 0.219101235270500180f,
+  0.242980182170867920f, 0.266712754964828490f, 0.290284663438797000f,
+  0.313681751489639280f, 0.336889863014221190f,
+  0.359895050525665280f, 0.382683426141738890f, 0.405241310596466060f,
+  0.427555084228515630f, 0.449611335992813110f, 0.471396744251251220f,
+  0.492898195981979370f, 0.514102756977081300f,
+  0.534997642040252690f, 0.555570244789123540f, 0.575808167457580570f,
+  0.595699310302734380f, 0.615231573581695560f, 0.634393274784088130f,
+  0.653172850608825680f, 0.671558976173400880f,
+  0.689540565013885500f, 0.707106769084930420f, 0.724247097969055180f,
+  0.740951120853424070f, 0.757208824157714840f, 0.773010432720184330f,
+  0.788346409797668460f, 0.803207516670227050f,
+  0.817584812641143800f, 0.831469595432281490f, 0.844853579998016360f,
+  0.857728600502014160f, 0.870086967945098880f, 0.881921291351318360f,
+  0.893224298954010010f, 0.903989315032958980f,
+  0.914209783077239990f, 0.923879504203796390f, 0.932992815971374510f,
+  0.941544055938720700f, 0.949528157711029050f, 0.956940352916717530f,
+  0.963776051998138430f, 0.970031261444091800f,
+  0.975702106952667240f, 0.980785250663757320f, 0.985277652740478520f,
+  0.989176511764526370f, 0.992479562759399410f, 0.995184719562530520f,
+  0.997290432453155520f, 0.998795449733734130f,
+  0.999698817729949950f, 1.000000000000000000f, 0.999698817729949950f,
+  0.998795449733734130f
+};
+
+/**   
+ * @brief  Fast approximation to the trigonometric cosine function for floating-point data.   
+ * @param[in] x input value in radians.   
+ * @return cos(x).   
+ */
+
+
+float32_t arm_cos_f32(
+  float32_t x)
+{
+  float32_t cosVal, fract, in;
+  int32_t index;
+  uint32_t tableSize = (uint32_t) TABLE_SIZE;
+  float32_t wa, wb, wc, wd;
+  float32_t a, b, c, d;
+  float32_t *tablePtr;
+  int32_t n;
+  float32_t fractsq, fractby2, fractby6, fractby3, fractsqby2;
+  float32_t oneminusfractby2;
+  float32_t frby2xfrsq, frby6xfrsq;
+
+  /* input x is in radians */
+  /* Scale the input to [0 1] range from [0 2*PI] , divide input by 2*pi */
+  in = x * 0.159154943092f;
+
+  /* Calculation of floor value of input */
+  n = (int32_t) in;
+
+  /* Make negative values towards -infinity */
+  if(x < 0.0f)
+  {
+    n = n - 1;
+  }
+
+  /* Map input value to [0 1] */
+  in = in - (float32_t) n;
+
+  /* Calculation of index of the table */
+  index = (uint32_t) (tableSize * in);
+
+  /* fractional value calculation */
+  fract = ((float32_t) tableSize * in) - (float32_t) index;
+
+  /* Checking min and max index of table */
+  if(index < 0)
+  {
+    index = 0;
+  }
+  else if(index > 256)
+  {
+    index = 256;
+  }
+
+  /* Initialise table pointer */
+  tablePtr = (float32_t *) & cosTable[index];
+
+  /* Read four nearest values of input value from the cos table */
+  a = tablePtr[0];
+  b = tablePtr[1];
+  c = tablePtr[2];
+  d = tablePtr[3];
+
+  /* Cubic interpolation process */
+  fractsq = fract * fract;
+  fractby2 = fract * 0.5f;
+  fractby6 = fract * 0.166666667f;
+  fractby3 = fract * 0.3333333333333f;
+  fractsqby2 = fractsq * 0.5f;
+  frby2xfrsq = (fractby2) * fractsq;
+  frby6xfrsq = (fractby6) * fractsq;
+  oneminusfractby2 = 1.0f - fractby2;
+  wb = fractsqby2 - fractby3;
+  wc = (fractsqby2 + fract);
+  wa = wb - frby6xfrsq;
+  wb = frby2xfrsq - fractsq;
+  cosVal = wa * a;
+  wc = wc - frby2xfrsq;
+  wd = (frby6xfrsq) - fractby6;
+  wb = wb + oneminusfractby2;
+
+  /* Calculate cos value */
+  cosVal = (cosVal + (b * wb)) + ((c * wc) + (d * wd));
+
+  /* Return the output value */
+  return (cosVal);
+
+}
+
+/**    
+ * @} end of cos group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_cos_q15.c b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_cos_q15.c
new file mode 100644
index 0000000000..12339fd75e
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_cos_q15.c
@@ -0,0 +1,205 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_cos_q15.c    
+*    
+* Description:	Fast cosine calculation for Q15 values.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFastMath    
+ */
+
+ /**    
+ * @addtogroup cos    
+ * @{    
+ */
+
+/**   
+* \par    
+* Table Values are in Q15(1.15 Fixed point format) and generation is done in three steps    
+* \par    
+* First Generate cos values in floating point:    
+* tableSize = 256;     
+* 
for(n = -1; n < (tableSize + 1); n++)    
+* {    
+*	cosTable[n+1]= cos(2*pi*n/tableSize);    
+* }
   
+* where pi value is  3.14159265358979    
+* \par    
+* Secondly Convert Floating point to Q15(Fixed point):    
+*	(cosTable[i] * pow(2, 15))    
+* \par    
+* Finally Rounding to nearest integer is done    
+* 	cosTable[i] += (cosTable[i] > 0 ? 0.5 :-0.5);    
+*/
+
+static const q15_t cosTableQ15[259] = {
+  0x7ff6, 0x7fff, 0x7ff6, 0x7fd9, 0x7fa7, 0x7f62, 0x7f0a, 0x7e9d,
+  0x7e1e, 0x7d8a, 0x7ce4, 0x7c2a, 0x7b5d, 0x7a7d, 0x798a, 0x7885,
+  0x776c, 0x7642, 0x7505, 0x73b6, 0x7255, 0x70e3, 0x6f5f, 0x6dca,
+  0x6c24, 0x6a6e, 0x68a7, 0x66d0, 0x64e9, 0x62f2, 0x60ec, 0x5ed7,
+  0x5cb4, 0x5a82, 0x5843, 0x55f6, 0x539b, 0x5134, 0x4ec0, 0x4c40,
+  0x49b4, 0x471d, 0x447b, 0x41ce, 0x3f17, 0x3c57, 0x398d, 0x36ba,
+  0x33df, 0x30fc, 0x2e11, 0x2b1f, 0x2827, 0x2528, 0x2224, 0x1f1a,
+  0x1c0c, 0x18f9, 0x15e2, 0x12c8, 0xfab, 0xc8c, 0x96b, 0x648,
+  0x324, 0x0, 0xfcdc, 0xf9b8, 0xf695, 0xf374, 0xf055, 0xed38,
+  0xea1e, 0xe707, 0xe3f4, 0xe0e6, 0xdddc, 0xdad8, 0xd7d9, 0xd4e1,
+  0xd1ef, 0xcf04, 0xcc21, 0xc946, 0xc673, 0xc3a9, 0xc0e9, 0xbe32,
+  0xbb85, 0xb8e3, 0xb64c, 0xb3c0, 0xb140, 0xaecc, 0xac65, 0xaa0a,
+  0xa7bd, 0xa57e, 0xa34c, 0xa129, 0x9f14, 0x9d0e, 0x9b17, 0x9930,
+  0x9759, 0x9592, 0x93dc, 0x9236, 0x90a1, 0x8f1d, 0x8dab, 0x8c4a,
+  0x8afb, 0x89be, 0x8894, 0x877b, 0x8676, 0x8583, 0x84a3, 0x83d6,
+  0x831c, 0x8276, 0x81e2, 0x8163, 0x80f6, 0x809e, 0x8059, 0x8027,
+  0x800a, 0x8000, 0x800a, 0x8027, 0x8059, 0x809e, 0x80f6, 0x8163,
+  0x81e2, 0x8276, 0x831c, 0x83d6, 0x84a3, 0x8583, 0x8676, 0x877b,
+  0x8894, 0x89be, 0x8afb, 0x8c4a, 0x8dab, 0x8f1d, 0x90a1, 0x9236,
+  0x93dc, 0x9592, 0x9759, 0x9930, 0x9b17, 0x9d0e, 0x9f14, 0xa129,
+  0xa34c, 0xa57e, 0xa7bd, 0xaa0a, 0xac65, 0xaecc, 0xb140, 0xb3c0,
+  0xb64c, 0xb8e3, 0xbb85, 0xbe32, 0xc0e9, 0xc3a9, 0xc673, 0xc946,
+  0xcc21, 0xcf04, 0xd1ef, 0xd4e1, 0xd7d9, 0xdad8, 0xdddc, 0xe0e6,
+  0xe3f4, 0xe707, 0xea1e, 0xed38, 0xf055, 0xf374, 0xf695, 0xf9b8,
+  0xfcdc, 0x0, 0x324, 0x648, 0x96b, 0xc8c, 0xfab, 0x12c8,
+  0x15e2, 0x18f9, 0x1c0c, 0x1f1a, 0x2224, 0x2528, 0x2827, 0x2b1f,
+  0x2e11, 0x30fc, 0x33df, 0x36ba, 0x398d, 0x3c57, 0x3f17, 0x41ce,
+  0x447b, 0x471d, 0x49b4, 0x4c40, 0x4ec0, 0x5134, 0x539b, 0x55f6,
+  0x5843, 0x5a82, 0x5cb4, 0x5ed7, 0x60ec, 0x62f2, 0x64e9, 0x66d0,
+  0x68a7, 0x6a6e, 0x6c24, 0x6dca, 0x6f5f, 0x70e3, 0x7255, 0x73b6,
+  0x7505, 0x7642, 0x776c, 0x7885, 0x798a, 0x7a7d, 0x7b5d, 0x7c2a,
+  0x7ce4, 0x7d8a, 0x7e1e, 0x7e9d, 0x7f0a, 0x7f62, 0x7fa7, 0x7fd9,
+  0x7ff6, 0x7fff, 0x7ff6
+};
+
+
+/**   
+ * @brief Fast approximation to the trigonometric cosine function for Q15 data.   
+ * @param[in] x Scaled input value in radians.   
+ * @return  cos(x).   
+ *   
+ * The Q15 input value is in the range [0 +0.9999] and is mapped to a radian value in the range [0 2*pi), Here range excludes 2*pi.   
+ */
+
+q15_t arm_cos_q15(
+  q15_t x)
+{
+  q31_t cosVal;                                  /* Temporary variable for output */
+  q15_t *tablePtr;                               /* Pointer to table */
+  q15_t in, in2;                                 /* Temporary variables for input */
+  q31_t wa, wb, wc, wd;                          /* Cubic interpolation coefficients */
+  q15_t a, b, c, d;                              /* Four nearest output values */
+  q15_t fract, fractCube, fractSquare;           /* Variables for fractional value */
+  q15_t oneBy6 = 0x1555;                         /* Fixed point value of 1/6 */
+  q15_t tableSpacing = TABLE_SPACING_Q15;        /* Table spacing */
+  int32_t index;                                 /* Index variable */
+
+  in = x;
+
+  /* Calculate the nearest index */
+  index = (int32_t) in / tableSpacing;
+
+  /* Calculate the nearest value of input */
+  in2 = (q15_t) index *tableSpacing;
+
+  /* Calculation of fractional value */
+  fract = (in - in2) << 8;
+
+  /* fractSquare = fract * fract */
+  fractSquare = (q15_t) ((fract * fract) >> 15);
+
+  /* fractCube = fract * fract * fract */
+  fractCube = (q15_t) ((fractSquare * fract) >> 15);
+
+  /* Checking min and max index of table */
+  if(index < 0)
+  {
+    index = 0;
+  }
+  else if(index > 256)
+  {
+    index = 256;
+  }
+
+  /* Initialise table pointer */
+  tablePtr = (q15_t *) & cosTableQ15[index];
+
+  /* Cubic interpolation process */
+  /* Calculation of wa */
+  /* wa = -(oneBy6)*fractCube + (fractSquare >> 1u) - (0x2AAA)*fract; */
+  wa = (q31_t) oneBy6 *fractCube;
+  wa += (q31_t) 0x2AAA *fract;
+  wa = -(wa >> 15);
+  wa += (fractSquare >> 1u);
+
+  /* Read first nearest value of output from the cos table */
+  a = *tablePtr++;
+
+  /* cosVal = a * wa */
+  cosVal = a * wa;
+
+  /* Calculation of wb */
+  wb = (((fractCube >> 1u) - fractSquare) - (fract >> 1u)) + 0x7FFF;
+
+  /* Read second nearest value of output from the cos table */
+  b = *tablePtr++;
+
+  /*      cosVal += b*wb */
+  cosVal += b * wb;
+
+  /* Calculation of wc */
+  wc = -(q31_t) fractCube + fractSquare;
+  wc = (wc >> 1u) + fract;
+
+  /* Read third nearest value of output from the cos table */
+  c = *tablePtr++;
+
+  /* cosVal += c*wc */
+  cosVal += c * wc;
+
+  /* Calculation of wd */
+  /* wd = (oneBy6)*fractCube - (oneBy6)*fract; */
+  fractCube = fractCube - fract;
+  wd = ((q15_t) (((q31_t) oneBy6 * fractCube) >> 15));
+
+  /* Read fourth nearest value of output from the cos table */
+  d = *tablePtr++;
+
+  /* cosVal += d*wd; */
+  cosVal += d * wd;
+
+  /* Convert output value in 1.15(q15) format and saturate */
+  cosVal = __SSAT((cosVal >> 15), 16);
+
+  /* Return the output value in 1.15(q15) format */
+  return ((q15_t) cosVal);
+
+}
+
+/**    
+ * @} end of cos group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_cos_q31.c b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_cos_q31.c
new file mode 100644
index 0000000000..10ecedb41a
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_cos_q31.c
@@ -0,0 +1,239 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_cos_q31.c    
+*    
+* Description:	Fast cosine calculation for Q31 values.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFastMath    
+ */
+
+ /**    
+ * @addtogroup cos    
+ * @{    
+ */
+
+/**    
+ * \par    
+ * Table Values are in Q31(1.31 Fixed point format) and generation is done in three steps    
+ * First Generate cos values in floating point:    
+ * tableSize = 256;      
+ * 
for(n = -1; n < (tableSize + 1); n++)    
+ * {    
+ *	cosTable[n+1]= cos(2*pi*n/tableSize);    
+ * } 
     
+ * where pi value is  3.14159265358979    
+ * \par    
+ * Secondly Convert Floating point to Q31(Fixed point):    
+ *	(cosTable[i] * pow(2, 31))    
+ * \par    
+ * Finally Rounding to nearest integer is done    
+ * 	cosTable[i] += (cosTable[i] > 0 ? 0.5 :-0.5);    
+ */
+
+
+static const q31_t cosTableQ31[259] = {
+  0x7ff62182, 0x7fffffff, 0x7ff62182, 0x7fd8878e, 0x7fa736b4, 0x7f62368f,
+  0x7f0991c4, 0x7e9d55fc,
+  0x7e1d93ea, 0x7d8a5f40, 0x7ce3ceb2, 0x7c29fbee, 0x7b5d039e, 0x7a7d055b,
+  0x798a23b1, 0x78848414,
+  0x776c4edb, 0x7641af3d, 0x7504d345, 0x73b5ebd1, 0x72552c85, 0x70e2cbc6,
+  0x6f5f02b2, 0x6dca0d14,
+  0x6c242960, 0x6a6d98a4, 0x68a69e81, 0x66cf8120, 0x64e88926, 0x62f201ac,
+  0x60ec3830, 0x5ed77c8a,
+  0x5cb420e0, 0x5a82799a, 0x5842dd54, 0x55f5a4d2, 0x539b2af0, 0x5133cc94,
+  0x4ebfe8a5, 0x4c3fdff4,
+  0x49b41533, 0x471cece7, 0x447acd50, 0x41ce1e65, 0x3f1749b8, 0x3c56ba70,
+  0x398cdd32, 0x36ba2014,
+  0x33def287, 0x30fbc54d, 0x2e110a62, 0x2b1f34eb, 0x2826b928, 0x25280c5e,
+  0x2223a4c5, 0x1f19f97b,
+  0x1c0b826a, 0x18f8b83c, 0x15e21445, 0x12c8106f, 0xfab272b, 0xc8bd35e,
+  0x96a9049, 0x647d97c,
+  0x3242abf, 0x0, 0xfcdbd541, 0xf9b82684, 0xf6956fb7, 0xf3742ca2, 0xf054d8d5,
+  0xed37ef91,
+  0xea1debbb, 0xe70747c4, 0xe3f47d96, 0xe0e60685, 0xdddc5b3b, 0xdad7f3a2,
+  0xd7d946d8, 0xd4e0cb15,
+  0xd1eef59e, 0xcf043ab3, 0xcc210d79, 0xc945dfec, 0xc67322ce, 0xc3a94590,
+  0xc0e8b648, 0xbe31e19b,
+  0xbb8532b0, 0xb8e31319, 0xb64beacd, 0xb3c0200c, 0xb140175b, 0xaecc336c,
+  0xac64d510, 0xaa0a5b2e,
+  0xa7bd22ac, 0xa57d8666, 0xa34bdf20, 0xa1288376, 0x9f13c7d0, 0x9d0dfe54,
+  0x9b1776da, 0x99307ee0,
+  0x9759617f, 0x9592675c, 0x93dbd6a0, 0x9235f2ec, 0x90a0fd4e, 0x8f1d343a,
+  0x8daad37b, 0x8c4a142f,
+  0x8afb2cbb, 0x89be50c3, 0x8893b125, 0x877b7bec, 0x8675dc4f, 0x8582faa5,
+  0x84a2fc62, 0x83d60412,
+  0x831c314e, 0x8275a0c0, 0x81e26c16, 0x8162aa04, 0x80f66e3c, 0x809dc971,
+  0x8058c94c, 0x80277872,
+  0x8009de7e, 0x80000000, 0x8009de7e, 0x80277872, 0x8058c94c, 0x809dc971,
+  0x80f66e3c, 0x8162aa04,
+  0x81e26c16, 0x8275a0c0, 0x831c314e, 0x83d60412, 0x84a2fc62, 0x8582faa5,
+  0x8675dc4f, 0x877b7bec,
+  0x8893b125, 0x89be50c3, 0x8afb2cbb, 0x8c4a142f, 0x8daad37b, 0x8f1d343a,
+  0x90a0fd4e, 0x9235f2ec,
+  0x93dbd6a0, 0x9592675c, 0x9759617f, 0x99307ee0, 0x9b1776da, 0x9d0dfe54,
+  0x9f13c7d0, 0xa1288376,
+  0xa34bdf20, 0xa57d8666, 0xa7bd22ac, 0xaa0a5b2e, 0xac64d510, 0xaecc336c,
+  0xb140175b, 0xb3c0200c,
+  0xb64beacd, 0xb8e31319, 0xbb8532b0, 0xbe31e19b, 0xc0e8b648, 0xc3a94590,
+  0xc67322ce, 0xc945dfec,
+  0xcc210d79, 0xcf043ab3, 0xd1eef59e, 0xd4e0cb15, 0xd7d946d8, 0xdad7f3a2,
+  0xdddc5b3b, 0xe0e60685,
+  0xe3f47d96, 0xe70747c4, 0xea1debbb, 0xed37ef91, 0xf054d8d5, 0xf3742ca2,
+  0xf6956fb7, 0xf9b82684,
+  0xfcdbd541, 0x0, 0x3242abf, 0x647d97c, 0x96a9049, 0xc8bd35e, 0xfab272b,
+  0x12c8106f,
+  0x15e21445, 0x18f8b83c, 0x1c0b826a, 0x1f19f97b, 0x2223a4c5, 0x25280c5e,
+  0x2826b928, 0x2b1f34eb,
+  0x2e110a62, 0x30fbc54d, 0x33def287, 0x36ba2014, 0x398cdd32, 0x3c56ba70,
+  0x3f1749b8, 0x41ce1e65,
+  0x447acd50, 0x471cece7, 0x49b41533, 0x4c3fdff4, 0x4ebfe8a5, 0x5133cc94,
+  0x539b2af0, 0x55f5a4d2,
+  0x5842dd54, 0x5a82799a, 0x5cb420e0, 0x5ed77c8a, 0x60ec3830, 0x62f201ac,
+  0x64e88926, 0x66cf8120,
+  0x68a69e81, 0x6a6d98a4, 0x6c242960, 0x6dca0d14, 0x6f5f02b2, 0x70e2cbc6,
+  0x72552c85, 0x73b5ebd1,
+  0x7504d345, 0x7641af3d, 0x776c4edb, 0x78848414, 0x798a23b1, 0x7a7d055b,
+  0x7b5d039e, 0x7c29fbee,
+  0x7ce3ceb2, 0x7d8a5f40, 0x7e1d93ea, 0x7e9d55fc, 0x7f0991c4, 0x7f62368f,
+  0x7fa736b4, 0x7fd8878e,
+  0x7ff62182, 0x7fffffff, 0x7ff62182
+};
+
+/**   
+ * @brief Fast approximation to the trigonometric cosine function for Q31 data.   
+ * @param[in] x Scaled input value in radians.   
+ * @return  cos(x).   
+ *   
+ * The Q31 input value is in the range [0 +0.9999] and is mapped to a radian value in the range [0 2*pi), Here range excludes 2*pi.   
+ */
+
+q31_t arm_cos_q31(
+  q31_t x)
+{
+  q31_t cosVal, in, in2;                         /* Temporary variables for input, output */
+  q31_t wa, wb, wc, wd;                          /* Cubic interpolation coefficients */
+  q31_t a, b, c, d;                              /* Four nearest output values */
+  q31_t *tablePtr;                               /* Pointer to table */
+  q31_t fract, fractCube, fractSquare;           /* Temporary values for fractional values */
+  q31_t oneBy6 = 0x15555555;                     /* Fixed point value of 1/6 */
+  q31_t tableSpacing = TABLE_SPACING_Q31;        /* Table spacing */
+  q31_t temp;                                    /* Temporary variable for intermediate process */
+  int32_t index;                                 /* Index variable */
+
+  in = x;
+
+  /* Calculate the nearest index */
+  index = in / tableSpacing;
+
+  /* Calculate the nearest value of input */
+  in2 = ((q31_t) index) * tableSpacing;
+
+  /* Calculation of fractional value */
+  fract = (in - in2) << 8;
+
+  /* fractSquare = fract * fract */
+  fractSquare = ((q31_t) (((q63_t) fract * fract) >> 32));
+  fractSquare = fractSquare << 1;
+
+  /* fractCube = fract * fract * fract */
+  fractCube = ((q31_t) (((q63_t) fractSquare * fract) >> 32));
+  fractCube = fractCube << 1;
+
+  /* Checking min and max index of table */
+  if(index < 0)
+  {
+    index = 0;
+  }
+  else if(index > 256)
+  {
+    index = 256;
+  }
+
+  /* Initialise table pointer */
+  tablePtr = (q31_t *) & cosTableQ31[index];
+
+  /* Cubic interpolation process */
+  /* Calculation of wa */
+  /* wa = -(oneBy6)*fractCube + (fractSquare >> 1u) - (0x2AAAAAAA)*fract; */
+  wa = ((q31_t) (((q63_t) oneBy6 * fractCube) >> 32));
+  temp = 0x2AAAAAAA;
+  wa = (q31_t) ((((q63_t) wa << 32) + ((q63_t) temp * fract)) >> 32);
+  wa = -(wa << 1u);
+  wa += (fractSquare >> 1u);
+
+  /* Read first nearest value of output from the cos table */
+  a = *tablePtr++;
+
+  /* cosVal = a*wa */
+  cosVal = ((q31_t) (((q63_t) a * wa) >> 32));
+
+  /* q31(1.31) Fixed point value of 1 */
+  temp = 0x7FFFFFFF;
+
+  /* Calculation of wb */
+  wb = ((fractCube >> 1u) - (fractSquare + (fract >> 1u))) + temp;
+  /* Read second nearest value of output from the cos table */
+  b = *tablePtr++;
+
+  /*      cosVal += b*wb */
+  cosVal = (q31_t) ((((q63_t) cosVal << 32) + ((q63_t) b * (wb))) >> 32);
+
+  /* Calculation of wc */
+  wc = -fractCube + fractSquare;
+  wc = (wc >> 1u) + fract;
+  /* Read third nearest values of output value from the cos table */
+  c = *tablePtr++;
+
+  /*      cosVal += c*wc */
+  cosVal = (q31_t) ((((q63_t) cosVal << 32) + ((q63_t) c * (wc))) >> 32);
+
+  /* Calculation of wd */
+  /* wd = (oneBy6)*fractCube - (oneBy6)*fract; */
+  fractCube = fractCube - fract;
+  wd = ((q31_t) (((q63_t) oneBy6 * fractCube) >> 32));
+  wd = (wd << 1u);
+
+  /* Read fourth nearest value of output from the cos table */
+  d = *tablePtr++;
+
+  /* cosVal += d*wd; */
+  cosVal = (q31_t) ((((q63_t) cosVal << 32) + ((q63_t) d * (wd))) >> 32);
+
+
+  /* convert cosVal in 2.30 format to 1.31 format */
+  return (__QADD(cosVal, cosVal));
+
+}
+
+/**    
+ * @} end of cos group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sin_f32.c b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sin_f32.c
new file mode 100644
index 0000000000..bbbdd6c6c9
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sin_f32.c
@@ -0,0 +1,281 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_sin_f32.c    
+*    
+* Description:	Fast sine calculation for floating-point values.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFastMath    
+ */
+
+/**    
+ * @defgroup sin Sine    
+ *    
+ * Computes the trigonometric sine function using a combination of table lookup   
+ * and cubic interpolation.  There are separate functions for   
+ * Q15, Q31, and floating-point data types.   
+ * The input to the floating-point version is in radians while the   
+ * fixed-point Q15 and Q31 have a scaled input with the range   
+ * [0 +0.9999] mapping to [0 2*pi), Where range excludes 2*pi.   
+ *   
+ * The implementation is based on table lookup using 256 values together with cubic interpolation.   
+ * The steps used are:   
+ *  -# Calculation of the nearest integer table index   
+ *  -# Fetch the four table values a, b, c, and d     
+ *  -# Compute the fractional portion (fract) of the table index.   
+ *  -# Calculation of wa, wb, wc, wd    
+ *  -# The final result equals a*wa + b*wb + c*wc + d*wd   
+ *   
+ * where   
+ * 
    
+ *    a=Table[index-1];    
+ *    b=Table[index+0];    
+ *    c=Table[index+1];    
+ *    d=Table[index+2];    
+ * 
   
+ * and   
+ * 
    
+ *    wa=-(1/6)*fract.^3 + (1/2)*fract.^2 - (1/3)*fract;    
+ *    wb=(1/2)*fract.^3 - fract.^2 - (1/2)*fract + 1;    
+ *    wc=-(1/2)*fract.^3+(1/2)*fract.^2+fract;    
+ *    wd=(1/6)*fract.^3 - (1/6)*fract;    
+ * 
    
+ */
+
+/**    
+ * @addtogroup sin    
+ * @{    
+ */
+
+
+/**   
+ * \par    
+ * Example code for Generation of Floating-point Sin Table:   
+ * tableSize = 256;    
+ * 
for(n = -1; n < (tableSize + 1); n++)    
+ * {    
+ *	sinTable[n+1]=sin(2*pi*n/tableSize);    
+ * }
    
+ * \par    
+ * where pi value is  3.14159265358979    
+ */
+
+static const float32_t sinTable[259] = {
+  -0.024541229009628296f, 0.000000000000000000f, 0.024541229009628296f,
+  0.049067676067352295f, 0.073564566671848297f, 0.098017141222953796f,
+  0.122410677373409270f, 0.146730467677116390f,
+  0.170961886644363400f, 0.195090323686599730f, 0.219101235270500180f,
+  0.242980182170867920f, 0.266712754964828490f, 0.290284663438797000f,
+  0.313681751489639280f, 0.336889863014221190f,
+  0.359895050525665280f, 0.382683426141738890f, 0.405241310596466060f,
+  0.427555084228515630f, 0.449611335992813110f, 0.471396744251251220f,
+  0.492898195981979370f, 0.514102756977081300f,
+  0.534997642040252690f, 0.555570244789123540f, 0.575808167457580570f,
+  0.595699310302734380f, 0.615231573581695560f, 0.634393274784088130f,
+  0.653172850608825680f, 0.671558976173400880f,
+  0.689540565013885500f, 0.707106769084930420f, 0.724247097969055180f,
+  0.740951120853424070f, 0.757208824157714840f, 0.773010432720184330f,
+  0.788346409797668460f, 0.803207516670227050f,
+  0.817584812641143800f, 0.831469595432281490f, 0.844853579998016360f,
+  0.857728600502014160f, 0.870086967945098880f, 0.881921291351318360f,
+  0.893224298954010010f, 0.903989315032958980f,
+  0.914209783077239990f, 0.923879504203796390f, 0.932992815971374510f,
+  0.941544055938720700f, 0.949528157711029050f, 0.956940352916717530f,
+  0.963776051998138430f, 0.970031261444091800f,
+  0.975702106952667240f, 0.980785250663757320f, 0.985277652740478520f,
+  0.989176511764526370f, 0.992479562759399410f, 0.995184719562530520f,
+  0.997290432453155520f, 0.998795449733734130f,
+  0.999698817729949950f, 1.000000000000000000f, 0.999698817729949950f,
+  0.998795449733734130f, 0.997290432453155520f, 0.995184719562530520f,
+  0.992479562759399410f, 0.989176511764526370f,
+  0.985277652740478520f, 0.980785250663757320f, 0.975702106952667240f,
+  0.970031261444091800f, 0.963776051998138430f, 0.956940352916717530f,
+  0.949528157711029050f, 0.941544055938720700f,
+  0.932992815971374510f, 0.923879504203796390f, 0.914209783077239990f,
+  0.903989315032958980f, 0.893224298954010010f, 0.881921291351318360f,
+  0.870086967945098880f, 0.857728600502014160f,
+  0.844853579998016360f, 0.831469595432281490f, 0.817584812641143800f,
+  0.803207516670227050f, 0.788346409797668460f, 0.773010432720184330f,
+  0.757208824157714840f, 0.740951120853424070f,
+  0.724247097969055180f, 0.707106769084930420f, 0.689540565013885500f,
+  0.671558976173400880f, 0.653172850608825680f, 0.634393274784088130f,
+  0.615231573581695560f, 0.595699310302734380f,
+  0.575808167457580570f, 0.555570244789123540f, 0.534997642040252690f,
+  0.514102756977081300f, 0.492898195981979370f, 0.471396744251251220f,
+  0.449611335992813110f, 0.427555084228515630f,
+  0.405241310596466060f, 0.382683426141738890f, 0.359895050525665280f,
+  0.336889863014221190f, 0.313681751489639280f, 0.290284663438797000f,
+  0.266712754964828490f, 0.242980182170867920f,
+  0.219101235270500180f, 0.195090323686599730f, 0.170961886644363400f,
+  0.146730467677116390f, 0.122410677373409270f, 0.098017141222953796f,
+  0.073564566671848297f, 0.049067676067352295f,
+  0.024541229009628296f, 0.000000000000000122f, -0.024541229009628296f,
+  -0.049067676067352295f, -0.073564566671848297f, -0.098017141222953796f,
+  -0.122410677373409270f, -0.146730467677116390f,
+  -0.170961886644363400f, -0.195090323686599730f, -0.219101235270500180f,
+  -0.242980182170867920f, -0.266712754964828490f, -0.290284663438797000f,
+  -0.313681751489639280f, -0.336889863014221190f,
+  -0.359895050525665280f, -0.382683426141738890f, -0.405241310596466060f,
+  -0.427555084228515630f, -0.449611335992813110f, -0.471396744251251220f,
+  -0.492898195981979370f, -0.514102756977081300f,
+  -0.534997642040252690f, -0.555570244789123540f, -0.575808167457580570f,
+  -0.595699310302734380f, -0.615231573581695560f, -0.634393274784088130f,
+  -0.653172850608825680f, -0.671558976173400880f,
+  -0.689540565013885500f, -0.707106769084930420f, -0.724247097969055180f,
+  -0.740951120853424070f, -0.757208824157714840f, -0.773010432720184330f,
+  -0.788346409797668460f, -0.803207516670227050f,
+  -0.817584812641143800f, -0.831469595432281490f, -0.844853579998016360f,
+  -0.857728600502014160f, -0.870086967945098880f, -0.881921291351318360f,
+  -0.893224298954010010f, -0.903989315032958980f,
+  -0.914209783077239990f, -0.923879504203796390f, -0.932992815971374510f,
+  -0.941544055938720700f, -0.949528157711029050f, -0.956940352916717530f,
+  -0.963776051998138430f, -0.970031261444091800f,
+  -0.975702106952667240f, -0.980785250663757320f, -0.985277652740478520f,
+  -0.989176511764526370f, -0.992479562759399410f, -0.995184719562530520f,
+  -0.997290432453155520f, -0.998795449733734130f,
+  -0.999698817729949950f, -1.000000000000000000f, -0.999698817729949950f,
+  -0.998795449733734130f, -0.997290432453155520f, -0.995184719562530520f,
+  -0.992479562759399410f, -0.989176511764526370f,
+  -0.985277652740478520f, -0.980785250663757320f, -0.975702106952667240f,
+  -0.970031261444091800f, -0.963776051998138430f, -0.956940352916717530f,
+  -0.949528157711029050f, -0.941544055938720700f,
+  -0.932992815971374510f, -0.923879504203796390f, -0.914209783077239990f,
+  -0.903989315032958980f, -0.893224298954010010f, -0.881921291351318360f,
+  -0.870086967945098880f, -0.857728600502014160f,
+  -0.844853579998016360f, -0.831469595432281490f, -0.817584812641143800f,
+  -0.803207516670227050f, -0.788346409797668460f, -0.773010432720184330f,
+  -0.757208824157714840f, -0.740951120853424070f,
+  -0.724247097969055180f, -0.707106769084930420f, -0.689540565013885500f,
+  -0.671558976173400880f, -0.653172850608825680f, -0.634393274784088130f,
+  -0.615231573581695560f, -0.595699310302734380f,
+  -0.575808167457580570f, -0.555570244789123540f, -0.534997642040252690f,
+  -0.514102756977081300f, -0.492898195981979370f, -0.471396744251251220f,
+  -0.449611335992813110f, -0.427555084228515630f,
+  -0.405241310596466060f, -0.382683426141738890f, -0.359895050525665280f,
+  -0.336889863014221190f, -0.313681751489639280f, -0.290284663438797000f,
+  -0.266712754964828490f, -0.242980182170867920f,
+  -0.219101235270500180f, -0.195090323686599730f, -0.170961886644363400f,
+  -0.146730467677116390f, -0.122410677373409270f, -0.098017141222953796f,
+  -0.073564566671848297f, -0.049067676067352295f,
+  -0.024541229009628296f, -0.000000000000000245f, 0.024541229009628296f
+};
+
+
+/**   
+ * @brief  Fast approximation to the trigonometric sine function for floating-point data.   
+ * @param[in] x input value in radians.   
+ * @return  sin(x).   
+ */
+
+float32_t arm_sin_f32(
+  float32_t x)
+{
+  float32_t sinVal, fract, in;                   /* Temporary variables for input, output */
+  int32_t index;                                 /* Index variable */
+  uint32_t tableSize = (uint32_t) TABLE_SIZE;    /* Initialise tablesize */
+  float32_t wa, wb, wc, wd;                      /* Cubic interpolation coefficients */
+  float32_t a, b, c, d;                          /* Four nearest output values */
+  float32_t *tablePtr;                           /* Pointer to table */
+  int32_t n;
+  float32_t fractsq, fractby2, fractby6, fractby3, fractsqby2;
+  float32_t oneminusfractby2;
+  float32_t frby2xfrsq, frby6xfrsq;
+
+  /* input x is in radians */
+  /* Scale the input to [0 1] range from [0 2*PI] , divide input by 2*pi */
+  in = x * 0.159154943092f;
+
+  /* Calculation of floor value of input */
+  n = (int32_t) in;
+
+  /* Make negative values towards -infinity */
+  if(x < 0.0f)
+  {
+    n = n - 1;
+  }
+
+  /* Map input value to [0 1] */
+  in = in - (float32_t) n;
+
+  /* Calculation of index of the table */
+  index = (uint32_t) (tableSize * in);
+
+  /* fractional value calculation */
+  fract = ((float32_t) tableSize * in) - (float32_t) index;
+
+  /* Checking min and max index of table */
+  if(index < 0)
+  {
+    index = 0;
+  }
+  else if(index > 256)
+  {
+    index = 256;
+  }
+
+  /* Initialise table pointer */
+  tablePtr = (float32_t *) & sinTable[index];
+
+  /* Read four nearest values of input value from the sin table */
+  a = tablePtr[0];
+  b = tablePtr[1];
+  c = tablePtr[2];
+  d = tablePtr[3];
+
+  /* Cubic interpolation process */
+  fractsq = fract * fract;
+  fractby2 = fract * 0.5f;
+  fractby6 = fract * 0.166666667f;
+  fractby3 = fract * 0.3333333333333f;
+  fractsqby2 = fractsq * 0.5f;
+  frby2xfrsq = (fractby2) * fractsq;
+  frby6xfrsq = (fractby6) * fractsq;
+  oneminusfractby2 = 1.0f - fractby2;
+  wb = fractsqby2 - fractby3;
+  wc = (fractsqby2 + fract);
+  wa = wb - frby6xfrsq;
+  wb = frby2xfrsq - fractsq;
+  sinVal = wa * a;
+  wc = wc - frby2xfrsq;
+  wd = (frby6xfrsq) - fractby6;
+  wb = wb + oneminusfractby2;
+
+  /* Calculate sin value */
+  sinVal = (sinVal + (b * wb)) + ((c * wc) + (d * wd));
+
+  /* Return the output value */
+  return (sinVal);
+
+}
+
+/**    
+ * @} end of sin group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sin_q15.c b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sin_q15.c
new file mode 100644
index 0000000000..5eb35652ca
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sin_q15.c
@@ -0,0 +1,208 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_sin_q15.c    
+*    
+* Description:	Fast sine calculation for Q15 values.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFastMath    
+ */
+
+ /**    
+ * @addtogroup sin    
+ * @{    
+ */
+
+
+/**    
+ * \par    
+ * Example code for Generation of Q15 Sin Table:   
+ * \par    
+ * 
tableSize = 256;    
+ * for(n = -1; n < (tableSize + 1); n++)    
+ * {    
+ *	sinTable[n+1]=sin(2*pi*n/tableSize);    
+ * } 
    
+ * where pi value is  3.14159265358979    
+ * \par    
+ * Convert Floating point to Q15(Fixed point):    
+ *	(sinTable[i] * pow(2, 15))    
+ * \par    
+ * rounding to nearest integer is done    
+ * 	sinTable[i] += (sinTable[i] > 0 ? 0.5 :-0.5);    
+ */
+
+
+static const q15_t sinTableQ15[259] = {
+  0xfcdc, 0x0, 0x324, 0x648, 0x96b, 0xc8c, 0xfab, 0x12c8,
+  0x15e2, 0x18f9, 0x1c0c, 0x1f1a, 0x2224, 0x2528, 0x2827, 0x2b1f,
+  0x2e11, 0x30fc, 0x33df, 0x36ba, 0x398d, 0x3c57, 0x3f17, 0x41ce,
+  0x447b, 0x471d, 0x49b4, 0x4c40, 0x4ec0, 0x5134, 0x539b, 0x55f6,
+  0x5843, 0x5a82, 0x5cb4, 0x5ed7, 0x60ec, 0x62f2, 0x64e9, 0x66d0,
+  0x68a7, 0x6a6e, 0x6c24, 0x6dca, 0x6f5f, 0x70e3, 0x7255, 0x73b6,
+  0x7505, 0x7642, 0x776c, 0x7885, 0x798a, 0x7a7d, 0x7b5d, 0x7c2a,
+  0x7ce4, 0x7d8a, 0x7e1e, 0x7e9d, 0x7f0a, 0x7f62, 0x7fa7, 0x7fd9,
+  0x7ff6, 0x7fff, 0x7ff6, 0x7fd9, 0x7fa7, 0x7f62, 0x7f0a, 0x7e9d,
+  0x7e1e, 0x7d8a, 0x7ce4, 0x7c2a, 0x7b5d, 0x7a7d, 0x798a, 0x7885,
+  0x776c, 0x7642, 0x7505, 0x73b6, 0x7255, 0x70e3, 0x6f5f, 0x6dca,
+  0x6c24, 0x6a6e, 0x68a7, 0x66d0, 0x64e9, 0x62f2, 0x60ec, 0x5ed7,
+  0x5cb4, 0x5a82, 0x5843, 0x55f6, 0x539b, 0x5134, 0x4ec0, 0x4c40,
+  0x49b4, 0x471d, 0x447b, 0x41ce, 0x3f17, 0x3c57, 0x398d, 0x36ba,
+  0x33df, 0x30fc, 0x2e11, 0x2b1f, 0x2827, 0x2528, 0x2224, 0x1f1a,
+  0x1c0c, 0x18f9, 0x15e2, 0x12c8, 0xfab, 0xc8c, 0x96b, 0x648,
+  0x324, 0x0, 0xfcdc, 0xf9b8, 0xf695, 0xf374, 0xf055, 0xed38,
+  0xea1e, 0xe707, 0xe3f4, 0xe0e6, 0xdddc, 0xdad8, 0xd7d9, 0xd4e1,
+  0xd1ef, 0xcf04, 0xcc21, 0xc946, 0xc673, 0xc3a9, 0xc0e9, 0xbe32,
+  0xbb85, 0xb8e3, 0xb64c, 0xb3c0, 0xb140, 0xaecc, 0xac65, 0xaa0a,
+  0xa7bd, 0xa57e, 0xa34c, 0xa129, 0x9f14, 0x9d0e, 0x9b17, 0x9930,
+  0x9759, 0x9592, 0x93dc, 0x9236, 0x90a1, 0x8f1d, 0x8dab, 0x8c4a,
+  0x8afb, 0x89be, 0x8894, 0x877b, 0x8676, 0x8583, 0x84a3, 0x83d6,
+  0x831c, 0x8276, 0x81e2, 0x8163, 0x80f6, 0x809e, 0x8059, 0x8027,
+  0x800a, 0x8000, 0x800a, 0x8027, 0x8059, 0x809e, 0x80f6, 0x8163,
+  0x81e2, 0x8276, 0x831c, 0x83d6, 0x84a3, 0x8583, 0x8676, 0x877b,
+  0x8894, 0x89be, 0x8afb, 0x8c4a, 0x8dab, 0x8f1d, 0x90a1, 0x9236,
+  0x93dc, 0x9592, 0x9759, 0x9930, 0x9b17, 0x9d0e, 0x9f14, 0xa129,
+  0xa34c, 0xa57e, 0xa7bd, 0xaa0a, 0xac65, 0xaecc, 0xb140, 0xb3c0,
+  0xb64c, 0xb8e3, 0xbb85, 0xbe32, 0xc0e9, 0xc3a9, 0xc673, 0xc946,
+  0xcc21, 0xcf04, 0xd1ef, 0xd4e1, 0xd7d9, 0xdad8, 0xdddc, 0xe0e6,
+  0xe3f4, 0xe707, 0xea1e, 0xed38, 0xf055, 0xf374, 0xf695, 0xf9b8,
+  0xfcdc, 0x0, 0x324
+};
+
+
+/**   
+ * @brief Fast approximation to the trigonometric sine function for Q15 data.   
+ * @param[in] x Scaled input value in radians.   
+ * @return  sin(x).   
+ *   
+ * The Q15 input value is in the range [0 +0.9999] and is mapped to a radian value in the range [0 2*pi), Here range excludes 2*pi.   
+ */
+
+q15_t arm_sin_q15(
+  q15_t x)
+{
+  q31_t sinVal;                                  /* Temporary variables output */
+  q15_t *tablePtr;                               /* Pointer to table */
+  q15_t fract, in, in2;                          /* Temporary variables for input, output */
+  q31_t wa, wb, wc, wd;                          /* Cubic interpolation coefficients */
+  q15_t a, b, c, d;                              /* Four nearest output values */
+  q15_t fractCube, fractSquare;                  /* Temporary values for fractional value */
+  q15_t oneBy6 = 0x1555;                         /* Fixed point value of 1/6 */
+  q15_t tableSpacing = TABLE_SPACING_Q15;        /* Table spacing */
+  int32_t index;                                 /* Index variable */
+
+  in = x;
+
+  /* Calculate the nearest index */
+  index = (int32_t) in / tableSpacing;
+
+  /* Calculate the nearest value of input */
+  in2 = (q15_t) ((index) * tableSpacing);
+
+  /* Calculation of fractional value */
+  fract = (in - in2) << 8;
+
+  /* fractSquare = fract * fract */
+  fractSquare = (q15_t) ((fract * fract) >> 15);
+
+  /* fractCube = fract * fract * fract */
+  fractCube = (q15_t) ((fractSquare * fract) >> 15);
+
+  /* Checking min and max index of table */
+  if(index < 0)
+  {
+    index = 0;
+  }
+  else if(index > 256)
+  {
+    index = 256;
+  }
+
+  /* Initialise table pointer */
+  tablePtr = (q15_t *) & sinTableQ15[index];
+
+  /* Cubic interpolation process */
+  /* Calculation of wa */
+  /* wa = -(oneBy6)*fractCube + (fractSquare >> 1u) - (0x2AAA)*fract; */
+  wa = (q31_t) oneBy6 *fractCube;
+  wa += (q31_t) 0x2AAA *fract;
+  wa = -(wa >> 15);
+  wa += ((q31_t) fractSquare >> 1u);
+
+  /* Read first nearest value of output from the sin table */
+  a = *tablePtr++;
+
+  /* sinVal = a * wa */
+  sinVal = a * wa;
+
+  /* Calculation of wb */
+  wb = (((q31_t) fractCube >> 1u) - (q31_t) fractSquare) -
+    (((q31_t) fract >> 1u) - 0x7FFF);
+
+  /* Read second nearest value of output from the sin table */
+  b = *tablePtr++;
+
+  /*      sinVal += b*wb */
+  sinVal += b * wb;
+
+
+  /* Calculation of wc */
+  wc = -(q31_t) fractCube + fractSquare;
+  wc = (wc >> 1u) + fract;
+
+  /* Read third nearest value of output from the sin table */
+  c = *tablePtr++;
+
+  /* sinVal += c*wc */
+  sinVal += c * wc;
+
+  /* Calculation of wd */
+  /* wd = (oneBy6)*fractCube - (oneBy6)*fract; */
+  fractCube = fractCube - fract;
+  wd = ((q15_t) (((q31_t) oneBy6 * fractCube) >> 15));
+
+  /* Read fourth nearest value of output from the sin table */
+  d = *tablePtr++;
+
+  /* sinVal += d*wd; */
+  sinVal += d * wd;
+
+  /* Convert output value in 1.15(q15) format and saturate */
+  sinVal = __SSAT((sinVal >> 15), 16);
+
+  /* Return the output value in 1.15(q15) format */
+  return ((q15_t) sinVal);
+
+}
+
+/**    
+ * @} end of sin group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sin_q31.c b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sin_q31.c
new file mode 100644
index 0000000000..cf540e24f0
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sin_q31.c
@@ -0,0 +1,240 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_sin_q31.c    
+*    
+* Description:	Fast sine calculation for Q31 values.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFastMath    
+ */
+
+ /**    
+ * @addtogroup sin    
+ * @{    
+ */
+
+/**   
+ * \par    
+ * Tables generated are in Q31(1.31 Fixed point format)    
+ * Generation of sin values in floating point:    
+ * 
tableSize = 256;      
+ * for(n = -1; n < (tableSize + 1); n++)    
+ * {    
+ *	sinTable[n+1]= sin(2*pi*n/tableSize);    
+ * } 
    
+ * where pi value is  3.14159265358979    
+ * \par    
+ * Convert Floating point to Q31(Fixed point):    
+ *	(sinTable[i] * pow(2, 31))    
+ * \par    
+ * rounding to nearest integer is done    
+ * 	sinTable[i] += (sinTable[i] > 0 ? 0.5 :-0.5);    
+ */
+
+static const q31_t sinTableQ31[259] = {
+  0xfcdbd541, 0x0, 0x3242abf, 0x647d97c, 0x96a9049, 0xc8bd35e, 0xfab272b,
+  0x12c8106f,
+  0x15e21445, 0x18f8b83c, 0x1c0b826a, 0x1f19f97b, 0x2223a4c5, 0x25280c5e,
+  0x2826b928, 0x2b1f34eb,
+  0x2e110a62, 0x30fbc54d, 0x33def287, 0x36ba2014, 0x398cdd32, 0x3c56ba70,
+  0x3f1749b8, 0x41ce1e65,
+  0x447acd50, 0x471cece7, 0x49b41533, 0x4c3fdff4, 0x4ebfe8a5, 0x5133cc94,
+  0x539b2af0, 0x55f5a4d2,
+  0x5842dd54, 0x5a82799a, 0x5cb420e0, 0x5ed77c8a, 0x60ec3830, 0x62f201ac,
+  0x64e88926, 0x66cf8120,
+  0x68a69e81, 0x6a6d98a4, 0x6c242960, 0x6dca0d14, 0x6f5f02b2, 0x70e2cbc6,
+  0x72552c85, 0x73b5ebd1,
+  0x7504d345, 0x7641af3d, 0x776c4edb, 0x78848414, 0x798a23b1, 0x7a7d055b,
+  0x7b5d039e, 0x7c29fbee,
+  0x7ce3ceb2, 0x7d8a5f40, 0x7e1d93ea, 0x7e9d55fc, 0x7f0991c4, 0x7f62368f,
+  0x7fa736b4, 0x7fd8878e,
+  0x7ff62182, 0x7fffffff, 0x7ff62182, 0x7fd8878e, 0x7fa736b4, 0x7f62368f,
+  0x7f0991c4, 0x7e9d55fc,
+  0x7e1d93ea, 0x7d8a5f40, 0x7ce3ceb2, 0x7c29fbee, 0x7b5d039e, 0x7a7d055b,
+  0x798a23b1, 0x78848414,
+  0x776c4edb, 0x7641af3d, 0x7504d345, 0x73b5ebd1, 0x72552c85, 0x70e2cbc6,
+  0x6f5f02b2, 0x6dca0d14,
+  0x6c242960, 0x6a6d98a4, 0x68a69e81, 0x66cf8120, 0x64e88926, 0x62f201ac,
+  0x60ec3830, 0x5ed77c8a,
+  0x5cb420e0, 0x5a82799a, 0x5842dd54, 0x55f5a4d2, 0x539b2af0, 0x5133cc94,
+  0x4ebfe8a5, 0x4c3fdff4,
+  0x49b41533, 0x471cece7, 0x447acd50, 0x41ce1e65, 0x3f1749b8, 0x3c56ba70,
+  0x398cdd32, 0x36ba2014,
+  0x33def287, 0x30fbc54d, 0x2e110a62, 0x2b1f34eb, 0x2826b928, 0x25280c5e,
+  0x2223a4c5, 0x1f19f97b,
+  0x1c0b826a, 0x18f8b83c, 0x15e21445, 0x12c8106f, 0xfab272b, 0xc8bd35e,
+  0x96a9049, 0x647d97c,
+  0x3242abf, 0x0, 0xfcdbd541, 0xf9b82684, 0xf6956fb7, 0xf3742ca2, 0xf054d8d5,
+  0xed37ef91,
+  0xea1debbb, 0xe70747c4, 0xe3f47d96, 0xe0e60685, 0xdddc5b3b, 0xdad7f3a2,
+  0xd7d946d8, 0xd4e0cb15,
+  0xd1eef59e, 0xcf043ab3, 0xcc210d79, 0xc945dfec, 0xc67322ce, 0xc3a94590,
+  0xc0e8b648, 0xbe31e19b,
+  0xbb8532b0, 0xb8e31319, 0xb64beacd, 0xb3c0200c, 0xb140175b, 0xaecc336c,
+  0xac64d510, 0xaa0a5b2e,
+  0xa7bd22ac, 0xa57d8666, 0xa34bdf20, 0xa1288376, 0x9f13c7d0, 0x9d0dfe54,
+  0x9b1776da, 0x99307ee0,
+  0x9759617f, 0x9592675c, 0x93dbd6a0, 0x9235f2ec, 0x90a0fd4e, 0x8f1d343a,
+  0x8daad37b, 0x8c4a142f,
+  0x8afb2cbb, 0x89be50c3, 0x8893b125, 0x877b7bec, 0x8675dc4f, 0x8582faa5,
+  0x84a2fc62, 0x83d60412,
+  0x831c314e, 0x8275a0c0, 0x81e26c16, 0x8162aa04, 0x80f66e3c, 0x809dc971,
+  0x8058c94c, 0x80277872,
+  0x8009de7e, 0x80000000, 0x8009de7e, 0x80277872, 0x8058c94c, 0x809dc971,
+  0x80f66e3c, 0x8162aa04,
+  0x81e26c16, 0x8275a0c0, 0x831c314e, 0x83d60412, 0x84a2fc62, 0x8582faa5,
+  0x8675dc4f, 0x877b7bec,
+  0x8893b125, 0x89be50c3, 0x8afb2cbb, 0x8c4a142f, 0x8daad37b, 0x8f1d343a,
+  0x90a0fd4e, 0x9235f2ec,
+  0x93dbd6a0, 0x9592675c, 0x9759617f, 0x99307ee0, 0x9b1776da, 0x9d0dfe54,
+  0x9f13c7d0, 0xa1288376,
+  0xa34bdf20, 0xa57d8666, 0xa7bd22ac, 0xaa0a5b2e, 0xac64d510, 0xaecc336c,
+  0xb140175b, 0xb3c0200c,
+  0xb64beacd, 0xb8e31319, 0xbb8532b0, 0xbe31e19b, 0xc0e8b648, 0xc3a94590,
+  0xc67322ce, 0xc945dfec,
+  0xcc210d79, 0xcf043ab3, 0xd1eef59e, 0xd4e0cb15, 0xd7d946d8, 0xdad7f3a2,
+  0xdddc5b3b, 0xe0e60685,
+  0xe3f47d96, 0xe70747c4, 0xea1debbb, 0xed37ef91, 0xf054d8d5, 0xf3742ca2,
+  0xf6956fb7, 0xf9b82684,
+  0xfcdbd541, 0x0, 0x3242abf
+};
+
+
+/**   
+ * @brief Fast approximation to the trigonometric sine function for Q31 data.   
+ * @param[in] x Scaled input value in radians.   
+ * @return  sin(x).   
+ *   
+ * The Q31 input value is in the range [0 +0.9999] and is mapped to a radian value in the range [0 2*pi), Here range excludes 2*pi.   
+ */
+
+q31_t arm_sin_q31(
+  q31_t x)
+{
+  q31_t sinVal, in, in2;                         /* Temporary variables for input, output */
+  int32_t index;                                 /* Index variables */
+  q31_t wa, wb, wc, wd;                          /* Cubic interpolation coefficients */
+  q31_t a, b, c, d;                              /* Four nearest output values */
+  q31_t *tablePtr;                               /* Pointer to table */
+  q31_t fract, fractCube, fractSquare;           /* Temporary values for fractional values */
+  q31_t oneBy6 = 0x15555555;                     /* Fixed point value of 1/6 */
+  q31_t tableSpacing = TABLE_SPACING_Q31;        /* Table spacing */
+  q31_t temp;                                    /* Temporary variable for intermediate process */
+
+  in = x;
+
+  /* Calculate the nearest index */
+  index = (uint32_t) in / (uint32_t) tableSpacing;
+
+  /* Calculate the nearest value of input */
+  in2 = (q31_t) index *tableSpacing;
+
+  /* Calculation of fractional value */
+  fract = (in - in2) << 8;
+
+  /* fractSquare = fract * fract */
+  fractSquare = ((q31_t) (((q63_t) fract * fract) >> 32));
+  fractSquare = fractSquare << 1;
+
+  /* fractCube = fract * fract * fract */
+  fractCube = ((q31_t) (((q63_t) fractSquare * fract) >> 32));
+  fractCube = fractCube << 1;
+
+  /* Checking min and max index of table */
+  if(index < 0)
+  {
+    index = 0;
+  }
+  else if(index > 256)
+  {
+    index = 256;
+  }
+
+  /* Initialise table pointer */
+  tablePtr = (q31_t *) & sinTableQ31[index];
+
+  /* Cubic interpolation process */
+  /* Calculation of wa */
+  /* wa = -(oneBy6)*fractCube + (fractSquare >> 1u) - (0x2AAAAAAA)*fract; */
+  wa = ((q31_t) (((q63_t) oneBy6 * fractCube) >> 32));
+  temp = 0x2AAAAAAA;
+  wa = (q31_t) ((((q63_t) wa << 32) + ((q63_t) temp * fract)) >> 32);
+  wa = -(wa << 1u);
+  wa += (fractSquare >> 1u);
+
+  /* Read first nearest value of output from the sin table */
+  a = *tablePtr++;
+
+  /* sinVal = a*wa */
+  sinVal = ((q31_t) (((q63_t) a * wa) >> 32));
+
+  /* q31(1.31) Fixed point value of 1 */
+  temp = 0x7FFFFFFF;
+
+  /* Calculation of wb */
+  wb = ((fractCube >> 1u) - (fractSquare + (fract >> 1u))) + temp;
+
+  /* Read second nearest value of output from the sin table */
+  b = *tablePtr++;
+
+  /*  sinVal += b*wb */
+  sinVal = (q31_t) ((((q63_t) sinVal << 32) + (q63_t) b * (wb)) >> 32);
+
+  /* Calculation of wc */
+  wc = -fractCube + fractSquare;
+  wc = (wc >> 1u) + fract;
+
+  /* Read third nearest value of output from the sin table */
+  c = *tablePtr++;
+
+  /*      sinVal += c*wc */
+  sinVal = (q31_t) ((((q63_t) sinVal << 32) + ((q63_t) c * wc)) >> 32);
+
+  /* Calculation of wd */
+  /* wd = (oneBy6) * fractCube - (oneBy6) * fract; */
+  fractCube = fractCube - fract;
+  wd = ((q31_t) (((q63_t) oneBy6 * fractCube) >> 32));
+  wd = (wd << 1u);
+
+  /* Read fourth nearest value of output from the sin table */
+  d = *tablePtr++;
+
+  /* sinVal += d*wd; */
+  sinVal = (q31_t) ((((q63_t) sinVal << 32) + ((q63_t) d * wd)) >> 32);
+
+  /* convert sinVal in 2.30 format to 1.31 format */
+  return (__QADD(sinVal, sinVal));
+
+}
+
+/**    
+ * @} end of sin group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sqrt_q15.c b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sqrt_q15.c
new file mode 100644
index 0000000000..32eee32522
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sqrt_q15.c
@@ -0,0 +1,131 @@
+/* ----------------------------------------------------------------------     
+* Copyright (C) 2011 ARM Limited. All rights reserved.  
+*     
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*     
+* Project:      CMSIS DSP Library  
+* Title:		arm_sqrt_q15.c     
+*     
+* Description:	Q15 square root function.    
+*     
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+* 
+* Version 1.0.0 2011/03/08 
+*     Alpha release. 
+* 
+* Version 1.0.1 2011/09/30 
+*     Beta release.  
+*     
+* -------------------------------------------------------------------- */
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+
+/**     
+ * @ingroup groupFastMath     
+ */
+
+/**     
+ * @addtogroup SQRT     
+ * @{     
+ */
+
+  /**    
+   * @brief  Q15 square root function.    
+   * @param[in]   in     input value.  The range of the input value is [0 +1) or 0x0000 to 0x7FFF.    
+   * @param[out]  *pOut  square root of input value.    
+   * @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if    
+   * in is negative value and returns zero output for negative values.    
+   */
+
+arm_status arm_sqrt_q15(
+  q15_t in,
+  q15_t * pOut)
+{
+  q15_t number, temp1, var1, signBits1, half;
+  q31_t bits_val1;
+  float32_t temp_float1;
+
+  number = in;
+
+  /* If the input is a positive number then compute the signBits. */
+  if(number > 0)
+  {
+    signBits1 = __CLZ(number) - 17;
+
+    /* Shift by the number of signBits1 */
+    if((signBits1 % 2) == 0)
+    {
+      number = number << signBits1;
+    }
+    else
+    {
+      number = number << (signBits1 - 1);
+    }
+
+    /* Calculate half value of the number */
+    half = number >> 1;
+    /* Store the number for later use */
+    temp1 = number;
+
+    /*Convert to float */
+    temp_float1 = number * 3.051757812500000e-005f;
+    /*Store as integer */
+    bits_val1 = *(int *) &temp_float1;
+    /* Subtract the shifted value from the magic number to give intial guess */
+    bits_val1 = 0x5f3759df - (bits_val1 >> 1);  // gives initial guess  
+    /* Store as float */
+    temp_float1 = *(float *) &bits_val1;
+    /* Convert to integer format */
+    var1 = (q31_t) (temp_float1 * 16384);
+
+    /* 1st iteration */
+    var1 = ((q15_t) ((q31_t) var1 * (0x3000 -
+                                     ((q15_t)
+                                      ((((q15_t)
+                                         (((q31_t) var1 * var1) >> 15)) *
+                                        (q31_t) half) >> 15))) >> 15)) << 2;
+    /* 2nd iteration */
+    var1 = ((q15_t) ((q31_t) var1 * (0x3000 -
+                                     ((q15_t)
+                                      ((((q15_t)
+                                         (((q31_t) var1 * var1) >> 15)) *
+                                        (q31_t) half) >> 15))) >> 15)) << 2;
+    /* 3rd iteration */
+    var1 = ((q15_t) ((q31_t) var1 * (0x3000 -
+                                     ((q15_t)
+                                      ((((q15_t)
+                                         (((q31_t) var1 * var1) >> 15)) *
+                                        (q31_t) half) >> 15))) >> 15)) << 2;
+
+    /* Multiply the inverse square root with the original value */
+    var1 = ((q15_t) (((q31_t) temp1 * var1) >> 15)) << 1;
+
+    /* Shift the output down accordingly */
+    if((signBits1 % 2) == 0)
+    {
+      var1 = var1 >> (signBits1 / 2);
+    }
+    else
+    {
+      var1 = var1 >> ((signBits1 - 1) / 2);
+    }
+    *pOut = var1;
+
+    return (ARM_MATH_SUCCESS);
+  }
+  /* If the number is a negative number then store zero as its square root value */
+  else
+  {
+    *pOut = 0;
+    return (ARM_MATH_ARGUMENT_ERROR);
+  }
+}
+
+/**     
+ * @} end of SQRT group     
+ */
diff --git a/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sqrt_q31.c b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sqrt_q31.c
new file mode 100644
index 0000000000..65de4b3d16
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FastMathFunctions/arm_sqrt_q31.c
@@ -0,0 +1,129 @@
+/* ----------------------------------------------------------------------     
+* Copyright (C) 2011 ARM Limited. All rights reserved.  
+*     
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*     
+* Project:      CMSIS DSP Library  
+* Title:		arm_sqrt_q31.c     
+*     
+* Description:	Q31 square root function.    
+*     
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+* 
+* Version 1.0.0 2011/03/08 
+*     Alpha release. 
+* 
+* Version 1.0.1 2011/09/30 
+*     Beta release.  
+*     
+* -------------------------------------------------------------------- */
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+/**     
+ * @ingroup groupFastMath     
+ */
+
+/**     
+ * @addtogroup SQRT     
+ * @{     
+ */
+
+/**    
+ * @brief Q31 square root function.    
+ * @param[in]   in    input value.  The range of the input value is [0 +1) or 0x00000000 to 0x7FFFFFFF.    
+ * @param[out]  *pOut square root of input value.    
+ * @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if    
+ * in is negative value and returns zero output for negative values.    
+ */
+
+arm_status arm_sqrt_q31(
+  q31_t in,
+  q31_t * pOut)
+{
+  q31_t number, temp1, bits_val1, var1, signBits1, half;
+  float32_t temp_float1;
+
+  number = in;
+
+  /* If the input is a positive number then compute the signBits. */
+  if(number > 0)
+  {
+    signBits1 = __CLZ(number) - 1;
+
+    /* Shift by the number of signBits1 */
+    if((signBits1 % 2) == 0)
+    {
+      number = number << signBits1;
+    }
+    else
+    {
+      number = number << (signBits1 - 1);
+    }
+
+    /* Calculate half value of the number */
+    half = number >> 1;
+    /* Store the number for later use */
+    temp1 = number;
+
+    /*Convert to float */
+    temp_float1 = number * 4.6566128731e-010f;
+    /*Store as integer */
+    bits_val1 = *(int *) &temp_float1;
+    /* Subtract the shifted value from the magic number to give intial guess */
+    bits_val1 = 0x5f3759df - (bits_val1 >> 1);  // gives initial guess  
+    /* Store as float */
+    temp_float1 = *(float *) &bits_val1;
+    /* Convert to integer format */
+    var1 = (q31_t) (temp_float1 * 1073741824);
+
+    /* 1st iteration */
+    var1 = ((q31_t) ((q63_t) var1 * (0x30000000 -
+                                     ((q31_t)
+                                      ((((q31_t)
+                                         (((q63_t) var1 * var1) >> 31)) *
+                                        (q63_t) half) >> 31))) >> 31)) << 2;
+    /* 2nd iteration */
+    var1 = ((q31_t) ((q63_t) var1 * (0x30000000 -
+                                     ((q31_t)
+                                      ((((q31_t)
+                                         (((q63_t) var1 * var1) >> 31)) *
+                                        (q63_t) half) >> 31))) >> 31)) << 2;
+    /* 3rd iteration */
+    var1 = ((q31_t) ((q63_t) var1 * (0x30000000 -
+                                     ((q31_t)
+                                      ((((q31_t)
+                                         (((q63_t) var1 * var1) >> 31)) *
+                                        (q63_t) half) >> 31))) >> 31)) << 2;
+
+    /* Multiply the inverse square root with the original value */
+    var1 = ((q31_t) (((q63_t) temp1 * var1) >> 31)) << 1;
+
+    /* Shift the output down accordingly */
+    if((signBits1 % 2) == 0)
+    {
+      var1 = var1 >> (signBits1 / 2);
+    }
+    else
+    {
+      var1 = var1 >> ((signBits1 - 1) / 2);
+    }
+    *pOut = var1;
+
+    return (ARM_MATH_SUCCESS);
+  }
+  /* If the number is a negative number then store zero as its square root value */
+  else
+  {
+    *pOut = 0;
+    return (ARM_MATH_ARGUMENT_ERROR);
+  }
+}
+
+/**     
+ * @} end of SQRT group     
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_32x64_init_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_32x64_init_q31.c
new file mode 100644
index 0000000000..4ca7111b39
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_32x64_init_q31.c
@@ -0,0 +1,105 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_biquad_cascade_df1_32x64_init_q31.c    
+*    
+* Description:	High precision Q31 Biquad cascade filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup BiquadCascadeDF1_32x64    
+ * @{    
+ */
+
+/**    
+ * @details    
+ *    
+ * @param[in,out] *S           	points to an instance of the high precision Q31 Biquad cascade filter structure.    
+ * @param[in]     numStages     number of 2nd order stages in the filter.    
+ * @param[in]     *pCoeffs      points to the filter coefficients.    
+ * @param[in]     *pState       points to the state buffer.    
+ * @param[in]     postShift     Shift to be applied after the accumulator.  Varies according to the coefficients format.    
+ * @return        none    
+ *    
+ * Coefficient and State Ordering:    
+ *    
+ * \par    
+ * The coefficients are stored in the array pCoeffs in the following order:    
+ * 
    
+ *     {b10, b11, b12, a11, a12, b20, b21, b22, a21, a22, ...}    
+ * 
    
+ * where b1x and a1x are the coefficients for the first stage,    
+ * b2x and a2x are the coefficients for the second stage,    
+ * and so on.  The pCoeffs array contains a total of 5*numStages values.    
+ *    
+ * \par    
+ * The pState points to state variables array and size of each state variable is 1.63 format.    
+ * Each Biquad stage has 4 state variables x[n-1], x[n-2], y[n-1], and y[n-2].    
+ * The state variables are arranged in the state array as:    
+ * 
    
+ *     {x[n-1], x[n-2], y[n-1], y[n-2]}    
+ * 
    
+ * The 4 state variables for stage 1 are first, then the 4 state variables for stage 2, and so on.    
+ * The state array has a total length of 4*numStages values.    
+ * The state variables are updated after each block of data is processed; the coefficients are untouched.    
+ */
+
+void arm_biquad_cas_df1_32x64_init_q31(
+  arm_biquad_cas_df1_32x64_ins_q31 * S,
+  uint8_t numStages,
+  q31_t * pCoeffs,
+  q63_t * pState,
+  uint8_t postShift)
+{
+  /* Assign filter stages */
+  S->numStages = numStages;
+
+  /* Assign postShift to be applied to the output */
+  S->postShift = postShift;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and size is always 4 * numStages */
+  memset(pState, 0, (4u * (uint32_t) numStages) * sizeof(q63_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+}
+
+/**    
+ * @} end of BiquadCascadeDF1_32x64 group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_32x64_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_32x64_q31.c
new file mode 100644
index 0000000000..607f7f5074
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_32x64_q31.c
@@ -0,0 +1,553 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_biquad_cascade_df1_32x64_q31.c    
+*    
+* Description:	High precision Q31 Biquad cascade filter processing function    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @defgroup BiquadCascadeDF1_32x64 High Precision Q31 Biquad Cascade Filter    
+ *    
+ * This function implements a high precision Biquad cascade filter which operates on    
+ * Q31 data values.  The filter coefficients are in 1.31 format and the state variables    
+ * are in 1.63 format.  The double precision state variables reduce quantization noise    
+ * in the filter and provide a cleaner output.    
+ * These filters are particularly useful when implementing filters in which the    
+ * singularities are close to the unit circle.  This is common for low pass or high    
+ * pass filters with very low cutoff frequencies.    
+ *    
+ * The function operates on blocks of input and output data    
+ * and each call to the function processes blockSize samples through    
+ * the filter. pSrc and pDst points to input and output arrays    
+ * containing blockSize Q31 values.    
+ *    
+ * \par Algorithm    
+ * Each Biquad stage implements a second order filter using the difference equation:    
+ * 
    
+ *     y[n] = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2]    
+ * 
    
+ * A Direct Form I algorithm is used with 5 coefficients and 4 state variables per stage.    
+ * \image html Biquad.gif "Single Biquad filter stage"    
+ * Coefficients b0, b1, and b2  multiply the input signal x[n] and are referred to as the feedforward coefficients.    
+ * Coefficients a1 and a2 multiply the output signal y[n] and are referred to as the feedback coefficients.    
+ * Pay careful attention to the sign of the feedback coefficients.    
+ * Some design tools use the difference equation    
+ * 
    
+ *     y[n] = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] - a1 * y[n-1] - a2 * y[n-2]    
+ * 
    
+ * In this case the feedback coefficients a1 and a2 must be negated when used with the CMSIS DSP Library.    
+ *    
+ * \par    
+ * Higher order filters are realized as a cascade of second order sections.    
+ * numStages refers to the number of second order stages used.    
+ * For example, an 8th order filter would be realized with numStages=4 second order stages.    
+ * \image html BiquadCascade.gif "8th order filter using a cascade of Biquad stages"    
+ * A 9th order filter would be realized with numStages=5 second order stages with the coefficients for one of the stages configured as a first order filter (b2=0 and a2=0).    
+ *    
+ * \par    
+ * The pState points to state variables array .    
+ * Each Biquad stage has 4 state variables x[n-1], x[n-2], y[n-1], and y[n-2] and each state variable in 1.63 format to improve precision.    
+ * The state variables are arranged in the array as:    
+ * 
    
+ *     {x[n-1], x[n-2], y[n-1], y[n-2]}    
+ * 
    
+ *    
+ * \par    
+ * The 4 state variables for stage 1 are first, then the 4 state variables for stage 2, and so on.    
+ * The state array has a total length of 4*numStages values of data in 1.63 format.    
+ * The state variables are updated after each block of data is processed; the coefficients are untouched.    
+ *    
+ * \par Instance Structure    
+ * The coefficients and state variables for a filter are stored together in an instance data structure.    
+ * A separate instance structure must be defined for each filter.    
+ * Coefficient arrays may be shared among several instances while state variable arrays cannot be shared.    
+ *    
+ * \par Init Function    
+ * There is also an associated initialization function which performs the following operations:    
+ * - Sets the values of the internal structure fields.    
+ * - Zeros out the values in the state buffer.    
+ * \par    
+ * Use of the initialization function is optional.    
+ * However, if the initialization function is used, then the instance structure cannot be placed into a const data section.    
+ * To place an instance structure into a const data section, the instance structure must be manually initialized.    
+ * Set the values in the state buffer to zeros before static initialization.    
+ * For example, to statically initialize the filter instance structure use    
+ * 
    
+ *     arm_biquad_cas_df1_32x64_ins_q31 S1 = {numStages, pState, pCoeffs, postShift};    
+ * 
    
+ * where numStages is the number of Biquad stages in the filter; pState is the address of the state buffer;    
+ * pCoeffs is the address of the coefficient buffer; postShift shift to be applied which is described in detail below.    
+ * \par Fixed-Point Behavior    
+ * Care must be taken while using Biquad Cascade 32x64 filter function.    
+ * Following issues must be considered:    
+ * - Scaling of coefficients    
+ * - Filter gain    
+ * - Overflow and saturation    
+ *    
+ * \par    
+ * Filter coefficients are represented as fractional values and    
+ * restricted to lie in the range [-1 +1).    
+ * The processing function has an additional scaling parameter postShift    
+ * which allows the filter coefficients to exceed the range [+1 -1).    
+ * At the output of the filter's accumulator is a shift register which shifts the result by postShift bits.    
+ * \image html BiquadPostshift.gif "Fixed-point Biquad with shift by postShift bits after accumulator"    
+ * This essentially scales the filter coefficients by 2^postShift.    
+ * For example, to realize the coefficients    
+ * 
    
+ *    {1.5, -0.8, 1.2, 1.6, -0.9}    
+ * 
    
+ * set the Coefficient array to:    
+ * 
    
+ *    {0.75, -0.4, 0.6, 0.8, -0.45}    
+ * 
    
+ * and set postShift=1    
+ *    
+ * \par    
+ * The second thing to keep in mind is the gain through the filter.    
+ * The frequency response of a Biquad filter is a function of its coefficients.    
+ * It is possible for the gain through the filter to exceed 1.0 meaning that the filter increases the amplitude of certain frequencies.    
+ * This means that an input signal with amplitude < 1.0 may result in an output > 1.0 and these are saturated or overflowed based on the implementation of the filter.    
+ * To avoid this behavior the filter needs to be scaled down such that its peak gain < 1.0 or the input signal must be scaled down so that the combination of input and filter are never overflowed.    
+ *    
+ * \par    
+ * The third item to consider is the overflow and saturation behavior of the fixed-point Q31 version.    
+ * This is described in the function specific documentation below.    
+ */
+
+/**    
+ * @addtogroup BiquadCascadeDF1_32x64    
+ * @{    
+ */
+
+/**    
+ * @details    
+    
+ * @param[in]  *S points to an instance of the high precision Q31 Biquad cascade filter.    
+ * @param[in]  *pSrc points to the block of input data.    
+ * @param[out] *pDst points to the block of output data.    
+ * @param[in]  blockSize number of samples to process.    
+ * @return none.    
+ *    
+ * \par    
+ * The function is implemented using an internal 64-bit accumulator.    
+ * The accumulator has a 2.62 format and maintains full precision of the intermediate multiplication results but provides only a single guard bit.    
+ * Thus, if the accumulator result overflows it wraps around rather than clip.    
+ * In order to avoid overflows completely the input signal must be scaled down by 2 bits and lie in the range [-0.25 +0.25).    
+ * After all 5 multiply-accumulates are performed, the 2.62 accumulator is shifted by postShift bits and the result truncated to    
+ * 1.31 format by discarding the low 32 bits.    
+ *    
+ * \par    
+ * Two related functions are provided in the CMSIS DSP library.    
+ * arm_biquad_cascade_df1_q31() implements a Biquad cascade with 32-bit coefficients and state variables with a Q63 accumulator.    
+ * arm_biquad_cascade_df1_fast_q31() implements a Biquad cascade with 32-bit coefficients and state variables with a Q31 accumulator.    
+ */
+
+void arm_biquad_cas_df1_32x64_q31(
+  const arm_biquad_cas_df1_32x64_ins_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  q31_t *pIn = pSrc;                             /*  input pointer initialization  */
+  q31_t *pOut = pDst;                            /*  output pointer initialization */
+  q63_t *pState = S->pState;                     /*  state pointer initialization  */
+  q31_t *pCoeffs = S->pCoeffs;                   /*  coeff pointer initialization  */
+  q63_t acc;                                     /*  accumulator                   */
+  q31_t Xn1, Xn2;                                /*  Input Filter state variables        */
+  q63_t Yn1, Yn2;                                /*  Output Filter state variables        */
+  q31_t b0, b1, b2, a1, a2;                      /*  Filter coefficients           */
+  q31_t Xn;                                      /*  temporary input               */
+  int32_t shift = (int32_t) S->postShift + 1;    /*  Shift to be applied to the output */
+  uint32_t sample, stage = S->numStages;         /*  loop counters                     */
+  q31_t acc_l, acc_h;                            /*  temporary output               */
+  uint32_t uShift = ((uint32_t) S->postShift + 1u);
+  uint32_t lShift = 32u - uShift;                /*  Shift to be applied to the output */
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  do
+  {
+    /* Reading the coefficients */
+    b0 = *pCoeffs++;
+    b1 = *pCoeffs++;
+    b2 = *pCoeffs++;
+    a1 = *pCoeffs++;
+    a2 = *pCoeffs++;
+
+    /* Reading the state values */
+    Xn1 = (q31_t) (pState[0]);
+    Xn2 = (q31_t) (pState[1]);
+    Yn1 = pState[2];
+    Yn2 = pState[3];
+
+    /* Apply loop unrolling and compute 4 output values simultaneously. */
+    /* The variable acc hold output value that is being computed and    
+     * stored in the destination buffer    
+     * acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2]    
+     */
+
+    sample = blockSize >> 2u;
+
+    /* First part of the processing with loop unrolling. Compute 4 outputs at a time.    
+     ** a second loop below computes the remaining 1 to 3 samples. */
+    while(sample > 0u)
+    {
+      /* Read the input */
+      Xn = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+
+      /* acc =  b0 * x[n] */
+      acc = (q63_t) Xn *b0;
+
+      /* acc +=  b1 * x[n-1] */
+      acc += (q63_t) Xn1 *b1;
+
+      /* acc +=  b[2] * x[n-2] */
+      acc += (q63_t) Xn2 *b2;
+
+      /* acc +=  a1 * y[n-1] */
+      acc += mult32x64(Yn1, a1);
+
+      /* acc +=  a2 * y[n-2] */
+      acc += mult32x64(Yn2, a2);
+
+      /* The result is converted to 1.63 , Yn2 variable is reused */
+      Yn2 = acc << shift;
+
+      /* Calc lower part of acc */
+      acc_l = acc & 0xffffffff;
+
+      /* Calc upper part of acc */
+      acc_h = (acc >> 32) & 0xffffffff;
+
+      /* Apply shift for lower part of acc and upper part of acc */
+      acc_h = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+      /* Store the output in the destination buffer in 1.31 format. */
+      *pOut = acc_h;
+
+      /* Read the second input into Xn2, to reuse the value */
+      Xn2 = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+
+      /* acc +=  b1 * x[n-1] */
+      acc = (q63_t) Xn *b1;
+
+      /* acc =  b0 * x[n] */
+      acc += (q63_t) Xn2 *b0;
+
+      /* acc +=  b[2] * x[n-2] */
+      acc += (q63_t) Xn1 *b2;
+
+      /* acc +=  a1 * y[n-1] */
+      acc += mult32x64(Yn2, a1);
+
+      /* acc +=  a2 * y[n-2] */
+      acc += mult32x64(Yn1, a2);
+
+      /* The result is converted to 1.63, Yn1 variable is reused */
+      Yn1 = acc << shift;
+
+      /* Calc lower part of acc */
+      acc_l = acc & 0xffffffff;
+
+      /* Calc upper part of acc */
+      acc_h = (acc >> 32) & 0xffffffff;
+
+      /* Apply shift for lower part of acc and upper part of acc */
+      acc_h = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+      /* Read the third input into Xn1, to reuse the value */
+      Xn1 = *pIn++;
+
+      /* The result is converted to 1.31 */
+      /* Store the output in the destination buffer. */
+      *(pOut + 1u) = acc_h;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+
+      /* acc =  b0 * x[n] */
+      acc = (q63_t) Xn1 *b0;
+
+      /* acc +=  b1 * x[n-1] */
+      acc += (q63_t) Xn2 *b1;
+
+      /* acc +=  b[2] * x[n-2] */
+      acc += (q63_t) Xn *b2;
+
+      /* acc +=  a1 * y[n-1] */
+      acc += mult32x64(Yn1, a1);
+
+      /* acc +=  a2 * y[n-2] */
+      acc += mult32x64(Yn2, a2);
+
+      /* The result is converted to 1.63, Yn2 variable is reused  */
+      Yn2 = acc << shift;
+
+      /* Calc lower part of acc */
+      acc_l = acc & 0xffffffff;
+
+      /* Calc upper part of acc */
+      acc_h = (acc >> 32) & 0xffffffff;
+
+      /* Apply shift for lower part of acc and upper part of acc */
+      acc_h = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+      /* Store the output in the destination buffer in 1.31 format. */
+      *(pOut + 2u) = acc_h;
+
+      /* Read the fourth input into Xn, to reuse the value */
+      Xn = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      /* acc =  b0 * x[n] */
+      acc = (q63_t) Xn *b0;
+
+      /* acc +=  b1 * x[n-1] */
+      acc += (q63_t) Xn1 *b1;
+
+      /* acc +=  b[2] * x[n-2] */
+      acc += (q63_t) Xn2 *b2;
+
+      /* acc +=  a1 * y[n-1] */
+      acc += mult32x64(Yn2, a1);
+
+      /* acc +=  a2 * y[n-2] */
+      acc += mult32x64(Yn1, a2);
+
+      /* The result is converted to 1.63, Yn1 variable is reused  */
+      Yn1 = acc << shift;
+
+      /* Calc lower part of acc */
+      acc_l = acc & 0xffffffff;
+
+      /* Calc upper part of acc */
+      acc_h = (acc >> 32) & 0xffffffff;
+
+      /* Apply shift for lower part of acc and upper part of acc */
+      acc_h = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+      /* Store the output in the destination buffer in 1.31 format. */
+      *(pOut + 3u) = acc_h;
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc    */
+      Xn2 = Xn1;
+      Xn1 = Xn;
+
+      /* update output pointer */
+      pOut += 4u;
+
+      /* decrement the loop counter */
+      sample--;
+    }
+
+    /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+    sample = (blockSize & 0x3u);
+
+    while(sample > 0u)
+    {
+      /* Read the input */
+      Xn = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+
+      /* acc =  b0 * x[n] */
+      acc = (q63_t) Xn *b0;
+      /* acc +=  b1 * x[n-1] */
+      acc += (q63_t) Xn1 *b1;
+      /* acc +=  b[2] * x[n-2] */
+      acc += (q63_t) Xn2 *b2;
+      /* acc +=  a1 * y[n-1] */
+      acc += mult32x64(Yn1, a1);
+      /* acc +=  a2 * y[n-2] */
+      acc += mult32x64(Yn2, a2);
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc    */
+      Xn2 = Xn1;
+      Xn1 = Xn;
+      Yn2 = Yn1;
+      /* The result is converted to 1.63, Yn1 variable is reused  */
+      Yn1 = acc << shift;
+
+      /* Calc lower part of acc */
+      acc_l = acc & 0xffffffff;
+
+      /* Calc upper part of acc */
+      acc_h = (acc >> 32) & 0xffffffff;
+
+      /* Apply shift for lower part of acc and upper part of acc */
+      acc_h = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+      /* Store the output in the destination buffer in 1.31 format. */
+      *pOut++ = acc_h;
+      //Yn1 = acc << shift; 
+
+      /* Store the output in the destination buffer in 1.31 format. */
+//      *pOut++ = (q31_t) (acc >> (32 - shift)); 
+
+      /* decrement the loop counter */
+      sample--;
+    }
+
+    /*  The first stage output is given as input to the second stage. */
+    pIn = pDst;
+
+    /* Reset to destination buffer working pointer */
+    pOut = pDst;
+
+    /*  Store the updated state variables back into the pState array */
+    /*  Store the updated state variables back into the pState array */
+    *pState++ = (q63_t) Xn1;
+    *pState++ = (q63_t) Xn2;
+    *pState++ = Yn1;
+    *pState++ = Yn2;
+
+  } while(--stage);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  do
+  {
+    /* Reading the coefficients */
+    b0 = *pCoeffs++;
+    b1 = *pCoeffs++;
+    b2 = *pCoeffs++;
+    a1 = *pCoeffs++;
+    a2 = *pCoeffs++;
+
+    /* Reading the state values */
+    Xn1 = pState[0];
+    Xn2 = pState[1];
+    Yn1 = pState[2];
+    Yn2 = pState[3];
+
+    /* The variable acc hold output value that is being computed and        
+     * stored in the destination buffer            
+     * acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2]            
+     */
+
+    sample = blockSize;
+
+    while(sample > 0u)
+    {
+      /* Read the input */
+      Xn = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      /* acc =  b0 * x[n] */
+      acc = (q63_t) Xn *b0;
+      /* acc +=  b1 * x[n-1] */
+      acc += (q63_t) Xn1 *b1;
+      /* acc +=  b[2] * x[n-2] */
+      acc += (q63_t) Xn2 *b2;
+      /* acc +=  a1 * y[n-1] */
+      acc += mult32x64(Yn1, a1);
+      /* acc +=  a2 * y[n-2] */
+      acc += mult32x64(Yn2, a2);
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc    */
+      Xn2 = Xn1;
+      Xn1 = Xn;
+      Yn2 = Yn1;
+
+      /* The result is converted to 1.63, Yn1 variable is reused  */
+      Yn1 = acc << shift;
+
+      /* Calc lower part of acc */
+      acc_l = acc & 0xffffffff;
+
+      /* Calc upper part of acc */
+      acc_h = (acc >> 32) & 0xffffffff;
+
+      /* Apply shift for lower part of acc and upper part of acc */
+      acc_h = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+      /* Store the output in the destination buffer in 1.31 format. */
+      *pOut++ = acc_h;
+
+      //Yn1 = acc << shift; 
+
+      /* Store the output in the destination buffer in 1.31 format. */
+      //*pOut++ = (q31_t) (acc >> (32 - shift)); 
+
+      /* decrement the loop counter */
+      sample--;
+    }
+
+    /*  The first stage output is given as input to the second stage. */
+    pIn = pDst;
+
+    /* Reset to destination buffer working pointer */
+    pOut = pDst;
+
+    /*  Store the updated state variables back into the pState array */
+    *pState++ = (q63_t) Xn1;
+    *pState++ = (q63_t) Xn2;
+    *pState++ = Yn1;
+    *pState++ = Yn2;
+
+  } while(--stage);
+
+#endif /*    #ifndef ARM_MATH_CM0     */
+}
+
+  /**    
+   * @} end of BiquadCascadeDF1_32x64 group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_f32.c
new file mode 100644
index 0000000000..4ea80e1615
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_f32.c
@@ -0,0 +1,421 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_biquad_cascade_df1_f32.c    
+*    
+* Description:	Processing function for the    
+*               floating-point Biquad cascade DirectFormI(DF1) filter.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @defgroup BiquadCascadeDF1 Biquad Cascade IIR Filters Using Direct Form I Structure    
+ *    
+ * This set of functions implements arbitrary order recursive (IIR) filters.    
+ * The filters are implemented as a cascade of second order Biquad sections.    
+ * The functions support Q15, Q31 and floating-point data types.  
+ * Fast version of Q15 and Q31 also supported on CortexM4 and Cortex-M3.    
+ *    
+ * The functions operate on blocks of input and output data and each call to the function    
+ * processes blockSize samples through the filter.    
+ * pSrc points to the array of input data and    
+ * pDst points to the array of output data.    
+ * Both arrays contain blockSize values.    
+ *    
+ * \par Algorithm    
+ * Each Biquad stage implements a second order filter using the difference equation:    
+ * 
    
+ *     y[n] = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2]    
+ * 
    
+ * A Direct Form I algorithm is used with 5 coefficients and 4 state variables per stage.    
+ * \image html Biquad.gif "Single Biquad filter stage"    
+ * Coefficients b0, b1 and b2  multiply the input signal x[n] and are referred to as the feedforward coefficients.    
+ * Coefficients a1 and a2 multiply the output signal y[n] and are referred to as the feedback coefficients.    
+ * Pay careful attention to the sign of the feedback coefficients.    
+ * Some design tools use the difference equation    
+ * 
    
+ *     y[n] = b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] - a1 * y[n-1] - a2 * y[n-2]    
+ * 
    
+ * In this case the feedback coefficients a1 and a2 must be negated when used with the CMSIS DSP Library.    
+ *    
+ * \par    
+ * Higher order filters are realized as a cascade of second order sections.    
+ * numStages refers to the number of second order stages used.    
+ * For example, an 8th order filter would be realized with numStages=4 second order stages.    
+ * \image html BiquadCascade.gif "8th order filter using a cascade of Biquad stages"    
+ * A 9th order filter would be realized with numStages=5 second order stages with the coefficients for one of the stages configured as a first order filter (b2=0 and a2=0).    
+ *    
+ * \par    
+ * The pState points to state variables array.    
+ * Each Biquad stage has 4 state variables x[n-1], x[n-2], y[n-1], and y[n-2].    
+ * The state variables are arranged in the pState array as:    
+ * 
    
+ *     {x[n-1], x[n-2], y[n-1], y[n-2]}    
+ * 
    
+ *    
+ * \par    
+ * The 4 state variables for stage 1 are first, then the 4 state variables for stage 2, and so on.    
+ * The state array has a total length of 4*numStages values.    
+ * The state variables are updated after each block of data is processed, the coefficients are untouched.    
+ *    
+ * \par Instance Structure    
+ * The coefficients and state variables for a filter are stored together in an instance data structure.    
+ * A separate instance structure must be defined for each filter.    
+ * Coefficient arrays may be shared among several instances while state variable arrays cannot be shared.    
+ * There are separate instance structure declarations for each of the 3 supported data types.    
+ *    
+ * \par Init Functions    
+ * There is also an associated initialization function for each data type.    
+ * The initialization function performs following operations:    
+ * - Sets the values of the internal structure fields.    
+ * - Zeros out the values in the state buffer.    
+ *    
+ * \par    
+ * Use of the initialization function is optional.    
+ * However, if the initialization function is used, then the instance structure cannot be placed into a const data section.    
+ * To place an instance structure into a const data section, the instance structure must be manually initialized.    
+ * Set the values in the state buffer to zeros before static initialization.    
+ * The code below statically initializes each of the 3 different data type filter instance structures    
+ * 
    
+ *     arm_biquad_casd_df1_inst_f32 S1 = {numStages, pState, pCoeffs};    
+ *     arm_biquad_casd_df1_inst_q15 S2 = {numStages, pState, pCoeffs, postShift};    
+ *     arm_biquad_casd_df1_inst_q31 S3 = {numStages, pState, pCoeffs, postShift};    
+ * 
    
+ * where numStages is the number of Biquad stages in the filter; pState is the address of the state buffer;    
+ * pCoeffs is the address of the coefficient buffer; postShift shift to be applied.    
+ *    
+ * \par Fixed-Point Behavior    
+ * Care must be taken when using the Q15 and Q31 versions of the Biquad Cascade filter functions.    
+ * Following issues must be considered:    
+ * - Scaling of coefficients    
+ * - Filter gain    
+ * - Overflow and saturation    
+ *    
+ * \par    
+ * Scaling of coefficients:     
+ * Filter coefficients are represented as fractional values and    
+ * coefficients are restricted to lie in the range [-1 +1).    
+ * The fixed-point functions have an additional scaling parameter postShift    
+ * which allow the filter coefficients to exceed the range [+1 -1).    
+ * At the output of the filter's accumulator is a shift register which shifts the result by postShift bits.    
+ * \image html BiquadPostshift.gif "Fixed-point Biquad with shift by postShift bits after accumulator"    
+ * This essentially scales the filter coefficients by 2^postShift.    
+ * For example, to realize the coefficients    
+ * 
    
+ *    {1.5, -0.8, 1.2, 1.6, -0.9}    
+ * 
    
+ * set the pCoeffs array to:    
+ * 
    
+ *    {0.75, -0.4, 0.6, 0.8, -0.45}    
+ * 
    
+ * and set postShift=1    
+ *    
+ * \par    
+ * Filter gain:     
+ * The frequency response of a Biquad filter is a function of its coefficients.    
+ * It is possible for the gain through the filter to exceed 1.0 meaning that the filter increases the amplitude of certain frequencies.    
+ * This means that an input signal with amplitude < 1.0 may result in an output > 1.0 and these are saturated or overflowed based on the implementation of the filter.    
+ * To avoid this behavior the filter needs to be scaled down such that its peak gain < 1.0 or the input signal must be scaled down so that the combination of input and filter are never overflowed.    
+ *    
+ * \par    
+ * Overflow and saturation:     
+ * For Q15 and Q31 versions, it is described separately as part of the function specific documentation below.    
+ */
+
+/**    
+ * @addtogroup BiquadCascadeDF1    
+ * @{    
+ */
+
+/**    
+ * @param[in]  *S         points to an instance of the floating-point Biquad cascade structure.    
+ * @param[in]  *pSrc      points to the block of input data.    
+ * @param[out] *pDst      points to the block of output data.    
+ * @param[in]  blockSize  number of samples to process per call.    
+ * @return     none.    
+ *    
+ */
+
+void arm_biquad_cascade_df1_f32(
+  const arm_biquad_casd_df1_inst_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  float32_t *pIn = pSrc;                         /*  source pointer            */
+  float32_t *pOut = pDst;                        /*  destination pointer       */
+  float32_t *pState = S->pState;                 /*  pState pointer            */
+  float32_t *pCoeffs = S->pCoeffs;               /*  coefficient pointer       */
+  float32_t acc;                                 /*  Simulates the accumulator */
+  float32_t b0, b1, b2, a1, a2;                  /*  Filter coefficients       */
+  float32_t Xn1, Xn2, Yn1, Yn2;                  /*  Filter pState variables   */
+  float32_t Xn;                                  /*  temporary input           */
+  uint32_t sample, stage = S->numStages;         /*  loop counters             */
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  do
+  {
+    /* Reading the coefficients */
+    b0 = *pCoeffs++;
+    b1 = *pCoeffs++;
+    b2 = *pCoeffs++;
+    a1 = *pCoeffs++;
+    a2 = *pCoeffs++;
+
+    /* Reading the pState values */
+    Xn1 = pState[0];
+    Xn2 = pState[1];
+    Yn1 = pState[2];
+    Yn2 = pState[3];
+
+    /* Apply loop unrolling and compute 4 output values simultaneously. */
+    /*      The variable acc hold output values that are being computed:    
+     *    
+     *    acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1]   + a2 * y[n-2]    
+     *    acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1]   + a2 * y[n-2]    
+     *    acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1]   + a2 * y[n-2]    
+     *    acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1]   + a2 * y[n-2]    
+     */
+
+    sample = blockSize >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+     ** a second loop below computes the remaining 1 to 3 samples. */
+    while(sample > 0u)
+    {
+      /* Read the first input */
+      Xn = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      Yn2 = (b0 * Xn) + (b1 * Xn1) + (b2 * Xn2) + (a1 * Yn1) + (a2 * Yn2);
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = Yn2;
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc   */
+
+      /* Read the second input */
+      Xn2 = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      Yn1 = (b0 * Xn2) + (b1 * Xn) + (b2 * Xn1) + (a1 * Yn2) + (a2 * Yn1);
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = Yn1;
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc   */
+
+      /* Read the third input */
+      Xn1 = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      Yn2 = (b0 * Xn1) + (b1 * Xn2) + (b2 * Xn) + (a1 * Yn1) + (a2 * Yn2);
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = Yn2;
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as: */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc   */
+
+      /* Read the forth input */
+      Xn = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      Yn1 = (b0 * Xn) + (b1 * Xn1) + (b2 * Xn2) + (a1 * Yn2) + (a2 * Yn1);
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = Yn1;
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc   */
+      Xn2 = Xn1;
+      Xn1 = Xn;
+
+      /* decrement the loop counter */
+      sample--;
+
+    }
+
+    /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+    sample = blockSize & 0x3u;
+
+    while(sample > 0u)
+    {
+      /* Read the input */
+      Xn = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      acc = (b0 * Xn) + (b1 * Xn1) + (b2 * Xn2) + (a1 * Yn1) + (a2 * Yn2);
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = acc;
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:    */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc   */
+      Xn2 = Xn1;
+      Xn1 = Xn;
+      Yn2 = Yn1;
+      Yn1 = acc;
+
+      /* decrement the loop counter */
+      sample--;
+
+    }
+
+    /*  Store the updated state variables back into the pState array */
+    *pState++ = Xn1;
+    *pState++ = Xn2;
+    *pState++ = Yn1;
+    *pState++ = Yn2;
+
+    /*  The first stage goes from the input buffer to the output buffer. */
+    /*  Subsequent numStages  occur in-place in the output buffer */
+    pIn = pDst;
+
+    /* Reset the output pointer */
+    pOut = pDst;
+
+    /* decrement the loop counter */
+    stage--;
+
+  } while(stage > 0u);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  do
+  {
+    /* Reading the coefficients */
+    b0 = *pCoeffs++;
+    b1 = *pCoeffs++;
+    b2 = *pCoeffs++;
+    a1 = *pCoeffs++;
+    a2 = *pCoeffs++;
+
+    /* Reading the pState values */
+    Xn1 = pState[0];
+    Xn2 = pState[1];
+    Yn1 = pState[2];
+    Yn2 = pState[3];
+
+    /*      The variables acc holds the output value that is computed:        
+     *    acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1]   + a2 * y[n-2]        
+     */
+
+    sample = blockSize;
+
+    while(sample > 0u)
+    {
+      /* Read the input */
+      Xn = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      acc = (b0 * Xn) + (b1 * Xn1) + (b2 * Xn2) + (a1 * Yn1) + (a2 * Yn2);
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = acc;
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:    */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc   */
+      Xn2 = Xn1;
+      Xn1 = Xn;
+      Yn2 = Yn1;
+      Yn1 = acc;
+
+      /* decrement the loop counter */
+      sample--;
+    }
+
+    /*  Store the updated state variables back into the pState array */
+    *pState++ = Xn1;
+    *pState++ = Xn2;
+    *pState++ = Yn1;
+    *pState++ = Yn2;
+
+    /*  The first stage goes from the input buffer to the output buffer. */
+    /*  Subsequent numStages  occur in-place in the output buffer */
+    pIn = pDst;
+
+    /* Reset the output pointer */
+    pOut = pDst;
+
+    /* decrement the loop counter */
+    stage--;
+
+  } while(stage > 0u);
+
+#endif /*   #ifndef ARM_MATH_CM0         */
+
+}
+
+
+  /**    
+   * @} end of BiquadCascadeDF1 group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_fast_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_fast_q15.c
new file mode 100644
index 0000000000..3d9b5f64aa
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_fast_q15.c
@@ -0,0 +1,283 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_biquad_cascade_df1_fast_q15.c    
+*    
+* Description:	Fast processing function for the    
+*				Q15 Biquad cascade filter.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.9  2010/08/16     
+*    Initial version    
+*    
+*    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup BiquadCascadeDF1    
+ * @{    
+ */
+
+/**    
+ * @details    
+ * @param[in]  *S points to an instance of the Q15 Biquad cascade structure.    
+ * @param[in]  *pSrc points to the block of input data.    
+ * @param[out] *pDst points to the block of output data.    
+ * @param[in]  blockSize number of samples to process per call.    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * This fast version uses a 32-bit accumulator with 2.30 format.    
+ * The accumulator maintains full precision of the intermediate multiplication results but provides only a single guard bit.    
+ * Thus, if the accumulator result overflows it wraps around and distorts the result.    
+ * In order to avoid overflows completely the input signal must be scaled down by two bits and lie in the range [-0.25 +0.25).    
+ * The 2.30 accumulator is then shifted by postShift bits and the result truncated to 1.15 format by discarding the low 16 bits.    
+ *    
+ * \par    
+ * Refer to the function arm_biquad_cascade_df1_q15() for a slower implementation of this function which uses 64-bit accumulation to avoid wrap around distortion.  Both the slow and the fast versions use the same instance structure.    
+ * Use the function arm_biquad_cascade_df1_init_q15() to initialize the filter structure.    
+ *    
+ */
+
+void arm_biquad_cascade_df1_fast_q15(
+  const arm_biquad_casd_df1_inst_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pIn = pSrc;                             /*  Source pointer                               */
+  q15_t *pOut = pDst;                            /*  Destination pointer                          */
+  q31_t in;                                      /*  Temporary variable to hold input value       */
+  q31_t out;                                     /*  Temporary variable to hold output value      */
+  q31_t b0;                                      /*  Temporary variable to hold bo value          */
+  q31_t b1, a1;                                  /*  Filter coefficients                          */
+  q31_t state_in, state_out;                     /*  Filter state variables                       */
+  q31_t acc;                                     /*  Accumulator                                  */
+  int32_t shift = (int32_t) (15 - S->postShift); /*  Post shift                                   */
+  q15_t *pState = S->pState;                     /*  State pointer                                */
+  q15_t *pCoeffs = S->pCoeffs;                   /*  Coefficient pointer                          */
+  uint32_t sample, stage = S->numStages;         /*  Stage loop counter                           */
+
+
+
+  do
+  {
+
+    /* Read the b0 and 0 coefficients using SIMD  */
+    b0 = *__SIMD32(pCoeffs)++;
+
+    /* Read the b1 and b2 coefficients using SIMD */
+    b1 = *__SIMD32(pCoeffs)++;
+
+    /* Read the a1 and a2 coefficients using SIMD */
+    a1 = *__SIMD32(pCoeffs)++;
+
+    /* Read the input state values from the state buffer:  x[n-1], x[n-2] */
+    state_in = *__SIMD32(pState)++;
+
+    /* Read the output state values from the state buffer:  y[n-1], y[n-2] */
+    state_out = *__SIMD32(pState)--;
+
+    /* Apply loop unrolling and compute 2 output values simultaneously. */
+    /*      The variable acc hold output values that are being computed:       
+     *    
+     *    acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2]       
+     *    acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2]       
+     */
+    sample = blockSize >> 1u;
+
+    /* First part of the processing with loop unrolling.  Compute 2 outputs at a time.    
+     ** a second loop below computes the remaining 1 sample. */
+    while(sample > 0u)
+    {
+
+      /* Read the input */
+      in = *__SIMD32(pIn)++;
+
+      /* out =  b0 * x[n] + 0 * 0 */
+      out = __SMUAD(b0, in);
+      /* acc =  b1 * x[n-1] + acc +=  b2 * x[n-2] + out */
+      acc = __SMLAD(b1, state_in, out);
+      /* acc +=  a1 * y[n-1] + acc +=  a2 * y[n-2] */
+      acc = __SMLAD(a1, state_out, acc);
+
+      /* The result is converted from 3.29 to 1.31 and then saturation is applied */
+      out = __SSAT((acc >> shift), 16);
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc   */
+      /* x[n-N], x[n-N-1] are packed together to make state_in of type q31 */
+      /* y[n-N], y[n-N-1] are packed together to make state_out of type q31 */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      state_in = __PKHBT(in, state_in, 16);
+      state_out = __PKHBT(out, state_out, 16);
+
+#else
+
+      state_in = __PKHBT(state_in >> 16, (in >> 16), 16);
+      state_out = __PKHBT(state_out >> 16, (out), 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+      /* out =  b0 * x[n] + 0 * 0 */
+      out = __SMUADX(b0, in);
+      /* acc0 =  b1 * x[n-1] , acc0 +=  b2 * x[n-2] + out */
+      acc = __SMLAD(b1, state_in, out);
+      /* acc +=  a1 * y[n-1] + acc +=  a2 * y[n-2] */
+      acc = __SMLAD(a1, state_out, acc);
+
+      /* The result is converted from 3.29 to 1.31 and then saturation is applied */
+      out = __SSAT((acc >> shift), 16);
+
+
+      /* Store the output in the destination buffer. */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      *__SIMD32(pOut)++ = __PKHBT(state_out, out, 16);
+
+#else
+
+      *__SIMD32(pOut)++ = __PKHBT(out, state_out >> 16, 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc   */
+      /* x[n-N], x[n-N-1] are packed together to make state_in of type q31 */
+      /* y[n-N], y[n-N-1] are packed together to make state_out of type q31 */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      state_in = __PKHBT(in >> 16, state_in, 16);
+      state_out = __PKHBT(out, state_out, 16);
+
+#else
+
+      state_in = __PKHBT(state_in >> 16, in, 16);
+      state_out = __PKHBT(state_out >> 16, out, 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+
+      /* Decrement the loop counter */
+      sample--;
+
+    }
+
+    /* If the blockSize is not a multiple of 2, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+
+    if((blockSize & 0x1u) != 0u)
+    {
+      /* Read the input */
+      in = *pIn++;
+
+      /* out =  b0 * x[n] + 0 * 0 */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      out = __SMUAD(b0, in);
+
+#else
+
+      out = __SMUADX(b0, in);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+      /* acc =  b1 * x[n-1], acc +=  b2 * x[n-2] + out */
+      acc = __SMLAD(b1, state_in, out);
+      /* acc +=  a1 * y[n-1] + acc +=  a2 * y[n-2] */
+      acc = __SMLAD(a1, state_out, acc);
+
+      /* The result is converted from 3.29 to 1.31 and then saturation is applied */
+      out = __SSAT((acc >> shift), 16);
+
+      /* Store the output in the destination buffer. */
+      *pOut++ = (q15_t) out;
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc   */
+      /* x[n-N], x[n-N-1] are packed together to make state_in of type q31 */
+      /* y[n-N], y[n-N-1] are packed together to make state_out of type q31 */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      state_in = __PKHBT(in, state_in, 16);
+      state_out = __PKHBT(out, state_out, 16);
+
+#else
+
+      state_in = __PKHBT(state_in >> 16, in, 16);
+      state_out = __PKHBT(state_out >> 16, out, 16);
+
+#endif /*   #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+    }
+
+    /*  The first stage goes from the input buffer to the output buffer.  */
+    /*  Subsequent (numStages - 1) occur in-place in the output buffer  */
+    pIn = pDst;
+
+    /* Reset the output pointer */
+    pOut = pDst;
+
+    /*  Store the updated state variables back into the state array */
+    *__SIMD32(pState)++ = state_in;
+    *__SIMD32(pState)++ = state_out;
+
+
+    /* Decrement the loop counter */
+    stage--;
+
+  } while(stage > 0u);
+}
+
+
+/**    
+ * @} end of BiquadCascadeDF1 group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_fast_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_fast_q31.c
new file mode 100644
index 0000000000..62f02502c1
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_fast_q31.c
@@ -0,0 +1,275 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_biquad_cascade_df1_fast_q31.c    
+*    
+* Description:	Processing function for the    
+*				Q31 Fast Biquad cascade DirectFormI(DF1) filter.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.9  2010/08/27     
+*    Initial version    
+*    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup BiquadCascadeDF1    
+ * @{    
+ */
+
+/**    
+ * @details    
+ *    
+ * @param[in]  *S        points to an instance of the Q31 Biquad cascade structure.    
+ * @param[in]  *pSrc     points to the block of input data.    
+ * @param[out] *pDst     points to the block of output data.    
+ * @param[in]  blockSize number of samples to process per call.    
+ * @return 	   none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * This function is optimized for speed at the expense of fixed-point precision and overflow protection.    
+ * The result of each 1.31 x 1.31 multiplication is truncated to 2.30 format.    
+ * These intermediate results are added to a 2.30 accumulator.    
+ * Finally, the accumulator is saturated and converted to a 1.31 result.    
+ * The fast version has the same overflow behavior as the standard version and provides less precision since it discards the low 32 bits of each multiplication result.    
+ * In order to avoid overflows completely the input signal must be scaled down by two bits and lie in the range [-0.25 +0.25). Use the intialization function    
+ * arm_biquad_cascade_df1_init_q31() to initialize filter structure.    
+ *    
+ * \par    
+ * Refer to the function arm_biquad_cascade_df1_q31() for a slower implementation of this function which uses 64-bit accumulation to provide higher precision.  Both the slow and the fast versions use the same instance structure.    
+ * Use the function arm_biquad_cascade_df1_init_q31() to initialize the filter structure.    
+ */
+
+void arm_biquad_cascade_df1_fast_q31(
+  const arm_biquad_casd_df1_inst_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  q31_t acc;                                     /*  accumulator                   */
+  q31_t Xn1, Xn2, Yn1, Yn2;                      /*  Filter state variables        */
+  q31_t b0, b1, b2, a1, a2;                      /*  Filter coefficients           */
+  q31_t *pIn = pSrc;                             /*  input pointer initialization  */
+  q31_t *pOut = pDst;                            /*  output pointer initialization */
+  q31_t *pState = S->pState;                     /*  pState pointer initialization */
+  q31_t *pCoeffs = S->pCoeffs;                   /*  coeff pointer initialization  */
+  q31_t Xn;                                      /*  temporary input               */
+  int32_t shift = (int32_t) S->postShift + 1;    /*  Shift to be applied to the output */
+  uint32_t sample, stage = S->numStages;         /*  loop counters                     */
+
+
+  do
+  {
+    /* Reading the coefficients */
+    b0 = *pCoeffs++;
+    b1 = *pCoeffs++;
+    b2 = *pCoeffs++;
+    a1 = *pCoeffs++;
+    a2 = *pCoeffs++;
+
+    /* Reading the state values */
+    Xn1 = pState[0];
+    Xn2 = pState[1];
+    Yn1 = pState[2];
+    Yn2 = pState[3];
+
+    /* Apply loop unrolling and compute 4 output values simultaneously. */
+    /*      The variables acc ... acc3 hold output values that are being computed:       
+     *       
+     *    acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2]       
+     */
+
+    sample = blockSize >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.       
+     ** a second loop below computes the remaining 1 to 3 samples. */
+    while(sample > 0u)
+    {
+      /* Read the input */
+      Xn = *pIn;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      /* acc =  b0 * x[n] */
+      acc = (q31_t) (((q63_t) b1 * Xn1) >> 32);
+      /* acc +=  b1 * x[n-1] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) b0 * (Xn))) >> 32);
+      /* acc +=  b[2] * x[n-2] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) b2 * (Xn2))) >> 32);
+      /* acc +=  a1 * y[n-1] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) a1 * (Yn1))) >> 32);
+      /* acc +=  a2 * y[n-2] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) a2 * (Yn2))) >> 32);
+
+      /* The result is converted to 1.31 , Yn2 variable is reused */
+      Yn2 = acc << shift;
+
+      /* Read the second input */
+      Xn2 = *(pIn + 1u);
+
+      /* Store the output in the destination buffer. */
+      *pOut = Yn2;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      /* acc =  b0 * x[n] */
+      acc = (q31_t) (((q63_t) b0 * (Xn2)) >> 32);
+      /* acc +=  b1 * x[n-1] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) b1 * (Xn))) >> 32);
+      /* acc +=  b[2] * x[n-2] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) b2 * (Xn1))) >> 32);
+      /* acc +=  a1 * y[n-1] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) a1 * (Yn2))) >> 32);
+      /* acc +=  a2 * y[n-2] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) a2 * (Yn1))) >> 32);
+
+      /* The result is converted to 1.31, Yn1 variable is reused  */
+      Yn1 = acc << shift;
+
+      /* Read the third input  */
+      Xn1 = *(pIn + 2u);
+
+      /* Store the output in the destination buffer. */
+      *(pOut + 1u) = Yn1;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      /* acc =  b0 * x[n] */
+      acc = (q31_t) (((q63_t) b0 * (Xn1)) >> 32);
+      /* acc +=  b1 * x[n-1] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) b1 * (Xn2))) >> 32);
+      /* acc +=  b[2] * x[n-2] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) b2 * (Xn))) >> 32);
+      /* acc +=  a1 * y[n-1] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) a1 * (Yn1))) >> 32);
+      /* acc +=  a2 * y[n-2] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) a2 * (Yn2))) >> 32);
+
+      /* The result is converted to 1.31, Yn2 variable is reused  */
+      Yn2 = acc << shift;
+
+      /* Read the forth input */
+      Xn = *(pIn + 3u);
+
+      /* Store the output in the destination buffer. */
+      *(pOut + 2u) = Yn2;
+      pIn += 4u;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      /* acc =  b0 * x[n] */
+      acc = (q31_t) (((q63_t) b0 * (Xn)) >> 32);
+      /* acc +=  b1 * x[n-1] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) b1 * (Xn1))) >> 32);
+      /* acc +=  b[2] * x[n-2] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) b2 * (Xn2))) >> 32);
+      /* acc +=  a1 * y[n-1] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) a1 * (Yn2))) >> 32);
+      /* acc +=  a2 * y[n-2] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) a2 * (Yn1))) >> 32);
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      Xn2 = Xn1;
+
+      /* The result is converted to 1.31, Yn1 variable is reused  */
+      Yn1 = acc << shift;
+
+      /* Xn1 = Xn     */
+      Xn1 = Xn;
+
+      /* Store the output in the destination buffer. */
+      *(pOut + 3u) = Yn1;
+      pOut += 4u;
+
+      /* decrement the loop counter */
+      sample--;
+    }
+
+    /* If the blockSize is not a multiple of 4, compute any remaining output samples here.       
+     ** No loop unrolling is used. */
+    sample = (blockSize & 0x3u);
+
+    while(sample > 0u)
+    {
+      /* Read the input */
+      Xn = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      /* acc =  b0 * x[n] */
+      acc = (q31_t) (((q63_t) b0 * (Xn)) >> 32);
+      /* acc +=  b1 * x[n-1] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) b1 * (Xn1))) >> 32);
+      /* acc +=  b[2] * x[n-2] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) b2 * (Xn2))) >> 32);
+      /* acc +=  a1 * y[n-1] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) a1 * (Yn1))) >> 32);
+      /* acc +=  a2 * y[n-2] */
+      acc = (q31_t) ((((q63_t) acc << 32) + ((q63_t) a2 * (Yn2))) >> 32);
+      /* The result is converted to 1.31  */
+      acc = acc << shift;
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc    */
+      Xn2 = Xn1;
+      Xn1 = Xn;
+      Yn2 = Yn1;
+      Yn1 = acc;
+
+      /* Store the output in the destination buffer. */
+      *pOut++ = acc;
+
+      /* decrement the loop counter */
+      sample--;
+    }
+
+    /*  The first stage goes from the input buffer to the output buffer. */
+    /*  Subsequent stages occur in-place in the output buffer */
+    pIn = pDst;
+
+    /* Reset to destination pointer */
+    pOut = pDst;
+
+    /*  Store the updated state variables back into the pState array */
+    *pState++ = Xn1;
+    *pState++ = Xn2;
+    *pState++ = Yn1;
+    *pState++ = Yn2;
+
+  } while(--stage);
+}
+
+/**    
+  * @} end of BiquadCascadeDF1 group    
+  */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_init_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_init_f32.c
new file mode 100644
index 0000000000..b5032a55f1
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_init_f32.c
@@ -0,0 +1,107 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_biquad_cascade_df1_init_f32.c    
+*    
+* Description:  floating-point Biquad cascade DirectFormI(DF1) filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup BiquadCascadeDF1    
+ * @{    
+ */
+
+/**    
+ * @details    
+ * @brief  Initialization function for the floating-point Biquad cascade filter.    
+ * @param[in,out] *S           points to an instance of the floating-point Biquad cascade structure.    
+ * @param[in]     numStages    number of 2nd order stages in the filter.    
+ * @param[in]     *pCoeffs     points to the filter coefficients array.    
+ * @param[in]     *pState      points to the state array.    
+ * @return        none    
+ *    
+ *    
+ * Coefficient and State Ordering:    
+ *    
+ * \par    
+ * The coefficients are stored in the array pCoeffs in the following order:    
+ * 
    
+ *     {b10, b11, b12, a11, a12, b20, b21, b22, a21, a22, ...}    
+ * 
    
+ *    
+ * \par    
+ * where b1x and a1x are the coefficients for the first stage,    
+ * b2x and a2x are the coefficients for the second stage,    
+ * and so on.  The pCoeffs array contains a total of 5*numStages values.    
+ *    
+ * \par    
+ * The pState is a pointer to state array.    
+ * Each Biquad stage has 4 state variables x[n-1], x[n-2], y[n-1], and y[n-2].    
+ * The state variables are arranged in the pState array as:    
+ * 
    
+ *     {x[n-1], x[n-2], y[n-1], y[n-2]}    
+ * 
    
+ * The 4 state variables for stage 1 are first, then the 4 state variables for stage 2, and so on.    
+ * The state array has a total length of 4*numStages values.    
+ * The state variables are updated after each block of data is processed; the coefficients are untouched.    
+ *    
+ */
+
+void arm_biquad_cascade_df1_init_f32(
+  arm_biquad_casd_df1_inst_f32 * S,
+  uint8_t numStages,
+  float32_t * pCoeffs,
+  float32_t * pState)
+{
+  /* Assign filter stages */
+  S->numStages = numStages;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and size is always 4 * numStages */
+  memset(pState, 0, (4u * (uint32_t) numStages) * sizeof(float32_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+}
+
+/**    
+ * @} end of BiquadCascadeDF1 group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_init_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_init_q15.c
new file mode 100644
index 0000000000..fa102f681b
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_init_q15.c
@@ -0,0 +1,109 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_biquad_cascade_df1_init_q15.c    
+*    
+* Description:  Q15 Biquad cascade DirectFormI(DF1) filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup BiquadCascadeDF1    
+ * @{    
+ */
+
+/**    
+ * @details    
+ *    
+ * @param[in,out] *S           points to an instance of the Q15 Biquad cascade structure.    
+ * @param[in]     numStages    number of 2nd order stages in the filter.    
+ * @param[in]     *pCoeffs     points to the filter coefficients.    
+ * @param[in]     *pState      points to the state buffer.    
+ * @param[in]     postShift    Shift to be applied to the accumulator result. Varies according to the coefficients format    
+ * @return        none    
+ *    
+ * Coefficient and State Ordering:    
+ *    
+ * \par    
+ * The coefficients are stored in the array pCoeffs in the following order:    
+ * 
    
+ *     {b10, 0, b11, b12, a11, a12, b20, 0, b21, b22, a21, a22, ...}    
+ * 
    
+ * where b1x and a1x are the coefficients for the first stage,    
+ * b2x and a2x are the coefficients for the second stage,    
+ * and so on.  The pCoeffs array contains a total of 6*numStages values.    
+ * The zero coefficient between b1 and b2 facilities  use of 16-bit SIMD instructions on the Cortex-M4.    
+ *    
+ * \par    
+ * The state variables are stored in the array pState.    
+ * Each Biquad stage has 4 state variables x[n-1], x[n-2], y[n-1], and y[n-2].    
+ * The state variables are arranged in the pState array as:    
+ * 
    
+ *     {x[n-1], x[n-2], y[n-1], y[n-2]}    
+ * 
    
+ * The 4 state variables for stage 1 are first, then the 4 state variables for stage 2, and so on.    
+ * The state array has a total length of 4*numStages values.    
+ * The state variables are updated after each block of data is processed; the coefficients are untouched.    
+ */
+
+void arm_biquad_cascade_df1_init_q15(
+  arm_biquad_casd_df1_inst_q15 * S,
+  uint8_t numStages,
+  q15_t * pCoeffs,
+  q15_t * pState,
+  int8_t postShift)
+{
+  /* Assign filter stages */
+  S->numStages = numStages;
+
+  /* Assign postShift to be applied to the output */
+  S->postShift = postShift;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and size is always 4 * numStages */
+  memset(pState, 0, (4u * (uint32_t) numStages) * sizeof(q15_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+}
+
+/**    
+ * @} end of BiquadCascadeDF1 group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_init_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_init_q31.c
new file mode 100644
index 0000000000..74eea26474
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_init_q31.c
@@ -0,0 +1,109 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_biquad_cascade_df1_init_q31.c    
+*    
+* Description:	Q31 Biquad cascade DirectFormI(DF1) filter initialization function.    
+*    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup BiquadCascadeDF1    
+ * @{    
+ */
+
+/**    
+ * @details    
+ *    
+ * @param[in,out] *S           points to an instance of the Q31 Biquad cascade structure.    
+ * @param[in]     numStages    number of 2nd order stages in the filter.    
+ * @param[in]     *pCoeffs     points to the filter coefficients buffer.    
+ * @param[in]     *pState      points to the state buffer.    
+ * @param[in]     postShift    Shift to be applied after the accumulator.  Varies according to the coefficients format    
+ * @return        none    
+ *    
+ * Coefficient and State Ordering:    
+ *    
+ * \par    
+ * The coefficients are stored in the array pCoeffs in the following order:    
+ * 
    
+ *     {b10, b11, b12, a11, a12, b20, b21, b22, a21, a22, ...}    
+ * 
    
+ * where b1x and a1x are the coefficients for the first stage,    
+ * b2x and a2x are the coefficients for the second stage,    
+ * and so on.  The pCoeffs array contains a total of 5*numStages values.    
+ *    
+ * \par    
+ * The pState points to state variables array.    
+ * Each Biquad stage has 4 state variables x[n-1], x[n-2], y[n-1], and y[n-2].    
+ * The state variables are arranged in the pState array as:    
+ * 
    
+ *     {x[n-1], x[n-2], y[n-1], y[n-2]}    
+ * 
    
+ * The 4 state variables for stage 1 are first, then the 4 state variables for stage 2, and so on.    
+ * The state array has a total length of 4*numStages values.    
+ * The state variables are updated after each block of data is processed; the coefficients are untouched.    
+ */
+
+void arm_biquad_cascade_df1_init_q31(
+  arm_biquad_casd_df1_inst_q31 * S,
+  uint8_t numStages,
+  q31_t * pCoeffs,
+  q31_t * pState,
+  int8_t postShift)
+{
+  /* Assign filter stages */
+  S->numStages = numStages;
+
+  /* Assign postShift to be applied to the output */
+  S->postShift = postShift;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and size is always 4 * numStages */
+  memset(pState, 0, (4u * (uint32_t) numStages) * sizeof(q31_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+}
+
+/**    
+ * @} end of BiquadCascadeDF1 group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_q15.c
new file mode 100644
index 0000000000..3109c08602
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_q15.c
@@ -0,0 +1,408 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_biquad_cascade_df1_q15.c    
+*    
+* Description:	Processing function for the    
+*				Q15 Biquad cascade DirectFormI(DF1) filter.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup BiquadCascadeDF1    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the Q15 Biquad cascade filter.    
+ * @param[in]  *S points to an instance of the Q15 Biquad cascade structure.    
+ * @param[in]  *pSrc points to the block of input data.    
+ * @param[out] *pDst points to the location where the output result is written.    
+ * @param[in]  blockSize number of samples to process per call.    
+ * @return none.    
+ *    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using a 64-bit internal accumulator.    
+ * Both coefficients and state variables are represented in 1.15 format and multiplications yield a 2.30 result.    
+ * The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format.    
+ * There is no risk of internal overflow with this approach and the full precision of intermediate multiplications is preserved.    
+ * The accumulator is then shifted by postShift bits to truncate the result to 1.15 format by discarding the low 16 bits.    
+ * Finally, the result is saturated to 1.15 format.    
+ *    
+ * \par    
+ * Refer to the function arm_biquad_cascade_df1_fast_q15() for a faster but less precise implementation of this filter for Cortex-M3 and Cortex-M4.    
+ */
+
+void arm_biquad_cascade_df1_q15(
+  const arm_biquad_casd_df1_inst_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q15_t *pIn = pSrc;                             /*  Source pointer                               */
+  q15_t *pOut = pDst;                            /*  Destination pointer                          */
+  q31_t in;                                      /*  Temporary variable to hold input value       */
+  q31_t out;                                     /*  Temporary variable to hold output value      */
+  q31_t b0;                                      /*  Temporary variable to hold bo value          */
+  q31_t b1, a1;                                  /*  Filter coefficients                          */
+  q31_t state_in, state_out;                     /*  Filter state variables                       */
+  q31_t acc_l, acc_h;
+  q63_t acc;                                     /*  Accumulator                                  */
+  int32_t lShift = (15 - (int32_t) S->postShift);       /*  Post shift                                   */
+  q15_t *pState = S->pState;                     /*  State pointer                                */
+  q15_t *pCoeffs = S->pCoeffs;                   /*  Coefficient pointer                          */
+  uint32_t sample, stage = (uint32_t) S->numStages;     /*  Stage loop counter                           */
+  int32_t uShift = (32 - lShift);
+
+  do
+  {
+    /* Read the b0 and 0 coefficients using SIMD  */
+    b0 = *__SIMD32(pCoeffs)++;
+
+    /* Read the b1 and b2 coefficients using SIMD */
+    b1 = *__SIMD32(pCoeffs)++;
+
+    /* Read the a1 and a2 coefficients using SIMD */
+    a1 = *__SIMD32(pCoeffs)++;
+
+    /* Read the input state values from the state buffer:  x[n-1], x[n-2] */
+    state_in = *__SIMD32(pState)++;
+
+    /* Read the output state values from the state buffer:  y[n-1], y[n-2] */
+    state_out = *__SIMD32(pState)--;
+
+    /* Apply loop unrolling and compute 2 output values simultaneously. */
+    /*      The variable acc hold output values that are being computed:    
+     *    
+     *    acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2]    
+     *    acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2]    
+     */
+    sample = blockSize >> 1u;
+
+    /* First part of the processing with loop unrolling.  Compute 2 outputs at a time.    
+     ** a second loop below computes the remaining 1 sample. */
+    while(sample > 0u)
+    {
+
+      /* Read the input */
+      in = *__SIMD32(pIn)++;
+
+      /* out =  b0 * x[n] + 0 * 0 */
+      out = __SMUAD(b0, in);
+
+      /* acc +=  b1 * x[n-1] +  b2 * x[n-2] + out */
+      acc = __SMLALD(b1, state_in, out);
+      /* acc +=  a1 * y[n-1] +  a2 * y[n-2] */
+      acc = __SMLALD(a1, state_out, acc);
+
+      /* The result is converted from 3.29 to 1.31 if postShift = 1, and then saturation is applied */
+      /* Calc lower part of acc */
+      acc_l = acc & 0xffffffff;
+
+      /* Calc upper part of acc */
+      acc_h = (acc >> 32) & 0xffffffff;
+
+      /* Apply shift for lower part of acc and upper part of acc */
+      out = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+      out = __SSAT(out, 16);
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc   */
+      /* x[n-N], x[n-N-1] are packed together to make state_in of type q31 */
+      /* y[n-N], y[n-N-1] are packed together to make state_out of type q31 */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      state_in = __PKHBT(in, state_in, 16);
+      state_out = __PKHBT(out, state_out, 16);
+
+#else
+
+      state_in = __PKHBT(state_in >> 16, (in >> 16), 16);
+      state_out = __PKHBT(state_out >> 16, (out), 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+      /* out =  b0 * x[n] + 0 * 0 */
+      out = __SMUADX(b0, in);
+      /* acc +=  b1 * x[n-1] +  b2 * x[n-2] + out */
+      acc = __SMLALD(b1, state_in, out);
+      /* acc +=  a1 * y[n-1] + a2 * y[n-2] */
+      acc = __SMLALD(a1, state_out, acc);
+
+      /* The result is converted from 3.29 to 1.31 if postShift = 1, and then saturation is applied */
+      /* Calc lower part of acc */
+      acc_l = acc & 0xffffffff;
+
+      /* Calc upper part of acc */
+      acc_h = (acc >> 32) & 0xffffffff;
+
+      /* Apply shift for lower part of acc and upper part of acc */
+      out = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+      out = __SSAT(out, 16);
+
+      /* Store the output in the destination buffer. */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      *__SIMD32(pOut)++ = __PKHBT(state_out, out, 16);
+
+#else
+
+      *__SIMD32(pOut)++ = __PKHBT(out, state_out >> 16, 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc   */
+      /* x[n-N], x[n-N-1] are packed together to make state_in of type q31 */
+      /* y[n-N], y[n-N-1] are packed together to make state_out of type q31 */
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      state_in = __PKHBT(in >> 16, state_in, 16);
+      state_out = __PKHBT(out, state_out, 16);
+
+#else
+
+      state_in = __PKHBT(state_in >> 16, in, 16);
+      state_out = __PKHBT(state_out >> 16, out, 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+
+      /* Decrement the loop counter */
+      sample--;
+
+    }
+
+    /* If the blockSize is not a multiple of 2, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+
+    if((blockSize & 0x1u) != 0u)
+    {
+      /* Read the input */
+      in = *pIn++;
+
+      /* out =  b0 * x[n] + 0 * 0 */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      out = __SMUAD(b0, in);
+
+#else
+
+      out = __SMUADX(b0, in);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+      /* acc =  b1 * x[n-1] + b2 * x[n-2] + out */
+      acc = __SMLALD(b1, state_in, out);
+      /* acc +=  a1 * y[n-1] + a2 * y[n-2] */
+      acc = __SMLALD(a1, state_out, acc);
+
+      /* The result is converted from 3.29 to 1.31 if postShift = 1, and then saturation is applied */
+      /* Calc lower part of acc */
+      acc_l = acc & 0xffffffff;
+
+      /* Calc upper part of acc */
+      acc_h = (acc >> 32) & 0xffffffff;
+
+      /* Apply shift for lower part of acc and upper part of acc */
+      out = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+      out = __SSAT(out, 16);
+
+      /* Store the output in the destination buffer. */
+      *pOut++ = (q15_t) out;
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc   */
+      /* x[n-N], x[n-N-1] are packed together to make state_in of type q31 */
+      /* y[n-N], y[n-N-1] are packed together to make state_out of type q31 */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      state_in = __PKHBT(in, state_in, 16);
+      state_out = __PKHBT(out, state_out, 16);
+
+#else
+
+      state_in = __PKHBT(state_in >> 16, in, 16);
+      state_out = __PKHBT(state_out >> 16, out, 16);
+
+#endif /*   #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+    }
+
+    /*  The first stage goes from the input wire to the output wire.  */
+    /*  Subsequent numStages occur in-place in the output wire  */
+    pIn = pDst;
+
+    /* Reset the output pointer */
+    pOut = pDst;
+
+    /*  Store the updated state variables back into the state array */
+    *__SIMD32(pState)++ = state_in;
+    *__SIMD32(pState)++ = state_out;
+
+
+    /* Decrement the loop counter */
+    stage--;
+
+  } while(stage > 0u);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q15_t *pIn = pSrc;                             /*  Source pointer                               */
+  q15_t *pOut = pDst;                            /*  Destination pointer                          */
+  q15_t b0, b1, b2, a1, a2;                      /*  Filter coefficients           */
+  q15_t Xn1, Xn2, Yn1, Yn2;                      /*  Filter state variables        */
+  q15_t Xn;                                      /*  temporary input               */
+  q63_t acc;                                     /*  Accumulator                                  */
+  int32_t shift = (15 - (int32_t) S->postShift); /*  Post shift                                   */
+  q15_t *pState = S->pState;                     /*  State pointer                                */
+  q15_t *pCoeffs = S->pCoeffs;                   /*  Coefficient pointer                          */
+  uint32_t sample, stage = (uint32_t) S->numStages;     /*  Stage loop counter                           */
+
+  do
+  {
+    /* Reading the coefficients */
+    b0 = *pCoeffs++;
+    b1 = *pCoeffs++;
+    b2 = *pCoeffs++;
+    a1 = *pCoeffs++;
+    a2 = *pCoeffs++;
+
+    /* Reading the state values */
+    Xn1 = pState[0];
+    Xn2 = pState[1];
+    Yn1 = pState[2];
+    Yn2 = pState[3];
+
+    /*      The variables acc holds the output value that is computed:         
+     *    acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2]         
+     */
+
+    sample = blockSize;
+
+    while(sample > 0u)
+    {
+      /* Read the input */
+      Xn = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      /* acc =  b0 * x[n] */
+      acc = (q31_t) b0 *Xn;
+
+      /* acc +=  b1 * x[n-1] */
+      acc += (q31_t) b1 *Xn1;
+      /* acc +=  b[2] * x[n-2] */
+      acc += (q31_t) b2 *Xn2;
+      /* acc +=  a1 * y[n-1] */
+      acc += (q31_t) a1 *Yn1;
+      /* acc +=  a2 * y[n-2] */
+      acc += (q31_t) a2 *Yn2;
+
+      /* The result is converted to 1.31  */
+      acc = __SSAT((acc >> shift), 16);
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc    */
+      Xn2 = Xn1;
+      Xn1 = Xn;
+      Yn2 = Yn1;
+      Yn1 = (q15_t) acc;
+
+      /* Store the output in the destination buffer. */
+      *pOut++ = (q15_t) acc;
+
+      /* decrement the loop counter */
+      sample--;
+    }
+
+    /*  The first stage goes from the input buffer to the output buffer. */
+    /*  Subsequent stages occur in-place in the output buffer */
+    pIn = pDst;
+
+    /* Reset to destination pointer */
+    pOut = pDst;
+
+    /*  Store the updated state variables back into the pState array */
+    *pState++ = Xn1;
+    *pState++ = Xn2;
+    *pState++ = Yn1;
+    *pState++ = Yn2;
+
+  } while(--stage);
+
+#endif /*     #ifndef ARM_MATH_CM0 */
+
+}
+
+
+/**    
+ * @} end of BiquadCascadeDF1 group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_q31.c
new file mode 100644
index 0000000000..53a7a1047a
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df1_q31.c
@@ -0,0 +1,400 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_biquad_cascade_df1_q31.c    
+*    
+* Description:	Processing function for the    
+*				Q31 Biquad cascade filter    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup BiquadCascadeDF1    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the Q31 Biquad cascade filter.    
+ * @param[in]  *S         points to an instance of the Q31 Biquad cascade structure.    
+ * @param[in]  *pSrc      points to the block of input data.    
+ * @param[out] *pDst      points to the block of output data.    
+ * @param[in]  blockSize  number of samples to process per call.    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using an internal 64-bit accumulator.    
+ * The accumulator has a 2.62 format and maintains full precision of the intermediate multiplication results but provides only a single guard bit.    
+ * Thus, if the accumulator result overflows it wraps around rather than clip.    
+ * In order to avoid overflows completely the input signal must be scaled down by 2 bits and lie in the range [-0.25 +0.25).    
+ * After all 5 multiply-accumulates are performed, the 2.62 accumulator is shifted by postShift bits and the result truncated to    
+ * 1.31 format by discarding the low 32 bits.    
+ *    
+ * \par    
+ * Refer to the function arm_biquad_cascade_df1_fast_q31() for a faster but less precise implementation of this filter for Cortex-M3 and Cortex-M4.    
+ */
+
+void arm_biquad_cascade_df1_q31(
+  const arm_biquad_casd_df1_inst_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  q63_t acc;                                     /*  accumulator                   */
+  uint32_t uShift = ((uint32_t) S->postShift + 1u);
+  uint32_t lShift = 32u - uShift;                /*  Shift to be applied to the output */
+  q31_t *pIn = pSrc;                             /*  input pointer initialization  */
+  q31_t *pOut = pDst;                            /*  output pointer initialization */
+  q31_t *pState = S->pState;                     /*  pState pointer initialization */
+  q31_t *pCoeffs = S->pCoeffs;                   /*  coeff pointer initialization  */
+  q31_t Xn1, Xn2, Yn1, Yn2;                      /*  Filter state variables        */
+  q31_t b0, b1, b2, a1, a2;                      /*  Filter coefficients           */
+  q31_t Xn;                                      /*  temporary input               */
+  uint32_t sample, stage = S->numStages;         /*  loop counters                     */
+
+
+#ifndef ARM_MATH_CM0
+
+  q31_t acc_l, acc_h;                            /*  temporary output variables    */
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  do
+  {
+    /* Reading the coefficients */
+    b0 = *pCoeffs++;
+    b1 = *pCoeffs++;
+    b2 = *pCoeffs++;
+    a1 = *pCoeffs++;
+    a2 = *pCoeffs++;
+
+    /* Reading the state values */
+    Xn1 = pState[0];
+    Xn2 = pState[1];
+    Yn1 = pState[2];
+    Yn2 = pState[3];
+
+    /* Apply loop unrolling and compute 4 output values simultaneously. */
+    /*      The variable acc hold output values that are being computed:    
+     *    
+     *    acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2]    
+     */
+
+    sample = blockSize >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+     ** a second loop below computes the remaining 1 to 3 samples. */
+    while(sample > 0u)
+    {
+      /* Read the input */
+      Xn = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+
+      /* acc =  b0 * x[n] */
+      acc = (q63_t) b0 *Xn;
+      /* acc +=  b1 * x[n-1] */
+      acc += (q63_t) b1 *Xn1;
+      /* acc +=  b[2] * x[n-2] */
+      acc += (q63_t) b2 *Xn2;
+      /* acc +=  a1 * y[n-1] */
+      acc += (q63_t) a1 *Yn1;
+      /* acc +=  a2 * y[n-2] */
+      acc += (q63_t) a2 *Yn2;
+
+      /* The result is converted to 1.31 , Yn2 variable is reused */
+
+      /* Calc lower part of acc */
+      acc_l = acc & 0xffffffff;
+
+      /* Calc upper part of acc */
+      acc_h = (acc >> 32) & 0xffffffff;
+
+      /* Apply shift for lower part of acc and upper part of acc */
+      Yn2 = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+      /* Store the output in the destination buffer. */
+      *pOut++ = Yn2;
+
+      /* Read the second input */
+      Xn2 = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+
+      /* acc =  b0 * x[n] */
+      acc = (q63_t) b0 *Xn2;
+      /* acc +=  b1 * x[n-1] */
+      acc += (q63_t) b1 *Xn;
+      /* acc +=  b[2] * x[n-2] */
+      acc += (q63_t) b2 *Xn1;
+      /* acc +=  a1 * y[n-1] */
+      acc += (q63_t) a1 *Yn2;
+      /* acc +=  a2 * y[n-2] */
+      acc += (q63_t) a2 *Yn1;
+
+
+      /* The result is converted to 1.31, Yn1 variable is reused  */
+
+      /* Calc lower part of acc */
+      acc_l = acc & 0xffffffff;
+
+      /* Calc upper part of acc */
+      acc_h = (acc >> 32) & 0xffffffff;
+
+
+      /* Apply shift for lower part of acc and upper part of acc */
+      Yn1 = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+      /* Store the output in the destination buffer. */
+      *pOut++ = Yn1;
+
+      /* Read the third input  */
+      Xn1 = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+
+      /* acc =  b0 * x[n] */
+      acc = (q63_t) b0 *Xn1;
+      /* acc +=  b1 * x[n-1] */
+      acc += (q63_t) b1 *Xn2;
+      /* acc +=  b[2] * x[n-2] */
+      acc += (q63_t) b2 *Xn;
+      /* acc +=  a1 * y[n-1] */
+      acc += (q63_t) a1 *Yn1;
+      /* acc +=  a2 * y[n-2] */
+      acc += (q63_t) a2 *Yn2;
+
+      /* The result is converted to 1.31, Yn2 variable is reused  */
+      /* Calc lower part of acc */
+      acc_l = acc & 0xffffffff;
+
+      /* Calc upper part of acc */
+      acc_h = (acc >> 32) & 0xffffffff;
+
+
+      /* Apply shift for lower part of acc and upper part of acc */
+      Yn2 = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+      /* Store the output in the destination buffer. */
+      *pOut++ = Yn2;
+
+      /* Read the forth input */
+      Xn = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+
+      /* acc =  b0 * x[n] */
+      acc = (q63_t) b0 *Xn;
+      /* acc +=  b1 * x[n-1] */
+      acc += (q63_t) b1 *Xn1;
+      /* acc +=  b[2] * x[n-2] */
+      acc += (q63_t) b2 *Xn2;
+      /* acc +=  a1 * y[n-1] */
+      acc += (q63_t) a1 *Yn2;
+      /* acc +=  a2 * y[n-2] */
+      acc += (q63_t) a2 *Yn1;
+
+      /* The result is converted to 1.31, Yn1 variable is reused  */
+      /* Calc lower part of acc */
+      acc_l = acc & 0xffffffff;
+
+      /* Calc upper part of acc */
+      acc_h = (acc >> 32) & 0xffffffff;
+
+      /* Apply shift for lower part of acc and upper part of acc */
+      Yn1 = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc    */
+      Xn2 = Xn1;
+      Xn1 = Xn;
+
+      /* Store the output in the destination buffer. */
+      *pOut++ = Yn1;
+
+      /* decrement the loop counter */
+      sample--;
+    }
+
+    /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+    sample = (blockSize & 0x3u);
+
+    while(sample > 0u)
+    {
+      /* Read the input */
+      Xn = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+
+      /* acc =  b0 * x[n] */
+      acc = (q63_t) b0 *Xn;
+      /* acc +=  b1 * x[n-1] */
+      acc += (q63_t) b1 *Xn1;
+      /* acc +=  b[2] * x[n-2] */
+      acc += (q63_t) b2 *Xn2;
+      /* acc +=  a1 * y[n-1] */
+      acc += (q63_t) a1 *Yn1;
+      /* acc +=  a2 * y[n-2] */
+      acc += (q63_t) a2 *Yn2;
+
+      /* The result is converted to 1.31  */
+      acc = acc >> lShift;
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc    */
+      Xn2 = Xn1;
+      Xn1 = Xn;
+      Yn2 = Yn1;
+      Yn1 = (q31_t) acc;
+
+      /* Store the output in the destination buffer. */
+      *pOut++ = (q31_t) acc;
+
+      /* decrement the loop counter */
+      sample--;
+    }
+
+    /*  The first stage goes from the input buffer to the output buffer. */
+    /*  Subsequent stages occur in-place in the output buffer */
+    pIn = pDst;
+
+    /* Reset to destination pointer */
+    pOut = pDst;
+
+    /*  Store the updated state variables back into the pState array */
+    *pState++ = Xn1;
+    *pState++ = Xn2;
+    *pState++ = Yn1;
+    *pState++ = Yn2;
+
+  } while(--stage);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  do
+  {
+    /* Reading the coefficients */
+    b0 = *pCoeffs++;
+    b1 = *pCoeffs++;
+    b2 = *pCoeffs++;
+    a1 = *pCoeffs++;
+    a2 = *pCoeffs++;
+
+    /* Reading the state values */
+    Xn1 = pState[0];
+    Xn2 = pState[1];
+    Yn1 = pState[2];
+    Yn2 = pState[3];
+
+    /*      The variables acc holds the output value that is computed:         
+     *    acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2]         
+     */
+
+    sample = blockSize;
+
+    while(sample > 0u)
+    {
+      /* Read the input */
+      Xn = *pIn++;
+
+      /* acc =  b0 * x[n] + b1 * x[n-1] + b2 * x[n-2] + a1 * y[n-1] + a2 * y[n-2] */
+      /* acc =  b0 * x[n] */
+      acc = (q63_t) b0 *Xn;
+
+      /* acc +=  b1 * x[n-1] */
+      acc += (q63_t) b1 *Xn1;
+      /* acc +=  b[2] * x[n-2] */
+      acc += (q63_t) b2 *Xn2;
+      /* acc +=  a1 * y[n-1] */
+      acc += (q63_t) a1 *Yn1;
+      /* acc +=  a2 * y[n-2] */
+      acc += (q63_t) a2 *Yn2;
+
+      /* The result is converted to 1.31  */
+      acc = acc >> lShift;
+
+      /* Every time after the output is computed state should be updated. */
+      /* The states should be updated as:  */
+      /* Xn2 = Xn1    */
+      /* Xn1 = Xn     */
+      /* Yn2 = Yn1    */
+      /* Yn1 = acc    */
+      Xn2 = Xn1;
+      Xn1 = Xn;
+      Yn2 = Yn1;
+      Yn1 = (q31_t) acc;
+
+      /* Store the output in the destination buffer. */
+      *pOut++ = (q31_t) acc;
+
+      /* decrement the loop counter */
+      sample--;
+    }
+
+    /*  The first stage goes from the input buffer to the output buffer. */
+    /*  Subsequent stages occur in-place in the output buffer */
+    pIn = pDst;
+
+    /* Reset to destination pointer */
+    pOut = pDst;
+
+    /*  Store the updated state variables back into the pState array */
+    *pState++ = Xn1;
+    *pState++ = Xn2;
+    *pState++ = Yn1;
+    *pState++ = Yn2;
+
+  } while(--stage);
+
+#endif /*  #ifndef ARM_MATH_CM0 */
+}
+
+/**    
+  * @} end of BiquadCascadeDF1 group    
+  */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df2T_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df2T_f32.c
new file mode 100644
index 0000000000..0b81422fff
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df2T_f32.c
@@ -0,0 +1,377 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_biquad_cascade_df2T_f32.c    
+*    
+* Description:  Processing function for the floating-point transposed    
+*               direct form II Biquad cascade filter.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**       
+ * @ingroup groupFilters       
+ */
+
+/**       
+ * @defgroup BiquadCascadeDF2T Biquad Cascade IIR Filters Using a Direct Form II Transposed Structure       
+ *       
+ * This set of functions implements arbitrary order recursive (IIR) filters using a transposed direct form II structure.       
+ * The filters are implemented as a cascade of second order Biquad sections.       
+ * These functions provide a slight memory savings as compared to the direct form I Biquad filter functions.      
+ * Only floating-point data is supported.       
+ *       
+ * This function operate on blocks of input and output data and each call to the function       
+ * processes blockSize samples through the filter.       
+ * pSrc points to the array of input data and       
+ * pDst points to the array of output data.       
+ * Both arrays contain blockSize values.       
+ *       
+ * \par Algorithm       
+ * Each Biquad stage implements a second order filter using the difference equation:       
+ * 
       
+ *    y[n] = b0 * x[n] + d1       
+ *    d1 = b1 * x[n] + a1 * y[n] + d2       
+ *    d2 = b2 * x[n] + a2 * y[n]       
+ * 
       
+ * where d1 and d2 represent the two state values.       
+ *       
+ * \par       
+ * A Biquad filter using a transposed Direct Form II structure is shown below.       
+ * \image html BiquadDF2Transposed.gif "Single transposed Direct Form II Biquad"       
+ * Coefficients b0, b1, and b2  multiply the input signal x[n] and are referred to as the feedforward coefficients.       
+ * Coefficients a1 and a2 multiply the output signal y[n] and are referred to as the feedback coefficients.       
+ * Pay careful attention to the sign of the feedback coefficients.       
+ * Some design tools flip the sign of the feedback coefficients:       
+ * 
       
+ *    y[n] = b0 * x[n] + d1;       
+ *    d1 = b1 * x[n] - a1 * y[n] + d2;       
+ *    d2 = b2 * x[n] - a2 * y[n];       
+ * 
       
+ * In this case the feedback coefficients a1 and a2 must be negated when used with the CMSIS DSP Library.       
+ *       
+ * \par       
+ * Higher order filters are realized as a cascade of second order sections.       
+ * numStages refers to the number of second order stages used.       
+ * For example, an 8th order filter would be realized with numStages=4 second order stages.       
+ * A 9th order filter would be realized with numStages=5 second order stages with the       
+ * coefficients for one of the stages configured as a first order filter (b2=0 and a2=0).       
+ *       
+ * \par       
+ * pState points to the state variable array.       
+ * Each Biquad stage has 2 state variables d1 and d2.       
+ * The state variables are arranged in the pState array as:       
+ * 
       
+ *     {d11, d12, d21, d22, ...}       
+ * 
       
+ * where d1x refers to the state variables for the first Biquad and       
+ * d2x refers to the state variables for the second Biquad.       
+ * The state array has a total length of 2*numStages values.       
+ * The state variables are updated after each block of data is processed; the coefficients are untouched.       
+ *       
+ * \par       
+ * The CMSIS library contains Biquad filters in both Direct Form I and transposed Direct Form II.    
+ * The advantage of the Direct Form I structure is that it is numerically more robust for fixed-point data types.    
+ * That is why the Direct Form I structure supports Q15 and Q31 data types.    
+ * The transposed Direct Form II structure, on the other hand, requires a wide dynamic range for the state variables d1 and d2.    
+ * Because of this, the CMSIS library only has a floating-point version of the Direct Form II Biquad.    
+ * The advantage of the Direct Form II Biquad is that it requires half the number of state variables, 2 rather than 4, per Biquad stage.    
+ *       
+ * \par Instance Structure       
+ * The coefficients and state variables for a filter are stored together in an instance data structure.       
+ * A separate instance structure must be defined for each filter.       
+ * Coefficient arrays may be shared among several instances while state variable arrays cannot be shared.       
+ *       
+ * \par Init Functions       
+ * There is also an associated initialization function.      
+ * The initialization function performs following operations:       
+ * - Sets the values of the internal structure fields.       
+ * - Zeros out the values in the state buffer.       
+ *       
+ * \par       
+ * Use of the initialization function is optional.       
+ * However, if the initialization function is used, then the instance structure cannot be placed into a const data section.       
+ * To place an instance structure into a const data section, the instance structure must be manually initialized.       
+ * Set the values in the state buffer to zeros before static initialization.       
+ * For example, to statically initialize the instance structure use       
+ * 
       
+ *     arm_biquad_cascade_df2T_instance_f32 S1 = {numStages, pState, pCoeffs};       
+ * 
       
+ * where numStages is the number of Biquad stages in the filter; pState is the address of the state buffer.       
+ * pCoeffs is the address of the coefficient buffer;        
+ *       
+ */
+
+/**       
+ * @addtogroup BiquadCascadeDF2T       
+ * @{       
+ */
+
+/**      
+ * @brief Processing function for the floating-point transposed direct form II Biquad cascade filter.      
+ * @param[in]  *S        points to an instance of the filter data structure.      
+ * @param[in]  *pSrc     points to the block of input data.      
+ * @param[out] *pDst     points to the block of output data      
+ * @param[in]  blockSize number of samples to process.      
+ * @return none.      
+ */
+
+void arm_biquad_cascade_df2T_f32(
+  const arm_biquad_cascade_df2T_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+
+  float32_t *pIn = pSrc;                         /*  source pointer            */
+  float32_t *pOut = pDst;                        /*  destination pointer       */
+  float32_t *pState = S->pState;                 /*  State pointer             */
+  float32_t *pCoeffs = S->pCoeffs;               /*  coefficient pointer       */
+  float32_t acc0;                                /*  accumulator               */
+  float32_t b0, b1, b2, a1, a2;                  /*  Filter coefficients       */
+  float32_t Xn;                                  /*  temporary input           */
+  float32_t d1, d2;                              /*  state variables           */
+  uint32_t sample, stage = S->numStages;         /*  loop counters             */
+
+#ifndef ARM_MATH_CM0
+
+  float32_t Xn1, Xn2;                            /*  Input State variables     */
+  float32_t acc1;                                /*  accumulator               */
+
+
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  do
+  {
+    /* Reading the coefficients */
+    b0 = *pCoeffs++;
+    b1 = *pCoeffs++;
+    b2 = *pCoeffs++;
+    a1 = *pCoeffs++;
+    a2 = *pCoeffs++;
+
+    /*Reading the state values */
+    d1 = pState[0];
+    d2 = pState[1];
+
+    /* Apply loop unrolling and compute 4 output values simultaneously. */
+    sample = blockSize >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.       
+     ** a second loop below computes the remaining 1 to 3 samples. */
+    while(sample > 0u)
+    {
+
+      /* y[n] = b0 * x[n] + d1 */
+      /* d1 = b1 * x[n] + a1 * y[n] + d2 */
+      /* d2 = b2 * x[n] + a2 * y[n] */
+
+      /* Read the first input */
+      Xn1 = *pIn++;
+
+      /* y[n] = b0 * x[n] + d1 */
+      acc0 = (b0 * Xn1) + d1;
+
+      /* d1 = b1 * x[n] + d2 */
+      d1 = (b1 * Xn1) + d2;
+
+      /* d2 = b2 * x[n] */
+      d2 = (b2 * Xn1);
+
+      /* Read the second input */
+      Xn2 = *pIn++;
+
+      /* d1 = b1 * x[n] + a1 * y[n] */
+      d1 = (a1 * acc0) + d1;
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = acc0;
+
+      d2 = (a2 * acc0) + d2;
+
+      /* y[n] = b0 * x[n] + d1 */
+      acc1 = (b0 * Xn2) + d1;
+
+      /* Read the third input */
+      Xn1 = *pIn++;
+
+      d1 = (b1 * Xn2) + d2;
+
+      d2 = (b2 * Xn2);
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = acc1;
+
+      d1 = (a1 * acc1) + d1;
+
+      d2 = (a2 * acc1) + d2;
+
+      /* y[n] = b0 * x[n] + d1 */
+      acc0 = (b0 * Xn1) + d1;
+
+      d1 = (b1 * Xn1) + d2;
+
+      d2 = (b2 * Xn1);
+
+      /* Read the fourth input */
+      Xn2 = *pIn++;
+
+      d1 = (a1 * acc0) + d1;
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = acc0;
+
+      d2 = (a2 * acc0) + d2;
+
+      /* y[n] = b0 * x[n] + d1 */
+      acc1 = (b0 * Xn2) + d1;
+
+      d1 = (b1 * Xn2) + d2;
+
+      d2 = (b2 * Xn2);
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = acc1;
+
+      d1 = (a1 * acc1) + d1;
+
+      d2 = (a2 * acc1) + d2;
+
+      /* decrement the loop counter */
+      sample--;
+
+    }
+
+    /* If the blockSize is not a multiple of 4, compute any remaining output samples here.       
+     ** No loop unrolling is used. */
+    sample = blockSize & 0x3u;
+
+    while(sample > 0u)
+    {
+      /* Read the input */
+      Xn = *pIn++;
+
+      /* y[n] = b0 * x[n] + d1 */
+      acc0 = (b0 * Xn) + d1;
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = acc0;
+
+      /* Every time after the output is computed state should be updated. */
+      /* d1 = b1 * x[n] + a1 * y[n] + d2 */
+      d1 = ((b1 * Xn) + (a1 * acc0)) + d2;
+
+      /* d2 = b2 * x[n] + a2 * y[n] */
+      d2 = (b2 * Xn) + (a2 * acc0);
+
+      /* decrement the loop counter */
+      sample--;
+    }
+
+    /* Store the updated state variables back into the state array */
+    *pState++ = d1;
+    *pState++ = d2;
+
+    /* The current stage input is given as the output to the next stage */
+    pIn = pDst;
+
+    /*Reset the output working pointer */
+    pOut = pDst;
+
+    /* decrement the loop counter */
+    stage--;
+
+  } while(stage > 0u);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  do
+  {
+    /* Reading the coefficients */
+    b0 = *pCoeffs++;
+    b1 = *pCoeffs++;
+    b2 = *pCoeffs++;
+    a1 = *pCoeffs++;
+    a2 = *pCoeffs++;
+
+    /*Reading the state values */
+    d1 = pState[0];
+    d2 = pState[1];
+
+
+    sample = blockSize;
+
+    while(sample > 0u)
+    {
+      /* Read the input */
+      Xn = *pIn++;
+
+      /* y[n] = b0 * x[n] + d1 */
+      acc0 = (b0 * Xn) + d1;
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = acc0;
+
+      /* Every time after the output is computed state should be updated. */
+      /* d1 = b1 * x[n] + a1 * y[n] + d2 */
+      d1 = ((b1 * Xn) + (a1 * acc0)) + d2;
+
+      /* d2 = b2 * x[n] + a2 * y[n] */
+      d2 = (b2 * Xn) + (a2 * acc0);
+
+      /* decrement the loop counter */
+      sample--;
+    }
+
+    /* Store the updated state variables back into the state array */
+    *pState++ = d1;
+    *pState++ = d2;
+
+    /* The current stage input is given as the output to the next stage */
+    pIn = pDst;
+
+    /*Reset the output working pointer */
+    pOut = pDst;
+
+    /* decrement the loop counter */
+    stage--;
+
+  } while(stage > 0u);
+
+#endif /*  #ifndef ARM_MATH_CM0         */
+
+}
+
+
+  /**       
+   * @} end of BiquadCascadeDF2T group       
+   */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df2T_init_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df2T_init_f32.c
new file mode 100644
index 0000000000..3f0afd706b
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_biquad_cascade_df2T_init_f32.c
@@ -0,0 +1,97 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_biquad_cascade_df2T_init_f32.c    
+*    
+* Description:  Initialization function for the floating-point transposed   
+*               direct form II Biquad cascade filter.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup BiquadCascadeDF2T    
+ * @{    
+ */
+
+/**   
+ * @brief  Initialization function for the floating-point transposed direct form II Biquad cascade filter.   
+ * @param[in,out] *S           points to an instance of the filter data structure.   
+ * @param[in]     numStages    number of 2nd order stages in the filter.   
+ * @param[in]     *pCoeffs     points to the filter coefficients.   
+ * @param[in]     *pState      points to the state buffer.   
+ * @return        none   
+ *    
+ * Coefficient and State Ordering:    
+ * \par    
+ * The coefficients are stored in the array pCoeffs in the following order:    
+ * 
    
+ *     {b10, b11, b12, a11, a12, b20, b21, b22, a21, a22, ...}    
+ * 
    
+ *    
+ * \par    
+ * where b1x and a1x are the coefficients for the first stage,    
+ * b2x and a2x are the coefficients for the second stage,    
+ * and so on.  The pCoeffs array contains a total of 5*numStages values.    
+ *    
+ * \par    
+ * The pState is a pointer to state array.    
+ * Each Biquad stage has 2 state variables d1, and d2.    
+ * The 2 state variables for stage 1 are first, then the 2 state variables for stage 2, and so on.    
+ * The state array has a total length of 2*numStages values.    
+ * The state variables are updated after each block of data is processed; the coefficients are untouched.    
+ */
+
+void arm_biquad_cascade_df2T_init_f32(
+  arm_biquad_cascade_df2T_instance_f32 * S,
+  uint8_t numStages,
+  float32_t * pCoeffs,
+  float32_t * pState)
+{
+  /* Assign filter stages */
+  S->numStages = numStages;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and size is always 2 * numStages */
+  memset(pState, 0, (2u * (uint32_t) numStages) * sizeof(float32_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+}
+
+/**    
+ * @} end of BiquadCascadeDF2T group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_f32.c
new file mode 100644
index 0000000000..9b036c85c9
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_f32.c
@@ -0,0 +1,646 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_conv_f32.c    
+*    
+* Description:	Convolution of floating-point sequences.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*  
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+*    
+* -------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @defgroup Conv Convolution    
+ *    
+ * Convolution is a mathematical operation that operates on two finite length vectors to generate a finite length output vector.    
+ * Convolution is similar to correlation and is frequently used in filtering and data analysis.    
+ * The CMSIS DSP library contains functions for convolving Q7, Q15, Q31, and floating-point data types.    
+ * The library also provides fast versions of the Q15 and Q31 functions on Cortex-M4 and Cortex-M3.    
+ *    
+ * \par Algorithm    
+ * Let a[n] and b[n] be sequences of length srcALen and srcBLen samples respectively.    
+ * Then the convolution    
+ *    
+ * 
    
+ *                   c[n] = a[n] * b[n]    
+ * 
    
+ *    
+ * \par    
+ * is defined as    
+ * \image html ConvolutionEquation.gif    
+ * \par    
+ * Note that c[n] is of length srcALen + srcBLen - 1 and is defined over the interval n=0, 1, 2, ..., srcALen + srcBLen - 2.    
+ * pSrcA points to the first input vector of length srcALen and    
+ * pSrcB points to the second input vector of length srcBLen.    
+ * The output result is written to pDst and the calling function must allocate srcALen+srcBLen-1 words for the result.    
+ *    
+ * \par    
+ * Conceptually, when two signals a[n] and b[n] are convolved,    
+ * the signal b[n] slides over a[n].    
+ * For each offset \c n, the overlapping portions of a[n] and b[n] are multiplied and summed together.    
+ *    
+ * \par    
+ * Note that convolution is a commutative operation:    
+ *    
+ * 
    
+ *                   a[n] * b[n] = b[n] * a[n].    
+ * 
    
+ *    
+ * \par    
+ * This means that switching the A and B arguments to the convolution functions has no effect.    
+ *    
+ * Fixed-Point Behavior    
+ *    
+ * \par    
+ * Convolution requires summing up a large number of intermediate products.    
+ * As such, the Q7, Q15, and Q31 functions run a risk of overflow and saturation.    
+ * Refer to the function specific documentation below for further details of the particular algorithm used.    
+ *
+ *
+ * Fast Versions
+ *
+ * \par 
+ * Fast versions are supported for Q31 and Q15.  Cycles for Fast versions are less compared to Q31 and Q15 of conv and the design requires
+ * the input signals should be scaled down to avoid intermediate overflows.   
+ *
+ *
+ * Opt Versions
+ *
+ * \par 
+ * Opt versions are supported for Q15 and Q7.  Design uses internal scratch buffer for getting good optimisation.
+ * These versions are optimised in cycles and consumes more memory(Scratch memory) compared to Q15 and Q7 versions 
+ */
+
+/**    
+ * @addtogroup Conv    
+ * @{    
+ */
+
+/**    
+ * @brief Convolution of floating-point sequences.    
+ * @param[in] *pSrcA points to the first input sequence.    
+ * @param[in] srcALen length of the first input sequence.    
+ * @param[in] *pSrcB points to the second input sequence.    
+ * @param[in] srcBLen length of the second input sequence.    
+ * @param[out] *pDst points to the location where the output result is written.  Length srcALen+srcBLen-1.    
+ * @return none.    
+ */
+
+void arm_conv_f32(
+  float32_t * pSrcA,
+  uint32_t srcALen,
+  float32_t * pSrcB,
+  uint32_t srcBLen,
+  float32_t * pDst)
+{
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  float32_t *pIn1;                               /* inputA pointer */
+  float32_t *pIn2;                               /* inputB pointer */
+  float32_t *pOut = pDst;                        /* output pointer */
+  float32_t *px;                                 /* Intermediate inputA pointer */
+  float32_t *py;                                 /* Intermediate inputB pointer */
+  float32_t *pSrc1, *pSrc2;                      /* Intermediate pointers */
+  float32_t sum, acc0, acc1, acc2, acc3;         /* Accumulator */
+  float32_t x0, x1, x2, x3, c0;                  /* Temporary variables to hold state and coefficient values */
+  uint32_t j, k, count, blkCnt, blockSize1, blockSize2, blockSize3;     /* loop counters */
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcA;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcB;
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcB;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcA;
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+  }
+
+  /* conv(x,y) at n = x[n] * y[0] + x[n-1] * y[1] + x[n-2] * y[2] + ...+ x[n-N+1] * y[N -1] */
+  /* The function is internally    
+   * divided into three stages according to the number of multiplications that has to be    
+   * taken place between inputA samples and inputB samples. In the first stage of the    
+   * algorithm, the multiplications increase by one for every iteration.    
+   * In the second stage of the algorithm, srcBLen number of multiplications are done.    
+   * In the third stage of the algorithm, the multiplications decrease by one    
+   * for every iteration. */
+
+  /* The algorithm is implemented in three stages.    
+     The loop counters of each stage is initiated here. */
+  blockSize1 = srcBLen - 1u;
+  blockSize2 = srcALen - (srcBLen - 1u);
+  blockSize3 = blockSize1;
+
+  /* --------------------------    
+   * initializations of stage1    
+   * -------------------------*/
+
+  /* sum = x[0] * y[0]    
+   * sum = x[0] * y[1] + x[1] * y[0]    
+   * ....    
+   * sum = x[0] * y[srcBlen - 1] + x[1] * y[srcBlen - 2] +...+ x[srcBLen - 1] * y[0]    
+   */
+
+  /* In this stage the MAC operations are increased by 1 for every iteration.    
+     The count variable holds the number of MAC operations performed */
+  count = 1u;
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+
+  /* ------------------------    
+   * Stage1 process    
+   * ----------------------*/
+
+  /* The first stage starts here */
+  while(blockSize1 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0.0f;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* x[0] * y[srcBLen - 1] */
+      sum += *px++ * *py--;
+
+      /* x[1] * y[srcBLen - 2] */
+      sum += *px++ * *py--;
+
+      /* x[2] * y[srcBLen - 3] */
+      sum += *px++ * *py--;
+
+      /* x[3] * y[srcBLen - 4] */
+      sum += *px++ * *py--;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.    
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      sum += *px++ * *py--;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = sum;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pIn2 + count;
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* --------------------------    
+   * Initializations of stage2    
+   * ------------------------*/
+
+  /* sum = x[0] * y[srcBLen-1] + x[1] * y[srcBLen-2] +...+ x[srcBLen-1] * y[0]    
+   * sum = x[1] * y[srcBLen-1] + x[2] * y[srcBLen-2] +...+ x[srcBLen] * y[0]    
+   * ....    
+   * sum = x[srcALen-srcBLen-2] * y[srcBLen-1] + x[srcALen] * y[srcBLen-2] +...+ x[srcALen-1] * y[0]    
+   */
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  pSrc2 = pIn2 + (srcBLen - 1u);
+  py = pSrc2;
+
+  /* count is index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+  /* -------------------    
+   * Stage2 process    
+   * ------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.    
+   * So, to loop unroll over blockSize2,    
+   * srcBLen should be greater than or equal to 4 */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll over blockSize2, by 4 */
+    blkCnt = blockSize2 >> 2u;
+
+    while(blkCnt > 0u)
+    {
+      /* Set all accumulators to zero */
+      acc0 = 0.0f;
+      acc1 = 0.0f;
+      acc2 = 0.0f;
+      acc3 = 0.0f;
+
+      /* read x[0], x[1], x[2] samples */
+      x0 = *(px++);
+      x1 = *(px++);
+      x2 = *(px++);
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      do
+      {
+        /* Read y[srcBLen - 1] sample */
+        c0 = *(py--);
+
+        /* Read x[3] sample */
+        x3 = *(px);
+
+        /* Perform the multiply-accumulate */
+        /* acc0 +=  x[0] * y[srcBLen - 1] */
+        acc0 += x0 * c0;
+
+        /* acc1 +=  x[1] * y[srcBLen - 1] */
+        acc1 += x1 * c0;
+
+        /* acc2 +=  x[2] * y[srcBLen - 1] */
+        acc2 += x2 * c0;
+
+        /* acc3 +=  x[3] * y[srcBLen - 1] */
+        acc3 += x3 * c0;
+
+        /* Read y[srcBLen - 2] sample */
+        c0 = *(py--);
+
+        /* Read x[4] sample */
+        x0 = *(px + 1u);
+
+        /* Perform the multiply-accumulate */
+        /* acc0 +=  x[1] * y[srcBLen - 2] */
+        acc0 += x1 * c0;
+        /* acc1 +=  x[2] * y[srcBLen - 2] */
+        acc1 += x2 * c0;
+        /* acc2 +=  x[3] * y[srcBLen - 2] */
+        acc2 += x3 * c0;
+        /* acc3 +=  x[4] * y[srcBLen - 2] */
+        acc3 += x0 * c0;
+
+        /* Read y[srcBLen - 3] sample */
+        c0 = *(py--);
+
+        /* Read x[5] sample */
+        x1 = *(px + 2u);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[2] * y[srcBLen - 3] */
+        acc0 += x2 * c0;
+        /* acc1 +=  x[3] * y[srcBLen - 2] */
+        acc1 += x3 * c0;
+        /* acc2 +=  x[4] * y[srcBLen - 2] */
+        acc2 += x0 * c0;
+        /* acc3 +=  x[5] * y[srcBLen - 2] */
+        acc3 += x1 * c0;
+
+        /* Read y[srcBLen - 4] sample */
+        c0 = *(py--);
+
+        /* Read x[6] sample */
+        x2 = *(px + 3u);
+        px += 4u;
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[3] * y[srcBLen - 4] */
+        acc0 += x3 * c0;
+        /* acc1 +=  x[4] * y[srcBLen - 4] */
+        acc1 += x0 * c0;
+        /* acc2 +=  x[5] * y[srcBLen - 4] */
+        acc2 += x1 * c0;
+        /* acc3 +=  x[6] * y[srcBLen - 4] */
+        acc3 += x2 * c0;
+
+
+      } while(--k);
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Read y[srcBLen - 5] sample */
+        c0 = *(py--);
+
+        /* Read x[7] sample */
+        x3 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[4] * y[srcBLen - 5] */
+        acc0 += x0 * c0;
+        /* acc1 +=  x[5] * y[srcBLen - 5] */
+        acc1 += x1 * c0;
+        /* acc2 +=  x[6] * y[srcBLen - 5] */
+        acc2 += x2 * c0;
+        /* acc3 +=  x[7] * y[srcBLen - 5] */
+        acc3 += x3 * c0;
+
+        /* Reuse the present samples for the next MAC */
+        x0 = x1;
+        x1 = x2;
+        x2 = x3;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = acc0;
+      *pOut++ = acc1;
+      *pOut++ = acc2;
+      *pOut++ = acc3;
+
+      /* Increment the pointer pIn1 index, count by 4 */
+      count += 4u;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+
+    /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+    blkCnt = blockSize2 % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0.0f;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += *px++ * *py--;
+        sum += *px++ * *py--;
+        sum += *px++ * *py--;
+        sum += *px++ * *py--;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += *px++ * *py--;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = sum;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+  else
+  {
+    /* If the srcBLen is not a multiple of 4,    
+     * the blockSize2 loop cannot be unrolled by 4 */
+    blkCnt = blockSize2;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0.0f;
+
+      /* srcBLen number of MACS should be performed */
+      k = srcBLen;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += *px++ * *py--;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = sum;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+
+
+  /* --------------------------    
+   * Initializations of stage3    
+   * -------------------------*/
+
+  /* sum += x[srcALen-srcBLen+1] * y[srcBLen-1] + x[srcALen-srcBLen+2] * y[srcBLen-2] +...+ x[srcALen-1] * y[1]    
+   * sum += x[srcALen-srcBLen+2] * y[srcBLen-1] + x[srcALen-srcBLen+3] * y[srcBLen-2] +...+ x[srcALen-1] * y[2]    
+   * ....    
+   * sum +=  x[srcALen-2] * y[srcBLen-1] + x[srcALen-1] * y[srcBLen-2]    
+   * sum +=  x[srcALen-1] * y[srcBLen-1]    
+   */
+
+  /* In this stage the MAC operations are decreased by 1 for every iteration.    
+     The blockSize3 variable holds the number of MAC operations performed */
+
+  /* Working pointer of inputA */
+  pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+  px = pSrc1;
+
+  /* Working pointer of inputB */
+  pSrc2 = pIn2 + (srcBLen - 1u);
+  py = pSrc2;
+
+  /* -------------------    
+   * Stage3 process    
+   * ------------------*/
+
+  while(blockSize3 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0.0f;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = blockSize3 >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* sum += x[srcALen - srcBLen + 1] * y[srcBLen - 1] */
+      sum += *px++ * *py--;
+
+      /* sum += x[srcALen - srcBLen + 2] * y[srcBLen - 2] */
+      sum += *px++ * *py--;
+
+      /* sum += x[srcALen - srcBLen + 3] * y[srcBLen - 3] */
+      sum += *px++ * *py--;
+
+      /* sum += x[srcALen - srcBLen + 4] * y[srcBLen - 4] */
+      sum += *px++ * *py--;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the blockSize3 is not a multiple of 4, compute any remaining MACs here.    
+     ** No loop unrolling is used. */
+    k = blockSize3 % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* sum +=  x[srcALen-1] * y[srcBLen-1] */
+      sum += *px++ * *py--;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = sum;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pSrc2;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  float32_t *pIn1 = pSrcA;                       /* inputA pointer */
+  float32_t *pIn2 = pSrcB;                       /* inputB pointer */
+  float32_t sum;                                 /* Accumulator */
+  uint32_t i, j;                                 /* loop counters */
+
+  /* Loop to calculate convolution for output length number of times */
+  for (i = 0u; i < ((srcALen + srcBLen) - 1u); i++)
+  {
+    /* Initialize sum with zero to carry out MAC operations */
+    sum = 0.0f;
+
+    /* Loop to perform MAC operations according to convolution equation */
+    for (j = 0u; j <= i; j++)
+    {
+      /* Check the array limitations */
+      if((((i - j) < srcBLen) && (j < srcALen)))
+      {
+        /* z[i] += x[i-j] * y[j] */
+        sum += pIn1[j] * pIn2[i - j];
+      }
+    }
+    /* Store the output in the destination buffer */
+    pDst[i] = sum;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0        */
+
+}
+
+/**    
+ * @} end of Conv group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_fast_opt_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_fast_opt_q15.c
new file mode 100644
index 0000000000..a8097419d3
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_fast_opt_q15.c
@@ -0,0 +1,538 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_conv_fast_opt_q15.c    
+*    
+* Description:	Fast Q15 Convolution.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*  
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup Conv    
+ * @{    
+ */
+
+/**    
+ * @brief Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.    
+ * @param[in] *pSrcA points to the first input sequence.    
+ * @param[in] srcALen length of the first input sequence.    
+ * @param[in] *pSrcB points to the second input sequence.    
+ * @param[in] srcBLen length of the second input sequence.    
+ * @param[out] *pDst points to the location where the output result is written.  Length srcALen+srcBLen-1.    
+ * @param[in]  *pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.   
+ * @param[in]  *pScratch2 points to scratch buffer of size min(srcALen, srcBLen).   
+ * @return none.    
+ *    
+ * \par Restrictions    
+ *  If the silicon does not support unaligned memory access enable the macro UNALIGNED_SUPPORT_DISABLE    
+ *	In this case input, output, scratch1 and scratch2 buffers should be aligned by 32-bit    
+ *     
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * This fast version uses a 32-bit accumulator with 2.30 format.    
+ * The accumulator maintains full precision of the intermediate multiplication results    
+ * but provides only a single guard bit. There is no saturation on intermediate additions.    
+ * Thus, if the accumulator overflows it wraps around and distorts the result.    
+ * The input signals should be scaled down to avoid intermediate overflows.    
+ * Scale down the inputs by log2(min(srcALen, srcBLen)) (log2 is read as log to the base 2) times to avoid overflows,    
+ * as maximum of min(srcALen, srcBLen) number of additions are carried internally.    
+ * The 2.30 accumulator is right shifted by 15 bits and then saturated to 1.15 format to yield the final result.    
+ *    
+ * \par    
+ * See arm_conv_q15() for a slower implementation of this function which uses 64-bit accumulation to avoid wrap around distortion.    
+ */
+
+void arm_conv_fast_opt_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  q15_t * pScratch1,
+  q15_t * pScratch2)
+{
+  q31_t acc0, acc1, acc2, acc3;                  /* Accumulators */
+  q31_t x1, x2, x3;                              /* Temporary variables to hold state and coefficient values */
+  q31_t y1, y2;                                  /* State variables */
+  q15_t *pOut = pDst;                            /* output pointer */
+  q15_t *pScr1 = pScratch1;                      /* Temporary pointer for scratch1 */
+  q15_t *pScr2 = pScratch2;                      /* Temporary pointer for scratch1 */
+  q15_t *pIn1;                                   /* inputA pointer */
+  q15_t *pIn2;                                   /* inputB pointer */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  uint32_t j, k, blkCnt;                         /* loop counter */
+  uint32_t tapCnt;                               /* loop count */
+#ifdef UNALIGNED_SUPPORT_DISABLE
+
+  q15_t a, b;
+
+#endif	/*	#ifdef UNALIGNED_SUPPORT_DISABLE	*/
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcA;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcB;
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcB;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcA;
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+  }
+
+  /* Pointer to take end of scratch2 buffer */
+  pScr2 = pScratch2 + srcBLen - 1;
+
+  /* points to smaller length sequence */
+  px = pIn2;
+
+  /* Apply loop unrolling and do 4 Copies simultaneously. */
+  k = srcBLen >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+
+  /* Copy smaller length input sequence in reverse order into second scratch buffer */
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    *pScr2-- = *px++;
+    *pScr2-- = *px++;
+    *pScr2-- = *px++;
+    *pScr2-- = *px++;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  k = srcBLen % 0x4u;
+
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    *pScr2-- = *px++;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* Initialze temporary scratch pointer */
+  pScr1 = pScratch1;
+
+  /* Assuming scratch1 buffer is aligned by 32-bit */
+  /* Fill (srcBLen - 1u) zeros in scratch1 buffer */
+  arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+  /* Update temporary scratch pointer */
+  pScr1 += (srcBLen - 1u);
+
+  /* Copy bigger length sequence(srcALen) samples in scratch1 buffer */
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  /* Copy (srcALen) samples in scratch buffer */
+  arm_copy_q15(pIn1, pScr1, srcALen);
+
+  /* Update pointers */
+  pScr1 += srcALen;
+
+#else
+
+  /* Apply loop unrolling and do 4 Copies simultaneously. */
+  k = srcALen >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    *pScr1++ = *pIn1++;
+    *pScr1++ = *pIn1++;
+    *pScr1++ = *pIn1++;
+    *pScr1++ = *pIn1++;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  k = srcALen % 0x4u;
+
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    *pScr1++ = *pIn1++;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  /* Fill (srcBLen - 1u) zeros at end of scratch buffer */
+  arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+  /* Update pointer */
+  pScr1 += (srcBLen - 1u);
+
+#else
+
+  /* Apply loop unrolling and do 4 Copies simultaneously. */
+  k = (srcBLen - 1u) >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    *pScr1++ = 0;
+    *pScr1++ = 0;
+    *pScr1++ = 0;
+    *pScr1++ = 0;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  k = (srcBLen - 1u) % 0x4u;
+
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    *pScr1++ = 0;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+  /* Temporary pointer for scratch2 */
+  py = pScratch2;
+
+
+  /* Initialization of pIn2 pointer */
+  pIn2 = py;
+
+  /* First part of the processing with loop unrolling process 4 data points at a time.       
+   ** a second loop below process for the remaining 1 to 3 samples. */
+
+  /* Actual convolution process starts here */
+  blkCnt = (srcALen + srcBLen - 1u) >> 2;
+
+  while(blkCnt > 0)
+  {
+    /* Initialze temporary scratch pointer as scratch1 */
+    pScr1 = pScratch1;
+
+    /* Clear Accumlators */
+    acc0 = 0;
+    acc1 = 0;
+    acc2 = 0;
+    acc3 = 0;
+
+    /* Read two samples from scratch1 buffer */
+    x1 = *__SIMD32(pScr1)++;
+
+    /* Read next two samples from scratch1 buffer */
+    x2 = *__SIMD32(pScr1)++;
+
+    tapCnt = (srcBLen) >> 2u;
+
+    while(tapCnt > 0u)
+    {
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+      /* Read four samples from smaller buffer */
+      y1 = _SIMD32_OFFSET(pIn2);
+      y2 = _SIMD32_OFFSET(pIn2 + 2u);
+
+      /* multiply and accumlate */
+      acc0 = __SMLAD(x1, y1, acc0);
+      acc2 = __SMLAD(x2, y1, acc2);
+
+      /* pack input data */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      /* multiply and accumlate */
+      acc1 = __SMLADX(x3, y1, acc1);
+
+      /* Read next two samples from scratch1 buffer */
+      x1 = _SIMD32_OFFSET(pScr1);
+
+      /* multiply and accumlate */
+      acc0 = __SMLAD(x2, y2, acc0);
+      acc2 = __SMLAD(x1, y2, acc2);
+
+      /* pack input data */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x1, x2, 0);
+#else
+      x3 = __PKHBT(x2, x1, 0);
+#endif
+
+      acc3 = __SMLADX(x3, y1, acc3);
+      acc1 = __SMLADX(x3, y2, acc1);
+
+      x2 = _SIMD32_OFFSET(pScr1 + 2u);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc3 = __SMLADX(x3, y2, acc3);
+
+#else	 
+
+      /* Read four samples from smaller buffer */
+	  a = *pIn2;
+	  b = *(pIn2 + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      y1 = __PKHBT(a, b, 16);
+#else
+      y1 = __PKHBT(b, a, 16);
+#endif
+	  
+	  a = *(pIn2 + 2);
+	  b = *(pIn2 + 3);
+#ifndef ARM_MATH_BIG_ENDIAN
+      y2 = __PKHBT(a, b, 16);
+#else
+      y2 = __PKHBT(b, a, 16);
+#endif				
+
+      acc0 = __SMLAD(x1, y1, acc0);
+
+      acc2 = __SMLAD(x2, y1, acc2);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc1 = __SMLADX(x3, y1, acc1);
+
+	  a = *pScr1;
+	  b = *(pScr1 + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x1 = __PKHBT(a, b, 16);
+#else
+      x1 = __PKHBT(b, a, 16);
+#endif
+
+      acc0 = __SMLAD(x2, y2, acc0);
+
+      acc2 = __SMLAD(x1, y2, acc2);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x1, x2, 0);
+#else
+      x3 = __PKHBT(x2, x1, 0);
+#endif
+
+      acc3 = __SMLADX(x3, y1, acc3);
+
+      acc1 = __SMLADX(x3, y2, acc1);
+
+	  a = *(pScr1 + 2);
+	  b = *(pScr1 + 3);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x2 = __PKHBT(a, b, 16);
+#else
+      x2 = __PKHBT(b, a, 16);
+#endif
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc3 = __SMLADX(x3, y2, acc3);
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+      /* update scratch pointers */
+      pIn2 += 4u;
+      pScr1 += 4u;
+
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Update scratch pointer for remaining samples of smaller length sequence */
+    pScr1 -= 4u;
+
+    /* apply same above for remaining samples of smaller length sequence */
+    tapCnt = (srcBLen) & 3u;
+
+    while(tapCnt > 0u)
+    {
+
+      /* accumlate the results */
+      acc0 += (*pScr1++ * *pIn2);
+      acc1 += (*pScr1++ * *pIn2);
+      acc2 += (*pScr1++ * *pIn2);
+      acc3 += (*pScr1++ * *pIn2++);
+
+      pScr1 -= 3u;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    blkCnt--;
+
+
+    /* Store the results in the accumulators in the destination buffer. */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    *__SIMD32(pOut)++ =
+      __PKHBT(__SSAT((acc0 >> 15), 16), __SSAT((acc1 >> 15), 16), 16);
+
+    *__SIMD32(pOut)++ =
+      __PKHBT(__SSAT((acc2 >> 15), 16), __SSAT((acc3 >> 15), 16), 16);
+
+
+#else
+
+    *__SIMD32(pOut)++ =
+      __PKHBT(__SSAT((acc1 >> 15), 16), __SSAT((acc0 >> 15), 16), 16);
+
+    *__SIMD32(pOut)++ =
+      __PKHBT(__SSAT((acc3 >> 15), 16), __SSAT((acc2 >> 15), 16), 16);
+
+
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN       */
+
+    /* Initialization of inputB pointer */
+    pIn2 = py;
+
+    pScratch1 += 4u;
+
+  }
+
+
+  blkCnt = (srcALen + srcBLen - 1u) & 0x3;
+
+  /* Calculate convolution for remaining samples of Bigger length sequence */
+  while(blkCnt > 0)
+  {
+    /* Initialze temporary scratch pointer as scratch1 */
+    pScr1 = pScratch1;
+
+    /* Clear Accumlators */
+    acc0 = 0;
+
+    tapCnt = (srcBLen) >> 1u;
+
+    while(tapCnt > 0u)
+    {
+
+      acc0 += (*pScr1++ * *pIn2++);
+      acc0 += (*pScr1++ * *pIn2++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    tapCnt = (srcBLen) & 1u;
+
+    /* apply same above for remaining samples of smaller length sequence */
+    while(tapCnt > 0u)
+    {
+
+      /* accumlate the results */
+      acc0 += (*pScr1++ * *pIn2++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    blkCnt--;
+
+    /* The result is in 2.30 format.  Convert to 1.15 with saturation.       
+     ** Then store the output in the destination buffer. */
+    *pOut++ = (q15_t) (__SSAT((acc0 >> 15), 16));
+
+    /* Initialization of inputB pointer */
+    pIn2 = py;
+
+    pScratch1 += 1u;
+
+  }
+
+}
+
+/**    
+ * @} end of Conv group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_fast_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_fast_q15.c
new file mode 100644
index 0000000000..499e6cfb25
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_fast_q15.c
@@ -0,0 +1,1405 @@
+/* ----------------------------------------------------------------------   
+* Copyright (C) 2010 ARM Limited. All rights reserved.   
+*   
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*   
+* Project: 	    CMSIS DSP Library   
+* Title:		arm_conv_fast_q15.c   
+*   
+* Description:	Fast Q15 Convolution.   
+*   
+* Target Processor: Cortex-M4/Cortex-M3
+* 
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+* 
+* Version 1.0.11 2011/10/18 
+*    Bug Fix in conv, correlation, partial convolution. 
+*
+* Version 1.0.10 2011/7/15 
+*    Big Endian support added and Merged M0 and M3/M4 Source code.  
+*   
+* Version 1.0.3 2010/11/29  
+*    Re-organized the CMSIS folders and updated documentation.   
+*    
+* Version 1.0.2 2010/11/11   
+*    Documentation updated.    
+*   
+* Version 1.0.1 2010/10/05    
+*    Production release and review comments incorporated.   
+*   
+* Version 1.0.0 2010/09/20    
+*    Production release and review comments incorporated.   
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**   
+ * @ingroup groupFilters   
+ */
+
+/**   
+ * @addtogroup Conv   
+ * @{   
+ */
+
+/**   
+ * @brief Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.   
+ * @param[in] *pSrcA points to the first input sequence.   
+ * @param[in] srcALen length of the first input sequence.   
+ * @param[in] *pSrcB points to the second input sequence.   
+ * @param[in] srcBLen length of the second input sequence.   
+ * @param[out] *pDst points to the location where the output result is written.  Length srcALen+srcBLen-1.   
+ * @return none.   
+ *   
+ * Scaling and Overflow Behavior:   
+ *   
+ * \par   
+ * This fast version uses a 32-bit accumulator with 2.30 format.   
+ * The accumulator maintains full precision of the intermediate multiplication results   
+ * but provides only a single guard bit. There is no saturation on intermediate additions.   
+ * Thus, if the accumulator overflows it wraps around and distorts the result.   
+ * The input signals should be scaled down to avoid intermediate overflows.   
+ * Scale down the inputs by log2(min(srcALen, srcBLen)) (log2 is read as log to the base 2) times to avoid overflows,   
+ * as maximum of min(srcALen, srcBLen) number of additions are carried internally.   
+ * The 2.30 accumulator is right shifted by 15 bits and then saturated to 1.15 format to yield the final result.   
+ *   
+ * \par   
+ * See arm_conv_q15() for a slower implementation of this function which uses 64-bit accumulation to avoid wrap around distortion.   
+ */
+
+void arm_conv_fast_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst)
+{
+#ifndef UNALIGNED_SUPPORT_DISABLE
+  q15_t *pIn1;                                   /* inputA pointer */
+  q15_t *pIn2;                                   /* inputB pointer */
+  q15_t *pOut = pDst;                            /* output pointer */
+  q31_t sum, acc0, acc1, acc2, acc3;             /* Accumulator */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  q15_t *pSrc1, *pSrc2;                          /* Intermediate pointers */
+  q31_t x0, x1, x2, x3, c0;                      /* Temporary variables to hold state and coefficient values */
+  uint32_t blockSize1, blockSize2, blockSize3, j, k, count, blkCnt;     /* loop counter */
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcA;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcB;
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcB;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcA;
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+  }
+
+  /* conv(x,y) at n = x[n] * y[0] + x[n-1] * y[1] + x[n-2] * y[2] + ...+ x[n-N+1] * y[N -1] */
+  /* The function is internally   
+   * divided into three stages according to the number of multiplications that has to be   
+   * taken place between inputA samples and inputB samples. In the first stage of the   
+   * algorithm, the multiplications increase by one for every iteration.   
+   * In the second stage of the algorithm, srcBLen number of multiplications are done.   
+   * In the third stage of the algorithm, the multiplications decrease by one   
+   * for every iteration. */
+
+  /* The algorithm is implemented in three stages.   
+     The loop counters of each stage is initiated here. */
+  blockSize1 = srcBLen - 1u;
+  blockSize2 = srcALen - (srcBLen - 1u);
+  blockSize3 = blockSize1;
+
+  /* --------------------------   
+   * Initializations of stage1   
+   * -------------------------*/
+
+  /* sum = x[0] * y[0]   
+   * sum = x[0] * y[1] + x[1] * y[0]   
+   * ....   
+   * sum = x[0] * y[srcBlen - 1] + x[1] * y[srcBlen - 2] +...+ x[srcBLen - 1] * y[0]   
+   */
+
+  /* In this stage the MAC operations are increased by 1 for every iteration.   
+     The count variable holds the number of MAC operations performed */
+  count = 1u;
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+
+  /* ------------------------   
+   * Stage1 process   
+   * ----------------------*/
+
+  /* For loop unrolling by 4, this stage is divided into two. */
+  /* First part of this stage computes the MAC operations less than 4 */
+  /* Second part of this stage computes the MAC operations greater than or equal to 4 */
+
+  /* The first part of the stage starts here */
+  while((count < 4u) && (blockSize1 > 0u))
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Loop over number of MAC operations between   
+     * inputA samples and inputB samples */
+    k = count;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      sum = __SMLAD(*px++, *py--, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q15_t) (sum >> 15);
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pIn2 + count;
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* The second part of the stage starts here */
+  /* The internal loop, over count, is unrolled by 4 */
+  /* To, read the last two inputB samples using SIMD:   
+   * y[srcBLen] and y[srcBLen-1] coefficients, py is decremented by 1 */
+  py = py - 1;
+
+  while(blockSize1 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* x[0], x[1] are multiplied with y[srcBLen - 1], y[srcBLen - 2] respectively */
+      sum = __SMLADX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+      /* x[2], x[3] are multiplied with y[srcBLen - 3], y[srcBLen - 4] respectively */
+      sum = __SMLADX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* For the next MAC operations, the pointer py is used without SIMD   
+     * So, py is incremented by 1 */
+    py = py + 1u;
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      sum = __SMLAD(*px++, *py--, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q15_t) (sum >> 15);
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pIn2 + (count - 1u);
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* --------------------------   
+   * Initializations of stage2   
+   * ------------------------*/
+
+  /* sum = x[0] * y[srcBLen-1] + x[1] * y[srcBLen-2] +...+ x[srcBLen-1] * y[0]   
+   * sum = x[1] * y[srcBLen-1] + x[2] * y[srcBLen-2] +...+ x[srcBLen] * y[0]   
+   * ....   
+   * sum = x[srcALen-srcBLen-2] * y[srcBLen-1] + x[srcALen] * y[srcBLen-2] +...+ x[srcALen-1] * y[0]   
+   */
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  pSrc2 = pIn2 + (srcBLen - 1u);
+  py = pSrc2;
+
+  /* count is the index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+
+  /* --------------------   
+   * Stage2 process   
+   * -------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.   
+   * So, to loop unroll over blockSize2,   
+   * srcBLen should be greater than or equal to 4 */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll over blockSize2, by 4 */
+    blkCnt = blockSize2 >> 2u;
+
+    while(blkCnt > 0u)
+    {
+      py = py - 1u;
+
+      /* Set all accumulators to zero */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+
+      /* read x[0], x[1] samples */
+      x0 = *__SIMD32(px);
+      /* read x[1], x[2] samples */
+      x1 = _SIMD32_OFFSET(px+1);
+	  px+= 2u;
+
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      do
+      {
+        /* Read the last two inputB samples using SIMD:   
+         * y[srcBLen - 1] and y[srcBLen - 2] */
+        c0 = *__SIMD32(py)--;
+
+        /* acc0 +=  x[0] * y[srcBLen - 1] + x[1] * y[srcBLen - 2] */
+        acc0 = __SMLADX(x0, c0, acc0);
+
+        /* acc1 +=  x[1] * y[srcBLen - 1] + x[2] * y[srcBLen - 2] */
+        acc1 = __SMLADX(x1, c0, acc1);
+
+        /* Read x[2], x[3] */
+        x2 = *__SIMD32(px);
+
+        /* Read x[3], x[4] */
+        x3 = _SIMD32_OFFSET(px+1);
+
+        /* acc2 +=  x[2] * y[srcBLen - 1] + x[3] * y[srcBLen - 2] */
+        acc2 = __SMLADX(x2, c0, acc2);
+
+        /* acc3 +=  x[3] * y[srcBLen - 1] + x[4] * y[srcBLen - 2] */
+        acc3 = __SMLADX(x3, c0, acc3);
+
+        /* Read y[srcBLen - 3] and y[srcBLen - 4] */
+        c0 = *__SIMD32(py)--;
+
+        /* acc0 +=  x[2] * y[srcBLen - 3] + x[3] * y[srcBLen - 4] */
+        acc0 = __SMLADX(x2, c0, acc0);
+
+        /* acc1 +=  x[3] * y[srcBLen - 3] + x[4] * y[srcBLen - 4] */
+        acc1 = __SMLADX(x3, c0, acc1);
+
+        /* Read x[4], x[5] */
+        x0 = _SIMD32_OFFSET(px+2);
+
+        /* Read x[5], x[6] */
+        x1 = _SIMD32_OFFSET(px+3);
+		px += 4u;
+
+        /* acc2 +=  x[4] * y[srcBLen - 3] + x[5] * y[srcBLen - 4] */
+        acc2 = __SMLADX(x0, c0, acc2);
+
+        /* acc3 +=  x[5] * y[srcBLen - 3] + x[6] * y[srcBLen - 4] */
+        acc3 = __SMLADX(x1, c0, acc3);
+
+      } while(--k);
+
+      /* For the next MAC operations, SIMD is not used   
+       * So, the 16 bit pointer if inputB, py is updated */
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      if(k == 1u)
+      {
+        /* Read y[srcBLen - 5] */
+        c0 = *(py+1);
+
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+
+#else
+
+        c0 = c0 & 0x0000FFFF;
+
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+
+        /* Read x[7] */
+        x3 = *__SIMD32(px);
+		px++;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLAD(x0, c0, acc0);
+        acc1 = __SMLAD(x1, c0, acc1);
+        acc2 = __SMLADX(x1, c0, acc2);
+        acc3 = __SMLADX(x3, c0, acc3);
+      }
+
+      if(k == 2u)
+      {
+        /* Read y[srcBLen - 5], y[srcBLen - 6] */
+        c0 = _SIMD32_OFFSET(py);
+
+        /* Read x[7], x[8] */
+        x3 = *__SIMD32(px);
+
+        /* Read x[9] */
+        x2 = _SIMD32_OFFSET(px+1);
+		px += 2u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLADX(x0, c0, acc0);
+        acc1 = __SMLADX(x1, c0, acc1);
+        acc2 = __SMLADX(x3, c0, acc2);
+        acc3 = __SMLADX(x2, c0, acc3);
+      }
+
+      if(k == 3u)
+      {
+        /* Read y[srcBLen - 5], y[srcBLen - 6] */
+        c0 = _SIMD32_OFFSET(py);
+
+        /* Read x[7], x[8] */
+        x3 = *__SIMD32(px);
+
+        /* Read x[9] */
+        x2 = _SIMD32_OFFSET(px+1);
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLADX(x0, c0, acc0);
+        acc1 = __SMLADX(x1, c0, acc1);
+        acc2 = __SMLADX(x3, c0, acc2);
+        acc3 = __SMLADX(x2, c0, acc3);
+
+        /* Read y[srcBLen - 7] */
+		c0 = *(py-1);
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+#else
+
+        c0 = c0 & 0x0000FFFF;
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+
+        /* Read x[10] */
+        x3 =  _SIMD32_OFFSET(px+2);
+		px += 3u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLADX(x1, c0, acc0);
+        acc1 = __SMLAD(x2, c0, acc1);
+        acc2 = __SMLADX(x2, c0, acc2);
+        acc3 = __SMLADX(x3, c0, acc3);
+      }
+
+      /* Store the results in the accumulators in the destination buffer. */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+      *__SIMD32(pOut)++ = __PKHBT((acc0 >> 15), (acc1 >> 15), 16);
+      *__SIMD32(pOut)++ = __PKHBT((acc2 >> 15), (acc3 >> 15), 16);
+
+#else
+
+      *__SIMD32(pOut)++ = __PKHBT((acc1 >> 15), (acc0 >> 15), 16);
+      *__SIMD32(pOut)++ = __PKHBT((acc3 >> 15), (acc2 >> 15), 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+      /* Increment the pointer pIn1 index, count by 4 */
+      count += 4u;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.   
+     ** No loop unrolling is used. */
+    blkCnt = blockSize2 % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (sum >> 15);
+
+      /* Increment the pointer pIn1 index, count by 1 */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+  else
+  {
+    /* If the srcBLen is not a multiple of 4,   
+     * the blockSize2 loop cannot be unrolled by 4 */
+    blkCnt = blockSize2;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* srcBLen number of MACS should be performed */
+      k = srcBLen;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (sum >> 15);
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+
+
+  /* --------------------------   
+   * Initializations of stage3   
+   * -------------------------*/
+
+  /* sum += x[srcALen-srcBLen+1] * y[srcBLen-1] + x[srcALen-srcBLen+2] * y[srcBLen-2] +...+ x[srcALen-1] * y[1]   
+   * sum += x[srcALen-srcBLen+2] * y[srcBLen-1] + x[srcALen-srcBLen+3] * y[srcBLen-2] +...+ x[srcALen-1] * y[2]   
+   * ....   
+   * sum +=  x[srcALen-2] * y[srcBLen-1] + x[srcALen-1] * y[srcBLen-2]   
+   * sum +=  x[srcALen-1] * y[srcBLen-1]   
+   */
+
+  /* In this stage the MAC operations are decreased by 1 for every iteration.   
+     The blockSize3 variable holds the number of MAC operations performed */
+
+  /* Working pointer of inputA */
+  pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+  px = pSrc1;
+
+  /* Working pointer of inputB */
+  pSrc2 = pIn2 + (srcBLen - 1u);
+  pIn2 = pSrc2 - 1u;
+  py = pIn2;
+
+  /* -------------------   
+   * Stage3 process   
+   * ------------------*/
+
+  /* For loop unrolling by 4, this stage is divided into two. */
+  /* First part of this stage computes the MAC operations greater than 4 */
+  /* Second part of this stage computes the MAC operations less than or equal to 4 */
+
+  /* The first part of the stage starts here */
+  j = blockSize3 >> 2u;
+
+  while((j > 0u) && (blockSize3 > 0u))
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = blockSize3 >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* x[srcALen - srcBLen + 1], x[srcALen - srcBLen + 2] are multiplied   
+       * with y[srcBLen - 1], y[srcBLen - 2] respectively */
+      sum = __SMLADX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+      /* x[srcALen - srcBLen + 3], x[srcALen - srcBLen + 4] are multiplied   
+       * with y[srcBLen - 3], y[srcBLen - 4] respectively */
+      sum = __SMLADX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* For the next MAC operations, the pointer py is used without SIMD   
+     * So, py is incremented by 1 */
+    py = py + 1u;
+
+    /* If the blockSize3 is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = blockSize3 % 0x4u;
+
+    while(k > 0u)
+    {
+      /* sum += x[srcALen - srcBLen + 5] * y[srcBLen - 5] */
+      sum = __SMLAD(*px++, *py--, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q15_t) (sum >> 15);
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pIn2;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+
+    j--;
+  }
+
+  /* The second part of the stage starts here */
+  /* SIMD is not used for the next MAC operations,   
+   * so pointer py is updated to read only one sample at a time */
+  py = py + 1u;
+
+  while(blockSize3 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = blockSize3;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* sum +=  x[srcALen-1] * y[srcBLen-1] */
+      sum = __SMLAD(*px++, *py--, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q15_t) (sum >> 15);
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pSrc2;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+  }
+
+#else
+  q15_t *pIn1;                                   /* inputA pointer */
+  q15_t *pIn2;                                   /* inputB pointer */
+  q15_t *pOut = pDst;                            /* output pointer */
+  q31_t sum, acc0, acc1, acc2, acc3;             /* Accumulator */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  q15_t *pSrc1, *pSrc2;                          /* Intermediate pointers */
+  q31_t x0, x1, x2, x3, c0;                      /* Temporary variables to hold state and coefficient values */
+  uint32_t blockSize1, blockSize2, blockSize3, j, k, count, blkCnt;     /* loop counter */
+  q15_t a, b;
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcA;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcB;
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcB;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcA;
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+  }
+
+  /* conv(x,y) at n = x[n] * y[0] + x[n-1] * y[1] + x[n-2] * y[2] + ...+ x[n-N+1] * y[N -1] */
+  /* The function is internally   
+   * divided into three stages according to the number of multiplications that has to be   
+   * taken place between inputA samples and inputB samples. In the first stage of the   
+   * algorithm, the multiplications increase by one for every iteration.   
+   * In the second stage of the algorithm, srcBLen number of multiplications are done.   
+   * In the third stage of the algorithm, the multiplications decrease by one   
+   * for every iteration. */
+
+  /* The algorithm is implemented in three stages.   
+     The loop counters of each stage is initiated here. */
+  blockSize1 = srcBLen - 1u;
+  blockSize2 = srcALen - (srcBLen - 1u);
+  blockSize3 = blockSize1;
+
+  /* --------------------------   
+   * Initializations of stage1   
+   * -------------------------*/
+
+  /* sum = x[0] * y[0]   
+   * sum = x[0] * y[1] + x[1] * y[0]   
+   * ....   
+   * sum = x[0] * y[srcBlen - 1] + x[1] * y[srcBlen - 2] +...+ x[srcBLen - 1] * y[0]   
+   */
+
+  /* In this stage the MAC operations are increased by 1 for every iteration.   
+     The count variable holds the number of MAC operations performed */
+  count = 1u;
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+
+  /* ------------------------   
+   * Stage1 process   
+   * ----------------------*/
+
+  /* For loop unrolling by 4, this stage is divided into two. */
+  /* First part of this stage computes the MAC operations less than 4 */
+  /* Second part of this stage computes the MAC operations greater than or equal to 4 */
+
+  /* The first part of the stage starts here */
+  while((count < 4u) && (blockSize1 > 0u))
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Loop over number of MAC operations between   
+     * inputA samples and inputB samples */
+    k = count;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      sum += ((q31_t) * px++ * *py--);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q15_t) (sum >> 15);
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pIn2 + count;
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* The second part of the stage starts here */
+  /* The internal loop, over count, is unrolled by 4 */
+  /* To, read the last two inputB samples using SIMD:   
+   * y[srcBLen] and y[srcBLen-1] coefficients, py is decremented by 1 */
+  py = py - 1;
+
+  while(blockSize1 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+	py++;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      sum += ((q31_t) * px++ * *py--);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q15_t) (sum >> 15);
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pIn2 + (count - 1u);
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* --------------------------   
+   * Initializations of stage2   
+   * ------------------------*/
+
+  /* sum = x[0] * y[srcBLen-1] + x[1] * y[srcBLen-2] +...+ x[srcBLen-1] * y[0]   
+   * sum = x[1] * y[srcBLen-1] + x[2] * y[srcBLen-2] +...+ x[srcBLen] * y[0]   
+   * ....   
+   * sum = x[srcALen-srcBLen-2] * y[srcBLen-1] + x[srcALen] * y[srcBLen-2] +...+ x[srcALen-1] * y[0]   
+   */
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  pSrc2 = pIn2 + (srcBLen - 1u);
+  py = pSrc2;
+
+  /* count is the index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+
+  /* --------------------   
+   * Stage2 process   
+   * -------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.   
+   * So, to loop unroll over blockSize2,   
+   * srcBLen should be greater than or equal to 4 */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll over blockSize2, by 4 */
+    blkCnt = blockSize2 >> 2u;
+
+    while(blkCnt > 0u)
+    {
+      py = py - 1u;
+
+      /* Set all accumulators to zero */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;	  
+
+      /* read x[0], x[1] samples */
+	  a = *px++;
+	  b = *px++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+	  x0 = __PKHBT(a, b, 16);
+	  a = *px;
+	  x1 = __PKHBT(b, a, 16);
+
+#else
+
+	  x0 = __PKHBT(b, a, 16);
+	  a = *px;
+	  x1 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	   */
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      do
+      {
+        /* Read the last two inputB samples using SIMD:   
+         * y[srcBLen - 1] and y[srcBLen - 2] */
+		a = *py;
+		b = *(py+1);
+		py -= 2;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+		c0 = __PKHBT(a, b, 16);
+
+#else
+
+ 		c0 = __PKHBT(b, a, 16);;
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+        /* acc0 +=  x[0] * y[srcBLen - 1] + x[1] * y[srcBLen - 2] */
+        acc0 = __SMLADX(x0, c0, acc0);
+
+        /* acc1 +=  x[1] * y[srcBLen - 1] + x[2] * y[srcBLen - 2] */
+        acc1 = __SMLADX(x1, c0, acc1);
+
+	  a = *px;
+	  b = *(px + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+	  x2 = __PKHBT(a, b, 16);
+	  a = *(px + 2);
+	  x3 = __PKHBT(b, a, 16);
+
+#else
+
+	  x2 = __PKHBT(b, a, 16);
+	  a = *(px + 2);
+	  x3 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	   */
+
+        /* acc2 +=  x[2] * y[srcBLen - 1] + x[3] * y[srcBLen - 2] */
+        acc2 = __SMLADX(x2, c0, acc2);
+
+        /* acc3 +=  x[3] * y[srcBLen - 1] + x[4] * y[srcBLen - 2] */
+        acc3 = __SMLADX(x3, c0, acc3);
+
+        /* Read y[srcBLen - 3] and y[srcBLen - 4] */
+		a = *py;
+		b = *(py+1);
+		py -= 2;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+		c0 = __PKHBT(a, b, 16);
+
+#else
+
+ 		c0 = __PKHBT(b, a, 16);;
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+        /* acc0 +=  x[2] * y[srcBLen - 3] + x[3] * y[srcBLen - 4] */
+        acc0 = __SMLADX(x2, c0, acc0);
+
+        /* acc1 +=  x[3] * y[srcBLen - 3] + x[4] * y[srcBLen - 4] */
+        acc1 = __SMLADX(x3, c0, acc1);
+
+        /* Read x[4], x[5], x[6] */
+	  a = *(px + 2);
+	  b = *(px + 3);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+	  x0 = __PKHBT(a, b, 16);
+	  a = *(px + 4);
+	  x1 = __PKHBT(b, a, 16);
+
+#else
+
+	  x0 = __PKHBT(b, a, 16);
+	  a = *(px + 4);
+	  x1 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	   */
+
+		px += 4u;
+
+        /* acc2 +=  x[4] * y[srcBLen - 3] + x[5] * y[srcBLen - 4] */
+        acc2 = __SMLADX(x0, c0, acc2);
+
+        /* acc3 +=  x[5] * y[srcBLen - 3] + x[6] * y[srcBLen - 4] */
+        acc3 = __SMLADX(x1, c0, acc3);
+
+      } while(--k);
+
+      /* For the next MAC operations, SIMD is not used   
+       * So, the 16 bit pointer if inputB, py is updated */
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      if(k == 1u)
+      {
+        /* Read y[srcBLen - 5] */
+        c0 = *(py+1);
+
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+
+#else
+
+        c0 = c0 & 0x0000FFFF;
+
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+
+        /* Read x[7] */
+		a = *px;
+		b = *(px+1);
+		px++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+		x3 = __PKHBT(a, b, 16);
+
+#else
+
+ 		x3 = __PKHBT(b, a, 16);;
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLAD(x0, c0, acc0);
+        acc1 = __SMLAD(x1, c0, acc1);
+        acc2 = __SMLADX(x1, c0, acc2);
+        acc3 = __SMLADX(x3, c0, acc3);
+      }
+
+      if(k == 2u)
+      {
+        /* Read y[srcBLen - 5], y[srcBLen - 6] */
+		a = *py;
+		b = *(py+1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+		c0 = __PKHBT(a, b, 16);
+
+#else
+
+ 		c0 = __PKHBT(b, a, 16);;
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+        /* Read x[7], x[8], x[9] */
+	  a = *px;
+	  b = *(px + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+	  x3 = __PKHBT(a, b, 16);
+	  a = *(px + 2);
+	  x2 = __PKHBT(b, a, 16);
+
+#else
+
+	  x3 = __PKHBT(b, a, 16);
+	  a = *(px + 2);
+	  x2 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	   */
+		px += 2u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLADX(x0, c0, acc0);
+        acc1 = __SMLADX(x1, c0, acc1);
+        acc2 = __SMLADX(x3, c0, acc2);
+        acc3 = __SMLADX(x2, c0, acc3);
+      }
+
+      if(k == 3u)
+      {
+        /* Read y[srcBLen - 5], y[srcBLen - 6] */
+		a = *py;
+		b = *(py+1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+		c0 = __PKHBT(a, b, 16);
+
+#else
+
+ 		c0 = __PKHBT(b, a, 16);;
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+        /* Read x[7], x[8], x[9] */
+	  a = *px;
+	  b = *(px + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+	  x3 = __PKHBT(a, b, 16);
+	  a = *(px + 2);
+	  x2 = __PKHBT(b, a, 16);
+
+#else
+
+	  x3 = __PKHBT(b, a, 16);
+	  a = *(px + 2);
+	  x2 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	   */
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLADX(x0, c0, acc0);
+        acc1 = __SMLADX(x1, c0, acc1);
+        acc2 = __SMLADX(x3, c0, acc2);
+        acc3 = __SMLADX(x2, c0, acc3);
+
+        /* Read y[srcBLen - 7] */
+		c0 = *(py-1);
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+#else
+
+        c0 = c0 & 0x0000FFFF;
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+
+        /* Read x[10] */
+		a = *(px+2);
+		b = *(px+3);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+		x3 = __PKHBT(a, b, 16);
+
+#else
+
+ 		x3 = __PKHBT(b, a, 16);;
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+		px += 3u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLADX(x1, c0, acc0);
+        acc1 = __SMLAD(x2, c0, acc1);
+        acc2 = __SMLADX(x2, c0, acc2);
+        acc3 = __SMLADX(x3, c0, acc3);
+      }
+
+      /* Store the results in the accumulators in the destination buffer. */
+	  *pOut++ = (q15_t)(acc0 >> 15);
+	  *pOut++ = (q15_t)(acc1 >> 15);
+	  *pOut++ = (q15_t)(acc2 >> 15);
+	  *pOut++ = (q15_t)(acc3 >> 15);
+
+      /* Increment the pointer pIn1 index, count by 4 */
+      count += 4u;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.   
+     ** No loop unrolling is used. */
+    blkCnt = blockSize2 % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (sum >> 15);
+
+      /* Increment the pointer pIn1 index, count by 1 */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+  else
+  {
+    /* If the srcBLen is not a multiple of 4,   
+     * the blockSize2 loop cannot be unrolled by 4 */
+    blkCnt = blockSize2;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* srcBLen number of MACS should be performed */
+      k = srcBLen;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (sum >> 15);
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+
+
+  /* --------------------------   
+   * Initializations of stage3   
+   * -------------------------*/
+
+  /* sum += x[srcALen-srcBLen+1] * y[srcBLen-1] + x[srcALen-srcBLen+2] * y[srcBLen-2] +...+ x[srcALen-1] * y[1]   
+   * sum += x[srcALen-srcBLen+2] * y[srcBLen-1] + x[srcALen-srcBLen+3] * y[srcBLen-2] +...+ x[srcALen-1] * y[2]   
+   * ....   
+   * sum +=  x[srcALen-2] * y[srcBLen-1] + x[srcALen-1] * y[srcBLen-2]   
+   * sum +=  x[srcALen-1] * y[srcBLen-1]   
+   */
+
+  /* In this stage the MAC operations are decreased by 1 for every iteration.   
+     The blockSize3 variable holds the number of MAC operations performed */
+
+  /* Working pointer of inputA */
+  pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+  px = pSrc1;
+
+  /* Working pointer of inputB */
+  pSrc2 = pIn2 + (srcBLen - 1u);
+  pIn2 = pSrc2 - 1u;
+  py = pIn2;
+
+  /* -------------------   
+   * Stage3 process   
+   * ------------------*/
+
+  /* For loop unrolling by 4, this stage is divided into two. */
+  /* First part of this stage computes the MAC operations greater than 4 */
+  /* Second part of this stage computes the MAC operations less than or equal to 4 */
+
+  /* The first part of the stage starts here */
+  j = blockSize3 >> 2u;
+
+  while((j > 0u) && (blockSize3 > 0u))
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = blockSize3 >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+	py++;
+
+    while(k > 0u)
+    {	
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the blockSize3 is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = blockSize3 % 0x4u;
+
+    while(k > 0u)
+    {
+      /* sum += x[srcALen - srcBLen + 5] * y[srcBLen - 5] */
+        sum += ((q31_t) * px++ * *py--);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q15_t) (sum >> 15);
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pIn2;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+
+    j--;
+  }
+
+  /* The second part of the stage starts here */
+  /* SIMD is not used for the next MAC operations,   
+   * so pointer py is updated to read only one sample at a time */
+  py = py + 1u;
+
+  while(blockSize3 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = blockSize3;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* sum +=  x[srcALen-1] * y[srcBLen-1] */
+        sum += ((q31_t) * px++ * *py--);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q15_t) (sum >> 15);
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pSrc2;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+  }
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+}
+
+/**   
+ * @} end of Conv group   
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_fast_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_fast_q31.c
new file mode 100644
index 0000000000..46c694b707
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_fast_q31.c
@@ -0,0 +1,572 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_conv_fast_q31.c    
+*    
+* Description:	Q31 Convolution (fast version).    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*  
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup Conv    
+ * @{    
+ */
+
+/**    
+ * @param[in] *pSrcA points to the first input sequence.    
+ * @param[in] srcALen length of the first input sequence.    
+ * @param[in] *pSrcB points to the second input sequence.    
+ * @param[in] srcBLen length of the second input sequence.    
+ * @param[out] *pDst points to the location where the output result is written.  Length srcALen+srcBLen-1.    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * This function is optimized for speed at the expense of fixed-point precision and overflow protection.    
+ * The result of each 1.31 x 1.31 multiplication is truncated to 2.30 format.    
+ * These intermediate results are accumulated in a 32-bit register in 2.30 format.    
+ * Finally, the accumulator is saturated and converted to a 1.31 result.    
+ *    
+ * \par    
+ * The fast version has the same overflow behavior as the standard version but provides less precision since it discards the low 32 bits of each multiplication result.    
+ * In order to avoid overflows completely the input signals must be scaled down.    
+ * Scale down the inputs by log2(min(srcALen, srcBLen)) (log2 is read as log to the base 2) times to avoid overflows,    
+ * as maximum of min(srcALen, srcBLen) number of additions are carried internally.    
+ *    
+ * \par    
+ * See arm_conv_q31() for a slower implementation of this function which uses 64-bit accumulation to provide higher precision.    
+ */
+
+void arm_conv_fast_q31(
+  q31_t * pSrcA,
+  uint32_t srcALen,
+  q31_t * pSrcB,
+  uint32_t srcBLen,
+  q31_t * pDst)
+{
+  q31_t *pIn1;                                   /* inputA pointer */
+  q31_t *pIn2;                                   /* inputB pointer */
+  q31_t *pOut = pDst;                            /* output pointer */
+  q31_t *px;                                     /* Intermediate inputA pointer  */
+  q31_t *py;                                     /* Intermediate inputB pointer  */
+  q31_t *pSrc1, *pSrc2;                          /* Intermediate pointers */
+  q31_t sum, acc0, acc1, acc2, acc3;             /* Accumulator */
+  q31_t x0, x1, x2, x3, c0;                      /* Temporary variables to hold state and coefficient values */
+  uint32_t j, k, count, blkCnt, blockSize1, blockSize2, blockSize3;     /* loop counter */
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcA;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcB;
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcB;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcA;
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+  }
+
+  /* conv(x,y) at n = x[n] * y[0] + x[n-1] * y[1] + x[n-2] * y[2] + ...+ x[n-N+1] * y[N -1] */
+  /* The function is internally    
+   * divided into three stages according to the number of multiplications that has to be    
+   * taken place between inputA samples and inputB samples. In the first stage of the    
+   * algorithm, the multiplications increase by one for every iteration.    
+   * In the second stage of the algorithm, srcBLen number of multiplications are done.    
+   * In the third stage of the algorithm, the multiplications decrease by one    
+   * for every iteration. */
+
+  /* The algorithm is implemented in three stages.    
+     The loop counters of each stage is initiated here. */
+  blockSize1 = srcBLen - 1u;
+  blockSize2 = srcALen - (srcBLen - 1u);
+  blockSize3 = blockSize1;
+
+  /* --------------------------    
+   * Initializations of stage1    
+   * -------------------------*/
+
+  /* sum = x[0] * y[0]    
+   * sum = x[0] * y[1] + x[1] * y[0]    
+   * ....    
+   * sum = x[0] * y[srcBlen - 1] + x[1] * y[srcBlen - 2] +...+ x[srcBLen - 1] * y[0]    
+   */
+
+  /* In this stage the MAC operations are increased by 1 for every iteration.    
+     The count variable holds the number of MAC operations performed */
+  count = 1u;
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+
+  /* ------------------------    
+   * Stage1 process    
+   * ----------------------*/
+
+  /* The first stage starts here */
+  while(blockSize1 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* x[0] * y[srcBLen - 1] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py--))) >> 32);
+
+      /* x[1] * y[srcBLen - 2] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py--))) >> 32);
+
+      /* x[2] * y[srcBLen - 3] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py--))) >> 32);
+
+      /* x[3] * y[srcBLen - 4] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py--))) >> 32);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.    
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py--))) >> 32);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = sum << 1;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pIn2 + count;
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* --------------------------    
+   * Initializations of stage2    
+   * ------------------------*/
+
+  /* sum = x[0] * y[srcBLen-1] + x[1] * y[srcBLen-2] +...+ x[srcBLen-1] * y[0]    
+   * sum = x[1] * y[srcBLen-1] + x[2] * y[srcBLen-2] +...+ x[srcBLen] * y[0]    
+   * ....    
+   * sum = x[srcALen-srcBLen-2] * y[srcBLen-1] + x[srcALen] * y[srcBLen-2] +...+ x[srcALen-1] * y[0]    
+   */
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  pSrc2 = pIn2 + (srcBLen - 1u);
+  py = pSrc2;
+
+  /* count is index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+  /* -------------------    
+   * Stage2 process    
+   * ------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.    
+   * So, to loop unroll over blockSize2,    
+   * srcBLen should be greater than or equal to 4 */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll over blockSize2, by 4 */
+    blkCnt = blockSize2 >> 2u;
+
+    while(blkCnt > 0u)
+    {
+      /* Set all accumulators to zero */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+      /* read x[0], x[1], x[2] samples */
+      x0 = *(px++);
+      x1 = *(px++);
+      x2 = *(px++);
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      do
+      {
+        /* Read y[srcBLen - 1] sample */
+        c0 = *(py--);
+
+        /* Read x[3] sample */
+        x3 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[0] * y[srcBLen - 1] */
+        acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x0 * c0)) >> 32);
+
+        /* acc1 +=  x[1] * y[srcBLen - 1] */
+        acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x1 * c0)) >> 32);
+
+        /* acc2 +=  x[2] * y[srcBLen - 1] */
+        acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x2 * c0)) >> 32);
+
+        /* acc3 +=  x[3] * y[srcBLen - 1] */
+        acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x3 * c0)) >> 32);
+
+        /* Read y[srcBLen - 2] sample */
+        c0 = *(py--);
+
+        /* Read x[4] sample */
+        x0 = *(px++);
+
+        /* Perform the multiply-accumulate */
+        /* acc0 +=  x[1] * y[srcBLen - 2] */
+        acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x1 * c0)) >> 32);
+        /* acc1 +=  x[2] * y[srcBLen - 2] */
+        acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x2 * c0)) >> 32);
+        /* acc2 +=  x[3] * y[srcBLen - 2] */
+        acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x3 * c0)) >> 32);
+        /* acc3 +=  x[4] * y[srcBLen - 2] */
+        acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x0 * c0)) >> 32);
+
+        /* Read y[srcBLen - 3] sample */
+        c0 = *(py--);
+
+        /* Read x[5] sample */
+        x1 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[2] * y[srcBLen - 3] */
+        acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x2 * c0)) >> 32);
+        /* acc1 +=  x[3] * y[srcBLen - 3] */
+        acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x3 * c0)) >> 32);
+        /* acc2 +=  x[4] * y[srcBLen - 3] */
+        acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x0 * c0)) >> 32);
+        /* acc3 +=  x[5] * y[srcBLen - 3] */
+        acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x1 * c0)) >> 32);
+
+        /* Read y[srcBLen - 4] sample */
+        c0 = *(py--);
+
+        /* Read x[6] sample */
+        x2 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[3] * y[srcBLen - 4] */
+        acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x3 * c0)) >> 32);
+        /* acc1 +=  x[4] * y[srcBLen - 4] */
+        acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x0 * c0)) >> 32);
+        /* acc2 +=  x[5] * y[srcBLen - 4] */
+        acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x1 * c0)) >> 32);
+        /* acc3 +=  x[6] * y[srcBLen - 4] */
+        acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x2 * c0)) >> 32);
+
+
+      } while(--k);
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Read y[srcBLen - 5] sample */
+        c0 = *(py--);
+
+        /* Read x[7] sample */
+        x3 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[4] * y[srcBLen - 5] */
+        acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x0 * c0)) >> 32);
+        /* acc1 +=  x[5] * y[srcBLen - 5] */
+        acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x1 * c0)) >> 32);
+        /* acc2 +=  x[6] * y[srcBLen - 5] */
+        acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x2 * c0)) >> 32);
+        /* acc3 +=  x[7] * y[srcBLen - 5] */
+        acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x3 * c0)) >> 32);
+
+        /* Reuse the present samples for the next MAC */
+        x0 = x1;
+        x1 = x2;
+        x2 = x3;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the results in the accumulators in the destination buffer. */
+      *pOut++ = (q31_t) (acc0 << 1);
+      *pOut++ = (q31_t) (acc1 << 1);
+      *pOut++ = (q31_t) (acc2 << 1);
+      *pOut++ = (q31_t) (acc3 << 1);
+
+      /* Increment the pointer pIn1 index, count by 4 */
+      count += 4u;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+    blkCnt = blockSize2 % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = sum << 1;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+  else
+  {
+    /* If the srcBLen is not a multiple of 4,    
+     * the blockSize2 loop cannot be unrolled by 4 */
+    blkCnt = blockSize2;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* srcBLen number of MACS should be performed */
+      k = srcBLen;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = sum << 1;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+
+
+  /* --------------------------    
+   * Initializations of stage3    
+   * -------------------------*/
+
+  /* sum += x[srcALen-srcBLen+1] * y[srcBLen-1] + x[srcALen-srcBLen+2] * y[srcBLen-2] +...+ x[srcALen-1] * y[1]    
+   * sum += x[srcALen-srcBLen+2] * y[srcBLen-1] + x[srcALen-srcBLen+3] * y[srcBLen-2] +...+ x[srcALen-1] * y[2]    
+   * ....    
+   * sum +=  x[srcALen-2] * y[srcBLen-1] + x[srcALen-1] * y[srcBLen-2]    
+   * sum +=  x[srcALen-1] * y[srcBLen-1]    
+   */
+
+  /* In this stage the MAC operations are decreased by 1 for every iteration.    
+     The blockSize3 variable holds the number of MAC operations performed */
+
+  /* Working pointer of inputA */
+  pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+  px = pSrc1;
+
+  /* Working pointer of inputB */
+  pSrc2 = pIn2 + (srcBLen - 1u);
+  py = pSrc2;
+
+  /* -------------------    
+   * Stage3 process    
+   * ------------------*/
+
+  while(blockSize3 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = blockSize3 >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* sum += x[srcALen - srcBLen + 1] * y[srcBLen - 1] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py--))) >> 32);
+
+      /* sum += x[srcALen - srcBLen + 2] * y[srcBLen - 2] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py--))) >> 32);
+
+      /* sum += x[srcALen - srcBLen + 3] * y[srcBLen - 3] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py--))) >> 32);
+
+      /* sum += x[srcALen - srcBLen + 4] * y[srcBLen - 4] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py--))) >> 32);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the blockSize3 is not a multiple of 4, compute any remaining MACs here.    
+     ** No loop unrolling is used. */
+    k = blockSize3 % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py--))) >> 32);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = sum << 1;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pSrc2;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+  }
+
+}
+
+/**    
+ * @} end of Conv group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_opt_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_opt_q15.c
new file mode 100644
index 0000000000..2d9ada7be2
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_opt_q15.c
@@ -0,0 +1,544 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_conv_opt_q15.c    
+*    
+* Description:	Convolution of Q15 sequences.      
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+*    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup Conv    
+ * @{    
+ */
+
+/**    
+ * @brief Convolution of Q15 sequences.    
+ * @param[in] *pSrcA points to the first input sequence.    
+ * @param[in] srcALen length of the first input sequence.    
+ * @param[in] *pSrcB points to the second input sequence.    
+ * @param[in] srcBLen length of the second input sequence.    
+ * @param[out] *pDst points to the location where the output result is written.  Length srcALen+srcBLen-1.    
+ * @param[in]  *pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.    
+ * @param[in]  *pScratch2 points to scratch buffer of size min(srcALen, srcBLen).    
+ * @return none.    
+ *    
+ * \par Restrictions    
+ *  If the silicon does not support unaligned memory access enable the macro UNALIGNED_SUPPORT_DISABLE    
+ *	In this case input, output, scratch1 and scratch2 buffers should be aligned by 32-bit    
+ *    
+ *       
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The function is implemented using a 64-bit internal accumulator.    
+ * Both inputs are in 1.15 format and multiplications yield a 2.30 result.    
+ * The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format.    
+ * This approach provides 33 guard bits and there is no risk of overflow.    
+ * The 34.30 result is then truncated to 34.15 format by discarding the low 15 bits and then saturated to 1.15 format.    
+ *  
+ *   
+ * \par    
+ * Refer to arm_conv_fast_q15() for a faster but less precise version of this function for Cortex-M3 and Cortex-M4.     
+ * 
+ *  
+ */
+
+void arm_conv_opt_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  q15_t * pScratch1,
+  q15_t * pScratch2)
+{
+  q63_t acc0, acc1, acc2, acc3;                  /* Accumulator */
+  q31_t x1, x2, x3;                              /* Temporary variables to hold state and coefficient values */
+  q31_t y1, y2;                                  /* State variables */
+  q15_t *pOut = pDst;                            /* output pointer */
+  q15_t *pScr1 = pScratch1;                      /* Temporary pointer for scratch1 */
+  q15_t *pScr2 = pScratch2;                      /* Temporary pointer for scratch1 */
+  q15_t *pIn1;                                   /* inputA pointer */
+  q15_t *pIn2;                                   /* inputB pointer */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  uint32_t j, k, blkCnt;                         /* loop counter */
+  uint32_t tapCnt;                               /* loop count */
+#ifdef UNALIGNED_SUPPORT_DISABLE
+
+  q15_t a, b;
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcA;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcB;
+
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcB;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcA;
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+  }
+
+  /* pointer to take end of scratch2 buffer */
+  pScr2 = pScratch2 + srcBLen - 1;
+
+  /* points to smaller length sequence */
+  px = pIn2;
+
+  /* Apply loop unrolling and do 4 Copies simultaneously. */
+  k = srcBLen >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  /* Copy smaller length input sequence in reverse order into second scratch buffer */
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    *pScr2-- = *px++;
+    *pScr2-- = *px++;
+    *pScr2-- = *px++;
+    *pScr2-- = *px++;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  k = srcBLen % 0x4u;
+
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    *pScr2-- = *px++;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* Initialze temporary scratch pointer */
+  pScr1 = pScratch1;
+
+  /* Assuming scratch1 buffer is aligned by 32-bit */
+  /* Fill (srcBLen - 1u) zeros in scratch buffer */
+  arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+  /* Update temporary scratch pointer */
+  pScr1 += (srcBLen - 1u);
+
+  /* Copy bigger length sequence(srcALen) samples in scratch1 buffer */
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  /* Copy (srcALen) samples in scratch buffer */
+  arm_copy_q15(pIn1, pScr1, srcALen);
+
+  /* Update pointers */
+  pScr1 += srcALen;
+
+#else
+
+  /* Apply loop unrolling and do 4 Copies simultaneously. */
+  k = srcALen >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    *pScr1++ = *pIn1++;
+    *pScr1++ = *pIn1++;
+    *pScr1++ = *pIn1++;
+    *pScr1++ = *pIn1++;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  k = srcALen % 0x4u;
+
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    *pScr1++ = *pIn1++;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+#endif
+
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  /* Fill (srcBLen - 1u) zeros at end of scratch buffer */
+  arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+  /* Update pointer */
+  pScr1 += (srcBLen - 1u);
+
+#else
+
+  /* Apply loop unrolling and do 4 Copies simultaneously. */
+  k = (srcBLen - 1u) >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    *pScr1++ = 0;
+    *pScr1++ = 0;
+    *pScr1++ = 0;
+    *pScr1++ = 0;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  k = (srcBLen - 1u) % 0x4u;
+
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    *pScr1++ = 0;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+#endif
+
+  /* Temporary pointer for scratch2 */
+  py = pScratch2;
+
+
+  /* Initialization of pIn2 pointer */
+  pIn2 = py;
+
+  /* First part of the processing with loop unrolling process 4 data points at a time.       
+   ** a second loop below process for the remaining 1 to 3 samples. */
+
+  /* Actual convolution process starts here */
+  blkCnt = (srcALen + srcBLen - 1u) >> 2;
+
+  while(blkCnt > 0)
+  {
+    /* Initialze temporary scratch pointer as scratch1 */
+    pScr1 = pScratch1;
+
+    /* Clear Accumlators */
+    acc0 = 0;
+    acc1 = 0;
+    acc2 = 0;
+    acc3 = 0;
+
+    /* Read two samples from scratch1 buffer */
+    x1 = *__SIMD32(pScr1)++;
+
+    /* Read next two samples from scratch1 buffer */
+    x2 = *__SIMD32(pScr1)++;
+
+    tapCnt = (srcBLen) >> 2u;
+
+    while(tapCnt > 0u)
+    {
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+      /* Read four samples from smaller buffer */
+      y1 = _SIMD32_OFFSET(pIn2);
+      y2 = _SIMD32_OFFSET(pIn2 + 2u);
+
+      /* multiply and accumlate */
+      acc0 = __SMLALD(x1, y1, acc0);
+      acc2 = __SMLALD(x2, y1, acc2);
+
+      /* pack input data */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      /* multiply and accumlate */
+      acc1 = __SMLALDX(x3, y1, acc1);
+
+      /* Read next two samples from scratch1 buffer */
+      x1 = _SIMD32_OFFSET(pScr1);
+
+      /* multiply and accumlate */
+      acc0 = __SMLALD(x2, y2, acc0);
+      acc2 = __SMLALD(x1, y2, acc2);
+
+      /* pack input data */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x1, x2, 0);
+#else
+      x3 = __PKHBT(x2, x1, 0);
+#endif
+
+      acc3 = __SMLALDX(x3, y1, acc3);
+      acc1 = __SMLALDX(x3, y2, acc1);
+
+      x2 = _SIMD32_OFFSET(pScr1 + 2u);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc3 = __SMLALDX(x3, y2, acc3);
+
+#else	 
+
+      /* Read four samples from smaller buffer */
+	  a = *pIn2;
+	  b = *(pIn2 + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      y1 = __PKHBT(a, b, 16);
+#else
+      y1 = __PKHBT(b, a, 16);
+#endif
+	  
+	  a = *(pIn2 + 2);
+	  b = *(pIn2 + 3);
+#ifndef ARM_MATH_BIG_ENDIAN
+      y2 = __PKHBT(a, b, 16);
+#else
+      y2 = __PKHBT(b, a, 16);
+#endif				
+
+      acc0 = __SMLALD(x1, y1, acc0);
+
+      acc2 = __SMLALD(x2, y1, acc2);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc1 = __SMLALDX(x3, y1, acc1);
+
+	  a = *pScr1;
+	  b = *(pScr1 + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x1 = __PKHBT(a, b, 16);
+#else
+      x1 = __PKHBT(b, a, 16);
+#endif
+
+      acc0 = __SMLALD(x2, y2, acc0);
+
+      acc2 = __SMLALD(x1, y2, acc2);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x1, x2, 0);
+#else
+      x3 = __PKHBT(x2, x1, 0);
+#endif
+
+      acc3 = __SMLALDX(x3, y1, acc3);
+
+      acc1 = __SMLALDX(x3, y2, acc1);
+
+	  a = *(pScr1 + 2);
+	  b = *(pScr1 + 3);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x2 = __PKHBT(a, b, 16);
+#else
+      x2 = __PKHBT(b, a, 16);
+#endif
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc3 = __SMLALDX(x3, y2, acc3);
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+      pIn2 += 4u;
+      pScr1 += 4u;
+
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Update scratch pointer for remaining samples of smaller length sequence */
+    pScr1 -= 4u;
+
+    /* apply same above for remaining samples of smaller length sequence */
+    tapCnt = (srcBLen) & 3u;
+
+    while(tapCnt > 0u)
+    {
+
+      /* accumlate the results */
+      acc0 += (*pScr1++ * *pIn2);
+      acc1 += (*pScr1++ * *pIn2);
+      acc2 += (*pScr1++ * *pIn2);
+      acc3 += (*pScr1++ * *pIn2++);
+
+      pScr1 -= 3u;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    blkCnt--;
+
+
+    /* Store the results in the accumulators in the destination buffer. */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    *__SIMD32(pOut)++ =
+      __PKHBT(__SSAT((acc0 >> 15), 16), __SSAT((acc1 >> 15), 16), 16);
+
+    *__SIMD32(pOut)++ =
+      __PKHBT(__SSAT((acc2 >> 15), 16), __SSAT((acc3 >> 15), 16), 16);
+
+#else
+
+    *__SIMD32(pOut)++ =
+      __PKHBT(__SSAT((acc1 >> 15), 16), __SSAT((acc0 >> 15), 16), 16);
+
+    *__SIMD32(pOut)++ =
+      __PKHBT(__SSAT((acc3 >> 15), 16), __SSAT((acc2 >> 15), 16), 16);
+
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN       */
+
+    /* Initialization of inputB pointer */
+    pIn2 = py;
+
+    pScratch1 += 4u;
+
+  }
+
+
+  blkCnt = (srcALen + srcBLen - 1u) & 0x3;
+
+  /* Calculate convolution for remaining samples of Bigger length sequence */
+  while(blkCnt > 0)
+  {
+    /* Initialze temporary scratch pointer as scratch1 */
+    pScr1 = pScratch1;
+
+    /* Clear Accumlators */
+    acc0 = 0;
+
+    tapCnt = (srcBLen) >> 1u;
+
+    while(tapCnt > 0u)
+    {
+
+      /* Read next two samples from scratch1 buffer */
+      acc0 += (*pScr1++ * *pIn2++);
+      acc0 += (*pScr1++ * *pIn2++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    tapCnt = (srcBLen) & 1u;
+
+    /* apply same above for remaining samples of smaller length sequence */
+    while(tapCnt > 0u)
+    {
+
+      /* accumlate the results */
+      acc0 += (*pScr1++ * *pIn2++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    blkCnt--;
+
+    /* The result is in 2.30 format.  Convert to 1.15 with saturation.       
+     ** Then store the output in the destination buffer. */
+    *pOut++ = (q15_t) (__SSAT((acc0 >> 15), 16));
+
+
+    /* Initialization of inputB pointer */
+    pIn2 = py;
+
+    pScratch1 += 1u;
+
+  }
+
+}
+
+
+/**    
+ * @} end of Conv group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_opt_q7.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_opt_q7.c
new file mode 100644
index 0000000000..b57e4a24b0
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_opt_q7.c
@@ -0,0 +1,434 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_conv_opt_q7.c    
+*    
+* Description:	Convolution of Q7 sequences.  
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*  
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+*    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup Conv    
+ * @{    
+ */
+
+/**    
+ * @brief Convolution of Q7 sequences.    
+ * @param[in] *pSrcA points to the first input sequence.    
+ * @param[in] srcALen length of the first input sequence.    
+ * @param[in] *pSrcB points to the second input sequence.    
+ * @param[in] srcBLen length of the second input sequence.    
+ * @param[out] *pDst points to the location where the output result is written.  Length srcALen+srcBLen-1.    
+ * @param[in]  *pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.   
+ * @param[in]  *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).   
+ * @return none.    
+ *    
+ * \par Restrictions    
+ *  If the silicon does not support unaligned memory access enable the macro UNALIGNED_SUPPORT_DISABLE    
+ *	In this case input, output, scratch1 and scratch2 buffers should be aligned by 32-bit     
+ *       
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The function is implemented using a 32-bit internal accumulator.    
+ * Both the inputs are represented in 1.7 format and multiplications yield a 2.14 result.    
+ * The 2.14 intermediate results are accumulated in a 32-bit accumulator in 18.14 format.    
+ * This approach provides 17 guard bits and there is no risk of overflow as long as max(srcALen, srcBLen)<131072.    
+ * The 18.14 result is then truncated to 18.7 format by discarding the low 7 bits and then saturated to 1.7 format.    
+ *
+ */
+
+void arm_conv_opt_q7(
+  q7_t * pSrcA,
+  uint32_t srcALen,
+  q7_t * pSrcB,
+  uint32_t srcBLen,
+  q7_t * pDst,
+  q15_t * pScratch1,
+  q15_t * pScratch2)
+{
+
+  q15_t *pScr2, *pScr1;                          /* Intermediate pointers for scratch pointers */
+  q15_t x4;                                      /* Temporary input variable */
+  q7_t *pIn1, *pIn2;                             /* inputA and inputB pointer */
+  uint32_t j, k, blkCnt, tapCnt;                 /* loop counter */
+  q7_t *px;                                      /* Temporary input1 pointer */
+  q15_t *py;                                     /* Temporary input2 pointer */
+  q31_t acc0, acc1, acc2, acc3;                  /* Accumulator */
+  q31_t x1, x2, x3, y1;                          /* Temporary input variables */
+  q7_t *pOut = pDst;                             /* output pointer */
+  q7_t out0, out1, out2, out3;                   /* temporary variables */
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcA;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcB;
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcB;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcA;
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+  }
+
+  /* pointer to take end of scratch2 buffer */
+  pScr2 = pScratch2;
+
+  /* points to smaller length sequence */
+  px = pIn2 + srcBLen - 1;
+
+  /* Apply loop unrolling and do 4 Copies simultaneously. */
+  k = srcBLen >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    x4 = (q15_t) * px--;
+    *pScr2++ = x4;
+    x4 = (q15_t) * px--;
+    *pScr2++ = x4;
+    x4 = (q15_t) * px--;
+    *pScr2++ = x4;
+    x4 = (q15_t) * px--;
+    *pScr2++ = x4;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  k = srcBLen % 0x4u;
+
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    x4 = (q15_t) * px--;
+    *pScr2++ = x4;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* Initialze temporary scratch pointer */
+  pScr1 = pScratch1;
+
+  /* Fill (srcBLen - 1u) zeros in scratch buffer */
+  arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+  /* Update temporary scratch pointer */
+  pScr1 += (srcBLen - 1u);
+
+  /* Copy (srcALen) samples in scratch buffer */
+  /* Apply loop unrolling and do 4 Copies simultaneously. */
+  k = srcALen >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    x4 = (q15_t) * pIn1++;
+    *pScr1++ = x4;
+    x4 = (q15_t) * pIn1++;
+    *pScr1++ = x4;
+    x4 = (q15_t) * pIn1++;
+    *pScr1++ = x4;
+    x4 = (q15_t) * pIn1++;
+    *pScr1++ = x4;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  k = srcALen % 0x4u;
+
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    x4 = (q15_t) * pIn1++;
+    *pScr1++ = x4;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  /* Fill (srcBLen - 1u) zeros at end of scratch buffer */
+  arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+  /* Update pointer */
+  pScr1 += (srcBLen - 1u);
+
+#else
+
+  /* Apply loop unrolling and do 4 Copies simultaneously. */
+  k = (srcBLen - 1u) >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    *pScr1++ = 0;
+    *pScr1++ = 0;
+    *pScr1++ = 0;
+    *pScr1++ = 0;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  k = (srcBLen - 1u) % 0x4u;
+
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    *pScr1++ = 0;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+#endif
+
+  /* Temporary pointer for scratch2 */
+  py = pScratch2;
+
+  /* Initialization of pIn2 pointer */
+  pIn2 = (q7_t *) py;
+
+  pScr2 = py;
+
+  /* Actual convolution process starts here */
+  blkCnt = (srcALen + srcBLen - 1u) >> 2;
+
+  while(blkCnt > 0)
+  {
+    /* Initialze temporary scratch pointer as scratch1 */
+    pScr1 = pScratch1;
+
+    /* Clear Accumlators */
+    acc0 = 0;
+    acc1 = 0;
+    acc2 = 0;
+    acc3 = 0;
+
+    /* Read two samples from scratch1 buffer */
+    x1 = *__SIMD32(pScr1)++;
+
+    /* Read next two samples from scratch1 buffer */
+    x2 = *__SIMD32(pScr1)++;
+
+    tapCnt = (srcBLen) >> 2u;
+
+    while(tapCnt > 0u)
+    {
+
+      /* Read four samples from smaller buffer */
+      y1 = _SIMD32_OFFSET(pScr2);
+
+      /* multiply and accumlate */
+      acc0 = __SMLAD(x1, y1, acc0);
+      acc2 = __SMLAD(x2, y1, acc2);
+
+      /* pack input data */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      /* multiply and accumlate */
+      acc1 = __SMLADX(x3, y1, acc1);
+
+      /* Read next two samples from scratch1 buffer */
+      x1 = *__SIMD32(pScr1)++;
+
+      /* pack input data */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x1, x2, 0);
+#else
+      x3 = __PKHBT(x2, x1, 0);
+#endif
+
+      acc3 = __SMLADX(x3, y1, acc3);
+
+      /* Read four samples from smaller buffer */
+      y1 = _SIMD32_OFFSET(pScr2 + 2u);
+
+      acc0 = __SMLAD(x2, y1, acc0);
+
+      acc2 = __SMLAD(x1, y1, acc2);
+
+      acc1 = __SMLADX(x3, y1, acc1);
+
+      x2 = *__SIMD32(pScr1)++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc3 = __SMLADX(x3, y1, acc3);
+
+      pScr2 += 4u;
+
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+
+
+    /* Update scratch pointer for remaining samples of smaller length sequence */
+    pScr1 -= 4u;
+
+
+    /* apply same above for remaining samples of smaller length sequence */
+    tapCnt = (srcBLen) & 3u;
+
+    while(tapCnt > 0u)
+    {
+
+      /* accumlate the results */
+      acc0 += (*pScr1++ * *pScr2);
+      acc1 += (*pScr1++ * *pScr2);
+      acc2 += (*pScr1++ * *pScr2);
+      acc3 += (*pScr1++ * *pScr2++);
+
+      pScr1 -= 3u;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    blkCnt--;
+
+    /* Store the result in the accumulator in the destination buffer. */
+    out0 = (q7_t) (__SSAT(acc0 >> 7u, 8));
+    out1 = (q7_t) (__SSAT(acc1 >> 7u, 8));
+    out2 = (q7_t) (__SSAT(acc2 >> 7u, 8));
+    out3 = (q7_t) (__SSAT(acc3 >> 7u, 8));
+
+    *__SIMD32(pOut)++ = __PACKq7(out0, out1, out2, out3);
+
+    /* Initialization of inputB pointer */
+    pScr2 = py;
+
+    pScratch1 += 4u;
+
+  }
+
+
+  blkCnt = (srcALen + srcBLen - 1u) & 0x3;
+
+  /* Calculate convolution for remaining samples of Bigger length sequence */
+  while(blkCnt > 0)
+  {
+    /* Initialze temporary scratch pointer as scratch1 */
+    pScr1 = pScratch1;
+
+    /* Clear Accumlators */
+    acc0 = 0;
+
+    tapCnt = (srcBLen) >> 1u;
+
+    while(tapCnt > 0u)
+    {
+      acc0 += (*pScr1++ * *pScr2++);
+      acc0 += (*pScr1++ * *pScr2++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    tapCnt = (srcBLen) & 1u;
+
+    /* apply same above for remaining samples of smaller length sequence */
+    while(tapCnt > 0u)
+    {
+
+      /* accumlate the results */
+      acc0 += (*pScr1++ * *pScr2++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    blkCnt--;
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q7_t) (__SSAT(acc0 >> 7u, 8));
+
+    /* Initialization of inputB pointer */
+    pScr2 = py;
+
+    pScratch1 += 1u;
+
+  }
+
+}
+
+
+/**    
+ * @} end of Conv group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_f32.c
new file mode 100644
index 0000000000..b3200f7e8b
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_f32.c
@@ -0,0 +1,661 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_conv_partial_f32.c    
+*    
+* Description:	Partial convolution of floating-point sequences.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+* 
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+*    
+* -------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @defgroup PartialConv Partial Convolution    
+ *    
+ * Partial Convolution is equivalent to Convolution except that a subset of the output samples is generated.    
+ * Each function has two additional arguments.    
+ * firstIndex specifies the starting index of the subset of output samples.    
+ * numPoints is the number of output samples to compute.    
+ * The function computes the output in the range    
+ * [firstIndex, ..., firstIndex+numPoints-1].    
+ * The output array pDst contains numPoints values.    
+ *    
+ * The allowable range of output indices is [0 srcALen+srcBLen-2].    
+ * If the requested subset does not fall in this range then the functions return ARM_MATH_ARGUMENT_ERROR.    
+ * Otherwise the functions return ARM_MATH_SUCCESS.    
+ * \note Refer arm_conv_f32() for details on fixed point behavior.   
+ *
+ * 
+ * Fast Versions
+ *
+ * \par 
+ * Fast versions are supported for Q31 and Q15 of partial convolution.  Cycles for Fast versions are less compared to Q31 and Q15 of partial conv and the design requires
+ * the input signals should be scaled down to avoid intermediate overflows.   
+ *
+ *
+ * Opt Versions
+ *
+ * \par 
+ * Opt versions are supported for Q15 and Q7.  Design uses internal scratch buffer for getting good optimisation.
+ * These versions are optimised in cycles and consumes more memory(Scratch memory) compared to Q15 and Q7 versions of partial convolution
+ */
+
+/**    
+ * @addtogroup PartialConv    
+ * @{    
+ */
+
+/**    
+ * @brief Partial convolution of floating-point sequences.    
+ * @param[in]       *pSrcA points to the first input sequence.    
+ * @param[in]       srcALen length of the first input sequence.    
+ * @param[in]       *pSrcB points to the second input sequence.    
+ * @param[in]       srcBLen length of the second input sequence.    
+ * @param[out]      *pDst points to the location where the output result is written.    
+ * @param[in]       firstIndex is the first output sample to start with.    
+ * @param[in]       numPoints is the number of output points to be computed.    
+ * @return  Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].    
+ */
+
+arm_status arm_conv_partial_f32(
+  float32_t * pSrcA,
+  uint32_t srcALen,
+  float32_t * pSrcB,
+  uint32_t srcBLen,
+  float32_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints)
+{
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  float32_t *pIn1 = pSrcA;                       /* inputA pointer */
+  float32_t *pIn2 = pSrcB;                       /* inputB pointer */
+  float32_t *pOut = pDst;                        /* output pointer */
+  float32_t *px;                                 /* Intermediate inputA pointer */
+  float32_t *py;                                 /* Intermediate inputB pointer */
+  float32_t *pSrc1, *pSrc2;                      /* Intermediate pointers */
+  float32_t sum, acc0, acc1, acc2, acc3;         /* Accumulator */
+  float32_t x0, x1, x2, x3, c0;                  /* Temporary variables to hold state and coefficient values */
+  uint32_t j, k, count = 0u, blkCnt, check;
+  int32_t blockSize1, blockSize2, blockSize3;    /* loop counters */
+  arm_status status;                             /* status of Partial convolution */
+
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_MATH_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+
+    /* The algorithm implementation is based on the lengths of the inputs. */
+    /* srcB is always made to slide across srcA. */
+    /* So srcBLen is always considered as shorter or equal to srcALen */
+    if(srcALen >= srcBLen)
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcA;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcB;
+    }
+    else
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcB;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcA;
+
+      /* srcBLen is always considered as shorter or equal to srcALen */
+      j = srcBLen;
+      srcBLen = srcALen;
+      srcALen = j;
+    }
+
+    /* Conditions to check which loopCounter holds    
+     * the first and last indices of the output samples to be calculated. */
+    check = firstIndex + numPoints;
+    blockSize3 = (int32_t) check - (int32_t) srcALen;
+    blockSize3 = (blockSize3 > 0) ? blockSize3 : 0;
+    blockSize1 = ((int32_t) srcBLen - 1) - (int32_t) firstIndex;
+    blockSize1 = (blockSize1 > 0) ? ((check > (srcBLen - 1u)) ? blockSize1 :
+                                     (int32_t) numPoints) : 0;
+    blockSize2 = ((int32_t) check - blockSize3) -
+      (blockSize1 + (int32_t) firstIndex);
+    blockSize2 = (blockSize2 > 0) ? blockSize2 : 0;
+
+    /* conv(x,y) at n = x[n] * y[0] + x[n-1] * y[1] + x[n-2] * y[2] + ...+ x[n-N+1] * y[N -1] */
+    /* The function is internally    
+     * divided into three stages according to the number of multiplications that has to be    
+     * taken place between inputA samples and inputB samples. In the first stage of the    
+     * algorithm, the multiplications increase by one for every iteration.    
+     * In the second stage of the algorithm, srcBLen number of multiplications are done.    
+     * In the third stage of the algorithm, the multiplications decrease by one    
+     * for every iteration. */
+
+    /* Set the output pointer to point to the firstIndex    
+     * of the output sample to be calculated. */
+    pOut = pDst + firstIndex;
+
+    /* --------------------------    
+     * Initializations of stage1    
+     * -------------------------*/
+
+    /* sum = x[0] * y[0]    
+     * sum = x[0] * y[1] + x[1] * y[0]    
+     * ....    
+     * sum = x[0] * y[srcBlen - 1] + x[1] * y[srcBlen - 2] +...+ x[srcBLen - 1] * y[0]    
+     */
+
+    /* In this stage the MAC operations are increased by 1 for every iteration.    
+       The count variable holds the number of MAC operations performed.    
+       Since the partial convolution starts from from firstIndex    
+       Number of Macs to be performed is firstIndex + 1 */
+    count = 1u + firstIndex;
+
+    /* Working pointer of inputA */
+    px = pIn1;
+
+    /* Working pointer of inputB */
+    pSrc1 = pIn2 + firstIndex;
+    py = pSrc1;
+
+    /* ------------------------    
+     * Stage1 process    
+     * ----------------------*/
+
+    /* The first stage starts here */
+    while(blockSize1 > 0)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0.0f;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* x[0] * y[srcBLen - 1] */
+        sum += *px++ * *py--;
+
+        /* x[1] * y[srcBLen - 2] */
+        sum += *px++ * *py--;
+
+        /* x[2] * y[srcBLen - 3] */
+        sum += *px++ * *py--;
+
+        /* x[3] * y[srcBLen - 4] */
+        sum += *px++ * *py--;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the count is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = count % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += *px++ * *py--;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = sum;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      py = ++pSrc1;
+      px = pIn1;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Decrement the loop counter */
+      blockSize1--;
+    }
+
+    /* --------------------------    
+     * Initializations of stage2    
+     * ------------------------*/
+
+    /* sum = x[0] * y[srcBLen-1] + x[1] * y[srcBLen-2] +...+ x[srcBLen-1] * y[0]    
+     * sum = x[1] * y[srcBLen-1] + x[2] * y[srcBLen-2] +...+ x[srcBLen] * y[0]    
+     * ....    
+     * sum = x[srcALen-srcBLen-2] * y[srcBLen-1] + x[srcALen] * y[srcBLen-2] +...+ x[srcALen-1] * y[0]    
+     */
+
+    /* Working pointer of inputA */
+    px = pIn1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + (srcBLen - 1u);
+    py = pSrc2;
+
+    /* count is index by which the pointer pIn1 to be incremented */
+    count = 0u;
+
+    /* -------------------    
+     * Stage2 process    
+     * ------------------*/
+
+    /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.    
+     * So, to loop unroll over blockSize2,    
+     * srcBLen should be greater than or equal to 4 */
+    if(srcBLen >= 4u)
+    {
+      /* Loop unroll over blockSize2, by 4 */
+      blkCnt = ((uint32_t) blockSize2 >> 2u);
+
+      while(blkCnt > 0u)
+      {
+        /* Set all accumulators to zero */
+        acc0 = 0.0f;
+        acc1 = 0.0f;
+        acc2 = 0.0f;
+        acc3 = 0.0f;
+
+        /* read x[0], x[1], x[2] samples */
+        x0 = *(px++);
+        x1 = *(px++);
+        x2 = *(px++);
+
+        /* Apply loop unrolling and compute 4 MACs simultaneously. */
+        k = srcBLen >> 2u;
+
+        /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+         ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+        do
+        {
+          /* Read y[srcBLen - 1] sample */
+          c0 = *(py--);
+
+          /* Read x[3] sample */
+          x3 = *(px++);
+
+          /* Perform the multiply-accumulate */
+          /* acc0 +=  x[0] * y[srcBLen - 1] */
+          acc0 += x0 * c0;
+
+          /* acc1 +=  x[1] * y[srcBLen - 1] */
+          acc1 += x1 * c0;
+
+          /* acc2 +=  x[2] * y[srcBLen - 1] */
+          acc2 += x2 * c0;
+
+          /* acc3 +=  x[3] * y[srcBLen - 1] */
+          acc3 += x3 * c0;
+
+          /* Read y[srcBLen - 2] sample */
+          c0 = *(py--);
+
+          /* Read x[4] sample */
+          x0 = *(px++);
+
+          /* Perform the multiply-accumulate */
+          /* acc0 +=  x[1] * y[srcBLen - 2] */
+          acc0 += x1 * c0;
+          /* acc1 +=  x[2] * y[srcBLen - 2] */
+          acc1 += x2 * c0;
+          /* acc2 +=  x[3] * y[srcBLen - 2] */
+          acc2 += x3 * c0;
+          /* acc3 +=  x[4] * y[srcBLen - 2] */
+          acc3 += x0 * c0;
+
+          /* Read y[srcBLen - 3] sample */
+          c0 = *(py--);
+
+          /* Read x[5] sample */
+          x1 = *(px++);
+
+          /* Perform the multiply-accumulates */
+          /* acc0 +=  x[2] * y[srcBLen - 3] */
+          acc0 += x2 * c0;
+          /* acc1 +=  x[3] * y[srcBLen - 2] */
+          acc1 += x3 * c0;
+          /* acc2 +=  x[4] * y[srcBLen - 2] */
+          acc2 += x0 * c0;
+          /* acc3 +=  x[5] * y[srcBLen - 2] */
+          acc3 += x1 * c0;
+
+          /* Read y[srcBLen - 4] sample */
+          c0 = *(py--);
+
+          /* Read x[6] sample */
+          x2 = *(px++);
+
+          /* Perform the multiply-accumulates */
+          /* acc0 +=  x[3] * y[srcBLen - 4] */
+          acc0 += x3 * c0;
+          /* acc1 +=  x[4] * y[srcBLen - 4] */
+          acc1 += x0 * c0;
+          /* acc2 +=  x[5] * y[srcBLen - 4] */
+          acc2 += x1 * c0;
+          /* acc3 +=  x[6] * y[srcBLen - 4] */
+          acc3 += x2 * c0;
+
+
+        } while(--k);
+
+        /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+         ** No loop unrolling is used. */
+        k = srcBLen % 0x4u;
+
+        while(k > 0u)
+        {
+          /* Read y[srcBLen - 5] sample */
+          c0 = *(py--);
+
+          /* Read x[7] sample */
+          x3 = *(px++);
+
+          /* Perform the multiply-accumulates */
+          /* acc0 +=  x[4] * y[srcBLen - 5] */
+          acc0 += x0 * c0;
+          /* acc1 +=  x[5] * y[srcBLen - 5] */
+          acc1 += x1 * c0;
+          /* acc2 +=  x[6] * y[srcBLen - 5] */
+          acc2 += x2 * c0;
+          /* acc3 +=  x[7] * y[srcBLen - 5] */
+          acc3 += x3 * c0;
+
+          /* Reuse the present samples for the next MAC */
+          x0 = x1;
+          x1 = x2;
+          x2 = x3;
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = acc0;
+        *pOut++ = acc1;
+        *pOut++ = acc2;
+        *pOut++ = acc3;
+
+        /* Increment the pointer pIn1 index, count by 1 */
+        count += 4u;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+
+      /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.    
+       ** No loop unrolling is used. */
+      blkCnt = (uint32_t) blockSize2 % 0x4u;
+
+      while(blkCnt > 0u)
+      {
+        /* Accumulator is made zero for every iteration */
+        sum = 0.0f;
+
+        /* Apply loop unrolling and compute 4 MACs simultaneously. */
+        k = srcBLen >> 2u;
+
+        /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+         ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulates */
+          sum += *px++ * *py--;
+          sum += *px++ * *py--;
+          sum += *px++ * *py--;
+          sum += *px++ * *py--;
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+         ** No loop unrolling is used. */
+        k = srcBLen % 0x4u;
+
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulate */
+          sum += *px++ * *py--;
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = sum;
+
+        /* Increment the MAC count */
+        count++;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+    }
+    else
+    {
+      /* If the srcBLen is not a multiple of 4,    
+       * the blockSize2 loop cannot be unrolled by 4 */
+      blkCnt = (uint32_t) blockSize2;
+
+      while(blkCnt > 0u)
+      {
+        /* Accumulator is made zero for every iteration */
+        sum = 0.0f;
+
+        /* srcBLen number of MACS should be performed */
+        k = srcBLen;
+
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulate */
+          sum += *px++ * *py--;
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = sum;
+
+        /* Increment the MAC count */
+        count++;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+    }
+
+
+    /* --------------------------    
+     * Initializations of stage3    
+     * -------------------------*/
+
+    /* sum += x[srcALen-srcBLen+1] * y[srcBLen-1] + x[srcALen-srcBLen+2] * y[srcBLen-2] +...+ x[srcALen-1] * y[1]    
+     * sum += x[srcALen-srcBLen+2] * y[srcBLen-1] + x[srcALen-srcBLen+3] * y[srcBLen-2] +...+ x[srcALen-1] * y[2]    
+     * ....    
+     * sum +=  x[srcALen-2] * y[srcBLen-1] + x[srcALen-1] * y[srcBLen-2]    
+     * sum +=  x[srcALen-1] * y[srcBLen-1]    
+     */
+
+    /* In this stage the MAC operations are decreased by 1 for every iteration.    
+       The count variable holds the number of MAC operations performed */
+    count = srcBLen - 1u;
+
+    /* Working pointer of inputA */
+    pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+    px = pSrc1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + (srcBLen - 1u);
+    py = pSrc2;
+
+    while(blockSize3 > 0)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0.0f;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* sum += x[srcALen - srcBLen + 1] * y[srcBLen - 1] */
+        sum += *px++ * *py--;
+
+        /* sum += x[srcALen - srcBLen + 2] * y[srcBLen - 2] */
+        sum += *px++ * *py--;
+
+        /* sum += x[srcALen - srcBLen + 3] * y[srcBLen - 3] */
+        sum += *px++ * *py--;
+
+        /* sum += x[srcALen - srcBLen + 4] * y[srcBLen - 4] */
+        sum += *px++ * *py--;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the count is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = count % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        /* sum +=  x[srcALen-1] * y[srcBLen-1] */
+        sum += *px++ * *py--;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = sum;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = ++pSrc1;
+      py = pSrc2;
+
+      /* Decrement the MAC count */
+      count--;
+
+      /* Decrement the loop counter */
+      blockSize3--;
+
+    }
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  float32_t *pIn1 = pSrcA;                       /* inputA pointer */
+  float32_t *pIn2 = pSrcB;                       /* inputB pointer */
+  float32_t sum;                                 /* Accumulator */
+  uint32_t i, j;                                 /* loop counters */
+  arm_status status;                             /* status of Partial convolution */
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+    /* Loop to calculate convolution for output length number of values */
+    for (i = firstIndex; i <= (firstIndex + numPoints - 1); i++)
+    {
+      /* Initialize sum with zero to carry on MAC operations */
+      sum = 0.0f;
+
+      /* Loop to perform MAC operations according to convolution equation */
+      for (j = 0u; j <= i; j++)
+      {
+        /* Check the array limitations for inputs */
+        if((((i - j) < srcBLen) && (j < srcALen)))
+        {
+          /* z[i] += x[i-j] * y[j] */
+          sum += pIn1[j] * pIn2[i - j];
+        }
+      }
+      /* Store the output in the destination buffer */
+      pDst[i] = sum;
+    }
+    /* set status as ARM_SUCCESS as there are no argument errors */
+    status = ARM_MATH_SUCCESS;
+  }
+  return (status);
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of PartialConv group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_fast_opt_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_fast_opt_q15.c
new file mode 100644
index 0000000000..1c04d2217a
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_fast_opt_q15.c
@@ -0,0 +1,763 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_conv_partial_fast_opt_q15.c    
+*    
+* Description:	Fast Q15 Partial convolution.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+* 
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup PartialConv    
+ * @{    
+ */
+
+/**    
+ * @brief Partial convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.    
+ * @param[in]       *pSrcA points to the first input sequence.    
+ * @param[in]       srcALen length of the first input sequence.    
+ * @param[in]       *pSrcB points to the second input sequence.    
+ * @param[in]       srcBLen length of the second input sequence.    
+ * @param[out]      *pDst points to the location where the output result is written.    
+ * @param[in]       firstIndex is the first output sample to start with.    
+ * @param[in]       numPoints is the number of output points to be computed.    
+ * @param[in]       *pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.   
+ * @param[in]       *pScratch2 points to scratch buffer of size min(srcALen, srcBLen).   
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].    
+ *    
+ * See arm_conv_partial_q15() for a slower implementation of this function which uses a 64-bit accumulator to avoid wrap around distortion.    
+ *    
+ * \par Restrictions    
+ *  If the silicon does not support unaligned memory access enable the macro UNALIGNED_SUPPORT_DISABLE    
+ *	In this case input, output, scratch1 and scratch2 buffers should be aligned by 32-bit    
+ *     
+ */
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+arm_status arm_conv_partial_fast_opt_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints,
+  q15_t * pScratch1,
+  q15_t * pScratch2)
+{
+
+  q15_t *pOut = pDst;                            /* output pointer */
+  q15_t *pScr1 = pScratch1;                      /* Temporary pointer for scratch1 */
+  q15_t *pScr2 = pScratch2;                      /* Temporary pointer for scratch1 */
+  q31_t acc0, acc1, acc2, acc3;                  /* Accumulator */
+  q31_t x1, x2, x3;                              /* Temporary variables to hold state and coefficient values */
+  q31_t y1, y2;                                  /* State variables */
+  q15_t *pIn1;                                   /* inputA pointer */
+  q15_t *pIn2;                                   /* inputB pointer */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  uint32_t j, k, blkCnt;                         /* loop counter */
+  arm_status status;
+
+  uint32_t tapCnt;                               /* loop count */
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_MATH_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+
+    /* The algorithm implementation is based on the lengths of the inputs. */
+    /* srcB is always made to slide across srcA. */
+    /* So srcBLen is always considered as shorter or equal to srcALen */
+    if(srcALen >= srcBLen)
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcA;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcB;
+    }
+    else
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcB;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcA;
+
+      /* srcBLen is always considered as shorter or equal to srcALen */
+      j = srcBLen;
+      srcBLen = srcALen;
+      srcALen = j;
+    }
+
+    /* Temporary pointer for scratch2 */
+    py = pScratch2;
+
+    /* pointer to take end of scratch2 buffer */
+    pScr2 = pScratch2 + srcBLen - 1;
+
+    /* points to smaller length sequence */
+    px = pIn2;
+
+    /* Apply loop unrolling and do 4 Copies simultaneously. */
+    k = srcBLen >> 2u;
+
+    /* First part of the processing with loop unrolling copies 4 data points at a time.       
+     ** a second loop below copies for the remaining 1 to 3 samples. */
+
+    /* Copy smaller length input sequence in reverse order into second scratch buffer */
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner */
+      *pScr2-- = *px++;
+      *pScr2-- = *px++;
+      *pScr2-- = *px++;
+      *pScr2-- = *px++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, copy remaining samples here.       
+     ** No loop unrolling is used. */
+    k = srcBLen % 0x4u;
+
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner for remaining samples */
+      *pScr2-- = *px++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Initialze temporary scratch pointer */
+    pScr1 = pScratch1;
+
+    /* Assuming scratch1 buffer is aligned by 32-bit */
+    /* Fill (srcBLen - 1u) zeros in scratch buffer */
+    arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+    /* Update temporary scratch pointer */
+    pScr1 += (srcBLen - 1u);
+
+    /* Copy bigger length sequence(srcALen) samples in scratch1 buffer */
+
+    /* Copy (srcALen) samples in scratch buffer */
+    arm_copy_q15(pIn1, pScr1, srcALen);
+
+    /* Update pointers */
+    pScr1 += srcALen;
+
+    /* Fill (srcBLen - 1u) zeros at end of scratch buffer */
+    arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+    /* Update pointer */
+    pScr1 += (srcBLen - 1u);
+
+    /* Initialization of pIn2 pointer */
+    pIn2 = py;
+
+    pScratch1 += firstIndex;
+
+    pOut = pDst + firstIndex;
+
+    /* First part of the processing with loop unrolling process 4 data points at a time.       
+     ** a second loop below process for the remaining 1 to 3 samples. */
+
+    /* Actual convolution process starts here */
+    blkCnt = (numPoints) >> 2;
+
+    while(blkCnt > 0)
+    {
+      /* Initialze temporary scratch pointer as scratch1 */
+      pScr1 = pScratch1;
+
+      /* Clear Accumlators */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+      /* Read two samples from scratch1 buffer */
+      x1 = *__SIMD32(pScr1)++;
+
+      /* Read next two samples from scratch1 buffer */
+      x2 = *__SIMD32(pScr1)++;
+
+      tapCnt = (srcBLen) >> 2u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read four samples from smaller buffer */
+        y1 = _SIMD32_OFFSET(pIn2);
+        y2 = _SIMD32_OFFSET(pIn2 + 2u);
+
+        /* multiply and accumlate */
+        acc0 = __SMLAD(x1, y1, acc0);
+        acc2 = __SMLAD(x2, y1, acc2);
+
+        /* pack input data */
+#ifndef ARM_MATH_BIG_ENDIAN
+        x3 = __PKHBT(x2, x1, 0);
+#else
+        x3 = __PKHBT(x1, x2, 0);
+#endif
+
+        /* multiply and accumlate */
+        acc1 = __SMLADX(x3, y1, acc1);
+
+        /* Read next two samples from scratch1 buffer */
+        x1 = _SIMD32_OFFSET(pScr1);
+
+        /* multiply and accumlate */
+        acc0 = __SMLAD(x2, y2, acc0);
+
+        acc2 = __SMLAD(x1, y2, acc2);
+
+        /* pack input data */
+#ifndef ARM_MATH_BIG_ENDIAN
+        x3 = __PKHBT(x1, x2, 0);
+#else
+        x3 = __PKHBT(x2, x1, 0);
+#endif
+
+        acc3 = __SMLADX(x3, y1, acc3);
+        acc1 = __SMLADX(x3, y2, acc1);
+
+        x2 = _SIMD32_OFFSET(pScr1 + 2u);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+        x3 = __PKHBT(x2, x1, 0);
+#else
+        x3 = __PKHBT(x1, x2, 0);
+#endif
+
+        acc3 = __SMLADX(x3, y2, acc3);
+
+        /* update scratch pointers */
+        pIn2 += 4u;
+        pScr1 += 4u;
+
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* Update scratch pointer for remaining samples of smaller length sequence */
+      pScr1 -= 4u;
+
+      /* apply same above for remaining samples of smaller length sequence */
+      tapCnt = (srcBLen) & 3u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* accumlate the results */
+        acc0 += (*pScr1++ * *pIn2);
+        acc1 += (*pScr1++ * *pIn2);
+        acc2 += (*pScr1++ * *pIn2);
+        acc3 += (*pScr1++ * *pIn2++);
+
+        pScr1 -= 3u;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      blkCnt--;
+
+
+      /* Store the results in the accumulators in the destination buffer. */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc0 >> 15), 16), __SSAT((acc1 >> 15), 16), 16);
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc2 >> 15), 16), __SSAT((acc3 >> 15), 16), 16);
+
+#else
+
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc1 >> 15), 16), __SSAT((acc0 >> 15), 16), 16);
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc3 >> 15), 16), __SSAT((acc2 >> 15), 16), 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+      /* Initialization of inputB pointer */
+      pIn2 = py;
+
+      pScratch1 += 4u;
+
+    }
+
+
+    blkCnt = numPoints & 0x3;
+
+    /* Calculate convolution for remaining samples of Bigger length sequence */
+    while(blkCnt > 0)
+    {
+      /* Initialze temporary scratch pointer as scratch1 */
+      pScr1 = pScratch1;
+
+      /* Clear Accumlators */
+      acc0 = 0;
+
+      tapCnt = (srcBLen) >> 1u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read next two samples from scratch1 buffer */
+        x1 = *__SIMD32(pScr1)++;
+
+        /* Read two samples from smaller buffer */
+        y1 = *__SIMD32(pIn2)++;
+
+        acc0 = __SMLAD(x1, y1, acc0);
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      tapCnt = (srcBLen) & 1u;
+
+      /* apply same above for remaining samples of smaller length sequence */
+      while(tapCnt > 0u)
+      {
+
+        /* accumlate the results */
+        acc0 += (*pScr1++ * *pIn2++);
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      blkCnt--;
+
+      /* The result is in 2.30 format.  Convert to 1.15 with saturation.       
+       ** Then store the output in the destination buffer. */
+      *pOut++ = (q15_t) (__SSAT((acc0 >> 15), 16));
+
+      /* Initialization of inputB pointer */
+      pIn2 = py;
+
+      pScratch1 += 1u;
+
+    }
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+  /* Return to application */
+  return (status);
+}
+
+#else
+
+arm_status arm_conv_partial_fast_opt_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints,
+  q15_t * pScratch1,
+  q15_t * pScratch2)
+{
+
+  q15_t *pOut = pDst;                            /* output pointer */
+  q15_t *pScr1 = pScratch1;                      /* Temporary pointer for scratch1 */
+  q15_t *pScr2 = pScratch2;                      /* Temporary pointer for scratch1 */
+  q31_t acc0, acc1, acc2, acc3;                  /* Accumulator */
+  q15_t *pIn1;                                   /* inputA pointer */
+  q15_t *pIn2;                                   /* inputB pointer */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  uint32_t j, k, blkCnt;                         /* loop counter */
+  arm_status status;                             /* Status variable */
+  uint32_t tapCnt;                               /* loop count */
+  q15_t x10, x11, x20, x21;                      /* Temporary variables to hold srcA buffer */
+  q15_t y10, y11;                                /* Temporary variables to hold srcB buffer */
+
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_MATH_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+
+    /* The algorithm implementation is based on the lengths of the inputs. */
+    /* srcB is always made to slide across srcA. */
+    /* So srcBLen is always considered as shorter or equal to srcALen */
+    if(srcALen >= srcBLen)
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcA;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcB;
+    }
+    else
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcB;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcA;
+
+      /* srcBLen is always considered as shorter or equal to srcALen */
+      j = srcBLen;
+      srcBLen = srcALen;
+      srcALen = j;
+    }
+
+    /* Temporary pointer for scratch2 */
+    py = pScratch2;
+
+    /* pointer to take end of scratch2 buffer */
+    pScr2 = pScratch2 + srcBLen - 1;
+
+    /* points to smaller length sequence */
+    px = pIn2;
+
+    /* Apply loop unrolling and do 4 Copies simultaneously. */
+    k = srcBLen >> 2u;
+
+    /* First part of the processing with loop unrolling copies 4 data points at a time.       
+     ** a second loop below copies for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner */
+      *pScr2-- = *px++;
+      *pScr2-- = *px++;
+      *pScr2-- = *px++;
+      *pScr2-- = *px++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, copy remaining samples here.       
+     ** No loop unrolling is used. */
+    k = srcBLen % 0x4u;
+
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner for remaining samples */
+      *pScr2-- = *px++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Initialze temporary scratch pointer */
+    pScr1 = pScratch1;
+
+    /* Fill (srcBLen - 1u) zeros in scratch buffer */
+    arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+    /* Update temporary scratch pointer */
+    pScr1 += (srcBLen - 1u);
+
+    /* Copy bigger length sequence(srcALen) samples in scratch1 buffer */
+
+
+    /* Apply loop unrolling and do 4 Copies simultaneously. */
+    k = srcALen >> 2u;
+
+    /* First part of the processing with loop unrolling copies 4 data points at a time.       
+     ** a second loop below copies for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner */
+      *pScr1++ = *pIn1++;
+      *pScr1++ = *pIn1++;
+      *pScr1++ = *pIn1++;
+      *pScr1++ = *pIn1++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, copy remaining samples here.       
+     ** No loop unrolling is used. */
+    k = srcALen % 0x4u;
+
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner for remaining samples */
+      *pScr1++ = *pIn1++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+
+    /* Apply loop unrolling and do 4 Copies simultaneously. */
+    k = (srcBLen - 1u) >> 2u;
+
+    /* First part of the processing with loop unrolling copies 4 data points at a time.       
+     ** a second loop below copies for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner */
+      *pScr1++ = 0;
+      *pScr1++ = 0;
+      *pScr1++ = 0;
+      *pScr1++ = 0;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, copy remaining samples here.       
+     ** No loop unrolling is used. */
+    k = (srcBLen - 1u) % 0x4u;
+
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner for remaining samples */
+      *pScr1++ = 0;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+
+    /* Initialization of pIn2 pointer */
+    pIn2 = py;
+
+    pScratch1 += firstIndex;
+
+    pOut = pDst + firstIndex;
+
+    /* Actual convolution process starts here */
+    blkCnt = (numPoints) >> 2;
+
+    while(blkCnt > 0)
+    {
+      /* Initialze temporary scratch pointer as scratch1 */
+      pScr1 = pScratch1;
+
+      /* Clear Accumlators */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+      /* Read two samples from scratch1 buffer */
+      x10 = *pScr1++;
+      x11 = *pScr1++;
+
+      /* Read next two samples from scratch1 buffer */
+      x20 = *pScr1++;
+      x21 = *pScr1++;
+
+      tapCnt = (srcBLen) >> 2u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read two samples from smaller buffer */
+        y10 = *pIn2;
+        y11 = *(pIn2 + 1u);
+
+        /* multiply and accumlate */
+        acc0 += (q31_t) x10 *y10;
+        acc0 += (q31_t) x11 *y11;
+        acc2 += (q31_t) x20 *y10;
+        acc2 += (q31_t) x21 *y11;
+
+        /* multiply and accumlate */
+        acc1 += (q31_t) x11 *y10;
+        acc1 += (q31_t) x20 *y11;
+
+        /* Read next two samples from scratch1 buffer */
+        x10 = *pScr1;
+        x11 = *(pScr1 + 1u);
+
+        /* multiply and accumlate */
+        acc3 += (q31_t) x21 *y10;
+        acc3 += (q31_t) x10 *y11;
+
+        /* Read next two samples from scratch2 buffer */
+        y10 = *(pIn2 + 2u);
+        y11 = *(pIn2 + 3u);
+
+        /* multiply and accumlate */
+        acc0 += (q31_t) x20 *y10;
+        acc0 += (q31_t) x21 *y11;
+        acc2 += (q31_t) x10 *y10;
+        acc2 += (q31_t) x11 *y11;
+        acc1 += (q31_t) x21 *y10;
+        acc1 += (q31_t) x10 *y11;
+
+        /* Read next two samples from scratch1 buffer */
+        x20 = *(pScr1 + 2);
+        x21 = *(pScr1 + 3);
+
+        /* multiply and accumlate */
+        acc3 += (q31_t) x11 *y10;
+        acc3 += (q31_t) x20 *y11;
+
+        /* update scratch pointers */
+        pIn2 += 4u;
+        pScr1 += 4u;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* Update scratch pointer for remaining samples of smaller length sequence */
+      pScr1 -= 4u;
+
+      /* apply same above for remaining samples of smaller length sequence */
+      tapCnt = (srcBLen) & 3u;
+
+      while(tapCnt > 0u)
+      {
+        /* accumlate the results */
+        acc0 += (*pScr1++ * *pIn2);
+        acc1 += (*pScr1++ * *pIn2);
+        acc2 += (*pScr1++ * *pIn2);
+        acc3 += (*pScr1++ * *pIn2++);
+
+        pScr1 -= 3u;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      blkCnt--;
+
+
+      /* Store the results in the accumulators in the destination buffer. */
+      *pOut++ = __SSAT((acc0 >> 15), 16);
+      *pOut++ = __SSAT((acc1 >> 15), 16);
+      *pOut++ = __SSAT((acc2 >> 15), 16);
+      *pOut++ = __SSAT((acc3 >> 15), 16);
+
+      /* Initialization of inputB pointer */
+      pIn2 = py;
+
+      pScratch1 += 4u;
+
+    }
+
+
+    blkCnt = numPoints & 0x3;
+
+    /* Calculate convolution for remaining samples of Bigger length sequence */
+    while(blkCnt > 0)
+    {
+      /* Initialze temporary scratch pointer as scratch1 */
+      pScr1 = pScratch1;
+
+      /* Clear Accumlators */
+      acc0 = 0;
+
+      tapCnt = (srcBLen) >> 1u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read next two samples from scratch1 buffer */
+        x10 = *pScr1++;
+        x11 = *pScr1++;
+
+        /* Read two samples from smaller buffer */
+        y10 = *pIn2++;
+        y11 = *pIn2++;
+
+        /* multiply and accumlate */
+        acc0 += (q31_t) x10 *y10;
+        acc0 += (q31_t) x11 *y11;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      tapCnt = (srcBLen) & 1u;
+
+      /* apply same above for remaining samples of smaller length sequence */
+      while(tapCnt > 0u)
+      {
+
+        /* accumlate the results */
+        acc0 += (*pScr1++ * *pIn2++);
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      blkCnt--;
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (__SSAT((acc0 >> 15), 16));
+
+      /* Initialization of inputB pointer */
+      pIn2 = py;
+
+      pScratch1 += 1u;
+
+    }
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+/**    
+ * @} end of PartialConv group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_fast_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_fast_q15.c
new file mode 100644
index 0000000000..5d6eb6f49f
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_fast_q15.c
@@ -0,0 +1,1473 @@
+/* ----------------------------------------------------------------------   
+* Copyright (C) 2010 ARM Limited. All rights reserved.   
+*   
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*   
+* Project: 	    CMSIS DSP Library   
+* Title:		arm_conv_partial_fast_q15.c   
+*   
+* Description:	Fast Q15 Partial convolution.   
+*   
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+* 
+* Version 1.0.11 2011/10/18 
+*    Bug Fix in conv, correlation, partial convolution. 
+*
+* Version 1.0.10 2011/7/15 
+*    Big Endian support added and Merged M0 and M3/M4 Source code.  
+*   
+* Version 1.0.3 2010/11/29  
+*    Re-organized the CMSIS folders and updated documentation.   
+*    
+* Version 1.0.2 2010/11/11   
+*    Documentation updated.    
+*   
+* Version 1.0.1 2010/10/05    
+*    Production release and review comments incorporated.   
+*   
+* Version 1.0.0 2010/09/20    
+*    Production release and review comments incorporated.   
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**   
+ * @ingroup groupFilters   
+ */
+
+/**   
+ * @addtogroup PartialConv   
+ * @{   
+ */
+
+/**   
+ * @brief Partial convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.   
+ * @param[in]       *pSrcA points to the first input sequence.   
+ * @param[in]       srcALen length of the first input sequence.   
+ * @param[in]       *pSrcB points to the second input sequence.   
+ * @param[in]       srcBLen length of the second input sequence.   
+ * @param[out]      *pDst points to the location where the output result is written.   
+ * @param[in]       firstIndex is the first output sample to start with.   
+ * @param[in]       numPoints is the number of output points to be computed.   
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].   
+ *   
+ * See arm_conv_partial_q15() for a slower implementation of this function which uses a 64-bit accumulator to avoid wrap around distortion.   
+ */
+
+
+arm_status arm_conv_partial_fast_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints)
+{
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  q15_t *pIn1;                                   /* inputA pointer               */
+  q15_t *pIn2;                                   /* inputB pointer               */
+  q15_t *pOut = pDst;                            /* output pointer               */
+  q31_t sum, acc0, acc1, acc2, acc3;             /* Accumulator                  */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  q15_t *pSrc1, *pSrc2;                          /* Intermediate pointers        */
+  q31_t x0, x1, x2, x3, c0;
+  uint32_t j, k, count, check, blkCnt;
+  int32_t blockSize1, blockSize2, blockSize3;    /* loop counters                 */
+  arm_status status;                             /* status of Partial convolution */
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_MATH_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+
+    /* The algorithm implementation is based on the lengths of the inputs. */
+    /* srcB is always made to slide across srcA. */
+    /* So srcBLen is always considered as shorter or equal to srcALen */
+    if(srcALen >=srcBLen)
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcA;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcB;
+    }
+    else
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcB;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcA;
+
+      /* srcBLen is always considered as shorter or equal to srcALen */
+      j = srcBLen;
+      srcBLen = srcALen;
+      srcALen = j;
+    }
+
+    /* Conditions to check which loopCounter holds   
+     * the first and last indices of the output samples to be calculated. */
+    check = firstIndex + numPoints;
+    blockSize3 = ((int32_t) check - (int32_t) srcALen);
+    blockSize3 = (blockSize3 > 0) ? blockSize3 : 0;
+    blockSize1 = (((int32_t) srcBLen - 1) - (int32_t) firstIndex);
+    blockSize1 = (blockSize1 > 0) ? ((check > (srcBLen - 1u)) ? blockSize1 :
+                                     (int32_t) numPoints) : 0;
+    blockSize2 = (int32_t) check - ((blockSize3 + blockSize1) +
+                                    (int32_t) firstIndex);
+    blockSize2 = (blockSize2 > 0) ? blockSize2 : 0;
+
+    /* conv(x,y) at n = x[n] * y[0] + x[n-1] * y[1] + x[n-2] * y[2] + ...+ x[n-N+1] * y[N -1] */
+    /* The function is internally   
+     * divided into three stages according to the number of multiplications that has to be   
+     * taken place between inputA samples and inputB samples. In the first stage of the   
+     * algorithm, the multiplications increase by one for every iteration.   
+     * In the second stage of the algorithm, srcBLen number of multiplications are done.   
+     * In the third stage of the algorithm, the multiplications decrease by one   
+     * for every iteration. */
+
+    /* Set the output pointer to point to the firstIndex   
+     * of the output sample to be calculated. */
+    pOut = pDst + firstIndex;
+
+    /* --------------------------   
+     * Initializations of stage1   
+     * -------------------------*/
+
+    /* sum = x[0] * y[0]   
+     * sum = x[0] * y[1] + x[1] * y[0]   
+     * ....   
+     * sum = x[0] * y[srcBlen - 1] + x[1] * y[srcBlen - 2] +...+ x[srcBLen - 1] * y[0]   
+     */
+
+    /* In this stage the MAC operations are increased by 1 for every iteration.   
+       The count variable holds the number of MAC operations performed.   
+       Since the partial convolution starts from firstIndex   
+       Number of Macs to be performed is firstIndex + 1 */
+    count = 1u + firstIndex;
+
+    /* Working pointer of inputA */
+    px = pIn1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + firstIndex;
+    py = pSrc2;
+
+    /* ------------------------   
+     * Stage1 process   
+     * ----------------------*/
+
+    /* For loop unrolling by 4, this stage is divided into two. */
+    /* First part of this stage computes the MAC operations less than 4 */
+    /* Second part of this stage computes the MAC operations greater than or equal to 4 */
+
+    /* The first part of the stage starts here */
+    while((count < 4u) && (blockSize1 > 0))
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Loop over number of MAC operations between   
+       * inputA samples and inputB samples */
+      k = count;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum = __SMLAD(*px++, *py--, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (sum >> 15);
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      py = ++pSrc2;
+      px = pIn1;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Decrement the loop counter */
+      blockSize1--;
+    }
+
+    /* The second part of the stage starts here */
+    /* The internal loop, over count, is unrolled by 4 */
+    /* To, read the last two inputB samples using SIMD:   
+     * y[srcBLen] and y[srcBLen-1] coefficients, py is decremented by 1 */
+    py = py - 1;
+
+    while(blockSize1 > 0)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        /* x[0], x[1] are multiplied with y[srcBLen - 1], y[srcBLen - 2] respectively */
+        sum = __SMLADX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+        /* x[2], x[3] are multiplied with y[srcBLen - 3], y[srcBLen - 4] respectively */
+        sum = __SMLADX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* For the next MAC operations, the pointer py is used without SIMD   
+       * So, py is incremented by 1 */
+      py = py + 1u;
+
+      /* If the count is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = count % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum = __SMLAD(*px++, *py--, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (sum >> 15);
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      py = ++pSrc2 - 1u;
+      px = pIn1;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Decrement the loop counter */
+      blockSize1--;
+    }
+
+    /* --------------------------   
+     * Initializations of stage2   
+     * ------------------------*/
+
+    /* sum = x[0] * y[srcBLen-1] + x[1] * y[srcBLen-2] +...+ x[srcBLen-1] * y[0]   
+     * sum = x[1] * y[srcBLen-1] + x[2] * y[srcBLen-2] +...+ x[srcBLen] * y[0]   
+     * ....   
+     * sum = x[srcALen-srcBLen-2] * y[srcBLen-1] + x[srcALen] * y[srcBLen-2] +...+ x[srcALen-1] * y[0]   
+     */
+
+    /* Working pointer of inputA */
+    px = pIn1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + (srcBLen - 1u);
+    py = pSrc2;
+
+    /* count is the index by which the pointer pIn1 to be incremented */
+    count = 0u;
+
+
+    /* --------------------   
+     * Stage2 process   
+     * -------------------*/
+
+    /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.   
+     * So, to loop unroll over blockSize2,   
+     * srcBLen should be greater than or equal to 4 */
+    if(srcBLen >= 4u)
+    {
+      /* Loop unroll over blockSize2, by 4 */
+      blkCnt = ((uint32_t) blockSize2 >> 2u);
+
+      while(blkCnt > 0u)
+      {
+      py = py - 1u;
+
+        /* Set all accumulators to zero */
+        acc0 = 0;
+        acc1 = 0;
+        acc2 = 0;
+        acc3 = 0;
+
+
+        /* read x[0], x[1] samples */
+      x0 = *__SIMD32(px);
+        /* read x[1], x[2] samples */
+      x1 = _SIMD32_OFFSET(px+1);
+	  px+= 2u;
+
+
+        /* Apply loop unrolling and compute 4 MACs simultaneously. */
+        k = srcBLen >> 2u;
+
+        /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+         ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+        do
+        {
+          /* Read the last two inputB samples using SIMD:   
+           * y[srcBLen - 1] and y[srcBLen - 2] */
+        c0 = *__SIMD32(py)--;
+
+          /* acc0 +=  x[0] * y[srcBLen - 1] + x[1] * y[srcBLen - 2] */
+          acc0 = __SMLADX(x0, c0, acc0);
+
+          /* acc1 +=  x[1] * y[srcBLen - 1] + x[2] * y[srcBLen - 2] */
+          acc1 = __SMLADX(x1, c0, acc1);
+
+          /* Read x[2], x[3] */
+        x2 = *__SIMD32(px);
+
+          /* Read x[3], x[4] */
+        x3 = _SIMD32_OFFSET(px+1);
+
+          /* acc2 +=  x[2] * y[srcBLen - 1] + x[3] * y[srcBLen - 2] */
+          acc2 = __SMLADX(x2, c0, acc2);
+
+          /* acc3 +=  x[3] * y[srcBLen - 1] + x[4] * y[srcBLen - 2] */
+          acc3 = __SMLADX(x3, c0, acc3);
+
+          /* Read y[srcBLen - 3] and y[srcBLen - 4] */
+        c0 = *__SIMD32(py)--;
+
+          /* acc0 +=  x[2] * y[srcBLen - 3] + x[3] * y[srcBLen - 4] */
+          acc0 = __SMLADX(x2, c0, acc0);
+
+          /* acc1 +=  x[3] * y[srcBLen - 3] + x[4] * y[srcBLen - 4] */
+          acc1 = __SMLADX(x3, c0, acc1);
+
+          /* Read x[4], x[5] */
+        x0 = _SIMD32_OFFSET(px+2);
+
+          /* Read x[5], x[6] */
+        x1 = _SIMD32_OFFSET(px+3);
+		px += 4u;
+
+          /* acc2 +=  x[4] * y[srcBLen - 3] + x[5] * y[srcBLen - 4] */
+          acc2 = __SMLADX(x0, c0, acc2);
+
+          /* acc3 +=  x[5] * y[srcBLen - 3] + x[6] * y[srcBLen - 4] */
+          acc3 = __SMLADX(x1, c0, acc3);
+
+        } while(--k);
+
+        /* For the next MAC operations, SIMD is not used   
+         * So, the 16 bit pointer if inputB, py is updated */
+
+        /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+         ** No loop unrolling is used. */
+        k = srcBLen % 0x4u;
+
+        if(k == 1u)
+        {
+          /* Read y[srcBLen - 5] */
+        c0 = *(py+1);
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+
+#else
+
+        c0 = c0 & 0x0000FFFF;
+
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+
+          /* Read x[7] */
+        x3 = *__SIMD32(px);
+		px++;
+
+          /* Perform the multiply-accumulates */
+          acc0 = __SMLAD(x0, c0, acc0);
+          acc1 = __SMLAD(x1, c0, acc1);
+          acc2 = __SMLADX(x1, c0, acc2);
+          acc3 = __SMLADX(x3, c0, acc3);
+        }
+
+        if(k == 2u)
+        {
+          /* Read y[srcBLen - 5], y[srcBLen - 6] */
+        c0 = _SIMD32_OFFSET(py);
+
+          /* Read x[7], x[8] */
+        x3 = *__SIMD32(px);
+
+        /* Read x[9] */
+        x2 = _SIMD32_OFFSET(px+1);
+		px += 2u;
+
+          /* Perform the multiply-accumulates */
+          acc0 = __SMLADX(x0, c0, acc0);
+          acc1 = __SMLADX(x1, c0, acc1);
+          acc2 = __SMLADX(x3, c0, acc2);
+          acc3 = __SMLADX(x2, c0, acc3);
+        }
+
+        if(k == 3u)
+        {
+          /* Read y[srcBLen - 5], y[srcBLen - 6] */
+        c0 = _SIMD32_OFFSET(py);
+
+          /* Read x[7], x[8] */
+        x3 = *__SIMD32(px);
+
+          /* Read x[9] */
+        x2 = _SIMD32_OFFSET(px+1);
+
+          /* Perform the multiply-accumulates */
+          acc0 = __SMLADX(x0, c0, acc0);
+          acc1 = __SMLADX(x1, c0, acc1);
+          acc2 = __SMLADX(x3, c0, acc2);
+          acc3 = __SMLADX(x2, c0, acc3);
+
+		c0 = *(py-1);
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+#else
+
+        c0 = c0 & 0x0000FFFF;
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+
+          /* Read x[10] */
+        x3 =  _SIMD32_OFFSET(px+2);
+		px += 3u;
+
+          /* Perform the multiply-accumulates */
+          acc0 = __SMLADX(x1, c0, acc0);
+          acc1 = __SMLAD(x2, c0, acc1);
+          acc2 = __SMLADX(x2, c0, acc2);
+          acc3 = __SMLADX(x3, c0, acc3);
+        }
+
+        /* Store the results in the accumulators in the destination buffer. */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        *__SIMD32(pOut)++ = __PKHBT(acc0 >> 15, acc1 >> 15, 16);
+        *__SIMD32(pOut)++ = __PKHBT(acc2 >> 15, acc3 >> 15, 16);
+
+#else
+
+        *__SIMD32(pOut)++ = __PKHBT(acc1 >> 15, acc0 >> 15, 16);
+        *__SIMD32(pOut)++ = __PKHBT(acc3 >> 15, acc2 >> 15, 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+        /* Increment the pointer pIn1 index, count by 4 */
+        count += 4u;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+
+      /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.   
+       ** No loop unrolling is used. */
+      blkCnt = (uint32_t) blockSize2 % 0x4u;
+
+      while(blkCnt > 0u)
+      {
+        /* Accumulator is made zero for every iteration */
+        sum = 0;
+
+        /* Apply loop unrolling and compute 4 MACs simultaneously. */
+        k = srcBLen >> 2u;
+
+        /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+         ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulates */
+          sum += ((q31_t) * px++ * *py--);
+          sum += ((q31_t) * px++ * *py--);
+          sum += ((q31_t) * px++ * *py--);
+          sum += ((q31_t) * px++ * *py--);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+         ** No loop unrolling is used. */
+        k = srcBLen % 0x4u;
+
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulates */
+          sum += ((q31_t) * px++ * *py--);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = (q15_t) (sum >> 15);
+
+        /* Increment the pointer pIn1 index, count by 1 */
+        count++;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+    }
+    else
+    {
+      /* If the srcBLen is not a multiple of 4,   
+       * the blockSize2 loop cannot be unrolled by 4 */
+      blkCnt = (uint32_t) blockSize2;
+
+      while(blkCnt > 0u)
+      {
+        /* Accumulator is made zero for every iteration */
+        sum = 0;
+
+        /* srcBLen number of MACS should be performed */
+        k = srcBLen;
+
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulate */
+          sum += ((q31_t) * px++ * *py--);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = (q15_t) (sum >> 15);
+
+        /* Increment the MAC count */
+        count++;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+    }
+
+
+    /* --------------------------   
+     * Initializations of stage3   
+     * -------------------------*/
+
+    /* sum += x[srcALen-srcBLen+1] * y[srcBLen-1] + x[srcALen-srcBLen+2] * y[srcBLen-2] +...+ x[srcALen-1] * y[1]   
+     * sum += x[srcALen-srcBLen+2] * y[srcBLen-1] + x[srcALen-srcBLen+3] * y[srcBLen-2] +...+ x[srcALen-1] * y[2]   
+     * ....   
+     * sum +=  x[srcALen-2] * y[srcBLen-1] + x[srcALen-1] * y[srcBLen-2]   
+     * sum +=  x[srcALen-1] * y[srcBLen-1]   
+     */
+
+    /* In this stage the MAC operations are decreased by 1 for every iteration.   
+       The count variable holds the number of MAC operations performed */
+    count = srcBLen - 1u;
+
+    /* Working pointer of inputA */
+    pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+    px = pSrc1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + (srcBLen - 1u);
+    pIn2 = pSrc2 - 1u;
+    py = pIn2;
+
+    /* -------------------   
+     * Stage3 process   
+     * ------------------*/
+
+    /* For loop unrolling by 4, this stage is divided into two. */
+    /* First part of this stage computes the MAC operations greater than 4 */
+    /* Second part of this stage computes the MAC operations less than or equal to 4 */
+
+    /* The first part of the stage starts here */
+    j = count >> 2u;
+
+    while((j > 0u) && (blockSize3 > 0))
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* x[srcALen - srcBLen + 1], x[srcALen - srcBLen + 2] are multiplied   
+         * with y[srcBLen - 1], y[srcBLen - 2] respectively */
+        sum = __SMLADX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+        /* x[srcALen - srcBLen + 3], x[srcALen - srcBLen + 4] are multiplied   
+         * with y[srcBLen - 3], y[srcBLen - 4] respectively */
+        sum = __SMLADX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* For the next MAC operations, the pointer py is used without SIMD   
+       * So, py is incremented by 1 */
+      py = py + 1u;
+
+      /* If the count is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = count % 0x4u;
+
+      while(k > 0u)
+      {
+        /* sum += x[srcALen - srcBLen + 5] * y[srcBLen - 5] */
+        sum = __SMLAD(*px++, *py--, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (sum >> 15);
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = ++pSrc1;
+      py = pIn2;
+
+      /* Decrement the MAC count */
+      count--;
+
+      /* Decrement the loop counter */
+      blockSize3--;
+
+      j--;
+    }
+
+    /* The second part of the stage starts here */
+    /* SIMD is not used for the next MAC operations,   
+     * so pointer py is updated to read only one sample at a time */
+    py = py + 1u;
+
+    while(blockSize3 > 0)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        /* sum +=  x[srcALen-1] * y[srcBLen-1] */
+        sum = __SMLAD(*px++, *py--, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (sum >> 15);
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = ++pSrc1;
+      py = pSrc2;
+
+      /* Decrement the MAC count */
+      count--;
+
+      /* Decrement the loop counter */
+      blockSize3--;
+    }
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+
+#else
+
+  q15_t *pIn1;                                   /* inputA pointer               */
+  q15_t *pIn2;                                   /* inputB pointer               */
+  q15_t *pOut = pDst;                            /* output pointer               */
+  q31_t sum, acc0, acc1, acc2, acc3;             /* Accumulator                  */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  q15_t *pSrc1, *pSrc2;                          /* Intermediate pointers        */
+  q31_t x0, x1, x2, x3, c0;
+  uint32_t j, k, count, check, blkCnt;
+  int32_t blockSize1, blockSize2, blockSize3;    /* loop counters                 */
+  arm_status status;                             /* status of Partial convolution */
+  q15_t a, b;
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_MATH_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+
+    /* The algorithm implementation is based on the lengths of the inputs. */
+    /* srcB is always made to slide across srcA. */
+    /* So srcBLen is always considered as shorter or equal to srcALen */
+    if(srcALen >=srcBLen)
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcA;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcB;
+    }
+    else
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcB;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcA;
+
+      /* srcBLen is always considered as shorter or equal to srcALen */
+      j = srcBLen;
+      srcBLen = srcALen;
+      srcALen = j;
+    }
+
+    /* Conditions to check which loopCounter holds   
+     * the first and last indices of the output samples to be calculated. */
+    check = firstIndex + numPoints;
+    blockSize3 = ((int32_t) check - (int32_t) srcALen);
+    blockSize3 = (blockSize3 > 0) ? blockSize3 : 0;
+    blockSize1 = (((int32_t) srcBLen - 1) - (int32_t) firstIndex);
+    blockSize1 = (blockSize1 > 0) ? ((check > (srcBLen - 1u)) ? blockSize1 :
+                                     (int32_t) numPoints) : 0;
+    blockSize2 = (int32_t) check - ((blockSize3 + blockSize1) +
+                                    (int32_t) firstIndex);
+    blockSize2 = (blockSize2 > 0) ? blockSize2 : 0;
+
+    /* conv(x,y) at n = x[n] * y[0] + x[n-1] * y[1] + x[n-2] * y[2] + ...+ x[n-N+1] * y[N -1] */
+    /* The function is internally   
+     * divided into three stages according to the number of multiplications that has to be   
+     * taken place between inputA samples and inputB samples. In the first stage of the   
+     * algorithm, the multiplications increase by one for every iteration.   
+     * In the second stage of the algorithm, srcBLen number of multiplications are done.   
+     * In the third stage of the algorithm, the multiplications decrease by one   
+     * for every iteration. */
+
+    /* Set the output pointer to point to the firstIndex   
+     * of the output sample to be calculated. */
+    pOut = pDst + firstIndex;
+
+    /* --------------------------   
+     * Initializations of stage1   
+     * -------------------------*/
+
+    /* sum = x[0] * y[0]   
+     * sum = x[0] * y[1] + x[1] * y[0]   
+     * ....   
+     * sum = x[0] * y[srcBlen - 1] + x[1] * y[srcBlen - 2] +...+ x[srcBLen - 1] * y[0]   
+     */
+
+    /* In this stage the MAC operations are increased by 1 for every iteration.   
+       The count variable holds the number of MAC operations performed.   
+       Since the partial convolution starts from firstIndex   
+       Number of Macs to be performed is firstIndex + 1 */
+    count = 1u + firstIndex;
+
+    /* Working pointer of inputA */
+    px = pIn1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + firstIndex;
+    py = pSrc2;
+
+    /* ------------------------   
+     * Stage1 process   
+     * ----------------------*/
+
+    /* For loop unrolling by 4, this stage is divided into two. */
+    /* First part of this stage computes the MAC operations less than 4 */
+    /* Second part of this stage computes the MAC operations greater than or equal to 4 */
+
+    /* The first part of the stage starts here */
+  while((count < 4u) && (blockSize1 > 0u))
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Loop over number of MAC operations between   
+       * inputA samples and inputB samples */
+      k = count;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+      sum += ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (sum >> 15);
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      py = ++pSrc2;
+      px = pIn1;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Decrement the loop counter */
+      blockSize1--;
+    }
+
+    /* The second part of the stage starts here */
+    /* The internal loop, over count, is unrolled by 4 */
+    /* To, read the last two inputB samples using SIMD:   
+     * y[srcBLen] and y[srcBLen-1] coefficients, py is decremented by 1 */
+    py = py - 1;
+
+  while(blockSize1 > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+	py++;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+      /* If the count is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = count % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+      sum += ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (sum >> 15);
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      py = ++pSrc2 - 1u;
+      px = pIn1;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Decrement the loop counter */
+      blockSize1--;
+    }
+
+    /* --------------------------   
+     * Initializations of stage2   
+     * ------------------------*/
+
+    /* sum = x[0] * y[srcBLen-1] + x[1] * y[srcBLen-2] +...+ x[srcBLen-1] * y[0]   
+     * sum = x[1] * y[srcBLen-1] + x[2] * y[srcBLen-2] +...+ x[srcBLen] * y[0]   
+     * ....   
+     * sum = x[srcALen-srcBLen-2] * y[srcBLen-1] + x[srcALen] * y[srcBLen-2] +...+ x[srcALen-1] * y[0]   
+     */
+
+    /* Working pointer of inputA */
+    px = pIn1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + (srcBLen - 1u);
+    py = pSrc2;
+
+    /* count is the index by which the pointer pIn1 to be incremented */
+    count = 0u;
+
+
+    /* --------------------   
+     * Stage2 process   
+     * -------------------*/
+
+    /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.   
+     * So, to loop unroll over blockSize2,   
+     * srcBLen should be greater than or equal to 4 */
+    if(srcBLen >= 4u)
+    {
+      /* Loop unroll over blockSize2, by 4 */
+      blkCnt = ((uint32_t) blockSize2 >> 2u);
+
+      while(blkCnt > 0u)
+      {
+      py = py - 1u;
+
+        /* Set all accumulators to zero */
+        acc0 = 0;
+        acc1 = 0;
+        acc2 = 0;
+        acc3 = 0;
+
+      /* read x[0], x[1] samples */
+	  a = *px++;
+	  b = *px++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+	  x0 = __PKHBT(a, b, 16);
+	  a = *px;
+	  x1 = __PKHBT(b, a, 16);
+
+#else
+
+	  x0 = __PKHBT(b, a, 16);
+	  a = *px;
+	  x1 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	   */
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      do
+      {
+        /* Read the last two inputB samples using SIMD:   
+         * y[srcBLen - 1] and y[srcBLen - 2] */
+		a = *py;
+		b = *(py+1);
+		py -= 2;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+		c0 = __PKHBT(a, b, 16);
+
+#else
+
+ 		c0 = __PKHBT(b, a, 16);;
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+        /* acc0 +=  x[0] * y[srcBLen - 1] + x[1] * y[srcBLen - 2] */
+        acc0 = __SMLADX(x0, c0, acc0);
+
+        /* acc1 +=  x[1] * y[srcBLen - 1] + x[2] * y[srcBLen - 2] */
+        acc1 = __SMLADX(x1, c0, acc1);
+
+	  a = *px;
+	  b = *(px + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+	  x2 = __PKHBT(a, b, 16);
+	  a = *(px + 2);
+	  x3 = __PKHBT(b, a, 16);
+
+#else
+
+	  x2 = __PKHBT(b, a, 16);
+	  a = *(px + 2);
+	  x3 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	   */
+
+        /* acc2 +=  x[2] * y[srcBLen - 1] + x[3] * y[srcBLen - 2] */
+        acc2 = __SMLADX(x2, c0, acc2);
+
+        /* acc3 +=  x[3] * y[srcBLen - 1] + x[4] * y[srcBLen - 2] */
+        acc3 = __SMLADX(x3, c0, acc3);
+
+        /* Read y[srcBLen - 3] and y[srcBLen - 4] */
+		a = *py;
+		b = *(py+1);
+		py -= 2;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+		c0 = __PKHBT(a, b, 16);
+
+#else
+
+ 		c0 = __PKHBT(b, a, 16);;
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+        /* acc0 +=  x[2] * y[srcBLen - 3] + x[3] * y[srcBLen - 4] */
+        acc0 = __SMLADX(x2, c0, acc0);
+
+        /* acc1 +=  x[3] * y[srcBLen - 3] + x[4] * y[srcBLen - 4] */
+        acc1 = __SMLADX(x3, c0, acc1);
+
+        /* Read x[4], x[5], x[6] */
+	  a = *(px + 2);
+	  b = *(px + 3);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+	  x0 = __PKHBT(a, b, 16);
+	  a = *(px + 4);
+	  x1 = __PKHBT(b, a, 16);
+
+#else
+
+	  x0 = __PKHBT(b, a, 16);
+	  a = *(px + 4);
+	  x1 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	   */
+
+		px += 4u;
+
+        /* acc2 +=  x[4] * y[srcBLen - 3] + x[5] * y[srcBLen - 4] */
+        acc2 = __SMLADX(x0, c0, acc2);
+
+        /* acc3 +=  x[5] * y[srcBLen - 3] + x[6] * y[srcBLen - 4] */
+        acc3 = __SMLADX(x1, c0, acc3);
+
+      } while(--k);
+
+      /* For the next MAC operations, SIMD is not used   
+       * So, the 16 bit pointer if inputB, py is updated */
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      if(k == 1u)
+      {
+        /* Read y[srcBLen - 5] */
+        c0 = *(py+1);
+
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+
+#else
+
+        c0 = c0 & 0x0000FFFF;
+
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+
+        /* Read x[7] */
+		a = *px;
+		b = *(px+1);
+		px++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+		x3 = __PKHBT(a, b, 16);
+
+#else
+
+ 		x3 = __PKHBT(b, a, 16);;
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLAD(x0, c0, acc0);
+        acc1 = __SMLAD(x1, c0, acc1);
+        acc2 = __SMLADX(x1, c0, acc2);
+        acc3 = __SMLADX(x3, c0, acc3);
+      }
+
+      if(k == 2u)
+      {
+        /* Read y[srcBLen - 5], y[srcBLen - 6] */
+		a = *py;
+		b = *(py+1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+		c0 = __PKHBT(a, b, 16);
+
+#else
+
+ 		c0 = __PKHBT(b, a, 16);;
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+        /* Read x[7], x[8], x[9] */
+	  a = *px;
+	  b = *(px + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+	  x3 = __PKHBT(a, b, 16);
+	  a = *(px + 2);
+	  x2 = __PKHBT(b, a, 16);
+
+#else
+
+	  x3 = __PKHBT(b, a, 16);
+	  a = *(px + 2);
+	  x2 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	   */
+		px += 2u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLADX(x0, c0, acc0);
+        acc1 = __SMLADX(x1, c0, acc1);
+        acc2 = __SMLADX(x3, c0, acc2);
+        acc3 = __SMLADX(x2, c0, acc3);
+      }
+
+      if(k == 3u)
+      {
+        /* Read y[srcBLen - 5], y[srcBLen - 6] */
+		a = *py;
+		b = *(py+1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+		c0 = __PKHBT(a, b, 16);
+
+#else
+
+ 		c0 = __PKHBT(b, a, 16);;
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+        /* Read x[7], x[8], x[9] */
+	  a = *px;
+	  b = *(px + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+	  x3 = __PKHBT(a, b, 16);
+	  a = *(px + 2);
+	  x2 = __PKHBT(b, a, 16);
+
+#else
+
+	  x3 = __PKHBT(b, a, 16);
+	  a = *(px + 2);
+	  x2 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	   */
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLADX(x0, c0, acc0);
+        acc1 = __SMLADX(x1, c0, acc1);
+        acc2 = __SMLADX(x3, c0, acc2);
+        acc3 = __SMLADX(x2, c0, acc3);
+
+        /* Read y[srcBLen - 7] */
+		c0 = *(py-1);
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+#else
+
+        c0 = c0 & 0x0000FFFF;
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+
+        /* Read x[10] */
+		a = *(px+2);
+		b = *(px+3);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+		x3 = __PKHBT(a, b, 16);
+
+#else
+
+ 		x3 = __PKHBT(b, a, 16);;
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+		px += 3u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLADX(x1, c0, acc0);
+        acc1 = __SMLAD(x2, c0, acc1);
+        acc2 = __SMLADX(x2, c0, acc2);
+        acc3 = __SMLADX(x3, c0, acc3);
+      }
+
+      /* Store the results in the accumulators in the destination buffer. */
+	  *pOut++ = (q15_t)(acc0 >> 15);
+	  *pOut++ = (q15_t)(acc1 >> 15);
+	  *pOut++ = (q15_t)(acc2 >> 15);
+	  *pOut++ = (q15_t)(acc3 >> 15);
+
+        /* Increment the pointer pIn1 index, count by 4 */
+        count += 4u;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+
+      /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.   
+       ** No loop unrolling is used. */
+      blkCnt = (uint32_t) blockSize2 % 0x4u;
+
+      while(blkCnt > 0u)
+      {
+        /* Accumulator is made zero for every iteration */
+        sum = 0;
+
+        /* Apply loop unrolling and compute 4 MACs simultaneously. */
+        k = srcBLen >> 2u;
+
+        /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+         ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulates */
+          sum += ((q31_t) * px++ * *py--);
+          sum += ((q31_t) * px++ * *py--);
+          sum += ((q31_t) * px++ * *py--);
+          sum += ((q31_t) * px++ * *py--);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+         ** No loop unrolling is used. */
+        k = srcBLen % 0x4u;
+
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulates */
+          sum += ((q31_t) * px++ * *py--);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = (q15_t) (sum >> 15);
+
+        /* Increment the pointer pIn1 index, count by 1 */
+        count++;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+    }
+    else
+    {
+      /* If the srcBLen is not a multiple of 4,   
+       * the blockSize2 loop cannot be unrolled by 4 */
+      blkCnt = (uint32_t) blockSize2;
+
+      while(blkCnt > 0u)
+      {
+        /* Accumulator is made zero for every iteration */
+        sum = 0;
+
+        /* srcBLen number of MACS should be performed */
+        k = srcBLen;
+
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulate */
+          sum += ((q31_t) * px++ * *py--);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = (q15_t) (sum >> 15);
+
+        /* Increment the MAC count */
+        count++;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+    }
+
+
+    /* --------------------------   
+     * Initializations of stage3   
+     * -------------------------*/
+
+    /* sum += x[srcALen-srcBLen+1] * y[srcBLen-1] + x[srcALen-srcBLen+2] * y[srcBLen-2] +...+ x[srcALen-1] * y[1]   
+     * sum += x[srcALen-srcBLen+2] * y[srcBLen-1] + x[srcALen-srcBLen+3] * y[srcBLen-2] +...+ x[srcALen-1] * y[2]   
+     * ....   
+     * sum +=  x[srcALen-2] * y[srcBLen-1] + x[srcALen-1] * y[srcBLen-2]   
+     * sum +=  x[srcALen-1] * y[srcBLen-1]   
+     */
+
+    /* In this stage the MAC operations are decreased by 1 for every iteration.   
+       The count variable holds the number of MAC operations performed */
+    count = srcBLen - 1u;
+
+    /* Working pointer of inputA */
+    pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+    px = pSrc1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + (srcBLen - 1u);
+    pIn2 = pSrc2 - 1u;
+    py = pIn2;
+
+    /* -------------------   
+     * Stage3 process   
+     * ------------------*/
+
+    /* For loop unrolling by 4, this stage is divided into two. */
+    /* First part of this stage computes the MAC operations greater than 4 */
+    /* Second part of this stage computes the MAC operations less than or equal to 4 */
+
+    /* The first part of the stage starts here */
+    j = count >> 2u;
+
+    while((j > 0u) && (blockSize3 > 0))
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+	py++;
+
+    while(k > 0u)
+    {	
+      /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+        sum += ((q31_t) * px++ * *py--);
+      /* Decrement the loop counter */
+      k--;
+    }
+
+
+      /* If the count is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = count % 0x4u;
+
+      while(k > 0u)
+      {
+      /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (sum >> 15);
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = ++pSrc1;
+      py = pIn2;
+
+      /* Decrement the MAC count */
+      count--;
+
+      /* Decrement the loop counter */
+      blockSize3--;
+
+      j--;
+    }
+
+    /* The second part of the stage starts here */
+    /* SIMD is not used for the next MAC operations,   
+     * so pointer py is updated to read only one sample at a time */
+    py = py + 1u;
+
+  while(blockSize3 > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        /* sum +=  x[srcALen-1] * y[srcBLen-1] */
+        sum += ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (sum >> 15);
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = ++pSrc1;
+      py = pSrc2;
+
+      /* Decrement the MAC count */
+      count--;
+
+      /* Decrement the loop counter */
+      blockSize3--;
+    }
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+
+#endif /*     #ifndef UNALIGNED_SUPPORT_DISABLE      */
+}
+
+/**   
+ * @} end of PartialConv group   
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_fast_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_fast_q31.c
new file mode 100644
index 0000000000..0e4795f478
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_fast_q31.c
@@ -0,0 +1,599 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_conv_partial_fast_q31.c    
+*    
+* Description:	Fast Q31 Partial convolution.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup PartialConv    
+ * @{    
+ */
+
+/**    
+ * @brief Partial convolution of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4.    
+ * @param[in]       *pSrcA points to the first input sequence.    
+ * @param[in]       srcALen length of the first input sequence.    
+ * @param[in]       *pSrcB points to the second input sequence.    
+ * @param[in]       srcBLen length of the second input sequence.    
+ * @param[out]      *pDst points to the location where the output result is written.    
+ * @param[in]       firstIndex is the first output sample to start with.    
+ * @param[in]       numPoints is the number of output points to be computed.    
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].    
+ *    
+ * \par    
+ * See arm_conv_partial_q31() for a slower implementation of this function which uses a 64-bit accumulator to provide higher precision.    
+ */
+
+arm_status arm_conv_partial_fast_q31(
+  q31_t * pSrcA,
+  uint32_t srcALen,
+  q31_t * pSrcB,
+  uint32_t srcBLen,
+  q31_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints)
+{
+  q31_t *pIn1;                                   /* inputA pointer               */
+  q31_t *pIn2;                                   /* inputB pointer               */
+  q31_t *pOut = pDst;                            /* output pointer               */
+  q31_t *px;                                     /* Intermediate inputA pointer  */
+  q31_t *py;                                     /* Intermediate inputB pointer  */
+  q31_t *pSrc1, *pSrc2;                          /* Intermediate pointers        */
+  q31_t sum, acc0, acc1, acc2, acc3;             /* Accumulators                  */
+  q31_t x0, x1, x2, x3, c0;
+  uint32_t j, k, count, check, blkCnt;
+  int32_t blockSize1, blockSize2, blockSize3;    /* loop counters                 */
+  arm_status status;                             /* status of Partial convolution */
+
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_MATH_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+
+    /* The algorithm implementation is based on the lengths of the inputs. */
+    /* srcB is always made to slide across srcA. */
+    /* So srcBLen is always considered as shorter or equal to srcALen */
+    if(srcALen >= srcBLen)
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcA;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcB;
+    }
+    else
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcB;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcA;
+
+      /* srcBLen is always considered as shorter or equal to srcALen */
+      j = srcBLen;
+      srcBLen = srcALen;
+      srcALen = j;
+    }
+
+    /* Conditions to check which loopCounter holds    
+     * the first and last indices of the output samples to be calculated. */
+    check = firstIndex + numPoints;
+    blockSize3 = ((int32_t) check - (int32_t) srcALen);
+    blockSize3 = (blockSize3 > 0) ? blockSize3 : 0;
+    blockSize1 = (((int32_t) srcBLen - 1) - (int32_t) firstIndex);
+    blockSize1 = (blockSize1 > 0) ? ((check > (srcBLen - 1u)) ? blockSize1 :
+                                     (int32_t) numPoints) : 0;
+    blockSize2 = (int32_t) check - ((blockSize3 + blockSize1) +
+                                    (int32_t) firstIndex);
+    blockSize2 = (blockSize2 > 0) ? blockSize2 : 0;
+
+    /* conv(x,y) at n = x[n] * y[0] + x[n-1] * y[1] + x[n-2] * y[2] + ...+ x[n-N+1] * y[N -1] */
+    /* The function is internally    
+     * divided into three stages according to the number of multiplications that has to be    
+     * taken place between inputA samples and inputB samples. In the first stage of the    
+     * algorithm, the multiplications increase by one for every iteration.    
+     * In the second stage of the algorithm, srcBLen number of multiplications are done.    
+     * In the third stage of the algorithm, the multiplications decrease by one    
+     * for every iteration. */
+
+    /* Set the output pointer to point to the firstIndex    
+     * of the output sample to be calculated. */
+    pOut = pDst + firstIndex;
+
+    /* --------------------------    
+     * Initializations of stage1    
+     * -------------------------*/
+
+    /* sum = x[0] * y[0]    
+     * sum = x[0] * y[1] + x[1] * y[0]    
+     * ....    
+     * sum = x[0] * y[srcBlen - 1] + x[1] * y[srcBlen - 2] +...+ x[srcBLen - 1] * y[0]    
+     */
+
+    /* In this stage the MAC operations are increased by 1 for every iteration.    
+       The count variable holds the number of MAC operations performed.    
+       Since the partial convolution starts from firstIndex    
+       Number of Macs to be performed is firstIndex + 1 */
+    count = 1u + firstIndex;
+
+    /* Working pointer of inputA */
+    px = pIn1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + firstIndex;
+    py = pSrc2;
+
+    /* ------------------------    
+     * Stage1 process    
+     * ----------------------*/
+
+    /* The first loop starts here */
+    while(blockSize1 > 0)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* x[0] * y[srcBLen - 1] */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+
+        /* x[1] * y[srcBLen - 2] */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+
+        /* x[2] * y[srcBLen - 3] */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+
+        /* x[3] * y[srcBLen - 4] */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the count is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = count % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = sum << 1;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      py = ++pSrc2;
+      px = pIn1;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Decrement the loop counter */
+      blockSize1--;
+    }
+
+    /* --------------------------    
+     * Initializations of stage2    
+     * ------------------------*/
+
+    /* sum = x[0] * y[srcBLen-1] + x[1] * y[srcBLen-2] +...+ x[srcBLen-1] * y[0]    
+     * sum = x[1] * y[srcBLen-1] + x[2] * y[srcBLen-2] +...+ x[srcBLen] * y[0]    
+     * ....    
+     * sum = x[srcALen-srcBLen-2] * y[srcBLen-1] + x[srcALen] * y[srcBLen-2] +...+ x[srcALen-1] * y[0]    
+     */
+
+    /* Working pointer of inputA */
+    px = pIn1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + (srcBLen - 1u);
+    py = pSrc2;
+
+    /* count is index by which the pointer pIn1 to be incremented */
+    count = 0u;
+
+    /* -------------------    
+     * Stage2 process    
+     * ------------------*/
+
+    /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.    
+     * So, to loop unroll over blockSize2,    
+     * srcBLen should be greater than or equal to 4 */
+    if(srcBLen >= 4u)
+    {
+      /* Loop unroll over blockSize2 */
+      blkCnt = ((uint32_t) blockSize2 >> 2u);
+
+      while(blkCnt > 0u)
+      {
+        /* Set all accumulators to zero */
+        acc0 = 0;
+        acc1 = 0;
+        acc2 = 0;
+        acc3 = 0;
+
+        /* read x[0], x[1], x[2] samples */
+        x0 = *(px++);
+        x1 = *(px++);
+        x2 = *(px++);
+
+        /* Apply loop unrolling and compute 4 MACs simultaneously. */
+        k = srcBLen >> 2u;
+
+        /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+         ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+        do
+        {
+          /* Read y[srcBLen - 1] sample */
+          c0 = *(py--);
+
+          /* Read x[3] sample */
+          x3 = *(px++);
+
+          /* Perform the multiply-accumulate */
+          /* acc0 +=  x[0] * y[srcBLen - 1] */
+          acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x0 * c0)) >> 32);
+
+          /* acc1 +=  x[1] * y[srcBLen - 1] */
+          acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x1 * c0)) >> 32);
+
+          /* acc2 +=  x[2] * y[srcBLen - 1] */
+          acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x2 * c0)) >> 32);
+
+          /* acc3 +=  x[3] * y[srcBLen - 1] */
+          acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x3 * c0)) >> 32);
+
+          /* Read y[srcBLen - 2] sample */
+          c0 = *(py--);
+
+          /* Read x[4] sample */
+          x0 = *(px++);
+
+          /* Perform the multiply-accumulate */
+          /* acc0 +=  x[1] * y[srcBLen - 2] */
+          acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x1 * c0)) >> 32);
+          /* acc1 +=  x[2] * y[srcBLen - 2] */
+          acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x2 * c0)) >> 32);
+          /* acc2 +=  x[3] * y[srcBLen - 2] */
+          acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x3 * c0)) >> 32);
+          /* acc3 +=  x[4] * y[srcBLen - 2] */
+          acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x0 * c0)) >> 32);
+
+          /* Read y[srcBLen - 3] sample */
+          c0 = *(py--);
+
+          /* Read x[5] sample */
+          x1 = *(px++);
+
+          /* Perform the multiply-accumulates */
+          /* acc0 +=  x[2] * y[srcBLen - 3] */
+          acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x2 * c0)) >> 32);
+          /* acc1 +=  x[3] * y[srcBLen - 2] */
+          acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x3 * c0)) >> 32);
+          /* acc2 +=  x[4] * y[srcBLen - 2] */
+          acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x0 * c0)) >> 32);
+          /* acc3 +=  x[5] * y[srcBLen - 2] */
+          acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x1 * c0)) >> 32);
+
+          /* Read y[srcBLen - 4] sample */
+          c0 = *(py--);
+
+          /* Read x[6] sample */
+          x2 = *(px++);
+
+          /* Perform the multiply-accumulates */
+          /* acc0 +=  x[3] * y[srcBLen - 4] */
+          acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x3 * c0)) >> 32);
+          /* acc1 +=  x[4] * y[srcBLen - 4] */
+          acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x0 * c0)) >> 32);
+          /* acc2 +=  x[5] * y[srcBLen - 4] */
+          acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x1 * c0)) >> 32);
+          /* acc3 +=  x[6] * y[srcBLen - 4] */
+          acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x2 * c0)) >> 32);
+
+
+        } while(--k);
+
+        /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+         ** No loop unrolling is used. */
+        k = srcBLen % 0x4u;
+
+        while(k > 0u)
+        {
+          /* Read y[srcBLen - 5] sample */
+          c0 = *(py--);
+
+          /* Read x[7] sample */
+          x3 = *(px++);
+
+          /* Perform the multiply-accumulates */
+          /* acc0 +=  x[4] * y[srcBLen - 5] */
+          acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x0 * c0)) >> 32);
+          /* acc1 +=  x[5] * y[srcBLen - 5] */
+          acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x1 * c0)) >> 32);
+          /* acc2 +=  x[6] * y[srcBLen - 5] */
+          acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x2 * c0)) >> 32);
+          /* acc3 +=  x[7] * y[srcBLen - 5] */
+          acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x3 * c0)) >> 32);
+
+          /* Reuse the present samples for the next MAC */
+          x0 = x1;
+          x1 = x2;
+          x2 = x3;
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = (q31_t) (acc0 << 1);
+        *pOut++ = (q31_t) (acc1 << 1);
+        *pOut++ = (q31_t) (acc2 << 1);
+        *pOut++ = (q31_t) (acc3 << 1);
+
+        /* Increment the pointer pIn1 index, count by 4 */
+        count += 4u;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+
+      /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.    
+       ** No loop unrolling is used. */
+      blkCnt = (uint32_t) blockSize2 % 0x4u;
+
+      while(blkCnt > 0u)
+      {
+        /* Accumulator is made zero for every iteration */
+        sum = 0;
+
+        /* Apply loop unrolling and compute 4 MACs simultaneously. */
+        k = srcBLen >> 2u;
+
+        /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+         ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulates */
+          sum = (q31_t) ((((q63_t) sum << 32) +
+                          ((q63_t) * px++ * (*py--))) >> 32);
+          sum = (q31_t) ((((q63_t) sum << 32) +
+                          ((q63_t) * px++ * (*py--))) >> 32);
+          sum = (q31_t) ((((q63_t) sum << 32) +
+                          ((q63_t) * px++ * (*py--))) >> 32);
+          sum = (q31_t) ((((q63_t) sum << 32) +
+                          ((q63_t) * px++ * (*py--))) >> 32);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+         ** No loop unrolling is used. */
+        k = srcBLen % 0x4u;
+
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulate */
+          sum = (q31_t) ((((q63_t) sum << 32) +
+                          ((q63_t) * px++ * (*py--))) >> 32);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = sum << 1;
+
+        /* Increment the MAC count */
+        count++;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+    }
+    else
+    {
+      /* If the srcBLen is not a multiple of 4,    
+       * the blockSize2 loop cannot be unrolled by 4 */
+      blkCnt = (uint32_t) blockSize2;
+
+      while(blkCnt > 0u)
+      {
+        /* Accumulator is made zero for every iteration */
+        sum = 0;
+
+        /* srcBLen number of MACS should be performed */
+        k = srcBLen;
+
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulate */
+          sum = (q31_t) ((((q63_t) sum << 32) +
+                          ((q63_t) * px++ * (*py--))) >> 32);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = sum << 1;
+
+        /* Increment the MAC count */
+        count++;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+    }
+
+
+    /* --------------------------    
+     * Initializations of stage3    
+     * -------------------------*/
+
+    /* sum += x[srcALen-srcBLen+1] * y[srcBLen-1] + x[srcALen-srcBLen+2] * y[srcBLen-2] +...+ x[srcALen-1] * y[1]    
+     * sum += x[srcALen-srcBLen+2] * y[srcBLen-1] + x[srcALen-srcBLen+3] * y[srcBLen-2] +...+ x[srcALen-1] * y[2]    
+     * ....    
+     * sum +=  x[srcALen-2] * y[srcBLen-1] + x[srcALen-1] * y[srcBLen-2]    
+     * sum +=  x[srcALen-1] * y[srcBLen-1]    
+     */
+
+    /* In this stage the MAC operations are decreased by 1 for every iteration.    
+       The count variable holds the number of MAC operations performed */
+    count = srcBLen - 1u;
+
+    /* Working pointer of inputA */
+    pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+    px = pSrc1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + (srcBLen - 1u);
+    py = pSrc2;
+
+    /* -------------------    
+     * Stage3 process    
+     * ------------------*/
+
+    while(blockSize3 > 0)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* sum += x[srcALen - srcBLen + 1] * y[srcBLen - 1] */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+
+        /* sum += x[srcALen - srcBLen + 2] * y[srcBLen - 2] */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+
+        /* sum += x[srcALen - srcBLen + 3] * y[srcBLen - 3] */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+
+        /* sum += x[srcALen - srcBLen + 4] * y[srcBLen - 4] */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the count is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = count % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        /* sum +=  x[srcALen-1] * y[srcBLen-1] */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py--))) >> 32);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = sum << 1;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = ++pSrc1;
+      py = pSrc2;
+
+      /* Decrement the MAC count */
+      count--;
+
+      /* Decrement the loop counter */
+      blockSize3--;
+
+    }
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+
+}
+
+/**    
+ * @} end of PartialConv group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_opt_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_opt_q15.c
new file mode 100644
index 0000000000..0dd3347a82
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_opt_q15.c
@@ -0,0 +1,764 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_conv_partial_opt_q15.c    
+*    
+* Description:	Partial convolution of Q15 sequences.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*  
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+*    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup PartialConv    
+ * @{    
+ */
+
+/**    
+ * @brief Partial convolution of Q15 sequences.    
+ * @param[in]       *pSrcA points to the first input sequence.    
+ * @param[in]       srcALen length of the first input sequence.    
+ * @param[in]       *pSrcB points to the second input sequence.    
+ * @param[in]       srcBLen length of the second input sequence.    
+ * @param[out]      *pDst points to the location where the output result is written.    
+ * @param[in]       firstIndex is the first output sample to start with.    
+ * @param[in]       numPoints is the number of output points to be computed.    
+ * @param[in]       *pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.   
+ * @param[in]       *pScratch2 points to scratch buffer of size min(srcALen, srcBLen).   
+ * @return  Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].    
+ *    
+ * \par Restrictions    
+ *  If the silicon does not support unaligned memory access enable the macro UNALIGNED_SUPPORT_DISABLE    
+ *	In this case input, output, state buffers should be aligned by 32-bit    
+ *    
+ * Refer to arm_conv_partial_fast_q15() for a faster but less precise version of this function for Cortex-M3 and Cortex-M4.   
+ *  
+ * 
+ */
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+arm_status arm_conv_partial_opt_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints,
+  q15_t * pScratch1,
+  q15_t * pScratch2)
+{
+
+  q15_t *pOut = pDst;                            /* output pointer */
+  q15_t *pScr1 = pScratch1;                      /* Temporary pointer for scratch1 */
+  q15_t *pScr2 = pScratch2;                      /* Temporary pointer for scratch1 */
+  q63_t acc0, acc1, acc2, acc3;                  /* Accumulator */
+  q31_t x1, x2, x3;                              /* Temporary variables to hold state and coefficient values */
+  q31_t y1, y2;                                  /* State variables */
+  q15_t *pIn1;                                   /* inputA pointer */
+  q15_t *pIn2;                                   /* inputB pointer */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  uint32_t j, k, blkCnt;                         /* loop counter */
+  arm_status status;                             /* Status variable */
+  uint32_t tapCnt;                               /* loop count */
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_MATH_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+
+    /* The algorithm implementation is based on the lengths of the inputs. */
+    /* srcB is always made to slide across srcA. */
+    /* So srcBLen is always considered as shorter or equal to srcALen */
+    if(srcALen >= srcBLen)
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcA;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcB;
+    }
+    else
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcB;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcA;
+
+      /* srcBLen is always considered as shorter or equal to srcALen */
+      j = srcBLen;
+      srcBLen = srcALen;
+      srcALen = j;
+    }
+
+    /* Temporary pointer for scratch2 */
+    py = pScratch2;
+
+    /* pointer to take end of scratch2 buffer */
+    pScr2 = pScratch2 + srcBLen - 1;
+
+    /* points to smaller length sequence */
+    px = pIn2;
+
+    /* Apply loop unrolling and do 4 Copies simultaneously. */
+    k = srcBLen >> 2u;
+
+    /* First part of the processing with loop unrolling copies 4 data points at a time.       
+     ** a second loop below copies for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner */
+      *pScr2-- = *px++;
+      *pScr2-- = *px++;
+      *pScr2-- = *px++;
+      *pScr2-- = *px++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, copy remaining samples here.       
+     ** No loop unrolling is used. */
+    k = srcBLen % 0x4u;
+
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner for remaining samples */
+      *pScr2-- = *px++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Initialze temporary scratch pointer */
+    pScr1 = pScratch1;
+
+    /* Fill (srcBLen - 1u) zeros in scratch buffer */
+    arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+    /* Update temporary scratch pointer */
+    pScr1 += (srcBLen - 1u);
+
+    /* Copy bigger length sequence(srcALen) samples in scratch1 buffer */
+
+    /* Copy (srcALen) samples in scratch buffer */
+    arm_copy_q15(pIn1, pScr1, srcALen);
+
+    /* Update pointers */
+    pScr1 += srcALen;
+
+    /* Fill (srcBLen - 1u) zeros at end of scratch buffer */
+    arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+    /* Update pointer */
+    pScr1 += (srcBLen - 1u);
+
+    /* Initialization of pIn2 pointer */
+    pIn2 = py;
+
+    pScratch1 += firstIndex;
+
+    pOut = pDst + firstIndex;
+
+    /* Actual convolution process starts here */
+    blkCnt = (numPoints) >> 2;
+
+    while(blkCnt > 0)
+    {
+      /* Initialze temporary scratch pointer as scratch1 */
+      pScr1 = pScratch1;
+
+      /* Clear Accumlators */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+      /* Read two samples from scratch1 buffer */
+      x1 = *__SIMD32(pScr1)++;
+
+      /* Read next two samples from scratch1 buffer */
+      x2 = *__SIMD32(pScr1)++;
+
+      tapCnt = (srcBLen) >> 2u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read four samples from smaller buffer */
+        y1 = _SIMD32_OFFSET(pIn2);
+        y2 = _SIMD32_OFFSET(pIn2 + 2u);
+
+        /* multiply and accumlate */
+        acc0 = __SMLALD(x1, y1, acc0);
+        acc2 = __SMLALD(x2, y1, acc2);
+
+        /* pack input data */
+#ifndef ARM_MATH_BIG_ENDIAN
+        x3 = __PKHBT(x2, x1, 0);
+#else
+        x3 = __PKHBT(x1, x2, 0);
+#endif
+
+        /* multiply and accumlate */
+        acc1 = __SMLALDX(x3, y1, acc1);
+
+        /* Read next two samples from scratch1 buffer */
+        x1 = _SIMD32_OFFSET(pScr1);
+
+        /* multiply and accumlate */
+        acc0 = __SMLALD(x2, y2, acc0);
+        acc2 = __SMLALD(x1, y2, acc2);
+
+        /* pack input data */
+#ifndef ARM_MATH_BIG_ENDIAN
+        x3 = __PKHBT(x1, x2, 0);
+#else
+        x3 = __PKHBT(x2, x1, 0);
+#endif
+
+        acc3 = __SMLALDX(x3, y1, acc3);
+        acc1 = __SMLALDX(x3, y2, acc1);
+
+        x2 = _SIMD32_OFFSET(pScr1 + 2u);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+        x3 = __PKHBT(x2, x1, 0);
+#else
+        x3 = __PKHBT(x1, x2, 0);
+#endif
+
+        acc3 = __SMLALDX(x3, y2, acc3);
+
+        /* update scratch pointers */
+        pIn2 += 4u;
+        pScr1 += 4u;
+
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* Update scratch pointer for remaining samples of smaller length sequence */
+      pScr1 -= 4u;
+
+      /* apply same above for remaining samples of smaller length sequence */
+      tapCnt = (srcBLen) & 3u;
+
+      while(tapCnt > 0u)
+      {
+        /* accumlate the results */
+        acc0 += (*pScr1++ * *pIn2);
+        acc1 += (*pScr1++ * *pIn2);
+        acc2 += (*pScr1++ * *pIn2);
+        acc3 += (*pScr1++ * *pIn2++);
+
+        pScr1 -= 3u;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      blkCnt--;
+
+
+      /* Store the results in the accumulators in the destination buffer. */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc0 >> 15), 16), __SSAT((acc1 >> 15), 16), 16);
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc2 >> 15), 16), __SSAT((acc3 >> 15), 16), 16);
+
+#else
+
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc1 >> 15), 16), __SSAT((acc0 >> 15), 16), 16);
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc3 >> 15), 16), __SSAT((acc2 >> 15), 16), 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+      /* Initialization of inputB pointer */
+      pIn2 = py;
+
+      pScratch1 += 4u;
+
+    }
+
+
+    blkCnt = numPoints & 0x3;
+
+    /* Calculate convolution for remaining samples of Bigger length sequence */
+    while(blkCnt > 0)
+    {
+      /* Initialze temporary scratch pointer as scratch1 */
+      pScr1 = pScratch1;
+
+      /* Clear Accumlators */
+      acc0 = 0;
+
+      tapCnt = (srcBLen) >> 1u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read next two samples from scratch1 buffer */
+        x1 = *__SIMD32(pScr1)++;
+
+        /* Read two samples from smaller buffer */
+        y1 = *__SIMD32(pIn2)++;
+
+        acc0 = __SMLALD(x1, y1, acc0);
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      tapCnt = (srcBLen) & 1u;
+
+      /* apply same above for remaining samples of smaller length sequence */
+      while(tapCnt > 0u)
+      {
+
+        /* accumlate the results */
+        acc0 += (*pScr1++ * *pIn2++);
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      blkCnt--;
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (__SSAT((acc0 >> 15), 16));
+
+      /* Initialization of inputB pointer */
+      pIn2 = py;
+
+      pScratch1 += 1u;
+
+    }
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+#else
+
+arm_status arm_conv_partial_opt_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints,
+  q15_t * pScratch1,
+  q15_t * pScratch2)
+{
+
+  q15_t *pOut = pDst;                            /* output pointer */
+  q15_t *pScr1 = pScratch1;                      /* Temporary pointer for scratch1 */
+  q15_t *pScr2 = pScratch2;                      /* Temporary pointer for scratch1 */
+  q63_t acc0, acc1, acc2, acc3;                  /* Accumulator */
+  q15_t *pIn1;                                   /* inputA pointer */
+  q15_t *pIn2;                                   /* inputB pointer */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  uint32_t j, k, blkCnt;                         /* loop counter */
+  arm_status status;                             /* Status variable */
+  uint32_t tapCnt;                               /* loop count */
+  q15_t x10, x11, x20, x21;                      /* Temporary variables to hold srcA buffer */
+  q15_t y10, y11;                                /* Temporary variables to hold srcB buffer */
+
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_MATH_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+
+    /* The algorithm implementation is based on the lengths of the inputs. */
+    /* srcB is always made to slide across srcA. */
+    /* So srcBLen is always considered as shorter or equal to srcALen */
+    if(srcALen >= srcBLen)
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcA;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcB;
+    }
+    else
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcB;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcA;
+
+      /* srcBLen is always considered as shorter or equal to srcALen */
+      j = srcBLen;
+      srcBLen = srcALen;
+      srcALen = j;
+    }
+
+    /* Temporary pointer for scratch2 */
+    py = pScratch2;
+
+    /* pointer to take end of scratch2 buffer */
+    pScr2 = pScratch2 + srcBLen - 1;
+
+    /* points to smaller length sequence */
+    px = pIn2;
+
+    /* Apply loop unrolling and do 4 Copies simultaneously. */
+    k = srcBLen >> 2u;
+
+    /* First part of the processing with loop unrolling copies 4 data points at a time.       
+     ** a second loop below copies for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner */
+      *pScr2-- = *px++;
+      *pScr2-- = *px++;
+      *pScr2-- = *px++;
+      *pScr2-- = *px++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, copy remaining samples here.       
+     ** No loop unrolling is used. */
+    k = srcBLen % 0x4u;
+
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner for remaining samples */
+      *pScr2-- = *px++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Initialze temporary scratch pointer */
+    pScr1 = pScratch1;
+
+    /* Fill (srcBLen - 1u) zeros in scratch buffer */
+    arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+    /* Update temporary scratch pointer */
+    pScr1 += (srcBLen - 1u);
+
+    /* Copy bigger length sequence(srcALen) samples in scratch1 buffer */
+
+
+    /* Apply loop unrolling and do 4 Copies simultaneously. */
+    k = srcALen >> 2u;
+
+    /* First part of the processing with loop unrolling copies 4 data points at a time.       
+     ** a second loop below copies for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner */
+      *pScr1++ = *pIn1++;
+      *pScr1++ = *pIn1++;
+      *pScr1++ = *pIn1++;
+      *pScr1++ = *pIn1++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, copy remaining samples here.       
+     ** No loop unrolling is used. */
+    k = srcALen % 0x4u;
+
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner for remaining samples */
+      *pScr1++ = *pIn1++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+
+    /* Apply loop unrolling and do 4 Copies simultaneously. */
+    k = (srcBLen - 1u) >> 2u;
+
+    /* First part of the processing with loop unrolling copies 4 data points at a time.       
+     ** a second loop below copies for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner */
+      *pScr1++ = 0;
+      *pScr1++ = 0;
+      *pScr1++ = 0;
+      *pScr1++ = 0;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, copy remaining samples here.       
+     ** No loop unrolling is used. */
+    k = (srcBLen - 1u) % 0x4u;
+
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner for remaining samples */
+      *pScr1++ = 0;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+
+    /* Initialization of pIn2 pointer */
+    pIn2 = py;
+
+    pScratch1 += firstIndex;
+
+    pOut = pDst + firstIndex;
+
+    /* Actual convolution process starts here */
+    blkCnt = (numPoints) >> 2;
+
+    while(blkCnt > 0)
+    {
+      /* Initialze temporary scratch pointer as scratch1 */
+      pScr1 = pScratch1;
+
+      /* Clear Accumlators */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+      /* Read two samples from scratch1 buffer */
+      x10 = *pScr1++;
+      x11 = *pScr1++;
+
+      /* Read next two samples from scratch1 buffer */
+      x20 = *pScr1++;
+      x21 = *pScr1++;
+
+      tapCnt = (srcBLen) >> 2u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read two samples from smaller buffer */
+        y10 = *pIn2;
+        y11 = *(pIn2 + 1u);
+
+        /* multiply and accumlate */
+        acc0 += (q63_t) x10 *y10;
+        acc0 += (q63_t) x11 *y11;
+        acc2 += (q63_t) x20 *y10;
+        acc2 += (q63_t) x21 *y11;
+
+        /* multiply and accumlate */
+        acc1 += (q63_t) x11 *y10;
+        acc1 += (q63_t) x20 *y11;
+
+        /* Read next two samples from scratch1 buffer */
+        x10 = *pScr1;
+        x11 = *(pScr1 + 1u);
+
+        /* multiply and accumlate */
+        acc3 += (q63_t) x21 *y10;
+        acc3 += (q63_t) x10 *y11;
+
+        /* Read next two samples from scratch2 buffer */
+        y10 = *(pIn2 + 2u);
+        y11 = *(pIn2 + 3u);
+
+        /* multiply and accumlate */
+        acc0 += (q63_t) x20 *y10;
+        acc0 += (q63_t) x21 *y11;
+        acc2 += (q63_t) x10 *y10;
+        acc2 += (q63_t) x11 *y11;
+        acc1 += (q63_t) x21 *y10;
+        acc1 += (q63_t) x10 *y11;
+
+        /* Read next two samples from scratch1 buffer */
+        x20 = *(pScr1 + 2);
+        x21 = *(pScr1 + 3);
+
+        /* multiply and accumlate */
+        acc3 += (q63_t) x11 *y10;
+        acc3 += (q63_t) x20 *y11;
+
+        /* update scratch pointers */
+        pIn2 += 4u;
+        pScr1 += 4u;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* Update scratch pointer for remaining samples of smaller length sequence */
+      pScr1 -= 4u;
+
+      /* apply same above for remaining samples of smaller length sequence */
+      tapCnt = (srcBLen) & 3u;
+
+      while(tapCnt > 0u)
+      {
+        /* accumlate the results */
+        acc0 += (*pScr1++ * *pIn2);
+        acc1 += (*pScr1++ * *pIn2);
+        acc2 += (*pScr1++ * *pIn2);
+        acc3 += (*pScr1++ * *pIn2++);
+
+        pScr1 -= 3u;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      blkCnt--;
+
+
+      /* Store the results in the accumulators in the destination buffer. */
+      *pOut++ = __SSAT((acc0 >> 15), 16);
+      *pOut++ = __SSAT((acc1 >> 15), 16);
+      *pOut++ = __SSAT((acc2 >> 15), 16);
+      *pOut++ = __SSAT((acc3 >> 15), 16);
+
+
+      /* Initialization of inputB pointer */
+      pIn2 = py;
+
+      pScratch1 += 4u;
+
+    }
+
+
+    blkCnt = numPoints & 0x3;
+
+    /* Calculate convolution for remaining samples of Bigger length sequence */
+    while(blkCnt > 0)
+    {
+      /* Initialze temporary scratch pointer as scratch1 */
+      pScr1 = pScratch1;
+
+      /* Clear Accumlators */
+      acc0 = 0;
+
+      tapCnt = (srcBLen) >> 1u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read next two samples from scratch1 buffer */
+        x10 = *pScr1++;
+        x11 = *pScr1++;
+
+        /* Read two samples from smaller buffer */
+        y10 = *pIn2++;
+        y11 = *pIn2++;
+
+        /* multiply and accumlate */
+        acc0 += (q63_t) x10 *y10;
+        acc0 += (q63_t) x11 *y11;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      tapCnt = (srcBLen) & 1u;
+
+      /* apply same above for remaining samples of smaller length sequence */
+      while(tapCnt > 0u)
+      {
+
+        /* accumlate the results */
+        acc0 += (*pScr1++ * *pIn2++);
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      blkCnt--;
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (__SSAT((acc0 >> 15), 16));
+
+
+      /* Initialization of inputB pointer */
+      pIn2 = py;
+
+      pScratch1 += 1u;
+
+    }
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+
+/**    
+ * @} end of PartialConv group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_opt_q7.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_opt_q7.c
new file mode 100644
index 0000000000..6a82603165
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_opt_q7.c
@@ -0,0 +1,806 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_conv_partial_opt_q7.c    
+*    
+* Description:	Partial convolution of Q7 sequences.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*  
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+*    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup PartialConv    
+ * @{    
+ */
+
+/**    
+ * @brief Partial convolution of Q7 sequences.    
+ * @param[in]       *pSrcA points to the first input sequence.    
+ * @param[in]       srcALen length of the first input sequence.    
+ * @param[in]       *pSrcB points to the second input sequence.    
+ * @param[in]       srcBLen length of the second input sequence.    
+ * @param[out]      *pDst points to the location where the output result is written.    
+ * @param[in]       firstIndex is the first output sample to start with.    
+ * @param[in]       numPoints is the number of output points to be computed.    
+ * @param[in]      *pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.    
+ * @param[in]      *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).    
+ * @return  Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].    
+ *    
+ * \par Restrictions    
+ *  If the silicon does not support unaligned memory access enable the macro UNALIGNED_SUPPORT_DISABLE    
+ *	In this case input, output, scratch1 and scratch2 buffers should be aligned by 32-bit   
+ * 
+ *
+ * 
+ */
+
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+arm_status arm_conv_partial_opt_q7(
+  q7_t * pSrcA,
+  uint32_t srcALen,
+  q7_t * pSrcB,
+  uint32_t srcBLen,
+  q7_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints,
+  q15_t * pScratch1,
+  q15_t * pScratch2)
+{
+
+  q15_t *pScr2, *pScr1;                          /* Intermediate pointers for scratch pointers */
+  q15_t x4;                                      /* Temporary input variable */
+  q7_t *pIn1, *pIn2;                             /* inputA and inputB pointer */
+  uint32_t j, k, blkCnt, tapCnt;                 /* loop counter */
+  q7_t *px;                                      /* Temporary input1 pointer */
+  q15_t *py;                                     /* Temporary input2 pointer */
+  q31_t acc0, acc1, acc2, acc3;                  /* Accumulator */
+  q31_t x1, x2, x3, y1;                          /* Temporary input variables */
+  arm_status status;
+  q7_t *pOut = pDst;                             /* output pointer */
+  q7_t out0, out1, out2, out3;                   /* temporary variables */
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_MATH_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+
+    /* The algorithm implementation is based on the lengths of the inputs. */
+    /* srcB is always made to slide across srcA. */
+    /* So srcBLen is always considered as shorter or equal to srcALen */
+    if(srcALen >= srcBLen)
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcA;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcB;
+    }
+    else
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcB;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcA;
+
+      /* srcBLen is always considered as shorter or equal to srcALen */
+      j = srcBLen;
+      srcBLen = srcALen;
+      srcALen = j;
+    }
+
+    /* pointer to take end of scratch2 buffer */
+    pScr2 = pScratch2;
+
+    /* points to smaller length sequence */
+    px = pIn2 + srcBLen - 1;
+
+    /* Apply loop unrolling and do 4 Copies simultaneously. */
+    k = srcBLen >> 2u;
+
+    /* First part of the processing with loop unrolling copies 4 data points at a time.       
+     ** a second loop below copies for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner */
+      x4 = (q15_t) * px--;
+      *pScr2++ = x4;
+      x4 = (q15_t) * px--;
+      *pScr2++ = x4;
+      x4 = (q15_t) * px--;
+      *pScr2++ = x4;
+      x4 = (q15_t) * px--;
+      *pScr2++ = x4;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, copy remaining samples here.       
+     ** No loop unrolling is used. */
+    k = srcBLen % 0x4u;
+
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner for remaining samples */
+      x4 = (q15_t) * px--;
+      *pScr2++ = x4;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Initialze temporary scratch pointer */
+    pScr1 = pScratch1;
+
+    /* Fill (srcBLen - 1u) zeros in scratch buffer */
+    arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+    /* Update temporary scratch pointer */
+    pScr1 += (srcBLen - 1u);
+
+    /* Copy (srcALen) samples in scratch buffer */
+    /* Apply loop unrolling and do 4 Copies simultaneously. */
+    k = srcALen >> 2u;
+
+    /* First part of the processing with loop unrolling copies 4 data points at a time.       
+     ** a second loop below copies for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner */
+      x4 = (q15_t) * pIn1++;
+      *pScr1++ = x4;
+      x4 = (q15_t) * pIn1++;
+      *pScr1++ = x4;
+      x4 = (q15_t) * pIn1++;
+      *pScr1++ = x4;
+      x4 = (q15_t) * pIn1++;
+      *pScr1++ = x4;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, copy remaining samples here.       
+     ** No loop unrolling is used. */
+    k = srcALen % 0x4u;
+
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner for remaining samples */
+      x4 = (q15_t) * pIn1++;
+      *pScr1++ = x4;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Fill (srcBLen - 1u) zeros at end of scratch buffer */
+    arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+    /* Update pointer */
+    pScr1 += (srcBLen - 1u);
+
+
+    /* Temporary pointer for scratch2 */
+    py = pScratch2;
+
+    /* Initialization of pIn2 pointer */
+    pIn2 = (q7_t *) py;
+
+    pScr2 = py;
+
+    pOut = pDst + firstIndex;
+
+    pScratch1 += firstIndex;
+
+    /* Actual convolution process starts here */
+    blkCnt = (numPoints) >> 2;
+
+
+    while(blkCnt > 0)
+    {
+      /* Initialze temporary scratch pointer as scratch1 */
+      pScr1 = pScratch1;
+
+      /* Clear Accumlators */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+      /* Read two samples from scratch1 buffer */
+      x1 = *__SIMD32(pScr1)++;
+
+      /* Read next two samples from scratch1 buffer */
+      x2 = *__SIMD32(pScr1)++;
+
+      tapCnt = (srcBLen) >> 2u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read four samples from smaller buffer */
+        y1 = _SIMD32_OFFSET(pScr2);
+
+        /* multiply and accumlate */
+        acc0 = __SMLAD(x1, y1, acc0);
+        acc2 = __SMLAD(x2, y1, acc2);
+
+        /* pack input data */
+#ifndef ARM_MATH_BIG_ENDIAN
+        x3 = __PKHBT(x2, x1, 0);
+#else
+        x3 = __PKHBT(x1, x2, 0);
+#endif
+
+        /* multiply and accumlate */
+        acc1 = __SMLADX(x3, y1, acc1);
+
+        /* Read next two samples from scratch1 buffer */
+        x1 = *__SIMD32(pScr1)++;
+
+        /* pack input data */
+#ifndef ARM_MATH_BIG_ENDIAN
+        x3 = __PKHBT(x1, x2, 0);
+#else
+        x3 = __PKHBT(x2, x1, 0);
+#endif
+
+        acc3 = __SMLADX(x3, y1, acc3);
+
+        /* Read four samples from smaller buffer */
+        y1 = _SIMD32_OFFSET(pScr2 + 2u);
+
+        acc0 = __SMLAD(x2, y1, acc0);
+
+        acc2 = __SMLAD(x1, y1, acc2);
+
+        acc1 = __SMLADX(x3, y1, acc1);
+
+        x2 = *__SIMD32(pScr1)++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+        x3 = __PKHBT(x2, x1, 0);
+#else
+        x3 = __PKHBT(x1, x2, 0);
+#endif
+
+        acc3 = __SMLADX(x3, y1, acc3);
+
+        pScr2 += 4u;
+
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+
+
+      /* Update scratch pointer for remaining samples of smaller length sequence */
+      pScr1 -= 4u;
+
+
+      /* apply same above for remaining samples of smaller length sequence */
+      tapCnt = (srcBLen) & 3u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* accumlate the results */
+        acc0 += (*pScr1++ * *pScr2);
+        acc1 += (*pScr1++ * *pScr2);
+        acc2 += (*pScr1++ * *pScr2);
+        acc3 += (*pScr1++ * *pScr2++);
+
+        pScr1 -= 3u;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      blkCnt--;
+
+      /* Store the result in the accumulator in the destination buffer. */
+      out0 = (q7_t) (__SSAT(acc0 >> 7u, 8));
+      out1 = (q7_t) (__SSAT(acc1 >> 7u, 8));
+      out2 = (q7_t) (__SSAT(acc2 >> 7u, 8));
+      out3 = (q7_t) (__SSAT(acc3 >> 7u, 8));
+
+      *__SIMD32(pOut)++ = __PACKq7(out0, out1, out2, out3);
+
+      /* Initialization of inputB pointer */
+      pScr2 = py;
+
+      pScratch1 += 4u;
+
+    }
+
+    blkCnt = (numPoints) & 0x3;
+
+    /* Calculate convolution for remaining samples of Bigger length sequence */
+    while(blkCnt > 0)
+    {
+      /* Initialze temporary scratch pointer as scratch1 */
+      pScr1 = pScratch1;
+
+      /* Clear Accumlators */
+      acc0 = 0;
+
+      tapCnt = (srcBLen) >> 1u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read next two samples from scratch1 buffer */
+        x1 = *__SIMD32(pScr1)++;
+
+        /* Read two samples from smaller buffer */
+        y1 = *__SIMD32(pScr2)++;
+
+        acc0 = __SMLAD(x1, y1, acc0);
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      tapCnt = (srcBLen) & 1u;
+
+      /* apply same above for remaining samples of smaller length sequence */
+      while(tapCnt > 0u)
+      {
+
+        /* accumlate the results */
+        acc0 += (*pScr1++ * *pScr2++);
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      blkCnt--;
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q7_t) (__SSAT(acc0 >> 7u, 8));
+
+      /* Initialization of inputB pointer */
+      pScr2 = py;
+
+      pScratch1 += 1u;
+
+    }
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+
+
+  }
+
+  return (status);
+
+}
+
+#else
+
+arm_status arm_conv_partial_opt_q7(
+  q7_t * pSrcA,
+  uint32_t srcALen,
+  q7_t * pSrcB,
+  uint32_t srcBLen,
+  q7_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints,
+  q15_t * pScratch1,
+  q15_t * pScratch2)
+{
+
+  q15_t *pScr2, *pScr1;                          /* Intermediate pointers for scratch pointers */
+  q15_t x4;                                      /* Temporary input variable */
+  q7_t *pIn1, *pIn2;                             /* inputA and inputB pointer */
+  uint32_t j, k, blkCnt, tapCnt;                 /* loop counter */
+  q7_t *px;                                      /* Temporary input1 pointer */
+  q15_t *py;                                     /* Temporary input2 pointer */
+  q31_t acc0, acc1, acc2, acc3;                  /* Accumulator */
+  arm_status status;
+  q7_t *pOut = pDst;                             /* output pointer */
+  q15_t x10, x11, x20, x21;                      /* Temporary input variables */
+  q15_t y10, y11;                                /* Temporary input variables */
+  q7_t out0, out1, out2, out3;                   /* temporary variables */
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_MATH_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+
+    /* The algorithm implementation is based on the lengths of the inputs. */
+    /* srcB is always made to slide across srcA. */
+    /* So srcBLen is always considered as shorter or equal to srcALen */
+    if(srcALen >= srcBLen)
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcA;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcB;
+    }
+    else
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcB;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcA;
+
+      /* srcBLen is always considered as shorter or equal to srcALen */
+      j = srcBLen;
+      srcBLen = srcALen;
+      srcALen = j;
+    }
+
+    /* pointer to take end of scratch2 buffer */
+    pScr2 = pScratch2;
+
+    /* points to smaller length sequence */
+    px = pIn2 + srcBLen - 1;
+
+    /* Apply loop unrolling and do 4 Copies simultaneously. */
+    k = srcBLen >> 2u;
+
+    /* First part of the processing with loop unrolling copies 4 data points at a time.       
+     ** a second loop below copies for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner */
+      x4 = (q15_t) * px--;
+      *pScr2++ = x4;
+      x4 = (q15_t) * px--;
+      *pScr2++ = x4;
+      x4 = (q15_t) * px--;
+      *pScr2++ = x4;
+      x4 = (q15_t) * px--;
+      *pScr2++ = x4;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, copy remaining samples here.       
+     ** No loop unrolling is used. */
+    k = srcBLen % 0x4u;
+
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner for remaining samples */
+      x4 = (q15_t) * px--;
+      *pScr2++ = x4;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Initialze temporary scratch pointer */
+    pScr1 = pScratch1;
+
+    /* Fill (srcBLen - 1u) zeros in scratch buffer */
+    arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+    /* Update temporary scratch pointer */
+    pScr1 += (srcBLen - 1u);
+
+    /* Copy (srcALen) samples in scratch buffer */
+    /* Apply loop unrolling and do 4 Copies simultaneously. */
+    k = srcALen >> 2u;
+
+    /* First part of the processing with loop unrolling copies 4 data points at a time.       
+     ** a second loop below copies for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner */
+      x4 = (q15_t) * pIn1++;
+      *pScr1++ = x4;
+      x4 = (q15_t) * pIn1++;
+      *pScr1++ = x4;
+      x4 = (q15_t) * pIn1++;
+      *pScr1++ = x4;
+      x4 = (q15_t) * pIn1++;
+      *pScr1++ = x4;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, copy remaining samples here.       
+     ** No loop unrolling is used. */
+    k = srcALen % 0x4u;
+
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner for remaining samples */
+      x4 = (q15_t) * pIn1++;
+      *pScr1++ = x4;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Apply loop unrolling and do 4 Copies simultaneously. */
+    k = (srcBLen - 1u) >> 2u;
+
+    /* First part of the processing with loop unrolling copies 4 data points at a time.       
+     ** a second loop below copies for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner */
+      *pScr1++ = 0;
+      *pScr1++ = 0;
+      *pScr1++ = 0;
+      *pScr1++ = 0;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, copy remaining samples here.       
+     ** No loop unrolling is used. */
+    k = (srcBLen - 1u) % 0x4u;
+
+    while(k > 0u)
+    {
+      /* copy second buffer in reversal manner for remaining samples */
+      *pScr1++ = 0;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+
+    /* Temporary pointer for scratch2 */
+    py = pScratch2;
+
+    /* Initialization of pIn2 pointer */
+    pIn2 = (q7_t *) py;
+
+    pScr2 = py;
+
+    pOut = pDst + firstIndex;
+
+    pScratch1 += firstIndex;
+
+    /* Actual convolution process starts here */
+    blkCnt = (numPoints) >> 2;
+
+
+    while(blkCnt > 0)
+    {
+      /* Initialze temporary scratch pointer as scratch1 */
+      pScr1 = pScratch1;
+
+      /* Clear Accumlators */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+      /* Read two samples from scratch1 buffer */
+      x10 = *pScr1++;
+      x11 = *pScr1++;
+
+      /* Read next two samples from scratch1 buffer */
+      x20 = *pScr1++;
+      x21 = *pScr1++;
+
+      tapCnt = (srcBLen) >> 2u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read four samples from smaller buffer */
+        y10 = *pScr2;
+        y11 = *(pScr2 + 1u);
+
+        /* multiply and accumlate */
+        acc0 += (q31_t) x10 *y10;
+        acc0 += (q31_t) x11 *y11;
+        acc2 += (q31_t) x20 *y10;
+        acc2 += (q31_t) x21 *y11;
+
+
+        acc1 += (q31_t) x11 *y10;
+        acc1 += (q31_t) x20 *y11;
+
+        /* Read next two samples from scratch1 buffer */
+        x10 = *pScr1;
+        x11 = *(pScr1 + 1u);
+
+        /* multiply and accumlate */
+        acc3 += (q31_t) x21 *y10;
+        acc3 += (q31_t) x10 *y11;
+
+        /* Read next two samples from scratch2 buffer */
+        y10 = *(pScr2 + 2u);
+        y11 = *(pScr2 + 3u);
+
+        /* multiply and accumlate */
+        acc0 += (q31_t) x20 *y10;
+        acc0 += (q31_t) x21 *y11;
+        acc2 += (q31_t) x10 *y10;
+        acc2 += (q31_t) x11 *y11;
+        acc1 += (q31_t) x21 *y10;
+        acc1 += (q31_t) x10 *y11;
+
+        /* Read next two samples from scratch1 buffer */
+        x20 = *(pScr1 + 2);
+        x21 = *(pScr1 + 3);
+
+        /* multiply and accumlate */
+        acc3 += (q31_t) x11 *y10;
+        acc3 += (q31_t) x20 *y11;
+
+        /* update scratch pointers */
+
+        pScr1 += 4u;
+        pScr2 += 4u;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+
+
+      /* Update scratch pointer for remaining samples of smaller length sequence */
+      pScr1 -= 4u;
+
+
+      /* apply same above for remaining samples of smaller length sequence */
+      tapCnt = (srcBLen) & 3u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* accumlate the results */
+        acc0 += (*pScr1++ * *pScr2);
+        acc1 += (*pScr1++ * *pScr2);
+        acc2 += (*pScr1++ * *pScr2);
+        acc3 += (*pScr1++ * *pScr2++);
+
+        pScr1 -= 3u;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      blkCnt--;
+
+      /* Store the result in the accumulator in the destination buffer. */
+      out0 = (q7_t) (__SSAT(acc0 >> 7u, 8));
+      out1 = (q7_t) (__SSAT(acc1 >> 7u, 8));
+      out2 = (q7_t) (__SSAT(acc2 >> 7u, 8));
+      out3 = (q7_t) (__SSAT(acc3 >> 7u, 8));
+
+
+      *__SIMD32(pOut)++ = __PACKq7(out0, out1, out2, out3);
+
+      /* Initialization of inputB pointer */
+      pScr2 = py;
+
+      pScratch1 += 4u;
+
+    }
+
+    blkCnt = (numPoints) & 0x3;
+
+    /* Calculate convolution for remaining samples of Bigger length sequence */
+    while(blkCnt > 0)
+    {
+      /* Initialze temporary scratch pointer as scratch1 */
+      pScr1 = pScratch1;
+
+      /* Clear Accumlators */
+      acc0 = 0;
+
+      tapCnt = (srcBLen) >> 1u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read next two samples from scratch1 buffer */
+        x10 = *pScr1++;
+        x11 = *pScr1++;
+
+        /* Read two samples from smaller buffer */
+        y10 = *pScr2++;
+        y11 = *pScr2++;
+
+        /* multiply and accumlate */
+        acc0 += (q31_t) x10 *y10;
+        acc0 += (q31_t) x11 *y11;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      tapCnt = (srcBLen) & 1u;
+
+      /* apply same above for remaining samples of smaller length sequence */
+      while(tapCnt > 0u)
+      {
+
+        /* accumlate the results */
+        acc0 += (*pScr1++ * *pScr2++);
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      blkCnt--;
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q7_t) (__SSAT(acc0 >> 7u, 8));
+
+      /* Initialization of inputB pointer */
+      pScr2 = py;
+
+      pScratch1 += 1u;
+
+    }
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+
+  }
+
+  return (status);
+
+}
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+
+
+/**    
+ * @} end of PartialConv group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_q15.c
new file mode 100644
index 0000000000..83d7cc6219
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_q15.c
@@ -0,0 +1,778 @@
+/* ----------------------------------------------------------------------   
+* Copyright (C) 2010 ARM Limited. All rights reserved.   
+*   
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*   
+* Project: 	    CMSIS DSP Library   
+* Title:		arm_conv_partial_q15.c   
+*   
+* Description:	Partial convolution of Q15 sequences.  
+*   
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+* 
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*  
+* Version 1.0.11 2011/10/18 
+*    Bug Fix in conv, correlation, partial convolution. 
+*
+* Version 1.0.10 2011/7/15 
+*    Big Endian support added and Merged M0 and M3/M4 Source code.  
+*   
+* Version 1.0.3 2010/11/29  
+*    Re-organized the CMSIS folders and updated documentation.   
+*    
+* Version 1.0.2 2010/11/11   
+*    Documentation updated.    
+*   
+* Version 1.0.1 2010/10/05    
+*    Production release and review comments incorporated.   
+*   
+* Version 1.0.0 2010/09/20    
+*    Production release and review comments incorporated   
+*   
+* Version 0.0.7  2010/06/10    
+*    Misra-C changes done   
+*   
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**   
+ * @ingroup groupFilters   
+ */
+
+/**   
+ * @addtogroup PartialConv   
+ * @{   
+ */
+
+/**   
+ * @brief Partial convolution of Q15 sequences.   
+ * @param[in]       *pSrcA points to the first input sequence.   
+ * @param[in]       srcALen length of the first input sequence.   
+ * @param[in]       *pSrcB points to the second input sequence.   
+ * @param[in]       srcBLen length of the second input sequence.   
+ * @param[out]      *pDst points to the location where the output result is written.   
+ * @param[in]       firstIndex is the first output sample to start with.   
+ * @param[in]       numPoints is the number of output points to be computed.   
+ * @return  Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].   
+ *   
+ * Refer to arm_conv_partial_fast_q15() for a faster but less precise version of this function for Cortex-M3 and Cortex-M4.  
+ * 
+ * \par    
+ * Refer the function arm_conv_partial_opt_q15() for a faster implementation of this function using scratch buffers.
+ * 
+ */
+
+
+arm_status arm_conv_partial_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints)
+{
+
+#if (defined(ARM_MATH_CM4) || defined(ARM_MATH_CM3)) && !defined(UNALIGNED_SUPPORT_DISABLE)
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q15_t *pIn1;                                   /* inputA pointer               */
+  q15_t *pIn2;                                   /* inputB pointer               */
+  q15_t *pOut = pDst;                            /* output pointer               */
+  q63_t sum, acc0, acc1, acc2, acc3;             /* Accumulator                  */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  q15_t *pSrc1, *pSrc2;                          /* Intermediate pointers        */
+  q31_t x0, x1, x2, x3, c0;                      /* Temporary input variables */
+  uint32_t j, k, count, check, blkCnt;
+  int32_t blockSize1, blockSize2, blockSize3;    /* loop counter                 */
+  arm_status status;                             /* status of Partial convolution */
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_MATH_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+
+    /* The algorithm implementation is based on the lengths of the inputs. */
+    /* srcB is always made to slide across srcA. */
+    /* So srcBLen is always considered as shorter or equal to srcALen */
+    if(srcALen >= srcBLen)
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcA;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcB;
+    }
+    else
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcB;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcA;
+
+      /* srcBLen is always considered as shorter or equal to srcALen */
+      j = srcBLen;
+      srcBLen = srcALen;
+      srcALen = j;
+    }
+
+    /* Conditions to check which loopCounter holds   
+     * the first and last indices of the output samples to be calculated. */
+    check = firstIndex + numPoints;
+    blockSize3 = ((int32_t) check - (int32_t) srcALen);
+    blockSize3 = (blockSize3 > 0) ? blockSize3 : 0;
+    blockSize1 = (((int32_t) srcBLen - 1) - (int32_t) firstIndex);
+    blockSize1 = (blockSize1 > 0) ? ((check > (srcBLen - 1u)) ? blockSize1 :
+                                     (int32_t) numPoints) : 0;
+    blockSize2 = (int32_t) check - ((blockSize3 + blockSize1) +
+                                    (int32_t) firstIndex);
+    blockSize2 = (blockSize2 > 0) ? blockSize2 : 0;
+
+    /* conv(x,y) at n = x[n] * y[0] + x[n-1] * y[1] + x[n-2] * y[2] + ...+ x[n-N+1] * y[N -1] */
+    /* The function is internally   
+     * divided into three stages according to the number of multiplications that has to be   
+     * taken place between inputA samples and inputB samples. In the first stage of the   
+     * algorithm, the multiplications increase by one for every iteration.   
+     * In the second stage of the algorithm, srcBLen number of multiplications are done.   
+     * In the third stage of the algorithm, the multiplications decrease by one   
+     * for every iteration. */
+
+    /* Set the output pointer to point to the firstIndex   
+     * of the output sample to be calculated. */
+    pOut = pDst + firstIndex;
+
+    /* --------------------------   
+     * Initializations of stage1   
+     * -------------------------*/
+
+    /* sum = x[0] * y[0]   
+     * sum = x[0] * y[1] + x[1] * y[0]   
+     * ....   
+     * sum = x[0] * y[srcBlen - 1] + x[1] * y[srcBlen - 2] +...+ x[srcBLen - 1] * y[0]   
+     */
+
+    /* In this stage the MAC operations are increased by 1 for every iteration.   
+       The count variable holds the number of MAC operations performed.   
+       Since the partial convolution starts from firstIndex   
+       Number of Macs to be performed is firstIndex + 1 */
+    count = 1u + firstIndex;
+
+    /* Working pointer of inputA */
+    px = pIn1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + firstIndex;
+    py = pSrc2;
+
+    /* ------------------------   
+     * Stage1 process   
+     * ----------------------*/
+
+    /* For loop unrolling by 4, this stage is divided into two. */
+    /* First part of this stage computes the MAC operations less than 4 */
+    /* Second part of this stage computes the MAC operations greater than or equal to 4 */
+
+    /* The first part of the stage starts here */
+    while((count < 4u) && (blockSize1 > 0))
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Loop over number of MAC operations between   
+       * inputA samples and inputB samples */
+      k = count;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum = __SMLALD(*px++, *py--, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (__SSAT((sum >> 15), 16));
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      py = ++pSrc2;
+      px = pIn1;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Decrement the loop counter */
+      blockSize1--;
+    }
+
+    /* The second part of the stage starts here */
+    /* The internal loop, over count, is unrolled by 4 */
+    /* To, read the last two inputB samples using SIMD:   
+     * y[srcBLen] and y[srcBLen-1] coefficients, py is decremented by 1 */
+    py = py - 1;
+
+    while(blockSize1 > 0)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        /* x[0], x[1] are multiplied with y[srcBLen - 1], y[srcBLen - 2] respectively */
+        sum = __SMLALDX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+        /* x[2], x[3] are multiplied with y[srcBLen - 3], y[srcBLen - 4] respectively */
+        sum = __SMLALDX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* For the next MAC operations, the pointer py is used without SIMD   
+       * So, py is incremented by 1 */
+      py = py + 1u;
+
+      /* If the count is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = count % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum = __SMLALD(*px++, *py--, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (__SSAT((sum >> 15), 16));
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      py = ++pSrc2 - 1u;
+      px = pIn1;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Decrement the loop counter */
+      blockSize1--;
+    }
+
+    /* --------------------------   
+     * Initializations of stage2   
+     * ------------------------*/
+
+    /* sum = x[0] * y[srcBLen-1] + x[1] * y[srcBLen-2] +...+ x[srcBLen-1] * y[0]   
+     * sum = x[1] * y[srcBLen-1] + x[2] * y[srcBLen-2] +...+ x[srcBLen] * y[0]   
+     * ....   
+     * sum = x[srcALen-srcBLen-2] * y[srcBLen-1] + x[srcALen] * y[srcBLen-2] +...+ x[srcALen-1] * y[0]   
+     */
+
+    /* Working pointer of inputA */
+    px = pIn1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + (srcBLen - 1u);
+    py = pSrc2;
+
+  /* count is the index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+
+  /* --------------------   
+   * Stage2 process   
+   * -------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.   
+   * So, to loop unroll over blockSize2,   
+   * srcBLen should be greater than or equal to 4 */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll over blockSize2, by 4 */
+    blkCnt = blockSize2 >> 2u;
+
+    while(blkCnt > 0u)
+    {
+      py = py - 1u;
+
+      /* Set all accumulators to zero */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+
+      /* read x[0], x[1] samples */
+      x0 = *__SIMD32(px);
+      /* read x[1], x[2] samples */
+      x1 = _SIMD32_OFFSET(px+1);
+	  px+= 2u;
+
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      do
+      {
+        /* Read the last two inputB samples using SIMD:   
+         * y[srcBLen - 1] and y[srcBLen - 2] */
+        c0 = *__SIMD32(py)--;
+
+        /* acc0 +=  x[0] * y[srcBLen - 1] + x[1] * y[srcBLen - 2] */
+        acc0 = __SMLALDX(x0, c0, acc0);
+
+        /* acc1 +=  x[1] * y[srcBLen - 1] + x[2] * y[srcBLen - 2] */
+        acc1 = __SMLALDX(x1, c0, acc1);
+
+        /* Read x[2], x[3] */
+        x2 = *__SIMD32(px);
+
+        /* Read x[3], x[4] */
+        x3 = _SIMD32_OFFSET(px+1);
+
+        /* acc2 +=  x[2] * y[srcBLen - 1] + x[3] * y[srcBLen - 2] */
+        acc2 = __SMLALDX(x2, c0, acc2);
+
+        /* acc3 +=  x[3] * y[srcBLen - 1] + x[4] * y[srcBLen - 2] */
+        acc3 = __SMLALDX(x3, c0, acc3);
+
+        /* Read y[srcBLen - 3] and y[srcBLen - 4] */
+        c0 = *__SIMD32(py)--;
+
+        /* acc0 +=  x[2] * y[srcBLen - 3] + x[3] * y[srcBLen - 4] */
+        acc0 = __SMLALDX(x2, c0, acc0);
+
+        /* acc1 +=  x[3] * y[srcBLen - 3] + x[4] * y[srcBLen - 4] */
+        acc1 = __SMLALDX(x3, c0, acc1);
+
+        /* Read x[4], x[5] */
+        x0 = _SIMD32_OFFSET(px+2);
+
+        /* Read x[5], x[6] */
+        x1 = _SIMD32_OFFSET(px+3);
+		px += 4u;
+
+        /* acc2 +=  x[4] * y[srcBLen - 3] + x[5] * y[srcBLen - 4] */
+        acc2 = __SMLALDX(x0, c0, acc2);
+
+        /* acc3 +=  x[5] * y[srcBLen - 3] + x[6] * y[srcBLen - 4] */
+        acc3 = __SMLALDX(x1, c0, acc3);
+
+      } while(--k);
+
+      /* For the next MAC operations, SIMD is not used   
+       * So, the 16 bit pointer if inputB, py is updated */
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      if(k == 1u)
+      {
+        /* Read y[srcBLen - 5] */
+        c0 = *(py+1);
+
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+
+#else
+
+        c0 = c0 & 0x0000FFFF;
+
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+
+        /* Read x[7] */
+        x3 = *__SIMD32(px);
+		px++;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLALD(x0, c0, acc0);
+        acc1 = __SMLALD(x1, c0, acc1);
+        acc2 = __SMLALDX(x1, c0, acc2);
+        acc3 = __SMLALDX(x3, c0, acc3);
+      }
+
+      if(k == 2u)
+      {
+        /* Read y[srcBLen - 5], y[srcBLen - 6] */
+        c0 = _SIMD32_OFFSET(py);
+
+        /* Read x[7], x[8] */
+        x3 = *__SIMD32(px);
+
+        /* Read x[9] */
+        x2 = _SIMD32_OFFSET(px+1);
+		px += 2u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLALDX(x0, c0, acc0);
+        acc1 = __SMLALDX(x1, c0, acc1);
+        acc2 = __SMLALDX(x3, c0, acc2);
+        acc3 = __SMLALDX(x2, c0, acc3);
+      }
+
+      if(k == 3u)
+      {
+        /* Read y[srcBLen - 5], y[srcBLen - 6] */
+        c0 = _SIMD32_OFFSET(py);
+
+        /* Read x[7], x[8] */
+        x3 = *__SIMD32(px);
+
+        /* Read x[9] */
+        x2 = _SIMD32_OFFSET(px+1);
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLALDX(x0, c0, acc0);
+        acc1 = __SMLALDX(x1, c0, acc1);
+        acc2 = __SMLALDX(x3, c0, acc2);
+        acc3 = __SMLALDX(x2, c0, acc3);
+
+		c0 = *(py-1);
+
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+#else
+
+        c0 = c0 & 0x0000FFFF;
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+
+        /* Read x[10] */
+        x3 =  _SIMD32_OFFSET(px+2);
+		px += 3u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLALDX(x1, c0, acc0);
+        acc1 = __SMLALD(x2, c0, acc1);
+        acc2 = __SMLALDX(x2, c0, acc2);
+        acc3 = __SMLALDX(x3, c0, acc3);
+      }
+
+
+      /* Store the results in the accumulators in the destination buffer. */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc0 >> 15), 16), __SSAT((acc1 >> 15), 16), 16);
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc2 >> 15), 16), __SSAT((acc3 >> 15), 16), 16);
+
+#else
+
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc1 >> 15), 16), __SSAT((acc0 >> 15), 16), 16);
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc3 >> 15), 16), __SSAT((acc2 >> 15), 16), 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+      /* Increment the pointer pIn1 index, count by 4 */
+      count += 4u;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+
+      /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.   
+       ** No loop unrolling is used. */
+      blkCnt = (uint32_t) blockSize2 % 0x4u;
+  	  
+      while(blkCnt > 0u)
+      {
+        /* Accumulator is made zero for every iteration */
+        sum = 0;
+
+        /* Apply loop unrolling and compute 4 MACs simultaneously. */
+        k = srcBLen >> 2u;
+
+        /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+         ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulates */
+          sum += (q63_t) ((q31_t) * px++ * *py--);
+          sum += (q63_t) ((q31_t) * px++ * *py--);
+          sum += (q63_t) ((q31_t) * px++ * *py--);
+          sum += (q63_t) ((q31_t) * px++ * *py--);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+         ** No loop unrolling is used. */
+        k = srcBLen % 0x4u;
+
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulates */
+          sum += (q63_t) ((q31_t) * px++ * *py--);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = (q15_t) (__SSAT(sum >> 15, 16));
+
+        /* Increment the pointer pIn1 index, count by 1 */
+        count++;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+    }
+    else
+    {
+      /* If the srcBLen is not a multiple of 4,   
+       * the blockSize2 loop cannot be unrolled by 4 */
+      blkCnt = (uint32_t) blockSize2;
+
+      while(blkCnt > 0u)
+      {
+        /* Accumulator is made zero for every iteration */
+        sum = 0;
+
+        /* srcBLen number of MACS should be performed */
+        k = srcBLen;
+
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulate */
+          sum += (q63_t) ((q31_t) * px++ * *py--);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = (q15_t) (__SSAT(sum >> 15, 16));
+
+        /* Increment the MAC count */
+        count++;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+  
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+    }
+
+
+    /* --------------------------   
+     * Initializations of stage3   
+     * -------------------------*/
+
+    /* sum += x[srcALen-srcBLen+1] * y[srcBLen-1] + x[srcALen-srcBLen+2] * y[srcBLen-2] +...+ x[srcALen-1] * y[1]   
+     * sum += x[srcALen-srcBLen+2] * y[srcBLen-1] + x[srcALen-srcBLen+3] * y[srcBLen-2] +...+ x[srcALen-1] * y[2]   
+     * ....   
+     * sum +=  x[srcALen-2] * y[srcBLen-1] + x[srcALen-1] * y[srcBLen-2]   
+     * sum +=  x[srcALen-1] * y[srcBLen-1]   
+     */
+
+    /* In this stage the MAC operations are decreased by 1 for every iteration.   
+       The count variable holds the number of MAC operations performed */
+    count = srcBLen - 1u;
+
+    /* Working pointer of inputA */
+    pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+    px = pSrc1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + (srcBLen - 1u);
+    pIn2 = pSrc2 - 1u;
+    py = pIn2;
+
+    /* -------------------   
+     * Stage3 process   
+     * ------------------*/
+
+    /* For loop unrolling by 4, this stage is divided into two. */
+    /* First part of this stage computes the MAC operations greater than 4 */
+    /* Second part of this stage computes the MAC operations less than or equal to 4 */
+
+    /* The first part of the stage starts here */
+    j = count >> 2u;
+
+    while((j > 0u) && (blockSize3 > 0))
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* x[srcALen - srcBLen + 1], x[srcALen - srcBLen + 2] are multiplied   
+         * with y[srcBLen - 1], y[srcBLen - 2] respectively */
+        sum = __SMLALDX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+        /* x[srcALen - srcBLen + 3], x[srcALen - srcBLen + 4] are multiplied   
+         * with y[srcBLen - 3], y[srcBLen - 4] respectively */
+        sum = __SMLALDX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* For the next MAC operations, the pointer py is used without SIMD   
+       * So, py is incremented by 1 */
+      py = py + 1u;
+
+      /* If the count is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = count % 0x4u;
+
+      while(k > 0u)
+      {
+        /* sum += x[srcALen - srcBLen + 5] * y[srcBLen - 5] */
+        sum = __SMLALD(*px++, *py--, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (__SSAT((sum >> 15), 16));
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = ++pSrc1;
+      py = pIn2;
+
+      /* Decrement the MAC count */
+      count--;
+
+      /* Decrement the loop counter */
+      blockSize3--;
+
+      j--;
+    }
+
+    /* The second part of the stage starts here */
+    /* SIMD is not used for the next MAC operations,   
+     * so pointer py is updated to read only one sample at a time */
+    py = py + 1u;
+
+    while(blockSize3 > 0)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        /* sum +=  x[srcALen-1] * y[srcBLen-1] */
+        sum = __SMLALD(*px++, *py--, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (__SSAT((sum >> 15), 16));
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = ++pSrc1;
+      py = pSrc2;
+
+      /* Decrement the MAC count */
+      count--;
+
+      /* Decrement the loop counter */
+      blockSize3--;
+    }
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q15_t *pIn1 = pSrcA;                           /* inputA pointer */
+  q15_t *pIn2 = pSrcB;                           /* inputB pointer */
+  q63_t sum;                                     /* Accumulator */
+  uint32_t i, j;                                 /* loop counters */
+  arm_status status;                             /* status of Partial convolution */
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+    /* Loop to calculate convolution for output length number of values */
+    for (i = firstIndex; i <= (firstIndex + numPoints - 1); i++)
+    {
+      /* Initialize sum with zero to carry on MAC operations */
+      sum = 0;
+
+      /* Loop to perform MAC operations according to convolution equation */
+      for (j = 0; j <= i; j++)
+      {
+        /* Check the array limitations */
+        if(((i - j) < srcBLen) && (j < srcALen))
+        {
+          /* z[i] += x[i-j] * y[j] */
+          sum += ((q31_t) pIn1[j] * (pIn2[i - j]));
+        }
+      }
+
+      /* Store the output in the destination buffer */
+      pDst[i] = (q15_t) __SSAT((sum >> 15u), 16u);
+    }
+    /* set status as ARM_SUCCESS as there are no argument errors */
+    status = ARM_MATH_SUCCESS;
+  }
+  return (status);
+
+#endif /* #if (defined(ARM_MATH_CM4) || defined(ARM_MATH_CM3)) && !defined(UNALIGNED_SUPPORT_DISABLE)  */
+
+}
+
+/**   
+ * @} end of PartialConv group   
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_q31.c
new file mode 100644
index 0000000000..89c98be966
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_q31.c
@@ -0,0 +1,599 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_conv_partial_q31.c    
+*    
+* Description:	Partial convolution of Q31 sequences.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*  
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+*    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup PartialConv    
+ * @{    
+ */
+
+/**    
+ * @brief Partial convolution of Q31 sequences.    
+ * @param[in]       *pSrcA points to the first input sequence.    
+ * @param[in]       srcALen length of the first input sequence.    
+ * @param[in]       *pSrcB points to the second input sequence.    
+ * @param[in]       srcBLen length of the second input sequence.    
+ * @param[out]      *pDst points to the location where the output result is written.    
+ * @param[in]       firstIndex is the first output sample to start with.    
+ * @param[in]       numPoints is the number of output points to be computed.    
+ * @return Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].    
+ *    
+ * See arm_conv_partial_fast_q31() for a faster but less precise implementation of this function for Cortex-M3 and Cortex-M4.    
+ */
+
+arm_status arm_conv_partial_q31(
+  q31_t * pSrcA,
+  uint32_t srcALen,
+  q31_t * pSrcB,
+  uint32_t srcBLen,
+  q31_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints)
+{
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t *pIn1;                                   /* inputA pointer               */
+  q31_t *pIn2;                                   /* inputB pointer               */
+  q31_t *pOut = pDst;                            /* output pointer               */
+  q31_t *px;                                     /* Intermediate inputA pointer  */
+  q31_t *py;                                     /* Intermediate inputB pointer  */
+  q31_t *pSrc1, *pSrc2;                          /* Intermediate pointers        */
+  q63_t sum, acc0, acc1, acc2;                   /* Accumulator                  */
+  q31_t x0, x1, x2, c0;
+  uint32_t j, k, count, check, blkCnt;
+  int32_t blockSize1, blockSize2, blockSize3;    /* loop counter                 */
+  arm_status status;                             /* status of Partial convolution */
+
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_MATH_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+
+    /* The algorithm implementation is based on the lengths of the inputs. */
+    /* srcB is always made to slide across srcA. */
+    /* So srcBLen is always considered as shorter or equal to srcALen */
+    if(srcALen >= srcBLen)
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcA;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcB;
+    }
+    else
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcB;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcA;
+
+      /* srcBLen is always considered as shorter or equal to srcALen */
+      j = srcBLen;
+      srcBLen = srcALen;
+      srcALen = j;
+    }
+
+    /* Conditions to check which loopCounter holds    
+     * the first and last indices of the output samples to be calculated. */
+    check = firstIndex + numPoints;
+    blockSize3 = ((int32_t) check - (int32_t) srcALen);
+    blockSize3 = (blockSize3 > 0) ? blockSize3 : 0;
+    blockSize1 = (((int32_t) srcBLen - 1) - (int32_t) firstIndex);
+    blockSize1 = (blockSize1 > 0) ? ((check > (srcBLen - 1u)) ? blockSize1 :
+                                     (int32_t) numPoints) : 0;
+    blockSize2 = (int32_t) check - ((blockSize3 + blockSize1) +
+                                    (int32_t) firstIndex);
+    blockSize2 = (blockSize2 > 0) ? blockSize2 : 0;
+
+    /* conv(x,y) at n = x[n] * y[0] + x[n-1] * y[1] + x[n-2] * y[2] + ...+ x[n-N+1] * y[N -1] */
+    /* The function is internally    
+     * divided into three stages according to the number of multiplications that has to be    
+     * taken place between inputA samples and inputB samples. In the first stage of the    
+     * algorithm, the multiplications increase by one for every iteration.    
+     * In the second stage of the algorithm, srcBLen number of multiplications are done.    
+     * In the third stage of the algorithm, the multiplications decrease by one    
+     * for every iteration. */
+
+    /* Set the output pointer to point to the firstIndex    
+     * of the output sample to be calculated. */
+    pOut = pDst + firstIndex;
+
+    /* --------------------------    
+     * Initializations of stage1    
+     * -------------------------*/
+
+    /* sum = x[0] * y[0]    
+     * sum = x[0] * y[1] + x[1] * y[0]    
+     * ....    
+     * sum = x[0] * y[srcBlen - 1] + x[1] * y[srcBlen - 2] +...+ x[srcBLen - 1] * y[0]    
+     */
+
+    /* In this stage the MAC operations are increased by 1 for every iteration.    
+       The count variable holds the number of MAC operations performed.    
+       Since the partial convolution starts from firstIndex    
+       Number of Macs to be performed is firstIndex + 1 */
+    count = 1u + firstIndex;
+
+    /* Working pointer of inputA */
+    px = pIn1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + firstIndex;
+    py = pSrc2;
+
+    /* ------------------------    
+     * Stage1 process    
+     * ----------------------*/
+
+    /* The first loop starts here */
+    while(blockSize1 > 0)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* x[0] * y[srcBLen - 1] */
+        sum += (q63_t) * px++ * (*py--);
+        /* x[1] * y[srcBLen - 2] */
+        sum += (q63_t) * px++ * (*py--);
+        /* x[2] * y[srcBLen - 3] */
+        sum += (q63_t) * px++ * (*py--);
+        /* x[3] * y[srcBLen - 4] */
+        sum += (q63_t) * px++ * (*py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the count is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = count % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += (q63_t) * px++ * (*py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q31_t) (sum >> 31);
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      py = ++pSrc2;
+      px = pIn1;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Decrement the loop counter */
+      blockSize1--;
+    }
+
+    /* --------------------------    
+     * Initializations of stage2    
+     * ------------------------*/
+
+    /* sum = x[0] * y[srcBLen-1] + x[1] * y[srcBLen-2] +...+ x[srcBLen-1] * y[0]    
+     * sum = x[1] * y[srcBLen-1] + x[2] * y[srcBLen-2] +...+ x[srcBLen] * y[0]    
+     * ....    
+     * sum = x[srcALen-srcBLen-2] * y[srcBLen-1] + x[srcALen] * y[srcBLen-2] +...+ x[srcALen-1] * y[0]    
+     */
+
+    /* Working pointer of inputA */
+    px = pIn1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + (srcBLen - 1u);
+    py = pSrc2;
+
+    /* count is index by which the pointer pIn1 to be incremented */
+    count = 0u;
+
+    /* -------------------    
+     * Stage2 process    
+     * ------------------*/
+
+    /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.    
+     * So, to loop unroll over blockSize2,    
+     * srcBLen should be greater than or equal to 4 */
+    if(srcBLen >= 4u)
+    {
+      /* Loop unroll over blkCnt */
+
+      blkCnt = blockSize2 / 3;
+      while(blkCnt > 0u)
+      {
+        /* Set all accumulators to zero */
+        acc0 = 0;
+        acc1 = 0;
+        acc2 = 0;
+
+        /* read x[0], x[1] samples */
+        x0 = *(px++);
+        x1 = *(px++);
+
+        /* Apply loop unrolling and compute 3 MACs simultaneously. */
+        k = srcBLen / 3;
+
+        /* First part of the processing with loop unrolling.  Compute 3 MACs at a time.        
+         ** a second loop below computes MACs for the remaining 1 to 2 samples. */
+        do
+        {
+          /* Read y[srcBLen - 1] sample */
+          c0 = *(py);
+
+          /* Read x[2] sample */
+          x2 = *(px);
+
+          /* Perform the multiply-accumulates */
+          /* acc0 +=  x[0] * y[srcBLen - 1] */
+          acc0 += (q63_t) x0 *c0;
+          /* acc1 +=  x[1] * y[srcBLen - 1] */
+          acc1 += (q63_t) x1 *c0;
+          /* acc2 +=  x[2] * y[srcBLen - 1] */
+          acc2 += (q63_t) x2 *c0;
+
+          /* Read y[srcBLen - 2] sample */
+          c0 = *(py - 1u);
+
+          /* Read x[3] sample */
+          x0 = *(px + 1u);
+
+          /* Perform the multiply-accumulate */
+          /* acc0 +=  x[1] * y[srcBLen - 2] */
+          acc0 += (q63_t) x1 *c0;
+          /* acc1 +=  x[2] * y[srcBLen - 2] */
+          acc1 += (q63_t) x2 *c0;
+          /* acc2 +=  x[3] * y[srcBLen - 2] */
+          acc2 += (q63_t) x0 *c0;
+
+          /* Read y[srcBLen - 3] sample */
+          c0 = *(py - 2u);
+
+          /* Read x[4] sample */
+          x1 = *(px + 2u);
+
+          /* Perform the multiply-accumulates */
+          /* acc0 +=  x[2] * y[srcBLen - 3] */
+          acc0 += (q63_t) x2 *c0;
+          /* acc1 +=  x[3] * y[srcBLen - 2] */
+          acc1 += (q63_t) x0 *c0;
+          /* acc2 +=  x[4] * y[srcBLen - 2] */
+          acc2 += (q63_t) x1 *c0;
+
+
+          px += 3u;
+
+          py -= 3u;
+
+        } while(--k);
+
+        /* If the srcBLen is not a multiple of 3, compute any remaining MACs here.        
+         ** No loop unrolling is used. */
+        k = srcBLen - (3 * (srcBLen / 3));
+
+        while(k > 0u)
+        {
+          /* Read y[srcBLen - 5] sample */
+          c0 = *(py--);
+
+          /* Read x[7] sample */
+          x2 = *(px++);
+
+          /* Perform the multiply-accumulates */
+          /* acc0 +=  x[4] * y[srcBLen - 5] */
+          acc0 += (q63_t) x0 *c0;
+          /* acc1 +=  x[5] * y[srcBLen - 5] */
+          acc1 += (q63_t) x1 *c0;
+          /* acc2 +=  x[6] * y[srcBLen - 5] */
+          acc2 += (q63_t) x2 *c0;
+
+          /* Reuse the present samples for the next MAC */
+          x0 = x1;
+          x1 = x2;
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = (q31_t) (acc0 >> 31);
+        *pOut++ = (q31_t) (acc1 >> 31);
+        *pOut++ = (q31_t) (acc2 >> 31);
+
+        /* Increment the pointer pIn1 index, count by 3 */
+        count += 3u;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+
+      /* If the blockSize2 is not a multiple of 3, compute any remaining output samples here.        
+       ** No loop unrolling is used. */
+      blkCnt = blockSize2 - 3 * (blockSize2 / 3);
+
+      while(blkCnt > 0u)
+      {
+        /* Accumulator is made zero for every iteration */
+        sum = 0;
+
+        /* Apply loop unrolling and compute 4 MACs simultaneously. */
+        k = srcBLen >> 2u;
+
+        /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+         ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulates */
+          sum += (q63_t) * px++ * (*py--);
+          sum += (q63_t) * px++ * (*py--);
+          sum += (q63_t) * px++ * (*py--);
+          sum += (q63_t) * px++ * (*py--);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+         ** No loop unrolling is used. */
+        k = srcBLen % 0x4u;
+
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulate */
+          sum += (q63_t) * px++ * (*py--);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = (q31_t) (sum >> 31);
+
+        /* Increment the MAC count */
+        count++;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+    }
+    else
+    {
+      /* If the srcBLen is not a multiple of 4,    
+       * the blockSize2 loop cannot be unrolled by 4 */
+      blkCnt = (uint32_t) blockSize2;
+
+      while(blkCnt > 0u)
+      {
+        /* Accumulator is made zero for every iteration */
+        sum = 0;
+
+        /* srcBLen number of MACS should be performed */
+        k = srcBLen;
+
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulate */
+          sum += (q63_t) * px++ * (*py--);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = (q31_t) (sum >> 31);
+
+        /* Increment the MAC count */
+        count++;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+    }
+
+
+    /* --------------------------    
+     * Initializations of stage3    
+     * -------------------------*/
+
+    /* sum += x[srcALen-srcBLen+1] * y[srcBLen-1] + x[srcALen-srcBLen+2] * y[srcBLen-2] +...+ x[srcALen-1] * y[1]    
+     * sum += x[srcALen-srcBLen+2] * y[srcBLen-1] + x[srcALen-srcBLen+3] * y[srcBLen-2] +...+ x[srcALen-1] * y[2]    
+     * ....    
+     * sum +=  x[srcALen-2] * y[srcBLen-1] + x[srcALen-1] * y[srcBLen-2]    
+     * sum +=  x[srcALen-1] * y[srcBLen-1]    
+     */
+
+    /* In this stage the MAC operations are decreased by 1 for every iteration.    
+       The blockSize3 variable holds the number of MAC operations performed */
+    count = srcBLen - 1u;
+
+    /* Working pointer of inputA */
+    pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+    px = pSrc1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + (srcBLen - 1u);
+    py = pSrc2;
+
+    /* -------------------    
+     * Stage3 process    
+     * ------------------*/
+
+    while(blockSize3 > 0)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        sum += (q63_t) * px++ * (*py--);
+        sum += (q63_t) * px++ * (*py--);
+        sum += (q63_t) * px++ * (*py--);
+        sum += (q63_t) * px++ * (*py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the blockSize3 is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = count % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += (q63_t) * px++ * (*py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q31_t) (sum >> 31);
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = ++pSrc1;
+      py = pSrc2;
+
+      /* Decrement the MAC count */
+      count--;
+
+      /* Decrement the loop counter */
+      blockSize3--;
+
+    }
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q31_t *pIn1 = pSrcA;                           /* inputA pointer */
+  q31_t *pIn2 = pSrcB;                           /* inputB pointer */
+  q63_t sum;                                     /* Accumulator */
+  uint32_t i, j;                                 /* loop counters */
+  arm_status status;                             /* status of Partial convolution */
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+    /* Loop to calculate convolution for output length number of values */
+    for (i = firstIndex; i <= (firstIndex + numPoints - 1); i++)
+    {
+      /* Initialize sum with zero to carry on MAC operations */
+      sum = 0;
+
+      /* Loop to perform MAC operations according to convolution equation */
+      for (j = 0; j <= i; j++)
+      {
+        /* Check the array limitations */
+        if(((i - j) < srcBLen) && (j < srcALen))
+        {
+          /* z[i] += x[i-j] * y[j] */
+          sum += ((q63_t) pIn1[j] * (pIn2[i - j]));
+        }
+      }
+
+      /* Store the output in the destination buffer */
+      pDst[i] = (q31_t) (sum >> 31u);
+    }
+    /* set status as ARM_SUCCESS as there are no argument errors */
+    status = ARM_MATH_SUCCESS;
+  }
+  return (status);
+
+#endif /*    #ifndef ARM_MATH_CM0      */
+
+}
+
+/**    
+ * @} end of PartialConv group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_q7.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_q7.c
new file mode 100644
index 0000000000..b532669947
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_partial_q7.c
@@ -0,0 +1,733 @@
+/* ----------------------------------------------------------------------   
+* Copyright (C) 2010 ARM Limited. All rights reserved.   
+*   
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*   
+* Project: 	    CMSIS DSP Library   
+* Title:		arm_conv_partial_q7.c   
+*   
+* Description:	Partial convolution of Q7 sequences.   
+*   
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*  
+* Version 1.0.11 2011/10/18 
+*    Bug Fix in conv, correlation, partial convolution. 
+*
+* Version 1.0.10 2011/7/15 
+*    Big Endian support added and Merged M0 and M3/M4 Source code.  
+*   
+* Version 1.0.3 2010/11/29  
+*    Re-organized the CMSIS folders and updated documentation.   
+*    
+* Version 1.0.2 2010/11/11   
+*    Documentation updated.    
+*   
+* Version 1.0.1 2010/10/05    
+*    Production release and review comments incorporated.   
+*   
+* Version 1.0.0 2010/09/20    
+*    Production release and review comments incorporated   
+*   
+* Version 0.0.7  2010/06/10    
+*    Misra-C changes done   
+*   
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**   
+ * @ingroup groupFilters   
+ */
+
+/**   
+ * @addtogroup PartialConv   
+ * @{   
+ */
+
+/**   
+ * @brief Partial convolution of Q7 sequences.   
+ * @param[in]       *pSrcA points to the first input sequence.   
+ * @param[in]       srcALen length of the first input sequence.   
+ * @param[in]       *pSrcB points to the second input sequence.   
+ * @param[in]       srcBLen length of the second input sequence.   
+ * @param[out]      *pDst points to the location where the output result is written.   
+ * @param[in]       firstIndex is the first output sample to start with.   
+ * @param[in]       numPoints is the number of output points to be computed.   
+ * @return  Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].   
+ *  
+ * \par    
+ * Refer the function arm_conv_partial_opt_q7() for a faster implementation of this function.
+ *  
+ */
+
+arm_status arm_conv_partial_q7(
+  q7_t * pSrcA,
+  uint32_t srcALen,
+  q7_t * pSrcB,
+  uint32_t srcBLen,
+  q7_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints)
+{
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q7_t *pIn1;                                    /* inputA pointer */
+  q7_t *pIn2;                                    /* inputB pointer */
+  q7_t *pOut = pDst;                             /* output pointer */
+  q7_t *px;                                      /* Intermediate inputA pointer */
+  q7_t *py;                                      /* Intermediate inputB pointer */
+  q7_t *pSrc1, *pSrc2;                           /* Intermediate pointers */
+  q31_t sum, acc0, acc1, acc2, acc3;             /* Accumulator */
+  q31_t input1, input2;
+  q15_t in1, in2;
+  q7_t x0, x1, x2, x3, c0, c1;
+  uint32_t j, k, count, check, blkCnt;
+  int32_t blockSize1, blockSize2, blockSize3;    /* loop counter */
+  arm_status status;
+
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_MATH_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+
+    /* The algorithm implementation is based on the lengths of the inputs. */
+    /* srcB is always made to slide across srcA. */
+    /* So srcBLen is always considered as shorter or equal to srcALen */
+    if(srcALen >= srcBLen)
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcA;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcB;
+    }
+    else
+    {
+      /* Initialization of inputA pointer */
+      pIn1 = pSrcB;
+
+      /* Initialization of inputB pointer */
+      pIn2 = pSrcA;
+
+      /* srcBLen is always considered as shorter or equal to srcALen */
+      j = srcBLen;
+      srcBLen = srcALen;
+      srcALen = j;
+    }
+
+    /* Conditions to check which loopCounter holds   
+     * the first and last indices of the output samples to be calculated. */
+    check = firstIndex + numPoints;
+    blockSize3 = ((int32_t) check - (int32_t) srcALen);
+    blockSize3 = (blockSize3 > 0) ? blockSize3 : 0;
+    blockSize1 = (((int32_t) srcBLen - 1) - (int32_t) firstIndex);
+    blockSize1 = (blockSize1 > 0) ? ((check > (srcBLen - 1u)) ? blockSize1 :
+                                     (int32_t) numPoints) : 0;
+    blockSize2 = (int32_t) check - ((blockSize3 + blockSize1) +
+                                    (int32_t) firstIndex);
+    blockSize2 = (blockSize2 > 0) ? blockSize2 : 0;
+
+    /* conv(x,y) at n = x[n] * y[0] + x[n-1] * y[1] + x[n-2] * y[2] + ...+ x[n-N+1] * y[N -1] */
+    /* The function is internally   
+     * divided into three stages according to the number of multiplications that has to be   
+     * taken place between inputA samples and inputB samples. In the first stage of the   
+     * algorithm, the multiplications increase by one for every iteration.   
+     * In the second stage of the algorithm, srcBLen number of multiplications are done.   
+     * In the third stage of the algorithm, the multiplications decrease by one   
+     * for every iteration. */
+
+    /* Set the output pointer to point to the firstIndex   
+     * of the output sample to be calculated. */
+    pOut = pDst + firstIndex;
+
+    /* --------------------------   
+     * Initializations of stage1   
+     * -------------------------*/
+
+    /* sum = x[0] * y[0]   
+     * sum = x[0] * y[1] + x[1] * y[0]   
+     * ....   
+     * sum = x[0] * y[srcBlen - 1] + x[1] * y[srcBlen - 2] +...+ x[srcBLen - 1] * y[0]   
+     */
+
+    /* In this stage the MAC operations are increased by 1 for every iteration.   
+       The count variable holds the number of MAC operations performed.   
+       Since the partial convolution starts from from firstIndex   
+       Number of Macs to be performed is firstIndex + 1 */
+    count = 1u + firstIndex;
+
+    /* Working pointer of inputA */
+    px = pIn1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + firstIndex;
+    py = pSrc2;
+
+    /* ------------------------   
+     * Stage1 process   
+     * ----------------------*/
+
+    /* The first stage starts here */
+    while(blockSize1 > 0)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* x[0] , x[1] */
+        in1 = (q15_t) * px++;
+        in2 = (q15_t) * px++;
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* y[srcBLen - 1] , y[srcBLen - 2] */
+        in1 = (q15_t) * py--;
+        in2 = (q15_t) * py--;
+        input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* x[0] * y[srcBLen - 1] */
+        /* x[1] * y[srcBLen - 2] */
+        sum = __SMLAD(input1, input2, sum);
+
+        /* x[2] , x[3] */
+        in1 = (q15_t) * px++;
+        in2 = (q15_t) * px++;
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* y[srcBLen - 3] , y[srcBLen - 4] */
+        in1 = (q15_t) * py--;
+        in2 = (q15_t) * py--;
+        input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* x[2] * y[srcBLen - 3] */
+        /* x[3] * y[srcBLen - 4] */
+        sum = __SMLAD(input1, input2, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the count is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = count % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q7_t) (__SSAT(sum >> 7, 8));
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      py = ++pSrc2;
+      px = pIn1;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Decrement the loop counter */
+      blockSize1--;
+    }
+
+    /* --------------------------   
+     * Initializations of stage2   
+     * ------------------------*/
+
+    /* sum = x[0] * y[srcBLen-1] + x[1] * y[srcBLen-2] +...+ x[srcBLen-1] * y[0]   
+     * sum = x[1] * y[srcBLen-1] + x[2] * y[srcBLen-2] +...+ x[srcBLen] * y[0]   
+     * ....   
+     * sum = x[srcALen-srcBLen-2] * y[srcBLen-1] + x[srcALen] * y[srcBLen-2] +...+ x[srcALen-1] * y[0]   
+     */
+
+    /* Working pointer of inputA */
+    px = pIn1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + (srcBLen - 1u);
+    py = pSrc2;
+
+    /* count is index by which the pointer pIn1 to be incremented */
+    count = 0u;
+
+    /* -------------------   
+     * Stage2 process   
+     * ------------------*/
+
+    /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.   
+     * So, to loop unroll over blockSize2,   
+     * srcBLen should be greater than or equal to 4 */
+    if(srcBLen >= 4u)
+    {
+      /* Loop unroll over blockSize2, by 4 */
+      blkCnt = ((uint32_t) blockSize2 >> 2u);
+
+      while(blkCnt > 0u)
+      {
+        /* Set all accumulators to zero */
+        acc0 = 0;
+        acc1 = 0;
+        acc2 = 0;
+        acc3 = 0;
+
+        /* read x[0], x[1], x[2] samples */
+        x0 = *(px++);
+        x1 = *(px++);
+        x2 = *(px++);
+
+        /* Apply loop unrolling and compute 4 MACs simultaneously. */
+        k = srcBLen >> 2u;
+
+        /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+         ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+        do
+        {
+          /* Read y[srcBLen - 1] sample */
+          c0 = *(py--);
+          /* Read y[srcBLen - 2] sample */
+          c1 = *(py--);
+
+          /* Read x[3] sample */
+          x3 = *(px++);
+
+          /* x[0] and x[1] are packed */
+          in1 = (q15_t) x0;
+          in2 = (q15_t) x1;
+
+          input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+          /* y[srcBLen - 1]   and y[srcBLen - 2] are packed */
+          in1 = (q15_t) c0;
+          in2 = (q15_t) c1;
+
+          input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+          /* acc0 += x[0] * y[srcBLen - 1] + x[1] * y[srcBLen - 2]  */
+          acc0 = __SMLAD(input1, input2, acc0);
+
+          /* x[1] and x[2] are packed */
+          in1 = (q15_t) x1;
+          in2 = (q15_t) x2;
+
+          input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+          /* acc1 += x[1] * y[srcBLen - 1] + x[2] * y[srcBLen - 2]  */
+          acc1 = __SMLAD(input1, input2, acc1);
+
+          /* x[2] and x[3] are packed */
+          in1 = (q15_t) x2;
+          in2 = (q15_t) x3;
+
+          input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+          /* acc2 += x[2] * y[srcBLen - 1] + x[3] * y[srcBLen - 2]  */
+          acc2 = __SMLAD(input1, input2, acc2);
+
+          /* Read x[4] sample */
+          x0 = *(px++);
+
+          /* x[3] and x[4] are packed */
+          in1 = (q15_t) x3;
+          in2 = (q15_t) x0;
+
+          input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+          /* acc3 += x[3] * y[srcBLen - 1] + x[4] * y[srcBLen - 2]  */
+          acc3 = __SMLAD(input1, input2, acc3);
+
+          /* Read y[srcBLen - 3] sample */
+          c0 = *(py--);
+          /* Read y[srcBLen - 4] sample */
+          c1 = *(py--);
+
+          /* Read x[5] sample */
+          x1 = *(px++);
+
+          /* x[2] and x[3] are packed */
+          in1 = (q15_t) x2;
+          in2 = (q15_t) x3;
+
+          input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+          /* y[srcBLen - 3] and y[srcBLen - 4] are packed */
+          in1 = (q15_t) c0;
+          in2 = (q15_t) c1;
+
+          input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+          /* acc0 += x[2] * y[srcBLen - 3] + x[3] * y[srcBLen - 4]  */
+          acc0 = __SMLAD(input1, input2, acc0);
+
+          /* x[3] and x[4] are packed */
+          in1 = (q15_t) x3;
+          in2 = (q15_t) x0;
+
+          input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+          /* acc1 += x[3] * y[srcBLen - 3] + x[4] * y[srcBLen - 4]  */
+          acc1 = __SMLAD(input1, input2, acc1);
+
+          /* x[4] and x[5] are packed */
+          in1 = (q15_t) x0;
+          in2 = (q15_t) x1;
+
+          input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+          /* acc2 += x[4] * y[srcBLen - 3] + x[5] * y[srcBLen - 4]  */
+          acc2 = __SMLAD(input1, input2, acc2);
+
+          /* Read x[6] sample */
+          x2 = *(px++);
+
+          /* x[5] and x[6] are packed */
+          in1 = (q15_t) x1;
+          in2 = (q15_t) x2;
+
+          input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+          /* acc3 += x[5] * y[srcBLen - 3] + x[6] * y[srcBLen - 4]  */
+          acc3 = __SMLAD(input1, input2, acc3);
+
+        } while(--k);
+
+        /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+         ** No loop unrolling is used. */
+        k = srcBLen % 0x4u;
+
+        while(k > 0u)
+        {
+          /* Read y[srcBLen - 5] sample */
+          c0 = *(py--);
+
+          /* Read x[7] sample */
+          x3 = *(px++);
+
+          /* Perform the multiply-accumulates */
+          /* acc0 +=  x[4] * y[srcBLen - 5] */
+          acc0 += ((q31_t) x0 * c0);
+          /* acc1 +=  x[5] * y[srcBLen - 5] */
+          acc1 += ((q31_t) x1 * c0);
+          /* acc2 +=  x[6] * y[srcBLen - 5] */
+          acc2 += ((q31_t) x2 * c0);
+          /* acc3 +=  x[7] * y[srcBLen - 5] */
+          acc3 += ((q31_t) x3 * c0);
+
+          /* Reuse the present samples for the next MAC */
+          x0 = x1;
+          x1 = x2;
+          x2 = x3;
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = (q7_t) (__SSAT(acc0 >> 7, 8));
+        *pOut++ = (q7_t) (__SSAT(acc1 >> 7, 8));
+        *pOut++ = (q7_t) (__SSAT(acc2 >> 7, 8));
+        *pOut++ = (q7_t) (__SSAT(acc3 >> 7, 8));
+
+        /* Increment the pointer pIn1 index, count by 4 */
+        count += 4u;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+
+      /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.   
+       ** No loop unrolling is used. */
+      blkCnt = (uint32_t) blockSize2 % 0x4u;
+
+      while(blkCnt > 0u)
+      {
+        /* Accumulator is made zero for every iteration */
+        sum = 0;
+
+        /* Apply loop unrolling and compute 4 MACs simultaneously. */
+        k = srcBLen >> 2u;
+
+        /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+         ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+        while(k > 0u)
+        {
+
+          /* Reading two inputs of SrcA buffer and packing */
+          in1 = (q15_t) * px++;
+          in2 = (q15_t) * px++;
+          input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+          /* Reading two inputs of SrcB buffer and packing */
+          in1 = (q15_t) * py--;
+          in2 = (q15_t) * py--;
+          input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+          /* Perform the multiply-accumulates */
+          sum = __SMLAD(input1, input2, sum);
+
+          /* Reading two inputs of SrcA buffer and packing */
+          in1 = (q15_t) * px++;
+          in2 = (q15_t) * px++;
+          input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+          /* Reading two inputs of SrcB buffer and packing */
+          in1 = (q15_t) * py--;
+          in2 = (q15_t) * py--;
+          input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+          /* Perform the multiply-accumulates */
+          sum = __SMLAD(input1, input2, sum);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+         ** No loop unrolling is used. */
+        k = srcBLen % 0x4u;
+
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulates */
+          sum += ((q31_t) * px++ * *py--);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = (q7_t) (__SSAT(sum >> 7, 8));
+
+        /* Increment the pointer pIn1 index, count by 1 */
+ 	    count++;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+      	px = pIn1 + count;
+        py = pSrc2;	
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+    }
+    else
+    {
+      /* If the srcBLen is not a multiple of 4,   
+       * the blockSize2 loop cannot be unrolled by 4 */
+      blkCnt = (uint32_t) blockSize2;
+
+      while(blkCnt > 0u)
+      {
+        /* Accumulator is made zero for every iteration */
+        sum = 0;
+
+        /* srcBLen number of MACS should be performed */
+        k = srcBLen;
+
+        while(k > 0u)
+        {
+          /* Perform the multiply-accumulate */
+          sum += ((q31_t) * px++ * *py--);
+
+          /* Decrement the loop counter */
+          k--;
+        }
+
+        /* Store the result in the accumulator in the destination buffer. */
+        *pOut++ = (q7_t) (__SSAT(sum >> 7, 8));
+
+        /* Increment the MAC count */
+        count++;
+
+        /* Update the inputA and inputB pointers for next MAC calculation */
+        px = pIn1 + count;
+        py = pSrc2;
+
+        /* Decrement the loop counter */
+        blkCnt--;
+      }
+    }
+
+
+    /* --------------------------   
+     * Initializations of stage3   
+     * -------------------------*/
+
+    /* sum += x[srcALen-srcBLen+1] * y[srcBLen-1] + x[srcALen-srcBLen+2] * y[srcBLen-2] +...+ x[srcALen-1] * y[1]   
+     * sum += x[srcALen-srcBLen+2] * y[srcBLen-1] + x[srcALen-srcBLen+3] * y[srcBLen-2] +...+ x[srcALen-1] * y[2]   
+     * ....   
+     * sum +=  x[srcALen-2] * y[srcBLen-1] + x[srcALen-1] * y[srcBLen-2]   
+     * sum +=  x[srcALen-1] * y[srcBLen-1]   
+     */
+
+    /* In this stage the MAC operations are decreased by 1 for every iteration.   
+       The count variable holds the number of MAC operations performed */
+    count = srcBLen - 1u;
+
+    /* Working pointer of inputA */
+    pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+    px = pSrc1;
+
+    /* Working pointer of inputB */
+    pSrc2 = pIn2 + (srcBLen - 1u);
+    py = pSrc2;
+
+    /* -------------------   
+     * Stage3 process   
+     * ------------------*/
+
+    while(blockSize3 > 0)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = count >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Reading two inputs, x[srcALen - srcBLen + 1] and x[srcALen - srcBLen + 2] of SrcA buffer and packing */
+        in1 = (q15_t) * px++;
+        in2 = (q15_t) * px++;
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* Reading two inputs, y[srcBLen - 1] and y[srcBLen - 2] of SrcB buffer and packing */
+        in1 = (q15_t) * py--;
+        in2 = (q15_t) * py--;
+        input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* sum += x[srcALen - srcBLen + 1] * y[srcBLen - 1] */
+        /* sum += x[srcALen - srcBLen + 2] * y[srcBLen - 2] */
+        sum = __SMLAD(input1, input2, sum);
+
+        /* Reading two inputs, x[srcALen - srcBLen + 3] and x[srcALen - srcBLen + 4] of SrcA buffer and packing */
+        in1 = (q15_t) * px++;
+        in2 = (q15_t) * px++;
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* Reading two inputs, y[srcBLen - 3] and y[srcBLen - 4] of SrcB buffer and packing */
+        in1 = (q15_t) * py--;
+        in2 = (q15_t) * py--;
+        input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* sum += x[srcALen - srcBLen + 3] * y[srcBLen - 3] */
+        /* sum += x[srcALen - srcBLen + 4] * y[srcBLen - 4] */
+        sum = __SMLAD(input1, input2, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the count is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = count % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        /* sum +=  x[srcALen-1] * y[srcBLen-1] */
+        sum += ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q7_t) (__SSAT(sum >> 7, 8));
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = ++pSrc1;
+      py = pSrc2;
+
+      /* Decrement the MAC count */
+      count--;
+
+      /* Decrement the loop counter */
+      blockSize3--;
+
+    }
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q7_t *pIn1 = pSrcA;                            /* inputA pointer */
+  q7_t *pIn2 = pSrcB;                            /* inputB pointer */
+  q31_t sum;                                     /* Accumulator */
+  uint32_t i, j;                                 /* loop counters */
+  arm_status status;                             /* status of Partial convolution */
+
+  /* Check for range of output samples to be calculated */
+  if((firstIndex + numPoints) > ((srcALen + (srcBLen - 1u))))
+  {
+    /* Set status as ARM_ARGUMENT_ERROR */
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+    /* Loop to calculate convolution for output length number of values */
+    for (i = firstIndex; i <= (firstIndex + numPoints - 1); i++)
+    {
+      /* Initialize sum with zero to carry on MAC operations */
+      sum = 0;
+
+      /* Loop to perform MAC operations according to convolution equation */
+      for (j = 0; j <= i; j++)
+      {
+        /* Check the array limitations */
+        if(((i - j) < srcBLen) && (j < srcALen))
+        {
+          /* z[i] += x[i-j] * y[j] */
+          sum += ((q15_t) pIn1[j] * (pIn2[i - j]));
+        }
+      }
+
+      /* Store the output in the destination buffer */
+      pDst[i] = (q7_t) __SSAT((sum >> 7u), 8u);
+    }
+    /* set status as ARM_SUCCESS as there are no argument errors */
+    status = ARM_MATH_SUCCESS;
+  }
+  return (status);
+
+#endif /*  #ifndef ARM_MATH_CM0 */
+
+}
+
+/**   
+ * @} end of PartialConv group   
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_q15.c
new file mode 100644
index 0000000000..ac6425dfe1
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_q15.c
@@ -0,0 +1,733 @@
+/* ----------------------------------------------------------------------   
+* Copyright (C) 2010 ARM Limited. All rights reserved.   
+*   
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*   
+* Project: 	    CMSIS DSP Library   
+* Title:		arm_conv_q15.c   
+*   
+* Description:	Convolution of Q15 sequences.     
+*   
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.11 2011/10/18 
+*    Bug Fix in conv, correlation, partial convolution. 
+*
+* Version 1.0.10 2011/7/15 
+*    Big Endian support added and Merged M0 and M3/M4 Source code.  
+*   
+* Version 1.0.3 2010/11/29  
+*    Re-organized the CMSIS folders and updated documentation.   
+*    
+* Version 1.0.2 2010/11/11   
+*    Documentation updated.    
+*   
+* Version 1.0.1 2010/10/05    
+*    Production release and review comments incorporated.   
+*   
+* Version 1.0.0 2010/09/20    
+*    Production release and review comments incorporated   
+*   
+* Version 0.0.7  2010/06/10    
+*    Misra-C changes done   
+*   
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**   
+ * @ingroup groupFilters   
+ */
+
+/**   
+ * @addtogroup Conv   
+ * @{   
+ */
+
+/**   
+ * @brief Convolution of Q15 sequences.   
+ * @param[in] *pSrcA points to the first input sequence.   
+ * @param[in] srcALen length of the first input sequence.   
+ * @param[in] *pSrcB points to the second input sequence.   
+ * @param[in] srcBLen length of the second input sequence.   
+ * @param[out] *pDst points to the location where the output result is written.  Length srcALen+srcBLen-1.   
+ * @return none.   
+ *   
+ * @details   
+ * Scaling and Overflow Behavior:   
+ *   
+ * \par   
+ * The function is implemented using a 64-bit internal accumulator.   
+ * Both inputs are in 1.15 format and multiplications yield a 2.30 result.   
+ * The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format.   
+ * This approach provides 33 guard bits and there is no risk of overflow.   
+ * The 34.30 result is then truncated to 34.15 format by discarding the low 15 bits and then saturated to 1.15 format.   
+ *   
+ * \par   
+ * Refer to arm_conv_fast_q15() for a faster but less precise version of this function for Cortex-M3 and Cortex-M4. 
+ *
+ * \par    
+ * Refer the function arm_conv_opt_q15() for a faster implementation of this function using scratch buffers.
+ *  
+ */
+
+void arm_conv_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst)
+{
+
+#if (defined(ARM_MATH_CM4) || defined(ARM_MATH_CM3)) && !defined(UNALIGNED_SUPPORT_DISABLE)
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q15_t *pIn1;                                   /* inputA pointer */
+  q15_t *pIn2;                                   /* inputB pointer */
+  q15_t *pOut = pDst;                            /* output pointer */
+  q63_t sum, acc0, acc1, acc2, acc3;             /* Accumulator */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  q15_t *pSrc1, *pSrc2;                          /* Intermediate pointers */
+  q31_t x0, x1, x2, x3, c0;                      /* Temporary variables to hold state and coefficient values */
+  uint32_t blockSize1, blockSize2, blockSize3, j, k, count, blkCnt;     /* loop counter */
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcA;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcB;
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcB;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcA;
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+  }
+
+  /* conv(x,y) at n = x[n] * y[0] + x[n-1] * y[1] + x[n-2] * y[2] + ...+ x[n-N+1] * y[N -1] */
+  /* The function is internally   
+   * divided into three stages according to the number of multiplications that has to be   
+   * taken place between inputA samples and inputB samples. In the first stage of the   
+   * algorithm, the multiplications increase by one for every iteration.   
+   * In the second stage of the algorithm, srcBLen number of multiplications are done.   
+   * In the third stage of the algorithm, the multiplications decrease by one   
+   * for every iteration. */
+
+  /* The algorithm is implemented in three stages.   
+     The loop counters of each stage is initiated here. */
+  blockSize1 = srcBLen - 1u;
+  blockSize2 = srcALen - (srcBLen - 1u);
+
+  /* --------------------------   
+   * Initializations of stage1   
+   * -------------------------*/
+
+  /* sum = x[0] * y[0]   
+   * sum = x[0] * y[1] + x[1] * y[0]   
+   * ....   
+   * sum = x[0] * y[srcBlen - 1] + x[1] * y[srcBlen - 2] +...+ x[srcBLen - 1] * y[0]   
+   */
+
+  /* In this stage the MAC operations are increased by 1 for every iteration.   
+     The count variable holds the number of MAC operations performed */
+  count = 1u;
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+
+  /* ------------------------   
+   * Stage1 process   
+   * ----------------------*/
+
+  /* For loop unrolling by 4, this stage is divided into two. */
+  /* First part of this stage computes the MAC operations less than 4 */
+  /* Second part of this stage computes the MAC operations greater than or equal to 4 */
+
+  /* The first part of the stage starts here */
+  while((count < 4u) && (blockSize1 > 0u))
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Loop over number of MAC operations between   
+     * inputA samples and inputB samples */
+    k = count;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      sum = __SMLALD(*px++, *py--, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q15_t) (__SSAT((sum >> 15), 16));
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pIn2 + count;
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* The second part of the stage starts here */
+  /* The internal loop, over count, is unrolled by 4 */
+  /* To, read the last two inputB samples using SIMD:   
+   * y[srcBLen] and y[srcBLen-1] coefficients, py is decremented by 1 */
+  py = py - 1;
+
+  while(blockSize1 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* x[0], x[1] are multiplied with y[srcBLen - 1], y[srcBLen - 2] respectively */
+      sum = __SMLALDX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+      /* x[2], x[3] are multiplied with y[srcBLen - 3], y[srcBLen - 4] respectively */
+      sum = __SMLALDX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* For the next MAC operations, the pointer py is used without SIMD   
+     * So, py is incremented by 1 */
+    py = py + 1u;
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      sum = __SMLALD(*px++, *py--, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q15_t) (__SSAT((sum >> 15), 16));
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pIn2 + (count - 1u);
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* --------------------------   
+   * Initializations of stage2   
+   * ------------------------*/
+
+  /* sum = x[0] * y[srcBLen-1] + x[1] * y[srcBLen-2] +...+ x[srcBLen-1] * y[0]   
+   * sum = x[1] * y[srcBLen-1] + x[2] * y[srcBLen-2] +...+ x[srcBLen] * y[0]   
+   * ....   
+   * sum = x[srcALen-srcBLen-2] * y[srcBLen-1] + x[srcALen] * y[srcBLen-2] +...+ x[srcALen-1] * y[0]   
+   */
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  pSrc2 = pIn2 + (srcBLen - 1u);
+  py = pSrc2;
+
+  /* count is the index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+
+  /* --------------------   
+   * Stage2 process   
+   * -------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.   
+   * So, to loop unroll over blockSize2,   
+   * srcBLen should be greater than or equal to 4 */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll over blockSize2, by 4 */
+    blkCnt = blockSize2 >> 2u;
+
+    while(blkCnt > 0u)
+    {
+      py = py - 1u;
+
+      /* Set all accumulators to zero */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+
+      /* read x[0], x[1] samples */
+      x0 = *__SIMD32(px);
+      /* read x[1], x[2] samples */
+      x1 = _SIMD32_OFFSET(px+1);
+	  px+= 2u;
+
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      do
+      {
+        /* Read the last two inputB samples using SIMD:   
+         * y[srcBLen - 1] and y[srcBLen - 2] */
+        c0 = *__SIMD32(py)--;
+
+        /* acc0 +=  x[0] * y[srcBLen - 1] + x[1] * y[srcBLen - 2] */
+        acc0 = __SMLALDX(x0, c0, acc0);
+
+        /* acc1 +=  x[1] * y[srcBLen - 1] + x[2] * y[srcBLen - 2] */
+        acc1 = __SMLALDX(x1, c0, acc1);
+
+        /* Read x[2], x[3] */
+        x2 = *__SIMD32(px);
+
+        /* Read x[3], x[4] */
+        x3 = _SIMD32_OFFSET(px+1);
+
+        /* acc2 +=  x[2] * y[srcBLen - 1] + x[3] * y[srcBLen - 2] */
+        acc2 = __SMLALDX(x2, c0, acc2);
+
+        /* acc3 +=  x[3] * y[srcBLen - 1] + x[4] * y[srcBLen - 2] */
+        acc3 = __SMLALDX(x3, c0, acc3);
+
+        /* Read y[srcBLen - 3] and y[srcBLen - 4] */
+        c0 = *__SIMD32(py)--;
+
+        /* acc0 +=  x[2] * y[srcBLen - 3] + x[3] * y[srcBLen - 4] */
+        acc0 = __SMLALDX(x2, c0, acc0);
+
+        /* acc1 +=  x[3] * y[srcBLen - 3] + x[4] * y[srcBLen - 4] */
+        acc1 = __SMLALDX(x3, c0, acc1);
+
+        /* Read x[4], x[5] */
+        x0 = _SIMD32_OFFSET(px+2);
+
+        /* Read x[5], x[6] */
+        x1 = _SIMD32_OFFSET(px+3);
+		px += 4u;
+
+        /* acc2 +=  x[4] * y[srcBLen - 3] + x[5] * y[srcBLen - 4] */
+        acc2 = __SMLALDX(x0, c0, acc2);
+
+        /* acc3 +=  x[5] * y[srcBLen - 3] + x[6] * y[srcBLen - 4] */
+        acc3 = __SMLALDX(x1, c0, acc3);
+
+      } while(--k);
+
+      /* For the next MAC operations, SIMD is not used   
+       * So, the 16 bit pointer if inputB, py is updated */
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      if(k == 1u)
+      {
+        /* Read y[srcBLen - 5] */
+        c0 = *(py+1);
+
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+
+#else
+
+        c0 = c0 & 0x0000FFFF;
+
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+        /* Read x[7] */
+        x3 = *__SIMD32(px);
+		px++;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLALD(x0, c0, acc0);
+        acc1 = __SMLALD(x1, c0, acc1);
+        acc2 = __SMLALDX(x1, c0, acc2);
+        acc3 = __SMLALDX(x3, c0, acc3);
+      }
+
+      if(k == 2u)
+      {
+        /* Read y[srcBLen - 5], y[srcBLen - 6] */
+        c0 = _SIMD32_OFFSET(py);
+
+        /* Read x[7], x[8] */
+        x3 = *__SIMD32(px);
+
+        /* Read x[9] */
+        x2 = _SIMD32_OFFSET(px+1);
+		px += 2u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLALDX(x0, c0, acc0);
+        acc1 = __SMLALDX(x1, c0, acc1);
+        acc2 = __SMLALDX(x3, c0, acc2);
+        acc3 = __SMLALDX(x2, c0, acc3);
+      }
+
+      if(k == 3u)
+      {
+        /* Read y[srcBLen - 5], y[srcBLen - 6] */
+        c0 = _SIMD32_OFFSET(py);
+
+        /* Read x[7], x[8] */
+        x3 = *__SIMD32(px);
+
+        /* Read x[9] */
+        x2 = _SIMD32_OFFSET(px+1);
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLALDX(x0, c0, acc0);
+        acc1 = __SMLALDX(x1, c0, acc1);
+        acc2 = __SMLALDX(x3, c0, acc2);
+        acc3 = __SMLALDX(x2, c0, acc3);
+
+		c0 = *(py-1);
+
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+#else
+
+        c0 = c0 & 0x0000FFFF;
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+        /* Read x[10] */
+        x3 =  _SIMD32_OFFSET(px+2);
+		px += 3u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLALDX(x1, c0, acc0);
+        acc1 = __SMLALD(x2, c0, acc1);
+        acc2 = __SMLALDX(x2, c0, acc2);
+        acc3 = __SMLALDX(x3, c0, acc3);
+      }
+
+
+      /* Store the results in the accumulators in the destination buffer. */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc0 >> 15), 16), __SSAT((acc1 >> 15), 16), 16);
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc2 >> 15), 16), __SSAT((acc3 >> 15), 16), 16);
+
+#else
+
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc1 >> 15), 16), __SSAT((acc0 >> 15), 16), 16);
+      *__SIMD32(pOut)++ =
+        __PKHBT(__SSAT((acc3 >> 15), 16), __SSAT((acc2 >> 15), 16), 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+      /* Increment the pointer pIn1 index, count by 4 */
+      count += 4u;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+       /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.   
+     ** No loop unrolling is used. */
+    blkCnt = blockSize2 % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += (q63_t) ((q31_t) * px++ * *py--);
+        sum += (q63_t) ((q31_t) * px++ * *py--);
+        sum += (q63_t) ((q31_t) * px++ * *py--);
+        sum += (q63_t) ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += (q63_t) ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (__SSAT(sum >> 15, 16));
+
+      /* Increment the pointer pIn1 index, count by 1 */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+  else
+  {
+    /* If the srcBLen is not a multiple of 4,   
+     * the blockSize2 loop cannot be unrolled by 4 */
+    blkCnt = blockSize2;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* srcBLen number of MACS should be performed */
+      k = srcBLen;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += (q63_t) ((q31_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q15_t) (__SSAT(sum >> 15, 16));
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+
+
+  /* --------------------------   
+   * Initializations of stage3   
+   * -------------------------*/
+
+  /* sum += x[srcALen-srcBLen+1] * y[srcBLen-1] + x[srcALen-srcBLen+2] * y[srcBLen-2] +...+ x[srcALen-1] * y[1]   
+   * sum += x[srcALen-srcBLen+2] * y[srcBLen-1] + x[srcALen-srcBLen+3] * y[srcBLen-2] +...+ x[srcALen-1] * y[2]   
+   * ....   
+   * sum +=  x[srcALen-2] * y[srcBLen-1] + x[srcALen-1] * y[srcBLen-2]   
+   * sum +=  x[srcALen-1] * y[srcBLen-1]   
+   */
+
+  /* In this stage the MAC operations are decreased by 1 for every iteration.   
+     The blockSize3 variable holds the number of MAC operations performed */
+
+  blockSize3 = srcBLen - 1u;
+
+  /* Working pointer of inputA */
+  pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+  px = pSrc1;
+
+  /* Working pointer of inputB */
+  pSrc2 = pIn2 + (srcBLen - 1u);
+  pIn2 = pSrc2 - 1u;
+  py = pIn2;
+
+  /* -------------------   
+   * Stage3 process   
+   * ------------------*/
+
+  /* For loop unrolling by 4, this stage is divided into two. */
+  /* First part of this stage computes the MAC operations greater than 4 */
+  /* Second part of this stage computes the MAC operations less than or equal to 4 */
+
+  /* The first part of the stage starts here */
+  j = blockSize3 >> 2u;
+
+  while((j > 0u) && (blockSize3 > 0u))
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = blockSize3 >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* x[srcALen - srcBLen + 1], x[srcALen - srcBLen + 2] are multiplied   
+       * with y[srcBLen - 1], y[srcBLen - 2] respectively */
+      sum = __SMLALDX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+      /* x[srcALen - srcBLen + 3], x[srcALen - srcBLen + 4] are multiplied   
+       * with y[srcBLen - 3], y[srcBLen - 4] respectively */
+      sum = __SMLALDX(*__SIMD32(px)++, *__SIMD32(py)--, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* For the next MAC operations, the pointer py is used without SIMD   
+     * So, py is incremented by 1 */
+    py = py + 1u;
+
+    /* If the blockSize3 is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = blockSize3 % 0x4u;
+
+    while(k > 0u)
+    {
+      /* sum += x[srcALen - srcBLen + 5] * y[srcBLen - 5] */
+      sum = __SMLALD(*px++, *py--, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q15_t) (__SSAT((sum >> 15), 16));
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pIn2;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+
+    j--;
+  }
+
+  /* The second part of the stage starts here */
+  /* SIMD is not used for the next MAC operations,   
+   * so pointer py is updated to read only one sample at a time */
+  py = py + 1u;
+
+  while(blockSize3 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = blockSize3;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* sum +=  x[srcALen-1] * y[srcBLen-1] */
+      sum = __SMLALD(*px++, *py--, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q15_t) (__SSAT((sum >> 15), 16));
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pSrc2;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+  }
+
+#else
+
+/* Run the below code for Cortex-M0 */
+
+  q15_t *pIn1 = pSrcA;                           /* input pointer */
+  q15_t *pIn2 = pSrcB;                           /* coefficient pointer */
+  q63_t sum;                                     /* Accumulator */
+  uint32_t i, j;                                 /* loop counter */
+
+  /* Loop to calculate output of convolution for output length number of times */
+  for (i = 0; i < (srcALen + srcBLen - 1); i++)
+  {
+    /* Initialize sum with zero to carry on MAC operations */
+    sum = 0;
+
+    /* Loop to perform MAC operations according to convolution equation */
+    for (j = 0; j <= i; j++)
+    {
+      /* Check the array limitations */
+      if(((i - j) < srcBLen) && (j < srcALen))
+      {
+        /* z[i] += x[i-j] * y[j] */
+        sum += (q31_t) pIn1[j] * (pIn2[i - j]);
+      }
+    }
+
+    /* Store the output in the destination buffer */
+    pDst[i] = (q15_t) __SSAT((sum >> 15u), 16u);
+  }
+
+#endif /*  #if (defined(ARM_MATH_CM4) || defined(ARM_MATH_CM3)) && !defined(UNALIGNED_SUPPORT_DISABLE)*/
+
+}
+
+/**   
+ * @} end of Conv group   
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_q31.c
new file mode 100644
index 0000000000..713ea1bd47
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_q31.c
@@ -0,0 +1,564 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_conv_q31.c    
+*    
+* Description:	Convolution of Q31 sequences.  
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+* 
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+*    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup Conv    
+ * @{    
+ */
+
+/**    
+ * @brief Convolution of Q31 sequences.    
+ * @param[in] *pSrcA points to the first input sequence.    
+ * @param[in] srcALen length of the first input sequence.    
+ * @param[in] *pSrcB points to the second input sequence.    
+ * @param[in] srcBLen length of the second input sequence.    
+ * @param[out] *pDst points to the location where the output result is written.  Length srcALen+srcBLen-1.    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The function is implemented using an internal 64-bit accumulator.    
+ * The accumulator has a 2.62 format and maintains full precision of the intermediate multiplication results but provides only a single guard bit.    
+ * There is no saturation on intermediate additions.    
+ * Thus, if the accumulator overflows it wraps around and distorts the result.    
+ * The input signals should be scaled down to avoid intermediate overflows.    
+ * Scale down the inputs by log2(min(srcALen, srcBLen)) (log2 is read as log to the base 2) times to avoid overflows,    
+ * as maximum of min(srcALen, srcBLen) number of additions are carried internally.    
+ * The 2.62 accumulator is right shifted by 31 bits and saturated to 1.31 format to yield the final result.    
+ *    
+ * \par    
+ * See arm_conv_fast_q31() for a faster but less precise implementation of this function for Cortex-M3 and Cortex-M4.    
+ */
+
+void arm_conv_q31(
+  q31_t * pSrcA,
+  uint32_t srcALen,
+  q31_t * pSrcB,
+  uint32_t srcBLen,
+  q31_t * pDst)
+{
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t *pIn1;                                   /* inputA pointer */
+  q31_t *pIn2;                                   /* inputB pointer */
+  q31_t *pOut = pDst;                            /* output pointer */
+  q31_t *px;                                     /* Intermediate inputA pointer  */
+  q31_t *py;                                     /* Intermediate inputB pointer  */
+  q31_t *pSrc1, *pSrc2;                          /* Intermediate pointers */
+  q63_t sum;                                     /* Accumulator */
+  q63_t acc0, acc1, acc2;                        /* Accumulator */
+  q31_t x0, x1, x2, c0;                          /* Temporary variables to hold state and coefficient values */
+  uint32_t j, k, count, blkCnt, blockSize1, blockSize2, blockSize3;     /* loop counter */
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcA;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcB;
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (q31_t *) pSrcB;
+
+    /* Initialization of inputB pointer */
+    pIn2 = (q31_t *) pSrcA;
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+  }
+
+  /* conv(x,y) at n = x[n] * y[0] + x[n-1] * y[1] + x[n-2] * y[2] + ...+ x[n-N+1] * y[N -1] */
+  /* The function is internally    
+   * divided into three stages according to the number of multiplications that has to be    
+   * taken place between inputA samples and inputB samples. In the first stage of the    
+   * algorithm, the multiplications increase by one for every iteration.    
+   * In the second stage of the algorithm, srcBLen number of multiplications are done.    
+   * In the third stage of the algorithm, the multiplications decrease by one    
+   * for every iteration. */
+
+  /* The algorithm is implemented in three stages.    
+     The loop counters of each stage is initiated here. */
+  blockSize1 = srcBLen - 1u;
+  blockSize2 = srcALen - (srcBLen - 1u);
+  blockSize3 = blockSize1;
+
+  /* --------------------------    
+   * Initializations of stage1    
+   * -------------------------*/
+
+  /* sum = x[0] * y[0]    
+   * sum = x[0] * y[1] + x[1] * y[0]    
+   * ....    
+   * sum = x[0] * y[srcBlen - 1] + x[1] * y[srcBlen - 2] +...+ x[srcBLen - 1] * y[0]    
+   */
+
+  /* In this stage the MAC operations are increased by 1 for every iteration.    
+     The count variable holds the number of MAC operations performed */
+  count = 1u;
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+
+  /* ------------------------    
+   * Stage1 process    
+   * ----------------------*/
+
+  /* The first stage starts here */
+  while(blockSize1 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* x[0] * y[srcBLen - 1] */
+      sum += (q63_t) * px++ * (*py--);
+      /* x[1] * y[srcBLen - 2] */
+      sum += (q63_t) * px++ * (*py--);
+      /* x[2] * y[srcBLen - 3] */
+      sum += (q63_t) * px++ * (*py--);
+      /* x[3] * y[srcBLen - 4] */
+      sum += (q63_t) * px++ * (*py--);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.    
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      sum += (q63_t) * px++ * (*py--);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q31_t) (sum >> 31);
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pIn2 + count;
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* --------------------------    
+   * Initializations of stage2    
+   * ------------------------*/
+
+  /* sum = x[0] * y[srcBLen-1] + x[1] * y[srcBLen-2] +...+ x[srcBLen-1] * y[0]    
+   * sum = x[1] * y[srcBLen-1] + x[2] * y[srcBLen-2] +...+ x[srcBLen] * y[0]    
+   * ....    
+   * sum = x[srcALen-srcBLen-2] * y[srcBLen-1] + x[srcALen] * y[srcBLen-2] +...+ x[srcALen-1] * y[0]    
+   */
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  pSrc2 = pIn2 + (srcBLen - 1u);
+  py = pSrc2;
+
+  /* count is index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+  /* -------------------    
+   * Stage2 process    
+   * ------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.    
+   * So, to loop unroll over blockSize2,    
+   * srcBLen should be greater than or equal to 4 */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll by 3 */
+    blkCnt = blockSize2 / 3;
+
+    while(blkCnt > 0u)
+    {
+      /* Set all accumulators to zero */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+
+      /* read x[0], x[1], x[2] samples */
+      x0 = *(px++);
+      x1 = *(px++);
+
+      /* Apply loop unrolling and compute 3 MACs simultaneously. */
+      k = srcBLen / 3;
+
+      /* First part of the processing with loop unrolling.  Compute 3 MACs at a time.        
+       ** a second loop below computes MACs for the remaining 1 to 2 samples. */
+      do
+      {
+        /* Read y[srcBLen - 1] sample */
+        c0 = *(py);
+
+        /* Read x[3] sample */
+        x2 = *(px);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[0] * y[srcBLen - 1] */
+        acc0 += ((q63_t) x0 * c0);
+        /* acc1 +=  x[1] * y[srcBLen - 1] */
+        acc1 += ((q63_t) x1 * c0);
+        /* acc2 +=  x[2] * y[srcBLen - 1] */
+        acc2 += ((q63_t) x2 * c0);
+
+        /* Read y[srcBLen - 2] sample */
+        c0 = *(py - 1u);
+
+        /* Read x[4] sample */
+        x0 = *(px + 1u);
+
+        /* Perform the multiply-accumulate */
+        /* acc0 +=  x[1] * y[srcBLen - 2] */
+        acc0 += ((q63_t) x1 * c0);
+        /* acc1 +=  x[2] * y[srcBLen - 2] */
+        acc1 += ((q63_t) x2 * c0);
+        /* acc2 +=  x[3] * y[srcBLen - 2] */
+        acc2 += ((q63_t) x0 * c0);
+
+        /* Read y[srcBLen - 3] sample */
+        c0 = *(py - 2u);
+
+        /* Read x[5] sample */
+        x1 = *(px + 2u);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[2] * y[srcBLen - 3] */
+        acc0 += ((q63_t) x2 * c0);
+        /* acc1 +=  x[3] * y[srcBLen - 2] */
+        acc1 += ((q63_t) x0 * c0);
+        /* acc2 +=  x[4] * y[srcBLen - 2] */
+        acc2 += ((q63_t) x1 * c0);
+
+        /* update scratch pointers */
+        px += 3u;
+        py -= 3u;
+
+      } while(--k);
+
+      /* If the srcBLen is not a multiple of 3, compute any remaining MACs here.        
+       ** No loop unrolling is used. */
+      k = srcBLen - (3 * (srcBLen / 3));
+
+      while(k > 0u)
+      {
+        /* Read y[srcBLen - 5] sample */
+        c0 = *(py--);
+
+        /* Read x[7] sample */
+        x2 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[4] * y[srcBLen - 5] */
+        acc0 += ((q63_t) x0 * c0);
+        /* acc1 +=  x[5] * y[srcBLen - 5] */
+        acc1 += ((q63_t) x1 * c0);
+        /* acc2 +=  x[6] * y[srcBLen - 5] */
+        acc2 += ((q63_t) x2 * c0);
+
+        /* Reuse the present samples for the next MAC */
+        x0 = x1;
+        x1 = x2;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the results in the accumulators in the destination buffer. */
+      *pOut++ = (q31_t) (acc0 >> 31);
+      *pOut++ = (q31_t) (acc1 >> 31);
+      *pOut++ = (q31_t) (acc2 >> 31);
+
+      /* Increment the pointer pIn1 index, count by 3 */
+      count += 3u;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize2 is not a multiple of 3, compute any remaining output samples here.        
+     ** No loop unrolling is used. */
+    blkCnt = blockSize2 - 3 * (blockSize2 / 3);
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += (q63_t) * px++ * (*py--);
+        sum += (q63_t) * px++ * (*py--);
+        sum += (q63_t) * px++ * (*py--);
+        sum += (q63_t) * px++ * (*py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += (q63_t) * px++ * (*py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q31_t) (sum >> 31);
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+  else
+  {
+    /* If the srcBLen is not a multiple of 4,    
+     * the blockSize2 loop cannot be unrolled by 4 */
+    blkCnt = blockSize2;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* srcBLen number of MACS should be performed */
+      k = srcBLen;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += (q63_t) * px++ * (*py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q31_t) (sum >> 31);
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+
+
+  /* --------------------------    
+   * Initializations of stage3    
+   * -------------------------*/
+
+  /* sum += x[srcALen-srcBLen+1] * y[srcBLen-1] + x[srcALen-srcBLen+2] * y[srcBLen-2] +...+ x[srcALen-1] * y[1]    
+   * sum += x[srcALen-srcBLen+2] * y[srcBLen-1] + x[srcALen-srcBLen+3] * y[srcBLen-2] +...+ x[srcALen-1] * y[2]    
+   * ....    
+   * sum +=  x[srcALen-2] * y[srcBLen-1] + x[srcALen-1] * y[srcBLen-2]    
+   * sum +=  x[srcALen-1] * y[srcBLen-1]    
+   */
+
+  /* In this stage the MAC operations are decreased by 1 for every iteration.    
+     The blockSize3 variable holds the number of MAC operations performed */
+
+  /* Working pointer of inputA */
+  pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+  px = pSrc1;
+
+  /* Working pointer of inputB */
+  pSrc2 = pIn2 + (srcBLen - 1u);
+  py = pSrc2;
+
+  /* -------------------    
+   * Stage3 process    
+   * ------------------*/
+
+  while(blockSize3 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = blockSize3 >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* sum += x[srcALen - srcBLen + 1] * y[srcBLen - 1] */
+      sum += (q63_t) * px++ * (*py--);
+      /* sum += x[srcALen - srcBLen + 2] * y[srcBLen - 2] */
+      sum += (q63_t) * px++ * (*py--);
+      /* sum += x[srcALen - srcBLen + 3] * y[srcBLen - 3] */
+      sum += (q63_t) * px++ * (*py--);
+      /* sum += x[srcALen - srcBLen + 4] * y[srcBLen - 4] */
+      sum += (q63_t) * px++ * (*py--);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the blockSize3 is not a multiple of 4, compute any remaining MACs here.    
+     ** No loop unrolling is used. */
+    k = blockSize3 % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      sum += (q63_t) * px++ * (*py--);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q31_t) (sum >> 31);
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pSrc2;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q31_t *pIn1 = pSrcA;                           /* input pointer */
+  q31_t *pIn2 = pSrcB;                           /* coefficient pointer */
+  q63_t sum;                                     /* Accumulator */
+  uint32_t i, j;                                 /* loop counter */
+
+  /* Loop to calculate output of convolution for output length number of times */
+  for (i = 0; i < (srcALen + srcBLen - 1); i++)
+  {
+    /* Initialize sum with zero to carry on MAC operations */
+    sum = 0;
+
+    /* Loop to perform MAC operations according to convolution equation */
+    for (j = 0; j <= i; j++)
+    {
+      /* Check the array limitations */
+      if(((i - j) < srcBLen) && (j < srcALen))
+      {
+        /* z[i] += x[i-j] * y[j] */
+        sum += ((q63_t) pIn1[j] * (pIn2[i - j]));
+      }
+    }
+
+    /* Store the output in the destination buffer */
+    pDst[i] = (q31_t) (sum >> 31u);
+  }
+
+#endif /*     #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of Conv group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_q7.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_q7.c
new file mode 100644
index 0000000000..9fc7e4044f
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_conv_q7.c
@@ -0,0 +1,689 @@
+/* ----------------------------------------------------------------------   
+* Copyright (C) 2010 ARM Limited. All rights reserved.   
+*   
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*   
+* Project: 	    CMSIS DSP Library   
+* Title:		arm_conv_q7.c   
+*   
+* Description:	Convolution of Q7 sequences. 
+*   
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*  
+* Version 1.0.11 2011/10/18 
+*    Bug Fix in conv, correlation, partial convolution. 
+*
+* Version 1.0.10 2011/7/15 
+*    Big Endian support added and Merged M0 and M3/M4 Source code.  
+*   
+* Version 1.0.3 2010/11/29  
+*    Re-organized the CMSIS folders and updated documentation.   
+*    
+* Version 1.0.2 2010/11/11   
+*    Documentation updated.    
+*   
+* Version 1.0.1 2010/10/05    
+*    Production release and review comments incorporated.   
+*   
+* Version 1.0.0 2010/09/20    
+*    Production release and review comments incorporated   
+*   
+* Version 0.0.7  2010/06/10    
+*    Misra-C changes done   
+*   
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**   
+ * @ingroup groupFilters   
+ */
+
+/**   
+ * @addtogroup Conv   
+ * @{   
+ */
+
+/**   
+ * @brief Convolution of Q7 sequences.   
+ * @param[in] *pSrcA points to the first input sequence.   
+ * @param[in] srcALen length of the first input sequence.   
+ * @param[in] *pSrcB points to the second input sequence.   
+ * @param[in] srcBLen length of the second input sequence.   
+ * @param[out] *pDst points to the location where the output result is written.  Length srcALen+srcBLen-1.   
+ * @return none.   
+ *   
+ * @details   
+ * Scaling and Overflow Behavior:   
+ *   
+ * \par   
+ * The function is implemented using a 32-bit internal accumulator.   
+ * Both the inputs are represented in 1.7 format and multiplications yield a 2.14 result.   
+ * The 2.14 intermediate results are accumulated in a 32-bit accumulator in 18.14 format.   
+ * This approach provides 17 guard bits and there is no risk of overflow as long as max(srcALen, srcBLen)<131072.   
+ * The 18.14 result is then truncated to 18.7 format by discarding the low 7 bits and then saturated to 1.7 format.   
+ *
+ * \par    
+ * Refer the function arm_conv_opt_q7() for a faster implementation of this function.
+ * 
+ */
+
+void arm_conv_q7(
+  q7_t * pSrcA,
+  uint32_t srcALen,
+  q7_t * pSrcB,
+  uint32_t srcBLen,
+  q7_t * pDst)
+{
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q7_t *pIn1;                                    /* inputA pointer */
+  q7_t *pIn2;                                    /* inputB pointer */
+  q7_t *pOut = pDst;                             /* output pointer */
+  q7_t *px;                                      /* Intermediate inputA pointer */
+  q7_t *py;                                      /* Intermediate inputB pointer */
+  q7_t *pSrc1, *pSrc2;                           /* Intermediate pointers */
+  q7_t x0, x1, x2, x3, c0, c1;                   /* Temporary variables to hold state and coefficient values */
+  q31_t sum, acc0, acc1, acc2, acc3;             /* Accumulator */
+  q31_t input1, input2;                          /* Temporary input variables */
+  q15_t in1, in2;                                /* Temporary input variables */
+  uint32_t j, k, count, blkCnt, blockSize1, blockSize2, blockSize3;     /* loop counter */
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcA;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcB;
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcB;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcA;
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+  }
+
+  /* conv(x,y) at n = x[n] * y[0] + x[n-1] * y[1] + x[n-2] * y[2] + ...+ x[n-N+1] * y[N -1] */
+  /* The function is internally   
+   * divided into three stages according to the number of multiplications that has to be   
+   * taken place between inputA samples and inputB samples. In the first stage of the   
+   * algorithm, the multiplications increase by one for every iteration.   
+   * In the second stage of the algorithm, srcBLen number of multiplications are done.   
+   * In the third stage of the algorithm, the multiplications decrease by one   
+   * for every iteration. */
+
+  /* The algorithm is implemented in three stages.   
+     The loop counters of each stage is initiated here. */
+  blockSize1 = srcBLen - 1u;
+  blockSize2 = (srcALen - srcBLen) + 1u;
+  blockSize3 = blockSize1;
+
+  /* --------------------------   
+   * Initializations of stage1   
+   * -------------------------*/
+
+  /* sum = x[0] * y[0]   
+   * sum = x[0] * y[1] + x[1] * y[0]   
+   * ....   
+   * sum = x[0] * y[srcBlen - 1] + x[1] * y[srcBlen - 2] +...+ x[srcBLen - 1] * y[0]   
+   */
+
+  /* In this stage the MAC operations are increased by 1 for every iteration.   
+     The count variable holds the number of MAC operations performed */
+  count = 1u;
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+
+  /* ------------------------   
+   * Stage1 process   
+   * ----------------------*/
+
+  /* The first stage starts here */
+  while(blockSize1 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* x[0] , x[1] */
+      in1 = (q15_t) * px++;
+      in2 = (q15_t) * px++;
+      input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+      /* y[srcBLen - 1] , y[srcBLen - 2] */
+      in1 = (q15_t) * py--;
+      in2 = (q15_t) * py--;
+      input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+      /* x[0] * y[srcBLen - 1] */
+      /* x[1] * y[srcBLen - 2] */
+      sum = __SMLAD(input1, input2, sum);
+
+      /* x[2] , x[3] */
+      in1 = (q15_t) * px++;
+      in2 = (q15_t) * px++;
+      input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+      /* y[srcBLen - 3] , y[srcBLen - 4] */
+      in1 = (q15_t) * py--;
+      in2 = (q15_t) * py--;
+      input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+      /* x[2] * y[srcBLen - 3] */
+      /* x[3] * y[srcBLen - 4] */
+      sum = __SMLAD(input1, input2, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      sum += ((q15_t) * px++ * *py--);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q7_t) (__SSAT(sum >> 7u, 8));
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pIn2 + count;
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* --------------------------   
+   * Initializations of stage2   
+   * ------------------------*/
+
+  /* sum = x[0] * y[srcBLen-1] + x[1] * y[srcBLen-2] +...+ x[srcBLen-1] * y[0]   
+   * sum = x[1] * y[srcBLen-1] + x[2] * y[srcBLen-2] +...+ x[srcBLen] * y[0]   
+   * ....   
+   * sum = x[srcALen-srcBLen-2] * y[srcBLen-1] + x[srcALen] * y[srcBLen-2] +...+ x[srcALen-1] * y[0]   
+   */
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  pSrc2 = pIn2 + (srcBLen - 1u);
+  py = pSrc2;
+
+  /* count is index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+  /* -------------------   
+   * Stage2 process   
+   * ------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.   
+   * So, to loop unroll over blockSize2,   
+   * srcBLen should be greater than or equal to 4 */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll over blockSize2, by 4 */
+    blkCnt = blockSize2 >> 2u;
+
+    while(blkCnt > 0u)
+    {
+      /* Set all accumulators to zero */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+      /* read x[0], x[1], x[2] samples */
+      x0 = *(px++);
+      x1 = *(px++);
+      x2 = *(px++);
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      do
+      {
+        /* Read y[srcBLen - 1] sample */
+        c0 = *(py--);
+        /* Read y[srcBLen - 2] sample */
+        c1 = *(py--);
+
+        /* Read x[3] sample */
+        x3 = *(px++);
+
+        /* x[0] and x[1] are packed */
+        in1 = (q15_t) x0;
+        in2 = (q15_t) x1;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+        /* y[srcBLen - 1]   and y[srcBLen - 2] are packed */
+        in1 = (q15_t) c0;
+        in2 = (q15_t) c1;
+
+        input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+        /* acc0 += x[0] * y[srcBLen - 1] + x[1] * y[srcBLen - 2]  */
+        acc0 = __SMLAD(input1, input2, acc0);
+
+        /* x[1] and x[2] are packed */
+        in1 = (q15_t) x1;
+        in2 = (q15_t) x2;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+        /* acc1 += x[1] * y[srcBLen - 1] + x[2] * y[srcBLen - 2]  */
+        acc1 = __SMLAD(input1, input2, acc1);
+
+        /* x[2] and x[3] are packed */
+        in1 = (q15_t) x2;
+        in2 = (q15_t) x3;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+        /* acc2 += x[2] * y[srcBLen - 1] + x[3] * y[srcBLen - 2]  */
+        acc2 = __SMLAD(input1, input2, acc2);
+
+        /* Read x[4] sample */
+        x0 = *(px++);
+
+        /* x[3] and x[4] are packed */
+        in1 = (q15_t) x3;
+        in2 = (q15_t) x0;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+        /* acc3 += x[3] * y[srcBLen - 1] + x[4] * y[srcBLen - 2]  */
+        acc3 = __SMLAD(input1, input2, acc3);
+
+        /* Read y[srcBLen - 3] sample */
+        c0 = *(py--);
+        /* Read y[srcBLen - 4] sample */
+        c1 = *(py--);
+
+        /* Read x[5] sample */
+        x1 = *(px++);
+
+        /* x[2] and x[3] are packed */
+        in1 = (q15_t) x2;
+        in2 = (q15_t) x3;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+        /* y[srcBLen - 3] and y[srcBLen - 4] are packed */
+        in1 = (q15_t) c0;
+        in2 = (q15_t) c1;
+
+        input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+        /* acc0 += x[2] * y[srcBLen - 3] + x[3] * y[srcBLen - 4]  */
+        acc0 = __SMLAD(input1, input2, acc0);
+
+        /* x[3] and x[4] are packed */
+        in1 = (q15_t) x3;
+        in2 = (q15_t) x0;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+        /* acc1 += x[3] * y[srcBLen - 3] + x[4] * y[srcBLen - 4]  */
+        acc1 = __SMLAD(input1, input2, acc1);
+
+        /* x[4] and x[5] are packed */
+        in1 = (q15_t) x0;
+        in2 = (q15_t) x1;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+        /* acc2 += x[4] * y[srcBLen - 3] + x[5] * y[srcBLen - 4]  */
+        acc2 = __SMLAD(input1, input2, acc2);
+
+        /* Read x[6] sample */
+        x2 = *(px++);
+
+        /* x[5] and x[6] are packed */
+        in1 = (q15_t) x1;
+        in2 = (q15_t) x2;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+        /* acc3 += x[5] * y[srcBLen - 3] + x[6] * y[srcBLen - 4]  */
+        acc3 = __SMLAD(input1, input2, acc3);
+
+      } while(--k);
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Read y[srcBLen - 5] sample */
+        c0 = *(py--);
+
+        /* Read x[7] sample */
+        x3 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[4] * y[srcBLen - 5] */
+        acc0 += ((q15_t) x0 * c0);
+        /* acc1 +=  x[5] * y[srcBLen - 5] */
+        acc1 += ((q15_t) x1 * c0);
+        /* acc2 +=  x[6] * y[srcBLen - 5] */
+        acc2 += ((q15_t) x2 * c0);
+        /* acc3 +=  x[7] * y[srcBLen - 5] */
+        acc3 += ((q15_t) x3 * c0);
+
+        /* Reuse the present samples for the next MAC */
+        x0 = x1;
+        x1 = x2;
+        x2 = x3;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q7_t) (__SSAT(acc0 >> 7u, 8));
+      *pOut++ = (q7_t) (__SSAT(acc1 >> 7u, 8));
+      *pOut++ = (q7_t) (__SSAT(acc2 >> 7u, 8));
+      *pOut++ = (q7_t) (__SSAT(acc3 >> 7u, 8));
+
+      /* Increment the pointer pIn1 index, count by 4 */
+      count += 4u;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.   
+     ** No loop unrolling is used. */
+    blkCnt = blockSize2 % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+
+        /* Reading two inputs of SrcA buffer and packing */
+        in1 = (q15_t) * px++;
+        in2 = (q15_t) * px++;
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+        /* Reading two inputs of SrcB buffer and packing */
+        in1 = (q15_t) * py--;
+        in2 = (q15_t) * py--;
+        input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+        /* Perform the multiply-accumulates */
+        sum = __SMLAD(input1, input2, sum);
+
+        /* Reading two inputs of SrcA buffer and packing */
+        in1 = (q15_t) * px++;
+        in2 = (q15_t) * px++;
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+        /* Reading two inputs of SrcB buffer and packing */
+        in1 = (q15_t) * py--;
+        in2 = (q15_t) * py--;
+        input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+        /* Perform the multiply-accumulates */
+        sum = __SMLAD(input1, input2, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += ((q15_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q7_t) (__SSAT(sum >> 7u, 8));
+
+      /* Increment the pointer pIn1 index, count by 1 */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+  else
+  {
+    /* If the srcBLen is not a multiple of 4,   
+     * the blockSize2 loop cannot be unrolled by 4 */
+    blkCnt = blockSize2;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* srcBLen number of MACS should be performed */
+      k = srcBLen;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += ((q15_t) * px++ * *py--);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut++ = (q7_t) (__SSAT(sum >> 7u, 8));
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pSrc2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+
+
+  /* --------------------------   
+   * Initializations of stage3   
+   * -------------------------*/
+
+  /* sum += x[srcALen-srcBLen+1] * y[srcBLen-1] + x[srcALen-srcBLen+2] * y[srcBLen-2] +...+ x[srcALen-1] * y[1]   
+   * sum += x[srcALen-srcBLen+2] * y[srcBLen-1] + x[srcALen-srcBLen+3] * y[srcBLen-2] +...+ x[srcALen-1] * y[2]   
+   * ....   
+   * sum +=  x[srcALen-2] * y[srcBLen-1] + x[srcALen-1] * y[srcBLen-2]   
+   * sum +=  x[srcALen-1] * y[srcBLen-1]   
+   */
+
+  /* In this stage the MAC operations are decreased by 1 for every iteration.   
+     The blockSize3 variable holds the number of MAC operations performed */
+
+  /* Working pointer of inputA */
+  pSrc1 = pIn1 + (srcALen - (srcBLen - 1u));
+  px = pSrc1;
+
+  /* Working pointer of inputB */
+  pSrc2 = pIn2 + (srcBLen - 1u);
+  py = pSrc2;
+
+  /* -------------------   
+   * Stage3 process   
+   * ------------------*/
+
+  while(blockSize3 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = blockSize3 >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* Reading two inputs, x[srcALen - srcBLen + 1] and x[srcALen - srcBLen + 2] of SrcA buffer and packing */
+      in1 = (q15_t) * px++;
+      in2 = (q15_t) * px++;
+      input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+      /* Reading two inputs, y[srcBLen - 1] and y[srcBLen - 2] of SrcB buffer and packing */
+      in1 = (q15_t) * py--;
+      in2 = (q15_t) * py--;
+      input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+      /* sum += x[srcALen - srcBLen + 1] * y[srcBLen - 1] */
+      /* sum += x[srcALen - srcBLen + 2] * y[srcBLen - 2] */
+      sum = __SMLAD(input1, input2, sum);
+
+      /* Reading two inputs, x[srcALen - srcBLen + 3] and x[srcALen - srcBLen + 4] of SrcA buffer and packing */
+      in1 = (q15_t) * px++;
+      in2 = (q15_t) * px++;
+      input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+      /* Reading two inputs, y[srcBLen - 3] and y[srcBLen - 4] of SrcB buffer and packing */
+      in1 = (q15_t) * py--;
+      in2 = (q15_t) * py--;
+      input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16u);
+
+      /* sum += x[srcALen - srcBLen + 3] * y[srcBLen - 3] */
+      /* sum += x[srcALen - srcBLen + 4] * y[srcBLen - 4] */
+      sum = __SMLAD(input1, input2, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the blockSize3 is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = blockSize3 % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      sum += ((q15_t) * px++ * *py--);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut++ = (q7_t) (__SSAT(sum >> 7u, 8));
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pSrc2;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q7_t *pIn1 = pSrcA;                            /* input pointer */
+  q7_t *pIn2 = pSrcB;                            /* coefficient pointer */
+  q31_t sum;                                     /* Accumulator */
+  uint32_t i, j;                                 /* loop counter */
+
+  /* Loop to calculate output of convolution for output length number of times */
+  for (i = 0; i < (srcALen + srcBLen - 1); i++)
+  {
+    /* Initialize sum with zero to carry on MAC operations */
+    sum = 0;
+
+    /* Loop to perform MAC operations according to convolution equation */
+    for (j = 0; j <= i; j++)
+    {
+      /* Check the array limitations */
+      if(((i - j) < srcBLen) && (j < srcALen))
+      {
+        /* z[i] += x[i-j] * y[j] */
+        sum += (q15_t) pIn1[j] * (pIn2[i - j]);
+      }
+    }
+
+    /* Store the output in the destination buffer */
+    pDst[i] = (q7_t) __SSAT((sum >> 7u), 8u);
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0        */
+
+}
+
+/**   
+ * @} end of Conv group   
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_f32.c
new file mode 100644
index 0000000000..317950ec49
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_f32.c
@@ -0,0 +1,738 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_correlate_f32.c    
+*    
+* Description:	 Correlation of floating-point sequences.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+* 
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+*    
+* -------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @defgroup Corr Correlation    
+ *    
+ * Correlation is a mathematical operation that is similar to convolution.    
+ * As with convolution, correlation uses two signals to produce a third signal.    
+ * The underlying algorithms in correlation and convolution are identical except that one of the inputs is flipped in convolution.    
+ * Correlation is commonly used to measure the similarity between two signals.    
+ * It has applications in pattern recognition, cryptanalysis, and searching.    
+ * The CMSIS library provides correlation functions for Q7, Q15, Q31 and floating-point data types.    
+ * Fast versions of the Q15 and Q31 functions are also provided.    
+ *    
+ * \par Algorithm    
+ * Let a[n] and b[n] be sequences of length srcALen and srcBLen samples respectively.    
+ * The convolution of the two signals is denoted by    
+ * 
    
+ *                   c[n] = a[n] * b[n]    
+ * 
    
+ * In correlation, one of the signals is flipped in time    
+ * 
    
+ *                   c[n] = a[n] * b[-n]    
+ * 
    
+ *    
+ * \par    
+ * and this is mathematically defined as    
+ * \image html CorrelateEquation.gif    
+ * \par    
+ * The pSrcA points to the first input vector of length srcALen and pSrcB points to the second input vector of length srcBLen.    
+ * The result c[n] is of length 2 * max(srcALen, srcBLen) - 1 and is defined over the interval n=0, 1, 2, ..., (2 * max(srcALen, srcBLen) - 2).    
+ * The output result is written to pDst and the calling function must allocate 2 * max(srcALen, srcBLen) - 1 words for the result.    
+ *    
+ * Note   
+ * \par  
+ * The pDst should be initialized to all zeros before being used.  
+ *  
+ * Fixed-Point Behavior    
+ * \par    
+ * Correlation requires summing up a large number of intermediate products.    
+ * As such, the Q7, Q15, and Q31 functions run a risk of overflow and saturation.    
+ * Refer to the function specific documentation below for further details of the particular algorithm used.    
+ *
+ *
+ * Fast Versions
+ *
+ * \par 
+ * Fast versions are supported for Q31 and Q15.  Cycles for Fast versions are less compared to Q31 and Q15 of correlate and the design requires
+ * the input signals should be scaled down to avoid intermediate overflows.   
+ *
+ *
+ * Opt Versions
+ *
+ * \par 
+ * Opt versions are supported for Q15 and Q7.  Design uses internal scratch buffer for getting good optimisation.
+ * These versions are optimised in cycles and consumes more memory(Scratch memory) compared to Q15 and Q7 versions of correlate 
+ */
+
+/**    
+ * @addtogroup Corr    
+ * @{    
+ */
+/**    
+ * @brief Correlation of floating-point sequences.    
+ * @param[in]  *pSrcA points to the first input sequence.    
+ * @param[in]  srcALen length of the first input sequence.    
+ * @param[in]  *pSrcB points to the second input sequence.    
+ * @param[in]  srcBLen length of the second input sequence.    
+ * @param[out] *pDst points to the location where the output result is written.  Length 2 * max(srcALen, srcBLen) - 1.    
+ * @return none.    
+ */
+
+void arm_correlate_f32(
+  float32_t * pSrcA,
+  uint32_t srcALen,
+  float32_t * pSrcB,
+  uint32_t srcBLen,
+  float32_t * pDst)
+{
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  float32_t *pIn1;                               /* inputA pointer */
+  float32_t *pIn2;                               /* inputB pointer */
+  float32_t *pOut = pDst;                        /* output pointer */
+  float32_t *px;                                 /* Intermediate inputA pointer */
+  float32_t *py;                                 /* Intermediate inputB pointer */
+  float32_t *pSrc1;                              /* Intermediate pointers */
+  float32_t sum, acc0, acc1, acc2, acc3;         /* Accumulators */
+  float32_t x0, x1, x2, x3, c0;                  /* temporary variables for holding input and coefficient values */
+  uint32_t j, k = 0u, count, blkCnt, outBlockSize, blockSize1, blockSize2, blockSize3;  /* loop counters */
+  int32_t inc = 1;                               /* Destination address modifier */
+
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  /* But CORR(x, y) is reverse of CORR(y, x) */
+  /* So, when srcBLen > srcALen, output pointer is made to point to the end of the output buffer */
+  /* and the destination pointer modifier, inc is set to -1 */
+  /* If srcALen > srcBLen, zero pad has to be done to srcB to make the two inputs of same length */
+  /* But to improve the performance,    
+   * we include zeroes in the output instead of zero padding either of the the inputs*/
+  /* If srcALen > srcBLen,    
+   * (srcALen - srcBLen) zeroes has to included in the starting of the output buffer */
+  /* If srcALen < srcBLen,    
+   * (srcALen - srcBLen) zeroes has to included in the ending of the output buffer */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcA;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcB;
+
+    /* Number of output samples is calculated */
+    outBlockSize = (2u * srcALen) - 1u;
+
+    /* When srcALen > srcBLen, zero padding has to be done to srcB    
+     * to make their lengths equal.    
+     * Instead, (outBlockSize - (srcALen + srcBLen - 1))    
+     * number of output samples are made zero */
+    j = outBlockSize - (srcALen + (srcBLen - 1u));
+
+    /* Updating the pointer position to non zero value */
+    pOut += j;
+
+    //while(j > 0u)   
+    //{   
+    //  /* Zero is stored in the destination buffer */   
+    //  *pOut++ = 0.0f;   
+
+    //  /* Decrement the loop counter */   
+    //  j--;   
+    //}   
+
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = pSrcB;
+
+    /* Initialization of inputB pointer */
+    pIn2 = pSrcA;
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+
+    /* CORR(x, y) = Reverse order(CORR(y, x)) */
+    /* Hence set the destination pointer to point to the last output sample */
+    pOut = pDst + ((srcALen + srcBLen) - 2u);
+
+    /* Destination address modifier is set to -1 */
+    inc = -1;
+
+  }
+
+  /* The function is internally    
+   * divided into three parts according to the number of multiplications that has to be    
+   * taken place between inputA samples and inputB samples. In the first part of the    
+   * algorithm, the multiplications increase by one for every iteration.    
+   * In the second part of the algorithm, srcBLen number of multiplications are done.    
+   * In the third part of the algorithm, the multiplications decrease by one    
+   * for every iteration.*/
+  /* The algorithm is implemented in three stages.    
+   * The loop counters of each stage is initiated here. */
+  blockSize1 = srcBLen - 1u;
+  blockSize2 = srcALen - (srcBLen - 1u);
+  blockSize3 = blockSize1;
+
+  /* --------------------------    
+   * Initializations of stage1    
+   * -------------------------*/
+
+  /* sum = x[0] * y[srcBlen - 1]    
+   * sum = x[0] * y[srcBlen-2] + x[1] * y[srcBlen - 1]    
+   * ....    
+   * sum = x[0] * y[0] + x[1] * y[1] +...+ x[srcBLen - 1] * y[srcBLen - 1]    
+   */
+
+  /* In this stage the MAC operations are increased by 1 for every iteration.    
+     The count variable holds the number of MAC operations performed */
+  count = 1u;
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  pSrc1 = pIn2 + (srcBLen - 1u);
+  py = pSrc1;
+
+  /* ------------------------    
+   * Stage1 process    
+   * ----------------------*/
+
+  /* The first stage starts here */
+  while(blockSize1 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0.0f;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* x[0] * y[srcBLen - 4] */
+      sum += *px++ * *py++;
+      /* x[1] * y[srcBLen - 3] */
+      sum += *px++ * *py++;
+      /* x[2] * y[srcBLen - 2] */
+      sum += *px++ * *py++;
+      /* x[3] * y[srcBLen - 1] */
+      sum += *px++ * *py++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.    
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      /* x[0] * y[srcBLen - 1] */
+      sum += *px++ * *py++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = sum;
+    /* Destination pointer is updated according to the address modifier, inc */
+    pOut += inc;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pSrc1 - count;
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* --------------------------    
+   * Initializations of stage2    
+   * ------------------------*/
+
+  /* sum = x[0] * y[0] + x[1] * y[1] +...+ x[srcBLen-1] * y[srcBLen-1]    
+   * sum = x[1] * y[0] + x[2] * y[1] +...+ x[srcBLen] * y[srcBLen-1]    
+   * ....    
+   * sum = x[srcALen-srcBLen-2] * y[0] + x[srcALen-srcBLen-1] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]    
+   */
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+  /* count is index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+  /* -------------------    
+   * Stage2 process    
+   * ------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.    
+   * So, to loop unroll over blockSize2,    
+   * srcBLen should be greater than or equal to 4, to loop unroll the srcBLen loop */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll over blockSize2, by 4 */
+    blkCnt = blockSize2 >> 2u;
+
+    while(blkCnt > 0u)
+    {
+      /* Set all accumulators to zero */
+      acc0 = 0.0f;
+      acc1 = 0.0f;
+      acc2 = 0.0f;
+      acc3 = 0.0f;
+
+      /* read x[0], x[1], x[2] samples */
+      x0 = *(px++);
+      x1 = *(px++);
+      x2 = *(px++);
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      do
+      {
+        /* Read y[0] sample */
+        c0 = *(py++);
+
+        /* Read x[3] sample */
+        x3 = *(px++);
+
+        /* Perform the multiply-accumulate */
+        /* acc0 +=  x[0] * y[0] */
+        acc0 += x0 * c0;
+        /* acc1 +=  x[1] * y[0] */
+        acc1 += x1 * c0;
+        /* acc2 +=  x[2] * y[0] */
+        acc2 += x2 * c0;
+        /* acc3 +=  x[3] * y[0] */
+        acc3 += x3 * c0;
+
+        /* Read y[1] sample */
+        c0 = *(py++);
+
+        /* Read x[4] sample */
+        x0 = *(px++);
+
+        /* Perform the multiply-accumulate */
+        /* acc0 +=  x[1] * y[1] */
+        acc0 += x1 * c0;
+        /* acc1 +=  x[2] * y[1] */
+        acc1 += x2 * c0;
+        /* acc2 +=  x[3] * y[1] */
+        acc2 += x3 * c0;
+        /* acc3 +=  x[4] * y[1] */
+        acc3 += x0 * c0;
+
+        /* Read y[2] sample */
+        c0 = *(py++);
+
+        /* Read x[5] sample */
+        x1 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[2] * y[2] */
+        acc0 += x2 * c0;
+        /* acc1 +=  x[3] * y[2] */
+        acc1 += x3 * c0;
+        /* acc2 +=  x[4] * y[2] */
+        acc2 += x0 * c0;
+        /* acc3 +=  x[5] * y[2] */
+        acc3 += x1 * c0;
+
+        /* Read y[3] sample */
+        c0 = *(py++);
+
+        /* Read x[6] sample */
+        x2 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[3] * y[3] */
+        acc0 += x3 * c0;
+        /* acc1 +=  x[4] * y[3] */
+        acc1 += x0 * c0;
+        /* acc2 +=  x[5] * y[3] */
+        acc2 += x1 * c0;
+        /* acc3 +=  x[6] * y[3] */
+        acc3 += x2 * c0;
+
+
+      } while(--k);
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Read y[4] sample */
+        c0 = *(py++);
+
+        /* Read x[7] sample */
+        x3 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[4] * y[4] */
+        acc0 += x0 * c0;
+        /* acc1 +=  x[5] * y[4] */
+        acc1 += x1 * c0;
+        /* acc2 +=  x[6] * y[4] */
+        acc2 += x2 * c0;
+        /* acc3 +=  x[7] * y[4] */
+        acc3 += x3 * c0;
+
+        /* Reuse the present samples for the next MAC */
+        x0 = x1;
+        x1 = x2;
+        x2 = x3;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = acc0;
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      *pOut = acc1;
+      pOut += inc;
+
+      *pOut = acc2;
+      pOut += inc;
+
+      *pOut = acc3;
+      pOut += inc;
+
+      /* Increment the pointer pIn1 index, count by 4 */
+      count += 4u;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+    blkCnt = blockSize2 % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0.0f;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += *px++ * *py++;
+        sum += *px++ * *py++;
+        sum += *px++ * *py++;
+        sum += *px++ * *py++;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += *px++ * *py++;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = sum;
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      /* Increment the pointer pIn1 index, count by 1 */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+  else
+  {
+    /* If the srcBLen is not a multiple of 4,    
+     * the blockSize2 loop cannot be unrolled by 4 */
+    blkCnt = blockSize2;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0.0f;
+
+      /* Loop over srcBLen */
+      k = srcBLen;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += *px++ * *py++;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = sum;
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      /* Increment the pointer pIn1 index, count by 1 */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+
+  /* --------------------------    
+   * Initializations of stage3    
+   * -------------------------*/
+
+  /* sum += x[srcALen-srcBLen+1] * y[0] + x[srcALen-srcBLen+2] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]    
+   * sum += x[srcALen-srcBLen+2] * y[0] + x[srcALen-srcBLen+3] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]    
+   * ....    
+   * sum +=  x[srcALen-2] * y[0] + x[srcALen-1] * y[1]    
+   * sum +=  x[srcALen-1] * y[0]    
+   */
+
+  /* In this stage the MAC operations are decreased by 1 for every iteration.    
+     The count variable holds the number of MAC operations performed */
+  count = srcBLen - 1u;
+
+  /* Working pointer of inputA */
+  pSrc1 = pIn1 + (srcALen - (srcBLen - 1u));
+  px = pSrc1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+  /* -------------------    
+   * Stage3 process    
+   * ------------------*/
+
+  while(blockSize3 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0.0f;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* sum += x[srcALen - srcBLen + 4] * y[3] */
+      sum += *px++ * *py++;
+      /* sum += x[srcALen - srcBLen + 3] * y[2] */
+      sum += *px++ * *py++;
+      /* sum += x[srcALen - srcBLen + 2] * y[1] */
+      sum += *px++ * *py++;
+      /* sum += x[srcALen - srcBLen + 1] * y[0] */
+      sum += *px++ * *py++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.    
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      sum += *px++ * *py++;
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = sum;
+    /* Destination pointer is updated according to the address modifier, inc */
+    pOut += inc;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pIn2;
+
+    /* Decrement the MAC count */
+    count--;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  float32_t *pIn1 = pSrcA;                       /* inputA pointer */
+  float32_t *pIn2 = pSrcB + (srcBLen - 1u);      /* inputB pointer */
+  float32_t sum;                                 /* Accumulator */
+  uint32_t i = 0u, j;                            /* loop counters */
+  uint32_t inv = 0u;                             /* Reverse order flag */
+  uint32_t tot = 0u;                             /* Length */
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  /* But CORR(x, y) is reverse of CORR(y, x) */
+  /* So, when srcBLen > srcALen, output pointer is made to point to the end of the output buffer */
+  /* and a varaible, inv is set to 1 */
+  /* If lengths are not equal then zero pad has to be done to  make the two    
+   * inputs of same length. But to improve the performance, we include zeroes    
+   * in the output instead of zero padding either of the the inputs*/
+  /* If srcALen > srcBLen, (srcALen - srcBLen) zeroes has to included in the    
+   * starting of the output buffer */
+  /* If srcALen < srcBLen, (srcALen - srcBLen) zeroes has to included in the   
+   * ending of the output buffer */
+  /* Once the zero padding is done the remaining of the output is calcualted   
+   * using convolution but with the shorter signal time shifted. */
+
+  /* Calculate the length of the remaining sequence */
+  tot = ((srcALen + srcBLen) - 2u);
+
+  if(srcALen > srcBLen)
+  {
+    /* Calculating the number of zeros to be padded to the output */
+    j = srcALen - srcBLen;
+
+    /* Initialise the pointer after zero padding */
+    pDst += j;
+  }
+
+  else if(srcALen < srcBLen)
+  {
+    /* Initialization to inputB pointer */
+    pIn1 = pSrcB;
+
+    /* Initialization to the end of inputA pointer */
+    pIn2 = pSrcA + (srcALen - 1u);
+
+    /* Initialisation of the pointer after zero padding */
+    pDst = pDst + tot;
+
+    /* Swapping the lengths */
+    j = srcALen;
+    srcALen = srcBLen;
+    srcBLen = j;
+
+    /* Setting the reverse flag */
+    inv = 1;
+
+  }
+
+  /* Loop to calculate convolution for output length number of times */
+  for (i = 0u; i <= tot; i++)
+  {
+    /* Initialize sum with zero to carry on MAC operations */
+    sum = 0.0f;
+
+    /* Loop to perform MAC operations according to convolution equation */
+    for (j = 0u; j <= i; j++)
+    {
+      /* Check the array limitations */
+      if((((i - j) < srcBLen) && (j < srcALen)))
+      {
+        /* z[i] += x[i-j] * y[j] */
+        sum += pIn1[j] * pIn2[-((int32_t) i - j)];
+      }
+    }
+    /* Store the output in the destination buffer */
+    if(inv == 1)
+      *pDst-- = sum;
+    else
+      *pDst++ = sum;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of Corr group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_fast_opt_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_fast_opt_q15.c
new file mode 100644
index 0000000000..59970e11d4
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_fast_opt_q15.c
@@ -0,0 +1,507 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_correlate_fast_opt_q15.c    
+*    
+* Description:	Fast Q15 Correlation.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+* 
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup Corr    
+ * @{    
+ */
+
+/**    
+ * @brief Correlation of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.    
+ * @param[in] *pSrcA points to the first input sequence.    
+ * @param[in] srcALen length of the first input sequence.    
+ * @param[in] *pSrcB points to the second input sequence.    
+ * @param[in] srcBLen length of the second input sequence.    
+ * @param[out] *pDst points to the location where the output result is written.  Length 2 * max(srcALen, srcBLen) - 1.    
+ * @param[in]  *pScratch points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.   
+ * @return none.    
+ *    
+ *    
+ * \par Restrictions    
+ *  If the silicon does not support unaligned memory access enable the macro UNALIGNED_SUPPORT_DISABLE    
+ *	In this case input, output, scratch buffers should be aligned by 32-bit    
+ *    
+ *     
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * This fast version uses a 32-bit accumulator with 2.30 format.    
+ * The accumulator maintains full precision of the intermediate multiplication results but provides only a single guard bit.    
+ * There is no saturation on intermediate additions.    
+ * Thus, if the accumulator overflows it wraps around and distorts the result.    
+ * The input signals should be scaled down to avoid intermediate overflows.    
+ * Scale down one of the inputs by 1/min(srcALen, srcBLen) to avoid overflow since a    
+ * maximum of min(srcALen, srcBLen) number of additions is carried internally.    
+ * The 2.30 accumulator is right shifted by 15 bits and then saturated to 1.15 format to yield the final result.    
+ *    
+ * \par    
+ * See arm_correlate_q15() for a slower implementation of this function which uses a 64-bit accumulator to avoid wrap around distortion.    
+ */
+
+void arm_correlate_fast_opt_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  q15_t * pScratch)
+{
+  q15_t *pIn1;                                   /* inputA pointer               */
+  q15_t *pIn2;                                   /* inputB pointer               */
+  q31_t acc0, acc1, acc2, acc3;                  /* Accumulators                  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  q31_t x1, x2, x3;                              /* temporary variables for holding input and coefficient values */
+  uint32_t j, blkCnt, outBlockSize;              /* loop counter                 */
+  int32_t inc = 1;                               /* Destination address modifier */
+  uint32_t tapCnt;
+  q31_t y1, y2;
+  q15_t *pScr;                                   /* Intermediate pointers        */
+  q15_t *pOut = pDst;                            /* output pointer               */
+#ifdef UNALIGNED_SUPPORT_DISABLE
+
+  q15_t a, b;
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  /* But CORR(x, y) is reverse of CORR(y, x) */
+  /* So, when srcBLen > srcALen, output pointer is made to point to the end of the output buffer */
+  /* and the destination pointer modifier, inc is set to -1 */
+  /* If srcALen > srcBLen, zero pad has to be done to srcB to make the two inputs of same length */
+  /* But to improve the performance,        
+   * we include zeroes in the output instead of zero padding either of the the inputs*/
+  /* If srcALen > srcBLen,        
+   * (srcALen - srcBLen) zeroes has to included in the starting of the output buffer */
+  /* If srcALen < srcBLen,        
+   * (srcALen - srcBLen) zeroes has to included in the ending of the output buffer */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcA);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcB);
+
+    /* Number of output samples is calculated */
+    outBlockSize = (2u * srcALen) - 1u;
+
+    /* When srcALen > srcBLen, zero padding is done to srcB        
+     * to make their lengths equal.        
+     * Instead, (outBlockSize - (srcALen + srcBLen - 1))        
+     * number of output samples are made zero */
+    j = outBlockSize - (srcALen + (srcBLen - 1u));
+
+    /* Updating the pointer position to non zero value */
+    pOut += j;
+
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcB);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcA);
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+
+    /* CORR(x, y) = Reverse order(CORR(y, x)) */
+    /* Hence set the destination pointer to point to the last output sample */
+    pOut = pDst + ((srcALen + srcBLen) - 2u);
+
+    /* Destination address modifier is set to -1 */
+    inc = -1;
+
+  }
+
+  pScr = pScratch;
+
+  /* Fill (srcBLen - 1u) zeros in scratch buffer */
+  arm_fill_q15(0, pScr, (srcBLen - 1u));
+
+  /* Update temporary scratch pointer */
+  pScr += (srcBLen - 1u);
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  /* Copy (srcALen) samples in scratch buffer */
+  arm_copy_q15(pIn1, pScr, srcALen);
+
+  /* Update pointers */
+  pScr += srcALen;
+
+#else
+
+  /* Apply loop unrolling and do 4 Copies simultaneously. */
+  j = srcALen >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  while(j > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    *pScr++ = *pIn1++;
+    *pScr++ = *pIn1++;
+    *pScr++ = *pIn1++;
+    *pScr++ = *pIn1++;
+
+    /* Decrement the loop counter */
+    j--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  j = srcALen % 0x4u;
+
+  while(j > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    *pScr++ = *pIn1++;
+
+    /* Decrement the loop counter */
+    j--;
+  }
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  /* Fill (srcBLen - 1u) zeros at end of scratch buffer */
+  arm_fill_q15(0, pScr, (srcBLen - 1u));
+
+  /* Update pointer */
+  pScr += (srcBLen - 1u);
+
+#else
+
+/* Apply loop unrolling and do 4 Copies simultaneously. */
+  j = (srcBLen - 1u) >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  while(j > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    *pScr++ = 0;
+    *pScr++ = 0;
+    *pScr++ = 0;
+    *pScr++ = 0;
+
+    /* Decrement the loop counter */
+    j--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  j = (srcBLen - 1u) % 0x4u;
+
+  while(j > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    *pScr++ = 0;
+
+    /* Decrement the loop counter */
+    j--;
+  }
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+  /* Temporary pointer for scratch2 */
+  py = pIn2;
+
+
+  /* Actual correlation process starts here */
+  blkCnt = (srcALen + srcBLen - 1u) >> 2;
+
+  while(blkCnt > 0)
+  {
+    /* Initialze temporary scratch pointer as scratch1 */
+    pScr = pScratch;
+
+    /* Clear Accumlators */
+    acc0 = 0;
+    acc1 = 0;
+    acc2 = 0;
+    acc3 = 0;
+
+    /* Read four samples from scratch1 buffer */
+    x1 = *__SIMD32(pScr)++;
+
+    /* Read next four samples from scratch1 buffer */
+    x2 = *__SIMD32(pScr)++;
+
+    tapCnt = (srcBLen) >> 2u;
+
+    while(tapCnt > 0u)
+    {
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+      /* Read four samples from smaller buffer */
+      y1 = _SIMD32_OFFSET(pIn2);
+      y2 = _SIMD32_OFFSET(pIn2 + 2u);
+
+      acc0 = __SMLAD(x1, y1, acc0);
+
+      acc2 = __SMLAD(x2, y1, acc2);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc1 = __SMLADX(x3, y1, acc1);
+
+      x1 = _SIMD32_OFFSET(pScr);
+
+      acc0 = __SMLAD(x2, y2, acc0);
+
+      acc2 = __SMLAD(x1, y2, acc2);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x1, x2, 0);
+#else
+      x3 = __PKHBT(x2, x1, 0);
+#endif
+
+      acc3 = __SMLADX(x3, y1, acc3);
+
+      acc1 = __SMLADX(x3, y2, acc1);
+
+      x2 = _SIMD32_OFFSET(pScr + 2u);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc3 = __SMLADX(x3, y2, acc3);
+#else	 
+
+      /* Read four samples from smaller buffer */
+	  a = *pIn2;
+	  b = *(pIn2 + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      y1 = __PKHBT(a, b, 16);
+#else
+      y1 = __PKHBT(b, a, 16);
+#endif
+	  
+	  a = *(pIn2 + 2);
+	  b = *(pIn2 + 3);
+#ifndef ARM_MATH_BIG_ENDIAN
+      y2 = __PKHBT(a, b, 16);
+#else
+      y2 = __PKHBT(b, a, 16);
+#endif				
+
+      acc0 = __SMLAD(x1, y1, acc0);
+
+      acc2 = __SMLAD(x2, y1, acc2);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc1 = __SMLADX(x3, y1, acc1);
+
+	  a = *pScr;
+	  b = *(pScr + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x1 = __PKHBT(a, b, 16);
+#else
+      x1 = __PKHBT(b, a, 16);
+#endif
+
+      acc0 = __SMLAD(x2, y2, acc0);
+
+      acc2 = __SMLAD(x1, y2, acc2);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x1, x2, 0);
+#else
+      x3 = __PKHBT(x2, x1, 0);
+#endif
+
+      acc3 = __SMLADX(x3, y1, acc3);
+
+      acc1 = __SMLADX(x3, y2, acc1);
+
+	  a = *(pScr + 2);
+	  b = *(pScr + 3);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x2 = __PKHBT(a, b, 16);
+#else
+      x2 = __PKHBT(b, a, 16);
+#endif
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc3 = __SMLADX(x3, y2, acc3);
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+      pIn2 += 4u;
+
+      pScr += 4u;
+
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+
+
+    /* Update scratch pointer for remaining samples of smaller length sequence */
+    pScr -= 4u;
+
+
+    /* apply same above for remaining samples of smaller length sequence */
+    tapCnt = (srcBLen) & 3u;
+
+    while(tapCnt > 0u)
+    {
+
+      /* accumlate the results */
+      acc0 += (*pScr++ * *pIn2);
+      acc1 += (*pScr++ * *pIn2);
+      acc2 += (*pScr++ * *pIn2);
+      acc3 += (*pScr++ * *pIn2++);
+
+      pScr -= 3u;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    blkCnt--;
+
+
+    /* Store the results in the accumulators in the destination buffer. */
+    *pOut = (__SSAT(acc0 >> 15u, 16));
+    pOut += inc;
+    *pOut = (__SSAT(acc1 >> 15u, 16));
+    pOut += inc;
+    *pOut = (__SSAT(acc2 >> 15u, 16));
+    pOut += inc;
+    *pOut = (__SSAT(acc3 >> 15u, 16));
+    pOut += inc;
+
+
+    /* Initialization of inputB pointer */
+    pIn2 = py;
+
+    pScratch += 4u;
+
+  }
+
+
+  blkCnt = (srcALen + srcBLen - 1u) & 0x3;
+
+  /* Calculate correlation for remaining samples of Bigger length sequence */
+  while(blkCnt > 0)
+  {
+    /* Initialze temporary scratch pointer as scratch1 */
+    pScr = pScratch;
+
+    /* Clear Accumlators */
+    acc0 = 0;
+
+    tapCnt = (srcBLen) >> 1u;
+
+    while(tapCnt > 0u)
+    {
+
+      acc0 += (*pScr++ * *pIn2++);
+      acc0 += (*pScr++ * *pIn2++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    tapCnt = (srcBLen) & 1u;
+
+    /* apply same above for remaining samples of smaller length sequence */
+    while(tapCnt > 0u)
+    {
+
+      /* accumlate the results */
+      acc0 += (*pScr++ * *pIn2++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    blkCnt--;
+
+    /* Store the result in the accumulator in the destination buffer. */
+
+    *pOut = (q15_t) (__SSAT((acc0 >> 15), 16));
+
+    pOut += inc;
+
+    /* Initialization of inputB pointer */
+    pIn2 = py;
+
+    pScratch += 1u;
+
+  }
+}
+
+/**    
+ * @} end of Corr group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_fast_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_fast_q15.c
new file mode 100644
index 0000000000..ca7fe1f2ab
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_fast_q15.c
@@ -0,0 +1,1314 @@
+/* ----------------------------------------------------------------------   
+* Copyright (C) 2010 ARM Limited. All rights reserved.   
+*   
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*   
+* Project: 	    CMSIS DSP Library   
+* Title:		arm_correlate_fast_q15.c   
+*   
+* Description:	Fast Q15 Correlation.   
+*   
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+* 
+* Version 1.0.11 2011/10/18 
+*    Bug Fix in conv, correlation, partial convolution. 
+*
+* Version 1.0.10 2011/7/15 
+*    Big Endian support added and Merged M0 and M3/M4 Source code.  
+*   
+* Version 1.0.3 2010/11/29  
+*    Re-organized the CMSIS folders and updated documentation.   
+*    
+* Version 1.0.2 2010/11/11   
+*    Documentation updated.    
+*   
+* Version 1.0.1 2010/10/05    
+*    Production release and review comments incorporated.   
+*   
+* Version 1.0.0 2010/09/20    
+*    Production release and review comments incorporated.   
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**   
+ * @ingroup groupFilters   
+ */
+
+/**   
+ * @addtogroup Corr   
+ * @{   
+ */
+
+/**   
+ * @brief Correlation of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.   
+ * @param[in] *pSrcA points to the first input sequence.   
+ * @param[in] srcALen length of the first input sequence.   
+ * @param[in] *pSrcB points to the second input sequence.   
+ * @param[in] srcBLen length of the second input sequence.   
+ * @param[out] *pDst points to the location where the output result is written.  Length 2 * max(srcALen, srcBLen) - 1.   
+ * @return none.   
+ *   
+ * Scaling and Overflow Behavior:   
+ *   
+ * \par   
+ * This fast version uses a 32-bit accumulator with 2.30 format.   
+ * The accumulator maintains full precision of the intermediate multiplication results but provides only a single guard bit.   
+ * There is no saturation on intermediate additions.   
+ * Thus, if the accumulator overflows it wraps around and distorts the result.   
+ * The input signals should be scaled down to avoid intermediate overflows.   
+ * Scale down one of the inputs by 1/min(srcALen, srcBLen) to avoid overflow since a   
+ * maximum of min(srcALen, srcBLen) number of additions is carried internally.   
+ * The 2.30 accumulator is right shifted by 15 bits and then saturated to 1.15 format to yield the final result.   
+ *   
+ * \par   
+ * See arm_correlate_q15() for a slower implementation of this function which uses a 64-bit accumulator to avoid wrap around distortion.   
+ */
+
+void arm_correlate_fast_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst)
+{
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  q15_t *pIn1;                                   /* inputA pointer               */
+  q15_t *pIn2;                                   /* inputB pointer               */
+  q15_t *pOut = pDst;                            /* output pointer               */
+  q31_t sum, acc0, acc1, acc2, acc3;             /* Accumulators                  */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  q15_t *pSrc1;                                  /* Intermediate pointers        */
+  q31_t x0, x1, x2, x3, c0;                      /* temporary variables for holding input and coefficient values */
+  uint32_t j, k = 0u, count, blkCnt, outBlockSize, blockSize1, blockSize2, blockSize3;  /* loop counter                 */
+  int32_t inc = 1;                               /* Destination address modifier */
+
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  /* But CORR(x, y) is reverse of CORR(y, x) */
+  /* So, when srcBLen > srcALen, output pointer is made to point to the end of the output buffer */
+  /* and the destination pointer modifier, inc is set to -1 */
+  /* If srcALen > srcBLen, zero pad has to be done to srcB to make the two inputs of same length */
+  /* But to improve the performance,   
+   * we include zeroes in the output instead of zero padding either of the the inputs*/
+  /* If srcALen > srcBLen,   
+   * (srcALen - srcBLen) zeroes has to included in the starting of the output buffer */
+  /* If srcALen < srcBLen,   
+   * (srcALen - srcBLen) zeroes has to included in the ending of the output buffer */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcA);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcB);
+
+    /* Number of output samples is calculated */
+    outBlockSize = (2u * srcALen) - 1u;
+
+    /* When srcALen > srcBLen, zero padding is done to srcB   
+     * to make their lengths equal.   
+     * Instead, (outBlockSize - (srcALen + srcBLen - 1))   
+     * number of output samples are made zero */
+    j = outBlockSize - (srcALen + (srcBLen - 1u));
+
+    /* Updating the pointer position to non zero value */
+    pOut += j;
+
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcB);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcA);
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+
+    /* CORR(x, y) = Reverse order(CORR(y, x)) */
+    /* Hence set the destination pointer to point to the last output sample */
+    pOut = pDst + ((srcALen + srcBLen) - 2u);
+
+    /* Destination address modifier is set to -1 */
+    inc = -1;
+
+  }
+
+  /* The function is internally   
+   * divided into three parts according to the number of multiplications that has to be   
+   * taken place between inputA samples and inputB samples. In the first part of the   
+   * algorithm, the multiplications increase by one for every iteration.   
+   * In the second part of the algorithm, srcBLen number of multiplications are done.   
+   * In the third part of the algorithm, the multiplications decrease by one   
+   * for every iteration.*/
+  /* The algorithm is implemented in three stages.   
+   * The loop counters of each stage is initiated here. */
+  blockSize1 = srcBLen - 1u;
+  blockSize2 = srcALen - (srcBLen - 1u);
+  blockSize3 = blockSize1;
+
+  /* --------------------------   
+   * Initializations of stage1   
+   * -------------------------*/
+
+  /* sum = x[0] * y[srcBlen - 1]   
+   * sum = x[0] * y[srcBlen - 2] + x[1] * y[srcBlen - 1]   
+   * ....   
+   * sum = x[0] * y[0] + x[1] * y[1] +...+ x[srcBLen - 1] * y[srcBLen - 1]   
+   */
+
+  /* In this stage the MAC operations are increased by 1 for every iteration.   
+     The count variable holds the number of MAC operations performed */
+  count = 1u;
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  pSrc1 = pIn2 + (srcBLen - 1u);
+  py = pSrc1;
+
+  /* ------------------------   
+   * Stage1 process   
+   * ----------------------*/
+
+  /* The first loop starts here */
+  while(blockSize1 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* x[0] * y[srcBLen - 4] , x[1] * y[srcBLen - 3] */
+      sum = __SMLAD(*__SIMD32(px)++, *__SIMD32(py)++, sum);
+      /* x[3] * y[srcBLen - 1] , x[2] * y[srcBLen - 2] */
+      sum = __SMLAD(*__SIMD32(px)++, *__SIMD32(py)++, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* x[0] * y[srcBLen - 1] */
+      sum = __SMLAD(*px++, *py++, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = (q15_t) (sum >> 15);
+    /* Destination pointer is updated according to the address modifier, inc */
+    pOut += inc;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pSrc1 - count;
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* --------------------------   
+   * Initializations of stage2   
+   * ------------------------*/
+
+  /* sum = x[0] * y[0] + x[1] * y[1] +...+ x[srcBLen-1] * y[srcBLen-1]   
+   * sum = x[1] * y[0] + x[2] * y[1] +...+ x[srcBLen] * y[srcBLen-1]   
+   * ....   
+   * sum = x[srcALen-srcBLen-2] * y[0] + x[srcALen-srcBLen-1] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]   
+   */
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+  /* count is index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+  /* -------------------   
+   * Stage2 process   
+   * ------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.   
+   * So, to loop unroll over blockSize2,   
+   * srcBLen should be greater than or equal to 4, to loop unroll the srcBLen loop */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll over blockSize2, by 4 */
+    blkCnt = blockSize2 >> 2u;
+
+    while(blkCnt > 0u)
+    {
+      /* Set all accumulators to zero */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+      /* read x[0], x[1] samples */
+      x0 = *__SIMD32(px);
+      /* read x[1], x[2] samples */
+      x1 = _SIMD32_OFFSET(px + 1);
+	  px += 2u;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      do
+      {
+        /* Read the first two inputB samples using SIMD:   
+         * y[0] and y[1] */
+        c0 = *__SIMD32(py)++;
+
+        /* acc0 +=  x[0] * y[0] + x[1] * y[1] */
+        acc0 = __SMLAD(x0, c0, acc0);
+
+        /* acc1 +=  x[1] * y[0] + x[2] * y[1] */
+        acc1 = __SMLAD(x1, c0, acc1);
+
+        /* Read x[2], x[3] */
+        x2 = *__SIMD32(px);
+
+        /* Read x[3], x[4] */
+        x3 = _SIMD32_OFFSET(px + 1);
+
+        /* acc2 +=  x[2] * y[0] + x[3] * y[1] */
+        acc2 = __SMLAD(x2, c0, acc2);
+
+        /* acc3 +=  x[3] * y[0] + x[4] * y[1] */
+        acc3 = __SMLAD(x3, c0, acc3);
+
+        /* Read y[2] and y[3] */
+        c0 = *__SIMD32(py)++;
+
+        /* acc0 +=  x[2] * y[2] + x[3] * y[3] */
+        acc0 = __SMLAD(x2, c0, acc0);
+
+        /* acc1 +=  x[3] * y[2] + x[4] * y[3] */
+        acc1 = __SMLAD(x3, c0, acc1);
+
+        /* Read x[4], x[5] */
+        x0 = _SIMD32_OFFSET(px + 2);
+
+        /* Read x[5], x[6] */
+        x1 = _SIMD32_OFFSET(px + 3);
+		px += 4u;
+
+        /* acc2 +=  x[4] * y[2] + x[5] * y[3] */
+        acc2 = __SMLAD(x0, c0, acc2);
+
+        /* acc3 +=  x[5] * y[2] + x[6] * y[3] */
+        acc3 = __SMLAD(x1, c0, acc3);
+
+      } while(--k);
+
+      /* For the next MAC operations, SIMD is not used   
+       * So, the 16 bit pointer if inputB, py is updated */
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      if(k == 1u)
+      {
+        /* Read y[4] */
+        c0 = *py;
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+
+#else
+
+        c0 = c0 & 0x0000FFFF;
+
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+
+        /* Read x[7] */
+        x3 = *__SIMD32(px);
+		px++;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLAD(x0, c0, acc0);
+        acc1 = __SMLAD(x1, c0, acc1);
+        acc2 = __SMLADX(x1, c0, acc2);
+        acc3 = __SMLADX(x3, c0, acc3);
+      }
+
+      if(k == 2u)
+      {
+        /* Read y[4], y[5] */
+        c0 = *__SIMD32(py);
+
+        /* Read x[7], x[8] */
+        x3 = *__SIMD32(px);
+
+        /* Read x[9] */
+        x2 = _SIMD32_OFFSET(px + 1);
+		px += 2u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLAD(x0, c0, acc0);
+        acc1 = __SMLAD(x1, c0, acc1);
+        acc2 = __SMLAD(x3, c0, acc2);
+        acc3 = __SMLAD(x2, c0, acc3);
+      }
+
+      if(k == 3u)
+      {
+        /* Read y[4], y[5] */
+        c0 = *__SIMD32(py)++;
+
+        /* Read x[7], x[8] */
+        x3 = *__SIMD32(px);
+
+        /* Read x[9] */
+        x2 = _SIMD32_OFFSET(px + 1);
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLAD(x0, c0, acc0);
+        acc1 = __SMLAD(x1, c0, acc1);
+        acc2 = __SMLAD(x3, c0, acc2);
+        acc3 = __SMLAD(x2, c0, acc3);
+
+        c0 = (*py);
+        /* Read y[6] */
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+#else
+
+        c0 = c0 & 0x0000FFFF;
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+
+        /* Read x[10] */
+        x3 = _SIMD32_OFFSET(px + 2);
+		px += 3u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLADX(x1, c0, acc0);
+        acc1 = __SMLAD(x2, c0, acc1);
+        acc2 = __SMLADX(x2, c0, acc2);
+        acc3 = __SMLADX(x3, c0, acc3);
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q15_t) (acc0 >> 15);
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      *pOut = (q15_t) (acc1 >> 15);
+      pOut += inc;
+
+      *pOut = (q15_t) (acc2 >> 15);
+      pOut += inc;
+
+      *pOut = (q15_t) (acc3 >> 15);
+      pOut += inc;
+
+      /* Increment the pointer pIn1 index, count by 1 */
+      count += 4u;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.   
+     ** No loop unrolling is used. */
+    blkCnt = blockSize2 % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py++);
+        sum += ((q31_t) * px++ * *py++);
+        sum += ((q31_t) * px++ * *py++);
+        sum += ((q31_t) * px++ * *py++);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py++);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q15_t) (sum >> 15);
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      /* Increment the pointer pIn1 index, count by 1 */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+  else
+  {
+    /* If the srcBLen is not a multiple of 4,   
+     * the blockSize2 loop cannot be unrolled by 4 */
+    blkCnt = blockSize2;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Loop over srcBLen */
+      k = srcBLen;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += ((q31_t) * px++ * *py++);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q15_t) (sum >> 15);
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+
+  /* --------------------------   
+   * Initializations of stage3   
+   * -------------------------*/
+
+  /* sum += x[srcALen-srcBLen+1] * y[0] + x[srcALen-srcBLen+2] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]   
+   * sum += x[srcALen-srcBLen+2] * y[0] + x[srcALen-srcBLen+3] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]   
+   * ....   
+   * sum +=  x[srcALen-2] * y[0] + x[srcALen-1] * y[1]   
+   * sum +=  x[srcALen-1] * y[0]   
+   */
+
+  /* In this stage the MAC operations are decreased by 1 for every iteration.   
+     The count variable holds the number of MAC operations performed */
+  count = srcBLen - 1u;
+
+  /* Working pointer of inputA */
+  pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+  px = pSrc1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+  /* -------------------   
+   * Stage3 process   
+   * ------------------*/
+
+  while(blockSize3 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* sum += x[srcALen - srcBLen + 4] * y[3] , sum += x[srcALen - srcBLen + 3] * y[2] */
+      sum = __SMLAD(*__SIMD32(px)++, *__SIMD32(py)++, sum);
+      /* sum += x[srcALen - srcBLen + 2] * y[1] , sum += x[srcALen - srcBLen + 1] * y[0] */
+      sum = __SMLAD(*__SIMD32(px)++, *__SIMD32(py)++, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      sum = __SMLAD(*px++, *py++, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = (q15_t) (sum >> 15);
+    /* Destination pointer is updated according to the address modifier, inc */
+    pOut += inc;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pIn2;
+
+    /* Decrement the MAC count */
+    count--;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+  }
+
+#else
+
+  q15_t *pIn1;                                   /* inputA pointer               */
+  q15_t *pIn2;                                   /* inputB pointer               */
+  q15_t *pOut = pDst;                            /* output pointer               */
+  q31_t sum, acc0, acc1, acc2, acc3;             /* Accumulators                  */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  q15_t *pSrc1;                                  /* Intermediate pointers        */
+  q31_t x0, x1, x2, x3, c0;                      /* temporary variables for holding input and coefficient values */
+  uint32_t j, k = 0u, count, blkCnt, outBlockSize, blockSize1, blockSize2, blockSize3;  /* loop counter                 */
+  int32_t inc = 1;                               /* Destination address modifier */
+  q15_t a, b;
+
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  /* But CORR(x, y) is reverse of CORR(y, x) */
+  /* So, when srcBLen > srcALen, output pointer is made to point to the end of the output buffer */
+  /* and the destination pointer modifier, inc is set to -1 */
+  /* If srcALen > srcBLen, zero pad has to be done to srcB to make the two inputs of same length */
+  /* But to improve the performance,   
+   * we include zeroes in the output instead of zero padding either of the the inputs*/
+  /* If srcALen > srcBLen,   
+   * (srcALen - srcBLen) zeroes has to included in the starting of the output buffer */
+  /* If srcALen < srcBLen,   
+   * (srcALen - srcBLen) zeroes has to included in the ending of the output buffer */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcA);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcB);
+
+    /* Number of output samples is calculated */
+    outBlockSize = (2u * srcALen) - 1u;
+
+    /* When srcALen > srcBLen, zero padding is done to srcB   
+     * to make their lengths equal.   
+     * Instead, (outBlockSize - (srcALen + srcBLen - 1))   
+     * number of output samples are made zero */
+    j = outBlockSize - (srcALen + (srcBLen - 1u));
+
+    /* Updating the pointer position to non zero value */
+    pOut += j;
+
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcB);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcA);
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+
+    /* CORR(x, y) = Reverse order(CORR(y, x)) */
+    /* Hence set the destination pointer to point to the last output sample */
+    pOut = pDst + ((srcALen + srcBLen) - 2u);
+
+    /* Destination address modifier is set to -1 */
+    inc = -1;
+
+  }
+
+  /* The function is internally   
+   * divided into three parts according to the number of multiplications that has to be   
+   * taken place between inputA samples and inputB samples. In the first part of the   
+   * algorithm, the multiplications increase by one for every iteration.   
+   * In the second part of the algorithm, srcBLen number of multiplications are done.   
+   * In the third part of the algorithm, the multiplications decrease by one   
+   * for every iteration.*/
+  /* The algorithm is implemented in three stages.   
+   * The loop counters of each stage is initiated here. */
+  blockSize1 = srcBLen - 1u;
+  blockSize2 = srcALen - (srcBLen - 1u);
+  blockSize3 = blockSize1;
+
+  /* --------------------------   
+   * Initializations of stage1   
+   * -------------------------*/
+
+  /* sum = x[0] * y[srcBlen - 1]   
+   * sum = x[0] * y[srcBlen - 2] + x[1] * y[srcBlen - 1]   
+   * ....   
+   * sum = x[0] * y[0] + x[1] * y[1] +...+ x[srcBLen - 1] * y[srcBLen - 1]   
+   */
+
+  /* In this stage the MAC operations are increased by 1 for every iteration.   
+     The count variable holds the number of MAC operations performed */
+  count = 1u;
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  pSrc1 = pIn2 + (srcBLen - 1u);
+  py = pSrc1;
+
+  /* ------------------------   
+   * Stage1 process   
+   * ----------------------*/
+
+  /* The first loop starts here */
+  while(blockSize1 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* x[0] * y[srcBLen - 4] , x[1] * y[srcBLen - 3] */
+        sum += ((q31_t) * px++ * *py++);
+        sum += ((q31_t) * px++ * *py++);
+        sum += ((q31_t) * px++ * *py++);
+        sum += ((q31_t) * px++ * *py++);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* x[0] * y[srcBLen - 1] */
+        sum += ((q31_t) * px++ * *py++);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = (q15_t) (sum >> 15);
+    /* Destination pointer is updated according to the address modifier, inc */
+    pOut += inc;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pSrc1 - count;
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* --------------------------   
+   * Initializations of stage2   
+   * ------------------------*/
+
+  /* sum = x[0] * y[0] + x[1] * y[1] +...+ x[srcBLen-1] * y[srcBLen-1]   
+   * sum = x[1] * y[0] + x[2] * y[1] +...+ x[srcBLen] * y[srcBLen-1]   
+   * ....   
+   * sum = x[srcALen-srcBLen-2] * y[0] + x[srcALen-srcBLen-1] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]   
+   */
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+  /* count is index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+  /* -------------------   
+   * Stage2 process   
+   * ------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.   
+   * So, to loop unroll over blockSize2,   
+   * srcBLen should be greater than or equal to 4, to loop unroll the srcBLen loop */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll over blockSize2, by 4 */
+    blkCnt = blockSize2 >> 2u;
+
+    while(blkCnt > 0u)
+    {
+      /* Set all accumulators to zero */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+      /* read x[0], x[1], x[2] samples */
+	  a = *px;
+	  b = *(px + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+	  x0 = __PKHBT(a, b, 16);
+	  a = *(px + 2);
+	  x1 = __PKHBT(b, a, 16);
+
+#else
+
+	  x0 = __PKHBT(b, a, 16);
+	  a = *(px + 2);
+	  x1 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+	  px += 2u;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      do
+      {
+        /* Read the first two inputB samples using SIMD:   
+         * y[0] and y[1] */
+		  a = *py;
+		  b = *(py + 1);
+	
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+		  c0 = __PKHBT(a, b, 16);
+	
+#else
+	
+		  c0 = __PKHBT(b, a, 16);
+	
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+        /* acc0 +=  x[0] * y[0] + x[1] * y[1] */
+        acc0 = __SMLAD(x0, c0, acc0);
+
+        /* acc1 +=  x[1] * y[0] + x[2] * y[1] */
+        acc1 = __SMLAD(x1, c0, acc1);
+
+        /* Read x[2], x[3], x[4] */
+	  	a = *px;
+	  	b = *(px + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+	  	x2 = __PKHBT(a, b, 16);
+	  	a = *(px + 2);
+	  	x3 = __PKHBT(b, a, 16);
+
+#else
+
+	  	x2 = __PKHBT(b, a, 16);
+	  	a = *(px + 2);
+	  	x3 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+        /* acc2 +=  x[2] * y[0] + x[3] * y[1] */
+        acc2 = __SMLAD(x2, c0, acc2);
+
+        /* acc3 +=  x[3] * y[0] + x[4] * y[1] */
+        acc3 = __SMLAD(x3, c0, acc3);
+
+        /* Read y[2] and y[3] */
+		  a = *(py + 2);
+		  b = *(py + 3);
+
+		  py += 4u;
+	
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+		  c0 = __PKHBT(a, b, 16);
+	
+#else
+	
+		  c0 = __PKHBT(b, a, 16);
+	
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+        /* acc0 +=  x[2] * y[2] + x[3] * y[3] */
+        acc0 = __SMLAD(x2, c0, acc0);
+
+        /* acc1 +=  x[3] * y[2] + x[4] * y[3] */
+        acc1 = __SMLAD(x3, c0, acc1);
+
+        /* Read x[4], x[5], x[6] */
+	  	a = *(px + 2);
+	  	b = *(px + 3);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+	  	x0 = __PKHBT(a, b, 16);
+	  	a = *(px + 4);
+	  	x1 = __PKHBT(b, a, 16);
+
+#else
+
+	  	x0 = __PKHBT(b, a, 16);
+	  	a = *(px + 4);
+	  	x1 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+		px += 4u;
+
+        /* acc2 +=  x[4] * y[2] + x[5] * y[3] */
+        acc2 = __SMLAD(x0, c0, acc2);
+
+        /* acc3 +=  x[5] * y[2] + x[6] * y[3] */
+        acc3 = __SMLAD(x1, c0, acc3);
+
+      } while(--k);
+
+      /* For the next MAC operations, SIMD is not used   
+       * So, the 16 bit pointer if inputB, py is updated */
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      if(k == 1u)
+      {
+        /* Read y[4] */
+        c0 = *py;
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+
+#else
+
+        c0 = c0 & 0x0000FFFF;
+
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+
+        /* Read x[7] */
+		a = *px;
+		b = *(px + 1);
+
+		px++;;
+	
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+		x3 = __PKHBT(a, b, 16);
+	
+#else
+	
+		x3 = __PKHBT(b, a, 16);
+	
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+		px++;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLAD(x0, c0, acc0);
+        acc1 = __SMLAD(x1, c0, acc1);
+        acc2 = __SMLADX(x1, c0, acc2);
+        acc3 = __SMLADX(x3, c0, acc3);
+      }
+
+      if(k == 2u)
+      {
+        /* Read y[4], y[5] */
+		  a = *py;
+		  b = *(py + 1);
+	
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+		  c0 = __PKHBT(a, b, 16);
+	
+#else
+	
+		  c0 = __PKHBT(b, a, 16);
+	
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+        /* Read x[7], x[8], x[9] */
+	  	a = *px;
+	  	b = *(px + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+	  	x3 = __PKHBT(a, b, 16);
+	  	a = *(px + 2);
+	  	x2 = __PKHBT(b, a, 16);
+
+#else
+
+	  	x3 = __PKHBT(b, a, 16);
+	  	a = *(px + 2);
+	  	x2 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+		px += 2u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLAD(x0, c0, acc0);
+        acc1 = __SMLAD(x1, c0, acc1);
+        acc2 = __SMLAD(x3, c0, acc2);
+        acc3 = __SMLAD(x2, c0, acc3);
+      }
+
+      if(k == 3u)
+      {
+        /* Read y[4], y[5] */
+		  a = *py;
+		  b = *(py + 1);
+	
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+		  c0 = __PKHBT(a, b, 16);
+	
+#else
+	
+		  c0 = __PKHBT(b, a, 16);
+	
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+		py += 2u;
+
+        /* Read x[7], x[8], x[9] */
+	  	a = *px;
+	  	b = *(px + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+	  	x3 = __PKHBT(a, b, 16);
+	  	a = *(px + 2);
+	  	x2 = __PKHBT(b, a, 16);
+
+#else
+
+	  	x3 = __PKHBT(b, a, 16);
+	  	a = *(px + 2);
+	  	x2 = __PKHBT(a, b, 16);
+
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLAD(x0, c0, acc0);
+        acc1 = __SMLAD(x1, c0, acc1);
+        acc2 = __SMLAD(x3, c0, acc2);
+        acc3 = __SMLAD(x2, c0, acc3);
+
+        c0 = (*py);
+        /* Read y[6] */
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+#else
+
+        c0 = c0 & 0x0000FFFF;
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+
+        /* Read x[10] */
+		b = *(px + 3);
+	
+#ifndef ARM_MATH_BIG_ENDIAN
+	
+		x3 = __PKHBT(a, b, 16);
+	
+#else
+	
+		x3 = __PKHBT(b, a, 16);
+	
+#endif	/*	#ifndef ARM_MATH_BIG_ENDIAN	*/
+
+		px += 3u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLADX(x1, c0, acc0);
+        acc1 = __SMLAD(x2, c0, acc1);
+        acc2 = __SMLADX(x2, c0, acc2);
+        acc3 = __SMLADX(x3, c0, acc3);
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q15_t) (acc0 >> 15);
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      *pOut = (q15_t) (acc1 >> 15);
+      pOut += inc;
+
+      *pOut = (q15_t) (acc2 >> 15);
+      pOut += inc;
+
+      *pOut = (q15_t) (acc3 >> 15);
+      pOut += inc;
+
+      /* Increment the pointer pIn1 index, count by 1 */
+      count += 4u;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.   
+     ** No loop unrolling is used. */
+    blkCnt = blockSize2 % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py++);
+        sum += ((q31_t) * px++ * *py++);
+        sum += ((q31_t) * px++ * *py++);
+        sum += ((q31_t) * px++ * *py++);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py++);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q15_t) (sum >> 15);
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      /* Increment the pointer pIn1 index, count by 1 */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+  else
+  {
+    /* If the srcBLen is not a multiple of 4,   
+     * the blockSize2 loop cannot be unrolled by 4 */
+    blkCnt = blockSize2;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Loop over srcBLen */
+      k = srcBLen;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += ((q31_t) * px++ * *py++);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q15_t) (sum >> 15);
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+
+  /* --------------------------   
+   * Initializations of stage3   
+   * -------------------------*/
+
+  /* sum += x[srcALen-srcBLen+1] * y[0] + x[srcALen-srcBLen+2] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]   
+   * sum += x[srcALen-srcBLen+2] * y[0] + x[srcALen-srcBLen+3] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]   
+   * ....   
+   * sum +=  x[srcALen-2] * y[0] + x[srcALen-1] * y[1]   
+   * sum +=  x[srcALen-1] * y[0]   
+   */
+
+  /* In this stage the MAC operations are decreased by 1 for every iteration.   
+     The count variable holds the number of MAC operations performed */
+  count = srcBLen - 1u;
+
+  /* Working pointer of inputA */
+  pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+  px = pSrc1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+  /* -------------------   
+   * Stage3 process   
+   * ------------------*/
+
+  while(blockSize3 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py++);
+        sum += ((q31_t) * px++ * *py++);
+        sum += ((q31_t) * px++ * *py++);
+        sum += ((q31_t) * px++ * *py++);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+        sum += ((q31_t) * px++ * *py++);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = (q15_t) (sum >> 15);
+    /* Destination pointer is updated according to the address modifier, inc */
+    pOut += inc;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pIn2;
+
+    /* Decrement the MAC count */
+    count--;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+  }
+
+#endif /*   #ifndef UNALIGNED_SUPPORT_DISABLE */
+
+}
+
+/**   
+ * @} end of Corr group   
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_fast_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_fast_q31.c
new file mode 100644
index 0000000000..5b337ca544
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_fast_q31.c
@@ -0,0 +1,607 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_correlate_fast_q31.c    
+*    
+* Description:	Fast Q31 Correlation.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+* 
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup Corr    
+ * @{    
+ */
+
+/**    
+ * @brief Correlation of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4.    
+ * @param[in] *pSrcA points to the first input sequence.    
+ * @param[in] srcALen length of the first input sequence.    
+ * @param[in] *pSrcB points to the second input sequence.    
+ * @param[in] srcBLen length of the second input sequence.    
+ * @param[out] *pDst points to the location where the output result is written.  Length 2 * max(srcALen, srcBLen) - 1.    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * This function is optimized for speed at the expense of fixed-point precision and overflow protection.    
+ * The result of each 1.31 x 1.31 multiplication is truncated to 2.30 format.    
+ * These intermediate results are accumulated in a 32-bit register in 2.30 format.    
+ * Finally, the accumulator is saturated and converted to a 1.31 result.    
+ *    
+ * \par    
+ * The fast version has the same overflow behavior as the standard version but provides less precision since it discards the low 32 bits of each multiplication result.    
+ * In order to avoid overflows completely the input signals must be scaled down.    
+ * The input signals should be scaled down to avoid intermediate overflows.    
+ * Scale down one of the inputs by 1/min(srcALen, srcBLen)to avoid overflows since a    
+ * maximum of min(srcALen, srcBLen) number of additions is carried internally.    
+ *    
+ * \par    
+ * See arm_correlate_q31() for a slower implementation of this function which uses 64-bit accumulation to provide higher precision.    
+ */
+
+void arm_correlate_fast_q31(
+  q31_t * pSrcA,
+  uint32_t srcALen,
+  q31_t * pSrcB,
+  uint32_t srcBLen,
+  q31_t * pDst)
+{
+  q31_t *pIn1;                                   /* inputA pointer               */
+  q31_t *pIn2;                                   /* inputB pointer               */
+  q31_t *pOut = pDst;                            /* output pointer               */
+  q31_t *px;                                     /* Intermediate inputA pointer  */
+  q31_t *py;                                     /* Intermediate inputB pointer  */
+  q31_t *pSrc1;                                  /* Intermediate pointers        */
+  q31_t sum, acc0, acc1, acc2, acc3;             /* Accumulators                  */
+  q31_t x0, x1, x2, x3, c0;                      /* temporary variables for holding input and coefficient values */
+  uint32_t j, k = 0u, count, blkCnt, outBlockSize, blockSize1, blockSize2, blockSize3;  /* loop counter                 */
+  int32_t inc = 1;                               /* Destination address modifier */
+
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcA);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcB);
+
+    /* Number of output samples is calculated */
+    outBlockSize = (2u * srcALen) - 1u;
+
+    /* When srcALen > srcBLen, zero padding is done to srcB    
+     * to make their lengths equal.    
+     * Instead, (outBlockSize - (srcALen + srcBLen - 1))    
+     * number of output samples are made zero */
+    j = outBlockSize - (srcALen + (srcBLen - 1u));
+
+    /* Updating the pointer position to non zero value */
+    pOut += j;
+
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcB);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcA);
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+
+    /* CORR(x, y) = Reverse order(CORR(y, x)) */
+    /* Hence set the destination pointer to point to the last output sample */
+    pOut = pDst + ((srcALen + srcBLen) - 2u);
+
+    /* Destination address modifier is set to -1 */
+    inc = -1;
+
+  }
+
+  /* The function is internally    
+   * divided into three parts according to the number of multiplications that has to be    
+   * taken place between inputA samples and inputB samples. In the first part of the    
+   * algorithm, the multiplications increase by one for every iteration.    
+   * In the second part of the algorithm, srcBLen number of multiplications are done.    
+   * In the third part of the algorithm, the multiplications decrease by one    
+   * for every iteration.*/
+  /* The algorithm is implemented in three stages.    
+   * The loop counters of each stage is initiated here. */
+  blockSize1 = srcBLen - 1u;
+  blockSize2 = srcALen - (srcBLen - 1u);
+  blockSize3 = blockSize1;
+
+  /* --------------------------    
+   * Initializations of stage1    
+   * -------------------------*/
+
+  /* sum = x[0] * y[srcBlen - 1]    
+   * sum = x[0] * y[srcBlen - 2] + x[1] * y[srcBlen - 1]    
+   * ....    
+   * sum = x[0] * y[0] + x[1] * y[1] +...+ x[srcBLen - 1] * y[srcBLen - 1]    
+   */
+
+  /* In this stage the MAC operations are increased by 1 for every iteration.    
+     The count variable holds the number of MAC operations performed */
+  count = 1u;
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  pSrc1 = pIn2 + (srcBLen - 1u);
+  py = pSrc1;
+
+  /* ------------------------    
+   * Stage1 process    
+   * ----------------------*/
+
+  /* The first stage starts here */
+  while(blockSize1 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* x[0] * y[srcBLen - 4] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py++))) >> 32);
+      /* x[1] * y[srcBLen - 3] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py++))) >> 32);
+      /* x[2] * y[srcBLen - 2] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py++))) >> 32);
+      /* x[3] * y[srcBLen - 1] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py++))) >> 32);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.    
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* x[0] * y[srcBLen - 1] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py++))) >> 32);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = sum << 1;
+    /* Destination pointer is updated according to the address modifier, inc */
+    pOut += inc;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pSrc1 - count;
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* --------------------------    
+   * Initializations of stage2    
+   * ------------------------*/
+
+  /* sum = x[0] * y[0] + x[1] * y[1] +...+ x[srcBLen-1] * y[srcBLen-1]    
+   * sum = x[1] * y[0] + x[2] * y[1] +...+ x[srcBLen] * y[srcBLen-1]    
+   * ....    
+   * sum = x[srcALen-srcBLen-2] * y[0] + x[srcALen-srcBLen-1] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]    
+   */
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+  /* count is index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+  /* -------------------    
+   * Stage2 process    
+   * ------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.    
+   * So, to loop unroll over blockSize2,    
+   * srcBLen should be greater than or equal to 4 */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll over blockSize2, by 4 */
+    blkCnt = blockSize2 >> 2u;
+
+    while(blkCnt > 0u)
+    {
+      /* Set all accumulators to zero */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+      /* read x[0], x[1], x[2] samples */
+      x0 = *(px++);
+      x1 = *(px++);
+      x2 = *(px++);
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      do
+      {
+        /* Read y[0] sample */
+        c0 = *(py++);
+
+        /* Read x[3] sample */
+        x3 = *(px++);
+
+        /* Perform the multiply-accumulate */
+        /* acc0 +=  x[0] * y[0] */
+        acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x0 * c0)) >> 32);
+        /* acc1 +=  x[1] * y[0] */
+        acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x1 * c0)) >> 32);
+        /* acc2 +=  x[2] * y[0] */
+        acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x2 * c0)) >> 32);
+        /* acc3 +=  x[3] * y[0] */
+        acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x3 * c0)) >> 32);
+
+        /* Read y[1] sample */
+        c0 = *(py++);
+
+        /* Read x[4] sample */
+        x0 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[1] * y[1] */
+        acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x1 * c0)) >> 32);
+        /* acc1 +=  x[2] * y[1] */
+        acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x2 * c0)) >> 32);
+        /* acc2 +=  x[3] * y[1] */
+        acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x3 * c0)) >> 32);
+        /* acc3 +=  x[4] * y[1] */
+        acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x0 * c0)) >> 32);
+
+        /* Read y[2] sample */
+        c0 = *(py++);
+
+        /* Read x[5] sample */
+        x1 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[2] * y[2] */
+        acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x2 * c0)) >> 32);
+        /* acc1 +=  x[3] * y[2] */
+        acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x3 * c0)) >> 32);
+        /* acc2 +=  x[4] * y[2] */
+        acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x0 * c0)) >> 32);
+        /* acc3 +=  x[5] * y[2] */
+        acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x1 * c0)) >> 32);
+
+        /* Read y[3] sample */
+        c0 = *(py++);
+
+        /* Read x[6] sample */
+        x2 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[3] * y[3] */
+        acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x3 * c0)) >> 32);
+        /* acc1 +=  x[4] * y[3] */
+        acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x0 * c0)) >> 32);
+        /* acc2 +=  x[5] * y[3] */
+        acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x1 * c0)) >> 32);
+        /* acc3 +=  x[6] * y[3] */
+        acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x2 * c0)) >> 32);
+
+
+      } while(--k);
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Read y[4] sample */
+        c0 = *(py++);
+
+        /* Read x[7] sample */
+        x3 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[4] * y[4] */
+        acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x0 * c0)) >> 32);
+        /* acc1 +=  x[5] * y[4] */
+        acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x1 * c0)) >> 32);
+        /* acc2 +=  x[6] * y[4] */
+        acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x2 * c0)) >> 32);
+        /* acc3 +=  x[7] * y[4] */
+        acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x3 * c0)) >> 32);
+
+        /* Reuse the present samples for the next MAC */
+        x0 = x1;
+        x1 = x2;
+        x2 = x3;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q31_t) (acc0 << 1);
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      *pOut = (q31_t) (acc1 << 1);
+      pOut += inc;
+
+      *pOut = (q31_t) (acc2 << 1);
+      pOut += inc;
+
+      *pOut = (q31_t) (acc3 << 1);
+      pOut += inc;
+
+      /* Increment the pointer pIn1 index, count by 4 */
+      count += 4u;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+    blkCnt = blockSize2 % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py++))) >> 32);
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py++))) >> 32);
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py++))) >> 32);
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py++))) >> 32);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py++))) >> 32);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = sum << 1;
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+  else
+  {
+    /* If the srcBLen is not a multiple of 4,    
+     * the blockSize2 loop cannot be unrolled by 4 */
+    blkCnt = blockSize2;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Loop over srcBLen */
+      k = srcBLen;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum = (q31_t) ((((q63_t) sum << 32) +
+                        ((q63_t) * px++ * (*py++))) >> 32);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = sum << 1;
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+
+  /* --------------------------    
+   * Initializations of stage3    
+   * -------------------------*/
+
+  /* sum += x[srcALen-srcBLen+1] * y[0] + x[srcALen-srcBLen+2] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]    
+   * sum += x[srcALen-srcBLen+2] * y[0] + x[srcALen-srcBLen+3] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]    
+   * ....    
+   * sum +=  x[srcALen-2] * y[0] + x[srcALen-1] * y[1]    
+   * sum +=  x[srcALen-1] * y[0]    
+   */
+
+  /* In this stage the MAC operations are decreased by 1 for every iteration.    
+     The count variable holds the number of MAC operations performed */
+  count = srcBLen - 1u;
+
+  /* Working pointer of inputA */
+  pSrc1 = ((pIn1 + srcALen) - srcBLen) + 1u;
+  px = pSrc1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+  /* -------------------    
+   * Stage3 process    
+   * ------------------*/
+
+  while(blockSize3 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* sum += x[srcALen - srcBLen + 4] * y[3] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py++))) >> 32);
+      /* sum += x[srcALen - srcBLen + 3] * y[2] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py++))) >> 32);
+      /* sum += x[srcALen - srcBLen + 2] * y[1] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py++))) >> 32);
+      /* sum += x[srcALen - srcBLen + 1] * y[0] */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py++))) >> 32);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.    
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      sum = (q31_t) ((((q63_t) sum << 32) +
+                      ((q63_t) * px++ * (*py++))) >> 32);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = sum << 1;
+    /* Destination pointer is updated according to the address modifier, inc */
+    pOut += inc;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pIn2;
+
+    /* Decrement the MAC count */
+    count--;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+  }
+
+}
+
+/**    
+ * @} end of Corr group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_opt_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_opt_q15.c
new file mode 100644
index 0000000000..3a1c8cd4a6
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_opt_q15.c
@@ -0,0 +1,512 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_correlate_opt_q15.c    
+*    
+* Description:	Correlation of Q15 sequences.  
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+* 
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+*    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup Corr    
+ * @{    
+ */
+
+/**    
+ * @brief Correlation of Q15 sequences.  
+ * @param[in] *pSrcA points to the first input sequence.    
+ * @param[in] srcALen length of the first input sequence.    
+ * @param[in] *pSrcB points to the second input sequence.    
+ * @param[in] srcBLen length of the second input sequence.    
+ * @param[out] *pDst points to the location where the output result is written.  Length 2 * max(srcALen, srcBLen) - 1.    
+ * @param[in]  *pScratch points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.    
+ * @return none.    
+ *    
+ * \par Restrictions    
+ *  If the silicon does not support unaligned memory access enable the macro UNALIGNED_SUPPORT_DISABLE    
+ *	In this case input, output, scratch buffers should be aligned by 32-bit    
+ *     
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The function is implemented using a 64-bit internal accumulator.    
+ * Both inputs are in 1.15 format and multiplications yield a 2.30 result.    
+ * The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format.    
+ * This approach provides 33 guard bits and there is no risk of overflow.    
+ * The 34.30 result is then truncated to 34.15 format by discarding the low 15 bits and then saturated to 1.15 format.    
+ *    
+ * \par    
+ * Refer to arm_correlate_fast_q15() for a faster but less precise version of this function for Cortex-M3 and Cortex-M4.   
+ *  
+ * 
+ */
+
+
+void arm_correlate_opt_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  q15_t * pScratch)
+{
+  q15_t *pIn1;                                   /* inputA pointer               */
+  q15_t *pIn2;                                   /* inputB pointer               */
+  q63_t acc0, acc1, acc2, acc3;                  /* Accumulators                  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  q31_t x1, x2, x3;                              /* temporary variables for holding input1 and input2 values */
+  uint32_t j, blkCnt, outBlockSize;              /* loop counter                 */
+  int32_t inc = 1;                               /* output pointer increment     */
+  uint32_t tapCnt;
+  q31_t y1, y2;
+  q15_t *pScr;                                   /* Intermediate pointers        */
+  q15_t *pOut = pDst;                            /* output pointer               */
+#ifdef UNALIGNED_SUPPORT_DISABLE
+
+  q15_t a, b;
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  /* But CORR(x, y) is reverse of CORR(y, x) */
+  /* So, when srcBLen > srcALen, output pointer is made to point to the end of the output buffer */
+  /* and the destination pointer modifier, inc is set to -1 */
+  /* If srcALen > srcBLen, zero pad has to be done to srcB to make the two inputs of same length */
+  /* But to improve the performance,        
+   * we include zeroes in the output instead of zero padding either of the the inputs*/
+  /* If srcALen > srcBLen,        
+   * (srcALen - srcBLen) zeroes has to included in the starting of the output buffer */
+  /* If srcALen < srcBLen,        
+   * (srcALen - srcBLen) zeroes has to included in the ending of the output buffer */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcA);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcB);
+
+    /* Number of output samples is calculated */
+    outBlockSize = (2u * srcALen) - 1u;
+
+    /* When srcALen > srcBLen, zero padding is done to srcB        
+     * to make their lengths equal.        
+     * Instead, (outBlockSize - (srcALen + srcBLen - 1))        
+     * number of output samples are made zero */
+    j = outBlockSize - (srcALen + (srcBLen - 1u));
+
+    /* Updating the pointer position to non zero value */
+    pOut += j;
+
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcB);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcA);
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+
+    /* CORR(x, y) = Reverse order(CORR(y, x)) */
+    /* Hence set the destination pointer to point to the last output sample */
+    pOut = pDst + ((srcALen + srcBLen) - 2u);
+
+    /* Destination address modifier is set to -1 */
+    inc = -1;
+
+  }
+
+  pScr = pScratch;
+
+  /* Fill (srcBLen - 1u) zeros in scratch buffer */
+  arm_fill_q15(0, pScr, (srcBLen - 1u));
+
+  /* Update temporary scratch pointer */
+  pScr += (srcBLen - 1u);
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  /* Copy (srcALen) samples in scratch buffer */
+  arm_copy_q15(pIn1, pScr, srcALen);
+
+  /* Update pointers */
+  //pIn1 += srcALen;    
+  pScr += srcALen;
+
+#else
+
+  /* Apply loop unrolling and do 4 Copies simultaneously. */
+  j = srcALen >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  while(j > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    *pScr++ = *pIn1++;
+    *pScr++ = *pIn1++;
+    *pScr++ = *pIn1++;
+    *pScr++ = *pIn1++;
+
+    /* Decrement the loop counter */
+    j--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  j = srcALen % 0x4u;
+
+  while(j > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    *pScr++ = *pIn1++;
+
+    /* Decrement the loop counter */
+    j--;
+  }
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  /* Fill (srcBLen - 1u) zeros at end of scratch buffer */
+  arm_fill_q15(0, pScr, (srcBLen - 1u));
+
+  /* Update pointer */
+  pScr += (srcBLen - 1u);
+
+#else
+
+/* Apply loop unrolling and do 4 Copies simultaneously. */
+  j = (srcBLen - 1u) >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  while(j > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    *pScr++ = 0;
+    *pScr++ = 0;
+    *pScr++ = 0;
+    *pScr++ = 0;
+
+    /* Decrement the loop counter */
+    j--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  j = (srcBLen - 1u) % 0x4u;
+
+  while(j > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    *pScr++ = 0;
+
+    /* Decrement the loop counter */
+    j--;
+  }
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+  /* Temporary pointer for scratch2 */
+  py = pIn2;
+
+
+  /* Actual correlation process starts here */
+  blkCnt = (srcALen + srcBLen - 1u) >> 2;
+
+  while(blkCnt > 0)
+  {
+    /* Initialze temporary scratch pointer as scratch1 */
+    pScr = pScratch;
+
+    /* Clear Accumlators */
+    acc0 = 0;
+    acc1 = 0;
+    acc2 = 0;
+    acc3 = 0;
+
+    /* Read four samples from scratch1 buffer */
+    x1 = *__SIMD32(pScr)++;
+
+    /* Read next four samples from scratch1 buffer */
+    x2 = *__SIMD32(pScr)++;
+
+    tapCnt = (srcBLen) >> 2u;
+
+    while(tapCnt > 0u)
+    {
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+      /* Read four samples from smaller buffer */
+      y1 = _SIMD32_OFFSET(pIn2);
+      y2 = _SIMD32_OFFSET(pIn2 + 2u);
+
+      acc0 = __SMLALD(x1, y1, acc0);
+
+      acc2 = __SMLALD(x2, y1, acc2);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc1 = __SMLALDX(x3, y1, acc1);
+
+      x1 = _SIMD32_OFFSET(pScr);
+
+      acc0 = __SMLALD(x2, y2, acc0);
+
+      acc2 = __SMLALD(x1, y2, acc2);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x1, x2, 0);
+#else
+      x3 = __PKHBT(x2, x1, 0);
+#endif
+
+      acc3 = __SMLALDX(x3, y1, acc3);
+
+      acc1 = __SMLALDX(x3, y2, acc1);
+
+      x2 = _SIMD32_OFFSET(pScr + 2u);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc3 = __SMLALDX(x3, y2, acc3);
+
+#else	 
+
+      /* Read four samples from smaller buffer */
+	  a = *pIn2;
+	  b = *(pIn2 + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      y1 = __PKHBT(a, b, 16);
+#else
+      y1 = __PKHBT(b, a, 16);
+#endif
+	  
+	  a = *(pIn2 + 2);
+	  b = *(pIn2 + 3);
+#ifndef ARM_MATH_BIG_ENDIAN
+      y2 = __PKHBT(a, b, 16);
+#else
+      y2 = __PKHBT(b, a, 16);
+#endif				
+
+      acc0 = __SMLALD(x1, y1, acc0);
+
+      acc2 = __SMLALD(x2, y1, acc2);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc1 = __SMLALDX(x3, y1, acc1);
+
+	  a = *pScr;
+	  b = *(pScr + 1);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x1 = __PKHBT(a, b, 16);
+#else
+      x1 = __PKHBT(b, a, 16);
+#endif
+
+      acc0 = __SMLALD(x2, y2, acc0);
+
+      acc2 = __SMLALD(x1, y2, acc2);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x1, x2, 0);
+#else
+      x3 = __PKHBT(x2, x1, 0);
+#endif
+
+      acc3 = __SMLALDX(x3, y1, acc3);
+
+      acc1 = __SMLALDX(x3, y2, acc1);
+
+	  a = *(pScr + 2);
+	  b = *(pScr + 3);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x2 = __PKHBT(a, b, 16);
+#else
+      x2 = __PKHBT(b, a, 16);
+#endif
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc3 = __SMLALDX(x3, y2, acc3);
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+      pIn2 += 4u;
+
+      pScr += 4u;
+
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+
+
+    /* Update scratch pointer for remaining samples of smaller length sequence */
+    pScr -= 4u;
+
+
+    /* apply same above for remaining samples of smaller length sequence */
+    tapCnt = (srcBLen) & 3u;
+
+    while(tapCnt > 0u)
+    {
+
+      /* accumlate the results */
+      acc0 += (*pScr++ * *pIn2);
+      acc1 += (*pScr++ * *pIn2);
+      acc2 += (*pScr++ * *pIn2);
+      acc3 += (*pScr++ * *pIn2++);
+
+      pScr -= 3u;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    blkCnt--;
+
+
+    /* Store the results in the accumulators in the destination buffer. */
+    *pOut = (__SSAT(acc0 >> 15u, 16));
+    pOut += inc;
+    *pOut = (__SSAT(acc1 >> 15u, 16));
+    pOut += inc;
+    *pOut = (__SSAT(acc2 >> 15u, 16));
+    pOut += inc;
+    *pOut = (__SSAT(acc3 >> 15u, 16));
+    pOut += inc;
+
+    /* Initialization of inputB pointer */
+    pIn2 = py;
+
+    pScratch += 4u;
+
+  }
+
+
+  blkCnt = (srcALen + srcBLen - 1u) & 0x3;
+
+  /* Calculate correlation for remaining samples of Bigger length sequence */
+  while(blkCnt > 0)
+  {
+    /* Initialze temporary scratch pointer as scratch1 */
+    pScr = pScratch;
+
+    /* Clear Accumlators */
+    acc0 = 0;
+
+    tapCnt = (srcBLen) >> 1u;
+
+    while(tapCnt > 0u)
+    {
+
+      acc0 += (*pScr++ * *pIn2++);
+      acc0 += (*pScr++ * *pIn2++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    tapCnt = (srcBLen) & 1u;
+
+    /* apply same above for remaining samples of smaller length sequence */
+    while(tapCnt > 0u)
+    {
+
+      /* accumlate the results */
+      acc0 += (*pScr++ * *pIn2++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    blkCnt--;
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = (q15_t) (__SSAT((acc0 >> 15), 16));
+
+    pOut += inc;
+
+    /* Initialization of inputB pointer */
+    pIn2 = py;
+
+    pScratch += 1u;
+
+  }
+
+
+}
+
+/**    
+ * @} end of Corr group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_opt_q7.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_opt_q7.c
new file mode 100644
index 0000000000..48a6d091c3
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_opt_q7.c
@@ -0,0 +1,463 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_correlate_opt_q7.c    
+*    
+* Description:	Correlation of Q7 sequences.  
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+* 
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+*    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup Corr    
+ * @{    
+ */
+
+/**    
+ * @brief Correlation of Q7 sequences.    
+ * @param[in] *pSrcA points to the first input sequence.    
+ * @param[in] srcALen length of the first input sequence.    
+ * @param[in] *pSrcB points to the second input sequence.    
+ * @param[in] srcBLen length of the second input sequence.    
+ * @param[out] *pDst points to the location where the output result is written.  Length 2 * max(srcALen, srcBLen) - 1.    
+ * @param[in]  *pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.    
+ * @param[in]  *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).    
+ * @return none.    
+ *    
+ *    
+ * \par Restrictions    
+ *  If the silicon does not support unaligned memory access enable the macro UNALIGNED_SUPPORT_DISABLE    
+ *	In this case input, output, scratch1 and scratch2 buffers should be aligned by 32-bit     
+ *        
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The function is implemented using a 32-bit internal accumulator.    
+ * Both the inputs are represented in 1.7 format and multiplications yield a 2.14 result.    
+ * The 2.14 intermediate results are accumulated in a 32-bit accumulator in 18.14 format.    
+ * This approach provides 17 guard bits and there is no risk of overflow as long as max(srcALen, srcBLen)<131072.    
+ * The 18.14 result is then truncated to 18.7 format by discarding the low 7 bits and saturated to 1.7 format.  
+ *  
+ * 
+ */
+
+
+
+void arm_correlate_opt_q7(
+  q7_t * pSrcA,
+  uint32_t srcALen,
+  q7_t * pSrcB,
+  uint32_t srcBLen,
+  q7_t * pDst,
+  q15_t * pScratch1,
+  q15_t * pScratch2)
+{
+  q7_t *pOut = pDst;                             /* output pointer                */
+  q15_t *pScr1 = pScratch1;                      /* Temporary pointer for scratch */
+  q15_t *pScr2 = pScratch2;                      /* Temporary pointer for scratch */
+  q7_t *pIn1;                                    /* inputA pointer                */
+  q7_t *pIn2;                                    /* inputB pointer                */
+  q15_t *py;                                     /* Intermediate inputB pointer   */
+  q31_t acc0, acc1, acc2, acc3;                  /* Accumulators                  */
+  uint32_t j, k = 0u, blkCnt;                    /* loop counter                  */
+  int32_t inc = 1;                               /* output pointer increment          */
+  uint32_t outBlockSize;                         /* loop counter                  */
+  q15_t x4;                                      /* Temporary input variable      */
+  uint32_t tapCnt;                               /* loop counter                  */
+  q31_t x1, x2, x3, y1;                          /* Temporary input variables     */
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  /* But CORR(x, y) is reverse of CORR(y, x) */
+  /* So, when srcBLen > srcALen, output pointer is made to point to the end of the output buffer */
+  /* and the destination pointer modifier, inc is set to -1 */
+  /* If srcALen > srcBLen, zero pad has to be done to srcB to make the two inputs of same length */
+  /* But to improve the performance,        
+   * we include zeroes in the output instead of zero padding either of the the inputs*/
+  /* If srcALen > srcBLen,        
+   * (srcALen - srcBLen) zeroes has to included in the starting of the output buffer */
+  /* If srcALen < srcBLen,        
+   * (srcALen - srcBLen) zeroes has to included in the ending of the output buffer */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcA);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcB);
+
+    /* Number of output samples is calculated */
+    outBlockSize = (2u * srcALen) - 1u;
+
+    /* When srcALen > srcBLen, zero padding is done to srcB        
+     * to make their lengths equal.        
+     * Instead, (outBlockSize - (srcALen + srcBLen - 1))        
+     * number of output samples are made zero */
+    j = outBlockSize - (srcALen + (srcBLen - 1u));
+
+    /* Updating the pointer position to non zero value */
+    pOut += j;
+
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcB);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcA);
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+
+    /* CORR(x, y) = Reverse order(CORR(y, x)) */
+    /* Hence set the destination pointer to point to the last output sample */
+    pOut = pDst + ((srcALen + srcBLen) - 2u);
+
+    /* Destination address modifier is set to -1 */
+    inc = -1;
+
+  }
+
+
+  /* Copy (srcBLen) samples in scratch buffer */
+  k = srcBLen >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    x4 = (q15_t) * pIn2++;
+    *pScr2++ = x4;
+    x4 = (q15_t) * pIn2++;
+    *pScr2++ = x4;
+    x4 = (q15_t) * pIn2++;
+    *pScr2++ = x4;
+    x4 = (q15_t) * pIn2++;
+    *pScr2++ = x4;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  k = srcBLen % 0x4u;
+
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    x4 = (q15_t) * pIn2++;
+    *pScr2++ = x4;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* Fill (srcBLen - 1u) zeros in scratch buffer */
+  arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+  /* Update temporary scratch pointer */
+  pScr1 += (srcBLen - 1u);
+
+  /* Copy (srcALen) samples in scratch buffer */
+  k = srcALen >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    x4 = (q15_t) * pIn1++;
+    *pScr1++ = x4;
+    x4 = (q15_t) * pIn1++;
+    *pScr1++ = x4;
+    x4 = (q15_t) * pIn1++;
+    *pScr1++ = x4;
+    x4 = (q15_t) * pIn1++;
+    *pScr1++ = x4;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  k = srcALen % 0x4u;
+
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    x4 = (q15_t) * pIn1++;
+    *pScr1++ = x4;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  /* Fill (srcBLen - 1u) zeros at end of scratch buffer */
+  arm_fill_q15(0, pScr1, (srcBLen - 1u));
+
+  /* Update pointer */
+  pScr1 += (srcBLen - 1u);
+
+#else
+
+/* Apply loop unrolling and do 4 Copies simultaneously. */
+  k = (srcBLen - 1u) >> 2u;
+
+  /* First part of the processing with loop unrolling copies 4 data points at a time.       
+   ** a second loop below copies for the remaining 1 to 3 samples. */
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner */
+    *pScr1++ = 0;
+    *pScr1++ = 0;
+    *pScr1++ = 0;
+    *pScr1++ = 0;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+  /* If the count is not a multiple of 4, copy remaining samples here.       
+   ** No loop unrolling is used. */
+  k = (srcBLen - 1u) % 0x4u;
+
+  while(k > 0u)
+  {
+    /* copy second buffer in reversal manner for remaining samples */
+    *pScr1++ = 0;
+
+    /* Decrement the loop counter */
+    k--;
+  }
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+  /* Temporary pointer for second sequence */
+  py = pScratch2;
+
+  /* Initialization of pScr2 pointer */
+  pScr2 = pScratch2;
+
+  /* Actual correlation process starts here */
+  blkCnt = (srcALen + srcBLen - 1u) >> 2;
+
+  while(blkCnt > 0)
+  {
+    /* Initialze temporary scratch pointer as scratch1 */
+    pScr1 = pScratch1;
+
+    /* Clear Accumlators */
+    acc0 = 0;
+    acc1 = 0;
+    acc2 = 0;
+    acc3 = 0;
+
+    /* Read two samples from scratch1 buffer */
+    x1 = *__SIMD32(pScr1)++;
+
+    /* Read next two samples from scratch1 buffer */
+    x2 = *__SIMD32(pScr1)++;
+
+    tapCnt = (srcBLen) >> 2u;
+
+    while(tapCnt > 0u)
+    {
+
+      /* Read four samples from smaller buffer */
+      y1 = _SIMD32_OFFSET(pScr2);
+
+      /* multiply and accumlate */
+      acc0 = __SMLAD(x1, y1, acc0);
+      acc2 = __SMLAD(x2, y1, acc2);
+
+      /* pack input data */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      /* multiply and accumlate */
+      acc1 = __SMLADX(x3, y1, acc1);
+
+      /* Read next two samples from scratch1 buffer */
+      x1 = *__SIMD32(pScr1)++;
+
+      /* pack input data */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x1, x2, 0);
+#else
+      x3 = __PKHBT(x2, x1, 0);
+#endif
+
+      acc3 = __SMLADX(x3, y1, acc3);
+
+      /* Read four samples from smaller buffer */
+      y1 = _SIMD32_OFFSET(pScr2 + 2u);
+
+      acc0 = __SMLAD(x2, y1, acc0);
+
+      acc2 = __SMLAD(x1, y1, acc2);
+
+      acc1 = __SMLADX(x3, y1, acc1);
+
+      x2 = *__SIMD32(pScr1)++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+      x3 = __PKHBT(x2, x1, 0);
+#else
+      x3 = __PKHBT(x1, x2, 0);
+#endif
+
+      acc3 = __SMLADX(x3, y1, acc3);
+
+      pScr2 += 4u;
+
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+
+
+    /* Update scratch pointer for remaining samples of smaller length sequence */
+    pScr1 -= 4u;
+
+
+    /* apply same above for remaining samples of smaller length sequence */
+    tapCnt = (srcBLen) & 3u;
+
+    while(tapCnt > 0u)
+    {
+
+      /* accumlate the results */
+      acc0 += (*pScr1++ * *pScr2);
+      acc1 += (*pScr1++ * *pScr2);
+      acc2 += (*pScr1++ * *pScr2);
+      acc3 += (*pScr1++ * *pScr2++);
+
+      pScr1 -= 3u;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    blkCnt--;
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = (q7_t) (__SSAT(acc0 >> 7u, 8));
+    pOut += inc;
+    *pOut = (q7_t) (__SSAT(acc1 >> 7u, 8));
+    pOut += inc;
+    *pOut = (q7_t) (__SSAT(acc2 >> 7u, 8));
+    pOut += inc;
+    *pOut = (q7_t) (__SSAT(acc3 >> 7u, 8));
+    pOut += inc;
+
+    /* Initialization of inputB pointer */
+    pScr2 = py;
+
+    pScratch1 += 4u;
+
+  }
+
+
+  blkCnt = (srcALen + srcBLen - 1u) & 0x3;
+
+  /* Calculate correlation for remaining samples of Bigger length sequence */
+  while(blkCnt > 0)
+  {
+    /* Initialze temporary scratch pointer as scratch1 */
+    pScr1 = pScratch1;
+
+    /* Clear Accumlators */
+    acc0 = 0;
+
+    tapCnt = (srcBLen) >> 1u;
+
+    while(tapCnt > 0u)
+    {
+      acc0 += (*pScr1++ * *pScr2++);
+      acc0 += (*pScr1++ * *pScr2++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    tapCnt = (srcBLen) & 1u;
+
+    /* apply same above for remaining samples of smaller length sequence */
+    while(tapCnt > 0u)
+    {
+
+      /* accumlate the results */
+      acc0 += (*pScr1++ * *pScr2++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    blkCnt--;
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = (q7_t) (__SSAT(acc0 >> 7u, 8));
+
+    pOut += inc;
+
+    /* Initialization of inputB pointer */
+    pScr2 = py;
+
+    pScratch1 += 1u;
+
+  }
+
+}
+
+/**    
+ * @} end of Corr group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_q15.c
new file mode 100644
index 0000000000..1832424890
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_q15.c
@@ -0,0 +1,718 @@
+/* ----------------------------------------------------------------------   
+* Copyright (C) 2010 ARM Limited. All rights reserved.   
+*   
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*   
+* Project: 	    CMSIS DSP Library   
+* Title:		arm_correlate_q15.c   
+*   
+* Description:	Correlation of Q15 sequences. 
+*   
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*
+* Version 1.0.11 2011/10/18 
+*    Bug Fix in conv, correlation, partial convolution. 
+*
+* Version 1.0.10 2011/7/15 
+*    Big Endian support added and Merged M0 and M3/M4 Source code.  
+*   
+* Version 1.0.3 2010/11/29  
+*    Re-organized the CMSIS folders and updated documentation.   
+*    
+* Version 1.0.2 2010/11/11   
+*    Documentation updated.    
+*   
+* Version 1.0.1 2010/10/05    
+*    Production release and review comments incorporated.   
+*   
+* Version 1.0.0 2010/09/20    
+*    Production release and review comments incorporated   
+*   
+* Version 0.0.7  2010/06/10    
+*    Misra-C changes done   
+*   
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**   
+ * @ingroup groupFilters   
+ */
+
+/**   
+ * @addtogroup Corr   
+ * @{   
+ */
+
+/**   
+ * @brief Correlation of Q15 sequences. 
+ * @param[in] *pSrcA points to the first input sequence.   
+ * @param[in] srcALen length of the first input sequence.   
+ * @param[in] *pSrcB points to the second input sequence.   
+ * @param[in] srcBLen length of the second input sequence.   
+ * @param[out] *pDst points to the location where the output result is written.  Length 2 * max(srcALen, srcBLen) - 1.   
+ * @return none.   
+ *   
+ * @details   
+ * Scaling and Overflow Behavior:   
+ *   
+ * \par   
+ * The function is implemented using a 64-bit internal accumulator.   
+ * Both inputs are in 1.15 format and multiplications yield a 2.30 result.   
+ * The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format.   
+ * This approach provides 33 guard bits and there is no risk of overflow.   
+ * The 34.30 result is then truncated to 34.15 format by discarding the low 15 bits and then saturated to 1.15 format.   
+ *   
+ * \par   
+ * Refer to arm_correlate_fast_q15() for a faster but less precise version of this function for Cortex-M3 and Cortex-M4. 
+ *
+ * \par    
+ * Refer the function arm_correlate_opt_q15() for a faster implementation of this function using scratch buffers.
+ * 
+ */
+
+void arm_correlate_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst)
+{
+
+#if (defined(ARM_MATH_CM4) || defined(ARM_MATH_CM3)) && !defined(UNALIGNED_SUPPORT_DISABLE)
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q15_t *pIn1;                                   /* inputA pointer               */
+  q15_t *pIn2;                                   /* inputB pointer               */
+  q15_t *pOut = pDst;                            /* output pointer               */
+  q63_t sum, acc0, acc1, acc2, acc3;             /* Accumulators                  */
+  q15_t *px;                                     /* Intermediate inputA pointer  */
+  q15_t *py;                                     /* Intermediate inputB pointer  */
+  q15_t *pSrc1;                                  /* Intermediate pointers        */
+  q31_t x0, x1, x2, x3, c0;                      /* temporary variables for holding input and coefficient values */
+  uint32_t j, k = 0u, count, blkCnt, outBlockSize, blockSize1, blockSize2, blockSize3;  /* loop counter                 */
+  int32_t inc = 1;                               /* Destination address modifier */
+
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  /* But CORR(x, y) is reverse of CORR(y, x) */
+  /* So, when srcBLen > srcALen, output pointer is made to point to the end of the output buffer */
+  /* and the destination pointer modifier, inc is set to -1 */
+  /* If srcALen > srcBLen, zero pad has to be done to srcB to make the two inputs of same length */
+  /* But to improve the performance,   
+   * we include zeroes in the output instead of zero padding either of the the inputs*/
+  /* If srcALen > srcBLen,   
+   * (srcALen - srcBLen) zeroes has to included in the starting of the output buffer */
+  /* If srcALen < srcBLen,   
+   * (srcALen - srcBLen) zeroes has to included in the ending of the output buffer */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcA);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcB);
+
+    /* Number of output samples is calculated */
+    outBlockSize = (2u * srcALen) - 1u;
+
+    /* When srcALen > srcBLen, zero padding is done to srcB   
+     * to make their lengths equal.   
+     * Instead, (outBlockSize - (srcALen + srcBLen - 1))   
+     * number of output samples are made zero */
+    j = outBlockSize - (srcALen + (srcBLen - 1u));
+
+    /* Updating the pointer position to non zero value */
+    pOut += j;
+
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcB);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcA);
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+
+    /* CORR(x, y) = Reverse order(CORR(y, x)) */
+    /* Hence set the destination pointer to point to the last output sample */
+    pOut = pDst + ((srcALen + srcBLen) - 2u);
+
+    /* Destination address modifier is set to -1 */
+    inc = -1;
+
+  }
+
+  /* The function is internally   
+   * divided into three parts according to the number of multiplications that has to be   
+   * taken place between inputA samples and inputB samples. In the first part of the   
+   * algorithm, the multiplications increase by one for every iteration.   
+   * In the second part of the algorithm, srcBLen number of multiplications are done.   
+   * In the third part of the algorithm, the multiplications decrease by one   
+   * for every iteration.*/
+  /* The algorithm is implemented in three stages.   
+   * The loop counters of each stage is initiated here. */
+  blockSize1 = srcBLen - 1u;
+  blockSize2 = srcALen - (srcBLen - 1u);
+  blockSize3 = blockSize1;
+
+  /* --------------------------   
+   * Initializations of stage1   
+   * -------------------------*/
+
+  /* sum = x[0] * y[srcBlen - 1]   
+   * sum = x[0] * y[srcBlen - 2] + x[1] * y[srcBlen - 1]   
+   * ....   
+   * sum = x[0] * y[0] + x[1] * y[1] +...+ x[srcBLen - 1] * y[srcBLen - 1]   
+   */
+
+  /* In this stage the MAC operations are increased by 1 for every iteration.   
+     The count variable holds the number of MAC operations performed */
+  count = 1u;
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  pSrc1 = pIn2 + (srcBLen - 1u);
+  py = pSrc1;
+
+  /* ------------------------   
+   * Stage1 process   
+   * ----------------------*/
+
+  /* The first loop starts here */
+  while(blockSize1 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* x[0] * y[srcBLen - 4] , x[1] * y[srcBLen - 3] */
+      sum = __SMLALD(*__SIMD32(px)++, *__SIMD32(py)++, sum);
+      /* x[3] * y[srcBLen - 1] , x[2] * y[srcBLen - 2] */
+      sum = __SMLALD(*__SIMD32(px)++, *__SIMD32(py)++, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* x[0] * y[srcBLen - 1] */
+      sum = __SMLALD(*px++, *py++, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = (q15_t) (__SSAT((sum >> 15), 16));
+    /* Destination pointer is updated according to the address modifier, inc */
+    pOut += inc;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pSrc1 - count;
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* --------------------------   
+   * Initializations of stage2   
+   * ------------------------*/
+
+  /* sum = x[0] * y[0] + x[1] * y[1] +...+ x[srcBLen-1] * y[srcBLen-1]   
+   * sum = x[1] * y[0] + x[2] * y[1] +...+ x[srcBLen] * y[srcBLen-1]   
+   * ....   
+   * sum = x[srcALen-srcBLen-2] * y[0] + x[srcALen-srcBLen-1] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]   
+   */
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+  /* count is index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+  /* -------------------   
+   * Stage2 process   
+   * ------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.   
+   * So, to loop unroll over blockSize2,   
+   * srcBLen should be greater than or equal to 4, to loop unroll the srcBLen loop */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll over blockSize2, by 4 */
+    blkCnt = blockSize2 >> 2u;
+
+    while(blkCnt > 0u)
+    {
+      /* Set all accumulators to zero */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+      /* read x[0], x[1] samples */
+      x0 = *__SIMD32(px);
+      /* read x[1], x[2] samples */
+      x1 = _SIMD32_OFFSET(px + 1);
+	  px += 2u;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      do
+      {
+        /* Read the first two inputB samples using SIMD:   
+         * y[0] and y[1] */
+        c0 = *__SIMD32(py)++;
+
+        /* acc0 +=  x[0] * y[0] + x[1] * y[1] */
+        acc0 = __SMLALD(x0, c0, acc0);
+
+        /* acc1 +=  x[1] * y[0] + x[2] * y[1] */
+        acc1 = __SMLALD(x1, c0, acc1);
+
+        /* Read x[2], x[3] */
+        x2 = *__SIMD32(px);
+
+        /* Read x[3], x[4] */
+        x3 = _SIMD32_OFFSET(px + 1);
+
+        /* acc2 +=  x[2] * y[0] + x[3] * y[1] */
+        acc2 = __SMLALD(x2, c0, acc2);
+
+        /* acc3 +=  x[3] * y[0] + x[4] * y[1] */
+        acc3 = __SMLALD(x3, c0, acc3);
+
+        /* Read y[2] and y[3] */
+        c0 = *__SIMD32(py)++;
+
+        /* acc0 +=  x[2] * y[2] + x[3] * y[3] */
+        acc0 = __SMLALD(x2, c0, acc0);
+
+        /* acc1 +=  x[3] * y[2] + x[4] * y[3] */
+        acc1 = __SMLALD(x3, c0, acc1);
+
+        /* Read x[4], x[5] */
+        x0 = _SIMD32_OFFSET(px + 2);
+
+        /* Read x[5], x[6] */
+        x1 = _SIMD32_OFFSET(px + 3);
+
+		px += 4u;
+
+        /* acc2 +=  x[4] * y[2] + x[5] * y[3] */
+        acc2 = __SMLALD(x0, c0, acc2);
+
+        /* acc3 +=  x[5] * y[2] + x[6] * y[3] */
+        acc3 = __SMLALD(x1, c0, acc3);
+
+      } while(--k);
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      if(k == 1u)
+      {
+        /* Read y[4] */
+        c0 = *py;
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+
+#else
+
+        c0 = c0 & 0x0000FFFF;
+
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+        /* Read x[7] */
+        x3 = *__SIMD32(px);
+		px++;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLALD(x0, c0, acc0);
+        acc1 = __SMLALD(x1, c0, acc1);
+        acc2 = __SMLALDX(x1, c0, acc2);
+        acc3 = __SMLALDX(x3, c0, acc3);
+      }
+
+      if(k == 2u)
+      {
+        /* Read y[4], y[5] */
+        c0 = *__SIMD32(py);
+
+        /* Read x[7], x[8] */
+        x3 = *__SIMD32(px);
+
+        /* Read x[9] */
+        x2 = _SIMD32_OFFSET(px + 1);
+		px += 2u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLALD(x0, c0, acc0);
+        acc1 = __SMLALD(x1, c0, acc1);
+        acc2 = __SMLALD(x3, c0, acc2);
+        acc3 = __SMLALD(x2, c0, acc3);
+      }
+
+      if(k == 3u)
+      {
+        /* Read y[4], y[5] */
+        c0 = *__SIMD32(py)++;
+
+        /* Read x[7], x[8] */
+        x3 = *__SIMD32(px);
+
+        /* Read x[9] */
+        x2 = _SIMD32_OFFSET(px + 1);
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLALD(x0, c0, acc0);
+        acc1 = __SMLALD(x1, c0, acc1);
+        acc2 = __SMLALD(x3, c0, acc2);
+        acc3 = __SMLALD(x2, c0, acc3);
+
+        c0 = (*py);
+
+        /* Read y[6] */
+#ifdef  ARM_MATH_BIG_ENDIAN
+
+        c0 = c0 << 16u;
+#else
+
+        c0 = c0 & 0x0000FFFF;
+#endif /*      #ifdef  ARM_MATH_BIG_ENDIAN     */
+        /* Read x[10] */
+        x3 = _SIMD32_OFFSET(px + 2);
+		px += 3u;
+
+        /* Perform the multiply-accumulates */
+        acc0 = __SMLALDX(x1, c0, acc0);
+        acc1 = __SMLALD(x2, c0, acc1);
+        acc2 = __SMLALDX(x2, c0, acc2);
+        acc3 = __SMLALDX(x3, c0, acc3);
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q15_t) (__SSAT(acc0 >> 15, 16));
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      *pOut = (q15_t) (__SSAT(acc1 >> 15, 16));
+      pOut += inc;
+
+      *pOut = (q15_t) (__SSAT(acc2 >> 15, 16));
+      pOut += inc;
+
+      *pOut = (q15_t) (__SSAT(acc3 >> 15, 16));
+      pOut += inc;
+
+      /* Increment the count by 4 as 4 output values are computed */
+      count += 4u;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.   
+     ** No loop unrolling is used. */
+    blkCnt = blockSize2 % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += ((q63_t) * px++ * *py++);
+        sum += ((q63_t) * px++ * *py++);
+        sum += ((q63_t) * px++ * *py++);
+        sum += ((q63_t) * px++ * *py++);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += ((q63_t) * px++ * *py++);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q15_t) (__SSAT(sum >> 15, 16));
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      /* Increment count by 1, as one output value is computed */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+  else
+  {
+    /* If the srcBLen is not a multiple of 4,   
+     * the blockSize2 loop cannot be unrolled by 4 */
+    blkCnt = blockSize2;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Loop over srcBLen */
+      k = srcBLen;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += ((q63_t) * px++ * *py++);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q15_t) (__SSAT(sum >> 15, 16));
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+
+  /* --------------------------   
+   * Initializations of stage3   
+   * -------------------------*/
+
+  /* sum += x[srcALen-srcBLen+1] * y[0] + x[srcALen-srcBLen+2] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]   
+   * sum += x[srcALen-srcBLen+2] * y[0] + x[srcALen-srcBLen+3] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]   
+   * ....   
+   * sum +=  x[srcALen-2] * y[0] + x[srcALen-1] * y[1]   
+   * sum +=  x[srcALen-1] * y[0]   
+   */
+
+  /* In this stage the MAC operations are decreased by 1 for every iteration.   
+     The count variable holds the number of MAC operations performed */
+  count = srcBLen - 1u;
+
+  /* Working pointer of inputA */
+  pSrc1 = (pIn1 + srcALen) - (srcBLen - 1u);
+  px = pSrc1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+  /* -------------------   
+   * Stage3 process   
+   * ------------------*/
+
+  while(blockSize3 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* sum += x[srcALen - srcBLen + 4] * y[3] , sum += x[srcALen - srcBLen + 3] * y[2] */
+      sum = __SMLALD(*__SIMD32(px)++, *__SIMD32(py)++, sum);
+      /* sum += x[srcALen - srcBLen + 2] * y[1] , sum += x[srcALen - srcBLen + 1] * y[0] */
+      sum = __SMLALD(*__SIMD32(px)++, *__SIMD32(py)++, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      sum = __SMLALD(*px++, *py++, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = (q15_t) (__SSAT((sum >> 15), 16));
+    /* Destination pointer is updated according to the address modifier, inc */
+    pOut += inc;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pIn2;
+
+    /* Decrement the MAC count */
+    count--;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+  }
+
+#else
+
+/* Run the below code for Cortex-M0 */
+
+  q15_t *pIn1 = pSrcA;                           /* inputA pointer               */
+  q15_t *pIn2 = pSrcB + (srcBLen - 1u);          /* inputB pointer               */
+  q63_t sum;                                     /* Accumulators                  */
+  uint32_t i = 0u, j;                            /* loop counters */
+  uint32_t inv = 0u;                             /* Reverse order flag */
+  uint32_t tot = 0u;                             /* Length */
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  /* But CORR(x, y) is reverse of CORR(y, x) */
+  /* So, when srcBLen > srcALen, output pointer is made to point to the end of the output buffer */
+  /* and a varaible, inv is set to 1 */
+  /* If lengths are not equal then zero pad has to be done to  make the two   
+   * inputs of same length. But to improve the performance, we include zeroes   
+   * in the output instead of zero padding either of the the inputs*/
+  /* If srcALen > srcBLen, (srcALen - srcBLen) zeroes has to included in the   
+   * starting of the output buffer */
+  /* If srcALen < srcBLen, (srcALen - srcBLen) zeroes has to included in the  
+   * ending of the output buffer */
+  /* Once the zero padding is done the remaining of the output is calcualted  
+   * using convolution but with the shorter signal time shifted. */
+
+  /* Calculate the length of the remaining sequence */
+  tot = ((srcALen + srcBLen) - 2u);
+
+  if(srcALen > srcBLen)
+  {
+    /* Calculating the number of zeros to be padded to the output */
+    j = srcALen - srcBLen;
+
+    /* Initialise the pointer after zero padding */
+    pDst += j;
+  }
+
+  else if(srcALen < srcBLen)
+  {
+    /* Initialization to inputB pointer */
+    pIn1 = pSrcB;
+
+    /* Initialization to the end of inputA pointer */
+    pIn2 = pSrcA + (srcALen - 1u);
+
+    /* Initialisation of the pointer after zero padding */
+    pDst = pDst + tot;
+
+    /* Swapping the lengths */
+    j = srcALen;
+    srcALen = srcBLen;
+    srcBLen = j;
+
+    /* Setting the reverse flag */
+    inv = 1;
+
+  }
+
+  /* Loop to calculate convolution for output length number of times */
+  for (i = 0u; i <= tot; i++)
+  {
+    /* Initialize sum with zero to carry on MAC operations */
+    sum = 0;
+
+    /* Loop to perform MAC operations according to convolution equation */
+    for (j = 0u; j <= i; j++)
+    {
+      /* Check the array limitations */
+      if((((i - j) < srcBLen) && (j < srcALen)))
+      {
+        /* z[i] += x[i-j] * y[j] */
+        sum += ((q31_t) pIn1[j] * pIn2[-((int32_t) i - j)]);
+      }
+    }
+    /* Store the output in the destination buffer */
+    if(inv == 1)
+      *pDst-- = (q15_t) __SSAT((sum >> 15u), 16u);
+    else
+      *pDst++ = (q15_t) __SSAT((sum >> 15u), 16u);
+  }
+
+#endif /*#if (defined(ARM_MATH_CM4) || defined(ARM_MATH_CM3)) && !defined(UNALIGNED_SUPPORT_DISABLE) */
+
+}
+
+/**   
+ * @} end of Corr group   
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_q31.c
new file mode 100644
index 0000000000..8d0a0c3b12
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_q31.c
@@ -0,0 +1,664 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_correlate_q31.c    
+*    
+* Description:	Correlation of Q31 sequences.  
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.11 2011/10/18  
+*    Bug Fix in conv, correlation, partial convolution.  
+* 
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+*    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup Corr    
+ * @{    
+ */
+
+/**    
+ * @brief Correlation of Q31 sequences.    
+ * @param[in] *pSrcA points to the first input sequence.    
+ * @param[in] srcALen length of the first input sequence.    
+ * @param[in] *pSrcB points to the second input sequence.    
+ * @param[in] srcBLen length of the second input sequence.    
+ * @param[out] *pDst points to the location where the output result is written.  Length 2 * max(srcALen, srcBLen) - 1.    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The function is implemented using an internal 64-bit accumulator.    
+ * The accumulator has a 2.62 format and maintains full precision of the intermediate multiplication results but provides only a single guard bit.    
+ * There is no saturation on intermediate additions.    
+ * Thus, if the accumulator overflows it wraps around and distorts the result.    
+ * The input signals should be scaled down to avoid intermediate overflows.    
+ * Scale down one of the inputs by 1/min(srcALen, srcBLen)to avoid overflows since a    
+ * maximum of min(srcALen, srcBLen) number of additions is carried internally.    
+ * The 2.62 accumulator is right shifted by 31 bits and saturated to 1.31 format to yield the final result.    
+ *    
+ * \par    
+ * See arm_correlate_fast_q31() for a faster but less precise implementation of this function for Cortex-M3 and Cortex-M4.    
+ */
+
+void arm_correlate_q31(
+  q31_t * pSrcA,
+  uint32_t srcALen,
+  q31_t * pSrcB,
+  uint32_t srcBLen,
+  q31_t * pDst)
+{
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t *pIn1;                                   /* inputA pointer               */
+  q31_t *pIn2;                                   /* inputB pointer               */
+  q31_t *pOut = pDst;                            /* output pointer               */
+  q31_t *px;                                     /* Intermediate inputA pointer  */
+  q31_t *py;                                     /* Intermediate inputB pointer  */
+  q31_t *pSrc1;                                  /* Intermediate pointers        */
+  q63_t sum, acc0, acc1, acc2;                   /* Accumulators                  */
+  q31_t x0, x1, x2, c0;                          /* temporary variables for holding input and coefficient values */
+  uint32_t j, k = 0u, count, blkCnt, outBlockSize, blockSize1, blockSize2, blockSize3;  /* loop counter                 */
+  int32_t inc = 1;                               /* Destination address modifier */
+
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  /* But CORR(x, y) is reverse of CORR(y, x) */
+  /* So, when srcBLen > srcALen, output pointer is made to point to the end of the output buffer */
+  /* and the destination pointer modifier, inc is set to -1 */
+  /* If srcALen > srcBLen, zero pad has to be done to srcB to make the two inputs of same length */
+  /* But to improve the performance,    
+   * we include zeroes in the output instead of zero padding either of the the inputs*/
+  /* If srcALen > srcBLen,    
+   * (srcALen - srcBLen) zeroes has to included in the starting of the output buffer */
+  /* If srcALen < srcBLen,    
+   * (srcALen - srcBLen) zeroes has to included in the ending of the output buffer */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcA);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcB);
+
+    /* Number of output samples is calculated */
+    outBlockSize = (2u * srcALen) - 1u;
+
+    /* When srcALen > srcBLen, zero padding is done to srcB    
+     * to make their lengths equal.    
+     * Instead, (outBlockSize - (srcALen + srcBLen - 1))    
+     * number of output samples are made zero */
+    j = outBlockSize - (srcALen + (srcBLen - 1u));
+
+    /* Updating the pointer position to non zero value */
+    pOut += j;
+
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcB);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcA);
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+
+    /* CORR(x, y) = Reverse order(CORR(y, x)) */
+    /* Hence set the destination pointer to point to the last output sample */
+    pOut = pDst + ((srcALen + srcBLen) - 2u);
+
+    /* Destination address modifier is set to -1 */
+    inc = -1;
+
+  }
+
+  /* The function is internally    
+   * divided into three parts according to the number of multiplications that has to be    
+   * taken place between inputA samples and inputB samples. In the first part of the    
+   * algorithm, the multiplications increase by one for every iteration.    
+   * In the second part of the algorithm, srcBLen number of multiplications are done.    
+   * In the third part of the algorithm, the multiplications decrease by one    
+   * for every iteration.*/
+  /* The algorithm is implemented in three stages.    
+   * The loop counters of each stage is initiated here. */
+  blockSize1 = srcBLen - 1u;
+  blockSize2 = srcALen - (srcBLen - 1u);
+  blockSize3 = blockSize1;
+
+  /* --------------------------    
+   * Initializations of stage1    
+   * -------------------------*/
+
+  /* sum = x[0] * y[srcBlen - 1]    
+   * sum = x[0] * y[srcBlen - 2] + x[1] * y[srcBlen - 1]    
+   * ....    
+   * sum = x[0] * y[0] + x[1] * y[1] +...+ x[srcBLen - 1] * y[srcBLen - 1]    
+   */
+
+  /* In this stage the MAC operations are increased by 1 for every iteration.    
+     The count variable holds the number of MAC operations performed */
+  count = 1u;
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  pSrc1 = pIn2 + (srcBLen - 1u);
+  py = pSrc1;
+
+  /* ------------------------    
+   * Stage1 process    
+   * ----------------------*/
+
+  /* The first stage starts here */
+  while(blockSize1 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* x[0] * y[srcBLen - 4] */
+      sum += (q63_t) * px++ * (*py++);
+      /* x[1] * y[srcBLen - 3] */
+      sum += (q63_t) * px++ * (*py++);
+      /* x[2] * y[srcBLen - 2] */
+      sum += (q63_t) * px++ * (*py++);
+      /* x[3] * y[srcBLen - 1] */
+      sum += (q63_t) * px++ * (*py++);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.    
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* x[0] * y[srcBLen - 1] */
+      sum += (q63_t) * px++ * (*py++);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = (q31_t) (sum >> 31);
+    /* Destination pointer is updated according to the address modifier, inc */
+    pOut += inc;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pSrc1 - count;
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* --------------------------    
+   * Initializations of stage2    
+   * ------------------------*/
+
+  /* sum = x[0] * y[0] + x[1] * y[1] +...+ x[srcBLen-1] * y[srcBLen-1]    
+   * sum = x[1] * y[0] + x[2] * y[1] +...+ x[srcBLen] * y[srcBLen-1]    
+   * ....    
+   * sum = x[srcALen-srcBLen-2] * y[0] + x[srcALen-srcBLen-1] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]    
+   */
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+  /* count is index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+  /* -------------------    
+   * Stage2 process    
+   * ------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.    
+   * So, to loop unroll over blockSize2,    
+   * srcBLen should be greater than or equal to 4 */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll by 3 */
+    blkCnt = blockSize2 / 3;
+
+    while(blkCnt > 0u)
+    {
+      /* Set all accumulators to zero */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+
+      /* read x[0], x[1] samples */
+      x0 = *(px++);
+      x1 = *(px++);
+
+      /* Apply loop unrolling and compute 3 MACs simultaneously. */
+      k = srcBLen / 3;
+
+      /* First part of the processing with loop unrolling.  Compute 3 MACs at a time.        
+       ** a second loop below computes MACs for the remaining 1 to 2 samples. */
+      do
+      {
+        /* Read y[0] sample */
+        c0 = *(py);
+
+        /* Read x[2] sample */
+        x2 = *(px);
+
+        /* Perform the multiply-accumulate */
+        /* acc0 +=  x[0] * y[0] */
+        acc0 += ((q63_t) x0 * c0);
+        /* acc1 +=  x[1] * y[0] */
+        acc1 += ((q63_t) x1 * c0);
+        /* acc2 +=  x[2] * y[0] */
+        acc2 += ((q63_t) x2 * c0);
+
+        /* Read y[1] sample */
+        c0 = *(py + 1u);
+
+        /* Read x[3] sample */
+        x0 = *(px + 1u);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[1] * y[1] */
+        acc0 += ((q63_t) x1 * c0);
+        /* acc1 +=  x[2] * y[1] */
+        acc1 += ((q63_t) x2 * c0);
+        /* acc2 +=  x[3] * y[1] */
+        acc2 += ((q63_t) x0 * c0);
+
+        /* Read y[2] sample */
+        c0 = *(py + 2u);
+
+        /* Read x[4] sample */
+        x1 = *(px + 2u);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[2] * y[2] */
+        acc0 += ((q63_t) x2 * c0);
+        /* acc1 +=  x[3] * y[2] */
+        acc1 += ((q63_t) x0 * c0);
+        /* acc2 +=  x[4] * y[2] */
+        acc2 += ((q63_t) x1 * c0);
+
+        /* update scratch pointers */
+        px += 3u;
+        py += 3u;
+
+      } while(--k);
+
+      /* If the srcBLen is not a multiple of 3, compute any remaining MACs here.        
+       ** No loop unrolling is used. */
+      k = srcBLen - (3 * (srcBLen / 3));
+
+      while(k > 0u)
+      {
+        /* Read y[4] sample */
+        c0 = *(py++);
+
+        /* Read x[7] sample */
+        x2 = *(px++);
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[4] * y[4] */
+        acc0 += ((q63_t) x0 * c0);
+        /* acc1 +=  x[5] * y[4] */
+        acc1 += ((q63_t) x1 * c0);
+        /* acc2 +=  x[6] * y[4] */
+        acc2 += ((q63_t) x2 * c0);
+
+        /* Reuse the present samples for the next MAC */
+        x0 = x1;
+        x1 = x2;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q31_t) (acc0 >> 31);
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      *pOut = (q31_t) (acc1 >> 31);
+      pOut += inc;
+
+      *pOut = (q31_t) (acc2 >> 31);
+      pOut += inc;
+
+      /* Increment the pointer pIn1 index, count by 3 */
+      count += 3u;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize2 is not a multiple of 3, compute any remaining output samples here.        
+     ** No loop unrolling is used. */
+    blkCnt = blockSize2 - 3 * (blockSize2 / 3);
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += (q63_t) * px++ * (*py++);
+        sum += (q63_t) * px++ * (*py++);
+        sum += (q63_t) * px++ * (*py++);
+        sum += (q63_t) * px++ * (*py++);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.    
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += (q63_t) * px++ * (*py++);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q31_t) (sum >> 31);
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+  else
+  {
+    /* If the srcBLen is not a multiple of 4,    
+     * the blockSize2 loop cannot be unrolled by 4 */
+    blkCnt = blockSize2;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Loop over srcBLen */
+      k = srcBLen;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += (q63_t) * px++ * (*py++);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q31_t) (sum >> 31);
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+
+  /* --------------------------    
+   * Initializations of stage3    
+   * -------------------------*/
+
+  /* sum += x[srcALen-srcBLen+1] * y[0] + x[srcALen-srcBLen+2] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]    
+   * sum += x[srcALen-srcBLen+2] * y[0] + x[srcALen-srcBLen+3] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]    
+   * ....    
+   * sum +=  x[srcALen-2] * y[0] + x[srcALen-1] * y[1]    
+   * sum +=  x[srcALen-1] * y[0]    
+   */
+
+  /* In this stage the MAC operations are decreased by 1 for every iteration.    
+     The count variable holds the number of MAC operations performed */
+  count = srcBLen - 1u;
+
+  /* Working pointer of inputA */
+  pSrc1 = pIn1 + (srcALen - (srcBLen - 1u));
+  px = pSrc1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+  /* -------------------    
+   * Stage3 process    
+   * ------------------*/
+
+  while(blockSize3 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.    
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* sum += x[srcALen - srcBLen + 4] * y[3] */
+      sum += (q63_t) * px++ * (*py++);
+      /* sum += x[srcALen - srcBLen + 3] * y[2] */
+      sum += (q63_t) * px++ * (*py++);
+      /* sum += x[srcALen - srcBLen + 2] * y[1] */
+      sum += (q63_t) * px++ * (*py++);
+      /* sum += x[srcALen - srcBLen + 1] * y[0] */
+      sum += (q63_t) * px++ * (*py++);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.    
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      sum += (q63_t) * px++ * (*py++);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = (q31_t) (sum >> 31);
+    /* Destination pointer is updated according to the address modifier, inc */
+    pOut += inc;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pIn2;
+
+    /* Decrement the MAC count */
+    count--;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q31_t *pIn1 = pSrcA;                           /* inputA pointer               */
+  q31_t *pIn2 = pSrcB + (srcBLen - 1u);          /* inputB pointer               */
+  q63_t sum;                                     /* Accumulators                  */
+  uint32_t i = 0u, j;                            /* loop counters */
+  uint32_t inv = 0u;                             /* Reverse order flag */
+  uint32_t tot = 0u;                             /* Length */
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  /* But CORR(x, y) is reverse of CORR(y, x) */
+  /* So, when srcBLen > srcALen, output pointer is made to point to the end of the output buffer */
+  /* and a varaible, inv is set to 1 */
+  /* If lengths are not equal then zero pad has to be done to  make the two    
+   * inputs of same length. But to improve the performance, we include zeroes    
+   * in the output instead of zero padding either of the the inputs*/
+  /* If srcALen > srcBLen, (srcALen - srcBLen) zeroes has to included in the    
+   * starting of the output buffer */
+  /* If srcALen < srcBLen, (srcALen - srcBLen) zeroes has to included in the   
+   * ending of the output buffer */
+  /* Once the zero padding is done the remaining of the output is calcualted   
+   * using correlation but with the shorter signal time shifted. */
+
+  /* Calculate the length of the remaining sequence */
+  tot = ((srcALen + srcBLen) - 2u);
+
+  if(srcALen > srcBLen)
+  {
+    /* Calculating the number of zeros to be padded to the output */
+    j = srcALen - srcBLen;
+
+    /* Initialise the pointer after zero padding */
+    pDst += j;
+  }
+
+  else if(srcALen < srcBLen)
+  {
+    /* Initialization to inputB pointer */
+    pIn1 = pSrcB;
+
+    /* Initialization to the end of inputA pointer */
+    pIn2 = pSrcA + (srcALen - 1u);
+
+    /* Initialisation of the pointer after zero padding */
+    pDst = pDst + tot;
+
+    /* Swapping the lengths */
+    j = srcALen;
+    srcALen = srcBLen;
+    srcBLen = j;
+
+    /* Setting the reverse flag */
+    inv = 1;
+
+  }
+
+  /* Loop to calculate correlation for output length number of times */
+  for (i = 0u; i <= tot; i++)
+  {
+    /* Initialize sum with zero to carry on MAC operations */
+    sum = 0;
+
+    /* Loop to perform MAC operations according to correlation equation */
+    for (j = 0u; j <= i; j++)
+    {
+      /* Check the array limitations */
+      if((((i - j) < srcBLen) && (j < srcALen)))
+      {
+        /* z[i] += x[i-j] * y[j] */
+        sum += ((q63_t) pIn1[j] * pIn2[-((int32_t) i - j)]);
+      }
+    }
+    /* Store the output in the destination buffer */
+    if(inv == 1)
+      *pDst-- = (q31_t) (sum >> 31u);
+    else
+      *pDst++ = (q31_t) (sum >> 31u);
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of Corr group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_q7.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_q7.c
new file mode 100644
index 0000000000..eb2ddff999
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_correlate_q7.c
@@ -0,0 +1,789 @@
+/* ----------------------------------------------------------------------   
+* Copyright (C) 2010 ARM Limited. All rights reserved.   
+*   
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*   
+* Project: 	    CMSIS DSP Library   
+* Title:		arm_correlate_q7.c   
+*   
+* Description:	Correlation of Q7 sequences. 
+*   
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*
+* Version 1.0.11 2011/10/18 
+*    Bug Fix in conv, correlation, partial convolution. 
+*
+* Version 1.0.10 2011/7/15 
+*    Big Endian support added and Merged M0 and M3/M4 Source code.  
+*   
+* Version 1.0.3 2010/11/29  
+*    Re-organized the CMSIS folders and updated documentation.   
+*    
+* Version 1.0.2 2010/11/11   
+*    Documentation updated.    
+*   
+* Version 1.0.1 2010/10/05    
+*    Production release and review comments incorporated.   
+*   
+* Version 1.0.0 2010/09/20    
+*    Production release and review comments incorporated   
+*   
+* Version 0.0.7  2010/06/10    
+*    Misra-C changes done   
+*   
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**   
+ * @ingroup groupFilters   
+ */
+
+/**   
+ * @addtogroup Corr   
+ * @{   
+ */
+
+/**   
+ * @brief Correlation of Q7 sequences.   
+ * @param[in] *pSrcA points to the first input sequence.   
+ * @param[in] srcALen length of the first input sequence.   
+ * @param[in] *pSrcB points to the second input sequence.   
+ * @param[in] srcBLen length of the second input sequence.   
+ * @param[out] *pDst points to the location where the output result is written.  Length 2 * max(srcALen, srcBLen) - 1.   
+ * @return none.   
+ *   
+ * @details   
+ * Scaling and Overflow Behavior:   
+ *   
+ * \par   
+ * The function is implemented using a 32-bit internal accumulator.   
+ * Both the inputs are represented in 1.7 format and multiplications yield a 2.14 result.   
+ * The 2.14 intermediate results are accumulated in a 32-bit accumulator in 18.14 format.   
+ * This approach provides 17 guard bits and there is no risk of overflow as long as max(srcALen, srcBLen)<131072.   
+ * The 18.14 result is then truncated to 18.7 format by discarding the low 7 bits and saturated to 1.7 format.   
+ *
+ * \par    
+ * Refer the function arm_correlate_opt_q7() for a faster implementation of this function.
+ * 
+ */
+
+void arm_correlate_q7(
+  q7_t * pSrcA,
+  uint32_t srcALen,
+  q7_t * pSrcB,
+  uint32_t srcBLen,
+  q7_t * pDst)
+{
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q7_t *pIn1;                                    /* inputA pointer               */
+  q7_t *pIn2;                                    /* inputB pointer               */
+  q7_t *pOut = pDst;                             /* output pointer               */
+  q7_t *px;                                      /* Intermediate inputA pointer  */
+  q7_t *py;                                      /* Intermediate inputB pointer  */
+  q7_t *pSrc1;                                   /* Intermediate pointers        */
+  q31_t sum, acc0, acc1, acc2, acc3;             /* Accumulators                  */
+  q31_t input1, input2;                          /* temporary variables */
+  q15_t in1, in2;                                /* temporary variables */
+  q7_t x0, x1, x2, x3, c0, c1;                   /* temporary variables for holding input and coefficient values */
+  uint32_t j, k = 0u, count, blkCnt, outBlockSize, blockSize1, blockSize2, blockSize3;  /* loop counter                 */
+  int32_t inc = 1;
+
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  /* But CORR(x, y) is reverse of CORR(y, x) */
+  /* So, when srcBLen > srcALen, output pointer is made to point to the end of the output buffer */
+  /* and the destination pointer modifier, inc is set to -1 */
+  /* If srcALen > srcBLen, zero pad has to be done to srcB to make the two inputs of same length */
+  /* But to improve the performance,   
+   * we include zeroes in the output instead of zero padding either of the the inputs*/
+  /* If srcALen > srcBLen,   
+   * (srcALen - srcBLen) zeroes has to included in the starting of the output buffer */
+  /* If srcALen < srcBLen,   
+   * (srcALen - srcBLen) zeroes has to included in the ending of the output buffer */
+  if(srcALen >= srcBLen)
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcA);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcB);
+
+    /* Number of output samples is calculated */
+    outBlockSize = (2u * srcALen) - 1u;
+
+    /* When srcALen > srcBLen, zero padding is done to srcB   
+     * to make their lengths equal.   
+     * Instead, (outBlockSize - (srcALen + srcBLen - 1))   
+     * number of output samples are made zero */
+    j = outBlockSize - (srcALen + (srcBLen - 1u));
+
+    /* Updating the pointer position to non zero value */
+    pOut += j;
+
+  }
+  else
+  {
+    /* Initialization of inputA pointer */
+    pIn1 = (pSrcB);
+
+    /* Initialization of inputB pointer */
+    pIn2 = (pSrcA);
+
+    /* srcBLen is always considered as shorter or equal to srcALen */
+    j = srcBLen;
+    srcBLen = srcALen;
+    srcALen = j;
+
+    /* CORR(x, y) = Reverse order(CORR(y, x)) */
+    /* Hence set the destination pointer to point to the last output sample */
+    pOut = pDst + ((srcALen + srcBLen) - 2u);
+
+    /* Destination address modifier is set to -1 */
+    inc = -1;
+
+  }
+
+  /* The function is internally   
+   * divided into three parts according to the number of multiplications that has to be   
+   * taken place between inputA samples and inputB samples. In the first part of the   
+   * algorithm, the multiplications increase by one for every iteration.   
+   * In the second part of the algorithm, srcBLen number of multiplications are done.   
+   * In the third part of the algorithm, the multiplications decrease by one   
+   * for every iteration.*/
+  /* The algorithm is implemented in three stages.   
+   * The loop counters of each stage is initiated here. */
+  blockSize1 = srcBLen - 1u;
+  blockSize2 = srcALen - (srcBLen - 1u);
+  blockSize3 = blockSize1;
+
+  /* --------------------------   
+   * Initializations of stage1   
+   * -------------------------*/
+
+  /* sum = x[0] * y[srcBlen - 1]   
+   * sum = x[0] * y[srcBlen - 2] + x[1] * y[srcBlen - 1]   
+   * ....   
+   * sum = x[0] * y[0] + x[1] * y[1] +...+ x[srcBLen - 1] * y[srcBLen - 1]   
+   */
+
+  /* In this stage the MAC operations are increased by 1 for every iteration.   
+     The count variable holds the number of MAC operations performed */
+  count = 1u;
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  pSrc1 = pIn2 + (srcBLen - 1u);
+  py = pSrc1;
+
+  /* ------------------------   
+   * Stage1 process   
+   * ----------------------*/
+
+  /* The first stage starts here */
+  while(blockSize1 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* x[0] , x[1] */
+      in1 = (q15_t) * px++;
+      in2 = (q15_t) * px++;
+      input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+      /* y[srcBLen - 4] , y[srcBLen - 3] */
+      in1 = (q15_t) * py++;
+      in2 = (q15_t) * py++;
+      input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+      /* x[0] * y[srcBLen - 4] */
+      /* x[1] * y[srcBLen - 3] */
+      sum = __SMLAD(input1, input2, sum);
+
+      /* x[2] , x[3] */
+      in1 = (q15_t) * px++;
+      in2 = (q15_t) * px++;
+      input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+      /* y[srcBLen - 2] , y[srcBLen - 1] */
+      in1 = (q15_t) * py++;
+      in2 = (q15_t) * py++;
+      input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+      /* x[2] * y[srcBLen - 2] */
+      /* x[3] * y[srcBLen - 1] */
+      sum = __SMLAD(input1, input2, sum);
+
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      /* x[0] * y[srcBLen - 1] */
+      sum += (q31_t) ((q15_t) * px++ * *py++);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = (q7_t) (__SSAT(sum >> 7, 8));
+    /* Destination pointer is updated according to the address modifier, inc */
+    pOut += inc;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    py = pSrc1 - count;
+    px = pIn1;
+
+    /* Increment the MAC count */
+    count++;
+
+    /* Decrement the loop counter */
+    blockSize1--;
+  }
+
+  /* --------------------------   
+   * Initializations of stage2   
+   * ------------------------*/
+
+  /* sum = x[0] * y[0] + x[1] * y[1] +...+ x[srcBLen-1] * y[srcBLen-1]   
+   * sum = x[1] * y[0] + x[2] * y[1] +...+ x[srcBLen] * y[srcBLen-1]   
+   * ....   
+   * sum = x[srcALen-srcBLen-2] * y[0] + x[srcALen-srcBLen-1] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]   
+   */
+
+  /* Working pointer of inputA */
+  px = pIn1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+  /* count is index by which the pointer pIn1 to be incremented */
+  count = 0u;
+
+  /* -------------------   
+   * Stage2 process   
+   * ------------------*/
+
+  /* Stage2 depends on srcBLen as in this stage srcBLen number of MACS are performed.   
+   * So, to loop unroll over blockSize2,   
+   * srcBLen should be greater than or equal to 4 */
+  if(srcBLen >= 4u)
+  {
+    /* Loop unroll over blockSize2, by 4 */
+    blkCnt = blockSize2 >> 2u;
+
+    while(blkCnt > 0u)
+    {
+      /* Set all accumulators to zero */
+      acc0 = 0;
+      acc1 = 0;
+      acc2 = 0;
+      acc3 = 0;
+
+      /* read x[0], x[1], x[2] samples */
+      x0 = *px++;
+      x1 = *px++;
+      x2 = *px++;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      do
+      {
+        /* Read y[0] sample */
+        c0 = *py++;
+        /* Read y[1] sample */
+        c1 = *py++;
+
+        /* Read x[3] sample */
+        x3 = *px++;
+
+        /* x[0] and x[1] are packed */
+        in1 = (q15_t) x0;
+        in2 = (q15_t) x1;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* y[0] and y[1] are packed */
+        in1 = (q15_t) c0;
+        in2 = (q15_t) c1;
+
+        input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* acc0 += x[0] * y[0] + x[1] * y[1]  */
+        acc0 = __SMLAD(input1, input2, acc0);
+
+        /* x[1] and x[2] are packed */
+        in1 = (q15_t) x1;
+        in2 = (q15_t) x2;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* acc1 += x[1] * y[0] + x[2] * y[1] */
+        acc1 = __SMLAD(input1, input2, acc1);
+
+        /* x[2] and x[3] are packed */
+        in1 = (q15_t) x2;
+        in2 = (q15_t) x3;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* acc2 += x[2] * y[0] + x[3] * y[1]  */
+        acc2 = __SMLAD(input1, input2, acc2);
+
+        /* Read x[4] sample */
+        x0 = *(px++);
+
+        /* x[3] and x[4] are packed */
+        in1 = (q15_t) x3;
+        in2 = (q15_t) x0;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* acc3 += x[3] * y[0] + x[4] * y[1]  */
+        acc3 = __SMLAD(input1, input2, acc3);
+
+        /* Read y[2] sample */
+        c0 = *py++;
+        /* Read y[3] sample */
+        c1 = *py++;
+
+        /* Read x[5] sample */
+        x1 = *px++;
+
+        /* x[2] and x[3] are packed */
+        in1 = (q15_t) x2;
+        in2 = (q15_t) x3;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* y[2] and y[3] are packed */
+        in1 = (q15_t) c0;
+        in2 = (q15_t) c1;
+
+        input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* acc0 += x[2] * y[2] + x[3] * y[3]  */
+        acc0 = __SMLAD(input1, input2, acc0);
+
+        /* x[3] and x[4] are packed */
+        in1 = (q15_t) x3;
+        in2 = (q15_t) x0;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* acc1 += x[3] * y[2] + x[4] * y[3]  */
+        acc1 = __SMLAD(input1, input2, acc1);
+
+        /* x[4] and x[5] are packed */
+        in1 = (q15_t) x0;
+        in2 = (q15_t) x1;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* acc2 += x[4] * y[2] + x[5] * y[3]  */
+        acc2 = __SMLAD(input1, input2, acc2);
+
+        /* Read x[6] sample */
+        x2 = *px++;
+
+        /* x[5] and x[6] are packed */
+        in1 = (q15_t) x1;
+        in2 = (q15_t) x2;
+
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* acc3 += x[5] * y[2] + x[6] * y[3]  */
+        acc3 = __SMLAD(input1, input2, acc3);
+
+      } while(--k);
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Read y[4] sample */
+        c0 = *py++;
+
+        /* Read x[7] sample */
+        x3 = *px++;
+
+        /* Perform the multiply-accumulates */
+        /* acc0 +=  x[4] * y[4] */
+        acc0 += ((q15_t) x0 * c0);
+        /* acc1 +=  x[5] * y[4] */
+        acc1 += ((q15_t) x1 * c0);
+        /* acc2 +=  x[6] * y[4] */
+        acc2 += ((q15_t) x2 * c0);
+        /* acc3 +=  x[7] * y[4] */
+        acc3 += ((q15_t) x3 * c0);
+
+        /* Reuse the present samples for the next MAC */
+        x0 = x1;
+        x1 = x2;
+        x2 = x3;
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q7_t) (__SSAT(acc0 >> 7, 8));
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      *pOut = (q7_t) (__SSAT(acc1 >> 7, 8));
+      pOut += inc;
+
+      *pOut = (q7_t) (__SSAT(acc2 >> 7, 8));
+      pOut += inc;
+
+      *pOut = (q7_t) (__SSAT(acc3 >> 7, 8));
+      pOut += inc;
+
+	  count += 4u;
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize2 is not a multiple of 4, compute any remaining output samples here.   
+     ** No loop unrolling is used. */
+    blkCnt = blockSize2 % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Apply loop unrolling and compute 4 MACs simultaneously. */
+      k = srcBLen >> 2u;
+
+      /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+       ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+      while(k > 0u)
+      {
+        /* Reading two inputs of SrcA buffer and packing */
+        in1 = (q15_t) * px++;
+        in2 = (q15_t) * px++;
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* Reading two inputs of SrcB buffer and packing */
+        in1 = (q15_t) * py++;
+        in2 = (q15_t) * py++;
+        input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* Perform the multiply-accumulates */
+        sum = __SMLAD(input1, input2, sum);
+
+        /* Reading two inputs of SrcA buffer and packing */
+        in1 = (q15_t) * px++;
+        in2 = (q15_t) * px++;
+        input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* Reading two inputs of SrcB buffer and packing */
+        in1 = (q15_t) * py++;
+        in2 = (q15_t) * py++;
+        input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+        /* Perform the multiply-accumulates */
+        sum = __SMLAD(input1, input2, sum);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* If the srcBLen is not a multiple of 4, compute any remaining MACs here.   
+       ** No loop unrolling is used. */
+      k = srcBLen % 0x4u;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulates */
+        sum += ((q15_t) * px++ * *py++);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q7_t) (__SSAT(sum >> 7, 8));
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      /* Increment the pointer pIn1 index, count by 1 */
+	  count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+  else
+  {
+    /* If the srcBLen is not a multiple of 4,   
+     * the blockSize2 loop cannot be unrolled by 4 */
+    blkCnt = blockSize2;
+
+    while(blkCnt > 0u)
+    {
+      /* Accumulator is made zero for every iteration */
+      sum = 0;
+
+      /* Loop over srcBLen */
+      k = srcBLen;
+
+      while(k > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += ((q15_t) * px++ * *py++);
+
+        /* Decrement the loop counter */
+        k--;
+      }
+
+      /* Store the result in the accumulator in the destination buffer. */
+      *pOut = (q7_t) (__SSAT(sum >> 7, 8));
+      /* Destination pointer is updated according to the address modifier, inc */
+      pOut += inc;
+
+      /* Increment the MAC count */
+      count++;
+
+      /* Update the inputA and inputB pointers for next MAC calculation */
+      px = pIn1 + count;
+      py = pIn2;
+
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+  }
+
+  /* --------------------------   
+   * Initializations of stage3   
+   * -------------------------*/
+
+  /* sum += x[srcALen-srcBLen+1] * y[0] + x[srcALen-srcBLen+2] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]   
+   * sum += x[srcALen-srcBLen+2] * y[0] + x[srcALen-srcBLen+3] * y[1] +...+ x[srcALen-1] * y[srcBLen-1]   
+   * ....   
+   * sum +=  x[srcALen-2] * y[0] + x[srcALen-1] * y[1]   
+   * sum +=  x[srcALen-1] * y[0]   
+   */
+
+  /* In this stage the MAC operations are decreased by 1 for every iteration.   
+     The count variable holds the number of MAC operations performed */
+  count = srcBLen - 1u;
+
+  /* Working pointer of inputA */
+  pSrc1 = pIn1 + (srcALen - (srcBLen - 1u));
+  px = pSrc1;
+
+  /* Working pointer of inputB */
+  py = pIn2;
+
+  /* -------------------   
+   * Stage3 process   
+   * ------------------*/
+
+  while(blockSize3 > 0u)
+  {
+    /* Accumulator is made zero for every iteration */
+    sum = 0;
+
+    /* Apply loop unrolling and compute 4 MACs simultaneously. */
+    k = count >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 MACs at a time.   
+     ** a second loop below computes MACs for the remaining 1 to 3 samples. */
+    while(k > 0u)
+    {
+      /* x[srcALen - srcBLen + 1] , x[srcALen - srcBLen + 2]  */
+      in1 = (q15_t) * px++;
+      in2 = (q15_t) * px++;
+      input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+      /* y[0] , y[1] */
+      in1 = (q15_t) * py++;
+      in2 = (q15_t) * py++;
+      input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+      /* sum += x[srcALen - srcBLen + 1] * y[0] */
+      /* sum += x[srcALen - srcBLen + 2] * y[1] */
+      sum = __SMLAD(input1, input2, sum);
+
+      /* x[srcALen - srcBLen + 3] , x[srcALen - srcBLen + 4] */
+      in1 = (q15_t) * px++;
+      in2 = (q15_t) * px++;
+      input1 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+      /* y[2] , y[3] */
+      in1 = (q15_t) * py++;
+      in2 = (q15_t) * py++;
+      input2 = ((q31_t) in1 & 0x0000FFFF) | ((q31_t) in2 << 16);
+
+      /* sum += x[srcALen - srcBLen + 3] * y[2] */
+      /* sum += x[srcALen - srcBLen + 4] * y[3] */
+      sum = __SMLAD(input1, input2, sum);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* If the count is not a multiple of 4, compute any remaining MACs here.   
+     ** No loop unrolling is used. */
+    k = count % 0x4u;
+
+    while(k > 0u)
+    {
+      /* Perform the multiply-accumulates */
+      sum += ((q15_t) * px++ * *py++);
+
+      /* Decrement the loop counter */
+      k--;
+    }
+
+    /* Store the result in the accumulator in the destination buffer. */
+    *pOut = (q7_t) (__SSAT(sum >> 7, 8));
+    /* Destination pointer is updated according to the address modifier, inc */
+    pOut += inc;
+
+    /* Update the inputA and inputB pointers for next MAC calculation */
+    px = ++pSrc1;
+    py = pIn2;
+
+    /* Decrement the MAC count */
+    count--;
+
+    /* Decrement the loop counter */
+    blockSize3--;
+  }
+
+#else
+
+/* Run the below code for Cortex-M0 */
+
+  q7_t *pIn1 = pSrcA;                            /* inputA pointer */
+  q7_t *pIn2 = pSrcB + (srcBLen - 1u);           /* inputB pointer */
+  q31_t sum;                                     /* Accumulator */
+  uint32_t i = 0u, j;                            /* loop counters */
+  uint32_t inv = 0u;                             /* Reverse order flag */
+  uint32_t tot = 0u;                             /* Length */
+
+  /* The algorithm implementation is based on the lengths of the inputs. */
+  /* srcB is always made to slide across srcA. */
+  /* So srcBLen is always considered as shorter or equal to srcALen */
+  /* But CORR(x, y) is reverse of CORR(y, x) */
+  /* So, when srcBLen > srcALen, output pointer is made to point to the end of the output buffer */
+  /* and a varaible, inv is set to 1 */
+  /* If lengths are not equal then zero pad has to be done to  make the two   
+   * inputs of same length. But to improve the performance, we include zeroes   
+   * in the output instead of zero padding either of the the inputs*/
+  /* If srcALen > srcBLen, (srcALen - srcBLen) zeroes has to included in the   
+   * starting of the output buffer */
+  /* If srcALen < srcBLen, (srcALen - srcBLen) zeroes has to included in the  
+   * ending of the output buffer */
+  /* Once the zero padding is done the remaining of the output is calcualted  
+   * using convolution but with the shorter signal time shifted. */
+
+  /* Calculate the length of the remaining sequence */
+  tot = ((srcALen + srcBLen) - 2u);
+
+  if(srcALen > srcBLen)
+  {
+    /* Calculating the number of zeros to be padded to the output */
+    j = srcALen - srcBLen;
+
+    /* Initialise the pointer after zero padding */
+    pDst += j;
+  }
+
+  else if(srcALen < srcBLen)
+  {
+    /* Initialization to inputB pointer */
+    pIn1 = pSrcB;
+
+    /* Initialization to the end of inputA pointer */
+    pIn2 = pSrcA + (srcALen - 1u);
+
+    /* Initialisation of the pointer after zero padding */
+    pDst = pDst + tot;
+
+    /* Swapping the lengths */
+    j = srcALen;
+    srcALen = srcBLen;
+    srcBLen = j;
+
+    /* Setting the reverse flag */
+    inv = 1;
+
+  }
+
+  /* Loop to calculate convolution for output length number of times */
+  for (i = 0u; i <= tot; i++)
+  {
+    /* Initialize sum with zero to carry on MAC operations */
+    sum = 0;
+
+    /* Loop to perform MAC operations according to convolution equation */
+    for (j = 0u; j <= i; j++)
+    {
+      /* Check the array limitations */
+      if((((i - j) < srcBLen) && (j < srcALen)))
+      {
+        /* z[i] += x[i-j] * y[j] */
+        sum += ((q15_t) pIn1[j] * pIn2[-((int32_t) i - j)]);
+      }
+    }
+    /* Store the output in the destination buffer */
+    if(inv == 1)
+      *pDst-- = (q7_t) __SSAT((sum >> 7u), 8u);
+    else
+      *pDst++ = (q7_t) __SSAT((sum >> 7u), 8u);
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**   
+ * @} end of Corr group   
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_f32.c
new file mode 100644
index 0000000000..60cd2ad3b3
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_f32.c
@@ -0,0 +1,518 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_decimate_f32.c    
+*    
+* Description:	FIR decimation for floating-point sequences.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+*    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @defgroup FIR_decimate Finite Impulse Response (FIR) Decimator    
+ *    
+ * These functions combine an FIR filter together with a decimator.    
+ * They are used in multirate systems for reducing the sample rate of a signal without introducing aliasing distortion.    
+ * Conceptually, the functions are equivalent to the block diagram below:    
+ * \image html FIRDecimator.gif "Components included in the FIR Decimator functions"    
+ * When decimating by a factor of M, the signal should be prefiltered by a lowpass filter with a normalized    
+ * cutoff frequency of 1/M in order to prevent aliasing distortion.    
+ * The user of the function is responsible for providing the filter coefficients.    
+ *    
+ * The FIR decimator functions provided in the CMSIS DSP Library combine the FIR filter and the decimator in an efficient manner.    
+ * Instead of calculating all of the FIR filter outputs and discarding M-1 out of every M, only the    
+ * samples output by the decimator are computed.    
+ * The functions operate on blocks of input and output data.    
+ * pSrc points to an array of blockSize input values and    
+ * pDst points to an array of blockSize/M output values.    
+ * In order to have an integer number of output samples blockSize    
+ * must always be a multiple of the decimation factor M.    
+ *    
+ * The library provides separate functions for Q15, Q31 and floating-point data types.    
+ *    
+ * \par Algorithm:    
+ * The FIR portion of the algorithm uses the standard form filter:    
+ * 
    
+ *    y[n] = b[0] * x[n] + b[1] * x[n-1] + b[2] * x[n-2] + ...+ b[numTaps-1] * x[n-numTaps+1]    
+ * 
    
+ * where, b[n] are the filter coefficients.    
+ * \par   
+ * The pCoeffs points to a coefficient array of size numTaps.    
+ * Coefficients are stored in time reversed order.    
+ * \par    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * \par    
+ * pState points to a state array of size numTaps + blockSize - 1.    
+ * Samples in the state buffer are stored in the order:    
+ * \par    
+ * 
    
+ *    {x[n-numTaps+1], x[n-numTaps], x[n-numTaps-1], x[n-numTaps-2]....x[0], x[1], ..., x[blockSize-1]}    
+ * 
    
+ * The state variables are updated after each block of data is processed, the coefficients are untouched.    
+ *    
+ * \par Instance Structure    
+ * The coefficients and state variables for a filter are stored together in an instance data structure.    
+ * A separate instance structure must be defined for each filter.    
+ * Coefficient arrays may be shared among several instances while state variable array should be allocated separately.    
+ * There are separate instance structure declarations for each of the 3 supported data types.    
+ *    
+ * \par Initialization Functions    
+ * There is also an associated initialization function for each data type.    
+ * The initialization function performs the following operations:    
+ * - Sets the values of the internal structure fields.    
+ * - Zeros out the values in the state buffer.    
+ * - Checks to make sure that the size of the input is a multiple of the decimation factor.    
+ *    
+ * \par    
+ * Use of the initialization function is optional.    
+ * However, if the initialization function is used, then the instance structure cannot be placed into a const data section.    
+ * To place an instance structure into a const data section, the instance structure must be manually initialized.    
+ * The code below statically initializes each of the 3 different data type filter instance structures    
+ * 
    
+ *arm_fir_decimate_instance_f32 S = {M, numTaps, pCoeffs, pState};    
+ *arm_fir_decimate_instance_q31 S = {M, numTaps, pCoeffs, pState};    
+ *arm_fir_decimate_instance_q15 S = {M, numTaps, pCoeffs, pState};    
+ * 
    
+ * where M is the decimation factor; numTaps is the number of filter coefficients in the filter;    
+ * pCoeffs is the address of the coefficient buffer;    
+ * pState is the address of the state buffer.    
+ * Be sure to set the values in the state buffer to zeros when doing static initialization.    
+ *    
+ * \par Fixed-Point Behavior    
+ * Care must be taken when using the fixed-point versions of the FIR decimate filter functions.    
+ * In particular, the overflow and saturation behavior of the accumulator used in each function must be considered.    
+ * Refer to the function specific documentation below for usage guidelines.    
+ */
+
+/**    
+ * @addtogroup FIR_decimate    
+ * @{    
+ */
+
+  /**    
+   * @brief Processing function for the floating-point FIR decimator.    
+   * @param[in] *S        points to an instance of the floating-point FIR decimator structure.    
+   * @param[in] *pSrc     points to the block of input data.    
+   * @param[out] *pDst    points to the block of output data.    
+   * @param[in] blockSize number of input samples to process per call.    
+   * @return none.    
+   */
+
+void arm_fir_decimate_f32(
+  const arm_fir_decimate_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  float32_t *pState = S->pState;                 /* State pointer */
+  float32_t *pCoeffs = S->pCoeffs;               /* Coefficient pointer */
+  float32_t *pStateCurnt;                        /* Points to the current sample of the state */
+  float32_t *px, *pb;                            /* Temporary pointers for state and coefficient buffers */
+  float32_t sum0;                                /* Accumulator */
+  float32_t x0, c0;                              /* Temporary variables to hold state and coefficient values */
+  uint32_t numTaps = S->numTaps;                 /* Number of filter coefficients in the filter */
+  uint32_t i, tapCnt, blkCnt, outBlockSize = blockSize / S->M;  /* Loop counters */
+
+#ifndef ARM_MATH_CM0
+
+  uint32_t blkCntN4;
+  float32_t *px0, *px1, *px2, *px3;
+  float32_t acc0, acc1, acc2, acc3;
+  float32_t x1, x2, x3;
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /* S->pState buffer contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + (numTaps - 1u);
+
+  /* Total number of output samples to be computed */
+  blkCnt = outBlockSize / 4;
+  blkCntN4 = outBlockSize - (4 * blkCnt);
+
+  while(blkCnt > 0u)
+  {
+    /* Copy 4 * decimation factor number of new input samples into the state buffer */
+    i = 4 * S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /* Set accumulators to zero */
+    acc0 = 0.0f;
+    acc1 = 0.0f;
+    acc2 = 0.0f;
+    acc3 = 0.0f;
+
+    /* Initialize state pointer for all the samples */
+    px0 = pState;
+    px1 = pState + S->M;
+    px2 = pState + 2 * S->M;
+    px3 = pState + 3 * S->M;
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.       
+     ** Repeat until we've computed numTaps-4 coefficients. */
+
+    while(tapCnt > 0u)
+    {
+      /* Read the b[numTaps-1] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-1] sample for acc0 */
+      x0 = *(px0++);
+      /* Read x[n-numTaps-1] sample for acc1 */
+      x1 = *(px1++);
+      /* Read x[n-numTaps-1] sample for acc2 */
+      x2 = *(px2++);
+      /* Read x[n-numTaps-1] sample for acc3 */
+      x3 = *(px3++);
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+      acc2 += x2 * c0;
+      acc3 += x3 * c0;
+
+      /* Read the b[numTaps-2] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-2] sample for acc0, acc1, acc2, acc3 */
+      x0 = *(px0++);
+      x1 = *(px1++);
+      x2 = *(px2++);
+      x3 = *(px3++);
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+      acc2 += x2 * c0;
+      acc3 += x3 * c0;
+
+      /* Read the b[numTaps-3] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-3] sample acc0, acc1, acc2, acc3 */
+      x0 = *(px0++);
+      x1 = *(px1++);
+      x2 = *(px2++);
+      x3 = *(px3++);
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+      acc2 += x2 * c0;
+      acc3 += x3 * c0;
+
+      /* Read the b[numTaps-4] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-4] sample acc0, acc1, acc2, acc3 */
+      x0 = *(px0++);
+      x1 = *(px1++);
+      x2 = *(px2++);
+      x3 = *(px3++);
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+      acc2 += x2 * c0;
+      acc3 += x3 * c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *(pb++);
+
+      /* Fetch  state variables for acc0, acc1, acc2, acc3 */
+      x0 = *(px0++);
+      x1 = *(px1++);
+      x2 = *(px2++);
+      x3 = *(px3++);
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+      acc2 += x2 * c0;
+      acc3 += x3 * c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor       
+     * to process the next group of decimation factor number samples */
+    pState = pState + 4 * S->M;
+
+    /* The result is in the accumulator, store in the destination buffer. */
+    *pDst++ = acc0;
+    *pDst++ = acc1;
+    *pDst++ = acc2;
+    *pDst++ = acc3;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  while(blkCntN4 > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /* Set accumulator to zero */
+    sum0 = 0.0f;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.       
+     ** Repeat until we've computed numTaps-4 coefficients. */
+    while(tapCnt > 0u)
+    {
+      /* Read the b[numTaps-1] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-1] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Read the b[numTaps-2] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-2] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Read the b[numTaps-3] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-3] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Read the b[numTaps-4] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-4] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *(pb++);
+
+      /* Fetch 1 state variable */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor       
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M;
+
+    /* The result is in the accumulator, store in the destination buffer. */
+    *pDst++ = sum0;
+
+    /* Decrement the loop counter */
+    blkCntN4--;
+  }
+
+  /* Processing is complete.    
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.    
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  i = (numTaps - 1u) >> 2;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+  i = (numTaps - 1u) % 0x04u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+#else
+
+/* Run the below code for Cortex-M0 */
+
+  /* S->pState buffer contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + (numTaps - 1u);
+
+  /* Total number of output samples to be computed */
+  blkCnt = outBlockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /* Set accumulator to zero */
+    sum0 = 0.0f;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *pb++;
+
+      /* Fetch 1 state variable */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor           
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M;
+
+    /* The result is in the accumulator, store in the destination buffer. */
+    *pDst++ = sum0;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.         
+   ** Now copy the last numTaps - 1 samples to the start of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  /* Copy numTaps number of values */
+  i = (numTaps - 1u);
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0        */
+
+}
+
+/**    
+ * @} end of FIR_decimate group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_fast_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_fast_q15.c
new file mode 100644
index 0000000000..b3d55464b7
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_fast_q15.c
@@ -0,0 +1,590 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_decimate_fast_q15.c    
+*    
+* Description:	Fast Q15 FIR Decimator.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_decimate    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the Q15 FIR decimator (fast variant) for Cortex-M3 and Cortex-M4.    
+ * @param[in] *S points to an instance of the Q15 FIR decimator structure.    
+ * @param[in] *pSrc points to the block of input data.    
+ * @param[out] *pDst points to the block of output data    
+ * @param[in] blockSize number of input samples to process per call.    
+ * @return none    
+ *    
+ * \par Restrictions   
+ *  If the silicon does not support unaligned memory access enable the macro UNALIGNED_SUPPORT_DISABLE   
+ *	In this case input, output, state buffers should be aligned by 32-bit   
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * This fast version uses a 32-bit accumulator with 2.30 format.    
+ * The accumulator maintains full precision of the intermediate multiplication results but provides only a single guard bit.    
+ * Thus, if the accumulator result overflows it wraps around and distorts the result.    
+ * In order to avoid overflows completely the input signal must be scaled down by log2(numTaps) bits (log2 is read as log to the base 2).    
+ * The 2.30 accumulator is then truncated to 2.15 format and saturated to yield the 1.15 result.    
+ *    
+ * \par    
+ * Refer to the function arm_fir_decimate_q15() for a slower implementation of this function which uses 64-bit accumulation to avoid wrap around distortion.    
+ * Both the slow and the fast versions use the same instance structure.    
+ * Use the function arm_fir_decimate_init_q15() to initialize the filter structure.    
+ */
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+void arm_fir_decimate_fast_q15(
+  const arm_fir_decimate_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pState = S->pState;                     /* State pointer */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q15_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q15_t *px;                                     /* Temporary pointer for state buffer */
+  q15_t *pb;                                     /* Temporary pointer coefficient buffer */
+  q31_t x0, x1, c0, c1;                          /* Temporary variables to hold state and coefficient values */
+  q31_t sum0;                                    /* Accumulators */
+  q31_t acc0, acc1;
+  q15_t *px0, *px1;
+  uint32_t blkCntN3;
+  uint32_t numTaps = S->numTaps;                 /* Number of taps */
+  uint32_t i, blkCnt, tapCnt, outBlockSize = blockSize / S->M;  /* Loop counters */
+
+
+  /* S->pState buffer contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + (numTaps - 1u);
+
+
+  /* Total number of output samples to be computed */
+  blkCnt = outBlockSize / 2;
+  blkCntN3 = outBlockSize - (2 * blkCnt);
+
+
+  while(blkCnt > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = 2 * S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /* Set accumulator to zero */
+    acc0 = 0;
+    acc1 = 0;
+
+    /* Initialize state pointer */
+    px0 = pState;
+
+    px1 = pState + S->M;
+
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.       
+     ** Repeat until we've computed numTaps-4 coefficients. */
+    while(tapCnt > 0u)
+    {
+      /* Read the Read b[numTaps-1] and b[numTaps-2]  coefficients */
+      c0 = *__SIMD32(pb)++;
+
+      /* Read x[n-numTaps-1] and x[n-numTaps-2]sample */
+      x0 = *__SIMD32(px0)++;
+
+      x1 = *__SIMD32(px1)++;
+
+      /* Perform the multiply-accumulate */
+      acc0 = __SMLAD(x0, c0, acc0);
+
+      acc1 = __SMLAD(x1, c0, acc1);
+
+      /* Read the b[numTaps-3] and b[numTaps-4] coefficient */
+      c0 = *__SIMD32(pb)++;
+
+      /* Read x[n-numTaps-2] and x[n-numTaps-3] sample */
+      x0 = *__SIMD32(px0)++;
+
+      x1 = *__SIMD32(px1)++;
+
+      /* Perform the multiply-accumulate */
+      acc0 = __SMLAD(x0, c0, acc0);
+
+      acc1 = __SMLAD(x1, c0, acc1);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *pb++;
+
+      /* Fetch 1 state variable */
+      x0 = *px0++;
+
+      x1 = *px1++;
+
+      /* Perform the multiply-accumulate */
+      acc0 = __SMLAD(x0, c0, acc0);
+      acc1 = __SMLAD(x1, c0, acc1);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor       
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M * 2;
+
+    /* Store filter output, smlad returns the values in 2.14 format */
+    /* so downsacle by 15 to get output in 1.15 */
+    *pDst++ = (q15_t) (__SSAT((acc0 >> 15), 16));
+    *pDst++ = (q15_t) (__SSAT((acc1 >> 15), 16));
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+
+
+  while(blkCntN3 > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /*Set sum to zero */
+    sum0 = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.       
+     ** Repeat until we've computed numTaps-4 coefficients. */
+    while(tapCnt > 0u)
+    {
+      /* Read the Read b[numTaps-1] and b[numTaps-2]  coefficients */
+      c0 = *__SIMD32(pb)++;
+
+      /* Read x[n-numTaps-1] and x[n-numTaps-2]sample */
+      x0 = *__SIMD32(px)++;
+
+      /* Read the b[numTaps-3] and b[numTaps-4] coefficient */
+      c1 = *__SIMD32(pb)++;
+
+      /* Perform the multiply-accumulate */
+      sum0 = __SMLAD(x0, c0, sum0);
+
+      /* Read x[n-numTaps-2] and x[n-numTaps-3] sample */
+      x0 = *__SIMD32(px)++;
+
+      /* Perform the multiply-accumulate */
+      sum0 = __SMLAD(x0, c1, sum0);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *pb++;
+
+      /* Fetch 1 state variable */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 = __SMLAD(x0, c0, sum0);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor       
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M;
+
+    /* Store filter output, smlad returns the values in 2.14 format */
+    /* so downsacle by 15 to get output in 1.15 */
+    *pDst++ = (q15_t) (__SSAT((sum0 >> 15), 16));
+
+    /* Decrement the loop counter */
+    blkCntN3--;
+  }
+
+  /* Processing is complete.       
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  i = (numTaps - 1u) >> 2u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pState)++;
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pState)++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+  i = (numTaps - 1u) % 0x04u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+}
+
+#else
+
+
+void arm_fir_decimate_fast_q15(
+  const arm_fir_decimate_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pState = S->pState;                     /* State pointer */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q15_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q15_t *px;                                     /* Temporary pointer for state buffer */
+  q15_t *pb;                                     /* Temporary pointer coefficient buffer */
+  q15_t x0, x1, c0;                              /* Temporary variables to hold state and coefficient values */
+  q31_t sum0;                                    /* Accumulators */
+  q31_t acc0, acc1;
+  q15_t *px0, *px1;
+  uint32_t blkCntN3;
+  uint32_t numTaps = S->numTaps;                 /* Number of taps */
+  uint32_t i, blkCnt, tapCnt, outBlockSize = blockSize / S->M;  /* Loop counters */
+
+
+  /* S->pState buffer contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + (numTaps - 1u);
+
+
+  /* Total number of output samples to be computed */
+  blkCnt = outBlockSize / 2;
+  blkCntN3 = outBlockSize - (2 * blkCnt);
+
+  while(blkCnt > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = 2 * S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /* Set accumulator to zero */
+    acc0 = 0;
+    acc1 = 0;
+
+    /* Initialize state pointer */
+    px0 = pState;
+
+    px1 = pState + S->M;
+
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.       
+     ** Repeat until we've computed numTaps-4 coefficients. */
+    while(tapCnt > 0u)
+    {
+      /* Read the Read b[numTaps-1] coefficients */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-1] for sample 0 and for sample 1 */
+      x0 = *px0++;
+      x1 = *px1++;
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+
+      /* Read the b[numTaps-2] coefficient */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-2] for sample 0 and sample 1 */
+      x0 = *px0++;
+      x1 = *px1++;
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+
+      /* Read the b[numTaps-3]  coefficients */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-3] for sample 0 and sample 1 */
+      x0 = *px0++;
+      x1 = *px1++;
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+
+      /* Read the b[numTaps-4] coefficient */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-4] for sample 0 and sample 1 */
+      x0 = *px0++;
+      x1 = *px1++;
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *pb++;
+
+      /* Fetch 1 state variable */
+      x0 = *px0++;
+      x1 = *px1++;
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor       
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M * 2;
+
+    /* Store filter output, smlad returns the values in 2.14 format */
+    /* so downsacle by 15 to get output in 1.15 */
+
+    *pDst++ = (q15_t) (__SSAT((acc0 >> 15), 16));
+    *pDst++ = (q15_t) (__SSAT((acc1 >> 15), 16));
+
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  while(blkCntN3 > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /*Set sum to zero */
+    sum0 = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.       
+     ** Repeat until we've computed numTaps-4 coefficients. */
+    while(tapCnt > 0u)
+    {
+      /* Read the Read b[numTaps-1] coefficients */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-1] and sample */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Read the b[numTaps-2] coefficient */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-2] and  sample */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Read the b[numTaps-3]  coefficients */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-3] sample */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Read the b[numTaps-4] coefficient */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-4] sample */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *pb++;
+
+      /* Fetch 1 state variable */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor       
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M;
+
+    /* Store filter output, smlad returns the values in 2.14 format */
+    /* so downsacle by 15 to get output in 1.15 */
+    *pDst++ = (q15_t) (__SSAT((sum0 >> 15), 16));
+
+    /* Decrement the loop counter */
+    blkCntN3--;
+  }
+
+  /* Processing is complete.       
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  i = (numTaps - 1u) >> 2u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+  i = (numTaps - 1u) % 0x04u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+}
+
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+/**    
+ * @} end of FIR_decimate group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_fast_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_fast_q31.c
new file mode 100644
index 0000000000..d2f0e5fd07
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_fast_q31.c
@@ -0,0 +1,343 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_decimate_fast_q31.c    
+*    
+* Description:	Fast Q31 FIR Decimator.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_decimate    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the Q31 FIR decimator (fast variant) for Cortex-M3 and Cortex-M4.    
+ * @param[in] *S points to an instance of the Q31 FIR decimator structure.    
+ * @param[in] *pSrc points to the block of input data.    
+ * @param[out] *pDst points to the block of output data    
+ * @param[in] blockSize number of input samples to process per call.    
+ * @return none    
+ *    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * This function is optimized for speed at the expense of fixed-point precision and overflow protection.    
+ * The result of each 1.31 x 1.31 multiplication is truncated to 2.30 format.    
+ * These intermediate results are added to a 2.30 accumulator.    
+ * Finally, the accumulator is saturated and converted to a 1.31 result.    
+ * The fast version has the same overflow behavior as the standard version and provides less precision since it discards the low 32 bits of each multiplication result.    
+ * In order to avoid overflows completely the input signal must be scaled down by log2(numTaps) bits (where log2 is read as log to the base 2).    
+ *    
+ * \par    
+ * Refer to the function arm_fir_decimate_q31() for a slower implementation of this function which uses a 64-bit accumulator to provide higher precision.    
+ * Both the slow and the fast versions use the same instance structure.    
+ * Use the function arm_fir_decimate_init_q31() to initialize the filter structure.    
+ */
+
+void arm_fir_decimate_fast_q31(
+  arm_fir_decimate_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  q31_t *pState = S->pState;                     /* State pointer */
+  q31_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q31_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q31_t x0, c0;                                  /* Temporary variables to hold state and coefficient values */
+  q31_t *px;                                     /* Temporary pointers for state buffer */
+  q31_t *pb;                                     /* Temporary pointers for coefficient buffer */
+  q31_t sum0;                                    /* Accumulator */
+  uint32_t numTaps = S->numTaps;                 /* Number of taps */
+  uint32_t i, tapCnt, blkCnt, outBlockSize = blockSize / S->M;  /* Loop counters */
+  uint32_t blkCntN2;
+  q31_t x1;
+  q31_t acc0, acc1;
+  q31_t *px0, *px1;
+
+  /* S->pState buffer contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + (numTaps - 1u);
+
+  /* Total number of output samples to be computed */
+
+  blkCnt = outBlockSize / 2;
+  blkCntN2 = outBlockSize - (2 * blkCnt);
+
+  while(blkCnt > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = 2 * S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /* Set accumulator to zero */
+    acc0 = 0;
+    acc1 = 0;
+
+    /* Initialize state pointer */
+    px0 = pState;
+    px1 = pState + S->M;
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.       
+     ** Repeat until we've computed numTaps-4 coefficients. */
+    while(tapCnt > 0u)
+    {
+      /* Read the b[numTaps-1] coefficient */
+      c0 = *(pb);
+
+      /* Read x[n-numTaps-1] for sample 0 sample 1 */
+      x0 = *(px0);
+      x1 = *(px1);
+
+      /* Perform the multiply-accumulate */
+      acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x0 * c0)) >> 32);
+      acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x1 * c0)) >> 32);
+
+      /* Read the b[numTaps-2] coefficient */
+      c0 = *(pb + 1u);
+
+      /* Read x[n-numTaps-2]  for sample 0 sample 1  */
+      x0 = *(px0 + 1u);
+      x1 = *(px1 + 1u);
+
+      /* Perform the multiply-accumulate */
+      acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x0 * c0)) >> 32);
+      acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x1 * c0)) >> 32);
+
+      /* Read the b[numTaps-3] coefficient */
+      c0 = *(pb + 2u);
+
+      /* Read x[n-numTaps-3]  for sample 0 sample 1 */
+      x0 = *(px0 + 2u);
+      x1 = *(px1 + 2u);
+      pb += 4u;
+
+      /* Perform the multiply-accumulate */
+      acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x0 * c0)) >> 32);
+      acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x1 * c0)) >> 32);
+
+      /* Read the b[numTaps-4] coefficient */
+      c0 = *(pb - 1u);
+
+      /* Read x[n-numTaps-4] for sample 0 sample 1 */
+      x0 = *(px0 + 3u);
+      x1 = *(px1 + 3u);
+
+
+      /* Perform the multiply-accumulate */
+      acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x0 * c0)) >> 32);
+      acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x1 * c0)) >> 32);
+
+      /* update state pointers */
+      px0 += 4u;
+      px1 += 4u;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *(pb++);
+
+      /* Fetch 1 state variable */
+      x0 = *(px0++);
+      x1 = *(px1++);
+
+      /* Perform the multiply-accumulate */
+      acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x0 * c0)) >> 32);
+      acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x1 * c0)) >> 32);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor       
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M * 2;
+
+    /* The result is in the accumulator, store in the destination buffer. */
+    *pDst++ = (q31_t) (acc0 << 1);
+    *pDst++ = (q31_t) (acc1 << 1);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  while(blkCntN2 > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /* Set accumulator to zero */
+    sum0 = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.       
+     ** Repeat until we've computed numTaps-4 coefficients. */
+    while(tapCnt > 0u)
+    {
+      /* Read the b[numTaps-1] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-1] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 = (q31_t) ((((q63_t) sum0 << 32) + ((q63_t) x0 * c0)) >> 32);
+
+      /* Read the b[numTaps-2] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-2] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 = (q31_t) ((((q63_t) sum0 << 32) + ((q63_t) x0 * c0)) >> 32);
+
+      /* Read the b[numTaps-3] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-3] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 = (q31_t) ((((q63_t) sum0 << 32) + ((q63_t) x0 * c0)) >> 32);
+
+      /* Read the b[numTaps-4] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-4] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 = (q31_t) ((((q63_t) sum0 << 32) + ((q63_t) x0 * c0)) >> 32);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *(pb++);
+
+      /* Fetch 1 state variable */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 = (q31_t) ((((q63_t) sum0 << 32) + ((q63_t) x0 * c0)) >> 32);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor       
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M;
+
+    /* The result is in the accumulator, store in the destination buffer. */
+    *pDst++ = (q31_t) (sum0 << 1);
+
+    /* Decrement the loop counter */
+    blkCntN2--;
+  }
+
+  /* Processing is complete.       
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  i = (numTaps - 1u) >> 2u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+  i = (numTaps - 1u) % 0x04u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+}
+
+/**    
+ * @} end of FIR_decimate group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_init_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_init_f32.c
new file mode 100644
index 0000000000..55c1e991a8
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_init_f32.c
@@ -0,0 +1,112 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_decimate_init_f32.c    
+*    
+* Description:  Floating-point FIR Decimator initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_decimate    
+ * @{    
+ */
+
+/**    
+ * @brief  Initialization function for the floating-point FIR decimator.    
+ * @param[in,out] *S points to an instance of the floating-point FIR decimator structure.    
+ * @param[in] numTaps  number of coefficients in the filter.    
+ * @param[in] M  decimation factor.    
+ * @param[in] *pCoeffs points to the filter coefficients.    
+ * @param[in] *pState points to the state buffer.    
+ * @param[in] blockSize number of input samples to process per call.    
+ * @return    The function returns ARM_MATH_SUCCESS if initialization was successful or ARM_MATH_LENGTH_ERROR if    
+ * blockSize is not a multiple of M.    
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * \par    
+ * pState points to the array of state variables.    
+ * pState is of length numTaps+blockSize-1 words where blockSize is the number of input samples passed to arm_fir_decimate_f32().    
+ * M is the decimation factor.    
+ */
+
+arm_status arm_fir_decimate_init_f32(
+  arm_fir_decimate_instance_f32 * S,
+  uint16_t numTaps,
+  uint8_t M,
+  float32_t * pCoeffs,
+  float32_t * pState,
+  uint32_t blockSize)
+{
+  arm_status status;
+
+  /* The size of the input block must be a multiple of the decimation factor */
+  if((blockSize % M) != 0u)
+  {
+    /* Set status as ARM_MATH_LENGTH_ERROR */
+    status = ARM_MATH_LENGTH_ERROR;
+  }
+  else
+  {
+    /* Assign filter taps */
+    S->numTaps = numTaps;
+
+    /* Assign coefficient pointer */
+    S->pCoeffs = pCoeffs;
+
+    /* Clear state buffer and size is always (blockSize + numTaps - 1) */
+    memset(pState, 0, (numTaps + (blockSize - 1u)) * sizeof(float32_t));
+
+    /* Assign state pointer */
+    S->pState = pState;
+
+    /* Assign Decimation Factor */
+    S->M = M;
+
+    status = ARM_MATH_SUCCESS;
+  }
+
+  return (status);
+
+}
+
+/**    
+ * @} end of FIR_decimate group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_init_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_init_q15.c
new file mode 100644
index 0000000000..a6ccab926d
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_init_q15.c
@@ -0,0 +1,114 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_decimate_init_q15.c    
+*    
+* Description:  Initialization function for the Q15 FIR Decimator.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_decimate    
+ * @{    
+ */
+
+/**    
+ * @brief  Initialization function for the Q15 FIR decimator.    
+ * @param[in,out] *S points to an instance of the Q15 FIR decimator structure.    
+ * @param[in] numTaps  number of coefficients in the filter.    
+ * @param[in] M  decimation factor.    
+ * @param[in] *pCoeffs points to the filter coefficients.    
+ * @param[in] *pState points to the state buffer.    
+ * @param[in] blockSize number of input samples to process per call.    
+ * @return    The function returns ARM_MATH_SUCCESS if initialization was successful or ARM_MATH_LENGTH_ERROR if    
+ * blockSize is not a multiple of M.    
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * \par    
+ * pState points to the array of state variables.    
+ * pState is of length numTaps+blockSize-1 words where blockSize is the number of input samples    
+ * to the call arm_fir_decimate_q15().    
+ * M is the decimation factor.    
+ */
+
+arm_status arm_fir_decimate_init_q15(
+  arm_fir_decimate_instance_q15 * S,
+  uint16_t numTaps,
+  uint8_t M,
+  q15_t * pCoeffs,
+  q15_t * pState,
+  uint32_t blockSize)
+{
+
+  arm_status status;
+
+  /* The size of the input block must be a multiple of the decimation factor */
+  if((blockSize % M) != 0u)
+  {
+    /* Set status as ARM_MATH_LENGTH_ERROR */
+    status = ARM_MATH_LENGTH_ERROR;
+  }
+  else
+  {
+    /* Assign filter taps */
+    S->numTaps = numTaps;
+
+    /* Assign coefficient pointer */
+    S->pCoeffs = pCoeffs;
+
+    /* Clear the state buffer.  The size of buffer is always (blockSize + numTaps - 1) */
+    memset(pState, 0, (numTaps + (blockSize - 1u)) * sizeof(q15_t));
+
+    /* Assign state pointer */
+    S->pState = pState;
+
+    /* Assign Decimation factor */
+    S->M = M;
+
+    status = ARM_MATH_SUCCESS;
+  }
+
+  return (status);
+
+}
+
+/**    
+ * @} end of FIR_decimate group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_init_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_init_q31.c
new file mode 100644
index 0000000000..046ac1aa31
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_init_q31.c
@@ -0,0 +1,112 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_decimate_init_q31.c    
+*    
+* Description:  Initialization function for Q31 FIR Decimation filter.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_decimate    
+ * @{    
+ */
+
+/**    
+ * @brief  Initialization function for the Q31 FIR decimator.    
+ * @param[in,out] *S points to an instance of the Q31 FIR decimator structure.    
+ * @param[in] numTaps  number of coefficients in the filter.    
+ * @param[in] M  decimation factor.    
+ * @param[in] *pCoeffs points to the filter coefficients.    
+ * @param[in] *pState points to the state buffer.    
+ * @param[in] blockSize number of input samples to process per call.    
+ * @return    The function returns ARM_MATH_SUCCESS if initialization was successful or ARM_MATH_LENGTH_ERROR if    
+ * blockSize is not a multiple of M.    
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * \par    
+ * pState points to the array of state variables.    
+ * pState is of length numTaps+blockSize-1 words where blockSize is the number of input samples passed to arm_fir_decimate_q31().    
+ * M is the decimation factor.    
+ */
+
+arm_status arm_fir_decimate_init_q31(
+  arm_fir_decimate_instance_q31 * S,
+  uint16_t numTaps,
+  uint8_t M,
+  q31_t * pCoeffs,
+  q31_t * pState,
+  uint32_t blockSize)
+{
+  arm_status status;
+
+  /* The size of the input block must be a multiple of the decimation factor */
+  if((blockSize % M) != 0u)
+  {
+    /* Set status as ARM_MATH_LENGTH_ERROR */
+    status = ARM_MATH_LENGTH_ERROR;
+  }
+  else
+  {
+    /* Assign filter taps */
+    S->numTaps = numTaps;
+
+    /* Assign coefficient pointer */
+    S->pCoeffs = pCoeffs;
+
+    /* Clear the state buffer.  The size is always (blockSize + numTaps - 1) */
+    memset(pState, 0, (numTaps + (blockSize - 1)) * sizeof(q31_t));
+
+    /* Assign state pointer */
+    S->pState = pState;
+
+    /* Assign Decimation factor */
+    S->M = M;
+
+    status = ARM_MATH_SUCCESS;
+  }
+
+  return (status);
+
+}
+
+/**    
+ * @} end of FIR_decimate group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_q15.c
new file mode 100644
index 0000000000..3fead69284
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_q15.c
@@ -0,0 +1,691 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_decimate_q15.c    
+*    
+* Description:	Q15 FIR Decimator.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_decimate    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the Q15 FIR decimator.    
+ * @param[in] *S points to an instance of the Q15 FIR decimator structure.    
+ * @param[in] *pSrc points to the block of input data.    
+ * @param[out] *pDst points to the location where the output result is written.    
+ * @param[in] blockSize number of input samples to process per call.    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using a 64-bit internal accumulator.    
+ * Both coefficients and state variables are represented in 1.15 format and multiplications yield a 2.30 result.    
+ * The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format.    
+ * There is no risk of internal overflow with this approach and the full precision of intermediate multiplications is preserved.    
+ * After all additions have been performed, the accumulator is truncated to 34.15 format by discarding low 15 bits.    
+ * Lastly, the accumulator is saturated to yield a result in 1.15 format.    
+ *    
+ * \par    
+ * Refer to the function arm_fir_decimate_fast_q15() for a faster but less precise implementation of this function for Cortex-M3 and Cortex-M4.    
+ */
+
+#ifndef ARM_MATH_CM0
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+void arm_fir_decimate_q15(
+  const arm_fir_decimate_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pState = S->pState;                     /* State pointer */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q15_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q15_t *px;                                     /* Temporary pointer for state buffer */
+  q15_t *pb;                                     /* Temporary pointer coefficient buffer */
+  q31_t x0, x1, c0, c1;                          /* Temporary variables to hold state and coefficient values */
+  q63_t sum0;                                    /* Accumulators */
+  q63_t acc0, acc1;
+  q15_t *px0, *px1;
+  uint32_t blkCntN3;
+  uint32_t numTaps = S->numTaps;                 /* Number of taps */
+  uint32_t i, blkCnt, tapCnt, outBlockSize = blockSize / S->M;  /* Loop counters */
+
+
+  /* S->pState buffer contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + (numTaps - 1u);
+
+
+  /* Total number of output samples to be computed */
+  blkCnt = outBlockSize / 2;
+  blkCntN3 = outBlockSize - (2 * blkCnt);
+
+
+  while(blkCnt > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = 2 * S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /* Set accumulator to zero */
+    acc0 = 0;
+    acc1 = 0;
+
+    /* Initialize state pointer */
+    px0 = pState;
+
+    px1 = pState + S->M;
+
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.       
+     ** Repeat until we've computed numTaps-4 coefficients. */
+    while(tapCnt > 0u)
+    {
+      /* Read the Read b[numTaps-1] and b[numTaps-2]  coefficients */
+      c0 = *__SIMD32(pb)++;
+
+      /* Read x[n-numTaps-1] and x[n-numTaps-2]sample */
+      x0 = *__SIMD32(px0)++;
+
+      x1 = *__SIMD32(px1)++;
+
+      /* Perform the multiply-accumulate */
+      acc0 = __SMLALD(x0, c0, acc0);
+
+      acc1 = __SMLALD(x1, c0, acc1);
+
+      /* Read the b[numTaps-3] and b[numTaps-4] coefficient */
+      c0 = *__SIMD32(pb)++;
+
+      /* Read x[n-numTaps-2] and x[n-numTaps-3] sample */
+      x0 = *__SIMD32(px0)++;
+
+      x1 = *__SIMD32(px1)++;
+
+      /* Perform the multiply-accumulate */
+      acc0 = __SMLALD(x0, c0, acc0);
+
+      acc1 = __SMLALD(x1, c0, acc1);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *pb++;
+
+      /* Fetch 1 state variable */
+      x0 = *px0++;
+
+      x1 = *px1++;
+
+      /* Perform the multiply-accumulate */
+      acc0 = __SMLALD(x0, c0, acc0);
+      acc1 = __SMLALD(x1, c0, acc1);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor       
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M * 2;
+
+    /* Store filter output, smlad returns the values in 2.14 format */
+    /* so downsacle by 15 to get output in 1.15 */
+    *pDst++ = (q15_t) (__SSAT((acc0 >> 15), 16));
+    *pDst++ = (q15_t) (__SSAT((acc1 >> 15), 16));
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+
+
+  while(blkCntN3 > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /*Set sum to zero */
+    sum0 = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.       
+     ** Repeat until we've computed numTaps-4 coefficients. */
+    while(tapCnt > 0u)
+    {
+      /* Read the Read b[numTaps-1] and b[numTaps-2]  coefficients */
+      c0 = *__SIMD32(pb)++;
+
+      /* Read x[n-numTaps-1] and x[n-numTaps-2]sample */
+      x0 = *__SIMD32(px)++;
+
+      /* Read the b[numTaps-3] and b[numTaps-4] coefficient */
+      c1 = *__SIMD32(pb)++;
+
+      /* Perform the multiply-accumulate */
+      sum0 = __SMLALD(x0, c0, sum0);
+
+      /* Read x[n-numTaps-2] and x[n-numTaps-3] sample */
+      x0 = *__SIMD32(px)++;
+
+      /* Perform the multiply-accumulate */
+      sum0 = __SMLALD(x0, c1, sum0);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *pb++;
+
+      /* Fetch 1 state variable */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 = __SMLALD(x0, c0, sum0);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor       
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M;
+
+    /* Store filter output, smlad returns the values in 2.14 format */
+    /* so downsacle by 15 to get output in 1.15 */
+    *pDst++ = (q15_t) (__SSAT((sum0 >> 15), 16));
+
+    /* Decrement the loop counter */
+    blkCntN3--;
+  }
+
+  /* Processing is complete.       
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  i = (numTaps - 1u) >> 2u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pState)++;
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pState)++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+  i = (numTaps - 1u) % 0x04u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+}
+
+#else
+
+
+void arm_fir_decimate_q15(
+  const arm_fir_decimate_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pState = S->pState;                     /* State pointer */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q15_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q15_t *px;                                     /* Temporary pointer for state buffer */
+  q15_t *pb;                                     /* Temporary pointer coefficient buffer */
+  q15_t x0, x1, c0;                              /* Temporary variables to hold state and coefficient values */
+  q63_t sum0;                                    /* Accumulators */
+  q63_t acc0, acc1;
+  q15_t *px0, *px1;
+  uint32_t blkCntN3;
+  uint32_t numTaps = S->numTaps;                 /* Number of taps */
+  uint32_t i, blkCnt, tapCnt, outBlockSize = blockSize / S->M;  /* Loop counters */
+
+
+  /* S->pState buffer contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + (numTaps - 1u);
+
+
+  /* Total number of output samples to be computed */
+  blkCnt = outBlockSize / 2;
+  blkCntN3 = outBlockSize - (2 * blkCnt);
+
+  while(blkCnt > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = 2 * S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /* Set accumulator to zero */
+    acc0 = 0;
+    acc1 = 0;
+
+    /* Initialize state pointer */
+    px0 = pState;
+
+    px1 = pState + S->M;
+
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.       
+     ** Repeat until we've computed numTaps-4 coefficients. */
+    while(tapCnt > 0u)
+    {
+      /* Read the Read b[numTaps-1] coefficients */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-1] for sample 0 and for sample 1 */
+      x0 = *px0++;
+      x1 = *px1++;
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+
+      /* Read the b[numTaps-2] coefficient */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-2] for sample 0 and sample 1 */
+      x0 = *px0++;
+      x1 = *px1++;
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+
+      /* Read the b[numTaps-3] coefficients */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-3] for sample 0 and sample 1 */
+      x0 = *px0++;
+      x1 = *px1++;
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+
+      /* Read the b[numTaps-4] coefficient */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-4] for sample 0 and sample 1 */
+      x0 = *px0++;
+      x1 = *px1++;
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *pb++;
+
+      /* Fetch 1 state variable */
+      x0 = *px0++;
+      x1 = *px1++;
+
+      /* Perform the multiply-accumulate */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor       
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M * 2;
+
+    /* Store filter output, smlad returns the values in 2.14 format */
+    /* so downsacle by 15 to get output in 1.15 */
+
+    *pDst++ = (q15_t) (__SSAT((acc0 >> 15), 16));
+    *pDst++ = (q15_t) (__SSAT((acc1 >> 15), 16));
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  while(blkCntN3 > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /*Set sum to zero */
+    sum0 = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.       
+     ** Repeat until we've computed numTaps-4 coefficients. */
+    while(tapCnt > 0u)
+    {
+      /* Read the Read b[numTaps-1] coefficients */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-1] and sample */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Read the b[numTaps-2] coefficient */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-2] and  sample */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Read the b[numTaps-3]  coefficients */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-3] sample */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Read the b[numTaps-4] coefficient */
+      c0 = *pb++;
+
+      /* Read x[n-numTaps-4] sample */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *pb++;
+
+      /* Fetch 1 state variable */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 += x0 * c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor       
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M;
+
+    /* Store filter output, smlad returns the values in 2.14 format */
+    /* so downsacle by 15 to get output in 1.15 */
+    *pDst++ = (q15_t) (__SSAT((sum0 >> 15), 16));
+
+    /* Decrement the loop counter */
+    blkCntN3--;
+  }
+
+  /* Processing is complete.       
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  i = (numTaps - 1u) >> 2u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+  i = (numTaps - 1u) % 0x04u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+}
+
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+#else
+
+
+void arm_fir_decimate_q15(
+  const arm_fir_decimate_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pState = S->pState;                     /* State pointer */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q15_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q15_t *px;                                     /* Temporary pointer for state buffer */
+  q15_t *pb;                                     /* Temporary pointer coefficient buffer */
+  q31_t x0, c0;                                  /* Temporary variables to hold state and coefficient values */
+  q63_t sum0;                                    /* Accumulators */
+  uint32_t numTaps = S->numTaps;                 /* Number of taps */
+  uint32_t i, blkCnt, tapCnt, outBlockSize = blockSize / S->M;  /* Loop counters */
+
+
+
+/* Run the below code for Cortex-M0 */
+
+  /* S->pState buffer contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + (numTaps - 1u);
+
+  /* Total number of output samples to be computed */
+  blkCnt = outBlockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /*Set sum to zero */
+    sum0 = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *pb++;
+
+      /* Fetch 1 state variable */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 += (q31_t) x0 *c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor           
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M;
+
+    /*Store filter output , smlad will return the values in 2.14 format */
+    /* so downsacle by 15 to get output in 1.15 */
+    *pDst++ = (q15_t) (__SSAT((sum0 >> 15), 16));
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.         
+   ** Now copy the last numTaps - 1 samples to the start of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  i = numTaps - 1u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+
+}
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+
+/**    
+ * @} end of FIR_decimate group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_q31.c
new file mode 100644
index 0000000000..72bf76c3a2
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_decimate_q31.c
@@ -0,0 +1,306 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_decimate_q31.c    
+*    
+* Description:	Q31 FIR Decimator.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_decimate    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the Q31 FIR decimator.    
+ * @param[in] *S points to an instance of the Q31 FIR decimator structure.    
+ * @param[in] *pSrc points to the block of input data.    
+ * @param[out] *pDst points to the block of output data    
+ * @param[in] blockSize number of input samples to process per call.    
+ * @return none    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using an internal 64-bit accumulator.    
+ * The accumulator has a 2.62 format and maintains full precision of the intermediate multiplication results but provides only a single guard bit.    
+ * Thus, if the accumulator result overflows it wraps around rather than clip.    
+ * In order to avoid overflows completely the input signal must be scaled down by log2(numTaps) bits (where log2 is read as log to the base 2).    
+ * After all multiply-accumulates are performed, the 2.62 accumulator is truncated to 1.32 format and then saturated to 1.31 format.    
+ *    
+ * \par    
+ * Refer to the function arm_fir_decimate_fast_q31() for a faster but less precise implementation of this function for Cortex-M3 and Cortex-M4.    
+ */
+
+void arm_fir_decimate_q31(
+  const arm_fir_decimate_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  q31_t *pState = S->pState;                     /* State pointer */
+  q31_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q31_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q31_t x0, c0;                                  /* Temporary variables to hold state and coefficient values */
+  q31_t *px;                                     /* Temporary pointers for state buffer */
+  q31_t *pb;                                     /* Temporary pointers for coefficient buffer */
+  q63_t sum0;                                    /* Accumulator */
+  uint32_t numTaps = S->numTaps;                 /* Number of taps */
+  uint32_t i, tapCnt, blkCnt, outBlockSize = blockSize / S->M;  /* Loop counters */
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /* S->pState buffer contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + (numTaps - 1u);
+
+  /* Total number of output samples to be computed */
+  blkCnt = outBlockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /* Set accumulator to zero */
+    sum0 = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.    
+     ** Repeat until we've computed numTaps-4 coefficients. */
+    while(tapCnt > 0u)
+    {
+      /* Read the b[numTaps-1] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-1] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 += (q63_t) x0 *c0;
+
+      /* Read the b[numTaps-2] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-2] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 += (q63_t) x0 *c0;
+
+      /* Read the b[numTaps-3] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-3] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 += (q63_t) x0 *c0;
+
+      /* Read the b[numTaps-4] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-4] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 += (q63_t) x0 *c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *(pb++);
+
+      /* Fetch 1 state variable */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      sum0 += (q63_t) x0 *c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor    
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M;
+
+    /* The result is in the accumulator, store in the destination buffer. */
+    *pDst++ = (q31_t) (sum0 >> 31);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.    
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.    
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  i = (numTaps - 1u) >> 2u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+  i = (numTaps - 1u) % 0x04u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+#else
+
+/* Run the below code for Cortex-M0 */
+
+  /* S->pState buffer contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + (numTaps - 1u);
+
+  /* Total number of output samples to be computed */
+  blkCnt = outBlockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* Copy decimation factor number of new input samples into the state buffer */
+    i = S->M;
+
+    do
+    {
+      *pStateCurnt++ = *pSrc++;
+
+    } while(--i);
+
+    /* Set accumulator to zero */
+    sum0 = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = pCoeffs;
+
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *pb++;
+
+      /* Fetch 1 state variable */
+      x0 = *px++;
+
+      /* Perform the multiply-accumulate */
+      sum0 += (q63_t) x0 *c0;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by the decimation factor           
+     * to process the next group of decimation factor number samples */
+    pState = pState + S->M;
+
+    /* The result is in the accumulator, store in the destination buffer. */
+    *pDst++ = (q31_t) (sum0 >> 31);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.         
+   ** Now copy the last numTaps - 1 samples to the start of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  i = numTaps - 1u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of FIR_decimate group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_f32.c
new file mode 100644
index 0000000000..a407131e8a
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_f32.c
@@ -0,0 +1,554 @@
+/* ----------------------------------------------------------------------  
+* Copyright (C) 2010 ARM Limited. All rights reserved.  
+*  
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*  
+* Project: 	    CMSIS DSP Library  
+* Title:	    arm_fir_f32.c  
+*  
+* Description:	Floating-point FIR filter processing function.  
+*  
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.2 2010/11/11  
+*    Documentation updated.   
+*  
+* Version 1.0.1 2010/10/05   
+*    Production release and review comments incorporated.  
+*  
+* Version 1.0.0 2010/09/20   
+*    Production release and review comments incorporated.  
+*  
+* Version 0.0.5  2010/04/26   
+* 	 incorporated review comments and updated with latest CMSIS layer  
+*  
+* Version 0.0.3  2010/03/10   
+*    Initial version  
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**  
+ * @ingroup groupFilters  
+ */
+
+/**  
+ * @defgroup FIR Finite Impulse Response (FIR) Filters  
+ *  
+ * This set of functions implements Finite Impulse Response (FIR) filters  
+ * for Q7, Q15, Q31, and floating-point data types.  Fast versions of Q15 and Q31 are also provided.  
+ * The functions operate on blocks of input and output data and each call to the function processes  
+ * blockSize samples through the filter.  pSrc and  
+ * pDst points to input and output arrays containing blockSize values.  
+ *  
+ * \par Algorithm:  
+ * The FIR filter algorithm is based upon a sequence of multiply-accumulate (MAC) operations.  
+ * Each filter coefficient b[n] is multiplied by a state variable which equals a previous input sample x[n].  
+ * 
  
+ *    y[n] = b[0] * x[n] + b[1] * x[n-1] + b[2] * x[n-2] + ...+ b[numTaps-1] * x[n-numTaps+1]  
+ * 
  
+ * \par  
+ * \image html FIR.gif "Finite Impulse Response filter"  
+ * \par  
+ * pCoeffs points to a coefficient array of size numTaps.  
+ * Coefficients are stored in time reversed order.  
+ * \par  
+ * 
  
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}  
+ * 
  
+ * \par  
+ * pState points to a state array of size numTaps + blockSize - 1.  
+ * Samples in the state buffer are stored in the following order.  
+ * \par  
+ * 
  
+ *    {x[n-numTaps+1], x[n-numTaps], x[n-numTaps-1], x[n-numTaps-2]....x[0], x[1], ..., x[blockSize-1]}  
+ * 
  
+ * \par  
+ * Note that the length of the state buffer exceeds the length of the coefficient array by blockSize-1.  
+ * The increased state buffer length allows circular addressing, which is traditionally used in the FIR filters,  
+ * to be avoided and yields a significant speed improvement.  
+ * The state variables are updated after each block of data is processed; the coefficients are untouched.  
+ * \par Instance Structure  
+ * The coefficients and state variables for a filter are stored together in an instance data structure.  
+ * A separate instance structure must be defined for each filter.  
+ * Coefficient arrays may be shared among several instances while state variable arrays cannot be shared.  
+ * There are separate instance structure declarations for each of the 4 supported data types.  
+ *  
+ * \par Initialization Functions  
+ * There is also an associated initialization function for each data type.  
+ * The initialization function performs the following operations:  
+ * - Sets the values of the internal structure fields.  
+ * - Zeros out the values in the state buffer.  
+ *  
+ * \par  
+ * Use of the initialization function is optional.  
+ * However, if the initialization function is used, then the instance structure cannot be placed into a const data section.  
+ * To place an instance structure into a const data section, the instance structure must be manually initialized.  
+ * Set the values in the state buffer to zeros before static initialization.  
+ * The code below statically initializes each of the 4 different data type filter instance structures  
+ * 
  
+ *arm_fir_instance_f32 S = {numTaps, pState, pCoeffs};  
+ *arm_fir_instance_q31 S = {numTaps, pState, pCoeffs};  
+ *arm_fir_instance_q15 S = {numTaps, pState, pCoeffs};  
+ *arm_fir_instance_q7 S =  {numTaps, pState, pCoeffs};  
+ * 
  
+ *  
+ * where numTaps is the number of filter coefficients in the filter; pState is the address of the state buffer;  
+ * pCoeffs is the address of the coefficient buffer.  
+ *  
+ * \par Fixed-Point Behavior  
+ * Care must be taken when using the fixed-point versions of the FIR filter functions.  
+ * In particular, the overflow and saturation behavior of the accumulator used in each function must be considered.  
+ * Refer to the function specific documentation below for usage guidelines.  
+ */
+
+/**  
+ * @addtogroup FIR  
+ * @{  
+ */
+
+/**  
+ *  
+ * @param[in]  *S points to an instance of the floating-point FIR filter structure.  
+ * @param[in]  *pSrc points to the block of input data.  
+ * @param[out] *pDst points to the block of output data.  
+ * @param[in]  blockSize number of samples to process per call.  
+ * @return     none.  
+ *  
+ */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+void arm_fir_f32(
+  const arm_fir_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  float32_t *pState = S->pState;                 /* State pointer */
+  float32_t *pCoeffs = S->pCoeffs;               /* Coefficient pointer */
+  float32_t *pStateCurnt;                        /* Points to the current sample of the state */
+  float32_t *px, *pb;                            /* Temporary pointers for state and coefficient buffers */
+  float32_t acc0, acc1, acc2, acc3, acc4, acc5, acc6, acc7;     /* Accumulators */
+  float32_t x0, x1, x2, x3, x4, x5, x6, x7, c0;  /* Temporary variables to hold state and coefficient values */
+  uint32_t numTaps = S->numTaps;                 /* Number of filter coefficients in the filter */
+  uint32_t i, tapCnt, blkCnt;                    /* Loop counters */
+
+  /* S->pState points to state array which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Apply loop unrolling and compute 4 output values simultaneously.  
+   * The variables acc0 ... acc3 hold output values that are being computed:  
+   *  
+   *    acc0 =  b[numTaps-1] * x[n-numTaps-1] + b[numTaps-2] * x[n-numTaps-2] + b[numTaps-3] * x[n-numTaps-3] +...+ b[0] * x[0]  
+   *    acc1 =  b[numTaps-1] * x[n-numTaps] +   b[numTaps-2] * x[n-numTaps-1] + b[numTaps-3] * x[n-numTaps-2] +...+ b[0] * x[1]  
+   *    acc2 =  b[numTaps-1] * x[n-numTaps+1] + b[numTaps-2] * x[n-numTaps] +   b[numTaps-3] * x[n-numTaps-1] +...+ b[0] * x[2]  
+   *    acc3 =  b[numTaps-1] * x[n-numTaps+2] + b[numTaps-2] * x[n-numTaps+1] + b[numTaps-3] * x[n-numTaps]   +...+ b[0] * x[3]  
+   */
+  blkCnt = blockSize >> 3;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.  
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* Copy four new input samples into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set all accumulators to zero */
+    acc0 = 0.0f;
+    acc1 = 0.0f;
+    acc2 = 0.0f;
+    acc3 = 0.0f;
+    acc4 = 0.0f;
+    acc5 = 0.0f;
+    acc6 = 0.0f;
+    acc7 = 0.0f;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = (pCoeffs);
+
+    /* Read the first three samples from the state buffer:  x[n-numTaps], x[n-numTaps-1], x[n-numTaps-2] */
+    x0 = *px++;
+    x1 = *px++;
+    x2 = *px++;
+    x3 = *px++;
+    x4 = *px++;
+    x5 = *px++;
+    x6 = *px++;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 3u;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.  
+     ** Repeat until we've computed numTaps-4 coefficients. */
+    while(tapCnt > 0u)
+    {
+      /* Read the b[numTaps-1] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-3] sample */
+      x7 = *(px++);
+
+      /* acc0 +=  b[numTaps-1] * x[n-numTaps] */
+      acc0 += x0 * c0;
+
+      /* acc1 +=  b[numTaps-1] * x[n-numTaps-1] */
+      acc1 += x1 * c0;
+
+      /* acc2 +=  b[numTaps-1] * x[n-numTaps-2] */
+      acc2 += x2 * c0;
+
+      /* acc3 +=  b[numTaps-1] * x[n-numTaps-3] */
+      acc3 += x3 * c0;
+
+      /* acc4 +=  b[numTaps-1] * x[n-numTaps-4] */
+      acc4 += x4 * c0;
+
+      /* acc1 +=  b[numTaps-1] * x[n-numTaps-5] */
+      acc5 += x5 * c0;
+
+      /* acc2 +=  b[numTaps-1] * x[n-numTaps-6] */
+      acc6 += x6 * c0;
+
+      /* acc3 +=  b[numTaps-1] * x[n-numTaps-7] */
+      acc7 += x7 * c0;
+
+      /* Read the b[numTaps-2] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-4] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulate */
+      acc0 += x1 * c0;
+      acc1 += x2 * c0;
+      acc2 += x3 * c0;
+      acc3 += x4 * c0;
+      acc4 += x5 * c0;
+      acc5 += x6 * c0;
+      acc6 += x7 * c0;
+      acc7 += x0 * c0;
+
+      /* Read the b[numTaps-3] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-5] sample */
+      x1 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 += x2 * c0;
+      acc1 += x3 * c0;
+      acc2 += x4 * c0;
+      acc3 += x5 * c0;
+      acc4 += x6 * c0;
+      acc5 += x7 * c0;
+      acc6 += x0 * c0;
+      acc7 += x1 * c0;
+
+      /* Read the b[numTaps-4] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-6] sample */
+      x2 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 += x3 * c0;
+      acc1 += x4 * c0;
+      acc2 += x5 * c0;
+      acc3 += x6 * c0;
+      acc4 += x7 * c0;
+      acc5 += x0 * c0;
+      acc6 += x1 * c0;
+      acc7 += x2 * c0;
+
+      /* Read the b[numTaps-4] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-6] sample */
+      x3 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 += x4 * c0;
+      acc1 += x5 * c0;
+      acc2 += x6 * c0;
+      acc3 += x7 * c0;
+      acc4 += x0 * c0;
+      acc5 += x1 * c0;
+      acc6 += x2 * c0;
+      acc7 += x3 * c0;
+
+      /* Read the b[numTaps-4] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-6] sample */
+      x4 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 += x5 * c0;
+      acc1 += x6 * c0;
+      acc2 += x7 * c0;
+      acc3 += x0 * c0;
+      acc4 += x1 * c0;
+      acc5 += x2 * c0;
+      acc6 += x3 * c0;
+      acc7 += x4 * c0;
+
+      /* Read the b[numTaps-4] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-6] sample */
+      x5 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 += x6 * c0;
+      acc1 += x7 * c0;
+      acc2 += x0 * c0;
+      acc3 += x1 * c0;
+      acc4 += x2 * c0;
+      acc5 += x3 * c0;
+      acc6 += x4 * c0;
+      acc7 += x5 * c0;
+
+      /* Read the b[numTaps-4] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-6] sample */
+      x6 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 += x7 * c0;
+      acc1 += x0 * c0;
+      acc2 += x1 * c0;
+      acc3 += x2 * c0;
+      acc4 += x3 * c0;
+      acc5 += x4 * c0;
+      acc6 += x5 * c0;
+      acc7 += x6 * c0;
+
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x8u;
+
+    while(tapCnt > 0u)
+    {
+      /* Read coefficients */
+      c0 = *(pb++);
+
+      /* Fetch 1 state variable */
+      x7 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 += x0 * c0;
+      acc1 += x1 * c0;
+      acc2 += x2 * c0;
+      acc3 += x3 * c0;
+      acc4 += x4 * c0;
+      acc5 += x5 * c0;
+      acc6 += x6 * c0;
+      acc7 += x7 * c0;
+
+      /* Reuse the present sample states for next sample */
+      x0 = x1;
+      x1 = x2;
+      x2 = x3;
+      x3 = x4;
+      x4 = x5;
+      x5 = x6;
+      x6 = x7;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance the state pointer by 4 to process the next group of 4 samples */
+    pState = pState + 8;
+
+    /* The results in the 4 accumulators, store in the destination buffer. */
+    *pDst++ = acc0;
+    *pDst++ = acc1;
+    *pDst++ = acc2;
+    *pDst++ = acc3;
+    *pDst++ = acc4;
+    *pDst++ = acc5;
+    *pDst++ = acc6;
+    *pDst++ = acc7;
+
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.  
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x8u;
+
+  while(blkCnt > 0u)
+  {
+    /* Copy one sample at a time into state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set the accumulator to zero */
+    acc0 = 0.0f;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize Coefficient pointer */
+    pb = (pCoeffs);
+
+    i = numTaps;
+
+    /* Perform the multiply-accumulates */
+    do
+    {
+      acc0 += *px++ * *pb++;
+      i--;
+
+    } while(i > 0u);
+
+    /* The result is store in the destination buffer. */
+    *pDst++ = acc0;
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1;
+
+    blkCnt--;
+  }
+
+  /* Processing is complete.  
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.  
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  tapCnt = (numTaps - 1u) >> 2u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+  /* Calculate remaining number of copies */
+  tapCnt = (numTaps - 1u) % 0x4u;
+
+  /* Copy the remaining q31_t data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+}
+
+#else
+
+void arm_fir_f32(
+  const arm_fir_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  float32_t *pState = S->pState;                 /* State pointer */
+  float32_t *pCoeffs = S->pCoeffs;               /* Coefficient pointer */
+  float32_t *pStateCurnt;                        /* Points to the current sample of the state */
+  float32_t *px, *pb;                            /* Temporary pointers for state and coefficient buffers */
+  uint32_t numTaps = S->numTaps;                 /* Number of filter coefficients in the filter */
+  uint32_t i, tapCnt, blkCnt;                    /* Loop counters */
+
+  /* Run the below code for Cortex-M0 */
+
+  float32_t acc;
+
+  /* S->pState points to state array which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Initialize blkCnt with blockSize */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* Copy one sample at a time into state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set the accumulator to zero */
+    acc = 0.0f;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize Coefficient pointer */
+    pb = pCoeffs;
+
+    i = numTaps;
+
+    /* Perform the multiply-accumulates */
+    do
+    {
+      /* acc =  b[numTaps-1] * x[n-numTaps-1] + b[numTaps-2] * x[n-numTaps-2] + b[numTaps-3] * x[n-numTaps-3] +...+ b[0] * x[0] */
+      acc += *px++ * *pb++;
+      i--;
+
+    } while(i > 0u);
+
+    /* The result is store in the destination buffer. */
+    *pDst++ = acc;
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1;
+
+    blkCnt--;
+  }
+
+  /* Processing is complete.         
+   ** Now copy the last numTaps - 1 samples to the starting of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  /* Copy numTaps number of values */
+  tapCnt = numTaps - 1u;
+
+  /* Copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+}
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+/**  
+ * @} end of FIR group  
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_fast_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_fast_q15.c
new file mode 100644
index 0000000000..02634327bc
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_fast_q15.c
@@ -0,0 +1,341 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_fast_q15.c    
+*    
+* Description:  Q15 Fast FIR filter processing function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.9  2010/08/16     
+*    Initial version    
+*    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR    
+ * @{    
+ */
+
+/**    
+ * @param[in] *S points to an instance of the Q15 FIR filter structure.    
+ * @param[in] *pSrc points to the block of input data.    
+ * @param[out] *pDst points to the block of output data.    
+ * @param[in] blockSize number of samples to process per call.    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * This fast version uses a 32-bit accumulator with 2.30 format.    
+ * The accumulator maintains full precision of the intermediate multiplication results but provides only a single guard bit.    
+ * Thus, if the accumulator result overflows it wraps around and distorts the result.    
+ * In order to avoid overflows completely the input signal must be scaled down by log2(numTaps) bits.    
+ * The 2.30 accumulator is then truncated to 2.15 format and saturated to yield the 1.15 result.    
+ *    
+ * \par    
+ * Refer to the function arm_fir_q15() for a slower implementation of this function which uses 64-bit accumulation to avoid wrap around distortion.  Both the slow and the fast versions use the same instance structure.    
+ * Use the function arm_fir_init_q15() to initialize the filter structure.    
+ */
+
+void arm_fir_fast_q15(
+  const arm_fir_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pState = S->pState;                     /* State pointer */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q15_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q31_t acc0, acc1, acc2, acc3;                  /* Accumulators */
+  q15_t *pb;                                     /* Temporary pointer for coefficient buffer */
+  q15_t *px;                                     /* Temporary q31 pointer for SIMD state buffer accesses */
+  q31_t x0, x1, x2, c0;                          /* Temporary variables to hold SIMD state and coefficient values */
+  uint32_t numTaps = S->numTaps;                 /* Number of taps in the filter */
+  uint32_t tapCnt, blkCnt;                       /* Loop counters */
+
+
+  /* S->pState points to state array which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Apply loop unrolling and compute 4 output values simultaneously.      
+   * The variables acc0 ... acc3 hold output values that are being computed:      
+   *      
+   *    acc0 =  b[numTaps-1] * x[n-numTaps-1] + b[numTaps-2] * x[n-numTaps-2] + b[numTaps-3] * x[n-numTaps-3] +...+ b[0] * x[0]      
+   *    acc1 =  b[numTaps-1] * x[n-numTaps] +   b[numTaps-2] * x[n-numTaps-1] + b[numTaps-3] * x[n-numTaps-2] +...+ b[0] * x[1]      
+   *    acc2 =  b[numTaps-1] * x[n-numTaps+1] + b[numTaps-2] * x[n-numTaps] +   b[numTaps-3] * x[n-numTaps-1] +...+ b[0] * x[2]      
+   *    acc3 =  b[numTaps-1] * x[n-numTaps+2] + b[numTaps-2] * x[n-numTaps+1] + b[numTaps-3] * x[n-numTaps]   +...+ b[0] * x[3]      
+   */
+
+  blkCnt = blockSize >> 2;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.      
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* Copy four new input samples into the state buffer.      
+     ** Use 32-bit SIMD to move the 16-bit data.  Only requires two copies. */
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+
+
+    /* Set all accumulators to zero */
+    acc0 = 0;
+    acc1 = 0;
+    acc2 = 0;
+    acc3 = 0;
+
+    /* Typecast q15_t pointer to q31_t pointer for state reading in q31_t */
+    px = pState;
+
+    /* Typecast q15_t pointer to q31_t pointer for coefficient reading in q31_t */
+    pb = pCoeffs;
+
+    /* Read the first two samples from the state buffer:  x[n-N], x[n-N-1] */
+    x0 = *__SIMD32(px)++;
+
+    /* Read the third and forth samples from the state buffer: x[n-N-2], x[n-N-3] */
+    x2 = *__SIMD32(px)++;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.      
+     ** Repeat until we've computed numTaps-(numTaps%4) coefficients. */
+    tapCnt = numTaps >> 2;
+
+    while(tapCnt > 0)
+    {
+      /* Read the first two coefficients using SIMD:  b[N] and b[N-1] coefficients */
+      c0 = *__SIMD32(pb)++;
+
+      /* acc0 +=  b[N] * x[n-N] + b[N-1] * x[n-N-1] */
+      acc0 = __SMLAD(x0, c0, acc0);
+
+      /* acc2 +=  b[N] * x[n-N-2] + b[N-1] * x[n-N-3] */
+      acc2 = __SMLAD(x2, c0, acc2);
+
+      /* pack  x[n-N-1] and x[n-N-2] */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x1 = __PKHBT(x2, x0, 0);
+#else
+      x1 = __PKHBT(x0, x2, 0);
+#endif
+
+      /* Read state x[n-N-4], x[n-N-5] */
+      x0 = _SIMD32_OFFSET(px);
+
+      /* acc1 +=  b[N] * x[n-N-1] + b[N-1] * x[n-N-2] */
+      acc1 = __SMLADX(x1, c0, acc1);
+
+      /* pack  x[n-N-3] and x[n-N-4] */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x1 = __PKHBT(x0, x2, 0);
+#else
+      x1 = __PKHBT(x2, x0, 0);
+#endif
+
+      /* acc3 +=  b[N] * x[n-N-3] + b[N-1] * x[n-N-4] */
+      acc3 = __SMLADX(x1, c0, acc3);
+
+      /* Read coefficients b[N-2], b[N-3] */
+      c0 = *__SIMD32(pb)++;
+
+      /* acc0 +=  b[N-2] * x[n-N-2] + b[N-3] * x[n-N-3] */
+      acc0 = __SMLAD(x2, c0, acc0);
+
+      /* Read state x[n-N-6], x[n-N-7] with offset */
+      x2 = _SIMD32_OFFSET(px + 2u);
+
+      /* acc2 +=  b[N-2] * x[n-N-4] + b[N-3] * x[n-N-5] */
+      acc2 = __SMLAD(x0, c0, acc2);
+
+      /* acc1 +=  b[N-2] * x[n-N-3] + b[N-3] * x[n-N-4] */
+      acc1 = __SMLADX(x1, c0, acc1);
+
+      /* pack  x[n-N-5] and x[n-N-6] */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x1 = __PKHBT(x2, x0, 0);
+#else
+      x1 = __PKHBT(x0, x2, 0);
+#endif
+
+      /* acc3 +=  b[N-2] * x[n-N-5] + b[N-3] * x[n-N-6] */
+      acc3 = __SMLADX(x1, c0, acc3);
+
+      /* Update state pointer for next state reading */
+      px += 4u;
+
+      /* Decrement tap count */
+      tapCnt--;
+
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps.       
+     ** This is always be 2 taps since the filter length is even. */
+    if((numTaps & 0x3u) != 0u)
+    {
+
+      /* Read last two coefficients */
+      c0 = *__SIMD32(pb)++;
+
+      /* Perform the multiply-accumulates */
+      acc0 = __SMLAD(x0, c0, acc0);
+      acc2 = __SMLAD(x2, c0, acc2);
+
+      /* pack state variables */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x1 = __PKHBT(x2, x0, 0);
+#else
+      x1 = __PKHBT(x0, x2, 0);
+#endif
+
+      /* Read last state variables */
+      x0 = *__SIMD32(px);
+
+      /* Perform the multiply-accumulates */
+      acc1 = __SMLADX(x1, c0, acc1);
+
+      /* pack state variables */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x1 = __PKHBT(x0, x2, 0);
+#else
+      x1 = __PKHBT(x2, x0, 0);
+#endif
+
+      /* Perform the multiply-accumulates */
+      acc3 = __SMLADX(x1, c0, acc3);
+    }
+
+    /* The results in the 4 accumulators are in 2.30 format.  Convert to 1.15 with saturation.       
+     ** Then store the 4 outputs in the destination buffer. */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    *__SIMD32(pDst)++ =
+      __PKHBT(__SSAT((acc0 >> 15), 16), __SSAT((acc1 >> 15), 16), 16);
+
+    *__SIMD32(pDst)++ =
+      __PKHBT(__SSAT((acc2 >> 15), 16), __SSAT((acc3 >> 15), 16), 16);
+
+#else
+
+    *__SIMD32(pDst)++ =
+      __PKHBT(__SSAT((acc1 >> 15), 16), __SSAT((acc0 >> 15), 16), 16);
+
+    *__SIMD32(pDst)++ =
+      __PKHBT(__SSAT((acc3 >> 15), 16), __SSAT((acc2 >> 15), 16), 16);
+
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN       */
+
+    /* Advance the state pointer by 4 to process the next group of 4 samples */
+    pState = pState + 4u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.      
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+  while(blkCnt > 0u)
+  {
+    /* Copy two samples into state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set the accumulator to zero */
+    acc0 = 0;
+
+    /* Use SIMD to hold states and coefficients */
+    px = pState;
+    pb = pCoeffs;
+
+    tapCnt = numTaps >> 1u;
+
+    do
+    {
+
+      acc0 += (q31_t) * px++ * *pb++;
+	  acc0 += (q31_t) * px++ * *pb++;
+
+      tapCnt--;
+    }
+    while(tapCnt > 0u);
+
+    /* The result is in 2.30 format.  Convert to 1.15 with saturation.      
+     ** Then store the output in the destination buffer. */
+    *pDst++ = (q15_t) (__SSAT((acc0 >> 15), 16));
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.      
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.      
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  /* Calculation of count for copying integer writes */
+  tapCnt = (numTaps - 1u) >> 2;
+
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    tapCnt--;
+
+  }
+
+  /* Calculation of count for remaining q15_t data */
+  tapCnt = (numTaps - 1u) % 0x4u;
+
+  /* copy remaining data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+}
+
+/**    
+ * @} end of FIR group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_fast_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_fast_q31.c
new file mode 100644
index 0000000000..eeccb6c8a0
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_fast_q31.c
@@ -0,0 +1,309 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_fast_q31.c    
+*    
+* Description:	Processing function for the Q31 Fast FIR filter.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.9  2010/08/27     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR    
+ * @{    
+ */
+
+/**    
+ * @param[in] *S points to an instance of the Q31 structure.    
+ * @param[in] *pSrc points to the block of input data.    
+ * @param[out] *pDst points to the block output data.    
+ * @param[in] blockSize number of samples to process per call.    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * This function is optimized for speed at the expense of fixed-point precision and overflow protection.    
+ * The result of each 1.31 x 1.31 multiplication is truncated to 2.30 format.    
+ * These intermediate results are added to a 2.30 accumulator.    
+ * Finally, the accumulator is saturated and converted to a 1.31 result.    
+ * The fast version has the same overflow behavior as the standard version and provides less precision since it discards the low 32 bits of each multiplication result.    
+ * In order to avoid overflows completely the input signal must be scaled down by log2(numTaps) bits.    
+ *    
+ * \par    
+ * Refer to the function arm_fir_q31() for a slower implementation of this function which uses a 64-bit accumulator to provide higher precision.  Both the slow and the fast versions use the same instance structure.    
+ * Use the function arm_fir_init_q31() to initialize the filter structure.    
+ */
+
+void arm_fir_fast_q31(
+  const arm_fir_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  q31_t *pState = S->pState;                     /* State pointer */
+  q31_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q31_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q31_t x0, x1, x2, x3;                          /* Temporary variables to hold state */
+  q31_t c0;                                      /* Temporary variable to hold coefficient value */
+  q31_t *px;                                     /* Temporary pointer for state */
+  q31_t *pb;                                     /* Temporary pointer for coefficient buffer */
+  q31_t acc0, acc1, acc2, acc3;                  /* Accumulators */
+  uint32_t numTaps = S->numTaps;                 /* Number of filter coefficients in the filter */
+  uint32_t i, tapCnt, blkCnt;                    /* Loop counters */
+
+  /* S->pState points to buffer which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Apply loop unrolling and compute 4 output values simultaneously.    
+   * The variables acc0 ... acc3 hold output values that are being computed:    
+   *    
+   *    acc0 =  b[numTaps-1] * x[n-numTaps-1] + b[numTaps-2] * x[n-numTaps-2] + b[numTaps-3] * x[n-numTaps-3] +...+ b[0] * x[0]    
+   *    acc1 =  b[numTaps-1] * x[n-numTaps] +   b[numTaps-2] * x[n-numTaps-1] + b[numTaps-3] * x[n-numTaps-2] +...+ b[0] * x[1]    
+   *    acc2 =  b[numTaps-1] * x[n-numTaps+1] + b[numTaps-2] * x[n-numTaps] +   b[numTaps-3] * x[n-numTaps-1] +...+ b[0] * x[2]    
+   *    acc3 =  b[numTaps-1] * x[n-numTaps+2] + b[numTaps-2] * x[n-numTaps+1] + b[numTaps-3] * x[n-numTaps]   +...+ b[0] * x[3]    
+   */
+  blkCnt = blockSize >> 2;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* Copy four new input samples into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set all accumulators to zero */
+    acc0 = 0;
+    acc1 = 0;
+    acc2 = 0;
+    acc3 = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coefficient pointer */
+    pb = pCoeffs;
+
+    /* Read the first three samples from the state buffer:    
+     *  x[n-numTaps], x[n-numTaps-1], x[n-numTaps-2] */
+    x0 = *(px++);
+    x1 = *(px++);
+    x2 = *(px++);
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+    i = tapCnt;
+
+    while(i > 0u)
+    {
+      /* Read the b[numTaps] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-3] sample */
+      x3 = *(px++);
+
+      /* acc0 +=  b[numTaps] * x[n-numTaps] */
+      acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x0 * c0)) >> 32);
+
+      /* acc1 +=  b[numTaps] * x[n-numTaps-1] */
+      acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x1 * c0)) >> 32);
+
+      /* acc2 +=  b[numTaps] * x[n-numTaps-2] */
+      acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x2 * c0)) >> 32);
+
+      /* acc3 +=  b[numTaps] * x[n-numTaps-3] */
+      acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x3 * c0)) >> 32);
+
+      /* Read the b[numTaps-1] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-4] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x1 * c0)) >> 32);
+      acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x2 * c0)) >> 32);
+      acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x3 * c0)) >> 32);
+      acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x0 * c0)) >> 32);
+
+      /* Read the b[numTaps-2] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-5] sample */
+      x1 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x2 * c0)) >> 32);
+      acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x3 * c0)) >> 32);
+      acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x0 * c0)) >> 32);
+      acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x1 * c0)) >> 32);
+
+      /* Read the b[numTaps-3] coefficients */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-6] sample */
+      x2 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x3 * c0)) >> 32);
+      acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x0 * c0)) >> 32);
+      acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x1 * c0)) >> 32);
+      acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x2 * c0)) >> 32);
+      i--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+
+    i = numTaps - (tapCnt * 4u);
+    while(i > 0u)
+    {
+      /* Read coefficients */
+      c0 = *(pb++);
+
+      /* Fetch 1 state variable */
+      x3 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 = (q31_t) ((((q63_t) acc0 << 32) + ((q63_t) x0 * c0)) >> 32);
+      acc1 = (q31_t) ((((q63_t) acc1 << 32) + ((q63_t) x1 * c0)) >> 32);
+      acc2 = (q31_t) ((((q63_t) acc2 << 32) + ((q63_t) x2 * c0)) >> 32);
+      acc3 = (q31_t) ((((q63_t) acc3 << 32) + ((q63_t) x3 * c0)) >> 32);
+
+      /* Reuse the present sample states for next sample */
+      x0 = x1;
+      x1 = x2;
+      x2 = x3;
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Advance the state pointer by 4 to process the next group of 4 samples */
+    pState = pState + 4;
+
+    /* The results in the 4 accumulators are in 2.30 format.  Convert to 1.31    
+     ** Then store the 4 outputs in the destination buffer. */
+    *pDst++ = (q31_t) (acc0 << 1);
+    *pDst++ = (q31_t) (acc1 << 1);
+    *pDst++ = (q31_t) (acc2 << 1);
+    *pDst++ = (q31_t) (acc3 << 1);
+
+    /* Decrement the samples loop counter */
+    blkCnt--;
+  }
+
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 4u;
+
+  while(blkCnt > 0u)
+  {
+    /* Copy one sample at a time into state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set the accumulator to zero */
+    acc0 = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize Coefficient pointer */
+    pb = (pCoeffs);
+
+    i = numTaps;
+
+    /* Perform the multiply-accumulates */
+    do
+    {
+      acc0 =
+        (q31_t) ((((q63_t) acc0 << 32) +
+                  ((q63_t) (*px++) * (*(pb++)))) >> 32);
+      i--;
+    } while(i > 0u);
+
+    /* The result is in 2.30 format.  Convert to 1.31    
+     ** Then store the output in the destination buffer. */
+    *pDst++ = (q31_t) (acc0 << 1);
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1;
+
+    /* Decrement the samples loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.    
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.    
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  tapCnt = (numTaps - 1u) >> 2u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+  /* Calculate remaining number of copies */
+  tapCnt = (numTaps - 1u) % 0x4u;
+
+  /* Copy the remaining q31_t data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+
+}
+
+/**    
+ * @} end of FIR group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_init_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_init_f32.c
new file mode 100644
index 0000000000..4665ad135d
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_init_f32.c
@@ -0,0 +1,94 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_init_f32.c    
+*    
+* Description:  Floating-point FIR filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR    
+ * @{    
+ */
+
+/**    
+ * @details    
+ *    
+ * @param[in,out] *S points to an instance of the floating-point FIR filter structure.    
+ * @param[in] 	  numTaps  Number of filter coefficients in the filter.    
+ * @param[in]     *pCoeffs points to the filter coefficients buffer.    
+ * @param[in]     *pState points to the state buffer.    
+ * @param[in] 	  blockSize number of samples that are processed per call.    
+ * @return 		  none.    
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * \par    
+ * pState points to the array of state variables.    
+ * pState is of length numTaps+blockSize-1 samples, where blockSize is the number of input samples processed by each call to arm_fir_f32().    
+ */
+
+void arm_fir_init_f32(
+  arm_fir_instance_f32 * S,
+  uint16_t numTaps,
+  float32_t * pCoeffs,
+  float32_t * pState,
+  uint32_t blockSize)
+{
+  /* Assign filter taps */
+  S->numTaps = numTaps;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and the size of state buffer is (blockSize + numTaps - 1) */
+  memset(pState, 0, (numTaps + (blockSize - 1u)) * sizeof(float32_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+}
+
+/**    
+ * @} end of FIR group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_init_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_init_q15.c
new file mode 100644
index 0000000000..cb113916ff
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_init_q15.c
@@ -0,0 +1,152 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_init_q15.c    
+*    
+* Description:  Q15 FIR filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* ------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR    
+ * @{    
+ */
+
+/**    
+ * @param[in,out]  *S points to an instance of the Q15 FIR filter structure.    
+ * @param[in] 	   numTaps  Number of filter coefficients in the filter. Must be even and greater than or equal to 4.    
+ * @param[in]      *pCoeffs points to the filter coefficients buffer.    
+ * @param[in]      *pState points to the state buffer.    
+ * @param[in]      blockSize is number of samples processed per call.    
+ * @return The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if    
+ * numTaps is not greater than or equal to 4 and even.    
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * Note that numTaps must be even and greater than or equal to 4.    
+ * To implement an odd length filter simply increase numTaps by 1 and set the last coefficient to zero.    
+ * For example, to implement a filter with numTaps=3 and coefficients    
+ * 
    
+ *     {0.3, -0.8, 0.3}    
+ * 
    
+ * set numTaps=4 and use the coefficients:    
+ * 
    
+ *     {0.3, -0.8, 0.3, 0}.    
+ * 
    
+ * Similarly, to implement a two point filter    
+ * 
    
+ *     {0.3, -0.3}    
+ * 
    
+ * set numTaps=4 and use the coefficients:    
+ * 
    
+ *     {0.3, -0.3, 0, 0}.    
+ * 
    
+ * \par    
+ * pState points to the array of state variables.    
+ * pState is of length numTaps+blockSize, when running on Cortex-M4 and Cortex-M3  and is of length numTaps+blockSize-1, when running on Cortex-M0 where blockSize is the number of input samples processed by each call to arm_fir_q15().    
+ */
+
+arm_status arm_fir_init_q15(
+  arm_fir_instance_q15 * S,
+  uint16_t numTaps,
+  q15_t * pCoeffs,
+  q15_t * pState,
+  uint32_t blockSize)
+{
+  arm_status status;
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /* The Number of filter coefficients in the filter must be even and at least 4 */
+  if(numTaps & 0x1u)
+  {
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+  else
+  {
+    /* Assign filter taps */
+    S->numTaps = numTaps;
+
+    /* Assign coefficient pointer */
+    S->pCoeffs = pCoeffs;
+
+    /* Clear the state buffer.  The size is always (blockSize + numTaps ) */
+    memset(pState, 0, (numTaps + (blockSize)) * sizeof(q15_t));
+
+    /* Assign state pointer */
+    S->pState = pState;
+
+    status = ARM_MATH_SUCCESS;
+  }
+
+  return (status);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Assign filter taps */
+  S->numTaps = numTaps;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear the state buffer.  The size is always (blockSize + numTaps - 1) */
+  memset(pState, 0, (numTaps + (blockSize - 1u)) * sizeof(q15_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+  status = ARM_MATH_SUCCESS;
+
+  return (status);
+
+#endif /*  #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of FIR group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_init_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_init_q31.c
new file mode 100644
index 0000000000..121db2a886
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_init_q31.c
@@ -0,0 +1,94 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_init_q31.c    
+*    
+* Description:	Q31 FIR filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR    
+ * @{    
+ */
+
+/**    
+ * @details    
+ *    
+ * @param[in,out] *S points to an instance of the Q31 FIR filter structure.    
+ * @param[in] 	  numTaps  Number of filter coefficients in the filter.    
+ * @param[in] 	  *pCoeffs points to the filter coefficients buffer.    
+ * @param[in] 	  *pState points to the state buffer.    
+ * @param[in] 	  blockSize number of samples that are processed per call.    
+ * @return        none.    
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * \par    
+ * pState points to the array of state variables.    
+ * pState is of length numTaps+blockSize-1 samples, where blockSize is the number of input samples processed by each call to arm_fir_q31().    
+ */
+
+void arm_fir_init_q31(
+  arm_fir_instance_q31 * S,
+  uint16_t numTaps,
+  q31_t * pCoeffs,
+  q31_t * pState,
+  uint32_t blockSize)
+{
+  /* Assign filter taps */
+  S->numTaps = numTaps;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and state array size is (blockSize + numTaps - 1) */
+  memset(pState, 0, (blockSize + ((uint32_t) numTaps - 1u)) * sizeof(q31_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+}
+
+/**    
+ * @} end of FIR group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_init_q7.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_init_q7.c
new file mode 100644
index 0000000000..1ea905cb6a
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_init_q7.c
@@ -0,0 +1,92 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_init_q7.c    
+*    
+* Description:  Q7 FIR filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* ------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR    
+ * @{    
+ */
+/**    
+ * @param[in,out] *S points to an instance of the Q7 FIR filter structure.    
+ * @param[in] 	  numTaps  Number of filter coefficients in the filter.    
+ * @param[in] 	  *pCoeffs points to the filter coefficients buffer.    
+ * @param[in]     *pState points to the state buffer.    
+ * @param[in]     blockSize number of samples that are processed per call.    
+ * @return     	  none    
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * \par    
+ * pState points to the array of state variables.    
+ * pState is of length numTaps+blockSize-1 samples, where blockSize is the number of input samples processed by each call to arm_fir_q7().    
+ */
+
+void arm_fir_init_q7(
+  arm_fir_instance_q7 * S,
+  uint16_t numTaps,
+  q7_t * pCoeffs,
+  q7_t * pState,
+  uint32_t blockSize)
+{
+
+  /* Assign filter taps */
+  S->numTaps = numTaps;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear the state buffer.  The size is always (blockSize + numTaps - 1) */
+  memset(pState, 0, (numTaps + (blockSize - 1u)) * sizeof(q7_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+}
+
+/**    
+ * @} end of FIR group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_f32.c
new file mode 100644
index 0000000000..24e072cdec
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_f32.c
@@ -0,0 +1,574 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_interpolate_f32.c    
+*    
+* Description:	FIR interpolation for floating-point sequences.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @defgroup FIR_Interpolate Finite Impulse Response (FIR) Interpolator    
+ *    
+ * These functions combine an upsampler (zero stuffer) and an FIR filter.    
+ * They are used in multirate systems for increasing the sample rate of a signal without introducing high frequency images.    
+ * Conceptually, the functions are equivalent to the block diagram below:    
+ * \image html FIRInterpolator.gif "Components included in the FIR Interpolator functions"    
+ * After upsampling by a factor of L, the signal should be filtered by a lowpass filter with a normalized    
+ * cutoff frequency of 1/L in order to eliminate high frequency copies of the spectrum.    
+ * The user of the function is responsible for providing the filter coefficients.    
+ *    
+ * The FIR interpolator functions provided in the CMSIS DSP Library combine the upsampler and FIR filter in an efficient manner.    
+ * The upsampler inserts L-1 zeros between each sample.    
+ * Instead of multiplying by these zero values, the FIR filter is designed to skip them.    
+ * This leads to an efficient implementation without any wasted effort.    
+ * The functions operate on blocks of input and output data.    
+ * pSrc points to an array of blockSize input values and    
+ * pDst points to an array of blockSize*L output values.    
+ *    
+ * The library provides separate functions for Q15, Q31, and floating-point data types.    
+ *    
+ * \par Algorithm:    
+ * The functions use a polyphase filter structure:    
+ * 
    
+ *    y[n] = b[0] * x[n] + b[L]   * x[n-1] + ... + b[L*(phaseLength-1)] * x[n-phaseLength+1]    
+ *    y[n+1] = b[1] * x[n] + b[L+1] * x[n-1] + ... + b[L*(phaseLength-1)+1] * x[n-phaseLength+1]    
+ *    ...    
+ *    y[n+(L-1)] = b[L-1] * x[n] + b[2*L-1] * x[n-1] + ....+ b[L*(phaseLength-1)+(L-1)] * x[n-phaseLength+1]    
+ * 
    
+ * This approach is more efficient than straightforward upsample-then-filter algorithms.    
+ * With this method the computation is reduced by a factor of 1/L when compared to using a standard FIR filter.    
+ * \par    
+ * pCoeffs points to a coefficient array of size numTaps.    
+ * numTaps must be a multiple of the interpolation factor L and this is checked by the    
+ * initialization functions.    
+ * Internally, the function divides the FIR filter's impulse response into shorter filters of length    
+ * phaseLength=numTaps/L.    
+ * Coefficients are stored in time reversed order.    
+ * \par    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * \par    
+ * pState points to a state array of size blockSize + phaseLength - 1.    
+ * Samples in the state buffer are stored in the order:    
+ * \par    
+ * 
    
+ *    {x[n-phaseLength+1], x[n-phaseLength], x[n-phaseLength-1], x[n-phaseLength-2]....x[0], x[1], ..., x[blockSize-1]}    
+ * 
    
+ * The state variables are updated after each block of data is processed, the coefficients are untouched.    
+ *    
+ * \par Instance Structure    
+ * The coefficients and state variables for a filter are stored together in an instance data structure.    
+ * A separate instance structure must be defined for each filter.    
+ * Coefficient arrays may be shared among several instances while state variable array should be allocated separately.    
+ * There are separate instance structure declarations for each of the 3 supported data types.    
+ *    
+ * \par Initialization Functions    
+ * There is also an associated initialization function for each data type.    
+ * The initialization function performs the following operations:    
+ * - Sets the values of the internal structure fields.    
+ * - Zeros out the values in the state buffer.    
+ * - Checks to make sure that the length of the filter is a multiple of the interpolation factor.    
+ *    
+ * \par    
+ * Use of the initialization function is optional.    
+ * However, if the initialization function is used, then the instance structure cannot be placed into a const data section.    
+ * To place an instance structure into a const data section, the instance structure must be manually initialized.    
+ * The code below statically initializes each of the 3 different data type filter instance structures    
+ * 
    
+ * arm_fir_interpolate_instance_f32 S = {L, phaseLength, pCoeffs, pState};    
+ * arm_fir_interpolate_instance_q31 S = {L, phaseLength, pCoeffs, pState};    
+ * arm_fir_interpolate_instance_q15 S = {L, phaseLength, pCoeffs, pState};    
+ * 
    
+ * where L is the interpolation factor; phaseLength=numTaps/L is the    
+ * length of each of the shorter FIR filters used internally,    
+ * pCoeffs is the address of the coefficient buffer;    
+ * pState is the address of the state buffer.    
+ * Be sure to set the values in the state buffer to zeros when doing static initialization.    
+ *    
+ * \par Fixed-Point Behavior    
+ * Care must be taken when using the fixed-point versions of the FIR interpolate filter functions.    
+ * In particular, the overflow and saturation behavior of the accumulator used in each function must be considered.    
+ * Refer to the function specific documentation below for usage guidelines.    
+ */
+
+/**    
+ * @addtogroup FIR_Interpolate    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the floating-point FIR interpolator.    
+ * @param[in] *S        points to an instance of the floating-point FIR interpolator structure.    
+ * @param[in] *pSrc     points to the block of input data.    
+ * @param[out] *pDst    points to the block of output data.    
+ * @param[in] blockSize number of input samples to process per call.    
+ * @return none.    
+ */
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+void arm_fir_interpolate_f32(
+  const arm_fir_interpolate_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  float32_t *pState = S->pState;                 /* State pointer */
+  float32_t *pCoeffs = S->pCoeffs;               /* Coefficient pointer */
+  float32_t *pStateCurnt;                        /* Points to the current sample of the state */
+  float32_t *ptr1, *ptr2;                        /* Temporary pointers for state and coefficient buffers */
+  float32_t sum0;                                /* Accumulators */
+  float32_t x0, c0;                              /* Temporary variables to hold state and coefficient values */
+  uint32_t i, blkCnt, j;                         /* Loop counters */
+  uint16_t phaseLen = S->phaseLength, tapCnt;    /* Length of each polyphase filter component */
+  float32_t acc0, acc1, acc2, acc3;
+  float32_t x1, x2, x3;
+  uint32_t blkCntN4;
+  float32_t c1, c2, c3;
+
+  /* S->pState buffer contains previous frame (phaseLen - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + (phaseLen - 1u);
+
+  /* Initialise  blkCnt */
+  blkCnt = blockSize / 4;
+  blkCntN4 = blockSize - (4 * blkCnt);
+
+  /* Samples loop unrolled by 4 */
+  while(blkCnt > 0u)
+  {
+    /* Copy new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+
+    /* Address modifier index of coefficient buffer */
+    j = 1u;
+
+    /* Loop over the Interpolation factor. */
+    i = (S->L);
+
+    while(i > 0u)
+    {
+      /* Set accumulator to zero */
+      acc0 = 0.0f;
+      acc1 = 0.0f;
+      acc2 = 0.0f;
+      acc3 = 0.0f;
+
+      /* Initialize state pointer */
+      ptr1 = pState;
+
+      /* Initialize coefficient pointer */
+      ptr2 = pCoeffs + (S->L - j);
+
+      /* Loop over the polyPhase length. Unroll by a factor of 4.        
+       ** Repeat until we've computed numTaps-(4*S->L) coefficients. */
+      tapCnt = phaseLen >> 2u;
+
+      x0 = *(ptr1++);
+      x1 = *(ptr1++);
+      x2 = *(ptr1++);
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read the input sample */
+        x3 = *(ptr1++);
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Perform the multiply-accumulate */
+        acc0 += x0 * c0;
+        acc1 += x1 * c0;
+        acc2 += x2 * c0;
+        acc3 += x3 * c0;
+
+        /* Read the coefficient */
+        c1 = *(ptr2 + S->L);
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        acc0 += x1 * c1;
+        acc1 += x2 * c1;
+        acc2 += x3 * c1;
+        acc3 += x0 * c1;
+
+        /* Read the coefficient */
+        c2 = *(ptr2 + S->L * 2);
+
+        /* Read the input sample */
+        x1 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        acc0 += x2 * c2;
+        acc1 += x3 * c2;
+        acc2 += x0 * c2;
+        acc3 += x1 * c2;
+
+        /* Read the coefficient */
+        c3 = *(ptr2 + S->L * 3);
+
+        /* Read the input sample */
+        x2 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        acc0 += x3 * c3;
+        acc1 += x0 * c3;
+        acc2 += x1 * c3;
+        acc3 += x2 * c3;
+
+
+        /* Upsampling is done by stuffing L-1 zeros between each sample.        
+         * So instead of multiplying zeros with coefficients,        
+         * Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += 4 * S->L;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* If the polyPhase length is not a multiple of 4, compute the remaining filter taps */
+      tapCnt = phaseLen % 0x4u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read the input sample */
+        x3 = *(ptr1++);
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Perform the multiply-accumulate */
+        acc0 += x0 * c0;
+        acc1 += x1 * c0;
+        acc2 += x2 * c0;
+        acc3 += x3 * c0;
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* update states for next sample processing */
+        x0 = x1;
+        x1 = x2;
+        x2 = x3;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* The result is in the accumulator, store in the destination buffer. */
+      *pDst = acc0;
+      *(pDst + S->L) = acc1;
+      *(pDst + 2 * S->L) = acc2;
+      *(pDst + 3 * S->L) = acc3;
+
+      pDst++;
+
+      /* Increment the address modifier index of coefficient buffer */
+      j++;
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Advance the state pointer by 1        
+     * to process the next group of interpolation factor number samples */
+    pState = pState + 4;
+
+    pDst += S->L * 3;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.        
+   ** No loop unrolling is used. */
+
+  while(blkCntN4 > 0u)
+  {
+    /* Copy new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Address modifier index of coefficient buffer */
+    j = 1u;
+
+    /* Loop over the Interpolation factor. */
+    i = S->L;
+    while(i > 0u)
+    {
+      /* Set accumulator to zero */
+      sum0 = 0.0f;
+
+      /* Initialize state pointer */
+      ptr1 = pState;
+
+      /* Initialize coefficient pointer */
+      ptr2 = pCoeffs + (S->L - j);
+
+      /* Loop over the polyPhase length. Unroll by a factor of 4.        
+       ** Repeat until we've computed numTaps-(4*S->L) coefficients. */
+      tapCnt = phaseLen >> 2u;
+      while(tapCnt > 0u)
+      {
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Upsampling is done by stuffing L-1 zeros between each sample.        
+         * So instead of multiplying zeros with coefficients,        
+         * Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        sum0 += x0 * c0;
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        sum0 += x0 * c0;
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        sum0 += x0 * c0;
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        sum0 += x0 * c0;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* If the polyPhase length is not a multiple of 4, compute the remaining filter taps */
+      tapCnt = phaseLen % 0x4u;
+
+      while(tapCnt > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum0 += *(ptr1++) * (*ptr2);
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* The result is in the accumulator, store in the destination buffer. */
+      *pDst++ = sum0;
+
+      /* Increment the address modifier index of coefficient buffer */
+      j++;
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Advance the state pointer by 1        
+     * to process the next group of interpolation factor number samples */
+    pState = pState + 1;
+
+    /* Decrement the loop counter */
+    blkCntN4--;
+  }
+
+  /* Processing is complete.        
+   ** Now copy the last phaseLen - 1 samples to the satrt of the state buffer.        
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  tapCnt = (phaseLen - 1u) >> 2u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+  tapCnt = (phaseLen - 1u) % 0x04u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+}
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+void arm_fir_interpolate_f32(
+  const arm_fir_interpolate_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  float32_t *pState = S->pState;                 /* State pointer */
+  float32_t *pCoeffs = S->pCoeffs;               /* Coefficient pointer */
+  float32_t *pStateCurnt;                        /* Points to the current sample of the state */
+  float32_t *ptr1, *ptr2;                        /* Temporary pointers for state and coefficient buffers */
+
+
+  float32_t sum;                                 /* Accumulator */
+  uint32_t i, blkCnt;                            /* Loop counters */
+  uint16_t phaseLen = S->phaseLength, tapCnt;    /* Length of each polyphase filter component */
+
+
+  /* S->pState buffer contains previous frame (phaseLen - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + (phaseLen - 1u);
+
+  /* Total number of intput samples */
+  blkCnt = blockSize;
+
+  /* Loop over the blockSize. */
+  while(blkCnt > 0u)
+  {
+    /* Copy new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Loop over the Interpolation factor. */
+    i = S->L;
+
+    while(i > 0u)
+    {
+      /* Set accumulator to zero */
+      sum = 0.0f;
+
+      /* Initialize state pointer */
+      ptr1 = pState;
+
+      /* Initialize coefficient pointer */
+      ptr2 = pCoeffs + (i - 1u);
+
+      /* Loop over the polyPhase length */
+      tapCnt = phaseLen;
+
+      while(tapCnt > 0u)
+      {
+        /* Perform the multiply-accumulate */
+        sum += *ptr1++ * *ptr2;
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* The result is in the accumulator, store in the destination buffer. */
+      *pDst++ = sum;
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Advance the state pointer by 1           
+     * to process the next group of interpolation factor number samples */
+    pState = pState + 1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.         
+   ** Now copy the last phaseLen - 1 samples to the start of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  tapCnt = phaseLen - 1u;
+
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+}
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+
+
+ /**    
+  * @} end of FIR_Interpolate group    
+  */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_init_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_init_f32.c
new file mode 100644
index 0000000000..097c883b6c
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_init_f32.c
@@ -0,0 +1,116 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_interpolate_init_f32.c    
+*    
+* Description:  Floating-point FIR interpolator initialization function    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Interpolate    
+ * @{    
+ */
+
+/**    
+ * @brief  Initialization function for the floating-point FIR interpolator.    
+ * @param[in,out] *S        points to an instance of the floating-point FIR interpolator structure.    
+ * @param[in]     L         upsample factor.    
+ * @param[in]     numTaps   number of filter coefficients in the filter.    
+ * @param[in]     *pCoeffs  points to the filter coefficient buffer.    
+ * @param[in]     *pState   points to the state buffer.    
+ * @param[in]     blockSize number of input samples to process per call.    
+ * @return        The function returns ARM_MATH_SUCCESS if initialization was successful or ARM_MATH_LENGTH_ERROR if    
+ * the filter length numTaps is not a multiple of the interpolation factor L.    
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[numTaps-2], ..., b[1], b[0]}    
+ * 
    
+ * The length of the filter numTaps must be a multiple of the interpolation factor L.    
+ * \par    
+ * pState points to the array of state variables.    
+ * pState is of length (numTaps/L)+blockSize-1 words    
+ * where blockSize is the number of input samples processed by each call to arm_fir_interpolate_f32().    
+ */
+
+arm_status arm_fir_interpolate_init_f32(
+  arm_fir_interpolate_instance_f32 * S,
+  uint8_t L,
+  uint16_t numTaps,
+  float32_t * pCoeffs,
+  float32_t * pState,
+  uint32_t blockSize)
+{
+  arm_status status;
+
+  /* The filter length must be a multiple of the interpolation factor */
+  if((numTaps % L) != 0u)
+  {
+    /* Set status as ARM_MATH_LENGTH_ERROR */
+    status = ARM_MATH_LENGTH_ERROR;
+  }
+  else
+  {
+
+    /* Assign coefficient pointer */
+    S->pCoeffs = pCoeffs;
+
+    /* Assign Interpolation factor */
+    S->L = L;
+
+    /* Assign polyPhaseLength */
+    S->phaseLength = numTaps / L;
+
+    /* Clear state buffer and size of state array is always phaseLength + blockSize - 1 */
+    memset(pState, 0,
+           (blockSize +
+            ((uint32_t) S->phaseLength - 1u)) * sizeof(float32_t));
+
+    /* Assign state pointer */
+    S->pState = pState;
+
+    status = ARM_MATH_SUCCESS;
+  }
+
+  return (status);
+
+}
+
+ /**    
+  * @} end of FIR_Interpolate group    
+  */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_init_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_init_q15.c
new file mode 100644
index 0000000000..d147d10b3a
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_init_q15.c
@@ -0,0 +1,115 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_interpolate_init_q15.c    
+*    
+* Description:  Q15 FIR interpolator initialization function    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Interpolate    
+ * @{    
+ */
+
+/**    
+ * @brief  Initialization function for the Q15 FIR interpolator.    
+ * @param[in,out] *S        points to an instance of the Q15 FIR interpolator structure.    
+ * @param[in]     L         upsample factor.    
+ * @param[in]     numTaps   number of filter coefficients in the filter.    
+ * @param[in]     *pCoeffs  points to the filter coefficient buffer.    
+ * @param[in]     *pState   points to the state buffer.    
+ * @param[in]     blockSize number of input samples to process per call.    
+ * @return        The function returns ARM_MATH_SUCCESS if initialization was successful or ARM_MATH_LENGTH_ERROR if    
+ * the filter length numTaps is not a multiple of the interpolation factor L.    
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[numTaps-2], ..., b[1], b[0]}    
+ * 
    
+ * The length of the filter numTaps must be a multiple of the interpolation factor L.    
+ * \par    
+ * pState points to the array of state variables.    
+ * pState is of length (numTaps/L)+blockSize-1 words    
+ * where blockSize is the number of input samples processed by each call to arm_fir_interpolate_q15().    
+ */
+
+arm_status arm_fir_interpolate_init_q15(
+  arm_fir_interpolate_instance_q15 * S,
+  uint8_t L,
+  uint16_t numTaps,
+  q15_t * pCoeffs,
+  q15_t * pState,
+  uint32_t blockSize)
+{
+  arm_status status;
+
+  /* The filter length must be a multiple of the interpolation factor */
+  if((numTaps % L) != 0u)
+  {
+    /* Set status as ARM_MATH_LENGTH_ERROR */
+    status = ARM_MATH_LENGTH_ERROR;
+  }
+  else
+  {
+
+    /* Assign coefficient pointer */
+    S->pCoeffs = pCoeffs;
+
+    /* Assign Interpolation factor */
+    S->L = L;
+
+    /* Assign polyPhaseLength */
+    S->phaseLength = numTaps / L;
+
+    /* Clear state buffer and size of buffer is always phaseLength + blockSize - 1 */
+    memset(pState, 0,
+           (blockSize + ((uint32_t) S->phaseLength - 1u)) * sizeof(q15_t));
+
+    /* Assign state pointer */
+    S->pState = pState;
+
+    status = ARM_MATH_SUCCESS;
+  }
+
+  return (status);
+
+}
+
+ /**    
+  * @} end of FIR_Interpolate group    
+  */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_init_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_init_q31.c
new file mode 100644
index 0000000000..21e25dd542
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_init_q31.c
@@ -0,0 +1,116 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_interpolate_init_q31.c    
+*    
+* Description:  Q31 FIR interpolator initialization function    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Interpolate    
+ * @{    
+ */
+
+
+/**    
+ * @brief  Initialization function for the Q31 FIR interpolator.    
+ * @param[in,out] *S        points to an instance of the Q31 FIR interpolator structure.    
+ * @param[in]     L         upsample factor.    
+ * @param[in]     numTaps   number of filter coefficients in the filter.    
+ * @param[in]     *pCoeffs  points to the filter coefficient buffer.    
+ * @param[in]     *pState   points to the state buffer.    
+ * @param[in]     blockSize number of input samples to process per call.    
+ * @return        The function returns ARM_MATH_SUCCESS if initialization was successful or ARM_MATH_LENGTH_ERROR if    
+ * the filter length numTaps is not a multiple of the interpolation factor L.    
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[numTaps-2], ..., b[1], b[0]}    
+ * 
    
+ * The length of the filter numTaps must be a multiple of the interpolation factor L.    
+ * \par    
+ * pState points to the array of state variables.    
+ * pState is of length (numTaps/L)+blockSize-1 words    
+ * where blockSize is the number of input samples processed by each call to arm_fir_interpolate_q31().    
+ */
+
+arm_status arm_fir_interpolate_init_q31(
+  arm_fir_interpolate_instance_q31 * S,
+  uint8_t L,
+  uint16_t numTaps,
+  q31_t * pCoeffs,
+  q31_t * pState,
+  uint32_t blockSize)
+{
+  arm_status status;
+
+  /* The filter length must be a multiple of the interpolation factor */
+  if((numTaps % L) != 0u)
+  {
+    /* Set status as ARM_MATH_LENGTH_ERROR */
+    status = ARM_MATH_LENGTH_ERROR;
+  }
+  else
+  {
+
+    /* Assign coefficient pointer */
+    S->pCoeffs = pCoeffs;
+
+    /* Assign Interpolation factor */
+    S->L = L;
+
+    /* Assign polyPhaseLength */
+    S->phaseLength = numTaps / L;
+
+    /* Clear state buffer and size of buffer is always phaseLength + blockSize - 1 */
+    memset(pState, 0,
+           (blockSize + ((uint32_t) S->phaseLength - 1u)) * sizeof(q31_t));
+
+    /* Assign state pointer */
+    S->pState = pState;
+
+    status = ARM_MATH_SUCCESS;
+  }
+
+  return (status);
+
+}
+
+ /**    
+  * @} end of FIR_Interpolate group    
+  */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_q15.c
new file mode 100644
index 0000000000..3f11c47ae4
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_q15.c
@@ -0,0 +1,503 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_fir_interpolate_q15.c    
+*    
+* Description:	Q15 FIR interpolation.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Interpolate    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the Q15 FIR interpolator.    
+ * @param[in] *S        points to an instance of the Q15 FIR interpolator structure.    
+ * @param[in] *pSrc     points to the block of input data.    
+ * @param[out] *pDst    points to the block of output data.    
+ * @param[in] blockSize number of input samples to process per call.    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using a 64-bit internal accumulator.    
+ * Both coefficients and state variables are represented in 1.15 format and multiplications yield a 2.30 result.    
+ * The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format.    
+ * There is no risk of internal overflow with this approach and the full precision of intermediate multiplications is preserved.    
+ * After all additions have been performed, the accumulator is truncated to 34.15 format by discarding low 15 bits.    
+ * Lastly, the accumulator is saturated to yield a result in 1.15 format.    
+ */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+void arm_fir_interpolate_q15(
+  const arm_fir_interpolate_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pState = S->pState;                     /* State pointer                                            */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer                                      */
+  q15_t *pStateCurnt;                            /* Points to the current sample of the state                */
+  q15_t *ptr1, *ptr2;                            /* Temporary pointers for state and coefficient buffers     */
+  q63_t sum0;                                    /* Accumulators                                             */
+  q15_t x0, c0;                                  /* Temporary variables to hold state and coefficient values */
+  uint32_t i, blkCnt, j, tapCnt;                 /* Loop counters                                            */
+  uint16_t phaseLen = S->phaseLength;            /* Length of each polyphase filter component */
+  uint32_t blkCntN2;
+  q63_t acc0, acc1;
+  q15_t x1;
+
+  /* S->pState buffer contains previous frame (phaseLen - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + ((q31_t) phaseLen - 1);
+
+  /* Initialise  blkCnt */
+  blkCnt = blockSize / 2;
+  blkCntN2 = blockSize - (2 * blkCnt);
+
+  /* Samples loop unrolled by 2 */
+  while(blkCnt > 0u)
+  {
+    /* Copy new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+
+    /* Address modifier index of coefficient buffer */
+    j = 1u;
+
+    /* Loop over the Interpolation factor. */
+    i = (S->L);
+
+    while(i > 0u)
+    {
+      /* Set accumulator to zero */
+      acc0 = 0;
+      acc1 = 0;
+
+      /* Initialize state pointer */
+      ptr1 = pState;
+
+      /* Initialize coefficient pointer */
+      ptr2 = pCoeffs + (S->L - j);
+
+      /* Loop over the polyPhase length. Unroll by a factor of 4.        
+       ** Repeat until we've computed numTaps-(4*S->L) coefficients. */
+      tapCnt = phaseLen >> 2u;
+
+      x0 = *(ptr1++);
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read the input sample */
+        x1 = *(ptr1++);
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Perform the multiply-accumulate */
+        acc0 += (q63_t) x0 *c0;
+        acc1 += (q63_t) x1 *c0;
+
+
+        /* Read the coefficient */
+        c0 = *(ptr2 + S->L);
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        acc0 += (q63_t) x1 *c0;
+        acc1 += (q63_t) x0 *c0;
+
+
+        /* Read the coefficient */
+        c0 = *(ptr2 + S->L * 2);
+
+        /* Read the input sample */
+        x1 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        acc0 += (q63_t) x0 *c0;
+        acc1 += (q63_t) x1 *c0;
+
+        /* Read the coefficient */
+        c0 = *(ptr2 + S->L * 3);
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        acc0 += (q63_t) x1 *c0;
+        acc1 += (q63_t) x0 *c0;
+
+
+        /* Upsampling is done by stuffing L-1 zeros between each sample.        
+         * So instead of multiplying zeros with coefficients,        
+         * Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += 4 * S->L;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* If the polyPhase length is not a multiple of 4, compute the remaining filter taps */
+      tapCnt = phaseLen % 0x4u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read the input sample */
+        x1 = *(ptr1++);
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Perform the multiply-accumulate */
+        acc0 += (q63_t) x0 *c0;
+        acc1 += (q63_t) x1 *c0;
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* update states for next sample processing */
+        x0 = x1;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* The result is in the accumulator, store in the destination buffer. */
+      *pDst = (q15_t) (__SSAT((acc0 >> 15), 16));
+      *(pDst + S->L) = (q15_t) (__SSAT((acc1 >> 15), 16));
+
+      pDst++;
+
+      /* Increment the address modifier index of coefficient buffer */
+      j++;
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Advance the state pointer by 1        
+     * to process the next group of interpolation factor number samples */
+    pState = pState + 2;
+
+    pDst += S->L;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 2, compute any remaining output samples here.        
+   ** No loop unrolling is used. */
+  blkCnt = blkCntN2;
+
+  /* Loop over the blockSize. */
+  while(blkCnt > 0u)
+  {
+    /* Copy new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Address modifier index of coefficient buffer */
+    j = 1u;
+
+    /* Loop over the Interpolation factor. */
+    i = S->L;
+    while(i > 0u)
+    {
+      /* Set accumulator to zero */
+      sum0 = 0;
+
+      /* Initialize state pointer */
+      ptr1 = pState;
+
+      /* Initialize coefficient pointer */
+      ptr2 = pCoeffs + (S->L - j);
+
+      /* Loop over the polyPhase length. Unroll by a factor of 4.        
+       ** Repeat until we've computed numTaps-(4*S->L) coefficients. */
+      tapCnt = phaseLen >> 2;
+      while(tapCnt > 0u)
+      {
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Upsampling is done by stuffing L-1 zeros between each sample.        
+         * So instead of multiplying zeros with coefficients,        
+         * Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        sum0 += (q63_t) x0 *c0;
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        sum0 += (q63_t) x0 *c0;
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        sum0 += (q63_t) x0 *c0;
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        sum0 += (q63_t) x0 *c0;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* If the polyPhase length is not a multiple of 4, compute the remaining filter taps */
+      tapCnt = phaseLen & 0x3u;
+
+      while(tapCnt > 0u)
+      {
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        sum0 += (q63_t) x0 *c0;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* The result is in the accumulator, store in the destination buffer. */
+      *pDst++ = (q15_t) (__SSAT((sum0 >> 15), 16));
+
+      j++;
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Advance the state pointer by 1        
+     * to process the next group of interpolation factor number samples */
+    pState = pState + 1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+
+  /* Processing is complete.    
+   ** Now copy the last phaseLen - 1 samples to the satrt of the state buffer.    
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  i = ((uint32_t) phaseLen - 1u) >> 2u;
+
+  /* copy data */
+  while(i > 0u)
+  {
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pState)++;
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pState)++;
+
+#else
+
+    *pStateCurnt++ = *pState++;
+	*pStateCurnt++ = *pState++;
+	*pStateCurnt++ = *pState++;
+	*pStateCurnt++ = *pState++;
+	
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+	
+	/* Decrement the loop counter */
+    i--;
+  }
+
+  i = ((uint32_t) phaseLen - 1u) % 0x04u;
+
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+}
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+void arm_fir_interpolate_q15(
+  const arm_fir_interpolate_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pState = S->pState;                     /* State pointer                                            */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer                                      */
+  q15_t *pStateCurnt;                            /* Points to the current sample of the state                */
+  q15_t *ptr1, *ptr2;                            /* Temporary pointers for state and coefficient buffers     */
+  q63_t sum;                                     /* Accumulator */
+  q15_t x0, c0;                                  /* Temporary variables to hold state and coefficient values */
+  uint32_t i, blkCnt, tapCnt;                    /* Loop counters                                            */
+  uint16_t phaseLen = S->phaseLength;            /* Length of each polyphase filter component */
+
+
+  /* S->pState buffer contains previous frame (phaseLen - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + (phaseLen - 1u);
+
+  /* Total number of intput samples */
+  blkCnt = blockSize;
+
+  /* Loop over the blockSize. */
+  while(blkCnt > 0u)
+  {
+    /* Copy new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Loop over the Interpolation factor. */
+    i = S->L;
+
+    while(i > 0u)
+    {
+      /* Set accumulator to zero */
+      sum = 0;
+
+      /* Initialize state pointer */
+      ptr1 = pState;
+
+      /* Initialize coefficient pointer */
+      ptr2 = pCoeffs + (i - 1u);
+
+      /* Loop over the polyPhase length */
+      tapCnt = (uint32_t) phaseLen;
+
+      while(tapCnt > 0u)
+      {
+        /* Read the coefficient */
+        c0 = *ptr2;
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *ptr1++;
+
+        /* Perform the multiply-accumulate */
+        sum += ((q31_t) x0 * c0);
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* Store the result after converting to 1.15 format in the destination buffer */
+      *pDst++ = (q15_t) (__SSAT((sum >> 15), 16));
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Advance the state pointer by 1           
+     * to process the next group of interpolation factor number samples */
+    pState = pState + 1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.         
+   ** Now copy the last phaseLen - 1 samples to the start of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  i = (uint32_t) phaseLen - 1u;
+
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+}
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+
+ /**    
+  * @} end of FIR_Interpolate group    
+  */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_q31.c
new file mode 100644
index 0000000000..05e64e1465
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_interpolate_q31.c
@@ -0,0 +1,499 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_fir_interpolate_q31.c    
+*    
+* Description:	Q31 FIR interpolation.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Interpolate    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the Q31 FIR interpolator.    
+ * @param[in] *S        points to an instance of the Q31 FIR interpolator structure.    
+ * @param[in] *pSrc     points to the block of input data.    
+ * @param[out] *pDst    points to the block of output data.    
+ * @param[in] blockSize number of input samples to process per call.    
+ * @return none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using an internal 64-bit accumulator.    
+ * The accumulator has a 2.62 format and maintains full precision of the intermediate multiplication results but provides only a single guard bit.    
+ * Thus, if the accumulator result overflows it wraps around rather than clip.    
+ * In order to avoid overflows completely the input signal must be scaled down by 1/(numTaps/L).    
+ * since numTaps/L additions occur per output sample.    
+ * After all multiply-accumulates are performed, the 2.62 accumulator is truncated to 1.32 format and then saturated to 1.31 format.    
+ */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+void arm_fir_interpolate_q31(
+  const arm_fir_interpolate_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  q31_t *pState = S->pState;                     /* State pointer */
+  q31_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q31_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q31_t *ptr1, *ptr2;                            /* Temporary pointers for state and coefficient buffers */
+  q63_t sum0;                                    /* Accumulators */
+  q31_t x0, c0;                                  /* Temporary variables to hold state and coefficient values */
+  uint32_t i, blkCnt, j;                         /* Loop counters */
+  uint16_t phaseLen = S->phaseLength, tapCnt;    /* Length of each polyphase filter component */
+
+  uint32_t blkCntN2;
+  q63_t acc0, acc1;
+  q31_t x1;
+
+  /* S->pState buffer contains previous frame (phaseLen - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + ((q31_t) phaseLen - 1);
+
+  /* Initialise  blkCnt */
+  blkCnt = blockSize / 2;
+  blkCntN2 = blockSize - (2 * blkCnt);
+
+  /* Samples loop unrolled by 2 */
+  while(blkCnt > 0u)
+  {
+    /* Copy new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+
+    /* Address modifier index of coefficient buffer */
+    j = 1u;
+
+    /* Loop over the Interpolation factor. */
+    i = (S->L);
+
+    while(i > 0u)
+    {
+      /* Set accumulator to zero */
+      acc0 = 0;
+      acc1 = 0;
+
+      /* Initialize state pointer */
+      ptr1 = pState;
+
+      /* Initialize coefficient pointer */
+      ptr2 = pCoeffs + (S->L - j);
+
+      /* Loop over the polyPhase length. Unroll by a factor of 4.        
+       ** Repeat until we've computed numTaps-(4*S->L) coefficients. */
+      tapCnt = phaseLen >> 2u;
+
+      x0 = *(ptr1++);
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read the input sample */
+        x1 = *(ptr1++);
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Perform the multiply-accumulate */
+        acc0 += (q63_t) x0 *c0;
+        acc1 += (q63_t) x1 *c0;
+
+
+        /* Read the coefficient */
+        c0 = *(ptr2 + S->L);
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        acc0 += (q63_t) x1 *c0;
+        acc1 += (q63_t) x0 *c0;
+
+
+        /* Read the coefficient */
+        c0 = *(ptr2 + S->L * 2);
+
+        /* Read the input sample */
+        x1 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        acc0 += (q63_t) x0 *c0;
+        acc1 += (q63_t) x1 *c0;
+
+        /* Read the coefficient */
+        c0 = *(ptr2 + S->L * 3);
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        acc0 += (q63_t) x1 *c0;
+        acc1 += (q63_t) x0 *c0;
+
+
+        /* Upsampling is done by stuffing L-1 zeros between each sample.        
+         * So instead of multiplying zeros with coefficients,        
+         * Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += 4 * S->L;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* If the polyPhase length is not a multiple of 4, compute the remaining filter taps */
+      tapCnt = phaseLen % 0x4u;
+
+      while(tapCnt > 0u)
+      {
+
+        /* Read the input sample */
+        x1 = *(ptr1++);
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Perform the multiply-accumulate */
+        acc0 += (q63_t) x0 *c0;
+        acc1 += (q63_t) x1 *c0;
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* update states for next sample processing */
+        x0 = x1;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* The result is in the accumulator, store in the destination buffer. */
+      *pDst = (q31_t) (acc0 >> 31);
+      *(pDst + S->L) = (q31_t) (acc1 >> 31);
+
+
+      pDst++;
+
+      /* Increment the address modifier index of coefficient buffer */
+      j++;
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Advance the state pointer by 1        
+     * to process the next group of interpolation factor number samples */
+    pState = pState + 2;
+
+    pDst += S->L;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 2, compute any remaining output samples here.        
+   ** No loop unrolling is used. */
+  blkCnt = blkCntN2;
+
+  /* Loop over the blockSize. */
+  while(blkCnt > 0u)
+  {
+    /* Copy new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Address modifier index of coefficient buffer */
+    j = 1u;
+
+    /* Loop over the Interpolation factor. */
+    i = S->L;
+    while(i > 0u)
+    {
+      /* Set accumulator to zero */
+      sum0 = 0;
+
+      /* Initialize state pointer */
+      ptr1 = pState;
+
+      /* Initialize coefficient pointer */
+      ptr2 = pCoeffs + (S->L - j);
+
+      /* Loop over the polyPhase length. Unroll by a factor of 4.        
+       ** Repeat until we've computed numTaps-(4*S->L) coefficients. */
+      tapCnt = phaseLen >> 2;
+      while(tapCnt > 0u)
+      {
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Upsampling is done by stuffing L-1 zeros between each sample.        
+         * So instead of multiplying zeros with coefficients,        
+         * Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        sum0 += (q63_t) x0 *c0;
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        sum0 += (q63_t) x0 *c0;
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        sum0 += (q63_t) x0 *c0;
+
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        sum0 += (q63_t) x0 *c0;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* If the polyPhase length is not a multiple of 4, compute the remaining filter taps */
+      tapCnt = phaseLen & 0x3u;
+
+      while(tapCnt > 0u)
+      {
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *(ptr1++);
+
+        /* Perform the multiply-accumulate */
+        sum0 += (q63_t) x0 *c0;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* The result is in the accumulator, store in the destination buffer. */
+      *pDst++ = (q31_t) (sum0 >> 31);
+
+      /* Increment the address modifier index of coefficient buffer */
+      j++;
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Advance the state pointer by 1        
+     * to process the next group of interpolation factor number samples */
+    pState = pState + 1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.        
+   ** Now copy the last phaseLen - 1 samples to the satrt of the state buffer.        
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  tapCnt = (phaseLen - 1u) >> 2u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+  tapCnt = (phaseLen - 1u) % 0x04u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+}
+
+
+#else
+
+void arm_fir_interpolate_q31(
+  const arm_fir_interpolate_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  q31_t *pState = S->pState;                     /* State pointer */
+  q31_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q31_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q31_t *ptr1, *ptr2;                            /* Temporary pointers for state and coefficient buffers */
+
+  /* Run the below code for Cortex-M0 */
+
+  q63_t sum;                                     /* Accumulator */
+  q31_t x0, c0;                                  /* Temporary variables to hold state and coefficient values */
+  uint32_t i, blkCnt;                            /* Loop counters */
+  uint16_t phaseLen = S->phaseLength, tapCnt;    /* Length of each polyphase filter component */
+
+
+  /* S->pState buffer contains previous frame (phaseLen - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + ((q31_t) phaseLen - 1);
+
+  /* Total number of intput samples */
+  blkCnt = blockSize;
+
+  /* Loop over the blockSize. */
+  while(blkCnt > 0u)
+  {
+    /* Copy new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Loop over the Interpolation factor. */
+    i = S->L;
+
+    while(i > 0u)
+    {
+      /* Set accumulator to zero */
+      sum = 0;
+
+      /* Initialize state pointer */
+      ptr1 = pState;
+
+      /* Initialize coefficient pointer */
+      ptr2 = pCoeffs + (i - 1u);
+
+      tapCnt = phaseLen;
+
+      while(tapCnt > 0u)
+      {
+        /* Read the coefficient */
+        c0 = *(ptr2);
+
+        /* Increment the coefficient pointer by interpolation factor times. */
+        ptr2 += S->L;
+
+        /* Read the input sample */
+        x0 = *ptr1++;
+
+        /* Perform the multiply-accumulate */
+        sum += (q63_t) x0 *c0;
+
+        /* Decrement the loop counter */
+        tapCnt--;
+      }
+
+      /* The result is in the accumulator, store in the destination buffer. */
+      *pDst++ = (q31_t) (sum >> 31);
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Advance the state pointer by 1           
+     * to process the next group of interpolation factor number samples */
+    pState = pState + 1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.         
+   ** Now copy the last phaseLen - 1 samples to the satrt of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  tapCnt = phaseLen - 1u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+}
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+ /**    
+  * @} end of FIR_Interpolate group    
+  */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_f32.c
new file mode 100644
index 0000000000..3b5fc9408f
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_f32.c
@@ -0,0 +1,499 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_lattice_f32.c    
+*    
+* Description:	Processing function for the floating-point FIR Lattice filter.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @defgroup FIR_Lattice Finite Impulse Response (FIR) Lattice Filters    
+ *    
+ * This set of functions implements Finite Impulse Response (FIR) lattice filters    
+ * for Q15, Q31 and floating-point data types.  Lattice filters are used in a     
+ * variety of adaptive filter applications.  The filter structure is feedforward and    
+ * the net impulse response is finite length.    
+ * The functions operate on blocks    
+ * of input and output data and each call to the function processes    
+ * blockSize samples through the filter.  pSrc and    
+ * pDst point to input and output arrays containing blockSize values.    
+ *    
+ * \par Algorithm:    
+ * \image html FIRLattice.gif "Finite Impulse Response Lattice filter"    
+ * The following difference equation is implemented:    
+ * 
    
+ *    f0[n] = g0[n] = x[n]    
+ *    fm[n] = fm-1[n] + km * gm-1[n-1] for m = 1, 2, ...M    
+ *    gm[n] = km * fm-1[n] + gm-1[n-1] for m = 1, 2, ...M    
+ *    y[n] = fM[n]    
+ * 
    
+ * \par    
+ * pCoeffs points to tha array of reflection coefficients of size numStages.    
+ * Reflection Coefficients are stored in the following order.    
+ * \par    
+ * 
    
+ *    {k1, k2, ..., kM}    
+ * 
    
+ * where M is number of stages    
+ * \par    
+ * pState points to a state array of size numStages.    
+ * The state variables (g values) hold previous inputs and are stored in the following order.    
+ * 
    
+ *    {g0[n], g1[n], g2[n] ...gM-1[n]}    
+ * 
    
+ * The state variables are updated after each block of data is processed; the coefficients are untouched.    
+ * \par Instance Structure    
+ * The coefficients and state variables for a filter are stored together in an instance data structure.    
+ * A separate instance structure must be defined for each filter.    
+ * Coefficient arrays may be shared among several instances while state variable arrays cannot be shared.    
+ * There are separate instance structure declarations for each of the 3 supported data types.    
+ *    
+ * \par Initialization Functions    
+ * There is also an associated initialization function for each data type.    
+ * The initialization function performs the following operations:    
+ * - Sets the values of the internal structure fields.    
+ * - Zeros out the values in the state buffer.    
+ *    
+ * \par    
+ * Use of the initialization function is optional.    
+ * However, if the initialization function is used, then the instance structure cannot be placed into a const data section.    
+ * To place an instance structure into a const data section, the instance structure must be manually initialized.    
+ * Set the values in the state buffer to zeros and then manually initialize the instance structure as follows:    
+ * 
    
+ *arm_fir_lattice_instance_f32 S = {numStages, pState, pCoeffs};    
+ *arm_fir_lattice_instance_q31 S = {numStages, pState, pCoeffs};    
+ *arm_fir_lattice_instance_q15 S = {numStages, pState, pCoeffs};    
+ * 
    
+ * \par    
+ * where numStages is the number of stages in the filter; pState is the address of the state buffer;    
+ * pCoeffs is the address of the coefficient buffer.    
+ * \par Fixed-Point Behavior    
+ * Care must be taken when using the fixed-point versions of the FIR Lattice filter functions.    
+ * In particular, the overflow and saturation behavior of the accumulator used in each function must be considered.    
+ * Refer to the function specific documentation below for usage guidelines.    
+ */
+
+/**    
+ * @addtogroup FIR_Lattice    
+ * @{    
+ */
+
+
+  /**    
+   * @brief Processing function for the floating-point FIR lattice filter.    
+   * @param[in]  *S        points to an instance of the floating-point FIR lattice structure.    
+   * @param[in]  *pSrc     points to the block of input data.    
+   * @param[out] *pDst     points to the block of output data    
+   * @param[in]  blockSize number of samples to process.    
+   * @return none.    
+   */
+
+void arm_fir_lattice_f32(
+  const arm_fir_lattice_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  float32_t *pState;                             /* State pointer */
+  float32_t *pCoeffs = S->pCoeffs;               /* Coefficient pointer */
+  float32_t *px;                                 /* temporary state pointer */
+  float32_t *pk;                                 /* temporary coefficient pointer */
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  float32_t fcurr1, fnext1, gcurr1, gnext1;      /* temporary variables for first sample in loop unrolling */
+  float32_t fcurr2, fnext2, gnext2;              /* temporary variables for second sample in loop unrolling */
+  float32_t fcurr3, fnext3, gnext3;              /* temporary variables for third sample in loop unrolling */
+  float32_t fcurr4, fnext4, gnext4;              /* temporary variables for fourth sample in loop unrolling */
+  uint32_t numStages = S->numStages;             /* Number of stages in the filter */
+  uint32_t blkCnt, stageCnt;                     /* temporary variables for counts */
+
+  gcurr1 = 0.0f;
+  pState = &S->pState[0];
+
+  blkCnt = blockSize >> 2;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+     a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+
+    /* Read two samples from input buffer */
+    /* f0(n) = x(n) */
+    fcurr1 = *pSrc++;
+    fcurr2 = *pSrc++;
+
+    /* Initialize coeff pointer */
+    pk = (pCoeffs);
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Read g0(n-1) from state */
+    gcurr1 = *px;
+
+    /* Process first sample for first tap */
+    /* f1(n) = f0(n) +  K1 * g0(n-1) */
+    fnext1 = fcurr1 + ((*pk) * gcurr1);
+    /* g1(n) = f0(n) * K1  +  g0(n-1) */
+    gnext1 = (fcurr1 * (*pk)) + gcurr1;
+
+    /* Process second sample for first tap */
+    /* for sample 2 processing */
+    fnext2 = fcurr2 + ((*pk) * fcurr1);
+    gnext2 = (fcurr2 * (*pk)) + fcurr1;
+
+    /* Read next two samples from input buffer */
+    /* f0(n+2) = x(n+2) */
+    fcurr3 = *pSrc++;
+    fcurr4 = *pSrc++;
+
+    /* Copy only last input samples into the state buffer    
+       which will be used for next four samples processing */
+    *px++ = fcurr4;
+
+    /* Process third sample for first tap */
+    fnext3 = fcurr3 + ((*pk) * fcurr2);
+    gnext3 = (fcurr3 * (*pk)) + fcurr2;
+
+    /* Process fourth sample for first tap */
+    fnext4 = fcurr4 + ((*pk) * fcurr3);
+    gnext4 = (fcurr4 * (*pk++)) + fcurr3;
+
+    /* Update of f values for next coefficient set processing */
+    fcurr1 = fnext1;
+    fcurr2 = fnext2;
+    fcurr3 = fnext3;
+    fcurr4 = fnext4;
+
+    /* Loop unrolling.  Process 4 taps at a time . */
+    stageCnt = (numStages - 1u) >> 2u;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.    
+     ** Repeat until we've computed numStages-3 coefficients. */
+
+    /* Process 2nd, 3rd, 4th and 5th taps ... here */
+    while(stageCnt > 0u)
+    {
+      /* Read g1(n-1), g3(n-1) .... from state */
+      gcurr1 = *px;
+
+      /* save g1(n) in state buffer */
+      *px++ = gnext4;
+
+      /* Process first sample for 2nd, 6th .. tap */
+      /* Sample processing for K2, K6.... */
+      /* f2(n) = f1(n) +  K2 * g1(n-1) */
+      fnext1 = fcurr1 + ((*pk) * gcurr1);
+      /* Process second sample for 2nd, 6th .. tap */
+      /* for sample 2 processing */
+      fnext2 = fcurr2 + ((*pk) * gnext1);
+      /* Process third sample for 2nd, 6th .. tap */
+      fnext3 = fcurr3 + ((*pk) * gnext2);
+      /* Process fourth sample for 2nd, 6th .. tap */
+      fnext4 = fcurr4 + ((*pk) * gnext3);
+
+      /* g2(n) = f1(n) * K2  +  g1(n-1) */
+      /* Calculation of state values for next stage */
+      gnext4 = (fcurr4 * (*pk)) + gnext3;
+      gnext3 = (fcurr3 * (*pk)) + gnext2;
+      gnext2 = (fcurr2 * (*pk)) + gnext1;
+      gnext1 = (fcurr1 * (*pk++)) + gcurr1;
+
+
+      /* Read g2(n-1), g4(n-1) .... from state */
+      gcurr1 = *px;
+
+      /* save g2(n) in state buffer */
+      *px++ = gnext4;
+
+      /* Sample processing for K3, K7.... */
+      /* Process first sample for 3rd, 7th .. tap */
+      /* f3(n) = f2(n) +  K3 * g2(n-1) */
+      fcurr1 = fnext1 + ((*pk) * gcurr1);
+      /* Process second sample for 3rd, 7th .. tap */
+      fcurr2 = fnext2 + ((*pk) * gnext1);
+      /* Process third sample for 3rd, 7th .. tap */
+      fcurr3 = fnext3 + ((*pk) * gnext2);
+      /* Process fourth sample for 3rd, 7th .. tap */
+      fcurr4 = fnext4 + ((*pk) * gnext3);
+
+      /* Calculation of state values for next stage */
+      /* g3(n) = f2(n) * K3  +  g2(n-1) */
+      gnext4 = (fnext4 * (*pk)) + gnext3;
+      gnext3 = (fnext3 * (*pk)) + gnext2;
+      gnext2 = (fnext2 * (*pk)) + gnext1;
+      gnext1 = (fnext1 * (*pk++)) + gcurr1;
+
+
+      /* Read g1(n-1), g3(n-1) .... from state */
+      gcurr1 = *px;
+
+      /* save g3(n) in state buffer */
+      *px++ = gnext4;
+
+      /* Sample processing for K4, K8.... */
+      /* Process first sample for 4th, 8th .. tap */
+      /* f4(n) = f3(n) +  K4 * g3(n-1) */
+      fnext1 = fcurr1 + ((*pk) * gcurr1);
+      /* Process second sample for 4th, 8th .. tap */
+      /* for sample 2 processing */
+      fnext2 = fcurr2 + ((*pk) * gnext1);
+      /* Process third sample for 4th, 8th .. tap */
+      fnext3 = fcurr3 + ((*pk) * gnext2);
+      /* Process fourth sample for 4th, 8th .. tap */
+      fnext4 = fcurr4 + ((*pk) * gnext3);
+
+      /* g4(n) = f3(n) * K4  +  g3(n-1) */
+      /* Calculation of state values for next stage */
+      gnext4 = (fcurr4 * (*pk)) + gnext3;
+      gnext3 = (fcurr3 * (*pk)) + gnext2;
+      gnext2 = (fcurr2 * (*pk)) + gnext1;
+      gnext1 = (fcurr1 * (*pk++)) + gcurr1;
+
+      /* Read g2(n-1), g4(n-1) .... from state */
+      gcurr1 = *px;
+
+      /* save g4(n) in state buffer */
+      *px++ = gnext4;
+
+      /* Sample processing for K5, K9.... */
+      /* Process first sample for 5th, 9th .. tap */
+      /* f5(n) = f4(n) +  K5 * g4(n-1) */
+      fcurr1 = fnext1 + ((*pk) * gcurr1);
+      /* Process second sample for 5th, 9th .. tap */
+      fcurr2 = fnext2 + ((*pk) * gnext1);
+      /* Process third sample for 5th, 9th .. tap */
+      fcurr3 = fnext3 + ((*pk) * gnext2);
+      /* Process fourth sample for 5th, 9th .. tap */
+      fcurr4 = fnext4 + ((*pk) * gnext3);
+
+      /* Calculation of state values for next stage */
+      /* g5(n) = f4(n) * K5  +  g4(n-1) */
+      gnext4 = (fnext4 * (*pk)) + gnext3;
+      gnext3 = (fnext3 * (*pk)) + gnext2;
+      gnext2 = (fnext2 * (*pk)) + gnext1;
+      gnext1 = (fnext1 * (*pk++)) + gcurr1;
+
+      stageCnt--;
+    }
+
+    /* If the (filter length -1) is not a multiple of 4, compute the remaining filter taps */
+    stageCnt = (numStages - 1u) % 0x4u;
+
+    while(stageCnt > 0u)
+    {
+      gcurr1 = *px;
+
+      /* save g value in state buffer */
+      *px++ = gnext4;
+
+      /* Process four samples for last three taps here */
+      fnext1 = fcurr1 + ((*pk) * gcurr1);
+      fnext2 = fcurr2 + ((*pk) * gnext1);
+      fnext3 = fcurr3 + ((*pk) * gnext2);
+      fnext4 = fcurr4 + ((*pk) * gnext3);
+
+      /* g1(n) = f0(n) * K1  +  g0(n-1) */
+      gnext4 = (fcurr4 * (*pk)) + gnext3;
+      gnext3 = (fcurr3 * (*pk)) + gnext2;
+      gnext2 = (fcurr2 * (*pk)) + gnext1;
+      gnext1 = (fcurr1 * (*pk++)) + gcurr1;
+
+      /* Update of f values for next coefficient set processing */
+      fcurr1 = fnext1;
+      fcurr2 = fnext2;
+      fcurr3 = fnext3;
+      fcurr4 = fnext4;
+
+      stageCnt--;
+
+    }
+
+    /* The results in the 4 accumulators, store in the destination buffer. */
+    /* y(n) = fN(n) */
+    *pDst++ = fcurr1;
+    *pDst++ = fcurr2;
+    *pDst++ = fcurr3;
+    *pDst++ = fcurr4;
+
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* f0(n) = x(n) */
+    fcurr1 = *pSrc++;
+
+    /* Initialize coeff pointer */
+    pk = (pCoeffs);
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* read g2(n) from state buffer */
+    gcurr1 = *px;
+
+    /* for sample 1 processing */
+    /* f1(n) = f0(n) +  K1 * g0(n-1) */
+    fnext1 = fcurr1 + ((*pk) * gcurr1);
+    /* g1(n) = f0(n) * K1  +  g0(n-1) */
+    gnext1 = (fcurr1 * (*pk++)) + gcurr1;
+
+    /* save g1(n) in state buffer */
+    *px++ = fcurr1;
+
+    /* f1(n) is saved in fcurr1    
+       for next stage processing */
+    fcurr1 = fnext1;
+
+    stageCnt = (numStages - 1u);
+
+    /* stage loop */
+    while(stageCnt > 0u)
+    {
+      /* read g2(n) from state buffer */
+      gcurr1 = *px;
+
+      /* save g1(n) in state buffer */
+      *px++ = gnext1;
+
+      /* Sample processing for K2, K3.... */
+      /* f2(n) = f1(n) +  K2 * g1(n-1) */
+      fnext1 = fcurr1 + ((*pk) * gcurr1);
+      /* g2(n) = f1(n) * K2  +  g1(n-1) */
+      gnext1 = (fcurr1 * (*pk++)) + gcurr1;
+
+      /* f1(n) is saved in fcurr1    
+         for next stage processing */
+      fcurr1 = fnext1;
+
+      stageCnt--;
+
+    }
+
+    /* y(n) = fN(n) */
+    *pDst++ = fcurr1;
+
+    blkCnt--;
+
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  float32_t fcurr, fnext, gcurr, gnext;          /* temporary variables */
+  uint32_t numStages = S->numStages;             /* Length of the filter */
+  uint32_t blkCnt, stageCnt;                     /* temporary variables for counts */
+
+  pState = &S->pState[0];
+
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* f0(n) = x(n) */
+    fcurr = *pSrc++;
+
+    /* Initialize coeff pointer */
+    pk = pCoeffs;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* read g0(n-1) from state buffer */
+    gcurr = *px;
+
+    /* for sample 1 processing */
+    /* f1(n) = f0(n) +  K1 * g0(n-1) */
+    fnext = fcurr + ((*pk) * gcurr);
+    /* g1(n) = f0(n) * K1  +  g0(n-1) */
+    gnext = (fcurr * (*pk++)) + gcurr;
+
+    /* save f0(n) in state buffer */
+    *px++ = fcurr;
+
+    /* f1(n) is saved in fcurr            
+       for next stage processing */
+    fcurr = fnext;
+
+    stageCnt = (numStages - 1u);
+
+    /* stage loop */
+    while(stageCnt > 0u)
+    {
+      /* read g2(n) from state buffer */
+      gcurr = *px;
+
+      /* save g1(n) in state buffer */
+      *px++ = gnext;
+
+      /* Sample processing for K2, K3.... */
+      /* f2(n) = f1(n) +  K2 * g1(n-1) */
+      fnext = fcurr + ((*pk) * gcurr);
+      /* g2(n) = f1(n) * K2  +  g1(n-1) */
+      gnext = (fcurr * (*pk++)) + gcurr;
+
+      /* f1(n) is saved in fcurr1            
+         for next stage processing */
+      fcurr = fnext;
+
+      stageCnt--;
+
+    }
+
+    /* y(n) = fN(n) */
+    *pDst++ = fcurr;
+
+    blkCnt--;
+
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of FIR_Lattice group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_init_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_init_f32.c
new file mode 100644
index 0000000000..13f3bab16b
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_init_f32.c
@@ -0,0 +1,78 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_lattice_init_f32.c    
+*    
+* Description:  Floating-point FIR Lattice filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Lattice    
+ * @{    
+ */
+
+/**    
+ * @brief Initialization function for the floating-point FIR lattice filter.    
+ * @param[in] *S points to an instance of the floating-point FIR lattice structure.    
+ * @param[in] numStages  number of filter stages.    
+ * @param[in] *pCoeffs points to the coefficient buffer.  The array is of length numStages.    
+ * @param[in] *pState points to the state buffer.  The array is of length numStages.    
+ * @return none.    
+ */
+
+void arm_fir_lattice_init_f32(
+  arm_fir_lattice_instance_f32 * S,
+  uint16_t numStages,
+  float32_t * pCoeffs,
+  float32_t * pState)
+{
+  /* Assign filter taps */
+  S->numStages = numStages;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and size is always numStages */
+  memset(pState, 0, (numStages) * sizeof(float32_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+}
+
+/**    
+ * @} end of FIR_Lattice group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_init_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_init_q15.c
new file mode 100644
index 0000000000..8bdc71a7c8
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_init_q15.c
@@ -0,0 +1,78 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_lattice_init_q15.c    
+*    
+* Description:  Q15 FIR Lattice filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Lattice    
+ * @{    
+ */
+
+  /**    
+   * @brief Initialization function for the Q15 FIR lattice filter.    
+   * @param[in] *S points to an instance of the Q15 FIR lattice structure.    
+   * @param[in] numStages  number of filter stages.    
+   * @param[in] *pCoeffs points to the coefficient buffer.  The array is of length numStages.     
+   * @param[in] *pState points to the state buffer.  The array is of length numStages.     
+   * @return none.    
+   */
+
+void arm_fir_lattice_init_q15(
+  arm_fir_lattice_instance_q15 * S,
+  uint16_t numStages,
+  q15_t * pCoeffs,
+  q15_t * pState)
+{
+  /* Assign filter taps */
+  S->numStages = numStages;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and size is always numStages */
+  memset(pState, 0, (numStages) * sizeof(q15_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+}
+
+/**    
+ * @} end of FIR_Lattice group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_init_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_init_q31.c
new file mode 100644
index 0000000000..b79d3844f2
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_init_q31.c
@@ -0,0 +1,78 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_lattice_init_q31.c    
+*    
+* Description:  Q31 FIR lattice filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Lattice    
+ * @{    
+ */
+
+  /**    
+   * @brief Initialization function for the Q31 FIR lattice filter.    
+   * @param[in] *S points to an instance of the Q31 FIR lattice structure.    
+   * @param[in] numStages  number of filter stages.    
+   * @param[in] *pCoeffs points to the coefficient buffer.  The array is of length numStages.    
+   * @param[in] *pState points to the state buffer.   The array is of length numStages.    
+   * @return none.    
+   */
+
+void arm_fir_lattice_init_q31(
+  arm_fir_lattice_instance_q31 * S,
+  uint16_t numStages,
+  q31_t * pCoeffs,
+  q31_t * pState)
+{
+  /* Assign filter taps */
+  S->numStages = numStages;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and size is always numStages */
+  memset(pState, 0, (numStages) * sizeof(q31_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+}
+
+/**    
+ * @} end of FIR_Lattice group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_q15.c
new file mode 100644
index 0000000000..655b9b5fb8
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_q15.c
@@ -0,0 +1,531 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_lattice_q15.c    
+*    
+* Description:	Q15 FIR lattice filter processing function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Lattice    
+ * @{    
+ */
+
+
+/**    
+ * @brief Processing function for the Q15 FIR lattice filter.    
+ * @param[in]  *S        points to an instance of the Q15 FIR lattice structure.    
+ * @param[in]  *pSrc     points to the block of input data.    
+ * @param[out] *pDst     points to the block of output data    
+ * @param[in]  blockSize number of samples to process.    
+ * @return none.    
+ */
+
+void arm_fir_lattice_q15(
+  const arm_fir_lattice_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pState;                                 /* State pointer */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q15_t *px;                                     /* temporary state pointer */
+  q15_t *pk;                                     /* temporary coefficient pointer */
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t fcurnt1, fnext1, gcurnt1 = 0, gnext1;    /* temporary variables for first sample in loop unrolling */
+  q31_t fcurnt2, fnext2, gnext2;                 /* temporary variables for second sample in loop unrolling */
+  q31_t fcurnt3, fnext3, gnext3;                 /* temporary variables for third sample in loop unrolling */
+  q31_t fcurnt4, fnext4, gnext4;                 /* temporary variables for fourth sample in loop unrolling */
+  uint32_t numStages = S->numStages;             /* Number of stages in the filter */
+  uint32_t blkCnt, stageCnt;                     /* temporary variables for counts */
+
+  pState = &S->pState[0];
+
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+
+    /* Read two samples from input buffer */
+    /* f0(n) = x(n) */
+    fcurnt1 = *pSrc++;
+    fcurnt2 = *pSrc++;
+
+    /* Initialize coeff pointer */
+    pk = (pCoeffs);
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Read g0(n-1) from state */
+    gcurnt1 = *px;
+
+    /* Process first sample for first tap */
+    /* f1(n) = f0(n) +  K1 * g0(n-1) */
+    fnext1 = (q31_t) ((gcurnt1 * (*pk)) >> 15u) + fcurnt1;
+    fnext1 = __SSAT(fnext1, 16);
+
+    /* g1(n) = f0(n) * K1  +  g0(n-1) */
+    gnext1 = (q31_t) ((fcurnt1 * (*pk)) >> 15u) + gcurnt1;
+    gnext1 = __SSAT(gnext1, 16);
+
+    /* Process second sample for first tap */
+    /* for sample 2 processing */
+    fnext2 = (q31_t) ((fcurnt1 * (*pk)) >> 15u) + fcurnt2;
+    fnext2 = __SSAT(fnext2, 16);
+
+    gnext2 = (q31_t) ((fcurnt2 * (*pk)) >> 15u) + fcurnt1;
+    gnext2 = __SSAT(gnext2, 16);
+
+
+    /* Read next two samples from input buffer */
+    /* f0(n+2) = x(n+2) */
+    fcurnt3 = *pSrc++;
+    fcurnt4 = *pSrc++;
+
+    /* Copy only last input samples into the state buffer    
+       which is used for next four samples processing */
+    *px++ = (q15_t) fcurnt4;
+
+    /* Process third sample for first tap */
+    fnext3 = (q31_t) ((fcurnt2 * (*pk)) >> 15u) + fcurnt3;
+    fnext3 = __SSAT(fnext3, 16);
+    gnext3 = (q31_t) ((fcurnt3 * (*pk)) >> 15u) + fcurnt2;
+    gnext3 = __SSAT(gnext3, 16);
+
+    /* Process fourth sample for first tap */
+    fnext4 = (q31_t) ((fcurnt3 * (*pk)) >> 15u) + fcurnt4;
+    fnext4 = __SSAT(fnext4, 16);
+    gnext4 = (q31_t) ((fcurnt4 * (*pk++)) >> 15u) + fcurnt3;
+    gnext4 = __SSAT(gnext4, 16);
+
+    /* Update of f values for next coefficient set processing */
+    fcurnt1 = fnext1;
+    fcurnt2 = fnext2;
+    fcurnt3 = fnext3;
+    fcurnt4 = fnext4;
+
+
+    /* Loop unrolling.  Process 4 taps at a time . */
+    stageCnt = (numStages - 1u) >> 2;
+
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.    
+     ** Repeat until we've computed numStages-3 coefficients. */
+
+    /* Process 2nd, 3rd, 4th and 5th taps ... here */
+    while(stageCnt > 0u)
+    {
+      /* Read g1(n-1), g3(n-1) .... from state */
+      gcurnt1 = *px;
+
+      /* save g1(n) in state buffer */
+      *px++ = (q15_t) gnext4;
+
+      /* Process first sample for 2nd, 6th .. tap */
+      /* Sample processing for K2, K6.... */
+      /* f1(n) = f0(n) +  K1 * g0(n-1) */
+      fnext1 = (q31_t) ((gcurnt1 * (*pk)) >> 15u) + fcurnt1;
+      fnext1 = __SSAT(fnext1, 16);
+
+
+      /* Process second sample for 2nd, 6th .. tap */
+      /* for sample 2 processing */
+      fnext2 = (q31_t) ((gnext1 * (*pk)) >> 15u) + fcurnt2;
+      fnext2 = __SSAT(fnext2, 16);
+      /* Process third sample for 2nd, 6th .. tap */
+      fnext3 = (q31_t) ((gnext2 * (*pk)) >> 15u) + fcurnt3;
+      fnext3 = __SSAT(fnext3, 16);
+      /* Process fourth sample for 2nd, 6th .. tap */
+      /* fnext4 = fcurnt4 + (*pk) * gnext3; */
+      fnext4 = (q31_t) ((gnext3 * (*pk)) >> 15u) + fcurnt4;
+      fnext4 = __SSAT(fnext4, 16);
+
+      /* g1(n) = f0(n) * K1  +  g0(n-1) */
+      /* Calculation of state values for next stage */
+      gnext4 = (q31_t) ((fcurnt4 * (*pk)) >> 15u) + gnext3;
+      gnext4 = __SSAT(gnext4, 16);
+      gnext3 = (q31_t) ((fcurnt3 * (*pk)) >> 15u) + gnext2;
+      gnext3 = __SSAT(gnext3, 16);
+
+      gnext2 = (q31_t) ((fcurnt2 * (*pk)) >> 15u) + gnext1;
+      gnext2 = __SSAT(gnext2, 16);
+
+      gnext1 = (q31_t) ((fcurnt1 * (*pk++)) >> 15u) + gcurnt1;
+      gnext1 = __SSAT(gnext1, 16);
+
+
+      /* Read g2(n-1), g4(n-1) .... from state */
+      gcurnt1 = *px;
+
+      /* save g1(n) in state buffer */
+      *px++ = (q15_t) gnext4;
+
+      /* Sample processing for K3, K7.... */
+      /* Process first sample for 3rd, 7th .. tap */
+      /* f3(n) = f2(n) +  K3 * g2(n-1) */
+      fcurnt1 = (q31_t) ((gcurnt1 * (*pk)) >> 15u) + fnext1;
+      fcurnt1 = __SSAT(fcurnt1, 16);
+
+      /* Process second sample for 3rd, 7th .. tap */
+      fcurnt2 = (q31_t) ((gnext1 * (*pk)) >> 15u) + fnext2;
+      fcurnt2 = __SSAT(fcurnt2, 16);
+
+      /* Process third sample for 3rd, 7th .. tap */
+      fcurnt3 = (q31_t) ((gnext2 * (*pk)) >> 15u) + fnext3;
+      fcurnt3 = __SSAT(fcurnt3, 16);
+
+      /* Process fourth sample for 3rd, 7th .. tap */
+      fcurnt4 = (q31_t) ((gnext3 * (*pk)) >> 15u) + fnext4;
+      fcurnt4 = __SSAT(fcurnt4, 16);
+
+      /* Calculation of state values for next stage */
+      /* g3(n) = f2(n) * K3  +  g2(n-1) */
+      gnext4 = (q31_t) ((fnext4 * (*pk)) >> 15u) + gnext3;
+      gnext4 = __SSAT(gnext4, 16);
+
+      gnext3 = (q31_t) ((fnext3 * (*pk)) >> 15u) + gnext2;
+      gnext3 = __SSAT(gnext3, 16);
+
+      gnext2 = (q31_t) ((fnext2 * (*pk)) >> 15u) + gnext1;
+      gnext2 = __SSAT(gnext2, 16);
+
+      gnext1 = (q31_t) ((fnext1 * (*pk++)) >> 15u) + gcurnt1;
+      gnext1 = __SSAT(gnext1, 16);
+
+      /* Read g1(n-1), g3(n-1) .... from state */
+      gcurnt1 = *px;
+
+      /* save g1(n) in state buffer */
+      *px++ = (q15_t) gnext4;
+
+      /* Sample processing for K4, K8.... */
+      /* Process first sample for 4th, 8th .. tap */
+      /* f4(n) = f3(n) +  K4 * g3(n-1) */
+      fnext1 = (q31_t) ((gcurnt1 * (*pk)) >> 15u) + fcurnt1;
+      fnext1 = __SSAT(fnext1, 16);
+
+      /* Process second sample for 4th, 8th .. tap */
+      /* for sample 2 processing */
+      fnext2 = (q31_t) ((gnext1 * (*pk)) >> 15u) + fcurnt2;
+      fnext2 = __SSAT(fnext2, 16);
+
+      /* Process third sample for 4th, 8th .. tap */
+      fnext3 = (q31_t) ((gnext2 * (*pk)) >> 15u) + fcurnt3;
+      fnext3 = __SSAT(fnext3, 16);
+
+      /* Process fourth sample for 4th, 8th .. tap */
+      fnext4 = (q31_t) ((gnext3 * (*pk)) >> 15u) + fcurnt4;
+      fnext4 = __SSAT(fnext4, 16);
+
+      /* g4(n) = f3(n) * K4  +  g3(n-1) */
+      /* Calculation of state values for next stage */
+      gnext4 = (q31_t) ((fcurnt4 * (*pk)) >> 15u) + gnext3;
+      gnext4 = __SSAT(gnext4, 16);
+
+      gnext3 = (q31_t) ((fcurnt3 * (*pk)) >> 15u) + gnext2;
+      gnext3 = __SSAT(gnext3, 16);
+
+      gnext2 = (q31_t) ((fcurnt2 * (*pk)) >> 15u) + gnext1;
+      gnext2 = __SSAT(gnext2, 16);
+      gnext1 = (q31_t) ((fcurnt1 * (*pk++)) >> 15u) + gcurnt1;
+      gnext1 = __SSAT(gnext1, 16);
+
+
+      /* Read g2(n-1), g4(n-1) .... from state */
+      gcurnt1 = *px;
+
+      /* save g4(n) in state buffer */
+      *px++ = (q15_t) gnext4;
+
+      /* Sample processing for K5, K9.... */
+      /* Process first sample for 5th, 9th .. tap */
+      /* f5(n) = f4(n) +  K5 * g4(n-1) */
+      fcurnt1 = (q31_t) ((gcurnt1 * (*pk)) >> 15u) + fnext1;
+      fcurnt1 = __SSAT(fcurnt1, 16);
+
+      /* Process second sample for 5th, 9th .. tap */
+      fcurnt2 = (q31_t) ((gnext1 * (*pk)) >> 15u) + fnext2;
+      fcurnt2 = __SSAT(fcurnt2, 16);
+
+      /* Process third sample for 5th, 9th .. tap */
+      fcurnt3 = (q31_t) ((gnext2 * (*pk)) >> 15u) + fnext3;
+      fcurnt3 = __SSAT(fcurnt3, 16);
+
+      /* Process fourth sample for 5th, 9th .. tap */
+      fcurnt4 = (q31_t) ((gnext3 * (*pk)) >> 15u) + fnext4;
+      fcurnt4 = __SSAT(fcurnt4, 16);
+
+      /* Calculation of state values for next stage */
+      /* g5(n) = f4(n) * K5  +  g4(n-1) */
+      gnext4 = (q31_t) ((fnext4 * (*pk)) >> 15u) + gnext3;
+      gnext4 = __SSAT(gnext4, 16);
+      gnext3 = (q31_t) ((fnext3 * (*pk)) >> 15u) + gnext2;
+      gnext3 = __SSAT(gnext3, 16);
+      gnext2 = (q31_t) ((fnext2 * (*pk)) >> 15u) + gnext1;
+      gnext2 = __SSAT(gnext2, 16);
+      gnext1 = (q31_t) ((fnext1 * (*pk++)) >> 15u) + gcurnt1;
+      gnext1 = __SSAT(gnext1, 16);
+
+      stageCnt--;
+    }
+
+    /* If the (filter length -1) is not a multiple of 4, compute the remaining filter taps */
+    stageCnt = (numStages - 1u) % 0x4u;
+
+    while(stageCnt > 0u)
+    {
+      gcurnt1 = *px;
+
+      /* save g value in state buffer */
+      *px++ = (q15_t) gnext4;
+
+      /* Process four samples for last three taps here */
+      fnext1 = (q31_t) ((gcurnt1 * (*pk)) >> 15u) + fcurnt1;
+      fnext1 = __SSAT(fnext1, 16);
+      fnext2 = (q31_t) ((gnext1 * (*pk)) >> 15u) + fcurnt2;
+      fnext2 = __SSAT(fnext2, 16);
+
+      fnext3 = (q31_t) ((gnext2 * (*pk)) >> 15u) + fcurnt3;
+      fnext3 = __SSAT(fnext3, 16);
+
+      fnext4 = (q31_t) ((gnext3 * (*pk)) >> 15u) + fcurnt4;
+      fnext4 = __SSAT(fnext4, 16);
+
+      /* g1(n) = f0(n) * K1  +  g0(n-1) */
+      gnext4 = (q31_t) ((fcurnt4 * (*pk)) >> 15u) + gnext3;
+      gnext4 = __SSAT(gnext4, 16);
+      gnext3 = (q31_t) ((fcurnt3 * (*pk)) >> 15u) + gnext2;
+      gnext3 = __SSAT(gnext3, 16);
+      gnext2 = (q31_t) ((fcurnt2 * (*pk)) >> 15u) + gnext1;
+      gnext2 = __SSAT(gnext2, 16);
+      gnext1 = (q31_t) ((fcurnt1 * (*pk++)) >> 15u) + gcurnt1;
+      gnext1 = __SSAT(gnext1, 16);
+
+      /* Update of f values for next coefficient set processing */
+      fcurnt1 = fnext1;
+      fcurnt2 = fnext2;
+      fcurnt3 = fnext3;
+      fcurnt4 = fnext4;
+
+      stageCnt--;
+
+    }
+
+    /* The results in the 4 accumulators, store in the destination buffer. */
+    /* y(n) = fN(n) */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+    *__SIMD32(pDst)++ = __PKHBT(fcurnt1, fcurnt2, 16);
+    *__SIMD32(pDst)++ = __PKHBT(fcurnt3, fcurnt4, 16);
+
+#else
+
+    *__SIMD32(pDst)++ = __PKHBT(fcurnt2, fcurnt1, 16);
+    *__SIMD32(pDst)++ = __PKHBT(fcurnt4, fcurnt3, 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* f0(n) = x(n) */
+    fcurnt1 = *pSrc++;
+
+    /* Initialize coeff pointer */
+    pk = (pCoeffs);
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* read g2(n) from state buffer */
+    gcurnt1 = *px;
+
+    /* for sample 1 processing */
+    /* f1(n) = f0(n) +  K1 * g0(n-1) */
+    fnext1 = (((q31_t) gcurnt1 * (*pk)) >> 15u) + fcurnt1;
+    fnext1 = __SSAT(fnext1, 16);
+
+
+    /* g1(n) = f0(n) * K1  +  g0(n-1) */
+    gnext1 = (((q31_t) fcurnt1 * (*pk++)) >> 15u) + gcurnt1;
+    gnext1 = __SSAT(gnext1, 16);
+
+    /* save g1(n) in state buffer */
+    *px++ = (q15_t) fcurnt1;
+
+    /* f1(n) is saved in fcurnt1    
+       for next stage processing */
+    fcurnt1 = fnext1;
+
+    stageCnt = (numStages - 1u);
+
+    /* stage loop */
+    while(stageCnt > 0u)
+    {
+      /* read g2(n) from state buffer */
+      gcurnt1 = *px;
+
+      /* save g1(n) in state buffer */
+      *px++ = (q15_t) gnext1;
+
+      /* Sample processing for K2, K3.... */
+      /* f2(n) = f1(n) +  K2 * g1(n-1) */
+      fnext1 = (((q31_t) gcurnt1 * (*pk)) >> 15u) + fcurnt1;
+      fnext1 = __SSAT(fnext1, 16);
+
+      /* g2(n) = f1(n) * K2  +  g1(n-1) */
+      gnext1 = (((q31_t) fcurnt1 * (*pk++)) >> 15u) + gcurnt1;
+      gnext1 = __SSAT(gnext1, 16);
+
+
+      /* f1(n) is saved in fcurnt1    
+         for next stage processing */
+      fcurnt1 = fnext1;
+
+      stageCnt--;
+
+    }
+
+    /* y(n) = fN(n) */
+    *pDst++ = __SSAT(fcurnt1, 16);
+
+
+    blkCnt--;
+
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q31_t fcurnt, fnext, gcurnt, gnext;            /* temporary variables */
+  uint32_t numStages = S->numStages;             /* Length of the filter */
+  uint32_t blkCnt, stageCnt;                     /* temporary variables for counts */
+
+  pState = &S->pState[0];
+
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* f0(n) = x(n) */
+    fcurnt = *pSrc++;
+
+    /* Initialize coeff pointer */
+    pk = (pCoeffs);
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* read g0(n-1) from state buffer */
+    gcurnt = *px;
+
+    /* for sample 1 processing */
+    /* f1(n) = f0(n) +  K1 * g0(n-1) */
+    fnext = ((gcurnt * (*pk)) >> 15u) + fcurnt;
+    fnext = __SSAT(fnext, 16);
+
+
+    /* g1(n) = f0(n) * K1  +  g0(n-1) */
+    gnext = ((fcurnt * (*pk++)) >> 15u) + gcurnt;
+    gnext = __SSAT(gnext, 16);
+
+    /* save f0(n) in state buffer */
+    *px++ = (q15_t) fcurnt;
+
+    /* f1(n) is saved in fcurnt            
+       for next stage processing */
+    fcurnt = fnext;
+
+    stageCnt = (numStages - 1u);
+
+    /* stage loop */
+    while(stageCnt > 0u)
+    {
+      /* read g1(n-1) from state buffer */
+      gcurnt = *px;
+
+      /* save g0(n-1) in state buffer */
+      *px++ = (q15_t) gnext;
+
+      /* Sample processing for K2, K3.... */
+      /* f2(n) = f1(n) +  K2 * g1(n-1) */
+      fnext = ((gcurnt * (*pk)) >> 15u) + fcurnt;
+      fnext = __SSAT(fnext, 16);
+
+      /* g2(n) = f1(n) * K2  +  g1(n-1) */
+      gnext = ((fcurnt * (*pk++)) >> 15u) + gcurnt;
+      gnext = __SSAT(gnext, 16);
+
+
+      /* f1(n) is saved in fcurnt            
+         for next stage processing */
+      fcurnt = fnext;
+
+      stageCnt--;
+
+    }
+
+    /* y(n) = fN(n) */
+    *pDst++ = __SSAT(fcurnt, 16);
+
+
+    blkCnt--;
+
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of FIR_Lattice group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_q31.c
new file mode 100644
index 0000000000..c923721333
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_lattice_q31.c
@@ -0,0 +1,348 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_lattice_q31.c    
+*    
+* Description:	Q31 FIR lattice filter processing function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Lattice    
+ * @{    
+ */
+
+
+/**    
+ * @brief Processing function for the Q31 FIR lattice filter.    
+ * @param[in]  *S        points to an instance of the Q31 FIR lattice structure.    
+ * @param[in]  *pSrc     points to the block of input data.    
+ * @param[out] *pDst     points to the block of output data    
+ * @param[in]  blockSize number of samples to process.    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ * In order to avoid overflows the input signal must be scaled down by 2*log2(numStages) bits.    
+ */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+void arm_fir_lattice_q31(
+  const arm_fir_lattice_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  q31_t *pState;                                 /* State pointer */
+  q31_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q31_t *px;                                     /* temporary state pointer */
+  q31_t *pk;                                     /* temporary coefficient pointer */
+  q31_t fcurr1, fnext1, gcurr1 = 0, gnext1;      /* temporary variables for first sample in loop unrolling */
+  q31_t fcurr2, fnext2, gnext2;                  /* temporary variables for second sample in loop unrolling */
+  uint32_t numStages = S->numStages;             /* Length of the filter */
+  uint32_t blkCnt, stageCnt;                     /* temporary variables for counts */
+  q31_t k;
+
+  pState = &S->pState[0];
+
+  blkCnt = blockSize >> 1u;
+
+  /* First part of the processing with loop unrolling.  Compute 2 outputs at a time.        
+     a second loop below computes the remaining 1 sample. */
+  while(blkCnt > 0u)
+  {
+    /* f0(n) = x(n) */
+    fcurr1 = *pSrc++;
+
+    /* f0(n) = x(n) */
+    fcurr2 = *pSrc++;
+
+    /* Initialize coeff pointer */
+    pk = (pCoeffs);
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* read g0(n - 1) from state buffer */
+    gcurr1 = *px;
+
+    /* Read the reflection coefficient */
+    k = *pk++;
+
+    /* for sample 1 processing */
+    /* f1(n) = f0(n) +  K1 * g0(n-1) */
+    fnext1 = (q31_t) (((q63_t) gcurr1 * k) >> 32);
+
+    /* g1(n) = f0(n) * K1  +  g0(n-1) */
+    gnext1 = (q31_t) (((q63_t) fcurr1 * (k)) >> 32);
+    fnext1 = fcurr1 + (fnext1 << 1u);
+    gnext1 = gcurr1 + (gnext1 << 1u);
+
+    /* for sample 1 processing */
+    /* f1(n) = f0(n) +  K1 * g0(n-1) */
+    fnext2 = (q31_t) (((q63_t) fcurr1 * k) >> 32);
+
+    /* g1(n) = f0(n) * K1  +  g0(n-1) */
+    gnext2 = (q31_t) (((q63_t) fcurr2 * (k)) >> 32);
+    fnext2 = fcurr2 + (fnext2 << 1u);
+    gnext2 = fcurr1 + (gnext2 << 1u);
+
+    /* save g1(n) in state buffer */
+    *px++ = fcurr2;
+
+    /* f1(n) is saved in fcurr1        
+       for next stage processing */
+    fcurr1 = fnext1;
+    fcurr2 = fnext2;
+
+    stageCnt = (numStages - 1u);
+
+    /* stage loop */
+    while(stageCnt > 0u)
+    {
+
+      /* Read the reflection coefficient */
+      k = *pk++;
+
+      /* read g2(n) from state buffer */
+      gcurr1 = *px;
+
+      /* save g1(n) in state buffer */
+      *px++ = gnext2;
+
+      /* Sample processing for K2, K3.... */
+      /* f2(n) = f1(n) +  K2 * g1(n-1) */
+      fnext1 = (q31_t) (((q63_t) gcurr1 * k) >> 32);
+      fnext2 = (q31_t) (((q63_t) gnext1 * k) >> 32);
+
+      fnext1 = fcurr1 + (fnext1 << 1u);
+      fnext2 = fcurr2 + (fnext2 << 1u);
+
+      /* g2(n) = f1(n) * K2  +  g1(n-1) */
+      gnext2 = (q31_t) (((q63_t) fcurr2 * (k)) >> 32);
+      gnext2 = gnext1 + (gnext2 << 1u);
+
+      /* g2(n) = f1(n) * K2  +  g1(n-1) */
+      gnext1 = (q31_t) (((q63_t) fcurr1 * (k)) >> 32);
+      gnext1 = gcurr1 + (gnext1 << 1u);
+
+      /* f1(n) is saved in fcurr1        
+         for next stage processing */
+      fcurr1 = fnext1;
+      fcurr2 = fnext2;
+
+      stageCnt--;
+
+    }
+
+    /* y(n) = fN(n) */
+    *pDst++ = fcurr1;
+    *pDst++ = fcurr2;
+
+    blkCnt--;
+
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.        
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x2u;
+
+  while(blkCnt > 0u)
+  {
+    /* f0(n) = x(n) */
+    fcurr1 = *pSrc++;
+
+    /* Initialize coeff pointer */
+    pk = (pCoeffs);
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* read g0(n - 1) from state buffer */
+    gcurr1 = *px;
+
+    /* Read the reflection coefficient */
+    k = *pk++;
+
+    /* for sample 1 processing */
+    /* f1(n) = f0(n) +  K1 * g0(n-1) */
+    fnext1 = (q31_t) (((q63_t) gcurr1 * k) >> 32);
+    fnext1 = fcurr1 + (fnext1 << 1u);
+
+    /* g1(n) = f0(n) * K1  +  g0(n-1) */
+    gnext1 = (q31_t) (((q63_t) fcurr1 * (k)) >> 32);
+    gnext1 = gcurr1 + (gnext1 << 1u);
+
+    /* save g1(n) in state buffer */
+    *px++ = fcurr1;
+
+    /* f1(n) is saved in fcurr1        
+       for next stage processing */
+    fcurr1 = fnext1;
+
+    stageCnt = (numStages - 1u);
+
+    /* stage loop */
+    while(stageCnt > 0u)
+    {
+      /* Read the reflection coefficient */
+      k = *pk++;
+
+      /* read g2(n) from state buffer */
+      gcurr1 = *px;
+
+      /* save g1(n) in state buffer */
+      *px++ = gnext1;
+
+      /* Sample processing for K2, K3.... */
+      /* f2(n) = f1(n) +  K2 * g1(n-1) */
+      fnext1 = (q31_t) (((q63_t) gcurr1 * k) >> 32);
+      fnext1 = fcurr1 + (fnext1 << 1u);
+
+      /* g2(n) = f1(n) * K2  +  g1(n-1) */
+      gnext1 = (q31_t) (((q63_t) fcurr1 * (k)) >> 32);
+      gnext1 = gcurr1 + (gnext1 << 1u);
+
+      /* f1(n) is saved in fcurr1        
+         for next stage processing */
+      fcurr1 = fnext1;
+
+      stageCnt--;
+
+    }
+
+
+    /* y(n) = fN(n) */
+    *pDst++ = fcurr1;
+
+    blkCnt--;
+
+  }
+
+
+}
+
+
+#else
+
+/* Run the below code for Cortex-M0 */
+
+void arm_fir_lattice_q31(
+  const arm_fir_lattice_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  q31_t *pState;                                 /* State pointer */
+  q31_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q31_t *px;                                     /* temporary state pointer */
+  q31_t *pk;                                     /* temporary coefficient pointer */
+  q31_t fcurr, fnext, gcurr, gnext;              /* temporary variables */
+  uint32_t numStages = S->numStages;             /* Length of the filter */
+  uint32_t blkCnt, stageCnt;                     /* temporary variables for counts */
+
+  pState = &S->pState[0];
+
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* f0(n) = x(n) */
+    fcurr = *pSrc++;
+
+    /* Initialize coeff pointer */
+    pk = (pCoeffs);
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* read g0(n-1) from state buffer */
+    gcurr = *px;
+
+    /* for sample 1 processing */
+    /* f1(n) = f0(n) +  K1 * g0(n-1) */
+    fnext = (q31_t) (((q63_t) gcurr * (*pk)) >> 31) + fcurr;
+    /* g1(n) = f0(n) * K1  +  g0(n-1) */
+    gnext = (q31_t) (((q63_t) fcurr * (*pk++)) >> 31) + gcurr;
+    /* save g1(n) in state buffer */
+    *px++ = fcurr;
+
+    /* f1(n) is saved in fcurr1            
+       for next stage processing */
+    fcurr = fnext;
+
+    stageCnt = (numStages - 1u);
+
+    /* stage loop */
+    while(stageCnt > 0u)
+    {
+      /* read g2(n) from state buffer */
+      gcurr = *px;
+
+      /* save g1(n) in state buffer */
+      *px++ = gnext;
+
+      /* Sample processing for K2, K3.... */
+      /* f2(n) = f1(n) +  K2 * g1(n-1) */
+      fnext = (q31_t) (((q63_t) gcurr * (*pk)) >> 31) + fcurr;
+      /* g2(n) = f1(n) * K2  +  g1(n-1) */
+      gnext = (q31_t) (((q63_t) fcurr * (*pk++)) >> 31) + gcurr;
+
+      /* f1(n) is saved in fcurr1            
+         for next stage processing */
+      fcurr = fnext;
+
+      stageCnt--;
+
+    }
+
+    /* y(n) = fN(n) */
+    *pDst++ = fcurr;
+
+    blkCnt--;
+
+  }
+
+}
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+
+/**    
+ * @} end of FIR_Lattice group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_q15.c
new file mode 100644
index 0000000000..ac3e2210c3
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_q15.c
@@ -0,0 +1,689 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_q15.c    
+*    
+* Description:  Q15 FIR filter processing function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**       
+ * @ingroup groupFilters       
+ */
+
+/**       
+ * @addtogroup FIR       
+ * @{       
+ */
+
+/**       
+ * @brief Processing function for the Q15 FIR filter.       
+ * @param[in] *S points to an instance of the Q15 FIR structure.       
+ * @param[in] *pSrc points to the block of input data.       
+ * @param[out] *pDst points to the block of output data.       
+ * @param[in]  blockSize number of samples to process per call.       
+ * @return none.       
+ *   
+ *   
+ * \par Restrictions   
+ *  If the silicon does not support unaligned memory access enable the macro UNALIGNED_SUPPORT_DISABLE   
+ *	In this case input, output, state buffers should be aligned by 32-bit   
+ *   
+ * Scaling and Overflow Behavior:       
+ * \par       
+ * The function is implemented using a 64-bit internal accumulator.       
+ * Both coefficients and state variables are represented in 1.15 format and multiplications yield a 2.30 result.       
+ * The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format.       
+ * There is no risk of internal overflow with this approach and the full precision of intermediate multiplications is preserved.       
+ * After all additions have been performed, the accumulator is truncated to 34.15 format by discarding low 15 bits.       
+ * Lastly, the accumulator is saturated to yield a result in 1.15 format.       
+ *       
+ * \par       
+ * Refer to the function arm_fir_fast_q15() for a faster but less precise implementation of this function.       
+ */
+
+#ifndef ARM_MATH_CM0
+
+/* Run the below code for Cortex-M4 and Cortex-M3 */
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+
+void arm_fir_q15(
+  const arm_fir_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pState = S->pState;                     /* State pointer */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q15_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q15_t *px1;                                    /* Temporary q15 pointer for state buffer */
+  q15_t *pb;                                     /* Temporary pointer for coefficient buffer */
+  q31_t x0, x1, x2, x3, c0;                      /* Temporary variables to hold SIMD state and coefficient values */
+  q63_t acc0, acc1, acc2, acc3;                  /* Accumulators */
+  uint32_t numTaps = S->numTaps;                 /* Number of taps in the filter */
+  uint32_t tapCnt, blkCnt;                       /* Loop counters */
+
+
+  /* S->pState points to state array which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Apply loop unrolling and compute 4 output values simultaneously.       
+   * The variables acc0 ... acc3 hold output values that are being computed:       
+   *       
+   *    acc0 =  b[numTaps-1] * x[n-numTaps-1] + b[numTaps-2] * x[n-numTaps-2] + b[numTaps-3] * x[n-numTaps-3] +...+ b[0] * x[0]       
+   *    acc1 =  b[numTaps-1] * x[n-numTaps] +   b[numTaps-2] * x[n-numTaps-1] + b[numTaps-3] * x[n-numTaps-2] +...+ b[0] * x[1]       
+   *    acc2 =  b[numTaps-1] * x[n-numTaps+1] + b[numTaps-2] * x[n-numTaps] +   b[numTaps-3] * x[n-numTaps-1] +...+ b[0] * x[2]       
+   *    acc3 =  b[numTaps-1] * x[n-numTaps+2] + b[numTaps-2] * x[n-numTaps+1] + b[numTaps-3] * x[n-numTaps]   +...+ b[0] * x[3]       
+   */
+
+  blkCnt = blockSize >> 2;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.       
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* Copy four new input samples into the state buffer.       
+     ** Use 32-bit SIMD to move the 16-bit data.  Only requires two copies. */
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pSrc)++;
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pSrc)++;
+
+    /* Set all accumulators to zero */
+    acc0 = 0;
+    acc1 = 0;
+    acc2 = 0;
+    acc3 = 0;
+
+    /* Initialize state pointer of type q15 */
+    px1 = pState;
+
+    /* Initialize coeff pointer of type q31 */
+    pb = pCoeffs;
+
+    /* Read the first two samples from the state buffer:  x[n-N], x[n-N-1] */
+    x0 = _SIMD32_OFFSET(px1);
+
+    /* Read the third and forth samples from the state buffer: x[n-N-1], x[n-N-2] */
+    x1 = _SIMD32_OFFSET(px1 + 1u);
+
+    px1 += 2u;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.       
+     ** Repeat until we've computed numTaps-4 coefficients. */
+    tapCnt = numTaps >> 2;
+
+    while(tapCnt > 0u)
+    {
+      /* Read the first two coefficients using SIMD:  b[N] and b[N-1] coefficients */
+      c0 = *__SIMD32(pb)++;
+
+      /* acc0 +=  b[N] * x[n-N] + b[N-1] * x[n-N-1] */
+      acc0 = __SMLALD(x0, c0, acc0);
+
+      /* acc1 +=  b[N] * x[n-N-1] + b[N-1] * x[n-N-2] */
+      acc1 = __SMLALD(x1, c0, acc1);
+
+      /* Read state x[n-N-2], x[n-N-3] */
+      x2 = _SIMD32_OFFSET(px1);
+
+      /* Read state x[n-N-3], x[n-N-4] */
+      x3 = _SIMD32_OFFSET(px1 + 1u);
+
+      /* acc2 +=  b[N] * x[n-N-2] + b[N-1] * x[n-N-3] */
+      acc2 = __SMLALD(x2, c0, acc2);
+
+      /* acc3 +=  b[N] * x[n-N-3] + b[N-1] * x[n-N-4] */
+      acc3 = __SMLALD(x3, c0, acc3);
+
+      /* Read coefficients b[N-2], b[N-3] */
+      c0 = *__SIMD32(pb)++;
+
+      /* acc0 +=  b[N-2] * x[n-N-2] + b[N-3] * x[n-N-3] */
+      acc0 = __SMLALD(x2, c0, acc0);
+
+      /* acc1 +=  b[N-2] * x[n-N-3] + b[N-3] * x[n-N-4] */
+      acc1 = __SMLALD(x3, c0, acc1);
+
+      /* Read state x[n-N-4], x[n-N-5] */
+      x0 = _SIMD32_OFFSET(px1 + 2u);
+
+      /* Read state x[n-N-5], x[n-N-6] */
+      x1 = _SIMD32_OFFSET(px1 + 3u);
+
+      /* acc2 +=  b[N-2] * x[n-N-4] + b[N-3] * x[n-N-5] */
+      acc2 = __SMLALD(x0, c0, acc2);
+
+      /* acc3 +=  b[N-2] * x[n-N-5] + b[N-3] * x[n-N-6] */
+      acc3 = __SMLALD(x1, c0, acc3);
+
+      px1 += 4u;
+
+      tapCnt--;
+
+    }
+
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps.       
+     ** This is always be 2 taps since the filter length is even. */
+    if((numTaps & 0x3u) != 0u)
+    {
+      /* Read 2 coefficients */
+      c0 = *__SIMD32(pb)++;
+
+      /* Fetch 4 state variables */
+      x2 = _SIMD32_OFFSET(px1);
+
+      x3 = _SIMD32_OFFSET(px1 + 1u);
+
+      /* Perform the multiply-accumulates */
+      acc0 = __SMLALD(x0, c0, acc0);
+
+      px1 += 2u;
+
+      acc1 = __SMLALD(x1, c0, acc1);
+      acc2 = __SMLALD(x2, c0, acc2);
+      acc3 = __SMLALD(x3, c0, acc3);
+    }
+
+    /* The results in the 4 accumulators are in 2.30 format.  Convert to 1.15 with saturation.       
+     ** Then store the 4 outputs in the destination buffer. */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    *__SIMD32(pDst)++ =
+      __PKHBT(__SSAT((acc0 >> 15), 16), __SSAT((acc1 >> 15), 16), 16);
+    *__SIMD32(pDst)++ =
+      __PKHBT(__SSAT((acc2 >> 15), 16), __SSAT((acc3 >> 15), 16), 16);
+
+#else
+
+    *__SIMD32(pDst)++ =
+      __PKHBT(__SSAT((acc1 >> 15), 16), __SSAT((acc0 >> 15), 16), 16);
+    *__SIMD32(pDst)++ =
+      __PKHBT(__SSAT((acc3 >> 15), 16), __SSAT((acc2 >> 15), 16), 16);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN       */
+
+
+
+    /* Advance the state pointer by 4 to process the next group of 4 samples */
+    pState = pState + 4;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.       
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+  while(blkCnt > 0u)
+  {
+    /* Copy two samples into state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set the accumulator to zero */
+    acc0 = 0;
+
+    /* Initialize state pointer of type q15 */
+    px1 = pState;
+
+    /* Initialize coeff pointer of type q31 */
+    pb = pCoeffs;
+
+    tapCnt = numTaps >> 1;
+
+    do
+    {
+
+      c0 = *__SIMD32(pb)++;
+      x0 = *__SIMD32(px1)++;
+
+      acc0 = __SMLALD(x0, c0, acc0);
+      tapCnt--;
+    }
+    while(tapCnt > 0u);
+
+    /* The result is in 2.30 format.  Convert to 1.15 with saturation.       
+     ** Then store the output in the destination buffer. */
+    *pDst++ = (q15_t) (__SSAT((acc0 >> 15), 16));
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.       
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  /* Calculation of count for copying integer writes */
+  tapCnt = (numTaps - 1u) >> 2;
+
+  while(tapCnt > 0u)
+  {
+
+    /* Copy state values to start of state buffer */
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pState)++;
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pState)++;
+
+    tapCnt--;
+
+  }
+
+  /* Calculation of count for remaining q15_t data */
+  tapCnt = (numTaps - 1u) % 0x4u;
+
+  /* copy remaining data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+}
+
+#else /* UNALIGNED_SUPPORT_DISABLE */
+
+void arm_fir_q15(
+  const arm_fir_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pState = S->pState;                     /* State pointer */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q15_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q63_t acc0, acc1, acc2, acc3;                  /* Accumulators */
+  q15_t *pb;                                     /* Temporary pointer for coefficient buffer */
+  q15_t *px;                                     /* Temporary q31 pointer for SIMD state buffer accesses */
+  q31_t x0, x1, x2, c0;                          /* Temporary variables to hold SIMD state and coefficient values */
+  uint32_t numTaps = S->numTaps;                 /* Number of taps in the filter */
+  uint32_t tapCnt, blkCnt;                       /* Loop counters */
+
+
+  /* S->pState points to state array which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Apply loop unrolling and compute 4 output values simultaneously.      
+   * The variables acc0 ... acc3 hold output values that are being computed:      
+   *      
+   *    acc0 =  b[numTaps-1] * x[n-numTaps-1] + b[numTaps-2] * x[n-numTaps-2] + b[numTaps-3] * x[n-numTaps-3] +...+ b[0] * x[0]      
+   *    acc1 =  b[numTaps-1] * x[n-numTaps] +   b[numTaps-2] * x[n-numTaps-1] + b[numTaps-3] * x[n-numTaps-2] +...+ b[0] * x[1]      
+   *    acc2 =  b[numTaps-1] * x[n-numTaps+1] + b[numTaps-2] * x[n-numTaps] +   b[numTaps-3] * x[n-numTaps-1] +...+ b[0] * x[2]      
+   *    acc3 =  b[numTaps-1] * x[n-numTaps+2] + b[numTaps-2] * x[n-numTaps+1] + b[numTaps-3] * x[n-numTaps]   +...+ b[0] * x[3]      
+   */
+
+  blkCnt = blockSize >> 2;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.      
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* Copy four new input samples into the state buffer.      
+     ** Use 32-bit SIMD to move the 16-bit data.  Only requires two copies. */
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+
+
+    /* Set all accumulators to zero */
+    acc0 = 0;
+    acc1 = 0;
+    acc2 = 0;
+    acc3 = 0;
+
+    /* Typecast q15_t pointer to q31_t pointer for state reading in q31_t */
+    px = pState;
+
+    /* Typecast q15_t pointer to q31_t pointer for coefficient reading in q31_t */
+    pb = pCoeffs;
+
+    /* Read the first two samples from the state buffer:  x[n-N], x[n-N-1] */
+    x0 = *__SIMD32(px)++;
+
+    /* Read the third and forth samples from the state buffer: x[n-N-2], x[n-N-3] */
+    x2 = *__SIMD32(px)++;
+
+    /* Loop over the number of taps.  Unroll by a factor of 4.      
+     ** Repeat until we've computed numTaps-(numTaps%4) coefficients. */
+    tapCnt = numTaps >> 2;
+
+    while(tapCnt > 0)
+    {
+      /* Read the first two coefficients using SIMD:  b[N] and b[N-1] coefficients */
+      c0 = *__SIMD32(pb)++;
+
+      /* acc0 +=  b[N] * x[n-N] + b[N-1] * x[n-N-1] */
+      acc0 = __SMLALD(x0, c0, acc0);
+
+      /* acc2 +=  b[N] * x[n-N-2] + b[N-1] * x[n-N-3] */
+      acc2 = __SMLALD(x2, c0, acc2);
+
+      /* pack  x[n-N-1] and x[n-N-2] */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x1 = __PKHBT(x2, x0, 0);
+#else
+      x1 = __PKHBT(x0, x2, 0);
+#endif
+
+      /* Read state x[n-N-4], x[n-N-5] */
+      x0 = _SIMD32_OFFSET(px);
+
+      /* acc1 +=  b[N] * x[n-N-1] + b[N-1] * x[n-N-2] */
+      acc1 = __SMLALDX(x1, c0, acc1);
+
+      /* pack  x[n-N-3] and x[n-N-4] */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x1 = __PKHBT(x0, x2, 0);
+#else
+      x1 = __PKHBT(x2, x0, 0);
+#endif
+
+      /* acc3 +=  b[N] * x[n-N-3] + b[N-1] * x[n-N-4] */
+      acc3 = __SMLALDX(x1, c0, acc3);
+
+      /* Read coefficients b[N-2], b[N-3] */
+      c0 = *__SIMD32(pb)++;
+
+      /* acc0 +=  b[N-2] * x[n-N-2] + b[N-3] * x[n-N-3] */
+      acc0 = __SMLALD(x2, c0, acc0);
+
+      /* Read state x[n-N-6], x[n-N-7] with offset */
+      x2 = _SIMD32_OFFSET(px + 2u);
+
+      /* acc2 +=  b[N-2] * x[n-N-4] + b[N-3] * x[n-N-5] */
+      acc2 = __SMLALD(x0, c0, acc2);
+
+      /* acc1 +=  b[N-2] * x[n-N-3] + b[N-3] * x[n-N-4] */
+      acc1 = __SMLALDX(x1, c0, acc1);
+
+      /* pack  x[n-N-5] and x[n-N-6] */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x1 = __PKHBT(x2, x0, 0);
+#else
+      x1 = __PKHBT(x0, x2, 0);
+#endif
+
+      /* acc3 +=  b[N-2] * x[n-N-5] + b[N-3] * x[n-N-6] */
+      acc3 = __SMLALDX(x1, c0, acc3);
+
+      /* Update state pointer for next state reading */
+      px += 4u;
+
+      /* Decrement tap count */
+      tapCnt--;
+
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps.       
+     ** This is always be 2 taps since the filter length is even. */
+    if((numTaps & 0x3u) != 0u)
+    {
+
+      /* Read last two coefficients */
+      c0 = *__SIMD32(pb)++;
+
+      /* Perform the multiply-accumulates */
+      acc0 = __SMLALD(x0, c0, acc0);
+      acc2 = __SMLALD(x2, c0, acc2);
+
+      /* pack state variables */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x1 = __PKHBT(x2, x0, 0);
+#else
+      x1 = __PKHBT(x0, x2, 0);
+#endif
+
+      /* Read last state variables */
+      x0 = *__SIMD32(px);
+
+      /* Perform the multiply-accumulates */
+      acc1 = __SMLALDX(x1, c0, acc1);
+
+      /* pack state variables */
+#ifndef ARM_MATH_BIG_ENDIAN
+      x1 = __PKHBT(x0, x2, 0);
+#else
+      x1 = __PKHBT(x2, x0, 0);
+#endif
+
+      /* Perform the multiply-accumulates */
+      acc3 = __SMLALDX(x1, c0, acc3);
+    }
+
+    /* The results in the 4 accumulators are in 2.30 format.  Convert to 1.15 with saturation.       
+     ** Then store the 4 outputs in the destination buffer. */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    *__SIMD32(pDst)++ =
+      __PKHBT(__SSAT((acc0 >> 15), 16), __SSAT((acc1 >> 15), 16), 16);
+
+    *__SIMD32(pDst)++ =
+      __PKHBT(__SSAT((acc2 >> 15), 16), __SSAT((acc3 >> 15), 16), 16);
+
+#else
+
+    *__SIMD32(pDst)++ =
+      __PKHBT(__SSAT((acc1 >> 15), 16), __SSAT((acc0 >> 15), 16), 16);
+
+    *__SIMD32(pDst)++ =
+      __PKHBT(__SSAT((acc3 >> 15), 16), __SSAT((acc2 >> 15), 16), 16);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN       */
+
+    /* Advance the state pointer by 4 to process the next group of 4 samples */
+    pState = pState + 4;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.      
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+  while(blkCnt > 0u)
+  {
+    /* Copy two samples into state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set the accumulator to zero */
+    acc0 = 0;
+
+    /* Use SIMD to hold states and coefficients */
+    px = pState;
+    pb = pCoeffs;
+
+    tapCnt = numTaps >> 1u;
+
+    do
+    {
+      acc0 += (q31_t) * px++ * *pb++;
+	  acc0 += (q31_t) * px++ * *pb++;
+      tapCnt--;
+    }
+    while(tapCnt > 0u);
+
+    /* The result is in 2.30 format.  Convert to 1.15 with saturation.      
+     ** Then store the output in the destination buffer. */
+    *pDst++ = (q15_t) (__SSAT((acc0 >> 15), 16));
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.      
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.      
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  /* Calculation of count for copying integer writes */
+  tapCnt = (numTaps - 1u) >> 2;
+
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    tapCnt--;
+
+  }
+
+  /* Calculation of count for remaining q15_t data */
+  tapCnt = (numTaps - 1u) % 0x4u;
+
+  /* copy remaining data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+}
+
+
+#endif /* #ifndef UNALIGNED_SUPPORT_DISABLE */
+
+#else /* ARM_MATH_CM0 */
+
+
+/* Run the below code for Cortex-M0 */
+
+void arm_fir_q15(
+  const arm_fir_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pState = S->pState;                     /* State pointer */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q15_t *pStateCurnt;                            /* Points to the current sample of the state */
+
+
+
+  q15_t *px;                                     /* Temporary pointer for state buffer */
+  q15_t *pb;                                     /* Temporary pointer for coefficient buffer */
+  q63_t acc;                                     /* Accumulator */
+  uint32_t numTaps = S->numTaps;                 /* Number of nTaps in the filter */
+  uint32_t tapCnt, blkCnt;                       /* Loop counters */
+
+  /* S->pState buffer contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Initialize blkCnt with blockSize */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* Copy one sample at a time into state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set the accumulator to zero */
+    acc = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize Coefficient pointer */
+    pb = pCoeffs;
+
+    tapCnt = numTaps;
+
+    /* Perform the multiply-accumulates */
+    do
+    {
+      /* acc =  b[numTaps-1] * x[n-numTaps-1] + b[numTaps-2] * x[n-numTaps-2] + b[numTaps-3] * x[n-numTaps-3] +...+ b[0] * x[0] */
+      acc += (q31_t) * px++ * *pb++;
+      tapCnt--;
+    } while(tapCnt > 0u);
+
+    /* The result is in 2.30 format.  Convert to 1.15         
+     ** Then store the output in the destination buffer. */
+    *pDst++ = (q15_t) __SSAT((acc >> 15u), 16);
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1;
+
+    /* Decrement the samples loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.         
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  /* Copy numTaps number of values */
+  tapCnt = (numTaps - 1u);
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+}
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+
+
+
+/**       
+ * @} end of FIR group       
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_q31.c
new file mode 100644
index 0000000000..8113d7e274
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_q31.c
@@ -0,0 +1,363 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_q31.c    
+*    
+* Description:	Q31 FIR filter processing function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR    
+ * @{    
+ */
+
+/**    
+ * @param[in] *S points to an instance of the Q31 FIR filter structure.    
+ * @param[in] *pSrc points to the block of input data.    
+ * @param[out] *pDst points to the block of output data.    
+ * @param[in] blockSize number of samples to process per call.    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using an internal 64-bit accumulator.    
+ * The accumulator has a 2.62 format and maintains full precision of the intermediate multiplication results but provides only a single guard bit.    
+ * Thus, if the accumulator result overflows it wraps around rather than clip.    
+ * In order to avoid overflows completely the input signal must be scaled down by log2(numTaps) bits.    
+ * After all multiply-accumulates are performed, the 2.62 accumulator is right shifted by 31 bits and saturated to 1.31 format to yield the final result.  
+ *    
+ * \par    
+ * Refer to the function arm_fir_fast_q31() for a faster but less precise implementation of this filter for Cortex-M3 and Cortex-M4.    
+ */
+
+void arm_fir_q31(
+  const arm_fir_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  q31_t *pState = S->pState;                     /* State pointer */
+  q31_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q31_t *pStateCurnt;                            /* Points to the current sample of the state */
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t x0, x1, x2;                              /* Temporary variables to hold state */
+  q31_t c0;                                      /* Temporary variable to hold coefficient value */
+  q31_t *px;                                     /* Temporary pointer for state */
+  q31_t *pb;                                     /* Temporary pointer for coefficient buffer */
+  q63_t acc0, acc1, acc2;                        /* Accumulators */
+  uint32_t numTaps = S->numTaps;                 /* Number of filter coefficients in the filter */
+  uint32_t i, tapCnt, blkCnt, tapCntN3;          /* Loop counters */
+
+  /* S->pState points to state array which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Apply loop unrolling and compute 4 output values simultaneously.    
+   * The variables acc0 ... acc3 hold output values that are being computed:    
+   *    
+   *    acc0 =  b[numTaps-1] * x[n-numTaps-1] + b[numTaps-2] * x[n-numTaps-2] + b[numTaps-3] * x[n-numTaps-3] +...+ b[0] * x[0]    
+   *    acc1 =  b[numTaps-1] * x[n-numTaps] +   b[numTaps-2] * x[n-numTaps-1] + b[numTaps-3] * x[n-numTaps-2] +...+ b[0] * x[1]    
+   *    acc2 =  b[numTaps-1] * x[n-numTaps+1] + b[numTaps-2] * x[n-numTaps] +   b[numTaps-3] * x[n-numTaps-1] +...+ b[0] * x[2]    
+   *    acc3 =  b[numTaps-1] * x[n-numTaps+2] + b[numTaps-2] * x[n-numTaps+1] + b[numTaps-3] * x[n-numTaps]   +...+ b[0] * x[3]    
+   */
+  blkCnt = blockSize / 3;
+  blockSize = blockSize - (3 * blkCnt);
+
+  tapCnt = numTaps / 3;
+  tapCntN3 = numTaps - (3 * tapCnt);
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* Copy three new input samples into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set all accumulators to zero */
+    acc0 = 0;
+    acc1 = 0;
+    acc2 = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coefficient pointer */
+    pb = pCoeffs;
+
+    /* Read the first two samples from the state buffer:    
+     *  x[n-numTaps], x[n-numTaps-1] */
+    x0 = *(px++);
+    x1 = *(px++);
+
+    /* Loop unrolling.  Process 3 taps at a time. */
+    i = tapCnt;
+
+    while(i > 0u)
+    {
+      /* Read the b[numTaps] coefficient */
+      c0 = *pb;
+
+      /* Read x[n-numTaps-2] sample */
+      x2 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 += ((q63_t) x0 * c0);
+      acc1 += ((q63_t) x1 * c0);
+      acc2 += ((q63_t) x2 * c0);
+
+      /* Read the coefficient and state */
+      c0 = *(pb + 1u);
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 += ((q63_t) x1 * c0);
+      acc1 += ((q63_t) x2 * c0);
+      acc2 += ((q63_t) x0 * c0);
+
+      /* Read the coefficient and state */
+      c0 = *(pb + 2u);
+      x1 = *(px++);
+
+      /* update coefficient pointer */
+      pb += 3u;
+
+      /* Perform the multiply-accumulates */
+      acc0 += ((q63_t) x2 * c0);
+      acc1 += ((q63_t) x0 * c0);
+      acc2 += ((q63_t) x1 * c0);
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* If the filter length is not a multiple of 3, compute the remaining filter taps */
+
+    i = tapCntN3;
+
+    while(i > 0u)
+    {
+      /* Read coefficients */
+      c0 = *(pb++);
+
+      /* Fetch 1 state variable */
+      x2 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 += ((q63_t) x0 * c0);
+      acc1 += ((q63_t) x1 * c0);
+      acc2 += ((q63_t) x2 * c0);
+
+      /* Reuse the present sample states for next sample */
+      x0 = x1;
+      x1 = x2;
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Advance the state pointer by 3 to process the next group of 3 samples */
+    pState = pState + 3;
+
+    /* The results in the 3 accumulators are in 2.30 format.  Convert to 1.31    
+     ** Then store the 3 outputs in the destination buffer. */
+    *pDst++ = (q31_t) (acc0 >> 31u);
+    *pDst++ = (q31_t) (acc1 >> 31u);
+    *pDst++ = (q31_t) (acc2 >> 31u);
+
+    /* Decrement the samples loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 3, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+
+  while(blockSize > 0u)
+  {
+    /* Copy one sample at a time into state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set the accumulator to zero */
+    acc0 = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize Coefficient pointer */
+    pb = (pCoeffs);
+
+    i = numTaps;
+
+    /* Perform the multiply-accumulates */
+    do
+    {
+      acc0 += (q63_t) * (px++) * (*(pb++));
+      i--;
+    } while(i > 0u);
+
+    /* The result is in 2.62 format.  Convert to 1.31    
+     ** Then store the output in the destination buffer. */
+    *pDst++ = (q31_t) (acc0 >> 31u);
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1;
+
+    /* Decrement the samples loop counter */
+    blockSize--;
+  }
+
+  /* Processing is complete.    
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.    
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  tapCnt = (numTaps - 1u) >> 2u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+  /* Calculate remaining number of copies */
+  tapCnt = (numTaps - 1u) % 0x4u;
+
+  /* Copy the remaining q31_t data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#else
+
+/* Run the below code for Cortex-M0 */
+
+  q31_t *px;                                     /* Temporary pointer for state */
+  q31_t *pb;                                     /* Temporary pointer for coefficient buffer */
+  q63_t acc;                                     /* Accumulator */
+  uint32_t numTaps = S->numTaps;                 /* Length of the filter */
+  uint32_t i, tapCnt, blkCnt;                    /* Loop counters */
+
+  /* S->pState buffer contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Initialize blkCnt with blockSize */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* Copy one sample at a time into state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set the accumulator to zero */
+    acc = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize Coefficient pointer */
+    pb = pCoeffs;
+
+    i = numTaps;
+
+    /* Perform the multiply-accumulates */
+    do
+    {
+      /* acc =  b[numTaps-1] * x[n-numTaps-1] + b[numTaps-2] * x[n-numTaps-2] + b[numTaps-3] * x[n-numTaps-3] +...+ b[0] * x[0] */
+      acc += (q63_t) * px++ * *pb++;
+      i--;
+    } while(i > 0u);
+
+    /* The result is in 2.62 format.  Convert to 1.31         
+     ** Then store the output in the destination buffer. */
+    *pDst++ = (q31_t) (acc >> 31u);
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1;
+
+    /* Decrement the samples loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.         
+   ** Now copy the last numTaps - 1 samples to the starting of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  /* Copy numTaps number of values */
+  tapCnt = numTaps - 1u;
+
+  /* Copy the data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+
+#endif /*  #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of FIR group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_q7.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_q7.c
new file mode 100644
index 0000000000..97974992a0
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_q7.c
@@ -0,0 +1,388 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_q7.c    
+*    
+* Description:  Q7 FIR filter processing function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR    
+ * @{    
+ */
+
+/**    
+ * @param[in]   *S points to an instance of the Q7 FIR filter structure.    
+ * @param[in]   *pSrc points to the block of input data.    
+ * @param[out]  *pDst points to the block of output data.    
+ * @param[in]   blockSize number of samples to process per call.    
+ * @return 	none.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using a 32-bit internal accumulator.    
+ * Both coefficients and state variables are represented in 1.7 format and multiplications yield a 2.14 result.    
+ * The 2.14 intermediate results are accumulated in a 32-bit accumulator in 18.14 format.    
+ * There is no risk of internal overflow with this approach and the full precision of intermediate multiplications is preserved.    
+ * The accumulator is converted to 18.7 format by discarding the low 7 bits.    
+ * Finally, the result is truncated to 1.7 format.    
+ */
+
+void arm_fir_q7(
+  const arm_fir_instance_q7 * S,
+  q7_t * pSrc,
+  q7_t * pDst,
+  uint32_t blockSize)
+{
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q7_t *pState = S->pState;                      /* State pointer */
+  q7_t *pCoeffs = S->pCoeffs;                    /* Coefficient pointer */
+  q7_t *pStateCurnt;                             /* Points to the current sample of the state */
+  q7_t x0, x1, x2, x3;                           /* Temporary variables to hold state */
+  q7_t c0;                                       /* Temporary variable to hold coefficient value */
+  q7_t *px;                                      /* Temporary pointer for state */
+  q7_t *pb;                                      /* Temporary pointer for coefficient buffer */
+  q31_t acc0, acc1, acc2, acc3;                  /* Accumulators */
+  uint32_t numTaps = S->numTaps;                 /* Number of filter coefficients in the filter */
+  uint32_t i, tapCnt, blkCnt;                    /* Loop counters */
+
+  /* S->pState points to state array which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Apply loop unrolling and compute 4 output values simultaneously.    
+   * The variables acc0 ... acc3 hold output values that are being computed:    
+   *    
+   *    acc0 =  b[numTaps-1] * x[n-numTaps-1] + b[numTaps-2] * x[n-numTaps-2] + b[numTaps-3] * x[n-numTaps-3] +...+ b[0] * x[0]    
+   *    acc1 =  b[numTaps-1] * x[n-numTaps] +   b[numTaps-2] * x[n-numTaps-1] + b[numTaps-3] * x[n-numTaps-2] +...+ b[0] * x[1]    
+   *    acc2 =  b[numTaps-1] * x[n-numTaps+1] + b[numTaps-2] * x[n-numTaps] +   b[numTaps-3] * x[n-numTaps-1] +...+ b[0] * x[2]    
+   *    acc3 =  b[numTaps-1] * x[n-numTaps+2] + b[numTaps-2] * x[n-numTaps+1] + b[numTaps-3] * x[n-numTaps]   +...+ b[0] * x[3]    
+   */
+  blkCnt = blockSize >> 2;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* Copy four new input samples into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set all accumulators to zero */
+    acc0 = 0;
+    acc1 = 0;
+    acc2 = 0;
+    acc3 = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coefficient pointer */
+    pb = pCoeffs;
+
+    /* Read the first three samples from the state buffer:    
+     *  x[n-numTaps], x[n-numTaps-1], x[n-numTaps-2] */
+    x0 = *(px++);
+    x1 = *(px++);
+    x2 = *(px++);
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+    i = tapCnt;
+
+    while(i > 0u)
+    {
+      /* Read the b[numTaps] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-3] sample */
+      x3 = *(px++);
+
+      /* acc0 +=  b[numTaps] * x[n-numTaps] */
+      acc0 += ((q15_t) x0 * c0);
+
+      /* acc1 +=  b[numTaps] * x[n-numTaps-1] */
+      acc1 += ((q15_t) x1 * c0);
+
+      /* acc2 +=  b[numTaps] * x[n-numTaps-2] */
+      acc2 += ((q15_t) x2 * c0);
+
+      /* acc3 +=  b[numTaps] * x[n-numTaps-3] */
+      acc3 += ((q15_t) x3 * c0);
+
+      /* Read the b[numTaps-1] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-4] sample */
+      x0 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 += ((q15_t) x1 * c0);
+      acc1 += ((q15_t) x2 * c0);
+      acc2 += ((q15_t) x3 * c0);
+      acc3 += ((q15_t) x0 * c0);
+
+      /* Read the b[numTaps-2] coefficient */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-5] sample */
+      x1 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 += ((q15_t) x2 * c0);
+      acc1 += ((q15_t) x3 * c0);
+      acc2 += ((q15_t) x0 * c0);
+      acc3 += ((q15_t) x1 * c0);
+      /* Read the b[numTaps-3] coefficients */
+      c0 = *(pb++);
+
+      /* Read x[n-numTaps-6] sample */
+      x2 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 += ((q15_t) x3 * c0);
+      acc1 += ((q15_t) x0 * c0);
+      acc2 += ((q15_t) x1 * c0);
+      acc3 += ((q15_t) x2 * c0);
+      i--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+
+    i = numTaps - (tapCnt * 4u);
+    while(i > 0u)
+    {
+      /* Read coefficients */
+      c0 = *(pb++);
+
+      /* Fetch 1 state variable */
+      x3 = *(px++);
+
+      /* Perform the multiply-accumulates */
+      acc0 += ((q15_t) x0 * c0);
+      acc1 += ((q15_t) x1 * c0);
+      acc2 += ((q15_t) x2 * c0);
+      acc3 += ((q15_t) x3 * c0);
+
+      /* Reuse the present sample states for next sample */
+      x0 = x1;
+      x1 = x2;
+      x2 = x3;
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Advance the state pointer by 4 to process the next group of 4 samples */
+    pState = pState + 4;
+
+    /* The results in the 4 accumulators are in 2.62 format.  Convert to 1.31    
+     ** Then store the 4 outputs in the destination buffer. */
+    acc0 = __SSAT((acc0 >> 7u), 8);
+    *pDst++ = acc0;
+    acc1 = __SSAT((acc1 >> 7u), 8);
+    *pDst++ = acc1;
+    acc2 = __SSAT((acc2 >> 7u), 8);
+    *pDst++ = acc2;
+    acc3 = __SSAT((acc3 >> 7u), 8);
+    *pDst++ = acc3;
+
+    /* Decrement the samples loop counter */
+    blkCnt--;
+  }
+
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 4u;
+
+  while(blkCnt > 0u)
+  {
+    /* Copy one sample at a time into state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set the accumulator to zero */
+    acc0 = 0;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize Coefficient pointer */
+    pb = (pCoeffs);
+
+    i = numTaps;
+
+    /* Perform the multiply-accumulates */
+    do
+    {
+      acc0 += (q15_t) * (px++) * (*(pb++));
+      i--;
+    } while(i > 0u);
+
+    /* The result is in 2.14 format.  Convert to 1.7    
+     ** Then store the output in the destination buffer. */
+    *pDst++ = __SSAT((acc0 >> 7u), 8);
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1;
+
+    /* Decrement the samples loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.    
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.    
+   ** This prepares the state buffer for the next function call. */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+  tapCnt = (numTaps - 1u) >> 2u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+  /* Calculate remaining number of copies */
+  tapCnt = (numTaps - 1u) % 0x4u;
+
+  /* Copy the remaining q31_t data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#else
+
+/* Run the below code for Cortex-M0 */
+
+  uint32_t numTaps = S->numTaps;                 /* Number of taps in the filter */
+  uint32_t i, blkCnt;                            /* Loop counters */
+  q7_t *pState = S->pState;                      /* State pointer */
+  q7_t *pCoeffs = S->pCoeffs;                    /* Coefficient pointer */
+  q7_t *px, *pb;                                 /* Temporary pointers to state and coeff */
+  q31_t acc = 0;                                 /* Accumlator */
+  q7_t *pStateCurnt;                             /* Points to the current sample of the state */
+
+
+  /* S->pState points to state array which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = S->pState + (numTaps - 1u);
+
+  /* Initialize blkCnt with blockSize */
+  blkCnt = blockSize;
+
+  /* Perform filtering upto BlockSize - BlockSize%4  */
+  while(blkCnt > 0u)
+  {
+    /* Copy one sample at a time into state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Set accumulator to zero */
+    acc = 0;
+
+    /* Initialize state pointer of type q7 */
+    px = pState;
+
+    /* Initialize coeff pointer of type q7 */
+    pb = pCoeffs;
+
+
+    i = numTaps;
+
+    while(i > 0u)
+    {
+      /* acc =  b[numTaps-1] * x[n-numTaps-1] + b[numTaps-2] * x[n-numTaps-2] + b[numTaps-3] * x[n-numTaps-3] +...+ b[0] * x[0] */
+      acc += (q15_t) * px++ * *pb++;
+      i--;
+    }
+
+    /* Store the 1.7 format filter output in destination buffer */
+    *pDst++ = (q7_t) __SSAT((acc >> 7), 8);
+
+    /* Advance the state pointer by 1 to process the next sample */
+    pState = pState + 1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete.         
+   ** Now copy the last numTaps - 1 samples to the satrt of the state buffer.       
+   ** This prepares the state buffer for the next function call. */
+
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = S->pState;
+
+
+  /* Copy numTaps number of values */
+  i = (numTaps - 1u);
+
+  /* Copy q7_t data */
+  while(i > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    i--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of FIR group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_f32.c
new file mode 100644
index 0000000000..3b2dff4531
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_f32.c
@@ -0,0 +1,365 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_sparse_f32.c    
+*    
+* Description:	Floating-point sparse FIR filter processing function.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ------------------------------------------------------------------- */
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @defgroup FIR_Sparse Finite Impulse Response (FIR) Sparse Filters    
+ *    
+ * This group of functions implements sparse FIR filters.     
+ * Sparse FIR filters are equivalent to standard FIR filters except that most of the coefficients are equal to zero.   
+ * Sparse filters are used for simulating reflections in communications and audio applications.   
+ *   
+ * There are separate functions for Q7, Q15, Q31, and floating-point data types.    
+ * The functions operate on blocks  of input and output data and each call to the function processes    
+ * blockSize samples through the filter.  pSrc and    
+ * pDst points to input and output arrays respectively containing blockSize values.    
+ *    
+ * \par Algorithm:    
+ * The sparse filter instant structure contains an array of tap indices pTapDelay which specifies the locations of the non-zero coefficients.   
+ * This is in addition to the coefficient array b.   
+ * The implementation essentially skips the multiplications by zero and leads to an efficient realization.   
+ * 
   
+ *     y[n] = b[0] * x[n-pTapDelay[0]] + b[1] * x[n-pTapDelay[1]] + b[2] * x[n-pTapDelay[2]] + ...+ b[numTaps-1] * x[n-pTapDelay[numTaps-1]]    
+ * 
    
+ * \par    
+ * \image html FIRSparse.gif "Sparse FIR filter.  b[n] represents the filter coefficients"   
+ * \par    
+ * pCoeffs points to a coefficient array of size numTaps;    
+ * pTapDelay points to an array of nonzero indices and is also of size numTaps;   
+ * pState points to a state array of size maxDelay + blockSize, where   
+ * maxDelay is the largest offset value that is ever used in the pTapDelay array.   
+ * Some of the processing functions also require temporary working buffers.   
+ *   
+ * \par Instance Structure    
+ * The coefficients and state variables for a filter are stored together in an instance data structure.    
+ * A separate instance structure must be defined for each filter.    
+ * Coefficient and offset arrays may be shared among several instances while state variable arrays cannot be shared.    
+ * There are separate instance structure declarations for each of the 4 supported data types.    
+ *    
+ * \par Initialization Functions    
+ * There is also an associated initialization function for each data type.    
+ * The initialization function performs the following operations:    
+ * - Sets the values of the internal structure fields.    
+ * - Zeros out the values in the state buffer.    
+ *    
+ * \par    
+ * Use of the initialization function is optional.    
+ * However, if the initialization function is used, then the instance structure cannot be placed into a const data section.    
+ * To place an instance structure into a const data section, the instance structure must be manually initialized.    
+ * Set the values in the state buffer to zeros before static initialization.    
+ * The code below statically initializes each of the 4 different data type filter instance structures    
+ * 
    
+ *arm_fir_sparse_instance_f32 S = {numTaps, 0, pState, pCoeffs, maxDelay, pTapDelay};    
+ *arm_fir_sparse_instance_q31 S = {numTaps, 0, pState, pCoeffs, maxDelay, pTapDelay};    
+ *arm_fir_sparse_instance_q15 S = {numTaps, 0, pState, pCoeffs, maxDelay, pTapDelay};    
+ *arm_fir_sparse_instance_q7 S =  {numTaps, 0, pState, pCoeffs, maxDelay, pTapDelay};    
+ * 
    
+ * \par    
+ *    
+ * \par Fixed-Point Behavior    
+ * Care must be taken when using the fixed-point versions of the sparse FIR filter functions.    
+ * In particular, the overflow and saturation behavior of the accumulator used in each function must be considered.    
+ * Refer to the function specific documentation below for usage guidelines.    
+ */
+
+/**    
+ * @addtogroup FIR_Sparse    
+ * @{    
+ */
+
+/**   
+ * @brief Processing function for the floating-point sparse FIR filter.   
+ * @param[in]  *S          points to an instance of the floating-point sparse FIR structure.   
+ * @param[in]  *pSrc       points to the block of input data.   
+ * @param[out] *pDst       points to the block of output data   
+ * @param[in]  *pScratchIn points to a temporary buffer of size blockSize.   
+ * @param[in]  blockSize   number of input samples to process per call.   
+ * @return none.   
+ */
+
+void arm_fir_sparse_f32(
+  arm_fir_sparse_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  float32_t * pScratchIn,
+  uint32_t blockSize)
+{
+
+  float32_t *pState = S->pState;                 /* State pointer */
+  float32_t *pCoeffs = S->pCoeffs;               /* Coefficient pointer */
+  float32_t *px;                                 /* Scratch buffer pointer */
+  float32_t *py = pState;                        /* Temporary pointers for state buffer */
+  float32_t *pb = pScratchIn;                    /* Temporary pointers for scratch buffer */
+  float32_t *pOut;                               /* Destination pointer */
+  int32_t *pTapDelay = S->pTapDelay;             /* Pointer to the array containing offset of the non-zero tap values. */
+  uint32_t delaySize = S->maxDelay + blockSize;  /* state length */
+  uint16_t numTaps = S->numTaps;                 /* Number of filter coefficients in the filter  */
+  int32_t readIndex;                             /* Read index of the state buffer */
+  uint32_t tapCnt, blkCnt;                       /* loop counters */
+  float32_t coeff = *pCoeffs++;                  /* Read the first coefficient value */
+
+
+
+  /* BlockSize of Input samples are copied into the state buffer */
+  /* StateIndex points to the starting position to write in the state buffer */
+  arm_circularWrite_f32((int32_t *) py, delaySize, &S->stateIndex, 1,
+                        (int32_t *) pSrc, 1, blockSize);
+
+
+  /* Read Index, from where the state buffer should be read, is calculated. */
+  readIndex = ((int32_t) S->stateIndex - (int32_t) blockSize) - *pTapDelay++;
+
+  /* Wraparound of readIndex */
+  if(readIndex < 0)
+  {
+    readIndex += (int32_t) delaySize;
+  }
+
+  /* Working pointer for state buffer is updated */
+  py = pState;
+
+  /* blockSize samples are read from the state buffer */
+  arm_circularRead_f32((int32_t *) py, delaySize, &readIndex, 1,
+                       (int32_t *) pb, (int32_t *) pb, blockSize, 1,
+                       blockSize);
+
+  /* Working pointer for the scratch buffer */
+  px = pb;
+
+  /* Working pointer for destination buffer */
+  pOut = pDst;
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /* Loop over the blockSize. Unroll by a factor of 4.    
+   * Compute 4 Multiplications at a time. */
+  blkCnt = blockSize >> 2u;
+
+  while(blkCnt > 0u)
+  {
+    /* Perform Multiplications and store in destination buffer */
+    *pOut++ = *px++ * coeff;
+    *pOut++ = *px++ * coeff;
+    *pOut++ = *px++ * coeff;
+    *pOut++ = *px++ * coeff;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4,    
+   * compute the remaining samples */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* Perform Multiplications and store in destination buffer */
+    *pOut++ = *px++ * coeff;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Load the coefficient value and    
+   * increment the coefficient buffer for the next set of state values */
+  coeff = *pCoeffs++;
+
+  /* Read Index, from where the state buffer should be read, is calculated. */
+  readIndex = ((int32_t) S->stateIndex - (int32_t) blockSize) - *pTapDelay++;
+
+  /* Wraparound of readIndex */
+  if(readIndex < 0)
+  {
+    readIndex += (int32_t) delaySize;
+  }
+
+  /* Loop over the number of taps. */
+  tapCnt = (uint32_t) numTaps - 1u;
+
+  while(tapCnt > 0u)
+  {
+
+    /* Working pointer for state buffer is updated */
+    py = pState;
+
+    /* blockSize samples are read from the state buffer */
+    arm_circularRead_f32((int32_t *) py, delaySize, &readIndex, 1,
+                         (int32_t *) pb, (int32_t *) pb, blockSize, 1,
+                         blockSize);
+
+    /* Working pointer for the scratch buffer */
+    px = pb;
+
+    /* Working pointer for destination buffer */
+    pOut = pDst;
+
+    /* Loop over the blockSize. Unroll by a factor of 4.    
+     * Compute 4 MACS at a time. */
+    blkCnt = blockSize >> 2u;
+
+    while(blkCnt > 0u)
+    {
+      /* Perform Multiply-Accumulate */
+      *pOut++ += *px++ * coeff;
+      *pOut++ += *px++ * coeff;
+      *pOut++ += *px++ * coeff;
+      *pOut++ += *px++ * coeff;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize is not a multiple of 4,    
+     * compute the remaining samples */
+    blkCnt = blockSize % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Perform Multiply-Accumulate */
+      *pOut++ += *px++ * coeff;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* Load the coefficient value and    
+     * increment the coefficient buffer for the next set of state values */
+    coeff = *pCoeffs++;
+
+    /* Read Index, from where the state buffer should be read, is calculated. */
+    readIndex = ((int32_t) S->stateIndex -
+                 (int32_t) blockSize) - *pTapDelay++;
+
+    /* Wraparound of readIndex */
+    if(readIndex < 0)
+    {
+      readIndex += (int32_t) delaySize;
+    }
+
+    /* Decrement the tap loop counter */
+    tapCnt--;
+  }
+
+#else
+
+/* Run the below code for Cortex-M0 */
+
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* Perform Multiplications and store in destination buffer */
+    *pOut++ = *px++ * coeff;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Load the coefficient value and           
+   * increment the coefficient buffer for the next set of state values */
+  coeff = *pCoeffs++;
+
+  /* Read Index, from where the state buffer should be read, is calculated. */
+  readIndex = ((int32_t) S->stateIndex - (int32_t) blockSize) - *pTapDelay++;
+
+  /* Wraparound of readIndex */
+  if(readIndex < 0)
+  {
+    readIndex += (int32_t) delaySize;
+  }
+
+  /* Loop over the number of taps. */
+  tapCnt = (uint32_t) numTaps - 1u;
+
+  while(tapCnt > 0u)
+  {
+
+    /* Working pointer for state buffer is updated */
+    py = pState;
+
+    /* blockSize samples are read from the state buffer */
+    arm_circularRead_f32((int32_t *) py, delaySize, &readIndex, 1,
+                         (int32_t *) pb, (int32_t *) pb, blockSize, 1,
+                         blockSize);
+
+    /* Working pointer for the scratch buffer */
+    px = pb;
+
+    /* Working pointer for destination buffer */
+    pOut = pDst;
+
+    blkCnt = blockSize;
+
+    while(blkCnt > 0u)
+    {
+      /* Perform Multiply-Accumulate */
+      *pOut++ += *px++ * coeff;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* Load the coefficient value and           
+     * increment the coefficient buffer for the next set of state values */
+    coeff = *pCoeffs++;
+
+    /* Read Index, from where the state buffer should be read, is calculated. */
+    readIndex =
+      ((int32_t) S->stateIndex - (int32_t) blockSize) - *pTapDelay++;
+
+    /* Wraparound of readIndex */
+    if(readIndex < 0)
+    {
+      readIndex += (int32_t) delaySize;
+    }
+
+    /* Decrement the tap loop counter */
+    tapCnt--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0        */
+
+}
+
+/**    
+ * @} end of FIR_Sparse group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_init_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_init_f32.c
new file mode 100644
index 0000000000..cc9cb53f76
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_init_f32.c
@@ -0,0 +1,102 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_sparse_init_f32.c    
+*    
+* Description:	Floating-point sparse FIR filter initialization function.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Sparse    
+ * @{    
+ */
+
+/**   
+ * @brief  Initialization function for the floating-point sparse FIR filter.   
+ * @param[in,out] *S         points to an instance of the floating-point sparse FIR structure.   
+ * @param[in]     numTaps    number of nonzero coefficients in the filter.   
+ * @param[in]     *pCoeffs   points to the array of filter coefficients.   
+ * @param[in]     *pState    points to the state buffer.   
+ * @param[in]     *pTapDelay points to the array of offset times.   
+ * @param[in]     maxDelay   maximum offset time supported.   
+ * @param[in]     blockSize  number of samples that will be processed per block.   
+ * @return none   
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs holds the filter coefficients and has length numTaps.    
+ * pState holds the filter's state variables and must be of length    
+ * maxDelay + blockSize, where maxDelay    
+ * is the maximum number of delay line values.    
+ * blockSize is the    
+ * number of samples processed by the arm_fir_sparse_f32() function.    
+ */
+
+void arm_fir_sparse_init_f32(
+  arm_fir_sparse_instance_f32 * S,
+  uint16_t numTaps,
+  float32_t * pCoeffs,
+  float32_t * pState,
+  int32_t * pTapDelay,
+  uint16_t maxDelay,
+  uint32_t blockSize)
+{
+  /* Assign filter taps */
+  S->numTaps = numTaps;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Assign TapDelay pointer */
+  S->pTapDelay = pTapDelay;
+
+  /* Assign MaxDelay */
+  S->maxDelay = maxDelay;
+
+  /* reset the stateIndex to 0 */
+  S->stateIndex = 0u;
+
+  /* Clear state buffer and size is always maxDelay + blockSize */
+  memset(pState, 0, (maxDelay + blockSize) * sizeof(float32_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+}
+
+/**    
+ * @} end of FIR_Sparse group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_init_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_init_q15.c
new file mode 100644
index 0000000000..ef25875281
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_init_q15.c
@@ -0,0 +1,102 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_sparse_init_q15.c    
+*    
+* Description:	Q15 sparse FIR filter initialization function.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Sparse    
+ * @{    
+ */
+
+/**   
+ * @brief  Initialization function for the Q15 sparse FIR filter.   
+ * @param[in,out] *S         points to an instance of the Q15 sparse FIR structure.   
+ * @param[in]     numTaps    number of nonzero coefficients in the filter.   
+ * @param[in]     *pCoeffs   points to the array of filter coefficients.   
+ * @param[in]     *pState    points to the state buffer.   
+ * @param[in]     *pTapDelay points to the array of offset times.   
+ * @param[in]     maxDelay   maximum offset time supported.   
+ * @param[in]     blockSize  number of samples that will be processed per block.   
+ * @return none   
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs holds the filter coefficients and has length numTaps.    
+ * pState holds the filter's state variables and must be of length    
+ * maxDelay + blockSize, where maxDelay    
+ * is the maximum number of delay line values.    
+ * blockSize is the    
+ * number of words processed by arm_fir_sparse_q15() function.    
+ */
+
+void arm_fir_sparse_init_q15(
+  arm_fir_sparse_instance_q15 * S,
+  uint16_t numTaps,
+  q15_t * pCoeffs,
+  q15_t * pState,
+  int32_t * pTapDelay,
+  uint16_t maxDelay,
+  uint32_t blockSize)
+{
+  /* Assign filter taps */
+  S->numTaps = numTaps;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Assign TapDelay pointer */
+  S->pTapDelay = pTapDelay;
+
+  /* Assign MaxDelay */
+  S->maxDelay = maxDelay;
+
+  /* reset the stateIndex to 0 */
+  S->stateIndex = 0u;
+
+  /* Clear state buffer and size is always maxDelay + blockSize */
+  memset(pState, 0, (maxDelay + blockSize) * sizeof(q15_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+}
+
+/**    
+ * @} end of FIR_Sparse group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_init_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_init_q31.c
new file mode 100644
index 0000000000..abad5b85d5
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_init_q31.c
@@ -0,0 +1,101 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_sparse_init_q31.c    
+*    
+* Description:	Q31 sparse FIR filter initialization function.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Sparse    
+ * @{    
+ */
+
+/**   
+ * @brief  Initialization function for the Q31 sparse FIR filter.   
+ * @param[in,out] *S         points to an instance of the Q31 sparse FIR structure.   
+ * @param[in]     numTaps    number of nonzero coefficients in the filter.   
+ * @param[in]     *pCoeffs   points to the array of filter coefficients.   
+ * @param[in]     *pState    points to the state buffer.   
+ * @param[in]     *pTapDelay points to the array of offset times.   
+ * @param[in]     maxDelay   maximum offset time supported.   
+ * @param[in]     blockSize  number of samples that will be processed per block.   
+ * @return none   
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs holds the filter coefficients and has length numTaps.    
+ * pState holds the filter's state variables and must be of length    
+ * maxDelay + blockSize, where maxDelay    
+ * is the maximum number of delay line values.    
+ * blockSize is the number of words processed by arm_fir_sparse_q31() function.    
+ */
+
+void arm_fir_sparse_init_q31(
+  arm_fir_sparse_instance_q31 * S,
+  uint16_t numTaps,
+  q31_t * pCoeffs,
+  q31_t * pState,
+  int32_t * pTapDelay,
+  uint16_t maxDelay,
+  uint32_t blockSize)
+{
+  /* Assign filter taps */
+  S->numTaps = numTaps;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Assign TapDelay pointer */
+  S->pTapDelay = pTapDelay;
+
+  /* Assign MaxDelay */
+  S->maxDelay = maxDelay;
+
+  /* reset the stateIndex to 0 */
+  S->stateIndex = 0u;
+
+  /* Clear state buffer and size is always maxDelay + blockSize */
+  memset(pState, 0, (maxDelay + blockSize) * sizeof(q31_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+}
+
+/**    
+ * @} end of FIR_Sparse group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_init_q7.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_init_q7.c
new file mode 100644
index 0000000000..9fb5c564d5
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_init_q7.c
@@ -0,0 +1,102 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_fir_sparse_init_q7.c    
+*    
+* Description:	Q7 sparse FIR filter initialization function.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Sparse    
+ * @{    
+ */
+
+/**   
+ * @brief  Initialization function for the Q7 sparse FIR filter.   
+ * @param[in,out] *S         points to an instance of the Q7 sparse FIR structure.   
+ * @param[in]     numTaps    number of nonzero coefficients in the filter.   
+ * @param[in]     *pCoeffs   points to the array of filter coefficients.   
+ * @param[in]     *pState    points to the state buffer.   
+ * @param[in]     *pTapDelay points to the array of offset times.   
+ * @param[in]     maxDelay   maximum offset time supported.   
+ * @param[in]     blockSize  number of samples that will be processed per block.   
+ * @return none   
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs holds the filter coefficients and has length numTaps.    
+ * pState holds the filter's state variables and must be of length    
+ * maxDelay + blockSize, where maxDelay    
+ * is the maximum number of delay line values.    
+ * blockSize is the    
+ * number of samples processed by the arm_fir_sparse_q7() function.    
+ */
+
+void arm_fir_sparse_init_q7(
+  arm_fir_sparse_instance_q7 * S,
+  uint16_t numTaps,
+  q7_t * pCoeffs,
+  q7_t * pState,
+  int32_t * pTapDelay,
+  uint16_t maxDelay,
+  uint32_t blockSize)
+{
+  /* Assign filter taps */
+  S->numTaps = numTaps;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Assign TapDelay pointer */
+  S->pTapDelay = pTapDelay;
+
+  /* Assign MaxDelay */
+  S->maxDelay = maxDelay;
+
+  /* reset the stateIndex to 0 */
+  S->stateIndex = 0u;
+
+  /* Clear state buffer and size is always maxDelay + blockSize */
+  memset(pState, 0, (maxDelay + blockSize) * sizeof(q7_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+}
+
+/**    
+ * @} end of FIR_Sparse group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_q15.c
new file mode 100644
index 0000000000..62e7afecbb
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_q15.c
@@ -0,0 +1,406 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_sparse_q15.c    
+*    
+* Description:	Q15 sparse FIR filter processing function.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ------------------------------------------------------------------- */
+#include "arm_math.h"
+
+/**    
+ * @addtogroup FIR_Sparse    
+ * @{    
+ */
+
+/**   
+ * @brief Processing function for the Q15 sparse FIR filter.   
+ * @param[in]  *S           points to an instance of the Q15 sparse FIR structure.   
+ * @param[in]  *pSrc        points to the block of input data.   
+ * @param[out] *pDst        points to the block of output data   
+ * @param[in]  *pScratchIn  points to a temporary buffer of size blockSize.   
+ * @param[in]  *pScratchOut points to a temporary buffer of size blockSize.   
+ * @param[in]  blockSize    number of input samples to process per call.   
+ * @return none.   
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using an internal 32-bit accumulator.   
+ * The 1.15 x 1.15 multiplications yield a 2.30 result and these are added to a 2.30 accumulator.   
+ * Thus the full precision of the multiplications is maintained but there is only a single guard bit in the accumulator.   
+ * If the accumulator result overflows it will wrap around rather than saturate.   
+ * After all multiply-accumulates are performed, the 2.30 accumulator is truncated to 2.15 format and then saturated to 1.15 format.    
+ * In order to avoid overflows the input signal or coefficients must be scaled down by log2(numTaps) bits.   
+ */
+
+
+void arm_fir_sparse_q15(
+  arm_fir_sparse_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  q15_t * pScratchIn,
+  q31_t * pScratchOut,
+  uint32_t blockSize)
+{
+
+  q15_t *pState = S->pState;                     /* State pointer */
+  q15_t *pIn = pSrc;                             /* Working pointer for input */
+  q15_t *pOut = pDst;                            /* Working pointer for output */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q15_t *px;                                     /* Temporary pointers for scratch buffer */
+  q15_t *pb = pScratchIn;                        /* Temporary pointers for scratch buffer */
+  q15_t *py = pState;                            /* Temporary pointers for state buffer */
+  int32_t *pTapDelay = S->pTapDelay;             /* Pointer to the array containing offset of the non-zero tap values. */
+  uint32_t delaySize = S->maxDelay + blockSize;  /* state length */
+  uint16_t numTaps = S->numTaps;                 /* Filter order */
+  int32_t readIndex;                             /* Read index of the state buffer */
+  uint32_t tapCnt, blkCnt;                       /* loop counters */
+  q15_t coeff = *pCoeffs++;                      /* Read the first coefficient value */
+  q31_t *pScr2 = pScratchOut;                    /* Working pointer for pScratchOut */
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t in1, in2;                                /* Temporary variables */
+
+
+  /* BlockSize of Input samples are copied into the state buffer */
+  /* StateIndex points to the starting position to write in the state buffer */
+  arm_circularWrite_q15(py, delaySize, &S->stateIndex, 1, pIn, 1, blockSize);
+
+  /* Loop over the number of taps. */
+  tapCnt = numTaps;
+
+  /* Read Index, from where the state buffer should be read, is calculated. */
+  readIndex = (S->stateIndex - blockSize) - *pTapDelay++;
+
+  /* Wraparound of readIndex */
+  if(readIndex < 0)
+  {
+    readIndex += (int32_t) delaySize;
+  }
+
+  /* Working pointer for state buffer is updated */
+  py = pState;
+
+  /* blockSize samples are read from the state buffer */
+  arm_circularRead_q15(py, delaySize, &readIndex, 1,
+                       pb, pb, blockSize, 1, blockSize);
+
+  /* Working pointer for the scratch buffer of state values */
+  px = pb;
+
+  /* Working pointer for scratch buffer of output values */
+  pScratchOut = pScr2;
+
+  /* Loop over the blockSize. Unroll by a factor of 4.    
+   * Compute 4 multiplications at a time. */
+  blkCnt = blockSize >> 2;
+
+  while(blkCnt > 0u)
+  {
+    /* Perform multiplication and store in the scratch buffer */
+    *pScratchOut++ = ((q31_t) * px++ * coeff);
+    *pScratchOut++ = ((q31_t) * px++ * coeff);
+    *pScratchOut++ = ((q31_t) * px++ * coeff);
+    *pScratchOut++ = ((q31_t) * px++ * coeff);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4,    
+   * compute the remaining samples */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* Perform multiplication and store in the scratch buffer */
+    *pScratchOut++ = ((q31_t) * px++ * coeff);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Load the coefficient value and    
+   * increment the coefficient buffer for the next set of state values */
+  coeff = *pCoeffs++;
+
+  /* Read Index, from where the state buffer should be read, is calculated. */
+  readIndex = (S->stateIndex - blockSize) - *pTapDelay++;
+
+  /* Wraparound of readIndex */
+  if(readIndex < 0)
+  {
+    readIndex += (int32_t) delaySize;
+  }
+
+  /* Loop over the number of taps. */
+  tapCnt = (uint32_t) numTaps - 1u;
+
+  while(tapCnt > 0u)
+  {
+    /* Working pointer for state buffer is updated */
+    py = pState;
+
+    /* blockSize samples are read from the state buffer */
+    arm_circularRead_q15(py, delaySize, &readIndex, 1,
+                         pb, pb, blockSize, 1, blockSize);
+
+    /* Working pointer for the scratch buffer of state values */
+    px = pb;
+
+    /* Working pointer for scratch buffer of output values */
+    pScratchOut = pScr2;
+
+    /* Loop over the blockSize. Unroll by a factor of 4.    
+     * Compute 4 MACS at a time. */
+    blkCnt = blockSize >> 2;
+
+    while(blkCnt > 0u)
+    {
+      /* Perform Multiply-Accumulate */
+      *pScratchOut++ += (q31_t) * px++ * coeff;
+      *pScratchOut++ += (q31_t) * px++ * coeff;
+      *pScratchOut++ += (q31_t) * px++ * coeff;
+      *pScratchOut++ += (q31_t) * px++ * coeff;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize is not a multiple of 4,    
+     * compute the remaining samples */
+    blkCnt = blockSize % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Perform Multiply-Accumulate */
+      *pScratchOut++ += (q31_t) * px++ * coeff;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* Load the coefficient value and    
+     * increment the coefficient buffer for the next set of state values */
+    coeff = *pCoeffs++;
+
+    /* Read Index, from where the state buffer should be read, is calculated. */
+    readIndex = (S->stateIndex - blockSize) - *pTapDelay++;
+
+    /* Wraparound of readIndex */
+    if(readIndex < 0)
+    {
+      readIndex += (int32_t) delaySize;
+    }
+
+    /* Decrement the tap loop counter */
+    tapCnt--;
+  }
+
+  /* All the output values are in pScratchOut buffer.    
+     Convert them into 1.15 format, saturate and store in the destination buffer. */
+  /* Loop over the blockSize. */
+  blkCnt = blockSize >> 2;
+
+  while(blkCnt > 0u)
+  {
+    in1 = *pScr2++;
+    in2 = *pScr2++;
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+    *__SIMD32(pOut)++ =
+      __PKHBT((q15_t) __SSAT(in1 >> 15, 16), (q15_t) __SSAT(in2 >> 15, 16),
+              16);
+
+#else
+    *__SIMD32(pOut)++ =
+      __PKHBT((q15_t) __SSAT(in2 >> 15, 16), (q15_t) __SSAT(in1 >> 15, 16),
+              16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+    in1 = *pScr2++;
+
+    in2 = *pScr2++;
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+    *__SIMD32(pOut)++ =
+      __PKHBT((q15_t) __SSAT(in1 >> 15, 16), (q15_t) __SSAT(in2 >> 15, 16),
+              16);
+
+#else
+
+    *__SIMD32(pOut)++ =
+      __PKHBT((q15_t) __SSAT(in2 >> 15, 16), (q15_t) __SSAT(in1 >> 15, 16),
+              16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+
+    blkCnt--;
+
+  }
+
+  /* If the blockSize is not a multiple of 4,    
+     remaining samples are processed in the below loop */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    *pOut++ = (q15_t) __SSAT(*pScr2++ >> 15, 16);
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* BlockSize of Input samples are copied into the state buffer */
+  /* StateIndex points to the starting position to write in the state buffer */
+  arm_circularWrite_q15(py, delaySize, &S->stateIndex, 1, pIn, 1, blockSize);
+
+  /* Loop over the number of taps. */
+  tapCnt = numTaps;
+
+  /* Read Index, from where the state buffer should be read, is calculated. */
+  readIndex = (S->stateIndex - blockSize) - *pTapDelay++;
+
+  /* Wraparound of readIndex */
+  if(readIndex < 0)
+  {
+    readIndex += (int32_t) delaySize;
+  }
+
+  /* Working pointer for state buffer is updated */
+  py = pState;
+
+  /* blockSize samples are read from the state buffer */
+  arm_circularRead_q15(py, delaySize, &readIndex, 1,
+                       pb, pb, blockSize, 1, blockSize);
+
+  /* Working pointer for the scratch buffer of state values */
+  px = pb;
+
+  /* Working pointer for scratch buffer of output values */
+  pScratchOut = pScr2;
+
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* Perform multiplication and store in the scratch buffer */
+    *pScratchOut++ = ((q31_t) * px++ * coeff);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Load the coefficient value and           
+   * increment the coefficient buffer for the next set of state values */
+  coeff = *pCoeffs++;
+
+  /* Read Index, from where the state buffer should be read, is calculated. */
+  readIndex = (S->stateIndex - blockSize) - *pTapDelay++;
+
+  /* Wraparound of readIndex */
+  if(readIndex < 0)
+  {
+    readIndex += (int32_t) delaySize;
+  }
+
+  /* Loop over the number of taps. */
+  tapCnt = (uint32_t) numTaps - 1u;
+
+  while(tapCnt > 0u)
+  {
+    /* Working pointer for state buffer is updated */
+    py = pState;
+
+    /* blockSize samples are read from the state buffer */
+    arm_circularRead_q15(py, delaySize, &readIndex, 1,
+                         pb, pb, blockSize, 1, blockSize);
+
+    /* Working pointer for the scratch buffer of state values */
+    px = pb;
+
+    /* Working pointer for scratch buffer of output values */
+    pScratchOut = pScr2;
+
+    blkCnt = blockSize;
+
+    while(blkCnt > 0u)
+    {
+      /* Perform Multiply-Accumulate */
+      *pScratchOut++ += (q31_t) * px++ * coeff;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* Load the coefficient value and           
+     * increment the coefficient buffer for the next set of state values */
+    coeff = *pCoeffs++;
+
+    /* Read Index, from where the state buffer should be read, is calculated. */
+    readIndex = (S->stateIndex - blockSize) - *pTapDelay++;
+
+    /* Wraparound of readIndex */
+    if(readIndex < 0)
+    {
+      readIndex += (int32_t) delaySize;
+    }
+
+    /* Decrement the tap loop counter */
+    tapCnt--;
+  }
+
+  /* All the output values are in pScratchOut buffer.       
+     Convert them into 1.15 format, saturate and store in the destination buffer. */
+  /* Loop over the blockSize. */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    *pOut++ = (q15_t) __SSAT(*pScr2++ >> 15, 16);
+    blkCnt--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of FIR_Sparse group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_q31.c
new file mode 100644
index 0000000000..9f02312501
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_q31.c
@@ -0,0 +1,370 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_sparse_q31.c    
+*    
+* Description:	Q31 sparse FIR filter processing function.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ------------------------------------------------------------------- */
+#include "arm_math.h"
+
+
+/**    
+ * @addtogroup FIR_Sparse    
+ * @{    
+ */
+
+/**   
+ * @brief Processing function for the Q31 sparse FIR filter.   
+ * @param[in]  *S          points to an instance of the Q31 sparse FIR structure.   
+ * @param[in]  *pSrc       points to the block of input data.   
+ * @param[out] *pDst       points to the block of output data   
+ * @param[in]  *pScratchIn points to a temporary buffer of size blockSize.   
+ * @param[in]  blockSize   number of input samples to process per call.   
+ * @return none.   
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using an internal 32-bit accumulator.   
+ * The 1.31 x 1.31 multiplications are truncated to 2.30 format.   
+ * This leads to loss of precision on the intermediate multiplications and provides only a single guard bit.    
+ * If the accumulator result overflows, it wraps around rather than saturate.   
+ * In order to avoid overflows the input signal or coefficients must be scaled down by log2(numTaps) bits.   
+ */
+
+void arm_fir_sparse_q31(
+  arm_fir_sparse_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  q31_t * pScratchIn,
+  uint32_t blockSize)
+{
+
+  q31_t *pState = S->pState;                     /* State pointer */
+  q31_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q31_t *px;                                     /* Scratch buffer pointer */
+  q31_t *py = pState;                            /* Temporary pointers for state buffer */
+  q31_t *pb = pScratchIn;                        /* Temporary pointers for scratch buffer */
+  q31_t *pOut;                                   /* Destination pointer */
+  q63_t out;                                     /* Temporary output variable */
+  int32_t *pTapDelay = S->pTapDelay;             /* Pointer to the array containing offset of the non-zero tap values. */
+  uint32_t delaySize = S->maxDelay + blockSize;  /* state length */
+  uint16_t numTaps = S->numTaps;                 /* Filter order */
+  int32_t readIndex;                             /* Read index of the state buffer */
+  uint32_t tapCnt, blkCnt;                       /* loop counters */
+  q31_t coeff = *pCoeffs++;                      /* Read the first coefficient value */
+  q31_t in;
+
+
+  /* BlockSize of Input samples are copied into the state buffer */
+  /* StateIndex points to the starting position to write in the state buffer */
+  arm_circularWrite_f32((int32_t *) py, delaySize, &S->stateIndex, 1,
+                        (int32_t *) pSrc, 1, blockSize);
+
+  /* Read Index, from where the state buffer should be read, is calculated. */
+  readIndex = (int32_t) (S->stateIndex - blockSize) - *pTapDelay++;
+
+  /* Wraparound of readIndex */
+  if(readIndex < 0)
+  {
+    readIndex += (int32_t) delaySize;
+  }
+
+  /* Working pointer for state buffer is updated */
+  py = pState;
+
+  /* blockSize samples are read from the state buffer */
+  arm_circularRead_f32((int32_t *) py, delaySize, &readIndex, 1,
+                       (int32_t *) pb, (int32_t *) pb, blockSize, 1,
+                       blockSize);
+
+  /* Working pointer for the scratch buffer of state values */
+  px = pb;
+
+  /* Working pointer for scratch buffer of output values */
+  pOut = pDst;
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /* Loop over the blockSize. Unroll by a factor of 4.    
+   * Compute 4 Multiplications at a time. */
+  blkCnt = blockSize >> 2;
+
+  while(blkCnt > 0u)
+  {
+    /* Perform Multiplications and store in the destination buffer */
+    *pOut++ = (q31_t) (((q63_t) * px++ * coeff) >> 32);
+    *pOut++ = (q31_t) (((q63_t) * px++ * coeff) >> 32);
+    *pOut++ = (q31_t) (((q63_t) * px++ * coeff) >> 32);
+    *pOut++ = (q31_t) (((q63_t) * px++ * coeff) >> 32);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4,    
+   * compute the remaining samples */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* Perform Multiplications and store in the destination buffer */
+    *pOut++ = (q31_t) (((q63_t) * px++ * coeff) >> 32);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Load the coefficient value and    
+   * increment the coefficient buffer for the next set of state values */
+  coeff = *pCoeffs++;
+
+  /* Read Index, from where the state buffer should be read, is calculated. */
+  readIndex = (int32_t) (S->stateIndex - blockSize) - *pTapDelay++;
+
+  /* Wraparound of readIndex */
+  if(readIndex < 0)
+  {
+    readIndex += (int32_t) delaySize;
+  }
+
+  /* Loop over the number of taps. */
+  tapCnt = (uint32_t) numTaps - 1u;
+
+  while(tapCnt > 0u)
+  {
+    /* Working pointer for state buffer is updated */
+    py = pState;
+
+    /* blockSize samples are read from the state buffer */
+    arm_circularRead_f32((int32_t *) py, delaySize, &readIndex, 1,
+                         (int32_t *) pb, (int32_t *) pb, blockSize, 1,
+                         blockSize);
+
+    /* Working pointer for the scratch buffer of state values */
+    px = pb;
+
+    /* Working pointer for scratch buffer of output values */
+    pOut = pDst;
+
+    /* Loop over the blockSize. Unroll by a factor of 4.    
+     * Compute 4 MACS at a time. */
+    blkCnt = blockSize >> 2;
+
+    while(blkCnt > 0u)
+    {
+      out = *pOut;
+      out += ((q63_t) * px++ * coeff) >> 32;
+      *pOut++ = (q31_t) (out);
+
+      out = *pOut;
+      out += ((q63_t) * px++ * coeff) >> 32;
+      *pOut++ = (q31_t) (out);
+
+      out = *pOut;
+      out += ((q63_t) * px++ * coeff) >> 32;
+      *pOut++ = (q31_t) (out);
+
+      out = *pOut;
+      out += ((q63_t) * px++ * coeff) >> 32;
+      *pOut++ = (q31_t) (out);
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize is not a multiple of 4,    
+     * compute the remaining samples */
+    blkCnt = blockSize % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Perform Multiply-Accumulate */
+      out = *pOut;
+      out += ((q63_t) * px++ * coeff) >> 32;
+      *pOut++ = (q31_t) (out);
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* Load the coefficient value and    
+     * increment the coefficient buffer for the next set of state values */
+    coeff = *pCoeffs++;
+
+    /* Read Index, from where the state buffer should be read, is calculated. */
+    readIndex = (int32_t) (S->stateIndex - blockSize) - *pTapDelay++;
+
+    /* Wraparound of readIndex */
+    if(readIndex < 0)
+    {
+      readIndex += (int32_t) delaySize;
+    }
+
+    /* Decrement the tap loop counter */
+    tapCnt--;
+  }
+
+  /* Working output pointer is updated */
+  pOut = pDst;
+
+  /* Output is converted into 1.31 format. */
+  /* Loop over the blockSize. Unroll by a factor of 4.    
+   * process 4 output samples at a time. */
+  blkCnt = blockSize >> 2;
+
+  while(blkCnt > 0u)
+  {
+    in = *pOut << 1;
+    *pOut++ = in;
+    in = *pOut << 1;
+    *pOut++ = in;
+    in = *pOut << 1;
+    *pOut++ = in;
+    in = *pOut << 1;
+    *pOut++ = in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4,    
+   * process the remaining output samples */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    in = *pOut << 1;
+    *pOut++ = in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* Perform Multiplications and store in the destination buffer */
+    *pOut++ = (q31_t) (((q63_t) * px++ * coeff) >> 32);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Load the coefficient value and           
+   * increment the coefficient buffer for the next set of state values */
+  coeff = *pCoeffs++;
+
+  /* Read Index, from where the state buffer should be read, is calculated. */
+  readIndex = (int32_t) (S->stateIndex - blockSize) - *pTapDelay++;
+
+  /* Wraparound of readIndex */
+  if(readIndex < 0)
+  {
+    readIndex += (int32_t) delaySize;
+  }
+
+  /* Loop over the number of taps. */
+  tapCnt = (uint32_t) numTaps - 1u;
+
+  while(tapCnt > 0u)
+  {
+    /* Working pointer for state buffer is updated */
+    py = pState;
+
+    /* blockSize samples are read from the state buffer */
+    arm_circularRead_f32((int32_t *) py, delaySize, &readIndex, 1,
+                         (int32_t *) pb, (int32_t *) pb, blockSize, 1,
+                         blockSize);
+
+    /* Working pointer for the scratch buffer of state values */
+    px = pb;
+
+    /* Working pointer for scratch buffer of output values */
+    pOut = pDst;
+
+    blkCnt = blockSize;
+
+    while(blkCnt > 0u)
+    {
+      /* Perform Multiply-Accumulate */
+      out = *pOut;
+      out += ((q63_t) * px++ * coeff) >> 32;
+      *pOut++ = (q31_t) (out);
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* Load the coefficient value and           
+     * increment the coefficient buffer for the next set of state values */
+    coeff = *pCoeffs++;
+
+    /* Read Index, from where the state buffer should be read, is calculated. */
+    readIndex = (int32_t) (S->stateIndex - blockSize) - *pTapDelay++;
+
+    /* Wraparound of readIndex */
+    if(readIndex < 0)
+    {
+      readIndex += (int32_t) delaySize;
+    }
+
+    /* Decrement the tap loop counter */
+    tapCnt--;
+  }
+
+  /* Working output pointer is updated */
+  pOut = pDst;
+
+  /* Output is converted into 1.31 format. */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    in = *pOut << 1;
+    *pOut++ = in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of FIR_Sparse group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_q7.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_q7.c
new file mode 100644
index 0000000000..e67339250f
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_fir_sparse_q7.c
@@ -0,0 +1,398 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_fir_sparse_q7.c    
+*    
+* Description:	Q7 sparse FIR filter processing function.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ------------------------------------------------------------------- */
+#include "arm_math.h"
+
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup FIR_Sparse    
+ * @{    
+ */
+
+
+/**   
+ * @brief Processing function for the Q7 sparse FIR filter.   
+ * @param[in]  *S           points to an instance of the Q7 sparse FIR structure.   
+ * @param[in]  *pSrc        points to the block of input data.   
+ * @param[out] *pDst        points to the block of output data   
+ * @param[in]  *pScratchIn  points to a temporary buffer of size blockSize.   
+ * @param[in]  *pScratchOut points to a temporary buffer of size blockSize.   
+ * @param[in]  blockSize    number of input samples to process per call.   
+ * @return none.   
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using a 32-bit internal accumulator.    
+ * Both coefficients and state variables are represented in 1.7 format and multiplications yield a 2.14 result.    
+ * The 2.14 intermediate results are accumulated in a 32-bit accumulator in 18.14 format.    
+ * There is no risk of internal overflow with this approach and the full precision of intermediate multiplications is preserved.    
+ * The accumulator is then converted to 18.7 format by discarding the low 7 bits.   
+ * Finally, the result is truncated to 1.7 format.   
+ */
+
+void arm_fir_sparse_q7(
+  arm_fir_sparse_instance_q7 * S,
+  q7_t * pSrc,
+  q7_t * pDst,
+  q7_t * pScratchIn,
+  q31_t * pScratchOut,
+  uint32_t blockSize)
+{
+
+  q7_t *pState = S->pState;                      /* State pointer */
+  q7_t *pCoeffs = S->pCoeffs;                    /* Coefficient pointer */
+  q7_t *px;                                      /* Scratch buffer pointer */
+  q7_t *py = pState;                             /* Temporary pointers for state buffer */
+  q7_t *pb = pScratchIn;                         /* Temporary pointers for scratch buffer */
+  q7_t *pOut = pDst;                             /* Destination pointer */
+  int32_t *pTapDelay = S->pTapDelay;             /* Pointer to the array containing offset of the non-zero tap values. */
+  uint32_t delaySize = S->maxDelay + blockSize;  /* state length */
+  uint16_t numTaps = S->numTaps;                 /* Filter order */
+  int32_t readIndex;                             /* Read index of the state buffer */
+  uint32_t tapCnt, blkCnt;                       /* loop counters */
+  q7_t coeff = *pCoeffs++;                       /* Read the coefficient value */
+  q31_t *pScr2 = pScratchOut;                    /* Working pointer for scratch buffer of output values */
+  q31_t in;
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q7_t in1, in2, in3, in4;
+
+  /* BlockSize of Input samples are copied into the state buffer */
+  /* StateIndex points to the starting position to write in the state buffer */
+  arm_circularWrite_q7(py, (int32_t) delaySize, &S->stateIndex, 1, pSrc, 1,
+                       blockSize);
+
+  /* Loop over the number of taps. */
+  tapCnt = numTaps;
+
+  /* Read Index, from where the state buffer should be read, is calculated. */
+  readIndex = ((int32_t) S->stateIndex - (int32_t) blockSize) - *pTapDelay++;
+
+  /* Wraparound of readIndex */
+  if(readIndex < 0)
+  {
+    readIndex += (int32_t) delaySize;
+  }
+
+  /* Working pointer for state buffer is updated */
+  py = pState;
+
+  /* blockSize samples are read from the state buffer */
+  arm_circularRead_q7(py, (int32_t) delaySize, &readIndex, 1, pb, pb,
+                      (int32_t) blockSize, 1, blockSize);
+
+  /* Working pointer for the scratch buffer of state values */
+  px = pb;
+
+  /* Working pointer for scratch buffer of output values */
+  pScratchOut = pScr2;
+
+  /* Loop over the blockSize. Unroll by a factor of 4.    
+   * Compute 4 multiplications at a time. */
+  blkCnt = blockSize >> 2;
+
+  while(blkCnt > 0u)
+  {
+    /* Perform multiplication and store in the scratch buffer */
+    *pScratchOut++ = ((q31_t) * px++ * coeff);
+    *pScratchOut++ = ((q31_t) * px++ * coeff);
+    *pScratchOut++ = ((q31_t) * px++ * coeff);
+    *pScratchOut++ = ((q31_t) * px++ * coeff);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4,    
+   * compute the remaining samples */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* Perform multiplication and store in the scratch buffer */
+    *pScratchOut++ = ((q31_t) * px++ * coeff);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Load the coefficient value and    
+   * increment the coefficient buffer for the next set of state values */
+  coeff = *pCoeffs++;
+
+  /* Read Index, from where the state buffer should be read, is calculated. */
+  readIndex = ((int32_t) S->stateIndex - (int32_t) blockSize) - *pTapDelay++;
+
+  /* Wraparound of readIndex */
+  if(readIndex < 0)
+  {
+    readIndex += (int32_t) delaySize;
+  }
+
+  /* Loop over the number of taps. */
+  tapCnt = (uint32_t) numTaps - 1u;
+
+  while(tapCnt > 0u)
+  {
+    /* Working pointer for state buffer is updated */
+    py = pState;
+
+    /* blockSize samples are read from the state buffer */
+    arm_circularRead_q7(py, (int32_t) delaySize, &readIndex, 1, pb, pb,
+                        (int32_t) blockSize, 1, blockSize);
+
+    /* Working pointer for the scratch buffer of state values */
+    px = pb;
+
+    /* Working pointer for scratch buffer of output values */
+    pScratchOut = pScr2;
+
+    /* Loop over the blockSize. Unroll by a factor of 4.    
+     * Compute 4 MACS at a time. */
+    blkCnt = blockSize >> 2;
+
+    while(blkCnt > 0u)
+    {
+      /* Perform Multiply-Accumulate */
+      in = *pScratchOut + ((q31_t) * px++ * coeff);
+      *pScratchOut++ = in;
+      in = *pScratchOut + ((q31_t) * px++ * coeff);
+      *pScratchOut++ = in;
+      in = *pScratchOut + ((q31_t) * px++ * coeff);
+      *pScratchOut++ = in;
+      in = *pScratchOut + ((q31_t) * px++ * coeff);
+      *pScratchOut++ = in;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize is not a multiple of 4,    
+     * compute the remaining samples */
+    blkCnt = blockSize % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* Perform Multiply-Accumulate */
+      in = *pScratchOut + ((q31_t) * px++ * coeff);
+      *pScratchOut++ = in;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* Load the coefficient value and    
+     * increment the coefficient buffer for the next set of state values */
+    coeff = *pCoeffs++;
+
+    /* Read Index, from where the state buffer should be read, is calculated. */
+    readIndex = ((int32_t) S->stateIndex -
+                 (int32_t) blockSize) - *pTapDelay++;
+
+    /* Wraparound of readIndex */
+    if(readIndex < 0)
+    {
+      readIndex += (int32_t) delaySize;
+    }
+
+    /* Decrement the tap loop counter */
+    tapCnt--;
+  }
+
+  /* All the output values are in pScratchOut buffer.    
+     Convert them into 1.15 format, saturate and store in the destination buffer. */
+  /* Loop over the blockSize. */
+  blkCnt = blockSize >> 2;
+
+  while(blkCnt > 0u)
+  {
+    in1 = (q7_t) __SSAT(*pScr2++ >> 7, 8);
+    in2 = (q7_t) __SSAT(*pScr2++ >> 7, 8);
+    in3 = (q7_t) __SSAT(*pScr2++ >> 7, 8);
+    in4 = (q7_t) __SSAT(*pScr2++ >> 7, 8);
+
+    *__SIMD32(pOut)++ = __PACKq7(in1, in2, in3, in4);
+
+    /* Decrement the blockSize loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4,    
+     remaining samples are processed in the below loop */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    *pOut++ = (q7_t) __SSAT(*pScr2++ >> 7, 8);
+
+    /* Decrement the blockSize loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* BlockSize of Input samples are copied into the state buffer */
+  /* StateIndex points to the starting position to write in the state buffer */
+  arm_circularWrite_q7(py, (int32_t) delaySize, &S->stateIndex, 1, pSrc, 1,
+                       blockSize);
+
+  /* Loop over the number of taps. */
+  tapCnt = numTaps;
+
+  /* Read Index, from where the state buffer should be read, is calculated. */
+  readIndex = ((int32_t) S->stateIndex - (int32_t) blockSize) - *pTapDelay++;
+
+  /* Wraparound of readIndex */
+  if(readIndex < 0)
+  {
+    readIndex += (int32_t) delaySize;
+  }
+
+  /* Working pointer for state buffer is updated */
+  py = pState;
+
+  /* blockSize samples are read from the state buffer */
+  arm_circularRead_q7(py, (int32_t) delaySize, &readIndex, 1, pb, pb,
+                      (int32_t) blockSize, 1, blockSize);
+
+  /* Working pointer for the scratch buffer of state values */
+  px = pb;
+
+  /* Working pointer for scratch buffer of output values */
+  pScratchOut = pScr2;
+
+  /* Loop over the blockSize */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* Perform multiplication and store in the scratch buffer */
+    *pScratchOut++ = ((q31_t) * px++ * coeff);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Load the coefficient value and           
+   * increment the coefficient buffer for the next set of state values */
+  coeff = *pCoeffs++;
+
+  /* Read Index, from where the state buffer should be read, is calculated. */
+  readIndex = ((int32_t) S->stateIndex - (int32_t) blockSize) - *pTapDelay++;
+
+  /* Wraparound of readIndex */
+  if(readIndex < 0)
+  {
+    readIndex += (int32_t) delaySize;
+  }
+
+  /* Loop over the number of taps. */
+  tapCnt = (uint32_t) numTaps - 1u;
+
+  while(tapCnt > 0u)
+  {
+    /* Working pointer for state buffer is updated */
+    py = pState;
+
+    /* blockSize samples are read from the state buffer */
+    arm_circularRead_q7(py, (int32_t) delaySize, &readIndex, 1, pb, pb,
+                        (int32_t) blockSize, 1, blockSize);
+
+    /* Working pointer for the scratch buffer of state values */
+    px = pb;
+
+    /* Working pointer for scratch buffer of output values */
+    pScratchOut = pScr2;
+
+    /* Loop over the blockSize */
+    blkCnt = blockSize;
+
+    while(blkCnt > 0u)
+    {
+      /* Perform Multiply-Accumulate */
+      in = *pScratchOut + ((q31_t) * px++ * coeff);
+      *pScratchOut++ = in;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* Load the coefficient value and           
+     * increment the coefficient buffer for the next set of state values */
+    coeff = *pCoeffs++;
+
+    /* Read Index, from where the state buffer should be read, is calculated. */
+    readIndex =
+      ((int32_t) S->stateIndex - (int32_t) blockSize) - *pTapDelay++;
+
+    /* Wraparound of readIndex */
+    if(readIndex < 0)
+    {
+      readIndex += (int32_t) delaySize;
+    }
+
+    /* Decrement the tap loop counter */
+    tapCnt--;
+  }
+
+  /* All the output values are in pScratchOut buffer.       
+     Convert them into 1.15 format, saturate and store in the destination buffer. */
+  /* Loop over the blockSize. */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    *pOut++ = (q7_t) __SSAT(*pScr2++ >> 7, 8);
+
+    /* Decrement the blockSize loop counter */
+    blkCnt--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of FIR_Sparse group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_f32.c
new file mode 100644
index 0000000000..264e15ed9e
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_f32.c
@@ -0,0 +1,440 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_iir_lattice_f32.c    
+*    
+* Description:	Floating-point IIR Lattice filter processing function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @defgroup IIR_Lattice Infinite Impulse Response (IIR) Lattice Filters    
+ *    
+ * This set of functions implements lattice filters    
+ * for Q15, Q31 and floating-point data types.  Lattice filters are used in a     
+ * variety of adaptive filter applications.  The filter structure has feedforward and    
+ * feedback components and the net impulse response is infinite length.    
+ * The functions operate on blocks    
+ * of input and output data and each call to the function processes    
+ * blockSize samples through the filter.  pSrc and    
+ * pDst point to input and output arrays containing blockSize values.    
+    
+ * \par Algorithm:    
+ * \image html IIRLattice.gif "Infinite Impulse Response Lattice filter"    
+ * 
    
+ *    fN(n)   =  x(n)    
+ *    fm-1(n) = fm(n) - km * gm-1(n-1)   for m = N, N-1, ...1    
+ *    gm(n)   = km * fm-1(n) + gm-1(n-1) for m = N, N-1, ...1    
+ *    y(n)    = vN * gN(n) + vN-1 * gN-1(n) + ...+ v0 * g0(n)    
+ * 
    
+ * \par    
+ * pkCoeffs points to array of reflection coefficients of size numStages.     
+ * Reflection coefficients are stored in time-reversed order.    
+ * \par    
+ * 
    
+ *    {kN, kN-1, ....k1}    
+ * 
    
+ * pvCoeffs points to the array of ladder coefficients of size (numStages+1).     
+ * Ladder coefficients are stored in time-reversed order.    
+ * \par    
+ * 
    
+ *    {vN, vN-1, ...v0}    
+ * 
    
+ * pState points to a state array of size numStages + blockSize.    
+ * The state variables shown in the figure above (the g values) are stored in the pState array.    
+ * The state variables are updated after each block of data is processed; the coefficients are untouched.    
+ * \par Instance Structure    
+ * The coefficients and state variables for a filter are stored together in an instance data structure.    
+ * A separate instance structure must be defined for each filter.    
+ * Coefficient arrays may be shared among several instances while state variable arrays cannot be shared.    
+ * There are separate instance structure declarations for each of the 3 supported data types.    
+  *    
+ * \par Initialization Functions    
+ * There is also an associated initialization function for each data type.    
+ * The initialization function performs the following operations:    
+ * - Sets the values of the internal structure fields.    
+ * - Zeros out the values in the state buffer.    
+ *    
+ * \par    
+ * Use of the initialization function is optional.    
+ * However, if the initialization function is used, then the instance structure cannot be placed into a const data section.    
+ * To place an instance structure into a const data section, the instance structure must be manually initialized.    
+ * Set the values in the state buffer to zeros and then manually initialize the instance structure as follows:    
+ * 
    
+ *arm_iir_lattice_instance_f32 S = {numStages, pState, pkCoeffs, pvCoeffs};    
+ *arm_iir_lattice_instance_q31 S = {numStages, pState, pkCoeffs, pvCoeffs};    
+ *arm_iir_lattice_instance_q15 S = {numStages, pState, pkCoeffs, pvCoeffs};    
+ * 
    
+ * \par    
+ * where numStages is the number of stages in the filter; pState points to the state buffer array;    
+ * pkCoeffs points to array of the reflection coefficients; pvCoeffs points to the array of ladder coefficients.    
+ * \par Fixed-Point Behavior    
+ * Care must be taken when using the fixed-point versions of the IIR lattice filter functions.    
+ * In particular, the overflow and saturation behavior of the accumulator used in each function must be considered.    
+ * Refer to the function specific documentation below for usage guidelines.    
+ */
+
+/**    
+ * @addtogroup IIR_Lattice    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the floating-point IIR lattice filter.    
+ * @param[in] *S points to an instance of the floating-point IIR lattice structure.    
+ * @param[in] *pSrc points to the block of input data.    
+ * @param[out] *pDst points to the block of output data.    
+ * @param[in] blockSize number of samples to process.    
+ * @return none.    
+ */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+void arm_iir_lattice_f32(
+  const arm_iir_lattice_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  float32_t fnext1, gcurr1, gnext;               /* Temporary variables for lattice stages */
+  float32_t acc;                                 /* Accumlator */
+  uint32_t blkCnt, tapCnt;                       /* temporary variables for counts */
+  float32_t *px1, *px2, *pk, *pv;                /* temporary pointers for state and coef */
+  uint32_t numStages = S->numStages;             /* number of stages */
+  float32_t *pState;                             /* State pointer */
+  float32_t *pStateCurnt;                        /* State current pointer */
+  float32_t k1, k2;
+  float32_t v1, v2, v3, v4;
+  float32_t gcurr2;
+  float32_t fnext2;
+
+  /* initialise loop count */
+  blkCnt = blockSize;
+
+  /* initialise state pointer */
+  pState = &S->pState[0];
+
+  /* Sample processing */
+  while(blkCnt > 0u)
+  {
+    /* Read Sample from input buffer */
+    /* fN(n) = x(n) */
+    fnext2 = *pSrc++;
+
+    /* Initialize Ladder coeff pointer */
+    pv = &S->pvCoeffs[0];
+    /* Initialize Reflection coeff pointer */
+    pk = &S->pkCoeffs[0];
+
+    /* Initialize state read pointer */
+    px1 = pState;
+    /* Initialize state write pointer */
+    px2 = pState;
+
+    /* Set accumulator to zero */
+    acc = 0.0;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = (numStages) >> 2;
+
+    while(tapCnt > 0u)
+    {
+      /* Read gN-1(n-1) from state buffer */
+      gcurr1 = *px1;
+
+      /* read reflection coefficient kN */
+      k1 = *pk;
+
+      /* fN-1(n) = fN(n) - kN * gN-1(n-1) */
+      fnext1 = fnext2 - (k1 * gcurr1);
+
+      /* read ladder coefficient vN */
+      v1 = *pv;
+
+      /* read next reflection coefficient kN-1 */
+      k2 = *(pk + 1u);
+
+      /* Read gN-2(n-1) from state buffer */
+      gcurr2 = *(px1 + 1u);
+
+      /* read next ladder coefficient vN-1 */
+      v2 = *(pv + 1u);
+
+      /* fN-2(n) = fN-1(n) - kN-1 * gN-2(n-1) */
+      fnext2 = fnext1 - (k2 * gcurr2);
+
+      /* gN(n)   = kN * fN-1(n) + gN-1(n-1) */
+      gnext = gcurr1 + (k1 * fnext1);
+
+      /* read reflection coefficient kN-2 */
+      k1 = *(pk + 2u);
+
+      /* write gN(n) into state for next sample processing */
+      *px2++ = gnext;
+
+      /* Read gN-3(n-1) from state buffer */
+      gcurr1 = *(px1 + 2u);
+
+      /* y(n) += gN(n) * vN  */
+      acc += (gnext * v1);
+
+      /* fN-3(n) = fN-2(n) - kN-2 * gN-3(n-1) */
+      fnext1 = fnext2 - (k1 * gcurr1);
+
+      /* gN-1(n)   = kN-1 * fN-2(n) + gN-2(n-1) */
+      gnext = gcurr2 + (k2 * fnext2);
+
+      /* Read gN-4(n-1) from state buffer */
+      gcurr2 = *(px1 + 3u);
+
+      /* y(n) += gN-1(n) * vN-1  */
+      acc += (gnext * v2);
+
+      /* read reflection coefficient kN-3 */
+      k2 = *(pk + 3u);
+
+      /* write gN-1(n) into state for next sample processing */
+      *px2++ = gnext;
+
+      /* fN-4(n) = fN-3(n) - kN-3 * gN-4(n-1) */
+      fnext2 = fnext1 - (k2 * gcurr2);
+
+      /* gN-2(n) = kN-2 * fN-3(n) + gN-3(n-1) */
+      gnext = gcurr1 + (k1 * fnext1);
+
+      /* read ladder coefficient vN-2 */
+      v3 = *(pv + 2u);
+
+      /* y(n) += gN-2(n) * vN-2  */
+      acc += (gnext * v3);
+
+      /* write gN-2(n) into state for next sample processing */
+      *px2++ = gnext;
+
+      /* update pointer */
+      pk += 4u;
+
+      /* gN-3(n) = kN-3 * fN-4(n) + gN-4(n-1) */
+      gnext = (fnext2 * k2) + gcurr2;
+
+      /* read next ladder coefficient vN-3 */
+      v4 = *(pv + 3u);
+
+      /* y(n) += gN-4(n) * vN-4  */
+      acc += (gnext * v4);
+
+      /* write gN-3(n) into state for next sample processing */
+      *px2++ = gnext;
+
+      /* update pointers */
+      px1 += 4u;
+      pv += 4u;
+
+      tapCnt--;
+
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = (numStages) % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      gcurr1 = *px1++;
+      /* Process sample for last taps */
+      fnext1 = fnext2 - ((*pk) * gcurr1);
+      gnext = (fnext1 * (*pk++)) + gcurr1;
+      /* Output samples for last taps */
+      acc += (gnext * (*pv++));
+      *px2++ = gnext;
+      fnext2 = fnext1;
+
+      tapCnt--;
+
+    }
+
+    /* y(n) += g0(n) * v0 */
+    acc += (fnext2 * (*pv));
+
+    *px2++ = fnext2;
+
+    /* write out into pDst */
+    *pDst++ = acc;
+
+    /* Advance the state pointer by 4 to process the next group of 4 samples */
+    pState = pState + 1u;
+
+    blkCnt--;
+
+  }
+
+  /* Processing is complete. Now copy last S->numStages samples to start of the buffer        
+     for the preperation of next frame process */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = &S->pState[0];
+  pState = &S->pState[blockSize];
+
+  tapCnt = numStages >> 2u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+
+  }
+
+  /* Calculate remaining number of copies */
+  tapCnt = (numStages) % 0x4u;
+
+  /* Copy the remaining q31_t data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+}
+
+#else
+
+void arm_iir_lattice_f32(
+  const arm_iir_lattice_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  float32_t fcurr, fnext = 0, gcurr, gnext;      /* Temporary variables for lattice stages */
+  float32_t acc;                                 /* Accumlator */
+  uint32_t blkCnt, tapCnt;                       /* temporary variables for counts */
+  float32_t *px1, *px2, *pk, *pv;                /* temporary pointers for state and coef */
+  uint32_t numStages = S->numStages;             /* number of stages */
+  float32_t *pState;                             /* State pointer */
+  float32_t *pStateCurnt;                        /* State current pointer */
+
+
+  /* Run the below code for Cortex-M0 */
+
+  blkCnt = blockSize;
+
+  pState = &S->pState[0];
+
+  /* Sample processing */
+  while(blkCnt > 0u)
+  {
+    /* Read Sample from input buffer */
+    /* fN(n) = x(n) */
+    fcurr = *pSrc++;
+
+    /* Initialize state read pointer */
+    px1 = pState;
+    /* Initialize state write pointer */
+    px2 = pState;
+    /* Set accumulator to zero */
+    acc = 0.0f;
+    /* Initialize Ladder coeff pointer */
+    pv = &S->pvCoeffs[0];
+    /* Initialize Reflection coeff pointer */
+    pk = &S->pkCoeffs[0];
+
+
+    /* Process sample for numStages */
+    tapCnt = numStages;
+
+    while(tapCnt > 0u)
+    {
+      gcurr = *px1++;
+      /* Process sample for last taps */
+      fnext = fcurr - ((*pk) * gcurr);
+      gnext = (fnext * (*pk++)) + gcurr;
+
+      /* Output samples for last taps */
+      acc += (gnext * (*pv++));
+      *px2++ = gnext;
+      fcurr = fnext;
+
+      /* Decrementing loop counter */
+      tapCnt--;
+
+    }
+
+    /* y(n) += g0(n) * v0 */
+    acc += (fnext * (*pv));
+
+    *px2++ = fnext;
+
+    /* write out into pDst */
+    *pDst++ = acc;
+
+    /* Advance the state pointer by 1 to process the next group of samples */
+    pState = pState + 1u;
+    blkCnt--;
+
+  }
+
+  /* Processing is complete. Now copy last S->numStages samples to start of the buffer           
+     for the preperation of next frame process */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = &S->pState[0];
+  pState = &S->pState[blockSize];
+
+  tapCnt = numStages;
+
+  /* Copy the data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+}
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+
+/**    
+ * @} end of IIR_Lattice group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_init_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_init_f32.c
new file mode 100644
index 0000000000..e2227e3e5b
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_init_f32.c
@@ -0,0 +1,86 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_iir_lattice_init_f32.c    
+*    
+* Description:  Floating-point IIR lattice filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup IIR_Lattice    
+ * @{    
+ */
+
+/**    
+ * @brief Initialization function for the floating-point IIR lattice filter.    
+ * @param[in] *S points to an instance of the floating-point IIR lattice structure.    
+ * @param[in] numStages number of stages in the filter.    
+ * @param[in] *pkCoeffs points to the reflection coefficient buffer.  The array is of length numStages.    
+ * @param[in] *pvCoeffs points to the ladder coefficient buffer.  The array is of length numStages+1.    
+ * @param[in] *pState points to the state buffer.  The array is of length numStages+blockSize.    
+ * @param[in] blockSize number of samples to process.    
+ * @return none.    
+ */
+
+void arm_iir_lattice_init_f32(
+  arm_iir_lattice_instance_f32 * S,
+  uint16_t numStages,
+  float32_t * pkCoeffs,
+  float32_t * pvCoeffs,
+  float32_t * pState,
+  uint32_t blockSize)
+{
+  /* Assign filter taps */
+  S->numStages = numStages;
+
+  /* Assign reflection coefficient pointer */
+  S->pkCoeffs = pkCoeffs;
+
+  /* Assign ladder coefficient pointer */
+  S->pvCoeffs = pvCoeffs;
+
+  /* Clear state buffer and size is always blockSize + numStages */
+  memset(pState, 0, (numStages + blockSize) * sizeof(float32_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+
+}
+
+  /**    
+   * @} end of IIR_Lattice group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_init_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_init_q15.c
new file mode 100644
index 0000000000..618505c2cb
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_init_q15.c
@@ -0,0 +1,86 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_iir_lattice_init_q15.c    
+*    
+* Description:  Q15 IIR lattice filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup IIR_Lattice    
+ * @{    
+ */
+
+  /**    
+   * @brief Initialization function for the Q15 IIR lattice filter.    
+   * @param[in] *S points to an instance of the Q15 IIR lattice structure.    
+   * @param[in] numStages  number of stages in the filter.    
+   * @param[in] *pkCoeffs points to reflection coefficient buffer.  The array is of length numStages.    
+   * @param[in] *pvCoeffs points to ladder coefficient buffer.  The array is of length numStages+1.    
+   * @param[in] *pState points to state buffer.  The array is of length numStages+blockSize.    
+   * @param[in] blockSize number of samples to process per call.    
+   * @return none.    
+   */
+
+void arm_iir_lattice_init_q15(
+  arm_iir_lattice_instance_q15 * S,
+  uint16_t numStages,
+  q15_t * pkCoeffs,
+  q15_t * pvCoeffs,
+  q15_t * pState,
+  uint32_t blockSize)
+{
+  /* Assign filter taps */
+  S->numStages = numStages;
+
+  /* Assign reflection coefficient pointer */
+  S->pkCoeffs = pkCoeffs;
+
+  /* Assign ladder coefficient pointer */
+  S->pvCoeffs = pvCoeffs;
+
+  /* Clear state buffer and size is always blockSize + numStages */
+  memset(pState, 0, (numStages + blockSize) * sizeof(q15_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+
+}
+
+/**    
+ * @} end of IIR_Lattice group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_init_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_init_q31.c
new file mode 100644
index 0000000000..85d18e6697
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_init_q31.c
@@ -0,0 +1,86 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_iir_lattice_init_q31.c    
+*    
+* Description:  Initialization function for the Q31 IIR lattice filter.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup IIR_Lattice    
+ * @{    
+ */
+
+  /**    
+   * @brief Initialization function for the Q31 IIR lattice filter.    
+   * @param[in] *S points to an instance of the Q31 IIR lattice structure.    
+   * @param[in] numStages number of stages in the filter.    
+   * @param[in] *pkCoeffs points to the reflection coefficient buffer.  The array is of length numStages.    
+   * @param[in] *pvCoeffs points to the ladder coefficient buffer.  The array is of length numStages+1.    
+   * @param[in] *pState points to the state buffer.  The array is of length numStages+blockSize.    
+   * @param[in] blockSize number of samples to process.    
+   * @return none.    
+   */
+
+void arm_iir_lattice_init_q31(
+  arm_iir_lattice_instance_q31 * S,
+  uint16_t numStages,
+  q31_t * pkCoeffs,
+  q31_t * pvCoeffs,
+  q31_t * pState,
+  uint32_t blockSize)
+{
+  /* Assign filter taps */
+  S->numStages = numStages;
+
+  /* Assign reflection coefficient pointer */
+  S->pkCoeffs = pkCoeffs;
+
+  /* Assign ladder coefficient pointer */
+  S->pvCoeffs = pvCoeffs;
+
+  /* Clear state buffer and size is always blockSize + numStages */
+  memset(pState, 0, (numStages + blockSize) * sizeof(q31_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+
+}
+
+/**    
+ * @} end of IIR_Lattice group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_q15.c
new file mode 100644
index 0000000000..d6221621e3
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_q15.c
@@ -0,0 +1,459 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_iir_lattice_q15.c    
+*    
+* Description:	Q15 IIR lattice filter processing function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup IIR_Lattice    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the Q15 IIR lattice filter.    
+ * @param[in] *S points to an instance of the Q15 IIR lattice structure.    
+ * @param[in] *pSrc points to the block of input data.    
+ * @param[out] *pDst points to the block of output data.    
+ * @param[in] blockSize number of samples to process.    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using a 64-bit internal accumulator.    
+ * Both coefficients and state variables are represented in 1.15 format and multiplications yield a 2.30 result.    
+ * The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format.    
+ * There is no risk of internal overflow with this approach and the full precision of intermediate multiplications is preserved.    
+ * After all additions have been performed, the accumulator is truncated to 34.15 format by discarding low 15 bits.    
+ * Lastly, the accumulator is saturated to yield a result in 1.15 format.    
+ */
+
+void arm_iir_lattice_q15(
+  const arm_iir_lattice_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t fcurr, fnext, gcurr = 0, gnext;          /* Temporary variables for lattice stages */
+  q15_t gnext1, gnext2;                          /* Temporary variables for lattice stages */
+  uint32_t stgCnt;                               /* Temporary variables for counts */
+  q63_t acc;                                     /* Accumlator */
+  uint32_t blkCnt, tapCnt;                       /* Temporary variables for counts */
+  q15_t *px1, *px2, *pk, *pv;                    /* temporary pointers for state and coef */
+  uint32_t numStages = S->numStages;             /* number of stages */
+  q15_t *pState;                                 /* State pointer */
+  q15_t *pStateCurnt;                            /* State current pointer */
+  q15_t out;                                     /* Temporary variable for output */
+#ifdef UNALIGNED_SUPPORT_DISABLE
+  q15_t v1, v2;
+#endif
+  q31_t v;                                       /* Temporary variable for ladder coefficient */
+
+
+  blkCnt = blockSize;
+
+  pState = &S->pState[0];
+
+  /* Sample processing */
+  while(blkCnt > 0u)
+  {
+    /* Read Sample from input buffer */
+    /* fN(n) = x(n) */
+    fcurr = *pSrc++;
+
+    /* Initialize state read pointer */
+    px1 = pState;
+    /* Initialize state write pointer */
+    px2 = pState;
+    /* Set accumulator to zero */
+    acc = 0;
+    /* Initialize Ladder coeff pointer */
+    pv = &S->pvCoeffs[0];
+    /* Initialize Reflection coeff pointer */
+    pk = &S->pkCoeffs[0];
+
+
+    /* Process sample for first tap */
+    gcurr = *px1++;
+    /* fN-1(n) = fN(n) - kN * gN-1(n-1) */
+    fnext = fcurr - (((q31_t) gcurr * (*pk)) >> 15);
+    fnext = __SSAT(fnext, 16);
+    /* gN(n) = kN * fN-1(n) + gN-1(n-1) */
+    gnext = (((q31_t) fnext * (*pk++)) >> 15) + gcurr;
+    gnext = __SSAT(gnext, 16);
+    /* write gN(n) into state for next sample processing */
+    *px2++ = (q15_t) gnext;
+    /* y(n) += gN(n) * vN  */
+    acc += (q31_t) ((gnext * (*pv++)));
+
+
+    /* Update f values for next coefficient processing */
+    fcurr = fnext;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = (numStages - 1u) >> 2;
+
+    while(tapCnt > 0u)
+    {
+
+      /* Process sample for 2nd, 6th ...taps */
+      /* Read gN-2(n-1) from state buffer */
+      gcurr = *px1++;
+      /* Process sample for 2nd, 6th .. taps */
+      /* fN-2(n) = fN-1(n) - kN-1 * gN-2(n-1) */
+      fnext = fcurr - (((q31_t) gcurr * (*pk)) >> 15);
+      fnext = __SSAT(fnext, 16);
+      /* gN-1(n) = kN-1 * fN-2(n) + gN-2(n-1) */
+      gnext = (((q31_t) fnext * (*pk++)) >> 15) + gcurr;
+      gnext1 = (q15_t) __SSAT(gnext, 16);
+      /* write gN-1(n) into state */
+      *px2++ = (q15_t) gnext1;
+
+
+      /* Process sample for 3nd, 7th ...taps */
+      /* Read gN-3(n-1) from state */
+      gcurr = *px1++;
+      /* Process sample for 3rd, 7th .. taps */
+      /* fN-3(n) = fN-2(n) - kN-2 * gN-3(n-1) */
+      fcurr = fnext - (((q31_t) gcurr * (*pk)) >> 15);
+      fcurr = __SSAT(fcurr, 16);
+      /* gN-2(n) = kN-2 * fN-3(n) + gN-3(n-1) */
+      gnext = (((q31_t) fcurr * (*pk++)) >> 15) + gcurr;
+      gnext2 = (q15_t) __SSAT(gnext, 16);
+      /* write gN-2(n) into state */
+      *px2++ = (q15_t) gnext2;
+
+      /* Read vN-1 and vN-2 at a time */
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+      v = *__SIMD32(pv)++;
+
+#else
+
+	  v1 = *pv++;
+	  v2 = *pv++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+	  v = __PKHBT(v1, v2, 16);
+
+#else
+
+	  v = __PKHBT(v2, v1, 16);
+
+#endif	/* 	#ifndef ARM_MATH_BIG_ENDIAN		*/
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE */
+
+
+      /* Pack gN-1(n) and gN-2(n) */
+
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      gnext = __PKHBT(gnext1, gnext2, 16);
+
+#else
+
+      gnext = __PKHBT(gnext2, gnext1, 16);
+
+#endif /*   #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+      /* y(n) += gN-1(n) * vN-1  */
+      /* process for gN-5(n) * vN-5, gN-9(n) * vN-9 ... */
+      /* y(n) += gN-2(n) * vN-2  */
+      /* process for gN-6(n) * vN-6, gN-10(n) * vN-10 ... */
+      acc = __SMLALD(gnext, v, acc);
+
+
+      /* Process sample for 4th, 8th ...taps */
+      /* Read gN-4(n-1) from state */
+      gcurr = *px1++;
+      /* Process sample for 4th, 8th .. taps */
+      /* fN-4(n) = fN-3(n) - kN-3 * gN-4(n-1) */
+      fnext = fcurr - (((q31_t) gcurr * (*pk)) >> 15);
+      fnext = __SSAT(fnext, 16);
+      /* gN-3(n) = kN-3 * fN-1(n) + gN-1(n-1) */
+      gnext = (((q31_t) fnext * (*pk++)) >> 15) + gcurr;
+      gnext1 = (q15_t) __SSAT(gnext, 16);
+      /* write  gN-3(n) for the next sample process */
+      *px2++ = (q15_t) gnext1;
+
+
+      /* Process sample for 5th, 9th ...taps */
+      /* Read gN-5(n-1) from state */
+      gcurr = *px1++;
+      /* Process sample for 5th, 9th .. taps */
+      /* fN-5(n) = fN-4(n) - kN-4 * gN-5(n-1) */
+      fcurr = fnext - (((q31_t) gcurr * (*pk)) >> 15);
+      fcurr = __SSAT(fcurr, 16);
+      /* gN-4(n) = kN-4 * fN-5(n) + gN-5(n-1) */
+      gnext = (((q31_t) fcurr * (*pk++)) >> 15) + gcurr;
+      gnext2 = (q15_t) __SSAT(gnext, 16);
+      /* write      gN-4(n) for the next sample process */
+      *px2++ = (q15_t) gnext2;
+
+      /* Read vN-3 and vN-4 at a time */
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+      v = *__SIMD32(pv)++;
+
+#else
+
+	  v1 = *pv++;
+	  v2 = *pv++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+	  v = __PKHBT(v1, v2, 16);
+
+#else
+
+	  v = __PKHBT(v2, v1, 16);
+
+#endif	/* #ifndef ARM_MATH_BIG_ENDIAN	 */
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE */
+
+
+      /* Pack gN-3(n) and gN-4(n) */
+#ifndef  ARM_MATH_BIG_ENDIAN
+
+      gnext = __PKHBT(gnext1, gnext2, 16);
+
+#else
+
+      gnext = __PKHBT(gnext2, gnext1, 16);
+
+#endif /*      #ifndef  ARM_MATH_BIG_ENDIAN    */
+
+      /* y(n) += gN-4(n) * vN-4  */
+      /* process for gN-8(n) * vN-8, gN-12(n) * vN-12 ... */
+      /* y(n) += gN-3(n) * vN-3  */
+      /* process for gN-7(n) * vN-7, gN-11(n) * vN-11 ... */
+      acc = __SMLALD(gnext, v, acc);
+
+      tapCnt--;
+
+    }
+
+    fnext = fcurr;
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = (numStages - 1u) % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      gcurr = *px1++;
+      /* Process sample for last taps */
+      fnext = fcurr - (((q31_t) gcurr * (*pk)) >> 15);
+      fnext = __SSAT(fnext, 16);
+      gnext = (((q31_t) fnext * (*pk++)) >> 15) + gcurr;
+      gnext = __SSAT(gnext, 16);
+      /* Output samples for last taps */
+      acc += (q31_t) (((q31_t) gnext * (*pv++)));
+      *px2++ = (q15_t) gnext;
+      fcurr = fnext;
+
+      tapCnt--;
+    }
+
+    /* y(n) += g0(n) * v0 */
+    acc += (q31_t) (((q31_t) fnext * (*pv++)));
+
+    out = (q15_t) __SSAT(acc >> 15, 16);
+    *px2++ = (q15_t) fnext;
+
+    /* write out into pDst */
+    *pDst++ = out;
+
+    /* Advance the state pointer by 4 to process the next group of 4 samples */
+    pState = pState + 1u;
+    blkCnt--;
+
+  }
+
+  /* Processing is complete. Now copy last S->numStages samples to start of the buffer    
+     for the preperation of next frame process */
+  /* Points to the start of the state buffer */
+  pStateCurnt = &S->pState[0];
+  pState = &S->pState[blockSize];
+
+  stgCnt = (numStages >> 2u);
+
+  /* copy data */
+  while(stgCnt > 0u)
+  {
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pState)++;
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pState)++;
+
+#else
+
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+#endif /*	#ifndef UNALIGNED_SUPPORT_DISABLE */
+
+    /* Decrement the loop counter */
+    stgCnt--;
+
+  }
+
+  /* Calculation of count for remaining q15_t data */
+  stgCnt = (numStages) % 0x4u;
+
+  /* copy data */
+  while(stgCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    stgCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q31_t fcurr, fnext = 0, gcurr = 0, gnext;      /* Temporary variables for lattice stages */
+  uint32_t stgCnt;                               /* Temporary variables for counts */
+  q63_t acc;                                     /* Accumlator */
+  uint32_t blkCnt, tapCnt;                       /* Temporary variables for counts */
+  q15_t *px1, *px2, *pk, *pv;                    /* temporary pointers for state and coef */
+  uint32_t numStages = S->numStages;             /* number of stages */
+  q15_t *pState;                                 /* State pointer */
+  q15_t *pStateCurnt;                            /* State current pointer */
+  q15_t out;                                     /* Temporary variable for output */
+
+
+  blkCnt = blockSize;
+
+  pState = &S->pState[0];
+
+  /* Sample processing */
+  while(blkCnt > 0u)
+  {
+    /* Read Sample from input buffer */
+    /* fN(n) = x(n) */
+    fcurr = *pSrc++;
+
+    /* Initialize state read pointer */
+    px1 = pState;
+    /* Initialize state write pointer */
+    px2 = pState;
+    /* Set accumulator to zero */
+    acc = 0;
+    /* Initialize Ladder coeff pointer */
+    pv = &S->pvCoeffs[0];
+    /* Initialize Reflection coeff pointer */
+    pk = &S->pkCoeffs[0];
+
+    tapCnt = numStages;
+
+    while(tapCnt > 0u)
+    {
+      gcurr = *px1++;
+      /* Process sample */
+      /* fN-1(n) = fN(n) - kN * gN-1(n-1) */
+      fnext = fcurr - ((gcurr * (*pk)) >> 15);
+      fnext = __SSAT(fnext, 16);
+      /* gN(n) = kN * fN-1(n) + gN-1(n-1) */
+      gnext = ((fnext * (*pk++)) >> 15) + gcurr;
+      gnext = __SSAT(gnext, 16);
+      /* Output samples */
+      /* y(n) += gN(n) * vN */
+      acc += (q31_t) ((gnext * (*pv++)));
+      /* write gN(n) into state for next sample processing */
+      *px2++ = (q15_t) gnext;
+      /* Update f values for next coefficient processing */
+      fcurr = fnext;
+
+      tapCnt--;
+    }
+
+    /* y(n) += g0(n) * v0 */
+    acc += (q31_t) ((fnext * (*pv++)));
+
+    out = (q15_t) __SSAT(acc >> 15, 16);
+    *px2++ = (q15_t) fnext;
+
+    /* write out into pDst */
+    *pDst++ = out;
+
+    /* Advance the state pointer by 1 to process the next group of samples */
+    pState = pState + 1u;
+    blkCnt--;
+
+  }
+
+  /* Processing is complete. Now copy last S->numStages samples to start of the buffer           
+     for the preperation of next frame process */
+  /* Points to the start of the state buffer */
+  pStateCurnt = &S->pState[0];
+  pState = &S->pState[blockSize];
+
+  stgCnt = numStages;
+
+  /* copy data */
+  while(stgCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    stgCnt--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+
+
+
+/**    
+ * @} end of IIR_Lattice group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_q31.c
new file mode 100644
index 0000000000..cff10f872e
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_iir_lattice_q31.c
@@ -0,0 +1,345 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_iir_lattice_q31.c    
+*    
+* Description:	Q31 IIR lattice filter processing function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup IIR_Lattice    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the Q31 IIR lattice filter.    
+ * @param[in] *S points to an instance of the Q31 IIR lattice structure.    
+ * @param[in] *pSrc points to the block of input data.    
+ * @param[out] *pDst points to the block of output data.    
+ * @param[in] blockSize number of samples to process.    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using an internal 64-bit accumulator.    
+ * The accumulator has a 2.62 format and maintains full precision of the intermediate multiplication results but provides only a single guard bit.    
+ * Thus, if the accumulator result overflows it wraps around rather than clip.    
+ * In order to avoid overflows completely the input signal must be scaled down by 2*log2(numStages) bits.    
+ * After all multiply-accumulates are performed, the 2.62 accumulator is saturated to 1.32 format and then truncated to 1.31 format.    
+ */
+
+void arm_iir_lattice_q31(
+  const arm_iir_lattice_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  q31_t fcurr, fnext = 0, gcurr = 0, gnext;      /* Temporary variables for lattice stages */
+  q63_t acc;                                     /* Accumlator */
+  uint32_t blkCnt, tapCnt;                       /* Temporary variables for counts */
+  q31_t *px1, *px2, *pk, *pv;                    /* Temporary pointers for state and coef */
+  uint32_t numStages = S->numStages;             /* number of stages */
+  q31_t *pState;                                 /* State pointer */
+  q31_t *pStateCurnt;                            /* State current pointer */
+
+  blkCnt = blockSize;
+
+  pState = &S->pState[0];
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /* Sample processing */
+  while(blkCnt > 0u)
+  {
+    /* Read Sample from input buffer */
+    /* fN(n) = x(n) */
+    fcurr = *pSrc++;
+
+    /* Initialize state read pointer */
+    px1 = pState;
+    /* Initialize state write pointer */
+    px2 = pState;
+    /* Set accumulator to zero */
+    acc = 0;
+    /* Initialize Ladder coeff pointer */
+    pv = &S->pvCoeffs[0];
+    /* Initialize Reflection coeff pointer */
+    pk = &S->pkCoeffs[0];
+
+
+    /* Process sample for first tap */
+    gcurr = *px1++;
+    /* fN-1(n) = fN(n) - kN * gN-1(n-1) */
+    fnext = __QSUB(fcurr, (q31_t) (((q63_t) gcurr * (*pk)) >> 31));
+    /* gN(n) = kN * fN-1(n) + gN-1(n-1) */
+    gnext = __QADD(gcurr, (q31_t) (((q63_t) fnext * (*pk++)) >> 31));
+    /* write gN-1(n-1) into state for next sample processing */
+    *px2++ = gnext;
+    /* y(n) += gN(n) * vN  */
+    acc += ((q63_t) gnext * *pv++);
+
+    /* Update f values for next coefficient processing */
+    fcurr = fnext;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = (numStages - 1u) >> 2;
+
+    while(tapCnt > 0u)
+    {
+
+      /* Process sample for 2nd, 6th .. taps */
+      /* Read gN-2(n-1) from state buffer */
+      gcurr = *px1++;
+      /* fN-2(n) = fN-1(n) - kN-1 * gN-2(n-1) */
+      fnext = __QSUB(fcurr, (q31_t) (((q63_t) gcurr * (*pk)) >> 31));
+      /* gN-1(n) = kN-1 * fN-2(n) + gN-2(n-1) */
+      gnext = __QADD(gcurr, (q31_t) (((q63_t) fnext * (*pk++)) >> 31));
+      /* y(n) += gN-1(n) * vN-1  */
+      /* process for gN-5(n) * vN-5, gN-9(n) * vN-9 ... */
+      acc += ((q63_t) gnext * *pv++);
+      /* write gN-1(n) into state for next sample processing */
+      *px2++ = gnext;
+
+      /* Process sample for 3nd, 7th ...taps */
+      /* Read gN-3(n-1) from state buffer */
+      gcurr = *px1++;
+      /* Process sample for 3rd, 7th .. taps */
+      /* fN-3(n) = fN-2(n) - kN-2 * gN-3(n-1) */
+      fcurr = __QSUB(fnext, (q31_t) (((q63_t) gcurr * (*pk)) >> 31));
+      /* gN-2(n) = kN-2 * fN-3(n) + gN-3(n-1) */
+      gnext = __QADD(gcurr, (q31_t) (((q63_t) fcurr * (*pk++)) >> 31));
+      /* y(n) += gN-2(n) * vN-2  */
+      /* process for gN-6(n) * vN-6, gN-10(n) * vN-10 ... */
+      acc += ((q63_t) gnext * *pv++);
+      /* write gN-2(n) into state for next sample processing */
+      *px2++ = gnext;
+
+
+      /* Process sample for 4th, 8th ...taps */
+      /* Read gN-4(n-1) from state buffer */
+      gcurr = *px1++;
+      /* Process sample for 4th, 8th .. taps */
+      /* fN-4(n) = fN-3(n) - kN-3 * gN-4(n-1) */
+      fnext = __QSUB(fcurr, (q31_t) (((q63_t) gcurr * (*pk)) >> 31));
+      /* gN-3(n) = kN-3 * fN-4(n) + gN-4(n-1) */
+      gnext = __QADD(gcurr, (q31_t) (((q63_t) fnext * (*pk++)) >> 31));
+      /* y(n) += gN-3(n) * vN-3  */
+      /* process for gN-7(n) * vN-7, gN-11(n) * vN-11 ... */
+      acc += ((q63_t) gnext * *pv++);
+      /* write gN-3(n) into state for next sample processing */
+      *px2++ = gnext;
+
+
+      /* Process sample for 5th, 9th ...taps */
+      /* Read gN-5(n-1) from state buffer */
+      gcurr = *px1++;
+      /* Process sample for 5th, 9th .. taps */
+      /* fN-5(n) = fN-4(n) - kN-4 * gN-1(n-1) */
+      fcurr = __QSUB(fnext, (q31_t) (((q63_t) gcurr * (*pk)) >> 31));
+      /* gN-4(n) = kN-4 * fN-5(n) + gN-5(n-1) */
+      gnext = __QADD(gcurr, (q31_t) (((q63_t) fcurr * (*pk++)) >> 31));
+      /* y(n) += gN-4(n) * vN-4  */
+      /* process for gN-8(n) * vN-8, gN-12(n) * vN-12 ... */
+      acc += ((q63_t) gnext * *pv++);
+      /* write gN-4(n) into state for next sample processing */
+      *px2++ = gnext;
+
+      tapCnt--;
+
+    }
+
+    fnext = fcurr;
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = (numStages - 1u) % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      gcurr = *px1++;
+      /* Process sample for last taps */
+      fnext = __QSUB(fcurr, (q31_t) (((q63_t) gcurr * (*pk)) >> 31));
+      gnext = __QADD(gcurr, (q31_t) (((q63_t) fnext * (*pk++)) >> 31));
+      /* Output samples for last taps */
+      acc += ((q63_t) gnext * *pv++);
+      *px2++ = gnext;
+      fcurr = fnext;
+
+      tapCnt--;
+
+    }
+
+    /* y(n) += g0(n) * v0 */
+    acc += (q63_t) fnext *(
+  *pv++);
+
+    *px2++ = fnext;
+
+    /* write out into pDst */
+    *pDst++ = (q31_t) (acc >> 31u);
+
+    /* Advance the state pointer by 4 to process the next group of 4 samples */
+    pState = pState + 1u;
+    blkCnt--;
+
+  }
+
+  /* Processing is complete. Now copy last S->numStages samples to start of the buffer    
+     for the preperation of next frame process */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = &S->pState[0];
+  pState = &S->pState[blockSize];
+
+  tapCnt = numStages >> 2u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+
+  }
+
+  /* Calculate remaining number of copies */
+  tapCnt = (numStages) % 0x4u;
+
+  /* Copy the remaining q31_t data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  };
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  /* Sample processing */
+  while(blkCnt > 0u)
+  {
+    /* Read Sample from input buffer */
+    /* fN(n) = x(n) */
+    fcurr = *pSrc++;
+
+    /* Initialize state read pointer */
+    px1 = pState;
+    /* Initialize state write pointer */
+    px2 = pState;
+    /* Set accumulator to zero */
+    acc = 0;
+    /* Initialize Ladder coeff pointer */
+    pv = &S->pvCoeffs[0];
+    /* Initialize Reflection coeff pointer */
+    pk = &S->pkCoeffs[0];
+
+    tapCnt = numStages;
+
+    while(tapCnt > 0u)
+    {
+      gcurr = *px1++;
+      /* Process sample */
+      /* fN-1(n) = fN(n) - kN * gN-1(n-1) */
+      fnext =
+        clip_q63_to_q31(((q63_t) fcurr -
+                         ((q31_t) (((q63_t) gcurr * (*pk)) >> 31))));
+      /* gN(n) = kN * fN-1(n) + gN-1(n-1) */
+      gnext =
+        clip_q63_to_q31(((q63_t) gcurr +
+                         ((q31_t) (((q63_t) fnext * (*pk++)) >> 31))));
+      /* Output samples */
+      /* y(n) += gN(n) * vN  */
+      acc += ((q63_t) gnext * *pv++);
+      /* write gN-1(n-1) into state for next sample processing */
+      *px2++ = gnext;
+      /* Update f values for next coefficient processing */
+      fcurr = fnext;
+
+      tapCnt--;
+    }
+
+    /* y(n) += g0(n) * v0 */
+    acc += (q63_t) fnext *(
+  *pv++);
+
+    *px2++ = fnext;
+
+    /* write out into pDst */
+    *pDst++ = (q31_t) (acc >> 31u);
+
+    /* Advance the state pointer by 1 to process the next group of samples */
+    pState = pState + 1u;
+    blkCnt--;
+
+  }
+
+  /* Processing is complete. Now copy last S->numStages samples to start of the buffer           
+     for the preperation of next frame process */
+
+  /* Points to the start of the state buffer */
+  pStateCurnt = &S->pState[0];
+  pState = &S->pState[blockSize];
+
+  tapCnt = numStages;
+
+  /* Copy the remaining q31_t data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+
+
+
+/**    
+ * @} end of IIR_Lattice group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_f32.c
new file mode 100644
index 0000000000..ca804ed101
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_f32.c
@@ -0,0 +1,434 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_lms_f32.c    
+*    
+* Description:	Processing function for the floating-point LMS filter.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @defgroup LMS Least Mean Square (LMS) Filters    
+ *    
+ * LMS filters are a class of adaptive filters that are able to "learn" an unknown transfer functions.    
+ * LMS filters use a gradient descent method in which the filter coefficients are updated based on the instantaneous error signal.    
+ * Adaptive filters are often used in communication systems, equalizers, and noise removal.    
+ * The CMSIS DSP Library contains LMS filter functions that operate on Q15, Q31, and floating-point data types.    
+ * The library also contains normalized LMS filters in which the filter coefficient adaptation is indepedent of the level of the input signal.    
+ *    
+ * An LMS filter consists of two components as shown below.    
+ * The first component is a standard transversal or FIR filter.    
+ * The second component is a coefficient update mechanism.    
+ * The LMS filter has two input signals.    
+ * The "input" feeds the FIR filter while the "reference input" corresponds to the desired output of the FIR filter.    
+ * That is, the FIR filter coefficients are updated so that the output of the FIR filter matches the reference input.    
+ * The filter coefficient update mechanism is based on the difference between the FIR filter output and the reference input.    
+ * This "error signal" tends towards zero as the filter adapts.    
+ * The LMS processing functions accept the input and reference input signals and generate the filter output and error signal.    
+ * \image html LMS.gif "Internal structure of the Least Mean Square filter"    
+ *    
+ * The functions operate on blocks of data and each call to the function processes    
+ * blockSize samples through the filter.    
+ * pSrc points to input signal, pRef points to reference signal,    
+ * pOut points to output signal and pErr points to error signal.    
+ * All arrays contain blockSize values.    
+ *    
+ * The functions operate on a block-by-block basis.    
+ * Internally, the filter coefficients b[n] are updated on a sample-by-sample basis.    
+ * The convergence of the LMS filter is slower compared to the normalized LMS algorithm.    
+ *    
+ * \par Algorithm:    
+ * The output signal y[n] is computed by a standard FIR filter:    
+ * 
    
+ *     y[n] = b[0] * x[n] + b[1] * x[n-1] + b[2] * x[n-2] + ...+ b[numTaps-1] * x[n-numTaps+1]    
+ * 
    
+ *    
+ * \par    
+ * The error signal equals the difference between the reference signal d[n] and the filter output:    
+ * 
    
+ *     e[n] = d[n] - y[n].    
+ * 
    
+ *    
+ * \par    
+ * After each sample of the error signal is computed, the filter coefficients b[k] are updated on a sample-by-sample basis:    
+ * 
    
+ *     b[k] = b[k] + e[n] * mu * x[n-k],  for k=0, 1, ..., numTaps-1    
+ * 
    
+ * where mu is the step size and controls the rate of coefficient convergence.    
+ *\par    
+ * In the APIs, pCoeffs points to a coefficient array of size numTaps.    
+ * Coefficients are stored in time reversed order.    
+ * \par    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * \par    
+ * pState points to a state array of size numTaps + blockSize - 1.    
+ * Samples in the state buffer are stored in the order:    
+ * \par    
+ * 
    
+ *    {x[n-numTaps+1], x[n-numTaps], x[n-numTaps-1], x[n-numTaps-2]....x[0], x[1], ..., x[blockSize-1]}    
+ * 
    
+ * \par    
+ * Note that the length of the state buffer exceeds the length of the coefficient array by blockSize-1 samples.    
+ * The increased state buffer length allows circular addressing, which is traditionally used in FIR filters,    
+ * to be avoided and yields a significant speed improvement.    
+ * The state variables are updated after each block of data is processed.    
+ * \par Instance Structure    
+ * The coefficients and state variables for a filter are stored together in an instance data structure.    
+ * A separate instance structure must be defined for each filter and    
+ * coefficient and state arrays cannot be shared among instances.    
+ * There are separate instance structure declarations for each of the 3 supported data types.    
+ *    
+ * \par Initialization Functions    
+ * There is also an associated initialization function for each data type.    
+ * The initialization function performs the following operations:    
+ * - Sets the values of the internal structure fields.    
+ * - Zeros out the values in the state buffer.    
+ * \par    
+ * Use of the initialization function is optional.    
+ * However, if the initialization function is used, then the instance structure cannot be placed into a const data section.    
+ * To place an instance structure into a const data section, the instance structure must be manually initialized.    
+ * Set the values in the state buffer to zeros before static initialization.    
+ * The code below statically initializes each of the 3 different data type filter instance structures    
+ * 
    
+ *    arm_lms_instance_f32 S = {numTaps, pState, pCoeffs, mu};    
+ *    arm_lms_instance_q31 S = {numTaps, pState, pCoeffs, mu, postShift};    
+ *    arm_lms_instance_q15 S = {numTaps, pState, pCoeffs, mu, postShift};    
+ * 
    
+ * where numTaps is the number of filter coefficients in the filter; pState is the address of the state buffer;    
+ * pCoeffs is the address of the coefficient buffer; mu is the step size parameter; and postShift is the shift applied to coefficients.    
+ *    
+ * \par Fixed-Point Behavior:    
+ * Care must be taken when using the Q15 and Q31 versions of the LMS filter.    
+ * The following issues must be considered:    
+ * - Scaling of coefficients    
+ * - Overflow and saturation    
+ *    
+ * \par Scaling of Coefficients:    
+ * Filter coefficients are represented as fractional values and    
+ * coefficients are restricted to lie in the range [-1 +1).    
+ * The fixed-point functions have an additional scaling parameter postShift.    
+ * At the output of the filter's accumulator is a shift register which shifts the result by postShift bits.    
+ * This essentially scales the filter coefficients by 2^postShift and    
+ * allows the filter coefficients to exceed the range [+1 -1).    
+ * The value of postShift is set by the user based on the expected gain through the system being modeled.    
+ *    
+ * \par Overflow and Saturation:    
+ * Overflow and saturation behavior of the fixed-point Q15 and Q31 versions are    
+ * described separately as part of the function specific documentation below.    
+ */
+
+/**    
+ * @addtogroup LMS    
+ * @{    
+ */
+
+/**           
+ * @details           
+ * This function operates on floating-point data types.       
+ *    
+ * @brief Processing function for floating-point LMS filter.    
+ * @param[in]  *S points to an instance of the floating-point LMS filter structure.    
+ * @param[in]  *pSrc points to the block of input data.    
+ * @param[in]  *pRef points to the block of reference data.    
+ * @param[out] *pOut points to the block of output data.    
+ * @param[out] *pErr points to the block of error data.    
+ * @param[in]  blockSize number of samples to process.    
+ * @return     none.    
+ */
+
+void arm_lms_f32(
+  const arm_lms_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pRef,
+  float32_t * pOut,
+  float32_t * pErr,
+  uint32_t blockSize)
+{
+  float32_t *pState = S->pState;                 /* State pointer */
+  float32_t *pCoeffs = S->pCoeffs;               /* Coefficient pointer */
+  float32_t *pStateCurnt;                        /* Points to the current sample of the state */
+  float32_t *px, *pb;                            /* Temporary pointers for state and coefficient buffers */
+  float32_t mu = S->mu;                          /* Adaptive factor */
+  uint32_t numTaps = S->numTaps;                 /* Number of filter coefficients in the filter */
+  uint32_t tapCnt, blkCnt;                       /* Loop counters */
+  float32_t sum, e, d;                           /* accumulator, error, reference data sample */
+  float32_t w = 0.0f;                            /* weight factor */
+
+  e = 0.0f;
+  d = 0.0f;
+
+  /* S->pState points to state array which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  blkCnt = blockSize;
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  while(blkCnt > 0u)
+  {
+    /* Copy the new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = (pCoeffs);
+
+    /* Set the accumulator to zero */
+    sum = 0.0f;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      sum += (*px++) * (*pb++);
+      sum += (*px++) * (*pb++);
+      sum += (*px++) * (*pb++);
+      sum += (*px++) * (*pb++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      sum += (*px++) * (*pb++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* The result in the accumulator, store in the destination buffer. */
+    *pOut++ = sum;
+
+    /* Compute and store error */
+    d = (float32_t) (*pRef++);
+    e = d - sum;
+    *pErr++ = e;
+
+    /* Calculation of Weighting factor for the updating filter coefficients */
+    w = e * mu;
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = (pCoeffs);
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Update filter coefficients */
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      *pb = *pb + (w * (*px++));
+      pb++;
+
+      *pb = *pb + (w * (*px++));
+      pb++;
+
+      *pb = *pb + (w * (*px++));
+      pb++;
+
+      *pb = *pb + (w * (*px++));
+      pb++;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      *pb = *pb + (w * (*px++));
+      pb++;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+
+  /* Processing is complete. Now copy the last numTaps - 1 samples to the    
+     satrt of the state buffer. This prepares the state buffer for the    
+     next function call. */
+
+  /* Points to the start of the pState buffer */
+  pStateCurnt = S->pState;
+
+  /* Loop unrolling for (numTaps - 1u) samples copy */
+  tapCnt = (numTaps - 1u) >> 2u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+  /* Calculate remaining number of copies */
+  tapCnt = (numTaps - 1u) % 0x4u;
+
+  /* Copy the remaining q31_t data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  while(blkCnt > 0u)
+  {
+    /* Copy the new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize pCoeffs pointer */
+    pb = pCoeffs;
+
+    /* Set the accumulator to zero */
+    sum = 0.0f;
+
+    /* Loop over numTaps number of values */
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      sum += (*px++) * (*pb++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* The result is stored in the destination buffer. */
+    *pOut++ = sum;
+
+    /* Compute and store error */
+    d = (float32_t) (*pRef++);
+    e = d - sum;
+    *pErr++ = e;
+
+    /* Weighting factor for the LMS version */
+    w = e * mu;
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize pCoeffs pointer */
+    pb = pCoeffs;
+
+    /* Loop over numTaps number of values */
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      *pb = *pb + (w * (*px++));
+      pb++;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+
+  /* Processing is complete. Now copy the last numTaps - 1 samples to the        
+   * start of the state buffer. This prepares the state buffer for the        
+   * next function call. */
+
+  /* Points to the start of the pState buffer */
+  pStateCurnt = S->pState;
+
+  /*  Copy (numTaps - 1u) samples  */
+  tapCnt = (numTaps - 1u);
+
+  /* Copy the data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+   * @} end of LMS group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_init_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_init_f32.c
new file mode 100644
index 0000000000..8030ba334b
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_init_f32.c
@@ -0,0 +1,90 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_lms_init_f32.c    
+*    
+* Description:  Floating-point LMS filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @addtogroup LMS    
+ * @{    
+ */
+
+  /**    
+   * @brief Initialization function for floating-point LMS filter.    
+   * @param[in] *S points to an instance of the floating-point LMS filter structure.    
+   * @param[in] numTaps  number of filter coefficients.    
+   * @param[in] *pCoeffs points to the coefficient buffer.    
+   * @param[in] *pState points to state buffer.    
+   * @param[in] mu step size that controls filter coefficient updates.    
+   * @param[in] blockSize number of samples to process.    
+   * @return none.    
+   */
+
+/**    
+ * \par Description:    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * The initial filter coefficients serve as a starting point for the adaptive filter.    
+ * pState points to an array of length numTaps+blockSize-1 samples, where blockSize is the number of input samples processed by each call to arm_lms_f32().    
+ */
+
+void arm_lms_init_f32(
+  arm_lms_instance_f32 * S,
+  uint16_t numTaps,
+  float32_t * pCoeffs,
+  float32_t * pState,
+  float32_t mu,
+  uint32_t blockSize)
+{
+  /* Assign filter taps */
+  S->numTaps = numTaps;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and size is always blockSize + numTaps */
+  memset(pState, 0, (numTaps + (blockSize - 1)) * sizeof(float32_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+  /* Assign Step size value */
+  S->mu = mu;
+}
+
+/**    
+ * @} end of LMS group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_init_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_init_q15.c
new file mode 100644
index 0000000000..e6dbf3467b
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_init_q15.c
@@ -0,0 +1,100 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_lms_init_q15.c    
+*    
+* Description:  Q15 LMS filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup LMS    
+ * @{    
+ */
+
+/**    
+* @brief Initialization function for the Q15 LMS filter.    
+* @param[in] *S points to an instance of the Q15 LMS filter structure.    
+* @param[in] numTaps  number of filter coefficients.    
+* @param[in] *pCoeffs points to the coefficient buffer.    
+* @param[in] *pState points to the state buffer.    
+* @param[in] mu step size that controls filter coefficient updates.    
+* @param[in] blockSize number of samples to process.    
+* @param[in] postShift bit shift applied to coefficients.    
+* @return    none.    
+*    
+* \par Description:    
+* pCoeffs points to the array of filter coefficients stored in time reversed order:    
+* 
    
+*    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+* 
    
+* The initial filter coefficients serve as a starting point for the adaptive filter.    
+* pState points to the array of state variables and size of array is    
+* numTaps+blockSize-1 samples, where blockSize is the number of    
+* input samples processed by each call to arm_lms_q15().    
+*/
+
+void arm_lms_init_q15(
+  arm_lms_instance_q15 * S,
+  uint16_t numTaps,
+  q15_t * pCoeffs,
+  q15_t * pState,
+  q15_t mu,
+  uint32_t blockSize,
+  uint32_t postShift)
+{
+  /* Assign filter taps */
+  S->numTaps = numTaps;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and size is always blockSize + numTaps - 1 */
+  memset(pState, 0, (numTaps + (blockSize - 1u)) * sizeof(q15_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+  /* Assign Step size value */
+  S->mu = mu;
+
+  /* Assign postShift value to be applied */
+  S->postShift = postShift;
+
+}
+
+/**    
+ * @} end of LMS group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_init_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_init_q31.c
new file mode 100644
index 0000000000..bb3dfcb2a8
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_init_q31.c
@@ -0,0 +1,100 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_lms_init_q31.c    
+*    
+* Description:  Q31 LMS filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup LMS    
+ * @{    
+ */
+
+  /**    
+   * @brief Initialization function for Q31 LMS filter.    
+   * @param[in] *S points to an instance of the Q31 LMS filter structure.    
+   * @param[in] numTaps  number of filter coefficients.    
+   * @param[in] *pCoeffs points to coefficient buffer.    
+   * @param[in] *pState points to state buffer.    
+   * @param[in] mu step size that controls filter coefficient updates.    
+   * @param[in] blockSize number of samples to process.    
+   * @param[in] postShift bit shift applied to coefficients.    
+   * @return none.    
+ *    
+ * \par Description:    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * The initial filter coefficients serve as a starting point for the adaptive filter.    
+ * pState points to an array of length numTaps+blockSize-1 samples,    
+ * where blockSize is the number of input samples processed by each call to    
+ * arm_lms_q31().    
+ */
+
+void arm_lms_init_q31(
+  arm_lms_instance_q31 * S,
+  uint16_t numTaps,
+  q31_t * pCoeffs,
+  q31_t * pState,
+  q31_t mu,
+  uint32_t blockSize,
+  uint32_t postShift)
+{
+  /* Assign filter taps */
+  S->numTaps = numTaps;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and size is always blockSize + numTaps - 1 */
+  memset(pState, 0, ((uint32_t) numTaps + (blockSize - 1u)) * sizeof(q31_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+  /* Assign Step size value */
+  S->mu = mu;
+
+  /* Assign postShift value to be applied */
+  S->postShift = postShift;
+
+}
+
+/**    
+ * @} end of LMS group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_f32.c
new file mode 100644
index 0000000000..3237f0f1b6
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_f32.c
@@ -0,0 +1,456 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_lms_norm_f32.c    
+*    
+* Description:	Processing function for the floating-point Normalised LMS.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @defgroup LMS_NORM Normalized LMS Filters    
+ *    
+ * This set of functions implements a commonly used adaptive filter.    
+ * It is related to the Least Mean Square (LMS) adaptive filter and includes an additional normalization    
+ * factor which increases the adaptation rate of the filter.    
+ * The CMSIS DSP Library contains normalized LMS filter functions that operate on Q15, Q31, and floating-point data types.    
+ *    
+ * A normalized least mean square (NLMS) filter consists of two components as shown below.    
+ * The first component is a standard transversal or FIR filter.    
+ * The second component is a coefficient update mechanism.    
+ * The NLMS filter has two input signals.    
+ * The "input" feeds the FIR filter while the "reference input" corresponds to the desired output of the FIR filter.    
+ * That is, the FIR filter coefficients are updated so that the output of the FIR filter matches the reference input.    
+ * The filter coefficient update mechanism is based on the difference between the FIR filter output and the reference input.    
+ * This "error signal" tends towards zero as the filter adapts.    
+ * The NLMS processing functions accept the input and reference input signals and generate the filter output and error signal.    
+ * \image html LMS.gif "Internal structure of the NLMS adaptive filter"    
+ *    
+ * The functions operate on blocks of data and each call to the function processes    
+ * blockSize samples through the filter.    
+ * pSrc points to input signal, pRef points to reference signal,    
+ * pOut points to output signal and pErr points to error signal.    
+ * All arrays contain blockSize values.    
+ *    
+ * The functions operate on a block-by-block basis.    
+ * Internally, the filter coefficients b[n] are updated on a sample-by-sample basis.    
+ * The convergence of the LMS filter is slower compared to the normalized LMS algorithm.    
+ *    
+ * \par Algorithm:    
+ * The output signal y[n] is computed by a standard FIR filter:    
+ * 
    
+ *     y[n] = b[0] * x[n] + b[1] * x[n-1] + b[2] * x[n-2] + ...+ b[numTaps-1] * x[n-numTaps+1]    
+ * 
    
+ *    
+ * \par    
+ * The error signal equals the difference between the reference signal d[n] and the filter output:    
+ * 
    
+ *     e[n] = d[n] - y[n].    
+ * 
    
+ *    
+ * \par    
+ * After each sample of the error signal is computed the instanteous energy of the filter state variables is calculated:    
+ * 
    
+ *    E = x[n]^2 + x[n-1]^2 + ... + x[n-numTaps+1]^2.    
+ * 
    
+ * The filter coefficients b[k] are then updated on a sample-by-sample basis:    
+ * 
    
+ *     b[k] = b[k] + e[n] * (mu/E) * x[n-k],  for k=0, 1, ..., numTaps-1    
+ * 
    
+ * where mu is the step size and controls the rate of coefficient convergence.    
+ *\par    
+ * In the APIs, pCoeffs points to a coefficient array of size numTaps.    
+ * Coefficients are stored in time reversed order.    
+ * \par    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * \par    
+ * pState points to a state array of size numTaps + blockSize - 1.    
+ * Samples in the state buffer are stored in the order:    
+ * \par    
+ * 
    
+ *    {x[n-numTaps+1], x[n-numTaps], x[n-numTaps-1], x[n-numTaps-2]....x[0], x[1], ..., x[blockSize-1]}    
+ * 
    
+ * \par    
+ * Note that the length of the state buffer exceeds the length of the coefficient array by blockSize-1 samples.    
+ * The increased state buffer length allows circular addressing, which is traditionally used in FIR filters,    
+ * to be avoided and yields a significant speed improvement.    
+ * The state variables are updated after each block of data is processed.    
+ * \par Instance Structure    
+ * The coefficients and state variables for a filter are stored together in an instance data structure.    
+ * A separate instance structure must be defined for each filter and    
+ * coefficient and state arrays cannot be shared among instances.    
+ * There are separate instance structure declarations for each of the 3 supported data types.    
+ *    
+ * \par Initialization Functions    
+ * There is also an associated initialization function for each data type.    
+ * The initialization function performs the following operations:    
+ * - Sets the values of the internal structure fields.    
+ * - Zeros out the values in the state buffer.    
+ * \par    
+ * Instance structure cannot be placed into a const data section and it is recommended to use the initialization function.    
+ * \par Fixed-Point Behavior:    
+ * Care must be taken when using the Q15 and Q31 versions of the normalised LMS filter.    
+ * The following issues must be considered:    
+ * - Scaling of coefficients    
+ * - Overflow and saturation    
+ *    
+ * \par Scaling of Coefficients:    
+ * Filter coefficients are represented as fractional values and    
+ * coefficients are restricted to lie in the range [-1 +1).    
+ * The fixed-point functions have an additional scaling parameter postShift.    
+ * At the output of the filter's accumulator is a shift register which shifts the result by postShift bits.    
+ * This essentially scales the filter coefficients by 2^postShift and    
+ * allows the filter coefficients to exceed the range [+1 -1).    
+ * The value of postShift is set by the user based on the expected gain through the system being modeled.    
+ *    
+ * \par Overflow and Saturation:    
+ * Overflow and saturation behavior of the fixed-point Q15 and Q31 versions are    
+ * described separately as part of the function specific documentation below.    
+ */
+
+
+/**    
+ * @addtogroup LMS_NORM    
+ * @{    
+ */
+
+
+  /**    
+   * @brief Processing function for floating-point normalized LMS filter.    
+   * @param[in] *S points to an instance of the floating-point normalized LMS filter structure.    
+   * @param[in] *pSrc points to the block of input data.    
+   * @param[in] *pRef points to the block of reference data.    
+   * @param[out] *pOut points to the block of output data.    
+   * @param[out] *pErr points to the block of error data.    
+   * @param[in] blockSize number of samples to process.    
+   * @return none.    
+   */
+
+void arm_lms_norm_f32(
+  arm_lms_norm_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pRef,
+  float32_t * pOut,
+  float32_t * pErr,
+  uint32_t blockSize)
+{
+  float32_t *pState = S->pState;                 /* State pointer */
+  float32_t *pCoeffs = S->pCoeffs;               /* Coefficient pointer */
+  float32_t *pStateCurnt;                        /* Points to the current sample of the state */
+  float32_t *px, *pb;                            /* Temporary pointers for state and coefficient buffers */
+  float32_t mu = S->mu;                          /* Adaptive factor */
+  uint32_t numTaps = S->numTaps;                 /* Number of filter coefficients in the filter */
+  uint32_t tapCnt, blkCnt;                       /* Loop counters */
+  float32_t energy;                              /* Energy of the input */
+  float32_t sum, e, d;                           /* accumulator, error, reference data sample */
+  float32_t w, x0, in;                           /* weight factor, temporary variable to hold input sample and state */
+
+  /* Initializations of error,  difference, Coefficient update */
+  e = 0.0f;
+  d = 0.0f;
+  w = 0.0f;
+
+  energy = S->energy;
+  x0 = S->x0;
+
+  /* S->pState points to buffer which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  while(blkCnt > 0u)
+  {
+    /* Copy the new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc;
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = (pCoeffs);
+
+    /* Read the sample from input buffer */
+    in = *pSrc++;
+
+    /* Update the energy calculation */
+    energy -= x0 * x0;
+    energy += in * in;
+
+    /* Set the accumulator to zero */
+    sum = 0.0f;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      sum += (*px++) * (*pb++);
+      sum += (*px++) * (*pb++);
+      sum += (*px++) * (*pb++);
+      sum += (*px++) * (*pb++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      sum += (*px++) * (*pb++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* The result in the accumulator, store in the destination buffer. */
+    *pOut++ = sum;
+
+    /* Compute and store error */
+    d = (float32_t) (*pRef++);
+    e = d - sum;
+    *pErr++ = e;
+
+    /* Calculation of Weighting factor for updating filter coefficients */
+    /* epsilon value 0.000000119209289f */
+    w = (e * mu) / (energy + 0.000000119209289f);
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = (pCoeffs);
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Update filter coefficients */
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      *pb += w * (*px++);
+      pb++;
+
+      *pb += w * (*px++);
+      pb++;
+
+      *pb += w * (*px++);
+      pb++;
+
+      *pb += w * (*px++);
+      pb++;
+
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      *pb += w * (*px++);
+      pb++;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    x0 = *pState;
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  S->energy = energy;
+  S->x0 = x0;
+
+  /* Processing is complete. Now copy the last numTaps - 1 samples to the    
+     satrt of the state buffer. This prepares the state buffer for the    
+     next function call. */
+
+  /* Points to the start of the pState buffer */
+  pStateCurnt = S->pState;
+
+  /* Loop unrolling for (numTaps - 1u)/4 samples copy */
+  tapCnt = (numTaps - 1u) >> 2u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+  /* Calculate remaining number of copies */
+  tapCnt = (numTaps - 1u) % 0x4u;
+
+  /* Copy the remaining q31_t data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  while(blkCnt > 0u)
+  {
+    /* Copy the new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc;
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize pCoeffs pointer */
+    pb = pCoeffs;
+
+    /* Read the sample from input buffer */
+    in = *pSrc++;
+
+    /* Update the energy calculation */
+    energy -= x0 * x0;
+    energy += in * in;
+
+    /* Set the accumulator to zero */
+    sum = 0.0f;
+
+    /* Loop over numTaps number of values */
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      sum += (*px++) * (*pb++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* The result in the accumulator is stored in the destination buffer. */
+    *pOut++ = sum;
+
+    /* Compute and store error */
+    d = (float32_t) (*pRef++);
+    e = d - sum;
+    *pErr++ = e;
+
+    /* Calculation of Weighting factor for updating filter coefficients */
+    /* epsilon value 0.000000119209289f */
+    w = (e * mu) / (energy + 0.000000119209289f);
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize pCcoeffs pointer */
+    pb = pCoeffs;
+
+    /* Loop over numTaps number of values */
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      *pb += w * (*px++);
+      pb++;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    x0 = *pState;
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  S->energy = energy;
+  S->x0 = x0;
+
+  /* Processing is complete. Now copy the last numTaps - 1 samples to the        
+     satrt of the state buffer. This prepares the state buffer for the        
+     next function call. */
+
+  /* Points to the start of the pState buffer */
+  pStateCurnt = S->pState;
+
+  /* Copy (numTaps - 1u) samples  */
+  tapCnt = (numTaps - 1u);
+
+  /* Copy the remaining q31_t data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+   * @} end of LMS_NORM group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_init_f32.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_init_f32.c
new file mode 100644
index 0000000000..6b7b6289e7
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_init_f32.c
@@ -0,0 +1,100 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_lms_norm_init_f32.c    
+*    
+* Description:  Floating-point NLMS filter initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup LMS_NORM    
+ * @{    
+ */
+
+  /**    
+   * @brief Initialization function for floating-point normalized LMS filter.    
+   * @param[in] *S points to an instance of the floating-point LMS filter structure.    
+   * @param[in] numTaps  number of filter coefficients.    
+   * @param[in] *pCoeffs points to coefficient buffer.    
+   * @param[in] *pState points to state buffer.    
+   * @param[in] mu step size that controls filter coefficient updates.    
+   * @param[in] blockSize number of samples to process.    
+   * @return none.    
+   *    
+ * \par Description:    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * The initial filter coefficients serve as a starting point for the adaptive filter.    
+ * pState points to an array of length numTaps+blockSize-1 samples,    
+ * where blockSize is the number of input samples processed by each call to arm_lms_norm_f32().    
+ */
+
+void arm_lms_norm_init_f32(
+  arm_lms_norm_instance_f32 * S,
+  uint16_t numTaps,
+  float32_t * pCoeffs,
+  float32_t * pState,
+  float32_t mu,
+  uint32_t blockSize)
+{
+  /* Assign filter taps */
+  S->numTaps = numTaps;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and size is always blockSize + numTaps - 1 */
+  memset(pState, 0, (numTaps + (blockSize - 1u)) * sizeof(float32_t));
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+  /* Assign Step size value */
+  S->mu = mu;
+
+  /* Initialise Energy to zero */
+  S->energy = 0.0f;
+
+  /* Initialise x0 to zero */
+  S->x0 = 0.0f;
+
+}
+
+/**    
+ * @} end of LMS_NORM group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_init_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_init_q15.c
new file mode 100644
index 0000000000..a70e97bffa
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_init_q15.c
@@ -0,0 +1,107 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_lms_norm_init_q15.c    
+*    
+* Description:  Q15 NLMS initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+/**    
+ * @addtogroup LMS_NORM    
+ * @{    
+ */
+
+  /**    
+   * @brief Initialization function for Q15 normalized LMS filter.    
+   * @param[in] *S points to an instance of the Q15 normalized LMS filter structure.    
+   * @param[in] numTaps  number of filter coefficients.    
+   * @param[in] *pCoeffs points to coefficient buffer.    
+   * @param[in] *pState points to state buffer.    
+   * @param[in] mu step size that controls filter coefficient updates.    
+   * @param[in] blockSize number of samples to process.    
+   * @param[in] postShift bit shift applied to coefficients.    
+   * @return none.    
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * The initial filter coefficients serve as a starting point for the adaptive filter.    
+ * pState points to the array of state variables and size of array is    
+ * numTaps+blockSize-1 samples, where blockSize is the number of input samples processed    
+ * by each call to arm_lms_norm_q15().    
+ */
+
+void arm_lms_norm_init_q15(
+  arm_lms_norm_instance_q15 * S,
+  uint16_t numTaps,
+  q15_t * pCoeffs,
+  q15_t * pState,
+  q15_t mu,
+  uint32_t blockSize,
+  uint8_t postShift)
+{
+  /* Assign filter taps */
+  S->numTaps = numTaps;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and size is always blockSize + numTaps - 1 */
+  memset(pState, 0, (numTaps + (blockSize - 1u)) * sizeof(q15_t));
+
+  /* Assign post Shift value applied to coefficients */
+  S->postShift = postShift;
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+  /* Assign Step size value */
+  S->mu = mu;
+
+  /* Initialize reciprocal pointer table */
+  S->recipTable = (q15_t *) armRecipTableQ15;
+
+  /* Initialise Energy to zero */
+  S->energy = 0;
+
+  /* Initialise x0 to zero */
+  S->x0 = 0;
+
+}
+
+/**    
+ * @} end of LMS_NORM group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_init_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_init_q31.c
new file mode 100644
index 0000000000..b539ecf92c
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_init_q31.c
@@ -0,0 +1,106 @@
+/*-----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_lms_norm_init_q31.c    
+*    
+* Description:  Q31 NLMS initialization function.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------*/
+
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+/**    
+ * @addtogroup LMS_NORM    
+ * @{    
+ */
+
+  /**    
+   * @brief Initialization function for Q31 normalized LMS filter.    
+   * @param[in] *S points to an instance of the Q31 normalized LMS filter structure.    
+   * @param[in] numTaps  number of filter coefficients.    
+   * @param[in] *pCoeffs points to coefficient buffer.    
+   * @param[in] *pState points to state buffer.    
+   * @param[in] mu step size that controls filter coefficient updates.    
+   * @param[in] blockSize number of samples to process.    
+   * @param[in] postShift bit shift applied to coefficients.    
+   * @return none.    
+ *    
+ * Description:    
+ * \par    
+ * pCoeffs points to the array of filter coefficients stored in time reversed order:    
+ * 
    
+ *    {b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}    
+ * 
    
+ * The initial filter coefficients serve as a starting point for the adaptive filter.    
+ * pState points to an array of length numTaps+blockSize-1 samples,    
+ * where blockSize is the number of input samples processed by each call to arm_lms_norm_q31().    
+ */
+
+void arm_lms_norm_init_q31(
+  arm_lms_norm_instance_q31 * S,
+  uint16_t numTaps,
+  q31_t * pCoeffs,
+  q31_t * pState,
+  q31_t mu,
+  uint32_t blockSize,
+  uint8_t postShift)
+{
+  /* Assign filter taps */
+  S->numTaps = numTaps;
+
+  /* Assign coefficient pointer */
+  S->pCoeffs = pCoeffs;
+
+  /* Clear state buffer and size is always blockSize + numTaps - 1  */
+  memset(pState, 0, (numTaps + (blockSize - 1u)) * sizeof(q31_t));
+
+  /* Assign post Shift value applied to coefficients */
+  S->postShift = postShift;
+
+  /* Assign state pointer */
+  S->pState = pState;
+
+  /* Assign Step size value */
+  S->mu = mu;
+
+  /* Initialize reciprocal pointer table */
+  S->recipTable = (q31_t *) armRecipTableQ31;
+
+  /* Initialise Energy to zero */
+  S->energy = 0;
+
+  /* Initialise x0 to zero */
+  S->x0 = 0;
+
+}
+
+/**    
+ * @} end of LMS_NORM group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_q15.c
new file mode 100644
index 0000000000..13f36a066c
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_q15.c
@@ -0,0 +1,435 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_lms_norm_q15.c    
+*    
+* Description:	Q15 NLMS filter.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup LMS_NORM    
+ * @{    
+ */
+
+/**    
+* @brief Processing function for Q15 normalized LMS filter.    
+* @param[in] *S points to an instance of the Q15 normalized LMS filter structure.    
+* @param[in] *pSrc points to the block of input data.    
+* @param[in] *pRef points to the block of reference data.    
+* @param[out] *pOut points to the block of output data.    
+* @param[out] *pErr points to the block of error data.    
+* @param[in] blockSize number of samples to process.    
+* @return none.    
+*    
+* Scaling and Overflow Behavior:     
+* \par     
+* The function is implemented using a 64-bit internal accumulator.     
+* Both coefficients and state variables are represented in 1.15 format and    
+* multiplications yield a 2.30 result. The 2.30 intermediate results are    
+* accumulated in a 64-bit accumulator in 34.30 format.     
+* There is no risk of internal overflow with this approach and the full    
+* precision of intermediate multiplications is preserved. After all additions    
+* have been performed, the accumulator is truncated to 34.15 format by    
+* discarding low 15 bits. Lastly, the accumulator is saturated to yield a    
+* result in 1.15 format.    
+*    
+* \par   
+* 	In this filter, filter coefficients are updated for each sample and the updation of filter cofficients are saturted.    
+*    
+ */
+
+void arm_lms_norm_q15(
+  arm_lms_norm_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pRef,
+  q15_t * pOut,
+  q15_t * pErr,
+  uint32_t blockSize)
+{
+  q15_t *pState = S->pState;                     /* State pointer */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q15_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q15_t *px, *pb;                                /* Temporary pointers for state and coefficient buffers */
+  q15_t mu = S->mu;                              /* Adaptive factor */
+  uint32_t numTaps = S->numTaps;                 /* Number of filter coefficients in the filter */
+  uint32_t tapCnt, blkCnt;                       /* Loop counters */
+  q31_t energy;                                  /* Energy of the input */
+  q63_t acc;                                     /* Accumulator */
+  q15_t e = 0, d = 0;                            /* error, reference data sample */
+  q15_t w = 0, in;                               /* weight factor and state */
+  q15_t x0;                                      /* temporary variable to hold input sample */
+  //uint32_t shift = (uint32_t) S->postShift + 1u; /* Shift to be applied to the output */ 
+  q15_t errorXmu, oneByEnergy;                   /* Temporary variables to store error and mu product and reciprocal of energy */
+  q15_t postShift;                               /* Post shift to be applied to weight after reciprocal calculation */
+  q31_t coef;                                    /* Teporary variable for coefficient */
+  q31_t acc_l, acc_h;
+  int32_t lShift = (15 - (int32_t) S->postShift);       /*  Post shift  */
+  int32_t uShift = (32 - lShift);
+
+  energy = S->energy;
+  x0 = S->x0;
+
+  /* S->pState points to buffer which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  while(blkCnt > 0u)
+  {
+    /* Copy the new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc;
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = (pCoeffs);
+
+    /* Read the sample from input buffer */
+    in = *pSrc++;
+
+    /* Update the energy calculation */
+    energy -= (((q31_t) x0 * (x0)) >> 15);
+    energy += (((q31_t) in * (in)) >> 15);
+
+    /* Set the accumulator to zero */
+    acc = 0;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    while(tapCnt > 0u)
+    {
+
+      /* Perform the multiply-accumulate */
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+      acc = __SMLALD(*__SIMD32(px)++, (*__SIMD32(pb)++), acc);
+      acc = __SMLALD(*__SIMD32(px)++, (*__SIMD32(pb)++), acc);
+
+#else
+
+      acc += (((q31_t) * px++ * (*pb++)));
+      acc += (((q31_t) * px++ * (*pb++)));
+      acc += (((q31_t) * px++ * (*pb++)));
+      acc += (((q31_t) * px++ * (*pb++)));
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      acc += (((q31_t) * px++ * (*pb++)));
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Calc lower part of acc */
+    acc_l = acc & 0xffffffff;
+
+    /* Calc upper part of acc */
+    acc_h = (acc >> 32) & 0xffffffff;
+
+    /* Apply shift for lower part of acc and upper part of acc */
+    acc = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+    /* Converting the result to 1.15 format and saturate the output */
+    acc = __SSAT(acc, 16u);
+
+    /* Store the result from accumulator into the destination buffer. */
+    *pOut++ = (q15_t) acc;
+
+    /* Compute and store error */
+    d = *pRef++;
+    e = d - (q15_t) acc;
+    *pErr++ = e;
+
+    /* Calculation of 1/energy */
+    postShift = arm_recip_q15((q15_t) energy + DELTA_Q15,
+                              &oneByEnergy, S->recipTable);
+
+    /* Calculation of e * mu value */
+    errorXmu = (q15_t) (((q31_t) e * mu) >> 15);
+
+    /* Calculation of (e * mu) * (1/energy) value */
+    acc = (((q31_t) errorXmu * oneByEnergy) >> (15 - postShift));
+
+    /* Weighting factor for the normalized version */
+    w = (q15_t) __SSAT((q31_t) acc, 16);
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = (pCoeffs);
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Update filter coefficients */
+    while(tapCnt > 0u)
+    {
+      coef = *pb + (((q31_t) w * (*px++)) >> 15);
+      *pb++ = (q15_t) __SSAT((coef), 16);
+      coef = *pb + (((q31_t) w * (*px++)) >> 15);
+      *pb++ = (q15_t) __SSAT((coef), 16);
+      coef = *pb + (((q31_t) w * (*px++)) >> 15);
+      *pb++ = (q15_t) __SSAT((coef), 16);
+      coef = *pb + (((q31_t) w * (*px++)) >> 15);
+      *pb++ = (q15_t) __SSAT((coef), 16);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      coef = *pb + (((q31_t) w * (*px++)) >> 15);
+      *pb++ = (q15_t) __SSAT((coef), 16);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Read the sample from state buffer */
+    x0 = *pState;
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Save energy and x0 values for the next frame */
+  S->energy = (q15_t) energy;
+  S->x0 = x0;
+
+  /* Processing is complete. Now copy the last numTaps - 1 samples to the    
+     satrt of the state buffer. This prepares the state buffer for the    
+     next function call. */
+
+  /* Points to the start of the pState buffer */
+  pStateCurnt = S->pState;
+
+  /* Calculation of count for copying integer writes */
+  tapCnt = (numTaps - 1u) >> 2;
+
+  while(tapCnt > 0u)
+  {
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pState)++;
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pState)++;
+
+#else
+
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+#endif
+
+    tapCnt--;
+
+  }
+
+  /* Calculation of count for remaining q15_t data */
+  tapCnt = (numTaps - 1u) % 0x4u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  while(blkCnt > 0u)
+  {
+    /* Copy the new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc;
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize pCoeffs pointer */
+    pb = pCoeffs;
+
+    /* Read the sample from input buffer */
+    in = *pSrc++;
+
+    /* Update the energy calculation */
+    energy -= (((q31_t) x0 * (x0)) >> 15);
+    energy += (((q31_t) in * (in)) >> 15);
+
+    /* Set the accumulator to zero */
+    acc = 0;
+
+    /* Loop over numTaps number of values */
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      acc += (((q31_t) * px++ * (*pb++)));
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Calc lower part of acc */
+    acc_l = acc & 0xffffffff;
+
+    /* Calc upper part of acc */
+    acc_h = (acc >> 32) & 0xffffffff;
+
+    /* Apply shift for lower part of acc and upper part of acc */
+    acc = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+    /* Converting the result to 1.15 format and saturate the output */
+    acc = __SSAT(acc, 16u);
+
+    /* Converting the result to 1.15 format */
+    //acc = __SSAT((acc >> (16u - shift)), 16u); 
+
+    /* Store the result from accumulator into the destination buffer. */
+    *pOut++ = (q15_t) acc;
+
+    /* Compute and store error */
+    d = *pRef++;
+    e = d - (q15_t) acc;
+    *pErr++ = e;
+
+    /* Calculation of 1/energy */
+    postShift = arm_recip_q15((q15_t) energy + DELTA_Q15,
+                              &oneByEnergy, S->recipTable);
+
+    /* Calculation of e * mu value */
+    errorXmu = (q15_t) (((q31_t) e * mu) >> 15);
+
+    /* Calculation of (e * mu) * (1/energy) value */
+    acc = (((q31_t) errorXmu * oneByEnergy) >> (15 - postShift));
+
+    /* Weighting factor for the normalized version */
+    w = (q15_t) __SSAT((q31_t) acc, 16);
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = (pCoeffs);
+
+    /* Loop over numTaps number of values */
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      coef = *pb + (((q31_t) w * (*px++)) >> 15);
+      *pb++ = (q15_t) __SSAT((coef), 16);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Read the sample from state buffer */
+    x0 = *pState;
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Save energy and x0 values for the next frame */
+  S->energy = (q15_t) energy;
+  S->x0 = x0;
+
+  /* Processing is complete. Now copy the last numTaps - 1 samples to the        
+     satrt of the state buffer. This prepares the state buffer for the        
+     next function call. */
+
+  /* Points to the start of the pState buffer */
+  pStateCurnt = S->pState;
+
+  /* copy (numTaps - 1u) data */
+  tapCnt = (numTaps - 1u);
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+
+/**    
+   * @} end of LMS_NORM group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_q31.c
new file mode 100644
index 0000000000..fee7015b0b
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_norm_q31.c
@@ -0,0 +1,426 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_lms_norm_q31.c    
+*    
+* Description:	Processing function for the Q31 NLMS filter.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup LMS_NORM    
+ * @{    
+ */
+
+/**    
+* @brief Processing function for Q31 normalized LMS filter.    
+* @param[in] *S points to an instance of the Q31 normalized LMS filter structure.    
+* @param[in] *pSrc points to the block of input data.    
+* @param[in] *pRef points to the block of reference data.    
+* @param[out] *pOut points to the block of output data.    
+* @param[out] *pErr points to the block of error data.    
+* @param[in] blockSize number of samples to process.    
+* @return none.    
+*    
+* Scaling and Overflow Behavior:     
+* \par     
+* The function is implemented using an internal 64-bit accumulator.     
+* The accumulator has a 2.62 format and maintains full precision of the intermediate   
+* multiplication results but provides only a single guard bit.     
+* Thus, if the accumulator result overflows it wraps around rather than clip.     
+* In order to avoid overflows completely the input signal must be scaled down by    
+* log2(numTaps) bits. The reference signal should not be scaled down.     
+* After all multiply-accumulates are performed, the 2.62 accumulator is shifted    
+* and saturated to 1.31 format to yield the final result.     
+* The output signal and error signal are in 1.31 format.     
+*    
+* \par    
+* 	In this filter, filter coefficients are updated for each sample and the    
+* updation of filter cofficients are saturted.    
+*     
+*/
+
+void arm_lms_norm_q31(
+  arm_lms_norm_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pRef,
+  q31_t * pOut,
+  q31_t * pErr,
+  uint32_t blockSize)
+{
+  q31_t *pState = S->pState;                     /* State pointer */
+  q31_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q31_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q31_t *px, *pb;                                /* Temporary pointers for state and coefficient buffers */
+  q31_t mu = S->mu;                              /* Adaptive factor */
+  uint32_t numTaps = S->numTaps;                 /* Number of filter coefficients in the filter */
+  uint32_t tapCnt, blkCnt;                       /* Loop counters */
+  q63_t energy;                                  /* Energy of the input */
+  q63_t acc;                                     /* Accumulator */
+  q31_t e = 0, d = 0;                            /* error, reference data sample */
+  q31_t w = 0, in;                               /* weight factor and state */
+  q31_t x0;                                      /* temporary variable to hold input sample */
+//  uint32_t shift = 32u - ((uint32_t) S->postShift + 1u);        /* Shift to be applied to the output */      
+  q31_t errorXmu, oneByEnergy;                   /* Temporary variables to store error and mu product and reciprocal of energy */
+  q31_t postShift;                               /* Post shift to be applied to weight after reciprocal calculation */
+  q31_t coef;                                    /* Temporary variable for coef */
+  q31_t acc_l, acc_h;                            /*  temporary input */
+  uint32_t uShift = ((uint32_t) S->postShift + 1u);
+  uint32_t lShift = 32u - uShift;                /*  Shift to be applied to the output */
+
+  energy = S->energy;
+  x0 = S->x0;
+
+  /* S->pState points to buffer which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  while(blkCnt > 0u)
+  {
+
+    /* Copy the new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc;
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = (pCoeffs);
+
+    /* Read the sample from input buffer */
+    in = *pSrc++;
+
+    /* Update the energy calculation */
+    energy = (q31_t) ((((q63_t) energy << 32) -
+                       (((q63_t) x0 * x0) << 1)) >> 32);
+    energy = (q31_t) (((((q63_t) in * in) << 1) + (energy << 32)) >> 32);
+
+    /* Set the accumulator to zero */
+    acc = 0;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      acc += ((q63_t) (*px++)) * (*pb++);
+      acc += ((q63_t) (*px++)) * (*pb++);
+      acc += ((q63_t) (*px++)) * (*pb++);
+      acc += ((q63_t) (*px++)) * (*pb++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      acc += ((q63_t) (*px++)) * (*pb++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Converting the result to 1.31 format */
+    /* Calc lower part of acc */
+    acc_l = acc & 0xffffffff;
+
+    /* Calc upper part of acc */
+    acc_h = (acc >> 32) & 0xffffffff;
+
+    acc = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+    /* Store the result from accumulator into the destination buffer. */
+    *pOut++ = (q31_t) acc;
+
+    /* Compute and store error */
+    d = *pRef++;
+    e = d - (q31_t) acc;
+    *pErr++ = e;
+
+    /* Calculates the reciprocal of energy */
+    postShift = arm_recip_q31(energy + DELTA_Q31,
+                              &oneByEnergy, &S->recipTable[0]);
+
+    /* Calculation of product of (e * mu) */
+    errorXmu = (q31_t) (((q63_t) e * mu) >> 31);
+
+    /* Weighting factor for the normalized version */
+    w = clip_q63_to_q31(((q63_t) errorXmu * oneByEnergy) >> (31 - postShift));
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = (pCoeffs);
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Update filter coefficients */
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+
+      /* coef is in 2.30 format */
+      coef = (q31_t) (((q63_t) w * (*px++)) >> (32));
+      /* get coef in 1.31 format by left shifting */
+      *pb = clip_q63_to_q31((q63_t) * pb + (coef << 1u));
+      /* update coefficient buffer to next coefficient */
+      pb++;
+
+      coef = (q31_t) (((q63_t) w * (*px++)) >> (32));
+      *pb = clip_q63_to_q31((q63_t) * pb + (coef << 1u));
+      pb++;
+
+      coef = (q31_t) (((q63_t) w * (*px++)) >> (32));
+      *pb = clip_q63_to_q31((q63_t) * pb + (coef << 1u));
+      pb++;
+
+      coef = (q31_t) (((q63_t) w * (*px++)) >> (32));
+      *pb = clip_q63_to_q31((q63_t) * pb + (coef << 1u));
+      pb++;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      coef = (q31_t) (((q63_t) w * (*px++)) >> (32));
+      *pb = clip_q63_to_q31((q63_t) * pb + (coef << 1u));
+      pb++;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Read the sample from state buffer */
+    x0 = *pState;
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Save energy and x0 values for the next frame */
+  S->energy = (q31_t) energy;
+  S->x0 = x0;
+
+  /* Processing is complete. Now copy the last numTaps - 1 samples to the    
+     satrt of the state buffer. This prepares the state buffer for the    
+     next function call. */
+
+  /* Points to the start of the pState buffer */
+  pStateCurnt = S->pState;
+
+  /* Loop unrolling for (numTaps - 1u) samples copy */
+  tapCnt = (numTaps - 1u) >> 2u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+  /* Calculate remaining number of copies */
+  tapCnt = (numTaps - 1u) % 0x4u;
+
+  /* Copy the remaining q31_t data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  while(blkCnt > 0u)
+  {
+
+    /* Copy the new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc;
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize pCoeffs pointer */
+    pb = pCoeffs;
+
+    /* Read the sample from input buffer */
+    in = *pSrc++;
+
+    /* Update the energy calculation */
+    energy =
+      (q31_t) ((((q63_t) energy << 32) - (((q63_t) x0 * x0) << 1)) >> 32);
+    energy = (q31_t) (((((q63_t) in * in) << 1) + (energy << 32)) >> 32);
+
+    /* Set the accumulator to zero */
+    acc = 0;
+
+    /* Loop over numTaps number of values */
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      acc += ((q63_t) (*px++)) * (*pb++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Converting the result to 1.31 format */
+    /* Converting the result to 1.31 format */
+    /* Calc lower part of acc */
+    acc_l = acc & 0xffffffff;
+
+    /* Calc upper part of acc */
+    acc_h = (acc >> 32) & 0xffffffff;
+
+    acc = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+
+    //acc = (q31_t) (acc >> shift); 
+
+    /* Store the result from accumulator into the destination buffer. */
+    *pOut++ = (q31_t) acc;
+
+    /* Compute and store error */
+    d = *pRef++;
+    e = d - (q31_t) acc;
+    *pErr++ = e;
+
+    /* Calculates the reciprocal of energy */
+    postShift =
+      arm_recip_q31(energy + DELTA_Q31, &oneByEnergy, &S->recipTable[0]);
+
+    /* Calculation of product of (e * mu) */
+    errorXmu = (q31_t) (((q63_t) e * mu) >> 31);
+
+    /* Weighting factor for the normalized version */
+    w = clip_q63_to_q31(((q63_t) errorXmu * oneByEnergy) >> (31 - postShift));
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize coeff pointer */
+    pb = (pCoeffs);
+
+    /* Loop over numTaps number of values */
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      /* coef is in 2.30 format */
+      coef = (q31_t) (((q63_t) w * (*px++)) >> (32));
+      /* get coef in 1.31 format by left shifting */
+      *pb = clip_q63_to_q31((q63_t) * pb + (coef << 1u));
+      /* update coefficient buffer to next coefficient */
+      pb++;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Read the sample from state buffer */
+    x0 = *pState;
+
+    /* Advance state pointer by 1 for the next sample */
+    pState = pState + 1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Save energy and x0 values for the next frame */
+  S->energy = (q31_t) energy;
+  S->x0 = x0;
+
+  /* Processing is complete. Now copy the last numTaps - 1 samples to the     
+     start of the state buffer. This prepares the state buffer for the        
+     next function call. */
+
+  /* Points to the start of the pState buffer */
+  pStateCurnt = S->pState;
+
+  /* Loop for (numTaps - 1u) samples copy */
+  tapCnt = (numTaps - 1u);
+
+  /* Copy the remaining q31_t data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of LMS_NORM group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_q15.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_q15.c
new file mode 100644
index 0000000000..bb225d3c2e
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_q15.c
@@ -0,0 +1,374 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_lms_q15.c    
+*    
+* Description:	Processing function for the Q15 LMS filter.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup LMS    
+ * @{    
+ */
+
+ /**    
+ * @brief Processing function for Q15 LMS filter.    
+ * @param[in] *S points to an instance of the Q15 LMS filter structure.    
+ * @param[in] *pSrc points to the block of input data.    
+ * @param[in] *pRef points to the block of reference data.    
+ * @param[out] *pOut points to the block of output data.    
+ * @param[out] *pErr points to the block of error data.    
+ * @param[in] blockSize number of samples to process.    
+ * @return none.    
+ *    
+ * \par Scaling and Overflow Behavior:    
+ * The function is implemented using a 64-bit internal accumulator.    
+ * Both coefficients and state variables are represented in 1.15 format and multiplications yield a 2.30 result.    
+ * The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format.    
+ * There is no risk of internal overflow with this approach and the full precision of intermediate multiplications is preserved.    
+ * After all additions have been performed, the accumulator is truncated to 34.15 format by discarding low 15 bits.    
+ * Lastly, the accumulator is saturated to yield a result in 1.15 format.    
+ *   
+ * \par   
+ * 	In this filter, filter coefficients are updated for each sample and the updation of filter cofficients are saturted.   
+ *    
+ */
+
+void arm_lms_q15(
+  const arm_lms_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pRef,
+  q15_t * pOut,
+  q15_t * pErr,
+  uint32_t blockSize)
+{
+  q15_t *pState = S->pState;                     /* State pointer */
+  uint32_t numTaps = S->numTaps;                 /* Number of filter coefficients in the filter */
+  q15_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q15_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q15_t mu = S->mu;                              /* Adaptive factor */
+  q15_t *px;                                     /* Temporary pointer for state */
+  q15_t *pb;                                     /* Temporary pointer for coefficient buffer */
+  uint32_t tapCnt, blkCnt;                       /* Loop counters */
+  q63_t acc;                                     /* Accumulator */
+  q15_t e = 0;                                   /* error of data sample */
+  q15_t alpha;                                   /* Intermediate constant for taps update */
+  q31_t acc_l, acc_h;
+  int32_t lShift = (15 - (int32_t) S->postShift);       /*  Post shift  */
+  int32_t uShift = (32 - lShift);
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t coef;                                    /* Teporary variable for coefficient */
+
+  /* S->pState points to buffer which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Initializing blkCnt with blockSize */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* Copy the new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coefficient pointer */
+    pb = pCoeffs;
+
+    /* Set the accumulator to zero */
+    acc = 0;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2u;
+
+    while(tapCnt > 0u)
+    {
+      /* acc +=  b[N] * x[n-N] + b[N-1] * x[n-N-1] */
+      /* Perform the multiply-accumulate */
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+      acc = __SMLALD(*__SIMD32(px)++, (*__SIMD32(pb)++), acc);
+      acc = __SMLALD(*__SIMD32(px)++, (*__SIMD32(pb)++), acc);
+
+#else
+
+      acc += (q63_t) (((q31_t) (*px++) * (*pb++)));
+      acc += (q63_t) (((q31_t) (*px++) * (*pb++)));
+      acc += (q63_t) (((q31_t) (*px++) * (*pb++)));
+      acc += (q63_t) (((q31_t) (*px++) * (*pb++)));
+
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      acc += (q63_t) (((q31_t) (*px++) * (*pb++)));
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Calc lower part of acc */
+    acc_l = acc & 0xffffffff;
+
+    /* Calc upper part of acc */
+    acc_h = (acc >> 32) & 0xffffffff;
+
+    /* Apply shift for lower part of acc and upper part of acc */
+    acc = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+    /* Converting the result to 1.15 format and saturate the output */
+    acc = __SSAT(acc, 16);
+
+    /* Store the result from accumulator into the destination buffer. */
+    *pOut++ = (q15_t) acc;
+
+    /* Compute and store error */
+    e = *pRef++ - (q15_t) acc;
+
+    *pErr++ = (q15_t) e;
+
+    /* Compute alpha i.e. intermediate constant for taps update */
+    alpha = (q15_t) (((q31_t) e * (mu)) >> 15);
+
+    /* Initialize state pointer */
+    /* Advance state pointer by 1 for the next sample */
+    px = pState++;
+
+    /* Initialize coefficient pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2u;
+
+    /* Update filter coefficients */
+    while(tapCnt > 0u)
+    {
+      coef = (q31_t) * pb + (((q31_t) alpha * (*px++)) >> 15);
+      *pb++ = (q15_t) __SSAT((coef), 16);
+      coef = (q31_t) * pb + (((q31_t) alpha * (*px++)) >> 15);
+      *pb++ = (q15_t) __SSAT((coef), 16);
+      coef = (q31_t) * pb + (((q31_t) alpha * (*px++)) >> 15);
+      *pb++ = (q15_t) __SSAT((coef), 16);
+      coef = (q31_t) * pb + (((q31_t) alpha * (*px++)) >> 15);
+      *pb++ = (q15_t) __SSAT((coef), 16);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      coef = (q31_t) * pb + (((q31_t) alpha * (*px++)) >> 15);
+      *pb++ = (q15_t) __SSAT((coef), 16);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Decrement the loop counter */
+    blkCnt--;
+
+  }
+
+  /* Processing is complete. Now copy the last numTaps - 1 samples to the    
+     satrt of the state buffer. This prepares the state buffer for the    
+     next function call. */
+
+  /* Points to the start of the pState buffer */
+  pStateCurnt = S->pState;
+
+  /* Calculation of count for copying integer writes */
+  tapCnt = (numTaps - 1u) >> 2;
+
+  while(tapCnt > 0u)
+  {
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pState)++;
+    *__SIMD32(pStateCurnt)++ = *__SIMD32(pState)++;
+#else
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+#endif
+
+    tapCnt--;
+
+  }
+
+  /* Calculation of count for remaining q15_t data */
+  tapCnt = (numTaps - 1u) % 0x4u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* S->pState points to buffer which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* Copy the new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize pCoeffs pointer */
+    pb = pCoeffs;
+
+    /* Set the accumulator to zero */
+    acc = 0;
+
+    /* Loop over numTaps number of values */
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      acc += (q63_t) ((q31_t) (*px++) * (*pb++));
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Calc lower part of acc */
+    acc_l = acc & 0xffffffff;
+
+    /* Calc upper part of acc */
+    acc_h = (acc >> 32) & 0xffffffff;
+
+    /* Apply shift for lower part of acc and upper part of acc */
+    acc = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+    /* Converting the result to 1.15 format and saturate the output */
+    acc = __SSAT(acc, 16);
+
+    /* Store the result from accumulator into the destination buffer. */
+    *pOut++ = (q15_t) acc;
+
+    /* Compute and store error */
+    e = *pRef++ - (q15_t) acc;
+
+    *pErr++ = (q15_t) e;
+
+    /* Compute alpha i.e. intermediate constant for taps update */
+    alpha = (q15_t) (((q31_t) e * (mu)) >> 15);
+
+    /* Initialize pState pointer */
+    /* Advance state pointer by 1 for the next sample */
+    px = pState++;
+
+    /* Initialize pCoeffs pointer */
+    pb = pCoeffs;
+
+    /* Loop over numTaps number of values */
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      *pb++ += (q15_t) (((q31_t) alpha * (*px++)) >> 15);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Decrement the loop counter */
+    blkCnt--;
+
+  }
+
+  /* Processing is complete. Now copy the last numTaps - 1 samples to the        
+     start of the state buffer. This prepares the state buffer for the   
+     next function call. */
+
+  /* Points to the start of the pState buffer */
+  pStateCurnt = S->pState;
+
+  /*  Copy (numTaps - 1u) samples  */
+  tapCnt = (numTaps - 1u);
+
+  /* Copy the data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+   * @} end of LMS group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_q31.c b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_q31.c
new file mode 100644
index 0000000000..96ae9ecf65
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/FilteringFunctions/arm_lms_q31.c
@@ -0,0 +1,364 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_lms_q31.c    
+*    
+* Description:	Processing function for the Q31 LMS filter.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+/**    
+ * @ingroup groupFilters    
+ */
+
+/**    
+ * @addtogroup LMS    
+ * @{    
+ */
+
+ /**    
+ * @brief Processing function for Q31 LMS filter.    
+ * @param[in]  *S points to an instance of the Q15 LMS filter structure.    
+ * @param[in]  *pSrc points to the block of input data.    
+ * @param[in]  *pRef points to the block of reference data.    
+ * @param[out] *pOut points to the block of output data.    
+ * @param[out] *pErr points to the block of error data.    
+ * @param[in]  blockSize number of samples to process.    
+ * @return     none.    
+ *    
+ * \par Scaling and Overflow Behavior:     
+ * The function is implemented using an internal 64-bit accumulator.     
+ * The accumulator has a 2.62 format and maintains full precision of the intermediate    
+ * multiplication results but provides only a single guard bit.     
+ * Thus, if the accumulator result overflows it wraps around rather than clips.     
+ * In order to avoid overflows completely the input signal must be scaled down by    
+ * log2(numTaps) bits.     
+ * The reference signal should not be scaled down.     
+ * After all multiply-accumulates are performed, the 2.62 accumulator is shifted    
+ * and saturated to 1.31 format to yield the final result.     
+ * The output signal and error signal are in 1.31 format.     
+ *    
+ * \par    
+ * 	In this filter, filter coefficients are updated for each sample and the updation of filter cofficients are saturted.    
+ */
+
+void arm_lms_q31(
+  const arm_lms_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pRef,
+  q31_t * pOut,
+  q31_t * pErr,
+  uint32_t blockSize)
+{
+  q31_t *pState = S->pState;                     /* State pointer */
+  uint32_t numTaps = S->numTaps;                 /* Number of filter coefficients in the filter */
+  q31_t *pCoeffs = S->pCoeffs;                   /* Coefficient pointer */
+  q31_t *pStateCurnt;                            /* Points to the current sample of the state */
+  q31_t mu = S->mu;                              /* Adaptive factor */
+  q31_t *px;                                     /* Temporary pointer for state */
+  q31_t *pb;                                     /* Temporary pointer for coefficient buffer */
+  uint32_t tapCnt, blkCnt;                       /* Loop counters */
+  q63_t acc;                                     /* Accumulator */
+  q31_t e = 0;                                   /* error of data sample */
+  q31_t alpha;                                   /* Intermediate constant for taps update */
+  q31_t coef;                                    /* Temporary variable for coef */
+  q31_t acc_l, acc_h;                            /*  temporary input */
+  uint32_t uShift = ((uint32_t) S->postShift + 1u);
+  uint32_t lShift = 32u - uShift;                /*  Shift to be applied to the output */
+
+  /* S->pState points to buffer which contains previous frame (numTaps - 1) samples */
+  /* pStateCurnt points to the location where the new input data should be written */
+  pStateCurnt = &(S->pState[(numTaps - 1u)]);
+
+  /* Initializing blkCnt with blockSize */
+  blkCnt = blockSize;
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  while(blkCnt > 0u)
+  {
+    /* Copy the new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Initialize state pointer */
+    px = pState;
+
+    /* Initialize coefficient pointer */
+    pb = pCoeffs;
+
+    /* Set the accumulator to zero */
+    acc = 0;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      /* acc +=  b[N] * x[n-N] */
+      acc += ((q63_t) (*px++)) * (*pb++);
+
+      /* acc +=  b[N-1] * x[n-N-1] */
+      acc += ((q63_t) (*px++)) * (*pb++);
+
+      /* acc +=  b[N-2] * x[n-N-2] */
+      acc += ((q63_t) (*px++)) * (*pb++);
+
+      /* acc +=  b[N-3] * x[n-N-3] */
+      acc += ((q63_t) (*px++)) * (*pb++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      acc += ((q63_t) (*px++)) * (*pb++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Converting the result to 1.31 format */
+    /* Calc lower part of acc */
+    acc_l = acc & 0xffffffff;
+
+    /* Calc upper part of acc */
+    acc_h = (acc >> 32) & 0xffffffff;
+
+    acc = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+    /* Store the result from accumulator into the destination buffer. */
+    *pOut++ = (q31_t) acc;
+
+    /* Compute and store error */
+    e = *pRef++ - (q31_t) acc;
+
+    *pErr++ = (q31_t) e;
+
+    /* Compute alpha i.e. intermediate constant for taps update */
+    alpha = (q31_t) (((q63_t) e * mu) >> 31);
+
+    /* Initialize state pointer */
+    /* Advance state pointer by 1 for the next sample */
+    px = pState++;
+
+    /* Initialize coefficient pointer */
+    pb = pCoeffs;
+
+    /* Loop unrolling.  Process 4 taps at a time. */
+    tapCnt = numTaps >> 2;
+
+    /* Update filter coefficients */
+    while(tapCnt > 0u)
+    {
+      /* coef is in 2.30 format */
+      coef = (q31_t) (((q63_t) alpha * (*px++)) >> (32));
+      /* get coef in 1.31 format by left shifting */
+      *pb = clip_q63_to_q31((q63_t) * pb + (coef << 1u));
+      /* update coefficient buffer to next coefficient */
+      pb++;
+
+      coef = (q31_t) (((q63_t) alpha * (*px++)) >> (32));
+      *pb = clip_q63_to_q31((q63_t) * pb + (coef << 1u));
+      pb++;
+
+      coef = (q31_t) (((q63_t) alpha * (*px++)) >> (32));
+      *pb = clip_q63_to_q31((q63_t) * pb + (coef << 1u));
+      pb++;
+
+      coef = (q31_t) (((q63_t) alpha * (*px++)) >> (32));
+      *pb = clip_q63_to_q31((q63_t) * pb + (coef << 1u));
+      pb++;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* If the filter length is not a multiple of 4, compute the remaining filter taps */
+    tapCnt = numTaps % 0x4u;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      coef = (q31_t) (((q63_t) alpha * (*px++)) >> (32));
+      *pb = clip_q63_to_q31((q63_t) * pb + (coef << 1u));
+      pb++;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete. Now copy the last numTaps - 1 samples to the    
+     satrt of the state buffer. This prepares the state buffer for the    
+     next function call. */
+
+  /* Points to the start of the pState buffer */
+  pStateCurnt = S->pState;
+
+  /* Loop unrolling for (numTaps - 1u) samples copy */
+  tapCnt = (numTaps - 1u) >> 2u;
+
+  /* copy data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+  /* Calculate remaining number of copies */
+  tapCnt = (numTaps - 1u) % 0x4u;
+
+  /* Copy the remaining q31_t data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  while(blkCnt > 0u)
+  {
+    /* Copy the new input sample into the state buffer */
+    *pStateCurnt++ = *pSrc++;
+
+    /* Initialize pState pointer */
+    px = pState;
+
+    /* Initialize pCoeffs pointer */
+    pb = pCoeffs;
+
+    /* Set the accumulator to zero */
+    acc = 0;
+
+    /* Loop over numTaps number of values */
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      acc += ((q63_t) (*px++)) * (*pb++);
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Converting the result to 1.31 format */
+    /* Store the result from accumulator into the destination buffer. */
+    /* Calc lower part of acc */
+    acc_l = acc & 0xffffffff;
+
+    /* Calc upper part of acc */
+    acc_h = (acc >> 32) & 0xffffffff;
+
+    acc = (uint32_t) acc_l >> lShift | acc_h << uShift;
+
+    *pOut++ = (q31_t) acc;
+
+    /* Compute and store error */
+    e = *pRef++ - (q31_t) acc;
+
+    *pErr++ = (q31_t) e;
+
+    /* Weighting factor for the LMS version */
+    alpha = (q31_t) (((q63_t) e * mu) >> 31);
+
+    /* Initialize pState pointer */
+    /* Advance state pointer by 1 for the next sample */
+    px = pState++;
+
+    /* Initialize pCoeffs pointer */
+    pb = pCoeffs;
+
+    /* Loop over numTaps number of values */
+    tapCnt = numTaps;
+
+    while(tapCnt > 0u)
+    {
+      /* Perform the multiply-accumulate */
+      coef = (q31_t) (((q63_t) alpha * (*px++)) >> (32));
+      *pb += (coef << 1u);
+      pb++;
+
+      /* Decrement the loop counter */
+      tapCnt--;
+    }
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Processing is complete. Now copy the last numTaps - 1 samples to the     
+     start of the state buffer. This prepares the state buffer for the   
+     next function call. */
+
+  /* Points to the start of the pState buffer */
+  pStateCurnt = S->pState;
+
+  /*  Copy (numTaps - 1u) samples  */
+  tapCnt = (numTaps - 1u);
+
+  /* Copy the data */
+  while(tapCnt > 0u)
+  {
+    *pStateCurnt++ = *pState++;
+
+    /* Decrement the loop counter */
+    tapCnt--;
+  }
+
+#endif /*   #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+   * @} end of LMS group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_add_f32.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_add_f32.c
new file mode 100644
index 0000000000..9ebd9e21c7
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_add_f32.c
@@ -0,0 +1,206 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_mat_add_f32.c    
+*    
+* Description:	Floating-point matrix addition    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**        
+ * @ingroup groupMatrix        
+ */
+
+/**        
+ * @defgroup MatrixAdd Matrix Addition        
+ *        
+ * Adds two matrices.        
+ * \image html MatrixAddition.gif "Addition of two 3 x 3 matrices"        
+ *        
+ * The functions check to make sure that        
+ * pSrcA, pSrcB, and pDst have the same        
+ * number of rows and columns.        
+ */
+
+/**        
+ * @addtogroup MatrixAdd        
+ * @{        
+ */
+
+
+/**        
+ * @brief Floating-point matrix addition.        
+ * @param[in]       *pSrcA points to the first input matrix structure        
+ * @param[in]       *pSrcB points to the second input matrix structure        
+ * @param[out]      *pDst points to output matrix structure        
+ * @return     		The function returns either        
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.        
+ */
+
+arm_status arm_mat_add_f32(
+  const arm_matrix_instance_f32 * pSrcA,
+  const arm_matrix_instance_f32 * pSrcB,
+  arm_matrix_instance_f32 * pDst)
+{
+  float32_t *pIn1 = pSrcA->pData;                /* input data matrix pointer A  */
+  float32_t *pIn2 = pSrcB->pData;                /* input data matrix pointer B  */
+  float32_t *pOut = pDst->pData;                 /* output data matrix pointer   */
+
+#ifndef ARM_MATH_CM0
+
+  float32_t inA1, inA2, inB1, inB2, out1, out2;  /* temporary variables */
+
+#endif //      #ifndef ARM_MATH_CM0
+
+  uint32_t numSamples;                           /* total number of elements in the matrix  */
+  uint32_t blkCnt;                               /* loop counters */
+  arm_status status;                             /* status of matrix addition */
+
+#ifdef ARM_MATH_MATRIX_CHECK
+  /* Check for matrix mismatch condition */
+  if((pSrcA->numRows != pSrcB->numRows) ||
+     (pSrcA->numCols != pSrcB->numCols) ||
+     (pSrcA->numRows != pDst->numRows) || (pSrcA->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif
+  {
+
+    /* Total number of samples in the input matrix */
+    numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols;
+
+#ifndef ARM_MATH_CM0
+
+    /* Loop unrolling */
+    blkCnt = numSamples >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+     ** a second loop below computes the remaining 1 to 3 samples. */
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) + B(m,n) */
+      /* Add and then store the results in the destination buffer. */
+      /* Read values from source A */
+      inA1 = pIn1[0];
+
+      /* Read values from source B */
+      inB1 = pIn2[0];
+
+      /* Read values from source A */
+      inA2 = pIn1[1];
+
+      /* out = sourceA + sourceB */
+      out1 = inA1 + inB1;
+
+      /* Read values from source B */
+      inB2 = pIn2[1];
+
+      /* Read values from source A */
+      inA1 = pIn1[2];
+
+      /* out = sourceA + sourceB */
+      out2 = inA2 + inB2;
+
+      /* Read values from source B */
+      inB1 = pIn2[2];
+
+      /* Store result in destination */
+      pOut[0] = out1;
+      pOut[1] = out2;
+
+      /* Read values from source A */
+      inA2 = pIn1[3];
+
+      /* Read values from source B */
+      inB2 = pIn2[3];
+
+      /* out = sourceA + sourceB */
+      out1 = inA1 + inB1;
+
+      /* out = sourceA + sourceB */
+      out2 = inA2 + inB2;
+
+      /* Store result in destination */
+      pOut[2] = out1;
+
+      /* Store result in destination */
+      pOut[3] = out2;
+
+
+      /* update pointers to process next sampels */
+      pIn1 += 4u;
+      pIn2 += 4u;
+      pOut += 4u;
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the numSamples is not a multiple of 4, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+    blkCnt = numSamples % 0x4u;
+
+#else
+
+    /* Run the below code for Cortex-M0 */
+
+    /* Initialize blkCnt with number of samples */
+    blkCnt = numSamples;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) + B(m,n) */
+      /* Add and then store the results in the destination buffer. */
+      *pOut++ = (*pIn1++) + (*pIn2++);
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+/**        
+ * @} end of MatrixAdd group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_add_q15.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_add_q15.c
new file mode 100644
index 0000000000..9c86301310
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_add_q15.c
@@ -0,0 +1,161 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_add_q15.c    
+*    
+* Description:	Q15 matrix addition    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @addtogroup MatrixAdd    
+ * @{    
+ */
+
+/**    
+ * @brief Q15 matrix addition.    
+ * @param[in]       *pSrcA points to the first input matrix structure    
+ * @param[in]       *pSrcB points to the second input matrix structure    
+ * @param[out]      *pDst points to output matrix structure    
+ * @return     		The function returns either    
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function uses saturating arithmetic.    
+ * Results outside of the allowable Q15 range [0x8000 0x7FFF] will be saturated.    
+ */
+
+arm_status arm_mat_add_q15(
+  const arm_matrix_instance_q15 * pSrcA,
+  const arm_matrix_instance_q15 * pSrcB,
+  arm_matrix_instance_q15 * pDst)
+{
+  q15_t *pInA = pSrcA->pData;                    /* input data matrix pointer A  */
+  q15_t *pInB = pSrcB->pData;                    /* input data matrix pointer B */
+  q15_t *pOut = pDst->pData;                     /* output data matrix pointer */
+  uint16_t numSamples;                           /* total number of elements in the matrix  */
+  uint32_t blkCnt;                               /* loop counters  */
+  arm_status status;                             /* status of matrix addition  */
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+
+  /* Check for matrix mismatch condition */
+  if((pSrcA->numRows != pSrcB->numRows) ||
+     (pSrcA->numCols != pSrcB->numCols) ||
+     (pSrcA->numRows != pDst->numRows) || (pSrcA->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*    #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+    /* Total number of samples in the input matrix */
+    numSamples = (uint16_t) (pSrcA->numRows * pSrcA->numCols);
+
+#ifndef ARM_MATH_CM0
+
+    /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+    /* Loop unrolling */
+    blkCnt = (uint32_t) numSamples >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+     ** a second loop below computes the remaining 1 to 3 samples. */
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) + B(m,n) */
+      /* Add, Saturate and then store the results in the destination buffer. */
+      *__SIMD32(pOut)++ = __QADD16(*__SIMD32(pInA)++, *__SIMD32(pInB)++);
+      *__SIMD32(pOut)++ = __QADD16(*__SIMD32(pInA)++, *__SIMD32(pInB)++);
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+    blkCnt = (uint32_t) numSamples % 0x4u;
+
+    /* q15 pointers of input and output are initialized */
+
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) + B(m,n) */
+      /* Add, Saturate and then store the results in the destination buffer. */
+      *pOut++ = (q15_t) __QADD16(*pInA++, *pInB++);
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+#else
+
+    /* Run the below code for Cortex-M0 */
+
+    /* Initialize blkCnt with number of samples */
+    blkCnt = (uint32_t) numSamples;
+
+
+    /* q15 pointers of input and output are initialized */
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) + B(m,n) */
+      /* Add, Saturate and then store the results in the destination buffer. */
+      *pOut++ = (q15_t) __SSAT(((q31_t) * pInA++ + *pInB++), 16);
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+/**    
+ * @} end of MatrixAdd group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_add_q31.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_add_q31.c
new file mode 100644
index 0000000000..ee1207e570
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_add_q31.c
@@ -0,0 +1,205 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_add_q31.c    
+*    
+* Description:	Q31 matrix addition    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**      
+ * @ingroup groupMatrix      
+ */
+
+/**      
+ * @addtogroup MatrixAdd      
+ * @{      
+ */
+
+/**      
+ * @brief Q31 matrix addition.      
+ * @param[in]       *pSrcA points to the first input matrix structure      
+ * @param[in]       *pSrcB points to the second input matrix structure      
+ * @param[out]      *pDst points to output matrix structure      
+ * @return     		The function returns either      
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.      
+ *      
+ * Scaling and Overflow Behavior:      
+ * \par      
+ * The function uses saturating arithmetic.      
+ * Results outside of the allowable Q31 range [0x80000000 0x7FFFFFFF] will be saturated.      
+ */
+
+arm_status arm_mat_add_q31(
+  const arm_matrix_instance_q31 * pSrcA,
+  const arm_matrix_instance_q31 * pSrcB,
+  arm_matrix_instance_q31 * pDst)
+{
+  q31_t *pIn1 = pSrcA->pData;                    /* input data matrix pointer A */
+  q31_t *pIn2 = pSrcB->pData;                    /* input data matrix pointer B */
+  q31_t *pOut = pDst->pData;                     /* output data matrix pointer */
+  q31_t inA1, inB1;                              /* temporary variables */
+
+#ifndef ARM_MATH_CM0
+
+  q31_t inA2, inB2;                              /* temporary variables */
+  q31_t out1, out2;                              /* temporary variables */
+
+#endif //      #ifndef ARM_MATH_CM0
+
+  uint32_t numSamples;                           /* total number of elements in the matrix  */
+  uint32_t blkCnt;                               /* loop counters */
+  arm_status status;                             /* status of matrix addition */
+
+#ifdef ARM_MATH_MATRIX_CHECK
+  /* Check for matrix mismatch condition */
+  if((pSrcA->numRows != pSrcB->numRows) ||
+     (pSrcA->numCols != pSrcB->numCols) ||
+     (pSrcA->numRows != pDst->numRows) || (pSrcA->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif
+  {
+    /* Total number of samples in the input matrix */
+    numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols;
+
+#ifndef ARM_MATH_CM0
+
+    /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+    /* Loop Unrolling */
+    blkCnt = numSamples >> 2u;
+
+
+    /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+     ** a second loop below computes the remaining 1 to 3 samples. */
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) + B(m,n) */
+      /* Add, saturate and then store the results in the destination buffer. */
+      /* Read values from source A */
+      inA1 = pIn1[0];
+
+      /* Read values from source B */
+      inB1 = pIn2[0];
+
+      /* Read values from source A */
+      inA2 = pIn1[1];
+
+      /* Add and saturate */
+      out1 = __QADD(inA1, inB1);
+
+      /* Read values from source B */
+      inB2 = pIn2[1];
+
+      /* Read values from source A */
+      inA1 = pIn1[2];
+
+      /* Add and saturate */
+      out2 = __QADD(inA2, inB2);
+
+      /* Read values from source B */
+      inB1 = pIn2[2];
+
+      /* Store result in destination */
+      pOut[0] = out1;
+      pOut[1] = out2;
+
+      /* Read values from source A */
+      inA2 = pIn1[3];
+
+      /* Read values from source B */
+      inB2 = pIn2[3];
+
+      /* Add and saturate */
+      out1 = __QADD(inA1, inB1);
+      out2 = __QADD(inA2, inB2);
+
+      /* Store result in destination */
+      pOut[2] = out1;
+      pOut[3] = out2;
+
+      /* update pointers to process next sampels */
+      pIn1 += 4u;
+      pIn2 += 4u;
+      pOut += 4u;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the numSamples is not a multiple of 4, compute any remaining output samples here.      
+     ** No loop unrolling is used. */
+    blkCnt = numSamples % 0x4u;
+
+#else
+
+    /* Run the below code for Cortex-M0 */
+
+    /* Initialize blkCnt with number of samples */
+    blkCnt = numSamples;
+
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) + B(m,n) */
+      /* Add, saturate and then store the results in the destination buffer. */
+      inA1 = *pIn1++;
+      inB1 = *pIn2++;
+
+      inA1 = __QADD(inA1, inB1);
+
+      /* Decrement the loop counter */
+      blkCnt--;
+
+      *pOut++ = inA1;
+
+    }
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+/**      
+ * @} end of MatrixAdd group      
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_init_f32.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_init_f32.c
new file mode 100644
index 0000000000..8d2cea559b
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_init_f32.c
@@ -0,0 +1,86 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_mat_init_f32.c    
+*    
+* Description:	Floating-point matrix initialization.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @defgroup MatrixInit Matrix Initialization    
+ *    
+ * Initializes the underlying matrix data structure.    
+ * The functions set the numRows,    
+ * numCols, and pData fields    
+ * of the matrix data structure.    
+ */
+
+/**    
+ * @addtogroup MatrixInit    
+ * @{    
+ */
+
+/**    
+   * @brief  Floating-point matrix initialization.    
+   * @param[in,out] *S             points to an instance of the floating-point matrix structure.    
+   * @param[in]     nRows          number of rows in the matrix.    
+   * @param[in]     nColumns       number of columns in the matrix.    
+   * @param[in]     *pData	   points to the matrix data array.    
+   * @return        none    
+   */
+
+void arm_mat_init_f32(
+  arm_matrix_instance_f32 * S,
+  uint16_t nRows,
+  uint16_t nColumns,
+  float32_t * pData)
+{
+  /* Assign Number of Rows */
+  S->numRows = nRows;
+
+  /* Assign Number of Columns */
+  S->numCols = nColumns;
+
+  /* Assign Data pointer */
+  S->pData = pData;
+}
+
+/**    
+ * @} end of MatrixInit group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_init_q15.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_init_q15.c
new file mode 100644
index 0000000000..7255627c2e
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_init_q15.c
@@ -0,0 +1,78 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_mat_init_q15.c    
+*    
+* Description:	Q15 matrix initialization.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------------- */
+
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @addtogroup MatrixInit    
+ * @{    
+ */
+
+  /**    
+   * @brief  Q15 matrix initialization.    
+   * @param[in,out] *S             points to an instance of the floating-point matrix structure.    
+   * @param[in]     nRows          number of rows in the matrix.    
+   * @param[in]     nColumns       number of columns in the matrix.    
+   * @param[in]     *pData	   points to the matrix data array.    
+   * @return        none    
+   */
+
+void arm_mat_init_q15(
+  arm_matrix_instance_q15 * S,
+  uint16_t nRows,
+  uint16_t nColumns,
+  q15_t * pData)
+{
+  /* Assign Number of Rows */
+  S->numRows = nRows;
+
+  /* Assign Number of Columns */
+  S->numCols = nColumns;
+
+  /* Assign Data pointer */
+  S->pData = pData;
+}
+
+/**    
+ * @} end of MatrixInit group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_init_q31.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_init_q31.c
new file mode 100644
index 0000000000..86ad404da6
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_init_q31.c
@@ -0,0 +1,82 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_mat_init_q31.c    
+*    
+* Description:	Q31 matrix initialization.    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------------- */
+
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @defgroup MatrixInit Matrix Initialization    
+ *    
+ */
+
+/**    
+ * @addtogroup MatrixInit    
+ * @{    
+ */
+
+  /**    
+   * @brief  Q31 matrix initialization.    
+   * @param[in,out] *S             points to an instance of the floating-point matrix structure.    
+   * @param[in]     nRows          number of rows in the matrix.    
+   * @param[in]     nColumns       number of columns in the matrix.    
+   * @param[in]     *pData	   points to the matrix data array.    
+   * @return        none    
+   */
+
+void arm_mat_init_q31(
+  arm_matrix_instance_q31 * S,
+  uint16_t nRows,
+  uint16_t nColumns,
+  q31_t * pData)
+{
+  /* Assign Number of Rows */
+  S->numRows = nRows;
+
+  /* Assign Number of Columns */
+  S->numCols = nColumns;
+
+  /* Assign Data pointer */
+  S->pData = pData;
+}
+
+/**    
+ * @} end of MatrixInit group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_inverse_f32.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_inverse_f32.c
new file mode 100644
index 0000000000..e8c6daebb2
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_inverse_f32.c
@@ -0,0 +1,668 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_inverse_f32.c    
+*    
+* Description:	Floating-point matrix inverse.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @defgroup MatrixInv Matrix Inverse    
+ *    
+ * Computes the inverse of a matrix.    
+ *    
+ * The inverse is defined only if the input matrix is square and non-singular (the determinant    
+ * is non-zero). The function checks that the input and output matrices are square and of the    
+ * same size.    
+ *    
+ * Matrix inversion is numerically sensitive and the CMSIS DSP library only supports matrix    
+ * inversion of floating-point matrices.    
+ *    
+ * \par Algorithm    
+ * The Gauss-Jordan method is used to find the inverse.    
+ * The algorithm performs a sequence of elementary row-operations till it    
+ * reduces the input matrix to an identity matrix. Applying the same sequence    
+ * of elementary row-operations to an identity matrix yields the inverse matrix.    
+ * If the input matrix is singular, then the algorithm terminates and returns error status    
+ * ARM_MATH_SINGULAR.    
+ * \image html MatrixInverse.gif "Matrix Inverse of a 3 x 3 matrix using Gauss-Jordan Method"    
+ */
+
+/**    
+ * @addtogroup MatrixInv    
+ * @{    
+ */
+
+/**    
+ * @brief Floating-point matrix inverse.    
+ * @param[in]       *pSrc points to input matrix structure    
+ * @param[out]      *pDst points to output matrix structure    
+ * @return     		The function returns    
+ * ARM_MATH_SIZE_MISMATCH if the input matrix is not square or if the size    
+ * of the output matrix does not match the size of the input matrix.    
+ * If the input matrix is found to be singular (non-invertible), then the function returns    
+ * ARM_MATH_SINGULAR.  Otherwise, the function returns ARM_MATH_SUCCESS.    
+ */
+
+arm_status arm_mat_inverse_f32(
+  const arm_matrix_instance_f32 * pSrc,
+  arm_matrix_instance_f32 * pDst)
+{
+  float32_t *pIn = pSrc->pData;                  /* input data matrix pointer */
+  float32_t *pOut = pDst->pData;                 /* output data matrix pointer */
+  float32_t *pInT1, *pInT2;                      /* Temporary input data matrix pointer */
+  float32_t *pInT3, *pInT4;                      /* Temporary output data matrix pointer */
+  float32_t *pPivotRowIn, *pPRT_in, *pPivotRowDst, *pPRT_pDst;  /* Temporary input and output data matrix pointer */
+  uint32_t numRows = pSrc->numRows;              /* Number of rows in the matrix  */
+  uint32_t numCols = pSrc->numCols;              /* Number of Cols in the matrix  */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  float32_t Xchg, in = 0.0f, in1;                /* Temporary input values  */
+  uint32_t i, rowCnt, flag = 0u, j, loopCnt, k, l;      /* loop counters */
+  arm_status status;                             /* status of matrix inverse */
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+
+  /* Check for matrix mismatch condition */
+  if((pSrc->numRows != pSrc->numCols) || (pDst->numRows != pDst->numCols)
+     || (pSrc->numRows != pDst->numRows))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*    #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+
+    /*--------------------------------------------------------------------------------------------------------------    
+	 * Matrix Inverse can be solved using elementary row operations.    
+	 *    
+	 *	Gauss-Jordan Method:    
+	 *    
+	 *	   1. First combine the identity matrix and the input matrix separated by a bar to form an    
+	 *        augmented matrix as follows:    
+	 *				        _ 	      	       _         _	       _    
+	 *					   |  a11  a12 | 1   0  |       |  X11 X12  |    
+	 *					   |           |        |   =   |           |    
+	 *					   |_ a21  a22 | 0   1 _|       |_ X21 X21 _|    
+	 *    
+	 *		2. In our implementation, pDst Matrix is used as identity matrix.    
+	 *    
+	 *		3. Begin with the first row. Let i = 1.    
+	 *    
+	 *	    4. Check to see if the pivot for row i is zero.    
+	 *		   The pivot is the element of the main diagonal that is on the current row.    
+	 *		   For instance, if working with row i, then the pivot element is aii.    
+	 *		   If the pivot is zero, exchange that row with a row below it that does not    
+	 *		   contain a zero in column i. If this is not possible, then an inverse    
+	 *		   to that matrix does not exist.    
+	 *    
+	 *	    5. Divide every element of row i by the pivot.    
+	 *    
+	 *	    6. For every row below and  row i, replace that row with the sum of that row and    
+	 *		   a multiple of row i so that each new element in column i below row i is zero.    
+	 *    
+	 *	    7. Move to the next row and column and repeat steps 2 through 5 until you have zeros    
+	 *		   for every element below and above the main diagonal.    
+	 *    
+	 *		8. Now an identical matrix is formed to the left of the bar(input matrix, pSrc).    
+	 *		   Therefore, the matrix to the right of the bar is our solution(pDst matrix, pDst).    
+	 *----------------------------------------------------------------------------------------------------------------*/
+
+    /* Working pointer for destination matrix */
+    pInT2 = pOut;
+
+    /* Loop over the number of rows */
+    rowCnt = numRows;
+
+    /* Making the destination matrix as identity matrix */
+    while(rowCnt > 0u)
+    {
+      /* Writing all zeroes in lower triangle of the destination matrix */
+      j = numRows - rowCnt;
+      while(j > 0u)
+      {
+        *pInT2++ = 0.0f;
+        j--;
+      }
+
+      /* Writing all ones in the diagonal of the destination matrix */
+      *pInT2++ = 1.0f;
+
+      /* Writing all zeroes in upper triangle of the destination matrix */
+      j = rowCnt - 1u;
+      while(j > 0u)
+      {
+        *pInT2++ = 0.0f;
+        j--;
+      }
+
+      /* Decrement the loop counter */
+      rowCnt--;
+    }
+
+    /* Loop over the number of columns of the input matrix.    
+       All the elements in each column are processed by the row operations */
+    loopCnt = numCols;
+
+    /* Index modifier to navigate through the columns */
+    l = 0u;
+
+    while(loopCnt > 0u)
+    {
+      /* Check if the pivot element is zero..    
+       * If it is zero then interchange the row with non zero row below.    
+       * If there is no non zero element to replace in the rows below,    
+       * then the matrix is Singular. */
+
+      /* Working pointer for the input matrix that points    
+       * to the pivot element of the particular row  */
+      pInT1 = pIn + (l * numCols);
+
+      /* Working pointer for the destination matrix that points    
+       * to the pivot element of the particular row  */
+      pInT3 = pOut + (l * numCols);
+
+      /* Temporary variable to hold the pivot value */
+      in = *pInT1;
+
+      /* Destination pointer modifier */
+      k = 1u;
+
+      /* Check if the pivot element is zero */
+      if(*pInT1 == 0.0f)
+      {
+        /* Loop over the number rows present below */
+        i = numRows - (l + 1u);
+
+        while(i > 0u)
+        {
+          /* Update the input and destination pointers */
+          pInT2 = pInT1 + (numCols * l);
+          pInT4 = pInT3 + (numCols * k);
+
+          /* Check if there is a non zero pivot element to    
+           * replace in the rows below */
+          if(*pInT2 != 0.0f)
+          {
+            /* Loop over number of columns    
+             * to the right of the pilot element */
+            j = numCols - l;
+
+            while(j > 0u)
+            {
+              /* Exchange the row elements of the input matrix */
+              Xchg = *pInT2;
+              *pInT2++ = *pInT1;
+              *pInT1++ = Xchg;
+
+              /* Decrement the loop counter */
+              j--;
+            }
+
+            /* Loop over number of columns of the destination matrix */
+            j = numCols;
+
+            while(j > 0u)
+            {
+              /* Exchange the row elements of the destination matrix */
+              Xchg = *pInT4;
+              *pInT4++ = *pInT3;
+              *pInT3++ = Xchg;
+
+              /* Decrement the loop counter */
+              j--;
+            }
+
+            /* Flag to indicate whether exchange is done or not */
+            flag = 1u;
+
+            /* Break after exchange is done */
+            break;
+          }
+
+          /* Update the destination pointer modifier */
+          k++;
+
+          /* Decrement the loop counter */
+          i--;
+        }
+      }
+
+      /* Update the status if the matrix is singular */
+      if((flag != 1u) && (in == 0.0f))
+      {
+        status = ARM_MATH_SINGULAR;
+
+        break;
+      }
+
+      /* Points to the pivot row of input and destination matrices */
+      pPivotRowIn = pIn + (l * numCols);
+      pPivotRowDst = pOut + (l * numCols);
+
+      /* Temporary pointers to the pivot row pointers */
+      pInT1 = pPivotRowIn;
+      pInT2 = pPivotRowDst;
+
+      /* Pivot element of the row */
+      in = *(pIn + (l * numCols));
+
+      /* Loop over number of columns    
+       * to the right of the pilot element */
+      j = (numCols - l);
+
+      while(j > 0u)
+      {
+        /* Divide each element of the row of the input matrix    
+         * by the pivot element */
+        in1 = *pInT1;
+        *pInT1++ = in1 / in;
+
+        /* Decrement the loop counter */
+        j--;
+      }
+
+      /* Loop over number of columns of the destination matrix */
+      j = numCols;
+
+      while(j > 0u)
+      {
+        /* Divide each element of the row of the destination matrix    
+         * by the pivot element */
+        in1 = *pInT2;
+        *pInT2++ = in1 / in;
+
+        /* Decrement the loop counter */
+        j--;
+      }
+
+      /* Replace the rows with the sum of that row and a multiple of row i    
+       * so that each new element in column i above row i is zero.*/
+
+      /* Temporary pointers for input and destination matrices */
+      pInT1 = pIn;
+      pInT2 = pOut;
+
+      /* index used to check for pivot element */
+      i = 0u;
+
+      /* Loop over number of rows */
+      /*  to be replaced by the sum of that row and a multiple of row i */
+      k = numRows;
+
+      while(k > 0u)
+      {
+        /* Check for the pivot element */
+        if(i == l)
+        {
+          /* If the processing element is the pivot element,    
+             only the columns to the right are to be processed */
+          pInT1 += numCols - l;
+
+          pInT2 += numCols;
+        }
+        else
+        {
+          /* Element of the reference row */
+          in = *pInT1;
+
+          /* Working pointers for input and destination pivot rows */
+          pPRT_in = pPivotRowIn;
+          pPRT_pDst = pPivotRowDst;
+
+          /* Loop over the number of columns to the right of the pivot element,    
+             to replace the elements in the input matrix */
+          j = (numCols - l);
+
+          while(j > 0u)
+          {
+            /* Replace the element by the sum of that row    
+               and a multiple of the reference row  */
+            in1 = *pInT1;
+            *pInT1++ = in1 - (in * *pPRT_in++);
+
+            /* Decrement the loop counter */
+            j--;
+          }
+
+          /* Loop over the number of columns to    
+             replace the elements in the destination matrix */
+          j = numCols;
+
+          while(j > 0u)
+          {
+            /* Replace the element by the sum of that row    
+               and a multiple of the reference row  */
+            in1 = *pInT2;
+            *pInT2++ = in1 - (in * *pPRT_pDst++);
+
+            /* Decrement the loop counter */
+            j--;
+          }
+
+        }
+
+        /* Increment the temporary input pointer */
+        pInT1 = pInT1 + l;
+
+        /* Decrement the loop counter */
+        k--;
+
+        /* Increment the pivot index */
+        i++;
+      }
+
+      /* Increment the input pointer */
+      pIn++;
+
+      /* Decrement the loop counter */
+      loopCnt--;
+
+      /* Increment the index modifier */
+      l++;
+    }
+
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  float32_t Xchg, in = 0.0f;                     /* Temporary input values  */
+  uint32_t i, rowCnt, flag = 0u, j, loopCnt, k, l;      /* loop counters */
+  arm_status status;                             /* status of matrix inverse */
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+  /* Check for matrix mismatch condition */
+  if((pSrc->numRows != pSrc->numCols) || (pDst->numRows != pDst->numCols)
+     || (pSrc->numRows != pDst->numRows))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*      #ifdef ARM_MATH_MATRIX_CHECK    */
+  {
+
+    /*--------------------------------------------------------------------------------------------------------------       
+	 * Matrix Inverse can be solved using elementary row operations.        
+	 *        
+	 *	Gauss-Jordan Method:       
+	 *	 	       
+	 *	   1. First combine the identity matrix and the input matrix separated by a bar to form an        
+	 *        augmented matrix as follows:        
+	 *				        _  _	      _	    _	   _   _         _	       _       
+	 *					   |  |  a11  a12  | | | 1   0  |   |       |  X11 X12  |         
+	 *					   |  |            | | |        |   |   =   |           |        
+	 *					   |_ |_ a21  a22 _| | |_0   1 _|  _|       |_ X21 X21 _|       
+	 *					          
+	 *		2. In our implementation, pDst Matrix is used as identity matrix.    
+	 *       
+	 *		3. Begin with the first row. Let i = 1.       
+	 *       
+	 *	    4. Check to see if the pivot for row i is zero.       
+	 *		   The pivot is the element of the main diagonal that is on the current row.       
+	 *		   For instance, if working with row i, then the pivot element is aii.       
+	 *		   If the pivot is zero, exchange that row with a row below it that does not        
+	 *		   contain a zero in column i. If this is not possible, then an inverse        
+	 *		   to that matrix does not exist.       
+	 *	       
+	 *	    5. Divide every element of row i by the pivot.       
+	 *	       
+	 *	    6. For every row below and  row i, replace that row with the sum of that row and        
+	 *		   a multiple of row i so that each new element in column i below row i is zero.       
+	 *	       
+	 *	    7. Move to the next row and column and repeat steps 2 through 5 until you have zeros       
+	 *		   for every element below and above the main diagonal.        
+	 *		   		          
+	 *		8. Now an identical matrix is formed to the left of the bar(input matrix, src).       
+	 *		   Therefore, the matrix to the right of the bar is our solution(dst matrix, dst).         
+	 *----------------------------------------------------------------------------------------------------------------*/
+
+    /* Working pointer for destination matrix */
+    pInT2 = pOut;
+
+    /* Loop over the number of rows */
+    rowCnt = numRows;
+
+    /* Making the destination matrix as identity matrix */
+    while(rowCnt > 0u)
+    {
+      /* Writing all zeroes in lower triangle of the destination matrix */
+      j = numRows - rowCnt;
+      while(j > 0u)
+      {
+        *pInT2++ = 0.0f;
+        j--;
+      }
+
+      /* Writing all ones in the diagonal of the destination matrix */
+      *pInT2++ = 1.0f;
+
+      /* Writing all zeroes in upper triangle of the destination matrix */
+      j = rowCnt - 1u;
+      while(j > 0u)
+      {
+        *pInT2++ = 0.0f;
+        j--;
+      }
+
+      /* Decrement the loop counter */
+      rowCnt--;
+    }
+
+    /* Loop over the number of columns of the input matrix.     
+       All the elements in each column are processed by the row operations */
+    loopCnt = numCols;
+
+    /* Index modifier to navigate through the columns */
+    l = 0u;
+    //for(loopCnt = 0u; loopCnt < numCols; loopCnt++)   
+    while(loopCnt > 0u)
+    {
+      /* Check if the pivot element is zero..    
+       * If it is zero then interchange the row with non zero row below.   
+       * If there is no non zero element to replace in the rows below,   
+       * then the matrix is Singular. */
+
+      /* Working pointer for the input matrix that points     
+       * to the pivot element of the particular row  */
+      pInT1 = pIn + (l * numCols);
+
+      /* Working pointer for the destination matrix that points     
+       * to the pivot element of the particular row  */
+      pInT3 = pOut + (l * numCols);
+
+      /* Temporary variable to hold the pivot value */
+      in = *pInT1;
+
+      /* Destination pointer modifier */
+      k = 1u;
+
+      /* Check if the pivot element is zero */
+      if(*pInT1 == 0.0f)
+      {
+        /* Loop over the number rows present below */
+        for (i = (l + 1u); i < numRows; i++)
+        {
+          /* Update the input and destination pointers */
+          pInT2 = pInT1 + (numCols * l);
+          pInT4 = pInT3 + (numCols * k);
+
+          /* Check if there is a non zero pivot element to     
+           * replace in the rows below */
+          if(*pInT2 != 0.0f)
+          {
+            /* Loop over number of columns     
+             * to the right of the pilot element */
+            for (j = 0u; j < (numCols - l); j++)
+            {
+              /* Exchange the row elements of the input matrix */
+              Xchg = *pInT2;
+              *pInT2++ = *pInT1;
+              *pInT1++ = Xchg;
+            }
+
+            for (j = 0u; j < numCols; j++)
+            {
+              Xchg = *pInT4;
+              *pInT4++ = *pInT3;
+              *pInT3++ = Xchg;
+            }
+
+            /* Flag to indicate whether exchange is done or not */
+            flag = 1u;
+
+            /* Break after exchange is done */
+            break;
+          }
+
+          /* Update the destination pointer modifier */
+          k++;
+        }
+      }
+
+      /* Update the status if the matrix is singular */
+      if((flag != 1u) && (in == 0.0f))
+      {
+        status = ARM_MATH_SINGULAR;
+
+        break;
+      }
+
+      /* Points to the pivot row of input and destination matrices */
+      pPivotRowIn = pIn + (l * numCols);
+      pPivotRowDst = pOut + (l * numCols);
+
+      /* Temporary pointers to the pivot row pointers */
+      pInT1 = pPivotRowIn;
+      pInT2 = pPivotRowDst;
+
+      /* Pivot element of the row */
+      in = *(pIn + (l * numCols));
+
+      /* Loop over number of columns     
+       * to the right of the pilot element */
+      for (j = 0u; j < (numCols - l); j++)
+      {
+        /* Divide each element of the row of the input matrix     
+         * by the pivot element */
+        *pInT1++ = *pInT1 / in;
+      }
+      for (j = 0u; j < numCols; j++)
+      {
+        /* Divide each element of the row of the destination matrix     
+         * by the pivot element */
+        *pInT2++ = *pInT2 / in;
+      }
+
+      /* Replace the rows with the sum of that row and a multiple of row i     
+       * so that each new element in column i above row i is zero.*/
+
+      /* Temporary pointers for input and destination matrices */
+      pInT1 = pIn;
+      pInT2 = pOut;
+
+      for (i = 0u; i < numRows; i++)
+      {
+        /* Check for the pivot element */
+        if(i == l)
+        {
+          /* If the processing element is the pivot element,     
+             only the columns to the right are to be processed */
+          pInT1 += numCols - l;
+          pInT2 += numCols;
+        }
+        else
+        {
+          /* Element of the reference row */
+          in = *pInT1;
+
+          /* Working pointers for input and destination pivot rows */
+          pPRT_in = pPivotRowIn;
+          pPRT_pDst = pPivotRowDst;
+
+          /* Loop over the number of columns to the right of the pivot element,     
+             to replace the elements in the input matrix */
+          for (j = 0u; j < (numCols - l); j++)
+          {
+            /* Replace the element by the sum of that row     
+               and a multiple of the reference row  */
+            *pInT1++ = *pInT1 - (in * *pPRT_in++);
+          }
+          /* Loop over the number of columns to     
+             replace the elements in the destination matrix */
+          for (j = 0u; j < numCols; j++)
+          {
+            /* Replace the element by the sum of that row     
+               and a multiple of the reference row  */
+            *pInT2++ = *pInT2 - (in * *pPRT_pDst++);
+          }
+
+        }
+        /* Increment the temporary input pointer */
+        pInT1 = pInT1 + l;
+      }
+      /* Increment the input pointer */
+      pIn++;
+
+      /* Decrement the loop counter */
+      loopCnt--;
+      /* Increment the index modifier */
+      l++;
+    }
+
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+    /* Set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+
+    if((flag != 1u) && (in == 0.0f))
+    {
+      status = ARM_MATH_SINGULAR;
+    }
+  }
+  /* Return to application */
+  return (status);
+}
+
+/**    
+ * @} end of MatrixInv group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_f32.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_f32.c
new file mode 100644
index 0000000000..a04f12600a
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_f32.c
@@ -0,0 +1,284 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_mult_f32.c    
+*    
+* Description:  Floating-point matrix multiplication.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @defgroup MatrixMult Matrix Multiplication    
+ *    
+ * Multiplies two matrices.    
+ *    
+ * \image html MatrixMultiplication.gif "Multiplication of two 3 x 3 matrices"    
+    
+ * Matrix multiplication is only defined if the number of columns of the    
+ * first matrix equals the number of rows of the second matrix.    
+ * Multiplying an M x N matrix with an N x P matrix results    
+ * in an M x P matrix.    
+ * When matrix size checking is enabled, the functions check: (1) that the inner dimensions of    
+ * pSrcA and pSrcB are equal; and (2) that the size of the output    
+ * matrix equals the outer dimensions of pSrcA and pSrcB.    
+ */
+
+
+/**    
+ * @addtogroup MatrixMult    
+ * @{    
+ */
+
+/**    
+ * @brief Floating-point matrix multiplication.    
+ * @param[in]       *pSrcA points to the first input matrix structure    
+ * @param[in]       *pSrcB points to the second input matrix structure    
+ * @param[out]      *pDst points to output matrix structure    
+ * @return     		The function returns either    
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.    
+ */
+
+arm_status arm_mat_mult_f32(
+  const arm_matrix_instance_f32 * pSrcA,
+  const arm_matrix_instance_f32 * pSrcB,
+  arm_matrix_instance_f32 * pDst)
+{
+  float32_t *pIn1 = pSrcA->pData;                /* input data matrix pointer A */
+  float32_t *pIn2 = pSrcB->pData;                /* input data matrix pointer B */
+  float32_t *pInA = pSrcA->pData;                /* input data matrix pointer A  */
+  float32_t *pOut = pDst->pData;                 /* output data matrix pointer */
+  float32_t *px;                                 /* Temporary output data matrix pointer */
+  float32_t sum;                                 /* Accumulator */
+  uint16_t numRowsA = pSrcA->numRows;            /* number of rows of input matrix A */
+  uint16_t numColsB = pSrcB->numCols;            /* number of columns of input matrix B */
+  uint16_t numColsA = pSrcA->numCols;            /* number of columns of input matrix A */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  float32_t in1, in2, in3, in4;
+  uint16_t col, i = 0u, j, row = numRowsA, colCnt;      /* loop counters */
+  arm_status status;                             /* status of matrix multiplication */
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+
+  /* Check for matrix mismatch condition */
+  if((pSrcA->numCols != pSrcB->numRows) ||
+     (pSrcA->numRows != pDst->numRows) || (pSrcB->numCols != pDst->numCols))
+  {
+
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*      #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+    /* The following loop performs the dot-product of each row in pSrcA with each column in pSrcB */
+    /* row loop */
+    do
+    {
+      /* Output pointer is set to starting address of the row being processed */
+      px = pOut + i;
+
+      /* For every row wise process, the column loop counter is to be initiated */
+      col = numColsB;
+
+      /* For every row wise process, the pIn2 pointer is set    
+       ** to the starting address of the pSrcB data */
+      pIn2 = pSrcB->pData;
+
+      j = 0u;
+
+      /* column loop */
+      do
+      {
+        /* Set the variable sum, that acts as accumulator, to zero */
+        sum = 0.0f;
+
+        /* Initiate the pointer pIn1 to point to the starting address of the column being processed */
+        pIn1 = pInA;
+
+        /* Apply loop unrolling and compute 4 MACs simultaneously. */
+        colCnt = numColsA >> 2u;
+
+        /* matrix multiplication        */
+        while(colCnt > 0u)
+        {
+          /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */
+          in3 = *pIn2;
+          pIn2 += numColsB;
+          in1 = pIn1[0];
+          in2 = pIn1[1];
+          sum += in1 * in3;
+          in4 = *pIn2;
+          pIn2 += numColsB;
+          sum += in2 * in4;
+
+          in3 = *pIn2;
+          pIn2 += numColsB;
+          in1 = pIn1[2];
+          in2 = pIn1[3];
+          sum += in1 * in3;
+          in4 = *pIn2;
+          pIn2 += numColsB;
+          sum += in2 * in4;
+          pIn1 += 4u;
+
+          /* Decrement the loop count */
+          colCnt--;
+        }
+
+        /* If the columns of pSrcA is not a multiple of 4, compute any remaining MACs here.    
+         ** No loop unrolling is used. */
+        colCnt = numColsA % 0x4u;
+
+        while(colCnt > 0u)
+        {
+          /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */
+          sum += *pIn1++ * (*pIn2);
+          pIn2 += numColsB;
+
+          /* Decrement the loop counter */
+          colCnt--;
+        }
+
+        /* Store the result in the destination buffer */
+        *px++ = sum;
+
+        /* Update the pointer pIn2 to point to the  starting address of the next column */
+        j++;
+        pIn2 = pSrcB->pData + j;
+
+        /* Decrement the column loop counter */
+        col--;
+
+      } while(col > 0u);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  float32_t *pInB = pSrcB->pData;                /* input data matrix pointer B */
+  uint16_t col, i = 0u, row = numRowsA, colCnt;  /* loop counters */
+  arm_status status;                             /* status of matrix multiplication */
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+  /* Check for matrix mismatch condition */
+  if((pSrcA->numCols != pSrcB->numRows) ||
+     (pSrcA->numRows != pDst->numRows) || (pSrcB->numCols != pDst->numCols))
+  {
+
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*      #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+    /* The following loop performs the dot-product of each row in pInA with each column in pInB */
+    /* row loop */
+    do
+    {
+      /* Output pointer is set to starting address of the row being processed */
+      px = pOut + i;
+
+      /* For every row wise process, the column loop counter is to be initiated */
+      col = numColsB;
+
+      /* For every row wise process, the pIn2 pointer is set     
+       ** to the starting address of the pSrcB data */
+      pIn2 = pSrcB->pData;
+
+      /* column loop */
+      do
+      {
+        /* Set the variable sum, that acts as accumulator, to zero */
+        sum = 0.0f;
+
+        /* Initialize the pointer pIn1 to point to the starting address of the row being processed */
+        pIn1 = pInA;
+
+        /* Matrix A columns number of MAC operations are to be performed */
+        colCnt = numColsA;
+
+        while(colCnt > 0u)
+        {
+          /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */
+          sum += *pIn1++ * (*pIn2);
+          pIn2 += numColsB;
+
+          /* Decrement the loop counter */
+          colCnt--;
+        }
+
+        /* Store the result in the destination buffer */
+        *px++ = sum;
+
+        /* Decrement the column loop counter */
+        col--;
+
+        /* Update the pointer pIn2 to point to the  starting address of the next column */
+        pIn2 = pInB + (numColsB - col);
+
+      } while(col > 0u);
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+      /* Update the pointer pInA to point to the  starting address of the next row */
+      i = i + numColsB;
+      pInA = pInA + numColsA;
+
+      /* Decrement the row loop counter */
+      row--;
+
+    } while(row > 0u);
+    /* Set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+/**    
+ * @} end of MatrixMult group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_fast_q15.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_fast_q15.c
new file mode 100644
index 0000000000..5699511cf8
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_fast_q15.c
@@ -0,0 +1,361 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_mult_fast_q15.c    
+*    
+* Description:	 Q15 matrix multiplication (fast variant)    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @addtogroup MatrixMult    
+ * @{    
+ */
+
+
+/**    
+ * @brief Q15 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4    
+ * @param[in]       *pSrcA points to the first input matrix structure    
+ * @param[in]       *pSrcB points to the second input matrix structure    
+ * @param[out]      *pDst points to output matrix structure    
+ * @param[in]		*pState points to the array for storing intermediate results    
+ * @return     		The function returns either    
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The difference between the function arm_mat_mult_q15() and this fast variant is that    
+ * the fast variant use a 32-bit rather than a 64-bit accumulator.    
+ * The result of each 1.15 x 1.15 multiplication is truncated to        
+ * 2.30 format. These intermediate results are accumulated in a 32-bit register in 2.30        
+ * format. Finally, the accumulator is saturated and converted to a 1.15 result.        
+ *        
+ * \par        
+ * The fast version has the same overflow behavior as the standard version but provides        
+ * less precision since it discards the low 16 bits of each multiplication result.        
+ * In order to avoid overflows completely the input signals must be scaled down.        
+ * Scale down one of the input matrices by log2(numColsA) bits to        
+ * avoid overflows, as a total of numColsA additions are computed internally for each        
+ * output element.        
+ *        
+ * \par    
+ * See arm_mat_mult_q15() for a slower implementation of this function    
+ * which uses 64-bit accumulation to provide higher precision.    
+ */
+
+arm_status arm_mat_mult_fast_q15(
+  const arm_matrix_instance_q15 * pSrcA,
+  const arm_matrix_instance_q15 * pSrcB,
+  arm_matrix_instance_q15 * pDst,
+  q15_t * pState)
+{
+  q31_t sum;                                     /* accumulator */
+  q15_t *pSrcBT = pState;                        /* input data matrix pointer for transpose */
+  q15_t *pInA = pSrcA->pData;                    /* input data matrix pointer A of Q15 type */
+  q15_t *pInB = pSrcB->pData;                    /* input data matrix pointer B of Q15 type */
+  q15_t *px;                                     /* Temporary output data matrix pointer */
+  uint16_t numRowsA = pSrcA->numRows;            /* number of rows of input matrix A    */
+  uint16_t numColsB = pSrcB->numCols;            /* number of columns of input matrix B */
+  uint16_t numColsA = pSrcA->numCols;            /* number of columns of input matrix A */
+  uint16_t numRowsB = pSrcB->numRows;            /* number of rows of input matrix A    */
+  uint16_t col, i = 0u, row = numRowsB, colCnt;  /* loop counters */
+  arm_status status;                             /* status of matrix multiplication */
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  q31_t in;                                      /* Temporary variable to hold the input value */
+  q31_t inA1, inA2, inB1, inB2;
+
+#else
+
+  q15_t in;                                      /* Temporary variable to hold the input value */
+  q15_t inA1, inA2, inB1, inB2;
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+#ifdef ARM_MATH_MATRIX_CHECK
+  /* Check for matrix mismatch condition */
+  if((pSrcA->numCols != pSrcB->numRows) ||
+     (pSrcA->numRows != pDst->numRows) || (pSrcB->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif
+  {
+    /* Matrix transpose */
+    do
+    {
+      /* Apply loop unrolling and exchange the columns with row elements */
+      col = numColsB >> 2;
+
+      /* The pointer px is set to starting address of the column being processed */
+      px = pSrcBT + i;
+
+      /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.        
+       ** a second loop below computes the remaining 1 to 3 samples. */
+      while(col > 0u)
+      {
+#ifndef UNALIGNED_SUPPORT_DISABLE
+        /* Read two elements from the row */
+        in = *__SIMD32(pInB)++;
+
+        /* Unpack and store one element in the destination */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        *px = (q15_t) in;
+
+#else
+
+        *px = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#endif /*    #ifndef ARM_MATH_BIG_ENDIAN    */
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Unpack and store the second element in the destination */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        *px = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#else
+
+        *px = (q15_t) in;
+
+#endif /*    #ifndef ARM_MATH_BIG_ENDIAN    */
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Read two elements from the row */
+        in = *__SIMD32(pInB)++;
+
+        /* Unpack and store one element in the destination */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        *px = (q15_t) in;
+
+#else
+
+        *px = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#endif /*    #ifndef ARM_MATH_BIG_ENDIAN    */
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Unpack and store the second element in the destination */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        *px = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#else
+
+        *px = (q15_t) in;
+
+#endif /*    #ifndef ARM_MATH_BIG_ENDIAN    */
+
+#else
+
+        /* Read one element from the row */
+        in = *pInB++;
+
+        /* Store one element in the destination */
+        *px = in;
+ 
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Read one element from the row */
+        in = *pInB++;
+
+        /* Store one element in the destination */
+        *px = in;
+ 
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Read one element from the row */
+        in = *pInB++;
+
+        /* Store one element in the destination */
+        *px = in;
+ 
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Read one element from the row */
+        in = *pInB++;
+
+        /* Store one element in the destination */
+        *px = in;
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+        
+		/* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Decrement the column loop counter */
+        col--;
+      }
+
+      /* If the columns of pSrcB is not a multiple of 4, compute any remaining output samples here.        
+       ** No loop unrolling is used. */
+      col = numColsB % 0x4u;
+
+      while(col > 0u)
+      {
+        /* Read and store the input element in the destination */
+        *px = *pInB++;
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Decrement the column loop counter */
+        col--;
+      }
+
+      i++;
+
+      /* Decrement the row loop counter */
+      row--;
+
+    } while(row > 0u);
+
+    /* Reset the variables for the usage in the following multiplication process */
+    row = numRowsA;
+    i = 0u;
+    px = pDst->pData;
+
+    /* The following loop performs the dot-product of each row in pSrcA with each column in pSrcB */
+    /* row loop */
+    do
+    {
+      /* For every row wise process, the column loop counter is to be initiated */
+      col = numColsB;
+
+      /* For every row wise process, the pIn2 pointer is set        
+       ** to the starting address of the transposed pSrcB data */
+      pInB = pSrcBT;
+
+      /* column loop */
+      do
+      {
+        /* Set the variable sum, that acts as accumulator, to zero */
+        sum = 0;
+
+        /* Apply loop unrolling and compute 2 MACs simultaneously. */
+        colCnt = numColsA >> 2;
+
+        /* Initiate the pointer pIn1 to point to the starting address of the column being processed */
+        pInA = pSrcA->pData + i;
+
+        /* matrix multiplication */
+        while(colCnt > 0u)
+        {
+          /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+          inA1 = *__SIMD32(pInA)++;
+          inB1 = *__SIMD32(pInB)++;
+          inA2 = *__SIMD32(pInA)++;
+          inB2 = *__SIMD32(pInB)++;
+
+          sum = __SMLAD(inA1, inB1, sum);
+          sum = __SMLAD(inA2, inB2, sum);
+
+#else
+
+          inA1 = *pInA++;
+          inB1 = *pInB++;
+          inA2 = *pInA++;
+          sum += inA1 * inB1;
+          inB2 = *pInB++;
+
+          inA1 = *pInA++;
+          inB1 = *pInB++;
+          sum += inA2 * inB2;
+          inA2 = *pInA++;
+          inB2 = *pInB++;
+
+          sum += inA1 * inB1;
+          sum += inA2 * inB2;
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+          /* Decrement the loop counter */
+          colCnt--;
+        }
+
+        /* process odd column samples */
+        colCnt = numColsA % 0x4u;
+
+        while(colCnt > 0u)
+        {
+          /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */
+          sum += (q31_t) (*pInA++) * (*pInB++);
+
+          colCnt--;
+        }
+
+        /* Saturate and store the result in the destination buffer */
+        *px = (q15_t) (sum >> 15);
+        px++;
+
+        /* Decrement the column loop counter */
+        col--;
+
+      } while(col > 0u);
+
+      i = i + numColsA;
+
+      /* Decrement the row loop counter */
+      row--;
+
+    } while(row > 0u);
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+/**        
+ * @} end of MatrixMult group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_fast_q31.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_fast_q31.c
new file mode 100644
index 0000000000..a7b08fbabf
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_fast_q31.c
@@ -0,0 +1,218 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_mult_fast_q31.c    
+*    
+* Description:	 Q31 matrix multiplication (fast variant).    
+*    
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @addtogroup MatrixMult    
+ * @{    
+ */
+
+/**    
+ * @brief Q31 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4    
+ * @param[in]       *pSrcA points to the first input matrix structure    
+ * @param[in]       *pSrcB points to the second input matrix structure    
+ * @param[out]      *pDst points to output matrix structure    
+ * @return     		The function returns either    
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The difference between the function arm_mat_mult_q31() and this fast variant is that    
+ * the fast variant use a 32-bit rather than a 64-bit accumulator.    
+ * The result of each 1.31 x 1.31 multiplication is truncated to    
+ * 2.30 format. These intermediate results are accumulated in a 32-bit register in 2.30    
+ * format. Finally, the accumulator is saturated and converted to a 1.31 result.    
+ *    
+ * \par    
+ * The fast version has the same overflow behavior as the standard version but provides    
+ * less precision since it discards the low 32 bits of each multiplication result.    
+ * In order to avoid overflows completely the input signals must be scaled down.    
+ * Scale down one of the input matrices by log2(numColsA) bits to    
+ * avoid overflows, as a total of numColsA additions are computed internally for each    
+ * output element.    
+ *    
+ * \par    
+ * See arm_mat_mult_q31() for a slower implementation of this function    
+ * which uses 64-bit accumulation to provide higher precision.    
+ */
+
+arm_status arm_mat_mult_fast_q31(
+  const arm_matrix_instance_q31 * pSrcA,
+  const arm_matrix_instance_q31 * pSrcB,
+  arm_matrix_instance_q31 * pDst)
+{
+  q31_t *pIn1 = pSrcA->pData;                    /* input data matrix pointer A */
+  q31_t *pIn2 = pSrcB->pData;                    /* input data matrix pointer B */
+  q31_t *pInA = pSrcA->pData;                    /* input data matrix pointer A */
+//  q31_t *pSrcB = pSrcB->pData;                    /* input data matrix pointer B */    
+  q31_t *pOut = pDst->pData;                     /* output data matrix pointer */
+  q31_t *px;                                     /* Temporary output data matrix pointer */
+  q31_t sum;                                     /* Accumulator */
+  uint16_t numRowsA = pSrcA->numRows;            /* number of rows of input matrix A    */
+  uint16_t numColsB = pSrcB->numCols;            /* number of columns of input matrix B */
+  uint16_t numColsA = pSrcA->numCols;            /* number of columns of input matrix A */
+  uint16_t col, i = 0u, j, row = numRowsA, colCnt;      /* loop counters */
+  arm_status status;                             /* status of matrix multiplication */
+  q31_t inA1, inA2, inA3, inA4, inB1, inB2, inB3, inB4;
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+
+  /* Check for matrix mismatch condition */
+  if((pSrcA->numCols != pSrcB->numRows) ||
+     (pSrcA->numRows != pDst->numRows) || (pSrcB->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*      #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+    /* The following loop performs the dot-product of each row in pSrcA with each column in pSrcB */
+    /* row loop */
+    do
+    {
+      /* Output pointer is set to starting address of the row being processed */
+      px = pOut + i;
+
+      /* For every row wise process, the column loop counter is to be initiated */
+      col = numColsB;
+
+      /* For every row wise process, the pIn2 pointer is set    
+       ** to the starting address of the pSrcB data */
+      pIn2 = pSrcB->pData;
+
+      j = 0u;
+
+      /* column loop */
+      do
+      {
+        /* Set the variable sum, that acts as accumulator, to zero */
+        sum = 0;
+
+        /* Initiate the pointer pIn1 to point to the starting address of pInA */
+        pIn1 = pInA;
+
+        /* Apply loop unrolling and compute 4 MACs simultaneously. */
+        colCnt = numColsA >> 2;
+
+
+        /* matrix multiplication */
+        while(colCnt > 0u)
+        {
+          /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */
+          /* Perform the multiply-accumulates */
+          inB1 = *pIn2;
+          pIn2 += numColsB;
+
+          inA1 = pIn1[0];
+          inA2 = pIn1[1];
+
+          inB2 = *pIn2;
+          pIn2 += numColsB;
+
+          inB3 = *pIn2;
+          pIn2 += numColsB;
+
+          sum = (q31_t) ((((q63_t) sum << 32) + ((q63_t) inA1 * inB1)) >> 32);
+          sum = (q31_t) ((((q63_t) sum << 32) + ((q63_t) inA2 * inB2)) >> 32);
+
+          inA3 = pIn1[2];
+          inA4 = pIn1[3];
+
+          inB4 = *pIn2;
+          pIn2 += numColsB;
+
+          sum = (q31_t) ((((q63_t) sum << 32) + ((q63_t) inA3 * inB3)) >> 32);
+          sum = (q31_t) ((((q63_t) sum << 32) + ((q63_t) inA4 * inB4)) >> 32);
+
+          pIn1 += 4u;
+
+          /* Decrement the loop counter */
+          colCnt--;
+        }
+
+        /* If the columns of pSrcA is not a multiple of 4, compute any remaining output samples here.    
+         ** No loop unrolling is used. */
+        colCnt = numColsA % 0x4u;
+
+        while(colCnt > 0u)
+        {
+          /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */
+          /* Perform the multiply-accumulates */
+          sum = (q31_t) ((((q63_t) sum << 32) +
+                          ((q63_t) * pIn1++ * (*pIn2))) >> 32);
+          pIn2 += numColsB;
+
+          /* Decrement the loop counter */
+          colCnt--;
+        }
+
+        /* Convert the result from 2.30 to 1.31 format and store in destination buffer */
+        *px++ = sum << 1;
+
+        /* Update the pointer pIn2 to point to the  starting address of the next column */
+        j++;
+        pIn2 = pSrcB->pData + j;
+
+        /* Decrement the column loop counter */
+        col--;
+
+      } while(col > 0u);
+
+      /* Update the pointer pInA to point to the  starting address of the next row */
+      i = i + numColsB;
+      pInA = pInA + numColsA;
+
+      /* Decrement the row loop counter */
+      row--;
+
+    } while(row > 0u);
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+  /* Return to application */
+  return (status);
+}
+
+/**    
+ * @} end of MatrixMult group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_q15.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_q15.c
new file mode 100644
index 0000000000..46ceca1f26
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_q15.c
@@ -0,0 +1,467 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_mult_q15.c    
+*    
+* Description:	 Q15 matrix multiplication.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @addtogroup MatrixMult    
+ * @{    
+ */
+
+
+/**    
+ * @brief Q15 matrix multiplication    
+ * @param[in]       *pSrcA points to the first input matrix structure    
+ * @param[in]       *pSrcB points to the second input matrix structure    
+ * @param[out]      *pDst points to output matrix structure    
+ * @param[in]		*pState points to the array for storing intermediate results   
+ * @return     		The function returns either    
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The function is implemented using a 64-bit internal accumulator. The inputs to the    
+ * multiplications are in 1.15 format and multiplications yield a 2.30 result.    
+ * The 2.30 intermediate    
+ * results are accumulated in a 64-bit accumulator in 34.30 format. This approach    
+ * provides 33 guard bits and there is no risk of overflow. The 34.30 result is then    
+ * truncated to 34.15 format by discarding the low 15 bits and then saturated to    
+ * 1.15 format.    
+ *    
+ * \par    
+ * Refer to arm_mat_mult_fast_q15() for a faster but less precise version of this function for Cortex-M3 and Cortex-M4.    
+ *    
+ */
+
+arm_status arm_mat_mult_q15(
+  const arm_matrix_instance_q15 * pSrcA,
+  const arm_matrix_instance_q15 * pSrcB,
+  arm_matrix_instance_q15 * pDst,
+  q15_t * pState)
+{
+  q63_t sum;                                     /* accumulator */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q15_t *pSrcBT = pState;                        /* input data matrix pointer for transpose */
+  q15_t *pInA = pSrcA->pData;                    /* input data matrix pointer A of Q15 type */
+  q15_t *pInB = pSrcB->pData;                    /* input data matrix pointer B of Q15 type */
+  q15_t *px;                                     /* Temporary output data matrix pointer */
+  uint16_t numRowsA = pSrcA->numRows;            /* number of rows of input matrix A    */
+  uint16_t numColsB = pSrcB->numCols;            /* number of columns of input matrix B */
+  uint16_t numColsA = pSrcA->numCols;            /* number of columns of input matrix A */
+  uint16_t numRowsB = pSrcB->numRows;            /* number of rows of input matrix A    */
+  uint16_t col, i = 0u, row = numRowsB, colCnt;  /* loop counters */
+  arm_status status;                             /* status of matrix multiplication */
+
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  q31_t in;                                      /* Temporary variable to hold the input value */
+  q31_t pSourceA1, pSourceB1, pSourceA2, pSourceB2;
+
+#else
+
+  q15_t in;                                      /* Temporary variable to hold the input value */
+  q15_t inA1, inB1, inA2, inB2;
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+#ifdef ARM_MATH_MATRIX_CHECK
+  /* Check for matrix mismatch condition */
+  if((pSrcA->numCols != pSrcB->numRows) ||
+     (pSrcA->numRows != pDst->numRows) || (pSrcB->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*    #ifdef ARM_MATH_MATRIX_CHECK    */
+  {
+    /* Matrix transpose */
+    do
+    {
+      /* Apply loop unrolling and exchange the columns with row elements */
+      col = numColsB >> 2;
+
+      /* The pointer px is set to starting address of the column being processed */
+      px = pSrcBT + i;
+
+      /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.        
+       ** a second loop below computes the remaining 1 to 3 samples. */
+      while(col > 0u)
+      {
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+        /* Read two elements from the row */
+        in = *__SIMD32(pInB)++;
+
+        /* Unpack and store one element in the destination */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        *px = (q15_t) in;
+
+#else
+
+        *px = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#endif /*    #ifndef ARM_MATH_BIG_ENDIAN    */
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Unpack and store the second element in the destination */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        *px = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#else
+
+        *px = (q15_t) in;
+
+#endif /*    #ifndef ARM_MATH_BIG_ENDIAN    */
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Read two elements from the row */
+        in = *__SIMD32(pInB)++;
+
+        /* Unpack and store one element in the destination */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        *px = (q15_t) in;
+
+#else
+
+        *px = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#endif /*    #ifndef ARM_MATH_BIG_ENDIAN    */
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Unpack and store the second element in the destination */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        *px = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#else
+
+        *px = (q15_t) in;
+
+#endif /*    #ifndef ARM_MATH_BIG_ENDIAN    */
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+#else
+
+        /* Read one element from the row */
+        in = *pInB++;
+
+        /* Store one element in the destination */
+        *px = in;
+ 
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Read one element from the row */
+        in = *pInB++;
+
+        /* Store one element in the destination */
+        *px = in;
+ 
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Read one element from the row */
+        in = *pInB++;
+
+        /* Store one element in the destination */
+        *px = in;
+ 
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Read one element from the row */
+        in = *pInB++;
+
+        /* Store one element in the destination */
+        *px = in;
+ 
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+       /* Decrement the column loop counter */
+        col--;
+      }
+
+      /* If the columns of pSrcB is not a multiple of 4, compute any remaining output samples here.        
+       ** No loop unrolling is used. */
+      col = numColsB % 0x4u;
+
+      while(col > 0u)
+      {
+        /* Read and store the input element in the destination */
+        *px = *pInB++;
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += numRowsB;
+
+        /* Decrement the column loop counter */
+        col--;
+      }
+
+      i++;
+
+      /* Decrement the row loop counter */
+      row--;
+
+    } while(row > 0u);
+
+    /* Reset the variables for the usage in the following multiplication process */
+    row = numRowsA;
+    i = 0u;
+    px = pDst->pData;
+
+    /* The following loop performs the dot-product of each row in pSrcA with each column in pSrcB */
+    /* row loop */
+    do
+    {
+      /* For every row wise process, the column loop counter is to be initiated */
+      col = numColsB;
+
+      /* For every row wise process, the pIn2 pointer is set        
+       ** to the starting address of the transposed pSrcB data */
+      pInB = pSrcBT;
+
+      /* column loop */
+      do
+      {
+        /* Set the variable sum, that acts as accumulator, to zero */
+        sum = 0;
+
+        /* Apply loop unrolling and compute 2 MACs simultaneously. */
+        colCnt = numColsA >> 2;
+
+        /* Initiate the pointer pIn1 to point to the starting address of the column being processed */
+        pInA = pSrcA->pData + i;
+
+
+        /* matrix multiplication */
+        while(colCnt > 0u)
+        {
+          /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+          /* read real and imag values from pSrcA and pSrcB buffer */
+          pSourceA1 = *__SIMD32(pInA)++;
+          pSourceB1 = *__SIMD32(pInB)++;
+
+          pSourceA2 = *__SIMD32(pInA)++;
+          pSourceB2 = *__SIMD32(pInB)++;
+
+          /* Multiply and Accumlates */
+          sum = __SMLALD(pSourceA1, pSourceB1, sum);
+          sum = __SMLALD(pSourceA2, pSourceB2, sum);
+
+#else
+          /* read real and imag values from pSrcA and pSrcB buffer */
+          inA1 = *pInA++;
+          inB1 = *pInB++;
+          inA2 = *pInA++;
+          /* Multiply and Accumlates */
+          sum += inA1 * inB1;
+          inB2 = *pInB++;
+
+          inA1 = *pInA++;
+          inB1 = *pInB++;
+          /* Multiply and Accumlates */
+          sum += inA2 * inB2;
+          inA2 = *pInA++;
+          inB2 = *pInB++;
+
+          /* Multiply and Accumlates */
+          sum += inA1 * inB1;
+          sum += inA2 * inB2;
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+          /* Decrement the loop counter */
+          colCnt--;
+        }
+
+        /* process remaining column samples */
+        colCnt = numColsA & 3u;
+
+        while(colCnt > 0u)
+        {
+          /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */
+          sum += *pInA++ * *pInB++;
+
+          /* Decrement the loop counter */
+          colCnt--;
+        }
+
+        /* Saturate and store the result in the destination buffer */
+        *px = (q15_t) (__SSAT((sum >> 15), 16));
+        px++;
+
+        /* Decrement the column loop counter */
+        col--;
+
+      } while(col > 0u);
+
+      i = i + numColsA;
+
+      /* Decrement the row loop counter */
+      row--;
+
+    } while(row > 0u);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q15_t *pIn1 = pSrcA->pData;                    /* input data matrix pointer A */
+  q15_t *pIn2 = pSrcB->pData;                    /* input data matrix pointer B */
+  q15_t *pInA = pSrcA->pData;                    /* input data matrix pointer A of Q15 type */
+  q15_t *pInB = pSrcB->pData;                    /* input data matrix pointer B of Q15 type */
+  q15_t *pOut = pDst->pData;                     /* output data matrix pointer */
+  q15_t *px;                                     /* Temporary output data matrix pointer */
+  uint16_t numColsB = pSrcB->numCols;            /* number of columns of input matrix B */
+  uint16_t numColsA = pSrcA->numCols;            /* number of columns of input matrix A */
+  uint16_t numRowsA = pSrcA->numRows;            /* number of rows of input matrix A    */
+  uint16_t col, i = 0u, row = numRowsA, colCnt;  /* loop counters */
+  arm_status status;                             /* status of matrix multiplication */
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+  /* Check for matrix mismatch condition */
+  if((pSrcA->numCols != pSrcB->numRows) ||
+     (pSrcA->numRows != pDst->numRows) || (pSrcB->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*    #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+    /* The following loop performs the dot-product of each row in pSrcA with each column in pSrcB */
+    /* row loop */
+    do
+    {
+      /* Output pointer is set to starting address of the row being processed */
+      px = pOut + i;
+
+      /* For every row wise process, the column loop counter is to be initiated */
+      col = numColsB;
+
+      /* For every row wise process, the pIn2 pointer is set          
+       ** to the starting address of the pSrcB data */
+      pIn2 = pSrcB->pData;
+
+      /* column loop */
+      do
+      {
+        /* Set the variable sum, that acts as accumulator, to zero */
+        sum = 0;
+
+        /* Initiate the pointer pIn1 to point to the starting address of pSrcA */
+        pIn1 = pInA;
+
+        /* Matrix A columns number of MAC operations are to be performed */
+        colCnt = numColsA;
+
+        /* matrix multiplication */
+        while(colCnt > 0u)
+        {
+          /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */
+          /* Perform the multiply-accumulates */
+          sum += (q31_t) * pIn1++ * *pIn2;
+          pIn2 += numColsB;
+
+          /* Decrement the loop counter */
+          colCnt--;
+        }
+
+        /* Convert the result from 34.30 to 1.15 format and store the saturated value in destination buffer */
+        /* Saturate and store the result in the destination buffer */
+        *px++ = (q15_t) __SSAT((sum >> 15), 16);
+
+        /* Decrement the column loop counter */
+        col--;
+
+        /* Update the pointer pIn2 to point to the  starting address of the next column */
+        pIn2 = pInB + (numColsB - col);
+
+      } while(col > 0u);
+
+      /* Update the pointer pSrcA to point to the  starting address of the next row */
+      i = i + numColsB;
+      pInA = pInA + numColsA;
+
+      /* Decrement the row loop counter */
+      row--;
+
+    } while(row > 0u);
+
+#endif /* #ifndef ARM_MATH_CM0 */
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+/**        
+ * @} end of MatrixMult group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_q31.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_q31.c
new file mode 100644
index 0000000000..54026e3db4
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_mult_q31.c
@@ -0,0 +1,292 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_mult_q31.c    
+*    
+* Description:	 Q31 matrix multiplication.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @addtogroup MatrixMult    
+ * @{    
+ */
+
+/**    
+ * @brief Q31 matrix multiplication    
+ * @param[in]       *pSrcA points to the first input matrix structure    
+ * @param[in]       *pSrcB points to the second input matrix structure    
+ * @param[out]      *pDst points to output matrix structure    
+ * @return     		The function returns either    
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The function is implemented using an internal 64-bit accumulator.    
+ * The accumulator has a 2.62 format and maintains full precision of the intermediate    
+ * multiplication results but provides only a single guard bit. There is no saturation    
+ * on intermediate additions. Thus, if the accumulator overflows it wraps around and    
+ * distorts the result. The input signals should be scaled down to avoid intermediate    
+ * overflows. The input is thus scaled down by log2(numColsA) bits    
+ * to avoid overflows, as a total of numColsA additions are performed internally.    
+ * The 2.62 accumulator is right shifted by 31 bits and saturated to 1.31 format to yield the final result.    
+ *    
+ * \par    
+ * See arm_mat_mult_fast_q31() for a faster but less precise implementation of this function for Cortex-M3 and Cortex-M4.    
+ *    
+ */
+
+arm_status arm_mat_mult_q31(
+  const arm_matrix_instance_q31 * pSrcA,
+  const arm_matrix_instance_q31 * pSrcB,
+  arm_matrix_instance_q31 * pDst)
+{
+  q31_t *pIn1 = pSrcA->pData;                    /* input data matrix pointer A */
+  q31_t *pIn2 = pSrcB->pData;                    /* input data matrix pointer B */
+  q31_t *pInA = pSrcA->pData;                    /* input data matrix pointer A */
+  q31_t *pOut = pDst->pData;                     /* output data matrix pointer */
+  q31_t *px;                                     /* Temporary output data matrix pointer */
+  q63_t sum;                                     /* Accumulator */
+  uint16_t numRowsA = pSrcA->numRows;            /* number of rows of input matrix A    */
+  uint16_t numColsB = pSrcB->numCols;            /* number of columns of input matrix B */
+  uint16_t numColsA = pSrcA->numCols;            /* number of columns of input matrix A */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  uint16_t col, i = 0u, j, row = numRowsA, colCnt;      /* loop counters */
+  arm_status status;                             /* status of matrix multiplication */
+  q31_t a0, a1, a2, a3, b0, b1, b2, b3;
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+
+  /* Check for matrix mismatch condition */
+  if((pSrcA->numCols != pSrcB->numRows) ||
+     (pSrcA->numRows != pDst->numRows) || (pSrcB->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*    #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+    /* The following loop performs the dot-product of each row in pSrcA with each column in pSrcB */
+    /* row loop */
+    do
+    {
+      /* Output pointer is set to starting address of the row being processed */
+      px = pOut + i;
+
+      /* For every row wise process, the column loop counter is to be initiated */
+      col = numColsB;
+
+      /* For every row wise process, the pIn2 pointer is set    
+       ** to the starting address of the pSrcB data */
+      pIn2 = pSrcB->pData;
+
+      j = 0u;
+
+      /* column loop */
+      do
+      {
+        /* Set the variable sum, that acts as accumulator, to zero */
+        sum = 0;
+
+        /* Initiate the pointer pIn1 to point to the starting address of pInA */
+        pIn1 = pInA;
+
+        /* Apply loop unrolling and compute 4 MACs simultaneously. */
+        colCnt = numColsA >> 2;
+
+
+        /* matrix multiplication */
+        while(colCnt > 0u)
+        {
+          /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */
+          /* Perform the multiply-accumulates */
+          b0 = *pIn2;
+          pIn2 += numColsB;
+
+          a0 = *pIn1++;
+          a1 = *pIn1++;
+
+          b1 = *pIn2;
+          pIn2 += numColsB;
+          b2 = *pIn2;
+          pIn2 += numColsB;
+
+          sum += (q63_t) a0 *b0;
+          sum += (q63_t) a1 *b1;
+
+          a2 = *pIn1++;
+          a3 = *pIn1++;
+
+          b3 = *pIn2;
+          pIn2 += numColsB;
+
+          sum += (q63_t) a2 *b2;
+          sum += (q63_t) a3 *b3;
+
+          /* Decrement the loop counter */
+          colCnt--;
+        }
+
+        /* If the columns of pSrcA is not a multiple of 4, compute any remaining output samples here.    
+         ** No loop unrolling is used. */
+        colCnt = numColsA % 0x4u;
+
+        while(colCnt > 0u)
+        {
+          /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */
+          /* Perform the multiply-accumulates */
+          sum += (q63_t) * pIn1++ * *pIn2;
+          pIn2 += numColsB;
+
+          /* Decrement the loop counter */
+          colCnt--;
+        }
+
+        /* Convert the result from 2.62 to 1.31 format and store in destination buffer */
+        *px++ = (q31_t) (sum >> 31);
+
+        /* Update the pointer pIn2 to point to the  starting address of the next column */
+        j++;
+        pIn2 = (pSrcB->pData) + j;
+
+        /* Decrement the column loop counter */
+        col--;
+
+      } while(col > 0u);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q31_t *pInB = pSrcB->pData;                    /* input data matrix pointer B */
+  uint16_t col, i = 0u, row = numRowsA, colCnt;  /* loop counters */
+  arm_status status;                             /* status of matrix multiplication */
+
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+  /* Check for matrix mismatch condition */
+  if((pSrcA->numCols != pSrcB->numRows) ||
+     (pSrcA->numRows != pDst->numRows) || (pSrcB->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*    #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+    /* The following loop performs the dot-product of each row in pSrcA with each column in pSrcB */
+    /* row loop */
+    do
+    {
+      /* Output pointer is set to starting address of the row being processed */
+      px = pOut + i;
+
+      /* For every row wise process, the column loop counter is to be initiated */
+      col = numColsB;
+
+      /* For every row wise process, the pIn2 pointer is set          
+       ** to the starting address of the pSrcB data */
+      pIn2 = pSrcB->pData;
+
+      /* column loop */
+      do
+      {
+        /* Set the variable sum, that acts as accumulator, to zero */
+        sum = 0;
+
+        /* Initiate the pointer pIn1 to point to the starting address of pInA */
+        pIn1 = pInA;
+
+        /* Matrix A columns number of MAC operations are to be performed */
+        colCnt = numColsA;
+
+        /* matrix multiplication */
+        while(colCnt > 0u)
+        {
+          /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */
+          /* Perform the multiply-accumulates */
+          sum += (q63_t) * pIn1++ * *pIn2;
+          pIn2 += numColsB;
+
+          /* Decrement the loop counter */
+          colCnt--;
+        }
+
+        /* Convert the result from 2.62 to 1.31 format and store in destination buffer */
+        *px++ = (q31_t) (sum >> 31);
+
+        /* Decrement the column loop counter */
+        col--;
+
+        /* Update the pointer pIn2 to point to the  starting address of the next column */
+        pIn2 = pInB + (numColsB - col);
+
+      } while(col > 0u);
+
+#endif
+
+      /* Update the pointer pInA to point to the  starting address of the next row */
+      i = i + numColsB;
+      pInA = pInA + numColsA;
+
+      /* Decrement the row loop counter */
+      row--;
+
+    } while(row > 0u);
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+  /* Return to application */
+  return (status);
+}
+
+/**    
+ * @} end of MatrixMult group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_scale_f32.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_scale_f32.c
new file mode 100644
index 0000000000..833c282a7c
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_scale_f32.c
@@ -0,0 +1,179 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:        arm_mat_scale_f32.c    
+*    
+* Description:	Multiplies a floating-point matrix by a scalar.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**        
+ * @ingroup groupMatrix        
+ */
+
+/**        
+ * @defgroup MatrixScale Matrix Scale        
+ *        
+ * Multiplies a matrix by a scalar.  This is accomplished by multiplying each element in the        
+ * matrix by the scalar.  For example:        
+ * \image html MatrixScale.gif "Matrix Scaling of a 3 x 3 matrix"        
+ *        
+ * The function checks to make sure that the input and output matrices are of the same size.        
+ *        
+ * In the fixed-point Q15 and Q31 functions, scale is represented by        
+ * a fractional multiplication scaleFract and an arithmetic shift shift.        
+ * The shift allows the gain of the scaling operation to exceed 1.0.        
+ * The overall scale factor applied to the fixed-point data is        
+ * 
        
+ *     scale = scaleFract * 2^shift.        
+ * 
        
+ */
+
+/**        
+ * @addtogroup MatrixScale        
+ * @{        
+ */
+
+/**        
+ * @brief Floating-point matrix scaling.        
+ * @param[in]       *pSrc points to input matrix structure        
+ * @param[in]       scale scale factor to be applied         
+ * @param[out]      *pDst points to output matrix structure        
+ * @return     		The function returns either ARM_MATH_SIZE_MISMATCH         
+ * or ARM_MATH_SUCCESS based on the outcome of size checking.        
+ *        
+ */
+
+arm_status arm_mat_scale_f32(
+  const arm_matrix_instance_f32 * pSrc,
+  float32_t scale,
+  arm_matrix_instance_f32 * pDst)
+{
+  float32_t *pIn = pSrc->pData;                  /* input data matrix pointer */
+  float32_t *pOut = pDst->pData;                 /* output data matrix pointer */
+  uint32_t numSamples;                           /* total number of elements in the matrix */
+  uint32_t blkCnt;                               /* loop counters */
+  arm_status status;                             /* status of matrix scaling     */
+
+#ifndef ARM_MATH_CM0
+
+  float32_t in1, in2, in3, in4;                  /* temporary variables */
+  float32_t out1, out2, out3, out4;              /* temporary variables */
+
+#endif //      #ifndef ARM_MATH_CM0
+
+#ifdef ARM_MATH_MATRIX_CHECK
+  /* Check for matrix mismatch condition */
+  if((pSrc->numRows != pDst->numRows) || (pSrc->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*    #ifdef ARM_MATH_MATRIX_CHECK    */
+  {
+    /* Total number of samples in the input matrix */
+    numSamples = (uint32_t) pSrc->numRows * pSrc->numCols;
+
+#ifndef ARM_MATH_CM0
+
+    /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+    /* Loop Unrolling */
+    blkCnt = numSamples >> 2;
+
+    /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+     ** a second loop below computes the remaining 1 to 3 samples. */
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) * scale */
+      /* Scaling and results are stored in the destination buffer. */
+      in1 = pIn[0];
+      in2 = pIn[1];
+      in3 = pIn[2];
+      in4 = pIn[3];
+
+      out1 = in1 * scale;
+      out2 = in2 * scale;
+      out3 = in3 * scale;
+      out4 = in4 * scale;
+
+
+      pOut[0] = out1;
+      pOut[1] = out2;
+      pOut[2] = out3;
+      pOut[3] = out4;
+
+      /* update pointers to process next sampels */
+      pIn += 4u;
+      pOut += 4u;
+
+      /* Decrement the numSamples loop counter */
+      blkCnt--;
+    }
+
+    /* If the numSamples is not a multiple of 4, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+    blkCnt = numSamples % 0x4u;
+
+#else
+
+    /* Run the below code for Cortex-M0 */
+
+    /* Initialize blkCnt with number of samples */
+    blkCnt = numSamples;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) * scale */
+      /* The results are stored in the destination buffer. */
+      *pOut++ = (*pIn++) * scale;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* Set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+/**        
+ * @} end of MatrixScale group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_scale_q15.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_scale_q15.c
new file mode 100644
index 0000000000..684fbcc50c
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_scale_q15.c
@@ -0,0 +1,181 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_scale_q15.c    
+*    
+* Description:	Multiplies a Q15 matrix by a scalar.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @addtogroup MatrixScale    
+ * @{    
+ */
+
+/**    
+ * @brief Q15 matrix scaling.    
+ * @param[in]       *pSrc points to input matrix    
+ * @param[in]       scaleFract fractional portion of the scale factor    
+ * @param[in]       shift number of bits to shift the result by    
+ * @param[out]      *pDst points to output matrix structure    
+ * @return     		The function returns either    
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The input data *pSrc and scaleFract are in 1.15 format.    
+ * These are multiplied to yield a 2.30 intermediate result and this is shifted with saturation to 1.15 format.    
+ */
+
+arm_status arm_mat_scale_q15(
+  const arm_matrix_instance_q15 * pSrc,
+  q15_t scaleFract,
+  int32_t shift,
+  arm_matrix_instance_q15 * pDst)
+{
+  q15_t *pIn = pSrc->pData;                      /* input data matrix pointer */
+  q15_t *pOut = pDst->pData;                     /* output data matrix pointer */
+  uint32_t numSamples;                           /* total number of elements in the matrix */
+  int32_t totShift = 15 - shift;                 /* total shift to apply after scaling */
+  uint32_t blkCnt;                               /* loop counters */
+  arm_status status;                             /* status of matrix scaling     */
+
+#ifndef ARM_MATH_CM0
+
+  q15_t in1, in2, in3, in4;
+  q31_t out1, out2, out3, out4;
+  q31_t inA1, inA2;
+
+#endif //     #ifndef ARM_MATH_CM0
+
+#ifdef ARM_MATH_MATRIX_CHECK
+  /* Check for matrix mismatch */
+  if((pSrc->numRows != pDst->numRows) || (pSrc->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif //    #ifdef ARM_MATH_MATRIX_CHECK
+  {
+    /* Total number of samples in the input matrix */
+    numSamples = (uint32_t) pSrc->numRows * pSrc->numCols;
+
+#ifndef ARM_MATH_CM0
+
+    /* Run the below code for Cortex-M4 and Cortex-M3 */
+    /* Loop Unrolling */
+    blkCnt = numSamples >> 2;
+
+    /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+     ** a second loop below computes the remaining 1 to 3 samples. */
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) * k */
+      /* Scale, saturate and then store the results in the destination buffer. */
+      /* Reading 2 inputs from memory */
+      inA1 = _SIMD32_OFFSET(pIn);
+      inA2 = _SIMD32_OFFSET(pIn + 2);
+
+      /* C = A * scale */
+      /* Scale the inputs and then store the 2 results in the destination buffer        
+       * in single cycle by packing the outputs */
+      out1 = (q31_t) ((q15_t) (inA1 >> 16) * scaleFract);
+      out2 = (q31_t) ((q15_t) inA1 * scaleFract);
+      out3 = (q31_t) ((q15_t) (inA2 >> 16) * scaleFract);
+      out4 = (q31_t) ((q15_t) inA2 * scaleFract);
+
+      out1 = out1 >> totShift;
+      inA1 = _SIMD32_OFFSET(pIn + 4);
+      out2 = out2 >> totShift;
+      inA2 = _SIMD32_OFFSET(pIn + 6);
+      out3 = out3 >> totShift;
+      out4 = out4 >> totShift;
+
+      in1 = (q15_t) (__SSAT(out1, 16));
+      in2 = (q15_t) (__SSAT(out2, 16));
+      in3 = (q15_t) (__SSAT(out3, 16));
+      in4 = (q15_t) (__SSAT(out4, 16));
+
+      _SIMD32_OFFSET(pOut) = __PKHBT(in2, in1, 16);
+      _SIMD32_OFFSET(pOut + 2) = __PKHBT(in4, in3, 16);
+
+      /* update pointers to process next sampels */
+      pIn += 4u;
+      pOut += 4u;
+
+
+      /* Decrement the numSamples loop counter */
+      blkCnt--;
+    }
+
+    /* If the numSamples is not a multiple of 4, compute any remaining output samples here.        
+     ** No loop unrolling is used. */
+    blkCnt = numSamples % 0x4u;
+
+#else
+
+    /* Run the below code for Cortex-M0 */
+
+    /* Initialize blkCnt with number of samples */
+    blkCnt = numSamples;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) * k */
+      /* Scale, saturate and then store the results in the destination buffer. */
+      *pOut++ =
+        (q15_t) (__SSAT(((q31_t) (*pIn++) * scaleFract) >> totShift, 16));
+
+      /* Decrement the numSamples loop counter */
+      blkCnt--;
+    }
+    /* Set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+/**        
+ * @} end of MatrixScale group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_scale_q31.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_scale_q31.c
new file mode 100644
index 0000000000..7227ad38ae
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_scale_q31.c
@@ -0,0 +1,201 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_scale_q31.c    
+*    
+* Description:	Multiplies a Q31 matrix by a scalar.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**        
+ * @ingroup groupMatrix        
+ */
+
+/**        
+ * @addtogroup MatrixScale        
+ * @{        
+ */
+
+/**        
+ * @brief Q31 matrix scaling.        
+ * @param[in]       *pSrc points to input matrix        
+ * @param[in]       scaleFract fractional portion of the scale factor        
+ * @param[in]       shift number of bits to shift the result by        
+ * @param[out]      *pDst points to output matrix structure        
+ * @return     		The function returns either        
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.        
+ *        
+ * @details        
+ * Scaling and Overflow Behavior:        
+ * \par        
+ * The input data *pSrc and scaleFract are in 1.31 format.        
+ * These are multiplied to yield a 2.62 intermediate result and this is shifted with saturation to 1.31 format.        
+ */
+
+arm_status arm_mat_scale_q31(
+  const arm_matrix_instance_q31 * pSrc,
+  q31_t scaleFract,
+  int32_t shift,
+  arm_matrix_instance_q31 * pDst)
+{
+  q31_t *pIn = pSrc->pData;                      /* input data matrix pointer */
+  q31_t *pOut = pDst->pData;                     /* output data matrix pointer */
+  uint32_t numSamples;                           /* total number of elements in the matrix */
+  int32_t totShift = shift + 1;                  /* shift to apply after scaling */
+  uint32_t blkCnt;                               /* loop counters  */
+  arm_status status;                             /* status of matrix scaling      */
+  q31_t in1, in2, out1;                          /* temporary variabels */
+
+#ifndef ARM_MATH_CM0
+
+  q31_t in3, in4, out2, out3, out4;              /* temporary variables */
+
+#endif //      #ifndef ARM_MAT_CM0
+
+#ifdef ARM_MATH_MATRIX_CHECK
+  /* Check for matrix mismatch  */
+  if((pSrc->numRows != pDst->numRows) || (pSrc->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif //    #ifdef ARM_MATH_MATRIX_CHECK
+  {
+    /* Total number of samples in the input matrix */
+    numSamples = (uint32_t) pSrc->numRows * pSrc->numCols;
+
+#ifndef ARM_MATH_CM0
+
+    /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+    /* Loop Unrolling */
+    blkCnt = numSamples >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+     ** a second loop below computes the remaining 1 to 3 samples. */
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) * k */
+      /* Read values from input */
+      in1 = *pIn;
+      in2 = *(pIn + 1);
+      in3 = *(pIn + 2);
+      in4 = *(pIn + 3);
+
+      /* multiply input with scaler value */
+      in1 = ((q63_t) in1 * scaleFract) >> 32;
+      in2 = ((q63_t) in2 * scaleFract) >> 32;
+      in3 = ((q63_t) in3 * scaleFract) >> 32;
+      in4 = ((q63_t) in4 * scaleFract) >> 32;
+
+      /* apply shifting */
+      out1 = in1 << totShift;
+      out2 = in2 << totShift;
+
+      /* saturate the results. */
+      if(in1 != (out1 >> totShift))
+        out1 = 0x7FFFFFFF ^ (in1 >> 31);
+
+      if(in2 != (out2 >> totShift))
+        out2 = 0x7FFFFFFF ^ (in2 >> 31);
+
+      out3 = in3 << totShift;
+      out4 = in4 << totShift;
+
+      *pOut = out1;
+      *(pOut + 1) = out2;
+
+      if(in3 != (out3 >> totShift))
+        out3 = 0x7FFFFFFF ^ (in3 >> 31);
+
+      if(in4 != (out4 >> totShift))
+        out4 = 0x7FFFFFFF ^ (in4 >> 31);
+
+
+      *(pOut + 2) = out3;
+      *(pOut + 3) = out4;
+
+      /* update pointers to process next sampels */
+      pIn += 4u;
+      pOut += 4u;
+
+
+      /* Decrement the numSamples loop counter */
+      blkCnt--;
+    }
+
+    /* If the numSamples is not a multiple of 4, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+    blkCnt = numSamples % 0x4u;
+
+#else
+
+    /* Run the below code for Cortex-M0 */
+
+    /* Initialize blkCnt with number of samples */
+    blkCnt = numSamples;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) * k */
+      /* Scale, saturate and then store the results in the destination buffer. */
+      in1 = *pIn++;
+
+      in2 = ((q63_t) in1 * scaleFract) >> 32;
+
+      out1 = in2 << totShift;
+
+      if(in2 != (out1 >> totShift))
+        out1 = 0x7FFFFFFF ^ (in2 >> 31);
+
+      *pOut++ = out1;
+
+      /* Decrement the numSamples loop counter */
+      blkCnt--;
+    }
+
+    /* Set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+/**        
+ * @} end of MatrixScale group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_sub_f32.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_sub_f32.c
new file mode 100644
index 0000000000..6ee7a46c8f
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_sub_f32.c
@@ -0,0 +1,207 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_sub_f32.c    
+*    
+* Description:	Floating-point matrix subtraction.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**        
+ * @ingroup groupMatrix        
+ */
+
+/**        
+ * @defgroup MatrixSub Matrix Subtraction        
+ *        
+ * Subtract two matrices.        
+ * \image html MatrixSubtraction.gif "Subraction of two 3 x 3 matrices"        
+ *        
+ * The functions check to make sure that        
+ * pSrcA, pSrcB, and pDst have the same        
+ * number of rows and columns.        
+ */
+
+/**        
+ * @addtogroup MatrixSub        
+ * @{        
+ */
+
+/**        
+ * @brief Floating-point matrix subtraction        
+ * @param[in]       *pSrcA points to the first input matrix structure        
+ * @param[in]       *pSrcB points to the second input matrix structure        
+ * @param[out]      *pDst points to output matrix structure        
+ * @return     		The function returns either        
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.        
+ */
+
+arm_status arm_mat_sub_f32(
+  const arm_matrix_instance_f32 * pSrcA,
+  const arm_matrix_instance_f32 * pSrcB,
+  arm_matrix_instance_f32 * pDst)
+{
+  float32_t *pIn1 = pSrcA->pData;                /* input data matrix pointer A */
+  float32_t *pIn2 = pSrcB->pData;                /* input data matrix pointer B */
+  float32_t *pOut = pDst->pData;                 /* output data matrix pointer  */
+
+#ifndef ARM_MATH_CM0
+
+  float32_t inA1, inA2, inB1, inB2, out1, out2;  /* temporary variables */
+
+#endif //      #ifndef ARM_MATH_CM0
+
+  uint32_t numSamples;                           /* total number of elements in the matrix  */
+  uint32_t blkCnt;                               /* loop counters */
+  arm_status status;                             /* status of matrix subtraction */
+
+#ifdef ARM_MATH_MATRIX_CHECK
+  /* Check for matrix mismatch condition */
+  if((pSrcA->numRows != pSrcB->numRows) ||
+     (pSrcA->numCols != pSrcB->numCols) ||
+     (pSrcA->numRows != pDst->numRows) || (pSrcA->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*    #ifdef ARM_MATH_MATRIX_CHECK    */
+  {
+    /* Total number of samples in the input matrix */
+    numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols;
+
+#ifndef ARM_MATH_CM0
+
+    /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+    /* Loop Unrolling */
+    blkCnt = numSamples >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+     ** a second loop below computes the remaining 1 to 3 samples. */
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) - B(m,n) */
+      /* Subtract and then store the results in the destination buffer. */
+      /* Read values from source A */
+      inA1 = pIn1[0];
+
+      /* Read values from source B */
+      inB1 = pIn2[0];
+
+      /* Read values from source A */
+      inA2 = pIn1[1];
+
+      /* out = sourceA - sourceB */
+      out1 = inA1 - inB1;
+
+      /* Read values from source B */
+      inB2 = pIn2[1];
+
+      /* Read values from source A */
+      inA1 = pIn1[2];
+
+      /* out = sourceA - sourceB */
+      out2 = inA2 - inB2;
+
+      /* Read values from source B */
+      inB1 = pIn2[2];
+
+      /* Store result in destination */
+      pOut[0] = out1;
+      pOut[1] = out2;
+
+      /* Read values from source A */
+      inA2 = pIn1[3];
+
+      /* Read values from source B */
+      inB2 = pIn2[3];
+
+      /* out = sourceA - sourceB */
+      out1 = inA1 - inB1;
+
+
+      /* out = sourceA - sourceB */
+      out2 = inA2 - inB2;
+
+      /* Store result in destination */
+      pOut[2] = out1;
+
+      /* Store result in destination */
+      pOut[3] = out2;
+
+
+      /* update pointers to process next sampels */
+      pIn1 += 4u;
+      pIn2 += 4u;
+      pOut += 4u;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the numSamples is not a multiple of 4, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+    blkCnt = numSamples % 0x4u;
+
+#else
+
+    /* Run the below code for Cortex-M0 */
+
+    /* Initialize blkCnt with number of samples */
+    blkCnt = numSamples;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) - B(m,n) */
+      /* Subtract and then store the results in the destination buffer. */
+      *pOut++ = (*pIn1++) - (*pIn2++);
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* Set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+/**        
+ * @} end of MatrixSub group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_sub_q15.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_sub_q15.c
new file mode 100644
index 0000000000..ea32f04bd1
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_sub_q15.c
@@ -0,0 +1,158 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_sub_q15.c    
+*    
+* Description:	Q15 Matrix subtraction    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @addtogroup MatrixSub    
+ * @{    
+ */
+
+/**    
+ * @brief Q15 matrix subtraction.    
+ * @param[in]       *pSrcA points to the first input matrix structure    
+ * @param[in]       *pSrcB points to the second input matrix structure    
+ * @param[out]      *pDst points to output matrix structure    
+ * @return     		The function returns either    
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.    
+ *    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function uses saturating arithmetic.    
+ * Results outside of the allowable Q15 range [0x8000 0x7FFF] will be saturated.    
+ */
+
+arm_status arm_mat_sub_q15(
+  const arm_matrix_instance_q15 * pSrcA,
+  const arm_matrix_instance_q15 * pSrcB,
+  arm_matrix_instance_q15 * pDst)
+{
+  q15_t *pInA = pSrcA->pData;                    /* input data matrix pointer A */
+  q15_t *pInB = pSrcB->pData;                    /* input data matrix pointer B */
+  q15_t *pOut = pDst->pData;                     /* output data matrix pointer */
+  uint32_t numSamples;                           /* total number of elements in the matrix */
+  uint32_t blkCnt;                               /* loop counters  */
+  arm_status status;                             /* status of matrix subtraction  */
+
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+
+  /* Check for matrix mismatch condition */
+  if((pSrcA->numRows != pSrcB->numRows) ||
+     (pSrcA->numCols != pSrcB->numCols) ||
+     (pSrcA->numRows != pDst->numRows) || (pSrcA->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*    #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+    /* Total number of samples in the input matrix */
+    numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols;
+
+#ifndef ARM_MATH_CM0
+
+    /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+    /* Apply loop unrolling */
+    blkCnt = numSamples >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+     ** a second loop below computes the remaining 1 to 3 samples. */
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) - B(m,n) */
+      /* Subtract, Saturate and then store the results in the destination buffer. */
+      *__SIMD32(pOut)++ = __QSUB16(*__SIMD32(pInA)++, *__SIMD32(pInB)++);
+      *__SIMD32(pOut)++ = __QSUB16(*__SIMD32(pInA)++, *__SIMD32(pInB)++);
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+     ** No loop unrolling is used. */
+    blkCnt = numSamples % 0x4u;
+
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) - B(m,n) */
+      /* Subtract and then store the results in the destination buffer. */
+      *pOut++ = (q15_t) __QSUB16(*pInA++, *pInB++);
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+#else
+
+    /* Run the below code for Cortex-M0 */
+
+    /* Initialize blkCnt with number of samples */
+    blkCnt = numSamples;
+
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) - B(m,n) */
+      /* Subtract and then store the results in the destination buffer. */
+      *pOut++ = (q15_t) __SSAT(((q31_t) * pInA++ - *pInB++), 16);
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+    /* Set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+/**    
+ * @} end of MatrixSub group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_sub_q31.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_sub_q31.c
new file mode 100644
index 0000000000..157d59b725
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_sub_q31.c
@@ -0,0 +1,206 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_sub_q31.c    
+*    
+* Description:	Q31 matrix subtraction    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**        
+ * @ingroup groupMatrix        
+ */
+
+/**        
+ * @addtogroup MatrixSub        
+ * @{        
+ */
+
+/**        
+ * @brief Q31 matrix subtraction.        
+ * @param[in]       *pSrcA points to the first input matrix structure        
+ * @param[in]       *pSrcB points to the second input matrix structure        
+ * @param[out]      *pDst points to output matrix structure        
+ * @return     		The function returns either        
+ * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.        
+ *        
+ * Scaling and Overflow Behavior:        
+ * \par        
+ * The function uses saturating arithmetic.        
+ * Results outside of the allowable Q31 range [0x80000000 0x7FFFFFFF] will be saturated.        
+ */
+
+
+arm_status arm_mat_sub_q31(
+  const arm_matrix_instance_q31 * pSrcA,
+  const arm_matrix_instance_q31 * pSrcB,
+  arm_matrix_instance_q31 * pDst)
+{
+  q31_t *pIn1 = pSrcA->pData;                    /* input data matrix pointer A */
+  q31_t *pIn2 = pSrcB->pData;                    /* input data matrix pointer B */
+  q31_t *pOut = pDst->pData;                     /* output data matrix pointer */
+  q31_t inA1, inB1;                              /* temporary variables */
+
+#ifndef ARM_MATH_CM0
+
+  q31_t inA2, inB2;                              /* temporary variables */
+  q31_t out1, out2;                              /* temporary variables */
+
+#endif //      #ifndef ARM_MATH_CM0
+
+  uint32_t numSamples;                           /* total number of elements in the matrix  */
+  uint32_t blkCnt;                               /* loop counters */
+  arm_status status;                             /* status of matrix subtraction */
+
+
+#ifdef ARM_MATH_MATRIX_CHECK
+  /* Check for matrix mismatch condition  */
+  if((pSrcA->numRows != pSrcB->numRows) ||
+     (pSrcA->numCols != pSrcB->numCols) ||
+     (pSrcA->numRows != pDst->numRows) || (pSrcA->numCols != pDst->numCols))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif
+  {
+    /* Total number of samples in the input matrix */
+    numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols;
+
+#ifndef ARM_MATH_CM0
+
+    /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+    /* Loop Unrolling */
+    blkCnt = numSamples >> 2u;
+
+    /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+     ** a second loop below computes the remaining 1 to 3 samples. */
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) - B(m,n) */
+      /* Subtract, saturate and then store the results in the destination buffer. */
+      /* Read values from source A */
+      inA1 = pIn1[0];
+
+      /* Read values from source B */
+      inB1 = pIn2[0];
+
+      /* Read values from source A */
+      inA2 = pIn1[1];
+
+      /* Subtract and saturate */
+      out1 = __QSUB(inA1, inB1);
+
+      /* Read values from source B */
+      inB2 = pIn2[1];
+
+      /* Read values from source A */
+      inA1 = pIn1[2];
+
+      /* Subtract and saturate */
+      out2 = __QSUB(inA2, inB2);
+
+      /* Read values from source B */
+      inB1 = pIn2[2];
+
+      /* Store result in destination */
+      pOut[0] = out1;
+      pOut[1] = out2;
+
+      /* Read values from source A */
+      inA2 = pIn1[3];
+
+      /* Read values from source B */
+      inB2 = pIn2[3];
+
+      /* Subtract and saturate */
+      out1 = __QSUB(inA1, inB1);
+
+      /* Subtract and saturate */
+      out2 = __QSUB(inA2, inB2);
+
+      /* Store result in destination */
+      pOut[2] = out1;
+      pOut[3] = out2;
+
+      /* update pointers to process next samples */
+      pIn1 += 4u;
+      pIn2 += 4u;
+      pOut += 4u;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* If the numSamples is not a multiple of 4, compute any remaining output samples here.        
+     ** No loop unrolling is used. */
+    blkCnt = numSamples % 0x4u;
+
+#else
+
+    /* Run the below code for Cortex-M0 */
+
+    /* Initialize blkCnt with number of samples */
+    blkCnt = numSamples;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+    while(blkCnt > 0u)
+    {
+      /* C(m,n) = A(m,n) - B(m,n) */
+      /* Subtract, saturate and then store the results in the destination buffer. */
+      inA1 = *pIn1++;
+      inB1 = *pIn2++;
+
+      inA1 = __QSUB(inA1, inB1);
+
+      *pOut++ = inA1;
+
+      /* Decrement the loop counter */
+      blkCnt--;
+    }
+
+    /* Set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+/**        
+ * @} end of MatrixSub group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_trans_f32.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_trans_f32.c
new file mode 100644
index 0000000000..721b512b79
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_trans_f32.c
@@ -0,0 +1,216 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_trans_f32.c    
+*    
+* Description:	Floating-point matrix transpose.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+/**    
+ * @defgroup MatrixTrans Matrix Transpose    
+ *    
+ * Tranposes a matrix.    
+ * Transposing an M x N matrix flips it around the center diagonal and results in an N x M matrix.    
+ * \image html MatrixTranspose.gif "Transpose of a 3 x 3 matrix"    
+ */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @addtogroup MatrixTrans    
+ * @{    
+ */
+
+/**    
+  * @brief Floating-point matrix transpose.    
+  * @param[in]  *pSrc points to the input matrix    
+  * @param[out] *pDst points to the output matrix    
+  * @return 	The function returns either  ARM_MATH_SIZE_MISMATCH    
+  * or ARM_MATH_SUCCESS based on the outcome of size checking.    
+  */
+
+
+arm_status arm_mat_trans_f32(
+  const arm_matrix_instance_f32 * pSrc,
+  arm_matrix_instance_f32 * pDst)
+{
+  float32_t *pIn = pSrc->pData;                  /* input data matrix pointer */
+  float32_t *pOut = pDst->pData;                 /* output data matrix pointer */
+  float32_t *px;                                 /* Temporary output data matrix pointer */
+  uint16_t nRows = pSrc->numRows;                /* number of rows */
+  uint16_t nColumns = pSrc->numCols;             /* number of columns */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  uint16_t blkCnt, i = 0u, row = nRows;          /* loop counters */
+  arm_status status;                             /* status of matrix transpose  */
+
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+
+  /* Check for matrix mismatch condition */
+  if((pSrc->numRows != pDst->numCols) || (pSrc->numCols != pDst->numRows))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*    #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+    /* Matrix transpose by exchanging the rows with columns */
+    /* row loop     */
+    do
+    {
+      /* Loop Unrolling */
+      blkCnt = nColumns >> 2;
+
+      /* The pointer px is set to starting address of the column being processed */
+      px = pOut + i;
+
+      /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+       ** a second loop below computes the remaining 1 to 3 samples. */
+      while(blkCnt > 0u)        /* column loop */
+      {
+        /* Read and store the input element in the destination */
+        *px = *pIn++;
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += nRows;
+
+        /* Read and store the input element in the destination */
+        *px = *pIn++;
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += nRows;
+
+        /* Read and store the input element in the destination */
+        *px = *pIn++;
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += nRows;
+
+        /* Read and store the input element in the destination */
+        *px = *pIn++;
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += nRows;
+
+        /* Decrement the column loop counter */
+        blkCnt--;
+      }
+
+      /* Perform matrix transpose for last 3 samples here. */
+      blkCnt = nColumns % 0x4u;
+
+      while(blkCnt > 0u)
+      {
+        /* Read and store the input element in the destination */
+        *px = *pIn++;
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += nRows;
+
+        /* Decrement the column loop counter */
+        blkCnt--;
+      }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  uint16_t col, i = 0u, row = nRows;             /* loop counters */
+  arm_status status;                             /* status of matrix transpose  */
+
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+  /* Check for matrix mismatch condition */
+  if((pSrc->numRows != pDst->numCols) || (pSrc->numCols != pDst->numRows))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*      #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+    /* Matrix transpose by exchanging the rows with columns */
+    /* row loop     */
+    do
+    {
+      /* The pointer px is set to starting address of the column being processed */
+      px = pOut + i;
+
+      /* Initialize column loop counter */
+      col = nColumns;
+
+      while(col > 0u)
+      {
+        /* Read and store the input element in the destination */
+        *px = *pIn++;
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += nRows;
+
+        /* Decrement the column loop counter */
+        col--;
+      }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+      i++;
+
+      /* Decrement the row loop counter */
+      row--;
+
+    } while(row > 0u);          /* row loop end  */
+
+    /* Set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+/**    
+ * @} end of MatrixTrans group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_trans_q15.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_trans_q15.c
new file mode 100644
index 0000000000..bb03e72de0
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_trans_q15.c
@@ -0,0 +1,282 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_trans_q15.c    
+*    
+* Description:	Q15 matrix transpose.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @addtogroup MatrixTrans    
+ * @{    
+ */
+
+/*    
+ * @brief Q15 matrix transpose.    
+ * @param[in]  *pSrc points to the input matrix    
+ * @param[out] *pDst points to the output matrix    
+ * @return 	The function returns either  ARM_MATH_SIZE_MISMATCH    
+ * or ARM_MATH_SUCCESS based on the outcome of size checking.    
+ */
+
+arm_status arm_mat_trans_q15(
+  const arm_matrix_instance_q15 * pSrc,
+  arm_matrix_instance_q15 * pDst)
+{
+  q15_t *pSrcA = pSrc->pData;                    /* input data matrix pointer */
+  q15_t *pOut = pDst->pData;                     /* output data matrix pointer */
+  uint16_t nRows = pSrc->numRows;                /* number of nRows */
+  uint16_t nColumns = pSrc->numCols;             /* number of nColumns */
+  uint16_t col, row = nRows, i = 0u;             /* row and column loop counters */
+  arm_status status;                             /* status of matrix transpose */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+  q31_t in;                                      /* variable to hold temporary output  */
+
+#else
+
+  q15_t in;
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+
+  /* Check for matrix mismatch condition */
+  if((pSrc->numRows != pDst->numCols) || (pSrc->numCols != pDst->numRows))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*      #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+    /* Matrix transpose by exchanging the rows with columns */
+    /* row loop     */
+    do
+    {
+
+      /* Apply loop unrolling and exchange the columns with row elements */
+      col = nColumns >> 2u;
+
+      /* The pointer pOut is set to starting address of the column being processed */
+      pOut = pDst->pData + i;
+
+      /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+       ** a second loop below computes the remaining 1 to 3 samples. */
+      while(col > 0u)
+      {
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+        /* Read two elements from the row */
+        in = *__SIMD32(pSrcA)++;
+
+        /* Unpack and store one element in the destination */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        *pOut = (q15_t) in;
+
+#else
+
+        *pOut = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#endif /*    #ifndef ARM_MATH_BIG_ENDIAN    */
+
+        /* Update the pointer pOut to point to the next row of the transposed matrix */
+        pOut += nRows;
+
+        /* Unpack and store the second element in the destination */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        *pOut = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#else
+
+        *pOut = (q15_t) in;
+
+#endif /*    #ifndef ARM_MATH_BIG_ENDIAN    */
+
+        /* Update the pointer pOut to point to the next row of the transposed matrix */
+        pOut += nRows;
+
+        /* Read two elements from the row */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        in = *__SIMD32(pSrcA)++;
+
+#else
+
+        in = *__SIMD32(pSrcA)++;
+
+#endif /*    #ifndef ARM_MATH_BIG_ENDIAN    */
+
+        /* Unpack and store one element in the destination */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        *pOut = (q15_t) in;
+
+#else
+
+        *pOut = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#endif /*    #ifndef ARM_MATH_BIG_ENDIAN    */
+
+        /* Update the pointer pOut to point to the next row of the transposed matrix */
+        pOut += nRows;
+
+        /* Unpack and store the second element in the destination */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        *pOut = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#else
+
+        *pOut = (q15_t) in;
+
+#endif /*    #ifndef ARM_MATH_BIG_ENDIAN    */
+
+#else	 
+        /* Read one element from the row */
+        in = *pSrcA++;
+
+        /* Store one element in the destination */
+        *pOut = in;
+ 
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        pOut += nRows;
+
+        /* Read one element from the row */
+        in = *pSrcA++;
+
+        /* Store one element in the destination */
+        *pOut = in;
+ 
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        pOut += nRows;
+
+        /* Read one element from the row */
+        in = *pSrcA++;
+
+        /* Store one element in the destination */
+        *pOut = in;
+ 
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        pOut += nRows;
+
+        /* Read one element from the row */
+        in = *pSrcA++;
+
+        /* Store one element in the destination */
+        *pOut = in;
+
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+        /* Update the pointer pOut to point to the next row of the transposed matrix */
+        pOut += nRows;
+
+        /* Decrement the column loop counter */
+        col--;
+      }
+
+      /* Perform matrix transpose for last 3 samples here. */
+      col = nColumns % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+  /* Check for matrix mismatch condition */
+  if((pSrc->numRows != pDst->numCols) || (pSrc->numCols != pDst->numRows))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*    #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+    /* Matrix transpose by exchanging the rows with columns */
+    /* row loop     */
+    do
+    {
+      /* The pointer pOut is set to starting address of the column being processed */
+      pOut = pDst->pData + i;
+
+      /* Initialize column loop counter */
+      col = nColumns;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+      while(col > 0u)
+      {
+        /* Read and store the input element in the destination */
+        *pOut = *pSrcA++;
+
+        /* Update the pointer pOut to point to the next row of the transposed matrix */
+        pOut += nRows;
+
+        /* Decrement the column loop counter */
+        col--;
+      }
+
+      i++;
+
+      /* Decrement the row loop counter */
+      row--;
+
+    } while(row > 0u);
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+  /* Return to application */
+  return (status);
+}
+
+/**    
+ * @} end of MatrixTrans group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_trans_q31.c b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_trans_q31.c
new file mode 100644
index 0000000000..70cb018605
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_trans_q31.c
@@ -0,0 +1,208 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_mat_trans_q31.c    
+*    
+* Description:	Q31 matrix transpose.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+*    incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupMatrix    
+ */
+
+/**    
+ * @addtogroup MatrixTrans    
+ * @{    
+ */
+
+/*    
+  * @brief Q31 matrix transpose.    
+  * @param[in]  *pSrc points to the input matrix    
+  * @param[out] *pDst points to the output matrix    
+  * @return 	The function returns either  ARM_MATH_SIZE_MISMATCH    
+  * or ARM_MATH_SUCCESS based on the outcome of size checking.    
+ */
+
+arm_status arm_mat_trans_q31(
+  const arm_matrix_instance_q31 * pSrc,
+  arm_matrix_instance_q31 * pDst)
+{
+  q31_t *pIn = pSrc->pData;                      /* input data matrix pointer  */
+  q31_t *pOut = pDst->pData;                     /* output data matrix pointer  */
+  q31_t *px;                                     /* Temporary output data matrix pointer */
+  uint16_t nRows = pSrc->numRows;                /* number of nRows */
+  uint16_t nColumns = pSrc->numCols;             /* number of nColumns  */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  uint16_t blkCnt, i = 0u, row = nRows;          /* loop counters */
+  arm_status status;                             /* status of matrix transpose */
+
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+
+  /* Check for matrix mismatch condition */
+  if((pSrc->numRows != pDst->numCols) || (pSrc->numCols != pDst->numRows))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*    #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+    /* Matrix transpose by exchanging the rows with columns */
+    /* row loop     */
+    do
+    {
+      /* Apply loop unrolling and exchange the columns with row elements */
+      blkCnt = nColumns >> 2u;
+
+      /* The pointer px is set to starting address of the column being processed */
+      px = pOut + i;
+
+      /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+       ** a second loop below computes the remaining 1 to 3 samples. */
+      while(blkCnt > 0u)
+      {
+        /* Read and store the input element in the destination */
+        *px = *pIn++;
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += nRows;
+
+        /* Read and store the input element in the destination */
+        *px = *pIn++;
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += nRows;
+
+        /* Read and store the input element in the destination */
+        *px = *pIn++;
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += nRows;
+
+        /* Read and store the input element in the destination */
+        *px = *pIn++;
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += nRows;
+
+        /* Decrement the column loop counter */
+        blkCnt--;
+      }
+
+      /* Perform matrix transpose for last 3 samples here. */
+      blkCnt = nColumns % 0x4u;
+
+      while(blkCnt > 0u)
+      {
+        /* Read and store the input element in the destination */
+        *px = *pIn++;
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += nRows;
+
+        /* Decrement the column loop counter */
+        blkCnt--;
+      }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  uint16_t col, i = 0u, row = nRows;             /* loop counters */
+  arm_status status;                             /* status of matrix transpose */
+
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+  /* Check for matrix mismatch condition */
+  if((pSrc->numRows != pDst->numCols) || (pSrc->numCols != pDst->numRows))
+  {
+    /* Set status as ARM_MATH_SIZE_MISMATCH */
+    status = ARM_MATH_SIZE_MISMATCH;
+  }
+  else
+#endif /*    #ifdef ARM_MATH_MATRIX_CHECK    */
+
+  {
+    /* Matrix transpose by exchanging the rows with columns */
+    /* row loop     */
+    do
+    {
+      /* The pointer px is set to starting address of the column being processed */
+      px = pOut + i;
+
+      /* Initialize column loop counter */
+      col = nColumns;
+
+      while(col > 0u)
+      {
+        /* Read and store the input element in the destination */
+        *px = *pIn++;
+
+        /* Update the pointer px to point to the next row of the transposed matrix */
+        px += nRows;
+
+        /* Decrement the column loop counter */
+        col--;
+      }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+      i++;
+
+      /* Decrement the row loop counter */
+      row--;
+
+    }
+    while(row > 0u);            /* row loop end */
+
+    /* set status as ARM_MATH_SUCCESS */
+    status = ARM_MATH_SUCCESS;
+  }
+
+  /* Return to application */
+  return (status);
+}
+
+/**    
+ * @} end of MatrixTrans group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_max_f32.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_max_f32.c
new file mode 100644
index 0000000000..06a348cd42
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_max_f32.c
@@ -0,0 +1,178 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_max_f32.c    
+*    
+* Description:	Maximum value of a floating-point vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @defgroup Max Maximum    
+ *    
+ * Computes the maximum value of an array of data.     
+ * The function returns both the maximum value and its position within the array.     
+ * There are separate functions for floating-point, Q31, Q15, and Q7 data types.    
+ */
+
+/**    
+ * @addtogroup Max    
+ * @{    
+ */
+
+
+/**    
+ * @brief Maximum value of a floating-point vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult maximum value returned here    
+ * @param[out]      *pIndex index of maximum value returned here    
+ * @return none.    
+ */
+
+void arm_max_f32(
+  float32_t * pSrc,
+  uint32_t blockSize,
+  float32_t * pResult,
+  uint32_t * pIndex)
+{
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  float32_t maxVal1, maxVal2, out;               /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex, count;              /* loop counter */
+
+  /* Initialise the count value. */
+  count = 0u;
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+  /* Loop unrolling */
+  blkCnt = (blockSize - 1u) >> 2u;
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  while(blkCnt > 0u)
+  {
+    /* Initialize maxVal to the next consecutive values one by one */
+    maxVal1 = *pSrc++;
+
+    maxVal2 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal1)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal1;
+      outIndex = count + 1u;
+    }
+
+    maxVal1 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal2)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal2;
+      outIndex = count + 2u;
+    }
+
+    maxVal2 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal1)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal1;
+      outIndex = count + 3u;
+    }
+
+    /* compare for the maximum value */
+    if(out < maxVal2)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal2;
+      outIndex = count + 4u;
+    }
+
+    count += 4u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* if (blockSize - 1u) is not multiple of 4 */
+  blkCnt = (blockSize - 1u) % 4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  float32_t maxVal1, out;                        /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex;                     /* loop counter */
+
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+  blkCnt = (blockSize - 1u);
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* Initialize maxVal to the next consecutive values one by one */
+    maxVal1 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal1)
+    {
+      /* Update the maximum value and it's index */
+      out = maxVal1;
+      outIndex = blockSize - blkCnt;
+    }
+
+
+    /* Decrement the loop counter */
+    blkCnt--;
+
+  }
+
+  /* Store the maximum value and it's index into destination pointers */
+  *pResult = out;
+  *pIndex = outIndex;
+}
+
+/**    
+ * @} end of Max group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_max_q15.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_max_q15.c
new file mode 100644
index 0000000000..5544cde57e
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_max_q15.c
@@ -0,0 +1,168 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_max_q15.c    
+*    
+* Description:	Maximum value of a Q15 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @addtogroup Max    
+ * @{    
+ */
+
+
+/**    
+ * @brief Maximum value of a Q15 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult maximum value returned here    
+ * @param[out]      *pIndex index of maximum value returned here    
+ * @return none.    
+ */
+
+void arm_max_q15(
+  q15_t * pSrc,
+  uint32_t blockSize,
+  q15_t * pResult,
+  uint32_t * pIndex)
+{
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q15_t maxVal1, maxVal2, out;                   /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex, count;              /* loop counter */
+
+  /* Initialise the count value. */
+  count = 0u;
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+  /* Loop unrolling */
+  blkCnt = (blockSize - 1u) >> 2u;
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  while(blkCnt > 0u)
+  {
+    /* Initialize maxVal to the next consecutive values one by one */
+    maxVal1 = *pSrc++;
+
+    maxVal2 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal1)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal1;
+      outIndex = count + 1u;
+    }
+
+    maxVal1 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal2)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal2;
+      outIndex = count + 2u;
+    }
+
+    maxVal2 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal1)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal1;
+      outIndex = count + 3u;
+    }
+
+    /* compare for the maximum value */
+    if(out < maxVal2)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal2;
+      outIndex = count + 4u;
+    }
+
+    count += 4u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* if (blockSize - 1u) is not multiple of 4 */
+  blkCnt = (blockSize - 1u) % 4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  q15_t maxVal1, out;                            /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex;                     /* loop counter */
+
+  blkCnt = (blockSize - 1u);
+
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* Initialize maxVal to the next consecutive values one by one */
+    maxVal1 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal1)
+    {
+      /* Update the maximum value and it's index */
+      out = maxVal1;
+      outIndex = blockSize - blkCnt;
+    }
+    /* Decrement the loop counter */
+    blkCnt--;
+
+  }
+
+  /* Store the maximum value and its index into destination pointers */
+  *pResult = out;
+  *pIndex = outIndex;
+}
+
+/**    
+ * @} end of Max group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_max_q31.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_max_q31.c
new file mode 100644
index 0000000000..208f2b67b9
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_max_q31.c
@@ -0,0 +1,169 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_max_q31.c    
+*    
+* Description:	Maximum value of a Q31 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @addtogroup Max    
+ * @{    
+ */
+
+
+/**    
+ * @brief Maximum value of a Q31 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult maximum value returned here    
+ * @param[out]      *pIndex index of maximum value returned here    
+ * @return none.    
+ */
+
+void arm_max_q31(
+  q31_t * pSrc,
+  uint32_t blockSize,
+  q31_t * pResult,
+  uint32_t * pIndex)
+{
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q31_t maxVal1, maxVal2, out;                   /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex, count;              /* loop counter */
+
+  /* Initialise the count value. */
+  count = 0u;
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+  /* Loop unrolling */
+  blkCnt = (blockSize - 1u) >> 2u;
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  while(blkCnt > 0u)
+  {
+    /* Initialize maxVal to the next consecutive values one by one */
+    maxVal1 = *pSrc++;
+
+    maxVal2 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal1)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal1;
+      outIndex = count + 1u;
+    }
+
+    maxVal1 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal2)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal2;
+      outIndex = count + 2u;
+    }
+
+    maxVal2 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal1)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal1;
+      outIndex = count + 3u;
+    }
+
+    /* compare for the maximum value */
+    if(out < maxVal2)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal2;
+      outIndex = count + 4u;
+    }
+
+    count += 4u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* if (blockSize - 1u) is not multiple of 4 */
+  blkCnt = (blockSize - 1u) % 4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  q31_t maxVal1, out;                            /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex;                     /* loop counter */
+
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+  blkCnt = (blockSize - 1u);
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* Initialize maxVal to the next consecutive values one by one */
+    maxVal1 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal1)
+    {
+      /* Update the maximum value and it's index */
+      out = maxVal1;
+      outIndex = blockSize - blkCnt;
+    }
+
+    /* Decrement the loop counter */
+    blkCnt--;
+
+  }
+
+  /* Store the maximum value and its index into destination pointers */
+  *pResult = out;
+  *pIndex = outIndex;
+}
+
+/**    
+ * @} end of Max group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_max_q7.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_max_q7.c
new file mode 100644
index 0000000000..22ee440443
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_max_q7.c
@@ -0,0 +1,169 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_max_q7.c    
+*    
+* Description:	Maximum value of a Q7 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @addtogroup Max    
+ * @{    
+ */
+
+
+/**    
+ * @brief Maximum value of a Q7 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult maximum value returned here    
+ * @param[out]      *pIndex index of maximum value returned here    
+  * @return none.    
+ */
+
+void arm_max_q7(
+  q7_t * pSrc,
+  uint32_t blockSize,
+  q7_t * pResult,
+  uint32_t * pIndex)
+{
+#ifndef ARM_MATH_CM0
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q7_t maxVal1, maxVal2, out;                    /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex, count;              /* loop counter */
+
+  /* Initialise the count value. */
+  count = 0u;
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+  /* Loop unrolling */
+  blkCnt = (blockSize - 1u) >> 2u;
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  while(blkCnt > 0u)
+  {
+    /* Initialize maxVal to the next consecutive values one by one */
+    maxVal1 = *pSrc++;
+
+    maxVal2 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal1)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal1;
+      outIndex = count + 1u;
+    }
+
+    maxVal1 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal2)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal2;
+      outIndex = count + 2u;
+    }
+
+    maxVal2 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal1)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal1;
+      outIndex = count + 3u;
+    }
+
+    /* compare for the maximum value */
+    if(out < maxVal2)
+    {
+      /* Update the maximum value and its index */
+      out = maxVal2;
+      outIndex = count + 4u;
+    }
+
+    count += 4u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* if (blockSize - 1u) is not multiple of 4 */
+  blkCnt = (blockSize - 1u) % 4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  q7_t maxVal1, out;                             /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex;                     /* loop counter */
+
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+  blkCnt = (blockSize - 1u);
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* Initialize maxVal to the next consecutive values one by one */
+    maxVal1 = *pSrc++;
+
+    /* compare for the maximum value */
+    if(out < maxVal1)
+    {
+      /* Update the maximum value and it's index */
+      out = maxVal1;
+      outIndex = blockSize - blkCnt;
+    }
+    /* Decrement the loop counter */
+    blkCnt--;
+
+  }
+
+  /* Store the maximum value and its index into destination pointers */
+  *pResult = out;
+  *pIndex = outIndex;
+
+}
+
+/**    
+ * @} end of Max group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_f32.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_f32.c
new file mode 100644
index 0000000000..ea4ffb0cc5
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_f32.c
@@ -0,0 +1,131 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_mean_f32.c    
+*    
+* Description:	Mean value of a floating-point vector.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @defgroup mean Mean    
+ *    
+ * Calculates the mean of the input vector. Mean is defined as the average of the elements in the vector.    
+ * The underlying algorithm is used:    
+ *    
+ * 
    
+ * 	Result = (pSrc[0] + pSrc[1] + pSrc[2] + ... + pSrc[blockSize-1]) / blockSize;    
+ * 
    
+ *    
+ * There are separate functions for floating-point, Q31, Q15, and Q7 data types.    
+ */
+
+/**    
+ * @addtogroup mean    
+ * @{    
+ */
+
+
+/**    
+ * @brief Mean value of a floating-point vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult mean value returned here    
+ * @return none.    
+ */
+
+
+void arm_mean_f32(
+  float32_t * pSrc,
+  uint32_t blockSize,
+  float32_t * pResult)
+{
+  float32_t sum = 0.0f;                          /* Temporary result storage */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  float32_t in1, in2, in3, in4;
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */
+    in1 = *pSrc++;
+    in2 = *pSrc++;
+    in3 = *pSrc++;
+    in4 = *pSrc++;
+
+    sum += in1;
+    sum += in2;
+    sum += in3;
+    sum += in4;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */
+    sum += *pSrc++;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) / blockSize  */
+  /* Store the result to the destination */
+  *pResult = sum / (float32_t) blockSize;
+}
+
+/**    
+ * @} end of mean group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_q15.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_q15.c
new file mode 100644
index 0000000000..2e8fdfa091
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_q15.c
@@ -0,0 +1,125 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_mean_q15.c    
+*    
+* Description:	Mean value of a Q15 vector.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @addtogroup mean    
+ * @{    
+ */
+
+/**    
+ * @brief Mean value of a Q15 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult mean value returned here    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using a 32-bit internal accumulator.    
+ * The input is represented in 1.15 format and is accumulated in a 32-bit     
+ * accumulator in 17.15 format.     
+ * There is no risk of internal overflow with this approach, and the     
+ * full precision of intermediate result is preserved.     
+ * Finally, the accumulator is saturated and truncated to yield a result of 1.15 format.    
+ *    
+ */
+
+
+void arm_mean_q15(
+  q15_t * pSrc,
+  uint32_t blockSize,
+  q15_t * pResult)
+{
+  q31_t sum = 0;                                 /* Temporary result storage */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q31_t in;
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */
+    in = *__SIMD32(pSrc)++;
+    sum += ((in << 16) >> 16);
+    sum += (in >> 16);
+    in = *__SIMD32(pSrc)++;
+    sum += ((in << 16) >> 16);
+    sum += (in >> 16);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */
+    sum += *pSrc++;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) / blockSize  */
+  /* Store the result to the destination */
+  *pResult = (q15_t) (sum / blockSize);
+}
+
+/**    
+ * @} end of mean group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_q31.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_q31.c
new file mode 100644
index 0000000000..4dd3ce6b36
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_q31.c
@@ -0,0 +1,128 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_mean_q31.c    
+*    
+* Description:	Mean value of a Q31 vector.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @addtogroup mean    
+ * @{    
+ */
+
+/**    
+ * @brief Mean value of a Q31 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult mean value returned here    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *\par    
+ * The function is implemented using a 64-bit internal accumulator.    
+ * The input is represented in 1.31 format and is accumulated in a 64-bit    
+ * accumulator in 33.31 format.    
+ * There is no risk of internal overflow with this approach, and the     
+ * full precision of intermediate result is preserved.     
+ * Finally, the accumulator is truncated to yield a result of 1.31 format.    
+ *    
+ */
+
+
+void arm_mean_q31(
+  q31_t * pSrc,
+  uint32_t blockSize,
+  q31_t * pResult)
+{
+  q63_t sum = 0;                                 /* Temporary result storage */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q31_t in1, in2, in3, in4;
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */
+    in1 = *pSrc++;
+    in2 = *pSrc++;
+    in3 = *pSrc++;
+    in4 = *pSrc++;
+
+    sum += in1;
+    sum += in2;
+    sum += in3;
+    sum += in4;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */
+    sum += *pSrc++;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) / blockSize  */
+  /* Store the result to the destination */
+  *pResult = (q31_t) (sum / (int32_t) blockSize);
+}
+
+/**    
+ * @} end of mean group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_q7.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_q7.c
new file mode 100644
index 0000000000..22c60ccdd9
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_q7.c
@@ -0,0 +1,125 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_mean_q7.c    
+*    
+* Description:	Mean value of a Q7 vector.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @addtogroup mean    
+ * @{    
+ */
+
+/**    
+ * @brief Mean value of a Q7 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult mean value returned here    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function is implemented using a 32-bit internal accumulator.     
+ * The input is represented in 1.7 format and is accumulated in a 32-bit    
+ * accumulator in 25.7 format.    
+ * There is no risk of internal overflow with this approach, and the     
+ * full precision of intermediate result is preserved.     
+ * Finally, the accumulator is truncated to yield a result of 1.7 format.    
+ *    
+ */
+
+
+void arm_mean_q7(
+  q7_t * pSrc,
+  uint32_t blockSize,
+  q7_t * pResult)
+{
+  q31_t sum = 0;                                 /* Temporary result storage */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q31_t in;
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */
+    in = *__SIMD32(pSrc)++;
+
+    sum += ((in << 24) >> 24);
+    sum += ((in << 16) >> 24);
+    sum += ((in << 8) >> 24);
+    sum += (in >> 24);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */
+    sum += *pSrc++;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) / blockSize  */
+  /* Store the result to the destination */
+  *pResult = (q7_t) (sum / (int32_t) blockSize);
+}
+
+/**    
+ * @} end of mean group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_min_f32.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_min_f32.c
new file mode 100644
index 0000000000..723b693ca6
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_min_f32.c
@@ -0,0 +1,175 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_min_f32.c    
+*    
+* Description:	Minimum value of a floating-point vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @defgroup Min Minimum    
+ *    
+ * Computes the minimum value of an array of data.     
+ * The function returns both the minimum value and its position within the array.     
+ * There are separate functions for floating-point, Q31, Q15, and Q7 data types.    
+ */
+
+/**    
+ * @addtogroup Min    
+ * @{    
+ */
+
+
+/**    
+ * @brief Minimum value of a floating-point vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult minimum value returned here    
+ * @param[out]      *pIndex index of minimum value returned here    
+  * @return none.    
+ *    
+ */
+
+void arm_min_f32(
+  float32_t * pSrc,
+  uint32_t blockSize,
+  float32_t * pResult,
+  uint32_t * pIndex)
+{
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  float32_t minVal1, minVal2, out;               /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex, count;              /* loop counter */
+
+  /* Initialise the count value. */
+  count = 0u;
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+  /* Loop unrolling */
+  blkCnt = (blockSize - 1u) >> 2u;
+
+  while(blkCnt > 0)
+  {
+    /* Initialize minVal to the next consecutive values one by one */
+    minVal1 = *pSrc++;
+    minVal2 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal1)
+    {
+      /* Update the minimum value and its index */
+      out = minVal1;
+      outIndex = count + 1u;
+    }
+
+    minVal1 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal2)
+    {
+      /* Update the minimum value and its index */
+      out = minVal2;
+      outIndex = count + 2u;
+    }
+
+    minVal2 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal1)
+    {
+      /* Update the minimum value and its index */
+      out = minVal1;
+      outIndex = count + 3u;
+    }
+
+    /* compare for the minimum value */
+    if(out > minVal2)
+    {
+      /* Update the minimum value and its index */
+      out = minVal2;
+      outIndex = count + 4u;
+    }
+
+    count += 4u;
+
+    blkCnt--;
+  }
+
+  /* if (blockSize - 1u ) is not multiple of 4 */
+  blkCnt = (blockSize - 1u) % 4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  float32_t minVal1, out;                        /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex;                     /* loop counter */
+
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+  blkCnt = (blockSize - 1u);
+
+#endif //      #ifndef ARM_MATH_CM0
+
+  while(blkCnt > 0)
+  {
+    /* Initialize minVal to the next consecutive values one by one */
+    minVal1 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal1)
+    {
+      /* Update the minimum value and it's index */
+      out = minVal1;
+      outIndex = blockSize - blkCnt;
+    }
+
+    blkCnt--;
+
+  }
+
+  /* Store the minimum value and it's index into destination pointers */
+  *pResult = out;
+  *pIndex = outIndex;
+}
+
+/**    
+ * @} end of Min group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_min_q15.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_min_q15.c
new file mode 100644
index 0000000000..831505bb24
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_min_q15.c
@@ -0,0 +1,169 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_min_q15.c    
+*    
+* Description:	Minimum value of a Q15 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+
+/**    
+ * @addtogroup Min    
+ * @{    
+ */
+
+
+/**    
+ * @brief Minimum value of a Q15 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult minimum value returned here    
+ * @param[out]      *pIndex index of minimum value returned here    
+ * @return none.    
+ *    
+ */
+
+void arm_min_q15(
+  q15_t * pSrc,
+  uint32_t blockSize,
+  q15_t * pResult,
+  uint32_t * pIndex)
+{
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q15_t minVal1, minVal2, out;                   /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex, count;              /* loop counter */
+
+  /* Initialise the count value. */
+  count = 0u;
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+  /* Loop unrolling */
+  blkCnt = (blockSize - 1u) >> 2u;
+
+  while(blkCnt > 0)
+  {
+    /* Initialize minVal to the next consecutive values one by one */
+    minVal1 = *pSrc++;
+    minVal2 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal1)
+    {
+      /* Update the minimum value and its index */
+      out = minVal1;
+      outIndex = count + 1u;
+    }
+
+    minVal1 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal2)
+    {
+      /* Update the minimum value and its index */
+      out = minVal2;
+      outIndex = count + 2u;
+    }
+
+    minVal2 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal1)
+    {
+      /* Update the minimum value and its index */
+      out = minVal1;
+      outIndex = count + 3u;
+    }
+
+    /* compare for the minimum value */
+    if(out > minVal2)
+    {
+      /* Update the minimum value and its index */
+      out = minVal2;
+      outIndex = count + 4u;
+    }
+
+    count += 4u;
+
+    blkCnt--;
+  }
+
+  /* if (blockSize - 1u ) is not multiple of 4 */
+  blkCnt = (blockSize - 1u) % 4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  q15_t minVal1, out;                            /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex;                     /* loop counter */
+
+  blkCnt = (blockSize - 1u);
+
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+#endif //      #ifndef ARM_MATH_CM0
+
+  while(blkCnt > 0)
+  {
+    /* Initialize minVal to the next consecutive values one by one */
+    minVal1 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal1)
+    {
+      /* Update the minimum value and it's index */
+      out = minVal1;
+      outIndex = blockSize - blkCnt;
+    }
+
+    blkCnt--;
+
+  }
+
+
+
+  /* Store the minimum value and its index into destination pointers */
+  *pResult = out;
+  *pIndex = outIndex;
+}
+
+/**    
+ * @} end of Min group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_min_q31.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_min_q31.c
new file mode 100644
index 0000000000..76896902ee
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_min_q31.c
@@ -0,0 +1,168 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_min_q31.c    
+*    
+* Description:	Minimum value of a Q31 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+
+/**    
+ * @addtogroup Min    
+ * @{    
+ */
+
+
+/**    
+ * @brief Minimum value of a Q31 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult minimum value returned here    
+ * @param[out]      *pIndex index of minimum value returned here    
+ * @return none.    
+ *    
+ */
+
+void arm_min_q31(
+  q31_t * pSrc,
+  uint32_t blockSize,
+  q31_t * pResult,
+  uint32_t * pIndex)
+{
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q31_t minVal1, minVal2, out;                   /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex, count;              /* loop counter */
+
+  /* Initialise the count value. */
+  count = 0u;
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+
+  /* Loop unrolling */
+  blkCnt = (blockSize - 1u) >> 2u;
+
+  while(blkCnt > 0)
+  {
+    /* Initialize minVal to the next consecutive values one by one */
+    minVal1 = *pSrc++;
+    minVal2 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal1)
+    {
+      /* Update the minimum value and its index */
+      out = minVal1;
+      outIndex = count + 1u;
+    }
+
+    minVal1 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal2)
+    {
+      /* Update the minimum value and its index */
+      out = minVal2;
+      outIndex = count + 2u;
+    }
+
+    minVal2 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal1)
+    {
+      /* Update the minimum value and its index */
+      out = minVal1;
+      outIndex = count + 3u;
+    }
+
+    /* compare for the minimum value */
+    if(out > minVal2)
+    {
+      /* Update the minimum value and its index */
+      out = minVal2;
+      outIndex = count + 4u;
+    }
+
+    count += 4u;
+
+    blkCnt--;
+  }
+
+  /* if (blockSize - 1u ) is not multiple of 4 */
+  blkCnt = (blockSize - 1u) % 4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  q31_t minVal1, out;                            /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex;                     /* loop counter */
+
+  blkCnt = (blockSize - 1u);
+
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+#endif //      #ifndef ARM_MATH_CM0
+
+  while(blkCnt > 0)
+  {
+    /* Initialize minVal to the next consecutive values one by one */
+    minVal1 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal1)
+    {
+      /* Update the minimum value and it's index */
+      out = minVal1;
+      outIndex = blockSize - blkCnt;
+    }
+
+    blkCnt--;
+
+  }
+
+  /* Store the minimum value and its index into destination pointers */
+  *pResult = out;
+  *pIndex = outIndex;
+}
+
+/**    
+ * @} end of Min group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_min_q7.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_min_q7.c
new file mode 100644
index 0000000000..88e4dcef5e
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_min_q7.c
@@ -0,0 +1,170 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_min_q7.c    
+*    
+* Description:	Minimum value of a Q7 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @addtogroup Min    
+ * @{    
+ */
+
+
+/**    
+ * @brief Minimum value of a Q7 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult minimum value returned here    
+ * @param[out]      *pIndex index of minimum value returned here    
+ * @return none.    
+ *    
+ */
+
+void arm_min_q7(
+  q7_t * pSrc,
+  uint32_t blockSize,
+  q7_t * pResult,
+  uint32_t * pIndex)
+{
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q7_t minVal1, minVal2, out;                    /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex, count;              /* loop counter */
+
+  /* Initialise the count value. */
+  count = 0u;
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+  /* Loop unrolling */
+  blkCnt = (blockSize - 1u) >> 2u;
+
+  while(blkCnt > 0)
+  {
+    /* Initialize minVal to the next consecutive values one by one */
+    minVal1 = *pSrc++;
+    minVal2 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal1)
+    {
+      /* Update the minimum value and its index */
+      out = minVal1;
+      outIndex = count + 1u;
+    }
+
+    minVal1 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal2)
+    {
+      /* Update the minimum value and its index */
+      out = minVal2;
+      outIndex = count + 2u;
+    }
+
+    minVal2 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal1)
+    {
+      /* Update the minimum value and its index */
+      out = minVal1;
+      outIndex = count + 3u;
+    }
+
+    /* compare for the minimum value */
+    if(out > minVal2)
+    {
+      /* Update the minimum value and its index */
+      out = minVal2;
+      outIndex = count + 4u;
+    }
+
+    count += 4u;
+
+    blkCnt--;
+  }
+
+  /* if (blockSize - 1u ) is not multiple of 4 */
+  blkCnt = (blockSize - 1u) % 4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q7_t minVal1, out;                             /* Temporary variables to store the output value. */
+  uint32_t blkCnt, outIndex;                     /* loop counter */
+
+  /* Initialise the index value to zero. */
+  outIndex = 0u;
+  /* Load first input value that act as reference value for comparision */
+  out = *pSrc++;
+
+  blkCnt = (blockSize - 1u);
+
+#endif //      #ifndef ARM_MATH_CM0
+
+  while(blkCnt > 0)
+  {
+    /* Initialize minVal to the next consecutive values one by one */
+    minVal1 = *pSrc++;
+
+    /* compare for the minimum value */
+    if(out > minVal1)
+    {
+      /* Update the minimum value and it's index */
+      out = minVal1;
+      outIndex = blockSize - blkCnt;
+    }
+
+    blkCnt--;
+
+  }
+
+  /* Store the minimum value and its index into destination pointers */
+  *pResult = out;
+  *pIndex = outIndex;
+
+
+}
+
+/**    
+ * @} end of Min group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_power_f32.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_power_f32.c
new file mode 100644
index 0000000000..4e3505b997
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_power_f32.c
@@ -0,0 +1,138 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_power_f32.c    
+*    
+* Description:	Sum of the squares of the elements of a floating-point vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @defgroup power Power    
+ *    
+ * Calculates the sum of the squares of the elements in the input vector.    
+ * The underlying algorithm is used:    
+ *    
+ * 
    
+ * 	Result = pSrc[0] * pSrc[0] + pSrc[1] * pSrc[1] + pSrc[2] * pSrc[2] + ... + pSrc[blockSize-1] * pSrc[blockSize-1];    
+ * 
    
+ *   
+ * There are separate functions for floating point, Q31, Q15, and Q7 data types.     
+ */
+
+/**    
+ * @addtogroup power    
+ * @{    
+ */
+
+
+/**    
+ * @brief Sum of the squares of the elements of a floating-point vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult sum of the squares value returned here    
+ * @return none.    
+ *    
+ */
+
+
+void arm_power_f32(
+  float32_t * pSrc,
+  uint32_t blockSize,
+  float32_t * pResult)
+{
+  float32_t sum = 0.0f;                          /* accumulator */
+  float32_t in;                                  /* Temporary variable to store input value */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = A[0] * A[0] + A[1] * A[1] + A[2] * A[2] + ... + A[blockSize-1] * A[blockSize-1] */
+    /* Compute Power and then store the result in a temporary variable, sum. */
+    in = *pSrc++;
+    sum += in * in;
+    in = *pSrc++;
+    sum += in * in;
+    in = *pSrc++;
+    sum += in * in;
+    in = *pSrc++;
+    sum += in * in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+
+  while(blkCnt > 0u)
+  {
+    /* C = A[0] * A[0] + A[1] * A[1] + A[2] * A[2] + ... + A[blockSize-1] * A[blockSize-1] */
+    /* compute power and then store the result in a temporary variable, sum. */
+    in = *pSrc++;
+    sum += in * in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Store the result to the destination */
+  *pResult = sum;
+}
+
+/**    
+ * @} end of power group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_power_q15.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_power_q15.c
new file mode 100644
index 0000000000..a8d0db898d
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_power_q15.c
@@ -0,0 +1,144 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_power_q15.c    
+*    
+* Description:	Sum of the squares of the elements of a Q15 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @addtogroup power    
+ * @{    
+ */
+
+/**    
+ * @brief Sum of the squares of the elements of a Q15 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult sum of the squares value returned here    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The function is implemented using a 64-bit internal accumulator.     
+ * The input is represented in 1.15 format.   
+ * Intermediate multiplication yields a 2.30 format, and this    
+ * result is added without saturation to a 64-bit accumulator in 34.30 format.    
+ * With 33 guard bits in the accumulator, there is no risk of overflow, and the    
+ * full precision of the intermediate multiplication is preserved.    
+ * Finally, the return result is in 34.30 format.     
+ *    
+ */
+
+void arm_power_q15(
+  q15_t * pSrc,
+  uint32_t blockSize,
+  q63_t * pResult)
+{
+  q63_t sum = 0;                                 /* Temporary result storage */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t in32;                                    /* Temporary variable to store input value */
+  q15_t in16;                                    /* Temporary variable to store input value */
+  uint32_t blkCnt;                               /* loop counter */
+
+
+  /* loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = A[0] * A[0] + A[1] * A[1] + A[2] * A[2] + ... + A[blockSize-1] * A[blockSize-1] */
+    /* Compute Power and then store the result in a temporary variable, sum. */
+    in32 = *__SIMD32(pSrc)++;
+    sum = __SMLALD(in32, in32, sum);
+    in32 = *__SIMD32(pSrc)++;
+    sum = __SMLALD(in32, in32, sum);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C = A[0] * A[0] + A[1] * A[1] + A[2] * A[2] + ... + A[blockSize-1] * A[blockSize-1] */
+    /* Compute Power and then store the result in a temporary variable, sum. */
+    in16 = *pSrc++;
+    sum = __SMLALD(in16, in16, sum);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q15_t in;                                      /* Temporary variable to store input value */
+  uint32_t blkCnt;                               /* loop counter */
+
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* C = A[0] * A[0] + A[1] * A[1] + A[2] * A[2] + ... + A[blockSize-1] * A[blockSize-1] */
+    /* Compute Power and then store the result in a temporary variable, sum. */
+    in = *pSrc++;
+    sum += ((q31_t) in * in);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  /* Store the results in 34.30 format  */
+  *pResult = sum;
+}
+
+/**    
+ * @} end of power group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_power_q31.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_power_q31.c
new file mode 100644
index 0000000000..49cdb67fa3
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_power_q31.c
@@ -0,0 +1,135 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_power_q31.c    
+*    
+* Description:	Sum of the squares of the elements of a Q31 vector.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @addtogroup power    
+ * @{    
+ */
+
+/**    
+ * @brief Sum of the squares of the elements of a Q31 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult sum of the squares value returned here    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The function is implemented using a 64-bit internal accumulator.    
+ * The input is represented in 1.31 format.    
+ * Intermediate multiplication yields a 2.62 format, and this    
+ * result is truncated to 2.48 format by discarding the lower 14 bits.    
+ * The 2.48 result is then added without saturation to a 64-bit accumulator in 16.48 format.    
+ * With 15 guard bits in the accumulator, there is no risk of overflow, and the    
+ * full precision of the intermediate multiplication is preserved.    
+ * Finally, the return result is in 16.48 format.     
+ *    
+ */
+
+void arm_power_q31(
+  q31_t * pSrc,
+  uint32_t blockSize,
+  q63_t * pResult)
+{
+  q63_t sum = 0;                                 /* Temporary result storage */
+  q31_t in;
+  uint32_t blkCnt;                               /* loop counter */
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = A[0] * A[0] + A[1] * A[1] + A[2] * A[2] + ... + A[blockSize-1] * A[blockSize-1] */
+    /* Compute Power then shift intermediate results by 14 bits to maintain 16.48 format and then store the result in a temporary variable sum, providing 15 guard bits. */
+    in = *pSrc++;
+    sum += ((q63_t) in * in) >> 14u;
+
+    in = *pSrc++;
+    sum += ((q63_t) in * in) >> 14u;
+
+    in = *pSrc++;
+    sum += ((q63_t) in * in) >> 14u;
+
+    in = *pSrc++;
+    sum += ((q63_t) in * in) >> 14u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = A[0] * A[0] + A[1] * A[1] + A[2] * A[2] + ... + A[blockSize-1] * A[blockSize-1] */
+    /* Compute Power and then store the result in a temporary variable, sum. */
+    in = *pSrc++;
+    sum += ((q63_t) in * in) >> 14u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Store the results in 16.48 format  */
+  *pResult = sum;
+}
+
+/**    
+ * @} end of power group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_power_q7.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_power_q7.c
new file mode 100644
index 0000000000..39fd2e98d0
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_power_q7.c
@@ -0,0 +1,133 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_power_q7.c    
+*    
+* Description:	Sum of the squares of the elements of a Q7 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @addtogroup power    
+ * @{    
+ */
+
+/**    
+ * @brief Sum of the squares of the elements of a Q7 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult sum of the squares value returned here    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The function is implemented using a 32-bit internal accumulator.     
+ * The input is represented in 1.7 format.   
+ * Intermediate multiplication yields a 2.14 format, and this    
+ * result is added without saturation to an accumulator in 18.14 format.    
+ * With 17 guard bits in the accumulator, there is no risk of overflow, and the    
+ * full precision of the intermediate multiplication is preserved.    
+ * Finally, the return result is in 18.14 format.     
+ *    
+ */
+
+void arm_power_q7(
+  q7_t * pSrc,
+  uint32_t blockSize,
+  q31_t * pResult)
+{
+  q31_t sum = 0;                                 /* Temporary result storage */
+  q7_t in;                                       /* Temporary variable to store input */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t input1;                                  /* Temporary variable to store packed input */
+  q31_t in1, in2;                                /* Temporary variables to store input */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* Reading two inputs of pSrc vector and packing */
+    input1 = *__SIMD32(pSrc)++;
+
+    in1 = __SXTB16(__ROR(input1, 8));
+    in2 = __SXTB16(input1);
+
+    /* C = A[0] * A[0] + A[1] * A[1] + A[2] * A[2] + ... + A[blockSize-1] * A[blockSize-1] */
+    /* calculate power and accumulate to accumulator */
+    sum = __SMLAD(in1, in1, sum);
+    sum = __SMLAD(in2, in2, sum);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = A[0] * A[0] + A[1] * A[1] + A[2] * A[2] + ... + A[blockSize-1] * A[blockSize-1] */
+    /* Compute Power and then store the result in a temporary variable, sum. */
+    in = *pSrc++;
+    sum += ((q15_t) in * in);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Store the result in 18.14 format  */
+  *pResult = sum;
+}
+
+/**    
+ * @} end of power group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_rms_f32.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_rms_f32.c
new file mode 100644
index 0000000000..eacc166ffb
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_rms_f32.c
@@ -0,0 +1,133 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_rms_f32.c    
+*    
+* Description:	Root mean square value of an array of F32 type    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @defgroup RMS Root mean square (RMS)    
+ *    
+ *     
+ * Calculates the Root Mean Sqaure of the elements in the input vector.    
+ * The underlying algorithm is used:    
+ *    
+ * 
    
+ * 	Result = sqrt(((pSrc[0] * pSrc[0] + pSrc[1] * pSrc[1] + ... + pSrc[blockSize-1] * pSrc[blockSize-1]) / blockSize));    
+ * 
    
+ *   
+ * There are separate functions for floating point, Q31, and Q15 data types.     
+ */
+
+/**    
+ * @addtogroup RMS    
+ * @{    
+ */
+
+
+/**    
+ * @brief Root Mean Square of the elements of a floating-point vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult rms value returned here    
+ * @return none.    
+ *    
+ */
+
+void arm_rms_f32(
+  float32_t * pSrc,
+  uint32_t blockSize,
+  float32_t * pResult)
+{
+  float32_t sum = 0.0f;                          /* Accumulator */
+  float32_t in;                                  /* Tempoprary variable to store input value */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /* loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = A[0] * A[0] + A[1] * A[1] + A[2] * A[2] + ... + A[blockSize-1] * A[blockSize-1] */
+    /* Compute sum of the squares and then store the result in a temporary variable, sum  */
+    in = *pSrc++;
+    sum += in * in;
+    in = *pSrc++;
+    sum += in * in;
+    in = *pSrc++;
+    sum += in * in;
+    in = *pSrc++;
+    sum += in * in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = A[0] * A[0] + A[1] * A[1] + A[2] * A[2] + ... + A[blockSize-1] * A[blockSize-1] */
+    /* Compute sum of the squares and then store the results in a temporary variable, sum  */
+    in = *pSrc++;
+    sum += in * in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Compute Rms and store the result in the destination */
+  arm_sqrt_f32(sum / (float32_t) blockSize, pResult);
+}
+
+/**    
+ * @} end of RMS group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_rms_q15.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_rms_q15.c
new file mode 100644
index 0000000000..4621a2c21a
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_rms_q15.c
@@ -0,0 +1,153 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_rms_q15.c    
+*    
+* Description:	Root Mean Square of the elements of a Q15 vector.  
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @addtogroup RMS    
+ * @{    
+ */
+
+/**    
+ * @brief Root Mean Square of the elements of a Q15 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult rms value returned here    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The function is implemented using a 64-bit internal accumulator.    
+ * The input is represented in 1.15 format.    
+ * Intermediate multiplication yields a 2.30 format, and this    
+ * result is added without saturation to a 64-bit accumulator in 34.30 format.    
+ * With 33 guard bits in the accumulator, there is no risk of overflow, and the    
+ * full precision of the intermediate multiplication is preserved.    
+ * Finally, the 34.30 result is truncated to 34.15 format by discarding the lower     
+ * 15 bits, and then saturated to yield a result in 1.15 format.    
+ *    
+ */
+
+void arm_rms_q15(
+  q15_t * pSrc,
+  uint32_t blockSize,
+  q15_t * pResult)
+{
+  q63_t sum = 0;                                 /* accumulator */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t in;                                      /* temporary variable to store the input value */
+  q15_t in1;                                     /* temporary variable to store the input value */
+  uint32_t blkCnt;                               /* loop counter */
+
+  /* loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1]) */
+    /* Compute sum of the squares and then store the results in a temporary variable, sum */
+    in = *__SIMD32(pSrc)++;
+    sum = __SMLALD(in, in, sum);
+    in = *__SIMD32(pSrc)++;
+    sum = __SMLALD(in, in, sum);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1]) */
+    /* Compute sum of the squares and then store the results in a temporary variable, sum */
+    in1 = *pSrc++;
+    sum = __SMLALD(in1, in1, sum);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Truncating and saturating the accumulator to 1.15 format */
+  sum = __SSAT((q31_t) (sum >> 15), 16);
+
+  in1 = (q15_t) (sum / blockSize);
+
+  /* Store the result in the destination */
+  arm_sqrt_q15(in1, pResult);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q15_t in;                                      /* temporary variable to store the input value */
+  uint32_t blkCnt;                               /* loop counter */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1]) */
+    /* Compute sum of the squares and then store the results in a temporary variable, sum */
+    in = *pSrc++;
+    sum += ((q31_t) in * in);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Truncating and saturating the accumulator to 1.15 format */
+  sum = __SSAT((q31_t) (sum >> 15), 16);
+
+  in = (q15_t) (sum / blockSize);
+
+  /* Store the result in the destination */
+  arm_sqrt_q15(in, pResult);
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of RMS group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_rms_q31.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_rms_q31.c
new file mode 100644
index 0000000000..56eff443ad
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_rms_q31.c
@@ -0,0 +1,146 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_rms_q31.c    
+*    
+* Description:	Root Mean Square of the elements of a Q31 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**        
+ * @addtogroup RMS        
+ * @{        
+ */
+
+
+/**        
+ * @brief Root Mean Square of the elements of a Q31 vector.        
+ * @param[in]       *pSrc points to the input vector        
+ * @param[in]       blockSize length of the input vector        
+ * @param[out]      *pResult rms value returned here        
+ * @return none.        
+ *        
+ * @details        
+ * Scaling and Overflow Behavior:        
+ *        
+ *\par        
+ * The function is implemented using an internal 64-bit accumulator.        
+ * The input is represented in 1.31 format, and intermediate multiplication        
+ * yields a 2.62 format.        
+ * The accumulator maintains full precision of the intermediate multiplication results,         
+ * but provides only a single guard bit.        
+ * There is no saturation on intermediate additions.        
+ * If the accumulator overflows, it wraps around and distorts the result.         
+ * In order to avoid overflows completely, the input signal must be scaled down by         
+ * log2(blockSize) bits, as a total of blockSize additions are performed internally.         
+ * Finally, the 2.62 accumulator is right shifted by 31 bits to yield a 1.31 format value.        
+ *        
+ */
+
+void arm_rms_q31(
+  q31_t * pSrc,
+  uint32_t blockSize,
+  q31_t * pResult)
+{
+  q63_t sum = 0;                                 /* accumulator */
+  q31_t in;                                      /* Temporary variable to store the input */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t in1, in2, in3, in4;                      /* Temporary input variables */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 8 outputs at a time.        
+   ** a second loop below computes the remaining 1 to 7 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = A[0] * A[0] + A[1] * A[1] + A[2] * A[2] + ... + A[blockSize-1] * A[blockSize-1] */
+    /* Compute sum of the squares and then store the result in a temporary variable, sum */
+    /* read two samples from source buffer */
+    in1 = pSrc[0];
+    in2 = pSrc[1];
+
+    /* calculate power and accumulate to accumulator */
+    sum += (q63_t) in1 *in1;
+    sum += (q63_t) in2 *in2;
+
+    /* read two samples from source buffer */
+    in3 = pSrc[2];
+    in4 = pSrc[3];
+
+    /* calculate power and accumulate to accumulator */
+    sum += (q63_t) in3 *in3;
+    sum += (q63_t) in4 *in4;
+
+
+    /* update source buffer to process next samples */
+    pSrc += 4u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 8, compute any remaining output samples here.        
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = A[0] * A[0] + A[1] * A[1] + A[2] * A[2] + ... + A[blockSize-1] * A[blockSize-1] */
+    /* Compute sum of the squares and then store the results in a temporary variable, sum */
+    in = *pSrc++;
+    sum += (q63_t) in *in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Convert data in 2.62 to 1.31 by 31 right shifts and saturate */
+
+  sum = __SSAT(sum >> 31, 31);
+
+
+  /* Compute Rms and store the result in the destination vector */
+  arm_sqrt_q31((q31_t) ((q31_t) sum / (int32_t) blockSize), pResult);
+}
+
+/**        
+ * @} end of RMS group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_std_f32.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_std_f32.c
new file mode 100644
index 0000000000..2fcc4e5a73
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_std_f32.c
@@ -0,0 +1,188 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_std_f32.c    
+*    
+* Description:	Standard deviation of the elements of a floating-point vector.  
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @defgroup STD Standard deviation    
+ *    
+ * Calculates the standard deviation of the elements in the input vector.     
+ * The underlying algorithm is used:    
+ *   
+ * 
    
+ * 	Result = sqrt((sumOfSquares - sum2 / blockSize) / (blockSize - 1))   
+ *   
+ *	   where, sumOfSquares = pSrc[0] * pSrc[0] + pSrc[1] * pSrc[1] + ... + pSrc[blockSize-1] * pSrc[blockSize-1]   
+ *   
+ *	                   sum = pSrc[0] + pSrc[1] + pSrc[2] + ... + pSrc[blockSize-1]   
+ * 
   
+ *    
+ * There are separate functions for floating point, Q31, and Q15 data types.    
+ */
+
+/**    
+ * @addtogroup STD    
+ * @{    
+ */
+
+
+/**    
+ * @brief Standard deviation of the elements of a floating-point vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult standard deviation value returned here    
+ * @return none.    
+ *    
+ */
+
+
+void arm_std_f32(
+  float32_t * pSrc,
+  uint32_t blockSize,
+  float32_t * pResult)
+{
+  float32_t sum = 0.0f;                          /* Temporary result storage */
+  float32_t sumOfSquares = 0.0f;                 /* Sum of squares */
+  float32_t in;                                  /* input value */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  float32_t meanOfSquares, mean, squareOfMean;
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1])  */
+    /* Compute Sum of squares of the input samples    
+     * and then store the result in a temporary variable, sum. */
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += in * in;
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += in * in;
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += in * in;
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += in * in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1]) */
+    /* Compute Sum of squares of the input samples    
+     * and then store the result in a temporary variable, sum. */
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += in * in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Compute Mean of squares of the input samples    
+   * and then store the result in a temporary variable, meanOfSquares. */
+  meanOfSquares = sumOfSquares / ((float32_t) blockSize - 1.0f);
+
+  /* Compute mean of all input values */
+  mean = sum / (float32_t) blockSize;
+
+  /* Compute square of mean */
+  squareOfMean = (mean * mean) * (((float32_t) blockSize) /
+                                  ((float32_t) blockSize - 1.0f));
+
+  /* Compute standard deviation and then store the result to the destination */
+  arm_sqrt_f32((meanOfSquares - squareOfMean), pResult);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  float32_t squareOfSum;                         /* Square of Sum */
+  float32_t var;                                 /* Temporary varaince storage */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1]) */
+    /* Compute Sum of squares of the input samples     
+     * and then store the result in a temporary variable, sumOfSquares. */
+    in = *pSrc++;
+    sumOfSquares += in * in;
+
+    /* C = (A[0] + A[1] + ... + A[blockSize-1]) */
+    /* Compute Sum of the input samples     
+     * and then store the result in a temporary variable, sum. */
+    sum += in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Compute the square of sum */
+  squareOfSum = ((sum * sum) / (float32_t) blockSize);
+
+  /* Compute the variance */
+  var = ((sumOfSquares - squareOfSum) / (float32_t) (blockSize - 1.0f));
+
+  /* Compute standard deviation and then store the result to the destination */
+  arm_sqrt_f32(var, pResult);
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of STD group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_std_q15.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_std_q15.c
new file mode 100644
index 0000000000..ac51167a12
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_std_q15.c
@@ -0,0 +1,197 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_std_q15.c    
+*    
+* Description:	Standard deviation of an array of Q15 type.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @addtogroup STD    
+ * @{    
+ */
+
+/**    
+ * @brief Standard deviation of the elements of a Q15 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult standard deviation value returned here    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The function is implemented using a 64-bit internal accumulator.    
+ * The input is represented in 1.15 format.   
+ * Intermediate multiplication yields a 2.30 format, and this    
+ * result is added without saturation to a 64-bit accumulator in 34.30 format.    
+ * With 33 guard bits in the accumulator, there is no risk of overflow, and the    
+ * full precision of the intermediate multiplication is preserved.    
+ * Finally, the 34.30 result is truncated to 34.15 format by discarding the lower     
+ * 15 bits, and then saturated to yield a result in 1.15 format.    
+ */
+
+void arm_std_q15(
+  q15_t * pSrc,
+  uint32_t blockSize,
+  q15_t * pResult)
+{
+  q31_t sum = 0;                                 /* Accumulator */
+  q31_t meanOfSquares, squareOfMean;             /* square of mean and mean of square */
+  q15_t mean;                                    /* mean */
+  uint32_t blkCnt;                               /* loop counter */
+  q15_t t;                                       /* Temporary variable */
+  q63_t sumOfSquares = 0;                        /* Accumulator */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t in;                                      /* input value */
+  q15_t in1;                                     /* input value */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1])  */
+    /* Compute Sum of squares of the input samples    
+     * and then store the result in a temporary variable, sum. */
+    in = *__SIMD32(pSrc)++;
+    sum += ((in << 16) >> 16);
+    sum += (in >> 16);
+    sumOfSquares = __SMLALD(in, in, sumOfSquares);
+    in = *__SIMD32(pSrc)++;
+    sum += ((in << 16) >> 16);
+    sum += (in >> 16);
+    sumOfSquares = __SMLALD(in, in, sumOfSquares);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1]) */
+    /* Compute Sum of squares of the input samples    
+     * and then store the result in a temporary variable, sum. */
+    in1 = *pSrc++;
+    sumOfSquares = __SMLALD(in1, in1, sumOfSquares);
+    sum += in1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Compute Mean of squares of the input samples    
+   * and then store the result in a temporary variable, meanOfSquares. */
+  t = (q15_t) ((1.0 / (blockSize - 1)) * 16384LL);
+  sumOfSquares = __SSAT((sumOfSquares >> 15u), 16u);
+
+  meanOfSquares = (q31_t) ((sumOfSquares * t) >> 14u);
+
+  /* Compute mean of all input values */
+  t = (q15_t) ((1.0 / (blockSize * (blockSize - 1))) * 32768LL);
+  mean = (q15_t) __SSAT(sum, 16u);
+
+  /* Compute square of mean */
+  squareOfMean = ((q31_t) mean * mean) >> 15;
+  squareOfMean = (q31_t) (((q63_t) squareOfMean * t) >> 15);
+
+  /* mean of the squares minus the square of the mean. */
+  in1 = (q15_t) (meanOfSquares - squareOfMean);
+
+  /* Compute standard deviation and store the result to the destination */
+  arm_sqrt_q15(in1, pResult);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  q15_t in;                                      /* input value */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1]) */
+    /* Compute Sum of squares of the input samples     
+     * and then store the result in a temporary variable, sumOfSquares. */
+    in = *pSrc++;
+    sumOfSquares += (in * in);
+
+    /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */
+    /* Compute sum of all input values and then store the result in a temporary variable, sum. */
+    sum += in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Compute Mean of squares of the input samples     
+   * and then store the result in a temporary variable, meanOfSquares. */
+  t = (q15_t) ((1.0 / (blockSize - 1)) * 16384LL);
+  sumOfSquares = __SSAT((sumOfSquares >> 15u), 16u);
+  meanOfSquares = (q31_t) ((sumOfSquares * t) >> 14u);
+
+  /* Compute mean of all input values */
+  mean = (q15_t) __SSAT(sum, 16u);
+
+  /* Compute square of mean of the input samples   
+   * and then store the result in a temporary variable, squareOfMean.*/
+  t = (q15_t) ((1.0 / (blockSize * (blockSize - 1))) * 32768LL);
+  squareOfMean = ((q31_t) mean * mean) >> 15;
+  squareOfMean = (q31_t) (((q63_t) squareOfMean * t) >> 15);
+
+  /* mean of the squares minus the square of the mean. */
+  in = (q15_t) (meanOfSquares - squareOfMean);
+
+  /* Compute standard deviation and store the result to the destination */
+  arm_sqrt_q15(in, pResult);
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+
+}
+
+/**    
+ * @} end of STD group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_std_q31.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_std_q31.c
new file mode 100644
index 0000000000..de60bc06ea
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_std_q31.c
@@ -0,0 +1,184 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_std_q31.c    
+*    
+* Description:	Standard deviation of an array of Q31 type.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @addtogroup STD    
+ * @{    
+ */
+
+
+/**    
+ * @brief Standard deviation of the elements of a Q31 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult standard deviation value returned here    
+ * @return none.    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ *\par    
+ * The function is implemented using an internal 64-bit accumulator.    
+ * The input is represented in 1.31 format, and intermediate multiplication    
+ * yields a 2.62 format.    
+ * The accumulator maintains full precision of the intermediate multiplication results,     
+ * but provides only a single guard bit.    
+ * There is no saturation on intermediate additions.    
+ * If the accumulator overflows it wraps around and distorts the result.    
+ * In order to avoid overflows completely the input signal must be scaled down by     
+ * log2(blockSize) bits, as a total of blockSize additions are performed internally.     
+ * Finally, the 2.62 accumulator is right shifted by 31 bits to yield a 1.31 format value.    
+ *    
+ */
+
+
+void arm_std_q31(
+  q31_t * pSrc,
+  uint32_t blockSize,
+  q31_t * pResult)
+{
+  q63_t sum = 0;                                 /* Accumulator */
+  q31_t meanOfSquares, squareOfMean;             /* square of mean and mean of square */
+  q31_t mean;                                    /* mean */
+  q31_t in;                                      /* input value */
+  q31_t t;                                       /* Temporary variable */
+  uint32_t blkCnt;                               /* loop counter */
+  q63_t sumOfSquares = 0;                        /* Accumulator */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1])  */
+    /* Compute Sum of squares of the input samples    
+     * and then store the result in a temporary variable, sum. */
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += ((q63_t) (in) * (in));
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += ((q63_t) (in) * (in));
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += ((q63_t) (in) * (in));
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += ((q63_t) (in) * (in));
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1]) */
+    /* Compute Sum of squares of the input samples    
+     * and then store the result in a temporary variable, sum. */
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += ((q63_t) (in) * (in));
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  t = (q31_t) ((1.0f / (float32_t) (blockSize - 1u)) * 1073741824.0f);
+
+  /* Compute Mean of squares of the input samples    
+   * and then store the result in a temporary variable, meanOfSquares. */
+  sumOfSquares = (sumOfSquares >> 31);
+  meanOfSquares = (q31_t) ((sumOfSquares * t) >> 30);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1]) */
+    /* Compute Sum of squares of the input samples     
+     * and then store the result in a temporary variable, sumOfSquares. */
+    in = *pSrc++;
+    sumOfSquares += ((q63_t) (in) * (in));
+
+    /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */
+    /* Compute sum of all input values and then store the result in a temporary variable, sum. */
+    sum += in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Compute Mean of squares of the input samples     
+   * and then store the result in a temporary variable, meanOfSquares. */
+  t = (q31_t) ((1.0f / (float32_t) (blockSize - 1u)) * 1073741824.0f);
+  sumOfSquares = (sumOfSquares >> 31);
+  meanOfSquares = (q31_t) ((sumOfSquares * t) >> 30);
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  /* Compute mean of all input values */
+  t = (q31_t) ((1.0f / (blockSize * (blockSize - 1u))) * 2147483648.0f);
+  mean = (q31_t) (sum);
+
+  /* Compute square of mean */
+  squareOfMean = (q31_t) (((q63_t) mean * mean) >> 31);
+  squareOfMean = (q31_t) (((q63_t) squareOfMean * t) >> 31);
+
+
+  /* Compute standard deviation and then store the result to the destination */
+  arm_sqrt_q31(meanOfSquares - squareOfMean, pResult);
+
+}
+
+/**    
+ * @} end of STD group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_var_f32.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_var_f32.c
new file mode 100644
index 0000000000..4dfd846c2b
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_var_f32.c
@@ -0,0 +1,184 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_var_f32.c    
+*    
+* Description:	Variance of the elements of a floating-point vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @defgroup variance  Variance    
+ *    
+ * Calculates the variance of the elements in the input vector.    
+ * The underlying algorithm is used:    
+ *    
+ * 
    
+ * 	Result = (sumOfSquares - sum2 / blockSize) / (blockSize - 1)   
+ *   
+ *	   where, sumOfSquares = pSrc[0] * pSrc[0] + pSrc[1] * pSrc[1] + ... + pSrc[blockSize-1] * pSrc[blockSize-1]   
+ *   
+ *	                   sum = pSrc[0] + pSrc[1] + pSrc[2] + ... + pSrc[blockSize-1]   
+ * 
   
+ *    
+ * There are separate functions for floating point, Q31, and Q15 data types.    
+ */
+
+/**    
+ * @addtogroup variance    
+ * @{    
+ */
+
+
+/**    
+ * @brief Variance of the elements of a floating-point vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult variance value returned here    
+ * @return none.    
+ *    
+ */
+
+
+void arm_var_f32(
+  float32_t * pSrc,
+  uint32_t blockSize,
+  float32_t * pResult)
+{
+
+  float32_t sum = 0.0f;                          /* Temporary result storage */
+  float32_t sumOfSquares = 0.0f;                 /* Sum of squares */
+  float32_t in;                                  /* input value */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  float32_t meanOfSquares, mean, squareOfMean;   /* Temporary variables */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1])  */
+    /* Compute Sum of squares of the input samples    
+     * and then store the result in a temporary variable, sum. */
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += in * in;
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += in * in;
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += in * in;
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += in * in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1]) */
+    /* Compute Sum of squares of the input samples    
+     * and then store the result in a temporary variable, sum. */
+    in = *pSrc++;
+    sum += in;
+    sumOfSquares += in * in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Compute Mean of squares of the input samples    
+   * and then store the result in a temporary variable, meanOfSquares. */
+  meanOfSquares = sumOfSquares / ((float32_t) blockSize - 1.0f);
+
+  /* Compute mean of all input values */
+  mean = sum / (float32_t) blockSize;
+
+  /* Compute square of mean */
+  squareOfMean = (mean * mean) * (((float32_t) blockSize) /
+                                  ((float32_t) blockSize - 1.0f));
+
+  /* Compute variance and then store the result to the destination */
+  *pResult = meanOfSquares - squareOfMean;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  float32_t squareOfSum;                         /* Square of Sum */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1]) */
+    /* Compute Sum of squares of the input samples     
+     * and then store the result in a temporary variable, sumOfSquares. */
+    in = *pSrc++;
+    sumOfSquares += in * in;
+
+    /* C = (A[0] + A[1] + ... + A[blockSize-1]) */
+    /* Compute Sum of the input samples     
+     * and then store the result in a temporary variable, sum. */
+    sum += in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Compute the square of sum */
+  squareOfSum = ((sum * sum) / (float32_t) blockSize);
+
+  /* Compute the variance */
+  *pResult = ((sumOfSquares - squareOfSum) / (float32_t) (blockSize - 1.0f));
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of variance group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_var_q15.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_var_q15.c
new file mode 100644
index 0000000000..d37e66a57c
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_var_q15.c
@@ -0,0 +1,180 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_var_q15.c    
+*    
+* Description:	Variance of an array of Q15 type.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupStats    
+ */
+
+/**    
+ * @addtogroup variance    
+ * @{    
+ */
+
+/**    
+ * @brief Variance of the elements of a Q15 vector.    
+ * @param[in]       *pSrc points to the input vector    
+ * @param[in]       blockSize length of the input vector    
+ * @param[out]      *pResult variance value returned here    
+ * @return none.    
+ *    
+ * @details    
+ * Scaling and Overflow Behavior:    
+ *    
+ * \par    
+ * The function is implemented using a 64-bit internal accumulator.    
+ * The input is represented in 1.15 format.   
+ * Intermediate multiplication yields a 2.30 format, and this    
+ * result is added without saturation to a 64-bit accumulator in 34.30 format.    
+ * With 33 guard bits in the accumulator, there is no risk of overflow, and the    
+ * full precision of the intermediate multiplication is preserved.    
+ * Finally, the 34.30 result is truncated to 34.15 format by discarding the lower     
+ * 15 bits, and then saturated to yield a result in 1.15 format.    
+ *    
+ */
+
+
+void arm_var_q15(
+  q15_t * pSrc,
+  uint32_t blockSize,
+  q31_t * pResult)
+{
+  q31_t sum = 0;                                 /* Accumulator */
+  q31_t meanOfSquares, squareOfMean;             /* Mean of square and square of mean */
+  q15_t mean;                                    /* mean */
+  uint32_t blkCnt;                               /* loop counter */
+  q15_t t;                                       /* Temporary variable */
+  q63_t sumOfSquares = 0;                        /* Accumulator */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t in;                                      /* Input variable */
+  q15_t in1;                                     /* Temporary variable */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1])  */
+    /* Compute Sum of squares of the input samples    
+     * and then store the result in a temporary variable, sum. */
+    in = *__SIMD32(pSrc)++;
+    sum += ((in << 16) >> 16);
+    sum += (in >> 16);
+    sumOfSquares = __SMLALD(in, in, sumOfSquares);
+    in = *__SIMD32(pSrc)++;
+    sum += ((in << 16) >> 16);
+    sum += (in >> 16);
+    sumOfSquares = __SMLALD(in, in, sumOfSquares);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1]) */
+    /* Compute Sum of squares of the input samples    
+     * and then store the result in a temporary variable, sum. */
+    in1 = *pSrc++;
+    sum += in1;
+    sumOfSquares = __SMLALD(in1, in1, sumOfSquares);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Compute Mean of squares of the input samples    
+   * and then store the result in a temporary variable, meanOfSquares. */
+  t = (q15_t) ((1.0f / (float32_t) (blockSize - 1u)) * 16384);
+  sumOfSquares = __SSAT((sumOfSquares >> 15u), 16u);
+
+  meanOfSquares = (q31_t) ((sumOfSquares * t) >> 14u);
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q15_t in;                                      /* Temporary variable */
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1]) */
+    /* Compute Sum of squares of the input samples     
+     * and then store the result in a temporary variable, sumOfSquares. */
+    in = *pSrc++;
+    sumOfSquares += (in * in);
+
+    /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */
+    /* Compute sum of all input values and then store the result in a temporary variable, sum. */
+    sum += in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* Compute Mean of squares of the input samples     
+   * and then store the result in a temporary variable, meanOfSquares. */
+  t = (q15_t) ((1.0f / (float32_t) (blockSize - 1u)) * 16384);
+  sumOfSquares = __SSAT((sumOfSquares >> 15u), 16u);
+  meanOfSquares = (q31_t) ((sumOfSquares * t) >> 14u);
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  /* Compute mean of all input values */
+  t = (q15_t) ((1.0f / (float32_t) (blockSize * (blockSize - 1u))) * 32768);
+  mean = __SSAT(sum, 16u);
+
+  /* Compute square of mean */
+  squareOfMean = ((q31_t) mean * mean) >> 15;
+  squareOfMean = (q31_t) (((q63_t) squareOfMean * t) >> 15);
+
+  /* Compute variance and then store the result to the destination */
+  *pResult = (meanOfSquares - squareOfMean);
+
+}
+
+/**    
+ * @} end of variance group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_var_q31.c b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_var_q31.c
new file mode 100644
index 0000000000..7acef7ef12
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_var_q31.c
@@ -0,0 +1,170 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_var_q31.c    
+*    
+* Description:	Variance of an array of Q31 type.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**        
+ * @ingroup groupStats        
+ */
+
+/**        
+ * @addtogroup variance        
+ * @{        
+ */
+
+/**        
+ * @brief Variance of the elements of a Q31 vector.        
+ * @param[in]       *pSrc points to the input vector        
+ * @param[in]       blockSize length of the input vector        
+ * @param[out]      *pResult variance value returned here        
+ * @return none.        
+ *        
+ * @details        
+ * Scaling and Overflow Behavior:        
+ *        
+ *\par        
+ * The function is implemented using an internal 64-bit accumulator.        
+ * The input is represented in 1.31 format, and intermediate multiplication        
+ * yields a 2.62 format.        
+ * The accumulator maintains full precision of the intermediate multiplication results,         
+ * but provides only a single guard bit.        
+ * There is no saturation on intermediate additions.        
+ * If the accumulator overflows it wraps around and distorts the result.        
+ * In order to avoid overflows completely the input signal must be scaled down by         
+ * log2(blockSize) bits, as a total of blockSize additions are performed internally.         
+ * Finally, the 2.62 accumulator is right shifted by 31 bits to yield a 1.31 format value.        
+ *        
+ */
+
+
+void arm_var_q31(
+  q31_t * pSrc,
+  uint32_t blockSize,
+  q63_t * pResult)
+{
+  q63_t sum = 0, sumSquare = 0;                  /* Accumulator */
+  q31_t meanOfSquares, squareOfMean;             /* square of mean and mean of square */
+  q31_t mean;                                    /* mean */
+  q31_t in;                                      /* input value */
+  q31_t t;                                       /* Temporary variable */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q63_t sumSquare1 = 0;                          /* Accumulator */
+  q31_t in1, in2, in3, in4;                      /* Temporary input variables */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1])  */
+    /* Compute Sum of squares of the input samples        
+     * and then store the result in a temporary variable, sum. */
+    /* read input samples from source buffer */
+    in1 = pSrc[0];
+    in2 = pSrc[1];
+
+    /* calculate sum of inputs */
+    sum += in1;
+    /* calculate sum of squares */
+    sumSquare += ((q63_t) (in1) * (in1));
+    in3 = pSrc[2];
+    sum += in2;
+    sumSquare1 += ((q63_t) (in2) * (in2));
+    in4 = pSrc[3];
+    sum += in3;
+    sumSquare += ((q63_t) (in3) * (in3));
+    sum += in4;
+    sumSquare1 += ((q63_t) (in4) * (in4));
+
+    /* update input pointer to process next samples */
+    pSrc += 4u;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* add two accumulators */
+  sumSquare = sumSquare + sumSquare1;
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = (A[0] * A[0] + A[1] * A[1] + ... + A[blockSize-1] * A[blockSize-1]) */
+    /* Compute Sum of squares of the input samples        
+     * and then store the result in a temporary variable, sum. */
+    in = *pSrc++;
+    sumSquare += ((q63_t) (in) * (in));
+    sum += in;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  t = (q31_t) ((1.0f / (float32_t) (blockSize - 1u)) * 1073741824.0f);
+
+  /* Compute Mean of squares of the input samples        
+   * and then store the result in a temporary variable, meanOfSquares. */
+  sumSquare = (sumSquare >> 31);
+  meanOfSquares = (q31_t) ((sumSquare * t) >> 30);
+
+  /* Compute mean of all input values */
+  t = (q31_t) ((1.0f / (blockSize * (blockSize - 1u))) * 2147483648.0f);
+  mean = (q31_t) (sum);
+
+  /* Compute square of mean */
+  squareOfMean = (q31_t) (((q63_t) mean * mean) >> 31);
+  squareOfMean = (q31_t) (((q63_t) squareOfMean * t) >> 31);
+
+  /* Compute variance and then store the result to the destination */
+  *pResult = (q63_t) meanOfSquares - squareOfMean;
+
+}
+
+/**        
+ * @} end of variance group        
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_copy_f32.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_copy_f32.c
new file mode 100644
index 0000000000..5621b87520
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_copy_f32.c
@@ -0,0 +1,130 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_copy_f32.c    
+*    
+* Description:	Copies the elements of a floating-point vector.  
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @defgroup copy Vector Copy    
+ *    
+ * Copies sample by sample from source vector to destination vector.    
+ *    
+ * 
    
+ * 	pDst[n] = pSrc[n];   0 <= n < blockSize.    
+ * 
    
+ *   
+ * There are separate functions for floating point, Q31, Q15, and Q7 data types.     
+ */
+
+/**    
+ * @addtogroup copy    
+ * @{    
+ */
+
+/**    
+ * @brief Copies the elements of a floating-point vector.     
+ * @param[in]       *pSrc points to input vector    
+ * @param[out]      *pDst points to output vector    
+ * @param[in]       blockSize length of the input vector   
+ * @return none.    
+ *    
+ */
+
+
+void arm_copy_f32(
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  float32_t in1, in2, in3, in4;
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = A */
+    /* Copy and then store the results in the destination buffer */
+    in1 = *pSrc++;
+    in2 = *pSrc++;
+    in3 = *pSrc++;
+    in4 = *pSrc++;
+
+    *pDst++ = in1;
+    *pDst++ = in2;
+    *pDst++ = in3;
+    *pDst++ = in4;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = A */
+    /* Copy and then store the results in the destination buffer */
+    *pDst++ = *pSrc++;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**    
+ * @} end of BasicCopy group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_copy_q15.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_copy_q15.c
new file mode 100644
index 0000000000..e605a72698
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_copy_q15.c
@@ -0,0 +1,109 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_copy_q15.c    
+*    
+* Description:	Copies the elements of a Q15 vector.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @addtogroup copy    
+ * @{    
+ */
+/**    
+ * @brief Copies the elements of a Q15 vector.     
+ * @param[in]       *pSrc points to input vector    
+ * @param[out]      *pDst points to output vector    
+ * @param[in]       blockSize length of the input vector   
+ * @return none.    
+ *    
+ */
+
+void arm_copy_q15(
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = A */
+    /* Read two inputs */
+    *__SIMD32(pDst)++ = *__SIMD32(pSrc)++;
+    *__SIMD32(pDst)++ = *__SIMD32(pSrc)++;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = A */
+    /* Copy and then store the value in the destination buffer */
+    *pDst++ = *pSrc++;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**    
+ * @} end of BasicCopy group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_copy_q31.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_copy_q31.c
new file mode 100644
index 0000000000..843083db22
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_copy_q31.c
@@ -0,0 +1,118 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_copy_q31.c    
+*    
+* Description:	Copies the elements of a Q31 vector.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @addtogroup copy    
+ * @{    
+ */
+
+/**    
+ * @brief Copies the elements of a Q31 vector.     
+ * @param[in]       *pSrc points to input vector    
+ * @param[out]      *pDst points to output vector    
+ * @param[in]       blockSize length of the input vector   
+ * @return none.    
+ *    
+ */
+
+void arm_copy_q31(
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  uint32_t blkCnt;                               /* loop counter */
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q31_t in1, in2, in3, in4;
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = A */
+    /* Copy and then store the values in the destination buffer */
+    in1 = *pSrc++;
+    in2 = *pSrc++;
+    in3 = *pSrc++;
+    in4 = *pSrc++;
+
+    *pDst++ = in1;
+    *pDst++ = in2;
+    *pDst++ = in3;
+    *pDst++ = in4;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = A */
+    /* Copy and then store the value in the destination buffer */
+    *pDst++ = *pSrc++;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**    
+ * @} end of BasicCopy group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_copy_q7.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_copy_q7.c
new file mode 100644
index 0000000000..06288fc0b0
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_copy_q7.c
@@ -0,0 +1,110 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_copy_q7.c    
+*    
+* Description:	Copies the elements of a Q7 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @addtogroup copy    
+ * @{    
+ */
+
+/**    
+ * @brief Copies the elements of a Q7 vector.    
+ * @param[in]       *pSrc points to input vector    
+ * @param[out]      *pDst points to output vector    
+ * @param[in]       blockSize length of the input vector   
+ * @return none.    
+ *    
+ */
+
+void arm_copy_q7(
+  q7_t * pSrc,
+  q7_t * pDst,
+  uint32_t blockSize)
+{
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = A */
+    /* Copy and then store the results in the destination buffer */
+    /* 4 samples are copied and stored at a time using SIMD */
+    *__SIMD32(pDst)++ = *__SIMD32(pSrc)++;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+
+  while(blkCnt > 0u)
+  {
+    /* C = A */
+    /* Copy and then store the results in the destination buffer */
+    *pDst++ = *pSrc++;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**    
+ * @} end of BasicCopy group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_fill_f32.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_fill_f32.c
new file mode 100644
index 0000000000..98d6635f58
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_fill_f32.c
@@ -0,0 +1,129 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_fill_f32.c    
+*    
+* Description:	Fills a constant value into a floating-point vector.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @defgroup Fill Vector Fill    
+ *    
+ * Fills the destination vector with a constant value.    
+ *    
+ * 
    
+ * 	pDst[n] = value;   0 <= n < blockSize.    
+ * 
    
+ *   
+ * There are separate functions for floating point, Q31, Q15, and Q7 data types.     
+ */
+
+/**    
+ * @addtogroup Fill    
+ * @{    
+ */
+
+/**    
+ * @brief Fills a constant value into a floating-point vector.     
+ * @param[in]       value input value to be filled   
+ * @param[out]      *pDst points to output vector    
+ * @param[in]       blockSize length of the output vector   
+ * @return none.    
+ *    
+ */
+
+
+void arm_fill_f32(
+  float32_t value,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  float32_t in1 = value;
+  float32_t in2 = value;
+  float32_t in3 = value;
+  float32_t in4 = value;
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = value */
+    /* Fill the value in the destination buffer */
+    *pDst++ = in1;
+    *pDst++ = in2;
+    *pDst++ = in3;
+    *pDst++ = in4;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+
+  while(blkCnt > 0u)
+  {
+    /* C = value */
+    /* Fill the value in the destination buffer */
+    *pDst++ = value;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**    
+ * @} end of Fill group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_fill_q15.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_fill_q15.c
new file mode 100644
index 0000000000..9de552934a
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_fill_q15.c
@@ -0,0 +1,115 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_fill_q15.c    
+*    
+* Description:	Fills a constant value into a Q15 vector.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @addtogroup Fill    
+ * @{    
+ */
+
+/**    
+ * @brief Fills a constant value into a Q15 vector.    
+ * @param[in]       value input value to be filled   
+ * @param[out]      *pDst points to output vector    
+ * @param[in]       blockSize length of the output vector   
+ * @return none.    
+ *    
+ */
+
+void arm_fill_q15(
+  q15_t value,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t packedValue;                             /* value packed to 32 bits */
+
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* Packing two 16 bit values to 32 bit value in order to use SIMD */
+  packedValue = __PKHBT(value, value, 16u);
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = value */
+    /* Fill the value in the destination buffer */
+    *__SIMD32(pDst)++ = packedValue;
+    *__SIMD32(pDst)++ = packedValue;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = value */
+    /* Fill the value in the destination buffer */
+    *pDst++ = value;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**    
+ * @} end of Fill group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_fill_q31.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_fill_q31.c
new file mode 100644
index 0000000000..2d4f22e1e7
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_fill_q31.c
@@ -0,0 +1,116 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_fill_q31.c    
+*    
+* Description:	Fills a constant value into a Q31 vector.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @addtogroup Fill    
+ * @{    
+ */
+
+/**    
+ * @brief Fills a constant value into a Q31 vector.    
+ * @param[in]       value input value to be filled   
+ * @param[out]      *pDst points to output vector    
+ * @param[in]       blockSize length of the output vector   
+ * @return none.    
+ *    
+ */
+
+void arm_fill_q31(
+  q31_t value,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  uint32_t blkCnt;                               /* loop counter */
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q31_t in1 = value;
+  q31_t in2 = value;
+  q31_t in3 = value;
+  q31_t in4 = value;
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = value */
+    /* Fill the value in the destination buffer */
+    *pDst++ = in1;
+    *pDst++ = in2;
+    *pDst++ = in3;
+    *pDst++ = in4;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = value */
+    /* Fill the value in the destination buffer */
+    *pDst++ = value;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**    
+ * @} end of Fill group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_fill_q7.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_fill_q7.c
new file mode 100644
index 0000000000..2a26be451b
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_fill_q7.c
@@ -0,0 +1,113 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_fill_q7.c    
+*    
+* Description:	Fills a constant value into a Q7 vector.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @addtogroup Fill    
+ * @{    
+ */
+
+/**    
+ * @brief Fills a constant value into a Q7 vector.    
+ * @param[in]       value input value to be filled   
+ * @param[out]      *pDst points to output vector    
+ * @param[in]       blockSize length of the output vector   
+ * @return none.    
+ *    
+ */
+
+void arm_fill_q7(
+  q7_t value,
+  q7_t * pDst,
+  uint32_t blockSize)
+{
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t packedValue;                             /* value packed to 32 bits */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* Packing four 8 bit values to 32 bit value in order to use SIMD */
+  packedValue = __PACKq7(value, value, value, value);
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = value */
+    /* Fill the value in the destination buffer */
+    *__SIMD32(pDst)++ = packedValue;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = value */
+    /* Fill the value in the destination buffer */
+    *pDst++ = value;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**    
+ * @} end of Fill group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_float_to_q15.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_float_to_q15.c
new file mode 100644
index 0000000000..8ff2efd197
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_float_to_q15.c
@@ -0,0 +1,196 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_float_to_q15.c    
+*    
+* Description:	Converts the elements of the floating-point vector to Q15 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @addtogroup float_to_x    
+ * @{    
+ */
+
+/**    
+ * @brief Converts the elements of the floating-point vector to Q15 vector.    
+ * @param[in]       *pSrc points to the floating-point input vector    
+ * @param[out]      *pDst points to the Q15 output vector   
+ * @param[in]       blockSize length of the input vector    
+ * @return none.    
+ *    
+ * \par Description:    
+ * \par   
+ * The equation used for the conversion process is:    
+ * 
    
+ * 	pDst[n] = (q15_t)(pSrc[n] * 32768);   0 <= n < blockSize.    
+ * 
    
+ * \par Scaling and Overflow Behavior:    
+ * \par    
+ * The function uses saturating arithmetic.    
+ * Results outside of the allowable Q15 range [0x8000 0x7FFF] will be saturated.    
+ * \note   
+ * In order to apply rounding, the library should be rebuilt with the ROUNDING macro     
+ * defined in the preprocessor section of project options.     
+ *    
+ */
+
+
+void arm_float_to_q15(
+  float32_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  float32_t *pIn = pSrc;                         /* Src pointer */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifdef ARM_MATH_ROUNDING
+
+  float32_t in;
+
+#endif /*      #ifdef ARM_MATH_ROUNDING        */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+
+#ifdef ARM_MATH_ROUNDING
+    /* C = A * 32768 */
+    /* convert from float to q15 and then store the results in the destination buffer */
+    in = *pIn++;
+    in = (in * 32768.0f);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = (q15_t) (__SSAT((q31_t) (in), 16));
+
+    in = *pIn++;
+    in = (in * 32768.0f);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = (q15_t) (__SSAT((q31_t) (in), 16));
+
+    in = *pIn++;
+    in = (in * 32768.0f);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = (q15_t) (__SSAT((q31_t) (in), 16));
+
+    in = *pIn++;
+    in = (in * 32768.0f);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = (q15_t) (__SSAT((q31_t) (in), 16));
+
+#else
+
+    /* C = A * 32768 */
+    /* convert from float to q15 and then store the results in the destination buffer */
+    *pDst++ = (q15_t) __SSAT((q31_t) (*pIn++ * 32768.0f), 16);
+    *pDst++ = (q15_t) __SSAT((q31_t) (*pIn++ * 32768.0f), 16);
+    *pDst++ = (q15_t) __SSAT((q31_t) (*pIn++ * 32768.0f), 16);
+    *pDst++ = (q15_t) __SSAT((q31_t) (*pIn++ * 32768.0f), 16);
+
+#endif /*      #ifdef ARM_MATH_ROUNDING        */
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+
+#ifdef ARM_MATH_ROUNDING
+    /* C = A * 32768 */
+    /* convert from float to q15 and then store the results in the destination buffer */
+    in = *pIn++;
+    in = (in * 32768.0f);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = (q15_t) (__SSAT((q31_t) (in), 16));
+
+#else
+
+    /* C = A * 32768 */
+    /* convert from float to q15 and then store the results in the destination buffer */
+    *pDst++ = (q15_t) __SSAT((q31_t) (*pIn++ * 32768.0f), 16);
+
+#endif /*      #ifdef ARM_MATH_ROUNDING        */
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+
+#ifdef ARM_MATH_ROUNDING
+    /* C = A * 32768 */
+    /* convert from float to q15 and then store the results in the destination buffer */
+    in = *pIn++;
+    in = (in * 32768.0f);
+    in += in > 0 ? 0.5f : -0.5f;
+    *pDst++ = (q15_t) (__SSAT((q31_t) (in), 16));
+
+#else
+
+    /* C = A * 32768 */
+    /* convert from float to q15 and then store the results in the destination buffer */
+    *pDst++ = (q15_t) __SSAT((q31_t) (*pIn++ * 32768.0f), 16);
+
+#endif /*      #ifdef ARM_MATH_ROUNDING        */
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of float_to_x group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_float_to_q31.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_float_to_q31.c
new file mode 100644
index 0000000000..1244c8b753
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_float_to_q31.c
@@ -0,0 +1,203 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_float_to_q31.c    
+*    
+* Description:	Converts the elements of the floating-point vector to Q31 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @defgroup float_to_x  Convert 32-bit floating point value    
+ */
+
+/**    
+ * @addtogroup float_to_x    
+ * @{    
+ */
+
+/**    
+ * @brief Converts the elements of the floating-point vector to Q31 vector.    
+ * @param[in]       *pSrc points to the floating-point input vector    
+ * @param[out]      *pDst points to the Q31 output vector   
+ * @param[in]       blockSize length of the input vector    
+ * @return none.    
+ *    
+ *\par Description:    
+ * \par   
+ * The equation used for the conversion process is:    
+ *   
+ * 
    
+ * 	pDst[n] = (q31_t)(pSrc[n] * 2147483648);   0 <= n < blockSize.    
+ * 
    
+ * Scaling and Overflow Behavior:    
+ * \par    
+ * The function uses saturating arithmetic.    
+ * Results outside of the allowable Q31 range[0x80000000 0x7FFFFFFF] will be saturated.    
+ *   
+ * \note In order to apply rounding, the library should be rebuilt with the ROUNDING macro     
+ * defined in the preprocessor section of project options.     
+ */
+
+
+void arm_float_to_q31(
+  float32_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  float32_t *pIn = pSrc;                         /* Src pointer */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifdef ARM_MATH_ROUNDING
+
+  float32_t in;
+
+#endif /*      #ifdef ARM_MATH_ROUNDING        */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+
+#ifdef ARM_MATH_ROUNDING
+
+    /* C = A * 32768 */
+    /* convert from float to Q31 and then store the results in the destination buffer */
+    in = *pIn++;
+    in = (in * 2147483648.0f);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = clip_q63_to_q31((q63_t) (in));
+
+    in = *pIn++;
+    in = (in * 2147483648.0f);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = clip_q63_to_q31((q63_t) (in));
+
+    in = *pIn++;
+    in = (in * 2147483648.0f);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = clip_q63_to_q31((q63_t) (in));
+
+    in = *pIn++;
+    in = (in * 2147483648.0f);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = clip_q63_to_q31((q63_t) (in));
+
+#else
+
+    /* C = A * 2147483648 */
+    /* convert from float to Q31 and then store the results in the destination buffer */
+    *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f));
+    *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f));
+    *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f));
+    *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f));
+
+#endif /*      #ifdef ARM_MATH_ROUNDING        */
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+
+#ifdef ARM_MATH_ROUNDING
+
+    /* C = A * 2147483648 */
+    /* convert from float to Q31 and then store the results in the destination buffer */
+    in = *pIn++;
+    in = (in * 2147483648.0f);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = clip_q63_to_q31((q63_t) (in));
+
+#else
+
+    /* C = A * 2147483648 */
+    /* convert from float to Q31 and then store the results in the destination buffer */
+    *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f));
+
+#endif /*      #ifdef ARM_MATH_ROUNDING        */
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+
+#ifdef ARM_MATH_ROUNDING
+
+    /* C = A * 2147483648 */
+    /* convert from float to Q31 and then store the results in the destination buffer */
+    in = *pIn++;
+    in = (in * 2147483648.0f);
+    in += in > 0 ? 0.5f : -0.5f;
+    *pDst++ = clip_q63_to_q31((q63_t) (in));
+
+#else
+
+    /* C = A * 2147483648 */
+    /* convert from float to Q31 and then store the results in the destination buffer */
+    *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f));
+
+#endif /*      #ifdef ARM_MATH_ROUNDING        */
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of float_to_x group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_float_to_q7.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_float_to_q7.c
new file mode 100644
index 0000000000..e43f0531ee
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_float_to_q7.c
@@ -0,0 +1,195 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_float_to_q7.c    
+*    
+* Description:	Converts the elements of the floating-point vector to Q7 vector.   
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @addtogroup float_to_x    
+ * @{    
+ */
+
+/**    
+ * @brief Converts the elements of the floating-point vector to Q7 vector.    
+ * @param[in]       *pSrc points to the floating-point input vector    
+ * @param[out]      *pDst points to the Q7 output vector   
+ * @param[in]       blockSize length of the input vector    
+ * @return none.    
+ *    
+ *\par Description:    
+ * \par   
+ * The equation used for the conversion process is:    
+ * 
    
+ * 	pDst[n] = (q7_t)(pSrc[n] * 128);   0 <= n < blockSize.    
+ * 
    
+ * \par Scaling and Overflow Behavior:    
+ * \par    
+ * The function uses saturating arithmetic.    
+ * Results outside of the allowable Q7 range [0x80 0x7F] will be saturated.    
+ * \note   
+ * In order to apply rounding, the library should be rebuilt with the ROUNDING macro     
+ * defined in the preprocessor section of project options.     
+ */
+
+
+void arm_float_to_q7(
+  float32_t * pSrc,
+  q7_t * pDst,
+  uint32_t blockSize)
+{
+  float32_t *pIn = pSrc;                         /* Src pointer */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifdef ARM_MATH_ROUNDING
+
+  float32_t in;
+
+#endif /*      #ifdef ARM_MATH_ROUNDING        */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+
+#ifdef ARM_MATH_ROUNDING
+    /* C = A * 128 */
+    /* convert from float to q7 and then store the results in the destination buffer */
+    in = *pIn++;
+    in = (in * 128);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = (q7_t) (__SSAT((q15_t) (in), 8));
+
+    in = *pIn++;
+    in = (in * 128);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = (q7_t) (__SSAT((q15_t) (in), 8));
+
+    in = *pIn++;
+    in = (in * 128);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = (q7_t) (__SSAT((q15_t) (in), 8));
+
+    in = *pIn++;
+    in = (in * 128);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = (q7_t) (__SSAT((q15_t) (in), 8));
+
+#else
+
+    /* C = A * 128 */
+    /* convert from float to q7 and then store the results in the destination buffer */
+    *pDst++ = __SSAT((q31_t) (*pIn++ * 128.0f), 8);
+    *pDst++ = __SSAT((q31_t) (*pIn++ * 128.0f), 8);
+    *pDst++ = __SSAT((q31_t) (*pIn++ * 128.0f), 8);
+    *pDst++ = __SSAT((q31_t) (*pIn++ * 128.0f), 8);
+
+#endif /*      #ifdef ARM_MATH_ROUNDING        */
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+  while(blkCnt > 0u)
+  {
+
+#ifdef ARM_MATH_ROUNDING
+    /* C = A * 128 */
+    /* convert from float to q7 and then store the results in the destination buffer */
+    in = *pIn++;
+    in = (in * 128);
+    in += in > 0 ? 0.5 : -0.5;
+    *pDst++ = (q7_t) (__SSAT((q15_t) (in), 8));
+
+#else
+
+    /* C = A * 128 */
+    /* convert from float to q7 and then store the results in the destination buffer */
+    *pDst++ = __SSAT((q31_t) (*pIn++ * 128.0f), 8);
+
+#endif /*      #ifdef ARM_MATH_ROUNDING        */
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+  while(blkCnt > 0u)
+  {
+#ifdef ARM_MATH_ROUNDING
+    /* C = A * 128 */
+    /* convert from float to q7 and then store the results in the destination buffer */
+    in = *pIn++;
+    in = (in * 128.0f);
+    in += in > 0 ? 0.5f : -0.5f;
+    *pDst++ = (q7_t) (__SSAT((q31_t) (in), 8));
+
+#else
+
+    /* C = A * 128 */
+    /* convert from float to q7 and then store the results in the destination buffer */
+    *pDst++ = (q7_t) __SSAT((q31_t) (*pIn++ * 128.0f), 8);
+
+#endif /*      #ifdef ARM_MATH_ROUNDING        */
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+ * @} end of float_to_x group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q15_to_float.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q15_to_float.c
new file mode 100644
index 0000000000..c927358515
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q15_to_float.c
@@ -0,0 +1,126 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_q15_to_float.c    
+*    
+* Description:	Converts the elements of the Q15 vector to floating-point vector.     
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @defgroup q15_to_x  Convert 16-bit Integer value    
+ */
+
+/**    
+ * @addtogroup q15_to_x    
+ * @{    
+ */
+
+
+
+
+/**    
+ * @brief  Converts the elements of the Q15 vector to floating-point vector.     
+ * @param[in]       *pSrc points to the Q15 input vector    
+ * @param[out]      *pDst points to the floating-point output vector   
+ * @param[in]       blockSize length of the input vector    
+ * @return none.    
+ *    
+ * \par Description:    
+ *    
+ * The equation used for the conversion process is:    
+ *   
+ * 
    
+ * 	pDst[n] = (float32_t) pSrc[n] / 32768;   0 <= n < blockSize.    
+ * 
    
+ *   
+ */
+
+
+void arm_q15_to_float(
+  q15_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pIn = pSrc;                             /* Src pointer */
+  uint32_t blkCnt;                               /* loop counter */
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (float32_t) A / 32768 */
+    /* convert from q15 to float and then store the results in the destination buffer */
+    *pDst++ = ((float32_t) * pIn++ / 32768.0f);
+    *pDst++ = ((float32_t) * pIn++ / 32768.0f);
+    *pDst++ = ((float32_t) * pIn++ / 32768.0f);
+    *pDst++ = ((float32_t) * pIn++ / 32768.0f);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = (float32_t) A / 32768 */
+    /* convert from q15 to float and then store the results in the destination buffer */
+    *pDst++ = ((float32_t) * pIn++ / 32768.0f);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**    
+ * @} end of q15_to_x group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q15_to_q31.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q15_to_q31.c
new file mode 100644
index 0000000000..d785e93018
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q15_to_q31.c
@@ -0,0 +1,148 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_q15_to_q31.c    
+*    
+* Description:	Converts the elements of the Q15 vector to Q31 vector.  
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @addtogroup q15_to_x    
+ * @{    
+ */
+
+/**    
+ * @brief Converts the elements of the Q15 vector to Q31 vector.     
+ * @param[in]       *pSrc points to the Q15 input vector    
+ * @param[out]      *pDst points to the Q31 output vector   
+ * @param[in]       blockSize length of the input vector    
+ * @return none.    
+ *    
+ * \par Description:    
+ *    
+ * The equation used for the conversion process is:   
+ *   
+ * 
    
+ * 	pDst[n] = (q31_t) pSrc[n] << 16;   0 <= n < blockSize.    
+ * 
    
+ *   
+ */
+
+
+void arm_q15_to_q31(
+  q15_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pIn = pSrc;                             /* Src pointer */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q31_t in1, in2;
+  q31_t out1, out2, out3, out4;
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (q31_t)A << 16 */
+    /* convert from q15 to q31 and then store the results in the destination buffer */
+    in1 = *__SIMD32(pIn)++;
+    in2 = *__SIMD32(pIn)++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    /* extract lower 16 bits to 32 bit result */
+    out1 = in1 << 16u;
+    /* extract upper 16 bits to 32 bit result */
+    out2 = in1 & 0xFFFF0000;
+    /* extract lower 16 bits to 32 bit result */
+    out3 = in2 << 16u;
+    /* extract upper 16 bits to 32 bit result */
+    out4 = in2 & 0xFFFF0000;
+
+#else
+
+    /* extract upper 16 bits to 32 bit result */
+    out1 = in1 & 0xFFFF0000;
+    /* extract lower 16 bits to 32 bit result */
+    out2 = in1 << 16u;
+    /* extract upper 16 bits to 32 bit result */
+    out3 = in2 & 0xFFFF0000;
+    /* extract lower 16 bits to 32 bit result */
+    out4 = in2 << 16u;
+
+#endif //      #ifndef ARM_MATH_BIG_ENDIAN
+
+    *pDst++ = out1;
+    *pDst++ = out2;
+    *pDst++ = out3;
+    *pDst++ = out4;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = (q31_t)A << 16 */
+    /* convert from q15 to q31 and then store the results in the destination buffer */
+    *pDst++ = (q31_t) * pIn++ << 16;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+}
+
+/**    
+ * @} end of q15_to_x group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q15_to_q7.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q15_to_q7.c
new file mode 100644
index 0000000000..8d9a9be044
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q15_to_q7.c
@@ -0,0 +1,146 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_q15_to_q7.c    
+*    
+* Description:	Converts the elements of the Q15 vector to Q7 vector.  
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @addtogroup q15_to_x    
+ * @{    
+ */
+
+
+/**    
+ * @brief Converts the elements of the Q15 vector to Q7 vector.     
+ * @param[in]       *pSrc points to the Q15 input vector    
+ * @param[out]      *pDst points to the Q7 output vector   
+ * @param[in]       blockSize length of the input vector    
+ * @return none.    
+ *    
+ * \par Description:    
+ *    
+ * The equation used for the conversion process is:    
+ *   
+ * 
    
+ * 	pDst[n] = (q7_t) pSrc[n] >> 8;   0 <= n < blockSize.    
+ * 
   
+ *   
+ */
+
+
+void arm_q15_to_q7(
+  q15_t * pSrc,
+  q7_t * pDst,
+  uint32_t blockSize)
+{
+  q15_t *pIn = pSrc;                             /* Src pointer */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q31_t in1, in2;
+  q31_t out1, out2;
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (q7_t) A >> 8 */
+    /* convert from q15 to q7 and then store the results in the destination buffer */
+    in1 = *__SIMD32(pIn)++;
+    in2 = *__SIMD32(pIn)++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    out1 = __PKHTB(in2, in1, 16);
+    out2 = __PKHBT(in2, in1, 16);
+
+#else
+
+    out1 = __PKHTB(in1, in2, 16);
+    out2 = __PKHBT(in1, in2, 16);
+
+#endif //      #ifndef ARM_MATH_BIG_ENDIAN
+
+    /* rotate packed value by 24 */
+    out2 = ((uint32_t) out2 << 8) | ((uint32_t) out2 >> 24);
+
+    /* anding with 0xff00ff00 to get two 8 bit values */
+    out1 = out1 & 0xFF00FF00;
+    /* anding with 0x00ff00ff to get two 8 bit values */
+    out2 = out2 & 0x00FF00FF;
+
+    /* oring two values(contains two 8 bit values) to get four packed 8 bit values */
+    out1 = out1 | out2;
+
+    /* store 4 samples at a time to destiantion buffer */
+    *__SIMD32(pDst)++ = out1;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = (q7_t) A >> 8 */
+    /* convert from q15 to q7 and then store the results in the destination buffer */
+    *pDst++ = (q7_t) (*pIn++ >> 8);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+}
+
+/**    
+ * @} end of q15_to_x group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q31_to_float.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q31_to_float.c
new file mode 100644
index 0000000000..b2f6de9b26
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q31_to_float.c
@@ -0,0 +1,123 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_q31_to_float.c    
+*    
+* Description:	Converts the elements of the Q31 vector to floating-point vector.      
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @defgroup q31_to_x  Convert 32-bit Integer value    
+ */
+
+/**    
+ * @addtogroup q31_to_x    
+ * @{    
+ */
+
+/**    
+ * @brief Converts the elements of the Q31 vector to floating-point vector.    
+ * @param[in]       *pSrc points to the Q31 input vector    
+ * @param[out]      *pDst points to the floating-point output vector   
+ * @param[in]       blockSize length of the input vector    
+ * @return none.    
+ *    
+ * \par Description:    
+ *    
+ * The equation used for the conversion process is:    
+ *   
+ * 
    
+ * 	pDst[n] = (float32_t) pSrc[n] / 2147483648;   0 <= n < blockSize.    
+ * 
    
+ *   
+ */
+
+
+void arm_q31_to_float(
+  q31_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  q31_t *pIn = pSrc;                             /* Src pointer */
+  uint32_t blkCnt;                               /* loop counter */
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (float32_t) A / 2147483648 */
+    /* convert from q31 to float and then store the results in the destination buffer */
+    *pDst++ = ((float32_t) * pIn++ / 2147483648.0f);
+    *pDst++ = ((float32_t) * pIn++ / 2147483648.0f);
+    *pDst++ = ((float32_t) * pIn++ / 2147483648.0f);
+    *pDst++ = ((float32_t) * pIn++ / 2147483648.0f);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = (float32_t) A / 2147483648 */
+    /* convert from q31 to float and then store the results in the destination buffer */
+    *pDst++ = ((float32_t) * pIn++ / 2147483648.0f);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**    
+ * @} end of q31_to_x group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q31_to_q15.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q31_to_q15.c
new file mode 100644
index 0000000000..1c99dbb473
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q31_to_q15.c
@@ -0,0 +1,137 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_q31_to_q15.c    
+*    
+* Description:	Converts the elements of the Q31 vector to Q15 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @addtogroup q31_to_x    
+ * @{    
+ */
+
+/**    
+ * @brief Converts the elements of the Q31 vector to Q15 vector.    
+ * @param[in]       *pSrc points to the Q31 input vector    
+ * @param[out]      *pDst points to the Q15 output vector   
+ * @param[in]       blockSize length of the input vector    
+ * @return none.    
+ *     
+ * \par Description:    
+ *    
+ * The equation used for the conversion process is:    
+ *   
+ * 
    
+ * 	pDst[n] = (q15_t) pSrc[n] >> 16;   0 <= n < blockSize.    
+ * 
    
+ *   
+ */
+
+
+void arm_q31_to_q15(
+  q31_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q31_t *pIn = pSrc;                             /* Src pointer */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q31_t in1, in2, in3, in4;
+  q31_t out1, out2;
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (q15_t) A >> 16 */
+    /* convert from q31 to q15 and then store the results in the destination buffer */
+    in1 = *pIn++;
+    in2 = *pIn++;
+    in3 = *pIn++;
+    in4 = *pIn++;
+
+    /* pack two higher 16-bit values from two 32-bit values */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    out1 = __PKHTB(in2, in1, 16);
+    out2 = __PKHTB(in4, in3, 16);
+
+#else
+
+    out1 = __PKHTB(in1, in2, 16);
+    out2 = __PKHTB(in3, in4, 16);
+
+#endif //      #ifdef ARM_MATH_BIG_ENDIAN
+
+    *__SIMD32(pDst)++ = out1;
+    *__SIMD32(pDst)++ = out2;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = (q15_t) A >> 16 */
+    /* convert from q31 to q15 and then store the results in the destination buffer */
+    *pDst++ = (q15_t) (*pIn++ >> 16);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+}
+
+/**    
+ * @} end of q31_to_x group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q31_to_q7.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q31_to_q7.c
new file mode 100644
index 0000000000..2531c11e81
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q31_to_q7.c
@@ -0,0 +1,128 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_q31_to_q7.c    
+*    
+* Description:	Converts the elements of the Q31 vector to Q7 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @addtogroup q31_to_x    
+ * @{    
+ */
+
+/**    
+ * @brief Converts the elements of the Q31 vector to Q7 vector.    
+ * @param[in]       *pSrc points to the Q31 input vector    
+ * @param[out]      *pDst points to the Q7 output vector   
+ * @param[in]       blockSize length of the input vector    
+ * @return none.    
+ *    
+ * \par Description:    
+ *    
+ * The equation used for the conversion process is:    
+ *   
+ * 
    
+ * 	pDst[n] = (q7_t) pSrc[n] >> 24;   0 <= n < blockSize.     
+ * 
    
+ *   
+ */
+
+
+void arm_q31_to_q7(
+  q31_t * pSrc,
+  q7_t * pDst,
+  uint32_t blockSize)
+{
+  q31_t *pIn = pSrc;                             /* Src pointer */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+  q31_t in1, in2, in3, in4;
+  q7_t out1, out2, out3, out4;
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (q7_t) A >> 24 */
+    /* convert from q31 to q7 and then store the results in the destination buffer */
+    in1 = *pIn++;
+    in2 = *pIn++;
+    in3 = *pIn++;
+    in4 = *pIn++;
+
+    out1 = (q7_t) (in1 >> 24);
+    out2 = (q7_t) (in2 >> 24);
+    out3 = (q7_t) (in3 >> 24);
+    out4 = (q7_t) (in4 >> 24);
+
+    *__SIMD32(pDst)++ = __PACKq7(out1, out2, out3, out4);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = (q7_t) A >> 24 */
+    /* convert from q31 to q7 and then store the results in the destination buffer */
+    *pDst++ = (q7_t) (*pIn++ >> 24);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+}
+
+/**    
+ * @} end of q31_to_x group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q7_to_float.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q7_to_float.c
new file mode 100644
index 0000000000..8e3f6f1b7d
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q7_to_float.c
@@ -0,0 +1,123 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_q7_to_float.c    
+*    
+* Description:	Converts the elements of the Q7 vector to floating-point vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @defgroup q7_to_x  Convert 8-bit Integer value    
+ */
+
+/**    
+ * @addtogroup q7_to_x    
+ * @{    
+ */
+
+/**    
+ * @brief Converts the elements of the Q7 vector to floating-point vector.    
+ * @param[in]       *pSrc points to the Q7 input vector    
+ * @param[out]      *pDst points to the floating-point output vector   
+ * @param[in]       blockSize length of the input vector    
+ * @return none.    
+ *		     
+ * \par Description:    
+ *    
+ * The equation used for the conversion process is:    
+ *   
+ * 
    
+ * 	pDst[n] = (float32_t) pSrc[n] / 128;   0 <= n < blockSize.    
+ * 
    
+ *   
+ */
+
+
+void arm_q7_to_float(
+  q7_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize)
+{
+  q7_t *pIn = pSrc;                              /* Src pointer */
+  uint32_t blkCnt;                               /* loop counter */
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (float32_t) A / 128 */
+    /* convert from q7 to float and then store the results in the destination buffer */
+    *pDst++ = ((float32_t) * pIn++ / 128.0f);
+    *pDst++ = ((float32_t) * pIn++ / 128.0f);
+    *pDst++ = ((float32_t) * pIn++ / 128.0f);
+    *pDst++ = ((float32_t) * pIn++ / 128.0f);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = (float32_t) A / 128 */
+    /* convert from q7 to float and then store the results in the destination buffer */
+    *pDst++ = ((float32_t) * pIn++ / 128.0f);
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+}
+
+/**    
+ * @} end of q7_to_x group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q7_to_q15.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q7_to_q15.c
new file mode 100644
index 0000000000..a48ec29b82
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q7_to_q15.c
@@ -0,0 +1,149 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_q7_to_q15.c    
+*    
+* Description:	Converts the elements of the Q7 vector to Q15 vector.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @addtogroup q7_to_x    
+ * @{    
+ */
+
+
+
+
+/**    
+ * @brief Converts the elements of the Q7 vector to Q15 vector.    
+ * @param[in]       *pSrc points to the Q7 input vector    
+ * @param[out]      *pDst points to the Q15 output vector   
+ * @param[in]       blockSize length of the input vector    
+ * @return none.    
+ *    
+ * \par Description:    
+ *    
+ * The equation used for the conversion process is:    
+ *   
+ * 
    
+ * 	pDst[n] = (q15_t) pSrc[n] << 8;   0 <= n < blockSize.    
+ * 
    
+ *   
+ */
+
+
+void arm_q7_to_q15(
+  q7_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize)
+{
+  q7_t *pIn = pSrc;                              /* Src pointer */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+  q31_t in;
+  q31_t in1, in2;
+  q31_t out1, out2;
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (q15_t) A << 8 */
+    /* convert from q7 to q15 and then store the results in the destination buffer */
+    in = *__SIMD32(pIn)++;
+
+    /* rotatate in by 8 and extend two q7_t values to q15_t values */
+    in1 = __SXTB16(__ROR(in, 8));
+
+    /* extend remainig two q7_t values to q15_t values */
+    in2 = __SXTB16(in);
+
+    in1 = in1 << 8u;
+    in2 = in2 << 8u;
+
+    in1 = in1 & 0xFF00FF00;
+    in2 = in2 & 0xFF00FF00;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    out2 = __PKHTB(in1, in2, 16);
+    out1 = __PKHBT(in2, in1, 16);
+
+#else
+
+    out1 = __PKHTB(in1, in2, 16);
+    out2 = __PKHBT(in2, in1, 16);
+
+#endif
+
+    *__SIMD32(pDst)++ = out1;
+    *__SIMD32(pDst)++ = out2;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = (q15_t) A << 8 */
+    /* convert from q7 to q15 and then store the results in the destination buffer */
+    *pDst++ = (q15_t) * pIn++ << 8;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+}
+
+/**    
+ * @} end of q7_to_x group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q7_to_q31.c b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q7_to_q31.c
new file mode 100644
index 0000000000..0607a9a4c8
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/arm_q7_to_q31.c
@@ -0,0 +1,134 @@
+/* ----------------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:		arm_q7_to_q31.c    
+*    
+* Description:	Converts the elements of the Q7 vector to Q31 vector.  
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* ---------------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupSupport    
+ */
+
+/**    
+ * @addtogroup q7_to_x    
+ * @{    
+ */
+
+/**    
+ * @brief Converts the elements of the Q7 vector to Q31 vector.    
+ * @param[in]       *pSrc points to the Q7 input vector    
+ * @param[out]      *pDst points to the Q31 output vector   
+ * @param[in]       blockSize length of the input vector    
+ * @return none.    
+ *    
+ * \par Description:    
+ *    
+ * The equation used for the conversion process is:    
+ *   
+ * 
    
+ * 	pDst[n] = (q31_t) pSrc[n] << 24;   0 <= n < blockSize.   
+ * 
     
+ *   
+ */
+
+
+void arm_q7_to_q31(
+  q7_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize)
+{
+  q7_t *pIn = pSrc;                              /* Src pointer */
+  uint32_t blkCnt;                               /* loop counter */
+
+#ifndef ARM_MATH_CM0
+
+  q31_t in;
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /*loop Unrolling */
+  blkCnt = blockSize >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  while(blkCnt > 0u)
+  {
+    /* C = (q31_t) A << 24 */
+    /* convert from q7 to q31 and then store the results in the destination buffer */
+    in = *__SIMD32(pIn)++;
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    *pDst++ = (__ROR(in, 8)) & 0xFF000000;
+    *pDst++ = (__ROR(in, 16)) & 0xFF000000;
+    *pDst++ = (__ROR(in, 24)) & 0xFF000000;
+    *pDst++ = (in & 0xFF000000);
+
+#else
+
+    *pDst++ = (in & 0xFF000000);
+    *pDst++ = (__ROR(in, 24)) & 0xFF000000;
+    *pDst++ = (__ROR(in, 16)) & 0xFF000000;
+    *pDst++ = (__ROR(in, 8)) & 0xFF000000;
+
+#endif //              #ifndef ARM_MATH_BIG_ENDIAN
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  blkCnt = blockSize % 0x4u;
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Loop over blockSize number of values */
+  blkCnt = blockSize;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+  while(blkCnt > 0u)
+  {
+    /* C = (q31_t) A << 24 */
+    /* convert from q7 to q31 and then store the results in the destination buffer */
+    *pDst++ = (q31_t) * pIn++ << 24;
+
+    /* Decrement the loop counter */
+    blkCnt--;
+  }
+
+}
+
+/**    
+ * @} end of q7_to_x group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/SupportFunctions/math_helper.c b/libraries/dsp/cmsis_dsp/SupportFunctions/math_helper.c
new file mode 100644
index 0000000000..75dcd5f252
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/SupportFunctions/math_helper.c
@@ -0,0 +1,447 @@
+/* ----------------------------------------------------------------------
+* Copyright (C) 2010 ARM Limited. All rights reserved.  
+*  
+* $Date:        29. November 2010  
+* $Revision: 	V1.0.3  
+*  
+* Project: 	    CMSIS DSP Library 
+*
+* Title:	    math_helper.c
+*
+* Description:	Definition of all helper functions required.  
+*  
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.0.3 2010/11/29 
+*    Re-organized the CMSIS folders and updated documentation.  
+*   
+* Version 1.0.2 2010/11/11  
+*    Documentation updated.   
+*  
+* Version 1.0.1 2010/10/05   
+*    Production release and review comments incorporated.  
+*  
+* Version 1.0.0 2010/09/20   
+*    Production release and review comments incorporated.  
+*  
+* Version 0.0.7  2010/06/10   
+*    Misra-C changes done 
+* -------------------------------------------------------------------- */
+
+/* ----------------------------------------------------------------------
+*		Include standard header files  
+* -------------------------------------------------------------------- */
+#include
+
+/* ----------------------------------------------------------------------
+*		Include project header files  
+* -------------------------------------------------------------------- */
+#include "math_helper.h"
+
+/** 
+ * @brief  Caluclation of SNR
+ * @param  float* 	Pointer to the reference buffer
+ * @param  float*	Pointer to the test buffer
+ * @param  uint32_t	total number of samples
+ * @return float	SNR
+ * The function Caluclates signal to noise ratio for the reference output 
+ * and test output 
+ */
+
+float arm_snr_f32(float *pRef, float *pTest, uint32_t buffSize)
+{
+  float EnergySignal = 0.0, EnergyError = 0.0;
+  uint32_t i;
+  float SNR;
+  int temp;
+  int *test;
+
+  for (i = 0; i < buffSize; i++)
+    {
+ 	  /* Checking for a NAN value in pRef array */
+	  test =   (int *)(&pRef[i]);
+      temp =  *test;
+
+	  if(temp == 0x7FC00000)
+	  {
+	  		return(0);
+	  }
+
+	  /* Checking for a NAN value in pTest array */
+	  test =   (int *)(&pTest[i]);
+      temp =  *test;
+
+	  if(temp == 0x7FC00000)
+	  {
+	  		return(0);
+	  }
+      EnergySignal += pRef[i] * pRef[i];
+      EnergyError += (pRef[i] - pTest[i]) * (pRef[i] - pTest[i]); 
+    }
+
+	/* Checking for a NAN value in EnergyError */
+	test =   (int *)(&EnergyError);
+    temp =  *test;
+
+    if(temp == 0x7FC00000)
+    {
+  		return(0);
+    }
+	
+
+  SNR = 10 * log10 (EnergySignal / EnergyError);
+
+  return (SNR);
+
+}
+
+
+/** 
+ * @brief  Provide guard bits for Input buffer
+ * @param  q15_t* 	    Pointer to input buffer
+ * @param  uint32_t 	blockSize
+ * @param  uint32_t 	guard_bits
+ * @return none
+ * The function Provides the guard bits for the buffer 
+ * to avoid overflow 
+ */
+
+void arm_provide_guard_bits_q15 (q15_t * input_buf, uint32_t blockSize,
+                            uint32_t guard_bits)
+{
+  uint32_t i;
+
+  for (i = 0; i < blockSize; i++)
+    {
+      input_buf[i] = input_buf[i] >> guard_bits;
+    }
+}
+
+/** 
+ * @brief  Converts float to fixed in q12.20 format
+ * @param  uint32_t 	number of samples in the buffer
+ * @return none
+ * The function converts floating point values to fixed point(q12.20) values 
+ */
+
+void arm_float_to_q12_20(float *pIn, q31_t * pOut, uint32_t numSamples)
+{
+  uint32_t i;
+
+  for (i = 0; i < numSamples; i++)
+    {
+	  /* 1048576.0f corresponds to pow(2, 20) */
+      pOut[i] = (q31_t) (pIn[i] * 1048576.0f);
+
+      pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
+
+      if (pIn[i] == (float) 1.0)
+        {
+          pOut[i] = 0x000FFFFF;
+        }
+    }
+}
+
+/** 
+ * @brief  Compare MATLAB Reference Output and ARM Test output
+ * @param  q15_t* 	Pointer to Ref buffer
+ * @param  q15_t* 	Pointer to Test buffer
+ * @param  uint32_t 	number of samples in the buffer
+ * @return none 
+ */
+
+uint32_t arm_compare_fixed_q15(q15_t *pIn, q15_t * pOut, uint32_t numSamples)
+{
+  uint32_t i; 
+  int32_t diff, diffCrnt = 0;
+  uint32_t maxDiff = 0;
+
+  for (i = 0; i < numSamples; i++)
+  {
+  	diff = pIn[i] - pOut[i];
+  	diffCrnt = (diff > 0) ? diff : -diff;
+
+	if(diffCrnt > maxDiff)
+	{
+		maxDiff = diffCrnt;
+	}	
+  }
+
+  return(maxDiff);
+}
+
+/** 
+ * @brief  Compare MATLAB Reference Output and ARM Test output
+ * @param  q31_t* 	Pointer to Ref buffer
+ * @param  q31_t* 	Pointer to Test buffer
+ * @param  uint32_t 	number of samples in the buffer
+ * @return none 
+ */
+
+uint32_t arm_compare_fixed_q31(q31_t *pIn, q31_t * pOut, uint32_t numSamples)
+{
+  uint32_t i; 
+  int32_t diff, diffCrnt = 0;
+  uint32_t maxDiff = 0;
+
+  for (i = 0; i < numSamples; i++)
+  {
+  	diff = pIn[i] - pOut[i];
+  	diffCrnt = (diff > 0) ? diff : -diff;
+
+	if(diffCrnt > maxDiff)
+	{
+		maxDiff = diffCrnt;
+	}
+  }
+
+  return(maxDiff);
+}
+
+/** 
+ * @brief  Provide guard bits for Input buffer
+ * @param  q31_t* 	Pointer to input buffer
+ * @param  uint32_t 	blockSize
+ * @param  uint32_t 	guard_bits
+ * @return none
+ * The function Provides the guard bits for the buffer 
+ * to avoid overflow 
+ */
+
+void arm_provide_guard_bits_q31 (q31_t * input_buf, 
+								 uint32_t blockSize,
+                                 uint32_t guard_bits)
+{
+  uint32_t i;
+
+  for (i = 0; i < blockSize; i++)
+    {
+      input_buf[i] = input_buf[i] >> guard_bits;
+    }
+}
+
+/** 
+ * @brief  Provide guard bits for Input buffer
+ * @param  q31_t* 	Pointer to input buffer
+ * @param  uint32_t 	blockSize
+ * @param  uint32_t 	guard_bits
+ * @return none
+ * The function Provides the guard bits for the buffer 
+ * to avoid overflow 
+ */
+
+void arm_provide_guard_bits_q7 (q7_t * input_buf, 
+								uint32_t blockSize,
+                                uint32_t guard_bits)
+{
+  uint32_t i;
+
+  for (i = 0; i < blockSize; i++)
+    {
+      input_buf[i] = input_buf[i] >> guard_bits;
+    }
+}
+
+
+
+/** 
+ * @brief  Caluclates number of guard bits 
+ * @param  uint32_t 	number of additions
+ * @return none
+ * The function Caluclates the number of guard bits  
+ * depending on the numtaps 
+ */
+
+uint32_t arm_calc_guard_bits (uint32_t num_adds)
+{
+  uint32_t i = 1, j = 0;
+
+  if (num_adds == 1)
+    {
+      return (0);
+    }
+
+  while (i < num_adds)
+    {
+      i = i * 2;
+      j++;
+    }
+
+  return (j);
+}
+
+/** 
+ * @brief  Converts Q15 to floating-point
+ * @param  uint32_t 	number of samples in the buffer
+ * @return none
+ */
+
+void arm_apply_guard_bits (float32_t * pIn, 
+						   uint32_t numSamples, 
+						   uint32_t guard_bits)
+{
+  uint32_t i;
+
+  for (i = 0; i < numSamples; i++)
+    {
+      pIn[i] = pIn[i] * arm_calc_2pow(guard_bits);
+    }
+}
+
+/** 
+ * @brief  Calculates pow(2, numShifts)
+ * @param  uint32_t 	number of shifts
+ * @return pow(2, numShifts)
+ */
+uint32_t arm_calc_2pow(uint32_t numShifts)
+{
+
+  uint32_t i, val = 1;
+
+  for (i = 0; i < numShifts; i++)
+    {
+      val = val * 2;
+    }	
+
+  return(val);
+}
+
+
+
+/** 
+ * @brief  Converts float to fixed q14 
+ * @param  uint32_t 	number of samples in the buffer
+ * @return none
+ * The function converts floating point values to fixed point values 
+ */
+
+void arm_float_to_q14 (float *pIn, q15_t * pOut, 
+                       uint32_t numSamples)
+{
+  uint32_t i;
+
+  for (i = 0; i < numSamples; i++)
+    {
+	  /* 16384.0f corresponds to pow(2, 14) */
+      pOut[i] = (q15_t) (pIn[i] * 16384.0f);
+
+      pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
+
+      if (pIn[i] == (float) 2.0)
+        {
+          pOut[i] = 0x7FFF;
+        }
+
+    }
+
+}
+
+ 
+/** 
+ * @brief  Converts float to fixed q30 format
+ * @param  uint32_t 	number of samples in the buffer
+ * @return none
+ * The function converts floating point values to fixed point values 
+ */
+
+void arm_float_to_q30 (float *pIn, q31_t * pOut, 
+					   uint32_t numSamples)
+{
+  uint32_t i;
+
+  for (i = 0; i < numSamples; i++)
+    {
+	  /* 1073741824.0f corresponds to pow(2, 30) */
+      pOut[i] = (q31_t) (pIn[i] * 1073741824.0f);
+
+      pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
+
+      if (pIn[i] == (float) 2.0)
+        {
+          pOut[i] = 0x7FFFFFFF;
+        }
+    }
+}
+
+/** 
+ * @brief  Converts float to fixed q30 format
+ * @param  uint32_t 	number of samples in the buffer
+ * @return none
+ * The function converts floating point values to fixed point values 
+ */
+
+void arm_float_to_q29 (float *pIn, q31_t * pOut, 
+					   uint32_t numSamples)
+{
+  uint32_t i;
+
+  for (i = 0; i < numSamples; i++)
+    {
+	  /* 1073741824.0f corresponds to pow(2, 30) */
+      pOut[i] = (q31_t) (pIn[i] * 536870912.0f);
+
+      pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
+
+      if (pIn[i] == (float) 4.0)
+        {
+          pOut[i] = 0x7FFFFFFF;
+        }
+    }
+}
+
+
+/** 
+ * @brief  Converts float to fixed q28 format
+ * @param  uint32_t 	number of samples in the buffer
+ * @return none
+ * The function converts floating point values to fixed point values 
+ */
+
+void arm_float_to_q28 (float *pIn, q31_t * pOut, 
+                       uint32_t numSamples)
+{
+  uint32_t i;
+
+  for (i = 0; i < numSamples; i++)
+    {
+	/* 268435456.0f corresponds to pow(2, 28) */
+      pOut[i] = (q31_t) (pIn[i] * 268435456.0f);
+
+      pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
+
+      if (pIn[i] == (float) 8.0)
+        {
+          pOut[i] = 0x7FFFFFFF;
+        }
+    }
+}
+
+/** 
+ * @brief  Clip the float values to +/- 1 
+ * @param  pIn 	input buffer
+ * @param  numSamples 	number of samples in the buffer
+ * @return none
+ * The function converts floating point values to fixed point values 
+ */
+
+void arm_clip_f32 (float *pIn, uint32_t numSamples)
+{
+  uint32_t i;
+
+  for (i = 0; i < numSamples; i++)
+    {
+      if(pIn[i] > 1.0f)
+	  {
+	    pIn[i] = 1.0;
+	  }
+	  else if( pIn[i] < -1.0f)
+	  {
+	    pIn[i] = -1.0;
+	  }
+	       
+    }
+}
+
+
+
+
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_bitreversal.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_bitreversal.c
new file mode 100644
index 0000000000..5529914755
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_bitreversal.c
@@ -0,0 +1,222 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_bitreversal.c    
+*    
+* Description:	This file has common tables like Bitreverse, reciprocal etc which are used across different functions    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Initial Version  
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+/*    
+ * @brief  In-place bit reversal function.   
+ * @param[in, out] *pSrc        points to the in-place buffer of floating-point data type.   
+ * @param[in]      fftSize      length of the FFT.   
+ * @param[in]      bitRevFactor bit reversal modifier that supports different size FFTs with the same bit reversal table.   
+ * @param[in]      *pBitRevTab  points to the bit reversal table.   
+ * @return none.   
+ */
+
+void arm_bitreversal_f32(
+  float32_t * pSrc,
+  uint16_t fftSize,
+  uint16_t bitRevFactor,
+  uint16_t * pBitRevTab)
+{
+  uint16_t fftLenBy2, fftLenBy2p1;
+  uint16_t i, j;
+  float32_t in;
+
+  /*  Initializations */
+  j = 0u;
+  fftLenBy2 = fftSize >> 1u;
+  fftLenBy2p1 = (fftSize >> 1u) + 1u;
+
+  /* Bit Reversal Implementation */
+  for (i = 0u; i <= (fftLenBy2 - 2u); i += 2u)
+  {
+    if(i < j)
+    {
+      /*  pSrc[i] <-> pSrc[j]; */
+      in = pSrc[2u * i];
+      pSrc[2u * i] = pSrc[2u * j];
+      pSrc[2u * j] = in;
+
+      /*  pSrc[i+1u] <-> pSrc[j+1u] */
+      in = pSrc[(2u * i) + 1u];
+      pSrc[(2u * i) + 1u] = pSrc[(2u * j) + 1u];
+      pSrc[(2u * j) + 1u] = in;
+
+      /*  pSrc[i+fftLenBy2p1] <-> pSrc[j+fftLenBy2p1] */
+      in = pSrc[2u * (i + fftLenBy2p1)];
+      pSrc[2u * (i + fftLenBy2p1)] = pSrc[2u * (j + fftLenBy2p1)];
+      pSrc[2u * (j + fftLenBy2p1)] = in;
+
+      /*  pSrc[i+fftLenBy2p1+1u] <-> pSrc[j+fftLenBy2p1+1u] */
+      in = pSrc[(2u * (i + fftLenBy2p1)) + 1u];
+      pSrc[(2u * (i + fftLenBy2p1)) + 1u] =
+        pSrc[(2u * (j + fftLenBy2p1)) + 1u];
+      pSrc[(2u * (j + fftLenBy2p1)) + 1u] = in;
+
+    }
+
+    /*  pSrc[i+1u] <-> pSrc[j+1u] */
+    in = pSrc[2u * (i + 1u)];
+    pSrc[2u * (i + 1u)] = pSrc[2u * (j + fftLenBy2)];
+    pSrc[2u * (j + fftLenBy2)] = in;
+
+    /*  pSrc[i+2u] <-> pSrc[j+2u] */
+    in = pSrc[(2u * (i + 1u)) + 1u];
+    pSrc[(2u * (i + 1u)) + 1u] = pSrc[(2u * (j + fftLenBy2)) + 1u];
+    pSrc[(2u * (j + fftLenBy2)) + 1u] = in;
+
+    /*  Reading the index for the bit reversal */
+    j = *pBitRevTab;
+
+    /*  Updating the bit reversal index depending on the fft length  */
+    pBitRevTab += bitRevFactor;
+  }
+}
+
+
+
+/*    
+ * @brief  In-place bit reversal function.   
+ * @param[in, out] *pSrc        points to the in-place buffer of Q31 data type.   
+ * @param[in]      fftLen       length of the FFT.   
+ * @param[in]      bitRevFactor bit reversal modifier that supports different size FFTs with the same bit reversal table   
+ * @param[in]      *pBitRevTab  points to bit reversal table.   
+ * @return none.   
+ */
+
+void arm_bitreversal_q31(
+  q31_t * pSrc,
+  uint32_t fftLen,
+  uint16_t bitRevFactor,
+  uint16_t * pBitRevTable)
+{
+  uint32_t fftLenBy2, fftLenBy2p1, i, j;
+  q31_t in;
+
+  /*  Initializations      */
+  j = 0u;
+  fftLenBy2 = fftLen / 2u;
+  fftLenBy2p1 = (fftLen / 2u) + 1u;
+
+  /* Bit Reversal Implementation */
+  for (i = 0u; i <= (fftLenBy2 - 2u); i += 2u)
+  {
+    if(i < j)
+    {
+      /*  pSrc[i] <-> pSrc[j]; */
+      in = pSrc[2u * i];
+      pSrc[2u * i] = pSrc[2u * j];
+      pSrc[2u * j] = in;
+
+      /*  pSrc[i+1u] <-> pSrc[j+1u] */
+      in = pSrc[(2u * i) + 1u];
+      pSrc[(2u * i) + 1u] = pSrc[(2u * j) + 1u];
+      pSrc[(2u * j) + 1u] = in;
+
+      /*  pSrc[i+fftLenBy2p1] <-> pSrc[j+fftLenBy2p1] */
+      in = pSrc[2u * (i + fftLenBy2p1)];
+      pSrc[2u * (i + fftLenBy2p1)] = pSrc[2u * (j + fftLenBy2p1)];
+      pSrc[2u * (j + fftLenBy2p1)] = in;
+
+      /*  pSrc[i+fftLenBy2p1+1u] <-> pSrc[j+fftLenBy2p1+1u] */
+      in = pSrc[(2u * (i + fftLenBy2p1)) + 1u];
+      pSrc[(2u * (i + fftLenBy2p1)) + 1u] =
+        pSrc[(2u * (j + fftLenBy2p1)) + 1u];
+      pSrc[(2u * (j + fftLenBy2p1)) + 1u] = in;
+
+    }
+
+    /*  pSrc[i+1u] <-> pSrc[j+1u] */
+    in = pSrc[2u * (i + 1u)];
+    pSrc[2u * (i + 1u)] = pSrc[2u * (j + fftLenBy2)];
+    pSrc[2u * (j + fftLenBy2)] = in;
+
+    /*  pSrc[i+2u] <-> pSrc[j+2u] */
+    in = pSrc[(2u * (i + 1u)) + 1u];
+    pSrc[(2u * (i + 1u)) + 1u] = pSrc[(2u * (j + fftLenBy2)) + 1u];
+    pSrc[(2u * (j + fftLenBy2)) + 1u] = in;
+
+    /*  Reading the index for the bit reversal */
+    j = *pBitRevTable;
+
+    /*  Updating the bit reversal index depending on the fft length */
+    pBitRevTable += bitRevFactor;
+  }
+}
+
+
+
+/*    
+   * @brief  In-place bit reversal function.   
+   * @param[in, out] *pSrc        points to the in-place buffer of Q15 data type.   
+   * @param[in]      fftLen       length of the FFT.   
+   * @param[in]      bitRevFactor bit reversal modifier that supports different size FFTs with the same bit reversal table   
+   * @param[in]      *pBitRevTab  points to bit reversal table.   
+   * @return none.   
+ */
+
+void arm_bitreversal_q15(
+  q15_t * pSrc16,
+  uint32_t fftLen,
+  uint16_t bitRevFactor,
+  uint16_t * pBitRevTab)
+{
+  q31_t *pSrc = (q31_t *) pSrc16;
+  q31_t in;
+  uint32_t fftLenBy2, fftLenBy2p1;
+  uint32_t i, j;
+
+  /*  Initializations */
+  j = 0u;
+  fftLenBy2 = fftLen / 2u;
+  fftLenBy2p1 = (fftLen / 2u) + 1u;
+
+  /* Bit Reversal Implementation */
+  for (i = 0u; i <= (fftLenBy2 - 2u); i += 2u)
+  {
+    if(i < j)
+    {
+      /*  pSrc[i] <-> pSrc[j]; */
+      /*  pSrc[i+1u] <-> pSrc[j+1u] */
+      in = pSrc[i];
+      pSrc[i] = pSrc[j];
+      pSrc[j] = in;
+
+      /*  pSrc[i + fftLenBy2p1] <-> pSrc[j + fftLenBy2p1];  */
+      /*  pSrc[i + fftLenBy2p1+1u] <-> pSrc[j + fftLenBy2p1+1u] */
+      in = pSrc[i + fftLenBy2p1];
+      pSrc[i + fftLenBy2p1] = pSrc[j + fftLenBy2p1];
+      pSrc[j + fftLenBy2p1] = in;
+    }
+
+    /*  pSrc[i+1u] <-> pSrc[j+fftLenBy2];         */
+    /*  pSrc[i+2] <-> pSrc[j+fftLenBy2+1u]  */
+    in = pSrc[i + 1u];
+    pSrc[i + 1u] = pSrc[j + fftLenBy2];
+    pSrc[j + fftLenBy2] = in;
+
+    /*  Reading the index for the bit reversal */
+    j = *pBitRevTab;
+
+    /*  Updating the bit reversal index depending on the fft length  */
+    pBitRevTab += bitRevFactor;
+  }
+}
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_f32.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_f32.c
new file mode 100644
index 0000000000..3cfc45fd9a
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_f32.c
@@ -0,0 +1,511 @@
+/* ----------------------------------------------------------------------   
+* Copyright (C) 2010 ARM Limited. All rights reserved.   
+*   
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*   
+* Project: 	    CMSIS DSP Library   
+* Title:	    arm_cfft_radix2_f32.c   
+*   
+* Description:	Radix-2 Decimation in Frequency CFFT & CIFFT Floating point processing function   
+*   
+*   
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.3 2010/11/29  
+*    Initial version   
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**   
+ * @ingroup groupTransforms   
+ */
+
+/**   
+ * @defgroup Radix2_CFFT_CIFFT Radix-2 Complex FFT Functions   
+ *   
+ * \par   
+ * Complex Fast Fourier Transform(CFFT) and Complex Inverse Fast Fourier Transform(CIFFT) is an efficient algorithm to compute Discrete Fourier Transform(DFT) and Inverse Discrete Fourier Transform(IDFT).   
+ * Computational complexity of CFFT reduces drastically when compared to DFT.   
+ * \par   
+ * This set of functions implements CFFT/CIFFT   
+ * for Q15, Q31, and floating-point data types.  The functions operates on in-place buffer which uses same buffer for input and output.   
+ * Complex input is stored in input buffer in an interleaved fashion.   
+ *   
+ * \par   
+ * The functions operate on blocks of input and output data and each call to the function processes   
+ * 2*fftLen samples through the transform.  pSrc  points to In-place arrays containing 2*fftLen values.   
+ * \par  
+ * The pSrc points to the array of in-place buffer of size 2*fftLen and inputs and outputs are stored in an interleaved fashion as shown below.   
+ * 
 {real[0], imag[0], real[1], imag[1],..} 
   
+ *   
+ * \par Lengths supported by the transform:  
+ * \par   
+ * Internally, the function utilize a radix-2 decimation in frequency(DIF) algorithm   
+ * and the size of the FFT supported are of the lengths [16, 32, 64, 128, 256, 512, 1024, 2048, 4096].  
+ *    
+ *   
+ * \par Algorithm:   
+ *   
+ * Complex Fast Fourier Transform:   
+ * \par    
+ * Input real and imaginary data:   
+ * 
   
+ * x(n) = xa + j * ya   
+ * x(n+N/2 ) = xb + j * yb   
+ * 
   
+ * where N is length of FFT   
+ * \par   
+ * Output real and imaginary data:   
+ * 
   
+ * X(2r) = xa'+ j * ya'   
+ * X(2r+1) = xb'+ j * yb'   
+ * 
   
+ * \par   
+ * Twiddle factors for radix-2 FFT:   
+ * 
   
+ * Wn = cosVal + j * (- sinVal)   
+ * 
   
+ *   
+ * \par   
+ * \image html CFFT_Radix2.gif "Radix-2 Decimation-in Frequency Complex Fast Fourier Transform"   
+ *   
+ * \par   
+ * Output from Radix-2 CFFT Results in Digit reversal order. Interchange middle two branches of every butterfly results in Bit reversed output.   
+ * \par   
+ *  Butterfly CFFT equations:   
+ * 
   
+ * xa' = xa + xb  
+ * ya' = ya + yb  
+ * xb' = (xa-xb)* cosVal + (ya-yb) * sinVal   
+ * yb' = (ya-yb)* cosVal - (xa-xb) * sinVal   
+ * 
   
+ *   
+ *   
+ * Complex Inverse Fast Fourier Transform:   
+ * \par   
+ * CIFFT uses same twiddle factor table as CFFT with modifications in the design equation as shown below.   
+ *   
+ * \par   
+ *  Modified Butterfly CIFFT equations:   
+ * 
   
+ * xa' = xa + xb  
+ * ya' = ya + yb  
+ * xb' = (xa-xb)* cosVal - (ya-yb) * sinVal   
+ * yb' = (ya-yb)* cosVal + (xa-xb) * sinVal   
+ * 
   
+ *   
+ * \par Instance Structure   
+ * A separate instance structure must be defined for each Instance but the twiddle factors and bit reversal tables can be reused.   
+ * There are separate instance structure declarations for each of the 3 supported data types.   
+ *   
+ * \par Initialization Functions   
+ * There is also an associated initialization function for each data type.   
+ * The initialization function performs the following operations:   
+ * - Sets the values of the internal structure fields.   
+ * - Initializes twiddle factor table and bit reversal table pointers   
+ * \par   
+ * Use of the initialization function is optional.   
+ * However, if the initialization function is used, then the instance structure cannot be placed into a const data section.   
+ * To place an instance structure into a const data section, the instance structure must be manually initialized.   
+ * Manually initialize the instance structure as follows:   
+ * 
   
+ *arm_cfft_radix2_instance_f32 S = {fftLen, ifftFlag, bitReverseFlag, pTwiddle, pBitRevTable, twidCoefModifier, bitRevFactor, onebyfftLen};   
+ *arm_cfft_radix2_instance_q31 S = {fftLen, ifftFlag, bitReverseFlag, pTwiddle, pBitRevTable, twidCoefModifier, bitRevFactor};   
+ *arm_cfft_radix2_instance_q15 S = {fftLen, ifftFlag, bitReverseFlag, pTwiddle, pBitRevTable, twidCoefModifier, bitRevFactor};   
+ * 
   
+ * \par   
+ * where fftLen length of CFFT/CIFFT; ifftFlag Flag for selection of CFFT or CIFFT(Set ifftFlag to calculate CIFFT otherwise calculates CFFT);   
+ * bitReverseFlag Flag for selection of output order(Set bitReverseFlag to output in normal order otherwise output in bit reversed order);    
+ * pTwiddlepoints to array of twiddle coefficients; pBitRevTable points to the array of bit reversal table.   
+ * twidCoefModifier modifier for twiddle factor table which supports all FFT lengths with same table;    
+ * pBitRevTable modifier for bit reversal table which supports all FFT lengths with same table.   
+ * onebyfftLen value of 1/fftLen to calculate CIFFT;   
+ *  
+ * \par Fixed-Point Behavior   
+ * Care must be taken when using the fixed-point versions of the CFFT/CIFFT function.   
+ * Refer to the function specific documentation below for usage guidelines.   
+ */
+
+
+/**   
+ * @addtogroup Radix2_CFFT_CIFFT   
+ * @{   
+ */
+
+/**   
+ * @details   
+ * @brief Processing function for the floating-point Radix-2 CFFT/CIFFT.  
+ * @param[in]      *S    points to an instance of the floating-point Radix-2 CFFT/CIFFT structure.  
+ * @param[in, out] *pSrc points to the complex data buffer of size 2*fftLen. Processing occurs in-place.  
+ * @return none.  
+ */
+
+void arm_cfft_radix2_f32(
+  const arm_cfft_radix2_instance_f32 * S,
+  float32_t * pSrc)
+{
+
+  if(S->ifftFlag == 1u)
+  {
+    /*  Complex IFFT radix-2  */
+    arm_radix2_butterfly_inverse_f32(pSrc, S->fftLen, S->pTwiddle,
+                                     S->twidCoefModifier, S->onebyfftLen);
+  }
+  else
+  {
+    /*  Complex FFT radix-2  */
+    arm_radix2_butterfly_f32(pSrc, S->fftLen, S->pTwiddle,
+                             S->twidCoefModifier);
+  }
+
+  if(S->bitReverseFlag == 1u)
+  {
+    /*  Bit Reversal */
+    arm_bitreversal_f32(pSrc, S->fftLen, S->bitRevFactor, S->pBitRevTable);
+  }
+
+}
+
+
+/**    
+ * @} end of Radix2_CFFT_CIFFT group    
+ */
+
+
+
+/* ----------------------------------------------------------------------    
+** Internal helper function used by the FFTs    
+** ------------------------------------------------------------------- */
+
+/*    
+ * @brief  Core function for the floating-point CFFT butterfly process.   
+ * @param[in, out] *pSrc            points to the in-place buffer of floating-point data type.   
+ * @param[in]      fftLen           length of the FFT.   
+ * @param[in]      *pCoef           points to the twiddle coefficient buffer.   
+ * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.   
+ * @return none.   
+ */
+
+void arm_radix2_butterfly_f32(
+  float32_t * pSrc,
+  uint32_t fftLen,
+  float32_t * pCoef,
+  uint16_t twidCoefModifier)
+{
+
+  int i, j, k, l;
+  int n1, n2, ia;
+  float32_t xt, yt, cosVal, sinVal;
+
+#ifndef ARM_MATH_CM0
+
+  /*  Initializations for the first stage */
+  n2 = fftLen;
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  // loop for groups 
+  for (i = 0; i < n2; i++)
+  {
+    cosVal = pCoef[ia * 2];
+    sinVal = pCoef[(ia * 2) + 1];
+
+    /*  Twiddle coefficients index modifier */
+    ia = ia + twidCoefModifier;
+
+    /*  index calculation for the input as, */
+    /*  pSrc[i + 0], pSrc[i + fftLen/1] */
+    l = i + n2;
+
+    /*  Butterfly implementation */
+    xt = pSrc[2 * i] - pSrc[2 * l];
+    pSrc[2 * i] = pSrc[2 * i] + pSrc[2 * l];
+
+    yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+    pSrc[2 * i + 1] = pSrc[2 * l + 1] + pSrc[2 * i + 1];
+
+    pSrc[2u * l] = xt * cosVal + yt * sinVal;
+
+    pSrc[2u * l + 1u] = yt * cosVal - xt * sinVal;
+
+  }                             // groups loop end 
+
+  twidCoefModifier = twidCoefModifier << 1u;
+
+  // loop for stage 
+  for (k = fftLen / 2; k > 2; k = k >> 1)
+  {
+    n1 = n2;
+    n2 = n2 >> 1;
+    ia = 0;
+
+    // loop for groups 
+    for (j = 0; j < n2; j++)
+    {
+      cosVal = pCoef[ia * 2];
+      sinVal = pCoef[(ia * 2) + 1];
+      ia = ia + twidCoefModifier;
+
+      // loop for butterfly 
+      for (i = j; i < fftLen; i += n1)
+      {
+        l = i + n2;
+        xt = pSrc[2 * i] - pSrc[2 * l];
+        pSrc[2 * i] = pSrc[2 * i] + pSrc[2 * l];
+
+        yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+        pSrc[2 * i + 1] = pSrc[2 * l + 1] + pSrc[2 * i + 1];
+
+        pSrc[2u * l] = xt * cosVal + yt * sinVal;
+
+        pSrc[2u * l + 1u] = yt * cosVal - xt * sinVal;
+
+      }                         // butterfly loop end 
+
+    }                           // groups loop end 
+
+    twidCoefModifier = twidCoefModifier << 1u;
+  }                             // stages loop end 
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  cosVal = pCoef[ia * 2];
+  sinVal = pCoef[(ia * 2) + 1];
+  ia = ia + twidCoefModifier;
+
+  // loop for butterfly 
+  for (i = 0; i < fftLen; i += n1)
+  {
+    l = i + n2;
+    xt = pSrc[2 * i] - pSrc[2 * l];
+    pSrc[2 * i] = (pSrc[2 * i] + pSrc[2 * l]);
+
+    yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+    pSrc[2 * i + 1] = (pSrc[2 * l + 1] + pSrc[2 * i + 1]);
+
+    pSrc[2u * l] = xt;
+
+    pSrc[2u * l + 1u] = yt;
+
+  }                             // groups loop end 
+
+#else
+
+  //N = fftLen; 
+  n2 = fftLen;
+
+  // loop for stage 
+  for (k = fftLen; k > 1; k = k >> 1)
+  {
+    n1 = n2;
+    n2 = n2 >> 1;
+    ia = 0;
+
+    // loop for groups 
+    for (j = 0; j < n2; j++)
+    {
+      cosVal = pCoef[ia * 2];
+      sinVal = pCoef[(ia * 2) + 1];
+      ia = ia + twidCoefModifier;
+
+      // loop for butterfly 
+      for (i = j; i < fftLen; i += n1)
+      {
+        l = i + n2;
+        xt = pSrc[2 * i] - pSrc[2 * l];
+        pSrc[2 * i] = pSrc[2 * i] + pSrc[2 * l];
+
+        yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+        pSrc[2 * i + 1] = pSrc[2 * l + 1] + pSrc[2 * i + 1];
+
+        pSrc[2 * l] = (cosVal * xt + sinVal * yt);      // >> 15; 
+        pSrc[2 * l + 1] = (cosVal * yt - sinVal * xt);  // >> 15; 
+
+      }
+    }
+    twidCoefModifier = twidCoefModifier << 1u;
+  }
+
+#endif //    #ifndef ARM_MATH_CM0
+
+}
+
+
+void arm_radix2_butterfly_inverse_f32(
+  float32_t * pSrc,
+  uint32_t fftLen,
+  float32_t * pCoef,
+  uint16_t twidCoefModifier,
+  float32_t onebyfftLen)
+{
+
+  int i, j, k, l;
+  int n1, n2, ia;
+  float32_t xt, yt, cosVal, sinVal;
+
+#ifndef ARM_MATH_CM0
+
+  //N = fftLen; 
+  n2 = fftLen;
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  // loop for groups 
+  for (i = 0; i < n2; i++)
+  {
+    cosVal = pCoef[ia * 2];
+    sinVal = pCoef[(ia * 2) + 1];
+    ia = ia + twidCoefModifier;
+
+    l = i + n2;
+    xt = pSrc[2 * i] - pSrc[2 * l];
+    pSrc[2 * i] = pSrc[2 * i] + pSrc[2 * l];
+
+    yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+    pSrc[2 * i + 1] = pSrc[2 * l + 1] + pSrc[2 * i + 1];
+
+    pSrc[2u * l] = xt * cosVal - yt * sinVal;
+
+    pSrc[2u * l + 1u] = yt * cosVal + xt * sinVal;
+
+  }                             // groups loop end 
+
+  twidCoefModifier = twidCoefModifier << 1u;
+
+  // loop for stage 
+  for (k = fftLen / 2; k > 2; k = k >> 1)
+  {
+    n1 = n2;
+    n2 = n2 >> 1;
+    ia = 0;
+
+    // loop for groups 
+    for (j = 0; j < n2; j++)
+    {
+      cosVal = pCoef[ia * 2];
+      sinVal = pCoef[(ia * 2) + 1];
+      ia = ia + twidCoefModifier;
+
+      // loop for butterfly 
+      for (i = j; i < fftLen; i += n1)
+      {
+        l = i + n2;
+        xt = pSrc[2 * i] - pSrc[2 * l];
+        pSrc[2 * i] = pSrc[2 * i] + pSrc[2 * l];
+
+        yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+        pSrc[2 * i + 1] = pSrc[2 * l + 1] + pSrc[2 * i + 1];
+
+        pSrc[2u * l] = xt * cosVal - yt * sinVal;
+
+        pSrc[2u * l + 1u] = yt * cosVal + xt * sinVal;
+
+      }                         // butterfly loop end 
+
+    }                           // groups loop end 
+
+    twidCoefModifier = twidCoefModifier << 1u;
+  }                             // stages loop end 
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  cosVal = pCoef[ia * 2];
+  sinVal = pCoef[(ia * 2) + 1];
+  ia = ia + twidCoefModifier;
+
+  // loop for butterfly 
+  for (i = 0; i < fftLen; i += n1)
+  {
+    l = i + n2;
+    xt = pSrc[2 * i] - pSrc[2 * l];
+    pSrc[2 * i] = (pSrc[2 * i] + pSrc[2 * l]) * onebyfftLen;
+
+    yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+    pSrc[2 * i + 1] = (pSrc[2 * l + 1] + pSrc[2 * i + 1]) * onebyfftLen;
+
+    pSrc[2u * l] = xt * onebyfftLen;
+
+    pSrc[2u * l + 1u] = yt * onebyfftLen;
+
+  }                             // butterfly loop end 
+
+#else
+
+  //N = fftLen; 
+  n2 = fftLen;
+
+  // loop for stage 
+  for (k = fftLen; k > 2; k = k >> 1)
+  {
+    n1 = n2;
+    n2 = n2 >> 1;
+    ia = 0;
+
+    // loop for groups 
+    for (j = 0; j < n2; j++)
+    {
+      cosVal = pCoef[ia * 2];
+      sinVal = pCoef[(ia * 2) + 1];
+      ia = ia + twidCoefModifier;
+
+      // loop for butterfly 
+      for (i = j; i < fftLen; i += n1)
+      {
+        l = i + n2;
+        xt = pSrc[2 * i] - pSrc[2 * l];
+        pSrc[2 * i] = pSrc[2 * i] + pSrc[2 * l];
+
+        yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+        pSrc[2 * i + 1] = pSrc[2 * l + 1] + pSrc[2 * i + 1];
+
+        pSrc[2u * l] = xt * cosVal - yt * sinVal;
+
+        pSrc[2u * l + 1u] = yt * cosVal + xt * sinVal;
+
+      }                         // butterfly loop end 
+
+    }                           // groups loop end 
+
+    twidCoefModifier = twidCoefModifier << 1u;
+  }                             // stages loop end 
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  cosVal = pCoef[ia * 2];
+  sinVal = pCoef[(ia * 2) + 1];
+  ia = ia + twidCoefModifier;
+
+  // loop for butterfly 
+  for (i = 0; i < fftLen; i += n1)
+  {
+    l = i + n2;
+    xt = pSrc[2 * i] - pSrc[2 * l];
+    pSrc[2 * i] = (pSrc[2 * i] + pSrc[2 * l]) * onebyfftLen;
+
+    yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+    pSrc[2 * i + 1] = (pSrc[2 * l + 1] + pSrc[2 * i + 1]) * onebyfftLen;
+
+    pSrc[2u * l] = xt * onebyfftLen;
+
+    pSrc[2u * l + 1u] = yt * onebyfftLen;
+
+  }                             // butterfly loop end 
+
+#endif //      #ifndef ARM_MATH_CM0
+
+}
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_init_f32.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_init_f32.c
new file mode 100644
index 0000000000..76c781fc32
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_init_f32.c
@@ -0,0 +1,198 @@
+/* ----------------------------------------------------------------------   
+* Copyright (C) 2010 ARM Limited. All rights reserved.   
+*   
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*   
+* Project: 	    CMSIS DSP Library   
+* Title:	    arm_cfft_radix4_init_f32.c   
+*   
+* Description:	Radix-4 Decimation in Frequency Floating-point CFFT & CIFFT Initialization function   
+*   
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.3 2010/11/29  
+*    Re-organized the CMSIS folders and updated documentation.   
+*    
+* Version 1.0.2 2010/11/11   
+*    Documentation updated.    
+*   
+* Version 1.0.1 2010/10/05    
+*    Production release and review comments incorporated.   
+*   
+* Version 1.0.0 2010/09/20    
+*    Production release and review comments incorporated.   
+*   
+* Version 0.0.5  2010/04/26    
+* 	 incorporated review comments and updated with latest CMSIS layer   
+*   
+* Version 0.0.3  2010/03/10    
+*    Initial version   
+* -------------------------------------------------------------------- */
+
+
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+/**   
+ * @ingroup groupTransforms   
+ */
+
+/**   
+ * @addtogroup Radix2_CFFT_CIFFT   
+ * @{   
+ */
+
+/**   
+* @brief  Initialization function for the floating-point CFFT/CIFFT.  
+* @param[in,out] *S             points to an instance of the floating-point CFFT/CIFFT structure.  
+* @param[in]     fftLen         length of the FFT.  
+* @param[in]     ifftFlag       flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.  
+* @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.  
+* @return        The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLen is not a supported value.  
+*   
+* \par Description:  
+* \par   
+* The parameter ifftFlag controls whether a forward or inverse transform is computed.   
+* Set(=1) ifftFlag for calculation of CIFFT otherwise  CFFT is calculated  
+* \par   
+* The parameter bitReverseFlag controls whether output is in normal order or bit reversed order.   
+* Set(=1) bitReverseFlag for output to be in normal order otherwise output is in bit reversed order.   
+* \par   
+* The parameter fftLen	Specifies length of CFFT/CIFFT process. Supported FFT Lengths are 16, 64, 256, 1024.   
+* \par   
+* This Function also initializes Twiddle factor table pointer and Bit reversal table pointer.   
+*/
+arm_status arm_cfft_radix2_init_f32(
+  arm_cfft_radix2_instance_f32 * S,
+  uint16_t fftLen,
+  uint8_t ifftFlag,
+  uint8_t bitReverseFlag)
+{
+  /*  Initialise the default arm status */
+  arm_status status = ARM_MATH_SUCCESS;
+
+  /*  Initialise the FFT length */
+  S->fftLen = fftLen;
+
+  /*  Initialise the Twiddle coefficient pointer */
+  S->pTwiddle = (float32_t *) twiddleCoef;
+
+  /*  Initialise the Flag for selection of CFFT or CIFFT */
+  S->ifftFlag = ifftFlag;
+
+  /*  Initialise the Flag for calculation Bit reversal or not */
+  S->bitReverseFlag = bitReverseFlag;
+
+  /*  Initializations of structure parameters depending on the FFT length */
+  switch (S->fftLen)
+  {
+
+  case 4096u:
+    /*  Initializations of structure parameters for 4096 point FFT */
+
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 1u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 1u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) armBitRevTable;
+    /*  Initialise the 1/fftLen Value */
+    S->onebyfftLen = 0.000244140625;
+    break;
+
+  case 2048u:
+    /*  Initializations of structure parameters for 2048 point FFT */
+
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 2u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 2u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[1];
+    /*  Initialise the 1/fftLen Value */
+    S->onebyfftLen = 0.00048828125;
+    break;
+
+  case 1024u:
+    /*  Initializations of structure parameters for 1024 point FFT */
+
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 4u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 4u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[3];
+    /*  Initialise the 1/fftLen Value */
+    S->onebyfftLen = 0.0009765625f;
+    break;
+
+  case 512u:
+    /*  Initializations of structure parameters for 512 point FFT */
+
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 8u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 8u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[7];
+    /*  Initialise the 1/fftLen Value */
+    S->onebyfftLen = 0.001953125;
+    break;
+
+  case 256u:
+    /*  Initializations of structure parameters for 256 point FFT */
+    S->twidCoefModifier = 16u;
+    S->bitRevFactor = 16u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[15];
+    S->onebyfftLen = 0.00390625f;
+    break;
+
+  case 128u:
+    /*  Initializations of structure parameters for 128 point FFT */
+    S->twidCoefModifier = 32u;
+    S->bitRevFactor = 32u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[31];
+    S->onebyfftLen = 0.0078125;
+    break;
+
+  case 64u:
+    /*  Initializations of structure parameters for 64 point FFT */
+    S->twidCoefModifier = 64u;
+    S->bitRevFactor = 64u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[63];
+    S->onebyfftLen = 0.015625f;
+    break;
+
+  case 32u:
+    /*  Initializations of structure parameters for 64 point FFT */
+    S->twidCoefModifier = 128u;
+    S->bitRevFactor = 128u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[127];
+    S->onebyfftLen = 0.03125;
+    break;
+
+  case 16u:
+    /*  Initializations of structure parameters for 16 point FFT */
+    S->twidCoefModifier = 256u;
+    S->bitRevFactor = 256u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[255];
+    S->onebyfftLen = 0.0625f;
+    break;
+
+
+  default:
+    /*  Reporting argument error if fftSize is not valid value */
+    status = ARM_MATH_ARGUMENT_ERROR;
+    break;
+  }
+
+  return (status);
+}
+
+/**   
+ * @} end of Radix2_CFFT_CIFFT group   
+ */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_init_q15.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_init_q15.c
new file mode 100644
index 0000000000..b6ba22c186
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_init_q15.c
@@ -0,0 +1,186 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_cfft_radix2_init_q15.c    
+*    
+* Description:	Radix-2 Decimation in Frequency Q15 FFT & IFFT initialization function    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+
+/**    
+ * @addtogroup Radix2_CFFT_CIFFT    
+ * @{    
+ */
+
+/**   
+* @brief Initialization function for the Q15 CFFT/CIFFT.   
+* @param[in,out] *S             points to an instance of the Q15 CFFT/CIFFT structure.   
+* @param[in]     fftLen         length of the FFT.   
+* @param[in]     ifftFlag       flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.  
+* @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.  
+* @return        The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLen is not a supported value.  
+*   
+* \par Description:  
+* \par   
+* The parameter ifftFlag controls whether a forward or inverse transform is computed.   
+* Set(=1) ifftFlag for calculation of CIFFT otherwise  CFFT is calculated  
+* \par   
+* The parameter bitReverseFlag controls whether output is in normal order or bit reversed order.   
+* Set(=1) bitReverseFlag for output to be in normal order otherwise output is in bit reversed order.   
+* \par   
+* The parameter fftLen	Specifies length of CFFT/CIFFT process. Supported FFT Lengths are 16, 64, 256, 1024.   
+* \par   
+* This Function also initializes Twiddle factor table pointer and Bit reversal table pointer.   
+*/
+
+arm_status arm_cfft_radix2_init_q15(
+  arm_cfft_radix2_instance_q15 * S,
+  uint16_t fftLen,
+  uint8_t ifftFlag,
+  uint8_t bitReverseFlag)
+{
+  /*  Initialise the default arm status */
+  arm_status status = ARM_MATH_SUCCESS;
+
+  /*  Initialise the FFT length */
+  S->fftLen = fftLen;
+
+  /*  Initialise the Twiddle coefficient pointer */
+  S->pTwiddle = (q15_t *) twiddleCoefQ15;
+  /*  Initialise the Flag for selection of CFFT or CIFFT */
+  S->ifftFlag = ifftFlag;
+  /*  Initialise the Flag for calculation Bit reversal or not */
+  S->bitReverseFlag = bitReverseFlag;
+
+  /*  Initializations of structure parameters depending on the FFT length */
+  switch (S->fftLen)
+  {
+  case 4096u:
+    /*  Initializations of structure parameters for 4096 point FFT */
+
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 1u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 1u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) armBitRevTable;
+
+    break;
+
+  case 2048u:
+    /*  Initializations of structure parameters for 2048 point FFT */
+
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 2u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 2u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[1];
+
+    break;
+
+  case 1024u:
+    /*  Initializations of structure parameters for 1024 point FFT */
+    S->twidCoefModifier = 4u;
+    S->bitRevFactor = 4u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[3];
+
+    break;
+
+  case 512u:
+    /*  Initializations of structure parameters for 512 point FFT */
+    S->twidCoefModifier = 8u;
+    S->bitRevFactor = 8u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[7];
+
+    break;
+
+  case 256u:
+    /*  Initializations of structure parameters for 256 point FFT */
+    S->twidCoefModifier = 16u;
+    S->bitRevFactor = 16u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[15];
+
+    break;
+
+  case 128u:
+    /*  Initializations of structure parameters for 128 point FFT */
+    S->twidCoefModifier = 32u;
+    S->bitRevFactor = 32u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[31];
+
+    break;
+
+  case 64u:
+    /*  Initializations of structure parameters for 64 point FFT */
+    S->twidCoefModifier = 64u;
+    S->bitRevFactor = 64u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[63];
+
+    break;
+
+  case 32u:
+    /*  Initializations of structure parameters for 32 point FFT */
+    S->twidCoefModifier = 128u;
+    S->bitRevFactor = 128u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[127];
+
+    break;
+
+  case 16u:
+    /*  Initializations of structure parameters for 16 point FFT */
+    S->twidCoefModifier = 256u;
+    S->bitRevFactor = 256u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[255];
+
+    break;
+
+  default:
+    /*  Reporting argument error if fftSize is not valid value */
+    status = ARM_MATH_ARGUMENT_ERROR;
+    break;
+  }
+
+  return (status);
+}
+
+/**    
+ * @} end of Radix2_CFFT_CIFFT group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_init_q31.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_init_q31.c
new file mode 100644
index 0000000000..94eeeb00ae
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_init_q31.c
@@ -0,0 +1,164 @@
+/* ----------------------------------------------------------------------   
+* Copyright (C) 2010 ARM Limited. All rights reserved.   
+*   
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*   
+* Project: 	    CMSIS DSP Library   
+* Title:	    arm_cfft_radix2_init_q31.c   
+*   
+* Description:	Radix-2 Decimation in Frequency Fixed-point CFFT & CIFFT Initialization function   
+*   
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* -------------------------------------------------------------------- */
+
+
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+/**   
+ * @ingroup groupTransforms   
+ */
+
+/**   
+ * @addtogroup Radix2_CFFT_CIFFT   
+ * @{   
+ */
+
+
+/**    
+*    
+* @brief  Initialization function for the Q31 CFFT/CIFFT.   
+* @param[in,out] *S             points to an instance of the Q31 CFFT/CIFFT structure.   
+* @param[in]     fftLen         length of the FFT.  
+* @param[in]     ifftFlag       flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.  
+* @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.  
+* @return        The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLen is not a supported value.  
+*   
+* \par Description:  
+* \par   
+* The parameter ifftFlag controls whether a forward or inverse transform is computed.   
+* Set(=1) ifftFlag for calculation of CIFFT otherwise  CFFT is calculated  
+* \par   
+* The parameter bitReverseFlag controls whether output is in normal order or bit reversed order.   
+* Set(=1) bitReverseFlag for output to be in normal order otherwise output is in bit reversed order.   
+* \par   
+* The parameter fftLen	Specifies length of CFFT/CIFFT process. Supported FFT Lengths are 16, 64, 256, 1024.   
+* \par   
+* This Function also initializes Twiddle factor table pointer and Bit reversal table pointer.   
+*/
+
+arm_status arm_cfft_radix2_init_q31(
+  arm_cfft_radix2_instance_q31 * S,
+  uint16_t fftLen,
+  uint8_t ifftFlag,
+  uint8_t bitReverseFlag)
+{
+  /*  Initialise the default arm status */
+  arm_status status = ARM_MATH_SUCCESS;
+
+  /*  Initialise the FFT length */
+  S->fftLen = fftLen;
+
+  /*  Initialise the Twiddle coefficient pointer */
+  S->pTwiddle = (q31_t *) twiddleCoefQ31;
+  /*  Initialise the Flag for selection of CFFT or CIFFT */
+  S->ifftFlag = ifftFlag;
+  /*  Initialise the Flag for calculation Bit reversal or not */
+  S->bitReverseFlag = bitReverseFlag;
+
+  /*  Initializations of Instance structure depending on the FFT length */
+  switch (S->fftLen)
+  {
+    /*  Initializations of structure parameters for 4096 point FFT */
+  case 4096u:
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 1u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 1u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) armBitRevTable;
+    break;
+
+    /*  Initializations of structure parameters for 2048 point FFT */
+  case 2048u:
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 2u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 2u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[1];
+    break;
+
+    /*  Initializations of structure parameters for 1024 point FFT */
+  case 1024u:
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 4u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 4u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[3];
+    break;
+
+    /*  Initializations of structure parameters for 512 point FFT */
+  case 512u:
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 8u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 8u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[7];
+    break;
+
+  case 256u:
+    /*  Initializations of structure parameters for 256 point FFT */
+    S->twidCoefModifier = 16u;
+    S->bitRevFactor = 16u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[15];
+    break;
+
+  case 128u:
+    /*  Initializations of structure parameters for 128 point FFT */
+    S->twidCoefModifier = 32u;
+    S->bitRevFactor = 32u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[31];
+    break;
+
+  case 64u:
+    /*  Initializations of structure parameters for 64 point FFT */
+    S->twidCoefModifier = 64u;
+    S->bitRevFactor = 64u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[63];
+    break;
+
+  case 32u:
+    /*  Initializations of structure parameters for 32 point FFT */
+    S->twidCoefModifier = 128u;
+    S->bitRevFactor = 128u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[127];
+    break;
+
+  case 16u:
+    /*  Initializations of structure parameters for 16 point FFT */
+    S->twidCoefModifier = 256u;
+    S->bitRevFactor = 256u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[255];
+    break;
+
+
+  default:
+    /*  Reporting argument error if fftSize is not valid value */
+    status = ARM_MATH_ARGUMENT_ERROR;
+    break;
+  }
+
+  return (status);
+}
+
+/**   
+ * @} end of Radix2_CFFT_CIFFT group   
+ */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_q15.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_q15.c
new file mode 100644
index 0000000000..c385091c7a
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_q15.c
@@ -0,0 +1,712 @@
+/* ----------------------------------------------------------------------   
+* Copyright (C) 2010 ARM Limited. All rights reserved.   
+*   
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*   
+* Project: 	    CMSIS DSP Library   
+* Title:	    arm_cfft_radix2_q15.c   
+*   
+* Description:	Radix-2 Decimation in Frequency CFFT & CIFFT Fixed point processing function   
+*   
+*   
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 0.0.3  2010/03/10    
+*    Initial version   
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**   
+ * @ingroup groupTransforms   
+ */
+
+/**   
+ * @defgroup Radix2_CFFT_CIFFT Radix-2 Complex FFT Functions   
+ *   
+ * \par   
+ * Complex Fast Fourier Transform(CFFT) and Complex Inverse Fast Fourier Transform(CIFFT) is an efficient algorithm to compute Discrete Fourier Transform(DFT) and Inverse Discrete Fourier Transform(IDFT).   
+ * Computational complexity of CFFT reduces drastically when compared to DFT.    
+ */
+
+
+/**   
+ * @addtogroup Radix2_CFFT_CIFFT   
+ * @{   
+ */
+
+/**   
+ * @details   
+ * @brief Processing function for the fixed-point CFFT/CIFFT.  
+ * @param[in]      *S    points to an instance of the fixed-point CFFT/CIFFT structure.  
+ * @param[in, out] *pSrc points to the complex data buffer of size 2*fftLen. Processing occurs in-place.  
+ * @return none.  
+ */
+
+void arm_cfft_radix2_q15(
+  const arm_cfft_radix2_instance_q15 * S,
+  q15_t * pSrc)
+{
+
+  if(S->ifftFlag == 1u)
+  {
+    arm_radix2_butterfly_inverse_q15(pSrc, S->fftLen,
+                                     S->pTwiddle, S->twidCoefModifier);
+  }
+  else
+  {
+    arm_radix2_butterfly_q15(pSrc, S->fftLen,
+                             S->pTwiddle, S->twidCoefModifier);
+  }
+
+  arm_bitreversal_q15(pSrc, S->fftLen, S->bitRevFactor, S->pBitRevTable);
+}
+
+/**   
+ * @} end of Radix2_CFFT_CIFFT group   
+ */
+
+void arm_radix2_butterfly_q15(
+  q15_t * pSrc,
+  uint32_t fftLen,
+  q15_t * pCoef,
+  uint16_t twidCoefModifier)
+{
+#ifndef ARM_MATH_CM0
+
+  int i, j, k, l;
+  int n1, n2, ia;
+  q15_t in;
+  q31_t T, S, R;
+  q31_t coeff, out1, out2;
+
+  //N = fftLen; 
+  n2 = fftLen;
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  // loop for groups 
+  for (i = 0; i < n2; i++)
+  {
+    coeff = _SIMD32_OFFSET(pCoef + (ia * 2u));
+
+    ia = ia + twidCoefModifier;
+
+    l = i + n2;
+
+    T = _SIMD32_OFFSET(pSrc + (2 * i));
+    in = ((int16_t) (T & 0xFFFF)) >> 2;
+    T = ((T >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    S = _SIMD32_OFFSET(pSrc + (2 * l));
+    in = ((int16_t) (S & 0xFFFF)) >> 2;
+    S = ((S >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    R = __QSUB16(T, S);
+
+    _SIMD32_OFFSET(pSrc + (2 * i)) = __SHADD16(T, S);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    out1 = __SMUAD(coeff, R) >> 16;
+    out2 = __SMUSDX(coeff, R);
+
+#else
+
+    out1 = __SMUSDX(R, coeff) >> 16u;
+    out2 = __SMUAD(coeff, R);
+
+#endif //     #ifndef ARM_MATH_BIG_ENDIAN
+
+    _SIMD32_OFFSET(pSrc + (2u * l)) =
+      (q31_t) ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+    coeff = _SIMD32_OFFSET(pCoef + (ia * 2u));
+
+    ia = ia + twidCoefModifier;
+
+    // loop for butterfly 
+    i++;
+    l++;
+
+    T = _SIMD32_OFFSET(pSrc + (2 * i));
+    in = ((int16_t) (T & 0xFFFF)) >> 2;
+    T = ((T >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    S = _SIMD32_OFFSET(pSrc + (2 * l));
+    in = ((int16_t) (S & 0xFFFF)) >> 2;
+    S = ((S >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    R = __QSUB16(T, S);
+
+    _SIMD32_OFFSET(pSrc + (2 * i)) = __SHADD16(T, S);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    out1 = __SMUAD(coeff, R) >> 16;
+    out2 = __SMUSDX(coeff, R);
+
+#else
+
+    out1 = __SMUSDX(R, coeff) >> 16u;
+    out2 = __SMUAD(coeff, R);
+
+#endif //     #ifndef ARM_MATH_BIG_ENDIAN
+
+    _SIMD32_OFFSET(pSrc + (2u * l)) =
+      (q31_t) ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+  }                             // groups loop end 
+
+  twidCoefModifier = twidCoefModifier << 1u;
+
+  // loop for stage 
+  for (k = fftLen / 2; k > 2; k = k >> 1)
+  {
+    n1 = n2;
+    n2 = n2 >> 1;
+    ia = 0;
+
+    // loop for groups 
+    for (j = 0; j < n2; j++)
+    {
+      coeff = _SIMD32_OFFSET(pCoef + (ia * 2u));
+
+      ia = ia + twidCoefModifier;
+
+      // loop for butterfly 
+      for (i = j; i < fftLen; i += n1)
+      {
+        l = i + n2;
+
+        T = _SIMD32_OFFSET(pSrc + (2 * i));
+
+        S = _SIMD32_OFFSET(pSrc + (2 * l));
+
+        R = __QSUB16(T, S);
+
+        _SIMD32_OFFSET(pSrc + (2 * i)) = __SHADD16(T, S);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        out1 = __SMUAD(coeff, R) >> 16;
+        out2 = __SMUSDX(coeff, R);
+
+#else
+
+        out1 = __SMUSDX(R, coeff) >> 16u;
+        out2 = __SMUAD(coeff, R);
+
+#endif //     #ifndef ARM_MATH_BIG_ENDIAN
+
+        _SIMD32_OFFSET(pSrc + (2u * l)) =
+          (q31_t) ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+        i += n1;
+
+        l = i + n2;
+
+        T = _SIMD32_OFFSET(pSrc + (2 * i));
+
+        S = _SIMD32_OFFSET(pSrc + (2 * l));
+
+        R = __QSUB16(T, S);
+
+        _SIMD32_OFFSET(pSrc + (2 * i)) = __SHADD16(T, S);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        out1 = __SMUAD(coeff, R) >> 16;
+        out2 = __SMUSDX(coeff, R);
+
+#else
+
+        out1 = __SMUSDX(R, coeff) >> 16u;
+        out2 = __SMUAD(coeff, R);
+
+#endif //     #ifndef ARM_MATH_BIG_ENDIAN
+
+        _SIMD32_OFFSET(pSrc + (2u * l)) =
+          (q31_t) ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+      }                         // butterfly loop end 
+
+    }                           // groups loop end 
+
+    twidCoefModifier = twidCoefModifier << 1u;
+  }                             // stages loop end 
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  coeff = _SIMD32_OFFSET(pCoef + (ia * 2u));
+
+  ia = ia + twidCoefModifier;
+
+  // loop for butterfly 
+  for (i = 0; i < fftLen; i += n1)
+  {
+    l = i + n2;
+
+    T = _SIMD32_OFFSET(pSrc + (2 * i));
+
+    S = _SIMD32_OFFSET(pSrc + (2 * l));
+
+    R = __QSUB16(T, S);
+
+    _SIMD32_OFFSET(pSrc + (2 * i)) = __QADD16(T, S);
+
+    _SIMD32_OFFSET(pSrc + (2u * l)) = R;
+
+    i += n1;
+    l = i + n2;
+
+    T = _SIMD32_OFFSET(pSrc + (2 * i));
+
+    S = _SIMD32_OFFSET(pSrc + (2 * l));
+
+    R = __QSUB16(T, S);
+
+    _SIMD32_OFFSET(pSrc + (2 * i)) = __QADD16(T, S);
+
+    _SIMD32_OFFSET(pSrc + (2u * l)) = R;
+
+  }                             // groups loop end 
+
+
+#else
+
+  int i, j, k, l;
+  int n1, n2, ia;
+  q15_t xt, yt, cosVal, sinVal;
+
+
+  //N = fftLen; 
+  n2 = fftLen;
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  // loop for groups 
+  for (j = 0; j < n2; j++)
+  {
+    cosVal = pCoef[ia * 2];
+    sinVal = pCoef[(ia * 2) + 1];
+    ia = ia + twidCoefModifier;
+
+    // loop for butterfly 
+    for (i = j; i < fftLen; i += n1)
+    {
+      l = i + n2;
+      xt = (pSrc[2 * i] >> 2u) - (pSrc[2 * l] >> 2u);
+      pSrc[2 * i] = ((pSrc[2 * i] >> 2u) + (pSrc[2 * l] >> 2u)) >> 1u;
+
+      yt = (pSrc[2 * i + 1] >> 2u) - (pSrc[2 * l + 1] >> 2u);
+      pSrc[2 * i + 1] =
+        ((pSrc[2 * l + 1] >> 2u) + (pSrc[2 * i + 1] >> 2u)) >> 1u;
+
+      pSrc[2u * l] = (((int16_t) (((q31_t) xt * cosVal) >> 16)) +
+                      ((int16_t) (((q31_t) yt * sinVal) >> 16)));
+
+      pSrc[2u * l + 1u] = (((int16_t) (((q31_t) yt * cosVal) >> 16)) -
+                           ((int16_t) (((q31_t) xt * sinVal) >> 16)));
+
+    }                           // butterfly loop end 
+
+  }                             // groups loop end 
+
+  twidCoefModifier = twidCoefModifier << 1u;
+
+  // loop for stage 
+  for (k = fftLen / 2; k > 2; k = k >> 1)
+  {
+    n1 = n2;
+    n2 = n2 >> 1;
+    ia = 0;
+
+    // loop for groups 
+    for (j = 0; j < n2; j++)
+    {
+      cosVal = pCoef[ia * 2];
+      sinVal = pCoef[(ia * 2) + 1];
+      ia = ia + twidCoefModifier;
+
+      // loop for butterfly 
+      for (i = j; i < fftLen; i += n1)
+      {
+        l = i + n2;
+        xt = pSrc[2 * i] - pSrc[2 * l];
+        pSrc[2 * i] = (pSrc[2 * i] + pSrc[2 * l]) >> 1u;
+
+        yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+        pSrc[2 * i + 1] = (pSrc[2 * l + 1] + pSrc[2 * i + 1]) >> 1u;
+
+        pSrc[2u * l] = (((int16_t) (((q31_t) xt * cosVal) >> 16)) +
+                        ((int16_t) (((q31_t) yt * sinVal) >> 16)));
+
+        pSrc[2u * l + 1u] = (((int16_t) (((q31_t) yt * cosVal) >> 16)) -
+                             ((int16_t) (((q31_t) xt * sinVal) >> 16)));
+
+      }                         // butterfly loop end 
+
+    }                           // groups loop end 
+
+    twidCoefModifier = twidCoefModifier << 1u;
+  }                             // stages loop end 
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  // loop for groups 
+  for (j = 0; j < n2; j++)
+  {
+    cosVal = pCoef[ia * 2];
+    sinVal = pCoef[(ia * 2) + 1];
+
+    ia = ia + twidCoefModifier;
+
+    // loop for butterfly 
+    for (i = j; i < fftLen; i += n1)
+    {
+      l = i + n2;
+      xt = pSrc[2 * i] - pSrc[2 * l];
+      pSrc[2 * i] = (pSrc[2 * i] + pSrc[2 * l]);
+
+      yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+      pSrc[2 * i + 1] = (pSrc[2 * l + 1] + pSrc[2 * i + 1]);
+
+      pSrc[2u * l] = xt;
+
+      pSrc[2u * l + 1u] = yt;
+
+    }                           // butterfly loop end 
+
+  }                             // groups loop end 
+
+  twidCoefModifier = twidCoefModifier << 1u;
+
+#endif //             #ifndef ARM_MATH_CM0
+
+}
+
+
+void arm_radix2_butterfly_inverse_q15(
+  q15_t * pSrc,
+  uint32_t fftLen,
+  q15_t * pCoef,
+  uint16_t twidCoefModifier)
+{
+#ifndef ARM_MATH_CM0
+
+  int i, j, k, l;
+  int n1, n2, ia;
+  q15_t in;
+  q31_t T, S, R;
+  q31_t coeff, out1, out2;
+
+  //N = fftLen; 
+  n2 = fftLen;
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  // loop for groups 
+  for (i = 0; i < n2; i++)
+  {
+    coeff = _SIMD32_OFFSET(pCoef + (ia * 2u));
+
+    ia = ia + twidCoefModifier;
+
+    l = i + n2;
+
+    T = _SIMD32_OFFSET(pSrc + (2 * i));
+    in = ((int16_t) (T & 0xFFFF)) >> 2;
+    T = ((T >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    S = _SIMD32_OFFSET(pSrc + (2 * l));
+    in = ((int16_t) (S & 0xFFFF)) >> 2;
+    S = ((S >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    R = __QSUB16(T, S);
+
+    _SIMD32_OFFSET(pSrc + (2 * i)) = __SHADD16(T, S);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    out1 = __SMUSD(coeff, R) >> 16;
+    out2 = __SMUADX(coeff, R);
+#else
+
+    out1 = __SMUADX(R, coeff) >> 16u;
+    out2 = __SMUSD(__QSUB(0, coeff), R);
+
+#endif //     #ifndef ARM_MATH_BIG_ENDIAN
+
+    _SIMD32_OFFSET(pSrc + (2u * l)) =
+      (q31_t) ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+    coeff = _SIMD32_OFFSET(pCoef + (ia * 2u));
+
+    ia = ia + twidCoefModifier;
+
+    // loop for butterfly 
+    i++;
+    l++;
+
+    T = _SIMD32_OFFSET(pSrc + (2 * i));
+    in = ((int16_t) (T & 0xFFFF)) >> 2;
+    T = ((T >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    S = _SIMD32_OFFSET(pSrc + (2 * l));
+    in = ((int16_t) (S & 0xFFFF)) >> 2;
+    S = ((S >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    R = __QSUB16(T, S);
+
+    _SIMD32_OFFSET(pSrc + (2 * i)) = __SHADD16(T, S);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    out1 = __SMUSD(coeff, R) >> 16;
+    out2 = __SMUADX(coeff, R);
+#else
+
+    out1 = __SMUADX(R, coeff) >> 16u;
+    out2 = __SMUSD(__QSUB(0, coeff), R);
+
+#endif //     #ifndef ARM_MATH_BIG_ENDIAN
+
+    _SIMD32_OFFSET(pSrc + (2u * l)) =
+      (q31_t) ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+  }                             // groups loop end 
+
+  twidCoefModifier = twidCoefModifier << 1u;
+
+  // loop for stage 
+  for (k = fftLen / 2; k > 2; k = k >> 1)
+  {
+    n1 = n2;
+    n2 = n2 >> 1;
+    ia = 0;
+
+    // loop for groups 
+    for (j = 0; j < n2; j++)
+    {
+      coeff = _SIMD32_OFFSET(pCoef + (ia * 2u));
+
+      ia = ia + twidCoefModifier;
+
+      // loop for butterfly 
+      for (i = j; i < fftLen; i += n1)
+      {
+        l = i + n2;
+
+        T = _SIMD32_OFFSET(pSrc + (2 * i));
+
+        S = _SIMD32_OFFSET(pSrc + (2 * l));
+
+        R = __QSUB16(T, S);
+
+        _SIMD32_OFFSET(pSrc + (2 * i)) = __SHADD16(T, S);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        out1 = __SMUSD(coeff, R) >> 16;
+        out2 = __SMUADX(coeff, R);
+
+#else
+
+        out1 = __SMUADX(R, coeff) >> 16u;
+        out2 = __SMUSD(__QSUB(0, coeff), R);
+
+#endif //     #ifndef ARM_MATH_BIG_ENDIAN
+
+        _SIMD32_OFFSET(pSrc + (2u * l)) =
+          (q31_t) ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+        i += n1;
+
+        l = i + n2;
+
+        T = _SIMD32_OFFSET(pSrc + (2 * i));
+
+        S = _SIMD32_OFFSET(pSrc + (2 * l));
+
+        R = __QSUB16(T, S);
+
+        _SIMD32_OFFSET(pSrc + (2 * i)) = __SHADD16(T, S);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        out1 = __SMUSD(coeff, R) >> 16;
+        out2 = __SMUADX(coeff, R);
+#else
+
+        out1 = __SMUADX(R, coeff) >> 16u;
+        out2 = __SMUSD(__QSUB(0, coeff), R);
+
+#endif //     #ifndef ARM_MATH_BIG_ENDIAN
+
+        _SIMD32_OFFSET(pSrc + (2u * l)) =
+          (q31_t) ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+      }                         // butterfly loop end 
+
+    }                           // groups loop end 
+
+    twidCoefModifier = twidCoefModifier << 1u;
+  }                             // stages loop end 
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  // loop for groups 
+  for (j = 0; j < n2; j++)
+  {
+    coeff = _SIMD32_OFFSET(pCoef + (ia * 2u));
+
+    ia = ia + twidCoefModifier;
+
+    // loop for butterfly 
+    for (i = j; i < fftLen; i += n1)
+    {
+      l = i + n2;
+
+      T = _SIMD32_OFFSET(pSrc + (2 * i));
+
+      S = _SIMD32_OFFSET(pSrc + (2 * l));
+
+      R = __QSUB16(T, S);
+
+      _SIMD32_OFFSET(pSrc + (2 * i)) = __QADD16(T, S);
+
+      _SIMD32_OFFSET(pSrc + (2u * l)) = R;
+
+    }                           // butterfly loop end 
+
+  }                             // groups loop end 
+
+  twidCoefModifier = twidCoefModifier << 1u;
+
+#else
+
+
+  int i, j, k, l;
+  int n1, n2, ia;
+  q15_t xt, yt, cosVal, sinVal;
+
+  //N = fftLen; 
+  n2 = fftLen;
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  // loop for groups 
+  for (j = 0; j < n2; j++)
+  {
+    cosVal = pCoef[ia * 2];
+    sinVal = pCoef[(ia * 2) + 1];
+    ia = ia + twidCoefModifier;
+
+    // loop for butterfly 
+    for (i = j; i < fftLen; i += n1)
+    {
+      l = i + n2;
+      xt = (pSrc[2 * i] >> 2u) - (pSrc[2 * l] >> 2u);
+      pSrc[2 * i] = ((pSrc[2 * i] >> 2u) + (pSrc[2 * l] >> 2u)) >> 1u;
+
+      yt = (pSrc[2 * i + 1] >> 2u) - (pSrc[2 * l + 1] >> 2u);
+      pSrc[2 * i + 1] =
+        ((pSrc[2 * l + 1] >> 2u) + (pSrc[2 * i + 1] >> 2u)) >> 1u;
+
+      pSrc[2u * l] = (((int16_t) (((q31_t) xt * cosVal) >> 16)) -
+                      ((int16_t) (((q31_t) yt * sinVal) >> 16)));
+
+      pSrc[2u * l + 1u] = (((int16_t) (((q31_t) yt * cosVal) >> 16)) +
+                           ((int16_t) (((q31_t) xt * sinVal) >> 16)));
+
+    }                           // butterfly loop end 
+
+  }                             // groups loop end 
+
+  twidCoefModifier = twidCoefModifier << 1u;
+
+  // loop for stage 
+  for (k = fftLen / 2; k > 2; k = k >> 1)
+  {
+    n1 = n2;
+    n2 = n2 >> 1;
+    ia = 0;
+
+    // loop for groups 
+    for (j = 0; j < n2; j++)
+    {
+      cosVal = pCoef[ia * 2];
+      sinVal = pCoef[(ia * 2) + 1];
+      ia = ia + twidCoefModifier;
+
+      // loop for butterfly 
+      for (i = j; i < fftLen; i += n1)
+      {
+        l = i + n2;
+        xt = pSrc[2 * i] - pSrc[2 * l];
+        pSrc[2 * i] = (pSrc[2 * i] + pSrc[2 * l]) >> 1u;
+
+        yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+        pSrc[2 * i + 1] = (pSrc[2 * l + 1] + pSrc[2 * i + 1]) >> 1u;
+
+        pSrc[2u * l] = (((int16_t) (((q31_t) xt * cosVal) >> 16)) -
+                        ((int16_t) (((q31_t) yt * sinVal) >> 16)));
+
+        pSrc[2u * l + 1u] = (((int16_t) (((q31_t) yt * cosVal) >> 16)) +
+                             ((int16_t) (((q31_t) xt * sinVal) >> 16)));
+
+      }                         // butterfly loop end 
+
+    }                           // groups loop end 
+
+    twidCoefModifier = twidCoefModifier << 1u;
+  }                             // stages loop end 
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  cosVal = pCoef[ia * 2];
+  sinVal = pCoef[(ia * 2) + 1];
+
+  ia = ia + twidCoefModifier;
+
+  // loop for butterfly 
+  for (i = 0; i < fftLen; i += n1)
+  {
+    l = i + n2;
+    xt = pSrc[2 * i] - pSrc[2 * l];
+    pSrc[2 * i] = (pSrc[2 * i] + pSrc[2 * l]);
+
+    yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+    pSrc[2 * i + 1] = (pSrc[2 * l + 1] + pSrc[2 * i + 1]);
+
+    pSrc[2u * l] = xt;
+
+    pSrc[2u * l + 1u] = yt;
+
+  }                             // groups loop end 
+
+
+#endif //             #ifndef ARM_MATH_CM0
+
+}
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_q31.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_q31.c
new file mode 100644
index 0000000000..5b950c39c6
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix2_q31.c
@@ -0,0 +1,310 @@
+/* ----------------------------------------------------------------------   
+* Copyright (C) 2010 ARM Limited. All rights reserved.   
+*   
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*   
+* Project: 	    CMSIS DSP Library   
+* Title:	    arm_cfft_radix2_q31.c   
+*   
+* Description:	Radix-2 Decimation in Frequency CFFT & CIFFT Fixed point processing function   
+*   
+*   
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 0.0.3  2010/03/10    
+*    Initial version   
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**   
+ * @ingroup groupTransforms   
+ */
+
+/**   
+ * @defgroup Radix2_CFFT_CIFFT Radix-2 Complex FFT Functions   
+ *   
+ * \par   
+ * Complex Fast Fourier Transform(CFFT) and Complex Inverse Fast Fourier Transform(CIFFT) is an efficient algorithm to compute Discrete Fourier Transform(DFT) and Inverse Discrete Fourier Transform(IDFT).   
+ * Computational complexity of CFFT reduces drastically when compared to DFT.    
+ */
+
+
+/**   
+ * @addtogroup Radix2_CFFT_CIFFT   
+ * @{   
+ */
+
+/**   
+ * @details   
+ * @brief Processing function for the fixed-point CFFT/CIFFT.  
+ * @param[in]      *S    points to an instance of the fixed-point CFFT/CIFFT structure.  
+ * @param[in, out] *pSrc points to the complex data buffer of size 2*fftLen. Processing occurs in-place.  
+ * @return none.  
+ */
+
+void arm_cfft_radix2_q31(
+  const arm_cfft_radix2_instance_q31 * S,
+  q31_t * pSrc)
+{
+
+  if(S->ifftFlag == 1u)
+  {
+    arm_radix2_butterfly_inverse_q31(pSrc, S->fftLen,
+                                     S->pTwiddle, S->twidCoefModifier);
+  }
+  else
+  {
+    arm_radix2_butterfly_q31(pSrc, S->fftLen,
+                             S->pTwiddle, S->twidCoefModifier);
+  }
+
+  arm_bitreversal_q31(pSrc, S->fftLen, S->bitRevFactor, S->pBitRevTable);
+}
+
+/**   
+ * @} end of Radix2_CFFT_CIFFT group   
+ */
+
+void arm_radix2_butterfly_q31(
+  q31_t * pSrc,
+  uint32_t fftLen,
+  q31_t * pCoef,
+  uint16_t twidCoefModifier)
+{
+
+  int i, j, k, l;
+  int n1, n2, ia;
+  q31_t xt, yt, cosVal, sinVal;
+
+  //N = fftLen; 
+  n2 = fftLen;
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  // loop for groups 
+  for (i = 0; i < n2; i++)
+  {
+    cosVal = pCoef[ia * 2];
+    sinVal = pCoef[(ia * 2) + 1];
+    ia = ia + twidCoefModifier;
+
+    l = i + n2;
+    xt = (pSrc[2 * i] >> 2u) - (pSrc[2 * l] >> 2u);
+    pSrc[2 * i] = ((pSrc[2 * i] >> 2u) + (pSrc[2 * l] >> 2u)) >> 1u;
+
+    yt = (pSrc[2 * i + 1] >> 2u) - (pSrc[2 * l + 1] >> 2u);
+    pSrc[2 * i + 1] =
+      ((pSrc[2 * l + 1] >> 2u) + (pSrc[2 * i + 1] >> 2u)) >> 1u;
+
+    pSrc[2u * l] = (((int32_t) (((q63_t) xt * cosVal) >> 32)) +
+                    ((int32_t) (((q63_t) yt * sinVal) >> 32)));
+
+    pSrc[2u * l + 1u] = (((int32_t) (((q63_t) yt * cosVal) >> 32)) -
+                         ((int32_t) (((q63_t) xt * sinVal) >> 32)));
+
+  }                             // groups loop end 
+
+  twidCoefModifier = twidCoefModifier << 1u;
+
+  // loop for stage 
+  for (k = fftLen / 2; k > 2; k = k >> 1)
+  {
+    n1 = n2;
+    n2 = n2 >> 1;
+    ia = 0;
+
+    // loop for groups 
+    for (j = 0; j < n2; j++)
+    {
+      cosVal = pCoef[ia * 2];
+      sinVal = pCoef[(ia * 2) + 1];
+      ia = ia + twidCoefModifier;
+
+      // loop for butterfly 
+      for (i = j; i < fftLen; i += n1)
+      {
+        l = i + n2;
+        xt = pSrc[2 * i] - pSrc[2 * l];
+        pSrc[2 * i] = (pSrc[2 * i] + pSrc[2 * l]) >> 1u;
+
+        yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+        pSrc[2 * i + 1] = (pSrc[2 * l + 1] + pSrc[2 * i + 1]) >> 1u;
+
+        pSrc[2u * l] = (((int32_t) (((q63_t) xt * cosVal) >> 32)) +
+                        ((int32_t) (((q63_t) yt * sinVal) >> 32)));
+
+        pSrc[2u * l + 1u] = (((int32_t) (((q63_t) yt * cosVal) >> 32)) -
+                             ((int32_t) (((q63_t) xt * sinVal) >> 32)));
+
+      }                         // butterfly loop end 
+
+    }                           // groups loop end 
+
+    twidCoefModifier = twidCoefModifier << 1u;
+  }                             // stages loop end 
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  cosVal = pCoef[ia * 2];
+  sinVal = pCoef[(ia * 2) + 1];
+  ia = ia + twidCoefModifier;
+
+  // loop for butterfly 
+  for (i = 0; i < fftLen; i += n1)
+  {
+    l = i + n2;
+    xt = pSrc[2 * i] - pSrc[2 * l];
+    pSrc[2 * i] = (pSrc[2 * i] + pSrc[2 * l]);
+
+    yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+    pSrc[2 * i + 1] = (pSrc[2 * l + 1] + pSrc[2 * i + 1]);
+
+    pSrc[2u * l] = xt;
+
+    pSrc[2u * l + 1u] = yt;
+
+    i += n1;
+    l = i + n2;
+
+    xt = pSrc[2 * i] - pSrc[2 * l];
+    pSrc[2 * i] = (pSrc[2 * i] + pSrc[2 * l]);
+
+    yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+    pSrc[2 * i + 1] = (pSrc[2 * l + 1] + pSrc[2 * i + 1]);
+
+    pSrc[2u * l] = xt;
+
+    pSrc[2u * l + 1u] = yt;
+
+  }                             // butterfly loop end 
+
+}
+
+
+void arm_radix2_butterfly_inverse_q31(
+  q31_t * pSrc,
+  uint32_t fftLen,
+  q31_t * pCoef,
+  uint16_t twidCoefModifier)
+{
+
+  int i, j, k, l;
+  int n1, n2, ia;
+  q31_t xt, yt, cosVal, sinVal;
+
+  //N = fftLen; 
+  n2 = fftLen;
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  // loop for groups 
+  for (i = 0; i < n2; i++)
+  {
+    cosVal = pCoef[ia * 2];
+    sinVal = pCoef[(ia * 2) + 1];
+    ia = ia + twidCoefModifier;
+
+    l = i + n2;
+    xt = (pSrc[2 * i] >> 2u) - (pSrc[2 * l] >> 2u);
+    pSrc[2 * i] = ((pSrc[2 * i] >> 2u) + (pSrc[2 * l] >> 2u)) >> 1u;
+
+    yt = (pSrc[2 * i + 1] >> 2u) - (pSrc[2 * l + 1] >> 2u);
+    pSrc[2 * i + 1] =
+      ((pSrc[2 * l + 1] >> 2u) + (pSrc[2 * i + 1] >> 2u)) >> 1u;
+
+    pSrc[2u * l] = (((int32_t) (((q63_t) xt * cosVal) >> 32)) -
+                    ((int32_t) (((q63_t) yt * sinVal) >> 32)));
+
+    pSrc[2u * l + 1u] = (((int32_t) (((q63_t) yt * cosVal) >> 32)) +
+                         ((int32_t) (((q63_t) xt * sinVal) >> 32)));
+
+  }                             // groups loop end 
+
+  twidCoefModifier = twidCoefModifier << 1u;
+
+  // loop for stage 
+  for (k = fftLen / 2; k > 2; k = k >> 1)
+  {
+    n1 = n2;
+    n2 = n2 >> 1;
+    ia = 0;
+
+    // loop for groups 
+    for (j = 0; j < n2; j++)
+    {
+      cosVal = pCoef[ia * 2];
+      sinVal = pCoef[(ia * 2) + 1];
+      ia = ia + twidCoefModifier;
+
+      // loop for butterfly 
+      for (i = j; i < fftLen; i += n1)
+      {
+        l = i + n2;
+        xt = pSrc[2 * i] - pSrc[2 * l];
+        pSrc[2 * i] = (pSrc[2 * i] + pSrc[2 * l]) >> 1u;
+
+        yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+        pSrc[2 * i + 1] = (pSrc[2 * l + 1] + pSrc[2 * i + 1]) >> 1u;
+
+        pSrc[2u * l] = (((int32_t) (((q63_t) xt * cosVal) >> 32)) -
+                        ((int32_t) (((q63_t) yt * sinVal) >> 32)));
+
+        pSrc[2u * l + 1u] = (((int32_t) (((q63_t) yt * cosVal) >> 32)) +
+                             ((int32_t) (((q63_t) xt * sinVal) >> 32)));
+
+      }                         // butterfly loop end 
+
+    }                           // groups loop end 
+
+    twidCoefModifier = twidCoefModifier << 1u;
+  }                             // stages loop end 
+
+  n1 = n2;
+  n2 = n2 >> 1;
+  ia = 0;
+
+  cosVal = pCoef[ia * 2];
+  sinVal = pCoef[(ia * 2) + 1];
+  ia = ia + twidCoefModifier;
+
+  // loop for butterfly 
+  for (i = 0; i < fftLen; i += n1)
+  {
+    l = i + n2;
+    xt = pSrc[2 * i] - pSrc[2 * l];
+    pSrc[2 * i] = (pSrc[2 * i] + pSrc[2 * l]);
+
+    yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+    pSrc[2 * i + 1] = (pSrc[2 * l + 1] + pSrc[2 * i + 1]);
+
+    pSrc[2u * l] = xt;
+
+    pSrc[2u * l + 1u] = yt;
+
+    i += n1;
+    l = i + n2;
+
+    xt = pSrc[2 * i] - pSrc[2 * l];
+    pSrc[2 * i] = (pSrc[2 * i] + pSrc[2 * l]);
+
+    yt = pSrc[2 * i + 1] - pSrc[2 * l + 1];
+    pSrc[2 * i + 1] = (pSrc[2 * l + 1] + pSrc[2 * i + 1]);
+
+    pSrc[2u * l] = xt;
+
+    pSrc[2u * l + 1u] = yt;
+
+  }                             // butterfly loop end 
+
+}
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_f32.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_f32.c
new file mode 100644
index 0000000000..d1fb3196e3
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_f32.c
@@ -0,0 +1,1236 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_cfft_radix4_f32.c    
+*    
+* Description:	Radix-4 Decimation in Frequency CFFT & CIFFT Floating point processing function    
+*    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+/**    
+ * @defgroup Radix4_CFFT_CIFFT Radix-4 Complex FFT Functions    
+ *    
+ * \par    
+ * Complex Fast Fourier Transform(CFFT) and Complex Inverse Fast Fourier Transform(CIFFT) is an efficient algorithm to compute Discrete Fourier Transform(DFT) and Inverse Discrete Fourier Transform(IDFT).    
+ * Computational complexity of CFFT reduces drastically when compared to DFT.    
+ * \par    
+ * This set of functions implements CFFT/CIFFT    
+ * for Q15, Q31, and floating-point data types.  The functions operates on in-place buffer which uses same buffer for input and output.    
+ * Complex input is stored in input buffer in an interleaved fashion.    
+ *    
+ * \par    
+ * The functions operate on blocks of input and output data and each call to the function processes    
+ * 2*fftLen samples through the transform.  pSrc  points to In-place arrays containing 2*fftLen values.    
+ * \par   
+ * The pSrc points to the array of in-place buffer of size 2*fftLen and inputs and outputs are stored in an interleaved fashion as shown below.    
+ * 
 {real[0], imag[0], real[1], imag[1],..} 
    
+ *    
+ * \par Lengths supported by the transform:   
+ * \par    
+ * Internally, the function utilize a radix-4 decimation in frequency(DIF) algorithm    
+ * and the size of the FFT supported are of the lengths [16, 64, 256, 1024].   
+ *     
+ *    
+ * \par Algorithm:    
+ *    
+ * Complex Fast Fourier Transform:    
+ * \par     
+ * Input real and imaginary data:    
+ * 
    
+ * x(n) = xa + j * ya    
+ * x(n+N/4 ) = xb + j * yb    
+ * x(n+N/2 ) = xc + j * yc    
+ * x(n+3N 4) = xd + j * yd    
+ * 
    
+ * where N is length of FFT    
+ * \par    
+ * Output real and imaginary data:    
+ * 
    
+ * X(4r) = xa'+ j * ya'    
+ * X(4r+1) = xb'+ j * yb'    
+ * X(4r+2) = xc'+ j * yc'    
+ * X(4r+3) = xd'+ j * yd'    
+ * 
    
+ * \par    
+ * Twiddle factors for radix-4 FFT:    
+ * 
    
+ * Wn = co1 + j * (- si1)    
+ * W2n = co2 + j * (- si2)    
+ * W3n = co3 + j * (- si3)    
+ * 
    
+ *    
+ * \par    
+ * \image html CFFT.gif "Radix-4 Decimation-in Frequency Complex Fast Fourier Transform"    
+ *    
+ * \par    
+ * Output from Radix-4 CFFT Results in Digit reversal order. Interchange middle two branches of every butterfly results in Bit reversed output.    
+ * \par    
+ *  Butterfly CFFT equations:    
+ * 
    
+ * xa' = xa + xb + xc + xd    
+ * ya' = ya + yb + yc + yd    
+ * xc' = (xa+yb-xc-yd)* co1 + (ya-xb-yc+xd)* (si1)    
+ * yc' = (ya-xb-yc+xd)* co1 - (xa+yb-xc-yd)* (si1)    
+ * xb' = (xa-xb+xc-xd)* co2 + (ya-yb+yc-yd)* (si2)    
+ * yb' = (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2)    
+ * xd' = (xa-yb-xc+yd)* co3 + (ya+xb-yc-xd)* (si3)    
+ * yd' = (ya+xb-yc-xd)* co3 - (xa-yb-xc+yd)* (si3)    
+ * 
    
+ *    
+ *    
+ * Complex Inverse Fast Fourier Transform:    
+ * \par    
+ * CIFFT uses same twiddle factor table as CFFT with modifications in the design equation as shown below.    
+ *    
+ * \par    
+ *  Modified Butterfly CIFFT equations:    
+ * 
    
+ * xa' = xa + xb + xc + xd    
+ * ya' = ya + yb + yc + yd    
+ * xc' = (xa-yb-xc+yd)* co1 - (ya+xb-yc-xd)* (si1)    
+ * yc' = (ya+xb-yc-xd)* co1 + (xa-yb-xc+yd)* (si1)    
+ * xb' = (xa-xb+xc-xd)* co2 - (ya-yb+yc-yd)* (si2)    
+ * yb' = (ya-yb+yc-yd)* co2 + (xa-xb+xc-xd)* (si2)    
+ * xd' = (xa+yb-xc-yd)* co3 - (ya-xb-yc+xd)* (si3)    
+ * yd' = (ya-xb-yc+xd)* co3 + (xa+yb-xc-yd)* (si3)    
+ * 
    
+ *    
+ * \par Instance Structure    
+ * A separate instance structure must be defined for each Instance but the twiddle factors and bit reversal tables can be reused.    
+ * There are separate instance structure declarations for each of the 3 supported data types.    
+ *    
+ * \par Initialization Functions    
+ * There is also an associated initialization function for each data type.    
+ * The initialization function performs the following operations:    
+ * - Sets the values of the internal structure fields.    
+ * - Initializes twiddle factor table and bit reversal table pointers    
+ * \par    
+ * Use of the initialization function is optional.    
+ * However, if the initialization function is used, then the instance structure cannot be placed into a const data section.    
+ * To place an instance structure into a const data section, the instance structure must be manually initialized.    
+ * Manually initialize the instance structure as follows:    
+ * 
    
+ *arm_cfft_radix4_instance_f32 S = {fftLen, ifftFlag, bitReverseFlag, pTwiddle, pBitRevTable, twidCoefModifier, bitRevFactor, onebyfftLen};    
+ *arm_cfft_radix4_instance_q31 S = {fftLen, ifftFlag, bitReverseFlag, pTwiddle, pBitRevTable, twidCoefModifier, bitRevFactor};    
+ *arm_cfft_radix4_instance_q15 S = {fftLen, ifftFlag, bitReverseFlag, pTwiddle, pBitRevTable, twidCoefModifier, bitRevFactor};    
+ * 
    
+ * \par    
+ * where fftLen length of CFFT/CIFFT; ifftFlag Flag for selection of CFFT or CIFFT(Set ifftFlag to calculate CIFFT otherwise calculates CFFT);    
+ * bitReverseFlag Flag for selection of output order(Set bitReverseFlag to output in normal order otherwise output in bit reversed order);     
+ * pTwiddlepoints to array of twiddle coefficients; pBitRevTable points to the array of bit reversal table.    
+ * twidCoefModifier modifier for twiddle factor table which supports all FFT lengths with same table;     
+ * pBitRevTable modifier for bit reversal table which supports all FFT lengths with same table.    
+ * onebyfftLen value of 1/fftLen to calculate CIFFT;    
+ *   
+ * \par Fixed-Point Behavior    
+ * Care must be taken when using the fixed-point versions of the CFFT/CIFFT function.    
+ * Refer to the function specific documentation below for usage guidelines.    
+ */
+
+
+/**    
+ * @addtogroup Radix4_CFFT_CIFFT    
+ * @{    
+ */
+
+/**    
+ * @details    
+ * @brief Processing function for the floating-point Radix-4 CFFT/CIFFT.   
+ * @param[in]      *S    points to an instance of the floating-point Radix-4 CFFT/CIFFT structure.   
+ * @param[in, out] *pSrc points to the complex data buffer of size 2*fftLen. Processing occurs in-place.   
+ * @return none.   
+ */
+
+void arm_cfft_radix4_f32(
+  const arm_cfft_radix4_instance_f32 * S,
+  float32_t * pSrc)
+{
+
+  if(S->ifftFlag == 1u)
+  {
+    /*  Complex IFFT radix-4  */
+    arm_radix4_butterfly_inverse_f32(pSrc, S->fftLen, S->pTwiddle,
+                                     S->twidCoefModifier, S->onebyfftLen);
+  }
+  else
+  {
+    /*  Complex FFT radix-4  */
+    arm_radix4_butterfly_f32(pSrc, S->fftLen, S->pTwiddle,
+                             S->twidCoefModifier);
+  }
+
+  if(S->bitReverseFlag == 1u)
+  {
+    /*  Bit Reversal */
+    arm_bitreversal_f32(pSrc, S->fftLen, S->bitRevFactor, S->pBitRevTable);
+  }
+
+}
+
+
+/**    
+ * @} end of Radix4_CFFT_CIFFT group    
+ */
+
+
+/* ----------------------------------------------------------------------    
+** Internal helper function used by the FFTs    
+** ------------------------------------------------------------------- */
+
+/*    
+ * @brief  Core function for the floating-point CFFT butterfly process.   
+ * @param[in, out] *pSrc            points to the in-place buffer of floating-point data type.   
+ * @param[in]      fftLen           length of the FFT.   
+ * @param[in]      *pCoef           points to the twiddle coefficient buffer.   
+ * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.   
+ * @return none.   
+ */
+
+void arm_radix4_butterfly_f32(
+  float32_t * pSrc,
+  uint16_t fftLen,
+  float32_t * pCoef,
+  uint16_t twidCoefModifier)
+{
+
+  float32_t co1, co2, co3, si1, si2, si3;
+  uint32_t ia1, ia2, ia3;
+  uint32_t i0, i1, i2, i3;
+  uint32_t n1, n2, j, k;
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  float32_t xaIn, yaIn, xbIn, ybIn, xcIn, ycIn, xdIn, ydIn;
+  float32_t Xaplusc, Xbplusd, Yaplusc, Ybplusd, Xaminusc, Xbminusd, Yaminusc,
+    Ybminusd;
+  float32_t Xb12C_out, Yb12C_out, Xc12C_out, Yc12C_out, Xd12C_out, Yd12C_out;
+  float32_t Xb12_out, Yb12_out, Xc12_out, Yc12_out, Xd12_out, Yd12_out;
+  float32_t *ptr1;
+
+  /*  Initializations for the first stage */
+  n2 = fftLen;
+  n1 = n2;
+
+  /* n2 = fftLen/4 */
+  n2 >>= 2u;
+  i0 = 0u;
+  ia1 = 0u;
+
+  j = n2;
+
+  /*  Calculation of first stage */
+  do
+  {
+    /*  index calculation for the input as, */
+    /*  pSrc[i0 + 0], pSrc[i0 + fftLen/4], pSrc[i0 + fftLen/2], pSrc[i0 + 3fftLen/4] */
+    i1 = i0 + n2;
+    i2 = i1 + n2;
+    i3 = i2 + n2;
+
+    xaIn = pSrc[(2u * i0)];
+    yaIn = pSrc[(2u * i0) + 1u];
+
+    xcIn = pSrc[(2u * i2)];
+    ycIn = pSrc[(2u * i2) + 1u];
+
+    xbIn = pSrc[(2u * i1)];
+    ybIn = pSrc[(2u * i1) + 1u];
+
+    xdIn = pSrc[(2u * i3)];
+    ydIn = pSrc[(2u * i3) + 1u];
+
+    /* xa + xc */
+    Xaplusc = xaIn + xcIn;
+    /* xb + xd */
+    Xbplusd = xbIn + xdIn;
+    /* ya + yc */
+    Yaplusc = yaIn + ycIn;
+    /* yb + yd */
+    Ybplusd = ybIn + ydIn;
+
+    /*  index calculation for the coefficients */
+    ia2 = ia1 + ia1;
+    co2 = pCoef[ia2 * 2u];
+    si2 = pCoef[(ia2 * 2u) + 1u];
+
+    /* xa - xc */
+    Xaminusc = xaIn - xcIn;
+    /* xb - xd */
+    Xbminusd = xbIn - xdIn;
+    /* ya - yc */
+    Yaminusc = yaIn - ycIn;
+    /* yb + yd */
+    Ybminusd = ybIn - ydIn;
+
+    /* xa' = xa + xb + xc + xd */
+    pSrc[(2u * i0)] = Xaplusc + Xbplusd;
+    /* ya' = ya + yb + yc + yd */
+    pSrc[(2u * i0) + 1u] = Yaplusc + Ybplusd;
+
+    /* (xa - xc) + (yb - yd) */
+    Xb12C_out = (Xaminusc + Ybminusd);
+    /* (ya - yc) + (xb - xd) */
+    Yb12C_out = (Yaminusc - Xbminusd);
+    /* (xa + xc) - (xb + xd) */
+    Xc12C_out = (Xaplusc - Xbplusd);
+    /* (ya + yc) - (yb + yd) */
+    Yc12C_out = (Yaplusc - Ybplusd);
+    /* (xa - xc) - (yb - yd) */
+    Xd12C_out = (Xaminusc - Ybminusd);
+    /* (ya - yc) + (xb - xd) */
+    Yd12C_out = (Xbminusd + Yaminusc);
+
+    co1 = pCoef[ia1 * 2u];
+    si1 = pCoef[(ia1 * 2u) + 1u];
+
+    /*  index calculation for the coefficients */
+    ia3 = ia2 + ia1;
+    co3 = pCoef[ia3 * 2u];
+    si3 = pCoef[(ia3 * 2u) + 1u];
+
+    Xb12_out = Xb12C_out * co1;
+    Yb12_out = Yb12C_out * co1;
+    Xc12_out = Xc12C_out * co2;
+    Yc12_out = Yc12C_out * co2;
+    Xd12_out = Xd12C_out * co3;
+    Yd12_out = Yd12C_out * co3;
+
+    /* xb' = (xa+yb-xc-yd)co1 + (ya-xb-yc+xd)(si1) */
+    Xb12_out += Yb12C_out * si1;
+    /* yb' = (ya-xb-yc+xd)co1 - (xa+yb-xc-yd)(si1) */
+    Yb12_out -= Xb12C_out * si1;
+    /* xc' = (xa-xb+xc-xd)co2 + (ya-yb+yc-yd)(si2) */
+    Xc12_out += Yc12C_out * si2;
+    /* yc' = (ya-yb+yc-yd)co2 - (xa-xb+xc-xd)(si2) */
+    Yc12_out -= Xc12C_out * si2;
+    /* xd' = (xa-yb-xc+yd)co3 + (ya+xb-yc-xd)(si3) */
+    Xd12_out += Yd12C_out * si3;
+    /* yd' = (ya+xb-yc-xd)co3 - (xa-yb-xc+yd)(si3) */
+    Yd12_out -= Xd12C_out * si3;
+
+
+    /* xc' = (xa-xb+xc-xd)co2 + (ya-yb+yc-yd)(si2) */
+    pSrc[2u * i1] = Xc12_out;
+
+    /* yc' = (ya-yb+yc-yd)co2 - (xa-xb+xc-xd)(si2) */
+    pSrc[(2u * i1) + 1u] = Yc12_out;
+
+    /* xb' = (xa+yb-xc-yd)co1 + (ya-xb-yc+xd)(si1) */
+    pSrc[2u * i2] = Xb12_out;
+
+    /* yb' = (ya-xb-yc+xd)co1 - (xa+yb-xc-yd)(si1) */
+    pSrc[(2u * i2) + 1u] = Yb12_out;
+
+    /* xd' = (xa-yb-xc+yd)co3 + (ya+xb-yc-xd)(si3) */
+    pSrc[2u * i3] = Xd12_out;
+
+    /* yd' = (ya+xb-yc-xd)co3 - (xa-yb-xc+yd)(si3) */
+    pSrc[(2u * i3) + 1u] = Yd12_out;
+
+    /*  Twiddle coefficients index modifier */
+    ia1 = ia1 + twidCoefModifier;
+
+    /*  Updating input index */
+    i0 = i0 + 1u;
+
+  }
+  while(--j);
+
+  twidCoefModifier <<= 2u;
+
+  /*  Calculation of second stage to excluding last stage */
+  for (k = fftLen / 4; k > 4u; k >>= 2u)
+  {
+    /*  Initializations for the first stage */
+    n1 = n2;
+    n2 >>= 2u;
+    ia1 = 0u;
+
+    /*  Calculation of first stage */
+    for (j = 0u; j <= (n2 - 1u); j++)
+    {
+      /*  index calculation for the coefficients */
+      ia2 = ia1 + ia1;
+      ia3 = ia2 + ia1;
+      co1 = pCoef[ia1 * 2u];
+      si1 = pCoef[(ia1 * 2u) + 1u];
+      co2 = pCoef[ia2 * 2u];
+      si2 = pCoef[(ia2 * 2u) + 1u];
+      co3 = pCoef[ia3 * 2u];
+      si3 = pCoef[(ia3 * 2u) + 1u];
+
+      /*  Twiddle coefficients index modifier */
+      ia1 = ia1 + twidCoefModifier;
+
+      for (i0 = j; i0 < fftLen; i0 += n1)
+      {
+        /*  index calculation for the input as, */
+        /*  pSrc[i0 + 0], pSrc[i0 + fftLen/4], pSrc[i0 + fftLen/2], pSrc[i0 + 3fftLen/4] */
+        i1 = i0 + n2;
+        i2 = i1 + n2;
+        i3 = i2 + n2;
+
+        xaIn = pSrc[(2u * i0)];
+        yaIn = pSrc[(2u * i0) + 1u];
+
+        xbIn = pSrc[(2u * i1)];
+        ybIn = pSrc[(2u * i1) + 1u];
+
+        xcIn = pSrc[(2u * i2)];
+        ycIn = pSrc[(2u * i2) + 1u];
+
+        xdIn = pSrc[(2u * i3)];
+        ydIn = pSrc[(2u * i3) + 1u];
+
+        /* xa - xc */
+        Xaminusc = xaIn - xcIn;
+        /* (xb - xd) */
+        Xbminusd = xbIn - xdIn;
+        /* ya - yc */
+        Yaminusc = yaIn - ycIn;
+        /* (yb - yd) */
+        Ybminusd = ybIn - ydIn;
+
+        /* xa + xc */
+        Xaplusc = xaIn + xcIn;
+        /* xb + xd */
+        Xbplusd = xbIn + xdIn;
+        /* ya + yc */
+        Yaplusc = yaIn + ycIn;
+        /* yb + yd */
+        Ybplusd = ybIn + ydIn;
+
+        /* (xa - xc) + (yb - yd) */
+        Xb12C_out = (Xaminusc + Ybminusd);
+        /* (ya - yc) -  (xb - xd) */
+        Yb12C_out = (Yaminusc - Xbminusd);
+        /* xa + xc -(xb + xd) */
+        Xc12C_out = (Xaplusc - Xbplusd);
+        /* (ya + yc) - (yb + yd) */
+        Yc12C_out = (Yaplusc - Ybplusd);
+        /* (xa - xc) - (yb - yd) */
+        Xd12C_out = (Xaminusc - Ybminusd);
+        /* (ya - yc) +  (xb - xd) */
+        Yd12C_out = (Xbminusd + Yaminusc);
+
+        pSrc[(2u * i0)] = Xaplusc + Xbplusd;
+        pSrc[(2u * i0) + 1u] = Yaplusc + Ybplusd;
+
+        Xb12_out = Xb12C_out * co1;
+        Yb12_out = Yb12C_out * co1;
+        Xc12_out = Xc12C_out * co2;
+        Yc12_out = Yc12C_out * co2;
+        Xd12_out = Xd12C_out * co3;
+        Yd12_out = Yd12C_out * co3;
+
+        /* xb' = (xa+yb-xc-yd)co1 + (ya-xb-yc+xd)(si1) */
+        Xb12_out += Yb12C_out * si1;
+        /* yb' = (ya-xb-yc+xd)co1 - (xa+yb-xc-yd)(si1) */
+        Yb12_out -= Xb12C_out * si1;
+        /* xc' = (xa-xb+xc-xd)co2 + (ya-yb+yc-yd)(si2) */
+        Xc12_out += Yc12C_out * si2;
+        /* yc' = (ya-yb+yc-yd)co2 - (xa-xb+xc-xd)(si2) */
+        Yc12_out -= Xc12C_out * si2;
+        /* xd' = (xa-yb-xc+yd)co3 + (ya+xb-yc-xd)(si3) */
+        Xd12_out += Yd12C_out * si3;
+        /* yd' = (ya+xb-yc-xd)co3 - (xa-yb-xc+yd)(si3) */
+        Yd12_out -= Xd12C_out * si3;
+
+        /* xc' = (xa-xb+xc-xd)co2 + (ya-yb+yc-yd)(si2) */
+        pSrc[2u * i1] = Xc12_out;
+
+        /* yc' = (ya-yb+yc-yd)co2 - (xa-xb+xc-xd)(si2) */
+        pSrc[(2u * i1) + 1u] = Yc12_out;
+
+        /* xb' = (xa+yb-xc-yd)co1 + (ya-xb-yc+xd)(si1) */
+        pSrc[2u * i2] = Xb12_out;
+
+        /* yb' = (ya-xb-yc+xd)co1 - (xa+yb-xc-yd)(si1) */
+        pSrc[(2u * i2) + 1u] = Yb12_out;
+
+        /* xd' = (xa-yb-xc+yd)co3 + (ya+xb-yc-xd)(si3) */
+        pSrc[2u * i3] = Xd12_out;
+
+        /* yd' = (ya+xb-yc-xd)co3 - (xa-yb-xc+yd)(si3) */
+        pSrc[(2u * i3) + 1u] = Yd12_out;
+
+      }
+    }
+    twidCoefModifier <<= 2u;
+  }
+
+  j = fftLen >> 2;
+  ptr1 = &pSrc[0];
+
+  /*  Calculations of last stage */
+  do
+  {
+
+    xaIn = ptr1[0];
+    xcIn = ptr1[4];
+    yaIn = ptr1[1];
+    ycIn = ptr1[5];
+
+    /* xa + xc */
+    Xaplusc = xaIn + xcIn;
+
+    xbIn = ptr1[2];
+
+    /* xa - xc */
+    Xaminusc = xaIn - xcIn;
+
+    xdIn = ptr1[6];
+
+    /* ya + yc */
+    Yaplusc = yaIn + ycIn;
+
+    ybIn = ptr1[3];
+
+    /* ya - yc */
+    Yaminusc = yaIn - ycIn;
+
+    ydIn = ptr1[7];
+
+    /* xb + xd */
+    Xbplusd = xbIn + xdIn;
+
+    /* yb + yd */
+    Ybplusd = ybIn + ydIn;
+
+    /* xa' = xa + xb + xc + xd */
+    ptr1[0] = (Xaplusc + Xbplusd);
+
+    /* (xb-xd) */
+    Xbminusd = xbIn - xdIn;
+
+    /* ya' = ya + yb + yc + yd */
+    ptr1[1] = (Yaplusc + Ybplusd);
+
+    /* (yb-yd) */
+    Ybminusd = ybIn - ydIn;
+
+    /* xc' = (xa-xb+xc-xd) */
+    ptr1[2] = (Xaplusc - Xbplusd);
+    /* yc' = (ya-yb+yc-yd) */
+    ptr1[3] = (Yaplusc - Ybplusd);
+    /* xb' = (xa+yb-xc-yd) */
+    ptr1[4] = (Xaminusc + Ybminusd);
+    /* yb' = (ya-xb-yc+xd) */
+    ptr1[5] = (Yaminusc - Xbminusd);
+    /* xd' = (xa-yb-xc+yd)) */
+    ptr1[6] = (Xaminusc - Ybminusd);
+    /* yd' = (ya+xb-yc-xd) */
+    ptr1[7] = (Xbminusd + Yaminusc);
+
+    /* increment pointer by 8 */
+    ptr1 = ptr1 + 8u;
+
+  } while(--j);
+
+#else
+
+  float32_t t1, t2, r1, r2, s1, s2;
+
+  /* Run the below code for Cortex-M0 */
+
+  /*  Initializations for the fft calculation */
+  n2 = fftLen;
+  n1 = n2;
+  for (k = fftLen; k > 1u; k >>= 2u)
+  {
+    /*  Initializations for the fft calculation */
+    n1 = n2;
+    n2 >>= 2u;
+    ia1 = 0u;
+
+    /*  FFT Calculation */
+    for (j = 0u; j <= (n2 - 1u); j++)
+    {
+      /*  index calculation for the coefficients */
+      ia2 = ia1 + ia1;
+      ia3 = ia2 + ia1;
+      co1 = pCoef[ia1 * 2u];
+      si1 = pCoef[(ia1 * 2u) + 1u];
+      co2 = pCoef[ia2 * 2u];
+      si2 = pCoef[(ia2 * 2u) + 1u];
+      co3 = pCoef[ia3 * 2u];
+      si3 = pCoef[(ia3 * 2u) + 1u];
+
+      /*  Twiddle coefficients index modifier */
+      ia1 = ia1 + twidCoefModifier;
+
+      for (i0 = j; i0 < fftLen; i0 += n1)
+      {
+        /*  index calculation for the input as, */
+        /*  pSrc[i0 + 0], pSrc[i0 + fftLen/4], pSrc[i0 + fftLen/2], pSrc[i0 + 3fftLen/4] */
+        i1 = i0 + n2;
+        i2 = i1 + n2;
+        i3 = i2 + n2;
+
+        /* xa + xc */
+        r1 = pSrc[(2u * i0)] + pSrc[(2u * i2)];
+
+        /* xa - xc */
+        r2 = pSrc[(2u * i0)] - pSrc[(2u * i2)];
+
+        /* ya + yc */
+        s1 = pSrc[(2u * i0) + 1u] + pSrc[(2u * i2) + 1u];
+
+        /* ya - yc */
+        s2 = pSrc[(2u * i0) + 1u] - pSrc[(2u * i2) + 1u];
+
+        /* xb + xd */
+        t1 = pSrc[2u * i1] + pSrc[2u * i3];
+
+        /* xa' = xa + xb + xc + xd */
+        pSrc[2u * i0] = r1 + t1;
+
+        /* xa + xc -(xb + xd) */
+        r1 = r1 - t1;
+
+        /* yb + yd */
+        t2 = pSrc[(2u * i1) + 1u] + pSrc[(2u * i3) + 1u];
+
+        /* ya' = ya + yb + yc + yd */
+        pSrc[(2u * i0) + 1u] = s1 + t2;
+
+        /* (ya + yc) - (yb + yd) */
+        s1 = s1 - t2;
+
+        /* (yb - yd) */
+        t1 = pSrc[(2u * i1) + 1u] - pSrc[(2u * i3) + 1u];
+
+        /* (xb - xd) */
+        t2 = pSrc[2u * i1] - pSrc[2u * i3];
+
+        /* xc' = (xa-xb+xc-xd)co2 + (ya-yb+yc-yd)(si2) */
+        pSrc[2u * i1] = (r1 * co2) + (s1 * si2);
+
+        /* yc' = (ya-yb+yc-yd)co2 - (xa-xb+xc-xd)(si2) */
+        pSrc[(2u * i1) + 1u] = (s1 * co2) - (r1 * si2);
+
+        /* (xa - xc) + (yb - yd) */
+        r1 = r2 + t1;
+
+        /* (xa - xc) - (yb - yd) */
+        r2 = r2 - t1;
+
+        /* (ya - yc) -  (xb - xd) */
+        s1 = s2 - t2;
+
+        /* (ya - yc) +  (xb - xd) */
+        s2 = s2 + t2;
+
+        /* xb' = (xa+yb-xc-yd)co1 + (ya-xb-yc+xd)(si1) */
+        pSrc[2u * i2] = (r1 * co1) + (s1 * si1);
+
+        /* yb' = (ya-xb-yc+xd)co1 - (xa+yb-xc-yd)(si1) */
+        pSrc[(2u * i2) + 1u] = (s1 * co1) - (r1 * si1);
+
+        /* xd' = (xa-yb-xc+yd)co3 + (ya+xb-yc-xd)(si3) */
+        pSrc[2u * i3] = (r2 * co3) + (s2 * si3);
+
+        /* yd' = (ya+xb-yc-xd)co3 - (xa-yb-xc+yd)(si3) */
+        pSrc[(2u * i3) + 1u] = (s2 * co3) - (r2 * si3);
+      }
+    }
+    twidCoefModifier <<= 2u;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/*    
+ * @brief  Core function for the floating-point CIFFT butterfly process.   
+ * @param[in, out] *pSrc            points to the in-place buffer of floating-point data type.   
+ * @param[in]      fftLen           length of the FFT.   
+ * @param[in]      *pCoef           points to twiddle coefficient buffer.   
+ * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.   
+ * @param[in]      onebyfftLen      value of 1/fftLen.   
+ * @return none.   
+ */
+
+void arm_radix4_butterfly_inverse_f32(
+  float32_t * pSrc,
+  uint16_t fftLen,
+  float32_t * pCoef,
+  uint16_t twidCoefModifier,
+  float32_t onebyfftLen)
+{
+  float32_t co1, co2, co3, si1, si2, si3;
+  uint32_t ia1, ia2, ia3;
+  uint32_t i0, i1, i2, i3;
+  uint32_t n1, n2, j, k;
+
+#ifndef ARM_MATH_CM0
+
+  float32_t xaIn, yaIn, xbIn, ybIn, xcIn, ycIn, xdIn, ydIn;
+  float32_t Xaplusc, Xbplusd, Yaplusc, Ybplusd, Xaminusc, Xbminusd, Yaminusc,
+    Ybminusd;
+  float32_t Xb12C_out, Yb12C_out, Xc12C_out, Yc12C_out, Xd12C_out, Yd12C_out;
+  float32_t Xb12_out, Yb12_out, Xc12_out, Yc12_out, Xd12_out, Yd12_out;
+  float32_t *ptr1;
+
+
+  /*  Initializations for the first stage */
+  n2 = fftLen;
+  n1 = n2;
+
+  /* n2 = fftLen/4 */
+  n2 >>= 2u;
+  i0 = 0u;
+  ia1 = 0u;
+
+  j = n2;
+
+  /*  Calculation of first stage */
+  do
+  {
+    /*  index calculation for the input as, */
+    /*  pSrc[i0 + 0], pSrc[i0 + fftLen/4], pSrc[i0 + fftLen/2], pSrc[i0 + 3fftLen/4] */
+    i1 = i0 + n2;
+    i2 = i1 + n2;
+    i3 = i2 + n2;
+
+    /*  Butterfly implementation */
+    xaIn = pSrc[(2u * i0)];
+    yaIn = pSrc[(2u * i0) + 1u];
+
+    xcIn = pSrc[(2u * i2)];
+    ycIn = pSrc[(2u * i2) + 1u];
+
+    xbIn = pSrc[(2u * i1)];
+    ybIn = pSrc[(2u * i1) + 1u];
+
+    xdIn = pSrc[(2u * i3)];
+    ydIn = pSrc[(2u * i3) + 1u];
+
+    /* xa + xc */
+    Xaplusc = xaIn + xcIn;
+    /* xb + xd */
+    Xbplusd = xbIn + xdIn;
+    /* ya + yc */
+    Yaplusc = yaIn + ycIn;
+    /* yb + yd */
+    Ybplusd = ybIn + ydIn;
+
+    /*  index calculation for the coefficients */
+    ia2 = ia1 + ia1;
+    co2 = pCoef[ia2 * 2u];
+    si2 = pCoef[(ia2 * 2u) + 1u];
+
+    /* xa - xc */
+    Xaminusc = xaIn - xcIn;
+    /* xb - xd */
+    Xbminusd = xbIn - xdIn;
+    /* ya - yc */
+    Yaminusc = yaIn - ycIn;
+    /* yb - yd */
+    Ybminusd = ybIn - ydIn;
+
+    /* xa' = xa + xb + xc + xd */
+    pSrc[(2u * i0)] = Xaplusc + Xbplusd;
+
+    /* ya' = ya + yb + yc + yd */
+    pSrc[(2u * i0) + 1u] = Yaplusc + Ybplusd;
+
+    /* (xa - xc) - (yb - yd) */
+    Xb12C_out = (Xaminusc - Ybminusd);
+    /* (ya - yc) + (xb - xd) */
+    Yb12C_out = (Yaminusc + Xbminusd);
+    /* (xa + xc) - (xb + xd) */
+    Xc12C_out = (Xaplusc - Xbplusd);
+    /* (ya + yc) - (yb + yd) */
+    Yc12C_out = (Yaplusc - Ybplusd);
+    /* (xa - xc) + (yb - yd) */
+    Xd12C_out = (Xaminusc + Ybminusd);
+    /* (ya - yc) - (xb - xd) */
+    Yd12C_out = (Yaminusc - Xbminusd);
+
+    co1 = pCoef[ia1 * 2u];
+    si1 = pCoef[(ia1 * 2u) + 1u];
+
+    /*  index calculation for the coefficients */
+    ia3 = ia2 + ia1;
+    co3 = pCoef[ia3 * 2u];
+    si3 = pCoef[(ia3 * 2u) + 1u];
+
+    Xb12_out = Xb12C_out * co1;
+    Yb12_out = Yb12C_out * co1;
+    Xc12_out = Xc12C_out * co2;
+    Yc12_out = Yc12C_out * co2;
+    Xd12_out = Xd12C_out * co3;
+    Yd12_out = Yd12C_out * co3;
+
+    /* xb' = (xa+yb-xc-yd)co1 - (ya-xb-yc+xd)(si1) */
+    Xb12_out -= Yb12C_out * si1;
+    /* yb' = (ya-xb-yc+xd)co1 + (xa+yb-xc-yd)(si1) */
+    Yb12_out += Xb12C_out * si1;
+    /* xc' = (xa-xb+xc-xd)co2 - (ya-yb+yc-yd)(si2) */
+    Xc12_out -= Yc12C_out * si2;
+    /* yc' = (ya-yb+yc-yd)co2 + (xa-xb+xc-xd)(si2) */
+    Yc12_out += Xc12C_out * si2;
+    /* xd' = (xa-yb-xc+yd)co3 - (ya+xb-yc-xd)(si3) */
+    Xd12_out -= Yd12C_out * si3;
+    /* yd' = (ya+xb-yc-xd)co3 + (xa-yb-xc+yd)(si3) */
+    Yd12_out += Xd12C_out * si3;
+
+    /* xc' = (xa-xb+xc-xd)co2 - (ya-yb+yc-yd)(si2) */
+    pSrc[2u * i1] = Xc12_out;
+
+    /* yc' = (ya-yb+yc-yd)co2 + (xa-xb+xc-xd)(si2) */
+    pSrc[(2u * i1) + 1u] = Yc12_out;
+
+    /* xb' = (xa+yb-xc-yd)co1 - (ya-xb-yc+xd)(si1) */
+    pSrc[2u * i2] = Xb12_out;
+
+    /* yb' = (ya-xb-yc+xd)co1 + (xa+yb-xc-yd)(si1) */
+    pSrc[(2u * i2) + 1u] = Yb12_out;
+
+    /* xd' = (xa-yb-xc+yd)co3 - (ya+xb-yc-xd)(si3) */
+    pSrc[2u * i3] = Xd12_out;
+
+    /* yd' = (ya+xb-yc-xd)co3 + (xa-yb-xc+yd)(si3) */
+    pSrc[(2u * i3) + 1u] = Yd12_out;
+
+    /*  Twiddle coefficients index modifier */
+    ia1 = ia1 + twidCoefModifier;
+
+    /*  Updating input index */
+    i0 = i0 + 1u;
+
+  } while(--j);
+
+  twidCoefModifier <<= 2u;
+
+  /*  Calculation of second stage to excluding last stage */
+  for (k = fftLen / 4; k > 4u; k >>= 2u)
+  {
+    /*  Initializations for the first stage */
+    n1 = n2;
+    n2 >>= 2u;
+    ia1 = 0u;
+
+    /*  Calculation of first stage */
+    for (j = 0u; j <= (n2 - 1u); j++)
+    {
+      /*  index calculation for the coefficients */
+      ia2 = ia1 + ia1;
+      ia3 = ia2 + ia1;
+      co1 = pCoef[ia1 * 2u];
+      si1 = pCoef[(ia1 * 2u) + 1u];
+      co2 = pCoef[ia2 * 2u];
+      si2 = pCoef[(ia2 * 2u) + 1u];
+      co3 = pCoef[ia3 * 2u];
+      si3 = pCoef[(ia3 * 2u) + 1u];
+
+      /*  Twiddle coefficients index modifier */
+      ia1 = ia1 + twidCoefModifier;
+
+      for (i0 = j; i0 < fftLen; i0 += n1)
+      {
+        /*  index calculation for the input as, */
+        /*  pSrc[i0 + 0], pSrc[i0 + fftLen/4], pSrc[i0 + fftLen/2], pSrc[i0 + 3fftLen/4] */
+        i1 = i0 + n2;
+        i2 = i1 + n2;
+        i3 = i2 + n2;
+
+        xaIn = pSrc[(2u * i0)];
+        yaIn = pSrc[(2u * i0) + 1u];
+
+        xbIn = pSrc[(2u * i1)];
+        ybIn = pSrc[(2u * i1) + 1u];
+
+        xcIn = pSrc[(2u * i2)];
+        ycIn = pSrc[(2u * i2) + 1u];
+
+        xdIn = pSrc[(2u * i3)];
+        ydIn = pSrc[(2u * i3) + 1u];
+
+        /* xa - xc */
+        Xaminusc = xaIn - xcIn;
+        /* (xb - xd) */
+        Xbminusd = xbIn - xdIn;
+        /* ya - yc */
+        Yaminusc = yaIn - ycIn;
+        /* (yb - yd) */
+        Ybminusd = ybIn - ydIn;
+
+        /* xa + xc */
+        Xaplusc = xaIn + xcIn;
+        /* xb + xd */
+        Xbplusd = xbIn + xdIn;
+        /* ya + yc */
+        Yaplusc = yaIn + ycIn;
+        /* yb + yd */
+        Ybplusd = ybIn + ydIn;
+
+        /* (xa - xc) - (yb - yd) */
+        Xb12C_out = (Xaminusc - Ybminusd);
+        /* (ya - yc) +  (xb - xd) */
+        Yb12C_out = (Yaminusc + Xbminusd);
+        /* xa + xc -(xb + xd) */
+        Xc12C_out = (Xaplusc - Xbplusd);
+        /* (ya + yc) - (yb + yd) */
+        Yc12C_out = (Yaplusc - Ybplusd);
+        /* (xa - xc) + (yb - yd) */
+        Xd12C_out = (Xaminusc + Ybminusd);
+        /* (ya - yc) -  (xb - xd) */
+        Yd12C_out = (Yaminusc - Xbminusd);
+
+        pSrc[(2u * i0)] = Xaplusc + Xbplusd;
+        pSrc[(2u * i0) + 1u] = Yaplusc + Ybplusd;
+
+        Xb12_out = Xb12C_out * co1;
+        Yb12_out = Yb12C_out * co1;
+        Xc12_out = Xc12C_out * co2;
+        Yc12_out = Yc12C_out * co2;
+        Xd12_out = Xd12C_out * co3;
+        Yd12_out = Yd12C_out * co3;
+
+        /* xb' = (xa+yb-xc-yd)co1 - (ya-xb-yc+xd)(si1) */
+        Xb12_out -= Yb12C_out * si1;
+        /* yb' = (ya-xb-yc+xd)co1 + (xa+yb-xc-yd)(si1) */
+        Yb12_out += Xb12C_out * si1;
+        /* xc' = (xa-xb+xc-xd)co2 - (ya-yb+yc-yd)(si2) */
+        Xc12_out -= Yc12C_out * si2;
+        /* yc' = (ya-yb+yc-yd)co2 + (xa-xb+xc-xd)(si2) */
+        Yc12_out += Xc12C_out * si2;
+        /* xd' = (xa-yb-xc+yd)co3 - (ya+xb-yc-xd)(si3) */
+        Xd12_out -= Yd12C_out * si3;
+        /* yd' = (ya+xb-yc-xd)co3 + (xa-yb-xc+yd)(si3) */
+        Yd12_out += Xd12C_out * si3;
+
+        /* xc' = (xa-xb+xc-xd)co2 - (ya-yb+yc-yd)(si2) */
+        pSrc[2u * i1] = Xc12_out;
+
+        /* yc' = (ya-yb+yc-yd)co2 + (xa-xb+xc-xd)(si2) */
+        pSrc[(2u * i1) + 1u] = Yc12_out;
+
+        /* xb' = (xa+yb-xc-yd)co1 - (ya-xb-yc+xd)(si1) */
+        pSrc[2u * i2] = Xb12_out;
+
+        /* yb' = (ya-xb-yc+xd)co1 + (xa+yb-xc-yd)(si1) */
+        pSrc[(2u * i2) + 1u] = Yb12_out;
+
+        /* xd' = (xa-yb-xc+yd)co3 - (ya+xb-yc-xd)(si3) */
+        pSrc[2u * i3] = Xd12_out;
+
+        /* yd' = (ya+xb-yc-xd)co3 + (xa-yb-xc+yd)(si3) */
+        pSrc[(2u * i3) + 1u] = Yd12_out;
+
+      }
+    }
+    twidCoefModifier <<= 2u;
+  }
+  /*  Initializations of last stage */
+
+  j = fftLen >> 2;
+  ptr1 = &pSrc[0];
+
+  /*  Calculations of last stage */
+  do
+  {
+
+    xaIn = ptr1[0];
+    xcIn = ptr1[4];
+    yaIn = ptr1[1];
+    ycIn = ptr1[5];
+
+    /*  Butterfly implementation */
+    /* xa + xc */
+    Xaplusc = xaIn + xcIn;
+
+    xbIn = ptr1[2];
+
+    /* xa - xc */
+    Xaminusc = xaIn - xcIn;
+
+    xdIn = ptr1[6];
+
+    /* ya + yc */
+    Yaplusc = yaIn + ycIn;
+
+    ybIn = ptr1[3];
+
+    /* ya - yc */
+    Yaminusc = yaIn - ycIn;
+
+    ydIn = ptr1[7];
+
+    /* xc + xd */
+    Xbplusd = xbIn + xdIn;
+
+    /* yb + yd */
+    Ybplusd = ybIn + ydIn;
+
+    /* xa' = xa + xb + xc + xd */
+    ptr1[0] = (Xaplusc + Xbplusd) * onebyfftLen;
+
+    /* (xb-xd) */
+    Xbminusd = xbIn - xdIn;
+
+    /* ya' = ya + yb + yc + yd */
+    ptr1[1] = (Yaplusc + Ybplusd) * onebyfftLen;
+
+    /* (yb-yd) */
+    Ybminusd = ybIn - ydIn;
+
+    /* xc' = (xa-xb+xc-xd) * onebyfftLen */
+    ptr1[2] = (Xaplusc - Xbplusd) * onebyfftLen;
+
+    /* yc' = (ya-yb+yc-yd) * onebyfftLen  */
+    ptr1[3] = (Yaplusc - Ybplusd) * onebyfftLen;
+
+    /* xb' = (xa-yb-xc+yd) * onebyfftLen */
+    ptr1[4] = (Xaminusc - Ybminusd) * onebyfftLen;
+
+    /* yb' = (ya+xb-yc-xd) * onebyfftLen */
+    ptr1[5] = (Yaminusc + Xbminusd) * onebyfftLen;
+
+    /* xd' = (xa-yb-xc+yd) * onebyfftLen */
+    ptr1[6] = (Xaminusc + Ybminusd) * onebyfftLen;
+
+    /* yd' = (ya-xb-yc+xd) * onebyfftLen */
+    ptr1[7] = (Yaminusc - Xbminusd) * onebyfftLen;
+
+    /* increment source pointer by 8 for next calculations */
+    ptr1 = ptr1 + 8u;
+
+  } while(--j);
+
+#else
+
+  float32_t t1, t2, r1, r2, s1, s2;
+
+  /* Run the below code for Cortex-M0 */
+
+  /*  Initializations for the first stage */
+  n2 = fftLen;
+  n1 = n2;
+
+  /*  Calculation of first stage */
+  for (k = fftLen; k > 4u; k >>= 2u)
+  {
+    /*  Initializations for the first stage */
+    n1 = n2;
+    n2 >>= 2u;
+    ia1 = 0u;
+
+    /*  Calculation of first stage */
+    for (j = 0u; j <= (n2 - 1u); j++)
+    {
+      /*  index calculation for the coefficients */
+      ia2 = ia1 + ia1;
+      ia3 = ia2 + ia1;
+      co1 = pCoef[ia1 * 2u];
+      si1 = pCoef[(ia1 * 2u) + 1u];
+      co2 = pCoef[ia2 * 2u];
+      si2 = pCoef[(ia2 * 2u) + 1u];
+      co3 = pCoef[ia3 * 2u];
+      si3 = pCoef[(ia3 * 2u) + 1u];
+
+      /*  Twiddle coefficients index modifier */
+      ia1 = ia1 + twidCoefModifier;
+
+      for (i0 = j; i0 < fftLen; i0 += n1)
+      {
+        /*  index calculation for the input as, */
+        /*  pSrc[i0 + 0], pSrc[i0 + fftLen/4], pSrc[i0 + fftLen/2], pSrc[i0 + 3fftLen/4] */
+        i1 = i0 + n2;
+        i2 = i1 + n2;
+        i3 = i2 + n2;
+
+        /* xa + xc */
+        r1 = pSrc[(2u * i0)] + pSrc[(2u * i2)];
+
+        /* xa - xc */
+        r2 = pSrc[(2u * i0)] - pSrc[(2u * i2)];
+
+        /* ya + yc */
+        s1 = pSrc[(2u * i0) + 1u] + pSrc[(2u * i2) + 1u];
+
+        /* ya - yc */
+        s2 = pSrc[(2u * i0) + 1u] - pSrc[(2u * i2) + 1u];
+
+        /* xb + xd */
+        t1 = pSrc[2u * i1] + pSrc[2u * i3];
+
+        /* xa' = xa + xb + xc + xd */
+        pSrc[2u * i0] = r1 + t1;
+
+        /* xa + xc -(xb + xd) */
+        r1 = r1 - t1;
+
+        /* yb + yd */
+        t2 = pSrc[(2u * i1) + 1u] + pSrc[(2u * i3) + 1u];
+
+        /* ya' = ya + yb + yc + yd */
+        pSrc[(2u * i0) + 1u] = s1 + t2;
+
+        /* (ya + yc) - (yb + yd) */
+        s1 = s1 - t2;
+
+        /* (yb - yd) */
+        t1 = pSrc[(2u * i1) + 1u] - pSrc[(2u * i3) + 1u];
+
+        /* (xb - xd) */
+        t2 = pSrc[2u * i1] - pSrc[2u * i3];
+
+        /* xc' = (xa-xb+xc-xd)co2 - (ya-yb+yc-yd)(si2) */
+        pSrc[2u * i1] = (r1 * co2) - (s1 * si2);
+
+        /* yc' = (ya-yb+yc-yd)co2 + (xa-xb+xc-xd)(si2) */
+        pSrc[(2u * i1) + 1u] = (s1 * co2) + (r1 * si2);
+
+        /* (xa - xc) - (yb - yd) */
+        r1 = r2 - t1;
+
+        /* (xa - xc) + (yb - yd) */
+        r2 = r2 + t1;
+
+        /* (ya - yc) +  (xb - xd) */
+        s1 = s2 + t2;
+
+        /* (ya - yc) -  (xb - xd) */
+        s2 = s2 - t2;
+
+        /* xb' = (xa+yb-xc-yd)co1 - (ya-xb-yc+xd)(si1) */
+        pSrc[2u * i2] = (r1 * co1) - (s1 * si1);
+
+        /* yb' = (ya-xb-yc+xd)co1 + (xa+yb-xc-yd)(si1) */
+        pSrc[(2u * i2) + 1u] = (s1 * co1) + (r1 * si1);
+
+        /* xd' = (xa-yb-xc+yd)co3 - (ya+xb-yc-xd)(si3) */
+        pSrc[2u * i3] = (r2 * co3) - (s2 * si3);
+
+        /* yd' = (ya+xb-yc-xd)co3 + (xa-yb-xc+yd)(si3) */
+        pSrc[(2u * i3) + 1u] = (s2 * co3) + (r2 * si3);
+      }
+    }
+    twidCoefModifier <<= 2u;
+  }
+  /*  Initializations of last stage */
+  n1 = n2;
+  n2 >>= 2u;
+
+  /*  Calculations of last stage */
+  for (i0 = 0u; i0 <= (fftLen - n1); i0 += n1)
+  {
+    /*  index calculation for the input as, */
+    /*  pSrc[i0 + 0], pSrc[i0 + fftLen/4], pSrc[i0 + fftLen/2], pSrc[i0 + 3fftLen/4] */
+    i1 = i0 + n2;
+    i2 = i1 + n2;
+    i3 = i2 + n2;
+
+    /*  Butterfly implementation */
+    /* xa + xc */
+    r1 = pSrc[2u * i0] + pSrc[2u * i2];
+
+    /* xa - xc */
+    r2 = pSrc[2u * i0] - pSrc[2u * i2];
+
+    /* ya + yc */
+    s1 = pSrc[(2u * i0) + 1u] + pSrc[(2u * i2) + 1u];
+
+    /* ya - yc */
+    s2 = pSrc[(2u * i0) + 1u] - pSrc[(2u * i2) + 1u];
+
+    /* xc + xd */
+    t1 = pSrc[2u * i1] + pSrc[2u * i3];
+
+    /* xa' = xa + xb + xc + xd */
+    pSrc[2u * i0] = (r1 + t1) * onebyfftLen;
+
+    /* (xa + xb) - (xc + xd) */
+    r1 = r1 - t1;
+
+    /* yb + yd */
+    t2 = pSrc[(2u * i1) + 1u] + pSrc[(2u * i3) + 1u];
+
+    /* ya' = ya + yb + yc + yd */
+    pSrc[(2u * i0) + 1u] = (s1 + t2) * onebyfftLen;
+
+    /* (ya + yc) - (yb + yd) */
+    s1 = s1 - t2;
+
+    /* (yb-yd) */
+    t1 = pSrc[(2u * i1) + 1u] - pSrc[(2u * i3) + 1u];
+
+    /* (xb-xd) */
+    t2 = pSrc[2u * i1] - pSrc[2u * i3];
+
+    /* xc' = (xa-xb+xc-xd)co2 - (ya-yb+yc-yd)(si2) */
+    pSrc[2u * i1] = r1 * onebyfftLen;
+
+    /* yc' = (ya-yb+yc-yd)co2 + (xa-xb+xc-xd)(si2) */
+    pSrc[(2u * i1) + 1u] = s1 * onebyfftLen;
+
+
+    /* (xa - xc) - (yb-yd) */
+    r1 = r2 - t1;
+
+    /* (xa - xc) + (yb-yd) */
+    r2 = r2 + t1;
+
+    /* (ya - yc) + (xb-xd) */
+    s1 = s2 + t2;
+
+    /* (ya - yc) - (xb-xd) */
+    s2 = s2 - t2;
+
+    /* xb' = (xa+yb-xc-yd)co1 - (ya-xb-yc+xd)(si1) */
+    pSrc[2u * i2] = r1 * onebyfftLen;
+
+    /* yb' = (ya-xb-yc+xd)co1 + (xa+yb-xc-yd)(si1) */
+    pSrc[(2u * i2) + 1u] = s1 * onebyfftLen;
+
+    /* xd' = (xa-yb-xc+yd)co3 - (ya+xb-yc-xd)(si3) */
+    pSrc[2u * i3] = r2 * onebyfftLen;
+
+    /* yd' = (ya+xb-yc-xd)co3 + (xa-yb-xc+yd)(si3) */
+    pSrc[(2u * i3) + 1u] = s2 * onebyfftLen;
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_init_f32.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_init_f32.c
new file mode 100644
index 0000000000..11cf66ff8b
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_init_f32.c
@@ -0,0 +1,161 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_cfft_radix4_init_f32.c    
+*    
+* Description:	Radix-4 Decimation in Frequency Floating-point CFFT & CIFFT Initialization function    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+/**    
+ * @addtogroup Radix4_CFFT_CIFFT    
+ * @{    
+ */
+
+/**    
+* @brief  Initialization function for the floating-point CFFT/CIFFT.   
+* @param[in,out] *S             points to an instance of the floating-point CFFT/CIFFT structure.   
+* @param[in]     fftLen         length of the FFT.   
+* @param[in]     ifftFlag       flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.   
+* @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.   
+* @return        The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLen is not a supported value.   
+*    
+* \par Description:   
+* \par    
+* The parameter ifftFlag controls whether a forward or inverse transform is computed.    
+* Set(=1) ifftFlag for calculation of CIFFT otherwise  CFFT is calculated   
+* \par    
+* The parameter bitReverseFlag controls whether output is in normal order or bit reversed order.    
+* Set(=1) bitReverseFlag for output to be in normal order otherwise output is in bit reversed order.    
+* \par    
+* The parameter fftLen	Specifies length of CFFT/CIFFT process. Supported FFT Lengths are 16, 64, 256, 1024.    
+* \par    
+* This Function also initializes Twiddle factor table pointer and Bit reversal table pointer.    
+*/
+
+arm_status arm_cfft_radix4_init_f32(
+  arm_cfft_radix4_instance_f32 * S,
+  uint16_t fftLen,
+  uint8_t ifftFlag,
+  uint8_t bitReverseFlag)
+{
+  /*  Initialise the default arm status */
+  arm_status status = ARM_MATH_SUCCESS;
+
+  /*  Initialise the FFT length */
+  S->fftLen = fftLen;
+
+  /*  Initialise the Twiddle coefficient pointer */
+  S->pTwiddle = (float32_t *) twiddleCoef;
+
+  /*  Initialise the Flag for selection of CFFT or CIFFT */
+  S->ifftFlag = ifftFlag;
+
+  /*  Initialise the Flag for calculation Bit reversal or not */
+  S->bitReverseFlag = bitReverseFlag;
+
+  /*  Initializations of structure parameters depending on the FFT length */
+  switch (S->fftLen)
+  {
+
+  case 4096u:
+    /*  Initializations of structure parameters for 4096 point FFT */
+
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 1u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 1u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) armBitRevTable;
+    /*  Initialise the 1/fftLen Value */
+    S->onebyfftLen = 0.000244140625;
+    break;
+
+  case 1024u:
+    /*  Initializations of structure parameters for 1024 point FFT */
+
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 4u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 4u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[3];
+    /*  Initialise the 1/fftLen Value */
+    S->onebyfftLen = 0.0009765625f;
+    break;
+
+
+  case 256u:
+    /*  Initializations of structure parameters for 256 point FFT */
+    S->twidCoefModifier = 16u;
+    S->bitRevFactor = 16u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[15];
+    S->onebyfftLen = 0.00390625f;
+    break;
+
+  case 64u:
+    /*  Initializations of structure parameters for 64 point FFT */
+    S->twidCoefModifier = 64u;
+    S->bitRevFactor = 64u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[63];
+    S->onebyfftLen = 0.015625f;
+    break;
+
+  case 16u:
+    /*  Initializations of structure parameters for 16 point FFT */
+    S->twidCoefModifier = 256u;
+    S->bitRevFactor = 256u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[255];
+    S->onebyfftLen = 0.0625f;
+    break;
+
+
+  default:
+    /*  Reporting argument error if fftSize is not valid value */
+    status = ARM_MATH_ARGUMENT_ERROR;
+    break;
+  }
+
+  return (status);
+}
+
+/**    
+ * @} end of Radix4_CFFT_CIFFT group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_init_q15.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_init_q15.c
new file mode 100644
index 0000000000..dd637a3612
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_init_q15.c
@@ -0,0 +1,149 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_cfft_radix4_init_q15.c    
+*    
+* Description:	Radix-4 Decimation in Frequency Q15 FFT & IFFT initialization function    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+
+/**    
+ * @addtogroup Radix4_CFFT_CIFFT    
+ * @{    
+ */
+
+
+/**    
+* @brief Initialization function for the Q15 CFFT/CIFFT.   
+* @param[in,out] *S             points to an instance of the Q15 CFFT/CIFFT structure.   
+* @param[in]     fftLen         length of the FFT.   
+* @param[in]     ifftFlag       flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.   
+* @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.   
+* @return        The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLen is not a supported value.   
+*    
+* \par Description:   
+* \par    
+* The parameter ifftFlag controls whether a forward or inverse transform is computed.    
+* Set(=1) ifftFlag for calculation of CIFFT otherwise  CFFT is calculated   
+* \par    
+* The parameter bitReverseFlag controls whether output is in normal order or bit reversed order.    
+* Set(=1) bitReverseFlag for output to be in normal order otherwise output is in bit reversed order.    
+* \par    
+* The parameter fftLen	Specifies length of CFFT/CIFFT process. Supported FFT Lengths are 16, 64, 256, 1024.    
+* \par    
+* This Function also initializes Twiddle factor table pointer and Bit reversal table pointer.    
+*/
+
+arm_status arm_cfft_radix4_init_q15(
+  arm_cfft_radix4_instance_q15 * S,
+  uint16_t fftLen,
+  uint8_t ifftFlag,
+  uint8_t bitReverseFlag)
+{
+  /*  Initialise the default arm status */
+  arm_status status = ARM_MATH_SUCCESS;
+  /*  Initialise the FFT length */
+  S->fftLen = fftLen;
+  /*  Initialise the Twiddle coefficient pointer */
+  S->pTwiddle = (q15_t *) twiddleCoefQ15;
+  /*  Initialise the Flag for selection of CFFT or CIFFT */
+  S->ifftFlag = ifftFlag;
+  /*  Initialise the Flag for calculation Bit reversal or not */
+  S->bitReverseFlag = bitReverseFlag;
+
+  /*  Initializations of structure parameters depending on the FFT length */
+  switch (S->fftLen)
+  {
+  case 4096u:
+    /*  Initializations of structure parameters for 4096 point FFT */
+
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 1u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 1u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) armBitRevTable;
+
+    break;
+
+  case 1024u:
+    /*  Initializations of structure parameters for 1024 point FFT */
+    S->twidCoefModifier = 4u;
+    S->bitRevFactor = 4u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[3];
+
+    break;
+
+  case 256u:
+    /*  Initializations of structure parameters for 256 point FFT */
+    S->twidCoefModifier = 16u;
+    S->bitRevFactor = 16u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[15];
+
+    break;
+
+  case 64u:
+    /*  Initializations of structure parameters for 64 point FFT */
+    S->twidCoefModifier = 64u;
+    S->bitRevFactor = 64u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[63];
+
+    break;
+
+  case 16u:
+    /*  Initializations of structure parameters for 16 point FFT */
+    S->twidCoefModifier = 256u;
+    S->bitRevFactor = 256u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[255];
+
+    break;
+
+  default:
+    /*  Reporting argument error if fftSize is not valid value */
+    status = ARM_MATH_ARGUMENT_ERROR;
+    break;
+  }
+
+  return (status);
+}
+
+/**    
+ * @} end of Radix4_CFFT_CIFFT group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_init_q31.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_init_q31.c
new file mode 100644
index 0000000000..66f06e6342
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_init_q31.c
@@ -0,0 +1,145 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_cfft_radix4_init_q31.c    
+*    
+* Description:	Radix-4 Decimation in Frequency Q31 FFT & IFFT initialization function    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+#include "arm_common_tables.h"
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+/**    
+ * @addtogroup Radix4_CFFT_CIFFT    
+ * @{    
+ */
+
+/**    
+*    
+* @brief  Initialization function for the Q31 CFFT/CIFFT.   
+* @param[in,out] *S             points to an instance of the Q31 CFFT/CIFFT structure.   
+* @param[in]     fftLen         length of the FFT.   
+* @param[in]     ifftFlag       flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.   
+* @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.   
+* @return        The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLen is not a supported value.   
+*    
+* \par Description:   
+* \par    
+* The parameter ifftFlag controls whether a forward or inverse transform is computed.    
+* Set(=1) ifftFlag for calculation of CIFFT otherwise  CFFT is calculated   
+* \par    
+* The parameter bitReverseFlag controls whether output is in normal order or bit reversed order.    
+* Set(=1) bitReverseFlag for output to be in normal order otherwise output is in bit reversed order.    
+* \par    
+* The parameter fftLen	Specifies length of CFFT/CIFFT process. Supported FFT Lengths are 16, 64, 256, 1024.    
+* \par    
+* This Function also initializes Twiddle factor table pointer and Bit reversal table pointer.    
+*/
+
+arm_status arm_cfft_radix4_init_q31(
+  arm_cfft_radix4_instance_q31 * S,
+  uint16_t fftLen,
+  uint8_t ifftFlag,
+  uint8_t bitReverseFlag)
+{
+  /*  Initialise the default arm status */
+  arm_status status = ARM_MATH_SUCCESS;
+  /*  Initialise the FFT length */
+  S->fftLen = fftLen;
+  /*  Initialise the Twiddle coefficient pointer */
+  S->pTwiddle = (q31_t *) twiddleCoefQ31;
+  /*  Initialise the Flag for selection of CFFT or CIFFT */
+  S->ifftFlag = ifftFlag;
+  /*  Initialise the Flag for calculation Bit reversal or not */
+  S->bitReverseFlag = bitReverseFlag;
+
+  /*  Initializations of Instance structure depending on the FFT length */
+  switch (S->fftLen)
+  {
+    /*  Initializations of structure parameters for 4096 point FFT */
+  case 4096u:
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 1u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 1u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) armBitRevTable;
+    break;
+
+    /*  Initializations of structure parameters for 1024 point FFT */
+  case 1024u:
+    /*  Initialise the twiddle coef modifier value */
+    S->twidCoefModifier = 4u;
+    /*  Initialise the bit reversal table modifier */
+    S->bitRevFactor = 4u;
+    /*  Initialise the bit reversal table pointer */
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[3];
+    break;
+
+  case 256u:
+    /*  Initializations of structure parameters for 256 point FFT */
+    S->twidCoefModifier = 16u;
+    S->bitRevFactor = 16u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[15];
+    break;
+
+  case 64u:
+    /*  Initializations of structure parameters for 64 point FFT */
+    S->twidCoefModifier = 64u;
+    S->bitRevFactor = 64u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[63];
+    break;
+
+  case 16u:
+    /*  Initializations of structure parameters for 16 point FFT */
+    S->twidCoefModifier = 256u;
+    S->bitRevFactor = 256u;
+    S->pBitRevTable = (uint16_t *) & armBitRevTable[255];
+    break;
+
+  default:
+    /*  Reporting argument error if fftSize is not valid value */
+    status = ARM_MATH_ARGUMENT_ERROR;
+    break;
+  }
+
+  return (status);
+}
+
+/**    
+ * @} end of Radix4_CFFT_CIFFT group    
+ */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_q15.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_q15.c
new file mode 100644
index 0000000000..023e2f7abc
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_q15.c
@@ -0,0 +1,1896 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_cfft_radix4_q15.c    
+*    
+* Description:	This file has function definition of Radix-4 FFT & IFFT function and    
+*				In-place bit reversal using bit reversal table    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+/**    
+ * @addtogroup Radix4_CFFT_CIFFT    
+ * @{    
+ */
+
+
+/**    
+ * @details    
+ * @brief Processing function for the Q15 CFFT/CIFFT.   
+ * @param[in]      *S    points to an instance of the Q15 CFFT/CIFFT structure.   
+ * @param[in, out] *pSrc points to the complex data buffer. Processing occurs in-place.   
+ * @return none.   
+ *     
+ * \par Input and output formats:    
+ * \par    
+ * Internally input is downscaled by 2 for every stage to avoid saturations inside CFFT/CIFFT process.   
+ * Hence the output format is different for different FFT sizes.    
+ * The input and output formats for different FFT sizes and number of bits to upscale are mentioned in the tables below for CFFT and CIFFT:   
+ * \par   
+ * \image html CFFTQ15.gif "Input and Output Formats for Q15 CFFT"    
+ * \image html CIFFTQ15.gif "Input and Output Formats for Q15 CIFFT"    
+ */
+
+void arm_cfft_radix4_q15(
+  const arm_cfft_radix4_instance_q15 * S,
+  q15_t * pSrc)
+{
+  if(S->ifftFlag == 1u)
+  {
+    /*  Complex IFFT radix-4  */
+    arm_radix4_butterfly_inverse_q15(pSrc, S->fftLen, S->pTwiddle,
+                                     S->twidCoefModifier);
+  }
+  else
+  {
+    /*  Complex FFT radix-4  */
+    arm_radix4_butterfly_q15(pSrc, S->fftLen, S->pTwiddle,
+                             S->twidCoefModifier);
+  }
+
+  if(S->bitReverseFlag == 1u)
+  {
+    /*  Bit Reversal */
+    arm_bitreversal_q15(pSrc, S->fftLen, S->bitRevFactor, S->pBitRevTable);
+  }
+
+}
+
+/**    
+ * @} end of Radix4_CFFT_CIFFT group    
+ */
+
+/*    
+* Radix-4 FFT algorithm used is :    
+*    
+* Input real and imaginary data:    
+* x(n) = xa + j * ya    
+* x(n+N/4 ) = xb + j * yb    
+* x(n+N/2 ) = xc + j * yc    
+* x(n+3N 4) = xd + j * yd    
+*    
+*    
+* Output real and imaginary data:    
+* x(4r) = xa'+ j * ya'    
+* x(4r+1) = xb'+ j * yb'    
+* x(4r+2) = xc'+ j * yc'    
+* x(4r+3) = xd'+ j * yd'    
+*    
+*    
+* Twiddle factors for radix-4 FFT:    
+* Wn = co1 + j * (- si1)    
+* W2n = co2 + j * (- si2)    
+* W3n = co3 + j * (- si3)    
+    
+* The real and imaginary output values for the radix-4 butterfly are    
+* xa' = xa + xb + xc + xd    
+* ya' = ya + yb + yc + yd    
+* xb' = (xa+yb-xc-yd)* co1 + (ya-xb-yc+xd)* (si1)    
+* yb' = (ya-xb-yc+xd)* co1 - (xa+yb-xc-yd)* (si1)    
+* xc' = (xa-xb+xc-xd)* co2 + (ya-yb+yc-yd)* (si2)    
+* yc' = (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2)    
+* xd' = (xa-yb-xc+yd)* co3 + (ya+xb-yc-xd)* (si3)    
+* yd' = (ya+xb-yc-xd)* co3 - (xa-yb-xc+yd)* (si3)    
+*    
+*/
+
+/**    
+ * @brief  Core function for the Q15 CFFT butterfly process.   
+ * @param[in, out] *pSrc16          points to the in-place buffer of Q15 data type.   
+ * @param[in]      fftLen           length of the FFT.   
+ * @param[in]      *pCoef16         points to twiddle coefficient buffer.   
+ * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.   
+ * @return none.   
+ */
+
+void arm_radix4_butterfly_q15(
+  q15_t * pSrc16,
+  uint32_t fftLen,
+  q15_t * pCoef16,
+  uint32_t twidCoefModifier)
+{
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t R, S, T, U;
+  q31_t C1, C2, C3, out1, out2;
+  uint32_t n1, n2, ic, i0, i1, i2, i3, j, k;
+  q15_t in;
+
+  q15_t *ptr1;
+
+
+
+  q31_t xaya, xbyb, xcyc, xdyd;
+
+  /* Total process is divided into three stages */
+
+  /* process first stage, middle stages, & last stage */
+
+  /*  Initializations for the first stage */
+  n2 = fftLen;
+  n1 = n2;
+
+  /* n2 = fftLen/4 */
+  n2 >>= 2u;
+
+  /* Index for twiddle coefficient */
+  ic = 0u;
+
+  /* Index for input read and output write */
+  i0 = 0u;
+  j = n2;
+
+  /* Input is in 1.15(q15) format */
+
+  /*  start of first stage process */
+  do
+  {
+    /*  Butterfly implementation */
+
+    /*  index calculation for the input as, */
+    /*  pSrc16[i0 + 0], pSrc16[i0 + fftLen/4], pSrc16[i0 + fftLen/2], pSrc16[i0 + 3fftLen/4] */
+    i1 = i0 + n2;
+    i2 = i1 + n2;
+    i3 = i2 + n2;
+
+    /*  Reading i0, i0+fftLen/2 inputs */
+    /* Read ya (real), xa(imag) input */
+    T = _SIMD32_OFFSET(pSrc16 + (2u * i0));
+    in = ((int16_t) (T & 0xFFFF)) >> 2;
+    T = ((T >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    /* Read yc (real), xc(imag) input */
+    S = _SIMD32_OFFSET(pSrc16 + (2u * i2));
+    in = ((int16_t) (S & 0xFFFF)) >> 2;
+    S = ((S >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    /* R = packed((ya + yc), (xa + xc) ) */
+    R = __QADD16(T, S);
+
+    /* S = packed((ya - yc), (xa - xc) ) */
+    S = __QSUB16(T, S);
+
+    /*  Reading i0+fftLen/4 , i0+3fftLen/4 inputs */
+    /* Read yb (real), xb(imag) input */
+    T = _SIMD32_OFFSET(pSrc16 + (2u * i1));
+    in = ((int16_t) (T & 0xFFFF)) >> 2;
+    T = ((T >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    /* Read yd (real), xd(imag) input */
+    U = _SIMD32_OFFSET(pSrc16 + (2u * i3));
+    in = ((int16_t) (U & 0xFFFF)) >> 2;
+    U = ((U >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    /* T = packed((yb + yd), (xb + xd) ) */
+    T = __QADD16(T, U);
+
+    /*  writing the butterfly processed i0 sample */
+    /* xa' = xa + xb + xc + xd */
+    /* ya' = ya + yb + yc + yd */
+    _SIMD32_OFFSET(pSrc16 + (2u * i0)) = __SHADD16(R, T);
+
+    /* R = packed((ya + yc) - (yb + yd), (xa + xc)- (xb + xd)) */
+    R = __QSUB16(R, T);
+
+    /* co2 & si2 are read from SIMD Coefficient pointer */
+    C2 = _SIMD32_OFFSET(pCoef16 + (4u * ic));
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    /* xc' = (xa-xb+xc-xd)* co2 + (ya-yb+yc-yd)* (si2) */
+    out1 = __SMUAD(C2, R) >> 16u;
+    /* yc' = (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2) */
+    out2 = __SMUSDX(C2, R);
+
+#else
+
+    /* xc' = (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2) */
+    out1 = __SMUSDX(R, C2) >> 16u;
+    /* yc' = (xa-xb+xc-xd)* co2 + (ya-yb+yc-yd)* (si2) */
+    out2 = __SMUAD(C2, R);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+    /*  Reading i0+fftLen/4 */
+    /* T = packed(yb, xb) */
+    T = _SIMD32_OFFSET(pSrc16 + (2u * i1));
+    in = ((int16_t) (T & 0xFFFF)) >> 2;
+    T = ((T >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    /* writing the butterfly processed i0 + fftLen/4 sample */
+    /* writing output(xc', yc') in little endian format */
+    _SIMD32_OFFSET(pSrc16 + (2u * i1)) =
+      (q31_t) ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+    /*  Butterfly calculations */
+    /* U = packed(yd, xd) */
+    U = _SIMD32_OFFSET(pSrc16 + (2u * i3));
+    in = ((int16_t) (U & 0xFFFF)) >> 2;
+    U = ((U >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    /* T = packed(yb-yd, xb-xd) */
+    T = __QSUB16(T, U);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    /* R = packed((ya-yc) + (xb- xd) , (xa-xc) - (yb-yd)) */
+    R = __QASX(S, T);
+    /* S = packed((ya-yc) - (xb- xd),  (xa-xc) + (yb-yd)) */
+    S = __QSAX(S, T);
+
+#else
+
+    /* R = packed((ya-yc) + (xb- xd) , (xa-xc) - (yb-yd)) */
+    R = __QSAX(S, T);
+    /* S = packed((ya-yc) - (xb- xd),  (xa-xc) + (yb-yd)) */
+    S = __QASX(S, T);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+    /* co1 & si1 are read from SIMD Coefficient pointer */
+    C1 = _SIMD32_OFFSET(pCoef16 + (2u * ic));
+    /*  Butterfly process for the i0+fftLen/2 sample */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    /* xb' = (xa+yb-xc-yd)* co1 + (ya-xb-yc+xd)* (si1) */
+    out1 = __SMUAD(C1, S) >> 16u;
+    /* yb' = (ya-xb-yc+xd)* co1 - (xa+yb-xc-yd)* (si1) */
+    out2 = __SMUSDX(C1, S);
+
+#else
+
+    /* xb' = (ya-xb-yc+xd)* co1 - (xa+yb-xc-yd)* (si1) */
+    out1 = __SMUSDX(S, C1) >> 16u;
+    /* yb' = (xa+yb-xc-yd)* co1 + (ya-xb-yc+xd)* (si1) */
+    out2 = __SMUAD(C1, S);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+    /* writing output(xb', yb') in little endian format */
+    _SIMD32_OFFSET(pSrc16 + (2u * i2)) =
+      ((out2) & 0xFFFF0000) | ((out1) & 0x0000FFFF);
+
+
+    /* co3 & si3 are read from SIMD Coefficient pointer */
+    C3 = _SIMD32_OFFSET(pCoef16 + (6u * ic));
+    /*  Butterfly process for the i0+3fftLen/4 sample */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    /* xd' = (xa-yb-xc+yd)* co3 + (ya+xb-yc-xd)* (si3) */
+    out1 = __SMUAD(C3, R) >> 16u;
+    /* yd' = (ya+xb-yc-xd)* co3 - (xa-yb-xc+yd)* (si3) */
+    out2 = __SMUSDX(C3, R);
+
+#else
+
+    /* xd' = (ya+xb-yc-xd)* co3 - (xa-yb-xc+yd)* (si3) */
+    out1 = __SMUSDX(R, C3) >> 16u;
+    /* yd' = (xa-yb-xc+yd)* co3 + (ya+xb-yc-xd)* (si3) */
+    out2 = __SMUAD(C3, R);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+    /* writing output(xd', yd') in little endian format */
+    _SIMD32_OFFSET(pSrc16 + (2u * i3)) =
+      ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+    /*  Twiddle coefficients index modifier */
+    ic = ic + twidCoefModifier;
+
+    /*  Updating input index */
+    i0 = i0 + 1u;
+
+  } while(--j);
+  /* data is in 4.11(q11) format */
+
+  /* end of first stage process */
+
+
+  /* start of middle stage process */
+
+  /*  Twiddle coefficients index modifier */
+  twidCoefModifier <<= 2u;
+
+  /*  Calculation of Middle stage */
+  for (k = fftLen / 4u; k > 4u; k >>= 2u)
+  {
+    /*  Initializations for the middle stage */
+    n1 = n2;
+    n2 >>= 2u;
+    ic = 0u;
+
+    for (j = 0u; j <= (n2 - 1u); j++)
+    {
+      /*  index calculation for the coefficients */
+      C1 = _SIMD32_OFFSET(pCoef16 + (2u * ic));
+      C2 = _SIMD32_OFFSET(pCoef16 + (4u * ic));
+      C3 = _SIMD32_OFFSET(pCoef16 + (6u * ic));
+
+      /*  Twiddle coefficients index modifier */
+      ic = ic + twidCoefModifier;
+
+      /*  Butterfly implementation */
+      for (i0 = j; i0 < fftLen; i0 += n1)
+      {
+        /*  index calculation for the input as, */
+        /*  pSrc16[i0 + 0], pSrc16[i0 + fftLen/4], pSrc16[i0 + fftLen/2], pSrc16[i0 + 3fftLen/4] */
+        i1 = i0 + n2;
+        i2 = i1 + n2;
+        i3 = i2 + n2;
+
+        /*  Reading i0, i0+fftLen/2 inputs */
+        /* Read ya (real), xa(imag) input */
+        T = _SIMD32_OFFSET(pSrc16 + (2u * i0));
+
+        /* Read yc (real), xc(imag) input */
+        S = _SIMD32_OFFSET(pSrc16 + (2u * i2));
+
+        /* R = packed( (ya + yc), (xa + xc)) */
+        R = __QADD16(T, S);
+
+        /* S = packed((ya - yc), (xa - xc)) */
+        S = __QSUB16(T, S);
+
+        /*  Reading i0+fftLen/4 , i0+3fftLen/4 inputs */
+        /* Read yb (real), xb(imag) input */
+        T = _SIMD32_OFFSET(pSrc16 + (2u * i1));
+
+        /* Read yd (real), xd(imag) input */
+        U = _SIMD32_OFFSET(pSrc16 + (2u * i3));
+
+        /* T = packed( (yb + yd), (xb + xd)) */
+        T = __QADD16(T, U);
+
+        /*  writing the butterfly processed i0 sample */
+
+        /* xa' = xa + xb + xc + xd */
+        /* ya' = ya + yb + yc + yd */
+        out1 = __SHADD16(R, T);
+        in = ((int16_t) (out1 & 0xFFFF)) >> 1;
+        out1 = ((out1 >> 1) & 0xFFFF0000) | (in & 0xFFFF);
+        _SIMD32_OFFSET(pSrc16 + (2u * i0)) = out1;
+
+        /* R = packed( (ya + yc) - (yb + yd), (xa + xc) - (xb + xd)) */
+        R = __SHSUB16(R, T);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        /* (ya-yb+yc-yd)* (si2) + (xa-xb+xc-xd)* co2 */
+        out1 = __SMUAD(C2, R) >> 16u;
+
+        /* (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2) */
+        out2 = __SMUSDX(C2, R);
+
+#else
+
+        /* (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2) */
+        out1 = __SMUSDX(R, C2) >> 16u;
+
+        /* (ya-yb+yc-yd)* (si2) + (xa-xb+xc-xd)* co2 */
+        out2 = __SMUAD(C2, R);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+        /*  Reading i0+3fftLen/4 */
+        /* Read yb (real), xb(imag) input */
+        T = _SIMD32_OFFSET(pSrc16 + (2u * i1));
+
+        /*  writing the butterfly processed i0 + fftLen/4 sample */
+        /* xc' = (xa-xb+xc-xd)* co2 + (ya-yb+yc-yd)* (si2) */
+        /* yc' = (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2) */
+        _SIMD32_OFFSET(pSrc16 + (2u * i1)) =
+          ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+        /*  Butterfly calculations */
+
+        /* Read yd (real), xd(imag) input */
+        U = _SIMD32_OFFSET(pSrc16 + (2u * i3));
+
+        /* T = packed(yb-yd, xb-xd) */
+        T = __QSUB16(T, U);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        /* R = packed((ya-yc) + (xb- xd) , (xa-xc) - (yb-yd)) */
+        R = __SHASX(S, T);
+
+        /* S = packed((ya-yc) - (xb- xd),  (xa-xc) + (yb-yd)) */
+        S = __SHSAX(S, T);
+
+
+        /*  Butterfly process for the i0+fftLen/2 sample */
+        out1 = __SMUAD(C1, S) >> 16u;
+        out2 = __SMUSDX(C1, S);
+
+#else
+
+        /* R = packed((ya-yc) + (xb- xd) , (xa-xc) - (yb-yd)) */
+        R = __SHSAX(S, T);
+
+        /* S = packed((ya-yc) - (xb- xd),  (xa-xc) + (yb-yd)) */
+        S = __SHASX(S, T);
+
+
+        /*  Butterfly process for the i0+fftLen/2 sample */
+        out1 = __SMUSDX(S, C1) >> 16u;
+        out2 = __SMUAD(C1, S);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+        /* xb' = (xa+yb-xc-yd)* co1 + (ya-xb-yc+xd)* (si1) */
+        /* yb' = (ya-xb-yc+xd)* co1 - (xa+yb-xc-yd)* (si1) */
+        _SIMD32_OFFSET(pSrc16 + (2u * i2)) =
+          ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+        /*  Butterfly process for the i0+3fftLen/4 sample */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        out1 = __SMUAD(C3, R) >> 16u;
+        out2 = __SMUSDX(C3, R);
+
+#else
+
+        out1 = __SMUSDX(R, C3) >> 16u;
+        out2 = __SMUAD(C3, R);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+        /* xd' = (xa-yb-xc+yd)* co3 + (ya+xb-yc-xd)* (si3) */
+        /* yd' = (ya+xb-yc-xd)* co3 - (xa-yb-xc+yd)* (si3) */
+        _SIMD32_OFFSET(pSrc16 + (2u * i3)) =
+          ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+      }
+    }
+    /*  Twiddle coefficients index modifier */
+    twidCoefModifier <<= 2u;
+  }
+  /* end of middle stage process */
+
+
+  /* data is in 10.6(q6) format for the 1024 point */
+  /* data is in 8.8(q8) format for the 256 point */
+  /* data is in 6.10(q10) format for the 64 point */
+  /* data is in 4.12(q12) format for the 16 point */
+
+  /*  Initializations for the last stage */
+  j = fftLen >> 2;
+
+  ptr1 = &pSrc16[0];
+
+  /* start of last stage process */
+
+  /*  Butterfly implementation */
+  do
+  {
+    /* Read xa (real), ya(imag) input */
+    xaya = *__SIMD32(ptr1)++;
+
+    /* Read xb (real), yb(imag) input */
+    xbyb = *__SIMD32(ptr1)++;
+
+    /* Read xc (real), yc(imag) input */
+    xcyc = *__SIMD32(ptr1)++;
+
+    /* Read xd (real), yd(imag) input */
+    xdyd = *__SIMD32(ptr1)++;
+
+    /* R = packed((ya + yc), (xa + xc)) */
+    R = __QADD16(xaya, xcyc);
+
+    /* T = packed((yb + yd), (xb + xd)) */
+    T = __QADD16(xbyb, xdyd);
+
+    /* pointer updation for writing */
+    ptr1 = ptr1 - 8u;
+
+
+    /* xa' = xa + xb + xc + xd */
+    /* ya' = ya + yb + yc + yd */
+    *__SIMD32(ptr1)++ = __SHADD16(R, T);
+
+    /* T = packed((yb + yd), (xb + xd)) */
+    T = __QADD16(xbyb, xdyd);
+
+    /* xc' = (xa-xb+xc-xd) */
+    /* yc' = (ya-yb+yc-yd) */
+    *__SIMD32(ptr1)++ = __SHSUB16(R, T);
+
+    /* S = packed((ya - yc), (xa - xc)) */
+    S = __QSUB16(xaya, xcyc);
+
+    /* Read yd (real), xd(imag) input */
+    /* T = packed( (yb - yd), (xb - xd))  */
+    U = __QSUB16(xbyb, xdyd);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    /* xb' = (xa+yb-xc-yd) */
+    /* yb' = (ya-xb-yc+xd) */
+    *__SIMD32(ptr1)++ = __SHSAX(S, U);
+
+
+    /* xd' = (xa-yb-xc+yd) */
+    /* yd' = (ya+xb-yc-xd) */
+    *__SIMD32(ptr1)++ = __SHASX(S, U);
+
+#else
+
+    /* xb' = (xa+yb-xc-yd) */
+    /* yb' = (ya-xb-yc+xd) */
+    *__SIMD32(ptr1)++ = __SHASX(S, U);
+
+
+    /* xd' = (xa-yb-xc+yd) */
+    /* yd' = (ya+xb-yc-xd) */
+    *__SIMD32(ptr1)++ = __SHSAX(S, U);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+  } while(--j);
+
+  /* end of last stage process */
+
+  /* output is in 11.5(q5) format for the 1024 point */
+  /* output is in 9.7(q7) format for the 256 point   */
+  /* output is in 7.9(q9) format for the 64 point  */
+  /* output is in 5.11(q11) format for the 16 point  */
+
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q15_t R0, R1, S0, S1, T0, T1, U0, U1;
+  q15_t Co1, Si1, Co2, Si2, Co3, Si3, out1, out2;
+  uint32_t n1, n2, ic, i0, i1, i2, i3, j, k;
+
+  /* Total process is divided into three stages */
+
+  /* process first stage, middle stages, & last stage */
+
+  /*  Initializations for the first stage */
+  n2 = fftLen;
+  n1 = n2;
+
+  /* n2 = fftLen/4 */
+  n2 >>= 2u;
+
+  /* Index for twiddle coefficient */
+  ic = 0u;
+
+  /* Index for input read and output write */
+  i0 = 0u;
+  j = n2;
+
+  /* Input is in 1.15(q15) format */
+
+  /*  start of first stage process */
+  do
+  {
+    /*  Butterfly implementation */
+
+    /*  index calculation for the input as, */
+    /*  pSrc16[i0 + 0], pSrc16[i0 + fftLen/4], pSrc16[i0 + fftLen/2], pSrc16[i0 + 3fftLen/4] */
+    i1 = i0 + n2;
+    i2 = i1 + n2;
+    i3 = i2 + n2;
+
+    /*  Reading i0, i0+fftLen/2 inputs */
+
+    /* input is down scale by 4 to avoid overflow */
+    /* Read ya (real), xa(imag) input */
+    T0 = pSrc16[i0 * 2u] >> 2u;
+    T1 = pSrc16[(i0 * 2u) + 1u] >> 2u;
+
+    /* input is down scale by 4 to avoid overflow */
+    /* Read yc (real), xc(imag) input */
+    S0 = pSrc16[i2 * 2u] >> 2u;
+    S1 = pSrc16[(i2 * 2u) + 1u] >> 2u;
+
+    /* R0 = (ya + yc) */
+    R0 = __SSAT(T0 + S0, 16u);
+    /* R1 = (xa + xc) */
+    R1 = __SSAT(T1 + S1, 16u);
+
+    /* S0 = (ya - yc) */
+    S0 = __SSAT(T0 - S0, 16);
+    /* S1 = (xa - xc) */
+    S1 = __SSAT(T1 - S1, 16);
+
+    /*  Reading i0+fftLen/4 , i0+3fftLen/4 inputs */
+    /* input is down scale by 4 to avoid overflow */
+    /* Read yb (real), xb(imag) input */
+    T0 = pSrc16[i1 * 2u] >> 2u;
+    T1 = pSrc16[(i1 * 2u) + 1u] >> 2u;
+
+    /* input is down scale by 4 to avoid overflow */
+    /* Read yd (real), xd(imag) input */
+    U0 = pSrc16[i3 * 2u] >> 2u;
+    U1 = pSrc16[(i3 * 2u) + 1] >> 2u;
+
+    /* T0 = (yb + yd) */
+    T0 = __SSAT(T0 + U0, 16u);
+    /* T1 = (xb + xd) */
+    T1 = __SSAT(T1 + U1, 16u);
+
+    /*  writing the butterfly processed i0 sample */
+    /* ya' = ya + yb + yc + yd */
+    /* xa' = xa + xb + xc + xd */
+    pSrc16[i0 * 2u] = (R0 >> 1u) + (T0 >> 1u);
+    pSrc16[(i0 * 2u) + 1u] = (R1 >> 1u) + (T1 >> 1u);
+
+    /* R0 = (ya + yc) - (yb + yd) */
+    /* R1 = (xa + xc) - (xb + xd) */
+    R0 = __SSAT(R0 - T0, 16u);
+    R1 = __SSAT(R1 - T1, 16u);
+
+    /* co2 & si2 are read from Coefficient pointer */
+    Co2 = pCoef16[2u * ic * 2u];
+    Si2 = pCoef16[(2u * ic * 2u) + 1];
+
+    /* xc' = (xa-xb+xc-xd)* co2 + (ya-yb+yc-yd)* (si2) */
+    out1 = (short) ((Co2 * R0 + Si2 * R1) >> 16u);
+    /* yc' = (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2) */
+    out2 = (short) ((-Si2 * R0 + Co2 * R1) >> 16u);
+
+    /*  Reading i0+fftLen/4 */
+    /* input is down scale by 4 to avoid overflow */
+    /* T0 = yb, T1 =  xb */
+    T0 = pSrc16[i1 * 2u] >> 2;
+    T1 = pSrc16[(i1 * 2u) + 1] >> 2;
+
+    /* writing the butterfly processed i0 + fftLen/4 sample */
+    /* writing output(xc', yc') in little endian format */
+    pSrc16[i1 * 2u] = out1;
+    pSrc16[(i1 * 2u) + 1] = out2;
+
+    /*  Butterfly calculations */
+    /* input is down scale by 4 to avoid overflow */
+    /* U0 = yd, U1 = xd */
+    U0 = pSrc16[i3 * 2u] >> 2;
+    U1 = pSrc16[(i3 * 2u) + 1] >> 2;
+    /* T0 = yb-yd */
+    T0 = __SSAT(T0 - U0, 16);
+    /* T1 = xb-xd */
+    T1 = __SSAT(T1 - U1, 16);
+
+    /* R1 = (ya-yc) + (xb- xd),  R0 = (xa-xc) - (yb-yd)) */
+    R0 = (short) __SSAT((q31_t) (S0 - T1), 16);
+    R1 = (short) __SSAT((q31_t) (S1 + T0), 16);
+
+    /* S1 = (ya-yc) - (xb- xd), S0 = (xa-xc) + (yb-yd)) */
+    S0 = (short) __SSAT(((q31_t) S0 + T1), 16u);
+    S1 = (short) __SSAT(((q31_t) S1 - T0), 16u);
+
+    /* co1 & si1 are read from Coefficient pointer */
+    Co1 = pCoef16[ic * 2u];
+    Si1 = pCoef16[(ic * 2u) + 1];
+    /*  Butterfly process for the i0+fftLen/2 sample */
+    /* xb' = (xa+yb-xc-yd)* co1 + (ya-xb-yc+xd)* (si1) */
+    out1 = (short) ((Si1 * S1 + Co1 * S0) >> 16);
+    /* yb' = (ya-xb-yc+xd)* co1 - (xa+yb-xc-yd)* (si1) */
+    out2 = (short) ((-Si1 * S0 + Co1 * S1) >> 16);
+
+    /* writing output(xb', yb') in little endian format */
+    pSrc16[i2 * 2u] = out1;
+    pSrc16[(i2 * 2u) + 1] = out2;
+
+    /* Co3 & si3 are read from Coefficient pointer */
+    Co3 = pCoef16[3u * (ic * 2u)];
+    Si3 = pCoef16[(3u * (ic * 2u)) + 1];
+    /*  Butterfly process for the i0+3fftLen/4 sample */
+    /* xd' = (xa-yb-xc+yd)* Co3 + (ya+xb-yc-xd)* (si3) */
+    out1 = (short) ((Si3 * R1 + Co3 * R0) >> 16u);
+    /* yd' = (ya+xb-yc-xd)* Co3 - (xa-yb-xc+yd)* (si3) */
+    out2 = (short) ((-Si3 * R0 + Co3 * R1) >> 16u);
+    /* writing output(xd', yd') in little endian format */
+    pSrc16[i3 * 2u] = out1;
+    pSrc16[(i3 * 2u) + 1] = out2;
+
+    /*  Twiddle coefficients index modifier */
+    ic = ic + twidCoefModifier;
+
+    /*  Updating input index */
+    i0 = i0 + 1u;
+
+  } while(--j);
+  /* data is in 4.11(q11) format */
+
+  /* end of first stage process */
+
+
+  /* start of middle stage process */
+
+  /*  Twiddle coefficients index modifier */
+  twidCoefModifier <<= 2u;
+
+  /*  Calculation of Middle stage */
+  for (k = fftLen / 4u; k > 4u; k >>= 2u)
+  {
+    /*  Initializations for the middle stage */
+    n1 = n2;
+    n2 >>= 2u;
+    ic = 0u;
+
+    for (j = 0u; j <= (n2 - 1u); j++)
+    {
+      /*  index calculation for the coefficients */
+      Co1 = pCoef16[ic * 2u];
+      Si1 = pCoef16[(ic * 2u) + 1u];
+      Co2 = pCoef16[2u * (ic * 2u)];
+      Si2 = pCoef16[(2u * (ic * 2u)) + 1u];
+      Co3 = pCoef16[3u * (ic * 2u)];
+      Si3 = pCoef16[(3u * (ic * 2u)) + 1u];
+
+      /*  Twiddle coefficients index modifier */
+      ic = ic + twidCoefModifier;
+
+      /*  Butterfly implementation */
+      for (i0 = j; i0 < fftLen; i0 += n1)
+      {
+        /*  index calculation for the input as, */
+        /*  pSrc16[i0 + 0], pSrc16[i0 + fftLen/4], pSrc16[i0 + fftLen/2], pSrc16[i0 + 3fftLen/4] */
+        i1 = i0 + n2;
+        i2 = i1 + n2;
+        i3 = i2 + n2;
+
+        /*  Reading i0, i0+fftLen/2 inputs */
+        /* Read ya (real), xa(imag) input */
+        T0 = pSrc16[i0 * 2u];
+        T1 = pSrc16[(i0 * 2u) + 1u];
+
+        /* Read yc (real), xc(imag) input */
+        S0 = pSrc16[i2 * 2u];
+        S1 = pSrc16[(i2 * 2u) + 1u];
+
+        /* R0 = (ya + yc), R1 = (xa + xc) */
+        R0 = __SSAT(T0 + S0, 16);
+        R1 = __SSAT(T1 + S1, 16);
+
+        /* S0 = (ya - yc), S1 =(xa - xc) */
+        S0 = __SSAT(T0 - S0, 16);
+        S1 = __SSAT(T1 - S1, 16);
+
+        /*  Reading i0+fftLen/4 , i0+3fftLen/4 inputs */
+        /* Read yb (real), xb(imag) input */
+        T0 = pSrc16[i1 * 2u];
+        T1 = pSrc16[(i1 * 2u) + 1u];
+
+        /* Read yd (real), xd(imag) input */
+        U0 = pSrc16[i3 * 2u];
+        U1 = pSrc16[(i3 * 2u) + 1u];
+
+
+        /* T0 = (yb + yd), T1 = (xb + xd) */
+        T0 = __SSAT(T0 + U0, 16);
+        T1 = __SSAT(T1 + U1, 16);
+
+        /*  writing the butterfly processed i0 sample */
+
+        /* xa' = xa + xb + xc + xd */
+        /* ya' = ya + yb + yc + yd */
+        out1 = ((R0 >> 1u) + (T0 >> 1u)) >> 1u;
+        out2 = ((R1 >> 1u) + (T1 >> 1u)) >> 1u;
+
+        pSrc16[i0 * 2u] = out1;
+        pSrc16[(2u * i0) + 1u] = out2;
+
+        /* R0 = (ya + yc) - (yb + yd), R1 = (xa + xc) - (xb + xd) */
+        R0 = (R0 >> 1u) - (T0 >> 1u);
+        R1 = (R1 >> 1u) - (T1 >> 1u);
+
+        /* (ya-yb+yc-yd)* (si2) + (xa-xb+xc-xd)* co2 */
+        out1 = (short) ((Co2 * R0 + Si2 * R1) >> 16u);
+
+        /* (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2) */
+        out2 = (short) ((-Si2 * R0 + Co2 * R1) >> 16u);
+
+        /*  Reading i0+3fftLen/4 */
+        /* Read yb (real), xb(imag) input */
+        T0 = pSrc16[i1 * 2u];
+        T1 = pSrc16[(i1 * 2u) + 1u];
+
+        /*  writing the butterfly processed i0 + fftLen/4 sample */
+        /* xc' = (xa-xb+xc-xd)* co2 + (ya-yb+yc-yd)* (si2) */
+        /* yc' = (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2) */
+        pSrc16[i1 * 2u] = out1;
+        pSrc16[(i1 * 2u) + 1u] = out2;
+
+        /*  Butterfly calculations */
+
+        /* Read yd (real), xd(imag) input */
+        U0 = pSrc16[i3 * 2u];
+        U1 = pSrc16[(i3 * 2u) + 1u];
+
+        /* T0 = yb-yd, T1 = xb-xd */
+        T0 = __SSAT(T0 - U0, 16);
+        T1 = __SSAT(T1 - U1, 16);
+
+        /* R0 = (ya-yc) + (xb- xd), R1 = (xa-xc) - (yb-yd)) */
+        R0 = (S0 >> 1u) - (T1 >> 1u);
+        R1 = (S1 >> 1u) + (T0 >> 1u);
+
+        /* S0 = (ya-yc) - (xb- xd), S1 = (xa-xc) + (yb-yd)) */
+        S0 = (S0 >> 1u) + (T1 >> 1u);
+        S1 = (S1 >> 1u) - (T0 >> 1u);
+
+        /*  Butterfly process for the i0+fftLen/2 sample */
+        out1 = (short) ((Co1 * S0 + Si1 * S1) >> 16u);
+
+        out2 = (short) ((-Si1 * S0 + Co1 * S1) >> 16u);
+
+        /* xb' = (xa+yb-xc-yd)* co1 + (ya-xb-yc+xd)* (si1) */
+        /* yb' = (ya-xb-yc+xd)* co1 - (xa+yb-xc-yd)* (si1) */
+        pSrc16[i2 * 2u] = out1;
+        pSrc16[(i2 * 2u) + 1u] = out2;
+
+        /*  Butterfly process for the i0+3fftLen/4 sample */
+        out1 = (short) ((Si3 * R1 + Co3 * R0) >> 16u);
+
+        out2 = (short) ((-Si3 * R0 + Co3 * R1) >> 16u);
+        /* xd' = (xa-yb-xc+yd)* Co3 + (ya+xb-yc-xd)* (si3) */
+        /* yd' = (ya+xb-yc-xd)* Co3 - (xa-yb-xc+yd)* (si3) */
+        pSrc16[i3 * 2u] = out1;
+        pSrc16[(i3 * 2u) + 1u] = out2;
+      }
+    }
+    /*  Twiddle coefficients index modifier */
+    twidCoefModifier <<= 2u;
+  }
+  /* end of middle stage process */
+
+
+  /* data is in 10.6(q6) format for the 1024 point */
+  /* data is in 8.8(q8) format for the 256 point */
+  /* data is in 6.10(q10) format for the 64 point */
+  /* data is in 4.12(q12) format for the 16 point */
+
+  /*  Initializations for the last stage */
+  n1 = n2;
+  n2 >>= 2u;
+
+  /* start of last stage process */
+
+  /*  Butterfly implementation */
+  for (i0 = 0u; i0 <= (fftLen - n1); i0 += n1)
+  {
+    /*  index calculation for the input as, */
+    /*  pSrc16[i0 + 0], pSrc16[i0 + fftLen/4], pSrc16[i0 + fftLen/2], pSrc16[i0 + 3fftLen/4] */
+    i1 = i0 + n2;
+    i2 = i1 + n2;
+    i3 = i2 + n2;
+
+    /*  Reading i0, i0+fftLen/2 inputs */
+    /* Read ya (real), xa(imag) input */
+    T0 = pSrc16[i0 * 2u];
+    T1 = pSrc16[(i0 * 2u) + 1u];
+
+    /* Read yc (real), xc(imag) input */
+    S0 = pSrc16[i2 * 2u];
+    S1 = pSrc16[(i2 * 2u) + 1u];
+
+    /* R0 = (ya + yc), R1 = (xa + xc) */
+    R0 = __SSAT(T0 + S0, 16u);
+    R1 = __SSAT(T1 + S1, 16u);
+
+    /* S0 = (ya - yc), S1 = (xa - xc) */
+    S0 = __SSAT(T0 - S0, 16u);
+    S1 = __SSAT(T1 - S1, 16u);
+
+    /*  Reading i0+fftLen/4 , i0+3fftLen/4 inputs */
+    /* Read yb (real), xb(imag) input */
+    T0 = pSrc16[i1 * 2u];
+    T1 = pSrc16[(i1 * 2u) + 1u];
+    /* Read yd (real), xd(imag) input */
+    U0 = pSrc16[i3 * 2u];
+    U1 = pSrc16[(i3 * 2u) + 1u];
+
+    /* T0 = (yb + yd), T1 = (xb + xd)) */
+    T0 = __SSAT(T0 + U0, 16u);
+    T1 = __SSAT(T1 + U1, 16u);
+
+    /*  writing the butterfly processed i0 sample */
+    /* xa' = xa + xb + xc + xd */
+    /* ya' = ya + yb + yc + yd */
+    pSrc16[i0 * 2u] = (R0 >> 1u) + (T0 >> 1u);
+    pSrc16[(i0 * 2u) + 1u] = (R1 >> 1u) + (T1 >> 1u);
+
+    /* R0 = (ya + yc) - (yb + yd), R1 = (xa + xc) - (xb + xd) */
+    R0 = (R0 >> 1u) - (T0 >> 1u);
+    R1 = (R1 >> 1u) - (T1 >> 1u);
+    /* Read yb (real), xb(imag) input */
+    T0 = pSrc16[i1 * 2u];
+    T1 = pSrc16[(i1 * 2u) + 1u];
+
+    /*  writing the butterfly processed i0 + fftLen/4 sample */
+    /* xc' = (xa-xb+xc-xd) */
+    /* yc' = (ya-yb+yc-yd) */
+    pSrc16[i1 * 2u] = R0;
+    pSrc16[(i1 * 2u) + 1u] = R1;
+
+    /* Read yd (real), xd(imag) input */
+    U0 = pSrc16[i3 * 2u];
+    U1 = pSrc16[(i3 * 2u) + 1u];
+    /* T0 = (yb - yd), T1 = (xb - xd)  */
+    T0 = __SSAT(T0 - U0, 16u);
+    T1 = __SSAT(T1 - U1, 16u);
+
+    /*  writing the butterfly processed i0 + fftLen/2 sample */
+    /* xb' = (xa+yb-xc-yd) */
+    /* yb' = (ya-xb-yc+xd) */
+    pSrc16[i2 * 2u] = (S0 >> 1u) + (T1 >> 1u);
+    pSrc16[(i2 * 2u) + 1u] = (S1 >> 1u) - (T0 >> 1u);
+
+    /*  writing the butterfly processed i0 + 3fftLen/4 sample */
+    /* xd' = (xa-yb-xc+yd) */
+    /* yd' = (ya+xb-yc-xd) */
+    pSrc16[i3 * 2u] = (S0 >> 1u) - (T1 >> 1u);
+    pSrc16[(i3 * 2u) + 1u] = (S1 >> 1u) + (T0 >> 1u);
+
+  }
+
+  /* end of last stage process */
+
+  /* output is in 11.5(q5) format for the 1024 point */
+  /* output is in 9.7(q7) format for the 256 point   */
+  /* output is in 7.9(q9) format for the 64 point  */
+  /* output is in 5.11(q11) format for the 16 point  */
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+
+/**    
+ * @brief  Core function for the Q15 CIFFT butterfly process.   
+ * @param[in, out] *pSrc16          points to the in-place buffer of Q15 data type.   
+ * @param[in]      fftLen           length of the FFT.   
+ * @param[in]      *pCoef16         points to twiddle coefficient buffer.   
+ * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.   
+ * @return none.   
+ */
+
+/*    
+* Radix-4 IFFT algorithm used is :    
+*    
+* CIFFT uses same twiddle coefficients as CFFT function    
+*  x[k] = x[n] + (j)k * x[n + fftLen/4] + (-1)k * x[n+fftLen/2] + (-j)k * x[n+3*fftLen/4]    
+*    
+*    
+* IFFT is implemented with following changes in equations from FFT    
+*    
+* Input real and imaginary data:    
+* x(n) = xa + j * ya    
+* x(n+N/4 ) = xb + j * yb    
+* x(n+N/2 ) = xc + j * yc    
+* x(n+3N 4) = xd + j * yd    
+*    
+*    
+* Output real and imaginary data:    
+* x(4r) = xa'+ j * ya'    
+* x(4r+1) = xb'+ j * yb'    
+* x(4r+2) = xc'+ j * yc'    
+* x(4r+3) = xd'+ j * yd'    
+*    
+*    
+* Twiddle factors for radix-4 IFFT:    
+* Wn = co1 + j * (si1)    
+* W2n = co2 + j * (si2)    
+* W3n = co3 + j * (si3)    
+    
+* The real and imaginary output values for the radix-4 butterfly are    
+* xa' = xa + xb + xc + xd    
+* ya' = ya + yb + yc + yd    
+* xb' = (xa-yb-xc+yd)* co1 - (ya+xb-yc-xd)* (si1)    
+* yb' = (ya+xb-yc-xd)* co1 + (xa-yb-xc+yd)* (si1)    
+* xc' = (xa-xb+xc-xd)* co2 - (ya-yb+yc-yd)* (si2)    
+* yc' = (ya-yb+yc-yd)* co2 + (xa-xb+xc-xd)* (si2)    
+* xd' = (xa+yb-xc-yd)* co3 - (ya-xb-yc+xd)* (si3)    
+* yd' = (ya-xb-yc+xd)* co3 + (xa+yb-xc-yd)* (si3)    
+*    
+*/
+
+void arm_radix4_butterfly_inverse_q15(
+  q15_t * pSrc16,
+  uint32_t fftLen,
+  q15_t * pCoef16,
+  uint32_t twidCoefModifier)
+{
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  q31_t R, S, T, U;
+  q31_t C1, C2, C3, out1, out2;
+  uint32_t n1, n2, ic, i0, i1, i2, i3, j, k;
+  q15_t in;
+
+  q15_t *ptr1;
+
+
+
+  q31_t xaya, xbyb, xcyc, xdyd;
+
+  /* Total process is divided into three stages */
+
+  /* process first stage, middle stages, & last stage */
+
+  /*  Initializations for the first stage */
+  n2 = fftLen;
+  n1 = n2;
+
+  /* n2 = fftLen/4 */
+  n2 >>= 2u;
+
+  /* Index for twiddle coefficient */
+  ic = 0u;
+
+  /* Index for input read and output write */
+  i0 = 0u;
+  j = n2;
+
+  /* Input is in 1.15(q15) format */
+
+  /*  start of first stage process */
+  do
+  {
+    /*  Butterfly implementation */
+
+    /*  index calculation for the input as, */
+    /*  pSrc16[i0 + 0], pSrc16[i0 + fftLen/4], pSrc16[i0 + fftLen/2], pSrc16[i0 + 3fftLen/4] */
+    i1 = i0 + n2;
+    i2 = i1 + n2;
+    i3 = i2 + n2;
+
+    /*  Reading i0, i0+fftLen/2 inputs */
+    /* Read ya (real), xa(imag) input */
+    T = _SIMD32_OFFSET(pSrc16 + (2u * i0));
+    in = ((int16_t) (T & 0xFFFF)) >> 2;
+    T = ((T >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    /* Read yc (real), xc(imag) input */
+    S = _SIMD32_OFFSET(pSrc16 + (2u * i2));
+    in = ((int16_t) (S & 0xFFFF)) >> 2;
+    S = ((S >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    /* R = packed((ya + yc), (xa + xc) ) */
+    R = __QADD16(T, S);
+
+    /* S = packed((ya - yc), (xa - xc) ) */
+    S = __QSUB16(T, S);
+
+    /*  Reading i0+fftLen/4 , i0+3fftLen/4 inputs */
+    /* Read yb (real), xb(imag) input */
+    T = _SIMD32_OFFSET(pSrc16 + (2u * i1));
+    in = ((int16_t) (T & 0xFFFF)) >> 2;
+    T = ((T >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    /* Read yd (real), xd(imag) input */
+    U = _SIMD32_OFFSET(pSrc16 + (2u * i3));
+    in = ((int16_t) (U & 0xFFFF)) >> 2;
+    U = ((U >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    /* T = packed((yb + yd), (xb + xd) ) */
+    T = __QADD16(T, U);
+
+    /*  writing the butterfly processed i0 sample */
+    /* xa' = xa + xb + xc + xd */
+    /* ya' = ya + yb + yc + yd */
+    _SIMD32_OFFSET(pSrc16 + (2u * i0)) = __SHADD16(R, T);
+
+    /* R = packed((ya + yc) - (yb + yd), (xa + xc)- (xb + xd)) */
+    R = __QSUB16(R, T);
+
+    /* co2 & si2 are read from SIMD Coefficient pointer */
+    C2 = _SIMD32_OFFSET(pCoef16 + (4u * ic));
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    /* xc' = (xa-xb+xc-xd)* co2 + (ya-yb+yc-yd)* (si2) */
+    out1 = __SMUSD(C2, R) >> 16u;
+    /* yc' = (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2) */
+    out2 = __SMUADX(C2, R);
+
+#else
+
+    /* xc' = (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2) */
+    out1 = __SMUADX(C2, R) >> 16u;
+    /* yc' = (xa-xb+xc-xd)* co2 + (ya-yb+yc-yd)* (si2) */
+    out2 = __SMUSD(__QSUB16(0, C2), R);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+    /*  Reading i0+fftLen/4 */
+    /* T = packed(yb, xb) */
+    T = _SIMD32_OFFSET(pSrc16 + (2u * i1));
+    in = ((int16_t) (T & 0xFFFF)) >> 2;
+    T = ((T >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    /* writing the butterfly processed i0 + fftLen/4 sample */
+    /* writing output(xc', yc') in little endian format */
+    _SIMD32_OFFSET(pSrc16 + (2u * i1)) =
+      (q31_t) ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+    /*  Butterfly calculations */
+    /* U = packed(yd, xd) */
+    U = _SIMD32_OFFSET(pSrc16 + (2u * i3));
+    in = ((int16_t) (U & 0xFFFF)) >> 2;
+    U = ((U >> 2) & 0xFFFF0000) | (in & 0xFFFF);
+
+    /* T = packed(yb-yd, xb-xd) */
+    T = __QSUB16(T, U);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    /* R = packed((ya-yc) + (xb- xd) , (xa-xc) - (yb-yd)) */
+    R = __QSAX(S, T);
+    /* S = packed((ya-yc) + (xb- xd),  (xa-xc) - (yb-yd)) */
+    S = __QASX(S, T);
+
+#else
+
+    /* R = packed((ya-yc) + (xb- xd) , (xa-xc) - (yb-yd)) */
+    R = __QASX(S, T);
+    /* S = packed((ya-yc) - (xb- xd),  (xa-xc) + (yb-yd)) */
+    S = __QSAX(S, T);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+    /* co1 & si1 are read from SIMD Coefficient pointer */
+    C1 = _SIMD32_OFFSET(pCoef16 + (2u * ic));
+    /*  Butterfly process for the i0+fftLen/2 sample */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    /* xb' = (xa+yb-xc-yd)* co1 + (ya-xb-yc+xd)* (si1) */
+    out1 = __SMUSD(C1, S) >> 16u;
+    /* yb' = (ya-xb-yc+xd)* co1 - (xa+yb-xc-yd)* (si1) */
+    out2 = __SMUADX(C1, S);
+
+#else
+
+    /* xb' = (ya-xb-yc+xd)* co1 - (xa+yb-xc-yd)* (si1) */
+    out1 = __SMUADX(C1, S) >> 16u;
+    /* yb' = (xa+yb-xc-yd)* co1 + (ya-xb-yc+xd)* (si1) */
+    out2 = __SMUSD(__QSUB16(0, C1), S);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+    /* writing output(xb', yb') in little endian format */
+    _SIMD32_OFFSET(pSrc16 + (2u * i2)) =
+      ((out2) & 0xFFFF0000) | ((out1) & 0x0000FFFF);
+
+
+    /* co3 & si3 are read from SIMD Coefficient pointer */
+    C3 = _SIMD32_OFFSET(pCoef16 + (6u * ic));
+    /*  Butterfly process for the i0+3fftLen/4 sample */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    /* xd' = (xa-yb-xc+yd)* co3 + (ya+xb-yc-xd)* (si3) */
+    out1 = __SMUSD(C3, R) >> 16u;
+    /* yd' = (ya+xb-yc-xd)* co3 - (xa-yb-xc+yd)* (si3) */
+    out2 = __SMUADX(C3, R);
+
+#else
+
+    /* xd' = (ya+xb-yc-xd)* co3 - (xa-yb-xc+yd)* (si3) */
+    out1 = __SMUADX(C3, R) >> 16u;
+    /* yd' = (xa-yb-xc+yd)* co3 + (ya+xb-yc-xd)* (si3) */
+    out2 = __SMUSD(__QSUB16(0, C3), R);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+    /* writing output(xd', yd') in little endian format */
+    _SIMD32_OFFSET(pSrc16 + (2u * i3)) =
+      ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+    /*  Twiddle coefficients index modifier */
+    ic = ic + twidCoefModifier;
+
+    /*  Updating input index */
+    i0 = i0 + 1u;
+
+  } while(--j);
+  /* data is in 4.11(q11) format */
+
+  /* end of first stage process */
+
+
+  /* start of middle stage process */
+
+  /*  Twiddle coefficients index modifier */
+  twidCoefModifier <<= 2u;
+
+  /*  Calculation of Middle stage */
+  for (k = fftLen / 4u; k > 4u; k >>= 2u)
+  {
+    /*  Initializations for the middle stage */
+    n1 = n2;
+    n2 >>= 2u;
+    ic = 0u;
+
+    for (j = 0u; j <= (n2 - 1u); j++)
+    {
+      /*  index calculation for the coefficients */
+      C1 = _SIMD32_OFFSET(pCoef16 + (2u * ic));
+      C2 = _SIMD32_OFFSET(pCoef16 + (4u * ic));
+      C3 = _SIMD32_OFFSET(pCoef16 + (6u * ic));
+
+      /*  Twiddle coefficients index modifier */
+      ic = ic + twidCoefModifier;
+
+      /*  Butterfly implementation */
+      for (i0 = j; i0 < fftLen; i0 += n1)
+      {
+        /*  index calculation for the input as, */
+        /*  pSrc16[i0 + 0], pSrc16[i0 + fftLen/4], pSrc16[i0 + fftLen/2], pSrc16[i0 + 3fftLen/4] */
+        i1 = i0 + n2;
+        i2 = i1 + n2;
+        i3 = i2 + n2;
+
+        /*  Reading i0, i0+fftLen/2 inputs */
+        /* Read ya (real), xa(imag) input */
+        T = _SIMD32_OFFSET(pSrc16 + (2u * i0));
+
+        /* Read yc (real), xc(imag) input */
+        S = _SIMD32_OFFSET(pSrc16 + (2u * i2));
+
+        /* R = packed( (ya + yc), (xa + xc)) */
+        R = __QADD16(T, S);
+
+        /* S = packed((ya - yc), (xa - xc)) */
+        S = __QSUB16(T, S);
+
+        /*  Reading i0+fftLen/4 , i0+3fftLen/4 inputs */
+        /* Read yb (real), xb(imag) input */
+        T = _SIMD32_OFFSET(pSrc16 + (2u * i1));
+
+        /* Read yd (real), xd(imag) input */
+        U = _SIMD32_OFFSET(pSrc16 + (2u * i3));
+
+        /* T = packed( (yb + yd), (xb + xd)) */
+        T = __QADD16(T, U);
+
+        /*  writing the butterfly processed i0 sample */
+
+        /* xa' = xa + xb + xc + xd */
+        /* ya' = ya + yb + yc + yd */
+        out1 = __SHADD16(R, T);
+        in = ((int16_t) (out1 & 0xFFFF)) >> 1;
+        out1 = ((out1 >> 1) & 0xFFFF0000) | (in & 0xFFFF);
+        _SIMD32_OFFSET(pSrc16 + (2u * i0)) = out1;
+
+        /* R = packed( (ya + yc) - (yb + yd), (xa + xc) - (xb + xd)) */
+        R = __SHSUB16(R, T);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        /* (ya-yb+yc-yd)* (si2) + (xa-xb+xc-xd)* co2 */
+        out1 = __SMUSD(C2, R) >> 16u;
+
+        /* (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2) */
+        out2 = __SMUADX(C2, R);
+
+#else
+
+        /* (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2) */
+        out1 = __SMUADX(R, C2) >> 16u;
+
+        /* (ya-yb+yc-yd)* (si2) + (xa-xb+xc-xd)* co2 */
+        out2 = __SMUSD(__QSUB16(0, C2), R);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+        /*  Reading i0+3fftLen/4 */
+        /* Read yb (real), xb(imag) input */
+        T = _SIMD32_OFFSET(pSrc16 + (2u * i1));
+
+        /*  writing the butterfly processed i0 + fftLen/4 sample */
+        /* xc' = (xa-xb+xc-xd)* co2 + (ya-yb+yc-yd)* (si2) */
+        /* yc' = (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2) */
+        _SIMD32_OFFSET(pSrc16 + (2u * i1)) =
+          ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+        /*  Butterfly calculations */
+
+        /* Read yd (real), xd(imag) input */
+        U = _SIMD32_OFFSET(pSrc16 + (2u * i3));
+
+        /* T = packed(yb-yd, xb-xd) */
+        T = __QSUB16(T, U);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        /* R = packed((ya-yc) + (xb- xd) , (xa-xc) - (yb-yd)) */
+        R = __SHSAX(S, T);
+
+        /* S = packed((ya-yc) - (xb- xd),  (xa-xc) + (yb-yd)) */
+        S = __SHASX(S, T);
+
+
+        /*  Butterfly process for the i0+fftLen/2 sample */
+        out1 = __SMUSD(C1, S) >> 16u;
+        out2 = __SMUADX(C1, S);
+
+#else
+
+        /* R = packed((ya-yc) + (xb- xd) , (xa-xc) - (yb-yd)) */
+        R = __SHASX(S, T);
+
+        /* S = packed((ya-yc) - (xb- xd),  (xa-xc) + (yb-yd)) */
+        S = __SHSAX(S, T);
+
+
+        /*  Butterfly process for the i0+fftLen/2 sample */
+        out1 = __SMUADX(S, C1) >> 16u;
+        out2 = __SMUSD(__QSUB16(0, C1), S);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+        /* xb' = (xa+yb-xc-yd)* co1 + (ya-xb-yc+xd)* (si1) */
+        /* yb' = (ya-xb-yc+xd)* co1 - (xa+yb-xc-yd)* (si1) */
+        _SIMD32_OFFSET(pSrc16 + (2u * i2)) =
+          ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+
+        /*  Butterfly process for the i0+3fftLen/4 sample */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+        out1 = __SMUSD(C3, R) >> 16u;
+        out2 = __SMUADX(C3, R);
+
+#else
+
+        out1 = __SMUADX(C3, R) >> 16u;
+        out2 = __SMUSD(__QSUB16(0, C3), R);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+        /* xd' = (xa-yb-xc+yd)* co3 + (ya+xb-yc-xd)* (si3) */
+        /* yd' = (ya+xb-yc-xd)* co3 - (xa-yb-xc+yd)* (si3) */
+        _SIMD32_OFFSET(pSrc16 + (2u * i3)) =
+          ((out2) & 0xFFFF0000) | (out1 & 0x0000FFFF);
+      }
+    }
+    /*  Twiddle coefficients index modifier */
+    twidCoefModifier <<= 2u;
+  }
+  /* end of middle stage process */
+
+  /* data is in 10.6(q6) format for the 1024 point */
+  /* data is in 8.8(q8) format for the 256 point */
+  /* data is in 6.10(q10) format for the 64 point */
+  /* data is in 4.12(q12) format for the 16 point */
+
+  /*  Initializations for the last stage */
+  j = fftLen >> 2;
+
+  ptr1 = &pSrc16[0];
+
+  /* start of last stage process */
+
+  /*  Butterfly implementation */
+  do
+  {
+    /* Read xa (real), ya(imag) input */
+    xaya = *__SIMD32(ptr1)++;
+
+    /* Read xb (real), yb(imag) input */
+    xbyb = *__SIMD32(ptr1)++;
+
+    /* Read xc (real), yc(imag) input */
+    xcyc = *__SIMD32(ptr1)++;
+
+    /* Read xd (real), yd(imag) input */
+    xdyd = *__SIMD32(ptr1)++;
+
+    /* R = packed((ya + yc), (xa + xc)) */
+    R = __QADD16(xaya, xcyc);
+
+    /* T = packed((yb + yd), (xb + xd)) */
+    T = __QADD16(xbyb, xdyd);
+
+    /* pointer updation for writing */
+    ptr1 = ptr1 - 8u;
+
+
+    /* xa' = xa + xb + xc + xd */
+    /* ya' = ya + yb + yc + yd */
+    *__SIMD32(ptr1)++ = __SHADD16(R, T);
+
+    /* T = packed((yb + yd), (xb + xd)) */
+    T = __QADD16(xbyb, xdyd);
+
+    /* xc' = (xa-xb+xc-xd) */
+    /* yc' = (ya-yb+yc-yd) */
+    *__SIMD32(ptr1)++ = __SHSUB16(R, T);
+
+    /* S = packed((ya - yc), (xa - xc)) */
+    S = __QSUB16(xaya, xcyc);
+
+    /* Read yd (real), xd(imag) input */
+    /* T = packed( (yb - yd), (xb - xd))  */
+    U = __QSUB16(xbyb, xdyd);
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    /* xb' = (xa+yb-xc-yd) */
+    /* yb' = (ya-xb-yc+xd) */
+    *__SIMD32(ptr1)++ = __SHASX(S, U);
+
+
+    /* xd' = (xa-yb-xc+yd) */
+    /* yd' = (ya+xb-yc-xd) */
+    *__SIMD32(ptr1)++ = __SHSAX(S, U);
+
+#else
+
+    /* xb' = (xa+yb-xc-yd) */
+    /* yb' = (ya-xb-yc+xd) */
+    *__SIMD32(ptr1)++ = __SHSAX(S, U);
+
+
+    /* xd' = (xa-yb-xc+yd) */
+    /* yd' = (ya+xb-yc-xd) */
+    *__SIMD32(ptr1)++ = __SHASX(S, U);
+
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+  } while(--j);
+
+  /* end of last stage  process */
+
+  /* output is in 11.5(q5) format for the 1024 point */
+  /* output is in 9.7(q7) format for the 256 point   */
+  /* output is in 7.9(q9) format for the 64 point  */
+  /* output is in 5.11(q11) format for the 16 point  */
+
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  q15_t R0, R1, S0, S1, T0, T1, U0, U1;
+  q15_t Co1, Si1, Co2, Si2, Co3, Si3, out1, out2;
+  uint32_t n1, n2, ic, i0, i1, i2, i3, j, k;
+
+  /* Total process is divided into three stages */
+
+  /* process first stage, middle stages, & last stage */
+
+  /*  Initializations for the first stage */
+  n2 = fftLen;
+  n1 = n2;
+
+  /* n2 = fftLen/4 */
+  n2 >>= 2u;
+
+  /* Index for twiddle coefficient */
+  ic = 0u;
+
+  /* Index for input read and output write */
+  i0 = 0u;
+
+  j = n2;
+
+  /* Input is in 1.15(q15) format */
+
+  /*  Start of first stage process */
+  do
+  {
+    /*  Butterfly implementation */
+
+    /*  index calculation for the input as, */
+    /*  pSrc16[i0 + 0], pSrc16[i0 + fftLen/4], pSrc16[i0 + fftLen/2], pSrc16[i0 + 3fftLen/4] */
+    i1 = i0 + n2;
+    i2 = i1 + n2;
+    i3 = i2 + n2;
+
+    /*  Reading i0, i0+fftLen/2 inputs */
+    /* input is down scale by 4 to avoid overflow */
+    /* Read ya (real), xa(imag) input */
+    T0 = pSrc16[i0 * 2u] >> 2u;
+    T1 = pSrc16[(i0 * 2u) + 1u] >> 2u;
+    /* input is down scale by 4 to avoid overflow */
+    /* Read yc (real), xc(imag) input */
+    S0 = pSrc16[i2 * 2u] >> 2u;
+    S1 = pSrc16[(i2 * 2u) + 1u] >> 2u;
+
+    /* R0 = (ya + yc), R1 = (xa + xc) */
+    R0 = __SSAT(T0 + S0, 16u);
+    R1 = __SSAT(T1 + S1, 16u);
+    /* S0 = (ya - yc), S1 = (xa - xc) */
+    S0 = __SSAT(T0 - S0, 16u);
+    S1 = __SSAT(T1 - S1, 16u);
+
+    /*  Reading i0+fftLen/4 , i0+3fftLen/4 inputs */
+    /* input is down scale by 4 to avoid overflow */
+    /* Read yb (real), xb(imag) input */
+    T0 = pSrc16[i1 * 2u] >> 2u;
+    T1 = pSrc16[(i1 * 2u) + 1u] >> 2u;
+    /* Read yd (real), xd(imag) input */
+    /* input is down scale by 4 to avoid overflow */
+    U0 = pSrc16[i3 * 2u] >> 2u;
+    U1 = pSrc16[(i3 * 2u) + 1u] >> 2u;
+
+    /* T0 = (yb + yd), T1 = (xb + xd) */
+    T0 = __SSAT(T0 + U0, 16u);
+    T1 = __SSAT(T1 + U1, 16u);
+
+    /*  writing the butterfly processed i0 sample */
+    /* xa' = xa + xb + xc + xd */
+    /* ya' = ya + yb + yc + yd */
+    pSrc16[i0 * 2u] = (R0 >> 1u) + (T0 >> 1u);
+    pSrc16[(i0 * 2u) + 1u] = (R1 >> 1u) + (T1 >> 1u);
+
+    /* R0 = (ya + yc) - (yb + yd), R1 = (xa + xc)- (xb + xd) */
+    R0 = __SSAT(R0 - T0, 16u);
+    R1 = __SSAT(R1 - T1, 16u);
+    /* co2 & si2 are read from Coefficient pointer */
+    Co2 = pCoef16[2u * ic * 2u];
+    Si2 = pCoef16[(2u * ic * 2u) + 1u];
+    /* xc' = (xa-xb+xc-xd)* co2 - (ya-yb+yc-yd)* (si2) */
+    out1 = (short) ((Co2 * R0 - Si2 * R1) >> 16u);
+    /* yc' = (ya-yb+yc-yd)* co2 + (xa-xb+xc-xd)* (si2) */
+    out2 = (short) ((Si2 * R0 + Co2 * R1) >> 16u);
+
+    /*  Reading i0+fftLen/4 */
+    /* input is down scale by 4 to avoid overflow */
+    /* T0 = yb, T1 = xb */
+    T0 = pSrc16[i1 * 2u] >> 2u;
+    T1 = pSrc16[(i1 * 2u) + 1u] >> 2u;
+
+    /* writing the butterfly processed i0 + fftLen/4 sample */
+    /* writing output(xc', yc') in little endian format */
+    pSrc16[i1 * 2u] = out1;
+    pSrc16[(i1 * 2u) + 1u] = out2;
+
+    /*  Butterfly calculations */
+    /* input is down scale by 4 to avoid overflow */
+    /* U0 = yd, U1 = xd) */
+    U0 = pSrc16[i3 * 2u] >> 2u;
+    U1 = pSrc16[(i3 * 2u) + 1u] >> 2u;
+
+    /* T0 = yb-yd, T1 = xb-xd) */
+    T0 = __SSAT(T0 - U0, 16u);
+    T1 = __SSAT(T1 - U1, 16u);
+    /* R0 = (ya-yc) - (xb- xd) , R1 = (xa-xc) + (yb-yd) */
+    R0 = (short) __SSAT((q31_t) (S0 + T1), 16);
+    R1 = (short) __SSAT((q31_t) (S1 - T0), 16);
+    /* S = (ya-yc) + (xb- xd), S1 = (xa-xc) - (yb-yd) */
+    S0 = (short) __SSAT((q31_t) (S0 - T1), 16);
+    S1 = (short) __SSAT((q31_t) (S1 + T0), 16);
+
+    /* co1 & si1 are read from Coefficient pointer */
+    Co1 = pCoef16[ic * 2u];
+    Si1 = pCoef16[(ic * 2u) + 1u];
+    /*  Butterfly process for the i0+fftLen/2 sample */
+    /* xb' = (xa-yb-xc+yd)* co1 - (ya+xb-yc-xd)* (si1) */
+    out1 = (short) ((Co1 * S0 - Si1 * S1) >> 16u);
+    /* yb' = (ya+xb-yc-xd)* co1 + (xa-yb-xc+yd)* (si1) */
+    out2 = (short) ((Si1 * S0 + Co1 * S1) >> 16u);
+    /* writing output(xb', yb') in little endian format */
+    pSrc16[i2 * 2u] = out1;
+    pSrc16[(i2 * 2u) + 1u] = out2;
+
+    /* Co3 & si3 are read from Coefficient pointer */
+    Co3 = pCoef16[3u * ic * 2u];
+    Si3 = pCoef16[(3u * ic * 2u) + 1u];
+    /*  Butterfly process for the i0+3fftLen/4 sample */
+    /* xd' = (xa+yb-xc-yd)* Co3 - (ya-xb-yc+xd)* (si3) */
+    out1 = (short) ((Co3 * R0 - Si3 * R1) >> 16u);
+    /* yd' = (ya-xb-yc+xd)* Co3 + (xa+yb-xc-yd)* (si3) */
+    out2 = (short) ((Si3 * R0 + Co3 * R1) >> 16u);
+    /* writing output(xd', yd') in little endian format */
+    pSrc16[i3 * 2u] = out1;
+    pSrc16[(i3 * 2u) + 1u] = out2;
+
+    /*  Twiddle coefficients index modifier */
+    ic = ic + twidCoefModifier;
+
+    /*  Updating input index */
+    i0 = i0 + 1u;
+
+  } while(--j);
+
+  /*  End of first stage process */
+
+  /* data is in 4.11(q11) format */
+
+
+  /*  Start of Middle stage process */
+
+  /*  Twiddle coefficients index modifier */
+  twidCoefModifier <<= 2u;
+
+  /*  Calculation of Middle stage */
+  for (k = fftLen / 4u; k > 4u; k >>= 2u)
+  {
+    /*  Initializations for the middle stage */
+    n1 = n2;
+    n2 >>= 2u;
+    ic = 0u;
+
+    for (j = 0u; j <= (n2 - 1u); j++)
+    {
+      /*  index calculation for the coefficients */
+      Co1 = pCoef16[ic * 2u];
+      Si1 = pCoef16[(ic * 2u) + 1u];
+      Co2 = pCoef16[2u * ic * 2u];
+      Si2 = pCoef16[2u * ic * 2u + 1u];
+      Co3 = pCoef16[3u * ic * 2u];
+      Si3 = pCoef16[(3u * ic * 2u) + 1u];
+
+      /*  Twiddle coefficients index modifier */
+      ic = ic + twidCoefModifier;
+
+      /*  Butterfly implementation */
+      for (i0 = j; i0 < fftLen; i0 += n1)
+      {
+        /*  index calculation for the input as, */
+        /*  pSrc16[i0 + 0], pSrc16[i0 + fftLen/4], pSrc16[i0 + fftLen/2], pSrc16[i0 + 3fftLen/4] */
+        i1 = i0 + n2;
+        i2 = i1 + n2;
+        i3 = i2 + n2;
+
+        /*  Reading i0, i0+fftLen/2 inputs */
+        /* Read ya (real), xa(imag) input */
+        T0 = pSrc16[i0 * 2u];
+        T1 = pSrc16[(i0 * 2u) + 1u];
+
+        /* Read yc (real), xc(imag) input */
+        S0 = pSrc16[i2 * 2u];
+        S1 = pSrc16[(i2 * 2u) + 1u];
+
+
+        /* R0 = (ya + yc), R1 = (xa + xc) */
+        R0 = __SSAT(T0 + S0, 16u);
+        R1 = __SSAT(T1 + S1, 16u);
+        /* S0 = (ya - yc), S1 = (xa - xc) */
+        S0 = __SSAT(T0 - S0, 16u);
+        S1 = __SSAT(T1 - S1, 16u);
+
+        /*  Reading i0+fftLen/4 , i0+3fftLen/4 inputs */
+        /* Read yb (real), xb(imag) input */
+        T0 = pSrc16[i1 * 2u];
+        T1 = pSrc16[(i1 * 2u) + 1u];
+
+        /* Read yd (real), xd(imag) input */
+        U0 = pSrc16[i3 * 2u];
+        U1 = pSrc16[(i3 * 2u) + 1u];
+
+        /* T0 = (yb + yd), T1 = (xb + xd) */
+        T0 = __SSAT(T0 + U0, 16u);
+        T1 = __SSAT(T1 + U1, 16u);
+
+        /*  writing the butterfly processed i0 sample */
+        /* xa' = xa + xb + xc + xd */
+        /* ya' = ya + yb + yc + yd */
+        pSrc16[i0 * 2u] = ((R0 >> 1u) + (T0 >> 1u)) >> 1u;
+        pSrc16[(i0 * 2u) + 1u] = ((R1 >> 1u) + (T1 >> 1u)) >> 1u;
+
+        /* R0 = (ya + yc) - (yb + yd), R1 = (xa + xc) - (xb + xd) */
+        R0 = (R0 >> 1u) - (T0 >> 1u);
+        R1 = (R1 >> 1u) - (T1 >> 1u);
+
+        /* (ya-yb+yc-yd)* (si2) - (xa-xb+xc-xd)* co2 */
+        out1 = (short) ((Co2 * R0 - Si2 * R1) >> 16);
+        /* (ya-yb+yc-yd)* co2 + (xa-xb+xc-xd)* (si2) */
+        out2 = (short) ((Si2 * R0 + Co2 * R1) >> 16);
+
+        /*  Reading i0+3fftLen/4 */
+        /* Read yb (real), xb(imag) input */
+        T0 = pSrc16[i1 * 2u];
+        T1 = pSrc16[(i1 * 2u) + 1u];
+
+        /*  writing the butterfly processed i0 + fftLen/4 sample */
+        /* xc' = (xa-xb+xc-xd)* co2 - (ya-yb+yc-yd)* (si2) */
+        /* yc' = (ya-yb+yc-yd)* co2 + (xa-xb+xc-xd)* (si2) */
+        pSrc16[i1 * 2u] = out1;
+        pSrc16[(i1 * 2u) + 1u] = out2;
+
+        /*  Butterfly calculations */
+        /* Read yd (real), xd(imag) input */
+        U0 = pSrc16[i3 * 2u];
+        U1 = pSrc16[(i3 * 2u) + 1u];
+
+        /* T0 = yb-yd, T1 = xb-xd) */
+        T0 = __SSAT(T0 - U0, 16u);
+        T1 = __SSAT(T1 - U1, 16u);
+
+        /* R0 = (ya-yc) - (xb- xd) , R1 = (xa-xc) + (yb-yd) */
+        R0 = (S0 >> 1u) + (T1 >> 1u);
+        R1 = (S1 >> 1u) - (T0 >> 1u);
+
+        /* S1 = (ya-yc) + (xb- xd), S1 = (xa-xc) - (yb-yd) */
+        S0 = (S0 >> 1u) - (T1 >> 1u);
+        S1 = (S1 >> 1u) + (T0 >> 1u);
+
+        /*  Butterfly process for the i0+fftLen/2 sample */
+        out1 = (short) ((Co1 * S0 - Si1 * S1) >> 16u);
+        out2 = (short) ((Si1 * S0 + Co1 * S1) >> 16u);
+        /* xb' = (xa-yb-xc+yd)* co1 - (ya+xb-yc-xd)* (si1) */
+        /* yb' = (ya+xb-yc-xd)* co1 + (xa-yb-xc+yd)* (si1) */
+        pSrc16[i2 * 2u] = out1;
+        pSrc16[(i2 * 2u) + 1u] = out2;
+
+        /*  Butterfly process for the i0+3fftLen/4 sample */
+        out1 = (short) ((Co3 * R0 - Si3 * R1) >> 16u);
+
+        out2 = (short) ((Si3 * R0 + Co3 * R1) >> 16u);
+        /* xd' = (xa+yb-xc-yd)* Co3 - (ya-xb-yc+xd)* (si3) */
+        /* yd' = (ya-xb-yc+xd)* Co3 + (xa+yb-xc-yd)* (si3) */
+        pSrc16[i3 * 2u] = out1;
+        pSrc16[(i3 * 2u) + 1u] = out2;
+
+
+      }
+    }
+    /*  Twiddle coefficients index modifier */
+    twidCoefModifier <<= 2u;
+  }
+  /*  End of Middle stages process */
+
+
+  /* data is in 10.6(q6) format for the 1024 point */
+  /* data is in 8.8(q8) format for the 256 point   */
+  /* data is in 6.10(q10) format for the 64 point  */
+  /* data is in 4.12(q12) format for the 16 point  */
+
+  /* start of last stage process */
+
+
+  /*  Initializations for the last stage */
+  n1 = n2;
+  n2 >>= 2u;
+
+  /*  Butterfly implementation */
+  for (i0 = 0u; i0 <= (fftLen - n1); i0 += n1)
+  {
+    /*  index calculation for the input as, */
+    /*  pSrc16[i0 + 0], pSrc16[i0 + fftLen/4], pSrc16[i0 + fftLen/2], pSrc16[i0 + 3fftLen/4] */
+    i1 = i0 + n2;
+    i2 = i1 + n2;
+    i3 = i2 + n2;
+
+    /*  Reading i0, i0+fftLen/2 inputs */
+    /* Read ya (real), xa(imag) input */
+    T0 = pSrc16[i0 * 2u];
+    T1 = pSrc16[(i0 * 2u) + 1u];
+    /* Read yc (real), xc(imag) input */
+    S0 = pSrc16[i2 * 2u];
+    S1 = pSrc16[(i2 * 2u) + 1u];
+
+    /* R0 = (ya + yc), R1 = (xa + xc) */
+    R0 = __SSAT(T0 + S0, 16u);
+    R1 = __SSAT(T1 + S1, 16u);
+    /* S0 = (ya - yc), S1 = (xa - xc) */
+    S0 = __SSAT(T0 - S0, 16u);
+    S1 = __SSAT(T1 - S1, 16u);
+
+    /*  Reading i0+fftLen/4 , i0+3fftLen/4 inputs */
+    /* Read yb (real), xb(imag) input */
+    T0 = pSrc16[i1 * 2u];
+    T1 = pSrc16[(i1 * 2u) + 1u];
+    /* Read yd (real), xd(imag) input */
+    U0 = pSrc16[i3 * 2u];
+    U1 = pSrc16[(i3 * 2u) + 1u];
+
+    /* T0 = (yb + yd), T1 = (xb + xd) */
+    T0 = __SSAT(T0 + U0, 16u);
+    T1 = __SSAT(T1 + U1, 16u);
+
+    /*  writing the butterfly processed i0 sample */
+    /* xa' = xa + xb + xc + xd */
+    /* ya' = ya + yb + yc + yd */
+    pSrc16[i0 * 2u] = (R0 >> 1u) + (T0 >> 1u);
+    pSrc16[(i0 * 2u) + 1u] = (R1 >> 1u) + (T1 >> 1u);
+
+    /* R0 = (ya + yc) - (yb + yd), R1 = (xa + xc) - (xb + xd) */
+    R0 = (R0 >> 1u) - (T0 >> 1u);
+    R1 = (R1 >> 1u) - (T1 >> 1u);
+
+    /* Read yb (real), xb(imag) input */
+    T0 = pSrc16[i1 * 2u];
+    T1 = pSrc16[(i1 * 2u) + 1u];
+
+    /*  writing the butterfly processed i0 + fftLen/4 sample */
+    /* xc' = (xa-xb+xc-xd) */
+    /* yc' = (ya-yb+yc-yd) */
+    pSrc16[i1 * 2u] = R0;
+    pSrc16[(i1 * 2u) + 1u] = R1;
+
+    /* Read yd (real), xd(imag) input */
+    U0 = pSrc16[i3 * 2u];
+    U1 = pSrc16[(i3 * 2u) + 1u];
+    /* T0 = (yb - yd), T1 = (xb - xd) */
+    T0 = __SSAT(T0 - U0, 16u);
+    T1 = __SSAT(T1 - U1, 16u);
+
+    /*  writing the butterfly processed i0 + fftLen/2 sample */
+    /* xb' = (xa-yb-xc+yd) */
+    /* yb' = (ya+xb-yc-xd) */
+    pSrc16[i2 * 2u] = (S0 >> 1u) - (T1 >> 1u);
+    pSrc16[(i2 * 2u) + 1u] = (S1 >> 1u) + (T0 >> 1u);
+
+
+    /*  writing the butterfly processed i0 + 3fftLen/4 sample */
+    /* xd' = (xa+yb-xc-yd) */
+    /* yd' = (ya-xb-yc+xd) */
+    pSrc16[i3 * 2u] = (S0 >> 1u) + (T1 >> 1u);
+    pSrc16[(i3 * 2u) + 1u] = (S1 >> 1u) - (T0 >> 1u);
+  }
+  /* end of last stage  process */
+
+  /* output is in 11.5(q5) format for the 1024 point */
+  /* output is in 9.7(q7) format for the 256 point   */
+  /* output is in 7.9(q9) format for the 64 point  */
+  /* output is in 5.11(q11) format for the 16 point  */
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_q31.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_q31.c
new file mode 100644
index 0000000000..cfa5d8df0e
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_cfft_radix4_q31.c
@@ -0,0 +1,891 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_cfft_radix4_q31.c    
+*    
+* Description:	This file has function definition of Radix-4 FFT & IFFT function and    
+*				In-place bit reversal using bit reversal table    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.5  2010/04/26     
+* 	 incorporated review comments and updated with latest CMSIS layer    
+*    
+* Version 0.0.3  2010/03/10     
+*    Initial version    
+* -------------------------------------------------------------------- */
+#include "arm_math.h"
+
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+/**    
+ * @addtogroup Radix4_CFFT_CIFFT    
+ * @{    
+ */
+
+/**    
+ * @details    
+ * @brief Processing function for the Q31 CFFT/CIFFT.    
+ * @param[in]      *S    points to an instance of the Q31 CFFT/CIFFT structure.   
+ * @param[in, out] *pSrc points to the complex data buffer of size 2*fftLen. Processing occurs in-place.   
+ * @return none.    
+ *     
+ * \par Input and output formats:    
+ * \par    
+ * Internally input is downscaled by 2 for every stage to avoid saturations inside CFFT/CIFFT process.   
+ * Hence the output format is different for different FFT sizes.    
+ * The input and output formats for different FFT sizes and number of bits to upscale are mentioned in the tables below for CFFT and CIFFT:   
+ * \par   
+ * \image html CFFTQ31.gif "Input and Output Formats for Q31 CFFT"    
+ * \image html CIFFTQ31.gif "Input and Output Formats for Q31 CIFFT"    
+ *    
+ */
+
+void arm_cfft_radix4_q31(
+  const arm_cfft_radix4_instance_q31 * S,
+  q31_t * pSrc)
+{
+  if(S->ifftFlag == 1u)
+  {
+    /* Complex IFFT radix-4 */
+    arm_radix4_butterfly_inverse_q31(pSrc, S->fftLen, S->pTwiddle,
+                                     S->twidCoefModifier);
+  }
+  else
+  {
+    /* Complex FFT radix-4 */
+    arm_radix4_butterfly_q31(pSrc, S->fftLen, S->pTwiddle,
+                             S->twidCoefModifier);
+  }
+
+
+  if(S->bitReverseFlag == 1u)
+  {
+    /*  Bit Reversal */
+    arm_bitreversal_q31(pSrc, S->fftLen, S->bitRevFactor, S->pBitRevTable);
+  }
+
+}
+
+/**    
+ * @} end of Radix4_CFFT_CIFFT group    
+ */
+
+/*    
+* Radix-4 FFT algorithm used is :    
+*    
+* Input real and imaginary data:    
+* x(n) = xa + j * ya    
+* x(n+N/4 ) = xb + j * yb    
+* x(n+N/2 ) = xc + j * yc    
+* x(n+3N 4) = xd + j * yd    
+*    
+*    
+* Output real and imaginary data:    
+* x(4r) = xa'+ j * ya'    
+* x(4r+1) = xb'+ j * yb'    
+* x(4r+2) = xc'+ j * yc'    
+* x(4r+3) = xd'+ j * yd'    
+*    
+*    
+* Twiddle factors for radix-4 FFT:    
+* Wn = co1 + j * (- si1)    
+* W2n = co2 + j * (- si2)    
+* W3n = co3 + j * (- si3)    
+*    
+*  Butterfly implementation:    
+* xa' = xa + xb + xc + xd    
+* ya' = ya + yb + yc + yd    
+* xb' = (xa+yb-xc-yd)* co1 + (ya-xb-yc+xd)* (si1)    
+* yb' = (ya-xb-yc+xd)* co1 - (xa+yb-xc-yd)* (si1)    
+* xc' = (xa-xb+xc-xd)* co2 + (ya-yb+yc-yd)* (si2)    
+* yc' = (ya-yb+yc-yd)* co2 - (xa-xb+xc-xd)* (si2)    
+* xd' = (xa-yb-xc+yd)* co3 + (ya+xb-yc-xd)* (si3)    
+* yd' = (ya+xb-yc-xd)* co3 - (xa-yb-xc+yd)* (si3)    
+*    
+*/
+
+/**    
+ * @brief  Core function for the Q31 CFFT butterfly process.   
+ * @param[in, out] *pSrc            points to the in-place buffer of Q31 data type.   
+ * @param[in]      fftLen           length of the FFT.   
+ * @param[in]      *pCoef           points to twiddle coefficient buffer.   
+ * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.   
+ * @return none.   
+ */
+
+void arm_radix4_butterfly_q31(
+  q31_t * pSrc,
+  uint32_t fftLen,
+  q31_t * pCoef,
+  uint32_t twidCoefModifier)
+{
+  uint32_t n1, n2, ia1, ia2, ia3, i0, i1, i2, i3, j, k;
+  q31_t t1, t2, r1, r2, s1, s2, co1, co2, co3, si1, si2, si3;
+
+  q31_t xa, xb, xc, xd;
+  q31_t ya, yb, yc, yd;
+  q31_t xa_out, xb_out, xc_out, xd_out;
+  q31_t ya_out, yb_out, yc_out, yd_out;
+
+  q31_t *ptr1;
+  q63_t xaya, xbyb, xcyc, xdyd;
+  /* Total process is divided into three stages */
+
+  /* process first stage, middle stages, & last stage */
+
+
+  /* start of first stage process */
+
+  /*  Initializations for the first stage */
+  n2 = fftLen;
+  n1 = n2;
+  /* n2 = fftLen/4 */
+  n2 >>= 2u;
+  i0 = 0u;
+  ia1 = 0u;
+
+  j = n2;
+
+  /*  Calculation of first stage */
+  do
+  {
+    /*  index calculation for the input as, */
+    /*  pSrc[i0 + 0], pSrc[i0 + fftLen/4], pSrc[i0 + fftLen/2u], pSrc[i0 + 3fftLen/4] */
+    i1 = i0 + n2;
+    i2 = i1 + n2;
+    i3 = i2 + n2;
+
+    /* input is in 1.31(q31) format and provide 4 guard bits for the input */
+
+    /*  Butterfly implementation */
+    /* xa + xc */
+    r1 = (pSrc[(2u * i0)] >> 4u) + (pSrc[(2u * i2)] >> 4u);
+    /* xa - xc */
+    r2 = (pSrc[2u * i0] >> 4u) - (pSrc[2u * i2] >> 4u);
+
+    /* xb + xd */
+    t1 = (pSrc[2u * i1] >> 4u) + (pSrc[2u * i3] >> 4u);
+
+    /* ya + yc */
+    s1 = (pSrc[(2u * i0) + 1u] >> 4u) + (pSrc[(2u * i2) + 1u] >> 4u);
+    /* ya - yc */
+    s2 = (pSrc[(2u * i0) + 1u] >> 4u) - (pSrc[(2u * i2) + 1u] >> 4u);
+
+    /* xa' = xa + xb + xc + xd */
+    pSrc[2u * i0] = (r1 + t1);
+    /* (xa + xc) - (xb + xd) */
+    r1 = r1 - t1;
+    /* yb + yd */
+    t2 = (pSrc[(2u * i1) + 1u] >> 4u) + (pSrc[(2u * i3) + 1u] >> 4u);
+
+    /* ya' = ya + yb + yc + yd */
+    pSrc[(2u * i0) + 1u] = (s1 + t2);
+
+    /* (ya + yc) - (yb + yd) */
+    s1 = s1 - t2;
+
+    /* yb - yd */
+    t1 = (pSrc[(2u * i1) + 1u] >> 4u) - (pSrc[(2u * i3) + 1u] >> 4u);
+    /* xb - xd */
+    t2 = (pSrc[2u * i1] >> 4u) - (pSrc[2u * i3] >> 4u);
+
+    /*  index calculation for the coefficients */
+    ia2 = 2u * ia1;
+    co2 = pCoef[ia2 * 2u];
+    si2 = pCoef[(ia2 * 2u) + 1u];
+
+    /* xc' = (xa-xb+xc-xd)co2 + (ya-yb+yc-yd)(si2) */
+    pSrc[2u * i1] = (((int32_t) (((q63_t) r1 * co2) >> 32)) +
+                     ((int32_t) (((q63_t) s1 * si2) >> 32))) << 1u;
+
+    /* yc' = (ya-yb+yc-yd)co2 - (xa-xb+xc-xd)(si2) */
+    pSrc[(2u * i1) + 1u] = (((int32_t) (((q63_t) s1 * co2) >> 32)) -
+                            ((int32_t) (((q63_t) r1 * si2) >> 32))) << 1u;
+
+    /* (xa - xc) + (yb - yd) */
+    r1 = r2 + t1;
+    /* (xa - xc) - (yb - yd) */
+    r2 = r2 - t1;
+
+    /* (ya - yc) - (xb - xd) */
+    s1 = s2 - t2;
+    /* (ya - yc) + (xb - xd) */
+    s2 = s2 + t2;
+
+    co1 = pCoef[ia1 * 2u];
+    si1 = pCoef[(ia1 * 2u) + 1u];
+
+    /* xb' = (xa+yb-xc-yd)co1 + (ya-xb-yc+xd)(si1) */
+    pSrc[2u * i2] = (((int32_t) (((q63_t) r1 * co1) >> 32)) +
+                     ((int32_t) (((q63_t) s1 * si1) >> 32))) << 1u;
+
+    /* yb' = (ya-xb-yc+xd)co1 - (xa+yb-xc-yd)(si1) */
+    pSrc[(2u * i2) + 1u] = (((int32_t) (((q63_t) s1 * co1) >> 32)) -
+                            ((int32_t) (((q63_t) r1 * si1) >> 32))) << 1u;
+
+    /*  index calculation for the coefficients */
+    ia3 = 3u * ia1;
+    co3 = pCoef[ia3 * 2u];
+    si3 = pCoef[(ia3 * 2u) + 1u];
+
+    /* xd' = (xa-yb-xc+yd)co3 + (ya+xb-yc-xd)(si3) */
+    pSrc[2u * i3] = (((int32_t) (((q63_t) r2 * co3) >> 32)) +
+                     ((int32_t) (((q63_t) s2 * si3) >> 32))) << 1u;
+
+    /* yd' = (ya+xb-yc-xd)co3 - (xa-yb-xc+yd)(si3) */
+    pSrc[(2u * i3) + 1u] = (((int32_t) (((q63_t) s2 * co3) >> 32)) -
+                            ((int32_t) (((q63_t) r2 * si3) >> 32))) << 1u;
+
+    /*  Twiddle coefficients index modifier */
+    ia1 = ia1 + twidCoefModifier;
+
+    /*  Updating input index */
+    i0 = i0 + 1u;
+
+  } while(--j);
+
+  /* end of first stage process */
+
+  /* data is in 5.27(q27) format */
+
+
+  /* start of Middle stages process */
+
+
+  /* each stage in middle stages provides two down scaling of the input */
+
+  twidCoefModifier <<= 2u;
+
+
+  for (k = fftLen / 4u; k > 4u; k >>= 2u)
+  {
+    /*  Initializations for the first stage */
+    n1 = n2;
+    n2 >>= 2u;
+    ia1 = 0u;
+
+    /*  Calculation of first stage */
+    for (j = 0u; j <= (n2 - 1u); j++)
+    {
+      /*  index calculation for the coefficients */
+      ia2 = ia1 + ia1;
+      ia3 = ia2 + ia1;
+      co1 = pCoef[ia1 * 2u];
+      si1 = pCoef[(ia1 * 2u) + 1u];
+      co2 = pCoef[ia2 * 2u];
+      si2 = pCoef[(ia2 * 2u) + 1u];
+      co3 = pCoef[ia3 * 2u];
+      si3 = pCoef[(ia3 * 2u) + 1u];
+      /*  Twiddle coefficients index modifier */
+      ia1 = ia1 + twidCoefModifier;
+
+      for (i0 = j; i0 < fftLen; i0 += n1)
+      {
+        /*  index calculation for the input as, */
+        /*  pSrc[i0 + 0], pSrc[i0 + fftLen/4], pSrc[i0 + fftLen/2u], pSrc[i0 + 3fftLen/4] */
+        i1 = i0 + n2;
+        i2 = i1 + n2;
+        i3 = i2 + n2;
+
+        /*  Butterfly implementation */
+        /* xa + xc */
+        r1 = pSrc[2u * i0] + pSrc[2u * i2];
+        /* xa - xc */
+        r2 = pSrc[2u * i0] - pSrc[2u * i2];
+
+        /* ya + yc */
+        s1 = pSrc[(2u * i0) + 1u] + pSrc[(2u * i2) + 1u];
+        /* ya - yc */
+        s2 = pSrc[(2u * i0) + 1u] - pSrc[(2u * i2) + 1u];
+
+        /* xb + xd */
+        t1 = pSrc[2u * i1] + pSrc[2u * i3];
+
+        /* xa' = xa + xb + xc + xd */
+        pSrc[2u * i0] = (r1 + t1) >> 2u;
+        /* xa + xc -(xb + xd) */
+        r1 = r1 - t1;
+
+        /* yb + yd */
+        t2 = pSrc[(2u * i1) + 1u] + pSrc[(2u * i3) + 1u];
+        /* ya' = ya + yb + yc + yd */
+        pSrc[(2u * i0) + 1u] = (s1 + t2) >> 2u;
+
+        /* (ya + yc) - (yb + yd) */
+        s1 = s1 - t2;
+
+        /* (yb - yd) */
+        t1 = pSrc[(2u * i1) + 1u] - pSrc[(2u * i3) + 1u];
+        /* (xb - xd) */
+        t2 = pSrc[2u * i1] - pSrc[2u * i3];
+
+        /* xc' = (xa-xb+xc-xd)co2 + (ya-yb+yc-yd)(si2) */
+        pSrc[2u * i1] = (((int32_t) (((q63_t) r1 * co2) >> 32)) +
+                         ((int32_t) (((q63_t) s1 * si2) >> 32))) >> 1u;
+
+        /* yc' = (ya-yb+yc-yd)co2 - (xa-xb+xc-xd)(si2) */
+        pSrc[(2u * i1) + 1u] = (((int32_t) (((q63_t) s1 * co2) >> 32)) -
+                                ((int32_t) (((q63_t) r1 * si2) >> 32))) >> 1u;
+
+        /* (xa - xc) + (yb - yd) */
+        r1 = r2 + t1;
+        /* (xa - xc) - (yb - yd) */
+        r2 = r2 - t1;
+
+        /* (ya - yc) -  (xb - xd) */
+        s1 = s2 - t2;
+        /* (ya - yc) +  (xb - xd) */
+        s2 = s2 + t2;
+
+        /* xb' = (xa+yb-xc-yd)co1 + (ya-xb-yc+xd)(si1) */
+        pSrc[2u * i2] = (((int32_t) (((q63_t) r1 * co1) >> 32)) +
+                         ((int32_t) (((q63_t) s1 * si1) >> 32))) >> 1u;
+
+        /* yb' = (ya-xb-yc+xd)co1 - (xa+yb-xc-yd)(si1) */
+        pSrc[(2u * i2) + 1u] = (((int32_t) (((q63_t) s1 * co1) >> 32)) -
+                                ((int32_t) (((q63_t) r1 * si1) >> 32))) >> 1u;
+
+        /* xd' = (xa-yb-xc+yd)co3 + (ya+xb-yc-xd)(si3) */
+        pSrc[2u * i3] = (((int32_t) (((q63_t) r2 * co3) >> 32)) +
+                         ((int32_t) (((q63_t) s2 * si3) >> 32))) >> 1u;
+
+        /* yd' = (ya+xb-yc-xd)co3 - (xa-yb-xc+yd)(si3) */
+        pSrc[(2u * i3) + 1u] = (((int32_t) (((q63_t) s2 * co3) >> 32)) -
+                                ((int32_t) (((q63_t) r2 * si3) >> 32))) >> 1u;
+      }
+    }
+    twidCoefModifier <<= 2u;
+  }
+
+  /* End of Middle stages process */
+
+  /* data is in 11.21(q21) format for the 1024 point as there are 3 middle stages */
+  /* data is in 9.23(q23) format for the 256 point as there are 2 middle stages */
+  /* data is in 7.25(q25) format for the 64 point as there are 1 middle stage */
+  /* data is in 5.27(q27) format for the 16 point as there are no middle stages */
+
+
+  /* start of Last stage process */
+  /*  Initializations for the last stage */
+  j = fftLen >> 2;
+  ptr1 = &pSrc[0];
+
+  /*  Calculations of last stage */
+  do
+  {
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    /* Read xa (real), ya(imag) input */
+    xaya = *__SIMD64(ptr1)++;
+    xa = (q31_t) xaya;
+    ya = (q31_t) (xaya >> 32);
+
+    /* Read xb (real), yb(imag) input */
+    xbyb = *__SIMD64(ptr1)++;
+    xb = (q31_t) xbyb;
+    yb = (q31_t) (xbyb >> 32);
+
+    /* Read xc (real), yc(imag) input */
+    xcyc = *__SIMD64(ptr1)++;
+    xc = (q31_t) xcyc;
+    yc = (q31_t) (xcyc >> 32);
+
+    /* Read xc (real), yc(imag) input */
+    xdyd = *__SIMD64(ptr1)++;
+    xd = (q31_t) xdyd;
+    yd = (q31_t) (xdyd >> 32);
+
+#else
+
+    /* Read xa (real), ya(imag) input */
+    xaya = *__SIMD64(ptr1)++;
+    ya = (q31_t) xaya;
+    xa = (q31_t) (xaya >> 32);
+
+    /* Read xb (real), yb(imag) input */
+    xbyb = *__SIMD64(ptr1)++;
+    yb = (q31_t) xbyb;
+    xb = (q31_t) (xbyb >> 32);
+
+    /* Read xc (real), yc(imag) input */
+    xcyc = *__SIMD64(ptr1)++;
+    yc = (q31_t) xcyc;
+    xc = (q31_t) (xcyc >> 32);
+
+    /* Read xc (real), yc(imag) input */
+    xdyd = *__SIMD64(ptr1)++;
+    yd = (q31_t) xdyd;
+    xd = (q31_t) (xdyd >> 32);
+
+
+#endif
+
+    /* xa' = xa + xb + xc + xd */
+    xa_out = xa + xb + xc + xd;
+
+    /* ya' = ya + yb + yc + yd */
+    ya_out = ya + yb + yc + yd;
+
+    /* pointer updation for writing */
+    ptr1 = ptr1 - 8u;
+
+    /* writing xa' and ya' */
+    *ptr1++ = xa_out;
+    *ptr1++ = ya_out;
+
+    xc_out = (xa - xb + xc - xd);
+    yc_out = (ya - yb + yc - yd);
+
+    /* writing xc' and yc' */
+    *ptr1++ = xc_out;
+    *ptr1++ = yc_out;
+
+    xb_out = (xa + yb - xc - yd);
+    yb_out = (ya - xb - yc + xd);
+
+    /* writing xb' and yb' */
+    *ptr1++ = xb_out;
+    *ptr1++ = yb_out;
+
+    xd_out = (xa - yb - xc + yd);
+    yd_out = (ya + xb - yc - xd);
+
+    /* writing xd' and yd' */
+    *ptr1++ = xd_out;
+    *ptr1++ = yd_out;
+
+
+  } while(--j);
+
+  /* output is in 11.21(q21) format for the 1024 point */
+  /* output is in 9.23(q23) format for the 256 point */
+  /* output is in 7.25(q25) format for the 64 point */
+  /* output is in 5.27(q27) format for the 16 point */
+
+  /* End of last stage process */
+
+}
+
+
+/**    
+ * @brief  Core function for the Q31 CIFFT butterfly process.   
+ * @param[in, out] *pSrc            points to the in-place buffer of Q31 data type.   
+ * @param[in]      fftLen           length of the FFT.   
+ * @param[in]      *pCoef           points to twiddle coefficient buffer.   
+ * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.   
+ * @return none.   
+ */
+
+
+/*    
+* Radix-4 IFFT algorithm used is :    
+*    
+* CIFFT uses same twiddle coefficients as CFFT Function    
+*  x[k] = x[n] + (j)k * x[n + fftLen/4] + (-1)k * x[n+fftLen/2] + (-j)k * x[n+3*fftLen/4]    
+*    
+*    
+* IFFT is implemented with following changes in equations from FFT    
+*    
+* Input real and imaginary data:    
+* x(n) = xa + j * ya    
+* x(n+N/4 ) = xb + j * yb    
+* x(n+N/2 ) = xc + j * yc    
+* x(n+3N 4) = xd + j * yd    
+*    
+*    
+* Output real and imaginary data:    
+* x(4r) = xa'+ j * ya'    
+* x(4r+1) = xb'+ j * yb'    
+* x(4r+2) = xc'+ j * yc'    
+* x(4r+3) = xd'+ j * yd'    
+*    
+*    
+* Twiddle factors for radix-4 IFFT:    
+* Wn = co1 + j * (si1)    
+* W2n = co2 + j * (si2)    
+* W3n = co3 + j * (si3)    
+    
+* The real and imaginary output values for the radix-4 butterfly are    
+* xa' = xa + xb + xc + xd    
+* ya' = ya + yb + yc + yd    
+* xb' = (xa-yb-xc+yd)* co1 - (ya+xb-yc-xd)* (si1)    
+* yb' = (ya+xb-yc-xd)* co1 + (xa-yb-xc+yd)* (si1)    
+* xc' = (xa-xb+xc-xd)* co2 - (ya-yb+yc-yd)* (si2)    
+* yc' = (ya-yb+yc-yd)* co2 + (xa-xb+xc-xd)* (si2)    
+* xd' = (xa+yb-xc-yd)* co3 - (ya-xb-yc+xd)* (si3)    
+* yd' = (ya-xb-yc+xd)* co3 + (xa+yb-xc-yd)* (si3)    
+*    
+*/
+
+void arm_radix4_butterfly_inverse_q31(
+  q31_t * pSrc,
+  uint32_t fftLen,
+  q31_t * pCoef,
+  uint32_t twidCoefModifier)
+{
+  uint32_t n1, n2, ia1, ia2, ia3, i0, i1, i2, i3, j, k;
+  q31_t t1, t2, r1, r2, s1, s2, co1, co2, co3, si1, si2, si3;
+  q31_t xa, xb, xc, xd;
+  q31_t ya, yb, yc, yd;
+  q31_t xa_out, xb_out, xc_out, xd_out;
+  q31_t ya_out, yb_out, yc_out, yd_out;
+
+  q31_t *ptr1;
+  q63_t xaya, xbyb, xcyc, xdyd;
+
+  /* input is be 1.31(q31) format for all FFT sizes */
+  /* Total process is divided into three stages */
+  /* process first stage, middle stages, & last stage */
+
+  /* Start of first stage process */
+
+  /* Initializations for the first stage */
+  n2 = fftLen;
+  n1 = n2;
+  /* n2 = fftLen/4 */
+  n2 >>= 2u;
+  i0 = 0u;
+  ia1 = 0u;
+
+  j = n2;
+
+  do
+  {
+
+    /* input is in 1.31(q31) format and provide 4 guard bits for the input */
+
+    /*  index calculation for the input as, */
+    /*  pSrc[i0 + 0], pSrc[i0 + fftLen/4], pSrc[i0 + fftLen/2u], pSrc[i0 + 3fftLen/4] */
+    i1 = i0 + n2;
+    i2 = i1 + n2;
+    i3 = i2 + n2;
+
+    /*  Butterfly implementation */
+    /* xa + xc */
+    r1 = (pSrc[2u * i0] >> 4u) + (pSrc[2u * i2] >> 4u);
+    /* xa - xc */
+    r2 = (pSrc[2u * i0] >> 4u) - (pSrc[2u * i2] >> 4u);
+
+    /* xb + xd */
+    t1 = (pSrc[2u * i1] >> 4u) + (pSrc[2u * i3] >> 4u);
+
+    /* ya + yc */
+    s1 = (pSrc[(2u * i0) + 1u] >> 4u) + (pSrc[(2u * i2) + 1u] >> 4u);
+    /* ya - yc */
+    s2 = (pSrc[(2u * i0) + 1u] >> 4u) - (pSrc[(2u * i2) + 1u] >> 4u);
+
+    /* xa' = xa + xb + xc + xd */
+    pSrc[2u * i0] = (r1 + t1);
+    /* (xa + xc) - (xb + xd) */
+    r1 = r1 - t1;
+    /* yb + yd */
+    t2 = (pSrc[(2u * i1) + 1u] >> 4u) + (pSrc[(2u * i3) + 1u] >> 4u);
+    /* ya' = ya + yb + yc + yd */
+    pSrc[(2u * i0) + 1u] = (s1 + t2);
+
+    /* (ya + yc) - (yb + yd) */
+    s1 = s1 - t2;
+
+    /* yb - yd */
+    t1 = (pSrc[(2u * i1) + 1u] >> 4u) - (pSrc[(2u * i3) + 1u] >> 4u);
+    /* xb - xd */
+    t2 = (pSrc[2u * i1] >> 4u) - (pSrc[2u * i3] >> 4u);
+
+    /*  index calculation for the coefficients */
+    ia2 = 2u * ia1;
+    co2 = pCoef[ia2 * 2u];
+    si2 = pCoef[(ia2 * 2u) + 1u];
+
+    /* xc' = (xa-xb+xc-xd)co2 - (ya-yb+yc-yd)(si2) */
+    pSrc[2u * i1] = (((int32_t) (((q63_t) r1 * co2) >> 32)) -
+                     ((int32_t) (((q63_t) s1 * si2) >> 32))) << 1u;
+
+    /* yc' = (ya-yb+yc-yd)co2 + (xa-xb+xc-xd)(si2) */
+    pSrc[2u * i1 + 1u] = (((int32_t) (((q63_t) s1 * co2) >> 32)) +
+                          ((int32_t) (((q63_t) r1 * si2) >> 32))) << 1u;
+
+    /* (xa - xc) - (yb - yd) */
+    r1 = r2 - t1;
+    /* (xa - xc) + (yb - yd) */
+    r2 = r2 + t1;
+
+    /* (ya - yc) + (xb - xd) */
+    s1 = s2 + t2;
+    /* (ya - yc) - (xb - xd) */
+    s2 = s2 - t2;
+
+    co1 = pCoef[ia1 * 2u];
+    si1 = pCoef[(ia1 * 2u) + 1u];
+
+    /* xb' = (xa+yb-xc-yd)co1 - (ya-xb-yc+xd)(si1) */
+    pSrc[2u * i2] = (((int32_t) (((q63_t) r1 * co1) >> 32)) -
+                     ((int32_t) (((q63_t) s1 * si1) >> 32))) << 1u;
+
+    /* yb' = (ya-xb-yc+xd)co1 + (xa+yb-xc-yd)(si1) */
+    pSrc[(2u * i2) + 1u] = (((int32_t) (((q63_t) s1 * co1) >> 32)) +
+                            ((int32_t) (((q63_t) r1 * si1) >> 32))) << 1u;
+
+    /*  index calculation for the coefficients */
+    ia3 = 3u * ia1;
+    co3 = pCoef[ia3 * 2u];
+    si3 = pCoef[(ia3 * 2u) + 1u];
+
+    /* xd' = (xa-yb-xc+yd)co3 - (ya+xb-yc-xd)(si3) */
+    pSrc[2u * i3] = (((int32_t) (((q63_t) r2 * co3) >> 32)) -
+                     ((int32_t) (((q63_t) s2 * si3) >> 32))) << 1u;
+
+    /* yd' = (ya+xb-yc-xd)co3 + (xa-yb-xc+yd)(si3) */
+    pSrc[(2u * i3) + 1u] = (((int32_t) (((q63_t) s2 * co3) >> 32)) +
+                            ((int32_t) (((q63_t) r2 * si3) >> 32))) << 1u;
+
+    /*  Twiddle coefficients index modifier */
+    ia1 = ia1 + twidCoefModifier;
+
+    /*  Updating input index */
+    i0 = i0 + 1u;
+
+  } while(--j);
+
+  /* data is in 5.27(q27) format */
+  /* each stage provides two down scaling of the input */
+
+
+  /* Start of Middle stages process */
+
+  twidCoefModifier <<= 2u;
+
+  /*  Calculation of second stage to excluding last stage */
+  for (k = fftLen / 4u; k > 4u; k >>= 2u)
+  {
+    /*  Initializations for the first stage */
+    n1 = n2;
+    n2 >>= 2u;
+    ia1 = 0u;
+
+    for (j = 0; j <= (n2 - 1u); j++)
+    {
+      /*  index calculation for the coefficients */
+      ia2 = ia1 + ia1;
+      ia3 = ia2 + ia1;
+      co1 = pCoef[ia1 * 2u];
+      si1 = pCoef[(ia1 * 2u) + 1u];
+      co2 = pCoef[ia2 * 2u];
+      si2 = pCoef[(ia2 * 2u) + 1u];
+      co3 = pCoef[ia3 * 2u];
+      si3 = pCoef[(ia3 * 2u) + 1u];
+      /*  Twiddle coefficients index modifier */
+      ia1 = ia1 + twidCoefModifier;
+
+      for (i0 = j; i0 < fftLen; i0 += n1)
+      {
+        /*  index calculation for the input as, */
+        /*  pSrc[i0 + 0], pSrc[i0 + fftLen/4], pSrc[i0 + fftLen/2u], pSrc[i0 + 3fftLen/4] */
+        i1 = i0 + n2;
+        i2 = i1 + n2;
+        i3 = i2 + n2;
+
+        /*  Butterfly implementation */
+        /* xa + xc */
+        r1 = pSrc[2u * i0] + pSrc[2u * i2];
+        /* xa - xc */
+        r2 = pSrc[2u * i0] - pSrc[2u * i2];
+
+        /* ya + yc */
+        s1 = pSrc[(2u * i0) + 1u] + pSrc[(2u * i2) + 1u];
+        /* ya - yc */
+        s2 = pSrc[(2u * i0) + 1u] - pSrc[(2u * i2) + 1u];
+
+        /* xb + xd */
+        t1 = pSrc[2u * i1] + pSrc[2u * i3];
+
+        /* xa' = xa + xb + xc + xd */
+        pSrc[2u * i0] = (r1 + t1) >> 2u;
+        /* xa + xc -(xb + xd) */
+        r1 = r1 - t1;
+        /* yb + yd */
+        t2 = pSrc[(2u * i1) + 1u] + pSrc[(2u * i3) + 1u];
+        /* ya' = ya + yb + yc + yd */
+        pSrc[(2u * i0) + 1u] = (s1 + t2) >> 2u;
+
+        /* (ya + yc) - (yb + yd) */
+        s1 = s1 - t2;
+
+        /* (yb - yd) */
+        t1 = pSrc[(2u * i1) + 1u] - pSrc[(2u * i3) + 1u];
+        /* (xb - xd) */
+        t2 = pSrc[2u * i1] - pSrc[2u * i3];
+
+        /* xc' = (xa-xb+xc-xd)co2 - (ya-yb+yc-yd)(si2) */
+        pSrc[2u * i1] = (((int32_t) (((q63_t) r1 * co2) >> 32u)) -
+                         ((int32_t) (((q63_t) s1 * si2) >> 32u))) >> 1u;
+
+        /* yc' = (ya-yb+yc-yd)co2 + (xa-xb+xc-xd)(si2) */
+        pSrc[(2u * i1) + 1u] =
+          (((int32_t) (((q63_t) s1 * co2) >> 32u)) +
+           ((int32_t) (((q63_t) r1 * si2) >> 32u))) >> 1u;
+
+        /* (xa - xc) - (yb - yd) */
+        r1 = r2 - t1;
+        /* (xa - xc) + (yb - yd) */
+        r2 = r2 + t1;
+
+        /* (ya - yc) +  (xb - xd) */
+        s1 = s2 + t2;
+        /* (ya - yc) -  (xb - xd) */
+        s2 = s2 - t2;
+
+        /* xb' = (xa+yb-xc-yd)co1 - (ya-xb-yc+xd)(si1) */
+        pSrc[2u * i2] = (((int32_t) (((q63_t) r1 * co1) >> 32)) -
+                         ((int32_t) (((q63_t) s1 * si1) >> 32))) >> 1u;
+
+        /* yb' = (ya-xb-yc+xd)co1 + (xa+yb-xc-yd)(si1) */
+        pSrc[(2u * i2) + 1u] = (((int32_t) (((q63_t) s1 * co1) >> 32)) +
+                                ((int32_t) (((q63_t) r1 * si1) >> 32))) >> 1u;
+
+        /* xd' = (xa-yb-xc+yd)co3 - (ya+xb-yc-xd)(si3) */
+        pSrc[(2u * i3)] = (((int32_t) (((q63_t) r2 * co3) >> 32)) -
+                           ((int32_t) (((q63_t) s2 * si3) >> 32))) >> 1u;
+
+        /* yd' = (ya+xb-yc-xd)co3 + (xa-yb-xc+yd)(si3) */
+        pSrc[(2u * i3) + 1u] = (((int32_t) (((q63_t) s2 * co3) >> 32)) +
+                                ((int32_t) (((q63_t) r2 * si3) >> 32))) >> 1u;
+      }
+    }
+    twidCoefModifier <<= 2u;
+  }
+
+  /* End of Middle stages process */
+
+  /* data is in 11.21(q21) format for the 1024 point as there are 3 middle stages */
+  /* data is in 9.23(q23) format for the 256 point as there are 2 middle stages */
+  /* data is in 7.25(q25) format for the 64 point as there are 1 middle stage */
+  /* data is in 5.27(q27) format for the 16 point as there are no middle stages */
+
+
+  /* Start of last stage process */
+
+
+  /*  Initializations for the last stage */
+  j = fftLen >> 2;
+  ptr1 = &pSrc[0];
+
+  /*  Calculations of last stage */
+  do
+  {
+#ifndef ARM_MATH_BIG_ENDIAN
+    /* Read xa (real), ya(imag) input */
+    xaya = *__SIMD64(ptr1)++;
+    xa = (q31_t) xaya;
+    ya = (q31_t) (xaya >> 32);
+
+    /* Read xb (real), yb(imag) input */
+    xbyb = *__SIMD64(ptr1)++;
+    xb = (q31_t) xbyb;
+    yb = (q31_t) (xbyb >> 32);
+
+    /* Read xc (real), yc(imag) input */
+    xcyc = *__SIMD64(ptr1)++;
+    xc = (q31_t) xcyc;
+    yc = (q31_t) (xcyc >> 32);
+
+    /* Read xc (real), yc(imag) input */
+    xdyd = *__SIMD64(ptr1)++;
+    xd = (q31_t) xdyd;
+    yd = (q31_t) (xdyd >> 32);
+
+#else
+
+    /* Read xa (real), ya(imag) input */
+    xaya = *__SIMD64(ptr1)++;
+    ya = (q31_t) xaya;
+    xa = (q31_t) (xaya >> 32);
+
+    /* Read xb (real), yb(imag) input */
+    xbyb = *__SIMD64(ptr1)++;
+    yb = (q31_t) xbyb;
+    xb = (q31_t) (xbyb >> 32);
+
+    /* Read xc (real), yc(imag) input */
+    xcyc = *__SIMD64(ptr1)++;
+    yc = (q31_t) xcyc;
+    xc = (q31_t) (xcyc >> 32);
+
+    /* Read xc (real), yc(imag) input */
+    xdyd = *__SIMD64(ptr1)++;
+    yd = (q31_t) xdyd;
+    xd = (q31_t) (xdyd >> 32);
+
+
+#endif
+
+    /* xa' = xa + xb + xc + xd */
+    xa_out = xa + xb + xc + xd;
+
+    /* ya' = ya + yb + yc + yd */
+    ya_out = ya + yb + yc + yd;
+
+    /* pointer updation for writing */
+    ptr1 = ptr1 - 8u;
+
+    /* writing xa' and ya' */
+    *ptr1++ = xa_out;
+    *ptr1++ = ya_out;
+
+    xc_out = (xa - xb + xc - xd);
+    yc_out = (ya - yb + yc - yd);
+
+    /* writing xc' and yc' */
+    *ptr1++ = xc_out;
+    *ptr1++ = yc_out;
+
+    xb_out = (xa - yb - xc + yd);
+    yb_out = (ya + xb - yc - xd);
+
+    /* writing xb' and yb' */
+    *ptr1++ = xb_out;
+    *ptr1++ = yb_out;
+
+    xd_out = (xa + yb - xc - yd);
+    yd_out = (ya - xb - yc + xd);
+
+    /* writing xd' and yd' */
+    *ptr1++ = xd_out;
+    *ptr1++ = yd_out;
+
+
+  } while(--j);
+
+  /* output is in 11.21(q21) format for the 1024 point */
+  /* output is in 9.23(q23) format for the 256 point */
+  /* output is in 7.25(q25) format for the 64 point */
+  /* output is in 5.27(q27) format for the 16 point */
+
+  /* End of last stage process */
+}
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_f32.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_f32.c
new file mode 100644
index 0000000000..75cc3ef689
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_f32.c
@@ -0,0 +1,453 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_dct4_f32.c    
+*    
+* Description:	Processing function of DCT4 & IDCT4 F32.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+/**    
+ * @defgroup DCT4_IDCT4 DCT Type IV Functions    
+ * Representation of signals by minimum number of values is important for storage and transmission.    
+ * The possibility of large discontinuity between the beginning and end of a period of a signal    
+ * in DFT can be avoided by extending the signal so that it is even-symmetric.    
+ * Discrete Cosine Transform (DCT) is constructed such that its energy is heavily concentrated in the lower part of the    
+ * spectrum and is very widely used in signal and image coding applications.    
+ * The family of DCTs (DCT type- 1,2,3,4) is the outcome of different combinations of homogeneous boundary conditions.    
+ * DCT has an excellent energy-packing capability, hence has many applications and in data compression in particular.    
+ *    
+ * DCT is essentially the Discrete Fourier Transform(DFT) of an even-extended real signal.    
+ * Reordering of the input data makes the computation of DCT just a problem of    
+ * computing the DFT of a real signal with a few additional operations.    
+ * This approach provides regular, simple, and very efficient DCT algorithms for practical hardware and software implementations.    
+ *     
+ * DCT type-II can be implemented using Fast fourier transform (FFT) internally, as the transform is applied on real values, Real FFT can be used.    
+ * DCT4 is implemented using DCT2 as their implementations are similar except with some added pre-processing and post-processing.    
+ * DCT2 implementation can be described in the following steps:    
+ * - Re-ordering input    
+ * - Calculating Real FFT    
+ * - Multiplication of weights and Real FFT output and getting real part from the product.    
+ *    
+ * This process is explained by the block diagram below:    
+ * \image html DCT4.gif "Discrete Cosine Transform - type-IV"    
+ *    
+ * \par Algorithm:    
+ * The N-point type-IV DCT is defined as a real, linear transformation by the formula:    
+ * \image html DCT4Equation.gif    
+ * where k = 0,1,2,.....N-1    
+ *\par    
+ * Its inverse is defined as follows:    
+ * \image html IDCT4Equation.gif    
+ * where n = 0,1,2,.....N-1    
+ *\par    
+ * The DCT4 matrices become involutory (i.e. they are self-inverse) by multiplying with an overall scale factor of sqrt(2/N).    
+ * The symmetry of the transform matrix indicates that the fast algorithms for the forward    
+ * and inverse transform computation are identical.    
+ * Note that the implementation of Inverse DCT4 and DCT4 is same, hence same process function can be used for both.    
+ *    
+ * \par Lengths supported by the transform:    
+ *  As DCT4 internally uses Real FFT, it supports all the lengths supported by arm_rfft_f32().    
+ * The library provides separate functions for Q15, Q31, and floating-point data types.    
+ * \par Instance Structure    
+ * The instances for Real FFT and FFT, cosine values table and twiddle factor table are stored in an instance data structure.    
+ * A separate instance structure must be defined for each transform.    
+ * There are separate instance structure declarations for each of the 3 supported data types.    
+ *    
+ * \par Initialization Functions    
+ * There is also an associated initialization function for each data type.    
+ * The initialization function performs the following operations:    
+ * - Sets the values of the internal structure fields.    
+ * - Initializes Real FFT as its process function is used internally in DCT4, by calling arm_rfft_init_f32().    
+ * \par    
+ * Use of the initialization function is optional.    
+ * However, if the initialization function is used, then the instance structure cannot be placed into a const data section.    
+ * To place an instance structure into a const data section, the instance structure must be manually initialized.    
+ * Manually initialize the instance structure as follows:    
+ * 
    
+ *arm_dct4_instance_f32 S = {N, Nby2, normalize, pTwiddle, pCosFactor, pRfft, pCfft};    
+ *arm_dct4_instance_q31 S = {N, Nby2, normalize, pTwiddle, pCosFactor, pRfft, pCfft};   
+ *arm_dct4_instance_q15 S = {N, Nby2, normalize, pTwiddle, pCosFactor, pRfft, pCfft};   
+ * 
   
+ * where \c N is the length of the DCT4; \c Nby2 is half of the length of the DCT4;   
+ * \c normalize is normalizing factor used and is equal to sqrt(2/N);    
+ * \c pTwiddle points to the twiddle factor table;   
+ * \c pCosFactor points to the cosFactor table;   
+ * \c pRfft points to the real FFT instance;   
+ * \c pCfft points to the complex FFT instance;   
+ * The CFFT and RFFT structures also needs to be initialized, refer to arm_cfft_radix4_f32()   
+ * and arm_rfft_f32() respectively for details regarding static initialization.   
+ *   
+ * \par Fixed-Point Behavior    
+ * Care must be taken when using the fixed-point versions of the DCT4 transform functions.    
+ * In particular, the overflow and saturation behavior of the accumulator used in each function must be considered.    
+ * Refer to the function specific documentation below for usage guidelines.    
+ */
+
+ /**    
+ * @addtogroup DCT4_IDCT4    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the floating-point DCT4/IDCT4.   
+ * @param[in]       *S             points to an instance of the floating-point DCT4/IDCT4 structure.   
+ * @param[in]       *pState        points to state buffer.   
+ * @param[in,out]   *pInlineBuffer points to the in-place input and output buffer.   
+ * @return none.   
+ */
+
+void arm_dct4_f32(
+  const arm_dct4_instance_f32 * S,
+  float32_t * pState,
+  float32_t * pInlineBuffer)
+{
+  uint32_t i;                                    /* Loop counter */
+  float32_t *weights = S->pTwiddle;              /* Pointer to the Weights table */
+  float32_t *cosFact = S->pCosFactor;            /* Pointer to the cos factors table */
+  float32_t *pS1, *pS2, *pbuff;                  /* Temporary pointers for input buffer and pState buffer */
+  float32_t in;                                  /* Temporary variable */
+
+
+  /* DCT4 computation involves DCT2 (which is calculated using RFFT)    
+   * along with some pre-processing and post-processing.    
+   * Computational procedure is explained as follows:    
+   * (a) Pre-processing involves multiplying input with cos factor,    
+   *     r(n) = 2 * u(n) * cos(pi*(2*n+1)/(4*n))    
+   *              where,    
+   *                 r(n) -- output of preprocessing    
+   *                 u(n) -- input to preprocessing(actual Source buffer)    
+   * (b) Calculation of DCT2 using FFT is divided into three steps:    
+   *                  Step1: Re-ordering of even and odd elements of input.    
+   *                  Step2: Calculating FFT of the re-ordered input.    
+   *                  Step3: Taking the real part of the product of FFT output and weights.    
+   * (c) Post-processing - DCT4 can be obtained from DCT2 output using the following equation:    
+   *                   Y4(k) = Y2(k) - Y4(k-1) and Y4(-1) = Y4(0)    
+   *                        where,    
+   *                           Y4 -- DCT4 output,   Y2 -- DCT2 output    
+   * (d) Multiplying the output with the normalizing factor sqrt(2/N).    
+   */
+
+        /*-------- Pre-processing ------------*/
+  /* Multiplying input with cos factor i.e. r(n) = 2 * x(n) * cos(pi*(2*n+1)/(4*n)) */
+  arm_scale_f32(pInlineBuffer, 2.0f, pInlineBuffer, S->N);
+  arm_mult_f32(pInlineBuffer, cosFact, pInlineBuffer, S->N);
+
+  /* ----------------------------------------------------------------    
+   * Step1: Re-ordering of even and odd elements as,    
+   *             pState[i] =  pInlineBuffer[2*i] and    
+   *             pState[N-i-1] = pInlineBuffer[2*i+1] where i = 0 to N/2    
+   ---------------------------------------------------------------------*/
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* pS2 initialized to pState+N-1, so that it points to the end of the state buffer */
+  pS2 = pState + (S->N - 1u);
+
+  /* pbuff initialized to input buffer */
+  pbuff = pInlineBuffer;
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /* Initializing the loop counter to N/2 >> 2 for loop unrolling by 4 */
+  i = (uint32_t) S->Nby2 >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  do
+  {
+    /* Re-ordering of even and odd elements */
+    /* pState[i] =  pInlineBuffer[2*i] */
+    *pS1++ = *pbuff++;
+    /* pState[N-i-1] = pInlineBuffer[2*i+1] */
+    *pS2-- = *pbuff++;
+
+    *pS1++ = *pbuff++;
+    *pS2-- = *pbuff++;
+
+    *pS1++ = *pbuff++;
+    *pS2-- = *pbuff++;
+
+    *pS1++ = *pbuff++;
+    *pS2-- = *pbuff++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+  /* pbuff initialized to input buffer */
+  pbuff = pInlineBuffer;
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* Initializing the loop counter to N/4 instead of N for loop unrolling */
+  i = (uint32_t) S->N >> 2u;
+
+  /* Processing with loop unrolling 4 times as N is always multiple of 4.    
+   * Compute 4 outputs at a time */
+  do
+  {
+    /* Writing the re-ordered output back to inplace input buffer */
+    *pbuff++ = *pS1++;
+    *pbuff++ = *pS1++;
+    *pbuff++ = *pS1++;
+    *pbuff++ = *pS1++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+
+  /* ---------------------------------------------------------    
+   *     Step2: Calculate RFFT for N-point input    
+   * ---------------------------------------------------------- */
+  /* pInlineBuffer is real input of length N , pState is the complex output of length 2N */
+  arm_rfft_f32(S->pRfft, pInlineBuffer, pState);
+
+        /*----------------------------------------------------------------------    
+	 *  Step3: Multiply the FFT output with the weights.    
+	 *----------------------------------------------------------------------*/
+  arm_cmplx_mult_cmplx_f32(pState, weights, pState, S->N);
+
+  /* ----------- Post-processing ---------- */
+  /* DCT-IV can be obtained from DCT-II by the equation,    
+   *       Y4(k) = Y2(k) - Y4(k-1) and Y4(-1) = Y4(0)    
+   *       Hence, Y4(0) = Y2(0)/2  */
+  /* Getting only real part from the output and Converting to DCT-IV */
+
+  /* Initializing the loop counter to N >> 2 for loop unrolling by 4 */
+  i = ((uint32_t) S->N - 1u) >> 2u;
+
+  /* pbuff initialized to input buffer. */
+  pbuff = pInlineBuffer;
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* Calculating Y4(0) from Y2(0) using Y4(0) = Y2(0)/2 */
+  in = *pS1++ * (float32_t) 0.5;
+  /* input buffer acts as inplace, so output values are stored in the input itself. */
+  *pbuff++ = in;
+
+  /* pState pointer is incremented twice as the real values are located alternatively in the array */
+  pS1++;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  do
+  {
+    /* Calculating Y4(1) to Y4(N-1) from Y2 using equation Y4(k) = Y2(k) - Y4(k-1) */
+    /* pState pointer (pS1) is incremented twice as the real values are located alternatively in the array */
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    /* points to the next real value */
+    pS1++;
+
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    pS1++;
+
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    pS1++;
+
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    pS1++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  i = ((uint32_t) S->N - 1u) % 0x4u;
+
+  while(i > 0u)
+  {
+    /* Calculating Y4(1) to Y4(N-1) from Y2 using equation Y4(k) = Y2(k) - Y4(k-1) */
+    /* pState pointer (pS1) is incremented twice as the real values are located alternatively in the array */
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    /* points to the next real value */
+    pS1++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+
+        /*------------ Normalizing the output by multiplying with the normalizing factor ----------*/
+
+  /* Initializing the loop counter to N/4 instead of N for loop unrolling */
+  i = (uint32_t) S->N >> 2u;
+
+  /* pbuff initialized to the pInlineBuffer(now contains the output values) */
+  pbuff = pInlineBuffer;
+
+  /* Processing with loop unrolling 4 times as N is always multiple of 4.  Compute 4 outputs at a time */
+  do
+  {
+    /* Multiplying pInlineBuffer with the normalizing factor sqrt(2/N) */
+    in = *pbuff;
+    *pbuff++ = in * S->normalize;
+
+    in = *pbuff;
+    *pbuff++ = in * S->normalize;
+
+    in = *pbuff;
+    *pbuff++ = in * S->normalize;
+
+    in = *pbuff;
+    *pbuff++ = in * S->normalize;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Initializing the loop counter to N/2 */
+  i = (uint32_t) S->Nby2;
+
+  do
+  {
+    /* Re-ordering of even and odd elements */
+    /* pState[i] =  pInlineBuffer[2*i] */
+    *pS1++ = *pbuff++;
+    /* pState[N-i-1] = pInlineBuffer[2*i+1] */
+    *pS2-- = *pbuff++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+  /* pbuff initialized to input buffer */
+  pbuff = pInlineBuffer;
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* Initializing the loop counter */
+  i = (uint32_t) S->N;
+
+  do
+  {
+    /* Writing the re-ordered output back to inplace input buffer */
+    *pbuff++ = *pS1++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+
+  /* ---------------------------------------------------------    
+   *     Step2: Calculate RFFT for N-point input    
+   * ---------------------------------------------------------- */
+  /* pInlineBuffer is real input of length N , pState is the complex output of length 2N */
+  arm_rfft_f32(S->pRfft, pInlineBuffer, pState);
+
+        /*----------------------------------------------------------------------    
+	 *  Step3: Multiply the FFT output with the weights.    
+	 *----------------------------------------------------------------------*/
+  arm_cmplx_mult_cmplx_f32(pState, weights, pState, S->N);
+
+  /* ----------- Post-processing ---------- */
+  /* DCT-IV can be obtained from DCT-II by the equation,    
+   *       Y4(k) = Y2(k) - Y4(k-1) and Y4(-1) = Y4(0)    
+   *       Hence, Y4(0) = Y2(0)/2  */
+  /* Getting only real part from the output and Converting to DCT-IV */
+
+  /* pbuff initialized to input buffer. */
+  pbuff = pInlineBuffer;
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* Calculating Y4(0) from Y2(0) using Y4(0) = Y2(0)/2 */
+  in = *pS1++ * (float32_t) 0.5;
+  /* input buffer acts as inplace, so output values are stored in the input itself. */
+  *pbuff++ = in;
+
+  /* pState pointer is incremented twice as the real values are located alternatively in the array */
+  pS1++;
+
+  /* Initializing the loop counter */
+  i = ((uint32_t) S->N - 1u);
+
+  do
+  {
+    /* Calculating Y4(1) to Y4(N-1) from Y2 using equation Y4(k) = Y2(k) - Y4(k-1) */
+    /* pState pointer (pS1) is incremented twice as the real values are located alternatively in the array */
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    /* points to the next real value */
+    pS1++;
+
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+
+        /*------------ Normalizing the output by multiplying with the normalizing factor ----------*/
+
+  /* Initializing the loop counter */
+  i = (uint32_t) S->N;
+
+  /* pbuff initialized to the pInlineBuffer(now contains the output values) */
+  pbuff = pInlineBuffer;
+
+  do
+  {
+    /* Multiplying pInlineBuffer with the normalizing factor sqrt(2/N) */
+    in = *pbuff;
+    *pbuff++ = in * S->normalize;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+   * @} end of DCT4_IDCT4 group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_init_f32.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_init_f32.c
new file mode 100644
index 0000000000..f6848f61fc
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_init_f32.c
@@ -0,0 +1,16511 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_dct4_init_f32.c    
+*    
+* Description:	Initialization function of DCT-4 & IDCT4 F32    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+/**    
+ * @addtogroup DCT4_IDCT4    
+ * @{    
+ */
+
+/*    
+* @brief  Weights Table    
+*/
+
+/**    
+* \par    
+* Weights tables are generated using the formula : 
weights[n] = e^(-j*n*pi/(2*N))
    
+* \par    
+* C command to generate the table    
+* 
    
+* for(i = 0; i< N; i++)    
+* {    
+*    weights[2*i]= cos(i*c);    
+*    weights[(2*i)+1]= -sin(i * c);    
+* } 
    
+* \par    
+* Where N is the Number of weights to be calculated and c is pi/(2*N)    
+* \par    
+* In the tables below the real and imaginary values are placed alternatively, hence the    
+* array length is 2*N.    
+*/
+
+static const float32_t Weights_128[256] = {
+  1.000000000000000000f, 0.000000000000000000f, 0.999924701839144500f,
+  -0.012271538285719925f,
+  0.999698818696204250f, -0.024541228522912288f, 0.999322384588349540f,
+  -0.036807222941358832f,
+  0.998795456205172410f, -0.049067674327418015f, 0.998118112900149180f,
+  -0.061320736302208578f,
+  0.997290456678690210f, -0.073564563599667426f, 0.996312612182778000f,
+  -0.085797312344439894f,
+  0.995184726672196930f, -0.098017140329560604f, 0.993906970002356060f,
+  -0.110222207293883060f,
+  0.992479534598709970f, -0.122410675199216200f, 0.990902635427780010f,
+  -0.134580708507126170f,
+  0.989176509964781010f, -0.146730474455361750f, 0.987301418157858430f,
+  -0.158858143333861450f,
+  0.985277642388941220f, -0.170961888760301220f, 0.983105487431216290f,
+  -0.183039887955140950f,
+  0.980785280403230430f, -0.195090322016128250f, 0.978317370719627650f,
+  -0.207111376192218560f,
+  0.975702130038528570f, -0.219101240156869800f, 0.972939952205560180f,
+  -0.231058108280671110f,
+  0.970031253194543970f, -0.242980179903263870f, 0.966976471044852070f,
+  -0.254865659604514570f,
+  0.963776065795439840f, -0.266712757474898370f, 0.960430519415565790f,
+  -0.278519689385053060f,
+  0.956940335732208820f, -0.290284677254462330f, 0.953306040354193860f,
+  -0.302005949319228080f,
+  0.949528180593036670f, -0.313681740398891520f, 0.945607325380521280f,
+  -0.325310292162262930f,
+  0.941544065183020810f, -0.336889853392220050f, 0.937339011912574960f,
+  -0.348418680249434560f,
+  0.932992798834738960f, -0.359895036534988110f, 0.928506080473215590f,
+  -0.371317193951837540f,
+  0.923879532511286740f, -0.382683432365089780f, 0.919113851690057770f,
+  -0.393992040061048100f,
+  0.914209755703530690f, -0.405241314004989860f, 0.909167983090522380f,
+  -0.416429560097637150f,
+  0.903989293123443340f, -0.427555093430282080f, 0.898674465693953820f,
+  -0.438616238538527660f,
+  0.893224301195515320f, -0.449611329654606540f, 0.887639620402853930f,
+  -0.460538710958240010f,
+  0.881921264348355050f, -0.471396736825997640f, 0.876070094195406600f,
+  -0.482183772079122720f,
+  0.870086991108711460f, -0.492898192229784040f, 0.863972856121586810f,
+  -0.503538383725717580f,
+  0.857728610000272120f, -0.514102744193221660f, 0.851355193105265200f,
+  -0.524589682678468950f,
+  0.844853565249707120f, -0.534997619887097150f, 0.838224705554838080f,
+  -0.545324988422046460f,
+  0.831469612302545240f, -0.555570233019602180f, 0.824589302785025290f,
+  -0.565731810783613120f,
+  0.817584813151583710f, -0.575808191417845340f, 0.810457198252594770f,
+  -0.585797857456438860f,
+  0.803207531480644940f, -0.595699304492433360f, 0.795836904608883570f,
+  -0.605511041404325550f,
+  0.788346427626606340f, -0.615231590580626820f, 0.780737228572094490f,
+  -0.624859488142386340f,
+  0.773010453362736990f, -0.634393284163645490f, 0.765167265622458960f,
+  -0.643831542889791390f,
+  0.757208846506484570f, -0.653172842953776760f, 0.749136394523459370f,
+  -0.662415777590171780f,
+  0.740951125354959110f, -0.671558954847018330f, 0.732654271672412820f,
+  -0.680600997795453020f,
+  0.724247082951467000f, -0.689540544737066830f, 0.715730825283818590f,
+  -0.698376249408972920f,
+  0.707106781186547570f, -0.707106781186547460f, 0.698376249408972920f,
+  -0.715730825283818590f,
+  0.689540544737066940f, -0.724247082951466890f, 0.680600997795453130f,
+  -0.732654271672412820f,
+  0.671558954847018330f, -0.740951125354959110f, 0.662415777590171780f,
+  -0.749136394523459260f,
+  0.653172842953776760f, -0.757208846506484460f, 0.643831542889791500f,
+  -0.765167265622458960f,
+  0.634393284163645490f, -0.773010453362736990f, 0.624859488142386450f,
+  -0.780737228572094380f,
+  0.615231590580626820f, -0.788346427626606230f, 0.605511041404325550f,
+  -0.795836904608883460f,
+  0.595699304492433470f, -0.803207531480644830f, 0.585797857456438860f,
+  -0.810457198252594770f,
+  0.575808191417845340f, -0.817584813151583710f, 0.565731810783613230f,
+  -0.824589302785025290f,
+  0.555570233019602290f, -0.831469612302545240f, 0.545324988422046460f,
+  -0.838224705554837970f,
+  0.534997619887097260f, -0.844853565249707010f, 0.524589682678468840f,
+  -0.851355193105265200f,
+  0.514102744193221660f, -0.857728610000272120f, 0.503538383725717580f,
+  -0.863972856121586700f,
+  0.492898192229784090f, -0.870086991108711350f, 0.482183772079122830f,
+  -0.876070094195406600f,
+  0.471396736825997810f, -0.881921264348354940f, 0.460538710958240010f,
+  -0.887639620402853930f,
+  0.449611329654606600f, -0.893224301195515320f, 0.438616238538527710f,
+  -0.898674465693953820f,
+  0.427555093430282200f, -0.903989293123443340f, 0.416429560097637320f,
+  -0.909167983090522270f,
+  0.405241314004989860f, -0.914209755703530690f, 0.393992040061048100f,
+  -0.919113851690057770f,
+  0.382683432365089840f, -0.923879532511286740f, 0.371317193951837600f,
+  -0.928506080473215480f,
+  0.359895036534988280f, -0.932992798834738850f, 0.348418680249434510f,
+  -0.937339011912574960f,
+  0.336889853392220050f, -0.941544065183020810f, 0.325310292162262980f,
+  -0.945607325380521280f,
+  0.313681740398891570f, -0.949528180593036670f, 0.302005949319228200f,
+  -0.953306040354193750f,
+  0.290284677254462330f, -0.956940335732208940f, 0.278519689385053060f,
+  -0.960430519415565790f,
+  0.266712757474898420f, -0.963776065795439840f, 0.254865659604514630f,
+  -0.966976471044852070f,
+  0.242980179903263980f, -0.970031253194543970f, 0.231058108280671280f,
+  -0.972939952205560070f,
+  0.219101240156869770f, -0.975702130038528570f, 0.207111376192218560f,
+  -0.978317370719627650f,
+  0.195090322016128330f, -0.980785280403230430f, 0.183039887955141060f,
+  -0.983105487431216290f,
+  0.170961888760301360f, -0.985277642388941220f, 0.158858143333861390f,
+  -0.987301418157858430f,
+  0.146730474455361750f, -0.989176509964781010f, 0.134580708507126220f,
+  -0.990902635427780010f,
+  0.122410675199216280f, -0.992479534598709970f, 0.110222207293883180f,
+  -0.993906970002356060f,
+  0.098017140329560770f, -0.995184726672196820f, 0.085797312344439880f,
+  -0.996312612182778000f,
+  0.073564563599667454f, -0.997290456678690210f, 0.061320736302208648f,
+  -0.998118112900149180f,
+  0.049067674327418126f, -0.998795456205172410f, 0.036807222941358991f,
+  -0.999322384588349540f,
+  0.024541228522912264f, -0.999698818696204250f, 0.012271538285719944f,
+  -0.999924701839144500f
+};
+
+static const float32_t Weights_512[1024] = {
+  1.000000000000000000f, 0.000000000000000000f, 0.999995293809576190f,
+  -0.003067956762965976f,
+  0.999981175282601110f, -0.006135884649154475f, 0.999957644551963900f,
+  -0.009203754782059819f,
+  0.999924701839144500f, -0.012271538285719925f, 0.999882347454212560f,
+  -0.015339206284988100f,
+  0.999830581795823400f, -0.018406729905804820f, 0.999769405351215280f,
+  -0.021474080275469508f,
+  0.999698818696204250f, -0.024541228522912288f, 0.999618822495178640f,
+  -0.027608145778965740f,
+  0.999529417501093140f, -0.030674803176636626f, 0.999430604555461730f,
+  -0.033741171851377580f,
+  0.999322384588349540f, -0.036807222941358832f, 0.999204758618363890f,
+  -0.039872927587739811f,
+  0.999077727752645360f, -0.042938256934940820f, 0.998941293186856870f,
+  -0.046003182130914623f,
+  0.998795456205172410f, -0.049067674327418015f, 0.998640218180265270f,
+  -0.052131704680283324f,
+  0.998475580573294770f, -0.055195244349689934f, 0.998301544933892890f,
+  -0.058258264500435752f,
+  0.998118112900149180f, -0.061320736302208578f, 0.997925286198596000f,
+  -0.064382630929857465f,
+  0.997723066644191640f, -0.067443919563664051f, 0.997511456140303450f,
+  -0.070504573389613856f,
+  0.997290456678690210f, -0.073564563599667426f, 0.997060070339482960f,
+  -0.076623861392031492f,
+  0.996820299291165670f, -0.079682437971430126f, 0.996571145790554840f,
+  -0.082740264549375692f,
+  0.996312612182778000f, -0.085797312344439894f, 0.996044700901251970f,
+  -0.088853552582524600f,
+  0.995767414467659820f, -0.091908956497132724f, 0.995480755491926940f,
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+  -0.999769405351215280f,
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+  0.006135884649154515f, -0.999981175282601110f, 0.003067956762966138f,
+  -0.999995293809576190f
+};
+
+static const float32_t Weights_2048[4096] = {
+  1.000000000000000000f, 0.000000000000000000f, 0.999999705862882230f,
+  -0.000766990318742704f,
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+  -0.002300969151425805f,
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+  -0.003834942569706228f,
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+  -0.005368906963996343f,
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+  -0.006902858724729756f,
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+  -0.008436794242369799f,
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+  -0.009970709907418031f,
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+  -0.011504602110422714f,
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+  -0.013038467241987334f,
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+  -0.014572301692779064f,
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+  -0.016106101853537287f,
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+  -0.017639864115082053f,
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+  -0.022240887414024961f,
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+  -0.039106535483329888f,
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+  -0.043704527250063421f,
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+  -0.045236990298804590f,
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+  -0.046769346900537863f,
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+  -0.048301593449480144f,
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+  -0.049833726340107277f,
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+  -0.051365741967162593f,
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+  -0.052897636725665324f,
+  0.998559074229759310f, -0.053663537652730520f, 0.998517621102622210f,
+  -0.054429407010919133f,
+  0.998475580573294770f, -0.055195244349689934f, 0.998432952666508440f,
+  -0.055961049218520569f,
+  0.998389737407340160f, -0.056726821166907748f, 0.998345934821212370f,
+  -0.057492559744367566f,
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+  -0.065148011025878833f,
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+  -0.066678655793001557f,
+  0.997723066644191640f, -0.067443919563664051f, 0.997671044343441000f,
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+  -0.999999705862882230f
+};
+
+static const float32_t Weights_8192[16384] = {
+  1.000000000000000000, -0.000000000000000000, 0.999999981616429330,
+    -0.000191747597310703,
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+    -0.000958737845553301,
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+    -0.001342232786374338,
+  0.999998823451701880, -0.001533980186284766, 0.999998510931137790,
+    -0.001725727529795126,
+  0.999998161643486980, -0.001917474809855419, 0.999997775588762350,
+    -0.002109222019415644,
+  0.999997352766978210, -0.002300969151425805, 0.999996893178149880,
+    -0.002492716198835908,
+  0.999996396822294350, -0.002684463154595962, 0.999995863699429940,
+    -0.002876210011655979,
+  0.999995293809576190, -0.003067956762965976, 0.999994687152754080,
+    -0.003259703401475973,
+  0.999994043728985820, -0.003451449920135994, 0.999993363538295150,
+    -0.003643196311896068,
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+    -0.004026688686516512,
+  0.999991102364945590, -0.004218434655276963, 0.999990275106828920,
+    -0.004410180468937631,
+  0.999989411081928400, -0.004601926120448571, 0.999988510290275690,
+    -0.004793671602759841,
+  0.999987572731904080, -0.004985416908821511, 0.999986598406848000,
+    -0.005177162031583651,
+  0.999985587315143200, -0.005368906963996343, 0.999984539456826970,
+    -0.005560651699009674,
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+  0.040639296235933854, -0.999173882565716380, 0.040447706297560768,
+    -0.999181656684742350,
+  0.040256114872041358, -0.999189394066714920, 0.040064521966419686,
+    -0.999197094711349880,
+  0.039872927587739845, -0.999204758618363890, 0.039681331743046659,
+    -0.999212385787475290,
+  0.039489734439384118, -0.999219976218403530, 0.039298135683797149,
+    -0.999227529910869610,
+  0.039106535483329839, -0.999235046864595850, 0.038914933845027241,
+    -0.999242527079305830,
+  0.038723330775933762, -0.999249970554724420, 0.038531726283093877,
+    -0.999257377290578060,
+  0.038340120373552791, -0.999264747286594420, 0.038148513054354856,
+    -0.999272080542502610,
+  0.037956904332545366, -0.999279377058032710, 0.037765294215169005,
+    -0.999286636832916740,
+  0.037573682709270514, -0.999293859866887790, 0.037382069821895340,
+    -0.999301046159680070,
+  0.037190455560088091, -0.999308195711029470, 0.036998839930894332,
+    -0.999315308520673070,
+  0.036807222941358991, -0.999322384588349540, 0.036615604598527057,
+    -0.999329423913798420,
+  0.036423984909444228, -0.999336426496761240, 0.036232363881155374,
+    -0.999343392336980220,
+  0.036040741520706299, -0.999350321434199440, 0.035849117835142184,
+    -0.999357213788164000,
+  0.035657492831508264, -0.999364069398620550, 0.035465866516850478,
+    -0.999370888265317060,
+  0.035274238898213947, -0.999377670388002850, 0.035082609982644702,
+    -0.999384415766428560,
+  0.034890979777187955, -0.999391124400346050, 0.034699348288889847,
+    -0.999397796289508640,
+  0.034507715524795889, -0.999404431433671300, 0.034316081491951658,
+    -0.999411029832589780,
+  0.034124446197403423, -0.999417591486021720, 0.033932809648196623,
+    -0.999424116393725640,
+  0.033741171851377642, -0.999430604555461730, 0.033549532813992221,
+    -0.999437055970991530,
+  0.033357892543086159, -0.999443470640077770, 0.033166251045705968,
+    -0.999449848562484530,
+  0.032974608328897315, -0.999456189737977340, 0.032782964399706793,
+    -0.999462494166323160,
+  0.032591319265180385, -0.999468761847290050, 0.032399672932364114,
+    -0.999474992780647780,
+  0.032208025408304704, -0.999481186966166950, 0.032016376700048046,
+    -0.999487344403620080,
+  0.031824726814640963, -0.999493465092780590, 0.031633075759129645,
+    -0.999499549033423640,
+  0.031441423540560343, -0.999505596225325310, 0.031249770165979990,
+    -0.999511606668263440,
+  0.031058115642434700, -0.999517580362016990, 0.030866459976971503,
+    -0.999523517306366350,
+  0.030674803176636581, -0.999529417501093140, 0.030483145248477058,
+    -0.999535280945980540,
+  0.030291486199539423, -0.999541107640812940, 0.030099826036870208,
+    -0.999546897585375960,
+  0.029908164767516655, -0.999552650779456990, 0.029716502398525156,
+    -0.999558367222844300,
+  0.029524838936943035, -0.999564046915327740, 0.029333174389816984,
+    -0.999569689856698580,
+  0.029141508764193740, -0.999575296046749220, 0.028949842067120746,
+    -0.999580865485273700,
+  0.028758174305644590, -0.999586398172067070, 0.028566505486812797,
+    -0.999591894106925950,
+  0.028374835617672258, -0.999597353289648380, 0.028183164705269902,
+    -0.999602775720033530,
+  0.027991492756653365, -0.999608161397882110, 0.027799819778869434,
+    -0.999613510322995950,
+  0.027608145778965820, -0.999618822495178640, 0.027416470763989606,
+    -0.999624097914234570,
+  0.027224794740987910, -0.999629336579970110, 0.027033117717008563,
+    -0.999634538492192300,
+  0.026841439699098527, -0.999639703650710200, 0.026649760694305708,
+    -0.999644832055333610,
+  0.026458080709677145, -0.999649923705874240, 0.026266399752260809,
+    -0.999654978602144690,
+  0.026074717829104040, -0.999659996743959220, 0.025883034947254208,
+    -0.999664978131133310,
+  0.025691351113759395, -0.999669922763483760, 0.025499666335666818,
+    -0.999674830640828740,
+  0.025307980620024630, -0.999679701762987930, 0.025116293973880335,
+    -0.999684536129782140,
+  0.024924606404281485, -0.999689333741033640, 0.024732917918276334,
+    -0.999694094596566000,
+  0.024541228522912264, -0.999698818696204250, 0.024349538225237600,
+    -0.999703506039774650,
+  0.024157847032300020, -0.999708156627104880, 0.023966154951147241,
+    -0.999712770458023870,
+  0.023774461988827676, -0.999717347532362190, 0.023582768152388880,
+    -0.999721887849951310,
+  0.023391073448879338, -0.999726391410624470, 0.023199377885346890,
+    -0.999730858214216030,
+  0.023007681468839410, -0.999735288260561680, 0.022815984206405477,
+    -0.999739681549498660,
+  0.022624286105092803, -0.999744038080865430, 0.022432587171950024,
+    -0.999748357854501780,
+  0.022240887414024919, -0.999752640870248840, 0.022049186838366180,
+    -0.999756887127949080,
+  0.021857485452021874, -0.999761096627446610, 0.021665783262040089,
+    -0.999765269368586450,
+  0.021474080275469605, -0.999769405351215280, 0.021282376499358355,
+    -0.999773504575180990,
+  0.021090671940755180, -0.999777567040332940, 0.020898966606708289,
+    -0.999781592746521670,
+  0.020707260504265912, -0.999785581693599210, 0.020515553640476986,
+    -0.999789533881418780,
+  0.020323846022389572, -0.999793449309835270, 0.020132137657052664,
+    -0.999797327978704690,
+  0.019940428551514598, -0.999801169887884260, 0.019748718712823757,
+    -0.999804975037232870,
+  0.019557008148029204, -0.999808743426610520, 0.019365296864179146,
+    -0.999812475055878780,
+  0.019173584868322699, -0.999816169924900410, 0.018981872167508348,
+    -0.999819828033539420,
+  0.018790158768784596, -0.999823449381661570, 0.018598444679200642,
+    -0.999827033969133420,
+  0.018406729905804820, -0.999830581795823400, 0.018215014455646376,
+    -0.999834092861600960,
+  0.018023298335773701, -0.999837567166337090, 0.017831581553236088,
+    -0.999841004709904000,
+  0.017639864115082195, -0.999844405492175240, 0.017448146028360704,
+    -0.999847769513025900,
+  0.017256427300120978, -0.999851096772332190, 0.017064707937411529,
+    -0.999854387269971890,
+  0.016872987947281773, -0.999857641005823860, 0.016681267336780482,
+    -0.999860857979768540,
+  0.016489546112956454, -0.999864038191687680, 0.016297824282859176,
+    -0.999867181641464380,
+  0.016106101853537263, -0.999870288328982950, 0.015914378832040249,
+    -0.999873358254129260,
+  0.015722655225417017, -0.999876391416790410, 0.015530931040716478,
+    -0.999879387816854930,
+  0.015339206284988220, -0.999882347454212560, 0.015147480965280975,
+    -0.999885270328754520,
+  0.014955755088644378, -0.999888156440373320, 0.014764028662127416,
+    -0.999891005788962950,
+  0.014572301692779104, -0.999893818374418490, 0.014380574187649138,
+    -0.999896594196636680,
+  0.014188846153786343, -0.999899333255515390, 0.013997117598240459,
+    -0.999902035550953920,
+  0.013805388528060349, -0.999904701082852900, 0.013613658950295789,
+    -0.999907329851114300,
+  0.013421928871995907, -0.999909921855641540, 0.013230198300209845,
+    -0.999912477096339240,
+  0.013038467241987433, -0.999914995573113470, 0.012846735704377631,
+    -0.999917477285871770,
+  0.012655003694430301, -0.999919922234522750, 0.012463271219194662,
+    -0.999922330418976490,
+  0.012271538285719944, -0.999924701839144500, 0.012079804901056066,
+    -0.999927036494939640,
+  0.011888071072252072, -0.999929334386276070, 0.011696336806357907,
+    -0.999931595513069200,
+  0.011504602110422875, -0.999933819875236000, 0.011312866991496287,
+    -0.999936007472694620,
+  0.011121131456628141, -0.999938158305364590, 0.010929395512867561,
+    -0.999940272373166960,
+  0.010737659167264572, -0.999942349676023910, 0.010545922426868548,
+    -0.999944390213859060,
+  0.010354185298728884, -0.999946393986597460, 0.010162447789895645,
+    -0.999948360994165400,
+  0.009970709907418029, -0.999950291236490480, 0.009778971658346134,
+    -0.999952184713501780,
+  0.009587233049729183, -0.999954041425129780, 0.009395494088617302,
+    -0.999955861371306100,
+  0.009203754782059960, -0.999957644551963900, 0.009012015137106642,
+    -0.999959390967037450,
+  0.008820275160807512, -0.999961100616462820, 0.008628534860211857,
+    -0.999962773500176930,
+  0.008436794242369860, -0.999964409618118280, 0.008245053314331058,
+    -0.999966008970226920,
+  0.008053312083144991, -0.999967571556443780, 0.007861570555861883,
+    -0.999969097376711580,
+  0.007669828739531077, -0.999970586430974140, 0.007478086641202815,
+    -0.999972038719176730,
+  0.007286344267926684, -0.999973454241265940, 0.007094601626752279,
+    -0.999974832997189810,
+  0.006902858724729877, -0.999976174986897610, 0.006711115568908869,
+    -0.999977480210339940,
+  0.006519372166339549, -0.999978748667468830, 0.006327628524071549,
+    -0.999979980358237650,
+  0.006135884649154515, -0.999981175282601110, 0.005944140548638765,
+    -0.999982333440515350,
+  0.005752396229573737, -0.999983454831937730, 0.005560651699009764,
+    -0.999984539456826970,
+  0.005368906963996303, -0.999985587315143200, 0.005177162031583702,
+    -0.999986598406848000,
+  0.004985416908821652, -0.999987572731904080, 0.004793671602759852,
+    -0.999988510290275690,
+  0.004601926120448672, -0.999989411081928400, 0.004410180468937601,
+    -0.999990275106828920,
+  0.004218434655277024, -0.999991102364945590, 0.004026688686516664,
+    -0.999991892856248010,
+  0.003834942569706248, -0.999992646580707190, 0.003643196311896179,
+    -0.999993363538295150,
+  0.003451449920135975, -0.999994043728985820, 0.003259703401476044,
+    -0.999994687152754080,
+  0.003067956762966138, -0.999995293809576190, 0.002876210011656010,
+    -0.999995863699429940,
+  0.002684463154596083, -0.999996396822294350, 0.002492716198835898,
+    -0.999996893178149880,
+  0.002300969151425887, -0.999997352766978210, 0.002109222019415816,
+    -0.999997775588762350,
+  0.001917474809855460, -0.999998161643486980, 0.001725727529795258,
+    -0.999998510931137790,
+  0.001533980186284766, -0.999998823451701880, 0.001342232786374430,
+    -0.999999099205167830,
+  0.001150485337113809, -0.999999338191525530, 0.000958737845553352,
+    -0.999999540410766110,
+  0.000766990318742846, -0.999999705862882230, 0.000575242763732077,
+    -0.999999834547867670,
+  0.000383495187571497, -0.999999926465717890, 0.000191747597310674,
+    -0.999999981616429330,
+
+};
+
+/**    
+* \par    
+* cosFactor tables are generated using the formula : 
cos_factors[n] = 2 * cos((2n+1)*pi/(4*N))
    
+* \par    
+* C command to generate the table    
+* \par    
+* 
 for(i = 0; i< N; i++)    
+* {    
+*    cos_factors[i]= 2 * cos((2*i+1)*c/2);    
+* } 
    
+* \par    
+* where N is the number of factors to generate and c is pi/(2*N)    
+*/
+static const float32_t cos_factors_128[128] = {
+  0.999981175282601110f, 0.999830581795823400f, 0.999529417501093140f,
+  0.999077727752645360f,
+  0.998475580573294770f, 0.997723066644191640f, 0.996820299291165670f,
+  0.995767414467659820f,
+  0.994564570734255420f, 0.993211949234794500f, 0.991709753669099530f,
+  0.990058210262297120f,
+  0.988257567730749460f, 0.986308097244598670f, 0.984210092386929030f,
+  0.981963869109555240f,
+  0.979569765685440520f, 0.977028142657754390f, 0.974339382785575860f,
+  0.971503890986251780f,
+  0.968522094274417380f, 0.965394441697689400f, 0.962121404269041580f,
+  0.958703474895871600f,
+  0.955141168305770780f, 0.951435020969008340f, 0.947585591017741090f,
+  0.943593458161960390f,
+  0.939459223602189920f, 0.935183509938947610f, 0.930766961078983710f,
+  0.926210242138311380f,
+  0.921514039342042010f, 0.916679059921042700f, 0.911706032005429880f,
+  0.906595704514915330f,
+  0.901348847046022030f, 0.895966249756185220f, 0.890448723244757880f,
+  0.884797098430937790f,
+  0.879012226428633530f, 0.873094978418290090f, 0.867046245515692650f,
+  0.860866938637767310f,
+  0.854557988365400530f, 0.848120344803297230f, 0.841554977436898440f,
+  0.834862874986380010f,
+  0.828045045257755800f, 0.821102514991104650f, 0.814036329705948410f,
+  0.806847553543799330f,
+  0.799537269107905010f, 0.792106577300212390f, 0.784556597155575240f,
+  0.776888465673232440f,
+  0.769103337645579700f, 0.761202385484261780f, 0.753186799043612520f,
+  0.745057785441466060f,
+  0.736816568877369900f, 0.728464390448225200f, 0.720002507961381650f,
+  0.711432195745216430f,
+  0.702754744457225300f, 0.693971460889654000f, 0.685083667772700360f,
+  0.676092703575316030f,
+  0.666999922303637470f, 0.657806693297078640f, 0.648514401022112550f,
+  0.639124444863775730f,
+  0.629638238914927100f, 0.620057211763289210f, 0.610382806276309480f,
+  0.600616479383868970f,
+  0.590759701858874280f, 0.580813958095764530f, 0.570780745886967370f,
+  0.560661576197336030f,
+  0.550457972936604810f, 0.540171472729892970f, 0.529803624686294830f,
+  0.519355990165589530f,
+  0.508830142543106990f, 0.498227666972781870f, 0.487550160148436050f,
+  0.476799230063322250f,
+  0.465976495767966130f, 0.455083587126343840f, 0.444122144570429260f,
+  0.433093818853152010f,
+  0.422000270799799790f, 0.410843171057903910f, 0.399624199845646790f,
+  0.388345046698826300f,
+  0.377007410216418310f, 0.365612997804773960f, 0.354163525420490510f,
+  0.342660717311994380f,
+  0.331106305759876430f, 0.319502030816015750f, 0.307849640041534980f,
+  0.296150888243623960f,
+  0.284407537211271820f, 0.272621355449948980f, 0.260794117915275570f,
+  0.248927605745720260f,
+  0.237023605994367340f, 0.225083911359792780f, 0.213110319916091360f,
+  0.201104634842091960f,
+  0.189068664149806280f, 0.177004220412148860f, 0.164913120489970090f,
+  0.152797185258443410f,
+  0.140658239332849240f, 0.128498110793793220f, 0.116318630911904880f,
+  0.104121633872054730f,
+  0.091908956497132696f, 0.079682437971430126f, 0.067443919563664106f,
+  0.055195244349690031f,
+  0.042938256934940959f, 0.030674803176636581f, 0.018406729905804820f,
+  0.006135884649154515f
+};
+
+static const float32_t cos_factors_512[512] = {
+  0.999998823451701880f, 0.999989411081928400f, 0.999970586430974140f,
+  0.999942349676023910f,
+  0.999904701082852900f, 0.999857641005823860f, 0.999801169887884260f,
+  0.999735288260561680f,
+  0.999659996743959220f, 0.999575296046749220f, 0.999481186966166950f,
+  0.999377670388002850f,
+  0.999264747286594420f, 0.999142418724816910f, 0.999010685854073380f,
+  0.998869549914283560f,
+  0.998719012233872940f, 0.998559074229759310f, 0.998389737407340160f,
+  0.998211003360478190f,
+  0.998022873771486240f, 0.997825350411111640f, 0.997618435138519550f,
+  0.997402129901275300f,
+  0.997176436735326190f, 0.996941357764982160f, 0.996696895202896060f,
+  0.996443051350042630f,
+  0.996179828595696980f, 0.995907229417411720f, 0.995625256380994310f,
+  0.995333912140482280f,
+  0.995033199438118630f, 0.994723121104325700f, 0.994403680057679100f,
+  0.994074879304879370f,
+  0.993736721940724600f, 0.993389211148080650f, 0.993032350197851410f,
+  0.992666142448948020f,
+  0.992290591348257370f, 0.991905700430609330f, 0.991511473318743900f,
+  0.991107913723276890f,
+  0.990695025442664630f, 0.990272812363169110f, 0.989841278458820530f,
+  0.989400427791380380f,
+  0.988950264510302990f, 0.988490792852696590f, 0.988022017143283530f,
+  0.987543941794359230f,
+  0.987056571305750970f, 0.986559910264775410f, 0.986053963346195440f,
+  0.985538735312176060f,
+  0.985014231012239840f, 0.984480455383220930f, 0.983937413449218920f,
+  0.983385110321551180f,
+  0.982823551198705240f, 0.982252741366289370f, 0.981672686196983110f,
+  0.981083391150486710f,
+  0.980484861773469380f, 0.979877103699517640f, 0.979260122649082020f,
+  0.978633924429423210f,
+  0.977998514934557140f, 0.977353900145199960f, 0.976700086128711840f,
+  0.976037079039039020f,
+  0.975364885116656980f, 0.974683510688510670f, 0.973992962167955830f,
+  0.973293246054698250f,
+  0.972584368934732210f, 0.971866337480279400f, 0.971139158449725090f,
+  0.970402838687555500f,
+  0.969657385124292450f, 0.968902804776428870f, 0.968139104746362440f,
+  0.967366292222328510f,
+  0.966584374478333120f, 0.965793358874083680f, 0.964993252854920320f,
+  0.964184063951745830f,
+  0.963365799780954050f, 0.962538468044359160f, 0.961702076529122540f,
+  0.960856633107679660f,
+  0.960002145737665960f, 0.959138622461841890f, 0.958266071408017670f,
+  0.957384500788975860f,
+  0.956493918902395100f, 0.955594334130771110f, 0.954685754941338340f,
+  0.953768189885990330f,
+  0.952841647601198720f, 0.951906136807932350f, 0.950961666311575080f,
+  0.950008245001843000f,
+  0.949045881852700560f, 0.948074585922276230f, 0.947094366352777220f,
+  0.946105232370403450f,
+  0.945107193285260610f, 0.944100258491272660f, 0.943084437466093490f,
+  0.942059739771017310f,
+  0.941026175050889260f, 0.939983753034014050f, 0.938932483532064600f,
+  0.937872376439989890f,
+  0.936803441735921560f, 0.935725689481080370f, 0.934639129819680780f,
+  0.933543772978836170f,
+  0.932439629268462360f, 0.931326709081180430f, 0.930205022892219070f,
+  0.929074581259315860f,
+  0.927935394822617890f, 0.926787474304581750f, 0.925630830509872720f,
+  0.924465474325262600f,
+  0.923291416719527640f, 0.922108668743345180f, 0.920917241529189520f,
+  0.919717146291227360f,
+  0.918508394325212250f, 0.917290997008377910f, 0.916064965799331720f,
+  0.914830312237946200f,
+  0.913587047945250810f, 0.912335184623322750f, 0.911074734055176360f,
+  0.909805708104652220f,
+  0.908528118716306120f, 0.907241977915295820f, 0.905947297807268460f,
+  0.904644090578246240f,
+  0.903332368494511820f, 0.902012143902493180f, 0.900683429228646970f,
+  0.899346236979341570f,
+  0.898000579740739880f, 0.896646470178680150f, 0.895283921038557580f,
+  0.893912945145203250f,
+  0.892533555402764580f, 0.891145764794583180f, 0.889749586383072780f,
+  0.888345033309596350f,
+  0.886932118794342190f, 0.885510856136199950f, 0.884081258712634990f,
+  0.882643339979562790f,
+  0.881197113471222090f, 0.879742592800047410f, 0.878279791656541580f,
+  0.876808723809145650f,
+  0.875329403104110890f, 0.873841843465366860f, 0.872346058894391540f,
+  0.870842063470078980f,
+  0.869329871348606840f, 0.867809496763303320f, 0.866280954024512990f,
+  0.864744257519462380f,
+  0.863199421712124160f, 0.861646461143081300f, 0.860085390429390140f,
+  0.858516224264442740f,
+  0.856938977417828760f, 0.855353664735196030f, 0.853760301138111410f,
+  0.852158901623919830f,
+  0.850549481265603480f, 0.848932055211639610f, 0.847306638685858320f,
+  0.845673246987299070f,
+  0.844031895490066410f, 0.842382599643185850f, 0.840725374970458070f,
+  0.839060237070312740f,
+  0.837387201615661940f, 0.835706284353752600f, 0.834017501106018130f,
+  0.832320867767929680f,
+  0.830616400308846310f, 0.828904114771864870f, 0.827184027273669130f,
+  0.825456154004377550f,
+  0.823720511227391430f, 0.821977115279241550f, 0.820225982569434690f,
+  0.818467129580298660f,
+  0.816700572866827850f, 0.814926329056526620f, 0.813144414849253590f,
+  0.811354847017063730f,
+  0.809557642404051260f, 0.807752817926190360f, 0.805940390571176280f,
+  0.804120377398265810f,
+  0.802292795538115720f, 0.800457662192622820f, 0.798614994634760820f,
+  0.796764810208418830f,
+  0.794907126328237010f, 0.793041960479443640f, 0.791169330217690200f,
+  0.789289253168885650f,
+  0.787401747029031430f, 0.785506829564053930f, 0.783604518609638200f,
+  0.781694832071059390f,
+  0.779777787923014550f, 0.777853404209453150f, 0.775921699043407690f,
+  0.773982690606822900f,
+  0.772036397150384520f, 0.770082836993347900f, 0.768122028523365420f,
+  0.766153990196312920f,
+  0.764178740536116670f, 0.762196298134578900f, 0.760206681651202420f,
+  0.758209909813015280f,
+  0.756206001414394540f, 0.754194975316889170f, 0.752176850449042810f,
+  0.750151645806215070f,
+  0.748119380450403600f, 0.746080073510063780f, 0.744033744179929290f,
+  0.741980411720831070f,
+  0.739920095459516200f, 0.737852814788465980f, 0.735778589165713590f,
+  0.733697438114660370f,
+  0.731609381223892630f, 0.729514438146997010f, 0.727412628602375770f,
+  0.725303972373060770f,
+  0.723188489306527460f, 0.721066199314508110f, 0.718937122372804490f,
+  0.716801278521099540f,
+  0.714658687862769090f, 0.712509370564692320f, 0.710353346857062420f,
+  0.708190637033195400f,
+  0.706021261449339740f, 0.703845240524484940f, 0.701662594740168570f,
+  0.699473344640283770f,
+  0.697277510830886630f, 0.695075113980000880f, 0.692866174817424740f,
+  0.690650714134534720f,
+  0.688428752784090550f, 0.686200311680038700f, 0.683965411797315510f,
+  0.681724074171649820f,
+  0.679476319899365080f, 0.677222170137180450f, 0.674961646102012040f,
+  0.672694769070772970f,
+  0.670421560380173090f, 0.668142041426518560f, 0.665856233665509720f,
+  0.663564158612039880f,
+  0.661265837839992270f, 0.658961292982037320f, 0.656650545729429050f,
+  0.654333617831800550f,
+  0.652010531096959500f, 0.649681307390683190f, 0.647345968636512060f,
+  0.645004536815544040f,
+  0.642657033966226860f, 0.640303482184151670f, 0.637943903621844170f,
+  0.635578320488556230f,
+  0.633206755050057190f, 0.630829229628424470f, 0.628445766601832710f,
+  0.626056388404343520f,
+  0.623661117525694640f, 0.621259976511087660f, 0.618852987960976320f,
+  0.616440174530853650f,
+  0.614021558931038490f, 0.611597163926462020f, 0.609167012336453210f,
+  0.606731127034524480f,
+  0.604289530948156070f, 0.601842247058580030f, 0.599389298400564540f,
+  0.596930708062196500f,
+  0.594466499184664540f, 0.591996694962040990f, 0.589521318641063940f,
+  0.587040393520918080f,
+  0.584553942953015330f, 0.582061990340775550f, 0.579564559139405740f,
+  0.577061672855679550f,
+  0.574553355047715760f, 0.572039629324757050f, 0.569520519346947250f,
+  0.566996048825108680f,
+  0.564466241520519500f, 0.561931121244689470f, 0.559390711859136140f,
+  0.556845037275160100f,
+  0.554294121453620110f, 0.551737988404707450f, 0.549176662187719770f,
+  0.546610166910834860f,
+  0.544038526730883930f, 0.541461765853123560f, 0.538879908531008420f,
+  0.536292979065963180f,
+  0.533701001807152960f, 0.531104001151255000f, 0.528502001542228480f,
+  0.525895027471084740f,
+  0.523283103475656430f, 0.520666254140367270f, 0.518044504095999340f,
+  0.515417878019463150f,
+  0.512786400633563070f, 0.510150096706766700f, 0.507508991052970870f,
+  0.504863108531267480f,
+  0.502212474045710900f, 0.499557112545081890f, 0.496897049022654640f,
+  0.494232308515959730f,
+  0.491562916106550060f, 0.488888896919763230f, 0.486210276124486530f,
+  0.483527078932918740f,
+  0.480839330600333900f, 0.478147056424843120f, 0.475450281747155870f,
+  0.472749031950342900f,
+  0.470043332459595620f, 0.467333208741988530f, 0.464618686306237820f,
+  0.461899790702462840f,
+  0.459176547521944150f, 0.456448982396883860f, 0.453717121000163930f,
+  0.450980989045103810f,
+  0.448240612285220000f, 0.445496016513981740f, 0.442747227564570130f,
+  0.439994271309633260f,
+  0.437237173661044200f, 0.434475960569655710f, 0.431710658025057370f,
+  0.428941292055329550f,
+  0.426167888726799620f, 0.423390474143796100f, 0.420609074448402510f,
+  0.417823715820212380f,
+  0.415034424476081630f, 0.412241226669883000f, 0.409444148692257590f,
+  0.406643216870369140f,
+  0.403838457567654130f, 0.401029897183575790f, 0.398217562153373620f,
+  0.395401478947816300f,
+  0.392581674072951530f, 0.389758174069856410f, 0.386931005514388690f,
+  0.384100195016935040f,
+  0.381265769222162490f, 0.378427754808765620f, 0.375586178489217330f,
+  0.372741067009515810f,
+  0.369892447148934270f, 0.367040345719767240f, 0.364184789567079840f,
+  0.361325805568454340f,
+  0.358463420633736540f, 0.355597661704783960f, 0.352728555755210730f,
+  0.349856129790135030f,
+  0.346980410845923680f, 0.344101425989938980f, 0.341219202320282410f,
+  0.338333766965541290f,
+  0.335445147084531660f, 0.332553369866044220f, 0.329658462528587550f,
+  0.326760452320131790f,
+  0.323859366517852960f, 0.320955232427875210f, 0.318048077385015060f,
+  0.315137928752522440f,
+  0.312224813921825050f, 0.309308760312268780f, 0.306389795370861080f,
+  0.303467946572011370f,
+  0.300543241417273400f, 0.297615707435086310f, 0.294685372180514330f,
+  0.291752263234989370f,
+  0.288816408206049480f, 0.285877834727080730f, 0.282936570457055390f,
+  0.279992643080273380f,
+  0.277046080306099950f, 0.274096909868706330f, 0.271145159526808070f,
+  0.268190857063403180f,
+  0.265234030285511900f, 0.262274707023913590f, 0.259312915132886350f,
+  0.256348682489942910f,
+  0.253382036995570270f, 0.250413006572965280f, 0.247441619167773440f,
+  0.244467902747824210f,
+  0.241491885302869300f, 0.238513594844318500f, 0.235533059404975460f,
+  0.232550307038775330f,
+  0.229565365820518870f, 0.226578263845610110f, 0.223589029229790020f,
+  0.220597690108873650f,
+  0.217604274638483670f, 0.214608810993786920f, 0.211611327369227610f,
+  0.208611851978263460f,
+  0.205610413053099320f, 0.202607038844421110f, 0.199601757621131050f,
+  0.196594597670080220f,
+  0.193585587295803750f, 0.190574754820252800f, 0.187562128582529740f,
+  0.184547736938619640f,
+  0.181531608261125130f, 0.178513770938997590f, 0.175494253377271400f,
+  0.172473083996796030f,
+  0.169450291233967930f, 0.166425903540464220f, 0.163399949382973230f,
+  0.160372457242928400f,
+  0.157343455616238280f, 0.154312973013020240f, 0.151281037957330250f,
+  0.148247678986896200f,
+  0.145212924652847520f, 0.142176803519448000f, 0.139139344163826280f,
+  0.136100575175706200f,
+  0.133060525157139180f, 0.130019222722233350f, 0.126976696496885980f,
+  0.123932975118512200f,
+  0.120888087235777220f, 0.117842061508325020f, 0.114794926606510250f,
+  0.111746711211126660f,
+  0.108697444013138670f, 0.105647153713410700f, 0.102595869022436280f,
+  0.099543618660069444f,
+  0.096490431355252607f, 0.093436335845747912f, 0.090381360877865011f,
+  0.087325535206192226f,
+  0.084268887593324127f, 0.081211446809592386f, 0.078153241632794315f,
+  0.075094300847921291f,
+  0.072034653246889416f, 0.068974327628266732f, 0.065913352797003930f,
+  0.062851757564161420f,
+  0.059789570746640007f, 0.056726821166907783f, 0.053663537652730679f,
+  0.050599749036899337f,
+  0.047535484156959261f, 0.044470771854938744f, 0.041405640977076712f,
+  0.038340120373552791f,
+  0.035274238898213947f, 0.032208025408304704f, 0.029141508764193740f,
+  0.026074717829104040f,
+  0.023007681468839410f, 0.019940428551514598f, 0.016872987947281773f,
+  0.013805388528060349f,
+  0.010737659167264572f, 0.007669828739531077f, 0.004601926120448672f,
+  0.001533980186284766f
+};
+
+static const float32_t cos_factors_2048[2048] = {
+  0.999999926465717890f, 0.999999338191525530f, 0.999998161643486980f,
+  0.999996396822294350f,
+  0.999994043728985820f, 0.999991102364945590f, 0.999987572731904080f,
+  0.999983454831937730f,
+  0.999978748667468830f, 0.999973454241265940f, 0.999967571556443780f,
+  0.999961100616462820f,
+  0.999954041425129780f, 0.999946393986597460f, 0.999938158305364590f,
+  0.999929334386276070f,
+  0.999919922234522750f, 0.999909921855641540f, 0.999899333255515390f,
+  0.999888156440373320f,
+  0.999876391416790410f, 0.999864038191687680f, 0.999851096772332190f,
+  0.999837567166337090f,
+  0.999823449381661570f, 0.999808743426610520f, 0.999793449309835270f,
+  0.999777567040332940f,
+  0.999761096627446610f, 0.999744038080865430f, 0.999726391410624470f,
+  0.999708156627104880f,
+  0.999689333741033640f, 0.999669922763483760f, 0.999649923705874240f,
+  0.999629336579970110f,
+  0.999608161397882110f, 0.999586398172067070f, 0.999564046915327740f,
+  0.999541107640812940f,
+  0.999517580362016990f, 0.999493465092780590f, 0.999468761847290050f,
+  0.999443470640077770f,
+  0.999417591486021720f, 0.999391124400346050f, 0.999364069398620550f,
+  0.999336426496761240f,
+  0.999308195711029470f, 0.999279377058032710f, 0.999249970554724420f,
+  0.999219976218403530f,
+  0.999189394066714920f, 0.999158224117649430f, 0.999126466389543390f,
+  0.999094120901079070f,
+  0.999061187671284600f, 0.999027666719533690f, 0.998993558065545680f,
+  0.998958861729386080f,
+  0.998923577731465780f, 0.998887706092541290f, 0.998851246833715180f,
+  0.998814199976435390f,
+  0.998776565542495610f, 0.998738343554035230f, 0.998699534033539280f,
+  0.998660137003838490f,
+  0.998620152488108870f, 0.998579580509872500f, 0.998538421092996730f,
+  0.998496674261694640f,
+  0.998454340040524800f, 0.998411418454391300f, 0.998367909528543820f,
+  0.998323813288577560f,
+  0.998279129760433200f, 0.998233858970396850f, 0.998188000945100300f,
+  0.998141555711520520f,
+  0.998094523296980010f, 0.998046903729146840f, 0.997998697036034390f,
+  0.997949903246001190f,
+  0.997900522387751620f, 0.997850554490335110f, 0.997799999583146470f,
+  0.997748857695925690f,
+  0.997697128858758500f, 0.997644813102075420f, 0.997591910456652630f,
+  0.997538420953611340f,
+  0.997484344624417930f, 0.997429681500884180f, 0.997374431615167150f,
+  0.997318594999768600f,
+  0.997262171687536170f, 0.997205161711661850f, 0.997147565105683480f,
+  0.997089381903483400f,
+  0.997030612139289450f, 0.996971255847674320f, 0.996911313063555740f,
+  0.996850783822196610f,
+  0.996789668159204560f, 0.996727966110532490f, 0.996665677712478160f,
+  0.996602803001684130f,
+  0.996539342015137940f, 0.996475294790172160f, 0.996410661364464100f,
+  0.996345441776035900f,
+  0.996279636063254650f, 0.996213244264832040f, 0.996146266419824620f,
+  0.996078702567633980f,
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+  0.122791277323116900f,
+  0.122030055072553410f, 0.121268761034852550f, 0.120507395657864240f,
+  0.119745959389479630f,
+  0.118984452677632520f, 0.118222875970297250f, 0.117461229715489990f,
+  0.116699514361267840f,
+  0.115937730355727850f, 0.115175878147008180f, 0.114413958183287050f,
+  0.113651970912781920f,
+  0.112889916783750470f, 0.112127796244489750f, 0.111365609743335190f,
+  0.110603357728661910f,
+  0.109841040648882680f, 0.109078658952449240f, 0.108316213087851300f,
+  0.107553703503615710f,
+  0.106791130648307380f, 0.106028494970528530f, 0.105265796918917650f,
+  0.104503036942150550f,
+  0.103740215488939480f, 0.102977333008032250f, 0.102214389948213370f,
+  0.101451386758302160f,
+  0.100688323887153970f, 0.099925201783659226f, 0.099162020896742573f,
+  0.098398781675363881f,
+  0.097635484568517339f, 0.096872130025230527f, 0.096108718494565468f,
+  0.095345250425617742f,
+  0.094581726267515473f, 0.093818146469420494f, 0.093054511480527333f,
+  0.092290821750062355f,
+  0.091527077727284981f, 0.090763279861485704f, 0.089999428601987341f,
+  0.089235524398144139f,
+  0.088471567699340822f, 0.087707558954993645f, 0.086943498614549489f,
+  0.086179387127484922f,
+  0.085415224943307277f, 0.084651012511553700f, 0.083886750281790226f,
+  0.083122438703613077f,
+  0.082358078226646619f, 0.081593669300544638f, 0.080829212374989468f,
+  0.080064707899690932f,
+  0.079300156324387569f, 0.078535558098845590f, 0.077770913672857989f,
+  0.077006223496245585f,
+  0.076241488018856149f, 0.075476707690563416f, 0.074711882961268378f,
+  0.073947014280897269f,
+  0.073182102099402888f, 0.072417146866763538f, 0.071652149032982254f,
+  0.070887109048087787f,
+  0.070122027362133646f, 0.069356904425197236f, 0.068591740687380900f,
+  0.067826536598810966f,
+  0.067061292609636836f, 0.066296009170032283f, 0.065530686730193397f,
+  0.064765325740339871f,
+  0.063999926650714078f, 0.063234489911580136f, 0.062469015973224969f,
+  0.061703505285957416f,
+  0.060937958300107238f, 0.060172375466026218f, 0.059406757234087247f,
+  0.058641104054683348f,
+  0.057875416378229017f, 0.057109694655158132f, 0.056343939335925283f,
+  0.055578150871004817f,
+  0.054812329710889909f, 0.054046476306093640f, 0.053280591107148056f,
+  0.052514674564603257f,
+  0.051748727129028414f, 0.050982749251010900f, 0.050216741381155325f,
+  0.049450703970084824f,
+  0.048684637468439020f, 0.047918542326875327f, 0.047152418996068000f,
+  0.046386267926707213f,
+  0.045620089569500123f, 0.044853884375169933f, 0.044087652794454979f,
+  0.043321395278109784f,
+  0.042555112276904117f, 0.041788804241622082f, 0.041022471623063397f,
+  0.040256114872041358f,
+  0.039489734439384118f, 0.038723330775933762f, 0.037956904332545366f,
+  0.037190455560088091f,
+  0.036423984909444228f, 0.035657492831508264f, 0.034890979777187955f,
+  0.034124446197403423f,
+  0.033357892543086159f, 0.032591319265180385f, 0.031824726814640963f,
+  0.031058115642434700f,
+  0.030291486199539423f, 0.029524838936943035f, 0.028758174305644590f,
+  0.027991492756653365f,
+  0.027224794740987910f, 0.026458080709677145f, 0.025691351113759395f,
+  0.024924606404281485f,
+  0.024157847032300020f, 0.023391073448879338f, 0.022624286105092803f,
+  0.021857485452021874f,
+  0.021090671940755180f, 0.020323846022389572f, 0.019557008148029204f,
+  0.018790158768784596f,
+  0.018023298335773701f, 0.017256427300120978f, 0.016489546112956454f,
+  0.015722655225417017f,
+  0.014955755088644378f, 0.014188846153786343f, 0.013421928871995907f,
+  0.012655003694430301f,
+  0.011888071072252072f, 0.011121131456628141f, 0.010354185298728884f,
+  0.009587233049729183f,
+  0.008820275160807512f, 0.008053312083144991f, 0.007286344267926684f,
+  0.006519372166339549f,
+  0.005752396229573737f, 0.004985416908821652f, 0.004218434655277024f,
+  0.003451449920135975f,
+  0.002684463154596083f, 0.001917474809855460f, 0.001150485337113809f,
+  0.000383495187571497f
+};
+
+static const float32_t cos_factors_8192[8192] = {
+  1.999999990808214700, 1.999999917273932200, 1.999999770205369800,
+    1.999999549602533100,
+  1.999999255465430200, 1.999998887794072000, 1.999998446588471700,
+    1.999997931848645600,
+  1.999997343574612800, 1.999996681766395000, 1.999995946424016200,
+    1.999995137547503600,
+  1.999994255136887000, 1.999993299192198700, 1.999992269713474200,
+    1.999991166700750800,
+  1.999989990154069600, 1.999988740073473500, 1.999987416459008600,
+    1.999986019310723500,
+  1.999984548628669600, 1.999983004412901000, 1.999981386663474400,
+    1.999979695380449400,
+  1.999977930563888100, 1.999976092213855400, 1.999974180330418700,
+    1.999972194913648900,
+  1.999970135963618400, 1.999968003480403000, 1.999965797464081200,
+    1.999963517914734100,
+  1.999961164832445800, 1.999958738217302300, 1.999956238069392900,
+    1.999953664388809800,
+  1.999951017175647600, 1.999948296430003500, 1.999945502151977600,
+    1.999942634341672600,
+  1.999939692999193900, 1.999936678124649700, 1.999933589718150700,
+    1.999930427779810900,
+  1.999927192309745900, 1.999923883308075200, 1.999920500774920300,
+    1.999917044710405500,
+  1.999913515114657900, 1.999909911987807200, 1.999906235329986100,
+    1.999902485141329400,
+  1.999898661421975400, 1.999894764172064600, 1.999890793391740000,
+    1.999886749081147800,
+  1.999882631240436700, 1.999878439869758200, 1.999874174969266300,
+    1.999869836539117700,
+  1.999865424579472000, 1.999860939090491600, 1.999856380072341000,
+    1.999851747525188200,
+  1.999847041449203300, 1.999842261844559700, 1.999837408711432600,
+    1.999832482050000900,
+  1.999827481860445300, 1.999822408142949900, 1.999817260897701400,
+    1.999812040124888700,
+  1.999806745824704000, 1.999801377997341800, 1.999795936642999600,
+    1.999790421761877400,
+  1.999784833354177900, 1.999779171420106700, 1.999773435959872000,
+    1.999767626973684400,
+  1.999761744461757700, 1.999755788424308200, 1.999749758861554900,
+    1.999743655773719400,
+  1.999737479161026100, 1.999731229023702200, 1.999724905361977200,
+    1.999718508176084000,
+  1.999712037466257600, 1.999705493232735800, 1.999698875475759600,
+    1.999692184195571900,
+  1.999685419392419000, 1.999678581066549400, 1.999671669218214600,
+    1.999664683847668800,
+  1.999657624955168700, 1.999650492540973900, 1.999643286605346800,
+    1.999636007148552400,
+  1.999628654170857900, 1.999621227672533800, 1.999613727653853500,
+    1.999606154115092500,
+  1.999598507056529000, 1.999590786478444600, 1.999582992381123000,
+    1.999575124764850800,
+  1.999567183629917100, 1.999559168976613900, 1.999551080805236100,
+    1.999542919116081000,
+  1.999534683909448600, 1.999526375185641800, 1.999517992944965800,
+    1.999509537187729200,
+  1.999501007914242600, 1.999492405124819700, 1.999483728819776900,
+    1.999474978999432800,
+  1.999466155664109600, 1.999457258814131500, 1.999448288449825500,
+    1.999439244571521700,
+  1.999430127179552500, 1.999420936274252800, 1.999411671855960900,
+    1.999402333925017300,
+  1.999392922481765500, 1.999383437526551300, 1.999373879059723500,
+    1.999364247081633500,
+  1.999354541592635500, 1.999344762593086500, 1.999334910083345700,
+    1.999324984063775700,
+  1.999314984534741100, 1.999304911496609700, 1.999294764949752100,
+    1.999284544894541100,
+  1.999274251331352400, 1.999263884260564600, 1.999253443682558900,
+    1.999242929597719200,
+  1.999232342006432000, 1.999221680909086400, 1.999210946306074500,
+    1.999200138197791100,
+  1.999189256584633600, 1.999178301467001900, 1.999167272845298900,
+    1.999156170719930100,
+  1.999144995091303600, 1.999133745959830600, 1.999122423325924200,
+    1.999111027190001000,
+  1.999099557552479900, 1.999088014413782800, 1.999076397774334000,
+    1.999064707634560700,
+  1.999052943994892300, 1.999041106855761900, 1.999029196217604100,
+    1.999017212080857400,
+  1.999005154445962200, 1.998993023313361700, 1.998980818683502100,
+    1.998968540556831800,
+  1.998956188933802800, 1.998943763814868800, 1.998931265200486900,
+    1.998918693091116200,
+  1.998906047487219600, 1.998893328389261400, 1.998880535797709700,
+    1.998867669713034500,
+  1.998854730135709400, 1.998841717066209400, 1.998828630505013400,
+    1.998815470452602400,
+  1.998802236909460500, 1.998788929876074100, 1.998775549352932400,
+    1.998762095340527400,
+  1.998748567839354000, 1.998734966849909000, 1.998721292372693100,
+    1.998707544408208700,
+  1.998693722956961500, 1.998679828019459300, 1.998665859596213500,
+    1.998651817687737300,
+  1.998637702294547000, 1.998623513417161700, 1.998609251056103100,
+    1.998594915211895600,
+  1.998580505885066100, 1.998566023076144600, 1.998551466785663400,
+    1.998536837014157900,
+  1.998522133762165900, 1.998507357030227900, 1.998492506818887200,
+    1.998477583128690100,
+  1.998462585960185000, 1.998447515313923400, 1.998432371190459500,
+    1.998417153590349900,
+  1.998401862514154200, 1.998386497962434800, 1.998371059935756300,
+    1.998355548434686400,
+  1.998339963459795400, 1.998324305011656600, 1.998308573090845200,
+    1.998292767697940100,
+  1.998276888833522300, 1.998260936498175400, 1.998244910692486000,
+    1.998228811417043700,
+  1.998212638672439900, 1.998196392459269400, 1.998180072778129600,
+    1.998163679629620500,
+  1.998147213014344900, 1.998130672932908000, 1.998114059385918400,
+    1.998097372373986300,
+  1.998080611897725700, 1.998063777957752600, 1.998046870554686100,
+    1.998029889689147700,
+  1.998012835361761900, 1.997995707573155600, 1.997978506323958600,
+    1.997961231614803200,
+  1.997943883446324800, 1.997926461819161000, 1.997908966733952500,
+    1.997891398191342400,
+  1.997873756191977000, 1.997856040736504500, 1.997838251825576400,
+    1.997820389459846700,
+  1.997802453639972300, 1.997784444366612600, 1.997766361640429800,
+    1.997748205462088500,
+  1.997729975832256600, 1.997711672751604200, 1.997693296220804000,
+    1.997674846240532000,
+  1.997656322811466500, 1.997637725934288300, 1.997619055609681600,
+    1.997600311838332500,
+  1.997581494620930300, 1.997562603958166600, 1.997543639850736200,
+    1.997524602299336500,
+  1.997505491304667000, 1.997486306867430900, 1.997467048988333000,
+    1.997447717668082000,
+  1.997428312907388200, 1.997408834706965000, 1.997389283067528800,
+    1.997369657989798400,
+  1.997349959474495200, 1.997330187522343700, 1.997310342134070800,
+    1.997290423310406100,
+  1.997270431052081900, 1.997250365359833200, 1.997230226234397900,
+    1.997210013676516700,
+  1.997189727686932400, 1.997169368266390900, 1.997148935415640600,
+    1.997128429135433400,
+  1.997107849426522600, 1.997087196289665000, 1.997066469725620200,
+    1.997045669735150000,
+  1.997024796319019300, 1.997003849477995600, 1.996982829212848900,
+    1.996961735524351900,
+  1.996940568413280600, 1.996919327880412900, 1.996898013926530000,
+    1.996876626552415400,
+  1.996855165758855600, 1.996833631546639300, 1.996812023916558800,
+    1.996790342869408000,
+  1.996768588405984300, 1.996746760527087700, 1.996724859233520500,
+    1.996702884526087900,
+  1.996680836405598100, 1.996658714872861800, 1.996636519928692000,
+    1.996614251573904900,
+  1.996591909809319400, 1.996569494635756600, 1.996547006054041100,
+    1.996524444064999400,
+  1.996501808669461000, 1.996479099868258400, 1.996456317662226300,
+    1.996433462052202600,
+  1.996410533039027400, 1.996387530623543900, 1.996364454806597500,
+    1.996341305589037100,
+  1.996318082971713500, 1.996294786955480800, 1.996271417541195300,
+    1.996247974729716200,
+  1.996224458521905600, 1.996200868918628100, 1.996177205920750800,
+    1.996153469529144100,
+  1.996129659744680300, 1.996105776568235100, 1.996081820000686500,
+    1.996057790042915500,
+  1.996033686695805300, 1.996009509960242400, 1.995985259837115500,
+    1.995960936327316300,
+  1.995936539431739000, 1.995912069151280800, 1.995887525486841300,
+    1.995862908439323100,
+  1.995838218009630800, 1.995813454198672700, 1.995788617007359100,
+    1.995763706436603200,
+  1.995738722487320600, 1.995713665160430600, 1.995688534456853800,
+    1.995663330377514400,
+  1.995638052923339300, 1.995612702095257400, 1.995587277894201400,
+    1.995561780321105600,
+  1.995536209376907600, 1.995510565062547800, 1.995484847378968600,
+    1.995459056327116000,
+  1.995433191907938000, 1.995407254122385700, 1.995381242971412600,
+    1.995355158455975200,
+  1.995329000577032800, 1.995302769335546500, 1.995276464732481200,
+    1.995250086768804100,
+  1.995223635445484900, 1.995197110763496000, 1.995170512723813100,
+    1.995143841327413400,
+  1.995117096575278200, 1.995090278468390600, 1.995063387007736600,
+    1.995036422194304700,
+  1.995009384029086800, 1.994982272513076600, 1.994955087647271000,
+    1.994927829432669800,
+  1.994900497870274900, 1.994873092961091200, 1.994845614706126400,
+    1.994818063106391000,
+  1.994790438162897600, 1.994762739876662100, 1.994734968248702800,
+    1.994707123280041100,
+  1.994679204971700100, 1.994651213324707000, 1.994623148340090700,
+    1.994595010018883000,
+  1.994566798362118300, 1.994538513370834200, 1.994510155046070700,
+    1.994481723388870100,
+  1.994453218400277900, 1.994424640081342100, 1.994395988433113700,
+    1.994367263456646100,
+  1.994338465152995000, 1.994309593523219600, 1.994280648568381500,
+    1.994251630289544600,
+  1.994222538687776100, 1.994193373764145500, 1.994164135519725000,
+    1.994134823955589800,
+  1.994105439072817700, 1.994075980872488800, 1.994046449355686200,
+    1.994016844523496000,
+  1.993987166377006600, 1.993957414917308700, 1.993927590145496900,
+    1.993897692062667200,
+  1.993867720669919400, 1.993837675968354700, 1.993807557959078600,
+    1.993777366643197900,
+  1.993747102021822900, 1.993716764096066200, 1.993686352867043200,
+    1.993655868335872300,
+  1.993625310503674100, 1.993594679371572200, 1.993563974940692800,
+    1.993533197212164800,
+  1.993502346187119700, 1.993471421866692200, 1.993440424252018900,
+    1.993409353344239600,
+  1.993378209144496700, 1.993346991653935300, 1.993315700873703200,
+    1.993284336804950900,
+  1.993252899448831400, 1.993221388806500900, 1.993189804879117500,
+    1.993158147667842800,
+  1.993126417173840500, 1.993094613398277400, 1.993062736342323000,
+    1.993030786007148800,
+  1.992998762393930000, 1.992966665503844000, 1.992934495338070800,
+    1.992902251897793000,
+  1.992869935184196300, 1.992837545198469000, 1.992805081941801700,
+    1.992772545415388200,
+  1.992739935620424700, 1.992707252558110200, 1.992674496229646500,
+    1.992641666636237700,
+  1.992608763779091000, 1.992575787659416100, 1.992542738278425300,
+    1.992509615637334100,
+  1.992476419737359900, 1.992443150579723500, 1.992409808165648100,
+    1.992376392496359300,
+  1.992342903573086000, 1.992309341397059600, 1.992275705969513800,
+    1.992241997291685400,
+  1.992208215364813700, 1.992174360190140900, 1.992140431768911500,
+    1.992106430102373400,
+  1.992072355191776300, 1.992038207038373300, 1.992003985643419700,
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+    0.024734809618593138,
+  0.024351343298691951, 0.023967876083461924, 0.023584407987001611,
+    0.023200939023409587,
+  0.022817469206785804, 0.022433998551228459, 0.022050527070837558,
+    0.021667054779711814,
+  0.021283581691949955, 0.020900107821652084, 0.020516633182916549,
+    0.020133157789843505,
+  0.019749681656531803, 0.019366204797080316, 0.018982727225589285,
+    0.018599248956157190,
+  0.018215770002884327, 0.017832290379869671, 0.017448810101212228,
+    0.017065329181012358,
+  0.016681847633368677, 0.016298365472381587, 0.015914882712149747,
+    0.015531399366773606,
+  0.015147915450352307, 0.014764430976985016, 0.014380945960772247,
+    0.013997460415812761,
+  0.013613974356207112, 0.013230487796054543, 0.012847000749454314,
+    0.012463513230507034,
+  0.012080025253311559, 0.011696536831968529, 0.011313047980577277,
+    0.010929558713237145,
+  0.010546069044048827, 0.010162578987111254, 0.009779088556525145,
+    0.009395597766389905,
+  0.009012106630804949, 0.008628615163871038, 0.008245123379687167,
+    0.007861631292354124,
+  0.007478138915970929, 0.007094646264638386, 0.006711153352455981,
+    0.006327660193523208,
+  0.005944166801940901, 0.005560673191808128, 0.005177179377225743,
+    0.004793685372293270,
+  0.004410191191110246, 0.004026696847777542, 0.003643202356394263,
+    0.003259707731061291,
+  0.002876212985878184, 0.002492718134944503, 0.002109223192361147,
+    0.001725728172227238,
+  0.001342233088643682, 0.000958737955710053, 0.000575242787525925,
+    0.000191747598192208,
+
+};
+
+/**    
+ * @brief  Initialization function for the floating-point DCT4/IDCT4.   
+ * @param[in,out] *S         points to an instance of floating-point DCT4/IDCT4 structure.   
+ * @param[in]     *S_RFFT    points to an instance of floating-point RFFT/RIFFT structure.   
+ * @param[in]     *S_CFFT    points to an instance of floating-point CFFT/CIFFT structure.   
+ * @param[in]     N			 length of the DCT4.   
+ * @param[in]     Nby2       half of the length of the DCT4.   
+ * @param[in]     normalize  normalizing factor.   
+ * @return        arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLenReal is not a supported transform length.   
+ * \par Normalizing factor:    
+ * The normalizing factor is sqrt(2/N), which depends on the size of transform N.    
+ * Floating-point normalizing factors are mentioned in the table below for different DCT sizes:    
+ * \image html dct4NormalizingF32Table.gif    
+ */
+
+arm_status arm_dct4_init_f32(
+  arm_dct4_instance_f32 * S,
+  arm_rfft_instance_f32 * S_RFFT,
+  arm_cfft_radix4_instance_f32 * S_CFFT,
+  uint16_t N,
+  uint16_t Nby2,
+  float32_t normalize)
+{
+  /*  Initialize the default arm status */
+  arm_status status = ARM_MATH_SUCCESS;
+
+  /* Initializing the pointer array with the weight table base addresses of different lengths */
+  float32_t *twiddlePtr[4] =
+    { (float32_t *) Weights_128, (float32_t *) Weights_512,
+    (float32_t *) Weights_2048, (float32_t *) Weights_8192
+  };
+
+  /* Initializing the pointer array with the cos factor table base addresses of different lengths */
+  float32_t *pCosFactor[4] =
+    { (float32_t *) cos_factors_128, (float32_t *) cos_factors_512,
+    (float32_t *) cos_factors_2048, (float32_t *) cos_factors_8192
+  };
+
+  /* Initialize the DCT4 length */
+  S->N = N;
+
+  /* Initialize the half of DCT4 length */
+  S->Nby2 = Nby2;
+
+  /* Initialize the DCT4 Normalizing factor */
+  S->normalize = normalize;
+
+  /* Initialize Real FFT Instance */
+  S->pRfft = S_RFFT;
+
+  /* Initialize Complex FFT Instance */
+  S->pCfft = S_CFFT;
+
+  switch (N)
+  {
+    /* Initialize the table modifier values */
+  case 8192u:
+    S->pTwiddle = twiddlePtr[3];
+    S->pCosFactor = pCosFactor[3];
+    break;
+  case 2048u:
+    S->pTwiddle = twiddlePtr[2];
+    S->pCosFactor = pCosFactor[2];
+    break;
+  case 512u:
+    S->pTwiddle = twiddlePtr[1];
+    S->pCosFactor = pCosFactor[1];
+    break;
+  case 128u:
+    S->pTwiddle = twiddlePtr[0];
+    S->pCosFactor = pCosFactor[0];
+    break;
+  default:
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+
+  /* Initialize the RFFT/RIFFT */
+  arm_rfft_init_f32(S->pRfft, S->pCfft, S->N, 0u, 1u);
+
+  /* return the status of DCT4 Init function */
+  return (status);
+}
+
+/**    
+   * @} end of DCT4_IDCT4 group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_init_q15.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_init_q15.c
new file mode 100644
index 0000000000..8038716bd7
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_init_q15.c
@@ -0,0 +1,4276 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_dct4_init_q15.c    
+*    
+* Description:	Initialization function of DCT-4 & IDCT4 Q15    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+/**    
+ * @addtogroup DCT4_IDCT4    
+ * @{    
+ */
+
+/*    
+* @brief  Weights Table    
+*/
+
+/**    
+* \par    
+* Weights tables are generated using the formula : 
weights[n] = e^(-j*n*pi/(2*N))
    
+* \par    
+* C command to generate the table    
+* 
    
+* for(i = 0; i< N; i++)    
+* {    
+*   weights[2*i]= cos(i*c);    
+*   weights[(2*i)+1]= -sin(i * c);    
+* } 
    
+* \par    
+* where N is the Number of weights to be calculated and c is pi/(2*N)    
+* \par    
+* Converted the output to q15 format by multiplying with 2^31 and saturated if required.    
+* \par    
+* In the tables below the real and imaginary values are placed alternatively, hence the    
+* array length is 2*N.    
+*/
+
+static const q15_t ALIGN4 WeightsQ15_128[256] = {
+  0x7fff, 0x0, 0x7ffd, 0xfe6e, 0x7ff6, 0xfcdc, 0x7fe9, 0xfb4a,
+  0x7fd8, 0xf9b9, 0x7fc2, 0xf827, 0x7fa7, 0xf696, 0x7f87, 0xf505,
+  0x7f62, 0xf375, 0x7f38, 0xf1e5, 0x7f09, 0xf055, 0x7ed5, 0xeec7,
+  0x7e9d, 0xed38, 0x7e5f, 0xebab, 0x7e1d, 0xea1e, 0x7dd6, 0xe893,
+  0x7d8a, 0xe708, 0x7d39, 0xe57e, 0x7ce3, 0xe3f5, 0x7c89, 0xe26d,
+  0x7c29, 0xe0e7, 0x7bc5, 0xdf61, 0x7b5d, 0xdddd, 0x7aef, 0xdc5a,
+  0x7a7d, 0xdad8, 0x7a05, 0xd958, 0x798a, 0xd7da, 0x7909, 0xd65d,
+  0x7884, 0xd4e1, 0x77fa, 0xd368, 0x776c, 0xd1ef, 0x76d9, 0xd079,
+  0x7641, 0xcf05, 0x75a5, 0xcd92, 0x7504, 0xcc22, 0x745f, 0xcab3,
+  0x73b5, 0xc946, 0x7307, 0xc7dc, 0x7255, 0xc674, 0x719e, 0xc50e,
+  0x70e2, 0xc3aa, 0x7023, 0xc248, 0x6f5f, 0xc0e9, 0x6e96, 0xbf8d,
+  0x6dca, 0xbe32, 0x6cf9, 0xbcdb, 0x6c24, 0xbb86, 0x6b4a, 0xba33,
+  0x6a6d, 0xb8e4, 0x698c, 0xb797, 0x68a6, 0xb64c, 0x67bd, 0xb505,
+  0x66cf, 0xb3c1, 0x65dd, 0xb27f, 0x64e8, 0xb141, 0x63ef, 0xb005,
+  0x62f2, 0xaecd, 0x61f1, 0xad97, 0x60ec, 0xac65, 0x5fe3, 0xab36,
+  0x5ed7, 0xaa0b, 0x5dc7, 0xa8e3, 0x5cb4, 0xa7be, 0x5b9d, 0xa69c,
+  0x5a82, 0xa57e, 0x5964, 0xa463, 0x5842, 0xa34c, 0x571d, 0xa239,
+  0x55f5, 0xa129, 0x54ca, 0xa01d, 0x539b, 0x9f14, 0x5269, 0x9e0f,
+  0x5133, 0x9d0e, 0x4ffb, 0x9c11, 0x4ebf, 0x9b18, 0x4d81, 0x9a23,
+  0x4c3f, 0x9931, 0x4afb, 0x9843, 0x49b4, 0x975a, 0x4869, 0x9674,
+  0x471c, 0x9593, 0x45cd, 0x94b6, 0x447a, 0x93dc, 0x4325, 0x9307,
+  0x41ce, 0x9236, 0x4073, 0x916a, 0x3f17, 0x90a1, 0x3db8, 0x8fdd,
+  0x3c56, 0x8f1e, 0x3af2, 0x8e62, 0x398c, 0x8dab, 0x3824, 0x8cf9,
+  0x36ba, 0x8c4b, 0x354d, 0x8ba1, 0x33de, 0x8afc, 0x326e, 0x8a5b,
+  0x30fb, 0x89bf, 0x2f87, 0x8927, 0x2e11, 0x8894, 0x2c98, 0x8806,
+  0x2b1f, 0x877c, 0x29a3, 0x86f7, 0x2826, 0x8676, 0x26a8, 0x85fb,
+  0x2528, 0x8583, 0x23a6, 0x8511, 0x2223, 0x84a3, 0x209f, 0x843b,
+  0x1f19, 0x83d7, 0x1d93, 0x8377, 0x1c0b, 0x831d, 0x1a82, 0x82c7,
+  0x18f8, 0x8276, 0x176d, 0x822a, 0x15e2, 0x81e3, 0x1455, 0x81a1,
+  0x12c8, 0x8163, 0x1139, 0x812b, 0xfab, 0x80f7, 0xe1b, 0x80c8,
+  0xc8b, 0x809e, 0xafb, 0x8079, 0x96a, 0x8059, 0x7d9, 0x803e,
+  0x647, 0x8028, 0x4b6, 0x8017, 0x324, 0x800a, 0x192, 0x8003,
+};
+
+static const q15_t ALIGN4 WeightsQ15_512[1024] = {
+  0x7fff, 0x0, 0x7fff, 0xff9c, 0x7fff, 0xff37, 0x7ffe, 0xfed3,
+  0x7ffd, 0xfe6e, 0x7ffc, 0xfe0a, 0x7ffa, 0xfda5, 0x7ff8, 0xfd41,
+  0x7ff6, 0xfcdc, 0x7ff3, 0xfc78, 0x7ff0, 0xfc13, 0x7fed, 0xfbaf,
+  0x7fe9, 0xfb4a, 0x7fe5, 0xfae6, 0x7fe1, 0xfa81, 0x7fdd, 0xfa1d,
+  0x7fd8, 0xf9b9, 0x7fd3, 0xf954, 0x7fce, 0xf8f0, 0x7fc8, 0xf88b,
+  0x7fc2, 0xf827, 0x7fbc, 0xf7c3, 0x7fb5, 0xf75e, 0x7fae, 0xf6fa,
+  0x7fa7, 0xf696, 0x7f9f, 0xf632, 0x7f97, 0xf5cd, 0x7f8f, 0xf569,
+  0x7f87, 0xf505, 0x7f7e, 0xf4a1, 0x7f75, 0xf43d, 0x7f6b, 0xf3d9,
+  0x7f62, 0xf375, 0x7f58, 0xf311, 0x7f4d, 0xf2ad, 0x7f43, 0xf249,
+  0x7f38, 0xf1e5, 0x7f2d, 0xf181, 0x7f21, 0xf11d, 0x7f15, 0xf0b9,
+  0x7f09, 0xf055, 0x7efd, 0xeff2, 0x7ef0, 0xef8e, 0x7ee3, 0xef2a,
+  0x7ed5, 0xeec7, 0x7ec8, 0xee63, 0x7eba, 0xedff, 0x7eab, 0xed9c,
+  0x7e9d, 0xed38, 0x7e8e, 0xecd5, 0x7e7f, 0xec72, 0x7e6f, 0xec0e,
+  0x7e5f, 0xebab, 0x7e4f, 0xeb48, 0x7e3f, 0xeae5, 0x7e2e, 0xea81,
+  0x7e1d, 0xea1e, 0x7e0c, 0xe9bb, 0x7dfa, 0xe958, 0x7de8, 0xe8f6,
+  0x7dd6, 0xe893, 0x7dc3, 0xe830, 0x7db0, 0xe7cd, 0x7d9d, 0xe76a,
+  0x7d8a, 0xe708, 0x7d76, 0xe6a5, 0x7d62, 0xe643, 0x7d4e, 0xe5e0,
+  0x7d39, 0xe57e, 0x7d24, 0xe51c, 0x7d0f, 0xe4b9, 0x7cf9, 0xe457,
+  0x7ce3, 0xe3f5, 0x7ccd, 0xe393, 0x7cb7, 0xe331, 0x7ca0, 0xe2cf,
+  0x7c89, 0xe26d, 0x7c71, 0xe20b, 0x7c5a, 0xe1aa, 0x7c42, 0xe148,
+  0x7c29, 0xe0e7, 0x7c11, 0xe085, 0x7bf8, 0xe024, 0x7bdf, 0xdfc2,
+  0x7bc5, 0xdf61, 0x7bac, 0xdf00, 0x7b92, 0xde9f, 0x7b77, 0xde3e,
+  0x7b5d, 0xdddd, 0x7b42, 0xdd7c, 0x7b26, 0xdd1b, 0x7b0b, 0xdcbb,
+  0x7aef, 0xdc5a, 0x7ad3, 0xdbf9, 0x7ab6, 0xdb99, 0x7a9a, 0xdb39,
+  0x7a7d, 0xdad8, 0x7a5f, 0xda78, 0x7a42, 0xda18, 0x7a24, 0xd9b8,
+  0x7a05, 0xd958, 0x79e7, 0xd8f9, 0x79c8, 0xd899, 0x79a9, 0xd839,
+  0x798a, 0xd7da, 0x796a, 0xd77a, 0x794a, 0xd71b, 0x792a, 0xd6bc,
+  0x7909, 0xd65d, 0x78e8, 0xd5fe, 0x78c7, 0xd59f, 0x78a6, 0xd540,
+  0x7884, 0xd4e1, 0x7862, 0xd483, 0x7840, 0xd424, 0x781d, 0xd3c6,
+  0x77fa, 0xd368, 0x77d7, 0xd309, 0x77b4, 0xd2ab, 0x7790, 0xd24d,
+  0x776c, 0xd1ef, 0x7747, 0xd192, 0x7723, 0xd134, 0x76fe, 0xd0d7,
+  0x76d9, 0xd079, 0x76b3, 0xd01c, 0x768e, 0xcfbf, 0x7668, 0xcf62,
+  0x7641, 0xcf05, 0x761b, 0xcea8, 0x75f4, 0xce4b, 0x75cc, 0xcdef,
+  0x75a5, 0xcd92, 0x757d, 0xcd36, 0x7555, 0xccda, 0x752d, 0xcc7e,
+  0x7504, 0xcc22, 0x74db, 0xcbc6, 0x74b2, 0xcb6a, 0x7489, 0xcb0e,
+  0x745f, 0xcab3, 0x7435, 0xca58, 0x740b, 0xc9fc, 0x73e0, 0xc9a1,
+  0x73b5, 0xc946, 0x738a, 0xc8ec, 0x735f, 0xc891, 0x7333, 0xc836,
+  0x7307, 0xc7dc, 0x72db, 0xc782, 0x72af, 0xc728, 0x7282, 0xc6ce,
+  0x7255, 0xc674, 0x7227, 0xc61a, 0x71fa, 0xc5c0, 0x71cc, 0xc567,
+  0x719e, 0xc50e, 0x716f, 0xc4b4, 0x7141, 0xc45b, 0x7112, 0xc403,
+  0x70e2, 0xc3aa, 0x70b3, 0xc351, 0x7083, 0xc2f9, 0x7053, 0xc2a0,
+  0x7023, 0xc248, 0x6ff2, 0xc1f0, 0x6fc1, 0xc198, 0x6f90, 0xc141,
+  0x6f5f, 0xc0e9, 0x6f2d, 0xc092, 0x6efb, 0xc03b, 0x6ec9, 0xbfe3,
+  0x6e96, 0xbf8d, 0x6e63, 0xbf36, 0x6e30, 0xbedf, 0x6dfd, 0xbe89,
+  0x6dca, 0xbe32, 0x6d96, 0xbddc, 0x6d62, 0xbd86, 0x6d2d, 0xbd30,
+  0x6cf9, 0xbcdb, 0x6cc4, 0xbc85, 0x6c8f, 0xbc30, 0x6c59, 0xbbdb,
+  0x6c24, 0xbb86, 0x6bee, 0xbb31, 0x6bb8, 0xbadc, 0x6b81, 0xba88,
+  0x6b4a, 0xba33, 0x6b13, 0xb9df, 0x6adc, 0xb98b, 0x6aa5, 0xb937,
+  0x6a6d, 0xb8e4, 0x6a35, 0xb890, 0x69fd, 0xb83d, 0x69c4, 0xb7ea,
+  0x698c, 0xb797, 0x6953, 0xb744, 0x6919, 0xb6f1, 0x68e0, 0xb69f,
+  0x68a6, 0xb64c, 0x686c, 0xb5fa, 0x6832, 0xb5a8, 0x67f7, 0xb557,
+  0x67bd, 0xb505, 0x6782, 0xb4b4, 0x6746, 0xb462, 0x670b, 0xb411,
+  0x66cf, 0xb3c1, 0x6693, 0xb370, 0x6657, 0xb31f, 0x661a, 0xb2cf,
+  0x65dd, 0xb27f, 0x65a0, 0xb22f, 0x6563, 0xb1df, 0x6526, 0xb190,
+  0x64e8, 0xb141, 0x64aa, 0xb0f1, 0x646c, 0xb0a2, 0x642d, 0xb054,
+  0x63ef, 0xb005, 0x63b0, 0xafb7, 0x6371, 0xaf69, 0x6331, 0xaf1b,
+  0x62f2, 0xaecd, 0x62b2, 0xae7f, 0x6271, 0xae32, 0x6231, 0xade4,
+  0x61f1, 0xad97, 0x61b0, 0xad4b, 0x616f, 0xacfe, 0x612d, 0xacb2,
+  0x60ec, 0xac65, 0x60aa, 0xac19, 0x6068, 0xabcd, 0x6026, 0xab82,
+  0x5fe3, 0xab36, 0x5fa0, 0xaaeb, 0x5f5e, 0xaaa0, 0x5f1a, 0xaa55,
+  0x5ed7, 0xaa0b, 0x5e93, 0xa9c0, 0x5e50, 0xa976, 0x5e0b, 0xa92c,
+  0x5dc7, 0xa8e3, 0x5d83, 0xa899, 0x5d3e, 0xa850, 0x5cf9, 0xa807,
+  0x5cb4, 0xa7be, 0x5c6e, 0xa775, 0x5c29, 0xa72c, 0x5be3, 0xa6e4,
+  0x5b9d, 0xa69c, 0x5b56, 0xa654, 0x5b10, 0xa60d, 0x5ac9, 0xa5c5,
+  0x5a82, 0xa57e, 0x5a3b, 0xa537, 0x59f3, 0xa4f0, 0x59ac, 0xa4aa,
+  0x5964, 0xa463, 0x591c, 0xa41d, 0x58d4, 0xa3d7, 0x588b, 0xa392,
+  0x5842, 0xa34c, 0x57f9, 0xa307, 0x57b0, 0xa2c2, 0x5767, 0xa27d,
+  0x571d, 0xa239, 0x56d4, 0xa1f5, 0x568a, 0xa1b0, 0x5640, 0xa16d,
+  0x55f5, 0xa129, 0x55ab, 0xa0e6, 0x5560, 0xa0a2, 0x5515, 0xa060,
+  0x54ca, 0xa01d, 0x547e, 0x9fda, 0x5433, 0x9f98, 0x53e7, 0x9f56,
+  0x539b, 0x9f14, 0x534e, 0x9ed3, 0x5302, 0x9e91, 0x52b5, 0x9e50,
+  0x5269, 0x9e0f, 0x521c, 0x9dcf, 0x51ce, 0x9d8f, 0x5181, 0x9d4e,
+  0x5133, 0x9d0e, 0x50e5, 0x9ccf, 0x5097, 0x9c8f, 0x5049, 0x9c50,
+  0x4ffb, 0x9c11, 0x4fac, 0x9bd3, 0x4f5e, 0x9b94, 0x4f0f, 0x9b56,
+  0x4ebf, 0x9b18, 0x4e70, 0x9ada, 0x4e21, 0x9a9d, 0x4dd1, 0x9a60,
+  0x4d81, 0x9a23, 0x4d31, 0x99e6, 0x4ce1, 0x99a9, 0x4c90, 0x996d,
+  0x4c3f, 0x9931, 0x4bef, 0x98f5, 0x4b9e, 0x98ba, 0x4b4c, 0x987e,
+  0x4afb, 0x9843, 0x4aa9, 0x9809, 0x4a58, 0x97ce, 0x4a06, 0x9794,
+  0x49b4, 0x975a, 0x4961, 0x9720, 0x490f, 0x96e7, 0x48bc, 0x96ad,
+  0x4869, 0x9674, 0x4816, 0x963c, 0x47c3, 0x9603, 0x4770, 0x95cb,
+  0x471c, 0x9593, 0x46c9, 0x955b, 0x4675, 0x9524, 0x4621, 0x94ed,
+  0x45cd, 0x94b6, 0x4578, 0x947f, 0x4524, 0x9448, 0x44cf, 0x9412,
+  0x447a, 0x93dc, 0x4425, 0x93a7, 0x43d0, 0x9371, 0x437b, 0x933c,
+  0x4325, 0x9307, 0x42d0, 0x92d3, 0x427a, 0x929e, 0x4224, 0x926a,
+  0x41ce, 0x9236, 0x4177, 0x9203, 0x4121, 0x91d0, 0x40ca, 0x919d,
+  0x4073, 0x916a, 0x401d, 0x9137, 0x3fc5, 0x9105, 0x3f6e, 0x90d3,
+  0x3f17, 0x90a1, 0x3ebf, 0x9070, 0x3e68, 0x903f, 0x3e10, 0x900e,
+  0x3db8, 0x8fdd, 0x3d60, 0x8fad, 0x3d07, 0x8f7d, 0x3caf, 0x8f4d,
+  0x3c56, 0x8f1e, 0x3bfd, 0x8eee, 0x3ba5, 0x8ebf, 0x3b4c, 0x8e91,
+  0x3af2, 0x8e62, 0x3a99, 0x8e34, 0x3a40, 0x8e06, 0x39e6, 0x8dd9,
+  0x398c, 0x8dab, 0x3932, 0x8d7e, 0x38d8, 0x8d51, 0x387e, 0x8d25,
+  0x3824, 0x8cf9, 0x37ca, 0x8ccd, 0x376f, 0x8ca1, 0x3714, 0x8c76,
+  0x36ba, 0x8c4b, 0x365f, 0x8c20, 0x3604, 0x8bf5, 0x35a8, 0x8bcb,
+  0x354d, 0x8ba1, 0x34f2, 0x8b77, 0x3496, 0x8b4e, 0x343a, 0x8b25,
+  0x33de, 0x8afc, 0x3382, 0x8ad3, 0x3326, 0x8aab, 0x32ca, 0x8a83,
+  0x326e, 0x8a5b, 0x3211, 0x8a34, 0x31b5, 0x8a0c, 0x3158, 0x89e5,
+  0x30fb, 0x89bf, 0x309e, 0x8998, 0x3041, 0x8972, 0x2fe4, 0x894d,
+  0x2f87, 0x8927, 0x2f29, 0x8902, 0x2ecc, 0x88dd, 0x2e6e, 0x88b9,
+  0x2e11, 0x8894, 0x2db3, 0x8870, 0x2d55, 0x884c, 0x2cf7, 0x8829,
+  0x2c98, 0x8806, 0x2c3a, 0x87e3, 0x2bdc, 0x87c0, 0x2b7d, 0x879e,
+  0x2b1f, 0x877c, 0x2ac0, 0x875a, 0x2a61, 0x8739, 0x2a02, 0x8718,
+  0x29a3, 0x86f7, 0x2944, 0x86d6, 0x28e5, 0x86b6, 0x2886, 0x8696,
+  0x2826, 0x8676, 0x27c7, 0x8657, 0x2767, 0x8638, 0x2707, 0x8619,
+  0x26a8, 0x85fb, 0x2648, 0x85dc, 0x25e8, 0x85be, 0x2588, 0x85a1,
+  0x2528, 0x8583, 0x24c7, 0x8566, 0x2467, 0x854a, 0x2407, 0x852d,
+  0x23a6, 0x8511, 0x2345, 0x84f5, 0x22e5, 0x84da, 0x2284, 0x84be,
+  0x2223, 0x84a3, 0x21c2, 0x8489, 0x2161, 0x846e, 0x2100, 0x8454,
+  0x209f, 0x843b, 0x203e, 0x8421, 0x1fdc, 0x8408, 0x1f7b, 0x83ef,
+  0x1f19, 0x83d7, 0x1eb8, 0x83be, 0x1e56, 0x83a6, 0x1df5, 0x838f,
+  0x1d93, 0x8377, 0x1d31, 0x8360, 0x1ccf, 0x8349, 0x1c6d, 0x8333,
+  0x1c0b, 0x831d, 0x1ba9, 0x8307, 0x1b47, 0x82f1, 0x1ae4, 0x82dc,
+  0x1a82, 0x82c7, 0x1a20, 0x82b2, 0x19bd, 0x829e, 0x195b, 0x828a,
+  0x18f8, 0x8276, 0x1896, 0x8263, 0x1833, 0x8250, 0x17d0, 0x823d,
+  0x176d, 0x822a, 0x170a, 0x8218, 0x16a8, 0x8206, 0x1645, 0x81f4,
+  0x15e2, 0x81e3, 0x157f, 0x81d2, 0x151b, 0x81c1, 0x14b8, 0x81b1,
+  0x1455, 0x81a1, 0x13f2, 0x8191, 0x138e, 0x8181, 0x132b, 0x8172,
+  0x12c8, 0x8163, 0x1264, 0x8155, 0x1201, 0x8146, 0x119d, 0x8138,
+  0x1139, 0x812b, 0x10d6, 0x811d, 0x1072, 0x8110, 0x100e, 0x8103,
+  0xfab, 0x80f7, 0xf47, 0x80eb, 0xee3, 0x80df, 0xe7f, 0x80d3,
+  0xe1b, 0x80c8, 0xdb7, 0x80bd, 0xd53, 0x80b3, 0xcef, 0x80a8,
+  0xc8b, 0x809e, 0xc27, 0x8095, 0xbc3, 0x808b, 0xb5f, 0x8082,
+  0xafb, 0x8079, 0xa97, 0x8071, 0xa33, 0x8069, 0x9ce, 0x8061,
+  0x96a, 0x8059, 0x906, 0x8052, 0x8a2, 0x804b, 0x83d, 0x8044,
+  0x7d9, 0x803e, 0x775, 0x8038, 0x710, 0x8032, 0x6ac, 0x802d,
+  0x647, 0x8028, 0x5e3, 0x8023, 0x57f, 0x801f, 0x51a, 0x801b,
+  0x4b6, 0x8017, 0x451, 0x8013, 0x3ed, 0x8010, 0x388, 0x800d,
+  0x324, 0x800a, 0x2bf, 0x8008, 0x25b, 0x8006, 0x1f6, 0x8004,
+  0x192, 0x8003, 0x12d, 0x8002, 0xc9, 0x8001, 0x64, 0x8001,
+};
+
+static const q15_t ALIGN4 WeightsQ15_2048[4096] = {
+  0x7fff, 0x0, 0x7fff, 0xffe7, 0x7fff, 0xffce, 0x7fff, 0xffb5,
+  0x7fff, 0xff9c, 0x7fff, 0xff83, 0x7fff, 0xff6a, 0x7fff, 0xff51,
+  0x7fff, 0xff37, 0x7fff, 0xff1e, 0x7fff, 0xff05, 0x7ffe, 0xfeec,
+  0x7ffe, 0xfed3, 0x7ffe, 0xfeba, 0x7ffe, 0xfea1, 0x7ffd, 0xfe88,
+  0x7ffd, 0xfe6e, 0x7ffd, 0xfe55, 0x7ffc, 0xfe3c, 0x7ffc, 0xfe23,
+  0x7ffc, 0xfe0a, 0x7ffb, 0xfdf1, 0x7ffb, 0xfdd8, 0x7ffa, 0xfdbe,
+  0x7ffa, 0xfda5, 0x7ff9, 0xfd8c, 0x7ff9, 0xfd73, 0x7ff8, 0xfd5a,
+  0x7ff8, 0xfd41, 0x7ff7, 0xfd28, 0x7ff7, 0xfd0f, 0x7ff6, 0xfcf5,
+  0x7ff6, 0xfcdc, 0x7ff5, 0xfcc3, 0x7ff4, 0xfcaa, 0x7ff4, 0xfc91,
+  0x7ff3, 0xfc78, 0x7ff2, 0xfc5f, 0x7ff2, 0xfc46, 0x7ff1, 0xfc2c,
+  0x7ff0, 0xfc13, 0x7fef, 0xfbfa, 0x7fee, 0xfbe1, 0x7fee, 0xfbc8,
+  0x7fed, 0xfbaf, 0x7fec, 0xfb96, 0x7feb, 0xfb7d, 0x7fea, 0xfb64,
+  0x7fe9, 0xfb4a, 0x7fe8, 0xfb31, 0x7fe7, 0xfb18, 0x7fe6, 0xfaff,
+  0x7fe5, 0xfae6, 0x7fe4, 0xfacd, 0x7fe3, 0xfab4, 0x7fe2, 0xfa9b,
+  0x7fe1, 0xfa81, 0x7fe0, 0xfa68, 0x7fdf, 0xfa4f, 0x7fde, 0xfa36,
+  0x7fdd, 0xfa1d, 0x7fdc, 0xfa04, 0x7fda, 0xf9eb, 0x7fd9, 0xf9d2,
+  0x7fd8, 0xf9b9, 0x7fd7, 0xf9a0, 0x7fd6, 0xf986, 0x7fd4, 0xf96d,
+  0x7fd3, 0xf954, 0x7fd2, 0xf93b, 0x7fd0, 0xf922, 0x7fcf, 0xf909,
+  0x7fce, 0xf8f0, 0x7fcc, 0xf8d7, 0x7fcb, 0xf8be, 0x7fc9, 0xf8a5,
+  0x7fc8, 0xf88b, 0x7fc6, 0xf872, 0x7fc5, 0xf859, 0x7fc3, 0xf840,
+  0x7fc2, 0xf827, 0x7fc0, 0xf80e, 0x7fbf, 0xf7f5, 0x7fbd, 0xf7dc,
+  0x7fbc, 0xf7c3, 0x7fba, 0xf7aa, 0x7fb8, 0xf791, 0x7fb7, 0xf778,
+  0x7fb5, 0xf75e, 0x7fb3, 0xf745, 0x7fb1, 0xf72c, 0x7fb0, 0xf713,
+  0x7fae, 0xf6fa, 0x7fac, 0xf6e1, 0x7faa, 0xf6c8, 0x7fa9, 0xf6af,
+  0x7fa7, 0xf696, 0x7fa5, 0xf67d, 0x7fa3, 0xf664, 0x7fa1, 0xf64b,
+  0x7f9f, 0xf632, 0x7f9d, 0xf619, 0x7f9b, 0xf600, 0x7f99, 0xf5e7,
+  0x7f97, 0xf5cd, 0x7f95, 0xf5b4, 0x7f93, 0xf59b, 0x7f91, 0xf582,
+  0x7f8f, 0xf569, 0x7f8d, 0xf550, 0x7f8b, 0xf537, 0x7f89, 0xf51e,
+  0x7f87, 0xf505, 0x7f85, 0xf4ec, 0x7f82, 0xf4d3, 0x7f80, 0xf4ba,
+  0x7f7e, 0xf4a1, 0x7f7c, 0xf488, 0x7f79, 0xf46f, 0x7f77, 0xf456,
+  0x7f75, 0xf43d, 0x7f72, 0xf424, 0x7f70, 0xf40b, 0x7f6e, 0xf3f2,
+  0x7f6b, 0xf3d9, 0x7f69, 0xf3c0, 0x7f67, 0xf3a7, 0x7f64, 0xf38e,
+  0x7f62, 0xf375, 0x7f5f, 0xf35c, 0x7f5d, 0xf343, 0x7f5a, 0xf32a,
+  0x7f58, 0xf311, 0x7f55, 0xf2f8, 0x7f53, 0xf2df, 0x7f50, 0xf2c6,
+  0x7f4d, 0xf2ad, 0x7f4b, 0xf294, 0x7f48, 0xf27b, 0x7f45, 0xf262,
+  0x7f43, 0xf249, 0x7f40, 0xf230, 0x7f3d, 0xf217, 0x7f3b, 0xf1fe,
+  0x7f38, 0xf1e5, 0x7f35, 0xf1cc, 0x7f32, 0xf1b3, 0x7f2f, 0xf19a,
+  0x7f2d, 0xf181, 0x7f2a, 0xf168, 0x7f27, 0xf14f, 0x7f24, 0xf136,
+  0x7f21, 0xf11d, 0x7f1e, 0xf104, 0x7f1b, 0xf0eb, 0x7f18, 0xf0d2,
+  0x7f15, 0xf0b9, 0x7f12, 0xf0a0, 0x7f0f, 0xf087, 0x7f0c, 0xf06e,
+  0x7f09, 0xf055, 0x7f06, 0xf03c, 0x7f03, 0xf023, 0x7f00, 0xf00b,
+  0x7efd, 0xeff2, 0x7ef9, 0xefd9, 0x7ef6, 0xefc0, 0x7ef3, 0xefa7,
+  0x7ef0, 0xef8e, 0x7eed, 0xef75, 0x7ee9, 0xef5c, 0x7ee6, 0xef43,
+  0x7ee3, 0xef2a, 0x7edf, 0xef11, 0x7edc, 0xeef8, 0x7ed9, 0xeedf,
+  0x7ed5, 0xeec7, 0x7ed2, 0xeeae, 0x7ecf, 0xee95, 0x7ecb, 0xee7c,
+  0x7ec8, 0xee63, 0x7ec4, 0xee4a, 0x7ec1, 0xee31, 0x7ebd, 0xee18,
+  0x7eba, 0xedff, 0x7eb6, 0xede7, 0x7eb3, 0xedce, 0x7eaf, 0xedb5,
+  0x7eab, 0xed9c, 0x7ea8, 0xed83, 0x7ea4, 0xed6a, 0x7ea1, 0xed51,
+  0x7e9d, 0xed38, 0x7e99, 0xed20, 0x7e95, 0xed07, 0x7e92, 0xecee,
+  0x7e8e, 0xecd5, 0x7e8a, 0xecbc, 0x7e86, 0xeca3, 0x7e83, 0xec8a,
+  0x7e7f, 0xec72, 0x7e7b, 0xec59, 0x7e77, 0xec40, 0x7e73, 0xec27,
+  0x7e6f, 0xec0e, 0x7e6b, 0xebf5, 0x7e67, 0xebdd, 0x7e63, 0xebc4,
+  0x7e5f, 0xebab, 0x7e5b, 0xeb92, 0x7e57, 0xeb79, 0x7e53, 0xeb61,
+  0x7e4f, 0xeb48, 0x7e4b, 0xeb2f, 0x7e47, 0xeb16, 0x7e43, 0xeafd,
+  0x7e3f, 0xeae5, 0x7e3b, 0xeacc, 0x7e37, 0xeab3, 0x7e32, 0xea9a,
+  0x7e2e, 0xea81, 0x7e2a, 0xea69, 0x7e26, 0xea50, 0x7e21, 0xea37,
+  0x7e1d, 0xea1e, 0x7e19, 0xea06, 0x7e14, 0xe9ed, 0x7e10, 0xe9d4,
+  0x7e0c, 0xe9bb, 0x7e07, 0xe9a3, 0x7e03, 0xe98a, 0x7dff, 0xe971,
+  0x7dfa, 0xe958, 0x7df6, 0xe940, 0x7df1, 0xe927, 0x7ded, 0xe90e,
+  0x7de8, 0xe8f6, 0x7de4, 0xe8dd, 0x7ddf, 0xe8c4, 0x7dda, 0xe8ab,
+  0x7dd6, 0xe893, 0x7dd1, 0xe87a, 0x7dcd, 0xe861, 0x7dc8, 0xe849,
+  0x7dc3, 0xe830, 0x7dbf, 0xe817, 0x7dba, 0xe7fe, 0x7db5, 0xe7e6,
+  0x7db0, 0xe7cd, 0x7dac, 0xe7b4, 0x7da7, 0xe79c, 0x7da2, 0xe783,
+  0x7d9d, 0xe76a, 0x7d98, 0xe752, 0x7d94, 0xe739, 0x7d8f, 0xe720,
+  0x7d8a, 0xe708, 0x7d85, 0xe6ef, 0x7d80, 0xe6d6, 0x7d7b, 0xe6be,
+  0x7d76, 0xe6a5, 0x7d71, 0xe68d, 0x7d6c, 0xe674, 0x7d67, 0xe65b,
+  0x7d62, 0xe643, 0x7d5d, 0xe62a, 0x7d58, 0xe611, 0x7d53, 0xe5f9,
+  0x7d4e, 0xe5e0, 0x7d49, 0xe5c8, 0x7d43, 0xe5af, 0x7d3e, 0xe596,
+  0x7d39, 0xe57e, 0x7d34, 0xe565, 0x7d2f, 0xe54d, 0x7d29, 0xe534,
+  0x7d24, 0xe51c, 0x7d1f, 0xe503, 0x7d19, 0xe4ea, 0x7d14, 0xe4d2,
+  0x7d0f, 0xe4b9, 0x7d09, 0xe4a1, 0x7d04, 0xe488, 0x7cff, 0xe470,
+  0x7cf9, 0xe457, 0x7cf4, 0xe43f, 0x7cee, 0xe426, 0x7ce9, 0xe40e,
+  0x7ce3, 0xe3f5, 0x7cde, 0xe3dc, 0x7cd8, 0xe3c4, 0x7cd3, 0xe3ab,
+  0x7ccd, 0xe393, 0x7cc8, 0xe37a, 0x7cc2, 0xe362, 0x7cbc, 0xe349,
+  0x7cb7, 0xe331, 0x7cb1, 0xe318, 0x7cab, 0xe300, 0x7ca6, 0xe2e8,
+  0x7ca0, 0xe2cf, 0x7c9a, 0xe2b7, 0x7c94, 0xe29e, 0x7c8f, 0xe286,
+  0x7c89, 0xe26d, 0x7c83, 0xe255, 0x7c7d, 0xe23c, 0x7c77, 0xe224,
+  0x7c71, 0xe20b, 0x7c6c, 0xe1f3, 0x7c66, 0xe1db, 0x7c60, 0xe1c2,
+  0x7c5a, 0xe1aa, 0x7c54, 0xe191, 0x7c4e, 0xe179, 0x7c48, 0xe160,
+  0x7c42, 0xe148, 0x7c3c, 0xe130, 0x7c36, 0xe117, 0x7c30, 0xe0ff,
+  0x7c29, 0xe0e7, 0x7c23, 0xe0ce, 0x7c1d, 0xe0b6, 0x7c17, 0xe09d,
+  0x7c11, 0xe085, 0x7c0b, 0xe06d, 0x7c05, 0xe054, 0x7bfe, 0xe03c,
+  0x7bf8, 0xe024, 0x7bf2, 0xe00b, 0x7beb, 0xdff3, 0x7be5, 0xdfdb,
+  0x7bdf, 0xdfc2, 0x7bd9, 0xdfaa, 0x7bd2, 0xdf92, 0x7bcc, 0xdf79,
+  0x7bc5, 0xdf61, 0x7bbf, 0xdf49, 0x7bb9, 0xdf30, 0x7bb2, 0xdf18,
+  0x7bac, 0xdf00, 0x7ba5, 0xdee8, 0x7b9f, 0xdecf, 0x7b98, 0xdeb7,
+  0x7b92, 0xde9f, 0x7b8b, 0xde87, 0x7b84, 0xde6e, 0x7b7e, 0xde56,
+  0x7b77, 0xde3e, 0x7b71, 0xde26, 0x7b6a, 0xde0d, 0x7b63, 0xddf5,
+  0x7b5d, 0xdddd, 0x7b56, 0xddc5, 0x7b4f, 0xddac, 0x7b48, 0xdd94,
+  0x7b42, 0xdd7c, 0x7b3b, 0xdd64, 0x7b34, 0xdd4c, 0x7b2d, 0xdd33,
+  0x7b26, 0xdd1b, 0x7b1f, 0xdd03, 0x7b19, 0xdceb, 0x7b12, 0xdcd3,
+  0x7b0b, 0xdcbb, 0x7b04, 0xdca2, 0x7afd, 0xdc8a, 0x7af6, 0xdc72,
+  0x7aef, 0xdc5a, 0x7ae8, 0xdc42, 0x7ae1, 0xdc2a, 0x7ada, 0xdc12,
+  0x7ad3, 0xdbf9, 0x7acc, 0xdbe1, 0x7ac5, 0xdbc9, 0x7abd, 0xdbb1,
+  0x7ab6, 0xdb99, 0x7aaf, 0xdb81, 0x7aa8, 0xdb69, 0x7aa1, 0xdb51,
+  0x7a9a, 0xdb39, 0x7a92, 0xdb21, 0x7a8b, 0xdb09, 0x7a84, 0xdaf1,
+  0x7a7d, 0xdad8, 0x7a75, 0xdac0, 0x7a6e, 0xdaa8, 0x7a67, 0xda90,
+  0x7a5f, 0xda78, 0x7a58, 0xda60, 0x7a50, 0xda48, 0x7a49, 0xda30,
+  0x7a42, 0xda18, 0x7a3a, 0xda00, 0x7a33, 0xd9e8, 0x7a2b, 0xd9d0,
+  0x7a24, 0xd9b8, 0x7a1c, 0xd9a0, 0x7a15, 0xd988, 0x7a0d, 0xd970,
+  0x7a05, 0xd958, 0x79fe, 0xd940, 0x79f6, 0xd928, 0x79ef, 0xd911,
+  0x79e7, 0xd8f9, 0x79df, 0xd8e1, 0x79d8, 0xd8c9, 0x79d0, 0xd8b1,
+  0x79c8, 0xd899, 0x79c0, 0xd881, 0x79b9, 0xd869, 0x79b1, 0xd851,
+  0x79a9, 0xd839, 0x79a1, 0xd821, 0x7999, 0xd80a, 0x7992, 0xd7f2,
+  0x798a, 0xd7da, 0x7982, 0xd7c2, 0x797a, 0xd7aa, 0x7972, 0xd792,
+  0x796a, 0xd77a, 0x7962, 0xd763, 0x795a, 0xd74b, 0x7952, 0xd733,
+  0x794a, 0xd71b, 0x7942, 0xd703, 0x793a, 0xd6eb, 0x7932, 0xd6d4,
+  0x792a, 0xd6bc, 0x7922, 0xd6a4, 0x7919, 0xd68c, 0x7911, 0xd675,
+  0x7909, 0xd65d, 0x7901, 0xd645, 0x78f9, 0xd62d, 0x78f1, 0xd615,
+  0x78e8, 0xd5fe, 0x78e0, 0xd5e6, 0x78d8, 0xd5ce, 0x78cf, 0xd5b7,
+  0x78c7, 0xd59f, 0x78bf, 0xd587, 0x78b6, 0xd56f, 0x78ae, 0xd558,
+  0x78a6, 0xd540, 0x789d, 0xd528, 0x7895, 0xd511, 0x788c, 0xd4f9,
+  0x7884, 0xd4e1, 0x787c, 0xd4ca, 0x7873, 0xd4b2, 0x786b, 0xd49a,
+  0x7862, 0xd483, 0x7859, 0xd46b, 0x7851, 0xd453, 0x7848, 0xd43c,
+  0x7840, 0xd424, 0x7837, 0xd40d, 0x782e, 0xd3f5, 0x7826, 0xd3dd,
+  0x781d, 0xd3c6, 0x7814, 0xd3ae, 0x780c, 0xd397, 0x7803, 0xd37f,
+  0x77fa, 0xd368, 0x77f1, 0xd350, 0x77e9, 0xd338, 0x77e0, 0xd321,
+  0x77d7, 0xd309, 0x77ce, 0xd2f2, 0x77c5, 0xd2da, 0x77bc, 0xd2c3,
+  0x77b4, 0xd2ab, 0x77ab, 0xd294, 0x77a2, 0xd27c, 0x7799, 0xd265,
+  0x7790, 0xd24d, 0x7787, 0xd236, 0x777e, 0xd21e, 0x7775, 0xd207,
+  0x776c, 0xd1ef, 0x7763, 0xd1d8, 0x775a, 0xd1c1, 0x7751, 0xd1a9,
+  0x7747, 0xd192, 0x773e, 0xd17a, 0x7735, 0xd163, 0x772c, 0xd14b,
+  0x7723, 0xd134, 0x771a, 0xd11d, 0x7710, 0xd105, 0x7707, 0xd0ee,
+  0x76fe, 0xd0d7, 0x76f5, 0xd0bf, 0x76eb, 0xd0a8, 0x76e2, 0xd091,
+  0x76d9, 0xd079, 0x76cf, 0xd062, 0x76c6, 0xd04b, 0x76bd, 0xd033,
+  0x76b3, 0xd01c, 0x76aa, 0xd005, 0x76a0, 0xcfed, 0x7697, 0xcfd6,
+  0x768e, 0xcfbf, 0x7684, 0xcfa7, 0x767b, 0xcf90, 0x7671, 0xcf79,
+  0x7668, 0xcf62, 0x765e, 0xcf4a, 0x7654, 0xcf33, 0x764b, 0xcf1c,
+  0x7641, 0xcf05, 0x7638, 0xceee, 0x762e, 0xced6, 0x7624, 0xcebf,
+  0x761b, 0xcea8, 0x7611, 0xce91, 0x7607, 0xce7a, 0x75fd, 0xce62,
+  0x75f4, 0xce4b, 0x75ea, 0xce34, 0x75e0, 0xce1d, 0x75d6, 0xce06,
+  0x75cc, 0xcdef, 0x75c3, 0xcdd8, 0x75b9, 0xcdc0, 0x75af, 0xcda9,
+  0x75a5, 0xcd92, 0x759b, 0xcd7b, 0x7591, 0xcd64, 0x7587, 0xcd4d,
+  0x757d, 0xcd36, 0x7573, 0xcd1f, 0x7569, 0xcd08, 0x755f, 0xccf1,
+  0x7555, 0xccda, 0x754b, 0xccc3, 0x7541, 0xccac, 0x7537, 0xcc95,
+  0x752d, 0xcc7e, 0x7523, 0xcc67, 0x7519, 0xcc50, 0x750f, 0xcc39,
+  0x7504, 0xcc22, 0x74fa, 0xcc0b, 0x74f0, 0xcbf4, 0x74e6, 0xcbdd,
+  0x74db, 0xcbc6, 0x74d1, 0xcbaf, 0x74c7, 0xcb98, 0x74bd, 0xcb81,
+  0x74b2, 0xcb6a, 0x74a8, 0xcb53, 0x749e, 0xcb3c, 0x7493, 0xcb25,
+  0x7489, 0xcb0e, 0x747e, 0xcaf8, 0x7474, 0xcae1, 0x746a, 0xcaca,
+  0x745f, 0xcab3, 0x7455, 0xca9c, 0x744a, 0xca85, 0x7440, 0xca6e,
+  0x7435, 0xca58, 0x742b, 0xca41, 0x7420, 0xca2a, 0x7415, 0xca13,
+  0x740b, 0xc9fc, 0x7400, 0xc9e6, 0x73f6, 0xc9cf, 0x73eb, 0xc9b8,
+  0x73e0, 0xc9a1, 0x73d6, 0xc98b, 0x73cb, 0xc974, 0x73c0, 0xc95d,
+  0x73b5, 0xc946, 0x73ab, 0xc930, 0x73a0, 0xc919, 0x7395, 0xc902,
+  0x738a, 0xc8ec, 0x737f, 0xc8d5, 0x7375, 0xc8be, 0x736a, 0xc8a8,
+  0x735f, 0xc891, 0x7354, 0xc87a, 0x7349, 0xc864, 0x733e, 0xc84d,
+  0x7333, 0xc836, 0x7328, 0xc820, 0x731d, 0xc809, 0x7312, 0xc7f3,
+  0x7307, 0xc7dc, 0x72fc, 0xc7c5, 0x72f1, 0xc7af, 0x72e6, 0xc798,
+  0x72db, 0xc782, 0x72d0, 0xc76b, 0x72c5, 0xc755, 0x72ba, 0xc73e,
+  0x72af, 0xc728, 0x72a3, 0xc711, 0x7298, 0xc6fa, 0x728d, 0xc6e4,
+  0x7282, 0xc6ce, 0x7276, 0xc6b7, 0x726b, 0xc6a1, 0x7260, 0xc68a,
+  0x7255, 0xc674, 0x7249, 0xc65d, 0x723e, 0xc647, 0x7233, 0xc630,
+  0x7227, 0xc61a, 0x721c, 0xc603, 0x7211, 0xc5ed, 0x7205, 0xc5d7,
+  0x71fa, 0xc5c0, 0x71ee, 0xc5aa, 0x71e3, 0xc594, 0x71d7, 0xc57d,
+  0x71cc, 0xc567, 0x71c0, 0xc551, 0x71b5, 0xc53a, 0x71a9, 0xc524,
+  0x719e, 0xc50e, 0x7192, 0xc4f7, 0x7186, 0xc4e1, 0x717b, 0xc4cb,
+  0x716f, 0xc4b4, 0x7164, 0xc49e, 0x7158, 0xc488, 0x714c, 0xc472,
+  0x7141, 0xc45b, 0x7135, 0xc445, 0x7129, 0xc42f, 0x711d, 0xc419,
+  0x7112, 0xc403, 0x7106, 0xc3ec, 0x70fa, 0xc3d6, 0x70ee, 0xc3c0,
+  0x70e2, 0xc3aa, 0x70d6, 0xc394, 0x70cb, 0xc37d, 0x70bf, 0xc367,
+  0x70b3, 0xc351, 0x70a7, 0xc33b, 0x709b, 0xc325, 0x708f, 0xc30f,
+  0x7083, 0xc2f9, 0x7077, 0xc2e3, 0x706b, 0xc2cd, 0x705f, 0xc2b7,
+  0x7053, 0xc2a0, 0x7047, 0xc28a, 0x703b, 0xc274, 0x702f, 0xc25e,
+  0x7023, 0xc248, 0x7016, 0xc232, 0x700a, 0xc21c, 0x6ffe, 0xc206,
+  0x6ff2, 0xc1f0, 0x6fe6, 0xc1da, 0x6fda, 0xc1c4, 0x6fcd, 0xc1ae,
+  0x6fc1, 0xc198, 0x6fb5, 0xc183, 0x6fa9, 0xc16d, 0x6f9c, 0xc157,
+  0x6f90, 0xc141, 0x6f84, 0xc12b, 0x6f77, 0xc115, 0x6f6b, 0xc0ff,
+  0x6f5f, 0xc0e9, 0x6f52, 0xc0d3, 0x6f46, 0xc0bd, 0x6f39, 0xc0a8,
+  0x6f2d, 0xc092, 0x6f20, 0xc07c, 0x6f14, 0xc066, 0x6f07, 0xc050,
+  0x6efb, 0xc03b, 0x6eee, 0xc025, 0x6ee2, 0xc00f, 0x6ed5, 0xbff9,
+  0x6ec9, 0xbfe3, 0x6ebc, 0xbfce, 0x6eaf, 0xbfb8, 0x6ea3, 0xbfa2,
+  0x6e96, 0xbf8d, 0x6e89, 0xbf77, 0x6e7d, 0xbf61, 0x6e70, 0xbf4b,
+  0x6e63, 0xbf36, 0x6e57, 0xbf20, 0x6e4a, 0xbf0a, 0x6e3d, 0xbef5,
+  0x6e30, 0xbedf, 0x6e24, 0xbeca, 0x6e17, 0xbeb4, 0x6e0a, 0xbe9e,
+  0x6dfd, 0xbe89, 0x6df0, 0xbe73, 0x6de3, 0xbe5e, 0x6dd6, 0xbe48,
+  0x6dca, 0xbe32, 0x6dbd, 0xbe1d, 0x6db0, 0xbe07, 0x6da3, 0xbdf2,
+  0x6d96, 0xbddc, 0x6d89, 0xbdc7, 0x6d7c, 0xbdb1, 0x6d6f, 0xbd9c,
+  0x6d62, 0xbd86, 0x6d55, 0xbd71, 0x6d48, 0xbd5b, 0x6d3a, 0xbd46,
+  0x6d2d, 0xbd30, 0x6d20, 0xbd1b, 0x6d13, 0xbd06, 0x6d06, 0xbcf0,
+  0x6cf9, 0xbcdb, 0x6cec, 0xbcc5, 0x6cde, 0xbcb0, 0x6cd1, 0xbc9b,
+  0x6cc4, 0xbc85, 0x6cb7, 0xbc70, 0x6ca9, 0xbc5b, 0x6c9c, 0xbc45,
+  0x6c8f, 0xbc30, 0x6c81, 0xbc1b, 0x6c74, 0xbc05, 0x6c67, 0xbbf0,
+  0x6c59, 0xbbdb, 0x6c4c, 0xbbc5, 0x6c3f, 0xbbb0, 0x6c31, 0xbb9b,
+  0x6c24, 0xbb86, 0x6c16, 0xbb70, 0x6c09, 0xbb5b, 0x6bfb, 0xbb46,
+  0x6bee, 0xbb31, 0x6be0, 0xbb1c, 0x6bd3, 0xbb06, 0x6bc5, 0xbaf1,
+  0x6bb8, 0xbadc, 0x6baa, 0xbac7, 0x6b9c, 0xbab2, 0x6b8f, 0xba9d,
+  0x6b81, 0xba88, 0x6b73, 0xba73, 0x6b66, 0xba5d, 0x6b58, 0xba48,
+  0x6b4a, 0xba33, 0x6b3d, 0xba1e, 0x6b2f, 0xba09, 0x6b21, 0xb9f4,
+  0x6b13, 0xb9df, 0x6b06, 0xb9ca, 0x6af8, 0xb9b5, 0x6aea, 0xb9a0,
+  0x6adc, 0xb98b, 0x6ace, 0xb976, 0x6ac1, 0xb961, 0x6ab3, 0xb94c,
+  0x6aa5, 0xb937, 0x6a97, 0xb922, 0x6a89, 0xb90d, 0x6a7b, 0xb8f8,
+  0x6a6d, 0xb8e4, 0x6a5f, 0xb8cf, 0x6a51, 0xb8ba, 0x6a43, 0xb8a5,
+  0x6a35, 0xb890, 0x6a27, 0xb87b, 0x6a19, 0xb866, 0x6a0b, 0xb852,
+  0x69fd, 0xb83d, 0x69ef, 0xb828, 0x69e1, 0xb813, 0x69d3, 0xb7fe,
+  0x69c4, 0xb7ea, 0x69b6, 0xb7d5, 0x69a8, 0xb7c0, 0x699a, 0xb7ab,
+  0x698c, 0xb797, 0x697d, 0xb782, 0x696f, 0xb76d, 0x6961, 0xb758,
+  0x6953, 0xb744, 0x6944, 0xb72f, 0x6936, 0xb71a, 0x6928, 0xb706,
+  0x6919, 0xb6f1, 0x690b, 0xb6dd, 0x68fd, 0xb6c8, 0x68ee, 0xb6b3,
+  0x68e0, 0xb69f, 0x68d1, 0xb68a, 0x68c3, 0xb676, 0x68b5, 0xb661,
+  0x68a6, 0xb64c, 0x6898, 0xb638, 0x6889, 0xb623, 0x687b, 0xb60f,
+  0x686c, 0xb5fa, 0x685e, 0xb5e6, 0x684f, 0xb5d1, 0x6840, 0xb5bd,
+  0x6832, 0xb5a8, 0x6823, 0xb594, 0x6815, 0xb57f, 0x6806, 0xb56b,
+  0x67f7, 0xb557, 0x67e9, 0xb542, 0x67da, 0xb52e, 0x67cb, 0xb519,
+  0x67bd, 0xb505, 0x67ae, 0xb4f1, 0x679f, 0xb4dc, 0x6790, 0xb4c8,
+  0x6782, 0xb4b4, 0x6773, 0xb49f, 0x6764, 0xb48b, 0x6755, 0xb477,
+  0x6746, 0xb462, 0x6737, 0xb44e, 0x6729, 0xb43a, 0x671a, 0xb426,
+  0x670b, 0xb411, 0x66fc, 0xb3fd, 0x66ed, 0xb3e9, 0x66de, 0xb3d5,
+  0x66cf, 0xb3c1, 0x66c0, 0xb3ac, 0x66b1, 0xb398, 0x66a2, 0xb384,
+  0x6693, 0xb370, 0x6684, 0xb35c, 0x6675, 0xb348, 0x6666, 0xb334,
+  0x6657, 0xb31f, 0x6648, 0xb30b, 0x6639, 0xb2f7, 0x6629, 0xb2e3,
+  0x661a, 0xb2cf, 0x660b, 0xb2bb, 0x65fc, 0xb2a7, 0x65ed, 0xb293,
+  0x65dd, 0xb27f, 0x65ce, 0xb26b, 0x65bf, 0xb257, 0x65b0, 0xb243,
+  0x65a0, 0xb22f, 0x6591, 0xb21b, 0x6582, 0xb207, 0x6573, 0xb1f3,
+  0x6563, 0xb1df, 0x6554, 0xb1cc, 0x6545, 0xb1b8, 0x6535, 0xb1a4,
+  0x6526, 0xb190, 0x6516, 0xb17c, 0x6507, 0xb168, 0x64f7, 0xb154,
+  0x64e8, 0xb141, 0x64d9, 0xb12d, 0x64c9, 0xb119, 0x64ba, 0xb105,
+  0x64aa, 0xb0f1, 0x649b, 0xb0de, 0x648b, 0xb0ca, 0x647b, 0xb0b6,
+  0x646c, 0xb0a2, 0x645c, 0xb08f, 0x644d, 0xb07b, 0x643d, 0xb067,
+  0x642d, 0xb054, 0x641e, 0xb040, 0x640e, 0xb02c, 0x63fe, 0xb019,
+  0x63ef, 0xb005, 0x63df, 0xaff1, 0x63cf, 0xafde, 0x63c0, 0xafca,
+  0x63b0, 0xafb7, 0x63a0, 0xafa3, 0x6390, 0xaf90, 0x6380, 0xaf7c,
+  0x6371, 0xaf69, 0x6361, 0xaf55, 0x6351, 0xaf41, 0x6341, 0xaf2e,
+  0x6331, 0xaf1b, 0x6321, 0xaf07, 0x6311, 0xaef4, 0x6301, 0xaee0,
+  0x62f2, 0xaecd, 0x62e2, 0xaeb9, 0x62d2, 0xaea6, 0x62c2, 0xae92,
+  0x62b2, 0xae7f, 0x62a2, 0xae6c, 0x6292, 0xae58, 0x6282, 0xae45,
+  0x6271, 0xae32, 0x6261, 0xae1e, 0x6251, 0xae0b, 0x6241, 0xadf8,
+  0x6231, 0xade4, 0x6221, 0xadd1, 0x6211, 0xadbe, 0x6201, 0xadab,
+  0x61f1, 0xad97, 0x61e0, 0xad84, 0x61d0, 0xad71, 0x61c0, 0xad5e,
+  0x61b0, 0xad4b, 0x619f, 0xad37, 0x618f, 0xad24, 0x617f, 0xad11,
+  0x616f, 0xacfe, 0x615e, 0xaceb, 0x614e, 0xacd8, 0x613e, 0xacc5,
+  0x612d, 0xacb2, 0x611d, 0xac9e, 0x610d, 0xac8b, 0x60fc, 0xac78,
+  0x60ec, 0xac65, 0x60db, 0xac52, 0x60cb, 0xac3f, 0x60ba, 0xac2c,
+  0x60aa, 0xac19, 0x6099, 0xac06, 0x6089, 0xabf3, 0x6078, 0xabe0,
+  0x6068, 0xabcd, 0x6057, 0xabbb, 0x6047, 0xaba8, 0x6036, 0xab95,
+  0x6026, 0xab82, 0x6015, 0xab6f, 0x6004, 0xab5c, 0x5ff4, 0xab49,
+  0x5fe3, 0xab36, 0x5fd3, 0xab24, 0x5fc2, 0xab11, 0x5fb1, 0xaafe,
+  0x5fa0, 0xaaeb, 0x5f90, 0xaad8, 0x5f7f, 0xaac6, 0x5f6e, 0xaab3,
+  0x5f5e, 0xaaa0, 0x5f4d, 0xaa8e, 0x5f3c, 0xaa7b, 0x5f2b, 0xaa68,
+  0x5f1a, 0xaa55, 0x5f0a, 0xaa43, 0x5ef9, 0xaa30, 0x5ee8, 0xaa1d,
+  0x5ed7, 0xaa0b, 0x5ec6, 0xa9f8, 0x5eb5, 0xa9e6, 0x5ea4, 0xa9d3,
+  0x5e93, 0xa9c0, 0x5e82, 0xa9ae, 0x5e71, 0xa99b, 0x5e60, 0xa989,
+  0x5e50, 0xa976, 0x5e3f, 0xa964, 0x5e2d, 0xa951, 0x5e1c, 0xa93f,
+  0x5e0b, 0xa92c, 0x5dfa, 0xa91a, 0x5de9, 0xa907, 0x5dd8, 0xa8f5,
+  0x5dc7, 0xa8e3, 0x5db6, 0xa8d0, 0x5da5, 0xa8be, 0x5d94, 0xa8ab,
+  0x5d83, 0xa899, 0x5d71, 0xa887, 0x5d60, 0xa874, 0x5d4f, 0xa862,
+  0x5d3e, 0xa850, 0x5d2d, 0xa83d, 0x5d1b, 0xa82b, 0x5d0a, 0xa819,
+  0x5cf9, 0xa807, 0x5ce8, 0xa7f4, 0x5cd6, 0xa7e2, 0x5cc5, 0xa7d0,
+  0x5cb4, 0xa7be, 0x5ca2, 0xa7ab, 0x5c91, 0xa799, 0x5c80, 0xa787,
+  0x5c6e, 0xa775, 0x5c5d, 0xa763, 0x5c4b, 0xa751, 0x5c3a, 0xa73f,
+  0x5c29, 0xa72c, 0x5c17, 0xa71a, 0x5c06, 0xa708, 0x5bf4, 0xa6f6,
+  0x5be3, 0xa6e4, 0x5bd1, 0xa6d2, 0x5bc0, 0xa6c0, 0x5bae, 0xa6ae,
+  0x5b9d, 0xa69c, 0x5b8b, 0xa68a, 0x5b79, 0xa678, 0x5b68, 0xa666,
+  0x5b56, 0xa654, 0x5b45, 0xa642, 0x5b33, 0xa630, 0x5b21, 0xa61f,
+  0x5b10, 0xa60d, 0x5afe, 0xa5fb, 0x5aec, 0xa5e9, 0x5adb, 0xa5d7,
+  0x5ac9, 0xa5c5, 0x5ab7, 0xa5b3, 0x5aa5, 0xa5a2, 0x5a94, 0xa590,
+  0x5a82, 0xa57e, 0x5a70, 0xa56c, 0x5a5e, 0xa55b, 0x5a4d, 0xa549,
+  0x5a3b, 0xa537, 0x5a29, 0xa525, 0x5a17, 0xa514, 0x5a05, 0xa502,
+  0x59f3, 0xa4f0, 0x59e1, 0xa4df, 0x59d0, 0xa4cd, 0x59be, 0xa4bb,
+  0x59ac, 0xa4aa, 0x599a, 0xa498, 0x5988, 0xa487, 0x5976, 0xa475,
+  0x5964, 0xa463, 0x5952, 0xa452, 0x5940, 0xa440, 0x592e, 0xa42f,
+  0x591c, 0xa41d, 0x590a, 0xa40c, 0x58f8, 0xa3fa, 0x58e6, 0xa3e9,
+  0x58d4, 0xa3d7, 0x58c1, 0xa3c6, 0x58af, 0xa3b5, 0x589d, 0xa3a3,
+  0x588b, 0xa392, 0x5879, 0xa380, 0x5867, 0xa36f, 0x5855, 0xa35e,
+  0x5842, 0xa34c, 0x5830, 0xa33b, 0x581e, 0xa32a, 0x580c, 0xa318,
+  0x57f9, 0xa307, 0x57e7, 0xa2f6, 0x57d5, 0xa2e5, 0x57c3, 0xa2d3,
+  0x57b0, 0xa2c2, 0x579e, 0xa2b1, 0x578c, 0xa2a0, 0x5779, 0xa28f,
+  0x5767, 0xa27d, 0x5755, 0xa26c, 0x5742, 0xa25b, 0x5730, 0xa24a,
+  0x571d, 0xa239, 0x570b, 0xa228, 0x56f9, 0xa217, 0x56e6, 0xa206,
+  0x56d4, 0xa1f5, 0x56c1, 0xa1e4, 0x56af, 0xa1d3, 0x569c, 0xa1c1,
+  0x568a, 0xa1b0, 0x5677, 0xa1a0, 0x5665, 0xa18f, 0x5652, 0xa17e,
+  0x5640, 0xa16d, 0x562d, 0xa15c, 0x561a, 0xa14b, 0x5608, 0xa13a,
+  0x55f5, 0xa129, 0x55e3, 0xa118, 0x55d0, 0xa107, 0x55bd, 0xa0f6,
+  0x55ab, 0xa0e6, 0x5598, 0xa0d5, 0x5585, 0xa0c4, 0x5572, 0xa0b3,
+  0x5560, 0xa0a2, 0x554d, 0xa092, 0x553a, 0xa081, 0x5528, 0xa070,
+  0x5515, 0xa060, 0x5502, 0xa04f, 0x54ef, 0xa03e, 0x54dc, 0xa02d,
+  0x54ca, 0xa01d, 0x54b7, 0xa00c, 0x54a4, 0x9ffc, 0x5491, 0x9feb,
+  0x547e, 0x9fda, 0x546b, 0x9fca, 0x5458, 0x9fb9, 0x5445, 0x9fa9,
+  0x5433, 0x9f98, 0x5420, 0x9f88, 0x540d, 0x9f77, 0x53fa, 0x9f67,
+  0x53e7, 0x9f56, 0x53d4, 0x9f46, 0x53c1, 0x9f35, 0x53ae, 0x9f25,
+  0x539b, 0x9f14, 0x5388, 0x9f04, 0x5375, 0x9ef3, 0x5362, 0x9ee3,
+  0x534e, 0x9ed3, 0x533b, 0x9ec2, 0x5328, 0x9eb2, 0x5315, 0x9ea2,
+  0x5302, 0x9e91, 0x52ef, 0x9e81, 0x52dc, 0x9e71, 0x52c9, 0x9e61,
+  0x52b5, 0x9e50, 0x52a2, 0x9e40, 0x528f, 0x9e30, 0x527c, 0x9e20,
+  0x5269, 0x9e0f, 0x5255, 0x9dff, 0x5242, 0x9def, 0x522f, 0x9ddf,
+  0x521c, 0x9dcf, 0x5208, 0x9dbf, 0x51f5, 0x9daf, 0x51e2, 0x9d9f,
+  0x51ce, 0x9d8f, 0x51bb, 0x9d7e, 0x51a8, 0x9d6e, 0x5194, 0x9d5e,
+  0x5181, 0x9d4e, 0x516e, 0x9d3e, 0x515a, 0x9d2e, 0x5147, 0x9d1e,
+  0x5133, 0x9d0e, 0x5120, 0x9cff, 0x510c, 0x9cef, 0x50f9, 0x9cdf,
+  0x50e5, 0x9ccf, 0x50d2, 0x9cbf, 0x50bf, 0x9caf, 0x50ab, 0x9c9f,
+  0x5097, 0x9c8f, 0x5084, 0x9c80, 0x5070, 0x9c70, 0x505d, 0x9c60,
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+  0x2707, 0x8619, 0x26ef, 0x8611, 0x26d8, 0x860a, 0x26c0, 0x8602,
+  0x26a8, 0x85fb, 0x2690, 0x85f3, 0x2678, 0x85eb, 0x2660, 0x85e4,
+  0x2648, 0x85dc, 0x2630, 0x85d5, 0x2618, 0x85cd, 0x2600, 0x85c6,
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+  0x24c7, 0x8566, 0x24af, 0x855f, 0x2497, 0x8558, 0x247f, 0x8551,
+  0x2467, 0x854a, 0x244f, 0x8543, 0x2437, 0x853b, 0x241f, 0x8534,
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+  0x23a6, 0x8511, 0x238e, 0x850a, 0x2376, 0x8503, 0x235e, 0x84fc,
+  0x2345, 0x84f5, 0x232d, 0x84ee, 0x2315, 0x84e7, 0x22fd, 0x84e1,
+  0x22e5, 0x84da, 0x22cd, 0x84d3, 0x22b4, 0x84cc, 0x229c, 0x84c5,
+  0x2284, 0x84be, 0x226c, 0x84b8, 0x2254, 0x84b1, 0x223b, 0x84aa,
+  0x2223, 0x84a3, 0x220b, 0x849d, 0x21f3, 0x8496, 0x21da, 0x848f,
+  0x21c2, 0x8489, 0x21aa, 0x8482, 0x2192, 0x847c, 0x2179, 0x8475,
+  0x2161, 0x846e, 0x2149, 0x8468, 0x2131, 0x8461, 0x2118, 0x845b,
+  0x2100, 0x8454, 0x20e8, 0x844e, 0x20d0, 0x8447, 0x20b7, 0x8441,
+  0x209f, 0x843b, 0x2087, 0x8434, 0x206e, 0x842e, 0x2056, 0x8427,
+  0x203e, 0x8421, 0x2025, 0x841b, 0x200d, 0x8415, 0x1ff5, 0x840e,
+  0x1fdc, 0x8408, 0x1fc4, 0x8402, 0x1fac, 0x83fb, 0x1f93, 0x83f5,
+  0x1f7b, 0x83ef, 0x1f63, 0x83e9, 0x1f4a, 0x83e3, 0x1f32, 0x83dd,
+  0x1f19, 0x83d7, 0x1f01, 0x83d0, 0x1ee9, 0x83ca, 0x1ed0, 0x83c4,
+  0x1eb8, 0x83be, 0x1ea0, 0x83b8, 0x1e87, 0x83b2, 0x1e6f, 0x83ac,
+  0x1e56, 0x83a6, 0x1e3e, 0x83a0, 0x1e25, 0x839a, 0x1e0d, 0x8394,
+  0x1df5, 0x838f, 0x1ddc, 0x8389, 0x1dc4, 0x8383, 0x1dab, 0x837d,
+  0x1d93, 0x8377, 0x1d7a, 0x8371, 0x1d62, 0x836c, 0x1d49, 0x8366,
+  0x1d31, 0x8360, 0x1d18, 0x835a, 0x1d00, 0x8355, 0x1ce8, 0x834f,
+  0x1ccf, 0x8349, 0x1cb7, 0x8344, 0x1c9e, 0x833e, 0x1c86, 0x8338,
+  0x1c6d, 0x8333, 0x1c55, 0x832d, 0x1c3c, 0x8328, 0x1c24, 0x8322,
+  0x1c0b, 0x831d, 0x1bf2, 0x8317, 0x1bda, 0x8312, 0x1bc1, 0x830c,
+  0x1ba9, 0x8307, 0x1b90, 0x8301, 0x1b78, 0x82fc, 0x1b5f, 0x82f7,
+  0x1b47, 0x82f1, 0x1b2e, 0x82ec, 0x1b16, 0x82e7, 0x1afd, 0x82e1,
+  0x1ae4, 0x82dc, 0x1acc, 0x82d7, 0x1ab3, 0x82d1, 0x1a9b, 0x82cc,
+  0x1a82, 0x82c7, 0x1a6a, 0x82c2, 0x1a51, 0x82bd, 0x1a38, 0x82b7,
+  0x1a20, 0x82b2, 0x1a07, 0x82ad, 0x19ef, 0x82a8, 0x19d6, 0x82a3,
+  0x19bd, 0x829e, 0x19a5, 0x8299, 0x198c, 0x8294, 0x1973, 0x828f,
+  0x195b, 0x828a, 0x1942, 0x8285, 0x192a, 0x8280, 0x1911, 0x827b,
+  0x18f8, 0x8276, 0x18e0, 0x8271, 0x18c7, 0x826c, 0x18ae, 0x8268,
+  0x1896, 0x8263, 0x187d, 0x825e, 0x1864, 0x8259, 0x184c, 0x8254,
+  0x1833, 0x8250, 0x181a, 0x824b, 0x1802, 0x8246, 0x17e9, 0x8241,
+  0x17d0, 0x823d, 0x17b7, 0x8238, 0x179f, 0x8233, 0x1786, 0x822f,
+  0x176d, 0x822a, 0x1755, 0x8226, 0x173c, 0x8221, 0x1723, 0x821c,
+  0x170a, 0x8218, 0x16f2, 0x8213, 0x16d9, 0x820f, 0x16c0, 0x820a,
+  0x16a8, 0x8206, 0x168f, 0x8201, 0x1676, 0x81fd, 0x165d, 0x81f9,
+  0x1645, 0x81f4, 0x162c, 0x81f0, 0x1613, 0x81ec, 0x15fa, 0x81e7,
+  0x15e2, 0x81e3, 0x15c9, 0x81df, 0x15b0, 0x81da, 0x1597, 0x81d6,
+  0x157f, 0x81d2, 0x1566, 0x81ce, 0x154d, 0x81c9, 0x1534, 0x81c5,
+  0x151b, 0x81c1, 0x1503, 0x81bd, 0x14ea, 0x81b9, 0x14d1, 0x81b5,
+  0x14b8, 0x81b1, 0x149f, 0x81ad, 0x1487, 0x81a9, 0x146e, 0x81a5,
+  0x1455, 0x81a1, 0x143c, 0x819d, 0x1423, 0x8199, 0x140b, 0x8195,
+  0x13f2, 0x8191, 0x13d9, 0x818d, 0x13c0, 0x8189, 0x13a7, 0x8185,
+  0x138e, 0x8181, 0x1376, 0x817d, 0x135d, 0x817a, 0x1344, 0x8176,
+  0x132b, 0x8172, 0x1312, 0x816e, 0x12f9, 0x816b, 0x12e0, 0x8167,
+  0x12c8, 0x8163, 0x12af, 0x815f, 0x1296, 0x815c, 0x127d, 0x8158,
+  0x1264, 0x8155, 0x124b, 0x8151, 0x1232, 0x814d, 0x1219, 0x814a,
+  0x1201, 0x8146, 0x11e8, 0x8143, 0x11cf, 0x813f, 0x11b6, 0x813c,
+  0x119d, 0x8138, 0x1184, 0x8135, 0x116b, 0x8131, 0x1152, 0x812e,
+  0x1139, 0x812b, 0x1121, 0x8127, 0x1108, 0x8124, 0x10ef, 0x8121,
+  0x10d6, 0x811d, 0x10bd, 0x811a, 0x10a4, 0x8117, 0x108b, 0x8113,
+  0x1072, 0x8110, 0x1059, 0x810d, 0x1040, 0x810a, 0x1027, 0x8107,
+  0x100e, 0x8103, 0xff5, 0x8100, 0xfdd, 0x80fd, 0xfc4, 0x80fa,
+  0xfab, 0x80f7, 0xf92, 0x80f4, 0xf79, 0x80f1, 0xf60, 0x80ee,
+  0xf47, 0x80eb, 0xf2e, 0x80e8, 0xf15, 0x80e5, 0xefc, 0x80e2,
+  0xee3, 0x80df, 0xeca, 0x80dc, 0xeb1, 0x80d9, 0xe98, 0x80d6,
+  0xe7f, 0x80d3, 0xe66, 0x80d1, 0xe4d, 0x80ce, 0xe34, 0x80cb,
+  0xe1b, 0x80c8, 0xe02, 0x80c5, 0xde9, 0x80c3, 0xdd0, 0x80c0,
+  0xdb7, 0x80bd, 0xd9e, 0x80bb, 0xd85, 0x80b8, 0xd6c, 0x80b5,
+  0xd53, 0x80b3, 0xd3a, 0x80b0, 0xd21, 0x80ad, 0xd08, 0x80ab,
+  0xcef, 0x80a8, 0xcd6, 0x80a6, 0xcbd, 0x80a3, 0xca4, 0x80a1,
+  0xc8b, 0x809e, 0xc72, 0x809c, 0xc59, 0x8099, 0xc40, 0x8097,
+  0xc27, 0x8095, 0xc0e, 0x8092, 0xbf5, 0x8090, 0xbdc, 0x808e,
+  0xbc3, 0x808b, 0xbaa, 0x8089, 0xb91, 0x8087, 0xb78, 0x8084,
+  0xb5f, 0x8082, 0xb46, 0x8080, 0xb2d, 0x807e, 0xb14, 0x807b,
+  0xafb, 0x8079, 0xae2, 0x8077, 0xac9, 0x8075, 0xab0, 0x8073,
+  0xa97, 0x8071, 0xa7e, 0x806f, 0xa65, 0x806d, 0xa4c, 0x806b,
+  0xa33, 0x8069, 0xa19, 0x8067, 0xa00, 0x8065, 0x9e7, 0x8063,
+  0x9ce, 0x8061, 0x9b5, 0x805f, 0x99c, 0x805d, 0x983, 0x805b,
+  0x96a, 0x8059, 0x951, 0x8057, 0x938, 0x8056, 0x91f, 0x8054,
+  0x906, 0x8052, 0x8ed, 0x8050, 0x8d4, 0x804f, 0x8bb, 0x804d,
+  0x8a2, 0x804b, 0x888, 0x8049, 0x86f, 0x8048, 0x856, 0x8046,
+  0x83d, 0x8044, 0x824, 0x8043, 0x80b, 0x8041, 0x7f2, 0x8040,
+  0x7d9, 0x803e, 0x7c0, 0x803d, 0x7a7, 0x803b, 0x78e, 0x803a,
+  0x775, 0x8038, 0x75b, 0x8037, 0x742, 0x8035, 0x729, 0x8034,
+  0x710, 0x8032, 0x6f7, 0x8031, 0x6de, 0x8030, 0x6c5, 0x802e,
+  0x6ac, 0x802d, 0x693, 0x802c, 0x67a, 0x802a, 0x660, 0x8029,
+  0x647, 0x8028, 0x62e, 0x8027, 0x615, 0x8026, 0x5fc, 0x8024,
+  0x5e3, 0x8023, 0x5ca, 0x8022, 0x5b1, 0x8021, 0x598, 0x8020,
+  0x57f, 0x801f, 0x565, 0x801e, 0x54c, 0x801d, 0x533, 0x801c,
+  0x51a, 0x801b, 0x501, 0x801a, 0x4e8, 0x8019, 0x4cf, 0x8018,
+  0x4b6, 0x8017, 0x49c, 0x8016, 0x483, 0x8015, 0x46a, 0x8014,
+  0x451, 0x8013, 0x438, 0x8012, 0x41f, 0x8012, 0x406, 0x8011,
+  0x3ed, 0x8010, 0x3d4, 0x800f, 0x3ba, 0x800e, 0x3a1, 0x800e,
+  0x388, 0x800d, 0x36f, 0x800c, 0x356, 0x800c, 0x33d, 0x800b,
+  0x324, 0x800a, 0x30b, 0x800a, 0x2f1, 0x8009, 0x2d8, 0x8009,
+  0x2bf, 0x8008, 0x2a6, 0x8008, 0x28d, 0x8007, 0x274, 0x8007,
+  0x25b, 0x8006, 0x242, 0x8006, 0x228, 0x8005, 0x20f, 0x8005,
+  0x1f6, 0x8004, 0x1dd, 0x8004, 0x1c4, 0x8004, 0x1ab, 0x8003,
+  0x192, 0x8003, 0x178, 0x8003, 0x15f, 0x8002, 0x146, 0x8002,
+  0x12d, 0x8002, 0x114, 0x8002, 0xfb, 0x8001, 0xe2, 0x8001,
+  0xc9, 0x8001, 0xaf, 0x8001, 0x96, 0x8001, 0x7d, 0x8001,
+  0x64, 0x8001, 0x4b, 0x8001, 0x32, 0x8001, 0x19, 0x8001,
+};
+
+static const q15_t ALIGN4 WeightsQ15_8192[16384] = {
+  0x7fff, 0x0, 0x7fff, 0xfffa, 0x7fff, 0xfff4, 0x7fff, 0xffee,
+  0x7fff, 0xffe7, 0x7fff, 0xffe1, 0x7fff, 0xffdb, 0x7fff, 0xffd5,
+  0x7fff, 0xffce, 0x7fff, 0xffc8, 0x7fff, 0xffc2, 0x7fff, 0xffbb,
+  0x7fff, 0xffb5, 0x7fff, 0xffaf, 0x7fff, 0xffa9, 0x7fff, 0xffa2,
+  0x7fff, 0xff9c, 0x7fff, 0xff96, 0x7fff, 0xff8f, 0x7fff, 0xff89,
+  0x7fff, 0xff83, 0x7fff, 0xff7d, 0x7fff, 0xff76, 0x7fff, 0xff70,
+  0x7fff, 0xff6a, 0x7fff, 0xff63, 0x7fff, 0xff5d, 0x7fff, 0xff57,
+  0x7fff, 0xff51, 0x7fff, 0xff4a, 0x7fff, 0xff44, 0x7fff, 0xff3e,
+  0x7fff, 0xff37, 0x7fff, 0xff31, 0x7fff, 0xff2b, 0x7fff, 0xff25,
+  0x7fff, 0xff1e, 0x7fff, 0xff18, 0x7fff, 0xff12, 0x7fff, 0xff0b,
+  0x7fff, 0xff05, 0x7ffe, 0xfeff, 0x7ffe, 0xfef9, 0x7ffe, 0xfef2,
+  0x7ffe, 0xfeec, 0x7ffe, 0xfee6, 0x7ffe, 0xfedf, 0x7ffe, 0xfed9,
+  0x7ffe, 0xfed3, 0x7ffe, 0xfecd, 0x7ffe, 0xfec6, 0x7ffe, 0xfec0,
+  0x7ffe, 0xfeba, 0x7ffe, 0xfeb3, 0x7ffe, 0xfead, 0x7ffe, 0xfea7,
+  0x7ffe, 0xfea1, 0x7ffe, 0xfe9a, 0x7ffd, 0xfe94, 0x7ffd, 0xfe8e,
+  0x7ffd, 0xfe88, 0x7ffd, 0xfe81, 0x7ffd, 0xfe7b, 0x7ffd, 0xfe75,
+  0x7ffd, 0xfe6e, 0x7ffd, 0xfe68, 0x7ffd, 0xfe62, 0x7ffd, 0xfe5c,
+  0x7ffd, 0xfe55, 0x7ffd, 0xfe4f, 0x7ffd, 0xfe49, 0x7ffc, 0xfe42,
+  0x7ffc, 0xfe3c, 0x7ffc, 0xfe36, 0x7ffc, 0xfe30, 0x7ffc, 0xfe29,
+  0x7ffc, 0xfe23, 0x7ffc, 0xfe1d, 0x7ffc, 0xfe16, 0x7ffc, 0xfe10,
+  0x7ffc, 0xfe0a, 0x7ffc, 0xfe04, 0x7ffb, 0xfdfd, 0x7ffb, 0xfdf7,
+  0x7ffb, 0xfdf1, 0x7ffb, 0xfdea, 0x7ffb, 0xfde4, 0x7ffb, 0xfdde,
+  0x7ffb, 0xfdd8, 0x7ffb, 0xfdd1, 0x7ffb, 0xfdcb, 0x7ffb, 0xfdc5,
+  0x7ffa, 0xfdbe, 0x7ffa, 0xfdb8, 0x7ffa, 0xfdb2, 0x7ffa, 0xfdac,
+  0x7ffa, 0xfda5, 0x7ffa, 0xfd9f, 0x7ffa, 0xfd99, 0x7ffa, 0xfd93,
+  0x7ff9, 0xfd8c, 0x7ff9, 0xfd86, 0x7ff9, 0xfd80, 0x7ff9, 0xfd79,
+  0x7ff9, 0xfd73, 0x7ff9, 0xfd6d, 0x7ff9, 0xfd67, 0x7ff9, 0xfd60,
+  0x7ff8, 0xfd5a, 0x7ff8, 0xfd54, 0x7ff8, 0xfd4d, 0x7ff8, 0xfd47,
+  0x7ff8, 0xfd41, 0x7ff8, 0xfd3b, 0x7ff8, 0xfd34, 0x7ff8, 0xfd2e,
+  0x7ff7, 0xfd28, 0x7ff7, 0xfd21, 0x7ff7, 0xfd1b, 0x7ff7, 0xfd15,
+  0x7ff7, 0xfd0f, 0x7ff7, 0xfd08, 0x7ff7, 0xfd02, 0x7ff6, 0xfcfc,
+  0x7ff6, 0xfcf5, 0x7ff6, 0xfcef, 0x7ff6, 0xfce9, 0x7ff6, 0xfce3,
+  0x7ff6, 0xfcdc, 0x7ff5, 0xfcd6, 0x7ff5, 0xfcd0, 0x7ff5, 0xfcc9,
+  0x7ff5, 0xfcc3, 0x7ff5, 0xfcbd, 0x7ff5, 0xfcb7, 0x7ff5, 0xfcb0,
+  0x7ff4, 0xfcaa, 0x7ff4, 0xfca4, 0x7ff4, 0xfc9e, 0x7ff4, 0xfc97,
+  0x7ff4, 0xfc91, 0x7ff4, 0xfc8b, 0x7ff3, 0xfc84, 0x7ff3, 0xfc7e,
+  0x7ff3, 0xfc78, 0x7ff3, 0xfc72, 0x7ff3, 0xfc6b, 0x7ff2, 0xfc65,
+  0x7ff2, 0xfc5f, 0x7ff2, 0xfc58, 0x7ff2, 0xfc52, 0x7ff2, 0xfc4c,
+  0x7ff2, 0xfc46, 0x7ff1, 0xfc3f, 0x7ff1, 0xfc39, 0x7ff1, 0xfc33,
+  0x7ff1, 0xfc2c, 0x7ff1, 0xfc26, 0x7ff0, 0xfc20, 0x7ff0, 0xfc1a,
+  0x7ff0, 0xfc13, 0x7ff0, 0xfc0d, 0x7ff0, 0xfc07, 0x7fef, 0xfc01,
+  0x7fef, 0xfbfa, 0x7fef, 0xfbf4, 0x7fef, 0xfbee, 0x7fef, 0xfbe7,
+  0x7fee, 0xfbe1, 0x7fee, 0xfbdb, 0x7fee, 0xfbd5, 0x7fee, 0xfbce,
+  0x7fee, 0xfbc8, 0x7fed, 0xfbc2, 0x7fed, 0xfbbb, 0x7fed, 0xfbb5,
+  0x7fed, 0xfbaf, 0x7fed, 0xfba9, 0x7fec, 0xfba2, 0x7fec, 0xfb9c,
+  0x7fec, 0xfb96, 0x7fec, 0xfb8f, 0x7fec, 0xfb89, 0x7feb, 0xfb83,
+  0x7feb, 0xfb7d, 0x7feb, 0xfb76, 0x7feb, 0xfb70, 0x7fea, 0xfb6a,
+  0x7fea, 0xfb64, 0x7fea, 0xfb5d, 0x7fea, 0xfb57, 0x7fea, 0xfb51,
+  0x7fe9, 0xfb4a, 0x7fe9, 0xfb44, 0x7fe9, 0xfb3e, 0x7fe9, 0xfb38,
+  0x7fe8, 0xfb31, 0x7fe8, 0xfb2b, 0x7fe8, 0xfb25, 0x7fe8, 0xfb1e,
+  0x7fe7, 0xfb18, 0x7fe7, 0xfb12, 0x7fe7, 0xfb0c, 0x7fe7, 0xfb05,
+  0x7fe6, 0xfaff, 0x7fe6, 0xfaf9, 0x7fe6, 0xfaf3, 0x7fe6, 0xfaec,
+  0x7fe5, 0xfae6, 0x7fe5, 0xfae0, 0x7fe5, 0xfad9, 0x7fe5, 0xfad3,
+  0x7fe4, 0xfacd, 0x7fe4, 0xfac7, 0x7fe4, 0xfac0, 0x7fe4, 0xfaba,
+  0x7fe3, 0xfab4, 0x7fe3, 0xfaad, 0x7fe3, 0xfaa7, 0x7fe3, 0xfaa1,
+  0x7fe2, 0xfa9b, 0x7fe2, 0xfa94, 0x7fe2, 0xfa8e, 0x7fe2, 0xfa88,
+  0x7fe1, 0xfa81, 0x7fe1, 0xfa7b, 0x7fe1, 0xfa75, 0x7fe0, 0xfa6f,
+  0x7fe0, 0xfa68, 0x7fe0, 0xfa62, 0x7fe0, 0xfa5c, 0x7fdf, 0xfa56,
+  0x7fdf, 0xfa4f, 0x7fdf, 0xfa49, 0x7fdf, 0xfa43, 0x7fde, 0xfa3c,
+  0x7fde, 0xfa36, 0x7fde, 0xfa30, 0x7fdd, 0xfa2a, 0x7fdd, 0xfa23,
+  0x7fdd, 0xfa1d, 0x7fdd, 0xfa17, 0x7fdc, 0xfa11, 0x7fdc, 0xfa0a,
+  0x7fdc, 0xfa04, 0x7fdb, 0xf9fe, 0x7fdb, 0xf9f7, 0x7fdb, 0xf9f1,
+  0x7fda, 0xf9eb, 0x7fda, 0xf9e5, 0x7fda, 0xf9de, 0x7fda, 0xf9d8,
+  0x7fd9, 0xf9d2, 0x7fd9, 0xf9cb, 0x7fd9, 0xf9c5, 0x7fd8, 0xf9bf,
+  0x7fd8, 0xf9b9, 0x7fd8, 0xf9b2, 0x7fd7, 0xf9ac, 0x7fd7, 0xf9a6,
+  0x7fd7, 0xf9a0, 0x7fd6, 0xf999, 0x7fd6, 0xf993, 0x7fd6, 0xf98d,
+  0x7fd6, 0xf986, 0x7fd5, 0xf980, 0x7fd5, 0xf97a, 0x7fd5, 0xf974,
+  0x7fd4, 0xf96d, 0x7fd4, 0xf967, 0x7fd4, 0xf961, 0x7fd3, 0xf95b,
+  0x7fd3, 0xf954, 0x7fd3, 0xf94e, 0x7fd2, 0xf948, 0x7fd2, 0xf941,
+  0x7fd2, 0xf93b, 0x7fd1, 0xf935, 0x7fd1, 0xf92f, 0x7fd1, 0xf928,
+  0x7fd0, 0xf922, 0x7fd0, 0xf91c, 0x7fd0, 0xf916, 0x7fcf, 0xf90f,
+  0x7fcf, 0xf909, 0x7fcf, 0xf903, 0x7fce, 0xf8fc, 0x7fce, 0xf8f6,
+  0x7fce, 0xf8f0, 0x7fcd, 0xf8ea, 0x7fcd, 0xf8e3, 0x7fcd, 0xf8dd,
+  0x7fcc, 0xf8d7, 0x7fcc, 0xf8d0, 0x7fcb, 0xf8ca, 0x7fcb, 0xf8c4,
+  0x7fcb, 0xf8be, 0x7fca, 0xf8b7, 0x7fca, 0xf8b1, 0x7fca, 0xf8ab,
+  0x7fc9, 0xf8a5, 0x7fc9, 0xf89e, 0x7fc9, 0xf898, 0x7fc8, 0xf892,
+  0x7fc8, 0xf88b, 0x7fc7, 0xf885, 0x7fc7, 0xf87f, 0x7fc7, 0xf879,
+  0x7fc6, 0xf872, 0x7fc6, 0xf86c, 0x7fc6, 0xf866, 0x7fc5, 0xf860,
+  0x7fc5, 0xf859, 0x7fc5, 0xf853, 0x7fc4, 0xf84d, 0x7fc4, 0xf846,
+  0x7fc3, 0xf840, 0x7fc3, 0xf83a, 0x7fc3, 0xf834, 0x7fc2, 0xf82d,
+  0x7fc2, 0xf827, 0x7fc1, 0xf821, 0x7fc1, 0xf81b, 0x7fc1, 0xf814,
+  0x7fc0, 0xf80e, 0x7fc0, 0xf808, 0x7fc0, 0xf802, 0x7fbf, 0xf7fb,
+  0x7fbf, 0xf7f5, 0x7fbe, 0xf7ef, 0x7fbe, 0xf7e8, 0x7fbe, 0xf7e2,
+  0x7fbd, 0xf7dc, 0x7fbd, 0xf7d6, 0x7fbc, 0xf7cf, 0x7fbc, 0xf7c9,
+  0x7fbc, 0xf7c3, 0x7fbb, 0xf7bd, 0x7fbb, 0xf7b6, 0x7fba, 0xf7b0,
+  0x7fba, 0xf7aa, 0x7fb9, 0xf7a3, 0x7fb9, 0xf79d, 0x7fb9, 0xf797,
+  0x7fb8, 0xf791, 0x7fb8, 0xf78a, 0x7fb7, 0xf784, 0x7fb7, 0xf77e,
+  0x7fb7, 0xf778, 0x7fb6, 0xf771, 0x7fb6, 0xf76b, 0x7fb5, 0xf765,
+  0x7fb5, 0xf75e, 0x7fb4, 0xf758, 0x7fb4, 0xf752, 0x7fb4, 0xf74c,
+  0x7fb3, 0xf745, 0x7fb3, 0xf73f, 0x7fb2, 0xf739, 0x7fb2, 0xf733,
+  0x7fb1, 0xf72c, 0x7fb1, 0xf726, 0x7fb1, 0xf720, 0x7fb0, 0xf71a,
+  0x7fb0, 0xf713, 0x7faf, 0xf70d, 0x7faf, 0xf707, 0x7fae, 0xf700,
+  0x7fae, 0xf6fa, 0x7fae, 0xf6f4, 0x7fad, 0xf6ee, 0x7fad, 0xf6e7,
+  0x7fac, 0xf6e1, 0x7fac, 0xf6db, 0x7fab, 0xf6d5, 0x7fab, 0xf6ce,
+  0x7faa, 0xf6c8, 0x7faa, 0xf6c2, 0x7fa9, 0xf6bc, 0x7fa9, 0xf6b5,
+  0x7fa9, 0xf6af, 0x7fa8, 0xf6a9, 0x7fa8, 0xf6a2, 0x7fa7, 0xf69c,
+  0x7fa7, 0xf696, 0x7fa6, 0xf690, 0x7fa6, 0xf689, 0x7fa5, 0xf683,
+  0x7fa5, 0xf67d, 0x7fa4, 0xf677, 0x7fa4, 0xf670, 0x7fa3, 0xf66a,
+  0x7fa3, 0xf664, 0x7fa3, 0xf65e, 0x7fa2, 0xf657, 0x7fa2, 0xf651,
+  0x7fa1, 0xf64b, 0x7fa1, 0xf644, 0x7fa0, 0xf63e, 0x7fa0, 0xf638,
+  0x7f9f, 0xf632, 0x7f9f, 0xf62b, 0x7f9e, 0xf625, 0x7f9e, 0xf61f,
+  0x7f9d, 0xf619, 0x7f9d, 0xf612, 0x7f9c, 0xf60c, 0x7f9c, 0xf606,
+  0x7f9b, 0xf600, 0x7f9b, 0xf5f9, 0x7f9a, 0xf5f3, 0x7f9a, 0xf5ed,
+  0x7f99, 0xf5e7, 0x7f99, 0xf5e0, 0x7f98, 0xf5da, 0x7f98, 0xf5d4,
+  0x7f97, 0xf5cd, 0x7f97, 0xf5c7, 0x7f96, 0xf5c1, 0x7f96, 0xf5bb,
+  0x7f95, 0xf5b4, 0x7f95, 0xf5ae, 0x7f94, 0xf5a8, 0x7f94, 0xf5a2,
+  0x7f93, 0xf59b, 0x7f93, 0xf595, 0x7f92, 0xf58f, 0x7f92, 0xf589,
+  0x7f91, 0xf582, 0x7f91, 0xf57c, 0x7f90, 0xf576, 0x7f90, 0xf570,
+  0x7f8f, 0xf569, 0x7f8f, 0xf563, 0x7f8e, 0xf55d, 0x7f8e, 0xf556,
+  0x7f8d, 0xf550, 0x7f8d, 0xf54a, 0x7f8c, 0xf544, 0x7f8b, 0xf53d,
+  0x7f8b, 0xf537, 0x7f8a, 0xf531, 0x7f8a, 0xf52b, 0x7f89, 0xf524,
+  0x7f89, 0xf51e, 0x7f88, 0xf518, 0x7f88, 0xf512, 0x7f87, 0xf50b,
+  0x7f87, 0xf505, 0x7f86, 0xf4ff, 0x7f86, 0xf4f9, 0x7f85, 0xf4f2,
+  0x7f85, 0xf4ec, 0x7f84, 0xf4e6, 0x7f83, 0xf4e0, 0x7f83, 0xf4d9,
+  0x7f82, 0xf4d3, 0x7f82, 0xf4cd, 0x7f81, 0xf4c6, 0x7f81, 0xf4c0,
+  0x7f80, 0xf4ba, 0x7f80, 0xf4b4, 0x7f7f, 0xf4ad, 0x7f7e, 0xf4a7,
+  0x7f7e, 0xf4a1, 0x7f7d, 0xf49b, 0x7f7d, 0xf494, 0x7f7c, 0xf48e,
+  0x7f7c, 0xf488, 0x7f7b, 0xf482, 0x7f7b, 0xf47b, 0x7f7a, 0xf475,
+  0x7f79, 0xf46f, 0x7f79, 0xf469, 0x7f78, 0xf462, 0x7f78, 0xf45c,
+  0x7f77, 0xf456, 0x7f77, 0xf450, 0x7f76, 0xf449, 0x7f75, 0xf443,
+  0x7f75, 0xf43d, 0x7f74, 0xf437, 0x7f74, 0xf430, 0x7f73, 0xf42a,
+  0x7f72, 0xf424, 0x7f72, 0xf41e, 0x7f71, 0xf417, 0x7f71, 0xf411,
+  0x7f70, 0xf40b, 0x7f70, 0xf405, 0x7f6f, 0xf3fe, 0x7f6e, 0xf3f8,
+  0x7f6e, 0xf3f2, 0x7f6d, 0xf3ec, 0x7f6d, 0xf3e5, 0x7f6c, 0xf3df,
+  0x7f6b, 0xf3d9, 0x7f6b, 0xf3d2, 0x7f6a, 0xf3cc, 0x7f6a, 0xf3c6,
+  0x7f69, 0xf3c0, 0x7f68, 0xf3b9, 0x7f68, 0xf3b3, 0x7f67, 0xf3ad,
+  0x7f67, 0xf3a7, 0x7f66, 0xf3a0, 0x7f65, 0xf39a, 0x7f65, 0xf394,
+  0x7f64, 0xf38e, 0x7f64, 0xf387, 0x7f63, 0xf381, 0x7f62, 0xf37b,
+  0x7f62, 0xf375, 0x7f61, 0xf36e, 0x7f60, 0xf368, 0x7f60, 0xf362,
+  0x7f5f, 0xf35c, 0x7f5f, 0xf355, 0x7f5e, 0xf34f, 0x7f5d, 0xf349,
+  0x7f5d, 0xf343, 0x7f5c, 0xf33c, 0x7f5b, 0xf336, 0x7f5b, 0xf330,
+  0x7f5a, 0xf32a, 0x7f5a, 0xf323, 0x7f59, 0xf31d, 0x7f58, 0xf317,
+  0x7f58, 0xf311, 0x7f57, 0xf30a, 0x7f56, 0xf304, 0x7f56, 0xf2fe,
+  0x7f55, 0xf2f8, 0x7f55, 0xf2f1, 0x7f54, 0xf2eb, 0x7f53, 0xf2e5,
+  0x7f53, 0xf2df, 0x7f52, 0xf2d8, 0x7f51, 0xf2d2, 0x7f51, 0xf2cc,
+  0x7f50, 0xf2c6, 0x7f4f, 0xf2bf, 0x7f4f, 0xf2b9, 0x7f4e, 0xf2b3,
+  0x7f4d, 0xf2ad, 0x7f4d, 0xf2a6, 0x7f4c, 0xf2a0, 0x7f4b, 0xf29a,
+  0x7f4b, 0xf294, 0x7f4a, 0xf28d, 0x7f49, 0xf287, 0x7f49, 0xf281,
+  0x7f48, 0xf27b, 0x7f47, 0xf274, 0x7f47, 0xf26e, 0x7f46, 0xf268,
+  0x7f45, 0xf262, 0x7f45, 0xf25b, 0x7f44, 0xf255, 0x7f43, 0xf24f,
+  0x7f43, 0xf249, 0x7f42, 0xf242, 0x7f41, 0xf23c, 0x7f41, 0xf236,
+  0x7f40, 0xf230, 0x7f3f, 0xf229, 0x7f3f, 0xf223, 0x7f3e, 0xf21d,
+  0x7f3d, 0xf217, 0x7f3d, 0xf210, 0x7f3c, 0xf20a, 0x7f3b, 0xf204,
+  0x7f3b, 0xf1fe, 0x7f3a, 0xf1f7, 0x7f39, 0xf1f1, 0x7f39, 0xf1eb,
+  0x7f38, 0xf1e5, 0x7f37, 0xf1de, 0x7f36, 0xf1d8, 0x7f36, 0xf1d2,
+  0x7f35, 0xf1cc, 0x7f34, 0xf1c6, 0x7f34, 0xf1bf, 0x7f33, 0xf1b9,
+  0x7f32, 0xf1b3, 0x7f32, 0xf1ad, 0x7f31, 0xf1a6, 0x7f30, 0xf1a0,
+  0x7f2f, 0xf19a, 0x7f2f, 0xf194, 0x7f2e, 0xf18d, 0x7f2d, 0xf187,
+  0x7f2d, 0xf181, 0x7f2c, 0xf17b, 0x7f2b, 0xf174, 0x7f2a, 0xf16e,
+  0x7f2a, 0xf168, 0x7f29, 0xf162, 0x7f28, 0xf15b, 0x7f28, 0xf155,
+  0x7f27, 0xf14f, 0x7f26, 0xf149, 0x7f25, 0xf142, 0x7f25, 0xf13c,
+  0x7f24, 0xf136, 0x7f23, 0xf130, 0x7f23, 0xf129, 0x7f22, 0xf123,
+  0x7f21, 0xf11d, 0x7f20, 0xf117, 0x7f20, 0xf110, 0x7f1f, 0xf10a,
+  0x7f1e, 0xf104, 0x7f1d, 0xf0fe, 0x7f1d, 0xf0f8, 0x7f1c, 0xf0f1,
+  0x7f1b, 0xf0eb, 0x7f1a, 0xf0e5, 0x7f1a, 0xf0df, 0x7f19, 0xf0d8,
+  0x7f18, 0xf0d2, 0x7f17, 0xf0cc, 0x7f17, 0xf0c6, 0x7f16, 0xf0bf,
+  0x7f15, 0xf0b9, 0x7f14, 0xf0b3, 0x7f14, 0xf0ad, 0x7f13, 0xf0a6,
+  0x7f12, 0xf0a0, 0x7f11, 0xf09a, 0x7f11, 0xf094, 0x7f10, 0xf08d,
+  0x7f0f, 0xf087, 0x7f0e, 0xf081, 0x7f0e, 0xf07b, 0x7f0d, 0xf075,
+  0x7f0c, 0xf06e, 0x7f0b, 0xf068, 0x7f0b, 0xf062, 0x7f0a, 0xf05c,
+  0x7f09, 0xf055, 0x7f08, 0xf04f, 0x7f08, 0xf049, 0x7f07, 0xf043,
+  0x7f06, 0xf03c, 0x7f05, 0xf036, 0x7f04, 0xf030, 0x7f04, 0xf02a,
+  0x7f03, 0xf023, 0x7f02, 0xf01d, 0x7f01, 0xf017, 0x7f01, 0xf011,
+  0x7f00, 0xf00b, 0x7eff, 0xf004, 0x7efe, 0xeffe, 0x7efd, 0xeff8,
+  0x7efd, 0xeff2, 0x7efc, 0xefeb, 0x7efb, 0xefe5, 0x7efa, 0xefdf,
+  0x7ef9, 0xefd9, 0x7ef9, 0xefd2, 0x7ef8, 0xefcc, 0x7ef7, 0xefc6,
+  0x7ef6, 0xefc0, 0x7ef5, 0xefb9, 0x7ef5, 0xefb3, 0x7ef4, 0xefad,
+  0x7ef3, 0xefa7, 0x7ef2, 0xefa1, 0x7ef1, 0xef9a, 0x7ef1, 0xef94,
+  0x7ef0, 0xef8e, 0x7eef, 0xef88, 0x7eee, 0xef81, 0x7eed, 0xef7b,
+  0x7eed, 0xef75, 0x7eec, 0xef6f, 0x7eeb, 0xef68, 0x7eea, 0xef62,
+  0x7ee9, 0xef5c, 0x7ee9, 0xef56, 0x7ee8, 0xef50, 0x7ee7, 0xef49,
+  0x7ee6, 0xef43, 0x7ee5, 0xef3d, 0x7ee4, 0xef37, 0x7ee4, 0xef30,
+  0x7ee3, 0xef2a, 0x7ee2, 0xef24, 0x7ee1, 0xef1e, 0x7ee0, 0xef18,
+  0x7edf, 0xef11, 0x7edf, 0xef0b, 0x7ede, 0xef05, 0x7edd, 0xeeff,
+  0x7edc, 0xeef8, 0x7edb, 0xeef2, 0x7eda, 0xeeec, 0x7eda, 0xeee6,
+  0x7ed9, 0xeedf, 0x7ed8, 0xeed9, 0x7ed7, 0xeed3, 0x7ed6, 0xeecd,
+  0x7ed5, 0xeec7, 0x7ed5, 0xeec0, 0x7ed4, 0xeeba, 0x7ed3, 0xeeb4,
+  0x7ed2, 0xeeae, 0x7ed1, 0xeea7, 0x7ed0, 0xeea1, 0x7ecf, 0xee9b,
+  0x7ecf, 0xee95, 0x7ece, 0xee8f, 0x7ecd, 0xee88, 0x7ecc, 0xee82,
+  0x7ecb, 0xee7c, 0x7eca, 0xee76, 0x7ec9, 0xee6f, 0x7ec9, 0xee69,
+  0x7ec8, 0xee63, 0x7ec7, 0xee5d, 0x7ec6, 0xee57, 0x7ec5, 0xee50,
+  0x7ec4, 0xee4a, 0x7ec3, 0xee44, 0x7ec3, 0xee3e, 0x7ec2, 0xee37,
+  0x7ec1, 0xee31, 0x7ec0, 0xee2b, 0x7ebf, 0xee25, 0x7ebe, 0xee1f,
+  0x7ebd, 0xee18, 0x7ebc, 0xee12, 0x7ebb, 0xee0c, 0x7ebb, 0xee06,
+  0x7eba, 0xedff, 0x7eb9, 0xedf9, 0x7eb8, 0xedf3, 0x7eb7, 0xeded,
+  0x7eb6, 0xede7, 0x7eb5, 0xede0, 0x7eb4, 0xedda, 0x7eb4, 0xedd4,
+  0x7eb3, 0xedce, 0x7eb2, 0xedc7, 0x7eb1, 0xedc1, 0x7eb0, 0xedbb,
+  0x7eaf, 0xedb5, 0x7eae, 0xedaf, 0x7ead, 0xeda8, 0x7eac, 0xeda2,
+  0x7eab, 0xed9c, 0x7eab, 0xed96, 0x7eaa, 0xed8f, 0x7ea9, 0xed89,
+  0x7ea8, 0xed83, 0x7ea7, 0xed7d, 0x7ea6, 0xed77, 0x7ea5, 0xed70,
+  0x7ea4, 0xed6a, 0x7ea3, 0xed64, 0x7ea2, 0xed5e, 0x7ea1, 0xed58,
+  0x7ea1, 0xed51, 0x7ea0, 0xed4b, 0x7e9f, 0xed45, 0x7e9e, 0xed3f,
+  0x7e9d, 0xed38, 0x7e9c, 0xed32, 0x7e9b, 0xed2c, 0x7e9a, 0xed26,
+  0x7e99, 0xed20, 0x7e98, 0xed19, 0x7e97, 0xed13, 0x7e96, 0xed0d,
+  0x7e95, 0xed07, 0x7e94, 0xed01, 0x7e94, 0xecfa, 0x7e93, 0xecf4,
+  0x7e92, 0xecee, 0x7e91, 0xece8, 0x7e90, 0xece1, 0x7e8f, 0xecdb,
+  0x7e8e, 0xecd5, 0x7e8d, 0xeccf, 0x7e8c, 0xecc9, 0x7e8b, 0xecc2,
+  0x7e8a, 0xecbc, 0x7e89, 0xecb6, 0x7e88, 0xecb0, 0x7e87, 0xecaa,
+  0x7e86, 0xeca3, 0x7e85, 0xec9d, 0x7e84, 0xec97, 0x7e84, 0xec91,
+  0x7e83, 0xec8a, 0x7e82, 0xec84, 0x7e81, 0xec7e, 0x7e80, 0xec78,
+  0x7e7f, 0xec72, 0x7e7e, 0xec6b, 0x7e7d, 0xec65, 0x7e7c, 0xec5f,
+  0x7e7b, 0xec59, 0x7e7a, 0xec53, 0x7e79, 0xec4c, 0x7e78, 0xec46,
+  0x7e77, 0xec40, 0x7e76, 0xec3a, 0x7e75, 0xec34, 0x7e74, 0xec2d,
+  0x7e73, 0xec27, 0x7e72, 0xec21, 0x7e71, 0xec1b, 0x7e70, 0xec15,
+  0x7e6f, 0xec0e, 0x7e6e, 0xec08, 0x7e6d, 0xec02, 0x7e6c, 0xebfc,
+  0x7e6b, 0xebf5, 0x7e6a, 0xebef, 0x7e69, 0xebe9, 0x7e68, 0xebe3,
+  0x7e67, 0xebdd, 0x7e66, 0xebd6, 0x7e65, 0xebd0, 0x7e64, 0xebca,
+  0x7e63, 0xebc4, 0x7e62, 0xebbe, 0x7e61, 0xebb7, 0x7e60, 0xebb1,
+  0x7e5f, 0xebab, 0x7e5e, 0xeba5, 0x7e5d, 0xeb9f, 0x7e5c, 0xeb98,
+  0x7e5b, 0xeb92, 0x7e5a, 0xeb8c, 0x7e59, 0xeb86, 0x7e58, 0xeb80,
+  0x7e57, 0xeb79, 0x7e56, 0xeb73, 0x7e55, 0xeb6d, 0x7e54, 0xeb67,
+  0x7e53, 0xeb61, 0x7e52, 0xeb5a, 0x7e51, 0xeb54, 0x7e50, 0xeb4e,
+  0x7e4f, 0xeb48, 0x7e4e, 0xeb42, 0x7e4d, 0xeb3b, 0x7e4c, 0xeb35,
+  0x7e4b, 0xeb2f, 0x7e4a, 0xeb29, 0x7e49, 0xeb23, 0x7e48, 0xeb1c,
+  0x7e47, 0xeb16, 0x7e46, 0xeb10, 0x7e45, 0xeb0a, 0x7e44, 0xeb04,
+  0x7e43, 0xeafd, 0x7e42, 0xeaf7, 0x7e41, 0xeaf1, 0x7e40, 0xeaeb,
+  0x7e3f, 0xeae5, 0x7e3e, 0xeade, 0x7e3d, 0xead8, 0x7e3c, 0xead2,
+  0x7e3b, 0xeacc, 0x7e3a, 0xeac6, 0x7e39, 0xeabf, 0x7e38, 0xeab9,
+  0x7e37, 0xeab3, 0x7e35, 0xeaad, 0x7e34, 0xeaa7, 0x7e33, 0xeaa0,
+  0x7e32, 0xea9a, 0x7e31, 0xea94, 0x7e30, 0xea8e, 0x7e2f, 0xea88,
+  0x7e2e, 0xea81, 0x7e2d, 0xea7b, 0x7e2c, 0xea75, 0x7e2b, 0xea6f,
+  0x7e2a, 0xea69, 0x7e29, 0xea63, 0x7e28, 0xea5c, 0x7e27, 0xea56,
+  0x7e26, 0xea50, 0x7e25, 0xea4a, 0x7e24, 0xea44, 0x7e22, 0xea3d,
+  0x7e21, 0xea37, 0x7e20, 0xea31, 0x7e1f, 0xea2b, 0x7e1e, 0xea25,
+  0x7e1d, 0xea1e, 0x7e1c, 0xea18, 0x7e1b, 0xea12, 0x7e1a, 0xea0c,
+  0x7e19, 0xea06, 0x7e18, 0xe9ff, 0x7e17, 0xe9f9, 0x7e16, 0xe9f3,
+  0x7e14, 0xe9ed, 0x7e13, 0xe9e7, 0x7e12, 0xe9e1, 0x7e11, 0xe9da,
+  0x7e10, 0xe9d4, 0x7e0f, 0xe9ce, 0x7e0e, 0xe9c8, 0x7e0d, 0xe9c2,
+  0x7e0c, 0xe9bb, 0x7e0b, 0xe9b5, 0x7e0a, 0xe9af, 0x7e08, 0xe9a9,
+  0x7e07, 0xe9a3, 0x7e06, 0xe99c, 0x7e05, 0xe996, 0x7e04, 0xe990,
+  0x7e03, 0xe98a, 0x7e02, 0xe984, 0x7e01, 0xe97e, 0x7e00, 0xe977,
+  0x7dff, 0xe971, 0x7dfd, 0xe96b, 0x7dfc, 0xe965, 0x7dfb, 0xe95f,
+  0x7dfa, 0xe958, 0x7df9, 0xe952, 0x7df8, 0xe94c, 0x7df7, 0xe946,
+  0x7df6, 0xe940, 0x7df5, 0xe93a, 0x7df3, 0xe933, 0x7df2, 0xe92d,
+  0x7df1, 0xe927, 0x7df0, 0xe921, 0x7def, 0xe91b, 0x7dee, 0xe914,
+  0x7ded, 0xe90e, 0x7dec, 0xe908, 0x7dea, 0xe902, 0x7de9, 0xe8fc,
+  0x7de8, 0xe8f6, 0x7de7, 0xe8ef, 0x7de6, 0xe8e9, 0x7de5, 0xe8e3,
+  0x7de4, 0xe8dd, 0x7de2, 0xe8d7, 0x7de1, 0xe8d0, 0x7de0, 0xe8ca,
+  0x7ddf, 0xe8c4, 0x7dde, 0xe8be, 0x7ddd, 0xe8b8, 0x7ddc, 0xe8b2,
+  0x7dda, 0xe8ab, 0x7dd9, 0xe8a5, 0x7dd8, 0xe89f, 0x7dd7, 0xe899,
+  0x7dd6, 0xe893, 0x7dd5, 0xe88c, 0x7dd4, 0xe886, 0x7dd2, 0xe880,
+  0x7dd1, 0xe87a, 0x7dd0, 0xe874, 0x7dcf, 0xe86e, 0x7dce, 0xe867,
+  0x7dcd, 0xe861, 0x7dcc, 0xe85b, 0x7dca, 0xe855, 0x7dc9, 0xe84f,
+  0x7dc8, 0xe849, 0x7dc7, 0xe842, 0x7dc6, 0xe83c, 0x7dc5, 0xe836,
+  0x7dc3, 0xe830, 0x7dc2, 0xe82a, 0x7dc1, 0xe823, 0x7dc0, 0xe81d,
+  0x7dbf, 0xe817, 0x7dbd, 0xe811, 0x7dbc, 0xe80b, 0x7dbb, 0xe805,
+  0x7dba, 0xe7fe, 0x7db9, 0xe7f8, 0x7db8, 0xe7f2, 0x7db6, 0xe7ec,
+  0x7db5, 0xe7e6, 0x7db4, 0xe7e0, 0x7db3, 0xe7d9, 0x7db2, 0xe7d3,
+  0x7db0, 0xe7cd, 0x7daf, 0xe7c7, 0x7dae, 0xe7c1, 0x7dad, 0xe7bb,
+  0x7dac, 0xe7b4, 0x7dab, 0xe7ae, 0x7da9, 0xe7a8, 0x7da8, 0xe7a2,
+  0x7da7, 0xe79c, 0x7da6, 0xe796, 0x7da5, 0xe78f, 0x7da3, 0xe789,
+  0x7da2, 0xe783, 0x7da1, 0xe77d, 0x7da0, 0xe777, 0x7d9f, 0xe771,
+  0x7d9d, 0xe76a, 0x7d9c, 0xe764, 0x7d9b, 0xe75e, 0x7d9a, 0xe758,
+  0x7d98, 0xe752, 0x7d97, 0xe74c, 0x7d96, 0xe745, 0x7d95, 0xe73f,
+  0x7d94, 0xe739, 0x7d92, 0xe733, 0x7d91, 0xe72d, 0x7d90, 0xe727,
+  0x7d8f, 0xe720, 0x7d8e, 0xe71a, 0x7d8c, 0xe714, 0x7d8b, 0xe70e,
+  0x7d8a, 0xe708, 0x7d89, 0xe702, 0x7d87, 0xe6fb, 0x7d86, 0xe6f5,
+  0x7d85, 0xe6ef, 0x7d84, 0xe6e9, 0x7d82, 0xe6e3, 0x7d81, 0xe6dd,
+  0x7d80, 0xe6d6, 0x7d7f, 0xe6d0, 0x7d7e, 0xe6ca, 0x7d7c, 0xe6c4,
+  0x7d7b, 0xe6be, 0x7d7a, 0xe6b8, 0x7d79, 0xe6b2, 0x7d77, 0xe6ab,
+  0x7d76, 0xe6a5, 0x7d75, 0xe69f, 0x7d74, 0xe699, 0x7d72, 0xe693,
+  0x7d71, 0xe68d, 0x7d70, 0xe686, 0x7d6f, 0xe680, 0x7d6d, 0xe67a,
+  0x7d6c, 0xe674, 0x7d6b, 0xe66e, 0x7d6a, 0xe668, 0x7d68, 0xe661,
+  0x7d67, 0xe65b, 0x7d66, 0xe655, 0x7d65, 0xe64f, 0x7d63, 0xe649,
+  0x7d62, 0xe643, 0x7d61, 0xe63d, 0x7d60, 0xe636, 0x7d5e, 0xe630,
+  0x7d5d, 0xe62a, 0x7d5c, 0xe624, 0x7d5a, 0xe61e, 0x7d59, 0xe618,
+  0x7d58, 0xe611, 0x7d57, 0xe60b, 0x7d55, 0xe605, 0x7d54, 0xe5ff,
+  0x7d53, 0xe5f9, 0x7d52, 0xe5f3, 0x7d50, 0xe5ed, 0x7d4f, 0xe5e6,
+  0x7d4e, 0xe5e0, 0x7d4c, 0xe5da, 0x7d4b, 0xe5d4, 0x7d4a, 0xe5ce,
+  0x7d49, 0xe5c8, 0x7d47, 0xe5c2, 0x7d46, 0xe5bb, 0x7d45, 0xe5b5,
+  0x7d43, 0xe5af, 0x7d42, 0xe5a9, 0x7d41, 0xe5a3, 0x7d3f, 0xe59d,
+  0x7d3e, 0xe596, 0x7d3d, 0xe590, 0x7d3c, 0xe58a, 0x7d3a, 0xe584,
+  0x7d39, 0xe57e, 0x7d38, 0xe578, 0x7d36, 0xe572, 0x7d35, 0xe56b,
+  0x7d34, 0xe565, 0x7d32, 0xe55f, 0x7d31, 0xe559, 0x7d30, 0xe553,
+  0x7d2f, 0xe54d, 0x7d2d, 0xe547, 0x7d2c, 0xe540, 0x7d2b, 0xe53a,
+  0x7d29, 0xe534, 0x7d28, 0xe52e, 0x7d27, 0xe528, 0x7d25, 0xe522,
+  0x7d24, 0xe51c, 0x7d23, 0xe515, 0x7d21, 0xe50f, 0x7d20, 0xe509,
+  0x7d1f, 0xe503, 0x7d1d, 0xe4fd, 0x7d1c, 0xe4f7, 0x7d1b, 0xe4f1,
+  0x7d19, 0xe4ea, 0x7d18, 0xe4e4, 0x7d17, 0xe4de, 0x7d15, 0xe4d8,
+  0x7d14, 0xe4d2, 0x7d13, 0xe4cc, 0x7d11, 0xe4c6, 0x7d10, 0xe4bf,
+  0x7d0f, 0xe4b9, 0x7d0d, 0xe4b3, 0x7d0c, 0xe4ad, 0x7d0b, 0xe4a7,
+  0x7d09, 0xe4a1, 0x7d08, 0xe49b, 0x7d07, 0xe494, 0x7d05, 0xe48e,
+  0x7d04, 0xe488, 0x7d03, 0xe482, 0x7d01, 0xe47c, 0x7d00, 0xe476,
+  0x7cff, 0xe470, 0x7cfd, 0xe46a, 0x7cfc, 0xe463, 0x7cfb, 0xe45d,
+  0x7cf9, 0xe457, 0x7cf8, 0xe451, 0x7cf6, 0xe44b, 0x7cf5, 0xe445,
+  0x7cf4, 0xe43f, 0x7cf2, 0xe438, 0x7cf1, 0xe432, 0x7cf0, 0xe42c,
+  0x7cee, 0xe426, 0x7ced, 0xe420, 0x7cec, 0xe41a, 0x7cea, 0xe414,
+  0x7ce9, 0xe40e, 0x7ce7, 0xe407, 0x7ce6, 0xe401, 0x7ce5, 0xe3fb,
+  0x7ce3, 0xe3f5, 0x7ce2, 0xe3ef, 0x7ce1, 0xe3e9, 0x7cdf, 0xe3e3,
+  0x7cde, 0xe3dc, 0x7cdc, 0xe3d6, 0x7cdb, 0xe3d0, 0x7cda, 0xe3ca,
+  0x7cd8, 0xe3c4, 0x7cd7, 0xe3be, 0x7cd5, 0xe3b8, 0x7cd4, 0xe3b2,
+  0x7cd3, 0xe3ab, 0x7cd1, 0xe3a5, 0x7cd0, 0xe39f, 0x7ccf, 0xe399,
+  0x7ccd, 0xe393, 0x7ccc, 0xe38d, 0x7cca, 0xe387, 0x7cc9, 0xe381,
+  0x7cc8, 0xe37a, 0x7cc6, 0xe374, 0x7cc5, 0xe36e, 0x7cc3, 0xe368,
+  0x7cc2, 0xe362, 0x7cc1, 0xe35c, 0x7cbf, 0xe356, 0x7cbe, 0xe350,
+  0x7cbc, 0xe349, 0x7cbb, 0xe343, 0x7cb9, 0xe33d, 0x7cb8, 0xe337,
+  0x7cb7, 0xe331, 0x7cb5, 0xe32b, 0x7cb4, 0xe325, 0x7cb2, 0xe31f,
+  0x7cb1, 0xe318, 0x7cb0, 0xe312, 0x7cae, 0xe30c, 0x7cad, 0xe306,
+  0x7cab, 0xe300, 0x7caa, 0xe2fa, 0x7ca8, 0xe2f4, 0x7ca7, 0xe2ee,
+  0x7ca6, 0xe2e8, 0x7ca4, 0xe2e1, 0x7ca3, 0xe2db, 0x7ca1, 0xe2d5,
+  0x7ca0, 0xe2cf, 0x7c9e, 0xe2c9, 0x7c9d, 0xe2c3, 0x7c9c, 0xe2bd,
+  0x7c9a, 0xe2b7, 0x7c99, 0xe2b0, 0x7c97, 0xe2aa, 0x7c96, 0xe2a4,
+  0x7c94, 0xe29e, 0x7c93, 0xe298, 0x7c91, 0xe292, 0x7c90, 0xe28c,
+  0x7c8f, 0xe286, 0x7c8d, 0xe280, 0x7c8c, 0xe279, 0x7c8a, 0xe273,
+  0x7c89, 0xe26d, 0x7c87, 0xe267, 0x7c86, 0xe261, 0x7c84, 0xe25b,
+  0x7c83, 0xe255, 0x7c82, 0xe24f, 0x7c80, 0xe249, 0x7c7f, 0xe242,
+  0x7c7d, 0xe23c, 0x7c7c, 0xe236, 0x7c7a, 0xe230, 0x7c79, 0xe22a,
+  0x7c77, 0xe224, 0x7c76, 0xe21e, 0x7c74, 0xe218, 0x7c73, 0xe212,
+  0x7c71, 0xe20b, 0x7c70, 0xe205, 0x7c6e, 0xe1ff, 0x7c6d, 0xe1f9,
+  0x7c6c, 0xe1f3, 0x7c6a, 0xe1ed, 0x7c69, 0xe1e7, 0x7c67, 0xe1e1,
+  0x7c66, 0xe1db, 0x7c64, 0xe1d4, 0x7c63, 0xe1ce, 0x7c61, 0xe1c8,
+  0x7c60, 0xe1c2, 0x7c5e, 0xe1bc, 0x7c5d, 0xe1b6, 0x7c5b, 0xe1b0,
+  0x7c5a, 0xe1aa, 0x7c58, 0xe1a4, 0x7c57, 0xe19e, 0x7c55, 0xe197,
+  0x7c54, 0xe191, 0x7c52, 0xe18b, 0x7c51, 0xe185, 0x7c4f, 0xe17f,
+  0x7c4e, 0xe179, 0x7c4c, 0xe173, 0x7c4b, 0xe16d, 0x7c49, 0xe167,
+  0x7c48, 0xe160, 0x7c46, 0xe15a, 0x7c45, 0xe154, 0x7c43, 0xe14e,
+  0x7c42, 0xe148, 0x7c40, 0xe142, 0x7c3f, 0xe13c, 0x7c3d, 0xe136,
+  0x7c3c, 0xe130, 0x7c3a, 0xe12a, 0x7c39, 0xe123, 0x7c37, 0xe11d,
+  0x7c36, 0xe117, 0x7c34, 0xe111, 0x7c33, 0xe10b, 0x7c31, 0xe105,
+  0x7c30, 0xe0ff, 0x7c2e, 0xe0f9, 0x7c2d, 0xe0f3, 0x7c2b, 0xe0ed,
+  0x7c29, 0xe0e7, 0x7c28, 0xe0e0, 0x7c26, 0xe0da, 0x7c25, 0xe0d4,
+  0x7c23, 0xe0ce, 0x7c22, 0xe0c8, 0x7c20, 0xe0c2, 0x7c1f, 0xe0bc,
+  0x7c1d, 0xe0b6, 0x7c1c, 0xe0b0, 0x7c1a, 0xe0aa, 0x7c19, 0xe0a3,
+  0x7c17, 0xe09d, 0x7c16, 0xe097, 0x7c14, 0xe091, 0x7c12, 0xe08b,
+  0x7c11, 0xe085, 0x7c0f, 0xe07f, 0x7c0e, 0xe079, 0x7c0c, 0xe073,
+  0x7c0b, 0xe06d, 0x7c09, 0xe067, 0x7c08, 0xe061, 0x7c06, 0xe05a,
+  0x7c05, 0xe054, 0x7c03, 0xe04e, 0x7c01, 0xe048, 0x7c00, 0xe042,
+  0x7bfe, 0xe03c, 0x7bfd, 0xe036, 0x7bfb, 0xe030, 0x7bfa, 0xe02a,
+  0x7bf8, 0xe024, 0x7bf6, 0xe01e, 0x7bf5, 0xe017, 0x7bf3, 0xe011,
+  0x7bf2, 0xe00b, 0x7bf0, 0xe005, 0x7bef, 0xdfff, 0x7bed, 0xdff9,
+  0x7beb, 0xdff3, 0x7bea, 0xdfed, 0x7be8, 0xdfe7, 0x7be7, 0xdfe1,
+  0x7be5, 0xdfdb, 0x7be4, 0xdfd5, 0x7be2, 0xdfce, 0x7be0, 0xdfc8,
+  0x7bdf, 0xdfc2, 0x7bdd, 0xdfbc, 0x7bdc, 0xdfb6, 0x7bda, 0xdfb0,
+  0x7bd9, 0xdfaa, 0x7bd7, 0xdfa4, 0x7bd5, 0xdf9e, 0x7bd4, 0xdf98,
+  0x7bd2, 0xdf92, 0x7bd1, 0xdf8c, 0x7bcf, 0xdf86, 0x7bcd, 0xdf7f,
+  0x7bcc, 0xdf79, 0x7bca, 0xdf73, 0x7bc9, 0xdf6d, 0x7bc7, 0xdf67,
+  0x7bc5, 0xdf61, 0x7bc4, 0xdf5b, 0x7bc2, 0xdf55, 0x7bc1, 0xdf4f,
+  0x7bbf, 0xdf49, 0x7bbd, 0xdf43, 0x7bbc, 0xdf3d, 0x7bba, 0xdf37,
+  0x7bb9, 0xdf30, 0x7bb7, 0xdf2a, 0x7bb5, 0xdf24, 0x7bb4, 0xdf1e,
+  0x7bb2, 0xdf18, 0x7bb0, 0xdf12, 0x7baf, 0xdf0c, 0x7bad, 0xdf06,
+  0x7bac, 0xdf00, 0x7baa, 0xdefa, 0x7ba8, 0xdef4, 0x7ba7, 0xdeee,
+  0x7ba5, 0xdee8, 0x7ba3, 0xdee2, 0x7ba2, 0xdedb, 0x7ba0, 0xded5,
+  0x7b9f, 0xdecf, 0x7b9d, 0xdec9, 0x7b9b, 0xdec3, 0x7b9a, 0xdebd,
+  0x7b98, 0xdeb7, 0x7b96, 0xdeb1, 0x7b95, 0xdeab, 0x7b93, 0xdea5,
+  0x7b92, 0xde9f, 0x7b90, 0xde99, 0x7b8e, 0xde93, 0x7b8d, 0xde8d,
+  0x7b8b, 0xde87, 0x7b89, 0xde80, 0x7b88, 0xde7a, 0x7b86, 0xde74,
+  0x7b84, 0xde6e, 0x7b83, 0xde68, 0x7b81, 0xde62, 0x7b7f, 0xde5c,
+  0x7b7e, 0xde56, 0x7b7c, 0xde50, 0x7b7a, 0xde4a, 0x7b79, 0xde44,
+  0x7b77, 0xde3e, 0x7b76, 0xde38, 0x7b74, 0xde32, 0x7b72, 0xde2c,
+  0x7b71, 0xde26, 0x7b6f, 0xde1f, 0x7b6d, 0xde19, 0x7b6c, 0xde13,
+  0x7b6a, 0xde0d, 0x7b68, 0xde07, 0x7b67, 0xde01, 0x7b65, 0xddfb,
+  0x7b63, 0xddf5, 0x7b62, 0xddef, 0x7b60, 0xdde9, 0x7b5e, 0xdde3,
+  0x7b5d, 0xdddd, 0x7b5b, 0xddd7, 0x7b59, 0xddd1, 0x7b57, 0xddcb,
+  0x7b56, 0xddc5, 0x7b54, 0xddbf, 0x7b52, 0xddb9, 0x7b51, 0xddb2,
+  0x7b4f, 0xddac, 0x7b4d, 0xdda6, 0x7b4c, 0xdda0, 0x7b4a, 0xdd9a,
+  0x7b48, 0xdd94, 0x7b47, 0xdd8e, 0x7b45, 0xdd88, 0x7b43, 0xdd82,
+  0x7b42, 0xdd7c, 0x7b40, 0xdd76, 0x7b3e, 0xdd70, 0x7b3c, 0xdd6a,
+  0x7b3b, 0xdd64, 0x7b39, 0xdd5e, 0x7b37, 0xdd58, 0x7b36, 0xdd52,
+  0x7b34, 0xdd4c, 0x7b32, 0xdd46, 0x7b31, 0xdd40, 0x7b2f, 0xdd39,
+  0x7b2d, 0xdd33, 0x7b2b, 0xdd2d, 0x7b2a, 0xdd27, 0x7b28, 0xdd21,
+  0x7b26, 0xdd1b, 0x7b25, 0xdd15, 0x7b23, 0xdd0f, 0x7b21, 0xdd09,
+  0x7b1f, 0xdd03, 0x7b1e, 0xdcfd, 0x7b1c, 0xdcf7, 0x7b1a, 0xdcf1,
+  0x7b19, 0xdceb, 0x7b17, 0xdce5, 0x7b15, 0xdcdf, 0x7b13, 0xdcd9,
+  0x7b12, 0xdcd3, 0x7b10, 0xdccd, 0x7b0e, 0xdcc7, 0x7b0c, 0xdcc1,
+  0x7b0b, 0xdcbb, 0x7b09, 0xdcb5, 0x7b07, 0xdcae, 0x7b06, 0xdca8,
+  0x7b04, 0xdca2, 0x7b02, 0xdc9c, 0x7b00, 0xdc96, 0x7aff, 0xdc90,
+  0x7afd, 0xdc8a, 0x7afb, 0xdc84, 0x7af9, 0xdc7e, 0x7af8, 0xdc78,
+  0x7af6, 0xdc72, 0x7af4, 0xdc6c, 0x7af2, 0xdc66, 0x7af1, 0xdc60,
+  0x7aef, 0xdc5a, 0x7aed, 0xdc54, 0x7aeb, 0xdc4e, 0x7aea, 0xdc48,
+  0x7ae8, 0xdc42, 0x7ae6, 0xdc3c, 0x7ae4, 0xdc36, 0x7ae3, 0xdc30,
+  0x7ae1, 0xdc2a, 0x7adf, 0xdc24, 0x7add, 0xdc1e, 0x7adc, 0xdc18,
+  0x7ada, 0xdc12, 0x7ad8, 0xdc0c, 0x7ad6, 0xdc06, 0x7ad5, 0xdbff,
+  0x7ad3, 0xdbf9, 0x7ad1, 0xdbf3, 0x7acf, 0xdbed, 0x7acd, 0xdbe7,
+  0x7acc, 0xdbe1, 0x7aca, 0xdbdb, 0x7ac8, 0xdbd5, 0x7ac6, 0xdbcf,
+  0x7ac5, 0xdbc9, 0x7ac3, 0xdbc3, 0x7ac1, 0xdbbd, 0x7abf, 0xdbb7,
+  0x7abd, 0xdbb1, 0x7abc, 0xdbab, 0x7aba, 0xdba5, 0x7ab8, 0xdb9f,
+  0x7ab6, 0xdb99, 0x7ab5, 0xdb93, 0x7ab3, 0xdb8d, 0x7ab1, 0xdb87,
+  0x7aaf, 0xdb81, 0x7aad, 0xdb7b, 0x7aac, 0xdb75, 0x7aaa, 0xdb6f,
+  0x7aa8, 0xdb69, 0x7aa6, 0xdb63, 0x7aa4, 0xdb5d, 0x7aa3, 0xdb57,
+  0x7aa1, 0xdb51, 0x7a9f, 0xdb4b, 0x7a9d, 0xdb45, 0x7a9b, 0xdb3f,
+  0x7a9a, 0xdb39, 0x7a98, 0xdb33, 0x7a96, 0xdb2d, 0x7a94, 0xdb27,
+  0x7a92, 0xdb21, 0x7a91, 0xdb1b, 0x7a8f, 0xdb15, 0x7a8d, 0xdb0f,
+  0x7a8b, 0xdb09, 0x7a89, 0xdb03, 0x7a87, 0xdafd, 0x7a86, 0xdaf7,
+  0x7a84, 0xdaf1, 0x7a82, 0xdaea, 0x7a80, 0xdae4, 0x7a7e, 0xdade,
+  0x7a7d, 0xdad8, 0x7a7b, 0xdad2, 0x7a79, 0xdacc, 0x7a77, 0xdac6,
+  0x7a75, 0xdac0, 0x7a73, 0xdaba, 0x7a72, 0xdab4, 0x7a70, 0xdaae,
+  0x7a6e, 0xdaa8, 0x7a6c, 0xdaa2, 0x7a6a, 0xda9c, 0x7a68, 0xda96,
+  0x7a67, 0xda90, 0x7a65, 0xda8a, 0x7a63, 0xda84, 0x7a61, 0xda7e,
+  0x7a5f, 0xda78, 0x7a5d, 0xda72, 0x7a5c, 0xda6c, 0x7a5a, 0xda66,
+  0x7a58, 0xda60, 0x7a56, 0xda5a, 0x7a54, 0xda54, 0x7a52, 0xda4e,
+  0x7a50, 0xda48, 0x7a4f, 0xda42, 0x7a4d, 0xda3c, 0x7a4b, 0xda36,
+  0x7a49, 0xda30, 0x7a47, 0xda2a, 0x7a45, 0xda24, 0x7a43, 0xda1e,
+  0x7a42, 0xda18, 0x7a40, 0xda12, 0x7a3e, 0xda0c, 0x7a3c, 0xda06,
+  0x7a3a, 0xda00, 0x7a38, 0xd9fa, 0x7a36, 0xd9f4, 0x7a35, 0xd9ee,
+  0x7a33, 0xd9e8, 0x7a31, 0xd9e2, 0x7a2f, 0xd9dc, 0x7a2d, 0xd9d6,
+  0x7a2b, 0xd9d0, 0x7a29, 0xd9ca, 0x7a27, 0xd9c4, 0x7a26, 0xd9be,
+  0x7a24, 0xd9b8, 0x7a22, 0xd9b2, 0x7a20, 0xd9ac, 0x7a1e, 0xd9a6,
+  0x7a1c, 0xd9a0, 0x7a1a, 0xd99a, 0x7a18, 0xd994, 0x7a16, 0xd98e,
+  0x7a15, 0xd988, 0x7a13, 0xd982, 0x7a11, 0xd97c, 0x7a0f, 0xd976,
+  0x7a0d, 0xd970, 0x7a0b, 0xd96a, 0x7a09, 0xd964, 0x7a07, 0xd95e,
+  0x7a05, 0xd958, 0x7a04, 0xd952, 0x7a02, 0xd94c, 0x7a00, 0xd946,
+  0x79fe, 0xd940, 0x79fc, 0xd93a, 0x79fa, 0xd934, 0x79f8, 0xd92e,
+  0x79f6, 0xd928, 0x79f4, 0xd922, 0x79f2, 0xd91c, 0x79f0, 0xd917,
+  0x79ef, 0xd911, 0x79ed, 0xd90b, 0x79eb, 0xd905, 0x79e9, 0xd8ff,
+  0x79e7, 0xd8f9, 0x79e5, 0xd8f3, 0x79e3, 0xd8ed, 0x79e1, 0xd8e7,
+  0x79df, 0xd8e1, 0x79dd, 0xd8db, 0x79db, 0xd8d5, 0x79d9, 0xd8cf,
+  0x79d8, 0xd8c9, 0x79d6, 0xd8c3, 0x79d4, 0xd8bd, 0x79d2, 0xd8b7,
+  0x79d0, 0xd8b1, 0x79ce, 0xd8ab, 0x79cc, 0xd8a5, 0x79ca, 0xd89f,
+  0x79c8, 0xd899, 0x79c6, 0xd893, 0x79c4, 0xd88d, 0x79c2, 0xd887,
+  0x79c0, 0xd881, 0x79be, 0xd87b, 0x79bc, 0xd875, 0x79bb, 0xd86f,
+  0x79b9, 0xd869, 0x79b7, 0xd863, 0x79b5, 0xd85d, 0x79b3, 0xd857,
+  0x79b1, 0xd851, 0x79af, 0xd84b, 0x79ad, 0xd845, 0x79ab, 0xd83f,
+  0x79a9, 0xd839, 0x79a7, 0xd833, 0x79a5, 0xd82d, 0x79a3, 0xd827,
+  0x79a1, 0xd821, 0x799f, 0xd81b, 0x799d, 0xd815, 0x799b, 0xd80f,
+  0x7999, 0xd80a, 0x7997, 0xd804, 0x7995, 0xd7fe, 0x7993, 0xd7f8,
+  0x7992, 0xd7f2, 0x7990, 0xd7ec, 0x798e, 0xd7e6, 0x798c, 0xd7e0,
+  0x798a, 0xd7da, 0x7988, 0xd7d4, 0x7986, 0xd7ce, 0x7984, 0xd7c8,
+  0x7982, 0xd7c2, 0x7980, 0xd7bc, 0x797e, 0xd7b6, 0x797c, 0xd7b0,
+  0x797a, 0xd7aa, 0x7978, 0xd7a4, 0x7976, 0xd79e, 0x7974, 0xd798,
+  0x7972, 0xd792, 0x7970, 0xd78c, 0x796e, 0xd786, 0x796c, 0xd780,
+  0x796a, 0xd77a, 0x7968, 0xd774, 0x7966, 0xd76e, 0x7964, 0xd768,
+  0x7962, 0xd763, 0x7960, 0xd75d, 0x795e, 0xd757, 0x795c, 0xd751,
+  0x795a, 0xd74b, 0x7958, 0xd745, 0x7956, 0xd73f, 0x7954, 0xd739,
+  0x7952, 0xd733, 0x7950, 0xd72d, 0x794e, 0xd727, 0x794c, 0xd721,
+  0x794a, 0xd71b, 0x7948, 0xd715, 0x7946, 0xd70f, 0x7944, 0xd709,
+  0x7942, 0xd703, 0x7940, 0xd6fd, 0x793e, 0xd6f7, 0x793c, 0xd6f1,
+  0x793a, 0xd6eb, 0x7938, 0xd6e5, 0x7936, 0xd6e0, 0x7934, 0xd6da,
+  0x7932, 0xd6d4, 0x7930, 0xd6ce, 0x792e, 0xd6c8, 0x792c, 0xd6c2,
+  0x792a, 0xd6bc, 0x7928, 0xd6b6, 0x7926, 0xd6b0, 0x7924, 0xd6aa,
+  0x7922, 0xd6a4, 0x7920, 0xd69e, 0x791e, 0xd698, 0x791c, 0xd692,
+  0x7919, 0xd68c, 0x7917, 0xd686, 0x7915, 0xd680, 0x7913, 0xd67a,
+  0x7911, 0xd675, 0x790f, 0xd66f, 0x790d, 0xd669, 0x790b, 0xd663,
+  0x7909, 0xd65d, 0x7907, 0xd657, 0x7905, 0xd651, 0x7903, 0xd64b,
+  0x7901, 0xd645, 0x78ff, 0xd63f, 0x78fd, 0xd639, 0x78fb, 0xd633,
+  0x78f9, 0xd62d, 0x78f7, 0xd627, 0x78f5, 0xd621, 0x78f3, 0xd61b,
+  0x78f1, 0xd615, 0x78ee, 0xd610, 0x78ec, 0xd60a, 0x78ea, 0xd604,
+  0x78e8, 0xd5fe, 0x78e6, 0xd5f8, 0x78e4, 0xd5f2, 0x78e2, 0xd5ec,
+  0x78e0, 0xd5e6, 0x78de, 0xd5e0, 0x78dc, 0xd5da, 0x78da, 0xd5d4,
+  0x78d8, 0xd5ce, 0x78d6, 0xd5c8, 0x78d4, 0xd5c2, 0x78d2, 0xd5bc,
+  0x78cf, 0xd5b7, 0x78cd, 0xd5b1, 0x78cb, 0xd5ab, 0x78c9, 0xd5a5,
+  0x78c7, 0xd59f, 0x78c5, 0xd599, 0x78c3, 0xd593, 0x78c1, 0xd58d,
+  0x78bf, 0xd587, 0x78bd, 0xd581, 0x78bb, 0xd57b, 0x78b9, 0xd575,
+  0x78b6, 0xd56f, 0x78b4, 0xd569, 0x78b2, 0xd564, 0x78b0, 0xd55e,
+  0x78ae, 0xd558, 0x78ac, 0xd552, 0x78aa, 0xd54c, 0x78a8, 0xd546,
+  0x78a6, 0xd540, 0x78a4, 0xd53a, 0x78a2, 0xd534, 0x789f, 0xd52e,
+  0x789d, 0xd528, 0x789b, 0xd522, 0x7899, 0xd51c, 0x7897, 0xd517,
+  0x7895, 0xd511, 0x7893, 0xd50b, 0x7891, 0xd505, 0x788f, 0xd4ff,
+  0x788c, 0xd4f9, 0x788a, 0xd4f3, 0x7888, 0xd4ed, 0x7886, 0xd4e7,
+  0x7884, 0xd4e1, 0x7882, 0xd4db, 0x7880, 0xd4d5, 0x787e, 0xd4d0,
+  0x787c, 0xd4ca, 0x7879, 0xd4c4, 0x7877, 0xd4be, 0x7875, 0xd4b8,
+  0x7873, 0xd4b2, 0x7871, 0xd4ac, 0x786f, 0xd4a6, 0x786d, 0xd4a0,
+  0x786b, 0xd49a, 0x7868, 0xd494, 0x7866, 0xd48f, 0x7864, 0xd489,
+  0x7862, 0xd483, 0x7860, 0xd47d, 0x785e, 0xd477, 0x785c, 0xd471,
+  0x7859, 0xd46b, 0x7857, 0xd465, 0x7855, 0xd45f, 0x7853, 0xd459,
+  0x7851, 0xd453, 0x784f, 0xd44e, 0x784d, 0xd448, 0x784a, 0xd442,
+  0x7848, 0xd43c, 0x7846, 0xd436, 0x7844, 0xd430, 0x7842, 0xd42a,
+  0x7840, 0xd424, 0x783e, 0xd41e, 0x783b, 0xd418, 0x7839, 0xd412,
+  0x7837, 0xd40d, 0x7835, 0xd407, 0x7833, 0xd401, 0x7831, 0xd3fb,
+  0x782e, 0xd3f5, 0x782c, 0xd3ef, 0x782a, 0xd3e9, 0x7828, 0xd3e3,
+  0x7826, 0xd3dd, 0x7824, 0xd3d7, 0x7821, 0xd3d2, 0x781f, 0xd3cc,
+  0x781d, 0xd3c6, 0x781b, 0xd3c0, 0x7819, 0xd3ba, 0x7817, 0xd3b4,
+  0x7814, 0xd3ae, 0x7812, 0xd3a8, 0x7810, 0xd3a2, 0x780e, 0xd39d,
+  0x780c, 0xd397, 0x780a, 0xd391, 0x7807, 0xd38b, 0x7805, 0xd385,
+  0x7803, 0xd37f, 0x7801, 0xd379, 0x77ff, 0xd373, 0x77fc, 0xd36d,
+  0x77fa, 0xd368, 0x77f8, 0xd362, 0x77f6, 0xd35c, 0x77f4, 0xd356,
+  0x77f1, 0xd350, 0x77ef, 0xd34a, 0x77ed, 0xd344, 0x77eb, 0xd33e,
+  0x77e9, 0xd338, 0x77e6, 0xd333, 0x77e4, 0xd32d, 0x77e2, 0xd327,
+  0x77e0, 0xd321, 0x77de, 0xd31b, 0x77db, 0xd315, 0x77d9, 0xd30f,
+  0x77d7, 0xd309, 0x77d5, 0xd303, 0x77d3, 0xd2fe, 0x77d0, 0xd2f8,
+  0x77ce, 0xd2f2, 0x77cc, 0xd2ec, 0x77ca, 0xd2e6, 0x77c8, 0xd2e0,
+  0x77c5, 0xd2da, 0x77c3, 0xd2d4, 0x77c1, 0xd2cf, 0x77bf, 0xd2c9,
+  0x77bc, 0xd2c3, 0x77ba, 0xd2bd, 0x77b8, 0xd2b7, 0x77b6, 0xd2b1,
+  0x77b4, 0xd2ab, 0x77b1, 0xd2a5, 0x77af, 0xd2a0, 0x77ad, 0xd29a,
+  0x77ab, 0xd294, 0x77a8, 0xd28e, 0x77a6, 0xd288, 0x77a4, 0xd282,
+  0x77a2, 0xd27c, 0x77a0, 0xd276, 0x779d, 0xd271, 0x779b, 0xd26b,
+  0x7799, 0xd265, 0x7797, 0xd25f, 0x7794, 0xd259, 0x7792, 0xd253,
+  0x7790, 0xd24d, 0x778e, 0xd247, 0x778b, 0xd242, 0x7789, 0xd23c,
+  0x7787, 0xd236, 0x7785, 0xd230, 0x7782, 0xd22a, 0x7780, 0xd224,
+  0x777e, 0xd21e, 0x777c, 0xd219, 0x7779, 0xd213, 0x7777, 0xd20d,
+  0x7775, 0xd207, 0x7773, 0xd201, 0x7770, 0xd1fb, 0x776e, 0xd1f5,
+  0x776c, 0xd1ef, 0x776a, 0xd1ea, 0x7767, 0xd1e4, 0x7765, 0xd1de,
+  0x7763, 0xd1d8, 0x7760, 0xd1d2, 0x775e, 0xd1cc, 0x775c, 0xd1c6,
+  0x775a, 0xd1c1, 0x7757, 0xd1bb, 0x7755, 0xd1b5, 0x7753, 0xd1af,
+  0x7751, 0xd1a9, 0x774e, 0xd1a3, 0x774c, 0xd19d, 0x774a, 0xd198,
+  0x7747, 0xd192, 0x7745, 0xd18c, 0x7743, 0xd186, 0x7741, 0xd180,
+  0x773e, 0xd17a, 0x773c, 0xd174, 0x773a, 0xd16f, 0x7738, 0xd169,
+  0x7735, 0xd163, 0x7733, 0xd15d, 0x7731, 0xd157, 0x772e, 0xd151,
+  0x772c, 0xd14b, 0x772a, 0xd146, 0x7727, 0xd140, 0x7725, 0xd13a,
+  0x7723, 0xd134, 0x7721, 0xd12e, 0x771e, 0xd128, 0x771c, 0xd123,
+  0x771a, 0xd11d, 0x7717, 0xd117, 0x7715, 0xd111, 0x7713, 0xd10b,
+  0x7710, 0xd105, 0x770e, 0xd0ff, 0x770c, 0xd0fa, 0x770a, 0xd0f4,
+  0x7707, 0xd0ee, 0x7705, 0xd0e8, 0x7703, 0xd0e2, 0x7700, 0xd0dc,
+  0x76fe, 0xd0d7, 0x76fc, 0xd0d1, 0x76f9, 0xd0cb, 0x76f7, 0xd0c5,
+  0x76f5, 0xd0bf, 0x76f2, 0xd0b9, 0x76f0, 0xd0b4, 0x76ee, 0xd0ae,
+  0x76eb, 0xd0a8, 0x76e9, 0xd0a2, 0x76e7, 0xd09c, 0x76e4, 0xd096,
+  0x76e2, 0xd091, 0x76e0, 0xd08b, 0x76dd, 0xd085, 0x76db, 0xd07f,
+  0x76d9, 0xd079, 0x76d6, 0xd073, 0x76d4, 0xd06e, 0x76d2, 0xd068,
+  0x76cf, 0xd062, 0x76cd, 0xd05c, 0x76cb, 0xd056, 0x76c8, 0xd050,
+  0x76c6, 0xd04b, 0x76c4, 0xd045, 0x76c1, 0xd03f, 0x76bf, 0xd039,
+  0x76bd, 0xd033, 0x76ba, 0xd02d, 0x76b8, 0xd028, 0x76b6, 0xd022,
+  0x76b3, 0xd01c, 0x76b1, 0xd016, 0x76af, 0xd010, 0x76ac, 0xd00a,
+  0x76aa, 0xd005, 0x76a8, 0xcfff, 0x76a5, 0xcff9, 0x76a3, 0xcff3,
+  0x76a0, 0xcfed, 0x769e, 0xcfe7, 0x769c, 0xcfe2, 0x7699, 0xcfdc,
+  0x7697, 0xcfd6, 0x7695, 0xcfd0, 0x7692, 0xcfca, 0x7690, 0xcfc5,
+  0x768e, 0xcfbf, 0x768b, 0xcfb9, 0x7689, 0xcfb3, 0x7686, 0xcfad,
+  0x7684, 0xcfa7, 0x7682, 0xcfa2, 0x767f, 0xcf9c, 0x767d, 0xcf96,
+  0x767b, 0xcf90, 0x7678, 0xcf8a, 0x7676, 0xcf85, 0x7673, 0xcf7f,
+  0x7671, 0xcf79, 0x766f, 0xcf73, 0x766c, 0xcf6d, 0x766a, 0xcf67,
+  0x7668, 0xcf62, 0x7665, 0xcf5c, 0x7663, 0xcf56, 0x7660, 0xcf50,
+  0x765e, 0xcf4a, 0x765c, 0xcf45, 0x7659, 0xcf3f, 0x7657, 0xcf39,
+  0x7654, 0xcf33, 0x7652, 0xcf2d, 0x7650, 0xcf28, 0x764d, 0xcf22,
+  0x764b, 0xcf1c, 0x7648, 0xcf16, 0x7646, 0xcf10, 0x7644, 0xcf0b,
+  0x7641, 0xcf05, 0x763f, 0xceff, 0x763c, 0xcef9, 0x763a, 0xcef3,
+  0x7638, 0xceee, 0x7635, 0xcee8, 0x7633, 0xcee2, 0x7630, 0xcedc,
+  0x762e, 0xced6, 0x762b, 0xced1, 0x7629, 0xcecb, 0x7627, 0xcec5,
+  0x7624, 0xcebf, 0x7622, 0xceb9, 0x761f, 0xceb4, 0x761d, 0xceae,
+  0x761b, 0xcea8, 0x7618, 0xcea2, 0x7616, 0xce9c, 0x7613, 0xce97,
+  0x7611, 0xce91, 0x760e, 0xce8b, 0x760c, 0xce85, 0x760a, 0xce7f,
+  0x7607, 0xce7a, 0x7605, 0xce74, 0x7602, 0xce6e, 0x7600, 0xce68,
+  0x75fd, 0xce62, 0x75fb, 0xce5d, 0x75f9, 0xce57, 0x75f6, 0xce51,
+  0x75f4, 0xce4b, 0x75f1, 0xce45, 0x75ef, 0xce40, 0x75ec, 0xce3a,
+  0x75ea, 0xce34, 0x75e7, 0xce2e, 0x75e5, 0xce28, 0x75e3, 0xce23,
+  0x75e0, 0xce1d, 0x75de, 0xce17, 0x75db, 0xce11, 0x75d9, 0xce0c,
+  0x75d6, 0xce06, 0x75d4, 0xce00, 0x75d1, 0xcdfa, 0x75cf, 0xcdf4,
+  0x75cc, 0xcdef, 0x75ca, 0xcde9, 0x75c8, 0xcde3, 0x75c5, 0xcddd,
+  0x75c3, 0xcdd8, 0x75c0, 0xcdd2, 0x75be, 0xcdcc, 0x75bb, 0xcdc6,
+  0x75b9, 0xcdc0, 0x75b6, 0xcdbb, 0x75b4, 0xcdb5, 0x75b1, 0xcdaf,
+  0x75af, 0xcda9, 0x75ac, 0xcda3, 0x75aa, 0xcd9e, 0x75a7, 0xcd98,
+  0x75a5, 0xcd92, 0x75a3, 0xcd8c, 0x75a0, 0xcd87, 0x759e, 0xcd81,
+  0x759b, 0xcd7b, 0x7599, 0xcd75, 0x7596, 0xcd70, 0x7594, 0xcd6a,
+  0x7591, 0xcd64, 0x758f, 0xcd5e, 0x758c, 0xcd58, 0x758a, 0xcd53,
+  0x7587, 0xcd4d, 0x7585, 0xcd47, 0x7582, 0xcd41, 0x7580, 0xcd3c,
+  0x757d, 0xcd36, 0x757b, 0xcd30, 0x7578, 0xcd2a, 0x7576, 0xcd25,
+  0x7573, 0xcd1f, 0x7571, 0xcd19, 0x756e, 0xcd13, 0x756c, 0xcd0d,
+  0x7569, 0xcd08, 0x7567, 0xcd02, 0x7564, 0xccfc, 0x7562, 0xccf6,
+  0x755f, 0xccf1, 0x755d, 0xcceb, 0x755a, 0xcce5, 0x7558, 0xccdf,
+  0x7555, 0xccda, 0x7553, 0xccd4, 0x7550, 0xccce, 0x754e, 0xccc8,
+  0x754b, 0xccc3, 0x7549, 0xccbd, 0x7546, 0xccb7, 0x7544, 0xccb1,
+  0x7541, 0xccac, 0x753f, 0xcca6, 0x753c, 0xcca0, 0x753a, 0xcc9a,
+  0x7537, 0xcc95, 0x7535, 0xcc8f, 0x7532, 0xcc89, 0x752f, 0xcc83,
+  0x752d, 0xcc7e, 0x752a, 0xcc78, 0x7528, 0xcc72, 0x7525, 0xcc6c,
+  0x7523, 0xcc67, 0x7520, 0xcc61, 0x751e, 0xcc5b, 0x751b, 0xcc55,
+  0x7519, 0xcc50, 0x7516, 0xcc4a, 0x7514, 0xcc44, 0x7511, 0xcc3e,
+  0x750f, 0xcc39, 0x750c, 0xcc33, 0x7509, 0xcc2d, 0x7507, 0xcc27,
+  0x7504, 0xcc22, 0x7502, 0xcc1c, 0x74ff, 0xcc16, 0x74fd, 0xcc10,
+  0x74fa, 0xcc0b, 0x74f8, 0xcc05, 0x74f5, 0xcbff, 0x74f2, 0xcbf9,
+  0x74f0, 0xcbf4, 0x74ed, 0xcbee, 0x74eb, 0xcbe8, 0x74e8, 0xcbe2,
+  0x74e6, 0xcbdd, 0x74e3, 0xcbd7, 0x74e1, 0xcbd1, 0x74de, 0xcbcb,
+  0x74db, 0xcbc6, 0x74d9, 0xcbc0, 0x74d6, 0xcbba, 0x74d4, 0xcbb5,
+  0x74d1, 0xcbaf, 0x74cf, 0xcba9, 0x74cc, 0xcba3, 0x74c9, 0xcb9e,
+  0x74c7, 0xcb98, 0x74c4, 0xcb92, 0x74c2, 0xcb8c, 0x74bf, 0xcb87,
+  0x74bd, 0xcb81, 0x74ba, 0xcb7b, 0x74b7, 0xcb75, 0x74b5, 0xcb70,
+  0x74b2, 0xcb6a, 0x74b0, 0xcb64, 0x74ad, 0xcb5f, 0x74ab, 0xcb59,
+  0x74a8, 0xcb53, 0x74a5, 0xcb4d, 0x74a3, 0xcb48, 0x74a0, 0xcb42,
+  0x749e, 0xcb3c, 0x749b, 0xcb36, 0x7498, 0xcb31, 0x7496, 0xcb2b,
+  0x7493, 0xcb25, 0x7491, 0xcb20, 0x748e, 0xcb1a, 0x748b, 0xcb14,
+  0x7489, 0xcb0e, 0x7486, 0xcb09, 0x7484, 0xcb03, 0x7481, 0xcafd,
+  0x747e, 0xcaf8, 0x747c, 0xcaf2, 0x7479, 0xcaec, 0x7477, 0xcae6,
+  0x7474, 0xcae1, 0x7471, 0xcadb, 0x746f, 0xcad5, 0x746c, 0xcad0,
+  0x746a, 0xcaca, 0x7467, 0xcac4, 0x7464, 0xcabe, 0x7462, 0xcab9,
+  0x745f, 0xcab3, 0x745c, 0xcaad, 0x745a, 0xcaa8, 0x7457, 0xcaa2,
+  0x7455, 0xca9c, 0x7452, 0xca96, 0x744f, 0xca91, 0x744d, 0xca8b,
+  0x744a, 0xca85, 0x7448, 0xca80, 0x7445, 0xca7a, 0x7442, 0xca74,
+  0x7440, 0xca6e, 0x743d, 0xca69, 0x743a, 0xca63, 0x7438, 0xca5d,
+  0x7435, 0xca58, 0x7432, 0xca52, 0x7430, 0xca4c, 0x742d, 0xca46,
+  0x742b, 0xca41, 0x7428, 0xca3b, 0x7425, 0xca35, 0x7423, 0xca30,
+  0x7420, 0xca2a, 0x741d, 0xca24, 0x741b, 0xca1f, 0x7418, 0xca19,
+  0x7415, 0xca13, 0x7413, 0xca0d, 0x7410, 0xca08, 0x740d, 0xca02,
+  0x740b, 0xc9fc, 0x7408, 0xc9f7, 0x7406, 0xc9f1, 0x7403, 0xc9eb,
+  0x7400, 0xc9e6, 0x73fe, 0xc9e0, 0x73fb, 0xc9da, 0x73f8, 0xc9d5,
+  0x73f6, 0xc9cf, 0x73f3, 0xc9c9, 0x73f0, 0xc9c3, 0x73ee, 0xc9be,
+  0x73eb, 0xc9b8, 0x73e8, 0xc9b2, 0x73e6, 0xc9ad, 0x73e3, 0xc9a7,
+  0x73e0, 0xc9a1, 0x73de, 0xc99c, 0x73db, 0xc996, 0x73d8, 0xc990,
+  0x73d6, 0xc98b, 0x73d3, 0xc985, 0x73d0, 0xc97f, 0x73ce, 0xc97a,
+  0x73cb, 0xc974, 0x73c8, 0xc96e, 0x73c6, 0xc968, 0x73c3, 0xc963,
+  0x73c0, 0xc95d, 0x73bd, 0xc957, 0x73bb, 0xc952, 0x73b8, 0xc94c,
+  0x73b5, 0xc946, 0x73b3, 0xc941, 0x73b0, 0xc93b, 0x73ad, 0xc935,
+  0x73ab, 0xc930, 0x73a8, 0xc92a, 0x73a5, 0xc924, 0x73a3, 0xc91f,
+  0x73a0, 0xc919, 0x739d, 0xc913, 0x739b, 0xc90e, 0x7398, 0xc908,
+  0x7395, 0xc902, 0x7392, 0xc8fd, 0x7390, 0xc8f7, 0x738d, 0xc8f1,
+  0x738a, 0xc8ec, 0x7388, 0xc8e6, 0x7385, 0xc8e0, 0x7382, 0xc8db,
+  0x737f, 0xc8d5, 0x737d, 0xc8cf, 0x737a, 0xc8ca, 0x7377, 0xc8c4,
+  0x7375, 0xc8be, 0x7372, 0xc8b9, 0x736f, 0xc8b3, 0x736c, 0xc8ad,
+  0x736a, 0xc8a8, 0x7367, 0xc8a2, 0x7364, 0xc89c, 0x7362, 0xc897,
+  0x735f, 0xc891, 0x735c, 0xc88b, 0x7359, 0xc886, 0x7357, 0xc880,
+  0x7354, 0xc87a, 0x7351, 0xc875, 0x734f, 0xc86f, 0x734c, 0xc869,
+  0x7349, 0xc864, 0x7346, 0xc85e, 0x7344, 0xc858, 0x7341, 0xc853,
+  0x733e, 0xc84d, 0x733b, 0xc847, 0x7339, 0xc842, 0x7336, 0xc83c,
+  0x7333, 0xc836, 0x7330, 0xc831, 0x732e, 0xc82b, 0x732b, 0xc825,
+  0x7328, 0xc820, 0x7326, 0xc81a, 0x7323, 0xc814, 0x7320, 0xc80f,
+  0x731d, 0xc809, 0x731b, 0xc803, 0x7318, 0xc7fe, 0x7315, 0xc7f8,
+  0x7312, 0xc7f3, 0x7310, 0xc7ed, 0x730d, 0xc7e7, 0x730a, 0xc7e2,
+  0x7307, 0xc7dc, 0x7305, 0xc7d6, 0x7302, 0xc7d1, 0x72ff, 0xc7cb,
+  0x72fc, 0xc7c5, 0x72f9, 0xc7c0, 0x72f7, 0xc7ba, 0x72f4, 0xc7b4,
+  0x72f1, 0xc7af, 0x72ee, 0xc7a9, 0x72ec, 0xc7a3, 0x72e9, 0xc79e,
+  0x72e6, 0xc798, 0x72e3, 0xc793, 0x72e1, 0xc78d, 0x72de, 0xc787,
+  0x72db, 0xc782, 0x72d8, 0xc77c, 0x72d5, 0xc776, 0x72d3, 0xc771,
+  0x72d0, 0xc76b, 0x72cd, 0xc765, 0x72ca, 0xc760, 0x72c8, 0xc75a,
+  0x72c5, 0xc755, 0x72c2, 0xc74f, 0x72bf, 0xc749, 0x72bc, 0xc744,
+  0x72ba, 0xc73e, 0x72b7, 0xc738, 0x72b4, 0xc733, 0x72b1, 0xc72d,
+  0x72af, 0xc728, 0x72ac, 0xc722, 0x72a9, 0xc71c, 0x72a6, 0xc717,
+  0x72a3, 0xc711, 0x72a1, 0xc70b, 0x729e, 0xc706, 0x729b, 0xc700,
+  0x7298, 0xc6fa, 0x7295, 0xc6f5, 0x7293, 0xc6ef, 0x7290, 0xc6ea,
+  0x728d, 0xc6e4, 0x728a, 0xc6de, 0x7287, 0xc6d9, 0x7285, 0xc6d3,
+  0x7282, 0xc6ce, 0x727f, 0xc6c8, 0x727c, 0xc6c2, 0x7279, 0xc6bd,
+  0x7276, 0xc6b7, 0x7274, 0xc6b1, 0x7271, 0xc6ac, 0x726e, 0xc6a6,
+  0x726b, 0xc6a1, 0x7268, 0xc69b, 0x7266, 0xc695, 0x7263, 0xc690,
+  0x7260, 0xc68a, 0x725d, 0xc684, 0x725a, 0xc67f, 0x7257, 0xc679,
+  0x7255, 0xc674, 0x7252, 0xc66e, 0x724f, 0xc668, 0x724c, 0xc663,
+  0x7249, 0xc65d, 0x7247, 0xc658, 0x7244, 0xc652, 0x7241, 0xc64c,
+  0x723e, 0xc647, 0x723b, 0xc641, 0x7238, 0xc63c, 0x7236, 0xc636,
+  0x7233, 0xc630, 0x7230, 0xc62b, 0x722d, 0xc625, 0x722a, 0xc620,
+  0x7227, 0xc61a, 0x7224, 0xc614, 0x7222, 0xc60f, 0x721f, 0xc609,
+  0x721c, 0xc603, 0x7219, 0xc5fe, 0x7216, 0xc5f8, 0x7213, 0xc5f3,
+  0x7211, 0xc5ed, 0x720e, 0xc5e7, 0x720b, 0xc5e2, 0x7208, 0xc5dc,
+  0x7205, 0xc5d7, 0x7202, 0xc5d1, 0x71ff, 0xc5cc, 0x71fd, 0xc5c6,
+  0x71fa, 0xc5c0, 0x71f7, 0xc5bb, 0x71f4, 0xc5b5, 0x71f1, 0xc5b0,
+  0x71ee, 0xc5aa, 0x71eb, 0xc5a4, 0x71e9, 0xc59f, 0x71e6, 0xc599,
+  0x71e3, 0xc594, 0x71e0, 0xc58e, 0x71dd, 0xc588, 0x71da, 0xc583,
+  0x71d7, 0xc57d, 0x71d4, 0xc578, 0x71d2, 0xc572, 0x71cf, 0xc56c,
+  0x71cc, 0xc567, 0x71c9, 0xc561, 0x71c6, 0xc55c, 0x71c3, 0xc556,
+  0x71c0, 0xc551, 0x71bd, 0xc54b, 0x71bb, 0xc545, 0x71b8, 0xc540,
+  0x71b5, 0xc53a, 0x71b2, 0xc535, 0x71af, 0xc52f, 0x71ac, 0xc529,
+  0x71a9, 0xc524, 0x71a6, 0xc51e, 0x71a3, 0xc519, 0x71a1, 0xc513,
+  0x719e, 0xc50e, 0x719b, 0xc508, 0x7198, 0xc502, 0x7195, 0xc4fd,
+  0x7192, 0xc4f7, 0x718f, 0xc4f2, 0x718c, 0xc4ec, 0x7189, 0xc4e7,
+  0x7186, 0xc4e1, 0x7184, 0xc4db, 0x7181, 0xc4d6, 0x717e, 0xc4d0,
+  0x717b, 0xc4cb, 0x7178, 0xc4c5, 0x7175, 0xc4c0, 0x7172, 0xc4ba,
+  0x716f, 0xc4b4, 0x716c, 0xc4af, 0x7169, 0xc4a9, 0x7167, 0xc4a4,
+  0x7164, 0xc49e, 0x7161, 0xc499, 0x715e, 0xc493, 0x715b, 0xc48d,
+  0x7158, 0xc488, 0x7155, 0xc482, 0x7152, 0xc47d, 0x714f, 0xc477,
+  0x714c, 0xc472, 0x7149, 0xc46c, 0x7146, 0xc467, 0x7143, 0xc461,
+  0x7141, 0xc45b, 0x713e, 0xc456, 0x713b, 0xc450, 0x7138, 0xc44b,
+  0x7135, 0xc445, 0x7132, 0xc440, 0x712f, 0xc43a, 0x712c, 0xc434,
+  0x7129, 0xc42f, 0x7126, 0xc429, 0x7123, 0xc424, 0x7120, 0xc41e,
+  0x711d, 0xc419, 0x711a, 0xc413, 0x7117, 0xc40e, 0x7114, 0xc408,
+  0x7112, 0xc403, 0x710f, 0xc3fd, 0x710c, 0xc3f7, 0x7109, 0xc3f2,
+  0x7106, 0xc3ec, 0x7103, 0xc3e7, 0x7100, 0xc3e1, 0x70fd, 0xc3dc,
+  0x70fa, 0xc3d6, 0x70f7, 0xc3d1, 0x70f4, 0xc3cb, 0x70f1, 0xc3c5,
+  0x70ee, 0xc3c0, 0x70eb, 0xc3ba, 0x70e8, 0xc3b5, 0x70e5, 0xc3af,
+  0x70e2, 0xc3aa, 0x70df, 0xc3a4, 0x70dc, 0xc39f, 0x70d9, 0xc399,
+  0x70d6, 0xc394, 0x70d3, 0xc38e, 0x70d1, 0xc389, 0x70ce, 0xc383,
+  0x70cb, 0xc37d, 0x70c8, 0xc378, 0x70c5, 0xc372, 0x70c2, 0xc36d,
+  0x70bf, 0xc367, 0x70bc, 0xc362, 0x70b9, 0xc35c, 0x70b6, 0xc357,
+  0x70b3, 0xc351, 0x70b0, 0xc34c, 0x70ad, 0xc346, 0x70aa, 0xc341,
+  0x70a7, 0xc33b, 0x70a4, 0xc336, 0x70a1, 0xc330, 0x709e, 0xc32a,
+  0x709b, 0xc325, 0x7098, 0xc31f, 0x7095, 0xc31a, 0x7092, 0xc314,
+  0x708f, 0xc30f, 0x708c, 0xc309, 0x7089, 0xc304, 0x7086, 0xc2fe,
+  0x7083, 0xc2f9, 0x7080, 0xc2f3, 0x707d, 0xc2ee, 0x707a, 0xc2e8,
+  0x7077, 0xc2e3, 0x7074, 0xc2dd, 0x7071, 0xc2d8, 0x706e, 0xc2d2,
+  0x706b, 0xc2cd, 0x7068, 0xc2c7, 0x7065, 0xc2c2, 0x7062, 0xc2bc,
+  0x705f, 0xc2b7, 0x705c, 0xc2b1, 0x7059, 0xc2ab, 0x7056, 0xc2a6,
+  0x7053, 0xc2a0, 0x7050, 0xc29b, 0x704d, 0xc295, 0x704a, 0xc290,
+  0x7047, 0xc28a, 0x7044, 0xc285, 0x7041, 0xc27f, 0x703e, 0xc27a,
+  0x703b, 0xc274, 0x7038, 0xc26f, 0x7035, 0xc269, 0x7032, 0xc264,
+  0x702f, 0xc25e, 0x702c, 0xc259, 0x7029, 0xc253, 0x7026, 0xc24e,
+  0x7023, 0xc248, 0x7020, 0xc243, 0x701d, 0xc23d, 0x7019, 0xc238,
+  0x7016, 0xc232, 0x7013, 0xc22d, 0x7010, 0xc227, 0x700d, 0xc222,
+  0x700a, 0xc21c, 0x7007, 0xc217, 0x7004, 0xc211, 0x7001, 0xc20c,
+  0x6ffe, 0xc206, 0x6ffb, 0xc201, 0x6ff8, 0xc1fb, 0x6ff5, 0xc1f6,
+  0x6ff2, 0xc1f0, 0x6fef, 0xc1eb, 0x6fec, 0xc1e5, 0x6fe9, 0xc1e0,
+  0x6fe6, 0xc1da, 0x6fe3, 0xc1d5, 0x6fe0, 0xc1cf, 0x6fdd, 0xc1ca,
+  0x6fda, 0xc1c4, 0x6fd6, 0xc1bf, 0x6fd3, 0xc1b9, 0x6fd0, 0xc1b4,
+  0x6fcd, 0xc1ae, 0x6fca, 0xc1a9, 0x6fc7, 0xc1a3, 0x6fc4, 0xc19e,
+  0x6fc1, 0xc198, 0x6fbe, 0xc193, 0x6fbb, 0xc18d, 0x6fb8, 0xc188,
+  0x6fb5, 0xc183, 0x6fb2, 0xc17d, 0x6faf, 0xc178, 0x6fac, 0xc172,
+  0x6fa9, 0xc16d, 0x6fa5, 0xc167, 0x6fa2, 0xc162, 0x6f9f, 0xc15c,
+  0x6f9c, 0xc157, 0x6f99, 0xc151, 0x6f96, 0xc14c, 0x6f93, 0xc146,
+  0x6f90, 0xc141, 0x6f8d, 0xc13b, 0x6f8a, 0xc136, 0x6f87, 0xc130,
+  0x6f84, 0xc12b, 0x6f81, 0xc125, 0x6f7d, 0xc120, 0x6f7a, 0xc11a,
+  0x6f77, 0xc115, 0x6f74, 0xc10f, 0x6f71, 0xc10a, 0x6f6e, 0xc105,
+  0x6f6b, 0xc0ff, 0x6f68, 0xc0fa, 0x6f65, 0xc0f4, 0x6f62, 0xc0ef,
+  0x6f5f, 0xc0e9, 0x6f5b, 0xc0e4, 0x6f58, 0xc0de, 0x6f55, 0xc0d9,
+  0x6f52, 0xc0d3, 0x6f4f, 0xc0ce, 0x6f4c, 0xc0c8, 0x6f49, 0xc0c3,
+  0x6f46, 0xc0bd, 0x6f43, 0xc0b8, 0x6f3f, 0xc0b3, 0x6f3c, 0xc0ad,
+  0x6f39, 0xc0a8, 0x6f36, 0xc0a2, 0x6f33, 0xc09d, 0x6f30, 0xc097,
+  0x6f2d, 0xc092, 0x6f2a, 0xc08c, 0x6f27, 0xc087, 0x6f23, 0xc081,
+  0x6f20, 0xc07c, 0x6f1d, 0xc077, 0x6f1a, 0xc071, 0x6f17, 0xc06c,
+  0x6f14, 0xc066, 0x6f11, 0xc061, 0x6f0e, 0xc05b, 0x6f0b, 0xc056,
+  0x6f07, 0xc050, 0x6f04, 0xc04b, 0x6f01, 0xc045, 0x6efe, 0xc040,
+  0x6efb, 0xc03b, 0x6ef8, 0xc035, 0x6ef5, 0xc030, 0x6ef1, 0xc02a,
+  0x6eee, 0xc025, 0x6eeb, 0xc01f, 0x6ee8, 0xc01a, 0x6ee5, 0xc014,
+  0x6ee2, 0xc00f, 0x6edf, 0xc00a, 0x6edc, 0xc004, 0x6ed8, 0xbfff,
+  0x6ed5, 0xbff9, 0x6ed2, 0xbff4, 0x6ecf, 0xbfee, 0x6ecc, 0xbfe9,
+  0x6ec9, 0xbfe3, 0x6ec6, 0xbfde, 0x6ec2, 0xbfd9, 0x6ebf, 0xbfd3,
+  0x6ebc, 0xbfce, 0x6eb9, 0xbfc8, 0x6eb6, 0xbfc3, 0x6eb3, 0xbfbd,
+  0x6eaf, 0xbfb8, 0x6eac, 0xbfb3, 0x6ea9, 0xbfad, 0x6ea6, 0xbfa8,
+  0x6ea3, 0xbfa2, 0x6ea0, 0xbf9d, 0x6e9c, 0xbf97, 0x6e99, 0xbf92,
+  0x6e96, 0xbf8d, 0x6e93, 0xbf87, 0x6e90, 0xbf82, 0x6e8d, 0xbf7c,
+  0x6e89, 0xbf77, 0x6e86, 0xbf71, 0x6e83, 0xbf6c, 0x6e80, 0xbf67,
+  0x6e7d, 0xbf61, 0x6e7a, 0xbf5c, 0x6e76, 0xbf56, 0x6e73, 0xbf51,
+  0x6e70, 0xbf4b, 0x6e6d, 0xbf46, 0x6e6a, 0xbf41, 0x6e67, 0xbf3b,
+  0x6e63, 0xbf36, 0x6e60, 0xbf30, 0x6e5d, 0xbf2b, 0x6e5a, 0xbf26,
+  0x6e57, 0xbf20, 0x6e53, 0xbf1b, 0x6e50, 0xbf15, 0x6e4d, 0xbf10,
+  0x6e4a, 0xbf0a, 0x6e47, 0xbf05, 0x6e44, 0xbf00, 0x6e40, 0xbefa,
+  0x6e3d, 0xbef5, 0x6e3a, 0xbeef, 0x6e37, 0xbeea, 0x6e34, 0xbee5,
+  0x6e30, 0xbedf, 0x6e2d, 0xbeda, 0x6e2a, 0xbed4, 0x6e27, 0xbecf,
+  0x6e24, 0xbeca, 0x6e20, 0xbec4, 0x6e1d, 0xbebf, 0x6e1a, 0xbeb9,
+  0x6e17, 0xbeb4, 0x6e14, 0xbeae, 0x6e10, 0xbea9, 0x6e0d, 0xbea4,
+  0x6e0a, 0xbe9e, 0x6e07, 0xbe99, 0x6e04, 0xbe93, 0x6e00, 0xbe8e,
+  0x6dfd, 0xbe89, 0x6dfa, 0xbe83, 0x6df7, 0xbe7e, 0x6df3, 0xbe78,
+  0x6df0, 0xbe73, 0x6ded, 0xbe6e, 0x6dea, 0xbe68, 0x6de7, 0xbe63,
+  0x6de3, 0xbe5e, 0x6de0, 0xbe58, 0x6ddd, 0xbe53, 0x6dda, 0xbe4d,
+  0x6dd6, 0xbe48, 0x6dd3, 0xbe43, 0x6dd0, 0xbe3d, 0x6dcd, 0xbe38,
+  0x6dca, 0xbe32, 0x6dc6, 0xbe2d, 0x6dc3, 0xbe28, 0x6dc0, 0xbe22,
+  0x6dbd, 0xbe1d, 0x6db9, 0xbe17, 0x6db6, 0xbe12, 0x6db3, 0xbe0d,
+  0x6db0, 0xbe07, 0x6dac, 0xbe02, 0x6da9, 0xbdfd, 0x6da6, 0xbdf7,
+  0x6da3, 0xbdf2, 0x6d9f, 0xbdec, 0x6d9c, 0xbde7, 0x6d99, 0xbde2,
+  0x6d96, 0xbddc, 0x6d92, 0xbdd7, 0x6d8f, 0xbdd1, 0x6d8c, 0xbdcc,
+  0x6d89, 0xbdc7, 0x6d85, 0xbdc1, 0x6d82, 0xbdbc, 0x6d7f, 0xbdb7,
+  0x6d7c, 0xbdb1, 0x6d78, 0xbdac, 0x6d75, 0xbda6, 0x6d72, 0xbda1,
+  0x6d6f, 0xbd9c, 0x6d6b, 0xbd96, 0x6d68, 0xbd91, 0x6d65, 0xbd8c,
+  0x6d62, 0xbd86, 0x6d5e, 0xbd81, 0x6d5b, 0xbd7c, 0x6d58, 0xbd76,
+  0x6d55, 0xbd71, 0x6d51, 0xbd6b, 0x6d4e, 0xbd66, 0x6d4b, 0xbd61,
+  0x6d48, 0xbd5b, 0x6d44, 0xbd56, 0x6d41, 0xbd51, 0x6d3e, 0xbd4b,
+  0x6d3a, 0xbd46, 0x6d37, 0xbd40, 0x6d34, 0xbd3b, 0x6d31, 0xbd36,
+  0x6d2d, 0xbd30, 0x6d2a, 0xbd2b, 0x6d27, 0xbd26, 0x6d23, 0xbd20,
+  0x6d20, 0xbd1b, 0x6d1d, 0xbd16, 0x6d1a, 0xbd10, 0x6d16, 0xbd0b,
+  0x6d13, 0xbd06, 0x6d10, 0xbd00, 0x6d0c, 0xbcfb, 0x6d09, 0xbcf5,
+  0x6d06, 0xbcf0, 0x6d03, 0xbceb, 0x6cff, 0xbce5, 0x6cfc, 0xbce0,
+  0x6cf9, 0xbcdb, 0x6cf5, 0xbcd5, 0x6cf2, 0xbcd0, 0x6cef, 0xbccb,
+  0x6cec, 0xbcc5, 0x6ce8, 0xbcc0, 0x6ce5, 0xbcbb, 0x6ce2, 0xbcb5,
+  0x6cde, 0xbcb0, 0x6cdb, 0xbcab, 0x6cd8, 0xbca5, 0x6cd4, 0xbca0,
+  0x6cd1, 0xbc9b, 0x6cce, 0xbc95, 0x6cca, 0xbc90, 0x6cc7, 0xbc8b,
+  0x6cc4, 0xbc85, 0x6cc1, 0xbc80, 0x6cbd, 0xbc7b, 0x6cba, 0xbc75,
+  0x6cb7, 0xbc70, 0x6cb3, 0xbc6b, 0x6cb0, 0xbc65, 0x6cad, 0xbc60,
+  0x6ca9, 0xbc5b, 0x6ca6, 0xbc55, 0x6ca3, 0xbc50, 0x6c9f, 0xbc4b,
+  0x6c9c, 0xbc45, 0x6c99, 0xbc40, 0x6c95, 0xbc3b, 0x6c92, 0xbc35,
+  0x6c8f, 0xbc30, 0x6c8b, 0xbc2b, 0x6c88, 0xbc25, 0x6c85, 0xbc20,
+  0x6c81, 0xbc1b, 0x6c7e, 0xbc15, 0x6c7b, 0xbc10, 0x6c77, 0xbc0b,
+  0x6c74, 0xbc05, 0x6c71, 0xbc00, 0x6c6d, 0xbbfb, 0x6c6a, 0xbbf5,
+  0x6c67, 0xbbf0, 0x6c63, 0xbbeb, 0x6c60, 0xbbe5, 0x6c5d, 0xbbe0,
+  0x6c59, 0xbbdb, 0x6c56, 0xbbd5, 0x6c53, 0xbbd0, 0x6c4f, 0xbbcb,
+  0x6c4c, 0xbbc5, 0x6c49, 0xbbc0, 0x6c45, 0xbbbb, 0x6c42, 0xbbb5,
+  0x6c3f, 0xbbb0, 0x6c3b, 0xbbab, 0x6c38, 0xbba6, 0x6c34, 0xbba0,
+  0x6c31, 0xbb9b, 0x6c2e, 0xbb96, 0x6c2a, 0xbb90, 0x6c27, 0xbb8b,
+  0x6c24, 0xbb86, 0x6c20, 0xbb80, 0x6c1d, 0xbb7b, 0x6c1a, 0xbb76,
+  0x6c16, 0xbb70, 0x6c13, 0xbb6b, 0x6c0f, 0xbb66, 0x6c0c, 0xbb61,
+  0x6c09, 0xbb5b, 0x6c05, 0xbb56, 0x6c02, 0xbb51, 0x6bff, 0xbb4b,
+  0x6bfb, 0xbb46, 0x6bf8, 0xbb41, 0x6bf5, 0xbb3b, 0x6bf1, 0xbb36,
+  0x6bee, 0xbb31, 0x6bea, 0xbb2c, 0x6be7, 0xbb26, 0x6be4, 0xbb21,
+  0x6be0, 0xbb1c, 0x6bdd, 0xbb16, 0x6bd9, 0xbb11, 0x6bd6, 0xbb0c,
+  0x6bd3, 0xbb06, 0x6bcf, 0xbb01, 0x6bcc, 0xbafc, 0x6bc9, 0xbaf7,
+  0x6bc5, 0xbaf1, 0x6bc2, 0xbaec, 0x6bbe, 0xbae7, 0x6bbb, 0xbae1,
+  0x6bb8, 0xbadc, 0x6bb4, 0xbad7, 0x6bb1, 0xbad2, 0x6bad, 0xbacc,
+  0x6baa, 0xbac7, 0x6ba7, 0xbac2, 0x6ba3, 0xbabc, 0x6ba0, 0xbab7,
+  0x6b9c, 0xbab2, 0x6b99, 0xbaad, 0x6b96, 0xbaa7, 0x6b92, 0xbaa2,
+  0x6b8f, 0xba9d, 0x6b8b, 0xba97, 0x6b88, 0xba92, 0x6b85, 0xba8d,
+  0x6b81, 0xba88, 0x6b7e, 0xba82, 0x6b7a, 0xba7d, 0x6b77, 0xba78,
+  0x6b73, 0xba73, 0x6b70, 0xba6d, 0x6b6d, 0xba68, 0x6b69, 0xba63,
+  0x6b66, 0xba5d, 0x6b62, 0xba58, 0x6b5f, 0xba53, 0x6b5c, 0xba4e,
+  0x6b58, 0xba48, 0x6b55, 0xba43, 0x6b51, 0xba3e, 0x6b4e, 0xba39,
+  0x6b4a, 0xba33, 0x6b47, 0xba2e, 0x6b44, 0xba29, 0x6b40, 0xba23,
+  0x6b3d, 0xba1e, 0x6b39, 0xba19, 0x6b36, 0xba14, 0x6b32, 0xba0e,
+  0x6b2f, 0xba09, 0x6b2c, 0xba04, 0x6b28, 0xb9ff, 0x6b25, 0xb9f9,
+  0x6b21, 0xb9f4, 0x6b1e, 0xb9ef, 0x6b1a, 0xb9ea, 0x6b17, 0xb9e4,
+  0x6b13, 0xb9df, 0x6b10, 0xb9da, 0x6b0d, 0xb9d5, 0x6b09, 0xb9cf,
+  0x6b06, 0xb9ca, 0x6b02, 0xb9c5, 0x6aff, 0xb9c0, 0x6afb, 0xb9ba,
+  0x6af8, 0xb9b5, 0x6af4, 0xb9b0, 0x6af1, 0xb9ab, 0x6aee, 0xb9a5,
+  0x6aea, 0xb9a0, 0x6ae7, 0xb99b, 0x6ae3, 0xb996, 0x6ae0, 0xb990,
+  0x6adc, 0xb98b, 0x6ad9, 0xb986, 0x6ad5, 0xb981, 0x6ad2, 0xb97b,
+  0x6ace, 0xb976, 0x6acb, 0xb971, 0x6ac8, 0xb96c, 0x6ac4, 0xb966,
+  0x6ac1, 0xb961, 0x6abd, 0xb95c, 0x6aba, 0xb957, 0x6ab6, 0xb951,
+  0x6ab3, 0xb94c, 0x6aaf, 0xb947, 0x6aac, 0xb942, 0x6aa8, 0xb93c,
+  0x6aa5, 0xb937, 0x6aa1, 0xb932, 0x6a9e, 0xb92d, 0x6a9a, 0xb928,
+  0x6a97, 0xb922, 0x6a93, 0xb91d, 0x6a90, 0xb918, 0x6a8c, 0xb913,
+  0x6a89, 0xb90d, 0x6a86, 0xb908, 0x6a82, 0xb903, 0x6a7f, 0xb8fe,
+  0x6a7b, 0xb8f8, 0x6a78, 0xb8f3, 0x6a74, 0xb8ee, 0x6a71, 0xb8e9,
+  0x6a6d, 0xb8e4, 0x6a6a, 0xb8de, 0x6a66, 0xb8d9, 0x6a63, 0xb8d4,
+  0x6a5f, 0xb8cf, 0x6a5c, 0xb8c9, 0x6a58, 0xb8c4, 0x6a55, 0xb8bf,
+  0x6a51, 0xb8ba, 0x6a4e, 0xb8b5, 0x6a4a, 0xb8af, 0x6a47, 0xb8aa,
+  0x6a43, 0xb8a5, 0x6a40, 0xb8a0, 0x6a3c, 0xb89b, 0x6a39, 0xb895,
+  0x6a35, 0xb890, 0x6a32, 0xb88b, 0x6a2e, 0xb886, 0x6a2b, 0xb880,
+  0x6a27, 0xb87b, 0x6a24, 0xb876, 0x6a20, 0xb871, 0x6a1d, 0xb86c,
+  0x6a19, 0xb866, 0x6a16, 0xb861, 0x6a12, 0xb85c, 0x6a0e, 0xb857,
+  0x6a0b, 0xb852, 0x6a07, 0xb84c, 0x6a04, 0xb847, 0x6a00, 0xb842,
+  0x69fd, 0xb83d, 0x69f9, 0xb838, 0x69f6, 0xb832, 0x69f2, 0xb82d,
+  0x69ef, 0xb828, 0x69eb, 0xb823, 0x69e8, 0xb81e, 0x69e4, 0xb818,
+  0x69e1, 0xb813, 0x69dd, 0xb80e, 0x69da, 0xb809, 0x69d6, 0xb804,
+  0x69d3, 0xb7fe, 0x69cf, 0xb7f9, 0x69cb, 0xb7f4, 0x69c8, 0xb7ef,
+  0x69c4, 0xb7ea, 0x69c1, 0xb7e4, 0x69bd, 0xb7df, 0x69ba, 0xb7da,
+  0x69b6, 0xb7d5, 0x69b3, 0xb7d0, 0x69af, 0xb7ca, 0x69ac, 0xb7c5,
+  0x69a8, 0xb7c0, 0x69a5, 0xb7bb, 0x69a1, 0xb7b6, 0x699d, 0xb7b1,
+  0x699a, 0xb7ab, 0x6996, 0xb7a6, 0x6993, 0xb7a1, 0x698f, 0xb79c,
+  0x698c, 0xb797, 0x6988, 0xb791, 0x6985, 0xb78c, 0x6981, 0xb787,
+  0x697d, 0xb782, 0x697a, 0xb77d, 0x6976, 0xb778, 0x6973, 0xb772,
+  0x696f, 0xb76d, 0x696c, 0xb768, 0x6968, 0xb763, 0x6964, 0xb75e,
+  0x6961, 0xb758, 0x695d, 0xb753, 0x695a, 0xb74e, 0x6956, 0xb749,
+  0x6953, 0xb744, 0x694f, 0xb73f, 0x694b, 0xb739, 0x6948, 0xb734,
+  0x6944, 0xb72f, 0x6941, 0xb72a, 0x693d, 0xb725, 0x693a, 0xb720,
+  0x6936, 0xb71a, 0x6932, 0xb715, 0x692f, 0xb710, 0x692b, 0xb70b,
+  0x6928, 0xb706, 0x6924, 0xb701, 0x6921, 0xb6fb, 0x691d, 0xb6f6,
+  0x6919, 0xb6f1, 0x6916, 0xb6ec, 0x6912, 0xb6e7, 0x690f, 0xb6e2,
+  0x690b, 0xb6dd, 0x6907, 0xb6d7, 0x6904, 0xb6d2, 0x6900, 0xb6cd,
+  0x68fd, 0xb6c8, 0x68f9, 0xb6c3, 0x68f5, 0xb6be, 0x68f2, 0xb6b8,
+  0x68ee, 0xb6b3, 0x68eb, 0xb6ae, 0x68e7, 0xb6a9, 0x68e3, 0xb6a4,
+  0x68e0, 0xb69f, 0x68dc, 0xb69a, 0x68d9, 0xb694, 0x68d5, 0xb68f,
+  0x68d1, 0xb68a, 0x68ce, 0xb685, 0x68ca, 0xb680, 0x68c7, 0xb67b,
+  0x68c3, 0xb676, 0x68bf, 0xb670, 0x68bc, 0xb66b, 0x68b8, 0xb666,
+  0x68b5, 0xb661, 0x68b1, 0xb65c, 0x68ad, 0xb657, 0x68aa, 0xb652,
+  0x68a6, 0xb64c, 0x68a3, 0xb647, 0x689f, 0xb642, 0x689b, 0xb63d,
+  0x6898, 0xb638, 0x6894, 0xb633, 0x6890, 0xb62e, 0x688d, 0xb628,
+  0x6889, 0xb623, 0x6886, 0xb61e, 0x6882, 0xb619, 0x687e, 0xb614,
+  0x687b, 0xb60f, 0x6877, 0xb60a, 0x6873, 0xb605, 0x6870, 0xb5ff,
+  0x686c, 0xb5fa, 0x6868, 0xb5f5, 0x6865, 0xb5f0, 0x6861, 0xb5eb,
+  0x685e, 0xb5e6, 0x685a, 0xb5e1, 0x6856, 0xb5dc, 0x6853, 0xb5d6,
+  0x684f, 0xb5d1, 0x684b, 0xb5cc, 0x6848, 0xb5c7, 0x6844, 0xb5c2,
+  0x6840, 0xb5bd, 0x683d, 0xb5b8, 0x6839, 0xb5b3, 0x6835, 0xb5ae,
+  0x6832, 0xb5a8, 0x682e, 0xb5a3, 0x682b, 0xb59e, 0x6827, 0xb599,
+  0x6823, 0xb594, 0x6820, 0xb58f, 0x681c, 0xb58a, 0x6818, 0xb585,
+  0x6815, 0xb57f, 0x6811, 0xb57a, 0x680d, 0xb575, 0x680a, 0xb570,
+  0x6806, 0xb56b, 0x6802, 0xb566, 0x67ff, 0xb561, 0x67fb, 0xb55c,
+  0x67f7, 0xb557, 0x67f4, 0xb552, 0x67f0, 0xb54c, 0x67ec, 0xb547,
+  0x67e9, 0xb542, 0x67e5, 0xb53d, 0x67e1, 0xb538, 0x67de, 0xb533,
+  0x67da, 0xb52e, 0x67d6, 0xb529, 0x67d3, 0xb524, 0x67cf, 0xb51f,
+  0x67cb, 0xb519, 0x67c8, 0xb514, 0x67c4, 0xb50f, 0x67c0, 0xb50a,
+  0x67bd, 0xb505, 0x67b9, 0xb500, 0x67b5, 0xb4fb, 0x67b2, 0xb4f6,
+  0x67ae, 0xb4f1, 0x67aa, 0xb4ec, 0x67a6, 0xb4e7, 0x67a3, 0xb4e1,
+  0x679f, 0xb4dc, 0x679b, 0xb4d7, 0x6798, 0xb4d2, 0x6794, 0xb4cd,
+  0x6790, 0xb4c8, 0x678d, 0xb4c3, 0x6789, 0xb4be, 0x6785, 0xb4b9,
+  0x6782, 0xb4b4, 0x677e, 0xb4af, 0x677a, 0xb4aa, 0x6776, 0xb4a4,
+  0x6773, 0xb49f, 0x676f, 0xb49a, 0x676b, 0xb495, 0x6768, 0xb490,
+  0x6764, 0xb48b, 0x6760, 0xb486, 0x675d, 0xb481, 0x6759, 0xb47c,
+  0x6755, 0xb477, 0x6751, 0xb472, 0x674e, 0xb46d, 0x674a, 0xb468,
+  0x6746, 0xb462, 0x6743, 0xb45d, 0x673f, 0xb458, 0x673b, 0xb453,
+  0x6737, 0xb44e, 0x6734, 0xb449, 0x6730, 0xb444, 0x672c, 0xb43f,
+  0x6729, 0xb43a, 0x6725, 0xb435, 0x6721, 0xb430, 0x671d, 0xb42b,
+  0x671a, 0xb426, 0x6716, 0xb421, 0x6712, 0xb41c, 0x670e, 0xb417,
+  0x670b, 0xb411, 0x6707, 0xb40c, 0x6703, 0xb407, 0x6700, 0xb402,
+  0x66fc, 0xb3fd, 0x66f8, 0xb3f8, 0x66f4, 0xb3f3, 0x66f1, 0xb3ee,
+  0x66ed, 0xb3e9, 0x66e9, 0xb3e4, 0x66e5, 0xb3df, 0x66e2, 0xb3da,
+  0x66de, 0xb3d5, 0x66da, 0xb3d0, 0x66d6, 0xb3cb, 0x66d3, 0xb3c6,
+  0x66cf, 0xb3c1, 0x66cb, 0xb3bc, 0x66c8, 0xb3b7, 0x66c4, 0xb3b1,
+  0x66c0, 0xb3ac, 0x66bc, 0xb3a7, 0x66b9, 0xb3a2, 0x66b5, 0xb39d,
+  0x66b1, 0xb398, 0x66ad, 0xb393, 0x66aa, 0xb38e, 0x66a6, 0xb389,
+  0x66a2, 0xb384, 0x669e, 0xb37f, 0x669b, 0xb37a, 0x6697, 0xb375,
+  0x6693, 0xb370, 0x668f, 0xb36b, 0x668b, 0xb366, 0x6688, 0xb361,
+  0x6684, 0xb35c, 0x6680, 0xb357, 0x667c, 0xb352, 0x6679, 0xb34d,
+  0x6675, 0xb348, 0x6671, 0xb343, 0x666d, 0xb33e, 0x666a, 0xb339,
+  0x6666, 0xb334, 0x6662, 0xb32f, 0x665e, 0xb32a, 0x665b, 0xb325,
+  0x6657, 0xb31f, 0x6653, 0xb31a, 0x664f, 0xb315, 0x664b, 0xb310,
+  0x6648, 0xb30b, 0x6644, 0xb306, 0x6640, 0xb301, 0x663c, 0xb2fc,
+  0x6639, 0xb2f7, 0x6635, 0xb2f2, 0x6631, 0xb2ed, 0x662d, 0xb2e8,
+  0x6629, 0xb2e3, 0x6626, 0xb2de, 0x6622, 0xb2d9, 0x661e, 0xb2d4,
+  0x661a, 0xb2cf, 0x6616, 0xb2ca, 0x6613, 0xb2c5, 0x660f, 0xb2c0,
+  0x660b, 0xb2bb, 0x6607, 0xb2b6, 0x6603, 0xb2b1, 0x6600, 0xb2ac,
+  0x65fc, 0xb2a7, 0x65f8, 0xb2a2, 0x65f4, 0xb29d, 0x65f0, 0xb298,
+  0x65ed, 0xb293, 0x65e9, 0xb28e, 0x65e5, 0xb289, 0x65e1, 0xb284,
+  0x65dd, 0xb27f, 0x65da, 0xb27a, 0x65d6, 0xb275, 0x65d2, 0xb270,
+  0x65ce, 0xb26b, 0x65ca, 0xb266, 0x65c7, 0xb261, 0x65c3, 0xb25c,
+  0x65bf, 0xb257, 0x65bb, 0xb252, 0x65b7, 0xb24d, 0x65b4, 0xb248,
+  0x65b0, 0xb243, 0x65ac, 0xb23e, 0x65a8, 0xb239, 0x65a4, 0xb234,
+  0x65a0, 0xb22f, 0x659d, 0xb22a, 0x6599, 0xb225, 0x6595, 0xb220,
+  0x6591, 0xb21b, 0x658d, 0xb216, 0x658a, 0xb211, 0x6586, 0xb20c,
+  0x6582, 0xb207, 0x657e, 0xb202, 0x657a, 0xb1fd, 0x6576, 0xb1f8,
+  0x6573, 0xb1f3, 0x656f, 0xb1ee, 0x656b, 0xb1e9, 0x6567, 0xb1e4,
+  0x6563, 0xb1df, 0x655f, 0xb1da, 0x655c, 0xb1d6, 0x6558, 0xb1d1,
+  0x6554, 0xb1cc, 0x6550, 0xb1c7, 0x654c, 0xb1c2, 0x6548, 0xb1bd,
+  0x6545, 0xb1b8, 0x6541, 0xb1b3, 0x653d, 0xb1ae, 0x6539, 0xb1a9,
+  0x6535, 0xb1a4, 0x6531, 0xb19f, 0x652d, 0xb19a, 0x652a, 0xb195,
+  0x6526, 0xb190, 0x6522, 0xb18b, 0x651e, 0xb186, 0x651a, 0xb181,
+  0x6516, 0xb17c, 0x6513, 0xb177, 0x650f, 0xb172, 0x650b, 0xb16d,
+  0x6507, 0xb168, 0x6503, 0xb163, 0x64ff, 0xb15e, 0x64fb, 0xb159,
+  0x64f7, 0xb154, 0x64f4, 0xb14f, 0x64f0, 0xb14a, 0x64ec, 0xb146,
+  0x64e8, 0xb141, 0x64e4, 0xb13c, 0x64e0, 0xb137, 0x64dc, 0xb132,
+  0x64d9, 0xb12d, 0x64d5, 0xb128, 0x64d1, 0xb123, 0x64cd, 0xb11e,
+  0x64c9, 0xb119, 0x64c5, 0xb114, 0x64c1, 0xb10f, 0x64bd, 0xb10a,
+  0x64ba, 0xb105, 0x64b6, 0xb100, 0x64b2, 0xb0fb, 0x64ae, 0xb0f6,
+  0x64aa, 0xb0f1, 0x64a6, 0xb0ec, 0x64a2, 0xb0e8, 0x649e, 0xb0e3,
+  0x649b, 0xb0de, 0x6497, 0xb0d9, 0x6493, 0xb0d4, 0x648f, 0xb0cf,
+  0x648b, 0xb0ca, 0x6487, 0xb0c5, 0x6483, 0xb0c0, 0x647f, 0xb0bb,
+  0x647b, 0xb0b6, 0x6478, 0xb0b1, 0x6474, 0xb0ac, 0x6470, 0xb0a7,
+  0x646c, 0xb0a2, 0x6468, 0xb09e, 0x6464, 0xb099, 0x6460, 0xb094,
+  0x645c, 0xb08f, 0x6458, 0xb08a, 0x6454, 0xb085, 0x6451, 0xb080,
+  0x644d, 0xb07b, 0x6449, 0xb076, 0x6445, 0xb071, 0x6441, 0xb06c,
+  0x643d, 0xb067, 0x6439, 0xb062, 0x6435, 0xb05e, 0x6431, 0xb059,
+  0x642d, 0xb054, 0x6429, 0xb04f, 0x6426, 0xb04a, 0x6422, 0xb045,
+  0x641e, 0xb040, 0x641a, 0xb03b, 0x6416, 0xb036, 0x6412, 0xb031,
+  0x640e, 0xb02c, 0x640a, 0xb027, 0x6406, 0xb023, 0x6402, 0xb01e,
+  0x63fe, 0xb019, 0x63fa, 0xb014, 0x63f7, 0xb00f, 0x63f3, 0xb00a,
+  0x63ef, 0xb005, 0x63eb, 0xb000, 0x63e7, 0xaffb, 0x63e3, 0xaff6,
+  0x63df, 0xaff1, 0x63db, 0xafed, 0x63d7, 0xafe8, 0x63d3, 0xafe3,
+  0x63cf, 0xafde, 0x63cb, 0xafd9, 0x63c7, 0xafd4, 0x63c3, 0xafcf,
+  0x63c0, 0xafca, 0x63bc, 0xafc5, 0x63b8, 0xafc1, 0x63b4, 0xafbc,
+  0x63b0, 0xafb7, 0x63ac, 0xafb2, 0x63a8, 0xafad, 0x63a4, 0xafa8,
+  0x63a0, 0xafa3, 0x639c, 0xaf9e, 0x6398, 0xaf99, 0x6394, 0xaf94,
+  0x6390, 0xaf90, 0x638c, 0xaf8b, 0x6388, 0xaf86, 0x6384, 0xaf81,
+  0x6380, 0xaf7c, 0x637c, 0xaf77, 0x6378, 0xaf72, 0x6375, 0xaf6d,
+  0x6371, 0xaf69, 0x636d, 0xaf64, 0x6369, 0xaf5f, 0x6365, 0xaf5a,
+  0x6361, 0xaf55, 0x635d, 0xaf50, 0x6359, 0xaf4b, 0x6355, 0xaf46,
+  0x6351, 0xaf41, 0x634d, 0xaf3d, 0x6349, 0xaf38, 0x6345, 0xaf33,
+  0x6341, 0xaf2e, 0x633d, 0xaf29, 0x6339, 0xaf24, 0x6335, 0xaf1f,
+  0x6331, 0xaf1b, 0x632d, 0xaf16, 0x6329, 0xaf11, 0x6325, 0xaf0c,
+  0x6321, 0xaf07, 0x631d, 0xaf02, 0x6319, 0xaefd, 0x6315, 0xaef8,
+  0x6311, 0xaef4, 0x630d, 0xaeef, 0x6309, 0xaeea, 0x6305, 0xaee5,
+  0x6301, 0xaee0, 0x62fd, 0xaedb, 0x62f9, 0xaed6, 0x62f5, 0xaed2,
+  0x62f2, 0xaecd, 0x62ee, 0xaec8, 0x62ea, 0xaec3, 0x62e6, 0xaebe,
+  0x62e2, 0xaeb9, 0x62de, 0xaeb4, 0x62da, 0xaeb0, 0x62d6, 0xaeab,
+  0x62d2, 0xaea6, 0x62ce, 0xaea1, 0x62ca, 0xae9c, 0x62c6, 0xae97,
+  0x62c2, 0xae92, 0x62be, 0xae8e, 0x62ba, 0xae89, 0x62b6, 0xae84,
+  0x62b2, 0xae7f, 0x62ae, 0xae7a, 0x62aa, 0xae75, 0x62a6, 0xae71,
+  0x62a2, 0xae6c, 0x629e, 0xae67, 0x629a, 0xae62, 0x6296, 0xae5d,
+  0x6292, 0xae58, 0x628e, 0xae54, 0x628a, 0xae4f, 0x6286, 0xae4a,
+  0x6282, 0xae45, 0x627e, 0xae40, 0x627a, 0xae3b, 0x6275, 0xae37,
+  0x6271, 0xae32, 0x626d, 0xae2d, 0x6269, 0xae28, 0x6265, 0xae23,
+  0x6261, 0xae1e, 0x625d, 0xae1a, 0x6259, 0xae15, 0x6255, 0xae10,
+  0x6251, 0xae0b, 0x624d, 0xae06, 0x6249, 0xae01, 0x6245, 0xadfd,
+  0x6241, 0xadf8, 0x623d, 0xadf3, 0x6239, 0xadee, 0x6235, 0xade9,
+  0x6231, 0xade4, 0x622d, 0xade0, 0x6229, 0xaddb, 0x6225, 0xadd6,
+  0x6221, 0xadd1, 0x621d, 0xadcc, 0x6219, 0xadc8, 0x6215, 0xadc3,
+  0x6211, 0xadbe, 0x620d, 0xadb9, 0x6209, 0xadb4, 0x6205, 0xadaf,
+  0x6201, 0xadab, 0x61fd, 0xada6, 0x61f9, 0xada1, 0x61f5, 0xad9c,
+  0x61f1, 0xad97, 0x61ec, 0xad93, 0x61e8, 0xad8e, 0x61e4, 0xad89,
+  0x61e0, 0xad84, 0x61dc, 0xad7f, 0x61d8, 0xad7b, 0x61d4, 0xad76,
+  0x61d0, 0xad71, 0x61cc, 0xad6c, 0x61c8, 0xad67, 0x61c4, 0xad63,
+  0x61c0, 0xad5e, 0x61bc, 0xad59, 0x61b8, 0xad54, 0x61b4, 0xad4f,
+  0x61b0, 0xad4b, 0x61ac, 0xad46, 0x61a8, 0xad41, 0x61a3, 0xad3c,
+  0x619f, 0xad37, 0x619b, 0xad33, 0x6197, 0xad2e, 0x6193, 0xad29,
+  0x618f, 0xad24, 0x618b, 0xad1f, 0x6187, 0xad1b, 0x6183, 0xad16,
+  0x617f, 0xad11, 0x617b, 0xad0c, 0x6177, 0xad08, 0x6173, 0xad03,
+  0x616f, 0xacfe, 0x616b, 0xacf9, 0x6166, 0xacf4, 0x6162, 0xacf0,
+  0x615e, 0xaceb, 0x615a, 0xace6, 0x6156, 0xace1, 0x6152, 0xacdd,
+  0x614e, 0xacd8, 0x614a, 0xacd3, 0x6146, 0xacce, 0x6142, 0xacc9,
+  0x613e, 0xacc5, 0x613a, 0xacc0, 0x6135, 0xacbb, 0x6131, 0xacb6,
+  0x612d, 0xacb2, 0x6129, 0xacad, 0x6125, 0xaca8, 0x6121, 0xaca3,
+  0x611d, 0xac9e, 0x6119, 0xac9a, 0x6115, 0xac95, 0x6111, 0xac90,
+  0x610d, 0xac8b, 0x6108, 0xac87, 0x6104, 0xac82, 0x6100, 0xac7d,
+  0x60fc, 0xac78, 0x60f8, 0xac74, 0x60f4, 0xac6f, 0x60f0, 0xac6a,
+  0x60ec, 0xac65, 0x60e8, 0xac61, 0x60e4, 0xac5c, 0x60df, 0xac57,
+  0x60db, 0xac52, 0x60d7, 0xac4e, 0x60d3, 0xac49, 0x60cf, 0xac44,
+  0x60cb, 0xac3f, 0x60c7, 0xac3b, 0x60c3, 0xac36, 0x60bf, 0xac31,
+  0x60ba, 0xac2c, 0x60b6, 0xac28, 0x60b2, 0xac23, 0x60ae, 0xac1e,
+  0x60aa, 0xac19, 0x60a6, 0xac15, 0x60a2, 0xac10, 0x609e, 0xac0b,
+  0x6099, 0xac06, 0x6095, 0xac02, 0x6091, 0xabfd, 0x608d, 0xabf8,
+  0x6089, 0xabf3, 0x6085, 0xabef, 0x6081, 0xabea, 0x607d, 0xabe5,
+  0x6078, 0xabe0, 0x6074, 0xabdc, 0x6070, 0xabd7, 0x606c, 0xabd2,
+  0x6068, 0xabcd, 0x6064, 0xabc9, 0x6060, 0xabc4, 0x605c, 0xabbf,
+  0x6057, 0xabbb, 0x6053, 0xabb6, 0x604f, 0xabb1, 0x604b, 0xabac,
+  0x6047, 0xaba8, 0x6043, 0xaba3, 0x603f, 0xab9e, 0x603a, 0xab99,
+  0x6036, 0xab95, 0x6032, 0xab90, 0x602e, 0xab8b, 0x602a, 0xab87,
+  0x6026, 0xab82, 0x6022, 0xab7d, 0x601d, 0xab78, 0x6019, 0xab74,
+  0x6015, 0xab6f, 0x6011, 0xab6a, 0x600d, 0xab66, 0x6009, 0xab61,
+  0x6004, 0xab5c, 0x6000, 0xab57, 0x5ffc, 0xab53, 0x5ff8, 0xab4e,
+  0x5ff4, 0xab49, 0x5ff0, 0xab45, 0x5fec, 0xab40, 0x5fe7, 0xab3b,
+  0x5fe3, 0xab36, 0x5fdf, 0xab32, 0x5fdb, 0xab2d, 0x5fd7, 0xab28,
+  0x5fd3, 0xab24, 0x5fce, 0xab1f, 0x5fca, 0xab1a, 0x5fc6, 0xab16,
+  0x5fc2, 0xab11, 0x5fbe, 0xab0c, 0x5fba, 0xab07, 0x5fb5, 0xab03,
+  0x5fb1, 0xaafe, 0x5fad, 0xaaf9, 0x5fa9, 0xaaf5, 0x5fa5, 0xaaf0,
+  0x5fa0, 0xaaeb, 0x5f9c, 0xaae7, 0x5f98, 0xaae2, 0x5f94, 0xaadd,
+  0x5f90, 0xaad8, 0x5f8c, 0xaad4, 0x5f87, 0xaacf, 0x5f83, 0xaaca,
+  0x5f7f, 0xaac6, 0x5f7b, 0xaac1, 0x5f77, 0xaabc, 0x5f72, 0xaab8,
+  0x5f6e, 0xaab3, 0x5f6a, 0xaaae, 0x5f66, 0xaaaa, 0x5f62, 0xaaa5,
+  0x5f5e, 0xaaa0, 0x5f59, 0xaa9c, 0x5f55, 0xaa97, 0x5f51, 0xaa92,
+  0x5f4d, 0xaa8e, 0x5f49, 0xaa89, 0x5f44, 0xaa84, 0x5f40, 0xaa7f,
+  0x5f3c, 0xaa7b, 0x5f38, 0xaa76, 0x5f34, 0xaa71, 0x5f2f, 0xaa6d,
+  0x5f2b, 0xaa68, 0x5f27, 0xaa63, 0x5f23, 0xaa5f, 0x5f1f, 0xaa5a,
+  0x5f1a, 0xaa55, 0x5f16, 0xaa51, 0x5f12, 0xaa4c, 0x5f0e, 0xaa47,
+  0x5f0a, 0xaa43, 0x5f05, 0xaa3e, 0x5f01, 0xaa39, 0x5efd, 0xaa35,
+  0x5ef9, 0xaa30, 0x5ef5, 0xaa2b, 0x5ef0, 0xaa27, 0x5eec, 0xaa22,
+  0x5ee8, 0xaa1d, 0x5ee4, 0xaa19, 0x5edf, 0xaa14, 0x5edb, 0xaa10,
+  0x5ed7, 0xaa0b, 0x5ed3, 0xaa06, 0x5ecf, 0xaa02, 0x5eca, 0xa9fd,
+  0x5ec6, 0xa9f8, 0x5ec2, 0xa9f4, 0x5ebe, 0xa9ef, 0x5eb9, 0xa9ea,
+  0x5eb5, 0xa9e6, 0x5eb1, 0xa9e1, 0x5ead, 0xa9dc, 0x5ea9, 0xa9d8,
+  0x5ea4, 0xa9d3, 0x5ea0, 0xa9ce, 0x5e9c, 0xa9ca, 0x5e98, 0xa9c5,
+  0x5e93, 0xa9c0, 0x5e8f, 0xa9bc, 0x5e8b, 0xa9b7, 0x5e87, 0xa9b3,
+  0x5e82, 0xa9ae, 0x5e7e, 0xa9a9, 0x5e7a, 0xa9a5, 0x5e76, 0xa9a0,
+  0x5e71, 0xa99b, 0x5e6d, 0xa997, 0x5e69, 0xa992, 0x5e65, 0xa98d,
+  0x5e60, 0xa989, 0x5e5c, 0xa984, 0x5e58, 0xa980, 0x5e54, 0xa97b,
+  0x5e50, 0xa976, 0x5e4b, 0xa972, 0x5e47, 0xa96d, 0x5e43, 0xa968,
+  0x5e3f, 0xa964, 0x5e3a, 0xa95f, 0x5e36, 0xa95b, 0x5e32, 0xa956,
+  0x5e2d, 0xa951, 0x5e29, 0xa94d, 0x5e25, 0xa948, 0x5e21, 0xa943,
+  0x5e1c, 0xa93f, 0x5e18, 0xa93a, 0x5e14, 0xa936, 0x5e10, 0xa931,
+  0x5e0b, 0xa92c, 0x5e07, 0xa928, 0x5e03, 0xa923, 0x5dff, 0xa91e,
+  0x5dfa, 0xa91a, 0x5df6, 0xa915, 0x5df2, 0xa911, 0x5dee, 0xa90c,
+  0x5de9, 0xa907, 0x5de5, 0xa903, 0x5de1, 0xa8fe, 0x5ddc, 0xa8fa,
+  0x5dd8, 0xa8f5, 0x5dd4, 0xa8f0, 0x5dd0, 0xa8ec, 0x5dcb, 0xa8e7,
+  0x5dc7, 0xa8e3, 0x5dc3, 0xa8de, 0x5dbf, 0xa8d9, 0x5dba, 0xa8d5,
+  0x5db6, 0xa8d0, 0x5db2, 0xa8cc, 0x5dad, 0xa8c7, 0x5da9, 0xa8c2,
+  0x5da5, 0xa8be, 0x5da1, 0xa8b9, 0x5d9c, 0xa8b5, 0x5d98, 0xa8b0,
+  0x5d94, 0xa8ab, 0x5d8f, 0xa8a7, 0x5d8b, 0xa8a2, 0x5d87, 0xa89e,
+  0x5d83, 0xa899, 0x5d7e, 0xa894, 0x5d7a, 0xa890, 0x5d76, 0xa88b,
+  0x5d71, 0xa887, 0x5d6d, 0xa882, 0x5d69, 0xa87d, 0x5d65, 0xa879,
+  0x5d60, 0xa874, 0x5d5c, 0xa870, 0x5d58, 0xa86b, 0x5d53, 0xa867,
+  0x5d4f, 0xa862, 0x5d4b, 0xa85d, 0x5d46, 0xa859, 0x5d42, 0xa854,
+  0x5d3e, 0xa850, 0x5d3a, 0xa84b, 0x5d35, 0xa847, 0x5d31, 0xa842,
+  0x5d2d, 0xa83d, 0x5d28, 0xa839, 0x5d24, 0xa834, 0x5d20, 0xa830,
+  0x5d1b, 0xa82b, 0x5d17, 0xa827, 0x5d13, 0xa822, 0x5d0e, 0xa81d,
+  0x5d0a, 0xa819, 0x5d06, 0xa814, 0x5d01, 0xa810, 0x5cfd, 0xa80b,
+  0x5cf9, 0xa807, 0x5cf5, 0xa802, 0x5cf0, 0xa7fd, 0x5cec, 0xa7f9,
+  0x5ce8, 0xa7f4, 0x5ce3, 0xa7f0, 0x5cdf, 0xa7eb, 0x5cdb, 0xa7e7,
+  0x5cd6, 0xa7e2, 0x5cd2, 0xa7de, 0x5cce, 0xa7d9, 0x5cc9, 0xa7d4,
+  0x5cc5, 0xa7d0, 0x5cc1, 0xa7cb, 0x5cbc, 0xa7c7, 0x5cb8, 0xa7c2,
+  0x5cb4, 0xa7be, 0x5caf, 0xa7b9, 0x5cab, 0xa7b5, 0x5ca7, 0xa7b0,
+  0x5ca2, 0xa7ab, 0x5c9e, 0xa7a7, 0x5c9a, 0xa7a2, 0x5c95, 0xa79e,
+  0x5c91, 0xa799, 0x5c8d, 0xa795, 0x5c88, 0xa790, 0x5c84, 0xa78c,
+  0x5c80, 0xa787, 0x5c7b, 0xa783, 0x5c77, 0xa77e, 0x5c73, 0xa779,
+  0x5c6e, 0xa775, 0x5c6a, 0xa770, 0x5c66, 0xa76c, 0x5c61, 0xa767,
+  0x5c5d, 0xa763, 0x5c58, 0xa75e, 0x5c54, 0xa75a, 0x5c50, 0xa755,
+  0x5c4b, 0xa751, 0x5c47, 0xa74c, 0x5c43, 0xa748, 0x5c3e, 0xa743,
+  0x5c3a, 0xa73f, 0x5c36, 0xa73a, 0x5c31, 0xa735, 0x5c2d, 0xa731,
+  0x5c29, 0xa72c, 0x5c24, 0xa728, 0x5c20, 0xa723, 0x5c1b, 0xa71f,
+  0x5c17, 0xa71a, 0x5c13, 0xa716, 0x5c0e, 0xa711, 0x5c0a, 0xa70d,
+  0x5c06, 0xa708, 0x5c01, 0xa704, 0x5bfd, 0xa6ff, 0x5bf9, 0xa6fb,
+  0x5bf4, 0xa6f6, 0x5bf0, 0xa6f2, 0x5beb, 0xa6ed, 0x5be7, 0xa6e9,
+  0x5be3, 0xa6e4, 0x5bde, 0xa6e0, 0x5bda, 0xa6db, 0x5bd6, 0xa6d7,
+  0x5bd1, 0xa6d2, 0x5bcd, 0xa6ce, 0x5bc8, 0xa6c9, 0x5bc4, 0xa6c5,
+  0x5bc0, 0xa6c0, 0x5bbb, 0xa6bc, 0x5bb7, 0xa6b7, 0x5bb2, 0xa6b3,
+  0x5bae, 0xa6ae, 0x5baa, 0xa6aa, 0x5ba5, 0xa6a5, 0x5ba1, 0xa6a1,
+  0x5b9d, 0xa69c, 0x5b98, 0xa698, 0x5b94, 0xa693, 0x5b8f, 0xa68f,
+  0x5b8b, 0xa68a, 0x5b87, 0xa686, 0x5b82, 0xa681, 0x5b7e, 0xa67d,
+  0x5b79, 0xa678, 0x5b75, 0xa674, 0x5b71, 0xa66f, 0x5b6c, 0xa66b,
+  0x5b68, 0xa666, 0x5b63, 0xa662, 0x5b5f, 0xa65d, 0x5b5b, 0xa659,
+  0x5b56, 0xa654, 0x5b52, 0xa650, 0x5b4d, 0xa64b, 0x5b49, 0xa647,
+  0x5b45, 0xa642, 0x5b40, 0xa63e, 0x5b3c, 0xa639, 0x5b37, 0xa635,
+  0x5b33, 0xa630, 0x5b2f, 0xa62c, 0x5b2a, 0xa627, 0x5b26, 0xa623,
+  0x5b21, 0xa61f, 0x5b1d, 0xa61a, 0x5b19, 0xa616, 0x5b14, 0xa611,
+  0x5b10, 0xa60d, 0x5b0b, 0xa608, 0x5b07, 0xa604, 0x5b02, 0xa5ff,
+  0x5afe, 0xa5fb, 0x5afa, 0xa5f6, 0x5af5, 0xa5f2, 0x5af1, 0xa5ed,
+  0x5aec, 0xa5e9, 0x5ae8, 0xa5e4, 0x5ae4, 0xa5e0, 0x5adf, 0xa5dc,
+  0x5adb, 0xa5d7, 0x5ad6, 0xa5d3, 0x5ad2, 0xa5ce, 0x5acd, 0xa5ca,
+  0x5ac9, 0xa5c5, 0x5ac5, 0xa5c1, 0x5ac0, 0xa5bc, 0x5abc, 0xa5b8,
+  0x5ab7, 0xa5b3, 0x5ab3, 0xa5af, 0x5aae, 0xa5aa, 0x5aaa, 0xa5a6,
+  0x5aa5, 0xa5a2, 0x5aa1, 0xa59d, 0x5a9d, 0xa599, 0x5a98, 0xa594,
+  0x5a94, 0xa590, 0x5a8f, 0xa58b, 0x5a8b, 0xa587, 0x5a86, 0xa582,
+  0x5a82, 0xa57e, 0x5a7e, 0xa57a, 0x5a79, 0xa575, 0x5a75, 0xa571,
+  0x5a70, 0xa56c, 0x5a6c, 0xa568, 0x5a67, 0xa563, 0x5a63, 0xa55f,
+  0x5a5e, 0xa55b, 0x5a5a, 0xa556, 0x5a56, 0xa552, 0x5a51, 0xa54d,
+  0x5a4d, 0xa549, 0x5a48, 0xa544, 0x5a44, 0xa540, 0x5a3f, 0xa53b,
+  0x5a3b, 0xa537, 0x5a36, 0xa533, 0x5a32, 0xa52e, 0x5a2d, 0xa52a,
+  0x5a29, 0xa525, 0x5a24, 0xa521, 0x5a20, 0xa51c, 0x5a1c, 0xa518,
+  0x5a17, 0xa514, 0x5a13, 0xa50f, 0x5a0e, 0xa50b, 0x5a0a, 0xa506,
+  0x5a05, 0xa502, 0x5a01, 0xa4fe, 0x59fc, 0xa4f9, 0x59f8, 0xa4f5,
+  0x59f3, 0xa4f0, 0x59ef, 0xa4ec, 0x59ea, 0xa4e7, 0x59e6, 0xa4e3,
+  0x59e1, 0xa4df, 0x59dd, 0xa4da, 0x59d9, 0xa4d6, 0x59d4, 0xa4d1,
+  0x59d0, 0xa4cd, 0x59cb, 0xa4c9, 0x59c7, 0xa4c4, 0x59c2, 0xa4c0,
+  0x59be, 0xa4bb, 0x59b9, 0xa4b7, 0x59b5, 0xa4b3, 0x59b0, 0xa4ae,
+  0x59ac, 0xa4aa, 0x59a7, 0xa4a5, 0x59a3, 0xa4a1, 0x599e, 0xa49d,
+  0x599a, 0xa498, 0x5995, 0xa494, 0x5991, 0xa48f, 0x598c, 0xa48b,
+  0x5988, 0xa487, 0x5983, 0xa482, 0x597f, 0xa47e, 0x597a, 0xa479,
+  0x5976, 0xa475, 0x5971, 0xa471, 0x596d, 0xa46c, 0x5968, 0xa468,
+  0x5964, 0xa463, 0x595f, 0xa45f, 0x595b, 0xa45b, 0x5956, 0xa456,
+  0x5952, 0xa452, 0x594d, 0xa44e, 0x5949, 0xa449, 0x5944, 0xa445,
+  0x5940, 0xa440, 0x593b, 0xa43c, 0x5937, 0xa438, 0x5932, 0xa433,
+  0x592e, 0xa42f, 0x5929, 0xa42a, 0x5925, 0xa426, 0x5920, 0xa422,
+  0x591c, 0xa41d, 0x5917, 0xa419, 0x5913, 0xa415, 0x590e, 0xa410,
+  0x590a, 0xa40c, 0x5905, 0xa407, 0x5901, 0xa403, 0x58fc, 0xa3ff,
+  0x58f8, 0xa3fa, 0x58f3, 0xa3f6, 0x58ef, 0xa3f2, 0x58ea, 0xa3ed,
+  0x58e6, 0xa3e9, 0x58e1, 0xa3e5, 0x58dd, 0xa3e0, 0x58d8, 0xa3dc,
+  0x58d4, 0xa3d7, 0x58cf, 0xa3d3, 0x58cb, 0xa3cf, 0x58c6, 0xa3ca,
+  0x58c1, 0xa3c6, 0x58bd, 0xa3c2, 0x58b8, 0xa3bd, 0x58b4, 0xa3b9,
+  0x58af, 0xa3b5, 0x58ab, 0xa3b0, 0x58a6, 0xa3ac, 0x58a2, 0xa3a8,
+  0x589d, 0xa3a3, 0x5899, 0xa39f, 0x5894, 0xa39a, 0x5890, 0xa396,
+  0x588b, 0xa392, 0x5887, 0xa38d, 0x5882, 0xa389, 0x587d, 0xa385,
+  0x5879, 0xa380, 0x5874, 0xa37c, 0x5870, 0xa378, 0x586b, 0xa373,
+  0x5867, 0xa36f, 0x5862, 0xa36b, 0x585e, 0xa366, 0x5859, 0xa362,
+  0x5855, 0xa35e, 0x5850, 0xa359, 0x584b, 0xa355, 0x5847, 0xa351,
+  0x5842, 0xa34c, 0x583e, 0xa348, 0x5839, 0xa344, 0x5835, 0xa33f,
+  0x5830, 0xa33b, 0x582c, 0xa337, 0x5827, 0xa332, 0x5822, 0xa32e,
+  0x581e, 0xa32a, 0x5819, 0xa325, 0x5815, 0xa321, 0x5810, 0xa31d,
+  0x580c, 0xa318, 0x5807, 0xa314, 0x5803, 0xa310, 0x57fe, 0xa30b,
+  0x57f9, 0xa307, 0x57f5, 0xa303, 0x57f0, 0xa2ff, 0x57ec, 0xa2fa,
+  0x57e7, 0xa2f6, 0x57e3, 0xa2f2, 0x57de, 0xa2ed, 0x57d9, 0xa2e9,
+  0x57d5, 0xa2e5, 0x57d0, 0xa2e0, 0x57cc, 0xa2dc, 0x57c7, 0xa2d8,
+  0x57c3, 0xa2d3, 0x57be, 0xa2cf, 0x57b9, 0xa2cb, 0x57b5, 0xa2c6,
+  0x57b0, 0xa2c2, 0x57ac, 0xa2be, 0x57a7, 0xa2ba, 0x57a3, 0xa2b5,
+  0x579e, 0xa2b1, 0x5799, 0xa2ad, 0x5795, 0xa2a8, 0x5790, 0xa2a4,
+  0x578c, 0xa2a0, 0x5787, 0xa29b, 0x5783, 0xa297, 0x577e, 0xa293,
+  0x5779, 0xa28f, 0x5775, 0xa28a, 0x5770, 0xa286, 0x576c, 0xa282,
+  0x5767, 0xa27d, 0x5762, 0xa279, 0x575e, 0xa275, 0x5759, 0xa271,
+  0x5755, 0xa26c, 0x5750, 0xa268, 0x574b, 0xa264, 0x5747, 0xa25f,
+  0x5742, 0xa25b, 0x573e, 0xa257, 0x5739, 0xa253, 0x5734, 0xa24e,
+  0x5730, 0xa24a, 0x572b, 0xa246, 0x5727, 0xa241, 0x5722, 0xa23d,
+  0x571d, 0xa239, 0x5719, 0xa235, 0x5714, 0xa230, 0x5710, 0xa22c,
+  0x570b, 0xa228, 0x5706, 0xa224, 0x5702, 0xa21f, 0x56fd, 0xa21b,
+  0x56f9, 0xa217, 0x56f4, 0xa212, 0x56ef, 0xa20e, 0x56eb, 0xa20a,
+  0x56e6, 0xa206, 0x56e2, 0xa201, 0x56dd, 0xa1fd, 0x56d8, 0xa1f9,
+  0x56d4, 0xa1f5, 0x56cf, 0xa1f0, 0x56ca, 0xa1ec, 0x56c6, 0xa1e8,
+  0x56c1, 0xa1e4, 0x56bd, 0xa1df, 0x56b8, 0xa1db, 0x56b3, 0xa1d7,
+  0x56af, 0xa1d3, 0x56aa, 0xa1ce, 0x56a5, 0xa1ca, 0x56a1, 0xa1c6,
+  0x569c, 0xa1c1, 0x5698, 0xa1bd, 0x5693, 0xa1b9, 0x568e, 0xa1b5,
+  0x568a, 0xa1b0, 0x5685, 0xa1ac, 0x5680, 0xa1a8, 0x567c, 0xa1a4,
+  0x5677, 0xa1a0, 0x5673, 0xa19b, 0x566e, 0xa197, 0x5669, 0xa193,
+  0x5665, 0xa18f, 0x5660, 0xa18a, 0x565b, 0xa186, 0x5657, 0xa182,
+  0x5652, 0xa17e, 0x564d, 0xa179, 0x5649, 0xa175, 0x5644, 0xa171,
+  0x5640, 0xa16d, 0x563b, 0xa168, 0x5636, 0xa164, 0x5632, 0xa160,
+  0x562d, 0xa15c, 0x5628, 0xa157, 0x5624, 0xa153, 0x561f, 0xa14f,
+  0x561a, 0xa14b, 0x5616, 0xa147, 0x5611, 0xa142, 0x560c, 0xa13e,
+  0x5608, 0xa13a, 0x5603, 0xa136, 0x55fe, 0xa131, 0x55fa, 0xa12d,
+  0x55f5, 0xa129, 0x55f0, 0xa125, 0x55ec, 0xa121, 0x55e7, 0xa11c,
+  0x55e3, 0xa118, 0x55de, 0xa114, 0x55d9, 0xa110, 0x55d5, 0xa10b,
+  0x55d0, 0xa107, 0x55cb, 0xa103, 0x55c7, 0xa0ff, 0x55c2, 0xa0fb,
+  0x55bd, 0xa0f6, 0x55b9, 0xa0f2, 0x55b4, 0xa0ee, 0x55af, 0xa0ea,
+  0x55ab, 0xa0e6, 0x55a6, 0xa0e1, 0x55a1, 0xa0dd, 0x559d, 0xa0d9,
+  0x5598, 0xa0d5, 0x5593, 0xa0d1, 0x558f, 0xa0cc, 0x558a, 0xa0c8,
+  0x5585, 0xa0c4, 0x5581, 0xa0c0, 0x557c, 0xa0bc, 0x5577, 0xa0b7,
+  0x5572, 0xa0b3, 0x556e, 0xa0af, 0x5569, 0xa0ab, 0x5564, 0xa0a7,
+  0x5560, 0xa0a2, 0x555b, 0xa09e, 0x5556, 0xa09a, 0x5552, 0xa096,
+  0x554d, 0xa092, 0x5548, 0xa08e, 0x5544, 0xa089, 0x553f, 0xa085,
+  0x553a, 0xa081, 0x5536, 0xa07d, 0x5531, 0xa079, 0x552c, 0xa074,
+  0x5528, 0xa070, 0x5523, 0xa06c, 0x551e, 0xa068, 0x5519, 0xa064,
+  0x5515, 0xa060, 0x5510, 0xa05b, 0x550b, 0xa057, 0x5507, 0xa053,
+  0x5502, 0xa04f, 0x54fd, 0xa04b, 0x54f9, 0xa046, 0x54f4, 0xa042,
+  0x54ef, 0xa03e, 0x54ea, 0xa03a, 0x54e6, 0xa036, 0x54e1, 0xa032,
+  0x54dc, 0xa02d, 0x54d8, 0xa029, 0x54d3, 0xa025, 0x54ce, 0xa021,
+  0x54ca, 0xa01d, 0x54c5, 0xa019, 0x54c0, 0xa014, 0x54bb, 0xa010,
+  0x54b7, 0xa00c, 0x54b2, 0xa008, 0x54ad, 0xa004, 0x54a9, 0xa000,
+  0x54a4, 0x9ffc, 0x549f, 0x9ff7, 0x549a, 0x9ff3, 0x5496, 0x9fef,
+  0x5491, 0x9feb, 0x548c, 0x9fe7, 0x5488, 0x9fe3, 0x5483, 0x9fde,
+  0x547e, 0x9fda, 0x5479, 0x9fd6, 0x5475, 0x9fd2, 0x5470, 0x9fce,
+  0x546b, 0x9fca, 0x5467, 0x9fc6, 0x5462, 0x9fc1, 0x545d, 0x9fbd,
+  0x5458, 0x9fb9, 0x5454, 0x9fb5, 0x544f, 0x9fb1, 0x544a, 0x9fad,
+  0x5445, 0x9fa9, 0x5441, 0x9fa4, 0x543c, 0x9fa0, 0x5437, 0x9f9c,
+  0x5433, 0x9f98, 0x542e, 0x9f94, 0x5429, 0x9f90, 0x5424, 0x9f8c,
+  0x5420, 0x9f88, 0x541b, 0x9f83, 0x5416, 0x9f7f, 0x5411, 0x9f7b,
+  0x540d, 0x9f77, 0x5408, 0x9f73, 0x5403, 0x9f6f, 0x53fe, 0x9f6b,
+  0x53fa, 0x9f67, 0x53f5, 0x9f62, 0x53f0, 0x9f5e, 0x53eb, 0x9f5a,
+  0x53e7, 0x9f56, 0x53e2, 0x9f52, 0x53dd, 0x9f4e, 0x53d8, 0x9f4a,
+  0x53d4, 0x9f46, 0x53cf, 0x9f41, 0x53ca, 0x9f3d, 0x53c5, 0x9f39,
+  0x53c1, 0x9f35, 0x53bc, 0x9f31, 0x53b7, 0x9f2d, 0x53b2, 0x9f29,
+  0x53ae, 0x9f25, 0x53a9, 0x9f21, 0x53a4, 0x9f1c, 0x539f, 0x9f18,
+  0x539b, 0x9f14, 0x5396, 0x9f10, 0x5391, 0x9f0c, 0x538c, 0x9f08,
+  0x5388, 0x9f04, 0x5383, 0x9f00, 0x537e, 0x9efc, 0x5379, 0x9ef8,
+  0x5375, 0x9ef3, 0x5370, 0x9eef, 0x536b, 0x9eeb, 0x5366, 0x9ee7,
+  0x5362, 0x9ee3, 0x535d, 0x9edf, 0x5358, 0x9edb, 0x5353, 0x9ed7,
+  0x534e, 0x9ed3, 0x534a, 0x9ecf, 0x5345, 0x9ecb, 0x5340, 0x9ec6,
+  0x533b, 0x9ec2, 0x5337, 0x9ebe, 0x5332, 0x9eba, 0x532d, 0x9eb6,
+  0x5328, 0x9eb2, 0x5323, 0x9eae, 0x531f, 0x9eaa, 0x531a, 0x9ea6,
+  0x5315, 0x9ea2, 0x5310, 0x9e9e, 0x530c, 0x9e9a, 0x5307, 0x9e95,
+  0x5302, 0x9e91, 0x52fd, 0x9e8d, 0x52f8, 0x9e89, 0x52f4, 0x9e85,
+  0x52ef, 0x9e81, 0x52ea, 0x9e7d, 0x52e5, 0x9e79, 0x52e1, 0x9e75,
+  0x52dc, 0x9e71, 0x52d7, 0x9e6d, 0x52d2, 0x9e69, 0x52cd, 0x9e65,
+  0x52c9, 0x9e61, 0x52c4, 0x9e5d, 0x52bf, 0x9e58, 0x52ba, 0x9e54,
+  0x52b5, 0x9e50, 0x52b1, 0x9e4c, 0x52ac, 0x9e48, 0x52a7, 0x9e44,
+  0x52a2, 0x9e40, 0x529d, 0x9e3c, 0x5299, 0x9e38, 0x5294, 0x9e34,
+  0x528f, 0x9e30, 0x528a, 0x9e2c, 0x5285, 0x9e28, 0x5281, 0x9e24,
+  0x527c, 0x9e20, 0x5277, 0x9e1c, 0x5272, 0x9e18, 0x526d, 0x9e14,
+  0x5269, 0x9e0f, 0x5264, 0x9e0b, 0x525f, 0x9e07, 0x525a, 0x9e03,
+  0x5255, 0x9dff, 0x5251, 0x9dfb, 0x524c, 0x9df7, 0x5247, 0x9df3,
+  0x5242, 0x9def, 0x523d, 0x9deb, 0x5238, 0x9de7, 0x5234, 0x9de3,
+  0x522f, 0x9ddf, 0x522a, 0x9ddb, 0x5225, 0x9dd7, 0x5220, 0x9dd3,
+  0x521c, 0x9dcf, 0x5217, 0x9dcb, 0x5212, 0x9dc7, 0x520d, 0x9dc3,
+  0x5208, 0x9dbf, 0x5203, 0x9dbb, 0x51ff, 0x9db7, 0x51fa, 0x9db3,
+  0x51f5, 0x9daf, 0x51f0, 0x9dab, 0x51eb, 0x9da7, 0x51e6, 0x9da3,
+  0x51e2, 0x9d9f, 0x51dd, 0x9d9b, 0x51d8, 0x9d97, 0x51d3, 0x9d93,
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+  0x50f9, 0x9cdf, 0x50f4, 0x9cdb, 0x50ef, 0x9cd7, 0x50ea, 0x9cd3,
+  0x50e5, 0x9ccf, 0x50e1, 0x9ccb, 0x50dc, 0x9cc7, 0x50d7, 0x9cc3,
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+  0x505d, 0x9c60, 0x5058, 0x9c5c, 0x5053, 0x9c58, 0x504e, 0x9c54,
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+  0x5022, 0x9c31, 0x501d, 0x9c2d, 0x5018, 0x9c29, 0x5013, 0x9c25,
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+  0x4ffb, 0x9c11, 0x4ff6, 0x9c0d, 0x4ff1, 0x9c09, 0x4fec, 0x9c06,
+  0x4fe7, 0x9c02, 0x4fe2, 0x9bfe, 0x4fdd, 0x9bfa, 0x4fd9, 0x9bf6,
+  0x4fd4, 0x9bf2, 0x4fcf, 0x9bee, 0x4fca, 0x9bea, 0x4fc5, 0x9be6,
+  0x4fc0, 0x9be2, 0x4fbb, 0x9bde, 0x4fb6, 0x9bda, 0x4fb1, 0x9bd7,
+  0x4fac, 0x9bd3, 0x4fa7, 0x9bcf, 0x4fa2, 0x9bcb, 0x4f9e, 0x9bc7,
+  0x4f99, 0x9bc3, 0x4f94, 0x9bbf, 0x4f8f, 0x9bbb, 0x4f8a, 0x9bb7,
+  0x4f85, 0x9bb3, 0x4f80, 0x9baf, 0x4f7b, 0x9bac, 0x4f76, 0x9ba8,
+  0x4f71, 0x9ba4, 0x4f6c, 0x9ba0, 0x4f67, 0x9b9c, 0x4f62, 0x9b98,
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+  0x4ee7, 0x9b37, 0x4ee2, 0x9b33, 0x4edd, 0x9b2f, 0x4ed8, 0x9b2b,
+  0x4ed3, 0x9b27, 0x4ece, 0x9b24, 0x4ec9, 0x9b20, 0x4ec4, 0x9b1c,
+  0x4ebf, 0x9b18, 0x4eba, 0x9b14, 0x4eb6, 0x9b10, 0x4eb1, 0x9b0c,
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+  0x4dbd, 0x9a50, 0x4db8, 0x9a4c, 0x4db3, 0x9a49, 0x4dae, 0x9a45,
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+  0x4cf5, 0x99b8, 0x4cf0, 0x99b5, 0x4ceb, 0x99b1, 0x4ce6, 0x99ad,
+  0x4ce1, 0x99a9, 0x4cdb, 0x99a5, 0x4cd6, 0x99a2, 0x4cd1, 0x999e,
+  0x4ccc, 0x999a, 0x4cc7, 0x9996, 0x4cc2, 0x9993, 0x4cbd, 0x998f,
+  0x4cb8, 0x998b, 0x4cb3, 0x9987, 0x4cae, 0x9984, 0x4ca9, 0x9980,
+  0x4ca4, 0x997c, 0x4c9f, 0x9978, 0x4c9a, 0x9975, 0x4c95, 0x9971,
+  0x4c90, 0x996d, 0x4c8b, 0x9969, 0x4c86, 0x9965, 0x4c81, 0x9962,
+  0x4c7c, 0x995e, 0x4c77, 0x995a, 0x4c72, 0x9956, 0x4c6d, 0x9953,
+  0x4c68, 0x994f, 0x4c63, 0x994b, 0x4c5e, 0x9947, 0x4c59, 0x9944,
+  0x4c54, 0x9940, 0x4c4f, 0x993c, 0x4c49, 0x9938, 0x4c44, 0x9935,
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+  0x4c17, 0x9913, 0x4c12, 0x990f, 0x4c0d, 0x990c, 0x4c08, 0x9908,
+  0x4c03, 0x9904, 0x4bfe, 0x9900, 0x4bf9, 0x98fd, 0x4bf4, 0x98f9,
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+  0x4bc6, 0x98d7, 0x4bc1, 0x98d4, 0x4bbc, 0x98d0, 0x4bb7, 0x98cc,
+  0x4bb2, 0x98c9, 0x4bad, 0x98c5, 0x4ba8, 0x98c1, 0x4ba3, 0x98bd,
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+  0x4b89, 0x98ab, 0x4b84, 0x98a7, 0x4b7f, 0x98a3, 0x4b7a, 0x98a0,
+  0x4b75, 0x989c, 0x4b70, 0x9898, 0x4b6b, 0x9895, 0x4b66, 0x9891,
+  0x4b61, 0x988d, 0x4b5c, 0x988a, 0x4b56, 0x9886, 0x4b51, 0x9882,
+  0x4b4c, 0x987e, 0x4b47, 0x987b, 0x4b42, 0x9877, 0x4b3d, 0x9873,
+  0x4b38, 0x9870, 0x4b33, 0x986c, 0x4b2e, 0x9868, 0x4b29, 0x9865,
+  0x4b24, 0x9861, 0x4b1f, 0x985d, 0x4b19, 0x985a, 0x4b14, 0x9856,
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+  0x4ae7, 0x9835, 0x4ae1, 0x9831, 0x4adc, 0x982d, 0x4ad7, 0x982a,
+  0x4ad2, 0x9826, 0x4acd, 0x9822, 0x4ac8, 0x981f, 0x4ac3, 0x981b,
+  0x4abe, 0x9817, 0x4ab9, 0x9814, 0x4ab4, 0x9810, 0x4aae, 0x980c,
+  0x4aa9, 0x9809, 0x4aa4, 0x9805, 0x4a9f, 0x9801, 0x4a9a, 0x97fe,
+  0x4a95, 0x97fa, 0x4a90, 0x97f6, 0x4a8b, 0x97f3, 0x4a86, 0x97ef,
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+  0x4a58, 0x97ce, 0x4a52, 0x97cb, 0x4a4d, 0x97c7, 0x4a48, 0x97c3,
+  0x4a43, 0x97c0, 0x4a3e, 0x97bc, 0x4a39, 0x97b8, 0x4a34, 0x97b5,
+  0x4a2f, 0x97b1, 0x4a2a, 0x97ad, 0x4a24, 0x97aa, 0x4a1f, 0x97a6,
+  0x4a1a, 0x97a2, 0x4a15, 0x979f, 0x4a10, 0x979b, 0x4a0b, 0x9798,
+  0x4a06, 0x9794, 0x4a01, 0x9790, 0x49fb, 0x978d, 0x49f6, 0x9789,
+  0x49f1, 0x9785, 0x49ec, 0x9782, 0x49e7, 0x977e, 0x49e2, 0x977a,
+  0x49dd, 0x9777, 0x49d8, 0x9773, 0x49d2, 0x9770, 0x49cd, 0x976c,
+  0x49c8, 0x9768, 0x49c3, 0x9765, 0x49be, 0x9761, 0x49b9, 0x975d,
+  0x49b4, 0x975a, 0x49ae, 0x9756, 0x49a9, 0x9753, 0x49a4, 0x974f,
+  0x499f, 0x974b, 0x499a, 0x9748, 0x4995, 0x9744, 0x4990, 0x9741,
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+  0x4976, 0x972f, 0x4971, 0x972b, 0x496c, 0x9727, 0x4966, 0x9724,
+  0x4961, 0x9720, 0x495c, 0x971d, 0x4957, 0x9719, 0x4952, 0x9715,
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+  0x4938, 0x9703, 0x4933, 0x9700, 0x492e, 0x96fc, 0x4929, 0x96f9,
+  0x4923, 0x96f5, 0x491e, 0x96f1, 0x4919, 0x96ee, 0x4914, 0x96ea,
+  0x490f, 0x96e7, 0x490a, 0x96e3, 0x4905, 0x96df, 0x48ff, 0x96dc,
+  0x48fa, 0x96d8, 0x48f5, 0x96d5, 0x48f0, 0x96d1, 0x48eb, 0x96ce,
+  0x48e6, 0x96ca, 0x48e0, 0x96c6, 0x48db, 0x96c3, 0x48d6, 0x96bf,
+  0x48d1, 0x96bc, 0x48cc, 0x96b8, 0x48c7, 0x96b5, 0x48c1, 0x96b1,
+  0x48bc, 0x96ad, 0x48b7, 0x96aa, 0x48b2, 0x96a6, 0x48ad, 0x96a3,
+  0x48a8, 0x969f, 0x48a2, 0x969c, 0x489d, 0x9698, 0x4898, 0x9694,
+  0x4893, 0x9691, 0x488e, 0x968d, 0x4888, 0x968a, 0x4883, 0x9686,
+  0x487e, 0x9683, 0x4879, 0x967f, 0x4874, 0x967b, 0x486f, 0x9678,
+  0x4869, 0x9674, 0x4864, 0x9671, 0x485f, 0x966d, 0x485a, 0x966a,
+  0x4855, 0x9666, 0x484f, 0x9663, 0x484a, 0x965f, 0x4845, 0x965b,
+  0x4840, 0x9658, 0x483b, 0x9654, 0x4836, 0x9651, 0x4830, 0x964d,
+  0x482b, 0x964a, 0x4826, 0x9646, 0x4821, 0x9643, 0x481c, 0x963f,
+  0x4816, 0x963c, 0x4811, 0x9638, 0x480c, 0x9635, 0x4807, 0x9631,
+  0x4802, 0x962d, 0x47fc, 0x962a, 0x47f7, 0x9626, 0x47f2, 0x9623,
+  0x47ed, 0x961f, 0x47e8, 0x961c, 0x47e2, 0x9618, 0x47dd, 0x9615,
+  0x47d8, 0x9611, 0x47d3, 0x960e, 0x47ce, 0x960a, 0x47c8, 0x9607,
+  0x47c3, 0x9603, 0x47be, 0x9600, 0x47b9, 0x95fc, 0x47b4, 0x95f9,
+  0x47ae, 0x95f5, 0x47a9, 0x95f2, 0x47a4, 0x95ee, 0x479f, 0x95ea,
+  0x479a, 0x95e7, 0x4794, 0x95e3, 0x478f, 0x95e0, 0x478a, 0x95dc,
+  0x4785, 0x95d9, 0x4780, 0x95d5, 0x477a, 0x95d2, 0x4775, 0x95ce,
+  0x4770, 0x95cb, 0x476b, 0x95c7, 0x4765, 0x95c4, 0x4760, 0x95c0,
+  0x475b, 0x95bd, 0x4756, 0x95b9, 0x4751, 0x95b6, 0x474b, 0x95b2,
+  0x4746, 0x95af, 0x4741, 0x95ab, 0x473c, 0x95a8, 0x4737, 0x95a4,
+  0x4731, 0x95a1, 0x472c, 0x959d, 0x4727, 0x959a, 0x4722, 0x9596,
+  0x471c, 0x9593, 0x4717, 0x958f, 0x4712, 0x958c, 0x470d, 0x9588,
+  0x4708, 0x9585, 0x4702, 0x9581, 0x46fd, 0x957e, 0x46f8, 0x957a,
+  0x46f3, 0x9577, 0x46ed, 0x9574, 0x46e8, 0x9570, 0x46e3, 0x956d,
+  0x46de, 0x9569, 0x46d8, 0x9566, 0x46d3, 0x9562, 0x46ce, 0x955f,
+  0x46c9, 0x955b, 0x46c4, 0x9558, 0x46be, 0x9554, 0x46b9, 0x9551,
+  0x46b4, 0x954d, 0x46af, 0x954a, 0x46a9, 0x9546, 0x46a4, 0x9543,
+  0x469f, 0x953f, 0x469a, 0x953c, 0x4694, 0x9538, 0x468f, 0x9535,
+  0x468a, 0x9532, 0x4685, 0x952e, 0x467f, 0x952b, 0x467a, 0x9527,
+  0x4675, 0x9524, 0x4670, 0x9520, 0x466a, 0x951d, 0x4665, 0x9519,
+  0x4660, 0x9516, 0x465b, 0x9512, 0x4655, 0x950f, 0x4650, 0x950c,
+  0x464b, 0x9508, 0x4646, 0x9505, 0x4640, 0x9501, 0x463b, 0x94fe,
+  0x4636, 0x94fa, 0x4631, 0x94f7, 0x462b, 0x94f3, 0x4626, 0x94f0,
+  0x4621, 0x94ed, 0x461c, 0x94e9, 0x4616, 0x94e6, 0x4611, 0x94e2,
+  0x460c, 0x94df, 0x4607, 0x94db, 0x4601, 0x94d8, 0x45fc, 0x94d4,
+  0x45f7, 0x94d1, 0x45f2, 0x94ce, 0x45ec, 0x94ca, 0x45e7, 0x94c7,
+  0x45e2, 0x94c3, 0x45dd, 0x94c0, 0x45d7, 0x94bc, 0x45d2, 0x94b9,
+  0x45cd, 0x94b6, 0x45c7, 0x94b2, 0x45c2, 0x94af, 0x45bd, 0x94ab,
+  0x45b8, 0x94a8, 0x45b2, 0x94a4, 0x45ad, 0x94a1, 0x45a8, 0x949e,
+  0x45a3, 0x949a, 0x459d, 0x9497, 0x4598, 0x9493, 0x4593, 0x9490,
+  0x458d, 0x948d, 0x4588, 0x9489, 0x4583, 0x9486, 0x457e, 0x9482,
+  0x4578, 0x947f, 0x4573, 0x947b, 0x456e, 0x9478, 0x4569, 0x9475,
+  0x4563, 0x9471, 0x455e, 0x946e, 0x4559, 0x946a, 0x4553, 0x9467,
+  0x454e, 0x9464, 0x4549, 0x9460, 0x4544, 0x945d, 0x453e, 0x9459,
+  0x4539, 0x9456, 0x4534, 0x9453, 0x452e, 0x944f, 0x4529, 0x944c,
+  0x4524, 0x9448, 0x451f, 0x9445, 0x4519, 0x9442, 0x4514, 0x943e,
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+  0x2fb5, 0x893a, 0x2fb0, 0x8938, 0x2faa, 0x8935, 0x2fa4, 0x8933,
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+  0x2f41, 0x890b, 0x2f3b, 0x8909, 0x2f35, 0x8907, 0x2f2f, 0x8904,
+  0x2f29, 0x8902, 0x2f24, 0x8900, 0x2f1e, 0x88fd, 0x2f18, 0x88fb,
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+  0x2ee3, 0x88e6, 0x2edd, 0x88e4, 0x2ed8, 0x88e2, 0x2ed2, 0x88df,
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+  0x2eb5, 0x88d4, 0x2eaf, 0x88d2, 0x2ea9, 0x88cf, 0x2ea3, 0x88cd,
+  0x2e9d, 0x88cb, 0x2e97, 0x88c8, 0x2e91, 0x88c6, 0x2e8c, 0x88c4,
+  0x2e86, 0x88c2, 0x2e80, 0x88bf, 0x2e7a, 0x88bd, 0x2e74, 0x88bb,
+  0x2e6e, 0x88b9, 0x2e68, 0x88b6, 0x2e63, 0x88b4, 0x2e5d, 0x88b2,
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+  0x2e3f, 0x88a6, 0x2e3a, 0x88a4, 0x2e34, 0x88a2, 0x2e2e, 0x88a0,
+  0x2e28, 0x889d, 0x2e22, 0x889b, 0x2e1c, 0x8899, 0x2e16, 0x8896,
+  0x2e11, 0x8894, 0x2e0b, 0x8892, 0x2e05, 0x8890, 0x2dff, 0x888d,
+  0x2df9, 0x888b, 0x2df3, 0x8889, 0x2ded, 0x8887, 0x2de7, 0x8884,
+  0x2de2, 0x8882, 0x2ddc, 0x8880, 0x2dd6, 0x887e, 0x2dd0, 0x887b,
+  0x2dca, 0x8879, 0x2dc4, 0x8877, 0x2dbe, 0x8875, 0x2db9, 0x8872,
+  0x2db3, 0x8870, 0x2dad, 0x886e, 0x2da7, 0x886c, 0x2da1, 0x8869,
+  0x2d9b, 0x8867, 0x2d95, 0x8865, 0x2d8f, 0x8863, 0x2d8a, 0x8860,
+  0x2d84, 0x885e, 0x2d7e, 0x885c, 0x2d78, 0x885a, 0x2d72, 0x8858,
+  0x2d6c, 0x8855, 0x2d66, 0x8853, 0x2d60, 0x8851, 0x2d5b, 0x884f,
+  0x2d55, 0x884c, 0x2d4f, 0x884a, 0x2d49, 0x8848, 0x2d43, 0x8846,
+  0x2d3d, 0x8844, 0x2d37, 0x8841, 0x2d31, 0x883f, 0x2d2c, 0x883d,
+  0x2d26, 0x883b, 0x2d20, 0x8838, 0x2d1a, 0x8836, 0x2d14, 0x8834,
+  0x2d0e, 0x8832, 0x2d08, 0x8830, 0x2d02, 0x882d, 0x2cfd, 0x882b,
+  0x2cf7, 0x8829, 0x2cf1, 0x8827, 0x2ceb, 0x8825, 0x2ce5, 0x8822,
+  0x2cdf, 0x8820, 0x2cd9, 0x881e, 0x2cd3, 0x881c, 0x2ccd, 0x881a,
+  0x2cc8, 0x8817, 0x2cc2, 0x8815, 0x2cbc, 0x8813, 0x2cb6, 0x8811,
+  0x2cb0, 0x880f, 0x2caa, 0x880c, 0x2ca4, 0x880a, 0x2c9e, 0x8808,
+  0x2c98, 0x8806, 0x2c93, 0x8804, 0x2c8d, 0x8801, 0x2c87, 0x87ff,
+  0x2c81, 0x87fd, 0x2c7b, 0x87fb, 0x2c75, 0x87f9, 0x2c6f, 0x87f6,
+  0x2c69, 0x87f4, 0x2c63, 0x87f2, 0x2c5e, 0x87f0, 0x2c58, 0x87ee,
+  0x2c52, 0x87ec, 0x2c4c, 0x87e9, 0x2c46, 0x87e7, 0x2c40, 0x87e5,
+  0x2c3a, 0x87e3, 0x2c34, 0x87e1, 0x2c2e, 0x87df, 0x2c29, 0x87dc,
+  0x2c23, 0x87da, 0x2c1d, 0x87d8, 0x2c17, 0x87d6, 0x2c11, 0x87d4,
+  0x2c0b, 0x87d2, 0x2c05, 0x87cf, 0x2bff, 0x87cd, 0x2bf9, 0x87cb,
+  0x2bf3, 0x87c9, 0x2bee, 0x87c7, 0x2be8, 0x87c5, 0x2be2, 0x87c2,
+  0x2bdc, 0x87c0, 0x2bd6, 0x87be, 0x2bd0, 0x87bc, 0x2bca, 0x87ba,
+  0x2bc4, 0x87b8, 0x2bbe, 0x87b6, 0x2bb8, 0x87b3, 0x2bb2, 0x87b1,
+  0x2bad, 0x87af, 0x2ba7, 0x87ad, 0x2ba1, 0x87ab, 0x2b9b, 0x87a9,
+  0x2b95, 0x87a7, 0x2b8f, 0x87a4, 0x2b89, 0x87a2, 0x2b83, 0x87a0,
+  0x2b7d, 0x879e, 0x2b77, 0x879c, 0x2b71, 0x879a, 0x2b6c, 0x8798,
+  0x2b66, 0x8795, 0x2b60, 0x8793, 0x2b5a, 0x8791, 0x2b54, 0x878f,
+  0x2b4e, 0x878d, 0x2b48, 0x878b, 0x2b42, 0x8789, 0x2b3c, 0x8787,
+  0x2b36, 0x8784, 0x2b30, 0x8782, 0x2b2b, 0x8780, 0x2b25, 0x877e,
+  0x2b1f, 0x877c, 0x2b19, 0x877a, 0x2b13, 0x8778, 0x2b0d, 0x8776,
+  0x2b07, 0x8774, 0x2b01, 0x8771, 0x2afb, 0x876f, 0x2af5, 0x876d,
+  0x2aef, 0x876b, 0x2ae9, 0x8769, 0x2ae4, 0x8767, 0x2ade, 0x8765,
+  0x2ad8, 0x8763, 0x2ad2, 0x8761, 0x2acc, 0x875e, 0x2ac6, 0x875c,
+  0x2ac0, 0x875a, 0x2aba, 0x8758, 0x2ab4, 0x8756, 0x2aae, 0x8754,
+  0x2aa8, 0x8752, 0x2aa2, 0x8750, 0x2a9c, 0x874e, 0x2a97, 0x874c,
+  0x2a91, 0x874a, 0x2a8b, 0x8747, 0x2a85, 0x8745, 0x2a7f, 0x8743,
+  0x2a79, 0x8741, 0x2a73, 0x873f, 0x2a6d, 0x873d, 0x2a67, 0x873b,
+  0x2a61, 0x8739, 0x2a5b, 0x8737, 0x2a55, 0x8735, 0x2a4f, 0x8733,
+  0x2a49, 0x8731, 0x2a44, 0x872e, 0x2a3e, 0x872c, 0x2a38, 0x872a,
+  0x2a32, 0x8728, 0x2a2c, 0x8726, 0x2a26, 0x8724, 0x2a20, 0x8722,
+  0x2a1a, 0x8720, 0x2a14, 0x871e, 0x2a0e, 0x871c, 0x2a08, 0x871a,
+  0x2a02, 0x8718, 0x29fc, 0x8716, 0x29f6, 0x8714, 0x29f0, 0x8712,
+  0x29eb, 0x870f, 0x29e5, 0x870d, 0x29df, 0x870b, 0x29d9, 0x8709,
+  0x29d3, 0x8707, 0x29cd, 0x8705, 0x29c7, 0x8703, 0x29c1, 0x8701,
+  0x29bb, 0x86ff, 0x29b5, 0x86fd, 0x29af, 0x86fb, 0x29a9, 0x86f9,
+  0x29a3, 0x86f7, 0x299d, 0x86f5, 0x2997, 0x86f3, 0x2991, 0x86f1,
+  0x298b, 0x86ef, 0x2986, 0x86ed, 0x2980, 0x86eb, 0x297a, 0x86e9,
+  0x2974, 0x86e7, 0x296e, 0x86e4, 0x2968, 0x86e2, 0x2962, 0x86e0,
+  0x295c, 0x86de, 0x2956, 0x86dc, 0x2950, 0x86da, 0x294a, 0x86d8,
+  0x2944, 0x86d6, 0x293e, 0x86d4, 0x2938, 0x86d2, 0x2932, 0x86d0,
+  0x292c, 0x86ce, 0x2926, 0x86cc, 0x2920, 0x86ca, 0x291b, 0x86c8,
+  0x2915, 0x86c6, 0x290f, 0x86c4, 0x2909, 0x86c2, 0x2903, 0x86c0,
+  0x28fd, 0x86be, 0x28f7, 0x86bc, 0x28f1, 0x86ba, 0x28eb, 0x86b8,
+  0x28e5, 0x86b6, 0x28df, 0x86b4, 0x28d9, 0x86b2, 0x28d3, 0x86b0,
+  0x28cd, 0x86ae, 0x28c7, 0x86ac, 0x28c1, 0x86aa, 0x28bb, 0x86a8,
+  0x28b5, 0x86a6, 0x28af, 0x86a4, 0x28a9, 0x86a2, 0x28a3, 0x86a0,
+  0x289d, 0x869e, 0x2898, 0x869c, 0x2892, 0x869a, 0x288c, 0x8698,
+  0x2886, 0x8696, 0x2880, 0x8694, 0x287a, 0x8692, 0x2874, 0x8690,
+  0x286e, 0x868e, 0x2868, 0x868c, 0x2862, 0x868a, 0x285c, 0x8688,
+  0x2856, 0x8686, 0x2850, 0x8684, 0x284a, 0x8682, 0x2844, 0x8680,
+  0x283e, 0x867e, 0x2838, 0x867c, 0x2832, 0x867a, 0x282c, 0x8678,
+  0x2826, 0x8676, 0x2820, 0x8674, 0x281a, 0x8672, 0x2814, 0x8670,
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+  0x1bda, 0x8312, 0x1bd4, 0x8310, 0x1bce, 0x830f, 0x1bc8, 0x830e,
+  0x1bc1, 0x830c, 0x1bbb, 0x830b, 0x1bb5, 0x830a, 0x1baf, 0x8308,
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+  0x1b78, 0x82fc, 0x1b72, 0x82fb, 0x1b6c, 0x82f9, 0x1b65, 0x82f8,
+  0x1b5f, 0x82f7, 0x1b59, 0x82f5, 0x1b53, 0x82f4, 0x1b4d, 0x82f3,
+  0x1b47, 0x82f1, 0x1b41, 0x82f0, 0x1b3a, 0x82ef, 0x1b34, 0x82ed,
+  0x1b2e, 0x82ec, 0x1b28, 0x82eb, 0x1b22, 0x82e9, 0x1b1c, 0x82e8,
+  0x1b16, 0x82e7, 0x1b0f, 0x82e5, 0x1b09, 0x82e4, 0x1b03, 0x82e3,
+  0x1afd, 0x82e1, 0x1af7, 0x82e0, 0x1af1, 0x82df, 0x1aeb, 0x82dd,
+  0x1ae4, 0x82dc, 0x1ade, 0x82db, 0x1ad8, 0x82d9, 0x1ad2, 0x82d8,
+  0x1acc, 0x82d7, 0x1ac6, 0x82d5, 0x1ac0, 0x82d4, 0x1ab9, 0x82d3,
+  0x1ab3, 0x82d1, 0x1aad, 0x82d0, 0x1aa7, 0x82cf, 0x1aa1, 0x82ce,
+  0x1a9b, 0x82cc, 0x1a95, 0x82cb, 0x1a8e, 0x82ca, 0x1a88, 0x82c8,
+  0x1a82, 0x82c7, 0x1a7c, 0x82c6, 0x1a76, 0x82c4, 0x1a70, 0x82c3,
+  0x1a6a, 0x82c2, 0x1a63, 0x82c1, 0x1a5d, 0x82bf, 0x1a57, 0x82be,
+  0x1a51, 0x82bd, 0x1a4b, 0x82bb, 0x1a45, 0x82ba, 0x1a3e, 0x82b9,
+  0x1a38, 0x82b7, 0x1a32, 0x82b6, 0x1a2c, 0x82b5, 0x1a26, 0x82b4,
+  0x1a20, 0x82b2, 0x1a1a, 0x82b1, 0x1a13, 0x82b0, 0x1a0d, 0x82ae,
+  0x1a07, 0x82ad, 0x1a01, 0x82ac, 0x19fb, 0x82ab, 0x19f5, 0x82a9,
+  0x19ef, 0x82a8, 0x19e8, 0x82a7, 0x19e2, 0x82a6, 0x19dc, 0x82a4,
+  0x19d6, 0x82a3, 0x19d0, 0x82a2, 0x19ca, 0x82a0, 0x19c3, 0x829f,
+  0x19bd, 0x829e, 0x19b7, 0x829d, 0x19b1, 0x829b, 0x19ab, 0x829a,
+  0x19a5, 0x8299, 0x199f, 0x8298, 0x1998, 0x8296, 0x1992, 0x8295,
+  0x198c, 0x8294, 0x1986, 0x8293, 0x1980, 0x8291, 0x197a, 0x8290,
+  0x1973, 0x828f, 0x196d, 0x828e, 0x1967, 0x828c, 0x1961, 0x828b,
+  0x195b, 0x828a, 0x1955, 0x8289, 0x194e, 0x8287, 0x1948, 0x8286,
+  0x1942, 0x8285, 0x193c, 0x8284, 0x1936, 0x8282, 0x1930, 0x8281,
+  0x192a, 0x8280, 0x1923, 0x827f, 0x191d, 0x827e, 0x1917, 0x827c,
+  0x1911, 0x827b, 0x190b, 0x827a, 0x1905, 0x8279, 0x18fe, 0x8277,
+  0x18f8, 0x8276, 0x18f2, 0x8275, 0x18ec, 0x8274, 0x18e6, 0x8272,
+  0x18e0, 0x8271, 0x18d9, 0x8270, 0x18d3, 0x826f, 0x18cd, 0x826e,
+  0x18c7, 0x826c, 0x18c1, 0x826b, 0x18bb, 0x826a, 0x18b4, 0x8269,
+  0x18ae, 0x8268, 0x18a8, 0x8266, 0x18a2, 0x8265, 0x189c, 0x8264,
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+  0x1864, 0x8259, 0x185e, 0x8258, 0x1858, 0x8257, 0x1852, 0x8255,
+  0x184c, 0x8254, 0x1845, 0x8253, 0x183f, 0x8252, 0x1839, 0x8251,
+  0x1833, 0x8250, 0x182d, 0x824e, 0x1827, 0x824d, 0x1820, 0x824c,
+  0x181a, 0x824b, 0x1814, 0x824a, 0x180e, 0x8248, 0x1808, 0x8247,
+  0x1802, 0x8246, 0x17fb, 0x8245, 0x17f5, 0x8244, 0x17ef, 0x8243,
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+  0xcd6, 0x80a6, 0xcd0, 0x80a5, 0xcca, 0x80a5, 0xcc4, 0x80a4,
+  0xcbd, 0x80a3, 0xcb7, 0x80a3, 0xcb1, 0x80a2, 0xcab, 0x80a1,
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+  0xbdc, 0x808e, 0xbd6, 0x808d, 0xbd0, 0x808c, 0xbc9, 0x808c,
+  0xbc3, 0x808b, 0xbbd, 0x808b, 0xbb7, 0x808a, 0xbb0, 0x8089,
+  0xbaa, 0x8089, 0xba4, 0x8088, 0xb9e, 0x8088, 0xb97, 0x8087,
+  0xb91, 0x8087, 0xb8b, 0x8086, 0xb85, 0x8085, 0xb7e, 0x8085,
+  0xb78, 0x8084, 0xb72, 0x8084, 0xb6c, 0x8083, 0xb65, 0x8083,
+  0xb5f, 0x8082, 0xb59, 0x8082, 0xb53, 0x8081, 0xb4c, 0x8080,
+  0xb46, 0x8080, 0xb40, 0x807f, 0xb3a, 0x807f, 0xb33, 0x807e,
+  0xb2d, 0x807e, 0xb27, 0x807d, 0xb20, 0x807d, 0xb1a, 0x807c,
+  0xb14, 0x807b, 0xb0e, 0x807b, 0xb07, 0x807a, 0xb01, 0x807a,
+  0xafb, 0x8079, 0xaf5, 0x8079, 0xaee, 0x8078, 0xae8, 0x8078,
+  0xae2, 0x8077, 0xadc, 0x8077, 0xad5, 0x8076, 0xacf, 0x8076,
+  0xac9, 0x8075, 0xac3, 0x8075, 0xabc, 0x8074, 0xab6, 0x8073,
+  0xab0, 0x8073, 0xaaa, 0x8072, 0xaa3, 0x8072, 0xa9d, 0x8071,
+  0xa97, 0x8071, 0xa90, 0x8070, 0xa8a, 0x8070, 0xa84, 0x806f,
+  0xa7e, 0x806f, 0xa77, 0x806e, 0xa71, 0x806e, 0xa6b, 0x806d,
+  0xa65, 0x806d, 0xa5e, 0x806c, 0xa58, 0x806c, 0xa52, 0x806b,
+  0xa4c, 0x806b, 0xa45, 0x806a, 0xa3f, 0x806a, 0xa39, 0x8069,
+  0xa33, 0x8069, 0xa2c, 0x8068, 0xa26, 0x8068, 0xa20, 0x8067,
+  0xa19, 0x8067, 0xa13, 0x8066, 0xa0d, 0x8066, 0xa07, 0x8065,
+  0xa00, 0x8065, 0x9fa, 0x8064, 0x9f4, 0x8064, 0x9ee, 0x8063,
+  0x9e7, 0x8063, 0x9e1, 0x8062, 0x9db, 0x8062, 0x9d5, 0x8061,
+  0x9ce, 0x8061, 0x9c8, 0x8060, 0x9c2, 0x8060, 0x9bc, 0x805f,
+  0x9b5, 0x805f, 0x9af, 0x805e, 0x9a9, 0x805e, 0x9a2, 0x805d,
+  0x99c, 0x805d, 0x996, 0x805d, 0x990, 0x805c, 0x989, 0x805c,
+  0x983, 0x805b, 0x97d, 0x805b, 0x977, 0x805a, 0x970, 0x805a,
+  0x96a, 0x8059, 0x964, 0x8059, 0x95e, 0x8058, 0x957, 0x8058,
+  0x951, 0x8057, 0x94b, 0x8057, 0x944, 0x8057, 0x93e, 0x8056,
+  0x938, 0x8056, 0x932, 0x8055, 0x92b, 0x8055, 0x925, 0x8054,
+  0x91f, 0x8054, 0x919, 0x8053, 0x912, 0x8053, 0x90c, 0x8052,
+  0x906, 0x8052, 0x900, 0x8052, 0x8f9, 0x8051, 0x8f3, 0x8051,
+  0x8ed, 0x8050, 0x8e6, 0x8050, 0x8e0, 0x804f, 0x8da, 0x804f,
+  0x8d4, 0x804f, 0x8cd, 0x804e, 0x8c7, 0x804e, 0x8c1, 0x804d,
+  0x8bb, 0x804d, 0x8b4, 0x804c, 0x8ae, 0x804c, 0x8a8, 0x804c,
+  0x8a2, 0x804b, 0x89b, 0x804b, 0x895, 0x804a, 0x88f, 0x804a,
+  0x888, 0x8049, 0x882, 0x8049, 0x87c, 0x8049, 0x876, 0x8048,
+  0x86f, 0x8048, 0x869, 0x8047, 0x863, 0x8047, 0x85d, 0x8047,
+  0x856, 0x8046, 0x850, 0x8046, 0x84a, 0x8045, 0x843, 0x8045,
+  0x83d, 0x8044, 0x837, 0x8044, 0x831, 0x8044, 0x82a, 0x8043,
+  0x824, 0x8043, 0x81e, 0x8042, 0x818, 0x8042, 0x811, 0x8042,
+  0x80b, 0x8041, 0x805, 0x8041, 0x7fe, 0x8040, 0x7f8, 0x8040,
+  0x7f2, 0x8040, 0x7ec, 0x803f, 0x7e5, 0x803f, 0x7df, 0x803f,
+  0x7d9, 0x803e, 0x7d3, 0x803e, 0x7cc, 0x803d, 0x7c6, 0x803d,
+  0x7c0, 0x803d, 0x7ba, 0x803c, 0x7b3, 0x803c, 0x7ad, 0x803b,
+  0x7a7, 0x803b, 0x7a0, 0x803b, 0x79a, 0x803a, 0x794, 0x803a,
+  0x78e, 0x803a, 0x787, 0x8039, 0x781, 0x8039, 0x77b, 0x8039,
+  0x775, 0x8038, 0x76e, 0x8038, 0x768, 0x8037, 0x762, 0x8037,
+  0x75b, 0x8037, 0x755, 0x8036, 0x74f, 0x8036, 0x749, 0x8036,
+  0x742, 0x8035, 0x73c, 0x8035, 0x736, 0x8035, 0x730, 0x8034,
+  0x729, 0x8034, 0x723, 0x8033, 0x71d, 0x8033, 0x716, 0x8033,
+  0x710, 0x8032, 0x70a, 0x8032, 0x704, 0x8032, 0x6fd, 0x8031,
+  0x6f7, 0x8031, 0x6f1, 0x8031, 0x6ea, 0x8030, 0x6e4, 0x8030,
+  0x6de, 0x8030, 0x6d8, 0x802f, 0x6d1, 0x802f, 0x6cb, 0x802f,
+  0x6c5, 0x802e, 0x6bf, 0x802e, 0x6b8, 0x802e, 0x6b2, 0x802d,
+  0x6ac, 0x802d, 0x6a5, 0x802d, 0x69f, 0x802c, 0x699, 0x802c,
+  0x693, 0x802c, 0x68c, 0x802b, 0x686, 0x802b, 0x680, 0x802b,
+  0x67a, 0x802a, 0x673, 0x802a, 0x66d, 0x802a, 0x667, 0x802a,
+  0x660, 0x8029, 0x65a, 0x8029, 0x654, 0x8029, 0x64e, 0x8028,
+  0x647, 0x8028, 0x641, 0x8028, 0x63b, 0x8027, 0x635, 0x8027,
+  0x62e, 0x8027, 0x628, 0x8026, 0x622, 0x8026, 0x61b, 0x8026,
+  0x615, 0x8026, 0x60f, 0x8025, 0x609, 0x8025, 0x602, 0x8025,
+  0x5fc, 0x8024, 0x5f6, 0x8024, 0x5ef, 0x8024, 0x5e9, 0x8023,
+  0x5e3, 0x8023, 0x5dd, 0x8023, 0x5d6, 0x8023, 0x5d0, 0x8022,
+  0x5ca, 0x8022, 0x5c4, 0x8022, 0x5bd, 0x8021, 0x5b7, 0x8021,
+  0x5b1, 0x8021, 0x5aa, 0x8021, 0x5a4, 0x8020, 0x59e, 0x8020,
+  0x598, 0x8020, 0x591, 0x8020, 0x58b, 0x801f, 0x585, 0x801f,
+  0x57f, 0x801f, 0x578, 0x801e, 0x572, 0x801e, 0x56c, 0x801e,
+  0x565, 0x801e, 0x55f, 0x801d, 0x559, 0x801d, 0x553, 0x801d,
+  0x54c, 0x801d, 0x546, 0x801c, 0x540, 0x801c, 0x539, 0x801c,
+  0x533, 0x801c, 0x52d, 0x801b, 0x527, 0x801b, 0x520, 0x801b,
+  0x51a, 0x801b, 0x514, 0x801a, 0x50d, 0x801a, 0x507, 0x801a,
+  0x501, 0x801a, 0x4fb, 0x8019, 0x4f4, 0x8019, 0x4ee, 0x8019,
+  0x4e8, 0x8019, 0x4e2, 0x8018, 0x4db, 0x8018, 0x4d5, 0x8018,
+  0x4cf, 0x8018, 0x4c8, 0x8017, 0x4c2, 0x8017, 0x4bc, 0x8017,
+  0x4b6, 0x8017, 0x4af, 0x8016, 0x4a9, 0x8016, 0x4a3, 0x8016,
+  0x49c, 0x8016, 0x496, 0x8016, 0x490, 0x8015, 0x48a, 0x8015,
+  0x483, 0x8015, 0x47d, 0x8015, 0x477, 0x8014, 0x471, 0x8014,
+  0x46a, 0x8014, 0x464, 0x8014, 0x45e, 0x8014, 0x457, 0x8013,
+  0x451, 0x8013, 0x44b, 0x8013, 0x445, 0x8013, 0x43e, 0x8013,
+  0x438, 0x8012, 0x432, 0x8012, 0x42b, 0x8012, 0x425, 0x8012,
+  0x41f, 0x8012, 0x419, 0x8011, 0x412, 0x8011, 0x40c, 0x8011,
+  0x406, 0x8011, 0x3ff, 0x8011, 0x3f9, 0x8010, 0x3f3, 0x8010,
+  0x3ed, 0x8010, 0x3e6, 0x8010, 0x3e0, 0x8010, 0x3da, 0x800f,
+  0x3d4, 0x800f, 0x3cd, 0x800f, 0x3c7, 0x800f, 0x3c1, 0x800f,
+  0x3ba, 0x800e, 0x3b4, 0x800e, 0x3ae, 0x800e, 0x3a8, 0x800e,
+  0x3a1, 0x800e, 0x39b, 0x800e, 0x395, 0x800d, 0x38e, 0x800d,
+  0x388, 0x800d, 0x382, 0x800d, 0x37c, 0x800d, 0x375, 0x800c,
+  0x36f, 0x800c, 0x369, 0x800c, 0x362, 0x800c, 0x35c, 0x800c,
+  0x356, 0x800c, 0x350, 0x800b, 0x349, 0x800b, 0x343, 0x800b,
+  0x33d, 0x800b, 0x337, 0x800b, 0x330, 0x800b, 0x32a, 0x800b,
+  0x324, 0x800a, 0x31d, 0x800a, 0x317, 0x800a, 0x311, 0x800a,
+  0x30b, 0x800a, 0x304, 0x800a, 0x2fe, 0x8009, 0x2f8, 0x8009,
+  0x2f1, 0x8009, 0x2eb, 0x8009, 0x2e5, 0x8009, 0x2df, 0x8009,
+  0x2d8, 0x8009, 0x2d2, 0x8008, 0x2cc, 0x8008, 0x2c5, 0x8008,
+  0x2bf, 0x8008, 0x2b9, 0x8008, 0x2b3, 0x8008, 0x2ac, 0x8008,
+  0x2a6, 0x8008, 0x2a0, 0x8007, 0x299, 0x8007, 0x293, 0x8007,
+  0x28d, 0x8007, 0x287, 0x8007, 0x280, 0x8007, 0x27a, 0x8007,
+  0x274, 0x8007, 0x26d, 0x8006, 0x267, 0x8006, 0x261, 0x8006,
+  0x25b, 0x8006, 0x254, 0x8006, 0x24e, 0x8006, 0x248, 0x8006,
+  0x242, 0x8006, 0x23b, 0x8005, 0x235, 0x8005, 0x22f, 0x8005,
+  0x228, 0x8005, 0x222, 0x8005, 0x21c, 0x8005, 0x216, 0x8005,
+  0x20f, 0x8005, 0x209, 0x8005, 0x203, 0x8005, 0x1fc, 0x8004,
+  0x1f6, 0x8004, 0x1f0, 0x8004, 0x1ea, 0x8004, 0x1e3, 0x8004,
+  0x1dd, 0x8004, 0x1d7, 0x8004, 0x1d0, 0x8004, 0x1ca, 0x8004,
+  0x1c4, 0x8004, 0x1be, 0x8004, 0x1b7, 0x8003, 0x1b1, 0x8003,
+  0x1ab, 0x8003, 0x1a4, 0x8003, 0x19e, 0x8003, 0x198, 0x8003,
+  0x192, 0x8003, 0x18b, 0x8003, 0x185, 0x8003, 0x17f, 0x8003,
+  0x178, 0x8003, 0x172, 0x8003, 0x16c, 0x8003, 0x166, 0x8002,
+  0x15f, 0x8002, 0x159, 0x8002, 0x153, 0x8002, 0x14d, 0x8002,
+  0x146, 0x8002, 0x140, 0x8002, 0x13a, 0x8002, 0x133, 0x8002,
+  0x12d, 0x8002, 0x127, 0x8002, 0x121, 0x8002, 0x11a, 0x8002,
+  0x114, 0x8002, 0x10e, 0x8002, 0x107, 0x8002, 0x101, 0x8002,
+  0xfb, 0x8001, 0xf5, 0x8001, 0xee, 0x8001, 0xe8, 0x8001,
+  0xe2, 0x8001, 0xdb, 0x8001, 0xd5, 0x8001, 0xcf, 0x8001,
+  0xc9, 0x8001, 0xc2, 0x8001, 0xbc, 0x8001, 0xb6, 0x8001,
+  0xaf, 0x8001, 0xa9, 0x8001, 0xa3, 0x8001, 0x9d, 0x8001,
+  0x96, 0x8001, 0x90, 0x8001, 0x8a, 0x8001, 0x83, 0x8001,
+  0x7d, 0x8001, 0x77, 0x8001, 0x71, 0x8001, 0x6a, 0x8001,
+  0x64, 0x8001, 0x5e, 0x8001, 0x57, 0x8001, 0x51, 0x8001,
+  0x4b, 0x8001, 0x45, 0x8001, 0x3e, 0x8001, 0x38, 0x8001,
+  0x32, 0x8001, 0x2b, 0x8001, 0x25, 0x8001, 0x1f, 0x8001,
+  0x19, 0x8001, 0x12, 0x8001, 0xc, 0x8001, 0x6, 0x8001,
+};
+
+
+/**    
+* \par    
+* cosFactor tables are generated using the formula : 
 cos_factors[n] = 2 * cos((2n+1)*pi/(4*N)) 
    
+* \par    
+* C command to generate the table    
+* 
    
+* for(i = 0; i< N; i++)    
+* {    
+*   cos_factors[i]= 2 * cos((2*i+1)*c/2);    
+* } 
    
+* \par    
+* where N is the number of factors to generate and c is pi/(2*N)    
+* \par    
+* Then converted to q15 format by multiplying with 2^31 and saturated if required.    
+    
+*/
+
+static const q15_t ALIGN4 cos_factorsQ15_128[128] = {
+  0x7fff, 0x7ffa, 0x7ff0, 0x7fe1, 0x7fce, 0x7fb5, 0x7f97, 0x7f75,
+  0x7f4d, 0x7f21, 0x7ef0, 0x7eba, 0x7e7f, 0x7e3f, 0x7dfa, 0x7db0,
+  0x7d62, 0x7d0f, 0x7cb7, 0x7c5a, 0x7bf8, 0x7b92, 0x7b26, 0x7ab6,
+  0x7a42, 0x79c8, 0x794a, 0x78c7, 0x7840, 0x77b4, 0x7723, 0x768e,
+  0x75f4, 0x7555, 0x74b2, 0x740b, 0x735f, 0x72af, 0x71fa, 0x7141,
+  0x7083, 0x6fc1, 0x6efb, 0x6e30, 0x6d62, 0x6c8f, 0x6bb8, 0x6adc,
+  0x69fd, 0x6919, 0x6832, 0x6746, 0x6657, 0x6563, 0x646c, 0x6371,
+  0x6271, 0x616f, 0x6068, 0x5f5e, 0x5e50, 0x5d3e, 0x5c29, 0x5b10,
+  0x59f3, 0x58d4, 0x57b0, 0x568a, 0x5560, 0x5433, 0x5302, 0x51ce,
+  0x5097, 0x4f5e, 0x4e21, 0x4ce1, 0x4b9e, 0x4a58, 0x490f, 0x47c3,
+  0x4675, 0x4524, 0x43d0, 0x427a, 0x4121, 0x3fc5, 0x3e68, 0x3d07,
+  0x3ba5, 0x3a40, 0x38d8, 0x376f, 0x3604, 0x3496, 0x3326, 0x31b5,
+  0x3041, 0x2ecc, 0x2d55, 0x2bdc, 0x2a61, 0x28e5, 0x2767, 0x25e8,
+  0x2467, 0x22e5, 0x2161, 0x1fdc, 0x1e56, 0x1ccf, 0x1b47, 0x19bd,
+  0x1833, 0x16a8, 0x151b, 0x138e, 0x1201, 0x1072, 0xee3, 0xd53,
+  0xbc3, 0xa33, 0x8a2, 0x710, 0x57f, 0x3ed, 0x25b, 0xc9
+};
+
+static const q15_t ALIGN4 cos_factorsQ15_512[512] = {
+  0x7fff, 0x7fff, 0x7fff, 0x7ffe, 0x7ffc, 0x7ffb, 0x7ff9, 0x7ff7,
+  0x7ff4, 0x7ff2, 0x7fee, 0x7feb, 0x7fe7, 0x7fe3, 0x7fdf, 0x7fda,
+  0x7fd6, 0x7fd0, 0x7fcb, 0x7fc5, 0x7fbf, 0x7fb8, 0x7fb1, 0x7faa,
+  0x7fa3, 0x7f9b, 0x7f93, 0x7f8b, 0x7f82, 0x7f79, 0x7f70, 0x7f67,
+  0x7f5d, 0x7f53, 0x7f48, 0x7f3d, 0x7f32, 0x7f27, 0x7f1b, 0x7f0f,
+  0x7f03, 0x7ef6, 0x7ee9, 0x7edc, 0x7ecf, 0x7ec1, 0x7eb3, 0x7ea4,
+  0x7e95, 0x7e86, 0x7e77, 0x7e67, 0x7e57, 0x7e47, 0x7e37, 0x7e26,
+  0x7e14, 0x7e03, 0x7df1, 0x7ddf, 0x7dcd, 0x7dba, 0x7da7, 0x7d94,
+  0x7d80, 0x7d6c, 0x7d58, 0x7d43, 0x7d2f, 0x7d19, 0x7d04, 0x7cee,
+  0x7cd8, 0x7cc2, 0x7cab, 0x7c94, 0x7c7d, 0x7c66, 0x7c4e, 0x7c36,
+  0x7c1d, 0x7c05, 0x7beb, 0x7bd2, 0x7bb9, 0x7b9f, 0x7b84, 0x7b6a,
+  0x7b4f, 0x7b34, 0x7b19, 0x7afd, 0x7ae1, 0x7ac5, 0x7aa8, 0x7a8b,
+  0x7a6e, 0x7a50, 0x7a33, 0x7a15, 0x79f6, 0x79d8, 0x79b9, 0x7999,
+  0x797a, 0x795a, 0x793a, 0x7919, 0x78f9, 0x78d8, 0x78b6, 0x7895,
+  0x7873, 0x7851, 0x782e, 0x780c, 0x77e9, 0x77c5, 0x77a2, 0x777e,
+  0x775a, 0x7735, 0x7710, 0x76eb, 0x76c6, 0x76a0, 0x767b, 0x7654,
+  0x762e, 0x7607, 0x75e0, 0x75b9, 0x7591, 0x7569, 0x7541, 0x7519,
+  0x74f0, 0x74c7, 0x749e, 0x7474, 0x744a, 0x7420, 0x73f6, 0x73cb,
+  0x73a0, 0x7375, 0x7349, 0x731d, 0x72f1, 0x72c5, 0x7298, 0x726b,
+  0x723e, 0x7211, 0x71e3, 0x71b5, 0x7186, 0x7158, 0x7129, 0x70fa,
+  0x70cb, 0x709b, 0x706b, 0x703b, 0x700a, 0x6fda, 0x6fa9, 0x6f77,
+  0x6f46, 0x6f14, 0x6ee2, 0x6eaf, 0x6e7d, 0x6e4a, 0x6e17, 0x6de3,
+  0x6db0, 0x6d7c, 0x6d48, 0x6d13, 0x6cde, 0x6ca9, 0x6c74, 0x6c3f,
+  0x6c09, 0x6bd3, 0x6b9c, 0x6b66, 0x6b2f, 0x6af8, 0x6ac1, 0x6a89,
+  0x6a51, 0x6a19, 0x69e1, 0x69a8, 0x696f, 0x6936, 0x68fd, 0x68c3,
+  0x6889, 0x684f, 0x6815, 0x67da, 0x679f, 0x6764, 0x6729, 0x66ed,
+  0x66b1, 0x6675, 0x6639, 0x65fc, 0x65bf, 0x6582, 0x6545, 0x6507,
+  0x64c9, 0x648b, 0x644d, 0x640e, 0x63cf, 0x6390, 0x6351, 0x6311,
+  0x62d2, 0x6292, 0x6251, 0x6211, 0x61d0, 0x618f, 0x614e, 0x610d,
+  0x60cb, 0x6089, 0x6047, 0x6004, 0x5fc2, 0x5f7f, 0x5f3c, 0x5ef9,
+  0x5eb5, 0x5e71, 0x5e2d, 0x5de9, 0x5da5, 0x5d60, 0x5d1b, 0x5cd6,
+  0x5c91, 0x5c4b, 0x5c06, 0x5bc0, 0x5b79, 0x5b33, 0x5aec, 0x5aa5,
+  0x5a5e, 0x5a17, 0x59d0, 0x5988, 0x5940, 0x58f8, 0x58af, 0x5867,
+  0x581e, 0x57d5, 0x578c, 0x5742, 0x56f9, 0x56af, 0x5665, 0x561a,
+  0x55d0, 0x5585, 0x553a, 0x54ef, 0x54a4, 0x5458, 0x540d, 0x53c1,
+  0x5375, 0x5328, 0x52dc, 0x528f, 0x5242, 0x51f5, 0x51a8, 0x515a,
+  0x510c, 0x50bf, 0x5070, 0x5022, 0x4fd4, 0x4f85, 0x4f36, 0x4ee7,
+  0x4e98, 0x4e48, 0x4df9, 0x4da9, 0x4d59, 0x4d09, 0x4cb8, 0x4c68,
+  0x4c17, 0x4bc6, 0x4b75, 0x4b24, 0x4ad2, 0x4a81, 0x4a2f, 0x49dd,
+  0x498a, 0x4938, 0x48e6, 0x4893, 0x4840, 0x47ed, 0x479a, 0x4746,
+  0x46f3, 0x469f, 0x464b, 0x45f7, 0x45a3, 0x454e, 0x44fa, 0x44a5,
+  0x4450, 0x43fb, 0x43a5, 0x4350, 0x42fa, 0x42a5, 0x424f, 0x41f9,
+  0x41a2, 0x414c, 0x40f6, 0x409f, 0x4048, 0x3ff1, 0x3f9a, 0x3f43,
+  0x3eeb, 0x3e93, 0x3e3c, 0x3de4, 0x3d8c, 0x3d33, 0x3cdb, 0x3c83,
+  0x3c2a, 0x3bd1, 0x3b78, 0x3b1f, 0x3ac6, 0x3a6c, 0x3a13, 0x39b9,
+  0x395f, 0x3906, 0x38ab, 0x3851, 0x37f7, 0x379c, 0x3742, 0x36e7,
+  0x368c, 0x3631, 0x35d6, 0x357b, 0x351f, 0x34c4, 0x3468, 0x340c,
+  0x33b0, 0x3354, 0x32f8, 0x329c, 0x3240, 0x31e3, 0x3186, 0x312a,
+  0x30cd, 0x3070, 0x3013, 0x2fb5, 0x2f58, 0x2efb, 0x2e9d, 0x2e3f,
+  0x2de2, 0x2d84, 0x2d26, 0x2cc8, 0x2c69, 0x2c0b, 0x2bad, 0x2b4e,
+  0x2aef, 0x2a91, 0x2a32, 0x29d3, 0x2974, 0x2915, 0x28b5, 0x2856,
+  0x27f6, 0x2797, 0x2737, 0x26d8, 0x2678, 0x2618, 0x25b8, 0x2558,
+  0x24f7, 0x2497, 0x2437, 0x23d6, 0x2376, 0x2315, 0x22b4, 0x2254,
+  0x21f3, 0x2192, 0x2131, 0x20d0, 0x206e, 0x200d, 0x1fac, 0x1f4a,
+  0x1ee9, 0x1e87, 0x1e25, 0x1dc4, 0x1d62, 0x1d00, 0x1c9e, 0x1c3c,
+  0x1bda, 0x1b78, 0x1b16, 0x1ab3, 0x1a51, 0x19ef, 0x198c, 0x192a,
+  0x18c7, 0x1864, 0x1802, 0x179f, 0x173c, 0x16d9, 0x1676, 0x1613,
+  0x15b0, 0x154d, 0x14ea, 0x1487, 0x1423, 0x13c0, 0x135d, 0x12f9,
+  0x1296, 0x1232, 0x11cf, 0x116b, 0x1108, 0x10a4, 0x1040, 0xfdd,
+  0xf79, 0xf15, 0xeb1, 0xe4d, 0xde9, 0xd85, 0xd21, 0xcbd,
+  0xc59, 0xbf5, 0xb91, 0xb2d, 0xac9, 0xa65, 0xa00, 0x99c,
+  0x938, 0x8d4, 0x86f, 0x80b, 0x7a7, 0x742, 0x6de, 0x67a,
+  0x615, 0x5b1, 0x54c, 0x4e8, 0x483, 0x41f, 0x3ba, 0x356,
+  0x2f1, 0x28d, 0x228, 0x1c4, 0x15f, 0xfb, 0x96, 0x32,
+};
+
+static const q15_t ALIGN4 cos_factorsQ15_2048[2048] = {
+  0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
+  0x7fff, 0x7fff, 0x7ffe, 0x7ffe, 0x7ffe, 0x7ffe, 0x7ffd, 0x7ffd,
+  0x7ffd, 0x7ffd, 0x7ffc, 0x7ffc, 0x7ffb, 0x7ffb, 0x7ffb, 0x7ffa,
+  0x7ffa, 0x7ff9, 0x7ff9, 0x7ff8, 0x7ff8, 0x7ff7, 0x7ff7, 0x7ff6,
+  0x7ff5, 0x7ff5, 0x7ff4, 0x7ff3, 0x7ff3, 0x7ff2, 0x7ff1, 0x7ff0,
+  0x7ff0, 0x7fef, 0x7fee, 0x7fed, 0x7fec, 0x7fec, 0x7feb, 0x7fea,
+  0x7fe9, 0x7fe8, 0x7fe7, 0x7fe6, 0x7fe5, 0x7fe4, 0x7fe3, 0x7fe2,
+  0x7fe1, 0x7fe0, 0x7fdf, 0x7fdd, 0x7fdc, 0x7fdb, 0x7fda, 0x7fd9,
+  0x7fd7, 0x7fd6, 0x7fd5, 0x7fd4, 0x7fd2, 0x7fd1, 0x7fd0, 0x7fce,
+  0x7fcd, 0x7fcb, 0x7fca, 0x7fc9, 0x7fc7, 0x7fc6, 0x7fc4, 0x7fc3,
+  0x7fc1, 0x7fc0, 0x7fbe, 0x7fbc, 0x7fbb, 0x7fb9, 0x7fb7, 0x7fb6,
+  0x7fb4, 0x7fb2, 0x7fb1, 0x7faf, 0x7fad, 0x7fab, 0x7fa9, 0x7fa8,
+  0x7fa6, 0x7fa4, 0x7fa2, 0x7fa0, 0x7f9e, 0x7f9c, 0x7f9a, 0x7f98,
+  0x7f96, 0x7f94, 0x7f92, 0x7f90, 0x7f8e, 0x7f8c, 0x7f8a, 0x7f88,
+  0x7f86, 0x7f83, 0x7f81, 0x7f7f, 0x7f7d, 0x7f7b, 0x7f78, 0x7f76,
+  0x7f74, 0x7f71, 0x7f6f, 0x7f6d, 0x7f6a, 0x7f68, 0x7f65, 0x7f63,
+  0x7f60, 0x7f5e, 0x7f5b, 0x7f59, 0x7f56, 0x7f54, 0x7f51, 0x7f4f,
+  0x7f4c, 0x7f49, 0x7f47, 0x7f44, 0x7f41, 0x7f3f, 0x7f3c, 0x7f39,
+  0x7f36, 0x7f34, 0x7f31, 0x7f2e, 0x7f2b, 0x7f28, 0x7f25, 0x7f23,
+  0x7f20, 0x7f1d, 0x7f1a, 0x7f17, 0x7f14, 0x7f11, 0x7f0e, 0x7f0b,
+  0x7f08, 0x7f04, 0x7f01, 0x7efe, 0x7efb, 0x7ef8, 0x7ef5, 0x7ef1,
+  0x7eee, 0x7eeb, 0x7ee8, 0x7ee4, 0x7ee1, 0x7ede, 0x7eda, 0x7ed7,
+  0x7ed4, 0x7ed0, 0x7ecd, 0x7ec9, 0x7ec6, 0x7ec3, 0x7ebf, 0x7ebb,
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+  0x5b94, 0x5b82, 0x5b71, 0x5b5f, 0x5b4d, 0x5b3c, 0x5b2a, 0x5b19,
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+  0x5680, 0x566e, 0x565b, 0x5649, 0x5636, 0x5624, 0x5611, 0x55fe,
+  0x55ec, 0x55d9, 0x55c7, 0x55b4, 0x55a1, 0x558f, 0x557c, 0x5569,
+  0x5556, 0x5544, 0x5531, 0x551e, 0x550b, 0x54f9, 0x54e6, 0x54d3,
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+  0x5391, 0x537e, 0x536b, 0x5358, 0x5345, 0x5332, 0x531f, 0x530c,
+  0x52f8, 0x52e5, 0x52d2, 0x52bf, 0x52ac, 0x5299, 0x5285, 0x5272,
+  0x525f, 0x524c, 0x5238, 0x5225, 0x5212, 0x51ff, 0x51eb, 0x51d8,
+  0x51c5, 0x51b1, 0x519e, 0x518b, 0x5177, 0x5164, 0x5150, 0x513d,
+  0x512a, 0x5116, 0x5103, 0x50ef, 0x50dc, 0x50c8, 0x50b5, 0x50a1,
+  0x508e, 0x507a, 0x5067, 0x5053, 0x503f, 0x502c, 0x5018, 0x5005,
+  0x4ff1, 0x4fdd, 0x4fca, 0x4fb6, 0x4fa2, 0x4f8f, 0x4f7b, 0x4f67,
+  0x4f54, 0x4f40, 0x4f2c, 0x4f18, 0x4f05, 0x4ef1, 0x4edd, 0x4ec9,
+  0x4eb6, 0x4ea2, 0x4e8e, 0x4e7a, 0x4e66, 0x4e52, 0x4e3e, 0x4e2a,
+  0x4e17, 0x4e03, 0x4def, 0x4ddb, 0x4dc7, 0x4db3, 0x4d9f, 0x4d8b,
+  0x4d77, 0x4d63, 0x4d4f, 0x4d3b, 0x4d27, 0x4d13, 0x4cff, 0x4ceb,
+  0x4cd6, 0x4cc2, 0x4cae, 0x4c9a, 0x4c86, 0x4c72, 0x4c5e, 0x4c49,
+  0x4c35, 0x4c21, 0x4c0d, 0x4bf9, 0x4be4, 0x4bd0, 0x4bbc, 0x4ba8,
+  0x4b93, 0x4b7f, 0x4b6b, 0x4b56, 0x4b42, 0x4b2e, 0x4b19, 0x4b05,
+  0x4af1, 0x4adc, 0x4ac8, 0x4ab4, 0x4a9f, 0x4a8b, 0x4a76, 0x4a62,
+  0x4a4d, 0x4a39, 0x4a24, 0x4a10, 0x49fb, 0x49e7, 0x49d2, 0x49be,
+  0x49a9, 0x4995, 0x4980, 0x496c, 0x4957, 0x4942, 0x492e, 0x4919,
+  0x4905, 0x48f0, 0x48db, 0x48c7, 0x48b2, 0x489d, 0x4888, 0x4874,
+  0x485f, 0x484a, 0x4836, 0x4821, 0x480c, 0x47f7, 0x47e2, 0x47ce,
+  0x47b9, 0x47a4, 0x478f, 0x477a, 0x4765, 0x4751, 0x473c, 0x4727,
+  0x4712, 0x46fd, 0x46e8, 0x46d3, 0x46be, 0x46a9, 0x4694, 0x467f,
+  0x466a, 0x4655, 0x4640, 0x462b, 0x4616, 0x4601, 0x45ec, 0x45d7,
+  0x45c2, 0x45ad, 0x4598, 0x4583, 0x456e, 0x4559, 0x4544, 0x452e,
+  0x4519, 0x4504, 0x44ef, 0x44da, 0x44c5, 0x44af, 0x449a, 0x4485,
+  0x4470, 0x445a, 0x4445, 0x4430, 0x441b, 0x4405, 0x43f0, 0x43db,
+  0x43c5, 0x43b0, 0x439b, 0x4385, 0x4370, 0x435b, 0x4345, 0x4330,
+  0x431b, 0x4305, 0x42f0, 0x42da, 0x42c5, 0x42af, 0x429a, 0x4284,
+  0x426f, 0x425a, 0x4244, 0x422f, 0x4219, 0x4203, 0x41ee, 0x41d8,
+  0x41c3, 0x41ad, 0x4198, 0x4182, 0x416d, 0x4157, 0x4141, 0x412c,
+  0x4116, 0x4100, 0x40eb, 0x40d5, 0x40bf, 0x40aa, 0x4094, 0x407e,
+  0x4069, 0x4053, 0x403d, 0x4027, 0x4012, 0x3ffc, 0x3fe6, 0x3fd0,
+  0x3fbb, 0x3fa5, 0x3f8f, 0x3f79, 0x3f63, 0x3f4d, 0x3f38, 0x3f22,
+  0x3f0c, 0x3ef6, 0x3ee0, 0x3eca, 0x3eb4, 0x3e9e, 0x3e88, 0x3e73,
+  0x3e5d, 0x3e47, 0x3e31, 0x3e1b, 0x3e05, 0x3def, 0x3dd9, 0x3dc3,
+  0x3dad, 0x3d97, 0x3d81, 0x3d6b, 0x3d55, 0x3d3e, 0x3d28, 0x3d12,
+  0x3cfc, 0x3ce6, 0x3cd0, 0x3cba, 0x3ca4, 0x3c8e, 0x3c77, 0x3c61,
+  0x3c4b, 0x3c35, 0x3c1f, 0x3c09, 0x3bf2, 0x3bdc, 0x3bc6, 0x3bb0,
+  0x3b99, 0x3b83, 0x3b6d, 0x3b57, 0x3b40, 0x3b2a, 0x3b14, 0x3afe,
+  0x3ae7, 0x3ad1, 0x3abb, 0x3aa4, 0x3a8e, 0x3a78, 0x3a61, 0x3a4b,
+  0x3a34, 0x3a1e, 0x3a08, 0x39f1, 0x39db, 0x39c4, 0x39ae, 0x3998,
+  0x3981, 0x396b, 0x3954, 0x393e, 0x3927, 0x3911, 0x38fa, 0x38e4,
+  0x38cd, 0x38b7, 0x38a0, 0x388a, 0x3873, 0x385d, 0x3846, 0x382f,
+  0x3819, 0x3802, 0x37ec, 0x37d5, 0x37be, 0x37a8, 0x3791, 0x377a,
+  0x3764, 0x374d, 0x3736, 0x3720, 0x3709, 0x36f2, 0x36dc, 0x36c5,
+  0x36ae, 0x3698, 0x3681, 0x366a, 0x3653, 0x363d, 0x3626, 0x360f,
+  0x35f8, 0x35e1, 0x35cb, 0x35b4, 0x359d, 0x3586, 0x356f, 0x3558,
+  0x3542, 0x352b, 0x3514, 0x34fd, 0x34e6, 0x34cf, 0x34b8, 0x34a1,
+  0x348b, 0x3474, 0x345d, 0x3446, 0x342f, 0x3418, 0x3401, 0x33ea,
+  0x33d3, 0x33bc, 0x33a5, 0x338e, 0x3377, 0x3360, 0x3349, 0x3332,
+  0x331b, 0x3304, 0x32ed, 0x32d6, 0x32bf, 0x32a8, 0x3290, 0x3279,
+  0x3262, 0x324b, 0x3234, 0x321d, 0x3206, 0x31ef, 0x31d8, 0x31c0,
+  0x31a9, 0x3192, 0x317b, 0x3164, 0x314c, 0x3135, 0x311e, 0x3107,
+  0x30f0, 0x30d8, 0x30c1, 0x30aa, 0x3093, 0x307b, 0x3064, 0x304d,
+  0x3036, 0x301e, 0x3007, 0x2ff0, 0x2fd8, 0x2fc1, 0x2faa, 0x2f92,
+  0x2f7b, 0x2f64, 0x2f4c, 0x2f35, 0x2f1e, 0x2f06, 0x2eef, 0x2ed8,
+  0x2ec0, 0x2ea9, 0x2e91, 0x2e7a, 0x2e63, 0x2e4b, 0x2e34, 0x2e1c,
+  0x2e05, 0x2ded, 0x2dd6, 0x2dbe, 0x2da7, 0x2d8f, 0x2d78, 0x2d60,
+  0x2d49, 0x2d31, 0x2d1a, 0x2d02, 0x2ceb, 0x2cd3, 0x2cbc, 0x2ca4,
+  0x2c8d, 0x2c75, 0x2c5e, 0x2c46, 0x2c2e, 0x2c17, 0x2bff, 0x2be8,
+  0x2bd0, 0x2bb8, 0x2ba1, 0x2b89, 0x2b71, 0x2b5a, 0x2b42, 0x2b2b,
+  0x2b13, 0x2afb, 0x2ae4, 0x2acc, 0x2ab4, 0x2a9c, 0x2a85, 0x2a6d,
+  0x2a55, 0x2a3e, 0x2a26, 0x2a0e, 0x29f6, 0x29df, 0x29c7, 0x29af,
+  0x2997, 0x2980, 0x2968, 0x2950, 0x2938, 0x2920, 0x2909, 0x28f1,
+  0x28d9, 0x28c1, 0x28a9, 0x2892, 0x287a, 0x2862, 0x284a, 0x2832,
+  0x281a, 0x2802, 0x27eb, 0x27d3, 0x27bb, 0x27a3, 0x278b, 0x2773,
+  0x275b, 0x2743, 0x272b, 0x2713, 0x26fb, 0x26e4, 0x26cc, 0x26b4,
+  0x269c, 0x2684, 0x266c, 0x2654, 0x263c, 0x2624, 0x260c, 0x25f4,
+  0x25dc, 0x25c4, 0x25ac, 0x2594, 0x257c, 0x2564, 0x254c, 0x2534,
+  0x251c, 0x2503, 0x24eb, 0x24d3, 0x24bb, 0x24a3, 0x248b, 0x2473,
+  0x245b, 0x2443, 0x242b, 0x2413, 0x23fa, 0x23e2, 0x23ca, 0x23b2,
+  0x239a, 0x2382, 0x236a, 0x2352, 0x2339, 0x2321, 0x2309, 0x22f1,
+  0x22d9, 0x22c0, 0x22a8, 0x2290, 0x2278, 0x2260, 0x2247, 0x222f,
+  0x2217, 0x21ff, 0x21e7, 0x21ce, 0x21b6, 0x219e, 0x2186, 0x216d,
+  0x2155, 0x213d, 0x2125, 0x210c, 0x20f4, 0x20dc, 0x20c3, 0x20ab,
+  0x2093, 0x207a, 0x2062, 0x204a, 0x2032, 0x2019, 0x2001, 0x1fe9,
+  0x1fd0, 0x1fb8, 0x1f9f, 0x1f87, 0x1f6f, 0x1f56, 0x1f3e, 0x1f26,
+  0x1f0d, 0x1ef5, 0x1edd, 0x1ec4, 0x1eac, 0x1e93, 0x1e7b, 0x1e62,
+  0x1e4a, 0x1e32, 0x1e19, 0x1e01, 0x1de8, 0x1dd0, 0x1db7, 0x1d9f,
+  0x1d87, 0x1d6e, 0x1d56, 0x1d3d, 0x1d25, 0x1d0c, 0x1cf4, 0x1cdb,
+  0x1cc3, 0x1caa, 0x1c92, 0x1c79, 0x1c61, 0x1c48, 0x1c30, 0x1c17,
+  0x1bff, 0x1be6, 0x1bce, 0x1bb5, 0x1b9d, 0x1b84, 0x1b6c, 0x1b53,
+  0x1b3a, 0x1b22, 0x1b09, 0x1af1, 0x1ad8, 0x1ac0, 0x1aa7, 0x1a8e,
+  0x1a76, 0x1a5d, 0x1a45, 0x1a2c, 0x1a13, 0x19fb, 0x19e2, 0x19ca,
+  0x19b1, 0x1998, 0x1980, 0x1967, 0x194e, 0x1936, 0x191d, 0x1905,
+  0x18ec, 0x18d3, 0x18bb, 0x18a2, 0x1889, 0x1871, 0x1858, 0x183f,
+  0x1827, 0x180e, 0x17f5, 0x17dd, 0x17c4, 0x17ab, 0x1792, 0x177a,
+  0x1761, 0x1748, 0x1730, 0x1717, 0x16fe, 0x16e5, 0x16cd, 0x16b4,
+  0x169b, 0x1682, 0x166a, 0x1651, 0x1638, 0x161f, 0x1607, 0x15ee,
+  0x15d5, 0x15bc, 0x15a4, 0x158b, 0x1572, 0x1559, 0x1541, 0x1528,
+  0x150f, 0x14f6, 0x14dd, 0x14c5, 0x14ac, 0x1493, 0x147a, 0x1461,
+  0x1449, 0x1430, 0x1417, 0x13fe, 0x13e5, 0x13cc, 0x13b4, 0x139b,
+  0x1382, 0x1369, 0x1350, 0x1337, 0x131f, 0x1306, 0x12ed, 0x12d4,
+  0x12bb, 0x12a2, 0x1289, 0x1271, 0x1258, 0x123f, 0x1226, 0x120d,
+  0x11f4, 0x11db, 0x11c2, 0x11a9, 0x1191, 0x1178, 0x115f, 0x1146,
+  0x112d, 0x1114, 0x10fb, 0x10e2, 0x10c9, 0x10b0, 0x1098, 0x107f,
+  0x1066, 0x104d, 0x1034, 0x101b, 0x1002, 0xfe9, 0xfd0, 0xfb7,
+  0xf9e, 0xf85, 0xf6c, 0xf53, 0xf3a, 0xf21, 0xf08, 0xef0,
+  0xed7, 0xebe, 0xea5, 0xe8c, 0xe73, 0xe5a, 0xe41, 0xe28,
+  0xe0f, 0xdf6, 0xddd, 0xdc4, 0xdab, 0xd92, 0xd79, 0xd60,
+  0xd47, 0xd2e, 0xd15, 0xcfc, 0xce3, 0xcca, 0xcb1, 0xc98,
+  0xc7f, 0xc66, 0xc4d, 0xc34, 0xc1b, 0xc02, 0xbe9, 0xbd0,
+  0xbb7, 0xb9e, 0xb85, 0xb6c, 0xb53, 0xb3a, 0xb20, 0xb07,
+  0xaee, 0xad5, 0xabc, 0xaa3, 0xa8a, 0xa71, 0xa58, 0xa3f,
+  0xa26, 0xa0d, 0x9f4, 0x9db, 0x9c2, 0x9a9, 0x990, 0x977,
+  0x95e, 0x944, 0x92b, 0x912, 0x8f9, 0x8e0, 0x8c7, 0x8ae,
+  0x895, 0x87c, 0x863, 0x84a, 0x831, 0x818, 0x7fe, 0x7e5,
+  0x7cc, 0x7b3, 0x79a, 0x781, 0x768, 0x74f, 0x736, 0x71d,
+  0x704, 0x6ea, 0x6d1, 0x6b8, 0x69f, 0x686, 0x66d, 0x654,
+  0x63b, 0x622, 0x609, 0x5ef, 0x5d6, 0x5bd, 0x5a4, 0x58b,
+  0x572, 0x559, 0x540, 0x527, 0x50d, 0x4f4, 0x4db, 0x4c2,
+  0x4a9, 0x490, 0x477, 0x45e, 0x445, 0x42b, 0x412, 0x3f9,
+  0x3e0, 0x3c7, 0x3ae, 0x395, 0x37c, 0x362, 0x349, 0x330,
+  0x317, 0x2fe, 0x2e5, 0x2cc, 0x2b3, 0x299, 0x280, 0x267,
+  0x24e, 0x235, 0x21c, 0x203, 0x1ea, 0x1d0, 0x1b7, 0x19e,
+  0x185, 0x16c, 0x153, 0x13a, 0x121, 0x107, 0xee, 0xd5,
+  0xbc, 0xa3, 0x8a, 0x71, 0x57, 0x3e, 0x25, 0xc,
+
+};
+
+static const q15_t ALIGN4 cos_factorsQ15_8192[8192] = {
+  0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
+  0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
+  0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
+  0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
+  0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
+  0x7fff, 0x7ffe, 0x7ffe, 0x7ffe, 0x7ffe, 0x7ffe, 0x7ffe, 0x7ffe,
+  0x7ffe, 0x7ffe, 0x7ffe, 0x7ffe, 0x7ffe, 0x7ffe, 0x7ffe, 0x7ffe,
+  0x7ffe, 0x7ffe, 0x7ffd, 0x7ffd, 0x7ffd, 0x7ffd, 0x7ffd, 0x7ffd,
+  0x7ffd, 0x7ffd, 0x7ffd, 0x7ffd, 0x7ffd, 0x7ffd, 0x7ffd, 0x7ffc,
+  0x7ffc, 0x7ffc, 0x7ffc, 0x7ffc, 0x7ffc, 0x7ffc, 0x7ffc, 0x7ffc,
+  0x7ffc, 0x7ffb, 0x7ffb, 0x7ffb, 0x7ffb, 0x7ffb, 0x7ffb, 0x7ffb,
+  0x7ffb, 0x7ffb, 0x7ffb, 0x7ffa, 0x7ffa, 0x7ffa, 0x7ffa, 0x7ffa,
+  0x7ffa, 0x7ffa, 0x7ffa, 0x7ffa, 0x7ff9, 0x7ff9, 0x7ff9, 0x7ff9,
+  0x7ff9, 0x7ff9, 0x7ff9, 0x7ff9, 0x7ff8, 0x7ff8, 0x7ff8, 0x7ff8,
+  0x7ff8, 0x7ff8, 0x7ff8, 0x7ff7, 0x7ff7, 0x7ff7, 0x7ff7, 0x7ff7,
+  0x7ff7, 0x7ff7, 0x7ff6, 0x7ff6, 0x7ff6, 0x7ff6, 0x7ff6, 0x7ff6,
+  0x7ff6, 0x7ff5, 0x7ff5, 0x7ff5, 0x7ff5, 0x7ff5, 0x7ff5, 0x7ff4,
+  0x7ff4, 0x7ff4, 0x7ff4, 0x7ff4, 0x7ff4, 0x7ff3, 0x7ff3, 0x7ff3,
+  0x7ff3, 0x7ff3, 0x7ff3, 0x7ff2, 0x7ff2, 0x7ff2, 0x7ff2, 0x7ff2,
+  0x7ff1, 0x7ff1, 0x7ff1, 0x7ff1, 0x7ff1, 0x7ff1, 0x7ff0, 0x7ff0,
+  0x7ff0, 0x7ff0, 0x7ff0, 0x7fef, 0x7fef, 0x7fef, 0x7fef, 0x7fef,
+  0x7fee, 0x7fee, 0x7fee, 0x7fee, 0x7fee, 0x7fed, 0x7fed, 0x7fed,
+  0x7fed, 0x7fed, 0x7fec, 0x7fec, 0x7fec, 0x7fec, 0x7feb, 0x7feb,
+  0x7feb, 0x7feb, 0x7feb, 0x7fea, 0x7fea, 0x7fea, 0x7fea, 0x7fe9,
+  0x7fe9, 0x7fe9, 0x7fe9, 0x7fe8, 0x7fe8, 0x7fe8, 0x7fe8, 0x7fe8,
+  0x7fe7, 0x7fe7, 0x7fe7, 0x7fe7, 0x7fe6, 0x7fe6, 0x7fe6, 0x7fe6,
+  0x7fe5, 0x7fe5, 0x7fe5, 0x7fe5, 0x7fe4, 0x7fe4, 0x7fe4, 0x7fe4,
+  0x7fe3, 0x7fe3, 0x7fe3, 0x7fe2, 0x7fe2, 0x7fe2, 0x7fe2, 0x7fe1,
+  0x7fe1, 0x7fe1, 0x7fe1, 0x7fe0, 0x7fe0, 0x7fe0, 0x7fdf, 0x7fdf,
+  0x7fdf, 0x7fdf, 0x7fde, 0x7fde, 0x7fde, 0x7fde, 0x7fdd, 0x7fdd,
+  0x7fdd, 0x7fdc, 0x7fdc, 0x7fdc, 0x7fdb, 0x7fdb, 0x7fdb, 0x7fdb,
+  0x7fda, 0x7fda, 0x7fda, 0x7fd9, 0x7fd9, 0x7fd9, 0x7fd8, 0x7fd8,
+  0x7fd8, 0x7fd8, 0x7fd7, 0x7fd7, 0x7fd7, 0x7fd6, 0x7fd6, 0x7fd6,
+  0x7fd5, 0x7fd5, 0x7fd5, 0x7fd4, 0x7fd4, 0x7fd4, 0x7fd3, 0x7fd3,
+  0x7fd3, 0x7fd2, 0x7fd2, 0x7fd2, 0x7fd1, 0x7fd1, 0x7fd1, 0x7fd0,
+  0x7fd0, 0x7fd0, 0x7fcf, 0x7fcf, 0x7fcf, 0x7fce, 0x7fce, 0x7fce,
+  0x7fcd, 0x7fcd, 0x7fcd, 0x7fcc, 0x7fcc, 0x7fcc, 0x7fcb, 0x7fcb,
+  0x7fcb, 0x7fca, 0x7fca, 0x7fc9, 0x7fc9, 0x7fc9, 0x7fc8, 0x7fc8,
+  0x7fc8, 0x7fc7, 0x7fc7, 0x7fc7, 0x7fc6, 0x7fc6, 0x7fc5, 0x7fc5,
+  0x7fc5, 0x7fc4, 0x7fc4, 0x7fc4, 0x7fc3, 0x7fc3, 0x7fc2, 0x7fc2,
+  0x7fc2, 0x7fc1, 0x7fc1, 0x7fc0, 0x7fc0, 0x7fc0, 0x7fbf, 0x7fbf,
+  0x7fbf, 0x7fbe, 0x7fbe, 0x7fbd, 0x7fbd, 0x7fbd, 0x7fbc, 0x7fbc,
+  0x7fbb, 0x7fbb, 0x7fbb, 0x7fba, 0x7fba, 0x7fb9, 0x7fb9, 0x7fb8,
+  0x7fb8, 0x7fb8, 0x7fb7, 0x7fb7, 0x7fb6, 0x7fb6, 0x7fb6, 0x7fb5,
+  0x7fb5, 0x7fb4, 0x7fb4, 0x7fb3, 0x7fb3, 0x7fb3, 0x7fb2, 0x7fb2,
+  0x7fb1, 0x7fb1, 0x7fb0, 0x7fb0, 0x7faf, 0x7faf, 0x7faf, 0x7fae,
+  0x7fae, 0x7fad, 0x7fad, 0x7fac, 0x7fac, 0x7fac, 0x7fab, 0x7fab,
+  0x7faa, 0x7faa, 0x7fa9, 0x7fa9, 0x7fa8, 0x7fa8, 0x7fa7, 0x7fa7,
+  0x7fa6, 0x7fa6, 0x7fa6, 0x7fa5, 0x7fa5, 0x7fa4, 0x7fa4, 0x7fa3,
+  0x7fa3, 0x7fa2, 0x7fa2, 0x7fa1, 0x7fa1, 0x7fa0, 0x7fa0, 0x7f9f,
+  0x7f9f, 0x7f9e, 0x7f9e, 0x7f9d, 0x7f9d, 0x7f9c, 0x7f9c, 0x7f9c,
+  0x7f9b, 0x7f9b, 0x7f9a, 0x7f9a, 0x7f99, 0x7f99, 0x7f98, 0x7f98,
+  0x7f97, 0x7f97, 0x7f96, 0x7f96, 0x7f95, 0x7f95, 0x7f94, 0x7f94,
+  0x7f93, 0x7f92, 0x7f92, 0x7f91, 0x7f91, 0x7f90, 0x7f90, 0x7f8f,
+  0x7f8f, 0x7f8e, 0x7f8e, 0x7f8d, 0x7f8d, 0x7f8c, 0x7f8c, 0x7f8b,
+  0x7f8b, 0x7f8a, 0x7f8a, 0x7f89, 0x7f89, 0x7f88, 0x7f87, 0x7f87,
+  0x7f86, 0x7f86, 0x7f85, 0x7f85, 0x7f84, 0x7f84, 0x7f83, 0x7f83,
+  0x7f82, 0x7f81, 0x7f81, 0x7f80, 0x7f80, 0x7f7f, 0x7f7f, 0x7f7e,
+  0x7f7e, 0x7f7d, 0x7f7c, 0x7f7c, 0x7f7b, 0x7f7b, 0x7f7a, 0x7f7a,
+  0x7f79, 0x7f79, 0x7f78, 0x7f77, 0x7f77, 0x7f76, 0x7f76, 0x7f75,
+  0x7f75, 0x7f74, 0x7f73, 0x7f73, 0x7f72, 0x7f72, 0x7f71, 0x7f70,
+  0x7f70, 0x7f6f, 0x7f6f, 0x7f6e, 0x7f6d, 0x7f6d, 0x7f6c, 0x7f6c,
+  0x7f6b, 0x7f6b, 0x7f6a, 0x7f69, 0x7f69, 0x7f68, 0x7f68, 0x7f67,
+  0x7f66, 0x7f66, 0x7f65, 0x7f64, 0x7f64, 0x7f63, 0x7f63, 0x7f62,
+  0x7f61, 0x7f61, 0x7f60, 0x7f60, 0x7f5f, 0x7f5e, 0x7f5e, 0x7f5d,
+  0x7f5c, 0x7f5c, 0x7f5b, 0x7f5b, 0x7f5a, 0x7f59, 0x7f59, 0x7f58,
+  0x7f57, 0x7f57, 0x7f56, 0x7f55, 0x7f55, 0x7f54, 0x7f54, 0x7f53,
+  0x7f52, 0x7f52, 0x7f51, 0x7f50, 0x7f50, 0x7f4f, 0x7f4e, 0x7f4e,
+  0x7f4d, 0x7f4c, 0x7f4c, 0x7f4b, 0x7f4a, 0x7f4a, 0x7f49, 0x7f48,
+  0x7f48, 0x7f47, 0x7f46, 0x7f46, 0x7f45, 0x7f44, 0x7f44, 0x7f43,
+  0x7f42, 0x7f42, 0x7f41, 0x7f40, 0x7f40, 0x7f3f, 0x7f3e, 0x7f3e,
+  0x7f3d, 0x7f3c, 0x7f3c, 0x7f3b, 0x7f3a, 0x7f3a, 0x7f39, 0x7f38,
+  0x7f37, 0x7f37, 0x7f36, 0x7f35, 0x7f35, 0x7f34, 0x7f33, 0x7f33,
+  0x7f32, 0x7f31, 0x7f31, 0x7f30, 0x7f2f, 0x7f2e, 0x7f2e, 0x7f2d,
+  0x7f2c, 0x7f2c, 0x7f2b, 0x7f2a, 0x7f29, 0x7f29, 0x7f28, 0x7f27,
+  0x7f27, 0x7f26, 0x7f25, 0x7f24, 0x7f24, 0x7f23, 0x7f22, 0x7f21,
+  0x7f21, 0x7f20, 0x7f1f, 0x7f1f, 0x7f1e, 0x7f1d, 0x7f1c, 0x7f1c,
+  0x7f1b, 0x7f1a, 0x7f19, 0x7f19, 0x7f18, 0x7f17, 0x7f16, 0x7f16,
+  0x7f15, 0x7f14, 0x7f13, 0x7f13, 0x7f12, 0x7f11, 0x7f10, 0x7f10,
+  0x7f0f, 0x7f0e, 0x7f0d, 0x7f0d, 0x7f0c, 0x7f0b, 0x7f0a, 0x7f09,
+  0x7f09, 0x7f08, 0x7f07, 0x7f06, 0x7f06, 0x7f05, 0x7f04, 0x7f03,
+  0x7f02, 0x7f02, 0x7f01, 0x7f00, 0x7eff, 0x7eff, 0x7efe, 0x7efd,
+  0x7efc, 0x7efb, 0x7efb, 0x7efa, 0x7ef9, 0x7ef8, 0x7ef7, 0x7ef7,
+  0x7ef6, 0x7ef5, 0x7ef4, 0x7ef3, 0x7ef3, 0x7ef2, 0x7ef1, 0x7ef0,
+  0x7eef, 0x7eef, 0x7eee, 0x7eed, 0x7eec, 0x7eeb, 0x7eeb, 0x7eea,
+  0x7ee9, 0x7ee8, 0x7ee7, 0x7ee6, 0x7ee6, 0x7ee5, 0x7ee4, 0x7ee3,
+  0x7ee2, 0x7ee2, 0x7ee1, 0x7ee0, 0x7edf, 0x7ede, 0x7edd, 0x7edd,
+  0x7edc, 0x7edb, 0x7eda, 0x7ed9, 0x7ed8, 0x7ed8, 0x7ed7, 0x7ed6,
+  0x7ed5, 0x7ed4, 0x7ed3, 0x7ed2, 0x7ed2, 0x7ed1, 0x7ed0, 0x7ecf,
+  0x7ece, 0x7ecd, 0x7ecc, 0x7ecc, 0x7ecb, 0x7eca, 0x7ec9, 0x7ec8,
+  0x7ec7, 0x7ec6, 0x7ec6, 0x7ec5, 0x7ec4, 0x7ec3, 0x7ec2, 0x7ec1,
+  0x7ec0, 0x7ebf, 0x7ebf, 0x7ebe, 0x7ebd, 0x7ebc, 0x7ebb, 0x7eba,
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+  0x7e02, 0x7e01, 0x7e00, 0x7dff, 0x7dfe, 0x7dfd, 0x7dfc, 0x7dfb,
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+  0x7ab5, 0x7ab4, 0x7ab2, 0x7ab0, 0x7aae, 0x7aac, 0x7aab, 0x7aa9,
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+  0x7a5e, 0x7a5c, 0x7a5b, 0x7a59, 0x7a57, 0x7a55, 0x7a53, 0x7a51,
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+  0x7a41, 0x7a3f, 0x7a3d, 0x7a3b, 0x7a39, 0x7a37, 0x7a35, 0x7a34,
+  0x7a32, 0x7a30, 0x7a2e, 0x7a2c, 0x7a2a, 0x7a28, 0x7a26, 0x7a25,
+  0x7a23, 0x7a21, 0x7a1f, 0x7a1d, 0x7a1b, 0x7a19, 0x7a17, 0x7a16,
+  0x7a14, 0x7a12, 0x7a10, 0x7a0e, 0x7a0c, 0x7a0a, 0x7a08, 0x7a06,
+  0x7a04, 0x7a03, 0x7a01, 0x79ff, 0x79fd, 0x79fb, 0x79f9, 0x79f7,
+  0x79f5, 0x79f3, 0x79f1, 0x79f0, 0x79ee, 0x79ec, 0x79ea, 0x79e8,
+  0x79e6, 0x79e4, 0x79e2, 0x79e0, 0x79de, 0x79dc, 0x79da, 0x79d9,
+  0x79d7, 0x79d5, 0x79d3, 0x79d1, 0x79cf, 0x79cd, 0x79cb, 0x79c9,
+  0x79c7, 0x79c5, 0x79c3, 0x79c1, 0x79bf, 0x79bd, 0x79bc, 0x79ba,
+  0x79b8, 0x79b6, 0x79b4, 0x79b2, 0x79b0, 0x79ae, 0x79ac, 0x79aa,
+  0x79a8, 0x79a6, 0x79a4, 0x79a2, 0x79a0, 0x799e, 0x799c, 0x799a,
+  0x7998, 0x7996, 0x7994, 0x7992, 0x7991, 0x798f, 0x798d, 0x798b,
+  0x7989, 0x7987, 0x7985, 0x7983, 0x7981, 0x797f, 0x797d, 0x797b,
+  0x7979, 0x7977, 0x7975, 0x7973, 0x7971, 0x796f, 0x796d, 0x796b,
+  0x7969, 0x7967, 0x7965, 0x7963, 0x7961, 0x795f, 0x795d, 0x795b,
+  0x7959, 0x7957, 0x7955, 0x7953, 0x7951, 0x794f, 0x794d, 0x794b,
+  0x7949, 0x7947, 0x7945, 0x7943, 0x7941, 0x793f, 0x793d, 0x793b,
+  0x7939, 0x7937, 0x7935, 0x7933, 0x7931, 0x792f, 0x792d, 0x792b,
+  0x7929, 0x7927, 0x7925, 0x7923, 0x7921, 0x791f, 0x791d, 0x791a,
+  0x7918, 0x7916, 0x7914, 0x7912, 0x7910, 0x790e, 0x790c, 0x790a,
+  0x7908, 0x7906, 0x7904, 0x7902, 0x7900, 0x78fe, 0x78fc, 0x78fa,
+  0x78f8, 0x78f6, 0x78f4, 0x78f2, 0x78f0, 0x78ed, 0x78eb, 0x78e9,
+  0x78e7, 0x78e5, 0x78e3, 0x78e1, 0x78df, 0x78dd, 0x78db, 0x78d9,
+  0x78d7, 0x78d5, 0x78d3, 0x78d1, 0x78ce, 0x78cc, 0x78ca, 0x78c8,
+  0x78c6, 0x78c4, 0x78c2, 0x78c0, 0x78be, 0x78bc, 0x78ba, 0x78b8,
+  0x78b5, 0x78b3, 0x78b1, 0x78af, 0x78ad, 0x78ab, 0x78a9, 0x78a7,
+  0x78a5, 0x78a3, 0x78a0, 0x789e, 0x789c, 0x789a, 0x7898, 0x7896,
+  0x7894, 0x7892, 0x7890, 0x788e, 0x788b, 0x7889, 0x7887, 0x7885,
+  0x7883, 0x7881, 0x787f, 0x787d, 0x787a, 0x7878, 0x7876, 0x7874,
+  0x7872, 0x7870, 0x786e, 0x786c, 0x7869, 0x7867, 0x7865, 0x7863,
+  0x7861, 0x785f, 0x785d, 0x785b, 0x7858, 0x7856, 0x7854, 0x7852,
+  0x7850, 0x784e, 0x784c, 0x7849, 0x7847, 0x7845, 0x7843, 0x7841,
+  0x783f, 0x783c, 0x783a, 0x7838, 0x7836, 0x7834, 0x7832, 0x7830,
+  0x782d, 0x782b, 0x7829, 0x7827, 0x7825, 0x7823, 0x7820, 0x781e,
+  0x781c, 0x781a, 0x7818, 0x7816, 0x7813, 0x7811, 0x780f, 0x780d,
+  0x780b, 0x7808, 0x7806, 0x7804, 0x7802, 0x7800, 0x77fe, 0x77fb,
+  0x77f9, 0x77f7, 0x77f5, 0x77f3, 0x77f0, 0x77ee, 0x77ec, 0x77ea,
+  0x77e8, 0x77e5, 0x77e3, 0x77e1, 0x77df, 0x77dd, 0x77da, 0x77d8,
+  0x77d6, 0x77d4, 0x77d2, 0x77cf, 0x77cd, 0x77cb, 0x77c9, 0x77c6,
+  0x77c4, 0x77c2, 0x77c0, 0x77be, 0x77bb, 0x77b9, 0x77b7, 0x77b5,
+  0x77b2, 0x77b0, 0x77ae, 0x77ac, 0x77aa, 0x77a7, 0x77a5, 0x77a3,
+  0x77a1, 0x779e, 0x779c, 0x779a, 0x7798, 0x7795, 0x7793, 0x7791,
+  0x778f, 0x778c, 0x778a, 0x7788, 0x7786, 0x7783, 0x7781, 0x777f,
+  0x777d, 0x777a, 0x7778, 0x7776, 0x7774, 0x7771, 0x776f, 0x776d,
+  0x776b, 0x7768, 0x7766, 0x7764, 0x7762, 0x775f, 0x775d, 0x775b,
+  0x7759, 0x7756, 0x7754, 0x7752, 0x774f, 0x774d, 0x774b, 0x7749,
+  0x7746, 0x7744, 0x7742, 0x773f, 0x773d, 0x773b, 0x7739, 0x7736,
+  0x7734, 0x7732, 0x772f, 0x772d, 0x772b, 0x7729, 0x7726, 0x7724,
+  0x7722, 0x771f, 0x771d, 0x771b, 0x7719, 0x7716, 0x7714, 0x7712,
+  0x770f, 0x770d, 0x770b, 0x7708, 0x7706, 0x7704, 0x7701, 0x76ff,
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+  0x4ee5, 0x4ee0, 0x4edb, 0x4ed6, 0x4ed1, 0x4ecc, 0x4ec7, 0x4ec2,
+  0x4ebd, 0x4eb8, 0x4eb3, 0x4eae, 0x4ea9, 0x4ea4, 0x4e9f, 0x4e9a,
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+  0x4dce, 0x4dc9, 0x4dc4, 0x4dbf, 0x4dba, 0x4db5, 0x4db0, 0x4dab,
+  0x4da6, 0x4da1, 0x4d9c, 0x4d97, 0x4d92, 0x4d8d, 0x4d88, 0x4d83,
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+  0x4cde, 0x4cd9, 0x4cd4, 0x4ccf, 0x4cca, 0x4cc5, 0x4cc0, 0x4cbb,
+  0x4cb6, 0x4cb1, 0x4cac, 0x4ca7, 0x4ca2, 0x4c9d, 0x4c98, 0x4c93,
+  0x4c8e, 0x4c88, 0x4c83, 0x4c7e, 0x4c79, 0x4c74, 0x4c6f, 0x4c6a,
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+  0x4bec, 0x4be7, 0x4be2, 0x4bdd, 0x4bd8, 0x4bd3, 0x4bce, 0x4bc9,
+  0x4bc4, 0x4bbe, 0x4bb9, 0x4bb4, 0x4baf, 0x4baa, 0x4ba5, 0x4ba0,
+  0x4b9b, 0x4b96, 0x4b91, 0x4b8c, 0x4b87, 0x4b82, 0x4b7d, 0x4b77,
+  0x4b72, 0x4b6d, 0x4b68, 0x4b63, 0x4b5e, 0x4b59, 0x4b54, 0x4b4f,
+  0x4b4a, 0x4b45, 0x4b40, 0x4b3b, 0x4b35, 0x4b30, 0x4b2b, 0x4b26,
+  0x4b21, 0x4b1c, 0x4b17, 0x4b12, 0x4b0d, 0x4b08, 0x4b03, 0x4afd,
+  0x4af8, 0x4af3, 0x4aee, 0x4ae9, 0x4ae4, 0x4adf, 0x4ada, 0x4ad5,
+  0x4ad0, 0x4acb, 0x4ac5, 0x4ac0, 0x4abb, 0x4ab6, 0x4ab1, 0x4aac,
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+  0x4a7e, 0x4a79, 0x4a74, 0x4a6f, 0x4a6a, 0x4a64, 0x4a5f, 0x4a5a,
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+  0x48e3, 0x48de, 0x48d9, 0x48d3, 0x48ce, 0x48c9, 0x48c4, 0x48bf,
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+  0x47c1, 0x47bb, 0x47b6, 0x47b1, 0x47ac, 0x47a7, 0x47a1, 0x479c,
+  0x4797, 0x4792, 0x478d, 0x4787, 0x4782, 0x477d, 0x4778, 0x4773,
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+  0x44cd, 0x44c7, 0x44c2, 0x44bd, 0x44b7, 0x44b2, 0x44ad, 0x44a7,
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+  0x43cd, 0x43c8, 0x43c3, 0x43bd, 0x43b8, 0x43b3, 0x43ad, 0x43a8,
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+  0x4378, 0x4373, 0x436d, 0x4368, 0x4363, 0x435d, 0x4358, 0x4353,
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+  0x42f8, 0x42f2, 0x42ed, 0x42e8, 0x42e2, 0x42dd, 0x42d8, 0x42d2,
+  0x42cd, 0x42c8, 0x42c2, 0x42bd, 0x42b7, 0x42b2, 0x42ad, 0x42a7,
+  0x42a2, 0x429d, 0x4297, 0x4292, 0x428d, 0x4287, 0x4282, 0x427c,
+  0x4277, 0x4272, 0x426c, 0x4267, 0x4262, 0x425c, 0x4257, 0x4251,
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+  0x4221, 0x421c, 0x4216, 0x4211, 0x420c, 0x4206, 0x4201, 0x41fb,
+  0x41f6, 0x41f1, 0x41eb, 0x41e6, 0x41e0, 0x41db, 0x41d6, 0x41d0,
+  0x41cb, 0x41c6, 0x41c0, 0x41bb, 0x41b5, 0x41b0, 0x41ab, 0x41a5,
+  0x41a0, 0x419a, 0x4195, 0x4190, 0x418a, 0x4185, 0x417f, 0x417a,
+  0x4175, 0x416f, 0x416a, 0x4164, 0x415f, 0x415a, 0x4154, 0x414f,
+  0x4149, 0x4144, 0x413f, 0x4139, 0x4134, 0x412e, 0x4129, 0x4124,
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+  0x40f3, 0x40ed, 0x40e8, 0x40e3, 0x40dd, 0x40d8, 0x40d2, 0x40cd,
+  0x40c8, 0x40c2, 0x40bd, 0x40b7, 0x40b2, 0x40ac, 0x40a7, 0x40a2,
+  0x409c, 0x4097, 0x4091, 0x408c, 0x4086, 0x4081, 0x407c, 0x4076,
+  0x4071, 0x406b, 0x4066, 0x4060, 0x405b, 0x4056, 0x4050, 0x404b,
+  0x4045, 0x4040, 0x403a, 0x4035, 0x4030, 0x402a, 0x4025, 0x401f,
+  0x401a, 0x4014, 0x400f, 0x4009, 0x4004, 0x3fff, 0x3ff9, 0x3ff4,
+  0x3fee, 0x3fe9, 0x3fe3, 0x3fde, 0x3fd8, 0x3fd3, 0x3fce, 0x3fc8,
+  0x3fc3, 0x3fbd, 0x3fb8, 0x3fb2, 0x3fad, 0x3fa7, 0x3fa2, 0x3f9d,
+  0x3f97, 0x3f92, 0x3f8c, 0x3f87, 0x3f81, 0x3f7c, 0x3f76, 0x3f71,
+  0x3f6b, 0x3f66, 0x3f61, 0x3f5b, 0x3f56, 0x3f50, 0x3f4b, 0x3f45,
+  0x3f40, 0x3f3a, 0x3f35, 0x3f2f, 0x3f2a, 0x3f24, 0x3f1f, 0x3f1a,
+  0x3f14, 0x3f0f, 0x3f09, 0x3f04, 0x3efe, 0x3ef9, 0x3ef3, 0x3eee,
+  0x3ee8, 0x3ee3, 0x3edd, 0x3ed8, 0x3ed2, 0x3ecd, 0x3ec7, 0x3ec2,
+  0x3ebd, 0x3eb7, 0x3eb2, 0x3eac, 0x3ea7, 0x3ea1, 0x3e9c, 0x3e96,
+  0x3e91, 0x3e8b, 0x3e86, 0x3e80, 0x3e7b, 0x3e75, 0x3e70, 0x3e6a,
+  0x3e65, 0x3e5f, 0x3e5a, 0x3e54, 0x3e4f, 0x3e49, 0x3e44, 0x3e3e,
+  0x3e39, 0x3e33, 0x3e2e, 0x3e28, 0x3e23, 0x3e1d, 0x3e18, 0x3e12,
+  0x3e0d, 0x3e07, 0x3e02, 0x3dfc, 0x3df7, 0x3df1, 0x3dec, 0x3de6,
+  0x3de1, 0x3ddb, 0x3dd6, 0x3dd0, 0x3dcb, 0x3dc5, 0x3dc0, 0x3dba,
+  0x3db5, 0x3daf, 0x3daa, 0x3da4, 0x3d9f, 0x3d99, 0x3d94, 0x3d8e,
+  0x3d89, 0x3d83, 0x3d7e, 0x3d78, 0x3d73, 0x3d6d, 0x3d68, 0x3d62,
+  0x3d5d, 0x3d57, 0x3d52, 0x3d4c, 0x3d47, 0x3d41, 0x3d3c, 0x3d36,
+  0x3d31, 0x3d2b, 0x3d26, 0x3d20, 0x3d1b, 0x3d15, 0x3d10, 0x3d0a,
+  0x3d04, 0x3cff, 0x3cf9, 0x3cf4, 0x3cee, 0x3ce9, 0x3ce3, 0x3cde,
+  0x3cd8, 0x3cd3, 0x3ccd, 0x3cc8, 0x3cc2, 0x3cbd, 0x3cb7, 0x3cb2,
+  0x3cac, 0x3ca7, 0x3ca1, 0x3c9b, 0x3c96, 0x3c90, 0x3c8b, 0x3c85,
+  0x3c80, 0x3c7a, 0x3c75, 0x3c6f, 0x3c6a, 0x3c64, 0x3c5f, 0x3c59,
+  0x3c53, 0x3c4e, 0x3c48, 0x3c43, 0x3c3d, 0x3c38, 0x3c32, 0x3c2d,
+  0x3c27, 0x3c22, 0x3c1c, 0x3c16, 0x3c11, 0x3c0b, 0x3c06, 0x3c00,
+  0x3bfb, 0x3bf5, 0x3bf0, 0x3bea, 0x3be5, 0x3bdf, 0x3bd9, 0x3bd4,
+  0x3bce, 0x3bc9, 0x3bc3, 0x3bbe, 0x3bb8, 0x3bb3, 0x3bad, 0x3ba7,
+  0x3ba2, 0x3b9c, 0x3b97, 0x3b91, 0x3b8c, 0x3b86, 0x3b80, 0x3b7b,
+  0x3b75, 0x3b70, 0x3b6a, 0x3b65, 0x3b5f, 0x3b5a, 0x3b54, 0x3b4e,
+  0x3b49, 0x3b43, 0x3b3e, 0x3b38, 0x3b33, 0x3b2d, 0x3b27, 0x3b22,
+  0x3b1c, 0x3b17, 0x3b11, 0x3b0c, 0x3b06, 0x3b00, 0x3afb, 0x3af5,
+  0x3af0, 0x3aea, 0x3ae4, 0x3adf, 0x3ad9, 0x3ad4, 0x3ace, 0x3ac9,
+  0x3ac3, 0x3abd, 0x3ab8, 0x3ab2, 0x3aad, 0x3aa7, 0x3aa2, 0x3a9c,
+  0x3a96, 0x3a91, 0x3a8b, 0x3a86, 0x3a80, 0x3a7a, 0x3a75, 0x3a6f,
+  0x3a6a, 0x3a64, 0x3a5e, 0x3a59, 0x3a53, 0x3a4e, 0x3a48, 0x3a42,
+  0x3a3d, 0x3a37, 0x3a32, 0x3a2c, 0x3a26, 0x3a21, 0x3a1b, 0x3a16,
+  0x3a10, 0x3a0b, 0x3a05, 0x39ff, 0x39fa, 0x39f4, 0x39ee, 0x39e9,
+  0x39e3, 0x39de, 0x39d8, 0x39d2, 0x39cd, 0x39c7, 0x39c2, 0x39bc,
+  0x39b6, 0x39b1, 0x39ab, 0x39a6, 0x39a0, 0x399a, 0x3995, 0x398f,
+  0x398a, 0x3984, 0x397e, 0x3979, 0x3973, 0x396d, 0x3968, 0x3962,
+  0x395d, 0x3957, 0x3951, 0x394c, 0x3946, 0x3941, 0x393b, 0x3935,
+  0x3930, 0x392a, 0x3924, 0x391f, 0x3919, 0x3914, 0x390e, 0x3908,
+  0x3903, 0x38fd, 0x38f7, 0x38f2, 0x38ec, 0x38e7, 0x38e1, 0x38db,
+  0x38d6, 0x38d0, 0x38ca, 0x38c5, 0x38bf, 0x38ba, 0x38b4, 0x38ae,
+  0x38a9, 0x38a3, 0x389d, 0x3898, 0x3892, 0x388c, 0x3887, 0x3881,
+  0x387c, 0x3876, 0x3870, 0x386b, 0x3865, 0x385f, 0x385a, 0x3854,
+  0x384e, 0x3849, 0x3843, 0x383d, 0x3838, 0x3832, 0x382d, 0x3827,
+  0x3821, 0x381c, 0x3816, 0x3810, 0x380b, 0x3805, 0x37ff, 0x37fa,
+  0x37f4, 0x37ee, 0x37e9, 0x37e3, 0x37dd, 0x37d8, 0x37d2, 0x37cc,
+  0x37c7, 0x37c1, 0x37bc, 0x37b6, 0x37b0, 0x37ab, 0x37a5, 0x379f,
+  0x379a, 0x3794, 0x378e, 0x3789, 0x3783, 0x377d, 0x3778, 0x3772,
+  0x376c, 0x3767, 0x3761, 0x375b, 0x3756, 0x3750, 0x374a, 0x3745,
+  0x373f, 0x3739, 0x3734, 0x372e, 0x3728, 0x3723, 0x371d, 0x3717,
+  0x3712, 0x370c, 0x3706, 0x3701, 0x36fb, 0x36f5, 0x36f0, 0x36ea,
+  0x36e4, 0x36df, 0x36d9, 0x36d3, 0x36ce, 0x36c8, 0x36c2, 0x36bc,
+  0x36b7, 0x36b1, 0x36ab, 0x36a6, 0x36a0, 0x369a, 0x3695, 0x368f,
+  0x3689, 0x3684, 0x367e, 0x3678, 0x3673, 0x366d, 0x3667, 0x3662,
+  0x365c, 0x3656, 0x3650, 0x364b, 0x3645, 0x363f, 0x363a, 0x3634,
+  0x362e, 0x3629, 0x3623, 0x361d, 0x3618, 0x3612, 0x360c, 0x3606,
+  0x3601, 0x35fb, 0x35f5, 0x35f0, 0x35ea, 0x35e4, 0x35df, 0x35d9,
+  0x35d3, 0x35cd, 0x35c8, 0x35c2, 0x35bc, 0x35b7, 0x35b1, 0x35ab,
+  0x35a6, 0x35a0, 0x359a, 0x3594, 0x358f, 0x3589, 0x3583, 0x357e,
+  0x3578, 0x3572, 0x356c, 0x3567, 0x3561, 0x355b, 0x3556, 0x3550,
+  0x354a, 0x3544, 0x353f, 0x3539, 0x3533, 0x352e, 0x3528, 0x3522,
+  0x351c, 0x3517, 0x3511, 0x350b, 0x3506, 0x3500, 0x34fa, 0x34f4,
+  0x34ef, 0x34e9, 0x34e3, 0x34de, 0x34d8, 0x34d2, 0x34cc, 0x34c7,
+  0x34c1, 0x34bb, 0x34b6, 0x34b0, 0x34aa, 0x34a4, 0x349f, 0x3499,
+  0x3493, 0x348d, 0x3488, 0x3482, 0x347c, 0x3476, 0x3471, 0x346b,
+  0x3465, 0x3460, 0x345a, 0x3454, 0x344e, 0x3449, 0x3443, 0x343d,
+  0x3437, 0x3432, 0x342c, 0x3426, 0x3420, 0x341b, 0x3415, 0x340f,
+  0x340a, 0x3404, 0x33fe, 0x33f8, 0x33f3, 0x33ed, 0x33e7, 0x33e1,
+  0x33dc, 0x33d6, 0x33d0, 0x33ca, 0x33c5, 0x33bf, 0x33b9, 0x33b3,
+  0x33ae, 0x33a8, 0x33a2, 0x339c, 0x3397, 0x3391, 0x338b, 0x3385,
+  0x3380, 0x337a, 0x3374, 0x336e, 0x3369, 0x3363, 0x335d, 0x3357,
+  0x3352, 0x334c, 0x3346, 0x3340, 0x333b, 0x3335, 0x332f, 0x3329,
+  0x3324, 0x331e, 0x3318, 0x3312, 0x330c, 0x3307, 0x3301, 0x32fb,
+  0x32f5, 0x32f0, 0x32ea, 0x32e4, 0x32de, 0x32d9, 0x32d3, 0x32cd,
+  0x32c7, 0x32c2, 0x32bc, 0x32b6, 0x32b0, 0x32aa, 0x32a5, 0x329f,
+  0x3299, 0x3293, 0x328e, 0x3288, 0x3282, 0x327c, 0x3276, 0x3271,
+  0x326b, 0x3265, 0x325f, 0x325a, 0x3254, 0x324e, 0x3248, 0x3243,
+  0x323d, 0x3237, 0x3231, 0x322b, 0x3226, 0x3220, 0x321a, 0x3214,
+  0x320e, 0x3209, 0x3203, 0x31fd, 0x31f7, 0x31f2, 0x31ec, 0x31e6,
+  0x31e0, 0x31da, 0x31d5, 0x31cf, 0x31c9, 0x31c3, 0x31bd, 0x31b8,
+  0x31b2, 0x31ac, 0x31a6, 0x31a1, 0x319b, 0x3195, 0x318f, 0x3189,
+  0x3184, 0x317e, 0x3178, 0x3172, 0x316c, 0x3167, 0x3161, 0x315b,
+  0x3155, 0x314f, 0x314a, 0x3144, 0x313e, 0x3138, 0x3132, 0x312d,
+  0x3127, 0x3121, 0x311b, 0x3115, 0x3110, 0x310a, 0x3104, 0x30fe,
+  0x30f8, 0x30f3, 0x30ed, 0x30e7, 0x30e1, 0x30db, 0x30d6, 0x30d0,
+  0x30ca, 0x30c4, 0x30be, 0x30b8, 0x30b3, 0x30ad, 0x30a7, 0x30a1,
+  0x309b, 0x3096, 0x3090, 0x308a, 0x3084, 0x307e, 0x3079, 0x3073,
+  0x306d, 0x3067, 0x3061, 0x305b, 0x3056, 0x3050, 0x304a, 0x3044,
+  0x303e, 0x3039, 0x3033, 0x302d, 0x3027, 0x3021, 0x301b, 0x3016,
+  0x3010, 0x300a, 0x3004, 0x2ffe, 0x2ff8, 0x2ff3, 0x2fed, 0x2fe7,
+  0x2fe1, 0x2fdb, 0x2fd6, 0x2fd0, 0x2fca, 0x2fc4, 0x2fbe, 0x2fb8,
+  0x2fb3, 0x2fad, 0x2fa7, 0x2fa1, 0x2f9b, 0x2f95, 0x2f90, 0x2f8a,
+  0x2f84, 0x2f7e, 0x2f78, 0x2f72, 0x2f6d, 0x2f67, 0x2f61, 0x2f5b,
+  0x2f55, 0x2f4f, 0x2f4a, 0x2f44, 0x2f3e, 0x2f38, 0x2f32, 0x2f2c,
+  0x2f27, 0x2f21, 0x2f1b, 0x2f15, 0x2f0f, 0x2f09, 0x2f03, 0x2efe,
+  0x2ef8, 0x2ef2, 0x2eec, 0x2ee6, 0x2ee0, 0x2edb, 0x2ed5, 0x2ecf,
+  0x2ec9, 0x2ec3, 0x2ebd, 0x2eb7, 0x2eb2, 0x2eac, 0x2ea6, 0x2ea0,
+  0x2e9a, 0x2e94, 0x2e8e, 0x2e89, 0x2e83, 0x2e7d, 0x2e77, 0x2e71,
+  0x2e6b, 0x2e65, 0x2e60, 0x2e5a, 0x2e54, 0x2e4e, 0x2e48, 0x2e42,
+  0x2e3c, 0x2e37, 0x2e31, 0x2e2b, 0x2e25, 0x2e1f, 0x2e19, 0x2e13,
+  0x2e0e, 0x2e08, 0x2e02, 0x2dfc, 0x2df6, 0x2df0, 0x2dea, 0x2de5,
+  0x2ddf, 0x2dd9, 0x2dd3, 0x2dcd, 0x2dc7, 0x2dc1, 0x2dbb, 0x2db6,
+  0x2db0, 0x2daa, 0x2da4, 0x2d9e, 0x2d98, 0x2d92, 0x2d8d, 0x2d87,
+  0x2d81, 0x2d7b, 0x2d75, 0x2d6f, 0x2d69, 0x2d63, 0x2d5e, 0x2d58,
+  0x2d52, 0x2d4c, 0x2d46, 0x2d40, 0x2d3a, 0x2d34, 0x2d2f, 0x2d29,
+  0x2d23, 0x2d1d, 0x2d17, 0x2d11, 0x2d0b, 0x2d05, 0x2cff, 0x2cfa,
+  0x2cf4, 0x2cee, 0x2ce8, 0x2ce2, 0x2cdc, 0x2cd6, 0x2cd0, 0x2ccb,
+  0x2cc5, 0x2cbf, 0x2cb9, 0x2cb3, 0x2cad, 0x2ca7, 0x2ca1, 0x2c9b,
+  0x2c96, 0x2c90, 0x2c8a, 0x2c84, 0x2c7e, 0x2c78, 0x2c72, 0x2c6c,
+  0x2c66, 0x2c61, 0x2c5b, 0x2c55, 0x2c4f, 0x2c49, 0x2c43, 0x2c3d,
+  0x2c37, 0x2c31, 0x2c2b, 0x2c26, 0x2c20, 0x2c1a, 0x2c14, 0x2c0e,
+  0x2c08, 0x2c02, 0x2bfc, 0x2bf6, 0x2bf0, 0x2beb, 0x2be5, 0x2bdf,
+  0x2bd9, 0x2bd3, 0x2bcd, 0x2bc7, 0x2bc1, 0x2bbb, 0x2bb5, 0x2bb0,
+  0x2baa, 0x2ba4, 0x2b9e, 0x2b98, 0x2b92, 0x2b8c, 0x2b86, 0x2b80,
+  0x2b7a, 0x2b74, 0x2b6f, 0x2b69, 0x2b63, 0x2b5d, 0x2b57, 0x2b51,
+  0x2b4b, 0x2b45, 0x2b3f, 0x2b39, 0x2b33, 0x2b2d, 0x2b28, 0x2b22,
+  0x2b1c, 0x2b16, 0x2b10, 0x2b0a, 0x2b04, 0x2afe, 0x2af8, 0x2af2,
+  0x2aec, 0x2ae6, 0x2ae1, 0x2adb, 0x2ad5, 0x2acf, 0x2ac9, 0x2ac3,
+  0x2abd, 0x2ab7, 0x2ab1, 0x2aab, 0x2aa5, 0x2a9f, 0x2a99, 0x2a94,
+  0x2a8e, 0x2a88, 0x2a82, 0x2a7c, 0x2a76, 0x2a70, 0x2a6a, 0x2a64,
+  0x2a5e, 0x2a58, 0x2a52, 0x2a4c, 0x2a47, 0x2a41, 0x2a3b, 0x2a35,
+  0x2a2f, 0x2a29, 0x2a23, 0x2a1d, 0x2a17, 0x2a11, 0x2a0b, 0x2a05,
+  0x29ff, 0x29f9, 0x29f3, 0x29ee, 0x29e8, 0x29e2, 0x29dc, 0x29d6,
+  0x29d0, 0x29ca, 0x29c4, 0x29be, 0x29b8, 0x29b2, 0x29ac, 0x29a6,
+  0x29a0, 0x299a, 0x2994, 0x298e, 0x2989, 0x2983, 0x297d, 0x2977,
+  0x2971, 0x296b, 0x2965, 0x295f, 0x2959, 0x2953, 0x294d, 0x2947,
+  0x2941, 0x293b, 0x2935, 0x292f, 0x2929, 0x2923, 0x291d, 0x2918,
+  0x2912, 0x290c, 0x2906, 0x2900, 0x28fa, 0x28f4, 0x28ee, 0x28e8,
+  0x28e2, 0x28dc, 0x28d6, 0x28d0, 0x28ca, 0x28c4, 0x28be, 0x28b8,
+  0x28b2, 0x28ac, 0x28a6, 0x28a0, 0x289a, 0x2895, 0x288f, 0x2889,
+  0x2883, 0x287d, 0x2877, 0x2871, 0x286b, 0x2865, 0x285f, 0x2859,
+  0x2853, 0x284d, 0x2847, 0x2841, 0x283b, 0x2835, 0x282f, 0x2829,
+  0x2823, 0x281d, 0x2817, 0x2811, 0x280b, 0x2805, 0x27ff, 0x27f9,
+  0x27f3, 0x27ee, 0x27e8, 0x27e2, 0x27dc, 0x27d6, 0x27d0, 0x27ca,
+  0x27c4, 0x27be, 0x27b8, 0x27b2, 0x27ac, 0x27a6, 0x27a0, 0x279a,
+  0x2794, 0x278e, 0x2788, 0x2782, 0x277c, 0x2776, 0x2770, 0x276a,
+  0x2764, 0x275e, 0x2758, 0x2752, 0x274c, 0x2746, 0x2740, 0x273a,
+  0x2734, 0x272e, 0x2728, 0x2722, 0x271c, 0x2716, 0x2710, 0x270a,
+  0x2704, 0x26fe, 0x26f8, 0x26f2, 0x26ec, 0x26e7, 0x26e1, 0x26db,
+  0x26d5, 0x26cf, 0x26c9, 0x26c3, 0x26bd, 0x26b7, 0x26b1, 0x26ab,
+  0x26a5, 0x269f, 0x2699, 0x2693, 0x268d, 0x2687, 0x2681, 0x267b,
+  0x2675, 0x266f, 0x2669, 0x2663, 0x265d, 0x2657, 0x2651, 0x264b,
+  0x2645, 0x263f, 0x2639, 0x2633, 0x262d, 0x2627, 0x2621, 0x261b,
+  0x2615, 0x260f, 0x2609, 0x2603, 0x25fd, 0x25f7, 0x25f1, 0x25eb,
+  0x25e5, 0x25df, 0x25d9, 0x25d3, 0x25cd, 0x25c7, 0x25c1, 0x25bb,
+  0x25b5, 0x25af, 0x25a9, 0x25a3, 0x259d, 0x2597, 0x2591, 0x258b,
+  0x2585, 0x257f, 0x2579, 0x2573, 0x256d, 0x2567, 0x2561, 0x255b,
+  0x2555, 0x254f, 0x2549, 0x2543, 0x253d, 0x2537, 0x2531, 0x252b,
+  0x2525, 0x251f, 0x2519, 0x2513, 0x250c, 0x2506, 0x2500, 0x24fa,
+  0x24f4, 0x24ee, 0x24e8, 0x24e2, 0x24dc, 0x24d6, 0x24d0, 0x24ca,
+  0x24c4, 0x24be, 0x24b8, 0x24b2, 0x24ac, 0x24a6, 0x24a0, 0x249a,
+  0x2494, 0x248e, 0x2488, 0x2482, 0x247c, 0x2476, 0x2470, 0x246a,
+  0x2464, 0x245e, 0x2458, 0x2452, 0x244c, 0x2446, 0x2440, 0x243a,
+  0x2434, 0x242e, 0x2428, 0x2422, 0x241c, 0x2416, 0x2410, 0x240a,
+  0x2404, 0x23fd, 0x23f7, 0x23f1, 0x23eb, 0x23e5, 0x23df, 0x23d9,
+  0x23d3, 0x23cd, 0x23c7, 0x23c1, 0x23bb, 0x23b5, 0x23af, 0x23a9,
+  0x23a3, 0x239d, 0x2397, 0x2391, 0x238b, 0x2385, 0x237f, 0x2379,
+  0x2373, 0x236d, 0x2367, 0x2361, 0x235b, 0x2355, 0x234e, 0x2348,
+  0x2342, 0x233c, 0x2336, 0x2330, 0x232a, 0x2324, 0x231e, 0x2318,
+  0x2312, 0x230c, 0x2306, 0x2300, 0x22fa, 0x22f4, 0x22ee, 0x22e8,
+  0x22e2, 0x22dc, 0x22d6, 0x22d0, 0x22ca, 0x22c4, 0x22bd, 0x22b7,
+  0x22b1, 0x22ab, 0x22a5, 0x229f, 0x2299, 0x2293, 0x228d, 0x2287,
+  0x2281, 0x227b, 0x2275, 0x226f, 0x2269, 0x2263, 0x225d, 0x2257,
+  0x2251, 0x224a, 0x2244, 0x223e, 0x2238, 0x2232, 0x222c, 0x2226,
+  0x2220, 0x221a, 0x2214, 0x220e, 0x2208, 0x2202, 0x21fc, 0x21f6,
+  0x21f0, 0x21ea, 0x21e4, 0x21dd, 0x21d7, 0x21d1, 0x21cb, 0x21c5,
+  0x21bf, 0x21b9, 0x21b3, 0x21ad, 0x21a7, 0x21a1, 0x219b, 0x2195,
+  0x218f, 0x2189, 0x2183, 0x217c, 0x2176, 0x2170, 0x216a, 0x2164,
+  0x215e, 0x2158, 0x2152, 0x214c, 0x2146, 0x2140, 0x213a, 0x2134,
+  0x212e, 0x2128, 0x2121, 0x211b, 0x2115, 0x210f, 0x2109, 0x2103,
+  0x20fd, 0x20f7, 0x20f1, 0x20eb, 0x20e5, 0x20df, 0x20d9, 0x20d3,
+  0x20cc, 0x20c6, 0x20c0, 0x20ba, 0x20b4, 0x20ae, 0x20a8, 0x20a2,
+  0x209c, 0x2096, 0x2090, 0x208a, 0x2084, 0x207e, 0x2077, 0x2071,
+  0x206b, 0x2065, 0x205f, 0x2059, 0x2053, 0x204d, 0x2047, 0x2041,
+  0x203b, 0x2035, 0x202e, 0x2028, 0x2022, 0x201c, 0x2016, 0x2010,
+  0x200a, 0x2004, 0x1ffe, 0x1ff8, 0x1ff2, 0x1fec, 0x1fe5, 0x1fdf,
+  0x1fd9, 0x1fd3, 0x1fcd, 0x1fc7, 0x1fc1, 0x1fbb, 0x1fb5, 0x1faf,
+  0x1fa9, 0x1fa3, 0x1f9c, 0x1f96, 0x1f90, 0x1f8a, 0x1f84, 0x1f7e,
+  0x1f78, 0x1f72, 0x1f6c, 0x1f66, 0x1f60, 0x1f59, 0x1f53, 0x1f4d,
+  0x1f47, 0x1f41, 0x1f3b, 0x1f35, 0x1f2f, 0x1f29, 0x1f23, 0x1f1d,
+  0x1f16, 0x1f10, 0x1f0a, 0x1f04, 0x1efe, 0x1ef8, 0x1ef2, 0x1eec,
+  0x1ee6, 0x1ee0, 0x1ed9, 0x1ed3, 0x1ecd, 0x1ec7, 0x1ec1, 0x1ebb,
+  0x1eb5, 0x1eaf, 0x1ea9, 0x1ea3, 0x1e9c, 0x1e96, 0x1e90, 0x1e8a,
+  0x1e84, 0x1e7e, 0x1e78, 0x1e72, 0x1e6c, 0x1e66, 0x1e5f, 0x1e59,
+  0x1e53, 0x1e4d, 0x1e47, 0x1e41, 0x1e3b, 0x1e35, 0x1e2f, 0x1e29,
+  0x1e22, 0x1e1c, 0x1e16, 0x1e10, 0x1e0a, 0x1e04, 0x1dfe, 0x1df8,
+  0x1df2, 0x1deb, 0x1de5, 0x1ddf, 0x1dd9, 0x1dd3, 0x1dcd, 0x1dc7,
+  0x1dc1, 0x1dbb, 0x1db4, 0x1dae, 0x1da8, 0x1da2, 0x1d9c, 0x1d96,
+  0x1d90, 0x1d8a, 0x1d84, 0x1d7d, 0x1d77, 0x1d71, 0x1d6b, 0x1d65,
+  0x1d5f, 0x1d59, 0x1d53, 0x1d4c, 0x1d46, 0x1d40, 0x1d3a, 0x1d34,
+  0x1d2e, 0x1d28, 0x1d22, 0x1d1c, 0x1d15, 0x1d0f, 0x1d09, 0x1d03,
+  0x1cfd, 0x1cf7, 0x1cf1, 0x1ceb, 0x1ce4, 0x1cde, 0x1cd8, 0x1cd2,
+  0x1ccc, 0x1cc6, 0x1cc0, 0x1cba, 0x1cb3, 0x1cad, 0x1ca7, 0x1ca1,
+  0x1c9b, 0x1c95, 0x1c8f, 0x1c89, 0x1c83, 0x1c7c, 0x1c76, 0x1c70,
+  0x1c6a, 0x1c64, 0x1c5e, 0x1c58, 0x1c51, 0x1c4b, 0x1c45, 0x1c3f,
+  0x1c39, 0x1c33, 0x1c2d, 0x1c27, 0x1c20, 0x1c1a, 0x1c14, 0x1c0e,
+  0x1c08, 0x1c02, 0x1bfc, 0x1bf6, 0x1bef, 0x1be9, 0x1be3, 0x1bdd,
+  0x1bd7, 0x1bd1, 0x1bcb, 0x1bc4, 0x1bbe, 0x1bb8, 0x1bb2, 0x1bac,
+  0x1ba6, 0x1ba0, 0x1b9a, 0x1b93, 0x1b8d, 0x1b87, 0x1b81, 0x1b7b,
+  0x1b75, 0x1b6f, 0x1b68, 0x1b62, 0x1b5c, 0x1b56, 0x1b50, 0x1b4a,
+  0x1b44, 0x1b3d, 0x1b37, 0x1b31, 0x1b2b, 0x1b25, 0x1b1f, 0x1b19,
+  0x1b13, 0x1b0c, 0x1b06, 0x1b00, 0x1afa, 0x1af4, 0x1aee, 0x1ae8,
+  0x1ae1, 0x1adb, 0x1ad5, 0x1acf, 0x1ac9, 0x1ac3, 0x1abd, 0x1ab6,
+  0x1ab0, 0x1aaa, 0x1aa4, 0x1a9e, 0x1a98, 0x1a91, 0x1a8b, 0x1a85,
+  0x1a7f, 0x1a79, 0x1a73, 0x1a6d, 0x1a66, 0x1a60, 0x1a5a, 0x1a54,
+  0x1a4e, 0x1a48, 0x1a42, 0x1a3b, 0x1a35, 0x1a2f, 0x1a29, 0x1a23,
+  0x1a1d, 0x1a17, 0x1a10, 0x1a0a, 0x1a04, 0x19fe, 0x19f8, 0x19f2,
+  0x19eb, 0x19e5, 0x19df, 0x19d9, 0x19d3, 0x19cd, 0x19c7, 0x19c0,
+  0x19ba, 0x19b4, 0x19ae, 0x19a8, 0x19a2, 0x199b, 0x1995, 0x198f,
+  0x1989, 0x1983, 0x197d, 0x1977, 0x1970, 0x196a, 0x1964, 0x195e,
+  0x1958, 0x1952, 0x194b, 0x1945, 0x193f, 0x1939, 0x1933, 0x192d,
+  0x1926, 0x1920, 0x191a, 0x1914, 0x190e, 0x1908, 0x1901, 0x18fb,
+  0x18f5, 0x18ef, 0x18e9, 0x18e3, 0x18dc, 0x18d6, 0x18d0, 0x18ca,
+  0x18c4, 0x18be, 0x18b8, 0x18b1, 0x18ab, 0x18a5, 0x189f, 0x1899,
+  0x1893, 0x188c, 0x1886, 0x1880, 0x187a, 0x1874, 0x186e, 0x1867,
+  0x1861, 0x185b, 0x1855, 0x184f, 0x1848, 0x1842, 0x183c, 0x1836,
+  0x1830, 0x182a, 0x1823, 0x181d, 0x1817, 0x1811, 0x180b, 0x1805,
+  0x17fe, 0x17f8, 0x17f2, 0x17ec, 0x17e6, 0x17e0, 0x17d9, 0x17d3,
+  0x17cd, 0x17c7, 0x17c1, 0x17bb, 0x17b4, 0x17ae, 0x17a8, 0x17a2,
+  0x179c, 0x1795, 0x178f, 0x1789, 0x1783, 0x177d, 0x1777, 0x1770,
+  0x176a, 0x1764, 0x175e, 0x1758, 0x1752, 0x174b, 0x1745, 0x173f,
+  0x1739, 0x1733, 0x172c, 0x1726, 0x1720, 0x171a, 0x1714, 0x170e,
+  0x1707, 0x1701, 0x16fb, 0x16f5, 0x16ef, 0x16e8, 0x16e2, 0x16dc,
+  0x16d6, 0x16d0, 0x16ca, 0x16c3, 0x16bd, 0x16b7, 0x16b1, 0x16ab,
+  0x16a4, 0x169e, 0x1698, 0x1692, 0x168c, 0x1686, 0x167f, 0x1679,
+  0x1673, 0x166d, 0x1667, 0x1660, 0x165a, 0x1654, 0x164e, 0x1648,
+  0x1642, 0x163b, 0x1635, 0x162f, 0x1629, 0x1623, 0x161c, 0x1616,
+  0x1610, 0x160a, 0x1604, 0x15fd, 0x15f7, 0x15f1, 0x15eb, 0x15e5,
+  0x15de, 0x15d8, 0x15d2, 0x15cc, 0x15c6, 0x15c0, 0x15b9, 0x15b3,
+  0x15ad, 0x15a7, 0x15a1, 0x159a, 0x1594, 0x158e, 0x1588, 0x1582,
+  0x157b, 0x1575, 0x156f, 0x1569, 0x1563, 0x155c, 0x1556, 0x1550,
+  0x154a, 0x1544, 0x153d, 0x1537, 0x1531, 0x152b, 0x1525, 0x151e,
+  0x1518, 0x1512, 0x150c, 0x1506, 0x14ff, 0x14f9, 0x14f3, 0x14ed,
+  0x14e7, 0x14e0, 0x14da, 0x14d4, 0x14ce, 0x14c8, 0x14c1, 0x14bb,
+  0x14b5, 0x14af, 0x14a9, 0x14a2, 0x149c, 0x1496, 0x1490, 0x148a,
+  0x1483, 0x147d, 0x1477, 0x1471, 0x146b, 0x1464, 0x145e, 0x1458,
+  0x1452, 0x144c, 0x1445, 0x143f, 0x1439, 0x1433, 0x142d, 0x1426,
+  0x1420, 0x141a, 0x1414, 0x140e, 0x1407, 0x1401, 0x13fb, 0x13f5,
+  0x13ef, 0x13e8, 0x13e2, 0x13dc, 0x13d6, 0x13d0, 0x13c9, 0x13c3,
+  0x13bd, 0x13b7, 0x13b1, 0x13aa, 0x13a4, 0x139e, 0x1398, 0x1391,
+  0x138b, 0x1385, 0x137f, 0x1379, 0x1372, 0x136c, 0x1366, 0x1360,
+  0x135a, 0x1353, 0x134d, 0x1347, 0x1341, 0x133b, 0x1334, 0x132e,
+  0x1328, 0x1322, 0x131b, 0x1315, 0x130f, 0x1309, 0x1303, 0x12fc,
+  0x12f6, 0x12f0, 0x12ea, 0x12e4, 0x12dd, 0x12d7, 0x12d1, 0x12cb,
+  0x12c4, 0x12be, 0x12b8, 0x12b2, 0x12ac, 0x12a5, 0x129f, 0x1299,
+  0x1293, 0x128d, 0x1286, 0x1280, 0x127a, 0x1274, 0x126d, 0x1267,
+  0x1261, 0x125b, 0x1255, 0x124e, 0x1248, 0x1242, 0x123c, 0x1235,
+  0x122f, 0x1229, 0x1223, 0x121d, 0x1216, 0x1210, 0x120a, 0x1204,
+  0x11fd, 0x11f7, 0x11f1, 0x11eb, 0x11e5, 0x11de, 0x11d8, 0x11d2,
+  0x11cc, 0x11c5, 0x11bf, 0x11b9, 0x11b3, 0x11ad, 0x11a6, 0x11a0,
+  0x119a, 0x1194, 0x118d, 0x1187, 0x1181, 0x117b, 0x1175, 0x116e,
+  0x1168, 0x1162, 0x115c, 0x1155, 0x114f, 0x1149, 0x1143, 0x113d,
+  0x1136, 0x1130, 0x112a, 0x1124, 0x111d, 0x1117, 0x1111, 0x110b,
+  0x1105, 0x10fe, 0x10f8, 0x10f2, 0x10ec, 0x10e5, 0x10df, 0x10d9,
+  0x10d3, 0x10cc, 0x10c6, 0x10c0, 0x10ba, 0x10b4, 0x10ad, 0x10a7,
+  0x10a1, 0x109b, 0x1094, 0x108e, 0x1088, 0x1082, 0x107b, 0x1075,
+  0x106f, 0x1069, 0x1063, 0x105c, 0x1056, 0x1050, 0x104a, 0x1043,
+  0x103d, 0x1037, 0x1031, 0x102a, 0x1024, 0x101e, 0x1018, 0x1012,
+  0x100b, 0x1005, 0xfff, 0xff9, 0xff2, 0xfec, 0xfe6, 0xfe0,
+  0xfd9, 0xfd3, 0xfcd, 0xfc7, 0xfc0, 0xfba, 0xfb4, 0xfae,
+  0xfa8, 0xfa1, 0xf9b, 0xf95, 0xf8f, 0xf88, 0xf82, 0xf7c,
+  0xf76, 0xf6f, 0xf69, 0xf63, 0xf5d, 0xf56, 0xf50, 0xf4a,
+  0xf44, 0xf3e, 0xf37, 0xf31, 0xf2b, 0xf25, 0xf1e, 0xf18,
+  0xf12, 0xf0c, 0xf05, 0xeff, 0xef9, 0xef3, 0xeec, 0xee6,
+  0xee0, 0xeda, 0xed3, 0xecd, 0xec7, 0xec1, 0xeba, 0xeb4,
+  0xeae, 0xea8, 0xea1, 0xe9b, 0xe95, 0xe8f, 0xe89, 0xe82,
+  0xe7c, 0xe76, 0xe70, 0xe69, 0xe63, 0xe5d, 0xe57, 0xe50,
+  0xe4a, 0xe44, 0xe3e, 0xe37, 0xe31, 0xe2b, 0xe25, 0xe1e,
+  0xe18, 0xe12, 0xe0c, 0xe05, 0xdff, 0xdf9, 0xdf3, 0xdec,
+  0xde6, 0xde0, 0xdda, 0xdd3, 0xdcd, 0xdc7, 0xdc1, 0xdba,
+  0xdb4, 0xdae, 0xda8, 0xda1, 0xd9b, 0xd95, 0xd8f, 0xd88,
+  0xd82, 0xd7c, 0xd76, 0xd6f, 0xd69, 0xd63, 0xd5d, 0xd56,
+  0xd50, 0xd4a, 0xd44, 0xd3d, 0xd37, 0xd31, 0xd2b, 0xd24,
+  0xd1e, 0xd18, 0xd12, 0xd0b, 0xd05, 0xcff, 0xcf9, 0xcf2,
+  0xcec, 0xce6, 0xce0, 0xcd9, 0xcd3, 0xccd, 0xcc7, 0xcc0,
+  0xcba, 0xcb4, 0xcae, 0xca7, 0xca1, 0xc9b, 0xc95, 0xc8e,
+  0xc88, 0xc82, 0xc7c, 0xc75, 0xc6f, 0xc69, 0xc63, 0xc5c,
+  0xc56, 0xc50, 0xc4a, 0xc43, 0xc3d, 0xc37, 0xc31, 0xc2a,
+  0xc24, 0xc1e, 0xc18, 0xc11, 0xc0b, 0xc05, 0xbff, 0xbf8,
+  0xbf2, 0xbec, 0xbe6, 0xbdf, 0xbd9, 0xbd3, 0xbcd, 0xbc6,
+  0xbc0, 0xbba, 0xbb4, 0xbad, 0xba7, 0xba1, 0xb9b, 0xb94,
+  0xb8e, 0xb88, 0xb81, 0xb7b, 0xb75, 0xb6f, 0xb68, 0xb62,
+  0xb5c, 0xb56, 0xb4f, 0xb49, 0xb43, 0xb3d, 0xb36, 0xb30,
+  0xb2a, 0xb24, 0xb1d, 0xb17, 0xb11, 0xb0b, 0xb04, 0xafe,
+  0xaf8, 0xaf2, 0xaeb, 0xae5, 0xadf, 0xad8, 0xad2, 0xacc,
+  0xac6, 0xabf, 0xab9, 0xab3, 0xaad, 0xaa6, 0xaa0, 0xa9a,
+  0xa94, 0xa8d, 0xa87, 0xa81, 0xa7b, 0xa74, 0xa6e, 0xa68,
+  0xa62, 0xa5b, 0xa55, 0xa4f, 0xa48, 0xa42, 0xa3c, 0xa36,
+  0xa2f, 0xa29, 0xa23, 0xa1d, 0xa16, 0xa10, 0xa0a, 0xa04,
+  0x9fd, 0x9f7, 0x9f1, 0x9eb, 0x9e4, 0x9de, 0x9d8, 0x9d1,
+  0x9cb, 0x9c5, 0x9bf, 0x9b8, 0x9b2, 0x9ac, 0x9a6, 0x99f,
+  0x999, 0x993, 0x98d, 0x986, 0x980, 0x97a, 0x973, 0x96d,
+  0x967, 0x961, 0x95a, 0x954, 0x94e, 0x948, 0x941, 0x93b,
+  0x935, 0x92f, 0x928, 0x922, 0x91c, 0x915, 0x90f, 0x909,
+  0x903, 0x8fc, 0x8f6, 0x8f0, 0x8ea, 0x8e3, 0x8dd, 0x8d7,
+  0x8d1, 0x8ca, 0x8c4, 0x8be, 0x8b7, 0x8b1, 0x8ab, 0x8a5,
+  0x89e, 0x898, 0x892, 0x88c, 0x885, 0x87f, 0x879, 0x872,
+  0x86c, 0x866, 0x860, 0x859, 0x853, 0x84d, 0x847, 0x840,
+  0x83a, 0x834, 0x82e, 0x827, 0x821, 0x81b, 0x814, 0x80e,
+  0x808, 0x802, 0x7fb, 0x7f5, 0x7ef, 0x7e9, 0x7e2, 0x7dc,
+  0x7d6, 0x7cf, 0x7c9, 0x7c3, 0x7bd, 0x7b6, 0x7b0, 0x7aa,
+  0x7a4, 0x79d, 0x797, 0x791, 0x78a, 0x784, 0x77e, 0x778,
+  0x771, 0x76b, 0x765, 0x75f, 0x758, 0x752, 0x74c, 0x745,
+  0x73f, 0x739, 0x733, 0x72c, 0x726, 0x720, 0x71a, 0x713,
+  0x70d, 0x707, 0x700, 0x6fa, 0x6f4, 0x6ee, 0x6e7, 0x6e1,
+  0x6db, 0x6d5, 0x6ce, 0x6c8, 0x6c2, 0x6bb, 0x6b5, 0x6af,
+  0x6a9, 0x6a2, 0x69c, 0x696, 0x690, 0x689, 0x683, 0x67d,
+  0x676, 0x670, 0x66a, 0x664, 0x65d, 0x657, 0x651, 0x64a,
+  0x644, 0x63e, 0x638, 0x631, 0x62b, 0x625, 0x61f, 0x618,
+  0x612, 0x60c, 0x605, 0x5ff, 0x5f9, 0x5f3, 0x5ec, 0x5e6,
+  0x5e0, 0x5da, 0x5d3, 0x5cd, 0x5c7, 0x5c0, 0x5ba, 0x5b4,
+  0x5ae, 0x5a7, 0x5a1, 0x59b, 0x594, 0x58e, 0x588, 0x582,
+  0x57b, 0x575, 0x56f, 0x569, 0x562, 0x55c, 0x556, 0x54f,
+  0x549, 0x543, 0x53d, 0x536, 0x530, 0x52a, 0x523, 0x51d,
+  0x517, 0x511, 0x50a, 0x504, 0x4fe, 0x4f8, 0x4f1, 0x4eb,
+  0x4e5, 0x4de, 0x4d8, 0x4d2, 0x4cc, 0x4c5, 0x4bf, 0x4b9,
+  0x4b2, 0x4ac, 0x4a6, 0x4a0, 0x499, 0x493, 0x48d, 0x487,
+  0x480, 0x47a, 0x474, 0x46d, 0x467, 0x461, 0x45b, 0x454,
+  0x44e, 0x448, 0x441, 0x43b, 0x435, 0x42f, 0x428, 0x422,
+  0x41c, 0x415, 0x40f, 0x409, 0x403, 0x3fc, 0x3f6, 0x3f0,
+  0x3ea, 0x3e3, 0x3dd, 0x3d7, 0x3d0, 0x3ca, 0x3c4, 0x3be,
+  0x3b7, 0x3b1, 0x3ab, 0x3a4, 0x39e, 0x398, 0x392, 0x38b,
+  0x385, 0x37f, 0x378, 0x372, 0x36c, 0x366, 0x35f, 0x359,
+  0x353, 0x34c, 0x346, 0x340, 0x33a, 0x333, 0x32d, 0x327,
+  0x321, 0x31a, 0x314, 0x30e, 0x307, 0x301, 0x2fb, 0x2f5,
+  0x2ee, 0x2e8, 0x2e2, 0x2db, 0x2d5, 0x2cf, 0x2c9, 0x2c2,
+  0x2bc, 0x2b6, 0x2af, 0x2a9, 0x2a3, 0x29d, 0x296, 0x290,
+  0x28a, 0x283, 0x27d, 0x277, 0x271, 0x26a, 0x264, 0x25e,
+  0x258, 0x251, 0x24b, 0x245, 0x23e, 0x238, 0x232, 0x22c,
+  0x225, 0x21f, 0x219, 0x212, 0x20c, 0x206, 0x200, 0x1f9,
+  0x1f3, 0x1ed, 0x1e6, 0x1e0, 0x1da, 0x1d4, 0x1cd, 0x1c7,
+  0x1c1, 0x1ba, 0x1b4, 0x1ae, 0x1a8, 0x1a1, 0x19b, 0x195,
+  0x18e, 0x188, 0x182, 0x17c, 0x175, 0x16f, 0x169, 0x162,
+  0x15c, 0x156, 0x150, 0x149, 0x143, 0x13d, 0x137, 0x130,
+  0x12a, 0x124, 0x11d, 0x117, 0x111, 0x10b, 0x104, 0xfe,
+  0xf8, 0xf1, 0xeb, 0xe5, 0xdf, 0xd8, 0xd2, 0xcc,
+  0xc5, 0xbf, 0xb9, 0xb3, 0xac, 0xa6, 0xa0, 0x99,
+  0x93, 0x8d, 0x87, 0x80, 0x7a, 0x74, 0x6d, 0x67,
+  0x61, 0x5b, 0x54, 0x4e, 0x48, 0x41, 0x3b, 0x35,
+  0x2f, 0x28, 0x22, 0x1c, 0x15, 0xf, 0x9, 0x3,
+};
+
+/**    
+ * @brief  Initialization function for the Q15 DCT4/IDCT4.   
+ * @param[in,out] *S         points to an instance of Q15 DCT4/IDCT4 structure.   
+ * @param[in]     *S_RFFT    points to an instance of Q15 RFFT/RIFFT structure.   
+ * @param[in]     *S_CFFT    points to an instance of Q15 CFFT/CIFFT structure.   
+ * @param[in]     N          length of the DCT4.   
+ * @param[in]     Nby2       half of the length of the DCT4.   
+ * @param[in]     normalize  normalizing factor.   
+ * @return  	  arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if N is not a supported transform length.   
+ * \par Normalizing factor:    
+ * The normalizing factor is sqrt(2/N), which depends on the size of transform N.    
+ * Normalizing factors in 1.15 format are mentioned in the table below for different DCT sizes:    
+ * \image html dct4NormalizingQ15Table.gif    
+ */
+
+arm_status arm_dct4_init_q15(
+  arm_dct4_instance_q15 * S,
+  arm_rfft_instance_q15 * S_RFFT,
+  arm_cfft_radix4_instance_q15 * S_CFFT,
+  uint16_t N,
+  uint16_t Nby2,
+  q15_t normalize)
+{
+  /*  Initialise the default arm status */
+  arm_status status = ARM_MATH_SUCCESS;
+
+  /* Initializing the pointer array with the weight table base addresses of different lengths */
+  q15_t *twiddlePtr[4] = { (q15_t *) WeightsQ15_128, (q15_t *) WeightsQ15_512,
+    (q15_t *) WeightsQ15_2048, (q15_t *) WeightsQ15_8192
+  };
+
+  /* Initializing the pointer array with the cos factor table base addresses of different lengths */
+  q15_t *pCosFactor[4] =
+    { (q15_t *) cos_factorsQ15_128, (q15_t *) cos_factorsQ15_512,
+    (q15_t *) cos_factorsQ15_2048, (q15_t *) cos_factorsQ15_8192
+  };
+
+  /* Initialize the DCT4 length */
+  S->N = N;
+
+  /* Initialize the half of DCT4 length */
+  S->Nby2 = Nby2;
+
+  /* Initialize the DCT4 Normalizing factor */
+  S->normalize = normalize;
+
+  /* Initialize Real FFT Instance */
+  S->pRfft = S_RFFT;
+
+  /* Initialize Complex FFT Instance */
+  S->pCfft = S_CFFT;
+
+  switch (N)
+  {
+    /* Initialize the table modifier values */
+  case 8192u:
+    S->pTwiddle = twiddlePtr[3];
+    S->pCosFactor = pCosFactor[3];
+    break;
+  case 2048u:
+    S->pTwiddle = twiddlePtr[2];
+    S->pCosFactor = pCosFactor[2];
+    break;
+  case 512u:
+    S->pTwiddle = twiddlePtr[1];
+    S->pCosFactor = pCosFactor[1];
+    break;
+  case 128u:
+    S->pTwiddle = twiddlePtr[0];
+    S->pCosFactor = pCosFactor[0];
+    break;
+  default:
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+
+  /* Initialize the RFFT/RIFFT */
+  arm_rfft_init_q15(S->pRfft, S->pCfft, S->N, 0u, 1u);
+
+  /* return the status of DCT4 Init function */
+  return (status);
+}
+
+/**    
+   * @} end of DCT4_IDCT4 group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_init_q31.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_init_q31.c
new file mode 100644
index 0000000000..9294ae062c
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_init_q31.c
@@ -0,0 +1,8356 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_dct4_init_q31.c    
+*    
+* Description:	Initialization function of DCT-4 & IDCT4 Q31    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+/**    
+ * @addtogroup DCT4_IDCT4    
+ * @{    
+ */
+
+/*    
+* @brief  Weights Table    
+*/
+
+/**    
+* \par    
+* Weights tables are generated using the formula : 
weights[n] = e^(-j*n*pi/(2*N))
    
+* \par    
+* C command to generate the table    
+* 
    
+* for(i = 0; i< N; i++)    
+* {    
+*   weights[2*i]= cos(i*c);    
+*   weights[(2*i)+1]= -sin(i * c);    
+* } 
    
+* \par    
+* where N is the Number of weights to be calculated and c is pi/(2*N)    
+* \par    
+* Convert the output to q31 format by multiplying with 2^31 and saturated if required.    
+* \par    
+* In the tables below the real and imaginary values are placed alternatively, hence the    
+* array length is 2*N.    
+*/
+
+static const q31_t WeightsQ31_128[256] = {
+  0x7fffffff, 0x0, 0x7ffd885a, 0xfe6de2e0, 0x7ff62182, 0xfcdbd541, 0x7fe9cbc0,
+  0xfb49e6a3,
+  0x7fd8878e, 0xf9b82684, 0x7fc25596, 0xf826a462, 0x7fa736b4, 0xf6956fb7,
+  0x7f872bf3, 0xf50497fb,
+  0x7f62368f, 0xf3742ca2, 0x7f3857f6, 0xf1e43d1c, 0x7f0991c4, 0xf054d8d5,
+  0x7ed5e5c6, 0xeec60f31,
+  0x7e9d55fc, 0xed37ef91, 0x7e5fe493, 0xebaa894f, 0x7e1d93ea, 0xea1debbb,
+  0x7dd6668f, 0xe8922622,
+  0x7d8a5f40, 0xe70747c4, 0x7d3980ec, 0xe57d5fda, 0x7ce3ceb2, 0xe3f47d96,
+  0x7c894bde, 0xe26cb01b,
+  0x7c29fbee, 0xe0e60685, 0x7bc5e290, 0xdf608fe4, 0x7b5d039e, 0xdddc5b3b,
+  0x7aef6323, 0xdc597781,
+  0x7a7d055b, 0xdad7f3a2, 0x7a05eead, 0xd957de7a, 0x798a23b1, 0xd7d946d8,
+  0x7909a92d, 0xd65c3b7b,
+  0x78848414, 0xd4e0cb15, 0x77fab989, 0xd3670446, 0x776c4edb, 0xd1eef59e,
+  0x76d94989, 0xd078ad9e,
+  0x7641af3d, 0xcf043ab3, 0x75a585cf, 0xcd91ab39, 0x7504d345, 0xcc210d79,
+  0x745f9dd1, 0xcab26fa9,
+  0x73b5ebd1, 0xc945dfec, 0x7307c3d0, 0xc7db6c50, 0x72552c85, 0xc67322ce,
+  0x719e2cd2, 0xc50d1149,
+  0x70e2cbc6, 0xc3a94590, 0x7023109a, 0xc247cd5a, 0x6f5f02b2, 0xc0e8b648,
+  0x6e96a99d, 0xbf8c0de3,
+  0x6dca0d14, 0xbe31e19b, 0x6cf934fc, 0xbcda3ecb, 0x6c242960, 0xbb8532b0,
+  0x6b4af279, 0xba32ca71,
+  0x6a6d98a4, 0xb8e31319, 0x698c246c, 0xb796199b, 0x68a69e81, 0xb64beacd,
+  0x67bd0fbd, 0xb5049368,
+  0x66cf8120, 0xb3c0200c, 0x65ddfbd3, 0xb27e9d3c, 0x64e88926, 0xb140175b,
+  0x63ef3290, 0xb0049ab3,
+  0x62f201ac, 0xaecc336c, 0x61f1003f, 0xad96ed92, 0x60ec3830, 0xac64d510,
+  0x5fe3b38d, 0xab35f5b5,
+  0x5ed77c8a, 0xaa0a5b2e, 0x5dc79d7c, 0xa8e21106, 0x5cb420e0, 0xa7bd22ac,
+  0x5b9d1154, 0xa69b9b68,
+  0x5a82799a, 0xa57d8666, 0x59646498, 0xa462eeac, 0x5842dd54, 0xa34bdf20,
+  0x571deefa, 0xa2386284,
+  0x55f5a4d2, 0xa1288376, 0x54ca0a4b, 0xa01c4c73, 0x539b2af0, 0x9f13c7d0,
+  0x5269126e, 0x9e0effc1,
+  0x5133cc94, 0x9d0dfe54, 0x4ffb654d, 0x9c10cd70, 0x4ebfe8a5, 0x9b1776da,
+  0x4d8162c4, 0x9a22042d,
+  0x4c3fdff4, 0x99307ee0, 0x4afb6c98, 0x9842f043, 0x49b41533, 0x9759617f,
+  0x4869e665, 0x9673db94,
+  0x471cece7, 0x9592675c, 0x45cd358f, 0x94b50d87, 0x447acd50, 0x93dbd6a0,
+  0x4325c135, 0x9306cb04,
+  0x41ce1e65, 0x9235f2ec, 0x4073f21d, 0x91695663, 0x3f1749b8, 0x90a0fd4e,
+  0x3db832a6, 0x8fdcef66,
+  0x3c56ba70, 0x8f1d343a, 0x3af2eeb7, 0x8e61d32e, 0x398cdd32, 0x8daad37b,
+  0x382493b0, 0x8cf83c30,
+  0x36ba2014, 0x8c4a142f, 0x354d9057, 0x8ba0622f, 0x33def287, 0x8afb2cbb,
+  0x326e54c7, 0x8a5a7a31,
+  0x30fbc54d, 0x89be50c3, 0x2f875262, 0x8926b677, 0x2e110a62, 0x8893b125,
+  0x2c98fbba, 0x88054677,
+  0x2b1f34eb, 0x877b7bec, 0x29a3c485, 0x86f656d3, 0x2826b928, 0x8675dc4f,
+  0x26a82186, 0x85fa1153,
+  0x25280c5e, 0x8582faa5, 0x23a6887f, 0x85109cdd, 0x2223a4c5, 0x84a2fc62,
+  0x209f701c, 0x843a1d70,
+  0x1f19f97b, 0x83d60412, 0x1d934fe5, 0x8376b422, 0x1c0b826a, 0x831c314e,
+  0x1a82a026, 0x82c67f14,
+  0x18f8b83c, 0x8275a0c0, 0x176dd9de, 0x82299971, 0x15e21445, 0x81e26c16,
+  0x145576b1, 0x81a01b6d,
+  0x12c8106f, 0x8162aa04, 0x1139f0cf, 0x812a1a3a, 0xfab272b, 0x80f66e3c,
+  0xe1bc2e4, 0x80c7a80a,
+  0xc8bd35e, 0x809dc971, 0xafb6805, 0x8078d40d, 0x96a9049, 0x8058c94c,
+  0x7d95b9e, 0x803daa6a,
+  0x647d97c, 0x80277872, 0x4b6195d, 0x80163440, 0x3242abf, 0x8009de7e,
+  0x1921d20, 0x800277a6,
+};
+
+static const q31_t WeightsQ31_512[1024] = {
+  0x7fffffff, 0x0, 0x7fffd886, 0xff9b781d, 0x7fff6216, 0xff36f078, 0x7ffe9cb2,
+  0xfed2694f,
+  0x7ffd885a, 0xfe6de2e0, 0x7ffc250f, 0xfe095d69, 0x7ffa72d1, 0xfda4d929,
+  0x7ff871a2, 0xfd40565c,
+  0x7ff62182, 0xfcdbd541, 0x7ff38274, 0xfc775616, 0x7ff09478, 0xfc12d91a,
+  0x7fed5791, 0xfbae5e89,
+  0x7fe9cbc0, 0xfb49e6a3, 0x7fe5f108, 0xfae571a4, 0x7fe1c76b, 0xfa80ffcb,
+  0x7fdd4eec, 0xfa1c9157,
+  0x7fd8878e, 0xf9b82684, 0x7fd37153, 0xf953bf91, 0x7fce0c3e, 0xf8ef5cbb,
+  0x7fc85854, 0xf88afe42,
+  0x7fc25596, 0xf826a462, 0x7fbc040a, 0xf7c24f59, 0x7fb563b3, 0xf75dff66,
+  0x7fae7495, 0xf6f9b4c6,
+  0x7fa736b4, 0xf6956fb7, 0x7f9faa15, 0xf6313077, 0x7f97cebd, 0xf5ccf743,
+  0x7f8fa4b0, 0xf568c45b,
+  0x7f872bf3, 0xf50497fb, 0x7f7e648c, 0xf4a07261, 0x7f754e80, 0xf43c53cb,
+  0x7f6be9d4, 0xf3d83c77,
+  0x7f62368f, 0xf3742ca2, 0x7f5834b7, 0xf310248a, 0x7f4de451, 0xf2ac246e,
+  0x7f434563, 0xf2482c8a,
+  0x7f3857f6, 0xf1e43d1c, 0x7f2d1c0e, 0xf1805662, 0x7f2191b4, 0xf11c789a,
+  0x7f15b8ee, 0xf0b8a401,
+  0x7f0991c4, 0xf054d8d5, 0x7efd1c3c, 0xeff11753, 0x7ef05860, 0xef8d5fb8,
+  0x7ee34636, 0xef29b243,
+  0x7ed5e5c6, 0xeec60f31, 0x7ec8371a, 0xee6276bf, 0x7eba3a39, 0xedfee92b,
+  0x7eabef2c, 0xed9b66b2,
+  0x7e9d55fc, 0xed37ef91, 0x7e8e6eb2, 0xecd48407, 0x7e7f3957, 0xec71244f,
+  0x7e6fb5f4, 0xec0dd0a8,
+  0x7e5fe493, 0xebaa894f, 0x7e4fc53e, 0xeb474e81, 0x7e3f57ff, 0xeae4207a,
+  0x7e2e9cdf, 0xea80ff7a,
+  0x7e1d93ea, 0xea1debbb, 0x7e0c3d29, 0xe9bae57d, 0x7dfa98a8, 0xe957ecfb,
+  0x7de8a670, 0xe8f50273,
+  0x7dd6668f, 0xe8922622, 0x7dc3d90d, 0xe82f5844, 0x7db0fdf8, 0xe7cc9917,
+  0x7d9dd55a, 0xe769e8d8,
+  0x7d8a5f40, 0xe70747c4, 0x7d769bb5, 0xe6a4b616, 0x7d628ac6, 0xe642340d,
+  0x7d4e2c7f, 0xe5dfc1e5,
+  0x7d3980ec, 0xe57d5fda, 0x7d24881b, 0xe51b0e2a, 0x7d0f4218, 0xe4b8cd11,
+  0x7cf9aef0, 0xe4569ccb,
+  0x7ce3ceb2, 0xe3f47d96, 0x7ccda169, 0xe3926fad, 0x7cb72724, 0xe330734d,
+  0x7ca05ff1, 0xe2ce88b3,
+  0x7c894bde, 0xe26cb01b, 0x7c71eaf9, 0xe20ae9c1, 0x7c5a3d50, 0xe1a935e2,
+  0x7c4242f2, 0xe14794ba,
+  0x7c29fbee, 0xe0e60685, 0x7c116853, 0xe0848b7f, 0x7bf88830, 0xe02323e5,
+  0x7bdf5b94, 0xdfc1cff3,
+  0x7bc5e290, 0xdf608fe4, 0x7bac1d31, 0xdeff63f4, 0x7b920b89, 0xde9e4c60,
+  0x7b77ada8, 0xde3d4964,
+  0x7b5d039e, 0xdddc5b3b, 0x7b420d7a, 0xdd7b8220, 0x7b26cb4f, 0xdd1abe51,
+  0x7b0b3d2c, 0xdcba1008,
+  0x7aef6323, 0xdc597781, 0x7ad33d45, 0xdbf8f4f8, 0x7ab6cba4, 0xdb9888a8,
+  0x7a9a0e50, 0xdb3832cd,
+  0x7a7d055b, 0xdad7f3a2, 0x7a5fb0d8, 0xda77cb63, 0x7a4210d8, 0xda17ba4a,
+  0x7a24256f, 0xd9b7c094,
+  0x7a05eead, 0xd957de7a, 0x79e76ca7, 0xd8f81439, 0x79c89f6e, 0xd898620c,
+  0x79a98715, 0xd838c82d,
+  0x798a23b1, 0xd7d946d8, 0x796a7554, 0xd779de47, 0x794a7c12, 0xd71a8eb5,
+  0x792a37fe, 0xd6bb585e,
+  0x7909a92d, 0xd65c3b7b, 0x78e8cfb2, 0xd5fd3848, 0x78c7aba2, 0xd59e4eff,
+  0x78a63d11, 0xd53f7fda,
+  0x78848414, 0xd4e0cb15, 0x786280bf, 0xd48230e9, 0x78403329, 0xd423b191,
+  0x781d9b65, 0xd3c54d47,
+  0x77fab989, 0xd3670446, 0x77d78daa, 0xd308d6c7, 0x77b417df, 0xd2aac504,
+  0x7790583e, 0xd24ccf39,
+  0x776c4edb, 0xd1eef59e, 0x7747fbce, 0xd191386e, 0x77235f2d, 0xd13397e2,
+  0x76fe790e, 0xd0d61434,
+  0x76d94989, 0xd078ad9e, 0x76b3d0b4, 0xd01b6459, 0x768e0ea6, 0xcfbe389f,
+  0x76680376, 0xcf612aaa,
+  0x7641af3d, 0xcf043ab3, 0x761b1211, 0xcea768f2, 0x75f42c0b, 0xce4ab5a2,
+  0x75ccfd42, 0xcdee20fc,
+  0x75a585cf, 0xcd91ab39, 0x757dc5ca, 0xcd355491, 0x7555bd4c, 0xccd91d3d,
+  0x752d6c6c, 0xcc7d0578,
+  0x7504d345, 0xcc210d79, 0x74dbf1ef, 0xcbc53579, 0x74b2c884, 0xcb697db0,
+  0x7489571c, 0xcb0de658,
+  0x745f9dd1, 0xcab26fa9, 0x74359cbd, 0xca5719db, 0x740b53fb, 0xc9fbe527,
+  0x73e0c3a3, 0xc9a0d1c5,
+  0x73b5ebd1, 0xc945dfec, 0x738acc9e, 0xc8eb0fd6, 0x735f6626, 0xc89061ba,
+  0x7333b883, 0xc835d5d0,
+  0x7307c3d0, 0xc7db6c50, 0x72db8828, 0xc7812572, 0x72af05a7, 0xc727016d,
+  0x72823c67, 0xc6cd0079,
+  0x72552c85, 0xc67322ce, 0x7227d61c, 0xc61968a2, 0x71fa3949, 0xc5bfd22e,
+  0x71cc5626, 0xc5665fa9,
+  0x719e2cd2, 0xc50d1149, 0x716fbd68, 0xc4b3e746, 0x71410805, 0xc45ae1d7,
+  0x71120cc5, 0xc4020133,
+  0x70e2cbc6, 0xc3a94590, 0x70b34525, 0xc350af26, 0x708378ff, 0xc2f83e2a,
+  0x70536771, 0xc29ff2d4,
+  0x7023109a, 0xc247cd5a, 0x6ff27497, 0xc1efcdf3, 0x6fc19385, 0xc197f4d4,
+  0x6f906d84, 0xc1404233,
+  0x6f5f02b2, 0xc0e8b648, 0x6f2d532c, 0xc0915148, 0x6efb5f12, 0xc03a1368,
+  0x6ec92683, 0xbfe2fcdf,
+  0x6e96a99d, 0xbf8c0de3, 0x6e63e87f, 0xbf3546a8, 0x6e30e34a, 0xbedea765,
+  0x6dfd9a1c, 0xbe88304f,
+  0x6dca0d14, 0xbe31e19b, 0x6d963c54, 0xbddbbb7f, 0x6d6227fa, 0xbd85be30,
+  0x6d2dd027, 0xbd2fe9e2,
+  0x6cf934fc, 0xbcda3ecb, 0x6cc45698, 0xbc84bd1f, 0x6c8f351c, 0xbc2f6513,
+  0x6c59d0a9, 0xbbda36dd,
+  0x6c242960, 0xbb8532b0, 0x6bee3f62, 0xbb3058c0, 0x6bb812d1, 0xbadba943,
+  0x6b81a3cd, 0xba87246d,
+  0x6b4af279, 0xba32ca71, 0x6b13fef5, 0xb9de9b83, 0x6adcc964, 0xb98a97d8,
+  0x6aa551e9, 0xb936bfa4,
+  0x6a6d98a4, 0xb8e31319, 0x6a359db9, 0xb88f926d, 0x69fd614a, 0xb83c3dd1,
+  0x69c4e37a, 0xb7e9157a,
+  0x698c246c, 0xb796199b, 0x69532442, 0xb7434a67, 0x6919e320, 0xb6f0a812,
+  0x68e06129, 0xb69e32cd,
+  0x68a69e81, 0xb64beacd, 0x686c9b4b, 0xb5f9d043, 0x683257ab, 0xb5a7e362,
+  0x67f7d3c5, 0xb556245e,
+  0x67bd0fbd, 0xb5049368, 0x67820bb7, 0xb4b330b3, 0x6746c7d8, 0xb461fc70,
+  0x670b4444, 0xb410f6d3,
+  0x66cf8120, 0xb3c0200c, 0x66937e91, 0xb36f784f, 0x66573cbb, 0xb31effcc,
+  0x661abbc5, 0xb2ceb6b5,
+  0x65ddfbd3, 0xb27e9d3c, 0x65a0fd0b, 0xb22eb392, 0x6563bf92, 0xb1def9e9,
+  0x6526438f, 0xb18f7071,
+  0x64e88926, 0xb140175b, 0x64aa907f, 0xb0f0eeda, 0x646c59bf, 0xb0a1f71d,
+  0x642de50d, 0xb0533055,
+  0x63ef3290, 0xb0049ab3, 0x63b0426d, 0xafb63667, 0x637114cc, 0xaf6803a2,
+  0x6331a9d4, 0xaf1a0293,
+  0x62f201ac, 0xaecc336c, 0x62b21c7b, 0xae7e965b, 0x6271fa69, 0xae312b92,
+  0x62319b9d, 0xade3f33e,
+  0x61f1003f, 0xad96ed92, 0x61b02876, 0xad4a1aba, 0x616f146c, 0xacfd7ae8,
+  0x612dc447, 0xacb10e4b,
+  0x60ec3830, 0xac64d510, 0x60aa7050, 0xac18cf69, 0x60686ccf, 0xabccfd83,
+  0x60262dd6, 0xab815f8d,
+  0x5fe3b38d, 0xab35f5b5, 0x5fa0fe1f, 0xaaeac02c, 0x5f5e0db3, 0xaa9fbf1e,
+  0x5f1ae274, 0xaa54f2ba,
+  0x5ed77c8a, 0xaa0a5b2e, 0x5e93dc1f, 0xa9bff8a8, 0x5e50015d, 0xa975cb57,
+  0x5e0bec6e, 0xa92bd367,
+  0x5dc79d7c, 0xa8e21106, 0x5d8314b1, 0xa8988463, 0x5d3e5237, 0xa84f2daa,
+  0x5cf95638, 0xa8060d08,
+  0x5cb420e0, 0xa7bd22ac, 0x5c6eb258, 0xa7746ec0, 0x5c290acc, 0xa72bf174,
+  0x5be32a67, 0xa6e3aaf2,
+  0x5b9d1154, 0xa69b9b68, 0x5b56bfbd, 0xa653c303, 0x5b1035cf, 0xa60c21ee,
+  0x5ac973b5, 0xa5c4b855,
+  0x5a82799a, 0xa57d8666, 0x5a3b47ab, 0xa5368c4b, 0x59f3de12, 0xa4efca31,
+  0x59ac3cfd, 0xa4a94043,
+  0x59646498, 0xa462eeac, 0x591c550e, 0xa41cd599, 0x58d40e8c, 0xa3d6f534,
+  0x588b9140, 0xa3914da8,
+  0x5842dd54, 0xa34bdf20, 0x57f9f2f8, 0xa306a9c8, 0x57b0d256, 0xa2c1adc9,
+  0x57677b9d, 0xa27ceb4f,
+  0x571deefa, 0xa2386284, 0x56d42c99, 0xa1f41392, 0x568a34a9, 0xa1affea3,
+  0x56400758, 0xa16c23e1,
+  0x55f5a4d2, 0xa1288376, 0x55ab0d46, 0xa0e51d8c, 0x556040e2, 0xa0a1f24d,
+  0x55153fd4, 0xa05f01e1,
+  0x54ca0a4b, 0xa01c4c73, 0x547ea073, 0x9fd9d22a, 0x5433027d, 0x9f979331,
+  0x53e73097, 0x9f558fb0,
+  0x539b2af0, 0x9f13c7d0, 0x534ef1b5, 0x9ed23bb9, 0x53028518, 0x9e90eb94,
+  0x52b5e546, 0x9e4fd78a,
+  0x5269126e, 0x9e0effc1, 0x521c0cc2, 0x9dce6463, 0x51ced46e, 0x9d8e0597,
+  0x518169a5, 0x9d4de385,
+  0x5133cc94, 0x9d0dfe54, 0x50e5fd6d, 0x9cce562c, 0x5097fc5e, 0x9c8eeb34,
+  0x5049c999, 0x9c4fbd93,
+  0x4ffb654d, 0x9c10cd70, 0x4faccfab, 0x9bd21af3, 0x4f5e08e3, 0x9b93a641,
+  0x4f0f1126, 0x9b556f81,
+  0x4ebfe8a5, 0x9b1776da, 0x4e708f8f, 0x9ad9bc71, 0x4e210617, 0x9a9c406e,
+  0x4dd14c6e, 0x9a5f02f5,
+  0x4d8162c4, 0x9a22042d, 0x4d31494b, 0x99e5443b, 0x4ce10034, 0x99a8c345,
+  0x4c9087b1, 0x996c816f,
+  0x4c3fdff4, 0x99307ee0, 0x4bef092d, 0x98f4bbbc, 0x4b9e0390, 0x98b93828,
+  0x4b4ccf4d, 0x987df449,
+  0x4afb6c98, 0x9842f043, 0x4aa9dba2, 0x98082c3b, 0x4a581c9e, 0x97cda855,
+  0x4a062fbd, 0x979364b5,
+  0x49b41533, 0x9759617f, 0x4961cd33, 0x971f9ed7, 0x490f57ee, 0x96e61ce0,
+  0x48bcb599, 0x96acdbbe,
+  0x4869e665, 0x9673db94, 0x4816ea86, 0x963b1c86, 0x47c3c22f, 0x96029eb6,
+  0x47706d93, 0x95ca6247,
+  0x471cece7, 0x9592675c, 0x46c9405c, 0x955aae17, 0x46756828, 0x9523369c,
+  0x4621647d, 0x94ec010b,
+  0x45cd358f, 0x94b50d87, 0x4578db93, 0x947e5c33, 0x452456bd, 0x9447ed2f,
+  0x44cfa740, 0x9411c09e,
+  0x447acd50, 0x93dbd6a0, 0x4425c923, 0x93a62f57, 0x43d09aed, 0x9370cae4,
+  0x437b42e1, 0x933ba968,
+  0x4325c135, 0x9306cb04, 0x42d0161e, 0x92d22fd9, 0x427a41d0, 0x929dd806,
+  0x42244481, 0x9269c3ac,
+  0x41ce1e65, 0x9235f2ec, 0x4177cfb1, 0x920265e4, 0x4121589b, 0x91cf1cb6,
+  0x40cab958, 0x919c1781,
+  0x4073f21d, 0x91695663, 0x401d0321, 0x9136d97d, 0x3fc5ec98, 0x9104a0ee,
+  0x3f6eaeb8, 0x90d2acd4,
+  0x3f1749b8, 0x90a0fd4e, 0x3ebfbdcd, 0x906f927c, 0x3e680b2c, 0x903e6c7b,
+  0x3e10320d, 0x900d8b69,
+  0x3db832a6, 0x8fdcef66, 0x3d600d2c, 0x8fac988f, 0x3d07c1d6, 0x8f7c8701,
+  0x3caf50da, 0x8f4cbadb,
+  0x3c56ba70, 0x8f1d343a, 0x3bfdfecd, 0x8eedf33b, 0x3ba51e29, 0x8ebef7fb,
+  0x3b4c18ba, 0x8e904298,
+  0x3af2eeb7, 0x8e61d32e, 0x3a99a057, 0x8e33a9da, 0x3a402dd2, 0x8e05c6b7,
+  0x39e6975e, 0x8dd829e4,
+  0x398cdd32, 0x8daad37b, 0x3932ff87, 0x8d7dc399, 0x38d8fe93, 0x8d50fa59,
+  0x387eda8e, 0x8d2477d8,
+  0x382493b0, 0x8cf83c30, 0x37ca2a30, 0x8ccc477d, 0x376f9e46, 0x8ca099da,
+  0x3714f02a, 0x8c753362,
+  0x36ba2014, 0x8c4a142f, 0x365f2e3b, 0x8c1f3c5d, 0x36041ad9, 0x8bf4ac05,
+  0x35a8e625, 0x8bca6343,
+  0x354d9057, 0x8ba0622f, 0x34f219a8, 0x8b76a8e4, 0x34968250, 0x8b4d377c,
+  0x343aca87, 0x8b240e11,
+  0x33def287, 0x8afb2cbb, 0x3382fa88, 0x8ad29394, 0x3326e2c3, 0x8aaa42b4,
+  0x32caab6f, 0x8a823a36,
+  0x326e54c7, 0x8a5a7a31, 0x3211df04, 0x8a3302be, 0x31b54a5e, 0x8a0bd3f5,
+  0x3158970e, 0x89e4edef,
+  0x30fbc54d, 0x89be50c3, 0x309ed556, 0x8997fc8a, 0x3041c761, 0x8971f15a,
+  0x2fe49ba7, 0x894c2f4c,
+  0x2f875262, 0x8926b677, 0x2f29ebcc, 0x890186f2, 0x2ecc681e, 0x88dca0d3,
+  0x2e6ec792, 0x88b80432,
+  0x2e110a62, 0x8893b125, 0x2db330c7, 0x886fa7c2, 0x2d553afc, 0x884be821,
+  0x2cf72939, 0x88287256,
+  0x2c98fbba, 0x88054677, 0x2c3ab2b9, 0x87e2649b, 0x2bdc4e6f, 0x87bfccd7,
+  0x2b7dcf17, 0x879d7f41,
+  0x2b1f34eb, 0x877b7bec, 0x2ac08026, 0x8759c2ef, 0x2a61b101, 0x8738545e,
+  0x2a02c7b8, 0x8717304e,
+  0x29a3c485, 0x86f656d3, 0x2944a7a2, 0x86d5c802, 0x28e5714b, 0x86b583ee,
+  0x288621b9, 0x86958aac,
+  0x2826b928, 0x8675dc4f, 0x27c737d3, 0x865678eb, 0x27679df4, 0x86376092,
+  0x2707ebc7, 0x86189359,
+  0x26a82186, 0x85fa1153, 0x26483f6c, 0x85dbda91, 0x25e845b6, 0x85bdef28,
+  0x2588349d, 0x85a04f28,
+  0x25280c5e, 0x8582faa5, 0x24c7cd33, 0x8565f1b0, 0x24677758, 0x8549345c,
+  0x24070b08, 0x852cc2bb,
+  0x23a6887f, 0x85109cdd, 0x2345eff8, 0x84f4c2d4, 0x22e541af, 0x84d934b1,
+  0x22847de0, 0x84bdf286,
+  0x2223a4c5, 0x84a2fc62, 0x21c2b69c, 0x84885258, 0x2161b3a0, 0x846df477,
+  0x21009c0c, 0x8453e2cf,
+  0x209f701c, 0x843a1d70, 0x203e300d, 0x8420a46c, 0x1fdcdc1b, 0x840777d0,
+  0x1f7b7481, 0x83ee97ad,
+  0x1f19f97b, 0x83d60412, 0x1eb86b46, 0x83bdbd0e, 0x1e56ca1e, 0x83a5c2b0,
+  0x1df5163f, 0x838e1507,
+  0x1d934fe5, 0x8376b422, 0x1d31774d, 0x835fa00f, 0x1ccf8cb3, 0x8348d8dc,
+  0x1c6d9053, 0x83325e97,
+  0x1c0b826a, 0x831c314e, 0x1ba96335, 0x83065110, 0x1b4732ef, 0x82f0bde8,
+  0x1ae4f1d6, 0x82db77e5,
+  0x1a82a026, 0x82c67f14, 0x1a203e1b, 0x82b1d381, 0x19bdcbf3, 0x829d753a,
+  0x195b49ea, 0x8289644b,
+  0x18f8b83c, 0x8275a0c0, 0x18961728, 0x82622aa6, 0x183366e9, 0x824f0208,
+  0x17d0a7bc, 0x823c26f3,
+  0x176dd9de, 0x82299971, 0x170afd8d, 0x82175990, 0x16a81305, 0x82056758,
+  0x16451a83, 0x81f3c2d7,
+  0x15e21445, 0x81e26c16, 0x157f0086, 0x81d16321, 0x151bdf86, 0x81c0a801,
+  0x14b8b17f, 0x81b03ac2,
+  0x145576b1, 0x81a01b6d, 0x13f22f58, 0x81904a0c, 0x138edbb1, 0x8180c6a9,
+  0x132b7bf9, 0x8171914e,
+  0x12c8106f, 0x8162aa04, 0x1264994e, 0x815410d4, 0x120116d5, 0x8145c5c7,
+  0x119d8941, 0x8137c8e6,
+  0x1139f0cf, 0x812a1a3a, 0x10d64dbd, 0x811cb9ca, 0x1072a048, 0x810fa7a0,
+  0x100ee8ad, 0x8102e3c4,
+  0xfab272b, 0x80f66e3c, 0xf475bff, 0x80ea4712, 0xee38766, 0x80de6e4c,
+  0xe7fa99e, 0x80d2e3f2,
+  0xe1bc2e4, 0x80c7a80a, 0xdb7d376, 0x80bcba9d, 0xd53db92, 0x80b21baf,
+  0xcefdb76, 0x80a7cb49,
+  0xc8bd35e, 0x809dc971, 0xc27c389, 0x8094162c, 0xbc3ac35, 0x808ab180,
+  0xb5f8d9f, 0x80819b74,
+  0xafb6805, 0x8078d40d, 0xa973ba5, 0x80705b50, 0xa3308bd, 0x80683143,
+  0x9cecf89, 0x806055eb,
+  0x96a9049, 0x8058c94c, 0x9064b3a, 0x80518b6b, 0x8a2009a, 0x804a9c4d,
+  0x83db0a7, 0x8043fbf6,
+  0x7d95b9e, 0x803daa6a, 0x77501be, 0x8037a7ac, 0x710a345, 0x8031f3c2,
+  0x6ac406f, 0x802c8ead,
+  0x647d97c, 0x80277872, 0x5e36ea9, 0x8022b114, 0x57f0035, 0x801e3895,
+  0x51a8e5c, 0x801a0ef8,
+  0x4b6195d, 0x80163440, 0x451a177, 0x8012a86f, 0x3ed26e6, 0x800f6b88,
+  0x388a9ea, 0x800c7d8c,
+  0x3242abf, 0x8009de7e, 0x2bfa9a4, 0x80078e5e, 0x25b26d7, 0x80058d2f,
+  0x1f6a297, 0x8003daf1,
+  0x1921d20, 0x800277a6, 0x12d96b1, 0x8001634e, 0xc90f88, 0x80009dea,
+  0x6487e3, 0x8000277a,
+};
+
+static const q31_t WeightsQ31_2048[4096] = {
+  0x7fffffff, 0x0, 0x7ffffd88, 0xffe6de05, 0x7ffff621, 0xffcdbc0b, 0x7fffe9cb,
+  0xffb49a12,
+  0x7fffd886, 0xff9b781d, 0x7fffc251, 0xff82562c, 0x7fffa72c, 0xff69343f,
+  0x7fff8719, 0xff501258,
+  0x7fff6216, 0xff36f078, 0x7fff3824, 0xff1dcea0, 0x7fff0943, 0xff04acd0,
+  0x7ffed572, 0xfeeb8b0a,
+  0x7ffe9cb2, 0xfed2694f, 0x7ffe5f03, 0xfeb947a0, 0x7ffe1c65, 0xfea025fd,
+  0x7ffdd4d7, 0xfe870467,
+  0x7ffd885a, 0xfe6de2e0, 0x7ffd36ee, 0xfe54c169, 0x7ffce093, 0xfe3ba002,
+  0x7ffc8549, 0xfe227eac,
+  0x7ffc250f, 0xfe095d69, 0x7ffbbfe6, 0xfdf03c3a, 0x7ffb55ce, 0xfdd71b1e,
+  0x7ffae6c7, 0xfdbdfa18,
+  0x7ffa72d1, 0xfda4d929, 0x7ff9f9ec, 0xfd8bb850, 0x7ff97c18, 0xfd729790,
+  0x7ff8f954, 0xfd5976e9,
+  0x7ff871a2, 0xfd40565c, 0x7ff7e500, 0xfd2735ea, 0x7ff75370, 0xfd0e1594,
+  0x7ff6bcf0, 0xfcf4f55c,
+  0x7ff62182, 0xfcdbd541, 0x7ff58125, 0xfcc2b545, 0x7ff4dbd9, 0xfca9956a,
+  0x7ff4319d, 0xfc9075af,
+  0x7ff38274, 0xfc775616, 0x7ff2ce5b, 0xfc5e36a0, 0x7ff21553, 0xfc45174e,
+  0x7ff1575d, 0xfc2bf821,
+  0x7ff09478, 0xfc12d91a, 0x7fefcca4, 0xfbf9ba39, 0x7feeffe1, 0xfbe09b80,
+  0x7fee2e30, 0xfbc77cf0,
+  0x7fed5791, 0xfbae5e89, 0x7fec7c02, 0xfb95404d, 0x7feb9b85, 0xfb7c223d,
+  0x7feab61a, 0xfb630459,
+  0x7fe9cbc0, 0xfb49e6a3, 0x7fe8dc78, 0xfb30c91b, 0x7fe7e841, 0xfb17abc2,
+  0x7fe6ef1c, 0xfafe8e9b,
+  0x7fe5f108, 0xfae571a4, 0x7fe4ee06, 0xfacc54e0, 0x7fe3e616, 0xfab3384f,
+  0x7fe2d938, 0xfa9a1bf3,
+  0x7fe1c76b, 0xfa80ffcb, 0x7fe0b0b1, 0xfa67e3da, 0x7fdf9508, 0xfa4ec821,
+  0x7fde7471, 0xfa35ac9f,
+  0x7fdd4eec, 0xfa1c9157, 0x7fdc247a, 0xfa037648, 0x7fdaf519, 0xf9ea5b75,
+  0x7fd9c0ca, 0xf9d140de,
+  0x7fd8878e, 0xf9b82684, 0x7fd74964, 0xf99f0c68, 0x7fd6064c, 0xf985f28a,
+  0x7fd4be46, 0xf96cd8ed,
+  0x7fd37153, 0xf953bf91, 0x7fd21f72, 0xf93aa676, 0x7fd0c8a3, 0xf9218d9e,
+  0x7fcf6ce8, 0xf908750a,
+  0x7fce0c3e, 0xf8ef5cbb, 0x7fcca6a7, 0xf8d644b2, 0x7fcb3c23, 0xf8bd2cef,
+  0x7fc9ccb2, 0xf8a41574,
+  0x7fc85854, 0xf88afe42, 0x7fc6df08, 0xf871e759, 0x7fc560cf, 0xf858d0bb,
+  0x7fc3dda9, 0xf83fba68,
+  0x7fc25596, 0xf826a462, 0x7fc0c896, 0xf80d8ea9, 0x7fbf36aa, 0xf7f4793e,
+  0x7fbd9fd0, 0xf7db6423,
+  0x7fbc040a, 0xf7c24f59, 0x7fba6357, 0xf7a93ae0, 0x7fb8bdb8, 0xf79026b9,
+  0x7fb7132b, 0xf77712e5,
+  0x7fb563b3, 0xf75dff66, 0x7fb3af4e, 0xf744ec3b, 0x7fb1f5fc, 0xf72bd967,
+  0x7fb037bf, 0xf712c6ea,
+  0x7fae7495, 0xf6f9b4c6, 0x7facac7f, 0xf6e0a2fa, 0x7faadf7c, 0xf6c79188,
+  0x7fa90d8e, 0xf6ae8071,
+  0x7fa736b4, 0xf6956fb7, 0x7fa55aee, 0xf67c5f59, 0x7fa37a3c, 0xf6634f59,
+  0x7fa1949e, 0xf64a3fb8,
+  0x7f9faa15, 0xf6313077, 0x7f9dbaa0, 0xf6182196, 0x7f9bc640, 0xf5ff1318,
+  0x7f99ccf4, 0xf5e604fc,
+  0x7f97cebd, 0xf5ccf743, 0x7f95cb9a, 0xf5b3e9f0, 0x7f93c38c, 0xf59add02,
+  0x7f91b694, 0xf581d07b,
+  0x7f8fa4b0, 0xf568c45b, 0x7f8d8de1, 0xf54fb8a4, 0x7f8b7227, 0xf536ad56,
+  0x7f895182, 0xf51da273,
+  0x7f872bf3, 0xf50497fb, 0x7f850179, 0xf4eb8def, 0x7f82d214, 0xf4d28451,
+  0x7f809dc5, 0xf4b97b21,
+  0x7f7e648c, 0xf4a07261, 0x7f7c2668, 0xf4876a10, 0x7f79e35a, 0xf46e6231,
+  0x7f779b62, 0xf4555ac5,
+  0x7f754e80, 0xf43c53cb, 0x7f72fcb4, 0xf4234d45, 0x7f70a5fe, 0xf40a4735,
+  0x7f6e4a5e, 0xf3f1419a,
+  0x7f6be9d4, 0xf3d83c77, 0x7f698461, 0xf3bf37cb, 0x7f671a05, 0xf3a63398,
+  0x7f64aabf, 0xf38d2fe0,
+  0x7f62368f, 0xf3742ca2, 0x7f5fbd77, 0xf35b29e0, 0x7f5d3f75, 0xf342279b,
+  0x7f5abc8a, 0xf32925d3,
+  0x7f5834b7, 0xf310248a, 0x7f55a7fa, 0xf2f723c1, 0x7f531655, 0xf2de2379,
+  0x7f507fc7, 0xf2c523b2,
+  0x7f4de451, 0xf2ac246e, 0x7f4b43f2, 0xf29325ad, 0x7f489eaa, 0xf27a2771,
+  0x7f45f47b, 0xf26129ba,
+  0x7f434563, 0xf2482c8a, 0x7f409164, 0xf22f2fe1, 0x7f3dd87c, 0xf21633c0,
+  0x7f3b1aad, 0xf1fd3829,
+  0x7f3857f6, 0xf1e43d1c, 0x7f359057, 0xf1cb429a, 0x7f32c3d1, 0xf1b248a5,
+  0x7f2ff263, 0xf1994f3d,
+  0x7f2d1c0e, 0xf1805662, 0x7f2a40d2, 0xf1675e17, 0x7f2760af, 0xf14e665c,
+  0x7f247ba5, 0xf1356f32,
+  0x7f2191b4, 0xf11c789a, 0x7f1ea2dc, 0xf1038295, 0x7f1baf1e, 0xf0ea8d24,
+  0x7f18b679, 0xf0d19848,
+  0x7f15b8ee, 0xf0b8a401, 0x7f12b67c, 0xf09fb051, 0x7f0faf25, 0xf086bd39,
+  0x7f0ca2e7, 0xf06dcaba,
+  0x7f0991c4, 0xf054d8d5, 0x7f067bba, 0xf03be78a, 0x7f0360cb, 0xf022f6da,
+  0x7f0040f6, 0xf00a06c8,
+  0x7efd1c3c, 0xeff11753, 0x7ef9f29d, 0xefd8287c, 0x7ef6c418, 0xefbf3a45,
+  0x7ef390ae, 0xefa64cae,
+  0x7ef05860, 0xef8d5fb8, 0x7eed1b2c, 0xef747365, 0x7ee9d914, 0xef5b87b5,
+  0x7ee69217, 0xef429caa,
+  0x7ee34636, 0xef29b243, 0x7edff570, 0xef10c883, 0x7edc9fc6, 0xeef7df6a,
+  0x7ed94538, 0xeedef6f9,
+  0x7ed5e5c6, 0xeec60f31, 0x7ed28171, 0xeead2813, 0x7ecf1837, 0xee9441a0,
+  0x7ecbaa1a, 0xee7b5bd9,
+  0x7ec8371a, 0xee6276bf, 0x7ec4bf36, 0xee499253, 0x7ec14270, 0xee30ae96,
+  0x7ebdc0c6, 0xee17cb88,
+  0x7eba3a39, 0xedfee92b, 0x7eb6aeca, 0xede60780, 0x7eb31e78, 0xedcd2687,
+  0x7eaf8943, 0xedb44642,
+  0x7eabef2c, 0xed9b66b2, 0x7ea85033, 0xed8287d7, 0x7ea4ac58, 0xed69a9b3,
+  0x7ea1039b, 0xed50cc46,
+  0x7e9d55fc, 0xed37ef91, 0x7e99a37c, 0xed1f1396, 0x7e95ec1a, 0xed063856,
+  0x7e922fd6, 0xeced5dd0,
+  0x7e8e6eb2, 0xecd48407, 0x7e8aa8ac, 0xecbbaafb, 0x7e86ddc6, 0xeca2d2ad,
+  0x7e830dff, 0xec89fb1e,
+  0x7e7f3957, 0xec71244f, 0x7e7b5fce, 0xec584e41, 0x7e778166, 0xec3f78f6,
+  0x7e739e1d, 0xec26a46d,
+  0x7e6fb5f4, 0xec0dd0a8, 0x7e6bc8eb, 0xebf4fda8, 0x7e67d703, 0xebdc2b6e,
+  0x7e63e03b, 0xebc359fb,
+  0x7e5fe493, 0xebaa894f, 0x7e5be40c, 0xeb91b96c, 0x7e57dea7, 0xeb78ea52,
+  0x7e53d462, 0xeb601c04,
+  0x7e4fc53e, 0xeb474e81, 0x7e4bb13c, 0xeb2e81ca, 0x7e47985b, 0xeb15b5e1,
+  0x7e437a9c, 0xeafceac6,
+  0x7e3f57ff, 0xeae4207a, 0x7e3b3083, 0xeacb56ff, 0x7e37042a, 0xeab28e56,
+  0x7e32d2f4, 0xea99c67e,
+  0x7e2e9cdf, 0xea80ff7a, 0x7e2a61ed, 0xea683949, 0x7e26221f, 0xea4f73ee,
+  0x7e21dd73, 0xea36af69,
+  0x7e1d93ea, 0xea1debbb, 0x7e194584, 0xea0528e5, 0x7e14f242, 0xe9ec66e8,
+  0x7e109a24, 0xe9d3a5c5,
+  0x7e0c3d29, 0xe9bae57d, 0x7e07db52, 0xe9a22610, 0x7e0374a0, 0xe9896781,
+  0x7dff0911, 0xe970a9ce,
+  0x7dfa98a8, 0xe957ecfb, 0x7df62362, 0xe93f3107, 0x7df1a942, 0xe92675f4,
+  0x7ded2a47, 0xe90dbbc2,
+  0x7de8a670, 0xe8f50273, 0x7de41dc0, 0xe8dc4a07, 0x7ddf9034, 0xe8c39280,
+  0x7ddafdce, 0xe8aadbde,
+  0x7dd6668f, 0xe8922622, 0x7dd1ca75, 0xe879714d, 0x7dcd2981, 0xe860bd61,
+  0x7dc883b4, 0xe8480a5d,
+  0x7dc3d90d, 0xe82f5844, 0x7dbf298d, 0xe816a716, 0x7dba7534, 0xe7fdf6d4,
+  0x7db5bc02, 0xe7e5477f,
+  0x7db0fdf8, 0xe7cc9917, 0x7dac3b15, 0xe7b3eb9f, 0x7da77359, 0xe79b3f16,
+  0x7da2a6c6, 0xe782937e,
+  0x7d9dd55a, 0xe769e8d8, 0x7d98ff17, 0xe7513f25, 0x7d9423fc, 0xe7389665,
+  0x7d8f4409, 0xe71fee99,
+  0x7d8a5f40, 0xe70747c4, 0x7d85759f, 0xe6eea1e4, 0x7d808728, 0xe6d5fcfc,
+  0x7d7b93da, 0xe6bd590d,
+  0x7d769bb5, 0xe6a4b616, 0x7d719eba, 0xe68c141a, 0x7d6c9ce9, 0xe6737319,
+  0x7d679642, 0xe65ad315,
+  0x7d628ac6, 0xe642340d, 0x7d5d7a74, 0xe6299604, 0x7d58654d, 0xe610f8f9,
+  0x7d534b50, 0xe5f85cef,
+  0x7d4e2c7f, 0xe5dfc1e5, 0x7d4908d9, 0xe5c727dd, 0x7d43e05e, 0xe5ae8ed8,
+  0x7d3eb30f, 0xe595f6d7,
+  0x7d3980ec, 0xe57d5fda, 0x7d3449f5, 0xe564c9e3, 0x7d2f0e2b, 0xe54c34f3,
+  0x7d29cd8c, 0xe533a10a,
+  0x7d24881b, 0xe51b0e2a, 0x7d1f3dd6, 0xe5027c53, 0x7d19eebf, 0xe4e9eb87,
+  0x7d149ad5, 0xe4d15bc6,
+  0x7d0f4218, 0xe4b8cd11, 0x7d09e489, 0xe4a03f69, 0x7d048228, 0xe487b2d0,
+  0x7cff1af5, 0xe46f2745,
+  0x7cf9aef0, 0xe4569ccb, 0x7cf43e1a, 0xe43e1362, 0x7ceec873, 0xe4258b0a,
+  0x7ce94dfb, 0xe40d03c6,
+  0x7ce3ceb2, 0xe3f47d96, 0x7cde4a98, 0xe3dbf87a, 0x7cd8c1ae, 0xe3c37474,
+  0x7cd333f3, 0xe3aaf184,
+  0x7ccda169, 0xe3926fad, 0x7cc80a0f, 0xe379eeed, 0x7cc26de5, 0xe3616f48,
+  0x7cbcccec, 0xe348f0bd,
+  0x7cb72724, 0xe330734d, 0x7cb17c8d, 0xe317f6fa, 0x7cabcd28, 0xe2ff7bc3,
+  0x7ca618f3, 0xe2e701ac,
+  0x7ca05ff1, 0xe2ce88b3, 0x7c9aa221, 0xe2b610da, 0x7c94df83, 0xe29d9a23,
+  0x7c8f1817, 0xe285248d,
+  0x7c894bde, 0xe26cb01b, 0x7c837ad8, 0xe2543ccc, 0x7c7da505, 0xe23bcaa2,
+  0x7c77ca65, 0xe223599e,
+  0x7c71eaf9, 0xe20ae9c1, 0x7c6c06c0, 0xe1f27b0b, 0x7c661dbc, 0xe1da0d7e,
+  0x7c602fec, 0xe1c1a11b,
+  0x7c5a3d50, 0xe1a935e2, 0x7c5445e9, 0xe190cbd4, 0x7c4e49b7, 0xe17862f3,
+  0x7c4848ba, 0xe15ffb3f,
+  0x7c4242f2, 0xe14794ba, 0x7c3c3860, 0xe12f2f63, 0x7c362904, 0xe116cb3d,
+  0x7c3014de, 0xe0fe6848,
+  0x7c29fbee, 0xe0e60685, 0x7c23de35, 0xe0cda5f5, 0x7c1dbbb3, 0xe0b54698,
+  0x7c179467, 0xe09ce871,
+  0x7c116853, 0xe0848b7f, 0x7c0b3777, 0xe06c2fc4, 0x7c0501d2, 0xe053d541,
+  0x7bfec765, 0xe03b7bf6,
+  0x7bf88830, 0xe02323e5, 0x7bf24434, 0xe00acd0e, 0x7bebfb70, 0xdff27773,
+  0x7be5ade6, 0xdfda2314,
+  0x7bdf5b94, 0xdfc1cff3, 0x7bd9047c, 0xdfa97e0f, 0x7bd2a89e, 0xdf912d6b,
+  0x7bcc47fa, 0xdf78de07,
+  0x7bc5e290, 0xdf608fe4, 0x7bbf7860, 0xdf484302, 0x7bb9096b, 0xdf2ff764,
+  0x7bb295b0, 0xdf17ad0a,
+  0x7bac1d31, 0xdeff63f4, 0x7ba59fee, 0xdee71c24, 0x7b9f1de6, 0xdeced59b,
+  0x7b989719, 0xdeb69059,
+  0x7b920b89, 0xde9e4c60, 0x7b8b7b36, 0xde8609b1, 0x7b84e61f, 0xde6dc84b,
+  0x7b7e4c45, 0xde558831,
+  0x7b77ada8, 0xde3d4964, 0x7b710a49, 0xde250be3, 0x7b6a6227, 0xde0ccfb1,
+  0x7b63b543, 0xddf494ce,
+  0x7b5d039e, 0xdddc5b3b, 0x7b564d36, 0xddc422f8, 0x7b4f920e, 0xddabec08,
+  0x7b48d225, 0xdd93b66a,
+  0x7b420d7a, 0xdd7b8220, 0x7b3b4410, 0xdd634f2b, 0x7b3475e5, 0xdd4b1d8c,
+  0x7b2da2fa, 0xdd32ed43,
+  0x7b26cb4f, 0xdd1abe51, 0x7b1feee5, 0xdd0290b8, 0x7b190dbc, 0xdcea6478,
+  0x7b1227d3, 0xdcd23993,
+  0x7b0b3d2c, 0xdcba1008, 0x7b044dc7, 0xdca1e7da, 0x7afd59a4, 0xdc89c109,
+  0x7af660c2, 0xdc719b96,
+  0x7aef6323, 0xdc597781, 0x7ae860c7, 0xdc4154cd, 0x7ae159ae, 0xdc293379,
+  0x7ada4dd8, 0xdc111388,
+  0x7ad33d45, 0xdbf8f4f8, 0x7acc27f7, 0xdbe0d7cd, 0x7ac50dec, 0xdbc8bc06,
+  0x7abdef25, 0xdbb0a1a4,
+  0x7ab6cba4, 0xdb9888a8, 0x7aafa367, 0xdb807114, 0x7aa8766f, 0xdb685ae9,
+  0x7aa144bc, 0xdb504626,
+  0x7a9a0e50, 0xdb3832cd, 0x7a92d329, 0xdb2020e0, 0x7a8b9348, 0xdb08105e,
+  0x7a844eae, 0xdaf00149,
+  0x7a7d055b, 0xdad7f3a2, 0x7a75b74f, 0xdabfe76a, 0x7a6e648a, 0xdaa7dca1,
+  0x7a670d0d, 0xda8fd349,
+  0x7a5fb0d8, 0xda77cb63, 0x7a584feb, 0xda5fc4ef, 0x7a50ea47, 0xda47bfee,
+  0x7a497feb, 0xda2fbc61,
+  0x7a4210d8, 0xda17ba4a, 0x7a3a9d0f, 0xd9ffb9a9, 0x7a332490, 0xd9e7ba7f,
+  0x7a2ba75a, 0xd9cfbccd,
+  0x7a24256f, 0xd9b7c094, 0x7a1c9ece, 0xd99fc5d4, 0x7a151378, 0xd987cc90,
+  0x7a0d836d, 0xd96fd4c7,
+  0x7a05eead, 0xd957de7a, 0x79fe5539, 0xd93fe9ab, 0x79f6b711, 0xd927f65b,
+  0x79ef1436, 0xd910048a,
+  0x79e76ca7, 0xd8f81439, 0x79dfc064, 0xd8e0256a, 0x79d80f6f, 0xd8c8381d,
+  0x79d059c8, 0xd8b04c52,
+  0x79c89f6e, 0xd898620c, 0x79c0e062, 0xd880794b, 0x79b91ca4, 0xd868920f,
+  0x79b15435, 0xd850ac5a,
+  0x79a98715, 0xd838c82d, 0x79a1b545, 0xd820e589, 0x7999dec4, 0xd809046e,
+  0x79920392, 0xd7f124dd,
+  0x798a23b1, 0xd7d946d8, 0x79823f20, 0xd7c16a5f, 0x797a55e0, 0xd7a98f73,
+  0x797267f2, 0xd791b616,
+  0x796a7554, 0xd779de47, 0x79627e08, 0xd7620808, 0x795a820e, 0xd74a335b,
+  0x79528167, 0xd732603f,
+  0x794a7c12, 0xd71a8eb5, 0x79427210, 0xd702bec0, 0x793a6361, 0xd6eaf05f,
+  0x79325006, 0xd6d32393,
+  0x792a37fe, 0xd6bb585e, 0x79221b4b, 0xd6a38ec0, 0x7919f9ec, 0xd68bc6ba,
+  0x7911d3e2, 0xd674004e,
+  0x7909a92d, 0xd65c3b7b, 0x790179cd, 0xd6447844, 0x78f945c3, 0xd62cb6a8,
+  0x78f10d0f, 0xd614f6a9,
+  0x78e8cfb2, 0xd5fd3848, 0x78e08dab, 0xd5e57b85, 0x78d846fb, 0xd5cdc062,
+  0x78cffba3, 0xd5b606e0,
+  0x78c7aba2, 0xd59e4eff, 0x78bf56f9, 0xd58698c0, 0x78b6fda8, 0xd56ee424,
+  0x78ae9fb0, 0xd557312d,
+  0x78a63d11, 0xd53f7fda, 0x789dd5cb, 0xd527d02e, 0x789569df, 0xd5102228,
+  0x788cf94c, 0xd4f875ca,
+  0x78848414, 0xd4e0cb15, 0x787c0a36, 0xd4c92209, 0x78738bb3, 0xd4b17aa8,
+  0x786b088c, 0xd499d4f2,
+  0x786280bf, 0xd48230e9, 0x7859f44f, 0xd46a8e8d, 0x7851633b, 0xd452eddf,
+  0x7848cd83, 0xd43b4ee0,
+  0x78403329, 0xd423b191, 0x7837942b, 0xd40c15f3, 0x782ef08b, 0xd3f47c06,
+  0x78264849, 0xd3dce3cd,
+  0x781d9b65, 0xd3c54d47, 0x7814e9df, 0xd3adb876, 0x780c33b8, 0xd396255a,
+  0x780378f1, 0xd37e93f4,
+  0x77fab989, 0xd3670446, 0x77f1f581, 0xd34f764f, 0x77e92cd9, 0xd337ea12,
+  0x77e05f91, 0xd3205f8f,
+  0x77d78daa, 0xd308d6c7, 0x77ceb725, 0xd2f14fba, 0x77c5dc01, 0xd2d9ca6a,
+  0x77bcfc3f, 0xd2c246d8,
+  0x77b417df, 0xd2aac504, 0x77ab2ee2, 0xd29344f0, 0x77a24148, 0xd27bc69c,
+  0x77994f11, 0xd2644a0a,
+  0x7790583e, 0xd24ccf39, 0x77875cce, 0xd235562b, 0x777e5cc3, 0xd21ddee2,
+  0x7775581d, 0xd206695d,
+  0x776c4edb, 0xd1eef59e, 0x776340ff, 0xd1d783a6, 0x775a2e89, 0xd1c01375,
+  0x77511778, 0xd1a8a50d,
+  0x7747fbce, 0xd191386e, 0x773edb8b, 0xd179cd99, 0x7735b6af, 0xd1626490,
+  0x772c8d3a, 0xd14afd52,
+  0x77235f2d, 0xd13397e2, 0x771a2c88, 0xd11c343f, 0x7710f54c, 0xd104d26b,
+  0x7707b979, 0xd0ed7267,
+  0x76fe790e, 0xd0d61434, 0x76f5340e, 0xd0beb7d2, 0x76ebea77, 0xd0a75d42,
+  0x76e29c4b, 0xd0900486,
+  0x76d94989, 0xd078ad9e, 0x76cff232, 0xd061588b, 0x76c69647, 0xd04a054e,
+  0x76bd35c7, 0xd032b3e7,
+  0x76b3d0b4, 0xd01b6459, 0x76aa670d, 0xd00416a3, 0x76a0f8d2, 0xcfeccac7,
+  0x76978605, 0xcfd580c6,
+  0x768e0ea6, 0xcfbe389f, 0x768492b4, 0xcfa6f255, 0x767b1231, 0xcf8fade9,
+  0x76718d1c, 0xcf786b5a,
+  0x76680376, 0xcf612aaa, 0x765e7540, 0xcf49ebda, 0x7654e279, 0xcf32aeeb,
+  0x764b4b23, 0xcf1b73de,
+  0x7641af3d, 0xcf043ab3, 0x76380ec8, 0xceed036b, 0x762e69c4, 0xced5ce08,
+  0x7624c031, 0xcebe9a8a,
+  0x761b1211, 0xcea768f2, 0x76115f63, 0xce903942, 0x7607a828, 0xce790b79,
+  0x75fdec60, 0xce61df99,
+  0x75f42c0b, 0xce4ab5a2, 0x75ea672a, 0xce338d97, 0x75e09dbd, 0xce1c6777,
+  0x75d6cfc5, 0xce054343,
+  0x75ccfd42, 0xcdee20fc, 0x75c32634, 0xcdd700a4, 0x75b94a9c, 0xcdbfe23a,
+  0x75af6a7b, 0xcda8c5c1,
+  0x75a585cf, 0xcd91ab39, 0x759b9c9b, 0xcd7a92a2, 0x7591aedd, 0xcd637bfe,
+  0x7587bc98, 0xcd4c674d,
+  0x757dc5ca, 0xcd355491, 0x7573ca75, 0xcd1e43ca, 0x7569ca99, 0xcd0734f9,
+  0x755fc635, 0xccf0281f,
+  0x7555bd4c, 0xccd91d3d, 0x754bafdc, 0xccc21455, 0x75419de7, 0xccab0d65,
+  0x7537876c, 0xcc940871,
+  0x752d6c6c, 0xcc7d0578, 0x75234ce8, 0xcc66047b, 0x751928e0, 0xcc4f057c,
+  0x750f0054, 0xcc38087b,
+  0x7504d345, 0xcc210d79, 0x74faa1b3, 0xcc0a1477, 0x74f06b9e, 0xcbf31d75,
+  0x74e63108, 0xcbdc2876,
+  0x74dbf1ef, 0xcbc53579, 0x74d1ae55, 0xcbae447f, 0x74c7663a, 0xcb97558a,
+  0x74bd199f, 0xcb80689a,
+  0x74b2c884, 0xcb697db0, 0x74a872e8, 0xcb5294ce, 0x749e18cd, 0xcb3badf3,
+  0x7493ba34, 0xcb24c921,
+  0x7489571c, 0xcb0de658, 0x747eef85, 0xcaf7059a, 0x74748371, 0xcae026e8,
+  0x746a12df, 0xcac94a42,
+  0x745f9dd1, 0xcab26fa9, 0x74552446, 0xca9b971e, 0x744aa63f, 0xca84c0a3,
+  0x744023bc, 0xca6dec37,
+  0x74359cbd, 0xca5719db, 0x742b1144, 0xca404992, 0x74208150, 0xca297b5a,
+  0x7415ece2, 0xca12af37,
+  0x740b53fb, 0xc9fbe527, 0x7400b69a, 0xc9e51d2d, 0x73f614c0, 0xc9ce5748,
+  0x73eb6e6e, 0xc9b7937a,
+  0x73e0c3a3, 0xc9a0d1c5, 0x73d61461, 0xc98a1227, 0x73cb60a8, 0xc97354a4,
+  0x73c0a878, 0xc95c993a,
+  0x73b5ebd1, 0xc945dfec, 0x73ab2ab4, 0xc92f28ba, 0x73a06522, 0xc91873a5,
+  0x73959b1b, 0xc901c0ae,
+  0x738acc9e, 0xc8eb0fd6, 0x737ff9ae, 0xc8d4611d, 0x73752249, 0xc8bdb485,
+  0x736a4671, 0xc8a70a0e,
+  0x735f6626, 0xc89061ba, 0x73548168, 0xc879bb89, 0x73499838, 0xc863177b,
+  0x733eaa96, 0xc84c7593,
+  0x7333b883, 0xc835d5d0, 0x7328c1ff, 0xc81f3834, 0x731dc70a, 0xc8089cbf,
+  0x7312c7a5, 0xc7f20373,
+  0x7307c3d0, 0xc7db6c50, 0x72fcbb8c, 0xc7c4d757, 0x72f1aed9, 0xc7ae4489,
+  0x72e69db7, 0xc797b3e7,
+  0x72db8828, 0xc7812572, 0x72d06e2b, 0xc76a992a, 0x72c54fc1, 0xc7540f11,
+  0x72ba2cea, 0xc73d8727,
+  0x72af05a7, 0xc727016d, 0x72a3d9f7, 0xc7107de4, 0x7298a9dd, 0xc6f9fc8d,
+  0x728d7557, 0xc6e37d69,
+  0x72823c67, 0xc6cd0079, 0x7276ff0d, 0xc6b685bd, 0x726bbd48, 0xc6a00d37,
+  0x7260771b, 0xc68996e7,
+  0x72552c85, 0xc67322ce, 0x7249dd86, 0xc65cb0ed, 0x723e8a20, 0xc6464144,
+  0x72333251, 0xc62fd3d6,
+  0x7227d61c, 0xc61968a2, 0x721c7580, 0xc602ffaa, 0x7211107e, 0xc5ec98ee,
+  0x7205a716, 0xc5d6346f,
+  0x71fa3949, 0xc5bfd22e, 0x71eec716, 0xc5a9722c, 0x71e35080, 0xc593146a,
+  0x71d7d585, 0xc57cb8e9,
+  0x71cc5626, 0xc5665fa9, 0x71c0d265, 0xc55008ab, 0x71b54a41, 0xc539b3f1,
+  0x71a9bdba, 0xc523617a,
+  0x719e2cd2, 0xc50d1149, 0x71929789, 0xc4f6c35d, 0x7186fdde, 0xc4e077b8,
+  0x717b5fd3, 0xc4ca2e5b,
+  0x716fbd68, 0xc4b3e746, 0x7164169d, 0xc49da27a, 0x71586b74, 0xc4875ff9,
+  0x714cbbeb, 0xc4711fc2,
+  0x71410805, 0xc45ae1d7, 0x71354fc0, 0xc444a639, 0x7129931f, 0xc42e6ce8,
+  0x711dd220, 0xc41835e6,
+  0x71120cc5, 0xc4020133, 0x7106430e, 0xc3ebced0, 0x70fa74fc, 0xc3d59ebe,
+  0x70eea28e, 0xc3bf70fd,
+  0x70e2cbc6, 0xc3a94590, 0x70d6f0a4, 0xc3931c76, 0x70cb1128, 0xc37cf5b0,
+  0x70bf2d53, 0xc366d140,
+  0x70b34525, 0xc350af26, 0x70a7589f, 0xc33a8f62, 0x709b67c0, 0xc32471f7,
+  0x708f728b, 0xc30e56e4,
+  0x708378ff, 0xc2f83e2a, 0x70777b1c, 0xc2e227cb, 0x706b78e3, 0xc2cc13c7,
+  0x705f7255, 0xc2b6021f,
+  0x70536771, 0xc29ff2d4, 0x70475839, 0xc289e5e7, 0x703b44ad, 0xc273db58,
+  0x702f2ccd, 0xc25dd329,
+  0x7023109a, 0xc247cd5a, 0x7016f014, 0xc231c9ec, 0x700acb3c, 0xc21bc8e1,
+  0x6ffea212, 0xc205ca38,
+  0x6ff27497, 0xc1efcdf3, 0x6fe642ca, 0xc1d9d412, 0x6fda0cae, 0xc1c3dc97,
+  0x6fcdd241, 0xc1ade781,
+  0x6fc19385, 0xc197f4d4, 0x6fb5507a, 0xc182048d, 0x6fa90921, 0xc16c16b0,
+  0x6f9cbd79, 0xc1562b3d,
+  0x6f906d84, 0xc1404233, 0x6f841942, 0xc12a5b95, 0x6f77c0b3, 0xc1147764,
+  0x6f6b63d8, 0xc0fe959f,
+  0x6f5f02b2, 0xc0e8b648, 0x6f529d40, 0xc0d2d960, 0x6f463383, 0xc0bcfee7,
+  0x6f39c57d, 0xc0a726df,
+  0x6f2d532c, 0xc0915148, 0x6f20dc92, 0xc07b7e23, 0x6f1461b0, 0xc065ad70,
+  0x6f07e285, 0xc04fdf32,
+  0x6efb5f12, 0xc03a1368, 0x6eeed758, 0xc0244a14, 0x6ee24b57, 0xc00e8336,
+  0x6ed5bb10, 0xbff8bece,
+  0x6ec92683, 0xbfe2fcdf, 0x6ebc8db0, 0xbfcd3d69, 0x6eaff099, 0xbfb7806c,
+  0x6ea34f3d, 0xbfa1c5ea,
+  0x6e96a99d, 0xbf8c0de3, 0x6e89ffb9, 0xbf765858, 0x6e7d5193, 0xbf60a54a,
+  0x6e709f2a, 0xbf4af4ba,
+  0x6e63e87f, 0xbf3546a8, 0x6e572d93, 0xbf1f9b16, 0x6e4a6e66, 0xbf09f205,
+  0x6e3daaf8, 0xbef44b74,
+  0x6e30e34a, 0xbedea765, 0x6e24175c, 0xbec905d9, 0x6e174730, 0xbeb366d1,
+  0x6e0a72c5, 0xbe9dca4e,
+  0x6dfd9a1c, 0xbe88304f, 0x6df0bd35, 0xbe7298d7, 0x6de3dc11, 0xbe5d03e6,
+  0x6dd6f6b1, 0xbe47717c,
+  0x6dca0d14, 0xbe31e19b, 0x6dbd1f3c, 0xbe1c5444, 0x6db02d29, 0xbe06c977,
+  0x6da336dc, 0xbdf14135,
+  0x6d963c54, 0xbddbbb7f, 0x6d893d93, 0xbdc63856, 0x6d7c3a98, 0xbdb0b7bb,
+  0x6d6f3365, 0xbd9b39ad,
+  0x6d6227fa, 0xbd85be30, 0x6d551858, 0xbd704542, 0x6d48047e, 0xbd5acee5,
+  0x6d3aec6e, 0xbd455b1a,
+  0x6d2dd027, 0xbd2fe9e2, 0x6d20afac, 0xbd1a7b3d, 0x6d138afb, 0xbd050f2c,
+  0x6d066215, 0xbcefa5b0,
+  0x6cf934fc, 0xbcda3ecb, 0x6cec03af, 0xbcc4da7b, 0x6cdece2f, 0xbcaf78c4,
+  0x6cd1947c, 0xbc9a19a5,
+  0x6cc45698, 0xbc84bd1f, 0x6cb71482, 0xbc6f6333, 0x6ca9ce3b, 0xbc5a0be2,
+  0x6c9c83c3, 0xbc44b72c,
+  0x6c8f351c, 0xbc2f6513, 0x6c81e245, 0xbc1a1598, 0x6c748b3f, 0xbc04c8ba,
+  0x6c67300b, 0xbbef7e7c,
+  0x6c59d0a9, 0xbbda36dd, 0x6c4c6d1a, 0xbbc4f1df, 0x6c3f055d, 0xbbafaf82,
+  0x6c319975, 0xbb9a6fc7,
+  0x6c242960, 0xbb8532b0, 0x6c16b521, 0xbb6ff83c, 0x6c093cb6, 0xbb5ac06d,
+  0x6bfbc021, 0xbb458b43,
+  0x6bee3f62, 0xbb3058c0, 0x6be0ba7b, 0xbb1b28e4, 0x6bd3316a, 0xbb05fbb0,
+  0x6bc5a431, 0xbaf0d125,
+  0x6bb812d1, 0xbadba943, 0x6baa7d49, 0xbac6840c, 0x6b9ce39b, 0xbab16180,
+  0x6b8f45c7, 0xba9c41a0,
+  0x6b81a3cd, 0xba87246d, 0x6b73fdae, 0xba7209e7, 0x6b66536b, 0xba5cf210,
+  0x6b58a503, 0xba47dce8,
+  0x6b4af279, 0xba32ca71, 0x6b3d3bcb, 0xba1dbaaa, 0x6b2f80fb, 0xba08ad95,
+  0x6b21c208, 0xb9f3a332,
+  0x6b13fef5, 0xb9de9b83, 0x6b0637c1, 0xb9c99688, 0x6af86c6c, 0xb9b49442,
+  0x6aea9cf8, 0xb99f94b2,
+  0x6adcc964, 0xb98a97d8, 0x6acef1b2, 0xb9759db6, 0x6ac115e2, 0xb960a64c,
+  0x6ab335f4, 0xb94bb19b,
+  0x6aa551e9, 0xb936bfa4, 0x6a9769c1, 0xb921d067, 0x6a897d7d, 0xb90ce3e6,
+  0x6a7b8d1e, 0xb8f7fa21,
+  0x6a6d98a4, 0xb8e31319, 0x6a5fa010, 0xb8ce2ecf, 0x6a51a361, 0xb8b94d44,
+  0x6a43a29a, 0xb8a46e78,
+  0x6a359db9, 0xb88f926d, 0x6a2794c1, 0xb87ab922, 0x6a1987b0, 0xb865e299,
+  0x6a0b7689, 0xb8510ed4,
+  0x69fd614a, 0xb83c3dd1, 0x69ef47f6, 0xb8276f93, 0x69e12a8c, 0xb812a41a,
+  0x69d3090e, 0xb7fddb67,
+  0x69c4e37a, 0xb7e9157a, 0x69b6b9d3, 0xb7d45255, 0x69a88c19, 0xb7bf91f8,
+  0x699a5a4c, 0xb7aad465,
+  0x698c246c, 0xb796199b, 0x697dea7b, 0xb781619c, 0x696fac78, 0xb76cac69,
+  0x69616a65, 0xb757fa01,
+  0x69532442, 0xb7434a67, 0x6944da10, 0xb72e9d9b, 0x69368bce, 0xb719f39e,
+  0x6928397e, 0xb7054c6f,
+  0x6919e320, 0xb6f0a812, 0x690b88b5, 0xb6dc0685, 0x68fd2a3d, 0xb6c767ca,
+  0x68eec7b9, 0xb6b2cbe2,
+  0x68e06129, 0xb69e32cd, 0x68d1f68f, 0xb6899c8d, 0x68c387e9, 0xb6750921,
+  0x68b5153a, 0xb660788c,
+  0x68a69e81, 0xb64beacd, 0x689823bf, 0xb6375fe5, 0x6889a4f6, 0xb622d7d6,
+  0x687b2224, 0xb60e529f,
+  0x686c9b4b, 0xb5f9d043, 0x685e106c, 0xb5e550c1, 0x684f8186, 0xb5d0d41a,
+  0x6840ee9b, 0xb5bc5a50,
+  0x683257ab, 0xb5a7e362, 0x6823bcb7, 0xb5936f53, 0x68151dbe, 0xb57efe22,
+  0x68067ac3, 0xb56a8fd0,
+  0x67f7d3c5, 0xb556245e, 0x67e928c5, 0xb541bbcd, 0x67da79c3, 0xb52d561e,
+  0x67cbc6c0, 0xb518f351,
+  0x67bd0fbd, 0xb5049368, 0x67ae54ba, 0xb4f03663, 0x679f95b7, 0xb4dbdc42,
+  0x6790d2b6, 0xb4c78507,
+  0x67820bb7, 0xb4b330b3, 0x677340ba, 0xb49edf45, 0x676471c0, 0xb48a90c0,
+  0x67559eca, 0xb4764523,
+  0x6746c7d8, 0xb461fc70, 0x6737ecea, 0xb44db6a8, 0x67290e02, 0xb43973ca,
+  0x671a2b20, 0xb42533d8,
+  0x670b4444, 0xb410f6d3, 0x66fc596f, 0xb3fcbcbb, 0x66ed6aa1, 0xb3e88592,
+  0x66de77dc, 0xb3d45157,
+  0x66cf8120, 0xb3c0200c, 0x66c0866d, 0xb3abf1b2, 0x66b187c3, 0xb397c649,
+  0x66a28524, 0xb3839dd3,
+  0x66937e91, 0xb36f784f, 0x66847408, 0xb35b55bf, 0x6675658c, 0xb3473623,
+  0x6666531d, 0xb333197c,
+  0x66573cbb, 0xb31effcc, 0x66482267, 0xb30ae912, 0x66390422, 0xb2f6d550,
+  0x6629e1ec, 0xb2e2c486,
+  0x661abbc5, 0xb2ceb6b5, 0x660b91af, 0xb2baabde, 0x65fc63a9, 0xb2a6a402,
+  0x65ed31b5, 0xb2929f21,
+  0x65ddfbd3, 0xb27e9d3c, 0x65cec204, 0xb26a9e54, 0x65bf8447, 0xb256a26a,
+  0x65b0429f, 0xb242a97e,
+  0x65a0fd0b, 0xb22eb392, 0x6591b38c, 0xb21ac0a6, 0x65826622, 0xb206d0ba,
+  0x657314cf, 0xb1f2e3d0,
+  0x6563bf92, 0xb1def9e9, 0x6554666d, 0xb1cb1304, 0x6545095f, 0xb1b72f23,
+  0x6535a86b, 0xb1a34e47,
+  0x6526438f, 0xb18f7071, 0x6516dacd, 0xb17b95a0, 0x65076e25, 0xb167bdd7,
+  0x64f7fd98, 0xb153e915,
+  0x64e88926, 0xb140175b, 0x64d910d1, 0xb12c48ab, 0x64c99498, 0xb1187d05,
+  0x64ba147d, 0xb104b46a,
+  0x64aa907f, 0xb0f0eeda, 0x649b08a0, 0xb0dd2c56, 0x648b7ce0, 0xb0c96ce0,
+  0x647bed3f, 0xb0b5b077,
+  0x646c59bf, 0xb0a1f71d, 0x645cc260, 0xb08e40d2, 0x644d2722, 0xb07a8d97,
+  0x643d8806, 0xb066dd6d,
+  0x642de50d, 0xb0533055, 0x641e3e38, 0xb03f864f, 0x640e9386, 0xb02bdf5c,
+  0x63fee4f8, 0xb0183b7d,
+  0x63ef3290, 0xb0049ab3, 0x63df7c4d, 0xaff0fcfe, 0x63cfc231, 0xafdd625f,
+  0x63c0043b, 0xafc9cad7,
+  0x63b0426d, 0xafb63667, 0x63a07cc7, 0xafa2a50f, 0x6390b34a, 0xaf8f16d1,
+  0x6380e5f6, 0xaf7b8bac,
+  0x637114cc, 0xaf6803a2, 0x63613fcd, 0xaf547eb3, 0x635166f9, 0xaf40fce1,
+  0x63418a50, 0xaf2d7e2b,
+  0x6331a9d4, 0xaf1a0293, 0x6321c585, 0xaf068a1a, 0x6311dd64, 0xaef314c0,
+  0x6301f171, 0xaedfa285,
+  0x62f201ac, 0xaecc336c, 0x62e20e17, 0xaeb8c774, 0x62d216b3, 0xaea55e9e,
+  0x62c21b7e, 0xae91f8eb,
+  0x62b21c7b, 0xae7e965b, 0x62a219aa, 0xae6b36f0, 0x6292130c, 0xae57daab,
+  0x628208a1, 0xae44818b,
+  0x6271fa69, 0xae312b92, 0x6261e866, 0xae1dd8c0, 0x6251d298, 0xae0a8916,
+  0x6241b8ff, 0xadf73c96,
+  0x62319b9d, 0xade3f33e, 0x62217a72, 0xadd0ad12, 0x6211557e, 0xadbd6a10,
+  0x62012cc2, 0xadaa2a3b,
+  0x61f1003f, 0xad96ed92, 0x61e0cff5, 0xad83b416, 0x61d09be5, 0xad707dc8,
+  0x61c06410, 0xad5d4aaa,
+  0x61b02876, 0xad4a1aba, 0x619fe918, 0xad36edfc, 0x618fa5f7, 0xad23c46e,
+  0x617f5f12, 0xad109e12,
+  0x616f146c, 0xacfd7ae8, 0x615ec603, 0xacea5af2, 0x614e73da, 0xacd73e30,
+  0x613e1df0, 0xacc424a3,
+  0x612dc447, 0xacb10e4b, 0x611d66de, 0xac9dfb29, 0x610d05b7, 0xac8aeb3e,
+  0x60fca0d2, 0xac77de8b,
+  0x60ec3830, 0xac64d510, 0x60dbcbd1, 0xac51cecf, 0x60cb5bb7, 0xac3ecbc7,
+  0x60bae7e1, 0xac2bcbfa,
+  0x60aa7050, 0xac18cf69, 0x6099f505, 0xac05d613, 0x60897601, 0xabf2dffb,
+  0x6078f344, 0xabdfed1f,
+  0x60686ccf, 0xabccfd83, 0x6057e2a2, 0xabba1125, 0x604754bf, 0xaba72807,
+  0x6036c325, 0xab944229,
+  0x60262dd6, 0xab815f8d, 0x601594d1, 0xab6e8032, 0x6004f819, 0xab5ba41a,
+  0x5ff457ad, 0xab48cb46,
+  0x5fe3b38d, 0xab35f5b5, 0x5fd30bbc, 0xab23236a, 0x5fc26038, 0xab105464,
+  0x5fb1b104, 0xaafd88a4,
+  0x5fa0fe1f, 0xaaeac02c, 0x5f90478a, 0xaad7fafb, 0x5f7f8d46, 0xaac53912,
+  0x5f6ecf53, 0xaab27a73,
+  0x5f5e0db3, 0xaa9fbf1e, 0x5f4d4865, 0xaa8d0713, 0x5f3c7f6b, 0xaa7a5253,
+  0x5f2bb2c5, 0xaa67a0e0,
+  0x5f1ae274, 0xaa54f2ba, 0x5f0a0e77, 0xaa4247e1, 0x5ef936d1, 0xaa2fa056,
+  0x5ee85b82, 0xaa1cfc1a,
+  0x5ed77c8a, 0xaa0a5b2e, 0x5ec699e9, 0xa9f7bd92, 0x5eb5b3a2, 0xa9e52347,
+  0x5ea4c9b3, 0xa9d28c4e,
+  0x5e93dc1f, 0xa9bff8a8, 0x5e82eae5, 0xa9ad6855, 0x5e71f606, 0xa99adb56,
+  0x5e60fd84, 0xa98851ac,
+  0x5e50015d, 0xa975cb57, 0x5e3f0194, 0xa9634858, 0x5e2dfe29, 0xa950c8b0,
+  0x5e1cf71c, 0xa93e4c5f,
+  0x5e0bec6e, 0xa92bd367, 0x5dfade20, 0xa9195dc7, 0x5de9cc33, 0xa906eb82,
+  0x5dd8b6a7, 0xa8f47c97,
+  0x5dc79d7c, 0xa8e21106, 0x5db680b4, 0xa8cfa8d2, 0x5da5604f, 0xa8bd43fa,
+  0x5d943c4e, 0xa8aae280,
+  0x5d8314b1, 0xa8988463, 0x5d71e979, 0xa88629a5, 0x5d60baa7, 0xa873d246,
+  0x5d4f883b, 0xa8617e48,
+  0x5d3e5237, 0xa84f2daa, 0x5d2d189a, 0xa83ce06e, 0x5d1bdb65, 0xa82a9693,
+  0x5d0a9a9a, 0xa818501c,
+  0x5cf95638, 0xa8060d08, 0x5ce80e41, 0xa7f3cd59, 0x5cd6c2b5, 0xa7e1910f,
+  0x5cc57394, 0xa7cf582a,
+  0x5cb420e0, 0xa7bd22ac, 0x5ca2ca99, 0xa7aaf094, 0x5c9170bf, 0xa798c1e5,
+  0x5c801354, 0xa786969e,
+  0x5c6eb258, 0xa7746ec0, 0x5c5d4dcc, 0xa7624a4d, 0x5c4be5b0, 0xa7502943,
+  0x5c3a7a05, 0xa73e0ba5,
+  0x5c290acc, 0xa72bf174, 0x5c179806, 0xa719daae, 0x5c0621b2, 0xa707c757,
+  0x5bf4a7d2, 0xa6f5b76d,
+  0x5be32a67, 0xa6e3aaf2, 0x5bd1a971, 0xa6d1a1e7, 0x5bc024f0, 0xa6bf9c4b,
+  0x5bae9ce7, 0xa6ad9a21,
+  0x5b9d1154, 0xa69b9b68, 0x5b8b8239, 0xa689a022, 0x5b79ef96, 0xa677a84e,
+  0x5b68596d, 0xa665b3ee,
+  0x5b56bfbd, 0xa653c303, 0x5b452288, 0xa641d58c, 0x5b3381ce, 0xa62feb8b,
+  0x5b21dd90, 0xa61e0501,
+  0x5b1035cf, 0xa60c21ee, 0x5afe8a8b, 0xa5fa4252, 0x5aecdbc5, 0xa5e8662f,
+  0x5adb297d, 0xa5d68d85,
+  0x5ac973b5, 0xa5c4b855, 0x5ab7ba6c, 0xa5b2e6a0, 0x5aa5fda5, 0xa5a11866,
+  0x5a943d5e, 0xa58f4da8,
+  0x5a82799a, 0xa57d8666, 0x5a70b258, 0xa56bc2a2, 0x5a5ee79a, 0xa55a025b,
+  0x5a4d1960, 0xa5484594,
+  0x5a3b47ab, 0xa5368c4b, 0x5a29727b, 0xa524d683, 0x5a1799d1, 0xa513243b,
+  0x5a05bdae, 0xa5017575,
+  0x59f3de12, 0xa4efca31, 0x59e1faff, 0xa4de2270, 0x59d01475, 0xa4cc7e32,
+  0x59be2a74, 0xa4badd78,
+  0x59ac3cfd, 0xa4a94043, 0x599a4c12, 0xa497a693, 0x598857b2, 0xa486106a,
+  0x59765fde, 0xa4747dc7,
+  0x59646498, 0xa462eeac, 0x595265df, 0xa4516319, 0x594063b5, 0xa43fdb10,
+  0x592e5e19, 0xa42e568f,
+  0x591c550e, 0xa41cd599, 0x590a4893, 0xa40b582e, 0x58f838a9, 0xa3f9de4e,
+  0x58e62552, 0xa3e867fa,
+  0x58d40e8c, 0xa3d6f534, 0x58c1f45b, 0xa3c585fb, 0x58afd6bd, 0xa3b41a50,
+  0x589db5b3, 0xa3a2b234,
+  0x588b9140, 0xa3914da8, 0x58796962, 0xa37fecac, 0x58673e1b, 0xa36e8f41,
+  0x58550f6c, 0xa35d3567,
+  0x5842dd54, 0xa34bdf20, 0x5830a7d6, 0xa33a8c6c, 0x581e6ef1, 0xa3293d4b,
+  0x580c32a7, 0xa317f1bf,
+  0x57f9f2f8, 0xa306a9c8, 0x57e7afe4, 0xa2f56566, 0x57d5696d, 0xa2e4249b,
+  0x57c31f92, 0xa2d2e766,
+  0x57b0d256, 0xa2c1adc9, 0x579e81b8, 0xa2b077c5, 0x578c2dba, 0xa29f4559,
+  0x5779d65b, 0xa28e1687,
+  0x57677b9d, 0xa27ceb4f, 0x57551d80, 0xa26bc3b2, 0x5742bc06, 0xa25a9fb1,
+  0x5730572e, 0xa2497f4c,
+  0x571deefa, 0xa2386284, 0x570b8369, 0xa2274959, 0x56f9147e, 0xa21633cd,
+  0x56e6a239, 0xa20521e0,
+  0x56d42c99, 0xa1f41392, 0x56c1b3a1, 0xa1e308e4, 0x56af3750, 0xa1d201d7,
+  0x569cb7a8, 0xa1c0fe6c,
+  0x568a34a9, 0xa1affea3, 0x5677ae54, 0xa19f027c, 0x566524aa, 0xa18e09fa,
+  0x565297ab, 0xa17d151b,
+  0x56400758, 0xa16c23e1, 0x562d73b2, 0xa15b364d, 0x561adcb9, 0xa14a4c5e,
+  0x5608426e, 0xa1396617,
+  0x55f5a4d2, 0xa1288376, 0x55e303e6, 0xa117a47e, 0x55d05faa, 0xa106c92f,
+  0x55bdb81f, 0xa0f5f189,
+  0x55ab0d46, 0xa0e51d8c, 0x55985f20, 0xa0d44d3b, 0x5585adad, 0xa0c38095,
+  0x5572f8ed, 0xa0b2b79b,
+  0x556040e2, 0xa0a1f24d, 0x554d858d, 0xa09130ad, 0x553ac6ee, 0xa08072ba,
+  0x55280505, 0xa06fb876,
+  0x55153fd4, 0xa05f01e1, 0x5502775c, 0xa04e4efc, 0x54efab9c, 0xa03d9fc8,
+  0x54dcdc96, 0xa02cf444,
+  0x54ca0a4b, 0xa01c4c73, 0x54b734ba, 0xa00ba853, 0x54a45be6, 0x9ffb07e7,
+  0x54917fce, 0x9fea6b2f,
+  0x547ea073, 0x9fd9d22a, 0x546bbdd7, 0x9fc93cdb, 0x5458d7f9, 0x9fb8ab41,
+  0x5445eedb, 0x9fa81d5e,
+  0x5433027d, 0x9f979331, 0x542012e1, 0x9f870cbc, 0x540d2005, 0x9f7689ff,
+  0x53fa29ed, 0x9f660afb,
+  0x53e73097, 0x9f558fb0, 0x53d43406, 0x9f45181f, 0x53c13439, 0x9f34a449,
+  0x53ae3131, 0x9f24342f,
+  0x539b2af0, 0x9f13c7d0, 0x53882175, 0x9f035f2e, 0x537514c2, 0x9ef2fa49,
+  0x536204d7, 0x9ee29922,
+  0x534ef1b5, 0x9ed23bb9, 0x533bdb5d, 0x9ec1e210, 0x5328c1d0, 0x9eb18c26,
+  0x5315a50e, 0x9ea139fd,
+  0x53028518, 0x9e90eb94, 0x52ef61ee, 0x9e80a0ee, 0x52dc3b92, 0x9e705a09,
+  0x52c91204, 0x9e6016e8,
+  0x52b5e546, 0x9e4fd78a, 0x52a2b556, 0x9e3f9bf0, 0x528f8238, 0x9e2f641b,
+  0x527c4bea, 0x9e1f300b,
+  0x5269126e, 0x9e0effc1, 0x5255d5c5, 0x9dfed33e, 0x524295f0, 0x9deeaa82,
+  0x522f52ee, 0x9dde858e,
+  0x521c0cc2, 0x9dce6463, 0x5208c36a, 0x9dbe4701, 0x51f576ea, 0x9dae2d68,
+  0x51e22740, 0x9d9e179a,
+  0x51ced46e, 0x9d8e0597, 0x51bb7e75, 0x9d7df75f, 0x51a82555, 0x9d6decf4,
+  0x5194c910, 0x9d5de656,
+  0x518169a5, 0x9d4de385, 0x516e0715, 0x9d3de482, 0x515aa162, 0x9d2de94d,
+  0x5147388c, 0x9d1df1e9,
+  0x5133cc94, 0x9d0dfe54, 0x51205d7b, 0x9cfe0e8f, 0x510ceb40, 0x9cee229c,
+  0x50f975e6, 0x9cde3a7b,
+  0x50e5fd6d, 0x9cce562c, 0x50d281d5, 0x9cbe75b0, 0x50bf031f, 0x9cae9907,
+  0x50ab814d, 0x9c9ec033,
+  0x5097fc5e, 0x9c8eeb34, 0x50847454, 0x9c7f1a0a, 0x5070e92f, 0x9c6f4cb6,
+  0x505d5af1, 0x9c5f8339,
+  0x5049c999, 0x9c4fbd93, 0x50363529, 0x9c3ffbc5, 0x50229da1, 0x9c303dcf,
+  0x500f0302, 0x9c2083b3,
+  0x4ffb654d, 0x9c10cd70, 0x4fe7c483, 0x9c011b08, 0x4fd420a4, 0x9bf16c7a,
+  0x4fc079b1, 0x9be1c1c8,
+  0x4faccfab, 0x9bd21af3, 0x4f992293, 0x9bc277fa, 0x4f857269, 0x9bb2d8de,
+  0x4f71bf2e, 0x9ba33da0,
+  0x4f5e08e3, 0x9b93a641, 0x4f4a4f89, 0x9b8412c1, 0x4f369320, 0x9b748320,
+  0x4f22d3aa, 0x9b64f760,
+  0x4f0f1126, 0x9b556f81, 0x4efb4b96, 0x9b45eb83, 0x4ee782fb, 0x9b366b68,
+  0x4ed3b755, 0x9b26ef2f,
+  0x4ebfe8a5, 0x9b1776da, 0x4eac16eb, 0x9b080268, 0x4e984229, 0x9af891db,
+  0x4e846a60, 0x9ae92533,
+  0x4e708f8f, 0x9ad9bc71, 0x4e5cb1b9, 0x9aca5795, 0x4e48d0dd, 0x9abaf6a1,
+  0x4e34ecfc, 0x9aab9993,
+  0x4e210617, 0x9a9c406e, 0x4e0d1c30, 0x9a8ceb31, 0x4df92f46, 0x9a7d99de,
+  0x4de53f5a, 0x9a6e4c74,
+  0x4dd14c6e, 0x9a5f02f5, 0x4dbd5682, 0x9a4fbd61, 0x4da95d96, 0x9a407bb9,
+  0x4d9561ac, 0x9a313dfc,
+  0x4d8162c4, 0x9a22042d, 0x4d6d60df, 0x9a12ce4b, 0x4d595bfe, 0x9a039c57,
+  0x4d455422, 0x99f46e51,
+  0x4d31494b, 0x99e5443b, 0x4d1d3b7a, 0x99d61e14, 0x4d092ab0, 0x99c6fbde,
+  0x4cf516ee, 0x99b7dd99,
+  0x4ce10034, 0x99a8c345, 0x4ccce684, 0x9999ace3, 0x4cb8c9dd, 0x998a9a74,
+  0x4ca4aa41, 0x997b8bf8,
+  0x4c9087b1, 0x996c816f, 0x4c7c622d, 0x995d7adc, 0x4c6839b7, 0x994e783d,
+  0x4c540e4e, 0x993f7993,
+  0x4c3fdff4, 0x99307ee0, 0x4c2baea9, 0x99218824, 0x4c177a6e, 0x9912955f,
+  0x4c034345, 0x9903a691,
+  0x4bef092d, 0x98f4bbbc, 0x4bdacc28, 0x98e5d4e0, 0x4bc68c36, 0x98d6f1fe,
+  0x4bb24958, 0x98c81316,
+  0x4b9e0390, 0x98b93828, 0x4b89badd, 0x98aa6136, 0x4b756f40, 0x989b8e40,
+  0x4b6120bb, 0x988cbf46,
+  0x4b4ccf4d, 0x987df449, 0x4b387af9, 0x986f2d4a, 0x4b2423be, 0x98606a49,
+  0x4b0fc99d, 0x9851ab46,
+  0x4afb6c98, 0x9842f043, 0x4ae70caf, 0x98343940, 0x4ad2a9e2, 0x9825863d,
+  0x4abe4433, 0x9816d73b,
+  0x4aa9dba2, 0x98082c3b, 0x4a957030, 0x97f9853d, 0x4a8101de, 0x97eae242,
+  0x4a6c90ad, 0x97dc4349,
+  0x4a581c9e, 0x97cda855, 0x4a43a5b0, 0x97bf1165, 0x4a2f2be6, 0x97b07e7a,
+  0x4a1aaf3f, 0x97a1ef94,
+  0x4a062fbd, 0x979364b5, 0x49f1ad61, 0x9784dddc, 0x49dd282a, 0x97765b0a,
+  0x49c8a01b, 0x9767dc41,
+  0x49b41533, 0x9759617f, 0x499f8774, 0x974aeac6, 0x498af6df, 0x973c7817,
+  0x49766373, 0x972e0971,
+  0x4961cd33, 0x971f9ed7, 0x494d341e, 0x97113847, 0x49389836, 0x9702d5c3,
+  0x4923f97b, 0x96f4774b,
+  0x490f57ee, 0x96e61ce0, 0x48fab391, 0x96d7c682, 0x48e60c62, 0x96c97432,
+  0x48d16265, 0x96bb25f0,
+  0x48bcb599, 0x96acdbbe, 0x48a805ff, 0x969e959b, 0x48935397, 0x96905388,
+  0x487e9e64, 0x96821585,
+  0x4869e665, 0x9673db94, 0x48552b9b, 0x9665a5b4, 0x48406e08, 0x965773e7,
+  0x482badab, 0x9649462d,
+  0x4816ea86, 0x963b1c86, 0x48022499, 0x962cf6f2, 0x47ed5be6, 0x961ed574,
+  0x47d8906d, 0x9610b80a,
+  0x47c3c22f, 0x96029eb6, 0x47aef12c, 0x95f48977, 0x479a1d67, 0x95e67850,
+  0x478546de, 0x95d86b3f,
+  0x47706d93, 0x95ca6247, 0x475b9188, 0x95bc5d66, 0x4746b2bc, 0x95ae5c9f,
+  0x4731d131, 0x95a05ff0,
+  0x471cece7, 0x9592675c, 0x470805df, 0x958472e2, 0x46f31c1a, 0x95768283,
+  0x46de2f99, 0x9568963f,
+  0x46c9405c, 0x955aae17, 0x46b44e65, 0x954cca0c, 0x469f59b4, 0x953eea1e,
+  0x468a624a, 0x95310e4e,
+  0x46756828, 0x9523369c, 0x46606b4e, 0x95156308, 0x464b6bbe, 0x95079394,
+  0x46366978, 0x94f9c83f,
+  0x4621647d, 0x94ec010b, 0x460c5cce, 0x94de3df8, 0x45f7526b, 0x94d07f05,
+  0x45e24556, 0x94c2c435,
+  0x45cd358f, 0x94b50d87, 0x45b82318, 0x94a75afd, 0x45a30df0, 0x9499ac95,
+  0x458df619, 0x948c0252,
+  0x4578db93, 0x947e5c33, 0x4563be60, 0x9470ba39, 0x454e9e80, 0x94631c65,
+  0x45397bf4, 0x945582b7,
+  0x452456bd, 0x9447ed2f, 0x450f2edb, 0x943a5bcf, 0x44fa0450, 0x942cce96,
+  0x44e4d71c, 0x941f4585,
+  0x44cfa740, 0x9411c09e, 0x44ba74bd, 0x94043fdf, 0x44a53f93, 0x93f6c34a,
+  0x449007c4, 0x93e94adf,
+  0x447acd50, 0x93dbd6a0, 0x44659039, 0x93ce668b, 0x4450507e, 0x93c0faa3,
+  0x443b0e21, 0x93b392e6,
+  0x4425c923, 0x93a62f57, 0x44108184, 0x9398cff5, 0x43fb3746, 0x938b74c1,
+  0x43e5ea68, 0x937e1dbb,
+  0x43d09aed, 0x9370cae4, 0x43bb48d4, 0x93637c3d, 0x43a5f41e, 0x935631c5,
+  0x43909ccd, 0x9348eb7e,
+  0x437b42e1, 0x933ba968, 0x4365e65b, 0x932e6b84, 0x4350873c, 0x932131d1,
+  0x433b2585, 0x9313fc51,
+  0x4325c135, 0x9306cb04, 0x43105a50, 0x92f99deb, 0x42faf0d4, 0x92ec7505,
+  0x42e584c3, 0x92df5054,
+  0x42d0161e, 0x92d22fd9, 0x42baa4e6, 0x92c51392, 0x42a5311b, 0x92b7fb82,
+  0x428fbabe, 0x92aae7a8,
+  0x427a41d0, 0x929dd806, 0x4264c653, 0x9290cc9b, 0x424f4845, 0x9283c568,
+  0x4239c7aa, 0x9276c26d,
+  0x42244481, 0x9269c3ac, 0x420ebecb, 0x925cc924, 0x41f93689, 0x924fd2d7,
+  0x41e3abbc, 0x9242e0c4,
+  0x41ce1e65, 0x9235f2ec, 0x41b88e84, 0x9229094f, 0x41a2fc1a, 0x921c23ef,
+  0x418d6729, 0x920f42cb,
+  0x4177cfb1, 0x920265e4, 0x416235b2, 0x91f58d3b, 0x414c992f, 0x91e8b8d0,
+  0x4136fa27, 0x91dbe8a4,
+  0x4121589b, 0x91cf1cb6, 0x410bb48c, 0x91c25508, 0x40f60dfb, 0x91b5919a,
+  0x40e064ea, 0x91a8d26d,
+  0x40cab958, 0x919c1781, 0x40b50b46, 0x918f60d6, 0x409f5ab6, 0x9182ae6d,
+  0x4089a7a8, 0x91760047,
+  0x4073f21d, 0x91695663, 0x405e3a16, 0x915cb0c3, 0x40487f94, 0x91500f67,
+  0x4032c297, 0x91437250,
+  0x401d0321, 0x9136d97d, 0x40074132, 0x912a44f0, 0x3ff17cca, 0x911db4a9,
+  0x3fdbb5ec, 0x911128a8,
+  0x3fc5ec98, 0x9104a0ee, 0x3fb020ce, 0x90f81d7b, 0x3f9a5290, 0x90eb9e50,
+  0x3f8481dd, 0x90df236e,
+  0x3f6eaeb8, 0x90d2acd4, 0x3f58d921, 0x90c63a83, 0x3f430119, 0x90b9cc7d,
+  0x3f2d26a0, 0x90ad62c0,
+  0x3f1749b8, 0x90a0fd4e, 0x3f016a61, 0x90949c28, 0x3eeb889c, 0x90883f4d,
+  0x3ed5a46b, 0x907be6be,
+  0x3ebfbdcd, 0x906f927c, 0x3ea9d4c3, 0x90634287, 0x3e93e950, 0x9056f6df,
+  0x3e7dfb73, 0x904aaf86,
+  0x3e680b2c, 0x903e6c7b, 0x3e52187f, 0x90322dbf, 0x3e3c2369, 0x9025f352,
+  0x3e262bee, 0x9019bd36,
+  0x3e10320d, 0x900d8b69, 0x3dfa35c8, 0x90015dee, 0x3de4371f, 0x8ff534c4,
+  0x3dce3614, 0x8fe90fec,
+  0x3db832a6, 0x8fdcef66, 0x3da22cd7, 0x8fd0d333, 0x3d8c24a8, 0x8fc4bb53,
+  0x3d761a19, 0x8fb8a7c7,
+  0x3d600d2c, 0x8fac988f, 0x3d49fde1, 0x8fa08dab, 0x3d33ec39, 0x8f94871d,
+  0x3d1dd835, 0x8f8884e4,
+  0x3d07c1d6, 0x8f7c8701, 0x3cf1a91c, 0x8f708d75, 0x3cdb8e09, 0x8f649840,
+  0x3cc5709e, 0x8f58a761,
+  0x3caf50da, 0x8f4cbadb, 0x3c992ec0, 0x8f40d2ad, 0x3c830a50, 0x8f34eed8,
+  0x3c6ce38a, 0x8f290f5c,
+  0x3c56ba70, 0x8f1d343a, 0x3c408f03, 0x8f115d72, 0x3c2a6142, 0x8f058b04,
+  0x3c143130, 0x8ef9bcf2,
+  0x3bfdfecd, 0x8eedf33b, 0x3be7ca1a, 0x8ee22de0, 0x3bd19318, 0x8ed66ce1,
+  0x3bbb59c7, 0x8ecab040,
+  0x3ba51e29, 0x8ebef7fb, 0x3b8ee03e, 0x8eb34415, 0x3b78a007, 0x8ea7948c,
+  0x3b625d86, 0x8e9be963,
+  0x3b4c18ba, 0x8e904298, 0x3b35d1a5, 0x8e84a02d, 0x3b1f8848, 0x8e790222,
+  0x3b093ca3, 0x8e6d6877,
+  0x3af2eeb7, 0x8e61d32e, 0x3adc9e86, 0x8e564246, 0x3ac64c0f, 0x8e4ab5bf,
+  0x3aaff755, 0x8e3f2d9b,
+  0x3a99a057, 0x8e33a9da, 0x3a834717, 0x8e282a7b, 0x3a6ceb96, 0x8e1caf80,
+  0x3a568dd4, 0x8e1138ea,
+  0x3a402dd2, 0x8e05c6b7, 0x3a29cb91, 0x8dfa58ea, 0x3a136712, 0x8deeef82,
+  0x39fd0056, 0x8de38a80,
+  0x39e6975e, 0x8dd829e4, 0x39d02c2a, 0x8dcccdaf, 0x39b9bebc, 0x8dc175e0,
+  0x39a34f13, 0x8db6227a,
+  0x398cdd32, 0x8daad37b, 0x39766919, 0x8d9f88e5, 0x395ff2c9, 0x8d9442b8,
+  0x39497a43, 0x8d8900f3,
+  0x3932ff87, 0x8d7dc399, 0x391c8297, 0x8d728aa9, 0x39060373, 0x8d675623,
+  0x38ef821c, 0x8d5c2609,
+  0x38d8fe93, 0x8d50fa59, 0x38c278d9, 0x8d45d316, 0x38abf0ef, 0x8d3ab03f,
+  0x389566d6, 0x8d2f91d5,
+  0x387eda8e, 0x8d2477d8, 0x38684c19, 0x8d196249, 0x3851bb77, 0x8d0e5127,
+  0x383b28a9, 0x8d034474,
+  0x382493b0, 0x8cf83c30, 0x380dfc8d, 0x8ced385b, 0x37f76341, 0x8ce238f6,
+  0x37e0c7cc, 0x8cd73e01,
+  0x37ca2a30, 0x8ccc477d, 0x37b38a6d, 0x8cc1556a, 0x379ce885, 0x8cb667c8,
+  0x37864477, 0x8cab7e98,
+  0x376f9e46, 0x8ca099da, 0x3758f5f2, 0x8c95b98f, 0x37424b7b, 0x8c8addb7,
+  0x372b9ee3, 0x8c800652,
+  0x3714f02a, 0x8c753362, 0x36fe3f52, 0x8c6a64e5, 0x36e78c5b, 0x8c5f9ade,
+  0x36d0d746, 0x8c54d54c,
+  0x36ba2014, 0x8c4a142f, 0x36a366c6, 0x8c3f5788, 0x368cab5c, 0x8c349f58,
+  0x3675edd9, 0x8c29eb9f,
+  0x365f2e3b, 0x8c1f3c5d, 0x36486c86, 0x8c149192, 0x3631a8b8, 0x8c09eb40,
+  0x361ae2d3, 0x8bff4966,
+  0x36041ad9, 0x8bf4ac05, 0x35ed50c9, 0x8bea131e, 0x35d684a6, 0x8bdf7eb0,
+  0x35bfb66e, 0x8bd4eebc,
+  0x35a8e625, 0x8bca6343, 0x359213c9, 0x8bbfdc44, 0x357b3f5d, 0x8bb559c1,
+  0x356468e2, 0x8baadbba,
+  0x354d9057, 0x8ba0622f, 0x3536b5be, 0x8b95ed21, 0x351fd918, 0x8b8b7c8f,
+  0x3508fa66, 0x8b81107b,
+  0x34f219a8, 0x8b76a8e4, 0x34db36df, 0x8b6c45cc, 0x34c4520d, 0x8b61e733,
+  0x34ad6b32, 0x8b578d18,
+  0x34968250, 0x8b4d377c, 0x347f9766, 0x8b42e661, 0x3468aa76, 0x8b3899c6,
+  0x3451bb81, 0x8b2e51ab,
+  0x343aca87, 0x8b240e11, 0x3423d78a, 0x8b19cef8, 0x340ce28b, 0x8b0f9462,
+  0x33f5eb89, 0x8b055e4d,
+  0x33def287, 0x8afb2cbb, 0x33c7f785, 0x8af0ffac, 0x33b0fa84, 0x8ae6d720,
+  0x3399fb85, 0x8adcb318,
+  0x3382fa88, 0x8ad29394, 0x336bf78f, 0x8ac87894, 0x3354f29b, 0x8abe6219,
+  0x333debab, 0x8ab45024,
+  0x3326e2c3, 0x8aaa42b4, 0x330fd7e1, 0x8aa039cb, 0x32f8cb07, 0x8a963567,
+  0x32e1bc36, 0x8a8c358b,
+  0x32caab6f, 0x8a823a36, 0x32b398b3, 0x8a784368, 0x329c8402, 0x8a6e5123,
+  0x32856d5e, 0x8a646365,
+  0x326e54c7, 0x8a5a7a31, 0x32573a3f, 0x8a509585, 0x32401dc6, 0x8a46b564,
+  0x3228ff5c, 0x8a3cd9cc,
+  0x3211df04, 0x8a3302be, 0x31fabcbd, 0x8a29303b, 0x31e39889, 0x8a1f6243,
+  0x31cc7269, 0x8a1598d6,
+  0x31b54a5e, 0x8a0bd3f5, 0x319e2067, 0x8a0213a0, 0x3186f487, 0x89f857d8,
+  0x316fc6be, 0x89eea09d,
+  0x3158970e, 0x89e4edef, 0x31416576, 0x89db3fcf, 0x312a31f8, 0x89d1963c,
+  0x3112fc95, 0x89c7f138,
+  0x30fbc54d, 0x89be50c3, 0x30e48c22, 0x89b4b4dd, 0x30cd5115, 0x89ab1d87,
+  0x30b61426, 0x89a18ac0,
+  0x309ed556, 0x8997fc8a, 0x308794a6, 0x898e72e4, 0x30705217, 0x8984edcf,
+  0x30590dab, 0x897b6d4c,
+  0x3041c761, 0x8971f15a, 0x302a7f3a, 0x896879fb, 0x30133539, 0x895f072e,
+  0x2ffbe95d, 0x895598f3,
+  0x2fe49ba7, 0x894c2f4c, 0x2fcd4c19, 0x8942ca39, 0x2fb5fab2, 0x893969b9,
+  0x2f9ea775, 0x89300dce,
+  0x2f875262, 0x8926b677, 0x2f6ffb7a, 0x891d63b5, 0x2f58a2be, 0x89141589,
+  0x2f41482e, 0x890acbf2,
+  0x2f29ebcc, 0x890186f2, 0x2f128d99, 0x88f84687, 0x2efb2d95, 0x88ef0ab4,
+  0x2ee3cbc1, 0x88e5d378,
+  0x2ecc681e, 0x88dca0d3, 0x2eb502ae, 0x88d372c6, 0x2e9d9b70, 0x88ca4951,
+  0x2e863267, 0x88c12475,
+  0x2e6ec792, 0x88b80432, 0x2e575af3, 0x88aee888, 0x2e3fec8b, 0x88a5d177,
+  0x2e287c5a, 0x889cbf01,
+  0x2e110a62, 0x8893b125, 0x2df996a3, 0x888aa7e3, 0x2de2211e, 0x8881a33d,
+  0x2dcaa9d5, 0x8878a332,
+  0x2db330c7, 0x886fa7c2, 0x2d9bb5f6, 0x8866b0ef, 0x2d843964, 0x885dbeb8,
+  0x2d6cbb10, 0x8854d11e,
+  0x2d553afc, 0x884be821, 0x2d3db928, 0x884303c1, 0x2d263596, 0x883a23ff,
+  0x2d0eb046, 0x883148db,
+  0x2cf72939, 0x88287256, 0x2cdfa071, 0x881fa06f, 0x2cc815ee, 0x8816d327,
+  0x2cb089b1, 0x880e0a7f,
+  0x2c98fbba, 0x88054677, 0x2c816c0c, 0x87fc870f, 0x2c69daa6, 0x87f3cc48,
+  0x2c52478a, 0x87eb1621,
+  0x2c3ab2b9, 0x87e2649b, 0x2c231c33, 0x87d9b7b7, 0x2c0b83fa, 0x87d10f75,
+  0x2bf3ea0d, 0x87c86bd5,
+  0x2bdc4e6f, 0x87bfccd7, 0x2bc4b120, 0x87b7327d, 0x2bad1221, 0x87ae9cc5,
+  0x2b957173, 0x87a60bb1,
+  0x2b7dcf17, 0x879d7f41, 0x2b662b0e, 0x8794f774, 0x2b4e8558, 0x878c744d,
+  0x2b36ddf7, 0x8783f5ca,
+  0x2b1f34eb, 0x877b7bec, 0x2b078a36, 0x877306b4, 0x2aefddd8, 0x876a9621,
+  0x2ad82fd2, 0x87622a35,
+  0x2ac08026, 0x8759c2ef, 0x2aa8ced3, 0x87516050, 0x2a911bdc, 0x87490258,
+  0x2a796740, 0x8740a907,
+  0x2a61b101, 0x8738545e, 0x2a49f920, 0x8730045d, 0x2a323f9e, 0x8727b905,
+  0x2a1a847b, 0x871f7255,
+  0x2a02c7b8, 0x8717304e, 0x29eb0957, 0x870ef2f1, 0x29d34958, 0x8706ba3d,
+  0x29bb87bc, 0x86fe8633,
+  0x29a3c485, 0x86f656d3, 0x298bffb2, 0x86ee2c1e, 0x29743946, 0x86e60614,
+  0x295c7140, 0x86dde4b5,
+  0x2944a7a2, 0x86d5c802, 0x292cdc6d, 0x86cdaffa, 0x29150fa1, 0x86c59c9f,
+  0x28fd4140, 0x86bd8df0,
+  0x28e5714b, 0x86b583ee, 0x28cd9fc1, 0x86ad7e99, 0x28b5cca5, 0x86a57df2,
+  0x289df7f8, 0x869d81f8,
+  0x288621b9, 0x86958aac, 0x286e49ea, 0x868d980e, 0x2856708d, 0x8685aa20,
+  0x283e95a1, 0x867dc0e0,
+  0x2826b928, 0x8675dc4f, 0x280edb23, 0x866dfc6e, 0x27f6fb92, 0x8666213c,
+  0x27df1a77, 0x865e4abb,
+  0x27c737d3, 0x865678eb, 0x27af53a6, 0x864eabcb, 0x27976df1, 0x8646e35c,
+  0x277f86b5, 0x863f1f9e,
+  0x27679df4, 0x86376092, 0x274fb3ae, 0x862fa638, 0x2737c7e3, 0x8627f091,
+  0x271fda96, 0x86203f9c,
+  0x2707ebc7, 0x86189359, 0x26effb76, 0x8610ebca, 0x26d809a5, 0x860948ef,
+  0x26c01655, 0x8601aac7,
+  0x26a82186, 0x85fa1153, 0x26902b39, 0x85f27c93, 0x26783370, 0x85eaec88,
+  0x26603a2c, 0x85e36132,
+  0x26483f6c, 0x85dbda91, 0x26304333, 0x85d458a6, 0x26184581, 0x85ccdb70,
+  0x26004657, 0x85c562f1,
+  0x25e845b6, 0x85bdef28, 0x25d0439f, 0x85b68015, 0x25b84012, 0x85af15b9,
+  0x25a03b11, 0x85a7b015,
+  0x2588349d, 0x85a04f28, 0x25702cb7, 0x8598f2f3, 0x2558235f, 0x85919b76,
+  0x25401896, 0x858a48b1,
+  0x25280c5e, 0x8582faa5, 0x250ffeb7, 0x857bb152, 0x24f7efa2, 0x85746cb8,
+  0x24dfdf20, 0x856d2cd7,
+  0x24c7cd33, 0x8565f1b0, 0x24afb9da, 0x855ebb44, 0x2497a517, 0x85578991,
+  0x247f8eec, 0x85505c99,
+  0x24677758, 0x8549345c, 0x244f5e5c, 0x854210db, 0x243743fa, 0x853af214,
+  0x241f2833, 0x8533d809,
+  0x24070b08, 0x852cc2bb, 0x23eeec78, 0x8525b228, 0x23d6cc87, 0x851ea652,
+  0x23beab33, 0x85179f39,
+  0x23a6887f, 0x85109cdd, 0x238e646a, 0x85099f3e, 0x23763ef7, 0x8502a65c,
+  0x235e1826, 0x84fbb239,
+  0x2345eff8, 0x84f4c2d4, 0x232dc66d, 0x84edd82d, 0x23159b88, 0x84e6f244,
+  0x22fd6f48, 0x84e0111b,
+  0x22e541af, 0x84d934b1, 0x22cd12bd, 0x84d25d06, 0x22b4e274, 0x84cb8a1b,
+  0x229cb0d5, 0x84c4bbf0,
+  0x22847de0, 0x84bdf286, 0x226c4996, 0x84b72ddb, 0x225413f8, 0x84b06df2,
+  0x223bdd08, 0x84a9b2ca,
+  0x2223a4c5, 0x84a2fc62, 0x220b6b32, 0x849c4abd, 0x21f3304f, 0x84959dd9,
+  0x21daf41d, 0x848ef5b7,
+  0x21c2b69c, 0x84885258, 0x21aa77cf, 0x8481b3bb, 0x219237b5, 0x847b19e1,
+  0x2179f64f, 0x847484ca,
+  0x2161b3a0, 0x846df477, 0x21496fa7, 0x846768e7, 0x21312a65, 0x8460e21a,
+  0x2118e3dc, 0x845a6012,
+  0x21009c0c, 0x8453e2cf, 0x20e852f6, 0x844d6a50, 0x20d0089c, 0x8446f695,
+  0x20b7bcfe, 0x844087a0,
+  0x209f701c, 0x843a1d70, 0x208721f9, 0x8433b806, 0x206ed295, 0x842d5762,
+  0x205681f1, 0x8426fb84,
+  0x203e300d, 0x8420a46c, 0x2025dcec, 0x841a521a, 0x200d888d, 0x84140490,
+  0x1ff532f2, 0x840dbbcc,
+  0x1fdcdc1b, 0x840777d0, 0x1fc4840a, 0x8401389b, 0x1fac2abf, 0x83fafe2e,
+  0x1f93d03c, 0x83f4c889,
+  0x1f7b7481, 0x83ee97ad, 0x1f63178f, 0x83e86b99, 0x1f4ab968, 0x83e2444d,
+  0x1f325a0b, 0x83dc21cb,
+  0x1f19f97b, 0x83d60412, 0x1f0197b8, 0x83cfeb22, 0x1ee934c3, 0x83c9d6fc,
+  0x1ed0d09d, 0x83c3c7a0,
+  0x1eb86b46, 0x83bdbd0e, 0x1ea004c1, 0x83b7b746, 0x1e879d0d, 0x83b1b649,
+  0x1e6f342c, 0x83abba17,
+  0x1e56ca1e, 0x83a5c2b0, 0x1e3e5ee5, 0x839fd014, 0x1e25f282, 0x8399e244,
+  0x1e0d84f5, 0x8393f940,
+  0x1df5163f, 0x838e1507, 0x1ddca662, 0x8388359b, 0x1dc4355e, 0x83825afb,
+  0x1dabc334, 0x837c8528,
+  0x1d934fe5, 0x8376b422, 0x1d7adb73, 0x8370e7e9, 0x1d6265dd, 0x836b207d,
+  0x1d49ef26, 0x83655ddf,
+  0x1d31774d, 0x835fa00f, 0x1d18fe54, 0x8359e70d, 0x1d00843d, 0x835432d8,
+  0x1ce80906, 0x834e8373,
+  0x1ccf8cb3, 0x8348d8dc, 0x1cb70f43, 0x83433314, 0x1c9e90b8, 0x833d921b,
+  0x1c861113, 0x8337f5f1,
+  0x1c6d9053, 0x83325e97, 0x1c550e7c, 0x832ccc0d, 0x1c3c8b8c, 0x83273e52,
+  0x1c240786, 0x8321b568,
+  0x1c0b826a, 0x831c314e, 0x1bf2fc3a, 0x8316b205, 0x1bda74f6, 0x8311378d,
+  0x1bc1ec9e, 0x830bc1e6,
+  0x1ba96335, 0x83065110, 0x1b90d8bb, 0x8300e50b, 0x1b784d30, 0x82fb7dd8,
+  0x1b5fc097, 0x82f61b77,
+  0x1b4732ef, 0x82f0bde8, 0x1b2ea43a, 0x82eb652b, 0x1b161479, 0x82e61141,
+  0x1afd83ad, 0x82e0c22a,
+  0x1ae4f1d6, 0x82db77e5, 0x1acc5ef6, 0x82d63274, 0x1ab3cb0d, 0x82d0f1d5,
+  0x1a9b361d, 0x82cbb60b,
+  0x1a82a026, 0x82c67f14, 0x1a6a0929, 0x82c14cf1, 0x1a517128, 0x82bc1fa2,
+  0x1a38d823, 0x82b6f727,
+  0x1a203e1b, 0x82b1d381, 0x1a07a311, 0x82acb4b0, 0x19ef0707, 0x82a79ab3,
+  0x19d669fc, 0x82a2858c,
+  0x19bdcbf3, 0x829d753a, 0x19a52ceb, 0x829869be, 0x198c8ce7, 0x82936317,
+  0x1973ebe6, 0x828e6146,
+  0x195b49ea, 0x8289644b, 0x1942a6f3, 0x82846c26, 0x192a0304, 0x827f78d8,
+  0x19115e1c, 0x827a8a61,
+  0x18f8b83c, 0x8275a0c0, 0x18e01167, 0x8270bbf7, 0x18c7699b, 0x826bdc04,
+  0x18aec0db, 0x826700e9,
+  0x18961728, 0x82622aa6, 0x187d6c82, 0x825d593a, 0x1864c0ea, 0x82588ca7,
+  0x184c1461, 0x8253c4eb,
+  0x183366e9, 0x824f0208, 0x181ab881, 0x824a43fe, 0x1802092c, 0x82458acc,
+  0x17e958ea, 0x8240d673,
+  0x17d0a7bc, 0x823c26f3, 0x17b7f5a3, 0x82377c4c, 0x179f429f, 0x8232d67f,
+  0x17868eb3, 0x822e358b,
+  0x176dd9de, 0x82299971, 0x17552422, 0x82250232, 0x173c6d80, 0x82206fcc,
+  0x1723b5f9, 0x821be240,
+  0x170afd8d, 0x82175990, 0x16f2443e, 0x8212d5b9, 0x16d98a0c, 0x820e56be,
+  0x16c0cef9, 0x8209dc9e,
+  0x16a81305, 0x82056758, 0x168f5632, 0x8200f6ef, 0x1676987f, 0x81fc8b60,
+  0x165dd9f0, 0x81f824ae,
+  0x16451a83, 0x81f3c2d7, 0x162c5a3b, 0x81ef65dc, 0x16139918, 0x81eb0dbe,
+  0x15fad71b, 0x81e6ba7c,
+  0x15e21445, 0x81e26c16, 0x15c95097, 0x81de228d, 0x15b08c12, 0x81d9dde1,
+  0x1597c6b7, 0x81d59e13,
+  0x157f0086, 0x81d16321, 0x15663982, 0x81cd2d0c, 0x154d71aa, 0x81c8fbd6,
+  0x1534a901, 0x81c4cf7d,
+  0x151bdf86, 0x81c0a801, 0x1503153a, 0x81bc8564, 0x14ea4a1f, 0x81b867a5,
+  0x14d17e36, 0x81b44ec4,
+  0x14b8b17f, 0x81b03ac2, 0x149fe3fc, 0x81ac2b9e, 0x148715ae, 0x81a82159,
+  0x146e4694, 0x81a41bf4,
+  0x145576b1, 0x81a01b6d, 0x143ca605, 0x819c1fc5, 0x1423d492, 0x819828fd,
+  0x140b0258, 0x81943715,
+  0x13f22f58, 0x81904a0c, 0x13d95b93, 0x818c61e3, 0x13c0870a, 0x81887e9a,
+  0x13a7b1bf, 0x8184a032,
+  0x138edbb1, 0x8180c6a9, 0x137604e2, 0x817cf201, 0x135d2d53, 0x8179223a,
+  0x13445505, 0x81755754,
+  0x132b7bf9, 0x8171914e, 0x1312a230, 0x816dd02a, 0x12f9c7aa, 0x816a13e6,
+  0x12e0ec6a, 0x81665c84,
+  0x12c8106f, 0x8162aa04, 0x12af33ba, 0x815efc65, 0x1296564d, 0x815b53a8,
+  0x127d7829, 0x8157afcd,
+  0x1264994e, 0x815410d4, 0x124bb9be, 0x815076bd, 0x1232d979, 0x814ce188,
+  0x1219f880, 0x81495136,
+  0x120116d5, 0x8145c5c7, 0x11e83478, 0x81423f3a, 0x11cf516a, 0x813ebd90,
+  0x11b66dad, 0x813b40ca,
+  0x119d8941, 0x8137c8e6, 0x1184a427, 0x813455e6, 0x116bbe60, 0x8130e7c9,
+  0x1152d7ed, 0x812d7e8f,
+  0x1139f0cf, 0x812a1a3a, 0x11210907, 0x8126bac8, 0x11082096, 0x8123603a,
+  0x10ef377d, 0x81200a90,
+  0x10d64dbd, 0x811cb9ca, 0x10bd6356, 0x81196de9, 0x10a4784b, 0x811626ec,
+  0x108b8c9b, 0x8112e4d4,
+  0x1072a048, 0x810fa7a0, 0x1059b352, 0x810c6f52, 0x1040c5bb, 0x81093be8,
+  0x1027d784, 0x81060d63,
+  0x100ee8ad, 0x8102e3c4, 0xff5f938, 0x80ffbf0a, 0xfdd0926, 0x80fc9f35,
+  0xfc41876, 0x80f98446,
+  0xfab272b, 0x80f66e3c, 0xf923546, 0x80f35d19, 0xf7942c7, 0x80f050db,
+  0xf604faf, 0x80ed4984,
+  0xf475bff, 0x80ea4712, 0xf2e67b8, 0x80e74987, 0xf1572dc, 0x80e450e2,
+  0xefc7d6b, 0x80e15d24,
+  0xee38766, 0x80de6e4c, 0xeca90ce, 0x80db845b, 0xeb199a4, 0x80d89f51,
+  0xe98a1e9, 0x80d5bf2e,
+  0xe7fa99e, 0x80d2e3f2, 0xe66b0c3, 0x80d00d9d, 0xe4db75b, 0x80cd3c2f,
+  0xe34bd66, 0x80ca6fa9,
+  0xe1bc2e4, 0x80c7a80a, 0xe02c7d7, 0x80c4e553, 0xde9cc40, 0x80c22784,
+  0xdd0d01f, 0x80bf6e9c,
+  0xdb7d376, 0x80bcba9d, 0xd9ed646, 0x80ba0b85, 0xd85d88f, 0x80b76156,
+  0xd6cda53, 0x80b4bc0e,
+  0xd53db92, 0x80b21baf, 0xd3adc4e, 0x80af8039, 0xd21dc87, 0x80ace9ab,
+  0xd08dc3f, 0x80aa5806,
+  0xcefdb76, 0x80a7cb49, 0xcd6da2d, 0x80a54376, 0xcbdd865, 0x80a2c08b,
+  0xca4d620, 0x80a04289,
+  0xc8bd35e, 0x809dc971, 0xc72d020, 0x809b5541, 0xc59cc68, 0x8098e5fb,
+  0xc40c835, 0x80967b9f,
+  0xc27c389, 0x8094162c, 0xc0ebe66, 0x8091b5a2, 0xbf5b8cb, 0x808f5a02,
+  0xbdcb2bb, 0x808d034c,
+  0xbc3ac35, 0x808ab180, 0xbaaa53b, 0x8088649e, 0xb919dcf, 0x80861ca6,
+  0xb7895f0, 0x8083d998,
+  0xb5f8d9f, 0x80819b74, 0xb4684df, 0x807f623b, 0xb2d7baf, 0x807d2dec,
+  0xb147211, 0x807afe87,
+  0xafb6805, 0x8078d40d, 0xae25d8d, 0x8076ae7e, 0xac952aa, 0x80748dd9,
+  0xab0475c, 0x8072721f,
+  0xa973ba5, 0x80705b50, 0xa7e2f85, 0x806e496c, 0xa6522fe, 0x806c3c74,
+  0xa4c1610, 0x806a3466,
+  0xa3308bd, 0x80683143, 0xa19fb04, 0x8066330c, 0xa00ece8, 0x806439c0,
+  0x9e7de6a, 0x80624560,
+  0x9cecf89, 0x806055eb, 0x9b5c048, 0x805e6b62, 0x99cb0a7, 0x805c85c4,
+  0x983a0a7, 0x805aa512,
+  0x96a9049, 0x8058c94c, 0x9517f8f, 0x8056f272, 0x9386e78, 0x80552084,
+  0x91f5d06, 0x80535381,
+  0x9064b3a, 0x80518b6b, 0x8ed3916, 0x804fc841, 0x8d42699, 0x804e0a04,
+  0x8bb13c5, 0x804c50b2,
+  0x8a2009a, 0x804a9c4d, 0x888ed1b, 0x8048ecd5, 0x86fd947, 0x80474248,
+  0x856c520, 0x80459ca9,
+  0x83db0a7, 0x8043fbf6, 0x8249bdd, 0x80426030, 0x80b86c2, 0x8040c956,
+  0x7f27157, 0x803f376a,
+  0x7d95b9e, 0x803daa6a, 0x7c04598, 0x803c2257, 0x7a72f45, 0x803a9f31,
+  0x78e18a7, 0x803920f8,
+  0x77501be, 0x8037a7ac, 0x75bea8c, 0x8036334e, 0x742d311, 0x8034c3dd,
+  0x729bb4e, 0x80335959,
+  0x710a345, 0x8031f3c2, 0x6f78af6, 0x80309318, 0x6de7262, 0x802f375d,
+  0x6c5598a, 0x802de08e,
+  0x6ac406f, 0x802c8ead, 0x6932713, 0x802b41ba, 0x67a0d76, 0x8029f9b4,
+  0x660f398, 0x8028b69c,
+  0x647d97c, 0x80277872, 0x62ebf22, 0x80263f36, 0x615a48b, 0x80250ae7,
+  0x5fc89b8, 0x8023db86,
+  0x5e36ea9, 0x8022b114, 0x5ca5361, 0x80218b8f, 0x5b137df, 0x80206af8,
+  0x5981c26, 0x801f4f4f,
+  0x57f0035, 0x801e3895, 0x565e40d, 0x801d26c8, 0x54cc7b1, 0x801c19ea,
+  0x533ab20, 0x801b11fa,
+  0x51a8e5c, 0x801a0ef8, 0x5017165, 0x801910e4, 0x4e8543e, 0x801817bf,
+  0x4cf36e5, 0x80172388,
+  0x4b6195d, 0x80163440, 0x49cfba7, 0x801549e6, 0x483ddc3, 0x8014647b,
+  0x46abfb3, 0x801383fe,
+  0x451a177, 0x8012a86f, 0x4388310, 0x8011d1d0, 0x41f6480, 0x8011001f,
+  0x40645c7, 0x8010335c,
+  0x3ed26e6, 0x800f6b88, 0x3d407df, 0x800ea8a3, 0x3bae8b2, 0x800deaad,
+  0x3a1c960, 0x800d31a5,
+  0x388a9ea, 0x800c7d8c, 0x36f8a51, 0x800bce63, 0x3566a96, 0x800b2427,
+  0x33d4abb, 0x800a7edb,
+  0x3242abf, 0x8009de7e, 0x30b0aa4, 0x80094310, 0x2f1ea6c, 0x8008ac90,
+  0x2d8ca16, 0x80081b00,
+  0x2bfa9a4, 0x80078e5e, 0x2a68917, 0x800706ac, 0x28d6870, 0x800683e8,
+  0x27447b0, 0x80060614,
+  0x25b26d7, 0x80058d2f, 0x24205e8, 0x80051939, 0x228e4e2, 0x8004aa32,
+  0x20fc3c6, 0x8004401a,
+  0x1f6a297, 0x8003daf1, 0x1dd8154, 0x80037ab7, 0x1c45ffe, 0x80031f6d,
+  0x1ab3e97, 0x8002c912,
+  0x1921d20, 0x800277a6, 0x178fb99, 0x80022b29, 0x15fda03, 0x8001e39b,
+  0x146b860, 0x8001a0fd,
+  0x12d96b1, 0x8001634e, 0x11474f6, 0x80012a8e, 0xfb5330, 0x8000f6bd,
+  0xe23160, 0x8000c7dc,
+  0xc90f88, 0x80009dea, 0xafeda8, 0x800078e7, 0x96cbc1, 0x800058d4, 0x7da9d4,
+  0x80003daf,
+  0x6487e3, 0x8000277a, 0x4b65ee, 0x80001635, 0x3243f5, 0x800009df, 0x1921fb,
+  0x80000278,
+};
+
+static const q31_t WeightsQ31_8192[16384] = {
+  0x7fffffff, 0x0, 0x7fffffd9, 0xfff9b781, 0x7fffff62, 0xfff36f02, 0x7ffffe9d,
+    0xffed2684,
+  0x7ffffd88, 0xffe6de05, 0x7ffffc25, 0xffe09586, 0x7ffffa73, 0xffda4d08,
+    0x7ffff872, 0xffd40489,
+  0x7ffff621, 0xffcdbc0b, 0x7ffff382, 0xffc7738c, 0x7ffff094, 0xffc12b0e,
+    0x7fffed57, 0xffbae290,
+  0x7fffe9cb, 0xffb49a12, 0x7fffe5f0, 0xffae5195, 0x7fffe1c6, 0xffa80917,
+    0x7fffdd4d, 0xffa1c09a,
+  0x7fffd886, 0xff9b781d, 0x7fffd36f, 0xff952fa0, 0x7fffce09, 0xff8ee724,
+    0x7fffc854, 0xff889ea7,
+  0x7fffc251, 0xff82562c, 0x7fffbbfe, 0xff7c0db0, 0x7fffb55c, 0xff75c535,
+    0x7fffae6c, 0xff6f7cba,
+  0x7fffa72c, 0xff69343f, 0x7fff9f9e, 0xff62ebc5, 0x7fff97c1, 0xff5ca34b,
+    0x7fff8f94, 0xff565ad1,
+  0x7fff8719, 0xff501258, 0x7fff7e4f, 0xff49c9df, 0x7fff7536, 0xff438167,
+    0x7fff6bcd, 0xff3d38ef,
+  0x7fff6216, 0xff36f078, 0x7fff5810, 0xff30a801, 0x7fff4dbb, 0xff2a5f8b,
+    0x7fff4317, 0xff241715,
+  0x7fff3824, 0xff1dcea0, 0x7fff2ce2, 0xff17862b, 0x7fff2151, 0xff113db7,
+    0x7fff1572, 0xff0af543,
+  0x7fff0943, 0xff04acd0, 0x7ffefcc5, 0xfefe645e, 0x7ffeeff8, 0xfef81bec,
+    0x7ffee2dd, 0xfef1d37b,
+  0x7ffed572, 0xfeeb8b0a, 0x7ffec7b9, 0xfee5429a, 0x7ffeb9b0, 0xfedefa2b,
+    0x7ffeab59, 0xfed8b1bd,
+  0x7ffe9cb2, 0xfed2694f, 0x7ffe8dbd, 0xfecc20e2, 0x7ffe7e79, 0xfec5d876,
+    0x7ffe6ee5, 0xfebf900a,
+  0x7ffe5f03, 0xfeb947a0, 0x7ffe4ed2, 0xfeb2ff36, 0x7ffe3e52, 0xfeacb6cc,
+    0x7ffe2d83, 0xfea66e64,
+  0x7ffe1c65, 0xfea025fd, 0x7ffe0af8, 0xfe99dd96, 0x7ffdf93c, 0xfe939530,
+    0x7ffde731, 0xfe8d4ccb,
+  0x7ffdd4d7, 0xfe870467, 0x7ffdc22e, 0xfe80bc04, 0x7ffdaf37, 0xfe7a73a2,
+    0x7ffd9bf0, 0xfe742b41,
+  0x7ffd885a, 0xfe6de2e0, 0x7ffd7476, 0xfe679a81, 0x7ffd6042, 0xfe615223,
+    0x7ffd4bc0, 0xfe5b09c5,
+  0x7ffd36ee, 0xfe54c169, 0x7ffd21ce, 0xfe4e790d, 0x7ffd0c5f, 0xfe4830b3,
+    0x7ffcf6a0, 0xfe41e85a,
+  0x7ffce093, 0xfe3ba002, 0x7ffcca37, 0xfe3557ab, 0x7ffcb38c, 0xfe2f0f55,
+    0x7ffc9c92, 0xfe28c700,
+  0x7ffc8549, 0xfe227eac, 0x7ffc6db1, 0xfe1c365a, 0x7ffc55ca, 0xfe15ee09,
+    0x7ffc3d94, 0xfe0fa5b8,
+  0x7ffc250f, 0xfe095d69, 0x7ffc0c3b, 0xfe03151c, 0x7ffbf319, 0xfdfccccf,
+    0x7ffbd9a7, 0xfdf68484,
+  0x7ffbbfe6, 0xfdf03c3a, 0x7ffba5d7, 0xfde9f3f1, 0x7ffb8b78, 0xfde3aba9,
+    0x7ffb70cb, 0xfddd6363,
+  0x7ffb55ce, 0xfdd71b1e, 0x7ffb3a83, 0xfdd0d2db, 0x7ffb1ee9, 0xfdca8a99,
+    0x7ffb0300, 0xfdc44258,
+  0x7ffae6c7, 0xfdbdfa18, 0x7ffaca40, 0xfdb7b1da, 0x7ffaad6a, 0xfdb1699e,
+    0x7ffa9045, 0xfdab2162,
+  0x7ffa72d1, 0xfda4d929, 0x7ffa550e, 0xfd9e90f0, 0x7ffa36fc, 0xfd9848b9,
+    0x7ffa189c, 0xfd920084,
+  0x7ff9f9ec, 0xfd8bb850, 0x7ff9daed, 0xfd85701e, 0x7ff9bba0, 0xfd7f27ed,
+    0x7ff99c03, 0xfd78dfbd,
+  0x7ff97c18, 0xfd729790, 0x7ff95bdd, 0xfd6c4f64, 0x7ff93b54, 0xfd660739,
+    0x7ff91a7b, 0xfd5fbf10,
+  0x7ff8f954, 0xfd5976e9, 0x7ff8d7de, 0xfd532ec3, 0x7ff8b619, 0xfd4ce69f,
+    0x7ff89405, 0xfd469e7c,
+  0x7ff871a2, 0xfd40565c, 0x7ff84ef0, 0xfd3a0e3d, 0x7ff82bef, 0xfd33c61f,
+    0x7ff8089f, 0xfd2d7e04,
+  0x7ff7e500, 0xfd2735ea, 0x7ff7c113, 0xfd20edd2, 0x7ff79cd6, 0xfd1aa5bc,
+    0x7ff7784a, 0xfd145da7,
+  0x7ff75370, 0xfd0e1594, 0x7ff72e46, 0xfd07cd83, 0x7ff708ce, 0xfd018574,
+    0x7ff6e307, 0xfcfb3d67,
+  0x7ff6bcf0, 0xfcf4f55c, 0x7ff6968b, 0xfceead52, 0x7ff66fd7, 0xfce8654b,
+    0x7ff648d4, 0xfce21d45,
+  0x7ff62182, 0xfcdbd541, 0x7ff5f9e1, 0xfcd58d3f, 0x7ff5d1f1, 0xfccf453f,
+    0x7ff5a9b2, 0xfcc8fd41,
+  0x7ff58125, 0xfcc2b545, 0x7ff55848, 0xfcbc6d4c, 0x7ff52f1d, 0xfcb62554,
+    0x7ff505a2, 0xfcafdd5e,
+  0x7ff4dbd9, 0xfca9956a, 0x7ff4b1c0, 0xfca34d78, 0x7ff48759, 0xfc9d0588,
+    0x7ff45ca3, 0xfc96bd9b,
+  0x7ff4319d, 0xfc9075af, 0x7ff40649, 0xfc8a2dc6, 0x7ff3daa6, 0xfc83e5de,
+    0x7ff3aeb4, 0xfc7d9df9,
+  0x7ff38274, 0xfc775616, 0x7ff355e4, 0xfc710e36, 0x7ff32905, 0xfc6ac657,
+    0x7ff2fbd7, 0xfc647e7b,
+  0x7ff2ce5b, 0xfc5e36a0, 0x7ff2a08f, 0xfc57eec9, 0x7ff27275, 0xfc51a6f3,
+    0x7ff2440b, 0xfc4b5f20,
+  0x7ff21553, 0xfc45174e, 0x7ff1e64c, 0xfc3ecf80, 0x7ff1b6f6, 0xfc3887b3,
+    0x7ff18751, 0xfc323fe9,
+  0x7ff1575d, 0xfc2bf821, 0x7ff1271a, 0xfc25b05c, 0x7ff0f688, 0xfc1f6899,
+    0x7ff0c5a7, 0xfc1920d8,
+  0x7ff09478, 0xfc12d91a, 0x7ff062f9, 0xfc0c915e, 0x7ff0312c, 0xfc0649a5,
+    0x7fefff0f, 0xfc0001ee,
+  0x7fefcca4, 0xfbf9ba39, 0x7fef99ea, 0xfbf37287, 0x7fef66e1, 0xfbed2ad8,
+    0x7fef3388, 0xfbe6e32b,
+  0x7feeffe1, 0xfbe09b80, 0x7feecbec, 0xfbda53d8, 0x7fee97a7, 0xfbd40c33,
+    0x7fee6313, 0xfbcdc490,
+  0x7fee2e30, 0xfbc77cf0, 0x7fedf8ff, 0xfbc13552, 0x7fedc37e, 0xfbbaedb7,
+    0x7fed8daf, 0xfbb4a61f,
+  0x7fed5791, 0xfbae5e89, 0x7fed2123, 0xfba816f6, 0x7fecea67, 0xfba1cf66,
+    0x7fecb35c, 0xfb9b87d8,
+  0x7fec7c02, 0xfb95404d, 0x7fec4459, 0xfb8ef8c5, 0x7fec0c62, 0xfb88b13f,
+    0x7febd41b, 0xfb8269bd,
+  0x7feb9b85, 0xfb7c223d, 0x7feb62a1, 0xfb75dac0, 0x7feb296d, 0xfb6f9345,
+    0x7feaefeb, 0xfb694bce,
+  0x7feab61a, 0xfb630459, 0x7fea7bfa, 0xfb5cbce7, 0x7fea418b, 0xfb567578,
+    0x7fea06cd, 0xfb502e0c,
+  0x7fe9cbc0, 0xfb49e6a3, 0x7fe99064, 0xfb439f3c, 0x7fe954ba, 0xfb3d57d9,
+    0x7fe918c0, 0xfb371078,
+  0x7fe8dc78, 0xfb30c91b, 0x7fe89fe0, 0xfb2a81c0, 0x7fe862fa, 0xfb243a69,
+    0x7fe825c5, 0xfb1df314,
+  0x7fe7e841, 0xfb17abc2, 0x7fe7aa6e, 0xfb116474, 0x7fe76c4c, 0xfb0b1d28,
+    0x7fe72ddb, 0xfb04d5e0,
+  0x7fe6ef1c, 0xfafe8e9b, 0x7fe6b00d, 0xfaf84758, 0x7fe670b0, 0xfaf20019,
+    0x7fe63103, 0xfaebb8dd,
+  0x7fe5f108, 0xfae571a4, 0x7fe5b0be, 0xfadf2a6e, 0x7fe57025, 0xfad8e33c,
+    0x7fe52f3d, 0xfad29c0c,
+  0x7fe4ee06, 0xfacc54e0, 0x7fe4ac81, 0xfac60db7, 0x7fe46aac, 0xfabfc691,
+    0x7fe42889, 0xfab97f6e,
+  0x7fe3e616, 0xfab3384f, 0x7fe3a355, 0xfaacf133, 0x7fe36045, 0xfaa6aa1a,
+    0x7fe31ce6, 0xfaa06305,
+  0x7fe2d938, 0xfa9a1bf3, 0x7fe2953b, 0xfa93d4e4, 0x7fe250ef, 0xfa8d8dd8,
+    0x7fe20c55, 0xfa8746d0,
+  0x7fe1c76b, 0xfa80ffcb, 0x7fe18233, 0xfa7ab8ca, 0x7fe13cac, 0xfa7471cc,
+    0x7fe0f6d6, 0xfa6e2ad1,
+  0x7fe0b0b1, 0xfa67e3da, 0x7fe06a3d, 0xfa619ce7, 0x7fe0237a, 0xfa5b55f7,
+    0x7fdfdc69, 0xfa550f0a,
+  0x7fdf9508, 0xfa4ec821, 0x7fdf4d59, 0xfa48813b, 0x7fdf055a, 0xfa423a59,
+    0x7fdebd0d, 0xfa3bf37a,
+  0x7fde7471, 0xfa35ac9f, 0x7fde2b86, 0xfa2f65c8, 0x7fdde24d, 0xfa291ef4,
+    0x7fdd98c4, 0xfa22d823,
+  0x7fdd4eec, 0xfa1c9157, 0x7fdd04c6, 0xfa164a8e, 0x7fdcba51, 0xfa1003c8,
+    0x7fdc6f8d, 0xfa09bd06,
+  0x7fdc247a, 0xfa037648, 0x7fdbd918, 0xf9fd2f8e, 0x7fdb8d67, 0xf9f6e8d7,
+    0x7fdb4167, 0xf9f0a224,
+  0x7fdaf519, 0xf9ea5b75, 0x7fdaa87c, 0xf9e414ca, 0x7fda5b8f, 0xf9ddce22,
+    0x7fda0e54, 0xf9d7877e,
+  0x7fd9c0ca, 0xf9d140de, 0x7fd972f2, 0xf9cafa42, 0x7fd924ca, 0xf9c4b3a9,
+    0x7fd8d653, 0xf9be6d15,
+  0x7fd8878e, 0xf9b82684, 0x7fd8387a, 0xf9b1dff7, 0x7fd7e917, 0xf9ab996e,
+    0x7fd79965, 0xf9a552e9,
+  0x7fd74964, 0xf99f0c68, 0x7fd6f914, 0xf998c5ea, 0x7fd6a875, 0xf9927f71,
+    0x7fd65788, 0xf98c38fc,
+  0x7fd6064c, 0xf985f28a, 0x7fd5b4c1, 0xf97fac1d, 0x7fd562e7, 0xf97965b4,
+    0x7fd510be, 0xf9731f4e,
+  0x7fd4be46, 0xf96cd8ed, 0x7fd46b80, 0xf9669290, 0x7fd4186a, 0xf9604c37,
+    0x7fd3c506, 0xf95a05e2,
+  0x7fd37153, 0xf953bf91, 0x7fd31d51, 0xf94d7944, 0x7fd2c900, 0xf94732fb,
+    0x7fd27460, 0xf940ecb7,
+  0x7fd21f72, 0xf93aa676, 0x7fd1ca35, 0xf934603a, 0x7fd174a8, 0xf92e1a02,
+    0x7fd11ecd, 0xf927d3ce,
+  0x7fd0c8a3, 0xf9218d9e, 0x7fd0722b, 0xf91b4773, 0x7fd01b63, 0xf915014c,
+    0x7fcfc44d, 0xf90ebb29,
+  0x7fcf6ce8, 0xf908750a, 0x7fcf1533, 0xf9022ef0, 0x7fcebd31, 0xf8fbe8da,
+    0x7fce64df, 0xf8f5a2c9,
+  0x7fce0c3e, 0xf8ef5cbb, 0x7fcdb34f, 0xf8e916b2, 0x7fcd5a11, 0xf8e2d0ae,
+    0x7fcd0083, 0xf8dc8aae,
+  0x7fcca6a7, 0xf8d644b2, 0x7fcc4c7d, 0xf8cffebb, 0x7fcbf203, 0xf8c9b8c8,
+    0x7fcb973b, 0xf8c372d9,
+  0x7fcb3c23, 0xf8bd2cef, 0x7fcae0bd, 0xf8b6e70a, 0x7fca8508, 0xf8b0a129,
+    0x7fca2905, 0xf8aa5b4c,
+  0x7fc9ccb2, 0xf8a41574, 0x7fc97011, 0xf89dcfa1, 0x7fc91320, 0xf89789d2,
+    0x7fc8b5e1, 0xf8914407,
+  0x7fc85854, 0xf88afe42, 0x7fc7fa77, 0xf884b880, 0x7fc79c4b, 0xf87e72c4,
+    0x7fc73dd1, 0xf8782d0c,
+  0x7fc6df08, 0xf871e759, 0x7fc67ff0, 0xf86ba1aa, 0x7fc62089, 0xf8655c00,
+    0x7fc5c0d3, 0xf85f165b,
+  0x7fc560cf, 0xf858d0bb, 0x7fc5007c, 0xf8528b1f, 0x7fc49fda, 0xf84c4588,
+    0x7fc43ee9, 0xf845fff5,
+  0x7fc3dda9, 0xf83fba68, 0x7fc37c1b, 0xf83974df, 0x7fc31a3d, 0xf8332f5b,
+    0x7fc2b811, 0xf82ce9dc,
+  0x7fc25596, 0xf826a462, 0x7fc1f2cc, 0xf8205eec, 0x7fc18fb4, 0xf81a197b,
+    0x7fc12c4d, 0xf813d410,
+  0x7fc0c896, 0xf80d8ea9, 0x7fc06491, 0xf8074947, 0x7fc0003e, 0xf80103ea,
+    0x7fbf9b9b, 0xf7fabe92,
+  0x7fbf36aa, 0xf7f4793e, 0x7fbed16a, 0xf7ee33f0, 0x7fbe6bdb, 0xf7e7eea7,
+    0x7fbe05fd, 0xf7e1a963,
+  0x7fbd9fd0, 0xf7db6423, 0x7fbd3955, 0xf7d51ee9, 0x7fbcd28b, 0xf7ced9b4,
+    0x7fbc6b72, 0xf7c89484,
+  0x7fbc040a, 0xf7c24f59, 0x7fbb9c53, 0xf7bc0a33, 0x7fbb344e, 0xf7b5c512,
+    0x7fbacbfa, 0xf7af7ff6,
+  0x7fba6357, 0xf7a93ae0, 0x7fb9fa65, 0xf7a2f5ce, 0x7fb99125, 0xf79cb0c2,
+    0x7fb92796, 0xf7966bbb,
+  0x7fb8bdb8, 0xf79026b9, 0x7fb8538b, 0xf789e1bc, 0x7fb7e90f, 0xf7839cc4,
+    0x7fb77e45, 0xf77d57d2,
+  0x7fb7132b, 0xf77712e5, 0x7fb6a7c3, 0xf770cdfd, 0x7fb63c0d, 0xf76a891b,
+    0x7fb5d007, 0xf764443d,
+  0x7fb563b3, 0xf75dff66, 0x7fb4f710, 0xf757ba93, 0x7fb48a1e, 0xf75175c6,
+    0x7fb41cdd, 0xf74b30fe,
+  0x7fb3af4e, 0xf744ec3b, 0x7fb34170, 0xf73ea77e, 0x7fb2d343, 0xf73862c6,
+    0x7fb264c7, 0xf7321e14,
+  0x7fb1f5fc, 0xf72bd967, 0x7fb186e3, 0xf72594c0, 0x7fb1177b, 0xf71f501e,
+    0x7fb0a7c4, 0xf7190b81,
+  0x7fb037bf, 0xf712c6ea, 0x7fafc76a, 0xf70c8259, 0x7faf56c7, 0xf7063dcd,
+    0x7faee5d5, 0xf6fff946,
+  0x7fae7495, 0xf6f9b4c6, 0x7fae0305, 0xf6f3704a, 0x7fad9127, 0xf6ed2bd4,
+    0x7fad1efa, 0xf6e6e764,
+  0x7facac7f, 0xf6e0a2fa, 0x7fac39b4, 0xf6da5e95, 0x7fabc69b, 0xf6d41a36,
+    0x7fab5333, 0xf6cdd5dc,
+  0x7faadf7c, 0xf6c79188, 0x7faa6b77, 0xf6c14d3a, 0x7fa9f723, 0xf6bb08f1,
+    0x7fa98280, 0xf6b4c4ae,
+  0x7fa90d8e, 0xf6ae8071, 0x7fa8984e, 0xf6a83c3a, 0x7fa822bf, 0xf6a1f808,
+    0x7fa7ace1, 0xf69bb3dd,
+  0x7fa736b4, 0xf6956fb7, 0x7fa6c039, 0xf68f2b96, 0x7fa6496e, 0xf688e77c,
+    0x7fa5d256, 0xf682a367,
+  0x7fa55aee, 0xf67c5f59, 0x7fa4e338, 0xf6761b50, 0x7fa46b32, 0xf66fd74d,
+    0x7fa3f2df, 0xf6699350,
+  0x7fa37a3c, 0xf6634f59, 0x7fa3014b, 0xf65d0b68, 0x7fa2880b, 0xf656c77c,
+    0x7fa20e7c, 0xf6508397,
+  0x7fa1949e, 0xf64a3fb8, 0x7fa11a72, 0xf643fbdf, 0x7fa09ff7, 0xf63db80b,
+    0x7fa0252e, 0xf637743e,
+  0x7f9faa15, 0xf6313077, 0x7f9f2eae, 0xf62aecb5, 0x7f9eb2f8, 0xf624a8fa,
+    0x7f9e36f4, 0xf61e6545,
+  0x7f9dbaa0, 0xf6182196, 0x7f9d3dfe, 0xf611dded, 0x7f9cc10d, 0xf60b9a4b,
+    0x7f9c43ce, 0xf60556ae,
+  0x7f9bc640, 0xf5ff1318, 0x7f9b4863, 0xf5f8cf87, 0x7f9aca37, 0xf5f28bfd,
+    0x7f9a4bbd, 0xf5ec4879,
+  0x7f99ccf4, 0xf5e604fc, 0x7f994ddc, 0xf5dfc184, 0x7f98ce76, 0xf5d97e13,
+    0x7f984ec1, 0xf5d33aa8,
+  0x7f97cebd, 0xf5ccf743, 0x7f974e6a, 0xf5c6b3e5, 0x7f96cdc9, 0xf5c0708d,
+    0x7f964cd9, 0xf5ba2d3b,
+  0x7f95cb9a, 0xf5b3e9f0, 0x7f954a0d, 0xf5ada6ab, 0x7f94c831, 0xf5a7636c,
+    0x7f944606, 0xf5a12034,
+  0x7f93c38c, 0xf59add02, 0x7f9340c4, 0xf59499d6, 0x7f92bdad, 0xf58e56b1,
+    0x7f923a48, 0xf5881393,
+  0x7f91b694, 0xf581d07b, 0x7f913291, 0xf57b8d69, 0x7f90ae3f, 0xf5754a5e,
+    0x7f90299f, 0xf56f0759,
+  0x7f8fa4b0, 0xf568c45b, 0x7f8f1f72, 0xf5628163, 0x7f8e99e6, 0xf55c3e72,
+    0x7f8e140a, 0xf555fb88,
+  0x7f8d8de1, 0xf54fb8a4, 0x7f8d0768, 0xf54975c6, 0x7f8c80a1, 0xf54332ef,
+    0x7f8bf98b, 0xf53cf01f,
+  0x7f8b7227, 0xf536ad56, 0x7f8aea74, 0xf5306a93, 0x7f8a6272, 0xf52a27d7,
+    0x7f89da21, 0xf523e521,
+  0x7f895182, 0xf51da273, 0x7f88c894, 0xf5175fca, 0x7f883f58, 0xf5111d29,
+    0x7f87b5cd, 0xf50ada8f,
+  0x7f872bf3, 0xf50497fb, 0x7f86a1ca, 0xf4fe556e, 0x7f861753, 0xf4f812e7,
+    0x7f858c8d, 0xf4f1d068,
+  0x7f850179, 0xf4eb8def, 0x7f847616, 0xf4e54b7d, 0x7f83ea64, 0xf4df0912,
+    0x7f835e64, 0xf4d8c6ae,
+  0x7f82d214, 0xf4d28451, 0x7f824577, 0xf4cc41fb, 0x7f81b88a, 0xf4c5ffab,
+    0x7f812b4f, 0xf4bfbd63,
+  0x7f809dc5, 0xf4b97b21, 0x7f800fed, 0xf4b338e7, 0x7f7f81c6, 0xf4acf6b3,
+    0x7f7ef350, 0xf4a6b486,
+  0x7f7e648c, 0xf4a07261, 0x7f7dd579, 0xf49a3042, 0x7f7d4617, 0xf493ee2b,
+    0x7f7cb667, 0xf48dac1a,
+  0x7f7c2668, 0xf4876a10, 0x7f7b961b, 0xf481280e, 0x7f7b057e, 0xf47ae613,
+    0x7f7a7494, 0xf474a41f,
+  0x7f79e35a, 0xf46e6231, 0x7f7951d2, 0xf468204b, 0x7f78bffb, 0xf461de6d,
+    0x7f782dd6, 0xf45b9c95,
+  0x7f779b62, 0xf4555ac5, 0x7f77089f, 0xf44f18fb, 0x7f76758e, 0xf448d739,
+    0x7f75e22e, 0xf442957e,
+  0x7f754e80, 0xf43c53cb, 0x7f74ba83, 0xf436121e, 0x7f742637, 0xf42fd079,
+    0x7f73919d, 0xf4298edc,
+  0x7f72fcb4, 0xf4234d45, 0x7f72677c, 0xf41d0bb6, 0x7f71d1f6, 0xf416ca2e,
+    0x7f713c21, 0xf41088ae,
+  0x7f70a5fe, 0xf40a4735, 0x7f700f8c, 0xf40405c3, 0x7f6f78cb, 0xf3fdc459,
+    0x7f6ee1bc, 0xf3f782f6,
+  0x7f6e4a5e, 0xf3f1419a, 0x7f6db2b1, 0xf3eb0046, 0x7f6d1ab6, 0xf3e4bef9,
+    0x7f6c826d, 0xf3de7db4,
+  0x7f6be9d4, 0xf3d83c77, 0x7f6b50ed, 0xf3d1fb40, 0x7f6ab7b8, 0xf3cbba12,
+    0x7f6a1e34, 0xf3c578eb,
+  0x7f698461, 0xf3bf37cb, 0x7f68ea40, 0xf3b8f6b3, 0x7f684fd0, 0xf3b2b5a3,
+    0x7f67b512, 0xf3ac749a,
+  0x7f671a05, 0xf3a63398, 0x7f667ea9, 0xf39ff29f, 0x7f65e2ff, 0xf399b1ad,
+    0x7f654706, 0xf39370c2,
+  0x7f64aabf, 0xf38d2fe0, 0x7f640e29, 0xf386ef05, 0x7f637144, 0xf380ae31,
+    0x7f62d411, 0xf37a6d66,
+  0x7f62368f, 0xf3742ca2, 0x7f6198bf, 0xf36debe6, 0x7f60faa0, 0xf367ab31,
+    0x7f605c33, 0xf3616a85,
+  0x7f5fbd77, 0xf35b29e0, 0x7f5f1e6c, 0xf354e943, 0x7f5e7f13, 0xf34ea8ae,
+    0x7f5ddf6b, 0xf3486820,
+  0x7f5d3f75, 0xf342279b, 0x7f5c9f30, 0xf33be71d, 0x7f5bfe9d, 0xf335a6a7,
+    0x7f5b5dbb, 0xf32f6639,
+  0x7f5abc8a, 0xf32925d3, 0x7f5a1b0b, 0xf322e575, 0x7f59793e, 0xf31ca51f,
+    0x7f58d721, 0xf31664d1,
+  0x7f5834b7, 0xf310248a, 0x7f5791fd, 0xf309e44c, 0x7f56eef5, 0xf303a416,
+    0x7f564b9f, 0xf2fd63e8,
+  0x7f55a7fa, 0xf2f723c1, 0x7f550407, 0xf2f0e3a3, 0x7f545fc5, 0xf2eaa38d,
+    0x7f53bb34, 0xf2e4637f,
+  0x7f531655, 0xf2de2379, 0x7f527127, 0xf2d7e37b, 0x7f51cbab, 0xf2d1a385,
+    0x7f5125e0, 0xf2cb6398,
+  0x7f507fc7, 0xf2c523b2, 0x7f4fd95f, 0xf2bee3d5, 0x7f4f32a9, 0xf2b8a400,
+    0x7f4e8ba4, 0xf2b26433,
+  0x7f4de451, 0xf2ac246e, 0x7f4d3caf, 0xf2a5e4b1, 0x7f4c94be, 0xf29fa4fd,
+    0x7f4bec7f, 0xf2996551,
+  0x7f4b43f2, 0xf29325ad, 0x7f4a9b16, 0xf28ce612, 0x7f49f1eb, 0xf286a67e,
+    0x7f494872, 0xf28066f4,
+  0x7f489eaa, 0xf27a2771, 0x7f47f494, 0xf273e7f7, 0x7f474a30, 0xf26da885,
+    0x7f469f7d, 0xf267691b,
+  0x7f45f47b, 0xf26129ba, 0x7f45492b, 0xf25aea61, 0x7f449d8c, 0xf254ab11,
+    0x7f43f19f, 0xf24e6bc9,
+  0x7f434563, 0xf2482c8a, 0x7f4298d9, 0xf241ed53, 0x7f41ec01, 0xf23bae24,
+    0x7f413ed9, 0xf2356efe,
+  0x7f409164, 0xf22f2fe1, 0x7f3fe3a0, 0xf228f0cc, 0x7f3f358d, 0xf222b1c0,
+    0x7f3e872c, 0xf21c72bc,
+  0x7f3dd87c, 0xf21633c0, 0x7f3d297e, 0xf20ff4ce, 0x7f3c7a31, 0xf209b5e4,
+    0x7f3bca96, 0xf2037702,
+  0x7f3b1aad, 0xf1fd3829, 0x7f3a6a75, 0xf1f6f959, 0x7f39b9ee, 0xf1f0ba91,
+    0x7f390919, 0xf1ea7bd2,
+  0x7f3857f6, 0xf1e43d1c, 0x7f37a684, 0xf1ddfe6f, 0x7f36f4c3, 0xf1d7bfca,
+    0x7f3642b4, 0xf1d1812e,
+  0x7f359057, 0xf1cb429a, 0x7f34ddab, 0xf1c50410, 0x7f342ab1, 0xf1bec58e,
+    0x7f337768, 0xf1b88715,
+  0x7f32c3d1, 0xf1b248a5, 0x7f320feb, 0xf1ac0a3e, 0x7f315bb7, 0xf1a5cbdf,
+    0x7f30a734, 0xf19f8d89,
+  0x7f2ff263, 0xf1994f3d, 0x7f2f3d44, 0xf19310f9, 0x7f2e87d6, 0xf18cd2be,
+    0x7f2dd219, 0xf186948c,
+  0x7f2d1c0e, 0xf1805662, 0x7f2c65b5, 0xf17a1842, 0x7f2baf0d, 0xf173da2b,
+    0x7f2af817, 0xf16d9c1d,
+  0x7f2a40d2, 0xf1675e17, 0x7f29893f, 0xf161201b, 0x7f28d15d, 0xf15ae228,
+    0x7f28192d, 0xf154a43d,
+  0x7f2760af, 0xf14e665c, 0x7f26a7e2, 0xf1482884, 0x7f25eec7, 0xf141eab5,
+    0x7f25355d, 0xf13bacef,
+  0x7f247ba5, 0xf1356f32, 0x7f23c19e, 0xf12f317e, 0x7f230749, 0xf128f3d4,
+    0x7f224ca6, 0xf122b632,
+  0x7f2191b4, 0xf11c789a, 0x7f20d674, 0xf1163b0b, 0x7f201ae5, 0xf10ffd85,
+    0x7f1f5f08, 0xf109c009,
+  0x7f1ea2dc, 0xf1038295, 0x7f1de662, 0xf0fd452b, 0x7f1d299a, 0xf0f707ca,
+    0x7f1c6c83, 0xf0f0ca72,
+  0x7f1baf1e, 0xf0ea8d24, 0x7f1af16a, 0xf0e44fdf, 0x7f1a3368, 0xf0de12a3,
+    0x7f197518, 0xf0d7d571,
+  0x7f18b679, 0xf0d19848, 0x7f17f78c, 0xf0cb5b28, 0x7f173850, 0xf0c51e12,
+    0x7f1678c6, 0xf0bee105,
+  0x7f15b8ee, 0xf0b8a401, 0x7f14f8c7, 0xf0b26707, 0x7f143852, 0xf0ac2a16,
+    0x7f13778e, 0xf0a5ed2f,
+  0x7f12b67c, 0xf09fb051, 0x7f11f51c, 0xf099737d, 0x7f11336d, 0xf09336b2,
+    0x7f107170, 0xf08cf9f1,
+  0x7f0faf25, 0xf086bd39, 0x7f0eec8b, 0xf080808b, 0x7f0e29a3, 0xf07a43e7,
+    0x7f0d666c, 0xf074074c,
+  0x7f0ca2e7, 0xf06dcaba, 0x7f0bdf14, 0xf0678e32, 0x7f0b1af2, 0xf06151b4,
+    0x7f0a5682, 0xf05b1540,
+  0x7f0991c4, 0xf054d8d5, 0x7f08ccb7, 0xf04e9c73, 0x7f08075c, 0xf048601c,
+    0x7f0741b2, 0xf04223ce,
+  0x7f067bba, 0xf03be78a, 0x7f05b574, 0xf035ab4f, 0x7f04eedf, 0xf02f6f1f,
+    0x7f0427fc, 0xf02932f8,
+  0x7f0360cb, 0xf022f6da, 0x7f02994b, 0xf01cbac7, 0x7f01d17d, 0xf0167ebd,
+    0x7f010961, 0xf01042be,
+  0x7f0040f6, 0xf00a06c8, 0x7eff783d, 0xf003cadc, 0x7efeaf36, 0xeffd8ef9,
+    0x7efde5e0, 0xeff75321,
+  0x7efd1c3c, 0xeff11753, 0x7efc524a, 0xefeadb8e, 0x7efb8809, 0xefe49fd3,
+    0x7efabd7a, 0xefde6423,
+  0x7ef9f29d, 0xefd8287c, 0x7ef92771, 0xefd1ecdf, 0x7ef85bf7, 0xefcbb14c,
+    0x7ef7902f, 0xefc575c3,
+  0x7ef6c418, 0xefbf3a45, 0x7ef5f7b3, 0xefb8fed0, 0x7ef52b00, 0xefb2c365,
+    0x7ef45dfe, 0xefac8804,
+  0x7ef390ae, 0xefa64cae, 0x7ef2c310, 0xefa01161, 0x7ef1f524, 0xef99d61f,
+    0x7ef126e9, 0xef939ae6,
+  0x7ef05860, 0xef8d5fb8, 0x7eef8988, 0xef872494, 0x7eeeba62, 0xef80e97a,
+    0x7eedeaee, 0xef7aae6b,
+  0x7eed1b2c, 0xef747365, 0x7eec4b1b, 0xef6e386a, 0x7eeb7abc, 0xef67fd79,
+    0x7eeaaa0f, 0xef61c292,
+  0x7ee9d914, 0xef5b87b5, 0x7ee907ca, 0xef554ce3, 0x7ee83632, 0xef4f121b,
+    0x7ee7644c, 0xef48d75d,
+  0x7ee69217, 0xef429caa, 0x7ee5bf94, 0xef3c6201, 0x7ee4ecc3, 0xef362762,
+    0x7ee419a3, 0xef2feccd,
+  0x7ee34636, 0xef29b243, 0x7ee2727a, 0xef2377c4, 0x7ee19e6f, 0xef1d3d4e,
+    0x7ee0ca17, 0xef1702e4,
+  0x7edff570, 0xef10c883, 0x7edf207b, 0xef0a8e2d, 0x7ede4b38, 0xef0453e2,
+    0x7edd75a6, 0xeefe19a1,
+  0x7edc9fc6, 0xeef7df6a, 0x7edbc998, 0xeef1a53e, 0x7edaf31c, 0xeeeb6b1c,
+    0x7eda1c51, 0xeee53105,
+  0x7ed94538, 0xeedef6f9, 0x7ed86dd1, 0xeed8bcf7, 0x7ed7961c, 0xeed28300,
+    0x7ed6be18, 0xeecc4913,
+  0x7ed5e5c6, 0xeec60f31, 0x7ed50d26, 0xeebfd55a, 0x7ed43438, 0xeeb99b8d,
+    0x7ed35afb, 0xeeb361cb,
+  0x7ed28171, 0xeead2813, 0x7ed1a798, 0xeea6ee66, 0x7ed0cd70, 0xeea0b4c4,
+    0x7ecff2fb, 0xee9a7b2d,
+  0x7ecf1837, 0xee9441a0, 0x7ece3d25, 0xee8e081e, 0x7ecd61c5, 0xee87cea7,
+    0x7ecc8617, 0xee81953b,
+  0x7ecbaa1a, 0xee7b5bd9, 0x7ecacdd0, 0xee752283, 0x7ec9f137, 0xee6ee937,
+    0x7ec9144f, 0xee68aff6,
+  0x7ec8371a, 0xee6276bf, 0x7ec75996, 0xee5c3d94, 0x7ec67bc5, 0xee560473,
+    0x7ec59da5, 0xee4fcb5e,
+  0x7ec4bf36, 0xee499253, 0x7ec3e07a, 0xee435953, 0x7ec3016f, 0xee3d205e,
+    0x7ec22217, 0xee36e775,
+  0x7ec14270, 0xee30ae96, 0x7ec0627a, 0xee2a75c2, 0x7ebf8237, 0xee243cf9,
+    0x7ebea1a6, 0xee1e043b,
+  0x7ebdc0c6, 0xee17cb88, 0x7ebcdf98, 0xee1192e0, 0x7ebbfe1c, 0xee0b5a43,
+    0x7ebb1c52, 0xee0521b2,
+  0x7eba3a39, 0xedfee92b, 0x7eb957d2, 0xedf8b0b0, 0x7eb8751e, 0xedf2783f,
+    0x7eb7921b, 0xedec3fda,
+  0x7eb6aeca, 0xede60780, 0x7eb5cb2a, 0xeddfcf31, 0x7eb4e73d, 0xedd996ed,
+    0x7eb40301, 0xedd35eb5,
+  0x7eb31e78, 0xedcd2687, 0x7eb239a0, 0xedc6ee65, 0x7eb1547a, 0xedc0b64e,
+    0x7eb06f05, 0xedba7e43,
+  0x7eaf8943, 0xedb44642, 0x7eaea333, 0xedae0e4d, 0x7eadbcd4, 0xeda7d664,
+    0x7eacd627, 0xeda19e85,
+  0x7eabef2c, 0xed9b66b2, 0x7eab07e3, 0xed952eea, 0x7eaa204c, 0xed8ef72e,
+    0x7ea93867, 0xed88bf7d,
+  0x7ea85033, 0xed8287d7, 0x7ea767b2, 0xed7c503d, 0x7ea67ee2, 0xed7618ae,
+    0x7ea595c4, 0xed6fe12b,
+  0x7ea4ac58, 0xed69a9b3, 0x7ea3c29e, 0xed637246, 0x7ea2d896, 0xed5d3ae5,
+    0x7ea1ee3f, 0xed570390,
+  0x7ea1039b, 0xed50cc46, 0x7ea018a8, 0xed4a9507, 0x7e9f2d68, 0xed445dd5,
+    0x7e9e41d9, 0xed3e26ad,
+  0x7e9d55fc, 0xed37ef91, 0x7e9c69d1, 0xed31b881, 0x7e9b7d58, 0xed2b817d,
+    0x7e9a9091, 0xed254a84,
+  0x7e99a37c, 0xed1f1396, 0x7e98b618, 0xed18dcb5, 0x7e97c867, 0xed12a5df,
+    0x7e96da67, 0xed0c6f14,
+  0x7e95ec1a, 0xed063856, 0x7e94fd7e, 0xed0001a3, 0x7e940e94, 0xecf9cafb,
+    0x7e931f5c, 0xecf39460,
+  0x7e922fd6, 0xeced5dd0, 0x7e914002, 0xece7274c, 0x7e904fe0, 0xece0f0d4,
+    0x7e8f5f70, 0xecdaba67,
+  0x7e8e6eb2, 0xecd48407, 0x7e8d7da6, 0xecce4db2, 0x7e8c8c4b, 0xecc81769,
+    0x7e8b9aa3, 0xecc1e12c,
+  0x7e8aa8ac, 0xecbbaafb, 0x7e89b668, 0xecb574d5, 0x7e88c3d5, 0xecaf3ebc,
+    0x7e87d0f5, 0xeca908ae,
+  0x7e86ddc6, 0xeca2d2ad, 0x7e85ea49, 0xec9c9cb7, 0x7e84f67e, 0xec9666cd,
+    0x7e840265, 0xec9030f0,
+  0x7e830dff, 0xec89fb1e, 0x7e82194a, 0xec83c558, 0x7e812447, 0xec7d8f9e,
+    0x7e802ef6, 0xec7759f1,
+  0x7e7f3957, 0xec71244f, 0x7e7e436a, 0xec6aeeba, 0x7e7d4d2f, 0xec64b930,
+    0x7e7c56a5, 0xec5e83b3,
+  0x7e7b5fce, 0xec584e41, 0x7e7a68a9, 0xec5218dc, 0x7e797136, 0xec4be383,
+    0x7e787975, 0xec45ae36,
+  0x7e778166, 0xec3f78f6, 0x7e768908, 0xec3943c1, 0x7e75905d, 0xec330e99,
+    0x7e749764, 0xec2cd97d,
+  0x7e739e1d, 0xec26a46d, 0x7e72a488, 0xec206f69, 0x7e71aaa4, 0xec1a3a72,
+    0x7e70b073, 0xec140587,
+  0x7e6fb5f4, 0xec0dd0a8, 0x7e6ebb27, 0xec079bd6, 0x7e6dc00c, 0xec01670f,
+    0x7e6cc4a2, 0xebfb3256,
+  0x7e6bc8eb, 0xebf4fda8, 0x7e6acce6, 0xebeec907, 0x7e69d093, 0xebe89472,
+    0x7e68d3f2, 0xebe25fea,
+  0x7e67d703, 0xebdc2b6e, 0x7e66d9c6, 0xebd5f6fe, 0x7e65dc3b, 0xebcfc29b,
+    0x7e64de62, 0xebc98e45,
+  0x7e63e03b, 0xebc359fb, 0x7e62e1c6, 0xebbd25bd, 0x7e61e303, 0xebb6f18c,
+    0x7e60e3f2, 0xebb0bd67,
+  0x7e5fe493, 0xebaa894f, 0x7e5ee4e6, 0xeba45543, 0x7e5de4ec, 0xeb9e2144,
+    0x7e5ce4a3, 0xeb97ed52,
+  0x7e5be40c, 0xeb91b96c, 0x7e5ae328, 0xeb8b8593, 0x7e59e1f5, 0xeb8551c6,
+    0x7e58e075, 0xeb7f1e06,
+  0x7e57dea7, 0xeb78ea52, 0x7e56dc8a, 0xeb72b6ac, 0x7e55da20, 0xeb6c8312,
+    0x7e54d768, 0xeb664f84,
+  0x7e53d462, 0xeb601c04, 0x7e52d10e, 0xeb59e890, 0x7e51cd6c, 0xeb53b529,
+    0x7e50c97c, 0xeb4d81ce,
+  0x7e4fc53e, 0xeb474e81, 0x7e4ec0b2, 0xeb411b40, 0x7e4dbbd9, 0xeb3ae80c,
+    0x7e4cb6b1, 0xeb34b4e4,
+  0x7e4bb13c, 0xeb2e81ca, 0x7e4aab78, 0xeb284ebc, 0x7e49a567, 0xeb221bbb,
+    0x7e489f08, 0xeb1be8c8,
+  0x7e47985b, 0xeb15b5e1, 0x7e469160, 0xeb0f8307, 0x7e458a17, 0xeb095039,
+    0x7e448281, 0xeb031d79,
+  0x7e437a9c, 0xeafceac6, 0x7e427269, 0xeaf6b81f, 0x7e4169e9, 0xeaf08586,
+    0x7e40611b, 0xeaea52fa,
+  0x7e3f57ff, 0xeae4207a, 0x7e3e4e95, 0xeaddee08, 0x7e3d44dd, 0xead7bba3,
+    0x7e3c3ad7, 0xead1894b,
+  0x7e3b3083, 0xeacb56ff, 0x7e3a25e2, 0xeac524c1, 0x7e391af3, 0xeabef290,
+    0x7e380fb5, 0xeab8c06c,
+  0x7e37042a, 0xeab28e56, 0x7e35f851, 0xeaac5c4c, 0x7e34ec2b, 0xeaa62a4f,
+    0x7e33dfb6, 0xea9ff860,
+  0x7e32d2f4, 0xea99c67e, 0x7e31c5e3, 0xea9394a9, 0x7e30b885, 0xea8d62e1,
+    0x7e2faad9, 0xea873127,
+  0x7e2e9cdf, 0xea80ff7a, 0x7e2d8e97, 0xea7acdda, 0x7e2c8002, 0xea749c47,
+    0x7e2b711f, 0xea6e6ac2,
+  0x7e2a61ed, 0xea683949, 0x7e29526e, 0xea6207df, 0x7e2842a2, 0xea5bd681,
+    0x7e273287, 0xea55a531,
+  0x7e26221f, 0xea4f73ee, 0x7e251168, 0xea4942b9, 0x7e240064, 0xea431191,
+    0x7e22ef12, 0xea3ce077,
+  0x7e21dd73, 0xea36af69, 0x7e20cb85, 0xea307e6a, 0x7e1fb94a, 0xea2a4d78,
+    0x7e1ea6c1, 0xea241c93,
+  0x7e1d93ea, 0xea1debbb, 0x7e1c80c5, 0xea17baf2, 0x7e1b6d53, 0xea118a35,
+    0x7e1a5992, 0xea0b5987,
+  0x7e194584, 0xea0528e5, 0x7e183128, 0xe9fef852, 0x7e171c7f, 0xe9f8c7cc,
+    0x7e160787, 0xe9f29753,
+  0x7e14f242, 0xe9ec66e8, 0x7e13dcaf, 0xe9e6368b, 0x7e12c6ce, 0xe9e0063c,
+    0x7e11b0a0, 0xe9d9d5fa,
+  0x7e109a24, 0xe9d3a5c5, 0x7e0f835a, 0xe9cd759f, 0x7e0e6c42, 0xe9c74586,
+    0x7e0d54dc, 0xe9c1157a,
+  0x7e0c3d29, 0xe9bae57d, 0x7e0b2528, 0xe9b4b58d, 0x7e0a0cd9, 0xe9ae85ab,
+    0x7e08f43d, 0xe9a855d7,
+  0x7e07db52, 0xe9a22610, 0x7e06c21a, 0xe99bf658, 0x7e05a894, 0xe995c6ad,
+    0x7e048ec1, 0xe98f9710,
+  0x7e0374a0, 0xe9896781, 0x7e025a31, 0xe98337ff, 0x7e013f74, 0xe97d088c,
+    0x7e00246a, 0xe976d926,
+  0x7dff0911, 0xe970a9ce, 0x7dfded6c, 0xe96a7a85, 0x7dfcd178, 0xe9644b49,
+    0x7dfbb537, 0xe95e1c1b,
+  0x7dfa98a8, 0xe957ecfb, 0x7df97bcb, 0xe951bde9, 0x7df85ea0, 0xe94b8ee5,
+    0x7df74128, 0xe9455fef,
+  0x7df62362, 0xe93f3107, 0x7df5054f, 0xe939022d, 0x7df3e6ee, 0xe932d361,
+    0x7df2c83f, 0xe92ca4a4,
+  0x7df1a942, 0xe92675f4, 0x7df089f8, 0xe9204752, 0x7def6a60, 0xe91a18bf,
+    0x7dee4a7a, 0xe913ea39,
+  0x7ded2a47, 0xe90dbbc2, 0x7dec09c6, 0xe9078d59, 0x7deae8f7, 0xe9015efe,
+    0x7de9c7da, 0xe8fb30b1,
+  0x7de8a670, 0xe8f50273, 0x7de784b9, 0xe8eed443, 0x7de662b3, 0xe8e8a621,
+    0x7de54060, 0xe8e2780d,
+  0x7de41dc0, 0xe8dc4a07, 0x7de2fad1, 0xe8d61c10, 0x7de1d795, 0xe8cfee27,
+    0x7de0b40b, 0xe8c9c04c,
+  0x7ddf9034, 0xe8c39280, 0x7dde6c0f, 0xe8bd64c2, 0x7ddd479d, 0xe8b73712,
+    0x7ddc22dc, 0xe8b10971,
+  0x7ddafdce, 0xe8aadbde, 0x7dd9d873, 0xe8a4ae59, 0x7dd8b2ca, 0xe89e80e3,
+    0x7dd78cd3, 0xe898537b,
+  0x7dd6668f, 0xe8922622, 0x7dd53ffc, 0xe88bf8d7, 0x7dd4191d, 0xe885cb9a,
+    0x7dd2f1f0, 0xe87f9e6c,
+  0x7dd1ca75, 0xe879714d, 0x7dd0a2ac, 0xe873443c, 0x7dcf7a96, 0xe86d173a,
+    0x7dce5232, 0xe866ea46,
+  0x7dcd2981, 0xe860bd61, 0x7dcc0082, 0xe85a908a, 0x7dcad736, 0xe85463c2,
+    0x7dc9ad9c, 0xe84e3708,
+  0x7dc883b4, 0xe8480a5d, 0x7dc7597f, 0xe841ddc1, 0x7dc62efc, 0xe83bb133,
+    0x7dc5042b, 0xe83584b4,
+  0x7dc3d90d, 0xe82f5844, 0x7dc2ada2, 0xe8292be3, 0x7dc181e8, 0xe822ff90,
+    0x7dc055e2, 0xe81cd34b,
+  0x7dbf298d, 0xe816a716, 0x7dbdfceb, 0xe8107aef, 0x7dbccffc, 0xe80a4ed7,
+    0x7dbba2bf, 0xe80422ce,
+  0x7dba7534, 0xe7fdf6d4, 0x7db9475c, 0xe7f7cae8, 0x7db81936, 0xe7f19f0c,
+    0x7db6eac3, 0xe7eb733e,
+  0x7db5bc02, 0xe7e5477f, 0x7db48cf4, 0xe7df1bcf, 0x7db35d98, 0xe7d8f02d,
+    0x7db22def, 0xe7d2c49b,
+  0x7db0fdf8, 0xe7cc9917, 0x7dafcdb3, 0xe7c66da3, 0x7dae9d21, 0xe7c0423d,
+    0x7dad6c42, 0xe7ba16e7,
+  0x7dac3b15, 0xe7b3eb9f, 0x7dab099a, 0xe7adc066, 0x7da9d7d2, 0xe7a7953d,
+    0x7da8a5bc, 0xe7a16a22,
+  0x7da77359, 0xe79b3f16, 0x7da640a9, 0xe795141a, 0x7da50dab, 0xe78ee92c,
+    0x7da3da5f, 0xe788be4e,
+  0x7da2a6c6, 0xe782937e, 0x7da172df, 0xe77c68be, 0x7da03eab, 0xe7763e0d,
+    0x7d9f0a29, 0xe770136b,
+  0x7d9dd55a, 0xe769e8d8, 0x7d9ca03e, 0xe763be55, 0x7d9b6ad3, 0xe75d93e0,
+    0x7d9a351c, 0xe757697b,
+  0x7d98ff17, 0xe7513f25, 0x7d97c8c4, 0xe74b14de, 0x7d969224, 0xe744eaa6,
+    0x7d955b37, 0xe73ec07e,
+  0x7d9423fc, 0xe7389665, 0x7d92ec73, 0xe7326c5b, 0x7d91b49e, 0xe72c4260,
+    0x7d907c7a, 0xe7261875,
+  0x7d8f4409, 0xe71fee99, 0x7d8e0b4b, 0xe719c4cd, 0x7d8cd240, 0xe7139b10,
+    0x7d8b98e6, 0xe70d7162,
+  0x7d8a5f40, 0xe70747c4, 0x7d89254c, 0xe7011e35, 0x7d87eb0a, 0xe6faf4b5,
+    0x7d86b07c, 0xe6f4cb45,
+  0x7d85759f, 0xe6eea1e4, 0x7d843a76, 0xe6e87893, 0x7d82fefe, 0xe6e24f51,
+    0x7d81c33a, 0xe6dc261f,
+  0x7d808728, 0xe6d5fcfc, 0x7d7f4ac8, 0xe6cfd3e9, 0x7d7e0e1c, 0xe6c9aae5,
+    0x7d7cd121, 0xe6c381f1,
+  0x7d7b93da, 0xe6bd590d, 0x7d7a5645, 0xe6b73038, 0x7d791862, 0xe6b10772,
+    0x7d77da32, 0xe6aadebc,
+  0x7d769bb5, 0xe6a4b616, 0x7d755cea, 0xe69e8d80, 0x7d741dd2, 0xe69864f9,
+    0x7d72de6d, 0xe6923c82,
+  0x7d719eba, 0xe68c141a, 0x7d705eba, 0xe685ebc2, 0x7d6f1e6c, 0xe67fc37a,
+    0x7d6dddd2, 0xe6799b42,
+  0x7d6c9ce9, 0xe6737319, 0x7d6b5bb4, 0xe66d4b01, 0x7d6a1a31, 0xe66722f7,
+    0x7d68d860, 0xe660fafe,
+  0x7d679642, 0xe65ad315, 0x7d6653d7, 0xe654ab3b, 0x7d65111f, 0xe64e8371,
+    0x7d63ce19, 0xe6485bb7,
+  0x7d628ac6, 0xe642340d, 0x7d614725, 0xe63c0c73, 0x7d600338, 0xe635e4e9,
+    0x7d5ebefc, 0xe62fbd6e,
+  0x7d5d7a74, 0xe6299604, 0x7d5c359e, 0xe6236ea9, 0x7d5af07b, 0xe61d475e,
+    0x7d59ab0a, 0xe6172024,
+  0x7d58654d, 0xe610f8f9, 0x7d571f41, 0xe60ad1de, 0x7d55d8e9, 0xe604aad4,
+    0x7d549243, 0xe5fe83d9,
+  0x7d534b50, 0xe5f85cef, 0x7d520410, 0xe5f23614, 0x7d50bc82, 0xe5ec0f4a,
+    0x7d4f74a7, 0xe5e5e88f,
+  0x7d4e2c7f, 0xe5dfc1e5, 0x7d4ce409, 0xe5d99b4b, 0x7d4b9b46, 0xe5d374c1,
+    0x7d4a5236, 0xe5cd4e47,
+  0x7d4908d9, 0xe5c727dd, 0x7d47bf2e, 0xe5c10184, 0x7d467536, 0xe5badb3a,
+    0x7d452af1, 0xe5b4b501,
+  0x7d43e05e, 0xe5ae8ed8, 0x7d42957e, 0xe5a868bf, 0x7d414a51, 0xe5a242b7,
+    0x7d3ffed7, 0xe59c1cbf,
+  0x7d3eb30f, 0xe595f6d7, 0x7d3d66fa, 0xe58fd0ff, 0x7d3c1a98, 0xe589ab38,
+    0x7d3acde9, 0xe5838581,
+  0x7d3980ec, 0xe57d5fda, 0x7d3833a2, 0xe5773a44, 0x7d36e60b, 0xe57114be,
+    0x7d359827, 0xe56aef49,
+  0x7d3449f5, 0xe564c9e3, 0x7d32fb76, 0xe55ea48f, 0x7d31acaa, 0xe5587f4a,
+    0x7d305d91, 0xe5525a17,
+  0x7d2f0e2b, 0xe54c34f3, 0x7d2dbe77, 0xe5460fe0, 0x7d2c6e76, 0xe53feade,
+    0x7d2b1e28, 0xe539c5ec,
+  0x7d29cd8c, 0xe533a10a, 0x7d287ca4, 0xe52d7c39, 0x7d272b6e, 0xe5275779,
+    0x7d25d9eb, 0xe52132c9,
+  0x7d24881b, 0xe51b0e2a, 0x7d2335fe, 0xe514e99b, 0x7d21e393, 0xe50ec51d,
+    0x7d2090db, 0xe508a0b0,
+  0x7d1f3dd6, 0xe5027c53, 0x7d1dea84, 0xe4fc5807, 0x7d1c96e5, 0xe4f633cc,
+    0x7d1b42f9, 0xe4f00fa1,
+  0x7d19eebf, 0xe4e9eb87, 0x7d189a38, 0xe4e3c77d, 0x7d174564, 0xe4dda385,
+    0x7d15f043, 0xe4d77f9d,
+  0x7d149ad5, 0xe4d15bc6, 0x7d134519, 0xe4cb37ff, 0x7d11ef11, 0xe4c5144a,
+    0x7d1098bb, 0xe4bef0a5,
+  0x7d0f4218, 0xe4b8cd11, 0x7d0deb28, 0xe4b2a98e, 0x7d0c93eb, 0xe4ac861b,
+    0x7d0b3c60, 0xe4a662ba,
+  0x7d09e489, 0xe4a03f69, 0x7d088c64, 0xe49a1c29, 0x7d0733f3, 0xe493f8fb,
+    0x7d05db34, 0xe48dd5dd,
+  0x7d048228, 0xe487b2d0, 0x7d0328cf, 0xe4818fd4, 0x7d01cf29, 0xe47b6ce9,
+    0x7d007535, 0xe4754a0e,
+  0x7cff1af5, 0xe46f2745, 0x7cfdc068, 0xe469048d, 0x7cfc658d, 0xe462e1e6,
+    0x7cfb0a65, 0xe45cbf50,
+  0x7cf9aef0, 0xe4569ccb, 0x7cf8532f, 0xe4507a57, 0x7cf6f720, 0xe44a57f4,
+    0x7cf59ac4, 0xe44435a2,
+  0x7cf43e1a, 0xe43e1362, 0x7cf2e124, 0xe437f132, 0x7cf183e1, 0xe431cf14,
+    0x7cf02651, 0xe42bad07,
+  0x7ceec873, 0xe4258b0a, 0x7ced6a49, 0xe41f6920, 0x7cec0bd1, 0xe4194746,
+    0x7ceaad0c, 0xe413257d,
+  0x7ce94dfb, 0xe40d03c6, 0x7ce7ee9c, 0xe406e220, 0x7ce68ef0, 0xe400c08b,
+    0x7ce52ef7, 0xe3fa9f08,
+  0x7ce3ceb2, 0xe3f47d96, 0x7ce26e1f, 0xe3ee5c35, 0x7ce10d3f, 0xe3e83ae5,
+    0x7cdfac12, 0xe3e219a7,
+  0x7cde4a98, 0xe3dbf87a, 0x7cdce8d1, 0xe3d5d75e, 0x7cdb86bd, 0xe3cfb654,
+    0x7cda245c, 0xe3c9955b,
+  0x7cd8c1ae, 0xe3c37474, 0x7cd75eb3, 0xe3bd539e, 0x7cd5fb6a, 0xe3b732d9,
+    0x7cd497d5, 0xe3b11226,
+  0x7cd333f3, 0xe3aaf184, 0x7cd1cfc4, 0xe3a4d0f4, 0x7cd06b48, 0xe39eb075,
+    0x7ccf067f, 0xe3989008,
+  0x7ccda169, 0xe3926fad, 0x7ccc3c06, 0xe38c4f63, 0x7ccad656, 0xe3862f2a,
+    0x7cc97059, 0xe3800f03,
+  0x7cc80a0f, 0xe379eeed, 0x7cc6a378, 0xe373ceea, 0x7cc53c94, 0xe36daef7,
+    0x7cc3d563, 0xe3678f17,
+  0x7cc26de5, 0xe3616f48, 0x7cc1061a, 0xe35b4f8b, 0x7cbf9e03, 0xe3552fdf,
+    0x7cbe359e, 0xe34f1045,
+  0x7cbcccec, 0xe348f0bd, 0x7cbb63ee, 0xe342d146, 0x7cb9faa2, 0xe33cb1e1,
+    0x7cb8910a, 0xe336928e,
+  0x7cb72724, 0xe330734d, 0x7cb5bcf2, 0xe32a541d, 0x7cb45272, 0xe3243500,
+    0x7cb2e7a6, 0xe31e15f4,
+  0x7cb17c8d, 0xe317f6fa, 0x7cb01127, 0xe311d811, 0x7caea574, 0xe30bb93b,
+    0x7cad3974, 0xe3059a76,
+  0x7cabcd28, 0xe2ff7bc3, 0x7caa608e, 0xe2f95d23, 0x7ca8f3a7, 0xe2f33e94,
+    0x7ca78674, 0xe2ed2017,
+  0x7ca618f3, 0xe2e701ac, 0x7ca4ab26, 0xe2e0e352, 0x7ca33d0c, 0xe2dac50b,
+    0x7ca1cea5, 0xe2d4a6d6,
+  0x7ca05ff1, 0xe2ce88b3, 0x7c9ef0f0, 0xe2c86aa2, 0x7c9d81a3, 0xe2c24ca2,
+    0x7c9c1208, 0xe2bc2eb5,
+  0x7c9aa221, 0xe2b610da, 0x7c9931ec, 0xe2aff311, 0x7c97c16b, 0xe2a9d55a,
+    0x7c96509d, 0xe2a3b7b5,
+  0x7c94df83, 0xe29d9a23, 0x7c936e1b, 0xe2977ca2, 0x7c91fc66, 0xe2915f34,
+    0x7c908a65, 0xe28b41d7,
+  0x7c8f1817, 0xe285248d, 0x7c8da57c, 0xe27f0755, 0x7c8c3294, 0xe278ea30,
+    0x7c8abf5f, 0xe272cd1c,
+  0x7c894bde, 0xe26cb01b, 0x7c87d810, 0xe266932c, 0x7c8663f4, 0xe260764f,
+    0x7c84ef8c, 0xe25a5984,
+  0x7c837ad8, 0xe2543ccc, 0x7c8205d6, 0xe24e2026, 0x7c809088, 0xe2480393,
+    0x7c7f1aed, 0xe241e711,
+  0x7c7da505, 0xe23bcaa2, 0x7c7c2ed0, 0xe235ae46, 0x7c7ab84e, 0xe22f91fc,
+    0x7c794180, 0xe22975c4,
+  0x7c77ca65, 0xe223599e, 0x7c7652fd, 0xe21d3d8b, 0x7c74db48, 0xe217218b,
+    0x7c736347, 0xe211059d,
+  0x7c71eaf9, 0xe20ae9c1, 0x7c70725e, 0xe204cdf8, 0x7c6ef976, 0xe1feb241,
+    0x7c6d8041, 0xe1f8969d,
+  0x7c6c06c0, 0xe1f27b0b, 0x7c6a8cf2, 0xe1ec5f8c, 0x7c6912d7, 0xe1e64420,
+    0x7c679870, 0xe1e028c6,
+  0x7c661dbc, 0xe1da0d7e, 0x7c64a2bb, 0xe1d3f24a, 0x7c63276d, 0xe1cdd727,
+    0x7c61abd3, 0xe1c7bc18,
+  0x7c602fec, 0xe1c1a11b, 0x7c5eb3b8, 0xe1bb8631, 0x7c5d3737, 0xe1b56b59,
+    0x7c5bba6a, 0xe1af5094,
+  0x7c5a3d50, 0xe1a935e2, 0x7c58bfe9, 0xe1a31b42, 0x7c574236, 0xe19d00b6,
+    0x7c55c436, 0xe196e63c,
+  0x7c5445e9, 0xe190cbd4, 0x7c52c74f, 0xe18ab180, 0x7c514869, 0xe184973e,
+    0x7c4fc936, 0xe17e7d0f,
+  0x7c4e49b7, 0xe17862f3, 0x7c4cc9ea, 0xe17248ea, 0x7c4b49d2, 0xe16c2ef4,
+    0x7c49c96c, 0xe1661510,
+  0x7c4848ba, 0xe15ffb3f, 0x7c46c7bb, 0xe159e182, 0x7c45466f, 0xe153c7d7,
+    0x7c43c4d7, 0xe14dae3f,
+  0x7c4242f2, 0xe14794ba, 0x7c40c0c1, 0xe1417b48, 0x7c3f3e42, 0xe13b61e9,
+    0x7c3dbb78, 0xe135489d,
+  0x7c3c3860, 0xe12f2f63, 0x7c3ab4fc, 0xe129163d, 0x7c39314b, 0xe122fd2a,
+    0x7c37ad4e, 0xe11ce42a,
+  0x7c362904, 0xe116cb3d, 0x7c34a46d, 0xe110b263, 0x7c331f8a, 0xe10a999c,
+    0x7c319a5a, 0xe10480e9,
+  0x7c3014de, 0xe0fe6848, 0x7c2e8f15, 0xe0f84fbb, 0x7c2d08ff, 0xe0f23740,
+    0x7c2b829d, 0xe0ec1ed9,
+  0x7c29fbee, 0xe0e60685, 0x7c2874f3, 0xe0dfee44, 0x7c26edab, 0xe0d9d616,
+    0x7c256616, 0xe0d3bdfc,
+  0x7c23de35, 0xe0cda5f5, 0x7c225607, 0xe0c78e01, 0x7c20cd8d, 0xe0c17620,
+    0x7c1f44c6, 0xe0bb5e53,
+  0x7c1dbbb3, 0xe0b54698, 0x7c1c3253, 0xe0af2ef2, 0x7c1aa8a6, 0xe0a9175e,
+    0x7c191ead, 0xe0a2ffde,
+  0x7c179467, 0xe09ce871, 0x7c1609d5, 0xe096d117, 0x7c147ef6, 0xe090b9d1,
+    0x7c12f3cb, 0xe08aa29f,
+  0x7c116853, 0xe0848b7f, 0x7c0fdc8f, 0xe07e7473, 0x7c0e507e, 0xe0785d7b,
+    0x7c0cc421, 0xe0724696,
+  0x7c0b3777, 0xe06c2fc4, 0x7c09aa80, 0xe0661906, 0x7c081d3d, 0xe060025c,
+    0x7c068fae, 0xe059ebc5,
+  0x7c0501d2, 0xe053d541, 0x7c0373a9, 0xe04dbed1, 0x7c01e534, 0xe047a875,
+    0x7c005673, 0xe041922c,
+  0x7bfec765, 0xe03b7bf6, 0x7bfd380a, 0xe03565d5, 0x7bfba863, 0xe02f4fc6,
+    0x7bfa1870, 0xe02939cc,
+  0x7bf88830, 0xe02323e5, 0x7bf6f7a4, 0xe01d0e12, 0x7bf566cb, 0xe016f852,
+    0x7bf3d5a6, 0xe010e2a7,
+  0x7bf24434, 0xe00acd0e, 0x7bf0b276, 0xe004b78a, 0x7bef206b, 0xdffea219,
+    0x7bed8e14, 0xdff88cbc,
+  0x7bebfb70, 0xdff27773, 0x7bea6880, 0xdfec623e, 0x7be8d544, 0xdfe64d1c,
+    0x7be741bb, 0xdfe0380e,
+  0x7be5ade6, 0xdfda2314, 0x7be419c4, 0xdfd40e2e, 0x7be28556, 0xdfcdf95c,
+    0x7be0f09b, 0xdfc7e49d,
+  0x7bdf5b94, 0xdfc1cff3, 0x7bddc641, 0xdfbbbb5c, 0x7bdc30a1, 0xdfb5a6d9,
+    0x7bda9ab5, 0xdfaf926a,
+  0x7bd9047c, 0xdfa97e0f, 0x7bd76df7, 0xdfa369c8, 0x7bd5d726, 0xdf9d5595,
+    0x7bd44008, 0xdf974176,
+  0x7bd2a89e, 0xdf912d6b, 0x7bd110e8, 0xdf8b1974, 0x7bcf78e5, 0xdf850591,
+    0x7bcde095, 0xdf7ef1c2,
+  0x7bcc47fa, 0xdf78de07, 0x7bcaaf12, 0xdf72ca60, 0x7bc915dd, 0xdf6cb6cd,
+    0x7bc77c5d, 0xdf66a34e,
+  0x7bc5e290, 0xdf608fe4, 0x7bc44876, 0xdf5a7c8d, 0x7bc2ae10, 0xdf54694b,
+    0x7bc1135e, 0xdf4e561c,
+  0x7bbf7860, 0xdf484302, 0x7bbddd15, 0xdf422ffd, 0x7bbc417e, 0xdf3c1d0b,
+    0x7bbaa59a, 0xdf360a2d,
+  0x7bb9096b, 0xdf2ff764, 0x7bb76cef, 0xdf29e4af, 0x7bb5d026, 0xdf23d20e,
+    0x7bb43311, 0xdf1dbf82,
+  0x7bb295b0, 0xdf17ad0a, 0x7bb0f803, 0xdf119aa6, 0x7baf5a09, 0xdf0b8856,
+    0x7badbbc3, 0xdf05761b,
+  0x7bac1d31, 0xdeff63f4, 0x7baa7e53, 0xdef951e2, 0x7ba8df28, 0xdef33fe3,
+    0x7ba73fb1, 0xdeed2dfa,
+  0x7ba59fee, 0xdee71c24, 0x7ba3ffde, 0xdee10a63, 0x7ba25f82, 0xdedaf8b7,
+    0x7ba0beda, 0xded4e71f,
+  0x7b9f1de6, 0xdeced59b, 0x7b9d7ca5, 0xdec8c42c, 0x7b9bdb18, 0xdec2b2d1,
+    0x7b9a393f, 0xdebca18b,
+  0x7b989719, 0xdeb69059, 0x7b96f4a8, 0xdeb07f3c, 0x7b9551ea, 0xdeaa6e34,
+    0x7b93aee0, 0xdea45d40,
+  0x7b920b89, 0xde9e4c60, 0x7b9067e7, 0xde983b95, 0x7b8ec3f8, 0xde922adf,
+    0x7b8d1fbd, 0xde8c1a3e,
+  0x7b8b7b36, 0xde8609b1, 0x7b89d662, 0xde7ff938, 0x7b883143, 0xde79e8d5,
+    0x7b868bd7, 0xde73d886,
+  0x7b84e61f, 0xde6dc84b, 0x7b83401b, 0xde67b826, 0x7b8199ca, 0xde61a815,
+    0x7b7ff32e, 0xde5b9819,
+  0x7b7e4c45, 0xde558831, 0x7b7ca510, 0xde4f785f, 0x7b7afd8f, 0xde4968a1,
+    0x7b7955c2, 0xde4358f8,
+  0x7b77ada8, 0xde3d4964, 0x7b760542, 0xde3739e4, 0x7b745c91, 0xde312a7a,
+    0x7b72b393, 0xde2b1b24,
+  0x7b710a49, 0xde250be3, 0x7b6f60b2, 0xde1efcb7, 0x7b6db6d0, 0xde18eda0,
+    0x7b6c0ca2, 0xde12de9e,
+  0x7b6a6227, 0xde0ccfb1, 0x7b68b760, 0xde06c0d9, 0x7b670c4d, 0xde00b216,
+    0x7b6560ee, 0xddfaa367,
+  0x7b63b543, 0xddf494ce, 0x7b62094c, 0xddee8649, 0x7b605d09, 0xdde877da,
+    0x7b5eb079, 0xdde26980,
+  0x7b5d039e, 0xdddc5b3b, 0x7b5b5676, 0xddd64d0a, 0x7b59a902, 0xddd03eef,
+    0x7b57fb42, 0xddca30e9,
+  0x7b564d36, 0xddc422f8, 0x7b549ede, 0xddbe151d, 0x7b52f03a, 0xddb80756,
+    0x7b51414a, 0xddb1f9a4,
+  0x7b4f920e, 0xddabec08, 0x7b4de286, 0xdda5de81, 0x7b4c32b1, 0xdd9fd10f,
+    0x7b4a8291, 0xdd99c3b2,
+  0x7b48d225, 0xdd93b66a, 0x7b47216c, 0xdd8da938, 0x7b457068, 0xdd879c1b,
+    0x7b43bf17, 0xdd818f13,
+  0x7b420d7a, 0xdd7b8220, 0x7b405b92, 0xdd757543, 0x7b3ea95d, 0xdd6f687b,
+    0x7b3cf6dc, 0xdd695bc9,
+  0x7b3b4410, 0xdd634f2b, 0x7b3990f7, 0xdd5d42a3, 0x7b37dd92, 0xdd573631,
+    0x7b3629e1, 0xdd5129d4,
+  0x7b3475e5, 0xdd4b1d8c, 0x7b32c19c, 0xdd451159, 0x7b310d07, 0xdd3f053c,
+    0x7b2f5826, 0xdd38f935,
+  0x7b2da2fa, 0xdd32ed43, 0x7b2bed81, 0xdd2ce166, 0x7b2a37bc, 0xdd26d59f,
+    0x7b2881ac, 0xdd20c9ed,
+  0x7b26cb4f, 0xdd1abe51, 0x7b2514a6, 0xdd14b2ca, 0x7b235db2, 0xdd0ea759,
+    0x7b21a671, 0xdd089bfe,
+  0x7b1feee5, 0xdd0290b8, 0x7b1e370d, 0xdcfc8588, 0x7b1c7ee8, 0xdcf67a6d,
+    0x7b1ac678, 0xdcf06f68,
+  0x7b190dbc, 0xdcea6478, 0x7b1754b3, 0xdce4599e, 0x7b159b5f, 0xdcde4eda,
+    0x7b13e1bf, 0xdcd8442b,
+  0x7b1227d3, 0xdcd23993, 0x7b106d9b, 0xdccc2f0f, 0x7b0eb318, 0xdcc624a2,
+    0x7b0cf848, 0xdcc01a4a,
+  0x7b0b3d2c, 0xdcba1008, 0x7b0981c5, 0xdcb405dc, 0x7b07c612, 0xdcadfbc5,
+    0x7b060a12, 0xdca7f1c5,
+  0x7b044dc7, 0xdca1e7da, 0x7b029130, 0xdc9bde05, 0x7b00d44d, 0xdc95d446,
+    0x7aff171e, 0xdc8fca9c,
+  0x7afd59a4, 0xdc89c109, 0x7afb9bdd, 0xdc83b78b, 0x7af9ddcb, 0xdc7dae23,
+    0x7af81f6c, 0xdc77a4d2,
+  0x7af660c2, 0xdc719b96, 0x7af4a1cc, 0xdc6b9270, 0x7af2e28b, 0xdc658960,
+    0x7af122fd, 0xdc5f8066,
+  0x7aef6323, 0xdc597781, 0x7aeda2fe, 0xdc536eb3, 0x7aebe28d, 0xdc4d65fb,
+    0x7aea21d0, 0xdc475d59,
+  0x7ae860c7, 0xdc4154cd, 0x7ae69f73, 0xdc3b4c57, 0x7ae4ddd2, 0xdc3543f7,
+    0x7ae31be6, 0xdc2f3bad,
+  0x7ae159ae, 0xdc293379, 0x7adf972a, 0xdc232b5c, 0x7addd45b, 0xdc1d2354,
+    0x7adc113f, 0xdc171b63,
+  0x7ada4dd8, 0xdc111388, 0x7ad88a25, 0xdc0b0bc2, 0x7ad6c626, 0xdc050414,
+    0x7ad501dc, 0xdbfefc7b,
+  0x7ad33d45, 0xdbf8f4f8, 0x7ad17863, 0xdbf2ed8c, 0x7acfb336, 0xdbece636,
+    0x7acdedbc, 0xdbe6def6,
+  0x7acc27f7, 0xdbe0d7cd, 0x7aca61e6, 0xdbdad0b9, 0x7ac89b89, 0xdbd4c9bc,
+    0x7ac6d4e0, 0xdbcec2d6,
+  0x7ac50dec, 0xdbc8bc06, 0x7ac346ac, 0xdbc2b54c, 0x7ac17f20, 0xdbbcaea8,
+    0x7abfb749, 0xdbb6a81b,
+  0x7abdef25, 0xdbb0a1a4, 0x7abc26b7, 0xdbaa9b43, 0x7aba5dfc, 0xdba494f9,
+    0x7ab894f6, 0xdb9e8ec6,
+  0x7ab6cba4, 0xdb9888a8, 0x7ab50206, 0xdb9282a2, 0x7ab3381d, 0xdb8c7cb1,
+    0x7ab16de7, 0xdb8676d8,
+  0x7aafa367, 0xdb807114, 0x7aadd89a, 0xdb7a6b68, 0x7aac0d82, 0xdb7465d1,
+    0x7aaa421e, 0xdb6e6052,
+  0x7aa8766f, 0xdb685ae9, 0x7aa6aa74, 0xdb625596, 0x7aa4de2d, 0xdb5c505a,
+    0x7aa3119a, 0xdb564b35,
+  0x7aa144bc, 0xdb504626, 0x7a9f7793, 0xdb4a412e, 0x7a9daa1d, 0xdb443c4c,
+    0x7a9bdc5c, 0xdb3e3781,
+  0x7a9a0e50, 0xdb3832cd, 0x7a983ff7, 0xdb322e30, 0x7a967153, 0xdb2c29a9,
+    0x7a94a264, 0xdb262539,
+  0x7a92d329, 0xdb2020e0, 0x7a9103a2, 0xdb1a1c9d, 0x7a8f33d0, 0xdb141871,
+    0x7a8d63b2, 0xdb0e145c,
+  0x7a8b9348, 0xdb08105e, 0x7a89c293, 0xdb020c77, 0x7a87f192, 0xdafc08a6,
+    0x7a862046, 0xdaf604ec,
+  0x7a844eae, 0xdaf00149, 0x7a827ccb, 0xdae9fdbd, 0x7a80aa9c, 0xdae3fa48,
+    0x7a7ed821, 0xdaddf6ea,
+  0x7a7d055b, 0xdad7f3a2, 0x7a7b3249, 0xdad1f072, 0x7a795eec, 0xdacbed58,
+    0x7a778b43, 0xdac5ea56,
+  0x7a75b74f, 0xdabfe76a, 0x7a73e30f, 0xdab9e495, 0x7a720e84, 0xdab3e1d8,
+    0x7a7039ad, 0xdaaddf31,
+  0x7a6e648a, 0xdaa7dca1, 0x7a6c8f1c, 0xdaa1da29, 0x7a6ab963, 0xda9bd7c7,
+    0x7a68e35e, 0xda95d57d,
+  0x7a670d0d, 0xda8fd349, 0x7a653671, 0xda89d12d, 0x7a635f8a, 0xda83cf28,
+    0x7a618857, 0xda7dcd3a,
+  0x7a5fb0d8, 0xda77cb63, 0x7a5dd90e, 0xda71c9a3, 0x7a5c00f9, 0xda6bc7fa,
+    0x7a5a2898, 0xda65c669,
+  0x7a584feb, 0xda5fc4ef, 0x7a5676f3, 0xda59c38c, 0x7a549db0, 0xda53c240,
+    0x7a52c421, 0xda4dc10b,
+  0x7a50ea47, 0xda47bfee, 0x7a4f1021, 0xda41bee8, 0x7a4d35b0, 0xda3bbdf9,
+    0x7a4b5af3, 0xda35bd22,
+  0x7a497feb, 0xda2fbc61, 0x7a47a498, 0xda29bbb9, 0x7a45c8f9, 0xda23bb27,
+    0x7a43ed0e, 0xda1dbaad,
+  0x7a4210d8, 0xda17ba4a, 0x7a403457, 0xda11b9ff, 0x7a3e578b, 0xda0bb9cb,
+    0x7a3c7a73, 0xda05b9ae,
+  0x7a3a9d0f, 0xd9ffb9a9, 0x7a38bf60, 0xd9f9b9bb, 0x7a36e166, 0xd9f3b9e5,
+    0x7a350321, 0xd9edba26,
+  0x7a332490, 0xd9e7ba7f, 0x7a3145b3, 0xd9e1baef, 0x7a2f668c, 0xd9dbbb77,
+    0x7a2d8719, 0xd9d5bc16,
+  0x7a2ba75a, 0xd9cfbccd, 0x7a29c750, 0xd9c9bd9b, 0x7a27e6fb, 0xd9c3be81,
+    0x7a26065b, 0xd9bdbf7e,
+  0x7a24256f, 0xd9b7c094, 0x7a224437, 0xd9b1c1c0, 0x7a2062b5, 0xd9abc305,
+    0x7a1e80e7, 0xd9a5c461,
+  0x7a1c9ece, 0xd99fc5d4, 0x7a1abc69, 0xd999c75f, 0x7a18d9b9, 0xd993c902,
+    0x7a16f6be, 0xd98dcabd,
+  0x7a151378, 0xd987cc90, 0x7a132fe6, 0xd981ce7a, 0x7a114c09, 0xd97bd07c,
+    0x7a0f67e0, 0xd975d295,
+  0x7a0d836d, 0xd96fd4c7, 0x7a0b9eae, 0xd969d710, 0x7a09b9a4, 0xd963d971,
+    0x7a07d44e, 0xd95ddbea,
+  0x7a05eead, 0xd957de7a, 0x7a0408c1, 0xd951e123, 0x7a02228a, 0xd94be3e3,
+    0x7a003c07, 0xd945e6bb,
+  0x79fe5539, 0xd93fe9ab, 0x79fc6e20, 0xd939ecb3, 0x79fa86bc, 0xd933efd3,
+    0x79f89f0c, 0xd92df30b,
+  0x79f6b711, 0xd927f65b, 0x79f4cecb, 0xd921f9c3, 0x79f2e63a, 0xd91bfd43,
+    0x79f0fd5d, 0xd91600da,
+  0x79ef1436, 0xd910048a, 0x79ed2ac3, 0xd90a0852, 0x79eb4105, 0xd9040c32,
+    0x79e956fb, 0xd8fe1029,
+  0x79e76ca7, 0xd8f81439, 0x79e58207, 0xd8f21861, 0x79e3971c, 0xd8ec1ca1,
+    0x79e1abe6, 0xd8e620fa,
+  0x79dfc064, 0xd8e0256a, 0x79ddd498, 0xd8da29f2, 0x79dbe880, 0xd8d42e93,
+    0x79d9fc1d, 0xd8ce334c,
+  0x79d80f6f, 0xd8c8381d, 0x79d62276, 0xd8c23d06, 0x79d43532, 0xd8bc4207,
+    0x79d247a2, 0xd8b64720,
+  0x79d059c8, 0xd8b04c52, 0x79ce6ba2, 0xd8aa519c, 0x79cc7d31, 0xd8a456ff,
+    0x79ca8e75, 0xd89e5c79,
+  0x79c89f6e, 0xd898620c, 0x79c6b01b, 0xd89267b7, 0x79c4c07e, 0xd88c6d7b,
+    0x79c2d095, 0xd8867356,
+  0x79c0e062, 0xd880794b, 0x79beefe3, 0xd87a7f57, 0x79bcff19, 0xd874857c,
+    0x79bb0e04, 0xd86e8bb9,
+  0x79b91ca4, 0xd868920f, 0x79b72af9, 0xd862987d, 0x79b53903, 0xd85c9f04,
+    0x79b346c2, 0xd856a5a3,
+  0x79b15435, 0xd850ac5a, 0x79af615e, 0xd84ab32a, 0x79ad6e3c, 0xd844ba13,
+    0x79ab7ace, 0xd83ec114,
+  0x79a98715, 0xd838c82d, 0x79a79312, 0xd832cf5f, 0x79a59ec3, 0xd82cd6aa,
+    0x79a3aa29, 0xd826de0d,
+  0x79a1b545, 0xd820e589, 0x799fc015, 0xd81aed1d, 0x799dca9a, 0xd814f4ca,
+    0x799bd4d4, 0xd80efc8f,
+  0x7999dec4, 0xd809046e, 0x7997e868, 0xd8030c64, 0x7995f1c1, 0xd7fd1474,
+    0x7993facf, 0xd7f71c9c,
+  0x79920392, 0xd7f124dd, 0x79900c0a, 0xd7eb2d37, 0x798e1438, 0xd7e535a9,
+    0x798c1c1a, 0xd7df3e34,
+  0x798a23b1, 0xd7d946d8, 0x79882afd, 0xd7d34f94, 0x798631ff, 0xd7cd586a,
+    0x798438b5, 0xd7c76158,
+  0x79823f20, 0xd7c16a5f, 0x79804541, 0xd7bb737f, 0x797e4b16, 0xd7b57cb7,
+    0x797c50a1, 0xd7af8609,
+  0x797a55e0, 0xd7a98f73, 0x79785ad5, 0xd7a398f6, 0x79765f7f, 0xd79da293,
+    0x797463de, 0xd797ac48,
+  0x797267f2, 0xd791b616, 0x79706bbb, 0xd78bbffc, 0x796e6f39, 0xd785c9fc,
+    0x796c726c, 0xd77fd415,
+  0x796a7554, 0xd779de47, 0x796877f1, 0xd773e892, 0x79667a44, 0xd76df2f6,
+    0x79647c4c, 0xd767fd72,
+  0x79627e08, 0xd7620808, 0x79607f7a, 0xd75c12b7, 0x795e80a1, 0xd7561d7f,
+    0x795c817d, 0xd7502860,
+  0x795a820e, 0xd74a335b, 0x79588255, 0xd7443e6e, 0x79568250, 0xd73e499a,
+    0x79548201, 0xd73854e0,
+  0x79528167, 0xd732603f, 0x79508082, 0xd72c6bb6, 0x794e7f52, 0xd7267748,
+    0x794c7dd7, 0xd72082f2,
+  0x794a7c12, 0xd71a8eb5, 0x79487a01, 0xd7149a92, 0x794677a6, 0xd70ea688,
+    0x79447500, 0xd708b297,
+  0x79427210, 0xd702bec0, 0x79406ed4, 0xd6fccb01, 0x793e6b4e, 0xd6f6d75d,
+    0x793c677d, 0xd6f0e3d1,
+  0x793a6361, 0xd6eaf05f, 0x79385efa, 0xd6e4fd06, 0x79365a49, 0xd6df09c6,
+    0x7934554d, 0xd6d916a0,
+  0x79325006, 0xd6d32393, 0x79304a74, 0xd6cd30a0, 0x792e4497, 0xd6c73dc6,
+    0x792c3e70, 0xd6c14b05,
+  0x792a37fe, 0xd6bb585e, 0x79283141, 0xd6b565d0, 0x79262a3a, 0xd6af735c,
+    0x792422e8, 0xd6a98101,
+  0x79221b4b, 0xd6a38ec0, 0x79201363, 0xd69d9c98, 0x791e0b31, 0xd697aa8a,
+    0x791c02b4, 0xd691b895,
+  0x7919f9ec, 0xd68bc6ba, 0x7917f0d9, 0xd685d4f9, 0x7915e77c, 0xd67fe351,
+    0x7913ddd4, 0xd679f1c2,
+  0x7911d3e2, 0xd674004e, 0x790fc9a4, 0xd66e0ef2, 0x790dbf1d, 0xd6681db1,
+    0x790bb44a, 0xd6622c89,
+  0x7909a92d, 0xd65c3b7b, 0x79079dc5, 0xd6564a87, 0x79059212, 0xd65059ac,
+    0x79038615, 0xd64a68eb,
+  0x790179cd, 0xd6447844, 0x78ff6d3b, 0xd63e87b6, 0x78fd605d, 0xd6389742,
+    0x78fb5336, 0xd632a6e8,
+  0x78f945c3, 0xd62cb6a8, 0x78f73806, 0xd626c681, 0x78f529fe, 0xd620d675,
+    0x78f31bac, 0xd61ae682,
+  0x78f10d0f, 0xd614f6a9, 0x78eefe28, 0xd60f06ea, 0x78eceef6, 0xd6091745,
+    0x78eadf79, 0xd60327b9,
+  0x78e8cfb2, 0xd5fd3848, 0x78e6bfa0, 0xd5f748f0, 0x78e4af44, 0xd5f159b3,
+    0x78e29e9d, 0xd5eb6a8f,
+  0x78e08dab, 0xd5e57b85, 0x78de7c6f, 0xd5df8c96, 0x78dc6ae8, 0xd5d99dc0,
+    0x78da5917, 0xd5d3af04,
+  0x78d846fb, 0xd5cdc062, 0x78d63495, 0xd5c7d1db, 0x78d421e4, 0xd5c1e36d,
+    0x78d20ee9, 0xd5bbf519,
+  0x78cffba3, 0xd5b606e0, 0x78cde812, 0xd5b018c0, 0x78cbd437, 0xd5aa2abb,
+    0x78c9c012, 0xd5a43cd0,
+  0x78c7aba2, 0xd59e4eff, 0x78c596e7, 0xd5986148, 0x78c381e2, 0xd59273ab,
+    0x78c16c93, 0xd58c8628,
+  0x78bf56f9, 0xd58698c0, 0x78bd4114, 0xd580ab72, 0x78bb2ae5, 0xd57abe3d,
+    0x78b9146c, 0xd574d124,
+  0x78b6fda8, 0xd56ee424, 0x78b4e69a, 0xd568f73f, 0x78b2cf41, 0xd5630a74,
+    0x78b0b79e, 0xd55d1dc3,
+  0x78ae9fb0, 0xd557312d, 0x78ac8778, 0xd55144b0, 0x78aa6ef5, 0xd54b584f,
+    0x78a85628, 0xd5456c07,
+  0x78a63d11, 0xd53f7fda, 0x78a423af, 0xd53993c7, 0x78a20a03, 0xd533a7cf,
+    0x789ff00c, 0xd52dbbf1,
+  0x789dd5cb, 0xd527d02e, 0x789bbb3f, 0xd521e484, 0x7899a06a, 0xd51bf8f6,
+    0x78978549, 0xd5160d82,
+  0x789569df, 0xd5102228, 0x78934e2a, 0xd50a36e9, 0x7891322a, 0xd5044bc4,
+    0x788f15e0, 0xd4fe60ba,
+  0x788cf94c, 0xd4f875ca, 0x788adc6e, 0xd4f28af5, 0x7888bf45, 0xd4eca03a,
+    0x7886a1d1, 0xd4e6b59a,
+  0x78848414, 0xd4e0cb15, 0x7882660c, 0xd4dae0aa, 0x788047ba, 0xd4d4f65a,
+    0x787e291d, 0xd4cf0c24,
+  0x787c0a36, 0xd4c92209, 0x7879eb05, 0xd4c33809, 0x7877cb89, 0xd4bd4e23,
+    0x7875abc3, 0xd4b76458,
+  0x78738bb3, 0xd4b17aa8, 0x78716b59, 0xd4ab9112, 0x786f4ab4, 0xd4a5a798,
+    0x786d29c5, 0xd49fbe37,
+  0x786b088c, 0xd499d4f2, 0x7868e708, 0xd493ebc8, 0x7866c53a, 0xd48e02b8,
+    0x7864a322, 0xd48819c3,
+  0x786280bf, 0xd48230e9, 0x78605e13, 0xd47c4829, 0x785e3b1c, 0xd4765f85,
+    0x785c17db, 0xd47076fb,
+  0x7859f44f, 0xd46a8e8d, 0x7857d079, 0xd464a639, 0x7855ac5a, 0xd45ebe00,
+    0x785387ef, 0xd458d5e2,
+  0x7851633b, 0xd452eddf, 0x784f3e3c, 0xd44d05f6, 0x784d18f4, 0xd4471e29,
+    0x784af361, 0xd4413677,
+  0x7848cd83, 0xd43b4ee0, 0x7846a75c, 0xd4356763, 0x784480ea, 0xd42f8002,
+    0x78425a2f, 0xd42998bc,
+  0x78403329, 0xd423b191, 0x783e0bd9, 0xd41dca81, 0x783be43e, 0xd417e38c,
+    0x7839bc5a, 0xd411fcb2,
+  0x7837942b, 0xd40c15f3, 0x78356bb2, 0xd4062f4f, 0x783342ef, 0xd40048c6,
+    0x783119e2, 0xd3fa6259,
+  0x782ef08b, 0xd3f47c06, 0x782cc6ea, 0xd3ee95cf, 0x782a9cfe, 0xd3e8afb3,
+    0x782872c8, 0xd3e2c9b2,
+  0x78264849, 0xd3dce3cd, 0x78241d7f, 0xd3d6fe03, 0x7821f26b, 0xd3d11853,
+    0x781fc70d, 0xd3cb32c0,
+  0x781d9b65, 0xd3c54d47, 0x781b6f72, 0xd3bf67ea, 0x78194336, 0xd3b982a8,
+    0x781716b0, 0xd3b39d81,
+  0x7814e9df, 0xd3adb876, 0x7812bcc4, 0xd3a7d385, 0x78108f60, 0xd3a1eeb1,
+    0x780e61b1, 0xd39c09f7,
+  0x780c33b8, 0xd396255a, 0x780a0575, 0xd39040d7, 0x7807d6e9, 0xd38a5c70,
+    0x7805a812, 0xd3847824,
+  0x780378f1, 0xd37e93f4, 0x78014986, 0xd378afdf, 0x77ff19d1, 0xd372cbe6,
+    0x77fce9d2, 0xd36ce808,
+  0x77fab989, 0xd3670446, 0x77f888f6, 0xd361209f, 0x77f65819, 0xd35b3d13,
+    0x77f426f2, 0xd35559a4,
+  0x77f1f581, 0xd34f764f, 0x77efc3c5, 0xd3499317, 0x77ed91c0, 0xd343affa,
+    0x77eb5f71, 0xd33dccf8,
+  0x77e92cd9, 0xd337ea12, 0x77e6f9f6, 0xd3320748, 0x77e4c6c9, 0xd32c2499,
+    0x77e29352, 0xd3264206,
+  0x77e05f91, 0xd3205f8f, 0x77de2b86, 0xd31a7d33, 0x77dbf732, 0xd3149af3,
+    0x77d9c293, 0xd30eb8cf,
+  0x77d78daa, 0xd308d6c7, 0x77d55878, 0xd302f4da, 0x77d322fc, 0xd2fd1309,
+    0x77d0ed35, 0xd2f73154,
+  0x77ceb725, 0xd2f14fba, 0x77cc80cb, 0xd2eb6e3c, 0x77ca4a27, 0xd2e58cdb,
+    0x77c81339, 0xd2dfab95,
+  0x77c5dc01, 0xd2d9ca6a, 0x77c3a47f, 0xd2d3e95c, 0x77c16cb4, 0xd2ce0869,
+    0x77bf349f, 0xd2c82793,
+  0x77bcfc3f, 0xd2c246d8, 0x77bac396, 0xd2bc6639, 0x77b88aa3, 0xd2b685b6,
+    0x77b65166, 0xd2b0a54f,
+  0x77b417df, 0xd2aac504, 0x77b1de0f, 0xd2a4e4d5, 0x77afa3f5, 0xd29f04c2,
+    0x77ad6990, 0xd29924cb,
+  0x77ab2ee2, 0xd29344f0, 0x77a8f3ea, 0xd28d6531, 0x77a6b8a9, 0xd287858e,
+    0x77a47d1d, 0xd281a607,
+  0x77a24148, 0xd27bc69c, 0x77a00529, 0xd275e74d, 0x779dc8c0, 0xd270081b,
+    0x779b8c0e, 0xd26a2904,
+  0x77994f11, 0xd2644a0a, 0x779711cb, 0xd25e6b2b, 0x7794d43b, 0xd2588c69,
+    0x77929661, 0xd252adc3,
+  0x7790583e, 0xd24ccf39, 0x778e19d0, 0xd246f0cb, 0x778bdb19, 0xd241127a,
+    0x77899c19, 0xd23b3444,
+  0x77875cce, 0xd235562b, 0x77851d3a, 0xd22f782f, 0x7782dd5c, 0xd2299a4e,
+    0x77809d35, 0xd223bc8a,
+  0x777e5cc3, 0xd21ddee2, 0x777c1c08, 0xd2180156, 0x7779db03, 0xd21223e7,
+    0x777799b5, 0xd20c4694,
+  0x7775581d, 0xd206695d, 0x7773163b, 0xd2008c43, 0x7770d40f, 0xd1faaf45,
+    0x776e919a, 0xd1f4d263,
+  0x776c4edb, 0xd1eef59e, 0x776a0bd3, 0xd1e918f5, 0x7767c880, 0xd1e33c69,
+    0x776584e5, 0xd1dd5ff9,
+  0x776340ff, 0xd1d783a6, 0x7760fcd0, 0xd1d1a76f, 0x775eb857, 0xd1cbcb54,
+    0x775c7395, 0xd1c5ef56,
+  0x775a2e89, 0xd1c01375, 0x7757e933, 0xd1ba37b0, 0x7755a394, 0xd1b45c08,
+    0x77535dab, 0xd1ae807c,
+  0x77511778, 0xd1a8a50d, 0x774ed0fc, 0xd1a2c9ba, 0x774c8a36, 0xd19cee84,
+    0x774a4327, 0xd197136b,
+  0x7747fbce, 0xd191386e, 0x7745b42c, 0xd18b5d8e, 0x77436c40, 0xd18582ca,
+    0x7741240a, 0xd17fa823,
+  0x773edb8b, 0xd179cd99, 0x773c92c2, 0xd173f32c, 0x773a49b0, 0xd16e18db,
+    0x77380054, 0xd1683ea7,
+  0x7735b6af, 0xd1626490, 0x77336cc0, 0xd15c8a95, 0x77312287, 0xd156b0b7,
+    0x772ed805, 0xd150d6f6,
+  0x772c8d3a, 0xd14afd52, 0x772a4225, 0xd14523cb, 0x7727f6c6, 0xd13f4a60,
+    0x7725ab1f, 0xd1397113,
+  0x77235f2d, 0xd13397e2, 0x772112f2, 0xd12dbece, 0x771ec66e, 0xd127e5d7,
+    0x771c79a0, 0xd1220cfc,
+  0x771a2c88, 0xd11c343f, 0x7717df27, 0xd1165b9f, 0x7715917d, 0xd110831b,
+    0x77134389, 0xd10aaab5,
+  0x7710f54c, 0xd104d26b, 0x770ea6c5, 0xd0fefa3f, 0x770c57f5, 0xd0f9222f,
+    0x770a08dc, 0xd0f34a3d,
+  0x7707b979, 0xd0ed7267, 0x770569cc, 0xd0e79aaf, 0x770319d6, 0xd0e1c313,
+    0x7700c997, 0xd0dbeb95,
+  0x76fe790e, 0xd0d61434, 0x76fc283c, 0xd0d03cf0, 0x76f9d721, 0xd0ca65c9,
+    0x76f785bc, 0xd0c48ebf,
+  0x76f5340e, 0xd0beb7d2, 0x76f2e216, 0xd0b8e102, 0x76f08fd5, 0xd0b30a50,
+    0x76ee3d4b, 0xd0ad33ba,
+  0x76ebea77, 0xd0a75d42, 0x76e9975a, 0xd0a186e7, 0x76e743f4, 0xd09bb0aa,
+    0x76e4f044, 0xd095da89,
+  0x76e29c4b, 0xd0900486, 0x76e04808, 0xd08a2ea0, 0x76ddf37c, 0xd08458d7,
+    0x76db9ea7, 0xd07e832c,
+  0x76d94989, 0xd078ad9e, 0x76d6f421, 0xd072d82d, 0x76d49e70, 0xd06d02da,
+    0x76d24876, 0xd0672da3,
+  0x76cff232, 0xd061588b, 0x76cd9ba5, 0xd05b838f, 0x76cb44cf, 0xd055aeb1,
+    0x76c8edb0, 0xd04fd9f1,
+  0x76c69647, 0xd04a054e, 0x76c43e95, 0xd04430c8, 0x76c1e699, 0xd03e5c60,
+    0x76bf8e55, 0xd0388815,
+  0x76bd35c7, 0xd032b3e7, 0x76badcf0, 0xd02cdfd8, 0x76b883d0, 0xd0270be5,
+    0x76b62a66, 0xd0213810,
+  0x76b3d0b4, 0xd01b6459, 0x76b176b8, 0xd01590bf, 0x76af1c72, 0xd00fbd43,
+    0x76acc1e4, 0xd009e9e4,
+  0x76aa670d, 0xd00416a3, 0x76a80bec, 0xcffe4380, 0x76a5b082, 0xcff8707a,
+    0x76a354cf, 0xcff29d92,
+  0x76a0f8d2, 0xcfeccac7, 0x769e9c8d, 0xcfe6f81a, 0x769c3ffe, 0xcfe1258b,
+    0x7699e326, 0xcfdb531a,
+  0x76978605, 0xcfd580c6, 0x7695289b, 0xcfcfae8f, 0x7692cae8, 0xcfc9dc77,
+    0x76906ceb, 0xcfc40a7c,
+  0x768e0ea6, 0xcfbe389f, 0x768bb017, 0xcfb866e0, 0x7689513f, 0xcfb2953f,
+    0x7686f21e, 0xcfacc3bb,
+  0x768492b4, 0xcfa6f255, 0x76823301, 0xcfa1210d, 0x767fd304, 0xcf9b4fe3,
+    0x767d72bf, 0xcf957ed7,
+  0x767b1231, 0xcf8fade9, 0x7678b159, 0xcf89dd18, 0x76765038, 0xcf840c65,
+    0x7673eecf, 0xcf7e3bd1,
+  0x76718d1c, 0xcf786b5a, 0x766f2b20, 0xcf729b01, 0x766cc8db, 0xcf6ccac6,
+    0x766a664d, 0xcf66faa9,
+  0x76680376, 0xcf612aaa, 0x7665a056, 0xcf5b5ac9, 0x76633ced, 0xcf558b06,
+    0x7660d93b, 0xcf4fbb61,
+  0x765e7540, 0xcf49ebda, 0x765c10fc, 0xcf441c71, 0x7659ac6f, 0xcf3e4d26,
+    0x76574798, 0xcf387dfa,
+  0x7654e279, 0xcf32aeeb, 0x76527d11, 0xcf2cdffa, 0x76501760, 0xcf271128,
+    0x764db166, 0xcf214274,
+  0x764b4b23, 0xcf1b73de, 0x7648e497, 0xcf15a566, 0x76467dc2, 0xcf0fd70c,
+    0x764416a4, 0xcf0a08d0,
+  0x7641af3d, 0xcf043ab3, 0x763f478d, 0xcefe6cb3, 0x763cdf94, 0xcef89ed2,
+    0x763a7752, 0xcef2d110,
+  0x76380ec8, 0xceed036b, 0x7635a5f4, 0xcee735e5, 0x76333cd8, 0xcee1687d,
+    0x7630d372, 0xcedb9b33,
+  0x762e69c4, 0xced5ce08, 0x762bffcd, 0xced000fb, 0x7629958c, 0xceca340c,
+    0x76272b03, 0xcec4673c,
+  0x7624c031, 0xcebe9a8a, 0x76225517, 0xceb8cdf7, 0x761fe9b3, 0xceb30181,
+    0x761d7e06, 0xcead352b,
+  0x761b1211, 0xcea768f2, 0x7618a5d3, 0xcea19cd8, 0x7616394c, 0xce9bd0dd,
+    0x7613cc7c, 0xce960500,
+  0x76115f63, 0xce903942, 0x760ef201, 0xce8a6da2, 0x760c8457, 0xce84a220,
+    0x760a1664, 0xce7ed6bd,
+  0x7607a828, 0xce790b79, 0x760539a3, 0xce734053, 0x7602cad5, 0xce6d754c,
+    0x76005bbf, 0xce67aa63,
+  0x75fdec60, 0xce61df99, 0x75fb7cb8, 0xce5c14ed, 0x75f90cc7, 0xce564a60,
+    0x75f69c8d, 0xce507ff2,
+  0x75f42c0b, 0xce4ab5a2, 0x75f1bb40, 0xce44eb71, 0x75ef4a2c, 0xce3f215f,
+    0x75ecd8cf, 0xce39576c,
+  0x75ea672a, 0xce338d97, 0x75e7f53c, 0xce2dc3e1, 0x75e58305, 0xce27fa49,
+    0x75e31086, 0xce2230d0,
+  0x75e09dbd, 0xce1c6777, 0x75de2aac, 0xce169e3b, 0x75dbb753, 0xce10d51f,
+    0x75d943b0, 0xce0b0c21,
+  0x75d6cfc5, 0xce054343, 0x75d45b92, 0xcdff7a83, 0x75d1e715, 0xcdf9b1e2,
+    0x75cf7250, 0xcdf3e95f,
+  0x75ccfd42, 0xcdee20fc, 0x75ca87ec, 0xcde858b8, 0x75c8124d, 0xcde29092,
+    0x75c59c65, 0xcddcc88b,
+  0x75c32634, 0xcdd700a4, 0x75c0afbb, 0xcdd138db, 0x75be38fa, 0xcdcb7131,
+    0x75bbc1ef, 0xcdc5a9a6,
+  0x75b94a9c, 0xcdbfe23a, 0x75b6d301, 0xcdba1aee, 0x75b45b1d, 0xcdb453c0,
+    0x75b1e2f0, 0xcdae8cb1,
+  0x75af6a7b, 0xcda8c5c1, 0x75acf1bd, 0xcda2fef0, 0x75aa78b6, 0xcd9d383f,
+    0x75a7ff67, 0xcd9771ac,
+  0x75a585cf, 0xcd91ab39, 0x75a30bef, 0xcd8be4e4, 0x75a091c6, 0xcd861eaf,
+    0x759e1755, 0xcd805899,
+  0x759b9c9b, 0xcd7a92a2, 0x75992198, 0xcd74ccca, 0x7596a64d, 0xcd6f0711,
+    0x75942ab9, 0xcd694178,
+  0x7591aedd, 0xcd637bfe, 0x758f32b9, 0xcd5db6a3, 0x758cb64c, 0xcd57f167,
+    0x758a3996, 0xcd522c4a,
+  0x7587bc98, 0xcd4c674d, 0x75853f51, 0xcd46a26f, 0x7582c1c2, 0xcd40ddb0,
+    0x758043ea, 0xcd3b1911,
+  0x757dc5ca, 0xcd355491, 0x757b4762, 0xcd2f9030, 0x7578c8b0, 0xcd29cbee,
+    0x757649b7, 0xcd2407cc,
+  0x7573ca75, 0xcd1e43ca, 0x75714aea, 0xcd187fe6, 0x756ecb18, 0xcd12bc22,
+    0x756c4afc, 0xcd0cf87e,
+  0x7569ca99, 0xcd0734f9, 0x756749ec, 0xcd017193, 0x7564c8f8, 0xccfbae4d,
+    0x756247bb, 0xccf5eb26,
+  0x755fc635, 0xccf0281f, 0x755d4467, 0xccea6538, 0x755ac251, 0xcce4a26f,
+    0x75583ff3, 0xccdedfc7,
+  0x7555bd4c, 0xccd91d3d, 0x75533a5c, 0xccd35ad4, 0x7550b725, 0xcccd988a,
+    0x754e33a4, 0xccc7d65f,
+  0x754bafdc, 0xccc21455, 0x75492bcb, 0xccbc5269, 0x7546a772, 0xccb6909e,
+    0x754422d0, 0xccb0cef2,
+  0x75419de7, 0xccab0d65, 0x753f18b4, 0xcca54bf9, 0x753c933a, 0xcc9f8aac,
+    0x753a0d77, 0xcc99c97e,
+  0x7537876c, 0xcc940871, 0x75350118, 0xcc8e4783, 0x75327a7d, 0xcc8886b5,
+    0x752ff399, 0xcc82c607,
+  0x752d6c6c, 0xcc7d0578, 0x752ae4f8, 0xcc774509, 0x75285d3b, 0xcc7184ba,
+    0x7525d536, 0xcc6bc48b,
+  0x75234ce8, 0xcc66047b, 0x7520c453, 0xcc60448c, 0x751e3b75, 0xcc5a84bc,
+    0x751bb24f, 0xcc54c50c,
+  0x751928e0, 0xcc4f057c, 0x75169f2a, 0xcc49460c, 0x7514152b, 0xcc4386bc,
+    0x75118ae4, 0xcc3dc78b,
+  0x750f0054, 0xcc38087b, 0x750c757d, 0xcc32498a, 0x7509ea5d, 0xcc2c8aba,
+    0x75075ef5, 0xcc26cc09,
+  0x7504d345, 0xcc210d79, 0x7502474d, 0xcc1b4f08, 0x74ffbb0d, 0xcc1590b8,
+    0x74fd2e84, 0xcc0fd287,
+  0x74faa1b3, 0xcc0a1477, 0x74f8149a, 0xcc045686, 0x74f58739, 0xcbfe98b6,
+    0x74f2f990, 0xcbf8db05,
+  0x74f06b9e, 0xcbf31d75, 0x74eddd65, 0xcbed6005, 0x74eb4ee3, 0xcbe7a2b5,
+    0x74e8c01a, 0xcbe1e585,
+  0x74e63108, 0xcbdc2876, 0x74e3a1ae, 0xcbd66b86, 0x74e1120c, 0xcbd0aeb7,
+    0x74de8221, 0xcbcaf208,
+  0x74dbf1ef, 0xcbc53579, 0x74d96175, 0xcbbf790a, 0x74d6d0b2, 0xcbb9bcbb,
+    0x74d43fa8, 0xcbb4008d,
+  0x74d1ae55, 0xcbae447f, 0x74cf1cbb, 0xcba88891, 0x74cc8ad8, 0xcba2ccc4,
+    0x74c9f8ad, 0xcb9d1117,
+  0x74c7663a, 0xcb97558a, 0x74c4d380, 0xcb919a1d, 0x74c2407d, 0xcb8bded1,
+    0x74bfad32, 0xcb8623a5,
+  0x74bd199f, 0xcb80689a, 0x74ba85c4, 0xcb7aadaf, 0x74b7f1a1, 0xcb74f2e4,
+    0x74b55d36, 0xcb6f383a,
+  0x74b2c884, 0xcb697db0, 0x74b03389, 0xcb63c347, 0x74ad9e46, 0xcb5e08fe,
+    0x74ab08bb, 0xcb584ed6,
+  0x74a872e8, 0xcb5294ce, 0x74a5dccd, 0xcb4cdae6, 0x74a3466b, 0xcb47211f,
+    0x74a0afc0, 0xcb416779,
+  0x749e18cd, 0xcb3badf3, 0x749b8193, 0xcb35f48d, 0x7498ea11, 0xcb303b49,
+    0x74965246, 0xcb2a8224,
+  0x7493ba34, 0xcb24c921, 0x749121da, 0xcb1f103e, 0x748e8938, 0xcb19577b,
+    0x748bf04d, 0xcb139ed9,
+  0x7489571c, 0xcb0de658, 0x7486bda2, 0xcb082df8, 0x748423e0, 0xcb0275b8,
+    0x748189d7, 0xcafcbd99,
+  0x747eef85, 0xcaf7059a, 0x747c54ec, 0xcaf14dbd, 0x7479ba0b, 0xcaeb9600,
+    0x74771ee2, 0xcae5de64,
+  0x74748371, 0xcae026e8, 0x7471e7b8, 0xcada6f8d, 0x746f4bb8, 0xcad4b853,
+    0x746caf70, 0xcacf013a,
+  0x746a12df, 0xcac94a42, 0x74677608, 0xcac3936b, 0x7464d8e8, 0xcabddcb4,
+    0x74623b80, 0xcab8261e,
+  0x745f9dd1, 0xcab26fa9, 0x745cffda, 0xcaacb955, 0x745a619b, 0xcaa70322,
+    0x7457c314, 0xcaa14d10,
+  0x74552446, 0xca9b971e, 0x74528530, 0xca95e14e, 0x744fe5d2, 0xca902b9f,
+    0x744d462c, 0xca8a7610,
+  0x744aa63f, 0xca84c0a3, 0x7448060a, 0xca7f0b56, 0x7445658d, 0xca79562b,
+    0x7442c4c8, 0xca73a120,
+  0x744023bc, 0xca6dec37, 0x743d8268, 0xca68376e, 0x743ae0cc, 0xca6282c7,
+    0x74383ee9, 0xca5cce40,
+  0x74359cbd, 0xca5719db, 0x7432fa4b, 0xca516597, 0x74305790, 0xca4bb174,
+    0x742db48e, 0xca45fd72,
+  0x742b1144, 0xca404992, 0x74286db3, 0xca3a95d2, 0x7425c9da, 0xca34e234,
+    0x742325b9, 0xca2f2eb6,
+  0x74208150, 0xca297b5a, 0x741ddca0, 0xca23c820, 0x741b37a9, 0xca1e1506,
+    0x74189269, 0xca18620e,
+  0x7415ece2, 0xca12af37, 0x74134714, 0xca0cfc81, 0x7410a0fe, 0xca0749ec,
+    0x740dfaa0, 0xca019779,
+  0x740b53fb, 0xc9fbe527, 0x7408ad0e, 0xc9f632f6, 0x740605d9, 0xc9f080e7,
+    0x74035e5d, 0xc9eacef9,
+  0x7400b69a, 0xc9e51d2d, 0x73fe0e8f, 0xc9df6b81, 0x73fb663c, 0xc9d9b9f7,
+    0x73f8bda2, 0xc9d4088f,
+  0x73f614c0, 0xc9ce5748, 0x73f36b97, 0xc9c8a622, 0x73f0c226, 0xc9c2f51e,
+    0x73ee186e, 0xc9bd443c,
+  0x73eb6e6e, 0xc9b7937a, 0x73e8c426, 0xc9b1e2db, 0x73e61997, 0xc9ac325d,
+    0x73e36ec1, 0xc9a68200,
+  0x73e0c3a3, 0xc9a0d1c5, 0x73de183e, 0xc99b21ab, 0x73db6c91, 0xc99571b3,
+    0x73d8c09d, 0xc98fc1dc,
+  0x73d61461, 0xc98a1227, 0x73d367de, 0xc9846294, 0x73d0bb13, 0xc97eb322,
+    0x73ce0e01, 0xc97903d2,
+  0x73cb60a8, 0xc97354a4, 0x73c8b307, 0xc96da597, 0x73c6051f, 0xc967f6ac,
+    0x73c356ef, 0xc96247e2,
+  0x73c0a878, 0xc95c993a, 0x73bdf9b9, 0xc956eab4, 0x73bb4ab3, 0xc9513c50,
+    0x73b89b66, 0xc94b8e0d,
+  0x73b5ebd1, 0xc945dfec, 0x73b33bf5, 0xc94031ed, 0x73b08bd1, 0xc93a8410,
+    0x73addb67, 0xc934d654,
+  0x73ab2ab4, 0xc92f28ba, 0x73a879bb, 0xc9297b42, 0x73a5c87a, 0xc923cdec,
+    0x73a316f2, 0xc91e20b8,
+  0x73a06522, 0xc91873a5, 0x739db30b, 0xc912c6b5, 0x739b00ad, 0xc90d19e6,
+    0x73984e07, 0xc9076d39,
+  0x73959b1b, 0xc901c0ae, 0x7392e7e6, 0xc8fc1445, 0x7390346b, 0xc8f667fe,
+    0x738d80a8, 0xc8f0bbd9,
+  0x738acc9e, 0xc8eb0fd6, 0x7388184d, 0xc8e563f5, 0x738563b5, 0xc8dfb836,
+    0x7382aed5, 0xc8da0c99,
+  0x737ff9ae, 0xc8d4611d, 0x737d4440, 0xc8ceb5c4, 0x737a8e8a, 0xc8c90a8d,
+    0x7377d88d, 0xc8c35f78,
+  0x73752249, 0xc8bdb485, 0x73726bbe, 0xc8b809b4, 0x736fb4ec, 0xc8b25f06,
+    0x736cfdd2, 0xc8acb479,
+  0x736a4671, 0xc8a70a0e, 0x73678ec9, 0xc8a15fc6, 0x7364d6da, 0xc89bb5a0,
+    0x73621ea4, 0xc8960b9c,
+  0x735f6626, 0xc89061ba, 0x735cad61, 0xc88ab7fa, 0x7359f456, 0xc8850e5d,
+    0x73573b03, 0xc87f64e2,
+  0x73548168, 0xc879bb89, 0x7351c787, 0xc8741252, 0x734f0d5f, 0xc86e693d,
+    0x734c52ef, 0xc868c04b,
+  0x73499838, 0xc863177b, 0x7346dd3a, 0xc85d6ece, 0x734421f6, 0xc857c642,
+    0x7341666a, 0xc8521dd9,
+  0x733eaa96, 0xc84c7593, 0x733bee7c, 0xc846cd6e, 0x7339321b, 0xc841256d,
+    0x73367572, 0xc83b7d8d,
+  0x7333b883, 0xc835d5d0, 0x7330fb4d, 0xc8302e35, 0x732e3dcf, 0xc82a86bd,
+    0x732b800a, 0xc824df67,
+  0x7328c1ff, 0xc81f3834, 0x732603ac, 0xc8199123, 0x73234512, 0xc813ea35,
+    0x73208632, 0xc80e4369,
+  0x731dc70a, 0xc8089cbf, 0x731b079b, 0xc802f638, 0x731847e5, 0xc7fd4fd4,
+    0x731587e8, 0xc7f7a992,
+  0x7312c7a5, 0xc7f20373, 0x7310071a, 0xc7ec5d76, 0x730d4648, 0xc7e6b79c,
+    0x730a8530, 0xc7e111e5,
+  0x7307c3d0, 0xc7db6c50, 0x73050229, 0xc7d5c6de, 0x7302403c, 0xc7d0218e,
+    0x72ff7e07, 0xc7ca7c61,
+  0x72fcbb8c, 0xc7c4d757, 0x72f9f8c9, 0xc7bf3270, 0x72f735c0, 0xc7b98dab,
+    0x72f47270, 0xc7b3e909,
+  0x72f1aed9, 0xc7ae4489, 0x72eeeafb, 0xc7a8a02c, 0x72ec26d6, 0xc7a2fbf3,
+    0x72e9626a, 0xc79d57db,
+  0x72e69db7, 0xc797b3e7, 0x72e3d8be, 0xc7921015, 0x72e1137d, 0xc78c6c67,
+    0x72de4df6, 0xc786c8db,
+  0x72db8828, 0xc7812572, 0x72d8c213, 0xc77b822b, 0x72d5fbb7, 0xc775df08,
+    0x72d33514, 0xc7703c08,
+  0x72d06e2b, 0xc76a992a, 0x72cda6fb, 0xc764f66f, 0x72cadf83, 0xc75f53d7,
+    0x72c817c6, 0xc759b163,
+  0x72c54fc1, 0xc7540f11, 0x72c28775, 0xc74e6ce2, 0x72bfbee3, 0xc748cad6,
+    0x72bcf60a, 0xc74328ed,
+  0x72ba2cea, 0xc73d8727, 0x72b76383, 0xc737e584, 0x72b499d6, 0xc7324404,
+    0x72b1cfe1, 0xc72ca2a7,
+  0x72af05a7, 0xc727016d, 0x72ac3b25, 0xc7216056, 0x72a9705c, 0xc71bbf62,
+    0x72a6a54d, 0xc7161e92,
+  0x72a3d9f7, 0xc7107de4, 0x72a10e5b, 0xc70add5a, 0x729e4277, 0xc7053cf2,
+    0x729b764d, 0xc6ff9cae,
+  0x7298a9dd, 0xc6f9fc8d, 0x7295dd25, 0xc6f45c8f, 0x72931027, 0xc6eebcb5,
+    0x729042e3, 0xc6e91cfd,
+  0x728d7557, 0xc6e37d69, 0x728aa785, 0xc6ddddf8, 0x7287d96c, 0xc6d83eab,
+    0x72850b0d, 0xc6d29f80,
+  0x72823c67, 0xc6cd0079, 0x727f6d7a, 0xc6c76195, 0x727c9e47, 0xc6c1c2d4,
+    0x7279cecd, 0xc6bc2437,
+  0x7276ff0d, 0xc6b685bd, 0x72742f05, 0xc6b0e767, 0x72715eb8, 0xc6ab4933,
+    0x726e8e23, 0xc6a5ab23,
+  0x726bbd48, 0xc6a00d37, 0x7268ec27, 0xc69a6f6e, 0x72661abf, 0xc694d1c8,
+    0x72634910, 0xc68f3446,
+  0x7260771b, 0xc68996e7, 0x725da4df, 0xc683f9ab, 0x725ad25d, 0xc67e5c93,
+    0x7257ff94, 0xc678bf9f,
+  0x72552c85, 0xc67322ce, 0x7252592f, 0xc66d8620, 0x724f8593, 0xc667e996,
+    0x724cb1b0, 0xc6624d30,
+  0x7249dd86, 0xc65cb0ed, 0x72470916, 0xc65714cd, 0x72443460, 0xc65178d1,
+    0x72415f63, 0xc64bdcf9,
+  0x723e8a20, 0xc6464144, 0x723bb496, 0xc640a5b3, 0x7238dec5, 0xc63b0a46,
+    0x723608af, 0xc6356efc,
+  0x72333251, 0xc62fd3d6, 0x72305bae, 0xc62a38d4, 0x722d84c4, 0xc6249df5,
+    0x722aad93, 0xc61f033a,
+  0x7227d61c, 0xc61968a2, 0x7224fe5f, 0xc613ce2f, 0x7222265b, 0xc60e33df,
+    0x721f4e11, 0xc60899b2,
+  0x721c7580, 0xc602ffaa, 0x72199ca9, 0xc5fd65c5, 0x7216c38c, 0xc5f7cc04,
+    0x7213ea28, 0xc5f23267,
+  0x7211107e, 0xc5ec98ee, 0x720e368d, 0xc5e6ff98, 0x720b5c57, 0xc5e16667,
+    0x720881d9, 0xc5dbcd59,
+  0x7205a716, 0xc5d6346f, 0x7202cc0c, 0xc5d09ba9, 0x71fff0bc, 0xc5cb0307,
+    0x71fd1525, 0xc5c56a89,
+  0x71fa3949, 0xc5bfd22e, 0x71f75d25, 0xc5ba39f8, 0x71f480bc, 0xc5b4a1e5,
+    0x71f1a40c, 0xc5af09f7,
+  0x71eec716, 0xc5a9722c, 0x71ebe9da, 0xc5a3da86, 0x71e90c57, 0xc59e4303,
+    0x71e62e8f, 0xc598aba5,
+  0x71e35080, 0xc593146a, 0x71e0722a, 0xc58d7d54, 0x71dd938f, 0xc587e661,
+    0x71dab4ad, 0xc5824f93,
+  0x71d7d585, 0xc57cb8e9, 0x71d4f617, 0xc5772263, 0x71d21662, 0xc5718c00,
+    0x71cf3667, 0xc56bf5c2,
+  0x71cc5626, 0xc5665fa9, 0x71c9759f, 0xc560c9b3, 0x71c694d2, 0xc55b33e2,
+    0x71c3b3bf, 0xc5559e34,
+  0x71c0d265, 0xc55008ab, 0x71bdf0c5, 0xc54a7346, 0x71bb0edf, 0xc544de05,
+    0x71b82cb3, 0xc53f48e9,
+  0x71b54a41, 0xc539b3f1, 0x71b26788, 0xc5341f1d, 0x71af848a, 0xc52e8a6d,
+    0x71aca145, 0xc528f5e1,
+  0x71a9bdba, 0xc523617a, 0x71a6d9e9, 0xc51dcd37, 0x71a3f5d2, 0xc5183919,
+    0x71a11175, 0xc512a51f,
+  0x719e2cd2, 0xc50d1149, 0x719b47e9, 0xc5077d97, 0x719862b9, 0xc501ea0a,
+    0x71957d44, 0xc4fc56a2,
+  0x71929789, 0xc4f6c35d, 0x718fb187, 0xc4f1303d, 0x718ccb3f, 0xc4eb9d42,
+    0x7189e4b2, 0xc4e60a6b,
+  0x7186fdde, 0xc4e077b8, 0x718416c4, 0xc4dae52a, 0x71812f65, 0xc4d552c1,
+    0x717e47bf, 0xc4cfc07c,
+  0x717b5fd3, 0xc4ca2e5b, 0x717877a1, 0xc4c49c5f, 0x71758f29, 0xc4bf0a87,
+    0x7172a66c, 0xc4b978d4,
+  0x716fbd68, 0xc4b3e746, 0x716cd41e, 0xc4ae55dc, 0x7169ea8f, 0xc4a8c497,
+    0x716700b9, 0xc4a33376,
+  0x7164169d, 0xc49da27a, 0x71612c3c, 0xc49811a3, 0x715e4194, 0xc49280f0,
+    0x715b56a7, 0xc48cf062,
+  0x71586b74, 0xc4875ff9, 0x71557ffa, 0xc481cfb4, 0x7152943b, 0xc47c3f94,
+    0x714fa836, 0xc476af98,
+  0x714cbbeb, 0xc4711fc2, 0x7149cf5a, 0xc46b9010, 0x7146e284, 0xc4660083,
+    0x7143f567, 0xc460711b,
+  0x71410805, 0xc45ae1d7, 0x713e1a5c, 0xc45552b8, 0x713b2c6e, 0xc44fc3be,
+    0x71383e3a, 0xc44a34e9,
+  0x71354fc0, 0xc444a639, 0x71326101, 0xc43f17ad, 0x712f71fb, 0xc4398947,
+    0x712c82b0, 0xc433fb05,
+  0x7129931f, 0xc42e6ce8, 0x7126a348, 0xc428def0, 0x7123b32b, 0xc423511d,
+    0x7120c2c8, 0xc41dc36f,
+  0x711dd220, 0xc41835e6, 0x711ae132, 0xc412a882, 0x7117effe, 0xc40d1b42,
+    0x7114fe84, 0xc4078e28,
+  0x71120cc5, 0xc4020133, 0x710f1ac0, 0xc3fc7462, 0x710c2875, 0xc3f6e7b7,
+    0x710935e4, 0xc3f15b31,
+  0x7106430e, 0xc3ebced0, 0x71034ff2, 0xc3e64294, 0x71005c90, 0xc3e0b67d,
+    0x70fd68e9, 0xc3db2a8b,
+  0x70fa74fc, 0xc3d59ebe, 0x70f780c9, 0xc3d01316, 0x70f48c50, 0xc3ca8793,
+    0x70f19792, 0xc3c4fc36,
+  0x70eea28e, 0xc3bf70fd, 0x70ebad45, 0xc3b9e5ea, 0x70e8b7b5, 0xc3b45afc,
+    0x70e5c1e1, 0xc3aed034,
+  0x70e2cbc6, 0xc3a94590, 0x70dfd566, 0xc3a3bb12, 0x70dcdec0, 0xc39e30b8,
+    0x70d9e7d5, 0xc398a685,
+  0x70d6f0a4, 0xc3931c76, 0x70d3f92d, 0xc38d928d, 0x70d10171, 0xc38808c9,
+    0x70ce096f, 0xc3827f2a,
+  0x70cb1128, 0xc37cf5b0, 0x70c8189b, 0xc3776c5c, 0x70c51fc8, 0xc371e32d,
+    0x70c226b0, 0xc36c5a24,
+  0x70bf2d53, 0xc366d140, 0x70bc33b0, 0xc3614881, 0x70b939c7, 0xc35bbfe8,
+    0x70b63f99, 0xc3563774,
+  0x70b34525, 0xc350af26, 0x70b04a6b, 0xc34b26fc, 0x70ad4f6d, 0xc3459ef9,
+    0x70aa5428, 0xc340171b,
+  0x70a7589f, 0xc33a8f62, 0x70a45ccf, 0xc33507cf, 0x70a160ba, 0xc32f8061,
+    0x709e6460, 0xc329f919,
+  0x709b67c0, 0xc32471f7, 0x70986adb, 0xc31eeaf9, 0x70956db1, 0xc3196422,
+    0x70927041, 0xc313dd70,
+  0x708f728b, 0xc30e56e4, 0x708c7490, 0xc308d07d, 0x70897650, 0xc3034a3c,
+    0x708677ca, 0xc2fdc420,
+  0x708378ff, 0xc2f83e2a, 0x708079ee, 0xc2f2b85a, 0x707d7a98, 0xc2ed32af,
+    0x707a7afd, 0xc2e7ad2a,
+  0x70777b1c, 0xc2e227cb, 0x70747af6, 0xc2dca291, 0x70717a8a, 0xc2d71d7e,
+    0x706e79d9, 0xc2d1988f,
+  0x706b78e3, 0xc2cc13c7, 0x706877a7, 0xc2c68f24, 0x70657626, 0xc2c10aa7,
+    0x70627460, 0xc2bb8650,
+  0x705f7255, 0xc2b6021f, 0x705c7004, 0xc2b07e14, 0x70596d6d, 0xc2aafa2e,
+    0x70566a92, 0xc2a5766e,
+  0x70536771, 0xc29ff2d4, 0x7050640b, 0xc29a6f60, 0x704d6060, 0xc294ec12,
+    0x704a5c6f, 0xc28f68e9,
+  0x70475839, 0xc289e5e7, 0x704453be, 0xc284630a, 0x70414efd, 0xc27ee054,
+    0x703e49f8, 0xc2795dc3,
+  0x703b44ad, 0xc273db58, 0x70383f1d, 0xc26e5913, 0x70353947, 0xc268d6f5,
+    0x7032332d, 0xc26354fc,
+  0x702f2ccd, 0xc25dd329, 0x702c2628, 0xc258517c, 0x70291f3e, 0xc252cff5,
+    0x7026180e, 0xc24d4e95,
+  0x7023109a, 0xc247cd5a, 0x702008e0, 0xc2424c46, 0x701d00e1, 0xc23ccb57,
+    0x7019f89d, 0xc2374a8f,
+  0x7016f014, 0xc231c9ec, 0x7013e746, 0xc22c4970, 0x7010de32, 0xc226c91a,
+    0x700dd4da, 0xc22148ea,
+  0x700acb3c, 0xc21bc8e1, 0x7007c159, 0xc21648fd, 0x7004b731, 0xc210c940,
+    0x7001acc4, 0xc20b49a9,
+  0x6ffea212, 0xc205ca38, 0x6ffb971b, 0xc2004aed, 0x6ff88bde, 0xc1facbc9,
+    0x6ff5805d, 0xc1f54cca,
+  0x6ff27497, 0xc1efcdf3, 0x6fef688b, 0xc1ea4f41, 0x6fec5c3b, 0xc1e4d0b6,
+    0x6fe94fa5, 0xc1df5251,
+  0x6fe642ca, 0xc1d9d412, 0x6fe335ab, 0xc1d455f9, 0x6fe02846, 0xc1ced807,
+    0x6fdd1a9c, 0xc1c95a3c,
+  0x6fda0cae, 0xc1c3dc97, 0x6fd6fe7a, 0xc1be5f18, 0x6fd3f001, 0xc1b8e1bf,
+    0x6fd0e144, 0xc1b3648d,
+  0x6fcdd241, 0xc1ade781, 0x6fcac2fa, 0xc1a86a9c, 0x6fc7b36d, 0xc1a2edde,
+    0x6fc4a39c, 0xc19d7145,
+  0x6fc19385, 0xc197f4d4, 0x6fbe832a, 0xc1927888, 0x6fbb728a, 0xc18cfc63,
+    0x6fb861a4, 0xc1878065,
+  0x6fb5507a, 0xc182048d, 0x6fb23f0b, 0xc17c88dc, 0x6faf2d57, 0xc1770d52,
+    0x6fac1b5f, 0xc17191ee,
+  0x6fa90921, 0xc16c16b0, 0x6fa5f69e, 0xc1669b99, 0x6fa2e3d7, 0xc16120a9,
+    0x6f9fd0cb, 0xc15ba5df,
+  0x6f9cbd79, 0xc1562b3d, 0x6f99a9e3, 0xc150b0c0, 0x6f969608, 0xc14b366b,
+    0x6f9381e9, 0xc145bc3c,
+  0x6f906d84, 0xc1404233, 0x6f8d58db, 0xc13ac852, 0x6f8a43ed, 0xc1354e97,
+    0x6f872eba, 0xc12fd503,
+  0x6f841942, 0xc12a5b95, 0x6f810386, 0xc124e24f, 0x6f7ded84, 0xc11f692f,
+    0x6f7ad73e, 0xc119f036,
+  0x6f77c0b3, 0xc1147764, 0x6f74a9e4, 0xc10efeb8, 0x6f7192cf, 0xc1098634,
+    0x6f6e7b76, 0xc1040dd6,
+  0x6f6b63d8, 0xc0fe959f, 0x6f684bf6, 0xc0f91d8f, 0x6f6533ce, 0xc0f3a5a6,
+    0x6f621b62, 0xc0ee2de3,
+  0x6f5f02b2, 0xc0e8b648, 0x6f5be9bc, 0xc0e33ed4, 0x6f58d082, 0xc0ddc786,
+    0x6f55b703, 0xc0d8505f,
+  0x6f529d40, 0xc0d2d960, 0x6f4f8338, 0xc0cd6287, 0x6f4c68eb, 0xc0c7ebd6,
+    0x6f494e5a, 0xc0c2754b,
+  0x6f463383, 0xc0bcfee7, 0x6f431869, 0xc0b788ab, 0x6f3ffd09, 0xc0b21295,
+    0x6f3ce165, 0xc0ac9ca6,
+  0x6f39c57d, 0xc0a726df, 0x6f36a94f, 0xc0a1b13e, 0x6f338cde, 0xc09c3bc5,
+    0x6f307027, 0xc096c673,
+  0x6f2d532c, 0xc0915148, 0x6f2a35ed, 0xc08bdc44, 0x6f271868, 0xc0866767,
+    0x6f23faa0, 0xc080f2b1,
+  0x6f20dc92, 0xc07b7e23, 0x6f1dbe41, 0xc07609bb, 0x6f1a9faa, 0xc070957b,
+    0x6f1780cf, 0xc06b2162,
+  0x6f1461b0, 0xc065ad70, 0x6f11424c, 0xc06039a6, 0x6f0e22a3, 0xc05ac603,
+    0x6f0b02b6, 0xc0555287,
+  0x6f07e285, 0xc04fdf32, 0x6f04c20f, 0xc04a6c05, 0x6f01a155, 0xc044f8fe,
+    0x6efe8056, 0xc03f8620,
+  0x6efb5f12, 0xc03a1368, 0x6ef83d8a, 0xc034a0d8, 0x6ef51bbe, 0xc02f2e6f,
+    0x6ef1f9ad, 0xc029bc2e,
+  0x6eeed758, 0xc0244a14, 0x6eebb4bf, 0xc01ed821, 0x6ee891e1, 0xc0196656,
+    0x6ee56ebe, 0xc013f4b2,
+  0x6ee24b57, 0xc00e8336, 0x6edf27ac, 0xc00911e1, 0x6edc03bc, 0xc003a0b3,
+    0x6ed8df88, 0xbffe2fad,
+  0x6ed5bb10, 0xbff8bece, 0x6ed29653, 0xbff34e17, 0x6ecf7152, 0xbfeddd88,
+    0x6ecc4c0d, 0xbfe86d20,
+  0x6ec92683, 0xbfe2fcdf, 0x6ec600b5, 0xbfdd8cc6, 0x6ec2daa2, 0xbfd81cd5,
+    0x6ebfb44b, 0xbfd2ad0b,
+  0x6ebc8db0, 0xbfcd3d69, 0x6eb966d1, 0xbfc7cdee, 0x6eb63fad, 0xbfc25e9b,
+    0x6eb31845, 0xbfbcef70,
+  0x6eaff099, 0xbfb7806c, 0x6eacc8a8, 0xbfb21190, 0x6ea9a073, 0xbfaca2dc,
+    0x6ea677fa, 0xbfa7344f,
+  0x6ea34f3d, 0xbfa1c5ea, 0x6ea0263b, 0xbf9c57ac, 0x6e9cfcf5, 0xbf96e997,
+    0x6e99d36b, 0xbf917ba9,
+  0x6e96a99d, 0xbf8c0de3, 0x6e937f8a, 0xbf86a044, 0x6e905534, 0xbf8132ce,
+    0x6e8d2a99, 0xbf7bc57f,
+  0x6e89ffb9, 0xbf765858, 0x6e86d496, 0xbf70eb59, 0x6e83a92f, 0xbf6b7e81,
+    0x6e807d83, 0xbf6611d2,
+  0x6e7d5193, 0xbf60a54a, 0x6e7a255f, 0xbf5b38ea, 0x6e76f8e7, 0xbf55ccb2,
+    0x6e73cc2b, 0xbf5060a2,
+  0x6e709f2a, 0xbf4af4ba, 0x6e6d71e6, 0xbf4588fa, 0x6e6a445d, 0xbf401d61,
+    0x6e671690, 0xbf3ab1f1,
+  0x6e63e87f, 0xbf3546a8, 0x6e60ba2a, 0xbf2fdb88, 0x6e5d8b91, 0xbf2a708f,
+    0x6e5a5cb4, 0xbf2505bf,
+  0x6e572d93, 0xbf1f9b16, 0x6e53fe2e, 0xbf1a3096, 0x6e50ce84, 0xbf14c63d,
+    0x6e4d9e97, 0xbf0f5c0d,
+  0x6e4a6e66, 0xbf09f205, 0x6e473df0, 0xbf048824, 0x6e440d37, 0xbeff1e6c,
+    0x6e40dc39, 0xbef9b4dc,
+  0x6e3daaf8, 0xbef44b74, 0x6e3a7972, 0xbeeee234, 0x6e3747a9, 0xbee9791c,
+    0x6e34159b, 0xbee4102d,
+  0x6e30e34a, 0xbedea765, 0x6e2db0b4, 0xbed93ec6, 0x6e2a7ddb, 0xbed3d64f,
+    0x6e274abe, 0xbece6e00,
+  0x6e24175c, 0xbec905d9, 0x6e20e3b7, 0xbec39ddb, 0x6e1dafce, 0xbebe3605,
+    0x6e1a7ba1, 0xbeb8ce57,
+  0x6e174730, 0xbeb366d1, 0x6e14127b, 0xbeadff74, 0x6e10dd82, 0xbea8983f,
+    0x6e0da845, 0xbea33132,
+  0x6e0a72c5, 0xbe9dca4e, 0x6e073d00, 0xbe986391, 0x6e0406f8, 0xbe92fcfe,
+    0x6e00d0ac, 0xbe8d9692,
+  0x6dfd9a1c, 0xbe88304f, 0x6dfa6348, 0xbe82ca35, 0x6df72c30, 0xbe7d6442,
+    0x6df3f4d4, 0xbe77fe78,
+  0x6df0bd35, 0xbe7298d7, 0x6ded8552, 0xbe6d335e, 0x6dea4d2b, 0xbe67ce0d,
+    0x6de714c0, 0xbe6268e5,
+  0x6de3dc11, 0xbe5d03e6, 0x6de0a31f, 0xbe579f0f, 0x6ddd69e9, 0xbe523a60,
+    0x6dda306f, 0xbe4cd5da,
+  0x6dd6f6b1, 0xbe47717c, 0x6dd3bcaf, 0xbe420d47, 0x6dd0826a, 0xbe3ca93b,
+    0x6dcd47e1, 0xbe374557,
+  0x6dca0d14, 0xbe31e19b, 0x6dc6d204, 0xbe2c7e09, 0x6dc396b0, 0xbe271a9f,
+    0x6dc05b18, 0xbe21b75d,
+  0x6dbd1f3c, 0xbe1c5444, 0x6db9e31d, 0xbe16f154, 0x6db6a6ba, 0xbe118e8c,
+    0x6db36a14, 0xbe0c2bed,
+  0x6db02d29, 0xbe06c977, 0x6daceffb, 0xbe01672a, 0x6da9b28a, 0xbdfc0505,
+    0x6da674d5, 0xbdf6a309,
+  0x6da336dc, 0xbdf14135, 0x6d9ff89f, 0xbdebdf8b, 0x6d9cba1f, 0xbde67e09,
+    0x6d997b5b, 0xbde11cb0,
+  0x6d963c54, 0xbddbbb7f, 0x6d92fd09, 0xbdd65a78, 0x6d8fbd7a, 0xbdd0f999,
+    0x6d8c7da8, 0xbdcb98e3,
+  0x6d893d93, 0xbdc63856, 0x6d85fd39, 0xbdc0d7f2, 0x6d82bc9d, 0xbdbb77b7,
+    0x6d7f7bbc, 0xbdb617a4,
+  0x6d7c3a98, 0xbdb0b7bb, 0x6d78f931, 0xbdab57fa, 0x6d75b786, 0xbda5f862,
+    0x6d727597, 0xbda098f3,
+  0x6d6f3365, 0xbd9b39ad, 0x6d6bf0f0, 0xbd95da91, 0x6d68ae37, 0xbd907b9d,
+    0x6d656b3a, 0xbd8b1cd2,
+  0x6d6227fa, 0xbd85be30, 0x6d5ee477, 0xbd805fb7, 0x6d5ba0b0, 0xbd7b0167,
+    0x6d585ca6, 0xbd75a340,
+  0x6d551858, 0xbd704542, 0x6d51d3c6, 0xbd6ae76d, 0x6d4e8ef2, 0xbd6589c1,
+    0x6d4b49da, 0xbd602c3f,
+  0x6d48047e, 0xbd5acee5, 0x6d44bedf, 0xbd5571b5, 0x6d4178fd, 0xbd5014ad,
+    0x6d3e32d7, 0xbd4ab7cf,
+  0x6d3aec6e, 0xbd455b1a, 0x6d37a5c1, 0xbd3ffe8e, 0x6d345ed1, 0xbd3aa22c,
+    0x6d31179e, 0xbd3545f2,
+  0x6d2dd027, 0xbd2fe9e2, 0x6d2a886e, 0xbd2a8dfb, 0x6d274070, 0xbd25323d,
+    0x6d23f830, 0xbd1fd6a8,
+  0x6d20afac, 0xbd1a7b3d, 0x6d1d66e4, 0xbd151ffb, 0x6d1a1dda, 0xbd0fc4e2,
+    0x6d16d48c, 0xbd0a69f2,
+  0x6d138afb, 0xbd050f2c, 0x6d104126, 0xbcffb48f, 0x6d0cf70f, 0xbcfa5a1b,
+    0x6d09acb4, 0xbcf4ffd1,
+  0x6d066215, 0xbcefa5b0, 0x6d031734, 0xbcea4bb9, 0x6cffcc0f, 0xbce4f1eb,
+    0x6cfc80a7, 0xbcdf9846,
+  0x6cf934fc, 0xbcda3ecb, 0x6cf5e90d, 0xbcd4e579, 0x6cf29cdc, 0xbccf8c50,
+    0x6cef5067, 0xbcca3351,
+  0x6cec03af, 0xbcc4da7b, 0x6ce8b6b4, 0xbcbf81cf, 0x6ce56975, 0xbcba294d,
+    0x6ce21bf4, 0xbcb4d0f4,
+  0x6cdece2f, 0xbcaf78c4, 0x6cdb8027, 0xbcaa20be, 0x6cd831dc, 0xbca4c8e1,
+    0x6cd4e34e, 0xbc9f712e,
+  0x6cd1947c, 0xbc9a19a5, 0x6cce4568, 0xbc94c245, 0x6ccaf610, 0xbc8f6b0f,
+    0x6cc7a676, 0xbc8a1402,
+  0x6cc45698, 0xbc84bd1f, 0x6cc10677, 0xbc7f6665, 0x6cbdb613, 0xbc7a0fd6,
+    0x6cba656c, 0xbc74b96f,
+  0x6cb71482, 0xbc6f6333, 0x6cb3c355, 0xbc6a0d20, 0x6cb071e4, 0xbc64b737,
+    0x6cad2031, 0xbc5f6177,
+  0x6ca9ce3b, 0xbc5a0be2, 0x6ca67c01, 0xbc54b676, 0x6ca32985, 0xbc4f6134,
+    0x6c9fd6c6, 0xbc4a0c1b,
+  0x6c9c83c3, 0xbc44b72c, 0x6c99307e, 0xbc3f6267, 0x6c95dcf6, 0xbc3a0dcc,
+    0x6c92892a, 0xbc34b95b,
+  0x6c8f351c, 0xbc2f6513, 0x6c8be0cb, 0xbc2a10f6, 0x6c888c36, 0xbc24bd02,
+    0x6c85375f, 0xbc1f6938,
+  0x6c81e245, 0xbc1a1598, 0x6c7e8ce8, 0xbc14c221, 0x6c7b3748, 0xbc0f6ed5,
+    0x6c77e165, 0xbc0a1bb3,
+  0x6c748b3f, 0xbc04c8ba, 0x6c7134d7, 0xbbff75ec, 0x6c6dde2b, 0xbbfa2347,
+    0x6c6a873d, 0xbbf4d0cc,
+  0x6c67300b, 0xbbef7e7c, 0x6c63d897, 0xbbea2c55, 0x6c6080e0, 0xbbe4da58,
+    0x6c5d28e6, 0xbbdf8885,
+  0x6c59d0a9, 0xbbda36dd, 0x6c56782a, 0xbbd4e55e, 0x6c531f67, 0xbbcf940a,
+    0x6c4fc662, 0xbbca42df,
+  0x6c4c6d1a, 0xbbc4f1df, 0x6c49138f, 0xbbbfa108, 0x6c45b9c1, 0xbbba505c,
+    0x6c425fb1, 0xbbb4ffda,
+  0x6c3f055d, 0xbbafaf82, 0x6c3baac7, 0xbbaa5f54, 0x6c384fef, 0xbba50f50,
+    0x6c34f4d3, 0xbb9fbf77,
+  0x6c319975, 0xbb9a6fc7, 0x6c2e3dd4, 0xbb952042, 0x6c2ae1f0, 0xbb8fd0e7,
+    0x6c2785ca, 0xbb8a81b6,
+  0x6c242960, 0xbb8532b0, 0x6c20ccb4, 0xbb7fe3d3, 0x6c1d6fc6, 0xbb7a9521,
+    0x6c1a1295, 0xbb754699,
+  0x6c16b521, 0xbb6ff83c, 0x6c13576a, 0xbb6aaa09, 0x6c0ff971, 0xbb655c00,
+    0x6c0c9b35, 0xbb600e21,
+  0x6c093cb6, 0xbb5ac06d, 0x6c05ddf5, 0xbb5572e3, 0x6c027ef1, 0xbb502583,
+    0x6bff1faa, 0xbb4ad84e,
+  0x6bfbc021, 0xbb458b43, 0x6bf86055, 0xbb403e63, 0x6bf50047, 0xbb3af1ad,
+    0x6bf19ff6, 0xbb35a521,
+  0x6bee3f62, 0xbb3058c0, 0x6beade8c, 0xbb2b0c8a, 0x6be77d74, 0xbb25c07d,
+    0x6be41c18, 0xbb20749c,
+  0x6be0ba7b, 0xbb1b28e4, 0x6bdd589a, 0xbb15dd57, 0x6bd9f677, 0xbb1091f5,
+    0x6bd69412, 0xbb0b46bd,
+  0x6bd3316a, 0xbb05fbb0, 0x6bcfce80, 0xbb00b0ce, 0x6bcc6b53, 0xbafb6615,
+    0x6bc907e3, 0xbaf61b88,
+  0x6bc5a431, 0xbaf0d125, 0x6bc2403d, 0xbaeb86ed, 0x6bbedc06, 0xbae63cdf,
+    0x6bbb778d, 0xbae0f2fc,
+  0x6bb812d1, 0xbadba943, 0x6bb4add3, 0xbad65fb5, 0x6bb14892, 0xbad11652,
+    0x6bade30f, 0xbacbcd1a,
+  0x6baa7d49, 0xbac6840c, 0x6ba71741, 0xbac13b29, 0x6ba3b0f7, 0xbabbf270,
+    0x6ba04a6a, 0xbab6a9e3,
+  0x6b9ce39b, 0xbab16180, 0x6b997c8a, 0xbaac1948, 0x6b961536, 0xbaa6d13a,
+    0x6b92ada0, 0xbaa18958,
+  0x6b8f45c7, 0xba9c41a0, 0x6b8bddac, 0xba96fa13, 0x6b88754f, 0xba91b2b1,
+    0x6b850caf, 0xba8c6b79,
+  0x6b81a3cd, 0xba87246d, 0x6b7e3aa9, 0xba81dd8b, 0x6b7ad142, 0xba7c96d4,
+    0x6b776799, 0xba775048,
+  0x6b73fdae, 0xba7209e7, 0x6b709381, 0xba6cc3b1, 0x6b6d2911, 0xba677da6,
+    0x6b69be5f, 0xba6237c5,
+  0x6b66536b, 0xba5cf210, 0x6b62e834, 0xba57ac86, 0x6b5f7cbc, 0xba526726,
+    0x6b5c1101, 0xba4d21f2,
+  0x6b58a503, 0xba47dce8, 0x6b5538c4, 0xba42980a, 0x6b51cc42, 0xba3d5356,
+    0x6b4e5f7f, 0xba380ece,
+  0x6b4af279, 0xba32ca71, 0x6b478530, 0xba2d863e, 0x6b4417a6, 0xba284237,
+    0x6b40a9d9, 0xba22fe5b,
+  0x6b3d3bcb, 0xba1dbaaa, 0x6b39cd7a, 0xba187724, 0x6b365ee7, 0xba1333c9,
+    0x6b32f012, 0xba0df099,
+  0x6b2f80fb, 0xba08ad95, 0x6b2c11a1, 0xba036abb, 0x6b28a206, 0xb9fe280d,
+    0x6b253228, 0xb9f8e58a,
+  0x6b21c208, 0xb9f3a332, 0x6b1e51a7, 0xb9ee6106, 0x6b1ae103, 0xb9e91f04,
+    0x6b17701d, 0xb9e3dd2e,
+  0x6b13fef5, 0xb9de9b83, 0x6b108d8b, 0xb9d95a03, 0x6b0d1bdf, 0xb9d418af,
+    0x6b09a9f1, 0xb9ced786,
+  0x6b0637c1, 0xb9c99688, 0x6b02c54f, 0xb9c455b6, 0x6aff529a, 0xb9bf150e,
+    0x6afbdfa4, 0xb9b9d493,
+  0x6af86c6c, 0xb9b49442, 0x6af4f8f2, 0xb9af541d, 0x6af18536, 0xb9aa1423,
+    0x6aee1138, 0xb9a4d455,
+  0x6aea9cf8, 0xb99f94b2, 0x6ae72876, 0xb99a553a, 0x6ae3b3b2, 0xb99515ee,
+    0x6ae03eac, 0xb98fd6cd,
+  0x6adcc964, 0xb98a97d8, 0x6ad953db, 0xb985590e, 0x6ad5de0f, 0xb9801a70,
+    0x6ad26802, 0xb97adbfd,
+  0x6acef1b2, 0xb9759db6, 0x6acb7b21, 0xb9705f9a, 0x6ac8044e, 0xb96b21aa,
+    0x6ac48d39, 0xb965e3e5,
+  0x6ac115e2, 0xb960a64c, 0x6abd9e49, 0xb95b68de, 0x6aba266e, 0xb9562b9c,
+    0x6ab6ae52, 0xb950ee86,
+  0x6ab335f4, 0xb94bb19b, 0x6aafbd54, 0xb94674dc, 0x6aac4472, 0xb9413848,
+    0x6aa8cb4e, 0xb93bfbe0,
+  0x6aa551e9, 0xb936bfa4, 0x6aa1d841, 0xb9318393, 0x6a9e5e58, 0xb92c47ae,
+    0x6a9ae42e, 0xb9270bf5,
+  0x6a9769c1, 0xb921d067, 0x6a93ef13, 0xb91c9505, 0x6a907423, 0xb91759cf,
+    0x6a8cf8f1, 0xb9121ec5,
+  0x6a897d7d, 0xb90ce3e6, 0x6a8601c8, 0xb907a933, 0x6a8285d1, 0xb9026eac,
+    0x6a7f0999, 0xb8fd3451,
+  0x6a7b8d1e, 0xb8f7fa21, 0x6a781062, 0xb8f2c01d, 0x6a749365, 0xb8ed8646,
+    0x6a711625, 0xb8e84c99,
+  0x6a6d98a4, 0xb8e31319, 0x6a6a1ae2, 0xb8ddd9c5, 0x6a669cdd, 0xb8d8a09d,
+    0x6a631e97, 0xb8d367a0,
+  0x6a5fa010, 0xb8ce2ecf, 0x6a5c2147, 0xb8c8f62b, 0x6a58a23c, 0xb8c3bdb2,
+    0x6a5522ef, 0xb8be8565,
+  0x6a51a361, 0xb8b94d44, 0x6a4e2392, 0xb8b4154f, 0x6a4aa381, 0xb8aedd86,
+    0x6a47232e, 0xb8a9a5e9,
+  0x6a43a29a, 0xb8a46e78, 0x6a4021c4, 0xb89f3733, 0x6a3ca0ad, 0xb89a001a,
+    0x6a391f54, 0xb894c92d,
+  0x6a359db9, 0xb88f926d, 0x6a321bdd, 0xb88a5bd8, 0x6a2e99c0, 0xb885256f,
+    0x6a2b1761, 0xb87fef33,
+  0x6a2794c1, 0xb87ab922, 0x6a2411df, 0xb875833e, 0x6a208ebb, 0xb8704d85,
+    0x6a1d0b57, 0xb86b17f9,
+  0x6a1987b0, 0xb865e299, 0x6a1603c8, 0xb860ad66, 0x6a127f9f, 0xb85b785e,
+    0x6a0efb35, 0xb8564383,
+  0x6a0b7689, 0xb8510ed4, 0x6a07f19b, 0xb84bda51, 0x6a046c6c, 0xb846a5fa,
+    0x6a00e6fc, 0xb84171cf,
+  0x69fd614a, 0xb83c3dd1, 0x69f9db57, 0xb83709ff, 0x69f65523, 0xb831d659,
+    0x69f2cead, 0xb82ca2e0,
+  0x69ef47f6, 0xb8276f93, 0x69ebc0fe, 0xb8223c72, 0x69e839c4, 0xb81d097e,
+    0x69e4b249, 0xb817d6b6,
+  0x69e12a8c, 0xb812a41a, 0x69dda28f, 0xb80d71aa, 0x69da1a50, 0xb8083f67,
+    0x69d691cf, 0xb8030d51,
+  0x69d3090e, 0xb7fddb67, 0x69cf800b, 0xb7f8a9a9, 0x69cbf6c7, 0xb7f37818,
+    0x69c86d41, 0xb7ee46b3,
+  0x69c4e37a, 0xb7e9157a, 0x69c15973, 0xb7e3e46e, 0x69bdcf29, 0xb7deb38f,
+    0x69ba449f, 0xb7d982dc,
+  0x69b6b9d3, 0xb7d45255, 0x69b32ec7, 0xb7cf21fb, 0x69afa378, 0xb7c9f1ce,
+    0x69ac17e9, 0xb7c4c1cd,
+  0x69a88c19, 0xb7bf91f8, 0x69a50007, 0xb7ba6251, 0x69a173b5, 0xb7b532d6,
+    0x699de721, 0xb7b00387,
+  0x699a5a4c, 0xb7aad465, 0x6996cd35, 0xb7a5a570, 0x69933fde, 0xb7a076a7,
+    0x698fb246, 0xb79b480b,
+  0x698c246c, 0xb796199b, 0x69889651, 0xb790eb58, 0x698507f6, 0xb78bbd42,
+    0x69817959, 0xb7868f59,
+  0x697dea7b, 0xb781619c, 0x697a5b5c, 0xb77c340c, 0x6976cbfc, 0xb77706a9,
+    0x69733c5b, 0xb771d972,
+  0x696fac78, 0xb76cac69, 0x696c1c55, 0xb7677f8c, 0x69688bf1, 0xb76252db,
+    0x6964fb4c, 0xb75d2658,
+  0x69616a65, 0xb757fa01, 0x695dd93e, 0xb752cdd8, 0x695a47d6, 0xb74da1db,
+    0x6956b62d, 0xb748760b,
+  0x69532442, 0xb7434a67, 0x694f9217, 0xb73e1ef1, 0x694bffab, 0xb738f3a7,
+    0x69486cfe, 0xb733c88b,
+  0x6944da10, 0xb72e9d9b, 0x694146e1, 0xb72972d8, 0x693db371, 0xb7244842,
+    0x693a1fc0, 0xb71f1dd9,
+  0x69368bce, 0xb719f39e, 0x6932f79b, 0xb714c98e, 0x692f6328, 0xb70f9fac,
+    0x692bce73, 0xb70a75f7,
+  0x6928397e, 0xb7054c6f, 0x6924a448, 0xb7002314, 0x69210ed1, 0xb6faf9e6,
+    0x691d7919, 0xb6f5d0e5,
+  0x6919e320, 0xb6f0a812, 0x69164ce7, 0xb6eb7f6b, 0x6912b66c, 0xb6e656f1,
+    0x690f1fb1, 0xb6e12ea4,
+  0x690b88b5, 0xb6dc0685, 0x6907f178, 0xb6d6de92, 0x690459fb, 0xb6d1b6cd,
+    0x6900c23c, 0xb6cc8f35,
+  0x68fd2a3d, 0xb6c767ca, 0x68f991fd, 0xb6c2408c, 0x68f5f97d, 0xb6bd197c,
+    0x68f260bb, 0xb6b7f298,
+  0x68eec7b9, 0xb6b2cbe2, 0x68eb2e76, 0xb6ada559, 0x68e794f3, 0xb6a87efd,
+    0x68e3fb2e, 0xb6a358ce,
+  0x68e06129, 0xb69e32cd, 0x68dcc6e4, 0xb6990cf9, 0x68d92c5d, 0xb693e752,
+    0x68d59196, 0xb68ec1d9,
+  0x68d1f68f, 0xb6899c8d, 0x68ce5b46, 0xb684776e, 0x68cabfbd, 0xb67f527c,
+    0x68c723f3, 0xb67a2db8,
+  0x68c387e9, 0xb6750921, 0x68bfeb9e, 0xb66fe4b8, 0x68bc4f13, 0xb66ac07c,
+    0x68b8b247, 0xb6659c6d,
+  0x68b5153a, 0xb660788c, 0x68b177ed, 0xb65b54d8, 0x68adda5f, 0xb6563151,
+    0x68aa3c90, 0xb6510df8,
+  0x68a69e81, 0xb64beacd, 0x68a30031, 0xb646c7ce, 0x689f61a1, 0xb641a4fe,
+    0x689bc2d1, 0xb63c825b,
+  0x689823bf, 0xb6375fe5, 0x6894846e, 0xb6323d9d, 0x6890e4dc, 0xb62d1b82,
+    0x688d4509, 0xb627f995,
+  0x6889a4f6, 0xb622d7d6, 0x688604a2, 0xb61db644, 0x6882640e, 0xb61894df,
+    0x687ec339, 0xb61373a9,
+  0x687b2224, 0xb60e529f, 0x687780ce, 0xb60931c4, 0x6873df38, 0xb6041116,
+    0x68703d62, 0xb5fef095,
+  0x686c9b4b, 0xb5f9d043, 0x6868f8f4, 0xb5f4b01e, 0x6865565c, 0xb5ef9026,
+    0x6861b384, 0xb5ea705d,
+  0x685e106c, 0xb5e550c1, 0x685a6d13, 0xb5e03153, 0x6856c979, 0xb5db1212,
+    0x685325a0, 0xb5d5f2ff,
+  0x684f8186, 0xb5d0d41a, 0x684bdd2c, 0xb5cbb563, 0x68483891, 0xb5c696da,
+    0x684493b6, 0xb5c1787e,
+  0x6840ee9b, 0xb5bc5a50, 0x683d493f, 0xb5b73c50, 0x6839a3a4, 0xb5b21e7e,
+    0x6835fdc7, 0xb5ad00d9,
+  0x683257ab, 0xb5a7e362, 0x682eb14e, 0xb5a2c61a, 0x682b0ab1, 0xb59da8ff,
+    0x682763d4, 0xb5988c12,
+  0x6823bcb7, 0xb5936f53, 0x68201559, 0xb58e52c2, 0x681c6dbb, 0xb589365e,
+    0x6818c5dd, 0xb5841a29,
+  0x68151dbe, 0xb57efe22, 0x68117560, 0xb579e248, 0x680dccc1, 0xb574c69d,
+    0x680a23e2, 0xb56fab1f,
+  0x68067ac3, 0xb56a8fd0, 0x6802d164, 0xb56574ae, 0x67ff27c4, 0xb56059bb,
+    0x67fb7de5, 0xb55b3ef5,
+  0x67f7d3c5, 0xb556245e, 0x67f42965, 0xb55109f5, 0x67f07ec5, 0xb54befba,
+    0x67ecd3e5, 0xb546d5ac,
+  0x67e928c5, 0xb541bbcd, 0x67e57d64, 0xb53ca21c, 0x67e1d1c4, 0xb5378899,
+    0x67de25e3, 0xb5326f45,
+  0x67da79c3, 0xb52d561e, 0x67d6cd62, 0xb5283d26, 0x67d320c1, 0xb523245b,
+    0x67cf73e1, 0xb51e0bbf,
+  0x67cbc6c0, 0xb518f351, 0x67c8195f, 0xb513db12, 0x67c46bbe, 0xb50ec300,
+    0x67c0bddd, 0xb509ab1d,
+  0x67bd0fbd, 0xb5049368, 0x67b9615c, 0xb4ff7be1, 0x67b5b2bb, 0xb4fa6489,
+    0x67b203da, 0xb4f54d5f,
+  0x67ae54ba, 0xb4f03663, 0x67aaa559, 0xb4eb1f95, 0x67a6f5b8, 0xb4e608f6,
+    0x67a345d8, 0xb4e0f285,
+  0x679f95b7, 0xb4dbdc42, 0x679be557, 0xb4d6c62e, 0x679834b6, 0xb4d1b048,
+    0x679483d6, 0xb4cc9a90,
+  0x6790d2b6, 0xb4c78507, 0x678d2156, 0xb4c26fad, 0x67896fb6, 0xb4bd5a80,
+    0x6785bdd6, 0xb4b84582,
+  0x67820bb7, 0xb4b330b3, 0x677e5957, 0xb4ae1c12, 0x677aa6b8, 0xb4a9079f,
+    0x6776f3d9, 0xb4a3f35b,
+  0x677340ba, 0xb49edf45, 0x676f8d5b, 0xb499cb5e, 0x676bd9bd, 0xb494b7a6,
+    0x676825de, 0xb48fa41c,
+  0x676471c0, 0xb48a90c0, 0x6760bd62, 0xb4857d93, 0x675d08c4, 0xb4806a95,
+    0x675953e7, 0xb47b57c5,
+  0x67559eca, 0xb4764523, 0x6751e96d, 0xb47132b1, 0x674e33d0, 0xb46c206d,
+    0x674a7df4, 0xb4670e57,
+  0x6746c7d8, 0xb461fc70, 0x6743117c, 0xb45ceab8, 0x673f5ae0, 0xb457d92f,
+    0x673ba405, 0xb452c7d4,
+  0x6737ecea, 0xb44db6a8, 0x67343590, 0xb448a5aa, 0x67307df5, 0xb44394db,
+    0x672cc61c, 0xb43e843b,
+  0x67290e02, 0xb43973ca, 0x672555a9, 0xb4346387, 0x67219d10, 0xb42f5373,
+    0x671de438, 0xb42a438e,
+  0x671a2b20, 0xb42533d8, 0x671671c8, 0xb4202451, 0x6712b831, 0xb41b14f8,
+    0x670efe5a, 0xb41605ce,
+  0x670b4444, 0xb410f6d3, 0x670789ee, 0xb40be807, 0x6703cf58, 0xb406d969,
+    0x67001483, 0xb401cafb,
+  0x66fc596f, 0xb3fcbcbb, 0x66f89e1b, 0xb3f7aeaa, 0x66f4e287, 0xb3f2a0c9,
+    0x66f126b4, 0xb3ed9316,
+  0x66ed6aa1, 0xb3e88592, 0x66e9ae4f, 0xb3e3783d, 0x66e5f1be, 0xb3de6b17,
+    0x66e234ed, 0xb3d95e1f,
+  0x66de77dc, 0xb3d45157, 0x66daba8c, 0xb3cf44be, 0x66d6fcfd, 0xb3ca3854,
+    0x66d33f2e, 0xb3c52c19,
+  0x66cf8120, 0xb3c0200c, 0x66cbc2d2, 0xb3bb142f, 0x66c80445, 0xb3b60881,
+    0x66c44579, 0xb3b0fd02,
+  0x66c0866d, 0xb3abf1b2, 0x66bcc721, 0xb3a6e691, 0x66b90797, 0xb3a1dba0,
+    0x66b547cd, 0xb39cd0dd,
+  0x66b187c3, 0xb397c649, 0x66adc77b, 0xb392bbe5, 0x66aa06f3, 0xb38db1b0,
+    0x66a6462b, 0xb388a7aa,
+  0x66a28524, 0xb3839dd3, 0x669ec3de, 0xb37e942b, 0x669b0259, 0xb3798ab2,
+    0x66974095, 0xb3748169,
+  0x66937e91, 0xb36f784f, 0x668fbc4e, 0xb36a6f64, 0x668bf9cb, 0xb36566a8,
+    0x66883709, 0xb3605e1c,
+  0x66847408, 0xb35b55bf, 0x6680b0c8, 0xb3564d91, 0x667ced49, 0xb3514592,
+    0x6679298a, 0xb34c3dc3,
+  0x6675658c, 0xb3473623, 0x6671a14f, 0xb3422eb2, 0x666ddcd3, 0xb33d2771,
+    0x666a1818, 0xb338205f,
+  0x6666531d, 0xb333197c, 0x66628de4, 0xb32e12c9, 0x665ec86b, 0xb3290c45,
+    0x665b02b3, 0xb32405f1,
+  0x66573cbb, 0xb31effcc, 0x66537685, 0xb319f9d6, 0x664fb010, 0xb314f410,
+    0x664be95b, 0xb30fee79,
+  0x66482267, 0xb30ae912, 0x66445b35, 0xb305e3da, 0x664093c3, 0xb300ded2,
+    0x663ccc12, 0xb2fbd9f9,
+  0x66390422, 0xb2f6d550, 0x66353bf3, 0xb2f1d0d6, 0x66317385, 0xb2eccc8c,
+    0x662daad8, 0xb2e7c871,
+  0x6629e1ec, 0xb2e2c486, 0x662618c1, 0xb2ddc0ca, 0x66224f56, 0xb2d8bd3e,
+    0x661e85ad, 0xb2d3b9e2,
+  0x661abbc5, 0xb2ceb6b5, 0x6616f19e, 0xb2c9b3b8, 0x66132738, 0xb2c4b0ea,
+    0x660f5c93, 0xb2bfae4c,
+  0x660b91af, 0xb2baabde, 0x6607c68c, 0xb2b5a99f, 0x6603fb2a, 0xb2b0a790,
+    0x66002f89, 0xb2aba5b1,
+  0x65fc63a9, 0xb2a6a402, 0x65f8978b, 0xb2a1a282, 0x65f4cb2d, 0xb29ca132,
+    0x65f0fe91, 0xb297a011,
+  0x65ed31b5, 0xb2929f21, 0x65e9649b, 0xb28d9e60, 0x65e59742, 0xb2889dcf,
+    0x65e1c9aa, 0xb2839d6d,
+  0x65ddfbd3, 0xb27e9d3c, 0x65da2dbd, 0xb2799d3a, 0x65d65f69, 0xb2749d68,
+    0x65d290d6, 0xb26f9dc6,
+  0x65cec204, 0xb26a9e54, 0x65caf2f3, 0xb2659f12, 0x65c723a3, 0xb2609fff,
+    0x65c35415, 0xb25ba11d,
+  0x65bf8447, 0xb256a26a, 0x65bbb43b, 0xb251a3e7, 0x65b7e3f1, 0xb24ca594,
+    0x65b41367, 0xb247a771,
+  0x65b0429f, 0xb242a97e, 0x65ac7198, 0xb23dabbb, 0x65a8a052, 0xb238ae28,
+    0x65a4cece, 0xb233b0c5,
+  0x65a0fd0b, 0xb22eb392, 0x659d2b09, 0xb229b68f, 0x659958c9, 0xb224b9bc,
+    0x6595864a, 0xb21fbd19,
+  0x6591b38c, 0xb21ac0a6, 0x658de08f, 0xb215c463, 0x658a0d54, 0xb210c850,
+    0x658639db, 0xb20bcc6d,
+  0x65826622, 0xb206d0ba, 0x657e922b, 0xb201d537, 0x657abdf6, 0xb1fcd9e5,
+    0x6576e982, 0xb1f7dec2,
+  0x657314cf, 0xb1f2e3d0, 0x656f3fde, 0xb1ede90e, 0x656b6aae, 0xb1e8ee7c,
+    0x6567953f, 0xb1e3f41a,
+  0x6563bf92, 0xb1def9e9, 0x655fe9a7, 0xb1d9ffe7, 0x655c137d, 0xb1d50616,
+    0x65583d14, 0xb1d00c75,
+  0x6554666d, 0xb1cb1304, 0x65508f87, 0xb1c619c3, 0x654cb863, 0xb1c120b3,
+    0x6548e101, 0xb1bc27d3,
+  0x6545095f, 0xb1b72f23, 0x65413180, 0xb1b236a4, 0x653d5962, 0xb1ad3e55,
+    0x65398105, 0xb1a84636,
+  0x6535a86b, 0xb1a34e47, 0x6531cf91, 0xb19e5689, 0x652df679, 0xb1995efb,
+    0x652a1d23, 0xb194679e,
+  0x6526438f, 0xb18f7071, 0x652269bc, 0xb18a7974, 0x651e8faa, 0xb18582a8,
+    0x651ab55b, 0xb1808c0c,
+  0x6516dacd, 0xb17b95a0, 0x65130000, 0xb1769f65, 0x650f24f5, 0xb171a95b,
+    0x650b49ac, 0xb16cb380,
+  0x65076e25, 0xb167bdd7, 0x6503925f, 0xb162c85d, 0x64ffb65b, 0xb15dd315,
+    0x64fbda18, 0xb158ddfd,
+  0x64f7fd98, 0xb153e915, 0x64f420d9, 0xb14ef45e, 0x64f043dc, 0xb149ffd7,
+    0x64ec66a0, 0xb1450b81,
+  0x64e88926, 0xb140175b, 0x64e4ab6e, 0xb13b2367, 0x64e0cd78, 0xb1362fa2,
+    0x64dcef44, 0xb1313c0e,
+  0x64d910d1, 0xb12c48ab, 0x64d53220, 0xb1275579, 0x64d15331, 0xb1226277,
+    0x64cd7404, 0xb11d6fa6,
+  0x64c99498, 0xb1187d05, 0x64c5b4ef, 0xb1138a95, 0x64c1d507, 0xb10e9856,
+    0x64bdf4e1, 0xb109a648,
+  0x64ba147d, 0xb104b46a, 0x64b633da, 0xb0ffc2bd, 0x64b252fa, 0xb0fad140,
+    0x64ae71dc, 0xb0f5dff5,
+  0x64aa907f, 0xb0f0eeda, 0x64a6aee4, 0xb0ebfdf0, 0x64a2cd0c, 0xb0e70d37,
+    0x649eeaf5, 0xb0e21cae,
+  0x649b08a0, 0xb0dd2c56, 0x6497260d, 0xb0d83c2f, 0x6493433c, 0xb0d34c39,
+    0x648f602d, 0xb0ce5c74,
+  0x648b7ce0, 0xb0c96ce0, 0x64879955, 0xb0c47d7c, 0x6483b58c, 0xb0bf8e4a,
+    0x647fd185, 0xb0ba9f48,
+  0x647bed3f, 0xb0b5b077, 0x647808bc, 0xb0b0c1d7, 0x647423fb, 0xb0abd368,
+    0x64703efc, 0xb0a6e52a,
+  0x646c59bf, 0xb0a1f71d, 0x64687444, 0xb09d0941, 0x64648e8c, 0xb0981b96,
+    0x6460a895, 0xb0932e1b,
+  0x645cc260, 0xb08e40d2, 0x6458dbed, 0xb08953ba, 0x6454f53d, 0xb08466d3,
+    0x64510e4e, 0xb07f7a1c,
+  0x644d2722, 0xb07a8d97, 0x64493fb8, 0xb075a143, 0x64455810, 0xb070b520,
+    0x6441702a, 0xb06bc92e,
+  0x643d8806, 0xb066dd6d, 0x64399fa5, 0xb061f1de, 0x6435b706, 0xb05d067f,
+    0x6431ce28, 0xb0581b51,
+  0x642de50d, 0xb0533055, 0x6429fbb5, 0xb04e458a, 0x6426121e, 0xb0495af0,
+    0x6422284a, 0xb0447087,
+  0x641e3e38, 0xb03f864f, 0x641a53e8, 0xb03a9c49, 0x6416695a, 0xb035b273,
+    0x64127e8f, 0xb030c8cf,
+  0x640e9386, 0xb02bdf5c, 0x640aa83f, 0xb026f61b, 0x6406bcba, 0xb0220d0a,
+    0x6402d0f8, 0xb01d242b,
+  0x63fee4f8, 0xb0183b7d, 0x63faf8bb, 0xb0135301, 0x63f70c3f, 0xb00e6ab5,
+    0x63f31f86, 0xb009829c,
+  0x63ef3290, 0xb0049ab3, 0x63eb455c, 0xafffb2fc, 0x63e757ea, 0xaffacb76,
+    0x63e36a3a, 0xaff5e421,
+  0x63df7c4d, 0xaff0fcfe, 0x63db8e22, 0xafec160c, 0x63d79fba, 0xafe72f4c,
+    0x63d3b114, 0xafe248bd,
+  0x63cfc231, 0xafdd625f, 0x63cbd310, 0xafd87c33, 0x63c7e3b1, 0xafd39638,
+    0x63c3f415, 0xafceb06f,
+  0x63c0043b, 0xafc9cad7, 0x63bc1424, 0xafc4e571, 0x63b823cf, 0xafc0003c,
+    0x63b4333d, 0xafbb1b39,
+  0x63b0426d, 0xafb63667, 0x63ac5160, 0xafb151c7, 0x63a86015, 0xafac6d58,
+    0x63a46e8d, 0xafa7891b,
+  0x63a07cc7, 0xafa2a50f, 0x639c8ac4, 0xaf9dc135, 0x63989884, 0xaf98dd8d,
+    0x6394a606, 0xaf93fa16,
+  0x6390b34a, 0xaf8f16d1, 0x638cc051, 0xaf8a33bd, 0x6388cd1b, 0xaf8550db,
+    0x6384d9a7, 0xaf806e2b,
+  0x6380e5f6, 0xaf7b8bac, 0x637cf208, 0xaf76a95f, 0x6378fddc, 0xaf71c743,
+    0x63750973, 0xaf6ce55a,
+  0x637114cc, 0xaf6803a2, 0x636d1fe9, 0xaf63221c, 0x63692ac7, 0xaf5e40c7,
+    0x63653569, 0xaf595fa4,
+  0x63613fcd, 0xaf547eb3, 0x635d49f4, 0xaf4f9df4, 0x635953dd, 0xaf4abd66,
+    0x63555d8a, 0xaf45dd0b,
+  0x635166f9, 0xaf40fce1, 0x634d702b, 0xaf3c1ce9, 0x6349791f, 0xaf373d22,
+    0x634581d6, 0xaf325d8e,
+  0x63418a50, 0xaf2d7e2b, 0x633d928d, 0xaf289efa, 0x63399a8d, 0xaf23bffb,
+    0x6335a24f, 0xaf1ee12e,
+  0x6331a9d4, 0xaf1a0293, 0x632db11c, 0xaf15242a, 0x6329b827, 0xaf1045f3,
+    0x6325bef5, 0xaf0b67ed,
+  0x6321c585, 0xaf068a1a, 0x631dcbd9, 0xaf01ac78, 0x6319d1ef, 0xaefccf09,
+    0x6315d7c8, 0xaef7f1cb,
+  0x6311dd64, 0xaef314c0, 0x630de2c3, 0xaeee37e6, 0x6309e7e4, 0xaee95b3f,
+    0x6305ecc9, 0xaee47ec9,
+  0x6301f171, 0xaedfa285, 0x62fdf5db, 0xaedac674, 0x62f9fa09, 0xaed5ea95,
+    0x62f5fdf9, 0xaed10ee7,
+  0x62f201ac, 0xaecc336c, 0x62ee0523, 0xaec75823, 0x62ea085c, 0xaec27d0c,
+    0x62e60b58, 0xaebda227,
+  0x62e20e17, 0xaeb8c774, 0x62de109a, 0xaeb3ecf3, 0x62da12df, 0xaeaf12a4,
+    0x62d614e7, 0xaeaa3888,
+  0x62d216b3, 0xaea55e9e, 0x62ce1841, 0xaea084e6, 0x62ca1992, 0xae9bab60,
+    0x62c61aa7, 0xae96d20c,
+  0x62c21b7e, 0xae91f8eb, 0x62be1c19, 0xae8d1ffb, 0x62ba1c77, 0xae88473e,
+    0x62b61c98, 0xae836eb4,
+  0x62b21c7b, 0xae7e965b, 0x62ae1c23, 0xae79be35, 0x62aa1b8d, 0xae74e641,
+    0x62a61aba, 0xae700e80,
+  0x62a219aa, 0xae6b36f0, 0x629e185e, 0xae665f93, 0x629a16d5, 0xae618869,
+    0x6296150f, 0xae5cb171,
+  0x6292130c, 0xae57daab, 0x628e10cc, 0xae530417, 0x628a0e50, 0xae4e2db6,
+    0x62860b97, 0xae495787,
+  0x628208a1, 0xae44818b, 0x627e056e, 0xae3fabc1, 0x627a01fe, 0xae3ad629,
+    0x6275fe52, 0xae3600c4,
+  0x6271fa69, 0xae312b92, 0x626df643, 0xae2c5691, 0x6269f1e1, 0xae2781c4,
+    0x6265ed42, 0xae22ad29,
+  0x6261e866, 0xae1dd8c0, 0x625de34e, 0xae19048a, 0x6259ddf8, 0xae143086,
+    0x6255d866, 0xae0f5cb5,
+  0x6251d298, 0xae0a8916, 0x624dcc8d, 0xae05b5aa, 0x6249c645, 0xae00e271,
+    0x6245bfc0, 0xadfc0f6a,
+  0x6241b8ff, 0xadf73c96, 0x623db202, 0xadf269f4, 0x6239aac7, 0xaded9785,
+    0x6235a351, 0xade8c548,
+  0x62319b9d, 0xade3f33e, 0x622d93ad, 0xaddf2167, 0x62298b81, 0xadda4fc3,
+    0x62258317, 0xadd57e51,
+  0x62217a72, 0xadd0ad12, 0x621d7190, 0xadcbdc05, 0x62196871, 0xadc70b2c,
+    0x62155f16, 0xadc23a85,
+  0x6211557e, 0xadbd6a10, 0x620d4baa, 0xadb899cf, 0x62094199, 0xadb3c9c0,
+    0x6205374c, 0xadaef9e4,
+  0x62012cc2, 0xadaa2a3b, 0x61fd21fc, 0xada55ac4, 0x61f916f9, 0xada08b80,
+    0x61f50bba, 0xad9bbc70,
+  0x61f1003f, 0xad96ed92, 0x61ecf487, 0xad921ee6, 0x61e8e893, 0xad8d506e,
+    0x61e4dc62, 0xad888229,
+  0x61e0cff5, 0xad83b416, 0x61dcc34c, 0xad7ee636, 0x61d8b666, 0xad7a1889,
+    0x61d4a944, 0xad754b0f,
+  0x61d09be5, 0xad707dc8, 0x61cc8e4b, 0xad6bb0b4, 0x61c88074, 0xad66e3d3,
+    0x61c47260, 0xad621725,
+  0x61c06410, 0xad5d4aaa, 0x61bc5584, 0xad587e61, 0x61b846bc, 0xad53b24c,
+    0x61b437b7, 0xad4ee66a,
+  0x61b02876, 0xad4a1aba, 0x61ac18f9, 0xad454f3e, 0x61a80940, 0xad4083f5,
+    0x61a3f94a, 0xad3bb8df,
+  0x619fe918, 0xad36edfc, 0x619bd8aa, 0xad32234b, 0x6197c800, 0xad2d58ce,
+    0x6193b719, 0xad288e85,
+  0x618fa5f7, 0xad23c46e, 0x618b9498, 0xad1efa8a, 0x618782fd, 0xad1a30d9,
+    0x61837126, 0xad15675c,
+  0x617f5f12, 0xad109e12, 0x617b4cc3, 0xad0bd4fb, 0x61773a37, 0xad070c17,
+    0x61732770, 0xad024366,
+  0x616f146c, 0xacfd7ae8, 0x616b012c, 0xacf8b29e, 0x6166edb0, 0xacf3ea87,
+    0x6162d9f8, 0xacef22a3,
+  0x615ec603, 0xacea5af2, 0x615ab1d3, 0xace59375, 0x61569d67, 0xace0cc2b,
+    0x615288be, 0xacdc0514,
+  0x614e73da, 0xacd73e30, 0x614a5eba, 0xacd27780, 0x6146495d, 0xaccdb103,
+    0x614233c5, 0xacc8eab9,
+  0x613e1df0, 0xacc424a3, 0x613a07e0, 0xacbf5ec0, 0x6135f193, 0xacba9910,
+    0x6131db0b, 0xacb5d394,
+  0x612dc447, 0xacb10e4b, 0x6129ad46, 0xacac4935, 0x6125960a, 0xaca78453,
+    0x61217e92, 0xaca2bfa4,
+  0x611d66de, 0xac9dfb29, 0x61194eee, 0xac9936e1, 0x611536c2, 0xac9472cd,
+    0x61111e5b, 0xac8faeec,
+  0x610d05b7, 0xac8aeb3e, 0x6108ecd8, 0xac8627c4, 0x6104d3bc, 0xac81647e,
+    0x6100ba65, 0xac7ca16b,
+  0x60fca0d2, 0xac77de8b, 0x60f88703, 0xac731bdf, 0x60f46cf9, 0xac6e5967,
+    0x60f052b2, 0xac699722,
+  0x60ec3830, 0xac64d510, 0x60e81d72, 0xac601333, 0x60e40278, 0xac5b5189,
+    0x60dfe743, 0xac569012,
+  0x60dbcbd1, 0xac51cecf, 0x60d7b024, 0xac4d0dc0, 0x60d3943b, 0xac484ce4,
+    0x60cf7817, 0xac438c3c,
+  0x60cb5bb7, 0xac3ecbc7, 0x60c73f1b, 0xac3a0b87, 0x60c32243, 0xac354b7a,
+    0x60bf0530, 0xac308ba0,
+  0x60bae7e1, 0xac2bcbfa, 0x60b6ca56, 0xac270c88, 0x60b2ac8f, 0xac224d4a,
+    0x60ae8e8d, 0xac1d8e40,
+  0x60aa7050, 0xac18cf69, 0x60a651d7, 0xac1410c6, 0x60a23322, 0xac0f5256,
+    0x609e1431, 0xac0a941b,
+  0x6099f505, 0xac05d613, 0x6095d59d, 0xac01183f, 0x6091b5fa, 0xabfc5a9f,
+    0x608d961b, 0xabf79d33,
+  0x60897601, 0xabf2dffb, 0x608555ab, 0xabee22f6, 0x60813519, 0xabe96625,
+    0x607d144c, 0xabe4a988,
+  0x6078f344, 0xabdfed1f, 0x6074d200, 0xabdb30ea, 0x6070b080, 0xabd674e9,
+    0x606c8ec5, 0xabd1b91c,
+  0x60686ccf, 0xabccfd83, 0x60644a9d, 0xabc8421d, 0x6060282f, 0xabc386ec,
+    0x605c0587, 0xabbecbee,
+  0x6057e2a2, 0xabba1125, 0x6053bf82, 0xabb5568f, 0x604f9c27, 0xabb09c2e,
+    0x604b7891, 0xababe200,
+  0x604754bf, 0xaba72807, 0x604330b1, 0xaba26e41, 0x603f0c69, 0xab9db4b0,
+    0x603ae7e5, 0xab98fb52,
+  0x6036c325, 0xab944229, 0x60329e2a, 0xab8f8934, 0x602e78f4, 0xab8ad073,
+    0x602a5383, 0xab8617e6,
+  0x60262dd6, 0xab815f8d, 0x602207ee, 0xab7ca768, 0x601de1ca, 0xab77ef77,
+    0x6019bb6b, 0xab7337bb,
+  0x601594d1, 0xab6e8032, 0x60116dfc, 0xab69c8de, 0x600d46ec, 0xab6511be,
+    0x60091fa0, 0xab605ad2,
+  0x6004f819, 0xab5ba41a, 0x6000d057, 0xab56ed97, 0x5ffca859, 0xab523748,
+    0x5ff88021, 0xab4d812d,
+  0x5ff457ad, 0xab48cb46, 0x5ff02efe, 0xab441593, 0x5fec0613, 0xab3f6015,
+    0x5fe7dcee, 0xab3aaacb,
+  0x5fe3b38d, 0xab35f5b5, 0x5fdf89f2, 0xab3140d4, 0x5fdb601b, 0xab2c8c27,
+    0x5fd73609, 0xab27d7ae,
+  0x5fd30bbc, 0xab23236a, 0x5fcee133, 0xab1e6f5a, 0x5fcab670, 0xab19bb7e,
+    0x5fc68b72, 0xab1507d7,
+  0x5fc26038, 0xab105464, 0x5fbe34c4, 0xab0ba125, 0x5fba0914, 0xab06ee1b,
+    0x5fb5dd29, 0xab023b46,
+  0x5fb1b104, 0xaafd88a4, 0x5fad84a3, 0xaaf8d637, 0x5fa95807, 0xaaf423ff,
+    0x5fa52b31, 0xaaef71fb,
+  0x5fa0fe1f, 0xaaeac02c, 0x5f9cd0d2, 0xaae60e91, 0x5f98a34a, 0xaae15d2a,
+    0x5f947588, 0xaadcabf8,
+  0x5f90478a, 0xaad7fafb, 0x5f8c1951, 0xaad34a32, 0x5f87eade, 0xaace999d,
+    0x5f83bc2f, 0xaac9e93e,
+  0x5f7f8d46, 0xaac53912, 0x5f7b5e22, 0xaac0891c, 0x5f772ec2, 0xaabbd959,
+    0x5f72ff28, 0xaab729cc,
+  0x5f6ecf53, 0xaab27a73, 0x5f6a9f44, 0xaaadcb4f, 0x5f666ef9, 0xaaa91c5f,
+    0x5f623e73, 0xaaa46da4,
+  0x5f5e0db3, 0xaa9fbf1e, 0x5f59dcb8, 0xaa9b10cc, 0x5f55ab82, 0xaa9662af,
+    0x5f517a11, 0xaa91b4c7,
+  0x5f4d4865, 0xaa8d0713, 0x5f49167f, 0xaa885994, 0x5f44e45e, 0xaa83ac4a,
+    0x5f40b202, 0xaa7eff34,
+  0x5f3c7f6b, 0xaa7a5253, 0x5f384c9a, 0xaa75a5a8, 0x5f34198e, 0xaa70f930,
+    0x5f2fe647, 0xaa6c4cee,
+  0x5f2bb2c5, 0xaa67a0e0, 0x5f277f09, 0xaa62f507, 0x5f234b12, 0xaa5e4963,
+    0x5f1f16e0, 0xaa599df4,
+  0x5f1ae274, 0xaa54f2ba, 0x5f16adcc, 0xaa5047b4, 0x5f1278eb, 0xaa4b9ce3,
+    0x5f0e43ce, 0xaa46f248,
+  0x5f0a0e77, 0xaa4247e1, 0x5f05d8e6, 0xaa3d9daf, 0x5f01a31a, 0xaa38f3b1,
+    0x5efd6d13, 0xaa3449e9,
+  0x5ef936d1, 0xaa2fa056, 0x5ef50055, 0xaa2af6f7, 0x5ef0c99f, 0xaa264dce,
+    0x5eec92ae, 0xaa21a4d9,
+  0x5ee85b82, 0xaa1cfc1a, 0x5ee4241c, 0xaa18538f, 0x5edfec7b, 0xaa13ab3a,
+    0x5edbb49f, 0xaa0f0319,
+  0x5ed77c8a, 0xaa0a5b2e, 0x5ed34439, 0xaa05b377, 0x5ecf0baf, 0xaa010bf6,
+    0x5ecad2e9, 0xa9fc64a9,
+  0x5ec699e9, 0xa9f7bd92, 0x5ec260af, 0xa9f316b0, 0x5ebe273b, 0xa9ee7002,
+    0x5eb9ed8b, 0xa9e9c98a,
+  0x5eb5b3a2, 0xa9e52347, 0x5eb1797e, 0xa9e07d39, 0x5ead3f1f, 0xa9dbd761,
+    0x5ea90487, 0xa9d731bd,
+  0x5ea4c9b3, 0xa9d28c4e, 0x5ea08ea6, 0xa9cde715, 0x5e9c535e, 0xa9c94211,
+    0x5e9817dc, 0xa9c49d42,
+  0x5e93dc1f, 0xa9bff8a8, 0x5e8fa028, 0xa9bb5444, 0x5e8b63f7, 0xa9b6b014,
+    0x5e87278b, 0xa9b20c1a,
+  0x5e82eae5, 0xa9ad6855, 0x5e7eae05, 0xa9a8c4c5, 0x5e7a70ea, 0xa9a4216b,
+    0x5e763395, 0xa99f7e46,
+  0x5e71f606, 0xa99adb56, 0x5e6db83d, 0xa996389b, 0x5e697a39, 0xa9919616,
+    0x5e653bfc, 0xa98cf3c6,
+  0x5e60fd84, 0xa98851ac, 0x5e5cbed1, 0xa983afc6, 0x5e587fe5, 0xa97f0e16,
+    0x5e5440be, 0xa97a6c9c,
+  0x5e50015d, 0xa975cb57, 0x5e4bc1c2, 0xa9712a47, 0x5e4781ed, 0xa96c896c,
+    0x5e4341de, 0xa967e8c7,
+  0x5e3f0194, 0xa9634858, 0x5e3ac110, 0xa95ea81d, 0x5e368053, 0xa95a0819,
+    0x5e323f5b, 0xa9556849,
+  0x5e2dfe29, 0xa950c8b0, 0x5e29bcbd, 0xa94c294b, 0x5e257b17, 0xa9478a1c,
+    0x5e213936, 0xa942eb23,
+  0x5e1cf71c, 0xa93e4c5f, 0x5e18b4c8, 0xa939add1, 0x5e147239, 0xa9350f78,
+    0x5e102f71, 0xa9307155,
+  0x5e0bec6e, 0xa92bd367, 0x5e07a932, 0xa92735af, 0x5e0365bb, 0xa922982c,
+    0x5dff220b, 0xa91dfadf,
+  0x5dfade20, 0xa9195dc7, 0x5df699fc, 0xa914c0e6, 0x5df2559e, 0xa9102439,
+    0x5dee1105, 0xa90b87c3,
+  0x5de9cc33, 0xa906eb82, 0x5de58727, 0xa9024f76, 0x5de141e1, 0xa8fdb3a1,
+    0x5ddcfc61, 0xa8f91801,
+  0x5dd8b6a7, 0xa8f47c97, 0x5dd470b3, 0xa8efe162, 0x5dd02a85, 0xa8eb4663,
+    0x5dcbe41d, 0xa8e6ab9a,
+  0x5dc79d7c, 0xa8e21106, 0x5dc356a1, 0xa8dd76a9, 0x5dbf0f8c, 0xa8d8dc81,
+    0x5dbac83d, 0xa8d4428f,
+  0x5db680b4, 0xa8cfa8d2, 0x5db238f1, 0xa8cb0f4b, 0x5dadf0f5, 0xa8c675fb,
+    0x5da9a8bf, 0xa8c1dce0,
+  0x5da5604f, 0xa8bd43fa, 0x5da117a5, 0xa8b8ab4b, 0x5d9ccec2, 0xa8b412d1,
+    0x5d9885a5, 0xa8af7a8e,
+  0x5d943c4e, 0xa8aae280, 0x5d8ff2bd, 0xa8a64aa8, 0x5d8ba8f3, 0xa8a1b306,
+    0x5d875eef, 0xa89d1b99,
+  0x5d8314b1, 0xa8988463, 0x5d7eca39, 0xa893ed63, 0x5d7a7f88, 0xa88f5698,
+    0x5d76349d, 0xa88ac004,
+  0x5d71e979, 0xa88629a5, 0x5d6d9e1b, 0xa881937c, 0x5d695283, 0xa87cfd8a,
+    0x5d6506b2, 0xa87867cd,
+  0x5d60baa7, 0xa873d246, 0x5d5c6e62, 0xa86f3cf6, 0x5d5821e4, 0xa86aa7db,
+    0x5d53d52d, 0xa86612f6,
+  0x5d4f883b, 0xa8617e48, 0x5d4b3b10, 0xa85ce9cf, 0x5d46edac, 0xa858558d,
+    0x5d42a00e, 0xa853c180,
+  0x5d3e5237, 0xa84f2daa, 0x5d3a0426, 0xa84a9a0a, 0x5d35b5db, 0xa84606a0,
+    0x5d316757, 0xa841736c,
+  0x5d2d189a, 0xa83ce06e, 0x5d28c9a3, 0xa8384da6, 0x5d247a72, 0xa833bb14,
+    0x5d202b09, 0xa82f28b9,
+  0x5d1bdb65, 0xa82a9693, 0x5d178b89, 0xa82604a4, 0x5d133b72, 0xa82172eb,
+    0x5d0eeb23, 0xa81ce169,
+  0x5d0a9a9a, 0xa818501c, 0x5d0649d7, 0xa813bf06, 0x5d01f8dc, 0xa80f2e26,
+    0x5cfda7a7, 0xa80a9d7c,
+  0x5cf95638, 0xa8060d08, 0x5cf50490, 0xa8017ccb, 0x5cf0b2af, 0xa7fcecc4,
+    0x5cec6095, 0xa7f85cf3,
+  0x5ce80e41, 0xa7f3cd59, 0x5ce3bbb4, 0xa7ef3df5, 0x5cdf68ed, 0xa7eaaec7,
+    0x5cdb15ed, 0xa7e61fd0,
+  0x5cd6c2b5, 0xa7e1910f, 0x5cd26f42, 0xa7dd0284, 0x5cce1b97, 0xa7d8742f,
+    0x5cc9c7b2, 0xa7d3e611,
+  0x5cc57394, 0xa7cf582a, 0x5cc11f3d, 0xa7caca79, 0x5cbccaac, 0xa7c63cfe,
+    0x5cb875e3, 0xa7c1afb9,
+  0x5cb420e0, 0xa7bd22ac, 0x5cafcba4, 0xa7b895d4, 0x5cab762f, 0xa7b40933,
+    0x5ca72080, 0xa7af7cc8,
+  0x5ca2ca99, 0xa7aaf094, 0x5c9e7478, 0xa7a66497, 0x5c9a1e1e, 0xa7a1d8d0,
+    0x5c95c78b, 0xa79d4d3f,
+  0x5c9170bf, 0xa798c1e5, 0x5c8d19ba, 0xa79436c1, 0x5c88c27c, 0xa78fabd4,
+    0x5c846b05, 0xa78b211e,
+  0x5c801354, 0xa786969e, 0x5c7bbb6b, 0xa7820c55, 0x5c776348, 0xa77d8242,
+    0x5c730aed, 0xa778f866,
+  0x5c6eb258, 0xa7746ec0, 0x5c6a598b, 0xa76fe551, 0x5c660084, 0xa76b5c19,
+    0x5c61a745, 0xa766d317,
+  0x5c5d4dcc, 0xa7624a4d, 0x5c58f41a, 0xa75dc1b8, 0x5c549a30, 0xa759395b,
+    0x5c50400d, 0xa754b134,
+  0x5c4be5b0, 0xa7502943, 0x5c478b1b, 0xa74ba18a, 0x5c43304d, 0xa7471a07,
+    0x5c3ed545, 0xa74292bb,
+  0x5c3a7a05, 0xa73e0ba5, 0x5c361e8c, 0xa73984c7, 0x5c31c2db, 0xa734fe1f,
+    0x5c2d66f0, 0xa73077ae,
+  0x5c290acc, 0xa72bf174, 0x5c24ae70, 0xa7276b70, 0x5c2051db, 0xa722e5a3,
+    0x5c1bf50d, 0xa71e600d,
+  0x5c179806, 0xa719daae, 0x5c133ac6, 0xa7155586, 0x5c0edd4e, 0xa710d095,
+    0x5c0a7f9c, 0xa70c4bda,
+  0x5c0621b2, 0xa707c757, 0x5c01c38f, 0xa703430a, 0x5bfd6534, 0xa6febef4,
+    0x5bf906a0, 0xa6fa3b15,
+  0x5bf4a7d2, 0xa6f5b76d, 0x5bf048cd, 0xa6f133fc, 0x5bebe98e, 0xa6ecb0c2,
+    0x5be78a17, 0xa6e82dbe,
+  0x5be32a67, 0xa6e3aaf2, 0x5bdeca7f, 0xa6df285d, 0x5bda6a5d, 0xa6daa5fe,
+    0x5bd60a03, 0xa6d623d7,
+  0x5bd1a971, 0xa6d1a1e7, 0x5bcd48a6, 0xa6cd202d, 0x5bc8e7a2, 0xa6c89eab,
+    0x5bc48666, 0xa6c41d60,
+  0x5bc024f0, 0xa6bf9c4b, 0x5bbbc343, 0xa6bb1b6e, 0x5bb7615d, 0xa6b69ac8,
+    0x5bb2ff3e, 0xa6b21a59,
+  0x5bae9ce7, 0xa6ad9a21, 0x5baa3a57, 0xa6a91a20, 0x5ba5d78e, 0xa6a49a56,
+    0x5ba1748d, 0xa6a01ac4,
+  0x5b9d1154, 0xa69b9b68, 0x5b98ade2, 0xa6971c44, 0x5b944a37, 0xa6929d57,
+    0x5b8fe654, 0xa68e1ea1,
+  0x5b8b8239, 0xa689a022, 0x5b871de5, 0xa68521da, 0x5b82b958, 0xa680a3ca,
+    0x5b7e5493, 0xa67c25f0,
+  0x5b79ef96, 0xa677a84e, 0x5b758a60, 0xa6732ae3, 0x5b7124f2, 0xa66eadb0,
+    0x5b6cbf4c, 0xa66a30b3,
+  0x5b68596d, 0xa665b3ee, 0x5b63f355, 0xa6613760, 0x5b5f8d06, 0xa65cbb0a,
+    0x5b5b267e, 0xa6583eeb,
+  0x5b56bfbd, 0xa653c303, 0x5b5258c4, 0xa64f4752, 0x5b4df193, 0xa64acbd9,
+    0x5b498a2a, 0xa6465097,
+  0x5b452288, 0xa641d58c, 0x5b40baae, 0xa63d5ab9, 0x5b3c529c, 0xa638e01d,
+    0x5b37ea51, 0xa63465b9,
+  0x5b3381ce, 0xa62feb8b, 0x5b2f1913, 0xa62b7196, 0x5b2ab020, 0xa626f7d7,
+    0x5b2646f4, 0xa6227e50,
+  0x5b21dd90, 0xa61e0501, 0x5b1d73f4, 0xa6198be9, 0x5b190a20, 0xa6151308,
+    0x5b14a014, 0xa6109a5f,
+  0x5b1035cf, 0xa60c21ee, 0x5b0bcb52, 0xa607a9b4, 0x5b07609d, 0xa60331b1,
+    0x5b02f5b0, 0xa5feb9e6,
+  0x5afe8a8b, 0xa5fa4252, 0x5afa1f2e, 0xa5f5caf6, 0x5af5b398, 0xa5f153d2,
+    0x5af147ca, 0xa5ecdce5,
+  0x5aecdbc5, 0xa5e8662f, 0x5ae86f87, 0xa5e3efb1, 0x5ae40311, 0xa5df796b,
+    0x5adf9663, 0xa5db035c,
+  0x5adb297d, 0xa5d68d85, 0x5ad6bc5f, 0xa5d217e6, 0x5ad24f09, 0xa5cda27e,
+    0x5acde17b, 0xa5c92d4e,
+  0x5ac973b5, 0xa5c4b855, 0x5ac505b7, 0xa5c04395, 0x5ac09781, 0xa5bbcf0b,
+    0x5abc2912, 0xa5b75aba,
+  0x5ab7ba6c, 0xa5b2e6a0, 0x5ab34b8e, 0xa5ae72be, 0x5aaedc78, 0xa5a9ff14,
+    0x5aaa6d2b, 0xa5a58ba1,
+  0x5aa5fda5, 0xa5a11866, 0x5aa18de7, 0xa59ca563, 0x5a9d1df1, 0xa5983297,
+    0x5a98adc4, 0xa593c004,
+  0x5a943d5e, 0xa58f4da8, 0x5a8fccc1, 0xa58adb84, 0x5a8b5bec, 0xa5866997,
+    0x5a86eadf, 0xa581f7e3,
+  0x5a82799a, 0xa57d8666, 0x5a7e081d, 0xa5791521, 0x5a799669, 0xa574a414,
+    0x5a75247c, 0xa570333f,
+  0x5a70b258, 0xa56bc2a2, 0x5a6c3ffc, 0xa567523c, 0x5a67cd69, 0xa562e20f,
+    0x5a635a9d, 0xa55e7219,
+  0x5a5ee79a, 0xa55a025b, 0x5a5a745f, 0xa55592d5, 0x5a5600ec, 0xa5512388,
+    0x5a518d42, 0xa54cb472,
+  0x5a4d1960, 0xa5484594, 0x5a48a546, 0xa543d6ee, 0x5a4430f5, 0xa53f687f,
+    0x5a3fbc6b, 0xa53afa49,
+  0x5a3b47ab, 0xa5368c4b, 0x5a36d2b2, 0xa5321e85, 0x5a325d82, 0xa52db0f7,
+    0x5a2de81a, 0xa52943a1,
+  0x5a29727b, 0xa524d683, 0x5a24fca4, 0xa520699d, 0x5a208695, 0xa51bfcef,
+    0x5a1c104f, 0xa5179079,
+  0x5a1799d1, 0xa513243b, 0x5a13231b, 0xa50eb836, 0x5a0eac2e, 0xa50a4c68,
+    0x5a0a350a, 0xa505e0d2,
+  0x5a05bdae, 0xa5017575, 0x5a01461a, 0xa4fd0a50, 0x59fcce4f, 0xa4f89f63,
+    0x59f8564c, 0xa4f434ae,
+  0x59f3de12, 0xa4efca31, 0x59ef65a1, 0xa4eb5fec, 0x59eaecf8, 0xa4e6f5e0,
+    0x59e67417, 0xa4e28c0c,
+  0x59e1faff, 0xa4de2270, 0x59dd81b0, 0xa4d9b90c, 0x59d90829, 0xa4d54fe0,
+    0x59d48e6a, 0xa4d0e6ed,
+  0x59d01475, 0xa4cc7e32, 0x59cb9a47, 0xa4c815af, 0x59c71fe3, 0xa4c3ad64,
+    0x59c2a547, 0xa4bf4552,
+  0x59be2a74, 0xa4badd78, 0x59b9af69, 0xa4b675d6, 0x59b53427, 0xa4b20e6d,
+    0x59b0b8ae, 0xa4ada73c,
+  0x59ac3cfd, 0xa4a94043, 0x59a7c115, 0xa4a4d982, 0x59a344f6, 0xa4a072fa,
+    0x599ec8a0, 0xa49c0cab,
+  0x599a4c12, 0xa497a693, 0x5995cf4d, 0xa49340b4, 0x59915250, 0xa48edb0e,
+    0x598cd51d, 0xa48a75a0,
+  0x598857b2, 0xa486106a, 0x5983da10, 0xa481ab6d, 0x597f5c36, 0xa47d46a8,
+    0x597ade26, 0xa478e21b,
+  0x59765fde, 0xa4747dc7, 0x5971e15f, 0xa47019ac, 0x596d62a9, 0xa46bb5c9,
+    0x5968e3bc, 0xa467521e,
+  0x59646498, 0xa462eeac, 0x595fe53c, 0xa45e8b73, 0x595b65aa, 0xa45a2872,
+    0x5956e5e0, 0xa455c5a9,
+  0x595265df, 0xa4516319, 0x594de5a7, 0xa44d00c2, 0x59496538, 0xa4489ea3,
+    0x5944e492, 0xa4443cbd,
+  0x594063b5, 0xa43fdb10, 0x593be2a0, 0xa43b799a, 0x59376155, 0xa437185e,
+    0x5932dfd3, 0xa432b75a,
+  0x592e5e19, 0xa42e568f, 0x5929dc29, 0xa429f5fd, 0x59255a02, 0xa42595a3,
+    0x5920d7a3, 0xa4213581,
+  0x591c550e, 0xa41cd599, 0x5917d242, 0xa41875e9, 0x59134f3e, 0xa4141672,
+    0x590ecc04, 0xa40fb733,
+  0x590a4893, 0xa40b582e, 0x5905c4eb, 0xa406f960, 0x5901410c, 0xa4029acc,
+    0x58fcbcf6, 0xa3fe3c71,
+  0x58f838a9, 0xa3f9de4e, 0x58f3b426, 0xa3f58064, 0x58ef2f6b, 0xa3f122b2,
+    0x58eaaa7a, 0xa3ecc53a,
+  0x58e62552, 0xa3e867fa, 0x58e19ff3, 0xa3e40af3, 0x58dd1a5d, 0xa3dfae25,
+    0x58d89490, 0xa3db5190,
+  0x58d40e8c, 0xa3d6f534, 0x58cf8852, 0xa3d29910, 0x58cb01e1, 0xa3ce3d25,
+    0x58c67b39, 0xa3c9e174,
+  0x58c1f45b, 0xa3c585fb, 0x58bd6d45, 0xa3c12abb, 0x58b8e5f9, 0xa3bccfb3,
+    0x58b45e76, 0xa3b874e5,
+  0x58afd6bd, 0xa3b41a50, 0x58ab4ecc, 0xa3afbff3, 0x58a6c6a5, 0xa3ab65d0,
+    0x58a23e48, 0xa3a70be6,
+  0x589db5b3, 0xa3a2b234, 0x58992ce9, 0xa39e58bb, 0x5894a3e7, 0xa399ff7c,
+    0x58901aaf, 0xa395a675,
+  0x588b9140, 0xa3914da8, 0x5887079a, 0xa38cf513, 0x58827dbe, 0xa3889cb8,
+    0x587df3ab, 0xa3844495,
+  0x58796962, 0xa37fecac, 0x5874dee2, 0xa37b94fb, 0x5870542c, 0xa3773d84,
+    0x586bc93f, 0xa372e646,
+  0x58673e1b, 0xa36e8f41, 0x5862b2c1, 0xa36a3875, 0x585e2730, 0xa365e1e2,
+    0x58599b69, 0xa3618b88,
+  0x58550f6c, 0xa35d3567, 0x58508338, 0xa358df80, 0x584bf6cd, 0xa35489d1,
+    0x58476a2c, 0xa350345c,
+  0x5842dd54, 0xa34bdf20, 0x583e5047, 0xa3478a1d, 0x5839c302, 0xa3433554,
+    0x58353587, 0xa33ee0c3,
+  0x5830a7d6, 0xa33a8c6c, 0x582c19ef, 0xa336384e, 0x58278bd1, 0xa331e469,
+    0x5822fd7c, 0xa32d90be,
+  0x581e6ef1, 0xa3293d4b, 0x5819e030, 0xa324ea13, 0x58155139, 0xa3209713,
+    0x5810c20b, 0xa31c444c,
+  0x580c32a7, 0xa317f1bf, 0x5807a30d, 0xa3139f6b, 0x5803133c, 0xa30f4d51,
+    0x57fe8335, 0xa30afb70,
+  0x57f9f2f8, 0xa306a9c8, 0x57f56284, 0xa3025859, 0x57f0d1da, 0xa2fe0724,
+    0x57ec40fa, 0xa2f9b629,
+  0x57e7afe4, 0xa2f56566, 0x57e31e97, 0xa2f114dd, 0x57de8d15, 0xa2ecc48e,
+    0x57d9fb5c, 0xa2e87477,
+  0x57d5696d, 0xa2e4249b, 0x57d0d747, 0xa2dfd4f7, 0x57cc44ec, 0xa2db858e,
+    0x57c7b25a, 0xa2d7365d,
+  0x57c31f92, 0xa2d2e766, 0x57be8c94, 0xa2ce98a9, 0x57b9f960, 0xa2ca4a25,
+    0x57b565f6, 0xa2c5fbda,
+  0x57b0d256, 0xa2c1adc9, 0x57ac3e80, 0xa2bd5ff2, 0x57a7aa73, 0xa2b91254,
+    0x57a31631, 0xa2b4c4f0,
+  0x579e81b8, 0xa2b077c5, 0x5799ed0a, 0xa2ac2ad3, 0x57955825, 0xa2a7de1c,
+    0x5790c30a, 0xa2a3919e,
+  0x578c2dba, 0xa29f4559, 0x57879833, 0xa29af94e, 0x57830276, 0xa296ad7d,
+    0x577e6c84, 0xa29261e5,
+  0x5779d65b, 0xa28e1687, 0x57753ffc, 0xa289cb63, 0x5770a968, 0xa2858078,
+    0x576c129d, 0xa28135c7,
+  0x57677b9d, 0xa27ceb4f, 0x5762e467, 0xa278a111, 0x575e4cfa, 0xa274570d,
+    0x5759b558, 0xa2700d43,
+  0x57551d80, 0xa26bc3b2, 0x57508572, 0xa2677a5b, 0x574bed2f, 0xa263313e,
+    0x574754b5, 0xa25ee85b,
+  0x5742bc06, 0xa25a9fb1, 0x573e2320, 0xa2565741, 0x57398a05, 0xa2520f0b,
+    0x5734f0b5, 0xa24dc70f,
+  0x5730572e, 0xa2497f4c, 0x572bbd71, 0xa24537c3, 0x5727237f, 0xa240f074,
+    0x57228957, 0xa23ca95f,
+  0x571deefa, 0xa2386284, 0x57195466, 0xa2341be3, 0x5714b99d, 0xa22fd57b,
+    0x57101e9e, 0xa22b8f4d,
+  0x570b8369, 0xa2274959, 0x5706e7ff, 0xa223039f, 0x57024c5f, 0xa21ebe1f,
+    0x56fdb08a, 0xa21a78d9,
+  0x56f9147e, 0xa21633cd, 0x56f4783d, 0xa211eefb, 0x56efdbc7, 0xa20daa62,
+    0x56eb3f1a, 0xa2096604,
+  0x56e6a239, 0xa20521e0, 0x56e20521, 0xa200ddf5, 0x56dd67d4, 0xa1fc9a45,
+    0x56d8ca51, 0xa1f856ce,
+  0x56d42c99, 0xa1f41392, 0x56cf8eab, 0xa1efd08f, 0x56caf088, 0xa1eb8dc7,
+    0x56c6522f, 0xa1e74b38,
+  0x56c1b3a1, 0xa1e308e4, 0x56bd14dd, 0xa1dec6ca, 0x56b875e4, 0xa1da84e9,
+    0x56b3d6b5, 0xa1d64343,
+  0x56af3750, 0xa1d201d7, 0x56aa97b7, 0xa1cdc0a5, 0x56a5f7e7, 0xa1c97fad,
+    0x56a157e3, 0xa1c53ef0,
+  0x569cb7a8, 0xa1c0fe6c, 0x56981739, 0xa1bcbe22, 0x56937694, 0xa1b87e13,
+    0x568ed5b9, 0xa1b43e3e,
+  0x568a34a9, 0xa1affea3, 0x56859364, 0xa1abbf42, 0x5680f1ea, 0xa1a7801b,
+    0x567c503a, 0xa1a3412f,
+  0x5677ae54, 0xa19f027c, 0x56730c3a, 0xa19ac404, 0x566e69ea, 0xa19685c7,
+    0x5669c765, 0xa19247c3,
+  0x566524aa, 0xa18e09fa, 0x566081ba, 0xa189cc6b, 0x565bde95, 0xa1858f16,
+    0x56573b3b, 0xa18151fb,
+  0x565297ab, 0xa17d151b, 0x564df3e6, 0xa178d875, 0x56494fec, 0xa1749c09,
+    0x5644abbc, 0xa1705fd8,
+  0x56400758, 0xa16c23e1, 0x563b62be, 0xa167e824, 0x5636bdef, 0xa163aca2,
+    0x563218eb, 0xa15f715a,
+  0x562d73b2, 0xa15b364d, 0x5628ce43, 0xa156fb79, 0x5624289f, 0xa152c0e1,
+    0x561f82c7, 0xa14e8682,
+  0x561adcb9, 0xa14a4c5e, 0x56163676, 0xa1461275, 0x56118ffe, 0xa141d8c5,
+    0x560ce950, 0xa13d9f51,
+  0x5608426e, 0xa1396617, 0x56039b57, 0xa1352d17, 0x55fef40a, 0xa130f451,
+    0x55fa4c89, 0xa12cbbc7,
+  0x55f5a4d2, 0xa1288376, 0x55f0fce7, 0xa1244b61, 0x55ec54c6, 0xa1201385,
+    0x55e7ac71, 0xa11bdbe4,
+  0x55e303e6, 0xa117a47e, 0x55de5b27, 0xa1136d52, 0x55d9b232, 0xa10f3661,
+    0x55d50909, 0xa10affab,
+  0x55d05faa, 0xa106c92f, 0x55cbb617, 0xa10292ed, 0x55c70c4f, 0xa0fe5ce6,
+    0x55c26251, 0xa0fa271a,
+  0x55bdb81f, 0xa0f5f189, 0x55b90db8, 0xa0f1bc32, 0x55b4631d, 0xa0ed8715,
+    0x55afb84c, 0xa0e95234,
+  0x55ab0d46, 0xa0e51d8c, 0x55a6620c, 0xa0e0e920, 0x55a1b69d, 0xa0dcb4ee,
+    0x559d0af9, 0xa0d880f7,
+  0x55985f20, 0xa0d44d3b, 0x5593b312, 0xa0d019b9, 0x558f06d0, 0xa0cbe672,
+    0x558a5a58, 0xa0c7b366,
+  0x5585adad, 0xa0c38095, 0x558100cc, 0xa0bf4dfe, 0x557c53b6, 0xa0bb1ba2,
+    0x5577a66c, 0xa0b6e981,
+  0x5572f8ed, 0xa0b2b79b, 0x556e4b39, 0xa0ae85ef, 0x55699d51, 0xa0aa547e,
+    0x5564ef34, 0xa0a62348,
+  0x556040e2, 0xa0a1f24d, 0x555b925c, 0xa09dc18d, 0x5556e3a1, 0xa0999107,
+    0x555234b1, 0xa09560bc,
+  0x554d858d, 0xa09130ad, 0x5548d634, 0xa08d00d8, 0x554426a7, 0xa088d13e,
+    0x553f76e4, 0xa084a1de,
+  0x553ac6ee, 0xa08072ba, 0x553616c2, 0xa07c43d1, 0x55316663, 0xa0781522,
+    0x552cb5ce, 0xa073e6af,
+  0x55280505, 0xa06fb876, 0x55235408, 0xa06b8a78, 0x551ea2d6, 0xa0675cb6,
+    0x5519f16f, 0xa0632f2e,
+  0x55153fd4, 0xa05f01e1, 0x55108e05, 0xa05ad4cf, 0x550bdc01, 0xa056a7f9,
+    0x550729c9, 0xa0527b5d,
+  0x5502775c, 0xa04e4efc, 0x54fdc4ba, 0xa04a22d7, 0x54f911e5, 0xa045f6ec,
+    0x54f45edb, 0xa041cb3c,
+  0x54efab9c, 0xa03d9fc8, 0x54eaf829, 0xa039748e, 0x54e64482, 0xa0354990,
+    0x54e190a6, 0xa0311ecd,
+  0x54dcdc96, 0xa02cf444, 0x54d82852, 0xa028c9f7, 0x54d373d9, 0xa0249fe5,
+    0x54cebf2c, 0xa020760e,
+  0x54ca0a4b, 0xa01c4c73, 0x54c55535, 0xa0182312, 0x54c09feb, 0xa013f9ed,
+    0x54bbea6d, 0xa00fd102,
+  0x54b734ba, 0xa00ba853, 0x54b27ed3, 0xa0077fdf, 0x54adc8b8, 0xa00357a7,
+    0x54a91269, 0x9fff2fa9,
+  0x54a45be6, 0x9ffb07e7, 0x549fa52e, 0x9ff6e060, 0x549aee42, 0x9ff2b914,
+    0x54963722, 0x9fee9204,
+  0x54917fce, 0x9fea6b2f, 0x548cc845, 0x9fe64495, 0x54881089, 0x9fe21e36,
+    0x54835898, 0x9fddf812,
+  0x547ea073, 0x9fd9d22a, 0x5479e81a, 0x9fd5ac7d, 0x54752f8d, 0x9fd1870c,
+    0x547076cc, 0x9fcd61d6,
+  0x546bbdd7, 0x9fc93cdb, 0x546704ae, 0x9fc5181b, 0x54624b50, 0x9fc0f397,
+    0x545d91bf, 0x9fbccf4f,
+  0x5458d7f9, 0x9fb8ab41, 0x54541e00, 0x9fb4876f, 0x544f63d2, 0x9fb063d9,
+    0x544aa971, 0x9fac407e,
+  0x5445eedb, 0x9fa81d5e, 0x54413412, 0x9fa3fa79, 0x543c7914, 0x9f9fd7d1,
+    0x5437bde3, 0x9f9bb563,
+  0x5433027d, 0x9f979331, 0x542e46e4, 0x9f93713b, 0x54298b17, 0x9f8f4f80,
+    0x5424cf16, 0x9f8b2e00,
+  0x542012e1, 0x9f870cbc, 0x541b5678, 0x9f82ebb4, 0x541699db, 0x9f7ecae7,
+    0x5411dd0a, 0x9f7aaa55,
+  0x540d2005, 0x9f7689ff, 0x540862cd, 0x9f7269e5, 0x5403a561, 0x9f6e4a06,
+    0x53fee7c1, 0x9f6a2a63,
+  0x53fa29ed, 0x9f660afb, 0x53f56be5, 0x9f61ebcf, 0x53f0adaa, 0x9f5dccde,
+    0x53ebef3a, 0x9f59ae29,
+  0x53e73097, 0x9f558fb0, 0x53e271c0, 0x9f517173, 0x53ddb2b6, 0x9f4d5371,
+    0x53d8f378, 0x9f4935aa,
+  0x53d43406, 0x9f45181f, 0x53cf7460, 0x9f40fad0, 0x53cab486, 0x9f3cddbd,
+    0x53c5f479, 0x9f38c0e5,
+  0x53c13439, 0x9f34a449, 0x53bc73c4, 0x9f3087e9, 0x53b7b31c, 0x9f2c6bc5,
+    0x53b2f240, 0x9f284fdc,
+  0x53ae3131, 0x9f24342f, 0x53a96fee, 0x9f2018bd, 0x53a4ae77, 0x9f1bfd88,
+    0x539feccd, 0x9f17e28e,
+  0x539b2af0, 0x9f13c7d0, 0x539668de, 0x9f0fad4e, 0x5391a699, 0x9f0b9307,
+    0x538ce421, 0x9f0778fd,
+  0x53882175, 0x9f035f2e, 0x53835e95, 0x9eff459b, 0x537e9b82, 0x9efb2c44,
+    0x5379d83c, 0x9ef71328,
+  0x537514c2, 0x9ef2fa49, 0x53705114, 0x9eeee1a5, 0x536b8d33, 0x9eeac93e,
+    0x5366c91f, 0x9ee6b112,
+  0x536204d7, 0x9ee29922, 0x535d405c, 0x9ede816e, 0x53587bad, 0x9eda69f6,
+    0x5353b6cb, 0x9ed652ba,
+  0x534ef1b5, 0x9ed23bb9, 0x534a2c6c, 0x9ece24f5, 0x534566f0, 0x9eca0e6d,
+    0x5340a140, 0x9ec5f820,
+  0x533bdb5d, 0x9ec1e210, 0x53371547, 0x9ebdcc3b, 0x53324efd, 0x9eb9b6a3,
+    0x532d8880, 0x9eb5a146,
+  0x5328c1d0, 0x9eb18c26, 0x5323faec, 0x9ead7742, 0x531f33d5, 0x9ea96299,
+    0x531a6c8b, 0x9ea54e2d,
+  0x5315a50e, 0x9ea139fd, 0x5310dd5d, 0x9e9d2608, 0x530c1579, 0x9e991250,
+    0x53074d62, 0x9e94fed4,
+  0x53028518, 0x9e90eb94, 0x52fdbc9a, 0x9e8cd890, 0x52f8f3e9, 0x9e88c5c9,
+    0x52f42b05, 0x9e84b33d,
+  0x52ef61ee, 0x9e80a0ee, 0x52ea98a4, 0x9e7c8eda, 0x52e5cf27, 0x9e787d03,
+    0x52e10576, 0x9e746b68,
+  0x52dc3b92, 0x9e705a09, 0x52d7717b, 0x9e6c48e7, 0x52d2a732, 0x9e683800,
+    0x52cddcb5, 0x9e642756,
+  0x52c91204, 0x9e6016e8, 0x52c44721, 0x9e5c06b6, 0x52bf7c0b, 0x9e57f6c0,
+    0x52bab0c2, 0x9e53e707,
+  0x52b5e546, 0x9e4fd78a, 0x52b11996, 0x9e4bc849, 0x52ac4db4, 0x9e47b944,
+    0x52a7819f, 0x9e43aa7c,
+  0x52a2b556, 0x9e3f9bf0, 0x529de8db, 0x9e3b8da0, 0x52991c2d, 0x9e377f8c,
+    0x52944f4c, 0x9e3371b5,
+  0x528f8238, 0x9e2f641b, 0x528ab4f1, 0x9e2b56bc, 0x5285e777, 0x9e27499a,
+    0x528119ca, 0x9e233cb4,
+  0x527c4bea, 0x9e1f300b, 0x52777dd7, 0x9e1b239e, 0x5272af92, 0x9e17176d,
+    0x526de11a, 0x9e130b79,
+  0x5269126e, 0x9e0effc1, 0x52644390, 0x9e0af446, 0x525f7480, 0x9e06e907,
+    0x525aa53c, 0x9e02de04,
+  0x5255d5c5, 0x9dfed33e, 0x5251061c, 0x9dfac8b4, 0x524c3640, 0x9df6be67,
+    0x52476631, 0x9df2b456,
+  0x524295f0, 0x9deeaa82, 0x523dc57b, 0x9deaa0ea, 0x5238f4d4, 0x9de6978f,
+    0x523423fb, 0x9de28e70,
+  0x522f52ee, 0x9dde858e, 0x522a81af, 0x9dda7ce9, 0x5225b03d, 0x9dd6747f,
+    0x5220de99, 0x9dd26c53,
+  0x521c0cc2, 0x9dce6463, 0x52173ab8, 0x9dca5caf, 0x5212687b, 0x9dc65539,
+    0x520d960c, 0x9dc24dfe,
+  0x5208c36a, 0x9dbe4701, 0x5203f096, 0x9dba4040, 0x51ff1d8f, 0x9db639bb,
+    0x51fa4a56, 0x9db23373,
+  0x51f576ea, 0x9dae2d68, 0x51f0a34b, 0x9daa279a, 0x51ebcf7a, 0x9da62208,
+    0x51e6fb76, 0x9da21cb2,
+  0x51e22740, 0x9d9e179a, 0x51dd52d7, 0x9d9a12be, 0x51d87e3c, 0x9d960e1f,
+    0x51d3a96f, 0x9d9209bd,
+  0x51ced46e, 0x9d8e0597, 0x51c9ff3c, 0x9d8a01ae, 0x51c529d7, 0x9d85fe02,
+    0x51c0543f, 0x9d81fa92,
+  0x51bb7e75, 0x9d7df75f, 0x51b6a879, 0x9d79f469, 0x51b1d24a, 0x9d75f1b0,
+    0x51acfbe9, 0x9d71ef34,
+  0x51a82555, 0x9d6decf4, 0x51a34e8f, 0x9d69eaf1, 0x519e7797, 0x9d65e92b,
+    0x5199a06d, 0x9d61e7a2,
+  0x5194c910, 0x9d5de656, 0x518ff180, 0x9d59e546, 0x518b19bf, 0x9d55e473,
+    0x518641cb, 0x9d51e3dd,
+  0x518169a5, 0x9d4de385, 0x517c914c, 0x9d49e368, 0x5177b8c2, 0x9d45e389,
+    0x5172e005, 0x9d41e3e7,
+  0x516e0715, 0x9d3de482, 0x51692df4, 0x9d39e559, 0x516454a0, 0x9d35e66e,
+    0x515f7b1a, 0x9d31e7bf,
+  0x515aa162, 0x9d2de94d, 0x5155c778, 0x9d29eb19, 0x5150ed5c, 0x9d25ed21,
+    0x514c130d, 0x9d21ef66,
+  0x5147388c, 0x9d1df1e9, 0x51425dd9, 0x9d19f4a8, 0x513d82f4, 0x9d15f7a4,
+    0x5138a7dd, 0x9d11fadd,
+  0x5133cc94, 0x9d0dfe54, 0x512ef119, 0x9d0a0207, 0x512a156b, 0x9d0605f7,
+    0x5125398c, 0x9d020a25,
+  0x51205d7b, 0x9cfe0e8f, 0x511b8137, 0x9cfa1337, 0x5116a4c1, 0x9cf6181c,
+    0x5111c81a, 0x9cf21d3d,
+  0x510ceb40, 0x9cee229c, 0x51080e35, 0x9cea2838, 0x510330f7, 0x9ce62e11,
+    0x50fe5388, 0x9ce23427,
+  0x50f975e6, 0x9cde3a7b, 0x50f49813, 0x9cda410b, 0x50efba0d, 0x9cd647d9,
+    0x50eadbd6, 0x9cd24ee4,
+  0x50e5fd6d, 0x9cce562c, 0x50e11ed2, 0x9cca5db1, 0x50dc4005, 0x9cc66573,
+    0x50d76106, 0x9cc26d73,
+  0x50d281d5, 0x9cbe75b0, 0x50cda272, 0x9cba7e2a, 0x50c8c2de, 0x9cb686e1,
+    0x50c3e317, 0x9cb28fd5,
+  0x50bf031f, 0x9cae9907, 0x50ba22f5, 0x9caaa276, 0x50b5429a, 0x9ca6ac23,
+    0x50b0620c, 0x9ca2b60c,
+  0x50ab814d, 0x9c9ec033, 0x50a6a05c, 0x9c9aca97, 0x50a1bf39, 0x9c96d539,
+    0x509cdde4, 0x9c92e017,
+  0x5097fc5e, 0x9c8eeb34, 0x50931aa6, 0x9c8af68d, 0x508e38bd, 0x9c870224,
+    0x508956a1, 0x9c830df8,
+  0x50847454, 0x9c7f1a0a, 0x507f91d5, 0x9c7b2659, 0x507aaf25, 0x9c7732e5,
+    0x5075cc43, 0x9c733faf,
+  0x5070e92f, 0x9c6f4cb6, 0x506c05ea, 0x9c6b59fa, 0x50672273, 0x9c67677c,
+    0x50623ecb, 0x9c63753c,
+  0x505d5af1, 0x9c5f8339, 0x505876e5, 0x9c5b9173, 0x505392a8, 0x9c579feb,
+    0x504eae39, 0x9c53aea0,
+  0x5049c999, 0x9c4fbd93, 0x5044e4c7, 0x9c4bccc3, 0x503fffc4, 0x9c47dc31,
+    0x503b1a8f, 0x9c43ebdc,
+  0x50363529, 0x9c3ffbc5, 0x50314f91, 0x9c3c0beb, 0x502c69c8, 0x9c381c4f,
+    0x502783cd, 0x9c342cf0,
+  0x50229da1, 0x9c303dcf, 0x501db743, 0x9c2c4eec, 0x5018d0b4, 0x9c286046,
+    0x5013e9f4, 0x9c2471de,
+  0x500f0302, 0x9c2083b3, 0x500a1bdf, 0x9c1c95c6, 0x5005348a, 0x9c18a816,
+    0x50004d04, 0x9c14baa4,
+  0x4ffb654d, 0x9c10cd70, 0x4ff67d64, 0x9c0ce07a, 0x4ff1954b, 0x9c08f3c1,
+    0x4fecacff, 0x9c050745,
+  0x4fe7c483, 0x9c011b08, 0x4fe2dbd5, 0x9bfd2f08, 0x4fddf2f6, 0x9bf94346,
+    0x4fd909e5, 0x9bf557c1,
+  0x4fd420a4, 0x9bf16c7a, 0x4fcf3731, 0x9bed8171, 0x4fca4d8d, 0x9be996a6,
+    0x4fc563b7, 0x9be5ac18,
+  0x4fc079b1, 0x9be1c1c8, 0x4fbb8f79, 0x9bddd7b6, 0x4fb6a510, 0x9bd9ede2,
+    0x4fb1ba76, 0x9bd6044b,
+  0x4faccfab, 0x9bd21af3, 0x4fa7e4af, 0x9bce31d8, 0x4fa2f981, 0x9bca48fa,
+    0x4f9e0e22, 0x9bc6605b,
+  0x4f992293, 0x9bc277fa, 0x4f9436d2, 0x9bbe8fd6, 0x4f8f4ae0, 0x9bbaa7f0,
+    0x4f8a5ebd, 0x9bb6c048,
+  0x4f857269, 0x9bb2d8de, 0x4f8085e4, 0x9baef1b2, 0x4f7b992d, 0x9bab0ac3,
+    0x4f76ac46, 0x9ba72413,
+  0x4f71bf2e, 0x9ba33da0, 0x4f6cd1e5, 0x9b9f576b, 0x4f67e46a, 0x9b9b7174,
+    0x4f62f6bf, 0x9b978bbc,
+  0x4f5e08e3, 0x9b93a641, 0x4f591ad6, 0x9b8fc104, 0x4f542c98, 0x9b8bdc05,
+    0x4f4f3e29, 0x9b87f744,
+  0x4f4a4f89, 0x9b8412c1, 0x4f4560b8, 0x9b802e7b, 0x4f4071b6, 0x9b7c4a74,
+    0x4f3b8284, 0x9b7866ab,
+  0x4f369320, 0x9b748320, 0x4f31a38c, 0x9b709fd3, 0x4f2cb3c7, 0x9b6cbcc4,
+    0x4f27c3d1, 0x9b68d9f3,
+  0x4f22d3aa, 0x9b64f760, 0x4f1de352, 0x9b61150b, 0x4f18f2c9, 0x9b5d32f4,
+    0x4f140210, 0x9b59511c,
+  0x4f0f1126, 0x9b556f81, 0x4f0a200b, 0x9b518e24, 0x4f052ec0, 0x9b4dad06,
+    0x4f003d43, 0x9b49cc26,
+  0x4efb4b96, 0x9b45eb83, 0x4ef659b8, 0x9b420b1f, 0x4ef167aa, 0x9b3e2af9,
+    0x4eec756b, 0x9b3a4b11,
+  0x4ee782fb, 0x9b366b68, 0x4ee2905a, 0x9b328bfc, 0x4edd9d89, 0x9b2eaccf,
+    0x4ed8aa87, 0x9b2acde0,
+  0x4ed3b755, 0x9b26ef2f, 0x4ecec3f2, 0x9b2310bc, 0x4ec9d05e, 0x9b1f3288,
+    0x4ec4dc99, 0x9b1b5492,
+  0x4ebfe8a5, 0x9b1776da, 0x4ebaf47f, 0x9b139960, 0x4eb60029, 0x9b0fbc24,
+    0x4eb10ba2, 0x9b0bdf27,
+  0x4eac16eb, 0x9b080268, 0x4ea72203, 0x9b0425e8, 0x4ea22ceb, 0x9b0049a5,
+    0x4e9d37a3, 0x9afc6da1,
+  0x4e984229, 0x9af891db, 0x4e934c80, 0x9af4b654, 0x4e8e56a5, 0x9af0db0b,
+    0x4e89609b, 0x9aed0000,
+  0x4e846a60, 0x9ae92533, 0x4e7f73f4, 0x9ae54aa5, 0x4e7a7d58, 0x9ae17056,
+    0x4e75868c, 0x9add9644,
+  0x4e708f8f, 0x9ad9bc71, 0x4e6b9862, 0x9ad5e2dd, 0x4e66a105, 0x9ad20987,
+    0x4e61a977, 0x9ace306f,
+  0x4e5cb1b9, 0x9aca5795, 0x4e57b9ca, 0x9ac67efb, 0x4e52c1ab, 0x9ac2a69e,
+    0x4e4dc95c, 0x9abece80,
+  0x4e48d0dd, 0x9abaf6a1, 0x4e43d82d, 0x9ab71eff, 0x4e3edf4d, 0x9ab3479d,
+    0x4e39e63d, 0x9aaf7079,
+  0x4e34ecfc, 0x9aab9993, 0x4e2ff38b, 0x9aa7c2ec, 0x4e2af9ea, 0x9aa3ec83,
+    0x4e260019, 0x9aa01659,
+  0x4e210617, 0x9a9c406e, 0x4e1c0be6, 0x9a986ac1, 0x4e171184, 0x9a949552,
+    0x4e1216f2, 0x9a90c022,
+  0x4e0d1c30, 0x9a8ceb31, 0x4e08213e, 0x9a89167e, 0x4e03261b, 0x9a85420a,
+    0x4dfe2ac9, 0x9a816dd5,
+  0x4df92f46, 0x9a7d99de, 0x4df43393, 0x9a79c625, 0x4def37b0, 0x9a75f2ac,
+    0x4dea3b9d, 0x9a721f71,
+  0x4de53f5a, 0x9a6e4c74, 0x4de042e7, 0x9a6a79b6, 0x4ddb4644, 0x9a66a737,
+    0x4dd64971, 0x9a62d4f7,
+  0x4dd14c6e, 0x9a5f02f5, 0x4dcc4f3b, 0x9a5b3132, 0x4dc751d8, 0x9a575fae,
+    0x4dc25445, 0x9a538e68,
+  0x4dbd5682, 0x9a4fbd61, 0x4db8588f, 0x9a4bec99, 0x4db35a6c, 0x9a481c0f,
+    0x4dae5c19, 0x9a444bc5,
+  0x4da95d96, 0x9a407bb9, 0x4da45ee3, 0x9a3cabeb, 0x4d9f6001, 0x9a38dc5d,
+    0x4d9a60ee, 0x9a350d0d,
+  0x4d9561ac, 0x9a313dfc, 0x4d90623a, 0x9a2d6f2a, 0x4d8b6298, 0x9a29a097,
+    0x4d8662c6, 0x9a25d243,
+  0x4d8162c4, 0x9a22042d, 0x4d7c6293, 0x9a1e3656, 0x4d776231, 0x9a1a68be,
+    0x4d7261a0, 0x9a169b65,
+  0x4d6d60df, 0x9a12ce4b, 0x4d685fef, 0x9a0f016f, 0x4d635ece, 0x9a0b34d3,
+    0x4d5e5d7e, 0x9a076875,
+  0x4d595bfe, 0x9a039c57, 0x4d545a4f, 0x99ffd077, 0x4d4f5870, 0x99fc04d6,
+    0x4d4a5661, 0x99f83974,
+  0x4d455422, 0x99f46e51, 0x4d4051b4, 0x99f0a36d, 0x4d3b4f16, 0x99ecd8c8,
+    0x4d364c48, 0x99e90e62,
+  0x4d31494b, 0x99e5443b, 0x4d2c461e, 0x99e17a53, 0x4d2742c2, 0x99ddb0aa,
+    0x4d223f36, 0x99d9e73f,
+  0x4d1d3b7a, 0x99d61e14, 0x4d18378f, 0x99d25528, 0x4d133374, 0x99ce8c7b,
+    0x4d0e2f2a, 0x99cac40d,
+  0x4d092ab0, 0x99c6fbde, 0x4d042607, 0x99c333ee, 0x4cff212e, 0x99bf6c3d,
+    0x4cfa1c26, 0x99bba4cb,
+  0x4cf516ee, 0x99b7dd99, 0x4cf01187, 0x99b416a5, 0x4ceb0bf0, 0x99b04ff0,
+    0x4ce6062a, 0x99ac897b,
+  0x4ce10034, 0x99a8c345, 0x4cdbfa0f, 0x99a4fd4d, 0x4cd6f3bb, 0x99a13795,
+    0x4cd1ed37, 0x999d721c,
+  0x4ccce684, 0x9999ace3, 0x4cc7dfa1, 0x9995e7e8, 0x4cc2d88f, 0x9992232d,
+    0x4cbdd14e, 0x998e5eb1,
+  0x4cb8c9dd, 0x998a9a74, 0x4cb3c23d, 0x9986d676, 0x4caeba6e, 0x998312b7,
+    0x4ca9b26f, 0x997f4f38,
+  0x4ca4aa41, 0x997b8bf8, 0x4c9fa1e4, 0x9977c8f7, 0x4c9a9958, 0x99740635,
+    0x4c95909c, 0x997043b2,
+  0x4c9087b1, 0x996c816f, 0x4c8b7e97, 0x9968bf6b, 0x4c86754e, 0x9964fda7,
+    0x4c816bd5, 0x99613c22,
+  0x4c7c622d, 0x995d7adc, 0x4c775856, 0x9959b9d5, 0x4c724e50, 0x9955f90d,
+    0x4c6d441b, 0x99523885,
+  0x4c6839b7, 0x994e783d, 0x4c632f23, 0x994ab833, 0x4c5e2460, 0x9946f869,
+    0x4c59196f, 0x994338df,
+  0x4c540e4e, 0x993f7993, 0x4c4f02fe, 0x993bba87, 0x4c49f77f, 0x9937fbbb,
+    0x4c44ebd1, 0x99343d2e,
+  0x4c3fdff4, 0x99307ee0, 0x4c3ad3e7, 0x992cc0d2, 0x4c35c7ac, 0x99290303,
+    0x4c30bb42, 0x99254574,
+  0x4c2baea9, 0x99218824, 0x4c26a1e1, 0x991dcb13, 0x4c2194e9, 0x991a0e42,
+    0x4c1c87c3, 0x991651b1,
+  0x4c177a6e, 0x9912955f, 0x4c126cea, 0x990ed94c, 0x4c0d5f37, 0x990b1d79,
+    0x4c085156, 0x990761e5,
+  0x4c034345, 0x9903a691, 0x4bfe3505, 0x98ffeb7d, 0x4bf92697, 0x98fc30a8,
+    0x4bf417f9, 0x98f87612,
+  0x4bef092d, 0x98f4bbbc, 0x4be9fa32, 0x98f101a6, 0x4be4eb08, 0x98ed47cf,
+    0x4bdfdbaf, 0x98e98e38,
+  0x4bdacc28, 0x98e5d4e0, 0x4bd5bc72, 0x98e21bc8, 0x4bd0ac8d, 0x98de62f0,
+    0x4bcb9c79, 0x98daaa57,
+  0x4bc68c36, 0x98d6f1fe, 0x4bc17bc5, 0x98d339e4, 0x4bbc6b25, 0x98cf820b,
+    0x4bb75a56, 0x98cbca70,
+  0x4bb24958, 0x98c81316, 0x4bad382c, 0x98c45bfb, 0x4ba826d1, 0x98c0a520,
+    0x4ba31548, 0x98bcee84,
+  0x4b9e0390, 0x98b93828, 0x4b98f1a9, 0x98b5820c, 0x4b93df93, 0x98b1cc30,
+    0x4b8ecd4f, 0x98ae1693,
+  0x4b89badd, 0x98aa6136, 0x4b84a83b, 0x98a6ac19, 0x4b7f956b, 0x98a2f73c,
+    0x4b7a826d, 0x989f429e,
+  0x4b756f40, 0x989b8e40, 0x4b705be4, 0x9897da22, 0x4b6b485a, 0x98942643,
+    0x4b6634a2, 0x989072a5,
+  0x4b6120bb, 0x988cbf46, 0x4b5c0ca5, 0x98890c27, 0x4b56f861, 0x98855948,
+    0x4b51e3ee, 0x9881a6a9,
+  0x4b4ccf4d, 0x987df449, 0x4b47ba7e, 0x987a422a, 0x4b42a580, 0x9876904a,
+    0x4b3d9053, 0x9872deaa,
+  0x4b387af9, 0x986f2d4a, 0x4b336570, 0x986b7c2a, 0x4b2e4fb8, 0x9867cb4a,
+    0x4b2939d2, 0x98641aa9,
+  0x4b2423be, 0x98606a49, 0x4b1f0d7b, 0x985cba28, 0x4b19f70a, 0x98590a48,
+    0x4b14e06b, 0x98555aa7,
+  0x4b0fc99d, 0x9851ab46, 0x4b0ab2a1, 0x984dfc26, 0x4b059b77, 0x984a4d45,
+    0x4b00841f, 0x98469ea4,
+  0x4afb6c98, 0x9842f043, 0x4af654e3, 0x983f4223, 0x4af13d00, 0x983b9442,
+    0x4aec24ee, 0x9837e6a1,
+  0x4ae70caf, 0x98343940, 0x4ae1f441, 0x98308c1f, 0x4adcdba5, 0x982cdf3f,
+    0x4ad7c2da, 0x9829329e,
+  0x4ad2a9e2, 0x9825863d, 0x4acd90bb, 0x9821da1d, 0x4ac87767, 0x981e2e3c,
+    0x4ac35de4, 0x981a829c,
+  0x4abe4433, 0x9816d73b, 0x4ab92a54, 0x98132c1b, 0x4ab41046, 0x980f813b,
+    0x4aaef60b, 0x980bd69b,
+  0x4aa9dba2, 0x98082c3b, 0x4aa4c10b, 0x9804821b, 0x4a9fa645, 0x9800d83c,
+    0x4a9a8b52, 0x97fd2e9c,
+  0x4a957030, 0x97f9853d, 0x4a9054e1, 0x97f5dc1e, 0x4a8b3963, 0x97f2333f,
+    0x4a861db8, 0x97ee8aa0,
+  0x4a8101de, 0x97eae242, 0x4a7be5d7, 0x97e73a23, 0x4a76c9a2, 0x97e39245,
+    0x4a71ad3e, 0x97dfeaa7,
+  0x4a6c90ad, 0x97dc4349, 0x4a6773ee, 0x97d89c2c, 0x4a625701, 0x97d4f54f,
+    0x4a5d39e6, 0x97d14eb2,
+  0x4a581c9e, 0x97cda855, 0x4a52ff27, 0x97ca0239, 0x4a4de182, 0x97c65c5c,
+    0x4a48c3b0, 0x97c2b6c1,
+  0x4a43a5b0, 0x97bf1165, 0x4a3e8782, 0x97bb6c4a, 0x4a396926, 0x97b7c76f,
+    0x4a344a9d, 0x97b422d4,
+  0x4a2f2be6, 0x97b07e7a, 0x4a2a0d01, 0x97acda60, 0x4a24edee, 0x97a93687,
+    0x4a1fcead, 0x97a592ed,
+  0x4a1aaf3f, 0x97a1ef94, 0x4a158fa3, 0x979e4c7c, 0x4a106fda, 0x979aa9a4,
+    0x4a0b4fe2, 0x9797070c,
+  0x4a062fbd, 0x979364b5, 0x4a010f6b, 0x978fc29e, 0x49fbeeea, 0x978c20c8,
+    0x49f6ce3c, 0x97887f32,
+  0x49f1ad61, 0x9784dddc, 0x49ec8c57, 0x97813cc7, 0x49e76b21, 0x977d9bf2,
+    0x49e249bc, 0x9779fb5e,
+  0x49dd282a, 0x97765b0a, 0x49d8066b, 0x9772baf7, 0x49d2e47e, 0x976f1b24,
+    0x49cdc263, 0x976b7b92,
+  0x49c8a01b, 0x9767dc41, 0x49c37da5, 0x97643d2f, 0x49be5b02, 0x97609e5f,
+    0x49b93832, 0x975cffcf,
+  0x49b41533, 0x9759617f, 0x49aef208, 0x9755c370, 0x49a9ceaf, 0x975225a1,
+    0x49a4ab28, 0x974e8813,
+  0x499f8774, 0x974aeac6, 0x499a6393, 0x97474db9, 0x49953f84, 0x9743b0ed,
+    0x49901b48, 0x97401462,
+  0x498af6df, 0x973c7817, 0x4985d248, 0x9738dc0d, 0x4980ad84, 0x97354043,
+    0x497b8892, 0x9731a4ba,
+  0x49766373, 0x972e0971, 0x49713e27, 0x972a6e6a, 0x496c18ae, 0x9726d3a3,
+    0x4966f307, 0x9723391c,
+  0x4961cd33, 0x971f9ed7, 0x495ca732, 0x971c04d2, 0x49578103, 0x97186b0d,
+    0x49525aa7, 0x9714d18a,
+  0x494d341e, 0x97113847, 0x49480d68, 0x970d9f45, 0x4942e684, 0x970a0683,
+    0x493dbf74, 0x97066e03,
+  0x49389836, 0x9702d5c3, 0x493370cb, 0x96ff3dc4, 0x492e4933, 0x96fba605,
+    0x4929216e, 0x96f80e88,
+  0x4923f97b, 0x96f4774b, 0x491ed15c, 0x96f0e04f, 0x4919a90f, 0x96ed4994,
+    0x49148095, 0x96e9b319,
+  0x490f57ee, 0x96e61ce0, 0x490a2f1b, 0x96e286e7, 0x4905061a, 0x96def12f,
+    0x48ffdcec, 0x96db5bb8,
+  0x48fab391, 0x96d7c682, 0x48f58a09, 0x96d4318d, 0x48f06054, 0x96d09cd8,
+    0x48eb3672, 0x96cd0865,
+  0x48e60c62, 0x96c97432, 0x48e0e227, 0x96c5e040, 0x48dbb7be, 0x96c24c8f,
+    0x48d68d28, 0x96beb91f,
+  0x48d16265, 0x96bb25f0, 0x48cc3775, 0x96b79302, 0x48c70c59, 0x96b40055,
+    0x48c1e10f, 0x96b06de9,
+  0x48bcb599, 0x96acdbbe, 0x48b789f5, 0x96a949d3, 0x48b25e25, 0x96a5b82a,
+    0x48ad3228, 0x96a226c2,
+  0x48a805ff, 0x969e959b, 0x48a2d9a8, 0x969b04b4, 0x489dad25, 0x9697740f,
+    0x48988074, 0x9693e3ab,
+  0x48935397, 0x96905388, 0x488e268e, 0x968cc3a5, 0x4888f957, 0x96893404,
+    0x4883cbf4, 0x9685a4a4,
+  0x487e9e64, 0x96821585, 0x487970a7, 0x967e86a7, 0x487442be, 0x967af80a,
+    0x486f14a8, 0x967769af,
+  0x4869e665, 0x9673db94, 0x4864b7f5, 0x96704dba, 0x485f8959, 0x966cc022,
+    0x485a5a90, 0x966932cb,
+  0x48552b9b, 0x9665a5b4, 0x484ffc79, 0x966218df, 0x484acd2a, 0x965e8c4b,
+    0x48459daf, 0x965afff9,
+  0x48406e08, 0x965773e7, 0x483b3e33, 0x9653e817, 0x48360e32, 0x96505c88,
+    0x4830de05, 0x964cd139,
+  0x482badab, 0x9649462d, 0x48267d24, 0x9645bb61, 0x48214c71, 0x964230d7,
+    0x481c1b92, 0x963ea68d,
+  0x4816ea86, 0x963b1c86, 0x4811b94d, 0x963792bf, 0x480c87e8, 0x96340939,
+    0x48075657, 0x96307ff5,
+  0x48022499, 0x962cf6f2, 0x47fcf2af, 0x96296e31, 0x47f7c099, 0x9625e5b0,
+    0x47f28e56, 0x96225d71,
+  0x47ed5be6, 0x961ed574, 0x47e8294a, 0x961b4db7, 0x47e2f682, 0x9617c63c,
+    0x47ddc38e, 0x96143f02,
+  0x47d8906d, 0x9610b80a, 0x47d35d20, 0x960d3153, 0x47ce29a7, 0x9609aadd,
+    0x47c8f601, 0x960624a9,
+  0x47c3c22f, 0x96029eb6, 0x47be8e31, 0x95ff1904, 0x47b95a06, 0x95fb9394,
+    0x47b425af, 0x95f80e65,
+  0x47aef12c, 0x95f48977, 0x47a9bc7d, 0x95f104cb, 0x47a487a2, 0x95ed8061,
+    0x479f529a, 0x95e9fc38,
+  0x479a1d67, 0x95e67850, 0x4794e807, 0x95e2f4a9, 0x478fb27b, 0x95df7145,
+    0x478a7cc2, 0x95dbee21,
+  0x478546de, 0x95d86b3f, 0x478010cd, 0x95d4e89f, 0x477ada91, 0x95d16640,
+    0x4775a428, 0x95cde423,
+  0x47706d93, 0x95ca6247, 0x476b36d3, 0x95c6e0ac, 0x4765ffe6, 0x95c35f53,
+    0x4760c8cd, 0x95bfde3c,
+  0x475b9188, 0x95bc5d66, 0x47565a17, 0x95b8dcd2, 0x4751227a, 0x95b55c7f,
+    0x474beab1, 0x95b1dc6e,
+  0x4746b2bc, 0x95ae5c9f, 0x47417a9b, 0x95aadd11, 0x473c424e, 0x95a75dc4,
+    0x473709d5, 0x95a3deb9,
+  0x4731d131, 0x95a05ff0, 0x472c9860, 0x959ce169, 0x47275f63, 0x95996323,
+    0x4722263b, 0x9595e51e,
+  0x471cece7, 0x9592675c, 0x4717b367, 0x958ee9db, 0x471279ba, 0x958b6c9b,
+    0x470d3fe3, 0x9587ef9e,
+  0x470805df, 0x958472e2, 0x4702cbaf, 0x9580f667, 0x46fd9154, 0x957d7a2f,
+    0x46f856cd, 0x9579fe38,
+  0x46f31c1a, 0x95768283, 0x46ede13b, 0x9573070f, 0x46e8a631, 0x956f8bdd,
+    0x46e36afb, 0x956c10ed,
+  0x46de2f99, 0x9568963f, 0x46d8f40b, 0x95651bd2, 0x46d3b852, 0x9561a1a8,
+    0x46ce7c6d, 0x955e27bf,
+  0x46c9405c, 0x955aae17, 0x46c40420, 0x955734b2, 0x46bec7b8, 0x9553bb8e,
+    0x46b98b24, 0x955042ac,
+  0x46b44e65, 0x954cca0c, 0x46af117a, 0x954951ae, 0x46a9d464, 0x9545d992,
+    0x46a49722, 0x954261b7,
+  0x469f59b4, 0x953eea1e, 0x469a1c1b, 0x953b72c7, 0x4694de56, 0x9537fbb2,
+    0x468fa066, 0x953484df,
+  0x468a624a, 0x95310e4e, 0x46852403, 0x952d97fe, 0x467fe590, 0x952a21f1,
+    0x467aa6f2, 0x9526ac25,
+  0x46756828, 0x9523369c, 0x46702933, 0x951fc154, 0x466aea12, 0x951c4c4e,
+    0x4665aac6, 0x9518d78a,
+  0x46606b4e, 0x95156308, 0x465b2bab, 0x9511eec8, 0x4655ebdd, 0x950e7aca,
+    0x4650abe3, 0x950b070e,
+  0x464b6bbe, 0x95079394, 0x46462b6d, 0x9504205c, 0x4640eaf2, 0x9500ad66,
+    0x463baa4a, 0x94fd3ab1,
+  0x46366978, 0x94f9c83f, 0x4631287a, 0x94f6560f, 0x462be751, 0x94f2e421,
+    0x4626a5fd, 0x94ef7275,
+  0x4621647d, 0x94ec010b, 0x461c22d2, 0x94e88fe3, 0x4616e0fc, 0x94e51efd,
+    0x46119efa, 0x94e1ae59,
+  0x460c5cce, 0x94de3df8, 0x46071a76, 0x94dacdd8, 0x4601d7f3, 0x94d75dfa,
+    0x45fc9545, 0x94d3ee5f,
+  0x45f7526b, 0x94d07f05, 0x45f20f67, 0x94cd0fee, 0x45eccc37, 0x94c9a119,
+    0x45e788dc, 0x94c63286,
+  0x45e24556, 0x94c2c435, 0x45dd01a5, 0x94bf5627, 0x45d7bdc9, 0x94bbe85a,
+    0x45d279c2, 0x94b87ad0,
+  0x45cd358f, 0x94b50d87, 0x45c7f132, 0x94b1a081, 0x45c2acaa, 0x94ae33be,
+    0x45bd67f6, 0x94aac73c,
+  0x45b82318, 0x94a75afd, 0x45b2de0e, 0x94a3eeff, 0x45ad98da, 0x94a08344,
+    0x45a8537a, 0x949d17cc,
+  0x45a30df0, 0x9499ac95, 0x459dc83b, 0x949641a1, 0x4598825a, 0x9492d6ef,
+    0x45933c4f, 0x948f6c7f,
+  0x458df619, 0x948c0252, 0x4588afb8, 0x94889867, 0x4583692c, 0x94852ebe,
+    0x457e2275, 0x9481c557,
+  0x4578db93, 0x947e5c33, 0x45739487, 0x947af351, 0x456e4d4f, 0x94778ab1,
+    0x456905ed, 0x94742254,
+  0x4563be60, 0x9470ba39, 0x455e76a8, 0x946d5260, 0x45592ec6, 0x9469eaca,
+    0x4553e6b8, 0x94668376,
+  0x454e9e80, 0x94631c65, 0x4549561d, 0x945fb596, 0x45440d90, 0x945c4f09,
+    0x453ec4d7, 0x9458e8bf,
+  0x45397bf4, 0x945582b7, 0x453432e6, 0x94521cf1, 0x452ee9ae, 0x944eb76e,
+    0x4529a04b, 0x944b522d,
+  0x452456bd, 0x9447ed2f, 0x451f0d04, 0x94448873, 0x4519c321, 0x944123fa,
+    0x45147913, 0x943dbfc3,
+  0x450f2edb, 0x943a5bcf, 0x4509e478, 0x9436f81d, 0x450499eb, 0x943394ad,
+    0x44ff4f32, 0x94303180,
+  0x44fa0450, 0x942cce96, 0x44f4b943, 0x94296bee, 0x44ef6e0b, 0x94260989,
+    0x44ea22a9, 0x9422a766,
+  0x44e4d71c, 0x941f4585, 0x44df8b64, 0x941be3e8, 0x44da3f83, 0x9418828c,
+    0x44d4f376, 0x94152174,
+  0x44cfa740, 0x9411c09e, 0x44ca5adf, 0x940e600a, 0x44c50e53, 0x940affb9,
+    0x44bfc19d, 0x94079fab,
+  0x44ba74bd, 0x94043fdf, 0x44b527b2, 0x9400e056, 0x44afda7d, 0x93fd810f,
+    0x44aa8d1d, 0x93fa220b,
+  0x44a53f93, 0x93f6c34a, 0x449ff1df, 0x93f364cb, 0x449aa400, 0x93f0068f,
+    0x449555f7, 0x93eca896,
+  0x449007c4, 0x93e94adf, 0x448ab967, 0x93e5ed6b, 0x44856adf, 0x93e2903a,
+    0x44801c2d, 0x93df334c,
+  0x447acd50, 0x93dbd6a0, 0x44757e4a, 0x93d87a36, 0x44702f19, 0x93d51e10,
+    0x446adfbe, 0x93d1c22c,
+  0x44659039, 0x93ce668b, 0x44604089, 0x93cb0b2d, 0x445af0b0, 0x93c7b011,
+    0x4455a0ac, 0x93c45539,
+  0x4450507e, 0x93c0faa3, 0x444b0026, 0x93bda04f, 0x4445afa4, 0x93ba463f,
+    0x44405ef8, 0x93b6ec71,
+  0x443b0e21, 0x93b392e6, 0x4435bd21, 0x93b0399e, 0x44306bf6, 0x93ace099,
+    0x442b1aa2, 0x93a987d6,
+  0x4425c923, 0x93a62f57, 0x4420777b, 0x93a2d71a, 0x441b25a8, 0x939f7f20,
+    0x4415d3ab, 0x939c2769,
+  0x44108184, 0x9398cff5, 0x440b2f34, 0x939578c3, 0x4405dcb9, 0x939221d5,
+    0x44008a14, 0x938ecb29,
+  0x43fb3746, 0x938b74c1, 0x43f5e44d, 0x93881e9b, 0x43f0912b, 0x9384c8b8,
+    0x43eb3ddf, 0x93817318,
+  0x43e5ea68, 0x937e1dbb, 0x43e096c8, 0x937ac8a1, 0x43db42fe, 0x937773ca,
+    0x43d5ef0a, 0x93741f35,
+  0x43d09aed, 0x9370cae4, 0x43cb46a5, 0x936d76d6, 0x43c5f234, 0x936a230a,
+    0x43c09d99, 0x9366cf82,
+  0x43bb48d4, 0x93637c3d, 0x43b5f3e5, 0x9360293a, 0x43b09ecc, 0x935cd67b,
+    0x43ab498a, 0x935983ff,
+  0x43a5f41e, 0x935631c5, 0x43a09e89, 0x9352dfcf, 0x439b48c9, 0x934f8e1c,
+    0x4395f2e0, 0x934c3cab,
+  0x43909ccd, 0x9348eb7e, 0x438b4691, 0x93459a94, 0x4385f02a, 0x934249ed,
+    0x4380999b, 0x933ef989,
+  0x437b42e1, 0x933ba968, 0x4375ebfe, 0x9338598a, 0x437094f1, 0x933509f0,
+    0x436b3dbb, 0x9331ba98,
+  0x4365e65b, 0x932e6b84, 0x43608ed2, 0x932b1cb2, 0x435b371f, 0x9327ce24,
+    0x4355df42, 0x93247fd9,
+  0x4350873c, 0x932131d1, 0x434b2f0c, 0x931de40c, 0x4345d6b3, 0x931a968b,
+    0x43407e31, 0x9317494c,
+  0x433b2585, 0x9313fc51, 0x4335ccaf, 0x9310af99, 0x433073b0, 0x930d6324,
+    0x432b1a87, 0x930a16f3,
+  0x4325c135, 0x9306cb04, 0x432067ba, 0x93037f59, 0x431b0e15, 0x930033f1,
+    0x4315b447, 0x92fce8cc,
+  0x43105a50, 0x92f99deb, 0x430b002f, 0x92f6534c, 0x4305a5e5, 0x92f308f1,
+    0x43004b71, 0x92efbeda,
+  0x42faf0d4, 0x92ec7505, 0x42f5960e, 0x92e92b74, 0x42f03b1e, 0x92e5e226,
+    0x42eae005, 0x92e2991c,
+  0x42e584c3, 0x92df5054, 0x42e02958, 0x92dc07d0, 0x42dacdc3, 0x92d8bf90,
+    0x42d57205, 0x92d57792,
+  0x42d0161e, 0x92d22fd9, 0x42caba0e, 0x92cee862, 0x42c55dd4, 0x92cba12f,
+    0x42c00172, 0x92c85a3f,
+  0x42baa4e6, 0x92c51392, 0x42b54831, 0x92c1cd29, 0x42afeb53, 0x92be8703,
+    0x42aa8e4b, 0x92bb4121,
+  0x42a5311b, 0x92b7fb82, 0x429fd3c1, 0x92b4b626, 0x429a763f, 0x92b1710e,
+    0x42951893, 0x92ae2c3a,
+  0x428fbabe, 0x92aae7a8, 0x428a5cc0, 0x92a7a35a, 0x4284fe99, 0x92a45f50,
+    0x427fa049, 0x92a11b89,
+  0x427a41d0, 0x929dd806, 0x4274e32e, 0x929a94c6, 0x426f8463, 0x929751c9,
+    0x426a256f, 0x92940f10,
+  0x4264c653, 0x9290cc9b, 0x425f670d, 0x928d8a69, 0x425a079e, 0x928a487a,
+    0x4254a806, 0x928706cf,
+  0x424f4845, 0x9283c568, 0x4249e85c, 0x92808444, 0x42448849, 0x927d4363,
+    0x423f280e, 0x927a02c7,
+  0x4239c7aa, 0x9276c26d, 0x4234671d, 0x92738258, 0x422f0667, 0x92704286,
+    0x4229a588, 0x926d02f7,
+  0x42244481, 0x9269c3ac, 0x421ee350, 0x926684a5, 0x421981f7, 0x926345e1,
+    0x42142075, 0x92600761,
+  0x420ebecb, 0x925cc924, 0x42095cf7, 0x92598b2b, 0x4203fafb, 0x92564d76,
+    0x41fe98d6, 0x92531005,
+  0x41f93689, 0x924fd2d7, 0x41f3d413, 0x924c95ec, 0x41ee7174, 0x92495946,
+    0x41e90eac, 0x92461ce3,
+  0x41e3abbc, 0x9242e0c4, 0x41de48a3, 0x923fa4e8, 0x41d8e561, 0x923c6950,
+    0x41d381f7, 0x92392dfc,
+  0x41ce1e65, 0x9235f2ec, 0x41c8baa9, 0x9232b81f, 0x41c356c5, 0x922f7d96,
+    0x41bdf2b9, 0x922c4351,
+  0x41b88e84, 0x9229094f, 0x41b32a26, 0x9225cf91, 0x41adc5a0, 0x92229617,
+    0x41a860f1, 0x921f5ce1,
+  0x41a2fc1a, 0x921c23ef, 0x419d971b, 0x9218eb40, 0x419831f3, 0x9215b2d5,
+    0x4192cca2, 0x92127aae,
+  0x418d6729, 0x920f42cb, 0x41880188, 0x920c0b2c, 0x41829bbe, 0x9208d3d0,
+    0x417d35cb, 0x92059cb8,
+  0x4177cfb1, 0x920265e4, 0x4172696e, 0x91ff2f54, 0x416d0302, 0x91fbf908,
+    0x41679c6f, 0x91f8c300,
+  0x416235b2, 0x91f58d3b, 0x415ccece, 0x91f257bb, 0x415767c1, 0x91ef227e,
+    0x4152008c, 0x91ebed85,
+  0x414c992f, 0x91e8b8d0, 0x414731a9, 0x91e5845f, 0x4141c9fb, 0x91e25032,
+    0x413c6225, 0x91df1c49,
+  0x4136fa27, 0x91dbe8a4, 0x41319200, 0x91d8b542, 0x412c29b1, 0x91d58225,
+    0x4126c13a, 0x91d24f4c,
+  0x4121589b, 0x91cf1cb6, 0x411befd3, 0x91cbea65, 0x411686e4, 0x91c8b857,
+    0x41111dcc, 0x91c5868e,
+  0x410bb48c, 0x91c25508, 0x41064b24, 0x91bf23c7, 0x4100e194, 0x91bbf2c9,
+    0x40fb77dc, 0x91b8c210,
+  0x40f60dfb, 0x91b5919a, 0x40f0a3f3, 0x91b26169, 0x40eb39c3, 0x91af317c,
+    0x40e5cf6a, 0x91ac01d2,
+  0x40e064ea, 0x91a8d26d, 0x40dafa41, 0x91a5a34c, 0x40d58f71, 0x91a2746f,
+    0x40d02478, 0x919f45d6,
+  0x40cab958, 0x919c1781, 0x40c54e0f, 0x9198e970, 0x40bfe29f, 0x9195bba3,
+    0x40ba7706, 0x91928e1a,
+  0x40b50b46, 0x918f60d6, 0x40af9f5e, 0x918c33d5, 0x40aa334e, 0x91890719,
+    0x40a4c716, 0x9185daa1,
+  0x409f5ab6, 0x9182ae6d, 0x4099ee2e, 0x917f827d, 0x4094817f, 0x917c56d1,
+    0x408f14a7, 0x91792b6a,
+  0x4089a7a8, 0x91760047, 0x40843a81, 0x9172d567, 0x407ecd32, 0x916faacc,
+    0x40795fbc, 0x916c8076,
+  0x4073f21d, 0x91695663, 0x406e8457, 0x91662c95, 0x40691669, 0x9163030b,
+    0x4063a854, 0x915fd9c5,
+  0x405e3a16, 0x915cb0c3, 0x4058cbb1, 0x91598806, 0x40535d24, 0x91565f8d,
+    0x404dee70, 0x91533758,
+  0x40487f94, 0x91500f67, 0x40431090, 0x914ce7bb, 0x403da165, 0x9149c053,
+    0x40383212, 0x9146992f,
+  0x4032c297, 0x91437250, 0x402d52f5, 0x91404bb5, 0x4027e32b, 0x913d255e,
+    0x4022733a, 0x9139ff4b,
+  0x401d0321, 0x9136d97d, 0x401792e0, 0x9133b3f3, 0x40122278, 0x91308eae,
+    0x400cb1e9, 0x912d69ad,
+  0x40074132, 0x912a44f0, 0x4001d053, 0x91272078, 0x3ffc5f4d, 0x9123fc44,
+    0x3ff6ee1f, 0x9120d854,
+  0x3ff17cca, 0x911db4a9, 0x3fec0b4e, 0x911a9142, 0x3fe699aa, 0x91176e1f,
+    0x3fe127df, 0x91144b41,
+  0x3fdbb5ec, 0x911128a8, 0x3fd643d2, 0x910e0653, 0x3fd0d191, 0x910ae442,
+    0x3fcb5f28, 0x9107c276,
+  0x3fc5ec98, 0x9104a0ee, 0x3fc079e0, 0x91017faa, 0x3fbb0702, 0x90fe5eab,
+    0x3fb593fb, 0x90fb3df1,
+  0x3fb020ce, 0x90f81d7b, 0x3faaad79, 0x90f4fd4a, 0x3fa539fd, 0x90f1dd5d,
+    0x3f9fc65a, 0x90eebdb4,
+  0x3f9a5290, 0x90eb9e50, 0x3f94de9e, 0x90e87f31, 0x3f8f6a85, 0x90e56056,
+    0x3f89f645, 0x90e241bf,
+  0x3f8481dd, 0x90df236e, 0x3f7f0d4f, 0x90dc0560, 0x3f799899, 0x90d8e798,
+    0x3f7423bc, 0x90d5ca13,
+  0x3f6eaeb8, 0x90d2acd4, 0x3f69398d, 0x90cf8fd9, 0x3f63c43b, 0x90cc7322,
+    0x3f5e4ec2, 0x90c956b1,
+  0x3f58d921, 0x90c63a83, 0x3f53635a, 0x90c31e9b, 0x3f4ded6b, 0x90c002f7,
+    0x3f487755, 0x90bce797,
+  0x3f430119, 0x90b9cc7d, 0x3f3d8ab5, 0x90b6b1a6, 0x3f38142a, 0x90b39715,
+    0x3f329d79, 0x90b07cc8,
+  0x3f2d26a0, 0x90ad62c0, 0x3f27afa1, 0x90aa48fd, 0x3f22387a, 0x90a72f7e,
+    0x3f1cc12c, 0x90a41644,
+  0x3f1749b8, 0x90a0fd4e, 0x3f11d21d, 0x909de49e, 0x3f0c5a5a, 0x909acc32,
+    0x3f06e271, 0x9097b40a,
+  0x3f016a61, 0x90949c28, 0x3efbf22a, 0x9091848a, 0x3ef679cc, 0x908e6d31,
+    0x3ef10148, 0x908b561c,
+  0x3eeb889c, 0x90883f4d, 0x3ee60fca, 0x908528c2, 0x3ee096d1, 0x9082127c,
+    0x3edb1db1, 0x907efc7a,
+  0x3ed5a46b, 0x907be6be, 0x3ed02afd, 0x9078d146, 0x3ecab169, 0x9075bc13,
+    0x3ec537ae, 0x9072a725,
+  0x3ebfbdcd, 0x906f927c, 0x3eba43c4, 0x906c7e17, 0x3eb4c995, 0x906969f8,
+    0x3eaf4f40, 0x9066561d,
+  0x3ea9d4c3, 0x90634287, 0x3ea45a21, 0x90602f35, 0x3e9edf57, 0x905d1c29,
+    0x3e996467, 0x905a0962,
+  0x3e93e950, 0x9056f6df, 0x3e8e6e12, 0x9053e4a1, 0x3e88f2ae, 0x9050d2a9,
+    0x3e837724, 0x904dc0f5,
+  0x3e7dfb73, 0x904aaf86, 0x3e787f9b, 0x90479e5c, 0x3e73039d, 0x90448d76,
+    0x3e6d8778, 0x90417cd6,
+  0x3e680b2c, 0x903e6c7b, 0x3e628ebb, 0x903b5c64, 0x3e5d1222, 0x90384c93,
+    0x3e579564, 0x90353d06,
+  0x3e52187f, 0x90322dbf, 0x3e4c9b73, 0x902f1ebc, 0x3e471e41, 0x902c0fff,
+    0x3e41a0e8, 0x90290186,
+  0x3e3c2369, 0x9025f352, 0x3e36a5c4, 0x9022e564, 0x3e3127f9, 0x901fd7ba,
+    0x3e2baa07, 0x901cca55,
+  0x3e262bee, 0x9019bd36, 0x3e20adaf, 0x9016b05b, 0x3e1b2f4a, 0x9013a3c5,
+    0x3e15b0bf, 0x90109775,
+  0x3e10320d, 0x900d8b69, 0x3e0ab336, 0x900a7fa3, 0x3e053437, 0x90077422,
+    0x3dffb513, 0x900468e5,
+  0x3dfa35c8, 0x90015dee, 0x3df4b657, 0x8ffe533c, 0x3def36c0, 0x8ffb48cf,
+    0x3de9b703, 0x8ff83ea7,
+  0x3de4371f, 0x8ff534c4, 0x3ddeb716, 0x8ff22b26, 0x3dd936e6, 0x8fef21ce,
+    0x3dd3b690, 0x8fec18ba,
+  0x3dce3614, 0x8fe90fec, 0x3dc8b571, 0x8fe60763, 0x3dc334a9, 0x8fe2ff1f,
+    0x3dbdb3ba, 0x8fdff720,
+  0x3db832a6, 0x8fdcef66, 0x3db2b16b, 0x8fd9e7f2, 0x3dad300b, 0x8fd6e0c2,
+    0x3da7ae84, 0x8fd3d9d8,
+  0x3da22cd7, 0x8fd0d333, 0x3d9cab04, 0x8fcdccd3, 0x3d97290b, 0x8fcac6b9,
+    0x3d91a6ed, 0x8fc7c0e3,
+  0x3d8c24a8, 0x8fc4bb53, 0x3d86a23d, 0x8fc1b608, 0x3d811fac, 0x8fbeb103,
+    0x3d7b9cf6, 0x8fbbac42,
+  0x3d761a19, 0x8fb8a7c7, 0x3d709717, 0x8fb5a391, 0x3d6b13ee, 0x8fb29fa0,
+    0x3d6590a0, 0x8faf9bf5,
+  0x3d600d2c, 0x8fac988f, 0x3d5a8992, 0x8fa9956e, 0x3d5505d2, 0x8fa69293,
+    0x3d4f81ec, 0x8fa38ffc,
+  0x3d49fde1, 0x8fa08dab, 0x3d4479b0, 0x8f9d8ba0, 0x3d3ef559, 0x8f9a89da,
+    0x3d3970dc, 0x8f978859,
+  0x3d33ec39, 0x8f94871d, 0x3d2e6771, 0x8f918627, 0x3d28e282, 0x8f8e8576,
+    0x3d235d6f, 0x8f8b850a,
+  0x3d1dd835, 0x8f8884e4, 0x3d1852d6, 0x8f858503, 0x3d12cd51, 0x8f828568,
+    0x3d0d47a6, 0x8f7f8612,
+  0x3d07c1d6, 0x8f7c8701, 0x3d023be0, 0x8f798836, 0x3cfcb5c4, 0x8f7689b0,
+    0x3cf72f83, 0x8f738b70,
+  0x3cf1a91c, 0x8f708d75, 0x3cec2290, 0x8f6d8fbf, 0x3ce69bde, 0x8f6a924f,
+    0x3ce11507, 0x8f679525,
+  0x3cdb8e09, 0x8f649840, 0x3cd606e7, 0x8f619ba0, 0x3cd07f9f, 0x8f5e9f46,
+    0x3ccaf831, 0x8f5ba331,
+  0x3cc5709e, 0x8f58a761, 0x3cbfe8e5, 0x8f55abd8, 0x3cba6107, 0x8f52b093,
+    0x3cb4d904, 0x8f4fb595,
+  0x3caf50da, 0x8f4cbadb, 0x3ca9c88c, 0x8f49c067, 0x3ca44018, 0x8f46c639,
+    0x3c9eb77f, 0x8f43cc50,
+  0x3c992ec0, 0x8f40d2ad, 0x3c93a5dc, 0x8f3dd950, 0x3c8e1cd3, 0x8f3ae038,
+    0x3c8893a4, 0x8f37e765,
+  0x3c830a50, 0x8f34eed8, 0x3c7d80d6, 0x8f31f691, 0x3c77f737, 0x8f2efe8f,
+    0x3c726d73, 0x8f2c06d3,
+  0x3c6ce38a, 0x8f290f5c, 0x3c67597b, 0x8f26182b, 0x3c61cf48, 0x8f232140,
+    0x3c5c44ee, 0x8f202a9a,
+  0x3c56ba70, 0x8f1d343a, 0x3c512fcc, 0x8f1a3e1f, 0x3c4ba504, 0x8f17484b,
+    0x3c461a16, 0x8f1452bb,
+  0x3c408f03, 0x8f115d72, 0x3c3b03ca, 0x8f0e686e, 0x3c35786d, 0x8f0b73b0,
+    0x3c2fecea, 0x8f087f37,
+  0x3c2a6142, 0x8f058b04, 0x3c24d575, 0x8f029717, 0x3c1f4983, 0x8effa370,
+    0x3c19bd6c, 0x8efcb00e,
+  0x3c143130, 0x8ef9bcf2, 0x3c0ea4cf, 0x8ef6ca1c, 0x3c091849, 0x8ef3d78b,
+    0x3c038b9e, 0x8ef0e540,
+  0x3bfdfecd, 0x8eedf33b, 0x3bf871d8, 0x8eeb017c, 0x3bf2e4be, 0x8ee81002,
+    0x3bed577e, 0x8ee51ece,
+  0x3be7ca1a, 0x8ee22de0, 0x3be23c91, 0x8edf3d38, 0x3bdcaee3, 0x8edc4cd5,
+    0x3bd72110, 0x8ed95cb8,
+  0x3bd19318, 0x8ed66ce1, 0x3bcc04fb, 0x8ed37d50, 0x3bc676b9, 0x8ed08e05,
+    0x3bc0e853, 0x8ecd9eff,
+  0x3bbb59c7, 0x8ecab040, 0x3bb5cb17, 0x8ec7c1c6, 0x3bb03c42, 0x8ec4d392,
+    0x3baaad48, 0x8ec1e5a4,
+  0x3ba51e29, 0x8ebef7fb, 0x3b9f8ee5, 0x8ebc0a99, 0x3b99ff7d, 0x8eb91d7c,
+    0x3b946ff0, 0x8eb630a6,
+  0x3b8ee03e, 0x8eb34415, 0x3b895068, 0x8eb057ca, 0x3b83c06c, 0x8ead6bc5,
+    0x3b7e304c, 0x8eaa8006,
+  0x3b78a007, 0x8ea7948c, 0x3b730f9e, 0x8ea4a959, 0x3b6d7f10, 0x8ea1be6c,
+    0x3b67ee5d, 0x8e9ed3c4,
+  0x3b625d86, 0x8e9be963, 0x3b5ccc8a, 0x8e98ff47, 0x3b573b69, 0x8e961571,
+    0x3b51aa24, 0x8e932be2,
+  0x3b4c18ba, 0x8e904298, 0x3b46872c, 0x8e8d5994, 0x3b40f579, 0x8e8a70d7,
+    0x3b3b63a1, 0x8e87885f,
+  0x3b35d1a5, 0x8e84a02d, 0x3b303f84, 0x8e81b841, 0x3b2aad3f, 0x8e7ed09b,
+    0x3b251ad6, 0x8e7be93c,
+  0x3b1f8848, 0x8e790222, 0x3b19f595, 0x8e761b4e, 0x3b1462be, 0x8e7334c1,
+    0x3b0ecfc3, 0x8e704e79,
+  0x3b093ca3, 0x8e6d6877, 0x3b03a95e, 0x8e6a82bc, 0x3afe15f6, 0x8e679d47,
+    0x3af88269, 0x8e64b817,
+  0x3af2eeb7, 0x8e61d32e, 0x3aed5ae1, 0x8e5eee8b, 0x3ae7c6e7, 0x8e5c0a2e,
+    0x3ae232c9, 0x8e592617,
+  0x3adc9e86, 0x8e564246, 0x3ad70a1f, 0x8e535ebb, 0x3ad17593, 0x8e507b76,
+    0x3acbe0e3, 0x8e4d9878,
+  0x3ac64c0f, 0x8e4ab5bf, 0x3ac0b717, 0x8e47d34d, 0x3abb21fb, 0x8e44f121,
+    0x3ab58cba, 0x8e420f3b,
+  0x3aaff755, 0x8e3f2d9b, 0x3aaa61cc, 0x8e3c4c41, 0x3aa4cc1e, 0x8e396b2e,
+    0x3a9f364d, 0x8e368a61,
+  0x3a99a057, 0x8e33a9da, 0x3a940a3e, 0x8e30c999, 0x3a8e7400, 0x8e2de99e,
+    0x3a88dd9d, 0x8e2b09e9,
+  0x3a834717, 0x8e282a7b, 0x3a7db06d, 0x8e254b53, 0x3a78199f, 0x8e226c71,
+    0x3a7282ac, 0x8e1f8dd6,
+  0x3a6ceb96, 0x8e1caf80, 0x3a67545b, 0x8e19d171, 0x3a61bcfd, 0x8e16f3a9,
+    0x3a5c257a, 0x8e141626,
+  0x3a568dd4, 0x8e1138ea, 0x3a50f609, 0x8e0e5bf4, 0x3a4b5e1b, 0x8e0b7f44,
+    0x3a45c608, 0x8e08a2db,
+  0x3a402dd2, 0x8e05c6b7, 0x3a3a9577, 0x8e02eadb, 0x3a34fcf9, 0x8e000f44,
+    0x3a2f6457, 0x8dfd33f4,
+  0x3a29cb91, 0x8dfa58ea, 0x3a2432a7, 0x8df77e27, 0x3a1e9999, 0x8df4a3a9,
+    0x3a190068, 0x8df1c973,
+  0x3a136712, 0x8deeef82, 0x3a0dcd99, 0x8dec15d8, 0x3a0833fc, 0x8de93c74,
+    0x3a029a3b, 0x8de66357,
+  0x39fd0056, 0x8de38a80, 0x39f7664e, 0x8de0b1ef, 0x39f1cc21, 0x8dddd9a5,
+    0x39ec31d1, 0x8ddb01a1,
+  0x39e6975e, 0x8dd829e4, 0x39e0fcc6, 0x8dd5526d, 0x39db620b, 0x8dd27b3c,
+    0x39d5c72c, 0x8dcfa452,
+  0x39d02c2a, 0x8dcccdaf, 0x39ca9104, 0x8dc9f751, 0x39c4f5ba, 0x8dc7213b,
+    0x39bf5a4d, 0x8dc44b6a,
+  0x39b9bebc, 0x8dc175e0, 0x39b42307, 0x8dbea09d, 0x39ae872f, 0x8dbbcba0,
+    0x39a8eb33, 0x8db8f6ea,
+  0x39a34f13, 0x8db6227a, 0x399db2d0, 0x8db34e50, 0x3998166a, 0x8db07a6d,
+    0x399279e0, 0x8dada6d1,
+  0x398cdd32, 0x8daad37b, 0x39874061, 0x8da8006c, 0x3981a36d, 0x8da52da3,
+    0x397c0655, 0x8da25b21,
+  0x39766919, 0x8d9f88e5, 0x3970cbba, 0x8d9cb6f0, 0x396b2e38, 0x8d99e541,
+    0x39659092, 0x8d9713d9,
+  0x395ff2c9, 0x8d9442b8, 0x395a54dd, 0x8d9171dd, 0x3954b6cd, 0x8d8ea148,
+    0x394f1899, 0x8d8bd0fb,
+  0x39497a43, 0x8d8900f3, 0x3943dbc9, 0x8d863133, 0x393e3d2c, 0x8d8361b9,
+    0x39389e6b, 0x8d809286,
+  0x3932ff87, 0x8d7dc399, 0x392d6080, 0x8d7af4f3, 0x3927c155, 0x8d782694,
+    0x39222208, 0x8d75587b,
+  0x391c8297, 0x8d728aa9, 0x3916e303, 0x8d6fbd1d, 0x3911434b, 0x8d6cefd9,
+    0x390ba371, 0x8d6a22db,
+  0x39060373, 0x8d675623, 0x39006352, 0x8d6489b3, 0x38fac30e, 0x8d61bd89,
+    0x38f522a6, 0x8d5ef1a5,
+  0x38ef821c, 0x8d5c2609, 0x38e9e16e, 0x8d595ab3, 0x38e4409e, 0x8d568fa4,
+    0x38de9faa, 0x8d53c4db,
+  0x38d8fe93, 0x8d50fa59, 0x38d35d59, 0x8d4e301f, 0x38cdbbfc, 0x8d4b662a,
+    0x38c81a7c, 0x8d489c7d,
+  0x38c278d9, 0x8d45d316, 0x38bcd713, 0x8d4309f6, 0x38b7352a, 0x8d40411d,
+    0x38b1931e, 0x8d3d788b,
+  0x38abf0ef, 0x8d3ab03f, 0x38a64e9d, 0x8d37e83a, 0x38a0ac29, 0x8d35207d,
+    0x389b0991, 0x8d325905,
+  0x389566d6, 0x8d2f91d5, 0x388fc3f8, 0x8d2ccaec, 0x388a20f8, 0x8d2a0449,
+    0x38847dd5, 0x8d273ded,
+  0x387eda8e, 0x8d2477d8, 0x38793725, 0x8d21b20a, 0x38739399, 0x8d1eec83,
+    0x386defeb, 0x8d1c2742,
+  0x38684c19, 0x8d196249, 0x3862a825, 0x8d169d96, 0x385d040d, 0x8d13d92a,
+    0x38575fd4, 0x8d111505,
+  0x3851bb77, 0x8d0e5127, 0x384c16f7, 0x8d0b8d90, 0x38467255, 0x8d08ca40,
+    0x3840cd90, 0x8d060737,
+  0x383b28a9, 0x8d034474, 0x3835839f, 0x8d0081f9, 0x382fde72, 0x8cfdbfc4,
+    0x382a3922, 0x8cfafdd7,
+  0x382493b0, 0x8cf83c30, 0x381eee1b, 0x8cf57ad0, 0x38194864, 0x8cf2b9b8,
+    0x3813a28a, 0x8ceff8e6,
+  0x380dfc8d, 0x8ced385b, 0x3808566e, 0x8cea7818, 0x3802b02c, 0x8ce7b81b,
+    0x37fd09c8, 0x8ce4f865,
+  0x37f76341, 0x8ce238f6, 0x37f1bc97, 0x8cdf79ce, 0x37ec15cb, 0x8cdcbaee,
+    0x37e66edd, 0x8cd9fc54,
+  0x37e0c7cc, 0x8cd73e01, 0x37db2099, 0x8cd47ff6, 0x37d57943, 0x8cd1c231,
+    0x37cfd1cb, 0x8ccf04b3,
+  0x37ca2a30, 0x8ccc477d, 0x37c48273, 0x8cc98a8e, 0x37beda93, 0x8cc6cde5,
+    0x37b93292, 0x8cc41184,
+  0x37b38a6d, 0x8cc1556a, 0x37ade227, 0x8cbe9996, 0x37a839be, 0x8cbbde0a,
+    0x37a29132, 0x8cb922c6,
+  0x379ce885, 0x8cb667c8, 0x37973fb5, 0x8cb3ad11, 0x379196c3, 0x8cb0f2a1,
+    0x378bedae, 0x8cae3879,
+  0x37864477, 0x8cab7e98, 0x37809b1e, 0x8ca8c4fd, 0x377af1a3, 0x8ca60baa,
+    0x37754806, 0x8ca3529f,
+  0x376f9e46, 0x8ca099da, 0x3769f464, 0x8c9de15c, 0x37644a60, 0x8c9b2926,
+    0x375ea03a, 0x8c987137,
+  0x3758f5f2, 0x8c95b98f, 0x37534b87, 0x8c93022e, 0x374da0fa, 0x8c904b14,
+    0x3747f64c, 0x8c8d9442,
+  0x37424b7b, 0x8c8addb7, 0x373ca088, 0x8c882773, 0x3736f573, 0x8c857176,
+    0x37314a3c, 0x8c82bbc0,
+  0x372b9ee3, 0x8c800652, 0x3725f367, 0x8c7d512b, 0x372047ca, 0x8c7a9c4b,
+    0x371a9c0b, 0x8c77e7b3,
+  0x3714f02a, 0x8c753362, 0x370f4427, 0x8c727f58, 0x37099802, 0x8c6fcb95,
+    0x3703ebbb, 0x8c6d181a,
+  0x36fe3f52, 0x8c6a64e5, 0x36f892c7, 0x8c67b1f9, 0x36f2e61a, 0x8c64ff53,
+    0x36ed394b, 0x8c624cf5,
+  0x36e78c5b, 0x8c5f9ade, 0x36e1df48, 0x8c5ce90e, 0x36dc3214, 0x8c5a3786,
+    0x36d684be, 0x8c578645,
+  0x36d0d746, 0x8c54d54c, 0x36cb29ac, 0x8c522499, 0x36c57bf0, 0x8c4f742f,
+    0x36bfce13, 0x8c4cc40b,
+  0x36ba2014, 0x8c4a142f, 0x36b471f3, 0x8c47649a, 0x36aec3b0, 0x8c44b54d,
+    0x36a9154c, 0x8c420647,
+  0x36a366c6, 0x8c3f5788, 0x369db81e, 0x8c3ca911, 0x36980954, 0x8c39fae1,
+    0x36925a69, 0x8c374cf9,
+  0x368cab5c, 0x8c349f58, 0x3686fc2e, 0x8c31f1ff, 0x36814cde, 0x8c2f44ed,
+    0x367b9d6c, 0x8c2c9822,
+  0x3675edd9, 0x8c29eb9f, 0x36703e24, 0x8c273f63, 0x366a8e4d, 0x8c24936f,
+    0x3664de55, 0x8c21e7c2,
+  0x365f2e3b, 0x8c1f3c5d, 0x36597e00, 0x8c1c913f, 0x3653cda3, 0x8c19e669,
+    0x364e1d25, 0x8c173bda,
+  0x36486c86, 0x8c149192, 0x3642bbc4, 0x8c11e792, 0x363d0ae2, 0x8c0f3dda,
+    0x363759de, 0x8c0c9469,
+  0x3631a8b8, 0x8c09eb40, 0x362bf771, 0x8c07425e, 0x36264609, 0x8c0499c4,
+    0x3620947f, 0x8c01f171,
+  0x361ae2d3, 0x8bff4966, 0x36153107, 0x8bfca1a3, 0x360f7f19, 0x8bf9fa27,
+    0x3609cd0a, 0x8bf752f2,
+  0x36041ad9, 0x8bf4ac05, 0x35fe6887, 0x8bf20560, 0x35f8b614, 0x8bef5f02,
+    0x35f3037f, 0x8becb8ec,
+  0x35ed50c9, 0x8bea131e, 0x35e79df2, 0x8be76d97, 0x35e1eafa, 0x8be4c857,
+    0x35dc37e0, 0x8be22360,
+  0x35d684a6, 0x8bdf7eb0, 0x35d0d14a, 0x8bdcda47, 0x35cb1dcc, 0x8bda3626,
+    0x35c56a2e, 0x8bd7924d,
+  0x35bfb66e, 0x8bd4eebc, 0x35ba028e, 0x8bd24b72, 0x35b44e8c, 0x8bcfa870,
+    0x35ae9a69, 0x8bcd05b5,
+  0x35a8e625, 0x8bca6343, 0x35a331c0, 0x8bc7c117, 0x359d7d39, 0x8bc51f34,
+    0x3597c892, 0x8bc27d98,
+  0x359213c9, 0x8bbfdc44, 0x358c5ee0, 0x8bbd3b38, 0x3586a9d5, 0x8bba9a73,
+    0x3580f4aa, 0x8bb7f9f6,
+  0x357b3f5d, 0x8bb559c1, 0x357589f0, 0x8bb2b9d4, 0x356fd461, 0x8bb01a2e,
+    0x356a1eb2, 0x8bad7ad0,
+  0x356468e2, 0x8baadbba, 0x355eb2f0, 0x8ba83cec, 0x3558fcde, 0x8ba59e65,
+    0x355346ab, 0x8ba30026,
+  0x354d9057, 0x8ba0622f, 0x3547d9e2, 0x8b9dc480, 0x3542234c, 0x8b9b2718,
+    0x353c6c95, 0x8b9889f8,
+  0x3536b5be, 0x8b95ed21, 0x3530fec6, 0x8b935090, 0x352b47ad, 0x8b90b448,
+    0x35259073, 0x8b8e1848,
+  0x351fd918, 0x8b8b7c8f, 0x351a219c, 0x8b88e11e, 0x35146a00, 0x8b8645f5,
+    0x350eb243, 0x8b83ab14,
+  0x3508fa66, 0x8b81107b, 0x35034267, 0x8b7e7629, 0x34fd8a48, 0x8b7bdc20,
+    0x34f7d208, 0x8b79425e,
+  0x34f219a8, 0x8b76a8e4, 0x34ec6127, 0x8b740fb3, 0x34e6a885, 0x8b7176c8,
+    0x34e0efc2, 0x8b6ede26,
+  0x34db36df, 0x8b6c45cc, 0x34d57ddc, 0x8b69adba, 0x34cfc4b7, 0x8b6715ef,
+    0x34ca0b73, 0x8b647e6d,
+  0x34c4520d, 0x8b61e733, 0x34be9887, 0x8b5f5040, 0x34b8dee1, 0x8b5cb995,
+    0x34b3251a, 0x8b5a2333,
+  0x34ad6b32, 0x8b578d18, 0x34a7b12a, 0x8b54f745, 0x34a1f702, 0x8b5261ba,
+    0x349c3cb9, 0x8b4fcc77,
+  0x34968250, 0x8b4d377c, 0x3490c7c6, 0x8b4aa2ca, 0x348b0d1c, 0x8b480e5f,
+    0x34855251, 0x8b457a3c,
+  0x347f9766, 0x8b42e661, 0x3479dc5b, 0x8b4052ce, 0x3474212f, 0x8b3dbf83,
+    0x346e65e3, 0x8b3b2c80,
+  0x3468aa76, 0x8b3899c6, 0x3462eee9, 0x8b360753, 0x345d333c, 0x8b337528,
+    0x3457776f, 0x8b30e345,
+  0x3451bb81, 0x8b2e51ab, 0x344bff73, 0x8b2bc058, 0x34464345, 0x8b292f4e,
+    0x344086f6, 0x8b269e8b,
+  0x343aca87, 0x8b240e11, 0x34350df8, 0x8b217ddf, 0x342f5149, 0x8b1eedf4,
+    0x3429947a, 0x8b1c5e52,
+  0x3423d78a, 0x8b19cef8, 0x341e1a7b, 0x8b173fe6, 0x34185d4b, 0x8b14b11d,
+    0x34129ffb, 0x8b12229b,
+  0x340ce28b, 0x8b0f9462, 0x340724fb, 0x8b0d0670, 0x3401674a, 0x8b0a78c7,
+    0x33fba97a, 0x8b07eb66,
+  0x33f5eb89, 0x8b055e4d, 0x33f02d79, 0x8b02d17c, 0x33ea6f48, 0x8b0044f3,
+    0x33e4b0f8, 0x8afdb8b3,
+  0x33def287, 0x8afb2cbb, 0x33d933f7, 0x8af8a10b, 0x33d37546, 0x8af615a3,
+    0x33cdb676, 0x8af38a83,
+  0x33c7f785, 0x8af0ffac, 0x33c23875, 0x8aee751c, 0x33bc7944, 0x8aebead5,
+    0x33b6b9f4, 0x8ae960d6,
+  0x33b0fa84, 0x8ae6d720, 0x33ab3af4, 0x8ae44db1, 0x33a57b44, 0x8ae1c48b,
+    0x339fbb74, 0x8adf3bad,
+  0x3399fb85, 0x8adcb318, 0x33943b75, 0x8ada2aca, 0x338e7b46, 0x8ad7a2c5,
+    0x3388baf7, 0x8ad51b08,
+  0x3382fa88, 0x8ad29394, 0x337d39f9, 0x8ad00c67, 0x3377794b, 0x8acd8583,
+    0x3371b87d, 0x8acafee8,
+  0x336bf78f, 0x8ac87894, 0x33663682, 0x8ac5f289, 0x33607554, 0x8ac36cc6,
+    0x335ab407, 0x8ac0e74c,
+  0x3354f29b, 0x8abe6219, 0x334f310e, 0x8abbdd30, 0x33496f62, 0x8ab9588e,
+    0x3343ad97, 0x8ab6d435,
+  0x333debab, 0x8ab45024, 0x333829a1, 0x8ab1cc5c, 0x33326776, 0x8aaf48db,
+    0x332ca52c, 0x8aacc5a4,
+  0x3326e2c3, 0x8aaa42b4, 0x33212039, 0x8aa7c00d, 0x331b5d91, 0x8aa53daf,
+    0x33159ac8, 0x8aa2bb99,
+  0x330fd7e1, 0x8aa039cb, 0x330a14da, 0x8a9db845, 0x330451b3, 0x8a9b3708,
+    0x32fe8e6d, 0x8a98b614,
+  0x32f8cb07, 0x8a963567, 0x32f30782, 0x8a93b504, 0x32ed43de, 0x8a9134e8,
+    0x32e7801a, 0x8a8eb516,
+  0x32e1bc36, 0x8a8c358b, 0x32dbf834, 0x8a89b649, 0x32d63412, 0x8a873750,
+    0x32d06fd0, 0x8a84b89e,
+  0x32caab6f, 0x8a823a36, 0x32c4e6ef, 0x8a7fbc16, 0x32bf2250, 0x8a7d3e3e,
+    0x32b95d91, 0x8a7ac0af,
+  0x32b398b3, 0x8a784368, 0x32add3b6, 0x8a75c66a, 0x32a80e99, 0x8a7349b4,
+    0x32a2495d, 0x8a70cd47,
+  0x329c8402, 0x8a6e5123, 0x3296be88, 0x8a6bd547, 0x3290f8ef, 0x8a6959b3,
+    0x328b3336, 0x8a66de68,
+  0x32856d5e, 0x8a646365, 0x327fa767, 0x8a61e8ab, 0x3279e151, 0x8a5f6e3a,
+    0x32741b1c, 0x8a5cf411,
+  0x326e54c7, 0x8a5a7a31, 0x32688e54, 0x8a580099, 0x3262c7c1, 0x8a55874a,
+    0x325d0110, 0x8a530e43,
+  0x32573a3f, 0x8a509585, 0x3251734f, 0x8a4e1d10, 0x324bac40, 0x8a4ba4e3,
+    0x3245e512, 0x8a492cff,
+  0x32401dc6, 0x8a46b564, 0x323a565a, 0x8a443e11, 0x32348ecf, 0x8a41c706,
+    0x322ec725, 0x8a3f5045,
+  0x3228ff5c, 0x8a3cd9cc, 0x32233775, 0x8a3a639b, 0x321d6f6e, 0x8a37edb3,
+    0x3217a748, 0x8a357814,
+  0x3211df04, 0x8a3302be, 0x320c16a1, 0x8a308db0, 0x32064e1e, 0x8a2e18eb,
+    0x3200857d, 0x8a2ba46e,
+  0x31fabcbd, 0x8a29303b, 0x31f4f3df, 0x8a26bc50, 0x31ef2ae1, 0x8a2448ad,
+    0x31e961c5, 0x8a21d554,
+  0x31e39889, 0x8a1f6243, 0x31ddcf30, 0x8a1cef7a, 0x31d805b7, 0x8a1a7cfb,
+    0x31d23c1f, 0x8a180ac4,
+  0x31cc7269, 0x8a1598d6, 0x31c6a894, 0x8a132731, 0x31c0dea1, 0x8a10b5d4,
+    0x31bb148f, 0x8a0e44c0,
+  0x31b54a5e, 0x8a0bd3f5, 0x31af800e, 0x8a096373, 0x31a9b5a0, 0x8a06f339,
+    0x31a3eb13, 0x8a048348,
+  0x319e2067, 0x8a0213a0, 0x3198559d, 0x89ffa441, 0x31928ab4, 0x89fd352b,
+    0x318cbfad, 0x89fac65d,
+  0x3186f487, 0x89f857d8, 0x31812943, 0x89f5e99c, 0x317b5de0, 0x89f37ba9,
+    0x3175925e, 0x89f10dff,
+  0x316fc6be, 0x89eea09d, 0x3169fb00, 0x89ec3384, 0x31642f23, 0x89e9c6b4,
+    0x315e6328, 0x89e75a2d,
+  0x3158970e, 0x89e4edef, 0x3152cad5, 0x89e281fa, 0x314cfe7f, 0x89e0164d,
+    0x31473209, 0x89ddaae9,
+  0x31416576, 0x89db3fcf, 0x313b98c4, 0x89d8d4fd, 0x3135cbf4, 0x89d66a74,
+    0x312fff05, 0x89d40033,
+  0x312a31f8, 0x89d1963c, 0x312464cd, 0x89cf2c8e, 0x311e9783, 0x89ccc328,
+    0x3118ca1b, 0x89ca5a0c,
+  0x3112fc95, 0x89c7f138, 0x310d2ef0, 0x89c588ae, 0x3107612e, 0x89c3206c,
+    0x3101934d, 0x89c0b873,
+  0x30fbc54d, 0x89be50c3, 0x30f5f730, 0x89bbe95c, 0x30f028f4, 0x89b9823e,
+    0x30ea5a9a, 0x89b71b69,
+  0x30e48c22, 0x89b4b4dd, 0x30debd8c, 0x89b24e9a, 0x30d8eed8, 0x89afe8a0,
+    0x30d32006, 0x89ad82ef,
+  0x30cd5115, 0x89ab1d87, 0x30c78206, 0x89a8b868, 0x30c1b2da, 0x89a65391,
+    0x30bbe38f, 0x89a3ef04,
+  0x30b61426, 0x89a18ac0, 0x30b0449f, 0x899f26c5, 0x30aa74fa, 0x899cc313,
+    0x30a4a537, 0x899a5faa,
+  0x309ed556, 0x8997fc8a, 0x30990557, 0x899599b3, 0x3093353a, 0x89933725,
+    0x308d64ff, 0x8990d4e0,
+  0x308794a6, 0x898e72e4, 0x3081c42f, 0x898c1131, 0x307bf39b, 0x8989afc8,
+    0x307622e8, 0x89874ea7,
+  0x30705217, 0x8984edcf, 0x306a8129, 0x89828d41, 0x3064b01d, 0x89802cfc,
+    0x305edef3, 0x897dccff,
+  0x30590dab, 0x897b6d4c, 0x30533c45, 0x89790de2, 0x304d6ac1, 0x8976aec1,
+    0x30479920, 0x89744fe9,
+  0x3041c761, 0x8971f15a, 0x303bf584, 0x896f9315, 0x30362389, 0x896d3518,
+    0x30305171, 0x896ad765,
+  0x302a7f3a, 0x896879fb, 0x3024ace6, 0x89661cda, 0x301eda75, 0x8963c002,
+    0x301907e6, 0x89616373,
+  0x30133539, 0x895f072e, 0x300d626e, 0x895cab31, 0x30078f86, 0x895a4f7e,
+    0x3001bc80, 0x8957f414,
+  0x2ffbe95d, 0x895598f3, 0x2ff6161c, 0x89533e1c, 0x2ff042bd, 0x8950e38e,
+    0x2fea6f41, 0x894e8948,
+  0x2fe49ba7, 0x894c2f4c, 0x2fdec7f0, 0x8949d59a, 0x2fd8f41b, 0x89477c30,
+    0x2fd32028, 0x89452310,
+  0x2fcd4c19, 0x8942ca39, 0x2fc777eb, 0x894071ab, 0x2fc1a3a0, 0x893e1967,
+    0x2fbbcf38, 0x893bc16b,
+  0x2fb5fab2, 0x893969b9, 0x2fb0260f, 0x89371250, 0x2faa514f, 0x8934bb31,
+    0x2fa47c71, 0x8932645b,
+  0x2f9ea775, 0x89300dce, 0x2f98d25d, 0x892db78a, 0x2f92fd26, 0x892b6190,
+    0x2f8d27d3, 0x89290bdf,
+  0x2f875262, 0x8926b677, 0x2f817cd4, 0x89246159, 0x2f7ba729, 0x89220c84,
+    0x2f75d160, 0x891fb7f8,
+  0x2f6ffb7a, 0x891d63b5, 0x2f6a2577, 0x891b0fbc, 0x2f644f56, 0x8918bc0c,
+    0x2f5e7919, 0x891668a6,
+  0x2f58a2be, 0x89141589, 0x2f52cc46, 0x8911c2b5, 0x2f4cf5b0, 0x890f702b,
+    0x2f471efe, 0x890d1dea,
+  0x2f41482e, 0x890acbf2, 0x2f3b7141, 0x89087a44, 0x2f359a37, 0x890628df,
+    0x2f2fc310, 0x8903d7c4,
+  0x2f29ebcc, 0x890186f2, 0x2f24146b, 0x88ff3669, 0x2f1e3ced, 0x88fce62a,
+    0x2f186551, 0x88fa9634,
+  0x2f128d99, 0x88f84687, 0x2f0cb5c3, 0x88f5f724, 0x2f06ddd1, 0x88f3a80b,
+    0x2f0105c1, 0x88f1593b,
+  0x2efb2d95, 0x88ef0ab4, 0x2ef5554b, 0x88ecbc77, 0x2eef7ce5, 0x88ea6e83,
+    0x2ee9a461, 0x88e820d9,
+  0x2ee3cbc1, 0x88e5d378, 0x2eddf304, 0x88e38660, 0x2ed81a29, 0x88e13992,
+    0x2ed24132, 0x88deed0e,
+  0x2ecc681e, 0x88dca0d3, 0x2ec68eed, 0x88da54e1, 0x2ec0b5a0, 0x88d8093a,
+    0x2ebadc35, 0x88d5bddb,
+  0x2eb502ae, 0x88d372c6, 0x2eaf290a, 0x88d127fb, 0x2ea94f49, 0x88cedd79,
+    0x2ea3756b, 0x88cc9340,
+  0x2e9d9b70, 0x88ca4951, 0x2e97c159, 0x88c7ffac, 0x2e91e725, 0x88c5b650,
+    0x2e8c0cd4, 0x88c36d3e,
+  0x2e863267, 0x88c12475, 0x2e8057dd, 0x88bedbf6, 0x2e7a7d36, 0x88bc93c0,
+    0x2e74a272, 0x88ba4bd4,
+  0x2e6ec792, 0x88b80432, 0x2e68ec95, 0x88b5bcd9, 0x2e63117c, 0x88b375ca,
+    0x2e5d3646, 0x88b12f04,
+  0x2e575af3, 0x88aee888, 0x2e517f84, 0x88aca255, 0x2e4ba3f8, 0x88aa5c6c,
+    0x2e45c850, 0x88a816cd,
+  0x2e3fec8b, 0x88a5d177, 0x2e3a10aa, 0x88a38c6b, 0x2e3434ac, 0x88a147a9,
+    0x2e2e5891, 0x889f0330,
+  0x2e287c5a, 0x889cbf01, 0x2e22a007, 0x889a7b1b, 0x2e1cc397, 0x88983780,
+    0x2e16e70b, 0x8895f42d,
+  0x2e110a62, 0x8893b125, 0x2e0b2d9d, 0x88916e66, 0x2e0550bb, 0x888f2bf1,
+    0x2dff73bd, 0x888ce9c5,
+  0x2df996a3, 0x888aa7e3, 0x2df3b96c, 0x8888664b, 0x2deddc19, 0x888624fd,
+    0x2de7feaa, 0x8883e3f8,
+  0x2de2211e, 0x8881a33d, 0x2ddc4376, 0x887f62cb, 0x2dd665b2, 0x887d22a4,
+    0x2dd087d1, 0x887ae2c6,
+  0x2dcaa9d5, 0x8878a332, 0x2dc4cbbc, 0x887663e7, 0x2dbeed86, 0x887424e7,
+    0x2db90f35, 0x8871e630,
+  0x2db330c7, 0x886fa7c2, 0x2dad523d, 0x886d699f, 0x2da77397, 0x886b2bc5,
+    0x2da194d5, 0x8868ee35,
+  0x2d9bb5f6, 0x8866b0ef, 0x2d95d6fc, 0x886473f2, 0x2d8ff7e5, 0x88623740,
+    0x2d8a18b3, 0x885ffad7,
+  0x2d843964, 0x885dbeb8, 0x2d7e59f9, 0x885b82e3, 0x2d787a72, 0x88594757,
+    0x2d729acf, 0x88570c16,
+  0x2d6cbb10, 0x8854d11e, 0x2d66db35, 0x88529670, 0x2d60fb3e, 0x88505c0b,
+    0x2d5b1b2b, 0x884e21f1,
+  0x2d553afc, 0x884be821, 0x2d4f5ab1, 0x8849ae9a, 0x2d497a4a, 0x8847755d,
+    0x2d4399c7, 0x88453c6a,
+  0x2d3db928, 0x884303c1, 0x2d37d86d, 0x8840cb61, 0x2d31f797, 0x883e934c,
+    0x2d2c16a4, 0x883c5b81,
+  0x2d263596, 0x883a23ff, 0x2d20546b, 0x8837ecc7, 0x2d1a7325, 0x8835b5d9,
+    0x2d1491c4, 0x88337f35,
+  0x2d0eb046, 0x883148db, 0x2d08ceac, 0x882f12cb, 0x2d02ecf7, 0x882cdd04,
+    0x2cfd0b26, 0x882aa788,
+  0x2cf72939, 0x88287256, 0x2cf14731, 0x88263d6d, 0x2ceb650d, 0x882408ce,
+    0x2ce582cd, 0x8821d47a,
+  0x2cdfa071, 0x881fa06f, 0x2cd9bdfa, 0x881d6cae, 0x2cd3db67, 0x881b3937,
+    0x2ccdf8b8, 0x8819060a,
+  0x2cc815ee, 0x8816d327, 0x2cc23308, 0x8814a08f, 0x2cbc5006, 0x88126e40,
+    0x2cb66ce9, 0x88103c3b,
+  0x2cb089b1, 0x880e0a7f, 0x2caaa65c, 0x880bd90e, 0x2ca4c2ed, 0x8809a7e7,
+    0x2c9edf61, 0x8807770a,
+  0x2c98fbba, 0x88054677, 0x2c9317f8, 0x8803162e, 0x2c8d341a, 0x8800e62f,
+    0x2c875021, 0x87feb67a,
+  0x2c816c0c, 0x87fc870f, 0x2c7b87dc, 0x87fa57ee, 0x2c75a390, 0x87f82917,
+    0x2c6fbf29, 0x87f5fa8b,
+  0x2c69daa6, 0x87f3cc48, 0x2c63f609, 0x87f19e4f, 0x2c5e114f, 0x87ef70a0,
+    0x2c582c7b, 0x87ed433c,
+  0x2c52478a, 0x87eb1621, 0x2c4c627f, 0x87e8e950, 0x2c467d58, 0x87e6bcca,
+    0x2c409816, 0x87e4908e,
+  0x2c3ab2b9, 0x87e2649b, 0x2c34cd40, 0x87e038f3, 0x2c2ee7ad, 0x87de0d95,
+    0x2c2901fd, 0x87dbe281,
+  0x2c231c33, 0x87d9b7b7, 0x2c1d364e, 0x87d78d38, 0x2c17504d, 0x87d56302,
+    0x2c116a31, 0x87d33916,
+  0x2c0b83fa, 0x87d10f75, 0x2c059da7, 0x87cee61e, 0x2bffb73a, 0x87ccbd11,
+    0x2bf9d0b1, 0x87ca944e,
+  0x2bf3ea0d, 0x87c86bd5, 0x2bee034e, 0x87c643a6, 0x2be81c74, 0x87c41bc2,
+    0x2be2357f, 0x87c1f427,
+  0x2bdc4e6f, 0x87bfccd7, 0x2bd66744, 0x87bda5d1, 0x2bd07ffe, 0x87bb7f16,
+    0x2bca989d, 0x87b958a4,
+  0x2bc4b120, 0x87b7327d, 0x2bbec989, 0x87b50c9f, 0x2bb8e1d7, 0x87b2e70c,
+    0x2bb2fa0a, 0x87b0c1c4,
+  0x2bad1221, 0x87ae9cc5, 0x2ba72a1e, 0x87ac7811, 0x2ba14200, 0x87aa53a6,
+    0x2b9b59c7, 0x87a82f87,
+  0x2b957173, 0x87a60bb1, 0x2b8f8905, 0x87a3e825, 0x2b89a07b, 0x87a1c4e4,
+    0x2b83b7d7, 0x879fa1ed,
+  0x2b7dcf17, 0x879d7f41, 0x2b77e63d, 0x879b5cde, 0x2b71fd48, 0x87993ac6,
+    0x2b6c1438, 0x879718f8,
+  0x2b662b0e, 0x8794f774, 0x2b6041c9, 0x8792d63b, 0x2b5a5868, 0x8790b54c,
+    0x2b546eee, 0x878e94a7,
+  0x2b4e8558, 0x878c744d, 0x2b489ba8, 0x878a543d, 0x2b42b1dd, 0x87883477,
+    0x2b3cc7f7, 0x878614fb,
+  0x2b36ddf7, 0x8783f5ca, 0x2b30f3dc, 0x8781d6e3, 0x2b2b09a6, 0x877fb846,
+    0x2b251f56, 0x877d99f4,
+  0x2b1f34eb, 0x877b7bec, 0x2b194a66, 0x87795e2f, 0x2b135fc6, 0x877740bb,
+    0x2b0d750b, 0x87752392,
+  0x2b078a36, 0x877306b4, 0x2b019f46, 0x8770ea20, 0x2afbb43c, 0x876ecdd6,
+    0x2af5c917, 0x876cb1d6,
+  0x2aefddd8, 0x876a9621, 0x2ae9f27e, 0x87687ab7, 0x2ae4070a, 0x87665f96,
+    0x2ade1b7c, 0x876444c1,
+  0x2ad82fd2, 0x87622a35, 0x2ad2440f, 0x87600ff4, 0x2acc5831, 0x875df5fd,
+    0x2ac66c39, 0x875bdc51,
+  0x2ac08026, 0x8759c2ef, 0x2aba93f9, 0x8757a9d8, 0x2ab4a7b1, 0x8755910b,
+    0x2aaebb50, 0x87537888,
+  0x2aa8ced3, 0x87516050, 0x2aa2e23d, 0x874f4862, 0x2a9cf58c, 0x874d30bf,
+    0x2a9708c1, 0x874b1966,
+  0x2a911bdc, 0x87490258, 0x2a8b2edc, 0x8746eb94, 0x2a8541c3, 0x8744d51b,
+    0x2a7f548e, 0x8742beec,
+  0x2a796740, 0x8740a907, 0x2a7379d8, 0x873e936d, 0x2a6d8c55, 0x873c7e1e,
+    0x2a679eb8, 0x873a6919,
+  0x2a61b101, 0x8738545e, 0x2a5bc330, 0x87363fee, 0x2a55d545, 0x87342bc9,
+    0x2a4fe740, 0x873217ee,
+  0x2a49f920, 0x8730045d, 0x2a440ae7, 0x872df117, 0x2a3e1c93, 0x872bde1c,
+    0x2a382e25, 0x8729cb6b,
+  0x2a323f9e, 0x8727b905, 0x2a2c50fc, 0x8725a6e9, 0x2a266240, 0x87239518,
+    0x2a20736a, 0x87218391,
+  0x2a1a847b, 0x871f7255, 0x2a149571, 0x871d6163, 0x2a0ea64d, 0x871b50bc,
+    0x2a08b710, 0x87194060,
+  0x2a02c7b8, 0x8717304e, 0x29fcd847, 0x87152087, 0x29f6e8bb, 0x8713110a,
+    0x29f0f916, 0x871101d8,
+  0x29eb0957, 0x870ef2f1, 0x29e5197e, 0x870ce454, 0x29df298b, 0x870ad602,
+    0x29d9397f, 0x8708c7fa,
+  0x29d34958, 0x8706ba3d, 0x29cd5918, 0x8704acca, 0x29c768be, 0x87029fa3,
+    0x29c1784a, 0x870092c5,
+  0x29bb87bc, 0x86fe8633, 0x29b59715, 0x86fc79eb, 0x29afa654, 0x86fa6dee,
+    0x29a9b579, 0x86f8623b,
+  0x29a3c485, 0x86f656d3, 0x299dd377, 0x86f44bb6, 0x2997e24f, 0x86f240e3,
+    0x2991f10e, 0x86f0365c,
+  0x298bffb2, 0x86ee2c1e, 0x29860e3e, 0x86ec222c, 0x29801caf, 0x86ea1884,
+    0x297a2b07, 0x86e80f27,
+  0x29743946, 0x86e60614, 0x296e476b, 0x86e3fd4c, 0x29685576, 0x86e1f4cf,
+    0x29626368, 0x86dfec9d,
+  0x295c7140, 0x86dde4b5, 0x29567eff, 0x86dbdd18, 0x29508ca4, 0x86d9d5c6,
+    0x294a9a30, 0x86d7cebf,
+  0x2944a7a2, 0x86d5c802, 0x293eb4fb, 0x86d3c190, 0x2938c23a, 0x86d1bb69,
+    0x2932cf60, 0x86cfb58c,
+  0x292cdc6d, 0x86cdaffa, 0x2926e960, 0x86cbaab3, 0x2920f63a, 0x86c9a5b7,
+    0x291b02fa, 0x86c7a106,
+  0x29150fa1, 0x86c59c9f, 0x290f1c2f, 0x86c39883, 0x290928a3, 0x86c194b2,
+    0x290334ff, 0x86bf912c,
+  0x28fd4140, 0x86bd8df0, 0x28f74d69, 0x86bb8b00, 0x28f15978, 0x86b9885a,
+    0x28eb656e, 0x86b785ff,
+  0x28e5714b, 0x86b583ee, 0x28df7d0e, 0x86b38229, 0x28d988b8, 0x86b180ae,
+    0x28d3944a, 0x86af7f7e,
+  0x28cd9fc1, 0x86ad7e99, 0x28c7ab20, 0x86ab7dff, 0x28c1b666, 0x86a97db0,
+    0x28bbc192, 0x86a77dab,
+  0x28b5cca5, 0x86a57df2, 0x28afd7a0, 0x86a37e83, 0x28a9e281, 0x86a17f5f,
+    0x28a3ed49, 0x869f8086,
+  0x289df7f8, 0x869d81f8, 0x2898028e, 0x869b83b4, 0x28920d0a, 0x869985bc,
+    0x288c176e, 0x8697880f,
+  0x288621b9, 0x86958aac, 0x28802beb, 0x86938d94, 0x287a3604, 0x869190c7,
+    0x28744004, 0x868f9445,
+  0x286e49ea, 0x868d980e, 0x286853b8, 0x868b9c22, 0x28625d6d, 0x8689a081,
+    0x285c670a, 0x8687a52b,
+  0x2856708d, 0x8685aa20, 0x285079f7, 0x8683af5f, 0x284a8349, 0x8681b4ea,
+    0x28448c81, 0x867fbabf,
+  0x283e95a1, 0x867dc0e0, 0x28389ea8, 0x867bc74b, 0x2832a796, 0x8679ce01,
+    0x282cb06c, 0x8677d503,
+  0x2826b928, 0x8675dc4f, 0x2820c1cc, 0x8673e3e6, 0x281aca57, 0x8671ebc8,
+    0x2814d2c9, 0x866ff3f6,
+  0x280edb23, 0x866dfc6e, 0x2808e364, 0x866c0531, 0x2802eb8c, 0x866a0e3f,
+    0x27fcf39c, 0x86681798,
+  0x27f6fb92, 0x8666213c, 0x27f10371, 0x86642b2c, 0x27eb0b36, 0x86623566,
+    0x27e512e3, 0x86603feb,
+  0x27df1a77, 0x865e4abb, 0x27d921f3, 0x865c55d7, 0x27d32956, 0x865a613d,
+    0x27cd30a1, 0x86586cee,
+  0x27c737d3, 0x865678eb, 0x27c13eec, 0x86548532, 0x27bb45ed, 0x865291c4,
+    0x27b54cd6, 0x86509ea2,
+  0x27af53a6, 0x864eabcb, 0x27a95a5d, 0x864cb93e, 0x27a360fc, 0x864ac6fd,
+    0x279d6783, 0x8648d507,
+  0x27976df1, 0x8646e35c, 0x27917447, 0x8644f1fc, 0x278b7a84, 0x864300e7,
+    0x278580a9, 0x8641101d,
+  0x277f86b5, 0x863f1f9e, 0x27798caa, 0x863d2f6b, 0x27739285, 0x863b3f82,
+    0x276d9849, 0x86394fe5,
+  0x27679df4, 0x86376092, 0x2761a387, 0x8635718b, 0x275ba901, 0x863382cf,
+    0x2755ae64, 0x8631945e,
+  0x274fb3ae, 0x862fa638, 0x2749b8e0, 0x862db85e, 0x2743bdf9, 0x862bcace,
+    0x273dc2fa, 0x8629dd8a,
+  0x2737c7e3, 0x8627f091, 0x2731ccb4, 0x862603e3, 0x272bd16d, 0x86241780,
+    0x2725d60e, 0x86222b68,
+  0x271fda96, 0x86203f9c, 0x2719df06, 0x861e541a, 0x2713e35f, 0x861c68e4,
+    0x270de79f, 0x861a7df9,
+  0x2707ebc7, 0x86189359, 0x2701efd7, 0x8616a905, 0x26fbf3ce, 0x8614befb,
+    0x26f5f7ae, 0x8612d53d,
+  0x26effb76, 0x8610ebca, 0x26e9ff26, 0x860f02a3, 0x26e402bd, 0x860d19c6,
+    0x26de063d, 0x860b3135,
+  0x26d809a5, 0x860948ef, 0x26d20cf5, 0x860760f4, 0x26cc102d, 0x86057944,
+    0x26c6134d, 0x860391e0,
+  0x26c01655, 0x8601aac7, 0x26ba1945, 0x85ffc3f9, 0x26b41c1d, 0x85fddd76,
+    0x26ae1edd, 0x85fbf73f,
+  0x26a82186, 0x85fa1153, 0x26a22416, 0x85f82bb2, 0x269c268f, 0x85f6465c,
+    0x269628f0, 0x85f46152,
+  0x26902b39, 0x85f27c93, 0x268a2d6b, 0x85f09820, 0x26842f84, 0x85eeb3f7,
+    0x267e3186, 0x85ecd01a,
+  0x26783370, 0x85eaec88, 0x26723543, 0x85e90942, 0x266c36fe, 0x85e72647,
+    0x266638a1, 0x85e54397,
+  0x26603a2c, 0x85e36132, 0x265a3b9f, 0x85e17f19, 0x26543cfb, 0x85df9d4b,
+    0x264e3e40, 0x85ddbbc9,
+  0x26483f6c, 0x85dbda91, 0x26424082, 0x85d9f9a5, 0x263c417f, 0x85d81905,
+    0x26364265, 0x85d638b0,
+  0x26304333, 0x85d458a6, 0x262a43ea, 0x85d278e7, 0x26244489, 0x85d09974,
+    0x261e4511, 0x85ceba4d,
+  0x26184581, 0x85ccdb70, 0x261245da, 0x85cafcdf, 0x260c461b, 0x85c91e9a,
+    0x26064645, 0x85c740a0,
+  0x26004657, 0x85c562f1, 0x25fa4652, 0x85c3858d, 0x25f44635, 0x85c1a875,
+    0x25ee4601, 0x85bfcba9,
+  0x25e845b6, 0x85bdef28, 0x25e24553, 0x85bc12f2, 0x25dc44d9, 0x85ba3707,
+    0x25d64447, 0x85b85b68,
+  0x25d0439f, 0x85b68015, 0x25ca42de, 0x85b4a50d, 0x25c44207, 0x85b2ca50,
+    0x25be4118, 0x85b0efdf,
+  0x25b84012, 0x85af15b9, 0x25b23ef5, 0x85ad3bdf, 0x25ac3dc0, 0x85ab6250,
+    0x25a63c74, 0x85a9890d,
+  0x25a03b11, 0x85a7b015, 0x259a3997, 0x85a5d768, 0x25943806, 0x85a3ff07,
+    0x258e365d, 0x85a226f2,
+  0x2588349d, 0x85a04f28, 0x258232c6, 0x859e77a9, 0x257c30d8, 0x859ca076,
+    0x25762ed3, 0x859ac98f,
+  0x25702cb7, 0x8598f2f3, 0x256a2a83, 0x85971ca2, 0x25642839, 0x8595469d,
+    0x255e25d7, 0x859370e4,
+  0x2558235f, 0x85919b76, 0x255220cf, 0x858fc653, 0x254c1e28, 0x858df17c,
+    0x25461b6b, 0x858c1cf1,
+  0x25401896, 0x858a48b1, 0x253a15aa, 0x858874bd, 0x253412a8, 0x8586a114,
+    0x252e0f8e, 0x8584cdb7,
+  0x25280c5e, 0x8582faa5, 0x25220916, 0x858127df, 0x251c05b8, 0x857f5564,
+    0x25160243, 0x857d8335,
+  0x250ffeb7, 0x857bb152, 0x2509fb14, 0x8579dfba, 0x2503f75a, 0x85780e6e,
+    0x24fdf389, 0x85763d6d,
+  0x24f7efa2, 0x85746cb8, 0x24f1eba4, 0x85729c4e, 0x24ebe78f, 0x8570cc30,
+    0x24e5e363, 0x856efc5e,
+  0x24dfdf20, 0x856d2cd7, 0x24d9dac7, 0x856b5d9c, 0x24d3d657, 0x85698ead,
+    0x24cdd1d0, 0x8567c009,
+  0x24c7cd33, 0x8565f1b0, 0x24c1c87f, 0x856423a4, 0x24bbc3b4, 0x856255e3,
+    0x24b5bed2, 0x8560886d,
+  0x24afb9da, 0x855ebb44, 0x24a9b4cb, 0x855cee66, 0x24a3afa6, 0x855b21d3,
+    0x249daa6a, 0x8559558c,
+  0x2497a517, 0x85578991, 0x24919fae, 0x8555bde2, 0x248b9a2f, 0x8553f27e,
+    0x24859498, 0x85522766,
+  0x247f8eec, 0x85505c99, 0x24798928, 0x854e9219, 0x2473834f, 0x854cc7e3,
+    0x246d7d5e, 0x854afdfa,
+  0x24677758, 0x8549345c, 0x2461713a, 0x85476b0a, 0x245b6b07, 0x8545a204,
+    0x245564bd, 0x8543d949,
+  0x244f5e5c, 0x854210db, 0x244957e5, 0x854048b7, 0x24435158, 0x853e80e0,
+    0x243d4ab4, 0x853cb954,
+  0x243743fa, 0x853af214, 0x24313d2a, 0x85392b20, 0x242b3644, 0x85376477,
+    0x24252f47, 0x85359e1a,
+  0x241f2833, 0x8533d809, 0x2419210a, 0x85321244, 0x241319ca, 0x85304cca,
+    0x240d1274, 0x852e879d,
+  0x24070b08, 0x852cc2bb, 0x24010385, 0x852afe24, 0x23fafbec, 0x852939da,
+    0x23f4f43e, 0x852775db,
+  0x23eeec78, 0x8525b228, 0x23e8e49d, 0x8523eec1, 0x23e2dcac, 0x85222ba5,
+    0x23dcd4a4, 0x852068d6,
+  0x23d6cc87, 0x851ea652, 0x23d0c453, 0x851ce41a, 0x23cabc09, 0x851b222e,
+    0x23c4b3a9, 0x8519608d,
+  0x23beab33, 0x85179f39, 0x23b8a2a7, 0x8515de30, 0x23b29a05, 0x85141d73,
+    0x23ac914d, 0x85125d02,
+  0x23a6887f, 0x85109cdd, 0x23a07f9a, 0x850edd03, 0x239a76a0, 0x850d1d75,
+    0x23946d90, 0x850b5e34,
+  0x238e646a, 0x85099f3e, 0x23885b2e, 0x8507e094, 0x238251dd, 0x85062235,
+    0x237c4875, 0x85046423,
+  0x23763ef7, 0x8502a65c, 0x23703564, 0x8500e8e2, 0x236a2bba, 0x84ff2bb3,
+    0x236421fb, 0x84fd6ed0,
+  0x235e1826, 0x84fbb239, 0x23580e3b, 0x84f9f5ee, 0x2352043b, 0x84f839ee,
+    0x234bfa24, 0x84f67e3b,
+  0x2345eff8, 0x84f4c2d4, 0x233fe5b6, 0x84f307b8, 0x2339db5e, 0x84f14ce8,
+    0x2333d0f1, 0x84ef9265,
+  0x232dc66d, 0x84edd82d, 0x2327bbd5, 0x84ec1e41, 0x2321b126, 0x84ea64a1,
+    0x231ba662, 0x84e8ab4d,
+  0x23159b88, 0x84e6f244, 0x230f9098, 0x84e53988, 0x23098593, 0x84e38118,
+    0x23037a78, 0x84e1c8f3,
+  0x22fd6f48, 0x84e0111b, 0x22f76402, 0x84de598f, 0x22f158a7, 0x84dca24e,
+    0x22eb4d36, 0x84daeb5a,
+  0x22e541af, 0x84d934b1, 0x22df3613, 0x84d77e54, 0x22d92a61, 0x84d5c844,
+    0x22d31e9a, 0x84d4127f,
+  0x22cd12bd, 0x84d25d06, 0x22c706cb, 0x84d0a7da, 0x22c0fac4, 0x84cef2f9,
+    0x22baeea7, 0x84cd3e64,
+  0x22b4e274, 0x84cb8a1b, 0x22aed62c, 0x84c9d61f, 0x22a8c9cf, 0x84c8226e,
+    0x22a2bd5d, 0x84c66f09,
+  0x229cb0d5, 0x84c4bbf0, 0x2296a437, 0x84c30924, 0x22909785, 0x84c156a3,
+    0x228a8abd, 0x84bfa46e,
+  0x22847de0, 0x84bdf286, 0x227e70ed, 0x84bc40e9, 0x227863e5, 0x84ba8f98,
+    0x227256c8, 0x84b8de94,
+  0x226c4996, 0x84b72ddb, 0x22663c4e, 0x84b57d6f, 0x22602ef1, 0x84b3cd4f,
+    0x225a217f, 0x84b21d7a,
+  0x225413f8, 0x84b06df2, 0x224e065c, 0x84aebeb6, 0x2247f8aa, 0x84ad0fc6,
+    0x2241eae3, 0x84ab6122,
+  0x223bdd08, 0x84a9b2ca, 0x2235cf17, 0x84a804be, 0x222fc111, 0x84a656fe,
+    0x2229b2f6, 0x84a4a98a,
+  0x2223a4c5, 0x84a2fc62, 0x221d9680, 0x84a14f87, 0x22178826, 0x849fa2f7,
+    0x221179b7, 0x849df6b4,
+  0x220b6b32, 0x849c4abd, 0x22055c99, 0x849a9f12, 0x21ff4dea, 0x8498f3b3,
+    0x21f93f27, 0x849748a0,
+  0x21f3304f, 0x84959dd9, 0x21ed2162, 0x8493f35e, 0x21e71260, 0x84924930,
+    0x21e10349, 0x84909f4e,
+  0x21daf41d, 0x848ef5b7, 0x21d4e4dc, 0x848d4c6d, 0x21ced586, 0x848ba36f,
+    0x21c8c61c, 0x8489fabe,
+  0x21c2b69c, 0x84885258, 0x21bca708, 0x8486aa3e, 0x21b6975f, 0x84850271,
+    0x21b087a1, 0x84835af0,
+  0x21aa77cf, 0x8481b3bb, 0x21a467e7, 0x84800cd2, 0x219e57eb, 0x847e6636,
+    0x219847da, 0x847cbfe5,
+  0x219237b5, 0x847b19e1, 0x218c277a, 0x84797429, 0x2186172b, 0x8477cebd,
+    0x218006c8, 0x8476299e,
+  0x2179f64f, 0x847484ca, 0x2173e5c2, 0x8472e043, 0x216dd521, 0x84713c08,
+    0x2167c46b, 0x846f9819,
+  0x2161b3a0, 0x846df477, 0x215ba2c0, 0x846c5120, 0x215591cc, 0x846aae16,
+    0x214f80c4, 0x84690b58,
+  0x21496fa7, 0x846768e7, 0x21435e75, 0x8465c6c1, 0x213d4d2f, 0x846424e8,
+    0x21373bd4, 0x8462835b,
+  0x21312a65, 0x8460e21a, 0x212b18e1, 0x845f4126, 0x21250749, 0x845da07e,
+    0x211ef59d, 0x845c0022,
+  0x2118e3dc, 0x845a6012, 0x2112d206, 0x8458c04f, 0x210cc01d, 0x845720d8,
+    0x2106ae1e, 0x845581ad,
+  0x21009c0c, 0x8453e2cf, 0x20fa89e5, 0x8452443d, 0x20f477aa, 0x8450a5f7,
+    0x20ee655a, 0x844f07fd,
+  0x20e852f6, 0x844d6a50, 0x20e2407e, 0x844bccef, 0x20dc2df2, 0x844a2fda,
+    0x20d61b51, 0x84489311,
+  0x20d0089c, 0x8446f695, 0x20c9f5d3, 0x84455a66, 0x20c3e2f5, 0x8443be82,
+    0x20bdd003, 0x844222eb,
+  0x20b7bcfe, 0x844087a0, 0x20b1a9e4, 0x843eeca2, 0x20ab96b5, 0x843d51f0,
+    0x20a58373, 0x843bb78a,
+  0x209f701c, 0x843a1d70, 0x20995cb2, 0x843883a3, 0x20934933, 0x8436ea23,
+    0x208d35a0, 0x843550ee,
+  0x208721f9, 0x8433b806, 0x20810e3e, 0x84321f6b, 0x207afa6f, 0x8430871b,
+    0x2074e68c, 0x842eef18,
+  0x206ed295, 0x842d5762, 0x2068be8a, 0x842bbff8, 0x2062aa6b, 0x842a28da,
+    0x205c9638, 0x84289209,
+  0x205681f1, 0x8426fb84, 0x20506d96, 0x8425654b, 0x204a5927, 0x8423cf5f,
+    0x204444a4, 0x842239bf,
+  0x203e300d, 0x8420a46c, 0x20381b63, 0x841f0f65, 0x203206a4, 0x841d7aaa,
+    0x202bf1d2, 0x841be63c,
+  0x2025dcec, 0x841a521a, 0x201fc7f2, 0x8418be45, 0x2019b2e4, 0x84172abc,
+    0x20139dc2, 0x84159780,
+  0x200d888d, 0x84140490, 0x20077344, 0x841271ec, 0x20015de7, 0x8410df95,
+    0x1ffb4876, 0x840f4d8a,
+  0x1ff532f2, 0x840dbbcc, 0x1fef1d59, 0x840c2a5a, 0x1fe907ae, 0x840a9935,
+    0x1fe2f1ee, 0x8409085c,
+  0x1fdcdc1b, 0x840777d0, 0x1fd6c634, 0x8405e790, 0x1fd0b03a, 0x8404579d,
+    0x1fca9a2b, 0x8402c7f6,
+  0x1fc4840a, 0x8401389b, 0x1fbe6dd4, 0x83ffa98d, 0x1fb8578b, 0x83fe1acc,
+    0x1fb2412f, 0x83fc8c57,
+  0x1fac2abf, 0x83fafe2e, 0x1fa6143b, 0x83f97052, 0x1f9ffda4, 0x83f7e2c3,
+    0x1f99e6fa, 0x83f65580,
+  0x1f93d03c, 0x83f4c889, 0x1f8db96a, 0x83f33bdf, 0x1f87a285, 0x83f1af82,
+    0x1f818b8d, 0x83f02371,
+  0x1f7b7481, 0x83ee97ad, 0x1f755d61, 0x83ed0c35, 0x1f6f462f, 0x83eb810a,
+    0x1f692ee9, 0x83e9f62b,
+  0x1f63178f, 0x83e86b99, 0x1f5d0022, 0x83e6e153, 0x1f56e8a2, 0x83e5575a,
+    0x1f50d10e, 0x83e3cdad,
+  0x1f4ab968, 0x83e2444d, 0x1f44a1ad, 0x83e0bb3a, 0x1f3e89e0, 0x83df3273,
+    0x1f3871ff, 0x83dda9f9,
+  0x1f325a0b, 0x83dc21cb, 0x1f2c4204, 0x83da99ea, 0x1f2629ea, 0x83d91255,
+    0x1f2011bc, 0x83d78b0d,
+  0x1f19f97b, 0x83d60412, 0x1f13e127, 0x83d47d63, 0x1f0dc8c0, 0x83d2f701,
+    0x1f07b045, 0x83d170eb,
+  0x1f0197b8, 0x83cfeb22, 0x1efb7f17, 0x83ce65a6, 0x1ef56664, 0x83cce076,
+    0x1eef4d9d, 0x83cb5b93,
+  0x1ee934c3, 0x83c9d6fc, 0x1ee31bd6, 0x83c852b2, 0x1edd02d6, 0x83c6ceb5,
+    0x1ed6e9c3, 0x83c54b04,
+  0x1ed0d09d, 0x83c3c7a0, 0x1ecab763, 0x83c24488, 0x1ec49e17, 0x83c0c1be,
+    0x1ebe84b8, 0x83bf3f3f,
+  0x1eb86b46, 0x83bdbd0e, 0x1eb251c1, 0x83bc3b29, 0x1eac3829, 0x83bab991,
+    0x1ea61e7e, 0x83b93845,
+  0x1ea004c1, 0x83b7b746, 0x1e99eaf0, 0x83b63694, 0x1e93d10c, 0x83b4b62e,
+    0x1e8db716, 0x83b33616,
+  0x1e879d0d, 0x83b1b649, 0x1e8182f1, 0x83b036ca, 0x1e7b68c2, 0x83aeb797,
+    0x1e754e80, 0x83ad38b1,
+  0x1e6f342c, 0x83abba17, 0x1e6919c4, 0x83aa3bca, 0x1e62ff4a, 0x83a8bdca,
+    0x1e5ce4be, 0x83a74017,
+  0x1e56ca1e, 0x83a5c2b0, 0x1e50af6c, 0x83a44596, 0x1e4a94a7, 0x83a2c8c9,
+    0x1e4479cf, 0x83a14c48,
+  0x1e3e5ee5, 0x839fd014, 0x1e3843e8, 0x839e542d, 0x1e3228d9, 0x839cd893,
+    0x1e2c0db6, 0x839b5d45,
+  0x1e25f282, 0x8399e244, 0x1e1fd73a, 0x83986790, 0x1e19bbe0, 0x8396ed29,
+    0x1e13a074, 0x8395730e,
+  0x1e0d84f5, 0x8393f940, 0x1e076963, 0x83927fbf, 0x1e014dbf, 0x8391068a,
+    0x1dfb3208, 0x838f8da2,
+  0x1df5163f, 0x838e1507, 0x1deefa63, 0x838c9cb9, 0x1de8de75, 0x838b24b8,
+    0x1de2c275, 0x8389ad03,
+  0x1ddca662, 0x8388359b, 0x1dd68a3c, 0x8386be80, 0x1dd06e04, 0x838547b2,
+    0x1dca51ba, 0x8383d130,
+  0x1dc4355e, 0x83825afb, 0x1dbe18ef, 0x8380e513, 0x1db7fc6d, 0x837f6f78,
+    0x1db1dfda, 0x837dfa2a,
+  0x1dabc334, 0x837c8528, 0x1da5a67c, 0x837b1074, 0x1d9f89b1, 0x83799c0c,
+    0x1d996cd4, 0x837827f0,
+  0x1d934fe5, 0x8376b422, 0x1d8d32e4, 0x837540a1, 0x1d8715d0, 0x8373cd6c,
+    0x1d80f8ab, 0x83725a84,
+  0x1d7adb73, 0x8370e7e9, 0x1d74be29, 0x836f759b, 0x1d6ea0cc, 0x836e039a,
+    0x1d68835e, 0x836c91e5,
+  0x1d6265dd, 0x836b207d, 0x1d5c484b, 0x8369af63, 0x1d562aa6, 0x83683e95,
+    0x1d500cef, 0x8366ce14,
+  0x1d49ef26, 0x83655ddf, 0x1d43d14b, 0x8363edf8, 0x1d3db35e, 0x83627e5d,
+    0x1d37955e, 0x83610f10,
+  0x1d31774d, 0x835fa00f, 0x1d2b592a, 0x835e315b, 0x1d253af5, 0x835cc2f4,
+    0x1d1f1cae, 0x835b54da,
+  0x1d18fe54, 0x8359e70d, 0x1d12dfe9, 0x8358798c, 0x1d0cc16c, 0x83570c59,
+    0x1d06a2dd, 0x83559f72,
+  0x1d00843d, 0x835432d8, 0x1cfa658a, 0x8352c68c, 0x1cf446c5, 0x83515a8c,
+    0x1cee27ef, 0x834feed9,
+  0x1ce80906, 0x834e8373, 0x1ce1ea0c, 0x834d185a, 0x1cdbcb00, 0x834bad8e,
+    0x1cd5abe3, 0x834a430e,
+  0x1ccf8cb3, 0x8348d8dc, 0x1cc96d72, 0x83476ef6, 0x1cc34e1f, 0x8346055e,
+    0x1cbd2eba, 0x83449c12,
+  0x1cb70f43, 0x83433314, 0x1cb0efbb, 0x8341ca62, 0x1caad021, 0x834061fd,
+    0x1ca4b075, 0x833ef9e6,
+  0x1c9e90b8, 0x833d921b, 0x1c9870e9, 0x833c2a9d, 0x1c925109, 0x833ac36c,
+    0x1c8c3116, 0x83395c88,
+  0x1c861113, 0x8337f5f1, 0x1c7ff0fd, 0x83368fa7, 0x1c79d0d6, 0x833529aa,
+    0x1c73b09d, 0x8333c3fa,
+  0x1c6d9053, 0x83325e97, 0x1c676ff8, 0x8330f981, 0x1c614f8b, 0x832f94b8,
+    0x1c5b2f0c, 0x832e303c,
+  0x1c550e7c, 0x832ccc0d, 0x1c4eedda, 0x832b682b, 0x1c48cd27, 0x832a0496,
+    0x1c42ac62, 0x8328a14d,
+  0x1c3c8b8c, 0x83273e52, 0x1c366aa5, 0x8325dba4, 0x1c3049ac, 0x83247943,
+    0x1c2a28a2, 0x8323172f,
+  0x1c240786, 0x8321b568, 0x1c1de659, 0x832053ee, 0x1c17c51b, 0x831ef2c1,
+    0x1c11a3cb, 0x831d91e1,
+  0x1c0b826a, 0x831c314e, 0x1c0560f8, 0x831ad109, 0x1bff3f75, 0x83197110,
+    0x1bf91de0, 0x83181164,
+  0x1bf2fc3a, 0x8316b205, 0x1becda83, 0x831552f4, 0x1be6b8ba, 0x8313f42f,
+    0x1be096e0, 0x831295b7,
+  0x1bda74f6, 0x8311378d, 0x1bd452f9, 0x830fd9af, 0x1bce30ec, 0x830e7c1f,
+    0x1bc80ece, 0x830d1edc,
+  0x1bc1ec9e, 0x830bc1e6, 0x1bbbca5e, 0x830a653c, 0x1bb5a80c, 0x830908e0,
+    0x1baf85a9, 0x8307acd1,
+  0x1ba96335, 0x83065110, 0x1ba340b0, 0x8304f59b, 0x1b9d1e1a, 0x83039a73,
+    0x1b96fb73, 0x83023f98,
+  0x1b90d8bb, 0x8300e50b, 0x1b8ab5f2, 0x82ff8acb, 0x1b849317, 0x82fe30d7,
+    0x1b7e702c, 0x82fcd731,
+  0x1b784d30, 0x82fb7dd8, 0x1b722a23, 0x82fa24cc, 0x1b6c0705, 0x82f8cc0d,
+    0x1b65e3d7, 0x82f7739c,
+  0x1b5fc097, 0x82f61b77, 0x1b599d46, 0x82f4c3a0, 0x1b5379e5, 0x82f36c15,
+    0x1b4d5672, 0x82f214d8,
+  0x1b4732ef, 0x82f0bde8, 0x1b410f5b, 0x82ef6745, 0x1b3aebb6, 0x82ee10ef,
+    0x1b34c801, 0x82ecbae7,
+  0x1b2ea43a, 0x82eb652b, 0x1b288063, 0x82ea0fbd, 0x1b225c7b, 0x82e8ba9c,
+    0x1b1c3883, 0x82e765c8,
+  0x1b161479, 0x82e61141, 0x1b0ff05f, 0x82e4bd07, 0x1b09cc34, 0x82e3691b,
+    0x1b03a7f9, 0x82e2157c,
+  0x1afd83ad, 0x82e0c22a, 0x1af75f50, 0x82df6f25, 0x1af13ae3, 0x82de1c6d,
+    0x1aeb1665, 0x82dcca02,
+  0x1ae4f1d6, 0x82db77e5, 0x1adecd37, 0x82da2615, 0x1ad8a887, 0x82d8d492,
+    0x1ad283c7, 0x82d7835c,
+  0x1acc5ef6, 0x82d63274, 0x1ac63a14, 0x82d4e1d8, 0x1ac01522, 0x82d3918a,
+    0x1ab9f020, 0x82d24189,
+  0x1ab3cb0d, 0x82d0f1d5, 0x1aada5e9, 0x82cfa26f, 0x1aa780b6, 0x82ce5356,
+    0x1aa15b71, 0x82cd048a,
+  0x1a9b361d, 0x82cbb60b, 0x1a9510b7, 0x82ca67d9, 0x1a8eeb42, 0x82c919f5,
+    0x1a88c5bc, 0x82c7cc5e,
+  0x1a82a026, 0x82c67f14, 0x1a7c7a7f, 0x82c53217, 0x1a7654c8, 0x82c3e568,
+    0x1a702f01, 0x82c29906,
+  0x1a6a0929, 0x82c14cf1, 0x1a63e341, 0x82c00129, 0x1a5dbd49, 0x82beb5af,
+    0x1a579741, 0x82bd6a82,
+  0x1a517128, 0x82bc1fa2, 0x1a4b4aff, 0x82bad50f, 0x1a4524c6, 0x82b98aca,
+    0x1a3efe7c, 0x82b840d2,
+  0x1a38d823, 0x82b6f727, 0x1a32b1b9, 0x82b5adca, 0x1a2c8b3f, 0x82b464ba,
+    0x1a2664b5, 0x82b31bf7,
+  0x1a203e1b, 0x82b1d381, 0x1a1a1771, 0x82b08b59, 0x1a13f0b6, 0x82af437e,
+    0x1a0dc9ec, 0x82adfbf0,
+  0x1a07a311, 0x82acb4b0, 0x1a017c27, 0x82ab6dbd, 0x19fb552c, 0x82aa2717,
+    0x19f52e22, 0x82a8e0bf,
+  0x19ef0707, 0x82a79ab3, 0x19e8dfdc, 0x82a654f6, 0x19e2b8a2, 0x82a50f85,
+    0x19dc9157, 0x82a3ca62,
+  0x19d669fc, 0x82a2858c, 0x19d04292, 0x82a14104, 0x19ca1b17, 0x829ffcc8,
+    0x19c3f38d, 0x829eb8db,
+  0x19bdcbf3, 0x829d753a, 0x19b7a449, 0x829c31e7, 0x19b17c8f, 0x829aeee1,
+    0x19ab54c5, 0x8299ac29,
+  0x19a52ceb, 0x829869be, 0x199f0502, 0x829727a0, 0x1998dd09, 0x8295e5cf,
+    0x1992b4ff, 0x8294a44c,
+  0x198c8ce7, 0x82936317, 0x198664be, 0x8292222e, 0x19803c86, 0x8290e194,
+    0x197a143e, 0x828fa146,
+  0x1973ebe6, 0x828e6146, 0x196dc37e, 0x828d2193, 0x19679b07, 0x828be22e,
+    0x19617280, 0x828aa316,
+  0x195b49ea, 0x8289644b, 0x19552144, 0x828825ce, 0x194ef88e, 0x8286e79e,
+    0x1948cfc8, 0x8285a9bb,
+  0x1942a6f3, 0x82846c26, 0x193c7e0f, 0x82832edf, 0x1936551b, 0x8281f1e4,
+    0x19302c17, 0x8280b538,
+  0x192a0304, 0x827f78d8, 0x1923d9e1, 0x827e3cc6, 0x191db0af, 0x827d0102,
+    0x1917876d, 0x827bc58a,
+  0x19115e1c, 0x827a8a61, 0x190b34bb, 0x82794f84, 0x19050b4b, 0x827814f6,
+    0x18fee1cb, 0x8276dab4,
+  0x18f8b83c, 0x8275a0c0, 0x18f28e9e, 0x8274671a, 0x18ec64f0, 0x82732dc0,
+    0x18e63b33, 0x8271f4b5,
+  0x18e01167, 0x8270bbf7, 0x18d9e78b, 0x826f8386, 0x18d3bda0, 0x826e4b62,
+    0x18cd93a5, 0x826d138d,
+  0x18c7699b, 0x826bdc04, 0x18c13f82, 0x826aa4c9, 0x18bb155a, 0x82696ddc,
+    0x18b4eb22, 0x8268373c,
+  0x18aec0db, 0x826700e9, 0x18a89685, 0x8265cae4, 0x18a26c20, 0x8264952d,
+    0x189c41ab, 0x82635fc2,
+  0x18961728, 0x82622aa6, 0x188fec95, 0x8260f5d7, 0x1889c1f3, 0x825fc155,
+    0x18839742, 0x825e8d21,
+  0x187d6c82, 0x825d593a, 0x187741b2, 0x825c25a1, 0x187116d4, 0x825af255,
+    0x186aebe6, 0x8259bf57,
+  0x1864c0ea, 0x82588ca7, 0x185e95de, 0x82575a44, 0x18586ac3, 0x8256282e,
+    0x18523f9a, 0x8254f666,
+  0x184c1461, 0x8253c4eb, 0x1845e919, 0x825293be, 0x183fbdc3, 0x825162df,
+    0x1839925d, 0x8250324d,
+  0x183366e9, 0x824f0208, 0x182d3b65, 0x824dd211, 0x18270fd3, 0x824ca268,
+    0x1820e431, 0x824b730c,
+  0x181ab881, 0x824a43fe, 0x18148cc2, 0x8249153d, 0x180e60f4, 0x8247e6ca,
+    0x18083518, 0x8246b8a4,
+  0x1802092c, 0x82458acc, 0x17fbdd32, 0x82445d41, 0x17f5b129, 0x82433004,
+    0x17ef8511, 0x82420315,
+  0x17e958ea, 0x8240d673, 0x17e32cb5, 0x823faa1e, 0x17dd0070, 0x823e7e18,
+    0x17d6d41d, 0x823d525e,
+  0x17d0a7bc, 0x823c26f3, 0x17ca7b4c, 0x823afbd5, 0x17c44ecd, 0x8239d104,
+    0x17be223f, 0x8238a681,
+  0x17b7f5a3, 0x82377c4c, 0x17b1c8f8, 0x82365264, 0x17ab9c3e, 0x823528ca,
+    0x17a56f76, 0x8233ff7e,
+  0x179f429f, 0x8232d67f, 0x179915ba, 0x8231adce, 0x1792e8c6, 0x8230856a,
+    0x178cbbc4, 0x822f5d54,
+  0x17868eb3, 0x822e358b, 0x17806194, 0x822d0e10, 0x177a3466, 0x822be6e3,
+    0x17740729, 0x822ac004,
+  0x176dd9de, 0x82299971, 0x1767ac85, 0x8228732d, 0x17617f1d, 0x82274d36,
+    0x175b51a7, 0x8226278d,
+  0x17552422, 0x82250232, 0x174ef68f, 0x8223dd24, 0x1748c8ee, 0x8222b863,
+    0x17429b3e, 0x822193f1,
+  0x173c6d80, 0x82206fcc, 0x17363fb4, 0x821f4bf5, 0x173011d9, 0x821e286b,
+    0x1729e3f0, 0x821d052f,
+  0x1723b5f9, 0x821be240, 0x171d87f3, 0x821abfa0, 0x171759df, 0x82199d4d,
+    0x17112bbd, 0x82187b47,
+  0x170afd8d, 0x82175990, 0x1704cf4f, 0x82163826, 0x16fea102, 0x82151709,
+    0x16f872a7, 0x8213f63a,
+  0x16f2443e, 0x8212d5b9, 0x16ec15c7, 0x8211b586, 0x16e5e741, 0x821095a0,
+    0x16dfb8ae, 0x820f7608,
+  0x16d98a0c, 0x820e56be, 0x16d35b5c, 0x820d37c1, 0x16cd2c9f, 0x820c1912,
+    0x16c6fdd3, 0x820afab1,
+  0x16c0cef9, 0x8209dc9e, 0x16baa011, 0x8208bed8, 0x16b4711b, 0x8207a160,
+    0x16ae4217, 0x82068435,
+  0x16a81305, 0x82056758, 0x16a1e3e5, 0x82044ac9, 0x169bb4b7, 0x82032e88,
+    0x1695857b, 0x82021294,
+  0x168f5632, 0x8200f6ef, 0x168926da, 0x81ffdb96, 0x1682f774, 0x81fec08c,
+    0x167cc801, 0x81fda5cf,
+  0x1676987f, 0x81fc8b60, 0x167068f0, 0x81fb713f, 0x166a3953, 0x81fa576c,
+    0x166409a8, 0x81f93de6,
+  0x165dd9f0, 0x81f824ae, 0x1657aa29, 0x81f70bc3, 0x16517a55, 0x81f5f327,
+    0x164b4a73, 0x81f4dad8,
+  0x16451a83, 0x81f3c2d7, 0x163eea86, 0x81f2ab24, 0x1638ba7a, 0x81f193be,
+    0x16328a61, 0x81f07ca6,
+  0x162c5a3b, 0x81ef65dc, 0x16262a06, 0x81ee4f60, 0x161ff9c4, 0x81ed3932,
+    0x1619c975, 0x81ec2351,
+  0x16139918, 0x81eb0dbe, 0x160d68ad, 0x81e9f879, 0x16073834, 0x81e8e381,
+    0x160107ae, 0x81e7ced8,
+  0x15fad71b, 0x81e6ba7c, 0x15f4a679, 0x81e5a66e, 0x15ee75cb, 0x81e492ad,
+    0x15e8450e, 0x81e37f3b,
+  0x15e21445, 0x81e26c16, 0x15dbe36d, 0x81e1593f, 0x15d5b288, 0x81e046b6,
+    0x15cf8196, 0x81df347b,
+  0x15c95097, 0x81de228d, 0x15c31f89, 0x81dd10ee, 0x15bcee6f, 0x81dbff9c,
+    0x15b6bd47, 0x81daee98,
+  0x15b08c12, 0x81d9dde1, 0x15aa5acf, 0x81d8cd79, 0x15a4297f, 0x81d7bd5e,
+    0x159df821, 0x81d6ad92,
+  0x1597c6b7, 0x81d59e13, 0x1591953e, 0x81d48ee1, 0x158b63b9, 0x81d37ffe,
+    0x15853226, 0x81d27169,
+  0x157f0086, 0x81d16321, 0x1578ced9, 0x81d05527, 0x15729d1f, 0x81cf477b,
+    0x156c6b57, 0x81ce3a1d,
+  0x15663982, 0x81cd2d0c, 0x156007a0, 0x81cc204a, 0x1559d5b1, 0x81cb13d5,
+    0x1553a3b4, 0x81ca07af,
+  0x154d71aa, 0x81c8fbd6, 0x15473f94, 0x81c7f04b, 0x15410d70, 0x81c6e50d,
+    0x153adb3f, 0x81c5da1e,
+  0x1534a901, 0x81c4cf7d, 0x152e76b5, 0x81c3c529, 0x1528445d, 0x81c2bb23,
+    0x152211f8, 0x81c1b16b,
+  0x151bdf86, 0x81c0a801, 0x1515ad06, 0x81bf9ee5, 0x150f7a7a, 0x81be9617,
+    0x150947e1, 0x81bd8d97,
+  0x1503153a, 0x81bc8564, 0x14fce287, 0x81bb7d7f, 0x14f6afc7, 0x81ba75e9,
+    0x14f07cf9, 0x81b96ea0,
+  0x14ea4a1f, 0x81b867a5, 0x14e41738, 0x81b760f8, 0x14dde445, 0x81b65a99,
+    0x14d7b144, 0x81b55488,
+  0x14d17e36, 0x81b44ec4, 0x14cb4b1c, 0x81b3494f, 0x14c517f4, 0x81b24427,
+    0x14bee4c0, 0x81b13f4e,
+  0x14b8b17f, 0x81b03ac2, 0x14b27e32, 0x81af3684, 0x14ac4ad7, 0x81ae3294,
+    0x14a61770, 0x81ad2ef2,
+  0x149fe3fc, 0x81ac2b9e, 0x1499b07c, 0x81ab2898, 0x14937cee, 0x81aa25e0,
+    0x148d4954, 0x81a92376,
+  0x148715ae, 0x81a82159, 0x1480e1fa, 0x81a71f8b, 0x147aae3a, 0x81a61e0b,
+    0x14747a6d, 0x81a51cd8,
+  0x146e4694, 0x81a41bf4, 0x146812ae, 0x81a31b5d, 0x1461debc, 0x81a21b14,
+    0x145baabd, 0x81a11b1a,
+  0x145576b1, 0x81a01b6d, 0x144f4299, 0x819f1c0e, 0x14490e74, 0x819e1cfd,
+    0x1442da43, 0x819d1e3a,
+  0x143ca605, 0x819c1fc5, 0x143671bb, 0x819b219e, 0x14303d65, 0x819a23c5,
+    0x142a0902, 0x8199263a,
+  0x1423d492, 0x819828fd, 0x141da016, 0x81972c0e, 0x14176b8e, 0x81962f6d,
+    0x141136f9, 0x8195331a,
+  0x140b0258, 0x81943715, 0x1404cdaa, 0x81933b5e, 0x13fe98f1, 0x81923ff4,
+    0x13f8642a, 0x819144d9,
+  0x13f22f58, 0x81904a0c, 0x13ebfa79, 0x818f4f8d, 0x13e5c58e, 0x818e555c,
+    0x13df9097, 0x818d5b78,
+  0x13d95b93, 0x818c61e3, 0x13d32683, 0x818b689c, 0x13ccf167, 0x818a6fa3,
+    0x13c6bc3f, 0x818976f8,
+  0x13c0870a, 0x81887e9a, 0x13ba51ca, 0x8187868b, 0x13b41c7d, 0x81868eca,
+    0x13ade724, 0x81859757,
+  0x13a7b1bf, 0x8184a032, 0x13a17c4d, 0x8183a95b, 0x139b46d0, 0x8182b2d1,
+    0x13951146, 0x8181bc96,
+  0x138edbb1, 0x8180c6a9, 0x1388a60f, 0x817fd10a, 0x13827062, 0x817edbb9,
+    0x137c3aa8, 0x817de6b6,
+  0x137604e2, 0x817cf201, 0x136fcf10, 0x817bfd9b, 0x13699933, 0x817b0982,
+    0x13636349, 0x817a15b7,
+  0x135d2d53, 0x8179223a, 0x1356f752, 0x81782f0b, 0x1350c144, 0x81773c2b,
+    0x134a8b2b, 0x81764998,
+  0x13445505, 0x81755754, 0x133e1ed4, 0x8174655d, 0x1337e897, 0x817373b5,
+    0x1331b24e, 0x8172825a,
+  0x132b7bf9, 0x8171914e, 0x13254599, 0x8170a090, 0x131f0f2c, 0x816fb020,
+    0x1318d8b4, 0x816ebffe,
+  0x1312a230, 0x816dd02a, 0x130c6ba0, 0x816ce0a4, 0x13063505, 0x816bf16c,
+    0x12fffe5d, 0x816b0282,
+  0x12f9c7aa, 0x816a13e6, 0x12f390ec, 0x81692599, 0x12ed5a21, 0x81683799,
+    0x12e7234b, 0x816749e8,
+  0x12e0ec6a, 0x81665c84, 0x12dab57c, 0x81656f6f, 0x12d47e83, 0x816482a8,
+    0x12ce477f, 0x8163962f,
+  0x12c8106f, 0x8162aa04, 0x12c1d953, 0x8161be27, 0x12bba22b, 0x8160d298,
+    0x12b56af9, 0x815fe758,
+  0x12af33ba, 0x815efc65, 0x12a8fc70, 0x815e11c1, 0x12a2c51b, 0x815d276a,
+    0x129c8dba, 0x815c3d62,
+  0x1296564d, 0x815b53a8, 0x12901ed5, 0x815a6a3c, 0x1289e752, 0x8159811e,
+    0x1283afc3, 0x8158984e,
+  0x127d7829, 0x8157afcd, 0x12774083, 0x8156c799, 0x127108d2, 0x8155dfb4,
+    0x126ad116, 0x8154f81d,
+  0x1264994e, 0x815410d4, 0x125e617b, 0x815329d9, 0x1258299c, 0x8152432c,
+    0x1251f1b3, 0x81515ccd,
+  0x124bb9be, 0x815076bd, 0x124581bd, 0x814f90fb, 0x123f49b2, 0x814eab86,
+    0x1239119b, 0x814dc660,
+  0x1232d979, 0x814ce188, 0x122ca14b, 0x814bfcff, 0x12266913, 0x814b18c3,
+    0x122030cf, 0x814a34d6,
+  0x1219f880, 0x81495136, 0x1213c026, 0x81486de5, 0x120d87c1, 0x81478ae2,
+    0x12074f50, 0x8146a82e,
+  0x120116d5, 0x8145c5c7, 0x11fade4e, 0x8144e3ae, 0x11f4a5bd, 0x814401e4,
+    0x11ee6d20, 0x81432068,
+  0x11e83478, 0x81423f3a, 0x11e1fbc5, 0x81415e5a, 0x11dbc307, 0x81407dc9,
+    0x11d58a3e, 0x813f9d86,
+  0x11cf516a, 0x813ebd90, 0x11c9188b, 0x813ddde9, 0x11c2dfa2, 0x813cfe91,
+    0x11bca6ad, 0x813c1f86,
+  0x11b66dad, 0x813b40ca, 0x11b034a2, 0x813a625b, 0x11a9fb8d, 0x8139843b,
+    0x11a3c26c, 0x8138a66a,
+  0x119d8941, 0x8137c8e6, 0x1197500a, 0x8136ebb1, 0x119116c9, 0x81360ec9,
+    0x118add7d, 0x81353230,
+  0x1184a427, 0x813455e6, 0x117e6ac5, 0x813379e9, 0x11783159, 0x81329e3b,
+    0x1171f7e2, 0x8131c2db,
+  0x116bbe60, 0x8130e7c9, 0x116584d3, 0x81300d05, 0x115f4b3c, 0x812f3290,
+    0x1159119a, 0x812e5868,
+  0x1152d7ed, 0x812d7e8f, 0x114c9e35, 0x812ca505, 0x11466473, 0x812bcbc8,
+    0x11402aa6, 0x812af2da,
+  0x1139f0cf, 0x812a1a3a, 0x1133b6ed, 0x812941e8, 0x112d7d00, 0x812869e4,
+    0x11274309, 0x8127922f,
+  0x11210907, 0x8126bac8, 0x111acefb, 0x8125e3af, 0x111494e4, 0x81250ce4,
+    0x110e5ac2, 0x81243668,
+  0x11082096, 0x8123603a, 0x1101e65f, 0x81228a5a, 0x10fbac1e, 0x8121b4c8,
+    0x10f571d3, 0x8120df85,
+  0x10ef377d, 0x81200a90, 0x10e8fd1c, 0x811f35e9, 0x10e2c2b2, 0x811e6191,
+    0x10dc883c, 0x811d8d86,
+  0x10d64dbd, 0x811cb9ca, 0x10d01333, 0x811be65d, 0x10c9d89e, 0x811b133d,
+    0x10c39dff, 0x811a406c,
+  0x10bd6356, 0x81196de9, 0x10b728a3, 0x81189bb4, 0x10b0ede5, 0x8117c9ce,
+    0x10aab31d, 0x8116f836,
+  0x10a4784b, 0x811626ec, 0x109e3d6e, 0x811555f1, 0x10980287, 0x81148544,
+    0x1091c796, 0x8113b4e5,
+  0x108b8c9b, 0x8112e4d4, 0x10855195, 0x81121512, 0x107f1686, 0x8111459e,
+    0x1078db6c, 0x81107678,
+  0x1072a048, 0x810fa7a0, 0x106c651a, 0x810ed917, 0x106629e1, 0x810e0adc,
+    0x105fee9f, 0x810d3cf0,
+  0x1059b352, 0x810c6f52, 0x105377fc, 0x810ba202, 0x104d3c9b, 0x810ad500,
+    0x10470130, 0x810a084d,
+  0x1040c5bb, 0x81093be8, 0x103a8a3d, 0x81086fd1, 0x10344eb4, 0x8107a409,
+    0x102e1321, 0x8106d88f,
+  0x1027d784, 0x81060d63, 0x10219bdd, 0x81054286, 0x101b602d, 0x810477f7,
+    0x10152472, 0x8103adb6,
+  0x100ee8ad, 0x8102e3c4, 0x1008acdf, 0x81021a20, 0x10027107, 0x810150ca,
+    0xffc3524, 0x810087c3,
+  0xff5f938, 0x80ffbf0a, 0xfefbd42, 0x80fef69f, 0xfe98143, 0x80fe2e83,
+    0xfe34539, 0x80fd66b5,
+  0xfdd0926, 0x80fc9f35, 0xfd6cd08, 0x80fbd804, 0xfd090e1, 0x80fb1121,
+    0xfca54b1, 0x80fa4a8c,
+  0xfc41876, 0x80f98446, 0xfbddc32, 0x80f8be4e, 0xfb79fe4, 0x80f7f8a4,
+    0xfb1638d, 0x80f73349,
+  0xfab272b, 0x80f66e3c, 0xfa4eac0, 0x80f5a97e, 0xf9eae4c, 0x80f4e50e,
+    0xf9871ce, 0x80f420ec,
+  0xf923546, 0x80f35d19, 0xf8bf8b4, 0x80f29994, 0xf85bc19, 0x80f1d65d,
+    0xf7f7f75, 0x80f11375,
+  0xf7942c7, 0x80f050db, 0xf73060f, 0x80ef8e90, 0xf6cc94e, 0x80eecc93,
+    0xf668c83, 0x80ee0ae4,
+  0xf604faf, 0x80ed4984, 0xf5a12d1, 0x80ec8872, 0xf53d5ea, 0x80ebc7ae,
+    0xf4d98f9, 0x80eb0739,
+  0xf475bff, 0x80ea4712, 0xf411efb, 0x80e9873a, 0xf3ae1ee, 0x80e8c7b0,
+    0xf34a4d8, 0x80e80874,
+  0xf2e67b8, 0x80e74987, 0xf282a8f, 0x80e68ae8, 0xf21ed5d, 0x80e5cc98,
+    0xf1bb021, 0x80e50e96,
+  0xf1572dc, 0x80e450e2, 0xf0f358e, 0x80e3937d, 0xf08f836, 0x80e2d666,
+    0xf02bad5, 0x80e2199e,
+  0xefc7d6b, 0x80e15d24, 0xef63ff7, 0x80e0a0f8, 0xef0027b, 0x80dfe51b,
+    0xee9c4f5, 0x80df298c,
+  0xee38766, 0x80de6e4c, 0xedd49ce, 0x80ddb35a, 0xed70c2c, 0x80dcf8b7,
+    0xed0ce82, 0x80dc3e62,
+  0xeca90ce, 0x80db845b, 0xec45311, 0x80dacaa3, 0xebe154b, 0x80da1139,
+    0xeb7d77c, 0x80d9581e,
+  0xeb199a4, 0x80d89f51, 0xeab5bc3, 0x80d7e6d3, 0xea51dd8, 0x80d72ea3,
+    0xe9edfe5, 0x80d676c1,
+  0xe98a1e9, 0x80d5bf2e, 0xe9263e3, 0x80d507e9, 0xe8c25d5, 0x80d450f3,
+    0xe85e7be, 0x80d39a4b,
+  0xe7fa99e, 0x80d2e3f2, 0xe796b74, 0x80d22de7, 0xe732d42, 0x80d1782a,
+    0xe6cef07, 0x80d0c2bc,
+  0xe66b0c3, 0x80d00d9d, 0xe607277, 0x80cf58cc, 0xe5a3421, 0x80cea449,
+    0xe53f5c2, 0x80cdf015,
+  0xe4db75b, 0x80cd3c2f, 0xe4778eb, 0x80cc8898, 0xe413a72, 0x80cbd54f,
+    0xe3afbf0, 0x80cb2255,
+  0xe34bd66, 0x80ca6fa9, 0xe2e7ed2, 0x80c9bd4c, 0xe284036, 0x80c90b3d,
+    0xe220191, 0x80c8597c,
+  0xe1bc2e4, 0x80c7a80a, 0xe15842e, 0x80c6f6e7, 0xe0f456f, 0x80c64612,
+    0xe0906a7, 0x80c5958b,
+  0xe02c7d7, 0x80c4e553, 0xdfc88fe, 0x80c4356a, 0xdf64a1c, 0x80c385cf,
+    0xdf00b32, 0x80c2d682,
+  0xde9cc40, 0x80c22784, 0xde38d44, 0x80c178d4, 0xddd4e40, 0x80c0ca73,
+    0xdd70f34, 0x80c01c60,
+  0xdd0d01f, 0x80bf6e9c, 0xdca9102, 0x80bec127, 0xdc451dc, 0x80be13ff,
+    0xdbe12ad, 0x80bd6727,
+  0xdb7d376, 0x80bcba9d, 0xdb19437, 0x80bc0e61, 0xdab54ef, 0x80bb6274,
+    0xda5159f, 0x80bab6d5,
+  0xd9ed646, 0x80ba0b85, 0xd9896e5, 0x80b96083, 0xd92577b, 0x80b8b5d0,
+    0xd8c1809, 0x80b80b6c,
+  0xd85d88f, 0x80b76156, 0xd7f990c, 0x80b6b78e, 0xd795982, 0x80b60e15,
+    0xd7319ee, 0x80b564ea,
+  0xd6cda53, 0x80b4bc0e, 0xd669aaf, 0x80b41381, 0xd605b03, 0x80b36b42,
+    0xd5a1b4f, 0x80b2c351,
+  0xd53db92, 0x80b21baf, 0xd4d9bcd, 0x80b1745c, 0xd475c00, 0x80b0cd57,
+    0xd411c2b, 0x80b026a1,
+  0xd3adc4e, 0x80af8039, 0xd349c68, 0x80aeda20, 0xd2e5c7b, 0x80ae3455,
+    0xd281c85, 0x80ad8ed9,
+  0xd21dc87, 0x80ace9ab, 0xd1b9c81, 0x80ac44cc, 0xd155c73, 0x80aba03b,
+    0xd0f1c5d, 0x80aafbf9,
+  0xd08dc3f, 0x80aa5806, 0xd029c18, 0x80a9b461, 0xcfc5bea, 0x80a9110b,
+    0xcf61bb4, 0x80a86e03,
+  0xcefdb76, 0x80a7cb49, 0xce99b2f, 0x80a728df, 0xce35ae1, 0x80a686c2,
+    0xcdd1a8b, 0x80a5e4f5,
+  0xcd6da2d, 0x80a54376, 0xcd099c7, 0x80a4a245, 0xcca5959, 0x80a40163,
+    0xcc418e3, 0x80a360d0,
+  0xcbdd865, 0x80a2c08b, 0xcb797e0, 0x80a22095, 0xcb15752, 0x80a180ed,
+    0xcab16bd, 0x80a0e194,
+  0xca4d620, 0x80a04289, 0xc9e957b, 0x809fa3cd, 0xc9854cf, 0x809f0560,
+    0xc92141a, 0x809e6741,
+  0xc8bd35e, 0x809dc971, 0xc85929a, 0x809d2bef, 0xc7f51cf, 0x809c8ebc,
+    0xc7910fb, 0x809bf1d7,
+  0xc72d020, 0x809b5541, 0xc6c8f3e, 0x809ab8fa, 0xc664e53, 0x809a1d01,
+    0xc600d61, 0x80998157,
+  0xc59cc68, 0x8098e5fb, 0xc538b66, 0x80984aee, 0xc4d4a5d, 0x8097b030,
+    0xc47094d, 0x809715c0,
+  0xc40c835, 0x80967b9f, 0xc3a8715, 0x8095e1cc, 0xc3445ee, 0x80954848,
+    0xc2e04c0, 0x8094af13,
+  0xc27c389, 0x8094162c, 0xc21824c, 0x80937d93, 0xc1b4107, 0x8092e54a,
+    0xc14ffba, 0x80924d4f,
+  0xc0ebe66, 0x8091b5a2, 0xc087d0a, 0x80911e44, 0xc023ba7, 0x80908735,
+    0xbfbfa3d, 0x808ff074,
+  0xbf5b8cb, 0x808f5a02, 0xbef7752, 0x808ec3df, 0xbe935d2, 0x808e2e0a,
+    0xbe2f44a, 0x808d9884,
+  0xbdcb2bb, 0x808d034c, 0xbd67124, 0x808c6e63, 0xbd02f87, 0x808bd9c9,
+    0xbc9ede2, 0x808b457d,
+  0xbc3ac35, 0x808ab180, 0xbbd6a82, 0x808a1dd2, 0xbb728c7, 0x80898a72,
+    0xbb0e705, 0x8088f761,
+  0xbaaa53b, 0x8088649e, 0xba4636b, 0x8087d22a, 0xb9e2193, 0x80874005,
+    0xb97dfb5, 0x8086ae2e,
+  0xb919dcf, 0x80861ca6, 0xb8b5be1, 0x80858b6c, 0xb8519ed, 0x8084fa82,
+    0xb7ed7f2, 0x808469e5,
+  0xb7895f0, 0x8083d998, 0xb7253e6, 0x80834999, 0xb6c11d5, 0x8082b9e9,
+    0xb65cfbe, 0x80822a87,
+  0xb5f8d9f, 0x80819b74, 0xb594b7a, 0x80810cb0, 0xb53094d, 0x80807e3a,
+    0xb4cc719, 0x807ff013,
+  0xb4684df, 0x807f623b, 0xb40429d, 0x807ed4b1, 0xb3a0055, 0x807e4776,
+    0xb33be05, 0x807dba89,
+  0xb2d7baf, 0x807d2dec, 0xb273952, 0x807ca19c, 0xb20f6ee, 0x807c159c,
+    0xb1ab483, 0x807b89ea,
+  0xb147211, 0x807afe87, 0xb0e2f98, 0x807a7373, 0xb07ed19, 0x8079e8ad,
+    0xb01aa92, 0x80795e36,
+  0xafb6805, 0x8078d40d, 0xaf52571, 0x80784a33, 0xaeee2d7, 0x8077c0a8,
+    0xae8a036, 0x8077376c,
+  0xae25d8d, 0x8076ae7e, 0xadc1adf, 0x807625df, 0xad5d829, 0x80759d8e,
+    0xacf956d, 0x8075158c,
+  0xac952aa, 0x80748dd9, 0xac30fe1, 0x80740675, 0xabccd11, 0x80737f5f,
+    0xab68a3a, 0x8072f898,
+  0xab0475c, 0x8072721f, 0xaaa0478, 0x8071ebf6, 0xaa3c18e, 0x8071661a,
+    0xa9d7e9d, 0x8070e08e,
+  0xa973ba5, 0x80705b50, 0xa90f8a7, 0x806fd661, 0xa8ab5a2, 0x806f51c1,
+    0xa847297, 0x806ecd6f,
+  0xa7e2f85, 0x806e496c, 0xa77ec6d, 0x806dc5b8, 0xa71a94f, 0x806d4253,
+    0xa6b662a, 0x806cbf3c,
+  0xa6522fe, 0x806c3c74, 0xa5edfcc, 0x806bb9fa, 0xa589c94, 0x806b37cf,
+    0xa525955, 0x806ab5f3,
+  0xa4c1610, 0x806a3466, 0xa45d2c5, 0x8069b327, 0xa3f8f73, 0x80693237,
+    0xa394c1b, 0x8068b196,
+  0xa3308bd, 0x80683143, 0xa2cc558, 0x8067b13f, 0xa2681ed, 0x8067318a,
+    0xa203e7c, 0x8066b224,
+  0xa19fb04, 0x8066330c, 0xa13b787, 0x8065b443, 0xa0d7403, 0x806535c9,
+    0xa073079, 0x8064b79d,
+  0xa00ece8, 0x806439c0, 0x9faa952, 0x8063bc32, 0x9f465b5, 0x80633ef3,
+    0x9ee2213, 0x8062c202,
+  0x9e7de6a, 0x80624560, 0x9e19abb, 0x8061c90c, 0x9db5706, 0x80614d08,
+    0x9d5134b, 0x8060d152,
+  0x9cecf89, 0x806055eb, 0x9c88bc2, 0x805fdad2, 0x9c247f5, 0x805f6009,
+    0x9bc0421, 0x805ee58e,
+  0x9b5c048, 0x805e6b62, 0x9af7c69, 0x805df184, 0x9a93884, 0x805d77f5,
+    0x9a2f498, 0x805cfeb5,
+  0x99cb0a7, 0x805c85c4, 0x9966cb0, 0x805c0d21, 0x99028b3, 0x805b94ce,
+    0x989e4b0, 0x805b1cc8,
+  0x983a0a7, 0x805aa512, 0x97d5c99, 0x805a2daa, 0x9771884, 0x8059b692,
+    0x970d46a, 0x80593fc7,
+  0x96a9049, 0x8058c94c, 0x9644c23, 0x8058531f, 0x95e07f8, 0x8057dd41,
+    0x957c3c6, 0x805767b2,
+  0x9517f8f, 0x8056f272, 0x94b3b52, 0x80567d80, 0x944f70f, 0x805608dd,
+    0x93eb2c6, 0x80559489,
+  0x9386e78, 0x80552084, 0x9322a24, 0x8054accd, 0x92be5ca, 0x80543965,
+    0x925a16b, 0x8053c64c,
+  0x91f5d06, 0x80535381, 0x919189c, 0x8052e106, 0x912d42c, 0x80526ed9,
+    0x90c8fb6, 0x8051fcfb,
+  0x9064b3a, 0x80518b6b, 0x90006ba, 0x80511a2b, 0x8f9c233, 0x8050a939,
+    0x8f37da7, 0x80503896,
+  0x8ed3916, 0x804fc841, 0x8e6f47f, 0x804f583c, 0x8e0afe2, 0x804ee885,
+    0x8da6b40, 0x804e791d,
+  0x8d42699, 0x804e0a04, 0x8cde1ec, 0x804d9b39, 0x8c79d3a, 0x804d2cbd,
+    0x8c15882, 0x804cbe90,
+  0x8bb13c5, 0x804c50b2, 0x8b4cf02, 0x804be323, 0x8ae8a3a, 0x804b75e2,
+    0x8a8456d, 0x804b08f0,
+  0x8a2009a, 0x804a9c4d, 0x89bbbc3, 0x804a2ff9, 0x89576e5, 0x8049c3f3,
+    0x88f3203, 0x8049583d,
+  0x888ed1b, 0x8048ecd5, 0x882a82e, 0x804881bb, 0x87c633c, 0x804816f1,
+    0x8761e44, 0x8047ac75,
+  0x86fd947, 0x80474248, 0x8699445, 0x8046d86a, 0x8634f3e, 0x80466edb,
+    0x85d0a32, 0x8046059b,
+  0x856c520, 0x80459ca9, 0x850800a, 0x80453406, 0x84a3aee, 0x8044cbb2,
+    0x843f5cd, 0x804463ad,
+  0x83db0a7, 0x8043fbf6, 0x8376b7c, 0x8043948e, 0x831264c, 0x80432d75,
+    0x82ae117, 0x8042c6ab,
+  0x8249bdd, 0x80426030, 0x81e569d, 0x8041fa03, 0x8181159, 0x80419425,
+    0x811cc10, 0x80412e96,
+  0x80b86c2, 0x8040c956, 0x805416e, 0x80406465, 0x7fefc16, 0x803fffc2,
+    0x7f8b6b9, 0x803f9b6f,
+  0x7f27157, 0x803f376a, 0x7ec2bf0, 0x803ed3b3, 0x7e5e685, 0x803e704c,
+    0x7dfa114, 0x803e0d34,
+  0x7d95b9e, 0x803daa6a, 0x7d31624, 0x803d47ef, 0x7ccd0a5, 0x803ce5c3,
+    0x7c68b21, 0x803c83e5,
+  0x7c04598, 0x803c2257, 0x7ba000b, 0x803bc117, 0x7b3ba78, 0x803b6026,
+    0x7ad74e1, 0x803aff84,
+  0x7a72f45, 0x803a9f31, 0x7a0e9a5, 0x803a3f2d, 0x79aa400, 0x8039df77,
+    0x7945e56, 0x80398010,
+  0x78e18a7, 0x803920f8, 0x787d2f4, 0x8038c22f, 0x7818d3c, 0x803863b5,
+    0x77b4780, 0x80380589,
+  0x77501be, 0x8037a7ac, 0x76ebbf9, 0x80374a1f, 0x768762e, 0x8036ece0,
+    0x762305f, 0x80368fef,
+  0x75bea8c, 0x8036334e, 0x755a4b4, 0x8035d6fb, 0x74f5ed7, 0x80357af8,
+    0x74918f6, 0x80351f43,
+  0x742d311, 0x8034c3dd, 0x73c8d27, 0x803468c5, 0x7364738, 0x80340dfd,
+    0x7300145, 0x8033b383,
+  0x729bb4e, 0x80335959, 0x7237552, 0x8032ff7d, 0x71d2f52, 0x8032a5ef,
+    0x716e94e, 0x80324cb1,
+  0x710a345, 0x8031f3c2, 0x70a5d37, 0x80319b21, 0x7041726, 0x803142cf,
+    0x6fdd110, 0x8030eacd,
+  0x6f78af6, 0x80309318, 0x6f144d7, 0x80303bb3, 0x6eafeb4, 0x802fe49d,
+    0x6e4b88d, 0x802f8dd5,
+  0x6de7262, 0x802f375d, 0x6d82c32, 0x802ee133, 0x6d1e5fe, 0x802e8b58,
+    0x6cb9fc6, 0x802e35cb,
+  0x6c5598a, 0x802de08e, 0x6bf1349, 0x802d8ba0, 0x6b8cd05, 0x802d3700,
+    0x6b286bc, 0x802ce2af,
+  0x6ac406f, 0x802c8ead, 0x6a5fa1e, 0x802c3afa, 0x69fb3c9, 0x802be796,
+    0x6996d70, 0x802b9480,
+  0x6932713, 0x802b41ba, 0x68ce0b2, 0x802aef42, 0x6869a4c, 0x802a9d19,
+    0x68053e3, 0x802a4b3f,
+  0x67a0d76, 0x8029f9b4, 0x673c704, 0x8029a878, 0x66d808f, 0x8029578b,
+    0x6673a16, 0x802906ec,
+  0x660f398, 0x8028b69c, 0x65aad17, 0x8028669b, 0x6546692, 0x802816e9,
+    0x64e2009, 0x8027c786,
+  0x647d97c, 0x80277872, 0x64192eb, 0x802729ad, 0x63b4c57, 0x8026db36,
+    0x63505be, 0x80268d0e,
+  0x62ebf22, 0x80263f36, 0x6287882, 0x8025f1ac, 0x62231de, 0x8025a471,
+    0x61beb36, 0x80255784,
+  0x615a48b, 0x80250ae7, 0x60f5ddc, 0x8024be99, 0x6091729, 0x80247299,
+    0x602d072, 0x802426e8,
+  0x5fc89b8, 0x8023db86, 0x5f642fa, 0x80239073, 0x5effc38, 0x802345af,
+    0x5e9b572, 0x8022fb3a,
+  0x5e36ea9, 0x8022b114, 0x5dd27dd, 0x8022673c, 0x5d6e10c, 0x80221db3,
+    0x5d09a38, 0x8021d47a,
+  0x5ca5361, 0x80218b8f, 0x5c40c86, 0x802142f3, 0x5bdc5a7, 0x8020faa6,
+    0x5b77ec5, 0x8020b2a7,
+  0x5b137df, 0x80206af8, 0x5aaf0f6, 0x80202397, 0x5a4aa09, 0x801fdc86,
+    0x59e6319, 0x801f95c3,
+  0x5981c26, 0x801f4f4f, 0x591d52f, 0x801f092a, 0x58b8e34, 0x801ec354,
+    0x5854736, 0x801e7dcd,
+  0x57f0035, 0x801e3895, 0x578b930, 0x801df3ab, 0x5727228, 0x801daf11,
+    0x56c2b1c, 0x801d6ac5,
+  0x565e40d, 0x801d26c8, 0x55f9cfb, 0x801ce31a, 0x55955e6, 0x801c9fbb,
+    0x5530ecd, 0x801c5cab,
+  0x54cc7b1, 0x801c19ea, 0x5468092, 0x801bd777, 0x540396f, 0x801b9554,
+    0x539f249, 0x801b537f,
+  0x533ab20, 0x801b11fa, 0x52d63f4, 0x801ad0c3, 0x5271cc4, 0x801a8fdb,
+    0x520d592, 0x801a4f42,
+  0x51a8e5c, 0x801a0ef8, 0x5144723, 0x8019cefd, 0x50dffe7, 0x80198f50,
+    0x507b8a8, 0x80194ff3,
+  0x5017165, 0x801910e4, 0x4fb2a20, 0x8018d225, 0x4f4e2d8, 0x801893b4,
+    0x4ee9b8c, 0x80185592,
+  0x4e8543e, 0x801817bf, 0x4e20cec, 0x8017da3b, 0x4dbc597, 0x80179d06,
+    0x4d57e40, 0x80176020,
+  0x4cf36e5, 0x80172388, 0x4c8ef88, 0x8016e740, 0x4c2a827, 0x8016ab46,
+    0x4bc60c4, 0x80166f9c,
+  0x4b6195d, 0x80163440, 0x4afd1f4, 0x8015f933, 0x4a98a88, 0x8015be75,
+    0x4a34319, 0x80158406,
+  0x49cfba7, 0x801549e6, 0x496b432, 0x80151015, 0x4906cbb, 0x8014d693,
+    0x48a2540, 0x80149d5f,
+  0x483ddc3, 0x8014647b, 0x47d9643, 0x80142be5, 0x4774ec1, 0x8013f39e,
+    0x471073b, 0x8013bba7,
+  0x46abfb3, 0x801383fe, 0x4647828, 0x80134ca4, 0x45e309a, 0x80131599,
+    0x457e90a, 0x8012dedd,
+  0x451a177, 0x8012a86f, 0x44b59e1, 0x80127251, 0x4451249, 0x80123c82,
+    0x43ecaae, 0x80120701,
+  0x4388310, 0x8011d1d0, 0x4323b70, 0x80119ced, 0x42bf3cd, 0x80116859,
+    0x425ac28, 0x80113414,
+  0x41f6480, 0x8011001f, 0x4191cd5, 0x8010cc78, 0x412d528, 0x8010991f,
+    0x40c8d79, 0x80106616,
+  0x40645c7, 0x8010335c, 0x3fffe12, 0x801000f1, 0x3f9b65b, 0x800fced4,
+    0x3f36ea2, 0x800f9d07,
+  0x3ed26e6, 0x800f6b88, 0x3e6df28, 0x800f3a59, 0x3e09767, 0x800f0978,
+    0x3da4fa4, 0x800ed8e6,
+  0x3d407df, 0x800ea8a3, 0x3cdc017, 0x800e78af, 0x3c7784d, 0x800e490a,
+    0x3c13080, 0x800e19b4,
+  0x3bae8b2, 0x800deaad, 0x3b4a0e0, 0x800dbbf5, 0x3ae590d, 0x800d8d8b,
+    0x3a81137, 0x800d5f71,
+  0x3a1c960, 0x800d31a5, 0x39b8185, 0x800d0429, 0x39539a9, 0x800cd6fb,
+    0x38ef1ca, 0x800caa1c,
+  0x388a9ea, 0x800c7d8c, 0x3826207, 0x800c514c, 0x37c1a22, 0x800c255a,
+    0x375d23a, 0x800bf9b7,
+  0x36f8a51, 0x800bce63, 0x3694265, 0x800ba35d, 0x362fa78, 0x800b78a7,
+    0x35cb288, 0x800b4e40,
+  0x3566a96, 0x800b2427, 0x35022a2, 0x800afa5e, 0x349daac, 0x800ad0e3,
+    0x34392b4, 0x800aa7b8,
+  0x33d4abb, 0x800a7edb, 0x33702bf, 0x800a564e, 0x330bac1, 0x800a2e0f,
+    0x32a72c1, 0x800a061f,
+  0x3242abf, 0x8009de7e, 0x31de2bb, 0x8009b72c, 0x3179ab5, 0x80099029,
+    0x31152ae, 0x80096975,
+  0x30b0aa4, 0x80094310, 0x304c299, 0x80091cf9, 0x2fe7a8c, 0x8008f732,
+    0x2f8327d, 0x8008d1ba,
+  0x2f1ea6c, 0x8008ac90, 0x2eba259, 0x800887b6, 0x2e55a44, 0x8008632a,
+    0x2df122e, 0x80083eed,
+  0x2d8ca16, 0x80081b00, 0x2d281fc, 0x8007f761, 0x2cc39e1, 0x8007d411,
+    0x2c5f1c3, 0x8007b110,
+  0x2bfa9a4, 0x80078e5e, 0x2b96184, 0x80076bfb, 0x2b31961, 0x800749e7,
+    0x2acd13d, 0x80072822,
+  0x2a68917, 0x800706ac, 0x2a040f0, 0x8006e585, 0x299f8c7, 0x8006c4ac,
+    0x293b09c, 0x8006a423,
+  0x28d6870, 0x800683e8, 0x2872043, 0x800663fd, 0x280d813, 0x80064460,
+    0x27a8fe2, 0x80062513,
+  0x27447b0, 0x80060614, 0x26dff7c, 0x8005e764, 0x267b747, 0x8005c904,
+    0x2616f10, 0x8005aaf2,
+  0x25b26d7, 0x80058d2f, 0x254de9e, 0x80056fbb, 0x24e9662, 0x80055296,
+    0x2484e26, 0x800535c0,
+  0x24205e8, 0x80051939, 0x23bbda8, 0x8004fd00, 0x2357567, 0x8004e117,
+    0x22f2d25, 0x8004c57d,
+  0x228e4e2, 0x8004aa32, 0x2229c9d, 0x80048f35, 0x21c5457, 0x80047488,
+    0x2160c0f, 0x80045a29,
+  0x20fc3c6, 0x8004401a, 0x2097b7c, 0x80042659, 0x2033331, 0x80040ce7,
+    0x1fceae4, 0x8003f3c5,
+  0x1f6a297, 0x8003daf1, 0x1f05a48, 0x8003c26c, 0x1ea11f7, 0x8003aa36,
+    0x1e3c9a6, 0x8003924f,
+  0x1dd8154, 0x80037ab7, 0x1d73900, 0x8003636e, 0x1d0f0ab, 0x80034c74,
+    0x1caa855, 0x800335c9,
+  0x1c45ffe, 0x80031f6d, 0x1be17a6, 0x80030960, 0x1b7cf4d, 0x8002f3a1,
+    0x1b186f3, 0x8002de32,
+  0x1ab3e97, 0x8002c912, 0x1a4f63b, 0x8002b440, 0x19eaddd, 0x80029fbe,
+    0x198657f, 0x80028b8a,
+  0x1921d20, 0x800277a6, 0x18bd4bf, 0x80026410, 0x1858c5e, 0x800250c9,
+    0x17f43fc, 0x80023dd2,
+  0x178fb99, 0x80022b29, 0x172b335, 0x800218cf, 0x16c6ad0, 0x800206c4,
+    0x166226a, 0x8001f508,
+  0x15fda03, 0x8001e39b, 0x159919c, 0x8001d27d, 0x1534934, 0x8001c1ae,
+    0x14d00ca, 0x8001b12e,
+  0x146b860, 0x8001a0fd, 0x1406ff6, 0x8001911b, 0x13a278a, 0x80018187,
+    0x133df1e, 0x80017243,
+  0x12d96b1, 0x8001634e, 0x1274e43, 0x800154a7, 0x12105d5, 0x80014650,
+    0x11abd66, 0x80013847,
+  0x11474f6, 0x80012a8e, 0x10e2c85, 0x80011d23, 0x107e414, 0x80011008,
+    0x1019ba2, 0x8001033b,
+  0xfb5330, 0x8000f6bd, 0xf50abd, 0x8000ea8e, 0xeec249, 0x8000deaf, 0xe879d5,
+    0x8000d31e,
+  0xe23160, 0x8000c7dc, 0xdbe8eb, 0x8000bce9, 0xd5a075, 0x8000b245, 0xcf57ff,
+    0x8000a7f0,
+  0xc90f88, 0x80009dea, 0xc2c711, 0x80009433, 0xbc7e99, 0x80008aca, 0xb63621,
+    0x800081b1,
+  0xafeda8, 0x800078e7, 0xa9a52f, 0x8000706c, 0xa35cb5, 0x8000683f, 0x9d143b,
+    0x80006062,
+  0x96cbc1, 0x800058d4, 0x908346, 0x80005194, 0x8a3acb, 0x80004aa4, 0x83f250,
+    0x80004402,
+  0x7da9d4, 0x80003daf, 0x776159, 0x800037ac, 0x7118dc, 0x800031f7, 0x6ad060,
+    0x80002c91,
+  0x6487e3, 0x8000277a, 0x5e3f66, 0x800022b3, 0x57f6e9, 0x80001e3a, 0x51ae6b,
+    0x80001a10,
+  0x4b65ee, 0x80001635, 0x451d70, 0x800012a9, 0x3ed4f2, 0x80000f6c, 0x388c74,
+    0x80000c7e,
+  0x3243f5, 0x800009df, 0x2bfb77, 0x8000078e, 0x25b2f8, 0x8000058d, 0x1f6a7a,
+    0x800003db,
+  0x1921fb, 0x80000278, 0x12d97c, 0x80000163, 0xc90fe, 0x8000009e, 0x6487f,
+    0x80000027,
+
+};
+
+/**    
+* \par    
+* cosFactor tables are generated using the formula : 
cos_factors[n] = 2 * cos((2n+1)*pi/(4*N))
    
+* \par    
+* C command to generate the table    
+* 
    
+* for(i = 0; i< N; i++)    
+* {    
+*   cos_factors[i]= 2 * cos((2*i+1)*c/2);    
+* } 
    
+* \par    
+* where N is the number of factors to generate and c is pi/(2*N)    
+* \par    
+* Then converted to q31 format by multiplying with 2^31 and saturated if required.    
+*/
+
+
+static const q31_t cos_factorsQ31_128[128] = {
+  0x7fff6216, 0x7ffa72d1, 0x7ff09478, 0x7fe1c76b, 0x7fce0c3e, 0x7fb563b3,
+  0x7f97cebd, 0x7f754e80,
+  0x7f4de451, 0x7f2191b4, 0x7ef05860, 0x7eba3a39, 0x7e7f3957, 0x7e3f57ff,
+  0x7dfa98a8, 0x7db0fdf8,
+  0x7d628ac6, 0x7d0f4218, 0x7cb72724, 0x7c5a3d50, 0x7bf88830, 0x7b920b89,
+  0x7b26cb4f, 0x7ab6cba4,
+  0x7a4210d8, 0x79c89f6e, 0x794a7c12, 0x78c7aba2, 0x78403329, 0x77b417df,
+  0x77235f2d, 0x768e0ea6,
+  0x75f42c0b, 0x7555bd4c, 0x74b2c884, 0x740b53fb, 0x735f6626, 0x72af05a7,
+  0x71fa3949, 0x71410805,
+  0x708378ff, 0x6fc19385, 0x6efb5f12, 0x6e30e34a, 0x6d6227fa, 0x6c8f351c,
+  0x6bb812d1, 0x6adcc964,
+  0x69fd614a, 0x6919e320, 0x683257ab, 0x6746c7d8, 0x66573cbb, 0x6563bf92,
+  0x646c59bf, 0x637114cc,
+  0x6271fa69, 0x616f146c, 0x60686ccf, 0x5f5e0db3, 0x5e50015d, 0x5d3e5237,
+  0x5c290acc, 0x5b1035cf,
+  0x59f3de12, 0x58d40e8c, 0x57b0d256, 0x568a34a9, 0x556040e2, 0x5433027d,
+  0x53028518, 0x51ced46e,
+  0x5097fc5e, 0x4f5e08e3, 0x4e210617, 0x4ce10034, 0x4b9e0390, 0x4a581c9e,
+  0x490f57ee, 0x47c3c22f,
+  0x46756828, 0x452456bd, 0x43d09aed, 0x427a41d0, 0x4121589b, 0x3fc5ec98,
+  0x3e680b2c, 0x3d07c1d6,
+  0x3ba51e29, 0x3a402dd2, 0x38d8fe93, 0x376f9e46, 0x36041ad9, 0x34968250,
+  0x3326e2c3, 0x31b54a5e,
+  0x3041c761, 0x2ecc681e, 0x2d553afc, 0x2bdc4e6f, 0x2a61b101, 0x28e5714b,
+  0x27679df4, 0x25e845b6,
+  0x24677758, 0x22e541af, 0x2161b3a0, 0x1fdcdc1b, 0x1e56ca1e, 0x1ccf8cb3,
+  0x1b4732ef, 0x19bdcbf3,
+  0x183366e9, 0x16a81305, 0x151bdf86, 0x138edbb1, 0x120116d5, 0x1072a048,
+  0xee38766, 0xd53db92,
+  0xbc3ac35, 0xa3308bd, 0x8a2009a, 0x710a345, 0x57f0035, 0x3ed26e6, 0x25b26d7,
+  0xc90f88,
+};
+
+static const q31_t cos_factorsQ31_512[512] = {
+  0x7ffff621, 0x7fffa72c, 0x7fff0943, 0x7ffe1c65, 0x7ffce093, 0x7ffb55ce,
+  0x7ff97c18, 0x7ff75370,
+  0x7ff4dbd9, 0x7ff21553, 0x7feeffe1, 0x7feb9b85, 0x7fe7e841, 0x7fe3e616,
+  0x7fdf9508, 0x7fdaf519,
+  0x7fd6064c, 0x7fd0c8a3, 0x7fcb3c23, 0x7fc560cf, 0x7fbf36aa, 0x7fb8bdb8,
+  0x7fb1f5fc, 0x7faadf7c,
+  0x7fa37a3c, 0x7f9bc640, 0x7f93c38c, 0x7f8b7227, 0x7f82d214, 0x7f79e35a,
+  0x7f70a5fe, 0x7f671a05,
+  0x7f5d3f75, 0x7f531655, 0x7f489eaa, 0x7f3dd87c, 0x7f32c3d1, 0x7f2760af,
+  0x7f1baf1e, 0x7f0faf25,
+  0x7f0360cb, 0x7ef6c418, 0x7ee9d914, 0x7edc9fc6, 0x7ecf1837, 0x7ec14270,
+  0x7eb31e78, 0x7ea4ac58,
+  0x7e95ec1a, 0x7e86ddc6, 0x7e778166, 0x7e67d703, 0x7e57dea7, 0x7e47985b,
+  0x7e37042a, 0x7e26221f,
+  0x7e14f242, 0x7e0374a0, 0x7df1a942, 0x7ddf9034, 0x7dcd2981, 0x7dba7534,
+  0x7da77359, 0x7d9423fc,
+  0x7d808728, 0x7d6c9ce9, 0x7d58654d, 0x7d43e05e, 0x7d2f0e2b, 0x7d19eebf,
+  0x7d048228, 0x7ceec873,
+  0x7cd8c1ae, 0x7cc26de5, 0x7cabcd28, 0x7c94df83, 0x7c7da505, 0x7c661dbc,
+  0x7c4e49b7, 0x7c362904,
+  0x7c1dbbb3, 0x7c0501d2, 0x7bebfb70, 0x7bd2a89e, 0x7bb9096b, 0x7b9f1de6,
+  0x7b84e61f, 0x7b6a6227,
+  0x7b4f920e, 0x7b3475e5, 0x7b190dbc, 0x7afd59a4, 0x7ae159ae, 0x7ac50dec,
+  0x7aa8766f, 0x7a8b9348,
+  0x7a6e648a, 0x7a50ea47, 0x7a332490, 0x7a151378, 0x79f6b711, 0x79d80f6f,
+  0x79b91ca4, 0x7999dec4,
+  0x797a55e0, 0x795a820e, 0x793a6361, 0x7919f9ec, 0x78f945c3, 0x78d846fb,
+  0x78b6fda8, 0x789569df,
+  0x78738bb3, 0x7851633b, 0x782ef08b, 0x780c33b8, 0x77e92cd9, 0x77c5dc01,
+  0x77a24148, 0x777e5cc3,
+  0x775a2e89, 0x7735b6af, 0x7710f54c, 0x76ebea77, 0x76c69647, 0x76a0f8d2,
+  0x767b1231, 0x7654e279,
+  0x762e69c4, 0x7607a828, 0x75e09dbd, 0x75b94a9c, 0x7591aedd, 0x7569ca99,
+  0x75419de7, 0x751928e0,
+  0x74f06b9e, 0x74c7663a, 0x749e18cd, 0x74748371, 0x744aa63f, 0x74208150,
+  0x73f614c0, 0x73cb60a8,
+  0x73a06522, 0x73752249, 0x73499838, 0x731dc70a, 0x72f1aed9, 0x72c54fc1,
+  0x7298a9dd, 0x726bbd48,
+  0x723e8a20, 0x7211107e, 0x71e35080, 0x71b54a41, 0x7186fdde, 0x71586b74,
+  0x7129931f, 0x70fa74fc,
+  0x70cb1128, 0x709b67c0, 0x706b78e3, 0x703b44ad, 0x700acb3c, 0x6fda0cae,
+  0x6fa90921, 0x6f77c0b3,
+  0x6f463383, 0x6f1461b0, 0x6ee24b57, 0x6eaff099, 0x6e7d5193, 0x6e4a6e66,
+  0x6e174730, 0x6de3dc11,
+  0x6db02d29, 0x6d7c3a98, 0x6d48047e, 0x6d138afb, 0x6cdece2f, 0x6ca9ce3b,
+  0x6c748b3f, 0x6c3f055d,
+  0x6c093cb6, 0x6bd3316a, 0x6b9ce39b, 0x6b66536b, 0x6b2f80fb, 0x6af86c6c,
+  0x6ac115e2, 0x6a897d7d,
+  0x6a51a361, 0x6a1987b0, 0x69e12a8c, 0x69a88c19, 0x696fac78, 0x69368bce,
+  0x68fd2a3d, 0x68c387e9,
+  0x6889a4f6, 0x684f8186, 0x68151dbe, 0x67da79c3, 0x679f95b7, 0x676471c0,
+  0x67290e02, 0x66ed6aa1,
+  0x66b187c3, 0x6675658c, 0x66390422, 0x65fc63a9, 0x65bf8447, 0x65826622,
+  0x6545095f, 0x65076e25,
+  0x64c99498, 0x648b7ce0, 0x644d2722, 0x640e9386, 0x63cfc231, 0x6390b34a,
+  0x635166f9, 0x6311dd64,
+  0x62d216b3, 0x6292130c, 0x6251d298, 0x6211557e, 0x61d09be5, 0x618fa5f7,
+  0x614e73da, 0x610d05b7,
+  0x60cb5bb7, 0x60897601, 0x604754bf, 0x6004f819, 0x5fc26038, 0x5f7f8d46,
+  0x5f3c7f6b, 0x5ef936d1,
+  0x5eb5b3a2, 0x5e71f606, 0x5e2dfe29, 0x5de9cc33, 0x5da5604f, 0x5d60baa7,
+  0x5d1bdb65, 0x5cd6c2b5,
+  0x5c9170bf, 0x5c4be5b0, 0x5c0621b2, 0x5bc024f0, 0x5b79ef96, 0x5b3381ce,
+  0x5aecdbc5, 0x5aa5fda5,
+  0x5a5ee79a, 0x5a1799d1, 0x59d01475, 0x598857b2, 0x594063b5, 0x58f838a9,
+  0x58afd6bd, 0x58673e1b,
+  0x581e6ef1, 0x57d5696d, 0x578c2dba, 0x5742bc06, 0x56f9147e, 0x56af3750,
+  0x566524aa, 0x561adcb9,
+  0x55d05faa, 0x5585adad, 0x553ac6ee, 0x54efab9c, 0x54a45be6, 0x5458d7f9,
+  0x540d2005, 0x53c13439,
+  0x537514c2, 0x5328c1d0, 0x52dc3b92, 0x528f8238, 0x524295f0, 0x51f576ea,
+  0x51a82555, 0x515aa162,
+  0x510ceb40, 0x50bf031f, 0x5070e92f, 0x50229da1, 0x4fd420a4, 0x4f857269,
+  0x4f369320, 0x4ee782fb,
+  0x4e984229, 0x4e48d0dd, 0x4df92f46, 0x4da95d96, 0x4d595bfe, 0x4d092ab0,
+  0x4cb8c9dd, 0x4c6839b7,
+  0x4c177a6e, 0x4bc68c36, 0x4b756f40, 0x4b2423be, 0x4ad2a9e2, 0x4a8101de,
+  0x4a2f2be6, 0x49dd282a,
+  0x498af6df, 0x49389836, 0x48e60c62, 0x48935397, 0x48406e08, 0x47ed5be6,
+  0x479a1d67, 0x4746b2bc,
+  0x46f31c1a, 0x469f59b4, 0x464b6bbe, 0x45f7526b, 0x45a30df0, 0x454e9e80,
+  0x44fa0450, 0x44a53f93,
+  0x4450507e, 0x43fb3746, 0x43a5f41e, 0x4350873c, 0x42faf0d4, 0x42a5311b,
+  0x424f4845, 0x41f93689,
+  0x41a2fc1a, 0x414c992f, 0x40f60dfb, 0x409f5ab6, 0x40487f94, 0x3ff17cca,
+  0x3f9a5290, 0x3f430119,
+  0x3eeb889c, 0x3e93e950, 0x3e3c2369, 0x3de4371f, 0x3d8c24a8, 0x3d33ec39,
+  0x3cdb8e09, 0x3c830a50,
+  0x3c2a6142, 0x3bd19318, 0x3b78a007, 0x3b1f8848, 0x3ac64c0f, 0x3a6ceb96,
+  0x3a136712, 0x39b9bebc,
+  0x395ff2c9, 0x39060373, 0x38abf0ef, 0x3851bb77, 0x37f76341, 0x379ce885,
+  0x37424b7b, 0x36e78c5b,
+  0x368cab5c, 0x3631a8b8, 0x35d684a6, 0x357b3f5d, 0x351fd918, 0x34c4520d,
+  0x3468aa76, 0x340ce28b,
+  0x33b0fa84, 0x3354f29b, 0x32f8cb07, 0x329c8402, 0x32401dc6, 0x31e39889,
+  0x3186f487, 0x312a31f8,
+  0x30cd5115, 0x30705217, 0x30133539, 0x2fb5fab2, 0x2f58a2be, 0x2efb2d95,
+  0x2e9d9b70, 0x2e3fec8b,
+  0x2de2211e, 0x2d843964, 0x2d263596, 0x2cc815ee, 0x2c69daa6, 0x2c0b83fa,
+  0x2bad1221, 0x2b4e8558,
+  0x2aefddd8, 0x2a911bdc, 0x2a323f9e, 0x29d34958, 0x29743946, 0x29150fa1,
+  0x28b5cca5, 0x2856708d,
+  0x27f6fb92, 0x27976df1, 0x2737c7e3, 0x26d809a5, 0x26783370, 0x26184581,
+  0x25b84012, 0x2558235f,
+  0x24f7efa2, 0x2497a517, 0x243743fa, 0x23d6cc87, 0x23763ef7, 0x23159b88,
+  0x22b4e274, 0x225413f8,
+  0x21f3304f, 0x219237b5, 0x21312a65, 0x20d0089c, 0x206ed295, 0x200d888d,
+  0x1fac2abf, 0x1f4ab968,
+  0x1ee934c3, 0x1e879d0d, 0x1e25f282, 0x1dc4355e, 0x1d6265dd, 0x1d00843d,
+  0x1c9e90b8, 0x1c3c8b8c,
+  0x1bda74f6, 0x1b784d30, 0x1b161479, 0x1ab3cb0d, 0x1a517128, 0x19ef0707,
+  0x198c8ce7, 0x192a0304,
+  0x18c7699b, 0x1864c0ea, 0x1802092c, 0x179f429f, 0x173c6d80, 0x16d98a0c,
+  0x1676987f, 0x16139918,
+  0x15b08c12, 0x154d71aa, 0x14ea4a1f, 0x148715ae, 0x1423d492, 0x13c0870a,
+  0x135d2d53, 0x12f9c7aa,
+  0x1296564d, 0x1232d979, 0x11cf516a, 0x116bbe60, 0x11082096, 0x10a4784b,
+  0x1040c5bb, 0xfdd0926,
+  0xf7942c7, 0xf1572dc, 0xeb199a4, 0xe4db75b, 0xde9cc40, 0xd85d88f, 0xd21dc87,
+  0xcbdd865,
+  0xc59cc68, 0xbf5b8cb, 0xb919dcf, 0xb2d7baf, 0xac952aa, 0xa6522fe, 0xa00ece8,
+  0x99cb0a7,
+  0x9386e78, 0x8d42699, 0x86fd947, 0x80b86c2, 0x7a72f45, 0x742d311, 0x6de7262,
+  0x67a0d76,
+  0x615a48b, 0x5b137df, 0x54cc7b1, 0x4e8543e, 0x483ddc3, 0x41f6480, 0x3bae8b2,
+  0x3566a96,
+  0x2f1ea6c, 0x28d6870, 0x228e4e2, 0x1c45ffe, 0x15fda03, 0xfb5330, 0x96cbc1,
+  0x3243f5,
+};
+
+static const q31_t cos_factorsQ31_2048[2048] = {
+  0x7fffff62, 0x7ffffa73, 0x7ffff094, 0x7fffe1c6, 0x7fffce09, 0x7fffb55c,
+  0x7fff97c1, 0x7fff7536,
+  0x7fff4dbb, 0x7fff2151, 0x7ffeeff8, 0x7ffeb9b0, 0x7ffe7e79, 0x7ffe3e52,
+  0x7ffdf93c, 0x7ffdaf37,
+  0x7ffd6042, 0x7ffd0c5f, 0x7ffcb38c, 0x7ffc55ca, 0x7ffbf319, 0x7ffb8b78,
+  0x7ffb1ee9, 0x7ffaad6a,
+  0x7ffa36fc, 0x7ff9bba0, 0x7ff93b54, 0x7ff8b619, 0x7ff82bef, 0x7ff79cd6,
+  0x7ff708ce, 0x7ff66fd7,
+  0x7ff5d1f1, 0x7ff52f1d, 0x7ff48759, 0x7ff3daa6, 0x7ff32905, 0x7ff27275,
+  0x7ff1b6f6, 0x7ff0f688,
+  0x7ff0312c, 0x7fef66e1, 0x7fee97a7, 0x7fedc37e, 0x7fecea67, 0x7fec0c62,
+  0x7feb296d, 0x7fea418b,
+  0x7fe954ba, 0x7fe862fa, 0x7fe76c4c, 0x7fe670b0, 0x7fe57025, 0x7fe46aac,
+  0x7fe36045, 0x7fe250ef,
+  0x7fe13cac, 0x7fe0237a, 0x7fdf055a, 0x7fdde24d, 0x7fdcba51, 0x7fdb8d67,
+  0x7fda5b8f, 0x7fd924ca,
+  0x7fd7e917, 0x7fd6a875, 0x7fd562e7, 0x7fd4186a, 0x7fd2c900, 0x7fd174a8,
+  0x7fd01b63, 0x7fcebd31,
+  0x7fcd5a11, 0x7fcbf203, 0x7fca8508, 0x7fc91320, 0x7fc79c4b, 0x7fc62089,
+  0x7fc49fda, 0x7fc31a3d,
+  0x7fc18fb4, 0x7fc0003e, 0x7fbe6bdb, 0x7fbcd28b, 0x7fbb344e, 0x7fb99125,
+  0x7fb7e90f, 0x7fb63c0d,
+  0x7fb48a1e, 0x7fb2d343, 0x7fb1177b, 0x7faf56c7, 0x7fad9127, 0x7fabc69b,
+  0x7fa9f723, 0x7fa822bf,
+  0x7fa6496e, 0x7fa46b32, 0x7fa2880b, 0x7fa09ff7, 0x7f9eb2f8, 0x7f9cc10d,
+  0x7f9aca37, 0x7f98ce76,
+  0x7f96cdc9, 0x7f94c831, 0x7f92bdad, 0x7f90ae3f, 0x7f8e99e6, 0x7f8c80a1,
+  0x7f8a6272, 0x7f883f58,
+  0x7f861753, 0x7f83ea64, 0x7f81b88a, 0x7f7f81c6, 0x7f7d4617, 0x7f7b057e,
+  0x7f78bffb, 0x7f76758e,
+  0x7f742637, 0x7f71d1f6, 0x7f6f78cb, 0x7f6d1ab6, 0x7f6ab7b8, 0x7f684fd0,
+  0x7f65e2ff, 0x7f637144,
+  0x7f60faa0, 0x7f5e7f13, 0x7f5bfe9d, 0x7f59793e, 0x7f56eef5, 0x7f545fc5,
+  0x7f51cbab, 0x7f4f32a9,
+  0x7f4c94be, 0x7f49f1eb, 0x7f474a30, 0x7f449d8c, 0x7f41ec01, 0x7f3f358d,
+  0x7f3c7a31, 0x7f39b9ee,
+  0x7f36f4c3, 0x7f342ab1, 0x7f315bb7, 0x7f2e87d6, 0x7f2baf0d, 0x7f28d15d,
+  0x7f25eec7, 0x7f230749,
+  0x7f201ae5, 0x7f1d299a, 0x7f1a3368, 0x7f173850, 0x7f143852, 0x7f11336d,
+  0x7f0e29a3, 0x7f0b1af2,
+  0x7f08075c, 0x7f04eedf, 0x7f01d17d, 0x7efeaf36, 0x7efb8809, 0x7ef85bf7,
+  0x7ef52b00, 0x7ef1f524,
+  0x7eeeba62, 0x7eeb7abc, 0x7ee83632, 0x7ee4ecc3, 0x7ee19e6f, 0x7ede4b38,
+  0x7edaf31c, 0x7ed7961c,
+  0x7ed43438, 0x7ed0cd70, 0x7ecd61c5, 0x7ec9f137, 0x7ec67bc5, 0x7ec3016f,
+  0x7ebf8237, 0x7ebbfe1c,
+  0x7eb8751e, 0x7eb4e73d, 0x7eb1547a, 0x7eadbcd4, 0x7eaa204c, 0x7ea67ee2,
+  0x7ea2d896, 0x7e9f2d68,
+  0x7e9b7d58, 0x7e97c867, 0x7e940e94, 0x7e904fe0, 0x7e8c8c4b, 0x7e88c3d5,
+  0x7e84f67e, 0x7e812447,
+  0x7e7d4d2f, 0x7e797136, 0x7e75905d, 0x7e71aaa4, 0x7e6dc00c, 0x7e69d093,
+  0x7e65dc3b, 0x7e61e303,
+  0x7e5de4ec, 0x7e59e1f5, 0x7e55da20, 0x7e51cd6c, 0x7e4dbbd9, 0x7e49a567,
+  0x7e458a17, 0x7e4169e9,
+  0x7e3d44dd, 0x7e391af3, 0x7e34ec2b, 0x7e30b885, 0x7e2c8002, 0x7e2842a2,
+  0x7e240064, 0x7e1fb94a,
+  0x7e1b6d53, 0x7e171c7f, 0x7e12c6ce, 0x7e0e6c42, 0x7e0a0cd9, 0x7e05a894,
+  0x7e013f74, 0x7dfcd178,
+  0x7df85ea0, 0x7df3e6ee, 0x7def6a60, 0x7deae8f7, 0x7de662b3, 0x7de1d795,
+  0x7ddd479d, 0x7dd8b2ca,
+  0x7dd4191d, 0x7dcf7a96, 0x7dcad736, 0x7dc62efc, 0x7dc181e8, 0x7dbccffc,
+  0x7db81936, 0x7db35d98,
+  0x7dae9d21, 0x7da9d7d2, 0x7da50dab, 0x7da03eab, 0x7d9b6ad3, 0x7d969224,
+  0x7d91b49e, 0x7d8cd240,
+  0x7d87eb0a, 0x7d82fefe, 0x7d7e0e1c, 0x7d791862, 0x7d741dd2, 0x7d6f1e6c,
+  0x7d6a1a31, 0x7d65111f,
+  0x7d600338, 0x7d5af07b, 0x7d55d8e9, 0x7d50bc82, 0x7d4b9b46, 0x7d467536,
+  0x7d414a51, 0x7d3c1a98,
+  0x7d36e60b, 0x7d31acaa, 0x7d2c6e76, 0x7d272b6e, 0x7d21e393, 0x7d1c96e5,
+  0x7d174564, 0x7d11ef11,
+  0x7d0c93eb, 0x7d0733f3, 0x7d01cf29, 0x7cfc658d, 0x7cf6f720, 0x7cf183e1,
+  0x7cec0bd1, 0x7ce68ef0,
+  0x7ce10d3f, 0x7cdb86bd, 0x7cd5fb6a, 0x7cd06b48, 0x7ccad656, 0x7cc53c94,
+  0x7cbf9e03, 0x7cb9faa2,
+  0x7cb45272, 0x7caea574, 0x7ca8f3a7, 0x7ca33d0c, 0x7c9d81a3, 0x7c97c16b,
+  0x7c91fc66, 0x7c8c3294,
+  0x7c8663f4, 0x7c809088, 0x7c7ab84e, 0x7c74db48, 0x7c6ef976, 0x7c6912d7,
+  0x7c63276d, 0x7c5d3737,
+  0x7c574236, 0x7c514869, 0x7c4b49d2, 0x7c45466f, 0x7c3f3e42, 0x7c39314b,
+  0x7c331f8a, 0x7c2d08ff,
+  0x7c26edab, 0x7c20cd8d, 0x7c1aa8a6, 0x7c147ef6, 0x7c0e507e, 0x7c081d3d,
+  0x7c01e534, 0x7bfba863,
+  0x7bf566cb, 0x7bef206b, 0x7be8d544, 0x7be28556, 0x7bdc30a1, 0x7bd5d726,
+  0x7bcf78e5, 0x7bc915dd,
+  0x7bc2ae10, 0x7bbc417e, 0x7bb5d026, 0x7baf5a09, 0x7ba8df28, 0x7ba25f82,
+  0x7b9bdb18, 0x7b9551ea,
+  0x7b8ec3f8, 0x7b883143, 0x7b8199ca, 0x7b7afd8f, 0x7b745c91, 0x7b6db6d0,
+  0x7b670c4d, 0x7b605d09,
+  0x7b59a902, 0x7b52f03a, 0x7b4c32b1, 0x7b457068, 0x7b3ea95d, 0x7b37dd92,
+  0x7b310d07, 0x7b2a37bc,
+  0x7b235db2, 0x7b1c7ee8, 0x7b159b5f, 0x7b0eb318, 0x7b07c612, 0x7b00d44d,
+  0x7af9ddcb, 0x7af2e28b,
+  0x7aebe28d, 0x7ae4ddd2, 0x7addd45b, 0x7ad6c626, 0x7acfb336, 0x7ac89b89,
+  0x7ac17f20, 0x7aba5dfc,
+  0x7ab3381d, 0x7aac0d82, 0x7aa4de2d, 0x7a9daa1d, 0x7a967153, 0x7a8f33d0,
+  0x7a87f192, 0x7a80aa9c,
+  0x7a795eec, 0x7a720e84, 0x7a6ab963, 0x7a635f8a, 0x7a5c00f9, 0x7a549db0,
+  0x7a4d35b0, 0x7a45c8f9,
+  0x7a3e578b, 0x7a36e166, 0x7a2f668c, 0x7a27e6fb, 0x7a2062b5, 0x7a18d9b9,
+  0x7a114c09, 0x7a09b9a4,
+  0x7a02228a, 0x79fa86bc, 0x79f2e63a, 0x79eb4105, 0x79e3971c, 0x79dbe880,
+  0x79d43532, 0x79cc7d31,
+  0x79c4c07e, 0x79bcff19, 0x79b53903, 0x79ad6e3c, 0x79a59ec3, 0x799dca9a,
+  0x7995f1c1, 0x798e1438,
+  0x798631ff, 0x797e4b16, 0x79765f7f, 0x796e6f39, 0x79667a44, 0x795e80a1,
+  0x79568250, 0x794e7f52,
+  0x794677a6, 0x793e6b4e, 0x79365a49, 0x792e4497, 0x79262a3a, 0x791e0b31,
+  0x7915e77c, 0x790dbf1d,
+  0x79059212, 0x78fd605d, 0x78f529fe, 0x78eceef6, 0x78e4af44, 0x78dc6ae8,
+  0x78d421e4, 0x78cbd437,
+  0x78c381e2, 0x78bb2ae5, 0x78b2cf41, 0x78aa6ef5, 0x78a20a03, 0x7899a06a,
+  0x7891322a, 0x7888bf45,
+  0x788047ba, 0x7877cb89, 0x786f4ab4, 0x7866c53a, 0x785e3b1c, 0x7855ac5a,
+  0x784d18f4, 0x784480ea,
+  0x783be43e, 0x783342ef, 0x782a9cfe, 0x7821f26b, 0x78194336, 0x78108f60,
+  0x7807d6e9, 0x77ff19d1,
+  0x77f65819, 0x77ed91c0, 0x77e4c6c9, 0x77dbf732, 0x77d322fc, 0x77ca4a27,
+  0x77c16cb4, 0x77b88aa3,
+  0x77afa3f5, 0x77a6b8a9, 0x779dc8c0, 0x7794d43b, 0x778bdb19, 0x7782dd5c,
+  0x7779db03, 0x7770d40f,
+  0x7767c880, 0x775eb857, 0x7755a394, 0x774c8a36, 0x77436c40, 0x773a49b0,
+  0x77312287, 0x7727f6c6,
+  0x771ec66e, 0x7715917d, 0x770c57f5, 0x770319d6, 0x76f9d721, 0x76f08fd5,
+  0x76e743f4, 0x76ddf37c,
+  0x76d49e70, 0x76cb44cf, 0x76c1e699, 0x76b883d0, 0x76af1c72, 0x76a5b082,
+  0x769c3ffe, 0x7692cae8,
+  0x7689513f, 0x767fd304, 0x76765038, 0x766cc8db, 0x76633ced, 0x7659ac6f,
+  0x76501760, 0x76467dc2,
+  0x763cdf94, 0x76333cd8, 0x7629958c, 0x761fe9b3, 0x7616394c, 0x760c8457,
+  0x7602cad5, 0x75f90cc7,
+  0x75ef4a2c, 0x75e58305, 0x75dbb753, 0x75d1e715, 0x75c8124d, 0x75be38fa,
+  0x75b45b1d, 0x75aa78b6,
+  0x75a091c6, 0x7596a64d, 0x758cb64c, 0x7582c1c2, 0x7578c8b0, 0x756ecb18,
+  0x7564c8f8, 0x755ac251,
+  0x7550b725, 0x7546a772, 0x753c933a, 0x75327a7d, 0x75285d3b, 0x751e3b75,
+  0x7514152b, 0x7509ea5d,
+  0x74ffbb0d, 0x74f58739, 0x74eb4ee3, 0x74e1120c, 0x74d6d0b2, 0x74cc8ad8,
+  0x74c2407d, 0x74b7f1a1,
+  0x74ad9e46, 0x74a3466b, 0x7498ea11, 0x748e8938, 0x748423e0, 0x7479ba0b,
+  0x746f4bb8, 0x7464d8e8,
+  0x745a619b, 0x744fe5d2, 0x7445658d, 0x743ae0cc, 0x74305790, 0x7425c9da,
+  0x741b37a9, 0x7410a0fe,
+  0x740605d9, 0x73fb663c, 0x73f0c226, 0x73e61997, 0x73db6c91, 0x73d0bb13,
+  0x73c6051f, 0x73bb4ab3,
+  0x73b08bd1, 0x73a5c87a, 0x739b00ad, 0x7390346b, 0x738563b5, 0x737a8e8a,
+  0x736fb4ec, 0x7364d6da,
+  0x7359f456, 0x734f0d5f, 0x734421f6, 0x7339321b, 0x732e3dcf, 0x73234512,
+  0x731847e5, 0x730d4648,
+  0x7302403c, 0x72f735c0, 0x72ec26d6, 0x72e1137d, 0x72d5fbb7, 0x72cadf83,
+  0x72bfbee3, 0x72b499d6,
+  0x72a9705c, 0x729e4277, 0x72931027, 0x7287d96c, 0x727c9e47, 0x72715eb8,
+  0x72661abf, 0x725ad25d,
+  0x724f8593, 0x72443460, 0x7238dec5, 0x722d84c4, 0x7222265b, 0x7216c38c,
+  0x720b5c57, 0x71fff0bc,
+  0x71f480bc, 0x71e90c57, 0x71dd938f, 0x71d21662, 0x71c694d2, 0x71bb0edf,
+  0x71af848a, 0x71a3f5d2,
+  0x719862b9, 0x718ccb3f, 0x71812f65, 0x71758f29, 0x7169ea8f, 0x715e4194,
+  0x7152943b, 0x7146e284,
+  0x713b2c6e, 0x712f71fb, 0x7123b32b, 0x7117effe, 0x710c2875, 0x71005c90,
+  0x70f48c50, 0x70e8b7b5,
+  0x70dcdec0, 0x70d10171, 0x70c51fc8, 0x70b939c7, 0x70ad4f6d, 0x70a160ba,
+  0x70956db1, 0x70897650,
+  0x707d7a98, 0x70717a8a, 0x70657626, 0x70596d6d, 0x704d6060, 0x70414efd,
+  0x70353947, 0x70291f3e,
+  0x701d00e1, 0x7010de32, 0x7004b731, 0x6ff88bde, 0x6fec5c3b, 0x6fe02846,
+  0x6fd3f001, 0x6fc7b36d,
+  0x6fbb728a, 0x6faf2d57, 0x6fa2e3d7, 0x6f969608, 0x6f8a43ed, 0x6f7ded84,
+  0x6f7192cf, 0x6f6533ce,
+  0x6f58d082, 0x6f4c68eb, 0x6f3ffd09, 0x6f338cde, 0x6f271868, 0x6f1a9faa,
+  0x6f0e22a3, 0x6f01a155,
+  0x6ef51bbe, 0x6ee891e1, 0x6edc03bc, 0x6ecf7152, 0x6ec2daa2, 0x6eb63fad,
+  0x6ea9a073, 0x6e9cfcf5,
+  0x6e905534, 0x6e83a92f, 0x6e76f8e7, 0x6e6a445d, 0x6e5d8b91, 0x6e50ce84,
+  0x6e440d37, 0x6e3747a9,
+  0x6e2a7ddb, 0x6e1dafce, 0x6e10dd82, 0x6e0406f8, 0x6df72c30, 0x6dea4d2b,
+  0x6ddd69e9, 0x6dd0826a,
+  0x6dc396b0, 0x6db6a6ba, 0x6da9b28a, 0x6d9cba1f, 0x6d8fbd7a, 0x6d82bc9d,
+  0x6d75b786, 0x6d68ae37,
+  0x6d5ba0b0, 0x6d4e8ef2, 0x6d4178fd, 0x6d345ed1, 0x6d274070, 0x6d1a1dda,
+  0x6d0cf70f, 0x6cffcc0f,
+  0x6cf29cdc, 0x6ce56975, 0x6cd831dc, 0x6ccaf610, 0x6cbdb613, 0x6cb071e4,
+  0x6ca32985, 0x6c95dcf6,
+  0x6c888c36, 0x6c7b3748, 0x6c6dde2b, 0x6c6080e0, 0x6c531f67, 0x6c45b9c1,
+  0x6c384fef, 0x6c2ae1f0,
+  0x6c1d6fc6, 0x6c0ff971, 0x6c027ef1, 0x6bf50047, 0x6be77d74, 0x6bd9f677,
+  0x6bcc6b53, 0x6bbedc06,
+  0x6bb14892, 0x6ba3b0f7, 0x6b961536, 0x6b88754f, 0x6b7ad142, 0x6b6d2911,
+  0x6b5f7cbc, 0x6b51cc42,
+  0x6b4417a6, 0x6b365ee7, 0x6b28a206, 0x6b1ae103, 0x6b0d1bdf, 0x6aff529a,
+  0x6af18536, 0x6ae3b3b2,
+  0x6ad5de0f, 0x6ac8044e, 0x6aba266e, 0x6aac4472, 0x6a9e5e58, 0x6a907423,
+  0x6a8285d1, 0x6a749365,
+  0x6a669cdd, 0x6a58a23c, 0x6a4aa381, 0x6a3ca0ad, 0x6a2e99c0, 0x6a208ebb,
+  0x6a127f9f, 0x6a046c6c,
+  0x69f65523, 0x69e839c4, 0x69da1a50, 0x69cbf6c7, 0x69bdcf29, 0x69afa378,
+  0x69a173b5, 0x69933fde,
+  0x698507f6, 0x6976cbfc, 0x69688bf1, 0x695a47d6, 0x694bffab, 0x693db371,
+  0x692f6328, 0x69210ed1,
+  0x6912b66c, 0x690459fb, 0x68f5f97d, 0x68e794f3, 0x68d92c5d, 0x68cabfbd,
+  0x68bc4f13, 0x68adda5f,
+  0x689f61a1, 0x6890e4dc, 0x6882640e, 0x6873df38, 0x6865565c, 0x6856c979,
+  0x68483891, 0x6839a3a4,
+  0x682b0ab1, 0x681c6dbb, 0x680dccc1, 0x67ff27c4, 0x67f07ec5, 0x67e1d1c4,
+  0x67d320c1, 0x67c46bbe,
+  0x67b5b2bb, 0x67a6f5b8, 0x679834b6, 0x67896fb6, 0x677aa6b8, 0x676bd9bd,
+  0x675d08c4, 0x674e33d0,
+  0x673f5ae0, 0x67307df5, 0x67219d10, 0x6712b831, 0x6703cf58, 0x66f4e287,
+  0x66e5f1be, 0x66d6fcfd,
+  0x66c80445, 0x66b90797, 0x66aa06f3, 0x669b0259, 0x668bf9cb, 0x667ced49,
+  0x666ddcd3, 0x665ec86b,
+  0x664fb010, 0x664093c3, 0x66317385, 0x66224f56, 0x66132738, 0x6603fb2a,
+  0x65f4cb2d, 0x65e59742,
+  0x65d65f69, 0x65c723a3, 0x65b7e3f1, 0x65a8a052, 0x659958c9, 0x658a0d54,
+  0x657abdf6, 0x656b6aae,
+  0x655c137d, 0x654cb863, 0x653d5962, 0x652df679, 0x651e8faa, 0x650f24f5,
+  0x64ffb65b, 0x64f043dc,
+  0x64e0cd78, 0x64d15331, 0x64c1d507, 0x64b252fa, 0x64a2cd0c, 0x6493433c,
+  0x6483b58c, 0x647423fb,
+  0x64648e8c, 0x6454f53d, 0x64455810, 0x6435b706, 0x6426121e, 0x6416695a,
+  0x6406bcba, 0x63f70c3f,
+  0x63e757ea, 0x63d79fba, 0x63c7e3b1, 0x63b823cf, 0x63a86015, 0x63989884,
+  0x6388cd1b, 0x6378fddc,
+  0x63692ac7, 0x635953dd, 0x6349791f, 0x63399a8d, 0x6329b827, 0x6319d1ef,
+  0x6309e7e4, 0x62f9fa09,
+  0x62ea085c, 0x62da12df, 0x62ca1992, 0x62ba1c77, 0x62aa1b8d, 0x629a16d5,
+  0x628a0e50, 0x627a01fe,
+  0x6269f1e1, 0x6259ddf8, 0x6249c645, 0x6239aac7, 0x62298b81, 0x62196871,
+  0x62094199, 0x61f916f9,
+  0x61e8e893, 0x61d8b666, 0x61c88074, 0x61b846bc, 0x61a80940, 0x6197c800,
+  0x618782fd, 0x61773a37,
+  0x6166edb0, 0x61569d67, 0x6146495d, 0x6135f193, 0x6125960a, 0x611536c2,
+  0x6104d3bc, 0x60f46cf9,
+  0x60e40278, 0x60d3943b, 0x60c32243, 0x60b2ac8f, 0x60a23322, 0x6091b5fa,
+  0x60813519, 0x6070b080,
+  0x6060282f, 0x604f9c27, 0x603f0c69, 0x602e78f4, 0x601de1ca, 0x600d46ec,
+  0x5ffca859, 0x5fec0613,
+  0x5fdb601b, 0x5fcab670, 0x5fba0914, 0x5fa95807, 0x5f98a34a, 0x5f87eade,
+  0x5f772ec2, 0x5f666ef9,
+  0x5f55ab82, 0x5f44e45e, 0x5f34198e, 0x5f234b12, 0x5f1278eb, 0x5f01a31a,
+  0x5ef0c99f, 0x5edfec7b,
+  0x5ecf0baf, 0x5ebe273b, 0x5ead3f1f, 0x5e9c535e, 0x5e8b63f7, 0x5e7a70ea,
+  0x5e697a39, 0x5e587fe5,
+  0x5e4781ed, 0x5e368053, 0x5e257b17, 0x5e147239, 0x5e0365bb, 0x5df2559e,
+  0x5de141e1, 0x5dd02a85,
+  0x5dbf0f8c, 0x5dadf0f5, 0x5d9ccec2, 0x5d8ba8f3, 0x5d7a7f88, 0x5d695283,
+  0x5d5821e4, 0x5d46edac,
+  0x5d35b5db, 0x5d247a72, 0x5d133b72, 0x5d01f8dc, 0x5cf0b2af, 0x5cdf68ed,
+  0x5cce1b97, 0x5cbccaac,
+  0x5cab762f, 0x5c9a1e1e, 0x5c88c27c, 0x5c776348, 0x5c660084, 0x5c549a30,
+  0x5c43304d, 0x5c31c2db,
+  0x5c2051db, 0x5c0edd4e, 0x5bfd6534, 0x5bebe98e, 0x5bda6a5d, 0x5bc8e7a2,
+  0x5bb7615d, 0x5ba5d78e,
+  0x5b944a37, 0x5b82b958, 0x5b7124f2, 0x5b5f8d06, 0x5b4df193, 0x5b3c529c,
+  0x5b2ab020, 0x5b190a20,
+  0x5b07609d, 0x5af5b398, 0x5ae40311, 0x5ad24f09, 0x5ac09781, 0x5aaedc78,
+  0x5a9d1df1, 0x5a8b5bec,
+  0x5a799669, 0x5a67cd69, 0x5a5600ec, 0x5a4430f5, 0x5a325d82, 0x5a208695,
+  0x5a0eac2e, 0x59fcce4f,
+  0x59eaecf8, 0x59d90829, 0x59c71fe3, 0x59b53427, 0x59a344f6, 0x59915250,
+  0x597f5c36, 0x596d62a9,
+  0x595b65aa, 0x59496538, 0x59376155, 0x59255a02, 0x59134f3e, 0x5901410c,
+  0x58ef2f6b, 0x58dd1a5d,
+  0x58cb01e1, 0x58b8e5f9, 0x58a6c6a5, 0x5894a3e7, 0x58827dbe, 0x5870542c,
+  0x585e2730, 0x584bf6cd,
+  0x5839c302, 0x58278bd1, 0x58155139, 0x5803133c, 0x57f0d1da, 0x57de8d15,
+  0x57cc44ec, 0x57b9f960,
+  0x57a7aa73, 0x57955825, 0x57830276, 0x5770a968, 0x575e4cfa, 0x574bed2f,
+  0x57398a05, 0x5727237f,
+  0x5714b99d, 0x57024c5f, 0x56efdbc7, 0x56dd67d4, 0x56caf088, 0x56b875e4,
+  0x56a5f7e7, 0x56937694,
+  0x5680f1ea, 0x566e69ea, 0x565bde95, 0x56494fec, 0x5636bdef, 0x5624289f,
+  0x56118ffe, 0x55fef40a,
+  0x55ec54c6, 0x55d9b232, 0x55c70c4f, 0x55b4631d, 0x55a1b69d, 0x558f06d0,
+  0x557c53b6, 0x55699d51,
+  0x5556e3a1, 0x554426a7, 0x55316663, 0x551ea2d6, 0x550bdc01, 0x54f911e5,
+  0x54e64482, 0x54d373d9,
+  0x54c09feb, 0x54adc8b8, 0x549aee42, 0x54881089, 0x54752f8d, 0x54624b50,
+  0x544f63d2, 0x543c7914,
+  0x54298b17, 0x541699db, 0x5403a561, 0x53f0adaa, 0x53ddb2b6, 0x53cab486,
+  0x53b7b31c, 0x53a4ae77,
+  0x5391a699, 0x537e9b82, 0x536b8d33, 0x53587bad, 0x534566f0, 0x53324efd,
+  0x531f33d5, 0x530c1579,
+  0x52f8f3e9, 0x52e5cf27, 0x52d2a732, 0x52bf7c0b, 0x52ac4db4, 0x52991c2d,
+  0x5285e777, 0x5272af92,
+  0x525f7480, 0x524c3640, 0x5238f4d4, 0x5225b03d, 0x5212687b, 0x51ff1d8f,
+  0x51ebcf7a, 0x51d87e3c,
+  0x51c529d7, 0x51b1d24a, 0x519e7797, 0x518b19bf, 0x5177b8c2, 0x516454a0,
+  0x5150ed5c, 0x513d82f4,
+  0x512a156b, 0x5116a4c1, 0x510330f7, 0x50efba0d, 0x50dc4005, 0x50c8c2de,
+  0x50b5429a, 0x50a1bf39,
+  0x508e38bd, 0x507aaf25, 0x50672273, 0x505392a8, 0x503fffc4, 0x502c69c8,
+  0x5018d0b4, 0x5005348a,
+  0x4ff1954b, 0x4fddf2f6, 0x4fca4d8d, 0x4fb6a510, 0x4fa2f981, 0x4f8f4ae0,
+  0x4f7b992d, 0x4f67e46a,
+  0x4f542c98, 0x4f4071b6, 0x4f2cb3c7, 0x4f18f2c9, 0x4f052ec0, 0x4ef167aa,
+  0x4edd9d89, 0x4ec9d05e,
+  0x4eb60029, 0x4ea22ceb, 0x4e8e56a5, 0x4e7a7d58, 0x4e66a105, 0x4e52c1ab,
+  0x4e3edf4d, 0x4e2af9ea,
+  0x4e171184, 0x4e03261b, 0x4def37b0, 0x4ddb4644, 0x4dc751d8, 0x4db35a6c,
+  0x4d9f6001, 0x4d8b6298,
+  0x4d776231, 0x4d635ece, 0x4d4f5870, 0x4d3b4f16, 0x4d2742c2, 0x4d133374,
+  0x4cff212e, 0x4ceb0bf0,
+  0x4cd6f3bb, 0x4cc2d88f, 0x4caeba6e, 0x4c9a9958, 0x4c86754e, 0x4c724e50,
+  0x4c5e2460, 0x4c49f77f,
+  0x4c35c7ac, 0x4c2194e9, 0x4c0d5f37, 0x4bf92697, 0x4be4eb08, 0x4bd0ac8d,
+  0x4bbc6b25, 0x4ba826d1,
+  0x4b93df93, 0x4b7f956b, 0x4b6b485a, 0x4b56f861, 0x4b42a580, 0x4b2e4fb8,
+  0x4b19f70a, 0x4b059b77,
+  0x4af13d00, 0x4adcdba5, 0x4ac87767, 0x4ab41046, 0x4a9fa645, 0x4a8b3963,
+  0x4a76c9a2, 0x4a625701,
+  0x4a4de182, 0x4a396926, 0x4a24edee, 0x4a106fda, 0x49fbeeea, 0x49e76b21,
+  0x49d2e47e, 0x49be5b02,
+  0x49a9ceaf, 0x49953f84, 0x4980ad84, 0x496c18ae, 0x49578103, 0x4942e684,
+  0x492e4933, 0x4919a90f,
+  0x4905061a, 0x48f06054, 0x48dbb7be, 0x48c70c59, 0x48b25e25, 0x489dad25,
+  0x4888f957, 0x487442be,
+  0x485f8959, 0x484acd2a, 0x48360e32, 0x48214c71, 0x480c87e8, 0x47f7c099,
+  0x47e2f682, 0x47ce29a7,
+  0x47b95a06, 0x47a487a2, 0x478fb27b, 0x477ada91, 0x4765ffe6, 0x4751227a,
+  0x473c424e, 0x47275f63,
+  0x471279ba, 0x46fd9154, 0x46e8a631, 0x46d3b852, 0x46bec7b8, 0x46a9d464,
+  0x4694de56, 0x467fe590,
+  0x466aea12, 0x4655ebdd, 0x4640eaf2, 0x462be751, 0x4616e0fc, 0x4601d7f3,
+  0x45eccc37, 0x45d7bdc9,
+  0x45c2acaa, 0x45ad98da, 0x4598825a, 0x4583692c, 0x456e4d4f, 0x45592ec6,
+  0x45440d90, 0x452ee9ae,
+  0x4519c321, 0x450499eb, 0x44ef6e0b, 0x44da3f83, 0x44c50e53, 0x44afda7d,
+  0x449aa400, 0x44856adf,
+  0x44702f19, 0x445af0b0, 0x4445afa4, 0x44306bf6, 0x441b25a8, 0x4405dcb9,
+  0x43f0912b, 0x43db42fe,
+  0x43c5f234, 0x43b09ecc, 0x439b48c9, 0x4385f02a, 0x437094f1, 0x435b371f,
+  0x4345d6b3, 0x433073b0,
+  0x431b0e15, 0x4305a5e5, 0x42f03b1e, 0x42dacdc3, 0x42c55dd4, 0x42afeb53,
+  0x429a763f, 0x4284fe99,
+  0x426f8463, 0x425a079e, 0x42448849, 0x422f0667, 0x421981f7, 0x4203fafb,
+  0x41ee7174, 0x41d8e561,
+  0x41c356c5, 0x41adc5a0, 0x419831f3, 0x41829bbe, 0x416d0302, 0x415767c1,
+  0x4141c9fb, 0x412c29b1,
+  0x411686e4, 0x4100e194, 0x40eb39c3, 0x40d58f71, 0x40bfe29f, 0x40aa334e,
+  0x4094817f, 0x407ecd32,
+  0x40691669, 0x40535d24, 0x403da165, 0x4027e32b, 0x40122278, 0x3ffc5f4d,
+  0x3fe699aa, 0x3fd0d191,
+  0x3fbb0702, 0x3fa539fd, 0x3f8f6a85, 0x3f799899, 0x3f63c43b, 0x3f4ded6b,
+  0x3f38142a, 0x3f22387a,
+  0x3f0c5a5a, 0x3ef679cc, 0x3ee096d1, 0x3ecab169, 0x3eb4c995, 0x3e9edf57,
+  0x3e88f2ae, 0x3e73039d,
+  0x3e5d1222, 0x3e471e41, 0x3e3127f9, 0x3e1b2f4a, 0x3e053437, 0x3def36c0,
+  0x3dd936e6, 0x3dc334a9,
+  0x3dad300b, 0x3d97290b, 0x3d811fac, 0x3d6b13ee, 0x3d5505d2, 0x3d3ef559,
+  0x3d28e282, 0x3d12cd51,
+  0x3cfcb5c4, 0x3ce69bde, 0x3cd07f9f, 0x3cba6107, 0x3ca44018, 0x3c8e1cd3,
+  0x3c77f737, 0x3c61cf48,
+  0x3c4ba504, 0x3c35786d, 0x3c1f4983, 0x3c091849, 0x3bf2e4be, 0x3bdcaee3,
+  0x3bc676b9, 0x3bb03c42,
+  0x3b99ff7d, 0x3b83c06c, 0x3b6d7f10, 0x3b573b69, 0x3b40f579, 0x3b2aad3f,
+  0x3b1462be, 0x3afe15f6,
+  0x3ae7c6e7, 0x3ad17593, 0x3abb21fb, 0x3aa4cc1e, 0x3a8e7400, 0x3a78199f,
+  0x3a61bcfd, 0x3a4b5e1b,
+  0x3a34fcf9, 0x3a1e9999, 0x3a0833fc, 0x39f1cc21, 0x39db620b, 0x39c4f5ba,
+  0x39ae872f, 0x3998166a,
+  0x3981a36d, 0x396b2e38, 0x3954b6cd, 0x393e3d2c, 0x3927c155, 0x3911434b,
+  0x38fac30e, 0x38e4409e,
+  0x38cdbbfc, 0x38b7352a, 0x38a0ac29, 0x388a20f8, 0x38739399, 0x385d040d,
+  0x38467255, 0x382fde72,
+  0x38194864, 0x3802b02c, 0x37ec15cb, 0x37d57943, 0x37beda93, 0x37a839be,
+  0x379196c3, 0x377af1a3,
+  0x37644a60, 0x374da0fa, 0x3736f573, 0x372047ca, 0x37099802, 0x36f2e61a,
+  0x36dc3214, 0x36c57bf0,
+  0x36aec3b0, 0x36980954, 0x36814cde, 0x366a8e4d, 0x3653cda3, 0x363d0ae2,
+  0x36264609, 0x360f7f19,
+  0x35f8b614, 0x35e1eafa, 0x35cb1dcc, 0x35b44e8c, 0x359d7d39, 0x3586a9d5,
+  0x356fd461, 0x3558fcde,
+  0x3542234c, 0x352b47ad, 0x35146a00, 0x34fd8a48, 0x34e6a885, 0x34cfc4b7,
+  0x34b8dee1, 0x34a1f702,
+  0x348b0d1c, 0x3474212f, 0x345d333c, 0x34464345, 0x342f5149, 0x34185d4b,
+  0x3401674a, 0x33ea6f48,
+  0x33d37546, 0x33bc7944, 0x33a57b44, 0x338e7b46, 0x3377794b, 0x33607554,
+  0x33496f62, 0x33326776,
+  0x331b5d91, 0x330451b3, 0x32ed43de, 0x32d63412, 0x32bf2250, 0x32a80e99,
+  0x3290f8ef, 0x3279e151,
+  0x3262c7c1, 0x324bac40, 0x32348ecf, 0x321d6f6e, 0x32064e1e, 0x31ef2ae1,
+  0x31d805b7, 0x31c0dea1,
+  0x31a9b5a0, 0x31928ab4, 0x317b5de0, 0x31642f23, 0x314cfe7f, 0x3135cbf4,
+  0x311e9783, 0x3107612e,
+  0x30f028f4, 0x30d8eed8, 0x30c1b2da, 0x30aa74fa, 0x3093353a, 0x307bf39b,
+  0x3064b01d, 0x304d6ac1,
+  0x30362389, 0x301eda75, 0x30078f86, 0x2ff042bd, 0x2fd8f41b, 0x2fc1a3a0,
+  0x2faa514f, 0x2f92fd26,
+  0x2f7ba729, 0x2f644f56, 0x2f4cf5b0, 0x2f359a37, 0x2f1e3ced, 0x2f06ddd1,
+  0x2eef7ce5, 0x2ed81a29,
+  0x2ec0b5a0, 0x2ea94f49, 0x2e91e725, 0x2e7a7d36, 0x2e63117c, 0x2e4ba3f8,
+  0x2e3434ac, 0x2e1cc397,
+  0x2e0550bb, 0x2deddc19, 0x2dd665b2, 0x2dbeed86, 0x2da77397, 0x2d8ff7e5,
+  0x2d787a72, 0x2d60fb3e,
+  0x2d497a4a, 0x2d31f797, 0x2d1a7325, 0x2d02ecf7, 0x2ceb650d, 0x2cd3db67,
+  0x2cbc5006, 0x2ca4c2ed,
+  0x2c8d341a, 0x2c75a390, 0x2c5e114f, 0x2c467d58, 0x2c2ee7ad, 0x2c17504d,
+  0x2bffb73a, 0x2be81c74,
+  0x2bd07ffe, 0x2bb8e1d7, 0x2ba14200, 0x2b89a07b, 0x2b71fd48, 0x2b5a5868,
+  0x2b42b1dd, 0x2b2b09a6,
+  0x2b135fc6, 0x2afbb43c, 0x2ae4070a, 0x2acc5831, 0x2ab4a7b1, 0x2a9cf58c,
+  0x2a8541c3, 0x2a6d8c55,
+  0x2a55d545, 0x2a3e1c93, 0x2a266240, 0x2a0ea64d, 0x29f6e8bb, 0x29df298b,
+  0x29c768be, 0x29afa654,
+  0x2997e24f, 0x29801caf, 0x29685576, 0x29508ca4, 0x2938c23a, 0x2920f63a,
+  0x290928a3, 0x28f15978,
+  0x28d988b8, 0x28c1b666, 0x28a9e281, 0x28920d0a, 0x287a3604, 0x28625d6d,
+  0x284a8349, 0x2832a796,
+  0x281aca57, 0x2802eb8c, 0x27eb0b36, 0x27d32956, 0x27bb45ed, 0x27a360fc,
+  0x278b7a84, 0x27739285,
+  0x275ba901, 0x2743bdf9, 0x272bd16d, 0x2713e35f, 0x26fbf3ce, 0x26e402bd,
+  0x26cc102d, 0x26b41c1d,
+  0x269c268f, 0x26842f84, 0x266c36fe, 0x26543cfb, 0x263c417f, 0x26244489,
+  0x260c461b, 0x25f44635,
+  0x25dc44d9, 0x25c44207, 0x25ac3dc0, 0x25943806, 0x257c30d8, 0x25642839,
+  0x254c1e28, 0x253412a8,
+  0x251c05b8, 0x2503f75a, 0x24ebe78f, 0x24d3d657, 0x24bbc3b4, 0x24a3afa6,
+  0x248b9a2f, 0x2473834f,
+  0x245b6b07, 0x24435158, 0x242b3644, 0x241319ca, 0x23fafbec, 0x23e2dcac,
+  0x23cabc09, 0x23b29a05,
+  0x239a76a0, 0x238251dd, 0x236a2bba, 0x2352043b, 0x2339db5e, 0x2321b126,
+  0x23098593, 0x22f158a7,
+  0x22d92a61, 0x22c0fac4, 0x22a8c9cf, 0x22909785, 0x227863e5, 0x22602ef1,
+  0x2247f8aa, 0x222fc111,
+  0x22178826, 0x21ff4dea, 0x21e71260, 0x21ced586, 0x21b6975f, 0x219e57eb,
+  0x2186172b, 0x216dd521,
+  0x215591cc, 0x213d4d2f, 0x21250749, 0x210cc01d, 0x20f477aa, 0x20dc2df2,
+  0x20c3e2f5, 0x20ab96b5,
+  0x20934933, 0x207afa6f, 0x2062aa6b, 0x204a5927, 0x203206a4, 0x2019b2e4,
+  0x20015de7, 0x1fe907ae,
+  0x1fd0b03a, 0x1fb8578b, 0x1f9ffda4, 0x1f87a285, 0x1f6f462f, 0x1f56e8a2,
+  0x1f3e89e0, 0x1f2629ea,
+  0x1f0dc8c0, 0x1ef56664, 0x1edd02d6, 0x1ec49e17, 0x1eac3829, 0x1e93d10c,
+  0x1e7b68c2, 0x1e62ff4a,
+  0x1e4a94a7, 0x1e3228d9, 0x1e19bbe0, 0x1e014dbf, 0x1de8de75, 0x1dd06e04,
+  0x1db7fc6d, 0x1d9f89b1,
+  0x1d8715d0, 0x1d6ea0cc, 0x1d562aa6, 0x1d3db35e, 0x1d253af5, 0x1d0cc16c,
+  0x1cf446c5, 0x1cdbcb00,
+  0x1cc34e1f, 0x1caad021, 0x1c925109, 0x1c79d0d6, 0x1c614f8b, 0x1c48cd27,
+  0x1c3049ac, 0x1c17c51b,
+  0x1bff3f75, 0x1be6b8ba, 0x1bce30ec, 0x1bb5a80c, 0x1b9d1e1a, 0x1b849317,
+  0x1b6c0705, 0x1b5379e5,
+  0x1b3aebb6, 0x1b225c7b, 0x1b09cc34, 0x1af13ae3, 0x1ad8a887, 0x1ac01522,
+  0x1aa780b6, 0x1a8eeb42,
+  0x1a7654c8, 0x1a5dbd49, 0x1a4524c6, 0x1a2c8b3f, 0x1a13f0b6, 0x19fb552c,
+  0x19e2b8a2, 0x19ca1b17,
+  0x19b17c8f, 0x1998dd09, 0x19803c86, 0x19679b07, 0x194ef88e, 0x1936551b,
+  0x191db0af, 0x19050b4b,
+  0x18ec64f0, 0x18d3bda0, 0x18bb155a, 0x18a26c20, 0x1889c1f3, 0x187116d4,
+  0x18586ac3, 0x183fbdc3,
+  0x18270fd3, 0x180e60f4, 0x17f5b129, 0x17dd0070, 0x17c44ecd, 0x17ab9c3e,
+  0x1792e8c6, 0x177a3466,
+  0x17617f1d, 0x1748c8ee, 0x173011d9, 0x171759df, 0x16fea102, 0x16e5e741,
+  0x16cd2c9f, 0x16b4711b,
+  0x169bb4b7, 0x1682f774, 0x166a3953, 0x16517a55, 0x1638ba7a, 0x161ff9c4,
+  0x16073834, 0x15ee75cb,
+  0x15d5b288, 0x15bcee6f, 0x15a4297f, 0x158b63b9, 0x15729d1f, 0x1559d5b1,
+  0x15410d70, 0x1528445d,
+  0x150f7a7a, 0x14f6afc7, 0x14dde445, 0x14c517f4, 0x14ac4ad7, 0x14937cee,
+  0x147aae3a, 0x1461debc,
+  0x14490e74, 0x14303d65, 0x14176b8e, 0x13fe98f1, 0x13e5c58e, 0x13ccf167,
+  0x13b41c7d, 0x139b46d0,
+  0x13827062, 0x13699933, 0x1350c144, 0x1337e897, 0x131f0f2c, 0x13063505,
+  0x12ed5a21, 0x12d47e83,
+  0x12bba22b, 0x12a2c51b, 0x1289e752, 0x127108d2, 0x1258299c, 0x123f49b2,
+  0x12266913, 0x120d87c1,
+  0x11f4a5bd, 0x11dbc307, 0x11c2dfa2, 0x11a9fb8d, 0x119116c9, 0x11783159,
+  0x115f4b3c, 0x11466473,
+  0x112d7d00, 0x111494e4, 0x10fbac1e, 0x10e2c2b2, 0x10c9d89e, 0x10b0ede5,
+  0x10980287, 0x107f1686,
+  0x106629e1, 0x104d3c9b, 0x10344eb4, 0x101b602d, 0x10027107, 0xfe98143,
+  0xfd090e1, 0xfb79fe4,
+  0xf9eae4c, 0xf85bc19, 0xf6cc94e, 0xf53d5ea, 0xf3ae1ee, 0xf21ed5d, 0xf08f836,
+  0xef0027b,
+  0xed70c2c, 0xebe154b, 0xea51dd8, 0xe8c25d5, 0xe732d42, 0xe5a3421, 0xe413a72,
+  0xe284036,
+  0xe0f456f, 0xdf64a1c, 0xddd4e40, 0xdc451dc, 0xdab54ef, 0xd92577b, 0xd795982,
+  0xd605b03,
+  0xd475c00, 0xd2e5c7b, 0xd155c73, 0xcfc5bea, 0xce35ae1, 0xcca5959, 0xcb15752,
+  0xc9854cf,
+  0xc7f51cf, 0xc664e53, 0xc4d4a5d, 0xc3445ee, 0xc1b4107, 0xc023ba7, 0xbe935d2,
+  0xbd02f87,
+  0xbb728c7, 0xb9e2193, 0xb8519ed, 0xb6c11d5, 0xb53094d, 0xb3a0055, 0xb20f6ee,
+  0xb07ed19,
+  0xaeee2d7, 0xad5d829, 0xabccd11, 0xaa3c18e, 0xa8ab5a2, 0xa71a94f, 0xa589c94,
+  0xa3f8f73,
+  0xa2681ed, 0xa0d7403, 0x9f465b5, 0x9db5706, 0x9c247f5, 0x9a93884, 0x99028b3,
+  0x9771884,
+  0x95e07f8, 0x944f70f, 0x92be5ca, 0x912d42c, 0x8f9c233, 0x8e0afe2, 0x8c79d3a,
+  0x8ae8a3a,
+  0x89576e5, 0x87c633c, 0x8634f3e, 0x84a3aee, 0x831264c, 0x8181159, 0x7fefc16,
+  0x7e5e685,
+  0x7ccd0a5, 0x7b3ba78, 0x79aa400, 0x7818d3c, 0x768762e, 0x74f5ed7, 0x7364738,
+  0x71d2f52,
+  0x7041726, 0x6eafeb4, 0x6d1e5fe, 0x6b8cd05, 0x69fb3c9, 0x6869a4c, 0x66d808f,
+  0x6546692,
+  0x63b4c57, 0x62231de, 0x6091729, 0x5effc38, 0x5d6e10c, 0x5bdc5a7, 0x5a4aa09,
+  0x58b8e34,
+  0x5727228, 0x55955e6, 0x540396f, 0x5271cc4, 0x50dffe7, 0x4f4e2d8, 0x4dbc597,
+  0x4c2a827,
+  0x4a98a88, 0x4906cbb, 0x4774ec1, 0x45e309a, 0x4451249, 0x42bf3cd, 0x412d528,
+  0x3f9b65b,
+  0x3e09767, 0x3c7784d, 0x3ae590d, 0x39539a9, 0x37c1a22, 0x362fa78, 0x349daac,
+  0x330bac1,
+  0x3179ab5, 0x2fe7a8c, 0x2e55a44, 0x2cc39e1, 0x2b31961, 0x299f8c7, 0x280d813,
+  0x267b747,
+  0x24e9662, 0x2357567, 0x21c5457, 0x2033331, 0x1ea11f7, 0x1d0f0ab, 0x1b7cf4d,
+  0x19eaddd,
+  0x1858c5e, 0x16c6ad0, 0x1534934, 0x13a278a, 0x12105d5, 0x107e414, 0xeec249,
+  0xd5a075,
+  0xbc7e99, 0xa35cb5, 0x8a3acb, 0x7118dc, 0x57f6e9, 0x3ed4f2, 0x25b2f8,
+  0xc90fe,
+
+};
+
+static const q31_t cos_factorsQ31_8192[8192] = {
+  0x7ffffff6, 0x7fffffa7, 0x7fffff09, 0x7ffffe1c, 0x7ffffce1, 0x7ffffb56,
+    0x7ffff97c, 0x7ffff753,
+  0x7ffff4dc, 0x7ffff215, 0x7fffef00, 0x7fffeb9b, 0x7fffe7e8, 0x7fffe3e5,
+    0x7fffdf94, 0x7fffdaf3,
+  0x7fffd604, 0x7fffd0c6, 0x7fffcb39, 0x7fffc55c, 0x7fffbf31, 0x7fffb8b7,
+    0x7fffb1ee, 0x7fffaad6,
+  0x7fffa36f, 0x7fff9bb9, 0x7fff93b4, 0x7fff8b61, 0x7fff82be, 0x7fff79cc,
+    0x7fff708b, 0x7fff66fc,
+  0x7fff5d1d, 0x7fff52ef, 0x7fff4873, 0x7fff3da8, 0x7fff328d, 0x7fff2724,
+    0x7fff1b6b, 0x7fff0f64,
+  0x7fff030e, 0x7ffef669, 0x7ffee975, 0x7ffedc31, 0x7ffece9f, 0x7ffec0be,
+    0x7ffeb28e, 0x7ffea40f,
+  0x7ffe9542, 0x7ffe8625, 0x7ffe76b9, 0x7ffe66fe, 0x7ffe56f5, 0x7ffe469c,
+    0x7ffe35f4, 0x7ffe24fe,
+  0x7ffe13b8, 0x7ffe0224, 0x7ffdf040, 0x7ffdde0e, 0x7ffdcb8d, 0x7ffdb8bc,
+    0x7ffda59d, 0x7ffd922f,
+  0x7ffd7e72, 0x7ffd6a66, 0x7ffd560b, 0x7ffd4161, 0x7ffd2c68, 0x7ffd1720,
+    0x7ffd0189, 0x7ffceba4,
+  0x7ffcd56f, 0x7ffcbeeb, 0x7ffca819, 0x7ffc90f7, 0x7ffc7987, 0x7ffc61c7,
+    0x7ffc49b9, 0x7ffc315b,
+  0x7ffc18af, 0x7ffbffb4, 0x7ffbe66a, 0x7ffbccd0, 0x7ffbb2e8, 0x7ffb98b1,
+    0x7ffb7e2b, 0x7ffb6356,
+  0x7ffb4833, 0x7ffb2cc0, 0x7ffb10fe, 0x7ffaf4ed, 0x7ffad88e, 0x7ffabbdf,
+    0x7ffa9ee2, 0x7ffa8195,
+  0x7ffa63fa, 0x7ffa460f, 0x7ffa27d6, 0x7ffa094e, 0x7ff9ea76, 0x7ff9cb50,
+    0x7ff9abdb, 0x7ff98c17,
+  0x7ff96c04, 0x7ff94ba2, 0x7ff92af1, 0x7ff909f2, 0x7ff8e8a3, 0x7ff8c705,
+    0x7ff8a519, 0x7ff882dd,
+  0x7ff86053, 0x7ff83d79, 0x7ff81a51, 0x7ff7f6da, 0x7ff7d313, 0x7ff7aefe,
+    0x7ff78a9a, 0x7ff765e7,
+  0x7ff740e5, 0x7ff71b94, 0x7ff6f5f4, 0x7ff6d005, 0x7ff6a9c8, 0x7ff6833b,
+    0x7ff65c5f, 0x7ff63535,
+  0x7ff60dbb, 0x7ff5e5f3, 0x7ff5bddc, 0x7ff59576, 0x7ff56cc0, 0x7ff543bc,
+    0x7ff51a69, 0x7ff4f0c7,
+  0x7ff4c6d6, 0x7ff49c96, 0x7ff47208, 0x7ff4472a, 0x7ff41bfd, 0x7ff3f082,
+    0x7ff3c4b7, 0x7ff3989e,
+  0x7ff36c36, 0x7ff33f7e, 0x7ff31278, 0x7ff2e523, 0x7ff2b77f, 0x7ff2898c,
+    0x7ff25b4a, 0x7ff22cb9,
+  0x7ff1fdd9, 0x7ff1ceab, 0x7ff19f2d, 0x7ff16f61, 0x7ff13f45, 0x7ff10edb,
+    0x7ff0de22, 0x7ff0ad19,
+  0x7ff07bc2, 0x7ff04a1c, 0x7ff01827, 0x7fefe5e4, 0x7fefb351, 0x7fef806f,
+    0x7fef4d3e, 0x7fef19bf,
+  0x7feee5f0, 0x7feeb1d3, 0x7fee7d67, 0x7fee48ac, 0x7fee13a1, 0x7fedde48,
+    0x7feda8a0, 0x7fed72aa,
+  0x7fed3c64, 0x7fed05cf, 0x7fecceec, 0x7fec97b9, 0x7fec6038, 0x7fec2867,
+    0x7febf048, 0x7febb7da,
+  0x7feb7f1d, 0x7feb4611, 0x7feb0cb6, 0x7fead30c, 0x7fea9914, 0x7fea5ecc,
+    0x7fea2436, 0x7fe9e950,
+  0x7fe9ae1c, 0x7fe97299, 0x7fe936c7, 0x7fe8faa6, 0x7fe8be36, 0x7fe88177,
+    0x7fe84469, 0x7fe8070d,
+  0x7fe7c961, 0x7fe78b67, 0x7fe74d1e, 0x7fe70e85, 0x7fe6cf9e, 0x7fe69068,
+    0x7fe650e3, 0x7fe61110,
+  0x7fe5d0ed, 0x7fe5907b, 0x7fe54fbb, 0x7fe50eac, 0x7fe4cd4d, 0x7fe48ba0,
+    0x7fe449a4, 0x7fe40759,
+  0x7fe3c4bf, 0x7fe381d7, 0x7fe33e9f, 0x7fe2fb19, 0x7fe2b743, 0x7fe2731f,
+    0x7fe22eac, 0x7fe1e9ea,
+  0x7fe1a4d9, 0x7fe15f79, 0x7fe119cb, 0x7fe0d3cd, 0x7fe08d81, 0x7fe046e5,
+    0x7fdffffb, 0x7fdfb8c2,
+  0x7fdf713a, 0x7fdf2963, 0x7fdee13e, 0x7fde98c9, 0x7fde5006, 0x7fde06f3,
+    0x7fddbd92, 0x7fdd73e2,
+  0x7fdd29e3, 0x7fdcdf95, 0x7fdc94f9, 0x7fdc4a0d, 0x7fdbfed3, 0x7fdbb349,
+    0x7fdb6771, 0x7fdb1b4a,
+  0x7fdaced4, 0x7fda820f, 0x7fda34fc, 0x7fd9e799, 0x7fd999e8, 0x7fd94be8,
+    0x7fd8fd98, 0x7fd8aefa,
+  0x7fd8600e, 0x7fd810d2, 0x7fd7c147, 0x7fd7716e, 0x7fd72146, 0x7fd6d0cf,
+    0x7fd68009, 0x7fd62ef4,
+  0x7fd5dd90, 0x7fd58bdd, 0x7fd539dc, 0x7fd4e78c, 0x7fd494ed, 0x7fd441ff,
+    0x7fd3eec2, 0x7fd39b36,
+  0x7fd3475c, 0x7fd2f332, 0x7fd29eba, 0x7fd249f3, 0x7fd1f4dd, 0x7fd19f78,
+    0x7fd149c5, 0x7fd0f3c2,
+  0x7fd09d71, 0x7fd046d1, 0x7fcfefe2, 0x7fcf98a4, 0x7fcf4117, 0x7fcee93c,
+    0x7fce9112, 0x7fce3898,
+  0x7fcddfd0, 0x7fcd86b9, 0x7fcd2d54, 0x7fccd39f, 0x7fcc799c, 0x7fcc1f4a,
+    0x7fcbc4a9, 0x7fcb69b9,
+  0x7fcb0e7a, 0x7fcab2ed, 0x7fca5710, 0x7fc9fae5, 0x7fc99e6b, 0x7fc941a2,
+    0x7fc8e48b, 0x7fc88724,
+  0x7fc8296f, 0x7fc7cb6b, 0x7fc76d18, 0x7fc70e76, 0x7fc6af86, 0x7fc65046,
+    0x7fc5f0b8, 0x7fc590db,
+  0x7fc530af, 0x7fc4d035, 0x7fc46f6b, 0x7fc40e53, 0x7fc3acec, 0x7fc34b36,
+    0x7fc2e931, 0x7fc286de,
+  0x7fc2243b, 0x7fc1c14a, 0x7fc15e0a, 0x7fc0fa7b, 0x7fc0969e, 0x7fc03271,
+    0x7fbfcdf6, 0x7fbf692c,
+  0x7fbf0414, 0x7fbe9eac, 0x7fbe38f6, 0x7fbdd2f0, 0x7fbd6c9c, 0x7fbd05fa,
+    0x7fbc9f08, 0x7fbc37c8,
+  0x7fbbd039, 0x7fbb685b, 0x7fbb002e, 0x7fba97b2, 0x7fba2ee8, 0x7fb9c5cf,
+    0x7fb95c67, 0x7fb8f2b0,
+  0x7fb888ab, 0x7fb81e57, 0x7fb7b3b4, 0x7fb748c2, 0x7fb6dd81, 0x7fb671f2,
+    0x7fb60614, 0x7fb599e7,
+  0x7fb52d6b, 0x7fb4c0a1, 0x7fb45387, 0x7fb3e61f, 0x7fb37869, 0x7fb30a63,
+    0x7fb29c0f, 0x7fb22d6c,
+  0x7fb1be7a, 0x7fb14f39, 0x7fb0dfaa, 0x7fb06fcb, 0x7fafff9e, 0x7faf8f23,
+    0x7faf1e58, 0x7faead3f,
+  0x7fae3bd7, 0x7fadca20, 0x7fad581b, 0x7face5c6, 0x7fac7323, 0x7fac0031,
+    0x7fab8cf1, 0x7fab1962,
+  0x7faaa584, 0x7faa3157, 0x7fa9bcdb, 0x7fa94811, 0x7fa8d2f8, 0x7fa85d90,
+    0x7fa7e7d9, 0x7fa771d4,
+  0x7fa6fb80, 0x7fa684dd, 0x7fa60dec, 0x7fa596ac, 0x7fa51f1d, 0x7fa4a73f,
+    0x7fa42f12, 0x7fa3b697,
+  0x7fa33dcd, 0x7fa2c4b5, 0x7fa24b4d, 0x7fa1d197, 0x7fa15792, 0x7fa0dd3f,
+    0x7fa0629c, 0x7f9fe7ab,
+  0x7f9f6c6b, 0x7f9ef0dd, 0x7f9e7500, 0x7f9df8d4, 0x7f9d7c59, 0x7f9cff90,
+    0x7f9c8278, 0x7f9c0511,
+  0x7f9b875b, 0x7f9b0957, 0x7f9a8b04, 0x7f9a0c62, 0x7f998d72, 0x7f990e33,
+    0x7f988ea5, 0x7f980ec8,
+  0x7f978e9d, 0x7f970e23, 0x7f968d5b, 0x7f960c43, 0x7f958add, 0x7f950929,
+    0x7f948725, 0x7f9404d3,
+  0x7f938232, 0x7f92ff43, 0x7f927c04, 0x7f91f878, 0x7f91749c, 0x7f90f072,
+    0x7f906bf9, 0x7f8fe731,
+  0x7f8f621b, 0x7f8edcb6, 0x7f8e5702, 0x7f8dd0ff, 0x7f8d4aae, 0x7f8cc40f,
+    0x7f8c3d20, 0x7f8bb5e3,
+  0x7f8b2e57, 0x7f8aa67d, 0x7f8a1e54, 0x7f8995dc, 0x7f890d15, 0x7f888400,
+    0x7f87fa9c, 0x7f8770ea,
+  0x7f86e6e9, 0x7f865c99, 0x7f85d1fa, 0x7f85470d, 0x7f84bbd1, 0x7f843047,
+    0x7f83a46e, 0x7f831846,
+  0x7f828bcf, 0x7f81ff0a, 0x7f8171f6, 0x7f80e494, 0x7f8056e3, 0x7f7fc8e3,
+    0x7f7f3a95, 0x7f7eabf8,
+  0x7f7e1d0c, 0x7f7d8dd2, 0x7f7cfe49, 0x7f7c6e71, 0x7f7bde4b, 0x7f7b4dd6,
+    0x7f7abd13, 0x7f7a2c01,
+  0x7f799aa0, 0x7f7908f0, 0x7f7876f2, 0x7f77e4a6, 0x7f77520a, 0x7f76bf21,
+    0x7f762be8, 0x7f759861,
+  0x7f75048b, 0x7f747067, 0x7f73dbf4, 0x7f734732, 0x7f72b222, 0x7f721cc3,
+    0x7f718715, 0x7f70f119,
+  0x7f705ace, 0x7f6fc435, 0x7f6f2d4d, 0x7f6e9617, 0x7f6dfe91, 0x7f6d66be,
+    0x7f6cce9b, 0x7f6c362a,
+  0x7f6b9d6b, 0x7f6b045d, 0x7f6a6b00, 0x7f69d154, 0x7f69375a, 0x7f689d12,
+    0x7f68027b, 0x7f676795,
+  0x7f66cc61, 0x7f6630de, 0x7f65950c, 0x7f64f8ec, 0x7f645c7d, 0x7f63bfc0,
+    0x7f6322b4, 0x7f62855a,
+  0x7f61e7b1, 0x7f6149b9, 0x7f60ab73, 0x7f600cdf, 0x7f5f6dfb, 0x7f5ecec9,
+    0x7f5e2f49, 0x7f5d8f7a,
+  0x7f5cef5c, 0x7f5c4ef0, 0x7f5bae36, 0x7f5b0d2c, 0x7f5a6bd5, 0x7f59ca2e,
+    0x7f592839, 0x7f5885f6,
+  0x7f57e364, 0x7f574083, 0x7f569d54, 0x7f55f9d6, 0x7f55560a, 0x7f54b1ef,
+    0x7f540d86, 0x7f5368ce,
+  0x7f52c3c8, 0x7f521e73, 0x7f5178cf, 0x7f50d2dd, 0x7f502c9d, 0x7f4f860e,
+    0x7f4edf30, 0x7f4e3804,
+  0x7f4d9089, 0x7f4ce8c0, 0x7f4c40a8, 0x7f4b9842, 0x7f4aef8d, 0x7f4a468a,
+    0x7f499d38, 0x7f48f398,
+  0x7f4849a9, 0x7f479f6c, 0x7f46f4e0, 0x7f464a06, 0x7f459edd, 0x7f44f365,
+    0x7f44479f, 0x7f439b8b,
+  0x7f42ef28, 0x7f424277, 0x7f419577, 0x7f40e828, 0x7f403a8b, 0x7f3f8ca0,
+    0x7f3ede66, 0x7f3e2fde,
+  0x7f3d8107, 0x7f3cd1e2, 0x7f3c226e, 0x7f3b72ab, 0x7f3ac29b, 0x7f3a123b,
+    0x7f39618e, 0x7f38b091,
+  0x7f37ff47, 0x7f374dad, 0x7f369bc6, 0x7f35e990, 0x7f35370b, 0x7f348438,
+    0x7f33d116, 0x7f331da6,
+  0x7f3269e8, 0x7f31b5db, 0x7f31017f, 0x7f304cd6, 0x7f2f97dd, 0x7f2ee296,
+    0x7f2e2d01, 0x7f2d771e,
+  0x7f2cc0eb, 0x7f2c0a6b, 0x7f2b539c, 0x7f2a9c7e, 0x7f29e512, 0x7f292d58,
+    0x7f28754f, 0x7f27bcf8,
+  0x7f270452, 0x7f264b5e, 0x7f25921c, 0x7f24d88b, 0x7f241eab, 0x7f23647e,
+    0x7f22aa01, 0x7f21ef37,
+  0x7f21341e, 0x7f2078b6, 0x7f1fbd00, 0x7f1f00fc, 0x7f1e44a9, 0x7f1d8808,
+    0x7f1ccb18, 0x7f1c0dda,
+  0x7f1b504e, 0x7f1a9273, 0x7f19d44a, 0x7f1915d2, 0x7f18570c, 0x7f1797f8,
+    0x7f16d895, 0x7f1618e4,
+  0x7f1558e4, 0x7f149896, 0x7f13d7fa, 0x7f13170f, 0x7f1255d6, 0x7f11944f,
+    0x7f10d279, 0x7f101054,
+  0x7f0f4de2, 0x7f0e8b21, 0x7f0dc811, 0x7f0d04b3, 0x7f0c4107, 0x7f0b7d0d,
+    0x7f0ab8c4, 0x7f09f42d,
+  0x7f092f47, 0x7f086a13, 0x7f07a491, 0x7f06dec0, 0x7f0618a1, 0x7f055233,
+    0x7f048b78, 0x7f03c46d,
+  0x7f02fd15, 0x7f02356e, 0x7f016d79, 0x7f00a535, 0x7effdca4, 0x7eff13c3,
+    0x7efe4a95, 0x7efd8118,
+  0x7efcb74d, 0x7efbed33, 0x7efb22cb, 0x7efa5815, 0x7ef98d11, 0x7ef8c1be,
+    0x7ef7f61d, 0x7ef72a2d,
+  0x7ef65def, 0x7ef59163, 0x7ef4c489, 0x7ef3f760, 0x7ef329e9, 0x7ef25c24,
+    0x7ef18e10, 0x7ef0bfae,
+  0x7eeff0fe, 0x7eef21ff, 0x7eee52b2, 0x7eed8317, 0x7eecb32d, 0x7eebe2f6,
+    0x7eeb1270, 0x7eea419b,
+  0x7ee97079, 0x7ee89f08, 0x7ee7cd49, 0x7ee6fb3b, 0x7ee628df, 0x7ee55635,
+    0x7ee4833d, 0x7ee3aff6,
+  0x7ee2dc61, 0x7ee2087e, 0x7ee1344d, 0x7ee05fcd, 0x7edf8aff, 0x7edeb5e3,
+    0x7edde079, 0x7edd0ac0,
+  0x7edc34b9, 0x7edb5e64, 0x7eda87c0, 0x7ed9b0ce, 0x7ed8d98e, 0x7ed80200,
+    0x7ed72a24, 0x7ed651f9,
+  0x7ed57980, 0x7ed4a0b9, 0x7ed3c7a3, 0x7ed2ee40, 0x7ed2148e, 0x7ed13a8e,
+    0x7ed0603f, 0x7ecf85a3,
+  0x7eceaab8, 0x7ecdcf7f, 0x7eccf3f8, 0x7ecc1822, 0x7ecb3bff, 0x7eca5f8d,
+    0x7ec982cd, 0x7ec8a5bf,
+  0x7ec7c862, 0x7ec6eab7, 0x7ec60cbe, 0x7ec52e77, 0x7ec44fe2, 0x7ec370fe,
+    0x7ec291cd, 0x7ec1b24d,
+  0x7ec0d27f, 0x7ebff263, 0x7ebf11f8, 0x7ebe313f, 0x7ebd5039, 0x7ebc6ee4,
+    0x7ebb8d40, 0x7ebaab4f,
+  0x7eb9c910, 0x7eb8e682, 0x7eb803a6, 0x7eb7207c, 0x7eb63d04, 0x7eb5593d,
+    0x7eb47529, 0x7eb390c6,
+  0x7eb2ac15, 0x7eb1c716, 0x7eb0e1c9, 0x7eaffc2e, 0x7eaf1645, 0x7eae300d,
+    0x7ead4987, 0x7eac62b3,
+  0x7eab7b91, 0x7eaa9421, 0x7ea9ac63, 0x7ea8c457, 0x7ea7dbfc, 0x7ea6f353,
+    0x7ea60a5d, 0x7ea52118,
+  0x7ea43785, 0x7ea34da4, 0x7ea26374, 0x7ea178f7, 0x7ea08e2b, 0x7e9fa312,
+    0x7e9eb7aa, 0x7e9dcbf4,
+  0x7e9cdff0, 0x7e9bf39e, 0x7e9b06fe, 0x7e9a1a10, 0x7e992cd4, 0x7e983f49,
+    0x7e975171, 0x7e96634a,
+  0x7e9574d6, 0x7e948613, 0x7e939702, 0x7e92a7a3, 0x7e91b7f6, 0x7e90c7fb,
+    0x7e8fd7b2, 0x7e8ee71b,
+  0x7e8df636, 0x7e8d0502, 0x7e8c1381, 0x7e8b21b1, 0x7e8a2f94, 0x7e893d28,
+    0x7e884a6f, 0x7e875767,
+  0x7e866411, 0x7e85706d, 0x7e847c7c, 0x7e83883c, 0x7e8293ae, 0x7e819ed2,
+    0x7e80a9a8, 0x7e7fb430,
+  0x7e7ebe6a, 0x7e7dc856, 0x7e7cd1f4, 0x7e7bdb44, 0x7e7ae446, 0x7e79ecf9,
+    0x7e78f55f, 0x7e77fd77,
+  0x7e770541, 0x7e760cbd, 0x7e7513ea, 0x7e741aca, 0x7e73215c, 0x7e7227a0,
+    0x7e712d96, 0x7e70333d,
+  0x7e6f3897, 0x7e6e3da3, 0x7e6d4261, 0x7e6c46d1, 0x7e6b4af2, 0x7e6a4ec6,
+    0x7e69524c, 0x7e685584,
+  0x7e67586e, 0x7e665b0a, 0x7e655d58, 0x7e645f58, 0x7e63610a, 0x7e62626e,
+    0x7e616384, 0x7e60644c,
+  0x7e5f64c7, 0x7e5e64f3, 0x7e5d64d1, 0x7e5c6461, 0x7e5b63a4, 0x7e5a6298,
+    0x7e59613f, 0x7e585f97,
+  0x7e575da2, 0x7e565b5f, 0x7e5558ce, 0x7e5455ef, 0x7e5352c1, 0x7e524f46,
+    0x7e514b7e, 0x7e504767,
+  0x7e4f4302, 0x7e4e3e4f, 0x7e4d394f, 0x7e4c3400, 0x7e4b2e64, 0x7e4a287a,
+    0x7e492241, 0x7e481bbb,
+  0x7e4714e7, 0x7e460dc5, 0x7e450656, 0x7e43fe98, 0x7e42f68c, 0x7e41ee33,
+    0x7e40e58c, 0x7e3fdc97,
+  0x7e3ed353, 0x7e3dc9c3, 0x7e3cbfe4, 0x7e3bb5b7, 0x7e3aab3c, 0x7e39a074,
+    0x7e38955e, 0x7e3789fa,
+  0x7e367e48, 0x7e357248, 0x7e3465fa, 0x7e33595e, 0x7e324c75, 0x7e313f3e,
+    0x7e3031b9, 0x7e2f23e6,
+  0x7e2e15c5, 0x7e2d0756, 0x7e2bf89a, 0x7e2ae990, 0x7e29da38, 0x7e28ca92,
+    0x7e27ba9e, 0x7e26aa5d,
+  0x7e2599cd, 0x7e2488f0, 0x7e2377c5, 0x7e22664c, 0x7e215486, 0x7e204271,
+    0x7e1f300f, 0x7e1e1d5f,
+  0x7e1d0a61, 0x7e1bf716, 0x7e1ae37c, 0x7e19cf95, 0x7e18bb60, 0x7e17a6dd,
+    0x7e16920d, 0x7e157cee,
+  0x7e146782, 0x7e1351c9, 0x7e123bc1, 0x7e11256c, 0x7e100ec8, 0x7e0ef7d7,
+    0x7e0de099, 0x7e0cc90c,
+  0x7e0bb132, 0x7e0a990a, 0x7e098095, 0x7e0867d1, 0x7e074ec0, 0x7e063561,
+    0x7e051bb4, 0x7e0401ba,
+  0x7e02e772, 0x7e01ccdc, 0x7e00b1f9, 0x7dff96c7, 0x7dfe7b48, 0x7dfd5f7b,
+    0x7dfc4361, 0x7dfb26f9,
+  0x7dfa0a43, 0x7df8ed3f, 0x7df7cfee, 0x7df6b24f, 0x7df59462, 0x7df47628,
+    0x7df357a0, 0x7df238ca,
+  0x7df119a7, 0x7deffa35, 0x7deeda77, 0x7dedba6a, 0x7dec9a10, 0x7deb7968,
+    0x7dea5872, 0x7de9372f,
+  0x7de8159e, 0x7de6f3c0, 0x7de5d193, 0x7de4af1a, 0x7de38c52, 0x7de2693d,
+    0x7de145da, 0x7de02229,
+  0x7ddefe2b, 0x7dddd9e0, 0x7ddcb546, 0x7ddb905f, 0x7dda6b2a, 0x7dd945a8,
+    0x7dd81fd8, 0x7dd6f9ba,
+  0x7dd5d34f, 0x7dd4ac96, 0x7dd38590, 0x7dd25e3c, 0x7dd1369a, 0x7dd00eab,
+    0x7dcee66e, 0x7dcdbde3,
+  0x7dcc950b, 0x7dcb6be6, 0x7dca4272, 0x7dc918b1, 0x7dc7eea3, 0x7dc6c447,
+    0x7dc5999d, 0x7dc46ea6,
+  0x7dc34361, 0x7dc217cf, 0x7dc0ebef, 0x7dbfbfc1, 0x7dbe9346, 0x7dbd667d,
+    0x7dbc3967, 0x7dbb0c03,
+  0x7db9de52, 0x7db8b053, 0x7db78207, 0x7db6536d, 0x7db52485, 0x7db3f550,
+    0x7db2c5cd, 0x7db195fd,
+  0x7db065df, 0x7daf3574, 0x7dae04bb, 0x7dacd3b5, 0x7daba261, 0x7daa70c0,
+    0x7da93ed1, 0x7da80c95,
+  0x7da6da0b, 0x7da5a733, 0x7da4740e, 0x7da3409c, 0x7da20cdc, 0x7da0d8cf,
+    0x7d9fa474, 0x7d9e6fcb,
+  0x7d9d3ad6, 0x7d9c0592, 0x7d9ad001, 0x7d999a23, 0x7d9863f7, 0x7d972d7e,
+    0x7d95f6b7, 0x7d94bfa3,
+  0x7d938841, 0x7d925092, 0x7d911896, 0x7d8fe04c, 0x7d8ea7b4, 0x7d8d6ecf,
+    0x7d8c359d, 0x7d8afc1d,
+  0x7d89c250, 0x7d888835, 0x7d874dcd, 0x7d861317, 0x7d84d814, 0x7d839cc4,
+    0x7d826126, 0x7d81253a,
+  0x7d7fe902, 0x7d7eac7c, 0x7d7d6fa8, 0x7d7c3287, 0x7d7af519, 0x7d79b75d,
+    0x7d787954, 0x7d773afd,
+  0x7d75fc59, 0x7d74bd68, 0x7d737e29, 0x7d723e9d, 0x7d70fec4, 0x7d6fbe9d,
+    0x7d6e7e29, 0x7d6d3d67,
+  0x7d6bfc58, 0x7d6abafc, 0x7d697952, 0x7d68375b, 0x7d66f517, 0x7d65b285,
+    0x7d646fa6, 0x7d632c79,
+  0x7d61e8ff, 0x7d60a538, 0x7d5f6124, 0x7d5e1cc2, 0x7d5cd813, 0x7d5b9316,
+    0x7d5a4dcc, 0x7d590835,
+  0x7d57c251, 0x7d567c1f, 0x7d5535a0, 0x7d53eed3, 0x7d52a7ba, 0x7d516053,
+    0x7d50189e, 0x7d4ed09d,
+  0x7d4d884e, 0x7d4c3fb1, 0x7d4af6c8, 0x7d49ad91, 0x7d48640d, 0x7d471a3c,
+    0x7d45d01d, 0x7d4485b1,
+  0x7d433af8, 0x7d41eff1, 0x7d40a49e, 0x7d3f58fd, 0x7d3e0d0e, 0x7d3cc0d3,
+    0x7d3b744a, 0x7d3a2774,
+  0x7d38da51, 0x7d378ce0, 0x7d363f23, 0x7d34f118, 0x7d33a2bf, 0x7d32541a,
+    0x7d310527, 0x7d2fb5e7,
+  0x7d2e665a, 0x7d2d1680, 0x7d2bc659, 0x7d2a75e4, 0x7d292522, 0x7d27d413,
+    0x7d2682b6, 0x7d25310d,
+  0x7d23df16, 0x7d228cd2, 0x7d213a41, 0x7d1fe762, 0x7d1e9437, 0x7d1d40be,
+    0x7d1becf8, 0x7d1a98e5,
+  0x7d194485, 0x7d17efd8, 0x7d169add, 0x7d154595, 0x7d13f001, 0x7d129a1f,
+    0x7d1143ef, 0x7d0fed73,
+  0x7d0e96aa, 0x7d0d3f93, 0x7d0be82f, 0x7d0a907e, 0x7d093880, 0x7d07e035,
+    0x7d06879d, 0x7d052eb8,
+  0x7d03d585, 0x7d027c05, 0x7d012239, 0x7cffc81f, 0x7cfe6db8, 0x7cfd1304,
+    0x7cfbb803, 0x7cfa5cb4,
+  0x7cf90119, 0x7cf7a531, 0x7cf648fb, 0x7cf4ec79, 0x7cf38fa9, 0x7cf2328c,
+    0x7cf0d522, 0x7cef776b,
+  0x7cee1967, 0x7cecbb16, 0x7ceb5c78, 0x7ce9fd8d, 0x7ce89e55, 0x7ce73ed0,
+    0x7ce5defd, 0x7ce47ede,
+  0x7ce31e72, 0x7ce1bdb8, 0x7ce05cb2, 0x7cdefb5e, 0x7cdd99be, 0x7cdc37d0,
+    0x7cdad596, 0x7cd9730e,
+  0x7cd8103a, 0x7cd6ad18, 0x7cd549aa, 0x7cd3e5ee, 0x7cd281e5, 0x7cd11d90,
+    0x7ccfb8ed, 0x7cce53fe,
+  0x7ccceec1, 0x7ccb8937, 0x7cca2361, 0x7cc8bd3d, 0x7cc756cd, 0x7cc5f010,
+    0x7cc48905, 0x7cc321ae,
+  0x7cc1ba09, 0x7cc05218, 0x7cbee9da, 0x7cbd814f, 0x7cbc1877, 0x7cbaaf51,
+    0x7cb945df, 0x7cb7dc20,
+  0x7cb67215, 0x7cb507bc, 0x7cb39d16, 0x7cb23223, 0x7cb0c6e4, 0x7caf5b57,
+    0x7cadef7e, 0x7cac8358,
+  0x7cab16e4, 0x7ca9aa24, 0x7ca83d17, 0x7ca6cfbd, 0x7ca56216, 0x7ca3f423,
+    0x7ca285e2, 0x7ca11755,
+  0x7c9fa87a, 0x7c9e3953, 0x7c9cc9df, 0x7c9b5a1e, 0x7c99ea10, 0x7c9879b6,
+    0x7c97090e, 0x7c95981a,
+  0x7c9426d8, 0x7c92b54a, 0x7c91436f, 0x7c8fd148, 0x7c8e5ed3, 0x7c8cec12,
+    0x7c8b7903, 0x7c8a05a8,
+  0x7c889200, 0x7c871e0c, 0x7c85a9ca, 0x7c84353c, 0x7c82c060, 0x7c814b39,
+    0x7c7fd5c4, 0x7c7e6002,
+  0x7c7ce9f4, 0x7c7b7399, 0x7c79fcf1, 0x7c7885fc, 0x7c770eba, 0x7c75972c,
+    0x7c741f51, 0x7c72a729,
+  0x7c712eb5, 0x7c6fb5f3, 0x7c6e3ce5, 0x7c6cc38a, 0x7c6b49e3, 0x7c69cfee,
+    0x7c6855ad, 0x7c66db1f,
+  0x7c656045, 0x7c63e51e, 0x7c6269aa, 0x7c60ede9, 0x7c5f71db, 0x7c5df581,
+    0x7c5c78da, 0x7c5afbe6,
+  0x7c597ea6, 0x7c580119, 0x7c56833f, 0x7c550519, 0x7c5386a6, 0x7c5207e6,
+    0x7c5088d9, 0x7c4f0980,
+  0x7c4d89da, 0x7c4c09e8, 0x7c4a89a8, 0x7c49091c, 0x7c478844, 0x7c46071f,
+    0x7c4485ad, 0x7c4303ee,
+  0x7c4181e3, 0x7c3fff8b, 0x7c3e7ce7, 0x7c3cf9f5, 0x7c3b76b8, 0x7c39f32d,
+    0x7c386f56, 0x7c36eb33,
+  0x7c3566c2, 0x7c33e205, 0x7c325cfc, 0x7c30d7a6, 0x7c2f5203, 0x7c2dcc14,
+    0x7c2c45d8, 0x7c2abf4f,
+  0x7c29387a, 0x7c27b158, 0x7c2629ea, 0x7c24a22f, 0x7c231a28, 0x7c2191d4,
+    0x7c200933, 0x7c1e8046,
+  0x7c1cf70c, 0x7c1b6d86, 0x7c19e3b3, 0x7c185994, 0x7c16cf28, 0x7c15446f,
+    0x7c13b96a, 0x7c122e19,
+  0x7c10a27b, 0x7c0f1690, 0x7c0d8a59, 0x7c0bfdd5, 0x7c0a7105, 0x7c08e3e8,
+    0x7c07567f, 0x7c05c8c9,
+  0x7c043ac7, 0x7c02ac78, 0x7c011ddd, 0x7bff8ef5, 0x7bfdffc1, 0x7bfc7041,
+    0x7bfae073, 0x7bf9505a,
+  0x7bf7bff4, 0x7bf62f41, 0x7bf49e42, 0x7bf30cf6, 0x7bf17b5e, 0x7befe97a,
+    0x7bee5749, 0x7becc4cc,
+  0x7beb3202, 0x7be99eec, 0x7be80b89, 0x7be677da, 0x7be4e3df, 0x7be34f97,
+    0x7be1bb02, 0x7be02621,
+  0x7bde90f4, 0x7bdcfb7b, 0x7bdb65b5, 0x7bd9cfa2, 0x7bd83944, 0x7bd6a298,
+    0x7bd50ba1, 0x7bd3745d,
+  0x7bd1dccc, 0x7bd044f0, 0x7bceacc7, 0x7bcd1451, 0x7bcb7b8f, 0x7bc9e281,
+    0x7bc84927, 0x7bc6af80,
+  0x7bc5158c, 0x7bc37b4d, 0x7bc1e0c1, 0x7bc045e9, 0x7bbeaac4, 0x7bbd0f53,
+    0x7bbb7396, 0x7bb9d78c,
+  0x7bb83b36, 0x7bb69e94, 0x7bb501a5, 0x7bb3646a, 0x7bb1c6e3, 0x7bb02910,
+    0x7bae8af0, 0x7bacec84,
+  0x7bab4dcc, 0x7ba9aec7, 0x7ba80f76, 0x7ba66fd9, 0x7ba4cfef, 0x7ba32fba,
+    0x7ba18f38, 0x7b9fee69,
+  0x7b9e4d4f, 0x7b9cabe8, 0x7b9b0a35, 0x7b996836, 0x7b97c5ea, 0x7b962352,
+    0x7b94806e, 0x7b92dd3e,
+  0x7b9139c2, 0x7b8f95f9, 0x7b8df1e4, 0x7b8c4d83, 0x7b8aa8d6, 0x7b8903dc,
+    0x7b875e96, 0x7b85b904,
+  0x7b841326, 0x7b826cfc, 0x7b80c686, 0x7b7f1fc3, 0x7b7d78b4, 0x7b7bd159,
+    0x7b7a29b2, 0x7b7881be,
+  0x7b76d97f, 0x7b7530f3, 0x7b73881b, 0x7b71def7, 0x7b703587, 0x7b6e8bcb,
+    0x7b6ce1c2, 0x7b6b376e,
+  0x7b698ccd, 0x7b67e1e0, 0x7b6636a7, 0x7b648b22, 0x7b62df51, 0x7b613334,
+    0x7b5f86ca, 0x7b5dda15,
+  0x7b5c2d13, 0x7b5a7fc6, 0x7b58d22c, 0x7b572446, 0x7b557614, 0x7b53c796,
+    0x7b5218cc, 0x7b5069b6,
+  0x7b4eba53, 0x7b4d0aa5, 0x7b4b5aab, 0x7b49aa64, 0x7b47f9d2, 0x7b4648f3,
+    0x7b4497c9, 0x7b42e652,
+  0x7b413490, 0x7b3f8281, 0x7b3dd026, 0x7b3c1d80, 0x7b3a6a8d, 0x7b38b74e,
+    0x7b3703c3, 0x7b354fed,
+  0x7b339bca, 0x7b31e75b, 0x7b3032a0, 0x7b2e7d9a, 0x7b2cc847, 0x7b2b12a8,
+    0x7b295cbe, 0x7b27a687,
+  0x7b25f004, 0x7b243936, 0x7b22821b, 0x7b20cab5, 0x7b1f1302, 0x7b1d5b04,
+    0x7b1ba2b9, 0x7b19ea23,
+  0x7b183141, 0x7b167813, 0x7b14be99, 0x7b1304d3, 0x7b114ac1, 0x7b0f9063,
+    0x7b0dd5b9, 0x7b0c1ac4,
+  0x7b0a5f82, 0x7b08a3f5, 0x7b06e81b, 0x7b052bf6, 0x7b036f85, 0x7b01b2c8,
+    0x7afff5bf, 0x7afe386a,
+  0x7afc7aca, 0x7afabcdd, 0x7af8fea5, 0x7af74021, 0x7af58151, 0x7af3c235,
+    0x7af202cd, 0x7af0431a,
+  0x7aee831a, 0x7aecc2cf, 0x7aeb0238, 0x7ae94155, 0x7ae78026, 0x7ae5beac,
+    0x7ae3fce6, 0x7ae23ad4,
+  0x7ae07876, 0x7adeb5cc, 0x7adcf2d6, 0x7adb2f95, 0x7ad96c08, 0x7ad7a82f,
+    0x7ad5e40a, 0x7ad41f9a,
+  0x7ad25ade, 0x7ad095d6, 0x7aced082, 0x7acd0ae3, 0x7acb44f8, 0x7ac97ec1,
+    0x7ac7b83e, 0x7ac5f170,
+  0x7ac42a55, 0x7ac262ef, 0x7ac09b3e, 0x7abed341, 0x7abd0af7, 0x7abb4263,
+    0x7ab97982, 0x7ab7b056,
+  0x7ab5e6de, 0x7ab41d1b, 0x7ab2530b, 0x7ab088b0, 0x7aaebe0a, 0x7aacf318,
+    0x7aab27da, 0x7aa95c50,
+  0x7aa7907b, 0x7aa5c45a, 0x7aa3f7ed, 0x7aa22b35, 0x7aa05e31, 0x7a9e90e1,
+    0x7a9cc346, 0x7a9af55f,
+  0x7a99272d, 0x7a9758af, 0x7a9589e5, 0x7a93bad0, 0x7a91eb6f, 0x7a901bc2,
+    0x7a8e4bca, 0x7a8c7b87,
+  0x7a8aaaf7, 0x7a88da1c, 0x7a8708f6, 0x7a853784, 0x7a8365c6, 0x7a8193bd,
+    0x7a7fc168, 0x7a7deec8,
+  0x7a7c1bdc, 0x7a7a48a4, 0x7a787521, 0x7a76a153, 0x7a74cd38, 0x7a72f8d3,
+    0x7a712422, 0x7a6f4f25,
+  0x7a6d79dd, 0x7a6ba449, 0x7a69ce6a, 0x7a67f83f, 0x7a6621c9, 0x7a644b07,
+    0x7a6273fa, 0x7a609ca1,
+  0x7a5ec4fc, 0x7a5ced0d, 0x7a5b14d1, 0x7a593c4b, 0x7a576379, 0x7a558a5b,
+    0x7a53b0f2, 0x7a51d73d,
+  0x7a4ffd3d, 0x7a4e22f2, 0x7a4c485b, 0x7a4a6d78, 0x7a48924b, 0x7a46b6d1,
+    0x7a44db0d, 0x7a42fefd,
+  0x7a4122a1, 0x7a3f45fa, 0x7a3d6908, 0x7a3b8bca, 0x7a39ae41, 0x7a37d06d,
+    0x7a35f24d, 0x7a3413e2,
+  0x7a32352b, 0x7a305629, 0x7a2e76dc, 0x7a2c9743, 0x7a2ab75f, 0x7a28d72f,
+    0x7a26f6b4, 0x7a2515ee,
+  0x7a2334dd, 0x7a215380, 0x7a1f71d7, 0x7a1d8fe4, 0x7a1bada5, 0x7a19cb1b,
+    0x7a17e845, 0x7a160524,
+  0x7a1421b8, 0x7a123e01, 0x7a1059fe, 0x7a0e75b0, 0x7a0c9117, 0x7a0aac32,
+    0x7a08c702, 0x7a06e187,
+  0x7a04fbc1, 0x7a0315af, 0x7a012f52, 0x79ff48aa, 0x79fd61b6, 0x79fb7a77,
+    0x79f992ed, 0x79f7ab18,
+  0x79f5c2f8, 0x79f3da8c, 0x79f1f1d5, 0x79f008d3, 0x79ee1f86, 0x79ec35ed,
+    0x79ea4c09, 0x79e861da,
+  0x79e67760, 0x79e48c9b, 0x79e2a18a, 0x79e0b62e, 0x79deca87, 0x79dcde95,
+    0x79daf258, 0x79d905d0,
+  0x79d718fc, 0x79d52bdd, 0x79d33e73, 0x79d150be, 0x79cf62be, 0x79cd7473,
+    0x79cb85dc, 0x79c996fb,
+  0x79c7a7ce, 0x79c5b856, 0x79c3c893, 0x79c1d885, 0x79bfe82c, 0x79bdf788,
+    0x79bc0698, 0x79ba155e,
+  0x79b823d8, 0x79b63207, 0x79b43fec, 0x79b24d85, 0x79b05ad3, 0x79ae67d6,
+    0x79ac748e, 0x79aa80fb,
+  0x79a88d1d, 0x79a698f4, 0x79a4a480, 0x79a2afc1, 0x79a0bab6, 0x799ec561,
+    0x799ccfc1, 0x799ad9d5,
+  0x7998e39f, 0x7996ed1e, 0x7994f651, 0x7992ff3a, 0x799107d8, 0x798f102a,
+    0x798d1832, 0x798b1fef,
+  0x79892761, 0x79872e87, 0x79853563, 0x79833bf4, 0x7981423a, 0x797f4835,
+    0x797d4de5, 0x797b534a,
+  0x79795864, 0x79775d33, 0x797561b8, 0x797365f1, 0x797169df, 0x796f6d83,
+    0x796d70dc, 0x796b73e9,
+  0x796976ac, 0x79677924, 0x79657b51, 0x79637d33, 0x79617eca, 0x795f8017,
+    0x795d8118, 0x795b81cf,
+  0x7959823b, 0x7957825c, 0x79558232, 0x795381bd, 0x795180fe, 0x794f7ff3,
+    0x794d7e9e, 0x794b7cfe,
+  0x79497b13, 0x794778dd, 0x7945765d, 0x79437391, 0x7941707b, 0x793f6d1a,
+    0x793d696f, 0x793b6578,
+  0x79396137, 0x79375cab, 0x793557d4, 0x793352b2, 0x79314d46, 0x792f478f,
+    0x792d418d, 0x792b3b40,
+  0x792934a9, 0x79272dc7, 0x7925269a, 0x79231f22, 0x79211760, 0x791f0f53,
+    0x791d06fb, 0x791afe59,
+  0x7918f56c, 0x7916ec34, 0x7914e2b2, 0x7912d8e4, 0x7910cecc, 0x790ec46a,
+    0x790cb9bd, 0x790aaec5,
+  0x7908a382, 0x790697f5, 0x79048c1d, 0x79027ffa, 0x7900738d, 0x78fe66d5,
+    0x78fc59d3, 0x78fa4c86,
+  0x78f83eee, 0x78f6310c, 0x78f422df, 0x78f21467, 0x78f005a5, 0x78edf698,
+    0x78ebe741, 0x78e9d79f,
+  0x78e7c7b2, 0x78e5b77b, 0x78e3a6f9, 0x78e1962d, 0x78df8516, 0x78dd73b5,
+    0x78db6209, 0x78d95012,
+  0x78d73dd1, 0x78d52b46, 0x78d31870, 0x78d1054f, 0x78cef1e4, 0x78ccde2e,
+    0x78caca2e, 0x78c8b5e3,
+  0x78c6a14e, 0x78c48c6e, 0x78c27744, 0x78c061cf, 0x78be4c10, 0x78bc3606,
+    0x78ba1fb2, 0x78b80913,
+  0x78b5f22a, 0x78b3daf7, 0x78b1c379, 0x78afabb0, 0x78ad939d, 0x78ab7b40,
+    0x78a96298, 0x78a749a6,
+  0x78a53069, 0x78a316e2, 0x78a0fd11, 0x789ee2f5, 0x789cc88f, 0x789aadde,
+    0x789892e3, 0x7896779d,
+  0x78945c0d, 0x78924033, 0x7890240e, 0x788e07a0, 0x788beae6, 0x7889cde2,
+    0x7887b094, 0x788592fc,
+  0x78837519, 0x788156ec, 0x787f3875, 0x787d19b3, 0x787afaa7, 0x7878db50,
+    0x7876bbb0, 0x78749bc5,
+  0x78727b8f, 0x78705b10, 0x786e3a46, 0x786c1932, 0x7869f7d3, 0x7867d62a,
+    0x7865b437, 0x786391fa,
+  0x78616f72, 0x785f4ca1, 0x785d2984, 0x785b061e, 0x7858e26e, 0x7856be73,
+    0x78549a2e, 0x7852759e,
+  0x785050c5, 0x784e2ba1, 0x784c0633, 0x7849e07b, 0x7847ba79, 0x7845942c,
+    0x78436d96, 0x784146b5,
+  0x783f1f8a, 0x783cf815, 0x783ad055, 0x7838a84c, 0x78367ff8, 0x7834575a,
+    0x78322e72, 0x78300540,
+  0x782ddbc4, 0x782bb1fd, 0x782987ed, 0x78275d92, 0x782532ed, 0x782307fe,
+    0x7820dcc5, 0x781eb142,
+  0x781c8575, 0x781a595d, 0x78182cfc, 0x78160051, 0x7813d35b, 0x7811a61b,
+    0x780f7892, 0x780d4abe,
+  0x780b1ca0, 0x7808ee38, 0x7806bf86, 0x7804908a, 0x78026145, 0x780031b5,
+    0x77fe01db, 0x77fbd1b6,
+  0x77f9a148, 0x77f77090, 0x77f53f8e, 0x77f30e42, 0x77f0dcac, 0x77eeaacc,
+    0x77ec78a2, 0x77ea462e,
+  0x77e81370, 0x77e5e068, 0x77e3ad17, 0x77e1797b, 0x77df4595, 0x77dd1165,
+    0x77dadcec, 0x77d8a828,
+  0x77d6731a, 0x77d43dc3, 0x77d20822, 0x77cfd236, 0x77cd9c01, 0x77cb6582,
+    0x77c92eb9, 0x77c6f7a6,
+  0x77c4c04a, 0x77c288a3, 0x77c050b2, 0x77be1878, 0x77bbdff4, 0x77b9a726,
+    0x77b76e0e, 0x77b534ac,
+  0x77b2fb00, 0x77b0c10b, 0x77ae86cc, 0x77ac4c43, 0x77aa1170, 0x77a7d653,
+    0x77a59aec, 0x77a35f3c,
+  0x77a12342, 0x779ee6fe, 0x779caa70, 0x779a6d99, 0x77983077, 0x7795f30c,
+    0x7793b557, 0x77917759,
+  0x778f3910, 0x778cfa7e, 0x778abba2, 0x77887c7d, 0x77863d0d, 0x7783fd54,
+    0x7781bd52, 0x777f7d05,
+  0x777d3c6f, 0x777afb8f, 0x7778ba65, 0x777678f2, 0x77743735, 0x7771f52e,
+    0x776fb2de, 0x776d7044,
+  0x776b2d60, 0x7768ea33, 0x7766a6bc, 0x776462fb, 0x77621ef1, 0x775fda9d,
+    0x775d95ff, 0x775b5118,
+  0x77590be7, 0x7756c66c, 0x775480a8, 0x77523a9b, 0x774ff443, 0x774dada2,
+    0x774b66b8, 0x77491f84,
+  0x7746d806, 0x7744903f, 0x7742482e, 0x773fffd4, 0x773db730, 0x773b6e42,
+    0x7739250b, 0x7736db8b,
+  0x773491c0, 0x773247ad, 0x772ffd50, 0x772db2a9, 0x772b67b9, 0x77291c7f,
+    0x7726d0fc, 0x7724852f,
+  0x77223919, 0x771fecb9, 0x771da010, 0x771b531d, 0x771905e1, 0x7716b85b,
+    0x77146a8c, 0x77121c74,
+  0x770fce12, 0x770d7f66, 0x770b3072, 0x7708e133, 0x770691ab, 0x770441da,
+    0x7701f1c0, 0x76ffa15c,
+  0x76fd50ae, 0x76faffb8, 0x76f8ae78, 0x76f65cee, 0x76f40b1b, 0x76f1b8ff,
+    0x76ef6699, 0x76ed13ea,
+  0x76eac0f2, 0x76e86db0, 0x76e61a25, 0x76e3c650, 0x76e17233, 0x76df1dcb,
+    0x76dcc91b, 0x76da7421,
+  0x76d81ede, 0x76d5c952, 0x76d3737c, 0x76d11d5d, 0x76cec6f5, 0x76cc7043,
+    0x76ca1948, 0x76c7c204,
+  0x76c56a77, 0x76c312a0, 0x76c0ba80, 0x76be6217, 0x76bc0965, 0x76b9b069,
+    0x76b75724, 0x76b4fd96,
+  0x76b2a3bf, 0x76b0499e, 0x76adef34, 0x76ab9481, 0x76a93985, 0x76a6de40,
+    0x76a482b1, 0x76a226da,
+  0x769fcab9, 0x769d6e4f, 0x769b119b, 0x7698b49f, 0x76965759, 0x7693f9ca,
+    0x76919bf3, 0x768f3dd2,
+  0x768cdf67, 0x768a80b4, 0x768821b8, 0x7685c272, 0x768362e4, 0x7681030c,
+    0x767ea2eb, 0x767c4281,
+  0x7679e1ce, 0x767780d2, 0x76751f8d, 0x7672bdfe, 0x76705c27, 0x766dfa07,
+    0x766b979d, 0x766934eb,
+  0x7666d1ef, 0x76646eab, 0x76620b1d, 0x765fa747, 0x765d4327, 0x765adebe,
+    0x76587a0d, 0x76561512,
+  0x7653afce, 0x76514a42, 0x764ee46c, 0x764c7e4d, 0x764a17e6, 0x7647b135,
+    0x76454a3c, 0x7642e2f9,
+  0x76407b6e, 0x763e139a, 0x763bab7c, 0x76394316, 0x7636da67, 0x7634716f,
+    0x7632082e, 0x762f9ea4,
+  0x762d34d1, 0x762acab6, 0x76286051, 0x7625f5a3, 0x76238aad, 0x76211f6e,
+    0x761eb3e6, 0x761c4815,
+  0x7619dbfb, 0x76176f98, 0x761502ed, 0x761295f9, 0x761028bb, 0x760dbb35,
+    0x760b4d67, 0x7608df4f,
+  0x760670ee, 0x76040245, 0x76019353, 0x75ff2418, 0x75fcb495, 0x75fa44c8,
+    0x75f7d4b3, 0x75f56455,
+  0x75f2f3ae, 0x75f082bf, 0x75ee1187, 0x75eba006, 0x75e92e3c, 0x75e6bc2a,
+    0x75e449ce, 0x75e1d72b,
+  0x75df643e, 0x75dcf109, 0x75da7d8b, 0x75d809c4, 0x75d595b4, 0x75d3215c,
+    0x75d0acbc, 0x75ce37d2,
+  0x75cbc2a0, 0x75c94d25, 0x75c6d762, 0x75c46156, 0x75c1eb01, 0x75bf7464,
+    0x75bcfd7e, 0x75ba864f,
+  0x75b80ed8, 0x75b59718, 0x75b31f0f, 0x75b0a6be, 0x75ae2e25, 0x75abb542,
+    0x75a93c18, 0x75a6c2a4,
+  0x75a448e8, 0x75a1cee4, 0x759f5496, 0x759cda01, 0x759a5f22, 0x7597e3fc,
+    0x7595688c, 0x7592ecd4,
+  0x759070d4, 0x758df48b, 0x758b77fa, 0x7588fb20, 0x75867dfd, 0x75840093,
+    0x758182df, 0x757f04e3,
+  0x757c869f, 0x757a0812, 0x7577893d, 0x75750a1f, 0x75728ab9, 0x75700b0a,
+    0x756d8b13, 0x756b0ad3,
+  0x75688a4b, 0x7566097b, 0x75638862, 0x75610701, 0x755e8557, 0x755c0365,
+    0x7559812b, 0x7556fea8,
+  0x75547bdd, 0x7551f8c9, 0x754f756e, 0x754cf1c9, 0x754a6ddd, 0x7547e9a8,
+    0x7545652a, 0x7542e065,
+  0x75405b57, 0x753dd600, 0x753b5061, 0x7538ca7b, 0x7536444b, 0x7533bdd4,
+    0x75313714, 0x752eb00c,
+  0x752c28bb, 0x7529a122, 0x75271941, 0x75249118, 0x752208a7, 0x751f7fed,
+    0x751cf6eb, 0x751a6da0,
+  0x7517e40e, 0x75155a33, 0x7512d010, 0x751045a5, 0x750dbaf2, 0x750b2ff6,
+    0x7508a4b2, 0x75061926,
+  0x75038d52, 0x75010136, 0x74fe74d1, 0x74fbe825, 0x74f95b30, 0x74f6cdf3,
+    0x74f4406d, 0x74f1b2a0,
+  0x74ef248b, 0x74ec962d, 0x74ea0787, 0x74e7789a, 0x74e4e964, 0x74e259e6,
+    0x74dfca20, 0x74dd3a11,
+  0x74daa9bb, 0x74d8191d, 0x74d58836, 0x74d2f708, 0x74d06591, 0x74cdd3d2,
+    0x74cb41cc, 0x74c8af7d,
+  0x74c61ce6, 0x74c38a07, 0x74c0f6e0, 0x74be6372, 0x74bbcfbb, 0x74b93bbc,
+    0x74b6a775, 0x74b412e6,
+  0x74b17e0f, 0x74aee8f0, 0x74ac5389, 0x74a9bddb, 0x74a727e4, 0x74a491a5,
+    0x74a1fb1e, 0x749f6450,
+  0x749ccd39, 0x749a35db, 0x74979e34, 0x74950646, 0x74926e10, 0x748fd592,
+    0x748d3ccb, 0x748aa3be,
+  0x74880a68, 0x748570ca, 0x7482d6e4, 0x74803cb7, 0x747da242, 0x747b0784,
+    0x74786c7f, 0x7475d132,
+  0x7473359e, 0x747099c1, 0x746dfd9d, 0x746b6131, 0x7468c47c, 0x74662781,
+    0x74638a3d, 0x7460ecb2,
+  0x745e4ede, 0x745bb0c3, 0x74591261, 0x745673b6, 0x7453d4c4, 0x7451358a,
+    0x744e9608, 0x744bf63e,
+  0x7449562d, 0x7446b5d4, 0x74441533, 0x7441744b, 0x743ed31b, 0x743c31a3,
+    0x74398fe3, 0x7436eddc,
+  0x74344b8d, 0x7431a8f6, 0x742f0618, 0x742c62f2, 0x7429bf84, 0x74271bcf,
+    0x742477d2, 0x7421d38e,
+  0x741f2f01, 0x741c8a2d, 0x7419e512, 0x74173faf, 0x74149a04, 0x7411f412,
+    0x740f4dd8, 0x740ca756,
+  0x740a008d, 0x7407597d, 0x7404b224, 0x74020a85, 0x73ff629d, 0x73fcba6e,
+    0x73fa11f8, 0x73f7693a,
+  0x73f4c034, 0x73f216e7, 0x73ef6d53, 0x73ecc377, 0x73ea1953, 0x73e76ee8,
+    0x73e4c435, 0x73e2193b,
+  0x73df6df9, 0x73dcc270, 0x73da16a0, 0x73d76a88, 0x73d4be28, 0x73d21182,
+    0x73cf6493, 0x73ccb75d,
+  0x73ca09e0, 0x73c75c1c, 0x73c4ae10, 0x73c1ffbc, 0x73bf5121, 0x73bca23f,
+    0x73b9f315, 0x73b743a4,
+  0x73b493ec, 0x73b1e3ec, 0x73af33a5, 0x73ac8316, 0x73a9d240, 0x73a72123,
+    0x73a46fbf, 0x73a1be13,
+  0x739f0c20, 0x739c59e5, 0x7399a763, 0x7396f49a, 0x73944189, 0x73918e32,
+    0x738eda93, 0x738c26ac,
+  0x7389727f, 0x7386be0a, 0x7384094e, 0x7381544a, 0x737e9f00, 0x737be96e,
+    0x73793395, 0x73767d74,
+  0x7373c70d, 0x7371105e, 0x736e5968, 0x736ba22b, 0x7368eaa6, 0x736632db,
+    0x73637ac8, 0x7360c26e,
+  0x735e09cd, 0x735b50e4, 0x735897b5, 0x7355de3e, 0x73532481, 0x73506a7c,
+    0x734db030, 0x734af59d,
+  0x73483ac2, 0x73457fa1, 0x7342c438, 0x73400889, 0x733d4c92, 0x733a9054,
+    0x7337d3d0, 0x73351704,
+  0x733259f1, 0x732f9c97, 0x732cdef6, 0x732a210d, 0x732762de, 0x7324a468,
+    0x7321e5ab, 0x731f26a7,
+  0x731c675b, 0x7319a7c9, 0x7316e7f0, 0x731427cf, 0x73116768, 0x730ea6ba,
+    0x730be5c5, 0x73092489,
+  0x73066306, 0x7303a13b, 0x7300df2a, 0x72fe1cd2, 0x72fb5a34, 0x72f8974e,
+    0x72f5d421, 0x72f310ad,
+  0x72f04cf3, 0x72ed88f1, 0x72eac4a9, 0x72e8001a, 0x72e53b44, 0x72e27627,
+    0x72dfb0c3, 0x72dceb18,
+  0x72da2526, 0x72d75eee, 0x72d4986f, 0x72d1d1a9, 0x72cf0a9c, 0x72cc4348,
+    0x72c97bad, 0x72c6b3cc,
+  0x72c3eba4, 0x72c12335, 0x72be5a7f, 0x72bb9183, 0x72b8c83f, 0x72b5feb5,
+    0x72b334e4, 0x72b06acd,
+  0x72ada06f, 0x72aad5c9, 0x72a80ade, 0x72a53fab, 0x72a27432, 0x729fa872,
+    0x729cdc6b, 0x729a101e,
+  0x7297438a, 0x729476af, 0x7291a98e, 0x728edc26, 0x728c0e77, 0x72894082,
+    0x72867245, 0x7283a3c3,
+  0x7280d4f9, 0x727e05e9, 0x727b3693, 0x727866f6, 0x72759712, 0x7272c6e7,
+    0x726ff676, 0x726d25bf,
+  0x726a54c1, 0x7267837c, 0x7264b1f0, 0x7261e01e, 0x725f0e06, 0x725c3ba7,
+    0x72596901, 0x72569615,
+  0x7253c2e3, 0x7250ef6a, 0x724e1baa, 0x724b47a4, 0x72487357, 0x72459ec4,
+    0x7242c9ea, 0x723ff4ca,
+  0x723d1f63, 0x723a49b6, 0x723773c3, 0x72349d89, 0x7231c708, 0x722ef041,
+    0x722c1934, 0x722941e0,
+  0x72266a46, 0x72239266, 0x7220ba3f, 0x721de1d1, 0x721b091d, 0x72183023,
+    0x721556e3, 0x72127d5c,
+  0x720fa38e, 0x720cc97b, 0x7209ef21, 0x72071480, 0x7204399a, 0x72015e6d,
+    0x71fe82f9, 0x71fba740,
+  0x71f8cb40, 0x71f5eefa, 0x71f3126d, 0x71f0359a, 0x71ed5881, 0x71ea7b22,
+    0x71e79d7c, 0x71e4bf90,
+  0x71e1e15e, 0x71df02e5, 0x71dc2427, 0x71d94522, 0x71d665d6, 0x71d38645,
+    0x71d0a66d, 0x71cdc650,
+  0x71cae5ec, 0x71c80542, 0x71c52451, 0x71c2431b, 0x71bf619e, 0x71bc7fdb,
+    0x71b99dd2, 0x71b6bb83,
+  0x71b3d8ed, 0x71b0f612, 0x71ae12f0, 0x71ab2f89, 0x71a84bdb, 0x71a567e7,
+    0x71a283ad, 0x719f9f2c,
+  0x719cba66, 0x7199d55a, 0x7196f008, 0x71940a6f, 0x71912490, 0x718e3e6c,
+    0x718b5801, 0x71887151,
+  0x71858a5a, 0x7182a31d, 0x717fbb9a, 0x717cd3d2, 0x7179ebc3, 0x7177036e,
+    0x71741ad3, 0x717131f3,
+  0x716e48cc, 0x716b5f5f, 0x716875ad, 0x71658bb4, 0x7162a175, 0x715fb6f1,
+    0x715ccc26, 0x7159e116,
+  0x7156f5c0, 0x71540a24, 0x71511e42, 0x714e321a, 0x714b45ac, 0x714858f8,
+    0x71456bfe, 0x71427ebf,
+  0x713f9139, 0x713ca36e, 0x7139b55d, 0x7136c706, 0x7133d869, 0x7130e987,
+    0x712dfa5e, 0x712b0af0,
+  0x71281b3c, 0x71252b42, 0x71223b02, 0x711f4a7d, 0x711c59b2, 0x711968a1,
+    0x7116774a, 0x711385ad,
+  0x711093cb, 0x710da1a3, 0x710aaf35, 0x7107bc82, 0x7104c989, 0x7101d64a,
+    0x70fee2c5, 0x70fbeefb,
+  0x70f8faeb, 0x70f60695, 0x70f311fa, 0x70f01d19, 0x70ed27f2, 0x70ea3286,
+    0x70e73cd4, 0x70e446dc,
+  0x70e1509f, 0x70de5a1c, 0x70db6353, 0x70d86c45, 0x70d574f1, 0x70d27d58,
+    0x70cf8579, 0x70cc8d54,
+  0x70c994ea, 0x70c69c3a, 0x70c3a345, 0x70c0aa0a, 0x70bdb08a, 0x70bab6c4,
+    0x70b7bcb8, 0x70b4c267,
+  0x70b1c7d1, 0x70aeccf5, 0x70abd1d3, 0x70a8d66c, 0x70a5dac0, 0x70a2dece,
+    0x709fe296, 0x709ce619,
+  0x7099e957, 0x7096ec4f, 0x7093ef01, 0x7090f16e, 0x708df396, 0x708af579,
+    0x7087f715, 0x7084f86d,
+  0x7081f97f, 0x707efa4c, 0x707bfad3, 0x7078fb15, 0x7075fb11, 0x7072fac9,
+    0x706ffa3a, 0x706cf967,
+  0x7069f84e, 0x7066f6f0, 0x7063f54c, 0x7060f363, 0x705df135, 0x705aeec1,
+    0x7057ec08, 0x7054e90a,
+  0x7051e5c7, 0x704ee23e, 0x704bde70, 0x7048da5d, 0x7045d604, 0x7042d166,
+    0x703fcc83, 0x703cc75b,
+  0x7039c1ed, 0x7036bc3b, 0x7033b643, 0x7030b005, 0x702da983, 0x702aa2bb,
+    0x70279baf, 0x7024945d,
+  0x70218cc6, 0x701e84e9, 0x701b7cc8, 0x70187461, 0x70156bb5, 0x701262c4,
+    0x700f598e, 0x700c5013,
+  0x70094653, 0x70063c4e, 0x70033203, 0x70002774, 0x6ffd1c9f, 0x6ffa1185,
+    0x6ff70626, 0x6ff3fa82,
+  0x6ff0ee99, 0x6fede26b, 0x6fead5f8, 0x6fe7c940, 0x6fe4bc43, 0x6fe1af01,
+    0x6fdea17a, 0x6fdb93ae,
+  0x6fd8859d, 0x6fd57746, 0x6fd268ab, 0x6fcf59cb, 0x6fcc4aa6, 0x6fc93b3c,
+    0x6fc62b8d, 0x6fc31b99,
+  0x6fc00b60, 0x6fbcfae2, 0x6fb9ea20, 0x6fb6d918, 0x6fb3c7cb, 0x6fb0b63a,
+    0x6fada464, 0x6faa9248,
+  0x6fa77fe8, 0x6fa46d43, 0x6fa15a59, 0x6f9e472b, 0x6f9b33b7, 0x6f981fff,
+    0x6f950c01, 0x6f91f7bf,
+  0x6f8ee338, 0x6f8bce6c, 0x6f88b95c, 0x6f85a407, 0x6f828e6c, 0x6f7f788d,
+    0x6f7c626a, 0x6f794c01,
+  0x6f763554, 0x6f731e62, 0x6f70072b, 0x6f6cefb0, 0x6f69d7f0, 0x6f66bfeb,
+    0x6f63a7a1, 0x6f608f13,
+  0x6f5d7640, 0x6f5a5d28, 0x6f5743cb, 0x6f542a2a, 0x6f511044, 0x6f4df61a,
+    0x6f4adbab, 0x6f47c0f7,
+  0x6f44a5ff, 0x6f418ac2, 0x6f3e6f40, 0x6f3b537a, 0x6f38376f, 0x6f351b1f,
+    0x6f31fe8b, 0x6f2ee1b2,
+  0x6f2bc495, 0x6f28a733, 0x6f25898d, 0x6f226ba2, 0x6f1f4d72, 0x6f1c2efe,
+    0x6f191045, 0x6f15f148,
+  0x6f12d206, 0x6f0fb280, 0x6f0c92b6, 0x6f0972a6, 0x6f065253, 0x6f0331ba,
+    0x6f0010de, 0x6efcefbd,
+  0x6ef9ce57, 0x6ef6acad, 0x6ef38abe, 0x6ef0688b, 0x6eed4614, 0x6eea2358,
+    0x6ee70058, 0x6ee3dd13,
+  0x6ee0b98a, 0x6edd95bd, 0x6eda71ab, 0x6ed74d55, 0x6ed428ba, 0x6ed103db,
+    0x6ecddeb8, 0x6ecab950,
+  0x6ec793a4, 0x6ec46db4, 0x6ec1477f, 0x6ebe2106, 0x6ebafa49, 0x6eb7d347,
+    0x6eb4ac02, 0x6eb18477,
+  0x6eae5ca9, 0x6eab3496, 0x6ea80c3f, 0x6ea4e3a4, 0x6ea1bac4, 0x6e9e91a1,
+    0x6e9b6839, 0x6e983e8d,
+  0x6e95149c, 0x6e91ea67, 0x6e8ebfef, 0x6e8b9532, 0x6e886a30, 0x6e853eeb,
+    0x6e821361, 0x6e7ee794,
+  0x6e7bbb82, 0x6e788f2c, 0x6e756291, 0x6e7235b3, 0x6e6f0890, 0x6e6bdb2a,
+    0x6e68ad7f, 0x6e657f90,
+  0x6e62515d, 0x6e5f22e6, 0x6e5bf42b, 0x6e58c52c, 0x6e5595e9, 0x6e526662,
+    0x6e4f3696, 0x6e4c0687,
+  0x6e48d633, 0x6e45a59c, 0x6e4274c1, 0x6e3f43a1, 0x6e3c123e, 0x6e38e096,
+    0x6e35aeab, 0x6e327c7b,
+  0x6e2f4a08, 0x6e2c1750, 0x6e28e455, 0x6e25b115, 0x6e227d92, 0x6e1f49cb,
+    0x6e1c15c0, 0x6e18e171,
+  0x6e15acde, 0x6e127807, 0x6e0f42ec, 0x6e0c0d8e, 0x6e08d7eb, 0x6e05a205,
+    0x6e026bda, 0x6dff356c,
+  0x6dfbfeba, 0x6df8c7c4, 0x6df5908b, 0x6df2590d, 0x6def214c, 0x6debe947,
+    0x6de8b0fe, 0x6de57871,
+  0x6de23fa0, 0x6ddf068c, 0x6ddbcd34, 0x6dd89398, 0x6dd559b9, 0x6dd21f95,
+    0x6dcee52e, 0x6dcbaa83,
+  0x6dc86f95, 0x6dc53462, 0x6dc1f8ec, 0x6dbebd33, 0x6dbb8135, 0x6db844f4,
+    0x6db5086f, 0x6db1cba7,
+  0x6dae8e9b, 0x6dab514b, 0x6da813b8, 0x6da4d5e1, 0x6da197c6, 0x6d9e5968,
+    0x6d9b1ac6, 0x6d97dbe0,
+  0x6d949cb7, 0x6d915d4a, 0x6d8e1d9a, 0x6d8adda6, 0x6d879d6e, 0x6d845cf3,
+    0x6d811c35, 0x6d7ddb33,
+  0x6d7a99ed, 0x6d775864, 0x6d741697, 0x6d70d487, 0x6d6d9233, 0x6d6a4f9c,
+    0x6d670cc1, 0x6d63c9a3,
+  0x6d608641, 0x6d5d429c, 0x6d59feb3, 0x6d56ba87, 0x6d537617, 0x6d503164,
+    0x6d4cec6e, 0x6d49a734,
+  0x6d4661b7, 0x6d431bf6, 0x6d3fd5f2, 0x6d3c8fab, 0x6d394920, 0x6d360252,
+    0x6d32bb40, 0x6d2f73eb,
+  0x6d2c2c53, 0x6d28e477, 0x6d259c58, 0x6d2253f6, 0x6d1f0b50, 0x6d1bc267,
+    0x6d18793b, 0x6d152fcc,
+  0x6d11e619, 0x6d0e9c23, 0x6d0b51e9, 0x6d08076d, 0x6d04bcad, 0x6d0171aa,
+    0x6cfe2663, 0x6cfadada,
+  0x6cf78f0d, 0x6cf442fd, 0x6cf0f6aa, 0x6cedaa13, 0x6cea5d3a, 0x6ce7101d,
+    0x6ce3c2bd, 0x6ce0751a,
+  0x6cdd2733, 0x6cd9d90a, 0x6cd68a9d, 0x6cd33bed, 0x6ccfecfa, 0x6ccc9dc4,
+    0x6cc94e4b, 0x6cc5fe8f,
+  0x6cc2ae90, 0x6cbf5e4d, 0x6cbc0dc8, 0x6cb8bcff, 0x6cb56bf4, 0x6cb21aa5,
+    0x6caec913, 0x6cab773e,
+  0x6ca82527, 0x6ca4d2cc, 0x6ca1802e, 0x6c9e2d4d, 0x6c9ada29, 0x6c9786c2,
+    0x6c943318, 0x6c90df2c,
+  0x6c8d8afc, 0x6c8a3689, 0x6c86e1d3, 0x6c838cdb, 0x6c80379f, 0x6c7ce220,
+    0x6c798c5f, 0x6c76365b,
+  0x6c72e013, 0x6c6f8989, 0x6c6c32bc, 0x6c68dbac, 0x6c658459, 0x6c622cc4,
+    0x6c5ed4eb, 0x6c5b7cd0,
+  0x6c582472, 0x6c54cbd1, 0x6c5172ed, 0x6c4e19c6, 0x6c4ac05d, 0x6c4766b0,
+    0x6c440cc1, 0x6c40b28f,
+  0x6c3d581b, 0x6c39fd63, 0x6c36a269, 0x6c33472c, 0x6c2febad, 0x6c2c8fea,
+    0x6c2933e5, 0x6c25d79d,
+  0x6c227b13, 0x6c1f1e45, 0x6c1bc136, 0x6c1863e3, 0x6c15064e, 0x6c11a876,
+    0x6c0e4a5b, 0x6c0aebfe,
+  0x6c078d5e, 0x6c042e7b, 0x6c00cf56, 0x6bfd6fee, 0x6bfa1044, 0x6bf6b056,
+    0x6bf35027, 0x6befefb5,
+  0x6bec8f00, 0x6be92e08, 0x6be5ccce, 0x6be26b52, 0x6bdf0993, 0x6bdba791,
+    0x6bd8454d, 0x6bd4e2c6,
+  0x6bd17ffd, 0x6bce1cf1, 0x6bcab9a3, 0x6bc75613, 0x6bc3f23f, 0x6bc08e2a,
+    0x6bbd29d2, 0x6bb9c537,
+  0x6bb6605a, 0x6bb2fb3b, 0x6baf95d9, 0x6bac3034, 0x6ba8ca4e, 0x6ba56425,
+    0x6ba1fdb9, 0x6b9e970b,
+  0x6b9b301b, 0x6b97c8e8, 0x6b946173, 0x6b90f9bc, 0x6b8d91c2, 0x6b8a2986,
+    0x6b86c107, 0x6b835846,
+  0x6b7fef43, 0x6b7c85fe, 0x6b791c76, 0x6b75b2ac, 0x6b7248a0, 0x6b6ede51,
+    0x6b6b73c0, 0x6b6808ed,
+  0x6b649dd8, 0x6b613280, 0x6b5dc6e6, 0x6b5a5b0a, 0x6b56eeec, 0x6b53828b,
+    0x6b5015e9, 0x6b4ca904,
+  0x6b493bdd, 0x6b45ce73, 0x6b4260c8, 0x6b3ef2da, 0x6b3b84ab, 0x6b381639,
+    0x6b34a785, 0x6b31388e,
+  0x6b2dc956, 0x6b2a59dc, 0x6b26ea1f, 0x6b237a21, 0x6b2009e0, 0x6b1c995d,
+    0x6b192898, 0x6b15b791,
+  0x6b124648, 0x6b0ed4bd, 0x6b0b62f0, 0x6b07f0e1, 0x6b047e90, 0x6b010bfd,
+    0x6afd9928, 0x6afa2610,
+  0x6af6b2b7, 0x6af33f1c, 0x6aefcb3f, 0x6aec5720, 0x6ae8e2bf, 0x6ae56e1c,
+    0x6ae1f937, 0x6ade8410,
+  0x6adb0ea8, 0x6ad798fd, 0x6ad42311, 0x6ad0ace2, 0x6acd3672, 0x6ac9bfc0,
+    0x6ac648cb, 0x6ac2d195,
+  0x6abf5a1e, 0x6abbe264, 0x6ab86a68, 0x6ab4f22b, 0x6ab179ac, 0x6aae00eb,
+    0x6aaa87e8, 0x6aa70ea4,
+  0x6aa3951d, 0x6aa01b55, 0x6a9ca14b, 0x6a992700, 0x6a95ac72, 0x6a9231a3,
+    0x6a8eb692, 0x6a8b3b3f,
+  0x6a87bfab, 0x6a8443d5, 0x6a80c7bd, 0x6a7d4b64, 0x6a79cec8, 0x6a7651ec,
+    0x6a72d4cd, 0x6a6f576d,
+  0x6a6bd9cb, 0x6a685be8, 0x6a64ddc2, 0x6a615f5c, 0x6a5de0b3, 0x6a5a61c9,
+    0x6a56e29e, 0x6a536331,
+  0x6a4fe382, 0x6a4c6391, 0x6a48e360, 0x6a4562ec, 0x6a41e237, 0x6a3e6140,
+    0x6a3ae008, 0x6a375e8f,
+  0x6a33dcd4, 0x6a305ad7, 0x6a2cd899, 0x6a295619, 0x6a25d358, 0x6a225055,
+    0x6a1ecd11, 0x6a1b498c,
+  0x6a17c5c5, 0x6a1441bc, 0x6a10bd72, 0x6a0d38e7, 0x6a09b41a, 0x6a062f0c,
+    0x6a02a9bc, 0x69ff242b,
+  0x69fb9e59, 0x69f81845, 0x69f491f0, 0x69f10b5a, 0x69ed8482, 0x69e9fd69,
+    0x69e6760f, 0x69e2ee73,
+  0x69df6696, 0x69dbde77, 0x69d85618, 0x69d4cd77, 0x69d14494, 0x69cdbb71,
+    0x69ca320c, 0x69c6a866,
+  0x69c31e7f, 0x69bf9456, 0x69bc09ec, 0x69b87f41, 0x69b4f455, 0x69b16928,
+    0x69adddb9, 0x69aa5209,
+  0x69a6c618, 0x69a339e6, 0x699fad73, 0x699c20be, 0x699893c9, 0x69950692,
+    0x6991791a, 0x698deb61,
+  0x698a5d67, 0x6986cf2c, 0x698340af, 0x697fb1f2, 0x697c22f3, 0x697893b4,
+    0x69750433, 0x69717472,
+  0x696de46f, 0x696a542b, 0x6966c3a6, 0x696332e1, 0x695fa1da, 0x695c1092,
+    0x69587f09, 0x6954ed40,
+  0x69515b35, 0x694dc8e9, 0x694a365c, 0x6946a38f, 0x69431080, 0x693f7d31,
+    0x693be9a0, 0x693855cf,
+  0x6934c1bd, 0x69312d6a, 0x692d98d6, 0x692a0401, 0x69266eeb, 0x6922d995,
+    0x691f43fd, 0x691bae25,
+  0x6918180c, 0x691481b2, 0x6910eb17, 0x690d543b, 0x6909bd1f, 0x690625c2,
+    0x69028e24, 0x68fef645,
+  0x68fb5e25, 0x68f7c5c5, 0x68f42d24, 0x68f09442, 0x68ecfb20, 0x68e961bd,
+    0x68e5c819, 0x68e22e34,
+  0x68de940f, 0x68daf9a9, 0x68d75f02, 0x68d3c41b, 0x68d028f2, 0x68cc8d8a,
+    0x68c8f1e0, 0x68c555f6,
+  0x68c1b9cc, 0x68be1d61, 0x68ba80b5, 0x68b6e3c8, 0x68b3469b, 0x68afa92e,
+    0x68ac0b7f, 0x68a86d91,
+  0x68a4cf61, 0x68a130f1, 0x689d9241, 0x6899f350, 0x6896541f, 0x6892b4ad,
+    0x688f14fa, 0x688b7507,
+  0x6887d4d4, 0x68843460, 0x688093ab, 0x687cf2b6, 0x68795181, 0x6875b00b,
+    0x68720e55, 0x686e6c5e,
+  0x686aca27, 0x686727b0, 0x686384f8, 0x685fe200, 0x685c3ec7, 0x68589b4e,
+    0x6854f795, 0x6851539b,
+  0x684daf61, 0x684a0ae6, 0x6846662c, 0x6842c131, 0x683f1bf5, 0x683b7679,
+    0x6837d0bd, 0x68342ac1,
+  0x68308485, 0x682cde08, 0x6829374b, 0x6825904d, 0x6821e910, 0x681e4192,
+    0x681a99d4, 0x6816f1d6,
+  0x68134997, 0x680fa118, 0x680bf85a, 0x68084f5a, 0x6804a61b, 0x6800fc9c,
+    0x67fd52dc, 0x67f9a8dd,
+  0x67f5fe9d, 0x67f2541d, 0x67eea95d, 0x67eafe5d, 0x67e7531c, 0x67e3a79c,
+    0x67dffbdc, 0x67dc4fdb,
+  0x67d8a39a, 0x67d4f71a, 0x67d14a59, 0x67cd9d58, 0x67c9f017, 0x67c64297,
+    0x67c294d6, 0x67bee6d5,
+  0x67bb3894, 0x67b78a13, 0x67b3db53, 0x67b02c52, 0x67ac7d11, 0x67a8cd91,
+    0x67a51dd0, 0x67a16dcf,
+  0x679dbd8f, 0x679a0d0f, 0x67965c4e, 0x6792ab4e, 0x678efa0e, 0x678b488e,
+    0x678796ce, 0x6783e4cf,
+  0x6780328f, 0x677c8010, 0x6778cd50, 0x67751a51, 0x67716713, 0x676db394,
+    0x6769ffd5, 0x67664bd7,
+  0x67629799, 0x675ee31b, 0x675b2e5e, 0x67577960, 0x6753c423, 0x67500ea7,
+    0x674c58ea, 0x6748a2ee,
+  0x6744ecb2, 0x67413636, 0x673d7f7b, 0x6739c880, 0x67361145, 0x673259ca,
+    0x672ea210, 0x672aea17,
+  0x672731dd, 0x67237964, 0x671fc0ac, 0x671c07b4, 0x67184e7c, 0x67149504,
+    0x6710db4d, 0x670d2157,
+  0x67096721, 0x6705acab, 0x6701f1f6, 0x66fe3701, 0x66fa7bcd, 0x66f6c059,
+    0x66f304a6, 0x66ef48b3,
+  0x66eb8c80, 0x66e7d00f, 0x66e4135d, 0x66e0566c, 0x66dc993c, 0x66d8dbcd,
+    0x66d51e1d, 0x66d1602f,
+  0x66cda201, 0x66c9e393, 0x66c624e7, 0x66c265fa, 0x66bea6cf, 0x66bae764,
+    0x66b727ba, 0x66b367d0,
+  0x66afa7a7, 0x66abe73f, 0x66a82697, 0x66a465b0, 0x66a0a489, 0x669ce324,
+    0x6699217f, 0x66955f9b,
+  0x66919d77, 0x668ddb14, 0x668a1872, 0x66865591, 0x66829270, 0x667ecf11,
+    0x667b0b72, 0x66774793,
+  0x66738376, 0x666fbf19, 0x666bfa7d, 0x666835a2, 0x66647088, 0x6660ab2f,
+    0x665ce596, 0x66591fbf,
+  0x665559a8, 0x66519352, 0x664dccbd, 0x664a05e9, 0x66463ed6, 0x66427784,
+    0x663eaff2, 0x663ae822,
+  0x66372012, 0x663357c4, 0x662f8f36, 0x662bc66a, 0x6627fd5e, 0x66243413,
+    0x66206a8a, 0x661ca0c1,
+  0x6618d6b9, 0x66150c73, 0x661141ed, 0x660d7729, 0x6609ac25, 0x6605e0e3,
+    0x66021561, 0x65fe49a1,
+  0x65fa7da2, 0x65f6b164, 0x65f2e4e7, 0x65ef182b, 0x65eb4b30, 0x65e77df6,
+    0x65e3b07e, 0x65dfe2c6,
+  0x65dc14d0, 0x65d8469b, 0x65d47827, 0x65d0a975, 0x65ccda83, 0x65c90b53,
+    0x65c53be4, 0x65c16c36,
+  0x65bd9c49, 0x65b9cc1e, 0x65b5fbb4, 0x65b22b0b, 0x65ae5a23, 0x65aa88fd,
+    0x65a6b798, 0x65a2e5f4,
+  0x659f1412, 0x659b41f1, 0x65976f91, 0x65939cf3, 0x658fca15, 0x658bf6fa,
+    0x6588239f, 0x65845006,
+  0x65807c2f, 0x657ca818, 0x6578d3c4, 0x6574ff30, 0x65712a5e, 0x656d554d,
+    0x65697ffe, 0x6565aa71,
+  0x6561d4a4, 0x655dfe99, 0x655a2850, 0x655651c8, 0x65527b02, 0x654ea3fd,
+    0x654accba, 0x6546f538,
+  0x65431d77, 0x653f4579, 0x653b6d3b, 0x653794c0, 0x6533bc06, 0x652fe30d,
+    0x652c09d6, 0x65283061,
+  0x652456ad, 0x65207cbb, 0x651ca28a, 0x6518c81b, 0x6514ed6e, 0x65111283,
+    0x650d3759, 0x65095bf0,
+  0x6505804a, 0x6501a465, 0x64fdc841, 0x64f9ebe0, 0x64f60f40, 0x64f23262,
+    0x64ee5546, 0x64ea77eb,
+  0x64e69a52, 0x64e2bc7b, 0x64dede66, 0x64db0012, 0x64d72180, 0x64d342b0,
+    0x64cf63a2, 0x64cb8456,
+  0x64c7a4cb, 0x64c3c502, 0x64bfe4fc, 0x64bc04b6, 0x64b82433, 0x64b44372,
+    0x64b06273, 0x64ac8135,
+  0x64a89fba, 0x64a4be00, 0x64a0dc08, 0x649cf9d2, 0x6499175e, 0x649534ac,
+    0x649151bc, 0x648d6e8e,
+  0x64898b22, 0x6485a778, 0x6481c390, 0x647ddf6a, 0x6479fb06, 0x64761664,
+    0x64723184, 0x646e4c66,
+  0x646a670a, 0x64668170, 0x64629b98, 0x645eb582, 0x645acf2e, 0x6456e89d,
+    0x645301cd, 0x644f1ac0,
+  0x644b3375, 0x64474bec, 0x64436425, 0x643f7c20, 0x643b93dd, 0x6437ab5d,
+    0x6433c29f, 0x642fd9a3,
+  0x642bf069, 0x642806f1, 0x64241d3c, 0x64203348, 0x641c4917, 0x64185ea9,
+    0x641473fc, 0x64108912,
+  0x640c9dea, 0x6408b284, 0x6404c6e1, 0x6400db00, 0x63fceee1, 0x63f90285,
+    0x63f515eb, 0x63f12913,
+  0x63ed3bfd, 0x63e94eaa, 0x63e5611a, 0x63e1734b, 0x63dd853f, 0x63d996f6,
+    0x63d5a86f, 0x63d1b9aa,
+  0x63cdcaa8, 0x63c9db68, 0x63c5ebeb, 0x63c1fc30, 0x63be0c37, 0x63ba1c01,
+    0x63b62b8e, 0x63b23add,
+  0x63ae49ee, 0x63aa58c2, 0x63a66759, 0x63a275b2, 0x639e83cd, 0x639a91ac,
+    0x63969f4c, 0x6392acaf,
+  0x638eb9d5, 0x638ac6be, 0x6386d369, 0x6382dfd6, 0x637eec07, 0x637af7fa,
+    0x637703af, 0x63730f27,
+  0x636f1a62, 0x636b2560, 0x63673020, 0x63633aa3, 0x635f44e8, 0x635b4ef0,
+    0x635758bb, 0x63536249,
+  0x634f6b99, 0x634b74ad, 0x63477d82, 0x6343861b, 0x633f8e76, 0x633b9695,
+    0x63379e76, 0x6333a619,
+  0x632fad80, 0x632bb4a9, 0x6327bb96, 0x6323c245, 0x631fc8b7, 0x631bceeb,
+    0x6317d4e3, 0x6313da9e,
+  0x630fe01b, 0x630be55b, 0x6307ea5e, 0x6303ef25, 0x62fff3ae, 0x62fbf7fa,
+    0x62f7fc08, 0x62f3ffda,
+  0x62f0036f, 0x62ec06c7, 0x62e809e2, 0x62e40cbf, 0x62e00f60, 0x62dc11c4,
+    0x62d813eb, 0x62d415d4,
+  0x62d01781, 0x62cc18f1, 0x62c81a24, 0x62c41b1a, 0x62c01bd3, 0x62bc1c4f,
+    0x62b81c8f, 0x62b41c91,
+  0x62b01c57, 0x62ac1bdf, 0x62a81b2b, 0x62a41a3a, 0x62a0190c, 0x629c17a1,
+    0x629815fa, 0x62941415,
+  0x629011f4, 0x628c0f96, 0x62880cfb, 0x62840a23, 0x6280070f, 0x627c03be,
+    0x62780030, 0x6273fc65,
+  0x626ff85e, 0x626bf41a, 0x6267ef99, 0x6263eadc, 0x625fe5e1, 0x625be0ab,
+    0x6257db37, 0x6253d587,
+  0x624fcf9a, 0x624bc970, 0x6247c30a, 0x6243bc68, 0x623fb588, 0x623bae6c,
+    0x6237a714, 0x62339f7e,
+  0x622f97ad, 0x622b8f9e, 0x62278754, 0x62237ecc, 0x621f7608, 0x621b6d08,
+    0x621763cb, 0x62135a51,
+  0x620f509b, 0x620b46a9, 0x62073c7a, 0x6203320e, 0x61ff2766, 0x61fb1c82,
+    0x61f71161, 0x61f30604,
+  0x61eefa6b, 0x61eaee95, 0x61e6e282, 0x61e2d633, 0x61dec9a8, 0x61dabce0,
+    0x61d6afdd, 0x61d2a29c,
+  0x61ce9520, 0x61ca8767, 0x61c67971, 0x61c26b40, 0x61be5cd2, 0x61ba4e28,
+    0x61b63f41, 0x61b2301e,
+  0x61ae20bf, 0x61aa1124, 0x61a6014d, 0x61a1f139, 0x619de0e9, 0x6199d05d,
+    0x6195bf94, 0x6191ae90,
+  0x618d9d4f, 0x61898bd2, 0x61857a19, 0x61816824, 0x617d55f2, 0x61794385,
+    0x617530db, 0x61711df5,
+  0x616d0ad3, 0x6168f775, 0x6164e3db, 0x6160d005, 0x615cbbf3, 0x6158a7a4,
+    0x6154931a, 0x61507e54,
+  0x614c6951, 0x61485413, 0x61443e98, 0x614028e2, 0x613c12f0, 0x6137fcc1,
+    0x6133e657, 0x612fcfb0,
+  0x612bb8ce, 0x6127a1b0, 0x61238a56, 0x611f72c0, 0x611b5aee, 0x611742e0,
+    0x61132a96, 0x610f1210,
+  0x610af94f, 0x6106e051, 0x6102c718, 0x60feada3, 0x60fa93f2, 0x60f67a05,
+    0x60f25fdd, 0x60ee4579,
+  0x60ea2ad8, 0x60e60ffd, 0x60e1f4e5, 0x60ddd991, 0x60d9be02, 0x60d5a237,
+    0x60d18631, 0x60cd69ee,
+  0x60c94d70, 0x60c530b6, 0x60c113c1, 0x60bcf690, 0x60b8d923, 0x60b4bb7a,
+    0x60b09d96, 0x60ac7f76,
+  0x60a8611b, 0x60a44284, 0x60a023b1, 0x609c04a3, 0x6097e559, 0x6093c5d3,
+    0x608fa612, 0x608b8616,
+  0x608765dd, 0x6083456a, 0x607f24ba, 0x607b03d0, 0x6076e2a9, 0x6072c148,
+    0x606e9faa, 0x606a7dd2,
+  0x60665bbd, 0x6062396e, 0x605e16e2, 0x6059f41c, 0x6055d11a, 0x6051addc,
+    0x604d8a63, 0x604966af,
+  0x604542bf, 0x60411e94, 0x603cfa2e, 0x6038d58c, 0x6034b0af, 0x60308b97,
+    0x602c6643, 0x602840b4,
+  0x60241ae9, 0x601ff4e3, 0x601bcea2, 0x6017a826, 0x6013816e, 0x600f5a7b,
+    0x600b334d, 0x60070be4,
+  0x6002e43f, 0x5ffebc5f, 0x5ffa9444, 0x5ff66bee, 0x5ff2435d, 0x5fee1a90,
+    0x5fe9f188, 0x5fe5c845,
+  0x5fe19ec7, 0x5fdd750e, 0x5fd94b19, 0x5fd520ea, 0x5fd0f67f, 0x5fcccbd9,
+    0x5fc8a0f8, 0x5fc475dc,
+  0x5fc04a85, 0x5fbc1ef3, 0x5fb7f326, 0x5fb3c71e, 0x5faf9adb, 0x5fab6e5d,
+    0x5fa741a3, 0x5fa314af,
+  0x5f9ee780, 0x5f9aba16, 0x5f968c70, 0x5f925e90, 0x5f8e3075, 0x5f8a021f,
+    0x5f85d38e, 0x5f81a4c2,
+  0x5f7d75bb, 0x5f794679, 0x5f7516fd, 0x5f70e745, 0x5f6cb753, 0x5f688726,
+    0x5f6456be, 0x5f60261b,
+  0x5f5bf53d, 0x5f57c424, 0x5f5392d1, 0x5f4f6143, 0x5f4b2f7a, 0x5f46fd76,
+    0x5f42cb37, 0x5f3e98be,
+  0x5f3a660a, 0x5f36331b, 0x5f31fff1, 0x5f2dcc8d, 0x5f2998ee, 0x5f256515,
+    0x5f213100, 0x5f1cfcb1,
+  0x5f18c827, 0x5f149363, 0x5f105e64, 0x5f0c292a, 0x5f07f3b6, 0x5f03be07,
+    0x5eff881d, 0x5efb51f9,
+  0x5ef71b9b, 0x5ef2e501, 0x5eeeae2d, 0x5eea771f, 0x5ee63fd6, 0x5ee20853,
+    0x5eddd094, 0x5ed9989c,
+  0x5ed56069, 0x5ed127fb, 0x5eccef53, 0x5ec8b671, 0x5ec47d54, 0x5ec043fc,
+    0x5ebc0a6a, 0x5eb7d09e,
+  0x5eb39697, 0x5eaf5c56, 0x5eab21da, 0x5ea6e724, 0x5ea2ac34, 0x5e9e7109,
+    0x5e9a35a4, 0x5e95fa05,
+  0x5e91be2b, 0x5e8d8217, 0x5e8945c8, 0x5e85093f, 0x5e80cc7c, 0x5e7c8f7f,
+    0x5e785247, 0x5e7414d5,
+  0x5e6fd729, 0x5e6b9943, 0x5e675b22, 0x5e631cc7, 0x5e5ede32, 0x5e5a9f62,
+    0x5e566059, 0x5e522115,
+  0x5e4de197, 0x5e49a1df, 0x5e4561ed, 0x5e4121c0, 0x5e3ce15a, 0x5e38a0b9,
+    0x5e345fde, 0x5e301ec9,
+  0x5e2bdd7a, 0x5e279bf1, 0x5e235a2e, 0x5e1f1830, 0x5e1ad5f9, 0x5e169388,
+    0x5e1250dc, 0x5e0e0df7,
+  0x5e09cad7, 0x5e05877e, 0x5e0143ea, 0x5dfd001d, 0x5df8bc15, 0x5df477d4,
+    0x5df03359, 0x5debeea3,
+  0x5de7a9b4, 0x5de3648b, 0x5ddf1f28, 0x5ddad98b, 0x5dd693b4, 0x5dd24da3,
+    0x5dce0759, 0x5dc9c0d4,
+  0x5dc57a16, 0x5dc1331d, 0x5dbcebeb, 0x5db8a480, 0x5db45cda, 0x5db014fa,
+    0x5dabcce1, 0x5da7848e,
+  0x5da33c01, 0x5d9ef33b, 0x5d9aaa3a, 0x5d966100, 0x5d92178d, 0x5d8dcddf,
+    0x5d8983f8, 0x5d8539d7,
+  0x5d80ef7c, 0x5d7ca4e8, 0x5d785a1a, 0x5d740f12, 0x5d6fc3d1, 0x5d6b7856,
+    0x5d672ca2, 0x5d62e0b4,
+  0x5d5e948c, 0x5d5a482a, 0x5d55fb90, 0x5d51aebb, 0x5d4d61ad, 0x5d491465,
+    0x5d44c6e4, 0x5d40792a,
+  0x5d3c2b35, 0x5d37dd08, 0x5d338ea0, 0x5d2f4000, 0x5d2af125, 0x5d26a212,
+    0x5d2252c5, 0x5d1e033e,
+  0x5d19b37e, 0x5d156385, 0x5d111352, 0x5d0cc2e5, 0x5d087240, 0x5d042161,
+    0x5cffd048, 0x5cfb7ef7,
+  0x5cf72d6b, 0x5cf2dba7, 0x5cee89a9, 0x5cea3772, 0x5ce5e501, 0x5ce19258,
+    0x5cdd3f75, 0x5cd8ec58,
+  0x5cd49903, 0x5cd04574, 0x5ccbf1ab, 0x5cc79daa, 0x5cc3496f, 0x5cbef4fc,
+    0x5cbaa04f, 0x5cb64b68,
+  0x5cb1f649, 0x5cada0f0, 0x5ca94b5e, 0x5ca4f594, 0x5ca09f8f, 0x5c9c4952,
+    0x5c97f2dc, 0x5c939c2c,
+  0x5c8f4544, 0x5c8aee22, 0x5c8696c7, 0x5c823f34, 0x5c7de767, 0x5c798f61,
+    0x5c753722, 0x5c70deaa,
+  0x5c6c85f9, 0x5c682d0f, 0x5c63d3eb, 0x5c5f7a8f, 0x5c5b20fa, 0x5c56c72c,
+    0x5c526d25, 0x5c4e12e5,
+  0x5c49b86d, 0x5c455dbb, 0x5c4102d0, 0x5c3ca7ad, 0x5c384c50, 0x5c33f0bb,
+    0x5c2f94ec, 0x5c2b38e5,
+  0x5c26dca5, 0x5c22802c, 0x5c1e237b, 0x5c19c690, 0x5c15696d, 0x5c110c11,
+    0x5c0cae7c, 0x5c0850ae,
+  0x5c03f2a8, 0x5bff9469, 0x5bfb35f1, 0x5bf6d740, 0x5bf27857, 0x5bee1935,
+    0x5be9b9da, 0x5be55a46,
+  0x5be0fa7a, 0x5bdc9a75, 0x5bd83a37, 0x5bd3d9c1, 0x5bcf7912, 0x5bcb182b,
+    0x5bc6b70b, 0x5bc255b2,
+  0x5bbdf421, 0x5bb99257, 0x5bb53054, 0x5bb0ce19, 0x5bac6ba6, 0x5ba808f9,
+    0x5ba3a615, 0x5b9f42f7,
+  0x5b9adfa2, 0x5b967c13, 0x5b92184d, 0x5b8db44d, 0x5b895016, 0x5b84eba6,
+    0x5b8086fd, 0x5b7c221c,
+  0x5b77bd02, 0x5b7357b0, 0x5b6ef226, 0x5b6a8c63, 0x5b662668, 0x5b61c035,
+    0x5b5d59c9, 0x5b58f324,
+  0x5b548c48, 0x5b502533, 0x5b4bbde6, 0x5b475660, 0x5b42eea2, 0x5b3e86ac,
+    0x5b3a1e7e, 0x5b35b617,
+  0x5b314d78, 0x5b2ce4a1, 0x5b287b91, 0x5b241249, 0x5b1fa8c9, 0x5b1b3f11,
+    0x5b16d521, 0x5b126af8,
+  0x5b0e0098, 0x5b0995ff, 0x5b052b2e, 0x5b00c025, 0x5afc54e3, 0x5af7e96a,
+    0x5af37db8, 0x5aef11cf,
+  0x5aeaa5ad, 0x5ae63953, 0x5ae1ccc1, 0x5add5ff7, 0x5ad8f2f5, 0x5ad485bb,
+    0x5ad01849, 0x5acbaa9f,
+  0x5ac73cbd, 0x5ac2cea3, 0x5abe6050, 0x5ab9f1c6, 0x5ab58304, 0x5ab1140a,
+    0x5aaca4d8, 0x5aa8356f,
+  0x5aa3c5cd, 0x5a9f55f3, 0x5a9ae5e2, 0x5a967598, 0x5a920517, 0x5a8d945d,
+    0x5a89236c, 0x5a84b243,
+  0x5a8040e3, 0x5a7bcf4a, 0x5a775d7a, 0x5a72eb71, 0x5a6e7931, 0x5a6a06ba,
+    0x5a65940a, 0x5a612123,
+  0x5a5cae04, 0x5a583aad, 0x5a53c71e, 0x5a4f5358, 0x5a4adf5a, 0x5a466b24,
+    0x5a41f6b7, 0x5a3d8212,
+  0x5a390d35, 0x5a349821, 0x5a3022d5, 0x5a2bad51, 0x5a273796, 0x5a22c1a3,
+    0x5a1e4b79, 0x5a19d517,
+  0x5a155e7d, 0x5a10e7ac, 0x5a0c70a3, 0x5a07f963, 0x5a0381eb, 0x59ff0a3c,
+    0x59fa9255, 0x59f61a36,
+  0x59f1a1e0, 0x59ed2953, 0x59e8b08e, 0x59e43792, 0x59dfbe5e, 0x59db44f3,
+    0x59d6cb50, 0x59d25176,
+  0x59cdd765, 0x59c95d1c, 0x59c4e29c, 0x59c067e4, 0x59bbecf5, 0x59b771cf,
+    0x59b2f671, 0x59ae7add,
+  0x59a9ff10, 0x59a5830d, 0x59a106d2, 0x599c8a60, 0x59980db6, 0x599390d5,
+    0x598f13bd, 0x598a966e,
+  0x598618e8, 0x59819b2a, 0x597d1d35, 0x59789f09, 0x597420a6, 0x596fa20b,
+    0x596b233a, 0x5966a431,
+  0x596224f1, 0x595da57a, 0x595925cc, 0x5954a5e6, 0x595025ca, 0x594ba576,
+    0x594724ec, 0x5942a42a,
+  0x593e2331, 0x5939a202, 0x5935209b, 0x59309efd, 0x592c1d28, 0x59279b1c,
+    0x592318d9, 0x591e9660,
+  0x591a13af, 0x591590c7, 0x59110da8, 0x590c8a53, 0x590806c6, 0x59038302,
+    0x58feff08, 0x58fa7ad7,
+  0x58f5f66e, 0x58f171cf, 0x58ececf9, 0x58e867ed, 0x58e3e2a9, 0x58df5d2e,
+    0x58dad77d, 0x58d65195,
+  0x58d1cb76, 0x58cd4520, 0x58c8be94, 0x58c437d1, 0x58bfb0d7, 0x58bb29a6,
+    0x58b6a23e, 0x58b21aa0,
+  0x58ad92cb, 0x58a90ac0, 0x58a4827d, 0x589ffa04, 0x589b7155, 0x5896e86f,
+    0x58925f52, 0x588dd5fe,
+  0x58894c74, 0x5884c2b3, 0x588038bb, 0x587bae8d, 0x58772429, 0x5872998e,
+    0x586e0ebc, 0x586983b4,
+  0x5864f875, 0x58606d00, 0x585be154, 0x58575571, 0x5852c958, 0x584e3d09,
+    0x5849b083, 0x584523c7,
+  0x584096d4, 0x583c09ab, 0x58377c4c, 0x5832eeb6, 0x582e60e9, 0x5829d2e6,
+    0x582544ad, 0x5820b63e,
+  0x581c2798, 0x581798bb, 0x581309a9, 0x580e7a60, 0x5809eae1, 0x58055b2b,
+    0x5800cb3f, 0x57fc3b1d,
+  0x57f7aac5, 0x57f31a36, 0x57ee8971, 0x57e9f876, 0x57e56744, 0x57e0d5dd,
+    0x57dc443f, 0x57d7b26b,
+  0x57d32061, 0x57ce8e20, 0x57c9fbaa, 0x57c568fd, 0x57c0d61a, 0x57bc4301,
+    0x57b7afb2, 0x57b31c2d,
+  0x57ae8872, 0x57a9f480, 0x57a56059, 0x57a0cbfb, 0x579c3768, 0x5797a29e,
+    0x57930d9e, 0x578e7869,
+  0x5789e2fd, 0x57854d5b, 0x5780b784, 0x577c2176, 0x57778b32, 0x5772f4b9,
+    0x576e5e09, 0x5769c724,
+  0x57653009, 0x576098b7, 0x575c0130, 0x57576973, 0x5752d180, 0x574e3957,
+    0x5749a0f9, 0x57450864,
+  0x57406f9a, 0x573bd69a, 0x57373d64, 0x5732a3f8, 0x572e0a56, 0x5729707f,
+    0x5724d672, 0x57203c2f,
+  0x571ba1b7, 0x57170708, 0x57126c24, 0x570dd10a, 0x570935bb, 0x57049a36,
+    0x56fffe7b, 0x56fb628b,
+  0x56f6c664, 0x56f22a09, 0x56ed8d77, 0x56e8f0b0, 0x56e453b4, 0x56dfb681,
+    0x56db1919, 0x56d67b7c,
+  0x56d1dda9, 0x56cd3fa1, 0x56c8a162, 0x56c402ef, 0x56bf6446, 0x56bac567,
+    0x56b62653, 0x56b18709,
+  0x56ace78a, 0x56a847d6, 0x56a3a7ec, 0x569f07cc, 0x569a6777, 0x5695c6ed,
+    0x5691262d, 0x568c8538,
+  0x5687e40e, 0x568342ae, 0x567ea118, 0x5679ff4e, 0x56755d4e, 0x5670bb19,
+    0x566c18ae, 0x5667760e,
+  0x5662d339, 0x565e302e, 0x56598cee, 0x5654e979, 0x565045cf, 0x564ba1f0,
+    0x5646fddb, 0x56425991,
+  0x563db512, 0x5639105d, 0x56346b74, 0x562fc655, 0x562b2101, 0x56267b78,
+    0x5621d5ba, 0x561d2fc6,
+  0x5618899e, 0x5613e340, 0x560f3cae, 0x560a95e6, 0x5605eee9, 0x560147b7,
+    0x55fca050, 0x55f7f8b4,
+  0x55f350e3, 0x55eea8dd, 0x55ea00a2, 0x55e55832, 0x55e0af8d, 0x55dc06b3,
+    0x55d75da4, 0x55d2b460,
+  0x55ce0ae7, 0x55c96139, 0x55c4b757, 0x55c00d3f, 0x55bb62f3, 0x55b6b871,
+    0x55b20dbb, 0x55ad62d0,
+  0x55a8b7b0, 0x55a40c5b, 0x559f60d1, 0x559ab513, 0x55960920, 0x55915cf8,
+    0x558cb09b, 0x55880409,
+  0x55835743, 0x557eaa48, 0x5579fd18, 0x55754fb3, 0x5570a21a, 0x556bf44c,
+    0x55674649, 0x55629812,
+  0x555de9a6, 0x55593b05, 0x55548c30, 0x554fdd26, 0x554b2de7, 0x55467e74,
+    0x5541cecc, 0x553d1ef0,
+  0x55386edf, 0x5533be99, 0x552f0e1f, 0x552a5d70, 0x5525ac8d, 0x5520fb75,
+    0x551c4a29, 0x551798a8,
+  0x5512e6f3, 0x550e3509, 0x550982eb, 0x5504d099, 0x55001e12, 0x54fb6b56,
+    0x54f6b866, 0x54f20542,
+  0x54ed51e9, 0x54e89e5c, 0x54e3ea9a, 0x54df36a5, 0x54da827a, 0x54d5ce1c,
+    0x54d11989, 0x54cc64c2,
+  0x54c7afc6, 0x54c2fa96, 0x54be4532, 0x54b98f9a, 0x54b4d9cd, 0x54b023cc,
+    0x54ab6d97, 0x54a6b72e,
+  0x54a20090, 0x549d49bf, 0x549892b9, 0x5493db7f, 0x548f2410, 0x548a6c6e,
+    0x5485b497, 0x5480fc8c,
+  0x547c444d, 0x54778bda, 0x5472d333, 0x546e1a58, 0x54696149, 0x5464a805,
+    0x545fee8e, 0x545b34e3,
+  0x54567b03, 0x5451c0f0, 0x544d06a8, 0x54484c2d, 0x5443917d, 0x543ed699,
+    0x543a1b82, 0x54356037,
+  0x5430a4b7, 0x542be904, 0x54272d1d, 0x54227102, 0x541db4b3, 0x5418f830,
+    0x54143b79, 0x540f7e8e,
+  0x540ac170, 0x5406041d, 0x54014697, 0x53fc88dd, 0x53f7caef, 0x53f30cce,
+    0x53ee4e78, 0x53e98fef,
+  0x53e4d132, 0x53e01242, 0x53db531d, 0x53d693c5, 0x53d1d439, 0x53cd147a,
+    0x53c85486, 0x53c3945f,
+  0x53bed405, 0x53ba1377, 0x53b552b5, 0x53b091bf, 0x53abd096, 0x53a70f39,
+    0x53a24da9, 0x539d8be5,
+  0x5398c9ed, 0x539407c2, 0x538f4564, 0x538a82d1, 0x5385c00c, 0x5380fd12,
+    0x537c39e6, 0x53777685,
+  0x5372b2f2, 0x536def2a, 0x53692b30, 0x53646701, 0x535fa2a0, 0x535ade0b,
+    0x53561942, 0x53515447,
+  0x534c8f17, 0x5347c9b5, 0x5343041f, 0x533e3e55, 0x53397859, 0x5334b229,
+    0x532febc5, 0x532b252f,
+  0x53265e65, 0x53219767, 0x531cd037, 0x531808d3, 0x5313413c, 0x530e7972,
+    0x5309b174, 0x5304e943,
+  0x530020df, 0x52fb5848, 0x52f68f7e, 0x52f1c680, 0x52ecfd4f, 0x52e833ec,
+    0x52e36a55, 0x52dea08a,
+  0x52d9d68d, 0x52d50c5d, 0x52d041f9, 0x52cb7763, 0x52c6ac99, 0x52c1e19d,
+    0x52bd166d, 0x52b84b0a,
+  0x52b37f74, 0x52aeb3ac, 0x52a9e7b0, 0x52a51b81, 0x52a04f1f, 0x529b828a,
+    0x5296b5c3, 0x5291e8c8,
+  0x528d1b9b, 0x52884e3a, 0x528380a7, 0x527eb2e0, 0x5279e4e7, 0x527516bb,
+    0x5270485c, 0x526b79ca,
+  0x5266ab06, 0x5261dc0e, 0x525d0ce4, 0x52583d87, 0x52536df7, 0x524e9e34,
+    0x5249ce3f, 0x5244fe17,
+  0x52402dbc, 0x523b5d2e, 0x52368c6e, 0x5231bb7b, 0x522cea55, 0x522818fc,
+    0x52234771, 0x521e75b3,
+  0x5219a3c3, 0x5214d1a0, 0x520fff4a, 0x520b2cc2, 0x52065a07, 0x52018719,
+    0x51fcb3f9, 0x51f7e0a6,
+  0x51f30d21, 0x51ee3969, 0x51e9657e, 0x51e49162, 0x51dfbd12, 0x51dae890,
+    0x51d613dc, 0x51d13ef5,
+  0x51cc69db, 0x51c79490, 0x51c2bf11, 0x51bde960, 0x51b9137d, 0x51b43d68,
+    0x51af6720, 0x51aa90a5,
+  0x51a5b9f9, 0x51a0e31a, 0x519c0c08, 0x519734c4, 0x51925d4e, 0x518d85a6,
+    0x5188adcb, 0x5183d5be,
+  0x517efd7f, 0x517a250d, 0x51754c69, 0x51707393, 0x516b9a8b, 0x5166c150,
+    0x5161e7e4, 0x515d0e45,
+  0x51583473, 0x51535a70, 0x514e803b, 0x5149a5d3, 0x5144cb39, 0x513ff06d,
+    0x513b156f, 0x51363a3f,
+  0x51315edd, 0x512c8348, 0x5127a782, 0x5122cb8a, 0x511def5f, 0x51191302,
+    0x51143674, 0x510f59b3,
+  0x510a7cc1, 0x51059f9c, 0x5100c246, 0x50fbe4bd, 0x50f70703, 0x50f22916,
+    0x50ed4af8, 0x50e86ca8,
+  0x50e38e25, 0x50deaf71, 0x50d9d08b, 0x50d4f173, 0x50d0122a, 0x50cb32ae,
+    0x50c65301, 0x50c17322,
+  0x50bc9311, 0x50b7b2ce, 0x50b2d259, 0x50adf1b3, 0x50a910db, 0x50a42fd1,
+    0x509f4e95, 0x509a6d28,
+  0x50958b88, 0x5090a9b8, 0x508bc7b5, 0x5086e581, 0x5082031b, 0x507d2083,
+    0x50783dba, 0x50735abf,
+  0x506e7793, 0x50699435, 0x5064b0a5, 0x505fcce4, 0x505ae8f1, 0x505604cd,
+    0x50512077, 0x504c3bef,
+  0x50475736, 0x5042724c, 0x503d8d30, 0x5038a7e2, 0x5033c263, 0x502edcb2,
+    0x5029f6d1, 0x502510bd,
+  0x50202a78, 0x501b4402, 0x50165d5a, 0x50117681, 0x500c8f77, 0x5007a83b,
+    0x5002c0cd, 0x4ffdd92f,
+  0x4ff8f15f, 0x4ff4095e, 0x4fef212b, 0x4fea38c7, 0x4fe55032, 0x4fe0676c,
+    0x4fdb7e74, 0x4fd6954b,
+  0x4fd1abf0, 0x4fccc265, 0x4fc7d8a8, 0x4fc2eeba, 0x4fbe049b, 0x4fb91a4b,
+    0x4fb42fc9, 0x4faf4517,
+  0x4faa5a33, 0x4fa56f1e, 0x4fa083d8, 0x4f9b9861, 0x4f96acb8, 0x4f91c0df,
+    0x4f8cd4d4, 0x4f87e899,
+  0x4f82fc2c, 0x4f7e0f8f, 0x4f7922c0, 0x4f7435c0, 0x4f6f488f, 0x4f6a5b2e,
+    0x4f656d9b, 0x4f607fd7,
+  0x4f5b91e3, 0x4f56a3bd, 0x4f51b566, 0x4f4cc6df, 0x4f47d827, 0x4f42e93d,
+    0x4f3dfa23, 0x4f390ad8,
+  0x4f341b5c, 0x4f2f2baf, 0x4f2a3bd2, 0x4f254bc3, 0x4f205b84, 0x4f1b6b14,
+    0x4f167a73, 0x4f1189a1,
+  0x4f0c989f, 0x4f07a76b, 0x4f02b608, 0x4efdc473, 0x4ef8d2ad, 0x4ef3e0b7,
+    0x4eeeee90, 0x4ee9fc39,
+  0x4ee509b1, 0x4ee016f8, 0x4edb240e, 0x4ed630f4, 0x4ed13da9, 0x4ecc4a2e,
+    0x4ec75682, 0x4ec262a5,
+  0x4ebd6e98, 0x4eb87a5a, 0x4eb385ec, 0x4eae914d, 0x4ea99c7d, 0x4ea4a77d,
+    0x4e9fb24d, 0x4e9abcec,
+  0x4e95c75b, 0x4e90d199, 0x4e8bdba6, 0x4e86e583, 0x4e81ef30, 0x4e7cf8ac,
+    0x4e7801f8, 0x4e730b14,
+  0x4e6e13ff, 0x4e691cba, 0x4e642544, 0x4e5f2d9e, 0x4e5a35c7, 0x4e553dc1,
+    0x4e50458a, 0x4e4b4d22,
+  0x4e46548b, 0x4e415bc3, 0x4e3c62cb, 0x4e3769a2, 0x4e32704a, 0x4e2d76c1,
+    0x4e287d08, 0x4e23831e,
+  0x4e1e8905, 0x4e198ebb, 0x4e149441, 0x4e0f9997, 0x4e0a9ebd, 0x4e05a3b2,
+    0x4e00a878, 0x4dfbad0d,
+  0x4df6b173, 0x4df1b5a8, 0x4decb9ad, 0x4de7bd82, 0x4de2c127, 0x4dddc49c,
+    0x4dd8c7e1, 0x4dd3caf6,
+  0x4dcecdda, 0x4dc9d08f, 0x4dc4d314, 0x4dbfd569, 0x4dbad78e, 0x4db5d983,
+    0x4db0db48, 0x4dabdcdd,
+  0x4da6de43, 0x4da1df78, 0x4d9ce07d, 0x4d97e153, 0x4d92e1f9, 0x4d8de26f,
+    0x4d88e2b5, 0x4d83e2cb,
+  0x4d7ee2b1, 0x4d79e268, 0x4d74e1ef, 0x4d6fe146, 0x4d6ae06d, 0x4d65df64,
+    0x4d60de2c, 0x4d5bdcc4,
+  0x4d56db2d, 0x4d51d965, 0x4d4cd76e, 0x4d47d547, 0x4d42d2f1, 0x4d3dd06b,
+    0x4d38cdb5, 0x4d33cad0,
+  0x4d2ec7bb, 0x4d29c476, 0x4d24c102, 0x4d1fbd5e, 0x4d1ab98b, 0x4d15b588,
+    0x4d10b155, 0x4d0bacf3,
+  0x4d06a862, 0x4d01a3a0, 0x4cfc9eb0, 0x4cf79990, 0x4cf29440, 0x4ced8ec1,
+    0x4ce88913, 0x4ce38335,
+  0x4cde7d28, 0x4cd976eb, 0x4cd4707f, 0x4ccf69e3, 0x4cca6318, 0x4cc55c1e,
+    0x4cc054f4, 0x4cbb4d9b,
+  0x4cb64613, 0x4cb13e5b, 0x4cac3674, 0x4ca72e5e, 0x4ca22619, 0x4c9d1da4,
+    0x4c981500, 0x4c930c2d,
+  0x4c8e032a, 0x4c88f9f8, 0x4c83f097, 0x4c7ee707, 0x4c79dd48, 0x4c74d359,
+    0x4c6fc93b, 0x4c6abeef,
+  0x4c65b473, 0x4c60a9c8, 0x4c5b9eed, 0x4c5693e4, 0x4c5188ac, 0x4c4c7d44,
+    0x4c4771ae, 0x4c4265e8,
+  0x4c3d59f3, 0x4c384dd0, 0x4c33417d, 0x4c2e34fb, 0x4c29284b, 0x4c241b6b,
+    0x4c1f0e5c, 0x4c1a011f,
+  0x4c14f3b2, 0x4c0fe617, 0x4c0ad84c, 0x4c05ca53, 0x4c00bc2b, 0x4bfbadd4,
+    0x4bf69f4e, 0x4bf19099,
+  0x4bec81b5, 0x4be772a3, 0x4be26362, 0x4bdd53f2, 0x4bd84453, 0x4bd33485,
+    0x4bce2488, 0x4bc9145d,
+  0x4bc40403, 0x4bbef37b, 0x4bb9e2c3, 0x4bb4d1dd, 0x4bafc0c8, 0x4baaaf85,
+    0x4ba59e12, 0x4ba08c72,
+  0x4b9b7aa2, 0x4b9668a4, 0x4b915677, 0x4b8c441c, 0x4b873192, 0x4b821ed9,
+    0x4b7d0bf2, 0x4b77f8dc,
+  0x4b72e598, 0x4b6dd225, 0x4b68be84, 0x4b63aab4, 0x4b5e96b6, 0x4b598289,
+    0x4b546e2d, 0x4b4f59a4,
+  0x4b4a44eb, 0x4b453005, 0x4b401aef, 0x4b3b05ac, 0x4b35f03a, 0x4b30da9a,
+    0x4b2bc4cb, 0x4b26aece,
+  0x4b2198a2, 0x4b1c8248, 0x4b176bc0, 0x4b12550a, 0x4b0d3e25, 0x4b082712,
+    0x4b030fd1, 0x4afdf861,
+  0x4af8e0c3, 0x4af3c8f7, 0x4aeeb0fd, 0x4ae998d4, 0x4ae4807d, 0x4adf67f8,
+    0x4ada4f45, 0x4ad53664,
+  0x4ad01d54, 0x4acb0417, 0x4ac5eaab, 0x4ac0d111, 0x4abbb749, 0x4ab69d53,
+    0x4ab1832f, 0x4aac68dc,
+  0x4aa74e5c, 0x4aa233ae, 0x4a9d18d1, 0x4a97fdc7, 0x4a92e28e, 0x4a8dc728,
+    0x4a88ab93, 0x4a838fd1,
+  0x4a7e73e0, 0x4a7957c2, 0x4a743b76, 0x4a6f1efc, 0x4a6a0253, 0x4a64e57d,
+    0x4a5fc879, 0x4a5aab48,
+  0x4a558de8, 0x4a50705a, 0x4a4b529f, 0x4a4634b6, 0x4a41169f, 0x4a3bf85a,
+    0x4a36d9e7, 0x4a31bb47,
+  0x4a2c9c79, 0x4a277d7d, 0x4a225e53, 0x4a1d3efc, 0x4a181f77, 0x4a12ffc4,
+    0x4a0ddfe4, 0x4a08bfd5,
+  0x4a039f9a, 0x49fe7f30, 0x49f95e99, 0x49f43dd4, 0x49ef1ce2, 0x49e9fbc2,
+    0x49e4da74, 0x49dfb8f9,
+  0x49da9750, 0x49d5757a, 0x49d05376, 0x49cb3145, 0x49c60ee6, 0x49c0ec59,
+    0x49bbc9a0, 0x49b6a6b8,
+  0x49b183a3, 0x49ac6061, 0x49a73cf1, 0x49a21954, 0x499cf589, 0x4997d191,
+    0x4992ad6c, 0x498d8919,
+  0x49886499, 0x49833fec, 0x497e1b11, 0x4978f609, 0x4973d0d3, 0x496eab70,
+    0x496985e0, 0x49646023,
+  0x495f3a38, 0x495a1420, 0x4954eddb, 0x494fc768, 0x494aa0c9, 0x494579fc,
+    0x49405302, 0x493b2bdb,
+  0x49360486, 0x4930dd05, 0x492bb556, 0x49268d7a, 0x49216571, 0x491c3d3b,
+    0x491714d8, 0x4911ec47,
+  0x490cc38a, 0x49079aa0, 0x49027188, 0x48fd4844, 0x48f81ed2, 0x48f2f534,
+    0x48edcb68, 0x48e8a170,
+  0x48e3774a, 0x48de4cf8, 0x48d92278, 0x48d3f7cc, 0x48ceccf3, 0x48c9a1ed,
+    0x48c476b9, 0x48bf4b59,
+  0x48ba1fcd, 0x48b4f413, 0x48afc82c, 0x48aa9c19, 0x48a56fd9, 0x48a0436c,
+    0x489b16d2, 0x4895ea0b,
+  0x4890bd18, 0x488b8ff8, 0x488662ab, 0x48813531, 0x487c078b, 0x4876d9b8,
+    0x4871abb8, 0x486c7d8c,
+  0x48674f33, 0x486220ad, 0x485cf1fa, 0x4857c31b, 0x48529410, 0x484d64d7,
+    0x48483572, 0x484305e1,
+  0x483dd623, 0x4838a638, 0x48337621, 0x482e45dd, 0x4829156d, 0x4823e4d0,
+    0x481eb407, 0x48198311,
+  0x481451ef, 0x480f20a0, 0x4809ef25, 0x4804bd7e, 0x47ff8baa, 0x47fa59a9,
+    0x47f5277d, 0x47eff523,
+  0x47eac29e, 0x47e58fec, 0x47e05d0e, 0x47db2a03, 0x47d5f6cc, 0x47d0c369,
+    0x47cb8fd9, 0x47c65c1d,
+  0x47c12835, 0x47bbf421, 0x47b6bfe0, 0x47b18b74, 0x47ac56da, 0x47a72215,
+    0x47a1ed24, 0x479cb806,
+  0x479782bc, 0x47924d46, 0x478d17a4, 0x4787e1d6, 0x4782abdb, 0x477d75b5,
+    0x47783f62, 0x477308e3,
+  0x476dd239, 0x47689b62, 0x4763645f, 0x475e2d30, 0x4758f5d5, 0x4753be4e,
+    0x474e869b, 0x47494ebc,
+  0x474416b1, 0x473ede7a, 0x4739a617, 0x47346d89, 0x472f34ce, 0x4729fbe7,
+    0x4724c2d5, 0x471f8996,
+  0x471a502c, 0x47151696, 0x470fdcd4, 0x470aa2e6, 0x470568cd, 0x47002e87,
+    0x46faf416, 0x46f5b979,
+  0x46f07eb0, 0x46eb43bc, 0x46e6089b, 0x46e0cd4f, 0x46db91d8, 0x46d65634,
+    0x46d11a65, 0x46cbde6a,
+  0x46c6a244, 0x46c165f1, 0x46bc2974, 0x46b6ecca, 0x46b1aff5, 0x46ac72f4,
+    0x46a735c8, 0x46a1f870,
+  0x469cbaed, 0x46977d3e, 0x46923f63, 0x468d015d, 0x4687c32c, 0x468284cf,
+    0x467d4646, 0x46780792,
+  0x4672c8b3, 0x466d89a8, 0x46684a71, 0x46630b0f, 0x465dcb82, 0x46588bc9,
+    0x46534be5, 0x464e0bd6,
+  0x4648cb9b, 0x46438b35, 0x463e4aa3, 0x463909e7, 0x4633c8fe, 0x462e87eb,
+    0x462946ac, 0x46240542,
+  0x461ec3ad, 0x461981ec, 0x46144001, 0x460efde9, 0x4609bba7, 0x4604793a,
+    0x45ff36a1, 0x45f9f3dd,
+  0x45f4b0ee, 0x45ef6dd4, 0x45ea2a8f, 0x45e4e71f, 0x45dfa383, 0x45da5fbc,
+    0x45d51bcb, 0x45cfd7ae,
+  0x45ca9366, 0x45c54ef3, 0x45c00a55, 0x45bac58c, 0x45b58098, 0x45b03b79,
+    0x45aaf630, 0x45a5b0bb,
+  0x45a06b1b, 0x459b2550, 0x4595df5a, 0x45909939, 0x458b52ee, 0x45860c77,
+    0x4580c5d6, 0x457b7f0a,
+  0x45763813, 0x4570f0f1, 0x456ba9a4, 0x4566622c, 0x45611a8a, 0x455bd2bc,
+    0x45568ac4, 0x455142a2,
+  0x454bfa54, 0x4546b1dc, 0x45416939, 0x453c206b, 0x4536d773, 0x45318e4f,
+    0x452c4502, 0x4526fb89,
+  0x4521b1e6, 0x451c6818, 0x45171e20, 0x4511d3fd, 0x450c89af, 0x45073f37,
+    0x4501f494, 0x44fca9c6,
+  0x44f75ecf, 0x44f213ac, 0x44ecc85f, 0x44e77ce7, 0x44e23145, 0x44dce579,
+    0x44d79982, 0x44d24d60,
+  0x44cd0114, 0x44c7b49e, 0x44c267fd, 0x44bd1b32, 0x44b7ce3c, 0x44b2811c,
+    0x44ad33d2, 0x44a7e65d,
+  0x44a298be, 0x449d4af5, 0x4497fd01, 0x4492aee3, 0x448d609b, 0x44881228,
+    0x4482c38b, 0x447d74c4,
+  0x447825d2, 0x4472d6b7, 0x446d8771, 0x44683801, 0x4462e866, 0x445d98a2,
+    0x445848b3, 0x4452f89b,
+  0x444da858, 0x444857ea, 0x44430753, 0x443db692, 0x443865a7, 0x44331491,
+    0x442dc351, 0x442871e8,
+  0x44232054, 0x441dce96, 0x44187caf, 0x44132a9d, 0x440dd861, 0x440885fc,
+    0x4403336c, 0x43fde0b2,
+  0x43f88dcf, 0x43f33ac1, 0x43ede78a, 0x43e89429, 0x43e3409d, 0x43ddece8,
+    0x43d8990a, 0x43d34501,
+  0x43cdf0ce, 0x43c89c72, 0x43c347eb, 0x43bdf33b, 0x43b89e62, 0x43b3495e,
+    0x43adf431, 0x43a89ed9,
+  0x43a34959, 0x439df3ae, 0x43989dda, 0x439347dc, 0x438df1b4, 0x43889b63,
+    0x438344e8, 0x437dee43,
+  0x43789775, 0x4373407d, 0x436de95b, 0x43689210, 0x43633a9c, 0x435de2fd,
+    0x43588b36, 0x43533344,
+  0x434ddb29, 0x434882e5, 0x43432a77, 0x433dd1e0, 0x4338791f, 0x43332035,
+    0x432dc721, 0x43286de4,
+  0x4323147d, 0x431dbaed, 0x43186133, 0x43130751, 0x430dad44, 0x4308530f,
+    0x4302f8b0, 0x42fd9e28,
+  0x42f84376, 0x42f2e89b, 0x42ed8d97, 0x42e83269, 0x42e2d713, 0x42dd7b93,
+    0x42d81fe9, 0x42d2c417,
+  0x42cd681b, 0x42c80bf6, 0x42c2afa8, 0x42bd5331, 0x42b7f690, 0x42b299c7,
+    0x42ad3cd4, 0x42a7dfb8,
+  0x42a28273, 0x429d2505, 0x4297c76e, 0x429269ae, 0x428d0bc4, 0x4287adb2,
+    0x42824f76, 0x427cf112,
+  0x42779285, 0x427233ce, 0x426cd4ef, 0x426775e6, 0x426216b5, 0x425cb75a,
+    0x425757d7, 0x4251f82b,
+  0x424c9856, 0x42473858, 0x4241d831, 0x423c77e1, 0x42371769, 0x4231b6c7,
+    0x422c55fd, 0x4226f50a,
+  0x422193ee, 0x421c32a9, 0x4216d13c, 0x42116fa5, 0x420c0de6, 0x4206abfe,
+    0x420149ee, 0x41fbe7b5,
+  0x41f68553, 0x41f122c8, 0x41ebc015, 0x41e65d39, 0x41e0fa35, 0x41db9707,
+    0x41d633b1, 0x41d0d033,
+  0x41cb6c8c, 0x41c608bc, 0x41c0a4c4, 0x41bb40a3, 0x41b5dc5a, 0x41b077e8,
+    0x41ab134e, 0x41a5ae8b,
+  0x41a049a0, 0x419ae48c, 0x41957f4f, 0x419019eb, 0x418ab45d, 0x41854ea8,
+    0x417fe8ca, 0x417a82c3,
+  0x41751c94, 0x416fb63d, 0x416a4fbd, 0x4164e916, 0x415f8245, 0x415a1b4d,
+    0x4154b42c, 0x414f4ce2,
+  0x4149e571, 0x41447dd7, 0x413f1615, 0x4139ae2b, 0x41344618, 0x412edddd,
+    0x4129757b, 0x41240cef,
+  0x411ea43c, 0x41193b61, 0x4113d25d, 0x410e6931, 0x4108ffdd, 0x41039661,
+    0x40fe2cbd, 0x40f8c2f1,
+  0x40f358fc, 0x40edeee0, 0x40e8849b, 0x40e31a2f, 0x40ddaf9b, 0x40d844de,
+    0x40d2d9f9, 0x40cd6eed,
+  0x40c803b8, 0x40c2985c, 0x40bd2cd8, 0x40b7c12b, 0x40b25557, 0x40ace95b,
+    0x40a77d37, 0x40a210eb,
+  0x409ca477, 0x409737dc, 0x4091cb18, 0x408c5e2d, 0x4086f11a, 0x408183df,
+    0x407c167c, 0x4076a8f1,
+  0x40713b3f, 0x406bcd65, 0x40665f63, 0x4060f13a, 0x405b82e9, 0x40561470,
+    0x4050a5cf, 0x404b3707,
+  0x4045c817, 0x404058ff, 0x403ae9c0, 0x40357a59, 0x40300acb, 0x402a9b15,
+    0x40252b37, 0x401fbb32,
+  0x401a4b05, 0x4014dab1, 0x400f6a35, 0x4009f992, 0x400488c7, 0x3fff17d5,
+    0x3ff9a6bb, 0x3ff4357a,
+  0x3feec411, 0x3fe95281, 0x3fe3e0c9, 0x3fde6eeb, 0x3fd8fce4, 0x3fd38ab6,
+    0x3fce1861, 0x3fc8a5e5,
+  0x3fc33341, 0x3fbdc076, 0x3fb84d83, 0x3fb2da6a, 0x3fad6729, 0x3fa7f3c0,
+    0x3fa28031, 0x3f9d0c7a,
+  0x3f97989c, 0x3f922496, 0x3f8cb06a, 0x3f873c16, 0x3f81c79b, 0x3f7c52f9,
+    0x3f76de30, 0x3f71693f,
+  0x3f6bf428, 0x3f667ee9, 0x3f610983, 0x3f5b93f6, 0x3f561e42, 0x3f50a867,
+    0x3f4b3265, 0x3f45bc3c,
+  0x3f4045ec, 0x3f3acf75, 0x3f3558d7, 0x3f2fe211, 0x3f2a6b25, 0x3f24f412,
+    0x3f1f7cd8, 0x3f1a0577,
+  0x3f148def, 0x3f0f1640, 0x3f099e6b, 0x3f04266e, 0x3efeae4a, 0x3ef93600,
+    0x3ef3bd8f, 0x3eee44f7,
+  0x3ee8cc38, 0x3ee35352, 0x3eddda46, 0x3ed86113, 0x3ed2e7b9, 0x3ecd6e38,
+    0x3ec7f491, 0x3ec27ac2,
+  0x3ebd00cd, 0x3eb786b2, 0x3eb20c6f, 0x3eac9206, 0x3ea71777, 0x3ea19cc1,
+    0x3e9c21e4, 0x3e96a6e0,
+  0x3e912bb6, 0x3e8bb065, 0x3e8634ee, 0x3e80b950, 0x3e7b3d8c, 0x3e75c1a1,
+    0x3e70458f, 0x3e6ac957,
+  0x3e654cf8, 0x3e5fd073, 0x3e5a53c8, 0x3e54d6f6, 0x3e4f59fe, 0x3e49dcdf,
+    0x3e445f99, 0x3e3ee22e,
+  0x3e39649c, 0x3e33e6e3, 0x3e2e6904, 0x3e28eaff, 0x3e236cd4, 0x3e1dee82,
+    0x3e18700a, 0x3e12f16b,
+  0x3e0d72a6, 0x3e07f3bb, 0x3e0274aa, 0x3dfcf572, 0x3df77615, 0x3df1f691,
+    0x3dec76e6, 0x3de6f716,
+  0x3de1771f, 0x3ddbf703, 0x3dd676c0, 0x3dd0f656, 0x3dcb75c7, 0x3dc5f512,
+    0x3dc07436, 0x3dbaf335,
+  0x3db5720d, 0x3daff0c0, 0x3daa6f4c, 0x3da4edb2, 0x3d9f6bf2, 0x3d99ea0d,
+    0x3d946801, 0x3d8ee5cf,
+  0x3d896377, 0x3d83e0f9, 0x3d7e5e56, 0x3d78db8c, 0x3d73589d, 0x3d6dd587,
+    0x3d68524c, 0x3d62ceeb,
+  0x3d5d4b64, 0x3d57c7b7, 0x3d5243e4, 0x3d4cbfeb, 0x3d473bcd, 0x3d41b789,
+    0x3d3c331f, 0x3d36ae8f,
+  0x3d3129da, 0x3d2ba4fe, 0x3d261ffd, 0x3d209ad7, 0x3d1b158a, 0x3d159018,
+    0x3d100a80, 0x3d0a84c3,
+  0x3d04fee0, 0x3cff78d7, 0x3cf9f2a9, 0x3cf46c55, 0x3ceee5db, 0x3ce95f3c,
+    0x3ce3d877, 0x3cde518d,
+  0x3cd8ca7d, 0x3cd34347, 0x3ccdbbed, 0x3cc8346c, 0x3cc2acc6, 0x3cbd24fb,
+    0x3cb79d0a, 0x3cb214f4,
+  0x3cac8cb8, 0x3ca70457, 0x3ca17bd0, 0x3c9bf324, 0x3c966a53, 0x3c90e15c,
+    0x3c8b5840, 0x3c85cefe,
+  0x3c804598, 0x3c7abc0c, 0x3c75325a, 0x3c6fa883, 0x3c6a1e87, 0x3c649466,
+    0x3c5f0a20, 0x3c597fb4,
+  0x3c53f523, 0x3c4e6a6d, 0x3c48df91, 0x3c435491, 0x3c3dc96b, 0x3c383e20,
+    0x3c32b2b0, 0x3c2d271b,
+  0x3c279b61, 0x3c220f81, 0x3c1c837d, 0x3c16f753, 0x3c116b04, 0x3c0bde91,
+    0x3c0651f8, 0x3c00c53a,
+  0x3bfb3857, 0x3bf5ab50, 0x3bf01e23, 0x3bea90d1, 0x3be5035a, 0x3bdf75bf,
+    0x3bd9e7fe, 0x3bd45a19,
+  0x3bcecc0e, 0x3bc93ddf, 0x3bc3af8b, 0x3bbe2112, 0x3bb89274, 0x3bb303b1,
+    0x3bad74c9, 0x3ba7e5bd,
+  0x3ba2568c, 0x3b9cc736, 0x3b9737bb, 0x3b91a81c, 0x3b8c1857, 0x3b86886e,
+    0x3b80f861, 0x3b7b682e,
+  0x3b75d7d7, 0x3b70475c, 0x3b6ab6bb, 0x3b6525f6, 0x3b5f950c, 0x3b5a03fe,
+    0x3b5472cb, 0x3b4ee173,
+  0x3b494ff7, 0x3b43be57, 0x3b3e2c91, 0x3b389aa8, 0x3b330899, 0x3b2d7666,
+    0x3b27e40f, 0x3b225193,
+  0x3b1cbef3, 0x3b172c2e, 0x3b119945, 0x3b0c0637, 0x3b067305, 0x3b00dfaf,
+    0x3afb4c34, 0x3af5b894,
+  0x3af024d1, 0x3aea90e9, 0x3ae4fcdc, 0x3adf68ac, 0x3ad9d457, 0x3ad43fdd,
+    0x3aceab40, 0x3ac9167e,
+  0x3ac38198, 0x3abdec8d, 0x3ab8575f, 0x3ab2c20c, 0x3aad2c95, 0x3aa796fa,
+    0x3aa2013a, 0x3a9c6b57,
+  0x3a96d54f, 0x3a913f23, 0x3a8ba8d3, 0x3a86125f, 0x3a807bc7, 0x3a7ae50a,
+    0x3a754e2a, 0x3a6fb726,
+  0x3a6a1ffd, 0x3a6488b1, 0x3a5ef140, 0x3a5959ab, 0x3a53c1f3, 0x3a4e2a16,
+    0x3a489216, 0x3a42f9f2,
+  0x3a3d61a9, 0x3a37c93d, 0x3a3230ad, 0x3a2c97f9, 0x3a26ff21, 0x3a216625,
+    0x3a1bcd05, 0x3a1633c1,
+  0x3a109a5a, 0x3a0b00cf, 0x3a056720, 0x39ffcd4d, 0x39fa3356, 0x39f4993c,
+    0x39eefefe, 0x39e9649c,
+  0x39e3ca17, 0x39de2f6d, 0x39d894a0, 0x39d2f9b0, 0x39cd5e9b, 0x39c7c363,
+    0x39c22808, 0x39bc8c89,
+  0x39b6f0e6, 0x39b1551f, 0x39abb935, 0x39a61d28, 0x39a080f6, 0x399ae4a2,
+    0x39954829, 0x398fab8e,
+  0x398a0ece, 0x398471ec, 0x397ed4e5, 0x397937bc, 0x39739a6e, 0x396dfcfe,
+    0x39685f6a, 0x3962c1b2,
+  0x395d23d7, 0x395785d9, 0x3951e7b8, 0x394c4973, 0x3946ab0a, 0x39410c7f,
+    0x393b6dd0, 0x3935cefd,
+  0x39303008, 0x392a90ef, 0x3924f1b3, 0x391f5254, 0x3919b2d1, 0x3914132b,
+    0x390e7362, 0x3908d376,
+  0x39033367, 0x38fd9334, 0x38f7f2de, 0x38f25266, 0x38ecb1ca, 0x38e7110a,
+    0x38e17028, 0x38dbcf23,
+  0x38d62dfb, 0x38d08caf, 0x38caeb41, 0x38c549af, 0x38bfa7fb, 0x38ba0623,
+    0x38b46429, 0x38aec20b,
+  0x38a91fcb, 0x38a37d67, 0x389ddae1, 0x38983838, 0x3892956c, 0x388cf27d,
+    0x38874f6b, 0x3881ac36,
+  0x387c08de, 0x38766564, 0x3870c1c6, 0x386b1e06, 0x38657a23, 0x385fd61d,
+    0x385a31f5, 0x38548daa,
+  0x384ee93b, 0x384944ab, 0x38439ff7, 0x383dfb21, 0x38385628, 0x3832b10d,
+    0x382d0bce, 0x3827666d,
+  0x3821c0ea, 0x381c1b44, 0x3816757b, 0x3810cf90, 0x380b2982, 0x38058351,
+    0x37ffdcfe, 0x37fa3688,
+  0x37f48ff0, 0x37eee936, 0x37e94259, 0x37e39b59, 0x37ddf437, 0x37d84cf2,
+    0x37d2a58b, 0x37ccfe02,
+  0x37c75656, 0x37c1ae87, 0x37bc0697, 0x37b65e84, 0x37b0b64e, 0x37ab0df6,
+    0x37a5657c, 0x379fbce0,
+  0x379a1421, 0x37946b40, 0x378ec23d, 0x37891917, 0x37836fcf, 0x377dc665,
+    0x37781cd9, 0x3772732a,
+  0x376cc959, 0x37671f66, 0x37617551, 0x375bcb1a, 0x375620c1, 0x37507645,
+    0x374acba7, 0x374520e7,
+  0x373f7606, 0x3739cb02, 0x37341fdc, 0x372e7493, 0x3728c929, 0x37231d9d,
+    0x371d71ef, 0x3717c61f,
+  0x37121a2d, 0x370c6e19, 0x3706c1e2, 0x3701158a, 0x36fb6910, 0x36f5bc75,
+    0x36f00fb7, 0x36ea62d7,
+  0x36e4b5d6, 0x36df08b2, 0x36d95b6d, 0x36d3ae06, 0x36ce007d, 0x36c852d2,
+    0x36c2a506, 0x36bcf718,
+  0x36b74908, 0x36b19ad6, 0x36abec82, 0x36a63e0d, 0x36a08f76, 0x369ae0bd,
+    0x369531e3, 0x368f82e7,
+  0x3689d3c9, 0x3684248a, 0x367e7529, 0x3678c5a7, 0x36731602, 0x366d663d,
+    0x3667b655, 0x3662064c,
+  0x365c5622, 0x3656a5d6, 0x3650f569, 0x364b44da, 0x36459429, 0x363fe357,
+    0x363a3264, 0x3634814f,
+  0x362ed019, 0x36291ec1, 0x36236d48, 0x361dbbad, 0x361809f1, 0x36125814,
+    0x360ca615, 0x3606f3f5,
+  0x360141b4, 0x35fb8f52, 0x35f5dcce, 0x35f02a28, 0x35ea7762, 0x35e4c47a,
+    0x35df1171, 0x35d95e47,
+  0x35d3aafc, 0x35cdf78f, 0x35c84401, 0x35c29052, 0x35bcdc82, 0x35b72891,
+    0x35b1747e, 0x35abc04b,
+  0x35a60bf6, 0x35a05781, 0x359aa2ea, 0x3594ee32, 0x358f3959, 0x3589845f,
+    0x3583cf44, 0x357e1a08,
+  0x357864ab, 0x3572af2d, 0x356cf98e, 0x356743ce, 0x35618ded, 0x355bd7eb,
+    0x355621c9, 0x35506b85,
+  0x354ab520, 0x3544fe9b, 0x353f47f5, 0x3539912e, 0x3533da46, 0x352e233d,
+    0x35286c14, 0x3522b4c9,
+  0x351cfd5e, 0x351745d2, 0x35118e26, 0x350bd658, 0x35061e6a, 0x3500665c,
+    0x34faae2c, 0x34f4f5dc,
+  0x34ef3d6b, 0x34e984da, 0x34e3cc28, 0x34de1355, 0x34d85a62, 0x34d2a14e,
+    0x34cce819, 0x34c72ec4,
+  0x34c1754e, 0x34bbbbb8, 0x34b60202, 0x34b0482a, 0x34aa8e33, 0x34a4d41a,
+    0x349f19e2, 0x34995f88,
+  0x3493a50f, 0x348dea75, 0x34882fba, 0x348274e0, 0x347cb9e4, 0x3476fec9,
+    0x3471438d, 0x346b8830,
+  0x3465ccb4, 0x34601117, 0x345a5559, 0x3454997c, 0x344edd7e, 0x34492160,
+    0x34436521, 0x343da8c3,
+  0x3437ec44, 0x34322fa5, 0x342c72e6, 0x3426b606, 0x3420f907, 0x341b3be7,
+    0x34157ea7, 0x340fc147,
+  0x340a03c7, 0x34044626, 0x33fe8866, 0x33f8ca86, 0x33f30c85, 0x33ed4e65,
+    0x33e79024, 0x33e1d1c4,
+  0x33dc1343, 0x33d654a2, 0x33d095e2, 0x33cad701, 0x33c51801, 0x33bf58e1,
+    0x33b999a0, 0x33b3da40,
+  0x33ae1ac0, 0x33a85b20, 0x33a29b60, 0x339cdb81, 0x33971b81, 0x33915b62,
+    0x338b9b22, 0x3385dac4,
+  0x33801a45, 0x337a59a6, 0x337498e8, 0x336ed80a, 0x3369170c, 0x336355ef,
+    0x335d94b2, 0x3357d355,
+  0x335211d8, 0x334c503c, 0x33468e80, 0x3340cca5, 0x333b0aaa, 0x3335488f,
+    0x332f8655, 0x3329c3fb,
+  0x33240182, 0x331e3ee9, 0x33187c31, 0x3312b959, 0x330cf661, 0x3307334a,
+    0x33017014, 0x32fbacbe,
+  0x32f5e948, 0x32f025b4, 0x32ea61ff, 0x32e49e2c, 0x32deda39, 0x32d91626,
+    0x32d351f5, 0x32cd8da4,
+  0x32c7c933, 0x32c204a3, 0x32bc3ff4, 0x32b67b26, 0x32b0b638, 0x32aaf12b,
+    0x32a52bff, 0x329f66b4,
+  0x3299a149, 0x3293dbbf, 0x328e1616, 0x3288504e, 0x32828a67, 0x327cc460,
+    0x3276fe3a, 0x327137f6,
+  0x326b7192, 0x3265ab0f, 0x325fe46c, 0x325a1dab, 0x325456cb, 0x324e8fcc,
+    0x3248c8ad, 0x32430170,
+  0x323d3a14, 0x32377298, 0x3231aafe, 0x322be345, 0x32261b6c, 0x32205375,
+    0x321a8b5f, 0x3214c32a,
+  0x320efad6, 0x32093263, 0x320369d2, 0x31fda121, 0x31f7d852, 0x31f20f64,
+    0x31ec4657, 0x31e67d2b,
+  0x31e0b3e0, 0x31daea77, 0x31d520ef, 0x31cf5748, 0x31c98d83, 0x31c3c39e,
+    0x31bdf99b, 0x31b82f7a,
+  0x31b2653a, 0x31ac9adb, 0x31a6d05d, 0x31a105c1, 0x319b3b06, 0x3195702d,
+    0x318fa535, 0x3189da1e,
+  0x31840ee9, 0x317e4395, 0x31787823, 0x3172ac92, 0x316ce0e3, 0x31671515,
+    0x31614929, 0x315b7d1e,
+  0x3155b0f5, 0x314fe4ae, 0x314a1848, 0x31444bc3, 0x313e7f21, 0x3138b260,
+    0x3132e580, 0x312d1882,
+  0x31274b66, 0x31217e2c, 0x311bb0d3, 0x3115e35c, 0x311015c6, 0x310a4813,
+    0x31047a41, 0x30feac51,
+  0x30f8de42, 0x30f31016, 0x30ed41cb, 0x30e77362, 0x30e1a4db, 0x30dbd636,
+    0x30d60772, 0x30d03891,
+  0x30ca6991, 0x30c49a74, 0x30becb38, 0x30b8fbde, 0x30b32c66, 0x30ad5cd0,
+    0x30a78d1c, 0x30a1bd4a,
+  0x309bed5a, 0x30961d4c, 0x30904d20, 0x308a7cd6, 0x3084ac6e, 0x307edbe9,
+    0x30790b45, 0x30733a83,
+  0x306d69a4, 0x306798a7, 0x3061c78b, 0x305bf652, 0x305624fb, 0x30505387,
+    0x304a81f4, 0x3044b044,
+  0x303ede76, 0x30390c8a, 0x30333a80, 0x302d6859, 0x30279614, 0x3021c3b1,
+    0x301bf131, 0x30161e93,
+  0x30104bd7, 0x300a78fe, 0x3004a607, 0x2ffed2f2, 0x2ff8ffc0, 0x2ff32c70,
+    0x2fed5902, 0x2fe78577,
+  0x2fe1b1cf, 0x2fdbde09, 0x2fd60a25, 0x2fd03624, 0x2fca6206, 0x2fc48dc9,
+    0x2fbeb970, 0x2fb8e4f9,
+  0x2fb31064, 0x2fad3bb3, 0x2fa766e3, 0x2fa191f7, 0x2f9bbced, 0x2f95e7c5,
+    0x2f901280, 0x2f8a3d1e,
+  0x2f84679f, 0x2f7e9202, 0x2f78bc48, 0x2f72e671, 0x2f6d107c, 0x2f673a6a,
+    0x2f61643b, 0x2f5b8def,
+  0x2f55b785, 0x2f4fe0ff, 0x2f4a0a5b, 0x2f44339a, 0x2f3e5cbb, 0x2f3885c0,
+    0x2f32aea8, 0x2f2cd772,
+  0x2f27001f, 0x2f2128af, 0x2f1b5122, 0x2f157979, 0x2f0fa1b2, 0x2f09c9ce,
+    0x2f03f1cd, 0x2efe19ae,
+  0x2ef84173, 0x2ef2691b, 0x2eec90a7, 0x2ee6b815, 0x2ee0df66, 0x2edb069a,
+    0x2ed52db1, 0x2ecf54ac,
+  0x2ec97b89, 0x2ec3a24a, 0x2ebdc8ee, 0x2eb7ef75, 0x2eb215df, 0x2eac3c2d,
+    0x2ea6625d, 0x2ea08871,
+  0x2e9aae68, 0x2e94d443, 0x2e8efa00, 0x2e891fa1, 0x2e834525, 0x2e7d6a8d,
+    0x2e778fd8, 0x2e71b506,
+  0x2e6bda17, 0x2e65ff0c, 0x2e6023e5, 0x2e5a48a0, 0x2e546d3f, 0x2e4e91c2,
+    0x2e48b628, 0x2e42da71,
+  0x2e3cfe9e, 0x2e3722ae, 0x2e3146a2, 0x2e2b6a79, 0x2e258e34, 0x2e1fb1d3,
+    0x2e19d554, 0x2e13f8ba,
+  0x2e0e1c03, 0x2e083f30, 0x2e026240, 0x2dfc8534, 0x2df6a80b, 0x2df0cac6,
+    0x2deaed65, 0x2de50fe8,
+  0x2ddf324e, 0x2dd95498, 0x2dd376c5, 0x2dcd98d7, 0x2dc7bacc, 0x2dc1dca4,
+    0x2dbbfe61, 0x2db62001,
+  0x2db04186, 0x2daa62ee, 0x2da4843a, 0x2d9ea569, 0x2d98c67d, 0x2d92e774,
+    0x2d8d084f, 0x2d87290f,
+  0x2d8149b2, 0x2d7b6a39, 0x2d758aa4, 0x2d6faaf3, 0x2d69cb26, 0x2d63eb3d,
+    0x2d5e0b38, 0x2d582b17,
+  0x2d524ada, 0x2d4c6a81, 0x2d468a0c, 0x2d40a97b, 0x2d3ac8ce, 0x2d34e805,
+    0x2d2f0721, 0x2d292620,
+  0x2d234504, 0x2d1d63cc, 0x2d178278, 0x2d11a108, 0x2d0bbf7d, 0x2d05ddd5,
+    0x2cfffc12, 0x2cfa1a33,
+  0x2cf43839, 0x2cee5622, 0x2ce873f0, 0x2ce291a2, 0x2cdcaf39, 0x2cd6ccb4,
+    0x2cd0ea13, 0x2ccb0756,
+  0x2cc5247e, 0x2cbf418b, 0x2cb95e7b, 0x2cb37b51, 0x2cad980a, 0x2ca7b4a8,
+    0x2ca1d12a, 0x2c9bed91,
+  0x2c9609dd, 0x2c90260d, 0x2c8a4221, 0x2c845e1a, 0x2c7e79f7, 0x2c7895b9,
+    0x2c72b160, 0x2c6ccceb,
+  0x2c66e85b, 0x2c6103af, 0x2c5b1ee8, 0x2c553a06, 0x2c4f5508, 0x2c496fef,
+    0x2c438abb, 0x2c3da56b,
+  0x2c37c000, 0x2c31da7a, 0x2c2bf4d8, 0x2c260f1c, 0x2c202944, 0x2c1a4351,
+    0x2c145d42, 0x2c0e7719,
+  0x2c0890d4, 0x2c02aa74, 0x2bfcc3f9, 0x2bf6dd63, 0x2bf0f6b1, 0x2beb0fe5,
+    0x2be528fd, 0x2bdf41fb,
+  0x2bd95add, 0x2bd373a4, 0x2bcd8c51, 0x2bc7a4e2, 0x2bc1bd58, 0x2bbbd5b3,
+    0x2bb5edf4, 0x2bb00619,
+  0x2baa1e23, 0x2ba43613, 0x2b9e4de7, 0x2b9865a1, 0x2b927d3f, 0x2b8c94c3,
+    0x2b86ac2c, 0x2b80c37a,
+  0x2b7adaae, 0x2b74f1c6, 0x2b6f08c4, 0x2b691fa6, 0x2b63366f, 0x2b5d4d1c,
+    0x2b5763ae, 0x2b517a26,
+  0x2b4b9083, 0x2b45a6c6, 0x2b3fbced, 0x2b39d2fa, 0x2b33e8ed, 0x2b2dfec5,
+    0x2b281482, 0x2b222a24,
+  0x2b1c3fac, 0x2b165519, 0x2b106a6c, 0x2b0a7fa4, 0x2b0494c2, 0x2afea9c5,
+    0x2af8bead, 0x2af2d37b,
+  0x2aece82f, 0x2ae6fcc8, 0x2ae11146, 0x2adb25aa, 0x2ad539f4, 0x2acf4e23,
+    0x2ac96238, 0x2ac37633,
+  0x2abd8a13, 0x2ab79dd8, 0x2ab1b184, 0x2aabc515, 0x2aa5d88b, 0x2a9febe8,
+    0x2a99ff2a, 0x2a941252,
+  0x2a8e255f, 0x2a883853, 0x2a824b2c, 0x2a7c5deb, 0x2a76708f, 0x2a70831a,
+    0x2a6a958a, 0x2a64a7e0,
+  0x2a5eba1c, 0x2a58cc3e, 0x2a52de46, 0x2a4cf033, 0x2a470207, 0x2a4113c0,
+    0x2a3b2560, 0x2a3536e5,
+  0x2a2f4850, 0x2a2959a1, 0x2a236ad9, 0x2a1d7bf6, 0x2a178cf9, 0x2a119de2,
+    0x2a0baeb2, 0x2a05bf67,
+  0x29ffd003, 0x29f9e084, 0x29f3f0ec, 0x29ee013a, 0x29e8116e, 0x29e22188,
+    0x29dc3188, 0x29d6416f,
+  0x29d0513b, 0x29ca60ee, 0x29c47087, 0x29be8007, 0x29b88f6c, 0x29b29eb8,
+    0x29acadea, 0x29a6bd02,
+  0x29a0cc01, 0x299adae6, 0x2994e9b1, 0x298ef863, 0x298906fb, 0x2983157a,
+    0x297d23df, 0x2977322a,
+  0x2971405b, 0x296b4e74, 0x29655c72, 0x295f6a57, 0x29597823, 0x295385d5,
+    0x294d936d, 0x2947a0ec,
+  0x2941ae52, 0x293bbb9e, 0x2935c8d1, 0x292fd5ea, 0x2929e2ea, 0x2923efd0,
+    0x291dfc9d, 0x29180951,
+  0x291215eb, 0x290c226c, 0x29062ed4, 0x29003b23, 0x28fa4758, 0x28f45374,
+    0x28ee5f76, 0x28e86b5f,
+  0x28e27730, 0x28dc82e6, 0x28d68e84, 0x28d09a09, 0x28caa574, 0x28c4b0c6,
+    0x28bebbff, 0x28b8c71f,
+  0x28b2d226, 0x28acdd13, 0x28a6e7e8, 0x28a0f2a3, 0x289afd46, 0x289507cf,
+    0x288f123f, 0x28891c97,
+  0x288326d5, 0x287d30fa, 0x28773b07, 0x287144fa, 0x286b4ed5, 0x28655896,
+    0x285f623f, 0x28596bce,
+  0x28537545, 0x284d7ea3, 0x284787e8, 0x28419114, 0x283b9a28, 0x2835a322,
+    0x282fac04, 0x2829b4cd,
+  0x2823bd7d, 0x281dc615, 0x2817ce93, 0x2811d6f9, 0x280bdf46, 0x2805e77b,
+    0x27ffef97, 0x27f9f79a,
+  0x27f3ff85, 0x27ee0756, 0x27e80f10, 0x27e216b0, 0x27dc1e38, 0x27d625a8,
+    0x27d02cff, 0x27ca343d,
+  0x27c43b63, 0x27be4270, 0x27b84965, 0x27b25041, 0x27ac5705, 0x27a65db0,
+    0x27a06443, 0x279a6abd,
+  0x2794711f, 0x278e7768, 0x27887d99, 0x278283b2, 0x277c89b3, 0x27768f9b,
+    0x2770956a, 0x276a9b21,
+  0x2764a0c0, 0x275ea647, 0x2758abb6, 0x2752b10c, 0x274cb64a, 0x2746bb6f,
+    0x2740c07d, 0x273ac572,
+  0x2734ca4f, 0x272ecf14, 0x2728d3c0, 0x2722d855, 0x271cdcd1, 0x2716e136,
+    0x2710e582, 0x270ae9b6,
+  0x2704edd2, 0x26fef1d5, 0x26f8f5c1, 0x26f2f995, 0x26ecfd51, 0x26e700f5,
+    0x26e10480, 0x26db07f4,
+  0x26d50b50, 0x26cf0e94, 0x26c911c0, 0x26c314d4, 0x26bd17d0, 0x26b71ab4,
+    0x26b11d80, 0x26ab2034,
+  0x26a522d1, 0x269f2556, 0x269927c3, 0x26932a18, 0x268d2c55, 0x26872e7b,
+    0x26813088, 0x267b327e,
+  0x2675345d, 0x266f3623, 0x266937d2, 0x26633969, 0x265d3ae9, 0x26573c50,
+    0x26513da1, 0x264b3ed9,
+  0x26453ffa, 0x263f4103, 0x263941f5, 0x263342cf, 0x262d4392, 0x2627443d,
+    0x262144d0, 0x261b454c,
+  0x261545b0, 0x260f45fd, 0x26094633, 0x26034651, 0x25fd4657, 0x25f74646,
+    0x25f1461e, 0x25eb45de,
+  0x25e54587, 0x25df4519, 0x25d94493, 0x25d343f6, 0x25cd4341, 0x25c74276,
+    0x25c14192, 0x25bb4098,
+  0x25b53f86, 0x25af3e5d, 0x25a93d1d, 0x25a33bc6, 0x259d3a57, 0x259738d1,
+    0x25913734, 0x258b3580,
+  0x258533b5, 0x257f31d2, 0x25792fd8, 0x25732dc8, 0x256d2ba0, 0x25672961,
+    0x2561270b, 0x255b249e,
+  0x2555221a, 0x254f1f7e, 0x25491ccc, 0x25431a03, 0x253d1723, 0x2537142c,
+    0x2531111e, 0x252b0df9,
+  0x25250abd, 0x251f076a, 0x25190400, 0x25130080, 0x250cfce8, 0x2506f93a,
+    0x2500f574, 0x24faf198,
+  0x24f4eda6, 0x24eee99c, 0x24e8e57c, 0x24e2e144, 0x24dcdcf6, 0x24d6d892,
+    0x24d0d416, 0x24cacf84,
+  0x24c4cadb, 0x24bec61c, 0x24b8c146, 0x24b2bc59, 0x24acb756, 0x24a6b23b,
+    0x24a0ad0b, 0x249aa7c4,
+  0x2494a266, 0x248e9cf1, 0x24889766, 0x248291c5, 0x247c8c0d, 0x2476863e,
+    0x24708059, 0x246a7a5e,
+  0x2464744c, 0x245e6e23, 0x245867e4, 0x2452618f, 0x244c5b24, 0x244654a1,
+    0x24404e09, 0x243a475a,
+  0x24344095, 0x242e39ba, 0x242832c8, 0x24222bc0, 0x241c24a1, 0x24161d6d,
+    0x24101622, 0x240a0ec1,
+  0x24040749, 0x23fdffbc, 0x23f7f818, 0x23f1f05e, 0x23ebe88e, 0x23e5e0a7,
+    0x23dfd8ab, 0x23d9d098,
+  0x23d3c86f, 0x23cdc031, 0x23c7b7dc, 0x23c1af71, 0x23bba6f0, 0x23b59e59,
+    0x23af95ac, 0x23a98ce8,
+  0x23a3840f, 0x239d7b20, 0x2397721b, 0x23916900, 0x238b5fcf, 0x23855688,
+    0x237f4d2b, 0x237943b9,
+  0x23733a30, 0x236d3092, 0x236726dd, 0x23611d13, 0x235b1333, 0x2355093e,
+    0x234eff32, 0x2348f511,
+  0x2342eada, 0x233ce08d, 0x2336d62a, 0x2330cbb2, 0x232ac124, 0x2324b680,
+    0x231eabc7, 0x2318a0f8,
+  0x23129613, 0x230c8b19, 0x23068009, 0x230074e3, 0x22fa69a8, 0x22f45e57,
+    0x22ee52f1, 0x22e84775,
+  0x22e23be4, 0x22dc303d, 0x22d62480, 0x22d018ae, 0x22ca0cc7, 0x22c400ca,
+    0x22bdf4b8, 0x22b7e890,
+  0x22b1dc53, 0x22abd001, 0x22a5c399, 0x229fb71b, 0x2299aa89, 0x22939de1,
+    0x228d9123, 0x22878451,
+  0x22817769, 0x227b6a6c, 0x22755d59, 0x226f5032, 0x226942f5, 0x226335a2,
+    0x225d283b, 0x22571abe,
+  0x22510d2d, 0x224aff86, 0x2244f1c9, 0x223ee3f8, 0x2238d612, 0x2232c816,
+    0x222cba06, 0x2226abe0,
+  0x22209da5, 0x221a8f56, 0x221480f1, 0x220e7277, 0x220863e8, 0x22025544,
+    0x21fc468b, 0x21f637be,
+  0x21f028db, 0x21ea19e3, 0x21e40ad7, 0x21ddfbb5, 0x21d7ec7f, 0x21d1dd34,
+    0x21cbcdd3, 0x21c5be5e,
+  0x21bfaed5, 0x21b99f36, 0x21b38f83, 0x21ad7fba, 0x21a76fdd, 0x21a15fec,
+    0x219b4fe5, 0x21953fca,
+  0x218f2f9a, 0x21891f55, 0x21830efc, 0x217cfe8e, 0x2176ee0b, 0x2170dd74,
+    0x216accc8, 0x2164bc08,
+  0x215eab33, 0x21589a49, 0x2152894b, 0x214c7838, 0x21466710, 0x214055d4,
+    0x213a4484, 0x2134331f,
+  0x212e21a6, 0x21281018, 0x2121fe76, 0x211becbf, 0x2115daf4, 0x210fc914,
+    0x2109b720, 0x2103a518,
+  0x20fd92fb, 0x20f780ca, 0x20f16e84, 0x20eb5c2b, 0x20e549bd, 0x20df373a,
+    0x20d924a4, 0x20d311f9,
+  0x20ccff3a, 0x20c6ec66, 0x20c0d97f, 0x20bac683, 0x20b4b373, 0x20aea04f,
+    0x20a88d17, 0x20a279ca,
+  0x209c666a, 0x209652f5, 0x20903f6c, 0x208a2bcf, 0x2084181e, 0x207e0459,
+    0x2077f080, 0x2071dc93,
+  0x206bc892, 0x2065b47d, 0x205fa054, 0x20598c17, 0x205377c6, 0x204d6361,
+    0x20474ee8, 0x20413a5b,
+  0x203b25bb, 0x20351106, 0x202efc3e, 0x2028e761, 0x2022d271, 0x201cbd6d,
+    0x2016a856, 0x2010932a,
+  0x200a7deb, 0x20046898, 0x1ffe5331, 0x1ff83db6, 0x1ff22828, 0x1fec1286,
+    0x1fe5fcd0, 0x1fdfe707,
+  0x1fd9d12a, 0x1fd3bb39, 0x1fcda535, 0x1fc78f1d, 0x1fc178f1, 0x1fbb62b2,
+    0x1fb54c60, 0x1faf35f9,
+  0x1fa91f80, 0x1fa308f2, 0x1f9cf252, 0x1f96db9d, 0x1f90c4d5, 0x1f8aadfa,
+    0x1f84970b, 0x1f7e8009,
+  0x1f7868f4, 0x1f7251ca, 0x1f6c3a8e, 0x1f66233e, 0x1f600bdb, 0x1f59f465,
+    0x1f53dcdb, 0x1f4dc53d,
+  0x1f47ad8d, 0x1f4195c9, 0x1f3b7df2, 0x1f356608, 0x1f2f4e0a, 0x1f2935f9,
+    0x1f231dd5, 0x1f1d059e,
+  0x1f16ed54, 0x1f10d4f6, 0x1f0abc85, 0x1f04a401, 0x1efe8b6a, 0x1ef872c0,
+    0x1ef25a03, 0x1eec4132,
+  0x1ee6284f, 0x1ee00f58, 0x1ed9f64f, 0x1ed3dd32, 0x1ecdc402, 0x1ec7aac0,
+    0x1ec1916a, 0x1ebb7802,
+  0x1eb55e86, 0x1eaf44f8, 0x1ea92b56, 0x1ea311a2, 0x1e9cf7db, 0x1e96de01,
+    0x1e90c414, 0x1e8aaa14,
+  0x1e849001, 0x1e7e75dc, 0x1e785ba3, 0x1e724158, 0x1e6c26fa, 0x1e660c8a,
+    0x1e5ff206, 0x1e59d770,
+  0x1e53bcc7, 0x1e4da20c, 0x1e47873d, 0x1e416c5d, 0x1e3b5169, 0x1e353663,
+    0x1e2f1b4a, 0x1e29001e,
+  0x1e22e4e0, 0x1e1cc990, 0x1e16ae2c, 0x1e1092b6, 0x1e0a772e, 0x1e045b93,
+    0x1dfe3fe6, 0x1df82426,
+  0x1df20853, 0x1debec6f, 0x1de5d077, 0x1ddfb46e, 0x1dd99851, 0x1dd37c23,
+    0x1dcd5fe2, 0x1dc7438e,
+  0x1dc12729, 0x1dbb0ab0, 0x1db4ee26, 0x1daed189, 0x1da8b4da, 0x1da29819,
+    0x1d9c7b45, 0x1d965e5f,
+  0x1d904167, 0x1d8a245c, 0x1d840740, 0x1d7dea11, 0x1d77ccd0, 0x1d71af7d,
+    0x1d6b9217, 0x1d6574a0,
+  0x1d5f5716, 0x1d59397a, 0x1d531bcc, 0x1d4cfe0d, 0x1d46e03a, 0x1d40c256,
+    0x1d3aa460, 0x1d348658,
+  0x1d2e683e, 0x1d284a12, 0x1d222bd3, 0x1d1c0d83, 0x1d15ef21, 0x1d0fd0ad,
+    0x1d09b227, 0x1d03938f,
+  0x1cfd74e5, 0x1cf7562a, 0x1cf1375c, 0x1ceb187d, 0x1ce4f98c, 0x1cdeda89,
+    0x1cd8bb74, 0x1cd29c4d,
+  0x1ccc7d15, 0x1cc65dca, 0x1cc03e6e, 0x1cba1f01, 0x1cb3ff81, 0x1caddff0,
+    0x1ca7c04d, 0x1ca1a099,
+  0x1c9b80d3, 0x1c9560fb, 0x1c8f4112, 0x1c892117, 0x1c83010a, 0x1c7ce0ec,
+    0x1c76c0bc, 0x1c70a07b,
+  0x1c6a8028, 0x1c645fc3, 0x1c5e3f4d, 0x1c581ec6, 0x1c51fe2d, 0x1c4bdd83,
+    0x1c45bcc7, 0x1c3f9bf9,
+  0x1c397b1b, 0x1c335a2b, 0x1c2d3929, 0x1c271816, 0x1c20f6f2, 0x1c1ad5bc,
+    0x1c14b475, 0x1c0e931d,
+  0x1c0871b4, 0x1c025039, 0x1bfc2ead, 0x1bf60d0f, 0x1befeb60, 0x1be9c9a1,
+    0x1be3a7cf, 0x1bdd85ed,
+  0x1bd763fa, 0x1bd141f5, 0x1bcb1fdf, 0x1bc4fdb8, 0x1bbedb80, 0x1bb8b937,
+    0x1bb296dc, 0x1bac7471,
+  0x1ba651f5, 0x1ba02f67, 0x1b9a0cc8, 0x1b93ea19, 0x1b8dc758, 0x1b87a487,
+    0x1b8181a4, 0x1b7b5eb0,
+  0x1b753bac, 0x1b6f1897, 0x1b68f570, 0x1b62d239, 0x1b5caef1, 0x1b568b98,
+    0x1b50682e, 0x1b4a44b3,
+  0x1b442127, 0x1b3dfd8b, 0x1b37d9de, 0x1b31b620, 0x1b2b9251, 0x1b256e71,
+    0x1b1f4a81, 0x1b192680,
+  0x1b13026e, 0x1b0cde4c, 0x1b06ba19, 0x1b0095d5, 0x1afa7180, 0x1af44d1b,
+    0x1aee28a6, 0x1ae8041f,
+  0x1ae1df88, 0x1adbbae1, 0x1ad59629, 0x1acf7160, 0x1ac94c87, 0x1ac3279d,
+    0x1abd02a3, 0x1ab6dd98,
+  0x1ab0b87d, 0x1aaa9352, 0x1aa46e16, 0x1a9e48c9, 0x1a98236c, 0x1a91fdff,
+    0x1a8bd881, 0x1a85b2f3,
+  0x1a7f8d54, 0x1a7967a6, 0x1a7341e6, 0x1a6d1c17, 0x1a66f637, 0x1a60d047,
+    0x1a5aaa47, 0x1a548436,
+  0x1a4e5e15, 0x1a4837e4, 0x1a4211a3, 0x1a3beb52, 0x1a35c4f0, 0x1a2f9e7e,
+    0x1a2977fc, 0x1a23516a,
+  0x1a1d2ac8, 0x1a170416, 0x1a10dd53, 0x1a0ab681, 0x1a048f9e, 0x19fe68ac,
+    0x19f841a9, 0x19f21a96,
+  0x19ebf374, 0x19e5cc41, 0x19dfa4fe, 0x19d97dac, 0x19d35649, 0x19cd2ed7,
+    0x19c70754, 0x19c0dfc2,
+  0x19bab820, 0x19b4906e, 0x19ae68ac, 0x19a840da, 0x19a218f9, 0x199bf107,
+    0x1995c906, 0x198fa0f5,
+  0x198978d4, 0x198350a4, 0x197d2864, 0x19770014, 0x1970d7b4, 0x196aaf45,
+    0x196486c6, 0x195e5e37,
+  0x19583599, 0x19520ceb, 0x194be42d, 0x1945bb60, 0x193f9283, 0x19396997,
+    0x1933409b, 0x192d178f,
+  0x1926ee74, 0x1920c54a, 0x191a9c10, 0x191472c6, 0x190e496d, 0x19082005,
+    0x1901f68d, 0x18fbcd06,
+  0x18f5a36f, 0x18ef79c9, 0x18e95014, 0x18e3264f, 0x18dcfc7b, 0x18d6d297,
+    0x18d0a8a4, 0x18ca7ea2,
+  0x18c45491, 0x18be2a70, 0x18b80040, 0x18b1d601, 0x18ababb2, 0x18a58154,
+    0x189f56e8, 0x18992c6b,
+  0x189301e0, 0x188cd746, 0x1886ac9c, 0x188081e4, 0x187a571c, 0x18742c45,
+    0x186e015f, 0x1867d66a,
+  0x1861ab66, 0x185b8053, 0x18555530, 0x184f29ff, 0x1848febf, 0x1842d370,
+    0x183ca812, 0x18367ca5,
+  0x18305129, 0x182a259e, 0x1823fa04, 0x181dce5b, 0x1817a2a4, 0x181176dd,
+    0x180b4b08, 0x18051f24,
+  0x17fef331, 0x17f8c72f, 0x17f29b1e, 0x17ec6eff, 0x17e642d1, 0x17e01694,
+    0x17d9ea49, 0x17d3bdee,
+  0x17cd9186, 0x17c7650e, 0x17c13888, 0x17bb0bf3, 0x17b4df4f, 0x17aeb29d,
+    0x17a885dc, 0x17a2590d,
+  0x179c2c2f, 0x1795ff42, 0x178fd247, 0x1789a53d, 0x17837825, 0x177d4afe,
+    0x17771dc9, 0x1770f086,
+  0x176ac333, 0x176495d3, 0x175e6864, 0x17583ae7, 0x17520d5b, 0x174bdfc1,
+    0x1745b218, 0x173f8461,
+  0x1739569c, 0x173328c8, 0x172cfae6, 0x1726ccf6, 0x17209ef8, 0x171a70eb,
+    0x171442d0, 0x170e14a7,
+  0x1707e670, 0x1701b82a, 0x16fb89d6, 0x16f55b74, 0x16ef2d04, 0x16e8fe86,
+    0x16e2cff9, 0x16dca15f,
+  0x16d672b6, 0x16d043ff, 0x16ca153a, 0x16c3e667, 0x16bdb787, 0x16b78898,
+    0x16b1599b, 0x16ab2a90,
+  0x16a4fb77, 0x169ecc50, 0x16989d1b, 0x16926dd8, 0x168c3e87, 0x16860f29,
+    0x167fdfbc, 0x1679b042,
+  0x167380ba, 0x166d5123, 0x1667217f, 0x1660f1ce, 0x165ac20e, 0x16549241,
+    0x164e6266, 0x1648327d,
+  0x16420286, 0x163bd282, 0x1635a270, 0x162f7250, 0x16294222, 0x162311e7,
+    0x161ce19e, 0x1616b148,
+  0x161080e4, 0x160a5072, 0x16041ff3, 0x15fdef66, 0x15f7becc, 0x15f18e24,
+    0x15eb5d6e, 0x15e52cab,
+  0x15defbdb, 0x15d8cafd, 0x15d29a11, 0x15cc6918, 0x15c63812, 0x15c006fe,
+    0x15b9d5dd, 0x15b3a4ae,
+  0x15ad7372, 0x15a74228, 0x15a110d2, 0x159adf6e, 0x1594adfc, 0x158e7c7d,
+    0x15884af1, 0x15821958,
+  0x157be7b1, 0x1575b5fe, 0x156f843c, 0x1569526e, 0x15632093, 0x155ceeaa,
+    0x1556bcb4, 0x15508ab1,
+  0x154a58a1, 0x15442683, 0x153df459, 0x1537c221, 0x15318fdd, 0x152b5d8b,
+    0x15252b2c, 0x151ef8c0,
+  0x1518c648, 0x151293c2, 0x150c612f, 0x15062e8f, 0x14fffbe2, 0x14f9c928,
+    0x14f39662, 0x14ed638e,
+  0x14e730ae, 0x14e0fdc0, 0x14dacac6, 0x14d497bf, 0x14ce64ab, 0x14c8318a,
+    0x14c1fe5c, 0x14bbcb22,
+  0x14b597da, 0x14af6486, 0x14a93125, 0x14a2fdb8, 0x149cca3e, 0x149696b7,
+    0x14906323, 0x148a2f82,
+  0x1483fbd5, 0x147dc81c, 0x14779455, 0x14716082, 0x146b2ca3, 0x1464f8b7,
+    0x145ec4be, 0x145890b9,
+  0x14525ca7, 0x144c2888, 0x1445f45d, 0x143fc026, 0x14398be2, 0x14335792,
+    0x142d2335, 0x1426eecb,
+  0x1420ba56, 0x141a85d3, 0x14145145, 0x140e1caa, 0x1407e803, 0x1401b34f,
+    0x13fb7e8f, 0x13f549c3,
+  0x13ef14ea, 0x13e8e005, 0x13e2ab14, 0x13dc7616, 0x13d6410d, 0x13d00bf7,
+    0x13c9d6d4, 0x13c3a1a6,
+  0x13bd6c6b, 0x13b73725, 0x13b101d2, 0x13aacc73, 0x13a49707, 0x139e6190,
+    0x13982c0d, 0x1391f67d,
+  0x138bc0e1, 0x13858b3a, 0x137f5586, 0x13791fc6, 0x1372e9fb, 0x136cb423,
+    0x13667e3f, 0x13604850,
+  0x135a1254, 0x1353dc4c, 0x134da639, 0x1347701a, 0x134139ee, 0x133b03b7,
+    0x1334cd74, 0x132e9725,
+  0x132860ca, 0x13222a64, 0x131bf3f2, 0x1315bd73, 0x130f86ea, 0x13095054,
+    0x130319b3, 0x12fce305,
+  0x12f6ac4d, 0x12f07588, 0x12ea3eb8, 0x12e407dc, 0x12ddd0f4, 0x12d79a01,
+    0x12d16303, 0x12cb2bf8,
+  0x12c4f4e2, 0x12bebdc1, 0x12b88693, 0x12b24f5b, 0x12ac1817, 0x12a5e0c7,
+    0x129fa96c, 0x12997205,
+  0x12933a93, 0x128d0315, 0x1286cb8c, 0x128093f7, 0x127a5c57, 0x127424ac,
+    0x126decf5, 0x1267b533,
+  0x12617d66, 0x125b458d, 0x12550da9, 0x124ed5ba, 0x12489dbf, 0x124265b9,
+    0x123c2da8, 0x1235f58b,
+  0x122fbd63, 0x12298530, 0x12234cf2, 0x121d14a9, 0x1216dc54, 0x1210a3f5,
+    0x120a6b8a, 0x12043314,
+  0x11fdfa93, 0x11f7c207, 0x11f18970, 0x11eb50cd, 0x11e51820, 0x11dedf68,
+    0x11d8a6a4, 0x11d26dd6,
+  0x11cc34fc, 0x11c5fc18, 0x11bfc329, 0x11b98a2e, 0x11b35129, 0x11ad1819,
+    0x11a6defe, 0x11a0a5d8,
+  0x119a6ca7, 0x1194336b, 0x118dfa25, 0x1187c0d3, 0x11818777, 0x117b4e10,
+    0x1175149e, 0x116edb22,
+  0x1168a19b, 0x11626809, 0x115c2e6c, 0x1155f4c4, 0x114fbb12, 0x11498156,
+    0x1143478e, 0x113d0dbc,
+  0x1136d3df, 0x113099f8, 0x112a6006, 0x11242609, 0x111dec02, 0x1117b1f0,
+    0x111177d4, 0x110b3dad,
+  0x1105037c, 0x10fec940, 0x10f88efa, 0x10f254a9, 0x10ec1a4e, 0x10e5dfe8,
+    0x10dfa578, 0x10d96afe,
+  0x10d33079, 0x10ccf5ea, 0x10c6bb50, 0x10c080ac, 0x10ba45fe, 0x10b40b45,
+    0x10add082, 0x10a795b5,
+  0x10a15ade, 0x109b1ffc, 0x1094e510, 0x108eaa1a, 0x10886f19, 0x1082340f,
+    0x107bf8fa, 0x1075bddb,
+  0x106f82b2, 0x1069477f, 0x10630c41, 0x105cd0fa, 0x105695a8, 0x10505a4d,
+    0x104a1ee7, 0x1043e377,
+  0x103da7fd, 0x10376c79, 0x103130ec, 0x102af554, 0x1024b9b2, 0x101e7e06,
+    0x10184251, 0x10120691,
+  0x100bcac7, 0x10058ef4, 0xfff5317, 0xff91730, 0xff2db3e, 0xfec9f44,
+    0xfe6633f, 0xfe02730,
+  0xfd9eb18, 0xfd3aef6, 0xfcd72ca, 0xfc73695, 0xfc0fa55, 0xfbabe0c, 0xfb481ba,
+    0xfae455d,
+  0xfa808f7, 0xfa1cc87, 0xf9b900e, 0xf95538b, 0xf8f16fe, 0xf88da68, 0xf829dc8,
+    0xf7c611f,
+  0xf76246c, 0xf6fe7af, 0xf69aae9, 0xf636e1a, 0xf5d3141, 0xf56f45e, 0xf50b773,
+    0xf4a7a7d,
+  0xf443d7e, 0xf3e0076, 0xf37c365, 0xf318649, 0xf2b4925, 0xf250bf7, 0xf1ecec0,
+    0xf189180,
+  0xf125436, 0xf0c16e3, 0xf05d987, 0xeff9c21, 0xef95eb2, 0xef3213a, 0xeece3b9,
+    0xee6a62f,
+  0xee0689b, 0xeda2afe, 0xed3ed58, 0xecdafa9, 0xec771f1, 0xec1342f, 0xebaf665,
+    0xeb4b891,
+  0xeae7ab4, 0xea83ccf, 0xea1fee0, 0xe9bc0e8, 0xe9582e7, 0xe8f44dd, 0xe8906cb,
+    0xe82c8af,
+  0xe7c8a8a, 0xe764c5c, 0xe700e26, 0xe69cfe6, 0xe63919e, 0xe5d534d, 0xe5714f3,
+    0xe50d690,
+  0xe4a9824, 0xe4459af, 0xe3e1b32, 0xe37dcac, 0xe319e1d, 0xe2b5f85, 0xe2520e5,
+    0xe1ee23c,
+  0xe18a38a, 0xe1264cf, 0xe0c260c, 0xe05e740, 0xdffa86b, 0xdf9698e, 0xdf32aa8,
+    0xdecebba,
+  0xde6acc3, 0xde06dc3, 0xdda2ebb, 0xdd3efab, 0xdcdb091, 0xdc77170, 0xdc13245,
+    0xdbaf313,
+  0xdb4b3d7, 0xdae7494, 0xda83548, 0xda1f5f3, 0xd9bb696, 0xd957731, 0xd8f37c3,
+    0xd88f84d,
+  0xd82b8cf, 0xd7c7948, 0xd7639b9, 0xd6ffa22, 0xd69ba82, 0xd637ada, 0xd5d3b2a,
+    0xd56fb71,
+  0xd50bbb1, 0xd4a7be8, 0xd443c17, 0xd3dfc3e, 0xd37bc5c, 0xd317c73, 0xd2b3c81,
+    0xd24fc87,
+  0xd1ebc85, 0xd187c7b, 0xd123c69, 0xd0bfc4f, 0xd05bc2d, 0xcff7c02, 0xcf93bd0,
+    0xcf2fb96,
+  0xcecbb53, 0xce67b09, 0xce03ab7, 0xcd9fa5d, 0xcd3b9fb, 0xccd7991, 0xcc7391f,
+    0xcc0f8a5,
+  0xcbab824, 0xcb4779a, 0xcae3709, 0xca7f670, 0xca1b5cf, 0xc9b7526, 0xc953475,
+    0xc8ef3bd,
+  0xc88b2fd, 0xc827235, 0xc7c3166, 0xc75f08f, 0xc6fafb0, 0xc696ec9, 0xc632ddb,
+    0xc5cece5,
+  0xc56abe8, 0xc506ae3, 0xc4a29d6, 0xc43e8c2, 0xc3da7a6, 0xc376683, 0xc312558,
+    0xc2ae425,
+  0xc24a2eb, 0xc1e61aa, 0xc182061, 0xc11df11, 0xc0b9db9, 0xc055c5a, 0xbff1af3,
+    0xbf8d985,
+  0xbf29810, 0xbec5693, 0xbe6150f, 0xbdfd383, 0xbd991f0, 0xbd35056, 0xbcd0eb5,
+    0xbc6cd0c,
+  0xbc08b5c, 0xbba49a5, 0xbb407e7, 0xbadc621, 0xba78454, 0xba14280, 0xb9b00a5,
+    0xb94bec2,
+  0xb8e7cd9, 0xb883ae8, 0xb81f8f0, 0xb7bb6f2, 0xb7574ec, 0xb6f32df, 0xb68f0cb,
+    0xb62aeaf,
+  0xb5c6c8d, 0xb562a64, 0xb4fe834, 0xb49a5fd, 0xb4363bf, 0xb3d217a, 0xb36df2e,
+    0xb309cdb,
+  0xb2a5a81, 0xb241820, 0xb1dd5b9, 0xb17934b, 0xb1150d5, 0xb0b0e59, 0xb04cbd6,
+    0xafe894d,
+  0xaf846bc, 0xaf20425, 0xaebc187, 0xae57ee2, 0xadf3c37, 0xad8f985, 0xad2b6cc,
+    0xacc740c,
+  0xac63146, 0xabfee79, 0xab9aba6, 0xab368cc, 0xaad25eb, 0xaa6e304, 0xaa0a016,
+    0xa9a5d22,
+  0xa941a27, 0xa8dd725, 0xa87941d, 0xa81510f, 0xa7b0dfa, 0xa74cadf, 0xa6e87bd,
+    0xa684495,
+  0xa620166, 0xa5bbe31, 0xa557af5, 0xa4f37b3, 0xa48f46b, 0xa42b11d, 0xa3c6dc8,
+    0xa362a6d,
+  0xa2fe70b, 0xa29a3a3, 0xa236035, 0xa1d1cc1, 0xa16d946, 0xa1095c6, 0xa0a523f,
+    0xa040eb1,
+  0x9fdcb1e, 0x9f78784, 0x9f143e5, 0x9eb003f, 0x9e4bc93, 0x9de78e1, 0x9d83529,
+    0x9d1f16b,
+  0x9cbada7, 0x9c569dc, 0x9bf260c, 0x9b8e236, 0x9b29e59, 0x9ac5a77, 0x9a6168f,
+    0x99fd2a0,
+  0x9998eac, 0x9934ab2, 0x98d06b2, 0x986c2ac, 0x9807ea1, 0x97a3a8f, 0x973f678,
+    0x96db25a,
+  0x9676e37, 0x9612a0e, 0x95ae5e0, 0x954a1ab, 0x94e5d71, 0x9481931, 0x941d4eb,
+    0x93b90a0,
+  0x9354c4f, 0x92f07f8, 0x928c39b, 0x9227f39, 0x91c3ad2, 0x915f664, 0x90fb1f1,
+    0x9096d79,
+  0x90328fb, 0x8fce477, 0x8f69fee, 0x8f05b5f, 0x8ea16cb, 0x8e3d231, 0x8dd8d92,
+    0x8d748ed,
+  0x8d10443, 0x8cabf93, 0x8c47ade, 0x8be3624, 0x8b7f164, 0x8b1ac9f, 0x8ab67d4,
+    0x8a52304,
+  0x89ede2f, 0x8989955, 0x8925475, 0x88c0f90, 0x885caa5, 0x87f85b5, 0x87940c1,
+    0x872fbc6,
+  0x86cb6c7, 0x86671c2, 0x8602cb9, 0x859e7aa, 0x853a296, 0x84d5d7d, 0x847185e,
+    0x840d33b,
+  0x83a8e12, 0x83448e5, 0x82e03b2, 0x827be7a, 0x821793e, 0x81b33fc, 0x814eeb5,
+    0x80ea969,
+  0x8086419, 0x8021ec3, 0x7fbd968, 0x7f59409, 0x7ef4ea4, 0x7e9093b, 0x7e2c3cd,
+    0x7dc7e5a,
+  0x7d638e2, 0x7cff365, 0x7c9ade4, 0x7c3685d, 0x7bd22d2, 0x7b6dd42, 0x7b097ad,
+    0x7aa5214,
+  0x7a40c76, 0x79dc6d3, 0x797812b, 0x7913b7f, 0x78af5ce, 0x784b019, 0x77e6a5e,
+    0x77824a0,
+  0x771dedc, 0x76b9914, 0x7655347, 0x75f0d76, 0x758c7a1, 0x75281c6, 0x74c3be7,
+    0x745f604,
+  0x73fb01c, 0x7396a30, 0x733243f, 0x72cde4a, 0x7269851, 0x7205253, 0x71a0c50,
+    0x713c64a,
+  0x70d803f, 0x7073a2f, 0x700f41b, 0x6faae03, 0x6f467e7, 0x6ee21c6, 0x6e7dba1,
+    0x6e19578,
+  0x6db4f4a, 0x6d50919, 0x6cec2e3, 0x6c87ca9, 0x6c2366a, 0x6bbf028, 0x6b5a9e1,
+    0x6af6396,
+  0x6a91d47, 0x6a2d6f4, 0x69c909d, 0x6964a42, 0x69003e3, 0x689bd80, 0x6837718,
+    0x67d30ad,
+  0x676ea3d, 0x670a3ca, 0x66a5d53, 0x66416d8, 0x65dd058, 0x65789d5, 0x651434e,
+    0x64afcc3,
+  0x644b634, 0x63e6fa2, 0x638290b, 0x631e271, 0x62b9bd3, 0x6255531, 0x61f0e8b,
+    0x618c7e1,
+  0x6128134, 0x60c3a83, 0x605f3ce, 0x5ffad15, 0x5f96659, 0x5f31f99, 0x5ecd8d6,
+    0x5e6920e,
+  0x5e04b43, 0x5da0475, 0x5d3bda3, 0x5cd76cd, 0x5c72ff4, 0x5c0e917, 0x5baa237,
+    0x5b45b53,
+  0x5ae146b, 0x5a7cd80, 0x5a18692, 0x59b3fa0, 0x594f8aa, 0x58eb1b2, 0x5886ab5,
+    0x58223b6,
+  0x57bdcb3, 0x57595ac, 0x56f4ea2, 0x5690795, 0x562c085, 0x55c7971, 0x556325a,
+    0x54feb3f,
+  0x549a422, 0x5435d01, 0x53d15dd, 0x536ceb5, 0x530878a, 0x52a405d, 0x523f92c,
+    0x51db1f7,
+  0x5176ac0, 0x5112385, 0x50adc48, 0x5049507, 0x4fe4dc3, 0x4f8067c, 0x4f1bf32,
+    0x4eb77e5,
+  0x4e53095, 0x4dee942, 0x4d8a1ec, 0x4d25a93, 0x4cc1337, 0x4c5cbd8, 0x4bf8476,
+    0x4b93d11,
+  0x4b2f5a9, 0x4acae3e, 0x4a666d1, 0x4a01f60, 0x499d7ed, 0x4939077, 0x48d48fe,
+    0x4870182,
+  0x480ba04, 0x47a7282, 0x4742afe, 0x46de377, 0x4679bee, 0x4615461, 0x45b0cd2,
+    0x454c541,
+  0x44e7dac, 0x4483615, 0x441ee7c, 0x43ba6df, 0x4355f40, 0x42f179f, 0x428cffb,
+    0x4228854,
+  0x41c40ab, 0x415f8ff, 0x40fb151, 0x40969a0, 0x40321ed, 0x3fcda37, 0x3f6927f,
+    0x3f04ac4,
+  0x3ea0307, 0x3e3bb48, 0x3dd7386, 0x3d72bc2, 0x3d0e3fb, 0x3ca9c32, 0x3c45467,
+    0x3be0c99,
+  0x3b7c4c9, 0x3b17cf7, 0x3ab3523, 0x3a4ed4c, 0x39ea573, 0x3985d97, 0x39215ba,
+    0x38bcdda,
+  0x38585f8, 0x37f3e14, 0x378f62e, 0x372ae46, 0x36c665b, 0x3661e6f, 0x35fd680,
+    0x3598e8f,
+  0x353469c, 0x34cfea8, 0x346b6b1, 0x3406eb8, 0x33a26bd, 0x333dec0, 0x32d96c1,
+    0x3274ec0,
+  0x32106bd, 0x31abeb9, 0x31476b2, 0x30e2ea9, 0x307e69f, 0x3019e93, 0x2fb5684,
+    0x2f50e74,
+  0x2eec663, 0x2e87e4f, 0x2e2363a, 0x2dbee22, 0x2d5a609, 0x2cf5def, 0x2c915d2,
+    0x2c2cdb4,
+  0x2bc8594, 0x2b63d73, 0x2aff54f, 0x2a9ad2a, 0x2a36504, 0x29d1cdc, 0x296d4b2,
+    0x2908c87,
+  0x28a445a, 0x283fc2b, 0x27db3fb, 0x2776bc9, 0x2712396, 0x26adb62, 0x264932b,
+    0x25e4af4,
+  0x25802bb, 0x251ba80, 0x24b7244, 0x2452a07, 0x23ee1c8, 0x2389988, 0x2325147,
+    0x22c0904,
+  0x225c0bf, 0x21f787a, 0x2193033, 0x212e7eb, 0x20c9fa1, 0x2065757, 0x2000f0b,
+    0x1f9c6be,
+  0x1f37e6f, 0x1ed3620, 0x1e6edcf, 0x1e0a57d, 0x1da5d2a, 0x1d414d6, 0x1cdcc80,
+    0x1c7842a,
+  0x1c13bd2, 0x1baf37a, 0x1b4ab20, 0x1ae62c5, 0x1a81a69, 0x1a1d20c, 0x19b89ae,
+    0x1954150,
+  0x18ef8f0, 0x188b08f, 0x182682d, 0x17c1fcb, 0x175d767, 0x16f8f03, 0x169469d,
+    0x162fe37,
+  0x15cb5d0, 0x1566d68, 0x15024ff, 0x149dc96, 0x143942b, 0x13d4bc0, 0x1370354,
+    0x130bae7,
+  0x12a727a, 0x1242a0c, 0x11de19d, 0x117992e, 0x11150be, 0x10b084d, 0x104bfdb,
+    0xfe7769,
+  0xf82ef6, 0xf1e683, 0xeb9e0f, 0xe5559b, 0xdf0d26, 0xd8c4b0, 0xd27c3a,
+    0xcc33c3,
+  0xc5eb4c, 0xbfa2d5, 0xb95a5d, 0xb311e4, 0xacc96b, 0xa680f2, 0xa03878,
+    0x99effe,
+  0x93a784, 0x8d5f09, 0x87168e, 0x80ce12, 0x7a8597, 0x743d1a, 0x6df49e,
+    0x67ac21,
+  0x6163a5, 0x5b1b27, 0x54d2aa, 0x4e8a2c, 0x4841af, 0x41f931, 0x3bb0b3,
+    0x356835,
+  0x2f1fb6, 0x28d738, 0x228eb9, 0x1c463b, 0x15fdbc, 0xfb53d, 0x96cbe, 0x3243f,
+
+};
+
+/**    
+ * @brief  Initialization function for the Q31 DCT4/IDCT4.   
+ * @param[in,out] *S         points to an instance of Q31 DCT4/IDCT4 structure.   
+ * @param[in]     *S_RFFT    points to an instance of Q31 RFFT/RIFFT structure   
+ * @param[in]     *S_CFFT    points to an instance of Q31 CFFT/CIFFT structure   
+ * @param[in]     N          length of the DCT4.   
+ * @param[in]     Nby2       half of the length of the DCT4.   
+ * @param[in]     normalize  normalizing factor.   
+ * @return		  arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if N is not a supported transform length.   
+ * \par Normalizing factor:    
+ * The normalizing factor is sqrt(2/N), which depends on the size of transform N.    
+ * Normalizing factors in 1.31 format are mentioned in the table below for different DCT sizes:    
+ * \image html dct4NormalizingQ31Table.gif    
+ */
+
+arm_status arm_dct4_init_q31(
+  arm_dct4_instance_q31 * S,
+  arm_rfft_instance_q31 * S_RFFT,
+  arm_cfft_radix4_instance_q31 * S_CFFT,
+  uint16_t N,
+  uint16_t Nby2,
+  q31_t normalize)
+{
+  /*  Initialise the default arm status */
+  arm_status status = ARM_MATH_SUCCESS;
+
+  /* Initializing the pointer array with the weight table base addresses of different lengths */
+  q31_t *twiddlePtr[4] = { (q31_t *) WeightsQ31_128, (q31_t *) WeightsQ31_512,
+    (q31_t *) WeightsQ31_2048, (q31_t *) WeightsQ31_8192
+  };
+
+  /* Initializing the pointer array with the cos factor table base addresses of different lengths */
+  q31_t *pCosFactor[4] =
+    { (q31_t *) cos_factorsQ31_128, (q31_t *) cos_factorsQ31_512,
+    (q31_t *) cos_factorsQ31_2048, (q31_t *) cos_factorsQ31_8192
+  };
+
+  /* Initialize the DCT4 length */
+  S->N = N;
+
+  /* Initialize the half of DCT4 length */
+  S->Nby2 = Nby2;
+
+  /* Initialize the DCT4 Normalizing factor */
+  S->normalize = normalize;
+
+  /* Initialize Real FFT Instance */
+  S->pRfft = S_RFFT;
+
+  /* Initialize Complex FFT Instance */
+  S->pCfft = S_CFFT;
+
+  switch (N)
+  {
+    /* Initialize the table modifier values */
+  case 8192u:
+    S->pTwiddle = twiddlePtr[3];
+    S->pCosFactor = pCosFactor[3];
+    break;
+  case 2048u:
+    S->pTwiddle = twiddlePtr[2];
+    S->pCosFactor = pCosFactor[2];
+    break;
+  case 512u:
+    S->pTwiddle = twiddlePtr[1];
+    S->pCosFactor = pCosFactor[1];
+    break;
+  case 128u:
+    S->pTwiddle = twiddlePtr[0];
+    S->pCosFactor = pCosFactor[0];
+    break;
+  default:
+    status = ARM_MATH_ARGUMENT_ERROR;
+  }
+
+  /* Initialize the RFFT/RIFFT Function */
+  arm_rfft_init_q31(S->pRfft, S->pCfft, S->N, 0, 1);
+
+  /* return the status of DCT4 Init function */
+  return (status);
+}
+
+/**    
+   * @} end of DCT4_IDCT4 group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_q15.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_q15.c
new file mode 100644
index 0000000000..ac3f691ecd
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_q15.c
@@ -0,0 +1,386 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_dct4_q15.c    
+*    
+* Description:	Processing function of DCT4 & IDCT4 Q15.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @addtogroup DCT4_IDCT4    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the Q15 DCT4/IDCT4.   
+ * @param[in]       *S             points to an instance of the Q15 DCT4 structure.   
+ * @param[in]       *pState        points to state buffer.   
+ * @param[in,out]   *pInlineBuffer points to the in-place input and output buffer.   
+ * @return none.   
+ *     
+ * \par Input an output formats:    
+ * Internally inputs are downscaled in the RFFT process function to avoid overflows.    
+ * Number of bits downscaled, depends on the size of the transform.    
+ * The input and output formats for different DCT sizes and number of bits to upscale are mentioned in the table below:     
+ *    
+ * \image html dct4FormatsQ15Table.gif    
+ */
+
+void arm_dct4_q15(
+  const arm_dct4_instance_q15 * S,
+  q15_t * pState,
+  q15_t * pInlineBuffer)
+{
+  uint32_t i;                                    /* Loop counter */
+  q15_t *weights = S->pTwiddle;                  /* Pointer to the Weights table */
+  q15_t *cosFact = S->pCosFactor;                /* Pointer to the cos factors table */
+  q15_t *pS1, *pS2, *pbuff;                      /* Temporary pointers for input buffer and pState buffer */
+  q15_t in;                                      /* Temporary variable */
+
+
+  /* DCT4 computation involves DCT2 (which is calculated using RFFT)    
+   * along with some pre-processing and post-processing.    
+   * Computational procedure is explained as follows:    
+   * (a) Pre-processing involves multiplying input with cos factor,    
+   *     r(n) = 2 * u(n) * cos(pi*(2*n+1)/(4*n))    
+   *              where,    
+   *                 r(n) -- output of preprocessing    
+   *                 u(n) -- input to preprocessing(actual Source buffer)    
+   * (b) Calculation of DCT2 using FFT is divided into three steps:    
+   *                  Step1: Re-ordering of even and odd elements of input.    
+   *                  Step2: Calculating FFT of the re-ordered input.    
+   *                  Step3: Taking the real part of the product of FFT output and weights.    
+   * (c) Post-processing - DCT4 can be obtained from DCT2 output using the following equation:    
+   *                   Y4(k) = Y2(k) - Y4(k-1) and Y4(-1) = Y4(0)    
+   *                        where,    
+   *                           Y4 -- DCT4 output,   Y2 -- DCT2 output    
+   * (d) Multiplying the output with the normalizing factor sqrt(2/N).    
+   */
+
+        /*-------- Pre-processing ------------*/
+  /* Multiplying input with cos factor i.e. r(n) = 2 * x(n) * cos(pi*(2*n+1)/(4*n)) */
+  arm_mult_q15(pInlineBuffer, cosFact, pInlineBuffer, S->N);
+  arm_shift_q15(pInlineBuffer, 1, pInlineBuffer, S->N);
+
+  /* ----------------------------------------------------------------    
+   * Step1: Re-ordering of even and odd elements as    
+   *             pState[i] =  pInlineBuffer[2*i] and    
+   *             pState[N-i-1] = pInlineBuffer[2*i+1] where i = 0 to N/2    
+   ---------------------------------------------------------------------*/
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* pS2 initialized to pState+N-1, so that it points to the end of the state buffer */
+  pS2 = pState + (S->N - 1u);
+
+  /* pbuff initialized to input buffer */
+  pbuff = pInlineBuffer;
+
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /* Initializing the loop counter to N/2 >> 2 for loop unrolling by 4 */
+  i = (uint32_t) S->Nby2 >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  do
+  {
+    /* Re-ordering of even and odd elements */
+    /* pState[i] =  pInlineBuffer[2*i] */
+    *pS1++ = *pbuff++;
+    /* pState[N-i-1] = pInlineBuffer[2*i+1] */
+    *pS2-- = *pbuff++;
+
+    *pS1++ = *pbuff++;
+    *pS2-- = *pbuff++;
+
+    *pS1++ = *pbuff++;
+    *pS2-- = *pbuff++;
+
+    *pS1++ = *pbuff++;
+    *pS2-- = *pbuff++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+  /* pbuff initialized to input buffer */
+  pbuff = pInlineBuffer;
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* Initializing the loop counter to N/4 instead of N for loop unrolling */
+  i = (uint32_t) S->N >> 2u;
+
+  /* Processing with loop unrolling 4 times as N is always multiple of 4.    
+   * Compute 4 outputs at a time */
+  do
+  {
+    /* Writing the re-ordered output back to inplace input buffer */
+    *pbuff++ = *pS1++;
+    *pbuff++ = *pS1++;
+    *pbuff++ = *pS1++;
+    *pbuff++ = *pS1++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+
+  /* ---------------------------------------------------------    
+   *     Step2: Calculate RFFT for N-point input    
+   * ---------------------------------------------------------- */
+  /* pInlineBuffer is real input of length N , pState is the complex output of length 2N */
+  arm_rfft_q15(S->pRfft, pInlineBuffer, pState);
+
+ /*----------------------------------------------------------------------    
+  *  Step3: Multiply the FFT output with the weights.    
+  *----------------------------------------------------------------------*/
+  arm_cmplx_mult_cmplx_q15(pState, weights, pState, S->N);
+
+  /* The output of complex multiplication is in 3.13 format.    
+   * Hence changing the format of N (i.e. 2*N elements) complex numbers to 1.15 format by shifting left by 2 bits. */
+  arm_shift_q15(pState, 2, pState, S->N * 2);
+
+  /* ----------- Post-processing ---------- */
+  /* DCT-IV can be obtained from DCT-II by the equation,    
+   *       Y4(k) = Y2(k) - Y4(k-1) and Y4(-1) = Y4(0)    
+   *       Hence, Y4(0) = Y2(0)/2  */
+  /* Getting only real part from the output and Converting to DCT-IV */
+
+  /* Initializing the loop counter to N >> 2 for loop unrolling by 4 */
+  i = ((uint32_t) S->N - 1u) >> 2u;
+
+  /* pbuff initialized to input buffer. */
+  pbuff = pInlineBuffer;
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* Calculating Y4(0) from Y2(0) using Y4(0) = Y2(0)/2 */
+  in = *pS1++ >> 1u;
+  /* input buffer acts as inplace, so output values are stored in the input itself. */
+  *pbuff++ = in;
+
+  /* pState pointer is incremented twice as the real values are located alternatively in the array */
+  pS1++;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  do
+  {
+    /* Calculating Y4(1) to Y4(N-1) from Y2 using equation Y4(k) = Y2(k) - Y4(k-1) */
+    /* pState pointer (pS1) is incremented twice as the real values are located alternatively in the array */
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    /* points to the next real value */
+    pS1++;
+
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    pS1++;
+
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    pS1++;
+
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    pS1++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  i = ((uint32_t) S->N - 1u) % 0x4u;
+
+  while(i > 0u)
+  {
+    /* Calculating Y4(1) to Y4(N-1) from Y2 using equation Y4(k) = Y2(k) - Y4(k-1) */
+    /* pState pointer (pS1) is incremented twice as the real values are located alternatively in the array */
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    /* points to the next real value */
+    pS1++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+
+   /*------------ Normalizing the output by multiplying with the normalizing factor ----------*/
+
+  /* Initializing the loop counter to N/4 instead of N for loop unrolling */
+  i = (uint32_t) S->N >> 2u;
+
+  /* pbuff initialized to the pInlineBuffer(now contains the output values) */
+  pbuff = pInlineBuffer;
+
+  /* Processing with loop unrolling 4 times as N is always multiple of 4.  Compute 4 outputs at a time */
+  do
+  {
+    /* Multiplying pInlineBuffer with the normalizing factor sqrt(2/N) */
+    in = *pbuff;
+    *pbuff++ = ((q15_t) (((q31_t) in * S->normalize) >> 15));
+
+    in = *pbuff;
+    *pbuff++ = ((q15_t) (((q31_t) in * S->normalize) >> 15));
+
+    in = *pbuff;
+    *pbuff++ = ((q15_t) (((q31_t) in * S->normalize) >> 15));
+
+    in = *pbuff;
+    *pbuff++ = ((q15_t) (((q31_t) in * S->normalize) >> 15));
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Initializing the loop counter to N/2 */
+  i = (uint32_t) S->Nby2;
+
+  do
+  {
+    /* Re-ordering of even and odd elements */
+    /* pState[i] =  pInlineBuffer[2*i] */
+    *pS1++ = *pbuff++;
+    /* pState[N-i-1] = pInlineBuffer[2*i+1] */
+    *pS2-- = *pbuff++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+  /* pbuff initialized to input buffer */
+  pbuff = pInlineBuffer;
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* Initializing the loop counter */
+  i = (uint32_t) S->N;
+
+  do
+  {
+    /* Writing the re-ordered output back to inplace input buffer */
+    *pbuff++ = *pS1++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+
+  /* ---------------------------------------------------------    
+   *     Step2: Calculate RFFT for N-point input    
+   * ---------------------------------------------------------- */
+  /* pInlineBuffer is real input of length N , pState is the complex output of length 2N */
+  arm_rfft_q15(S->pRfft, pInlineBuffer, pState);
+
+ /*----------------------------------------------------------------------    
+  *  Step3: Multiply the FFT output with the weights.    
+  *----------------------------------------------------------------------*/
+  arm_cmplx_mult_cmplx_q15(pState, weights, pState, S->N);
+
+  /* The output of complex multiplication is in 3.13 format.    
+   * Hence changing the format of N (i.e. 2*N elements) complex numbers to 1.15 format by shifting left by 2 bits. */
+  arm_shift_q15(pState, 2, pState, S->N * 2);
+
+  /* ----------- Post-processing ---------- */
+  /* DCT-IV can be obtained from DCT-II by the equation,    
+   *       Y4(k) = Y2(k) - Y4(k-1) and Y4(-1) = Y4(0)    
+   *       Hence, Y4(0) = Y2(0)/2  */
+  /* Getting only real part from the output and Converting to DCT-IV */
+
+  /* Initializing the loop counter */
+  i = ((uint32_t) S->N - 1u);
+
+  /* pbuff initialized to input buffer. */
+  pbuff = pInlineBuffer;
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* Calculating Y4(0) from Y2(0) using Y4(0) = Y2(0)/2 */
+  in = *pS1++ >> 1u;
+  /* input buffer acts as inplace, so output values are stored in the input itself. */
+  *pbuff++ = in;
+
+  /* pState pointer is incremented twice as the real values are located alternatively in the array */
+  pS1++;
+
+  do
+  {
+    /* Calculating Y4(1) to Y4(N-1) from Y2 using equation Y4(k) = Y2(k) - Y4(k-1) */
+    /* pState pointer (pS1) is incremented twice as the real values are located alternatively in the array */
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    /* points to the next real value */
+    pS1++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+   /*------------ Normalizing the output by multiplying with the normalizing factor ----------*/
+
+  /* Initializing the loop counter */
+  i = (uint32_t) S->N;
+
+  /* pbuff initialized to the pInlineBuffer(now contains the output values) */
+  pbuff = pInlineBuffer;
+
+  do
+  {
+    /* Multiplying pInlineBuffer with the normalizing factor sqrt(2/N) */
+    in = *pbuff;
+    *pbuff++ = ((q15_t) (((q31_t) in * S->normalize) >> 15));
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+   * @} end of DCT4_IDCT4 group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_q31.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_q31.c
new file mode 100644
index 0000000000..a8c3678779
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_dct4_q31.c
@@ -0,0 +1,387 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_dct4_q31.c    
+*    
+* Description:	Processing function of DCT4 & IDCT4 Q31.    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @addtogroup DCT4_IDCT4    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the Q31 DCT4/IDCT4.   
+ * @param[in]       *S             points to an instance of the Q31 DCT4 structure.   
+ * @param[in]       *pState        points to state buffer.   
+ * @param[in,out]   *pInlineBuffer points to the in-place input and output buffer.   
+ * @return none.   
+ * \par Input an output formats:    
+ * Input samples need to be downscaled by 1 bit to avoid saturations in the Q31 DCT process,    
+ * as the conversion from DCT2 to DCT4 involves one subtraction.    
+ * Internally inputs are downscaled in the RFFT process function to avoid overflows.    
+ * Number of bits downscaled, depends on the size of the transform.    
+ * The input and output formats for different DCT sizes and number of bits to upscale are mentioned in the table below:     
+ *    
+ * \image html dct4FormatsQ31Table.gif    
+ */
+
+void arm_dct4_q31(
+  const arm_dct4_instance_q31 * S,
+  q31_t * pState,
+  q31_t * pInlineBuffer)
+{
+  uint16_t i;                                    /* Loop counter */
+  q31_t *weights = S->pTwiddle;                  /* Pointer to the Weights table */
+  q31_t *cosFact = S->pCosFactor;                /* Pointer to the cos factors table */
+  q31_t *pS1, *pS2, *pbuff;                      /* Temporary pointers for input buffer and pState buffer */
+  q31_t in;                                      /* Temporary variable */
+
+
+  /* DCT4 computation involves DCT2 (which is calculated using RFFT)    
+   * along with some pre-processing and post-processing.    
+   * Computational procedure is explained as follows:    
+   * (a) Pre-processing involves multiplying input with cos factor,    
+   *     r(n) = 2 * u(n) * cos(pi*(2*n+1)/(4*n))    
+   *              where,    
+   *                 r(n) -- output of preprocessing    
+   *                 u(n) -- input to preprocessing(actual Source buffer)    
+   * (b) Calculation of DCT2 using FFT is divided into three steps:    
+   *                  Step1: Re-ordering of even and odd elements of input.    
+   *                  Step2: Calculating FFT of the re-ordered input.    
+   *                  Step3: Taking the real part of the product of FFT output and weights.    
+   * (c) Post-processing - DCT4 can be obtained from DCT2 output using the following equation:    
+   *                   Y4(k) = Y2(k) - Y4(k-1) and Y4(-1) = Y4(0)    
+   *                        where,    
+   *                           Y4 -- DCT4 output,   Y2 -- DCT2 output    
+   * (d) Multiplying the output with the normalizing factor sqrt(2/N).    
+   */
+
+        /*-------- Pre-processing ------------*/
+  /* Multiplying input with cos factor i.e. r(n) = 2 * x(n) * cos(pi*(2*n+1)/(4*n)) */
+  arm_mult_q31(pInlineBuffer, cosFact, pInlineBuffer, S->N);
+  arm_shift_q31(pInlineBuffer, 1, pInlineBuffer, S->N);
+
+  /* ----------------------------------------------------------------    
+   * Step1: Re-ordering of even and odd elements as    
+   *             pState[i] =  pInlineBuffer[2*i] and    
+   *             pState[N-i-1] = pInlineBuffer[2*i+1] where i = 0 to N/2    
+   ---------------------------------------------------------------------*/
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* pS2 initialized to pState+N-1, so that it points to the end of the state buffer */
+  pS2 = pState + (S->N - 1u);
+
+  /* pbuff initialized to input buffer */
+  pbuff = pInlineBuffer;
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  /* Initializing the loop counter to N/2 >> 2 for loop unrolling by 4 */
+  i = S->Nby2 >> 2u;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  do
+  {
+    /* Re-ordering of even and odd elements */
+    /* pState[i] =  pInlineBuffer[2*i] */
+    *pS1++ = *pbuff++;
+    /* pState[N-i-1] = pInlineBuffer[2*i+1] */
+    *pS2-- = *pbuff++;
+
+    *pS1++ = *pbuff++;
+    *pS2-- = *pbuff++;
+
+    *pS1++ = *pbuff++;
+    *pS2-- = *pbuff++;
+
+    *pS1++ = *pbuff++;
+    *pS2-- = *pbuff++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+  /* pbuff initialized to input buffer */
+  pbuff = pInlineBuffer;
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* Initializing the loop counter to N/4 instead of N for loop unrolling */
+  i = S->N >> 2u;
+
+  /* Processing with loop unrolling 4 times as N is always multiple of 4.    
+   * Compute 4 outputs at a time */
+  do
+  {
+    /* Writing the re-ordered output back to inplace input buffer */
+    *pbuff++ = *pS1++;
+    *pbuff++ = *pS1++;
+    *pbuff++ = *pS1++;
+    *pbuff++ = *pS1++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+
+  /* ---------------------------------------------------------    
+   *     Step2: Calculate RFFT for N-point input    
+   * ---------------------------------------------------------- */
+  /* pInlineBuffer is real input of length N , pState is the complex output of length 2N */
+  arm_rfft_q31(S->pRfft, pInlineBuffer, pState);
+
+  /*----------------------------------------------------------------------    
+   *  Step3: Multiply the FFT output with the weights.    
+   *----------------------------------------------------------------------*/
+  arm_cmplx_mult_cmplx_q31(pState, weights, pState, S->N);
+
+  /* The output of complex multiplication is in 3.29 format.    
+   * Hence changing the format of N (i.e. 2*N elements) complex numbers to 1.31 format by shifting left by 2 bits. */
+  arm_shift_q31(pState, 2, pState, S->N * 2);
+
+  /* ----------- Post-processing ---------- */
+  /* DCT-IV can be obtained from DCT-II by the equation,    
+   *       Y4(k) = Y2(k) - Y4(k-1) and Y4(-1) = Y4(0)    
+   *       Hence, Y4(0) = Y2(0)/2  */
+  /* Getting only real part from the output and Converting to DCT-IV */
+
+  /* Initializing the loop counter to N >> 2 for loop unrolling by 4 */
+  i = (S->N - 1u) >> 2u;
+
+  /* pbuff initialized to input buffer. */
+  pbuff = pInlineBuffer;
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* Calculating Y4(0) from Y2(0) using Y4(0) = Y2(0)/2 */
+  in = *pS1++ >> 1u;
+  /* input buffer acts as inplace, so output values are stored in the input itself. */
+  *pbuff++ = in;
+
+  /* pState pointer is incremented twice as the real values are located alternatively in the array */
+  pS1++;
+
+  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.    
+   ** a second loop below computes the remaining 1 to 3 samples. */
+  do
+  {
+    /* Calculating Y4(1) to Y4(N-1) from Y2 using equation Y4(k) = Y2(k) - Y4(k-1) */
+    /* pState pointer (pS1) is incremented twice as the real values are located alternatively in the array */
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    /* points to the next real value */
+    pS1++;
+
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    pS1++;
+
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    pS1++;
+
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    pS1++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.    
+   ** No loop unrolling is used. */
+  i = (S->N - 1u) % 0x4u;
+
+  while(i > 0u)
+  {
+    /* Calculating Y4(1) to Y4(N-1) from Y2 using equation Y4(k) = Y2(k) - Y4(k-1) */
+    /* pState pointer (pS1) is incremented twice as the real values are located alternatively in the array */
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    /* points to the next real value */
+    pS1++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+
+        /*------------ Normalizing the output by multiplying with the normalizing factor ----------*/
+
+  /* Initializing the loop counter to N/4 instead of N for loop unrolling */
+  i = S->N >> 2u;
+
+  /* pbuff initialized to the pInlineBuffer(now contains the output values) */
+  pbuff = pInlineBuffer;
+
+  /* Processing with loop unrolling 4 times as N is always multiple of 4.  Compute 4 outputs at a time */
+  do
+  {
+    /* Multiplying pInlineBuffer with the normalizing factor sqrt(2/N) */
+    in = *pbuff;
+    *pbuff++ = ((q31_t) (((q63_t) in * S->normalize) >> 31));
+
+    in = *pbuff;
+    *pbuff++ = ((q31_t) (((q63_t) in * S->normalize) >> 31));
+
+    in = *pbuff;
+    *pbuff++ = ((q31_t) (((q63_t) in * S->normalize) >> 31));
+
+    in = *pbuff;
+    *pbuff++ = ((q31_t) (((q63_t) in * S->normalize) >> 31));
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  /* Initializing the loop counter to N/2 */
+  i = S->Nby2;
+
+  do
+  {
+    /* Re-ordering of even and odd elements */
+    /* pState[i] =  pInlineBuffer[2*i] */
+    *pS1++ = *pbuff++;
+    /* pState[N-i-1] = pInlineBuffer[2*i+1] */
+    *pS2-- = *pbuff++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+  /* pbuff initialized to input buffer */
+  pbuff = pInlineBuffer;
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* Initializing the loop counter */
+  i = S->N;
+
+  do
+  {
+    /* Writing the re-ordered output back to inplace input buffer */
+    *pbuff++ = *pS1++;
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+
+  /* ---------------------------------------------------------    
+   *     Step2: Calculate RFFT for N-point input    
+   * ---------------------------------------------------------- */
+  /* pInlineBuffer is real input of length N , pState is the complex output of length 2N */
+  arm_rfft_q31(S->pRfft, pInlineBuffer, pState);
+
+  /*----------------------------------------------------------------------    
+   *  Step3: Multiply the FFT output with the weights.    
+   *----------------------------------------------------------------------*/
+  arm_cmplx_mult_cmplx_q31(pState, weights, pState, S->N);
+
+  /* The output of complex multiplication is in 3.29 format.    
+   * Hence changing the format of N (i.e. 2*N elements) complex numbers to 1.31 format by shifting left by 2 bits. */
+  arm_shift_q31(pState, 2, pState, S->N * 2);
+
+  /* ----------- Post-processing ---------- */
+  /* DCT-IV can be obtained from DCT-II by the equation,    
+   *       Y4(k) = Y2(k) - Y4(k-1) and Y4(-1) = Y4(0)    
+   *       Hence, Y4(0) = Y2(0)/2  */
+  /* Getting only real part from the output and Converting to DCT-IV */
+
+  /* pbuff initialized to input buffer. */
+  pbuff = pInlineBuffer;
+
+  /* pS1 initialized to pState */
+  pS1 = pState;
+
+  /* Calculating Y4(0) from Y2(0) using Y4(0) = Y2(0)/2 */
+  in = *pS1++ >> 1u;
+  /* input buffer acts as inplace, so output values are stored in the input itself. */
+  *pbuff++ = in;
+
+  /* pState pointer is incremented twice as the real values are located alternatively in the array */
+  pS1++;
+
+  /* Initializing the loop counter */
+  i = (S->N - 1u);
+
+  while(i > 0u)
+  {
+    /* Calculating Y4(1) to Y4(N-1) from Y2 using equation Y4(k) = Y2(k) - Y4(k-1) */
+    /* pState pointer (pS1) is incremented twice as the real values are located alternatively in the array */
+    in = *pS1++ - in;
+    *pbuff++ = in;
+    /* points to the next real value */
+    pS1++;
+
+    /* Decrement the loop counter */
+    i--;
+  }
+
+
+        /*------------ Normalizing the output by multiplying with the normalizing factor ----------*/
+
+  /* Initializing the loop counter */
+  i = S->N;
+
+  /* pbuff initialized to the pInlineBuffer(now contains the output values) */
+  pbuff = pInlineBuffer;
+
+  do
+  {
+    /* Multiplying pInlineBuffer with the normalizing factor sqrt(2/N) */
+    in = *pbuff;
+    *pbuff++ = ((q31_t) (((q63_t) in * S->normalize) >> 31));
+
+    /* Decrement the loop counter */
+    i--;
+  } while(i > 0u);
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+/**    
+   * @} end of DCT4_IDCT4 group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_f32.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_f32.c
new file mode 100644
index 0000000000..a3a2d23aa5
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_f32.c
@@ -0,0 +1,382 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_rfft_f32.c    
+*    
+* Description:	RFFT & RIFFT Floating point process function    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+/**    
+ * @defgroup RFFT_RIFFT Real FFT Functions    
+ *    
+ * \par    
+ * Complex FFT/IFFT typically assumes complex input and output. However many applications use real valued data in time domain.     
+ * Real FFT/IFFT efficiently process real valued sequences with the advantage of requirement of low memory and with less complexity.    
+ *    
+ * \par    
+ * This set of functions implements Real Fast Fourier Transforms(RFFT) and Real Inverse Fast Fourier Transform(RIFFT)    
+ * for Q15, Q31, and floating-point data types.      
+ *    
+ *    
+ * \par Algorithm:    
+ *    
+ * Real Fast Fourier Transform:    
+ * \par    
+ * Real FFT of N-point is calculated using CFFT of N/2-point and Split RFFT process as shown below figure.    
+ * \par    
+ * \image html RFFT.gif "Real Fast Fourier Transform"    
+ * \par    
+ * The RFFT functions operate on blocks of input and output data and each call to the function processes    
+ * fftLenR samples through the transform.  pSrc  points to input array containing fftLenR values.    
+ * pDst  points to output array containing 2*fftLenR values. \n   
+ * Input for real FFT is in the order of     
+ * 
{real[0], real[1], real[2], real[3], ..}
    
+ * Output for real FFT is complex and are in the order of    
+ * 
{real(0), imag(0), real(1), imag(1), ...}
     
+ *    
+ * Real Inverse Fast Fourier Transform:    
+ * \par    
+ * Real IFFT of N-point is calculated using Split RIFFT process and CFFT of N/2-point as shown below figure.    
+ * \par    
+ * \image html RIFFT.gif "Real Inverse Fast Fourier Transform"    
+ * \par    
+ * The RIFFT functions operate on blocks of input and output data and each call to the function processes    
+ * 2*fftLenR samples through the transform.  pSrc  points to input array containing 2*fftLenR values.    
+ * pDst  points to output array containing fftLenR values. \n    
+ * Input for real IFFT is complex and are in the order of   
+ * 
{real(0), imag(0), real(1), imag(1), ...}
   
+ *  Output for real IFFT is real and in the order of     
+ * 
{real[0], real[1], real[2], real[3], ..}
   
+ *    
+ * \par Lengths supported by the transform:   
+ * \par    
+ * Real FFT/IFFT supports the lengths [128, 512, 2048], as it internally uses CFFT/CIFFT.    
+ *    
+ * \par Instance Structure    
+ * A separate instance structure must be defined for each Instance but the twiddle factors can be reused.    
+ * There are separate instance structure declarations for each of the 3 supported data types.    
+ *    
+ * \par Initialization Functions    
+ * There is also an associated initialization function for each data type.    
+ * The initialization function performs the following operations:    
+ * - Sets the values of the internal structure fields.    
+ * - Initializes twiddle factor tables.   
+ * - Initializes CFFT data structure fields.     
+ * \par    
+ * Use of the initialization function is optional.    
+ * However, if the initialization function is used, then the instance structure cannot be placed into a const data section.    
+ * To place an instance structure into a const data section, the instance structure must be manually initialized.    
+ * Manually initialize the instance structure as follows:    
+ * 
    
+ *arm_rfft_instance_f32 S = {fftLenReal, fftLenBy2, ifftFlagR, bitReverseFlagR, twidCoefRModifier, pTwiddleAReal, pTwiddleBReal, pCfft};    
+ *arm_rfft_instance_q31 S = {fftLenReal, fftLenBy2, ifftFlagR, bitReverseFlagR, twidCoefRModifier, pTwiddleAReal, pTwiddleBReal, pCfft};    
+ *arm_rfft_instance_q15 S = {fftLenReal, fftLenBy2, ifftFlagR, bitReverseFlagR, twidCoefRModifier, pTwiddleAReal, pTwiddleBReal, pCfft};    
+ * 
    
+ * where fftLenReal length of RFFT/RIFFT; fftLenBy2 length of CFFT/CIFFT.     
+ * ifftFlagR Flag for selection of RFFT or RIFFT(Set ifftFlagR to calculate RIFFT otherwise calculates RFFT);    
+ * bitReverseFlagR Flag for selection of output order(Set bitReverseFlagR to output in normal order otherwise output in bit reversed order);     
+ * twidCoefRModifier modifier for twiddle factor table which supports 128, 512, 2048 RFFT lengths with same table;    
+ * pTwiddleARealpoints to A array of twiddle coefficients; pTwiddleBRealpoints to B array of twiddle coefficients;    
+ * pCfft points to the CFFT Instance structure. The CFFT structure also needs to be initialized, refer to arm_cfft_radix4_f32() for details regarding    
+ * static initialization of cfft structure.    
+ *    
+ * \par Fixed-Point Behavior    
+ * Care must be taken when using the fixed-point versions of the RFFT/RIFFT function.    
+ * Refer to the function specific documentation below for usage guidelines.    
+ */
+
+/*--------------------------------------------------------------------    
+ *		Internal functions prototypes    
+ *--------------------------------------------------------------------*/
+
+void arm_split_rfft_f32(
+  float32_t * pSrc,
+  uint32_t fftLen,
+  float32_t * pATable,
+  float32_t * pBTable,
+  float32_t * pDst,
+  uint32_t modifier);
+void arm_split_rifft_f32(
+  float32_t * pSrc,
+  uint32_t fftLen,
+  float32_t * pATable,
+  float32_t * pBTable,
+  float32_t * pDst,
+  uint32_t modifier);
+
+/**    
+ * @addtogroup RFFT_RIFFT    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the floating-point RFFT/RIFFT.   
+ * @param[in]  *S    points to an instance of the floating-point RFFT/RIFFT structure.   
+ * @param[in]  *pSrc points to the input buffer.   
+ * @param[out] *pDst points to the output buffer.   
+ * @return none.   
+ */
+
+void arm_rfft_f32(
+  const arm_rfft_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst)
+{
+  const arm_cfft_radix4_instance_f32 *S_CFFT = S->pCfft;
+
+
+  /* Calculation of Real IFFT of input */
+  if(S->ifftFlagR == 1u)
+  {
+    /*  Real IFFT core process */
+    arm_split_rifft_f32(pSrc, S->fftLenBy2, S->pTwiddleAReal,
+                        S->pTwiddleBReal, pDst, S->twidCoefRModifier);
+
+
+    /* Complex radix-4 IFFT process */
+    arm_radix4_butterfly_inverse_f32(pDst, S_CFFT->fftLen,
+                                     S_CFFT->pTwiddle,
+                                     S_CFFT->twidCoefModifier,
+                                     S_CFFT->onebyfftLen);
+
+    /* Bit reversal process */
+    if(S->bitReverseFlagR == 1u)
+    {
+      arm_bitreversal_f32(pDst, S_CFFT->fftLen,
+                          S_CFFT->bitRevFactor, S_CFFT->pBitRevTable);
+    }
+  }
+  else
+  {
+
+    /* Calculation of RFFT of input */
+
+    /* Complex radix-4 FFT process */
+    arm_radix4_butterfly_f32(pSrc, S_CFFT->fftLen,
+                             S_CFFT->pTwiddle, S_CFFT->twidCoefModifier);
+
+    /* Bit reversal process */
+    if(S->bitReverseFlagR == 1u)
+    {
+      arm_bitreversal_f32(pSrc, S_CFFT->fftLen,
+                          S_CFFT->bitRevFactor, S_CFFT->pBitRevTable);
+    }
+
+
+    /*  Real FFT core process */
+    arm_split_rfft_f32(pSrc, S->fftLenBy2, S->pTwiddleAReal,
+                       S->pTwiddleBReal, pDst, S->twidCoefRModifier);
+  }
+
+}
+
+/**    
+   * @} end of RFFT_RIFFT group    
+   */
+
+/**    
+ * @brief  Core Real FFT process    
+ * @param[in]   *pSrc 				points to the input buffer.    
+ * @param[in]   fftLen  			length of FFT.    
+ * @param[in]   *pATable 			points to the twiddle Coef A buffer.    
+ * @param[in]   *pBTable 			points to the twiddle Coef B buffer.    
+ * @param[out]  *pDst 				points to the output buffer.    
+ * @param[in]   modifier 	        twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.   
+ * @return none.    
+ */
+
+void arm_split_rfft_f32(
+  float32_t * pSrc,
+  uint32_t fftLen,
+  float32_t * pATable,
+  float32_t * pBTable,
+  float32_t * pDst,
+  uint32_t modifier)
+{
+  uint32_t i;                                    /* Loop Counter */
+  float32_t outR, outI;                          /* Temporary variables for output */
+  float32_t *pCoefA, *pCoefB;                    /* Temporary pointers for twiddle factors */
+  float32_t CoefA1, CoefA2, CoefB1;              /* Temporary variables for twiddle coefficients */
+  float32_t *pDst1 = &pDst[2], *pDst2 = &pDst[(4u * fftLen) - 1u];      /* temp pointers for output buffer */
+  float32_t *pSrc1 = &pSrc[2], *pSrc2 = &pSrc[(2u * fftLen) - 1u];      /* temp pointers for input buffer */
+
+  /* Init coefficient pointers */
+  pCoefA = &pATable[modifier * 2u];
+  pCoefB = &pBTable[modifier * 2u];
+
+  i = fftLen - 1u;
+
+  while(i > 0u)
+  {
+    /*    
+       outR = (pSrc[2 * i] * pATable[2 * i] - pSrc[2 * i + 1] * pATable[2 * i + 1]    
+       + pSrc[2 * n - 2 * i] * pBTable[2 * i] +    
+       pSrc[2 * n - 2 * i + 1] * pBTable[2 * i + 1]);    
+     */
+
+    /* outI = (pIn[2 * i + 1] * pATable[2 * i] + pIn[2 * i] * pATable[2 * i + 1] +    
+       pIn[2 * n - 2 * i] * pBTable[2 * i + 1] -    
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i]); */
+
+    /* read pATable[2 * i] */
+    CoefA1 = *pCoefA++;
+    /* pATable[2 * i + 1] */
+    CoefA2 = *pCoefA;
+
+    /* pSrc[2 * i] * pATable[2 * i] */
+    outR = *pSrc1 * CoefA1;
+    /* pSrc[2 * i] * CoefA2 */
+    outI = *pSrc1++ * CoefA2;
+
+    /* (pSrc[2 * i + 1] + pSrc[2 * fftLen - 2 * i + 1]) * CoefA2 */
+    outR -= (*pSrc1 + *pSrc2) * CoefA2;
+    /* pSrc[2 * i + 1] * CoefA1 */
+    outI += *pSrc1++ * CoefA1;
+
+    CoefB1 = *pCoefB;
+
+    /* pSrc[2 * fftLen - 2 * i + 1] * CoefB1 */
+    outI -= *pSrc2-- * CoefB1;
+    /* pSrc[2 * fftLen - 2 * i] * CoefA2 */
+    outI -= *pSrc2 * CoefA2;
+
+    /* pSrc[2 * fftLen - 2 * i] * CoefB1 */
+    outR += *pSrc2-- * CoefB1;
+
+    /* write output */
+    *pDst1++ = outR;
+    *pDst1++ = outI;
+
+    /* write complex conjugate output */
+    *pDst2-- = -outI;
+    *pDst2-- = outR;
+
+    /* update coefficient pointer */
+    pCoefB = pCoefB + (modifier * 2u);
+    pCoefA = pCoefA + ((modifier * 2u) - 1u);
+
+    i--;
+
+  }
+
+  pDst[2u * fftLen] = pSrc[0] - pSrc[1];
+  pDst[(2u * fftLen) + 1u] = 0.0f;
+
+  pDst[0] = pSrc[0] + pSrc[1];
+  pDst[1] = 0.0f;
+
+}
+
+
+/**    
+ * @brief  Core Real IFFT process    
+ * @param[in]   *pSrc 				points to the input buffer.    
+ * @param[in]   fftLen  			length of FFT.   
+ * @param[in]   *pATable 			points to the twiddle Coef A buffer.   
+ * @param[in]   *pBTable 			points to the twiddle Coef B buffer.   
+ * @param[out]  *pDst 				points to the output buffer.   
+ * @param[in]   modifier 	        twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.    
+ * @return none.    
+ */
+
+void arm_split_rifft_f32(
+  float32_t * pSrc,
+  uint32_t fftLen,
+  float32_t * pATable,
+  float32_t * pBTable,
+  float32_t * pDst,
+  uint32_t modifier)
+{
+  float32_t outR, outI;                          /* Temporary variables for output */
+  float32_t *pCoefA, *pCoefB;                    /* Temporary pointers for twiddle factors */
+  float32_t CoefA1, CoefA2, CoefB1;              /* Temporary variables for twiddle coefficients */
+  float32_t *pSrc1 = &pSrc[0], *pSrc2 = &pSrc[(2u * fftLen) + 1u];
+
+  pCoefA = &pATable[0];
+  pCoefB = &pBTable[0];
+
+  while(fftLen > 0u)
+  {
+    /*    
+       outR = (pIn[2 * i] * pATable[2 * i] + pIn[2 * i + 1] * pATable[2 * i + 1] +    
+       pIn[2 * n - 2 * i] * pBTable[2 * i] -    
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i + 1]);    
+
+       outI = (pIn[2 * i + 1] * pATable[2 * i] - pIn[2 * i] * pATable[2 * i + 1] -    
+       pIn[2 * n - 2 * i] * pBTable[2 * i + 1] -    
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i]);    
+
+     */
+
+    CoefA1 = *pCoefA++;
+    CoefA2 = *pCoefA;
+
+    /* outR = (pSrc[2 * i] * CoefA1 */
+    outR = *pSrc1 * CoefA1;
+
+    /* - pSrc[2 * i] * CoefA2 */
+    outI = -(*pSrc1++) * CoefA2;
+
+    /* (pSrc[2 * i + 1] + pSrc[2 * fftLen - 2 * i + 1]) * CoefA2 */
+    outR += (*pSrc1 + *pSrc2) * CoefA2;
+
+    /* pSrc[2 * i + 1] * CoefA1 */
+    outI += (*pSrc1++) * CoefA1;
+
+    CoefB1 = *pCoefB;
+
+    /* - pSrc[2 * fftLen - 2 * i + 1] * CoefB1 */
+    outI -= *pSrc2-- * CoefB1;
+
+    /* pSrc[2 * fftLen - 2 * i] * CoefB1 */
+    outR += *pSrc2 * CoefB1;
+
+    /* pSrc[2 * fftLen - 2 * i] * CoefA2 */
+    outI += *pSrc2-- * CoefA2;
+
+    /* write output */
+    *pDst++ = outR;
+    *pDst++ = outI;
+
+    /* update coefficient pointer */
+    pCoefB = pCoefB + (modifier * 2u);
+    pCoefA = pCoefA + ((modifier * 2u) - 1u);
+
+    /* Decrement loop count */
+    fftLen--;
+  }
+
+}
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_init_f32.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_init_f32.c
new file mode 100644
index 0000000000..0133ae511c
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_init_f32.c
@@ -0,0 +1,8369 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_rfft_init_f32.c    
+*    
+* Description:	RFFT & RIFFT Floating point initialisation function    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+/**    
+ * @addtogroup RFFT_RIFFT    
+ * @{    
+ */
+
+/**    
+* \par    
+* Generation of realCoefA array:    
+* \par    
+* 	n = 4096    
+* 
for (i = 0; i < n; i++)    
+*  {    
+*    pATable[2 * i] = 0.5 * (1.0 - sin (2 * PI / (double) (2 * n) * (double) i));    
+*    pATable[2 * i + 1] = 0.5 * (-1.0 * cos (2 * PI / (double) (2 * n) * (double) i));    
+*  } 
    
+*/
+
+
+
+static const float32_t realCoefA[8192] = {
+  0.500000000000000f, -0.500000000000000f, 0.499616503715515f,
+    -0.499999850988388f,
+  0.499233007431030f, -0.499999403953552f, 0.498849511146545f,
+    -0.499998688697815f,
+  0.498466014862061f, -0.499997645616531f, 0.498082518577576f,
+    -0.499996334314346f,
+  0.497699022293091f, -0.499994695186615f, 0.497315555810928f,
+    -0.499992787837982f,
+  0.496932059526443f, -0.499990582466125f, 0.496548563241959f,
+    -0.499988079071045f,
+  0.496165096759796f, -0.499985307455063f, 0.495781600475311f,
+    -0.499982208013535f,
+  0.495398133993149f, -0.499978810548782f, 0.495014637708664f,
+    -0.499975144863129f,
+  0.494631171226501f, -0.499971181154251f, 0.494247704744339f,
+    -0.499966919422150f,
+  0.493864238262177f, -0.499962359666824f, 0.493480771780014f,
+    -0.499957501888275f,
+  0.493097305297852f, -0.499952346086502f, 0.492713838815689f,
+    -0.499946922063828f,
+  0.492330402135849f, -0.499941170215607f, 0.491946935653687f,
+    -0.499935150146484f,
+  0.491563498973846f, -0.499928832054138f, 0.491180062294006f,
+    -0.499922215938568f,
+  0.490796625614166f, -0.499915301799774f, 0.490413218736649f,
+    -0.499908089637756f,
+  0.490029782056808f, -0.499900579452515f, 0.489646375179291f,
+    -0.499892801046371f,
+  0.489262968301773f, -0.499884694814682f, 0.488879561424255f,
+    -0.499876320362091f,
+  0.488496154546738f, -0.499867647886276f, 0.488112777471542f,
+    -0.499858677387238f,
+  0.487729400396347f, -0.499849408864975f, 0.487346023321152f,
+    -0.499839842319489f,
+  0.486962646245956f, -0.499830007553101f, 0.486579269170761f,
+    -0.499819844961166f,
+  0.486195921897888f, -0.499809414148331f, 0.485812574625015f,
+    -0.499798685312271f,
+  0.485429257154465f, -0.499787658452988f, 0.485045909881592f,
+    -0.499776333570480f,
+  0.484662592411041f, -0.499764710664749f, 0.484279274940491f,
+    -0.499752789735794f,
+  0.483895987272263f, -0.499740600585938f, 0.483512699604034f,
+    -0.499728083610535f,
+  0.483129411935806f, -0.499715298414230f, 0.482746154069901f,
+    -0.499702215194702f,
+  0.482362866401672f, -0.499688833951950f, 0.481979638338089f,
+    -0.499675154685974f,
+  0.481596380472183f, -0.499661177396774f, 0.481213152408600f,
+    -0.499646931886673f,
+  0.480829954147339f, -0.499632388353348f, 0.480446726083755f,
+    -0.499617516994476f,
+  0.480063527822495f, -0.499602377414703f, 0.479680359363556f,
+    -0.499586939811707f,
+  0.479297190904617f, -0.499571204185486f, 0.478914022445679f,
+    -0.499555170536041f,
+  0.478530883789063f, -0.499538868665695f, 0.478147745132446f,
+    -0.499522238969803f,
+  0.477764606475830f, -0.499505341053009f, 0.477381497621536f,
+    -0.499488145112991f,
+  0.476998418569565f, -0.499470651149750f, 0.476615339517593f,
+    -0.499452859163284f,
+  0.476232260465622f, -0.499434769153595f, 0.475849211215973f,
+    -0.499416410923004f,
+  0.475466161966324f, -0.499397724866867f, 0.475083142518997f,
+    -0.499378770589828f,
+  0.474700123071671f, -0.499359518289566f, 0.474317133426666f,
+    -0.499339967966080f,
+  0.473934143781662f, -0.499320119619370f, 0.473551183938980f,
+    -0.499299973249435f,
+  0.473168224096298f, -0.499279528856277f, 0.472785294055939f,
+    -0.499258816242218f,
+  0.472402364015579f, -0.499237775802612f, 0.472019463777542f,
+    -0.499216467142105f,
+  0.471636593341827f, -0.499194860458374f, 0.471253722906113f,
+    -0.499172955751419f,
+  0.470870882272720f, -0.499150782823563f, 0.470488041639328f,
+    -0.499128282070160f,
+  0.470105201005936f, -0.499105513095856f, 0.469722419977188f,
+    -0.499082416296005f,
+  0.469339638948441f, -0.499059051275253f, 0.468956857919693f,
+    -0.499035388231277f,
+  0.468574106693268f, -0.499011427164078f, 0.468191385269165f,
+    -0.498987197875977f,
+  0.467808693647385f, -0.498962640762329f, 0.467426002025604f,
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+  0.445651292800903f, 0.497037440538406f, 0.446032524108887f,
+    0.497078984975815f,
+  0.446413785219193f, 0.497120231389999f, 0.446795076131821f,
+    0.497161179780960f,
+  0.447176426649094f, 0.497201830148697f, 0.447557777166367f,
+    0.497242212295532f,
+  0.447939187288284f, 0.497282296419144f, 0.448320597410202f,
+    0.497322082519531f,
+  0.448702067136765f, 0.497361570596695f, 0.449083566665649f,
+    0.497400760650635f,
+  0.449465066194534f, 0.497439652681351f, 0.449846625328064f,
+    0.497478276491165f,
+  0.450228184461594f, 0.497516602277756f, 0.450609803199768f,
+    0.497554630041122f,
+  0.450991421937943f, 0.497592359781265f, 0.451373100280762f,
+    0.497629791498184f,
+  0.451754778623581f, 0.497666954994202f, 0.452136516571045f,
+    0.497703820466995f,
+  0.452518254518509f, 0.497740387916565f, 0.452900022268295f,
+    0.497776657342911f,
+  0.453281819820404f, 0.497812628746033f, 0.453663676977158f,
+    0.497848302125931f,
+  0.454045534133911f, 0.497883707284927f, 0.454427421092987f,
+    0.497918814420700f,
+  0.454809308052063f, 0.497953623533249f, 0.455191254615784f,
+    0.497988134622574f,
+  0.455573230981827f, 0.498022347688675f, 0.455955207347870f,
+    0.498056292533875f,
+  0.456337243318558f, 0.498089909553528f, 0.456719279289246f,
+    0.498123258352280f,
+  0.457101345062256f, 0.498156309127808f, 0.457483440637589f,
+    0.498189061880112f,
+  0.457865566015244f, 0.498221516609192f, 0.458247691392899f,
+    0.498253703117371f,
+  0.458629876375198f, 0.498285561800003f, 0.459012061357498f,
+    0.498317152261734f,
+  0.459394276142120f, 0.498348444700241f, 0.459776520729065f,
+    0.498379439115524f,
+  0.460158795118332f, 0.498410135507584f, 0.460541069507599f,
+    0.498440563678741f,
+  0.460923373699188f, 0.498470664024353f, 0.461305707693100f,
+    0.498500496149063f,
+  0.461688071489334f, 0.498530030250549f, 0.462070435285568f,
+    0.498559266328812f,
+  0.462452858686447f, 0.498588204383850f, 0.462835282087326f,
+    0.498616874217987f,
+  0.463217705488205f, 0.498645216226578f, 0.463600188493729f,
+    0.498673290014267f,
+  0.463982671499252f, 0.498701065778732f, 0.464365184307098f,
+    0.498728543519974f,
+  0.464747726917267f, 0.498755723237991f, 0.465130269527435f,
+    0.498782604932785f,
+  0.465512841939926f, 0.498809218406677f, 0.465895414352417f,
+    0.498835533857346f,
+  0.466278046369553f, 0.498861521482468f, 0.466660678386688f,
+    0.498887240886688f,
+  0.467043310403824f, 0.498912662267685f, 0.467426002025604f,
+    0.498937815427780f,
+  0.467808693647385f, 0.498962640762329f, 0.468191385269165f,
+    0.498987197875977f,
+  0.468574106693268f, 0.499011427164078f, 0.468956857919693f,
+    0.499035388231277f,
+  0.469339638948441f, 0.499059051275253f, 0.469722419977188f,
+    0.499082416296005f,
+  0.470105201005936f, 0.499105513095856f, 0.470488041639328f,
+    0.499128282070160f,
+  0.470870882272720f, 0.499150782823563f, 0.471253722906113f,
+    0.499172955751419f,
+  0.471636593341827f, 0.499194860458374f, 0.472019463777542f,
+    0.499216467142105f,
+  0.472402364015579f, 0.499237775802612f, 0.472785294055939f,
+    0.499258816242218f,
+  0.473168224096298f, 0.499279528856277f, 0.473551183938980f,
+    0.499299973249435f,
+  0.473934143781662f, 0.499320119619370f, 0.474317133426666f,
+    0.499339967966080f,
+  0.474700123071671f, 0.499359518289566f, 0.475083142518997f,
+    0.499378770589828f,
+  0.475466161966324f, 0.499397724866867f, 0.475849211215973f,
+    0.499416410923004f,
+  0.476232260465622f, 0.499434769153595f, 0.476615339517593f,
+    0.499452859163284f,
+  0.476998418569565f, 0.499470651149750f, 0.477381497621536f,
+    0.499488145112991f,
+  0.477764606475830f, 0.499505341053009f, 0.478147745132446f,
+    0.499522238969803f,
+  0.478530883789063f, 0.499538868665695f, 0.478914022445679f,
+    0.499555170536041f,
+  0.479297190904617f, 0.499571204185486f, 0.479680359363556f,
+    0.499586939811707f,
+  0.480063527822495f, 0.499602377414703f, 0.480446726083755f,
+    0.499617516994476f,
+  0.480829954147339f, 0.499632388353348f, 0.481213152408600f,
+    0.499646931886673f,
+  0.481596380472183f, 0.499661177396774f, 0.481979638338089f,
+    0.499675154685974f,
+  0.482362866401672f, 0.499688833951950f, 0.482746154069901f,
+    0.499702215194702f,
+  0.483129411935806f, 0.499715298414230f, 0.483512699604034f,
+    0.499728083610535f,
+  0.483895987272263f, 0.499740600585938f, 0.484279274940491f,
+    0.499752789735794f,
+  0.484662592411041f, 0.499764710664749f, 0.485045909881592f,
+    0.499776333570480f,
+  0.485429257154465f, 0.499787658452988f, 0.485812574625015f,
+    0.499798685312271f,
+  0.486195921897888f, 0.499809414148331f, 0.486579269170761f,
+    0.499819844961166f,
+  0.486962646245956f, 0.499830007553101f, 0.487346023321152f,
+    0.499839842319489f,
+  0.487729400396347f, 0.499849408864975f, 0.488112777471542f,
+    0.499858677387238f,
+  0.488496154546738f, 0.499867647886276f, 0.488879561424255f,
+    0.499876320362091f,
+  0.489262968301773f, 0.499884694814682f, 0.489646375179291f,
+    0.499892801046371f,
+  0.490029782056808f, 0.499900579452515f, 0.490413218736649f,
+    0.499908089637756f,
+  0.490796625614166f, 0.499915301799774f, 0.491180062294006f,
+    0.499922215938568f,
+  0.491563498973846f, 0.499928832054138f, 0.491946935653687f,
+    0.499935150146484f,
+  0.492330402135849f, 0.499941170215607f, 0.492713838815689f,
+    0.499946922063828f,
+  0.493097305297852f, 0.499952346086502f, 0.493480771780014f,
+    0.499957501888275f,
+  0.493864238262177f, 0.499962359666824f, 0.494247704744339f,
+    0.499966919422150f,
+  0.494631171226501f, 0.499971181154251f, 0.495014637708664f,
+    0.499975144863129f,
+  0.495398133993149f, 0.499978810548782f, 0.495781600475311f,
+    0.499982208013535f,
+  0.496165096759796f, 0.499985307455063f, 0.496548563241959f,
+    0.499988079071045f,
+  0.496932059526443f, 0.499990582466125f, 0.497315555810928f,
+    0.499992787837982f,
+  0.497699022293091f, 0.499994695186615f, 0.498082518577576f,
+    0.499996334314346f,
+  0.498466014862061f, 0.499997645616531f, 0.498849511146545f,
+    0.499998688697815f,
+  0.499233007431030f, 0.499999403953552f, 0.499616503715515f,
+    0.499999850988388f,
+};
+
+
+/**    
+* \par   
+* Generation of realCoefB array:    
+* \par   
+* n = 4096    
+* 
for (i = 0; i < n; i++)    
+* {    
+*    pBTable[2 * i] = 0.5 * (1.0 + sin (2 * PI / (double) (2 * n) * (double) i));    
+*    pBTable[2 * i + 1] = 0.5 * (1.0 * cos (2 * PI / (double) (2 * n) * (double) i));    
+*  } 
    
+*    
+*/
+static const float32_t realCoefB[8192] = {
+  0.500000000000000f, 0.500000000000000f, 0.500383496284485f,
+    0.499999850988388f,
+  0.500766992568970f, 0.499999403953552f, 0.501150488853455f,
+    0.499998688697815f,
+  0.501533985137939f, 0.499997645616531f, 0.501917481422424f,
+    0.499996334314346f,
+  0.502300977706909f, 0.499994695186615f, 0.502684473991394f,
+    0.499992787837982f,
+  0.503067970275879f, 0.499990582466125f, 0.503451406955719f,
+    0.499988079071045f,
+  0.503834903240204f, 0.499985307455063f, 0.504218399524689f,
+    0.499982208013535f,
+  0.504601895809174f, 0.499978810548782f, 0.504985332489014f,
+    0.499975144863129f,
+  0.505368828773499f, 0.499971181154251f, 0.505752325057983f,
+    0.499966919422150f,
+  0.506135761737823f, 0.499962359666824f, 0.506519258022308f,
+    0.499957501888275f,
+  0.506902694702148f, 0.499952346086502f, 0.507286131381989f,
+    0.499946922063828f,
+  0.507669627666473f, 0.499941170215607f, 0.508053064346313f,
+    0.499935150146484f,
+  0.508436501026154f, 0.499928832054138f, 0.508819937705994f,
+    0.499922215938568f,
+  0.509203374385834f, 0.499915301799774f, 0.509586811065674f,
+    0.499908089637756f,
+  0.509970188140869f, 0.499900579452515f, 0.510353624820709f,
+    0.499892801046371f,
+  0.510737061500549f, 0.499884694814682f, 0.511120438575745f,
+    0.499876320362091f,
+  0.511503815650940f, 0.499867647886276f, 0.511887252330780f,
+    0.499858677387238f,
+  0.512270629405975f, 0.499849408864975f, 0.512654006481171f,
+    0.499839842319489f,
+  0.513037383556366f, 0.499830007553101f, 0.513420701026917f,
+    0.499819844961166f,
+  0.513804078102112f, 0.499809414148331f, 0.514187395572662f,
+    0.499798685312271f,
+  0.514570772647858f, 0.499787658452988f, 0.514954090118408f,
+    0.499776333570480f,
+  0.515337407588959f, 0.499764710664749f, 0.515720725059509f,
+    0.499752789735794f,
+  0.516103982925415f, 0.499740600585938f, 0.516487300395966f,
+    0.499728083610535f,
+  0.516870558261871f, 0.499715298414230f, 0.517253875732422f,
+    0.499702215194702f,
+  0.517637133598328f, 0.499688833951950f, 0.518020391464233f,
+    0.499675154685974f,
+  0.518403589725494f, 0.499661177396774f, 0.518786847591400f,
+    0.499646931886673f,
+  0.519170045852661f, 0.499632388353348f, 0.519553244113922f,
+    0.499617516994476f,
+  0.519936442375183f, 0.499602377414703f, 0.520319640636444f,
+    0.499586939811707f,
+  0.520702838897705f, 0.499571204185486f, 0.521085977554321f,
+    0.499555170536041f,
+  0.521469116210938f, 0.499538868665695f, 0.521852254867554f,
+    0.499522238969803f,
+  0.522235393524170f, 0.499505341053009f, 0.522618472576141f,
+    0.499488145112991f,
+  0.523001611232758f, 0.499470651149750f, 0.523384690284729f,
+    0.499452859163284f,
+  0.523767769336700f, 0.499434769153595f, 0.524150788784027f,
+    0.499416410923004f,
+  0.524533808231354f, 0.499397724866867f, 0.524916887283325f,
+    0.499378770589828f,
+  0.525299847126007f, 0.499359518289566f, 0.525682866573334f,
+    0.499339967966080f,
+  0.526065826416016f, 0.499320119619370f, 0.526448845863342f,
+    0.499299973249435f,
+  0.526831746101379f, 0.499279528856277f, 0.527214705944061f,
+    0.499258816242218f,
+  0.527597606182098f, 0.499237775802612f, 0.527980506420136f,
+    0.499216467142105f,
+  0.528363406658173f, 0.499194860458374f, 0.528746306896210f,
+    0.499172955751419f,
+  0.529129147529602f, 0.499150782823563f, 0.529511988162994f,
+    0.499128282070160f,
+  0.529894769191742f, 0.499105513095856f, 0.530277609825134f,
+    0.499082416296005f,
+  0.530660390853882f, 0.499059051275253f, 0.531043112277985f,
+    0.499035388231277f,
+  0.531425893306732f, 0.499011427164078f, 0.531808614730835f,
+    0.498987197875977f,
+  0.532191336154938f, 0.498962640762329f, 0.532573997974396f,
+    0.498937815427780f,
+  0.532956659793854f, 0.498912662267685f, 0.533339321613312f,
+    0.498887240886688f,
+  0.533721983432770f, 0.498861521482468f, 0.534104585647583f,
+    0.498835533857346f,
+  0.534487187862396f, 0.498809218406677f, 0.534869730472565f,
+    0.498782604932785f,
+  0.535252273082733f, 0.498755723237991f, 0.535634815692902f,
+    0.498728543519974f,
+  0.536017298698425f, 0.498701065778732f, 0.536399841308594f,
+    0.498673290014267f,
+  0.536782264709473f, 0.498645216226578f, 0.537164747714996f,
+    0.498616874217987f,
+  0.537547171115875f, 0.498588204383850f, 0.537929534912109f,
+    0.498559266328812f,
+  0.538311958312988f, 0.498530030250549f, 0.538694262504578f,
+    0.498500496149063f,
+  0.539076626300812f, 0.498470664024353f, 0.539458930492401f,
+    0.498440563678741f,
+  0.539841234683990f, 0.498410135507584f, 0.540223479270935f,
+    0.498379439115524f,
+  0.540605723857880f, 0.498348444700241f, 0.540987968444824f,
+    0.498317152261734f,
+  0.541370153427124f, 0.498285561800003f, 0.541752278804779f,
+    0.498253703117371f,
+  0.542134463787079f, 0.498221516609192f, 0.542516589164734f,
+    0.498189061880112f,
+  0.542898654937744f, 0.498156309127808f, 0.543280720710754f,
+    0.498123258352280f,
+  0.543662786483765f, 0.498089909553528f, 0.544044792652130f,
+    0.498056292533875f,
+  0.544426798820496f, 0.498022347688675f, 0.544808745384216f,
+    0.497988134622574f,
+  0.545190691947937f, 0.497953623533249f, 0.545572578907013f,
+    0.497918814420700f,
+  0.545954465866089f, 0.497883707284927f, 0.546336352825165f,
+    0.497848302125931f,
+  0.546718180179596f, 0.497812628746033f, 0.547099947929382f,
+    0.497776657342911f,
+  0.547481775283813f, 0.497740387916565f, 0.547863483428955f,
+    0.497703820466995f,
+  0.548245191574097f, 0.497666954994202f, 0.548626899719238f,
+    0.497629791498184f,
+  0.549008548259735f, 0.497592359781265f, 0.549390196800232f,
+    0.497554630041122f,
+  0.549771785736084f, 0.497516602277756f, 0.550153374671936f,
+    0.497478276491165f,
+  0.550534904003143f, 0.497439652681351f, 0.550916433334351f,
+    0.497400760650635f,
+  0.551297962665558f, 0.497361570596695f, 0.551679372787476f,
+    0.497322082519531f,
+  0.552060842514038f, 0.497282296419144f, 0.552442193031311f,
+    0.497242212295532f,
+  0.552823603153229f, 0.497201830148697f, 0.553204894065857f,
+    0.497161179780960f,
+  0.553586184978485f, 0.497120231389999f, 0.553967475891113f,
+    0.497078984975815f,
+  0.554348707199097f, 0.497037440538406f, 0.554729938507080f,
+    0.496995598077774f,
+  0.555111110210419f, 0.496953487396240f, 0.555492222309113f,
+    0.496911078691483f,
+  0.555873334407806f, 0.496868371963501f, 0.556254446506500f,
+    0.496825367212296f,
+  0.556635499000549f, 0.496782064437866f, 0.557016491889954f,
+    0.496738493442535f,
+  0.557397484779358f, 0.496694594621658f, 0.557778418064117f,
+    0.496650427579880f,
+  0.558159291744232f, 0.496605962514877f, 0.558540165424347f,
+    0.496561229228973f,
+  0.558921039104462f, 0.496516168117523f, 0.559301853179932f,
+    0.496470838785172f,
+  0.559682607650757f, 0.496425211429596f, 0.560063362121582f,
+    0.496379286050797f,
+  0.560444056987762f, 0.496333062648773f, 0.560824692249298f,
+    0.496286571025848f,
+  0.561205327510834f, 0.496239781379700f, 0.561585903167725f,
+    0.496192663908005f,
+  0.561966478824615f, 0.496145308017731f, 0.562346994876862f,
+    0.496097624301910f,
+  0.562727510929108f, 0.496049642562866f, 0.563107967376709f,
+    0.496001392602921f,
+  0.563488364219666f, 0.495952844619751f, 0.563868701457977f,
+    0.495903998613358f,
+  0.564249038696289f, 0.495854884386063f, 0.564629375934601f,
+    0.495805442333221f,
+  0.565009593963623f, 0.495755732059479f, 0.565389811992645f,
+    0.495705723762512f,
+  0.565770030021667f, 0.495655417442322f, 0.566150128841400f,
+    0.495604842901230f,
+  0.566530287265778f, 0.495553970336914f, 0.566910326480865f,
+    0.495502769947052f,
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+  0.529129147529602f, -0.499150782823563f, 0.528746306896210f,
+    -0.499172955751419f,
+  0.528363406658173f, -0.499194860458374f, 0.527980506420136f,
+    -0.499216467142105f,
+  0.527597606182098f, -0.499237775802612f, 0.527214705944061f,
+    -0.499258816242218f,
+  0.526831746101379f, -0.499279528856277f, 0.526448845863342f,
+    -0.499299973249435f,
+  0.526065826416016f, -0.499320119619370f, 0.525682866573334f,
+    -0.499339967966080f,
+  0.525299847126007f, -0.499359518289566f, 0.524916887283325f,
+    -0.499378770589828f,
+  0.524533808231354f, -0.499397724866867f, 0.524150788784027f,
+    -0.499416410923004f,
+  0.523767769336700f, -0.499434769153595f, 0.523384690284729f,
+    -0.499452859163284f,
+  0.523001611232758f, -0.499470651149750f, 0.522618472576141f,
+    -0.499488145112991f,
+  0.522235393524170f, -0.499505341053009f, 0.521852254867554f,
+    -0.499522238969803f,
+  0.521469116210938f, -0.499538868665695f, 0.521085977554321f,
+    -0.499555170536041f,
+  0.520702838897705f, -0.499571204185486f, 0.520319640636444f,
+    -0.499586939811707f,
+  0.519936442375183f, -0.499602377414703f, 0.519553244113922f,
+    -0.499617516994476f,
+  0.519170045852661f, -0.499632388353348f, 0.518786847591400f,
+    -0.499646931886673f,
+  0.518403589725494f, -0.499661177396774f, 0.518020391464233f,
+    -0.499675154685974f,
+  0.517637133598328f, -0.499688833951950f, 0.517253875732422f,
+    -0.499702215194702f,
+  0.516870558261871f, -0.499715298414230f, 0.516487300395966f,
+    -0.499728083610535f,
+  0.516103982925415f, -0.499740600585938f, 0.515720725059509f,
+    -0.499752789735794f,
+  0.515337407588959f, -0.499764710664749f, 0.514954090118408f,
+    -0.499776333570480f,
+  0.514570772647858f, -0.499787658452988f, 0.514187395572662f,
+    -0.499798685312271f,
+  0.513804078102112f, -0.499809414148331f, 0.513420701026917f,
+    -0.499819844961166f,
+  0.513037383556366f, -0.499830007553101f, 0.512654006481171f,
+    -0.499839842319489f,
+  0.512270629405975f, -0.499849408864975f, 0.511887252330780f,
+    -0.499858677387238f,
+  0.511503815650940f, -0.499867647886276f, 0.511120438575745f,
+    -0.499876320362091f,
+  0.510737061500549f, -0.499884694814682f, 0.510353624820709f,
+    -0.499892801046371f,
+  0.509970188140869f, -0.499900579452515f, 0.509586811065674f,
+    -0.499908089637756f,
+  0.509203374385834f, -0.499915301799774f, 0.508819937705994f,
+    -0.499922215938568f,
+  0.508436501026154f, -0.499928832054138f, 0.508053064346313f,
+    -0.499935150146484f,
+  0.507669627666473f, -0.499941170215607f, 0.507286131381989f,
+    -0.499946922063828f,
+  0.506902694702148f, -0.499952346086502f, 0.506519258022308f,
+    -0.499957501888275f,
+  0.506135761737823f, -0.499962359666824f, 0.505752325057983f,
+    -0.499966919422150f,
+  0.505368828773499f, -0.499971181154251f, 0.504985332489014f,
+    -0.499975144863129f,
+  0.504601895809174f, -0.499978810548782f, 0.504218399524689f,
+    -0.499982208013535f,
+  0.503834903240204f, -0.499985307455063f, 0.503451406955719f,
+    -0.499988079071045f,
+  0.503067970275879f, -0.499990582466125f, 0.502684473991394f,
+    -0.499992787837982f,
+  0.502300977706909f, -0.499994695186615f, 0.501917481422424f,
+    -0.499996334314346f,
+  0.501533985137939f, -0.499997645616531f, 0.501150488853455f,
+    -0.499998688697815f,
+  0.500766992568970f, -0.499999403953552f, 0.500383496284485f,
+    -0.499999850988388f,
+};
+
+
+
+/**    
+* @brief  Initialization function for the floating-point RFFT/RIFFT.   
+* @param[in,out] *S             points to an instance of the floating-point RFFT/RIFFT structure.   
+* @param[in,out] *S_CFFT        points to an instance of the floating-point CFFT/CIFFT structure.   
+* @param[in]     fftLenReal     length of the FFT.   
+* @param[in]     ifftFlagR      flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform.   
+* @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.   
+* @return		The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLenReal is not a supported value.   
+*    
+* \par Description:   
+* \par   
+* The parameter fftLenReal	Specifies length of RFFT/RIFFT Process. Supported FFT Lengths are 128, 512, 2048.    
+* \par    
+* The parameter ifftFlagR controls whether a forward or inverse transform is computed.    
+* Set(=1) ifftFlagR to calculate RIFFT, otherwise RFFT is calculated.    
+* \par    
+* The parameter bitReverseFlag controls whether output is in normal order or bit reversed order.    
+* Set(=1) bitReverseFlag for output to be in normal order otherwise output is in bit reversed order.   
+* \par    
+* This function also initializes Twiddle factor table.     
+*/
+
+arm_status arm_rfft_init_f32(
+  arm_rfft_instance_f32 * S,
+  arm_cfft_radix4_instance_f32 * S_CFFT,
+  uint32_t fftLenReal,
+  uint32_t ifftFlagR,
+  uint32_t bitReverseFlag)
+{
+
+  /*  Initialise the default arm status */
+  arm_status status = ARM_MATH_SUCCESS;
+
+  /*  Initialize the Real FFT length */
+  S->fftLenReal = (uint16_t) fftLenReal;
+
+  /*  Initialize the Complex FFT length */
+  S->fftLenBy2 = (uint16_t) fftLenReal / 2u;
+
+  /*  Initialize the Twiddle coefficientA pointer */
+  S->pTwiddleAReal = (float32_t *) realCoefA;
+
+  /*  Initialize the Twiddle coefficientB pointer */
+  S->pTwiddleBReal = (float32_t *) realCoefB;
+
+  /*  Initialize the Flag for selection of RFFT or RIFFT */
+  S->ifftFlagR = (uint8_t) ifftFlagR;
+
+  /*  Initialize the Flag for calculation Bit reversal or not */
+  S->bitReverseFlagR = (uint8_t) bitReverseFlag;
+
+  /*  Initializations of structure parameters depending on the FFT length */
+  switch (S->fftLenReal)
+  {
+    /* Init table modifier value */
+  case 8192u:
+    S->twidCoefRModifier = 1u;
+    break;
+  case 2048u:
+    S->twidCoefRModifier = 4u;
+    break;
+  case 512u:
+    S->twidCoefRModifier = 16u;
+    break;
+  case 128u:
+    S->twidCoefRModifier = 64u;
+    break;
+  default:
+    /*  Reporting argument error if rfftSize is not valid value */
+    status = ARM_MATH_ARGUMENT_ERROR;
+    break;
+  }
+
+  /* Init Complex FFT Instance */
+  S->pCfft = S_CFFT;
+
+  if(S->ifftFlagR)
+  {
+    /* Initializes the CIFFT Module for fftLenreal/2 length */
+    arm_cfft_radix4_init_f32(S->pCfft, S->fftLenBy2, 1u, 0u);
+  }
+  else
+  {
+    /* Initializes the CFFT Module for fftLenreal/2 length */
+    arm_cfft_radix4_init_f32(S->pCfft, S->fftLenBy2, 0u, 0u);
+  }
+
+  /* return the status of RFFT Init function */
+  return (status);
+
+}
+
+  /**    
+   * @} end of RFFT_RIFFT group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_init_q15.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_init_q15.c
new file mode 100644
index 0000000000..144b2d0c61
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_init_q15.c
@@ -0,0 +1,2229 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_rfft_init_q15.c    
+*    
+* Description:	RFFT & RIFFT Q15 initialisation function    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+/**    
+ * @addtogroup RFFT_RIFFT    
+ * @{    
+ */
+
+
+
+/**    
+* \par    
+* Generation floating point real_CoefA array:    
+* \par    
+* n = 4096    
+* 
for (i = 0; i < n; i++)    
+*  {    
+*    pATable[2 * i] = 0.5 * (1.0 - sin (2 * PI / (double) (2 * n) * (double) i));    
+*    pATable[2 * i + 1] = 0.5 * (-1.0 * cos (2 * PI / (double) (2 * n) * (double) i));    
+*  } 
    
+* \par    
+* Convert to fixed point Q15 format    
+*       round(pATable[i] * pow(2, 15))    
+*/
+
+
+static const q15_t ALIGN4 realCoefAQ15[8192] = {
+  0x4000, 0xc000, 0x3ff3, 0xc000, 0x3fe7, 0xc000, 0x3fda, 0xc000,
+  0x3fce, 0xc000, 0x3fc1, 0xc000, 0x3fb5, 0xc000, 0x3fa8, 0xc000,
+  0x3f9b, 0xc000, 0x3f8f, 0xc000, 0x3f82, 0xc000, 0x3f76, 0xc001,
+  0x3f69, 0xc001, 0x3f5d, 0xc001, 0x3f50, 0xc001, 0x3f44, 0xc001,
+  0x3f37, 0xc001, 0x3f2a, 0xc001, 0x3f1e, 0xc002, 0x3f11, 0xc002,
+  0x3f05, 0xc002, 0x3ef8, 0xc002, 0x3eec, 0xc002, 0x3edf, 0xc003,
+  0x3ed2, 0xc003, 0x3ec6, 0xc003, 0x3eb9, 0xc003, 0x3ead, 0xc004,
+  0x3ea0, 0xc004, 0x3e94, 0xc004, 0x3e87, 0xc004, 0x3e7a, 0xc005,
+  0x3e6e, 0xc005, 0x3e61, 0xc005, 0x3e55, 0xc006, 0x3e48, 0xc006,
+  0x3e3c, 0xc006, 0x3e2f, 0xc007, 0x3e23, 0xc007, 0x3e16, 0xc007,
+  0x3e09, 0xc008, 0x3dfd, 0xc008, 0x3df0, 0xc009, 0x3de4, 0xc009,
+  0x3dd7, 0xc009, 0x3dcb, 0xc00a, 0x3dbe, 0xc00a, 0x3db2, 0xc00b,
+  0x3da5, 0xc00b, 0x3d98, 0xc00c, 0x3d8c, 0xc00c, 0x3d7f, 0xc00d,
+  0x3d73, 0xc00d, 0x3d66, 0xc00e, 0x3d5a, 0xc00e, 0x3d4d, 0xc00f,
+  0x3d40, 0xc00f, 0x3d34, 0xc010, 0x3d27, 0xc010, 0x3d1b, 0xc011,
+  0x3d0e, 0xc011, 0x3d02, 0xc012, 0x3cf5, 0xc013, 0x3ce9, 0xc013,
+  0x3cdc, 0xc014, 0x3cd0, 0xc014, 0x3cc3, 0xc015, 0x3cb6, 0xc016,
+  0x3caa, 0xc016, 0x3c9d, 0xc017, 0x3c91, 0xc018, 0x3c84, 0xc018,
+  0x3c78, 0xc019, 0x3c6b, 0xc01a, 0x3c5f, 0xc01a, 0x3c52, 0xc01b,
+  0x3c45, 0xc01c, 0x3c39, 0xc01d, 0x3c2c, 0xc01d, 0x3c20, 0xc01e,
+  0x3c13, 0xc01f, 0x3c07, 0xc020, 0x3bfa, 0xc020, 0x3bee, 0xc021,
+  0x3be1, 0xc022, 0x3bd5, 0xc023, 0x3bc8, 0xc024, 0x3bbc, 0xc024,
+  0x3baf, 0xc025, 0x3ba2, 0xc026, 0x3b96, 0xc027, 0x3b89, 0xc028,
+  0x3b7d, 0xc029, 0x3b70, 0xc02a, 0x3b64, 0xc02b, 0x3b57, 0xc02b,
+  0x3b4b, 0xc02c, 0x3b3e, 0xc02d, 0x3b32, 0xc02e, 0x3b25, 0xc02f,
+  0x3b19, 0xc030, 0x3b0c, 0xc031, 0x3b00, 0xc032, 0x3af3, 0xc033,
+  0x3ae6, 0xc034, 0x3ada, 0xc035, 0x3acd, 0xc036, 0x3ac1, 0xc037,
+  0x3ab4, 0xc038, 0x3aa8, 0xc039, 0x3a9b, 0xc03a, 0x3a8f, 0xc03b,
+  0x3a82, 0xc03c, 0x3a76, 0xc03d, 0x3a69, 0xc03f, 0x3a5d, 0xc040,
+  0x3a50, 0xc041, 0x3a44, 0xc042, 0x3a37, 0xc043, 0x3a2b, 0xc044,
+  0x3a1e, 0xc045, 0x3a12, 0xc047, 0x3a05, 0xc048, 0x39f9, 0xc049,
+  0x39ec, 0xc04a, 0x39e0, 0xc04b, 0x39d3, 0xc04c, 0x39c7, 0xc04e,
+  0x39ba, 0xc04f, 0x39ae, 0xc050, 0x39a1, 0xc051, 0x3995, 0xc053,
+  0x3988, 0xc054, 0x397c, 0xc055, 0x396f, 0xc056, 0x3963, 0xc058,
+  0x3956, 0xc059, 0x394a, 0xc05a, 0x393d, 0xc05c, 0x3931, 0xc05d,
+  0x3924, 0xc05e, 0x3918, 0xc060, 0x390b, 0xc061, 0x38ff, 0xc062,
+  0x38f2, 0xc064, 0x38e6, 0xc065, 0x38d9, 0xc067, 0x38cd, 0xc068,
+  0x38c0, 0xc069, 0x38b4, 0xc06b, 0x38a7, 0xc06c, 0x389b, 0xc06e,
+  0x388e, 0xc06f, 0x3882, 0xc071, 0x3875, 0xc072, 0x3869, 0xc074,
+  0x385c, 0xc075, 0x3850, 0xc077, 0x3843, 0xc078, 0x3837, 0xc07a,
+  0x382a, 0xc07b, 0x381e, 0xc07d, 0x3811, 0xc07e, 0x3805, 0xc080,
+  0x37f9, 0xc081, 0x37ec, 0xc083, 0x37e0, 0xc085, 0x37d3, 0xc086,
+  0x37c7, 0xc088, 0x37ba, 0xc089, 0x37ae, 0xc08b, 0x37a1, 0xc08d,
+  0x3795, 0xc08e, 0x3788, 0xc090, 0x377c, 0xc092, 0x376f, 0xc093,
+  0x3763, 0xc095, 0x3757, 0xc097, 0x374a, 0xc098, 0x373e, 0xc09a,
+  0x3731, 0xc09c, 0x3725, 0xc09e, 0x3718, 0xc09f, 0x370c, 0xc0a1,
+  0x36ff, 0xc0a3, 0x36f3, 0xc0a5, 0x36e7, 0xc0a6, 0x36da, 0xc0a8,
+  0x36ce, 0xc0aa, 0x36c1, 0xc0ac, 0x36b5, 0xc0ae, 0x36a8, 0xc0af,
+  0x369c, 0xc0b1, 0x3690, 0xc0b3, 0x3683, 0xc0b5, 0x3677, 0xc0b7,
+  0x366a, 0xc0b9, 0x365e, 0xc0bb, 0x3651, 0xc0bd, 0x3645, 0xc0be,
+  0x3639, 0xc0c0, 0x362c, 0xc0c2, 0x3620, 0xc0c4, 0x3613, 0xc0c6,
+  0x3607, 0xc0c8, 0x35fa, 0xc0ca, 0x35ee, 0xc0cc, 0x35e2, 0xc0ce,
+  0x35d5, 0xc0d0, 0x35c9, 0xc0d2, 0x35bc, 0xc0d4, 0x35b0, 0xc0d6,
+  0x35a4, 0xc0d8, 0x3597, 0xc0da, 0x358b, 0xc0dc, 0x357e, 0xc0de,
+  0x3572, 0xc0e0, 0x3566, 0xc0e2, 0x3559, 0xc0e4, 0x354d, 0xc0e7,
+  0x3540, 0xc0e9, 0x3534, 0xc0eb, 0x3528, 0xc0ed, 0x351b, 0xc0ef,
+  0x350f, 0xc0f1, 0x3503, 0xc0f3, 0x34f6, 0xc0f6, 0x34ea, 0xc0f8,
+  0x34dd, 0xc0fa, 0x34d1, 0xc0fc, 0x34c5, 0xc0fe, 0x34b8, 0xc100,
+  0x34ac, 0xc103, 0x34a0, 0xc105, 0x3493, 0xc107, 0x3487, 0xc109,
+  0x347b, 0xc10c, 0x346e, 0xc10e, 0x3462, 0xc110, 0x3455, 0xc113,
+  0x3449, 0xc115, 0x343d, 0xc117, 0x3430, 0xc119, 0x3424, 0xc11c,
+  0x3418, 0xc11e, 0x340b, 0xc120, 0x33ff, 0xc123, 0x33f3, 0xc125,
+  0x33e6, 0xc128, 0x33da, 0xc12a, 0x33ce, 0xc12c, 0x33c1, 0xc12f,
+  0x33b5, 0xc131, 0x33a9, 0xc134, 0x339c, 0xc136, 0x3390, 0xc138,
+  0x3384, 0xc13b, 0x3377, 0xc13d, 0x336b, 0xc140, 0x335f, 0xc142,
+  0x3352, 0xc145, 0x3346, 0xc147, 0x333a, 0xc14a, 0x332d, 0xc14c,
+  0x3321, 0xc14f, 0x3315, 0xc151, 0x3308, 0xc154, 0x32fc, 0xc156,
+  0x32f0, 0xc159, 0x32e4, 0xc15b, 0x32d7, 0xc15e, 0x32cb, 0xc161,
+  0x32bf, 0xc163, 0x32b2, 0xc166, 0x32a6, 0xc168, 0x329a, 0xc16b,
+  0x328e, 0xc16e, 0x3281, 0xc170, 0x3275, 0xc173, 0x3269, 0xc176,
+  0x325c, 0xc178, 0x3250, 0xc17b, 0x3244, 0xc17e, 0x3238, 0xc180,
+  0x322b, 0xc183, 0x321f, 0xc186, 0x3213, 0xc189, 0x3207, 0xc18b,
+  0x31fa, 0xc18e, 0x31ee, 0xc191, 0x31e2, 0xc194, 0x31d5, 0xc196,
+  0x31c9, 0xc199, 0x31bd, 0xc19c, 0x31b1, 0xc19f, 0x31a4, 0xc1a2,
+  0x3198, 0xc1a4, 0x318c, 0xc1a7, 0x3180, 0xc1aa, 0x3174, 0xc1ad,
+  0x3167, 0xc1b0, 0x315b, 0xc1b3, 0x314f, 0xc1b6, 0x3143, 0xc1b8,
+  0x3136, 0xc1bb, 0x312a, 0xc1be, 0x311e, 0xc1c1, 0x3112, 0xc1c4,
+  0x3105, 0xc1c7, 0x30f9, 0xc1ca, 0x30ed, 0xc1cd, 0x30e1, 0xc1d0,
+  0x30d5, 0xc1d3, 0x30c8, 0xc1d6, 0x30bc, 0xc1d9, 0x30b0, 0xc1dc,
+  0x30a4, 0xc1df, 0x3098, 0xc1e2, 0x308b, 0xc1e5, 0x307f, 0xc1e8,
+  0x3073, 0xc1eb, 0x3067, 0xc1ee, 0x305b, 0xc1f1, 0x304e, 0xc1f4,
+  0x3042, 0xc1f7, 0x3036, 0xc1fa, 0x302a, 0xc1fd, 0x301e, 0xc201,
+  0x3012, 0xc204, 0x3005, 0xc207, 0x2ff9, 0xc20a, 0x2fed, 0xc20d,
+  0x2fe1, 0xc210, 0x2fd5, 0xc213, 0x2fc9, 0xc217, 0x2fbc, 0xc21a,
+  0x2fb0, 0xc21d, 0x2fa4, 0xc220, 0x2f98, 0xc223, 0x2f8c, 0xc227,
+  0x2f80, 0xc22a, 0x2f74, 0xc22d, 0x2f67, 0xc230, 0x2f5b, 0xc234,
+  0x2f4f, 0xc237, 0x2f43, 0xc23a, 0x2f37, 0xc23e, 0x2f2b, 0xc241,
+  0x2f1f, 0xc244, 0x2f13, 0xc247, 0x2f06, 0xc24b, 0x2efa, 0xc24e,
+  0x2eee, 0xc251, 0x2ee2, 0xc255, 0x2ed6, 0xc258, 0x2eca, 0xc25c,
+  0x2ebe, 0xc25f, 0x2eb2, 0xc262, 0x2ea6, 0xc266, 0x2e99, 0xc269,
+  0x2e8d, 0xc26d, 0x2e81, 0xc270, 0x2e75, 0xc273, 0x2e69, 0xc277,
+  0x2e5d, 0xc27a, 0x2e51, 0xc27e, 0x2e45, 0xc281, 0x2e39, 0xc285,
+  0x2e2d, 0xc288, 0x2e21, 0xc28c, 0x2e15, 0xc28f, 0x2e09, 0xc293,
+  0x2dfc, 0xc296, 0x2df0, 0xc29a, 0x2de4, 0xc29d, 0x2dd8, 0xc2a1,
+  0x2dcc, 0xc2a5, 0x2dc0, 0xc2a8, 0x2db4, 0xc2ac, 0x2da8, 0xc2af,
+  0x2d9c, 0xc2b3, 0x2d90, 0xc2b7, 0x2d84, 0xc2ba, 0x2d78, 0xc2be,
+  0x2d6c, 0xc2c1, 0x2d60, 0xc2c5, 0x2d54, 0xc2c9, 0x2d48, 0xc2cc,
+  0x2d3c, 0xc2d0, 0x2d30, 0xc2d4, 0x2d24, 0xc2d8, 0x2d18, 0xc2db,
+  0x2d0c, 0xc2df, 0x2d00, 0xc2e3, 0x2cf4, 0xc2e6, 0x2ce8, 0xc2ea,
+  0x2cdc, 0xc2ee, 0x2cd0, 0xc2f2, 0x2cc4, 0xc2f5, 0x2cb8, 0xc2f9,
+  0x2cac, 0xc2fd, 0x2ca0, 0xc301, 0x2c94, 0xc305, 0x2c88, 0xc308,
+  0x2c7c, 0xc30c, 0x2c70, 0xc310, 0x2c64, 0xc314, 0x2c58, 0xc318,
+  0x2c4c, 0xc31c, 0x2c40, 0xc320, 0x2c34, 0xc323, 0x2c28, 0xc327,
+  0x2c1c, 0xc32b, 0x2c10, 0xc32f, 0x2c05, 0xc333, 0x2bf9, 0xc337,
+  0x2bed, 0xc33b, 0x2be1, 0xc33f, 0x2bd5, 0xc343, 0x2bc9, 0xc347,
+  0x2bbd, 0xc34b, 0x2bb1, 0xc34f, 0x2ba5, 0xc353, 0x2b99, 0xc357,
+  0x2b8d, 0xc35b, 0x2b81, 0xc35f, 0x2b75, 0xc363, 0x2b6a, 0xc367,
+  0x2b5e, 0xc36b, 0x2b52, 0xc36f, 0x2b46, 0xc373, 0x2b3a, 0xc377,
+  0x2b2e, 0xc37b, 0x2b22, 0xc37f, 0x2b16, 0xc383, 0x2b0a, 0xc387,
+  0x2aff, 0xc38c, 0x2af3, 0xc390, 0x2ae7, 0xc394, 0x2adb, 0xc398,
+  0x2acf, 0xc39c, 0x2ac3, 0xc3a0, 0x2ab7, 0xc3a5, 0x2aac, 0xc3a9,
+  0x2aa0, 0xc3ad, 0x2a94, 0xc3b1, 0x2a88, 0xc3b5, 0x2a7c, 0xc3ba,
+  0x2a70, 0xc3be, 0x2a65, 0xc3c2, 0x2a59, 0xc3c6, 0x2a4d, 0xc3ca,
+  0x2a41, 0xc3cf, 0x2a35, 0xc3d3, 0x2a29, 0xc3d7, 0x2a1e, 0xc3dc,
+  0x2a12, 0xc3e0, 0x2a06, 0xc3e4, 0x29fa, 0xc3e9, 0x29ee, 0xc3ed,
+  0x29e3, 0xc3f1, 0x29d7, 0xc3f6, 0x29cb, 0xc3fa, 0x29bf, 0xc3fe,
+  0x29b4, 0xc403, 0x29a8, 0xc407, 0x299c, 0xc40b, 0x2990, 0xc410,
+  0x2984, 0xc414, 0x2979, 0xc419, 0x296d, 0xc41d, 0x2961, 0xc422,
+  0x2955, 0xc426, 0x294a, 0xc42a, 0x293e, 0xc42f, 0x2932, 0xc433,
+  0x2926, 0xc438, 0x291b, 0xc43c, 0x290f, 0xc441, 0x2903, 0xc445,
+  0x28f7, 0xc44a, 0x28ec, 0xc44e, 0x28e0, 0xc453, 0x28d4, 0xc457,
+  0x28c9, 0xc45c, 0x28bd, 0xc461, 0x28b1, 0xc465, 0x28a5, 0xc46a,
+  0x289a, 0xc46e, 0x288e, 0xc473, 0x2882, 0xc478, 0x2877, 0xc47c,
+  0x286b, 0xc481, 0x285f, 0xc485, 0x2854, 0xc48a, 0x2848, 0xc48f,
+  0x283c, 0xc493, 0x2831, 0xc498, 0x2825, 0xc49d, 0x2819, 0xc4a1,
+  0x280e, 0xc4a6, 0x2802, 0xc4ab, 0x27f6, 0xc4b0, 0x27eb, 0xc4b4,
+  0x27df, 0xc4b9, 0x27d3, 0xc4be, 0x27c8, 0xc4c2, 0x27bc, 0xc4c7,
+  0x27b1, 0xc4cc, 0x27a5, 0xc4d1, 0x2799, 0xc4d6, 0x278e, 0xc4da,
+  0x2782, 0xc4df, 0x2777, 0xc4e4, 0x276b, 0xc4e9, 0x275f, 0xc4ee,
+  0x2754, 0xc4f2, 0x2748, 0xc4f7, 0x273d, 0xc4fc, 0x2731, 0xc501,
+  0x2725, 0xc506, 0x271a, 0xc50b, 0x270e, 0xc510, 0x2703, 0xc515,
+  0x26f7, 0xc51a, 0x26ec, 0xc51e, 0x26e0, 0xc523, 0x26d4, 0xc528,
+  0x26c9, 0xc52d, 0x26bd, 0xc532, 0x26b2, 0xc537, 0x26a6, 0xc53c,
+  0x269b, 0xc541, 0x268f, 0xc546, 0x2684, 0xc54b, 0x2678, 0xc550,
+  0x266d, 0xc555, 0x2661, 0xc55a, 0x2656, 0xc55f, 0x264a, 0xc564,
+  0x263f, 0xc569, 0x2633, 0xc56e, 0x2628, 0xc573, 0x261c, 0xc578,
+  0x2611, 0xc57e, 0x2605, 0xc583, 0x25fa, 0xc588, 0x25ee, 0xc58d,
+  0x25e3, 0xc592, 0x25d7, 0xc597, 0x25cc, 0xc59c, 0x25c0, 0xc5a1,
+  0x25b5, 0xc5a7, 0x25a9, 0xc5ac, 0x259e, 0xc5b1, 0x2592, 0xc5b6,
+  0x2587, 0xc5bb, 0x257c, 0xc5c1, 0x2570, 0xc5c6, 0x2565, 0xc5cb,
+  0x2559, 0xc5d0, 0x254e, 0xc5d5, 0x2542, 0xc5db, 0x2537, 0xc5e0,
+  0x252c, 0xc5e5, 0x2520, 0xc5ea, 0x2515, 0xc5f0, 0x2509, 0xc5f5,
+  0x24fe, 0xc5fa, 0x24f3, 0xc600, 0x24e7, 0xc605, 0x24dc, 0xc60a,
+  0x24d0, 0xc610, 0x24c5, 0xc615, 0x24ba, 0xc61a, 0x24ae, 0xc620,
+  0x24a3, 0xc625, 0x2498, 0xc62a, 0x248c, 0xc630, 0x2481, 0xc635,
+  0x2476, 0xc63b, 0x246a, 0xc640, 0x245f, 0xc645, 0x2454, 0xc64b,
+  0x2448, 0xc650, 0x243d, 0xc656, 0x2432, 0xc65b, 0x2426, 0xc661,
+  0x241b, 0xc666, 0x2410, 0xc66c, 0x2404, 0xc671, 0x23f9, 0xc677,
+  0x23ee, 0xc67c, 0x23e2, 0xc682, 0x23d7, 0xc687, 0x23cc, 0xc68d,
+  0x23c1, 0xc692, 0x23b5, 0xc698, 0x23aa, 0xc69d, 0x239f, 0xc6a3,
+  0x2394, 0xc6a8, 0x2388, 0xc6ae, 0x237d, 0xc6b4, 0x2372, 0xc6b9,
+  0x2367, 0xc6bf, 0x235b, 0xc6c5, 0x2350, 0xc6ca, 0x2345, 0xc6d0,
+  0x233a, 0xc6d5, 0x232e, 0xc6db, 0x2323, 0xc6e1, 0x2318, 0xc6e6,
+  0x230d, 0xc6ec, 0x2301, 0xc6f2, 0x22f6, 0xc6f7, 0x22eb, 0xc6fd,
+  0x22e0, 0xc703, 0x22d5, 0xc709, 0x22ca, 0xc70e, 0x22be, 0xc714,
+  0x22b3, 0xc71a, 0x22a8, 0xc720, 0x229d, 0xc725, 0x2292, 0xc72b,
+  0x2287, 0xc731, 0x227b, 0xc737, 0x2270, 0xc73d, 0x2265, 0xc742,
+  0x225a, 0xc748, 0x224f, 0xc74e, 0x2244, 0xc754, 0x2239, 0xc75a,
+  0x222d, 0xc75f, 0x2222, 0xc765, 0x2217, 0xc76b, 0x220c, 0xc771,
+  0x2201, 0xc777, 0x21f6, 0xc77d, 0x21eb, 0xc783, 0x21e0, 0xc789,
+  0x21d5, 0xc78f, 0x21ca, 0xc795, 0x21be, 0xc79a, 0x21b3, 0xc7a0,
+  0x21a8, 0xc7a6, 0x219d, 0xc7ac, 0x2192, 0xc7b2, 0x2187, 0xc7b8,
+  0x217c, 0xc7be, 0x2171, 0xc7c4, 0x2166, 0xc7ca, 0x215b, 0xc7d0,
+  0x2150, 0xc7d6, 0x2145, 0xc7dc, 0x213a, 0xc7e2, 0x212f, 0xc7e8,
+  0x2124, 0xc7ee, 0x2119, 0xc7f5, 0x210e, 0xc7fb, 0x2103, 0xc801,
+  0x20f8, 0xc807, 0x20ed, 0xc80d, 0x20e2, 0xc813, 0x20d7, 0xc819,
+  0x20cc, 0xc81f, 0x20c1, 0xc825, 0x20b6, 0xc82b, 0x20ab, 0xc832,
+  0x20a0, 0xc838, 0x2095, 0xc83e, 0x208a, 0xc844, 0x207f, 0xc84a,
+  0x2074, 0xc850, 0x2069, 0xc857, 0x205e, 0xc85d, 0x2054, 0xc863,
+  0x2049, 0xc869, 0x203e, 0xc870, 0x2033, 0xc876, 0x2028, 0xc87c,
+  0x201d, 0xc882, 0x2012, 0xc889, 0x2007, 0xc88f, 0x1ffc, 0xc895,
+  0x1ff1, 0xc89b, 0x1fe7, 0xc8a2, 0x1fdc, 0xc8a8, 0x1fd1, 0xc8ae,
+  0x1fc6, 0xc8b5, 0x1fbb, 0xc8bb, 0x1fb0, 0xc8c1, 0x1fa5, 0xc8c8,
+  0x1f9b, 0xc8ce, 0x1f90, 0xc8d4, 0x1f85, 0xc8db, 0x1f7a, 0xc8e1,
+  0x1f6f, 0xc8e8, 0x1f65, 0xc8ee, 0x1f5a, 0xc8f4, 0x1f4f, 0xc8fb,
+  0x1f44, 0xc901, 0x1f39, 0xc908, 0x1f2f, 0xc90e, 0x1f24, 0xc915,
+  0x1f19, 0xc91b, 0x1f0e, 0xc921, 0x1f03, 0xc928, 0x1ef9, 0xc92e,
+  0x1eee, 0xc935, 0x1ee3, 0xc93b, 0x1ed8, 0xc942, 0x1ece, 0xc948,
+  0x1ec3, 0xc94f, 0x1eb8, 0xc955, 0x1ead, 0xc95c, 0x1ea3, 0xc963,
+  0x1e98, 0xc969, 0x1e8d, 0xc970, 0x1e83, 0xc976, 0x1e78, 0xc97d,
+  0x1e6d, 0xc983, 0x1e62, 0xc98a, 0x1e58, 0xc991, 0x1e4d, 0xc997,
+  0x1e42, 0xc99e, 0x1e38, 0xc9a4, 0x1e2d, 0xc9ab, 0x1e22, 0xc9b2,
+  0x1e18, 0xc9b8, 0x1e0d, 0xc9bf, 0x1e02, 0xc9c6, 0x1df8, 0xc9cc,
+  0x1ded, 0xc9d3, 0x1de2, 0xc9da, 0x1dd8, 0xc9e0, 0x1dcd, 0xc9e7,
+  0x1dc3, 0xc9ee, 0x1db8, 0xc9f5, 0x1dad, 0xc9fb, 0x1da3, 0xca02,
+  0x1d98, 0xca09, 0x1d8e, 0xca10, 0x1d83, 0xca16, 0x1d78, 0xca1d,
+  0x1d6e, 0xca24, 0x1d63, 0xca2b, 0x1d59, 0xca32, 0x1d4e, 0xca38,
+  0x1d44, 0xca3f, 0x1d39, 0xca46, 0x1d2e, 0xca4d, 0x1d24, 0xca54,
+  0x1d19, 0xca5b, 0x1d0f, 0xca61, 0x1d04, 0xca68, 0x1cfa, 0xca6f,
+  0x1cef, 0xca76, 0x1ce5, 0xca7d, 0x1cda, 0xca84, 0x1cd0, 0xca8b,
+  0x1cc5, 0xca92, 0x1cbb, 0xca99, 0x1cb0, 0xca9f, 0x1ca6, 0xcaa6,
+  0x1c9b, 0xcaad, 0x1c91, 0xcab4, 0x1c86, 0xcabb, 0x1c7c, 0xcac2,
+  0x1c72, 0xcac9, 0x1c67, 0xcad0, 0x1c5d, 0xcad7, 0x1c52, 0xcade,
+  0x1c48, 0xcae5, 0x1c3d, 0xcaec, 0x1c33, 0xcaf3, 0x1c29, 0xcafa,
+  0x1c1e, 0xcb01, 0x1c14, 0xcb08, 0x1c09, 0xcb0f, 0x1bff, 0xcb16,
+  0x1bf5, 0xcb1e, 0x1bea, 0xcb25, 0x1be0, 0xcb2c, 0x1bd5, 0xcb33,
+  0x1bcb, 0xcb3a, 0x1bc1, 0xcb41, 0x1bb6, 0xcb48, 0x1bac, 0xcb4f,
+  0x1ba2, 0xcb56, 0x1b97, 0xcb5e, 0x1b8d, 0xcb65, 0x1b83, 0xcb6c,
+  0x1b78, 0xcb73, 0x1b6e, 0xcb7a, 0x1b64, 0xcb81, 0x1b59, 0xcb89,
+  0x1b4f, 0xcb90, 0x1b45, 0xcb97, 0x1b3b, 0xcb9e, 0x1b30, 0xcba5,
+  0x1b26, 0xcbad, 0x1b1c, 0xcbb4, 0x1b11, 0xcbbb, 0x1b07, 0xcbc2,
+  0x1afd, 0xcbca, 0x1af3, 0xcbd1, 0x1ae8, 0xcbd8, 0x1ade, 0xcbe0,
+  0x1ad4, 0xcbe7, 0x1aca, 0xcbee, 0x1abf, 0xcbf5, 0x1ab5, 0xcbfd,
+  0x1aab, 0xcc04, 0x1aa1, 0xcc0b, 0x1a97, 0xcc13, 0x1a8c, 0xcc1a,
+  0x1a82, 0xcc21, 0x1a78, 0xcc29, 0x1a6e, 0xcc30, 0x1a64, 0xcc38,
+  0x1a5a, 0xcc3f, 0x1a4f, 0xcc46, 0x1a45, 0xcc4e, 0x1a3b, 0xcc55,
+  0x1a31, 0xcc5d, 0x1a27, 0xcc64, 0x1a1d, 0xcc6b, 0x1a13, 0xcc73,
+  0x1a08, 0xcc7a, 0x19fe, 0xcc82, 0x19f4, 0xcc89, 0x19ea, 0xcc91,
+  0x19e0, 0xcc98, 0x19d6, 0xcca0, 0x19cc, 0xcca7, 0x19c2, 0xccaf,
+  0x19b8, 0xccb6, 0x19ae, 0xccbe, 0x19a4, 0xccc5, 0x199a, 0xcccd,
+  0x198f, 0xccd4, 0x1985, 0xccdc, 0x197b, 0xcce3, 0x1971, 0xcceb,
+  0x1967, 0xccf3, 0x195d, 0xccfa, 0x1953, 0xcd02, 0x1949, 0xcd09,
+  0x193f, 0xcd11, 0x1935, 0xcd19, 0x192b, 0xcd20, 0x1921, 0xcd28,
+  0x1917, 0xcd30, 0x190d, 0xcd37, 0x1903, 0xcd3f, 0x18f9, 0xcd46,
+  0x18ef, 0xcd4e, 0x18e6, 0xcd56, 0x18dc, 0xcd5d, 0x18d2, 0xcd65,
+  0x18c8, 0xcd6d, 0x18be, 0xcd75, 0x18b4, 0xcd7c, 0x18aa, 0xcd84,
+  0x18a0, 0xcd8c, 0x1896, 0xcd93, 0x188c, 0xcd9b, 0x1882, 0xcda3,
+  0x1878, 0xcdab, 0x186f, 0xcdb2, 0x1865, 0xcdba, 0x185b, 0xcdc2,
+  0x1851, 0xcdca, 0x1847, 0xcdd2, 0x183d, 0xcdd9, 0x1833, 0xcde1,
+  0x182a, 0xcde9, 0x1820, 0xcdf1, 0x1816, 0xcdf9, 0x180c, 0xce01,
+  0x1802, 0xce08, 0x17f8, 0xce10, 0x17ef, 0xce18, 0x17e5, 0xce20,
+  0x17db, 0xce28, 0x17d1, 0xce30, 0x17c8, 0xce38, 0x17be, 0xce40,
+  0x17b4, 0xce47, 0x17aa, 0xce4f, 0x17a0, 0xce57, 0x1797, 0xce5f,
+  0x178d, 0xce67, 0x1783, 0xce6f, 0x177a, 0xce77, 0x1770, 0xce7f,
+  0x1766, 0xce87, 0x175c, 0xce8f, 0x1753, 0xce97, 0x1749, 0xce9f,
+  0x173f, 0xcea7, 0x1736, 0xceaf, 0x172c, 0xceb7, 0x1722, 0xcebf,
+  0x1719, 0xcec7, 0x170f, 0xcecf, 0x1705, 0xced7, 0x16fc, 0xcedf,
+  0x16f2, 0xcee7, 0x16e8, 0xceef, 0x16df, 0xcef7, 0x16d5, 0xceff,
+  0x16cb, 0xcf07, 0x16c2, 0xcf10, 0x16b8, 0xcf18, 0x16af, 0xcf20,
+  0x16a5, 0xcf28, 0x169b, 0xcf30, 0x1692, 0xcf38, 0x1688, 0xcf40,
+  0x167f, 0xcf48, 0x1675, 0xcf51, 0x166c, 0xcf59, 0x1662, 0xcf61,
+  0x1659, 0xcf69, 0x164f, 0xcf71, 0x1645, 0xcf79, 0x163c, 0xcf82,
+  0x1632, 0xcf8a, 0x1629, 0xcf92, 0x161f, 0xcf9a, 0x1616, 0xcfa3,
+  0x160c, 0xcfab, 0x1603, 0xcfb3, 0x15f9, 0xcfbb, 0x15f0, 0xcfc4,
+  0x15e6, 0xcfcc, 0x15dd, 0xcfd4, 0x15d4, 0xcfdc, 0x15ca, 0xcfe5,
+  0x15c1, 0xcfed, 0x15b7, 0xcff5, 0x15ae, 0xcffe, 0x15a4, 0xd006,
+  0x159b, 0xd00e, 0x1592, 0xd016, 0x1588, 0xd01f, 0x157f, 0xd027,
+  0x1575, 0xd030, 0x156c, 0xd038, 0x1563, 0xd040, 0x1559, 0xd049,
+  0x1550, 0xd051, 0x1547, 0xd059, 0x153d, 0xd062, 0x1534, 0xd06a,
+  0x152a, 0xd073, 0x1521, 0xd07b, 0x1518, 0xd083, 0x150e, 0xd08c,
+  0x1505, 0xd094, 0x14fc, 0xd09d, 0x14f3, 0xd0a5, 0x14e9, 0xd0ae,
+  0x14e0, 0xd0b6, 0x14d7, 0xd0bf, 0x14cd, 0xd0c7, 0x14c4, 0xd0d0,
+  0x14bb, 0xd0d8, 0x14b2, 0xd0e0, 0x14a8, 0xd0e9, 0x149f, 0xd0f2,
+  0x1496, 0xd0fa, 0x148d, 0xd103, 0x1483, 0xd10b, 0x147a, 0xd114,
+  0x1471, 0xd11c, 0x1468, 0xd125, 0x145f, 0xd12d, 0x1455, 0xd136,
+  0x144c, 0xd13e, 0x1443, 0xd147, 0x143a, 0xd150, 0x1431, 0xd158,
+  0x1428, 0xd161, 0x141e, 0xd169, 0x1415, 0xd172, 0x140c, 0xd17b,
+  0x1403, 0xd183, 0x13fa, 0xd18c, 0x13f1, 0xd195, 0x13e8, 0xd19d,
+  0x13df, 0xd1a6, 0x13d5, 0xd1af, 0x13cc, 0xd1b7, 0x13c3, 0xd1c0,
+  0x13ba, 0xd1c9, 0x13b1, 0xd1d1, 0x13a8, 0xd1da, 0x139f, 0xd1e3,
+  0x1396, 0xd1eb, 0x138d, 0xd1f4, 0x1384, 0xd1fd, 0x137b, 0xd206,
+  0x1372, 0xd20e, 0x1369, 0xd217, 0x1360, 0xd220, 0x1357, 0xd229,
+  0x134e, 0xd231, 0x1345, 0xd23a, 0x133c, 0xd243, 0x1333, 0xd24c,
+  0x132a, 0xd255, 0x1321, 0xd25d, 0x1318, 0xd266, 0x130f, 0xd26f,
+  0x1306, 0xd278, 0x12fd, 0xd281, 0x12f4, 0xd28a, 0x12eb, 0xd292,
+  0x12e2, 0xd29b, 0x12d9, 0xd2a4, 0x12d1, 0xd2ad, 0x12c8, 0xd2b6,
+  0x12bf, 0xd2bf, 0x12b6, 0xd2c8, 0x12ad, 0xd2d1, 0x12a4, 0xd2d9,
+  0x129b, 0xd2e2, 0x1292, 0xd2eb, 0x128a, 0xd2f4, 0x1281, 0xd2fd,
+  0x1278, 0xd306, 0x126f, 0xd30f, 0x1266, 0xd318, 0x125d, 0xd321,
+  0x1255, 0xd32a, 0x124c, 0xd333, 0x1243, 0xd33c, 0x123a, 0xd345,
+  0x1231, 0xd34e, 0x1229, 0xd357, 0x1220, 0xd360, 0x1217, 0xd369,
+  0x120e, 0xd372, 0x1206, 0xd37b, 0x11fd, 0xd384, 0x11f4, 0xd38d,
+  0x11eb, 0xd396, 0x11e3, 0xd39f, 0x11da, 0xd3a8, 0x11d1, 0xd3b1,
+  0x11c9, 0xd3ba, 0x11c0, 0xd3c3, 0x11b7, 0xd3cc, 0x11af, 0xd3d5,
+  0x11a6, 0xd3df, 0x119d, 0xd3e8, 0x1195, 0xd3f1, 0x118c, 0xd3fa,
+  0x1183, 0xd403, 0x117b, 0xd40c, 0x1172, 0xd415, 0x1169, 0xd41e,
+  0x1161, 0xd428, 0x1158, 0xd431, 0x1150, 0xd43a, 0x1147, 0xd443,
+  0x113e, 0xd44c, 0x1136, 0xd455, 0x112d, 0xd45f, 0x1125, 0xd468,
+  0x111c, 0xd471, 0x1114, 0xd47a, 0x110b, 0xd483, 0x1103, 0xd48d,
+  0x10fa, 0xd496, 0x10f2, 0xd49f, 0x10e9, 0xd4a8, 0x10e0, 0xd4b2,
+  0x10d8, 0xd4bb, 0x10d0, 0xd4c4, 0x10c7, 0xd4cd, 0x10bf, 0xd4d7,
+  0x10b6, 0xd4e0, 0x10ae, 0xd4e9, 0x10a5, 0xd4f3, 0x109d, 0xd4fc,
+  0x1094, 0xd505, 0x108c, 0xd50e, 0x1083, 0xd518, 0x107b, 0xd521,
+  0x1073, 0xd52a, 0x106a, 0xd534, 0x1062, 0xd53d, 0x1059, 0xd547,
+  0x1051, 0xd550, 0x1049, 0xd559, 0x1040, 0xd563, 0x1038, 0xd56c,
+  0x1030, 0xd575, 0x1027, 0xd57f, 0x101f, 0xd588, 0x1016, 0xd592,
+  0x100e, 0xd59b, 0x1006, 0xd5a4, 0xffe, 0xd5ae, 0xff5, 0xd5b7,
+  0xfed, 0xd5c1, 0xfe5, 0xd5ca, 0xfdc, 0xd5d4, 0xfd4, 0xd5dd,
+  0xfcc, 0xd5e6, 0xfc4, 0xd5f0, 0xfbb, 0xd5f9, 0xfb3, 0xd603,
+  0xfab, 0xd60c, 0xfa3, 0xd616, 0xf9a, 0xd61f, 0xf92, 0xd629,
+  0xf8a, 0xd632, 0xf82, 0xd63c, 0xf79, 0xd645, 0xf71, 0xd64f,
+  0xf69, 0xd659, 0xf61, 0xd662, 0xf59, 0xd66c, 0xf51, 0xd675,
+  0xf48, 0xd67f, 0xf40, 0xd688, 0xf38, 0xd692, 0xf30, 0xd69b,
+  0xf28, 0xd6a5, 0xf20, 0xd6af, 0xf18, 0xd6b8, 0xf10, 0xd6c2,
+  0xf07, 0xd6cb, 0xeff, 0xd6d5, 0xef7, 0xd6df, 0xeef, 0xd6e8,
+  0xee7, 0xd6f2, 0xedf, 0xd6fc, 0xed7, 0xd705, 0xecf, 0xd70f,
+  0xec7, 0xd719, 0xebf, 0xd722, 0xeb7, 0xd72c, 0xeaf, 0xd736,
+  0xea7, 0xd73f, 0xe9f, 0xd749, 0xe97, 0xd753, 0xe8f, 0xd75c,
+  0xe87, 0xd766, 0xe7f, 0xd770, 0xe77, 0xd77a, 0xe6f, 0xd783,
+  0xe67, 0xd78d, 0xe5f, 0xd797, 0xe57, 0xd7a0, 0xe4f, 0xd7aa,
+  0xe47, 0xd7b4, 0xe40, 0xd7be, 0xe38, 0xd7c8, 0xe30, 0xd7d1,
+  0xe28, 0xd7db, 0xe20, 0xd7e5, 0xe18, 0xd7ef, 0xe10, 0xd7f8,
+  0xe08, 0xd802, 0xe01, 0xd80c, 0xdf9, 0xd816, 0xdf1, 0xd820,
+  0xde9, 0xd82a, 0xde1, 0xd833, 0xdd9, 0xd83d, 0xdd2, 0xd847,
+  0xdca, 0xd851, 0xdc2, 0xd85b, 0xdba, 0xd865, 0xdb2, 0xd86f,
+  0xdab, 0xd878, 0xda3, 0xd882, 0xd9b, 0xd88c, 0xd93, 0xd896,
+  0xd8c, 0xd8a0, 0xd84, 0xd8aa, 0xd7c, 0xd8b4, 0xd75, 0xd8be,
+  0xd6d, 0xd8c8, 0xd65, 0xd8d2, 0xd5d, 0xd8dc, 0xd56, 0xd8e6,
+  0xd4e, 0xd8ef, 0xd46, 0xd8f9, 0xd3f, 0xd903, 0xd37, 0xd90d,
+  0xd30, 0xd917, 0xd28, 0xd921, 0xd20, 0xd92b, 0xd19, 0xd935,
+  0xd11, 0xd93f, 0xd09, 0xd949, 0xd02, 0xd953, 0xcfa, 0xd95d,
+  0xcf3, 0xd967, 0xceb, 0xd971, 0xce3, 0xd97b, 0xcdc, 0xd985,
+  0xcd4, 0xd98f, 0xccd, 0xd99a, 0xcc5, 0xd9a4, 0xcbe, 0xd9ae,
+  0xcb6, 0xd9b8, 0xcaf, 0xd9c2, 0xca7, 0xd9cc, 0xca0, 0xd9d6,
+  0xc98, 0xd9e0, 0xc91, 0xd9ea, 0xc89, 0xd9f4, 0xc82, 0xd9fe,
+  0xc7a, 0xda08, 0xc73, 0xda13, 0xc6b, 0xda1d, 0xc64, 0xda27,
+  0xc5d, 0xda31, 0xc55, 0xda3b, 0xc4e, 0xda45, 0xc46, 0xda4f,
+  0xc3f, 0xda5a, 0xc38, 0xda64, 0xc30, 0xda6e, 0xc29, 0xda78,
+  0xc21, 0xda82, 0xc1a, 0xda8c, 0xc13, 0xda97, 0xc0b, 0xdaa1,
+  0xc04, 0xdaab, 0xbfd, 0xdab5, 0xbf5, 0xdabf, 0xbee, 0xdaca,
+  0xbe7, 0xdad4, 0xbe0, 0xdade, 0xbd8, 0xdae8, 0xbd1, 0xdaf3,
+  0xbca, 0xdafd, 0xbc2, 0xdb07, 0xbbb, 0xdb11, 0xbb4, 0xdb1c,
+  0xbad, 0xdb26, 0xba5, 0xdb30, 0xb9e, 0xdb3b, 0xb97, 0xdb45,
+  0xb90, 0xdb4f, 0xb89, 0xdb59, 0xb81, 0xdb64, 0xb7a, 0xdb6e,
+  0xb73, 0xdb78, 0xb6c, 0xdb83, 0xb65, 0xdb8d, 0xb5e, 0xdb97,
+  0xb56, 0xdba2, 0xb4f, 0xdbac, 0xb48, 0xdbb6, 0xb41, 0xdbc1,
+  0xb3a, 0xdbcb, 0xb33, 0xdbd5, 0xb2c, 0xdbe0, 0xb25, 0xdbea,
+  0xb1e, 0xdbf5, 0xb16, 0xdbff, 0xb0f, 0xdc09, 0xb08, 0xdc14,
+  0xb01, 0xdc1e, 0xafa, 0xdc29, 0xaf3, 0xdc33, 0xaec, 0xdc3d,
+  0xae5, 0xdc48, 0xade, 0xdc52, 0xad7, 0xdc5d, 0xad0, 0xdc67,
+  0xac9, 0xdc72, 0xac2, 0xdc7c, 0xabb, 0xdc86, 0xab4, 0xdc91,
+  0xaad, 0xdc9b, 0xaa6, 0xdca6, 0xa9f, 0xdcb0, 0xa99, 0xdcbb,
+  0xa92, 0xdcc5, 0xa8b, 0xdcd0, 0xa84, 0xdcda, 0xa7d, 0xdce5,
+  0xa76, 0xdcef, 0xa6f, 0xdcfa, 0xa68, 0xdd04, 0xa61, 0xdd0f,
+  0xa5b, 0xdd19, 0xa54, 0xdd24, 0xa4d, 0xdd2e, 0xa46, 0xdd39,
+  0xa3f, 0xdd44, 0xa38, 0xdd4e, 0xa32, 0xdd59, 0xa2b, 0xdd63,
+  0xa24, 0xdd6e, 0xa1d, 0xdd78, 0xa16, 0xdd83, 0xa10, 0xdd8e,
+  0xa09, 0xdd98, 0xa02, 0xdda3, 0x9fb, 0xddad, 0x9f5, 0xddb8,
+  0x9ee, 0xddc3, 0x9e7, 0xddcd, 0x9e0, 0xddd8, 0x9da, 0xdde2,
+  0x9d3, 0xdded, 0x9cc, 0xddf8, 0x9c6, 0xde02, 0x9bf, 0xde0d,
+  0x9b8, 0xde18, 0x9b2, 0xde22, 0x9ab, 0xde2d, 0x9a4, 0xde38,
+  0x99e, 0xde42, 0x997, 0xde4d, 0x991, 0xde58, 0x98a, 0xde62,
+  0x983, 0xde6d, 0x97d, 0xde78, 0x976, 0xde83, 0x970, 0xde8d,
+  0x969, 0xde98, 0x963, 0xdea3, 0x95c, 0xdead, 0x955, 0xdeb8,
+  0x94f, 0xdec3, 0x948, 0xdece, 0x942, 0xded8, 0x93b, 0xdee3,
+  0x935, 0xdeee, 0x92e, 0xdef9, 0x928, 0xdf03, 0x921, 0xdf0e,
+  0x91b, 0xdf19, 0x915, 0xdf24, 0x90e, 0xdf2f, 0x908, 0xdf39,
+  0x901, 0xdf44, 0x8fb, 0xdf4f, 0x8f4, 0xdf5a, 0x8ee, 0xdf65,
+  0x8e8, 0xdf6f, 0x8e1, 0xdf7a, 0x8db, 0xdf85, 0x8d4, 0xdf90,
+  0x8ce, 0xdf9b, 0x8c8, 0xdfa5, 0x8c1, 0xdfb0, 0x8bb, 0xdfbb,
+  0x8b5, 0xdfc6, 0x8ae, 0xdfd1, 0x8a8, 0xdfdc, 0x8a2, 0xdfe7,
+  0x89b, 0xdff1, 0x895, 0xdffc, 0x88f, 0xe007, 0x889, 0xe012,
+  0x882, 0xe01d, 0x87c, 0xe028, 0x876, 0xe033, 0x870, 0xe03e,
+  0x869, 0xe049, 0x863, 0xe054, 0x85d, 0xe05e, 0x857, 0xe069,
+  0x850, 0xe074, 0x84a, 0xe07f, 0x844, 0xe08a, 0x83e, 0xe095,
+  0x838, 0xe0a0, 0x832, 0xe0ab, 0x82b, 0xe0b6, 0x825, 0xe0c1,
+  0x81f, 0xe0cc, 0x819, 0xe0d7, 0x813, 0xe0e2, 0x80d, 0xe0ed,
+  0x807, 0xe0f8, 0x801, 0xe103, 0x7fb, 0xe10e, 0x7f5, 0xe119,
+  0x7ee, 0xe124, 0x7e8, 0xe12f, 0x7e2, 0xe13a, 0x7dc, 0xe145,
+  0x7d6, 0xe150, 0x7d0, 0xe15b, 0x7ca, 0xe166, 0x7c4, 0xe171,
+  0x7be, 0xe17c, 0x7b8, 0xe187, 0x7b2, 0xe192, 0x7ac, 0xe19d,
+  0x7a6, 0xe1a8, 0x7a0, 0xe1b3, 0x79a, 0xe1be, 0x795, 0xe1ca,
+  0x78f, 0xe1d5, 0x789, 0xe1e0, 0x783, 0xe1eb, 0x77d, 0xe1f6,
+  0x777, 0xe201, 0x771, 0xe20c, 0x76b, 0xe217, 0x765, 0xe222,
+  0x75f, 0xe22d, 0x75a, 0xe239, 0x754, 0xe244, 0x74e, 0xe24f,
+  0x748, 0xe25a, 0x742, 0xe265, 0x73d, 0xe270, 0x737, 0xe27b,
+  0x731, 0xe287, 0x72b, 0xe292, 0x725, 0xe29d, 0x720, 0xe2a8,
+  0x71a, 0xe2b3, 0x714, 0xe2be, 0x70e, 0xe2ca, 0x709, 0xe2d5,
+  0x703, 0xe2e0, 0x6fd, 0xe2eb, 0x6f7, 0xe2f6, 0x6f2, 0xe301,
+  0x6ec, 0xe30d, 0x6e6, 0xe318, 0x6e1, 0xe323, 0x6db, 0xe32e,
+  0x6d5, 0xe33a, 0x6d0, 0xe345, 0x6ca, 0xe350, 0x6c5, 0xe35b,
+  0x6bf, 0xe367, 0x6b9, 0xe372, 0x6b4, 0xe37d, 0x6ae, 0xe388,
+  0x6a8, 0xe394, 0x6a3, 0xe39f, 0x69d, 0xe3aa, 0x698, 0xe3b5,
+  0x692, 0xe3c1, 0x68d, 0xe3cc, 0x687, 0xe3d7, 0x682, 0xe3e2,
+  0x67c, 0xe3ee, 0x677, 0xe3f9, 0x671, 0xe404, 0x66c, 0xe410,
+  0x666, 0xe41b, 0x661, 0xe426, 0x65b, 0xe432, 0x656, 0xe43d,
+  0x650, 0xe448, 0x64b, 0xe454, 0x645, 0xe45f, 0x640, 0xe46a,
+  0x63b, 0xe476, 0x635, 0xe481, 0x630, 0xe48c, 0x62a, 0xe498,
+  0x625, 0xe4a3, 0x620, 0xe4ae, 0x61a, 0xe4ba, 0x615, 0xe4c5,
+  0x610, 0xe4d0, 0x60a, 0xe4dc, 0x605, 0xe4e7, 0x600, 0xe4f3,
+  0x5fa, 0xe4fe, 0x5f5, 0xe509, 0x5f0, 0xe515, 0x5ea, 0xe520,
+  0x5e5, 0xe52c, 0x5e0, 0xe537, 0x5db, 0xe542, 0x5d5, 0xe54e,
+  0x5d0, 0xe559, 0x5cb, 0xe565, 0x5c6, 0xe570, 0x5c1, 0xe57c,
+  0x5bb, 0xe587, 0x5b6, 0xe592, 0x5b1, 0xe59e, 0x5ac, 0xe5a9,
+  0x5a7, 0xe5b5, 0x5a1, 0xe5c0, 0x59c, 0xe5cc, 0x597, 0xe5d7,
+  0x592, 0xe5e3, 0x58d, 0xe5ee, 0x588, 0xe5fa, 0x583, 0xe605,
+  0x57e, 0xe611, 0x578, 0xe61c, 0x573, 0xe628, 0x56e, 0xe633,
+  0x569, 0xe63f, 0x564, 0xe64a, 0x55f, 0xe656, 0x55a, 0xe661,
+  0x555, 0xe66d, 0x550, 0xe678, 0x54b, 0xe684, 0x546, 0xe68f,
+  0x541, 0xe69b, 0x53c, 0xe6a6, 0x537, 0xe6b2, 0x532, 0xe6bd,
+  0x52d, 0xe6c9, 0x528, 0xe6d4, 0x523, 0xe6e0, 0x51e, 0xe6ec,
+  0x51a, 0xe6f7, 0x515, 0xe703, 0x510, 0xe70e, 0x50b, 0xe71a,
+  0x506, 0xe725, 0x501, 0xe731, 0x4fc, 0xe73d, 0x4f7, 0xe748,
+  0x4f2, 0xe754, 0x4ee, 0xe75f, 0x4e9, 0xe76b, 0x4e4, 0xe777,
+  0x4df, 0xe782, 0x4da, 0xe78e, 0x4d6, 0xe799, 0x4d1, 0xe7a5,
+  0x4cc, 0xe7b1, 0x4c7, 0xe7bc, 0x4c2, 0xe7c8, 0x4be, 0xe7d3,
+  0x4b9, 0xe7df, 0x4b4, 0xe7eb, 0x4b0, 0xe7f6, 0x4ab, 0xe802,
+  0x4a6, 0xe80e, 0x4a1, 0xe819, 0x49d, 0xe825, 0x498, 0xe831,
+  0x493, 0xe83c, 0x48f, 0xe848, 0x48a, 0xe854, 0x485, 0xe85f,
+  0x481, 0xe86b, 0x47c, 0xe877, 0x478, 0xe882, 0x473, 0xe88e,
+  0x46e, 0xe89a, 0x46a, 0xe8a5, 0x465, 0xe8b1, 0x461, 0xe8bd,
+  0x45c, 0xe8c9, 0x457, 0xe8d4, 0x453, 0xe8e0, 0x44e, 0xe8ec,
+  0x44a, 0xe8f7, 0x445, 0xe903, 0x441, 0xe90f, 0x43c, 0xe91b,
+  0x438, 0xe926, 0x433, 0xe932, 0x42f, 0xe93e, 0x42a, 0xe94a,
+  0x426, 0xe955, 0x422, 0xe961, 0x41d, 0xe96d, 0x419, 0xe979,
+  0x414, 0xe984, 0x410, 0xe990, 0x40b, 0xe99c, 0x407, 0xe9a8,
+  0x403, 0xe9b4, 0x3fe, 0xe9bf, 0x3fa, 0xe9cb, 0x3f6, 0xe9d7,
+  0x3f1, 0xe9e3, 0x3ed, 0xe9ee, 0x3e9, 0xe9fa, 0x3e4, 0xea06,
+  0x3e0, 0xea12, 0x3dc, 0xea1e, 0x3d7, 0xea29, 0x3d3, 0xea35,
+  0x3cf, 0xea41, 0x3ca, 0xea4d, 0x3c6, 0xea59, 0x3c2, 0xea65,
+  0x3be, 0xea70, 0x3ba, 0xea7c, 0x3b5, 0xea88, 0x3b1, 0xea94,
+  0x3ad, 0xeaa0, 0x3a9, 0xeaac, 0x3a5, 0xeab7, 0x3a0, 0xeac3,
+  0x39c, 0xeacf, 0x398, 0xeadb, 0x394, 0xeae7, 0x390, 0xeaf3,
+  0x38c, 0xeaff, 0x387, 0xeb0a, 0x383, 0xeb16, 0x37f, 0xeb22,
+  0x37b, 0xeb2e, 0x377, 0xeb3a, 0x373, 0xeb46, 0x36f, 0xeb52,
+  0x36b, 0xeb5e, 0x367, 0xeb6a, 0x363, 0xeb75, 0x35f, 0xeb81,
+  0x35b, 0xeb8d, 0x357, 0xeb99, 0x353, 0xeba5, 0x34f, 0xebb1,
+  0x34b, 0xebbd, 0x347, 0xebc9, 0x343, 0xebd5, 0x33f, 0xebe1,
+  0x33b, 0xebed, 0x337, 0xebf9, 0x333, 0xec05, 0x32f, 0xec10,
+  0x32b, 0xec1c, 0x327, 0xec28, 0x323, 0xec34, 0x320, 0xec40,
+  0x31c, 0xec4c, 0x318, 0xec58, 0x314, 0xec64, 0x310, 0xec70,
+  0x30c, 0xec7c, 0x308, 0xec88, 0x305, 0xec94, 0x301, 0xeca0,
+  0x2fd, 0xecac, 0x2f9, 0xecb8, 0x2f5, 0xecc4, 0x2f2, 0xecd0,
+  0x2ee, 0xecdc, 0x2ea, 0xece8, 0x2e6, 0xecf4, 0x2e3, 0xed00,
+  0x2df, 0xed0c, 0x2db, 0xed18, 0x2d8, 0xed24, 0x2d4, 0xed30,
+  0x2d0, 0xed3c, 0x2cc, 0xed48, 0x2c9, 0xed54, 0x2c5, 0xed60,
+  0x2c1, 0xed6c, 0x2be, 0xed78, 0x2ba, 0xed84, 0x2b7, 0xed90,
+  0x2b3, 0xed9c, 0x2af, 0xeda8, 0x2ac, 0xedb4, 0x2a8, 0xedc0,
+  0x2a5, 0xedcc, 0x2a1, 0xedd8, 0x29d, 0xede4, 0x29a, 0xedf0,
+  0x296, 0xedfc, 0x293, 0xee09, 0x28f, 0xee15, 0x28c, 0xee21,
+  0x288, 0xee2d, 0x285, 0xee39, 0x281, 0xee45, 0x27e, 0xee51,
+  0x27a, 0xee5d, 0x277, 0xee69, 0x273, 0xee75, 0x270, 0xee81,
+  0x26d, 0xee8d, 0x269, 0xee99, 0x266, 0xeea6, 0x262, 0xeeb2,
+  0x25f, 0xeebe, 0x25c, 0xeeca, 0x258, 0xeed6, 0x255, 0xeee2,
+  0x251, 0xeeee, 0x24e, 0xeefa, 0x24b, 0xef06, 0x247, 0xef13,
+  0x244, 0xef1f, 0x241, 0xef2b, 0x23e, 0xef37, 0x23a, 0xef43,
+  0x237, 0xef4f, 0x234, 0xef5b, 0x230, 0xef67, 0x22d, 0xef74,
+  0x22a, 0xef80, 0x227, 0xef8c, 0x223, 0xef98, 0x220, 0xefa4,
+  0x21d, 0xefb0, 0x21a, 0xefbc, 0x217, 0xefc9, 0x213, 0xefd5,
+  0x210, 0xefe1, 0x20d, 0xefed, 0x20a, 0xeff9, 0x207, 0xf005,
+  0x204, 0xf012, 0x201, 0xf01e, 0x1fd, 0xf02a, 0x1fa, 0xf036,
+  0x1f7, 0xf042, 0x1f4, 0xf04e, 0x1f1, 0xf05b, 0x1ee, 0xf067,
+  0x1eb, 0xf073, 0x1e8, 0xf07f, 0x1e5, 0xf08b, 0x1e2, 0xf098,
+  0x1df, 0xf0a4, 0x1dc, 0xf0b0, 0x1d9, 0xf0bc, 0x1d6, 0xf0c8,
+  0x1d3, 0xf0d5, 0x1d0, 0xf0e1, 0x1cd, 0xf0ed, 0x1ca, 0xf0f9,
+  0x1c7, 0xf105, 0x1c4, 0xf112, 0x1c1, 0xf11e, 0x1be, 0xf12a,
+  0x1bb, 0xf136, 0x1b8, 0xf143, 0x1b6, 0xf14f, 0x1b3, 0xf15b,
+  0x1b0, 0xf167, 0x1ad, 0xf174, 0x1aa, 0xf180, 0x1a7, 0xf18c,
+  0x1a4, 0xf198, 0x1a2, 0xf1a4, 0x19f, 0xf1b1, 0x19c, 0xf1bd,
+  0x199, 0xf1c9, 0x196, 0xf1d5, 0x194, 0xf1e2, 0x191, 0xf1ee,
+  0x18e, 0xf1fa, 0x18b, 0xf207, 0x189, 0xf213, 0x186, 0xf21f,
+  0x183, 0xf22b, 0x180, 0xf238, 0x17e, 0xf244, 0x17b, 0xf250,
+  0x178, 0xf25c, 0x176, 0xf269, 0x173, 0xf275, 0x170, 0xf281,
+  0x16e, 0xf28e, 0x16b, 0xf29a, 0x168, 0xf2a6, 0x166, 0xf2b2,
+  0x163, 0xf2bf, 0x161, 0xf2cb, 0x15e, 0xf2d7, 0x15b, 0xf2e4,
+  0x159, 0xf2f0, 0x156, 0xf2fc, 0x154, 0xf308, 0x151, 0xf315,
+  0x14f, 0xf321, 0x14c, 0xf32d, 0x14a, 0xf33a, 0x147, 0xf346,
+  0x145, 0xf352, 0x142, 0xf35f, 0x140, 0xf36b, 0x13d, 0xf377,
+  0x13b, 0xf384, 0x138, 0xf390, 0x136, 0xf39c, 0x134, 0xf3a9,
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+  0xc0, 0xf639, 0xbe, 0xf645, 0xbd, 0xf651, 0xbb, 0xf65e,
+  0xb9, 0xf66a, 0xb7, 0xf677, 0xb5, 0xf683, 0xb3, 0xf690,
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+  0xa3, 0xf6ff, 0xa1, 0xf70c, 0x9f, 0xf718, 0x9e, 0xf725,
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+  0x4f, 0xf9ba, 0x4e, 0xf9c7, 0x4c, 0xf9d3, 0x4b, 0xf9e0,
+  0x4a, 0xf9ec, 0x49, 0xf9f9, 0x48, 0xfa05, 0x47, 0xfa12,
+  0x45, 0xfa1e, 0x44, 0xfa2b, 0x43, 0xfa37, 0x42, 0xfa44,
+  0x41, 0xfa50, 0x40, 0xfa5d, 0x3f, 0xfa69, 0x3d, 0xfa76,
+  0x3c, 0xfa82, 0x3b, 0xfa8f, 0x3a, 0xfa9b, 0x39, 0xfaa8,
+  0x38, 0xfab4, 0x37, 0xfac1, 0x36, 0xfacd, 0x35, 0xfada,
+  0x34, 0xfae6, 0x33, 0xfaf3, 0x32, 0xfb00, 0x31, 0xfb0c,
+  0x30, 0xfb19, 0x2f, 0xfb25, 0x2e, 0xfb32, 0x2d, 0xfb3e,
+  0x2c, 0xfb4b, 0x2b, 0xfb57, 0x2b, 0xfb64, 0x2a, 0xfb70,
+  0x29, 0xfb7d, 0x28, 0xfb89, 0x27, 0xfb96, 0x26, 0xfba2,
+  0x25, 0xfbaf, 0x24, 0xfbbc, 0x24, 0xfbc8, 0x23, 0xfbd5,
+  0x22, 0xfbe1, 0x21, 0xfbee, 0x20, 0xfbfa, 0x20, 0xfc07,
+  0x1f, 0xfc13, 0x1e, 0xfc20, 0x1d, 0xfc2c, 0x1d, 0xfc39,
+  0x1c, 0xfc45, 0x1b, 0xfc52, 0x1a, 0xfc5f, 0x1a, 0xfc6b,
+  0x19, 0xfc78, 0x18, 0xfc84, 0x18, 0xfc91, 0x17, 0xfc9d,
+  0x16, 0xfcaa, 0x16, 0xfcb6, 0x15, 0xfcc3, 0x14, 0xfcd0,
+  0x14, 0xfcdc, 0x13, 0xfce9, 0x13, 0xfcf5, 0x12, 0xfd02,
+  0x11, 0xfd0e, 0x11, 0xfd1b, 0x10, 0xfd27, 0x10, 0xfd34,
+  0xf, 0xfd40, 0xf, 0xfd4d, 0xe, 0xfd5a, 0xe, 0xfd66,
+  0xd, 0xfd73, 0xd, 0xfd7f, 0xc, 0xfd8c, 0xc, 0xfd98,
+  0xb, 0xfda5, 0xb, 0xfdb2, 0xa, 0xfdbe, 0xa, 0xfdcb,
+  0x9, 0xfdd7, 0x9, 0xfde4, 0x9, 0xfdf0, 0x8, 0xfdfd,
+  0x8, 0xfe09, 0x7, 0xfe16, 0x7, 0xfe23, 0x7, 0xfe2f,
+  0x6, 0xfe3c, 0x6, 0xfe48, 0x6, 0xfe55, 0x5, 0xfe61,
+  0x5, 0xfe6e, 0x5, 0xfe7a, 0x4, 0xfe87, 0x4, 0xfe94,
+  0x4, 0xfea0, 0x4, 0xfead, 0x3, 0xfeb9, 0x3, 0xfec6,
+  0x3, 0xfed2, 0x3, 0xfedf, 0x2, 0xfeec, 0x2, 0xfef8,
+  0x2, 0xff05, 0x2, 0xff11, 0x2, 0xff1e, 0x1, 0xff2a,
+  0x1, 0xff37, 0x1, 0xff44, 0x1, 0xff50, 0x1, 0xff5d,
+  0x1, 0xff69, 0x1, 0xff76, 0x0, 0xff82, 0x0, 0xff8f,
+  0x0, 0xff9b, 0x0, 0xffa8, 0x0, 0xffb5, 0x0, 0xffc1,
+  0x0, 0xffce, 0x0, 0xffda, 0x0, 0xffe7, 0x0, 0xfff3,
+  0x0, 0x0, 0x0, 0xd, 0x0, 0x19, 0x0, 0x26,
+  0x0, 0x32, 0x0, 0x3f, 0x0, 0x4b, 0x0, 0x58,
+  0x0, 0x65, 0x0, 0x71, 0x0, 0x7e, 0x1, 0x8a,
+  0x1, 0x97, 0x1, 0xa3, 0x1, 0xb0, 0x1, 0xbc,
+  0x1, 0xc9, 0x1, 0xd6, 0x2, 0xe2, 0x2, 0xef,
+  0x2, 0xfb, 0x2, 0x108, 0x2, 0x114, 0x3, 0x121,
+  0x3, 0x12e, 0x3, 0x13a, 0x3, 0x147, 0x4, 0x153,
+  0x4, 0x160, 0x4, 0x16c, 0x4, 0x179, 0x5, 0x186,
+  0x5, 0x192, 0x5, 0x19f, 0x6, 0x1ab, 0x6, 0x1b8,
+  0x6, 0x1c4, 0x7, 0x1d1, 0x7, 0x1dd, 0x7, 0x1ea,
+  0x8, 0x1f7, 0x8, 0x203, 0x9, 0x210, 0x9, 0x21c,
+  0x9, 0x229, 0xa, 0x235, 0xa, 0x242, 0xb, 0x24e,
+  0xb, 0x25b, 0xc, 0x268, 0xc, 0x274, 0xd, 0x281,
+  0xd, 0x28d, 0xe, 0x29a, 0xe, 0x2a6, 0xf, 0x2b3,
+  0xf, 0x2c0, 0x10, 0x2cc, 0x10, 0x2d9, 0x11, 0x2e5,
+  0x11, 0x2f2, 0x12, 0x2fe, 0x13, 0x30b, 0x13, 0x317,
+  0x14, 0x324, 0x14, 0x330, 0x15, 0x33d, 0x16, 0x34a,
+  0x16, 0x356, 0x17, 0x363, 0x18, 0x36f, 0x18, 0x37c,
+  0x19, 0x388, 0x1a, 0x395, 0x1a, 0x3a1, 0x1b, 0x3ae,
+  0x1c, 0x3bb, 0x1d, 0x3c7, 0x1d, 0x3d4, 0x1e, 0x3e0,
+  0x1f, 0x3ed, 0x20, 0x3f9, 0x20, 0x406, 0x21, 0x412,
+  0x22, 0x41f, 0x23, 0x42b, 0x24, 0x438, 0x24, 0x444,
+  0x25, 0x451, 0x26, 0x45e, 0x27, 0x46a, 0x28, 0x477,
+  0x29, 0x483, 0x2a, 0x490, 0x2b, 0x49c, 0x2b, 0x4a9,
+  0x2c, 0x4b5, 0x2d, 0x4c2, 0x2e, 0x4ce, 0x2f, 0x4db,
+  0x30, 0x4e7, 0x31, 0x4f4, 0x32, 0x500, 0x33, 0x50d,
+  0x34, 0x51a, 0x35, 0x526, 0x36, 0x533, 0x37, 0x53f,
+  0x38, 0x54c, 0x39, 0x558, 0x3a, 0x565, 0x3b, 0x571,
+  0x3c, 0x57e, 0x3d, 0x58a, 0x3f, 0x597, 0x40, 0x5a3,
+  0x41, 0x5b0, 0x42, 0x5bc, 0x43, 0x5c9, 0x44, 0x5d5,
+  0x45, 0x5e2, 0x47, 0x5ee, 0x48, 0x5fb, 0x49, 0x607,
+  0x4a, 0x614, 0x4b, 0x620, 0x4c, 0x62d, 0x4e, 0x639,
+  0x4f, 0x646, 0x50, 0x652, 0x51, 0x65f, 0x53, 0x66b,
+  0x54, 0x678, 0x55, 0x684, 0x56, 0x691, 0x58, 0x69d,
+  0x59, 0x6aa, 0x5a, 0x6b6, 0x5c, 0x6c3, 0x5d, 0x6cf,
+  0x5e, 0x6dc, 0x60, 0x6e8, 0x61, 0x6f5, 0x62, 0x701,
+  0x64, 0x70e, 0x65, 0x71a, 0x67, 0x727, 0x68, 0x733,
+  0x69, 0x740, 0x6b, 0x74c, 0x6c, 0x759, 0x6e, 0x765,
+  0x6f, 0x772, 0x71, 0x77e, 0x72, 0x78b, 0x74, 0x797,
+  0x75, 0x7a4, 0x77, 0x7b0, 0x78, 0x7bd, 0x7a, 0x7c9,
+  0x7b, 0x7d6, 0x7d, 0x7e2, 0x7e, 0x7ef, 0x80, 0x7fb,
+  0x81, 0x807, 0x83, 0x814, 0x85, 0x820, 0x86, 0x82d,
+  0x88, 0x839, 0x89, 0x846, 0x8b, 0x852, 0x8d, 0x85f,
+  0x8e, 0x86b, 0x90, 0x878, 0x92, 0x884, 0x93, 0x891,
+  0x95, 0x89d, 0x97, 0x8a9, 0x98, 0x8b6, 0x9a, 0x8c2,
+  0x9c, 0x8cf, 0x9e, 0x8db, 0x9f, 0x8e8, 0xa1, 0x8f4,
+  0xa3, 0x901, 0xa5, 0x90d, 0xa6, 0x919, 0xa8, 0x926,
+  0xaa, 0x932, 0xac, 0x93f, 0xae, 0x94b, 0xaf, 0x958,
+  0xb1, 0x964, 0xb3, 0x970, 0xb5, 0x97d, 0xb7, 0x989,
+  0xb9, 0x996, 0xbb, 0x9a2, 0xbd, 0x9af, 0xbe, 0x9bb,
+  0xc0, 0x9c7, 0xc2, 0x9d4, 0xc4, 0x9e0, 0xc6, 0x9ed,
+  0xc8, 0x9f9, 0xca, 0xa06, 0xcc, 0xa12, 0xce, 0xa1e,
+  0xd0, 0xa2b, 0xd2, 0xa37, 0xd4, 0xa44, 0xd6, 0xa50,
+  0xd8, 0xa5c, 0xda, 0xa69, 0xdc, 0xa75, 0xde, 0xa82,
+  0xe0, 0xa8e, 0xe2, 0xa9a, 0xe4, 0xaa7, 0xe7, 0xab3,
+  0xe9, 0xac0, 0xeb, 0xacc, 0xed, 0xad8, 0xef, 0xae5,
+  0xf1, 0xaf1, 0xf3, 0xafd, 0xf6, 0xb0a, 0xf8, 0xb16,
+  0xfa, 0xb23, 0xfc, 0xb2f, 0xfe, 0xb3b, 0x100, 0xb48,
+  0x103, 0xb54, 0x105, 0xb60, 0x107, 0xb6d, 0x109, 0xb79,
+  0x10c, 0xb85, 0x10e, 0xb92, 0x110, 0xb9e, 0x113, 0xbab,
+  0x115, 0xbb7, 0x117, 0xbc3, 0x119, 0xbd0, 0x11c, 0xbdc,
+  0x11e, 0xbe8, 0x120, 0xbf5, 0x123, 0xc01, 0x125, 0xc0d,
+  0x128, 0xc1a, 0x12a, 0xc26, 0x12c, 0xc32, 0x12f, 0xc3f,
+  0x131, 0xc4b, 0x134, 0xc57, 0x136, 0xc64, 0x138, 0xc70,
+  0x13b, 0xc7c, 0x13d, 0xc89, 0x140, 0xc95, 0x142, 0xca1,
+  0x145, 0xcae, 0x147, 0xcba, 0x14a, 0xcc6, 0x14c, 0xcd3,
+  0x14f, 0xcdf, 0x151, 0xceb, 0x154, 0xcf8, 0x156, 0xd04,
+  0x159, 0xd10, 0x15b, 0xd1c, 0x15e, 0xd29, 0x161, 0xd35,
+  0x163, 0xd41, 0x166, 0xd4e, 0x168, 0xd5a, 0x16b, 0xd66,
+  0x16e, 0xd72, 0x170, 0xd7f, 0x173, 0xd8b, 0x176, 0xd97,
+  0x178, 0xda4, 0x17b, 0xdb0, 0x17e, 0xdbc, 0x180, 0xdc8,
+  0x183, 0xdd5, 0x186, 0xde1, 0x189, 0xded, 0x18b, 0xdf9,
+  0x18e, 0xe06, 0x191, 0xe12, 0x194, 0xe1e, 0x196, 0xe2b,
+  0x199, 0xe37, 0x19c, 0xe43, 0x19f, 0xe4f, 0x1a2, 0xe5c,
+  0x1a4, 0xe68, 0x1a7, 0xe74, 0x1aa, 0xe80, 0x1ad, 0xe8c,
+  0x1b0, 0xe99, 0x1b3, 0xea5, 0x1b6, 0xeb1, 0x1b8, 0xebd,
+  0x1bb, 0xeca, 0x1be, 0xed6, 0x1c1, 0xee2, 0x1c4, 0xeee,
+  0x1c7, 0xefb, 0x1ca, 0xf07, 0x1cd, 0xf13, 0x1d0, 0xf1f,
+  0x1d3, 0xf2b, 0x1d6, 0xf38, 0x1d9, 0xf44, 0x1dc, 0xf50,
+  0x1df, 0xf5c, 0x1e2, 0xf68, 0x1e5, 0xf75, 0x1e8, 0xf81,
+  0x1eb, 0xf8d, 0x1ee, 0xf99, 0x1f1, 0xfa5, 0x1f4, 0xfb2,
+  0x1f7, 0xfbe, 0x1fa, 0xfca, 0x1fd, 0xfd6, 0x201, 0xfe2,
+  0x204, 0xfee, 0x207, 0xffb, 0x20a, 0x1007, 0x20d, 0x1013,
+  0x210, 0x101f, 0x213, 0x102b, 0x217, 0x1037, 0x21a, 0x1044,
+  0x21d, 0x1050, 0x220, 0x105c, 0x223, 0x1068, 0x227, 0x1074,
+  0x22a, 0x1080, 0x22d, 0x108c, 0x230, 0x1099, 0x234, 0x10a5,
+  0x237, 0x10b1, 0x23a, 0x10bd, 0x23e, 0x10c9, 0x241, 0x10d5,
+  0x244, 0x10e1, 0x247, 0x10ed, 0x24b, 0x10fa, 0x24e, 0x1106,
+  0x251, 0x1112, 0x255, 0x111e, 0x258, 0x112a, 0x25c, 0x1136,
+  0x25f, 0x1142, 0x262, 0x114e, 0x266, 0x115a, 0x269, 0x1167,
+  0x26d, 0x1173, 0x270, 0x117f, 0x273, 0x118b, 0x277, 0x1197,
+  0x27a, 0x11a3, 0x27e, 0x11af, 0x281, 0x11bb, 0x285, 0x11c7,
+  0x288, 0x11d3, 0x28c, 0x11df, 0x28f, 0x11eb, 0x293, 0x11f7,
+  0x296, 0x1204, 0x29a, 0x1210, 0x29d, 0x121c, 0x2a1, 0x1228,
+  0x2a5, 0x1234, 0x2a8, 0x1240, 0x2ac, 0x124c, 0x2af, 0x1258,
+  0x2b3, 0x1264, 0x2b7, 0x1270, 0x2ba, 0x127c, 0x2be, 0x1288,
+  0x2c1, 0x1294, 0x2c5, 0x12a0, 0x2c9, 0x12ac, 0x2cc, 0x12b8,
+  0x2d0, 0x12c4, 0x2d4, 0x12d0, 0x2d8, 0x12dc, 0x2db, 0x12e8,
+  0x2df, 0x12f4, 0x2e3, 0x1300, 0x2e6, 0x130c, 0x2ea, 0x1318,
+  0x2ee, 0x1324, 0x2f2, 0x1330, 0x2f5, 0x133c, 0x2f9, 0x1348,
+  0x2fd, 0x1354, 0x301, 0x1360, 0x305, 0x136c, 0x308, 0x1378,
+  0x30c, 0x1384, 0x310, 0x1390, 0x314, 0x139c, 0x318, 0x13a8,
+  0x31c, 0x13b4, 0x320, 0x13c0, 0x323, 0x13cc, 0x327, 0x13d8,
+  0x32b, 0x13e4, 0x32f, 0x13f0, 0x333, 0x13fb, 0x337, 0x1407,
+  0x33b, 0x1413, 0x33f, 0x141f, 0x343, 0x142b, 0x347, 0x1437,
+  0x34b, 0x1443, 0x34f, 0x144f, 0x353, 0x145b, 0x357, 0x1467,
+  0x35b, 0x1473, 0x35f, 0x147f, 0x363, 0x148b, 0x367, 0x1496,
+  0x36b, 0x14a2, 0x36f, 0x14ae, 0x373, 0x14ba, 0x377, 0x14c6,
+  0x37b, 0x14d2, 0x37f, 0x14de, 0x383, 0x14ea, 0x387, 0x14f6,
+  0x38c, 0x1501, 0x390, 0x150d, 0x394, 0x1519, 0x398, 0x1525,
+  0x39c, 0x1531, 0x3a0, 0x153d, 0x3a5, 0x1549, 0x3a9, 0x1554,
+  0x3ad, 0x1560, 0x3b1, 0x156c, 0x3b5, 0x1578, 0x3ba, 0x1584,
+  0x3be, 0x1590, 0x3c2, 0x159b, 0x3c6, 0x15a7, 0x3ca, 0x15b3,
+  0x3cf, 0x15bf, 0x3d3, 0x15cb, 0x3d7, 0x15d7, 0x3dc, 0x15e2,
+  0x3e0, 0x15ee, 0x3e4, 0x15fa, 0x3e9, 0x1606, 0x3ed, 0x1612,
+  0x3f1, 0x161d, 0x3f6, 0x1629, 0x3fa, 0x1635, 0x3fe, 0x1641,
+  0x403, 0x164c, 0x407, 0x1658, 0x40b, 0x1664, 0x410, 0x1670,
+  0x414, 0x167c, 0x419, 0x1687, 0x41d, 0x1693, 0x422, 0x169f,
+  0x426, 0x16ab, 0x42a, 0x16b6, 0x42f, 0x16c2, 0x433, 0x16ce,
+  0x438, 0x16da, 0x43c, 0x16e5, 0x441, 0x16f1, 0x445, 0x16fd,
+  0x44a, 0x1709, 0x44e, 0x1714, 0x453, 0x1720, 0x457, 0x172c,
+  0x45c, 0x1737, 0x461, 0x1743, 0x465, 0x174f, 0x46a, 0x175b,
+  0x46e, 0x1766, 0x473, 0x1772, 0x478, 0x177e, 0x47c, 0x1789,
+  0x481, 0x1795, 0x485, 0x17a1, 0x48a, 0x17ac, 0x48f, 0x17b8,
+  0x493, 0x17c4, 0x498, 0x17cf, 0x49d, 0x17db, 0x4a1, 0x17e7,
+  0x4a6, 0x17f2, 0x4ab, 0x17fe, 0x4b0, 0x180a, 0x4b4, 0x1815,
+  0x4b9, 0x1821, 0x4be, 0x182d, 0x4c2, 0x1838, 0x4c7, 0x1844,
+  0x4cc, 0x184f, 0x4d1, 0x185b, 0x4d6, 0x1867, 0x4da, 0x1872,
+  0x4df, 0x187e, 0x4e4, 0x1889, 0x4e9, 0x1895, 0x4ee, 0x18a1,
+  0x4f2, 0x18ac, 0x4f7, 0x18b8, 0x4fc, 0x18c3, 0x501, 0x18cf,
+  0x506, 0x18db, 0x50b, 0x18e6, 0x510, 0x18f2, 0x515, 0x18fd,
+  0x51a, 0x1909, 0x51e, 0x1914, 0x523, 0x1920, 0x528, 0x192c,
+  0x52d, 0x1937, 0x532, 0x1943, 0x537, 0x194e, 0x53c, 0x195a,
+  0x541, 0x1965, 0x546, 0x1971, 0x54b, 0x197c, 0x550, 0x1988,
+  0x555, 0x1993, 0x55a, 0x199f, 0x55f, 0x19aa, 0x564, 0x19b6,
+  0x569, 0x19c1, 0x56e, 0x19cd, 0x573, 0x19d8, 0x578, 0x19e4,
+  0x57e, 0x19ef, 0x583, 0x19fb, 0x588, 0x1a06, 0x58d, 0x1a12,
+  0x592, 0x1a1d, 0x597, 0x1a29, 0x59c, 0x1a34, 0x5a1, 0x1a40,
+  0x5a7, 0x1a4b, 0x5ac, 0x1a57, 0x5b1, 0x1a62, 0x5b6, 0x1a6e,
+  0x5bb, 0x1a79, 0x5c1, 0x1a84, 0x5c6, 0x1a90, 0x5cb, 0x1a9b,
+  0x5d0, 0x1aa7, 0x5d5, 0x1ab2, 0x5db, 0x1abe, 0x5e0, 0x1ac9,
+  0x5e5, 0x1ad4, 0x5ea, 0x1ae0, 0x5f0, 0x1aeb, 0x5f5, 0x1af7,
+  0x5fa, 0x1b02, 0x600, 0x1b0d, 0x605, 0x1b19, 0x60a, 0x1b24,
+  0x610, 0x1b30, 0x615, 0x1b3b, 0x61a, 0x1b46, 0x620, 0x1b52,
+  0x625, 0x1b5d, 0x62a, 0x1b68, 0x630, 0x1b74, 0x635, 0x1b7f,
+  0x63b, 0x1b8a, 0x640, 0x1b96, 0x645, 0x1ba1, 0x64b, 0x1bac,
+  0x650, 0x1bb8, 0x656, 0x1bc3, 0x65b, 0x1bce, 0x661, 0x1bda,
+  0x666, 0x1be5, 0x66c, 0x1bf0, 0x671, 0x1bfc, 0x677, 0x1c07,
+  0x67c, 0x1c12, 0x682, 0x1c1e, 0x687, 0x1c29, 0x68d, 0x1c34,
+  0x692, 0x1c3f, 0x698, 0x1c4b, 0x69d, 0x1c56, 0x6a3, 0x1c61,
+  0x6a8, 0x1c6c, 0x6ae, 0x1c78, 0x6b4, 0x1c83, 0x6b9, 0x1c8e,
+  0x6bf, 0x1c99, 0x6c5, 0x1ca5, 0x6ca, 0x1cb0, 0x6d0, 0x1cbb,
+  0x6d5, 0x1cc6, 0x6db, 0x1cd2, 0x6e1, 0x1cdd, 0x6e6, 0x1ce8,
+  0x6ec, 0x1cf3, 0x6f2, 0x1cff, 0x6f7, 0x1d0a, 0x6fd, 0x1d15,
+  0x703, 0x1d20, 0x709, 0x1d2b, 0x70e, 0x1d36, 0x714, 0x1d42,
+  0x71a, 0x1d4d, 0x720, 0x1d58, 0x725, 0x1d63, 0x72b, 0x1d6e,
+  0x731, 0x1d79, 0x737, 0x1d85, 0x73d, 0x1d90, 0x742, 0x1d9b,
+  0x748, 0x1da6, 0x74e, 0x1db1, 0x754, 0x1dbc, 0x75a, 0x1dc7,
+  0x75f, 0x1dd3, 0x765, 0x1dde, 0x76b, 0x1de9, 0x771, 0x1df4,
+  0x777, 0x1dff, 0x77d, 0x1e0a, 0x783, 0x1e15, 0x789, 0x1e20,
+  0x78f, 0x1e2b, 0x795, 0x1e36, 0x79a, 0x1e42, 0x7a0, 0x1e4d,
+  0x7a6, 0x1e58, 0x7ac, 0x1e63, 0x7b2, 0x1e6e, 0x7b8, 0x1e79,
+  0x7be, 0x1e84, 0x7c4, 0x1e8f, 0x7ca, 0x1e9a, 0x7d0, 0x1ea5,
+  0x7d6, 0x1eb0, 0x7dc, 0x1ebb, 0x7e2, 0x1ec6, 0x7e8, 0x1ed1,
+  0x7ee, 0x1edc, 0x7f5, 0x1ee7, 0x7fb, 0x1ef2, 0x801, 0x1efd,
+  0x807, 0x1f08, 0x80d, 0x1f13, 0x813, 0x1f1e, 0x819, 0x1f29,
+  0x81f, 0x1f34, 0x825, 0x1f3f, 0x82b, 0x1f4a, 0x832, 0x1f55,
+  0x838, 0x1f60, 0x83e, 0x1f6b, 0x844, 0x1f76, 0x84a, 0x1f81,
+  0x850, 0x1f8c, 0x857, 0x1f97, 0x85d, 0x1fa2, 0x863, 0x1fac,
+  0x869, 0x1fb7, 0x870, 0x1fc2, 0x876, 0x1fcd, 0x87c, 0x1fd8,
+  0x882, 0x1fe3, 0x889, 0x1fee, 0x88f, 0x1ff9, 0x895, 0x2004,
+  0x89b, 0x200f, 0x8a2, 0x2019, 0x8a8, 0x2024, 0x8ae, 0x202f,
+  0x8b5, 0x203a, 0x8bb, 0x2045, 0x8c1, 0x2050, 0x8c8, 0x205b,
+  0x8ce, 0x2065, 0x8d4, 0x2070, 0x8db, 0x207b, 0x8e1, 0x2086,
+  0x8e8, 0x2091, 0x8ee, 0x209b, 0x8f4, 0x20a6, 0x8fb, 0x20b1,
+  0x901, 0x20bc, 0x908, 0x20c7, 0x90e, 0x20d1, 0x915, 0x20dc,
+  0x91b, 0x20e7, 0x921, 0x20f2, 0x928, 0x20fd, 0x92e, 0x2107,
+  0x935, 0x2112, 0x93b, 0x211d, 0x942, 0x2128, 0x948, 0x2132,
+  0x94f, 0x213d, 0x955, 0x2148, 0x95c, 0x2153, 0x963, 0x215d,
+  0x969, 0x2168, 0x970, 0x2173, 0x976, 0x217d, 0x97d, 0x2188,
+  0x983, 0x2193, 0x98a, 0x219e, 0x991, 0x21a8, 0x997, 0x21b3,
+  0x99e, 0x21be, 0x9a4, 0x21c8, 0x9ab, 0x21d3, 0x9b2, 0x21de,
+  0x9b8, 0x21e8, 0x9bf, 0x21f3, 0x9c6, 0x21fe, 0x9cc, 0x2208,
+  0x9d3, 0x2213, 0x9da, 0x221e, 0x9e0, 0x2228, 0x9e7, 0x2233,
+  0x9ee, 0x223d, 0x9f5, 0x2248, 0x9fb, 0x2253, 0xa02, 0x225d,
+  0xa09, 0x2268, 0xa10, 0x2272, 0xa16, 0x227d, 0xa1d, 0x2288,
+  0xa24, 0x2292, 0xa2b, 0x229d, 0xa32, 0x22a7, 0xa38, 0x22b2,
+  0xa3f, 0x22bc, 0xa46, 0x22c7, 0xa4d, 0x22d2, 0xa54, 0x22dc,
+  0xa5b, 0x22e7, 0xa61, 0x22f1, 0xa68, 0x22fc, 0xa6f, 0x2306,
+  0xa76, 0x2311, 0xa7d, 0x231b, 0xa84, 0x2326, 0xa8b, 0x2330,
+  0xa92, 0x233b, 0xa99, 0x2345, 0xa9f, 0x2350, 0xaa6, 0x235a,
+  0xaad, 0x2365, 0xab4, 0x236f, 0xabb, 0x237a, 0xac2, 0x2384,
+  0xac9, 0x238e, 0xad0, 0x2399, 0xad7, 0x23a3, 0xade, 0x23ae,
+  0xae5, 0x23b8, 0xaec, 0x23c3, 0xaf3, 0x23cd, 0xafa, 0x23d7,
+  0xb01, 0x23e2, 0xb08, 0x23ec, 0xb0f, 0x23f7, 0xb16, 0x2401,
+  0xb1e, 0x240b, 0xb25, 0x2416, 0xb2c, 0x2420, 0xb33, 0x242b,
+  0xb3a, 0x2435, 0xb41, 0x243f, 0xb48, 0x244a, 0xb4f, 0x2454,
+  0xb56, 0x245e, 0xb5e, 0x2469, 0xb65, 0x2473, 0xb6c, 0x247d,
+  0xb73, 0x2488, 0xb7a, 0x2492, 0xb81, 0x249c, 0xb89, 0x24a7,
+  0xb90, 0x24b1, 0xb97, 0x24bb, 0xb9e, 0x24c5, 0xba5, 0x24d0,
+  0xbad, 0x24da, 0xbb4, 0x24e4, 0xbbb, 0x24ef, 0xbc2, 0x24f9,
+  0xbca, 0x2503, 0xbd1, 0x250d, 0xbd8, 0x2518, 0xbe0, 0x2522,
+  0xbe7, 0x252c, 0xbee, 0x2536, 0xbf5, 0x2541, 0xbfd, 0x254b,
+  0xc04, 0x2555, 0xc0b, 0x255f, 0xc13, 0x2569, 0xc1a, 0x2574,
+  0xc21, 0x257e, 0xc29, 0x2588, 0xc30, 0x2592, 0xc38, 0x259c,
+  0xc3f, 0x25a6, 0xc46, 0x25b1, 0xc4e, 0x25bb, 0xc55, 0x25c5,
+  0xc5d, 0x25cf, 0xc64, 0x25d9, 0xc6b, 0x25e3, 0xc73, 0x25ed,
+  0xc7a, 0x25f8, 0xc82, 0x2602, 0xc89, 0x260c, 0xc91, 0x2616,
+  0xc98, 0x2620, 0xca0, 0x262a, 0xca7, 0x2634, 0xcaf, 0x263e,
+  0xcb6, 0x2648, 0xcbe, 0x2652, 0xcc5, 0x265c, 0xccd, 0x2666,
+  0xcd4, 0x2671, 0xcdc, 0x267b, 0xce3, 0x2685, 0xceb, 0x268f,
+  0xcf3, 0x2699, 0xcfa, 0x26a3, 0xd02, 0x26ad, 0xd09, 0x26b7,
+  0xd11, 0x26c1, 0xd19, 0x26cb, 0xd20, 0x26d5, 0xd28, 0x26df,
+  0xd30, 0x26e9, 0xd37, 0x26f3, 0xd3f, 0x26fd, 0xd46, 0x2707,
+  0xd4e, 0x2711, 0xd56, 0x271a, 0xd5d, 0x2724, 0xd65, 0x272e,
+  0xd6d, 0x2738, 0xd75, 0x2742, 0xd7c, 0x274c, 0xd84, 0x2756,
+  0xd8c, 0x2760, 0xd93, 0x276a, 0xd9b, 0x2774, 0xda3, 0x277e,
+  0xdab, 0x2788, 0xdb2, 0x2791, 0xdba, 0x279b, 0xdc2, 0x27a5,
+  0xdca, 0x27af, 0xdd2, 0x27b9, 0xdd9, 0x27c3, 0xde1, 0x27cd,
+  0xde9, 0x27d6, 0xdf1, 0x27e0, 0xdf9, 0x27ea, 0xe01, 0x27f4,
+  0xe08, 0x27fe, 0xe10, 0x2808, 0xe18, 0x2811, 0xe20, 0x281b,
+  0xe28, 0x2825, 0xe30, 0x282f, 0xe38, 0x2838, 0xe40, 0x2842,
+  0xe47, 0x284c, 0xe4f, 0x2856, 0xe57, 0x2860, 0xe5f, 0x2869,
+  0xe67, 0x2873, 0xe6f, 0x287d, 0xe77, 0x2886, 0xe7f, 0x2890,
+  0xe87, 0x289a, 0xe8f, 0x28a4, 0xe97, 0x28ad, 0xe9f, 0x28b7,
+  0xea7, 0x28c1, 0xeaf, 0x28ca, 0xeb7, 0x28d4, 0xebf, 0x28de,
+  0xec7, 0x28e7, 0xecf, 0x28f1, 0xed7, 0x28fb, 0xedf, 0x2904,
+  0xee7, 0x290e, 0xeef, 0x2918, 0xef7, 0x2921, 0xeff, 0x292b,
+  0xf07, 0x2935, 0xf10, 0x293e, 0xf18, 0x2948, 0xf20, 0x2951,
+  0xf28, 0x295b, 0xf30, 0x2965, 0xf38, 0x296e, 0xf40, 0x2978,
+  0xf48, 0x2981, 0xf51, 0x298b, 0xf59, 0x2994, 0xf61, 0x299e,
+  0xf69, 0x29a7, 0xf71, 0x29b1, 0xf79, 0x29bb, 0xf82, 0x29c4,
+  0xf8a, 0x29ce, 0xf92, 0x29d7, 0xf9a, 0x29e1, 0xfa3, 0x29ea,
+  0xfab, 0x29f4, 0xfb3, 0x29fd, 0xfbb, 0x2a07, 0xfc4, 0x2a10,
+  0xfcc, 0x2a1a, 0xfd4, 0x2a23, 0xfdc, 0x2a2c, 0xfe5, 0x2a36,
+  0xfed, 0x2a3f, 0xff5, 0x2a49, 0xffe, 0x2a52, 0x1006, 0x2a5c,
+  0x100e, 0x2a65, 0x1016, 0x2a6e, 0x101f, 0x2a78, 0x1027, 0x2a81,
+  0x1030, 0x2a8b, 0x1038, 0x2a94, 0x1040, 0x2a9d, 0x1049, 0x2aa7,
+  0x1051, 0x2ab0, 0x1059, 0x2ab9, 0x1062, 0x2ac3, 0x106a, 0x2acc,
+  0x1073, 0x2ad6, 0x107b, 0x2adf, 0x1083, 0x2ae8, 0x108c, 0x2af2,
+  0x1094, 0x2afb, 0x109d, 0x2b04, 0x10a5, 0x2b0d, 0x10ae, 0x2b17,
+  0x10b6, 0x2b20, 0x10bf, 0x2b29, 0x10c7, 0x2b33, 0x10d0, 0x2b3c,
+  0x10d8, 0x2b45, 0x10e0, 0x2b4e, 0x10e9, 0x2b58, 0x10f2, 0x2b61,
+  0x10fa, 0x2b6a, 0x1103, 0x2b73, 0x110b, 0x2b7d, 0x1114, 0x2b86,
+  0x111c, 0x2b8f, 0x1125, 0x2b98, 0x112d, 0x2ba1, 0x1136, 0x2bab,
+  0x113e, 0x2bb4, 0x1147, 0x2bbd, 0x1150, 0x2bc6, 0x1158, 0x2bcf,
+  0x1161, 0x2bd8, 0x1169, 0x2be2, 0x1172, 0x2beb, 0x117b, 0x2bf4,
+  0x1183, 0x2bfd, 0x118c, 0x2c06, 0x1195, 0x2c0f, 0x119d, 0x2c18,
+  0x11a6, 0x2c21, 0x11af, 0x2c2b, 0x11b7, 0x2c34, 0x11c0, 0x2c3d,
+  0x11c9, 0x2c46, 0x11d1, 0x2c4f, 0x11da, 0x2c58, 0x11e3, 0x2c61,
+  0x11eb, 0x2c6a, 0x11f4, 0x2c73, 0x11fd, 0x2c7c, 0x1206, 0x2c85,
+  0x120e, 0x2c8e, 0x1217, 0x2c97, 0x1220, 0x2ca0, 0x1229, 0x2ca9,
+  0x1231, 0x2cb2, 0x123a, 0x2cbb, 0x1243, 0x2cc4, 0x124c, 0x2ccd,
+  0x1255, 0x2cd6, 0x125d, 0x2cdf, 0x1266, 0x2ce8, 0x126f, 0x2cf1,
+  0x1278, 0x2cfa, 0x1281, 0x2d03, 0x128a, 0x2d0c, 0x1292, 0x2d15,
+  0x129b, 0x2d1e, 0x12a4, 0x2d27, 0x12ad, 0x2d2f, 0x12b6, 0x2d38,
+  0x12bf, 0x2d41, 0x12c8, 0x2d4a, 0x12d1, 0x2d53, 0x12d9, 0x2d5c,
+  0x12e2, 0x2d65, 0x12eb, 0x2d6e, 0x12f4, 0x2d76, 0x12fd, 0x2d7f,
+  0x1306, 0x2d88, 0x130f, 0x2d91, 0x1318, 0x2d9a, 0x1321, 0x2da3,
+  0x132a, 0x2dab, 0x1333, 0x2db4, 0x133c, 0x2dbd, 0x1345, 0x2dc6,
+  0x134e, 0x2dcf, 0x1357, 0x2dd7, 0x1360, 0x2de0, 0x1369, 0x2de9,
+  0x1372, 0x2df2, 0x137b, 0x2dfa, 0x1384, 0x2e03, 0x138d, 0x2e0c,
+  0x1396, 0x2e15, 0x139f, 0x2e1d, 0x13a8, 0x2e26, 0x13b1, 0x2e2f,
+  0x13ba, 0x2e37, 0x13c3, 0x2e40, 0x13cc, 0x2e49, 0x13d5, 0x2e51,
+  0x13df, 0x2e5a, 0x13e8, 0x2e63, 0x13f1, 0x2e6b, 0x13fa, 0x2e74,
+  0x1403, 0x2e7d, 0x140c, 0x2e85, 0x1415, 0x2e8e, 0x141e, 0x2e97,
+  0x1428, 0x2e9f, 0x1431, 0x2ea8, 0x143a, 0x2eb0, 0x1443, 0x2eb9,
+  0x144c, 0x2ec2, 0x1455, 0x2eca, 0x145f, 0x2ed3, 0x1468, 0x2edb,
+  0x1471, 0x2ee4, 0x147a, 0x2eec, 0x1483, 0x2ef5, 0x148d, 0x2efd,
+  0x1496, 0x2f06, 0x149f, 0x2f0e, 0x14a8, 0x2f17, 0x14b2, 0x2f20,
+  0x14bb, 0x2f28, 0x14c4, 0x2f30, 0x14cd, 0x2f39, 0x14d7, 0x2f41,
+  0x14e0, 0x2f4a, 0x14e9, 0x2f52, 0x14f3, 0x2f5b, 0x14fc, 0x2f63,
+  0x1505, 0x2f6c, 0x150e, 0x2f74, 0x1518, 0x2f7d, 0x1521, 0x2f85,
+  0x152a, 0x2f8d, 0x1534, 0x2f96, 0x153d, 0x2f9e, 0x1547, 0x2fa7,
+  0x1550, 0x2faf, 0x1559, 0x2fb7, 0x1563, 0x2fc0, 0x156c, 0x2fc8,
+  0x1575, 0x2fd0, 0x157f, 0x2fd9, 0x1588, 0x2fe1, 0x1592, 0x2fea,
+  0x159b, 0x2ff2, 0x15a4, 0x2ffa, 0x15ae, 0x3002, 0x15b7, 0x300b,
+  0x15c1, 0x3013, 0x15ca, 0x301b, 0x15d4, 0x3024, 0x15dd, 0x302c,
+  0x15e6, 0x3034, 0x15f0, 0x303c, 0x15f9, 0x3045, 0x1603, 0x304d,
+  0x160c, 0x3055, 0x1616, 0x305d, 0x161f, 0x3066, 0x1629, 0x306e,
+  0x1632, 0x3076, 0x163c, 0x307e, 0x1645, 0x3087, 0x164f, 0x308f,
+  0x1659, 0x3097, 0x1662, 0x309f, 0x166c, 0x30a7, 0x1675, 0x30af,
+  0x167f, 0x30b8, 0x1688, 0x30c0, 0x1692, 0x30c8, 0x169b, 0x30d0,
+  0x16a5, 0x30d8, 0x16af, 0x30e0, 0x16b8, 0x30e8, 0x16c2, 0x30f0,
+  0x16cb, 0x30f9, 0x16d5, 0x3101, 0x16df, 0x3109, 0x16e8, 0x3111,
+  0x16f2, 0x3119, 0x16fc, 0x3121, 0x1705, 0x3129, 0x170f, 0x3131,
+  0x1719, 0x3139, 0x1722, 0x3141, 0x172c, 0x3149, 0x1736, 0x3151,
+  0x173f, 0x3159, 0x1749, 0x3161, 0x1753, 0x3169, 0x175c, 0x3171,
+  0x1766, 0x3179, 0x1770, 0x3181, 0x177a, 0x3189, 0x1783, 0x3191,
+  0x178d, 0x3199, 0x1797, 0x31a1, 0x17a0, 0x31a9, 0x17aa, 0x31b1,
+  0x17b4, 0x31b9, 0x17be, 0x31c0, 0x17c8, 0x31c8, 0x17d1, 0x31d0,
+  0x17db, 0x31d8, 0x17e5, 0x31e0, 0x17ef, 0x31e8, 0x17f8, 0x31f0,
+  0x1802, 0x31f8, 0x180c, 0x31ff, 0x1816, 0x3207, 0x1820, 0x320f,
+  0x182a, 0x3217, 0x1833, 0x321f, 0x183d, 0x3227, 0x1847, 0x322e,
+  0x1851, 0x3236, 0x185b, 0x323e, 0x1865, 0x3246, 0x186f, 0x324e,
+  0x1878, 0x3255, 0x1882, 0x325d, 0x188c, 0x3265, 0x1896, 0x326d,
+  0x18a0, 0x3274, 0x18aa, 0x327c, 0x18b4, 0x3284, 0x18be, 0x328b,
+  0x18c8, 0x3293, 0x18d2, 0x329b, 0x18dc, 0x32a3, 0x18e6, 0x32aa,
+  0x18ef, 0x32b2, 0x18f9, 0x32ba, 0x1903, 0x32c1, 0x190d, 0x32c9,
+  0x1917, 0x32d0, 0x1921, 0x32d8, 0x192b, 0x32e0, 0x1935, 0x32e7,
+  0x193f, 0x32ef, 0x1949, 0x32f7, 0x1953, 0x32fe, 0x195d, 0x3306,
+  0x1967, 0x330d, 0x1971, 0x3315, 0x197b, 0x331d, 0x1985, 0x3324,
+  0x198f, 0x332c, 0x199a, 0x3333, 0x19a4, 0x333b, 0x19ae, 0x3342,
+  0x19b8, 0x334a, 0x19c2, 0x3351, 0x19cc, 0x3359, 0x19d6, 0x3360,
+  0x19e0, 0x3368, 0x19ea, 0x336f, 0x19f4, 0x3377, 0x19fe, 0x337e,
+  0x1a08, 0x3386, 0x1a13, 0x338d, 0x1a1d, 0x3395, 0x1a27, 0x339c,
+  0x1a31, 0x33a3, 0x1a3b, 0x33ab, 0x1a45, 0x33b2, 0x1a4f, 0x33ba,
+  0x1a5a, 0x33c1, 0x1a64, 0x33c8, 0x1a6e, 0x33d0, 0x1a78, 0x33d7,
+  0x1a82, 0x33df, 0x1a8c, 0x33e6, 0x1a97, 0x33ed, 0x1aa1, 0x33f5,
+  0x1aab, 0x33fc, 0x1ab5, 0x3403, 0x1abf, 0x340b, 0x1aca, 0x3412,
+  0x1ad4, 0x3419, 0x1ade, 0x3420, 0x1ae8, 0x3428, 0x1af3, 0x342f,
+  0x1afd, 0x3436, 0x1b07, 0x343e, 0x1b11, 0x3445, 0x1b1c, 0x344c,
+  0x1b26, 0x3453, 0x1b30, 0x345b, 0x1b3b, 0x3462, 0x1b45, 0x3469,
+  0x1b4f, 0x3470, 0x1b59, 0x3477, 0x1b64, 0x347f, 0x1b6e, 0x3486,
+  0x1b78, 0x348d, 0x1b83, 0x3494, 0x1b8d, 0x349b, 0x1b97, 0x34a2,
+  0x1ba2, 0x34aa, 0x1bac, 0x34b1, 0x1bb6, 0x34b8, 0x1bc1, 0x34bf,
+  0x1bcb, 0x34c6, 0x1bd5, 0x34cd, 0x1be0, 0x34d4, 0x1bea, 0x34db,
+  0x1bf5, 0x34e2, 0x1bff, 0x34ea, 0x1c09, 0x34f1, 0x1c14, 0x34f8,
+  0x1c1e, 0x34ff, 0x1c29, 0x3506, 0x1c33, 0x350d, 0x1c3d, 0x3514,
+  0x1c48, 0x351b, 0x1c52, 0x3522, 0x1c5d, 0x3529, 0x1c67, 0x3530,
+  0x1c72, 0x3537, 0x1c7c, 0x353e, 0x1c86, 0x3545, 0x1c91, 0x354c,
+  0x1c9b, 0x3553, 0x1ca6, 0x355a, 0x1cb0, 0x3561, 0x1cbb, 0x3567,
+  0x1cc5, 0x356e, 0x1cd0, 0x3575, 0x1cda, 0x357c, 0x1ce5, 0x3583,
+  0x1cef, 0x358a, 0x1cfa, 0x3591, 0x1d04, 0x3598, 0x1d0f, 0x359f,
+  0x1d19, 0x35a5, 0x1d24, 0x35ac, 0x1d2e, 0x35b3, 0x1d39, 0x35ba,
+  0x1d44, 0x35c1, 0x1d4e, 0x35c8, 0x1d59, 0x35ce, 0x1d63, 0x35d5,
+  0x1d6e, 0x35dc, 0x1d78, 0x35e3, 0x1d83, 0x35ea, 0x1d8e, 0x35f0,
+  0x1d98, 0x35f7, 0x1da3, 0x35fe, 0x1dad, 0x3605, 0x1db8, 0x360b,
+  0x1dc3, 0x3612, 0x1dcd, 0x3619, 0x1dd8, 0x3620, 0x1de2, 0x3626,
+  0x1ded, 0x362d, 0x1df8, 0x3634, 0x1e02, 0x363a, 0x1e0d, 0x3641,
+  0x1e18, 0x3648, 0x1e22, 0x364e, 0x1e2d, 0x3655, 0x1e38, 0x365c,
+  0x1e42, 0x3662, 0x1e4d, 0x3669, 0x1e58, 0x366f, 0x1e62, 0x3676,
+  0x1e6d, 0x367d, 0x1e78, 0x3683, 0x1e83, 0x368a, 0x1e8d, 0x3690,
+  0x1e98, 0x3697, 0x1ea3, 0x369d, 0x1ead, 0x36a4, 0x1eb8, 0x36ab,
+  0x1ec3, 0x36b1, 0x1ece, 0x36b8, 0x1ed8, 0x36be, 0x1ee3, 0x36c5,
+  0x1eee, 0x36cb, 0x1ef9, 0x36d2, 0x1f03, 0x36d8, 0x1f0e, 0x36df,
+  0x1f19, 0x36e5, 0x1f24, 0x36eb, 0x1f2f, 0x36f2, 0x1f39, 0x36f8,
+  0x1f44, 0x36ff, 0x1f4f, 0x3705, 0x1f5a, 0x370c, 0x1f65, 0x3712,
+  0x1f6f, 0x3718, 0x1f7a, 0x371f, 0x1f85, 0x3725, 0x1f90, 0x372c,
+  0x1f9b, 0x3732, 0x1fa5, 0x3738, 0x1fb0, 0x373f, 0x1fbb, 0x3745,
+  0x1fc6, 0x374b, 0x1fd1, 0x3752, 0x1fdc, 0x3758, 0x1fe7, 0x375e,
+  0x1ff1, 0x3765, 0x1ffc, 0x376b, 0x2007, 0x3771, 0x2012, 0x3777,
+  0x201d, 0x377e, 0x2028, 0x3784, 0x2033, 0x378a, 0x203e, 0x3790,
+  0x2049, 0x3797, 0x2054, 0x379d, 0x205e, 0x37a3, 0x2069, 0x37a9,
+  0x2074, 0x37b0, 0x207f, 0x37b6, 0x208a, 0x37bc, 0x2095, 0x37c2,
+  0x20a0, 0x37c8, 0x20ab, 0x37ce, 0x20b6, 0x37d5, 0x20c1, 0x37db,
+  0x20cc, 0x37e1, 0x20d7, 0x37e7, 0x20e2, 0x37ed, 0x20ed, 0x37f3,
+  0x20f8, 0x37f9, 0x2103, 0x37ff, 0x210e, 0x3805, 0x2119, 0x380b,
+  0x2124, 0x3812, 0x212f, 0x3818, 0x213a, 0x381e, 0x2145, 0x3824,
+  0x2150, 0x382a, 0x215b, 0x3830, 0x2166, 0x3836, 0x2171, 0x383c,
+  0x217c, 0x3842, 0x2187, 0x3848, 0x2192, 0x384e, 0x219d, 0x3854,
+  0x21a8, 0x385a, 0x21b3, 0x3860, 0x21be, 0x3866, 0x21ca, 0x386b,
+  0x21d5, 0x3871, 0x21e0, 0x3877, 0x21eb, 0x387d, 0x21f6, 0x3883,
+  0x2201, 0x3889, 0x220c, 0x388f, 0x2217, 0x3895, 0x2222, 0x389b,
+  0x222d, 0x38a1, 0x2239, 0x38a6, 0x2244, 0x38ac, 0x224f, 0x38b2,
+  0x225a, 0x38b8, 0x2265, 0x38be, 0x2270, 0x38c3, 0x227b, 0x38c9,
+  0x2287, 0x38cf, 0x2292, 0x38d5, 0x229d, 0x38db, 0x22a8, 0x38e0,
+  0x22b3, 0x38e6, 0x22be, 0x38ec, 0x22ca, 0x38f2, 0x22d5, 0x38f7,
+  0x22e0, 0x38fd, 0x22eb, 0x3903, 0x22f6, 0x3909, 0x2301, 0x390e,
+  0x230d, 0x3914, 0x2318, 0x391a, 0x2323, 0x391f, 0x232e, 0x3925,
+  0x233a, 0x392b, 0x2345, 0x3930, 0x2350, 0x3936, 0x235b, 0x393b,
+  0x2367, 0x3941, 0x2372, 0x3947, 0x237d, 0x394c, 0x2388, 0x3952,
+  0x2394, 0x3958, 0x239f, 0x395d, 0x23aa, 0x3963, 0x23b5, 0x3968,
+  0x23c1, 0x396e, 0x23cc, 0x3973, 0x23d7, 0x3979, 0x23e2, 0x397e,
+  0x23ee, 0x3984, 0x23f9, 0x3989, 0x2404, 0x398f, 0x2410, 0x3994,
+  0x241b, 0x399a, 0x2426, 0x399f, 0x2432, 0x39a5, 0x243d, 0x39aa,
+  0x2448, 0x39b0, 0x2454, 0x39b5, 0x245f, 0x39bb, 0x246a, 0x39c0,
+  0x2476, 0x39c5, 0x2481, 0x39cb, 0x248c, 0x39d0, 0x2498, 0x39d6,
+  0x24a3, 0x39db, 0x24ae, 0x39e0, 0x24ba, 0x39e6, 0x24c5, 0x39eb,
+  0x24d0, 0x39f0, 0x24dc, 0x39f6, 0x24e7, 0x39fb, 0x24f3, 0x3a00,
+  0x24fe, 0x3a06, 0x2509, 0x3a0b, 0x2515, 0x3a10, 0x2520, 0x3a16,
+  0x252c, 0x3a1b, 0x2537, 0x3a20, 0x2542, 0x3a25, 0x254e, 0x3a2b,
+  0x2559, 0x3a30, 0x2565, 0x3a35, 0x2570, 0x3a3a, 0x257c, 0x3a3f,
+  0x2587, 0x3a45, 0x2592, 0x3a4a, 0x259e, 0x3a4f, 0x25a9, 0x3a54,
+  0x25b5, 0x3a59, 0x25c0, 0x3a5f, 0x25cc, 0x3a64, 0x25d7, 0x3a69,
+  0x25e3, 0x3a6e, 0x25ee, 0x3a73, 0x25fa, 0x3a78, 0x2605, 0x3a7d,
+  0x2611, 0x3a82, 0x261c, 0x3a88, 0x2628, 0x3a8d, 0x2633, 0x3a92,
+  0x263f, 0x3a97, 0x264a, 0x3a9c, 0x2656, 0x3aa1, 0x2661, 0x3aa6,
+  0x266d, 0x3aab, 0x2678, 0x3ab0, 0x2684, 0x3ab5, 0x268f, 0x3aba,
+  0x269b, 0x3abf, 0x26a6, 0x3ac4, 0x26b2, 0x3ac9, 0x26bd, 0x3ace,
+  0x26c9, 0x3ad3, 0x26d4, 0x3ad8, 0x26e0, 0x3add, 0x26ec, 0x3ae2,
+  0x26f7, 0x3ae6, 0x2703, 0x3aeb, 0x270e, 0x3af0, 0x271a, 0x3af5,
+  0x2725, 0x3afa, 0x2731, 0x3aff, 0x273d, 0x3b04, 0x2748, 0x3b09,
+  0x2754, 0x3b0e, 0x275f, 0x3b12, 0x276b, 0x3b17, 0x2777, 0x3b1c,
+  0x2782, 0x3b21, 0x278e, 0x3b26, 0x2799, 0x3b2a, 0x27a5, 0x3b2f,
+  0x27b1, 0x3b34, 0x27bc, 0x3b39, 0x27c8, 0x3b3e, 0x27d3, 0x3b42,
+  0x27df, 0x3b47, 0x27eb, 0x3b4c, 0x27f6, 0x3b50, 0x2802, 0x3b55,
+  0x280e, 0x3b5a, 0x2819, 0x3b5f, 0x2825, 0x3b63, 0x2831, 0x3b68,
+  0x283c, 0x3b6d, 0x2848, 0x3b71, 0x2854, 0x3b76, 0x285f, 0x3b7b,
+  0x286b, 0x3b7f, 0x2877, 0x3b84, 0x2882, 0x3b88, 0x288e, 0x3b8d,
+  0x289a, 0x3b92, 0x28a5, 0x3b96, 0x28b1, 0x3b9b, 0x28bd, 0x3b9f,
+  0x28c9, 0x3ba4, 0x28d4, 0x3ba9, 0x28e0, 0x3bad, 0x28ec, 0x3bb2,
+  0x28f7, 0x3bb6, 0x2903, 0x3bbb, 0x290f, 0x3bbf, 0x291b, 0x3bc4,
+  0x2926, 0x3bc8, 0x2932, 0x3bcd, 0x293e, 0x3bd1, 0x294a, 0x3bd6,
+  0x2955, 0x3bda, 0x2961, 0x3bde, 0x296d, 0x3be3, 0x2979, 0x3be7,
+  0x2984, 0x3bec, 0x2990, 0x3bf0, 0x299c, 0x3bf5, 0x29a8, 0x3bf9,
+  0x29b4, 0x3bfd, 0x29bf, 0x3c02, 0x29cb, 0x3c06, 0x29d7, 0x3c0a,
+  0x29e3, 0x3c0f, 0x29ee, 0x3c13, 0x29fa, 0x3c17, 0x2a06, 0x3c1c,
+  0x2a12, 0x3c20, 0x2a1e, 0x3c24, 0x2a29, 0x3c29, 0x2a35, 0x3c2d,
+  0x2a41, 0x3c31, 0x2a4d, 0x3c36, 0x2a59, 0x3c3a, 0x2a65, 0x3c3e,
+  0x2a70, 0x3c42, 0x2a7c, 0x3c46, 0x2a88, 0x3c4b, 0x2a94, 0x3c4f,
+  0x2aa0, 0x3c53, 0x2aac, 0x3c57, 0x2ab7, 0x3c5b, 0x2ac3, 0x3c60,
+  0x2acf, 0x3c64, 0x2adb, 0x3c68, 0x2ae7, 0x3c6c, 0x2af3, 0x3c70,
+  0x2aff, 0x3c74, 0x2b0a, 0x3c79, 0x2b16, 0x3c7d, 0x2b22, 0x3c81,
+  0x2b2e, 0x3c85, 0x2b3a, 0x3c89, 0x2b46, 0x3c8d, 0x2b52, 0x3c91,
+  0x2b5e, 0x3c95, 0x2b6a, 0x3c99, 0x2b75, 0x3c9d, 0x2b81, 0x3ca1,
+  0x2b8d, 0x3ca5, 0x2b99, 0x3ca9, 0x2ba5, 0x3cad, 0x2bb1, 0x3cb1,
+  0x2bbd, 0x3cb5, 0x2bc9, 0x3cb9, 0x2bd5, 0x3cbd, 0x2be1, 0x3cc1,
+  0x2bed, 0x3cc5, 0x2bf9, 0x3cc9, 0x2c05, 0x3ccd, 0x2c10, 0x3cd1,
+  0x2c1c, 0x3cd5, 0x2c28, 0x3cd9, 0x2c34, 0x3cdd, 0x2c40, 0x3ce0,
+  0x2c4c, 0x3ce4, 0x2c58, 0x3ce8, 0x2c64, 0x3cec, 0x2c70, 0x3cf0,
+  0x2c7c, 0x3cf4, 0x2c88, 0x3cf8, 0x2c94, 0x3cfb, 0x2ca0, 0x3cff,
+  0x2cac, 0x3d03, 0x2cb8, 0x3d07, 0x2cc4, 0x3d0b, 0x2cd0, 0x3d0e,
+  0x2cdc, 0x3d12, 0x2ce8, 0x3d16, 0x2cf4, 0x3d1a, 0x2d00, 0x3d1d,
+  0x2d0c, 0x3d21, 0x2d18, 0x3d25, 0x2d24, 0x3d28, 0x2d30, 0x3d2c,
+  0x2d3c, 0x3d30, 0x2d48, 0x3d34, 0x2d54, 0x3d37, 0x2d60, 0x3d3b,
+  0x2d6c, 0x3d3f, 0x2d78, 0x3d42, 0x2d84, 0x3d46, 0x2d90, 0x3d49,
+  0x2d9c, 0x3d4d, 0x2da8, 0x3d51, 0x2db4, 0x3d54, 0x2dc0, 0x3d58,
+  0x2dcc, 0x3d5b, 0x2dd8, 0x3d5f, 0x2de4, 0x3d63, 0x2df0, 0x3d66,
+  0x2dfc, 0x3d6a, 0x2e09, 0x3d6d, 0x2e15, 0x3d71, 0x2e21, 0x3d74,
+  0x2e2d, 0x3d78, 0x2e39, 0x3d7b, 0x2e45, 0x3d7f, 0x2e51, 0x3d82,
+  0x2e5d, 0x3d86, 0x2e69, 0x3d89, 0x2e75, 0x3d8d, 0x2e81, 0x3d90,
+  0x2e8d, 0x3d93, 0x2e99, 0x3d97, 0x2ea6, 0x3d9a, 0x2eb2, 0x3d9e,
+  0x2ebe, 0x3da1, 0x2eca, 0x3da4, 0x2ed6, 0x3da8, 0x2ee2, 0x3dab,
+  0x2eee, 0x3daf, 0x2efa, 0x3db2, 0x2f06, 0x3db5, 0x2f13, 0x3db9,
+  0x2f1f, 0x3dbc, 0x2f2b, 0x3dbf, 0x2f37, 0x3dc2, 0x2f43, 0x3dc6,
+  0x2f4f, 0x3dc9, 0x2f5b, 0x3dcc, 0x2f67, 0x3dd0, 0x2f74, 0x3dd3,
+  0x2f80, 0x3dd6, 0x2f8c, 0x3dd9, 0x2f98, 0x3ddd, 0x2fa4, 0x3de0,
+  0x2fb0, 0x3de3, 0x2fbc, 0x3de6, 0x2fc9, 0x3de9, 0x2fd5, 0x3ded,
+  0x2fe1, 0x3df0, 0x2fed, 0x3df3, 0x2ff9, 0x3df6, 0x3005, 0x3df9,
+  0x3012, 0x3dfc, 0x301e, 0x3dff, 0x302a, 0x3e03, 0x3036, 0x3e06,
+  0x3042, 0x3e09, 0x304e, 0x3e0c, 0x305b, 0x3e0f, 0x3067, 0x3e12,
+  0x3073, 0x3e15, 0x307f, 0x3e18, 0x308b, 0x3e1b, 0x3098, 0x3e1e,
+  0x30a4, 0x3e21, 0x30b0, 0x3e24, 0x30bc, 0x3e27, 0x30c8, 0x3e2a,
+  0x30d5, 0x3e2d, 0x30e1, 0x3e30, 0x30ed, 0x3e33, 0x30f9, 0x3e36,
+  0x3105, 0x3e39, 0x3112, 0x3e3c, 0x311e, 0x3e3f, 0x312a, 0x3e42,
+  0x3136, 0x3e45, 0x3143, 0x3e48, 0x314f, 0x3e4a, 0x315b, 0x3e4d,
+  0x3167, 0x3e50, 0x3174, 0x3e53, 0x3180, 0x3e56, 0x318c, 0x3e59,
+  0x3198, 0x3e5c, 0x31a4, 0x3e5e, 0x31b1, 0x3e61, 0x31bd, 0x3e64,
+  0x31c9, 0x3e67, 0x31d5, 0x3e6a, 0x31e2, 0x3e6c, 0x31ee, 0x3e6f,
+  0x31fa, 0x3e72, 0x3207, 0x3e75, 0x3213, 0x3e77, 0x321f, 0x3e7a,
+  0x322b, 0x3e7d, 0x3238, 0x3e80, 0x3244, 0x3e82, 0x3250, 0x3e85,
+  0x325c, 0x3e88, 0x3269, 0x3e8a, 0x3275, 0x3e8d, 0x3281, 0x3e90,
+  0x328e, 0x3e92, 0x329a, 0x3e95, 0x32a6, 0x3e98, 0x32b2, 0x3e9a,
+  0x32bf, 0x3e9d, 0x32cb, 0x3e9f, 0x32d7, 0x3ea2, 0x32e4, 0x3ea5,
+  0x32f0, 0x3ea7, 0x32fc, 0x3eaa, 0x3308, 0x3eac, 0x3315, 0x3eaf,
+  0x3321, 0x3eb1, 0x332d, 0x3eb4, 0x333a, 0x3eb6, 0x3346, 0x3eb9,
+  0x3352, 0x3ebb, 0x335f, 0x3ebe, 0x336b, 0x3ec0, 0x3377, 0x3ec3,
+  0x3384, 0x3ec5, 0x3390, 0x3ec8, 0x339c, 0x3eca, 0x33a9, 0x3ecc,
+  0x33b5, 0x3ecf, 0x33c1, 0x3ed1, 0x33ce, 0x3ed4, 0x33da, 0x3ed6,
+  0x33e6, 0x3ed8, 0x33f3, 0x3edb, 0x33ff, 0x3edd, 0x340b, 0x3ee0,
+  0x3418, 0x3ee2, 0x3424, 0x3ee4, 0x3430, 0x3ee7, 0x343d, 0x3ee9,
+  0x3449, 0x3eeb, 0x3455, 0x3eed, 0x3462, 0x3ef0, 0x346e, 0x3ef2,
+  0x347b, 0x3ef4, 0x3487, 0x3ef7, 0x3493, 0x3ef9, 0x34a0, 0x3efb,
+  0x34ac, 0x3efd, 0x34b8, 0x3f00, 0x34c5, 0x3f02, 0x34d1, 0x3f04,
+  0x34dd, 0x3f06, 0x34ea, 0x3f08, 0x34f6, 0x3f0a, 0x3503, 0x3f0d,
+  0x350f, 0x3f0f, 0x351b, 0x3f11, 0x3528, 0x3f13, 0x3534, 0x3f15,
+  0x3540, 0x3f17, 0x354d, 0x3f19, 0x3559, 0x3f1c, 0x3566, 0x3f1e,
+  0x3572, 0x3f20, 0x357e, 0x3f22, 0x358b, 0x3f24, 0x3597, 0x3f26,
+  0x35a4, 0x3f28, 0x35b0, 0x3f2a, 0x35bc, 0x3f2c, 0x35c9, 0x3f2e,
+  0x35d5, 0x3f30, 0x35e2, 0x3f32, 0x35ee, 0x3f34, 0x35fa, 0x3f36,
+  0x3607, 0x3f38, 0x3613, 0x3f3a, 0x3620, 0x3f3c, 0x362c, 0x3f3e,
+  0x3639, 0x3f40, 0x3645, 0x3f42, 0x3651, 0x3f43, 0x365e, 0x3f45,
+  0x366a, 0x3f47, 0x3677, 0x3f49, 0x3683, 0x3f4b, 0x3690, 0x3f4d,
+  0x369c, 0x3f4f, 0x36a8, 0x3f51, 0x36b5, 0x3f52, 0x36c1, 0x3f54,
+  0x36ce, 0x3f56, 0x36da, 0x3f58, 0x36e7, 0x3f5a, 0x36f3, 0x3f5b,
+  0x36ff, 0x3f5d, 0x370c, 0x3f5f, 0x3718, 0x3f61, 0x3725, 0x3f62,
+  0x3731, 0x3f64, 0x373e, 0x3f66, 0x374a, 0x3f68, 0x3757, 0x3f69,
+  0x3763, 0x3f6b, 0x376f, 0x3f6d, 0x377c, 0x3f6e, 0x3788, 0x3f70,
+  0x3795, 0x3f72, 0x37a1, 0x3f73, 0x37ae, 0x3f75, 0x37ba, 0x3f77,
+  0x37c7, 0x3f78, 0x37d3, 0x3f7a, 0x37e0, 0x3f7b, 0x37ec, 0x3f7d,
+  0x37f9, 0x3f7f, 0x3805, 0x3f80, 0x3811, 0x3f82, 0x381e, 0x3f83,
+  0x382a, 0x3f85, 0x3837, 0x3f86, 0x3843, 0x3f88, 0x3850, 0x3f89,
+  0x385c, 0x3f8b, 0x3869, 0x3f8c, 0x3875, 0x3f8e, 0x3882, 0x3f8f,
+  0x388e, 0x3f91, 0x389b, 0x3f92, 0x38a7, 0x3f94, 0x38b4, 0x3f95,
+  0x38c0, 0x3f97, 0x38cd, 0x3f98, 0x38d9, 0x3f99, 0x38e6, 0x3f9b,
+  0x38f2, 0x3f9c, 0x38ff, 0x3f9e, 0x390b, 0x3f9f, 0x3918, 0x3fa0,
+  0x3924, 0x3fa2, 0x3931, 0x3fa3, 0x393d, 0x3fa4, 0x394a, 0x3fa6,
+  0x3956, 0x3fa7, 0x3963, 0x3fa8, 0x396f, 0x3faa, 0x397c, 0x3fab,
+  0x3988, 0x3fac, 0x3995, 0x3fad, 0x39a1, 0x3faf, 0x39ae, 0x3fb0,
+  0x39ba, 0x3fb1, 0x39c7, 0x3fb2, 0x39d3, 0x3fb4, 0x39e0, 0x3fb5,
+  0x39ec, 0x3fb6, 0x39f9, 0x3fb7, 0x3a05, 0x3fb8, 0x3a12, 0x3fb9,
+  0x3a1e, 0x3fbb, 0x3a2b, 0x3fbc, 0x3a37, 0x3fbd, 0x3a44, 0x3fbe,
+  0x3a50, 0x3fbf, 0x3a5d, 0x3fc0, 0x3a69, 0x3fc1, 0x3a76, 0x3fc3,
+  0x3a82, 0x3fc4, 0x3a8f, 0x3fc5, 0x3a9b, 0x3fc6, 0x3aa8, 0x3fc7,
+  0x3ab4, 0x3fc8, 0x3ac1, 0x3fc9, 0x3acd, 0x3fca, 0x3ada, 0x3fcb,
+  0x3ae6, 0x3fcc, 0x3af3, 0x3fcd, 0x3b00, 0x3fce, 0x3b0c, 0x3fcf,
+  0x3b19, 0x3fd0, 0x3b25, 0x3fd1, 0x3b32, 0x3fd2, 0x3b3e, 0x3fd3,
+  0x3b4b, 0x3fd4, 0x3b57, 0x3fd5, 0x3b64, 0x3fd5, 0x3b70, 0x3fd6,
+  0x3b7d, 0x3fd7, 0x3b89, 0x3fd8, 0x3b96, 0x3fd9, 0x3ba2, 0x3fda,
+  0x3baf, 0x3fdb, 0x3bbc, 0x3fdc, 0x3bc8, 0x3fdc, 0x3bd5, 0x3fdd,
+  0x3be1, 0x3fde, 0x3bee, 0x3fdf, 0x3bfa, 0x3fe0, 0x3c07, 0x3fe0,
+  0x3c13, 0x3fe1, 0x3c20, 0x3fe2, 0x3c2c, 0x3fe3, 0x3c39, 0x3fe3,
+  0x3c45, 0x3fe4, 0x3c52, 0x3fe5, 0x3c5f, 0x3fe6, 0x3c6b, 0x3fe6,
+  0x3c78, 0x3fe7, 0x3c84, 0x3fe8, 0x3c91, 0x3fe8, 0x3c9d, 0x3fe9,
+  0x3caa, 0x3fea, 0x3cb6, 0x3fea, 0x3cc3, 0x3feb, 0x3cd0, 0x3fec,
+  0x3cdc, 0x3fec, 0x3ce9, 0x3fed, 0x3cf5, 0x3fed, 0x3d02, 0x3fee,
+  0x3d0e, 0x3fef, 0x3d1b, 0x3fef, 0x3d27, 0x3ff0, 0x3d34, 0x3ff0,
+  0x3d40, 0x3ff1, 0x3d4d, 0x3ff1, 0x3d5a, 0x3ff2, 0x3d66, 0x3ff2,
+  0x3d73, 0x3ff3, 0x3d7f, 0x3ff3, 0x3d8c, 0x3ff4, 0x3d98, 0x3ff4,
+  0x3da5, 0x3ff5, 0x3db2, 0x3ff5, 0x3dbe, 0x3ff6, 0x3dcb, 0x3ff6,
+  0x3dd7, 0x3ff7, 0x3de4, 0x3ff7, 0x3df0, 0x3ff7, 0x3dfd, 0x3ff8,
+  0x3e09, 0x3ff8, 0x3e16, 0x3ff9, 0x3e23, 0x3ff9, 0x3e2f, 0x3ff9,
+  0x3e3c, 0x3ffa, 0x3e48, 0x3ffa, 0x3e55, 0x3ffa, 0x3e61, 0x3ffb,
+  0x3e6e, 0x3ffb, 0x3e7a, 0x3ffb, 0x3e87, 0x3ffc, 0x3e94, 0x3ffc,
+  0x3ea0, 0x3ffc, 0x3ead, 0x3ffc, 0x3eb9, 0x3ffd, 0x3ec6, 0x3ffd,
+  0x3ed2, 0x3ffd, 0x3edf, 0x3ffd, 0x3eec, 0x3ffe, 0x3ef8, 0x3ffe,
+  0x3f05, 0x3ffe, 0x3f11, 0x3ffe, 0x3f1e, 0x3ffe, 0x3f2a, 0x3fff,
+  0x3f37, 0x3fff, 0x3f44, 0x3fff, 0x3f50, 0x3fff, 0x3f5d, 0x3fff,
+  0x3f69, 0x3fff, 0x3f76, 0x3fff, 0x3f82, 0x4000, 0x3f8f, 0x4000,
+  0x3f9b, 0x4000, 0x3fa8, 0x4000, 0x3fb5, 0x4000, 0x3fc1, 0x4000,
+  0x3fce, 0x4000, 0x3fda, 0x4000, 0x3fe7, 0x4000, 0x3ff3, 0x4000,
+};
+
+/**    
+* \par   
+* Generation of real_CoefB array:    
+* \par    
+* n = 4096    
+* 
for (i = 0; i < n; i++)    
+*  {    
+*    pBTable[2 * i] = 0.5 * (1.0 + sin (2 * PI / (double) (2 * n) * (double) i));    
+*    pBTable[2 * i + 1] = 0.5 * (1.0 * cos (2 * PI / (double) (2 * n) * (double) i));    
+*  } 
   
+* \par    
+* Convert to fixed point Q15 format    
+*       round(pBTable[i] * pow(2, 15))    
+*    
+*/
+
+static const q15_t ALIGN4 realCoefBQ15[8192] = {
+  0x4000, 0x4000, 0x400d, 0x4000, 0x4019, 0x4000, 0x4026, 0x4000,
+  0x4032, 0x4000, 0x403f, 0x4000, 0x404b, 0x4000, 0x4058, 0x4000,
+  0x4065, 0x4000, 0x4071, 0x4000, 0x407e, 0x4000, 0x408a, 0x3fff,
+  0x4097, 0x3fff, 0x40a3, 0x3fff, 0x40b0, 0x3fff, 0x40bc, 0x3fff,
+  0x40c9, 0x3fff, 0x40d6, 0x3fff, 0x40e2, 0x3ffe, 0x40ef, 0x3ffe,
+  0x40fb, 0x3ffe, 0x4108, 0x3ffe, 0x4114, 0x3ffe, 0x4121, 0x3ffd,
+  0x412e, 0x3ffd, 0x413a, 0x3ffd, 0x4147, 0x3ffd, 0x4153, 0x3ffc,
+  0x4160, 0x3ffc, 0x416c, 0x3ffc, 0x4179, 0x3ffc, 0x4186, 0x3ffb,
+  0x4192, 0x3ffb, 0x419f, 0x3ffb, 0x41ab, 0x3ffa, 0x41b8, 0x3ffa,
+  0x41c4, 0x3ffa, 0x41d1, 0x3ff9, 0x41dd, 0x3ff9, 0x41ea, 0x3ff9,
+  0x41f7, 0x3ff8, 0x4203, 0x3ff8, 0x4210, 0x3ff7, 0x421c, 0x3ff7,
+  0x4229, 0x3ff7, 0x4235, 0x3ff6, 0x4242, 0x3ff6, 0x424e, 0x3ff5,
+  0x425b, 0x3ff5, 0x4268, 0x3ff4, 0x4274, 0x3ff4, 0x4281, 0x3ff3,
+  0x428d, 0x3ff3, 0x429a, 0x3ff2, 0x42a6, 0x3ff2, 0x42b3, 0x3ff1,
+  0x42c0, 0x3ff1, 0x42cc, 0x3ff0, 0x42d9, 0x3ff0, 0x42e5, 0x3fef,
+  0x42f2, 0x3fef, 0x42fe, 0x3fee, 0x430b, 0x3fed, 0x4317, 0x3fed,
+  0x4324, 0x3fec, 0x4330, 0x3fec, 0x433d, 0x3feb, 0x434a, 0x3fea,
+  0x4356, 0x3fea, 0x4363, 0x3fe9, 0x436f, 0x3fe8, 0x437c, 0x3fe8,
+  0x4388, 0x3fe7, 0x4395, 0x3fe6, 0x43a1, 0x3fe6, 0x43ae, 0x3fe5,
+  0x43bb, 0x3fe4, 0x43c7, 0x3fe3, 0x43d4, 0x3fe3, 0x43e0, 0x3fe2,
+  0x43ed, 0x3fe1, 0x43f9, 0x3fe0, 0x4406, 0x3fe0, 0x4412, 0x3fdf,
+  0x441f, 0x3fde, 0x442b, 0x3fdd, 0x4438, 0x3fdc, 0x4444, 0x3fdc,
+  0x4451, 0x3fdb, 0x445e, 0x3fda, 0x446a, 0x3fd9, 0x4477, 0x3fd8,
+  0x4483, 0x3fd7, 0x4490, 0x3fd6, 0x449c, 0x3fd5, 0x44a9, 0x3fd5,
+  0x44b5, 0x3fd4, 0x44c2, 0x3fd3, 0x44ce, 0x3fd2, 0x44db, 0x3fd1,
+  0x44e7, 0x3fd0, 0x44f4, 0x3fcf, 0x4500, 0x3fce, 0x450d, 0x3fcd,
+  0x451a, 0x3fcc, 0x4526, 0x3fcb, 0x4533, 0x3fca, 0x453f, 0x3fc9,
+  0x454c, 0x3fc8, 0x4558, 0x3fc7, 0x4565, 0x3fc6, 0x4571, 0x3fc5,
+  0x457e, 0x3fc4, 0x458a, 0x3fc3, 0x4597, 0x3fc1, 0x45a3, 0x3fc0,
+  0x45b0, 0x3fbf, 0x45bc, 0x3fbe, 0x45c9, 0x3fbd, 0x45d5, 0x3fbc,
+  0x45e2, 0x3fbb, 0x45ee, 0x3fb9, 0x45fb, 0x3fb8, 0x4607, 0x3fb7,
+  0x4614, 0x3fb6, 0x4620, 0x3fb5, 0x462d, 0x3fb4, 0x4639, 0x3fb2,
+  0x4646, 0x3fb1, 0x4652, 0x3fb0, 0x465f, 0x3faf, 0x466b, 0x3fad,
+  0x4678, 0x3fac, 0x4684, 0x3fab, 0x4691, 0x3faa, 0x469d, 0x3fa8,
+  0x46aa, 0x3fa7, 0x46b6, 0x3fa6, 0x46c3, 0x3fa4, 0x46cf, 0x3fa3,
+  0x46dc, 0x3fa2, 0x46e8, 0x3fa0, 0x46f5, 0x3f9f, 0x4701, 0x3f9e,
+  0x470e, 0x3f9c, 0x471a, 0x3f9b, 0x4727, 0x3f99, 0x4733, 0x3f98,
+  0x4740, 0x3f97, 0x474c, 0x3f95, 0x4759, 0x3f94, 0x4765, 0x3f92,
+  0x4772, 0x3f91, 0x477e, 0x3f8f, 0x478b, 0x3f8e, 0x4797, 0x3f8c,
+  0x47a4, 0x3f8b, 0x47b0, 0x3f89, 0x47bd, 0x3f88, 0x47c9, 0x3f86,
+  0x47d6, 0x3f85, 0x47e2, 0x3f83, 0x47ef, 0x3f82, 0x47fb, 0x3f80,
+  0x4807, 0x3f7f, 0x4814, 0x3f7d, 0x4820, 0x3f7b, 0x482d, 0x3f7a,
+  0x4839, 0x3f78, 0x4846, 0x3f77, 0x4852, 0x3f75, 0x485f, 0x3f73,
+  0x486b, 0x3f72, 0x4878, 0x3f70, 0x4884, 0x3f6e, 0x4891, 0x3f6d,
+  0x489d, 0x3f6b, 0x48a9, 0x3f69, 0x48b6, 0x3f68, 0x48c2, 0x3f66,
+  0x48cf, 0x3f64, 0x48db, 0x3f62, 0x48e8, 0x3f61, 0x48f4, 0x3f5f,
+  0x4901, 0x3f5d, 0x490d, 0x3f5b, 0x4919, 0x3f5a, 0x4926, 0x3f58,
+  0x4932, 0x3f56, 0x493f, 0x3f54, 0x494b, 0x3f52, 0x4958, 0x3f51,
+  0x4964, 0x3f4f, 0x4970, 0x3f4d, 0x497d, 0x3f4b, 0x4989, 0x3f49,
+  0x4996, 0x3f47, 0x49a2, 0x3f45, 0x49af, 0x3f43, 0x49bb, 0x3f42,
+  0x49c7, 0x3f40, 0x49d4, 0x3f3e, 0x49e0, 0x3f3c, 0x49ed, 0x3f3a,
+  0x49f9, 0x3f38, 0x4a06, 0x3f36, 0x4a12, 0x3f34, 0x4a1e, 0x3f32,
+  0x4a2b, 0x3f30, 0x4a37, 0x3f2e, 0x4a44, 0x3f2c, 0x4a50, 0x3f2a,
+  0x4a5c, 0x3f28, 0x4a69, 0x3f26, 0x4a75, 0x3f24, 0x4a82, 0x3f22,
+  0x4a8e, 0x3f20, 0x4a9a, 0x3f1e, 0x4aa7, 0x3f1c, 0x4ab3, 0x3f19,
+  0x4ac0, 0x3f17, 0x4acc, 0x3f15, 0x4ad8, 0x3f13, 0x4ae5, 0x3f11,
+  0x4af1, 0x3f0f, 0x4afd, 0x3f0d, 0x4b0a, 0x3f0a, 0x4b16, 0x3f08,
+  0x4b23, 0x3f06, 0x4b2f, 0x3f04, 0x4b3b, 0x3f02, 0x4b48, 0x3f00,
+  0x4b54, 0x3efd, 0x4b60, 0x3efb, 0x4b6d, 0x3ef9, 0x4b79, 0x3ef7,
+  0x4b85, 0x3ef4, 0x4b92, 0x3ef2, 0x4b9e, 0x3ef0, 0x4bab, 0x3eed,
+  0x4bb7, 0x3eeb, 0x4bc3, 0x3ee9, 0x4bd0, 0x3ee7, 0x4bdc, 0x3ee4,
+  0x4be8, 0x3ee2, 0x4bf5, 0x3ee0, 0x4c01, 0x3edd, 0x4c0d, 0x3edb,
+  0x4c1a, 0x3ed8, 0x4c26, 0x3ed6, 0x4c32, 0x3ed4, 0x4c3f, 0x3ed1,
+  0x4c4b, 0x3ecf, 0x4c57, 0x3ecc, 0x4c64, 0x3eca, 0x4c70, 0x3ec8,
+  0x4c7c, 0x3ec5, 0x4c89, 0x3ec3, 0x4c95, 0x3ec0, 0x4ca1, 0x3ebe,
+  0x4cae, 0x3ebb, 0x4cba, 0x3eb9, 0x4cc6, 0x3eb6, 0x4cd3, 0x3eb4,
+  0x4cdf, 0x3eb1, 0x4ceb, 0x3eaf, 0x4cf8, 0x3eac, 0x4d04, 0x3eaa,
+  0x4d10, 0x3ea7, 0x4d1c, 0x3ea5, 0x4d29, 0x3ea2, 0x4d35, 0x3e9f,
+  0x4d41, 0x3e9d, 0x4d4e, 0x3e9a, 0x4d5a, 0x3e98, 0x4d66, 0x3e95,
+  0x4d72, 0x3e92, 0x4d7f, 0x3e90, 0x4d8b, 0x3e8d, 0x4d97, 0x3e8a,
+  0x4da4, 0x3e88, 0x4db0, 0x3e85, 0x4dbc, 0x3e82, 0x4dc8, 0x3e80,
+  0x4dd5, 0x3e7d, 0x4de1, 0x3e7a, 0x4ded, 0x3e77, 0x4df9, 0x3e75,
+  0x4e06, 0x3e72, 0x4e12, 0x3e6f, 0x4e1e, 0x3e6c, 0x4e2b, 0x3e6a,
+  0x4e37, 0x3e67, 0x4e43, 0x3e64, 0x4e4f, 0x3e61, 0x4e5c, 0x3e5e,
+  0x4e68, 0x3e5c, 0x4e74, 0x3e59, 0x4e80, 0x3e56, 0x4e8c, 0x3e53,
+  0x4e99, 0x3e50, 0x4ea5, 0x3e4d, 0x4eb1, 0x3e4a, 0x4ebd, 0x3e48,
+  0x4eca, 0x3e45, 0x4ed6, 0x3e42, 0x4ee2, 0x3e3f, 0x4eee, 0x3e3c,
+  0x4efb, 0x3e39, 0x4f07, 0x3e36, 0x4f13, 0x3e33, 0x4f1f, 0x3e30,
+  0x4f2b, 0x3e2d, 0x4f38, 0x3e2a, 0x4f44, 0x3e27, 0x4f50, 0x3e24,
+  0x4f5c, 0x3e21, 0x4f68, 0x3e1e, 0x4f75, 0x3e1b, 0x4f81, 0x3e18,
+  0x4f8d, 0x3e15, 0x4f99, 0x3e12, 0x4fa5, 0x3e0f, 0x4fb2, 0x3e0c,
+  0x4fbe, 0x3e09, 0x4fca, 0x3e06, 0x4fd6, 0x3e03, 0x4fe2, 0x3dff,
+  0x4fee, 0x3dfc, 0x4ffb, 0x3df9, 0x5007, 0x3df6, 0x5013, 0x3df3,
+  0x501f, 0x3df0, 0x502b, 0x3ded, 0x5037, 0x3de9, 0x5044, 0x3de6,
+  0x5050, 0x3de3, 0x505c, 0x3de0, 0x5068, 0x3ddd, 0x5074, 0x3dd9,
+  0x5080, 0x3dd6, 0x508c, 0x3dd3, 0x5099, 0x3dd0, 0x50a5, 0x3dcc,
+  0x50b1, 0x3dc9, 0x50bd, 0x3dc6, 0x50c9, 0x3dc2, 0x50d5, 0x3dbf,
+  0x50e1, 0x3dbc, 0x50ed, 0x3db9, 0x50fa, 0x3db5, 0x5106, 0x3db2,
+  0x5112, 0x3daf, 0x511e, 0x3dab, 0x512a, 0x3da8, 0x5136, 0x3da4,
+  0x5142, 0x3da1, 0x514e, 0x3d9e, 0x515a, 0x3d9a, 0x5167, 0x3d97,
+  0x5173, 0x3d93, 0x517f, 0x3d90, 0x518b, 0x3d8d, 0x5197, 0x3d89,
+  0x51a3, 0x3d86, 0x51af, 0x3d82, 0x51bb, 0x3d7f, 0x51c7, 0x3d7b,
+  0x51d3, 0x3d78, 0x51df, 0x3d74, 0x51eb, 0x3d71, 0x51f7, 0x3d6d,
+  0x5204, 0x3d6a, 0x5210, 0x3d66, 0x521c, 0x3d63, 0x5228, 0x3d5f,
+  0x5234, 0x3d5b, 0x5240, 0x3d58, 0x524c, 0x3d54, 0x5258, 0x3d51,
+  0x5264, 0x3d4d, 0x5270, 0x3d49, 0x527c, 0x3d46, 0x5288, 0x3d42,
+  0x5294, 0x3d3f, 0x52a0, 0x3d3b, 0x52ac, 0x3d37, 0x52b8, 0x3d34,
+  0x52c4, 0x3d30, 0x52d0, 0x3d2c, 0x52dc, 0x3d28, 0x52e8, 0x3d25,
+  0x52f4, 0x3d21, 0x5300, 0x3d1d, 0x530c, 0x3d1a, 0x5318, 0x3d16,
+  0x5324, 0x3d12, 0x5330, 0x3d0e, 0x533c, 0x3d0b, 0x5348, 0x3d07,
+  0x5354, 0x3d03, 0x5360, 0x3cff, 0x536c, 0x3cfb, 0x5378, 0x3cf8,
+  0x5384, 0x3cf4, 0x5390, 0x3cf0, 0x539c, 0x3cec, 0x53a8, 0x3ce8,
+  0x53b4, 0x3ce4, 0x53c0, 0x3ce0, 0x53cc, 0x3cdd, 0x53d8, 0x3cd9,
+  0x53e4, 0x3cd5, 0x53f0, 0x3cd1, 0x53fb, 0x3ccd, 0x5407, 0x3cc9,
+  0x5413, 0x3cc5, 0x541f, 0x3cc1, 0x542b, 0x3cbd, 0x5437, 0x3cb9,
+  0x5443, 0x3cb5, 0x544f, 0x3cb1, 0x545b, 0x3cad, 0x5467, 0x3ca9,
+  0x5473, 0x3ca5, 0x547f, 0x3ca1, 0x548b, 0x3c9d, 0x5496, 0x3c99,
+  0x54a2, 0x3c95, 0x54ae, 0x3c91, 0x54ba, 0x3c8d, 0x54c6, 0x3c89,
+  0x54d2, 0x3c85, 0x54de, 0x3c81, 0x54ea, 0x3c7d, 0x54f6, 0x3c79,
+  0x5501, 0x3c74, 0x550d, 0x3c70, 0x5519, 0x3c6c, 0x5525, 0x3c68,
+  0x5531, 0x3c64, 0x553d, 0x3c60, 0x5549, 0x3c5b, 0x5554, 0x3c57,
+  0x5560, 0x3c53, 0x556c, 0x3c4f, 0x5578, 0x3c4b, 0x5584, 0x3c46,
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+  0x6dab, 0x2cd6, 0x6db4, 0x2ccd, 0x6dbd, 0x2cc4, 0x6dc6, 0x2cbb,
+  0x6dcf, 0x2cb2, 0x6dd7, 0x2ca9, 0x6de0, 0x2ca0, 0x6de9, 0x2c97,
+  0x6df2, 0x2c8e, 0x6dfa, 0x2c85, 0x6e03, 0x2c7c, 0x6e0c, 0x2c73,
+  0x6e15, 0x2c6a, 0x6e1d, 0x2c61, 0x6e26, 0x2c58, 0x6e2f, 0x2c4f,
+  0x6e37, 0x2c46, 0x6e40, 0x2c3d, 0x6e49, 0x2c34, 0x6e51, 0x2c2b,
+  0x6e5a, 0x2c21, 0x6e63, 0x2c18, 0x6e6b, 0x2c0f, 0x6e74, 0x2c06,
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+  0x7889, 0x1dff, 0x788f, 0x1df4, 0x7895, 0x1de9, 0x789b, 0x1dde,
+  0x78a1, 0x1dd3, 0x78a6, 0x1dc7, 0x78ac, 0x1dbc, 0x78b2, 0x1db1,
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+  0x7914, 0x1cf3, 0x791a, 0x1ce8, 0x791f, 0x1cdd, 0x7925, 0x1cd2,
+  0x792b, 0x1cc6, 0x7930, 0x1cbb, 0x7936, 0x1cb0, 0x793b, 0x1ca5,
+  0x7941, 0x1c99, 0x7947, 0x1c8e, 0x794c, 0x1c83, 0x7952, 0x1c78,
+  0x7958, 0x1c6c, 0x795d, 0x1c61, 0x7963, 0x1c56, 0x7968, 0x1c4b,
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+  0x7984, 0x1c12, 0x7989, 0x1c07, 0x798f, 0x1bfc, 0x7994, 0x1bf0,
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+  0x79b0, 0x1bb8, 0x79b5, 0x1bac, 0x79bb, 0x1ba1, 0x79c0, 0x1b96,
+  0x79c5, 0x1b8a, 0x79cb, 0x1b7f, 0x79d0, 0x1b74, 0x79d6, 0x1b68,
+  0x79db, 0x1b5d, 0x79e0, 0x1b52, 0x79e6, 0x1b46, 0x79eb, 0x1b3b,
+  0x79f0, 0x1b30, 0x79f6, 0x1b24, 0x79fb, 0x1b19, 0x7a00, 0x1b0d,
+  0x7a06, 0x1b02, 0x7a0b, 0x1af7, 0x7a10, 0x1aeb, 0x7a16, 0x1ae0,
+  0x7a1b, 0x1ad4, 0x7a20, 0x1ac9, 0x7a25, 0x1abe, 0x7a2b, 0x1ab2,
+  0x7a30, 0x1aa7, 0x7a35, 0x1a9b, 0x7a3a, 0x1a90, 0x7a3f, 0x1a84,
+  0x7a45, 0x1a79, 0x7a4a, 0x1a6e, 0x7a4f, 0x1a62, 0x7a54, 0x1a57,
+  0x7a59, 0x1a4b, 0x7a5f, 0x1a40, 0x7a64, 0x1a34, 0x7a69, 0x1a29,
+  0x7a6e, 0x1a1d, 0x7a73, 0x1a12, 0x7a78, 0x1a06, 0x7a7d, 0x19fb,
+  0x7a82, 0x19ef, 0x7a88, 0x19e4, 0x7a8d, 0x19d8, 0x7a92, 0x19cd,
+  0x7a97, 0x19c1, 0x7a9c, 0x19b6, 0x7aa1, 0x19aa, 0x7aa6, 0x199f,
+  0x7aab, 0x1993, 0x7ab0, 0x1988, 0x7ab5, 0x197c, 0x7aba, 0x1971,
+  0x7abf, 0x1965, 0x7ac4, 0x195a, 0x7ac9, 0x194e, 0x7ace, 0x1943,
+  0x7ad3, 0x1937, 0x7ad8, 0x192c, 0x7add, 0x1920, 0x7ae2, 0x1914,
+  0x7ae6, 0x1909, 0x7aeb, 0x18fd, 0x7af0, 0x18f2, 0x7af5, 0x18e6,
+  0x7afa, 0x18db, 0x7aff, 0x18cf, 0x7b04, 0x18c3, 0x7b09, 0x18b8,
+  0x7b0e, 0x18ac, 0x7b12, 0x18a1, 0x7b17, 0x1895, 0x7b1c, 0x1889,
+  0x7b21, 0x187e, 0x7b26, 0x1872, 0x7b2a, 0x1867, 0x7b2f, 0x185b,
+  0x7b34, 0x184f, 0x7b39, 0x1844, 0x7b3e, 0x1838, 0x7b42, 0x182d,
+  0x7b47, 0x1821, 0x7b4c, 0x1815, 0x7b50, 0x180a, 0x7b55, 0x17fe,
+  0x7b5a, 0x17f2, 0x7b5f, 0x17e7, 0x7b63, 0x17db, 0x7b68, 0x17cf,
+  0x7b6d, 0x17c4, 0x7b71, 0x17b8, 0x7b76, 0x17ac, 0x7b7b, 0x17a1,
+  0x7b7f, 0x1795, 0x7b84, 0x1789, 0x7b88, 0x177e, 0x7b8d, 0x1772,
+  0x7b92, 0x1766, 0x7b96, 0x175b, 0x7b9b, 0x174f, 0x7b9f, 0x1743,
+  0x7ba4, 0x1737, 0x7ba9, 0x172c, 0x7bad, 0x1720, 0x7bb2, 0x1714,
+  0x7bb6, 0x1709, 0x7bbb, 0x16fd, 0x7bbf, 0x16f1, 0x7bc4, 0x16e5,
+  0x7bc8, 0x16da, 0x7bcd, 0x16ce, 0x7bd1, 0x16c2, 0x7bd6, 0x16b6,
+  0x7bda, 0x16ab, 0x7bde, 0x169f, 0x7be3, 0x1693, 0x7be7, 0x1687,
+  0x7bec, 0x167c, 0x7bf0, 0x1670, 0x7bf5, 0x1664, 0x7bf9, 0x1658,
+  0x7bfd, 0x164c, 0x7c02, 0x1641, 0x7c06, 0x1635, 0x7c0a, 0x1629,
+  0x7c0f, 0x161d, 0x7c13, 0x1612, 0x7c17, 0x1606, 0x7c1c, 0x15fa,
+  0x7c20, 0x15ee, 0x7c24, 0x15e2, 0x7c29, 0x15d7, 0x7c2d, 0x15cb,
+  0x7c31, 0x15bf, 0x7c36, 0x15b3, 0x7c3a, 0x15a7, 0x7c3e, 0x159b,
+  0x7c42, 0x1590, 0x7c46, 0x1584, 0x7c4b, 0x1578, 0x7c4f, 0x156c,
+  0x7c53, 0x1560, 0x7c57, 0x1554, 0x7c5b, 0x1549, 0x7c60, 0x153d,
+  0x7c64, 0x1531, 0x7c68, 0x1525, 0x7c6c, 0x1519, 0x7c70, 0x150d,
+  0x7c74, 0x1501, 0x7c79, 0x14f6, 0x7c7d, 0x14ea, 0x7c81, 0x14de,
+  0x7c85, 0x14d2, 0x7c89, 0x14c6, 0x7c8d, 0x14ba, 0x7c91, 0x14ae,
+  0x7c95, 0x14a2, 0x7c99, 0x1496, 0x7c9d, 0x148b, 0x7ca1, 0x147f,
+  0x7ca5, 0x1473, 0x7ca9, 0x1467, 0x7cad, 0x145b, 0x7cb1, 0x144f,
+  0x7cb5, 0x1443, 0x7cb9, 0x1437, 0x7cbd, 0x142b, 0x7cc1, 0x141f,
+  0x7cc5, 0x1413, 0x7cc9, 0x1407, 0x7ccd, 0x13fb, 0x7cd1, 0x13f0,
+  0x7cd5, 0x13e4, 0x7cd9, 0x13d8, 0x7cdd, 0x13cc, 0x7ce0, 0x13c0,
+  0x7ce4, 0x13b4, 0x7ce8, 0x13a8, 0x7cec, 0x139c, 0x7cf0, 0x1390,
+  0x7cf4, 0x1384, 0x7cf8, 0x1378, 0x7cfb, 0x136c, 0x7cff, 0x1360,
+  0x7d03, 0x1354, 0x7d07, 0x1348, 0x7d0b, 0x133c, 0x7d0e, 0x1330,
+  0x7d12, 0x1324, 0x7d16, 0x1318, 0x7d1a, 0x130c, 0x7d1d, 0x1300,
+  0x7d21, 0x12f4, 0x7d25, 0x12e8, 0x7d28, 0x12dc, 0x7d2c, 0x12d0,
+  0x7d30, 0x12c4, 0x7d34, 0x12b8, 0x7d37, 0x12ac, 0x7d3b, 0x12a0,
+  0x7d3f, 0x1294, 0x7d42, 0x1288, 0x7d46, 0x127c, 0x7d49, 0x1270,
+  0x7d4d, 0x1264, 0x7d51, 0x1258, 0x7d54, 0x124c, 0x7d58, 0x1240,
+  0x7d5b, 0x1234, 0x7d5f, 0x1228, 0x7d63, 0x121c, 0x7d66, 0x1210,
+  0x7d6a, 0x1204, 0x7d6d, 0x11f7, 0x7d71, 0x11eb, 0x7d74, 0x11df,
+  0x7d78, 0x11d3, 0x7d7b, 0x11c7, 0x7d7f, 0x11bb, 0x7d82, 0x11af,
+  0x7d86, 0x11a3, 0x7d89, 0x1197, 0x7d8d, 0x118b, 0x7d90, 0x117f,
+  0x7d93, 0x1173, 0x7d97, 0x1167, 0x7d9a, 0x115a, 0x7d9e, 0x114e,
+  0x7da1, 0x1142, 0x7da4, 0x1136, 0x7da8, 0x112a, 0x7dab, 0x111e,
+  0x7daf, 0x1112, 0x7db2, 0x1106, 0x7db5, 0x10fa, 0x7db9, 0x10ed,
+  0x7dbc, 0x10e1, 0x7dbf, 0x10d5, 0x7dc2, 0x10c9, 0x7dc6, 0x10bd,
+  0x7dc9, 0x10b1, 0x7dcc, 0x10a5, 0x7dd0, 0x1099, 0x7dd3, 0x108c,
+  0x7dd6, 0x1080, 0x7dd9, 0x1074, 0x7ddd, 0x1068, 0x7de0, 0x105c,
+  0x7de3, 0x1050, 0x7de6, 0x1044, 0x7de9, 0x1037, 0x7ded, 0x102b,
+  0x7df0, 0x101f, 0x7df3, 0x1013, 0x7df6, 0x1007, 0x7df9, 0xffb,
+  0x7dfc, 0xfee, 0x7dff, 0xfe2, 0x7e03, 0xfd6, 0x7e06, 0xfca,
+  0x7e09, 0xfbe, 0x7e0c, 0xfb2, 0x7e0f, 0xfa5, 0x7e12, 0xf99,
+  0x7e15, 0xf8d, 0x7e18, 0xf81, 0x7e1b, 0xf75, 0x7e1e, 0xf68,
+  0x7e21, 0xf5c, 0x7e24, 0xf50, 0x7e27, 0xf44, 0x7e2a, 0xf38,
+  0x7e2d, 0xf2b, 0x7e30, 0xf1f, 0x7e33, 0xf13, 0x7e36, 0xf07,
+  0x7e39, 0xefb, 0x7e3c, 0xeee, 0x7e3f, 0xee2, 0x7e42, 0xed6,
+  0x7e45, 0xeca, 0x7e48, 0xebd, 0x7e4a, 0xeb1, 0x7e4d, 0xea5,
+  0x7e50, 0xe99, 0x7e53, 0xe8c, 0x7e56, 0xe80, 0x7e59, 0xe74,
+  0x7e5c, 0xe68, 0x7e5e, 0xe5c, 0x7e61, 0xe4f, 0x7e64, 0xe43,
+  0x7e67, 0xe37, 0x7e6a, 0xe2b, 0x7e6c, 0xe1e, 0x7e6f, 0xe12,
+  0x7e72, 0xe06, 0x7e75, 0xdf9, 0x7e77, 0xded, 0x7e7a, 0xde1,
+  0x7e7d, 0xdd5, 0x7e80, 0xdc8, 0x7e82, 0xdbc, 0x7e85, 0xdb0,
+  0x7e88, 0xda4, 0x7e8a, 0xd97, 0x7e8d, 0xd8b, 0x7e90, 0xd7f,
+  0x7e92, 0xd72, 0x7e95, 0xd66, 0x7e98, 0xd5a, 0x7e9a, 0xd4e,
+  0x7e9d, 0xd41, 0x7e9f, 0xd35, 0x7ea2, 0xd29, 0x7ea5, 0xd1c,
+  0x7ea7, 0xd10, 0x7eaa, 0xd04, 0x7eac, 0xcf8, 0x7eaf, 0xceb,
+  0x7eb1, 0xcdf, 0x7eb4, 0xcd3, 0x7eb6, 0xcc6, 0x7eb9, 0xcba,
+  0x7ebb, 0xcae, 0x7ebe, 0xca1, 0x7ec0, 0xc95, 0x7ec3, 0xc89,
+  0x7ec5, 0xc7c, 0x7ec8, 0xc70, 0x7eca, 0xc64, 0x7ecc, 0xc57,
+  0x7ecf, 0xc4b, 0x7ed1, 0xc3f, 0x7ed4, 0xc32, 0x7ed6, 0xc26,
+  0x7ed8, 0xc1a, 0x7edb, 0xc0d, 0x7edd, 0xc01, 0x7ee0, 0xbf5,
+  0x7ee2, 0xbe8, 0x7ee4, 0xbdc, 0x7ee7, 0xbd0, 0x7ee9, 0xbc3,
+  0x7eeb, 0xbb7, 0x7eed, 0xbab, 0x7ef0, 0xb9e, 0x7ef2, 0xb92,
+  0x7ef4, 0xb85, 0x7ef7, 0xb79, 0x7ef9, 0xb6d, 0x7efb, 0xb60,
+  0x7efd, 0xb54, 0x7f00, 0xb48, 0x7f02, 0xb3b, 0x7f04, 0xb2f,
+  0x7f06, 0xb23, 0x7f08, 0xb16, 0x7f0a, 0xb0a, 0x7f0d, 0xafd,
+  0x7f0f, 0xaf1, 0x7f11, 0xae5, 0x7f13, 0xad8, 0x7f15, 0xacc,
+  0x7f17, 0xac0, 0x7f19, 0xab3, 0x7f1c, 0xaa7, 0x7f1e, 0xa9a,
+  0x7f20, 0xa8e, 0x7f22, 0xa82, 0x7f24, 0xa75, 0x7f26, 0xa69,
+  0x7f28, 0xa5c, 0x7f2a, 0xa50, 0x7f2c, 0xa44, 0x7f2e, 0xa37,
+  0x7f30, 0xa2b, 0x7f32, 0xa1e, 0x7f34, 0xa12, 0x7f36, 0xa06,
+  0x7f38, 0x9f9, 0x7f3a, 0x9ed, 0x7f3c, 0x9e0, 0x7f3e, 0x9d4,
+  0x7f40, 0x9c7, 0x7f42, 0x9bb, 0x7f43, 0x9af, 0x7f45, 0x9a2,
+  0x7f47, 0x996, 0x7f49, 0x989, 0x7f4b, 0x97d, 0x7f4d, 0x970,
+  0x7f4f, 0x964, 0x7f51, 0x958, 0x7f52, 0x94b, 0x7f54, 0x93f,
+  0x7f56, 0x932, 0x7f58, 0x926, 0x7f5a, 0x919, 0x7f5b, 0x90d,
+  0x7f5d, 0x901, 0x7f5f, 0x8f4, 0x7f61, 0x8e8, 0x7f62, 0x8db,
+  0x7f64, 0x8cf, 0x7f66, 0x8c2, 0x7f68, 0x8b6, 0x7f69, 0x8a9,
+  0x7f6b, 0x89d, 0x7f6d, 0x891, 0x7f6e, 0x884, 0x7f70, 0x878,
+  0x7f72, 0x86b, 0x7f73, 0x85f, 0x7f75, 0x852, 0x7f77, 0x846,
+  0x7f78, 0x839, 0x7f7a, 0x82d, 0x7f7b, 0x820, 0x7f7d, 0x814,
+  0x7f7f, 0x807, 0x7f80, 0x7fb, 0x7f82, 0x7ef, 0x7f83, 0x7e2,
+  0x7f85, 0x7d6, 0x7f86, 0x7c9, 0x7f88, 0x7bd, 0x7f89, 0x7b0,
+  0x7f8b, 0x7a4, 0x7f8c, 0x797, 0x7f8e, 0x78b, 0x7f8f, 0x77e,
+  0x7f91, 0x772, 0x7f92, 0x765, 0x7f94, 0x759, 0x7f95, 0x74c,
+  0x7f97, 0x740, 0x7f98, 0x733, 0x7f99, 0x727, 0x7f9b, 0x71a,
+  0x7f9c, 0x70e, 0x7f9e, 0x701, 0x7f9f, 0x6f5, 0x7fa0, 0x6e8,
+  0x7fa2, 0x6dc, 0x7fa3, 0x6cf, 0x7fa4, 0x6c3, 0x7fa6, 0x6b6,
+  0x7fa7, 0x6aa, 0x7fa8, 0x69d, 0x7faa, 0x691, 0x7fab, 0x684,
+  0x7fac, 0x678, 0x7fad, 0x66b, 0x7faf, 0x65f, 0x7fb0, 0x652,
+  0x7fb1, 0x646, 0x7fb2, 0x639, 0x7fb4, 0x62d, 0x7fb5, 0x620,
+  0x7fb6, 0x614, 0x7fb7, 0x607, 0x7fb8, 0x5fb, 0x7fb9, 0x5ee,
+  0x7fbb, 0x5e2, 0x7fbc, 0x5d5, 0x7fbd, 0x5c9, 0x7fbe, 0x5bc,
+  0x7fbf, 0x5b0, 0x7fc0, 0x5a3, 0x7fc1, 0x597, 0x7fc3, 0x58a,
+  0x7fc4, 0x57e, 0x7fc5, 0x571, 0x7fc6, 0x565, 0x7fc7, 0x558,
+  0x7fc8, 0x54c, 0x7fc9, 0x53f, 0x7fca, 0x533, 0x7fcb, 0x526,
+  0x7fcc, 0x51a, 0x7fcd, 0x50d, 0x7fce, 0x500, 0x7fcf, 0x4f4,
+  0x7fd0, 0x4e7, 0x7fd1, 0x4db, 0x7fd2, 0x4ce, 0x7fd3, 0x4c2,
+  0x7fd4, 0x4b5, 0x7fd5, 0x4a9, 0x7fd5, 0x49c, 0x7fd6, 0x490,
+  0x7fd7, 0x483, 0x7fd8, 0x477, 0x7fd9, 0x46a, 0x7fda, 0x45e,
+  0x7fdb, 0x451, 0x7fdc, 0x444, 0x7fdc, 0x438, 0x7fdd, 0x42b,
+  0x7fde, 0x41f, 0x7fdf, 0x412, 0x7fe0, 0x406, 0x7fe0, 0x3f9,
+  0x7fe1, 0x3ed, 0x7fe2, 0x3e0, 0x7fe3, 0x3d4, 0x7fe3, 0x3c7,
+  0x7fe4, 0x3bb, 0x7fe5, 0x3ae, 0x7fe6, 0x3a1, 0x7fe6, 0x395,
+  0x7fe7, 0x388, 0x7fe8, 0x37c, 0x7fe8, 0x36f, 0x7fe9, 0x363,
+  0x7fea, 0x356, 0x7fea, 0x34a, 0x7feb, 0x33d, 0x7fec, 0x330,
+  0x7fec, 0x324, 0x7fed, 0x317, 0x7fed, 0x30b, 0x7fee, 0x2fe,
+  0x7fef, 0x2f2, 0x7fef, 0x2e5, 0x7ff0, 0x2d9, 0x7ff0, 0x2cc,
+  0x7ff1, 0x2c0, 0x7ff1, 0x2b3, 0x7ff2, 0x2a6, 0x7ff2, 0x29a,
+  0x7ff3, 0x28d, 0x7ff3, 0x281, 0x7ff4, 0x274, 0x7ff4, 0x268,
+  0x7ff5, 0x25b, 0x7ff5, 0x24e, 0x7ff6, 0x242, 0x7ff6, 0x235,
+  0x7ff7, 0x229, 0x7ff7, 0x21c, 0x7ff7, 0x210, 0x7ff8, 0x203,
+  0x7ff8, 0x1f7, 0x7ff9, 0x1ea, 0x7ff9, 0x1dd, 0x7ff9, 0x1d1,
+  0x7ffa, 0x1c4, 0x7ffa, 0x1b8, 0x7ffa, 0x1ab, 0x7ffb, 0x19f,
+  0x7ffb, 0x192, 0x7ffb, 0x186, 0x7ffc, 0x179, 0x7ffc, 0x16c,
+  0x7ffc, 0x160, 0x7ffc, 0x153, 0x7ffd, 0x147, 0x7ffd, 0x13a,
+  0x7ffd, 0x12e, 0x7ffd, 0x121, 0x7ffe, 0x114, 0x7ffe, 0x108,
+  0x7ffe, 0xfb, 0x7ffe, 0xef, 0x7ffe, 0xe2, 0x7fff, 0xd6,
+  0x7fff, 0xc9, 0x7fff, 0xbc, 0x7fff, 0xb0, 0x7fff, 0xa3,
+  0x7fff, 0x97, 0x7fff, 0x8a, 0x7fff, 0x7e, 0x7fff, 0x71,
+  0x7fff, 0x65, 0x7fff, 0x58, 0x7fff, 0x4b, 0x7fff, 0x3f,
+  0x7fff, 0x32, 0x7fff, 0x26, 0x7fff, 0x19, 0x7fff, 0xd,
+  0x7fff, 0x0, 0x7fff, 0xfff3, 0x7fff, 0xffe7, 0x7fff, 0xffda,
+  0x7fff, 0xffce, 0x7fff, 0xffc1, 0x7fff, 0xffb5, 0x7fff, 0xffa8,
+  0x7fff, 0xff9b, 0x7fff, 0xff8f, 0x7fff, 0xff82, 0x7fff, 0xff76,
+  0x7fff, 0xff69, 0x7fff, 0xff5d, 0x7fff, 0xff50, 0x7fff, 0xff44,
+  0x7fff, 0xff37, 0x7fff, 0xff2a, 0x7ffe, 0xff1e, 0x7ffe, 0xff11,
+  0x7ffe, 0xff05, 0x7ffe, 0xfef8, 0x7ffe, 0xfeec, 0x7ffd, 0xfedf,
+  0x7ffd, 0xfed2, 0x7ffd, 0xfec6, 0x7ffd, 0xfeb9, 0x7ffc, 0xfead,
+  0x7ffc, 0xfea0, 0x7ffc, 0xfe94, 0x7ffc, 0xfe87, 0x7ffb, 0xfe7a,
+  0x7ffb, 0xfe6e, 0x7ffb, 0xfe61, 0x7ffa, 0xfe55, 0x7ffa, 0xfe48,
+  0x7ffa, 0xfe3c, 0x7ff9, 0xfe2f, 0x7ff9, 0xfe23, 0x7ff9, 0xfe16,
+  0x7ff8, 0xfe09, 0x7ff8, 0xfdfd, 0x7ff7, 0xfdf0, 0x7ff7, 0xfde4,
+  0x7ff7, 0xfdd7, 0x7ff6, 0xfdcb, 0x7ff6, 0xfdbe, 0x7ff5, 0xfdb2,
+  0x7ff5, 0xfda5, 0x7ff4, 0xfd98, 0x7ff4, 0xfd8c, 0x7ff3, 0xfd7f,
+  0x7ff3, 0xfd73, 0x7ff2, 0xfd66, 0x7ff2, 0xfd5a, 0x7ff1, 0xfd4d,
+  0x7ff1, 0xfd40, 0x7ff0, 0xfd34, 0x7ff0, 0xfd27, 0x7fef, 0xfd1b,
+  0x7fef, 0xfd0e, 0x7fee, 0xfd02, 0x7fed, 0xfcf5, 0x7fed, 0xfce9,
+  0x7fec, 0xfcdc, 0x7fec, 0xfcd0, 0x7feb, 0xfcc3, 0x7fea, 0xfcb6,
+  0x7fea, 0xfcaa, 0x7fe9, 0xfc9d, 0x7fe8, 0xfc91, 0x7fe8, 0xfc84,
+  0x7fe7, 0xfc78, 0x7fe6, 0xfc6b, 0x7fe6, 0xfc5f, 0x7fe5, 0xfc52,
+  0x7fe4, 0xfc45, 0x7fe3, 0xfc39, 0x7fe3, 0xfc2c, 0x7fe2, 0xfc20,
+  0x7fe1, 0xfc13, 0x7fe0, 0xfc07, 0x7fe0, 0xfbfa, 0x7fdf, 0xfbee,
+  0x7fde, 0xfbe1, 0x7fdd, 0xfbd5, 0x7fdc, 0xfbc8, 0x7fdc, 0xfbbc,
+  0x7fdb, 0xfbaf, 0x7fda, 0xfba2, 0x7fd9, 0xfb96, 0x7fd8, 0xfb89,
+  0x7fd7, 0xfb7d, 0x7fd6, 0xfb70, 0x7fd5, 0xfb64, 0x7fd5, 0xfb57,
+  0x7fd4, 0xfb4b, 0x7fd3, 0xfb3e, 0x7fd2, 0xfb32, 0x7fd1, 0xfb25,
+  0x7fd0, 0xfb19, 0x7fcf, 0xfb0c, 0x7fce, 0xfb00, 0x7fcd, 0xfaf3,
+  0x7fcc, 0xfae6, 0x7fcb, 0xfada, 0x7fca, 0xfacd, 0x7fc9, 0xfac1,
+  0x7fc8, 0xfab4, 0x7fc7, 0xfaa8, 0x7fc6, 0xfa9b, 0x7fc5, 0xfa8f,
+  0x7fc4, 0xfa82, 0x7fc3, 0xfa76, 0x7fc1, 0xfa69, 0x7fc0, 0xfa5d,
+  0x7fbf, 0xfa50, 0x7fbe, 0xfa44, 0x7fbd, 0xfa37, 0x7fbc, 0xfa2b,
+  0x7fbb, 0xfa1e, 0x7fb9, 0xfa12, 0x7fb8, 0xfa05, 0x7fb7, 0xf9f9,
+  0x7fb6, 0xf9ec, 0x7fb5, 0xf9e0, 0x7fb4, 0xf9d3, 0x7fb2, 0xf9c7,
+  0x7fb1, 0xf9ba, 0x7fb0, 0xf9ae, 0x7faf, 0xf9a1, 0x7fad, 0xf995,
+  0x7fac, 0xf988, 0x7fab, 0xf97c, 0x7faa, 0xf96f, 0x7fa8, 0xf963,
+  0x7fa7, 0xf956, 0x7fa6, 0xf94a, 0x7fa4, 0xf93d, 0x7fa3, 0xf931,
+  0x7fa2, 0xf924, 0x7fa0, 0xf918, 0x7f9f, 0xf90b, 0x7f9e, 0xf8ff,
+  0x7f9c, 0xf8f2, 0x7f9b, 0xf8e6, 0x7f99, 0xf8d9, 0x7f98, 0xf8cd,
+  0x7f97, 0xf8c0, 0x7f95, 0xf8b4, 0x7f94, 0xf8a7, 0x7f92, 0xf89b,
+  0x7f91, 0xf88e, 0x7f8f, 0xf882, 0x7f8e, 0xf875, 0x7f8c, 0xf869,
+  0x7f8b, 0xf85c, 0x7f89, 0xf850, 0x7f88, 0xf843, 0x7f86, 0xf837,
+  0x7f85, 0xf82a, 0x7f83, 0xf81e, 0x7f82, 0xf811, 0x7f80, 0xf805,
+  0x7f7f, 0xf7f9, 0x7f7d, 0xf7ec, 0x7f7b, 0xf7e0, 0x7f7a, 0xf7d3,
+  0x7f78, 0xf7c7, 0x7f77, 0xf7ba, 0x7f75, 0xf7ae, 0x7f73, 0xf7a1,
+  0x7f72, 0xf795, 0x7f70, 0xf788, 0x7f6e, 0xf77c, 0x7f6d, 0xf76f,
+  0x7f6b, 0xf763, 0x7f69, 0xf757, 0x7f68, 0xf74a, 0x7f66, 0xf73e,
+  0x7f64, 0xf731, 0x7f62, 0xf725, 0x7f61, 0xf718, 0x7f5f, 0xf70c,
+  0x7f5d, 0xf6ff, 0x7f5b, 0xf6f3, 0x7f5a, 0xf6e7, 0x7f58, 0xf6da,
+  0x7f56, 0xf6ce, 0x7f54, 0xf6c1, 0x7f52, 0xf6b5, 0x7f51, 0xf6a8,
+  0x7f4f, 0xf69c, 0x7f4d, 0xf690, 0x7f4b, 0xf683, 0x7f49, 0xf677,
+  0x7f47, 0xf66a, 0x7f45, 0xf65e, 0x7f43, 0xf651, 0x7f42, 0xf645,
+  0x7f40, 0xf639, 0x7f3e, 0xf62c, 0x7f3c, 0xf620, 0x7f3a, 0xf613,
+  0x7f38, 0xf607, 0x7f36, 0xf5fa, 0x7f34, 0xf5ee, 0x7f32, 0xf5e2,
+  0x7f30, 0xf5d5, 0x7f2e, 0xf5c9, 0x7f2c, 0xf5bc, 0x7f2a, 0xf5b0,
+  0x7f28, 0xf5a4, 0x7f26, 0xf597, 0x7f24, 0xf58b, 0x7f22, 0xf57e,
+  0x7f20, 0xf572, 0x7f1e, 0xf566, 0x7f1c, 0xf559, 0x7f19, 0xf54d,
+  0x7f17, 0xf540, 0x7f15, 0xf534, 0x7f13, 0xf528, 0x7f11, 0xf51b,
+  0x7f0f, 0xf50f, 0x7f0d, 0xf503, 0x7f0a, 0xf4f6, 0x7f08, 0xf4ea,
+  0x7f06, 0xf4dd, 0x7f04, 0xf4d1, 0x7f02, 0xf4c5, 0x7f00, 0xf4b8,
+  0x7efd, 0xf4ac, 0x7efb, 0xf4a0, 0x7ef9, 0xf493, 0x7ef7, 0xf487,
+  0x7ef4, 0xf47b, 0x7ef2, 0xf46e, 0x7ef0, 0xf462, 0x7eed, 0xf455,
+  0x7eeb, 0xf449, 0x7ee9, 0xf43d, 0x7ee7, 0xf430, 0x7ee4, 0xf424,
+  0x7ee2, 0xf418, 0x7ee0, 0xf40b, 0x7edd, 0xf3ff, 0x7edb, 0xf3f3,
+  0x7ed8, 0xf3e6, 0x7ed6, 0xf3da, 0x7ed4, 0xf3ce, 0x7ed1, 0xf3c1,
+  0x7ecf, 0xf3b5, 0x7ecc, 0xf3a9, 0x7eca, 0xf39c, 0x7ec8, 0xf390,
+  0x7ec5, 0xf384, 0x7ec3, 0xf377, 0x7ec0, 0xf36b, 0x7ebe, 0xf35f,
+  0x7ebb, 0xf352, 0x7eb9, 0xf346, 0x7eb6, 0xf33a, 0x7eb4, 0xf32d,
+  0x7eb1, 0xf321, 0x7eaf, 0xf315, 0x7eac, 0xf308, 0x7eaa, 0xf2fc,
+  0x7ea7, 0xf2f0, 0x7ea5, 0xf2e4, 0x7ea2, 0xf2d7, 0x7e9f, 0xf2cb,
+  0x7e9d, 0xf2bf, 0x7e9a, 0xf2b2, 0x7e98, 0xf2a6, 0x7e95, 0xf29a,
+  0x7e92, 0xf28e, 0x7e90, 0xf281, 0x7e8d, 0xf275, 0x7e8a, 0xf269,
+  0x7e88, 0xf25c, 0x7e85, 0xf250, 0x7e82, 0xf244, 0x7e80, 0xf238,
+  0x7e7d, 0xf22b, 0x7e7a, 0xf21f, 0x7e77, 0xf213, 0x7e75, 0xf207,
+  0x7e72, 0xf1fa, 0x7e6f, 0xf1ee, 0x7e6c, 0xf1e2, 0x7e6a, 0xf1d5,
+  0x7e67, 0xf1c9, 0x7e64, 0xf1bd, 0x7e61, 0xf1b1, 0x7e5e, 0xf1a4,
+  0x7e5c, 0xf198, 0x7e59, 0xf18c, 0x7e56, 0xf180, 0x7e53, 0xf174,
+  0x7e50, 0xf167, 0x7e4d, 0xf15b, 0x7e4a, 0xf14f, 0x7e48, 0xf143,
+  0x7e45, 0xf136, 0x7e42, 0xf12a, 0x7e3f, 0xf11e, 0x7e3c, 0xf112,
+  0x7e39, 0xf105, 0x7e36, 0xf0f9, 0x7e33, 0xf0ed, 0x7e30, 0xf0e1,
+  0x7e2d, 0xf0d5, 0x7e2a, 0xf0c8, 0x7e27, 0xf0bc, 0x7e24, 0xf0b0,
+  0x7e21, 0xf0a4, 0x7e1e, 0xf098, 0x7e1b, 0xf08b, 0x7e18, 0xf07f,
+  0x7e15, 0xf073, 0x7e12, 0xf067, 0x7e0f, 0xf05b, 0x7e0c, 0xf04e,
+  0x7e09, 0xf042, 0x7e06, 0xf036, 0x7e03, 0xf02a, 0x7dff, 0xf01e,
+  0x7dfc, 0xf012, 0x7df9, 0xf005, 0x7df6, 0xeff9, 0x7df3, 0xefed,
+  0x7df0, 0xefe1, 0x7ded, 0xefd5, 0x7de9, 0xefc9, 0x7de6, 0xefbc,
+  0x7de3, 0xefb0, 0x7de0, 0xefa4, 0x7ddd, 0xef98, 0x7dd9, 0xef8c,
+  0x7dd6, 0xef80, 0x7dd3, 0xef74, 0x7dd0, 0xef67, 0x7dcc, 0xef5b,
+  0x7dc9, 0xef4f, 0x7dc6, 0xef43, 0x7dc2, 0xef37, 0x7dbf, 0xef2b,
+  0x7dbc, 0xef1f, 0x7db9, 0xef13, 0x7db5, 0xef06, 0x7db2, 0xeefa,
+  0x7daf, 0xeeee, 0x7dab, 0xeee2, 0x7da8, 0xeed6, 0x7da4, 0xeeca,
+  0x7da1, 0xeebe, 0x7d9e, 0xeeb2, 0x7d9a, 0xeea6, 0x7d97, 0xee99,
+  0x7d93, 0xee8d, 0x7d90, 0xee81, 0x7d8d, 0xee75, 0x7d89, 0xee69,
+  0x7d86, 0xee5d, 0x7d82, 0xee51, 0x7d7f, 0xee45, 0x7d7b, 0xee39,
+  0x7d78, 0xee2d, 0x7d74, 0xee21, 0x7d71, 0xee15, 0x7d6d, 0xee09,
+  0x7d6a, 0xedfc, 0x7d66, 0xedf0, 0x7d63, 0xede4, 0x7d5f, 0xedd8,
+  0x7d5b, 0xedcc, 0x7d58, 0xedc0, 0x7d54, 0xedb4, 0x7d51, 0xeda8,
+  0x7d4d, 0xed9c, 0x7d49, 0xed90, 0x7d46, 0xed84, 0x7d42, 0xed78,
+  0x7d3f, 0xed6c, 0x7d3b, 0xed60, 0x7d37, 0xed54, 0x7d34, 0xed48,
+  0x7d30, 0xed3c, 0x7d2c, 0xed30, 0x7d28, 0xed24, 0x7d25, 0xed18,
+  0x7d21, 0xed0c, 0x7d1d, 0xed00, 0x7d1a, 0xecf4, 0x7d16, 0xece8,
+  0x7d12, 0xecdc, 0x7d0e, 0xecd0, 0x7d0b, 0xecc4, 0x7d07, 0xecb8,
+  0x7d03, 0xecac, 0x7cff, 0xeca0, 0x7cfb, 0xec94, 0x7cf8, 0xec88,
+  0x7cf4, 0xec7c, 0x7cf0, 0xec70, 0x7cec, 0xec64, 0x7ce8, 0xec58,
+  0x7ce4, 0xec4c, 0x7ce0, 0xec40, 0x7cdd, 0xec34, 0x7cd9, 0xec28,
+  0x7cd5, 0xec1c, 0x7cd1, 0xec10, 0x7ccd, 0xec05, 0x7cc9, 0xebf9,
+  0x7cc5, 0xebed, 0x7cc1, 0xebe1, 0x7cbd, 0xebd5, 0x7cb9, 0xebc9,
+  0x7cb5, 0xebbd, 0x7cb1, 0xebb1, 0x7cad, 0xeba5, 0x7ca9, 0xeb99,
+  0x7ca5, 0xeb8d, 0x7ca1, 0xeb81, 0x7c9d, 0xeb75, 0x7c99, 0xeb6a,
+  0x7c95, 0xeb5e, 0x7c91, 0xeb52, 0x7c8d, 0xeb46, 0x7c89, 0xeb3a,
+  0x7c85, 0xeb2e, 0x7c81, 0xeb22, 0x7c7d, 0xeb16, 0x7c79, 0xeb0a,
+  0x7c74, 0xeaff, 0x7c70, 0xeaf3, 0x7c6c, 0xeae7, 0x7c68, 0xeadb,
+  0x7c64, 0xeacf, 0x7c60, 0xeac3, 0x7c5b, 0xeab7, 0x7c57, 0xeaac,
+  0x7c53, 0xeaa0, 0x7c4f, 0xea94, 0x7c4b, 0xea88, 0x7c46, 0xea7c,
+  0x7c42, 0xea70, 0x7c3e, 0xea65, 0x7c3a, 0xea59, 0x7c36, 0xea4d,
+  0x7c31, 0xea41, 0x7c2d, 0xea35, 0x7c29, 0xea29, 0x7c24, 0xea1e,
+  0x7c20, 0xea12, 0x7c1c, 0xea06, 0x7c17, 0xe9fa, 0x7c13, 0xe9ee,
+  0x7c0f, 0xe9e3, 0x7c0a, 0xe9d7, 0x7c06, 0xe9cb, 0x7c02, 0xe9bf,
+  0x7bfd, 0xe9b4, 0x7bf9, 0xe9a8, 0x7bf5, 0xe99c, 0x7bf0, 0xe990,
+  0x7bec, 0xe984, 0x7be7, 0xe979, 0x7be3, 0xe96d, 0x7bde, 0xe961,
+  0x7bda, 0xe955, 0x7bd6, 0xe94a, 0x7bd1, 0xe93e, 0x7bcd, 0xe932,
+  0x7bc8, 0xe926, 0x7bc4, 0xe91b, 0x7bbf, 0xe90f, 0x7bbb, 0xe903,
+  0x7bb6, 0xe8f7, 0x7bb2, 0xe8ec, 0x7bad, 0xe8e0, 0x7ba9, 0xe8d4,
+  0x7ba4, 0xe8c9, 0x7b9f, 0xe8bd, 0x7b9b, 0xe8b1, 0x7b96, 0xe8a5,
+  0x7b92, 0xe89a, 0x7b8d, 0xe88e, 0x7b88, 0xe882, 0x7b84, 0xe877,
+  0x7b7f, 0xe86b, 0x7b7b, 0xe85f, 0x7b76, 0xe854, 0x7b71, 0xe848,
+  0x7b6d, 0xe83c, 0x7b68, 0xe831, 0x7b63, 0xe825, 0x7b5f, 0xe819,
+  0x7b5a, 0xe80e, 0x7b55, 0xe802, 0x7b50, 0xe7f6, 0x7b4c, 0xe7eb,
+  0x7b47, 0xe7df, 0x7b42, 0xe7d3, 0x7b3e, 0xe7c8, 0x7b39, 0xe7bc,
+  0x7b34, 0xe7b1, 0x7b2f, 0xe7a5, 0x7b2a, 0xe799, 0x7b26, 0xe78e,
+  0x7b21, 0xe782, 0x7b1c, 0xe777, 0x7b17, 0xe76b, 0x7b12, 0xe75f,
+  0x7b0e, 0xe754, 0x7b09, 0xe748, 0x7b04, 0xe73d, 0x7aff, 0xe731,
+  0x7afa, 0xe725, 0x7af5, 0xe71a, 0x7af0, 0xe70e, 0x7aeb, 0xe703,
+  0x7ae6, 0xe6f7, 0x7ae2, 0xe6ec, 0x7add, 0xe6e0, 0x7ad8, 0xe6d4,
+  0x7ad3, 0xe6c9, 0x7ace, 0xe6bd, 0x7ac9, 0xe6b2, 0x7ac4, 0xe6a6,
+  0x7abf, 0xe69b, 0x7aba, 0xe68f, 0x7ab5, 0xe684, 0x7ab0, 0xe678,
+  0x7aab, 0xe66d, 0x7aa6, 0xe661, 0x7aa1, 0xe656, 0x7a9c, 0xe64a,
+  0x7a97, 0xe63f, 0x7a92, 0xe633, 0x7a8d, 0xe628, 0x7a88, 0xe61c,
+  0x7a82, 0xe611, 0x7a7d, 0xe605, 0x7a78, 0xe5fa, 0x7a73, 0xe5ee,
+  0x7a6e, 0xe5e3, 0x7a69, 0xe5d7, 0x7a64, 0xe5cc, 0x7a5f, 0xe5c0,
+  0x7a59, 0xe5b5, 0x7a54, 0xe5a9, 0x7a4f, 0xe59e, 0x7a4a, 0xe592,
+  0x7a45, 0xe587, 0x7a3f, 0xe57c, 0x7a3a, 0xe570, 0x7a35, 0xe565,
+  0x7a30, 0xe559, 0x7a2b, 0xe54e, 0x7a25, 0xe542, 0x7a20, 0xe537,
+  0x7a1b, 0xe52c, 0x7a16, 0xe520, 0x7a10, 0xe515, 0x7a0b, 0xe509,
+  0x7a06, 0xe4fe, 0x7a00, 0xe4f3, 0x79fb, 0xe4e7, 0x79f6, 0xe4dc,
+  0x79f0, 0xe4d0, 0x79eb, 0xe4c5, 0x79e6, 0xe4ba, 0x79e0, 0xe4ae,
+  0x79db, 0xe4a3, 0x79d6, 0xe498, 0x79d0, 0xe48c, 0x79cb, 0xe481,
+  0x79c5, 0xe476, 0x79c0, 0xe46a, 0x79bb, 0xe45f, 0x79b5, 0xe454,
+  0x79b0, 0xe448, 0x79aa, 0xe43d, 0x79a5, 0xe432, 0x799f, 0xe426,
+  0x799a, 0xe41b, 0x7994, 0xe410, 0x798f, 0xe404, 0x7989, 0xe3f9,
+  0x7984, 0xe3ee, 0x797e, 0xe3e2, 0x7979, 0xe3d7, 0x7973, 0xe3cc,
+  0x796e, 0xe3c1, 0x7968, 0xe3b5, 0x7963, 0xe3aa, 0x795d, 0xe39f,
+  0x7958, 0xe394, 0x7952, 0xe388, 0x794c, 0xe37d, 0x7947, 0xe372,
+  0x7941, 0xe367, 0x793b, 0xe35b, 0x7936, 0xe350, 0x7930, 0xe345,
+  0x792b, 0xe33a, 0x7925, 0xe32e, 0x791f, 0xe323, 0x791a, 0xe318,
+  0x7914, 0xe30d, 0x790e, 0xe301, 0x7909, 0xe2f6, 0x7903, 0xe2eb,
+  0x78fd, 0xe2e0, 0x78f7, 0xe2d5, 0x78f2, 0xe2ca, 0x78ec, 0xe2be,
+  0x78e6, 0xe2b3, 0x78e0, 0xe2a8, 0x78db, 0xe29d, 0x78d5, 0xe292,
+  0x78cf, 0xe287, 0x78c9, 0xe27b, 0x78c3, 0xe270, 0x78be, 0xe265,
+  0x78b8, 0xe25a, 0x78b2, 0xe24f, 0x78ac, 0xe244, 0x78a6, 0xe239,
+  0x78a1, 0xe22d, 0x789b, 0xe222, 0x7895, 0xe217, 0x788f, 0xe20c,
+  0x7889, 0xe201, 0x7883, 0xe1f6, 0x787d, 0xe1eb, 0x7877, 0xe1e0,
+  0x7871, 0xe1d5, 0x786b, 0xe1ca, 0x7866, 0xe1be, 0x7860, 0xe1b3,
+  0x785a, 0xe1a8, 0x7854, 0xe19d, 0x784e, 0xe192, 0x7848, 0xe187,
+  0x7842, 0xe17c, 0x783c, 0xe171, 0x7836, 0xe166, 0x7830, 0xe15b,
+  0x782a, 0xe150, 0x7824, 0xe145, 0x781e, 0xe13a, 0x7818, 0xe12f,
+  0x7812, 0xe124, 0x780b, 0xe119, 0x7805, 0xe10e, 0x77ff, 0xe103,
+  0x77f9, 0xe0f8, 0x77f3, 0xe0ed, 0x77ed, 0xe0e2, 0x77e7, 0xe0d7,
+  0x77e1, 0xe0cc, 0x77db, 0xe0c1, 0x77d5, 0xe0b6, 0x77ce, 0xe0ab,
+  0x77c8, 0xe0a0, 0x77c2, 0xe095, 0x77bc, 0xe08a, 0x77b6, 0xe07f,
+  0x77b0, 0xe074, 0x77a9, 0xe069, 0x77a3, 0xe05e, 0x779d, 0xe054,
+  0x7797, 0xe049, 0x7790, 0xe03e, 0x778a, 0xe033, 0x7784, 0xe028,
+  0x777e, 0xe01d, 0x7777, 0xe012, 0x7771, 0xe007, 0x776b, 0xdffc,
+  0x7765, 0xdff1, 0x775e, 0xdfe7, 0x7758, 0xdfdc, 0x7752, 0xdfd1,
+  0x774b, 0xdfc6, 0x7745, 0xdfbb, 0x773f, 0xdfb0, 0x7738, 0xdfa5,
+  0x7732, 0xdf9b, 0x772c, 0xdf90, 0x7725, 0xdf85, 0x771f, 0xdf7a,
+  0x7718, 0xdf6f, 0x7712, 0xdf65, 0x770c, 0xdf5a, 0x7705, 0xdf4f,
+  0x76ff, 0xdf44, 0x76f8, 0xdf39, 0x76f2, 0xdf2f, 0x76eb, 0xdf24,
+  0x76e5, 0xdf19, 0x76df, 0xdf0e, 0x76d8, 0xdf03, 0x76d2, 0xdef9,
+  0x76cb, 0xdeee, 0x76c5, 0xdee3, 0x76be, 0xded8, 0x76b8, 0xdece,
+  0x76b1, 0xdec3, 0x76ab, 0xdeb8, 0x76a4, 0xdead, 0x769d, 0xdea3,
+  0x7697, 0xde98, 0x7690, 0xde8d, 0x768a, 0xde83, 0x7683, 0xde78,
+  0x767d, 0xde6d, 0x7676, 0xde62, 0x766f, 0xde58, 0x7669, 0xde4d,
+  0x7662, 0xde42, 0x765c, 0xde38, 0x7655, 0xde2d, 0x764e, 0xde22,
+  0x7648, 0xde18, 0x7641, 0xde0d, 0x763a, 0xde02, 0x7634, 0xddf8,
+  0x762d, 0xdded, 0x7626, 0xdde2, 0x7620, 0xddd8, 0x7619, 0xddcd,
+  0x7612, 0xddc3, 0x760b, 0xddb8, 0x7605, 0xddad, 0x75fe, 0xdda3,
+  0x75f7, 0xdd98, 0x75f0, 0xdd8e, 0x75ea, 0xdd83, 0x75e3, 0xdd78,
+  0x75dc, 0xdd6e, 0x75d5, 0xdd63, 0x75ce, 0xdd59, 0x75c8, 0xdd4e,
+  0x75c1, 0xdd44, 0x75ba, 0xdd39, 0x75b3, 0xdd2e, 0x75ac, 0xdd24,
+  0x75a5, 0xdd19, 0x759f, 0xdd0f, 0x7598, 0xdd04, 0x7591, 0xdcfa,
+  0x758a, 0xdcef, 0x7583, 0xdce5, 0x757c, 0xdcda, 0x7575, 0xdcd0,
+  0x756e, 0xdcc5, 0x7567, 0xdcbb, 0x7561, 0xdcb0, 0x755a, 0xdca6,
+  0x7553, 0xdc9b, 0x754c, 0xdc91, 0x7545, 0xdc86, 0x753e, 0xdc7c,
+  0x7537, 0xdc72, 0x7530, 0xdc67, 0x7529, 0xdc5d, 0x7522, 0xdc52,
+  0x751b, 0xdc48, 0x7514, 0xdc3d, 0x750d, 0xdc33, 0x7506, 0xdc29,
+  0x74ff, 0xdc1e, 0x74f8, 0xdc14, 0x74f1, 0xdc09, 0x74ea, 0xdbff,
+  0x74e2, 0xdbf5, 0x74db, 0xdbea, 0x74d4, 0xdbe0, 0x74cd, 0xdbd5,
+  0x74c6, 0xdbcb, 0x74bf, 0xdbc1, 0x74b8, 0xdbb6, 0x74b1, 0xdbac,
+  0x74aa, 0xdba2, 0x74a2, 0xdb97, 0x749b, 0xdb8d, 0x7494, 0xdb83,
+  0x748d, 0xdb78, 0x7486, 0xdb6e, 0x747f, 0xdb64, 0x7477, 0xdb59,
+  0x7470, 0xdb4f, 0x7469, 0xdb45, 0x7462, 0xdb3b, 0x745b, 0xdb30,
+  0x7453, 0xdb26, 0x744c, 0xdb1c, 0x7445, 0xdb11, 0x743e, 0xdb07,
+  0x7436, 0xdafd, 0x742f, 0xdaf3, 0x7428, 0xdae8, 0x7420, 0xdade,
+  0x7419, 0xdad4, 0x7412, 0xdaca, 0x740b, 0xdabf, 0x7403, 0xdab5,
+  0x73fc, 0xdaab, 0x73f5, 0xdaa1, 0x73ed, 0xda97, 0x73e6, 0xda8c,
+  0x73df, 0xda82, 0x73d7, 0xda78, 0x73d0, 0xda6e, 0x73c8, 0xda64,
+  0x73c1, 0xda5a, 0x73ba, 0xda4f, 0x73b2, 0xda45, 0x73ab, 0xda3b,
+  0x73a3, 0xda31, 0x739c, 0xda27, 0x7395, 0xda1d, 0x738d, 0xda13,
+  0x7386, 0xda08, 0x737e, 0xd9fe, 0x7377, 0xd9f4, 0x736f, 0xd9ea,
+  0x7368, 0xd9e0, 0x7360, 0xd9d6, 0x7359, 0xd9cc, 0x7351, 0xd9c2,
+  0x734a, 0xd9b8, 0x7342, 0xd9ae, 0x733b, 0xd9a4, 0x7333, 0xd99a,
+  0x732c, 0xd98f, 0x7324, 0xd985, 0x731d, 0xd97b, 0x7315, 0xd971,
+  0x730d, 0xd967, 0x7306, 0xd95d, 0x72fe, 0xd953, 0x72f7, 0xd949,
+  0x72ef, 0xd93f, 0x72e7, 0xd935, 0x72e0, 0xd92b, 0x72d8, 0xd921,
+  0x72d0, 0xd917, 0x72c9, 0xd90d, 0x72c1, 0xd903, 0x72ba, 0xd8f9,
+  0x72b2, 0xd8ef, 0x72aa, 0xd8e6, 0x72a3, 0xd8dc, 0x729b, 0xd8d2,
+  0x7293, 0xd8c8, 0x728b, 0xd8be, 0x7284, 0xd8b4, 0x727c, 0xd8aa,
+  0x7274, 0xd8a0, 0x726d, 0xd896, 0x7265, 0xd88c, 0x725d, 0xd882,
+  0x7255, 0xd878, 0x724e, 0xd86f, 0x7246, 0xd865, 0x723e, 0xd85b,
+  0x7236, 0xd851, 0x722e, 0xd847, 0x7227, 0xd83d, 0x721f, 0xd833,
+  0x7217, 0xd82a, 0x720f, 0xd820, 0x7207, 0xd816, 0x71ff, 0xd80c,
+  0x71f8, 0xd802, 0x71f0, 0xd7f8, 0x71e8, 0xd7ef, 0x71e0, 0xd7e5,
+  0x71d8, 0xd7db, 0x71d0, 0xd7d1, 0x71c8, 0xd7c8, 0x71c0, 0xd7be,
+  0x71b9, 0xd7b4, 0x71b1, 0xd7aa, 0x71a9, 0xd7a0, 0x71a1, 0xd797,
+  0x7199, 0xd78d, 0x7191, 0xd783, 0x7189, 0xd77a, 0x7181, 0xd770,
+  0x7179, 0xd766, 0x7171, 0xd75c, 0x7169, 0xd753, 0x7161, 0xd749,
+  0x7159, 0xd73f, 0x7151, 0xd736, 0x7149, 0xd72c, 0x7141, 0xd722,
+  0x7139, 0xd719, 0x7131, 0xd70f, 0x7129, 0xd705, 0x7121, 0xd6fc,
+  0x7119, 0xd6f2, 0x7111, 0xd6e8, 0x7109, 0xd6df, 0x7101, 0xd6d5,
+  0x70f9, 0xd6cb, 0x70f0, 0xd6c2, 0x70e8, 0xd6b8, 0x70e0, 0xd6af,
+  0x70d8, 0xd6a5, 0x70d0, 0xd69b, 0x70c8, 0xd692, 0x70c0, 0xd688,
+  0x70b8, 0xd67f, 0x70af, 0xd675, 0x70a7, 0xd66c, 0x709f, 0xd662,
+  0x7097, 0xd659, 0x708f, 0xd64f, 0x7087, 0xd645, 0x707e, 0xd63c,
+  0x7076, 0xd632, 0x706e, 0xd629, 0x7066, 0xd61f, 0x705d, 0xd616,
+  0x7055, 0xd60c, 0x704d, 0xd603, 0x7045, 0xd5f9, 0x703c, 0xd5f0,
+  0x7034, 0xd5e6, 0x702c, 0xd5dd, 0x7024, 0xd5d4, 0x701b, 0xd5ca,
+  0x7013, 0xd5c1, 0x700b, 0xd5b7, 0x7002, 0xd5ae, 0x6ffa, 0xd5a4,
+  0x6ff2, 0xd59b, 0x6fea, 0xd592, 0x6fe1, 0xd588, 0x6fd9, 0xd57f,
+  0x6fd0, 0xd575, 0x6fc8, 0xd56c, 0x6fc0, 0xd563, 0x6fb7, 0xd559,
+  0x6faf, 0xd550, 0x6fa7, 0xd547, 0x6f9e, 0xd53d, 0x6f96, 0xd534,
+  0x6f8d, 0xd52a, 0x6f85, 0xd521, 0x6f7d, 0xd518, 0x6f74, 0xd50e,
+  0x6f6c, 0xd505, 0x6f63, 0xd4fc, 0x6f5b, 0xd4f3, 0x6f52, 0xd4e9,
+  0x6f4a, 0xd4e0, 0x6f41, 0xd4d7, 0x6f39, 0xd4cd, 0x6f30, 0xd4c4,
+  0x6f28, 0xd4bb, 0x6f20, 0xd4b2, 0x6f17, 0xd4a8, 0x6f0e, 0xd49f,
+  0x6f06, 0xd496, 0x6efd, 0xd48d, 0x6ef5, 0xd483, 0x6eec, 0xd47a,
+  0x6ee4, 0xd471, 0x6edb, 0xd468, 0x6ed3, 0xd45f, 0x6eca, 0xd455,
+  0x6ec2, 0xd44c, 0x6eb9, 0xd443, 0x6eb0, 0xd43a, 0x6ea8, 0xd431,
+  0x6e9f, 0xd428, 0x6e97, 0xd41e, 0x6e8e, 0xd415, 0x6e85, 0xd40c,
+  0x6e7d, 0xd403, 0x6e74, 0xd3fa, 0x6e6b, 0xd3f1, 0x6e63, 0xd3e8,
+  0x6e5a, 0xd3df, 0x6e51, 0xd3d5, 0x6e49, 0xd3cc, 0x6e40, 0xd3c3,
+  0x6e37, 0xd3ba, 0x6e2f, 0xd3b1, 0x6e26, 0xd3a8, 0x6e1d, 0xd39f,
+  0x6e15, 0xd396, 0x6e0c, 0xd38d, 0x6e03, 0xd384, 0x6dfa, 0xd37b,
+  0x6df2, 0xd372, 0x6de9, 0xd369, 0x6de0, 0xd360, 0x6dd7, 0xd357,
+  0x6dcf, 0xd34e, 0x6dc6, 0xd345, 0x6dbd, 0xd33c, 0x6db4, 0xd333,
+  0x6dab, 0xd32a, 0x6da3, 0xd321, 0x6d9a, 0xd318, 0x6d91, 0xd30f,
+  0x6d88, 0xd306, 0x6d7f, 0xd2fd, 0x6d76, 0xd2f4, 0x6d6e, 0xd2eb,
+  0x6d65, 0xd2e2, 0x6d5c, 0xd2d9, 0x6d53, 0xd2d1, 0x6d4a, 0xd2c8,
+  0x6d41, 0xd2bf, 0x6d38, 0xd2b6, 0x6d2f, 0xd2ad, 0x6d27, 0xd2a4,
+  0x6d1e, 0xd29b, 0x6d15, 0xd292, 0x6d0c, 0xd28a, 0x6d03, 0xd281,
+  0x6cfa, 0xd278, 0x6cf1, 0xd26f, 0x6ce8, 0xd266, 0x6cdf, 0xd25d,
+  0x6cd6, 0xd255, 0x6ccd, 0xd24c, 0x6cc4, 0xd243, 0x6cbb, 0xd23a,
+  0x6cb2, 0xd231, 0x6ca9, 0xd229, 0x6ca0, 0xd220, 0x6c97, 0xd217,
+  0x6c8e, 0xd20e, 0x6c85, 0xd206, 0x6c7c, 0xd1fd, 0x6c73, 0xd1f4,
+  0x6c6a, 0xd1eb, 0x6c61, 0xd1e3, 0x6c58, 0xd1da, 0x6c4f, 0xd1d1,
+  0x6c46, 0xd1c9, 0x6c3d, 0xd1c0, 0x6c34, 0xd1b7, 0x6c2b, 0xd1af,
+  0x6c21, 0xd1a6, 0x6c18, 0xd19d, 0x6c0f, 0xd195, 0x6c06, 0xd18c,
+  0x6bfd, 0xd183, 0x6bf4, 0xd17b, 0x6beb, 0xd172, 0x6be2, 0xd169,
+  0x6bd8, 0xd161, 0x6bcf, 0xd158, 0x6bc6, 0xd150, 0x6bbd, 0xd147,
+  0x6bb4, 0xd13e, 0x6bab, 0xd136, 0x6ba1, 0xd12d, 0x6b98, 0xd125,
+  0x6b8f, 0xd11c, 0x6b86, 0xd114, 0x6b7d, 0xd10b, 0x6b73, 0xd103,
+  0x6b6a, 0xd0fa, 0x6b61, 0xd0f2, 0x6b58, 0xd0e9, 0x6b4e, 0xd0e0,
+  0x6b45, 0xd0d8, 0x6b3c, 0xd0d0, 0x6b33, 0xd0c7, 0x6b29, 0xd0bf,
+  0x6b20, 0xd0b6, 0x6b17, 0xd0ae, 0x6b0d, 0xd0a5, 0x6b04, 0xd09d,
+  0x6afb, 0xd094, 0x6af2, 0xd08c, 0x6ae8, 0xd083, 0x6adf, 0xd07b,
+  0x6ad6, 0xd073, 0x6acc, 0xd06a, 0x6ac3, 0xd062, 0x6ab9, 0xd059,
+  0x6ab0, 0xd051, 0x6aa7, 0xd049, 0x6a9d, 0xd040, 0x6a94, 0xd038,
+  0x6a8b, 0xd030, 0x6a81, 0xd027, 0x6a78, 0xd01f, 0x6a6e, 0xd016,
+  0x6a65, 0xd00e, 0x6a5c, 0xd006, 0x6a52, 0xcffe, 0x6a49, 0xcff5,
+  0x6a3f, 0xcfed, 0x6a36, 0xcfe5, 0x6a2c, 0xcfdc, 0x6a23, 0xcfd4,
+  0x6a1a, 0xcfcc, 0x6a10, 0xcfc4, 0x6a07, 0xcfbb, 0x69fd, 0xcfb3,
+  0x69f4, 0xcfab, 0x69ea, 0xcfa3, 0x69e1, 0xcf9a, 0x69d7, 0xcf92,
+  0x69ce, 0xcf8a, 0x69c4, 0xcf82, 0x69bb, 0xcf79, 0x69b1, 0xcf71,
+  0x69a7, 0xcf69, 0x699e, 0xcf61, 0x6994, 0xcf59, 0x698b, 0xcf51,
+  0x6981, 0xcf48, 0x6978, 0xcf40, 0x696e, 0xcf38, 0x6965, 0xcf30,
+  0x695b, 0xcf28, 0x6951, 0xcf20, 0x6948, 0xcf18, 0x693e, 0xcf10,
+  0x6935, 0xcf07, 0x692b, 0xceff, 0x6921, 0xcef7, 0x6918, 0xceef,
+  0x690e, 0xcee7, 0x6904, 0xcedf, 0x68fb, 0xced7, 0x68f1, 0xcecf,
+  0x68e7, 0xcec7, 0x68de, 0xcebf, 0x68d4, 0xceb7, 0x68ca, 0xceaf,
+  0x68c1, 0xcea7, 0x68b7, 0xce9f, 0x68ad, 0xce97, 0x68a4, 0xce8f,
+  0x689a, 0xce87, 0x6890, 0xce7f, 0x6886, 0xce77, 0x687d, 0xce6f,
+  0x6873, 0xce67, 0x6869, 0xce5f, 0x6860, 0xce57, 0x6856, 0xce4f,
+  0x684c, 0xce47, 0x6842, 0xce40, 0x6838, 0xce38, 0x682f, 0xce30,
+  0x6825, 0xce28, 0x681b, 0xce20, 0x6811, 0xce18, 0x6808, 0xce10,
+  0x67fe, 0xce08, 0x67f4, 0xce01, 0x67ea, 0xcdf9, 0x67e0, 0xcdf1,
+  0x67d6, 0xcde9, 0x67cd, 0xcde1, 0x67c3, 0xcdd9, 0x67b9, 0xcdd2,
+  0x67af, 0xcdca, 0x67a5, 0xcdc2, 0x679b, 0xcdba, 0x6791, 0xcdb2,
+  0x6788, 0xcdab, 0x677e, 0xcda3, 0x6774, 0xcd9b, 0x676a, 0xcd93,
+  0x6760, 0xcd8c, 0x6756, 0xcd84, 0x674c, 0xcd7c, 0x6742, 0xcd75,
+  0x6738, 0xcd6d, 0x672e, 0xcd65, 0x6724, 0xcd5d, 0x671a, 0xcd56,
+  0x6711, 0xcd4e, 0x6707, 0xcd46, 0x66fd, 0xcd3f, 0x66f3, 0xcd37,
+  0x66e9, 0xcd30, 0x66df, 0xcd28, 0x66d5, 0xcd20, 0x66cb, 0xcd19,
+  0x66c1, 0xcd11, 0x66b7, 0xcd09, 0x66ad, 0xcd02, 0x66a3, 0xccfa,
+  0x6699, 0xccf3, 0x668f, 0xcceb, 0x6685, 0xcce3, 0x667b, 0xccdc,
+  0x6671, 0xccd4, 0x6666, 0xcccd, 0x665c, 0xccc5, 0x6652, 0xccbe,
+  0x6648, 0xccb6, 0x663e, 0xccaf, 0x6634, 0xcca7, 0x662a, 0xcca0,
+  0x6620, 0xcc98, 0x6616, 0xcc91, 0x660c, 0xcc89, 0x6602, 0xcc82,
+  0x65f8, 0xcc7a, 0x65ed, 0xcc73, 0x65e3, 0xcc6b, 0x65d9, 0xcc64,
+  0x65cf, 0xcc5d, 0x65c5, 0xcc55, 0x65bb, 0xcc4e, 0x65b1, 0xcc46,
+  0x65a6, 0xcc3f, 0x659c, 0xcc38, 0x6592, 0xcc30, 0x6588, 0xcc29,
+  0x657e, 0xcc21, 0x6574, 0xcc1a, 0x6569, 0xcc13, 0x655f, 0xcc0b,
+  0x6555, 0xcc04, 0x654b, 0xcbfd, 0x6541, 0xcbf5, 0x6536, 0xcbee,
+  0x652c, 0xcbe7, 0x6522, 0xcbe0, 0x6518, 0xcbd8, 0x650d, 0xcbd1,
+  0x6503, 0xcbca, 0x64f9, 0xcbc2, 0x64ef, 0xcbbb, 0x64e4, 0xcbb4,
+  0x64da, 0xcbad, 0x64d0, 0xcba5, 0x64c5, 0xcb9e, 0x64bb, 0xcb97,
+  0x64b1, 0xcb90, 0x64a7, 0xcb89, 0x649c, 0xcb81, 0x6492, 0xcb7a,
+  0x6488, 0xcb73, 0x647d, 0xcb6c, 0x6473, 0xcb65, 0x6469, 0xcb5e,
+  0x645e, 0xcb56, 0x6454, 0xcb4f, 0x644a, 0xcb48, 0x643f, 0xcb41,
+  0x6435, 0xcb3a, 0x642b, 0xcb33, 0x6420, 0xcb2c, 0x6416, 0xcb25,
+  0x640b, 0xcb1e, 0x6401, 0xcb16, 0x63f7, 0xcb0f, 0x63ec, 0xcb08,
+  0x63e2, 0xcb01, 0x63d7, 0xcafa, 0x63cd, 0xcaf3, 0x63c3, 0xcaec,
+  0x63b8, 0xcae5, 0x63ae, 0xcade, 0x63a3, 0xcad7, 0x6399, 0xcad0,
+  0x638e, 0xcac9, 0x6384, 0xcac2, 0x637a, 0xcabb, 0x636f, 0xcab4,
+  0x6365, 0xcaad, 0x635a, 0xcaa6, 0x6350, 0xca9f, 0x6345, 0xca99,
+  0x633b, 0xca92, 0x6330, 0xca8b, 0x6326, 0xca84, 0x631b, 0xca7d,
+  0x6311, 0xca76, 0x6306, 0xca6f, 0x62fc, 0xca68, 0x62f1, 0xca61,
+  0x62e7, 0xca5b, 0x62dc, 0xca54, 0x62d2, 0xca4d, 0x62c7, 0xca46,
+  0x62bc, 0xca3f, 0x62b2, 0xca38, 0x62a7, 0xca32, 0x629d, 0xca2b,
+  0x6292, 0xca24, 0x6288, 0xca1d, 0x627d, 0xca16, 0x6272, 0xca10,
+  0x6268, 0xca09, 0x625d, 0xca02, 0x6253, 0xc9fb, 0x6248, 0xc9f5,
+  0x623d, 0xc9ee, 0x6233, 0xc9e7, 0x6228, 0xc9e0, 0x621e, 0xc9da,
+  0x6213, 0xc9d3, 0x6208, 0xc9cc, 0x61fe, 0xc9c6, 0x61f3, 0xc9bf,
+  0x61e8, 0xc9b8, 0x61de, 0xc9b2, 0x61d3, 0xc9ab, 0x61c8, 0xc9a4,
+  0x61be, 0xc99e, 0x61b3, 0xc997, 0x61a8, 0xc991, 0x619e, 0xc98a,
+  0x6193, 0xc983, 0x6188, 0xc97d, 0x617d, 0xc976, 0x6173, 0xc970,
+  0x6168, 0xc969, 0x615d, 0xc963, 0x6153, 0xc95c, 0x6148, 0xc955,
+  0x613d, 0xc94f, 0x6132, 0xc948, 0x6128, 0xc942, 0x611d, 0xc93b,
+  0x6112, 0xc935, 0x6107, 0xc92e, 0x60fd, 0xc928, 0x60f2, 0xc921,
+  0x60e7, 0xc91b, 0x60dc, 0xc915, 0x60d1, 0xc90e, 0x60c7, 0xc908,
+  0x60bc, 0xc901, 0x60b1, 0xc8fb, 0x60a6, 0xc8f4, 0x609b, 0xc8ee,
+  0x6091, 0xc8e8, 0x6086, 0xc8e1, 0x607b, 0xc8db, 0x6070, 0xc8d4,
+  0x6065, 0xc8ce, 0x605b, 0xc8c8, 0x6050, 0xc8c1, 0x6045, 0xc8bb,
+  0x603a, 0xc8b5, 0x602f, 0xc8ae, 0x6024, 0xc8a8, 0x6019, 0xc8a2,
+  0x600f, 0xc89b, 0x6004, 0xc895, 0x5ff9, 0xc88f, 0x5fee, 0xc889,
+  0x5fe3, 0xc882, 0x5fd8, 0xc87c, 0x5fcd, 0xc876, 0x5fc2, 0xc870,
+  0x5fb7, 0xc869, 0x5fac, 0xc863, 0x5fa2, 0xc85d, 0x5f97, 0xc857,
+  0x5f8c, 0xc850, 0x5f81, 0xc84a, 0x5f76, 0xc844, 0x5f6b, 0xc83e,
+  0x5f60, 0xc838, 0x5f55, 0xc832, 0x5f4a, 0xc82b, 0x5f3f, 0xc825,
+  0x5f34, 0xc81f, 0x5f29, 0xc819, 0x5f1e, 0xc813, 0x5f13, 0xc80d,
+  0x5f08, 0xc807, 0x5efd, 0xc801, 0x5ef2, 0xc7fb, 0x5ee7, 0xc7f5,
+  0x5edc, 0xc7ee, 0x5ed1, 0xc7e8, 0x5ec6, 0xc7e2, 0x5ebb, 0xc7dc,
+  0x5eb0, 0xc7d6, 0x5ea5, 0xc7d0, 0x5e9a, 0xc7ca, 0x5e8f, 0xc7c4,
+  0x5e84, 0xc7be, 0x5e79, 0xc7b8, 0x5e6e, 0xc7b2, 0x5e63, 0xc7ac,
+  0x5e58, 0xc7a6, 0x5e4d, 0xc7a0, 0x5e42, 0xc79a, 0x5e36, 0xc795,
+  0x5e2b, 0xc78f, 0x5e20, 0xc789, 0x5e15, 0xc783, 0x5e0a, 0xc77d,
+  0x5dff, 0xc777, 0x5df4, 0xc771, 0x5de9, 0xc76b, 0x5dde, 0xc765,
+  0x5dd3, 0xc75f, 0x5dc7, 0xc75a, 0x5dbc, 0xc754, 0x5db1, 0xc74e,
+  0x5da6, 0xc748, 0x5d9b, 0xc742, 0x5d90, 0xc73d, 0x5d85, 0xc737,
+  0x5d79, 0xc731, 0x5d6e, 0xc72b, 0x5d63, 0xc725, 0x5d58, 0xc720,
+  0x5d4d, 0xc71a, 0x5d42, 0xc714, 0x5d36, 0xc70e, 0x5d2b, 0xc709,
+  0x5d20, 0xc703, 0x5d15, 0xc6fd, 0x5d0a, 0xc6f7, 0x5cff, 0xc6f2,
+  0x5cf3, 0xc6ec, 0x5ce8, 0xc6e6, 0x5cdd, 0xc6e1, 0x5cd2, 0xc6db,
+  0x5cc6, 0xc6d5, 0x5cbb, 0xc6d0, 0x5cb0, 0xc6ca, 0x5ca5, 0xc6c5,
+  0x5c99, 0xc6bf, 0x5c8e, 0xc6b9, 0x5c83, 0xc6b4, 0x5c78, 0xc6ae,
+  0x5c6c, 0xc6a8, 0x5c61, 0xc6a3, 0x5c56, 0xc69d, 0x5c4b, 0xc698,
+  0x5c3f, 0xc692, 0x5c34, 0xc68d, 0x5c29, 0xc687, 0x5c1e, 0xc682,
+  0x5c12, 0xc67c, 0x5c07, 0xc677, 0x5bfc, 0xc671, 0x5bf0, 0xc66c,
+  0x5be5, 0xc666, 0x5bda, 0xc661, 0x5bce, 0xc65b, 0x5bc3, 0xc656,
+  0x5bb8, 0xc650, 0x5bac, 0xc64b, 0x5ba1, 0xc645, 0x5b96, 0xc640,
+  0x5b8a, 0xc63b, 0x5b7f, 0xc635, 0x5b74, 0xc630, 0x5b68, 0xc62a,
+  0x5b5d, 0xc625, 0x5b52, 0xc620, 0x5b46, 0xc61a, 0x5b3b, 0xc615,
+  0x5b30, 0xc610, 0x5b24, 0xc60a, 0x5b19, 0xc605, 0x5b0d, 0xc600,
+  0x5b02, 0xc5fa, 0x5af7, 0xc5f5, 0x5aeb, 0xc5f0, 0x5ae0, 0xc5ea,
+  0x5ad4, 0xc5e5, 0x5ac9, 0xc5e0, 0x5abe, 0xc5db, 0x5ab2, 0xc5d5,
+  0x5aa7, 0xc5d0, 0x5a9b, 0xc5cb, 0x5a90, 0xc5c6, 0x5a84, 0xc5c1,
+  0x5a79, 0xc5bb, 0x5a6e, 0xc5b6, 0x5a62, 0xc5b1, 0x5a57, 0xc5ac,
+  0x5a4b, 0xc5a7, 0x5a40, 0xc5a1, 0x5a34, 0xc59c, 0x5a29, 0xc597,
+  0x5a1d, 0xc592, 0x5a12, 0xc58d, 0x5a06, 0xc588, 0x59fb, 0xc583,
+  0x59ef, 0xc57e, 0x59e4, 0xc578, 0x59d8, 0xc573, 0x59cd, 0xc56e,
+  0x59c1, 0xc569, 0x59b6, 0xc564, 0x59aa, 0xc55f, 0x599f, 0xc55a,
+  0x5993, 0xc555, 0x5988, 0xc550, 0x597c, 0xc54b, 0x5971, 0xc546,
+  0x5965, 0xc541, 0x595a, 0xc53c, 0x594e, 0xc537, 0x5943, 0xc532,
+  0x5937, 0xc52d, 0x592c, 0xc528, 0x5920, 0xc523, 0x5914, 0xc51e,
+  0x5909, 0xc51a, 0x58fd, 0xc515, 0x58f2, 0xc510, 0x58e6, 0xc50b,
+  0x58db, 0xc506, 0x58cf, 0xc501, 0x58c3, 0xc4fc, 0x58b8, 0xc4f7,
+  0x58ac, 0xc4f2, 0x58a1, 0xc4ee, 0x5895, 0xc4e9, 0x5889, 0xc4e4,
+  0x587e, 0xc4df, 0x5872, 0xc4da, 0x5867, 0xc4d6, 0x585b, 0xc4d1,
+  0x584f, 0xc4cc, 0x5844, 0xc4c7, 0x5838, 0xc4c2, 0x582d, 0xc4be,
+  0x5821, 0xc4b9, 0x5815, 0xc4b4, 0x580a, 0xc4b0, 0x57fe, 0xc4ab,
+  0x57f2, 0xc4a6, 0x57e7, 0xc4a1, 0x57db, 0xc49d, 0x57cf, 0xc498,
+  0x57c4, 0xc493, 0x57b8, 0xc48f, 0x57ac, 0xc48a, 0x57a1, 0xc485,
+  0x5795, 0xc481, 0x5789, 0xc47c, 0x577e, 0xc478, 0x5772, 0xc473,
+  0x5766, 0xc46e, 0x575b, 0xc46a, 0x574f, 0xc465, 0x5743, 0xc461,
+  0x5737, 0xc45c, 0x572c, 0xc457, 0x5720, 0xc453, 0x5714, 0xc44e,
+  0x5709, 0xc44a, 0x56fd, 0xc445, 0x56f1, 0xc441, 0x56e5, 0xc43c,
+  0x56da, 0xc438, 0x56ce, 0xc433, 0x56c2, 0xc42f, 0x56b6, 0xc42a,
+  0x56ab, 0xc426, 0x569f, 0xc422, 0x5693, 0xc41d, 0x5687, 0xc419,
+  0x567c, 0xc414, 0x5670, 0xc410, 0x5664, 0xc40b, 0x5658, 0xc407,
+  0x564c, 0xc403, 0x5641, 0xc3fe, 0x5635, 0xc3fa, 0x5629, 0xc3f6,
+  0x561d, 0xc3f1, 0x5612, 0xc3ed, 0x5606, 0xc3e9, 0x55fa, 0xc3e4,
+  0x55ee, 0xc3e0, 0x55e2, 0xc3dc, 0x55d7, 0xc3d7, 0x55cb, 0xc3d3,
+  0x55bf, 0xc3cf, 0x55b3, 0xc3ca, 0x55a7, 0xc3c6, 0x559b, 0xc3c2,
+  0x5590, 0xc3be, 0x5584, 0xc3ba, 0x5578, 0xc3b5, 0x556c, 0xc3b1,
+  0x5560, 0xc3ad, 0x5554, 0xc3a9, 0x5549, 0xc3a5, 0x553d, 0xc3a0,
+  0x5531, 0xc39c, 0x5525, 0xc398, 0x5519, 0xc394, 0x550d, 0xc390,
+  0x5501, 0xc38c, 0x54f6, 0xc387, 0x54ea, 0xc383, 0x54de, 0xc37f,
+  0x54d2, 0xc37b, 0x54c6, 0xc377, 0x54ba, 0xc373, 0x54ae, 0xc36f,
+  0x54a2, 0xc36b, 0x5496, 0xc367, 0x548b, 0xc363, 0x547f, 0xc35f,
+  0x5473, 0xc35b, 0x5467, 0xc357, 0x545b, 0xc353, 0x544f, 0xc34f,
+  0x5443, 0xc34b, 0x5437, 0xc347, 0x542b, 0xc343, 0x541f, 0xc33f,
+  0x5413, 0xc33b, 0x5407, 0xc337, 0x53fb, 0xc333, 0x53f0, 0xc32f,
+  0x53e4, 0xc32b, 0x53d8, 0xc327, 0x53cc, 0xc323, 0x53c0, 0xc320,
+  0x53b4, 0xc31c, 0x53a8, 0xc318, 0x539c, 0xc314, 0x5390, 0xc310,
+  0x5384, 0xc30c, 0x5378, 0xc308, 0x536c, 0xc305, 0x5360, 0xc301,
+  0x5354, 0xc2fd, 0x5348, 0xc2f9, 0x533c, 0xc2f5, 0x5330, 0xc2f2,
+  0x5324, 0xc2ee, 0x5318, 0xc2ea, 0x530c, 0xc2e6, 0x5300, 0xc2e3,
+  0x52f4, 0xc2df, 0x52e8, 0xc2db, 0x52dc, 0xc2d8, 0x52d0, 0xc2d4,
+  0x52c4, 0xc2d0, 0x52b8, 0xc2cc, 0x52ac, 0xc2c9, 0x52a0, 0xc2c5,
+  0x5294, 0xc2c1, 0x5288, 0xc2be, 0x527c, 0xc2ba, 0x5270, 0xc2b7,
+  0x5264, 0xc2b3, 0x5258, 0xc2af, 0x524c, 0xc2ac, 0x5240, 0xc2a8,
+  0x5234, 0xc2a5, 0x5228, 0xc2a1, 0x521c, 0xc29d, 0x5210, 0xc29a,
+  0x5204, 0xc296, 0x51f7, 0xc293, 0x51eb, 0xc28f, 0x51df, 0xc28c,
+  0x51d3, 0xc288, 0x51c7, 0xc285, 0x51bb, 0xc281, 0x51af, 0xc27e,
+  0x51a3, 0xc27a, 0x5197, 0xc277, 0x518b, 0xc273, 0x517f, 0xc270,
+  0x5173, 0xc26d, 0x5167, 0xc269, 0x515a, 0xc266, 0x514e, 0xc262,
+  0x5142, 0xc25f, 0x5136, 0xc25c, 0x512a, 0xc258, 0x511e, 0xc255,
+  0x5112, 0xc251, 0x5106, 0xc24e, 0x50fa, 0xc24b, 0x50ed, 0xc247,
+  0x50e1, 0xc244, 0x50d5, 0xc241, 0x50c9, 0xc23e, 0x50bd, 0xc23a,
+  0x50b1, 0xc237, 0x50a5, 0xc234, 0x5099, 0xc230, 0x508c, 0xc22d,
+  0x5080, 0xc22a, 0x5074, 0xc227, 0x5068, 0xc223, 0x505c, 0xc220,
+  0x5050, 0xc21d, 0x5044, 0xc21a, 0x5037, 0xc217, 0x502b, 0xc213,
+  0x501f, 0xc210, 0x5013, 0xc20d, 0x5007, 0xc20a, 0x4ffb, 0xc207,
+  0x4fee, 0xc204, 0x4fe2, 0xc201, 0x4fd6, 0xc1fd, 0x4fca, 0xc1fa,
+  0x4fbe, 0xc1f7, 0x4fb2, 0xc1f4, 0x4fa5, 0xc1f1, 0x4f99, 0xc1ee,
+  0x4f8d, 0xc1eb, 0x4f81, 0xc1e8, 0x4f75, 0xc1e5, 0x4f68, 0xc1e2,
+  0x4f5c, 0xc1df, 0x4f50, 0xc1dc, 0x4f44, 0xc1d9, 0x4f38, 0xc1d6,
+  0x4f2b, 0xc1d3, 0x4f1f, 0xc1d0, 0x4f13, 0xc1cd, 0x4f07, 0xc1ca,
+  0x4efb, 0xc1c7, 0x4eee, 0xc1c4, 0x4ee2, 0xc1c1, 0x4ed6, 0xc1be,
+  0x4eca, 0xc1bb, 0x4ebd, 0xc1b8, 0x4eb1, 0xc1b6, 0x4ea5, 0xc1b3,
+  0x4e99, 0xc1b0, 0x4e8c, 0xc1ad, 0x4e80, 0xc1aa, 0x4e74, 0xc1a7,
+  0x4e68, 0xc1a4, 0x4e5c, 0xc1a2, 0x4e4f, 0xc19f, 0x4e43, 0xc19c,
+  0x4e37, 0xc199, 0x4e2b, 0xc196, 0x4e1e, 0xc194, 0x4e12, 0xc191,
+  0x4e06, 0xc18e, 0x4df9, 0xc18b, 0x4ded, 0xc189, 0x4de1, 0xc186,
+  0x4dd5, 0xc183, 0x4dc8, 0xc180, 0x4dbc, 0xc17e, 0x4db0, 0xc17b,
+  0x4da4, 0xc178, 0x4d97, 0xc176, 0x4d8b, 0xc173, 0x4d7f, 0xc170,
+  0x4d72, 0xc16e, 0x4d66, 0xc16b, 0x4d5a, 0xc168, 0x4d4e, 0xc166,
+  0x4d41, 0xc163, 0x4d35, 0xc161, 0x4d29, 0xc15e, 0x4d1c, 0xc15b,
+  0x4d10, 0xc159, 0x4d04, 0xc156, 0x4cf8, 0xc154, 0x4ceb, 0xc151,
+  0x4cdf, 0xc14f, 0x4cd3, 0xc14c, 0x4cc6, 0xc14a, 0x4cba, 0xc147,
+  0x4cae, 0xc145, 0x4ca1, 0xc142, 0x4c95, 0xc140, 0x4c89, 0xc13d,
+  0x4c7c, 0xc13b, 0x4c70, 0xc138, 0x4c64, 0xc136, 0x4c57, 0xc134,
+  0x4c4b, 0xc131, 0x4c3f, 0xc12f, 0x4c32, 0xc12c, 0x4c26, 0xc12a,
+  0x4c1a, 0xc128, 0x4c0d, 0xc125, 0x4c01, 0xc123, 0x4bf5, 0xc120,
+  0x4be8, 0xc11e, 0x4bdc, 0xc11c, 0x4bd0, 0xc119, 0x4bc3, 0xc117,
+  0x4bb7, 0xc115, 0x4bab, 0xc113, 0x4b9e, 0xc110, 0x4b92, 0xc10e,
+  0x4b85, 0xc10c, 0x4b79, 0xc109, 0x4b6d, 0xc107, 0x4b60, 0xc105,
+  0x4b54, 0xc103, 0x4b48, 0xc100, 0x4b3b, 0xc0fe, 0x4b2f, 0xc0fc,
+  0x4b23, 0xc0fa, 0x4b16, 0xc0f8, 0x4b0a, 0xc0f6, 0x4afd, 0xc0f3,
+  0x4af1, 0xc0f1, 0x4ae5, 0xc0ef, 0x4ad8, 0xc0ed, 0x4acc, 0xc0eb,
+  0x4ac0, 0xc0e9, 0x4ab3, 0xc0e7, 0x4aa7, 0xc0e4, 0x4a9a, 0xc0e2,
+  0x4a8e, 0xc0e0, 0x4a82, 0xc0de, 0x4a75, 0xc0dc, 0x4a69, 0xc0da,
+  0x4a5c, 0xc0d8, 0x4a50, 0xc0d6, 0x4a44, 0xc0d4, 0x4a37, 0xc0d2,
+  0x4a2b, 0xc0d0, 0x4a1e, 0xc0ce, 0x4a12, 0xc0cc, 0x4a06, 0xc0ca,
+  0x49f9, 0xc0c8, 0x49ed, 0xc0c6, 0x49e0, 0xc0c4, 0x49d4, 0xc0c2,
+  0x49c7, 0xc0c0, 0x49bb, 0xc0be, 0x49af, 0xc0bd, 0x49a2, 0xc0bb,
+  0x4996, 0xc0b9, 0x4989, 0xc0b7, 0x497d, 0xc0b5, 0x4970, 0xc0b3,
+  0x4964, 0xc0b1, 0x4958, 0xc0af, 0x494b, 0xc0ae, 0x493f, 0xc0ac,
+  0x4932, 0xc0aa, 0x4926, 0xc0a8, 0x4919, 0xc0a6, 0x490d, 0xc0a5,
+  0x4901, 0xc0a3, 0x48f4, 0xc0a1, 0x48e8, 0xc09f, 0x48db, 0xc09e,
+  0x48cf, 0xc09c, 0x48c2, 0xc09a, 0x48b6, 0xc098, 0x48a9, 0xc097,
+  0x489d, 0xc095, 0x4891, 0xc093, 0x4884, 0xc092, 0x4878, 0xc090,
+  0x486b, 0xc08e, 0x485f, 0xc08d, 0x4852, 0xc08b, 0x4846, 0xc089,
+  0x4839, 0xc088, 0x482d, 0xc086, 0x4820, 0xc085, 0x4814, 0xc083,
+  0x4807, 0xc081, 0x47fb, 0xc080, 0x47ef, 0xc07e, 0x47e2, 0xc07d,
+  0x47d6, 0xc07b, 0x47c9, 0xc07a, 0x47bd, 0xc078, 0x47b0, 0xc077,
+  0x47a4, 0xc075, 0x4797, 0xc074, 0x478b, 0xc072, 0x477e, 0xc071,
+  0x4772, 0xc06f, 0x4765, 0xc06e, 0x4759, 0xc06c, 0x474c, 0xc06b,
+  0x4740, 0xc069, 0x4733, 0xc068, 0x4727, 0xc067, 0x471a, 0xc065,
+  0x470e, 0xc064, 0x4701, 0xc062, 0x46f5, 0xc061, 0x46e8, 0xc060,
+  0x46dc, 0xc05e, 0x46cf, 0xc05d, 0x46c3, 0xc05c, 0x46b6, 0xc05a,
+  0x46aa, 0xc059, 0x469d, 0xc058, 0x4691, 0xc056, 0x4684, 0xc055,
+  0x4678, 0xc054, 0x466b, 0xc053, 0x465f, 0xc051, 0x4652, 0xc050,
+  0x4646, 0xc04f, 0x4639, 0xc04e, 0x462d, 0xc04c, 0x4620, 0xc04b,
+  0x4614, 0xc04a, 0x4607, 0xc049, 0x45fb, 0xc048, 0x45ee, 0xc047,
+  0x45e2, 0xc045, 0x45d5, 0xc044, 0x45c9, 0xc043, 0x45bc, 0xc042,
+  0x45b0, 0xc041, 0x45a3, 0xc040, 0x4597, 0xc03f, 0x458a, 0xc03d,
+  0x457e, 0xc03c, 0x4571, 0xc03b, 0x4565, 0xc03a, 0x4558, 0xc039,
+  0x454c, 0xc038, 0x453f, 0xc037, 0x4533, 0xc036, 0x4526, 0xc035,
+  0x451a, 0xc034, 0x450d, 0xc033, 0x4500, 0xc032, 0x44f4, 0xc031,
+  0x44e7, 0xc030, 0x44db, 0xc02f, 0x44ce, 0xc02e, 0x44c2, 0xc02d,
+  0x44b5, 0xc02c, 0x44a9, 0xc02b, 0x449c, 0xc02b, 0x4490, 0xc02a,
+  0x4483, 0xc029, 0x4477, 0xc028, 0x446a, 0xc027, 0x445e, 0xc026,
+  0x4451, 0xc025, 0x4444, 0xc024, 0x4438, 0xc024, 0x442b, 0xc023,
+  0x441f, 0xc022, 0x4412, 0xc021, 0x4406, 0xc020, 0x43f9, 0xc020,
+  0x43ed, 0xc01f, 0x43e0, 0xc01e, 0x43d4, 0xc01d, 0x43c7, 0xc01d,
+  0x43bb, 0xc01c, 0x43ae, 0xc01b, 0x43a1, 0xc01a, 0x4395, 0xc01a,
+  0x4388, 0xc019, 0x437c, 0xc018, 0x436f, 0xc018, 0x4363, 0xc017,
+  0x4356, 0xc016, 0x434a, 0xc016, 0x433d, 0xc015, 0x4330, 0xc014,
+  0x4324, 0xc014, 0x4317, 0xc013, 0x430b, 0xc013, 0x42fe, 0xc012,
+  0x42f2, 0xc011, 0x42e5, 0xc011, 0x42d9, 0xc010, 0x42cc, 0xc010,
+  0x42c0, 0xc00f, 0x42b3, 0xc00f, 0x42a6, 0xc00e, 0x429a, 0xc00e,
+  0x428d, 0xc00d, 0x4281, 0xc00d, 0x4274, 0xc00c, 0x4268, 0xc00c,
+  0x425b, 0xc00b, 0x424e, 0xc00b, 0x4242, 0xc00a, 0x4235, 0xc00a,
+  0x4229, 0xc009, 0x421c, 0xc009, 0x4210, 0xc009, 0x4203, 0xc008,
+  0x41f7, 0xc008, 0x41ea, 0xc007, 0x41dd, 0xc007, 0x41d1, 0xc007,
+  0x41c4, 0xc006, 0x41b8, 0xc006, 0x41ab, 0xc006, 0x419f, 0xc005,
+  0x4192, 0xc005, 0x4186, 0xc005, 0x4179, 0xc004, 0x416c, 0xc004,
+  0x4160, 0xc004, 0x4153, 0xc004, 0x4147, 0xc003, 0x413a, 0xc003,
+  0x412e, 0xc003, 0x4121, 0xc003, 0x4114, 0xc002, 0x4108, 0xc002,
+  0x40fb, 0xc002, 0x40ef, 0xc002, 0x40e2, 0xc002, 0x40d6, 0xc001,
+  0x40c9, 0xc001, 0x40bc, 0xc001, 0x40b0, 0xc001, 0x40a3, 0xc001,
+  0x4097, 0xc001, 0x408a, 0xc001, 0x407e, 0xc000, 0x4071, 0xc000,
+  0x4065, 0xc000, 0x4058, 0xc000, 0x404b, 0xc000, 0x403f, 0xc000,
+  0x4032, 0xc000, 0x4026, 0xc000, 0x4019, 0xc000, 0x400d, 0xc000,
+};
+
+/**    
+* @brief  Initialization function for the Q15 RFFT/RIFFT.   
+* @param[in, out] *S             points to an instance of the Q15 RFFT/RIFFT structure.   
+* @param[in]      *S_CFFT        points to an instance of the Q15 CFFT/CIFFT structure.   
+* @param[in]      fftLenReal     length of the FFT.   
+* @param[in]      ifftFlagR      flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform.   
+* @param[in]      bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.   
+* @return		The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLenReal is not a supported value.   
+*    
+* \par Description:   
+* \par   
+* The parameter fftLenReal	Specifies length of RFFT/RIFFT Process. Supported FFT Lengths are 128, 512, 2048.    
+* \par    
+* The parameter ifftFlagR controls whether a forward or inverse transform is computed.    
+* Set(=1) ifftFlagR to calculate RIFFT, otherwise RFFT is calculated.    
+* \par    
+* The parameter bitReverseFlag controls whether output is in normal order or bit reversed order.    
+* Set(=1) bitReverseFlag for output to be in normal order otherwise output is in bit reversed order.   
+* \par    
+* This function also initializes Twiddle factor table.     
+*/
+
+arm_status arm_rfft_init_q15(
+  arm_rfft_instance_q15 * S,
+  arm_cfft_radix4_instance_q15 * S_CFFT,
+  uint32_t fftLenReal,
+  uint32_t ifftFlagR,
+  uint32_t bitReverseFlag)
+{
+
+  /*  Initialise the default arm status */
+  arm_status status = ARM_MATH_SUCCESS;
+
+  /*  Initialize the Real FFT length */
+  S->fftLenReal = (uint16_t) fftLenReal;
+
+  /*  Initialize the Complex FFT length */
+  S->fftLenBy2 = (uint16_t) fftLenReal / 2u;
+
+  /*  Initialize the Twiddle coefficientA pointer */
+  S->pTwiddleAReal = (q15_t *) realCoefAQ15;
+
+  /*  Initialize the Twiddle coefficientB pointer */
+  S->pTwiddleBReal = (q15_t *) realCoefBQ15;
+
+  /*  Initialize the Flag for selection of RFFT or RIFFT */
+  S->ifftFlagR = (uint8_t) ifftFlagR;
+
+  /*  Initialize the Flag for calculation Bit reversal or not */
+  S->bitReverseFlagR = (uint8_t) bitReverseFlag;
+
+  /*  Initialization of coef modifier depending on the FFT length */
+  switch (S->fftLenReal)
+  {
+  case 8192:
+    S->twidCoefRModifier = 1u;
+    break;
+  case 2048u:
+    S->twidCoefRModifier = 4u;
+    break;
+  case 512u:
+    S->twidCoefRModifier = 16u;
+    break;
+  case 128u:
+    S->twidCoefRModifier = 64u;
+    break;
+  default:
+    /*  Reporting argument error if rfftSize is not valid value */
+    status = ARM_MATH_ARGUMENT_ERROR;
+    break;
+  }
+
+  /* Init Complex FFT Instance */
+  S->pCfft = S_CFFT;
+
+  if(S->ifftFlagR)
+  {
+    /* Initializes the CIFFT Module for fftLenreal/2 length */
+    arm_cfft_radix4_init_q15(S->pCfft, S->fftLenBy2, 1u, 1u);
+  }
+  else
+  {
+    /* Initializes the CFFT Module for fftLenreal/2 length */
+    arm_cfft_radix4_init_q15(S->pCfft, S->fftLenBy2, 0u, 1u);
+  }
+
+  /* return the status of RFFT Init function */
+  return (status);
+
+}
+
+  /**    
+   * @} end of RFFT_RIFFT group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_init_q31.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_init_q31.c
new file mode 100644
index 0000000000..f2f82f73b4
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_init_q31.c
@@ -0,0 +1,4274 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_rfft_init_q31.c    
+*    
+* Description:	RFFT & RIFFT Q31 initialisation function    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/**    
+ * @ingroup groupTransforms    
+ */
+
+/**    
+ * @addtogroup RFFT_RIFFT    
+ * @{    
+ */
+
+/**    
+* \par    
+* Generation floating point realCoefAQ31 array:    
+* \par    
+* n = 4096    
+* 
for (i = 0; i < n; i++)    
+* {    
+*    pATable[2 * i] = 0.5 * (1.0 - sin (2 * PI / (double) (2 * n) * (double) i));    
+*    pATable[2 * i + 1] = 0.5 * (-1.0 * cos (2 * PI / (double) (2 * n) * (double) i));    
+* }
    
+* \par    
+* Convert to fixed point Q31 format    
+*     round(pATable[i] * pow(2, 31))    
+*/
+
+
+static const q31_t realCoefAQ31[8192] = {
+  0x40000000, 0xc0000000, 0x3ff36f02, 0xc000013c,
+  0x3fe6de05, 0xc00004ef, 0x3fda4d09, 0xc0000b1a,
+  0x3fcdbc0f, 0xc00013bd, 0x3fc12b16, 0xc0001ed8,
+  0x3fb49a1f, 0xc0002c6a, 0x3fa8092c, 0xc0003c74,
+  0x3f9b783c, 0xc0004ef5, 0x3f8ee750, 0xc00063ee,
+  0x3f825668, 0xc0007b5f, 0x3f75c585, 0xc0009547,
+  0x3f6934a8, 0xc000b1a7, 0x3f5ca3d0, 0xc000d07e,
+  0x3f5012fe, 0xc000f1ce, 0x3f438234, 0xc0011594,
+  0x3f36f170, 0xc0013bd3, 0x3f2a60b4, 0xc0016489,
+  0x3f1dd001, 0xc0018fb6, 0x3f113f56, 0xc001bd5c,
+  0x3f04aeb5, 0xc001ed78, 0x3ef81e1d, 0xc002200d,
+  0x3eeb8d8f, 0xc0025519, 0x3edefd0c, 0xc0028c9c,
+  0x3ed26c94, 0xc002c697, 0x3ec5dc28, 0xc003030a,
+  0x3eb94bc8, 0xc00341f4, 0x3eacbb74, 0xc0038356,
+  0x3ea02b2e, 0xc003c72f, 0x3e939af5, 0xc0040d80,
+  0x3e870aca, 0xc0045648, 0x3e7a7aae, 0xc004a188,
+  0x3e6deaa1, 0xc004ef3f, 0x3e615aa3, 0xc0053f6e,
+  0x3e54cab5, 0xc0059214, 0x3e483ad8, 0xc005e731,
+  0x3e3bab0b, 0xc0063ec6, 0x3e2f1b50, 0xc00698d3,
+  0x3e228ba7, 0xc006f556, 0x3e15fc11, 0xc0075452,
+  0x3e096c8d, 0xc007b5c4, 0x3dfcdd1d, 0xc00819ae,
+  0x3df04dc0, 0xc008800f, 0x3de3be78, 0xc008e8e8,
+  0x3dd72f45, 0xc0095438, 0x3dcaa027, 0xc009c1ff,
+  0x3dbe111e, 0xc00a323d, 0x3db1822c, 0xc00aa4f3,
+  0x3da4f351, 0xc00b1a20, 0x3d98648d, 0xc00b91c4,
+  0x3d8bd5e1, 0xc00c0be0, 0x3d7f474d, 0xc00c8872,
+  0x3d72b8d2, 0xc00d077c, 0x3d662a70, 0xc00d88fd,
+  0x3d599c28, 0xc00e0cf5, 0x3d4d0df9, 0xc00e9364,
+  0x3d407fe6, 0xc00f1c4a, 0x3d33f1ed, 0xc00fa7a8,
+  0x3d276410, 0xc010357c, 0x3d1ad650, 0xc010c5c7,
+  0x3d0e48ab, 0xc011588a, 0x3d01bb24, 0xc011edc3,
+  0x3cf52dbb, 0xc0128574, 0x3ce8a06f, 0xc0131f9b,
+  0x3cdc1342, 0xc013bc39, 0x3ccf8634, 0xc0145b4e,
+  0x3cc2f945, 0xc014fcda, 0x3cb66c77, 0xc015a0dd,
+  0x3ca9dfc8, 0xc0164757, 0x3c9d533b, 0xc016f047,
+  0x3c90c6cf, 0xc0179bae, 0x3c843a85, 0xc018498c,
+  0x3c77ae5e, 0xc018f9e1, 0x3c6b2259, 0xc019acac,
+  0x3c5e9678, 0xc01a61ee, 0x3c520aba, 0xc01b19a7,
+  0x3c457f21, 0xc01bd3d6, 0x3c38f3ac, 0xc01c907c,
+  0x3c2c685d, 0xc01d4f99, 0x3c1fdd34, 0xc01e112b,
+  0x3c135231, 0xc01ed535, 0x3c06c754, 0xc01f9bb5,
+  0x3bfa3c9f, 0xc02064ab, 0x3bedb212, 0xc0213018,
+  0x3be127ac, 0xc021fdfb, 0x3bd49d70, 0xc022ce54,
+  0x3bc8135c, 0xc023a124, 0x3bbb8973, 0xc024766a,
+  0x3baeffb3, 0xc0254e27, 0x3ba2761e, 0xc0262859,
+  0x3b95ecb4, 0xc0270502, 0x3b896375, 0xc027e421,
+  0x3b7cda63, 0xc028c5b6, 0x3b70517d, 0xc029a9c1,
+  0x3b63c8c4, 0xc02a9042, 0x3b574039, 0xc02b7939,
+  0x3b4ab7db, 0xc02c64a6, 0x3b3e2fac, 0xc02d5289,
+  0x3b31a7ac, 0xc02e42e2, 0x3b251fdc, 0xc02f35b1,
+  0x3b18983b, 0xc0302af5, 0x3b0c10cb, 0xc03122b0,
+  0x3aff898c, 0xc0321ce0, 0x3af3027e, 0xc0331986,
+  0x3ae67ba2, 0xc03418a2, 0x3ad9f4f8, 0xc0351a33,
+  0x3acd6e81, 0xc0361e3a, 0x3ac0e83d, 0xc03724b6,
+  0x3ab4622d, 0xc0382da8, 0x3aa7dc52, 0xc0393910,
+  0x3a9b56ab, 0xc03a46ed, 0x3a8ed139, 0xc03b573f,
+  0x3a824bfd, 0xc03c6a07, 0x3a75c6f8, 0xc03d7f44,
+  0x3a694229, 0xc03e96f6, 0x3a5cbd91, 0xc03fb11d,
+  0x3a503930, 0xc040cdba, 0x3a43b508, 0xc041eccc,
+  0x3a373119, 0xc0430e53, 0x3a2aad62, 0xc044324f,
+  0x3a1e29e5, 0xc04558c0, 0x3a11a6a3, 0xc04681a6,
+  0x3a05239a, 0xc047ad01, 0x39f8a0cd, 0xc048dad1,
+  0x39ec1e3b, 0xc04a0b16, 0x39df9be6, 0xc04b3dcf,
+  0x39d319cc, 0xc04c72fe, 0x39c697f0, 0xc04daaa1,
+  0x39ba1651, 0xc04ee4b8, 0x39ad94f0, 0xc0502145,
+  0x39a113cd, 0xc0516045, 0x399492ea, 0xc052a1bb,
+  0x39881245, 0xc053e5a5, 0x397b91e1, 0xc0552c03,
+  0x396f11bc, 0xc05674d6, 0x396291d9, 0xc057c01d,
+  0x39561237, 0xc0590dd8, 0x394992d7, 0xc05a5e07,
+  0x393d13b8, 0xc05bb0ab, 0x393094dd, 0xc05d05c3,
+  0x39241645, 0xc05e5d4e, 0x391797f0, 0xc05fb74e,
+  0x390b19e0, 0xc06113c2, 0x38fe9c15, 0xc06272aa,
+  0x38f21e8e, 0xc063d405, 0x38e5a14d, 0xc06537d4,
+  0x38d92452, 0xc0669e18, 0x38cca79e, 0xc06806ce,
+  0x38c02b31, 0xc06971f9, 0x38b3af0c, 0xc06adf97,
+  0x38a7332e, 0xc06c4fa8, 0x389ab799, 0xc06dc22e,
+  0x388e3c4d, 0xc06f3726, 0x3881c14b, 0xc070ae92,
+  0x38754692, 0xc0722871, 0x3868cc24, 0xc073a4c3,
+  0x385c5201, 0xc0752389, 0x384fd829, 0xc076a4c2,
+  0x38435e9d, 0xc078286e, 0x3836e55d, 0xc079ae8c,
+  0x382a6c6a, 0xc07b371e, 0x381df3c5, 0xc07cc223,
+  0x38117b6d, 0xc07e4f9b, 0x38050364, 0xc07fdf85,
+  0x37f88ba9, 0xc08171e2, 0x37ec143e, 0xc08306b2,
+  0x37df9d22, 0xc0849df4, 0x37d32657, 0xc08637a9,
+  0x37c6afdc, 0xc087d3d0, 0x37ba39b3, 0xc089726a,
+  0x37adc3db, 0xc08b1376, 0x37a14e55, 0xc08cb6f5,
+  0x3794d922, 0xc08e5ce5, 0x37886442, 0xc0900548,
+  0x377befb5, 0xc091b01d, 0x376f7b7d, 0xc0935d64,
+  0x37630799, 0xc0950d1d, 0x3756940a, 0xc096bf48,
+  0x374a20d0, 0xc09873e4, 0x373daded, 0xc09a2af3,
+  0x37313b60, 0xc09be473, 0x3724c92a, 0xc09da065,
+  0x3718574b, 0xc09f5ec8, 0x370be5c4, 0xc0a11f9d,
+  0x36ff7496, 0xc0a2e2e3, 0x36f303c0, 0xc0a4a89b,
+  0x36e69344, 0xc0a670c4, 0x36da2321, 0xc0a83b5e,
+  0x36cdb359, 0xc0aa086a, 0x36c143ec, 0xc0abd7e6,
+  0x36b4d4d9, 0xc0ada9d4, 0x36a86623, 0xc0af7e33,
+  0x369bf7c9, 0xc0b15502, 0x368f89cb, 0xc0b32e42,
+  0x36831c2b, 0xc0b509f3, 0x3676aee8, 0xc0b6e815,
+  0x366a4203, 0xc0b8c8a7, 0x365dd57d, 0xc0baabaa,
+  0x36516956, 0xc0bc911d, 0x3644fd8f, 0xc0be7901,
+  0x36389228, 0xc0c06355, 0x362c2721, 0xc0c25019,
+  0x361fbc7b, 0xc0c43f4d, 0x36135237, 0xc0c630f2,
+  0x3606e854, 0xc0c82506, 0x35fa7ed4, 0xc0ca1b8a,
+  0x35ee15b7, 0xc0cc147f, 0x35e1acfd, 0xc0ce0fe3,
+  0x35d544a7, 0xc0d00db6, 0x35c8dcb6, 0xc0d20dfa,
+  0x35bc7529, 0xc0d410ad, 0x35b00e02, 0xc0d615cf,
+  0x35a3a740, 0xc0d81d61, 0x359740e5, 0xc0da2762,
+  0x358adaf0, 0xc0dc33d2, 0x357e7563, 0xc0de42b2,
+  0x3572103d, 0xc0e05401, 0x3565ab80, 0xc0e267be,
+  0x3559472b, 0xc0e47deb, 0x354ce33f, 0xc0e69686,
+  0x35407fbd, 0xc0e8b190, 0x35341ca5, 0xc0eacf09,
+  0x3527b9f7, 0xc0eceef1, 0x351b57b5, 0xc0ef1147,
+  0x350ef5de, 0xc0f1360b, 0x35029473, 0xc0f35d3e,
+  0x34f63374, 0xc0f586df, 0x34e9d2e3, 0xc0f7b2ee,
+  0x34dd72be, 0xc0f9e16b, 0x34d11308, 0xc0fc1257,
+  0x34c4b3c0, 0xc0fe45b0, 0x34b854e7, 0xc1007b77,
+  0x34abf67e, 0xc102b3ac, 0x349f9884, 0xc104ee4f,
+  0x34933afa, 0xc1072b5f, 0x3486dde1, 0xc1096add,
+  0x347a8139, 0xc10bacc8, 0x346e2504, 0xc10df120,
+  0x3461c940, 0xc11037e6, 0x34556def, 0xc1128119,
+  0x34491311, 0xc114ccb9, 0x343cb8a7, 0xc1171ac6,
+  0x34305eb0, 0xc1196b3f, 0x3424052f, 0xc11bbe26,
+  0x3417ac22, 0xc11e1379, 0x340b538b, 0xc1206b39,
+  0x33fefb6a, 0xc122c566, 0x33f2a3bf, 0xc12521ff,
+  0x33e64c8c, 0xc1278104, 0x33d9f5cf, 0xc129e276,
+  0x33cd9f8b, 0xc12c4653, 0x33c149bf, 0xc12eac9d,
+  0x33b4f46c, 0xc1311553, 0x33a89f92, 0xc1338075,
+  0x339c4b32, 0xc135ee02, 0x338ff74d, 0xc1385dfb,
+  0x3383a3e2, 0xc13ad060, 0x337750f2, 0xc13d4530,
+  0x336afe7e, 0xc13fbc6c, 0x335eac86, 0xc1423613,
+  0x33525b0b, 0xc144b225, 0x33460a0d, 0xc14730a3,
+  0x3339b98d, 0xc149b18b, 0x332d698a, 0xc14c34df,
+  0x33211a07, 0xc14eba9d, 0x3314cb02, 0xc15142c6,
+  0x33087c7d, 0xc153cd5a, 0x32fc2e77, 0xc1565a58,
+  0x32efe0f2, 0xc158e9c1, 0x32e393ef, 0xc15b7b94,
+  0x32d7476c, 0xc15e0fd1, 0x32cafb6b, 0xc160a678,
+  0x32beafed, 0xc1633f8a, 0x32b264f2, 0xc165db05,
+  0x32a61a7a, 0xc16878eb, 0x3299d085, 0xc16b193a,
+  0x328d8715, 0xc16dbbf3, 0x32813e2a, 0xc1706115,
+  0x3274f5c3, 0xc17308a1, 0x3268ade3, 0xc175b296,
+  0x325c6688, 0xc1785ef4, 0x32501fb5, 0xc17b0dbb,
+  0x3243d968, 0xc17dbeec, 0x323793a3, 0xc1807285,
+  0x322b4e66, 0xc1832888, 0x321f09b1, 0xc185e0f3,
+  0x3212c585, 0xc1889bc6, 0x320681e3, 0xc18b5903,
+  0x31fa3ecb, 0xc18e18a7, 0x31edfc3d, 0xc190dab4,
+  0x31e1ba3a, 0xc1939f29, 0x31d578c2, 0xc1966606,
+  0x31c937d6, 0xc1992f4c, 0x31bcf777, 0xc19bfaf9,
+  0x31b0b7a4, 0xc19ec90d, 0x31a4785e, 0xc1a1998a,
+  0x319839a6, 0xc1a46c6e, 0x318bfb7d, 0xc1a741b9,
+  0x317fbde2, 0xc1aa196c, 0x317380d6, 0xc1acf386,
+  0x31674459, 0xc1afd007, 0x315b086d, 0xc1b2aef0,
+  0x314ecd11, 0xc1b5903f, 0x31429247, 0xc1b873f5,
+  0x3136580d, 0xc1bb5a11, 0x312a1e66, 0xc1be4294,
+  0x311de551, 0xc1c12d7e, 0x3111accf, 0xc1c41ace,
+  0x310574e0, 0xc1c70a84, 0x30f93d86, 0xc1c9fca0,
+  0x30ed06bf, 0xc1ccf122, 0x30e0d08d, 0xc1cfe80a,
+  0x30d49af1, 0xc1d2e158, 0x30c865ea, 0xc1d5dd0c,
+  0x30bc317a, 0xc1d8db25, 0x30affda0, 0xc1dbdba3,
+  0x30a3ca5d, 0xc1dede87, 0x309797b2, 0xc1e1e3d0,
+  0x308b659f, 0xc1e4eb7e, 0x307f3424, 0xc1e7f591,
+  0x30730342, 0xc1eb0209, 0x3066d2fa, 0xc1ee10e5,
+  0x305aa34c, 0xc1f12227, 0x304e7438, 0xc1f435cc,
+  0x304245c0, 0xc1f74bd6, 0x303617e2, 0xc1fa6445,
+  0x3029eaa1, 0xc1fd7f17, 0x301dbdfb, 0xc2009c4e,
+  0x301191f3, 0xc203bbe8, 0x30056687, 0xc206dde6,
+  0x2ff93bba, 0xc20a0248, 0x2fed118a, 0xc20d290d,
+  0x2fe0e7f9, 0xc2105236, 0x2fd4bf08, 0xc2137dc2,
+  0x2fc896b5, 0xc216abb1, 0x2fbc6f03, 0xc219dc03,
+  0x2fb047f2, 0xc21d0eb8, 0x2fa42181, 0xc22043d0,
+  0x2f97fbb2, 0xc2237b4b, 0x2f8bd685, 0xc226b528,
+  0x2f7fb1fa, 0xc229f167, 0x2f738e12, 0xc22d3009,
+  0x2f676ace, 0xc230710d, 0x2f5b482d, 0xc233b473,
+  0x2f4f2630, 0xc236fa3b, 0x2f4304d8, 0xc23a4265,
+  0x2f36e426, 0xc23d8cf1, 0x2f2ac419, 0xc240d9de,
+  0x2f1ea4b2, 0xc244292c, 0x2f1285f2, 0xc2477adc,
+  0x2f0667d9, 0xc24aceed, 0x2efa4a67, 0xc24e255e,
+  0x2eee2d9d, 0xc2517e31, 0x2ee2117c, 0xc254d965,
+  0x2ed5f604, 0xc25836f9, 0x2ec9db35, 0xc25b96ee,
+  0x2ebdc110, 0xc25ef943, 0x2eb1a796, 0xc2625df8,
+  0x2ea58ec6, 0xc265c50e, 0x2e9976a1, 0xc2692e83,
+  0x2e8d5f29, 0xc26c9a58, 0x2e81485c, 0xc270088e,
+  0x2e75323c, 0xc2737922, 0x2e691cc9, 0xc276ec16,
+  0x2e5d0804, 0xc27a616a, 0x2e50f3ed, 0xc27dd91c,
+  0x2e44e084, 0xc281532e, 0x2e38cdcb, 0xc284cf9f,
+  0x2e2cbbc1, 0xc2884e6e, 0x2e20aa67, 0xc28bcf9c,
+  0x2e1499bd, 0xc28f5329, 0x2e0889c4, 0xc292d914,
+  0x2dfc7a7c, 0xc296615d, 0x2df06be6, 0xc299ec05,
+  0x2de45e03, 0xc29d790a, 0x2dd850d2, 0xc2a1086d,
+  0x2dcc4454, 0xc2a49a2e, 0x2dc0388a, 0xc2a82e4d,
+  0x2db42d74, 0xc2abc4c9, 0x2da82313, 0xc2af5da2,
+  0x2d9c1967, 0xc2b2f8d8, 0x2d901070, 0xc2b6966c,
+  0x2d84082f, 0xc2ba365c, 0x2d7800a5, 0xc2bdd8a9,
+  0x2d6bf9d1, 0xc2c17d52, 0x2d5ff3b5, 0xc2c52459,
+  0x2d53ee51, 0xc2c8cdbb, 0x2d47e9a5, 0xc2cc7979,
+  0x2d3be5b1, 0xc2d02794, 0x2d2fe277, 0xc2d3d80a,
+  0x2d23dff7, 0xc2d78add, 0x2d17de31, 0xc2db400a,
+  0x2d0bdd25, 0xc2def794, 0x2cffdcd4, 0xc2e2b178,
+  0x2cf3dd3f, 0xc2e66db8, 0x2ce7de66, 0xc2ea2c53,
+  0x2cdbe04a, 0xc2eded49, 0x2ccfe2ea, 0xc2f1b099,
+  0x2cc3e648, 0xc2f57644, 0x2cb7ea63, 0xc2f93e4a,
+  0x2cabef3d, 0xc2fd08a9, 0x2c9ff4d6, 0xc300d563,
+  0x2c93fb2e, 0xc304a477, 0x2c880245, 0xc30875e5,
+  0x2c7c0a1d, 0xc30c49ad, 0x2c7012b5, 0xc3101fce,
+  0x2c641c0e, 0xc313f848, 0x2c582629, 0xc317d31c,
+  0x2c4c3106, 0xc31bb049, 0x2c403ca5, 0xc31f8fcf,
+  0x2c344908, 0xc32371ae, 0x2c28562d, 0xc32755e5,
+  0x2c1c6417, 0xc32b3c75, 0x2c1072c4, 0xc32f255e,
+  0x2c048237, 0xc333109e, 0x2bf8926f, 0xc336fe37,
+  0x2beca36c, 0xc33aee27, 0x2be0b52f, 0xc33ee070,
+  0x2bd4c7ba, 0xc342d510, 0x2bc8db0b, 0xc346cc07,
+  0x2bbcef23, 0xc34ac556, 0x2bb10404, 0xc34ec0fc,
+  0x2ba519ad, 0xc352bef9, 0x2b99301f, 0xc356bf4d,
+  0x2b8d475b, 0xc35ac1f7, 0x2b815f60, 0xc35ec6f8,
+  0x2b75782f, 0xc362ce50, 0x2b6991ca, 0xc366d7fd,
+  0x2b5dac2f, 0xc36ae401, 0x2b51c760, 0xc36ef25b,
+  0x2b45e35d, 0xc373030a, 0x2b3a0027, 0xc377160f,
+  0x2b2e1dbe, 0xc37b2b6a, 0x2b223c22, 0xc37f4319,
+  0x2b165b54, 0xc3835d1e, 0x2b0a7b54, 0xc3877978,
+  0x2afe9c24, 0xc38b9827, 0x2af2bdc3, 0xc38fb92a,
+  0x2ae6e031, 0xc393dc82, 0x2adb0370, 0xc398022f,
+  0x2acf277f, 0xc39c2a2f, 0x2ac34c60, 0xc3a05484,
+  0x2ab77212, 0xc3a4812c, 0x2aab9896, 0xc3a8b028,
+  0x2a9fbfed, 0xc3ace178, 0x2a93e817, 0xc3b1151b,
+  0x2a881114, 0xc3b54b11, 0x2a7c3ae5, 0xc3b9835a,
+  0x2a70658a, 0xc3bdbdf6, 0x2a649105, 0xc3c1fae5,
+  0x2a58bd54, 0xc3c63a26, 0x2a4cea79, 0xc3ca7bba,
+  0x2a411874, 0xc3cebfa0, 0x2a354746, 0xc3d305d8,
+  0x2a2976ef, 0xc3d74e62, 0x2a1da770, 0xc3db993e,
+  0x2a11d8c8, 0xc3dfe66c, 0x2a060af9, 0xc3e435ea,
+  0x29fa3e03, 0xc3e887bb, 0x29ee71e6, 0xc3ecdbdc,
+  0x29e2a6a3, 0xc3f1324e, 0x29d6dc3b, 0xc3f58b10,
+  0x29cb12ad, 0xc3f9e624, 0x29bf49fa, 0xc3fe4388,
+  0x29b38223, 0xc402a33c, 0x29a7bb28, 0xc4070540,
+  0x299bf509, 0xc40b6994, 0x29902fc7, 0xc40fd037,
+  0x29846b63, 0xc414392b, 0x2978a7dd, 0xc418a46d,
+  0x296ce535, 0xc41d11ff, 0x2961236c, 0xc42181e0,
+  0x29556282, 0xc425f410, 0x2949a278, 0xc42a688f,
+  0x293de34e, 0xc42edf5c, 0x29322505, 0xc4335877,
+  0x2926679c, 0xc437d3e1, 0x291aab16, 0xc43c5199,
+  0x290eef71, 0xc440d19e, 0x290334af, 0xc44553f2,
+  0x28f77acf, 0xc449d892, 0x28ebc1d3, 0xc44e5f80,
+  0x28e009ba, 0xc452e8bc, 0x28d45286, 0xc4577444,
+  0x28c89c37, 0xc45c0219, 0x28bce6cd, 0xc460923b,
+  0x28b13248, 0xc46524a9, 0x28a57ea9, 0xc469b963,
+  0x2899cbf1, 0xc46e5069, 0x288e1a20, 0xc472e9bc,
+  0x28826936, 0xc477855a, 0x2876b934, 0xc47c2344,
+  0x286b0a1a, 0xc480c379, 0x285f5be9, 0xc48565f9,
+  0x2853aea1, 0xc48a0ac4, 0x28480243, 0xc48eb1db,
+  0x283c56cf, 0xc4935b3c, 0x2830ac45, 0xc49806e7,
+  0x282502a7, 0xc49cb4dd, 0x281959f4, 0xc4a1651c,
+  0x280db22d, 0xc4a617a6, 0x28020b52, 0xc4aacc7a,
+  0x27f66564, 0xc4af8397, 0x27eac063, 0xc4b43cfd,
+  0x27df1c50, 0xc4b8f8ad, 0x27d3792b, 0xc4bdb6a6,
+  0x27c7d6f4, 0xc4c276e8, 0x27bc35ad, 0xc4c73972,
+  0x27b09555, 0xc4cbfe45, 0x27a4f5ed, 0xc4d0c560,
+  0x27995776, 0xc4d58ec3, 0x278db9ef, 0xc4da5a6f,
+  0x27821d59, 0xc4df2862, 0x277681b6, 0xc4e3f89c,
+  0x276ae704, 0xc4e8cb1e, 0x275f4d45, 0xc4ed9fe7,
+  0x2753b479, 0xc4f276f7, 0x27481ca1, 0xc4f7504e,
+  0x273c85bc, 0xc4fc2bec, 0x2730efcc, 0xc50109d0,
+  0x27255ad1, 0xc505e9fb, 0x2719c6cb, 0xc50acc6b,
+  0x270e33bb, 0xc50fb121, 0x2702a1a1, 0xc514981d,
+  0x26f7107e, 0xc519815f, 0x26eb8052, 0xc51e6ce6,
+  0x26dff11d, 0xc5235ab2, 0x26d462e1, 0xc5284ac3,
+  0x26c8d59c, 0xc52d3d18, 0x26bd4951, 0xc53231b3,
+  0x26b1bdff, 0xc5372891, 0x26a633a6, 0xc53c21b4,
+  0x269aaa48, 0xc5411d1b, 0x268f21e5, 0xc5461ac6,
+  0x26839a7c, 0xc54b1ab4, 0x26781410, 0xc5501ce5,
+  0x266c8e9f, 0xc555215a, 0x26610a2a, 0xc55a2812,
+  0x265586b3, 0xc55f310d, 0x264a0438, 0xc5643c4a,
+  0x263e82bc, 0xc56949ca, 0x2633023e, 0xc56e598c,
+  0x262782be, 0xc5736b90, 0x261c043d, 0xc5787fd6,
+  0x261086bc, 0xc57d965d, 0x26050a3b, 0xc582af26,
+  0x25f98ebb, 0xc587ca31, 0x25ee143b, 0xc58ce77c,
+  0x25e29abc, 0xc5920708, 0x25d72240, 0xc59728d5,
+  0x25cbaac5, 0xc59c4ce3, 0x25c0344d, 0xc5a17330,
+  0x25b4bed8, 0xc5a69bbe, 0x25a94a67, 0xc5abc68c,
+  0x259dd6f9, 0xc5b0f399, 0x25926490, 0xc5b622e6,
+  0x2586f32c, 0xc5bb5472, 0x257b82cd, 0xc5c0883d,
+  0x25701374, 0xc5c5be47, 0x2564a521, 0xc5caf690,
+  0x255937d5, 0xc5d03118, 0x254dcb8f, 0xc5d56ddd,
+  0x25426051, 0xc5daace1, 0x2536f61b, 0xc5dfee22,
+  0x252b8cee, 0xc5e531a1, 0x252024c9, 0xc5ea775e,
+  0x2514bdad, 0xc5efbf58, 0x2509579b, 0xc5f5098f,
+  0x24fdf294, 0xc5fa5603, 0x24f28e96, 0xc5ffa4b3,
+  0x24e72ba4, 0xc604f5a0, 0x24dbc9bd, 0xc60a48c9,
+  0x24d068e2, 0xc60f9e2e, 0x24c50914, 0xc614f5cf,
+  0x24b9aa52, 0xc61a4fac, 0x24ae4c9d, 0xc61fabc4,
+  0x24a2eff6, 0xc6250a18, 0x2497945d, 0xc62a6aa6,
+  0x248c39d3, 0xc62fcd6f, 0x2480e057, 0xc6353273,
+  0x247587eb, 0xc63a99b1, 0x246a308f, 0xc6400329,
+  0x245eda43, 0xc6456edb, 0x24538507, 0xc64adcc7,
+  0x244830dd, 0xc6504ced, 0x243cddc4, 0xc655bf4c,
+  0x24318bbe, 0xc65b33e4, 0x24263ac9, 0xc660aab5,
+  0x241aeae8, 0xc66623be, 0x240f9c1a, 0xc66b9f01,
+  0x24044e60, 0xc6711c7b, 0x23f901ba, 0xc6769c2e,
+  0x23edb628, 0xc67c1e18, 0x23e26bac, 0xc681a23a,
+  0x23d72245, 0xc6872894, 0x23cbd9f4, 0xc68cb124,
+  0x23c092b9, 0xc6923bec, 0x23b54c95, 0xc697c8eb,
+  0x23aa0788, 0xc69d5820, 0x239ec393, 0xc6a2e98b,
+  0x239380b6, 0xc6a87d2d, 0x23883ef2, 0xc6ae1304,
+  0x237cfe47, 0xc6b3ab12, 0x2371beb5, 0xc6b94554,
+  0x2366803c, 0xc6bee1cd, 0x235b42df, 0xc6c4807a,
+  0x2350069b, 0xc6ca215c, 0x2344cb73, 0xc6cfc472,
+  0x23399167, 0xc6d569be, 0x232e5876, 0xc6db113d,
+  0x232320a2, 0xc6e0baf0, 0x2317e9eb, 0xc6e666d7,
+  0x230cb451, 0xc6ec14f2, 0x23017fd5, 0xc6f1c540,
+  0x22f64c77, 0xc6f777c1, 0x22eb1a37, 0xc6fd2c75,
+  0x22dfe917, 0xc702e35c, 0x22d4b916, 0xc7089c75,
+  0x22c98a35, 0xc70e57c0, 0x22be5c74, 0xc714153e,
+  0x22b32fd4, 0xc719d4ed, 0x22a80456, 0xc71f96ce,
+  0x229cd9f8, 0xc7255ae0, 0x2291b0bd, 0xc72b2123,
+  0x228688a4, 0xc730e997, 0x227b61af, 0xc736b43c,
+  0x22703bdc, 0xc73c8111, 0x2265172e, 0xc7425016,
+  0x2259f3a3, 0xc748214c, 0x224ed13d, 0xc74df4b1,
+  0x2243affc, 0xc753ca46, 0x22388fe1, 0xc759a20a,
+  0x222d70eb, 0xc75f7bfe, 0x2222531c, 0xc7655820,
+  0x22173674, 0xc76b3671, 0x220c1af3, 0xc77116f0,
+  0x22010099, 0xc776f99d, 0x21f5e768, 0xc77cde79,
+  0x21eacf5f, 0xc782c582, 0x21dfb87f, 0xc788aeb9,
+  0x21d4a2c8, 0xc78e9a1d, 0x21c98e3b, 0xc79487ae,
+  0x21be7ad8, 0xc79a776c, 0x21b368a0, 0xc7a06957,
+  0x21a85793, 0xc7a65d6e, 0x219d47b1, 0xc7ac53b1,
+  0x219238fb, 0xc7b24c20, 0x21872b72, 0xc7b846ba,
+  0x217c1f15, 0xc7be4381, 0x217113e5, 0xc7c44272,
+  0x216609e3, 0xc7ca438f, 0x215b0110, 0xc7d046d6,
+  0x214ff96a, 0xc7d64c47, 0x2144f2f3, 0xc7dc53e3,
+  0x2139edac, 0xc7e25daa, 0x212ee995, 0xc7e8699a,
+  0x2123e6ad, 0xc7ee77b3, 0x2118e4f6, 0xc7f487f6,
+  0x210de470, 0xc7fa9a62, 0x2102e51c, 0xc800aef7,
+  0x20f7e6f9, 0xc806c5b5, 0x20ecea09, 0xc80cde9b,
+  0x20e1ee4b, 0xc812f9a9, 0x20d6f3c1, 0xc81916df,
+  0x20cbfa6a, 0xc81f363d, 0x20c10247, 0xc82557c3,
+  0x20b60b58, 0xc82b7b70, 0x20ab159e, 0xc831a143,
+  0x20a0211a, 0xc837c93e, 0x20952dcb, 0xc83df35f,
+  0x208a3bb2, 0xc8441fa6, 0x207f4acf, 0xc84a4e14,
+  0x20745b24, 0xc8507ea7, 0x20696cb0, 0xc856b160,
+  0x205e7f74, 0xc85ce63e, 0x2053936f, 0xc8631d42,
+  0x2048a8a4, 0xc869566a, 0x203dbf11, 0xc86f91b7,
+  0x2032d6b8, 0xc875cf28, 0x2027ef99, 0xc87c0ebd,
+  0x201d09b4, 0xc8825077, 0x2012250a, 0xc8889454,
+  0x2007419b, 0xc88eda54, 0x1ffc5f67, 0xc8952278,
+  0x1ff17e70, 0xc89b6cbf, 0x1fe69eb4, 0xc8a1b928,
+  0x1fdbc036, 0xc8a807b4, 0x1fd0e2f5, 0xc8ae5862,
+  0x1fc606f1, 0xc8b4ab32, 0x1fbb2c2c, 0xc8bb0023,
+  0x1fb052a5, 0xc8c15736, 0x1fa57a5d, 0xc8c7b06b,
+  0x1f9aa354, 0xc8ce0bc0, 0x1f8fcd8b, 0xc8d46936,
+  0x1f84f902, 0xc8dac8cd, 0x1f7a25ba, 0xc8e12a84,
+  0x1f6f53b3, 0xc8e78e5b, 0x1f6482ed, 0xc8edf452,
+  0x1f59b369, 0xc8f45c68, 0x1f4ee527, 0xc8fac69e,
+  0x1f441828, 0xc90132f2, 0x1f394c6b, 0xc907a166,
+  0x1f2e81f3, 0xc90e11f7, 0x1f23b8be, 0xc91484a8,
+  0x1f18f0ce, 0xc91af976, 0x1f0e2a22, 0xc9217062,
+  0x1f0364bc, 0xc927e96b, 0x1ef8a09b, 0xc92e6492,
+  0x1eedddc0, 0xc934e1d6, 0x1ee31c2b, 0xc93b6137,
+  0x1ed85bdd, 0xc941e2b4, 0x1ecd9cd7, 0xc948664d,
+  0x1ec2df18, 0xc94eec03, 0x1eb822a1, 0xc95573d4,
+  0x1ead6773, 0xc95bfdc1, 0x1ea2ad8d, 0xc96289c9,
+  0x1e97f4f1, 0xc96917ec, 0x1e8d3d9e, 0xc96fa82a,
+  0x1e828796, 0xc9763a83, 0x1e77d2d8, 0xc97ccef5,
+  0x1e6d1f65, 0xc9836582, 0x1e626d3e, 0xc989fe29,
+  0x1e57bc62, 0xc99098e9, 0x1e4d0cd2, 0xc99735c2,
+  0x1e425e8f, 0xc99dd4b4, 0x1e37b199, 0xc9a475bf,
+  0x1e2d05f1, 0xc9ab18e3, 0x1e225b96, 0xc9b1be1e,
+  0x1e17b28a, 0xc9b86572, 0x1e0d0acc, 0xc9bf0edd,
+  0x1e02645d, 0xc9c5ba60, 0x1df7bf3e, 0xc9cc67fa,
+  0x1ded1b6e, 0xc9d317ab, 0x1de278ef, 0xc9d9c973,
+  0x1dd7d7c1, 0xc9e07d51, 0x1dcd37e4, 0xc9e73346,
+  0x1dc29958, 0xc9edeb50, 0x1db7fc1e, 0xc9f4a570,
+  0x1dad6036, 0xc9fb61a5, 0x1da2c5a2, 0xca021fef,
+  0x1d982c60, 0xca08e04f, 0x1d8d9472, 0xca0fa2c3,
+  0x1d82fdd8, 0xca16674b, 0x1d786892, 0xca1d2de7,
+  0x1d6dd4a2, 0xca23f698, 0x1d634206, 0xca2ac15b,
+  0x1d58b0c0, 0xca318e32, 0x1d4e20d0, 0xca385d1d,
+  0x1d439236, 0xca3f2e19, 0x1d3904f4, 0xca460129,
+  0x1d2e7908, 0xca4cd64b, 0x1d23ee74, 0xca53ad7e,
+  0x1d196538, 0xca5a86c4, 0x1d0edd55, 0xca61621b,
+  0x1d0456ca, 0xca683f83, 0x1cf9d199, 0xca6f1efc,
+  0x1cef4dc2, 0xca760086, 0x1ce4cb44, 0xca7ce420,
+  0x1cda4a21, 0xca83c9ca, 0x1ccfca59, 0xca8ab184,
+  0x1cc54bec, 0xca919b4e, 0x1cbacedb, 0xca988727,
+  0x1cb05326, 0xca9f750f, 0x1ca5d8cd, 0xcaa66506,
+  0x1c9b5fd2, 0xcaad570c, 0x1c90e834, 0xcab44b1f,
+  0x1c8671f3, 0xcabb4141, 0x1c7bfd11, 0xcac23971,
+  0x1c71898d, 0xcac933ae, 0x1c671768, 0xcad02ff8,
+  0x1c5ca6a2, 0xcad72e4f, 0x1c52373c, 0xcade2eb3,
+  0x1c47c936, 0xcae53123, 0x1c3d5c91, 0xcaec35a0,
+  0x1c32f14d, 0xcaf33c28, 0x1c28876a, 0xcafa44bc,
+  0x1c1e1ee9, 0xcb014f5b, 0x1c13b7c9, 0xcb085c05,
+  0x1c09520d, 0xcb0f6aba, 0x1bfeedb3, 0xcb167b79,
+  0x1bf48abd, 0xcb1d8e43, 0x1bea292b, 0xcb24a316,
+  0x1bdfc8fc, 0xcb2bb9f4, 0x1bd56a32, 0xcb32d2da,
+  0x1bcb0cce, 0xcb39edca, 0x1bc0b0ce, 0xcb410ac3,
+  0x1bb65634, 0xcb4829c4, 0x1babfd01, 0xcb4f4acd,
+  0x1ba1a534, 0xcb566ddf, 0x1b974ece, 0xcb5d92f8,
+  0x1b8cf9cf, 0xcb64ba19, 0x1b82a638, 0xcb6be341,
+  0x1b785409, 0xcb730e70, 0x1b6e0342, 0xcb7a3ba5,
+  0x1b63b3e5, 0xcb816ae1, 0x1b5965f1, 0xcb889c23,
+  0x1b4f1967, 0xcb8fcf6b, 0x1b44ce46, 0xcb9704b9,
+  0x1b3a8491, 0xcb9e3c0b, 0x1b303c46, 0xcba57563,
+  0x1b25f566, 0xcbacb0bf, 0x1b1baff2, 0xcbb3ee20,
+  0x1b116beb, 0xcbbb2d85, 0x1b072950, 0xcbc26eee,
+  0x1afce821, 0xcbc9b25a, 0x1af2a860, 0xcbd0f7ca,
+  0x1ae86a0d, 0xcbd83f3d, 0x1ade2d28, 0xcbdf88b3,
+  0x1ad3f1b1, 0xcbe6d42b, 0x1ac9b7a9, 0xcbee21a5,
+  0x1abf7f11, 0xcbf57121, 0x1ab547e8, 0xcbfcc29f,
+  0x1aab122f, 0xcc04161e, 0x1aa0dde7, 0xcc0b6b9e,
+  0x1a96ab0f, 0xcc12c31f, 0x1a8c79a9, 0xcc1a1ca0,
+  0x1a8249b4, 0xcc217822, 0x1a781b31, 0xcc28d5a3,
+  0x1a6dee21, 0xcc303524, 0x1a63c284, 0xcc3796a5,
+  0x1a599859, 0xcc3efa25, 0x1a4f6fa3, 0xcc465fa3,
+  0x1a454860, 0xcc4dc720, 0x1a3b2292, 0xcc55309b,
+  0x1a30fe38, 0xcc5c9c14, 0x1a26db54, 0xcc64098b,
+  0x1a1cb9e5, 0xcc6b78ff, 0x1a1299ec, 0xcc72ea70,
+  0x1a087b69, 0xcc7a5dde, 0x19fe5e5e, 0xcc81d349,
+  0x19f442c9, 0xcc894aaf, 0x19ea28ac, 0xcc90c412,
+  0x19e01006, 0xcc983f70, 0x19d5f8d9, 0xcc9fbcca,
+  0x19cbe325, 0xcca73c1e, 0x19c1cee9, 0xccaebd6e,
+  0x19b7bc27, 0xccb640b8, 0x19adaadf, 0xccbdc5fc,
+  0x19a39b11, 0xccc54d3a, 0x19998cbe, 0xccccd671,
+  0x198f7fe6, 0xccd461a2, 0x19857489, 0xccdbeecc,
+  0x197b6aa8, 0xcce37def, 0x19716243, 0xcceb0f0a,
+  0x19675b5a, 0xccf2a21d, 0x195d55ef, 0xccfa3729,
+  0x19535201, 0xcd01ce2b, 0x19494f90, 0xcd096725,
+  0x193f4e9e, 0xcd110216, 0x19354f2a, 0xcd189efe,
+  0x192b5135, 0xcd203ddc, 0x192154bf, 0xcd27deb0,
+  0x191759c9, 0xcd2f817b, 0x190d6053, 0xcd37263a,
+  0x1903685d, 0xcd3eccef, 0x18f971e8, 0xcd467599,
+  0x18ef7cf4, 0xcd4e2037, 0x18e58982, 0xcd55ccca,
+  0x18db9792, 0xcd5d7b50, 0x18d1a724, 0xcd652bcb,
+  0x18c7b838, 0xcd6cde39, 0x18bdcad0, 0xcd74929a,
+  0x18b3deeb, 0xcd7c48ee, 0x18a9f48a, 0xcd840134,
+  0x18a00bae, 0xcd8bbb6d, 0x18962456, 0xcd937798,
+  0x188c3e83, 0xcd9b35b4, 0x18825a35, 0xcda2f5c2,
+  0x1878776d, 0xcdaab7c0, 0x186e962b, 0xcdb27bb0,
+  0x1864b670, 0xcdba4190, 0x185ad83c, 0xcdc20960,
+  0x1850fb8e, 0xcdc9d320, 0x18472069, 0xcdd19ed0,
+  0x183d46cc, 0xcdd96c6f, 0x18336eb7, 0xcde13bfd,
+  0x1829982b, 0xcde90d79, 0x181fc328, 0xcdf0e0e4,
+  0x1815efae, 0xcdf8b63d, 0x180c1dbf, 0xce008d84,
+  0x18024d59, 0xce0866b8, 0x17f87e7f, 0xce1041d9,
+  0x17eeb130, 0xce181ee8, 0x17e4e56c, 0xce1ffde2,
+  0x17db1b34, 0xce27dec9, 0x17d15288, 0xce2fc19c,
+  0x17c78b68, 0xce37a65b, 0x17bdc5d6, 0xce3f8d05,
+  0x17b401d1, 0xce47759a, 0x17aa3f5a, 0xce4f6019,
+  0x17a07e70, 0xce574c84, 0x1796bf16, 0xce5f3ad8,
+  0x178d014a, 0xce672b16, 0x1783450d, 0xce6f1d3d,
+  0x17798a60, 0xce77114e, 0x176fd143, 0xce7f0748,
+  0x176619b6, 0xce86ff2a, 0x175c63ba, 0xce8ef8f4,
+  0x1752af4f, 0xce96f4a7, 0x1748fc75, 0xce9ef241,
+  0x173f4b2e, 0xcea6f1c2, 0x17359b78, 0xceaef32b,
+  0x172bed55, 0xceb6f67a, 0x172240c5, 0xcebefbb0,
+  0x171895c9, 0xcec702cb, 0x170eec60, 0xcecf0bcd,
+  0x1705448b, 0xced716b4, 0x16fb9e4b, 0xcedf2380,
+  0x16f1f99f, 0xcee73231, 0x16e85689, 0xceef42c7,
+  0x16deb508, 0xcef75541, 0x16d5151d, 0xceff699f,
+  0x16cb76c9, 0xcf077fe1, 0x16c1da0b, 0xcf0f9805,
+  0x16b83ee4, 0xcf17b20d, 0x16aea555, 0xcf1fcdf8,
+  0x16a50d5d, 0xcf27ebc5, 0x169b76fe, 0xcf300b74,
+  0x1691e237, 0xcf382d05, 0x16884f09, 0xcf405077,
+  0x167ebd74, 0xcf4875ca, 0x16752d79, 0xcf509cfe,
+  0x166b9f18, 0xcf58c613, 0x16621251, 0xcf60f108,
+  0x16588725, 0xcf691ddd, 0x164efd94, 0xcf714c91,
+  0x1645759f, 0xcf797d24, 0x163bef46, 0xcf81af97,
+  0x16326a88, 0xcf89e3e8, 0x1628e767, 0xcf921a17,
+  0x161f65e4, 0xcf9a5225, 0x1615e5fd, 0xcfa28c10,
+  0x160c67b4, 0xcfaac7d8, 0x1602eb0a, 0xcfb3057d,
+  0x15f96ffd, 0xcfbb4500, 0x15eff690, 0xcfc3865e,
+  0x15e67ec1, 0xcfcbc999, 0x15dd0892, 0xcfd40eaf,
+  0x15d39403, 0xcfdc55a1, 0x15ca2115, 0xcfe49e6d,
+  0x15c0afc6, 0xcfece915, 0x15b74019, 0xcff53597,
+  0x15add20d, 0xcffd83f4, 0x15a465a3, 0xd005d42a,
+  0x159afadb, 0xd00e2639, 0x159191b5, 0xd0167a22,
+  0x15882a32, 0xd01ecfe4, 0x157ec452, 0xd027277e,
+  0x15756016, 0xd02f80f1, 0x156bfd7d, 0xd037dc3b,
+  0x15629c89, 0xd040395d, 0x15593d3a, 0xd0489856,
+  0x154fdf8f, 0xd050f926, 0x15468389, 0xd0595bcd,
+  0x153d292a, 0xd061c04a, 0x1533d070, 0xd06a269d,
+  0x152a795d, 0xd0728ec6, 0x152123f0, 0xd07af8c4,
+  0x1517d02b, 0xd0836497, 0x150e7e0d, 0xd08bd23f,
+  0x15052d97, 0xd09441bb, 0x14fbdec9, 0xd09cb30b,
+  0x14f291a4, 0xd0a5262f, 0x14e94627, 0xd0ad9b26,
+  0x14dffc54, 0xd0b611f1, 0x14d6b42b, 0xd0be8a8d,
+  0x14cd6dab, 0xd0c704fd, 0x14c428d6, 0xd0cf813e,
+  0x14bae5ab, 0xd0d7ff51, 0x14b1a42c, 0xd0e07f36,
+  0x14a86458, 0xd0e900ec, 0x149f2630, 0xd0f18472,
+  0x1495e9b3, 0xd0fa09c9, 0x148caee4, 0xd10290f0,
+  0x148375c1, 0xd10b19e7, 0x147a3e4b, 0xd113a4ad,
+  0x14710883, 0xd11c3142, 0x1467d469, 0xd124bfa6,
+  0x145ea1fd, 0xd12d4fd9, 0x14557140, 0xd135e1d9,
+  0x144c4232, 0xd13e75a8, 0x144314d3, 0xd1470b44,
+  0x1439e923, 0xd14fa2ad, 0x1430bf24, 0xd1583be2,
+  0x142796d5, 0xd160d6e5, 0x141e7037, 0xd16973b3,
+  0x14154b4a, 0xd172124d, 0x140c280e, 0xd17ab2b3,
+  0x14030684, 0xd18354e4, 0x13f9e6ad, 0xd18bf8e0,
+  0x13f0c887, 0xd1949ea6, 0x13e7ac15, 0xd19d4636,
+  0x13de9156, 0xd1a5ef90, 0x13d5784a, 0xd1ae9ab4,
+  0x13cc60f2, 0xd1b747a0, 0x13c34b4f, 0xd1bff656,
+  0x13ba3760, 0xd1c8a6d4, 0x13b12526, 0xd1d1591a,
+  0x13a814a2, 0xd1da0d28, 0x139f05d3, 0xd1e2c2fd,
+  0x1395f8ba, 0xd1eb7a9a, 0x138ced57, 0xd1f433fd,
+  0x1383e3ab, 0xd1fcef27, 0x137adbb6, 0xd205ac17,
+  0x1371d579, 0xd20e6acc, 0x1368d0f3, 0xd2172b48,
+  0x135fce26, 0xd21fed88, 0x1356cd11, 0xd228b18d,
+  0x134dcdb4, 0xd2317756, 0x1344d011, 0xd23a3ee4,
+  0x133bd427, 0xd2430835, 0x1332d9f7, 0xd24bd34a,
+  0x1329e181, 0xd254a021, 0x1320eac6, 0xd25d6ebc,
+  0x1317f5c6, 0xd2663f19, 0x130f0280, 0xd26f1138,
+  0x130610f7, 0xd277e518, 0x12fd2129, 0xd280babb,
+  0x12f43318, 0xd289921e, 0x12eb46c3, 0xd2926b41,
+  0x12e25c2b, 0xd29b4626, 0x12d97350, 0xd2a422ca,
+  0x12d08c33, 0xd2ad012e, 0x12c7a6d4, 0xd2b5e151,
+  0x12bec333, 0xd2bec333, 0x12b5e151, 0xd2c7a6d4,
+  0x12ad012e, 0xd2d08c33, 0x12a422ca, 0xd2d97350,
+  0x129b4626, 0xd2e25c2b, 0x12926b41, 0xd2eb46c3,
+  0x1289921e, 0xd2f43318, 0x1280babb, 0xd2fd2129,
+  0x1277e518, 0xd30610f7, 0x126f1138, 0xd30f0280,
+  0x12663f19, 0xd317f5c6, 0x125d6ebc, 0xd320eac6,
+  0x1254a021, 0xd329e181, 0x124bd34a, 0xd332d9f7,
+  0x12430835, 0xd33bd427, 0x123a3ee4, 0xd344d011,
+  0x12317756, 0xd34dcdb4, 0x1228b18d, 0xd356cd11,
+  0x121fed88, 0xd35fce26, 0x12172b48, 0xd368d0f3,
+  0x120e6acc, 0xd371d579, 0x1205ac17, 0xd37adbb6,
+  0x11fcef27, 0xd383e3ab, 0x11f433fd, 0xd38ced57,
+  0x11eb7a9a, 0xd395f8ba, 0x11e2c2fd, 0xd39f05d3,
+  0x11da0d28, 0xd3a814a2, 0x11d1591a, 0xd3b12526,
+  0x11c8a6d4, 0xd3ba3760, 0x11bff656, 0xd3c34b4f,
+  0x11b747a0, 0xd3cc60f2, 0x11ae9ab4, 0xd3d5784a,
+  0x11a5ef90, 0xd3de9156, 0x119d4636, 0xd3e7ac15,
+  0x11949ea6, 0xd3f0c887, 0x118bf8e0, 0xd3f9e6ad,
+  0x118354e4, 0xd4030684, 0x117ab2b3, 0xd40c280e,
+  0x1172124d, 0xd4154b4a, 0x116973b3, 0xd41e7037,
+  0x1160d6e5, 0xd42796d5, 0x11583be2, 0xd430bf24,
+  0x114fa2ad, 0xd439e923, 0x11470b44, 0xd44314d3,
+  0x113e75a8, 0xd44c4232, 0x1135e1d9, 0xd4557140,
+  0x112d4fd9, 0xd45ea1fd, 0x1124bfa6, 0xd467d469,
+  0x111c3142, 0xd4710883, 0x1113a4ad, 0xd47a3e4b,
+  0x110b19e7, 0xd48375c1, 0x110290f0, 0xd48caee4,
+  0x10fa09c9, 0xd495e9b3, 0x10f18472, 0xd49f2630,
+  0x10e900ec, 0xd4a86458, 0x10e07f36, 0xd4b1a42c,
+  0x10d7ff51, 0xd4bae5ab, 0x10cf813e, 0xd4c428d6,
+  0x10c704fd, 0xd4cd6dab, 0x10be8a8d, 0xd4d6b42b,
+  0x10b611f1, 0xd4dffc54, 0x10ad9b26, 0xd4e94627,
+  0x10a5262f, 0xd4f291a4, 0x109cb30b, 0xd4fbdec9,
+  0x109441bb, 0xd5052d97, 0x108bd23f, 0xd50e7e0d,
+  0x10836497, 0xd517d02b, 0x107af8c4, 0xd52123f0,
+  0x10728ec6, 0xd52a795d, 0x106a269d, 0xd533d070,
+  0x1061c04a, 0xd53d292a, 0x10595bcd, 0xd5468389,
+  0x1050f926, 0xd54fdf8f, 0x10489856, 0xd5593d3a,
+  0x1040395d, 0xd5629c89, 0x1037dc3b, 0xd56bfd7d,
+  0x102f80f1, 0xd5756016, 0x1027277e, 0xd57ec452,
+  0x101ecfe4, 0xd5882a32, 0x10167a22, 0xd59191b5,
+  0x100e2639, 0xd59afadb, 0x1005d42a, 0xd5a465a3,
+  0xffd83f4, 0xd5add20d, 0xff53597, 0xd5b74019,
+  0xfece915, 0xd5c0afc6, 0xfe49e6d, 0xd5ca2115,
+  0xfdc55a1, 0xd5d39403, 0xfd40eaf, 0xd5dd0892,
+  0xfcbc999, 0xd5e67ec1, 0xfc3865e, 0xd5eff690,
+  0xfbb4500, 0xd5f96ffd, 0xfb3057d, 0xd602eb0a,
+  0xfaac7d8, 0xd60c67b4, 0xfa28c10, 0xd615e5fd,
+  0xf9a5225, 0xd61f65e4, 0xf921a17, 0xd628e767,
+  0xf89e3e8, 0xd6326a88, 0xf81af97, 0xd63bef46,
+  0xf797d24, 0xd645759f, 0xf714c91, 0xd64efd94,
+  0xf691ddd, 0xd6588725, 0xf60f108, 0xd6621251,
+  0xf58c613, 0xd66b9f18, 0xf509cfe, 0xd6752d79,
+  0xf4875ca, 0xd67ebd74, 0xf405077, 0xd6884f09,
+  0xf382d05, 0xd691e237, 0xf300b74, 0xd69b76fe,
+  0xf27ebc5, 0xd6a50d5d, 0xf1fcdf8, 0xd6aea555,
+  0xf17b20d, 0xd6b83ee4, 0xf0f9805, 0xd6c1da0b,
+  0xf077fe1, 0xd6cb76c9, 0xeff699f, 0xd6d5151d,
+  0xef75541, 0xd6deb508, 0xeef42c7, 0xd6e85689,
+  0xee73231, 0xd6f1f99f, 0xedf2380, 0xd6fb9e4b,
+  0xed716b4, 0xd705448b, 0xecf0bcd, 0xd70eec60,
+  0xec702cb, 0xd71895c9, 0xebefbb0, 0xd72240c5,
+  0xeb6f67a, 0xd72bed55, 0xeaef32b, 0xd7359b78,
+  0xea6f1c2, 0xd73f4b2e, 0xe9ef241, 0xd748fc75,
+  0xe96f4a7, 0xd752af4f, 0xe8ef8f4, 0xd75c63ba,
+  0xe86ff2a, 0xd76619b6, 0xe7f0748, 0xd76fd143,
+  0xe77114e, 0xd7798a60, 0xe6f1d3d, 0xd783450d,
+  0xe672b16, 0xd78d014a, 0xe5f3ad8, 0xd796bf16,
+  0xe574c84, 0xd7a07e70, 0xe4f6019, 0xd7aa3f5a,
+  0xe47759a, 0xd7b401d1, 0xe3f8d05, 0xd7bdc5d6,
+  0xe37a65b, 0xd7c78b68, 0xe2fc19c, 0xd7d15288,
+  0xe27dec9, 0xd7db1b34, 0xe1ffde2, 0xd7e4e56c,
+  0xe181ee8, 0xd7eeb130, 0xe1041d9, 0xd7f87e7f,
+  0xe0866b8, 0xd8024d59, 0xe008d84, 0xd80c1dbf,
+  0xdf8b63d, 0xd815efae, 0xdf0e0e4, 0xd81fc328,
+  0xde90d79, 0xd829982b, 0xde13bfd, 0xd8336eb7,
+  0xdd96c6f, 0xd83d46cc, 0xdd19ed0, 0xd8472069,
+  0xdc9d320, 0xd850fb8e, 0xdc20960, 0xd85ad83c,
+  0xdba4190, 0xd864b670, 0xdb27bb0, 0xd86e962b,
+  0xdaab7c0, 0xd878776d, 0xda2f5c2, 0xd8825a35,
+  0xd9b35b4, 0xd88c3e83, 0xd937798, 0xd8962456,
+  0xd8bbb6d, 0xd8a00bae, 0xd840134, 0xd8a9f48a,
+  0xd7c48ee, 0xd8b3deeb, 0xd74929a, 0xd8bdcad0,
+  0xd6cde39, 0xd8c7b838, 0xd652bcb, 0xd8d1a724,
+  0xd5d7b50, 0xd8db9792, 0xd55ccca, 0xd8e58982,
+  0xd4e2037, 0xd8ef7cf4, 0xd467599, 0xd8f971e8,
+  0xd3eccef, 0xd903685d, 0xd37263a, 0xd90d6053,
+  0xd2f817b, 0xd91759c9, 0xd27deb0, 0xd92154bf,
+  0xd203ddc, 0xd92b5135, 0xd189efe, 0xd9354f2a,
+  0xd110216, 0xd93f4e9e, 0xd096725, 0xd9494f90,
+  0xd01ce2b, 0xd9535201, 0xcfa3729, 0xd95d55ef,
+  0xcf2a21d, 0xd9675b5a, 0xceb0f0a, 0xd9716243,
+  0xce37def, 0xd97b6aa8, 0xcdbeecc, 0xd9857489,
+  0xcd461a2, 0xd98f7fe6, 0xcccd671, 0xd9998cbe,
+  0xcc54d3a, 0xd9a39b11, 0xcbdc5fc, 0xd9adaadf,
+  0xcb640b8, 0xd9b7bc27, 0xcaebd6e, 0xd9c1cee9,
+  0xca73c1e, 0xd9cbe325, 0xc9fbcca, 0xd9d5f8d9,
+  0xc983f70, 0xd9e01006, 0xc90c412, 0xd9ea28ac,
+  0xc894aaf, 0xd9f442c9, 0xc81d349, 0xd9fe5e5e,
+  0xc7a5dde, 0xda087b69, 0xc72ea70, 0xda1299ec,
+  0xc6b78ff, 0xda1cb9e5, 0xc64098b, 0xda26db54,
+  0xc5c9c14, 0xda30fe38, 0xc55309b, 0xda3b2292,
+  0xc4dc720, 0xda454860, 0xc465fa3, 0xda4f6fa3,
+  0xc3efa25, 0xda599859, 0xc3796a5, 0xda63c284,
+  0xc303524, 0xda6dee21, 0xc28d5a3, 0xda781b31,
+  0xc217822, 0xda8249b4, 0xc1a1ca0, 0xda8c79a9,
+  0xc12c31f, 0xda96ab0f, 0xc0b6b9e, 0xdaa0dde7,
+  0xc04161e, 0xdaab122f, 0xbfcc29f, 0xdab547e8,
+  0xbf57121, 0xdabf7f11, 0xbee21a5, 0xdac9b7a9,
+  0xbe6d42b, 0xdad3f1b1, 0xbdf88b3, 0xdade2d28,
+  0xbd83f3d, 0xdae86a0d, 0xbd0f7ca, 0xdaf2a860,
+  0xbc9b25a, 0xdafce821, 0xbc26eee, 0xdb072950,
+  0xbbb2d85, 0xdb116beb, 0xbb3ee20, 0xdb1baff2,
+  0xbacb0bf, 0xdb25f566, 0xba57563, 0xdb303c46,
+  0xb9e3c0b, 0xdb3a8491, 0xb9704b9, 0xdb44ce46,
+  0xb8fcf6b, 0xdb4f1967, 0xb889c23, 0xdb5965f1,
+  0xb816ae1, 0xdb63b3e5, 0xb7a3ba5, 0xdb6e0342,
+  0xb730e70, 0xdb785409, 0xb6be341, 0xdb82a638,
+  0xb64ba19, 0xdb8cf9cf, 0xb5d92f8, 0xdb974ece,
+  0xb566ddf, 0xdba1a534, 0xb4f4acd, 0xdbabfd01,
+  0xb4829c4, 0xdbb65634, 0xb410ac3, 0xdbc0b0ce,
+  0xb39edca, 0xdbcb0cce, 0xb32d2da, 0xdbd56a32,
+  0xb2bb9f4, 0xdbdfc8fc, 0xb24a316, 0xdbea292b,
+  0xb1d8e43, 0xdbf48abd, 0xb167b79, 0xdbfeedb3,
+  0xb0f6aba, 0xdc09520d, 0xb085c05, 0xdc13b7c9,
+  0xb014f5b, 0xdc1e1ee9, 0xafa44bc, 0xdc28876a,
+  0xaf33c28, 0xdc32f14d, 0xaec35a0, 0xdc3d5c91,
+  0xae53123, 0xdc47c936, 0xade2eb3, 0xdc52373c,
+  0xad72e4f, 0xdc5ca6a2, 0xad02ff8, 0xdc671768,
+  0xac933ae, 0xdc71898d, 0xac23971, 0xdc7bfd11,
+  0xabb4141, 0xdc8671f3, 0xab44b1f, 0xdc90e834,
+  0xaad570c, 0xdc9b5fd2, 0xaa66506, 0xdca5d8cd,
+  0xa9f750f, 0xdcb05326, 0xa988727, 0xdcbacedb,
+  0xa919b4e, 0xdcc54bec, 0xa8ab184, 0xdccfca59,
+  0xa83c9ca, 0xdcda4a21, 0xa7ce420, 0xdce4cb44,
+  0xa760086, 0xdcef4dc2, 0xa6f1efc, 0xdcf9d199,
+  0xa683f83, 0xdd0456ca, 0xa61621b, 0xdd0edd55,
+  0xa5a86c4, 0xdd196538, 0xa53ad7e, 0xdd23ee74,
+  0xa4cd64b, 0xdd2e7908, 0xa460129, 0xdd3904f4,
+  0xa3f2e19, 0xdd439236, 0xa385d1d, 0xdd4e20d0,
+  0xa318e32, 0xdd58b0c0, 0xa2ac15b, 0xdd634206,
+  0xa23f698, 0xdd6dd4a2, 0xa1d2de7, 0xdd786892,
+  0xa16674b, 0xdd82fdd8, 0xa0fa2c3, 0xdd8d9472,
+  0xa08e04f, 0xdd982c60, 0xa021fef, 0xdda2c5a2,
+  0x9fb61a5, 0xddad6036, 0x9f4a570, 0xddb7fc1e,
+  0x9edeb50, 0xddc29958, 0x9e73346, 0xddcd37e4,
+  0x9e07d51, 0xddd7d7c1, 0x9d9c973, 0xdde278ef,
+  0x9d317ab, 0xdded1b6e, 0x9cc67fa, 0xddf7bf3e,
+  0x9c5ba60, 0xde02645d, 0x9bf0edd, 0xde0d0acc,
+  0x9b86572, 0xde17b28a, 0x9b1be1e, 0xde225b96,
+  0x9ab18e3, 0xde2d05f1, 0x9a475bf, 0xde37b199,
+  0x99dd4b4, 0xde425e8f, 0x99735c2, 0xde4d0cd2,
+  0x99098e9, 0xde57bc62, 0x989fe29, 0xde626d3e,
+  0x9836582, 0xde6d1f65, 0x97ccef5, 0xde77d2d8,
+  0x9763a83, 0xde828796, 0x96fa82a, 0xde8d3d9e,
+  0x96917ec, 0xde97f4f1, 0x96289c9, 0xdea2ad8d,
+  0x95bfdc1, 0xdead6773, 0x95573d4, 0xdeb822a1,
+  0x94eec03, 0xdec2df18, 0x948664d, 0xdecd9cd7,
+  0x941e2b4, 0xded85bdd, 0x93b6137, 0xdee31c2b,
+  0x934e1d6, 0xdeedddc0, 0x92e6492, 0xdef8a09b,
+  0x927e96b, 0xdf0364bc, 0x9217062, 0xdf0e2a22,
+  0x91af976, 0xdf18f0ce, 0x91484a8, 0xdf23b8be,
+  0x90e11f7, 0xdf2e81f3, 0x907a166, 0xdf394c6b,
+  0x90132f2, 0xdf441828, 0x8fac69e, 0xdf4ee527,
+  0x8f45c68, 0xdf59b369, 0x8edf452, 0xdf6482ed,
+  0x8e78e5b, 0xdf6f53b3, 0x8e12a84, 0xdf7a25ba,
+  0x8dac8cd, 0xdf84f902, 0x8d46936, 0xdf8fcd8b,
+  0x8ce0bc0, 0xdf9aa354, 0x8c7b06b, 0xdfa57a5d,
+  0x8c15736, 0xdfb052a5, 0x8bb0023, 0xdfbb2c2c,
+  0x8b4ab32, 0xdfc606f1, 0x8ae5862, 0xdfd0e2f5,
+  0x8a807b4, 0xdfdbc036, 0x8a1b928, 0xdfe69eb4,
+  0x89b6cbf, 0xdff17e70, 0x8952278, 0xdffc5f67,
+  0x88eda54, 0xe007419b, 0x8889454, 0xe012250a,
+  0x8825077, 0xe01d09b4, 0x87c0ebd, 0xe027ef99,
+  0x875cf28, 0xe032d6b8, 0x86f91b7, 0xe03dbf11,
+  0x869566a, 0xe048a8a4, 0x8631d42, 0xe053936f,
+  0x85ce63e, 0xe05e7f74, 0x856b160, 0xe0696cb0,
+  0x8507ea7, 0xe0745b24, 0x84a4e14, 0xe07f4acf,
+  0x8441fa6, 0xe08a3bb2, 0x83df35f, 0xe0952dcb,
+  0x837c93e, 0xe0a0211a, 0x831a143, 0xe0ab159e,
+  0x82b7b70, 0xe0b60b58, 0x82557c3, 0xe0c10247,
+  0x81f363d, 0xe0cbfa6a, 0x81916df, 0xe0d6f3c1,
+  0x812f9a9, 0xe0e1ee4b, 0x80cde9b, 0xe0ecea09,
+  0x806c5b5, 0xe0f7e6f9, 0x800aef7, 0xe102e51c,
+  0x7fa9a62, 0xe10de470, 0x7f487f6, 0xe118e4f6,
+  0x7ee77b3, 0xe123e6ad, 0x7e8699a, 0xe12ee995,
+  0x7e25daa, 0xe139edac, 0x7dc53e3, 0xe144f2f3,
+  0x7d64c47, 0xe14ff96a, 0x7d046d6, 0xe15b0110,
+  0x7ca438f, 0xe16609e3, 0x7c44272, 0xe17113e5,
+  0x7be4381, 0xe17c1f15, 0x7b846ba, 0xe1872b72,
+  0x7b24c20, 0xe19238fb, 0x7ac53b1, 0xe19d47b1,
+  0x7a65d6e, 0xe1a85793, 0x7a06957, 0xe1b368a0,
+  0x79a776c, 0xe1be7ad8, 0x79487ae, 0xe1c98e3b,
+  0x78e9a1d, 0xe1d4a2c8, 0x788aeb9, 0xe1dfb87f,
+  0x782c582, 0xe1eacf5f, 0x77cde79, 0xe1f5e768,
+  0x776f99d, 0xe2010099, 0x77116f0, 0xe20c1af3,
+  0x76b3671, 0xe2173674, 0x7655820, 0xe222531c,
+  0x75f7bfe, 0xe22d70eb, 0x759a20a, 0xe2388fe1,
+  0x753ca46, 0xe243affc, 0x74df4b1, 0xe24ed13d,
+  0x748214c, 0xe259f3a3, 0x7425016, 0xe265172e,
+  0x73c8111, 0xe2703bdc, 0x736b43c, 0xe27b61af,
+  0x730e997, 0xe28688a4, 0x72b2123, 0xe291b0bd,
+  0x7255ae0, 0xe29cd9f8, 0x71f96ce, 0xe2a80456,
+  0x719d4ed, 0xe2b32fd4, 0x714153e, 0xe2be5c74,
+  0x70e57c0, 0xe2c98a35, 0x7089c75, 0xe2d4b916,
+  0x702e35c, 0xe2dfe917, 0x6fd2c75, 0xe2eb1a37,
+  0x6f777c1, 0xe2f64c77, 0x6f1c540, 0xe3017fd5,
+  0x6ec14f2, 0xe30cb451, 0x6e666d7, 0xe317e9eb,
+  0x6e0baf0, 0xe32320a2, 0x6db113d, 0xe32e5876,
+  0x6d569be, 0xe3399167, 0x6cfc472, 0xe344cb73,
+  0x6ca215c, 0xe350069b, 0x6c4807a, 0xe35b42df,
+  0x6bee1cd, 0xe366803c, 0x6b94554, 0xe371beb5,
+  0x6b3ab12, 0xe37cfe47, 0x6ae1304, 0xe3883ef2,
+  0x6a87d2d, 0xe39380b6, 0x6a2e98b, 0xe39ec393,
+  0x69d5820, 0xe3aa0788, 0x697c8eb, 0xe3b54c95,
+  0x6923bec, 0xe3c092b9, 0x68cb124, 0xe3cbd9f4,
+  0x6872894, 0xe3d72245, 0x681a23a, 0xe3e26bac,
+  0x67c1e18, 0xe3edb628, 0x6769c2e, 0xe3f901ba,
+  0x6711c7b, 0xe4044e60, 0x66b9f01, 0xe40f9c1a,
+  0x66623be, 0xe41aeae8, 0x660aab5, 0xe4263ac9,
+  0x65b33e4, 0xe4318bbe, 0x655bf4c, 0xe43cddc4,
+  0x6504ced, 0xe44830dd, 0x64adcc7, 0xe4538507,
+  0x6456edb, 0xe45eda43, 0x6400329, 0xe46a308f,
+  0x63a99b1, 0xe47587eb, 0x6353273, 0xe480e057,
+  0x62fcd6f, 0xe48c39d3, 0x62a6aa6, 0xe497945d,
+  0x6250a18, 0xe4a2eff6, 0x61fabc4, 0xe4ae4c9d,
+  0x61a4fac, 0xe4b9aa52, 0x614f5cf, 0xe4c50914,
+  0x60f9e2e, 0xe4d068e2, 0x60a48c9, 0xe4dbc9bd,
+  0x604f5a0, 0xe4e72ba4, 0x5ffa4b3, 0xe4f28e96,
+  0x5fa5603, 0xe4fdf294, 0x5f5098f, 0xe509579b,
+  0x5efbf58, 0xe514bdad, 0x5ea775e, 0xe52024c9,
+  0x5e531a1, 0xe52b8cee, 0x5dfee22, 0xe536f61b,
+  0x5daace1, 0xe5426051, 0x5d56ddd, 0xe54dcb8f,
+  0x5d03118, 0xe55937d5, 0x5caf690, 0xe564a521,
+  0x5c5be47, 0xe5701374, 0x5c0883d, 0xe57b82cd,
+  0x5bb5472, 0xe586f32c, 0x5b622e6, 0xe5926490,
+  0x5b0f399, 0xe59dd6f9, 0x5abc68c, 0xe5a94a67,
+  0x5a69bbe, 0xe5b4bed8, 0x5a17330, 0xe5c0344d,
+  0x59c4ce3, 0xe5cbaac5, 0x59728d5, 0xe5d72240,
+  0x5920708, 0xe5e29abc, 0x58ce77c, 0xe5ee143b,
+  0x587ca31, 0xe5f98ebb, 0x582af26, 0xe6050a3b,
+  0x57d965d, 0xe61086bc, 0x5787fd6, 0xe61c043d,
+  0x5736b90, 0xe62782be, 0x56e598c, 0xe633023e,
+  0x56949ca, 0xe63e82bc, 0x5643c4a, 0xe64a0438,
+  0x55f310d, 0xe65586b3, 0x55a2812, 0xe6610a2a,
+  0x555215a, 0xe66c8e9f, 0x5501ce5, 0xe6781410,
+  0x54b1ab4, 0xe6839a7c, 0x5461ac6, 0xe68f21e5,
+  0x5411d1b, 0xe69aaa48, 0x53c21b4, 0xe6a633a6,
+  0x5372891, 0xe6b1bdff, 0x53231b3, 0xe6bd4951,
+  0x52d3d18, 0xe6c8d59c, 0x5284ac3, 0xe6d462e1,
+  0x5235ab2, 0xe6dff11d, 0x51e6ce6, 0xe6eb8052,
+  0x519815f, 0xe6f7107e, 0x514981d, 0xe702a1a1,
+  0x50fb121, 0xe70e33bb, 0x50acc6b, 0xe719c6cb,
+  0x505e9fb, 0xe7255ad1, 0x50109d0, 0xe730efcc,
+  0x4fc2bec, 0xe73c85bc, 0x4f7504e, 0xe7481ca1,
+  0x4f276f7, 0xe753b479, 0x4ed9fe7, 0xe75f4d45,
+  0x4e8cb1e, 0xe76ae704, 0x4e3f89c, 0xe77681b6,
+  0x4df2862, 0xe7821d59, 0x4da5a6f, 0xe78db9ef,
+  0x4d58ec3, 0xe7995776, 0x4d0c560, 0xe7a4f5ed,
+  0x4cbfe45, 0xe7b09555, 0x4c73972, 0xe7bc35ad,
+  0x4c276e8, 0xe7c7d6f4, 0x4bdb6a6, 0xe7d3792b,
+  0x4b8f8ad, 0xe7df1c50, 0x4b43cfd, 0xe7eac063,
+  0x4af8397, 0xe7f66564, 0x4aacc7a, 0xe8020b52,
+  0x4a617a6, 0xe80db22d, 0x4a1651c, 0xe81959f4,
+  0x49cb4dd, 0xe82502a7, 0x49806e7, 0xe830ac45,
+  0x4935b3c, 0xe83c56cf, 0x48eb1db, 0xe8480243,
+  0x48a0ac4, 0xe853aea1, 0x48565f9, 0xe85f5be9,
+  0x480c379, 0xe86b0a1a, 0x47c2344, 0xe876b934,
+  0x477855a, 0xe8826936, 0x472e9bc, 0xe88e1a20,
+  0x46e5069, 0xe899cbf1, 0x469b963, 0xe8a57ea9,
+  0x46524a9, 0xe8b13248, 0x460923b, 0xe8bce6cd,
+  0x45c0219, 0xe8c89c37, 0x4577444, 0xe8d45286,
+  0x452e8bc, 0xe8e009ba, 0x44e5f80, 0xe8ebc1d3,
+  0x449d892, 0xe8f77acf, 0x44553f2, 0xe90334af,
+  0x440d19e, 0xe90eef71, 0x43c5199, 0xe91aab16,
+  0x437d3e1, 0xe926679c, 0x4335877, 0xe9322505,
+  0x42edf5c, 0xe93de34e, 0x42a688f, 0xe949a278,
+  0x425f410, 0xe9556282, 0x42181e0, 0xe961236c,
+  0x41d11ff, 0xe96ce535, 0x418a46d, 0xe978a7dd,
+  0x414392b, 0xe9846b63, 0x40fd037, 0xe9902fc7,
+  0x40b6994, 0xe99bf509, 0x4070540, 0xe9a7bb28,
+  0x402a33c, 0xe9b38223, 0x3fe4388, 0xe9bf49fa,
+  0x3f9e624, 0xe9cb12ad, 0x3f58b10, 0xe9d6dc3b,
+  0x3f1324e, 0xe9e2a6a3, 0x3ecdbdc, 0xe9ee71e6,
+  0x3e887bb, 0xe9fa3e03, 0x3e435ea, 0xea060af9,
+  0x3dfe66c, 0xea11d8c8, 0x3db993e, 0xea1da770,
+  0x3d74e62, 0xea2976ef, 0x3d305d8, 0xea354746,
+  0x3cebfa0, 0xea411874, 0x3ca7bba, 0xea4cea79,
+  0x3c63a26, 0xea58bd54, 0x3c1fae5, 0xea649105,
+  0x3bdbdf6, 0xea70658a, 0x3b9835a, 0xea7c3ae5,
+  0x3b54b11, 0xea881114, 0x3b1151b, 0xea93e817,
+  0x3ace178, 0xea9fbfed, 0x3a8b028, 0xeaab9896,
+  0x3a4812c, 0xeab77212, 0x3a05484, 0xeac34c60,
+  0x39c2a2f, 0xeacf277f, 0x398022f, 0xeadb0370,
+  0x393dc82, 0xeae6e031, 0x38fb92a, 0xeaf2bdc3,
+  0x38b9827, 0xeafe9c24, 0x3877978, 0xeb0a7b54,
+  0x3835d1e, 0xeb165b54, 0x37f4319, 0xeb223c22,
+  0x37b2b6a, 0xeb2e1dbe, 0x377160f, 0xeb3a0027,
+  0x373030a, 0xeb45e35d, 0x36ef25b, 0xeb51c760,
+  0x36ae401, 0xeb5dac2f, 0x366d7fd, 0xeb6991ca,
+  0x362ce50, 0xeb75782f, 0x35ec6f8, 0xeb815f60,
+  0x35ac1f7, 0xeb8d475b, 0x356bf4d, 0xeb99301f,
+  0x352bef9, 0xeba519ad, 0x34ec0fc, 0xebb10404,
+  0x34ac556, 0xebbcef23, 0x346cc07, 0xebc8db0b,
+  0x342d510, 0xebd4c7ba, 0x33ee070, 0xebe0b52f,
+  0x33aee27, 0xebeca36c, 0x336fe37, 0xebf8926f,
+  0x333109e, 0xec048237, 0x32f255e, 0xec1072c4,
+  0x32b3c75, 0xec1c6417, 0x32755e5, 0xec28562d,
+  0x32371ae, 0xec344908, 0x31f8fcf, 0xec403ca5,
+  0x31bb049, 0xec4c3106, 0x317d31c, 0xec582629,
+  0x313f848, 0xec641c0e, 0x3101fce, 0xec7012b5,
+  0x30c49ad, 0xec7c0a1d, 0x30875e5, 0xec880245,
+  0x304a477, 0xec93fb2e, 0x300d563, 0xec9ff4d6,
+  0x2fd08a9, 0xecabef3d, 0x2f93e4a, 0xecb7ea63,
+  0x2f57644, 0xecc3e648, 0x2f1b099, 0xeccfe2ea,
+  0x2eded49, 0xecdbe04a, 0x2ea2c53, 0xece7de66,
+  0x2e66db8, 0xecf3dd3f, 0x2e2b178, 0xecffdcd4,
+  0x2def794, 0xed0bdd25, 0x2db400a, 0xed17de31,
+  0x2d78add, 0xed23dff7, 0x2d3d80a, 0xed2fe277,
+  0x2d02794, 0xed3be5b1, 0x2cc7979, 0xed47e9a5,
+  0x2c8cdbb, 0xed53ee51, 0x2c52459, 0xed5ff3b5,
+  0x2c17d52, 0xed6bf9d1, 0x2bdd8a9, 0xed7800a5,
+  0x2ba365c, 0xed84082f, 0x2b6966c, 0xed901070,
+  0x2b2f8d8, 0xed9c1967, 0x2af5da2, 0xeda82313,
+  0x2abc4c9, 0xedb42d74, 0x2a82e4d, 0xedc0388a,
+  0x2a49a2e, 0xedcc4454, 0x2a1086d, 0xedd850d2,
+  0x29d790a, 0xede45e03, 0x299ec05, 0xedf06be6,
+  0x296615d, 0xedfc7a7c, 0x292d914, 0xee0889c4,
+  0x28f5329, 0xee1499bd, 0x28bcf9c, 0xee20aa67,
+  0x2884e6e, 0xee2cbbc1, 0x284cf9f, 0xee38cdcb,
+  0x281532e, 0xee44e084, 0x27dd91c, 0xee50f3ed,
+  0x27a616a, 0xee5d0804, 0x276ec16, 0xee691cc9,
+  0x2737922, 0xee75323c, 0x270088e, 0xee81485c,
+  0x26c9a58, 0xee8d5f29, 0x2692e83, 0xee9976a1,
+  0x265c50e, 0xeea58ec6, 0x2625df8, 0xeeb1a796,
+  0x25ef943, 0xeebdc110, 0x25b96ee, 0xeec9db35,
+  0x25836f9, 0xeed5f604, 0x254d965, 0xeee2117c,
+  0x2517e31, 0xeeee2d9d, 0x24e255e, 0xeefa4a67,
+  0x24aceed, 0xef0667d9, 0x2477adc, 0xef1285f2,
+  0x244292c, 0xef1ea4b2, 0x240d9de, 0xef2ac419,
+  0x23d8cf1, 0xef36e426, 0x23a4265, 0xef4304d8,
+  0x236fa3b, 0xef4f2630, 0x233b473, 0xef5b482d,
+  0x230710d, 0xef676ace, 0x22d3009, 0xef738e12,
+  0x229f167, 0xef7fb1fa, 0x226b528, 0xef8bd685,
+  0x2237b4b, 0xef97fbb2, 0x22043d0, 0xefa42181,
+  0x21d0eb8, 0xefb047f2, 0x219dc03, 0xefbc6f03,
+  0x216abb1, 0xefc896b5, 0x2137dc2, 0xefd4bf08,
+  0x2105236, 0xefe0e7f9, 0x20d290d, 0xefed118a,
+  0x20a0248, 0xeff93bba, 0x206dde6, 0xf0056687,
+  0x203bbe8, 0xf01191f3, 0x2009c4e, 0xf01dbdfb,
+  0x1fd7f17, 0xf029eaa1, 0x1fa6445, 0xf03617e2,
+  0x1f74bd6, 0xf04245c0, 0x1f435cc, 0xf04e7438,
+  0x1f12227, 0xf05aa34c, 0x1ee10e5, 0xf066d2fa,
+  0x1eb0209, 0xf0730342, 0x1e7f591, 0xf07f3424,
+  0x1e4eb7e, 0xf08b659f, 0x1e1e3d0, 0xf09797b2,
+  0x1dede87, 0xf0a3ca5d, 0x1dbdba3, 0xf0affda0,
+  0x1d8db25, 0xf0bc317a, 0x1d5dd0c, 0xf0c865ea,
+  0x1d2e158, 0xf0d49af1, 0x1cfe80a, 0xf0e0d08d,
+  0x1ccf122, 0xf0ed06bf, 0x1c9fca0, 0xf0f93d86,
+  0x1c70a84, 0xf10574e0, 0x1c41ace, 0xf111accf,
+  0x1c12d7e, 0xf11de551, 0x1be4294, 0xf12a1e66,
+  0x1bb5a11, 0xf136580d, 0x1b873f5, 0xf1429247,
+  0x1b5903f, 0xf14ecd11, 0x1b2aef0, 0xf15b086d,
+  0x1afd007, 0xf1674459, 0x1acf386, 0xf17380d6,
+  0x1aa196c, 0xf17fbde2, 0x1a741b9, 0xf18bfb7d,
+  0x1a46c6e, 0xf19839a6, 0x1a1998a, 0xf1a4785e,
+  0x19ec90d, 0xf1b0b7a4, 0x19bfaf9, 0xf1bcf777,
+  0x1992f4c, 0xf1c937d6, 0x1966606, 0xf1d578c2,
+  0x1939f29, 0xf1e1ba3a, 0x190dab4, 0xf1edfc3d,
+  0x18e18a7, 0xf1fa3ecb, 0x18b5903, 0xf20681e3,
+  0x1889bc6, 0xf212c585, 0x185e0f3, 0xf21f09b1,
+  0x1832888, 0xf22b4e66, 0x1807285, 0xf23793a3,
+  0x17dbeec, 0xf243d968, 0x17b0dbb, 0xf2501fb5,
+  0x1785ef4, 0xf25c6688, 0x175b296, 0xf268ade3,
+  0x17308a1, 0xf274f5c3, 0x1706115, 0xf2813e2a,
+  0x16dbbf3, 0xf28d8715, 0x16b193a, 0xf299d085,
+  0x16878eb, 0xf2a61a7a, 0x165db05, 0xf2b264f2,
+  0x1633f8a, 0xf2beafed, 0x160a678, 0xf2cafb6b,
+  0x15e0fd1, 0xf2d7476c, 0x15b7b94, 0xf2e393ef,
+  0x158e9c1, 0xf2efe0f2, 0x1565a58, 0xf2fc2e77,
+  0x153cd5a, 0xf3087c7d, 0x15142c6, 0xf314cb02,
+  0x14eba9d, 0xf3211a07, 0x14c34df, 0xf32d698a,
+  0x149b18b, 0xf339b98d, 0x14730a3, 0xf3460a0d,
+  0x144b225, 0xf3525b0b, 0x1423613, 0xf35eac86,
+  0x13fbc6c, 0xf36afe7e, 0x13d4530, 0xf37750f2,
+  0x13ad060, 0xf383a3e2, 0x1385dfb, 0xf38ff74d,
+  0x135ee02, 0xf39c4b32, 0x1338075, 0xf3a89f92,
+  0x1311553, 0xf3b4f46c, 0x12eac9d, 0xf3c149bf,
+  0x12c4653, 0xf3cd9f8b, 0x129e276, 0xf3d9f5cf,
+  0x1278104, 0xf3e64c8c, 0x12521ff, 0xf3f2a3bf,
+  0x122c566, 0xf3fefb6a, 0x1206b39, 0xf40b538b,
+  0x11e1379, 0xf417ac22, 0x11bbe26, 0xf424052f,
+  0x1196b3f, 0xf4305eb0, 0x1171ac6, 0xf43cb8a7,
+  0x114ccb9, 0xf4491311, 0x1128119, 0xf4556def,
+  0x11037e6, 0xf461c940, 0x10df120, 0xf46e2504,
+  0x10bacc8, 0xf47a8139, 0x1096add, 0xf486dde1,
+  0x1072b5f, 0xf4933afa, 0x104ee4f, 0xf49f9884,
+  0x102b3ac, 0xf4abf67e, 0x1007b77, 0xf4b854e7,
+  0xfe45b0, 0xf4c4b3c0, 0xfc1257, 0xf4d11308,
+  0xf9e16b, 0xf4dd72be, 0xf7b2ee, 0xf4e9d2e3,
+  0xf586df, 0xf4f63374, 0xf35d3e, 0xf5029473,
+  0xf1360b, 0xf50ef5de, 0xef1147, 0xf51b57b5,
+  0xeceef1, 0xf527b9f7, 0xeacf09, 0xf5341ca5,
+  0xe8b190, 0xf5407fbd, 0xe69686, 0xf54ce33f,
+  0xe47deb, 0xf559472b, 0xe267be, 0xf565ab80,
+  0xe05401, 0xf572103d, 0xde42b2, 0xf57e7563,
+  0xdc33d2, 0xf58adaf0, 0xda2762, 0xf59740e5,
+  0xd81d61, 0xf5a3a740, 0xd615cf, 0xf5b00e02,
+  0xd410ad, 0xf5bc7529, 0xd20dfa, 0xf5c8dcb6,
+  0xd00db6, 0xf5d544a7, 0xce0fe3, 0xf5e1acfd,
+  0xcc147f, 0xf5ee15b7, 0xca1b8a, 0xf5fa7ed4,
+  0xc82506, 0xf606e854, 0xc630f2, 0xf6135237,
+  0xc43f4d, 0xf61fbc7b, 0xc25019, 0xf62c2721,
+  0xc06355, 0xf6389228, 0xbe7901, 0xf644fd8f,
+  0xbc911d, 0xf6516956, 0xbaabaa, 0xf65dd57d,
+  0xb8c8a7, 0xf66a4203, 0xb6e815, 0xf676aee8,
+  0xb509f3, 0xf6831c2b, 0xb32e42, 0xf68f89cb,
+  0xb15502, 0xf69bf7c9, 0xaf7e33, 0xf6a86623,
+  0xada9d4, 0xf6b4d4d9, 0xabd7e6, 0xf6c143ec,
+  0xaa086a, 0xf6cdb359, 0xa83b5e, 0xf6da2321,
+  0xa670c4, 0xf6e69344, 0xa4a89b, 0xf6f303c0,
+  0xa2e2e3, 0xf6ff7496, 0xa11f9d, 0xf70be5c4,
+  0x9f5ec8, 0xf718574b, 0x9da065, 0xf724c92a,
+  0x9be473, 0xf7313b60, 0x9a2af3, 0xf73daded,
+  0x9873e4, 0xf74a20d0, 0x96bf48, 0xf756940a,
+  0x950d1d, 0xf7630799, 0x935d64, 0xf76f7b7d,
+  0x91b01d, 0xf77befb5, 0x900548, 0xf7886442,
+  0x8e5ce5, 0xf794d922, 0x8cb6f5, 0xf7a14e55,
+  0x8b1376, 0xf7adc3db, 0x89726a, 0xf7ba39b3,
+  0x87d3d0, 0xf7c6afdc, 0x8637a9, 0xf7d32657,
+  0x849df4, 0xf7df9d22, 0x8306b2, 0xf7ec143e,
+  0x8171e2, 0xf7f88ba9, 0x7fdf85, 0xf8050364,
+  0x7e4f9b, 0xf8117b6d, 0x7cc223, 0xf81df3c5,
+  0x7b371e, 0xf82a6c6a, 0x79ae8c, 0xf836e55d,
+  0x78286e, 0xf8435e9d, 0x76a4c2, 0xf84fd829,
+  0x752389, 0xf85c5201, 0x73a4c3, 0xf868cc24,
+  0x722871, 0xf8754692, 0x70ae92, 0xf881c14b,
+  0x6f3726, 0xf88e3c4d, 0x6dc22e, 0xf89ab799,
+  0x6c4fa8, 0xf8a7332e, 0x6adf97, 0xf8b3af0c,
+  0x6971f9, 0xf8c02b31, 0x6806ce, 0xf8cca79e,
+  0x669e18, 0xf8d92452, 0x6537d4, 0xf8e5a14d,
+  0x63d405, 0xf8f21e8e, 0x6272aa, 0xf8fe9c15,
+  0x6113c2, 0xf90b19e0, 0x5fb74e, 0xf91797f0,
+  0x5e5d4e, 0xf9241645, 0x5d05c3, 0xf93094dd,
+  0x5bb0ab, 0xf93d13b8, 0x5a5e07, 0xf94992d7,
+  0x590dd8, 0xf9561237, 0x57c01d, 0xf96291d9,
+  0x5674d6, 0xf96f11bc, 0x552c03, 0xf97b91e1,
+  0x53e5a5, 0xf9881245, 0x52a1bb, 0xf99492ea,
+  0x516045, 0xf9a113cd, 0x502145, 0xf9ad94f0,
+  0x4ee4b8, 0xf9ba1651, 0x4daaa1, 0xf9c697f0,
+  0x4c72fe, 0xf9d319cc, 0x4b3dcf, 0xf9df9be6,
+  0x4a0b16, 0xf9ec1e3b, 0x48dad1, 0xf9f8a0cd,
+  0x47ad01, 0xfa05239a, 0x4681a6, 0xfa11a6a3,
+  0x4558c0, 0xfa1e29e5, 0x44324f, 0xfa2aad62,
+  0x430e53, 0xfa373119, 0x41eccc, 0xfa43b508,
+  0x40cdba, 0xfa503930, 0x3fb11d, 0xfa5cbd91,
+  0x3e96f6, 0xfa694229, 0x3d7f44, 0xfa75c6f8,
+  0x3c6a07, 0xfa824bfd, 0x3b573f, 0xfa8ed139,
+  0x3a46ed, 0xfa9b56ab, 0x393910, 0xfaa7dc52,
+  0x382da8, 0xfab4622d, 0x3724b6, 0xfac0e83d,
+  0x361e3a, 0xfacd6e81, 0x351a33, 0xfad9f4f8,
+  0x3418a2, 0xfae67ba2, 0x331986, 0xfaf3027e,
+  0x321ce0, 0xfaff898c, 0x3122b0, 0xfb0c10cb,
+  0x302af5, 0xfb18983b, 0x2f35b1, 0xfb251fdc,
+  0x2e42e2, 0xfb31a7ac, 0x2d5289, 0xfb3e2fac,
+  0x2c64a6, 0xfb4ab7db, 0x2b7939, 0xfb574039,
+  0x2a9042, 0xfb63c8c4, 0x29a9c1, 0xfb70517d,
+  0x28c5b6, 0xfb7cda63, 0x27e421, 0xfb896375,
+  0x270502, 0xfb95ecb4, 0x262859, 0xfba2761e,
+  0x254e27, 0xfbaeffb3, 0x24766a, 0xfbbb8973,
+  0x23a124, 0xfbc8135c, 0x22ce54, 0xfbd49d70,
+  0x21fdfb, 0xfbe127ac, 0x213018, 0xfbedb212,
+  0x2064ab, 0xfbfa3c9f, 0x1f9bb5, 0xfc06c754,
+  0x1ed535, 0xfc135231, 0x1e112b, 0xfc1fdd34,
+  0x1d4f99, 0xfc2c685d, 0x1c907c, 0xfc38f3ac,
+  0x1bd3d6, 0xfc457f21, 0x1b19a7, 0xfc520aba,
+  0x1a61ee, 0xfc5e9678, 0x19acac, 0xfc6b2259,
+  0x18f9e1, 0xfc77ae5e, 0x18498c, 0xfc843a85,
+  0x179bae, 0xfc90c6cf, 0x16f047, 0xfc9d533b,
+  0x164757, 0xfca9dfc8, 0x15a0dd, 0xfcb66c77,
+  0x14fcda, 0xfcc2f945, 0x145b4e, 0xfccf8634,
+  0x13bc39, 0xfcdc1342, 0x131f9b, 0xfce8a06f,
+  0x128574, 0xfcf52dbb, 0x11edc3, 0xfd01bb24,
+  0x11588a, 0xfd0e48ab, 0x10c5c7, 0xfd1ad650,
+  0x10357c, 0xfd276410, 0xfa7a8, 0xfd33f1ed,
+  0xf1c4a, 0xfd407fe6, 0xe9364, 0xfd4d0df9,
+  0xe0cf5, 0xfd599c28, 0xd88fd, 0xfd662a70,
+  0xd077c, 0xfd72b8d2, 0xc8872, 0xfd7f474d,
+  0xc0be0, 0xfd8bd5e1, 0xb91c4, 0xfd98648d,
+  0xb1a20, 0xfda4f351, 0xaa4f3, 0xfdb1822c,
+  0xa323d, 0xfdbe111e, 0x9c1ff, 0xfdcaa027,
+  0x95438, 0xfdd72f45, 0x8e8e8, 0xfde3be78,
+  0x8800f, 0xfdf04dc0, 0x819ae, 0xfdfcdd1d,
+  0x7b5c4, 0xfe096c8d, 0x75452, 0xfe15fc11,
+  0x6f556, 0xfe228ba7, 0x698d3, 0xfe2f1b50,
+  0x63ec6, 0xfe3bab0b, 0x5e731, 0xfe483ad8,
+  0x59214, 0xfe54cab5, 0x53f6e, 0xfe615aa3,
+  0x4ef3f, 0xfe6deaa1, 0x4a188, 0xfe7a7aae,
+  0x45648, 0xfe870aca, 0x40d80, 0xfe939af5,
+  0x3c72f, 0xfea02b2e, 0x38356, 0xfeacbb74,
+  0x341f4, 0xfeb94bc8, 0x3030a, 0xfec5dc28,
+  0x2c697, 0xfed26c94, 0x28c9c, 0xfedefd0c,
+  0x25519, 0xfeeb8d8f, 0x2200d, 0xfef81e1d,
+  0x1ed78, 0xff04aeb5, 0x1bd5c, 0xff113f56,
+  0x18fb6, 0xff1dd001, 0x16489, 0xff2a60b4,
+  0x13bd3, 0xff36f170, 0x11594, 0xff438234,
+  0xf1ce, 0xff5012fe, 0xd07e, 0xff5ca3d0,
+  0xb1a7, 0xff6934a8, 0x9547, 0xff75c585,
+  0x7b5f, 0xff825668, 0x63ee, 0xff8ee750,
+  0x4ef5, 0xff9b783c, 0x3c74, 0xffa8092c,
+  0x2c6a, 0xffb49a1f, 0x1ed8, 0xffc12b16,
+  0x13bd, 0xffcdbc0f, 0xb1a, 0xffda4d09,
+  0x4ef, 0xffe6de05, 0x13c, 0xfff36f02,
+  0x0, 0x0, 0x13c, 0xc90fe,
+  0x4ef, 0x1921fb, 0xb1a, 0x25b2f7,
+  0x13bd, 0x3243f1, 0x1ed8, 0x3ed4ea,
+  0x2c6a, 0x4b65e1, 0x3c74, 0x57f6d4,
+  0x4ef5, 0x6487c4, 0x63ee, 0x7118b0,
+  0x7b5f, 0x7da998, 0x9547, 0x8a3a7b,
+  0xb1a7, 0x96cb58, 0xd07e, 0xa35c30,
+  0xf1ce, 0xafed02, 0x11594, 0xbc7dcc,
+  0x13bd3, 0xc90e90, 0x16489, 0xd59f4c,
+  0x18fb6, 0xe22fff, 0x1bd5c, 0xeec0aa,
+  0x1ed78, 0xfb514b, 0x2200d, 0x107e1e3,
+  0x25519, 0x1147271, 0x28c9c, 0x12102f4,
+  0x2c697, 0x12d936c, 0x3030a, 0x13a23d8,
+  0x341f4, 0x146b438, 0x38356, 0x153448c,
+  0x3c72f, 0x15fd4d2, 0x40d80, 0x16c650b,
+  0x45648, 0x178f536, 0x4a188, 0x1858552,
+  0x4ef3f, 0x192155f, 0x53f6e, 0x19ea55d,
+  0x59214, 0x1ab354b, 0x5e731, 0x1b7c528,
+  0x63ec6, 0x1c454f5, 0x698d3, 0x1d0e4b0,
+  0x6f556, 0x1dd7459, 0x75452, 0x1ea03ef,
+  0x7b5c4, 0x1f69373, 0x819ae, 0x20322e3,
+  0x8800f, 0x20fb240, 0x8e8e8, 0x21c4188,
+  0x95438, 0x228d0bb, 0x9c1ff, 0x2355fd9,
+  0xa323d, 0x241eee2, 0xaa4f3, 0x24e7dd4,
+  0xb1a20, 0x25b0caf, 0xb91c4, 0x2679b73,
+  0xc0be0, 0x2742a1f, 0xc8872, 0x280b8b3,
+  0xd077c, 0x28d472e, 0xd88fd, 0x299d590,
+  0xe0cf5, 0x2a663d8, 0xe9364, 0x2b2f207,
+  0xf1c4a, 0x2bf801a, 0xfa7a8, 0x2cc0e13,
+  0x10357c, 0x2d89bf0, 0x10c5c7, 0x2e529b0,
+  0x11588a, 0x2f1b755, 0x11edc3, 0x2fe44dc,
+  0x128574, 0x30ad245, 0x131f9b, 0x3175f91,
+  0x13bc39, 0x323ecbe, 0x145b4e, 0x33079cc,
+  0x14fcda, 0x33d06bb, 0x15a0dd, 0x3499389,
+  0x164757, 0x3562038, 0x16f047, 0x362acc5,
+  0x179bae, 0x36f3931, 0x18498c, 0x37bc57b,
+  0x18f9e1, 0x38851a2, 0x19acac, 0x394dda7,
+  0x1a61ee, 0x3a16988, 0x1b19a7, 0x3adf546,
+  0x1bd3d6, 0x3ba80df, 0x1c907c, 0x3c70c54,
+  0x1d4f99, 0x3d397a3, 0x1e112b, 0x3e022cc,
+  0x1ed535, 0x3ecadcf, 0x1f9bb5, 0x3f938ac,
+  0x2064ab, 0x405c361, 0x213018, 0x4124dee,
+  0x21fdfb, 0x41ed854, 0x22ce54, 0x42b6290,
+  0x23a124, 0x437eca4, 0x24766a, 0x444768d,
+  0x254e27, 0x451004d, 0x262859, 0x45d89e2,
+  0x270502, 0x46a134c, 0x27e421, 0x4769c8b,
+  0x28c5b6, 0x483259d, 0x29a9c1, 0x48fae83,
+  0x2a9042, 0x49c373c, 0x2b7939, 0x4a8bfc7,
+  0x2c64a6, 0x4b54825, 0x2d5289, 0x4c1d054,
+  0x2e42e2, 0x4ce5854, 0x2f35b1, 0x4dae024,
+  0x302af5, 0x4e767c5, 0x3122b0, 0x4f3ef35,
+  0x321ce0, 0x5007674, 0x331986, 0x50cfd82,
+  0x3418a2, 0x519845e, 0x351a33, 0x5260b08,
+  0x361e3a, 0x532917f, 0x3724b6, 0x53f17c3,
+  0x382da8, 0x54b9dd3, 0x393910, 0x55823ae,
+  0x3a46ed, 0x564a955, 0x3b573f, 0x5712ec7,
+  0x3c6a07, 0x57db403, 0x3d7f44, 0x58a3908,
+  0x3e96f6, 0x596bdd7, 0x3fb11d, 0x5a3426f,
+  0x40cdba, 0x5afc6d0, 0x41eccc, 0x5bc4af8,
+  0x430e53, 0x5c8cee7, 0x44324f, 0x5d5529e,
+  0x4558c0, 0x5e1d61b, 0x4681a6, 0x5ee595d,
+  0x47ad01, 0x5fadc66, 0x48dad1, 0x6075f33,
+  0x4a0b16, 0x613e1c5, 0x4b3dcf, 0x620641a,
+  0x4c72fe, 0x62ce634, 0x4daaa1, 0x6396810,
+  0x4ee4b8, 0x645e9af, 0x502145, 0x6526b10,
+  0x516045, 0x65eec33, 0x52a1bb, 0x66b6d16,
+  0x53e5a5, 0x677edbb, 0x552c03, 0x6846e1f,
+  0x5674d6, 0x690ee44, 0x57c01d, 0x69d6e27,
+  0x590dd8, 0x6a9edc9, 0x5a5e07, 0x6b66d29,
+  0x5bb0ab, 0x6c2ec48, 0x5d05c3, 0x6cf6b23,
+  0x5e5d4e, 0x6dbe9bb, 0x5fb74e, 0x6e86810,
+  0x6113c2, 0x6f4e620, 0x6272aa, 0x70163eb,
+  0x63d405, 0x70de172, 0x6537d4, 0x71a5eb3,
+  0x669e18, 0x726dbae, 0x6806ce, 0x7335862,
+  0x6971f9, 0x73fd4cf, 0x6adf97, 0x74c50f4,
+  0x6c4fa8, 0x758ccd2, 0x6dc22e, 0x7654867,
+  0x6f3726, 0x771c3b3, 0x70ae92, 0x77e3eb5,
+  0x722871, 0x78ab96e, 0x73a4c3, 0x79733dc,
+  0x752389, 0x7a3adff, 0x76a4c2, 0x7b027d7,
+  0x78286e, 0x7bca163, 0x79ae8c, 0x7c91aa3,
+  0x7b371e, 0x7d59396, 0x7cc223, 0x7e20c3b,
+  0x7e4f9b, 0x7ee8493, 0x7fdf85, 0x7fafc9c,
+  0x8171e2, 0x8077457, 0x8306b2, 0x813ebc2,
+  0x849df4, 0x82062de, 0x8637a9, 0x82cd9a9,
+  0x87d3d0, 0x8395024, 0x89726a, 0x845c64d,
+  0x8b1376, 0x8523c25, 0x8cb6f5, 0x85eb1ab,
+  0x8e5ce5, 0x86b26de, 0x900548, 0x8779bbe,
+  0x91b01d, 0x884104b, 0x935d64, 0x8908483,
+  0x950d1d, 0x89cf867, 0x96bf48, 0x8a96bf6,
+  0x9873e4, 0x8b5df30, 0x9a2af3, 0x8c25213,
+  0x9be473, 0x8cec4a0, 0x9da065, 0x8db36d6,
+  0x9f5ec8, 0x8e7a8b5, 0xa11f9d, 0x8f41a3c,
+  0xa2e2e3, 0x9008b6a, 0xa4a89b, 0x90cfc40,
+  0xa670c4, 0x9196cbc, 0xa83b5e, 0x925dcdf,
+  0xaa086a, 0x9324ca7, 0xabd7e6, 0x93ebc14,
+  0xada9d4, 0x94b2b27, 0xaf7e33, 0x95799dd,
+  0xb15502, 0x9640837, 0xb32e42, 0x9707635,
+  0xb509f3, 0x97ce3d5, 0xb6e815, 0x9895118,
+  0xb8c8a7, 0x995bdfd, 0xbaabaa, 0x9a22a83,
+  0xbc911d, 0x9ae96aa, 0xbe7901, 0x9bb0271,
+  0xc06355, 0x9c76dd8, 0xc25019, 0x9d3d8df,
+  0xc43f4d, 0x9e04385, 0xc630f2, 0x9ecadc9,
+  0xc82506, 0x9f917ac, 0xca1b8a, 0xa05812c,
+  0xcc147f, 0xa11ea49, 0xce0fe3, 0xa1e5303,
+  0xd00db6, 0xa2abb59, 0xd20dfa, 0xa37234a,
+  0xd410ad, 0xa438ad7, 0xd615cf, 0xa4ff1fe,
+  0xd81d61, 0xa5c58c0, 0xda2762, 0xa68bf1b,
+  0xdc33d2, 0xa752510, 0xde42b2, 0xa818a9d,
+  0xe05401, 0xa8defc3, 0xe267be, 0xa9a5480,
+  0xe47deb, 0xaa6b8d5, 0xe69686, 0xab31cc1,
+  0xe8b190, 0xabf8043, 0xeacf09, 0xacbe35b,
+  0xeceef1, 0xad84609, 0xef1147, 0xae4a84b,
+  0xf1360b, 0xaf10a22, 0xf35d3e, 0xafd6b8d,
+  0xf586df, 0xb09cc8c, 0xf7b2ee, 0xb162d1d,
+  0xf9e16b, 0xb228d42, 0xfc1257, 0xb2eecf8,
+  0xfe45b0, 0xb3b4c40, 0x1007b77, 0xb47ab19,
+  0x102b3ac, 0xb540982, 0x104ee4f, 0xb60677c,
+  0x1072b5f, 0xb6cc506, 0x1096add, 0xb79221f,
+  0x10bacc8, 0xb857ec7, 0x10df120, 0xb91dafc,
+  0x11037e6, 0xb9e36c0, 0x1128119, 0xbaa9211,
+  0x114ccb9, 0xbb6ecef, 0x1171ac6, 0xbc34759,
+  0x1196b3f, 0xbcfa150, 0x11bbe26, 0xbdbfad1,
+  0x11e1379, 0xbe853de, 0x1206b39, 0xbf4ac75,
+  0x122c566, 0xc010496, 0x12521ff, 0xc0d5c41,
+  0x1278104, 0xc19b374, 0x129e276, 0xc260a31,
+  0x12c4653, 0xc326075, 0x12eac9d, 0xc3eb641,
+  0x1311553, 0xc4b0b94, 0x1338075, 0xc57606e,
+  0x135ee02, 0xc63b4ce, 0x1385dfb, 0xc7008b3,
+  0x13ad060, 0xc7c5c1e, 0x13d4530, 0xc88af0e,
+  0x13fbc6c, 0xc950182, 0x1423613, 0xca1537a,
+  0x144b225, 0xcada4f5, 0x14730a3, 0xcb9f5f3,
+  0x149b18b, 0xcc64673, 0x14c34df, 0xcd29676,
+  0x14eba9d, 0xcdee5f9, 0x15142c6, 0xceb34fe,
+  0x153cd5a, 0xcf78383, 0x1565a58, 0xd03d189,
+  0x158e9c1, 0xd101f0e, 0x15b7b94, 0xd1c6c11,
+  0x15e0fd1, 0xd28b894, 0x160a678, 0xd350495,
+  0x1633f8a, 0xd415013, 0x165db05, 0xd4d9b0e,
+  0x16878eb, 0xd59e586, 0x16b193a, 0xd662f7b,
+  0x16dbbf3, 0xd7278eb, 0x1706115, 0xd7ec1d6,
+  0x17308a1, 0xd8b0a3d, 0x175b296, 0xd97521d,
+  0x1785ef4, 0xda39978, 0x17b0dbb, 0xdafe04b,
+  0x17dbeec, 0xdbc2698, 0x1807285, 0xdc86c5d,
+  0x1832888, 0xdd4b19a, 0x185e0f3, 0xde0f64f,
+  0x1889bc6, 0xded3a7b, 0x18b5903, 0xdf97e1d,
+  0x18e18a7, 0xe05c135, 0x190dab4, 0xe1203c3,
+  0x1939f29, 0xe1e45c6, 0x1966606, 0xe2a873e,
+  0x1992f4c, 0xe36c82a, 0x19bfaf9, 0xe430889,
+  0x19ec90d, 0xe4f485c, 0x1a1998a, 0xe5b87a2,
+  0x1a46c6e, 0xe67c65a, 0x1a741b9, 0xe740483,
+  0x1aa196c, 0xe80421e, 0x1acf386, 0xe8c7f2a,
+  0x1afd007, 0xe98bba7, 0x1b2aef0, 0xea4f793,
+  0x1b5903f, 0xeb132ef, 0x1b873f5, 0xebd6db9,
+  0x1bb5a11, 0xec9a7f3, 0x1be4294, 0xed5e19a,
+  0x1c12d7e, 0xee21aaf, 0x1c41ace, 0xeee5331,
+  0x1c70a84, 0xefa8b20, 0x1c9fca0, 0xf06c27a,
+  0x1ccf122, 0xf12f941, 0x1cfe80a, 0xf1f2f73,
+  0x1d2e158, 0xf2b650f, 0x1d5dd0c, 0xf379a16,
+  0x1d8db25, 0xf43ce86, 0x1dbdba3, 0xf500260,
+  0x1dede87, 0xf5c35a3, 0x1e1e3d0, 0xf68684e,
+  0x1e4eb7e, 0xf749a61, 0x1e7f591, 0xf80cbdc,
+  0x1eb0209, 0xf8cfcbe, 0x1ee10e5, 0xf992d06,
+  0x1f12227, 0xfa55cb4, 0x1f435cc, 0xfb18bc8,
+  0x1f74bd6, 0xfbdba40, 0x1fa6445, 0xfc9e81e,
+  0x1fd7f17, 0xfd6155f, 0x2009c4e, 0xfe24205,
+  0x203bbe8, 0xfee6e0d, 0x206dde6, 0xffa9979,
+  0x20a0248, 0x1006c446, 0x20d290d, 0x1012ee76,
+  0x2105236, 0x101f1807, 0x2137dc2, 0x102b40f8,
+  0x216abb1, 0x1037694b, 0x219dc03, 0x104390fd,
+  0x21d0eb8, 0x104fb80e, 0x22043d0, 0x105bde7f,
+  0x2237b4b, 0x1068044e, 0x226b528, 0x1074297b,
+  0x229f167, 0x10804e06, 0x22d3009, 0x108c71ee,
+  0x230710d, 0x10989532, 0x233b473, 0x10a4b7d3,
+  0x236fa3b, 0x10b0d9d0, 0x23a4265, 0x10bcfb28,
+  0x23d8cf1, 0x10c91bda, 0x240d9de, 0x10d53be7,
+  0x244292c, 0x10e15b4e, 0x2477adc, 0x10ed7a0e,
+  0x24aceed, 0x10f99827, 0x24e255e, 0x1105b599,
+  0x2517e31, 0x1111d263, 0x254d965, 0x111dee84,
+  0x25836f9, 0x112a09fc, 0x25b96ee, 0x113624cb,
+  0x25ef943, 0x11423ef0, 0x2625df8, 0x114e586a,
+  0x265c50e, 0x115a713a, 0x2692e83, 0x1166895f,
+  0x26c9a58, 0x1172a0d7, 0x270088e, 0x117eb7a4,
+  0x2737922, 0x118acdc4, 0x276ec16, 0x1196e337,
+  0x27a616a, 0x11a2f7fc, 0x27dd91c, 0x11af0c13,
+  0x281532e, 0x11bb1f7c, 0x284cf9f, 0x11c73235,
+  0x2884e6e, 0x11d3443f, 0x28bcf9c, 0x11df5599,
+  0x28f5329, 0x11eb6643, 0x292d914, 0x11f7763c,
+  0x296615d, 0x12038584, 0x299ec05, 0x120f941a,
+  0x29d790a, 0x121ba1fd, 0x2a1086d, 0x1227af2e,
+  0x2a49a2e, 0x1233bbac, 0x2a82e4d, 0x123fc776,
+  0x2abc4c9, 0x124bd28c, 0x2af5da2, 0x1257dced,
+  0x2b2f8d8, 0x1263e699, 0x2b6966c, 0x126fef90,
+  0x2ba365c, 0x127bf7d1, 0x2bdd8a9, 0x1287ff5b,
+  0x2c17d52, 0x1294062f, 0x2c52459, 0x12a00c4b,
+  0x2c8cdbb, 0x12ac11af, 0x2cc7979, 0x12b8165b,
+  0x2d02794, 0x12c41a4f, 0x2d3d80a, 0x12d01d89,
+  0x2d78add, 0x12dc2009, 0x2db400a, 0x12e821cf,
+  0x2def794, 0x12f422db, 0x2e2b178, 0x1300232c,
+  0x2e66db8, 0x130c22c1, 0x2ea2c53, 0x1318219a,
+  0x2eded49, 0x13241fb6, 0x2f1b099, 0x13301d16,
+  0x2f57644, 0x133c19b8, 0x2f93e4a, 0x1348159d,
+  0x2fd08a9, 0x135410c3, 0x300d563, 0x13600b2a,
+  0x304a477, 0x136c04d2, 0x30875e5, 0x1377fdbb,
+  0x30c49ad, 0x1383f5e3, 0x3101fce, 0x138fed4b,
+  0x313f848, 0x139be3f2, 0x317d31c, 0x13a7d9d7,
+  0x31bb049, 0x13b3cefa, 0x31f8fcf, 0x13bfc35b,
+  0x32371ae, 0x13cbb6f8, 0x32755e5, 0x13d7a9d3,
+  0x32b3c75, 0x13e39be9, 0x32f255e, 0x13ef8d3c,
+  0x333109e, 0x13fb7dc9, 0x336fe37, 0x14076d91,
+  0x33aee27, 0x14135c94, 0x33ee070, 0x141f4ad1,
+  0x342d510, 0x142b3846, 0x346cc07, 0x143724f5,
+  0x34ac556, 0x144310dd, 0x34ec0fc, 0x144efbfc,
+  0x352bef9, 0x145ae653, 0x356bf4d, 0x1466cfe1,
+  0x35ac1f7, 0x1472b8a5, 0x35ec6f8, 0x147ea0a0,
+  0x362ce50, 0x148a87d1, 0x366d7fd, 0x14966e36,
+  0x36ae401, 0x14a253d1, 0x36ef25b, 0x14ae38a0,
+  0x373030a, 0x14ba1ca3, 0x377160f, 0x14c5ffd9,
+  0x37b2b6a, 0x14d1e242, 0x37f4319, 0x14ddc3de,
+  0x3835d1e, 0x14e9a4ac, 0x3877978, 0x14f584ac,
+  0x38b9827, 0x150163dc, 0x38fb92a, 0x150d423d,
+  0x393dc82, 0x15191fcf, 0x398022f, 0x1524fc90,
+  0x39c2a2f, 0x1530d881, 0x3a05484, 0x153cb3a0,
+  0x3a4812c, 0x15488dee, 0x3a8b028, 0x1554676a,
+  0x3ace178, 0x15604013, 0x3b1151b, 0x156c17e9,
+  0x3b54b11, 0x1577eeec, 0x3b9835a, 0x1583c51b,
+  0x3bdbdf6, 0x158f9a76, 0x3c1fae5, 0x159b6efb,
+  0x3c63a26, 0x15a742ac, 0x3ca7bba, 0x15b31587,
+  0x3cebfa0, 0x15bee78c, 0x3d305d8, 0x15cab8ba,
+  0x3d74e62, 0x15d68911, 0x3db993e, 0x15e25890,
+  0x3dfe66c, 0x15ee2738, 0x3e435ea, 0x15f9f507,
+  0x3e887bb, 0x1605c1fd, 0x3ecdbdc, 0x16118e1a,
+  0x3f1324e, 0x161d595d, 0x3f58b10, 0x162923c5,
+  0x3f9e624, 0x1634ed53, 0x3fe4388, 0x1640b606,
+  0x402a33c, 0x164c7ddd, 0x4070540, 0x165844d8,
+  0x40b6994, 0x16640af7, 0x40fd037, 0x166fd039,
+  0x414392b, 0x167b949d, 0x418a46d, 0x16875823,
+  0x41d11ff, 0x16931acb, 0x42181e0, 0x169edc94,
+  0x425f410, 0x16aa9d7e, 0x42a688f, 0x16b65d88,
+  0x42edf5c, 0x16c21cb2, 0x4335877, 0x16cddafb,
+  0x437d3e1, 0x16d99864, 0x43c5199, 0x16e554ea,
+  0x440d19e, 0x16f1108f, 0x44553f2, 0x16fccb51,
+  0x449d892, 0x17088531, 0x44e5f80, 0x17143e2d,
+  0x452e8bc, 0x171ff646, 0x4577444, 0x172bad7a,
+  0x45c0219, 0x173763c9, 0x460923b, 0x17431933,
+  0x46524a9, 0x174ecdb8, 0x469b963, 0x175a8157,
+  0x46e5069, 0x1766340f, 0x472e9bc, 0x1771e5e0,
+  0x477855a, 0x177d96ca, 0x47c2344, 0x178946cc,
+  0x480c379, 0x1794f5e6, 0x48565f9, 0x17a0a417,
+  0x48a0ac4, 0x17ac515f, 0x48eb1db, 0x17b7fdbd,
+  0x4935b3c, 0x17c3a931, 0x49806e7, 0x17cf53bb,
+  0x49cb4dd, 0x17dafd59, 0x4a1651c, 0x17e6a60c,
+  0x4a617a6, 0x17f24dd3, 0x4aacc7a, 0x17fdf4ae,
+  0x4af8397, 0x18099a9c, 0x4b43cfd, 0x18153f9d,
+  0x4b8f8ad, 0x1820e3b0, 0x4bdb6a6, 0x182c86d5,
+  0x4c276e8, 0x1838290c, 0x4c73972, 0x1843ca53,
+  0x4cbfe45, 0x184f6aab, 0x4d0c560, 0x185b0a13,
+  0x4d58ec3, 0x1866a88a, 0x4da5a6f, 0x18724611,
+  0x4df2862, 0x187de2a7, 0x4e3f89c, 0x18897e4a,
+  0x4e8cb1e, 0x189518fc, 0x4ed9fe7, 0x18a0b2bb,
+  0x4f276f7, 0x18ac4b87, 0x4f7504e, 0x18b7e35f,
+  0x4fc2bec, 0x18c37a44, 0x50109d0, 0x18cf1034,
+  0x505e9fb, 0x18daa52f, 0x50acc6b, 0x18e63935,
+  0x50fb121, 0x18f1cc45, 0x514981d, 0x18fd5e5f,
+  0x519815f, 0x1908ef82, 0x51e6ce6, 0x19147fae,
+  0x5235ab2, 0x19200ee3, 0x5284ac3, 0x192b9d1f,
+  0x52d3d18, 0x19372a64, 0x53231b3, 0x1942b6af,
+  0x5372891, 0x194e4201, 0x53c21b4, 0x1959cc5a,
+  0x5411d1b, 0x196555b8, 0x5461ac6, 0x1970de1b,
+  0x54b1ab4, 0x197c6584, 0x5501ce5, 0x1987ebf0,
+  0x555215a, 0x19937161, 0x55a2812, 0x199ef5d6,
+  0x55f310d, 0x19aa794d, 0x5643c4a, 0x19b5fbc8,
+  0x56949ca, 0x19c17d44, 0x56e598c, 0x19ccfdc2,
+  0x5736b90, 0x19d87d42, 0x5787fd6, 0x19e3fbc3,
+  0x57d965d, 0x19ef7944, 0x582af26, 0x19faf5c5,
+  0x587ca31, 0x1a067145, 0x58ce77c, 0x1a11ebc5,
+  0x5920708, 0x1a1d6544, 0x59728d5, 0x1a28ddc0,
+  0x59c4ce3, 0x1a34553b, 0x5a17330, 0x1a3fcbb3,
+  0x5a69bbe, 0x1a4b4128, 0x5abc68c, 0x1a56b599,
+  0x5b0f399, 0x1a622907, 0x5b622e6, 0x1a6d9b70,
+  0x5bb5472, 0x1a790cd4, 0x5c0883d, 0x1a847d33,
+  0x5c5be47, 0x1a8fec8c, 0x5caf690, 0x1a9b5adf,
+  0x5d03118, 0x1aa6c82b, 0x5d56ddd, 0x1ab23471,
+  0x5daace1, 0x1abd9faf, 0x5dfee22, 0x1ac909e5,
+  0x5e531a1, 0x1ad47312, 0x5ea775e, 0x1adfdb37,
+  0x5efbf58, 0x1aeb4253, 0x5f5098f, 0x1af6a865,
+  0x5fa5603, 0x1b020d6c, 0x5ffa4b3, 0x1b0d716a,
+  0x604f5a0, 0x1b18d45c, 0x60a48c9, 0x1b243643,
+  0x60f9e2e, 0x1b2f971e, 0x614f5cf, 0x1b3af6ec,
+  0x61a4fac, 0x1b4655ae, 0x61fabc4, 0x1b51b363,
+  0x6250a18, 0x1b5d100a, 0x62a6aa6, 0x1b686ba3,
+  0x62fcd6f, 0x1b73c62d, 0x6353273, 0x1b7f1fa9,
+  0x63a99b1, 0x1b8a7815, 0x6400329, 0x1b95cf71,
+  0x6456edb, 0x1ba125bd, 0x64adcc7, 0x1bac7af9,
+  0x6504ced, 0x1bb7cf23, 0x655bf4c, 0x1bc3223c,
+  0x65b33e4, 0x1bce7442, 0x660aab5, 0x1bd9c537,
+  0x66623be, 0x1be51518, 0x66b9f01, 0x1bf063e6,
+  0x6711c7b, 0x1bfbb1a0, 0x6769c2e, 0x1c06fe46,
+  0x67c1e18, 0x1c1249d8, 0x681a23a, 0x1c1d9454,
+  0x6872894, 0x1c28ddbb, 0x68cb124, 0x1c34260c,
+  0x6923bec, 0x1c3f6d47, 0x697c8eb, 0x1c4ab36b,
+  0x69d5820, 0x1c55f878, 0x6a2e98b, 0x1c613c6d,
+  0x6a87d2d, 0x1c6c7f4a, 0x6ae1304, 0x1c77c10e,
+  0x6b3ab12, 0x1c8301b9, 0x6b94554, 0x1c8e414b,
+  0x6bee1cd, 0x1c997fc4, 0x6c4807a, 0x1ca4bd21,
+  0x6ca215c, 0x1caff965, 0x6cfc472, 0x1cbb348d,
+  0x6d569be, 0x1cc66e99, 0x6db113d, 0x1cd1a78a,
+  0x6e0baf0, 0x1cdcdf5e, 0x6e666d7, 0x1ce81615,
+  0x6ec14f2, 0x1cf34baf, 0x6f1c540, 0x1cfe802b,
+  0x6f777c1, 0x1d09b389, 0x6fd2c75, 0x1d14e5c9,
+  0x702e35c, 0x1d2016e9, 0x7089c75, 0x1d2b46ea,
+  0x70e57c0, 0x1d3675cb, 0x714153e, 0x1d41a38c,
+  0x719d4ed, 0x1d4cd02c, 0x71f96ce, 0x1d57fbaa,
+  0x7255ae0, 0x1d632608, 0x72b2123, 0x1d6e4f43,
+  0x730e997, 0x1d79775c, 0x736b43c, 0x1d849e51,
+  0x73c8111, 0x1d8fc424, 0x7425016, 0x1d9ae8d2,
+  0x748214c, 0x1da60c5d, 0x74df4b1, 0x1db12ec3,
+  0x753ca46, 0x1dbc5004, 0x759a20a, 0x1dc7701f,
+  0x75f7bfe, 0x1dd28f15, 0x7655820, 0x1dddace4,
+  0x76b3671, 0x1de8c98c, 0x77116f0, 0x1df3e50d,
+  0x776f99d, 0x1dfeff67, 0x77cde79, 0x1e0a1898,
+  0x782c582, 0x1e1530a1, 0x788aeb9, 0x1e204781,
+  0x78e9a1d, 0x1e2b5d38, 0x79487ae, 0x1e3671c5,
+  0x79a776c, 0x1e418528, 0x7a06957, 0x1e4c9760,
+  0x7a65d6e, 0x1e57a86d, 0x7ac53b1, 0x1e62b84f,
+  0x7b24c20, 0x1e6dc705, 0x7b846ba, 0x1e78d48e,
+  0x7be4381, 0x1e83e0eb, 0x7c44272, 0x1e8eec1b,
+  0x7ca438f, 0x1e99f61d, 0x7d046d6, 0x1ea4fef0,
+  0x7d64c47, 0x1eb00696, 0x7dc53e3, 0x1ebb0d0d,
+  0x7e25daa, 0x1ec61254, 0x7e8699a, 0x1ed1166b,
+  0x7ee77b3, 0x1edc1953, 0x7f487f6, 0x1ee71b0a,
+  0x7fa9a62, 0x1ef21b90, 0x800aef7, 0x1efd1ae4,
+  0x806c5b5, 0x1f081907, 0x80cde9b, 0x1f1315f7,
+  0x812f9a9, 0x1f1e11b5, 0x81916df, 0x1f290c3f,
+  0x81f363d, 0x1f340596, 0x82557c3, 0x1f3efdb9,
+  0x82b7b70, 0x1f49f4a8, 0x831a143, 0x1f54ea62,
+  0x837c93e, 0x1f5fdee6, 0x83df35f, 0x1f6ad235,
+  0x8441fa6, 0x1f75c44e, 0x84a4e14, 0x1f80b531,
+  0x8507ea7, 0x1f8ba4dc, 0x856b160, 0x1f969350,
+  0x85ce63e, 0x1fa1808c, 0x8631d42, 0x1fac6c91,
+  0x869566a, 0x1fb7575c, 0x86f91b7, 0x1fc240ef,
+  0x875cf28, 0x1fcd2948, 0x87c0ebd, 0x1fd81067,
+  0x8825077, 0x1fe2f64c, 0x8889454, 0x1feddaf6,
+  0x88eda54, 0x1ff8be65, 0x8952278, 0x2003a099,
+  0x89b6cbf, 0x200e8190, 0x8a1b928, 0x2019614c,
+  0x8a807b4, 0x20243fca, 0x8ae5862, 0x202f1d0b,
+  0x8b4ab32, 0x2039f90f, 0x8bb0023, 0x2044d3d4,
+  0x8c15736, 0x204fad5b, 0x8c7b06b, 0x205a85a3,
+  0x8ce0bc0, 0x20655cac, 0x8d46936, 0x20703275,
+  0x8dac8cd, 0x207b06fe, 0x8e12a84, 0x2085da46,
+  0x8e78e5b, 0x2090ac4d, 0x8edf452, 0x209b7d13,
+  0x8f45c68, 0x20a64c97, 0x8fac69e, 0x20b11ad9,
+  0x90132f2, 0x20bbe7d8, 0x907a166, 0x20c6b395,
+  0x90e11f7, 0x20d17e0d, 0x91484a8, 0x20dc4742,
+  0x91af976, 0x20e70f32, 0x9217062, 0x20f1d5de,
+  0x927e96b, 0x20fc9b44, 0x92e6492, 0x21075f65,
+  0x934e1d6, 0x21122240, 0x93b6137, 0x211ce3d5,
+  0x941e2b4, 0x2127a423, 0x948664d, 0x21326329,
+  0x94eec03, 0x213d20e8, 0x95573d4, 0x2147dd5f,
+  0x95bfdc1, 0x2152988d, 0x96289c9, 0x215d5273,
+  0x96917ec, 0x21680b0f, 0x96fa82a, 0x2172c262,
+  0x9763a83, 0x217d786a, 0x97ccef5, 0x21882d28,
+  0x9836582, 0x2192e09b, 0x989fe29, 0x219d92c2,
+  0x99098e9, 0x21a8439e, 0x99735c2, 0x21b2f32e,
+  0x99dd4b4, 0x21bda171, 0x9a475bf, 0x21c84e67,
+  0x9ab18e3, 0x21d2fa0f, 0x9b1be1e, 0x21dda46a,
+  0x9b86572, 0x21e84d76, 0x9bf0edd, 0x21f2f534,
+  0x9c5ba60, 0x21fd9ba3, 0x9cc67fa, 0x220840c2,
+  0x9d317ab, 0x2212e492, 0x9d9c973, 0x221d8711,
+  0x9e07d51, 0x2228283f, 0x9e73346, 0x2232c81c,
+  0x9edeb50, 0x223d66a8, 0x9f4a570, 0x224803e2,
+  0x9fb61a5, 0x22529fca, 0xa021fef, 0x225d3a5e,
+  0xa08e04f, 0x2267d3a0, 0xa0fa2c3, 0x22726b8e,
+  0xa16674b, 0x227d0228, 0xa1d2de7, 0x2287976e,
+  0xa23f698, 0x22922b5e, 0xa2ac15b, 0x229cbdfa,
+  0xa318e32, 0x22a74f40, 0xa385d1d, 0x22b1df30,
+  0xa3f2e19, 0x22bc6dca, 0xa460129, 0x22c6fb0c,
+  0xa4cd64b, 0x22d186f8, 0xa53ad7e, 0x22dc118c,
+  0xa5a86c4, 0x22e69ac8, 0xa61621b, 0x22f122ab,
+  0xa683f83, 0x22fba936, 0xa6f1efc, 0x23062e67,
+  0xa760086, 0x2310b23e, 0xa7ce420, 0x231b34bc,
+  0xa83c9ca, 0x2325b5df, 0xa8ab184, 0x233035a7,
+  0xa919b4e, 0x233ab414, 0xa988727, 0x23453125,
+  0xa9f750f, 0x234facda, 0xaa66506, 0x235a2733,
+  0xaad570c, 0x2364a02e, 0xab44b1f, 0x236f17cc,
+  0xabb4141, 0x23798e0d, 0xac23971, 0x238402ef,
+  0xac933ae, 0x238e7673, 0xad02ff8, 0x2398e898,
+  0xad72e4f, 0x23a3595e, 0xade2eb3, 0x23adc8c4,
+  0xae53123, 0x23b836ca, 0xaec35a0, 0x23c2a36f,
+  0xaf33c28, 0x23cd0eb3, 0xafa44bc, 0x23d77896,
+  0xb014f5b, 0x23e1e117, 0xb085c05, 0x23ec4837,
+  0xb0f6aba, 0x23f6adf3, 0xb167b79, 0x2401124d,
+  0xb1d8e43, 0x240b7543, 0xb24a316, 0x2415d6d5,
+  0xb2bb9f4, 0x24203704, 0xb32d2da, 0x242a95ce,
+  0xb39edca, 0x2434f332, 0xb410ac3, 0x243f4f32,
+  0xb4829c4, 0x2449a9cc, 0xb4f4acd, 0x245402ff,
+  0xb566ddf, 0x245e5acc, 0xb5d92f8, 0x2468b132,
+  0xb64ba19, 0x24730631, 0xb6be341, 0x247d59c8,
+  0xb730e70, 0x2487abf7, 0xb7a3ba5, 0x2491fcbe,
+  0xb816ae1, 0x249c4c1b, 0xb889c23, 0x24a69a0f,
+  0xb8fcf6b, 0x24b0e699, 0xb9704b9, 0x24bb31ba,
+  0xb9e3c0b, 0x24c57b6f, 0xba57563, 0x24cfc3ba,
+  0xbacb0bf, 0x24da0a9a, 0xbb3ee20, 0x24e4500e,
+  0xbbb2d85, 0x24ee9415, 0xbc26eee, 0x24f8d6b0,
+  0xbc9b25a, 0x250317df, 0xbd0f7ca, 0x250d57a0,
+  0xbd83f3d, 0x251795f3, 0xbdf88b3, 0x2521d2d8,
+  0xbe6d42b, 0x252c0e4f, 0xbee21a5, 0x25364857,
+  0xbf57121, 0x254080ef, 0xbfcc29f, 0x254ab818,
+  0xc04161e, 0x2554edd1, 0xc0b6b9e, 0x255f2219,
+  0xc12c31f, 0x256954f1, 0xc1a1ca0, 0x25738657,
+  0xc217822, 0x257db64c, 0xc28d5a3, 0x2587e4cf,
+  0xc303524, 0x259211df, 0xc3796a5, 0x259c3d7c,
+  0xc3efa25, 0x25a667a7, 0xc465fa3, 0x25b0905d,
+  0xc4dc720, 0x25bab7a0, 0xc55309b, 0x25c4dd6e,
+  0xc5c9c14, 0x25cf01c8, 0xc64098b, 0x25d924ac,
+  0xc6b78ff, 0x25e3461b, 0xc72ea70, 0x25ed6614,
+  0xc7a5dde, 0x25f78497, 0xc81d349, 0x2601a1a2,
+  0xc894aaf, 0x260bbd37, 0xc90c412, 0x2615d754,
+  0xc983f70, 0x261feffa, 0xc9fbcca, 0x262a0727,
+  0xca73c1e, 0x26341cdb, 0xcaebd6e, 0x263e3117,
+  0xcb640b8, 0x264843d9, 0xcbdc5fc, 0x26525521,
+  0xcc54d3a, 0x265c64ef, 0xcccd671, 0x26667342,
+  0xcd461a2, 0x2670801a, 0xcdbeecc, 0x267a8b77,
+  0xce37def, 0x26849558, 0xceb0f0a, 0x268e9dbd,
+  0xcf2a21d, 0x2698a4a6, 0xcfa3729, 0x26a2aa11,
+  0xd01ce2b, 0x26acadff, 0xd096725, 0x26b6b070,
+  0xd110216, 0x26c0b162, 0xd189efe, 0x26cab0d6,
+  0xd203ddc, 0x26d4aecb, 0xd27deb0, 0x26deab41,
+  0xd2f817b, 0x26e8a637, 0xd37263a, 0x26f29fad,
+  0xd3eccef, 0x26fc97a3, 0xd467599, 0x27068e18,
+  0xd4e2037, 0x2710830c, 0xd55ccca, 0x271a767e,
+  0xd5d7b50, 0x2724686e, 0xd652bcb, 0x272e58dc,
+  0xd6cde39, 0x273847c8, 0xd74929a, 0x27423530,
+  0xd7c48ee, 0x274c2115, 0xd840134, 0x27560b76,
+  0xd8bbb6d, 0x275ff452, 0xd937798, 0x2769dbaa,
+  0xd9b35b4, 0x2773c17d, 0xda2f5c2, 0x277da5cb,
+  0xdaab7c0, 0x27878893, 0xdb27bb0, 0x279169d5,
+  0xdba4190, 0x279b4990, 0xdc20960, 0x27a527c4,
+  0xdc9d320, 0x27af0472, 0xdd19ed0, 0x27b8df97,
+  0xdd96c6f, 0x27c2b934, 0xde13bfd, 0x27cc9149,
+  0xde90d79, 0x27d667d5, 0xdf0e0e4, 0x27e03cd8,
+  0xdf8b63d, 0x27ea1052, 0xe008d84, 0x27f3e241,
+  0xe0866b8, 0x27fdb2a7, 0xe1041d9, 0x28078181,
+  0xe181ee8, 0x28114ed0, 0xe1ffde2, 0x281b1a94,
+  0xe27dec9, 0x2824e4cc, 0xe2fc19c, 0x282ead78,
+  0xe37a65b, 0x28387498, 0xe3f8d05, 0x28423a2a,
+  0xe47759a, 0x284bfe2f, 0xe4f6019, 0x2855c0a6,
+  0xe574c84, 0x285f8190, 0xe5f3ad8, 0x286940ea,
+  0xe672b16, 0x2872feb6, 0xe6f1d3d, 0x287cbaf3,
+  0xe77114e, 0x288675a0, 0xe7f0748, 0x28902ebd,
+  0xe86ff2a, 0x2899e64a, 0xe8ef8f4, 0x28a39c46,
+  0xe96f4a7, 0x28ad50b1, 0xe9ef241, 0x28b7038b,
+  0xea6f1c2, 0x28c0b4d2, 0xeaef32b, 0x28ca6488,
+  0xeb6f67a, 0x28d412ab, 0xebefbb0, 0x28ddbf3b,
+  0xec702cb, 0x28e76a37, 0xecf0bcd, 0x28f113a0,
+  0xed716b4, 0x28fabb75, 0xedf2380, 0x290461b5,
+  0xee73231, 0x290e0661, 0xeef42c7, 0x2917a977,
+  0xef75541, 0x29214af8, 0xeff699f, 0x292aeae3,
+  0xf077fe1, 0x29348937, 0xf0f9805, 0x293e25f5,
+  0xf17b20d, 0x2947c11c, 0xf1fcdf8, 0x29515aab,
+  0xf27ebc5, 0x295af2a3, 0xf300b74, 0x29648902,
+  0xf382d05, 0x296e1dc9, 0xf405077, 0x2977b0f7,
+  0xf4875ca, 0x2981428c, 0xf509cfe, 0x298ad287,
+  0xf58c613, 0x299460e8, 0xf60f108, 0x299dedaf,
+  0xf691ddd, 0x29a778db, 0xf714c91, 0x29b1026c,
+  0xf797d24, 0x29ba8a61, 0xf81af97, 0x29c410ba,
+  0xf89e3e8, 0x29cd9578, 0xf921a17, 0x29d71899,
+  0xf9a5225, 0x29e09a1c, 0xfa28c10, 0x29ea1a03,
+  0xfaac7d8, 0x29f3984c, 0xfb3057d, 0x29fd14f6,
+  0xfbb4500, 0x2a069003, 0xfc3865e, 0x2a100970,
+  0xfcbc999, 0x2a19813f, 0xfd40eaf, 0x2a22f76e,
+  0xfdc55a1, 0x2a2c6bfd, 0xfe49e6d, 0x2a35deeb,
+  0xfece915, 0x2a3f503a, 0xff53597, 0x2a48bfe7,
+  0xffd83f4, 0x2a522df3, 0x1005d42a, 0x2a5b9a5d,
+  0x100e2639, 0x2a650525, 0x10167a22, 0x2a6e6e4b,
+  0x101ecfe4, 0x2a77d5ce, 0x1027277e, 0x2a813bae,
+  0x102f80f1, 0x2a8a9fea, 0x1037dc3b, 0x2a940283,
+  0x1040395d, 0x2a9d6377, 0x10489856, 0x2aa6c2c6,
+  0x1050f926, 0x2ab02071, 0x10595bcd, 0x2ab97c77,
+  0x1061c04a, 0x2ac2d6d6, 0x106a269d, 0x2acc2f90,
+  0x10728ec6, 0x2ad586a3, 0x107af8c4, 0x2adedc10,
+  0x10836497, 0x2ae82fd5, 0x108bd23f, 0x2af181f3,
+  0x109441bb, 0x2afad269, 0x109cb30b, 0x2b042137,
+  0x10a5262f, 0x2b0d6e5c, 0x10ad9b26, 0x2b16b9d9,
+  0x10b611f1, 0x2b2003ac, 0x10be8a8d, 0x2b294bd5,
+  0x10c704fd, 0x2b329255, 0x10cf813e, 0x2b3bd72a,
+  0x10d7ff51, 0x2b451a55, 0x10e07f36, 0x2b4e5bd4,
+  0x10e900ec, 0x2b579ba8, 0x10f18472, 0x2b60d9d0,
+  0x10fa09c9, 0x2b6a164d, 0x110290f0, 0x2b73511c,
+  0x110b19e7, 0x2b7c8a3f, 0x1113a4ad, 0x2b85c1b5,
+  0x111c3142, 0x2b8ef77d, 0x1124bfa6, 0x2b982b97,
+  0x112d4fd9, 0x2ba15e03, 0x1135e1d9, 0x2baa8ec0,
+  0x113e75a8, 0x2bb3bdce, 0x11470b44, 0x2bbceb2d,
+  0x114fa2ad, 0x2bc616dd, 0x11583be2, 0x2bcf40dc,
+  0x1160d6e5, 0x2bd8692b, 0x116973b3, 0x2be18fc9,
+  0x1172124d, 0x2beab4b6, 0x117ab2b3, 0x2bf3d7f2,
+  0x118354e4, 0x2bfcf97c, 0x118bf8e0, 0x2c061953,
+  0x11949ea6, 0x2c0f3779, 0x119d4636, 0x2c1853eb,
+  0x11a5ef90, 0x2c216eaa, 0x11ae9ab4, 0x2c2a87b6,
+  0x11b747a0, 0x2c339f0e, 0x11bff656, 0x2c3cb4b1,
+  0x11c8a6d4, 0x2c45c8a0, 0x11d1591a, 0x2c4edada,
+  0x11da0d28, 0x2c57eb5e, 0x11e2c2fd, 0x2c60fa2d,
+  0x11eb7a9a, 0x2c6a0746, 0x11f433fd, 0x2c7312a9,
+  0x11fcef27, 0x2c7c1c55, 0x1205ac17, 0x2c85244a,
+  0x120e6acc, 0x2c8e2a87, 0x12172b48, 0x2c972f0d,
+  0x121fed88, 0x2ca031da, 0x1228b18d, 0x2ca932ef,
+  0x12317756, 0x2cb2324c, 0x123a3ee4, 0x2cbb2fef,
+  0x12430835, 0x2cc42bd9, 0x124bd34a, 0x2ccd2609,
+  0x1254a021, 0x2cd61e7f, 0x125d6ebc, 0x2cdf153a,
+  0x12663f19, 0x2ce80a3a, 0x126f1138, 0x2cf0fd80,
+  0x1277e518, 0x2cf9ef09, 0x1280babb, 0x2d02ded7,
+  0x1289921e, 0x2d0bcce8, 0x12926b41, 0x2d14b93d,
+  0x129b4626, 0x2d1da3d5, 0x12a422ca, 0x2d268cb0,
+  0x12ad012e, 0x2d2f73cd, 0x12b5e151, 0x2d38592c,
+  0x12bec333, 0x2d413ccd, 0x12c7a6d4, 0x2d4a1eaf,
+  0x12d08c33, 0x2d52fed2, 0x12d97350, 0x2d5bdd36,
+  0x12e25c2b, 0x2d64b9da, 0x12eb46c3, 0x2d6d94bf,
+  0x12f43318, 0x2d766de2, 0x12fd2129, 0x2d7f4545,
+  0x130610f7, 0x2d881ae8, 0x130f0280, 0x2d90eec8,
+  0x1317f5c6, 0x2d99c0e7, 0x1320eac6, 0x2da29144,
+  0x1329e181, 0x2dab5fdf, 0x1332d9f7, 0x2db42cb6,
+  0x133bd427, 0x2dbcf7cb, 0x1344d011, 0x2dc5c11c,
+  0x134dcdb4, 0x2dce88aa, 0x1356cd11, 0x2dd74e73,
+  0x135fce26, 0x2de01278, 0x1368d0f3, 0x2de8d4b8,
+  0x1371d579, 0x2df19534, 0x137adbb6, 0x2dfa53e9,
+  0x1383e3ab, 0x2e0310d9, 0x138ced57, 0x2e0bcc03,
+  0x1395f8ba, 0x2e148566, 0x139f05d3, 0x2e1d3d03,
+  0x13a814a2, 0x2e25f2d8, 0x13b12526, 0x2e2ea6e6,
+  0x13ba3760, 0x2e37592c, 0x13c34b4f, 0x2e4009aa,
+  0x13cc60f2, 0x2e48b860, 0x13d5784a, 0x2e51654c,
+  0x13de9156, 0x2e5a1070, 0x13e7ac15, 0x2e62b9ca,
+  0x13f0c887, 0x2e6b615a, 0x13f9e6ad, 0x2e740720,
+  0x14030684, 0x2e7cab1c, 0x140c280e, 0x2e854d4d,
+  0x14154b4a, 0x2e8dedb3, 0x141e7037, 0x2e968c4d,
+  0x142796d5, 0x2e9f291b, 0x1430bf24, 0x2ea7c41e,
+  0x1439e923, 0x2eb05d53, 0x144314d3, 0x2eb8f4bc,
+  0x144c4232, 0x2ec18a58, 0x14557140, 0x2eca1e27,
+  0x145ea1fd, 0x2ed2b027, 0x1467d469, 0x2edb405a,
+  0x14710883, 0x2ee3cebe, 0x147a3e4b, 0x2eec5b53,
+  0x148375c1, 0x2ef4e619, 0x148caee4, 0x2efd6f10,
+  0x1495e9b3, 0x2f05f637, 0x149f2630, 0x2f0e7b8e,
+  0x14a86458, 0x2f16ff14, 0x14b1a42c, 0x2f1f80ca,
+  0x14bae5ab, 0x2f2800af, 0x14c428d6, 0x2f307ec2,
+  0x14cd6dab, 0x2f38fb03, 0x14d6b42b, 0x2f417573,
+  0x14dffc54, 0x2f49ee0f, 0x14e94627, 0x2f5264da,
+  0x14f291a4, 0x2f5ad9d1, 0x14fbdec9, 0x2f634cf5,
+  0x15052d97, 0x2f6bbe45, 0x150e7e0d, 0x2f742dc1,
+  0x1517d02b, 0x2f7c9b69, 0x152123f0, 0x2f85073c,
+  0x152a795d, 0x2f8d713a, 0x1533d070, 0x2f95d963,
+  0x153d292a, 0x2f9e3fb6, 0x15468389, 0x2fa6a433,
+  0x154fdf8f, 0x2faf06da, 0x15593d3a, 0x2fb767aa,
+  0x15629c89, 0x2fbfc6a3, 0x156bfd7d, 0x2fc823c5,
+  0x15756016, 0x2fd07f0f, 0x157ec452, 0x2fd8d882,
+  0x15882a32, 0x2fe1301c, 0x159191b5, 0x2fe985de,
+  0x159afadb, 0x2ff1d9c7, 0x15a465a3, 0x2ffa2bd6,
+  0x15add20d, 0x30027c0c, 0x15b74019, 0x300aca69,
+  0x15c0afc6, 0x301316eb, 0x15ca2115, 0x301b6193,
+  0x15d39403, 0x3023aa5f, 0x15dd0892, 0x302bf151,
+  0x15e67ec1, 0x30343667, 0x15eff690, 0x303c79a2,
+  0x15f96ffd, 0x3044bb00, 0x1602eb0a, 0x304cfa83,
+  0x160c67b4, 0x30553828, 0x1615e5fd, 0x305d73f0,
+  0x161f65e4, 0x3065addb, 0x1628e767, 0x306de5e9,
+  0x16326a88, 0x30761c18, 0x163bef46, 0x307e5069,
+  0x1645759f, 0x308682dc, 0x164efd94, 0x308eb36f,
+  0x16588725, 0x3096e223, 0x16621251, 0x309f0ef8,
+  0x166b9f18, 0x30a739ed, 0x16752d79, 0x30af6302,
+  0x167ebd74, 0x30b78a36, 0x16884f09, 0x30bfaf89,
+  0x1691e237, 0x30c7d2fb, 0x169b76fe, 0x30cff48c,
+  0x16a50d5d, 0x30d8143b, 0x16aea555, 0x30e03208,
+  0x16b83ee4, 0x30e84df3, 0x16c1da0b, 0x30f067fb,
+  0x16cb76c9, 0x30f8801f, 0x16d5151d, 0x31009661,
+  0x16deb508, 0x3108aabf, 0x16e85689, 0x3110bd39,
+  0x16f1f99f, 0x3118cdcf, 0x16fb9e4b, 0x3120dc80,
+  0x1705448b, 0x3128e94c, 0x170eec60, 0x3130f433,
+  0x171895c9, 0x3138fd35, 0x172240c5, 0x31410450,
+  0x172bed55, 0x31490986, 0x17359b78, 0x31510cd5,
+  0x173f4b2e, 0x31590e3e, 0x1748fc75, 0x31610dbf,
+  0x1752af4f, 0x31690b59, 0x175c63ba, 0x3171070c,
+  0x176619b6, 0x317900d6, 0x176fd143, 0x3180f8b8,
+  0x17798a60, 0x3188eeb2, 0x1783450d, 0x3190e2c3,
+  0x178d014a, 0x3198d4ea, 0x1796bf16, 0x31a0c528,
+  0x17a07e70, 0x31a8b37c, 0x17aa3f5a, 0x31b09fe7,
+  0x17b401d1, 0x31b88a66, 0x17bdc5d6, 0x31c072fb,
+  0x17c78b68, 0x31c859a5, 0x17d15288, 0x31d03e64,
+  0x17db1b34, 0x31d82137, 0x17e4e56c, 0x31e0021e,
+  0x17eeb130, 0x31e7e118, 0x17f87e7f, 0x31efbe27,
+  0x18024d59, 0x31f79948, 0x180c1dbf, 0x31ff727c,
+  0x1815efae, 0x320749c3, 0x181fc328, 0x320f1f1c,
+  0x1829982b, 0x3216f287, 0x18336eb7, 0x321ec403,
+  0x183d46cc, 0x32269391, 0x18472069, 0x322e6130,
+  0x1850fb8e, 0x32362ce0, 0x185ad83c, 0x323df6a0,
+  0x1864b670, 0x3245be70, 0x186e962b, 0x324d8450,
+  0x1878776d, 0x32554840, 0x18825a35, 0x325d0a3e,
+  0x188c3e83, 0x3264ca4c, 0x18962456, 0x326c8868,
+  0x18a00bae, 0x32744493, 0x18a9f48a, 0x327bfecc,
+  0x18b3deeb, 0x3283b712, 0x18bdcad0, 0x328b6d66,
+  0x18c7b838, 0x329321c7, 0x18d1a724, 0x329ad435,
+  0x18db9792, 0x32a284b0, 0x18e58982, 0x32aa3336,
+  0x18ef7cf4, 0x32b1dfc9, 0x18f971e8, 0x32b98a67,
+  0x1903685d, 0x32c13311, 0x190d6053, 0x32c8d9c6,
+  0x191759c9, 0x32d07e85, 0x192154bf, 0x32d82150,
+  0x192b5135, 0x32dfc224, 0x19354f2a, 0x32e76102,
+  0x193f4e9e, 0x32eefdea, 0x19494f90, 0x32f698db,
+  0x19535201, 0x32fe31d5, 0x195d55ef, 0x3305c8d7,
+  0x19675b5a, 0x330d5de3, 0x19716243, 0x3314f0f6,
+  0x197b6aa8, 0x331c8211, 0x19857489, 0x33241134,
+  0x198f7fe6, 0x332b9e5e, 0x19998cbe, 0x3333298f,
+  0x19a39b11, 0x333ab2c6, 0x19adaadf, 0x33423a04,
+  0x19b7bc27, 0x3349bf48, 0x19c1cee9, 0x33514292,
+  0x19cbe325, 0x3358c3e2, 0x19d5f8d9, 0x33604336,
+  0x19e01006, 0x3367c090, 0x19ea28ac, 0x336f3bee,
+  0x19f442c9, 0x3376b551, 0x19fe5e5e, 0x337e2cb7,
+  0x1a087b69, 0x3385a222, 0x1a1299ec, 0x338d1590,
+  0x1a1cb9e5, 0x33948701, 0x1a26db54, 0x339bf675,
+  0x1a30fe38, 0x33a363ec, 0x1a3b2292, 0x33aacf65,
+  0x1a454860, 0x33b238e0, 0x1a4f6fa3, 0x33b9a05d,
+  0x1a599859, 0x33c105db, 0x1a63c284, 0x33c8695b,
+  0x1a6dee21, 0x33cfcadc, 0x1a781b31, 0x33d72a5d,
+  0x1a8249b4, 0x33de87de, 0x1a8c79a9, 0x33e5e360,
+  0x1a96ab0f, 0x33ed3ce1, 0x1aa0dde7, 0x33f49462,
+  0x1aab122f, 0x33fbe9e2, 0x1ab547e8, 0x34033d61,
+  0x1abf7f11, 0x340a8edf, 0x1ac9b7a9, 0x3411de5b,
+  0x1ad3f1b1, 0x34192bd5, 0x1ade2d28, 0x3420774d,
+  0x1ae86a0d, 0x3427c0c3, 0x1af2a860, 0x342f0836,
+  0x1afce821, 0x34364da6, 0x1b072950, 0x343d9112,
+  0x1b116beb, 0x3444d27b, 0x1b1baff2, 0x344c11e0,
+  0x1b25f566, 0x34534f41, 0x1b303c46, 0x345a8a9d,
+  0x1b3a8491, 0x3461c3f5, 0x1b44ce46, 0x3468fb47,
+  0x1b4f1967, 0x34703095, 0x1b5965f1, 0x347763dd,
+  0x1b63b3e5, 0x347e951f, 0x1b6e0342, 0x3485c45b,
+  0x1b785409, 0x348cf190, 0x1b82a638, 0x34941cbf,
+  0x1b8cf9cf, 0x349b45e7, 0x1b974ece, 0x34a26d08,
+  0x1ba1a534, 0x34a99221, 0x1babfd01, 0x34b0b533,
+  0x1bb65634, 0x34b7d63c, 0x1bc0b0ce, 0x34bef53d,
+  0x1bcb0cce, 0x34c61236, 0x1bd56a32, 0x34cd2d26,
+  0x1bdfc8fc, 0x34d4460c, 0x1bea292b, 0x34db5cea,
+  0x1bf48abd, 0x34e271bd, 0x1bfeedb3, 0x34e98487,
+  0x1c09520d, 0x34f09546, 0x1c13b7c9, 0x34f7a3fb,
+  0x1c1e1ee9, 0x34feb0a5, 0x1c28876a, 0x3505bb44,
+  0x1c32f14d, 0x350cc3d8, 0x1c3d5c91, 0x3513ca60,
+  0x1c47c936, 0x351acedd, 0x1c52373c, 0x3521d14d,
+  0x1c5ca6a2, 0x3528d1b1, 0x1c671768, 0x352fd008,
+  0x1c71898d, 0x3536cc52, 0x1c7bfd11, 0x353dc68f,
+  0x1c8671f3, 0x3544bebf, 0x1c90e834, 0x354bb4e1,
+  0x1c9b5fd2, 0x3552a8f4, 0x1ca5d8cd, 0x35599afa,
+  0x1cb05326, 0x35608af1, 0x1cbacedb, 0x356778d9,
+  0x1cc54bec, 0x356e64b2, 0x1ccfca59, 0x35754e7c,
+  0x1cda4a21, 0x357c3636, 0x1ce4cb44, 0x35831be0,
+  0x1cef4dc2, 0x3589ff7a, 0x1cf9d199, 0x3590e104,
+  0x1d0456ca, 0x3597c07d, 0x1d0edd55, 0x359e9de5,
+  0x1d196538, 0x35a5793c, 0x1d23ee74, 0x35ac5282,
+  0x1d2e7908, 0x35b329b5, 0x1d3904f4, 0x35b9fed7,
+  0x1d439236, 0x35c0d1e7, 0x1d4e20d0, 0x35c7a2e3,
+  0x1d58b0c0, 0x35ce71ce, 0x1d634206, 0x35d53ea5,
+  0x1d6dd4a2, 0x35dc0968, 0x1d786892, 0x35e2d219,
+  0x1d82fdd8, 0x35e998b5, 0x1d8d9472, 0x35f05d3d,
+  0x1d982c60, 0x35f71fb1, 0x1da2c5a2, 0x35fde011,
+  0x1dad6036, 0x36049e5b, 0x1db7fc1e, 0x360b5a90,
+  0x1dc29958, 0x361214b0, 0x1dcd37e4, 0x3618ccba,
+  0x1dd7d7c1, 0x361f82af, 0x1de278ef, 0x3626368d,
+  0x1ded1b6e, 0x362ce855, 0x1df7bf3e, 0x36339806,
+  0x1e02645d, 0x363a45a0, 0x1e0d0acc, 0x3640f123,
+  0x1e17b28a, 0x36479a8e, 0x1e225b96, 0x364e41e2,
+  0x1e2d05f1, 0x3654e71d, 0x1e37b199, 0x365b8a41,
+  0x1e425e8f, 0x36622b4c, 0x1e4d0cd2, 0x3668ca3e,
+  0x1e57bc62, 0x366f6717, 0x1e626d3e, 0x367601d7,
+  0x1e6d1f65, 0x367c9a7e, 0x1e77d2d8, 0x3683310b,
+  0x1e828796, 0x3689c57d, 0x1e8d3d9e, 0x369057d6,
+  0x1e97f4f1, 0x3696e814, 0x1ea2ad8d, 0x369d7637,
+  0x1ead6773, 0x36a4023f, 0x1eb822a1, 0x36aa8c2c,
+  0x1ec2df18, 0x36b113fd, 0x1ecd9cd7, 0x36b799b3,
+  0x1ed85bdd, 0x36be1d4c, 0x1ee31c2b, 0x36c49ec9,
+  0x1eedddc0, 0x36cb1e2a, 0x1ef8a09b, 0x36d19b6e,
+  0x1f0364bc, 0x36d81695, 0x1f0e2a22, 0x36de8f9e,
+  0x1f18f0ce, 0x36e5068a, 0x1f23b8be, 0x36eb7b58,
+  0x1f2e81f3, 0x36f1ee09, 0x1f394c6b, 0x36f85e9a,
+  0x1f441828, 0x36fecd0e, 0x1f4ee527, 0x37053962,
+  0x1f59b369, 0x370ba398, 0x1f6482ed, 0x37120bae,
+  0x1f6f53b3, 0x371871a5, 0x1f7a25ba, 0x371ed57c,
+  0x1f84f902, 0x37253733, 0x1f8fcd8b, 0x372b96ca,
+  0x1f9aa354, 0x3731f440, 0x1fa57a5d, 0x37384f95,
+  0x1fb052a5, 0x373ea8ca, 0x1fbb2c2c, 0x3744ffdd,
+  0x1fc606f1, 0x374b54ce, 0x1fd0e2f5, 0x3751a79e,
+  0x1fdbc036, 0x3757f84c, 0x1fe69eb4, 0x375e46d8,
+  0x1ff17e70, 0x37649341, 0x1ffc5f67, 0x376add88,
+  0x2007419b, 0x377125ac, 0x2012250a, 0x37776bac,
+  0x201d09b4, 0x377daf89, 0x2027ef99, 0x3783f143,
+  0x2032d6b8, 0x378a30d8, 0x203dbf11, 0x37906e49,
+  0x2048a8a4, 0x3796a996, 0x2053936f, 0x379ce2be,
+  0x205e7f74, 0x37a319c2, 0x20696cb0, 0x37a94ea0,
+  0x20745b24, 0x37af8159, 0x207f4acf, 0x37b5b1ec,
+  0x208a3bb2, 0x37bbe05a, 0x20952dcb, 0x37c20ca1,
+  0x20a0211a, 0x37c836c2, 0x20ab159e, 0x37ce5ebd,
+  0x20b60b58, 0x37d48490, 0x20c10247, 0x37daa83d,
+  0x20cbfa6a, 0x37e0c9c3, 0x20d6f3c1, 0x37e6e921,
+  0x20e1ee4b, 0x37ed0657, 0x20ecea09, 0x37f32165,
+  0x20f7e6f9, 0x37f93a4b, 0x2102e51c, 0x37ff5109,
+  0x210de470, 0x3805659e, 0x2118e4f6, 0x380b780a,
+  0x2123e6ad, 0x3811884d, 0x212ee995, 0x38179666,
+  0x2139edac, 0x381da256, 0x2144f2f3, 0x3823ac1d,
+  0x214ff96a, 0x3829b3b9, 0x215b0110, 0x382fb92a,
+  0x216609e3, 0x3835bc71, 0x217113e5, 0x383bbd8e,
+  0x217c1f15, 0x3841bc7f, 0x21872b72, 0x3847b946,
+  0x219238fb, 0x384db3e0, 0x219d47b1, 0x3853ac4f,
+  0x21a85793, 0x3859a292, 0x21b368a0, 0x385f96a9,
+  0x21be7ad8, 0x38658894, 0x21c98e3b, 0x386b7852,
+  0x21d4a2c8, 0x387165e3, 0x21dfb87f, 0x38775147,
+  0x21eacf5f, 0x387d3a7e, 0x21f5e768, 0x38832187,
+  0x22010099, 0x38890663, 0x220c1af3, 0x388ee910,
+  0x22173674, 0x3894c98f, 0x2222531c, 0x389aa7e0,
+  0x222d70eb, 0x38a08402, 0x22388fe1, 0x38a65df6,
+  0x2243affc, 0x38ac35ba, 0x224ed13d, 0x38b20b4f,
+  0x2259f3a3, 0x38b7deb4, 0x2265172e, 0x38bdafea,
+  0x22703bdc, 0x38c37eef, 0x227b61af, 0x38c94bc4,
+  0x228688a4, 0x38cf1669, 0x2291b0bd, 0x38d4dedd,
+  0x229cd9f8, 0x38daa520, 0x22a80456, 0x38e06932,
+  0x22b32fd4, 0x38e62b13, 0x22be5c74, 0x38ebeac2,
+  0x22c98a35, 0x38f1a840, 0x22d4b916, 0x38f7638b,
+  0x22dfe917, 0x38fd1ca4, 0x22eb1a37, 0x3902d38b,
+  0x22f64c77, 0x3908883f, 0x23017fd5, 0x390e3ac0,
+  0x230cb451, 0x3913eb0e, 0x2317e9eb, 0x39199929,
+  0x232320a2, 0x391f4510, 0x232e5876, 0x3924eec3,
+  0x23399167, 0x392a9642, 0x2344cb73, 0x39303b8e,
+  0x2350069b, 0x3935dea4, 0x235b42df, 0x393b7f86,
+  0x2366803c, 0x39411e33, 0x2371beb5, 0x3946baac,
+  0x237cfe47, 0x394c54ee, 0x23883ef2, 0x3951ecfc,
+  0x239380b6, 0x395782d3, 0x239ec393, 0x395d1675,
+  0x23aa0788, 0x3962a7e0, 0x23b54c95, 0x39683715,
+  0x23c092b9, 0x396dc414, 0x23cbd9f4, 0x39734edc,
+  0x23d72245, 0x3978d76c, 0x23e26bac, 0x397e5dc6,
+  0x23edb628, 0x3983e1e8, 0x23f901ba, 0x398963d2,
+  0x24044e60, 0x398ee385, 0x240f9c1a, 0x399460ff,
+  0x241aeae8, 0x3999dc42, 0x24263ac9, 0x399f554b,
+  0x24318bbe, 0x39a4cc1c, 0x243cddc4, 0x39aa40b4,
+  0x244830dd, 0x39afb313, 0x24538507, 0x39b52339,
+  0x245eda43, 0x39ba9125, 0x246a308f, 0x39bffcd7,
+  0x247587eb, 0x39c5664f, 0x2480e057, 0x39cacd8d,
+  0x248c39d3, 0x39d03291, 0x2497945d, 0x39d5955a,
+  0x24a2eff6, 0x39daf5e8, 0x24ae4c9d, 0x39e0543c,
+  0x24b9aa52, 0x39e5b054, 0x24c50914, 0x39eb0a31,
+  0x24d068e2, 0x39f061d2, 0x24dbc9bd, 0x39f5b737,
+  0x24e72ba4, 0x39fb0a60, 0x24f28e96, 0x3a005b4d,
+  0x24fdf294, 0x3a05a9fd, 0x2509579b, 0x3a0af671,
+  0x2514bdad, 0x3a1040a8, 0x252024c9, 0x3a1588a2,
+  0x252b8cee, 0x3a1ace5f, 0x2536f61b, 0x3a2011de,
+  0x25426051, 0x3a25531f, 0x254dcb8f, 0x3a2a9223,
+  0x255937d5, 0x3a2fcee8, 0x2564a521, 0x3a350970,
+  0x25701374, 0x3a3a41b9, 0x257b82cd, 0x3a3f77c3,
+  0x2586f32c, 0x3a44ab8e, 0x25926490, 0x3a49dd1a,
+  0x259dd6f9, 0x3a4f0c67, 0x25a94a67, 0x3a543974,
+  0x25b4bed8, 0x3a596442, 0x25c0344d, 0x3a5e8cd0,
+  0x25cbaac5, 0x3a63b31d, 0x25d72240, 0x3a68d72b,
+  0x25e29abc, 0x3a6df8f8, 0x25ee143b, 0x3a731884,
+  0x25f98ebb, 0x3a7835cf, 0x26050a3b, 0x3a7d50da,
+  0x261086bc, 0x3a8269a3, 0x261c043d, 0x3a87802a,
+  0x262782be, 0x3a8c9470, 0x2633023e, 0x3a91a674,
+  0x263e82bc, 0x3a96b636, 0x264a0438, 0x3a9bc3b6,
+  0x265586b3, 0x3aa0cef3, 0x26610a2a, 0x3aa5d7ee,
+  0x266c8e9f, 0x3aaadea6, 0x26781410, 0x3aafe31b,
+  0x26839a7c, 0x3ab4e54c, 0x268f21e5, 0x3ab9e53a,
+  0x269aaa48, 0x3abee2e5, 0x26a633a6, 0x3ac3de4c,
+  0x26b1bdff, 0x3ac8d76f, 0x26bd4951, 0x3acdce4d,
+  0x26c8d59c, 0x3ad2c2e8, 0x26d462e1, 0x3ad7b53d,
+  0x26dff11d, 0x3adca54e, 0x26eb8052, 0x3ae1931a,
+  0x26f7107e, 0x3ae67ea1, 0x2702a1a1, 0x3aeb67e3,
+  0x270e33bb, 0x3af04edf, 0x2719c6cb, 0x3af53395,
+  0x27255ad1, 0x3afa1605, 0x2730efcc, 0x3afef630,
+  0x273c85bc, 0x3b03d414, 0x27481ca1, 0x3b08afb2,
+  0x2753b479, 0x3b0d8909, 0x275f4d45, 0x3b126019,
+  0x276ae704, 0x3b1734e2, 0x277681b6, 0x3b1c0764,
+  0x27821d59, 0x3b20d79e, 0x278db9ef, 0x3b25a591,
+  0x27995776, 0x3b2a713d, 0x27a4f5ed, 0x3b2f3aa0,
+  0x27b09555, 0x3b3401bb, 0x27bc35ad, 0x3b38c68e,
+  0x27c7d6f4, 0x3b3d8918, 0x27d3792b, 0x3b42495a,
+  0x27df1c50, 0x3b470753, 0x27eac063, 0x3b4bc303,
+  0x27f66564, 0x3b507c69, 0x28020b52, 0x3b553386,
+  0x280db22d, 0x3b59e85a, 0x281959f4, 0x3b5e9ae4,
+  0x282502a7, 0x3b634b23, 0x2830ac45, 0x3b67f919,
+  0x283c56cf, 0x3b6ca4c4, 0x28480243, 0x3b714e25,
+  0x2853aea1, 0x3b75f53c, 0x285f5be9, 0x3b7a9a07,
+  0x286b0a1a, 0x3b7f3c87, 0x2876b934, 0x3b83dcbc,
+  0x28826936, 0x3b887aa6, 0x288e1a20, 0x3b8d1644,
+  0x2899cbf1, 0x3b91af97, 0x28a57ea9, 0x3b96469d,
+  0x28b13248, 0x3b9adb57, 0x28bce6cd, 0x3b9f6dc5,
+  0x28c89c37, 0x3ba3fde7, 0x28d45286, 0x3ba88bbc,
+  0x28e009ba, 0x3bad1744, 0x28ebc1d3, 0x3bb1a080,
+  0x28f77acf, 0x3bb6276e, 0x290334af, 0x3bbaac0e,
+  0x290eef71, 0x3bbf2e62, 0x291aab16, 0x3bc3ae67,
+  0x2926679c, 0x3bc82c1f, 0x29322505, 0x3bcca789,
+  0x293de34e, 0x3bd120a4, 0x2949a278, 0x3bd59771,
+  0x29556282, 0x3bda0bf0, 0x2961236c, 0x3bde7e20,
+  0x296ce535, 0x3be2ee01, 0x2978a7dd, 0x3be75b93,
+  0x29846b63, 0x3bebc6d5, 0x29902fc7, 0x3bf02fc9,
+  0x299bf509, 0x3bf4966c, 0x29a7bb28, 0x3bf8fac0,
+  0x29b38223, 0x3bfd5cc4, 0x29bf49fa, 0x3c01bc78,
+  0x29cb12ad, 0x3c0619dc, 0x29d6dc3b, 0x3c0a74f0,
+  0x29e2a6a3, 0x3c0ecdb2, 0x29ee71e6, 0x3c132424,
+  0x29fa3e03, 0x3c177845, 0x2a060af9, 0x3c1bca16,
+  0x2a11d8c8, 0x3c201994, 0x2a1da770, 0x3c2466c2,
+  0x2a2976ef, 0x3c28b19e, 0x2a354746, 0x3c2cfa28,
+  0x2a411874, 0x3c314060, 0x2a4cea79, 0x3c358446,
+  0x2a58bd54, 0x3c39c5da, 0x2a649105, 0x3c3e051b,
+  0x2a70658a, 0x3c42420a, 0x2a7c3ae5, 0x3c467ca6,
+  0x2a881114, 0x3c4ab4ef, 0x2a93e817, 0x3c4eeae5,
+  0x2a9fbfed, 0x3c531e88, 0x2aab9896, 0x3c574fd8,
+  0x2ab77212, 0x3c5b7ed4, 0x2ac34c60, 0x3c5fab7c,
+  0x2acf277f, 0x3c63d5d1, 0x2adb0370, 0x3c67fdd1,
+  0x2ae6e031, 0x3c6c237e, 0x2af2bdc3, 0x3c7046d6,
+  0x2afe9c24, 0x3c7467d9, 0x2b0a7b54, 0x3c788688,
+  0x2b165b54, 0x3c7ca2e2, 0x2b223c22, 0x3c80bce7,
+  0x2b2e1dbe, 0x3c84d496, 0x2b3a0027, 0x3c88e9f1,
+  0x2b45e35d, 0x3c8cfcf6, 0x2b51c760, 0x3c910da5,
+  0x2b5dac2f, 0x3c951bff, 0x2b6991ca, 0x3c992803,
+  0x2b75782f, 0x3c9d31b0, 0x2b815f60, 0x3ca13908,
+  0x2b8d475b, 0x3ca53e09, 0x2b99301f, 0x3ca940b3,
+  0x2ba519ad, 0x3cad4107, 0x2bb10404, 0x3cb13f04,
+  0x2bbcef23, 0x3cb53aaa, 0x2bc8db0b, 0x3cb933f9,
+  0x2bd4c7ba, 0x3cbd2af0, 0x2be0b52f, 0x3cc11f90,
+  0x2beca36c, 0x3cc511d9, 0x2bf8926f, 0x3cc901c9,
+  0x2c048237, 0x3cccef62, 0x2c1072c4, 0x3cd0daa2,
+  0x2c1c6417, 0x3cd4c38b, 0x2c28562d, 0x3cd8aa1b,
+  0x2c344908, 0x3cdc8e52, 0x2c403ca5, 0x3ce07031,
+  0x2c4c3106, 0x3ce44fb7, 0x2c582629, 0x3ce82ce4,
+  0x2c641c0e, 0x3cec07b8, 0x2c7012b5, 0x3cefe032,
+  0x2c7c0a1d, 0x3cf3b653, 0x2c880245, 0x3cf78a1b,
+  0x2c93fb2e, 0x3cfb5b89, 0x2c9ff4d6, 0x3cff2a9d,
+  0x2cabef3d, 0x3d02f757, 0x2cb7ea63, 0x3d06c1b6,
+  0x2cc3e648, 0x3d0a89bc, 0x2ccfe2ea, 0x3d0e4f67,
+  0x2cdbe04a, 0x3d1212b7, 0x2ce7de66, 0x3d15d3ad,
+  0x2cf3dd3f, 0x3d199248, 0x2cffdcd4, 0x3d1d4e88,
+  0x2d0bdd25, 0x3d21086c, 0x2d17de31, 0x3d24bff6,
+  0x2d23dff7, 0x3d287523, 0x2d2fe277, 0x3d2c27f6,
+  0x2d3be5b1, 0x3d2fd86c, 0x2d47e9a5, 0x3d338687,
+  0x2d53ee51, 0x3d373245, 0x2d5ff3b5, 0x3d3adba7,
+  0x2d6bf9d1, 0x3d3e82ae, 0x2d7800a5, 0x3d422757,
+  0x2d84082f, 0x3d45c9a4, 0x2d901070, 0x3d496994,
+  0x2d9c1967, 0x3d4d0728, 0x2da82313, 0x3d50a25e,
+  0x2db42d74, 0x3d543b37, 0x2dc0388a, 0x3d57d1b3,
+  0x2dcc4454, 0x3d5b65d2, 0x2dd850d2, 0x3d5ef793,
+  0x2de45e03, 0x3d6286f6, 0x2df06be6, 0x3d6613fb,
+  0x2dfc7a7c, 0x3d699ea3, 0x2e0889c4, 0x3d6d26ec,
+  0x2e1499bd, 0x3d70acd7, 0x2e20aa67, 0x3d743064,
+  0x2e2cbbc1, 0x3d77b192, 0x2e38cdcb, 0x3d7b3061,
+  0x2e44e084, 0x3d7eacd2, 0x2e50f3ed, 0x3d8226e4,
+  0x2e5d0804, 0x3d859e96, 0x2e691cc9, 0x3d8913ea,
+  0x2e75323c, 0x3d8c86de, 0x2e81485c, 0x3d8ff772,
+  0x2e8d5f29, 0x3d9365a8, 0x2e9976a1, 0x3d96d17d,
+  0x2ea58ec6, 0x3d9a3af2, 0x2eb1a796, 0x3d9da208,
+  0x2ebdc110, 0x3da106bd, 0x2ec9db35, 0x3da46912,
+  0x2ed5f604, 0x3da7c907, 0x2ee2117c, 0x3dab269b,
+  0x2eee2d9d, 0x3dae81cf, 0x2efa4a67, 0x3db1daa2,
+  0x2f0667d9, 0x3db53113, 0x2f1285f2, 0x3db88524,
+  0x2f1ea4b2, 0x3dbbd6d4, 0x2f2ac419, 0x3dbf2622,
+  0x2f36e426, 0x3dc2730f, 0x2f4304d8, 0x3dc5bd9b,
+  0x2f4f2630, 0x3dc905c5, 0x2f5b482d, 0x3dcc4b8d,
+  0x2f676ace, 0x3dcf8ef3, 0x2f738e12, 0x3dd2cff7,
+  0x2f7fb1fa, 0x3dd60e99, 0x2f8bd685, 0x3dd94ad8,
+  0x2f97fbb2, 0x3ddc84b5, 0x2fa42181, 0x3ddfbc30,
+  0x2fb047f2, 0x3de2f148, 0x2fbc6f03, 0x3de623fd,
+  0x2fc896b5, 0x3de9544f, 0x2fd4bf08, 0x3dec823e,
+  0x2fe0e7f9, 0x3defadca, 0x2fed118a, 0x3df2d6f3,
+  0x2ff93bba, 0x3df5fdb8, 0x30056687, 0x3df9221a,
+  0x301191f3, 0x3dfc4418, 0x301dbdfb, 0x3dff63b2,
+  0x3029eaa1, 0x3e0280e9, 0x303617e2, 0x3e059bbb,
+  0x304245c0, 0x3e08b42a, 0x304e7438, 0x3e0bca34,
+  0x305aa34c, 0x3e0eddd9, 0x3066d2fa, 0x3e11ef1b,
+  0x30730342, 0x3e14fdf7, 0x307f3424, 0x3e180a6f,
+  0x308b659f, 0x3e1b1482, 0x309797b2, 0x3e1e1c30,
+  0x30a3ca5d, 0x3e212179, 0x30affda0, 0x3e24245d,
+  0x30bc317a, 0x3e2724db, 0x30c865ea, 0x3e2a22f4,
+  0x30d49af1, 0x3e2d1ea8, 0x30e0d08d, 0x3e3017f6,
+  0x30ed06bf, 0x3e330ede, 0x30f93d86, 0x3e360360,
+  0x310574e0, 0x3e38f57c, 0x3111accf, 0x3e3be532,
+  0x311de551, 0x3e3ed282, 0x312a1e66, 0x3e41bd6c,
+  0x3136580d, 0x3e44a5ef, 0x31429247, 0x3e478c0b,
+  0x314ecd11, 0x3e4a6fc1, 0x315b086d, 0x3e4d5110,
+  0x31674459, 0x3e502ff9, 0x317380d6, 0x3e530c7a,
+  0x317fbde2, 0x3e55e694, 0x318bfb7d, 0x3e58be47,
+  0x319839a6, 0x3e5b9392, 0x31a4785e, 0x3e5e6676,
+  0x31b0b7a4, 0x3e6136f3, 0x31bcf777, 0x3e640507,
+  0x31c937d6, 0x3e66d0b4, 0x31d578c2, 0x3e6999fa,
+  0x31e1ba3a, 0x3e6c60d7, 0x31edfc3d, 0x3e6f254c,
+  0x31fa3ecb, 0x3e71e759, 0x320681e3, 0x3e74a6fd,
+  0x3212c585, 0x3e77643a, 0x321f09b1, 0x3e7a1f0d,
+  0x322b4e66, 0x3e7cd778, 0x323793a3, 0x3e7f8d7b,
+  0x3243d968, 0x3e824114, 0x32501fb5, 0x3e84f245,
+  0x325c6688, 0x3e87a10c, 0x3268ade3, 0x3e8a4d6a,
+  0x3274f5c3, 0x3e8cf75f, 0x32813e2a, 0x3e8f9eeb,
+  0x328d8715, 0x3e92440d, 0x3299d085, 0x3e94e6c6,
+  0x32a61a7a, 0x3e978715, 0x32b264f2, 0x3e9a24fb,
+  0x32beafed, 0x3e9cc076, 0x32cafb6b, 0x3e9f5988,
+  0x32d7476c, 0x3ea1f02f, 0x32e393ef, 0x3ea4846c,
+  0x32efe0f2, 0x3ea7163f, 0x32fc2e77, 0x3ea9a5a8,
+  0x33087c7d, 0x3eac32a6, 0x3314cb02, 0x3eaebd3a,
+  0x33211a07, 0x3eb14563, 0x332d698a, 0x3eb3cb21,
+  0x3339b98d, 0x3eb64e75, 0x33460a0d, 0x3eb8cf5d,
+  0x33525b0b, 0x3ebb4ddb, 0x335eac86, 0x3ebdc9ed,
+  0x336afe7e, 0x3ec04394, 0x337750f2, 0x3ec2bad0,
+  0x3383a3e2, 0x3ec52fa0, 0x338ff74d, 0x3ec7a205,
+  0x339c4b32, 0x3eca11fe, 0x33a89f92, 0x3ecc7f8b,
+  0x33b4f46c, 0x3eceeaad, 0x33c149bf, 0x3ed15363,
+  0x33cd9f8b, 0x3ed3b9ad, 0x33d9f5cf, 0x3ed61d8a,
+  0x33e64c8c, 0x3ed87efc, 0x33f2a3bf, 0x3edade01,
+  0x33fefb6a, 0x3edd3a9a, 0x340b538b, 0x3edf94c7,
+  0x3417ac22, 0x3ee1ec87, 0x3424052f, 0x3ee441da,
+  0x34305eb0, 0x3ee694c1, 0x343cb8a7, 0x3ee8e53a,
+  0x34491311, 0x3eeb3347, 0x34556def, 0x3eed7ee7,
+  0x3461c940, 0x3eefc81a, 0x346e2504, 0x3ef20ee0,
+  0x347a8139, 0x3ef45338, 0x3486dde1, 0x3ef69523,
+  0x34933afa, 0x3ef8d4a1, 0x349f9884, 0x3efb11b1,
+  0x34abf67e, 0x3efd4c54, 0x34b854e7, 0x3eff8489,
+  0x34c4b3c0, 0x3f01ba50, 0x34d11308, 0x3f03eda9,
+  0x34dd72be, 0x3f061e95, 0x34e9d2e3, 0x3f084d12,
+  0x34f63374, 0x3f0a7921, 0x35029473, 0x3f0ca2c2,
+  0x350ef5de, 0x3f0ec9f5, 0x351b57b5, 0x3f10eeb9,
+  0x3527b9f7, 0x3f13110f, 0x35341ca5, 0x3f1530f7,
+  0x35407fbd, 0x3f174e70, 0x354ce33f, 0x3f19697a,
+  0x3559472b, 0x3f1b8215, 0x3565ab80, 0x3f1d9842,
+  0x3572103d, 0x3f1fabff, 0x357e7563, 0x3f21bd4e,
+  0x358adaf0, 0x3f23cc2e, 0x359740e5, 0x3f25d89e,
+  0x35a3a740, 0x3f27e29f, 0x35b00e02, 0x3f29ea31,
+  0x35bc7529, 0x3f2bef53, 0x35c8dcb6, 0x3f2df206,
+  0x35d544a7, 0x3f2ff24a, 0x35e1acfd, 0x3f31f01d,
+  0x35ee15b7, 0x3f33eb81, 0x35fa7ed4, 0x3f35e476,
+  0x3606e854, 0x3f37dafa, 0x36135237, 0x3f39cf0e,
+  0x361fbc7b, 0x3f3bc0b3, 0x362c2721, 0x3f3dafe7,
+  0x36389228, 0x3f3f9cab, 0x3644fd8f, 0x3f4186ff,
+  0x36516956, 0x3f436ee3, 0x365dd57d, 0x3f455456,
+  0x366a4203, 0x3f473759, 0x3676aee8, 0x3f4917eb,
+  0x36831c2b, 0x3f4af60d, 0x368f89cb, 0x3f4cd1be,
+  0x369bf7c9, 0x3f4eaafe, 0x36a86623, 0x3f5081cd,
+  0x36b4d4d9, 0x3f52562c, 0x36c143ec, 0x3f54281a,
+  0x36cdb359, 0x3f55f796, 0x36da2321, 0x3f57c4a2,
+  0x36e69344, 0x3f598f3c, 0x36f303c0, 0x3f5b5765,
+  0x36ff7496, 0x3f5d1d1d, 0x370be5c4, 0x3f5ee063,
+  0x3718574b, 0x3f60a138, 0x3724c92a, 0x3f625f9b,
+  0x37313b60, 0x3f641b8d, 0x373daded, 0x3f65d50d,
+  0x374a20d0, 0x3f678c1c, 0x3756940a, 0x3f6940b8,
+  0x37630799, 0x3f6af2e3, 0x376f7b7d, 0x3f6ca29c,
+  0x377befb5, 0x3f6e4fe3, 0x37886442, 0x3f6ffab8,
+  0x3794d922, 0x3f71a31b, 0x37a14e55, 0x3f73490b,
+  0x37adc3db, 0x3f74ec8a, 0x37ba39b3, 0x3f768d96,
+  0x37c6afdc, 0x3f782c30, 0x37d32657, 0x3f79c857,
+  0x37df9d22, 0x3f7b620c, 0x37ec143e, 0x3f7cf94e,
+  0x37f88ba9, 0x3f7e8e1e, 0x38050364, 0x3f80207b,
+  0x38117b6d, 0x3f81b065, 0x381df3c5, 0x3f833ddd,
+  0x382a6c6a, 0x3f84c8e2, 0x3836e55d, 0x3f865174,
+  0x38435e9d, 0x3f87d792, 0x384fd829, 0x3f895b3e,
+  0x385c5201, 0x3f8adc77, 0x3868cc24, 0x3f8c5b3d,
+  0x38754692, 0x3f8dd78f, 0x3881c14b, 0x3f8f516e,
+  0x388e3c4d, 0x3f90c8da, 0x389ab799, 0x3f923dd2,
+  0x38a7332e, 0x3f93b058, 0x38b3af0c, 0x3f952069,
+  0x38c02b31, 0x3f968e07, 0x38cca79e, 0x3f97f932,
+  0x38d92452, 0x3f9961e8, 0x38e5a14d, 0x3f9ac82c,
+  0x38f21e8e, 0x3f9c2bfb, 0x38fe9c15, 0x3f9d8d56,
+  0x390b19e0, 0x3f9eec3e, 0x391797f0, 0x3fa048b2,
+  0x39241645, 0x3fa1a2b2, 0x393094dd, 0x3fa2fa3d,
+  0x393d13b8, 0x3fa44f55, 0x394992d7, 0x3fa5a1f9,
+  0x39561237, 0x3fa6f228, 0x396291d9, 0x3fa83fe3,
+  0x396f11bc, 0x3fa98b2a, 0x397b91e1, 0x3faad3fd,
+  0x39881245, 0x3fac1a5b, 0x399492ea, 0x3fad5e45,
+  0x39a113cd, 0x3fae9fbb, 0x39ad94f0, 0x3fafdebb,
+  0x39ba1651, 0x3fb11b48, 0x39c697f0, 0x3fb2555f,
+  0x39d319cc, 0x3fb38d02, 0x39df9be6, 0x3fb4c231,
+  0x39ec1e3b, 0x3fb5f4ea, 0x39f8a0cd, 0x3fb7252f,
+  0x3a05239a, 0x3fb852ff, 0x3a11a6a3, 0x3fb97e5a,
+  0x3a1e29e5, 0x3fbaa740, 0x3a2aad62, 0x3fbbcdb1,
+  0x3a373119, 0x3fbcf1ad, 0x3a43b508, 0x3fbe1334,
+  0x3a503930, 0x3fbf3246, 0x3a5cbd91, 0x3fc04ee3,
+  0x3a694229, 0x3fc1690a, 0x3a75c6f8, 0x3fc280bc,
+  0x3a824bfd, 0x3fc395f9, 0x3a8ed139, 0x3fc4a8c1,
+  0x3a9b56ab, 0x3fc5b913, 0x3aa7dc52, 0x3fc6c6f0,
+  0x3ab4622d, 0x3fc7d258, 0x3ac0e83d, 0x3fc8db4a,
+  0x3acd6e81, 0x3fc9e1c6, 0x3ad9f4f8, 0x3fcae5cd,
+  0x3ae67ba2, 0x3fcbe75e, 0x3af3027e, 0x3fcce67a,
+  0x3aff898c, 0x3fcde320, 0x3b0c10cb, 0x3fcedd50,
+  0x3b18983b, 0x3fcfd50b, 0x3b251fdc, 0x3fd0ca4f,
+  0x3b31a7ac, 0x3fd1bd1e, 0x3b3e2fac, 0x3fd2ad77,
+  0x3b4ab7db, 0x3fd39b5a, 0x3b574039, 0x3fd486c7,
+  0x3b63c8c4, 0x3fd56fbe, 0x3b70517d, 0x3fd6563f,
+  0x3b7cda63, 0x3fd73a4a, 0x3b896375, 0x3fd81bdf,
+  0x3b95ecb4, 0x3fd8fafe, 0x3ba2761e, 0x3fd9d7a7,
+  0x3baeffb3, 0x3fdab1d9, 0x3bbb8973, 0x3fdb8996,
+  0x3bc8135c, 0x3fdc5edc, 0x3bd49d70, 0x3fdd31ac,
+  0x3be127ac, 0x3fde0205, 0x3bedb212, 0x3fdecfe8,
+  0x3bfa3c9f, 0x3fdf9b55, 0x3c06c754, 0x3fe0644b,
+  0x3c135231, 0x3fe12acb, 0x3c1fdd34, 0x3fe1eed5,
+  0x3c2c685d, 0x3fe2b067, 0x3c38f3ac, 0x3fe36f84,
+  0x3c457f21, 0x3fe42c2a, 0x3c520aba, 0x3fe4e659,
+  0x3c5e9678, 0x3fe59e12, 0x3c6b2259, 0x3fe65354,
+  0x3c77ae5e, 0x3fe7061f, 0x3c843a85, 0x3fe7b674,
+  0x3c90c6cf, 0x3fe86452, 0x3c9d533b, 0x3fe90fb9,
+  0x3ca9dfc8, 0x3fe9b8a9, 0x3cb66c77, 0x3fea5f23,
+  0x3cc2f945, 0x3feb0326, 0x3ccf8634, 0x3feba4b2,
+  0x3cdc1342, 0x3fec43c7, 0x3ce8a06f, 0x3fece065,
+  0x3cf52dbb, 0x3fed7a8c, 0x3d01bb24, 0x3fee123d,
+  0x3d0e48ab, 0x3feea776, 0x3d1ad650, 0x3fef3a39,
+  0x3d276410, 0x3fefca84, 0x3d33f1ed, 0x3ff05858,
+  0x3d407fe6, 0x3ff0e3b6, 0x3d4d0df9, 0x3ff16c9c,
+  0x3d599c28, 0x3ff1f30b, 0x3d662a70, 0x3ff27703,
+  0x3d72b8d2, 0x3ff2f884, 0x3d7f474d, 0x3ff3778e,
+  0x3d8bd5e1, 0x3ff3f420, 0x3d98648d, 0x3ff46e3c,
+  0x3da4f351, 0x3ff4e5e0, 0x3db1822c, 0x3ff55b0d,
+  0x3dbe111e, 0x3ff5cdc3, 0x3dcaa027, 0x3ff63e01,
+  0x3dd72f45, 0x3ff6abc8, 0x3de3be78, 0x3ff71718,
+  0x3df04dc0, 0x3ff77ff1, 0x3dfcdd1d, 0x3ff7e652,
+  0x3e096c8d, 0x3ff84a3c, 0x3e15fc11, 0x3ff8abae,
+  0x3e228ba7, 0x3ff90aaa, 0x3e2f1b50, 0x3ff9672d,
+  0x3e3bab0b, 0x3ff9c13a, 0x3e483ad8, 0x3ffa18cf,
+  0x3e54cab5, 0x3ffa6dec, 0x3e615aa3, 0x3ffac092,
+  0x3e6deaa1, 0x3ffb10c1, 0x3e7a7aae, 0x3ffb5e78,
+  0x3e870aca, 0x3ffba9b8, 0x3e939af5, 0x3ffbf280,
+  0x3ea02b2e, 0x3ffc38d1, 0x3eacbb74, 0x3ffc7caa,
+  0x3eb94bc8, 0x3ffcbe0c, 0x3ec5dc28, 0x3ffcfcf6,
+  0x3ed26c94, 0x3ffd3969, 0x3edefd0c, 0x3ffd7364,
+  0x3eeb8d8f, 0x3ffdaae7, 0x3ef81e1d, 0x3ffddff3,
+  0x3f04aeb5, 0x3ffe1288, 0x3f113f56, 0x3ffe42a4,
+  0x3f1dd001, 0x3ffe704a, 0x3f2a60b4, 0x3ffe9b77,
+  0x3f36f170, 0x3ffec42d, 0x3f438234, 0x3ffeea6c,
+  0x3f5012fe, 0x3fff0e32, 0x3f5ca3d0, 0x3fff2f82,
+  0x3f6934a8, 0x3fff4e59, 0x3f75c585, 0x3fff6ab9,
+  0x3f825668, 0x3fff84a1, 0x3f8ee750, 0x3fff9c12,
+  0x3f9b783c, 0x3fffb10b, 0x3fa8092c, 0x3fffc38c,
+  0x3fb49a1f, 0x3fffd396, 0x3fc12b16, 0x3fffe128,
+  0x3fcdbc0f, 0x3fffec43, 0x3fda4d09, 0x3ffff4e6,
+  0x3fe6de05, 0x3ffffb11, 0x3ff36f02, 0x3ffffec4,
+};
+
+
+/**    
+* \par   
+* Generation of realCoefBQ31 array:    
+* \par    
+*  n = 4096        
+* 
for (i = 0; i < n; i++)    
+* {    
+*    pBTable[2 * i] = 0.5 * (1.0 + sin (2 * PI / (double) (2 * n) * (double) i));    
+*    pBTable[2 * i + 1] = 0.5 * (1.0 * cos (2 * PI / (double) (2 * n) * (double) i));    
+* } 
    
+* \par    
+* Convert to fixed point Q31 format    
+*     round(pBTable[i] * pow(2, 31))    
+*    
+*/
+
+static const q31_t realCoefBQ31[8192] = {
+  0x40000000, 0x40000000, 0x400c90fe, 0x3ffffec4,
+  0x401921fb, 0x3ffffb11, 0x4025b2f7, 0x3ffff4e6,
+  0x403243f1, 0x3fffec43, 0x403ed4ea, 0x3fffe128,
+  0x404b65e1, 0x3fffd396, 0x4057f6d4, 0x3fffc38c,
+  0x406487c4, 0x3fffb10b, 0x407118b0, 0x3fff9c12,
+  0x407da998, 0x3fff84a1, 0x408a3a7b, 0x3fff6ab9,
+  0x4096cb58, 0x3fff4e59, 0x40a35c30, 0x3fff2f82,
+  0x40afed02, 0x3fff0e32, 0x40bc7dcc, 0x3ffeea6c,
+  0x40c90e90, 0x3ffec42d, 0x40d59f4c, 0x3ffe9b77,
+  0x40e22fff, 0x3ffe704a, 0x40eec0aa, 0x3ffe42a4,
+  0x40fb514b, 0x3ffe1288, 0x4107e1e3, 0x3ffddff3,
+  0x41147271, 0x3ffdaae7, 0x412102f4, 0x3ffd7364,
+  0x412d936c, 0x3ffd3969, 0x413a23d8, 0x3ffcfcf6,
+  0x4146b438, 0x3ffcbe0c, 0x4153448c, 0x3ffc7caa,
+  0x415fd4d2, 0x3ffc38d1, 0x416c650b, 0x3ffbf280,
+  0x4178f536, 0x3ffba9b8, 0x41858552, 0x3ffb5e78,
+  0x4192155f, 0x3ffb10c1, 0x419ea55d, 0x3ffac092,
+  0x41ab354b, 0x3ffa6dec, 0x41b7c528, 0x3ffa18cf,
+  0x41c454f5, 0x3ff9c13a, 0x41d0e4b0, 0x3ff9672d,
+  0x41dd7459, 0x3ff90aaa, 0x41ea03ef, 0x3ff8abae,
+  0x41f69373, 0x3ff84a3c, 0x420322e3, 0x3ff7e652,
+  0x420fb240, 0x3ff77ff1, 0x421c4188, 0x3ff71718,
+  0x4228d0bb, 0x3ff6abc8, 0x42355fd9, 0x3ff63e01,
+  0x4241eee2, 0x3ff5cdc3, 0x424e7dd4, 0x3ff55b0d,
+  0x425b0caf, 0x3ff4e5e0, 0x42679b73, 0x3ff46e3c,
+  0x42742a1f, 0x3ff3f420, 0x4280b8b3, 0x3ff3778e,
+  0x428d472e, 0x3ff2f884, 0x4299d590, 0x3ff27703,
+  0x42a663d8, 0x3ff1f30b, 0x42b2f207, 0x3ff16c9c,
+  0x42bf801a, 0x3ff0e3b6, 0x42cc0e13, 0x3ff05858,
+  0x42d89bf0, 0x3fefca84, 0x42e529b0, 0x3fef3a39,
+  0x42f1b755, 0x3feea776, 0x42fe44dc, 0x3fee123d,
+  0x430ad245, 0x3fed7a8c, 0x43175f91, 0x3fece065,
+  0x4323ecbe, 0x3fec43c7, 0x433079cc, 0x3feba4b2,
+  0x433d06bb, 0x3feb0326, 0x43499389, 0x3fea5f23,
+  0x43562038, 0x3fe9b8a9, 0x4362acc5, 0x3fe90fb9,
+  0x436f3931, 0x3fe86452, 0x437bc57b, 0x3fe7b674,
+  0x438851a2, 0x3fe7061f, 0x4394dda7, 0x3fe65354,
+  0x43a16988, 0x3fe59e12, 0x43adf546, 0x3fe4e659,
+  0x43ba80df, 0x3fe42c2a, 0x43c70c54, 0x3fe36f84,
+  0x43d397a3, 0x3fe2b067, 0x43e022cc, 0x3fe1eed5,
+  0x43ecadcf, 0x3fe12acb, 0x43f938ac, 0x3fe0644b,
+  0x4405c361, 0x3fdf9b55, 0x44124dee, 0x3fdecfe8,
+  0x441ed854, 0x3fde0205, 0x442b6290, 0x3fdd31ac,
+  0x4437eca4, 0x3fdc5edc, 0x4444768d, 0x3fdb8996,
+  0x4451004d, 0x3fdab1d9, 0x445d89e2, 0x3fd9d7a7,
+  0x446a134c, 0x3fd8fafe, 0x44769c8b, 0x3fd81bdf,
+  0x4483259d, 0x3fd73a4a, 0x448fae83, 0x3fd6563f,
+  0x449c373c, 0x3fd56fbe, 0x44a8bfc7, 0x3fd486c7,
+  0x44b54825, 0x3fd39b5a, 0x44c1d054, 0x3fd2ad77,
+  0x44ce5854, 0x3fd1bd1e, 0x44dae024, 0x3fd0ca4f,
+  0x44e767c5, 0x3fcfd50b, 0x44f3ef35, 0x3fcedd50,
+  0x45007674, 0x3fcde320, 0x450cfd82, 0x3fcce67a,
+  0x4519845e, 0x3fcbe75e, 0x45260b08, 0x3fcae5cd,
+  0x4532917f, 0x3fc9e1c6, 0x453f17c3, 0x3fc8db4a,
+  0x454b9dd3, 0x3fc7d258, 0x455823ae, 0x3fc6c6f0,
+  0x4564a955, 0x3fc5b913, 0x45712ec7, 0x3fc4a8c1,
+  0x457db403, 0x3fc395f9, 0x458a3908, 0x3fc280bc,
+  0x4596bdd7, 0x3fc1690a, 0x45a3426f, 0x3fc04ee3,
+  0x45afc6d0, 0x3fbf3246, 0x45bc4af8, 0x3fbe1334,
+  0x45c8cee7, 0x3fbcf1ad, 0x45d5529e, 0x3fbbcdb1,
+  0x45e1d61b, 0x3fbaa740, 0x45ee595d, 0x3fb97e5a,
+  0x45fadc66, 0x3fb852ff, 0x46075f33, 0x3fb7252f,
+  0x4613e1c5, 0x3fb5f4ea, 0x4620641a, 0x3fb4c231,
+  0x462ce634, 0x3fb38d02, 0x46396810, 0x3fb2555f,
+  0x4645e9af, 0x3fb11b48, 0x46526b10, 0x3fafdebb,
+  0x465eec33, 0x3fae9fbb, 0x466b6d16, 0x3fad5e45,
+  0x4677edbb, 0x3fac1a5b, 0x46846e1f, 0x3faad3fd,
+  0x4690ee44, 0x3fa98b2a, 0x469d6e27, 0x3fa83fe3,
+  0x46a9edc9, 0x3fa6f228, 0x46b66d29, 0x3fa5a1f9,
+  0x46c2ec48, 0x3fa44f55, 0x46cf6b23, 0x3fa2fa3d,
+  0x46dbe9bb, 0x3fa1a2b2, 0x46e86810, 0x3fa048b2,
+  0x46f4e620, 0x3f9eec3e, 0x470163eb, 0x3f9d8d56,
+  0x470de172, 0x3f9c2bfb, 0x471a5eb3, 0x3f9ac82c,
+  0x4726dbae, 0x3f9961e8, 0x47335862, 0x3f97f932,
+  0x473fd4cf, 0x3f968e07, 0x474c50f4, 0x3f952069,
+  0x4758ccd2, 0x3f93b058, 0x47654867, 0x3f923dd2,
+  0x4771c3b3, 0x3f90c8da, 0x477e3eb5, 0x3f8f516e,
+  0x478ab96e, 0x3f8dd78f, 0x479733dc, 0x3f8c5b3d,
+  0x47a3adff, 0x3f8adc77, 0x47b027d7, 0x3f895b3e,
+  0x47bca163, 0x3f87d792, 0x47c91aa3, 0x3f865174,
+  0x47d59396, 0x3f84c8e2, 0x47e20c3b, 0x3f833ddd,
+  0x47ee8493, 0x3f81b065, 0x47fafc9c, 0x3f80207b,
+  0x48077457, 0x3f7e8e1e, 0x4813ebc2, 0x3f7cf94e,
+  0x482062de, 0x3f7b620c, 0x482cd9a9, 0x3f79c857,
+  0x48395024, 0x3f782c30, 0x4845c64d, 0x3f768d96,
+  0x48523c25, 0x3f74ec8a, 0x485eb1ab, 0x3f73490b,
+  0x486b26de, 0x3f71a31b, 0x48779bbe, 0x3f6ffab8,
+  0x4884104b, 0x3f6e4fe3, 0x48908483, 0x3f6ca29c,
+  0x489cf867, 0x3f6af2e3, 0x48a96bf6, 0x3f6940b8,
+  0x48b5df30, 0x3f678c1c, 0x48c25213, 0x3f65d50d,
+  0x48cec4a0, 0x3f641b8d, 0x48db36d6, 0x3f625f9b,
+  0x48e7a8b5, 0x3f60a138, 0x48f41a3c, 0x3f5ee063,
+  0x49008b6a, 0x3f5d1d1d, 0x490cfc40, 0x3f5b5765,
+  0x49196cbc, 0x3f598f3c, 0x4925dcdf, 0x3f57c4a2,
+  0x49324ca7, 0x3f55f796, 0x493ebc14, 0x3f54281a,
+  0x494b2b27, 0x3f52562c, 0x495799dd, 0x3f5081cd,
+  0x49640837, 0x3f4eaafe, 0x49707635, 0x3f4cd1be,
+  0x497ce3d5, 0x3f4af60d, 0x49895118, 0x3f4917eb,
+  0x4995bdfd, 0x3f473759, 0x49a22a83, 0x3f455456,
+  0x49ae96aa, 0x3f436ee3, 0x49bb0271, 0x3f4186ff,
+  0x49c76dd8, 0x3f3f9cab, 0x49d3d8df, 0x3f3dafe7,
+  0x49e04385, 0x3f3bc0b3, 0x49ecadc9, 0x3f39cf0e,
+  0x49f917ac, 0x3f37dafa, 0x4a05812c, 0x3f35e476,
+  0x4a11ea49, 0x3f33eb81, 0x4a1e5303, 0x3f31f01d,
+  0x4a2abb59, 0x3f2ff24a, 0x4a37234a, 0x3f2df206,
+  0x4a438ad7, 0x3f2bef53, 0x4a4ff1fe, 0x3f29ea31,
+  0x4a5c58c0, 0x3f27e29f, 0x4a68bf1b, 0x3f25d89e,
+  0x4a752510, 0x3f23cc2e, 0x4a818a9d, 0x3f21bd4e,
+  0x4a8defc3, 0x3f1fabff, 0x4a9a5480, 0x3f1d9842,
+  0x4aa6b8d5, 0x3f1b8215, 0x4ab31cc1, 0x3f19697a,
+  0x4abf8043, 0x3f174e70, 0x4acbe35b, 0x3f1530f7,
+  0x4ad84609, 0x3f13110f, 0x4ae4a84b, 0x3f10eeb9,
+  0x4af10a22, 0x3f0ec9f5, 0x4afd6b8d, 0x3f0ca2c2,
+  0x4b09cc8c, 0x3f0a7921, 0x4b162d1d, 0x3f084d12,
+  0x4b228d42, 0x3f061e95, 0x4b2eecf8, 0x3f03eda9,
+  0x4b3b4c40, 0x3f01ba50, 0x4b47ab19, 0x3eff8489,
+  0x4b540982, 0x3efd4c54, 0x4b60677c, 0x3efb11b1,
+  0x4b6cc506, 0x3ef8d4a1, 0x4b79221f, 0x3ef69523,
+  0x4b857ec7, 0x3ef45338, 0x4b91dafc, 0x3ef20ee0,
+  0x4b9e36c0, 0x3eefc81a, 0x4baa9211, 0x3eed7ee7,
+  0x4bb6ecef, 0x3eeb3347, 0x4bc34759, 0x3ee8e53a,
+  0x4bcfa150, 0x3ee694c1, 0x4bdbfad1, 0x3ee441da,
+  0x4be853de, 0x3ee1ec87, 0x4bf4ac75, 0x3edf94c7,
+  0x4c010496, 0x3edd3a9a, 0x4c0d5c41, 0x3edade01,
+  0x4c19b374, 0x3ed87efc, 0x4c260a31, 0x3ed61d8a,
+  0x4c326075, 0x3ed3b9ad, 0x4c3eb641, 0x3ed15363,
+  0x4c4b0b94, 0x3eceeaad, 0x4c57606e, 0x3ecc7f8b,
+  0x4c63b4ce, 0x3eca11fe, 0x4c7008b3, 0x3ec7a205,
+  0x4c7c5c1e, 0x3ec52fa0, 0x4c88af0e, 0x3ec2bad0,
+  0x4c950182, 0x3ec04394, 0x4ca1537a, 0x3ebdc9ed,
+  0x4cada4f5, 0x3ebb4ddb, 0x4cb9f5f3, 0x3eb8cf5d,
+  0x4cc64673, 0x3eb64e75, 0x4cd29676, 0x3eb3cb21,
+  0x4cdee5f9, 0x3eb14563, 0x4ceb34fe, 0x3eaebd3a,
+  0x4cf78383, 0x3eac32a6, 0x4d03d189, 0x3ea9a5a8,
+  0x4d101f0e, 0x3ea7163f, 0x4d1c6c11, 0x3ea4846c,
+  0x4d28b894, 0x3ea1f02f, 0x4d350495, 0x3e9f5988,
+  0x4d415013, 0x3e9cc076, 0x4d4d9b0e, 0x3e9a24fb,
+  0x4d59e586, 0x3e978715, 0x4d662f7b, 0x3e94e6c6,
+  0x4d7278eb, 0x3e92440d, 0x4d7ec1d6, 0x3e8f9eeb,
+  0x4d8b0a3d, 0x3e8cf75f, 0x4d97521d, 0x3e8a4d6a,
+  0x4da39978, 0x3e87a10c, 0x4dafe04b, 0x3e84f245,
+  0x4dbc2698, 0x3e824114, 0x4dc86c5d, 0x3e7f8d7b,
+  0x4dd4b19a, 0x3e7cd778, 0x4de0f64f, 0x3e7a1f0d,
+  0x4ded3a7b, 0x3e77643a, 0x4df97e1d, 0x3e74a6fd,
+  0x4e05c135, 0x3e71e759, 0x4e1203c3, 0x3e6f254c,
+  0x4e1e45c6, 0x3e6c60d7, 0x4e2a873e, 0x3e6999fa,
+  0x4e36c82a, 0x3e66d0b4, 0x4e430889, 0x3e640507,
+  0x4e4f485c, 0x3e6136f3, 0x4e5b87a2, 0x3e5e6676,
+  0x4e67c65a, 0x3e5b9392, 0x4e740483, 0x3e58be47,
+  0x4e80421e, 0x3e55e694, 0x4e8c7f2a, 0x3e530c7a,
+  0x4e98bba7, 0x3e502ff9, 0x4ea4f793, 0x3e4d5110,
+  0x4eb132ef, 0x3e4a6fc1, 0x4ebd6db9, 0x3e478c0b,
+  0x4ec9a7f3, 0x3e44a5ef, 0x4ed5e19a, 0x3e41bd6c,
+  0x4ee21aaf, 0x3e3ed282, 0x4eee5331, 0x3e3be532,
+  0x4efa8b20, 0x3e38f57c, 0x4f06c27a, 0x3e360360,
+  0x4f12f941, 0x3e330ede, 0x4f1f2f73, 0x3e3017f6,
+  0x4f2b650f, 0x3e2d1ea8, 0x4f379a16, 0x3e2a22f4,
+  0x4f43ce86, 0x3e2724db, 0x4f500260, 0x3e24245d,
+  0x4f5c35a3, 0x3e212179, 0x4f68684e, 0x3e1e1c30,
+  0x4f749a61, 0x3e1b1482, 0x4f80cbdc, 0x3e180a6f,
+  0x4f8cfcbe, 0x3e14fdf7, 0x4f992d06, 0x3e11ef1b,
+  0x4fa55cb4, 0x3e0eddd9, 0x4fb18bc8, 0x3e0bca34,
+  0x4fbdba40, 0x3e08b42a, 0x4fc9e81e, 0x3e059bbb,
+  0x4fd6155f, 0x3e0280e9, 0x4fe24205, 0x3dff63b2,
+  0x4fee6e0d, 0x3dfc4418, 0x4ffa9979, 0x3df9221a,
+  0x5006c446, 0x3df5fdb8, 0x5012ee76, 0x3df2d6f3,
+  0x501f1807, 0x3defadca, 0x502b40f8, 0x3dec823e,
+  0x5037694b, 0x3de9544f, 0x504390fd, 0x3de623fd,
+  0x504fb80e, 0x3de2f148, 0x505bde7f, 0x3ddfbc30,
+  0x5068044e, 0x3ddc84b5, 0x5074297b, 0x3dd94ad8,
+  0x50804e06, 0x3dd60e99, 0x508c71ee, 0x3dd2cff7,
+  0x50989532, 0x3dcf8ef3, 0x50a4b7d3, 0x3dcc4b8d,
+  0x50b0d9d0, 0x3dc905c5, 0x50bcfb28, 0x3dc5bd9b,
+  0x50c91bda, 0x3dc2730f, 0x50d53be7, 0x3dbf2622,
+  0x50e15b4e, 0x3dbbd6d4, 0x50ed7a0e, 0x3db88524,
+  0x50f99827, 0x3db53113, 0x5105b599, 0x3db1daa2,
+  0x5111d263, 0x3dae81cf, 0x511dee84, 0x3dab269b,
+  0x512a09fc, 0x3da7c907, 0x513624cb, 0x3da46912,
+  0x51423ef0, 0x3da106bd, 0x514e586a, 0x3d9da208,
+  0x515a713a, 0x3d9a3af2, 0x5166895f, 0x3d96d17d,
+  0x5172a0d7, 0x3d9365a8, 0x517eb7a4, 0x3d8ff772,
+  0x518acdc4, 0x3d8c86de, 0x5196e337, 0x3d8913ea,
+  0x51a2f7fc, 0x3d859e96, 0x51af0c13, 0x3d8226e4,
+  0x51bb1f7c, 0x3d7eacd2, 0x51c73235, 0x3d7b3061,
+  0x51d3443f, 0x3d77b192, 0x51df5599, 0x3d743064,
+  0x51eb6643, 0x3d70acd7, 0x51f7763c, 0x3d6d26ec,
+  0x52038584, 0x3d699ea3, 0x520f941a, 0x3d6613fb,
+  0x521ba1fd, 0x3d6286f6, 0x5227af2e, 0x3d5ef793,
+  0x5233bbac, 0x3d5b65d2, 0x523fc776, 0x3d57d1b3,
+  0x524bd28c, 0x3d543b37, 0x5257dced, 0x3d50a25e,
+  0x5263e699, 0x3d4d0728, 0x526fef90, 0x3d496994,
+  0x527bf7d1, 0x3d45c9a4, 0x5287ff5b, 0x3d422757,
+  0x5294062f, 0x3d3e82ae, 0x52a00c4b, 0x3d3adba7,
+  0x52ac11af, 0x3d373245, 0x52b8165b, 0x3d338687,
+  0x52c41a4f, 0x3d2fd86c, 0x52d01d89, 0x3d2c27f6,
+  0x52dc2009, 0x3d287523, 0x52e821cf, 0x3d24bff6,
+  0x52f422db, 0x3d21086c, 0x5300232c, 0x3d1d4e88,
+  0x530c22c1, 0x3d199248, 0x5318219a, 0x3d15d3ad,
+  0x53241fb6, 0x3d1212b7, 0x53301d16, 0x3d0e4f67,
+  0x533c19b8, 0x3d0a89bc, 0x5348159d, 0x3d06c1b6,
+  0x535410c3, 0x3d02f757, 0x53600b2a, 0x3cff2a9d,
+  0x536c04d2, 0x3cfb5b89, 0x5377fdbb, 0x3cf78a1b,
+  0x5383f5e3, 0x3cf3b653, 0x538fed4b, 0x3cefe032,
+  0x539be3f2, 0x3cec07b8, 0x53a7d9d7, 0x3ce82ce4,
+  0x53b3cefa, 0x3ce44fb7, 0x53bfc35b, 0x3ce07031,
+  0x53cbb6f8, 0x3cdc8e52, 0x53d7a9d3, 0x3cd8aa1b,
+  0x53e39be9, 0x3cd4c38b, 0x53ef8d3c, 0x3cd0daa2,
+  0x53fb7dc9, 0x3cccef62, 0x54076d91, 0x3cc901c9,
+  0x54135c94, 0x3cc511d9, 0x541f4ad1, 0x3cc11f90,
+  0x542b3846, 0x3cbd2af0, 0x543724f5, 0x3cb933f9,
+  0x544310dd, 0x3cb53aaa, 0x544efbfc, 0x3cb13f04,
+  0x545ae653, 0x3cad4107, 0x5466cfe1, 0x3ca940b3,
+  0x5472b8a5, 0x3ca53e09, 0x547ea0a0, 0x3ca13908,
+  0x548a87d1, 0x3c9d31b0, 0x54966e36, 0x3c992803,
+  0x54a253d1, 0x3c951bff, 0x54ae38a0, 0x3c910da5,
+  0x54ba1ca3, 0x3c8cfcf6, 0x54c5ffd9, 0x3c88e9f1,
+  0x54d1e242, 0x3c84d496, 0x54ddc3de, 0x3c80bce7,
+  0x54e9a4ac, 0x3c7ca2e2, 0x54f584ac, 0x3c788688,
+  0x550163dc, 0x3c7467d9, 0x550d423d, 0x3c7046d6,
+  0x55191fcf, 0x3c6c237e, 0x5524fc90, 0x3c67fdd1,
+  0x5530d881, 0x3c63d5d1, 0x553cb3a0, 0x3c5fab7c,
+  0x55488dee, 0x3c5b7ed4, 0x5554676a, 0x3c574fd8,
+  0x55604013, 0x3c531e88, 0x556c17e9, 0x3c4eeae5,
+  0x5577eeec, 0x3c4ab4ef, 0x5583c51b, 0x3c467ca6,
+  0x558f9a76, 0x3c42420a, 0x559b6efb, 0x3c3e051b,
+  0x55a742ac, 0x3c39c5da, 0x55b31587, 0x3c358446,
+  0x55bee78c, 0x3c314060, 0x55cab8ba, 0x3c2cfa28,
+  0x55d68911, 0x3c28b19e, 0x55e25890, 0x3c2466c2,
+  0x55ee2738, 0x3c201994, 0x55f9f507, 0x3c1bca16,
+  0x5605c1fd, 0x3c177845, 0x56118e1a, 0x3c132424,
+  0x561d595d, 0x3c0ecdb2, 0x562923c5, 0x3c0a74f0,
+  0x5634ed53, 0x3c0619dc, 0x5640b606, 0x3c01bc78,
+  0x564c7ddd, 0x3bfd5cc4, 0x565844d8, 0x3bf8fac0,
+  0x56640af7, 0x3bf4966c, 0x566fd039, 0x3bf02fc9,
+  0x567b949d, 0x3bebc6d5, 0x56875823, 0x3be75b93,
+  0x56931acb, 0x3be2ee01, 0x569edc94, 0x3bde7e20,
+  0x56aa9d7e, 0x3bda0bf0, 0x56b65d88, 0x3bd59771,
+  0x56c21cb2, 0x3bd120a4, 0x56cddafb, 0x3bcca789,
+  0x56d99864, 0x3bc82c1f, 0x56e554ea, 0x3bc3ae67,
+  0x56f1108f, 0x3bbf2e62, 0x56fccb51, 0x3bbaac0e,
+  0x57088531, 0x3bb6276e, 0x57143e2d, 0x3bb1a080,
+  0x571ff646, 0x3bad1744, 0x572bad7a, 0x3ba88bbc,
+  0x573763c9, 0x3ba3fde7, 0x57431933, 0x3b9f6dc5,
+  0x574ecdb8, 0x3b9adb57, 0x575a8157, 0x3b96469d,
+  0x5766340f, 0x3b91af97, 0x5771e5e0, 0x3b8d1644,
+  0x577d96ca, 0x3b887aa6, 0x578946cc, 0x3b83dcbc,
+  0x5794f5e6, 0x3b7f3c87, 0x57a0a417, 0x3b7a9a07,
+  0x57ac515f, 0x3b75f53c, 0x57b7fdbd, 0x3b714e25,
+  0x57c3a931, 0x3b6ca4c4, 0x57cf53bb, 0x3b67f919,
+  0x57dafd59, 0x3b634b23, 0x57e6a60c, 0x3b5e9ae4,
+  0x57f24dd3, 0x3b59e85a, 0x57fdf4ae, 0x3b553386,
+  0x58099a9c, 0x3b507c69, 0x58153f9d, 0x3b4bc303,
+  0x5820e3b0, 0x3b470753, 0x582c86d5, 0x3b42495a,
+  0x5838290c, 0x3b3d8918, 0x5843ca53, 0x3b38c68e,
+  0x584f6aab, 0x3b3401bb, 0x585b0a13, 0x3b2f3aa0,
+  0x5866a88a, 0x3b2a713d, 0x58724611, 0x3b25a591,
+  0x587de2a7, 0x3b20d79e, 0x58897e4a, 0x3b1c0764,
+  0x589518fc, 0x3b1734e2, 0x58a0b2bb, 0x3b126019,
+  0x58ac4b87, 0x3b0d8909, 0x58b7e35f, 0x3b08afb2,
+  0x58c37a44, 0x3b03d414, 0x58cf1034, 0x3afef630,
+  0x58daa52f, 0x3afa1605, 0x58e63935, 0x3af53395,
+  0x58f1cc45, 0x3af04edf, 0x58fd5e5f, 0x3aeb67e3,
+  0x5908ef82, 0x3ae67ea1, 0x59147fae, 0x3ae1931a,
+  0x59200ee3, 0x3adca54e, 0x592b9d1f, 0x3ad7b53d,
+  0x59372a64, 0x3ad2c2e8, 0x5942b6af, 0x3acdce4d,
+  0x594e4201, 0x3ac8d76f, 0x5959cc5a, 0x3ac3de4c,
+  0x596555b8, 0x3abee2e5, 0x5970de1b, 0x3ab9e53a,
+  0x597c6584, 0x3ab4e54c, 0x5987ebf0, 0x3aafe31b,
+  0x59937161, 0x3aaadea6, 0x599ef5d6, 0x3aa5d7ee,
+  0x59aa794d, 0x3aa0cef3, 0x59b5fbc8, 0x3a9bc3b6,
+  0x59c17d44, 0x3a96b636, 0x59ccfdc2, 0x3a91a674,
+  0x59d87d42, 0x3a8c9470, 0x59e3fbc3, 0x3a87802a,
+  0x59ef7944, 0x3a8269a3, 0x59faf5c5, 0x3a7d50da,
+  0x5a067145, 0x3a7835cf, 0x5a11ebc5, 0x3a731884,
+  0x5a1d6544, 0x3a6df8f8, 0x5a28ddc0, 0x3a68d72b,
+  0x5a34553b, 0x3a63b31d, 0x5a3fcbb3, 0x3a5e8cd0,
+  0x5a4b4128, 0x3a596442, 0x5a56b599, 0x3a543974,
+  0x5a622907, 0x3a4f0c67, 0x5a6d9b70, 0x3a49dd1a,
+  0x5a790cd4, 0x3a44ab8e, 0x5a847d33, 0x3a3f77c3,
+  0x5a8fec8c, 0x3a3a41b9, 0x5a9b5adf, 0x3a350970,
+  0x5aa6c82b, 0x3a2fcee8, 0x5ab23471, 0x3a2a9223,
+  0x5abd9faf, 0x3a25531f, 0x5ac909e5, 0x3a2011de,
+  0x5ad47312, 0x3a1ace5f, 0x5adfdb37, 0x3a1588a2,
+  0x5aeb4253, 0x3a1040a8, 0x5af6a865, 0x3a0af671,
+  0x5b020d6c, 0x3a05a9fd, 0x5b0d716a, 0x3a005b4d,
+  0x5b18d45c, 0x39fb0a60, 0x5b243643, 0x39f5b737,
+  0x5b2f971e, 0x39f061d2, 0x5b3af6ec, 0x39eb0a31,
+  0x5b4655ae, 0x39e5b054, 0x5b51b363, 0x39e0543c,
+  0x5b5d100a, 0x39daf5e8, 0x5b686ba3, 0x39d5955a,
+  0x5b73c62d, 0x39d03291, 0x5b7f1fa9, 0x39cacd8d,
+  0x5b8a7815, 0x39c5664f, 0x5b95cf71, 0x39bffcd7,
+  0x5ba125bd, 0x39ba9125, 0x5bac7af9, 0x39b52339,
+  0x5bb7cf23, 0x39afb313, 0x5bc3223c, 0x39aa40b4,
+  0x5bce7442, 0x39a4cc1c, 0x5bd9c537, 0x399f554b,
+  0x5be51518, 0x3999dc42, 0x5bf063e6, 0x399460ff,
+  0x5bfbb1a0, 0x398ee385, 0x5c06fe46, 0x398963d2,
+  0x5c1249d8, 0x3983e1e8, 0x5c1d9454, 0x397e5dc6,
+  0x5c28ddbb, 0x3978d76c, 0x5c34260c, 0x39734edc,
+  0x5c3f6d47, 0x396dc414, 0x5c4ab36b, 0x39683715,
+  0x5c55f878, 0x3962a7e0, 0x5c613c6d, 0x395d1675,
+  0x5c6c7f4a, 0x395782d3, 0x5c77c10e, 0x3951ecfc,
+  0x5c8301b9, 0x394c54ee, 0x5c8e414b, 0x3946baac,
+  0x5c997fc4, 0x39411e33, 0x5ca4bd21, 0x393b7f86,
+  0x5caff965, 0x3935dea4, 0x5cbb348d, 0x39303b8e,
+  0x5cc66e99, 0x392a9642, 0x5cd1a78a, 0x3924eec3,
+  0x5cdcdf5e, 0x391f4510, 0x5ce81615, 0x39199929,
+  0x5cf34baf, 0x3913eb0e, 0x5cfe802b, 0x390e3ac0,
+  0x5d09b389, 0x3908883f, 0x5d14e5c9, 0x3902d38b,
+  0x5d2016e9, 0x38fd1ca4, 0x5d2b46ea, 0x38f7638b,
+  0x5d3675cb, 0x38f1a840, 0x5d41a38c, 0x38ebeac2,
+  0x5d4cd02c, 0x38e62b13, 0x5d57fbaa, 0x38e06932,
+  0x5d632608, 0x38daa520, 0x5d6e4f43, 0x38d4dedd,
+  0x5d79775c, 0x38cf1669, 0x5d849e51, 0x38c94bc4,
+  0x5d8fc424, 0x38c37eef, 0x5d9ae8d2, 0x38bdafea,
+  0x5da60c5d, 0x38b7deb4, 0x5db12ec3, 0x38b20b4f,
+  0x5dbc5004, 0x38ac35ba, 0x5dc7701f, 0x38a65df6,
+  0x5dd28f15, 0x38a08402, 0x5dddace4, 0x389aa7e0,
+  0x5de8c98c, 0x3894c98f, 0x5df3e50d, 0x388ee910,
+  0x5dfeff67, 0x38890663, 0x5e0a1898, 0x38832187,
+  0x5e1530a1, 0x387d3a7e, 0x5e204781, 0x38775147,
+  0x5e2b5d38, 0x387165e3, 0x5e3671c5, 0x386b7852,
+  0x5e418528, 0x38658894, 0x5e4c9760, 0x385f96a9,
+  0x5e57a86d, 0x3859a292, 0x5e62b84f, 0x3853ac4f,
+  0x5e6dc705, 0x384db3e0, 0x5e78d48e, 0x3847b946,
+  0x5e83e0eb, 0x3841bc7f, 0x5e8eec1b, 0x383bbd8e,
+  0x5e99f61d, 0x3835bc71, 0x5ea4fef0, 0x382fb92a,
+  0x5eb00696, 0x3829b3b9, 0x5ebb0d0d, 0x3823ac1d,
+  0x5ec61254, 0x381da256, 0x5ed1166b, 0x38179666,
+  0x5edc1953, 0x3811884d, 0x5ee71b0a, 0x380b780a,
+  0x5ef21b90, 0x3805659e, 0x5efd1ae4, 0x37ff5109,
+  0x5f081907, 0x37f93a4b, 0x5f1315f7, 0x37f32165,
+  0x5f1e11b5, 0x37ed0657, 0x5f290c3f, 0x37e6e921,
+  0x5f340596, 0x37e0c9c3, 0x5f3efdb9, 0x37daa83d,
+  0x5f49f4a8, 0x37d48490, 0x5f54ea62, 0x37ce5ebd,
+  0x5f5fdee6, 0x37c836c2, 0x5f6ad235, 0x37c20ca1,
+  0x5f75c44e, 0x37bbe05a, 0x5f80b531, 0x37b5b1ec,
+  0x5f8ba4dc, 0x37af8159, 0x5f969350, 0x37a94ea0,
+  0x5fa1808c, 0x37a319c2, 0x5fac6c91, 0x379ce2be,
+  0x5fb7575c, 0x3796a996, 0x5fc240ef, 0x37906e49,
+  0x5fcd2948, 0x378a30d8, 0x5fd81067, 0x3783f143,
+  0x5fe2f64c, 0x377daf89, 0x5feddaf6, 0x37776bac,
+  0x5ff8be65, 0x377125ac, 0x6003a099, 0x376add88,
+  0x600e8190, 0x37649341, 0x6019614c, 0x375e46d8,
+  0x60243fca, 0x3757f84c, 0x602f1d0b, 0x3751a79e,
+  0x6039f90f, 0x374b54ce, 0x6044d3d4, 0x3744ffdd,
+  0x604fad5b, 0x373ea8ca, 0x605a85a3, 0x37384f95,
+  0x60655cac, 0x3731f440, 0x60703275, 0x372b96ca,
+  0x607b06fe, 0x37253733, 0x6085da46, 0x371ed57c,
+  0x6090ac4d, 0x371871a5, 0x609b7d13, 0x37120bae,
+  0x60a64c97, 0x370ba398, 0x60b11ad9, 0x37053962,
+  0x60bbe7d8, 0x36fecd0e, 0x60c6b395, 0x36f85e9a,
+  0x60d17e0d, 0x36f1ee09, 0x60dc4742, 0x36eb7b58,
+  0x60e70f32, 0x36e5068a, 0x60f1d5de, 0x36de8f9e,
+  0x60fc9b44, 0x36d81695, 0x61075f65, 0x36d19b6e,
+  0x61122240, 0x36cb1e2a, 0x611ce3d5, 0x36c49ec9,
+  0x6127a423, 0x36be1d4c, 0x61326329, 0x36b799b3,
+  0x613d20e8, 0x36b113fd, 0x6147dd5f, 0x36aa8c2c,
+  0x6152988d, 0x36a4023f, 0x615d5273, 0x369d7637,
+  0x61680b0f, 0x3696e814, 0x6172c262, 0x369057d6,
+  0x617d786a, 0x3689c57d, 0x61882d28, 0x3683310b,
+  0x6192e09b, 0x367c9a7e, 0x619d92c2, 0x367601d7,
+  0x61a8439e, 0x366f6717, 0x61b2f32e, 0x3668ca3e,
+  0x61bda171, 0x36622b4c, 0x61c84e67, 0x365b8a41,
+  0x61d2fa0f, 0x3654e71d, 0x61dda46a, 0x364e41e2,
+  0x61e84d76, 0x36479a8e, 0x61f2f534, 0x3640f123,
+  0x61fd9ba3, 0x363a45a0, 0x620840c2, 0x36339806,
+  0x6212e492, 0x362ce855, 0x621d8711, 0x3626368d,
+  0x6228283f, 0x361f82af, 0x6232c81c, 0x3618ccba,
+  0x623d66a8, 0x361214b0, 0x624803e2, 0x360b5a90,
+  0x62529fca, 0x36049e5b, 0x625d3a5e, 0x35fde011,
+  0x6267d3a0, 0x35f71fb1, 0x62726b8e, 0x35f05d3d,
+  0x627d0228, 0x35e998b5, 0x6287976e, 0x35e2d219,
+  0x62922b5e, 0x35dc0968, 0x629cbdfa, 0x35d53ea5,
+  0x62a74f40, 0x35ce71ce, 0x62b1df30, 0x35c7a2e3,
+  0x62bc6dca, 0x35c0d1e7, 0x62c6fb0c, 0x35b9fed7,
+  0x62d186f8, 0x35b329b5, 0x62dc118c, 0x35ac5282,
+  0x62e69ac8, 0x35a5793c, 0x62f122ab, 0x359e9de5,
+  0x62fba936, 0x3597c07d, 0x63062e67, 0x3590e104,
+  0x6310b23e, 0x3589ff7a, 0x631b34bc, 0x35831be0,
+  0x6325b5df, 0x357c3636, 0x633035a7, 0x35754e7c,
+  0x633ab414, 0x356e64b2, 0x63453125, 0x356778d9,
+  0x634facda, 0x35608af1, 0x635a2733, 0x35599afa,
+  0x6364a02e, 0x3552a8f4, 0x636f17cc, 0x354bb4e1,
+  0x63798e0d, 0x3544bebf, 0x638402ef, 0x353dc68f,
+  0x638e7673, 0x3536cc52, 0x6398e898, 0x352fd008,
+  0x63a3595e, 0x3528d1b1, 0x63adc8c4, 0x3521d14d,
+  0x63b836ca, 0x351acedd, 0x63c2a36f, 0x3513ca60,
+  0x63cd0eb3, 0x350cc3d8, 0x63d77896, 0x3505bb44,
+  0x63e1e117, 0x34feb0a5, 0x63ec4837, 0x34f7a3fb,
+  0x63f6adf3, 0x34f09546, 0x6401124d, 0x34e98487,
+  0x640b7543, 0x34e271bd, 0x6415d6d5, 0x34db5cea,
+  0x64203704, 0x34d4460c, 0x642a95ce, 0x34cd2d26,
+  0x6434f332, 0x34c61236, 0x643f4f32, 0x34bef53d,
+  0x6449a9cc, 0x34b7d63c, 0x645402ff, 0x34b0b533,
+  0x645e5acc, 0x34a99221, 0x6468b132, 0x34a26d08,
+  0x64730631, 0x349b45e7, 0x647d59c8, 0x34941cbf,
+  0x6487abf7, 0x348cf190, 0x6491fcbe, 0x3485c45b,
+  0x649c4c1b, 0x347e951f, 0x64a69a0f, 0x347763dd,
+  0x64b0e699, 0x34703095, 0x64bb31ba, 0x3468fb47,
+  0x64c57b6f, 0x3461c3f5, 0x64cfc3ba, 0x345a8a9d,
+  0x64da0a9a, 0x34534f41, 0x64e4500e, 0x344c11e0,
+  0x64ee9415, 0x3444d27b, 0x64f8d6b0, 0x343d9112,
+  0x650317df, 0x34364da6, 0x650d57a0, 0x342f0836,
+  0x651795f3, 0x3427c0c3, 0x6521d2d8, 0x3420774d,
+  0x652c0e4f, 0x34192bd5, 0x65364857, 0x3411de5b,
+  0x654080ef, 0x340a8edf, 0x654ab818, 0x34033d61,
+  0x6554edd1, 0x33fbe9e2, 0x655f2219, 0x33f49462,
+  0x656954f1, 0x33ed3ce1, 0x65738657, 0x33e5e360,
+  0x657db64c, 0x33de87de, 0x6587e4cf, 0x33d72a5d,
+  0x659211df, 0x33cfcadc, 0x659c3d7c, 0x33c8695b,
+  0x65a667a7, 0x33c105db, 0x65b0905d, 0x33b9a05d,
+  0x65bab7a0, 0x33b238e0, 0x65c4dd6e, 0x33aacf65,
+  0x65cf01c8, 0x33a363ec, 0x65d924ac, 0x339bf675,
+  0x65e3461b, 0x33948701, 0x65ed6614, 0x338d1590,
+  0x65f78497, 0x3385a222, 0x6601a1a2, 0x337e2cb7,
+  0x660bbd37, 0x3376b551, 0x6615d754, 0x336f3bee,
+  0x661feffa, 0x3367c090, 0x662a0727, 0x33604336,
+  0x66341cdb, 0x3358c3e2, 0x663e3117, 0x33514292,
+  0x664843d9, 0x3349bf48, 0x66525521, 0x33423a04,
+  0x665c64ef, 0x333ab2c6, 0x66667342, 0x3333298f,
+  0x6670801a, 0x332b9e5e, 0x667a8b77, 0x33241134,
+  0x66849558, 0x331c8211, 0x668e9dbd, 0x3314f0f6,
+  0x6698a4a6, 0x330d5de3, 0x66a2aa11, 0x3305c8d7,
+  0x66acadff, 0x32fe31d5, 0x66b6b070, 0x32f698db,
+  0x66c0b162, 0x32eefdea, 0x66cab0d6, 0x32e76102,
+  0x66d4aecb, 0x32dfc224, 0x66deab41, 0x32d82150,
+  0x66e8a637, 0x32d07e85, 0x66f29fad, 0x32c8d9c6,
+  0x66fc97a3, 0x32c13311, 0x67068e18, 0x32b98a67,
+  0x6710830c, 0x32b1dfc9, 0x671a767e, 0x32aa3336,
+  0x6724686e, 0x32a284b0, 0x672e58dc, 0x329ad435,
+  0x673847c8, 0x329321c7, 0x67423530, 0x328b6d66,
+  0x674c2115, 0x3283b712, 0x67560b76, 0x327bfecc,
+  0x675ff452, 0x32744493, 0x6769dbaa, 0x326c8868,
+  0x6773c17d, 0x3264ca4c, 0x677da5cb, 0x325d0a3e,
+  0x67878893, 0x32554840, 0x679169d5, 0x324d8450,
+  0x679b4990, 0x3245be70, 0x67a527c4, 0x323df6a0,
+  0x67af0472, 0x32362ce0, 0x67b8df97, 0x322e6130,
+  0x67c2b934, 0x32269391, 0x67cc9149, 0x321ec403,
+  0x67d667d5, 0x3216f287, 0x67e03cd8, 0x320f1f1c,
+  0x67ea1052, 0x320749c3, 0x67f3e241, 0x31ff727c,
+  0x67fdb2a7, 0x31f79948, 0x68078181, 0x31efbe27,
+  0x68114ed0, 0x31e7e118, 0x681b1a94, 0x31e0021e,
+  0x6824e4cc, 0x31d82137, 0x682ead78, 0x31d03e64,
+  0x68387498, 0x31c859a5, 0x68423a2a, 0x31c072fb,
+  0x684bfe2f, 0x31b88a66, 0x6855c0a6, 0x31b09fe7,
+  0x685f8190, 0x31a8b37c, 0x686940ea, 0x31a0c528,
+  0x6872feb6, 0x3198d4ea, 0x687cbaf3, 0x3190e2c3,
+  0x688675a0, 0x3188eeb2, 0x68902ebd, 0x3180f8b8,
+  0x6899e64a, 0x317900d6, 0x68a39c46, 0x3171070c,
+  0x68ad50b1, 0x31690b59, 0x68b7038b, 0x31610dbf,
+  0x68c0b4d2, 0x31590e3e, 0x68ca6488, 0x31510cd5,
+  0x68d412ab, 0x31490986, 0x68ddbf3b, 0x31410450,
+  0x68e76a37, 0x3138fd35, 0x68f113a0, 0x3130f433,
+  0x68fabb75, 0x3128e94c, 0x690461b5, 0x3120dc80,
+  0x690e0661, 0x3118cdcf, 0x6917a977, 0x3110bd39,
+  0x69214af8, 0x3108aabf, 0x692aeae3, 0x31009661,
+  0x69348937, 0x30f8801f, 0x693e25f5, 0x30f067fb,
+  0x6947c11c, 0x30e84df3, 0x69515aab, 0x30e03208,
+  0x695af2a3, 0x30d8143b, 0x69648902, 0x30cff48c,
+  0x696e1dc9, 0x30c7d2fb, 0x6977b0f7, 0x30bfaf89,
+  0x6981428c, 0x30b78a36, 0x698ad287, 0x30af6302,
+  0x699460e8, 0x30a739ed, 0x699dedaf, 0x309f0ef8,
+  0x69a778db, 0x3096e223, 0x69b1026c, 0x308eb36f,
+  0x69ba8a61, 0x308682dc, 0x69c410ba, 0x307e5069,
+  0x69cd9578, 0x30761c18, 0x69d71899, 0x306de5e9,
+  0x69e09a1c, 0x3065addb, 0x69ea1a03, 0x305d73f0,
+  0x69f3984c, 0x30553828, 0x69fd14f6, 0x304cfa83,
+  0x6a069003, 0x3044bb00, 0x6a100970, 0x303c79a2,
+  0x6a19813f, 0x30343667, 0x6a22f76e, 0x302bf151,
+  0x6a2c6bfd, 0x3023aa5f, 0x6a35deeb, 0x301b6193,
+  0x6a3f503a, 0x301316eb, 0x6a48bfe7, 0x300aca69,
+  0x6a522df3, 0x30027c0c, 0x6a5b9a5d, 0x2ffa2bd6,
+  0x6a650525, 0x2ff1d9c7, 0x6a6e6e4b, 0x2fe985de,
+  0x6a77d5ce, 0x2fe1301c, 0x6a813bae, 0x2fd8d882,
+  0x6a8a9fea, 0x2fd07f0f, 0x6a940283, 0x2fc823c5,
+  0x6a9d6377, 0x2fbfc6a3, 0x6aa6c2c6, 0x2fb767aa,
+  0x6ab02071, 0x2faf06da, 0x6ab97c77, 0x2fa6a433,
+  0x6ac2d6d6, 0x2f9e3fb6, 0x6acc2f90, 0x2f95d963,
+  0x6ad586a3, 0x2f8d713a, 0x6adedc10, 0x2f85073c,
+  0x6ae82fd5, 0x2f7c9b69, 0x6af181f3, 0x2f742dc1,
+  0x6afad269, 0x2f6bbe45, 0x6b042137, 0x2f634cf5,
+  0x6b0d6e5c, 0x2f5ad9d1, 0x6b16b9d9, 0x2f5264da,
+  0x6b2003ac, 0x2f49ee0f, 0x6b294bd5, 0x2f417573,
+  0x6b329255, 0x2f38fb03, 0x6b3bd72a, 0x2f307ec2,
+  0x6b451a55, 0x2f2800af, 0x6b4e5bd4, 0x2f1f80ca,
+  0x6b579ba8, 0x2f16ff14, 0x6b60d9d0, 0x2f0e7b8e,
+  0x6b6a164d, 0x2f05f637, 0x6b73511c, 0x2efd6f10,
+  0x6b7c8a3f, 0x2ef4e619, 0x6b85c1b5, 0x2eec5b53,
+  0x6b8ef77d, 0x2ee3cebe, 0x6b982b97, 0x2edb405a,
+  0x6ba15e03, 0x2ed2b027, 0x6baa8ec0, 0x2eca1e27,
+  0x6bb3bdce, 0x2ec18a58, 0x6bbceb2d, 0x2eb8f4bc,
+  0x6bc616dd, 0x2eb05d53, 0x6bcf40dc, 0x2ea7c41e,
+  0x6bd8692b, 0x2e9f291b, 0x6be18fc9, 0x2e968c4d,
+  0x6beab4b6, 0x2e8dedb3, 0x6bf3d7f2, 0x2e854d4d,
+  0x6bfcf97c, 0x2e7cab1c, 0x6c061953, 0x2e740720,
+  0x6c0f3779, 0x2e6b615a, 0x6c1853eb, 0x2e62b9ca,
+  0x6c216eaa, 0x2e5a1070, 0x6c2a87b6, 0x2e51654c,
+  0x6c339f0e, 0x2e48b860, 0x6c3cb4b1, 0x2e4009aa,
+  0x6c45c8a0, 0x2e37592c, 0x6c4edada, 0x2e2ea6e6,
+  0x6c57eb5e, 0x2e25f2d8, 0x6c60fa2d, 0x2e1d3d03,
+  0x6c6a0746, 0x2e148566, 0x6c7312a9, 0x2e0bcc03,
+  0x6c7c1c55, 0x2e0310d9, 0x6c85244a, 0x2dfa53e9,
+  0x6c8e2a87, 0x2df19534, 0x6c972f0d, 0x2de8d4b8,
+  0x6ca031da, 0x2de01278, 0x6ca932ef, 0x2dd74e73,
+  0x6cb2324c, 0x2dce88aa, 0x6cbb2fef, 0x2dc5c11c,
+  0x6cc42bd9, 0x2dbcf7cb, 0x6ccd2609, 0x2db42cb6,
+  0x6cd61e7f, 0x2dab5fdf, 0x6cdf153a, 0x2da29144,
+  0x6ce80a3a, 0x2d99c0e7, 0x6cf0fd80, 0x2d90eec8,
+  0x6cf9ef09, 0x2d881ae8, 0x6d02ded7, 0x2d7f4545,
+  0x6d0bcce8, 0x2d766de2, 0x6d14b93d, 0x2d6d94bf,
+  0x6d1da3d5, 0x2d64b9da, 0x6d268cb0, 0x2d5bdd36,
+  0x6d2f73cd, 0x2d52fed2, 0x6d38592c, 0x2d4a1eaf,
+  0x6d413ccd, 0x2d413ccd, 0x6d4a1eaf, 0x2d38592c,
+  0x6d52fed2, 0x2d2f73cd, 0x6d5bdd36, 0x2d268cb0,
+  0x6d64b9da, 0x2d1da3d5, 0x6d6d94bf, 0x2d14b93d,
+  0x6d766de2, 0x2d0bcce8, 0x6d7f4545, 0x2d02ded7,
+  0x6d881ae8, 0x2cf9ef09, 0x6d90eec8, 0x2cf0fd80,
+  0x6d99c0e7, 0x2ce80a3a, 0x6da29144, 0x2cdf153a,
+  0x6dab5fdf, 0x2cd61e7f, 0x6db42cb6, 0x2ccd2609,
+  0x6dbcf7cb, 0x2cc42bd9, 0x6dc5c11c, 0x2cbb2fef,
+  0x6dce88aa, 0x2cb2324c, 0x6dd74e73, 0x2ca932ef,
+  0x6de01278, 0x2ca031da, 0x6de8d4b8, 0x2c972f0d,
+  0x6df19534, 0x2c8e2a87, 0x6dfa53e9, 0x2c85244a,
+  0x6e0310d9, 0x2c7c1c55, 0x6e0bcc03, 0x2c7312a9,
+  0x6e148566, 0x2c6a0746, 0x6e1d3d03, 0x2c60fa2d,
+  0x6e25f2d8, 0x2c57eb5e, 0x6e2ea6e6, 0x2c4edada,
+  0x6e37592c, 0x2c45c8a0, 0x6e4009aa, 0x2c3cb4b1,
+  0x6e48b860, 0x2c339f0e, 0x6e51654c, 0x2c2a87b6,
+  0x6e5a1070, 0x2c216eaa, 0x6e62b9ca, 0x2c1853eb,
+  0x6e6b615a, 0x2c0f3779, 0x6e740720, 0x2c061953,
+  0x6e7cab1c, 0x2bfcf97c, 0x6e854d4d, 0x2bf3d7f2,
+  0x6e8dedb3, 0x2beab4b6, 0x6e968c4d, 0x2be18fc9,
+  0x6e9f291b, 0x2bd8692b, 0x6ea7c41e, 0x2bcf40dc,
+  0x6eb05d53, 0x2bc616dd, 0x6eb8f4bc, 0x2bbceb2d,
+  0x6ec18a58, 0x2bb3bdce, 0x6eca1e27, 0x2baa8ec0,
+  0x6ed2b027, 0x2ba15e03, 0x6edb405a, 0x2b982b97,
+  0x6ee3cebe, 0x2b8ef77d, 0x6eec5b53, 0x2b85c1b5,
+  0x6ef4e619, 0x2b7c8a3f, 0x6efd6f10, 0x2b73511c,
+  0x6f05f637, 0x2b6a164d, 0x6f0e7b8e, 0x2b60d9d0,
+  0x6f16ff14, 0x2b579ba8, 0x6f1f80ca, 0x2b4e5bd4,
+  0x6f2800af, 0x2b451a55, 0x6f307ec2, 0x2b3bd72a,
+  0x6f38fb03, 0x2b329255, 0x6f417573, 0x2b294bd5,
+  0x6f49ee0f, 0x2b2003ac, 0x6f5264da, 0x2b16b9d9,
+  0x6f5ad9d1, 0x2b0d6e5c, 0x6f634cf5, 0x2b042137,
+  0x6f6bbe45, 0x2afad269, 0x6f742dc1, 0x2af181f3,
+  0x6f7c9b69, 0x2ae82fd5, 0x6f85073c, 0x2adedc10,
+  0x6f8d713a, 0x2ad586a3, 0x6f95d963, 0x2acc2f90,
+  0x6f9e3fb6, 0x2ac2d6d6, 0x6fa6a433, 0x2ab97c77,
+  0x6faf06da, 0x2ab02071, 0x6fb767aa, 0x2aa6c2c6,
+  0x6fbfc6a3, 0x2a9d6377, 0x6fc823c5, 0x2a940283,
+  0x6fd07f0f, 0x2a8a9fea, 0x6fd8d882, 0x2a813bae,
+  0x6fe1301c, 0x2a77d5ce, 0x6fe985de, 0x2a6e6e4b,
+  0x6ff1d9c7, 0x2a650525, 0x6ffa2bd6, 0x2a5b9a5d,
+  0x70027c0c, 0x2a522df3, 0x700aca69, 0x2a48bfe7,
+  0x701316eb, 0x2a3f503a, 0x701b6193, 0x2a35deeb,
+  0x7023aa5f, 0x2a2c6bfd, 0x702bf151, 0x2a22f76e,
+  0x70343667, 0x2a19813f, 0x703c79a2, 0x2a100970,
+  0x7044bb00, 0x2a069003, 0x704cfa83, 0x29fd14f6,
+  0x70553828, 0x29f3984c, 0x705d73f0, 0x29ea1a03,
+  0x7065addb, 0x29e09a1c, 0x706de5e9, 0x29d71899,
+  0x70761c18, 0x29cd9578, 0x707e5069, 0x29c410ba,
+  0x708682dc, 0x29ba8a61, 0x708eb36f, 0x29b1026c,
+  0x7096e223, 0x29a778db, 0x709f0ef8, 0x299dedaf,
+  0x70a739ed, 0x299460e8, 0x70af6302, 0x298ad287,
+  0x70b78a36, 0x2981428c, 0x70bfaf89, 0x2977b0f7,
+  0x70c7d2fb, 0x296e1dc9, 0x70cff48c, 0x29648902,
+  0x70d8143b, 0x295af2a3, 0x70e03208, 0x29515aab,
+  0x70e84df3, 0x2947c11c, 0x70f067fb, 0x293e25f5,
+  0x70f8801f, 0x29348937, 0x71009661, 0x292aeae3,
+  0x7108aabf, 0x29214af8, 0x7110bd39, 0x2917a977,
+  0x7118cdcf, 0x290e0661, 0x7120dc80, 0x290461b5,
+  0x7128e94c, 0x28fabb75, 0x7130f433, 0x28f113a0,
+  0x7138fd35, 0x28e76a37, 0x71410450, 0x28ddbf3b,
+  0x71490986, 0x28d412ab, 0x71510cd5, 0x28ca6488,
+  0x71590e3e, 0x28c0b4d2, 0x71610dbf, 0x28b7038b,
+  0x71690b59, 0x28ad50b1, 0x7171070c, 0x28a39c46,
+  0x717900d6, 0x2899e64a, 0x7180f8b8, 0x28902ebd,
+  0x7188eeb2, 0x288675a0, 0x7190e2c3, 0x287cbaf3,
+  0x7198d4ea, 0x2872feb6, 0x71a0c528, 0x286940ea,
+  0x71a8b37c, 0x285f8190, 0x71b09fe7, 0x2855c0a6,
+  0x71b88a66, 0x284bfe2f, 0x71c072fb, 0x28423a2a,
+  0x71c859a5, 0x28387498, 0x71d03e64, 0x282ead78,
+  0x71d82137, 0x2824e4cc, 0x71e0021e, 0x281b1a94,
+  0x71e7e118, 0x28114ed0, 0x71efbe27, 0x28078181,
+  0x71f79948, 0x27fdb2a7, 0x71ff727c, 0x27f3e241,
+  0x720749c3, 0x27ea1052, 0x720f1f1c, 0x27e03cd8,
+  0x7216f287, 0x27d667d5, 0x721ec403, 0x27cc9149,
+  0x72269391, 0x27c2b934, 0x722e6130, 0x27b8df97,
+  0x72362ce0, 0x27af0472, 0x723df6a0, 0x27a527c4,
+  0x7245be70, 0x279b4990, 0x724d8450, 0x279169d5,
+  0x72554840, 0x27878893, 0x725d0a3e, 0x277da5cb,
+  0x7264ca4c, 0x2773c17d, 0x726c8868, 0x2769dbaa,
+  0x72744493, 0x275ff452, 0x727bfecc, 0x27560b76,
+  0x7283b712, 0x274c2115, 0x728b6d66, 0x27423530,
+  0x729321c7, 0x273847c8, 0x729ad435, 0x272e58dc,
+  0x72a284b0, 0x2724686e, 0x72aa3336, 0x271a767e,
+  0x72b1dfc9, 0x2710830c, 0x72b98a67, 0x27068e18,
+  0x72c13311, 0x26fc97a3, 0x72c8d9c6, 0x26f29fad,
+  0x72d07e85, 0x26e8a637, 0x72d82150, 0x26deab41,
+  0x72dfc224, 0x26d4aecb, 0x72e76102, 0x26cab0d6,
+  0x72eefdea, 0x26c0b162, 0x72f698db, 0x26b6b070,
+  0x72fe31d5, 0x26acadff, 0x7305c8d7, 0x26a2aa11,
+  0x730d5de3, 0x2698a4a6, 0x7314f0f6, 0x268e9dbd,
+  0x731c8211, 0x26849558, 0x73241134, 0x267a8b77,
+  0x732b9e5e, 0x2670801a, 0x7333298f, 0x26667342,
+  0x733ab2c6, 0x265c64ef, 0x73423a04, 0x26525521,
+  0x7349bf48, 0x264843d9, 0x73514292, 0x263e3117,
+  0x7358c3e2, 0x26341cdb, 0x73604336, 0x262a0727,
+  0x7367c090, 0x261feffa, 0x736f3bee, 0x2615d754,
+  0x7376b551, 0x260bbd37, 0x737e2cb7, 0x2601a1a2,
+  0x7385a222, 0x25f78497, 0x738d1590, 0x25ed6614,
+  0x73948701, 0x25e3461b, 0x739bf675, 0x25d924ac,
+  0x73a363ec, 0x25cf01c8, 0x73aacf65, 0x25c4dd6e,
+  0x73b238e0, 0x25bab7a0, 0x73b9a05d, 0x25b0905d,
+  0x73c105db, 0x25a667a7, 0x73c8695b, 0x259c3d7c,
+  0x73cfcadc, 0x259211df, 0x73d72a5d, 0x2587e4cf,
+  0x73de87de, 0x257db64c, 0x73e5e360, 0x25738657,
+  0x73ed3ce1, 0x256954f1, 0x73f49462, 0x255f2219,
+  0x73fbe9e2, 0x2554edd1, 0x74033d61, 0x254ab818,
+  0x740a8edf, 0x254080ef, 0x7411de5b, 0x25364857,
+  0x74192bd5, 0x252c0e4f, 0x7420774d, 0x2521d2d8,
+  0x7427c0c3, 0x251795f3, 0x742f0836, 0x250d57a0,
+  0x74364da6, 0x250317df, 0x743d9112, 0x24f8d6b0,
+  0x7444d27b, 0x24ee9415, 0x744c11e0, 0x24e4500e,
+  0x74534f41, 0x24da0a9a, 0x745a8a9d, 0x24cfc3ba,
+  0x7461c3f5, 0x24c57b6f, 0x7468fb47, 0x24bb31ba,
+  0x74703095, 0x24b0e699, 0x747763dd, 0x24a69a0f,
+  0x747e951f, 0x249c4c1b, 0x7485c45b, 0x2491fcbe,
+  0x748cf190, 0x2487abf7, 0x74941cbf, 0x247d59c8,
+  0x749b45e7, 0x24730631, 0x74a26d08, 0x2468b132,
+  0x74a99221, 0x245e5acc, 0x74b0b533, 0x245402ff,
+  0x74b7d63c, 0x2449a9cc, 0x74bef53d, 0x243f4f32,
+  0x74c61236, 0x2434f332, 0x74cd2d26, 0x242a95ce,
+  0x74d4460c, 0x24203704, 0x74db5cea, 0x2415d6d5,
+  0x74e271bd, 0x240b7543, 0x74e98487, 0x2401124d,
+  0x74f09546, 0x23f6adf3, 0x74f7a3fb, 0x23ec4837,
+  0x74feb0a5, 0x23e1e117, 0x7505bb44, 0x23d77896,
+  0x750cc3d8, 0x23cd0eb3, 0x7513ca60, 0x23c2a36f,
+  0x751acedd, 0x23b836ca, 0x7521d14d, 0x23adc8c4,
+  0x7528d1b1, 0x23a3595e, 0x752fd008, 0x2398e898,
+  0x7536cc52, 0x238e7673, 0x753dc68f, 0x238402ef,
+  0x7544bebf, 0x23798e0d, 0x754bb4e1, 0x236f17cc,
+  0x7552a8f4, 0x2364a02e, 0x75599afa, 0x235a2733,
+  0x75608af1, 0x234facda, 0x756778d9, 0x23453125,
+  0x756e64b2, 0x233ab414, 0x75754e7c, 0x233035a7,
+  0x757c3636, 0x2325b5df, 0x75831be0, 0x231b34bc,
+  0x7589ff7a, 0x2310b23e, 0x7590e104, 0x23062e67,
+  0x7597c07d, 0x22fba936, 0x759e9de5, 0x22f122ab,
+  0x75a5793c, 0x22e69ac8, 0x75ac5282, 0x22dc118c,
+  0x75b329b5, 0x22d186f8, 0x75b9fed7, 0x22c6fb0c,
+  0x75c0d1e7, 0x22bc6dca, 0x75c7a2e3, 0x22b1df30,
+  0x75ce71ce, 0x22a74f40, 0x75d53ea5, 0x229cbdfa,
+  0x75dc0968, 0x22922b5e, 0x75e2d219, 0x2287976e,
+  0x75e998b5, 0x227d0228, 0x75f05d3d, 0x22726b8e,
+  0x75f71fb1, 0x2267d3a0, 0x75fde011, 0x225d3a5e,
+  0x76049e5b, 0x22529fca, 0x760b5a90, 0x224803e2,
+  0x761214b0, 0x223d66a8, 0x7618ccba, 0x2232c81c,
+  0x761f82af, 0x2228283f, 0x7626368d, 0x221d8711,
+  0x762ce855, 0x2212e492, 0x76339806, 0x220840c2,
+  0x763a45a0, 0x21fd9ba3, 0x7640f123, 0x21f2f534,
+  0x76479a8e, 0x21e84d76, 0x764e41e2, 0x21dda46a,
+  0x7654e71d, 0x21d2fa0f, 0x765b8a41, 0x21c84e67,
+  0x76622b4c, 0x21bda171, 0x7668ca3e, 0x21b2f32e,
+  0x766f6717, 0x21a8439e, 0x767601d7, 0x219d92c2,
+  0x767c9a7e, 0x2192e09b, 0x7683310b, 0x21882d28,
+  0x7689c57d, 0x217d786a, 0x769057d6, 0x2172c262,
+  0x7696e814, 0x21680b0f, 0x769d7637, 0x215d5273,
+  0x76a4023f, 0x2152988d, 0x76aa8c2c, 0x2147dd5f,
+  0x76b113fd, 0x213d20e8, 0x76b799b3, 0x21326329,
+  0x76be1d4c, 0x2127a423, 0x76c49ec9, 0x211ce3d5,
+  0x76cb1e2a, 0x21122240, 0x76d19b6e, 0x21075f65,
+  0x76d81695, 0x20fc9b44, 0x76de8f9e, 0x20f1d5de,
+  0x76e5068a, 0x20e70f32, 0x76eb7b58, 0x20dc4742,
+  0x76f1ee09, 0x20d17e0d, 0x76f85e9a, 0x20c6b395,
+  0x76fecd0e, 0x20bbe7d8, 0x77053962, 0x20b11ad9,
+  0x770ba398, 0x20a64c97, 0x77120bae, 0x209b7d13,
+  0x771871a5, 0x2090ac4d, 0x771ed57c, 0x2085da46,
+  0x77253733, 0x207b06fe, 0x772b96ca, 0x20703275,
+  0x7731f440, 0x20655cac, 0x77384f95, 0x205a85a3,
+  0x773ea8ca, 0x204fad5b, 0x7744ffdd, 0x2044d3d4,
+  0x774b54ce, 0x2039f90f, 0x7751a79e, 0x202f1d0b,
+  0x7757f84c, 0x20243fca, 0x775e46d8, 0x2019614c,
+  0x77649341, 0x200e8190, 0x776add88, 0x2003a099,
+  0x777125ac, 0x1ff8be65, 0x77776bac, 0x1feddaf6,
+  0x777daf89, 0x1fe2f64c, 0x7783f143, 0x1fd81067,
+  0x778a30d8, 0x1fcd2948, 0x77906e49, 0x1fc240ef,
+  0x7796a996, 0x1fb7575c, 0x779ce2be, 0x1fac6c91,
+  0x77a319c2, 0x1fa1808c, 0x77a94ea0, 0x1f969350,
+  0x77af8159, 0x1f8ba4dc, 0x77b5b1ec, 0x1f80b531,
+  0x77bbe05a, 0x1f75c44e, 0x77c20ca1, 0x1f6ad235,
+  0x77c836c2, 0x1f5fdee6, 0x77ce5ebd, 0x1f54ea62,
+  0x77d48490, 0x1f49f4a8, 0x77daa83d, 0x1f3efdb9,
+  0x77e0c9c3, 0x1f340596, 0x77e6e921, 0x1f290c3f,
+  0x77ed0657, 0x1f1e11b5, 0x77f32165, 0x1f1315f7,
+  0x77f93a4b, 0x1f081907, 0x77ff5109, 0x1efd1ae4,
+  0x7805659e, 0x1ef21b90, 0x780b780a, 0x1ee71b0a,
+  0x7811884d, 0x1edc1953, 0x78179666, 0x1ed1166b,
+  0x781da256, 0x1ec61254, 0x7823ac1d, 0x1ebb0d0d,
+  0x7829b3b9, 0x1eb00696, 0x782fb92a, 0x1ea4fef0,
+  0x7835bc71, 0x1e99f61d, 0x783bbd8e, 0x1e8eec1b,
+  0x7841bc7f, 0x1e83e0eb, 0x7847b946, 0x1e78d48e,
+  0x784db3e0, 0x1e6dc705, 0x7853ac4f, 0x1e62b84f,
+  0x7859a292, 0x1e57a86d, 0x785f96a9, 0x1e4c9760,
+  0x78658894, 0x1e418528, 0x786b7852, 0x1e3671c5,
+  0x787165e3, 0x1e2b5d38, 0x78775147, 0x1e204781,
+  0x787d3a7e, 0x1e1530a1, 0x78832187, 0x1e0a1898,
+  0x78890663, 0x1dfeff67, 0x788ee910, 0x1df3e50d,
+  0x7894c98f, 0x1de8c98c, 0x789aa7e0, 0x1dddace4,
+  0x78a08402, 0x1dd28f15, 0x78a65df6, 0x1dc7701f,
+  0x78ac35ba, 0x1dbc5004, 0x78b20b4f, 0x1db12ec3,
+  0x78b7deb4, 0x1da60c5d, 0x78bdafea, 0x1d9ae8d2,
+  0x78c37eef, 0x1d8fc424, 0x78c94bc4, 0x1d849e51,
+  0x78cf1669, 0x1d79775c, 0x78d4dedd, 0x1d6e4f43,
+  0x78daa520, 0x1d632608, 0x78e06932, 0x1d57fbaa,
+  0x78e62b13, 0x1d4cd02c, 0x78ebeac2, 0x1d41a38c,
+  0x78f1a840, 0x1d3675cb, 0x78f7638b, 0x1d2b46ea,
+  0x78fd1ca4, 0x1d2016e9, 0x7902d38b, 0x1d14e5c9,
+  0x7908883f, 0x1d09b389, 0x790e3ac0, 0x1cfe802b,
+  0x7913eb0e, 0x1cf34baf, 0x79199929, 0x1ce81615,
+  0x791f4510, 0x1cdcdf5e, 0x7924eec3, 0x1cd1a78a,
+  0x792a9642, 0x1cc66e99, 0x79303b8e, 0x1cbb348d,
+  0x7935dea4, 0x1caff965, 0x793b7f86, 0x1ca4bd21,
+  0x79411e33, 0x1c997fc4, 0x7946baac, 0x1c8e414b,
+  0x794c54ee, 0x1c8301b9, 0x7951ecfc, 0x1c77c10e,
+  0x795782d3, 0x1c6c7f4a, 0x795d1675, 0x1c613c6d,
+  0x7962a7e0, 0x1c55f878, 0x79683715, 0x1c4ab36b,
+  0x796dc414, 0x1c3f6d47, 0x79734edc, 0x1c34260c,
+  0x7978d76c, 0x1c28ddbb, 0x797e5dc6, 0x1c1d9454,
+  0x7983e1e8, 0x1c1249d8, 0x798963d2, 0x1c06fe46,
+  0x798ee385, 0x1bfbb1a0, 0x799460ff, 0x1bf063e6,
+  0x7999dc42, 0x1be51518, 0x799f554b, 0x1bd9c537,
+  0x79a4cc1c, 0x1bce7442, 0x79aa40b4, 0x1bc3223c,
+  0x79afb313, 0x1bb7cf23, 0x79b52339, 0x1bac7af9,
+  0x79ba9125, 0x1ba125bd, 0x79bffcd7, 0x1b95cf71,
+  0x79c5664f, 0x1b8a7815, 0x79cacd8d, 0x1b7f1fa9,
+  0x79d03291, 0x1b73c62d, 0x79d5955a, 0x1b686ba3,
+  0x79daf5e8, 0x1b5d100a, 0x79e0543c, 0x1b51b363,
+  0x79e5b054, 0x1b4655ae, 0x79eb0a31, 0x1b3af6ec,
+  0x79f061d2, 0x1b2f971e, 0x79f5b737, 0x1b243643,
+  0x79fb0a60, 0x1b18d45c, 0x7a005b4d, 0x1b0d716a,
+  0x7a05a9fd, 0x1b020d6c, 0x7a0af671, 0x1af6a865,
+  0x7a1040a8, 0x1aeb4253, 0x7a1588a2, 0x1adfdb37,
+  0x7a1ace5f, 0x1ad47312, 0x7a2011de, 0x1ac909e5,
+  0x7a25531f, 0x1abd9faf, 0x7a2a9223, 0x1ab23471,
+  0x7a2fcee8, 0x1aa6c82b, 0x7a350970, 0x1a9b5adf,
+  0x7a3a41b9, 0x1a8fec8c, 0x7a3f77c3, 0x1a847d33,
+  0x7a44ab8e, 0x1a790cd4, 0x7a49dd1a, 0x1a6d9b70,
+  0x7a4f0c67, 0x1a622907, 0x7a543974, 0x1a56b599,
+  0x7a596442, 0x1a4b4128, 0x7a5e8cd0, 0x1a3fcbb3,
+  0x7a63b31d, 0x1a34553b, 0x7a68d72b, 0x1a28ddc0,
+  0x7a6df8f8, 0x1a1d6544, 0x7a731884, 0x1a11ebc5,
+  0x7a7835cf, 0x1a067145, 0x7a7d50da, 0x19faf5c5,
+  0x7a8269a3, 0x19ef7944, 0x7a87802a, 0x19e3fbc3,
+  0x7a8c9470, 0x19d87d42, 0x7a91a674, 0x19ccfdc2,
+  0x7a96b636, 0x19c17d44, 0x7a9bc3b6, 0x19b5fbc8,
+  0x7aa0cef3, 0x19aa794d, 0x7aa5d7ee, 0x199ef5d6,
+  0x7aaadea6, 0x19937161, 0x7aafe31b, 0x1987ebf0,
+  0x7ab4e54c, 0x197c6584, 0x7ab9e53a, 0x1970de1b,
+  0x7abee2e5, 0x196555b8, 0x7ac3de4c, 0x1959cc5a,
+  0x7ac8d76f, 0x194e4201, 0x7acdce4d, 0x1942b6af,
+  0x7ad2c2e8, 0x19372a64, 0x7ad7b53d, 0x192b9d1f,
+  0x7adca54e, 0x19200ee3, 0x7ae1931a, 0x19147fae,
+  0x7ae67ea1, 0x1908ef82, 0x7aeb67e3, 0x18fd5e5f,
+  0x7af04edf, 0x18f1cc45, 0x7af53395, 0x18e63935,
+  0x7afa1605, 0x18daa52f, 0x7afef630, 0x18cf1034,
+  0x7b03d414, 0x18c37a44, 0x7b08afb2, 0x18b7e35f,
+  0x7b0d8909, 0x18ac4b87, 0x7b126019, 0x18a0b2bb,
+  0x7b1734e2, 0x189518fc, 0x7b1c0764, 0x18897e4a,
+  0x7b20d79e, 0x187de2a7, 0x7b25a591, 0x18724611,
+  0x7b2a713d, 0x1866a88a, 0x7b2f3aa0, 0x185b0a13,
+  0x7b3401bb, 0x184f6aab, 0x7b38c68e, 0x1843ca53,
+  0x7b3d8918, 0x1838290c, 0x7b42495a, 0x182c86d5,
+  0x7b470753, 0x1820e3b0, 0x7b4bc303, 0x18153f9d,
+  0x7b507c69, 0x18099a9c, 0x7b553386, 0x17fdf4ae,
+  0x7b59e85a, 0x17f24dd3, 0x7b5e9ae4, 0x17e6a60c,
+  0x7b634b23, 0x17dafd59, 0x7b67f919, 0x17cf53bb,
+  0x7b6ca4c4, 0x17c3a931, 0x7b714e25, 0x17b7fdbd,
+  0x7b75f53c, 0x17ac515f, 0x7b7a9a07, 0x17a0a417,
+  0x7b7f3c87, 0x1794f5e6, 0x7b83dcbc, 0x178946cc,
+  0x7b887aa6, 0x177d96ca, 0x7b8d1644, 0x1771e5e0,
+  0x7b91af97, 0x1766340f, 0x7b96469d, 0x175a8157,
+  0x7b9adb57, 0x174ecdb8, 0x7b9f6dc5, 0x17431933,
+  0x7ba3fde7, 0x173763c9, 0x7ba88bbc, 0x172bad7a,
+  0x7bad1744, 0x171ff646, 0x7bb1a080, 0x17143e2d,
+  0x7bb6276e, 0x17088531, 0x7bbaac0e, 0x16fccb51,
+  0x7bbf2e62, 0x16f1108f, 0x7bc3ae67, 0x16e554ea,
+  0x7bc82c1f, 0x16d99864, 0x7bcca789, 0x16cddafb,
+  0x7bd120a4, 0x16c21cb2, 0x7bd59771, 0x16b65d88,
+  0x7bda0bf0, 0x16aa9d7e, 0x7bde7e20, 0x169edc94,
+  0x7be2ee01, 0x16931acb, 0x7be75b93, 0x16875823,
+  0x7bebc6d5, 0x167b949d, 0x7bf02fc9, 0x166fd039,
+  0x7bf4966c, 0x16640af7, 0x7bf8fac0, 0x165844d8,
+  0x7bfd5cc4, 0x164c7ddd, 0x7c01bc78, 0x1640b606,
+  0x7c0619dc, 0x1634ed53, 0x7c0a74f0, 0x162923c5,
+  0x7c0ecdb2, 0x161d595d, 0x7c132424, 0x16118e1a,
+  0x7c177845, 0x1605c1fd, 0x7c1bca16, 0x15f9f507,
+  0x7c201994, 0x15ee2738, 0x7c2466c2, 0x15e25890,
+  0x7c28b19e, 0x15d68911, 0x7c2cfa28, 0x15cab8ba,
+  0x7c314060, 0x15bee78c, 0x7c358446, 0x15b31587,
+  0x7c39c5da, 0x15a742ac, 0x7c3e051b, 0x159b6efb,
+  0x7c42420a, 0x158f9a76, 0x7c467ca6, 0x1583c51b,
+  0x7c4ab4ef, 0x1577eeec, 0x7c4eeae5, 0x156c17e9,
+  0x7c531e88, 0x15604013, 0x7c574fd8, 0x1554676a,
+  0x7c5b7ed4, 0x15488dee, 0x7c5fab7c, 0x153cb3a0,
+  0x7c63d5d1, 0x1530d881, 0x7c67fdd1, 0x1524fc90,
+  0x7c6c237e, 0x15191fcf, 0x7c7046d6, 0x150d423d,
+  0x7c7467d9, 0x150163dc, 0x7c788688, 0x14f584ac,
+  0x7c7ca2e2, 0x14e9a4ac, 0x7c80bce7, 0x14ddc3de,
+  0x7c84d496, 0x14d1e242, 0x7c88e9f1, 0x14c5ffd9,
+  0x7c8cfcf6, 0x14ba1ca3, 0x7c910da5, 0x14ae38a0,
+  0x7c951bff, 0x14a253d1, 0x7c992803, 0x14966e36,
+  0x7c9d31b0, 0x148a87d1, 0x7ca13908, 0x147ea0a0,
+  0x7ca53e09, 0x1472b8a5, 0x7ca940b3, 0x1466cfe1,
+  0x7cad4107, 0x145ae653, 0x7cb13f04, 0x144efbfc,
+  0x7cb53aaa, 0x144310dd, 0x7cb933f9, 0x143724f5,
+  0x7cbd2af0, 0x142b3846, 0x7cc11f90, 0x141f4ad1,
+  0x7cc511d9, 0x14135c94, 0x7cc901c9, 0x14076d91,
+  0x7cccef62, 0x13fb7dc9, 0x7cd0daa2, 0x13ef8d3c,
+  0x7cd4c38b, 0x13e39be9, 0x7cd8aa1b, 0x13d7a9d3,
+  0x7cdc8e52, 0x13cbb6f8, 0x7ce07031, 0x13bfc35b,
+  0x7ce44fb7, 0x13b3cefa, 0x7ce82ce4, 0x13a7d9d7,
+  0x7cec07b8, 0x139be3f2, 0x7cefe032, 0x138fed4b,
+  0x7cf3b653, 0x1383f5e3, 0x7cf78a1b, 0x1377fdbb,
+  0x7cfb5b89, 0x136c04d2, 0x7cff2a9d, 0x13600b2a,
+  0x7d02f757, 0x135410c3, 0x7d06c1b6, 0x1348159d,
+  0x7d0a89bc, 0x133c19b8, 0x7d0e4f67, 0x13301d16,
+  0x7d1212b7, 0x13241fb6, 0x7d15d3ad, 0x1318219a,
+  0x7d199248, 0x130c22c1, 0x7d1d4e88, 0x1300232c,
+  0x7d21086c, 0x12f422db, 0x7d24bff6, 0x12e821cf,
+  0x7d287523, 0x12dc2009, 0x7d2c27f6, 0x12d01d89,
+  0x7d2fd86c, 0x12c41a4f, 0x7d338687, 0x12b8165b,
+  0x7d373245, 0x12ac11af, 0x7d3adba7, 0x12a00c4b,
+  0x7d3e82ae, 0x1294062f, 0x7d422757, 0x1287ff5b,
+  0x7d45c9a4, 0x127bf7d1, 0x7d496994, 0x126fef90,
+  0x7d4d0728, 0x1263e699, 0x7d50a25e, 0x1257dced,
+  0x7d543b37, 0x124bd28c, 0x7d57d1b3, 0x123fc776,
+  0x7d5b65d2, 0x1233bbac, 0x7d5ef793, 0x1227af2e,
+  0x7d6286f6, 0x121ba1fd, 0x7d6613fb, 0x120f941a,
+  0x7d699ea3, 0x12038584, 0x7d6d26ec, 0x11f7763c,
+  0x7d70acd7, 0x11eb6643, 0x7d743064, 0x11df5599,
+  0x7d77b192, 0x11d3443f, 0x7d7b3061, 0x11c73235,
+  0x7d7eacd2, 0x11bb1f7c, 0x7d8226e4, 0x11af0c13,
+  0x7d859e96, 0x11a2f7fc, 0x7d8913ea, 0x1196e337,
+  0x7d8c86de, 0x118acdc4, 0x7d8ff772, 0x117eb7a4,
+  0x7d9365a8, 0x1172a0d7, 0x7d96d17d, 0x1166895f,
+  0x7d9a3af2, 0x115a713a, 0x7d9da208, 0x114e586a,
+  0x7da106bd, 0x11423ef0, 0x7da46912, 0x113624cb,
+  0x7da7c907, 0x112a09fc, 0x7dab269b, 0x111dee84,
+  0x7dae81cf, 0x1111d263, 0x7db1daa2, 0x1105b599,
+  0x7db53113, 0x10f99827, 0x7db88524, 0x10ed7a0e,
+  0x7dbbd6d4, 0x10e15b4e, 0x7dbf2622, 0x10d53be7,
+  0x7dc2730f, 0x10c91bda, 0x7dc5bd9b, 0x10bcfb28,
+  0x7dc905c5, 0x10b0d9d0, 0x7dcc4b8d, 0x10a4b7d3,
+  0x7dcf8ef3, 0x10989532, 0x7dd2cff7, 0x108c71ee,
+  0x7dd60e99, 0x10804e06, 0x7dd94ad8, 0x1074297b,
+  0x7ddc84b5, 0x1068044e, 0x7ddfbc30, 0x105bde7f,
+  0x7de2f148, 0x104fb80e, 0x7de623fd, 0x104390fd,
+  0x7de9544f, 0x1037694b, 0x7dec823e, 0x102b40f8,
+  0x7defadca, 0x101f1807, 0x7df2d6f3, 0x1012ee76,
+  0x7df5fdb8, 0x1006c446, 0x7df9221a, 0xffa9979,
+  0x7dfc4418, 0xfee6e0d, 0x7dff63b2, 0xfe24205,
+  0x7e0280e9, 0xfd6155f, 0x7e059bbb, 0xfc9e81e,
+  0x7e08b42a, 0xfbdba40, 0x7e0bca34, 0xfb18bc8,
+  0x7e0eddd9, 0xfa55cb4, 0x7e11ef1b, 0xf992d06,
+  0x7e14fdf7, 0xf8cfcbe, 0x7e180a6f, 0xf80cbdc,
+  0x7e1b1482, 0xf749a61, 0x7e1e1c30, 0xf68684e,
+  0x7e212179, 0xf5c35a3, 0x7e24245d, 0xf500260,
+  0x7e2724db, 0xf43ce86, 0x7e2a22f4, 0xf379a16,
+  0x7e2d1ea8, 0xf2b650f, 0x7e3017f6, 0xf1f2f73,
+  0x7e330ede, 0xf12f941, 0x7e360360, 0xf06c27a,
+  0x7e38f57c, 0xefa8b20, 0x7e3be532, 0xeee5331,
+  0x7e3ed282, 0xee21aaf, 0x7e41bd6c, 0xed5e19a,
+  0x7e44a5ef, 0xec9a7f3, 0x7e478c0b, 0xebd6db9,
+  0x7e4a6fc1, 0xeb132ef, 0x7e4d5110, 0xea4f793,
+  0x7e502ff9, 0xe98bba7, 0x7e530c7a, 0xe8c7f2a,
+  0x7e55e694, 0xe80421e, 0x7e58be47, 0xe740483,
+  0x7e5b9392, 0xe67c65a, 0x7e5e6676, 0xe5b87a2,
+  0x7e6136f3, 0xe4f485c, 0x7e640507, 0xe430889,
+  0x7e66d0b4, 0xe36c82a, 0x7e6999fa, 0xe2a873e,
+  0x7e6c60d7, 0xe1e45c6, 0x7e6f254c, 0xe1203c3,
+  0x7e71e759, 0xe05c135, 0x7e74a6fd, 0xdf97e1d,
+  0x7e77643a, 0xded3a7b, 0x7e7a1f0d, 0xde0f64f,
+  0x7e7cd778, 0xdd4b19a, 0x7e7f8d7b, 0xdc86c5d,
+  0x7e824114, 0xdbc2698, 0x7e84f245, 0xdafe04b,
+  0x7e87a10c, 0xda39978, 0x7e8a4d6a, 0xd97521d,
+  0x7e8cf75f, 0xd8b0a3d, 0x7e8f9eeb, 0xd7ec1d6,
+  0x7e92440d, 0xd7278eb, 0x7e94e6c6, 0xd662f7b,
+  0x7e978715, 0xd59e586, 0x7e9a24fb, 0xd4d9b0e,
+  0x7e9cc076, 0xd415013, 0x7e9f5988, 0xd350495,
+  0x7ea1f02f, 0xd28b894, 0x7ea4846c, 0xd1c6c11,
+  0x7ea7163f, 0xd101f0e, 0x7ea9a5a8, 0xd03d189,
+  0x7eac32a6, 0xcf78383, 0x7eaebd3a, 0xceb34fe,
+  0x7eb14563, 0xcdee5f9, 0x7eb3cb21, 0xcd29676,
+  0x7eb64e75, 0xcc64673, 0x7eb8cf5d, 0xcb9f5f3,
+  0x7ebb4ddb, 0xcada4f5, 0x7ebdc9ed, 0xca1537a,
+  0x7ec04394, 0xc950182, 0x7ec2bad0, 0xc88af0e,
+  0x7ec52fa0, 0xc7c5c1e, 0x7ec7a205, 0xc7008b3,
+  0x7eca11fe, 0xc63b4ce, 0x7ecc7f8b, 0xc57606e,
+  0x7eceeaad, 0xc4b0b94, 0x7ed15363, 0xc3eb641,
+  0x7ed3b9ad, 0xc326075, 0x7ed61d8a, 0xc260a31,
+  0x7ed87efc, 0xc19b374, 0x7edade01, 0xc0d5c41,
+  0x7edd3a9a, 0xc010496, 0x7edf94c7, 0xbf4ac75,
+  0x7ee1ec87, 0xbe853de, 0x7ee441da, 0xbdbfad1,
+  0x7ee694c1, 0xbcfa150, 0x7ee8e53a, 0xbc34759,
+  0x7eeb3347, 0xbb6ecef, 0x7eed7ee7, 0xbaa9211,
+  0x7eefc81a, 0xb9e36c0, 0x7ef20ee0, 0xb91dafc,
+  0x7ef45338, 0xb857ec7, 0x7ef69523, 0xb79221f,
+  0x7ef8d4a1, 0xb6cc506, 0x7efb11b1, 0xb60677c,
+  0x7efd4c54, 0xb540982, 0x7eff8489, 0xb47ab19,
+  0x7f01ba50, 0xb3b4c40, 0x7f03eda9, 0xb2eecf8,
+  0x7f061e95, 0xb228d42, 0x7f084d12, 0xb162d1d,
+  0x7f0a7921, 0xb09cc8c, 0x7f0ca2c2, 0xafd6b8d,
+  0x7f0ec9f5, 0xaf10a22, 0x7f10eeb9, 0xae4a84b,
+  0x7f13110f, 0xad84609, 0x7f1530f7, 0xacbe35b,
+  0x7f174e70, 0xabf8043, 0x7f19697a, 0xab31cc1,
+  0x7f1b8215, 0xaa6b8d5, 0x7f1d9842, 0xa9a5480,
+  0x7f1fabff, 0xa8defc3, 0x7f21bd4e, 0xa818a9d,
+  0x7f23cc2e, 0xa752510, 0x7f25d89e, 0xa68bf1b,
+  0x7f27e29f, 0xa5c58c0, 0x7f29ea31, 0xa4ff1fe,
+  0x7f2bef53, 0xa438ad7, 0x7f2df206, 0xa37234a,
+  0x7f2ff24a, 0xa2abb59, 0x7f31f01d, 0xa1e5303,
+  0x7f33eb81, 0xa11ea49, 0x7f35e476, 0xa05812c,
+  0x7f37dafa, 0x9f917ac, 0x7f39cf0e, 0x9ecadc9,
+  0x7f3bc0b3, 0x9e04385, 0x7f3dafe7, 0x9d3d8df,
+  0x7f3f9cab, 0x9c76dd8, 0x7f4186ff, 0x9bb0271,
+  0x7f436ee3, 0x9ae96aa, 0x7f455456, 0x9a22a83,
+  0x7f473759, 0x995bdfd, 0x7f4917eb, 0x9895118,
+  0x7f4af60d, 0x97ce3d5, 0x7f4cd1be, 0x9707635,
+  0x7f4eaafe, 0x9640837, 0x7f5081cd, 0x95799dd,
+  0x7f52562c, 0x94b2b27, 0x7f54281a, 0x93ebc14,
+  0x7f55f796, 0x9324ca7, 0x7f57c4a2, 0x925dcdf,
+  0x7f598f3c, 0x9196cbc, 0x7f5b5765, 0x90cfc40,
+  0x7f5d1d1d, 0x9008b6a, 0x7f5ee063, 0x8f41a3c,
+  0x7f60a138, 0x8e7a8b5, 0x7f625f9b, 0x8db36d6,
+  0x7f641b8d, 0x8cec4a0, 0x7f65d50d, 0x8c25213,
+  0x7f678c1c, 0x8b5df30, 0x7f6940b8, 0x8a96bf6,
+  0x7f6af2e3, 0x89cf867, 0x7f6ca29c, 0x8908483,
+  0x7f6e4fe3, 0x884104b, 0x7f6ffab8, 0x8779bbe,
+  0x7f71a31b, 0x86b26de, 0x7f73490b, 0x85eb1ab,
+  0x7f74ec8a, 0x8523c25, 0x7f768d96, 0x845c64d,
+  0x7f782c30, 0x8395024, 0x7f79c857, 0x82cd9a9,
+  0x7f7b620c, 0x82062de, 0x7f7cf94e, 0x813ebc2,
+  0x7f7e8e1e, 0x8077457, 0x7f80207b, 0x7fafc9c,
+  0x7f81b065, 0x7ee8493, 0x7f833ddd, 0x7e20c3b,
+  0x7f84c8e2, 0x7d59396, 0x7f865174, 0x7c91aa3,
+  0x7f87d792, 0x7bca163, 0x7f895b3e, 0x7b027d7,
+  0x7f8adc77, 0x7a3adff, 0x7f8c5b3d, 0x79733dc,
+  0x7f8dd78f, 0x78ab96e, 0x7f8f516e, 0x77e3eb5,
+  0x7f90c8da, 0x771c3b3, 0x7f923dd2, 0x7654867,
+  0x7f93b058, 0x758ccd2, 0x7f952069, 0x74c50f4,
+  0x7f968e07, 0x73fd4cf, 0x7f97f932, 0x7335862,
+  0x7f9961e8, 0x726dbae, 0x7f9ac82c, 0x71a5eb3,
+  0x7f9c2bfb, 0x70de172, 0x7f9d8d56, 0x70163eb,
+  0x7f9eec3e, 0x6f4e620, 0x7fa048b2, 0x6e86810,
+  0x7fa1a2b2, 0x6dbe9bb, 0x7fa2fa3d, 0x6cf6b23,
+  0x7fa44f55, 0x6c2ec48, 0x7fa5a1f9, 0x6b66d29,
+  0x7fa6f228, 0x6a9edc9, 0x7fa83fe3, 0x69d6e27,
+  0x7fa98b2a, 0x690ee44, 0x7faad3fd, 0x6846e1f,
+  0x7fac1a5b, 0x677edbb, 0x7fad5e45, 0x66b6d16,
+  0x7fae9fbb, 0x65eec33, 0x7fafdebb, 0x6526b10,
+  0x7fb11b48, 0x645e9af, 0x7fb2555f, 0x6396810,
+  0x7fb38d02, 0x62ce634, 0x7fb4c231, 0x620641a,
+  0x7fb5f4ea, 0x613e1c5, 0x7fb7252f, 0x6075f33,
+  0x7fb852ff, 0x5fadc66, 0x7fb97e5a, 0x5ee595d,
+  0x7fbaa740, 0x5e1d61b, 0x7fbbcdb1, 0x5d5529e,
+  0x7fbcf1ad, 0x5c8cee7, 0x7fbe1334, 0x5bc4af8,
+  0x7fbf3246, 0x5afc6d0, 0x7fc04ee3, 0x5a3426f,
+  0x7fc1690a, 0x596bdd7, 0x7fc280bc, 0x58a3908,
+  0x7fc395f9, 0x57db403, 0x7fc4a8c1, 0x5712ec7,
+  0x7fc5b913, 0x564a955, 0x7fc6c6f0, 0x55823ae,
+  0x7fc7d258, 0x54b9dd3, 0x7fc8db4a, 0x53f17c3,
+  0x7fc9e1c6, 0x532917f, 0x7fcae5cd, 0x5260b08,
+  0x7fcbe75e, 0x519845e, 0x7fcce67a, 0x50cfd82,
+  0x7fcde320, 0x5007674, 0x7fcedd50, 0x4f3ef35,
+  0x7fcfd50b, 0x4e767c5, 0x7fd0ca4f, 0x4dae024,
+  0x7fd1bd1e, 0x4ce5854, 0x7fd2ad77, 0x4c1d054,
+  0x7fd39b5a, 0x4b54825, 0x7fd486c7, 0x4a8bfc7,
+  0x7fd56fbe, 0x49c373c, 0x7fd6563f, 0x48fae83,
+  0x7fd73a4a, 0x483259d, 0x7fd81bdf, 0x4769c8b,
+  0x7fd8fafe, 0x46a134c, 0x7fd9d7a7, 0x45d89e2,
+  0x7fdab1d9, 0x451004d, 0x7fdb8996, 0x444768d,
+  0x7fdc5edc, 0x437eca4, 0x7fdd31ac, 0x42b6290,
+  0x7fde0205, 0x41ed854, 0x7fdecfe8, 0x4124dee,
+  0x7fdf9b55, 0x405c361, 0x7fe0644b, 0x3f938ac,
+  0x7fe12acb, 0x3ecadcf, 0x7fe1eed5, 0x3e022cc,
+  0x7fe2b067, 0x3d397a3, 0x7fe36f84, 0x3c70c54,
+  0x7fe42c2a, 0x3ba80df, 0x7fe4e659, 0x3adf546,
+  0x7fe59e12, 0x3a16988, 0x7fe65354, 0x394dda7,
+  0x7fe7061f, 0x38851a2, 0x7fe7b674, 0x37bc57b,
+  0x7fe86452, 0x36f3931, 0x7fe90fb9, 0x362acc5,
+  0x7fe9b8a9, 0x3562038, 0x7fea5f23, 0x3499389,
+  0x7feb0326, 0x33d06bb, 0x7feba4b2, 0x33079cc,
+  0x7fec43c7, 0x323ecbe, 0x7fece065, 0x3175f91,
+  0x7fed7a8c, 0x30ad245, 0x7fee123d, 0x2fe44dc,
+  0x7feea776, 0x2f1b755, 0x7fef3a39, 0x2e529b0,
+  0x7fefca84, 0x2d89bf0, 0x7ff05858, 0x2cc0e13,
+  0x7ff0e3b6, 0x2bf801a, 0x7ff16c9c, 0x2b2f207,
+  0x7ff1f30b, 0x2a663d8, 0x7ff27703, 0x299d590,
+  0x7ff2f884, 0x28d472e, 0x7ff3778e, 0x280b8b3,
+  0x7ff3f420, 0x2742a1f, 0x7ff46e3c, 0x2679b73,
+  0x7ff4e5e0, 0x25b0caf, 0x7ff55b0d, 0x24e7dd4,
+  0x7ff5cdc3, 0x241eee2, 0x7ff63e01, 0x2355fd9,
+  0x7ff6abc8, 0x228d0bb, 0x7ff71718, 0x21c4188,
+  0x7ff77ff1, 0x20fb240, 0x7ff7e652, 0x20322e3,
+  0x7ff84a3c, 0x1f69373, 0x7ff8abae, 0x1ea03ef,
+  0x7ff90aaa, 0x1dd7459, 0x7ff9672d, 0x1d0e4b0,
+  0x7ff9c13a, 0x1c454f5, 0x7ffa18cf, 0x1b7c528,
+  0x7ffa6dec, 0x1ab354b, 0x7ffac092, 0x19ea55d,
+  0x7ffb10c1, 0x192155f, 0x7ffb5e78, 0x1858552,
+  0x7ffba9b8, 0x178f536, 0x7ffbf280, 0x16c650b,
+  0x7ffc38d1, 0x15fd4d2, 0x7ffc7caa, 0x153448c,
+  0x7ffcbe0c, 0x146b438, 0x7ffcfcf6, 0x13a23d8,
+  0x7ffd3969, 0x12d936c, 0x7ffd7364, 0x12102f4,
+  0x7ffdaae7, 0x1147271, 0x7ffddff3, 0x107e1e3,
+  0x7ffe1288, 0xfb514b, 0x7ffe42a4, 0xeec0aa,
+  0x7ffe704a, 0xe22fff, 0x7ffe9b77, 0xd59f4c,
+  0x7ffec42d, 0xc90e90, 0x7ffeea6c, 0xbc7dcc,
+  0x7fff0e32, 0xafed02, 0x7fff2f82, 0xa35c30,
+  0x7fff4e59, 0x96cb58, 0x7fff6ab9, 0x8a3a7b,
+  0x7fff84a1, 0x7da998, 0x7fff9c12, 0x7118b0,
+  0x7fffb10b, 0x6487c4, 0x7fffc38c, 0x57f6d4,
+  0x7fffd396, 0x4b65e1, 0x7fffe128, 0x3ed4ea,
+  0x7fffec43, 0x3243f1, 0x7ffff4e6, 0x25b2f7,
+  0x7ffffb11, 0x1921fb, 0x7ffffec4, 0xc90fe,
+  0x7fffffff, 0x0, 0x7ffffec4, 0xfff36f02,
+  0x7ffffb11, 0xffe6de05, 0x7ffff4e6, 0xffda4d09,
+  0x7fffec43, 0xffcdbc0f, 0x7fffe128, 0xffc12b16,
+  0x7fffd396, 0xffb49a1f, 0x7fffc38c, 0xffa8092c,
+  0x7fffb10b, 0xff9b783c, 0x7fff9c12, 0xff8ee750,
+  0x7fff84a1, 0xff825668, 0x7fff6ab9, 0xff75c585,
+  0x7fff4e59, 0xff6934a8, 0x7fff2f82, 0xff5ca3d0,
+  0x7fff0e32, 0xff5012fe, 0x7ffeea6c, 0xff438234,
+  0x7ffec42d, 0xff36f170, 0x7ffe9b77, 0xff2a60b4,
+  0x7ffe704a, 0xff1dd001, 0x7ffe42a4, 0xff113f56,
+  0x7ffe1288, 0xff04aeb5, 0x7ffddff3, 0xfef81e1d,
+  0x7ffdaae7, 0xfeeb8d8f, 0x7ffd7364, 0xfedefd0c,
+  0x7ffd3969, 0xfed26c94, 0x7ffcfcf6, 0xfec5dc28,
+  0x7ffcbe0c, 0xfeb94bc8, 0x7ffc7caa, 0xfeacbb74,
+  0x7ffc38d1, 0xfea02b2e, 0x7ffbf280, 0xfe939af5,
+  0x7ffba9b8, 0xfe870aca, 0x7ffb5e78, 0xfe7a7aae,
+  0x7ffb10c1, 0xfe6deaa1, 0x7ffac092, 0xfe615aa3,
+  0x7ffa6dec, 0xfe54cab5, 0x7ffa18cf, 0xfe483ad8,
+  0x7ff9c13a, 0xfe3bab0b, 0x7ff9672d, 0xfe2f1b50,
+  0x7ff90aaa, 0xfe228ba7, 0x7ff8abae, 0xfe15fc11,
+  0x7ff84a3c, 0xfe096c8d, 0x7ff7e652, 0xfdfcdd1d,
+  0x7ff77ff1, 0xfdf04dc0, 0x7ff71718, 0xfde3be78,
+  0x7ff6abc8, 0xfdd72f45, 0x7ff63e01, 0xfdcaa027,
+  0x7ff5cdc3, 0xfdbe111e, 0x7ff55b0d, 0xfdb1822c,
+  0x7ff4e5e0, 0xfda4f351, 0x7ff46e3c, 0xfd98648d,
+  0x7ff3f420, 0xfd8bd5e1, 0x7ff3778e, 0xfd7f474d,
+  0x7ff2f884, 0xfd72b8d2, 0x7ff27703, 0xfd662a70,
+  0x7ff1f30b, 0xfd599c28, 0x7ff16c9c, 0xfd4d0df9,
+  0x7ff0e3b6, 0xfd407fe6, 0x7ff05858, 0xfd33f1ed,
+  0x7fefca84, 0xfd276410, 0x7fef3a39, 0xfd1ad650,
+  0x7feea776, 0xfd0e48ab, 0x7fee123d, 0xfd01bb24,
+  0x7fed7a8c, 0xfcf52dbb, 0x7fece065, 0xfce8a06f,
+  0x7fec43c7, 0xfcdc1342, 0x7feba4b2, 0xfccf8634,
+  0x7feb0326, 0xfcc2f945, 0x7fea5f23, 0xfcb66c77,
+  0x7fe9b8a9, 0xfca9dfc8, 0x7fe90fb9, 0xfc9d533b,
+  0x7fe86452, 0xfc90c6cf, 0x7fe7b674, 0xfc843a85,
+  0x7fe7061f, 0xfc77ae5e, 0x7fe65354, 0xfc6b2259,
+  0x7fe59e12, 0xfc5e9678, 0x7fe4e659, 0xfc520aba,
+  0x7fe42c2a, 0xfc457f21, 0x7fe36f84, 0xfc38f3ac,
+  0x7fe2b067, 0xfc2c685d, 0x7fe1eed5, 0xfc1fdd34,
+  0x7fe12acb, 0xfc135231, 0x7fe0644b, 0xfc06c754,
+  0x7fdf9b55, 0xfbfa3c9f, 0x7fdecfe8, 0xfbedb212,
+  0x7fde0205, 0xfbe127ac, 0x7fdd31ac, 0xfbd49d70,
+  0x7fdc5edc, 0xfbc8135c, 0x7fdb8996, 0xfbbb8973,
+  0x7fdab1d9, 0xfbaeffb3, 0x7fd9d7a7, 0xfba2761e,
+  0x7fd8fafe, 0xfb95ecb4, 0x7fd81bdf, 0xfb896375,
+  0x7fd73a4a, 0xfb7cda63, 0x7fd6563f, 0xfb70517d,
+  0x7fd56fbe, 0xfb63c8c4, 0x7fd486c7, 0xfb574039,
+  0x7fd39b5a, 0xfb4ab7db, 0x7fd2ad77, 0xfb3e2fac,
+  0x7fd1bd1e, 0xfb31a7ac, 0x7fd0ca4f, 0xfb251fdc,
+  0x7fcfd50b, 0xfb18983b, 0x7fcedd50, 0xfb0c10cb,
+  0x7fcde320, 0xfaff898c, 0x7fcce67a, 0xfaf3027e,
+  0x7fcbe75e, 0xfae67ba2, 0x7fcae5cd, 0xfad9f4f8,
+  0x7fc9e1c6, 0xfacd6e81, 0x7fc8db4a, 0xfac0e83d,
+  0x7fc7d258, 0xfab4622d, 0x7fc6c6f0, 0xfaa7dc52,
+  0x7fc5b913, 0xfa9b56ab, 0x7fc4a8c1, 0xfa8ed139,
+  0x7fc395f9, 0xfa824bfd, 0x7fc280bc, 0xfa75c6f8,
+  0x7fc1690a, 0xfa694229, 0x7fc04ee3, 0xfa5cbd91,
+  0x7fbf3246, 0xfa503930, 0x7fbe1334, 0xfa43b508,
+  0x7fbcf1ad, 0xfa373119, 0x7fbbcdb1, 0xfa2aad62,
+  0x7fbaa740, 0xfa1e29e5, 0x7fb97e5a, 0xfa11a6a3,
+  0x7fb852ff, 0xfa05239a, 0x7fb7252f, 0xf9f8a0cd,
+  0x7fb5f4ea, 0xf9ec1e3b, 0x7fb4c231, 0xf9df9be6,
+  0x7fb38d02, 0xf9d319cc, 0x7fb2555f, 0xf9c697f0,
+  0x7fb11b48, 0xf9ba1651, 0x7fafdebb, 0xf9ad94f0,
+  0x7fae9fbb, 0xf9a113cd, 0x7fad5e45, 0xf99492ea,
+  0x7fac1a5b, 0xf9881245, 0x7faad3fd, 0xf97b91e1,
+  0x7fa98b2a, 0xf96f11bc, 0x7fa83fe3, 0xf96291d9,
+  0x7fa6f228, 0xf9561237, 0x7fa5a1f9, 0xf94992d7,
+  0x7fa44f55, 0xf93d13b8, 0x7fa2fa3d, 0xf93094dd,
+  0x7fa1a2b2, 0xf9241645, 0x7fa048b2, 0xf91797f0,
+  0x7f9eec3e, 0xf90b19e0, 0x7f9d8d56, 0xf8fe9c15,
+  0x7f9c2bfb, 0xf8f21e8e, 0x7f9ac82c, 0xf8e5a14d,
+  0x7f9961e8, 0xf8d92452, 0x7f97f932, 0xf8cca79e,
+  0x7f968e07, 0xf8c02b31, 0x7f952069, 0xf8b3af0c,
+  0x7f93b058, 0xf8a7332e, 0x7f923dd2, 0xf89ab799,
+  0x7f90c8da, 0xf88e3c4d, 0x7f8f516e, 0xf881c14b,
+  0x7f8dd78f, 0xf8754692, 0x7f8c5b3d, 0xf868cc24,
+  0x7f8adc77, 0xf85c5201, 0x7f895b3e, 0xf84fd829,
+  0x7f87d792, 0xf8435e9d, 0x7f865174, 0xf836e55d,
+  0x7f84c8e2, 0xf82a6c6a, 0x7f833ddd, 0xf81df3c5,
+  0x7f81b065, 0xf8117b6d, 0x7f80207b, 0xf8050364,
+  0x7f7e8e1e, 0xf7f88ba9, 0x7f7cf94e, 0xf7ec143e,
+  0x7f7b620c, 0xf7df9d22, 0x7f79c857, 0xf7d32657,
+  0x7f782c30, 0xf7c6afdc, 0x7f768d96, 0xf7ba39b3,
+  0x7f74ec8a, 0xf7adc3db, 0x7f73490b, 0xf7a14e55,
+  0x7f71a31b, 0xf794d922, 0x7f6ffab8, 0xf7886442,
+  0x7f6e4fe3, 0xf77befb5, 0x7f6ca29c, 0xf76f7b7d,
+  0x7f6af2e3, 0xf7630799, 0x7f6940b8, 0xf756940a,
+  0x7f678c1c, 0xf74a20d0, 0x7f65d50d, 0xf73daded,
+  0x7f641b8d, 0xf7313b60, 0x7f625f9b, 0xf724c92a,
+  0x7f60a138, 0xf718574b, 0x7f5ee063, 0xf70be5c4,
+  0x7f5d1d1d, 0xf6ff7496, 0x7f5b5765, 0xf6f303c0,
+  0x7f598f3c, 0xf6e69344, 0x7f57c4a2, 0xf6da2321,
+  0x7f55f796, 0xf6cdb359, 0x7f54281a, 0xf6c143ec,
+  0x7f52562c, 0xf6b4d4d9, 0x7f5081cd, 0xf6a86623,
+  0x7f4eaafe, 0xf69bf7c9, 0x7f4cd1be, 0xf68f89cb,
+  0x7f4af60d, 0xf6831c2b, 0x7f4917eb, 0xf676aee8,
+  0x7f473759, 0xf66a4203, 0x7f455456, 0xf65dd57d,
+  0x7f436ee3, 0xf6516956, 0x7f4186ff, 0xf644fd8f,
+  0x7f3f9cab, 0xf6389228, 0x7f3dafe7, 0xf62c2721,
+  0x7f3bc0b3, 0xf61fbc7b, 0x7f39cf0e, 0xf6135237,
+  0x7f37dafa, 0xf606e854, 0x7f35e476, 0xf5fa7ed4,
+  0x7f33eb81, 0xf5ee15b7, 0x7f31f01d, 0xf5e1acfd,
+  0x7f2ff24a, 0xf5d544a7, 0x7f2df206, 0xf5c8dcb6,
+  0x7f2bef53, 0xf5bc7529, 0x7f29ea31, 0xf5b00e02,
+  0x7f27e29f, 0xf5a3a740, 0x7f25d89e, 0xf59740e5,
+  0x7f23cc2e, 0xf58adaf0, 0x7f21bd4e, 0xf57e7563,
+  0x7f1fabff, 0xf572103d, 0x7f1d9842, 0xf565ab80,
+  0x7f1b8215, 0xf559472b, 0x7f19697a, 0xf54ce33f,
+  0x7f174e70, 0xf5407fbd, 0x7f1530f7, 0xf5341ca5,
+  0x7f13110f, 0xf527b9f7, 0x7f10eeb9, 0xf51b57b5,
+  0x7f0ec9f5, 0xf50ef5de, 0x7f0ca2c2, 0xf5029473,
+  0x7f0a7921, 0xf4f63374, 0x7f084d12, 0xf4e9d2e3,
+  0x7f061e95, 0xf4dd72be, 0x7f03eda9, 0xf4d11308,
+  0x7f01ba50, 0xf4c4b3c0, 0x7eff8489, 0xf4b854e7,
+  0x7efd4c54, 0xf4abf67e, 0x7efb11b1, 0xf49f9884,
+  0x7ef8d4a1, 0xf4933afa, 0x7ef69523, 0xf486dde1,
+  0x7ef45338, 0xf47a8139, 0x7ef20ee0, 0xf46e2504,
+  0x7eefc81a, 0xf461c940, 0x7eed7ee7, 0xf4556def,
+  0x7eeb3347, 0xf4491311, 0x7ee8e53a, 0xf43cb8a7,
+  0x7ee694c1, 0xf4305eb0, 0x7ee441da, 0xf424052f,
+  0x7ee1ec87, 0xf417ac22, 0x7edf94c7, 0xf40b538b,
+  0x7edd3a9a, 0xf3fefb6a, 0x7edade01, 0xf3f2a3bf,
+  0x7ed87efc, 0xf3e64c8c, 0x7ed61d8a, 0xf3d9f5cf,
+  0x7ed3b9ad, 0xf3cd9f8b, 0x7ed15363, 0xf3c149bf,
+  0x7eceeaad, 0xf3b4f46c, 0x7ecc7f8b, 0xf3a89f92,
+  0x7eca11fe, 0xf39c4b32, 0x7ec7a205, 0xf38ff74d,
+  0x7ec52fa0, 0xf383a3e2, 0x7ec2bad0, 0xf37750f2,
+  0x7ec04394, 0xf36afe7e, 0x7ebdc9ed, 0xf35eac86,
+  0x7ebb4ddb, 0xf3525b0b, 0x7eb8cf5d, 0xf3460a0d,
+  0x7eb64e75, 0xf339b98d, 0x7eb3cb21, 0xf32d698a,
+  0x7eb14563, 0xf3211a07, 0x7eaebd3a, 0xf314cb02,
+  0x7eac32a6, 0xf3087c7d, 0x7ea9a5a8, 0xf2fc2e77,
+  0x7ea7163f, 0xf2efe0f2, 0x7ea4846c, 0xf2e393ef,
+  0x7ea1f02f, 0xf2d7476c, 0x7e9f5988, 0xf2cafb6b,
+  0x7e9cc076, 0xf2beafed, 0x7e9a24fb, 0xf2b264f2,
+  0x7e978715, 0xf2a61a7a, 0x7e94e6c6, 0xf299d085,
+  0x7e92440d, 0xf28d8715, 0x7e8f9eeb, 0xf2813e2a,
+  0x7e8cf75f, 0xf274f5c3, 0x7e8a4d6a, 0xf268ade3,
+  0x7e87a10c, 0xf25c6688, 0x7e84f245, 0xf2501fb5,
+  0x7e824114, 0xf243d968, 0x7e7f8d7b, 0xf23793a3,
+  0x7e7cd778, 0xf22b4e66, 0x7e7a1f0d, 0xf21f09b1,
+  0x7e77643a, 0xf212c585, 0x7e74a6fd, 0xf20681e3,
+  0x7e71e759, 0xf1fa3ecb, 0x7e6f254c, 0xf1edfc3d,
+  0x7e6c60d7, 0xf1e1ba3a, 0x7e6999fa, 0xf1d578c2,
+  0x7e66d0b4, 0xf1c937d6, 0x7e640507, 0xf1bcf777,
+  0x7e6136f3, 0xf1b0b7a4, 0x7e5e6676, 0xf1a4785e,
+  0x7e5b9392, 0xf19839a6, 0x7e58be47, 0xf18bfb7d,
+  0x7e55e694, 0xf17fbde2, 0x7e530c7a, 0xf17380d6,
+  0x7e502ff9, 0xf1674459, 0x7e4d5110, 0xf15b086d,
+  0x7e4a6fc1, 0xf14ecd11, 0x7e478c0b, 0xf1429247,
+  0x7e44a5ef, 0xf136580d, 0x7e41bd6c, 0xf12a1e66,
+  0x7e3ed282, 0xf11de551, 0x7e3be532, 0xf111accf,
+  0x7e38f57c, 0xf10574e0, 0x7e360360, 0xf0f93d86,
+  0x7e330ede, 0xf0ed06bf, 0x7e3017f6, 0xf0e0d08d,
+  0x7e2d1ea8, 0xf0d49af1, 0x7e2a22f4, 0xf0c865ea,
+  0x7e2724db, 0xf0bc317a, 0x7e24245d, 0xf0affda0,
+  0x7e212179, 0xf0a3ca5d, 0x7e1e1c30, 0xf09797b2,
+  0x7e1b1482, 0xf08b659f, 0x7e180a6f, 0xf07f3424,
+  0x7e14fdf7, 0xf0730342, 0x7e11ef1b, 0xf066d2fa,
+  0x7e0eddd9, 0xf05aa34c, 0x7e0bca34, 0xf04e7438,
+  0x7e08b42a, 0xf04245c0, 0x7e059bbb, 0xf03617e2,
+  0x7e0280e9, 0xf029eaa1, 0x7dff63b2, 0xf01dbdfb,
+  0x7dfc4418, 0xf01191f3, 0x7df9221a, 0xf0056687,
+  0x7df5fdb8, 0xeff93bba, 0x7df2d6f3, 0xefed118a,
+  0x7defadca, 0xefe0e7f9, 0x7dec823e, 0xefd4bf08,
+  0x7de9544f, 0xefc896b5, 0x7de623fd, 0xefbc6f03,
+  0x7de2f148, 0xefb047f2, 0x7ddfbc30, 0xefa42181,
+  0x7ddc84b5, 0xef97fbb2, 0x7dd94ad8, 0xef8bd685,
+  0x7dd60e99, 0xef7fb1fa, 0x7dd2cff7, 0xef738e12,
+  0x7dcf8ef3, 0xef676ace, 0x7dcc4b8d, 0xef5b482d,
+  0x7dc905c5, 0xef4f2630, 0x7dc5bd9b, 0xef4304d8,
+  0x7dc2730f, 0xef36e426, 0x7dbf2622, 0xef2ac419,
+  0x7dbbd6d4, 0xef1ea4b2, 0x7db88524, 0xef1285f2,
+  0x7db53113, 0xef0667d9, 0x7db1daa2, 0xeefa4a67,
+  0x7dae81cf, 0xeeee2d9d, 0x7dab269b, 0xeee2117c,
+  0x7da7c907, 0xeed5f604, 0x7da46912, 0xeec9db35,
+  0x7da106bd, 0xeebdc110, 0x7d9da208, 0xeeb1a796,
+  0x7d9a3af2, 0xeea58ec6, 0x7d96d17d, 0xee9976a1,
+  0x7d9365a8, 0xee8d5f29, 0x7d8ff772, 0xee81485c,
+  0x7d8c86de, 0xee75323c, 0x7d8913ea, 0xee691cc9,
+  0x7d859e96, 0xee5d0804, 0x7d8226e4, 0xee50f3ed,
+  0x7d7eacd2, 0xee44e084, 0x7d7b3061, 0xee38cdcb,
+  0x7d77b192, 0xee2cbbc1, 0x7d743064, 0xee20aa67,
+  0x7d70acd7, 0xee1499bd, 0x7d6d26ec, 0xee0889c4,
+  0x7d699ea3, 0xedfc7a7c, 0x7d6613fb, 0xedf06be6,
+  0x7d6286f6, 0xede45e03, 0x7d5ef793, 0xedd850d2,
+  0x7d5b65d2, 0xedcc4454, 0x7d57d1b3, 0xedc0388a,
+  0x7d543b37, 0xedb42d74, 0x7d50a25e, 0xeda82313,
+  0x7d4d0728, 0xed9c1967, 0x7d496994, 0xed901070,
+  0x7d45c9a4, 0xed84082f, 0x7d422757, 0xed7800a5,
+  0x7d3e82ae, 0xed6bf9d1, 0x7d3adba7, 0xed5ff3b5,
+  0x7d373245, 0xed53ee51, 0x7d338687, 0xed47e9a5,
+  0x7d2fd86c, 0xed3be5b1, 0x7d2c27f6, 0xed2fe277,
+  0x7d287523, 0xed23dff7, 0x7d24bff6, 0xed17de31,
+  0x7d21086c, 0xed0bdd25, 0x7d1d4e88, 0xecffdcd4,
+  0x7d199248, 0xecf3dd3f, 0x7d15d3ad, 0xece7de66,
+  0x7d1212b7, 0xecdbe04a, 0x7d0e4f67, 0xeccfe2ea,
+  0x7d0a89bc, 0xecc3e648, 0x7d06c1b6, 0xecb7ea63,
+  0x7d02f757, 0xecabef3d, 0x7cff2a9d, 0xec9ff4d6,
+  0x7cfb5b89, 0xec93fb2e, 0x7cf78a1b, 0xec880245,
+  0x7cf3b653, 0xec7c0a1d, 0x7cefe032, 0xec7012b5,
+  0x7cec07b8, 0xec641c0e, 0x7ce82ce4, 0xec582629,
+  0x7ce44fb7, 0xec4c3106, 0x7ce07031, 0xec403ca5,
+  0x7cdc8e52, 0xec344908, 0x7cd8aa1b, 0xec28562d,
+  0x7cd4c38b, 0xec1c6417, 0x7cd0daa2, 0xec1072c4,
+  0x7cccef62, 0xec048237, 0x7cc901c9, 0xebf8926f,
+  0x7cc511d9, 0xebeca36c, 0x7cc11f90, 0xebe0b52f,
+  0x7cbd2af0, 0xebd4c7ba, 0x7cb933f9, 0xebc8db0b,
+  0x7cb53aaa, 0xebbcef23, 0x7cb13f04, 0xebb10404,
+  0x7cad4107, 0xeba519ad, 0x7ca940b3, 0xeb99301f,
+  0x7ca53e09, 0xeb8d475b, 0x7ca13908, 0xeb815f60,
+  0x7c9d31b0, 0xeb75782f, 0x7c992803, 0xeb6991ca,
+  0x7c951bff, 0xeb5dac2f, 0x7c910da5, 0xeb51c760,
+  0x7c8cfcf6, 0xeb45e35d, 0x7c88e9f1, 0xeb3a0027,
+  0x7c84d496, 0xeb2e1dbe, 0x7c80bce7, 0xeb223c22,
+  0x7c7ca2e2, 0xeb165b54, 0x7c788688, 0xeb0a7b54,
+  0x7c7467d9, 0xeafe9c24, 0x7c7046d6, 0xeaf2bdc3,
+  0x7c6c237e, 0xeae6e031, 0x7c67fdd1, 0xeadb0370,
+  0x7c63d5d1, 0xeacf277f, 0x7c5fab7c, 0xeac34c60,
+  0x7c5b7ed4, 0xeab77212, 0x7c574fd8, 0xeaab9896,
+  0x7c531e88, 0xea9fbfed, 0x7c4eeae5, 0xea93e817,
+  0x7c4ab4ef, 0xea881114, 0x7c467ca6, 0xea7c3ae5,
+  0x7c42420a, 0xea70658a, 0x7c3e051b, 0xea649105,
+  0x7c39c5da, 0xea58bd54, 0x7c358446, 0xea4cea79,
+  0x7c314060, 0xea411874, 0x7c2cfa28, 0xea354746,
+  0x7c28b19e, 0xea2976ef, 0x7c2466c2, 0xea1da770,
+  0x7c201994, 0xea11d8c8, 0x7c1bca16, 0xea060af9,
+  0x7c177845, 0xe9fa3e03, 0x7c132424, 0xe9ee71e6,
+  0x7c0ecdb2, 0xe9e2a6a3, 0x7c0a74f0, 0xe9d6dc3b,
+  0x7c0619dc, 0xe9cb12ad, 0x7c01bc78, 0xe9bf49fa,
+  0x7bfd5cc4, 0xe9b38223, 0x7bf8fac0, 0xe9a7bb28,
+  0x7bf4966c, 0xe99bf509, 0x7bf02fc9, 0xe9902fc7,
+  0x7bebc6d5, 0xe9846b63, 0x7be75b93, 0xe978a7dd,
+  0x7be2ee01, 0xe96ce535, 0x7bde7e20, 0xe961236c,
+  0x7bda0bf0, 0xe9556282, 0x7bd59771, 0xe949a278,
+  0x7bd120a4, 0xe93de34e, 0x7bcca789, 0xe9322505,
+  0x7bc82c1f, 0xe926679c, 0x7bc3ae67, 0xe91aab16,
+  0x7bbf2e62, 0xe90eef71, 0x7bbaac0e, 0xe90334af,
+  0x7bb6276e, 0xe8f77acf, 0x7bb1a080, 0xe8ebc1d3,
+  0x7bad1744, 0xe8e009ba, 0x7ba88bbc, 0xe8d45286,
+  0x7ba3fde7, 0xe8c89c37, 0x7b9f6dc5, 0xe8bce6cd,
+  0x7b9adb57, 0xe8b13248, 0x7b96469d, 0xe8a57ea9,
+  0x7b91af97, 0xe899cbf1, 0x7b8d1644, 0xe88e1a20,
+  0x7b887aa6, 0xe8826936, 0x7b83dcbc, 0xe876b934,
+  0x7b7f3c87, 0xe86b0a1a, 0x7b7a9a07, 0xe85f5be9,
+  0x7b75f53c, 0xe853aea1, 0x7b714e25, 0xe8480243,
+  0x7b6ca4c4, 0xe83c56cf, 0x7b67f919, 0xe830ac45,
+  0x7b634b23, 0xe82502a7, 0x7b5e9ae4, 0xe81959f4,
+  0x7b59e85a, 0xe80db22d, 0x7b553386, 0xe8020b52,
+  0x7b507c69, 0xe7f66564, 0x7b4bc303, 0xe7eac063,
+  0x7b470753, 0xe7df1c50, 0x7b42495a, 0xe7d3792b,
+  0x7b3d8918, 0xe7c7d6f4, 0x7b38c68e, 0xe7bc35ad,
+  0x7b3401bb, 0xe7b09555, 0x7b2f3aa0, 0xe7a4f5ed,
+  0x7b2a713d, 0xe7995776, 0x7b25a591, 0xe78db9ef,
+  0x7b20d79e, 0xe7821d59, 0x7b1c0764, 0xe77681b6,
+  0x7b1734e2, 0xe76ae704, 0x7b126019, 0xe75f4d45,
+  0x7b0d8909, 0xe753b479, 0x7b08afb2, 0xe7481ca1,
+  0x7b03d414, 0xe73c85bc, 0x7afef630, 0xe730efcc,
+  0x7afa1605, 0xe7255ad1, 0x7af53395, 0xe719c6cb,
+  0x7af04edf, 0xe70e33bb, 0x7aeb67e3, 0xe702a1a1,
+  0x7ae67ea1, 0xe6f7107e, 0x7ae1931a, 0xe6eb8052,
+  0x7adca54e, 0xe6dff11d, 0x7ad7b53d, 0xe6d462e1,
+  0x7ad2c2e8, 0xe6c8d59c, 0x7acdce4d, 0xe6bd4951,
+  0x7ac8d76f, 0xe6b1bdff, 0x7ac3de4c, 0xe6a633a6,
+  0x7abee2e5, 0xe69aaa48, 0x7ab9e53a, 0xe68f21e5,
+  0x7ab4e54c, 0xe6839a7c, 0x7aafe31b, 0xe6781410,
+  0x7aaadea6, 0xe66c8e9f, 0x7aa5d7ee, 0xe6610a2a,
+  0x7aa0cef3, 0xe65586b3, 0x7a9bc3b6, 0xe64a0438,
+  0x7a96b636, 0xe63e82bc, 0x7a91a674, 0xe633023e,
+  0x7a8c9470, 0xe62782be, 0x7a87802a, 0xe61c043d,
+  0x7a8269a3, 0xe61086bc, 0x7a7d50da, 0xe6050a3b,
+  0x7a7835cf, 0xe5f98ebb, 0x7a731884, 0xe5ee143b,
+  0x7a6df8f8, 0xe5e29abc, 0x7a68d72b, 0xe5d72240,
+  0x7a63b31d, 0xe5cbaac5, 0x7a5e8cd0, 0xe5c0344d,
+  0x7a596442, 0xe5b4bed8, 0x7a543974, 0xe5a94a67,
+  0x7a4f0c67, 0xe59dd6f9, 0x7a49dd1a, 0xe5926490,
+  0x7a44ab8e, 0xe586f32c, 0x7a3f77c3, 0xe57b82cd,
+  0x7a3a41b9, 0xe5701374, 0x7a350970, 0xe564a521,
+  0x7a2fcee8, 0xe55937d5, 0x7a2a9223, 0xe54dcb8f,
+  0x7a25531f, 0xe5426051, 0x7a2011de, 0xe536f61b,
+  0x7a1ace5f, 0xe52b8cee, 0x7a1588a2, 0xe52024c9,
+  0x7a1040a8, 0xe514bdad, 0x7a0af671, 0xe509579b,
+  0x7a05a9fd, 0xe4fdf294, 0x7a005b4d, 0xe4f28e96,
+  0x79fb0a60, 0xe4e72ba4, 0x79f5b737, 0xe4dbc9bd,
+  0x79f061d2, 0xe4d068e2, 0x79eb0a31, 0xe4c50914,
+  0x79e5b054, 0xe4b9aa52, 0x79e0543c, 0xe4ae4c9d,
+  0x79daf5e8, 0xe4a2eff6, 0x79d5955a, 0xe497945d,
+  0x79d03291, 0xe48c39d3, 0x79cacd8d, 0xe480e057,
+  0x79c5664f, 0xe47587eb, 0x79bffcd7, 0xe46a308f,
+  0x79ba9125, 0xe45eda43, 0x79b52339, 0xe4538507,
+  0x79afb313, 0xe44830dd, 0x79aa40b4, 0xe43cddc4,
+  0x79a4cc1c, 0xe4318bbe, 0x799f554b, 0xe4263ac9,
+  0x7999dc42, 0xe41aeae8, 0x799460ff, 0xe40f9c1a,
+  0x798ee385, 0xe4044e60, 0x798963d2, 0xe3f901ba,
+  0x7983e1e8, 0xe3edb628, 0x797e5dc6, 0xe3e26bac,
+  0x7978d76c, 0xe3d72245, 0x79734edc, 0xe3cbd9f4,
+  0x796dc414, 0xe3c092b9, 0x79683715, 0xe3b54c95,
+  0x7962a7e0, 0xe3aa0788, 0x795d1675, 0xe39ec393,
+  0x795782d3, 0xe39380b6, 0x7951ecfc, 0xe3883ef2,
+  0x794c54ee, 0xe37cfe47, 0x7946baac, 0xe371beb5,
+  0x79411e33, 0xe366803c, 0x793b7f86, 0xe35b42df,
+  0x7935dea4, 0xe350069b, 0x79303b8e, 0xe344cb73,
+  0x792a9642, 0xe3399167, 0x7924eec3, 0xe32e5876,
+  0x791f4510, 0xe32320a2, 0x79199929, 0xe317e9eb,
+  0x7913eb0e, 0xe30cb451, 0x790e3ac0, 0xe3017fd5,
+  0x7908883f, 0xe2f64c77, 0x7902d38b, 0xe2eb1a37,
+  0x78fd1ca4, 0xe2dfe917, 0x78f7638b, 0xe2d4b916,
+  0x78f1a840, 0xe2c98a35, 0x78ebeac2, 0xe2be5c74,
+  0x78e62b13, 0xe2b32fd4, 0x78e06932, 0xe2a80456,
+  0x78daa520, 0xe29cd9f8, 0x78d4dedd, 0xe291b0bd,
+  0x78cf1669, 0xe28688a4, 0x78c94bc4, 0xe27b61af,
+  0x78c37eef, 0xe2703bdc, 0x78bdafea, 0xe265172e,
+  0x78b7deb4, 0xe259f3a3, 0x78b20b4f, 0xe24ed13d,
+  0x78ac35ba, 0xe243affc, 0x78a65df6, 0xe2388fe1,
+  0x78a08402, 0xe22d70eb, 0x789aa7e0, 0xe222531c,
+  0x7894c98f, 0xe2173674, 0x788ee910, 0xe20c1af3,
+  0x78890663, 0xe2010099, 0x78832187, 0xe1f5e768,
+  0x787d3a7e, 0xe1eacf5f, 0x78775147, 0xe1dfb87f,
+  0x787165e3, 0xe1d4a2c8, 0x786b7852, 0xe1c98e3b,
+  0x78658894, 0xe1be7ad8, 0x785f96a9, 0xe1b368a0,
+  0x7859a292, 0xe1a85793, 0x7853ac4f, 0xe19d47b1,
+  0x784db3e0, 0xe19238fb, 0x7847b946, 0xe1872b72,
+  0x7841bc7f, 0xe17c1f15, 0x783bbd8e, 0xe17113e5,
+  0x7835bc71, 0xe16609e3, 0x782fb92a, 0xe15b0110,
+  0x7829b3b9, 0xe14ff96a, 0x7823ac1d, 0xe144f2f3,
+  0x781da256, 0xe139edac, 0x78179666, 0xe12ee995,
+  0x7811884d, 0xe123e6ad, 0x780b780a, 0xe118e4f6,
+  0x7805659e, 0xe10de470, 0x77ff5109, 0xe102e51c,
+  0x77f93a4b, 0xe0f7e6f9, 0x77f32165, 0xe0ecea09,
+  0x77ed0657, 0xe0e1ee4b, 0x77e6e921, 0xe0d6f3c1,
+  0x77e0c9c3, 0xe0cbfa6a, 0x77daa83d, 0xe0c10247,
+  0x77d48490, 0xe0b60b58, 0x77ce5ebd, 0xe0ab159e,
+  0x77c836c2, 0xe0a0211a, 0x77c20ca1, 0xe0952dcb,
+  0x77bbe05a, 0xe08a3bb2, 0x77b5b1ec, 0xe07f4acf,
+  0x77af8159, 0xe0745b24, 0x77a94ea0, 0xe0696cb0,
+  0x77a319c2, 0xe05e7f74, 0x779ce2be, 0xe053936f,
+  0x7796a996, 0xe048a8a4, 0x77906e49, 0xe03dbf11,
+  0x778a30d8, 0xe032d6b8, 0x7783f143, 0xe027ef99,
+  0x777daf89, 0xe01d09b4, 0x77776bac, 0xe012250a,
+  0x777125ac, 0xe007419b, 0x776add88, 0xdffc5f67,
+  0x77649341, 0xdff17e70, 0x775e46d8, 0xdfe69eb4,
+  0x7757f84c, 0xdfdbc036, 0x7751a79e, 0xdfd0e2f5,
+  0x774b54ce, 0xdfc606f1, 0x7744ffdd, 0xdfbb2c2c,
+  0x773ea8ca, 0xdfb052a5, 0x77384f95, 0xdfa57a5d,
+  0x7731f440, 0xdf9aa354, 0x772b96ca, 0xdf8fcd8b,
+  0x77253733, 0xdf84f902, 0x771ed57c, 0xdf7a25ba,
+  0x771871a5, 0xdf6f53b3, 0x77120bae, 0xdf6482ed,
+  0x770ba398, 0xdf59b369, 0x77053962, 0xdf4ee527,
+  0x76fecd0e, 0xdf441828, 0x76f85e9a, 0xdf394c6b,
+  0x76f1ee09, 0xdf2e81f3, 0x76eb7b58, 0xdf23b8be,
+  0x76e5068a, 0xdf18f0ce, 0x76de8f9e, 0xdf0e2a22,
+  0x76d81695, 0xdf0364bc, 0x76d19b6e, 0xdef8a09b,
+  0x76cb1e2a, 0xdeedddc0, 0x76c49ec9, 0xdee31c2b,
+  0x76be1d4c, 0xded85bdd, 0x76b799b3, 0xdecd9cd7,
+  0x76b113fd, 0xdec2df18, 0x76aa8c2c, 0xdeb822a1,
+  0x76a4023f, 0xdead6773, 0x769d7637, 0xdea2ad8d,
+  0x7696e814, 0xde97f4f1, 0x769057d6, 0xde8d3d9e,
+  0x7689c57d, 0xde828796, 0x7683310b, 0xde77d2d8,
+  0x767c9a7e, 0xde6d1f65, 0x767601d7, 0xde626d3e,
+  0x766f6717, 0xde57bc62, 0x7668ca3e, 0xde4d0cd2,
+  0x76622b4c, 0xde425e8f, 0x765b8a41, 0xde37b199,
+  0x7654e71d, 0xde2d05f1, 0x764e41e2, 0xde225b96,
+  0x76479a8e, 0xde17b28a, 0x7640f123, 0xde0d0acc,
+  0x763a45a0, 0xde02645d, 0x76339806, 0xddf7bf3e,
+  0x762ce855, 0xdded1b6e, 0x7626368d, 0xdde278ef,
+  0x761f82af, 0xddd7d7c1, 0x7618ccba, 0xddcd37e4,
+  0x761214b0, 0xddc29958, 0x760b5a90, 0xddb7fc1e,
+  0x76049e5b, 0xddad6036, 0x75fde011, 0xdda2c5a2,
+  0x75f71fb1, 0xdd982c60, 0x75f05d3d, 0xdd8d9472,
+  0x75e998b5, 0xdd82fdd8, 0x75e2d219, 0xdd786892,
+  0x75dc0968, 0xdd6dd4a2, 0x75d53ea5, 0xdd634206,
+  0x75ce71ce, 0xdd58b0c0, 0x75c7a2e3, 0xdd4e20d0,
+  0x75c0d1e7, 0xdd439236, 0x75b9fed7, 0xdd3904f4,
+  0x75b329b5, 0xdd2e7908, 0x75ac5282, 0xdd23ee74,
+  0x75a5793c, 0xdd196538, 0x759e9de5, 0xdd0edd55,
+  0x7597c07d, 0xdd0456ca, 0x7590e104, 0xdcf9d199,
+  0x7589ff7a, 0xdcef4dc2, 0x75831be0, 0xdce4cb44,
+  0x757c3636, 0xdcda4a21, 0x75754e7c, 0xdccfca59,
+  0x756e64b2, 0xdcc54bec, 0x756778d9, 0xdcbacedb,
+  0x75608af1, 0xdcb05326, 0x75599afa, 0xdca5d8cd,
+  0x7552a8f4, 0xdc9b5fd2, 0x754bb4e1, 0xdc90e834,
+  0x7544bebf, 0xdc8671f3, 0x753dc68f, 0xdc7bfd11,
+  0x7536cc52, 0xdc71898d, 0x752fd008, 0xdc671768,
+  0x7528d1b1, 0xdc5ca6a2, 0x7521d14d, 0xdc52373c,
+  0x751acedd, 0xdc47c936, 0x7513ca60, 0xdc3d5c91,
+  0x750cc3d8, 0xdc32f14d, 0x7505bb44, 0xdc28876a,
+  0x74feb0a5, 0xdc1e1ee9, 0x74f7a3fb, 0xdc13b7c9,
+  0x74f09546, 0xdc09520d, 0x74e98487, 0xdbfeedb3,
+  0x74e271bd, 0xdbf48abd, 0x74db5cea, 0xdbea292b,
+  0x74d4460c, 0xdbdfc8fc, 0x74cd2d26, 0xdbd56a32,
+  0x74c61236, 0xdbcb0cce, 0x74bef53d, 0xdbc0b0ce,
+  0x74b7d63c, 0xdbb65634, 0x74b0b533, 0xdbabfd01,
+  0x74a99221, 0xdba1a534, 0x74a26d08, 0xdb974ece,
+  0x749b45e7, 0xdb8cf9cf, 0x74941cbf, 0xdb82a638,
+  0x748cf190, 0xdb785409, 0x7485c45b, 0xdb6e0342,
+  0x747e951f, 0xdb63b3e5, 0x747763dd, 0xdb5965f1,
+  0x74703095, 0xdb4f1967, 0x7468fb47, 0xdb44ce46,
+  0x7461c3f5, 0xdb3a8491, 0x745a8a9d, 0xdb303c46,
+  0x74534f41, 0xdb25f566, 0x744c11e0, 0xdb1baff2,
+  0x7444d27b, 0xdb116beb, 0x743d9112, 0xdb072950,
+  0x74364da6, 0xdafce821, 0x742f0836, 0xdaf2a860,
+  0x7427c0c3, 0xdae86a0d, 0x7420774d, 0xdade2d28,
+  0x74192bd5, 0xdad3f1b1, 0x7411de5b, 0xdac9b7a9,
+  0x740a8edf, 0xdabf7f11, 0x74033d61, 0xdab547e8,
+  0x73fbe9e2, 0xdaab122f, 0x73f49462, 0xdaa0dde7,
+  0x73ed3ce1, 0xda96ab0f, 0x73e5e360, 0xda8c79a9,
+  0x73de87de, 0xda8249b4, 0x73d72a5d, 0xda781b31,
+  0x73cfcadc, 0xda6dee21, 0x73c8695b, 0xda63c284,
+  0x73c105db, 0xda599859, 0x73b9a05d, 0xda4f6fa3,
+  0x73b238e0, 0xda454860, 0x73aacf65, 0xda3b2292,
+  0x73a363ec, 0xda30fe38, 0x739bf675, 0xda26db54,
+  0x73948701, 0xda1cb9e5, 0x738d1590, 0xda1299ec,
+  0x7385a222, 0xda087b69, 0x737e2cb7, 0xd9fe5e5e,
+  0x7376b551, 0xd9f442c9, 0x736f3bee, 0xd9ea28ac,
+  0x7367c090, 0xd9e01006, 0x73604336, 0xd9d5f8d9,
+  0x7358c3e2, 0xd9cbe325, 0x73514292, 0xd9c1cee9,
+  0x7349bf48, 0xd9b7bc27, 0x73423a04, 0xd9adaadf,
+  0x733ab2c6, 0xd9a39b11, 0x7333298f, 0xd9998cbe,
+  0x732b9e5e, 0xd98f7fe6, 0x73241134, 0xd9857489,
+  0x731c8211, 0xd97b6aa8, 0x7314f0f6, 0xd9716243,
+  0x730d5de3, 0xd9675b5a, 0x7305c8d7, 0xd95d55ef,
+  0x72fe31d5, 0xd9535201, 0x72f698db, 0xd9494f90,
+  0x72eefdea, 0xd93f4e9e, 0x72e76102, 0xd9354f2a,
+  0x72dfc224, 0xd92b5135, 0x72d82150, 0xd92154bf,
+  0x72d07e85, 0xd91759c9, 0x72c8d9c6, 0xd90d6053,
+  0x72c13311, 0xd903685d, 0x72b98a67, 0xd8f971e8,
+  0x72b1dfc9, 0xd8ef7cf4, 0x72aa3336, 0xd8e58982,
+  0x72a284b0, 0xd8db9792, 0x729ad435, 0xd8d1a724,
+  0x729321c7, 0xd8c7b838, 0x728b6d66, 0xd8bdcad0,
+  0x7283b712, 0xd8b3deeb, 0x727bfecc, 0xd8a9f48a,
+  0x72744493, 0xd8a00bae, 0x726c8868, 0xd8962456,
+  0x7264ca4c, 0xd88c3e83, 0x725d0a3e, 0xd8825a35,
+  0x72554840, 0xd878776d, 0x724d8450, 0xd86e962b,
+  0x7245be70, 0xd864b670, 0x723df6a0, 0xd85ad83c,
+  0x72362ce0, 0xd850fb8e, 0x722e6130, 0xd8472069,
+  0x72269391, 0xd83d46cc, 0x721ec403, 0xd8336eb7,
+  0x7216f287, 0xd829982b, 0x720f1f1c, 0xd81fc328,
+  0x720749c3, 0xd815efae, 0x71ff727c, 0xd80c1dbf,
+  0x71f79948, 0xd8024d59, 0x71efbe27, 0xd7f87e7f,
+  0x71e7e118, 0xd7eeb130, 0x71e0021e, 0xd7e4e56c,
+  0x71d82137, 0xd7db1b34, 0x71d03e64, 0xd7d15288,
+  0x71c859a5, 0xd7c78b68, 0x71c072fb, 0xd7bdc5d6,
+  0x71b88a66, 0xd7b401d1, 0x71b09fe7, 0xd7aa3f5a,
+  0x71a8b37c, 0xd7a07e70, 0x71a0c528, 0xd796bf16,
+  0x7198d4ea, 0xd78d014a, 0x7190e2c3, 0xd783450d,
+  0x7188eeb2, 0xd7798a60, 0x7180f8b8, 0xd76fd143,
+  0x717900d6, 0xd76619b6, 0x7171070c, 0xd75c63ba,
+  0x71690b59, 0xd752af4f, 0x71610dbf, 0xd748fc75,
+  0x71590e3e, 0xd73f4b2e, 0x71510cd5, 0xd7359b78,
+  0x71490986, 0xd72bed55, 0x71410450, 0xd72240c5,
+  0x7138fd35, 0xd71895c9, 0x7130f433, 0xd70eec60,
+  0x7128e94c, 0xd705448b, 0x7120dc80, 0xd6fb9e4b,
+  0x7118cdcf, 0xd6f1f99f, 0x7110bd39, 0xd6e85689,
+  0x7108aabf, 0xd6deb508, 0x71009661, 0xd6d5151d,
+  0x70f8801f, 0xd6cb76c9, 0x70f067fb, 0xd6c1da0b,
+  0x70e84df3, 0xd6b83ee4, 0x70e03208, 0xd6aea555,
+  0x70d8143b, 0xd6a50d5d, 0x70cff48c, 0xd69b76fe,
+  0x70c7d2fb, 0xd691e237, 0x70bfaf89, 0xd6884f09,
+  0x70b78a36, 0xd67ebd74, 0x70af6302, 0xd6752d79,
+  0x70a739ed, 0xd66b9f18, 0x709f0ef8, 0xd6621251,
+  0x7096e223, 0xd6588725, 0x708eb36f, 0xd64efd94,
+  0x708682dc, 0xd645759f, 0x707e5069, 0xd63bef46,
+  0x70761c18, 0xd6326a88, 0x706de5e9, 0xd628e767,
+  0x7065addb, 0xd61f65e4, 0x705d73f0, 0xd615e5fd,
+  0x70553828, 0xd60c67b4, 0x704cfa83, 0xd602eb0a,
+  0x7044bb00, 0xd5f96ffd, 0x703c79a2, 0xd5eff690,
+  0x70343667, 0xd5e67ec1, 0x702bf151, 0xd5dd0892,
+  0x7023aa5f, 0xd5d39403, 0x701b6193, 0xd5ca2115,
+  0x701316eb, 0xd5c0afc6, 0x700aca69, 0xd5b74019,
+  0x70027c0c, 0xd5add20d, 0x6ffa2bd6, 0xd5a465a3,
+  0x6ff1d9c7, 0xd59afadb, 0x6fe985de, 0xd59191b5,
+  0x6fe1301c, 0xd5882a32, 0x6fd8d882, 0xd57ec452,
+  0x6fd07f0f, 0xd5756016, 0x6fc823c5, 0xd56bfd7d,
+  0x6fbfc6a3, 0xd5629c89, 0x6fb767aa, 0xd5593d3a,
+  0x6faf06da, 0xd54fdf8f, 0x6fa6a433, 0xd5468389,
+  0x6f9e3fb6, 0xd53d292a, 0x6f95d963, 0xd533d070,
+  0x6f8d713a, 0xd52a795d, 0x6f85073c, 0xd52123f0,
+  0x6f7c9b69, 0xd517d02b, 0x6f742dc1, 0xd50e7e0d,
+  0x6f6bbe45, 0xd5052d97, 0x6f634cf5, 0xd4fbdec9,
+  0x6f5ad9d1, 0xd4f291a4, 0x6f5264da, 0xd4e94627,
+  0x6f49ee0f, 0xd4dffc54, 0x6f417573, 0xd4d6b42b,
+  0x6f38fb03, 0xd4cd6dab, 0x6f307ec2, 0xd4c428d6,
+  0x6f2800af, 0xd4bae5ab, 0x6f1f80ca, 0xd4b1a42c,
+  0x6f16ff14, 0xd4a86458, 0x6f0e7b8e, 0xd49f2630,
+  0x6f05f637, 0xd495e9b3, 0x6efd6f10, 0xd48caee4,
+  0x6ef4e619, 0xd48375c1, 0x6eec5b53, 0xd47a3e4b,
+  0x6ee3cebe, 0xd4710883, 0x6edb405a, 0xd467d469,
+  0x6ed2b027, 0xd45ea1fd, 0x6eca1e27, 0xd4557140,
+  0x6ec18a58, 0xd44c4232, 0x6eb8f4bc, 0xd44314d3,
+  0x6eb05d53, 0xd439e923, 0x6ea7c41e, 0xd430bf24,
+  0x6e9f291b, 0xd42796d5, 0x6e968c4d, 0xd41e7037,
+  0x6e8dedb3, 0xd4154b4a, 0x6e854d4d, 0xd40c280e,
+  0x6e7cab1c, 0xd4030684, 0x6e740720, 0xd3f9e6ad,
+  0x6e6b615a, 0xd3f0c887, 0x6e62b9ca, 0xd3e7ac15,
+  0x6e5a1070, 0xd3de9156, 0x6e51654c, 0xd3d5784a,
+  0x6e48b860, 0xd3cc60f2, 0x6e4009aa, 0xd3c34b4f,
+  0x6e37592c, 0xd3ba3760, 0x6e2ea6e6, 0xd3b12526,
+  0x6e25f2d8, 0xd3a814a2, 0x6e1d3d03, 0xd39f05d3,
+  0x6e148566, 0xd395f8ba, 0x6e0bcc03, 0xd38ced57,
+  0x6e0310d9, 0xd383e3ab, 0x6dfa53e9, 0xd37adbb6,
+  0x6df19534, 0xd371d579, 0x6de8d4b8, 0xd368d0f3,
+  0x6de01278, 0xd35fce26, 0x6dd74e73, 0xd356cd11,
+  0x6dce88aa, 0xd34dcdb4, 0x6dc5c11c, 0xd344d011,
+  0x6dbcf7cb, 0xd33bd427, 0x6db42cb6, 0xd332d9f7,
+  0x6dab5fdf, 0xd329e181, 0x6da29144, 0xd320eac6,
+  0x6d99c0e7, 0xd317f5c6, 0x6d90eec8, 0xd30f0280,
+  0x6d881ae8, 0xd30610f7, 0x6d7f4545, 0xd2fd2129,
+  0x6d766de2, 0xd2f43318, 0x6d6d94bf, 0xd2eb46c3,
+  0x6d64b9da, 0xd2e25c2b, 0x6d5bdd36, 0xd2d97350,
+  0x6d52fed2, 0xd2d08c33, 0x6d4a1eaf, 0xd2c7a6d4,
+  0x6d413ccd, 0xd2bec333, 0x6d38592c, 0xd2b5e151,
+  0x6d2f73cd, 0xd2ad012e, 0x6d268cb0, 0xd2a422ca,
+  0x6d1da3d5, 0xd29b4626, 0x6d14b93d, 0xd2926b41,
+  0x6d0bcce8, 0xd289921e, 0x6d02ded7, 0xd280babb,
+  0x6cf9ef09, 0xd277e518, 0x6cf0fd80, 0xd26f1138,
+  0x6ce80a3a, 0xd2663f19, 0x6cdf153a, 0xd25d6ebc,
+  0x6cd61e7f, 0xd254a021, 0x6ccd2609, 0xd24bd34a,
+  0x6cc42bd9, 0xd2430835, 0x6cbb2fef, 0xd23a3ee4,
+  0x6cb2324c, 0xd2317756, 0x6ca932ef, 0xd228b18d,
+  0x6ca031da, 0xd21fed88, 0x6c972f0d, 0xd2172b48,
+  0x6c8e2a87, 0xd20e6acc, 0x6c85244a, 0xd205ac17,
+  0x6c7c1c55, 0xd1fcef27, 0x6c7312a9, 0xd1f433fd,
+  0x6c6a0746, 0xd1eb7a9a, 0x6c60fa2d, 0xd1e2c2fd,
+  0x6c57eb5e, 0xd1da0d28, 0x6c4edada, 0xd1d1591a,
+  0x6c45c8a0, 0xd1c8a6d4, 0x6c3cb4b1, 0xd1bff656,
+  0x6c339f0e, 0xd1b747a0, 0x6c2a87b6, 0xd1ae9ab4,
+  0x6c216eaa, 0xd1a5ef90, 0x6c1853eb, 0xd19d4636,
+  0x6c0f3779, 0xd1949ea6, 0x6c061953, 0xd18bf8e0,
+  0x6bfcf97c, 0xd18354e4, 0x6bf3d7f2, 0xd17ab2b3,
+  0x6beab4b6, 0xd172124d, 0x6be18fc9, 0xd16973b3,
+  0x6bd8692b, 0xd160d6e5, 0x6bcf40dc, 0xd1583be2,
+  0x6bc616dd, 0xd14fa2ad, 0x6bbceb2d, 0xd1470b44,
+  0x6bb3bdce, 0xd13e75a8, 0x6baa8ec0, 0xd135e1d9,
+  0x6ba15e03, 0xd12d4fd9, 0x6b982b97, 0xd124bfa6,
+  0x6b8ef77d, 0xd11c3142, 0x6b85c1b5, 0xd113a4ad,
+  0x6b7c8a3f, 0xd10b19e7, 0x6b73511c, 0xd10290f0,
+  0x6b6a164d, 0xd0fa09c9, 0x6b60d9d0, 0xd0f18472,
+  0x6b579ba8, 0xd0e900ec, 0x6b4e5bd4, 0xd0e07f36,
+  0x6b451a55, 0xd0d7ff51, 0x6b3bd72a, 0xd0cf813e,
+  0x6b329255, 0xd0c704fd, 0x6b294bd5, 0xd0be8a8d,
+  0x6b2003ac, 0xd0b611f1, 0x6b16b9d9, 0xd0ad9b26,
+  0x6b0d6e5c, 0xd0a5262f, 0x6b042137, 0xd09cb30b,
+  0x6afad269, 0xd09441bb, 0x6af181f3, 0xd08bd23f,
+  0x6ae82fd5, 0xd0836497, 0x6adedc10, 0xd07af8c4,
+  0x6ad586a3, 0xd0728ec6, 0x6acc2f90, 0xd06a269d,
+  0x6ac2d6d6, 0xd061c04a, 0x6ab97c77, 0xd0595bcd,
+  0x6ab02071, 0xd050f926, 0x6aa6c2c6, 0xd0489856,
+  0x6a9d6377, 0xd040395d, 0x6a940283, 0xd037dc3b,
+  0x6a8a9fea, 0xd02f80f1, 0x6a813bae, 0xd027277e,
+  0x6a77d5ce, 0xd01ecfe4, 0x6a6e6e4b, 0xd0167a22,
+  0x6a650525, 0xd00e2639, 0x6a5b9a5d, 0xd005d42a,
+  0x6a522df3, 0xcffd83f4, 0x6a48bfe7, 0xcff53597,
+  0x6a3f503a, 0xcfece915, 0x6a35deeb, 0xcfe49e6d,
+  0x6a2c6bfd, 0xcfdc55a1, 0x6a22f76e, 0xcfd40eaf,
+  0x6a19813f, 0xcfcbc999, 0x6a100970, 0xcfc3865e,
+  0x6a069003, 0xcfbb4500, 0x69fd14f6, 0xcfb3057d,
+  0x69f3984c, 0xcfaac7d8, 0x69ea1a03, 0xcfa28c10,
+  0x69e09a1c, 0xcf9a5225, 0x69d71899, 0xcf921a17,
+  0x69cd9578, 0xcf89e3e8, 0x69c410ba, 0xcf81af97,
+  0x69ba8a61, 0xcf797d24, 0x69b1026c, 0xcf714c91,
+  0x69a778db, 0xcf691ddd, 0x699dedaf, 0xcf60f108,
+  0x699460e8, 0xcf58c613, 0x698ad287, 0xcf509cfe,
+  0x6981428c, 0xcf4875ca, 0x6977b0f7, 0xcf405077,
+  0x696e1dc9, 0xcf382d05, 0x69648902, 0xcf300b74,
+  0x695af2a3, 0xcf27ebc5, 0x69515aab, 0xcf1fcdf8,
+  0x6947c11c, 0xcf17b20d, 0x693e25f5, 0xcf0f9805,
+  0x69348937, 0xcf077fe1, 0x692aeae3, 0xceff699f,
+  0x69214af8, 0xcef75541, 0x6917a977, 0xceef42c7,
+  0x690e0661, 0xcee73231, 0x690461b5, 0xcedf2380,
+  0x68fabb75, 0xced716b4, 0x68f113a0, 0xcecf0bcd,
+  0x68e76a37, 0xcec702cb, 0x68ddbf3b, 0xcebefbb0,
+  0x68d412ab, 0xceb6f67a, 0x68ca6488, 0xceaef32b,
+  0x68c0b4d2, 0xcea6f1c2, 0x68b7038b, 0xce9ef241,
+  0x68ad50b1, 0xce96f4a7, 0x68a39c46, 0xce8ef8f4,
+  0x6899e64a, 0xce86ff2a, 0x68902ebd, 0xce7f0748,
+  0x688675a0, 0xce77114e, 0x687cbaf3, 0xce6f1d3d,
+  0x6872feb6, 0xce672b16, 0x686940ea, 0xce5f3ad8,
+  0x685f8190, 0xce574c84, 0x6855c0a6, 0xce4f6019,
+  0x684bfe2f, 0xce47759a, 0x68423a2a, 0xce3f8d05,
+  0x68387498, 0xce37a65b, 0x682ead78, 0xce2fc19c,
+  0x6824e4cc, 0xce27dec9, 0x681b1a94, 0xce1ffde2,
+  0x68114ed0, 0xce181ee8, 0x68078181, 0xce1041d9,
+  0x67fdb2a7, 0xce0866b8, 0x67f3e241, 0xce008d84,
+  0x67ea1052, 0xcdf8b63d, 0x67e03cd8, 0xcdf0e0e4,
+  0x67d667d5, 0xcde90d79, 0x67cc9149, 0xcde13bfd,
+  0x67c2b934, 0xcdd96c6f, 0x67b8df97, 0xcdd19ed0,
+  0x67af0472, 0xcdc9d320, 0x67a527c4, 0xcdc20960,
+  0x679b4990, 0xcdba4190, 0x679169d5, 0xcdb27bb0,
+  0x67878893, 0xcdaab7c0, 0x677da5cb, 0xcda2f5c2,
+  0x6773c17d, 0xcd9b35b4, 0x6769dbaa, 0xcd937798,
+  0x675ff452, 0xcd8bbb6d, 0x67560b76, 0xcd840134,
+  0x674c2115, 0xcd7c48ee, 0x67423530, 0xcd74929a,
+  0x673847c8, 0xcd6cde39, 0x672e58dc, 0xcd652bcb,
+  0x6724686e, 0xcd5d7b50, 0x671a767e, 0xcd55ccca,
+  0x6710830c, 0xcd4e2037, 0x67068e18, 0xcd467599,
+  0x66fc97a3, 0xcd3eccef, 0x66f29fad, 0xcd37263a,
+  0x66e8a637, 0xcd2f817b, 0x66deab41, 0xcd27deb0,
+  0x66d4aecb, 0xcd203ddc, 0x66cab0d6, 0xcd189efe,
+  0x66c0b162, 0xcd110216, 0x66b6b070, 0xcd096725,
+  0x66acadff, 0xcd01ce2b, 0x66a2aa11, 0xccfa3729,
+  0x6698a4a6, 0xccf2a21d, 0x668e9dbd, 0xcceb0f0a,
+  0x66849558, 0xcce37def, 0x667a8b77, 0xccdbeecc,
+  0x6670801a, 0xccd461a2, 0x66667342, 0xccccd671,
+  0x665c64ef, 0xccc54d3a, 0x66525521, 0xccbdc5fc,
+  0x664843d9, 0xccb640b8, 0x663e3117, 0xccaebd6e,
+  0x66341cdb, 0xcca73c1e, 0x662a0727, 0xcc9fbcca,
+  0x661feffa, 0xcc983f70, 0x6615d754, 0xcc90c412,
+  0x660bbd37, 0xcc894aaf, 0x6601a1a2, 0xcc81d349,
+  0x65f78497, 0xcc7a5dde, 0x65ed6614, 0xcc72ea70,
+  0x65e3461b, 0xcc6b78ff, 0x65d924ac, 0xcc64098b,
+  0x65cf01c8, 0xcc5c9c14, 0x65c4dd6e, 0xcc55309b,
+  0x65bab7a0, 0xcc4dc720, 0x65b0905d, 0xcc465fa3,
+  0x65a667a7, 0xcc3efa25, 0x659c3d7c, 0xcc3796a5,
+  0x659211df, 0xcc303524, 0x6587e4cf, 0xcc28d5a3,
+  0x657db64c, 0xcc217822, 0x65738657, 0xcc1a1ca0,
+  0x656954f1, 0xcc12c31f, 0x655f2219, 0xcc0b6b9e,
+  0x6554edd1, 0xcc04161e, 0x654ab818, 0xcbfcc29f,
+  0x654080ef, 0xcbf57121, 0x65364857, 0xcbee21a5,
+  0x652c0e4f, 0xcbe6d42b, 0x6521d2d8, 0xcbdf88b3,
+  0x651795f3, 0xcbd83f3d, 0x650d57a0, 0xcbd0f7ca,
+  0x650317df, 0xcbc9b25a, 0x64f8d6b0, 0xcbc26eee,
+  0x64ee9415, 0xcbbb2d85, 0x64e4500e, 0xcbb3ee20,
+  0x64da0a9a, 0xcbacb0bf, 0x64cfc3ba, 0xcba57563,
+  0x64c57b6f, 0xcb9e3c0b, 0x64bb31ba, 0xcb9704b9,
+  0x64b0e699, 0xcb8fcf6b, 0x64a69a0f, 0xcb889c23,
+  0x649c4c1b, 0xcb816ae1, 0x6491fcbe, 0xcb7a3ba5,
+  0x6487abf7, 0xcb730e70, 0x647d59c8, 0xcb6be341,
+  0x64730631, 0xcb64ba19, 0x6468b132, 0xcb5d92f8,
+  0x645e5acc, 0xcb566ddf, 0x645402ff, 0xcb4f4acd,
+  0x6449a9cc, 0xcb4829c4, 0x643f4f32, 0xcb410ac3,
+  0x6434f332, 0xcb39edca, 0x642a95ce, 0xcb32d2da,
+  0x64203704, 0xcb2bb9f4, 0x6415d6d5, 0xcb24a316,
+  0x640b7543, 0xcb1d8e43, 0x6401124d, 0xcb167b79,
+  0x63f6adf3, 0xcb0f6aba, 0x63ec4837, 0xcb085c05,
+  0x63e1e117, 0xcb014f5b, 0x63d77896, 0xcafa44bc,
+  0x63cd0eb3, 0xcaf33c28, 0x63c2a36f, 0xcaec35a0,
+  0x63b836ca, 0xcae53123, 0x63adc8c4, 0xcade2eb3,
+  0x63a3595e, 0xcad72e4f, 0x6398e898, 0xcad02ff8,
+  0x638e7673, 0xcac933ae, 0x638402ef, 0xcac23971,
+  0x63798e0d, 0xcabb4141, 0x636f17cc, 0xcab44b1f,
+  0x6364a02e, 0xcaad570c, 0x635a2733, 0xcaa66506,
+  0x634facda, 0xca9f750f, 0x63453125, 0xca988727,
+  0x633ab414, 0xca919b4e, 0x633035a7, 0xca8ab184,
+  0x6325b5df, 0xca83c9ca, 0x631b34bc, 0xca7ce420,
+  0x6310b23e, 0xca760086, 0x63062e67, 0xca6f1efc,
+  0x62fba936, 0xca683f83, 0x62f122ab, 0xca61621b,
+  0x62e69ac8, 0xca5a86c4, 0x62dc118c, 0xca53ad7e,
+  0x62d186f8, 0xca4cd64b, 0x62c6fb0c, 0xca460129,
+  0x62bc6dca, 0xca3f2e19, 0x62b1df30, 0xca385d1d,
+  0x62a74f40, 0xca318e32, 0x629cbdfa, 0xca2ac15b,
+  0x62922b5e, 0xca23f698, 0x6287976e, 0xca1d2de7,
+  0x627d0228, 0xca16674b, 0x62726b8e, 0xca0fa2c3,
+  0x6267d3a0, 0xca08e04f, 0x625d3a5e, 0xca021fef,
+  0x62529fca, 0xc9fb61a5, 0x624803e2, 0xc9f4a570,
+  0x623d66a8, 0xc9edeb50, 0x6232c81c, 0xc9e73346,
+  0x6228283f, 0xc9e07d51, 0x621d8711, 0xc9d9c973,
+  0x6212e492, 0xc9d317ab, 0x620840c2, 0xc9cc67fa,
+  0x61fd9ba3, 0xc9c5ba60, 0x61f2f534, 0xc9bf0edd,
+  0x61e84d76, 0xc9b86572, 0x61dda46a, 0xc9b1be1e,
+  0x61d2fa0f, 0xc9ab18e3, 0x61c84e67, 0xc9a475bf,
+  0x61bda171, 0xc99dd4b4, 0x61b2f32e, 0xc99735c2,
+  0x61a8439e, 0xc99098e9, 0x619d92c2, 0xc989fe29,
+  0x6192e09b, 0xc9836582, 0x61882d28, 0xc97ccef5,
+  0x617d786a, 0xc9763a83, 0x6172c262, 0xc96fa82a,
+  0x61680b0f, 0xc96917ec, 0x615d5273, 0xc96289c9,
+  0x6152988d, 0xc95bfdc1, 0x6147dd5f, 0xc95573d4,
+  0x613d20e8, 0xc94eec03, 0x61326329, 0xc948664d,
+  0x6127a423, 0xc941e2b4, 0x611ce3d5, 0xc93b6137,
+  0x61122240, 0xc934e1d6, 0x61075f65, 0xc92e6492,
+  0x60fc9b44, 0xc927e96b, 0x60f1d5de, 0xc9217062,
+  0x60e70f32, 0xc91af976, 0x60dc4742, 0xc91484a8,
+  0x60d17e0d, 0xc90e11f7, 0x60c6b395, 0xc907a166,
+  0x60bbe7d8, 0xc90132f2, 0x60b11ad9, 0xc8fac69e,
+  0x60a64c97, 0xc8f45c68, 0x609b7d13, 0xc8edf452,
+  0x6090ac4d, 0xc8e78e5b, 0x6085da46, 0xc8e12a84,
+  0x607b06fe, 0xc8dac8cd, 0x60703275, 0xc8d46936,
+  0x60655cac, 0xc8ce0bc0, 0x605a85a3, 0xc8c7b06b,
+  0x604fad5b, 0xc8c15736, 0x6044d3d4, 0xc8bb0023,
+  0x6039f90f, 0xc8b4ab32, 0x602f1d0b, 0xc8ae5862,
+  0x60243fca, 0xc8a807b4, 0x6019614c, 0xc8a1b928,
+  0x600e8190, 0xc89b6cbf, 0x6003a099, 0xc8952278,
+  0x5ff8be65, 0xc88eda54, 0x5feddaf6, 0xc8889454,
+  0x5fe2f64c, 0xc8825077, 0x5fd81067, 0xc87c0ebd,
+  0x5fcd2948, 0xc875cf28, 0x5fc240ef, 0xc86f91b7,
+  0x5fb7575c, 0xc869566a, 0x5fac6c91, 0xc8631d42,
+  0x5fa1808c, 0xc85ce63e, 0x5f969350, 0xc856b160,
+  0x5f8ba4dc, 0xc8507ea7, 0x5f80b531, 0xc84a4e14,
+  0x5f75c44e, 0xc8441fa6, 0x5f6ad235, 0xc83df35f,
+  0x5f5fdee6, 0xc837c93e, 0x5f54ea62, 0xc831a143,
+  0x5f49f4a8, 0xc82b7b70, 0x5f3efdb9, 0xc82557c3,
+  0x5f340596, 0xc81f363d, 0x5f290c3f, 0xc81916df,
+  0x5f1e11b5, 0xc812f9a9, 0x5f1315f7, 0xc80cde9b,
+  0x5f081907, 0xc806c5b5, 0x5efd1ae4, 0xc800aef7,
+  0x5ef21b90, 0xc7fa9a62, 0x5ee71b0a, 0xc7f487f6,
+  0x5edc1953, 0xc7ee77b3, 0x5ed1166b, 0xc7e8699a,
+  0x5ec61254, 0xc7e25daa, 0x5ebb0d0d, 0xc7dc53e3,
+  0x5eb00696, 0xc7d64c47, 0x5ea4fef0, 0xc7d046d6,
+  0x5e99f61d, 0xc7ca438f, 0x5e8eec1b, 0xc7c44272,
+  0x5e83e0eb, 0xc7be4381, 0x5e78d48e, 0xc7b846ba,
+  0x5e6dc705, 0xc7b24c20, 0x5e62b84f, 0xc7ac53b1,
+  0x5e57a86d, 0xc7a65d6e, 0x5e4c9760, 0xc7a06957,
+  0x5e418528, 0xc79a776c, 0x5e3671c5, 0xc79487ae,
+  0x5e2b5d38, 0xc78e9a1d, 0x5e204781, 0xc788aeb9,
+  0x5e1530a1, 0xc782c582, 0x5e0a1898, 0xc77cde79,
+  0x5dfeff67, 0xc776f99d, 0x5df3e50d, 0xc77116f0,
+  0x5de8c98c, 0xc76b3671, 0x5dddace4, 0xc7655820,
+  0x5dd28f15, 0xc75f7bfe, 0x5dc7701f, 0xc759a20a,
+  0x5dbc5004, 0xc753ca46, 0x5db12ec3, 0xc74df4b1,
+  0x5da60c5d, 0xc748214c, 0x5d9ae8d2, 0xc7425016,
+  0x5d8fc424, 0xc73c8111, 0x5d849e51, 0xc736b43c,
+  0x5d79775c, 0xc730e997, 0x5d6e4f43, 0xc72b2123,
+  0x5d632608, 0xc7255ae0, 0x5d57fbaa, 0xc71f96ce,
+  0x5d4cd02c, 0xc719d4ed, 0x5d41a38c, 0xc714153e,
+  0x5d3675cb, 0xc70e57c0, 0x5d2b46ea, 0xc7089c75,
+  0x5d2016e9, 0xc702e35c, 0x5d14e5c9, 0xc6fd2c75,
+  0x5d09b389, 0xc6f777c1, 0x5cfe802b, 0xc6f1c540,
+  0x5cf34baf, 0xc6ec14f2, 0x5ce81615, 0xc6e666d7,
+  0x5cdcdf5e, 0xc6e0baf0, 0x5cd1a78a, 0xc6db113d,
+  0x5cc66e99, 0xc6d569be, 0x5cbb348d, 0xc6cfc472,
+  0x5caff965, 0xc6ca215c, 0x5ca4bd21, 0xc6c4807a,
+  0x5c997fc4, 0xc6bee1cd, 0x5c8e414b, 0xc6b94554,
+  0x5c8301b9, 0xc6b3ab12, 0x5c77c10e, 0xc6ae1304,
+  0x5c6c7f4a, 0xc6a87d2d, 0x5c613c6d, 0xc6a2e98b,
+  0x5c55f878, 0xc69d5820, 0x5c4ab36b, 0xc697c8eb,
+  0x5c3f6d47, 0xc6923bec, 0x5c34260c, 0xc68cb124,
+  0x5c28ddbb, 0xc6872894, 0x5c1d9454, 0xc681a23a,
+  0x5c1249d8, 0xc67c1e18, 0x5c06fe46, 0xc6769c2e,
+  0x5bfbb1a0, 0xc6711c7b, 0x5bf063e6, 0xc66b9f01,
+  0x5be51518, 0xc66623be, 0x5bd9c537, 0xc660aab5,
+  0x5bce7442, 0xc65b33e4, 0x5bc3223c, 0xc655bf4c,
+  0x5bb7cf23, 0xc6504ced, 0x5bac7af9, 0xc64adcc7,
+  0x5ba125bd, 0xc6456edb, 0x5b95cf71, 0xc6400329,
+  0x5b8a7815, 0xc63a99b1, 0x5b7f1fa9, 0xc6353273,
+  0x5b73c62d, 0xc62fcd6f, 0x5b686ba3, 0xc62a6aa6,
+  0x5b5d100a, 0xc6250a18, 0x5b51b363, 0xc61fabc4,
+  0x5b4655ae, 0xc61a4fac, 0x5b3af6ec, 0xc614f5cf,
+  0x5b2f971e, 0xc60f9e2e, 0x5b243643, 0xc60a48c9,
+  0x5b18d45c, 0xc604f5a0, 0x5b0d716a, 0xc5ffa4b3,
+  0x5b020d6c, 0xc5fa5603, 0x5af6a865, 0xc5f5098f,
+  0x5aeb4253, 0xc5efbf58, 0x5adfdb37, 0xc5ea775e,
+  0x5ad47312, 0xc5e531a1, 0x5ac909e5, 0xc5dfee22,
+  0x5abd9faf, 0xc5daace1, 0x5ab23471, 0xc5d56ddd,
+  0x5aa6c82b, 0xc5d03118, 0x5a9b5adf, 0xc5caf690,
+  0x5a8fec8c, 0xc5c5be47, 0x5a847d33, 0xc5c0883d,
+  0x5a790cd4, 0xc5bb5472, 0x5a6d9b70, 0xc5b622e6,
+  0x5a622907, 0xc5b0f399, 0x5a56b599, 0xc5abc68c,
+  0x5a4b4128, 0xc5a69bbe, 0x5a3fcbb3, 0xc5a17330,
+  0x5a34553b, 0xc59c4ce3, 0x5a28ddc0, 0xc59728d5,
+  0x5a1d6544, 0xc5920708, 0x5a11ebc5, 0xc58ce77c,
+  0x5a067145, 0xc587ca31, 0x59faf5c5, 0xc582af26,
+  0x59ef7944, 0xc57d965d, 0x59e3fbc3, 0xc5787fd6,
+  0x59d87d42, 0xc5736b90, 0x59ccfdc2, 0xc56e598c,
+  0x59c17d44, 0xc56949ca, 0x59b5fbc8, 0xc5643c4a,
+  0x59aa794d, 0xc55f310d, 0x599ef5d6, 0xc55a2812,
+  0x59937161, 0xc555215a, 0x5987ebf0, 0xc5501ce5,
+  0x597c6584, 0xc54b1ab4, 0x5970de1b, 0xc5461ac6,
+  0x596555b8, 0xc5411d1b, 0x5959cc5a, 0xc53c21b4,
+  0x594e4201, 0xc5372891, 0x5942b6af, 0xc53231b3,
+  0x59372a64, 0xc52d3d18, 0x592b9d1f, 0xc5284ac3,
+  0x59200ee3, 0xc5235ab2, 0x59147fae, 0xc51e6ce6,
+  0x5908ef82, 0xc519815f, 0x58fd5e5f, 0xc514981d,
+  0x58f1cc45, 0xc50fb121, 0x58e63935, 0xc50acc6b,
+  0x58daa52f, 0xc505e9fb, 0x58cf1034, 0xc50109d0,
+  0x58c37a44, 0xc4fc2bec, 0x58b7e35f, 0xc4f7504e,
+  0x58ac4b87, 0xc4f276f7, 0x58a0b2bb, 0xc4ed9fe7,
+  0x589518fc, 0xc4e8cb1e, 0x58897e4a, 0xc4e3f89c,
+  0x587de2a7, 0xc4df2862, 0x58724611, 0xc4da5a6f,
+  0x5866a88a, 0xc4d58ec3, 0x585b0a13, 0xc4d0c560,
+  0x584f6aab, 0xc4cbfe45, 0x5843ca53, 0xc4c73972,
+  0x5838290c, 0xc4c276e8, 0x582c86d5, 0xc4bdb6a6,
+  0x5820e3b0, 0xc4b8f8ad, 0x58153f9d, 0xc4b43cfd,
+  0x58099a9c, 0xc4af8397, 0x57fdf4ae, 0xc4aacc7a,
+  0x57f24dd3, 0xc4a617a6, 0x57e6a60c, 0xc4a1651c,
+  0x57dafd59, 0xc49cb4dd, 0x57cf53bb, 0xc49806e7,
+  0x57c3a931, 0xc4935b3c, 0x57b7fdbd, 0xc48eb1db,
+  0x57ac515f, 0xc48a0ac4, 0x57a0a417, 0xc48565f9,
+  0x5794f5e6, 0xc480c379, 0x578946cc, 0xc47c2344,
+  0x577d96ca, 0xc477855a, 0x5771e5e0, 0xc472e9bc,
+  0x5766340f, 0xc46e5069, 0x575a8157, 0xc469b963,
+  0x574ecdb8, 0xc46524a9, 0x57431933, 0xc460923b,
+  0x573763c9, 0xc45c0219, 0x572bad7a, 0xc4577444,
+  0x571ff646, 0xc452e8bc, 0x57143e2d, 0xc44e5f80,
+  0x57088531, 0xc449d892, 0x56fccb51, 0xc44553f2,
+  0x56f1108f, 0xc440d19e, 0x56e554ea, 0xc43c5199,
+  0x56d99864, 0xc437d3e1, 0x56cddafb, 0xc4335877,
+  0x56c21cb2, 0xc42edf5c, 0x56b65d88, 0xc42a688f,
+  0x56aa9d7e, 0xc425f410, 0x569edc94, 0xc42181e0,
+  0x56931acb, 0xc41d11ff, 0x56875823, 0xc418a46d,
+  0x567b949d, 0xc414392b, 0x566fd039, 0xc40fd037,
+  0x56640af7, 0xc40b6994, 0x565844d8, 0xc4070540,
+  0x564c7ddd, 0xc402a33c, 0x5640b606, 0xc3fe4388,
+  0x5634ed53, 0xc3f9e624, 0x562923c5, 0xc3f58b10,
+  0x561d595d, 0xc3f1324e, 0x56118e1a, 0xc3ecdbdc,
+  0x5605c1fd, 0xc3e887bb, 0x55f9f507, 0xc3e435ea,
+  0x55ee2738, 0xc3dfe66c, 0x55e25890, 0xc3db993e,
+  0x55d68911, 0xc3d74e62, 0x55cab8ba, 0xc3d305d8,
+  0x55bee78c, 0xc3cebfa0, 0x55b31587, 0xc3ca7bba,
+  0x55a742ac, 0xc3c63a26, 0x559b6efb, 0xc3c1fae5,
+  0x558f9a76, 0xc3bdbdf6, 0x5583c51b, 0xc3b9835a,
+  0x5577eeec, 0xc3b54b11, 0x556c17e9, 0xc3b1151b,
+  0x55604013, 0xc3ace178, 0x5554676a, 0xc3a8b028,
+  0x55488dee, 0xc3a4812c, 0x553cb3a0, 0xc3a05484,
+  0x5530d881, 0xc39c2a2f, 0x5524fc90, 0xc398022f,
+  0x55191fcf, 0xc393dc82, 0x550d423d, 0xc38fb92a,
+  0x550163dc, 0xc38b9827, 0x54f584ac, 0xc3877978,
+  0x54e9a4ac, 0xc3835d1e, 0x54ddc3de, 0xc37f4319,
+  0x54d1e242, 0xc37b2b6a, 0x54c5ffd9, 0xc377160f,
+  0x54ba1ca3, 0xc373030a, 0x54ae38a0, 0xc36ef25b,
+  0x54a253d1, 0xc36ae401, 0x54966e36, 0xc366d7fd,
+  0x548a87d1, 0xc362ce50, 0x547ea0a0, 0xc35ec6f8,
+  0x5472b8a5, 0xc35ac1f7, 0x5466cfe1, 0xc356bf4d,
+  0x545ae653, 0xc352bef9, 0x544efbfc, 0xc34ec0fc,
+  0x544310dd, 0xc34ac556, 0x543724f5, 0xc346cc07,
+  0x542b3846, 0xc342d510, 0x541f4ad1, 0xc33ee070,
+  0x54135c94, 0xc33aee27, 0x54076d91, 0xc336fe37,
+  0x53fb7dc9, 0xc333109e, 0x53ef8d3c, 0xc32f255e,
+  0x53e39be9, 0xc32b3c75, 0x53d7a9d3, 0xc32755e5,
+  0x53cbb6f8, 0xc32371ae, 0x53bfc35b, 0xc31f8fcf,
+  0x53b3cefa, 0xc31bb049, 0x53a7d9d7, 0xc317d31c,
+  0x539be3f2, 0xc313f848, 0x538fed4b, 0xc3101fce,
+  0x5383f5e3, 0xc30c49ad, 0x5377fdbb, 0xc30875e5,
+  0x536c04d2, 0xc304a477, 0x53600b2a, 0xc300d563,
+  0x535410c3, 0xc2fd08a9, 0x5348159d, 0xc2f93e4a,
+  0x533c19b8, 0xc2f57644, 0x53301d16, 0xc2f1b099,
+  0x53241fb6, 0xc2eded49, 0x5318219a, 0xc2ea2c53,
+  0x530c22c1, 0xc2e66db8, 0x5300232c, 0xc2e2b178,
+  0x52f422db, 0xc2def794, 0x52e821cf, 0xc2db400a,
+  0x52dc2009, 0xc2d78add, 0x52d01d89, 0xc2d3d80a,
+  0x52c41a4f, 0xc2d02794, 0x52b8165b, 0xc2cc7979,
+  0x52ac11af, 0xc2c8cdbb, 0x52a00c4b, 0xc2c52459,
+  0x5294062f, 0xc2c17d52, 0x5287ff5b, 0xc2bdd8a9,
+  0x527bf7d1, 0xc2ba365c, 0x526fef90, 0xc2b6966c,
+  0x5263e699, 0xc2b2f8d8, 0x5257dced, 0xc2af5da2,
+  0x524bd28c, 0xc2abc4c9, 0x523fc776, 0xc2a82e4d,
+  0x5233bbac, 0xc2a49a2e, 0x5227af2e, 0xc2a1086d,
+  0x521ba1fd, 0xc29d790a, 0x520f941a, 0xc299ec05,
+  0x52038584, 0xc296615d, 0x51f7763c, 0xc292d914,
+  0x51eb6643, 0xc28f5329, 0x51df5599, 0xc28bcf9c,
+  0x51d3443f, 0xc2884e6e, 0x51c73235, 0xc284cf9f,
+  0x51bb1f7c, 0xc281532e, 0x51af0c13, 0xc27dd91c,
+  0x51a2f7fc, 0xc27a616a, 0x5196e337, 0xc276ec16,
+  0x518acdc4, 0xc2737922, 0x517eb7a4, 0xc270088e,
+  0x5172a0d7, 0xc26c9a58, 0x5166895f, 0xc2692e83,
+  0x515a713a, 0xc265c50e, 0x514e586a, 0xc2625df8,
+  0x51423ef0, 0xc25ef943, 0x513624cb, 0xc25b96ee,
+  0x512a09fc, 0xc25836f9, 0x511dee84, 0xc254d965,
+  0x5111d263, 0xc2517e31, 0x5105b599, 0xc24e255e,
+  0x50f99827, 0xc24aceed, 0x50ed7a0e, 0xc2477adc,
+  0x50e15b4e, 0xc244292c, 0x50d53be7, 0xc240d9de,
+  0x50c91bda, 0xc23d8cf1, 0x50bcfb28, 0xc23a4265,
+  0x50b0d9d0, 0xc236fa3b, 0x50a4b7d3, 0xc233b473,
+  0x50989532, 0xc230710d, 0x508c71ee, 0xc22d3009,
+  0x50804e06, 0xc229f167, 0x5074297b, 0xc226b528,
+  0x5068044e, 0xc2237b4b, 0x505bde7f, 0xc22043d0,
+  0x504fb80e, 0xc21d0eb8, 0x504390fd, 0xc219dc03,
+  0x5037694b, 0xc216abb1, 0x502b40f8, 0xc2137dc2,
+  0x501f1807, 0xc2105236, 0x5012ee76, 0xc20d290d,
+  0x5006c446, 0xc20a0248, 0x4ffa9979, 0xc206dde6,
+  0x4fee6e0d, 0xc203bbe8, 0x4fe24205, 0xc2009c4e,
+  0x4fd6155f, 0xc1fd7f17, 0x4fc9e81e, 0xc1fa6445,
+  0x4fbdba40, 0xc1f74bd6, 0x4fb18bc8, 0xc1f435cc,
+  0x4fa55cb4, 0xc1f12227, 0x4f992d06, 0xc1ee10e5,
+  0x4f8cfcbe, 0xc1eb0209, 0x4f80cbdc, 0xc1e7f591,
+  0x4f749a61, 0xc1e4eb7e, 0x4f68684e, 0xc1e1e3d0,
+  0x4f5c35a3, 0xc1dede87, 0x4f500260, 0xc1dbdba3,
+  0x4f43ce86, 0xc1d8db25, 0x4f379a16, 0xc1d5dd0c,
+  0x4f2b650f, 0xc1d2e158, 0x4f1f2f73, 0xc1cfe80a,
+  0x4f12f941, 0xc1ccf122, 0x4f06c27a, 0xc1c9fca0,
+  0x4efa8b20, 0xc1c70a84, 0x4eee5331, 0xc1c41ace,
+  0x4ee21aaf, 0xc1c12d7e, 0x4ed5e19a, 0xc1be4294,
+  0x4ec9a7f3, 0xc1bb5a11, 0x4ebd6db9, 0xc1b873f5,
+  0x4eb132ef, 0xc1b5903f, 0x4ea4f793, 0xc1b2aef0,
+  0x4e98bba7, 0xc1afd007, 0x4e8c7f2a, 0xc1acf386,
+  0x4e80421e, 0xc1aa196c, 0x4e740483, 0xc1a741b9,
+  0x4e67c65a, 0xc1a46c6e, 0x4e5b87a2, 0xc1a1998a,
+  0x4e4f485c, 0xc19ec90d, 0x4e430889, 0xc19bfaf9,
+  0x4e36c82a, 0xc1992f4c, 0x4e2a873e, 0xc1966606,
+  0x4e1e45c6, 0xc1939f29, 0x4e1203c3, 0xc190dab4,
+  0x4e05c135, 0xc18e18a7, 0x4df97e1d, 0xc18b5903,
+  0x4ded3a7b, 0xc1889bc6, 0x4de0f64f, 0xc185e0f3,
+  0x4dd4b19a, 0xc1832888, 0x4dc86c5d, 0xc1807285,
+  0x4dbc2698, 0xc17dbeec, 0x4dafe04b, 0xc17b0dbb,
+  0x4da39978, 0xc1785ef4, 0x4d97521d, 0xc175b296,
+  0x4d8b0a3d, 0xc17308a1, 0x4d7ec1d6, 0xc1706115,
+  0x4d7278eb, 0xc16dbbf3, 0x4d662f7b, 0xc16b193a,
+  0x4d59e586, 0xc16878eb, 0x4d4d9b0e, 0xc165db05,
+  0x4d415013, 0xc1633f8a, 0x4d350495, 0xc160a678,
+  0x4d28b894, 0xc15e0fd1, 0x4d1c6c11, 0xc15b7b94,
+  0x4d101f0e, 0xc158e9c1, 0x4d03d189, 0xc1565a58,
+  0x4cf78383, 0xc153cd5a, 0x4ceb34fe, 0xc15142c6,
+  0x4cdee5f9, 0xc14eba9d, 0x4cd29676, 0xc14c34df,
+  0x4cc64673, 0xc149b18b, 0x4cb9f5f3, 0xc14730a3,
+  0x4cada4f5, 0xc144b225, 0x4ca1537a, 0xc1423613,
+  0x4c950182, 0xc13fbc6c, 0x4c88af0e, 0xc13d4530,
+  0x4c7c5c1e, 0xc13ad060, 0x4c7008b3, 0xc1385dfb,
+  0x4c63b4ce, 0xc135ee02, 0x4c57606e, 0xc1338075,
+  0x4c4b0b94, 0xc1311553, 0x4c3eb641, 0xc12eac9d,
+  0x4c326075, 0xc12c4653, 0x4c260a31, 0xc129e276,
+  0x4c19b374, 0xc1278104, 0x4c0d5c41, 0xc12521ff,
+  0x4c010496, 0xc122c566, 0x4bf4ac75, 0xc1206b39,
+  0x4be853de, 0xc11e1379, 0x4bdbfad1, 0xc11bbe26,
+  0x4bcfa150, 0xc1196b3f, 0x4bc34759, 0xc1171ac6,
+  0x4bb6ecef, 0xc114ccb9, 0x4baa9211, 0xc1128119,
+  0x4b9e36c0, 0xc11037e6, 0x4b91dafc, 0xc10df120,
+  0x4b857ec7, 0xc10bacc8, 0x4b79221f, 0xc1096add,
+  0x4b6cc506, 0xc1072b5f, 0x4b60677c, 0xc104ee4f,
+  0x4b540982, 0xc102b3ac, 0x4b47ab19, 0xc1007b77,
+  0x4b3b4c40, 0xc0fe45b0, 0x4b2eecf8, 0xc0fc1257,
+  0x4b228d42, 0xc0f9e16b, 0x4b162d1d, 0xc0f7b2ee,
+  0x4b09cc8c, 0xc0f586df, 0x4afd6b8d, 0xc0f35d3e,
+  0x4af10a22, 0xc0f1360b, 0x4ae4a84b, 0xc0ef1147,
+  0x4ad84609, 0xc0eceef1, 0x4acbe35b, 0xc0eacf09,
+  0x4abf8043, 0xc0e8b190, 0x4ab31cc1, 0xc0e69686,
+  0x4aa6b8d5, 0xc0e47deb, 0x4a9a5480, 0xc0e267be,
+  0x4a8defc3, 0xc0e05401, 0x4a818a9d, 0xc0de42b2,
+  0x4a752510, 0xc0dc33d2, 0x4a68bf1b, 0xc0da2762,
+  0x4a5c58c0, 0xc0d81d61, 0x4a4ff1fe, 0xc0d615cf,
+  0x4a438ad7, 0xc0d410ad, 0x4a37234a, 0xc0d20dfa,
+  0x4a2abb59, 0xc0d00db6, 0x4a1e5303, 0xc0ce0fe3,
+  0x4a11ea49, 0xc0cc147f, 0x4a05812c, 0xc0ca1b8a,
+  0x49f917ac, 0xc0c82506, 0x49ecadc9, 0xc0c630f2,
+  0x49e04385, 0xc0c43f4d, 0x49d3d8df, 0xc0c25019,
+  0x49c76dd8, 0xc0c06355, 0x49bb0271, 0xc0be7901,
+  0x49ae96aa, 0xc0bc911d, 0x49a22a83, 0xc0baabaa,
+  0x4995bdfd, 0xc0b8c8a7, 0x49895118, 0xc0b6e815,
+  0x497ce3d5, 0xc0b509f3, 0x49707635, 0xc0b32e42,
+  0x49640837, 0xc0b15502, 0x495799dd, 0xc0af7e33,
+  0x494b2b27, 0xc0ada9d4, 0x493ebc14, 0xc0abd7e6,
+  0x49324ca7, 0xc0aa086a, 0x4925dcdf, 0xc0a83b5e,
+  0x49196cbc, 0xc0a670c4, 0x490cfc40, 0xc0a4a89b,
+  0x49008b6a, 0xc0a2e2e3, 0x48f41a3c, 0xc0a11f9d,
+  0x48e7a8b5, 0xc09f5ec8, 0x48db36d6, 0xc09da065,
+  0x48cec4a0, 0xc09be473, 0x48c25213, 0xc09a2af3,
+  0x48b5df30, 0xc09873e4, 0x48a96bf6, 0xc096bf48,
+  0x489cf867, 0xc0950d1d, 0x48908483, 0xc0935d64,
+  0x4884104b, 0xc091b01d, 0x48779bbe, 0xc0900548,
+  0x486b26de, 0xc08e5ce5, 0x485eb1ab, 0xc08cb6f5,
+  0x48523c25, 0xc08b1376, 0x4845c64d, 0xc089726a,
+  0x48395024, 0xc087d3d0, 0x482cd9a9, 0xc08637a9,
+  0x482062de, 0xc0849df4, 0x4813ebc2, 0xc08306b2,
+  0x48077457, 0xc08171e2, 0x47fafc9c, 0xc07fdf85,
+  0x47ee8493, 0xc07e4f9b, 0x47e20c3b, 0xc07cc223,
+  0x47d59396, 0xc07b371e, 0x47c91aa3, 0xc079ae8c,
+  0x47bca163, 0xc078286e, 0x47b027d7, 0xc076a4c2,
+  0x47a3adff, 0xc0752389, 0x479733dc, 0xc073a4c3,
+  0x478ab96e, 0xc0722871, 0x477e3eb5, 0xc070ae92,
+  0x4771c3b3, 0xc06f3726, 0x47654867, 0xc06dc22e,
+  0x4758ccd2, 0xc06c4fa8, 0x474c50f4, 0xc06adf97,
+  0x473fd4cf, 0xc06971f9, 0x47335862, 0xc06806ce,
+  0x4726dbae, 0xc0669e18, 0x471a5eb3, 0xc06537d4,
+  0x470de172, 0xc063d405, 0x470163eb, 0xc06272aa,
+  0x46f4e620, 0xc06113c2, 0x46e86810, 0xc05fb74e,
+  0x46dbe9bb, 0xc05e5d4e, 0x46cf6b23, 0xc05d05c3,
+  0x46c2ec48, 0xc05bb0ab, 0x46b66d29, 0xc05a5e07,
+  0x46a9edc9, 0xc0590dd8, 0x469d6e27, 0xc057c01d,
+  0x4690ee44, 0xc05674d6, 0x46846e1f, 0xc0552c03,
+  0x4677edbb, 0xc053e5a5, 0x466b6d16, 0xc052a1bb,
+  0x465eec33, 0xc0516045, 0x46526b10, 0xc0502145,
+  0x4645e9af, 0xc04ee4b8, 0x46396810, 0xc04daaa1,
+  0x462ce634, 0xc04c72fe, 0x4620641a, 0xc04b3dcf,
+  0x4613e1c5, 0xc04a0b16, 0x46075f33, 0xc048dad1,
+  0x45fadc66, 0xc047ad01, 0x45ee595d, 0xc04681a6,
+  0x45e1d61b, 0xc04558c0, 0x45d5529e, 0xc044324f,
+  0x45c8cee7, 0xc0430e53, 0x45bc4af8, 0xc041eccc,
+  0x45afc6d0, 0xc040cdba, 0x45a3426f, 0xc03fb11d,
+  0x4596bdd7, 0xc03e96f6, 0x458a3908, 0xc03d7f44,
+  0x457db403, 0xc03c6a07, 0x45712ec7, 0xc03b573f,
+  0x4564a955, 0xc03a46ed, 0x455823ae, 0xc0393910,
+  0x454b9dd3, 0xc0382da8, 0x453f17c3, 0xc03724b6,
+  0x4532917f, 0xc0361e3a, 0x45260b08, 0xc0351a33,
+  0x4519845e, 0xc03418a2, 0x450cfd82, 0xc0331986,
+  0x45007674, 0xc0321ce0, 0x44f3ef35, 0xc03122b0,
+  0x44e767c5, 0xc0302af5, 0x44dae024, 0xc02f35b1,
+  0x44ce5854, 0xc02e42e2, 0x44c1d054, 0xc02d5289,
+  0x44b54825, 0xc02c64a6, 0x44a8bfc7, 0xc02b7939,
+  0x449c373c, 0xc02a9042, 0x448fae83, 0xc029a9c1,
+  0x4483259d, 0xc028c5b6, 0x44769c8b, 0xc027e421,
+  0x446a134c, 0xc0270502, 0x445d89e2, 0xc0262859,
+  0x4451004d, 0xc0254e27, 0x4444768d, 0xc024766a,
+  0x4437eca4, 0xc023a124, 0x442b6290, 0xc022ce54,
+  0x441ed854, 0xc021fdfb, 0x44124dee, 0xc0213018,
+  0x4405c361, 0xc02064ab, 0x43f938ac, 0xc01f9bb5,
+  0x43ecadcf, 0xc01ed535, 0x43e022cc, 0xc01e112b,
+  0x43d397a3, 0xc01d4f99, 0x43c70c54, 0xc01c907c,
+  0x43ba80df, 0xc01bd3d6, 0x43adf546, 0xc01b19a7,
+  0x43a16988, 0xc01a61ee, 0x4394dda7, 0xc019acac,
+  0x438851a2, 0xc018f9e1, 0x437bc57b, 0xc018498c,
+  0x436f3931, 0xc0179bae, 0x4362acc5, 0xc016f047,
+  0x43562038, 0xc0164757, 0x43499389, 0xc015a0dd,
+  0x433d06bb, 0xc014fcda, 0x433079cc, 0xc0145b4e,
+  0x4323ecbe, 0xc013bc39, 0x43175f91, 0xc0131f9b,
+  0x430ad245, 0xc0128574, 0x42fe44dc, 0xc011edc3,
+  0x42f1b755, 0xc011588a, 0x42e529b0, 0xc010c5c7,
+  0x42d89bf0, 0xc010357c, 0x42cc0e13, 0xc00fa7a8,
+  0x42bf801a, 0xc00f1c4a, 0x42b2f207, 0xc00e9364,
+  0x42a663d8, 0xc00e0cf5, 0x4299d590, 0xc00d88fd,
+  0x428d472e, 0xc00d077c, 0x4280b8b3, 0xc00c8872,
+  0x42742a1f, 0xc00c0be0, 0x42679b73, 0xc00b91c4,
+  0x425b0caf, 0xc00b1a20, 0x424e7dd4, 0xc00aa4f3,
+  0x4241eee2, 0xc00a323d, 0x42355fd9, 0xc009c1ff,
+  0x4228d0bb, 0xc0095438, 0x421c4188, 0xc008e8e8,
+  0x420fb240, 0xc008800f, 0x420322e3, 0xc00819ae,
+  0x41f69373, 0xc007b5c4, 0x41ea03ef, 0xc0075452,
+  0x41dd7459, 0xc006f556, 0x41d0e4b0, 0xc00698d3,
+  0x41c454f5, 0xc0063ec6, 0x41b7c528, 0xc005e731,
+  0x41ab354b, 0xc0059214, 0x419ea55d, 0xc0053f6e,
+  0x4192155f, 0xc004ef3f, 0x41858552, 0xc004a188,
+  0x4178f536, 0xc0045648, 0x416c650b, 0xc0040d80,
+  0x415fd4d2, 0xc003c72f, 0x4153448c, 0xc0038356,
+  0x4146b438, 0xc00341f4, 0x413a23d8, 0xc003030a,
+  0x412d936c, 0xc002c697, 0x412102f4, 0xc0028c9c,
+  0x41147271, 0xc0025519, 0x4107e1e3, 0xc002200d,
+  0x40fb514b, 0xc001ed78, 0x40eec0aa, 0xc001bd5c,
+  0x40e22fff, 0xc0018fb6, 0x40d59f4c, 0xc0016489,
+  0x40c90e90, 0xc0013bd3, 0x40bc7dcc, 0xc0011594,
+  0x40afed02, 0xc000f1ce, 0x40a35c30, 0xc000d07e,
+  0x4096cb58, 0xc000b1a7, 0x408a3a7b, 0xc0009547,
+  0x407da998, 0xc0007b5f, 0x407118b0, 0xc00063ee,
+  0x406487c4, 0xc0004ef5, 0x4057f6d4, 0xc0003c74,
+  0x404b65e1, 0xc0002c6a, 0x403ed4ea, 0xc0001ed8,
+  0x403243f1, 0xc00013bd, 0x4025b2f7, 0xc0000b1a,
+  0x401921fb, 0xc00004ef, 0x400c90fe, 0xc000013c,
+};
+
+/**    
+* @brief  Initialization function for the Q31 RFFT/RIFFT.   
+* @param[in, out] *S             points to an instance of the Q31 RFFT/RIFFT structure.   
+* @param[in, out] *S_CFFT        points to an instance of the Q31 CFFT/CIFFT structure.   
+* @param[in]      fftLenReal     length of the FFT.   
+* @param[in]      ifftFlagR      flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform.   
+* @param[in]      bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.   
+* @return		The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLenReal is not a supported value.   
+*    
+* \par Description:   
+* \par   
+* The parameter fftLenReal	Specifies length of RFFT/RIFFT Process. Supported FFT Lengths are 128, 512, 2048.    
+* \par    
+* The parameter ifftFlagR controls whether a forward or inverse transform is computed.    
+* Set(=1) ifftFlagR to calculate RIFFT, otherwise RFFT is calculated.    
+* \par    
+* The parameter bitReverseFlag controls whether output is in normal order or bit reversed order.    
+* Set(=1) bitReverseFlag for output to be in normal order otherwise output is in bit reversed order.   
+* \par    
+* This function also initializes Twiddle factor table.    
+*/
+
+arm_status arm_rfft_init_q31(
+  arm_rfft_instance_q31 * S,
+  arm_cfft_radix4_instance_q31 * S_CFFT,
+  uint32_t fftLenReal,
+  uint32_t ifftFlagR,
+  uint32_t bitReverseFlag)
+{
+  /*  Initialise the default arm status */
+  arm_status status = ARM_MATH_SUCCESS;
+
+  /*  Initialize the Real FFT length */
+  S->fftLenReal = (uint16_t) fftLenReal;
+
+  /*  Initialize the Complex FFT length */
+  S->fftLenBy2 = (uint16_t) fftLenReal / 2u;
+
+  /*  Initialize the Twiddle coefficientA pointer */
+  S->pTwiddleAReal = (q31_t *) realCoefAQ31;
+
+  /*  Initialize the Twiddle coefficientB pointer */
+  S->pTwiddleBReal = (q31_t *) realCoefBQ31;
+
+  /*  Initialize the Flag for selection of RFFT or RIFFT */
+  S->ifftFlagR = (uint8_t) ifftFlagR;
+
+  /*  Initialize the Flag for calculation Bit reversal or not */
+  S->bitReverseFlagR = (uint8_t) bitReverseFlag;
+
+  /*  Initialization of coef modifier depending on the FFT length */
+  switch (S->fftLenReal)
+  {
+  case 8192:
+    S->twidCoefRModifier = 1u;
+    break;
+  case 2048u:
+    S->twidCoefRModifier = 4u;
+    break;
+  case 512u:
+    S->twidCoefRModifier = 16u;
+    break;
+  case 128u:
+    S->twidCoefRModifier = 64u;
+    break;
+  default:
+    /*  Reporting argument error if rfftSize is not valid value */
+    status = ARM_MATH_ARGUMENT_ERROR;
+    break;
+  }
+
+  /* Init Complex FFT Instance */
+  S->pCfft = S_CFFT;
+
+  if(S->ifftFlagR)
+  {
+    /* Initializes the CIFFT Module for fftLenreal/2 length */
+    arm_cfft_radix4_init_q31(S->pCfft, (uint16_t) S->fftLenBy2, 1u, 1u);
+  }
+  else
+  {
+    /* Initializes the CFFT Module for fftLenreal/2 length */
+    arm_cfft_radix4_init_q31(S->pCfft, (uint16_t) S->fftLenBy2, 0u, 1u);
+  }
+
+  /* return the status of RFFT Init function */
+  return (status);
+
+}
+
+  /**    
+   * @} end of RFFT_RIFFT group    
+   */
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_q15.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_q15.c
new file mode 100644
index 0000000000..a307ecd215
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_q15.c
@@ -0,0 +1,460 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_rfft_q15.c    
+*    
+* Description:	RFFT & RIFFT Q15 process function    
+*    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+
+#include "arm_math.h"
+
+/*--------------------------------------------------------------------    
+*		Internal functions prototypes    
+--------------------------------------------------------------------*/
+
+void arm_split_rfft_q15(
+  q15_t * pSrc,
+  uint32_t fftLen,
+  q15_t * pATable,
+  q15_t * pBTable,
+  q15_t * pDst,
+  uint32_t modifier);
+
+void arm_split_rifft_q15(
+  q15_t * pSrc,
+  uint32_t fftLen,
+  q15_t * pATable,
+  q15_t * pBTable,
+  q15_t * pDst,
+  uint32_t modifier);
+
+/**    
+ * @addtogroup RFFT_RIFFT    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the Q15 RFFT/RIFFT.   
+ * @param[in]  *S    points to an instance of the Q15 RFFT/RIFFT structure.   
+ * @param[in]  *pSrc points to the input buffer.   
+ * @param[out] *pDst points to the output buffer.   
+ * @return none.   
+ *    
+ * \par Input an output formats:   
+ * \par    
+ * Internally input is downscaled by 2 for every stage to avoid saturations inside CFFT/CIFFT process.    
+ * Hence the output format is different for different RFFT sizes.    
+ * The input and output formats for different RFFT sizes and number of bits to upscale are mentioned in the tables below for RFFT and RIFFT:   
+ * \par    
+ * \image html RFFTQ15.gif "Input and Output Formats for Q15 RFFT"    
+ * \par    
+ * \image html RIFFTQ15.gif "Input and Output Formats for Q15 RIFFT"    
+ */
+
+void arm_rfft_q15(
+  const arm_rfft_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst)
+{
+  const arm_cfft_radix4_instance_q15 *S_CFFT = S->pCfft;
+
+  /* Calculation of RIFFT of input */
+  if(S->ifftFlagR == 1u)
+  {
+    /*  Real IFFT core process */
+    arm_split_rifft_q15(pSrc, S->fftLenBy2, S->pTwiddleAReal,
+                        S->pTwiddleBReal, pDst, S->twidCoefRModifier);
+
+    /* Complex readix-4 IFFT process */
+    arm_radix4_butterfly_inverse_q15(pDst, S_CFFT->fftLen,
+                                     S_CFFT->pTwiddle,
+                                     S_CFFT->twidCoefModifier);
+
+    /* Bit reversal process */
+    if(S->bitReverseFlagR == 1u)
+    {
+      arm_bitreversal_q15(pDst, S_CFFT->fftLen,
+                          S_CFFT->bitRevFactor, S_CFFT->pBitRevTable);
+    }
+  }
+  else
+  {
+    /* Calculation of RFFT of input */
+
+    /* Complex readix-4 FFT process */
+    arm_radix4_butterfly_q15(pSrc, S_CFFT->fftLen,
+                             S_CFFT->pTwiddle, S_CFFT->twidCoefModifier);
+
+    /* Bit reversal process */
+    if(S->bitReverseFlagR == 1u)
+    {
+      arm_bitreversal_q15(pSrc, S_CFFT->fftLen,
+                          S_CFFT->bitRevFactor, S_CFFT->pBitRevTable);
+    }
+
+    arm_split_rfft_q15(pSrc, S->fftLenBy2, S->pTwiddleAReal,
+                       S->pTwiddleBReal, pDst, S->twidCoefRModifier);
+  }
+
+}
+
+  /**    
+   * @} end of RFFT_RIFFT group    
+   */
+
+/**    
+ * @brief  Core Real FFT process    
+ * @param  *pSrc 				points to the input buffer.   
+ * @param  fftLen  				length of FFT.   
+ * @param  *pATable 			points to the A twiddle Coef buffer.    
+ * @param  *pBTable 			points to the B twiddle Coef buffer.   
+ * @param  *pDst 				points to the output buffer.   
+ * @param  modifier 	        twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.   
+ * @return none.    
+ * The function implements a Real FFT    
+ */
+
+void arm_split_rfft_q15(
+  q15_t * pSrc,
+  uint32_t fftLen,
+  q15_t * pATable,
+  q15_t * pBTable,
+  q15_t * pDst,
+  uint32_t modifier)
+{
+  uint32_t i;                                    /* Loop Counter */
+  q31_t outR, outI;                              /* Temporary variables for output */
+  q15_t *pCoefA, *pCoefB;                        /* Temporary pointers for twiddle factors */
+  q15_t *pSrc1, *pSrc2;
+
+
+//  pSrc[2u * fftLen] = pSrc[0]; 
+//  pSrc[(2u * fftLen) + 1u] = pSrc[1]; 
+
+  pCoefA = &pATable[modifier * 2u];
+  pCoefB = &pBTable[modifier * 2u];
+
+  pSrc1 = &pSrc[2];
+  pSrc2 = &pSrc[(2u * fftLen) - 2u];
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  i = 1u;
+
+  while(i < fftLen)
+  {
+    /*    
+       outR = (pSrc[2 * i] * pATable[2 * i] - pSrc[2 * i + 1] * pATable[2 * i + 1]    
+       + pSrc[2 * n - 2 * i] * pBTable[2 * i] +    
+       pSrc[2 * n - 2 * i + 1] * pBTable[2 * i + 1]);    
+     */
+
+    /* outI = (pIn[2 * i + 1] * pATable[2 * i] + pIn[2 * i] * pATable[2 * i + 1] +    
+       pIn[2 * n - 2 * i] * pBTable[2 * i + 1] -    
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i]); */
+
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    /* pSrc[2 * i] * pATable[2 * i] - pSrc[2 * i + 1] * pATable[2 * i + 1] */
+    outR = __SMUSD(*__SIMD32(pSrc1), *__SIMD32(pCoefA));
+
+#else
+
+    /* -(pSrc[2 * i + 1] * pATable[2 * i + 1] - pSrc[2 * i] * pATable[2 * i]) */
+    outR = -(__SMUSD(*__SIMD32(pSrc1), *__SIMD32(pCoefA)));
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+    /* pSrc[2 * n - 2 * i] * pBTable[2 * i] +    
+       pSrc[2 * n - 2 * i + 1] * pBTable[2 * i + 1]) */
+    outR = __SMLAD(*__SIMD32(pSrc2), *__SIMD32(pCoefB), outR) >> 15u;
+
+    /* pIn[2 * n - 2 * i] * pBTable[2 * i + 1] -    
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i] */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    outI = __SMUSDX(*__SIMD32(pSrc2)--, *__SIMD32(pCoefB));
+
+#else
+
+    outI = __SMUSDX(*__SIMD32(pCoefB), *__SIMD32(pSrc2)--);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+    /* (pIn[2 * i + 1] * pATable[2 * i] + pIn[2 * i] * pATable[2 * i + 1] */
+    outI = __SMLADX(*__SIMD32(pSrc1)++, *__SIMD32(pCoefA), outI);
+
+    /* write output */
+    pDst[2u * i] = (q15_t) outR;
+    pDst[(2u * i) + 1u] = outI >> 15u;
+
+    /* write complex conjugate output */
+    pDst[(4u * fftLen) - (2u * i)] = (q15_t) outR;
+    pDst[((4u * fftLen) - (2u * i)) + 1u] = -(outI >> 15u);
+
+    /* update coefficient pointer */
+    pCoefB = pCoefB + (2u * modifier);
+    pCoefA = pCoefA + (2u * modifier);
+
+    i++;
+
+  }
+
+  pDst[2u * fftLen] = pSrc[0] - pSrc[1];
+  pDst[(2u * fftLen) + 1u] = 0;
+
+  pDst[0] = pSrc[0] + pSrc[1];
+  pDst[1] = 0;
+
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  i = 1u;
+
+  while(i < fftLen)
+  {
+    /*    
+       outR = (pSrc[2 * i] * pATable[2 * i] - pSrc[2 * i + 1] * pATable[2 * i + 1]    
+       + pSrc[2 * n - 2 * i] * pBTable[2 * i] +    
+       pSrc[2 * n - 2 * i + 1] * pBTable[2 * i + 1]);    
+     */
+
+    outR = *pSrc1 * *pCoefA;
+    outR = outR - (*(pSrc1 + 1) * *(pCoefA + 1));
+    outR = outR + (*pSrc2 * *pCoefB);
+    outR = (outR + (*(pSrc2 + 1) * *(pCoefB + 1))) >> 15;
+
+
+    /* outI = (pIn[2 * i + 1] * pATable[2 * i] + pIn[2 * i] * pATable[2 * i + 1] +    
+       pIn[2 * n - 2 * i] * pBTable[2 * i + 1] -    
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i]);   
+     */
+
+    outI = *pSrc2 * *(pCoefB + 1);
+    outI = outI - (*(pSrc2 + 1) * *pCoefB);
+    outI = outI + (*(pSrc1 + 1) * *pCoefA);
+    outI = outI + (*pSrc1 * *(pCoefA + 1));
+
+    /* update input pointers */
+    pSrc1 += 2u;
+    pSrc2 -= 2u;
+
+    /* write output */
+    pDst[2u * i] = (q15_t) outR;
+    pDst[(2u * i) + 1u] = outI >> 15u;
+
+    /* write complex conjugate output */
+    pDst[(4u * fftLen) - (2u * i)] = (q15_t) outR;
+    pDst[((4u * fftLen) - (2u * i)) + 1u] = -(outI >> 15u);
+
+    /* update coefficient pointer */
+    pCoefB = pCoefB + (2u * modifier);
+    pCoefA = pCoefA + (2u * modifier);
+
+    i++;
+
+  }
+
+  pDst[2u * fftLen] = pSrc[0] - pSrc[1];
+  pDst[(2u * fftLen) + 1u] = 0;
+
+  pDst[0] = pSrc[0] + pSrc[1];
+  pDst[1] = 0;
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
+
+
+/**    
+ * @brief  Core Real IFFT process    
+ * @param[in]   *pSrc 				points to the input buffer.    
+ * @param[in]   fftLen  		    length of FFT.   
+ * @param[in]   *pATable 			points to the twiddle Coef A buffer.   
+ * @param[in]   *pBTable 			points to the twiddle Coef B buffer.    
+ * @param[out]  *pDst 				points to the output buffer.   
+ * @param[in]   modifier 	        twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.   
+ * @return none.    
+ * The function implements a Real IFFT    
+ */
+void arm_split_rifft_q15(
+  q15_t * pSrc,
+  uint32_t fftLen,
+  q15_t * pATable,
+  q15_t * pBTable,
+  q15_t * pDst,
+  uint32_t modifier)
+{
+  uint32_t i;                                    /* Loop Counter */
+  q31_t outR, outI;                              /* Temporary variables for output */
+  q15_t *pCoefA, *pCoefB;                        /* Temporary pointers for twiddle factors */
+  q15_t *pSrc1, *pSrc2;
+  q15_t *pDst1 = &pDst[0];
+
+  pCoefA = &pATable[0];
+  pCoefB = &pBTable[0];
+
+  pSrc1 = &pSrc[0];
+  pSrc2 = &pSrc[2u * fftLen];
+
+#ifndef ARM_MATH_CM0
+
+  /* Run the below code for Cortex-M4 and Cortex-M3 */
+
+  i = fftLen;
+
+  while(i > 0u)
+  {
+
+    /*    
+       outR = (pIn[2 * i] * pATable[2 * i] + pIn[2 * i + 1] * pATable[2 * i + 1] +    
+       pIn[2 * n - 2 * i] * pBTable[2 * i] -    
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i + 1]);    
+
+       outI = (pIn[2 * i + 1] * pATable[2 * i] - pIn[2 * i] * pATable[2 * i + 1] -    
+       pIn[2 * n - 2 * i] * pBTable[2 * i + 1] -    
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i]);    
+
+     */
+
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    /* pIn[2 * n - 2 * i] * pBTable[2 * i] -    
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i + 1]) */
+    outR = __SMUSD(*__SIMD32(pSrc2), *__SIMD32(pCoefB));
+
+#else
+
+    /* -(-pIn[2 * n - 2 * i] * pBTable[2 * i] +  
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i + 1])) */
+    outR = -(__SMUSD(*__SIMD32(pSrc2), *__SIMD32(pCoefB)));
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+    /* pIn[2 * i] * pATable[2 * i] + pIn[2 * i + 1] * pATable[2 * i + 1] +    
+       pIn[2 * n - 2 * i] * pBTable[2 * i] */
+    outR = __SMLAD(*__SIMD32(pSrc1), *__SIMD32(pCoefA), outR) >> 15u;
+
+    /*    
+       -pIn[2 * n - 2 * i] * pBTable[2 * i + 1] +    
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i] */
+    outI = __SMUADX(*__SIMD32(pSrc2)--, *__SIMD32(pCoefB));
+
+    /* pIn[2 * i + 1] * pATable[2 * i] - pIn[2 * i] * pATable[2 * i + 1] */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    outI = __SMLSDX(*__SIMD32(pCoefA), *__SIMD32(pSrc1)++, -outI);
+
+#else
+
+    outI = __SMLSDX(*__SIMD32(pSrc1)++, *__SIMD32(pCoefA), -outI);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+    /* write output */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+    *__SIMD32(pDst1)++ = __PKHBT(outR, (outI >> 15u), 16);
+
+#else
+
+    *__SIMD32(pDst1)++ = __PKHBT((outI >> 15u), outR, 16);
+
+#endif /*      #ifndef ARM_MATH_BIG_ENDIAN     */
+
+    /* update coefficient pointer */
+    pCoefB = pCoefB + (2u * modifier);
+    pCoefA = pCoefA + (2u * modifier);
+
+    i--;
+
+  }
+
+
+#else
+
+  /* Run the below code for Cortex-M0 */
+
+  i = fftLen;
+
+  while(i > 0u)
+  {
+
+    /*    
+       outR = (pIn[2 * i] * pATable[2 * i] + pIn[2 * i + 1] * pATable[2 * i + 1] +    
+       pIn[2 * n - 2 * i] * pBTable[2 * i] -    
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i + 1]);    
+     */
+
+    outR = *pSrc2 * *pCoefB;
+    outR = outR - (*(pSrc2 + 1) * *(pCoefB + 1));
+    outR = outR + (*pSrc1 * *pCoefA);
+    outR = (outR + (*(pSrc1 + 1) * *(pCoefA + 1))) >> 15;
+
+    /*   
+       outI = (pIn[2 * i + 1] * pATable[2 * i] - pIn[2 * i] * pATable[2 * i + 1] -   
+       pIn[2 * n - 2 * i] * pBTable[2 * i + 1] -   
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i]);   
+     */
+
+    outI = *(pSrc1 + 1) * *pCoefA;
+    outI = outI - (*pSrc1 * *(pCoefA + 1));
+    outI = outI - (*pSrc2 * *(pCoefB + 1));
+    outI = outI - (*(pSrc2 + 1) * *(pCoefB));
+
+    /* update input pointers */
+    pSrc1 += 2u;
+    pSrc2 -= 2u;
+
+    /* write output */
+    *pDst1++ = (q15_t) outR;
+    *pDst1++ = (q15_t) (outI >> 15);
+
+    /* update coefficient pointer */
+    pCoefB = pCoefB + (2u * modifier);
+    pCoefA = pCoefA + (2u * modifier);
+
+    i--;
+
+  }
+
+#endif /* #ifndef ARM_MATH_CM0 */
+
+}
diff --git a/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_q31.c b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_q31.c
new file mode 100644
index 0000000000..c50c2951a5
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/TransformFunctions/arm_rfft_q31.c
@@ -0,0 +1,326 @@
+/* ----------------------------------------------------------------------    
+* Copyright (C) 2010 ARM Limited. All rights reserved.    
+*    
+* $Date:        15. February 2012  
+* $Revision: 	V1.1.0  
+*    
+* Project: 	    CMSIS DSP Library    
+* Title:	    arm_rfft_q31.c    
+*    
+* Description:	RFFT & RIFFT Q31 process function    
+*    
+*    
+* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+*  
+* Version 1.1.0 2012/02/15 
+*    Updated with more optimizations, bug fixes and minor API changes.  
+*   
+* Version 1.0.10 2011/7/15  
+*    Big Endian support added and Merged M0 and M3/M4 Source code.   
+*    
+* Version 1.0.3 2010/11/29   
+*    Re-organized the CMSIS folders and updated documentation.    
+*     
+* Version 1.0.2 2010/11/11    
+*    Documentation updated.     
+*    
+* Version 1.0.1 2010/10/05     
+*    Production release and review comments incorporated.    
+*    
+* Version 1.0.0 2010/09/20     
+*    Production release and review comments incorporated.    
+*    
+* Version 0.0.7  2010/06/10     
+*    Misra-C changes done    
+* -------------------------------------------------------------------- */
+
+#include "arm_math.h"
+
+/*--------------------------------------------------------------------    
+*		Internal functions prototypes    
+--------------------------------------------------------------------*/
+
+void arm_split_rfft_q31(
+  q31_t * pSrc,
+  uint32_t fftLen,
+  q31_t * pATable,
+  q31_t * pBTable,
+  q31_t * pDst,
+  uint32_t modifier);
+
+void arm_split_rifft_q31(
+  q31_t * pSrc,
+  uint32_t fftLen,
+  q31_t * pATable,
+  q31_t * pBTable,
+  q31_t * pDst,
+  uint32_t modifier);
+
+/**    
+ * @addtogroup RFFT_RIFFT    
+ * @{    
+ */
+
+/**    
+ * @brief Processing function for the Q31 RFFT/RIFFT.   
+ * @param[in]  *S    points to an instance of the Q31 RFFT/RIFFT structure.   
+ * @param[in]  *pSrc points to the input buffer.   
+ * @param[out] *pDst points to the output buffer.   
+ * @return none.   
+ *    
+ * \par Input an output formats:   
+ * \par    
+ * Internally input is downscaled by 2 for every stage to avoid saturations inside CFFT/CIFFT process.   
+ * Hence the output format is different for different RFFT sizes.    
+ * The input and output formats for different RFFT sizes and number of bits to upscale are mentioned in the tables below for RFFT and RIFFT:   
+ * \par    
+ * \image html RFFTQ31.gif "Input and Output Formats for Q31 RFFT"    
+ *    
+ * \par    
+ * \image html RIFFTQ31.gif "Input and Output Formats for Q31 RIFFT"    
+ */
+
+void arm_rfft_q31(
+  const arm_rfft_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst)
+{
+  const arm_cfft_radix4_instance_q31 *S_CFFT = S->pCfft;
+
+  /* Calculation of RIFFT of input */
+  if(S->ifftFlagR == 1u)
+  {
+    /*  Real IFFT core process */
+    arm_split_rifft_q31(pSrc, S->fftLenBy2, S->pTwiddleAReal,
+                        S->pTwiddleBReal, pDst, S->twidCoefRModifier);
+
+    /* Complex readix-4 IFFT process */
+    arm_radix4_butterfly_inverse_q31(pDst, S_CFFT->fftLen,
+                                     S_CFFT->pTwiddle,
+                                     S_CFFT->twidCoefModifier);
+    /* Bit reversal process */
+    if(S->bitReverseFlagR == 1u)
+    {
+      arm_bitreversal_q31(pDst, S_CFFT->fftLen,
+                          S_CFFT->bitRevFactor, S_CFFT->pBitRevTable);
+    }
+  }
+  else
+  {
+    /* Calculation of RFFT of input */
+
+    /* Complex readix-4 FFT process */
+    arm_radix4_butterfly_q31(pSrc, S_CFFT->fftLen,
+                             S_CFFT->pTwiddle, S_CFFT->twidCoefModifier);
+
+    /* Bit reversal process */
+    if(S->bitReverseFlagR == 1u)
+    {
+      arm_bitreversal_q31(pSrc, S_CFFT->fftLen,
+                          S_CFFT->bitRevFactor, S_CFFT->pBitRevTable);
+    }
+
+    /*  Real FFT core process */
+    arm_split_rfft_q31(pSrc, S->fftLenBy2, S->pTwiddleAReal,
+                       S->pTwiddleBReal, pDst, S->twidCoefRModifier);
+  }
+
+}
+
+
+  /**    
+   * @} end of RFFT_RIFFT group    
+   */
+
+/**    
+ * @brief  Core Real FFT process    
+ * @param[in]   *pSrc 				points to the input buffer.    
+ * @param[in]   fftLen  			length of FFT.   
+ * @param[in]   *pATable 			points to the twiddle Coef A buffer.    
+ * @param[in]   *pBTable 			points to the twiddle Coef B buffer.    
+ * @param[out]  *pDst 				points to the output buffer.    
+ * @param[in]   modifier 	        twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.   
+ * @return none.    
+ */
+
+void arm_split_rfft_q31(
+  q31_t * pSrc,
+  uint32_t fftLen,
+  q31_t * pATable,
+  q31_t * pBTable,
+  q31_t * pDst,
+  uint32_t modifier)
+{
+  uint32_t i;                                    /* Loop Counter */
+  q31_t outR, outI;                              /* Temporary variables for output */
+  q31_t *pCoefA, *pCoefB;                        /* Temporary pointers for twiddle factors */
+  q31_t CoefA1, CoefA2, CoefB1;                  /* Temporary variables for twiddle coefficients */
+  q31_t *pOut1 = &pDst[2], *pOut2 = &pDst[(4u * fftLen) - 1u];
+  q31_t *pIn1 = &pSrc[2], *pIn2 = &pSrc[(2u * fftLen) - 1u];
+
+  /* Init coefficient pointers */
+  pCoefA = &pATable[modifier * 2u];
+  pCoefB = &pBTable[modifier * 2u];
+
+  i = fftLen - 1u;
+
+  while(i > 0u)
+  {
+    /*    
+       outR = (pSrc[2 * i] * pATable[2 * i] - pSrc[2 * i + 1] * pATable[2 * i + 1]    
+       + pSrc[2 * n - 2 * i] * pBTable[2 * i] +    
+       pSrc[2 * n - 2 * i + 1] * pBTable[2 * i + 1]);    
+     */
+
+    /* outI = (pIn[2 * i + 1] * pATable[2 * i] + pIn[2 * i] * pATable[2 * i + 1] +    
+       pIn[2 * n - 2 * i] * pBTable[2 * i + 1] -    
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i]); */
+
+    CoefA1 = *pCoefA++;
+    CoefA2 = *pCoefA;
+
+    /* outR = (pSrc[2 * i] * pATable[2 * i] */
+    outR = ((int32_t) (((q63_t) * pIn1 * CoefA1) >> 32));
+
+    /* outI = pIn[2 * i] * pATable[2 * i + 1] */
+    outI = ((int32_t) (((q63_t) * pIn1++ * CoefA2) >> 32));
+
+    /* - pSrc[2 * i + 1] * pATable[2 * i + 1] */
+    outR =
+      (q31_t) ((((q63_t) outR << 32) + ((q63_t) * pIn1 * (-CoefA2))) >> 32);
+
+    /* (pIn[2 * i + 1] * pATable[2 * i] */
+    outI =
+      (q31_t) ((((q63_t) outI << 32) + ((q63_t) * pIn1++ * (CoefA1))) >> 32);
+
+    /* pSrc[2 * n - 2 * i] * pBTable[2 * i]  */
+    outR =
+      (q31_t) ((((q63_t) outR << 32) + ((q63_t) * pIn2 * (-CoefA2))) >> 32);
+    CoefB1 = *pCoefB;
+
+    /* pIn[2 * n - 2 * i] * pBTable[2 * i + 1] */
+    outI =
+      (q31_t) ((((q63_t) outI << 32) + ((q63_t) * pIn2-- * (-CoefB1))) >> 32);
+
+    /* pSrc[2 * n - 2 * i + 1] * pBTable[2 * i + 1] */
+    outR =
+      (q31_t) ((((q63_t) outR << 32) + ((q63_t) * pIn2 * (CoefB1))) >> 32);
+
+    /* pIn[2 * n - 2 * i + 1] * pBTable[2 * i] */
+    outI =
+      (q31_t) ((((q63_t) outI << 32) + ((q63_t) * pIn2-- * (-CoefA2))) >> 32);
+
+    /* write output */
+    *pOut1++ = (outR << 1u);
+    *pOut1++ = (outI << 1u);
+
+    /* write complex conjugate output */
+    *pOut2-- = -(outI << 1u);
+    *pOut2-- = (outR << 1u);
+
+    /* update coefficient pointer */
+    pCoefB = pCoefB + (modifier * 2u);
+    pCoefA = pCoefA + ((modifier * 2u) - 1u);
+
+    i--;
+
+  }
+
+  pDst[2u * fftLen] = pSrc[0] - pSrc[1];
+  pDst[(2u * fftLen) + 1u] = 0;
+
+  pDst[0] = pSrc[0] + pSrc[1];
+  pDst[1] = 0;
+
+}
+
+
+/**    
+ * @brief  Core Real IFFT process    
+ * @param[in]   *pSrc 				points to the input buffer.   
+ * @param[in]   fftLen  			length of FFT.    
+ * @param[in]   *pATable 			points to the twiddle Coef A buffer.   
+ * @param[in]   *pBTable 			points to the twiddle Coef B buffer.    
+ * @param[out]  *pDst 				points to the output buffer.   
+ * @param[in]   modifier 	        twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.   
+ * @return none.    
+ */
+
+void arm_split_rifft_q31(
+  q31_t * pSrc,
+  uint32_t fftLen,
+  q31_t * pATable,
+  q31_t * pBTable,
+  q31_t * pDst,
+  uint32_t modifier)
+{
+  q31_t outR, outI;                              /* Temporary variables for output */
+  q31_t *pCoefA, *pCoefB;                        /* Temporary pointers for twiddle factors */
+  q31_t CoefA1, CoefA2, CoefB1;                  /* Temporary variables for twiddle coefficients */
+  q31_t *pIn1 = &pSrc[0], *pIn2 = &pSrc[(2u * fftLen) + 1u];
+
+  pCoefA = &pATable[0];
+  pCoefB = &pBTable[0];
+
+  while(fftLen > 0u)
+  {
+    /*    
+       outR = (pIn[2 * i] * pATable[2 * i] + pIn[2 * i + 1] * pATable[2 * i + 1] +    
+       pIn[2 * n - 2 * i] * pBTable[2 * i] -    
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i + 1]);    
+
+       outI = (pIn[2 * i + 1] * pATable[2 * i] - pIn[2 * i] * pATable[2 * i + 1] -    
+       pIn[2 * n - 2 * i] * pBTable[2 * i + 1] -    
+       pIn[2 * n - 2 * i + 1] * pBTable[2 * i]);    
+
+     */
+    CoefA1 = *pCoefA++;
+    CoefA2 = *pCoefA;
+
+    /* outR = (pIn[2 * i] * pATable[2 * i] */
+    outR = ((int32_t) (((q63_t) * pIn1 * CoefA1) >> 32));
+
+    /* - pIn[2 * i] * pATable[2 * i + 1] */
+    outI = -((int32_t) (((q63_t) * pIn1++ * CoefA2) >> 32));
+
+    /* pIn[2 * i + 1] * pATable[2 * i + 1] */
+    outR =
+      (q31_t) ((((q63_t) outR << 32) + ((q63_t) * pIn1 * (CoefA2))) >> 32);
+
+    /* pIn[2 * i + 1] * pATable[2 * i] */
+    outI =
+      (q31_t) ((((q63_t) outI << 32) + ((q63_t) * pIn1++ * (CoefA1))) >> 32);
+
+    /* pIn[2 * n - 2 * i] * pBTable[2 * i] */
+    outR =
+      (q31_t) ((((q63_t) outR << 32) + ((q63_t) * pIn2 * (CoefA2))) >> 32);
+
+    CoefB1 = *pCoefB;
+
+    /* pIn[2 * n - 2 * i] * pBTable[2 * i + 1] */
+    outI =
+      (q31_t) ((((q63_t) outI << 32) - ((q63_t) * pIn2-- * (CoefB1))) >> 32);
+
+    /* pIn[2 * n - 2 * i + 1] * pBTable[2 * i + 1] */
+    outR =
+      (q31_t) ((((q63_t) outR << 32) + ((q63_t) * pIn2 * (CoefB1))) >> 32);
+
+    /* pIn[2 * n - 2 * i + 1] * pBTable[2 * i] */
+    outI =
+      (q31_t) ((((q63_t) outI << 32) + ((q63_t) * pIn2-- * (CoefA2))) >> 32);
+
+    /* write output */
+    *pDst++ = (outR << 1u);
+    *pDst++ = (outI << 1u);
+
+    /* update coefficient pointer */
+    pCoefB = pCoefB + (modifier * 2u);
+    pCoefA = pCoefA + ((modifier * 2u) - 1u);
+
+    /* Decrement loop count */
+    fftLen--;
+
+  }
+
+
+}
diff --git a/libraries/dsp/cmsis_dsp/arm_common_tables.h b/libraries/dsp/cmsis_dsp/arm_common_tables.h
new file mode 100644
index 0000000000..8c35ef2bd5
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/arm_common_tables.h
@@ -0,0 +1,38 @@
+/* ---------------------------------------------------------------------- 
+* Copyright (C) 2010 ARM Limited. All rights reserved. 
+* 
+* $Date:        11. November 2010  
+* $Revision: 	V1.0.2  
+* 
+* Project: 	    CMSIS DSP Library 
+* Title:	    arm_common_tables.h 
+* 
+* Description:	This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions 
+* 
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.0.2 2010/11/11 
+*    Documentation updated.  
+* 
+* Version 1.0.1 2010/10/05  
+*    Production release and review comments incorporated. 
+* 
+* Version 1.0.0 2010/09/20  
+*    Production release and review comments incorporated. 
+* -------------------------------------------------------------------- */
+
+#ifndef _ARM_COMMON_TABLES_H
+#define _ARM_COMMON_TABLES_H
+
+#include "arm_math.h"
+
+extern const uint16_t armBitRevTable[1024];
+extern const q15_t armRecipTableQ15[64];
+extern const q31_t armRecipTableQ31[64];
+extern const q31_t realCoefAQ31[1024];
+extern const q31_t realCoefBQ31[1024];
+extern const float32_t twiddleCoef[6144];
+extern const q31_t twiddleCoefQ31[6144];
+extern const q15_t twiddleCoefQ15[6144];
+
+#endif /*  ARM_COMMON_TABLES_H */
diff --git a/libraries/dsp/cmsis_dsp/arm_math.h b/libraries/dsp/cmsis_dsp/arm_math.h
new file mode 100644
index 0000000000..a514ed6afe
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/arm_math.h
@@ -0,0 +1,7565 @@
+/* ----------------------------------------------------------------------   
+ * Copyright (C) 2010-2011 ARM Limited. All rights reserved.   
+ *   
+ * $Date:        15. February 2012  
+ * $Revision: 	V1.1.0  
+ *   
+ * Project: 	    CMSIS DSP Library   
+ * Title:	     	arm_math.h
+ *   
+ * Description:	 Public header file for CMSIS DSP Library
+ *   
+ * Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
+ *  
+ * Version 1.1.0 2012/02/15 
+ *    Updated with more optimizations, bug fixes and minor API changes.  
+ *  
+ * Version 1.0.10 2011/7/15 
+ *    Big Endian support added and Merged M0 and M3/M4 Source code.  
+ *   
+ * Version 1.0.3 2010/11/29  
+ *    Re-organized the CMSIS folders and updated documentation.   
+ *    
+ * Version 1.0.2 2010/11/11   
+ *    Documentation updated.    
+ *   
+ * Version 1.0.1 2010/10/05    
+ *    Production release and review comments incorporated.   
+ *   
+ * Version 1.0.0 2010/09/20    
+ *    Production release and review comments incorporated.   
+ * -------------------------------------------------------------------- */
+
+/**
+   \mainpage CMSIS DSP Software Library
+   *
+   * Introduction
+   *
+   * This user manual describes the CMSIS DSP software library, 
+   * a suite of common signal processing functions for use on Cortex-M processor based devices.
+   *
+   * The library is divided into a number of functions each covering a specific category:  
+   * - Basic math functions
+   * - Fast math functions
+   * - Complex math functions
+   * - Filters
+   * - Matrix functions
+   * - Transforms
+   * - Motor control functions
+   * - Statistical functions
+   * - Support functions
+   * - Interpolation functions
+   *
+   * The library has separate functions for operating on 8-bit integers, 16-bit integers,
+   * 32-bit integer and 32-bit floating-point values. 
+   *
+   * Pre-processor Macros 
+   * 
+   * Each library project have differant pre-processor macros. 
+   * 
+   * - UNALIGNED_SUPPORT_DISABLE: 
+   * 
+   * Define macro UNALIGNED_SUPPORT_DISABLE, If the silicon does not support unaligned memory access    
+   * 
+   * - ARM_MATH_BIG_ENDIAN: 
+   * 
+   * Define macro ARM_MATH_BIG_ENDIAN to build the library for big endian targets. By default library builds for little endian targets. 
+   * 
+   * - ARM_MATH_MATRIX_CHECK: 
+   * 
+   * Define macro ARM_MATH_MATRIX_CHECK for checking on the input and output sizes of matrices 
+   * 
+   * - ARM_MATH_ROUNDING: 
+   * 
+   * Define macro ARM_MATH_ROUNDING for rounding on support functions
+   *
+   * - ARM_MATH_CMx:
+   *
+   * Define macro ARM_MATH_CM4 for building the library on Cortex-M4 target, ARM_MATH_CM3 for building library on Cortex-M3 target
+   * and ARM_MATH_CM0 for building library on cortex-M0 target.
+   * 
+   * - __FPU_PRESENT:
+   *
+   * Initialize macro __FPU_PRESENT = 1 when building on FPU supported Targets. Enable this macro for M4bf and M4lf libraries 
+   *
+   * Toolchain Support
+   *
+   * The library has been developed and tested with MDK-ARM version 4.23. 
+   * The library is being tested in GCC and IAR toolchains and updates on this activity will be made available shortly.
+   *
+   * Using the Library
+   *
+   * The library installer contains prebuilt versions of the libraries in the Lib folder.
+   * - arm_cortexM4lf_math.lib (Little endian and Floating Point Unit on Cortex-M4)
+   * - arm_cortexM4bf_math.lib (Big endian and Floating Point Unit on Cortex-M4)
+   * - arm_cortexM4l_math.lib (Little endian on Cortex-M4)
+   * - arm_cortexM4b_math.lib (Big endian on Cortex-M4)
+   * - arm_cortexM3l_math.lib (Little endian on Cortex-M3)
+   * - arm_cortexM3b_math.lib (Big endian on Cortex-M3)
+   * - arm_cortexM0l_math.lib (Little endian on Cortex-M0)
+   * - arm_cortexM0b_math.lib (Big endian on Cortex-M3)
+   *
+   * The library functions are declared in the public file arm_math.h which is placed in the Include folder.
+   * Simply include this file and link the appropriate library in the application and begin calling the library functions. The Library supports single 
+   * public header file  arm_math.h for Cortex-M4/M3/M0 with little endian and big endian. Same header file will be used for floating point unit(FPU) variants. 
+   * Define the appropriate pre processor MACRO ARM_MATH_CM4 or  ARM_MATH_CM3 or 
+   * ARM_MATH_CM0 depending on the target processor in the application.
+   *
+   * Examples
+   *
+   * The library ships with a number of examples which demonstrate how to use the library functions.
+   *
+   * Building the Library
+   *
+   * The library installer contains project files to re build libraries on MDK Tool chain in the CMSIS\\DSP_Lib\\Source\\ARM folder.
+   * - arm_cortexM0b_math.uvproj
+   * - arm_cortexM0l_math.uvproj
+   * - arm_cortexM3b_math.uvproj
+   * - arm_cortexM3l_math.uvproj  
+   * - arm_cortexM4b_math.uvproj
+   * - arm_cortexM4l_math.uvproj
+   * - arm_cortexM4bf_math.uvproj
+   * - arm_cortexM4lf_math.uvproj
+   *
+   *
+   * The project can be built by opening the appropriate project in MDK-ARM 4.23 chain and defining the optional pre processor MACROs detailed above.
+   *
+   * Copyright Notice
+   *
+   * Copyright (C) 2010 ARM Limited. All rights reserved.
+   */
+
+
+/**
+ * @defgroup groupMath Basic Math Functions
+ */
+
+/**
+ * @defgroup groupFastMath Fast Math Functions
+ * This set of functions provides a fast approximation to sine, cosine, and square root.
+ * As compared to most of the other functions in the CMSIS math library, the fast math functions
+ * operate on individual values and not arrays.
+ * There are separate functions for Q15, Q31, and floating-point data.
+ *
+ */
+
+/**
+ * @defgroup groupCmplxMath Complex Math Functions
+ * This set of functions operates on complex data vectors.
+ * The data in the complex arrays is stored in an interleaved fashion
+ * (real, imag, real, imag, ...).
+ * In the API functions, the number of samples in a complex array refers
+ * to the number of complex values; the array contains twice this number of
+ * real values.
+ */
+
+/**
+ * @defgroup groupFilters Filtering Functions
+ */
+
+/**
+ * @defgroup groupMatrix Matrix Functions
+ *
+ * This set of functions provides basic matrix math operations.
+ * The functions operate on matrix data structures.  For example,
+ * the type
+ * definition for the floating-point matrix structure is shown
+ * below:
+ * 
+ *     typedef struct
+ *     {
+ *       uint16_t numRows;     // number of rows of the matrix.
+ *       uint16_t numCols;     // number of columns of the matrix.
+ *       float32_t *pData;     // points to the data of the matrix.
+ *     } arm_matrix_instance_f32;
+ * 

+ * There are similar definitions for Q15 and Q31 data types.
+ *
+ * The structure specifies the size of the matrix and then points to
+ * an array of data.  The array is of size numRows X numCols
+ * and the values are arranged in row order.  That is, the
+ * matrix element (i, j) is stored at:
+ * 
+ *     pData[i*numCols + j]
+ * 

+ *
+ * \par Init Functions
+ * There is an associated initialization function for each type of matrix
+ * data structure.
+ * The initialization function sets the values of the internal structure fields.
+ * Refer to the function arm_mat_init_f32(), arm_mat_init_q31()
+ * and arm_mat_init_q15() for floating-point, Q31 and Q15 types,  respectively.
+ *
+ * \par
+ * Use of the initialization function is optional. However, if initialization function is used
+ * then the instance structure cannot be placed into a const data section.
+ * To place the instance structure in a const data
+ * section, manually initialize the data structure.  For example:
+ * 
+ * arm_matrix_instance_f32 S = {nRows, nColumns, pData};
+ * arm_matrix_instance_q31 S = {nRows, nColumns, pData};
+ * arm_matrix_instance_q15 S = {nRows, nColumns, pData};
+ * 

+ * where nRows specifies the number of rows, nColumns
+ * specifies the number of columns, and pData points to the
+ * data array.
+ *
+ * \par Size Checking
+ * By default all of the matrix functions perform size checking on the input and
+ * output matrices.  For example, the matrix addition function verifies that the
+ * two input matrices and the output matrix all have the same number of rows and
+ * columns.  If the size check fails the functions return:
+ * 
+ *     ARM_MATH_SIZE_MISMATCH
+ * 

+ * Otherwise the functions return
+ * 
+ *     ARM_MATH_SUCCESS
+ * 

+ * There is some overhead associated with this matrix size checking.
+ * The matrix size checking is enabled via the \#define
+ * 
+ *     ARM_MATH_MATRIX_CHECK
+ * 

+ * within the library project settings.  By default this macro is defined
+ * and size checking is enabled.  By changing the project settings and
+ * undefining this macro size checking is eliminated and the functions
+ * run a bit faster.  With size checking disabled the functions always
+ * return ARM_MATH_SUCCESS.
+ */
+
+/**
+ * @defgroup groupTransforms Transform Functions
+ */
+
+/**
+ * @defgroup groupController Controller Functions
+ */
+
+/**
+ * @defgroup groupStats Statistics Functions
+ */
+/**
+ * @defgroup groupSupport Support Functions
+ */
+
+/**
+ * @defgroup groupInterpolation Interpolation Functions
+ * These functions perform 1- and 2-dimensional interpolation of data.
+ * Linear interpolation is used for 1-dimensional data and
+ * bilinear interpolation is used for 2-dimensional data.
+ */
+
+/**
+ * @defgroup groupExamples Examples
+ */
+#ifndef _ARM_MATH_H
+#define _ARM_MATH_H
+
+#define __CMSIS_GENERIC         /* disable NVIC and Systick functions */
+
+#if defined (TARGET_LPC1768)
+#   define ARM_MATH_CM3    1
+
+#elif defined (TARGET_LPC11U24)
+#   define ARM_MATH_CM0    1
+#endif
+
+
+#if defined (ARM_MATH_CM4)
+#include "core_cm4.h"
+#elif defined (ARM_MATH_CM3)
+#include "core_cm3.h"
+#elif defined (ARM_MATH_CM0)
+#include "core_cm0.h"
+#else
+#include "ARMCM4.h"
+#warning "Define either ARM_MATH_CM4 OR ARM_MATH_CM3...By Default building on ARM_MATH_CM4....."
+#endif
+
+#undef  __CMSIS_GENERIC         /* enable NVIC and Systick functions */
+#include "string.h"
+#include "math.h"
+#ifdef	__cplusplus
+extern "C"
+{
+#endif
+
+
+  /**
+   * @brief Macros required for reciprocal calculation in Normalized LMS
+   */
+
+#define DELTA_Q31 			(0x100)
+#define DELTA_Q15 			0x5
+#define INDEX_MASK 			0x0000003F
+#ifndef PI
+#define PI					3.14159265358979f
+#endif
+
+  /**
+   * @brief Macros required for SINE and COSINE Fast math approximations
+   */
+
+#define TABLE_SIZE			256
+#define TABLE_SPACING_Q31	0x800000
+#define TABLE_SPACING_Q15	0x80
+
+  /**
+   * @brief Macros required for SINE and COSINE Controller functions
+   */
+  /* 1.31(q31) Fixed value of 2/360 */
+  /* -1 to +1 is divided into 360 values so total spacing is (2/360) */
+#define INPUT_SPACING			0xB60B61
+
+  /**
+   * @brief Macro for Unaligned Support
+   */
+#ifndef UNALIGNED_SUPPORT_DISABLE
+    #define ALIGN4
+#else
+  #if defined  (__GNUC__)
+    #define ALIGN4 __attribute__((aligned(4)))
+  #else
+    #define ALIGN4 __align(4)
+  #endif
+#endif	/*	#ifndef UNALIGNED_SUPPORT_DISABLE	*/
+
+  /**
+   * @brief Error status returned by some functions in the library.
+   */
+
+  typedef enum
+  {
+    ARM_MATH_SUCCESS = 0,                /**< No error */
+    ARM_MATH_ARGUMENT_ERROR = -1,        /**< One or more arguments are incorrect */
+    ARM_MATH_LENGTH_ERROR = -2,          /**< Length of data buffer is incorrect */
+    ARM_MATH_SIZE_MISMATCH = -3,         /**< Size of matrices is not compatible with the operation. */
+    ARM_MATH_NANINF = -4,                /**< Not-a-number (NaN) or infinity is generated */
+    ARM_MATH_SINGULAR = -5,              /**< Generated by matrix inversion if the input matrix is singular and cannot be inverted. */
+    ARM_MATH_TEST_FAILURE = -6           /**< Test Failed  */
+  } arm_status;
+
+  /**
+   * @brief 8-bit fractional data type in 1.7 format.
+   */
+  typedef int8_t q7_t;
+
+  /**
+   * @brief 16-bit fractional data type in 1.15 format.
+   */
+  typedef int16_t q15_t;
+
+  /**
+   * @brief 32-bit fractional data type in 1.31 format.
+   */
+  typedef int32_t q31_t;
+
+  /**
+   * @brief 64-bit fractional data type in 1.63 format.
+   */
+  typedef int64_t q63_t;
+
+  /**
+   * @brief 32-bit floating-point type definition.
+   */
+  typedef float float32_t;
+
+  /**
+   * @brief 64-bit floating-point type definition.
+   */
+  typedef double float64_t;
+
+  /**
+   * @brief definition to read/write two 16 bit values.
+   */
+#if defined  (__GNUC__)
+  #define __SIMD32(addr)         (*( int32_t **) & (addr))
+  #define  _SIMD32_OFFSET(addr)  (*( int32_t * )   (addr))
+#else
+  #define __SIMD32(addr)         (*(__packed                    int32_t **) & (addr))
+  #define  _SIMD32_OFFSET(addr)  (*(__packed                    int32_t * )   (addr))
+#endif 
+
+  #define __SIMD64(addr)  (*(int64_t **) & (addr))
+
+#if defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0)
+  /**
+   * @brief definition to pack two 16 bit values.
+   */
+#define __PKHBT(ARG1, ARG2, ARG3)      ( (((int32_t)(ARG1) <<  0) & (int32_t)0x0000FFFF) | \
+                                         (((int32_t)(ARG2) << ARG3) & (int32_t)0xFFFF0000)  )
+#define __PKHTB(ARG1, ARG2, ARG3)      ( (((int32_t)(ARG1) <<  0) & (int32_t)0xFFFF0000) | \
+                                         (((int32_t)(ARG2) >> ARG3) & (int32_t)0x0000FFFF)  )
+
+#endif
+
+
+   /**
+   * @brief definition to pack four 8 bit values.
+   */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+#define __PACKq7(v0,v1,v2,v3) ( (((int32_t)(v0) <<  0) & (int32_t)0x000000FF) |	\
+                                (((int32_t)(v1) <<  8) & (int32_t)0x0000FF00) |	\
+							    (((int32_t)(v2) << 16) & (int32_t)0x00FF0000) |	\
+							    (((int32_t)(v3) << 24) & (int32_t)0xFF000000)  )
+#else
+
+#define __PACKq7(v0,v1,v2,v3) ( (((int32_t)(v3) <<  0) & (int32_t)0x000000FF) |	\
+                                (((int32_t)(v2) <<  8) & (int32_t)0x0000FF00) |	\
+							    (((int32_t)(v1) << 16) & (int32_t)0x00FF0000) |	\
+							    (((int32_t)(v0) << 24) & (int32_t)0xFF000000)  )
+
+#endif
+
+
+  /**
+   * @brief Clips Q63 to Q31 values.
+   */
+  __STATIC_INLINE q31_t clip_q63_to_q31(
+  q63_t x)
+  {
+    return ((q31_t) (x >> 32) != ((q31_t) x >> 31)) ?
+      ((0x7FFFFFFF ^ ((q31_t) (x >> 63)))) : (q31_t) x;
+  }
+
+  /**
+   * @brief Clips Q63 to Q15 values.
+   */
+  __STATIC_INLINE q15_t clip_q63_to_q15(
+  q63_t x)
+  {
+    return ((q31_t) (x >> 32) != ((q31_t) x >> 31)) ?
+      ((0x7FFF ^ ((q15_t) (x >> 63)))) : (q15_t) (x >> 15);
+  }
+
+  /**
+   * @brief Clips Q31 to Q7 values.
+   */
+  __STATIC_INLINE q7_t clip_q31_to_q7(
+  q31_t x)
+  {
+    return ((q31_t) (x >> 24) != ((q31_t) x >> 23)) ?
+      ((0x7F ^ ((q7_t) (x >> 31)))) : (q7_t) x;
+  }
+
+  /**
+   * @brief Clips Q31 to Q15 values.
+   */
+  __STATIC_INLINE q15_t clip_q31_to_q15(
+  q31_t x)
+  {
+    return ((q31_t) (x >> 16) != ((q31_t) x >> 15)) ?
+      ((0x7FFF ^ ((q15_t) (x >> 31)))) : (q15_t) x;
+  }
+
+  /**
+   * @brief Multiplies 32 X 64 and returns 32 bit result in 2.30 format.
+   */
+
+  __STATIC_INLINE q63_t mult32x64(
+  q63_t x,
+  q31_t y)
+  {
+    return ((((q63_t) (x & 0x00000000FFFFFFFF) * y) >> 32) +
+            (((q63_t) (x >> 32) * y)));
+  }
+
+
+#if defined (ARM_MATH_CM0) && defined ( __CC_ARM   )
+#define __CLZ __clz
+#endif
+
+#if defined (ARM_MATH_CM0) && defined ( __TASKING__ )
+/* No need to redefine __CLZ */
+#endif
+
+#if defined (ARM_MATH_CM0) && ((defined (__ICCARM__)) ||(defined (__GNUC__)) )
+
+  __STATIC_INLINE  uint32_t __CLZ(q31_t data);
+
+
+  __STATIC_INLINE uint32_t __CLZ(q31_t data)
+  {
+    uint32_t count = 0;
+    uint32_t mask = 0x80000000;
+
+    while((data & mask) == 0)
+    {
+      count += 1u;
+      mask = mask >> 1u;
+    }
+
+    return (count);
+
+  }
+
+#endif
+
+  /**
+   * @brief Function to Calculates 1/in(reciprocal) value of Q31 Data type.
+   */
+
+  __STATIC_INLINE uint32_t arm_recip_q31(
+  q31_t in,
+  q31_t * dst,
+  q31_t * pRecipTable)
+  {
+
+    uint32_t out, tempVal;
+    uint32_t index, i;
+    uint32_t signBits;
+
+    if(in > 0)
+    {
+      signBits = __CLZ(in) - 1;
+    }
+    else
+    {
+      signBits = __CLZ(-in) - 1;
+    }
+
+    /* Convert input sample to 1.31 format */
+    in = in << signBits;
+
+    /* calculation of index for initial approximated Val */
+    index = (uint32_t) (in >> 24u);
+    index = (index & INDEX_MASK);
+
+    /* 1.31 with exp 1 */
+    out = pRecipTable[index];
+
+    /* calculation of reciprocal value */
+    /* running approximation for two iterations */
+    for (i = 0u; i < 2u; i++)
+    {
+      tempVal = (q31_t) (((q63_t) in * out) >> 31u);
+      tempVal = 0x7FFFFFFF - tempVal;
+      /*      1.31 with exp 1 */
+      //out = (q31_t) (((q63_t) out * tempVal) >> 30u);
+      out = (q31_t) clip_q63_to_q31(((q63_t) out * tempVal) >> 30u);
+    }
+
+    /* write output */
+    *dst = out;
+
+    /* return num of signbits of out = 1/in value */
+    return (signBits + 1u);
+
+  }
+
+  /**
+   * @brief Function to Calculates 1/in(reciprocal) value of Q15 Data type.
+   */
+  __STATIC_INLINE uint32_t arm_recip_q15(
+  q15_t in,
+  q15_t * dst,
+  q15_t * pRecipTable)
+  {
+
+    uint32_t out = 0, tempVal = 0;
+    uint32_t index = 0, i = 0;
+    uint32_t signBits = 0;
+
+    if(in > 0)
+    {
+      signBits = __CLZ(in) - 17;
+    }
+    else
+    {
+      signBits = __CLZ(-in) - 17;
+    }
+
+    /* Convert input sample to 1.15 format */
+    in = in << signBits;
+
+    /* calculation of index for initial approximated Val */
+    index = in >> 8;
+    index = (index & INDEX_MASK);
+
+    /*      1.15 with exp 1  */
+    out = pRecipTable[index];
+
+    /* calculation of reciprocal value */
+    /* running approximation for two iterations */
+    for (i = 0; i < 2; i++)
+    {
+      tempVal = (q15_t) (((q31_t) in * out) >> 15);
+      tempVal = 0x7FFF - tempVal;
+      /*      1.15 with exp 1 */
+      out = (q15_t) (((q31_t) out * tempVal) >> 14);
+    }
+
+    /* write output */
+    *dst = out;
+
+    /* return num of signbits of out = 1/in value */
+    return (signBits + 1);
+
+  }
+
+
+  /*
+   * @brief C custom defined intrinisic function for only M0 processors
+   */
+#if defined(ARM_MATH_CM0)
+
+  __STATIC_INLINE q31_t __SSAT(
+  q31_t x,
+  uint32_t y)
+  {
+    int32_t posMax, negMin;
+    uint32_t i;
+
+    posMax = 1;
+    for (i = 0; i < (y - 1); i++)
+    {
+      posMax = posMax * 2;
+    }
+
+    if(x > 0)
+    {
+      posMax = (posMax - 1);
+
+      if(x > posMax)
+      {
+        x = posMax;
+      }
+    }
+    else
+    {
+      negMin = -posMax;
+
+      if(x < negMin)
+      {
+        x = negMin;
+      }
+    }
+    return (x);
+
+
+  }
+
+#endif /* end of ARM_MATH_CM0 */
+
+
+
+  /*
+   * @brief C custom defined intrinsic function for M3 and M0 processors
+   */
+#if defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0)
+
+  /*
+   * @brief C custom defined QADD8 for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __QADD8(
+  q31_t x,
+  q31_t y)
+  {
+
+    q31_t sum;
+    q7_t r, s, t, u;
+
+    r = (q7_t) x;
+    s = (q7_t) y;
+
+    r = __SSAT((q31_t) (r + s), 8);
+    s = __SSAT(((q31_t) (((x << 16) >> 24) + ((y << 16) >> 24))), 8);
+    t = __SSAT(((q31_t) (((x << 8) >> 24) + ((y << 8) >> 24))), 8);
+    u = __SSAT(((q31_t) ((x >> 24) + (y >> 24))), 8);
+
+    sum =
+      (((q31_t) u << 24) & 0xFF000000) | (((q31_t) t << 16) & 0x00FF0000) |
+      (((q31_t) s << 8) & 0x0000FF00) | (r & 0x000000FF);
+
+    return sum;
+
+  }
+
+  /*
+   * @brief C custom defined QSUB8 for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __QSUB8(
+  q31_t x,
+  q31_t y)
+  {
+
+    q31_t sum;
+    q31_t r, s, t, u;
+
+    r = (q7_t) x;
+    s = (q7_t) y;
+
+    r = __SSAT((r - s), 8);
+    s = __SSAT(((q31_t) (((x << 16) >> 24) - ((y << 16) >> 24))), 8) << 8;
+    t = __SSAT(((q31_t) (((x << 8) >> 24) - ((y << 8) >> 24))), 8) << 16;
+    u = __SSAT(((q31_t) ((x >> 24) - (y >> 24))), 8) << 24;
+
+    sum =
+      (u & 0xFF000000) | (t & 0x00FF0000) | (s & 0x0000FF00) | (r &
+                                                                0x000000FF);
+
+    return sum;
+  }
+
+  /*
+   * @brief C custom defined QADD16 for M3 and M0 processors
+   */
+
+  /*
+   * @brief C custom defined QADD16 for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __QADD16(
+  q31_t x,
+  q31_t y)
+  {
+
+    q31_t sum;
+    q31_t r, s;
+
+    r = (short) x;
+    s = (short) y;
+
+    r = __SSAT(r + s, 16);
+    s = __SSAT(((q31_t) ((x >> 16) + (y >> 16))), 16) << 16;
+
+    sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+    return sum;
+
+  }
+
+  /*
+   * @brief C custom defined SHADD16 for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __SHADD16(
+  q31_t x,
+  q31_t y)
+  {
+
+    q31_t sum;
+    q31_t r, s;
+
+    r = (short) x;
+    s = (short) y;
+
+    r = ((r >> 1) + (s >> 1));
+    s = ((q31_t) ((x >> 17) + (y >> 17))) << 16;
+
+    sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+    return sum;
+
+  }
+
+  /*
+   * @brief C custom defined QSUB16 for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __QSUB16(
+  q31_t x,
+  q31_t y)
+  {
+
+    q31_t sum;
+    q31_t r, s;
+
+    r = (short) x;
+    s = (short) y;
+
+    r = __SSAT(r - s, 16);
+    s = __SSAT(((q31_t) ((x >> 16) - (y >> 16))), 16) << 16;
+
+    sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+    return sum;
+  }
+
+  /*
+   * @brief C custom defined SHSUB16 for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __SHSUB16(
+  q31_t x,
+  q31_t y)
+  {
+
+    q31_t diff;
+    q31_t r, s;
+
+    r = (short) x;
+    s = (short) y;
+
+    r = ((r >> 1) - (s >> 1));
+    s = (((x >> 17) - (y >> 17)) << 16);
+
+    diff = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+    return diff;
+  }
+
+  /*
+   * @brief C custom defined QASX for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __QASX(
+  q31_t x,
+  q31_t y)
+  {
+
+    q31_t sum = 0;
+
+    sum =
+      ((sum +
+        clip_q31_to_q15((q31_t) ((short) (x >> 16) + (short) y))) << 16) +
+      clip_q31_to_q15((q31_t) ((short) x - (short) (y >> 16)));
+
+    return sum;
+  }
+
+  /*
+   * @brief C custom defined SHASX for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __SHASX(
+  q31_t x,
+  q31_t y)
+  {
+
+    q31_t sum;
+    q31_t r, s;
+
+    r = (short) x;
+    s = (short) y;
+
+    r = ((r >> 1) - (y >> 17));
+    s = (((x >> 17) + (s >> 1)) << 16);
+
+    sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+    return sum;
+  }
+
+
+  /*
+   * @brief C custom defined QSAX for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __QSAX(
+  q31_t x,
+  q31_t y)
+  {
+
+    q31_t sum = 0;
+
+    sum =
+      ((sum +
+        clip_q31_to_q15((q31_t) ((short) (x >> 16) - (short) y))) << 16) +
+      clip_q31_to_q15((q31_t) ((short) x + (short) (y >> 16)));
+
+    return sum;
+  }
+
+  /*
+   * @brief C custom defined SHSAX for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __SHSAX(
+  q31_t x,
+  q31_t y)
+  {
+
+    q31_t sum;
+    q31_t r, s;
+
+    r = (short) x;
+    s = (short) y;
+
+    r = ((r >> 1) + (y >> 17));
+    s = (((x >> 17) - (s >> 1)) << 16);
+
+    sum = (s & 0xFFFF0000) | (r & 0x0000FFFF);
+
+    return sum;
+  }
+
+  /*
+   * @brief C custom defined SMUSDX for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __SMUSDX(
+  q31_t x,
+  q31_t y)
+  {
+
+    return ((q31_t) (((short) x * (short) (y >> 16)) -
+                     ((short) (x >> 16) * (short) y)));
+  }
+
+  /*
+   * @brief C custom defined SMUADX for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __SMUADX(
+  q31_t x,
+  q31_t y)
+  {
+
+    return ((q31_t) (((short) x * (short) (y >> 16)) +
+                     ((short) (x >> 16) * (short) y)));
+  }
+
+  /*
+   * @brief C custom defined QADD for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __QADD(
+  q31_t x,
+  q31_t y)
+  {
+    return clip_q63_to_q31((q63_t) x + y);
+  }
+
+  /*
+   * @brief C custom defined QSUB for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __QSUB(
+  q31_t x,
+  q31_t y)
+  {
+    return clip_q63_to_q31((q63_t) x - y);
+  }
+
+  /*
+   * @brief C custom defined SMLAD for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __SMLAD(
+  q31_t x,
+  q31_t y,
+  q31_t sum)
+  {
+
+    return (sum + ((short) (x >> 16) * (short) (y >> 16)) +
+            ((short) x * (short) y));
+  }
+
+  /*
+   * @brief C custom defined SMLADX for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __SMLADX(
+  q31_t x,
+  q31_t y,
+  q31_t sum)
+  {
+
+    return (sum + ((short) (x >> 16) * (short) (y)) +
+            ((short) x * (short) (y >> 16)));
+  }
+
+  /*
+   * @brief C custom defined SMLSDX for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __SMLSDX(
+  q31_t x,
+  q31_t y,
+  q31_t sum)
+  {
+
+    return (sum - ((short) (x >> 16) * (short) (y)) +
+            ((short) x * (short) (y >> 16)));
+  }
+
+  /*
+   * @brief C custom defined SMLALD for M3 and M0 processors
+   */
+  __STATIC_INLINE q63_t __SMLALD(
+  q31_t x,
+  q31_t y,
+  q63_t sum)
+  {
+
+    return (sum + ((short) (x >> 16) * (short) (y >> 16)) +
+            ((short) x * (short) y));
+  }
+
+  /*
+   * @brief C custom defined SMLALDX for M3 and M0 processors
+   */
+  __STATIC_INLINE q63_t __SMLALDX(
+  q31_t x,
+  q31_t y,
+  q63_t sum)
+  {
+
+    return (sum + ((short) (x >> 16) * (short) y)) +
+      ((short) x * (short) (y >> 16));
+  }
+
+  /*
+   * @brief C custom defined SMUAD for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __SMUAD(
+  q31_t x,
+  q31_t y)
+  {
+
+    return (((x >> 16) * (y >> 16)) +
+            (((x << 16) >> 16) * ((y << 16) >> 16)));
+  }
+
+  /*
+   * @brief C custom defined SMUSD for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __SMUSD(
+  q31_t x,
+  q31_t y)
+  {
+
+    return (-((x >> 16) * (y >> 16)) +
+            (((x << 16) >> 16) * ((y << 16) >> 16)));
+  }
+
+
+  /*
+   * @brief C custom defined SXTB16 for M3 and M0 processors
+   */
+  __STATIC_INLINE q31_t __SXTB16(
+  q31_t x)
+  {
+
+    return ((((x << 24) >> 24) & 0x0000FFFF) |
+            (((x << 8) >> 8) & 0xFFFF0000));
+  }
+
+
+#endif /* defined (ARM_MATH_CM3) || defined (ARM_MATH_CM0) */
+
+
+  /**
+   * @brief Instance structure for the Q7 FIR filter.
+   */
+  typedef struct
+  {
+    uint16_t numTaps;        /**< number of filter coefficients in the filter. */
+    q7_t *pState;            /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+    q7_t *pCoeffs;           /**< points to the coefficient array. The array is of length numTaps.*/
+  } arm_fir_instance_q7;
+
+  /**
+   * @brief Instance structure for the Q15 FIR filter.
+   */
+  typedef struct
+  {
+    uint16_t numTaps;         /**< number of filter coefficients in the filter. */
+    q15_t *pState;            /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+    q15_t *pCoeffs;           /**< points to the coefficient array. The array is of length numTaps.*/
+  } arm_fir_instance_q15;
+
+  /**
+   * @brief Instance structure for the Q31 FIR filter.
+   */
+  typedef struct
+  {
+    uint16_t numTaps;         /**< number of filter coefficients in the filter. */
+    q31_t *pState;            /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+    q31_t *pCoeffs;           /**< points to the coefficient array. The array is of length numTaps. */
+  } arm_fir_instance_q31;
+
+  /**
+   * @brief Instance structure for the floating-point FIR filter.
+   */
+  typedef struct
+  {
+    uint16_t numTaps;     /**< number of filter coefficients in the filter. */
+    float32_t *pState;    /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+    float32_t *pCoeffs;   /**< points to the coefficient array. The array is of length numTaps. */
+  } arm_fir_instance_f32;
+
+
+  /**
+   * @brief Processing function for the Q7 FIR filter.
+   * @param[in] *S points to an instance of the Q7 FIR filter structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+  void arm_fir_q7(
+  const arm_fir_instance_q7 * S,
+  q7_t * pSrc,
+  q7_t * pDst,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief  Initialization function for the Q7 FIR filter.
+   * @param[in,out] *S points to an instance of the Q7 FIR structure.
+   * @param[in] numTaps  Number of filter coefficients in the filter.
+   * @param[in] *pCoeffs points to the filter coefficients.
+   * @param[in] *pState points to the state buffer.
+   * @param[in] blockSize number of samples that are processed.
+   * @return none
+   */
+  void arm_fir_init_q7(
+  arm_fir_instance_q7 * S,
+  uint16_t numTaps,
+  q7_t * pCoeffs,
+  q7_t * pState,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief Processing function for the Q15 FIR filter.
+   * @param[in] *S points to an instance of the Q15 FIR structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+  void arm_fir_q15(
+  const arm_fir_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Processing function for the fast Q15 FIR filter for Cortex-M3 and Cortex-M4.
+   * @param[in] *S points to an instance of the Q15 FIR filter structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+  void arm_fir_fast_q15(
+  const arm_fir_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Initialization function for the Q15 FIR filter.
+   * @param[in,out] *S points to an instance of the Q15 FIR filter structure.
+   * @param[in] numTaps  Number of filter coefficients in the filter. Must be even and greater than or equal to 4.
+   * @param[in] *pCoeffs points to the filter coefficients.
+   * @param[in] *pState points to the state buffer.
+   * @param[in] blockSize number of samples that are processed at a time.
+   * @return The function returns ARM_MATH_SUCCESS if initialization was successful or ARM_MATH_ARGUMENT_ERROR if
+   * numTaps is not a supported value.
+   */
+
+  arm_status arm_fir_init_q15(
+  arm_fir_instance_q15 * S,
+  uint16_t numTaps,
+  q15_t * pCoeffs,
+  q15_t * pState,
+  uint32_t blockSize);
+
+  /**
+   * @brief Processing function for the Q31 FIR filter.
+   * @param[in] *S points to an instance of the Q31 FIR filter structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+  void arm_fir_q31(
+  const arm_fir_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Processing function for the fast Q31 FIR filter for Cortex-M3 and Cortex-M4.
+   * @param[in] *S points to an instance of the Q31 FIR structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+  void arm_fir_fast_q31(
+  const arm_fir_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Initialization function for the Q31 FIR filter.
+   * @param[in,out] *S points to an instance of the Q31 FIR structure.
+   * @param[in] 	numTaps  Number of filter coefficients in the filter.
+   * @param[in] 	*pCoeffs points to the filter coefficients.
+   * @param[in] 	*pState points to the state buffer.
+   * @param[in] 	blockSize number of samples that are processed at a time.
+   * @return 		none.
+   */
+  void arm_fir_init_q31(
+  arm_fir_instance_q31 * S,
+  uint16_t numTaps,
+  q31_t * pCoeffs,
+  q31_t * pState,
+  uint32_t blockSize);
+
+  /**
+   * @brief Processing function for the floating-point FIR filter.
+   * @param[in] *S points to an instance of the floating-point FIR structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+  void arm_fir_f32(
+  const arm_fir_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Initialization function for the floating-point FIR filter.
+   * @param[in,out] *S points to an instance of the floating-point FIR filter structure.
+   * @param[in] 	numTaps  Number of filter coefficients in the filter.
+   * @param[in] 	*pCoeffs points to the filter coefficients.
+   * @param[in] 	*pState points to the state buffer.
+   * @param[in] 	blockSize number of samples that are processed at a time.
+   * @return    	none.
+   */
+  void arm_fir_init_f32(
+  arm_fir_instance_f32 * S,
+  uint16_t numTaps,
+  float32_t * pCoeffs,
+  float32_t * pState,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief Instance structure for the Q15 Biquad cascade filter.
+   */
+  typedef struct
+  {
+    int8_t numStages;         /**< number of 2nd order stages in the filter.  Overall order is 2*numStages. */
+    q15_t *pState;            /**< Points to the array of state coefficients.  The array is of length 4*numStages. */
+    q15_t *pCoeffs;           /**< Points to the array of coefficients.  The array is of length 5*numStages. */
+    int8_t postShift;         /**< Additional shift, in bits, applied to each output sample. */
+
+  } arm_biquad_casd_df1_inst_q15;
+
+
+  /**
+   * @brief Instance structure for the Q31 Biquad cascade filter.
+   */
+  typedef struct
+  {
+    uint32_t numStages;      /**< number of 2nd order stages in the filter.  Overall order is 2*numStages. */
+    q31_t *pState;           /**< Points to the array of state coefficients.  The array is of length 4*numStages. */
+    q31_t *pCoeffs;          /**< Points to the array of coefficients.  The array is of length 5*numStages. */
+    uint8_t postShift;       /**< Additional shift, in bits, applied to each output sample. */
+
+  } arm_biquad_casd_df1_inst_q31;
+
+  /**
+   * @brief Instance structure for the floating-point Biquad cascade filter.
+   */
+  typedef struct
+  {
+    uint32_t numStages;         /**< number of 2nd order stages in the filter.  Overall order is 2*numStages. */
+    float32_t *pState;          /**< Points to the array of state coefficients.  The array is of length 4*numStages. */
+    float32_t *pCoeffs;         /**< Points to the array of coefficients.  The array is of length 5*numStages. */
+
+
+  } arm_biquad_casd_df1_inst_f32;
+
+
+
+  /**
+   * @brief Processing function for the Q15 Biquad cascade filter.
+   * @param[in]  *S points to an instance of the Q15 Biquad cascade structure.
+   * @param[in]  *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data.
+   * @param[in]  blockSize number of samples to process.
+   * @return     none.
+   */
+
+  void arm_biquad_cascade_df1_q15(
+  const arm_biquad_casd_df1_inst_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Initialization function for the Q15 Biquad cascade filter.
+   * @param[in,out] *S           points to an instance of the Q15 Biquad cascade structure.
+   * @param[in]     numStages    number of 2nd order stages in the filter.
+   * @param[in]     *pCoeffs     points to the filter coefficients.
+   * @param[in]     *pState      points to the state buffer.
+   * @param[in]     postShift    Shift to be applied to the output. Varies according to the coefficients format
+   * @return        none
+   */
+
+  void arm_biquad_cascade_df1_init_q15(
+  arm_biquad_casd_df1_inst_q15 * S,
+  uint8_t numStages,
+  q15_t * pCoeffs,
+  q15_t * pState,
+  int8_t postShift);
+
+
+  /**
+   * @brief Fast but less precise processing function for the Q15 Biquad cascade filter for Cortex-M3 and Cortex-M4.
+   * @param[in]  *S points to an instance of the Q15 Biquad cascade structure.
+   * @param[in]  *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data.
+   * @param[in]  blockSize number of samples to process.
+   * @return     none.
+   */
+
+  void arm_biquad_cascade_df1_fast_q15(
+  const arm_biquad_casd_df1_inst_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief Processing function for the Q31 Biquad cascade filter
+   * @param[in]  *S         points to an instance of the Q31 Biquad cascade structure.
+   * @param[in]  *pSrc      points to the block of input data.
+   * @param[out] *pDst      points to the block of output data.
+   * @param[in]  blockSize  number of samples to process.
+   * @return     none.
+   */
+
+  void arm_biquad_cascade_df1_q31(
+  const arm_biquad_casd_df1_inst_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Fast but less precise processing function for the Q31 Biquad cascade filter for Cortex-M3 and Cortex-M4.
+   * @param[in]  *S         points to an instance of the Q31 Biquad cascade structure.
+   * @param[in]  *pSrc      points to the block of input data.
+   * @param[out] *pDst      points to the block of output data.
+   * @param[in]  blockSize  number of samples to process.
+   * @return     none.
+   */
+
+  void arm_biquad_cascade_df1_fast_q31(
+  const arm_biquad_casd_df1_inst_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Initialization function for the Q31 Biquad cascade filter.
+   * @param[in,out] *S           points to an instance of the Q31 Biquad cascade structure.
+   * @param[in]     numStages      number of 2nd order stages in the filter.
+   * @param[in]     *pCoeffs     points to the filter coefficients.
+   * @param[in]     *pState      points to the state buffer.
+   * @param[in]     postShift    Shift to be applied to the output. Varies according to the coefficients format
+   * @return        none
+   */
+
+  void arm_biquad_cascade_df1_init_q31(
+  arm_biquad_casd_df1_inst_q31 * S,
+  uint8_t numStages,
+  q31_t * pCoeffs,
+  q31_t * pState,
+  int8_t postShift);
+
+  /**
+   * @brief Processing function for the floating-point Biquad cascade filter.
+   * @param[in]  *S         points to an instance of the floating-point Biquad cascade structure.
+   * @param[in]  *pSrc      points to the block of input data.
+   * @param[out] *pDst      points to the block of output data.
+   * @param[in]  blockSize  number of samples to process.
+   * @return     none.
+   */
+
+  void arm_biquad_cascade_df1_f32(
+  const arm_biquad_casd_df1_inst_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Initialization function for the floating-point Biquad cascade filter.
+   * @param[in,out] *S           points to an instance of the floating-point Biquad cascade structure.
+   * @param[in]     numStages    number of 2nd order stages in the filter.
+   * @param[in]     *pCoeffs     points to the filter coefficients.
+   * @param[in]     *pState      points to the state buffer.
+   * @return        none
+   */
+
+  void arm_biquad_cascade_df1_init_f32(
+  arm_biquad_casd_df1_inst_f32 * S,
+  uint8_t numStages,
+  float32_t * pCoeffs,
+  float32_t * pState);
+
+
+  /**
+   * @brief Instance structure for the floating-point matrix structure.
+   */
+
+  typedef struct
+  {
+    uint16_t numRows;     /**< number of rows of the matrix.     */
+    uint16_t numCols;     /**< number of columns of the matrix.  */
+    float32_t *pData;     /**< points to the data of the matrix. */
+  } arm_matrix_instance_f32;
+
+  /**
+   * @brief Instance structure for the Q15 matrix structure.
+   */
+
+  typedef struct
+  {
+    uint16_t numRows;     /**< number of rows of the matrix.     */
+    uint16_t numCols;     /**< number of columns of the matrix.  */
+    q15_t *pData;         /**< points to the data of the matrix. */
+
+  } arm_matrix_instance_q15;
+
+  /**
+   * @brief Instance structure for the Q31 matrix structure.
+   */
+
+  typedef struct
+  {
+    uint16_t numRows;     /**< number of rows of the matrix.     */
+    uint16_t numCols;     /**< number of columns of the matrix.  */
+    q31_t *pData;         /**< points to the data of the matrix. */
+
+  } arm_matrix_instance_q31;
+
+
+
+  /**
+   * @brief Floating-point matrix addition.
+   * @param[in]       *pSrcA points to the first input matrix structure
+   * @param[in]       *pSrcB points to the second input matrix structure
+   * @param[out]      *pDst points to output matrix structure
+   * @return     The function returns either
+   * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_add_f32(
+  const arm_matrix_instance_f32 * pSrcA,
+  const arm_matrix_instance_f32 * pSrcB,
+  arm_matrix_instance_f32 * pDst);
+
+  /**
+   * @brief Q15 matrix addition.
+   * @param[in]       *pSrcA points to the first input matrix structure
+   * @param[in]       *pSrcB points to the second input matrix structure
+   * @param[out]      *pDst points to output matrix structure
+   * @return     The function returns either
+   * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_add_q15(
+  const arm_matrix_instance_q15 * pSrcA,
+  const arm_matrix_instance_q15 * pSrcB,
+  arm_matrix_instance_q15 * pDst);
+
+  /**
+   * @brief Q31 matrix addition.
+   * @param[in]       *pSrcA points to the first input matrix structure
+   * @param[in]       *pSrcB points to the second input matrix structure
+   * @param[out]      *pDst points to output matrix structure
+   * @return     The function returns either
+   * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_add_q31(
+  const arm_matrix_instance_q31 * pSrcA,
+  const arm_matrix_instance_q31 * pSrcB,
+  arm_matrix_instance_q31 * pDst);
+
+
+  /**
+   * @brief Floating-point matrix transpose.
+   * @param[in]  *pSrc points to the input matrix
+   * @param[out] *pDst points to the output matrix
+   * @return 	The function returns either  ARM_MATH_SIZE_MISMATCH
+   * or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_trans_f32(
+  const arm_matrix_instance_f32 * pSrc,
+  arm_matrix_instance_f32 * pDst);
+
+
+  /**
+   * @brief Q15 matrix transpose.
+   * @param[in]  *pSrc points to the input matrix
+   * @param[out] *pDst points to the output matrix
+   * @return 	The function returns either  ARM_MATH_SIZE_MISMATCH
+   * or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_trans_q15(
+  const arm_matrix_instance_q15 * pSrc,
+  arm_matrix_instance_q15 * pDst);
+
+  /**
+   * @brief Q31 matrix transpose.
+   * @param[in]  *pSrc points to the input matrix
+   * @param[out] *pDst points to the output matrix
+   * @return 	The function returns either  ARM_MATH_SIZE_MISMATCH
+   * or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_trans_q31(
+  const arm_matrix_instance_q31 * pSrc,
+  arm_matrix_instance_q31 * pDst);
+
+
+  /**
+   * @brief Floating-point matrix multiplication
+   * @param[in]       *pSrcA points to the first input matrix structure
+   * @param[in]       *pSrcB points to the second input matrix structure
+   * @param[out]      *pDst points to output matrix structure
+   * @return     The function returns either
+   * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_mult_f32(
+  const arm_matrix_instance_f32 * pSrcA,
+  const arm_matrix_instance_f32 * pSrcB,
+  arm_matrix_instance_f32 * pDst);
+
+  /**
+   * @brief Q15 matrix multiplication
+   * @param[in]       *pSrcA points to the first input matrix structure
+   * @param[in]       *pSrcB points to the second input matrix structure
+   * @param[out]      *pDst points to output matrix structure
+   * @return     The function returns either
+   * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_mult_q15(
+  const arm_matrix_instance_q15 * pSrcA,
+  const arm_matrix_instance_q15 * pSrcB,
+  arm_matrix_instance_q15 * pDst,
+  q15_t * pState);
+
+  /**
+   * @brief Q15 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4
+   * @param[in]       *pSrcA  points to the first input matrix structure
+   * @param[in]       *pSrcB  points to the second input matrix structure
+   * @param[out]      *pDst   points to output matrix structure
+   * @param[in]		  *pState points to the array for storing intermediate results  
+   * @return     The function returns either
+   * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_mult_fast_q15(
+  const arm_matrix_instance_q15 * pSrcA,
+  const arm_matrix_instance_q15 * pSrcB,
+  arm_matrix_instance_q15 * pDst,
+  q15_t * pState);
+
+  /**
+   * @brief Q31 matrix multiplication
+   * @param[in]       *pSrcA points to the first input matrix structure
+   * @param[in]       *pSrcB points to the second input matrix structure
+   * @param[out]      *pDst points to output matrix structure
+   * @return     The function returns either
+   * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_mult_q31(
+  const arm_matrix_instance_q31 * pSrcA,
+  const arm_matrix_instance_q31 * pSrcB,
+  arm_matrix_instance_q31 * pDst);
+
+  /**
+   * @brief Q31 matrix multiplication (fast variant) for Cortex-M3 and Cortex-M4
+   * @param[in]       *pSrcA points to the first input matrix structure
+   * @param[in]       *pSrcB points to the second input matrix structure
+   * @param[out]      *pDst points to output matrix structure
+   * @return     The function returns either
+   * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_mult_fast_q31(
+  const arm_matrix_instance_q31 * pSrcA,
+  const arm_matrix_instance_q31 * pSrcB,
+  arm_matrix_instance_q31 * pDst);
+
+
+  /**
+   * @brief Floating-point matrix subtraction
+   * @param[in]       *pSrcA points to the first input matrix structure
+   * @param[in]       *pSrcB points to the second input matrix structure
+   * @param[out]      *pDst points to output matrix structure
+   * @return     The function returns either
+   * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_sub_f32(
+  const arm_matrix_instance_f32 * pSrcA,
+  const arm_matrix_instance_f32 * pSrcB,
+  arm_matrix_instance_f32 * pDst);
+
+  /**
+   * @brief Q15 matrix subtraction
+   * @param[in]       *pSrcA points to the first input matrix structure
+   * @param[in]       *pSrcB points to the second input matrix structure
+   * @param[out]      *pDst points to output matrix structure
+   * @return     The function returns either
+   * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_sub_q15(
+  const arm_matrix_instance_q15 * pSrcA,
+  const arm_matrix_instance_q15 * pSrcB,
+  arm_matrix_instance_q15 * pDst);
+
+  /**
+   * @brief Q31 matrix subtraction
+   * @param[in]       *pSrcA points to the first input matrix structure
+   * @param[in]       *pSrcB points to the second input matrix structure
+   * @param[out]      *pDst points to output matrix structure
+   * @return     The function returns either
+   * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_sub_q31(
+  const arm_matrix_instance_q31 * pSrcA,
+  const arm_matrix_instance_q31 * pSrcB,
+  arm_matrix_instance_q31 * pDst);
+
+  /**
+   * @brief Floating-point matrix scaling.
+   * @param[in]  *pSrc points to the input matrix
+   * @param[in]  scale scale factor
+   * @param[out] *pDst points to the output matrix
+   * @return     The function returns either
+   * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_scale_f32(
+  const arm_matrix_instance_f32 * pSrc,
+  float32_t scale,
+  arm_matrix_instance_f32 * pDst);
+
+  /**
+   * @brief Q15 matrix scaling.
+   * @param[in]       *pSrc points to input matrix
+   * @param[in]       scaleFract fractional portion of the scale factor
+   * @param[in]       shift number of bits to shift the result by
+   * @param[out]      *pDst points to output matrix
+   * @return     The function returns either
+   * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_scale_q15(
+  const arm_matrix_instance_q15 * pSrc,
+  q15_t scaleFract,
+  int32_t shift,
+  arm_matrix_instance_q15 * pDst);
+
+  /**
+   * @brief Q31 matrix scaling.
+   * @param[in]       *pSrc points to input matrix
+   * @param[in]       scaleFract fractional portion of the scale factor
+   * @param[in]       shift number of bits to shift the result by
+   * @param[out]      *pDst points to output matrix structure
+   * @return     The function returns either
+   * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.
+   */
+
+  arm_status arm_mat_scale_q31(
+  const arm_matrix_instance_q31 * pSrc,
+  q31_t scaleFract,
+  int32_t shift,
+  arm_matrix_instance_q31 * pDst);
+
+
+  /**
+   * @brief  Q31 matrix initialization.
+   * @param[in,out] *S             points to an instance of the floating-point matrix structure.
+   * @param[in]     nRows          number of rows in the matrix.
+   * @param[in]     nColumns       number of columns in the matrix.
+   * @param[in]     *pData	       points to the matrix data array.
+   * @return        none
+   */
+
+  void arm_mat_init_q31(
+  arm_matrix_instance_q31 * S,
+  uint16_t nRows,
+  uint16_t nColumns,
+  q31_t * pData);
+
+  /**
+   * @brief  Q15 matrix initialization.
+   * @param[in,out] *S             points to an instance of the floating-point matrix structure.
+   * @param[in]     nRows          number of rows in the matrix.
+   * @param[in]     nColumns       number of columns in the matrix.
+   * @param[in]     *pData	       points to the matrix data array.
+   * @return        none
+   */
+
+  void arm_mat_init_q15(
+  arm_matrix_instance_q15 * S,
+  uint16_t nRows,
+  uint16_t nColumns,
+  q15_t * pData);
+
+  /**
+   * @brief  Floating-point matrix initialization.
+   * @param[in,out] *S             points to an instance of the floating-point matrix structure.
+   * @param[in]     nRows          number of rows in the matrix.
+   * @param[in]     nColumns       number of columns in the matrix.
+   * @param[in]     *pData	       points to the matrix data array.
+   * @return        none
+   */
+
+  void arm_mat_init_f32(
+  arm_matrix_instance_f32 * S,
+  uint16_t nRows,
+  uint16_t nColumns,
+  float32_t * pData);
+
+
+
+  /**
+   * @brief Instance structure for the Q15 PID Control.
+   */
+  typedef struct
+  {
+    q15_t A0;    /**< The derived gain, A0 = Kp + Ki + Kd . */
+#ifdef ARM_MATH_CM0
+    q15_t A1;
+    q15_t A2;
+#else
+    q31_t A1;           /**< The derived gain A1 = -Kp - 2Kd | Kd.*/
+#endif
+    q15_t state[3];       /**< The state array of length 3. */
+    q15_t Kp;           /**< The proportional gain. */
+    q15_t Ki;           /**< The integral gain. */
+    q15_t Kd;           /**< The derivative gain. */
+  } arm_pid_instance_q15;
+
+  /**
+   * @brief Instance structure for the Q31 PID Control.
+   */
+  typedef struct
+  {
+    q31_t A0;            /**< The derived gain, A0 = Kp + Ki + Kd . */
+    q31_t A1;            /**< The derived gain, A1 = -Kp - 2Kd. */
+    q31_t A2;            /**< The derived gain, A2 = Kd . */
+    q31_t state[3];      /**< The state array of length 3. */
+    q31_t Kp;            /**< The proportional gain. */
+    q31_t Ki;            /**< The integral gain. */
+    q31_t Kd;            /**< The derivative gain. */
+
+  } arm_pid_instance_q31;
+
+  /**
+   * @brief Instance structure for the floating-point PID Control.
+   */
+  typedef struct
+  {
+    float32_t A0;          /**< The derived gain, A0 = Kp + Ki + Kd . */
+    float32_t A1;          /**< The derived gain, A1 = -Kp - 2Kd. */
+    float32_t A2;          /**< The derived gain, A2 = Kd . */
+    float32_t state[3];    /**< The state array of length 3. */
+    float32_t Kp;               /**< The proportional gain. */
+    float32_t Ki;               /**< The integral gain. */
+    float32_t Kd;               /**< The derivative gain. */
+  } arm_pid_instance_f32;
+
+
+
+  /**
+   * @brief  Initialization function for the floating-point PID Control.
+   * @param[in,out] *S      points to an instance of the PID structure.
+   * @param[in]     resetStateFlag  flag to reset the state. 0 = no change in state 1 = reset the state.
+   * @return none.
+   */
+  void arm_pid_init_f32(
+  arm_pid_instance_f32 * S,
+  int32_t resetStateFlag);
+
+  /**
+   * @brief  Reset function for the floating-point PID Control.
+   * @param[in,out] *S is an instance of the floating-point PID Control structure
+   * @return none
+   */
+  void arm_pid_reset_f32(
+  arm_pid_instance_f32 * S);
+
+
+  /**
+   * @brief  Initialization function for the Q31 PID Control.
+   * @param[in,out] *S points to an instance of the Q15 PID structure.
+   * @param[in]     resetStateFlag  flag to reset the state. 0 = no change in state 1 = reset the state.
+   * @return none.
+   */
+  void arm_pid_init_q31(
+  arm_pid_instance_q31 * S,
+  int32_t resetStateFlag);
+
+
+  /**
+   * @brief  Reset function for the Q31 PID Control.
+   * @param[in,out] *S points to an instance of the Q31 PID Control structure
+   * @return none
+   */
+
+  void arm_pid_reset_q31(
+  arm_pid_instance_q31 * S);
+
+  /**
+   * @brief  Initialization function for the Q15 PID Control.
+   * @param[in,out] *S points to an instance of the Q15 PID structure.
+   * @param[in] resetStateFlag  flag to reset the state. 0 = no change in state 1 = reset the state.
+   * @return none.
+   */
+  void arm_pid_init_q15(
+  arm_pid_instance_q15 * S,
+  int32_t resetStateFlag);
+
+  /**
+   * @brief  Reset function for the Q15 PID Control.
+   * @param[in,out] *S points to an instance of the q15 PID Control structure
+   * @return none
+   */
+  void arm_pid_reset_q15(
+  arm_pid_instance_q15 * S);
+
+
+  /**
+   * @brief Instance structure for the floating-point Linear Interpolate function.
+   */
+  typedef struct
+  {
+    uint32_t nValues;           /**< nValues */
+    float32_t x1;               /**< x1 */
+    float32_t xSpacing;         /**< xSpacing */
+    float32_t *pYData;          /**< pointer to the table of Y values */
+  } arm_linear_interp_instance_f32;
+
+  /**
+   * @brief Instance structure for the floating-point bilinear interpolation function.
+   */
+
+  typedef struct
+  {
+    uint16_t numRows;   /**< number of rows in the data table. */
+    uint16_t numCols;   /**< number of columns in the data table. */
+    float32_t *pData;   /**< points to the data table. */
+  } arm_bilinear_interp_instance_f32;
+
+   /**
+   * @brief Instance structure for the Q31 bilinear interpolation function.
+   */
+
+  typedef struct
+  {
+    uint16_t numRows;   /**< number of rows in the data table. */
+    uint16_t numCols;   /**< number of columns in the data table. */
+    q31_t *pData;       /**< points to the data table. */
+  } arm_bilinear_interp_instance_q31;
+
+   /**
+   * @brief Instance structure for the Q15 bilinear interpolation function.
+   */
+
+  typedef struct
+  {
+    uint16_t numRows;   /**< number of rows in the data table. */
+    uint16_t numCols;   /**< number of columns in the data table. */
+    q15_t *pData;       /**< points to the data table. */
+  } arm_bilinear_interp_instance_q15;
+
+   /**
+   * @brief Instance structure for the Q15 bilinear interpolation function.
+   */
+
+  typedef struct
+  {
+    uint16_t numRows;   /**< number of rows in the data table. */
+    uint16_t numCols;   /**< number of columns in the data table. */
+    q7_t *pData;                /**< points to the data table. */
+  } arm_bilinear_interp_instance_q7;
+
+
+  /**
+   * @brief Q7 vector multiplication.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[out]      *pDst  points to the output vector
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_mult_q7(
+  q7_t * pSrcA,
+  q7_t * pSrcB,
+  q7_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Q15 vector multiplication.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[out]      *pDst  points to the output vector
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_mult_q15(
+  q15_t * pSrcA,
+  q15_t * pSrcB,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Q31 vector multiplication.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[out]      *pDst points to the output vector
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_mult_q31(
+  q31_t * pSrcA,
+  q31_t * pSrcB,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Floating-point vector multiplication.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[out]      *pDst points to the output vector
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_mult_f32(
+  float32_t * pSrcA,
+  float32_t * pSrcB,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief Instance structure for the Q15 CFFT/CIFFT function.
+   */
+
+  typedef struct
+  {
+    uint16_t fftLen;                 /**< length of the FFT. */
+    uint8_t ifftFlag;                /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+    uint8_t bitReverseFlag;          /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+    q15_t *pTwiddle;                 /**< points to the twiddle factor table. */
+    uint16_t *pBitRevTable;          /**< points to the bit reversal table. */
+    uint16_t twidCoefModifier;       /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+    uint16_t bitRevFactor;           /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+  } arm_cfft_radix4_instance_q15;
+
+  /**
+   * @brief Instance structure for the Q31 CFFT/CIFFT function.
+   */
+
+  typedef struct
+  {
+    uint16_t fftLen;                 /**< length of the FFT. */
+    uint8_t ifftFlag;                /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+    uint8_t bitReverseFlag;          /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+    q31_t *pTwiddle;                 /**< points to the twiddle factor table. */
+    uint16_t *pBitRevTable;          /**< points to the bit reversal table. */
+    uint16_t twidCoefModifier;       /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+    uint16_t bitRevFactor;           /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+  } arm_cfft_radix4_instance_q31;
+
+
+  /**
+   * @brief Instance structure for the floating-point CFFT/CIFFT function.
+   */
+
+  typedef struct
+  {
+    uint16_t fftLen;                   /**< length of the FFT. */
+    uint8_t ifftFlag;                  /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+    uint8_t bitReverseFlag;            /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+    float32_t *pTwiddle;               /**< points to the twiddle factor table. */
+    uint16_t *pBitRevTable;            /**< points to the bit reversal table. */
+    uint16_t twidCoefModifier;         /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+    uint16_t bitRevFactor;             /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+    float32_t onebyfftLen;                 /**< value of 1/fftLen. */
+  } arm_cfft_radix4_instance_f32;
+
+
+  /**
+   * @brief Instance structure for the Q15 CFFT/CIFFT function.
+   */
+
+  typedef struct
+  {
+    uint16_t fftLen;                 /**< length of the FFT. */
+    uint8_t ifftFlag;                /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+    uint8_t bitReverseFlag;          /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+    q15_t *pTwiddle;                     /**< points to the Sin twiddle factor table. */
+    uint16_t *pBitRevTable;          /**< points to the bit reversal table. */
+    uint16_t twidCoefModifier;       /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+    uint16_t bitRevFactor;           /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+  } arm_cfft_radix2_instance_q15;
+
+  /**
+   * @brief Instance structure for the Radix-2 Q31 CFFT/CIFFT function.
+   */
+
+  typedef struct
+  {
+    uint16_t fftLen;                 /**< length of the FFT. */
+    uint8_t ifftFlag;                /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+    uint8_t bitReverseFlag;          /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+    q31_t *pTwiddle;                     /**< points to the Twiddle factor table. */
+    uint16_t *pBitRevTable;          /**< points to the bit reversal table. */
+    uint16_t twidCoefModifier;       /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+    uint16_t bitRevFactor;           /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+  } arm_cfft_radix2_instance_q31;
+
+  /**
+   * @brief Instance structure for the floating-point CFFT/CIFFT function.
+   */
+
+  typedef struct
+  {
+    uint16_t fftLen;                   /**< length of the FFT. */
+    uint8_t ifftFlag;                  /**< flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. */
+    uint8_t bitReverseFlag;            /**< flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. */
+    float32_t *pTwiddle;               /**< points to the Twiddle factor table. */
+    uint16_t *pBitRevTable;            /**< points to the bit reversal table. */
+    uint16_t twidCoefModifier;         /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+    uint16_t bitRevFactor;             /**< bit reversal modifier that supports different size FFTs with the same bit reversal table. */
+    float32_t onebyfftLen;                 /**< value of 1/fftLen. */
+  } arm_cfft_radix2_instance_f32;
+
+
+  /**
+   * @brief Processing function for the Q15 CFFT/CIFFT.
+   * @param[in]      *S    points to an instance of the Q15 CFFT/CIFFT structure.
+   * @param[in, out] *pSrc points to the complex data buffer. Processing occurs in-place.
+   * @return none.
+   */
+
+  void arm_cfft_radix4_q15(
+  const arm_cfft_radix4_instance_q15 * S,
+  q15_t * pSrc);
+
+  /**
+   * @brief Processing function for the Q15 CFFT/CIFFT.
+   * @param[in]      *S    points to an instance of the Q15 CFFT/CIFFT structure.
+   * @param[in, out] *pSrc points to the complex data buffer. Processing occurs in-place.
+   * @return none.
+   */
+
+  void arm_cfft_radix2_q15(
+  const arm_cfft_radix2_instance_q15 * S,
+  q15_t * pSrc);
+
+  /**
+   * @brief Initialization function for the Q15 CFFT/CIFFT.
+   * @param[in,out] *S             points to an instance of the Q15 CFFT/CIFFT structure.
+   * @param[in]     fftLen         length of the FFT.
+   * @param[in]     ifftFlag       flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.
+   * @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
+   * @return        arm_status     function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLen is not a supported value.
+   */
+
+  arm_status arm_cfft_radix4_init_q15(
+  arm_cfft_radix4_instance_q15 * S,
+  uint16_t fftLen,
+  uint8_t ifftFlag,
+  uint8_t bitReverseFlag);
+
+  /**
+   * @brief Initialization function for the Q15 CFFT/CIFFT.
+   * @param[in,out] *S             points to an instance of the Q15 CFFT/CIFFT structure.
+   * @param[in]     fftLen         length of the FFT.
+   * @param[in]     ifftFlag       flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.
+   * @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
+   * @return        arm_status     function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLen is not a supported value.
+   */
+
+  arm_status arm_cfft_radix2_init_q15(
+  arm_cfft_radix2_instance_q15 * S,
+  uint16_t fftLen,
+  uint8_t ifftFlag,
+  uint8_t bitReverseFlag);
+
+  /**
+   * @brief Processing function for the Q31 CFFT/CIFFT.
+   * @param[in]      *S    points to an instance of the Q31 CFFT/CIFFT structure.
+   * @param[in, out] *pSrc points to the complex data buffer. Processing occurs in-place.
+   * @return none.
+   */
+
+  void arm_cfft_radix4_q31(
+  const arm_cfft_radix4_instance_q31 * S,
+  q31_t * pSrc);
+
+  /**
+   * @brief  Initialization function for the Q31 CFFT/CIFFT.
+   * @param[in,out] *S             points to an instance of the Q31 CFFT/CIFFT structure.
+   * @param[in]     fftLen         length of the FFT.
+   * @param[in]     ifftFlag       flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.
+   * @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
+   * @return        arm_status     function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLen is not a supported value.
+   */
+
+  arm_status arm_cfft_radix4_init_q31(
+  arm_cfft_radix4_instance_q31 * S,
+  uint16_t fftLen,
+  uint8_t ifftFlag,
+  uint8_t bitReverseFlag);
+
+  /**
+   * @brief Processing function for the Radix-2 Q31 CFFT/CIFFT.
+   * @param[in]      *S    points to an instance of the Radix-2 Q31 CFFT/CIFFT structure.
+   * @param[in, out] *pSrc points to the complex data buffer. Processing occurs in-place.
+   * @return none.
+   */
+
+  void arm_cfft_radix2_q31(
+  const arm_cfft_radix2_instance_q31 * S,
+  q31_t * pSrc);
+
+  /**
+   * @brief  Initialization function for the Radix-2 Q31 CFFT/CIFFT.
+   * @param[in,out] *S             points to an instance of the Radix-2 Q31 CFFT/CIFFT structure.
+   * @param[in]     fftLen         length of the FFT.
+   * @param[in]     ifftFlag       flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.
+   * @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
+   * @return        arm_status     function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLen is not a supported value.
+   */
+
+  arm_status arm_cfft_radix2_init_q31(
+  arm_cfft_radix2_instance_q31 * S,
+  uint16_t fftLen,
+  uint8_t ifftFlag,
+  uint8_t bitReverseFlag);
+
+
+
+  /**
+   * @brief Processing function for the floating-point CFFT/CIFFT.
+   * @param[in]      *S    points to an instance of the floating-point CFFT/CIFFT structure.
+   * @param[in, out] *pSrc points to the complex data buffer. Processing occurs in-place.
+   * @return none.
+   */
+
+  void arm_cfft_radix2_f32(
+  const arm_cfft_radix2_instance_f32 * S,
+  float32_t * pSrc);
+
+  /**
+   * @brief  Initialization function for the floating-point CFFT/CIFFT.
+   * @param[in,out] *S             points to an instance of the floating-point CFFT/CIFFT structure.
+   * @param[in]     fftLen         length of the FFT.
+   * @param[in]     ifftFlag       flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.
+   * @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
+   * @return        The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLen is not a supported value.
+   */
+
+  arm_status arm_cfft_radix2_init_f32(
+  arm_cfft_radix2_instance_f32 * S,
+  uint16_t fftLen,
+  uint8_t ifftFlag,
+  uint8_t bitReverseFlag);
+
+  /**
+   * @brief Processing function for the floating-point CFFT/CIFFT.
+   * @param[in]      *S    points to an instance of the floating-point CFFT/CIFFT structure.
+   * @param[in, out] *pSrc points to the complex data buffer. Processing occurs in-place.
+   * @return none.
+   */
+
+  void arm_cfft_radix4_f32(
+  const arm_cfft_radix4_instance_f32 * S,
+  float32_t * pSrc);
+
+  /**
+   * @brief  Initialization function for the floating-point CFFT/CIFFT.
+   * @param[in,out] *S             points to an instance of the floating-point CFFT/CIFFT structure.
+   * @param[in]     fftLen         length of the FFT.
+   * @param[in]     ifftFlag       flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform.
+   * @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
+   * @return        The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLen is not a supported value.
+   */
+
+  arm_status arm_cfft_radix4_init_f32(
+  arm_cfft_radix4_instance_f32 * S,
+  uint16_t fftLen,
+  uint8_t ifftFlag,
+  uint8_t bitReverseFlag);
+
+
+
+  /*----------------------------------------------------------------------
+   *		Internal functions prototypes FFT function
+   ----------------------------------------------------------------------*/
+
+  /**
+   * @brief  Core function for the floating-point CFFT butterfly process.
+   * @param[in, out] *pSrc            points to the in-place buffer of floating-point data type.
+   * @param[in]      fftLen           length of the FFT.
+   * @param[in]      *pCoef           points to the twiddle coefficient buffer.
+   * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
+   * @return none.
+   */
+
+  void arm_radix4_butterfly_f32(
+  float32_t * pSrc,
+  uint16_t fftLen,
+  float32_t * pCoef,
+  uint16_t twidCoefModifier);
+
+  /**
+   * @brief  Core function for the floating-point CIFFT butterfly process.
+   * @param[in, out] *pSrc            points to the in-place buffer of floating-point data type.
+   * @param[in]      fftLen           length of the FFT.
+   * @param[in]      *pCoef           points to twiddle coefficient buffer.
+   * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
+   * @param[in]      onebyfftLen      value of 1/fftLen.
+   * @return none.
+   */
+
+  void arm_radix4_butterfly_inverse_f32(
+  float32_t * pSrc,
+  uint16_t fftLen,
+  float32_t * pCoef,
+  uint16_t twidCoefModifier,
+  float32_t onebyfftLen);
+
+  /**
+   * @brief  In-place bit reversal function.
+   * @param[in, out] *pSrc        points to the in-place buffer of floating-point data type.
+   * @param[in]      fftSize      length of the FFT.
+   * @param[in]      bitRevFactor bit reversal modifier that supports different size FFTs with the same bit reversal table.
+   * @param[in]      *pBitRevTab  points to the bit reversal table.
+   * @return none.
+   */
+
+  void arm_bitreversal_f32(
+  float32_t * pSrc,
+  uint16_t fftSize,
+  uint16_t bitRevFactor,
+  uint16_t * pBitRevTab);
+
+  /**
+   * @brief  Core function for the Q31 CFFT butterfly process.
+   * @param[in, out] *pSrc            points to the in-place buffer of Q31 data type.
+   * @param[in]      fftLen           length of the FFT.
+   * @param[in]      *pCoef           points to Twiddle coefficient buffer.
+   * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
+   * @return none.
+   */
+
+  void arm_radix4_butterfly_q31(
+  q31_t * pSrc,
+  uint32_t fftLen,
+  q31_t * pCoef,
+  uint32_t twidCoefModifier);
+
+  /**
+   * @brief  Core function for the f32 FFT butterfly process.
+   * @param[in, out] *pSrc            points to the in-place buffer of f32 data type.
+   * @param[in]      fftLen           length of the FFT.
+   * @param[in]      *pCoef        	  points to Twiddle coefficient buffer.
+   * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
+   * @return none.
+   */
+
+  void arm_radix2_butterfly_f32(
+  float32_t * pSrc,
+  uint32_t fftLen,
+  float32_t * pCoef,
+  uint16_t twidCoefModifier);
+
+        /**  
+	 * @brief  Core function for the Radix-2 Q31 CFFT butterfly process. 
+	 * @param[in, out] *pSrc            points to the in-place buffer of Q31 data type. 
+	 * @param[in]      fftLen           length of the FFT. 
+	 * @param[in]      *pCoef         	points to Twiddle coefficient buffer.
+	 * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. 
+	 * @return none. 
+	 */
+
+  void arm_radix2_butterfly_q31(
+  q31_t * pSrc,
+  uint32_t fftLen,
+  q31_t * pCoef,
+  uint16_t twidCoefModifier);
+
+        /**  
+	 * @brief  Core function for the Radix-2 Q15 CFFT butterfly process. 
+	 * @param[in, out] *pSrc            points to the in-place buffer of Q15 data type. 
+	 * @param[in]      fftLen           length of the FFT. 
+	 * @param[in]      *pCoef           points to Twiddle coefficient buffer.
+	 * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. 
+	 * @return none. 
+	 */
+
+  void arm_radix2_butterfly_q15(
+  q15_t * pSrc,
+  uint32_t fftLen,
+  q15_t * pCoef,
+  uint16_t twidCoefModifier);
+
+        /**  
+	 * @brief  Core function for the Radix-2 Q15 CFFT Inverse butterfly process. 
+	 * @param[in, out] *pSrc            points to the in-place buffer of Q15 data type. 
+	 * @param[in]      fftLen           length of the FFT. 
+	 * @param[in]      *pCoef       	points to Twiddle coefficient buffer.
+	 * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. 
+	 * @return none. 
+	 */
+
+  void arm_radix2_butterfly_inverse_q15(
+  q15_t * pSrc,
+  uint32_t fftLen,
+  q15_t * pCoef,
+  uint16_t twidCoefModifier);
+
+        /**  
+	 * @brief  Core function for the Radix-2 Q31 CFFT Inverse butterfly process. 
+	 * @param[in, out] *pSrc            points to the in-place buffer of Q31 data type. 
+	 * @param[in]      fftLen           length of the FFT. 
+	 * @param[in]      *pCoef         	points to Twiddle coefficient buffer.
+	 * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. 
+	 * @return none. 
+	 */
+
+  void arm_radix2_butterfly_inverse_q31(
+  q31_t * pSrc,
+  uint32_t fftLen,
+  q31_t * pCoef,
+  uint16_t twidCoefModifier);
+
+  /**
+   * @brief  Core function for the f32 IFFT butterfly process.
+   * @param[in, out] *pSrc            points to the in-place buffer of f32 data type.
+   * @param[in]      fftLen           length of the FFT.
+   * @param[in]      *pCoef        	  points to Twiddle coefficient buffer.
+   * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
+   * @param[in]		 onebyfftLen	  1/fftLenfth
+   * @return none.
+   */
+
+  void arm_radix2_butterfly_inverse_f32(
+  float32_t * pSrc,
+  uint32_t fftLen,
+  float32_t * pCoef,
+  uint16_t twidCoefModifier,
+  float32_t onebyfftLen);
+
+                                                                /**
+   * @brief  Core function for the Q31 CIFFT butterfly process.
+   * @param[in, out] *pSrc            points to the in-place buffer of Q31 data type.
+   * @param[in]      fftLen           length of the FFT.
+   * @param[in]      *pCoef           points to twiddle coefficient buffer.
+   * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
+   * @return none.
+   */
+
+  void arm_radix4_butterfly_inverse_q31(
+  q31_t * pSrc,
+  uint32_t fftLen,
+  q31_t * pCoef,
+  uint32_t twidCoefModifier);
+
+  /**
+   * @brief  In-place bit reversal function.
+   * @param[in, out] *pSrc        points to the in-place buffer of Q31 data type.
+   * @param[in]      fftLen       length of the FFT.
+   * @param[in]      bitRevFactor bit reversal modifier that supports different size FFTs with the same bit reversal table
+   * @param[in]      *pBitRevTab  points to bit reversal table.
+   * @return none.
+   */
+
+  void arm_bitreversal_q31(
+  q31_t * pSrc,
+  uint32_t fftLen,
+  uint16_t bitRevFactor,
+  uint16_t * pBitRevTab);
+
+  /**
+   * @brief  Core function for the Q15 CFFT butterfly process.
+   * @param[in, out] *pSrc16          points to the in-place buffer of Q15 data type.
+   * @param[in]      fftLen           length of the FFT.
+   * @param[in]      *pCoef16         points to twiddle coefficient buffer.
+   * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
+   * @return none.
+   */
+
+  void arm_radix4_butterfly_q15(
+  q15_t * pSrc16,
+  uint32_t fftLen,
+  q15_t * pCoef16,
+  uint32_t twidCoefModifier);
+
+
+  /**
+   * @brief  Core function for the Q15 CIFFT butterfly process.
+   * @param[in, out] *pSrc16          points to the in-place buffer of Q15 data type.
+   * @param[in]      fftLen           length of the FFT.
+   * @param[in]      *pCoef16         points to twiddle coefficient buffer.
+   * @param[in]      twidCoefModifier twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table.
+   * @return none.
+   */
+
+  void arm_radix4_butterfly_inverse_q15(
+  q15_t * pSrc16,
+  uint32_t fftLen,
+  q15_t * pCoef16,
+  uint32_t twidCoefModifier);
+
+  /**
+   * @brief  In-place bit reversal function.
+   * @param[in, out] *pSrc        points to the in-place buffer of Q15 data type.
+   * @param[in]      fftLen       length of the FFT.
+   * @param[in]      bitRevFactor bit reversal modifier that supports different size FFTs with the same bit reversal table
+   * @param[in]      *pBitRevTab  points to bit reversal table.
+   * @return none.
+   */
+
+  void arm_bitreversal_q15(
+  q15_t * pSrc,
+  uint32_t fftLen,
+  uint16_t bitRevFactor,
+  uint16_t * pBitRevTab);
+
+
+  /**
+   * @brief Instance structure for the Q15 RFFT/RIFFT function.
+   */
+
+  typedef struct
+  {
+    uint32_t fftLenReal;                      /**< length of the real FFT. */
+    uint32_t fftLenBy2;                       /**< length of the complex FFT. */
+    uint8_t ifftFlagR;                        /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */
+    uint8_t bitReverseFlagR;                      /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */
+    uint32_t twidCoefRModifier;               /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+    q15_t *pTwiddleAReal;                     /**< points to the real twiddle factor table. */
+    q15_t *pTwiddleBReal;                     /**< points to the imag twiddle factor table. */
+    arm_cfft_radix4_instance_q15 *pCfft;          /**< points to the complex FFT instance. */
+  } arm_rfft_instance_q15;
+
+  /**
+   * @brief Instance structure for the Q31 RFFT/RIFFT function.
+   */
+
+  typedef struct
+  {
+    uint32_t fftLenReal;                        /**< length of the real FFT. */
+    uint32_t fftLenBy2;                         /**< length of the complex FFT. */
+    uint8_t ifftFlagR;                          /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */
+    uint8_t bitReverseFlagR;                        /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */
+    uint32_t twidCoefRModifier;                 /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+    q31_t *pTwiddleAReal;                       /**< points to the real twiddle factor table. */
+    q31_t *pTwiddleBReal;                       /**< points to the imag twiddle factor table. */
+    arm_cfft_radix4_instance_q31 *pCfft;        /**< points to the complex FFT instance. */
+  } arm_rfft_instance_q31;
+
+  /**
+   * @brief Instance structure for the floating-point RFFT/RIFFT function.
+   */
+
+  typedef struct
+  {
+    uint32_t fftLenReal;                        /**< length of the real FFT. */
+    uint16_t fftLenBy2;                         /**< length of the complex FFT. */
+    uint8_t ifftFlagR;                          /**< flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform. */
+    uint8_t bitReverseFlagR;                    /**< flag that enables (bitReverseFlagR=1) or disables (bitReverseFlagR=0) bit reversal of output. */
+    uint32_t twidCoefRModifier;                     /**< twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. */
+    float32_t *pTwiddleAReal;                   /**< points to the real twiddle factor table. */
+    float32_t *pTwiddleBReal;                   /**< points to the imag twiddle factor table. */
+    arm_cfft_radix4_instance_f32 *pCfft;        /**< points to the complex FFT instance. */
+  } arm_rfft_instance_f32;
+
+  /**
+   * @brief Processing function for the Q15 RFFT/RIFFT.
+   * @param[in]  *S    points to an instance of the Q15 RFFT/RIFFT structure.
+   * @param[in]  *pSrc points to the input buffer.
+   * @param[out] *pDst points to the output buffer.
+   * @return none.
+   */
+
+  void arm_rfft_q15(
+  const arm_rfft_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst);
+
+  /**
+   * @brief  Initialization function for the Q15 RFFT/RIFFT.
+   * @param[in, out] *S             points to an instance of the Q15 RFFT/RIFFT structure.
+   * @param[in]      *S_CFFT        points to an instance of the Q15 CFFT/CIFFT structure.
+   * @param[in]      fftLenReal     length of the FFT.
+   * @param[in]      ifftFlagR      flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform.
+   * @param[in]      bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
+   * @return		The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLenReal is not a supported value.
+   */
+
+  arm_status arm_rfft_init_q15(
+  arm_rfft_instance_q15 * S,
+  arm_cfft_radix4_instance_q15 * S_CFFT,
+  uint32_t fftLenReal,
+  uint32_t ifftFlagR,
+  uint32_t bitReverseFlag);
+
+  /**
+   * @brief Processing function for the Q31 RFFT/RIFFT.
+   * @param[in]  *S    points to an instance of the Q31 RFFT/RIFFT structure.
+   * @param[in]  *pSrc points to the input buffer.
+   * @param[out] *pDst points to the output buffer.
+   * @return none.
+   */
+
+  void arm_rfft_q31(
+  const arm_rfft_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst);
+
+  /**
+   * @brief  Initialization function for the Q31 RFFT/RIFFT.
+   * @param[in, out] *S             points to an instance of the Q31 RFFT/RIFFT structure.
+   * @param[in, out] *S_CFFT        points to an instance of the Q31 CFFT/CIFFT structure.
+   * @param[in]      fftLenReal     length of the FFT.
+   * @param[in]      ifftFlagR      flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform.
+   * @param[in]      bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
+   * @return		The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLenReal is not a supported value.
+   */
+
+  arm_status arm_rfft_init_q31(
+  arm_rfft_instance_q31 * S,
+  arm_cfft_radix4_instance_q31 * S_CFFT,
+  uint32_t fftLenReal,
+  uint32_t ifftFlagR,
+  uint32_t bitReverseFlag);
+
+  /**
+   * @brief  Initialization function for the floating-point RFFT/RIFFT.
+   * @param[in,out] *S             points to an instance of the floating-point RFFT/RIFFT structure.
+   * @param[in,out] *S_CFFT        points to an instance of the floating-point CFFT/CIFFT structure.
+   * @param[in]     fftLenReal     length of the FFT.
+   * @param[in]     ifftFlagR      flag that selects forward (ifftFlagR=0) or inverse (ifftFlagR=1) transform.
+   * @param[in]     bitReverseFlag flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output.
+   * @return		The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLenReal is not a supported value.
+   */
+
+  arm_status arm_rfft_init_f32(
+  arm_rfft_instance_f32 * S,
+  arm_cfft_radix4_instance_f32 * S_CFFT,
+  uint32_t fftLenReal,
+  uint32_t ifftFlagR,
+  uint32_t bitReverseFlag);
+
+  /**
+   * @brief Processing function for the floating-point RFFT/RIFFT.
+   * @param[in]  *S    points to an instance of the floating-point RFFT/RIFFT structure.
+   * @param[in]  *pSrc points to the input buffer.
+   * @param[out] *pDst points to the output buffer.
+   * @return none.
+   */
+
+  void arm_rfft_f32(
+  const arm_rfft_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst);
+
+  /**
+   * @brief Instance structure for the floating-point DCT4/IDCT4 function.
+   */
+
+  typedef struct
+  {
+    uint16_t N;                         /**< length of the DCT4. */
+    uint16_t Nby2;                      /**< half of the length of the DCT4. */
+    float32_t normalize;                /**< normalizing factor. */
+    float32_t *pTwiddle;                /**< points to the twiddle factor table. */
+    float32_t *pCosFactor;              /**< points to the cosFactor table. */
+    arm_rfft_instance_f32 *pRfft;        /**< points to the real FFT instance. */
+    arm_cfft_radix4_instance_f32 *pCfft; /**< points to the complex FFT instance. */
+  } arm_dct4_instance_f32;
+
+  /**
+   * @brief  Initialization function for the floating-point DCT4/IDCT4.
+   * @param[in,out] *S         points to an instance of floating-point DCT4/IDCT4 structure.
+   * @param[in]     *S_RFFT    points to an instance of floating-point RFFT/RIFFT structure.
+   * @param[in]     *S_CFFT    points to an instance of floating-point CFFT/CIFFT structure.
+   * @param[in]     N          length of the DCT4.
+   * @param[in]     Nby2       half of the length of the DCT4.
+   * @param[in]     normalize  normalizing factor.
+   * @return		arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if fftLenReal is not a supported transform length.
+   */
+
+  arm_status arm_dct4_init_f32(
+  arm_dct4_instance_f32 * S,
+  arm_rfft_instance_f32 * S_RFFT,
+  arm_cfft_radix4_instance_f32 * S_CFFT,
+  uint16_t N,
+  uint16_t Nby2,
+  float32_t normalize);
+
+  /**
+   * @brief Processing function for the floating-point DCT4/IDCT4.
+   * @param[in]       *S             points to an instance of the floating-point DCT4/IDCT4 structure.
+   * @param[in]       *pState        points to state buffer.
+   * @param[in,out]   *pInlineBuffer points to the in-place input and output buffer.
+   * @return none.
+   */
+
+  void arm_dct4_f32(
+  const arm_dct4_instance_f32 * S,
+  float32_t * pState,
+  float32_t * pInlineBuffer);
+
+  /**
+   * @brief Instance structure for the Q31 DCT4/IDCT4 function.
+   */
+
+  typedef struct
+  {
+    uint16_t N;                         /**< length of the DCT4. */
+    uint16_t Nby2;                      /**< half of the length of the DCT4. */
+    q31_t normalize;                    /**< normalizing factor. */
+    q31_t *pTwiddle;                    /**< points to the twiddle factor table. */
+    q31_t *pCosFactor;                  /**< points to the cosFactor table. */
+    arm_rfft_instance_q31 *pRfft;        /**< points to the real FFT instance. */
+    arm_cfft_radix4_instance_q31 *pCfft; /**< points to the complex FFT instance. */
+  } arm_dct4_instance_q31;
+
+  /**
+   * @brief  Initialization function for the Q31 DCT4/IDCT4.
+   * @param[in,out] *S         points to an instance of Q31 DCT4/IDCT4 structure.
+   * @param[in]     *S_RFFT    points to an instance of Q31 RFFT/RIFFT structure
+   * @param[in]     *S_CFFT    points to an instance of Q31 CFFT/CIFFT structure
+   * @param[in]     N          length of the DCT4.
+   * @param[in]     Nby2       half of the length of the DCT4.
+   * @param[in]     normalize  normalizing factor.
+   * @return		arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if N is not a supported transform length.
+   */
+
+  arm_status arm_dct4_init_q31(
+  arm_dct4_instance_q31 * S,
+  arm_rfft_instance_q31 * S_RFFT,
+  arm_cfft_radix4_instance_q31 * S_CFFT,
+  uint16_t N,
+  uint16_t Nby2,
+  q31_t normalize);
+
+  /**
+   * @brief Processing function for the Q31 DCT4/IDCT4.
+   * @param[in]       *S             points to an instance of the Q31 DCT4 structure.
+   * @param[in]       *pState        points to state buffer.
+   * @param[in,out]   *pInlineBuffer points to the in-place input and output buffer.
+   * @return none.
+   */
+
+  void arm_dct4_q31(
+  const arm_dct4_instance_q31 * S,
+  q31_t * pState,
+  q31_t * pInlineBuffer);
+
+  /**
+   * @brief Instance structure for the Q15 DCT4/IDCT4 function.
+   */
+
+  typedef struct
+  {
+    uint16_t N;                         /**< length of the DCT4. */
+    uint16_t Nby2;                      /**< half of the length of the DCT4. */
+    q15_t normalize;                    /**< normalizing factor. */
+    q15_t *pTwiddle;                    /**< points to the twiddle factor table. */
+    q15_t *pCosFactor;                  /**< points to the cosFactor table. */
+    arm_rfft_instance_q15 *pRfft;        /**< points to the real FFT instance. */
+    arm_cfft_radix4_instance_q15 *pCfft; /**< points to the complex FFT instance. */
+  } arm_dct4_instance_q15;
+
+  /**
+   * @brief  Initialization function for the Q15 DCT4/IDCT4.
+   * @param[in,out] *S         points to an instance of Q15 DCT4/IDCT4 structure.
+   * @param[in]     *S_RFFT    points to an instance of Q15 RFFT/RIFFT structure.
+   * @param[in]     *S_CFFT    points to an instance of Q15 CFFT/CIFFT structure.
+   * @param[in]     N          length of the DCT4.
+   * @param[in]     Nby2       half of the length of the DCT4.
+   * @param[in]     normalize  normalizing factor.
+   * @return		arm_status function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_ARGUMENT_ERROR if N is not a supported transform length.
+   */
+
+  arm_status arm_dct4_init_q15(
+  arm_dct4_instance_q15 * S,
+  arm_rfft_instance_q15 * S_RFFT,
+  arm_cfft_radix4_instance_q15 * S_CFFT,
+  uint16_t N,
+  uint16_t Nby2,
+  q15_t normalize);
+
+  /**
+   * @brief Processing function for the Q15 DCT4/IDCT4.
+   * @param[in]       *S             points to an instance of the Q15 DCT4 structure.
+   * @param[in]       *pState        points to state buffer.
+   * @param[in,out]   *pInlineBuffer points to the in-place input and output buffer.
+   * @return none.
+   */
+
+  void arm_dct4_q15(
+  const arm_dct4_instance_q15 * S,
+  q15_t * pState,
+  q15_t * pInlineBuffer);
+
+  /**
+   * @brief Floating-point vector addition.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[out]      *pDst points to the output vector
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_add_f32(
+  float32_t * pSrcA,
+  float32_t * pSrcB,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Q7 vector addition.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[out]      *pDst points to the output vector
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_add_q7(
+  q7_t * pSrcA,
+  q7_t * pSrcB,
+  q7_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Q15 vector addition.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[out]      *pDst points to the output vector
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_add_q15(
+  q15_t * pSrcA,
+  q15_t * pSrcB,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Q31 vector addition.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[out]      *pDst points to the output vector
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_add_q31(
+  q31_t * pSrcA,
+  q31_t * pSrcB,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Floating-point vector subtraction.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[out]      *pDst points to the output vector
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_sub_f32(
+  float32_t * pSrcA,
+  float32_t * pSrcB,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Q7 vector subtraction.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[out]      *pDst points to the output vector
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_sub_q7(
+  q7_t * pSrcA,
+  q7_t * pSrcB,
+  q7_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Q15 vector subtraction.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[out]      *pDst points to the output vector
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_sub_q15(
+  q15_t * pSrcA,
+  q15_t * pSrcB,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Q31 vector subtraction.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[out]      *pDst points to the output vector
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_sub_q31(
+  q31_t * pSrcA,
+  q31_t * pSrcB,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Multiplies a floating-point vector by a scalar.
+   * @param[in]       *pSrc points to the input vector
+   * @param[in]       scale scale factor to be applied
+   * @param[out]      *pDst points to the output vector
+   * @param[in]       blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_scale_f32(
+  float32_t * pSrc,
+  float32_t scale,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Multiplies a Q7 vector by a scalar.
+   * @param[in]       *pSrc points to the input vector
+   * @param[in]       scaleFract fractional portion of the scale value
+   * @param[in]       shift number of bits to shift the result by
+   * @param[out]      *pDst points to the output vector
+   * @param[in]       blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_scale_q7(
+  q7_t * pSrc,
+  q7_t scaleFract,
+  int8_t shift,
+  q7_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Multiplies a Q15 vector by a scalar.
+   * @param[in]       *pSrc points to the input vector
+   * @param[in]       scaleFract fractional portion of the scale value
+   * @param[in]       shift number of bits to shift the result by
+   * @param[out]      *pDst points to the output vector
+   * @param[in]       blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_scale_q15(
+  q15_t * pSrc,
+  q15_t scaleFract,
+  int8_t shift,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Multiplies a Q31 vector by a scalar.
+   * @param[in]       *pSrc points to the input vector
+   * @param[in]       scaleFract fractional portion of the scale value
+   * @param[in]       shift number of bits to shift the result by
+   * @param[out]      *pDst points to the output vector
+   * @param[in]       blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_scale_q31(
+  q31_t * pSrc,
+  q31_t scaleFract,
+  int8_t shift,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Q7 vector absolute value.
+   * @param[in]       *pSrc points to the input buffer
+   * @param[out]      *pDst points to the output buffer
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_abs_q7(
+  q7_t * pSrc,
+  q7_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Floating-point vector absolute value.
+   * @param[in]       *pSrc points to the input buffer
+   * @param[out]      *pDst points to the output buffer
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_abs_f32(
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Q15 vector absolute value.
+   * @param[in]       *pSrc points to the input buffer
+   * @param[out]      *pDst points to the output buffer
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_abs_q15(
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Q31 vector absolute value.
+   * @param[in]       *pSrc points to the input buffer
+   * @param[out]      *pDst points to the output buffer
+   * @param[in]       blockSize number of samples in each vector
+   * @return none.
+   */
+
+  void arm_abs_q31(
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Dot product of floating-point vectors.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[in]       blockSize number of samples in each vector
+   * @param[out]      *result output result returned here
+   * @return none.
+   */
+
+  void arm_dot_prod_f32(
+  float32_t * pSrcA,
+  float32_t * pSrcB,
+  uint32_t blockSize,
+  float32_t * result);
+
+  /**
+   * @brief Dot product of Q7 vectors.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[in]       blockSize number of samples in each vector
+   * @param[out]      *result output result returned here
+   * @return none.
+   */
+
+  void arm_dot_prod_q7(
+  q7_t * pSrcA,
+  q7_t * pSrcB,
+  uint32_t blockSize,
+  q31_t * result);
+
+  /**
+   * @brief Dot product of Q15 vectors.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[in]       blockSize number of samples in each vector
+   * @param[out]      *result output result returned here
+   * @return none.
+   */
+
+  void arm_dot_prod_q15(
+  q15_t * pSrcA,
+  q15_t * pSrcB,
+  uint32_t blockSize,
+  q63_t * result);
+
+  /**
+   * @brief Dot product of Q31 vectors.
+   * @param[in]       *pSrcA points to the first input vector
+   * @param[in]       *pSrcB points to the second input vector
+   * @param[in]       blockSize number of samples in each vector
+   * @param[out]      *result output result returned here
+   * @return none.
+   */
+
+  void arm_dot_prod_q31(
+  q31_t * pSrcA,
+  q31_t * pSrcB,
+  uint32_t blockSize,
+  q63_t * result);
+
+  /**
+   * @brief  Shifts the elements of a Q7 vector a specified number of bits.
+   * @param[in]  *pSrc points to the input vector
+   * @param[in]  shiftBits number of bits to shift.  A positive value shifts left; a negative value shifts right.
+   * @param[out]  *pDst points to the output vector
+   * @param[in]  blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_shift_q7(
+  q7_t * pSrc,
+  int8_t shiftBits,
+  q7_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Shifts the elements of a Q15 vector a specified number of bits.
+   * @param[in]  *pSrc points to the input vector
+   * @param[in]  shiftBits number of bits to shift.  A positive value shifts left; a negative value shifts right.
+   * @param[out]  *pDst points to the output vector
+   * @param[in]  blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_shift_q15(
+  q15_t * pSrc,
+  int8_t shiftBits,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Shifts the elements of a Q31 vector a specified number of bits.
+   * @param[in]  *pSrc points to the input vector
+   * @param[in]  shiftBits number of bits to shift.  A positive value shifts left; a negative value shifts right.
+   * @param[out]  *pDst points to the output vector
+   * @param[in]  blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_shift_q31(
+  q31_t * pSrc,
+  int8_t shiftBits,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Adds a constant offset to a floating-point vector.
+   * @param[in]  *pSrc points to the input vector
+   * @param[in]  offset is the offset to be added
+   * @param[out]  *pDst points to the output vector
+   * @param[in]  blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_offset_f32(
+  float32_t * pSrc,
+  float32_t offset,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Adds a constant offset to a Q7 vector.
+   * @param[in]  *pSrc points to the input vector
+   * @param[in]  offset is the offset to be added
+   * @param[out]  *pDst points to the output vector
+   * @param[in]  blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_offset_q7(
+  q7_t * pSrc,
+  q7_t offset,
+  q7_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Adds a constant offset to a Q15 vector.
+   * @param[in]  *pSrc points to the input vector
+   * @param[in]  offset is the offset to be added
+   * @param[out]  *pDst points to the output vector
+   * @param[in]  blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_offset_q15(
+  q15_t * pSrc,
+  q15_t offset,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Adds a constant offset to a Q31 vector.
+   * @param[in]  *pSrc points to the input vector
+   * @param[in]  offset is the offset to be added
+   * @param[out]  *pDst points to the output vector
+   * @param[in]  blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_offset_q31(
+  q31_t * pSrc,
+  q31_t offset,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Negates the elements of a floating-point vector.
+   * @param[in]  *pSrc points to the input vector
+   * @param[out]  *pDst points to the output vector
+   * @param[in]  blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_negate_f32(
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Negates the elements of a Q7 vector.
+   * @param[in]  *pSrc points to the input vector
+   * @param[out]  *pDst points to the output vector
+   * @param[in]  blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_negate_q7(
+  q7_t * pSrc,
+  q7_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Negates the elements of a Q15 vector.
+   * @param[in]  *pSrc points to the input vector
+   * @param[out]  *pDst points to the output vector
+   * @param[in]  blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_negate_q15(
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Negates the elements of a Q31 vector.
+   * @param[in]  *pSrc points to the input vector
+   * @param[out]  *pDst points to the output vector
+   * @param[in]  blockSize number of samples in the vector
+   * @return none.
+   */
+
+  void arm_negate_q31(
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+  /**
+   * @brief  Copies the elements of a floating-point vector. 
+   * @param[in]  *pSrc input pointer
+   * @param[out]  *pDst output pointer
+   * @param[in]  blockSize number of samples to process
+   * @return none.
+   */
+  void arm_copy_f32(
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Copies the elements of a Q7 vector. 
+   * @param[in]  *pSrc input pointer
+   * @param[out]  *pDst output pointer
+   * @param[in]  blockSize number of samples to process
+   * @return none.
+   */
+  void arm_copy_q7(
+  q7_t * pSrc,
+  q7_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Copies the elements of a Q15 vector. 
+   * @param[in]  *pSrc input pointer
+   * @param[out]  *pDst output pointer
+   * @param[in]  blockSize number of samples to process
+   * @return none.
+   */
+  void arm_copy_q15(
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Copies the elements of a Q31 vector. 
+   * @param[in]  *pSrc input pointer
+   * @param[out]  *pDst output pointer
+   * @param[in]  blockSize number of samples to process
+   * @return none.
+   */
+  void arm_copy_q31(
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+  /**
+   * @brief  Fills a constant value into a floating-point vector. 
+   * @param[in]  value input value to be filled
+   * @param[out]  *pDst output pointer
+   * @param[in]  blockSize number of samples to process
+   * @return none.
+   */
+  void arm_fill_f32(
+  float32_t value,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Fills a constant value into a Q7 vector. 
+   * @param[in]  value input value to be filled
+   * @param[out]  *pDst output pointer
+   * @param[in]  blockSize number of samples to process
+   * @return none.
+   */
+  void arm_fill_q7(
+  q7_t value,
+  q7_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Fills a constant value into a Q15 vector. 
+   * @param[in]  value input value to be filled
+   * @param[out]  *pDst output pointer
+   * @param[in]  blockSize number of samples to process
+   * @return none.
+   */
+  void arm_fill_q15(
+  q15_t value,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Fills a constant value into a Q31 vector. 
+   * @param[in]  value input value to be filled
+   * @param[out]  *pDst output pointer
+   * @param[in]  blockSize number of samples to process
+   * @return none.
+   */
+  void arm_fill_q31(
+  q31_t value,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+/**  
+ * @brief Convolution of floating-point sequences.  
+ * @param[in] *pSrcA points to the first input sequence.  
+ * @param[in] srcALen length of the first input sequence.  
+ * @param[in] *pSrcB points to the second input sequence.  
+ * @param[in] srcBLen length of the second input sequence.  
+ * @param[out] *pDst points to the location where the output result is written.  Length srcALen+srcBLen-1.  
+ * @return none.  
+ */
+
+  void arm_conv_f32(
+  float32_t * pSrcA,
+  uint32_t srcALen,
+  float32_t * pSrcB,
+  uint32_t srcBLen,
+  float32_t * pDst);
+
+  
+  /**   
+   * @brief Convolution of Q15 sequences.   
+   * @param[in] *pSrcA points to the first input sequence.   
+   * @param[in] srcALen length of the first input sequence.   
+   * @param[in] *pSrcB points to the second input sequence.   
+   * @param[in] srcBLen length of the second input sequence.   
+   * @param[out] *pDst points to the block of output data  Length srcALen+srcBLen-1.   
+   * @param[in]  *pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.   
+   * @param[in]  *pScratch2 points to scratch buffer of size min(srcALen, srcBLen).   
+   * @return none.   
+   */
+
+
+  void arm_conv_opt_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  q15_t * pScratch1,
+  q15_t * pScratch2);
+
+
+/**  
+ * @brief Convolution of Q15 sequences.  
+ * @param[in] *pSrcA points to the first input sequence.  
+ * @param[in] srcALen length of the first input sequence.  
+ * @param[in] *pSrcB points to the second input sequence.  
+ * @param[in] srcBLen length of the second input sequence.  
+ * @param[out] *pDst points to the location where the output result is written.  Length srcALen+srcBLen-1.  
+ * @return none.  
+ */
+
+  void arm_conv_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst);
+
+  /**
+   * @brief Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
+   * @param[in] *pSrcA points to the first input sequence.
+   * @param[in] srcALen length of the first input sequence.
+   * @param[in] *pSrcB points to the second input sequence.
+   * @param[in] srcBLen length of the second input sequence.
+   * @param[out] *pDst points to the block of output data  Length srcALen+srcBLen-1.
+   * @return none.
+   */
+
+  void arm_conv_fast_q15(
+			  q15_t * pSrcA,
+			 uint32_t srcALen,
+			  q15_t * pSrcB,
+			 uint32_t srcBLen,
+			 q15_t * pDst);
+
+  /**
+   * @brief Convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
+   * @param[in] *pSrcA points to the first input sequence.
+   * @param[in] srcALen length of the first input sequence.
+   * @param[in] *pSrcB points to the second input sequence.
+   * @param[in] srcBLen length of the second input sequence.
+   * @param[out] *pDst points to the block of output data  Length srcALen+srcBLen-1.
+   * @param[in]  *pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.   
+   * @param[in]  *pScratch2 points to scratch buffer of size min(srcALen, srcBLen).   
+   * @return none.   
+   */
+
+  void arm_conv_fast_opt_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  q15_t * pScratch1,
+  q15_t * pScratch2);
+
+
+
+  /**
+   * @brief Convolution of Q31 sequences.
+   * @param[in] *pSrcA points to the first input sequence.
+   * @param[in] srcALen length of the first input sequence.
+   * @param[in] *pSrcB points to the second input sequence.
+   * @param[in] srcBLen length of the second input sequence.
+   * @param[out] *pDst points to the block of output data  Length srcALen+srcBLen-1.
+   * @return none.
+   */
+
+  void arm_conv_q31(
+  q31_t * pSrcA,
+  uint32_t srcALen,
+  q31_t * pSrcB,
+  uint32_t srcBLen,
+  q31_t * pDst);
+
+  /**
+   * @brief Convolution of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
+   * @param[in] *pSrcA points to the first input sequence.
+   * @param[in] srcALen length of the first input sequence.
+   * @param[in] *pSrcB points to the second input sequence.
+   * @param[in] srcBLen length of the second input sequence.
+   * @param[out] *pDst points to the block of output data  Length srcALen+srcBLen-1.
+   * @return none.
+   */
+
+  void arm_conv_fast_q31(
+  q31_t * pSrcA,
+  uint32_t srcALen,
+  q31_t * pSrcB,
+  uint32_t srcBLen,
+  q31_t * pDst);
+
+
+    /**   
+   * @brief Convolution of Q7 sequences.   
+   * @param[in] *pSrcA points to the first input sequence.   
+   * @param[in] srcALen length of the first input sequence.   
+   * @param[in] *pSrcB points to the second input sequence.   
+   * @param[in] srcBLen length of the second input sequence.   
+   * @param[out] *pDst points to the block of output data  Length srcALen+srcBLen-1.   
+   * @param[in]  *pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.   
+   * @param[in]  *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).   
+   * @return none.   
+   */
+
+  void arm_conv_opt_q7(
+  q7_t * pSrcA,
+  uint32_t srcALen,
+  q7_t * pSrcB,
+  uint32_t srcBLen,
+  q7_t * pDst,
+  q15_t * pScratch1,
+  q15_t * pScratch2);
+
+
+
+  /**
+   * @brief Convolution of Q7 sequences.
+   * @param[in] *pSrcA points to the first input sequence.
+   * @param[in] srcALen length of the first input sequence.
+   * @param[in] *pSrcB points to the second input sequence.
+   * @param[in] srcBLen length of the second input sequence.
+   * @param[out] *pDst points to the block of output data  Length srcALen+srcBLen-1.
+   * @return none.
+   */
+
+  void arm_conv_q7(
+  q7_t * pSrcA,
+  uint32_t srcALen,
+  q7_t * pSrcB,
+  uint32_t srcBLen,
+  q7_t * pDst);
+
+
+  /**
+   * @brief Partial convolution of floating-point sequences.
+   * @param[in]       *pSrcA points to the first input sequence.
+   * @param[in]       srcALen length of the first input sequence.
+   * @param[in]       *pSrcB points to the second input sequence.
+   * @param[in]       srcBLen length of the second input sequence.
+   * @param[out]      *pDst points to the block of output data
+   * @param[in]       firstIndex is the first output sample to start with.
+   * @param[in]       numPoints is the number of output points to be computed.
+   * @return  Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+   */
+
+  arm_status arm_conv_partial_f32(
+  float32_t * pSrcA,
+  uint32_t srcALen,
+  float32_t * pSrcB,
+  uint32_t srcBLen,
+  float32_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints);
+
+    /**   
+   * @brief Partial convolution of Q15 sequences.   
+   * @param[in]       *pSrcA points to the first input sequence.   
+   * @param[in]       srcALen length of the first input sequence.   
+   * @param[in]       *pSrcB points to the second input sequence.   
+   * @param[in]       srcBLen length of the second input sequence.   
+   * @param[out]      *pDst points to the block of output data   
+   * @param[in]       firstIndex is the first output sample to start with.   
+   * @param[in]       numPoints is the number of output points to be computed.   
+   * @param[in]       * pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.   
+   * @param[in]       * pScratch2 points to scratch buffer of size min(srcALen, srcBLen).   
+   * @return  Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].   
+   */
+
+  arm_status arm_conv_partial_opt_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints,
+  q15_t * pScratch1,
+  q15_t * pScratch2);
+
+
+/**
+   * @brief Partial convolution of Q15 sequences.
+   * @param[in]       *pSrcA points to the first input sequence.
+   * @param[in]       srcALen length of the first input sequence.
+   * @param[in]       *pSrcB points to the second input sequence.
+   * @param[in]       srcBLen length of the second input sequence.
+   * @param[out]      *pDst points to the block of output data
+   * @param[in]       firstIndex is the first output sample to start with.
+   * @param[in]       numPoints is the number of output points to be computed.
+   * @return  Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+   */
+
+  arm_status arm_conv_partial_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints);
+
+  /**
+   * @brief Partial convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
+   * @param[in]       *pSrcA points to the first input sequence.
+   * @param[in]       srcALen length of the first input sequence.
+   * @param[in]       *pSrcB points to the second input sequence.
+   * @param[in]       srcBLen length of the second input sequence.
+   * @param[out]      *pDst points to the block of output data
+   * @param[in]       firstIndex is the first output sample to start with.
+   * @param[in]       numPoints is the number of output points to be computed.
+   * @return  Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+   */
+
+  arm_status arm_conv_partial_fast_q15(
+				        q15_t * pSrcA,
+				       uint32_t srcALen,
+				        q15_t * pSrcB,
+				       uint32_t srcBLen,
+				       q15_t * pDst,
+				       uint32_t firstIndex,
+				       uint32_t numPoints);
+
+
+  /**
+   * @brief Partial convolution of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4
+   * @param[in]       *pSrcA points to the first input sequence.
+   * @param[in]       srcALen length of the first input sequence.
+   * @param[in]       *pSrcB points to the second input sequence.
+   * @param[in]       srcBLen length of the second input sequence.
+   * @param[out]      *pDst points to the block of output data
+   * @param[in]       firstIndex is the first output sample to start with.
+   * @param[in]       numPoints is the number of output points to be computed.
+   * @param[in]       * pScratch1 points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.   
+   * @param[in]       * pScratch2 points to scratch buffer of size min(srcALen, srcBLen).   
+   * @return  Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].   
+   */
+
+  arm_status arm_conv_partial_fast_opt_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints,
+  q15_t * pScratch1,
+  q15_t * pScratch2);
+
+
+  /**
+   * @brief Partial convolution of Q31 sequences.
+   * @param[in]       *pSrcA points to the first input sequence.
+   * @param[in]       srcALen length of the first input sequence.
+   * @param[in]       *pSrcB points to the second input sequence.
+   * @param[in]       srcBLen length of the second input sequence.
+   * @param[out]      *pDst points to the block of output data
+   * @param[in]       firstIndex is the first output sample to start with.
+   * @param[in]       numPoints is the number of output points to be computed.
+   * @return  Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+   */
+
+  arm_status arm_conv_partial_q31(
+  q31_t * pSrcA,
+  uint32_t srcALen,
+  q31_t * pSrcB,
+  uint32_t srcBLen,
+  q31_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints);
+
+
+  /**
+   * @brief Partial convolution of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
+   * @param[in]       *pSrcA points to the first input sequence.
+   * @param[in]       srcALen length of the first input sequence.
+   * @param[in]       *pSrcB points to the second input sequence.
+   * @param[in]       srcBLen length of the second input sequence.
+   * @param[out]      *pDst points to the block of output data
+   * @param[in]       firstIndex is the first output sample to start with.
+   * @param[in]       numPoints is the number of output points to be computed.
+   * @return  Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+   */
+
+  arm_status arm_conv_partial_fast_q31(
+  q31_t * pSrcA,
+  uint32_t srcALen,
+  q31_t * pSrcB,
+  uint32_t srcBLen,
+  q31_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints);
+
+
+  /**   
+   * @brief Partial convolution of Q7 sequences   
+   * @param[in]       *pSrcA points to the first input sequence.   
+   * @param[in]       srcALen length of the first input sequence.   
+   * @param[in]       *pSrcB points to the second input sequence.   
+   * @param[in]       srcBLen length of the second input sequence.   
+   * @param[out]      *pDst points to the block of output data   
+   * @param[in]       firstIndex is the first output sample to start with.   
+   * @param[in]       numPoints is the number of output points to be computed.   
+   * @param[in]  *pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.   
+   * @param[in]  *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).   
+   * @return  Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].   
+   */
+
+  arm_status arm_conv_partial_opt_q7(
+  q7_t * pSrcA,
+  uint32_t srcALen,
+  q7_t * pSrcB,
+  uint32_t srcBLen,
+  q7_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints,
+  q15_t * pScratch1,
+  q15_t * pScratch2);
+
+
+/**
+   * @brief Partial convolution of Q7 sequences.
+   * @param[in]       *pSrcA points to the first input sequence.
+   * @param[in]       srcALen length of the first input sequence.
+   * @param[in]       *pSrcB points to the second input sequence.
+   * @param[in]       srcBLen length of the second input sequence.
+   * @param[out]      *pDst points to the block of output data
+   * @param[in]       firstIndex is the first output sample to start with.
+   * @param[in]       numPoints is the number of output points to be computed.
+   * @return  Returns either ARM_MATH_SUCCESS if the function completed correctly or ARM_MATH_ARGUMENT_ERROR if the requested subset is not in the range [0 srcALen+srcBLen-2].
+   */
+
+  arm_status arm_conv_partial_q7(
+  q7_t * pSrcA,
+  uint32_t srcALen,
+  q7_t * pSrcB,
+  uint32_t srcBLen,
+  q7_t * pDst,
+  uint32_t firstIndex,
+  uint32_t numPoints);
+
+
+
+  /**
+   * @brief Instance structure for the Q15 FIR decimator.
+   */
+
+  typedef struct
+  {
+    uint8_t M;                      /**< decimation factor. */
+    uint16_t numTaps;               /**< number of coefficients in the filter. */
+    q15_t *pCoeffs;                  /**< points to the coefficient array. The array is of length numTaps.*/
+    q15_t *pState;                   /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+  } arm_fir_decimate_instance_q15;
+
+  /**
+   * @brief Instance structure for the Q31 FIR decimator.
+   */
+
+  typedef struct
+  {
+    uint8_t M;                  /**< decimation factor. */
+    uint16_t numTaps;           /**< number of coefficients in the filter. */
+    q31_t *pCoeffs;              /**< points to the coefficient array. The array is of length numTaps.*/
+    q31_t *pState;               /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+
+  } arm_fir_decimate_instance_q31;
+
+  /**
+   * @brief Instance structure for the floating-point FIR decimator.
+   */
+
+  typedef struct
+  {
+    uint8_t M;                          /**< decimation factor. */
+    uint16_t numTaps;                   /**< number of coefficients in the filter. */
+    float32_t *pCoeffs;                  /**< points to the coefficient array. The array is of length numTaps.*/
+    float32_t *pState;                   /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+
+  } arm_fir_decimate_instance_f32;
+
+
+
+  /**
+   * @brief Processing function for the floating-point FIR decimator.
+   * @param[in] *S points to an instance of the floating-point FIR decimator structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data
+   * @param[in] blockSize number of input samples to process per call.
+   * @return none
+   */
+
+  void arm_fir_decimate_f32(
+  const arm_fir_decimate_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief  Initialization function for the floating-point FIR decimator.
+   * @param[in,out] *S points to an instance of the floating-point FIR decimator structure.
+   * @param[in] numTaps  number of coefficients in the filter.
+   * @param[in] M  decimation factor.
+   * @param[in] *pCoeffs points to the filter coefficients.
+   * @param[in] *pState points to the state buffer.
+   * @param[in] blockSize number of input samples to process per call.
+   * @return    The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+   * blockSize is not a multiple of M.
+   */
+
+  arm_status arm_fir_decimate_init_f32(
+  arm_fir_decimate_instance_f32 * S,
+  uint16_t numTaps,
+  uint8_t M,
+  float32_t * pCoeffs,
+  float32_t * pState,
+  uint32_t blockSize);
+
+  /**
+   * @brief Processing function for the Q15 FIR decimator.
+   * @param[in] *S points to an instance of the Q15 FIR decimator structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data
+   * @param[in] blockSize number of input samples to process per call.
+   * @return none
+   */
+
+  void arm_fir_decimate_q15(
+  const arm_fir_decimate_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Processing function for the Q15 FIR decimator (fast variant) for Cortex-M3 and Cortex-M4.
+   * @param[in] *S points to an instance of the Q15 FIR decimator structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data
+   * @param[in] blockSize number of input samples to process per call.
+   * @return none
+   */
+
+  void arm_fir_decimate_fast_q15(
+  const arm_fir_decimate_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+
+
+  /**
+   * @brief  Initialization function for the Q15 FIR decimator.
+   * @param[in,out] *S points to an instance of the Q15 FIR decimator structure.
+   * @param[in] numTaps  number of coefficients in the filter.
+   * @param[in] M  decimation factor.
+   * @param[in] *pCoeffs points to the filter coefficients.
+   * @param[in] *pState points to the state buffer.
+   * @param[in] blockSize number of input samples to process per call.
+   * @return    The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+   * blockSize is not a multiple of M.
+   */
+
+  arm_status arm_fir_decimate_init_q15(
+  arm_fir_decimate_instance_q15 * S,
+  uint16_t numTaps,
+  uint8_t M,
+  q15_t * pCoeffs,
+  q15_t * pState,
+  uint32_t blockSize);
+
+  /**
+   * @brief Processing function for the Q31 FIR decimator.
+   * @param[in] *S points to an instance of the Q31 FIR decimator structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data
+   * @param[in] blockSize number of input samples to process per call.
+   * @return none
+   */
+
+  void arm_fir_decimate_q31(
+  const arm_fir_decimate_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Processing function for the Q31 FIR decimator (fast variant) for Cortex-M3 and Cortex-M4.
+   * @param[in] *S points to an instance of the Q31 FIR decimator structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data
+   * @param[in] blockSize number of input samples to process per call.
+   * @return none
+   */
+
+  void arm_fir_decimate_fast_q31(
+  arm_fir_decimate_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief  Initialization function for the Q31 FIR decimator.
+   * @param[in,out] *S points to an instance of the Q31 FIR decimator structure.
+   * @param[in] numTaps  number of coefficients in the filter.
+   * @param[in] M  decimation factor.
+   * @param[in] *pCoeffs points to the filter coefficients.
+   * @param[in] *pState points to the state buffer.
+   * @param[in] blockSize number of input samples to process per call.
+   * @return    The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+   * blockSize is not a multiple of M.
+   */
+
+  arm_status arm_fir_decimate_init_q31(
+  arm_fir_decimate_instance_q31 * S,
+  uint16_t numTaps,
+  uint8_t M,
+  q31_t * pCoeffs,
+  q31_t * pState,
+  uint32_t blockSize);
+
+
+
+  /**
+   * @brief Instance structure for the Q15 FIR interpolator.
+   */
+
+  typedef struct
+  {
+    uint8_t L;                      /**< upsample factor. */
+    uint16_t phaseLength;           /**< length of each polyphase filter component. */
+    q15_t *pCoeffs;                 /**< points to the coefficient array. The array is of length L*phaseLength. */
+    q15_t *pState;                  /**< points to the state variable array. The array is of length blockSize+phaseLength-1. */
+  } arm_fir_interpolate_instance_q15;
+
+  /**
+   * @brief Instance structure for the Q31 FIR interpolator.
+   */
+
+  typedef struct
+  {
+    uint8_t L;                      /**< upsample factor. */
+    uint16_t phaseLength;           /**< length of each polyphase filter component. */
+    q31_t *pCoeffs;                  /**< points to the coefficient array. The array is of length L*phaseLength. */
+    q31_t *pState;                   /**< points to the state variable array. The array is of length blockSize+phaseLength-1. */
+  } arm_fir_interpolate_instance_q31;
+
+  /**
+   * @brief Instance structure for the floating-point FIR interpolator.
+   */
+
+  typedef struct
+  {
+    uint8_t L;                     /**< upsample factor. */
+    uint16_t phaseLength;          /**< length of each polyphase filter component. */
+    float32_t *pCoeffs;             /**< points to the coefficient array. The array is of length L*phaseLength. */
+    float32_t *pState;              /**< points to the state variable array. The array is of length phaseLength+numTaps-1. */
+  } arm_fir_interpolate_instance_f32;
+
+
+  /**
+   * @brief Processing function for the Q15 FIR interpolator.
+   * @param[in] *S        points to an instance of the Q15 FIR interpolator structure.
+   * @param[in] *pSrc     points to the block of input data.
+   * @param[out] *pDst    points to the block of output data.
+   * @param[in] blockSize number of input samples to process per call.
+   * @return none.
+   */
+
+  void arm_fir_interpolate_q15(
+  const arm_fir_interpolate_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief  Initialization function for the Q15 FIR interpolator.
+   * @param[in,out] *S        points to an instance of the Q15 FIR interpolator structure.
+   * @param[in]     L         upsample factor.
+   * @param[in]     numTaps   number of filter coefficients in the filter.
+   * @param[in]     *pCoeffs  points to the filter coefficient buffer.
+   * @param[in]     *pState   points to the state buffer.
+   * @param[in]     blockSize number of input samples to process per call.
+   * @return        The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+   * the filter length numTaps is not a multiple of the interpolation factor L.
+   */
+
+  arm_status arm_fir_interpolate_init_q15(
+  arm_fir_interpolate_instance_q15 * S,
+  uint8_t L,
+  uint16_t numTaps,
+  q15_t * pCoeffs,
+  q15_t * pState,
+  uint32_t blockSize);
+
+  /**
+   * @brief Processing function for the Q31 FIR interpolator.
+   * @param[in] *S        points to an instance of the Q15 FIR interpolator structure.
+   * @param[in] *pSrc     points to the block of input data.
+   * @param[out] *pDst    points to the block of output data.
+   * @param[in] blockSize number of input samples to process per call.
+   * @return none.
+   */
+
+  void arm_fir_interpolate_q31(
+  const arm_fir_interpolate_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Initialization function for the Q31 FIR interpolator.
+   * @param[in,out] *S        points to an instance of the Q31 FIR interpolator structure.
+   * @param[in]     L         upsample factor.
+   * @param[in]     numTaps   number of filter coefficients in the filter.
+   * @param[in]     *pCoeffs  points to the filter coefficient buffer.
+   * @param[in]     *pState   points to the state buffer.
+   * @param[in]     blockSize number of input samples to process per call.
+   * @return        The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+   * the filter length numTaps is not a multiple of the interpolation factor L.
+   */
+
+  arm_status arm_fir_interpolate_init_q31(
+  arm_fir_interpolate_instance_q31 * S,
+  uint8_t L,
+  uint16_t numTaps,
+  q31_t * pCoeffs,
+  q31_t * pState,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief Processing function for the floating-point FIR interpolator.
+   * @param[in] *S        points to an instance of the floating-point FIR interpolator structure.
+   * @param[in] *pSrc     points to the block of input data.
+   * @param[out] *pDst    points to the block of output data.
+   * @param[in] blockSize number of input samples to process per call.
+   * @return none.
+   */
+
+  void arm_fir_interpolate_f32(
+  const arm_fir_interpolate_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Initialization function for the floating-point FIR interpolator.
+   * @param[in,out] *S        points to an instance of the floating-point FIR interpolator structure.
+   * @param[in]     L         upsample factor.
+   * @param[in]     numTaps   number of filter coefficients in the filter.
+   * @param[in]     *pCoeffs  points to the filter coefficient buffer.
+   * @param[in]     *pState   points to the state buffer.
+   * @param[in]     blockSize number of input samples to process per call.
+   * @return        The function returns ARM_MATH_SUCCESS if initialization is successful or ARM_MATH_LENGTH_ERROR if
+   * the filter length numTaps is not a multiple of the interpolation factor L.
+   */
+
+  arm_status arm_fir_interpolate_init_f32(
+  arm_fir_interpolate_instance_f32 * S,
+  uint8_t L,
+  uint16_t numTaps,
+  float32_t * pCoeffs,
+  float32_t * pState,
+  uint32_t blockSize);
+
+  /**
+   * @brief Instance structure for the high precision Q31 Biquad cascade filter.
+   */
+
+  typedef struct
+  {
+    uint8_t numStages;       /**< number of 2nd order stages in the filter.  Overall order is 2*numStages. */
+    q63_t *pState;           /**< points to the array of state coefficients.  The array is of length 4*numStages. */
+    q31_t *pCoeffs;          /**< points to the array of coefficients.  The array is of length 5*numStages. */
+    uint8_t postShift;       /**< additional shift, in bits, applied to each output sample. */
+
+  } arm_biquad_cas_df1_32x64_ins_q31;
+
+
+  /**
+   * @param[in]  *S        points to an instance of the high precision Q31 Biquad cascade filter structure.
+   * @param[in]  *pSrc     points to the block of input data.
+   * @param[out] *pDst     points to the block of output data
+   * @param[in]  blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_biquad_cas_df1_32x64_q31(
+  const arm_biquad_cas_df1_32x64_ins_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+
+  /**
+   * @param[in,out] *S           points to an instance of the high precision Q31 Biquad cascade filter structure.
+   * @param[in]     numStages    number of 2nd order stages in the filter.
+   * @param[in]     *pCoeffs     points to the filter coefficients.
+   * @param[in]     *pState      points to the state buffer.
+   * @param[in]     postShift    shift to be applied to the output. Varies according to the coefficients format
+   * @return        none
+   */
+
+  void arm_biquad_cas_df1_32x64_init_q31(
+  arm_biquad_cas_df1_32x64_ins_q31 * S,
+  uint8_t numStages,
+  q31_t * pCoeffs,
+  q63_t * pState,
+  uint8_t postShift);
+
+
+
+  /**
+   * @brief Instance structure for the floating-point transposed direct form II Biquad cascade filter.
+   */
+
+  typedef struct
+  {
+    uint8_t numStages;         /**< number of 2nd order stages in the filter.  Overall order is 2*numStages. */
+    float32_t *pState;         /**< points to the array of state coefficients.  The array is of length 2*numStages. */
+    float32_t *pCoeffs;        /**< points to the array of coefficients.  The array is of length 5*numStages. */
+  } arm_biquad_cascade_df2T_instance_f32;
+
+
+  /**
+   * @brief Processing function for the floating-point transposed direct form II Biquad cascade filter.
+   * @param[in]  *S        points to an instance of the filter data structure.
+   * @param[in]  *pSrc     points to the block of input data.
+   * @param[out] *pDst     points to the block of output data
+   * @param[in]  blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_biquad_cascade_df2T_f32(
+  const arm_biquad_cascade_df2T_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief  Initialization function for the floating-point transposed direct form II Biquad cascade filter.
+   * @param[in,out] *S           points to an instance of the filter data structure.
+   * @param[in]     numStages    number of 2nd order stages in the filter.
+   * @param[in]     *pCoeffs     points to the filter coefficients.
+   * @param[in]     *pState      points to the state buffer.
+   * @return        none
+   */
+
+  void arm_biquad_cascade_df2T_init_f32(
+  arm_biquad_cascade_df2T_instance_f32 * S,
+  uint8_t numStages,
+  float32_t * pCoeffs,
+  float32_t * pState);
+
+
+
+  /**
+   * @brief Instance structure for the Q15 FIR lattice filter.
+   */
+
+  typedef struct
+  {
+    uint16_t numStages;                          /**< number of filter stages. */
+    q15_t *pState;                               /**< points to the state variable array. The array is of length numStages. */
+    q15_t *pCoeffs;                              /**< points to the coefficient array. The array is of length numStages. */
+  } arm_fir_lattice_instance_q15;
+
+  /**
+   * @brief Instance structure for the Q31 FIR lattice filter.
+   */
+
+  typedef struct
+  {
+    uint16_t numStages;                          /**< number of filter stages. */
+    q31_t *pState;                               /**< points to the state variable array. The array is of length numStages. */
+    q31_t *pCoeffs;                              /**< points to the coefficient array. The array is of length numStages. */
+  } arm_fir_lattice_instance_q31;
+
+  /**
+   * @brief Instance structure for the floating-point FIR lattice filter.
+   */
+
+  typedef struct
+  {
+    uint16_t numStages;                  /**< number of filter stages. */
+    float32_t *pState;                   /**< points to the state variable array. The array is of length numStages. */
+    float32_t *pCoeffs;                  /**< points to the coefficient array. The array is of length numStages. */
+  } arm_fir_lattice_instance_f32;
+
+  /**
+   * @brief Initialization function for the Q15 FIR lattice filter.
+   * @param[in] *S points to an instance of the Q15 FIR lattice structure.
+   * @param[in] numStages  number of filter stages.
+   * @param[in] *pCoeffs points to the coefficient buffer.  The array is of length numStages. 
+   * @param[in] *pState points to the state buffer.  The array is of length numStages. 
+   * @return none.
+   */
+
+  void arm_fir_lattice_init_q15(
+  arm_fir_lattice_instance_q15 * S,
+  uint16_t numStages,
+  q15_t * pCoeffs,
+  q15_t * pState);
+
+
+  /**
+   * @brief Processing function for the Q15 FIR lattice filter.
+   * @param[in] *S points to an instance of the Q15 FIR lattice structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+  void arm_fir_lattice_q15(
+  const arm_fir_lattice_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Initialization function for the Q31 FIR lattice filter.
+   * @param[in] *S points to an instance of the Q31 FIR lattice structure.
+   * @param[in] numStages  number of filter stages.
+   * @param[in] *pCoeffs points to the coefficient buffer.  The array is of length numStages.
+   * @param[in] *pState points to the state buffer.   The array is of length numStages.
+   * @return none.
+   */
+
+  void arm_fir_lattice_init_q31(
+  arm_fir_lattice_instance_q31 * S,
+  uint16_t numStages,
+  q31_t * pCoeffs,
+  q31_t * pState);
+
+
+  /**
+   * @brief Processing function for the Q31 FIR lattice filter.
+   * @param[in]  *S        points to an instance of the Q31 FIR lattice structure.
+   * @param[in]  *pSrc     points to the block of input data.
+   * @param[out] *pDst     points to the block of output data
+   * @param[in]  blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_fir_lattice_q31(
+  const arm_fir_lattice_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+/**
+ * @brief Initialization function for the floating-point FIR lattice filter.
+ * @param[in] *S points to an instance of the floating-point FIR lattice structure.
+ * @param[in] numStages  number of filter stages.
+ * @param[in] *pCoeffs points to the coefficient buffer.  The array is of length numStages.
+ * @param[in] *pState points to the state buffer.  The array is of length numStages.
+ * @return none.
+ */
+
+  void arm_fir_lattice_init_f32(
+  arm_fir_lattice_instance_f32 * S,
+  uint16_t numStages,
+  float32_t * pCoeffs,
+  float32_t * pState);
+
+  /**
+   * @brief Processing function for the floating-point FIR lattice filter.
+   * @param[in]  *S        points to an instance of the floating-point FIR lattice structure.
+   * @param[in]  *pSrc     points to the block of input data.
+   * @param[out] *pDst     points to the block of output data
+   * @param[in]  blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_fir_lattice_f32(
+  const arm_fir_lattice_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Instance structure for the Q15 IIR lattice filter.
+   */
+  typedef struct
+  {
+    uint16_t numStages;                         /**< number of stages in the filter. */
+    q15_t *pState;                              /**< points to the state variable array. The array is of length numStages+blockSize. */
+    q15_t *pkCoeffs;                            /**< points to the reflection coefficient array. The array is of length numStages. */
+    q15_t *pvCoeffs;                            /**< points to the ladder coefficient array. The array is of length numStages+1. */
+  } arm_iir_lattice_instance_q15;
+
+  /**
+   * @brief Instance structure for the Q31 IIR lattice filter.
+   */
+  typedef struct
+  {
+    uint16_t numStages;                         /**< number of stages in the filter. */
+    q31_t *pState;                              /**< points to the state variable array. The array is of length numStages+blockSize. */
+    q31_t *pkCoeffs;                            /**< points to the reflection coefficient array. The array is of length numStages. */
+    q31_t *pvCoeffs;                            /**< points to the ladder coefficient array. The array is of length numStages+1. */
+  } arm_iir_lattice_instance_q31;
+
+  /**
+   * @brief Instance structure for the floating-point IIR lattice filter.
+   */
+  typedef struct
+  {
+    uint16_t numStages;                         /**< number of stages in the filter. */
+    float32_t *pState;                          /**< points to the state variable array. The array is of length numStages+blockSize. */
+    float32_t *pkCoeffs;                        /**< points to the reflection coefficient array. The array is of length numStages. */
+    float32_t *pvCoeffs;                        /**< points to the ladder coefficient array. The array is of length numStages+1. */
+  } arm_iir_lattice_instance_f32;
+
+  /**
+   * @brief Processing function for the floating-point IIR lattice filter.
+   * @param[in] *S points to an instance of the floating-point IIR lattice structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_iir_lattice_f32(
+  const arm_iir_lattice_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Initialization function for the floating-point IIR lattice filter.
+   * @param[in] *S points to an instance of the floating-point IIR lattice structure.
+   * @param[in] numStages number of stages in the filter.
+   * @param[in] *pkCoeffs points to the reflection coefficient buffer.  The array is of length numStages.
+   * @param[in] *pvCoeffs points to the ladder coefficient buffer.  The array is of length numStages+1.
+   * @param[in] *pState points to the state buffer.  The array is of length numStages+blockSize-1.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_iir_lattice_init_f32(
+  arm_iir_lattice_instance_f32 * S,
+  uint16_t numStages,
+  float32_t * pkCoeffs,
+  float32_t * pvCoeffs,
+  float32_t * pState,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief Processing function for the Q31 IIR lattice filter.
+   * @param[in] *S points to an instance of the Q31 IIR lattice structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_iir_lattice_q31(
+  const arm_iir_lattice_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief Initialization function for the Q31 IIR lattice filter.
+   * @param[in] *S points to an instance of the Q31 IIR lattice structure.
+   * @param[in] numStages number of stages in the filter.
+   * @param[in] *pkCoeffs points to the reflection coefficient buffer.  The array is of length numStages.
+   * @param[in] *pvCoeffs points to the ladder coefficient buffer.  The array is of length numStages+1.
+   * @param[in] *pState points to the state buffer.  The array is of length numStages+blockSize.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_iir_lattice_init_q31(
+  arm_iir_lattice_instance_q31 * S,
+  uint16_t numStages,
+  q31_t * pkCoeffs,
+  q31_t * pvCoeffs,
+  q31_t * pState,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief Processing function for the Q15 IIR lattice filter.
+   * @param[in] *S points to an instance of the Q15 IIR lattice structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[out] *pDst points to the block of output data.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_iir_lattice_q15(
+  const arm_iir_lattice_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+
+/**
+ * @brief Initialization function for the Q15 IIR lattice filter.
+ * @param[in] *S points to an instance of the fixed-point Q15 IIR lattice structure.
+ * @param[in] numStages  number of stages in the filter.
+ * @param[in] *pkCoeffs points to reflection coefficient buffer.  The array is of length numStages.
+ * @param[in] *pvCoeffs points to ladder coefficient buffer.  The array is of length numStages+1.
+ * @param[in] *pState points to state buffer.  The array is of length numStages+blockSize.
+ * @param[in] blockSize number of samples to process per call.
+ * @return none.
+ */
+
+  void arm_iir_lattice_init_q15(
+  arm_iir_lattice_instance_q15 * S,
+  uint16_t numStages,
+  q15_t * pkCoeffs,
+  q15_t * pvCoeffs,
+  q15_t * pState,
+  uint32_t blockSize);
+
+  /**
+   * @brief Instance structure for the floating-point LMS filter.
+   */
+
+  typedef struct
+  {
+    uint16_t numTaps;    /**< number of coefficients in the filter. */
+    float32_t *pState;   /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+    float32_t *pCoeffs;  /**< points to the coefficient array. The array is of length numTaps. */
+    float32_t mu;        /**< step size that controls filter coefficient updates. */
+  } arm_lms_instance_f32;
+
+  /**
+   * @brief Processing function for floating-point LMS filter.
+   * @param[in]  *S points to an instance of the floating-point LMS filter structure.
+   * @param[in]  *pSrc points to the block of input data.
+   * @param[in]  *pRef points to the block of reference data.
+   * @param[out] *pOut points to the block of output data.
+   * @param[out] *pErr points to the block of error data.
+   * @param[in]  blockSize number of samples to process.
+   * @return     none.
+   */
+
+  void arm_lms_f32(
+  const arm_lms_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pRef,
+  float32_t * pOut,
+  float32_t * pErr,
+  uint32_t blockSize);
+
+  /**
+   * @brief Initialization function for floating-point LMS filter.
+   * @param[in] *S points to an instance of the floating-point LMS filter structure.
+   * @param[in] numTaps  number of filter coefficients.
+   * @param[in] *pCoeffs points to the coefficient buffer.
+   * @param[in] *pState points to state buffer.
+   * @param[in] mu step size that controls filter coefficient updates.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_lms_init_f32(
+  arm_lms_instance_f32 * S,
+  uint16_t numTaps,
+  float32_t * pCoeffs,
+  float32_t * pState,
+  float32_t mu,
+  uint32_t blockSize);
+
+  /**
+   * @brief Instance structure for the Q15 LMS filter.
+   */
+
+  typedef struct
+  {
+    uint16_t numTaps;    /**< number of coefficients in the filter. */
+    q15_t *pState;       /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+    q15_t *pCoeffs;      /**< points to the coefficient array. The array is of length numTaps. */
+    q15_t mu;            /**< step size that controls filter coefficient updates. */
+    uint32_t postShift;  /**< bit shift applied to coefficients. */
+  } arm_lms_instance_q15;
+
+
+  /**
+   * @brief Initialization function for the Q15 LMS filter.
+   * @param[in] *S points to an instance of the Q15 LMS filter structure.
+   * @param[in] numTaps  number of filter coefficients.
+   * @param[in] *pCoeffs points to the coefficient buffer.
+   * @param[in] *pState points to the state buffer.
+   * @param[in] mu step size that controls filter coefficient updates.
+   * @param[in] blockSize number of samples to process.
+   * @param[in] postShift bit shift applied to coefficients.
+   * @return    none.
+   */
+
+  void arm_lms_init_q15(
+  arm_lms_instance_q15 * S,
+  uint16_t numTaps,
+  q15_t * pCoeffs,
+  q15_t * pState,
+  q15_t mu,
+  uint32_t blockSize,
+  uint32_t postShift);
+
+  /**
+   * @brief Processing function for Q15 LMS filter.
+   * @param[in] *S points to an instance of the Q15 LMS filter structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[in] *pRef points to the block of reference data.
+   * @param[out] *pOut points to the block of output data.
+   * @param[out] *pErr points to the block of error data.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_lms_q15(
+  const arm_lms_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pRef,
+  q15_t * pOut,
+  q15_t * pErr,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief Instance structure for the Q31 LMS filter.
+   */
+
+  typedef struct
+  {
+    uint16_t numTaps;    /**< number of coefficients in the filter. */
+    q31_t *pState;       /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+    q31_t *pCoeffs;      /**< points to the coefficient array. The array is of length numTaps. */
+    q31_t mu;            /**< step size that controls filter coefficient updates. */
+    uint32_t postShift;  /**< bit shift applied to coefficients. */
+
+  } arm_lms_instance_q31;
+
+  /**
+   * @brief Processing function for Q31 LMS filter.
+   * @param[in]  *S points to an instance of the Q15 LMS filter structure.
+   * @param[in]  *pSrc points to the block of input data.
+   * @param[in]  *pRef points to the block of reference data.
+   * @param[out] *pOut points to the block of output data.
+   * @param[out] *pErr points to the block of error data.
+   * @param[in]  blockSize number of samples to process.
+   * @return     none.
+   */
+
+  void arm_lms_q31(
+  const arm_lms_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pRef,
+  q31_t * pOut,
+  q31_t * pErr,
+  uint32_t blockSize);
+
+  /**
+   * @brief Initialization function for Q31 LMS filter.
+   * @param[in] *S points to an instance of the Q31 LMS filter structure.
+   * @param[in] numTaps  number of filter coefficients.
+   * @param[in] *pCoeffs points to coefficient buffer.
+   * @param[in] *pState points to state buffer.
+   * @param[in] mu step size that controls filter coefficient updates.
+   * @param[in] blockSize number of samples to process.
+   * @param[in] postShift bit shift applied to coefficients.
+   * @return none.
+   */
+
+  void arm_lms_init_q31(
+  arm_lms_instance_q31 * S,
+  uint16_t numTaps,
+  q31_t * pCoeffs,
+  q31_t * pState,
+  q31_t mu,
+  uint32_t blockSize,
+  uint32_t postShift);
+
+  /**
+   * @brief Instance structure for the floating-point normalized LMS filter.
+   */
+
+  typedef struct
+  {
+    uint16_t numTaps;     /**< number of coefficients in the filter. */
+    float32_t *pState;    /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+    float32_t *pCoeffs;   /**< points to the coefficient array. The array is of length numTaps. */
+    float32_t mu;        /**< step size that control filter coefficient updates. */
+    float32_t energy;    /**< saves previous frame energy. */
+    float32_t x0;        /**< saves previous input sample. */
+  } arm_lms_norm_instance_f32;
+
+  /**
+   * @brief Processing function for floating-point normalized LMS filter.
+   * @param[in] *S points to an instance of the floating-point normalized LMS filter structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[in] *pRef points to the block of reference data.
+   * @param[out] *pOut points to the block of output data.
+   * @param[out] *pErr points to the block of error data.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_lms_norm_f32(
+  arm_lms_norm_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pRef,
+  float32_t * pOut,
+  float32_t * pErr,
+  uint32_t blockSize);
+
+  /**
+   * @brief Initialization function for floating-point normalized LMS filter.
+   * @param[in] *S points to an instance of the floating-point LMS filter structure.
+   * @param[in] numTaps  number of filter coefficients.
+   * @param[in] *pCoeffs points to coefficient buffer.
+   * @param[in] *pState points to state buffer.
+   * @param[in] mu step size that controls filter coefficient updates.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_lms_norm_init_f32(
+  arm_lms_norm_instance_f32 * S,
+  uint16_t numTaps,
+  float32_t * pCoeffs,
+  float32_t * pState,
+  float32_t mu,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief Instance structure for the Q31 normalized LMS filter.
+   */
+  typedef struct
+  {
+    uint16_t numTaps;     /**< number of coefficients in the filter. */
+    q31_t *pState;        /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+    q31_t *pCoeffs;       /**< points to the coefficient array. The array is of length numTaps. */
+    q31_t mu;             /**< step size that controls filter coefficient updates. */
+    uint8_t postShift;    /**< bit shift applied to coefficients. */
+    q31_t *recipTable;    /**< points to the reciprocal initial value table. */
+    q31_t energy;         /**< saves previous frame energy. */
+    q31_t x0;             /**< saves previous input sample. */
+  } arm_lms_norm_instance_q31;
+
+  /**
+   * @brief Processing function for Q31 normalized LMS filter.
+   * @param[in] *S points to an instance of the Q31 normalized LMS filter structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[in] *pRef points to the block of reference data.
+   * @param[out] *pOut points to the block of output data.
+   * @param[out] *pErr points to the block of error data.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_lms_norm_q31(
+  arm_lms_norm_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pRef,
+  q31_t * pOut,
+  q31_t * pErr,
+  uint32_t blockSize);
+
+  /**
+   * @brief Initialization function for Q31 normalized LMS filter.
+   * @param[in] *S points to an instance of the Q31 normalized LMS filter structure.
+   * @param[in] numTaps  number of filter coefficients.
+   * @param[in] *pCoeffs points to coefficient buffer.
+   * @param[in] *pState points to state buffer.
+   * @param[in] mu step size that controls filter coefficient updates.
+   * @param[in] blockSize number of samples to process.
+   * @param[in] postShift bit shift applied to coefficients.
+   * @return none.
+   */
+
+  void arm_lms_norm_init_q31(
+  arm_lms_norm_instance_q31 * S,
+  uint16_t numTaps,
+  q31_t * pCoeffs,
+  q31_t * pState,
+  q31_t mu,
+  uint32_t blockSize,
+  uint8_t postShift);
+
+  /**
+   * @brief Instance structure for the Q15 normalized LMS filter.
+   */
+
+  typedef struct
+  {
+    uint16_t numTaps;    /**< Number of coefficients in the filter. */
+    q15_t *pState;        /**< points to the state variable array. The array is of length numTaps+blockSize-1. */
+    q15_t *pCoeffs;       /**< points to the coefficient array. The array is of length numTaps. */
+    q15_t mu;            /**< step size that controls filter coefficient updates. */
+    uint8_t postShift;   /**< bit shift applied to coefficients. */
+    q15_t *recipTable;   /**< Points to the reciprocal initial value table. */
+    q15_t energy;        /**< saves previous frame energy. */
+    q15_t x0;            /**< saves previous input sample. */
+  } arm_lms_norm_instance_q15;
+
+  /**
+   * @brief Processing function for Q15 normalized LMS filter.
+   * @param[in] *S points to an instance of the Q15 normalized LMS filter structure.
+   * @param[in] *pSrc points to the block of input data.
+   * @param[in] *pRef points to the block of reference data.
+   * @param[out] *pOut points to the block of output data.
+   * @param[out] *pErr points to the block of error data.
+   * @param[in] blockSize number of samples to process.
+   * @return none.
+   */
+
+  void arm_lms_norm_q15(
+  arm_lms_norm_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pRef,
+  q15_t * pOut,
+  q15_t * pErr,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief Initialization function for Q15 normalized LMS filter.
+   * @param[in] *S points to an instance of the Q15 normalized LMS filter structure.
+   * @param[in] numTaps  number of filter coefficients.
+   * @param[in] *pCoeffs points to coefficient buffer.
+   * @param[in] *pState points to state buffer.
+   * @param[in] mu step size that controls filter coefficient updates.
+   * @param[in] blockSize number of samples to process.
+   * @param[in] postShift bit shift applied to coefficients.
+   * @return none.
+   */
+
+  void arm_lms_norm_init_q15(
+  arm_lms_norm_instance_q15 * S,
+  uint16_t numTaps,
+  q15_t * pCoeffs,
+  q15_t * pState,
+  q15_t mu,
+  uint32_t blockSize,
+  uint8_t postShift);
+
+  /**
+   * @brief Correlation of floating-point sequences.
+   * @param[in] *pSrcA points to the first input sequence.
+   * @param[in] srcALen length of the first input sequence.
+   * @param[in] *pSrcB points to the second input sequence.
+   * @param[in] srcBLen length of the second input sequence.
+   * @param[out] *pDst points to the block of output data  Length 2 * max(srcALen, srcBLen) - 1.
+   * @return none.
+   */
+
+  void arm_correlate_f32(
+  float32_t * pSrcA,
+  uint32_t srcALen,
+  float32_t * pSrcB,
+  uint32_t srcBLen,
+  float32_t * pDst);
+
+
+   /**   
+   * @brief Correlation of Q15 sequences   
+   * @param[in] *pSrcA points to the first input sequence.   
+   * @param[in] srcALen length of the first input sequence.   
+   * @param[in] *pSrcB points to the second input sequence.   
+   * @param[in] srcBLen length of the second input sequence.   
+   * @param[out] *pDst points to the block of output data  Length 2 * max(srcALen, srcBLen) - 1.   
+   * @param[in]  *pScratch points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.   
+   * @return none.   
+   */
+  void arm_correlate_opt_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  q15_t * pScratch);
+
+
+  /**
+   * @brief Correlation of Q15 sequences.
+   * @param[in] *pSrcA points to the first input sequence.
+   * @param[in] srcALen length of the first input sequence.
+   * @param[in] *pSrcB points to the second input sequence.
+   * @param[in] srcBLen length of the second input sequence.
+   * @param[out] *pDst points to the block of output data  Length 2 * max(srcALen, srcBLen) - 1.
+   * @return none.
+   */
+
+  void arm_correlate_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst);
+
+  /**
+   * @brief Correlation of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.
+   * @param[in] *pSrcA points to the first input sequence.
+   * @param[in] srcALen length of the first input sequence.
+   * @param[in] *pSrcB points to the second input sequence.
+   * @param[in] srcBLen length of the second input sequence.
+   * @param[out] *pDst points to the block of output data  Length 2 * max(srcALen, srcBLen) - 1.
+   * @return none.
+   */
+
+  void arm_correlate_fast_q15(
+			       q15_t * pSrcA,
+			      uint32_t srcALen,
+			       q15_t * pSrcB,
+			      uint32_t srcBLen,
+			      q15_t * pDst);
+
+
+
+  /**
+   * @brief Correlation of Q15 sequences (fast version) for Cortex-M3 and Cortex-M4.
+   * @param[in] *pSrcA points to the first input sequence.
+   * @param[in] srcALen length of the first input sequence.
+   * @param[in] *pSrcB points to the second input sequence.
+   * @param[in] srcBLen length of the second input sequence.
+   * @param[out] *pDst points to the block of output data  Length 2 * max(srcALen, srcBLen) - 1.
+   * @param[in]  *pScratch points to scratch buffer of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.   
+   * @return none.
+   */
+
+  void arm_correlate_fast_opt_q15(
+  q15_t * pSrcA,
+  uint32_t srcALen,
+  q15_t * pSrcB,
+  uint32_t srcBLen,
+  q15_t * pDst,
+  q15_t * pScratch);
+
+  /**
+   * @brief Correlation of Q31 sequences.
+   * @param[in] *pSrcA points to the first input sequence.
+   * @param[in] srcALen length of the first input sequence.
+   * @param[in] *pSrcB points to the second input sequence.
+   * @param[in] srcBLen length of the second input sequence.
+   * @param[out] *pDst points to the block of output data  Length 2 * max(srcALen, srcBLen) - 1.
+   * @return none.
+   */
+
+  void arm_correlate_q31(
+  q31_t * pSrcA,
+  uint32_t srcALen,
+  q31_t * pSrcB,
+  uint32_t srcBLen,
+  q31_t * pDst);
+
+  /**
+   * @brief Correlation of Q31 sequences (fast version) for Cortex-M3 and Cortex-M4
+   * @param[in] *pSrcA points to the first input sequence.
+   * @param[in] srcALen length of the first input sequence.
+   * @param[in] *pSrcB points to the second input sequence.
+   * @param[in] srcBLen length of the second input sequence.
+   * @param[out] *pDst points to the block of output data  Length 2 * max(srcALen, srcBLen) - 1.
+   * @return none.
+   */
+
+  void arm_correlate_fast_q31(
+  q31_t * pSrcA,
+  uint32_t srcALen,
+  q31_t * pSrcB,
+  uint32_t srcBLen,
+  q31_t * pDst);
+
+
+
+ /**   
+   * @brief Correlation of Q7 sequences.   
+   * @param[in] *pSrcA points to the first input sequence.   
+   * @param[in] srcALen length of the first input sequence.   
+   * @param[in] *pSrcB points to the second input sequence.   
+   * @param[in] srcBLen length of the second input sequence.   
+   * @param[out] *pDst points to the block of output data  Length 2 * max(srcALen, srcBLen) - 1.   
+   * @param[in]  *pScratch1 points to scratch buffer(of type q15_t) of size max(srcALen, srcBLen) + 2*min(srcALen, srcBLen) - 2.   
+   * @param[in]  *pScratch2 points to scratch buffer (of type q15_t) of size min(srcALen, srcBLen).   
+   * @return none.   
+   */
+
+  void arm_correlate_opt_q7(
+  q7_t * pSrcA,
+  uint32_t srcALen,
+  q7_t * pSrcB,
+  uint32_t srcBLen,
+  q7_t * pDst,
+  q15_t * pScratch1,
+  q15_t * pScratch2);
+
+
+  /**
+   * @brief Correlation of Q7 sequences.
+   * @param[in] *pSrcA points to the first input sequence.
+   * @param[in] srcALen length of the first input sequence.
+   * @param[in] *pSrcB points to the second input sequence.
+   * @param[in] srcBLen length of the second input sequence.
+   * @param[out] *pDst points to the block of output data  Length 2 * max(srcALen, srcBLen) - 1.
+   * @return none.
+   */
+
+  void arm_correlate_q7(
+  q7_t * pSrcA,
+  uint32_t srcALen,
+  q7_t * pSrcB,
+  uint32_t srcBLen,
+  q7_t * pDst);
+
+
+  /**
+   * @brief Instance structure for the floating-point sparse FIR filter.
+   */
+  typedef struct
+  {
+    uint16_t numTaps;             /**< number of coefficients in the filter. */
+    uint16_t stateIndex;          /**< state buffer index.  Points to the oldest sample in the state buffer. */
+    float32_t *pState;            /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
+    float32_t *pCoeffs;           /**< points to the coefficient array. The array is of length numTaps.*/
+    uint16_t maxDelay;            /**< maximum offset specified by the pTapDelay array. */
+    int32_t *pTapDelay;           /**< points to the array of delay values.  The array is of length numTaps. */
+  } arm_fir_sparse_instance_f32;
+
+  /**
+   * @brief Instance structure for the Q31 sparse FIR filter.
+   */
+
+  typedef struct
+  {
+    uint16_t numTaps;             /**< number of coefficients in the filter. */
+    uint16_t stateIndex;          /**< state buffer index.  Points to the oldest sample in the state buffer. */
+    q31_t *pState;                /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
+    q31_t *pCoeffs;               /**< points to the coefficient array. The array is of length numTaps.*/
+    uint16_t maxDelay;            /**< maximum offset specified by the pTapDelay array. */
+    int32_t *pTapDelay;           /**< points to the array of delay values.  The array is of length numTaps. */
+  } arm_fir_sparse_instance_q31;
+
+  /**
+   * @brief Instance structure for the Q15 sparse FIR filter.
+   */
+
+  typedef struct
+  {
+    uint16_t numTaps;             /**< number of coefficients in the filter. */
+    uint16_t stateIndex;          /**< state buffer index.  Points to the oldest sample in the state buffer. */
+    q15_t *pState;                /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
+    q15_t *pCoeffs;               /**< points to the coefficient array. The array is of length numTaps.*/
+    uint16_t maxDelay;            /**< maximum offset specified by the pTapDelay array. */
+    int32_t *pTapDelay;           /**< points to the array of delay values.  The array is of length numTaps. */
+  } arm_fir_sparse_instance_q15;
+
+  /**
+   * @brief Instance structure for the Q7 sparse FIR filter.
+   */
+
+  typedef struct
+  {
+    uint16_t numTaps;             /**< number of coefficients in the filter. */
+    uint16_t stateIndex;          /**< state buffer index.  Points to the oldest sample in the state buffer. */
+    q7_t *pState;                 /**< points to the state buffer array. The array is of length maxDelay+blockSize-1. */
+    q7_t *pCoeffs;                /**< points to the coefficient array. The array is of length numTaps.*/
+    uint16_t maxDelay;            /**< maximum offset specified by the pTapDelay array. */
+    int32_t *pTapDelay;           /**< points to the array of delay values.  The array is of length numTaps. */
+  } arm_fir_sparse_instance_q7;
+
+  /**
+   * @brief Processing function for the floating-point sparse FIR filter.
+   * @param[in]  *S          points to an instance of the floating-point sparse FIR structure.
+   * @param[in]  *pSrc       points to the block of input data.
+   * @param[out] *pDst       points to the block of output data
+   * @param[in]  *pScratchIn points to a temporary buffer of size blockSize.
+   * @param[in]  blockSize   number of input samples to process per call.
+   * @return none.
+   */
+
+  void arm_fir_sparse_f32(
+  arm_fir_sparse_instance_f32 * S,
+  float32_t * pSrc,
+  float32_t * pDst,
+  float32_t * pScratchIn,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Initialization function for the floating-point sparse FIR filter.
+   * @param[in,out] *S         points to an instance of the floating-point sparse FIR structure.
+   * @param[in]     numTaps    number of nonzero coefficients in the filter.
+   * @param[in]     *pCoeffs   points to the array of filter coefficients.
+   * @param[in]     *pState    points to the state buffer.
+   * @param[in]     *pTapDelay points to the array of offset times.
+   * @param[in]     maxDelay   maximum offset time supported.
+   * @param[in]     blockSize  number of samples that will be processed per block.
+   * @return none
+   */
+
+  void arm_fir_sparse_init_f32(
+  arm_fir_sparse_instance_f32 * S,
+  uint16_t numTaps,
+  float32_t * pCoeffs,
+  float32_t * pState,
+  int32_t * pTapDelay,
+  uint16_t maxDelay,
+  uint32_t blockSize);
+
+  /**
+   * @brief Processing function for the Q31 sparse FIR filter.
+   * @param[in]  *S          points to an instance of the Q31 sparse FIR structure.
+   * @param[in]  *pSrc       points to the block of input data.
+   * @param[out] *pDst       points to the block of output data
+   * @param[in]  *pScratchIn points to a temporary buffer of size blockSize.
+   * @param[in]  blockSize   number of input samples to process per call.
+   * @return none.
+   */
+
+  void arm_fir_sparse_q31(
+  arm_fir_sparse_instance_q31 * S,
+  q31_t * pSrc,
+  q31_t * pDst,
+  q31_t * pScratchIn,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Initialization function for the Q31 sparse FIR filter.
+   * @param[in,out] *S         points to an instance of the Q31 sparse FIR structure.
+   * @param[in]     numTaps    number of nonzero coefficients in the filter.
+   * @param[in]     *pCoeffs   points to the array of filter coefficients.
+   * @param[in]     *pState    points to the state buffer.
+   * @param[in]     *pTapDelay points to the array of offset times.
+   * @param[in]     maxDelay   maximum offset time supported.
+   * @param[in]     blockSize  number of samples that will be processed per block.
+   * @return none
+   */
+
+  void arm_fir_sparse_init_q31(
+  arm_fir_sparse_instance_q31 * S,
+  uint16_t numTaps,
+  q31_t * pCoeffs,
+  q31_t * pState,
+  int32_t * pTapDelay,
+  uint16_t maxDelay,
+  uint32_t blockSize);
+
+  /**
+   * @brief Processing function for the Q15 sparse FIR filter.
+   * @param[in]  *S           points to an instance of the Q15 sparse FIR structure.
+   * @param[in]  *pSrc        points to the block of input data.
+   * @param[out] *pDst        points to the block of output data
+   * @param[in]  *pScratchIn  points to a temporary buffer of size blockSize.
+   * @param[in]  *pScratchOut points to a temporary buffer of size blockSize.
+   * @param[in]  blockSize    number of input samples to process per call.
+   * @return none.
+   */
+
+  void arm_fir_sparse_q15(
+  arm_fir_sparse_instance_q15 * S,
+  q15_t * pSrc,
+  q15_t * pDst,
+  q15_t * pScratchIn,
+  q31_t * pScratchOut,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief  Initialization function for the Q15 sparse FIR filter.
+   * @param[in,out] *S         points to an instance of the Q15 sparse FIR structure.
+   * @param[in]     numTaps    number of nonzero coefficients in the filter.
+   * @param[in]     *pCoeffs   points to the array of filter coefficients.
+   * @param[in]     *pState    points to the state buffer.
+   * @param[in]     *pTapDelay points to the array of offset times.
+   * @param[in]     maxDelay   maximum offset time supported.
+   * @param[in]     blockSize  number of samples that will be processed per block.
+   * @return none
+   */
+
+  void arm_fir_sparse_init_q15(
+  arm_fir_sparse_instance_q15 * S,
+  uint16_t numTaps,
+  q15_t * pCoeffs,
+  q15_t * pState,
+  int32_t * pTapDelay,
+  uint16_t maxDelay,
+  uint32_t blockSize);
+
+  /**
+   * @brief Processing function for the Q7 sparse FIR filter.
+   * @param[in]  *S           points to an instance of the Q7 sparse FIR structure.
+   * @param[in]  *pSrc        points to the block of input data.
+   * @param[out] *pDst        points to the block of output data
+   * @param[in]  *pScratchIn  points to a temporary buffer of size blockSize.
+   * @param[in]  *pScratchOut points to a temporary buffer of size blockSize.
+   * @param[in]  blockSize    number of input samples to process per call.
+   * @return none.
+   */
+
+  void arm_fir_sparse_q7(
+  arm_fir_sparse_instance_q7 * S,
+  q7_t * pSrc,
+  q7_t * pDst,
+  q7_t * pScratchIn,
+  q31_t * pScratchOut,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Initialization function for the Q7 sparse FIR filter.
+   * @param[in,out] *S         points to an instance of the Q7 sparse FIR structure.
+   * @param[in]     numTaps    number of nonzero coefficients in the filter.
+   * @param[in]     *pCoeffs   points to the array of filter coefficients.
+   * @param[in]     *pState    points to the state buffer.
+   * @param[in]     *pTapDelay points to the array of offset times.
+   * @param[in]     maxDelay   maximum offset time supported.
+   * @param[in]     blockSize  number of samples that will be processed per block.
+   * @return none
+   */
+
+  void arm_fir_sparse_init_q7(
+  arm_fir_sparse_instance_q7 * S,
+  uint16_t numTaps,
+  q7_t * pCoeffs,
+  q7_t * pState,
+  int32_t * pTapDelay,
+  uint16_t maxDelay,
+  uint32_t blockSize);
+
+
+  /*
+   * @brief  Floating-point sin_cos function.
+   * @param[in]  theta    input value in degrees 
+   * @param[out] *pSinVal points to the processed sine output. 
+   * @param[out] *pCosVal points to the processed cos output. 
+   * @return none.
+   */
+
+  void arm_sin_cos_f32(
+  float32_t theta,
+  float32_t * pSinVal,
+  float32_t * pCcosVal);
+
+  /*
+   * @brief  Q31 sin_cos function.
+   * @param[in]  theta    scaled input value in degrees 
+   * @param[out] *pSinVal points to the processed sine output. 
+   * @param[out] *pCosVal points to the processed cosine output. 
+   * @return none.
+   */
+
+  void arm_sin_cos_q31(
+  q31_t theta,
+  q31_t * pSinVal,
+  q31_t * pCosVal);
+
+
+  /**
+   * @brief  Floating-point complex conjugate.
+   * @param[in]  *pSrc points to the input vector
+   * @param[out]  *pDst points to the output vector
+   * @param[in]  numSamples number of complex samples in each vector
+   * @return none.
+   */
+
+  void arm_cmplx_conj_f32(
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t numSamples);
+
+  /**
+   * @brief  Q31 complex conjugate.
+   * @param[in]  *pSrc points to the input vector
+   * @param[out]  *pDst points to the output vector
+   * @param[in]  numSamples number of complex samples in each vector
+   * @return none.
+   */
+
+  void arm_cmplx_conj_q31(
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t numSamples);
+
+  /**
+   * @brief  Q15 complex conjugate.
+   * @param[in]  *pSrc points to the input vector
+   * @param[out]  *pDst points to the output vector
+   * @param[in]  numSamples number of complex samples in each vector
+   * @return none.
+   */
+
+  void arm_cmplx_conj_q15(
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t numSamples);
+
+
+
+  /**
+   * @brief  Floating-point complex magnitude squared
+   * @param[in]  *pSrc points to the complex input vector
+   * @param[out]  *pDst points to the real output vector
+   * @param[in]  numSamples number of complex samples in the input vector
+   * @return none.
+   */
+
+  void arm_cmplx_mag_squared_f32(
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t numSamples);
+
+  /**
+   * @brief  Q31 complex magnitude squared
+   * @param[in]  *pSrc points to the complex input vector
+   * @param[out]  *pDst points to the real output vector
+   * @param[in]  numSamples number of complex samples in the input vector
+   * @return none.
+   */
+
+  void arm_cmplx_mag_squared_q31(
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t numSamples);
+
+  /**
+   * @brief  Q15 complex magnitude squared
+   * @param[in]  *pSrc points to the complex input vector
+   * @param[out]  *pDst points to the real output vector
+   * @param[in]  numSamples number of complex samples in the input vector
+   * @return none.
+   */
+
+  void arm_cmplx_mag_squared_q15(
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t numSamples);
+
+
+ /**
+   * @ingroup groupController
+   */
+
+  /**
+   * @defgroup PID PID Motor Control
+   *
+   * A Proportional Integral Derivative (PID) controller is a generic feedback control 
+   * loop mechanism widely used in industrial control systems.
+   * A PID controller is the most commonly used type of feedback controller.
+   *
+   * This set of functions implements (PID) controllers
+   * for Q15, Q31, and floating-point data types.  The functions operate on a single sample
+   * of data and each call to the function returns a single processed value.
+   * S points to an instance of the PID control data structure.  in
+   * is the input sample value. The functions return the output value.
+   *
+   * \par Algorithm:
+   * 
+   *    y[n] = y[n-1] + A0 * x[n] + A1 * x[n-1] + A2 * x[n-2]
+   *    A0 = Kp + Ki + Kd
+   *    A1 = (-Kp ) - (2 * Kd )
+   *    A2 = Kd  

+   *
+   * \par
+   * where \c Kp is proportional constant, \c Ki is Integral constant and \c Kd is Derivative constant
+   * 
+   * \par 
+   * \image html PID.gif "Proportional Integral Derivative Controller" 
+   *
+   * \par
+   * The PID controller calculates an "error" value as the difference between
+   * the measured output and the reference input.
+   * The controller attempts to minimize the error by adjusting the process control inputs.  
+   * The proportional value determines the reaction to the current error, 
+   * the integral value determines the reaction based on the sum of recent errors, 
+   * and the derivative value determines the reaction based on the rate at which the error has been changing.
+   *
+   * \par Instance Structure 
+   * The Gains A0, A1, A2 and state variables for a PID controller are stored together in an instance data structure. 
+   * A separate instance structure must be defined for each PID Controller. 
+   * There are separate instance structure declarations for each of the 3 supported data types. 
+   * 
+   * \par Reset Functions 
+   * There is also an associated reset function for each data type which clears the state array. 
+   *
+   * \par Initialization Functions 
+   * There is also an associated initialization function for each data type. 
+   * The initialization function performs the following operations: 
+   * - Initializes the Gains A0, A1, A2 from Kp,Ki, Kd gains.
+   * - Zeros out the values in the state buffer.   
+   * 
+   * \par 
+   * Instance structure cannot be placed into a const data section and it is recommended to use the initialization function. 
+   *
+   * \par Fixed-Point Behavior 
+   * Care must be taken when using the fixed-point versions of the PID Controller functions. 
+   * In particular, the overflow and saturation behavior of the accumulator used in each function must be considered. 
+   * Refer to the function specific documentation below for usage guidelines. 
+   */
+
+  /**
+   * @addtogroup PID
+   * @{
+   */
+
+  /**
+   * @brief  Process function for the floating-point PID Control.
+   * @param[in,out] *S is an instance of the floating-point PID Control structure
+   * @param[in] in input sample to process
+   * @return out processed output sample.
+   */
+
+
+  __STATIC_INLINE float32_t arm_pid_f32(
+  arm_pid_instance_f32 * S,
+  float32_t in)
+  {
+    float32_t out;
+
+    /* y[n] = y[n-1] + A0 * x[n] + A1 * x[n-1] + A2 * x[n-2]  */
+    out = (S->A0 * in) +
+      (S->A1 * S->state[0]) + (S->A2 * S->state[1]) + (S->state[2]);
+
+    /* Update state */
+    S->state[1] = S->state[0];
+    S->state[0] = in;
+    S->state[2] = out;
+
+    /* return to application */
+    return (out);
+
+  }
+
+  /**
+   * @brief  Process function for the Q31 PID Control.
+   * @param[in,out] *S points to an instance of the Q31 PID Control structure
+   * @param[in] in input sample to process
+   * @return out processed output sample.
+   *
+   * Scaling and Overflow Behavior: 
+   * \par 
+   * The function is implemented using an internal 64-bit accumulator. 
+   * The accumulator has a 2.62 format and maintains full precision of the intermediate multiplication results but provides only a single guard bit. 
+   * Thus, if the accumulator result overflows it wraps around rather than clip. 
+   * In order to avoid overflows completely the input signal must be scaled down by 2 bits as there are four additions. 
+   * After all multiply-accumulates are performed, the 2.62 accumulator is truncated to 1.32 format and then saturated to 1.31 format. 
+   */
+
+  __STATIC_INLINE q31_t arm_pid_q31(
+  arm_pid_instance_q31 * S,
+  q31_t in)
+  {
+    q63_t acc;
+    q31_t out;
+
+    /* acc = A0 * x[n]  */
+    acc = (q63_t) S->A0 * in;
+
+    /* acc += A1 * x[n-1] */
+    acc += (q63_t) S->A1 * S->state[0];
+
+    /* acc += A2 * x[n-2]  */
+    acc += (q63_t) S->A2 * S->state[1];
+
+    /* convert output to 1.31 format to add y[n-1] */
+    out = (q31_t) (acc >> 31u);
+
+    /* out += y[n-1] */
+    out += S->state[2];
+
+    /* Update state */
+    S->state[1] = S->state[0];
+    S->state[0] = in;
+    S->state[2] = out;
+
+    /* return to application */
+    return (out);
+
+  }
+
+  /**
+   * @brief  Process function for the Q15 PID Control.
+   * @param[in,out] *S points to an instance of the Q15 PID Control structure
+   * @param[in] in input sample to process
+   * @return out processed output sample.
+   *
+   * Scaling and Overflow Behavior: 
+   * \par 
+   * The function is implemented using a 64-bit internal accumulator. 
+   * Both Gains and state variables are represented in 1.15 format and multiplications yield a 2.30 result. 
+   * The 2.30 intermediate results are accumulated in a 64-bit accumulator in 34.30 format. 
+   * There is no risk of internal overflow with this approach and the full precision of intermediate multiplications is preserved. 
+   * After all additions have been performed, the accumulator is truncated to 34.15 format by discarding low 15 bits. 
+   * Lastly, the accumulator is saturated to yield a result in 1.15 format.
+   */
+
+  __STATIC_INLINE q15_t arm_pid_q15(
+  arm_pid_instance_q15 * S,
+  q15_t in)
+  {
+    q63_t acc;
+    q15_t out;
+
+    /* Implementation of PID controller */
+
+#ifdef ARM_MATH_CM0
+
+    /* acc = A0 * x[n]  */
+    acc = ((q31_t) S->A0) * in;
+
+#else
+
+    /* acc = A0 * x[n]  */
+    acc = (q31_t) __SMUAD(S->A0, in);
+
+#endif
+
+#ifdef ARM_MATH_CM0
+
+    /* acc += A1 * x[n-1] + A2 * x[n-2]  */
+    acc += (q31_t) S->A1 * S->state[0];
+    acc += (q31_t) S->A2 * S->state[1];
+
+#else
+
+    /* acc += A1 * x[n-1] + A2 * x[n-2]  */
+    acc = __SMLALD(S->A1, (q31_t) __SIMD32(S->state), acc);
+
+#endif
+
+    /* acc += y[n-1] */
+    acc += (q31_t) S->state[2] << 15;
+
+    /* saturate the output */
+    out = (q15_t) (__SSAT((acc >> 15), 16));
+
+    /* Update state */
+    S->state[1] = S->state[0];
+    S->state[0] = in;
+    S->state[2] = out;
+
+    /* return to application */
+    return (out);
+
+  }
+
+  /**
+   * @} end of PID group
+   */
+
+
+  /**
+   * @brief Floating-point matrix inverse.
+   * @param[in]  *src points to the instance of the input floating-point matrix structure.
+   * @param[out] *dst points to the instance of the output floating-point matrix structure.
+   * @return The function returns ARM_MATH_SIZE_MISMATCH, if the dimensions do not match.
+   * If the input matrix is singular (does not have an inverse), then the algorithm terminates and returns error status ARM_MATH_SINGULAR.
+   */
+
+  arm_status arm_mat_inverse_f32(
+  const arm_matrix_instance_f32 * src,
+  arm_matrix_instance_f32 * dst);
+
+
+
+  /**
+   * @ingroup groupController
+   */
+
+
+  /**
+   * @defgroup clarke Vector Clarke Transform
+   * Forward Clarke transform converts the instantaneous stator phases into a two-coordinate time invariant vector.
+   * Generally the Clarke transform uses three-phase currents Ia, Ib and Ic to calculate currents
+   * in the two-phase orthogonal stator axis Ialpha and Ibeta.
+   * When Ialpha is superposed with Ia as shown in the figure below
+   * \image html clarke.gif Stator current space vector and its components in (a,b).
+   * and Ia + Ib + Ic = 0, in this condition Ialpha and Ibeta
+   * can be calculated using only Ia and Ib.
+   *
+   * The function operates on a single sample of data and each call to the function returns the processed output. 
+   * The library provides separate functions for Q31 and floating-point data types.
+   * \par Algorithm
+   * \image html clarkeFormula.gif
+   * where Ia and Ib are the instantaneous stator phases and
+   * pIalpha and pIbeta are the two coordinates of time invariant vector.
+   * \par Fixed-Point Behavior
+   * Care must be taken when using the Q31 version of the Clarke transform.
+   * In particular, the overflow and saturation behavior of the accumulator used must be considered.
+   * Refer to the function specific documentation below for usage guidelines.
+   */
+
+  /**
+   * @addtogroup clarke
+   * @{
+   */
+
+  /**
+   *
+   * @brief  Floating-point Clarke transform
+   * @param[in]       Ia       input three-phase coordinate a
+   * @param[in]       Ib       input three-phase coordinate b
+   * @param[out]      *pIalpha points to output two-phase orthogonal vector axis alpha
+   * @param[out]      *pIbeta  points to output two-phase orthogonal vector axis beta
+   * @return none.
+   */
+
+  __STATIC_INLINE void arm_clarke_f32(
+  float32_t Ia,
+  float32_t Ib,
+  float32_t * pIalpha,
+  float32_t * pIbeta)
+  {
+    /* Calculate pIalpha using the equation, pIalpha = Ia */
+    *pIalpha = Ia;
+
+    /* Calculate pIbeta using the equation, pIbeta = (1/sqrt(3)) * Ia + (2/sqrt(3)) * Ib */
+    *pIbeta =
+      ((float32_t) 0.57735026919 * Ia + (float32_t) 1.15470053838 * Ib);
+
+  }
+
+  /**
+   * @brief  Clarke transform for Q31 version
+   * @param[in]       Ia       input three-phase coordinate a
+   * @param[in]       Ib       input three-phase coordinate b
+   * @param[out]      *pIalpha points to output two-phase orthogonal vector axis alpha
+   * @param[out]      *pIbeta  points to output two-phase orthogonal vector axis beta
+   * @return none.
+   *
+   * Scaling and Overflow Behavior:
+   * \par
+   * The function is implemented using an internal 32-bit accumulator.
+   * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
+   * There is saturation on the addition, hence there is no risk of overflow.
+   */
+
+  __STATIC_INLINE void arm_clarke_q31(
+  q31_t Ia,
+  q31_t Ib,
+  q31_t * pIalpha,
+  q31_t * pIbeta)
+  {
+    q31_t product1, product2;                    /* Temporary variables used to store intermediate results */
+
+    /* Calculating pIalpha from Ia by equation pIalpha = Ia */
+    *pIalpha = Ia;
+
+    /* Intermediate product is calculated by (1/(sqrt(3)) * Ia) */
+    product1 = (q31_t) (((q63_t) Ia * 0x24F34E8B) >> 30);
+
+    /* Intermediate product is calculated by (2/sqrt(3) * Ib) */
+    product2 = (q31_t) (((q63_t) Ib * 0x49E69D16) >> 30);
+
+    /* pIbeta is calculated by adding the intermediate products */
+    *pIbeta = __QADD(product1, product2);
+  }
+
+  /**
+   * @} end of clarke group
+   */
+
+  /**
+   * @brief  Converts the elements of the Q7 vector to Q31 vector.
+   * @param[in]  *pSrc     input pointer
+   * @param[out]  *pDst    output pointer
+   * @param[in]  blockSize number of samples to process
+   * @return none.
+   */
+  void arm_q7_to_q31(
+  q7_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+
+
+
+  /**
+   * @ingroup groupController
+   */
+
+  /**
+   * @defgroup inv_clarke Vector Inverse Clarke Transform
+   * Inverse Clarke transform converts the two-coordinate time invariant vector into instantaneous stator phases.
+   * 
+   * The function operates on a single sample of data and each call to the function returns the processed output. 
+   * The library provides separate functions for Q31 and floating-point data types.
+   * \par Algorithm
+   * \image html clarkeInvFormula.gif
+   * where pIa and pIb are the instantaneous stator phases and
+   * Ialpha and Ibeta are the two coordinates of time invariant vector.
+   * \par Fixed-Point Behavior
+   * Care must be taken when using the Q31 version of the Clarke transform.
+   * In particular, the overflow and saturation behavior of the accumulator used must be considered.
+   * Refer to the function specific documentation below for usage guidelines.
+   */
+
+  /**
+   * @addtogroup inv_clarke
+   * @{
+   */
+
+   /**
+   * @brief  Floating-point Inverse Clarke transform
+   * @param[in]       Ialpha  input two-phase orthogonal vector axis alpha
+   * @param[in]       Ibeta   input two-phase orthogonal vector axis beta
+   * @param[out]      *pIa    points to output three-phase coordinate a
+   * @param[out]      *pIb    points to output three-phase coordinate b
+   * @return none.
+   */
+
+
+  __STATIC_INLINE void arm_inv_clarke_f32(
+  float32_t Ialpha,
+  float32_t Ibeta,
+  float32_t * pIa,
+  float32_t * pIb)
+  {
+    /* Calculating pIa from Ialpha by equation pIa = Ialpha */
+    *pIa = Ialpha;
+
+    /* Calculating pIb from Ialpha and Ibeta by equation pIb = -(1/2) * Ialpha + (sqrt(3)/2) * Ibeta */
+    *pIb = -0.5 * Ialpha + (float32_t) 0.8660254039 *Ibeta;
+
+  }
+
+  /**
+   * @brief  Inverse Clarke transform for Q31 version 
+   * @param[in]       Ialpha  input two-phase orthogonal vector axis alpha
+   * @param[in]       Ibeta   input two-phase orthogonal vector axis beta
+   * @param[out]      *pIa    points to output three-phase coordinate a
+   * @param[out]      *pIb    points to output three-phase coordinate b
+   * @return none.
+   *
+   * Scaling and Overflow Behavior:
+   * \par
+   * The function is implemented using an internal 32-bit accumulator.
+   * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
+   * There is saturation on the subtraction, hence there is no risk of overflow.
+   */
+
+  __STATIC_INLINE void arm_inv_clarke_q31(
+  q31_t Ialpha,
+  q31_t Ibeta,
+  q31_t * pIa,
+  q31_t * pIb)
+  {
+    q31_t product1, product2;                    /* Temporary variables used to store intermediate results */
+
+    /* Calculating pIa from Ialpha by equation pIa = Ialpha */
+    *pIa = Ialpha;
+
+    /* Intermediate product is calculated by (1/(2*sqrt(3)) * Ia) */
+    product1 = (q31_t) (((q63_t) (Ialpha) * (0x40000000)) >> 31);
+
+    /* Intermediate product is calculated by (1/sqrt(3) * pIb) */
+    product2 = (q31_t) (((q63_t) (Ibeta) * (0x6ED9EBA1)) >> 31);
+
+    /* pIb is calculated by subtracting the products */
+    *pIb = __QSUB(product2, product1);
+
+  }
+
+  /**
+   * @} end of inv_clarke group
+   */
+
+  /**
+   * @brief  Converts the elements of the Q7 vector to Q15 vector.
+   * @param[in]  *pSrc     input pointer
+   * @param[out] *pDst     output pointer
+   * @param[in]  blockSize number of samples to process
+   * @return none.
+   */
+  void arm_q7_to_q15(
+  q7_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+
+
+  /**
+   * @ingroup groupController
+   */
+
+  /**
+   * @defgroup park Vector Park Transform
+   *
+   * Forward Park transform converts the input two-coordinate vector to flux and torque components.
+   * The Park transform can be used to realize the transformation of the Ialpha and the Ibeta currents 
+   * from the stationary to the moving reference frame and control the spatial relationship between 
+   * the stator vector current and rotor flux vector.
+   * If we consider the d axis aligned with the rotor flux, the diagram below shows the 
+   * current vector and the relationship from the two reference frames:
+   * \image html park.gif "Stator current space vector and its component in (a,b) and in the d,q rotating reference frame"
+   *
+   * The function operates on a single sample of data and each call to the function returns the processed output. 
+   * The library provides separate functions for Q31 and floating-point data types.
+   * \par Algorithm
+   * \image html parkFormula.gif
+   * where Ialpha and Ibeta are the stator vector components,  
+   * pId and pIq are rotor vector components and cosVal and sinVal are the 
+   * cosine and sine values of theta (rotor flux position).
+   * \par Fixed-Point Behavior
+   * Care must be taken when using the Q31 version of the Park transform.
+   * In particular, the overflow and saturation behavior of the accumulator used must be considered.
+   * Refer to the function specific documentation below for usage guidelines.
+   */
+
+  /**
+   * @addtogroup park
+   * @{
+   */
+
+  /**
+   * @brief Floating-point Park transform
+   * @param[in]       Ialpha input two-phase vector coordinate alpha
+   * @param[in]       Ibeta  input two-phase vector coordinate beta
+   * @param[out]      *pId   points to output	rotor reference frame d
+   * @param[out]      *pIq   points to output	rotor reference frame q
+   * @param[in]       sinVal sine value of rotation angle theta
+   * @param[in]       cosVal cosine value of rotation angle theta
+   * @return none.
+   *
+   * The function implements the forward Park transform.
+   *
+   */
+
+  __STATIC_INLINE void arm_park_f32(
+  float32_t Ialpha,
+  float32_t Ibeta,
+  float32_t * pId,
+  float32_t * pIq,
+  float32_t sinVal,
+  float32_t cosVal)
+  {
+    /* Calculate pId using the equation, pId = Ialpha * cosVal + Ibeta * sinVal */
+    *pId = Ialpha * cosVal + Ibeta * sinVal;
+
+    /* Calculate pIq using the equation, pIq = - Ialpha * sinVal + Ibeta * cosVal */
+    *pIq = -Ialpha * sinVal + Ibeta * cosVal;
+
+  }
+
+  /**
+   * @brief  Park transform for Q31 version 
+   * @param[in]       Ialpha input two-phase vector coordinate alpha
+   * @param[in]       Ibeta  input two-phase vector coordinate beta
+   * @param[out]      *pId   points to output rotor reference frame d
+   * @param[out]      *pIq   points to output rotor reference frame q
+   * @param[in]       sinVal sine value of rotation angle theta
+   * @param[in]       cosVal cosine value of rotation angle theta
+   * @return none.
+   *
+   * Scaling and Overflow Behavior:
+   * \par
+   * The function is implemented using an internal 32-bit accumulator.
+   * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
+   * There is saturation on the addition and subtraction, hence there is no risk of overflow.
+   */
+
+
+  __STATIC_INLINE void arm_park_q31(
+  q31_t Ialpha,
+  q31_t Ibeta,
+  q31_t * pId,
+  q31_t * pIq,
+  q31_t sinVal,
+  q31_t cosVal)
+  {
+    q31_t product1, product2;                    /* Temporary variables used to store intermediate results */
+    q31_t product3, product4;                    /* Temporary variables used to store intermediate results */
+
+    /* Intermediate product is calculated by (Ialpha * cosVal) */
+    product1 = (q31_t) (((q63_t) (Ialpha) * (cosVal)) >> 31);
+
+    /* Intermediate product is calculated by (Ibeta * sinVal) */
+    product2 = (q31_t) (((q63_t) (Ibeta) * (sinVal)) >> 31);
+
+
+    /* Intermediate product is calculated by (Ialpha * sinVal) */
+    product3 = (q31_t) (((q63_t) (Ialpha) * (sinVal)) >> 31);
+
+    /* Intermediate product is calculated by (Ibeta * cosVal) */
+    product4 = (q31_t) (((q63_t) (Ibeta) * (cosVal)) >> 31);
+
+    /* Calculate pId by adding the two intermediate products 1 and 2 */
+    *pId = __QADD(product1, product2);
+
+    /* Calculate pIq by subtracting the two intermediate products 3 from 4 */
+    *pIq = __QSUB(product4, product3);
+  }
+
+  /**
+   * @} end of park group
+   */
+
+  /**
+   * @brief  Converts the elements of the Q7 vector to floating-point vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[out]  *pDst is output pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @return none.
+   */
+  void arm_q7_to_float(
+  q7_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+
+  /**
+   * @ingroup groupController
+   */
+
+  /**
+   * @defgroup inv_park Vector Inverse Park transform
+   * Inverse Park transform converts the input flux and torque components to two-coordinate vector.
+   *
+   * The function operates on a single sample of data and each call to the function returns the processed output. 
+   * The library provides separate functions for Q31 and floating-point data types.
+   * \par Algorithm
+   * \image html parkInvFormula.gif
+   * where pIalpha and pIbeta are the stator vector components,  
+   * Id and Iq are rotor vector components and cosVal and sinVal are the 
+   * cosine and sine values of theta (rotor flux position).
+   * \par Fixed-Point Behavior
+   * Care must be taken when using the Q31 version of the Park transform.
+   * In particular, the overflow and saturation behavior of the accumulator used must be considered.
+   * Refer to the function specific documentation below for usage guidelines.
+   */
+
+  /**
+   * @addtogroup inv_park
+   * @{
+   */
+
+   /**
+   * @brief  Floating-point Inverse Park transform
+   * @param[in]       Id        input coordinate of rotor reference frame d
+   * @param[in]       Iq        input coordinate of rotor reference frame q
+   * @param[out]      *pIalpha  points to output two-phase orthogonal vector axis alpha
+   * @param[out]      *pIbeta   points to output two-phase orthogonal vector axis beta
+   * @param[in]       sinVal    sine value of rotation angle theta
+   * @param[in]       cosVal    cosine value of rotation angle theta
+   * @return none.
+   */
+
+  __STATIC_INLINE void arm_inv_park_f32(
+  float32_t Id,
+  float32_t Iq,
+  float32_t * pIalpha,
+  float32_t * pIbeta,
+  float32_t sinVal,
+  float32_t cosVal)
+  {
+    /* Calculate pIalpha using the equation, pIalpha = Id * cosVal - Iq * sinVal */
+    *pIalpha = Id * cosVal - Iq * sinVal;
+
+    /* Calculate pIbeta using the equation, pIbeta = Id * sinVal + Iq * cosVal */
+    *pIbeta = Id * sinVal + Iq * cosVal;
+
+  }
+
+
+  /**
+   * @brief  Inverse Park transform for	Q31 version 
+   * @param[in]       Id        input coordinate of rotor reference frame d
+   * @param[in]       Iq        input coordinate of rotor reference frame q
+   * @param[out]      *pIalpha  points to output two-phase orthogonal vector axis alpha
+   * @param[out]      *pIbeta   points to output two-phase orthogonal vector axis beta
+   * @param[in]       sinVal    sine value of rotation angle theta
+   * @param[in]       cosVal    cosine value of rotation angle theta
+   * @return none.
+   *
+   * Scaling and Overflow Behavior:
+   * \par
+   * The function is implemented using an internal 32-bit accumulator.
+   * The accumulator maintains 1.31 format by truncating lower 31 bits of the intermediate multiplication in 2.62 format.
+   * There is saturation on the addition, hence there is no risk of overflow.
+   */
+
+
+  __STATIC_INLINE void arm_inv_park_q31(
+  q31_t Id,
+  q31_t Iq,
+  q31_t * pIalpha,
+  q31_t * pIbeta,
+  q31_t sinVal,
+  q31_t cosVal)
+  {
+    q31_t product1, product2;                    /* Temporary variables used to store intermediate results */
+    q31_t product3, product4;                    /* Temporary variables used to store intermediate results */
+
+    /* Intermediate product is calculated by (Id * cosVal) */
+    product1 = (q31_t) (((q63_t) (Id) * (cosVal)) >> 31);
+
+    /* Intermediate product is calculated by (Iq * sinVal) */
+    product2 = (q31_t) (((q63_t) (Iq) * (sinVal)) >> 31);
+
+
+    /* Intermediate product is calculated by (Id * sinVal) */
+    product3 = (q31_t) (((q63_t) (Id) * (sinVal)) >> 31);
+
+    /* Intermediate product is calculated by (Iq * cosVal) */
+    product4 = (q31_t) (((q63_t) (Iq) * (cosVal)) >> 31);
+
+    /* Calculate pIalpha by using the two intermediate products 1 and 2 */
+    *pIalpha = __QSUB(product1, product2);
+
+    /* Calculate pIbeta by using the two intermediate products 3 and 4 */
+    *pIbeta = __QADD(product4, product3);
+
+  }
+
+  /**
+   * @} end of Inverse park group
+   */
+
+
+  /**
+   * @brief  Converts the elements of the Q31 vector to floating-point vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[out]  *pDst is output pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @return none.
+   */
+  void arm_q31_to_float(
+  q31_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @ingroup groupInterpolation
+   */
+
+  /**
+   * @defgroup LinearInterpolate Linear Interpolation
+   *
+   * Linear interpolation is a method of curve fitting using linear polynomials.
+   * Linear interpolation works by effectively drawing a straight line between two neighboring samples and returning the appropriate point along that line
+   *
+   * \par 
+   * \image html LinearInterp.gif "Linear interpolation"
+   *
+   * \par
+   * A  Linear Interpolate function calculates an output value(y), for the input(x)
+   * using linear interpolation of the input values x0, x1( nearest input values) and the output values y0 and y1(nearest output values)
+   *
+   * \par Algorithm:
+   * 
+   *       y = y0 + (x - x0) * ((y1 - y0)/(x1-x0))
+   *       where x0, x1 are nearest values of input x
+   *             y0, y1 are nearest values to output y
+   * 

+   *
+   * \par
+   * This set of functions implements Linear interpolation process
+   * for Q7, Q15, Q31, and floating-point data types.  The functions operate on a single
+   * sample of data and each call to the function returns a single processed value.
+   * S points to an instance of the Linear Interpolate function data structure.
+   * x is the input sample value. The functions returns the output value.
+   * 
+   * \par
+   * if x is outside of the table boundary, Linear interpolation returns first value of the table 
+   * if x is below input range and returns last value of table if x is above range.  
+   */
+
+  /**
+   * @addtogroup LinearInterpolate
+   * @{
+   */
+
+  /**
+   * @brief  Process function for the floating-point Linear Interpolation Function.
+   * @param[in,out] *S is an instance of the floating-point Linear Interpolation structure
+   * @param[in] x input sample to process
+   * @return y processed output sample.
+   *
+   */
+
+  __STATIC_INLINE float32_t arm_linear_interp_f32(
+  arm_linear_interp_instance_f32 * S,
+  float32_t x)
+  {
+
+    float32_t y;
+    float32_t x0, x1;                            /* Nearest input values */
+    float32_t y0, y1;                            /* Nearest output values */
+    float32_t xSpacing = S->xSpacing;            /* spacing between input values */
+    int32_t i;                                   /* Index variable */
+    float32_t *pYData = S->pYData;               /* pointer to output table */
+
+    /* Calculation of index */
+    i = (x - S->x1) / xSpacing;
+
+    if(i < 0)
+    {
+      /* Iniatilize output for below specified range as least output value of table */
+      y = pYData[0];
+    }
+    else if(i >= S->nValues)
+    {
+      /* Iniatilize output for above specified range as last output value of table */
+      y = pYData[S->nValues - 1];
+    }
+    else
+    {
+      /* Calculation of nearest input values */
+      x0 = S->x1 + i * xSpacing;
+      x1 = S->x1 + (i + 1) * xSpacing;
+
+      /* Read of nearest output values */
+      y0 = pYData[i];
+      y1 = pYData[i + 1];
+
+      /* Calculation of output */
+      y = y0 + (x - x0) * ((y1 - y0) / (x1 - x0));
+
+    }
+
+    /* returns output value */
+    return (y);
+  }
+
+   /**
+   *
+   * @brief  Process function for the Q31 Linear Interpolation Function.
+   * @param[in] *pYData  pointer to Q31 Linear Interpolation table
+   * @param[in] x input sample to process
+   * @param[in] nValues number of table values
+   * @return y processed output sample.
+   *
+   * \par
+   * Input sample x is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
+   * This function can support maximum of table size 2^12.
+   *
+   */
+
+
+  __STATIC_INLINE q31_t arm_linear_interp_q31(
+  q31_t * pYData,
+  q31_t x,
+  uint32_t nValues)
+  {
+    q31_t y;                                     /* output */
+    q31_t y0, y1;                                /* Nearest output values */
+    q31_t fract;                                 /* fractional part */
+    int32_t index;                               /* Index to read nearest output values */
+
+    /* Input is in 12.20 format */
+    /* 12 bits for the table index */
+    /* Index value calculation */
+    index = ((x & 0xFFF00000) >> 20);
+
+    if(index >= (nValues - 1))
+    {
+      return (pYData[nValues - 1]);
+    }
+    else if(index < 0)
+    {
+      return (pYData[0]);
+    }
+    else
+    {
+
+      /* 20 bits for the fractional part */
+      /* shift left by 11 to keep fract in 1.31 format */
+      fract = (x & 0x000FFFFF) << 11;
+
+      /* Read two nearest output values from the index in 1.31(q31) format */
+      y0 = pYData[index];
+      y1 = pYData[index + 1u];
+
+      /* Calculation of y0 * (1-fract) and y is in 2.30 format */
+      y = ((q31_t) ((q63_t) y0 * (0x7FFFFFFF - fract) >> 32));
+
+      /* Calculation of y0 * (1-fract) + y1 *fract and y is in 2.30 format */
+      y += ((q31_t) (((q63_t) y1 * fract) >> 32));
+
+      /* Convert y to 1.31 format */
+      return (y << 1u);
+
+    }
+
+  }
+
+  /**
+   *
+   * @brief  Process function for the Q15 Linear Interpolation Function.
+   * @param[in] *pYData  pointer to Q15 Linear Interpolation table
+   * @param[in] x input sample to process
+   * @param[in] nValues number of table values
+   * @return y processed output sample.
+   *
+   * \par
+   * Input sample x is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
+   * This function can support maximum of table size 2^12. 
+   *
+   */
+
+
+  __STATIC_INLINE q15_t arm_linear_interp_q15(
+  q15_t * pYData,
+  q31_t x,
+  uint32_t nValues)
+  {
+    q63_t y;                                     /* output */
+    q15_t y0, y1;                                /* Nearest output values */
+    q31_t fract;                                 /* fractional part */
+    int32_t index;                               /* Index to read nearest output values */
+
+    /* Input is in 12.20 format */
+    /* 12 bits for the table index */
+    /* Index value calculation */
+    index = ((x & 0xFFF00000) >> 20u);
+
+    if(index >= (nValues - 1))
+    {
+      return (pYData[nValues - 1]);
+    }
+    else if(index < 0)
+    {
+      return (pYData[0]);
+    }
+    else
+    {
+      /* 20 bits for the fractional part */
+      /* fract is in 12.20 format */
+      fract = (x & 0x000FFFFF);
+
+      /* Read two nearest output values from the index */
+      y0 = pYData[index];
+      y1 = pYData[index + 1u];
+
+      /* Calculation of y0 * (1-fract) and y is in 13.35 format */
+      y = ((q63_t) y0 * (0xFFFFF - fract));
+
+      /* Calculation of (y0 * (1-fract) + y1 * fract) and y is in 13.35 format */
+      y += ((q63_t) y1 * (fract));
+
+      /* convert y to 1.15 format */
+      return (y >> 20);
+    }
+
+
+  }
+
+  /**
+   *
+   * @brief  Process function for the Q7 Linear Interpolation Function.
+   * @param[in] *pYData  pointer to Q7 Linear Interpolation table
+   * @param[in] x input sample to process
+   * @param[in] nValues number of table values
+   * @return y processed output sample.
+   *
+   * \par
+   * Input sample x is in 12.20 format which contains 12 bits for table index and 20 bits for fractional part.
+   * This function can support maximum of table size 2^12.
+   */
+
+
+  __STATIC_INLINE q7_t arm_linear_interp_q7(
+  q7_t * pYData,
+  q31_t x,
+  uint32_t nValues)
+  {
+    q31_t y;                                     /* output */
+    q7_t y0, y1;                                 /* Nearest output values */
+    q31_t fract;                                 /* fractional part */
+    int32_t index;                               /* Index to read nearest output values */
+
+    /* Input is in 12.20 format */
+    /* 12 bits for the table index */
+    /* Index value calculation */
+    index = ((x & 0xFFF00000) >> 20u);
+
+
+    if(index >= (nValues - 1))
+    {
+      return (pYData[nValues - 1]);
+    }
+    else if(index < 0)
+    {
+      return (pYData[0]);
+    }
+    else
+    {
+
+      /* 20 bits for the fractional part */
+      /* fract is in 12.20 format */
+      fract = (x & 0x000FFFFF);
+
+      /* Read two nearest output values from the index and are in 1.7(q7) format */
+      y0 = pYData[index];
+      y1 = pYData[index + 1u];
+
+      /* Calculation of y0 * (1-fract ) and y is in 13.27(q27) format */
+      y = ((y0 * (0xFFFFF - fract)));
+
+      /* Calculation of y1 * fract + y0 * (1-fract) and y is in 13.27(q27) format */
+      y += (y1 * fract);
+
+      /* convert y to 1.7(q7) format */
+      return (y >> 20u);
+
+    }
+
+  }
+  /**
+   * @} end of LinearInterpolate group
+   */
+
+  /**
+   * @brief  Fast approximation to the trigonometric sine function for floating-point data.
+   * @param[in] x input value in radians.
+   * @return  sin(x).
+   */
+
+  float32_t arm_sin_f32(
+  float32_t x);
+
+  /**
+   * @brief  Fast approximation to the trigonometric sine function for Q31 data.
+   * @param[in] x Scaled input value in radians.
+   * @return  sin(x).
+   */
+
+  q31_t arm_sin_q31(
+  q31_t x);
+
+  /**
+   * @brief  Fast approximation to the trigonometric sine function for Q15 data.
+   * @param[in] x Scaled input value in radians.
+   * @return  sin(x).
+   */
+
+  q15_t arm_sin_q15(
+  q15_t x);
+
+  /**
+   * @brief  Fast approximation to the trigonometric cosine function for floating-point data.
+   * @param[in] x input value in radians.
+   * @return  cos(x).
+   */
+
+  float32_t arm_cos_f32(
+  float32_t x);
+
+  /**
+   * @brief Fast approximation to the trigonometric cosine function for Q31 data.
+   * @param[in] x Scaled input value in radians.
+   * @return  cos(x).
+   */
+
+  q31_t arm_cos_q31(
+  q31_t x);
+
+  /**
+   * @brief  Fast approximation to the trigonometric cosine function for Q15 data.
+   * @param[in] x Scaled input value in radians.
+   * @return  cos(x).
+   */
+
+  q15_t arm_cos_q15(
+  q15_t x);
+
+
+  /**
+   * @ingroup groupFastMath
+   */
+
+
+  /**
+   * @defgroup SQRT Square Root
+   *
+   * Computes the square root of a number.
+   * There are separate functions for Q15, Q31, and floating-point data types.  
+   * The square root function is computed using the Newton-Raphson algorithm.
+   * This is an iterative algorithm of the form:
+   * 
+   *      x1 = x0 - f(x0)/f'(x0)
+   * 

+   * where x1 is the current estimate,
+   * x0 is the previous estimate and
+   * f'(x0) is the derivative of f() evaluated at x0.
+   * For the square root function, the algorithm reduces to:
+   * 
+   *     x0 = in/2                         [initial guess]
+   *     x1 = 1/2 * ( x0 + in / x0)        [each iteration]
+   * 

+   */
+
+
+  /**
+   * @addtogroup SQRT
+   * @{
+   */
+
+  /**
+   * @brief  Floating-point square root function.
+   * @param[in]  in     input value.
+   * @param[out] *pOut  square root of input value.
+   * @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if
+   * in is negative value and returns zero output for negative values.
+   */
+
+  __STATIC_INLINE arm_status arm_sqrt_f32(
+  float32_t in,
+  float32_t * pOut)
+  {
+    if(in > 0)
+    {
+
+//    #if __FPU_USED
+    #if (__FPU_USED == 1) && defined ( __CC_ARM   )
+        *pOut = __sqrtf(in);
+    #elif (__FPU_USED == 1) && defined ( __TMS_740 )
+        *pOut = __builtin_sqrtf(in);
+    #else
+        *pOut = sqrtf(in);
+    #endif
+
+      return (ARM_MATH_SUCCESS);
+    }
+    else
+    {
+      *pOut = 0.0f;
+      return (ARM_MATH_ARGUMENT_ERROR);
+    }
+
+  }
+
+
+  /**
+   * @brief Q31 square root function.
+   * @param[in]   in    input value.  The range of the input value is [0 +1) or 0x00000000 to 0x7FFFFFFF.
+   * @param[out]  *pOut square root of input value.
+   * @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if
+   * in is negative value and returns zero output for negative values.
+   */
+  arm_status arm_sqrt_q31(
+  q31_t in,
+  q31_t * pOut);
+
+  /**
+   * @brief  Q15 square root function.
+   * @param[in]   in     input value.  The range of the input value is [0 +1) or 0x0000 to 0x7FFF.
+   * @param[out]  *pOut  square root of input value.
+   * @return The function returns ARM_MATH_SUCCESS if input value is positive value or ARM_MATH_ARGUMENT_ERROR if
+   * in is negative value and returns zero output for negative values.
+   */
+  arm_status arm_sqrt_q15(
+  q15_t in,
+  q15_t * pOut);
+
+  /**
+   * @} end of SQRT group
+   */
+
+
+
+
+
+
+  /**
+   * @brief floating-point Circular write function.
+   */
+
+  __STATIC_INLINE void arm_circularWrite_f32(
+  int32_t * circBuffer,
+  int32_t L,
+  uint16_t * writeOffset,
+  int32_t bufferInc,
+  const int32_t * src,
+  int32_t srcInc,
+  uint32_t blockSize)
+  {
+    uint32_t i = 0u;
+    int32_t wOffset;
+
+    /* Copy the value of Index pointer that points
+     * to the current location where the input samples to be copied */
+    wOffset = *writeOffset;
+
+    /* Loop over the blockSize */
+    i = blockSize;
+
+    while(i > 0u)
+    {
+      /* copy the input sample to the circular buffer */
+      circBuffer[wOffset] = *src;
+
+      /* Update the input pointer */
+      src += srcInc;
+
+      /* Circularly update wOffset.  Watch out for positive and negative value */
+      wOffset += bufferInc;
+      if(wOffset >= L)
+        wOffset -= L;
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Update the index pointer */
+    *writeOffset = wOffset;
+  }
+
+
+
+  /**
+   * @brief floating-point Circular Read function.
+   */
+  __STATIC_INLINE void arm_circularRead_f32(
+  int32_t * circBuffer,
+  int32_t L,
+  int32_t * readOffset,
+  int32_t bufferInc,
+  int32_t * dst,
+  int32_t * dst_base,
+  int32_t dst_length,
+  int32_t dstInc,
+  uint32_t blockSize)
+  {
+    uint32_t i = 0u;
+    int32_t rOffset, dst_end;
+
+    /* Copy the value of Index pointer that points
+     * to the current location from where the input samples to be read */
+    rOffset = *readOffset;
+    dst_end = (int32_t) (dst_base + dst_length);
+
+    /* Loop over the blockSize */
+    i = blockSize;
+
+    while(i > 0u)
+    {
+      /* copy the sample from the circular buffer to the destination buffer */
+      *dst = circBuffer[rOffset];
+
+      /* Update the input pointer */
+      dst += dstInc;
+
+      if(dst == (int32_t *) dst_end)
+      {
+        dst = dst_base;
+      }
+
+      /* Circularly update rOffset.  Watch out for positive and negative value  */
+      rOffset += bufferInc;
+
+      if(rOffset >= L)
+      {
+        rOffset -= L;
+      }
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Update the index pointer */
+    *readOffset = rOffset;
+  }
+
+  /**
+   * @brief Q15 Circular write function.
+   */
+
+  __STATIC_INLINE void arm_circularWrite_q15(
+  q15_t * circBuffer,
+  int32_t L,
+  uint16_t * writeOffset,
+  int32_t bufferInc,
+  const q15_t * src,
+  int32_t srcInc,
+  uint32_t blockSize)
+  {
+    uint32_t i = 0u;
+    int32_t wOffset;
+
+    /* Copy the value of Index pointer that points
+     * to the current location where the input samples to be copied */
+    wOffset = *writeOffset;
+
+    /* Loop over the blockSize */
+    i = blockSize;
+
+    while(i > 0u)
+    {
+      /* copy the input sample to the circular buffer */
+      circBuffer[wOffset] = *src;
+
+      /* Update the input pointer */
+      src += srcInc;
+
+      /* Circularly update wOffset.  Watch out for positive and negative value */
+      wOffset += bufferInc;
+      if(wOffset >= L)
+        wOffset -= L;
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Update the index pointer */
+    *writeOffset = wOffset;
+  }
+
+
+
+  /**
+   * @brief Q15 Circular Read function.
+   */
+  __STATIC_INLINE void arm_circularRead_q15(
+  q15_t * circBuffer,
+  int32_t L,
+  int32_t * readOffset,
+  int32_t bufferInc,
+  q15_t * dst,
+  q15_t * dst_base,
+  int32_t dst_length,
+  int32_t dstInc,
+  uint32_t blockSize)
+  {
+    uint32_t i = 0;
+    int32_t rOffset, dst_end;
+
+    /* Copy the value of Index pointer that points
+     * to the current location from where the input samples to be read */
+    rOffset = *readOffset;
+
+    dst_end = (int32_t) (dst_base + dst_length);
+
+    /* Loop over the blockSize */
+    i = blockSize;
+
+    while(i > 0u)
+    {
+      /* copy the sample from the circular buffer to the destination buffer */
+      *dst = circBuffer[rOffset];
+
+      /* Update the input pointer */
+      dst += dstInc;
+
+      if(dst == (q15_t *) dst_end)
+      {
+        dst = dst_base;
+      }
+
+      /* Circularly update wOffset.  Watch out for positive and negative value */
+      rOffset += bufferInc;
+
+      if(rOffset >= L)
+      {
+        rOffset -= L;
+      }
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Update the index pointer */
+    *readOffset = rOffset;
+  }
+
+
+  /**
+   * @brief Q7 Circular write function.
+   */
+
+  __STATIC_INLINE void arm_circularWrite_q7(
+  q7_t * circBuffer,
+  int32_t L,
+  uint16_t * writeOffset,
+  int32_t bufferInc,
+  const q7_t * src,
+  int32_t srcInc,
+  uint32_t blockSize)
+  {
+    uint32_t i = 0u;
+    int32_t wOffset;
+
+    /* Copy the value of Index pointer that points
+     * to the current location where the input samples to be copied */
+    wOffset = *writeOffset;
+
+    /* Loop over the blockSize */
+    i = blockSize;
+
+    while(i > 0u)
+    {
+      /* copy the input sample to the circular buffer */
+      circBuffer[wOffset] = *src;
+
+      /* Update the input pointer */
+      src += srcInc;
+
+      /* Circularly update wOffset.  Watch out for positive and negative value */
+      wOffset += bufferInc;
+      if(wOffset >= L)
+        wOffset -= L;
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Update the index pointer */
+    *writeOffset = wOffset;
+  }
+
+
+
+  /**
+   * @brief Q7 Circular Read function.
+   */
+  __STATIC_INLINE void arm_circularRead_q7(
+  q7_t * circBuffer,
+  int32_t L,
+  int32_t * readOffset,
+  int32_t bufferInc,
+  q7_t * dst,
+  q7_t * dst_base,
+  int32_t dst_length,
+  int32_t dstInc,
+  uint32_t blockSize)
+  {
+    uint32_t i = 0;
+    int32_t rOffset, dst_end;
+
+    /* Copy the value of Index pointer that points
+     * to the current location from where the input samples to be read */
+    rOffset = *readOffset;
+
+    dst_end = (int32_t) (dst_base + dst_length);
+
+    /* Loop over the blockSize */
+    i = blockSize;
+
+    while(i > 0u)
+    {
+      /* copy the sample from the circular buffer to the destination buffer */
+      *dst = circBuffer[rOffset];
+
+      /* Update the input pointer */
+      dst += dstInc;
+
+      if(dst == (q7_t *) dst_end)
+      {
+        dst = dst_base;
+      }
+
+      /* Circularly update rOffset.  Watch out for positive and negative value */
+      rOffset += bufferInc;
+
+      if(rOffset >= L)
+      {
+        rOffset -= L;
+      }
+
+      /* Decrement the loop counter */
+      i--;
+    }
+
+    /* Update the index pointer */
+    *readOffset = rOffset;
+  }
+
+
+  /**
+   * @brief  Sum of the squares of the elements of a Q31 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+
+  void arm_power_q31(
+  q31_t * pSrc,
+  uint32_t blockSize,
+  q63_t * pResult);
+
+  /**
+   * @brief  Sum of the squares of the elements of a floating-point vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+
+  void arm_power_f32(
+  float32_t * pSrc,
+  uint32_t blockSize,
+  float32_t * pResult);
+
+  /**
+   * @brief  Sum of the squares of the elements of a Q15 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+
+  void arm_power_q15(
+  q15_t * pSrc,
+  uint32_t blockSize,
+  q63_t * pResult);
+
+  /**
+   * @brief  Sum of the squares of the elements of a Q7 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+
+  void arm_power_q7(
+  q7_t * pSrc,
+  uint32_t blockSize,
+  q31_t * pResult);
+
+  /**
+   * @brief  Mean value of a Q7 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+
+  void arm_mean_q7(
+  q7_t * pSrc,
+  uint32_t blockSize,
+  q7_t * pResult);
+
+  /**
+   * @brief  Mean value of a Q15 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+  void arm_mean_q15(
+  q15_t * pSrc,
+  uint32_t blockSize,
+  q15_t * pResult);
+
+  /**
+   * @brief  Mean value of a Q31 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+  void arm_mean_q31(
+  q31_t * pSrc,
+  uint32_t blockSize,
+  q31_t * pResult);
+
+  /**
+   * @brief  Mean value of a floating-point vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+  void arm_mean_f32(
+  float32_t * pSrc,
+  uint32_t blockSize,
+  float32_t * pResult);
+
+  /**
+   * @brief  Variance of the elements of a floating-point vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+
+  void arm_var_f32(
+  float32_t * pSrc,
+  uint32_t blockSize,
+  float32_t * pResult);
+
+  /**
+   * @brief  Variance of the elements of a Q31 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+
+  void arm_var_q31(
+  q31_t * pSrc,
+  uint32_t blockSize,
+  q63_t * pResult);
+
+  /**
+   * @brief  Variance of the elements of a Q15 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+
+  void arm_var_q15(
+  q15_t * pSrc,
+  uint32_t blockSize,
+  q31_t * pResult);
+
+  /**
+   * @brief  Root Mean Square of the elements of a floating-point vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+
+  void arm_rms_f32(
+  float32_t * pSrc,
+  uint32_t blockSize,
+  float32_t * pResult);
+
+  /**
+   * @brief  Root Mean Square of the elements of a Q31 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+
+  void arm_rms_q31(
+  q31_t * pSrc,
+  uint32_t blockSize,
+  q31_t * pResult);
+
+  /**
+   * @brief  Root Mean Square of the elements of a Q15 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+
+  void arm_rms_q15(
+  q15_t * pSrc,
+  uint32_t blockSize,
+  q15_t * pResult);
+
+  /**
+   * @brief  Standard deviation of the elements of a floating-point vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+
+  void arm_std_f32(
+  float32_t * pSrc,
+  uint32_t blockSize,
+  float32_t * pResult);
+
+  /**
+   * @brief  Standard deviation of the elements of a Q31 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+
+  void arm_std_q31(
+  q31_t * pSrc,
+  uint32_t blockSize,
+  q31_t * pResult);
+
+  /**
+   * @brief  Standard deviation of the elements of a Q15 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output value.
+   * @return none.
+   */
+
+  void arm_std_q15(
+  q15_t * pSrc,
+  uint32_t blockSize,
+  q15_t * pResult);
+
+  /**
+   * @brief  Floating-point complex magnitude
+   * @param[in]  *pSrc points to the complex input vector
+   * @param[out]  *pDst points to the real output vector
+   * @param[in]  numSamples number of complex samples in the input vector
+   * @return none.
+   */
+
+  void arm_cmplx_mag_f32(
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t numSamples);
+
+  /**
+   * @brief  Q31 complex magnitude
+   * @param[in]  *pSrc points to the complex input vector
+   * @param[out]  *pDst points to the real output vector
+   * @param[in]  numSamples number of complex samples in the input vector
+   * @return none.
+   */
+
+  void arm_cmplx_mag_q31(
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t numSamples);
+
+  /**
+   * @brief  Q15 complex magnitude
+   * @param[in]  *pSrc points to the complex input vector
+   * @param[out]  *pDst points to the real output vector
+   * @param[in]  numSamples number of complex samples in the input vector
+   * @return none.
+   */
+
+  void arm_cmplx_mag_q15(
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t numSamples);
+
+  /**
+   * @brief  Q15 complex dot product
+   * @param[in]  *pSrcA points to the first input vector
+   * @param[in]  *pSrcB points to the second input vector
+   * @param[in]  numSamples number of complex samples in each vector
+   * @param[out]  *realResult real part of the result returned here
+   * @param[out]  *imagResult imaginary part of the result returned here
+   * @return none.
+   */
+
+  void arm_cmplx_dot_prod_q15(
+  q15_t * pSrcA,
+  q15_t * pSrcB,
+  uint32_t numSamples,
+  q31_t * realResult,
+  q31_t * imagResult);
+
+  /**
+   * @brief  Q31 complex dot product
+   * @param[in]  *pSrcA points to the first input vector
+   * @param[in]  *pSrcB points to the second input vector
+   * @param[in]  numSamples number of complex samples in each vector
+   * @param[out]  *realResult real part of the result returned here
+   * @param[out]  *imagResult imaginary part of the result returned here
+   * @return none.
+   */
+
+  void arm_cmplx_dot_prod_q31(
+  q31_t * pSrcA,
+  q31_t * pSrcB,
+  uint32_t numSamples,
+  q63_t * realResult,
+  q63_t * imagResult);
+
+  /**
+   * @brief  Floating-point complex dot product
+   * @param[in]  *pSrcA points to the first input vector
+   * @param[in]  *pSrcB points to the second input vector
+   * @param[in]  numSamples number of complex samples in each vector
+   * @param[out]  *realResult real part of the result returned here
+   * @param[out]  *imagResult imaginary part of the result returned here
+   * @return none.
+   */
+
+  void arm_cmplx_dot_prod_f32(
+  float32_t * pSrcA,
+  float32_t * pSrcB,
+  uint32_t numSamples,
+  float32_t * realResult,
+  float32_t * imagResult);
+
+  /**
+   * @brief  Q15 complex-by-real multiplication
+   * @param[in]  *pSrcCmplx points to the complex input vector
+   * @param[in]  *pSrcReal points to the real input vector
+   * @param[out]  *pCmplxDst points to the complex output vector
+   * @param[in]  numSamples number of samples in each vector
+   * @return none.
+   */
+
+  void arm_cmplx_mult_real_q15(
+  q15_t * pSrcCmplx,
+  q15_t * pSrcReal,
+  q15_t * pCmplxDst,
+  uint32_t numSamples);
+
+  /**
+   * @brief  Q31 complex-by-real multiplication
+   * @param[in]  *pSrcCmplx points to the complex input vector
+   * @param[in]  *pSrcReal points to the real input vector
+   * @param[out]  *pCmplxDst points to the complex output vector
+   * @param[in]  numSamples number of samples in each vector
+   * @return none.
+   */
+
+  void arm_cmplx_mult_real_q31(
+  q31_t * pSrcCmplx,
+  q31_t * pSrcReal,
+  q31_t * pCmplxDst,
+  uint32_t numSamples);
+
+  /**
+   * @brief  Floating-point complex-by-real multiplication
+   * @param[in]  *pSrcCmplx points to the complex input vector
+   * @param[in]  *pSrcReal points to the real input vector
+   * @param[out]  *pCmplxDst points to the complex output vector
+   * @param[in]  numSamples number of samples in each vector
+   * @return none.
+   */
+
+  void arm_cmplx_mult_real_f32(
+  float32_t * pSrcCmplx,
+  float32_t * pSrcReal,
+  float32_t * pCmplxDst,
+  uint32_t numSamples);
+
+  /**
+   * @brief  Minimum value of a Q7 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *result is output pointer
+   * @param[in]  index is the array index of the minimum value in the input buffer.
+   * @return none.
+   */
+
+  void arm_min_q7(
+  q7_t * pSrc,
+  uint32_t blockSize,
+  q7_t * result,
+  uint32_t * index);
+
+  /**
+   * @brief  Minimum value of a Q15 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output pointer
+   * @param[in]  *pIndex is the array index of the minimum value in the input buffer.
+   * @return none.
+   */
+
+  void arm_min_q15(
+  q15_t * pSrc,
+  uint32_t blockSize,
+  q15_t * pResult,
+  uint32_t * pIndex);
+
+  /**
+   * @brief  Minimum value of a Q31 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output pointer
+   * @param[out]  *pIndex is the array index of the minimum value in the input buffer.
+   * @return none.
+   */
+  void arm_min_q31(
+  q31_t * pSrc,
+  uint32_t blockSize,
+  q31_t * pResult,
+  uint32_t * pIndex);
+
+  /**
+   * @brief  Minimum value of a floating-point vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @param[out]  *pResult is output pointer
+   * @param[out]  *pIndex is the array index of the minimum value in the input buffer.
+   * @return none.
+   */
+
+  void arm_min_f32(
+  float32_t * pSrc,
+  uint32_t blockSize,
+  float32_t * pResult,
+  uint32_t * pIndex);
+
+/**
+ * @brief Maximum value of a Q7 vector.
+ * @param[in]       *pSrc points to the input buffer
+ * @param[in]       blockSize length of the input vector
+ * @param[out]      *pResult maximum value returned here
+ * @param[out]      *pIndex index of maximum value returned here
+ * @return none.
+ */
+
+  void arm_max_q7(
+  q7_t * pSrc,
+  uint32_t blockSize,
+  q7_t * pResult,
+  uint32_t * pIndex);
+
+/**
+ * @brief Maximum value of a Q15 vector.
+ * @param[in]       *pSrc points to the input buffer
+ * @param[in]       blockSize length of the input vector
+ * @param[out]      *pResult maximum value returned here
+ * @param[out]      *pIndex index of maximum value returned here
+ * @return none.
+ */
+
+  void arm_max_q15(
+  q15_t * pSrc,
+  uint32_t blockSize,
+  q15_t * pResult,
+  uint32_t * pIndex);
+
+/**
+ * @brief Maximum value of a Q31 vector.
+ * @param[in]       *pSrc points to the input buffer
+ * @param[in]       blockSize length of the input vector
+ * @param[out]      *pResult maximum value returned here
+ * @param[out]      *pIndex index of maximum value returned here
+ * @return none.
+ */
+
+  void arm_max_q31(
+  q31_t * pSrc,
+  uint32_t blockSize,
+  q31_t * pResult,
+  uint32_t * pIndex);
+
+/**
+ * @brief Maximum value of a floating-point vector.
+ * @param[in]       *pSrc points to the input buffer
+ * @param[in]       blockSize length of the input vector
+ * @param[out]      *pResult maximum value returned here
+ * @param[out]      *pIndex index of maximum value returned here
+ * @return none.
+ */
+
+  void arm_max_f32(
+  float32_t * pSrc,
+  uint32_t blockSize,
+  float32_t * pResult,
+  uint32_t * pIndex);
+
+  /**
+   * @brief  Q15 complex-by-complex multiplication
+   * @param[in]  *pSrcA points to the first input vector
+   * @param[in]  *pSrcB points to the second input vector
+   * @param[out]  *pDst  points to the output vector
+   * @param[in]  numSamples number of complex samples in each vector
+   * @return none.
+   */
+
+  void arm_cmplx_mult_cmplx_q15(
+  q15_t * pSrcA,
+  q15_t * pSrcB,
+  q15_t * pDst,
+  uint32_t numSamples);
+
+  /**
+   * @brief  Q31 complex-by-complex multiplication
+   * @param[in]  *pSrcA points to the first input vector
+   * @param[in]  *pSrcB points to the second input vector
+   * @param[out]  *pDst  points to the output vector
+   * @param[in]  numSamples number of complex samples in each vector
+   * @return none.
+   */
+
+  void arm_cmplx_mult_cmplx_q31(
+  q31_t * pSrcA,
+  q31_t * pSrcB,
+  q31_t * pDst,
+  uint32_t numSamples);
+
+  /**
+   * @brief  Floating-point complex-by-complex multiplication
+   * @param[in]  *pSrcA points to the first input vector
+   * @param[in]  *pSrcB points to the second input vector
+   * @param[out]  *pDst  points to the output vector
+   * @param[in]  numSamples number of complex samples in each vector
+   * @return none.
+   */
+
+  void arm_cmplx_mult_cmplx_f32(
+  float32_t * pSrcA,
+  float32_t * pSrcB,
+  float32_t * pDst,
+  uint32_t numSamples);
+
+  /**
+   * @brief Converts the elements of the floating-point vector to Q31 vector. 
+   * @param[in]       *pSrc points to the floating-point input vector 
+   * @param[out]      *pDst points to the Q31 output vector
+   * @param[in]       blockSize length of the input vector 
+   * @return none. 
+   */
+  void arm_float_to_q31(
+  float32_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Converts the elements of the floating-point vector to Q15 vector. 
+   * @param[in]       *pSrc points to the floating-point input vector 
+   * @param[out]      *pDst points to the Q15 output vector
+   * @param[in]       blockSize length of the input vector 
+   * @return          none
+   */
+  void arm_float_to_q15(
+  float32_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief Converts the elements of the floating-point vector to Q7 vector. 
+   * @param[in]       *pSrc points to the floating-point input vector 
+   * @param[out]      *pDst points to the Q7 output vector
+   * @param[in]       blockSize length of the input vector 
+   * @return          none
+   */
+  void arm_float_to_q7(
+  float32_t * pSrc,
+  q7_t * pDst,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief  Converts the elements of the Q31 vector to Q15 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[out]  *pDst is output pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @return none.
+   */
+  void arm_q31_to_q15(
+  q31_t * pSrc,
+  q15_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Converts the elements of the Q31 vector to Q7 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[out]  *pDst is output pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @return none.
+   */
+  void arm_q31_to_q7(
+  q31_t * pSrc,
+  q7_t * pDst,
+  uint32_t blockSize);
+
+  /**
+   * @brief  Converts the elements of the Q15 vector to floating-point vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[out]  *pDst is output pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @return none.
+   */
+  void arm_q15_to_float(
+  q15_t * pSrc,
+  float32_t * pDst,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief  Converts the elements of the Q15 vector to Q31 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[out]  *pDst is output pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @return none.
+   */
+  void arm_q15_to_q31(
+  q15_t * pSrc,
+  q31_t * pDst,
+  uint32_t blockSize);
+
+
+  /**
+   * @brief  Converts the elements of the Q15 vector to Q7 vector.
+   * @param[in]  *pSrc is input pointer
+   * @param[out]  *pDst is output pointer
+   * @param[in]  blockSize is the number of samples to process
+   * @return none.
+   */
+  void arm_q15_to_q7(
+  q15_t * pSrc,
+  q7_t * pDst,
+  uint32_t blockSize);
+
+
+  /**
+   * @ingroup groupInterpolation
+   */
+
+  /**
+   * @defgroup BilinearInterpolate Bilinear Interpolation
+   *
+   * Bilinear interpolation is an extension of linear interpolation applied to a two dimensional grid.
+   * The underlying function f(x, y) is sampled on a regular grid and the interpolation process
+   * determines values between the grid points.
+   * Bilinear interpolation is equivalent to two step linear interpolation, first in the x-dimension and then in the y-dimension.
+   * Bilinear interpolation is often used in image processing to rescale images.
+   * The CMSIS DSP library provides bilinear interpolation functions for Q7, Q15, Q31, and floating-point data types.
+   *
+   * Algorithm
+   * \par
+   * The instance structure used by the bilinear interpolation functions describes a two dimensional data table.
+   * For floating-point, the instance structure is defined as:
+   * 
+   *   typedef struct
+   *   {
+   *     uint16_t numRows;
+   *     uint16_t numCols;
+   *     float32_t *pData;
+   * } arm_bilinear_interp_instance_f32;
+   * 

+   *
+   * \par
+   * where numRows specifies the number of rows in the table;
+   * numCols specifies the number of columns in the table;
+   * and pData points to an array of size numRows*numCols values.
+   * The data table pTable is organized in row order and the supplied data values fall on integer indexes.
+   * That is, table element (x,y) is located at pTable[x + y*numCols] where x and y are integers.
+   *
+   * \par
+   * Let (x, y) specify the desired interpolation point.  Then define:
+   * 
+   *     XF = floor(x)
+   *     YF = floor(y)
+   * 

+   * \par
+   * The interpolated output point is computed as:
+   * 
+   *  f(x, y) = f(XF, YF) * (1-(x-XF)) * (1-(y-YF))
+   *           + f(XF+1, YF) * (x-XF)*(1-(y-YF))
+   *           + f(XF, YF+1) * (1-(x-XF))*(y-YF)
+   *           + f(XF+1, YF+1) * (x-XF)*(y-YF)
+   * 

+   * Note that the coordinates (x, y) contain integer and fractional components.  
+   * The integer components specify which portion of the table to use while the
+   * fractional components control the interpolation processor.
+   *
+   * \par
+   * if (x,y) are outside of the table boundary, Bilinear interpolation returns zero output. 
+   */
+
+  /**
+   * @addtogroup BilinearInterpolate
+   * @{
+   */
+
+  /**
+  *
+  * @brief  Floating-point bilinear interpolation.
+  * @param[in,out] *S points to an instance of the interpolation structure.
+  * @param[in] X interpolation coordinate.
+  * @param[in] Y interpolation coordinate.
+  * @return out interpolated value.
+  */
+
+
+  __STATIC_INLINE float32_t arm_bilinear_interp_f32(
+  const arm_bilinear_interp_instance_f32 * S,
+  float32_t X,
+  float32_t Y)
+  {
+    float32_t out;
+    float32_t f00, f01, f10, f11;
+    float32_t *pData = S->pData;
+    int32_t xIndex, yIndex, index;
+    float32_t xdiff, ydiff;
+    float32_t b1, b2, b3, b4;
+
+    xIndex = (int32_t) X;
+    yIndex = (int32_t) Y;
+
+    /* Care taken for table outside boundary */
+    /* Returns zero output when values are outside table boundary */
+    if(xIndex < 0 || xIndex > (S->numRows - 1) || yIndex < 0
+       || yIndex > (S->numCols - 1))
+    {
+      return (0);
+    }
+
+    /* Calculation of index for two nearest points in X-direction */
+    index = (xIndex - 1) + (yIndex - 1) * S->numCols;
+
+
+    /* Read two nearest points in X-direction */
+    f00 = pData[index];
+    f01 = pData[index + 1];
+
+    /* Calculation of index for two nearest points in Y-direction */
+    index = (xIndex - 1) + (yIndex) * S->numCols;
+
+
+    /* Read two nearest points in Y-direction */
+    f10 = pData[index];
+    f11 = pData[index + 1];
+
+    /* Calculation of intermediate values */
+    b1 = f00;
+    b2 = f01 - f00;
+    b3 = f10 - f00;
+    b4 = f00 - f01 - f10 + f11;
+
+    /* Calculation of fractional part in X */
+    xdiff = X - xIndex;
+
+    /* Calculation of fractional part in Y */
+    ydiff = Y - yIndex;
+
+    /* Calculation of bi-linear interpolated output */
+    out = b1 + b2 * xdiff + b3 * ydiff + b4 * xdiff * ydiff;
+
+    /* return to application */
+    return (out);
+
+  }
+
+  /**
+  *
+  * @brief  Q31 bilinear interpolation.
+  * @param[in,out] *S points to an instance of the interpolation structure.
+  * @param[in] X interpolation coordinate in 12.20 format.
+  * @param[in] Y interpolation coordinate in 12.20 format.
+  * @return out interpolated value.
+  */
+
+  __STATIC_INLINE q31_t arm_bilinear_interp_q31(
+  arm_bilinear_interp_instance_q31 * S,
+  q31_t X,
+  q31_t Y)
+  {
+    q31_t out;                                   /* Temporary output */
+    q31_t acc = 0;                               /* output */
+    q31_t xfract, yfract;                        /* X, Y fractional parts */
+    q31_t x1, x2, y1, y2;                        /* Nearest output values */
+    int32_t rI, cI;                              /* Row and column indices */
+    q31_t *pYData = S->pData;                    /* pointer to output table values */
+    uint32_t nCols = S->numCols;                 /* num of rows */
+
+
+    /* Input is in 12.20 format */
+    /* 12 bits for the table index */
+    /* Index value calculation */
+    rI = ((X & 0xFFF00000) >> 20u);
+
+    /* Input is in 12.20 format */
+    /* 12 bits for the table index */
+    /* Index value calculation */
+    cI = ((Y & 0xFFF00000) >> 20u);
+
+    /* Care taken for table outside boundary */
+    /* Returns zero output when values are outside table boundary */
+    if(rI < 0 || rI > (S->numRows - 1) || cI < 0 || cI > (S->numCols - 1))
+    {
+      return (0);
+    }
+
+    /* 20 bits for the fractional part */
+    /* shift left xfract by 11 to keep 1.31 format */
+    xfract = (X & 0x000FFFFF) << 11u;
+
+    /* Read two nearest output values from the index */
+    x1 = pYData[(rI) + nCols * (cI)];
+    x2 = pYData[(rI) + nCols * (cI) + 1u];
+
+    /* 20 bits for the fractional part */
+    /* shift left yfract by 11 to keep 1.31 format */
+    yfract = (Y & 0x000FFFFF) << 11u;
+
+    /* Read two nearest output values from the index */
+    y1 = pYData[(rI) + nCols * (cI + 1)];
+    y2 = pYData[(rI) + nCols * (cI + 1) + 1u];
+
+    /* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 3.29(q29) format */
+    out = ((q31_t) (((q63_t) x1 * (0x7FFFFFFF - xfract)) >> 32));
+    acc = ((q31_t) (((q63_t) out * (0x7FFFFFFF - yfract)) >> 32));
+
+    /* x2 * (xfract) * (1-yfract)  in 3.29(q29) and adding to acc */
+    out = ((q31_t) ((q63_t) x2 * (0x7FFFFFFF - yfract) >> 32));
+    acc += ((q31_t) ((q63_t) out * (xfract) >> 32));
+
+    /* y1 * (1 - xfract) * (yfract)  in 3.29(q29) and adding to acc */
+    out = ((q31_t) ((q63_t) y1 * (0x7FFFFFFF - xfract) >> 32));
+    acc += ((q31_t) ((q63_t) out * (yfract) >> 32));
+
+    /* y2 * (xfract) * (yfract)  in 3.29(q29) and adding to acc */
+    out = ((q31_t) ((q63_t) y2 * (xfract) >> 32));
+    acc += ((q31_t) ((q63_t) out * (yfract) >> 32));
+
+    /* Convert acc to 1.31(q31) format */
+    return (acc << 2u);
+
+  }
+
+  /**
+  * @brief  Q15 bilinear interpolation.
+  * @param[in,out] *S points to an instance of the interpolation structure.
+  * @param[in] X interpolation coordinate in 12.20 format.
+  * @param[in] Y interpolation coordinate in 12.20 format.
+  * @return out interpolated value.
+  */
+
+  __STATIC_INLINE q15_t arm_bilinear_interp_q15(
+  arm_bilinear_interp_instance_q15 * S,
+  q31_t X,
+  q31_t Y)
+  {
+    q63_t acc = 0;                               /* output */
+    q31_t out;                                   /* Temporary output */
+    q15_t x1, x2, y1, y2;                        /* Nearest output values */
+    q31_t xfract, yfract;                        /* X, Y fractional parts */
+    int32_t rI, cI;                              /* Row and column indices */
+    q15_t *pYData = S->pData;                    /* pointer to output table values */
+    uint32_t nCols = S->numCols;                 /* num of rows */
+
+    /* Input is in 12.20 format */
+    /* 12 bits for the table index */
+    /* Index value calculation */
+    rI = ((X & 0xFFF00000) >> 20);
+
+    /* Input is in 12.20 format */
+    /* 12 bits for the table index */
+    /* Index value calculation */
+    cI = ((Y & 0xFFF00000) >> 20);
+
+    /* Care taken for table outside boundary */
+    /* Returns zero output when values are outside table boundary */
+    if(rI < 0 || rI > (S->numRows - 1) || cI < 0 || cI > (S->numCols - 1))
+    {
+      return (0);
+    }
+
+    /* 20 bits for the fractional part */
+    /* xfract should be in 12.20 format */
+    xfract = (X & 0x000FFFFF);
+
+    /* Read two nearest output values from the index */
+    x1 = pYData[(rI) + nCols * (cI)];
+    x2 = pYData[(rI) + nCols * (cI) + 1u];
+
+
+    /* 20 bits for the fractional part */
+    /* yfract should be in 12.20 format */
+    yfract = (Y & 0x000FFFFF);
+
+    /* Read two nearest output values from the index */
+    y1 = pYData[(rI) + nCols * (cI + 1)];
+    y2 = pYData[(rI) + nCols * (cI + 1) + 1u];
+
+    /* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 13.51 format */
+
+    /* x1 is in 1.15(q15), xfract in 12.20 format and out is in 13.35 format */
+    /* convert 13.35 to 13.31 by right shifting  and out is in 1.31 */
+    out = (q31_t) (((q63_t) x1 * (0xFFFFF - xfract)) >> 4u);
+    acc = ((q63_t) out * (0xFFFFF - yfract));
+
+    /* x2 * (xfract) * (1-yfract)  in 1.51 and adding to acc */
+    out = (q31_t) (((q63_t) x2 * (0xFFFFF - yfract)) >> 4u);
+    acc += ((q63_t) out * (xfract));
+
+    /* y1 * (1 - xfract) * (yfract)  in 1.51 and adding to acc */
+    out = (q31_t) (((q63_t) y1 * (0xFFFFF - xfract)) >> 4u);
+    acc += ((q63_t) out * (yfract));
+
+    /* y2 * (xfract) * (yfract)  in 1.51 and adding to acc */
+    out = (q31_t) (((q63_t) y2 * (xfract)) >> 4u);
+    acc += ((q63_t) out * (yfract));
+
+    /* acc is in 13.51 format and down shift acc by 36 times */
+    /* Convert out to 1.15 format */
+    return (acc >> 36);
+
+  }
+
+  /**
+  * @brief  Q7 bilinear interpolation.
+  * @param[in,out] *S points to an instance of the interpolation structure.
+  * @param[in] X interpolation coordinate in 12.20 format.
+  * @param[in] Y interpolation coordinate in 12.20 format.
+  * @return out interpolated value.
+  */
+
+  __STATIC_INLINE q7_t arm_bilinear_interp_q7(
+  arm_bilinear_interp_instance_q7 * S,
+  q31_t X,
+  q31_t Y)
+  {
+    q63_t acc = 0;                               /* output */
+    q31_t out;                                   /* Temporary output */
+    q31_t xfract, yfract;                        /* X, Y fractional parts */
+    q7_t x1, x2, y1, y2;                         /* Nearest output values */
+    int32_t rI, cI;                              /* Row and column indices */
+    q7_t *pYData = S->pData;                     /* pointer to output table values */
+    uint32_t nCols = S->numCols;                 /* num of rows */
+
+    /* Input is in 12.20 format */
+    /* 12 bits for the table index */
+    /* Index value calculation */
+    rI = ((X & 0xFFF00000) >> 20);
+
+    /* Input is in 12.20 format */
+    /* 12 bits for the table index */
+    /* Index value calculation */
+    cI = ((Y & 0xFFF00000) >> 20);
+
+    /* Care taken for table outside boundary */
+    /* Returns zero output when values are outside table boundary */
+    if(rI < 0 || rI > (S->numRows - 1) || cI < 0 || cI > (S->numCols - 1))
+    {
+      return (0);
+    }
+
+    /* 20 bits for the fractional part */
+    /* xfract should be in 12.20 format */
+    xfract = (X & 0x000FFFFF);
+
+    /* Read two nearest output values from the index */
+    x1 = pYData[(rI) + nCols * (cI)];
+    x2 = pYData[(rI) + nCols * (cI) + 1u];
+
+
+    /* 20 bits for the fractional part */
+    /* yfract should be in 12.20 format */
+    yfract = (Y & 0x000FFFFF);
+
+    /* Read two nearest output values from the index */
+    y1 = pYData[(rI) + nCols * (cI + 1)];
+    y2 = pYData[(rI) + nCols * (cI + 1) + 1u];
+
+    /* Calculation of x1 * (1-xfract ) * (1-yfract) and acc is in 16.47 format */
+    out = ((x1 * (0xFFFFF - xfract)));
+    acc = (((q63_t) out * (0xFFFFF - yfract)));
+
+    /* x2 * (xfract) * (1-yfract)  in 2.22 and adding to acc */
+    out = ((x2 * (0xFFFFF - yfract)));
+    acc += (((q63_t) out * (xfract)));
+
+    /* y1 * (1 - xfract) * (yfract)  in 2.22 and adding to acc */
+    out = ((y1 * (0xFFFFF - xfract)));
+    acc += (((q63_t) out * (yfract)));
+
+    /* y2 * (xfract) * (yfract)  in 2.22 and adding to acc */
+    out = ((y2 * (yfract)));
+    acc += (((q63_t) out * (xfract)));
+
+    /* acc in 16.47 format and down shift by 40 to convert to 1.7 format */
+    return (acc >> 40);
+
+  }
+
+  /**
+   * @} end of BilinearInterpolate group
+   */
+
+
+
+
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+
+#endif /* _ARM_MATH_H */
+
+
+/**
+ *
+ * End of file.
+ */
diff --git a/libraries/dsp/cmsis_dsp/math_helper.h b/libraries/dsp/cmsis_dsp/math_helper.h
new file mode 100644
index 0000000000..934a75d45c
--- /dev/null
+++ b/libraries/dsp/cmsis_dsp/math_helper.h
@@ -0,0 +1,63 @@
+/* ----------------------------------------------------------------------
+* Copyright (C) 2010 ARM Limited. All rights reserved.  
+*  
+* $Date:        29. November 2010  
+* $Revision: 	V1.0.3  
+*  
+* Project: 	    CMSIS DSP Library 
+*
+* Title:	    math_helper.h
+* 
+*
+* Description:	Prototypes of all helper functions required.  
+*
+* Target Processor: Cortex-M4/Cortex-M3
+*  
+* Version 1.0.3 2010/11/29 
+*    Re-organized the CMSIS folders and updated documentation.  
+*   
+* Version 1.0.2 2010/11/11  
+*    Documentation updated.   
+*  
+* Version 1.0.1 2010/10/05   
+*    Production release and review comments incorporated.  
+*  
+* Version 1.0.0 2010/09/20   
+*    Production release and review comments incorporated.  
+*  
+* Version 0.0.7  2010/06/10   
+*    Misra-C changes done 
+* -------------------------------------------------------------------- */
+
+
+#include "arm_math.h"
+
+#ifndef MATH_HELPER_H
+#define MATH_HELPER_H
+
+#ifdef  __cplusplus
+extern "C"
+{
+#endif
+
+float arm_snr_f32(float *pRef, float *pTest,  uint32_t buffSize);  
+void arm_float_to_q12_20(float *pIn, q31_t * pOut, uint32_t numSamples);
+void arm_provide_guard_bits_q15(q15_t *input_buf, uint32_t blockSize, uint32_t guard_bits);
+void arm_provide_guard_bits_q31(q31_t *input_buf, uint32_t blockSize, uint32_t guard_bits);
+void arm_float_to_q14(float *pIn, q15_t *pOut, uint32_t numSamples);
+void arm_float_to_q29(float *pIn, q31_t *pOut, uint32_t numSamples);
+void arm_float_to_q28(float *pIn, q31_t *pOut, uint32_t numSamples);
+void arm_float_to_q30(float *pIn, q31_t *pOut, uint32_t numSamples);
+void arm_clip_f32(float *pIn, uint32_t numSamples);
+uint32_t arm_calc_guard_bits(uint32_t num_adds);
+void arm_apply_guard_bits (float32_t * pIn, uint32_t numSamples, uint32_t guard_bits);
+uint32_t arm_compare_fixed_q15(q15_t *pIn, q15_t * pOut, uint32_t numSamples);
+uint32_t arm_compare_fixed_q31(q31_t *pIn, q31_t *pOut, uint32_t numSamples);
+uint32_t arm_calc_2pow(uint32_t guard_bits);
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/libraries/dsp/dsp/FIR_f32.h b/libraries/dsp/dsp/FIR_f32.h
new file mode 100644
index 0000000000..bbb9f927fc
--- /dev/null
+++ b/libraries/dsp/dsp/FIR_f32.h
@@ -0,0 +1,51 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef FIR_F32_H
+#define FIR_F32_H 
+
+#include 
+#include "arm_math.h"
+
+namespace dsp {
+
+template
+class FIR_f32 {
+public:
+    FIR_f32(const float32_t *coeff) {
+        arm_fir_init_f32(&fir, num_taps, (float32_t*)coeff, fir_state, block_size);
+    }
+    
+    void process(float32_t *sgn_in, float32_t *sgn_out) {
+        arm_fir_f32(&fir, sgn_in, sgn_out, block_size);
+    }
+    
+    void reset(void) {
+        memset(fir_state, 0, sizeof(fir_state));
+    }
+
+private:
+    arm_fir_instance_f32 fir;
+    float32_t fir_state[block_size + num_taps - 1];
+};
+
+}
+#endif
diff --git a/libraries/dsp/dsp/Sine_f32.cpp b/libraries/dsp/dsp/Sine_f32.cpp
new file mode 100644
index 0000000000..b77a847182
--- /dev/null
+++ b/libraries/dsp/dsp/Sine_f32.cpp
@@ -0,0 +1,56 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "Sine_f32.h"
+#include "math_helper.h"
+
+#define RAD_2PI         (2. * PI)
+
+namespace dsp {
+
+Sine_f32::Sine_f32(uint32_t frequency, uint32_t sample_rate, float32_t amplitude, float32_t phase, uint32_t block_size) {
+    _dx = RAD_2PI * ((float32_t)frequency / (float32_t)sample_rate);
+    _amplitude = amplitude;
+    _x = phase;
+    _block_size = block_size;
+}
+
+void Sine_f32::process(float32_t *sgn_in, float32_t *sgn_out) {
+    for (int i=0; i<_block_size; i++) {
+        *sgn_out = *sgn_in + (_amplitude * arm_sin_f32(_x));
+        sgn_in++; sgn_out++;
+        _x += _dx;
+    }
+}
+
+void Sine_f32::generate(float32_t *sgn) {
+    for (int i=0; i<_block_size; i++) {
+        *sgn = (_amplitude * arm_sin_f32(_x));
+        sgn++;
+        _x += _dx;
+    }
+}
+
+void Sine_f32::reset(void) {
+    _x = 0.0f;
+}
+
+}
diff --git a/libraries/dsp/dsp/Sine_f32.h b/libraries/dsp/dsp/Sine_f32.h
new file mode 100644
index 0000000000..7987785723
--- /dev/null
+++ b/libraries/dsp/dsp/Sine_f32.h
@@ -0,0 +1,48 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef SINE_F32_H
+#define SINE_F32_H 
+
+#include 
+#include "arm_math.h"
+
+namespace dsp {
+
+class Sine_f32 {
+public:
+    Sine_f32(uint32_t frequency, uint32_t sample_rate=48000, float32_t amplitude=1.f, float32_t phase=0.0, uint32_t block_size=32);
+    
+    void process(float32_t *sgn_in, float32_t *sgn_out);
+    
+    void generate(float32_t *sgn);
+    
+    void reset(void);
+
+private:
+    float32_t _dx;
+    float32_t _amplitude;
+    float32_t _x;
+    uint32_t _block_size;
+};
+
+}
+#endif
diff --git a/libraries/dsp/dsp/dsp.h b/libraries/dsp/dsp/dsp.h
new file mode 100644
index 0000000000..0ac5e8e0f6
--- /dev/null
+++ b/libraries/dsp/dsp/dsp.h
@@ -0,0 +1,33 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef DSP_H
+#define DSP_H
+
+#include "math_helper.h"
+#include "arm_math.h"
+
+#include "FIR_f32.h"
+#include "Sine_f32.h"
+
+using namespace dsp;
+
+#endif
diff --git a/libraries/fs/fat/ChaN/ccsbcs.cpp b/libraries/fs/fat/ChaN/ccsbcs.cpp
new file mode 100644
index 0000000000..01d94428c1
--- /dev/null
+++ b/libraries/fs/fat/ChaN/ccsbcs.cpp
@@ -0,0 +1,540 @@
+/*------------------------------------------------------------------------*/
+/* Unicode - Local code bidirectional converter  (C)ChaN, 2009            */
+/* (SBCS code pages)                                                      */
+/*------------------------------------------------------------------------*/
+/*  437   U.S. (OEM)
+/   720   Arabic (OEM)
+/   1256  Arabic (Windows)
+/   737   Greek (OEM)
+/   1253  Greek (Windows)
+/   1250  Central Europe (Windows)
+/   775   Baltic (OEM)
+/   1257  Baltic (Windows)
+/   850   Multilingual Latin 1 (OEM)
+/   852   Latin 2 (OEM)
+/   1252  Latin 1 (Windows)
+/   855   Cyrillic (OEM)
+/   1251  Cyrillic (Windows)
+/   866   Russian (OEM)
+/   857   Turkish (OEM)
+/   1254  Turkish (Windows)
+/   858   Multilingual Latin 1 + Euro (OEM)
+/   862   Hebrew (OEM)
+/   1255  Hebrew (Windows)
+/   874   Thai (OEM, Windows)
+/   1258  Vietnam (OEM, Windows)
+*/
+
+#include "ff.h"
+
+
+#if _CODE_PAGE == 437
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP437(0x80-0xFF) to Unicode conversion table */
+    0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
+    0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
+    0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
+    0x00FF, 0x00D6, 0x00DC, 0x00A2, 0x00A3, 0x00A5, 0x20A7, 0x0192,
+    0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
+    0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+    0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+    0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+    0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+    0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+    0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+    0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+    0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4,
+    0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229,
+    0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248,
+    0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 720
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP720(0x80-0xFF) to Unicode conversion table */
+    0x0000, 0x0000, 0x00E9, 0x00E2, 0x0000, 0x00E0, 0x0000, 0x00E7,
+    0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0651, 0x0652, 0x00F4, 0x00A4, 0x0640, 0x00FB, 0x00F9,
+    0x0621, 0x0622, 0x0623, 0x0624, 0x00A3, 0x0625, 0x0626, 0x0627,
+    0x0628, 0x0629, 0x062A, 0x062B, 0x062C, 0x062D, 0x062E, 0x062F,
+    0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x00AB, 0x00BB,
+    0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+    0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+    0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+    0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+    0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+    0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+    0x0636, 0x0637, 0x0638, 0x0639, 0x063A, 0x0641, 0x00B5, 0x0642,
+    0x0643, 0x0644, 0x0645, 0x0646, 0x0647, 0x0648, 0x0649, 0x064A,
+    0x2261, 0x064B, 0x064C, 0x064D, 0x064E, 0x064F, 0xO650, 0x2248,
+    0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 737
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP737(0x80-0xFF) to Unicode conversion table */
+    0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, 0x0398,
+    0x0399, 0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F, 0x03A0,
+    0x03A1, 0x03A3, 0x03A4, 0x03A5, 0x03A6, 0x03A7, 0x03A8, 0x03A9,
+    0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, 0x03B8,
+    0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, 0x03C0,
+    0x03C1, 0x03C3, 0x03C2, 0x03C4, 0x03C5, 0x03C6, 0x03C7, 0x03C8,
+    0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+    0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+    0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+    0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+    0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+    0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+    0x03C9, 0x03AC, 0x03AD, 0x03AE, 0x03CA, 0x03AF, 0x03CC, 0x03CD,
+    0x03CB, 0x03CE, 0x0386, 0x0388, 0x0389, 0x038A, 0x038C, 0x038E,
+    0x038F, 0x00B1, 0x2265, 0x2264, 0x03AA, 0x03AB, 0x00F7, 0x2248,
+    0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 775
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP775(0x80-0xFF) to Unicode conversion table */
+    0x0106, 0x00FC, 0x00E9, 0x0101, 0x00E4, 0x0123, 0x00E5, 0x0107,
+    0x0142, 0x0113, 0x0156, 0x0157, 0x012B, 0x0179, 0x00C4, 0x00C5,
+    0x00C9, 0x00E6, 0x00C6, 0x014D, 0x00F6, 0x0122, 0x00A2, 0x015A,
+    0x015B, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x00D7, 0x00A4,
+    0x0100, 0x012A, 0x00F3, 0x017B, 0x017C, 0x017A, 0x201D, 0x00A6,
+    0x00A9, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x0141, 0x00AB, 0x00BB,
+    0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x0104, 0x010C, 0x0118,
+    0x0116, 0x2563, 0x2551, 0x2557, 0x255D, 0x012E, 0x0160, 0x2510,
+    0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x0172, 0x016A,
+    0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x017D,
+    0x0105, 0x010D, 0x0119, 0x0117, 0x012F, 0x0161, 0x0173, 0x016B,
+    0x017E, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+    0x00D3, 0x00DF, 0x014C, 0x0143, 0x00F5, 0x00D5, 0x00B5, 0x0144,
+    0x0136, 0x0137, 0x013B, 0x013C, 0x0146, 0x0112, 0x0145, 0x2019,
+    0x00AD, 0x00B1, 0x201C, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x201E,
+    0x00B0, 0x2219, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 850
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP850(0x80-0xFF) to Unicode conversion table */
+    0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
+    0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
+    0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
+    0x00FF, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x00D7, 0x0192,
+    0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
+    0x00BF, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+    0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x00C0,
+    0x00A9, 0x2563, 0x2551, 0x2557, 0x255D, 0x00A2, 0x00A5, 0x2510,
+    0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x00E3, 0x00C3,
+    0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+    0x00F0, 0x00D0, 0x00CA, 0x00CB, 0x00C8, 0x0131, 0x00CD, 0x00CE,
+    0x00CF, 0x2518, 0x250C, 0x2588, 0x2584, 0x00A6, 0x00CC, 0x2580,
+    0x00D3, 0x00DF, 0x00D4, 0x00D2, 0x00F5, 0x00D5, 0x00B5, 0x00FE,
+    0x00DE, 0x00DA, 0x00DB, 0x00D9, 0x00FD, 0x00DD, 0x00AF, 0x00B4,
+    0x00AD, 0x00B1, 0x2017, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x00B8,
+    0x00B0, 0x00A8, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 852
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP852(0x80-0xFF) to Unicode conversion table */
+    0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x016F, 0x0107, 0x00E7,
+    0x0142, 0x00EB, 0x0150, 0x0151, 0x00EE, 0x0179, 0x00C4, 0x0106,
+    0x00C9, 0x0139, 0x013A, 0x00F4, 0x00F6, 0x013D, 0x013E, 0x015A,
+    0x015B, 0x00D6, 0x00DC, 0x0164, 0x0165, 0x0141, 0x00D7, 0x010D,
+    0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x0104, 0x0105, 0x017D, 0x017E,
+    0x0118, 0x0119, 0x00AC, 0x017A, 0x010C, 0x015F, 0x00AB, 0x00BB,
+    0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x011A,
+    0x015E, 0x2563, 0x2551, 0x2557, 0x255D, 0x017B, 0x017C, 0x2510,
+    0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x0102, 0x0103,
+    0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+    0x0111, 0x0110, 0x010E, 0x00CB, 0x010F, 0x0147, 0x00CD, 0x00CE,
+    0x011B, 0x2518, 0x250C, 0x2588, 0x2584, 0x0162, 0x016E, 0x2580,
+    0x00D3, 0x00DF, 0x00D4, 0x0143, 0x0144, 0x0148, 0x0160, 0x0161,
+    0x0154, 0x00DA, 0x0155, 0x0170, 0x00FD, 0x00DD, 0x0163, 0x00B4,
+    0x00AD, 0x02DD, 0x02DB, 0x02C7, 0x02D8, 0x00A7, 0x00F7, 0x00B8,
+    0x00B0, 0x00A8, 0x02D9, 0x0171, 0x0158, 0x0159, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 855
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP855(0x80-0xFF) to Unicode conversion table */
+    0x0452, 0x0402, 0x0453, 0x0403, 0x0451, 0x0401, 0x0454, 0x0404,
+    0x0455, 0x0405, 0x0456, 0x0406, 0x0457, 0x0407, 0x0458, 0x0408,
+    0x0459, 0x0409, 0x045A, 0x040A, 0x045B, 0x040B, 0x045C, 0x040C,
+    0x045E, 0x040E, 0x045F, 0x040F, 0x044E, 0x042E, 0x044A, 0x042A,
+    0x0430, 0x0410, 0x0431, 0x0411, 0x0446, 0x0426, 0x0434, 0x0414,
+    0x0435, 0x0415, 0x0444, 0x0424, 0x0433, 0x0413, 0x00AB, 0x00BB,
+    0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x0445, 0x0425, 0x0438,
+    0x0418, 0x2563, 0x2551, 0x2557, 0x255D, 0x0439, 0x0419, 0x2510,
+    0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x043A, 0x041A,
+    0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+    0x043B, 0x041B, 0x043C, 0x041C, 0x043D, 0x041D, 0x043E, 0x041E,
+    0x043F, 0x2518, 0x250C, 0x2588, 0x2584, 0x041F, 0x044F, 0x2580,
+    0x042F, 0x0440, 0x0420, 0x0441, 0x0421, 0x0442, 0x0422, 0x0443,
+    0x0423, 0x0436, 0x0416, 0x0432, 0x0412, 0x044C, 0x042C, 0x2116,
+    0x00AD, 0x044B, 0x042B, 0x0437, 0x0417, 0x0448, 0x0428, 0x044D,
+    0x042D, 0x0449, 0x0429, 0x0447, 0x0427, 0x00A7, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 857
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP857(0x80-0xFF) to Unicode conversion table */
+    0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
+    0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x0131, 0x00C4, 0x00C5,
+    0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
+    0x0130, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x015E, 0x015F,
+    0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x011E, 0x011F,
+    0x00BF, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+    0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x00C0,
+    0x00A9, 0x2563, 0x2551, 0x2557, 0x255D, 0x00A2, 0x00A5, 0x2510,
+    0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x00E3, 0x00C3,
+    0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+    0x00BA, 0x00AA, 0x00CA, 0x00CB, 0x00C8, 0x0000, 0x00CD, 0x00CE,
+    0x00CF, 0x2518, 0x250C, 0x2588, 0x2584, 0x00A6, 0x00CC, 0x2580,
+    0x00D3, 0x00DF, 0x00D4, 0x00D2, 0x00F5, 0x00D5, 0x00B5, 0x0000,
+    0x00D7, 0x00DA, 0x00DB, 0x00D9, 0x00EC, 0x00FF, 0x00AF, 0x00B4,
+    0x00AD, 0x00B1, 0x0000, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x00B8,
+    0x00B0, 0x00A8, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 858
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP858(0x80-0xFF) to Unicode conversion table */
+    0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
+    0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
+    0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
+    0x00FF, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x00D7, 0x0192,
+    0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
+    0x00BF, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+    0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x00C0,
+    0x00A9, 0x2563, 0x2551, 0x2557, 0x2550, 0x00A2, 0x00A5, 0x2510,
+    0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x00E3, 0x00C3,
+    0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+    0x00F0, 0x00D0, 0x00CA, 0x00CB, 0x00C8, 0x20AC, 0x00CD, 0x00CE,
+    0x00CF, 0x2518, 0x250C, 0x2588, 0x2584, 0x00C6, 0x00CC, 0x2580,
+    0x00D3, 0x00DF, 0x00D4, 0x00D2, 0x00F5, 0x00D5, 0x00B5, 0x00FE,
+    0x00DE, 0x00DA, 0x00DB, 0x00D9, 0x00FD, 0x00DD, 0x00AF, 0x00B4,
+    0x00AD, 0x00B1, 0x2017, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x00B8,
+    0x00B0, 0x00A8, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 862
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP862(0x80-0xFF) to Unicode conversion table */
+    0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7,
+    0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF,
+    0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7,
+    0x05E8, 0x05E9, 0x05EA, 0x00A2, 0x00A3, 0x00A5, 0x20A7, 0x0192,
+    0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
+    0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+    0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+    0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+    0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+    0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+    0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+    0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+    0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4,
+    0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229,
+    0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248,
+    0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 866
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP866(0x80-0xFF) to Unicode conversion table */
+    0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
+    0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F,
+    0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
+    0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F,
+    0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
+    0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F,
+    0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+    0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+    0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+    0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+    0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+    0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+    0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
+    0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F,
+    0x0401, 0x0451, 0x0404, 0x0454, 0x0407, 0x0457, 0x040E, 0x045E,
+    0x00B0, 0x2219, 0x00B7, 0x221A, 0x2116, 0x00A4, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 874
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP874(0x80-0xFF) to Unicode conversion table */
+    0x20AC, 0x0000, 0x0000, 0x0000, 0x0000, 0x2026, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00A0, 0x0E01, 0x0E02, 0x0E03, 0x0E04, 0x0E05, 0x0E06, 0x0E07,
+    0x0E08, 0x0E09, 0x0E0A, 0x0E0B, 0x0E0C, 0x0E0D, 0x0E0E, 0x0E0F,
+    0x0E10, 0x0E11, 0x0E12, 0x0E13, 0x0E14, 0x0E15, 0x0E16, 0x0E17,
+    0x0E18, 0x0E19, 0x0E1A, 0x0E1B, 0x0E1C, 0x0E1D, 0x0E1E, 0x0E1F,
+    0x0E20, 0x0E21, 0x0E22, 0x0E23, 0x0E24, 0x0E25, 0x0E26, 0x0E27,
+    0x0E28, 0x0E29, 0x0E2A, 0x0E2B, 0x0E2C, 0x0E2D, 0x0E2E, 0x0E2F,
+    0x0E30, 0x0E31, 0x0E32, 0x0E33, 0x0E34, 0x0E35, 0x0E36, 0x0E37,
+    0x0E38, 0x0E39, 0x0E3A, 0x0000, 0x0000, 0x0000, 0x0000, 0x0E3F,
+    0x0E40, 0x0E41, 0x0E42, 0x0E43, 0x0E44, 0x0E45, 0x0E46, 0x0E47,
+    0x0E48, 0x0E49, 0x0E4A, 0x0E4B, 0x0E4C, 0x0E4D, 0x0E4E, 0x0E4F,
+    0x0E50, 0x0E51, 0x0E52, 0x0E53, 0x0E54, 0x0E55, 0x0E56, 0x0E57,
+    0x0E58, 0x0E59, 0x0E5A, 0x0E5B, 0x0000, 0x0000, 0x0000, 0x0000
+};
+
+#elif _CODE_PAGE == 1250
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP1250(0x80-0xFF) to Unicode conversion table */
+    0x20AC, 0x0000, 0x201A, 0x0000, 0x201E, 0x2026, 0x2020, 0x2021,
+    0x0000, 0x2030, 0x0160, 0x2039, 0x015A, 0x0164, 0x017D, 0x0179,
+    0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+    0x0000, 0x2122, 0x0161, 0x203A, 0x015B, 0x0165, 0x017E, 0x017A,
+    0x00A0, 0x02C7, 0x02D8, 0x0141, 0x00A4, 0x0104, 0x00A6, 0x00A7,
+    0x00A8, 0x00A9, 0x015E, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x017B,
+    0x00B0, 0x00B1, 0x02DB, 0x0142, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+    0x00B8, 0x0105, 0x015F, 0x00BB, 0x013D, 0x02DD, 0x013E, 0x017C,
+    0x0154, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x0139, 0x0106, 0x00C7,
+    0x010C, 0x00C9, 0x0118, 0x00CB, 0x011A, 0x00CD, 0x00CE, 0x010E,
+    0x0110, 0x0143, 0x0147, 0x00D3, 0x00D4, 0x0150, 0x00D6, 0x00D7,
+    0x0158, 0x016E, 0x00DA, 0x0170, 0x00DC, 0x00DD, 0x0162, 0x00DF,
+    0x0155, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x013A, 0x0107, 0x00E7,
+    0x010D, 0x00E9, 0x0119, 0x00EB, 0x011B, 0x00ED, 0x00EE, 0x010F,
+    0x0111, 0x0144, 0x0148, 0x00F3, 0x00F4, 0x0151, 0x00F6, 0x00F7,
+    0x0159, 0x016F, 0x00FA, 0x0171, 0x00FC, 0x00FD, 0x0163, 0x02D9
+};
+
+#elif _CODE_PAGE == 1251
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP1251(0x80-0xFF) to Unicode conversion table */
+    0x0402, 0x0403, 0x201A, 0x0453, 0x201E, 0x2026, 0x2020, 0x2021,
+    0x20AC, 0x2030, 0x0409, 0x2039, 0x040A, 0x040C, 0x040B, 0x040F,
+    0x0452, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+    0x0000, 0x2111, 0x0459, 0x203A, 0x045A, 0x045C, 0x045B, 0x045F,
+    0x00A0, 0x040E, 0x045E, 0x0408, 0x00A4, 0x0490, 0x00A6, 0x00A7,
+    0x0401, 0x00A9, 0x0404, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x0407,
+    0x00B0, 0x00B1, 0x0406, 0x0456, 0x0491, 0x00B5, 0x00B6, 0x00B7,
+    0x0451, 0x2116, 0x0454, 0x00BB, 0x0458, 0x0405, 0x0455, 0x0457,
+    0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
+    0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F,
+    0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
+    0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F,
+    0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
+    0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F,
+    0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
+    0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F
+};
+
+#elif _CODE_PAGE == 1252
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP1252(0x80-0xFF) to Unicode conversion table */
+    0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+    0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x0000, 0x017D, 0x0000,
+    0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+    0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x0000, 0x017E, 0x0178,
+    0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+    0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+    0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+    0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+    0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+    0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
+    0x00D0, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7,
+    0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x00DE, 0x00DF,
+    0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+    0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
+    0x00F0, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7,
+    0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x00FE, 0x00FF
+};
+
+#elif _CODE_PAGE == 1253
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP1253(0x80-0xFF) to Unicode conversion table */
+    0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+    0x0000, 0x2030, 0x0000, 0x2039, 0x000C, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+    0x0000, 0x2122, 0x0000, 0x203A, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00A0, 0x0385, 0x0386, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+    0x00A8, 0x00A9, 0x0000, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x2015,
+    0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x0384, 0x00B5, 0x00B6, 0x00B7,
+    0x0388, 0x0389, 0x038A, 0x00BB, 0x038C, 0x00BD, 0x038E, 0x038F,
+    0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397,
+    0x0398, 0x0399, 0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F,
+    0x03A0, 0x03A1, 0x0000, 0x03A3, 0x03A4, 0x03A5, 0x03A6, 0x03A7,
+    0x03A8, 0x03A9, 0x03AA, 0x03AD, 0x03AC, 0x03AD, 0x03AE, 0x03AF,
+    0x03B0, 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7,
+    0x03B8, 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF,
+    0x03C0, 0x03C1, 0x03C2, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7,
+    0x03C8, 0x03C9, 0x03CA, 0x03CB, 0x03CC, 0x03CD, 0x03CE, 0x0000
+};
+
+#elif _CODE_PAGE == 1254
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP1254(0x80-0xFF) to Unicode conversion table */
+    0x20AC, 0x0000, 0x210A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+    0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+    0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x0000, 0x0000, 0x0178,
+    0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+    0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+    0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+    0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+    0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+    0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
+    0x011E, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7,
+    0x00D8, 0x00D9, 0x00DA, 0x00BD, 0x00DC, 0x0130, 0x015E, 0x00DF,
+    0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+    0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
+    0x011F, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7,
+    0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x0131, 0x015F, 0x00FF
+};
+
+#elif _CODE_PAGE == 1255
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP1255(0x80-0xFF) to Unicode conversion table */
+    0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+    0x02C6, 0x2030, 0x0000, 0x2039, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+    0x02DC, 0x2122, 0x0000, 0x203A, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+    0x00A8, 0x00A9, 0x00D7, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+    0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+    0x00B8, 0x00B9, 0x00F7, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+    0x05B0, 0x05B1, 0x05B2, 0x05B3, 0x05B4, 0x05B5, 0x05B6, 0x05B7,
+    0x05B8, 0x05B9, 0x0000, 0x05BB, 0x05BC, 0x05BD, 0x05BE, 0x05BF,
+    0x05C0, 0x05C1, 0x05C2, 0x05C3, 0x05F0, 0x05F1, 0x05F2, 0x05F3,
+    0x05F4, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7,
+    0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF,
+    0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7,
+    0x05E8, 0x05E9, 0x05EA, 0x0000, 0x0000, 0x200E, 0x200F, 0x0000
+};
+
+#elif _CODE_PAGE == 1256
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP1256(0x80-0xFF) to Unicode conversion table */
+    0x20AC, 0x067E, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+    0x02C6, 0x2030, 0x0679, 0x2039, 0x0152, 0x0686, 0x0698, 0x0688,
+    0x06AF, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+    0x06A9, 0x2122, 0x0691, 0x203A, 0x0153, 0x200C, 0x200D, 0x06BA,
+    0x00A0, 0x060C, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+    0x00A8, 0x00A9, 0x06BE, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+    0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+    0x00B8, 0x00B9, 0x061B, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x061F,
+    0x06C1, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627,
+    0x0628, 0x0629, 0x062A, 0x062B, 0x062C, 0x062D, 0x062E, 0x062F,
+    0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x00D7,
+    0x0637, 0x0638, 0x0639, 0x063A, 0x0640, 0x0640, 0x0642, 0x0643,
+    0x00E0, 0x0644, 0x00E2, 0x0645, 0x0646, 0x0647, 0x0648, 0x00E7,
+    0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x0649, 0x064A, 0x00EE, 0x00EF,
+    0x064B, 0x064C, 0x064D, 0x064E, 0x00F4, 0x064F, 0x0650, 0x00F7,
+    0x0651, 0x00F9, 0x0652, 0x00FB, 0x00FC, 0x200E, 0x200F, 0x06D2
+}
+
+#elif _CODE_PAGE == 1257
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP1257(0x80-0xFF) to Unicode conversion table */
+    0x20AC, 0x0000, 0x201A, 0x0000, 0x201E, 0x2026, 0x2020, 0x2021,
+    0x0000, 0x2030, 0x0000, 0x2039, 0x0000, 0x00A8, 0x02C7, 0x00B8,
+    0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+    0x0000, 0x2122, 0x0000, 0x203A, 0x0000, 0x00AF, 0x02DB, 0x0000,
+    0x00A0, 0x0000, 0x00A2, 0x00A3, 0x00A4, 0x0000, 0x00A6, 0x00A7,
+    0x00D8, 0x00A9, 0x0156, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+    0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+    0x00B8, 0x00B9, 0x0157, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00E6,
+    0x0104, 0x012E, 0x0100, 0x0106, 0x00C4, 0x00C5, 0x0118, 0x0112,
+    0x010C, 0x00C9, 0x0179, 0x0116, 0x0122, 0x0136, 0x012A, 0x013B,
+    0x0160, 0x0143, 0x0145, 0x00D3, 0x014C, 0x00D5, 0x00D6, 0x00D7,
+    0x0172, 0x0141, 0x015A, 0x016A, 0x00DC, 0x017B, 0x017D, 0x00DF,
+    0x0105, 0x012F, 0x0101, 0x0107, 0x00E4, 0x00E5, 0x0119, 0x0113,
+    0x010D, 0x00E9, 0x017A, 0x0117, 0x0123, 0x0137, 0x012B, 0x013C,
+    0x0161, 0x0144, 0x0146, 0x00F3, 0x014D, 0x00F5, 0x00F6, 0x00F7,
+    0x0173, 0x014E, 0x015B, 0x016B, 0x00FC, 0x017C, 0x017E, 0x02D9
+};
+
+#elif _CODE_PAGE == 1258
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {   /*  CP1258(0x80-0xFF) to Unicode conversion table */
+    0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+    0x02C6, 0x2030, 0x0000, 0x2039, 0x0152, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+    0x02DC, 0x2122, 0x0000, 0x203A, 0x0153, 0x0000, 0x0000, 0x0178,
+    0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+    0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+    0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+    0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+    0x00C0, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+    0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x0300, 0x00CD, 0x00CE, 0x00CF,
+    0x0110, 0x00D1, 0x0309, 0x00D3, 0x00D4, 0x01A0, 0x00D6, 0x00D7,
+    0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x01AF, 0x0303, 0x00DF,
+    0x00E0, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+    0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x0301, 0x00ED, 0x00EE, 0x00EF,
+    0x0111, 0x00F1, 0x0323, 0x00F3, 0x00F4, 0x01A1, 0x00F6, 0x00F7,
+    0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x01B0, 0x20AB, 0x00FF
+};
+
+#endif
+
+
+#if !_TBLDEF || !_USE_LFN
+#error This file is not needed in current configuration. Remove from the project.
+#endif
+
+
+WCHAR ff_convert (  /* Converted character, Returns zero on error */
+    WCHAR   src,    /* Character code to be converted */
+    UINT    dir     /* 0: Unicode to OEMCP, 1: OEMCP to Unicode */
+)
+{
+    WCHAR c;
+
+
+    if (src < 0x80) {   /* ASCII */
+        c = src;
+
+    } else {
+        if (dir) {      /* OEMCP to Unicode */
+            c = (src >= 0x100) ? 0 : Tbl[src - 0x80];
+
+        } else {        /* Unicode to OEMCP */
+            for (c = 0; c < 0x80; c++) {
+                if (src == Tbl[c]) break;
+            }
+            c = (c + 0x80) & 0xFF;
+        }
+    }
+
+    return c;
+}
+
+
+WCHAR ff_wtoupper ( /* Upper converted character */
+    WCHAR chr       /* Input character */
+)
+{
+    static const WCHAR tbl_lower[] = { 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0xA1, 0x00A2, 0x00A3, 0x00A5, 0x00AC, 0x00AF, 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0x0FF, 0x101, 0x103, 0x105, 0x107, 0x109, 0x10B, 0x10D, 0x10F, 0x111, 0x113, 0x115, 0x117, 0x119, 0x11B, 0x11D, 0x11F, 0x121, 0x123, 0x125, 0x127, 0x129, 0x12B, 0x12D, 0x12F, 0x131, 0x133, 0x135, 0x137, 0x13A, 0x13C, 0x13E, 0x140, 0x142, 0x144, 0x146, 0x148, 0x14B, 0x14D, 0x14F, 0x151, 0x153, 0x155, 0x157, 0x159, 0x15B, 0x15D, 0x15F, 0x161, 0x163, 0x165, 0x167, 0x169, 0x16B, 0x16D, 0x16F, 0x171, 0x173, 0x175, 0x177, 0x17A, 0x17C, 0x17E, 0x192, 0x3B1, 0x3B2, 0x3B3, 0x3B4, 0x3B5, 0x3B6, 0x3B7, 0x3B8, 0x3B9, 0x3BA, 0x3BB, 0x3BC, 0x3BD, 0x3BE, 0x3BF, 0x3C0, 0x3C1, 0x3C3, 0x3C4, 0x3C5, 0x3C6, 0x3C7, 0x3C8, 0x3C9, 0x3CA, 0x430, 0x431, 0x432, 0x433, 0x434, 0x435, 0x436, 0x437, 0x438, 0x439, 0x43A, 0x43B, 0x43C, 0x43D, 0x43E, 0x43F, 0x440, 0x441, 0x442, 0x443, 0x444, 0x445, 0x446, 0x447, 0x448, 0x449, 0x44A, 0x44B, 0x44C, 0x44D, 0x44E, 0x44F, 0x451, 0x452, 0x453, 0x454, 0x455, 0x456, 0x457, 0x458, 0x459, 0x45A, 0x45B, 0x45C, 0x45E, 0x45F, 0x2170, 0x2171, 0x2172, 0x2173, 0x2174, 0x2175, 0x2176, 0x2177, 0x2178, 0x2179, 0x217A, 0x217B, 0x217C, 0x217D, 0x217E, 0x217F, 0xFF41, 0xFF42, 0xFF43, 0xFF44, 0xFF45, 0xFF46, 0xFF47, 0xFF48, 0xFF49, 0xFF4A, 0xFF4B, 0xFF4C, 0xFF4D, 0xFF4E, 0xFF4F, 0xFF50, 0xFF51, 0xFF52, 0xFF53, 0xFF54, 0xFF55, 0xFF56, 0xFF57, 0xFF58, 0xFF59, 0xFF5A, 0 };
+    static const WCHAR tbl_upper[] = { 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x21, 0xFFE0, 0xFFE1, 0xFFE5, 0xFFE2, 0xFFE3, 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0x178, 0x100, 0x102, 0x104, 0x106, 0x108, 0x10A, 0x10C, 0x10E, 0x110, 0x112, 0x114, 0x116, 0x118, 0x11A, 0x11C, 0x11E, 0x120, 0x122, 0x124, 0x126, 0x128, 0x12A, 0x12C, 0x12E, 0x130, 0x132, 0x134, 0x136, 0x139, 0x13B, 0x13D, 0x13F, 0x141, 0x143, 0x145, 0x147, 0x14A, 0x14C, 0x14E, 0x150, 0x152, 0x154, 0x156, 0x158, 0x15A, 0x15C, 0x15E, 0x160, 0x162, 0x164, 0x166, 0x168, 0x16A, 0x16C, 0x16E, 0x170, 0x172, 0x174, 0x176, 0x179, 0x17B, 0x17D, 0x191, 0x391, 0x392, 0x393, 0x394, 0x395, 0x396, 0x397, 0x398, 0x399, 0x39A, 0x39B, 0x39C, 0x39D, 0x39E, 0x39F, 0x3A0, 0x3A1, 0x3A3, 0x3A4, 0x3A5, 0x3A6, 0x3A7, 0x3A8, 0x3A9, 0x3AA, 0x410, 0x411, 0x412, 0x413, 0x414, 0x415, 0x416, 0x417, 0x418, 0x419, 0x41A, 0x41B, 0x41C, 0x41D, 0x41E, 0x41F, 0x420, 0x421, 0x422, 0x423, 0x424, 0x425, 0x426, 0x427, 0x428, 0x429, 0x42A, 0x42B, 0x42C, 0x42D, 0x42E, 0x42F, 0x401, 0x402, 0x403, 0x404, 0x405, 0x406, 0x407, 0x408, 0x409, 0x40A, 0x40B, 0x40C, 0x40E, 0x40F, 0x2160, 0x2161, 0x2162, 0x2163, 0x2164, 0x2165, 0x2166, 0x2167, 0x2168, 0x2169, 0x216A, 0x216B, 0x216C, 0x216D, 0x216E, 0x216F, 0xFF21, 0xFF22, 0xFF23, 0xFF24, 0xFF25, 0xFF26, 0xFF27, 0xFF28, 0xFF29, 0xFF2A, 0xFF2B, 0xFF2C, 0xFF2D, 0xFF2E, 0xFF2F, 0xFF30, 0xFF31, 0xFF32, 0xFF33, 0xFF34, 0xFF35, 0xFF36, 0xFF37, 0xFF38, 0xFF39, 0xFF3A, 0 };
+    int i;
+
+
+    for (i = 0; tbl_lower[i] && chr != tbl_lower[i]; i++) ;
+
+    return tbl_lower[i] ? tbl_upper[i] : chr;
+}
diff --git a/libraries/fs/fat/ChaN/diskio.cpp b/libraries/fs/fat/ChaN/diskio.cpp
new file mode 100644
index 0000000000..0ecf295ff8
--- /dev/null
+++ b/libraries/fs/fat/ChaN/diskio.cpp
@@ -0,0 +1,104 @@
+/*-----------------------------------------------------------------------*/
+/* Low level disk I/O module skeleton for FatFs     (C)ChaN, 2007        */
+/*-----------------------------------------------------------------------*/
+/* This is a stub disk I/O module that acts as front end of the existing */
+/* disk I/O modules and attach it to FatFs module with common interface. */
+/*-----------------------------------------------------------------------*/
+#include "ffconf.h"
+#include "diskio.h"
+
+#include "mbed_debug.h"
+#include "FATFileSystem.h"
+
+using namespace mbed;
+
+DSTATUS disk_initialize (
+    BYTE drv                /* Physical drive nmuber (0..) */
+) 
+{
+    debug_if(FFS_DBG, "disk_initialize on drv [%d]\n", drv);
+    return (DSTATUS)FATFileSystem::_ffs[drv]->disk_initialize();
+}
+
+DSTATUS disk_status (
+    BYTE drv        /* Physical drive nmuber (0..) */
+) 
+{
+    debug_if(FFS_DBG, "disk_status on drv [%d]\n", drv);
+    return (DSTATUS)FATFileSystem::_ffs[drv]->disk_status();
+}
+
+DRESULT disk_read (
+    BYTE drv,        /* Physical drive nmuber (0..) */
+    BYTE *buff,        /* Data buffer to store read data */
+    DWORD sector,    /* Sector address (LBA) */
+    BYTE count        /* Number of sectors to read (1..255) */
+)
+{
+    debug_if(FFS_DBG, "disk_read(sector %d, count %d) on drv [%d]\n", sector, count, drv);
+    for(DWORD s=sector; sdisk_read((uint8_t*)buff, s);
+        if(res) {
+            return RES_PARERR;
+        }
+        buff += 512;
+    }
+    return RES_OK;
+}
+
+#if _READONLY == 0
+DRESULT disk_write (
+    BYTE drv,            /* Physical drive nmuber (0..) */
+    const BYTE *buff,    /* Data to be written */
+    DWORD sector,        /* Sector address (LBA) */
+    BYTE count            /* Number of sectors to write (1..255) */
+)
+{
+    debug_if(FFS_DBG, "disk_write(sector %d, count %d) on drv [%d]\n", sector, count, drv);
+    for(DWORD s = sector; s < sector + count; s++) {
+        debug_if(FFS_DBG, " disk_write(sector %d)\n", s);
+        int res = FATFileSystem::_ffs[drv]->disk_write((uint8_t*)buff, s);
+        if(res) {
+            return RES_PARERR;
+        }
+        buff += 512;
+    }
+    return RES_OK;
+}
+#endif /* _READONLY */
+
+DRESULT disk_ioctl (
+    BYTE drv,        /* Physical drive nmuber (0..) */
+    BYTE ctrl,        /* Control code */
+    void *buff        /* Buffer to send/receive control data */
+)
+{
+    debug_if(FFS_DBG, "disk_ioctl(%d)\n", ctrl);
+    switch(ctrl) {
+        case CTRL_SYNC:
+            if(FATFileSystem::_ffs[drv] == NULL) {
+                return RES_NOTRDY;
+            } else if(FATFileSystem::_ffs[drv]->disk_sync()) {
+                return RES_ERROR;
+            }
+            return RES_OK;
+        case GET_SECTOR_COUNT:
+            if(FATFileSystem::_ffs[drv] == NULL) {
+                return RES_NOTRDY;
+            } else {
+                DWORD res = FATFileSystem::_ffs[drv]->disk_sectors();
+                if(res > 0) {
+                    *((DWORD*)buff) = res; // minimum allowed
+                    return RES_OK;
+                } else {
+                    return RES_ERROR;
+                }
+            }
+        case GET_BLOCK_SIZE:
+            *((DWORD*)buff) = 1; // default when not known
+            return RES_OK;
+
+    }
+    return RES_PARERR;
+}
diff --git a/libraries/fs/fat/ChaN/diskio.h b/libraries/fs/fat/ChaN/diskio.h
new file mode 100644
index 0000000000..a469ebb855
--- /dev/null
+++ b/libraries/fs/fat/ChaN/diskio.h
@@ -0,0 +1,76 @@
+//-----------------------------------------------------------------------
+//  Low level disk interface modlue include file
+//-----------------------------------------------------------------------
+
+#ifndef _DISKIO
+
+#define _READONLY    0   // 1: Remove write functions
+#define _USE_IOCTL   1   // 1: Use disk_ioctl fucntion
+
+#include "integer.h"
+
+
+// Status of Disk Functions
+typedef BYTE    DSTATUS;
+
+// Results of Disk Functions
+typedef enum {
+    RES_OK = 0, // 0: Successful
+    RES_ERROR,  // 1: R/W Error
+    RES_WRPRT,  // 2: Write Protected
+    RES_NOTRDY, // 3: Not Ready
+    RES_PARERR  // 4: Invalid Parameter
+} DRESULT;
+
+
+// Prototypes for disk control functions
+
+int assign_drives (int, int);
+DSTATUS disk_initialize (BYTE);
+DSTATUS disk_status (BYTE);
+DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
+#if    _READONLY == 0
+DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
+#endif
+DRESULT disk_ioctl (BYTE, BYTE, void*);
+
+
+
+// Disk Status Bits (DSTATUS)
+#define STA_NOINIT  0x01    // Drive not initialized
+#define STA_NODISK  0x02    // No medium in the drive
+#define STA_PROTECT 0x04    // Write protected
+
+
+// Command code for disk_ioctrl fucntion
+
+// Generic command (defined for FatFs)
+#define CTRL_SYNC           0    // Flush disk cache (for write functions)
+#define GET_SECTOR_COUNT    1    // Get media size (for only f_mkfs())
+#define GET_SECTOR_SIZE     2    // Get sector size (for multiple sector size (_MAX_SS >= 1024))
+#define GET_BLOCK_SIZE      3    // Get erase block size (for only f_mkfs())
+#define CTRL_ERASE_SECTOR   4    // Force erased a block of sectors (for only _USE_ERASE)
+
+// Generic command
+#define CTRL_POWER          5    // Get/Set power status
+#define CTRL_LOCK           6    // Lock/Unlock media removal
+#define CTRL_EJECT          7    // Eject media
+
+// MMC/SDC specific ioctl command
+#define MMC_GET_TYPE        10    // Get card type
+#define MMC_GET_CSD         11    // Get CSD
+#define MMC_GET_CID         12    // Get CID
+#define MMC_GET_OCR         13    // Get OCR
+#define MMC_GET_SDSTAT      14    // Get SD status
+
+// ATA/CF specific ioctl command
+#define ATA_GET_REV         20    // Get F/W revision
+#define ATA_GET_MODEL       21    // Get model name
+#define ATA_GET_SN          22    // Get serial number
+
+// NAND specific ioctl command
+#define NAND_FORMAT         30    // Create physical format
+
+
+#define _DISKIO
+#endif
diff --git a/libraries/fs/fat/ChaN/ff.cpp b/libraries/fs/fat/ChaN/ff.cpp
new file mode 100644
index 0000000000..b63b2632b4
--- /dev/null
+++ b/libraries/fs/fat/ChaN/ff.cpp
@@ -0,0 +1,4139 @@
+/*----------------------------------------------------------------------------/
+/  FatFs - FAT file system module  R0.09a                 (C)ChaN, 2012
+/-----------------------------------------------------------------------------/
+/ FatFs module is a generic FAT file system module for small embedded systems.
+/ This is a free software that opened for education, research and commercial
+/ developments under license policy of following terms.
+/
+/  Copyright (C) 2012, ChaN, all right reserved.
+/
+/ * The FatFs module is a free software and there is NO WARRANTY.
+/ * No restriction on use. You can use, modify and redistribute it for
+/   personal, non-profit or commercial products UNDER YOUR RESPONSIBILITY.
+/ * Redistributions of source code must retain the above copyright notice.
+/
+/-----------------------------------------------------------------------------/
+/ Feb 26,'06 R0.00  Prototype.
+/
+/ Apr 29,'06 R0.01  First stable version.
+/
+/ Jun 01,'06 R0.02  Added FAT12 support.
+/                   Removed unbuffered mode.
+/                   Fixed a problem on small (<32M) partition.
+/ Jun 10,'06 R0.02a Added a configuration option (_FS_MINIMUM).
+/
+/ Sep 22,'06 R0.03  Added f_rename().
+/                   Changed option _FS_MINIMUM to _FS_MINIMIZE.
+/ Dec 11,'06 R0.03a Improved cluster scan algorithm to write files fast.
+/                   Fixed f_mkdir() creates incorrect directory on FAT32.
+/
+/ Feb 04,'07 R0.04  Supported multiple drive system.
+/                   Changed some interfaces for multiple drive system.
+/                   Changed f_mountdrv() to f_mount().
+/                   Added f_mkfs().
+/ Apr 01,'07 R0.04a Supported multiple partitions on a physical drive.
+/                   Added a capability of extending file size to f_lseek().
+/                   Added minimization level 3.
+/                   Fixed an endian sensitive code in f_mkfs().
+/ May 05,'07 R0.04b Added a configuration option _USE_NTFLAG.
+/                   Added FSInfo support.
+/                   Fixed DBCS name can result FR_INVALID_NAME.
+/                   Fixed short seek (<= csize) collapses the file object.
+/
+/ Aug 25,'07 R0.05  Changed arguments of f_read(), f_write() and f_mkfs().
+/                   Fixed f_mkfs() on FAT32 creates incorrect FSInfo.
+/                   Fixed f_mkdir() on FAT32 creates incorrect directory.
+/ Feb 03,'08 R0.05a Added f_truncate() and f_utime().
+/                   Fixed off by one error at FAT sub-type determination.
+/                   Fixed btr in f_read() can be mistruncated.
+/                   Fixed cached sector is not flushed when create and close without write.
+/
+/ Apr 01,'08 R0.06  Added fputc(), fputs(), fprintf() and fgets().
+/                   Improved performance of f_lseek() on moving to the same or following cluster.
+/
+/ Apr 01,'09 R0.07  Merged Tiny-FatFs as a configuration option. (_FS_TINY)
+/                   Added long file name feature.
+/                   Added multiple code page feature.
+/                   Added re-entrancy for multitask operation.
+/                   Added auto cluster size selection to f_mkfs().
+/                   Added rewind option to f_readdir().
+/                   Changed result code of critical errors.
+/                   Renamed string functions to avoid name collision.
+/ Apr 14,'09 R0.07a Separated out OS dependent code on reentrant cfg.
+/                   Added multiple sector size feature.
+/ Jun 21,'09 R0.07c Fixed f_unlink() can return FR_OK on error.
+/                   Fixed wrong cache control in f_lseek().
+/                   Added relative path feature.
+/                   Added f_chdir() and f_chdrive().
+/                   Added proper case conversion to extended char.
+/ Nov 03,'09 R0.07e Separated out configuration options from ff.h to ffconf.h.
+/                   Fixed f_unlink() fails to remove a sub-dir on _FS_RPATH.
+/                   Fixed name matching error on the 13 char boundary.
+/                   Added a configuration option, _LFN_UNICODE.
+/                   Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.
+/
+/ May 15,'10 R0.08  Added a memory configuration option. (_USE_LFN = 3)
+/                   Added file lock feature. (_FS_SHARE)
+/                   Added fast seek feature. (_USE_FASTSEEK)
+/                   Changed some types on the API, XCHAR->TCHAR.
+/                   Changed fname member in the FILINFO structure on Unicode cfg.
+/                   String functions support UTF-8 encoding files on Unicode cfg.
+/ Aug 16,'10 R0.08a Added f_getcwd(). (_FS_RPATH = 2)
+/                   Added sector erase feature. (_USE_ERASE)
+/                   Moved file lock semaphore table from fs object to the bss.
+/                   Fixed a wrong directory entry is created on non-LFN cfg when the given name contains ';'.
+/                   Fixed f_mkfs() creates wrong FAT32 volume.
+/ Jan 15,'11 R0.08b Fast seek feature is also applied to f_read() and f_write().
+/                   f_lseek() reports required table size on creating CLMP.
+/                   Extended format syntax of f_printf function.
+/                   Ignores duplicated directory separators in given path name.
+/
+/ Sep 06,'11 R0.09  f_mkfs() supports multiple partition to finish the multiple partition feature.
+/                   Added f_fdisk(). (_MULTI_PARTITION = 2)
+/ Aug 27,'12 R0.09a Fixed assertion failure due to OS/2 EA on FAT12/16 volume.
+/                   Changed f_open() and f_opendir reject null object pointer to avoid crash.
+/                   Changed option name _FS_SHARE to _FS_LOCK.
+/---------------------------------------------------------------------------*/
+
+#include "ff.h"         /* FatFs configurations and declarations */
+#include "diskio.h"     /* Declarations of low level disk I/O functions */
+
+
+/*--------------------------------------------------------------------------
+
+   Module Private Definitions
+
+---------------------------------------------------------------------------*/
+
+#if _FATFS != 4004  /* Revision ID */
+#error Wrong include file (ff.h).
+#endif
+
+
+/* Definitions on sector size */
+#if _MAX_SS != 512 && _MAX_SS != 1024 && _MAX_SS != 2048 && _MAX_SS != 4096
+#error Wrong sector size.
+#endif
+#if _MAX_SS != 512
+#define SS(fs)  ((fs)->ssize)   /* Variable sector size */
+#else
+#define SS(fs)  512U            /* Fixed sector size */
+#endif
+
+
+/* Reentrancy related */
+#if _FS_REENTRANT
+#if _USE_LFN == 1
+#error Static LFN work area must not be used in re-entrant configuration.
+#endif
+#define ENTER_FF(fs)        { if (!lock_fs(fs)) return FR_TIMEOUT; }
+#define LEAVE_FF(fs, res)   { unlock_fs(fs, res); return res; }
+#else
+#define ENTER_FF(fs)
+#define LEAVE_FF(fs, res)   return res
+#endif
+
+#define ABORT(fs, res)      { fp->flag |= FA__ERROR; LEAVE_FF(fs, res); }
+
+
+/* File access control feature */
+#if _FS_LOCK
+#if _FS_READONLY
+#error _FS_LOCK must be 0 on read-only cfg.
+#endif
+typedef struct {
+    FATFS *fs;              /* File ID 1, volume (NULL:blank entry) */
+    DWORD clu;              /* File ID 2, directory */
+    WORD idx;               /* File ID 3, directory index */
+    WORD ctr;               /* File open counter, 0:none, 0x01..0xFF:read open count, 0x100:write mode */
+} FILESEM;
+#endif
+
+
+
+/* DBCS code ranges and SBCS extend char conversion table */
+
+#if _CODE_PAGE == 932   /* Japanese Shift-JIS */
+#define _DF1S   0x81    /* DBC 1st byte range 1 start */
+#define _DF1E   0x9F    /* DBC 1st byte range 1 end */
+#define _DF2S   0xE0    /* DBC 1st byte range 2 start */
+#define _DF2E   0xFC    /* DBC 1st byte range 2 end */
+#define _DS1S   0x40    /* DBC 2nd byte range 1 start */
+#define _DS1E   0x7E    /* DBC 2nd byte range 1 end */
+#define _DS2S   0x80    /* DBC 2nd byte range 2 start */
+#define _DS2E   0xFC    /* DBC 2nd byte range 2 end */
+
+#elif _CODE_PAGE == 936 /* Simplified Chinese GBK */
+#define _DF1S   0x81
+#define _DF1E   0xFE
+#define _DS1S   0x40
+#define _DS1E   0x7E
+#define _DS2S   0x80
+#define _DS2E   0xFE
+
+#elif _CODE_PAGE == 949 /* Korean */
+#define _DF1S   0x81
+#define _DF1E   0xFE
+#define _DS1S   0x41
+#define _DS1E   0x5A
+#define _DS2S   0x61
+#define _DS2E   0x7A
+#define _DS3S   0x81
+#define _DS3E   0xFE
+
+#elif _CODE_PAGE == 950 /* Traditional Chinese Big5 */
+#define _DF1S   0x81
+#define _DF1E   0xFE
+#define _DS1S   0x40
+#define _DS1E   0x7E
+#define _DS2S   0xA1
+#define _DS2E   0xFE
+
+#elif _CODE_PAGE == 437 /* U.S. (OEM) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x9A,0x90,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F,0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+                0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 720 /* Arabic (OEM) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x81,0x45,0x41,0x84,0x41,0x86,0x43,0x45,0x45,0x45,0x49,0x49,0x8D,0x8E,0x8F,0x90,0x92,0x92,0x93,0x94,0x95,0x49,0x49,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+                0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 737 /* Greek (OEM) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x92,0x92,0x93,0x94,0x95,0x96,0x97,0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, \
+                0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0xAA,0x92,0x93,0x94,0x95,0x96,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0x97,0xEA,0xEB,0xEC,0xE4,0xED,0xEE,0xE7,0xE8,0xF1,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 775 /* Baltic (OEM) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x9A,0x91,0xA0,0x8E,0x95,0x8F,0x80,0xAD,0xED,0x8A,0x8A,0xA1,0x8D,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0x95,0x96,0x97,0x97,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \
+                0xA0,0xA1,0xE0,0xA3,0xA3,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xB5,0xB6,0xB7,0xB8,0xBD,0xBE,0xC6,0xC7,0xA5,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE3,0xE8,0xE8,0xEA,0xEA,0xEE,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 850 /* Multilingual Latin 1 (OEM) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0xDE,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x59,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \
+                0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE7,0xE9,0xEA,0xEB,0xED,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 852 /* Latin 2 (OEM) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xDE,0x8F,0x80,0x9D,0xD3,0x8A,0x8A,0xD7,0x8D,0x8E,0x8F,0x90,0x91,0x91,0xE2,0x99,0x95,0x95,0x97,0x97,0x99,0x9A,0x9B,0x9B,0x9D,0x9E,0x9F, \
+                0xB5,0xD6,0xE0,0xE9,0xA4,0xA4,0xA6,0xA6,0xA8,0xA8,0xAA,0x8D,0xAC,0xB8,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBD,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC6,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD2,0xD3,0xD2,0xD5,0xD6,0xD7,0xB7,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xE0,0xE1,0xE2,0xE3,0xE3,0xD5,0xE6,0xE6,0xE8,0xE9,0xE8,0xEB,0xED,0xED,0xDD,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xEB,0xFC,0xFC,0xFE,0xFF}
+
+#elif _CODE_PAGE == 855 /* Cyrillic (OEM) */
+#define _DF1S   0
+#define _EXCVT {0x81,0x81,0x83,0x83,0x85,0x85,0x87,0x87,0x89,0x89,0x8B,0x8B,0x8D,0x8D,0x8F,0x8F,0x91,0x91,0x93,0x93,0x95,0x95,0x97,0x97,0x99,0x99,0x9B,0x9B,0x9D,0x9D,0x9F,0x9F, \
+                0xA1,0xA1,0xA3,0xA3,0xA5,0xA5,0xA7,0xA7,0xA9,0xA9,0xAB,0xAB,0xAD,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB6,0xB6,0xB8,0xB8,0xB9,0xBA,0xBB,0xBC,0xBE,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD3,0xD3,0xD5,0xD5,0xD7,0xD7,0xDD,0xD9,0xDA,0xDB,0xDC,0xDD,0xE0,0xDF, \
+                0xE0,0xE2,0xE2,0xE4,0xE4,0xE6,0xE6,0xE8,0xE8,0xEA,0xEA,0xEC,0xEC,0xEE,0xEE,0xEF,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF8,0xFA,0xFA,0xFC,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 857 /* Turkish (OEM) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0x98,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x98,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9E, \
+                0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA6,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xDE,0x59,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 858 /* Multilingual Latin 1 + Euro (OEM) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0xDE,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x59,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \
+                0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE7,0xE9,0xEA,0xEB,0xED,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 862 /* Hebrew (OEM) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+                0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 866 /* Russian (OEM) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+                0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0x90,0x91,0x92,0x93,0x9d,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F,0xF0,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 874 /* Thai (OEM, Windows) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+                0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 1250 /* Central Europe (Windows) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x8D,0x8E,0x8F, \
+                0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xA3,0xB4,0xB5,0xB6,0xB7,0xB8,0xA5,0xAA,0xBB,0xBC,0xBD,0xBC,0xAF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xFF}
+
+#elif _CODE_PAGE == 1251 /* Cyrillic (Windows) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x81,0x82,0x82,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x80,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x8D,0x8E,0x8F, \
+                0xA0,0xA2,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB2,0xA5,0xB5,0xB6,0xB7,0xA8,0xB9,0xAA,0xBB,0xA3,0xBD,0xBD,0xAF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF}
+
+#elif _CODE_PAGE == 1252 /* Latin 1 (Windows) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0xAd,0x9B,0x8C,0x9D,0xAE,0x9F, \
+                0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0x9F}
+
+#elif _CODE_PAGE == 1253 /* Greek (Windows) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+                0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xA2,0xB8,0xB9,0xBA, \
+                0xE0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xF2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xFB,0xBC,0xFD,0xBF,0xFF}
+
+#elif _CODE_PAGE == 1254 /* Turkish (Windows) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x9D,0x9E,0x9F, \
+                0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0x9F}
+
+#elif _CODE_PAGE == 1255 /* Hebrew (Windows) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+                0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 1256 /* Arabic (Windows) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x8C,0x9D,0x9E,0x9F, \
+                0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0x41,0xE1,0x41,0xE3,0xE4,0xE5,0xE6,0x43,0x45,0x45,0x45,0x45,0xEC,0xED,0x49,0x49,0xF0,0xF1,0xF2,0xF3,0x4F,0xF5,0xF6,0xF7,0xF8,0x55,0xFA,0x55,0x55,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 1257 /* Baltic (Windows) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+                0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xA8,0xB9,0xAA,0xBB,0xBC,0xBD,0xBE,0xAF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xFF}
+
+#elif _CODE_PAGE == 1258 /* Vietnam (OEM, Windows) */
+#define _DF1S   0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0xAC,0x9D,0x9E,0x9F, \
+                0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+                0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xEC,0xCD,0xCE,0xCF,0xD0,0xD1,0xF2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xFE,0x9F}
+
+#elif _CODE_PAGE == 1   /* ASCII (for only non-LFN cfg) */
+#if _USE_LFN
+#error Cannot use LFN feature without valid code page.
+#endif
+#define _DF1S   0
+
+#else
+#error Unknown code page
+
+#endif
+
+
+/* Character code support macros */
+#define IsUpper(c)  (((c)>='A')&&((c)<='Z'))
+#define IsLower(c)  (((c)>='a')&&((c)<='z'))
+#define IsDigit(c)  (((c)>='0')&&((c)<='9'))
+
+#if _DF1S       /* Code page is DBCS */
+
+#ifdef _DF2S    /* Two 1st byte areas */
+#define IsDBCS1(c)  (((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) || ((BYTE)(c) >= _DF2S && (BYTE)(c) <= _DF2E))
+#else           /* One 1st byte area */
+#define IsDBCS1(c)  ((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E)
+#endif
+
+#ifdef _DS3S    /* Three 2nd byte areas */
+#define IsDBCS2(c)  (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E) || ((BYTE)(c) >= _DS3S && (BYTE)(c) <= _DS3E))
+#else           /* Two 2nd byte areas */
+#define IsDBCS2(c)  (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E))
+#endif
+
+#else           /* Code page is SBCS */
+
+#define IsDBCS1(c)  0
+#define IsDBCS2(c)  0
+
+#endif /* _DF1S */
+
+
+/* Name status flags */
+#define NS          11      /* Index of name status byte in fn[] */
+#define NS_LOSS     0x01    /* Out of 8.3 format */
+#define NS_LFN      0x02    /* Force to create LFN entry */
+#define NS_LAST     0x04    /* Last segment */
+#define NS_BODY     0x08    /* Lower case flag (body) */
+#define NS_EXT      0x10    /* Lower case flag (ext) */
+#define NS_DOT      0x20    /* Dot entry */
+
+
+/* FAT sub-type boundaries */
+/* Note that the FAT spec by Microsoft says 4085 but Windows works with 4087! */
+#define MIN_FAT16   4086    /* Minimum number of clusters for FAT16 */
+#define MIN_FAT32   65526   /* Minimum number of clusters for FAT32 */
+
+
+/* FatFs refers the members in the FAT structures as byte array instead of
+/ structure member because the structure is not binary compatible between
+/ different platforms */
+
+#define BS_jmpBoot          0   /* Jump instruction (3) */
+#define BS_OEMName          3   /* OEM name (8) */
+#define BPB_BytsPerSec      11  /* Sector size [byte] (2) */
+#define BPB_SecPerClus      13  /* Cluster size [sector] (1) */
+#define BPB_RsvdSecCnt      14  /* Size of reserved area [sector] (2) */
+#define BPB_NumFATs         16  /* Number of FAT copies (1) */
+#define BPB_RootEntCnt      17  /* Number of root dir entries for FAT12/16 (2) */
+#define BPB_TotSec16        19  /* Volume size [sector] (2) */
+#define BPB_Media           21  /* Media descriptor (1) */
+#define BPB_FATSz16         22  /* FAT size [sector] (2) */
+#define BPB_SecPerTrk       24  /* Track size [sector] (2) */
+#define BPB_NumHeads        26  /* Number of heads (2) */
+#define BPB_HiddSec         28  /* Number of special hidden sectors (4) */
+#define BPB_TotSec32        32  /* Volume size [sector] (4) */
+#define BS_DrvNum           36  /* Physical drive number (2) */
+#define BS_BootSig          38  /* Extended boot signature (1) */
+#define BS_VolID            39  /* Volume serial number (4) */
+#define BS_VolLab           43  /* Volume label (8) */
+#define BS_FilSysType       54  /* File system type (1) */
+#define BPB_FATSz32         36  /* FAT size [sector] (4) */
+#define BPB_ExtFlags        40  /* Extended flags (2) */
+#define BPB_FSVer           42  /* File system version (2) */
+#define BPB_RootClus        44  /* Root dir first cluster (4) */
+#define BPB_FSInfo          48  /* Offset of FSInfo sector (2) */
+#define BPB_BkBootSec       50  /* Offset of backup boot sector (2) */
+#define BS_DrvNum32         64  /* Physical drive number (2) */
+#define BS_BootSig32        66  /* Extended boot signature (1) */
+#define BS_VolID32          67  /* Volume serial number (4) */
+#define BS_VolLab32         71  /* Volume label (8) */
+#define BS_FilSysType32     82  /* File system type (1) */
+#define FSI_LeadSig         0   /* FSI: Leading signature (4) */
+#define FSI_StrucSig        484 /* FSI: Structure signature (4) */
+#define FSI_Free_Count      488 /* FSI: Number of free clusters (4) */
+#define FSI_Nxt_Free        492 /* FSI: Last allocated cluster (4) */
+#define MBR_Table           446 /* MBR: Partition table offset (2) */
+#define SZ_PTE              16  /* MBR: Size of a partition table entry */
+#define BS_55AA             510 /* Boot sector signature (2) */
+
+#define DIR_Name            0   /* Short file name (11) */
+#define DIR_Attr            11  /* Attribute (1) */
+#define DIR_NTres           12  /* NT flag (1) */
+#define DIR_CrtTimeTenth    13  /* Created time sub-second (1) */
+#define DIR_CrtTime         14  /* Created time (2) */
+#define DIR_CrtDate         16  /* Created date (2) */
+#define DIR_LstAccDate      18  /* Last accessed date (2) */
+#define DIR_FstClusHI       20  /* Higher 16-bit of first cluster (2) */
+#define DIR_WrtTime         22  /* Modified time (2) */
+#define DIR_WrtDate         24  /* Modified date (2) */
+#define DIR_FstClusLO       26  /* Lower 16-bit of first cluster (2) */
+#define DIR_FileSize        28  /* File size (4) */
+#define LDIR_Ord            0   /* LFN entry order and LLE flag (1) */
+#define LDIR_Attr           11  /* LFN attribute (1) */
+#define LDIR_Type           12  /* LFN type (1) */
+#define LDIR_Chksum         13  /* Sum of corresponding SFN entry */
+#define LDIR_FstClusLO      26  /* Filled by zero (0) */
+#define SZ_DIR              32      /* Size of a directory entry */
+#define LLE                 0x40    /* Last long entry flag in LDIR_Ord */
+#define DDE                 0xE5    /* Deleted directory entry mark in DIR_Name[0] */
+#define NDDE                0x05    /* Replacement of the character collides with DDE */
+
+
+/*------------------------------------------------------------*/
+/* Module private work area                                   */
+/*------------------------------------------------------------*/
+/* Note that uninitialized variables with static duration are
+/  zeroed/nulled at start-up. If not, the compiler or start-up
+/  routine is out of ANSI-C standard.
+*/
+
+#if _VOLUMES
+static
+FATFS *FatFs[_VOLUMES]; /* Pointer to the file system objects (logical drives) */
+#else
+#error Number of volumes must not be 0.
+#endif
+
+static
+WORD Fsid;              /* File system mount ID */
+
+#if _FS_RPATH
+static
+BYTE CurrVol;           /* Current drive */
+#endif
+
+#if _FS_LOCK
+static
+FILESEM Files[_FS_LOCK];    /* File lock semaphores */
+#endif
+
+#if _USE_LFN == 0           /* No LFN feature */
+#define DEF_NAMEBUF         BYTE sfn[12]
+#define INIT_BUF(dobj)      (dobj).fn = sfn
+#define FREE_BUF()
+
+#elif _USE_LFN == 1         /* LFN feature with static working buffer */
+static WCHAR LfnBuf[_MAX_LFN+1];
+#define DEF_NAMEBUF         BYTE sfn[12]
+#define INIT_BUF(dobj)      { (dobj).fn = sfn; (dobj).lfn = LfnBuf; }
+#define FREE_BUF()
+
+#elif _USE_LFN == 2         /* LFN feature with dynamic working buffer on the stack */
+#define DEF_NAMEBUF         BYTE sfn[12]; WCHAR lbuf[_MAX_LFN+1]
+#define INIT_BUF(dobj)      { (dobj).fn = sfn; (dobj).lfn = lbuf; }
+#define FREE_BUF()
+
+#elif _USE_LFN == 3         /* LFN feature with dynamic working buffer on the heap */
+#define DEF_NAMEBUF         BYTE sfn[12]; WCHAR *lfn
+#define INIT_BUF(dobj)      { lfn = ff_memalloc((_MAX_LFN + 1) * 2); \
+                              if (!lfn) LEAVE_FF((dobj).fs, FR_NOT_ENOUGH_CORE); \
+                              (dobj).lfn = lfn; (dobj).fn = sfn; }
+#define FREE_BUF()          ff_memfree(lfn)
+
+#else
+#error Wrong LFN configuration.
+#endif
+
+
+
+
+/*--------------------------------------------------------------------------
+
+   Module Private Functions
+
+---------------------------------------------------------------------------*/
+
+
+/*-----------------------------------------------------------------------*/
+/* String functions                                                      */
+/*-----------------------------------------------------------------------*/
+
+/* Copy memory to memory */
+static
+void mem_cpy (void* dst, const void* src, UINT cnt) {
+    BYTE *d = (BYTE*)dst;
+    const BYTE *s = (const BYTE*)src;
+
+#if _WORD_ACCESS == 1
+    while (cnt >= sizeof (int)) {
+        *(int*)d = *(int*)s;
+        d += sizeof (int); s += sizeof (int);
+        cnt -= sizeof (int);
+    }
+#endif
+    while (cnt--)
+        *d++ = *s++;
+}
+
+/* Fill memory */
+static
+void mem_set (void* dst, int val, UINT cnt) {
+    BYTE *d = (BYTE*)dst;
+
+    while (cnt--)
+        *d++ = (BYTE)val;
+}
+
+/* Compare memory to memory */
+static
+int mem_cmp (const void* dst, const void* src, UINT cnt) {
+    const BYTE *d = (const BYTE *)dst, *s = (const BYTE *)src;
+    int r = 0;
+
+    while (cnt-- && (r = *d++ - *s++) == 0) ;
+    return r;
+}
+
+/* Check if chr is contained in the string */
+static
+int chk_chr (const char* str, int chr) {
+    while (*str && *str != chr) str++;
+    return *str;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Request/Release grant to access the volume                            */
+/*-----------------------------------------------------------------------*/
+#if _FS_REENTRANT
+
+static
+int lock_fs (
+    FATFS *fs       /* File system object */
+)
+{
+    return ff_req_grant(fs->sobj);
+}
+
+
+static
+void unlock_fs (
+    FATFS *fs,      /* File system object */
+    FRESULT res     /* Result code to be returned */
+)
+{
+    if (fs &&
+        res != FR_NOT_ENABLED &&
+        res != FR_INVALID_DRIVE &&
+        res != FR_INVALID_OBJECT &&
+        res != FR_TIMEOUT) {
+        ff_rel_grant(fs->sobj);
+    }
+}
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* File lock control functions                                           */
+/*-----------------------------------------------------------------------*/
+#if _FS_LOCK
+
+static
+FRESULT chk_lock (  /* Check if the file can be accessed */
+    DIR* dj,        /* Directory object pointing the file to be checked */
+    int acc         /* Desired access (0:Read, 1:Write, 2:Delete/Rename) */
+)
+{
+    UINT i, be;
+
+    /* Search file semaphore table */
+    for (i = be = 0; i < _FS_LOCK; i++) {
+        if (Files[i].fs) {  /* Existing entry */
+            if (Files[i].fs == dj->fs &&        /* Check if the file matched with an open file */
+                Files[i].clu == dj->sclust &&
+                Files[i].idx == dj->index) break;
+        } else {            /* Blank entry */
+            be++;
+        }
+    }
+    if (i == _FS_LOCK)  /* The file is not opened */
+        return (be || acc == 2) ? FR_OK : FR_TOO_MANY_OPEN_FILES;   /* Is there a blank entry for new file? */
+
+    /* The file has been opened. Reject any open against writing file and all write mode open */
+    return (acc || Files[i].ctr == 0x100) ? FR_LOCKED : FR_OK;
+}
+
+
+static
+int enq_lock (void) /* Check if an entry is available for a new file */
+{
+    UINT i;
+
+    for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ;
+    return (i == _FS_LOCK) ? 0 : 1;
+}
+
+
+static
+UINT inc_lock ( /* Increment file open counter and returns its index (0:int error) */
+    DIR* dj,    /* Directory object pointing the file to register or increment */
+    int acc     /* Desired access mode (0:Read, !0:Write) */
+)
+{
+    UINT i;
+
+
+    for (i = 0; i < _FS_LOCK; i++) {    /* Find the file */
+        if (Files[i].fs == dj->fs &&
+            Files[i].clu == dj->sclust &&
+            Files[i].idx == dj->index) break;
+    }
+
+    if (i == _FS_LOCK) {                /* Not opened. Register it as new. */
+        for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ;
+        if (i == _FS_LOCK) return 0;    /* No space to register (int err) */
+        Files[i].fs = dj->fs;
+        Files[i].clu = dj->sclust;
+        Files[i].idx = dj->index;
+        Files[i].ctr = 0;
+    }
+
+    if (acc && Files[i].ctr) return 0;  /* Access violation (int err) */
+
+    Files[i].ctr = acc ? 0x100 : Files[i].ctr + 1;  /* Set semaphore value */
+
+    return i + 1;
+}
+
+
+static
+FRESULT dec_lock (  /* Decrement file open counter */
+    UINT i          /* Semaphore index */
+)
+{
+    WORD n;
+    FRESULT res;
+
+
+    if (--i < _FS_LOCK) {
+        n = Files[i].ctr;
+        if (n == 0x100) n = 0;
+        if (n) n--;
+        Files[i].ctr = n;
+        if (!n) Files[i].fs = 0;
+        res = FR_OK;
+    } else {
+        res = FR_INT_ERR;
+    }
+    return res;
+}
+
+
+static
+void clear_lock (   /* Clear lock entries of the volume */
+    FATFS *fs
+)
+{
+    UINT i;
+
+    for (i = 0; i < _FS_LOCK; i++) {
+        if (Files[i].fs == fs) Files[i].fs = 0;
+    }
+}
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Change window offset                                                  */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT move_window (
+    FATFS *fs,      /* File system object */
+    DWORD sector    /* Sector number to make appearance in the fs->win[] */
+)                   /* Move to zero only writes back dirty window */
+{
+    DWORD wsect;
+
+
+    wsect = fs->winsect;
+    if (wsect != sector) {  /* Changed current window */
+#if !_FS_READONLY
+        if (fs->wflag) {    /* Write back dirty window if needed */
+            if (disk_write(fs->drv, fs->win, wsect, 1) != RES_OK)
+                return FR_DISK_ERR;
+            fs->wflag = 0;
+            if (wsect < (fs->fatbase + fs->fsize)) {    /* In FAT area */
+                BYTE nf;
+                for (nf = fs->n_fats; nf > 1; nf--) {   /* Reflect the change to all FAT copies */
+                    wsect += fs->fsize;
+                    disk_write(fs->drv, fs->win, wsect, 1);
+                }
+            }
+        }
+#endif
+        if (sector) {
+            if (disk_read(fs->drv, fs->win, sector, 1) != RES_OK)
+                return FR_DISK_ERR;
+            fs->winsect = sector;
+        }
+    }
+
+    return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Clean-up cached data                                                  */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+static
+FRESULT sync (  /* FR_OK: successful, FR_DISK_ERR: failed */
+    FATFS *fs   /* File system object */
+)
+{
+    FRESULT res;
+
+
+    res = move_window(fs, 0);
+    if (res == FR_OK) {
+        /* Update FSInfo sector if needed */
+        if (fs->fs_type == FS_FAT32 && fs->fsi_flag) {
+            fs->winsect = 0;
+            /* Create FSInfo structure */
+            mem_set(fs->win, 0, 512);
+            ST_WORD(fs->win+BS_55AA, 0xAA55);
+            ST_DWORD(fs->win+FSI_LeadSig, 0x41615252);
+            ST_DWORD(fs->win+FSI_StrucSig, 0x61417272);
+            ST_DWORD(fs->win+FSI_Free_Count, fs->free_clust);
+            ST_DWORD(fs->win+FSI_Nxt_Free, fs->last_clust);
+            /* Write it into the FSInfo sector */
+            disk_write(fs->drv, fs->win, fs->fsi_sector, 1);
+            fs->fsi_flag = 0;
+        }
+        /* Make sure that no pending write process in the physical drive */
+        if (disk_ioctl(fs->drv, CTRL_SYNC, 0) != RES_OK)
+            res = FR_DISK_ERR;
+    }
+
+    return res;
+}
+#endif
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Get sector# from cluster#                                             */
+/*-----------------------------------------------------------------------*/
+
+
+DWORD clust2sect (  /* !=0: Sector number, 0: Failed - invalid cluster# */
+    FATFS *fs,      /* File system object */
+    DWORD clst      /* Cluster# to be converted */
+)
+{
+    clst -= 2;
+    if (clst >= (fs->n_fatent - 2)) return 0;       /* Invalid cluster# */
+    return clst * fs->csize + fs->database;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT access - Read value of a FAT entry                                */
+/*-----------------------------------------------------------------------*/
+
+
+DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, Else:Cluster status */
+    FATFS *fs,  /* File system object */
+    DWORD clst  /* Cluster# to get the link information */
+)
+{
+    UINT wc, bc;
+    BYTE *p;
+
+
+    if (clst < 2 || clst >= fs->n_fatent)   /* Check range */
+        return 1;
+
+    switch (fs->fs_type) {
+    case FS_FAT12 :
+        bc = (UINT)clst; bc += bc / 2;
+        if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break;
+        wc = fs->win[bc % SS(fs)]; bc++;
+        if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break;
+        wc |= fs->win[bc % SS(fs)] << 8;
+        return (clst & 1) ? (wc >> 4) : (wc & 0xFFF);
+
+    case FS_FAT16 :
+        if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)))) break;
+        p = &fs->win[clst * 2 % SS(fs)];
+        return LD_WORD(p);
+
+    case FS_FAT32 :
+        if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)))) break;
+        p = &fs->win[clst * 4 % SS(fs)];
+        return LD_DWORD(p) & 0x0FFFFFFF;
+    }
+
+    return 0xFFFFFFFF;  /* An error occurred at the disk I/O layer */
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT access - Change value of a FAT entry                              */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+
+FRESULT put_fat (
+    FATFS *fs,  /* File system object */
+    DWORD clst, /* Cluster# to be changed in range of 2 to fs->n_fatent - 1 */
+    DWORD val   /* New value to mark the cluster */
+)
+{
+    UINT bc;
+    BYTE *p;
+    FRESULT res;
+
+
+    if (clst < 2 || clst >= fs->n_fatent) { /* Check range */
+        res = FR_INT_ERR;
+
+    } else {
+        switch (fs->fs_type) {
+        case FS_FAT12 :
+            bc = (UINT)clst; bc += bc / 2;
+            res = move_window(fs, fs->fatbase + (bc / SS(fs)));
+            if (res != FR_OK) break;
+            p = &fs->win[bc % SS(fs)];
+            *p = (clst & 1) ? ((*p & 0x0F) | ((BYTE)val << 4)) : (BYTE)val;
+            bc++;
+            fs->wflag = 1;
+            res = move_window(fs, fs->fatbase + (bc / SS(fs)));
+            if (res != FR_OK) break;
+            p = &fs->win[bc % SS(fs)];
+            *p = (clst & 1) ? (BYTE)(val >> 4) : ((*p & 0xF0) | ((BYTE)(val >> 8) & 0x0F));
+            break;
+
+        case FS_FAT16 :
+            res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)));
+            if (res != FR_OK) break;
+            p = &fs->win[clst * 2 % SS(fs)];
+            ST_WORD(p, (WORD)val);
+            break;
+
+        case FS_FAT32 :
+            res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)));
+            if (res != FR_OK) break;
+            p = &fs->win[clst * 4 % SS(fs)];
+            val |= LD_DWORD(p) & 0xF0000000;
+            ST_DWORD(p, val);
+            break;
+
+        default :
+            res = FR_INT_ERR;
+        }
+        fs->wflag = 1;
+    }
+
+    return res;
+}
+#endif /* !_FS_READONLY */
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT handling - Remove a cluster chain                                 */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+static
+FRESULT remove_chain (
+    FATFS *fs,          /* File system object */
+    DWORD clst          /* Cluster# to remove a chain from */
+)
+{
+    FRESULT res;
+    DWORD nxt;
+#if _USE_ERASE
+    DWORD scl = clst, ecl = clst, rt[2];
+#endif
+
+    if (clst < 2 || clst >= fs->n_fatent) { /* Check range */
+        res = FR_INT_ERR;
+
+    } else {
+        res = FR_OK;
+        while (clst < fs->n_fatent) {           /* Not a last link? */
+            nxt = get_fat(fs, clst);            /* Get cluster status */
+            if (nxt == 0) break;                /* Empty cluster? */
+            if (nxt == 1) { res = FR_INT_ERR; break; }  /* Internal error? */
+            if (nxt == 0xFFFFFFFF) { res = FR_DISK_ERR; break; }    /* Disk error? */
+            res = put_fat(fs, clst, 0);         /* Mark the cluster "empty" */
+            if (res != FR_OK) break;
+            if (fs->free_clust != 0xFFFFFFFF) { /* Update FSInfo */
+                fs->free_clust++;
+                fs->fsi_flag = 1;
+            }
+#if _USE_ERASE
+            if (ecl + 1 == nxt) {   /* Is next cluster contiguous? */
+                ecl = nxt;
+            } else {                /* End of contiguous clusters */
+                rt[0] = clust2sect(fs, scl);                    /* Start sector */
+                rt[1] = clust2sect(fs, ecl) + fs->csize - 1;    /* End sector */
+                disk_ioctl(fs->drv, CTRL_ERASE_SECTOR, rt);     /* Erase the block */
+                scl = ecl = nxt;
+            }
+#endif
+            clst = nxt; /* Next cluster */
+        }
+    }
+
+    return res;
+}
+#endif
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT handling - Stretch or Create a cluster chain                      */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+static
+DWORD create_chain (    /* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */
+    FATFS *fs,          /* File system object */
+    DWORD clst          /* Cluster# to stretch. 0 means create a new chain. */
+)
+{
+    DWORD cs, ncl, scl;
+    FRESULT res;
+
+
+    if (clst == 0) {        /* Create a new chain */
+        scl = fs->last_clust;           /* Get suggested start point */
+        if (!scl || scl >= fs->n_fatent) scl = 1;
+    }
+    else {                  /* Stretch the current chain */
+        cs = get_fat(fs, clst);         /* Check the cluster status */
+        if (cs < 2) return 1;           /* It is an invalid cluster */
+        if (cs < fs->n_fatent) return cs;   /* It is already followed by next cluster */
+        scl = clst;
+    }
+
+    ncl = scl;              /* Start cluster */
+    for (;;) {
+        ncl++;                          /* Next cluster */
+        if (ncl >= fs->n_fatent) {      /* Wrap around */
+            ncl = 2;
+            if (ncl > scl) return 0;    /* No free cluster */
+        }
+        cs = get_fat(fs, ncl);          /* Get the cluster status */
+        if (cs == 0) break;             /* Found a free cluster */
+        if (cs == 0xFFFFFFFF || cs == 1)/* An error occurred */
+            return cs;
+        if (ncl == scl) return 0;       /* No free cluster */
+    }
+
+    res = put_fat(fs, ncl, 0x0FFFFFFF); /* Mark the new cluster "last link" */
+    if (res == FR_OK && clst != 0) {
+        res = put_fat(fs, clst, ncl);   /* Link it to the previous one if needed */
+    }
+    if (res == FR_OK) {
+        fs->last_clust = ncl;           /* Update FSINFO */
+        if (fs->free_clust != 0xFFFFFFFF) {
+            fs->free_clust--;
+            fs->fsi_flag = 1;
+        }
+    } else {
+        ncl = (res == FR_DISK_ERR) ? 0xFFFFFFFF : 1;
+    }
+
+    return ncl;     /* Return new cluster number or error code */
+}
+#endif /* !_FS_READONLY */
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT handling - Convert offset into cluster with link map table        */
+/*-----------------------------------------------------------------------*/
+
+#if _USE_FASTSEEK
+static
+DWORD clmt_clust (  /* <2:Error, >=2:Cluster number */
+    FIL* fp,        /* Pointer to the file object */
+    DWORD ofs       /* File offset to be converted to cluster# */
+)
+{
+    DWORD cl, ncl, *tbl;
+
+
+    tbl = fp->cltbl + 1;    /* Top of CLMT */
+    cl = ofs / SS(fp->fs) / fp->fs->csize;  /* Cluster order from top of the file */
+    for (;;) {
+        ncl = *tbl++;           /* Number of cluters in the fragment */
+        if (!ncl) return 0;     /* End of table? (error) */
+        if (cl < ncl) break;    /* In this fragment? */
+        cl -= ncl; tbl++;       /* Next fragment */
+    }
+    return cl + *tbl;   /* Return the cluster number */
+}
+#endif  /* _USE_FASTSEEK */
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Set directory index                              */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT dir_sdi (
+    FATFS_DIR *dj,        /* Pointer to directory object */
+    WORD idx        /* Index of directory table */
+)
+{
+    DWORD clst;
+    WORD ic;
+
+
+    dj->index = idx;
+    clst = dj->sclust;
+    if (clst == 1 || clst >= dj->fs->n_fatent)  /* Check start cluster range */
+        return FR_INT_ERR;
+    if (!clst && dj->fs->fs_type == FS_FAT32)   /* Replace cluster# 0 with root cluster# if in FAT32 */
+        clst = dj->fs->dirbase;
+
+    if (clst == 0) {    /* Static table (root-dir in FAT12/16) */
+        dj->clust = clst;
+        if (idx >= dj->fs->n_rootdir)       /* Index is out of range */
+            return FR_INT_ERR;
+        dj->sect = dj->fs->dirbase + idx / (SS(dj->fs) / SZ_DIR);   /* Sector# */
+    }
+    else {              /* Dynamic table (sub-dirs or root-dir in FAT32) */
+        ic = SS(dj->fs) / SZ_DIR * dj->fs->csize;   /* Entries per cluster */
+        while (idx >= ic) { /* Follow cluster chain */
+            clst = get_fat(dj->fs, clst);               /* Get next cluster */
+            if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */
+            if (clst < 2 || clst >= dj->fs->n_fatent)   /* Reached to end of table or int error */
+                return FR_INT_ERR;
+            idx -= ic;
+        }
+        dj->clust = clst;
+        dj->sect = clust2sect(dj->fs, clst) + idx / (SS(dj->fs) / SZ_DIR);  /* Sector# */
+    }
+
+    dj->dir = dj->fs->win + (idx % (SS(dj->fs) / SZ_DIR)) * SZ_DIR; /* Ptr to the entry in the sector */
+
+    return FR_OK;   /* Seek succeeded */
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Move directory table index next                  */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT dir_next (  /* FR_OK:Succeeded, FR_NO_FILE:End of table, FR_DENIED:EOT and could not stretch */
+    FATFS_DIR *dj,        /* Pointer to directory object */
+    int stretch     /* 0: Do not stretch table, 1: Stretch table if needed */
+)
+{
+    DWORD clst;
+    WORD i;
+
+
+    stretch = stretch;      /* To suppress warning on read-only cfg. */
+    i = dj->index + 1;
+    if (!i || !dj->sect)    /* Report EOT when index has reached 65535 */
+        return FR_NO_FILE;
+
+    if (!(i % (SS(dj->fs) / SZ_DIR))) { /* Sector changed? */
+        dj->sect++;                 /* Next sector */
+
+        if (dj->clust == 0) {   /* Static table */
+            if (i >= dj->fs->n_rootdir) /* Report EOT when end of table */
+                return FR_NO_FILE;
+        }
+        else {                  /* Dynamic table */
+            if (((i / (SS(dj->fs) / SZ_DIR)) & (dj->fs->csize - 1)) == 0) { /* Cluster changed? */
+                clst = get_fat(dj->fs, dj->clust);              /* Get next cluster */
+                if (clst <= 1) return FR_INT_ERR;
+                if (clst == 0xFFFFFFFF) return FR_DISK_ERR;
+                if (clst >= dj->fs->n_fatent) {                 /* When it reached end of dynamic table */
+#if !_FS_READONLY
+                    BYTE c;
+                    if (!stretch) return FR_NO_FILE;            /* When do not stretch, report EOT */
+                    clst = create_chain(dj->fs, dj->clust);     /* Stretch cluster chain */
+                    if (clst == 0) return FR_DENIED;            /* No free cluster */
+                    if (clst == 1) return FR_INT_ERR;
+                    if (clst == 0xFFFFFFFF) return FR_DISK_ERR;
+                    /* Clean-up stretched table */
+                    if (move_window(dj->fs, 0)) return FR_DISK_ERR; /* Flush active window */
+                    mem_set(dj->fs->win, 0, SS(dj->fs));            /* Clear window buffer */
+                    dj->fs->winsect = clust2sect(dj->fs, clst); /* Cluster start sector */
+                    for (c = 0; c < dj->fs->csize; c++) {       /* Fill the new cluster with 0 */
+                        dj->fs->wflag = 1;
+                        if (move_window(dj->fs, 0)) return FR_DISK_ERR;
+                        dj->fs->winsect++;
+                    }
+                    dj->fs->winsect -= c;                       /* Rewind window address */
+#else
+                    return FR_NO_FILE;          /* Report EOT */
+#endif
+                }
+                dj->clust = clst;               /* Initialize data for new cluster */
+                dj->sect = clust2sect(dj->fs, clst);
+            }
+        }
+    }
+
+    dj->index = i;
+    dj->dir = dj->fs->win + (i % (SS(dj->fs) / SZ_DIR)) * SZ_DIR;
+
+    return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Load/Store start cluster number                  */
+/*-----------------------------------------------------------------------*/
+
+static
+DWORD ld_clust (
+    FATFS *fs,  /* Pointer to the fs object */
+    BYTE *dir   /* Pointer to the directory entry */
+)
+{
+    DWORD cl;
+
+    cl = LD_WORD(dir+DIR_FstClusLO);
+    if (fs->fs_type == FS_FAT32)
+        cl |= (DWORD)LD_WORD(dir+DIR_FstClusHI) << 16;
+
+    return cl;
+}
+
+
+#if !_FS_READONLY
+static
+void st_clust (
+    BYTE *dir,  /* Pointer to the directory entry */
+    DWORD cl    /* Value to be set */
+)
+{
+    ST_WORD(dir+DIR_FstClusLO, cl);
+    ST_WORD(dir+DIR_FstClusHI, cl >> 16);
+}
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* LFN handling - Test/Pick/Fit an LFN segment from/to directory entry   */
+/*-----------------------------------------------------------------------*/
+#if _USE_LFN
+static
+const BYTE LfnOfs[] = {1,3,5,7,9,14,16,18,20,22,24,28,30};  /* Offset of LFN chars in the directory entry */
+
+
+static
+int cmp_lfn (           /* 1:Matched, 0:Not matched */
+    WCHAR *lfnbuf,      /* Pointer to the LFN to be compared */
+    BYTE *dir           /* Pointer to the directory entry containing a part of LFN */
+)
+{
+    UINT i, s;
+    WCHAR wc, uc;
+
+
+    i = ((dir[LDIR_Ord] & ~LLE) - 1) * 13;  /* Get offset in the LFN buffer */
+    s = 0; wc = 1;
+    do {
+        uc = LD_WORD(dir+LfnOfs[s]);    /* Pick an LFN character from the entry */
+        if (wc) {   /* Last char has not been processed */
+            wc = ff_wtoupper(uc);       /* Convert it to upper case */
+            if (i >= _MAX_LFN || wc != ff_wtoupper(lfnbuf[i++]))    /* Compare it */
+                return 0;               /* Not matched */
+        } else {
+            if (uc != 0xFFFF) return 0; /* Check filler */
+        }
+    } while (++s < 13);             /* Repeat until all chars in the entry are checked */
+
+    if ((dir[LDIR_Ord] & LLE) && wc && lfnbuf[i])   /* Last segment matched but different length */
+        return 0;
+
+    return 1;                       /* The part of LFN matched */
+}
+
+
+
+static
+int pick_lfn (          /* 1:Succeeded, 0:Buffer overflow */
+    WCHAR *lfnbuf,      /* Pointer to the Unicode-LFN buffer */
+    BYTE *dir           /* Pointer to the directory entry */
+)
+{
+    UINT i, s;
+    WCHAR wc, uc;
+
+
+    i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13;  /* Offset in the LFN buffer */
+
+    s = 0; wc = 1;
+    do {
+        uc = LD_WORD(dir+LfnOfs[s]);        /* Pick an LFN character from the entry */
+        if (wc) {   /* Last char has not been processed */
+            if (i >= _MAX_LFN) return 0;    /* Buffer overflow? */
+            lfnbuf[i++] = wc = uc;          /* Store it */
+        } else {
+            if (uc != 0xFFFF) return 0;     /* Check filler */
+        }
+    } while (++s < 13);                     /* Read all character in the entry */
+
+    if (dir[LDIR_Ord] & LLE) {              /* Put terminator if it is the last LFN part */
+        if (i >= _MAX_LFN) return 0;        /* Buffer overflow? */
+        lfnbuf[i] = 0;
+    }
+
+    return 1;
+}
+
+
+#if !_FS_READONLY
+static
+void fit_lfn (
+    const WCHAR *lfnbuf,    /* Pointer to the LFN buffer */
+    BYTE *dir,              /* Pointer to the directory entry */
+    BYTE ord,               /* LFN order (1-20) */
+    BYTE sum                /* SFN sum */
+)
+{
+    UINT i, s;
+    WCHAR wc;
+
+
+    dir[LDIR_Chksum] = sum;         /* Set check sum */
+    dir[LDIR_Attr] = AM_LFN;        /* Set attribute. LFN entry */
+    dir[LDIR_Type] = 0;
+    ST_WORD(dir+LDIR_FstClusLO, 0);
+
+    i = (ord - 1) * 13;             /* Get offset in the LFN buffer */
+    s = wc = 0;
+    do {
+        if (wc != 0xFFFF) wc = lfnbuf[i++]; /* Get an effective char */
+        ST_WORD(dir+LfnOfs[s], wc); /* Put it */
+        if (!wc) wc = 0xFFFF;       /* Padding chars following last char */
+    } while (++s < 13);
+    if (wc == 0xFFFF || !lfnbuf[i]) ord |= LLE; /* Bottom LFN part is the start of LFN sequence */
+    dir[LDIR_Ord] = ord;            /* Set the LFN order */
+}
+
+#endif
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Create numbered name                                                  */
+/*-----------------------------------------------------------------------*/
+#if _USE_LFN
+void gen_numname (
+    BYTE *dst,          /* Pointer to generated SFN */
+    const BYTE *src,    /* Pointer to source SFN to be modified */
+    const WCHAR *lfn,   /* Pointer to LFN */
+    WORD seq            /* Sequence number */
+)
+{
+    BYTE ns[8], c;
+    UINT i, j;
+
+
+    mem_cpy(dst, src, 11);
+
+    if (seq > 5) {  /* On many collisions, generate a hash number instead of sequential number */
+        do seq = (seq >> 1) + (seq << 15) + (WORD)*lfn++; while (*lfn);
+    }
+
+    /* itoa (hexdecimal) */
+    i = 7;
+    do {
+        c = (seq % 16) + '0';
+        if (c > '9') c += 7;
+        ns[i--] = c;
+        seq /= 16;
+    } while (seq);
+    ns[i] = '~';
+
+    /* Append the number */
+    for (j = 0; j < i && dst[j] != ' '; j++) {
+        if (IsDBCS1(dst[j])) {
+            if (j == i - 1) break;
+            j++;
+        }
+    }
+    do {
+        dst[j++] = (i < 8) ? ns[i++] : ' ';
+    } while (j < 8);
+}
+#endif
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Calculate sum of an SFN                                               */
+/*-----------------------------------------------------------------------*/
+#if _USE_LFN
+static
+BYTE sum_sfn (
+    const BYTE *dir     /* Ptr to directory entry */
+)
+{
+    BYTE sum = 0;
+    UINT n = 11;
+
+    do sum = (sum >> 1) + (sum << 7) + *dir++; while (--n);
+    return sum;
+}
+#endif
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Find an object in the directory                  */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT dir_find (
+    FATFS_DIR *dj         /* Pointer to the directory object linked to the file name */
+)
+{
+    FRESULT res;
+    BYTE c, *dir;
+#if _USE_LFN
+    BYTE a, ord, sum;
+#endif
+
+    res = dir_sdi(dj, 0);           /* Rewind directory object */
+    if (res != FR_OK) return res;
+
+#if _USE_LFN
+    ord = sum = 0xFF;
+#endif
+    do {
+        res = move_window(dj->fs, dj->sect);
+        if (res != FR_OK) break;
+        dir = dj->dir;                  /* Ptr to the directory entry of current index */
+        c = dir[DIR_Name];
+        if (c == 0) { res = FR_NO_FILE; break; }    /* Reached to end of table */
+#if _USE_LFN    /* LFN configuration */
+        a = dir[DIR_Attr] & AM_MASK;
+        if (c == DDE || ((a & AM_VOL) && a != AM_LFN)) {    /* An entry without valid data */
+            ord = 0xFF;
+        } else {
+            if (a == AM_LFN) {          /* An LFN entry is found */
+                if (dj->lfn) {
+                    if (c & LLE) {      /* Is it start of LFN sequence? */
+                        sum = dir[LDIR_Chksum];
+                        c &= ~LLE; ord = c; /* LFN start order */
+                        dj->lfn_idx = dj->index;
+                    }
+                    /* Check validity of the LFN entry and compare it with given name */
+                    ord = (c == ord && sum == dir[LDIR_Chksum] && cmp_lfn(dj->lfn, dir)) ? ord - 1 : 0xFF;
+                }
+            } else {                    /* An SFN entry is found */
+                if (!ord && sum == sum_sfn(dir)) break; /* LFN matched? */
+                ord = 0xFF; dj->lfn_idx = 0xFFFF;   /* Reset LFN sequence */
+                if (!(dj->fn[NS] & NS_LOSS) && !mem_cmp(dir, dj->fn, 11)) break;    /* SFN matched? */
+            }
+        }
+#else       /* Non LFN configuration */
+        if (!(dir[DIR_Attr] & AM_VOL) && !mem_cmp(dir, dj->fn, 11)) /* Is it a valid entry? */
+            break;
+#endif
+        res = dir_next(dj, 0);      /* Next entry */
+    } while (res == FR_OK);
+
+    return res;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read an object from the directory                                     */
+/*-----------------------------------------------------------------------*/
+#if _FS_MINIMIZE <= 1
+static
+FRESULT dir_read (
+    FATFS_DIR *dj         /* Pointer to the directory object that pointing the entry to be read */
+)
+{
+    FRESULT res;
+    BYTE c, *dir;
+#if _USE_LFN
+    BYTE a, ord = 0xFF, sum = 0xFF;
+#endif
+
+    res = FR_NO_FILE;
+    while (dj->sect) {
+        res = move_window(dj->fs, dj->sect);
+        if (res != FR_OK) break;
+        dir = dj->dir;                  /* Ptr to the directory entry of current index */
+        c = dir[DIR_Name];
+        if (c == 0) { res = FR_NO_FILE; break; }    /* Reached to end of table */
+#if _USE_LFN    /* LFN configuration */
+        a = dir[DIR_Attr] & AM_MASK;
+        if (c == DDE || (!_FS_RPATH && c == '.') || ((a & AM_VOL) && a != AM_LFN)) {    /* An entry without valid data */
+            ord = 0xFF;
+        } else {
+            if (a == AM_LFN) {          /* An LFN entry is found */
+                if (c & LLE) {          /* Is it start of LFN sequence? */
+                    sum = dir[LDIR_Chksum];
+                    c &= ~LLE; ord = c;
+                    dj->lfn_idx = dj->index;
+                }
+                /* Check LFN validity and capture it */
+                ord = (c == ord && sum == dir[LDIR_Chksum] && pick_lfn(dj->lfn, dir)) ? ord - 1 : 0xFF;
+            } else {                    /* An SFN entry is found */
+                if (ord || sum != sum_sfn(dir)) /* Is there a valid LFN? */
+                    dj->lfn_idx = 0xFFFF;       /* It has no LFN. */
+                break;
+            }
+        }
+#else       /* Non LFN configuration */
+        if (c != DDE && (_FS_RPATH || c != '.') && !(dir[DIR_Attr] & AM_VOL))   /* Is it a valid entry? */
+            break;
+#endif
+        res = dir_next(dj, 0);              /* Next entry */
+        if (res != FR_OK) break;
+    }
+
+    if (res != FR_OK) dj->sect = 0;
+
+    return res;
+}
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Register an object to the directory                                   */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+static
+FRESULT dir_register (  /* FR_OK:Successful, FR_DENIED:No free entry or too many SFN collision, FR_DISK_ERR:Disk error */
+    FATFS_DIR *dj             /* Target directory with object name to be created */
+)
+{
+    FRESULT res;
+    BYTE c, *dir;
+#if _USE_LFN    /* LFN configuration */
+    WORD n, ne, is;
+    BYTE sn[12], *fn, sum;
+    WCHAR *lfn;
+
+
+    fn = dj->fn; lfn = dj->lfn;
+    mem_cpy(sn, fn, 12);
+
+    if (_FS_RPATH && (sn[NS] & NS_DOT))     /* Cannot create dot entry */
+        return FR_INVALID_NAME;
+
+    if (sn[NS] & NS_LOSS) {         /* When LFN is out of 8.3 format, generate a numbered name */
+        fn[NS] = 0; dj->lfn = 0;            /* Find only SFN */
+        for (n = 1; n < 100; n++) {
+            gen_numname(fn, sn, lfn, n);    /* Generate a numbered name */
+            res = dir_find(dj);             /* Check if the name collides with existing SFN */
+            if (res != FR_OK) break;
+        }
+        if (n == 100) return FR_DENIED;     /* Abort if too many collisions */
+        if (res != FR_NO_FILE) return res;  /* Abort if the result is other than 'not collided' */
+        fn[NS] = sn[NS]; dj->lfn = lfn;
+    }
+
+    if (sn[NS] & NS_LFN) {          /* When LFN is to be created, reserve an SFN + LFN entries. */
+        for (ne = 0; lfn[ne]; ne++) ;
+        ne = (ne + 25) / 13;
+    } else {                        /* Otherwise reserve only an SFN entry. */
+        ne = 1;
+    }
+
+    /* Reserve contiguous entries */
+    res = dir_sdi(dj, 0);
+    if (res != FR_OK) return res;
+    n = is = 0;
+    do {
+        res = move_window(dj->fs, dj->sect);
+        if (res != FR_OK) break;
+        c = *dj->dir;               /* Check the entry status */
+        if (c == DDE || c == 0) {   /* Is it a blank entry? */
+            if (n == 0) is = dj->index; /* First index of the contiguous entry */
+            if (++n == ne) break;   /* A contiguous entry that required count is found */
+        } else {
+            n = 0;                  /* Not a blank entry. Restart to search */
+        }
+        res = dir_next(dj, 1);      /* Next entry with table stretch */
+    } while (res == FR_OK);
+
+    if (res == FR_OK && ne > 1) {   /* Initialize LFN entry if needed */
+        res = dir_sdi(dj, is);
+        if (res == FR_OK) {
+            sum = sum_sfn(dj->fn);  /* Sum of the SFN tied to the LFN */
+            ne--;
+            do {                    /* Store LFN entries in bottom first */
+                res = move_window(dj->fs, dj->sect);
+                if (res != FR_OK) break;
+                fit_lfn(dj->lfn, dj->dir, (BYTE)ne, sum);
+                dj->fs->wflag = 1;
+                res = dir_next(dj, 0);  /* Next entry */
+            } while (res == FR_OK && --ne);
+        }
+    }
+
+#else   /* Non LFN configuration */
+    res = dir_sdi(dj, 0);
+    if (res == FR_OK) {
+        do {    /* Find a blank entry for the SFN */
+            res = move_window(dj->fs, dj->sect);
+            if (res != FR_OK) break;
+            c = *dj->dir;
+            if (c == DDE || c == 0) break;  /* Is it a blank entry? */
+            res = dir_next(dj, 1);          /* Next entry with table stretch */
+        } while (res == FR_OK);
+    }
+#endif
+
+    if (res == FR_OK) {     /* Initialize the SFN entry */
+        res = move_window(dj->fs, dj->sect);
+        if (res == FR_OK) {
+            dir = dj->dir;
+            mem_set(dir, 0, SZ_DIR);    /* Clean the entry */
+            mem_cpy(dir, dj->fn, 11);   /* Put SFN */
+#if _USE_LFN
+            dir[DIR_NTres] = *(dj->fn+NS) & (NS_BODY | NS_EXT); /* Put NT flag */
+#endif
+            dj->fs->wflag = 1;
+        }
+    }
+
+    return res;
+}
+#endif /* !_FS_READONLY */
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Remove an object from the directory                                   */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY && !_FS_MINIMIZE
+static
+FRESULT dir_remove (    /* FR_OK: Successful, FR_DISK_ERR: A disk error */
+    FATFS_DIR *dj             /* Directory object pointing the entry to be removed */
+)
+{
+    FRESULT res;
+#if _USE_LFN    /* LFN configuration */
+    WORD i;
+
+    i = dj->index;  /* SFN index */
+    res = dir_sdi(dj, (WORD)((dj->lfn_idx == 0xFFFF) ? i : dj->lfn_idx));   /* Goto the SFN or top of the LFN entries */
+    if (res == FR_OK) {
+        do {
+            res = move_window(dj->fs, dj->sect);
+            if (res != FR_OK) break;
+            *dj->dir = DDE;         /* Mark the entry "deleted" */
+            dj->fs->wflag = 1;
+            if (dj->index >= i) break;  /* When reached SFN, all entries of the object has been deleted. */
+            res = dir_next(dj, 0);      /* Next entry */
+        } while (res == FR_OK);
+        if (res == FR_NO_FILE) res = FR_INT_ERR;
+    }
+
+#else           /* Non LFN configuration */
+    res = dir_sdi(dj, dj->index);
+    if (res == FR_OK) {
+        res = move_window(dj->fs, dj->sect);
+        if (res == FR_OK) {
+            *dj->dir = DDE;         /* Mark the entry "deleted" */
+            dj->fs->wflag = 1;
+        }
+    }
+#endif
+
+    return res;
+}
+#endif /* !_FS_READONLY */
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Pick a segment and create the object name in directory form           */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT create_name (
+    FATFS_DIR *dj,            /* Pointer to the directory object */
+    const TCHAR **path  /* Pointer to pointer to the segment in the path string */
+)
+{
+#ifdef _EXCVT
+    static const BYTE excvt[] = _EXCVT; /* Upper conversion table for extended chars */
+#endif
+
+#if _USE_LFN    /* LFN configuration */
+    BYTE b, cf;
+    WCHAR w, *lfn;
+    UINT i, ni, si, di;
+    const TCHAR *p;
+
+    /* Create LFN in Unicode */
+    for (p = *path; *p == '/' || *p == '\\'; p++) ; /* Strip duplicated separator */
+    lfn = dj->lfn;
+    si = di = 0;
+    for (;;) {
+        w = p[si++];                    /* Get a character */
+        if (w < ' ' || w == '/' || w == '\\') break;    /* Break on end of segment */
+        if (di >= _MAX_LFN)             /* Reject too long name */
+            return FR_INVALID_NAME;
+#if !_LFN_UNICODE
+        w &= 0xFF;
+        if (IsDBCS1(w)) {               /* Check if it is a DBC 1st byte (always false on SBCS cfg) */
+            b = (BYTE)p[si++];          /* Get 2nd byte */
+            if (!IsDBCS2(b))
+                return FR_INVALID_NAME; /* Reject invalid sequence */
+            w = (w << 8) + b;           /* Create a DBC */
+        }
+        w = ff_convert(w, 1);           /* Convert ANSI/OEM to Unicode */
+        if (!w) return FR_INVALID_NAME; /* Reject invalid code */
+#endif
+        if (w < 0x80 && chk_chr("\"*:<>\?|\x7F", w)) /* Reject illegal chars for LFN */
+            return FR_INVALID_NAME;
+        lfn[di++] = w;                  /* Store the Unicode char */
+    }
+    *path = &p[si];                     /* Return pointer to the next segment */
+    cf = (w < ' ') ? NS_LAST : 0;       /* Set last segment flag if end of path */
+#if _FS_RPATH
+    if ((di == 1 && lfn[di-1] == '.') || /* Is this a dot entry? */
+        (di == 2 && lfn[di-1] == '.' && lfn[di-2] == '.')) {
+        lfn[di] = 0;
+        for (i = 0; i < 11; i++)
+            dj->fn[i] = (i < di) ? '.' : ' ';
+        dj->fn[i] = cf | NS_DOT;        /* This is a dot entry */
+        return FR_OK;
+    }
+#endif
+    while (di) {                        /* Strip trailing spaces and dots */
+        w = lfn[di-1];
+        if (w != ' ' && w != '.') break;
+        di--;
+    }
+    if (!di) return FR_INVALID_NAME;    /* Reject nul string */
+
+    lfn[di] = 0;                        /* LFN is created */
+
+    /* Create SFN in directory form */
+    mem_set(dj->fn, ' ', 11);
+    for (si = 0; lfn[si] == ' ' || lfn[si] == '.'; si++) ;  /* Strip leading spaces and dots */
+    if (si) cf |= NS_LOSS | NS_LFN;
+    while (di && lfn[di - 1] != '.') di--;  /* Find extension (di<=si: no extension) */
+
+    b = i = 0; ni = 8;
+    for (;;) {
+        w = lfn[si++];                  /* Get an LFN char */
+        if (!w) break;                  /* Break on end of the LFN */
+        if (w == ' ' || (w == '.' && si != di)) {   /* Remove spaces and dots */
+            cf |= NS_LOSS | NS_LFN; continue;
+        }
+
+        if (i >= ni || si == di) {      /* Extension or end of SFN */
+            if (ni == 11) {             /* Long extension */
+                cf |= NS_LOSS | NS_LFN; break;
+            }
+            if (si != di) cf |= NS_LOSS | NS_LFN;   /* Out of 8.3 format */
+            if (si > di) break;         /* No extension */
+            si = di; i = 8; ni = 11;    /* Enter extension section */
+            b <<= 2; continue;
+        }
+
+        if (w >= 0x80) {                /* Non ASCII char */
+#ifdef _EXCVT
+            w = ff_convert(w, 0);       /* Unicode -> OEM code */
+            if (w) w = excvt[w - 0x80]; /* Convert extended char to upper (SBCS) */
+#else
+            w = ff_convert(ff_wtoupper(w), 0);  /* Upper converted Unicode -> OEM code */
+#endif
+            cf |= NS_LFN;               /* Force create LFN entry */
+        }
+
+        if (_DF1S && w >= 0x100) {      /* Double byte char (always false on SBCS cfg) */
+            if (i >= ni - 1) {
+                cf |= NS_LOSS | NS_LFN; i = ni; continue;
+            }
+            dj->fn[i++] = (BYTE)(w >> 8);
+        } else {                        /* Single byte char */
+            if (!w || chk_chr("+,;=[]", w)) {   /* Replace illegal chars for SFN */
+                w = '_'; cf |= NS_LOSS | NS_LFN;/* Lossy conversion */
+            } else {
+                if (IsUpper(w)) {       /* ASCII large capital */
+                    b |= 2;
+                } else {
+                    if (IsLower(w)) {   /* ASCII small capital */
+                        b |= 1; w -= 0x20;
+                    }
+                }
+            }
+        }
+        dj->fn[i++] = (BYTE)w;
+    }
+
+    if (dj->fn[0] == DDE) dj->fn[0] = NDDE; /* If the first char collides with deleted mark, replace it with 0x05 */
+
+    if (ni == 8) b <<= 2;
+    if ((b & 0x0C) == 0x0C || (b & 0x03) == 0x03)   /* Create LFN entry when there are composite capitals */
+        cf |= NS_LFN;
+    if (!(cf & NS_LFN)) {                       /* When LFN is in 8.3 format without extended char, NT flags are created */
+        if ((b & 0x03) == 0x01) cf |= NS_EXT;   /* NT flag (Extension has only small capital) */
+        if ((b & 0x0C) == 0x04) cf |= NS_BODY;  /* NT flag (Filename has only small capital) */
+    }
+
+    dj->fn[NS] = cf;    /* SFN is created */
+
+    return FR_OK;
+
+
+#else   /* Non-LFN configuration */
+    BYTE b, c, d, *sfn;
+    UINT ni, si, i;
+    const char *p;
+
+    /* Create file name in directory form */
+    for (p = *path; *p == '/' || *p == '\\'; p++) ; /* Strip duplicated separator */
+    sfn = dj->fn;
+    mem_set(sfn, ' ', 11);
+    si = i = b = 0; ni = 8;
+#if _FS_RPATH
+    if (p[si] == '.') { /* Is this a dot entry? */
+        for (;;) {
+            c = (BYTE)p[si++];
+            if (c != '.' || si >= 3) break;
+            sfn[i++] = c;
+        }
+        if (c != '/' && c != '\\' && c > ' ') return FR_INVALID_NAME;
+        *path = &p[si];                                 /* Return pointer to the next segment */
+        sfn[NS] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT;   /* Set last segment flag if end of path */
+        return FR_OK;
+    }
+#endif
+    for (;;) {
+        c = (BYTE)p[si++];
+        if (c <= ' ' || c == '/' || c == '\\') break;   /* Break on end of segment */
+        if (c == '.' || i >= ni) {
+            if (ni != 8 || c != '.') return FR_INVALID_NAME;
+            i = 8; ni = 11;
+            b <<= 2; continue;
+        }
+        if (c >= 0x80) {                /* Extended char? */
+            b |= 3;                     /* Eliminate NT flag */
+#ifdef _EXCVT
+            c = excvt[c - 0x80];        /* Upper conversion (SBCS) */
+#else
+#if !_DF1S  /* ASCII only cfg */
+            return FR_INVALID_NAME;
+#endif
+#endif
+        }
+        if (IsDBCS1(c)) {               /* Check if it is a DBC 1st byte (always false on SBCS cfg) */
+            d = (BYTE)p[si++];          /* Get 2nd byte */
+            if (!IsDBCS2(d) || i >= ni - 1) /* Reject invalid DBC */
+                return FR_INVALID_NAME;
+            sfn[i++] = c;
+            sfn[i++] = d;
+        } else {                        /* Single byte code */
+            if (chk_chr("\"*+,:;<=>\?[]|\x7F", c))  /* Reject illegal chrs for SFN */
+                return FR_INVALID_NAME;
+            if (IsUpper(c)) {           /* ASCII large capital? */
+                b |= 2;
+            } else {
+                if (IsLower(c)) {       /* ASCII small capital? */
+                    b |= 1; c -= 0x20;
+                }
+            }
+            sfn[i++] = c;
+        }
+    }
+    *path = &p[si];                     /* Return pointer to the next segment */
+    c = (c <= ' ') ? NS_LAST : 0;       /* Set last segment flag if end of path */
+
+    if (!i) return FR_INVALID_NAME;     /* Reject nul string */
+    if (sfn[0] == DDE) sfn[0] = NDDE;   /* When first char collides with DDE, replace it with 0x05 */
+
+    if (ni == 8) b <<= 2;
+    if ((b & 0x03) == 0x01) c |= NS_EXT;    /* NT flag (Name extension has only small capital) */
+    if ((b & 0x0C) == 0x04) c |= NS_BODY;   /* NT flag (Name body has only small capital) */
+
+    sfn[NS] = c;        /* Store NT flag, File name is created */
+
+    return FR_OK;
+#endif
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Get file information from directory entry                             */
+/*-----------------------------------------------------------------------*/
+#if _FS_MINIMIZE <= 1
+static
+void get_fileinfo (     /* No return code */
+    FATFS_DIR *dj,            /* Pointer to the directory object */
+    FILINFO *fno        /* Pointer to the file information to be filled */
+)
+{
+    UINT i;
+    BYTE nt, *dir;
+    TCHAR *p, c;
+
+
+    p = fno->fname;
+    if (dj->sect) {
+        dir = dj->dir;
+        nt = dir[DIR_NTres];        /* NT flag */
+        for (i = 0; i < 8; i++) {   /* Copy name body */
+            c = dir[i];
+            if (c == ' ') break;
+            if (c == NDDE) c = (TCHAR)DDE;
+            if (_USE_LFN && (nt & NS_BODY) && IsUpper(c)) c += 0x20;
+#if _LFN_UNICODE
+            if (IsDBCS1(c) && i < 7 && IsDBCS2(dir[i+1]))
+                c = (c << 8) | dir[++i];
+            c = ff_convert(c, 1);
+            if (!c) c = '?';
+#endif
+            *p++ = c;
+        }
+        if (dir[8] != ' ') {        /* Copy name extension */
+            *p++ = '.';
+            for (i = 8; i < 11; i++) {
+                c = dir[i];
+                if (c == ' ') break;
+                if (_USE_LFN && (nt & NS_EXT) && IsUpper(c)) c += 0x20;
+#if _LFN_UNICODE
+                if (IsDBCS1(c) && i < 10 && IsDBCS2(dir[i+1]))
+                    c = (c << 8) | dir[++i];
+                c = ff_convert(c, 1);
+                if (!c) c = '?';
+#endif
+                *p++ = c;
+            }
+        }
+        fno->fattrib = dir[DIR_Attr];               /* Attribute */
+        fno->fsize = LD_DWORD(dir+DIR_FileSize);    /* Size */
+        fno->fdate = LD_WORD(dir+DIR_WrtDate);      /* Date */
+        fno->ftime = LD_WORD(dir+DIR_WrtTime);      /* Time */
+    }
+    *p = 0;     /* Terminate SFN str by a \0 */
+
+#if _USE_LFN
+    if (fno->lfname && fno->lfsize) {
+        TCHAR *tp = fno->lfname;
+        WCHAR w, *lfn;
+
+        i = 0;
+        if (dj->sect && dj->lfn_idx != 0xFFFF) {/* Get LFN if available */
+            lfn = dj->lfn;
+            while ((w = *lfn++) != 0) {         /* Get an LFN char */
+#if !_LFN_UNICODE
+                w = ff_convert(w, 0);           /* Unicode -> OEM conversion */
+                if (!w) { i = 0; break; }       /* Could not convert, no LFN */
+                if (_DF1S && w >= 0x100)        /* Put 1st byte if it is a DBC (always false on SBCS cfg) */
+                    tp[i++] = (TCHAR)(w >> 8);
+#endif
+                if (i >= fno->lfsize - 1) { i = 0; break; } /* Buffer overflow, no LFN */
+                tp[i++] = (TCHAR)w;
+            }
+        }
+        tp[i] = 0;  /* Terminate the LFN str by a \0 */
+    }
+#endif
+}
+#endif /* _FS_MINIMIZE <= 1 */
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Follow a file path                                                    */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT follow_path (   /* FR_OK(0): successful, !=0: error code */
+    FATFS_DIR *dj,            /* Directory object to return last directory and found object */
+    const TCHAR *path   /* Full-path string to find a file or directory */
+)
+{
+    FRESULT res;
+    BYTE *dir, ns;
+
+
+#if _FS_RPATH
+    if (*path == '/' || *path == '\\') { /* There is a heading separator */
+        path++; dj->sclust = 0;     /* Strip it and start from the root dir */
+    } else {                            /* No heading separator */
+        dj->sclust = dj->fs->cdir;  /* Start from the current dir */
+    }
+#else
+    if (*path == '/' || *path == '\\')  /* Strip heading separator if exist */
+        path++;
+    dj->sclust = 0;                     /* Start from the root dir */
+#endif
+
+    if ((UINT)*path < ' ') {            /* Nul path means the start directory itself */
+        res = dir_sdi(dj, 0);
+        dj->dir = 0;
+    } else {                            /* Follow path */
+        for (;;) {
+            res = create_name(dj, &path);   /* Get a segment */
+            if (res != FR_OK) break;
+            res = dir_find(dj);             /* Find it */
+            ns = *(dj->fn+NS);
+            if (res != FR_OK) {             /* Failed to find the object */
+                if (res != FR_NO_FILE) break;   /* Abort if any hard error occurred */
+                /* Object not found */
+                if (_FS_RPATH && (ns & NS_DOT)) {   /* If dot entry is not exit */
+                    dj->sclust = 0; dj->dir = 0;    /* It is the root dir */
+                    res = FR_OK;
+                    if (!(ns & NS_LAST)) continue;
+                } else {                            /* Could not find the object */
+                    if (!(ns & NS_LAST)) res = FR_NO_PATH;
+                }
+                break;
+            }
+            if (ns & NS_LAST) break;            /* Last segment match. Function completed. */
+            dir = dj->dir;                      /* There is next segment. Follow the sub directory */
+            if (!(dir[DIR_Attr] & AM_DIR)) {    /* Cannot follow because it is a file */
+                res = FR_NO_PATH; break;
+            }
+            dj->sclust = ld_clust(dj->fs, dir);
+        }
+    }
+
+    return res;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Load a sector and check if it is an FAT Volume Boot Record            */
+/*-----------------------------------------------------------------------*/
+
+static
+BYTE check_fs ( /* 0:FAT-VBR, 1:Any BR but not FAT, 2:Not a BR, 3:Disk error */
+    FATFS *fs,  /* File system object */
+    DWORD sect  /* Sector# (lba) to check if it is an FAT boot record or not */
+)
+{
+    if (disk_read(fs->drv, fs->win, sect, 1) != RES_OK) /* Load boot record */
+        return 3;
+    if (LD_WORD(&fs->win[BS_55AA]) != 0xAA55)       /* Check record signature (always placed at offset 510 even if the sector size is >512) */
+        return 2;
+
+    if ((LD_DWORD(&fs->win[BS_FilSysType]) & 0xFFFFFF) == 0x544146) /* Check "FAT" string */
+        return 0;
+    if ((LD_DWORD(&fs->win[BS_FilSysType32]) & 0xFFFFFF) == 0x544146)
+        return 0;
+
+    return 1;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Check if the file system object is valid or not                       */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT chk_mounted (   /* FR_OK(0): successful, !=0: any error occurred */
+    const TCHAR **path, /* Pointer to pointer to the path name (drive number) */
+    FATFS **rfs,        /* Pointer to pointer to the found file system object */
+    BYTE wmode          /* !=0: Check write protection for write access */
+)
+{
+    BYTE fmt, b, pi, *tbl;
+    UINT vol;
+    DSTATUS stat;
+    DWORD bsect, fasize, tsect, sysect, nclst, szbfat;
+    WORD nrsv;
+    const TCHAR *p = *path;
+    FATFS *fs;
+
+
+    /* Get logical drive number from the path name */
+    vol = p[0] - '0';                   /* Is there a drive number? */
+    if (vol <= 9 && p[1] == ':') {      /* Found a drive number, get and strip it */
+        p += 2; *path = p;              /* Return pointer to the path name */
+    } else {                            /* No drive number is given */
+#if _FS_RPATH
+        vol = CurrVol;                  /* Use current drive */
+#else
+        vol = 0;                        /* Use drive 0 */
+#endif
+    }
+
+    /* Check if the file system object is valid or not */
+    *rfs = 0;
+    if (vol >= _VOLUMES)                /* Is the drive number valid? */
+        return FR_INVALID_DRIVE;
+    fs = FatFs[vol];                    /* Get corresponding file system object */
+    if (!fs) return FR_NOT_ENABLED;     /* Is the file system object available? */
+
+    ENTER_FF(fs);                       /* Lock file system */
+
+    *rfs = fs;                          /* Return pointer to the corresponding file system object */
+    if (fs->fs_type) {                  /* If the volume has been mounted */
+        stat = disk_status(fs->drv);
+        if (!(stat & STA_NOINIT)) {     /* and the physical drive is kept initialized (has not been changed), */
+            if (!_FS_READONLY && wmode && (stat & STA_PROTECT)) /* Check write protection if needed */
+                return FR_WRITE_PROTECTED;
+            return FR_OK;               /* The file system object is valid */
+        }
+    }
+
+    /* The file system object is not valid. */
+    /* Following code attempts to mount the volume. (analyze BPB and initialize the fs object) */
+
+    fs->fs_type = 0;                    /* Clear the file system object */
+    fs->drv = LD2PD(vol);               /* Bind the logical drive and a physical drive */
+    stat = disk_initialize(fs->drv);    /* Initialize the physical drive */
+    if (stat & STA_NOINIT)              /* Check if the initialization succeeded */
+        return FR_NOT_READY;            /* Failed to initialize due to no medium or hard error */
+    if (!_FS_READONLY && wmode && (stat & STA_PROTECT)) /* Check disk write protection if needed */
+        return FR_WRITE_PROTECTED;
+#if _MAX_SS != 512                      /* Get disk sector size (variable sector size cfg only) */
+    if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &fs->ssize) != RES_OK)
+        return FR_DISK_ERR;
+#endif
+    /* Search FAT partition on the drive. Supports only generic partitions, FDISK and SFD. */
+    fmt = check_fs(fs, bsect = 0);      /* Load sector 0 and check if it is an FAT-VBR (in SFD) */
+    if (LD2PT(vol) && !fmt) fmt = 1;    /* Force non-SFD if the volume is forced partition */
+    if (fmt == 1) {                     /* Not an FAT-VBR, the physical drive can be partitioned */
+        /* Check the partition listed in the partition table */
+        pi = LD2PT(vol);
+        if (pi) pi--;
+        tbl = &fs->win[MBR_Table + pi * SZ_PTE];/* Partition table */
+        if (tbl[4]) {                       /* Is the partition existing? */
+            bsect = LD_DWORD(&tbl[8]);      /* Partition offset in LBA */
+            fmt = check_fs(fs, bsect);      /* Check the partition */
+        }
+    }
+    if (fmt == 3) return FR_DISK_ERR;
+    if (fmt) return FR_NO_FILESYSTEM;       /* No FAT volume is found */
+
+    /* An FAT volume is found. Following code initializes the file system object */
+
+    if (LD_WORD(fs->win+BPB_BytsPerSec) != SS(fs))      /* (BPB_BytsPerSec must be equal to the physical sector size) */
+        return FR_NO_FILESYSTEM;
+
+    fasize = LD_WORD(fs->win+BPB_FATSz16);              /* Number of sectors per FAT */
+    if (!fasize) fasize = LD_DWORD(fs->win+BPB_FATSz32);
+    fs->fsize = fasize;
+
+    fs->n_fats = b = fs->win[BPB_NumFATs];              /* Number of FAT copies */
+    if (b != 1 && b != 2) return FR_NO_FILESYSTEM;      /* (Must be 1 or 2) */
+    fasize *= b;                                        /* Number of sectors for FAT area */
+
+    fs->csize = b = fs->win[BPB_SecPerClus];            /* Number of sectors per cluster */
+    if (!b || (b & (b - 1))) return FR_NO_FILESYSTEM;   /* (Must be power of 2) */
+
+    fs->n_rootdir = LD_WORD(fs->win+BPB_RootEntCnt);    /* Number of root directory entries */
+    if (fs->n_rootdir % (SS(fs) / SZ_DIR)) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must be sector aligned) */
+
+    tsect = LD_WORD(fs->win+BPB_TotSec16);              /* Number of sectors on the volume */
+    if (!tsect) tsect = LD_DWORD(fs->win+BPB_TotSec32);
+
+    nrsv = LD_WORD(fs->win+BPB_RsvdSecCnt);             /* Number of reserved sectors */
+    if (!nrsv) return FR_NO_FILESYSTEM;                 /* (BPB_RsvdSecCnt must not be 0) */
+
+    /* Determine the FAT sub type */
+    sysect = nrsv + fasize + fs->n_rootdir / (SS(fs) / SZ_DIR); /* RSV+FAT+DIR */
+    if (tsect < sysect) return FR_NO_FILESYSTEM;        /* (Invalid volume size) */
+    nclst = (tsect - sysect) / fs->csize;               /* Number of clusters */
+    if (!nclst) return FR_NO_FILESYSTEM;                /* (Invalid volume size) */
+    fmt = FS_FAT12;
+    if (nclst >= MIN_FAT16) fmt = FS_FAT16;
+    if (nclst >= MIN_FAT32) fmt = FS_FAT32;
+
+    /* Boundaries and Limits */
+    fs->n_fatent = nclst + 2;                           /* Number of FAT entries */
+    fs->database = bsect + sysect;                      /* Data start sector */
+    fs->fatbase = bsect + nrsv;                         /* FAT start sector */
+    if (fmt == FS_FAT32) {
+        if (fs->n_rootdir) return FR_NO_FILESYSTEM;     /* (BPB_RootEntCnt must be 0) */
+        fs->dirbase = LD_DWORD(fs->win+BPB_RootClus);   /* Root directory start cluster */
+        szbfat = fs->n_fatent * 4;                      /* (Required FAT size) */
+    } else {
+        if (!fs->n_rootdir) return FR_NO_FILESYSTEM;    /* (BPB_RootEntCnt must not be 0) */
+        fs->dirbase = fs->fatbase + fasize;             /* Root directory start sector */
+        szbfat = (fmt == FS_FAT16) ?                    /* (Required FAT size) */
+            fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1);
+    }
+    if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs))   /* (BPB_FATSz must not be less than required) */
+        return FR_NO_FILESYSTEM;
+
+#if !_FS_READONLY
+    /* Initialize cluster allocation information */
+    fs->free_clust = 0xFFFFFFFF;
+    fs->last_clust = 0;
+
+    /* Get fsinfo if available */
+    if (fmt == FS_FAT32) {
+        fs->fsi_flag = 0;
+        fs->fsi_sector = bsect + LD_WORD(fs->win+BPB_FSInfo);
+        if (disk_read(fs->drv, fs->win, fs->fsi_sector, 1) == RES_OK &&
+            LD_WORD(fs->win+BS_55AA) == 0xAA55 &&
+            LD_DWORD(fs->win+FSI_LeadSig) == 0x41615252 &&
+            LD_DWORD(fs->win+FSI_StrucSig) == 0x61417272) {
+                fs->last_clust = LD_DWORD(fs->win+FSI_Nxt_Free);
+                fs->free_clust = LD_DWORD(fs->win+FSI_Free_Count);
+        }
+    }
+#endif
+    fs->fs_type = fmt;      /* FAT sub-type */
+    fs->id = ++Fsid;        /* File system mount ID */
+    fs->winsect = 0;        /* Invalidate sector cache */
+    fs->wflag = 0;
+#if _FS_RPATH
+    fs->cdir = 0;           /* Current directory (root dir) */
+#endif
+#if _FS_LOCK                /* Clear file lock semaphores */
+    clear_lock(fs);
+#endif
+
+    return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Check if the file/dir object is valid or not                          */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT validate (  /* FR_OK(0): The object is valid, !=0: Invalid */
+    void* obj       /* Pointer to the object FIL/DIR to check validity */
+)
+{
+    FIL *fil;
+
+
+    fil = (FIL*)obj;    /* Assuming offset of fs and id in the FIL/DIR is identical */
+    if (!fil->fs || !fil->fs->fs_type || fil->fs->id != fil->id)
+        return FR_INVALID_OBJECT;
+
+    ENTER_FF(fil->fs);      /* Lock file system */
+
+    if (disk_status(fil->fs->drv) & STA_NOINIT)
+        return FR_NOT_READY;
+
+    return FR_OK;
+}
+
+
+
+
+/*--------------------------------------------------------------------------
+
+   Public Functions
+
+--------------------------------------------------------------------------*/
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Mount/Unmount a Logical Drive                                         */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_mount (
+    BYTE vol,       /* Logical drive number to be mounted/unmounted */
+    FATFS *fs       /* Pointer to new file system object (NULL for unmount)*/
+)
+{
+    FATFS *rfs;
+
+
+    if (vol >= _VOLUMES)        /* Check if the drive number is valid */
+        return FR_INVALID_DRIVE;
+    rfs = FatFs[vol];           /* Get current fs object */
+
+    if (rfs) {
+#if _FS_LOCK
+        clear_lock(rfs);
+#endif
+#if _FS_REENTRANT               /* Discard sync object of the current volume */
+        if (!ff_del_syncobj(rfs->sobj)) return FR_INT_ERR;
+#endif
+        rfs->fs_type = 0;       /* Clear old fs object */
+    }
+
+    if (fs) {
+        fs->fs_type = 0;        /* Clear new fs object */
+#if _FS_REENTRANT               /* Create sync object for the new volume */
+        if (!ff_cre_syncobj(vol, &fs->sobj)) return FR_INT_ERR;
+#endif
+    }
+    FatFs[vol] = fs;            /* Register new fs object */
+
+    return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Open or Create a File                                                 */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_open (
+    FIL *fp,            /* Pointer to the blank file object */
+    const TCHAR *path,  /* Pointer to the file name */
+    BYTE mode           /* Access mode and file open mode flags */
+)
+{
+    FRESULT res;
+    FATFS_DIR dj;
+    BYTE *dir;
+    DEF_NAMEBUF;
+
+
+    if (!fp) return FR_INVALID_OBJECT;
+    fp->fs = 0;         /* Clear file object */
+
+#if !_FS_READONLY
+    mode &= FA_READ | FA_WRITE | FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW;
+    res = chk_mounted(&path, &dj.fs, (BYTE)(mode & ~FA_READ));
+#else
+    mode &= FA_READ;
+    res = chk_mounted(&path, &dj.fs, 0);
+#endif
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        res = follow_path(&dj, path);   /* Follow the file path */
+        dir = dj.dir;
+#if !_FS_READONLY   /* R/W configuration */
+        if (res == FR_OK) {
+            if (!dir)   /* Current dir itself */
+                res = FR_INVALID_NAME;
+#if _FS_LOCK
+            else
+                res = chk_lock(&dj, (mode & ~FA_READ) ? 1 : 0);
+#endif
+        }
+        /* Create or Open a file */
+        if (mode & (FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW)) {
+            DWORD dw, cl;
+
+            if (res != FR_OK) {                 /* No file, create new */
+                if (res == FR_NO_FILE)          /* There is no file to open, create a new entry */
+#if _FS_LOCK
+                    res = enq_lock() ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES;
+#else
+                    res = dir_register(&dj);
+#endif
+                mode |= FA_CREATE_ALWAYS;       /* File is created */
+                dir = dj.dir;                   /* New entry */
+            }
+            else {                              /* Any object is already existing */
+                if (dir[DIR_Attr] & (AM_RDO | AM_DIR)) {    /* Cannot overwrite it (R/O or DIR) */
+                    res = FR_DENIED;
+                } else {
+                    if (mode & FA_CREATE_NEW)   /* Cannot create as new file */
+                        res = FR_EXIST;
+                }
+            }
+            if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) {    /* Truncate it if overwrite mode */
+                dw = get_fattime();                 /* Created time */
+                ST_DWORD(dir+DIR_CrtTime, dw);
+                dir[DIR_Attr] = 0;                  /* Reset attribute */
+                ST_DWORD(dir+DIR_FileSize, 0);      /* size = 0 */
+                cl = ld_clust(dj.fs, dir);          /* Get start cluster */
+                st_clust(dir, 0);                   /* cluster = 0 */
+                dj.fs->wflag = 1;
+                if (cl) {                           /* Remove the cluster chain if exist */
+                    dw = dj.fs->winsect;
+                    res = remove_chain(dj.fs, cl);
+                    if (res == FR_OK) {
+                        dj.fs->last_clust = cl - 1; /* Reuse the cluster hole */
+                        res = move_window(dj.fs, dw);
+                    }
+                }
+            }
+        }
+        else {  /* Open an existing file */
+            if (res == FR_OK) {                     /* Follow succeeded */
+                if (dir[DIR_Attr] & AM_DIR) {       /* It is a directory */
+                    res = FR_NO_FILE;
+                } else {
+                    if ((mode & FA_WRITE) && (dir[DIR_Attr] & AM_RDO)) /* R/O violation */
+                        res = FR_DENIED;
+                }
+            }
+        }
+        if (res == FR_OK) {
+            if (mode & FA_CREATE_ALWAYS)            /* Set file change flag if created or overwritten */
+                mode |= FA__WRITTEN;
+            fp->dir_sect = dj.fs->winsect;          /* Pointer to the directory entry */
+            fp->dir_ptr = dir;
+#if _FS_LOCK
+            fp->lockid = inc_lock(&dj, (mode & ~FA_READ) ? 1 : 0);
+            if (!fp->lockid) res = FR_INT_ERR;
+#endif
+        }
+
+#else               /* R/O configuration */
+        if (res == FR_OK) {                 /* Follow succeeded */
+            dir = dj.dir;
+            if (!dir) {                     /* Current dir itself */
+                res = FR_INVALID_NAME;
+            } else {
+                if (dir[DIR_Attr] & AM_DIR) /* It is a directory */
+                    res = FR_NO_FILE;
+            }
+        }
+#endif
+        FREE_BUF();
+
+        if (res == FR_OK) {
+            fp->flag = mode;                    /* File access mode */
+            fp->sclust = ld_clust(dj.fs, dir);  /* File start cluster */
+            fp->fsize = LD_DWORD(dir+DIR_FileSize); /* File size */
+            fp->fptr = 0;                       /* File pointer */
+            fp->dsect = 0;
+#if _USE_FASTSEEK
+            fp->cltbl = 0;                      /* Normal seek mode */
+#endif
+            fp->fs = dj.fs; fp->id = dj.fs->id; /* Validate file object */
+        }
+    }
+
+    LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read File                                                             */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_read (
+    FIL *fp,        /* Pointer to the file object */
+    void *buff,     /* Pointer to data buffer */
+    UINT btr,       /* Number of bytes to read */
+    UINT *br        /* Pointer to number of bytes read */
+)
+{
+    FRESULT res;
+    DWORD clst, sect, remain;
+    UINT rcnt, cc;
+    BYTE csect, *rbuff = (BYTE *)buff;
+
+
+    *br = 0;    /* Clear read byte counter */
+
+    res = validate(fp);                         /* Check validity */
+    if (res != FR_OK) LEAVE_FF(fp->fs, res);
+    if (fp->flag & FA__ERROR)                   /* Aborted file? */
+        LEAVE_FF(fp->fs, FR_INT_ERR);
+    if (!(fp->flag & FA_READ))                  /* Check access mode */
+        LEAVE_FF(fp->fs, FR_DENIED);
+    remain = fp->fsize - fp->fptr;
+    if (btr > remain) btr = (UINT)remain;       /* Truncate btr by remaining bytes */
+
+    for ( ;  btr;                               /* Repeat until all data read */
+        rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) {
+        if ((fp->fptr % SS(fp->fs)) == 0) {     /* On the sector boundary? */
+            csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));    /* Sector offset in the cluster */
+            if (!csect) {                       /* On the cluster boundary? */
+                if (fp->fptr == 0) {            /* On the top of the file? */
+                    clst = fp->sclust;          /* Follow from the origin */
+                } else {                        /* Middle or end of the file */
+#if _USE_FASTSEEK
+                    if (fp->cltbl)
+                        clst = clmt_clust(fp, fp->fptr);    /* Get cluster# from the CLMT */
+                    else
+#endif
+                        clst = get_fat(fp->fs, fp->clust);  /* Follow cluster chain on the FAT */
+                }
+                if (clst < 2) ABORT(fp->fs, FR_INT_ERR);
+                if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+                fp->clust = clst;               /* Update current cluster */
+            }
+            sect = clust2sect(fp->fs, fp->clust);   /* Get current sector */
+            if (!sect) ABORT(fp->fs, FR_INT_ERR);
+            sect += csect;
+            cc = btr / SS(fp->fs);              /* When remaining bytes >= sector size, */
+            if (cc) {                           /* Read maximum contiguous sectors directly */
+                if (csect + cc > fp->fs->csize) /* Clip at cluster boundary */
+                    cc = fp->fs->csize - csect;
+                if (disk_read(fp->fs->drv, rbuff, sect, (BYTE)cc) != RES_OK)
+                    ABORT(fp->fs, FR_DISK_ERR);
+#if !_FS_READONLY && _FS_MINIMIZE <= 2          /* Replace one of the read sectors with cached data if it contains a dirty sector */
+#if _FS_TINY
+                if (fp->fs->wflag && fp->fs->winsect - sect < cc)
+                    mem_cpy(rbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), fp->fs->win, SS(fp->fs));
+#else
+                if ((fp->flag & FA__DIRTY) && fp->dsect - sect < cc)
+                    mem_cpy(rbuff + ((fp->dsect - sect) * SS(fp->fs)), fp->buf, SS(fp->fs));
+#endif
+#endif
+                rcnt = SS(fp->fs) * cc;         /* Number of bytes transferred */
+                continue;
+            }
+#if !_FS_TINY
+            if (fp->dsect != sect) {            /* Load data sector if not in cache */
+#if !_FS_READONLY
+                if (fp->flag & FA__DIRTY) {     /* Write-back dirty sector cache */
+                    if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+                        ABORT(fp->fs, FR_DISK_ERR);
+                    fp->flag &= ~FA__DIRTY;
+                }
+#endif
+                if (disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK) /* Fill sector cache */
+                    ABORT(fp->fs, FR_DISK_ERR);
+            }
+#endif
+            fp->dsect = sect;
+        }
+        rcnt = SS(fp->fs) - ((UINT)fp->fptr % SS(fp->fs));  /* Get partial sector data from sector buffer */
+        if (rcnt > btr) rcnt = btr;
+#if _FS_TINY
+        if (move_window(fp->fs, fp->dsect))     /* Move sector window */
+            ABORT(fp->fs, FR_DISK_ERR);
+        mem_cpy(rbuff, &fp->fs->win[fp->fptr % SS(fp->fs)], rcnt);  /* Pick partial sector */
+#else
+        mem_cpy(rbuff, &fp->buf[fp->fptr % SS(fp->fs)], rcnt);  /* Pick partial sector */
+#endif
+    }
+
+    LEAVE_FF(fp->fs, FR_OK);
+}
+
+
+
+
+#if !_FS_READONLY
+/*-----------------------------------------------------------------------*/
+/* Write File                                                            */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_write (
+    FIL *fp,            /* Pointer to the file object */
+    const void *buff,   /* Pointer to the data to be written */
+    UINT btw,           /* Number of bytes to write */
+    UINT *bw            /* Pointer to number of bytes written */
+)
+{
+    FRESULT res;
+    DWORD clst, sect;
+    UINT wcnt, cc;
+    const BYTE *wbuff = (const BYTE *)buff;
+    BYTE csect;
+
+
+    *bw = 0;    /* Clear write byte counter */
+
+    res = validate(fp);                     /* Check validity */
+    if (res != FR_OK) LEAVE_FF(fp->fs, res);
+    if (fp->flag & FA__ERROR)               /* Aborted file? */
+        LEAVE_FF(fp->fs, FR_INT_ERR);
+    if (!(fp->flag & FA_WRITE))             /* Check access mode */
+        LEAVE_FF(fp->fs, FR_DENIED);
+    if ((DWORD)(fp->fsize + btw) < fp->fsize) btw = 0;  /* File size cannot reach 4GB */
+
+    for ( ;  btw;                           /* Repeat until all data written */
+        wbuff += wcnt, fp->fptr += wcnt, *bw += wcnt, btw -= wcnt) {
+        if ((fp->fptr % SS(fp->fs)) == 0) { /* On the sector boundary? */
+            csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));    /* Sector offset in the cluster */
+            if (!csect) {                   /* On the cluster boundary? */
+                if (fp->fptr == 0) {        /* On the top of the file? */
+                    clst = fp->sclust;      /* Follow from the origin */
+                    if (clst == 0)          /* When no cluster is allocated, */
+                        fp->sclust = clst = create_chain(fp->fs, 0);    /* Create a new cluster chain */
+                } else {                    /* Middle or end of the file */
+#if _USE_FASTSEEK
+                    if (fp->cltbl)
+                        clst = clmt_clust(fp, fp->fptr);    /* Get cluster# from the CLMT */
+                    else
+#endif
+                        clst = create_chain(fp->fs, fp->clust); /* Follow or stretch cluster chain on the FAT */
+                }
+                if (clst == 0) break;       /* Could not allocate a new cluster (disk full) */
+                if (clst == 1) ABORT(fp->fs, FR_INT_ERR);
+                if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+                fp->clust = clst;           /* Update current cluster */
+            }
+#if _FS_TINY
+            if (fp->fs->winsect == fp->dsect && move_window(fp->fs, 0)) /* Write-back sector cache */
+                ABORT(fp->fs, FR_DISK_ERR);
+#else
+            if (fp->flag & FA__DIRTY) {     /* Write-back sector cache */
+                if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+                    ABORT(fp->fs, FR_DISK_ERR);
+                fp->flag &= ~FA__DIRTY;
+            }
+#endif
+            sect = clust2sect(fp->fs, fp->clust);   /* Get current sector */
+            if (!sect) ABORT(fp->fs, FR_INT_ERR);
+            sect += csect;
+            cc = btw / SS(fp->fs);          /* When remaining bytes >= sector size, */
+            if (cc) {                       /* Write maximum contiguous sectors directly */
+                if (csect + cc > fp->fs->csize) /* Clip at cluster boundary */
+                    cc = fp->fs->csize - csect;
+                if (disk_write(fp->fs->drv, wbuff, sect, (BYTE)cc) != RES_OK)
+                    ABORT(fp->fs, FR_DISK_ERR);
+#if _FS_TINY
+                if (fp->fs->winsect - sect < cc) {  /* Refill sector cache if it gets invalidated by the direct write */
+                    mem_cpy(fp->fs->win, wbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), SS(fp->fs));
+                    fp->fs->wflag = 0;
+                }
+#else
+                if (fp->dsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */
+                    mem_cpy(fp->buf, wbuff + ((fp->dsect - sect) * SS(fp->fs)), SS(fp->fs));
+                    fp->flag &= ~FA__DIRTY;
+                }
+#endif
+                wcnt = SS(fp->fs) * cc;     /* Number of bytes transferred */
+                continue;
+            }
+#if _FS_TINY
+            if (fp->fptr >= fp->fsize) {    /* Avoid silly cache filling at growing edge */
+                if (move_window(fp->fs, 0)) ABORT(fp->fs, FR_DISK_ERR);
+                fp->fs->winsect = sect;
+            }
+#else
+            if (fp->dsect != sect) {        /* Fill sector cache with file data */
+                if (fp->fptr < fp->fsize &&
+                    disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK)
+                        ABORT(fp->fs, FR_DISK_ERR);
+            }
+#endif
+            fp->dsect = sect;
+        }
+        wcnt = SS(fp->fs) - ((UINT)fp->fptr % SS(fp->fs));/* Put partial sector into file I/O buffer */
+        if (wcnt > btw) wcnt = btw;
+#if _FS_TINY
+        if (move_window(fp->fs, fp->dsect)) /* Move sector window */
+            ABORT(fp->fs, FR_DISK_ERR);
+        mem_cpy(&fp->fs->win[fp->fptr % SS(fp->fs)], wbuff, wcnt);  /* Fit partial sector */
+        fp->fs->wflag = 1;
+#else
+        mem_cpy(&fp->buf[fp->fptr % SS(fp->fs)], wbuff, wcnt);  /* Fit partial sector */
+        fp->flag |= FA__DIRTY;
+#endif
+    }
+
+    if (fp->fptr > fp->fsize) fp->fsize = fp->fptr; /* Update file size if needed */
+    fp->flag |= FA__WRITTEN;                        /* Set file change flag */
+
+    LEAVE_FF(fp->fs, FR_OK);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Synchronize the File Object                                           */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_sync (
+    FIL *fp     /* Pointer to the file object */
+)
+{
+    FRESULT res;
+    DWORD tim;
+    BYTE *dir;
+
+
+    res = validate(fp);                 /* Check validity of the object */
+    if (res == FR_OK) {
+        if (fp->flag & FA__WRITTEN) {   /* Has the file been written? */
+#if !_FS_TINY   /* Write-back dirty buffer */
+            if (fp->flag & FA__DIRTY) {
+                if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+                    LEAVE_FF(fp->fs, FR_DISK_ERR);
+                fp->flag &= ~FA__DIRTY;
+            }
+#endif
+            /* Update the directory entry */
+            res = move_window(fp->fs, fp->dir_sect);
+            if (res == FR_OK) {
+                dir = fp->dir_ptr;
+                dir[DIR_Attr] |= AM_ARC;                    /* Set archive bit */
+                ST_DWORD(dir+DIR_FileSize, fp->fsize);      /* Update file size */
+                st_clust(dir, fp->sclust);                  /* Update start cluster */
+                tim = get_fattime();                        /* Update updated time */
+                ST_DWORD(dir+DIR_WrtTime, tim);
+                ST_WORD(dir+DIR_LstAccDate, 0);
+                fp->flag &= ~FA__WRITTEN;
+                fp->fs->wflag = 1;
+                res = sync(fp->fs);
+            }
+        }
+    }
+
+    LEAVE_FF(fp->fs, res);
+}
+
+#endif /* !_FS_READONLY */
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Close File                                                            */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_close (
+    FIL *fp     /* Pointer to the file object to be closed */
+)
+{
+    FRESULT res;
+
+
+#if _FS_READONLY
+    res = validate(fp);
+    {
+#if _FS_REENTRANT
+        FATFS *fs = fp->fs;
+#endif
+        if (res == FR_OK) fp->fs = 0;   /* Discard file object */
+        LEAVE_FF(fs, res);
+    }
+#else
+    res = f_sync(fp);       /* Flush cached data */
+#if _FS_LOCK
+    if (res == FR_OK) {     /* Decrement open counter */
+#if _FS_REENTRANT
+        FATFS *fs = fp->fs;;
+        res = validate(fp);
+        if (res == FR_OK) {
+            res = dec_lock(fp->lockid);
+            unlock_fs(fs, FR_OK);
+        }
+#else
+        res = dec_lock(fp->lockid);
+#endif
+    }
+#endif
+    if (res == FR_OK) fp->fs = 0;   /* Discard file object */
+    return res;
+#endif
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Current Drive/Directory Handlings                                     */
+/*-----------------------------------------------------------------------*/
+
+#if _FS_RPATH >= 1
+
+FRESULT f_chdrive (
+    BYTE drv        /* Drive number */
+)
+{
+    if (drv >= _VOLUMES) return FR_INVALID_DRIVE;
+
+    CurrVol = drv;
+
+    return FR_OK;
+}
+
+
+
+FRESULT f_chdir (
+    const TCHAR *path   /* Pointer to the directory path */
+)
+{
+    FRESULT res;
+    DIR dj;
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path, &dj.fs, 0);
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        res = follow_path(&dj, path);       /* Follow the path */
+        FREE_BUF();
+        if (res == FR_OK) {                 /* Follow completed */
+            if (!dj.dir) {
+                dj.fs->cdir = dj.sclust;    /* Start directory itself */
+            } else {
+                if (dj.dir[DIR_Attr] & AM_DIR)  /* Reached to the directory */
+                    dj.fs->cdir = ld_clust(dj.fs, dj.dir);
+                else
+                    res = FR_NO_PATH;       /* Reached but a file */
+            }
+        }
+        if (res == FR_NO_FILE) res = FR_NO_PATH;
+    }
+
+    LEAVE_FF(dj.fs, res);
+}
+
+
+#if _FS_RPATH >= 2
+FRESULT f_getcwd (
+    TCHAR *path,    /* Pointer to the directory path */
+    UINT sz_path    /* Size of path */
+)
+{
+    FRESULT res;
+    DIR dj;
+    UINT i, n;
+    DWORD ccl;
+    TCHAR *tp;
+    FILINFO fno;
+    DEF_NAMEBUF;
+
+
+    *path = 0;
+    res = chk_mounted((const TCHAR**)&path, &dj.fs, 0); /* Get current volume */
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        i = sz_path;        /* Bottom of buffer (dir stack base) */
+        dj.sclust = dj.fs->cdir;            /* Start to follow upper dir from current dir */
+        while ((ccl = dj.sclust) != 0) {    /* Repeat while current dir is a sub-dir */
+            res = dir_sdi(&dj, 1);          /* Get parent dir */
+            if (res != FR_OK) break;
+            res = dir_read(&dj);
+            if (res != FR_OK) break;
+            dj.sclust = ld_clust(dj.fs, dj.dir);    /* Goto parent dir */
+            res = dir_sdi(&dj, 0);
+            if (res != FR_OK) break;
+            do {                            /* Find the entry links to the child dir */
+                res = dir_read(&dj);
+                if (res != FR_OK) break;
+                if (ccl == ld_clust(dj.fs, dj.dir)) break;  /* Found the entry */
+                res = dir_next(&dj, 0);
+            } while (res == FR_OK);
+            if (res == FR_NO_FILE) res = FR_INT_ERR;/* It cannot be 'not found'. */
+            if (res != FR_OK) break;
+#if _USE_LFN
+            fno.lfname = path;
+            fno.lfsize = i;
+#endif
+            get_fileinfo(&dj, &fno);        /* Get the dir name and push it to the buffer */
+            tp = fno.fname;
+            if (_USE_LFN && *path) tp = path;
+            for (n = 0; tp[n]; n++) ;
+            if (i < n + 3) {
+                res = FR_NOT_ENOUGH_CORE; break;
+            }
+            while (n) path[--i] = tp[--n];
+            path[--i] = '/';
+        }
+        tp = path;
+        if (res == FR_OK) {
+            *tp++ = '0' + CurrVol;          /* Put drive number */
+            *tp++ = ':';
+            if (i == sz_path) {             /* Root-dir */
+                *tp++ = '/';
+            } else {                        /* Sub-dir */
+                do      /* Add stacked path str */
+                    *tp++ = path[i++];
+                while (i < sz_path);
+            }
+        }
+        *tp = 0;
+        FREE_BUF();
+    }
+
+    LEAVE_FF(dj.fs, res);
+}
+#endif /* _FS_RPATH >= 2 */
+#endif /* _FS_RPATH >= 1 */
+
+
+
+#if _FS_MINIMIZE <= 2
+/*-----------------------------------------------------------------------*/
+/* Seek File R/W Pointer                                                 */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_lseek (
+    FIL *fp,        /* Pointer to the file object */
+    DWORD ofs       /* File pointer from top of file */
+)
+{
+    FRESULT res;
+
+
+    res = validate(fp);                 /* Check validity of the object */
+    if (res != FR_OK) LEAVE_FF(fp->fs, res);
+    if (fp->flag & FA__ERROR)           /* Check abort flag */
+        LEAVE_FF(fp->fs, FR_INT_ERR);
+
+#if _USE_FASTSEEK
+    if (fp->cltbl) {    /* Fast seek */
+        DWORD cl, pcl, ncl, tcl, dsc, tlen, ulen, *tbl;
+
+        if (ofs == CREATE_LINKMAP) {    /* Create CLMT */
+            tbl = fp->cltbl;
+            tlen = *tbl++; ulen = 2;    /* Given table size and required table size */
+            cl = fp->sclust;            /* Top of the chain */
+            if (cl) {
+                do {
+                    /* Get a fragment */
+                    tcl = cl; ncl = 0; ulen += 2;   /* Top, length and used items */
+                    do {
+                        pcl = cl; ncl++;
+                        cl = get_fat(fp->fs, cl);
+                        if (cl <= 1) ABORT(fp->fs, FR_INT_ERR);
+                        if (cl == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+                    } while (cl == pcl + 1);
+                    if (ulen <= tlen) {     /* Store the length and top of the fragment */
+                        *tbl++ = ncl; *tbl++ = tcl;
+                    }
+                } while (cl < fp->fs->n_fatent);    /* Repeat until end of chain */
+            }
+            *fp->cltbl = ulen;  /* Number of items used */
+            if (ulen <= tlen)
+                *tbl = 0;       /* Terminate table */
+            else
+                res = FR_NOT_ENOUGH_CORE;   /* Given table size is smaller than required */
+
+        } else {                        /* Fast seek */
+            if (ofs > fp->fsize)        /* Clip offset at the file size */
+                ofs = fp->fsize;
+            fp->fptr = ofs;             /* Set file pointer */
+            if (ofs) {
+                fp->clust = clmt_clust(fp, ofs - 1);
+                dsc = clust2sect(fp->fs, fp->clust);
+                if (!dsc) ABORT(fp->fs, FR_INT_ERR);
+                dsc += (ofs - 1) / SS(fp->fs) & (fp->fs->csize - 1);
+                if (fp->fptr % SS(fp->fs) && dsc != fp->dsect) {    /* Refill sector cache if needed */
+#if !_FS_TINY
+#if !_FS_READONLY
+                    if (fp->flag & FA__DIRTY) {     /* Write-back dirty sector cache */
+                        if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+                            ABORT(fp->fs, FR_DISK_ERR);
+                        fp->flag &= ~FA__DIRTY;
+                    }
+#endif
+                    if (disk_read(fp->fs->drv, fp->buf, dsc, 1) != RES_OK)  /* Load current sector */
+                        ABORT(fp->fs, FR_DISK_ERR);
+#endif
+                    fp->dsect = dsc;
+                }
+            }
+        }
+    } else
+#endif
+
+    /* Normal Seek */
+    {
+        DWORD clst, bcs, nsect, ifptr;
+
+        if (ofs > fp->fsize                 /* In read-only mode, clip offset with the file size */
+#if !_FS_READONLY
+             && !(fp->flag & FA_WRITE)
+#endif
+            ) ofs = fp->fsize;
+
+        ifptr = fp->fptr;
+        fp->fptr = nsect = 0;
+        if (ofs) {
+            bcs = (DWORD)fp->fs->csize * SS(fp->fs);    /* Cluster size (byte) */
+            if (ifptr > 0 &&
+                (ofs - 1) / bcs >= (ifptr - 1) / bcs) { /* When seek to same or following cluster, */
+                fp->fptr = (ifptr - 1) & ~(bcs - 1);    /* start from the current cluster */
+                ofs -= fp->fptr;
+                clst = fp->clust;
+            } else {                                    /* When seek to back cluster, */
+                clst = fp->sclust;                      /* start from the first cluster */
+#if !_FS_READONLY
+                if (clst == 0) {                        /* If no cluster chain, create a new chain */
+                    clst = create_chain(fp->fs, 0);
+                    if (clst == 1) ABORT(fp->fs, FR_INT_ERR);
+                    if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+                    fp->sclust = clst;
+                }
+#endif
+                fp->clust = clst;
+            }
+            if (clst != 0) {
+                while (ofs > bcs) {                     /* Cluster following loop */
+#if !_FS_READONLY
+                    if (fp->flag & FA_WRITE) {          /* Check if in write mode or not */
+                        clst = create_chain(fp->fs, clst);  /* Force stretch if in write mode */
+                        if (clst == 0) {                /* When disk gets full, clip file size */
+                            ofs = bcs; break;
+                        }
+                    } else
+#endif
+                        clst = get_fat(fp->fs, clst);   /* Follow cluster chain if not in write mode */
+                    if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+                    if (clst <= 1 || clst >= fp->fs->n_fatent) ABORT(fp->fs, FR_INT_ERR);
+                    fp->clust = clst;
+                    fp->fptr += bcs;
+                    ofs -= bcs;
+                }
+                fp->fptr += ofs;
+                if (ofs % SS(fp->fs)) {
+                    nsect = clust2sect(fp->fs, clst);   /* Current sector */
+                    if (!nsect) ABORT(fp->fs, FR_INT_ERR);
+                    nsect += ofs / SS(fp->fs);
+                }
+            }
+        }
+        if (fp->fptr % SS(fp->fs) && nsect != fp->dsect) {  /* Fill sector cache if needed */
+#if !_FS_TINY
+#if !_FS_READONLY
+            if (fp->flag & FA__DIRTY) {         /* Write-back dirty sector cache */
+                if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+                    ABORT(fp->fs, FR_DISK_ERR);
+                fp->flag &= ~FA__DIRTY;
+            }
+#endif
+            if (disk_read(fp->fs->drv, fp->buf, nsect, 1) != RES_OK)    /* Fill sector cache */
+                ABORT(fp->fs, FR_DISK_ERR);
+#endif
+            fp->dsect = nsect;
+        }
+#if !_FS_READONLY
+        if (fp->fptr > fp->fsize) {         /* Set file change flag if the file size is extended */
+            fp->fsize = fp->fptr;
+            fp->flag |= FA__WRITTEN;
+        }
+#endif
+    }
+
+    LEAVE_FF(fp->fs, res);
+}
+
+
+
+#if _FS_MINIMIZE <= 1
+/*-----------------------------------------------------------------------*/
+/* Create a Directory Object                                             */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_opendir (
+    FATFS_DIR *dj,            /* Pointer to directory object to create */
+    const TCHAR *path   /* Pointer to the directory path */
+)
+{
+    FRESULT res;
+    FATFS *fs;
+    DEF_NAMEBUF;
+
+
+    if (!dj) return FR_INVALID_OBJECT;
+
+    res = chk_mounted(&path, &dj->fs, 0);
+    fs = dj->fs;
+    if (res == FR_OK) {
+        INIT_BUF(*dj);
+        res = follow_path(dj, path);            /* Follow the path to the directory */
+        FREE_BUF();
+        if (res == FR_OK) {                     /* Follow completed */
+            if (dj->dir) {                      /* It is not the root dir */
+                if (dj->dir[DIR_Attr] & AM_DIR) {   /* The object is a directory */
+                    dj->sclust = ld_clust(fs, dj->dir);
+                } else {                        /* The object is not a directory */
+                    res = FR_NO_PATH;
+                }
+            }
+            if (res == FR_OK) {
+                dj->id = fs->id;
+                res = dir_sdi(dj, 0);           /* Rewind dir */
+            }
+        }
+        if (res == FR_NO_FILE) res = FR_NO_PATH;
+        if (res != FR_OK) dj->fs = 0;           /* Invalidate the dir object if function faild */
+    } else {
+        dj->fs = 0;
+    }
+
+    LEAVE_FF(fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read Directory Entry in Sequence                                      */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_readdir (
+    FATFS_DIR *dj,            /* Pointer to the open directory object */
+    FILINFO *fno        /* Pointer to file information to return */
+)
+{
+    FRESULT res;
+    DEF_NAMEBUF;
+
+
+    res = validate(dj);                     /* Check validity of the object */
+    if (res == FR_OK) {
+        if (!fno) {
+            res = dir_sdi(dj, 0);           /* Rewind the directory object */
+        } else {
+            INIT_BUF(*dj);
+            res = dir_read(dj);             /* Read an directory item */
+            if (res == FR_NO_FILE) {        /* Reached end of dir */
+                dj->sect = 0;
+                res = FR_OK;
+            }
+            if (res == FR_OK) {             /* A valid entry is found */
+                get_fileinfo(dj, fno);      /* Get the object information */
+                res = dir_next(dj, 0);      /* Increment index for next */
+                if (res == FR_NO_FILE) {
+                    dj->sect = 0;
+                    res = FR_OK;
+                }
+            }
+            FREE_BUF();
+        }
+    }
+
+    LEAVE_FF(dj->fs, res);
+}
+
+
+
+#if _FS_MINIMIZE == 0
+/*-----------------------------------------------------------------------*/
+/* Get File Status                                                       */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_stat (
+    const TCHAR *path,  /* Pointer to the file path */
+    FILINFO *fno        /* Pointer to file information to return */
+)
+{
+    FRESULT res;
+    FATFS_DIR dj;
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path, &dj.fs, 0);
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        res = follow_path(&dj, path);   /* Follow the file path */
+        if (res == FR_OK) {             /* Follow completed */
+            if (dj.dir)     /* Found an object */
+                get_fileinfo(&dj, fno);
+            else            /* It is root dir */
+                res = FR_INVALID_NAME;
+        }
+        FREE_BUF();
+    }
+
+    LEAVE_FF(dj.fs, res);
+}
+
+
+
+#if !_FS_READONLY
+/*-----------------------------------------------------------------------*/
+/* Get Number of Free Clusters                                           */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_getfree (
+    const TCHAR *path,  /* Pointer to the logical drive number (root dir) */
+    DWORD *nclst,       /* Pointer to the variable to return number of free clusters */
+    FATFS **fatfs       /* Pointer to pointer to corresponding file system object to return */
+)
+{
+    FRESULT res;
+    FATFS *fs;
+    DWORD n, clst, sect, stat;
+    UINT i;
+    BYTE fat, *p;
+
+
+    /* Get drive number */
+    res = chk_mounted(&path, fatfs, 0);
+    fs = *fatfs;
+    if (res == FR_OK) {
+        /* If free_clust is valid, return it without full cluster scan */
+        if (fs->free_clust <= fs->n_fatent - 2) {
+            *nclst = fs->free_clust;
+        } else {
+            /* Get number of free clusters */
+            fat = fs->fs_type;
+            n = 0;
+            if (fat == FS_FAT12) {
+                clst = 2;
+                do {
+                    stat = get_fat(fs, clst);
+                    if (stat == 0xFFFFFFFF) { res = FR_DISK_ERR; break; }
+                    if (stat == 1) { res = FR_INT_ERR; break; }
+                    if (stat == 0) n++;
+                } while (++clst < fs->n_fatent);
+            } else {
+                clst = fs->n_fatent;
+                sect = fs->fatbase;
+                i = 0; p = 0;
+                do {
+                    if (!i) {
+                        res = move_window(fs, sect++);
+                        if (res != FR_OK) break;
+                        p = fs->win;
+                        i = SS(fs);
+                    }
+                    if (fat == FS_FAT16) {
+                        if (LD_WORD(p) == 0) n++;
+                        p += 2; i -= 2;
+                    } else {
+                        if ((LD_DWORD(p) & 0x0FFFFFFF) == 0) n++;
+                        p += 4; i -= 4;
+                    }
+                } while (--clst);
+            }
+            fs->free_clust = n;
+            if (fat == FS_FAT32) fs->fsi_flag = 1;
+            *nclst = n;
+        }
+    }
+    LEAVE_FF(fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Truncate File                                                         */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_truncate (
+    FIL *fp     /* Pointer to the file object */
+)
+{
+    FRESULT res;
+    DWORD ncl;
+
+
+    if (!fp) return FR_INVALID_OBJECT;
+
+    res = validate(fp);                     /* Check validity of the object */
+    if (res == FR_OK) {
+        if (fp->flag & FA__ERROR) {         /* Check abort flag */
+            res = FR_INT_ERR;
+        } else {
+            if (!(fp->flag & FA_WRITE))     /* Check access mode */
+                res = FR_DENIED;
+        }
+    }
+    if (res == FR_OK) {
+        if (fp->fsize > fp->fptr) {
+            fp->fsize = fp->fptr;   /* Set file size to current R/W point */
+            fp->flag |= FA__WRITTEN;
+            if (fp->fptr == 0) {    /* When set file size to zero, remove entire cluster chain */
+                res = remove_chain(fp->fs, fp->sclust);
+                fp->sclust = 0;
+            } else {                /* When truncate a part of the file, remove remaining clusters */
+                ncl = get_fat(fp->fs, fp->clust);
+                res = FR_OK;
+                if (ncl == 0xFFFFFFFF) res = FR_DISK_ERR;
+                if (ncl == 1) res = FR_INT_ERR;
+                if (res == FR_OK && ncl < fp->fs->n_fatent) {
+                    res = put_fat(fp->fs, fp->clust, 0x0FFFFFFF);
+                    if (res == FR_OK) res = remove_chain(fp->fs, ncl);
+                }
+            }
+        }
+        if (res != FR_OK) fp->flag |= FA__ERROR;
+    }
+
+    LEAVE_FF(fp->fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Delete a File or Directory                                            */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_unlink (
+    const TCHAR *path       /* Pointer to the file or directory path */
+)
+{
+    FRESULT res;
+    FATFS_DIR dj, sdj;
+    BYTE *dir;
+    DWORD dclst;
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path, &dj.fs, 1);
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        res = follow_path(&dj, path);       /* Follow the file path */
+        if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
+            res = FR_INVALID_NAME;          /* Cannot remove dot entry */
+#if _FS_LOCK
+        if (res == FR_OK) res = chk_lock(&dj, 2);   /* Cannot remove open file */
+#endif
+        if (res == FR_OK) {                 /* The object is accessible */
+            dir = dj.dir;
+            if (!dir) {
+                res = FR_INVALID_NAME;      /* Cannot remove the start directory */
+            } else {
+                if (dir[DIR_Attr] & AM_RDO)
+                    res = FR_DENIED;        /* Cannot remove R/O object */
+            }
+            dclst = ld_clust(dj.fs, dir);
+            if (res == FR_OK && (dir[DIR_Attr] & AM_DIR)) { /* Is it a sub-dir? */
+                if (dclst < 2) {
+                    res = FR_INT_ERR;
+                } else {
+                    mem_cpy(&sdj, &dj, sizeof (FATFS_DIR));   /* Check if the sub-dir is empty or not */
+                    sdj.sclust = dclst;
+                    res = dir_sdi(&sdj, 2);     /* Exclude dot entries */
+                    if (res == FR_OK) {
+                        res = dir_read(&sdj);
+                        if (res == FR_OK        /* Not empty dir */
+#if _FS_RPATH
+                        || dclst == dj.fs->cdir /* Current dir */
+#endif
+                        ) res = FR_DENIED;
+                        if (res == FR_NO_FILE) res = FR_OK; /* Empty */
+                    }
+                }
+            }
+            if (res == FR_OK) {
+                res = dir_remove(&dj);      /* Remove the directory entry */
+                if (res == FR_OK) {
+                    if (dclst)              /* Remove the cluster chain if exist */
+                        res = remove_chain(dj.fs, dclst);
+                    if (res == FR_OK) res = sync(dj.fs);
+                }
+            }
+        }
+        FREE_BUF();
+    }
+    LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Create a Directory                                                    */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_mkdir (
+    const TCHAR *path       /* Pointer to the directory path */
+)
+{
+    FRESULT res;
+    FATFS_DIR dj;
+    BYTE *dir, n;
+    DWORD dsc, dcl, pcl, tim = get_fattime();
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path, &dj.fs, 1);
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        res = follow_path(&dj, path);           /* Follow the file path */
+        if (res == FR_OK) res = FR_EXIST;       /* Any object with same name is already existing */
+        if (_FS_RPATH && res == FR_NO_FILE && (dj.fn[NS] & NS_DOT))
+            res = FR_INVALID_NAME;
+        if (res == FR_NO_FILE) {                /* Can create a new directory */
+            dcl = create_chain(dj.fs, 0);       /* Allocate a cluster for the new directory table */
+            res = FR_OK;
+            if (dcl == 0) res = FR_DENIED;      /* No space to allocate a new cluster */
+            if (dcl == 1) res = FR_INT_ERR;
+            if (dcl == 0xFFFFFFFF) res = FR_DISK_ERR;
+            if (res == FR_OK)                   /* Flush FAT */
+                res = move_window(dj.fs, 0);
+            if (res == FR_OK) {                 /* Initialize the new directory table */
+                dsc = clust2sect(dj.fs, dcl);
+                dir = dj.fs->win;
+                mem_set(dir, 0, SS(dj.fs));
+                mem_set(dir+DIR_Name, ' ', 8+3);    /* Create "." entry */
+                dir[DIR_Name] = '.';
+                dir[DIR_Attr] = AM_DIR;
+                ST_DWORD(dir+DIR_WrtTime, tim);
+                st_clust(dir, dcl);
+                mem_cpy(dir+SZ_DIR, dir, SZ_DIR);   /* Create ".." entry */
+                dir[33] = '.'; pcl = dj.sclust;
+                if (dj.fs->fs_type == FS_FAT32 && pcl == dj.fs->dirbase)
+                    pcl = 0;
+                st_clust(dir+SZ_DIR, pcl);
+                for (n = dj.fs->csize; n; n--) {    /* Write dot entries and clear following sectors */
+                    dj.fs->winsect = dsc++;
+                    dj.fs->wflag = 1;
+                    res = move_window(dj.fs, 0);
+                    if (res != FR_OK) break;
+                    mem_set(dir, 0, SS(dj.fs));
+                }
+            }
+            if (res == FR_OK) res = dir_register(&dj);  /* Register the object to the directoy */
+            if (res != FR_OK) {
+                remove_chain(dj.fs, dcl);           /* Could not register, remove cluster chain */
+            } else {
+                dir = dj.dir;
+                dir[DIR_Attr] = AM_DIR;             /* Attribute */
+                ST_DWORD(dir+DIR_WrtTime, tim);     /* Created time */
+                st_clust(dir, dcl);                 /* Table start cluster */
+                dj.fs->wflag = 1;
+                res = sync(dj.fs);
+            }
+        }
+        FREE_BUF();
+    }
+
+    LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Change Attribute                                                      */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_chmod (
+    const TCHAR *path,  /* Pointer to the file path */
+    BYTE value,         /* Attribute bits */
+    BYTE mask           /* Attribute mask to change */
+)
+{
+    FRESULT res;
+    FATFS_DIR dj;
+    BYTE *dir;
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path, &dj.fs, 1);
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        res = follow_path(&dj, path);       /* Follow the file path */
+        FREE_BUF();
+        if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
+            res = FR_INVALID_NAME;
+        if (res == FR_OK) {
+            dir = dj.dir;
+            if (!dir) {                     /* Is it a root directory? */
+                res = FR_INVALID_NAME;
+            } else {                        /* File or sub directory */
+                mask &= AM_RDO|AM_HID|AM_SYS|AM_ARC;    /* Valid attribute mask */
+                dir[DIR_Attr] = (value & mask) | (dir[DIR_Attr] & (BYTE)~mask); /* Apply attribute change */
+                dj.fs->wflag = 1;
+                res = sync(dj.fs);
+            }
+        }
+    }
+
+    LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Change Timestamp                                                      */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_utime (
+    const TCHAR *path,  /* Pointer to the file/directory name */
+    const FILINFO *fno  /* Pointer to the time stamp to be set */
+)
+{
+    FRESULT res;
+    FATFS_DIR dj;
+    BYTE *dir;
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path, &dj.fs, 1);
+    if (res == FR_OK) {
+        INIT_BUF(dj);
+        res = follow_path(&dj, path);   /* Follow the file path */
+        FREE_BUF();
+        if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
+            res = FR_INVALID_NAME;
+        if (res == FR_OK) {
+            dir = dj.dir;
+            if (!dir) {                 /* Root directory */
+                res = FR_INVALID_NAME;
+            } else {                    /* File or sub-directory */
+                ST_WORD(dir+DIR_WrtTime, fno->ftime);
+                ST_WORD(dir+DIR_WrtDate, fno->fdate);
+                dj.fs->wflag = 1;
+                res = sync(dj.fs);
+            }
+        }
+    }
+
+    LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Rename File/Directory                                                 */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_rename (
+    const TCHAR *path_old,  /* Pointer to the old name */
+    const TCHAR *path_new   /* Pointer to the new name */
+)
+{
+    FRESULT res;
+    FATFS_DIR djo, djn;
+    BYTE buf[21], *dir;
+    DWORD dw;
+    DEF_NAMEBUF;
+
+
+    res = chk_mounted(&path_old, &djo.fs, 1);
+    if (res == FR_OK) {
+        djn.fs = djo.fs;
+        INIT_BUF(djo);
+        res = follow_path(&djo, path_old);      /* Check old object */
+        if (_FS_RPATH && res == FR_OK && (djo.fn[NS] & NS_DOT))
+            res = FR_INVALID_NAME;
+#if _FS_LOCK
+        if (res == FR_OK) res = chk_lock(&djo, 2);
+#endif
+        if (res == FR_OK) {                     /* Old object is found */
+            if (!djo.dir) {                     /* Is root dir? */
+                res = FR_NO_FILE;
+            } else {
+                mem_cpy(buf, djo.dir+DIR_Attr, 21);     /* Save the object information except for name */
+                mem_cpy(&djn, &djo, sizeof (FATFS_DIR));      /* Check new object */
+                res = follow_path(&djn, path_new);
+                if (res == FR_OK) res = FR_EXIST;       /* The new object name is already existing */
+                if (res == FR_NO_FILE) {                /* Is it a valid path and no name collision? */
+/* Start critical section that an interruption or error can cause cross-link */
+                    res = dir_register(&djn);           /* Register the new entry */
+                    if (res == FR_OK) {
+                        dir = djn.dir;                  /* Copy object information except for name */
+                        mem_cpy(dir+13, buf+2, 19);
+                        dir[DIR_Attr] = buf[0] | AM_ARC;
+                        djo.fs->wflag = 1;
+                        if (djo.sclust != djn.sclust && (dir[DIR_Attr] & AM_DIR)) {     /* Update .. entry in the directory if needed */
+                            dw = clust2sect(djo.fs, ld_clust(djo.fs, dir));
+                            if (!dw) {
+                                res = FR_INT_ERR;
+                            } else {
+                                res = move_window(djo.fs, dw);
+                                dir = djo.fs->win+SZ_DIR;   /* .. entry */
+                                if (res == FR_OK && dir[1] == '.') {
+                                    dw = (djo.fs->fs_type == FS_FAT32 && djn.sclust == djo.fs->dirbase) ? 0 : djn.sclust;
+                                    st_clust(dir, dw);
+                                    djo.fs->wflag = 1;
+                                }
+                            }
+                        }
+                        if (res == FR_OK) {
+                            res = dir_remove(&djo);     /* Remove old entry */
+                            if (res == FR_OK)
+                                res = sync(djo.fs);
+                        }
+                    }
+/* End critical section */
+                }
+            }
+        }
+        FREE_BUF();
+    }
+    LEAVE_FF(djo.fs, res);
+}
+
+#endif /* !_FS_READONLY */
+#endif /* _FS_MINIMIZE == 0 */
+#endif /* _FS_MINIMIZE <= 1 */
+#endif /* _FS_MINIMIZE <= 2 */
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Forward data to the stream directly (available on only tiny cfg)      */
+/*-----------------------------------------------------------------------*/
+#if _USE_FORWARD && _FS_TINY
+
+FRESULT f_forward (
+    FIL *fp,                        /* Pointer to the file object */
+    UINT (*func)(const BYTE*,UINT), /* Pointer to the streaming function */
+    UINT btr,                       /* Number of bytes to forward */
+    UINT *bf                        /* Pointer to number of bytes forwarded */
+)
+{
+    FRESULT res;
+    DWORD remain, clst, sect;
+    UINT rcnt;
+    BYTE csect;
+
+
+    *bf = 0;    /* Clear transfer byte counter */
+
+    if (!fp) return FR_INVALID_OBJECT;
+
+    res = validate(fp);                             /* Check validity of the object */
+    if (res != FR_OK) LEAVE_FF(fp->fs, res);
+    if (fp->flag & FA__ERROR)                       /* Check error flag */
+        LEAVE_FF(fp->fs, FR_INT_ERR);
+    if (!(fp->flag & FA_READ))                      /* Check access mode */
+        LEAVE_FF(fp->fs, FR_DENIED);
+
+    remain = fp->fsize - fp->fptr;
+    if (btr > remain) btr = (UINT)remain;           /* Truncate btr by remaining bytes */
+
+    for ( ;  btr && (*func)(0, 0);                  /* Repeat until all data transferred or stream becomes busy */
+        fp->fptr += rcnt, *bf += rcnt, btr -= rcnt) {
+        csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));    /* Sector offset in the cluster */
+        if ((fp->fptr % SS(fp->fs)) == 0) {         /* On the sector boundary? */
+            if (!csect) {                           /* On the cluster boundary? */
+                clst = (fp->fptr == 0) ?            /* On the top of the file? */
+                    fp->sclust : get_fat(fp->fs, fp->clust);
+                if (clst <= 1) ABORT(fp->fs, FR_INT_ERR);
+                if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+                fp->clust = clst;                   /* Update current cluster */
+            }
+        }
+        sect = clust2sect(fp->fs, fp->clust);       /* Get current data sector */
+        if (!sect) ABORT(fp->fs, FR_INT_ERR);
+        sect += csect;
+        if (move_window(fp->fs, sect))              /* Move sector window */
+            ABORT(fp->fs, FR_DISK_ERR);
+        fp->dsect = sect;
+        rcnt = SS(fp->fs) - (WORD)(fp->fptr % SS(fp->fs));  /* Forward data from sector window */
+        if (rcnt > btr) rcnt = btr;
+        rcnt = (*func)(&fp->fs->win[(WORD)fp->fptr % SS(fp->fs)], rcnt);
+        if (!rcnt) ABORT(fp->fs, FR_INT_ERR);
+    }
+
+    LEAVE_FF(fp->fs, FR_OK);
+}
+#endif /* _USE_FORWARD */
+
+
+
+#if _USE_MKFS && !_FS_READONLY
+/*-----------------------------------------------------------------------*/
+/* Create File System on the Drive                                       */
+/*-----------------------------------------------------------------------*/
+#define N_ROOTDIR   512     /* Number of root dir entries for FAT12/16 */
+#define N_FATS      1       /* Number of FAT copies (1 or 2) */
+
+
+FRESULT f_mkfs (
+    BYTE drv,       /* Logical drive number */
+    BYTE sfd,       /* Partitioning rule 0:FDISK, 1:SFD */
+    UINT au         /* Allocation unit size [bytes] */
+)
+{
+    static const WORD vst[] = { 1024,   512,  256,  128,   64,    32,   16,    8,    4,    2,   0};
+    static const WORD cst[] = {32768, 16384, 8192, 4096, 2048, 16384, 8192, 4096, 2048, 1024, 512};
+    BYTE fmt, md, sys, *tbl, pdrv, part;
+    DWORD n_clst, vs, n, wsect;
+    UINT i;
+    DWORD b_vol, b_fat, b_dir, b_data;  /* LBA */
+    DWORD n_vol, n_rsv, n_fat, n_dir;   /* Size */
+    FATFS *fs;
+    DSTATUS stat;
+
+
+    /* Check mounted drive and clear work area */
+    if (drv >= _VOLUMES) return FR_INVALID_DRIVE;
+    if (sfd > 1) return FR_INVALID_PARAMETER;
+    if (au & (au - 1)) return FR_INVALID_PARAMETER;
+    fs = FatFs[drv];
+    if (!fs) return FR_NOT_ENABLED;
+    fs->fs_type = 0;
+    pdrv = LD2PD(drv);  /* Physical drive */
+    part = LD2PT(drv);  /* Partition (0:auto detect, 1-4:get from partition table)*/
+
+    /* Get disk statics */
+    stat = disk_initialize(pdrv);
+    if (stat & STA_NOINIT) return FR_NOT_READY;
+    if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
+#if _MAX_SS != 512                  /* Get disk sector size */
+    if (disk_ioctl(pdrv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK || SS(fs) > _MAX_SS)
+        return FR_DISK_ERR;
+#endif
+    if (_MULTI_PARTITION && part) {
+        /* Get partition information from partition table in the MBR */
+        if (disk_read(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR;
+        if (LD_WORD(fs->win+BS_55AA) != 0xAA55) return FR_MKFS_ABORTED;
+        tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE];
+        if (!tbl[4]) return FR_MKFS_ABORTED;    /* No partition? */
+        b_vol = LD_DWORD(tbl+8);    /* Volume start sector */
+        n_vol = LD_DWORD(tbl+12);   /* Volume size */
+    } else {
+        /* Create a partition in this function */
+        if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &n_vol) != RES_OK || n_vol < 128)
+            return FR_DISK_ERR;
+        b_vol = (sfd) ? 0 : 63;     /* Volume start sector */
+        n_vol -= b_vol;             /* Volume size */
+    }
+
+    if (!au) {              /* AU auto selection */
+        vs = n_vol / (2000 / (SS(fs) / 512));
+        for (i = 0; vs < vst[i]; i++) ;
+        au = cst[i];
+    }
+    au /= SS(fs);       /* Number of sectors per cluster */
+    if (au == 0) au = 1;
+    if (au > 128) au = 128;
+
+    /* Pre-compute number of clusters and FAT sub-type */
+    n_clst = n_vol / au;
+    fmt = FS_FAT12;
+    if (n_clst >= MIN_FAT16) fmt = FS_FAT16;
+    if (n_clst >= MIN_FAT32) fmt = FS_FAT32;
+
+    /* Determine offset and size of FAT structure */
+    if (fmt == FS_FAT32) {
+        n_fat = ((n_clst * 4) + 8 + SS(fs) - 1) / SS(fs);
+        n_rsv = 32;
+        n_dir = 0;
+    } else {
+        n_fat = (fmt == FS_FAT12) ? (n_clst * 3 + 1) / 2 + 3 : (n_clst * 2) + 4;
+        n_fat = (n_fat + SS(fs) - 1) / SS(fs);
+        n_rsv = 1;
+        n_dir = (DWORD)N_ROOTDIR * SZ_DIR / SS(fs);
+    }
+    b_fat = b_vol + n_rsv;              /* FAT area start sector */
+    b_dir = b_fat + n_fat * N_FATS;     /* Directory area start sector */
+    b_data = b_dir + n_dir;             /* Data area start sector */
+    if (n_vol < b_data + au - b_vol) return FR_MKFS_ABORTED;    /* Too small volume */
+
+    /* Align data start sector to erase block boundary (for flash memory media) */
+    if (disk_ioctl(pdrv, GET_BLOCK_SIZE, &n) != RES_OK || !n || n > 32768) n = 1;
+    n = (b_data + n - 1) & ~(n - 1);    /* Next nearest erase block from current data start */
+    n = (n - b_data) / N_FATS;
+    if (fmt == FS_FAT32) {      /* FAT32: Move FAT offset */
+        n_rsv += n;
+        b_fat += n;
+    } else {                    /* FAT12/16: Expand FAT size */
+        n_fat += n;
+    }
+
+    /* Determine number of clusters and final check of validity of the FAT sub-type */
+    n_clst = (n_vol - n_rsv - n_fat * N_FATS - n_dir) / au;
+    if (   (fmt == FS_FAT16 && n_clst < MIN_FAT16)
+        || (fmt == FS_FAT32 && n_clst < MIN_FAT32))
+        return FR_MKFS_ABORTED;
+
+    switch (fmt) {  /* Determine system ID for partition table */
+    case FS_FAT12:  sys = 0x01; break;
+    case FS_FAT16:  sys = (n_vol < 0x10000) ? 0x04 : 0x06; break;
+    default:        sys = 0x0C;
+    }
+
+    if (_MULTI_PARTITION && part) {
+        /* Update system ID in the partition table */
+        tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE];
+        tbl[4] = sys;
+        if (disk_write(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR;
+        md = 0xF8;
+    } else {
+        if (sfd) {  /* No partition table (SFD) */
+            md = 0xF0;
+        } else {    /* Create partition table (FDISK) */
+            mem_set(fs->win, 0, SS(fs));
+            tbl = fs->win+MBR_Table;    /* Create partition table for single partition in the drive */
+            tbl[1] = 1;                     /* Partition start head */
+            tbl[2] = 1;                     /* Partition start sector */
+            tbl[3] = 0;                     /* Partition start cylinder */
+            tbl[4] = sys;                   /* System type */
+            tbl[5] = 254;                   /* Partition end head */
+            n = (b_vol + n_vol) / 63 / 255;
+            tbl[6] = (BYTE)((n >> 2) | 63); /* Partition end sector */
+            tbl[7] = (BYTE)n;               /* End cylinder */
+            ST_DWORD(tbl+8, 63);            /* Partition start in LBA */
+            ST_DWORD(tbl+12, n_vol);        /* Partition size in LBA */
+            ST_WORD(fs->win+BS_55AA, 0xAA55);   /* MBR signature */
+            if (disk_write(pdrv, fs->win, 0, 1) != RES_OK)  /* Write it to the MBR sector */
+                return FR_DISK_ERR;
+            md = 0xF8;
+        }
+    }
+
+    /* Create BPB in the VBR */
+    tbl = fs->win;                          /* Clear sector */
+    mem_set(tbl, 0, SS(fs));
+    mem_cpy(tbl, "\xEB\xFE\x90" "MSDOS5.0", 11);/* Boot jump code, OEM name */
+    i = SS(fs);                             /* Sector size */
+    ST_WORD(tbl+BPB_BytsPerSec, i);
+    tbl[BPB_SecPerClus] = (BYTE)au;         /* Sectors per cluster */
+    ST_WORD(tbl+BPB_RsvdSecCnt, n_rsv);     /* Reserved sectors */
+    tbl[BPB_NumFATs] = N_FATS;              /* Number of FATs */
+    i = (fmt == FS_FAT32) ? 0 : N_ROOTDIR;  /* Number of rootdir entries */
+    ST_WORD(tbl+BPB_RootEntCnt, i);
+    if (n_vol < 0x10000) {                  /* Number of total sectors */
+        ST_WORD(tbl+BPB_TotSec16, n_vol);
+    } else {
+        ST_DWORD(tbl+BPB_TotSec32, n_vol);
+    }
+    tbl[BPB_Media] = md;                    /* Media descriptor */
+    ST_WORD(tbl+BPB_SecPerTrk, 63);         /* Number of sectors per track */
+    ST_WORD(tbl+BPB_NumHeads, 255);         /* Number of heads */
+    ST_DWORD(tbl+BPB_HiddSec, b_vol);       /* Hidden sectors */
+    n = get_fattime();                      /* Use current time as VSN */
+    if (fmt == FS_FAT32) {
+        ST_DWORD(tbl+BS_VolID32, n);        /* VSN */
+        ST_DWORD(tbl+BPB_FATSz32, n_fat);   /* Number of sectors per FAT */
+        ST_DWORD(tbl+BPB_RootClus, 2);      /* Root directory start cluster (2) */
+        ST_WORD(tbl+BPB_FSInfo, 1);         /* FSInfo record offset (VBR+1) */
+        ST_WORD(tbl+BPB_BkBootSec, 6);      /* Backup boot record offset (VBR+6) */
+        tbl[BS_DrvNum32] = 0x80;            /* Drive number */
+        tbl[BS_BootSig32] = 0x29;           /* Extended boot signature */
+        mem_cpy(tbl+BS_VolLab32, "NO NAME    " "FAT32   ", 19); /* Volume label, FAT signature */
+    } else {
+        ST_DWORD(tbl+BS_VolID, n);          /* VSN */
+        ST_WORD(tbl+BPB_FATSz16, n_fat);    /* Number of sectors per FAT */
+        tbl[BS_DrvNum] = 0x80;              /* Drive number */
+        tbl[BS_BootSig] = 0x29;             /* Extended boot signature */
+        mem_cpy(tbl+BS_VolLab, "NO NAME    " "FAT     ", 19);   /* Volume label, FAT signature */
+    }
+    ST_WORD(tbl+BS_55AA, 0xAA55);           /* Signature (Offset is fixed here regardless of sector size) */
+    if (disk_write(pdrv, tbl, b_vol, 1) != RES_OK)  /* Write it to the VBR sector */
+        return FR_DISK_ERR;
+    if (fmt == FS_FAT32)                            /* Write backup VBR if needed (VBR+6) */
+        disk_write(pdrv, tbl, b_vol + 6, 1);
+
+    /* Initialize FAT area */
+    wsect = b_fat;
+    for (i = 0; i < N_FATS; i++) {      /* Initialize each FAT copy */
+        mem_set(tbl, 0, SS(fs));            /* 1st sector of the FAT  */
+        n = md;                             /* Media descriptor byte */
+        if (fmt != FS_FAT32) {
+            n |= (fmt == FS_FAT12) ? 0x00FFFF00 : 0xFFFFFF00;
+            ST_DWORD(tbl+0, n);             /* Reserve cluster #0-1 (FAT12/16) */
+        } else {
+            n |= 0xFFFFFF00;
+            ST_DWORD(tbl+0, n);             /* Reserve cluster #0-1 (FAT32) */
+            ST_DWORD(tbl+4, 0xFFFFFFFF);
+            ST_DWORD(tbl+8, 0x0FFFFFFF);    /* Reserve cluster #2 for root dir */
+        }
+        if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
+            return FR_DISK_ERR;
+        mem_set(tbl, 0, SS(fs));            /* Fill following FAT entries with zero */
+        for (n = 1; n < n_fat; n++) {       /* This loop may take a time on FAT32 volume due to many single sector writes */
+            if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
+                return FR_DISK_ERR;
+        }
+    }
+
+    /* Initialize root directory */
+    i = (fmt == FS_FAT32) ? au : n_dir;
+    do {
+        if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
+            return FR_DISK_ERR;
+    } while (--i);
+
+#if _USE_ERASE  /* Erase data area if needed */
+    {
+        DWORD eb[2];
+
+        eb[0] = wsect; eb[1] = wsect + (n_clst - ((fmt == FS_FAT32) ? 1 : 0)) * au - 1;
+        disk_ioctl(pdrv, CTRL_ERASE_SECTOR, eb);
+    }
+#endif
+
+    /* Create FSInfo if needed */
+    if (fmt == FS_FAT32) {
+        ST_DWORD(tbl+FSI_LeadSig, 0x41615252);
+        ST_DWORD(tbl+FSI_StrucSig, 0x61417272);
+        ST_DWORD(tbl+FSI_Free_Count, n_clst - 1);   /* Number of free clusters */
+        ST_DWORD(tbl+FSI_Nxt_Free, 2);              /* Last allocated cluster# */
+        ST_WORD(tbl+BS_55AA, 0xAA55);
+        disk_write(pdrv, tbl, b_vol + 1, 1);    /* Write original (VBR+1) */
+        disk_write(pdrv, tbl, b_vol + 7, 1);    /* Write backup (VBR+7) */
+    }
+
+    return (disk_ioctl(pdrv, CTRL_SYNC, 0) == RES_OK) ? FR_OK : FR_DISK_ERR;
+}
+
+
+#if _MULTI_PARTITION == 2
+/*-----------------------------------------------------------------------*/
+/* Divide Physical Drive                                                 */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_fdisk (
+    BYTE pdrv,          /* Physical drive number */
+    const DWORD szt[],  /* Pointer to the size table for each partitions */
+    void* work          /* Pointer to the working buffer */
+)
+{
+    UINT i, n, sz_cyl, tot_cyl, b_cyl, e_cyl, p_cyl;
+    BYTE s_hd, e_hd, *p, *buf = (BYTE*)work;
+    DSTATUS stat;
+    DWORD sz_disk, sz_part, s_part;
+
+
+    stat = disk_initialize(pdrv);
+    if (stat & STA_NOINIT) return FR_NOT_READY;
+    if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
+    if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_disk)) return FR_DISK_ERR;
+
+    /* Determine CHS in the table regardless of the drive geometry */
+    for (n = 16; n < 256 && sz_disk / n / 63 > 1024; n *= 2) ;
+    if (n == 256) n--;
+    e_hd = n - 1;
+    sz_cyl = 63 * n;
+    tot_cyl = sz_disk / sz_cyl;
+
+    /* Create partition table */
+    mem_set(buf, 0, _MAX_SS);
+    p = buf + MBR_Table; b_cyl = 0;
+    for (i = 0; i < 4; i++, p += SZ_PTE) {
+        p_cyl = (szt[i] <= 100) ? (DWORD)tot_cyl * szt[i] / 100 : szt[i] / sz_cyl;
+        if (!p_cyl) continue;
+        s_part = (DWORD)sz_cyl * b_cyl;
+        sz_part = (DWORD)sz_cyl * p_cyl;
+        if (i == 0) {   /* Exclude first track of cylinder 0 */
+            s_hd = 1;
+            s_part += 63; sz_part -= 63;
+        } else {
+            s_hd = 0;
+        }
+        e_cyl = b_cyl + p_cyl - 1;
+        if (e_cyl >= tot_cyl) return FR_INVALID_PARAMETER;
+
+        /* Set partition table */
+        p[1] = s_hd;                        /* Start head */
+        p[2] = (BYTE)((b_cyl >> 2) + 1);    /* Start sector */
+        p[3] = (BYTE)b_cyl;                 /* Start cylinder */
+        p[4] = 0x06;                        /* System type (temporary setting) */
+        p[5] = e_hd;                        /* End head */
+        p[6] = (BYTE)((e_cyl >> 2) + 63);   /* End sector */
+        p[7] = (BYTE)e_cyl;                 /* End cylinder */
+        ST_DWORD(p + 8, s_part);            /* Start sector in LBA */
+        ST_DWORD(p + 12, sz_part);          /* Partition size */
+
+        /* Next partition */
+        b_cyl += p_cyl;
+    }
+    ST_WORD(p, 0xAA55);
+
+    /* Write it to the MBR */
+    return (disk_write(pdrv, buf, 0, 1) || disk_ioctl(pdrv, CTRL_SYNC, 0)) ? FR_DISK_ERR : FR_OK;
+}
+
+
+#endif /* _MULTI_PARTITION == 2 */
+#endif /* _USE_MKFS && !_FS_READONLY */
+
+
+
+
+#if _USE_STRFUNC
+/*-----------------------------------------------------------------------*/
+/* Get a string from the file                                            */
+/*-----------------------------------------------------------------------*/
+TCHAR* f_gets (
+    TCHAR* buff,    /* Pointer to the string buffer to read */
+    int len,        /* Size of string buffer (characters) */
+    FIL* fil        /* Pointer to the file object */
+)
+{
+    int n = 0;
+    TCHAR c, *p = buff;
+    BYTE s[2];
+    UINT rc;
+
+
+    while (n < len - 1) {           /* Read bytes until buffer gets filled */
+        f_read(fil, s, 1, &rc);
+        if (rc != 1) break;         /* Break on EOF or error */
+        c = s[0];
+#if _LFN_UNICODE                    /* Read a character in UTF-8 encoding */
+        if (c >= 0x80) {
+            if (c < 0xC0) continue; /* Skip stray trailer */
+            if (c < 0xE0) {         /* Two-byte sequence */
+                f_read(fil, s, 1, &rc);
+                if (rc != 1) break;
+                c = ((c & 0x1F) << 6) | (s[0] & 0x3F);
+                if (c < 0x80) c = '?';
+            } else {
+                if (c < 0xF0) {     /* Three-byte sequence */
+                    f_read(fil, s, 2, &rc);
+                    if (rc != 2) break;
+                    c = (c << 12) | ((s[0] & 0x3F) << 6) | (s[1] & 0x3F);
+                    if (c < 0x800) c = '?';
+                } else {            /* Reject four-byte sequence */
+                    c = '?';
+                }
+            }
+        }
+#endif
+#if _USE_STRFUNC >= 2
+        if (c == '\r') continue;    /* Strip '\r' */
+#endif
+        *p++ = c;
+        n++;
+        if (c == '\n') break;       /* Break on EOL */
+    }
+    *p = 0;
+    return n ? buff : 0;            /* When no data read (eof or error), return with error. */
+}
+
+
+
+#if !_FS_READONLY
+#include 
+/*-----------------------------------------------------------------------*/
+/* Put a character to the file                                           */
+/*-----------------------------------------------------------------------*/
+int f_putc (
+    TCHAR c,    /* A character to be output */
+    FIL* fil    /* Pointer to the file object */
+)
+{
+    UINT bw, btw;
+    BYTE s[3];
+
+
+#if _USE_STRFUNC >= 2
+    if (c == '\n') f_putc ('\r', fil);  /* LF -> CRLF conversion */
+#endif
+
+#if _LFN_UNICODE    /* Write the character in UTF-8 encoding */
+    if (c < 0x80) {         /* 7-bit */
+        s[0] = (BYTE)c;
+        btw = 1;
+    } else {
+        if (c < 0x800) {    /* 11-bit */
+            s[0] = (BYTE)(0xC0 | (c >> 6));
+            s[1] = (BYTE)(0x80 | (c & 0x3F));
+            btw = 2;
+        } else {            /* 16-bit */
+            s[0] = (BYTE)(0xE0 | (c >> 12));
+            s[1] = (BYTE)(0x80 | ((c >> 6) & 0x3F));
+            s[2] = (BYTE)(0x80 | (c & 0x3F));
+            btw = 3;
+        }
+    }
+#else               /* Write the character without conversion */
+    s[0] = (BYTE)c;
+    btw = 1;
+#endif
+    f_write(fil, s, btw, &bw);      /* Write the char to the file */
+    return (bw == btw) ? 1 : EOF;   /* Return the result */
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Put a string to the file                                              */
+/*-----------------------------------------------------------------------*/
+int f_puts (
+    const TCHAR* str,   /* Pointer to the string to be output */
+    FIL* fil            /* Pointer to the file object */
+)
+{
+    int n;
+
+
+    for (n = 0; *str; str++, n++) {
+        if (f_putc(*str, fil) == EOF) return EOF;
+    }
+    return n;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Put a formatted string to the file                                    */
+/*-----------------------------------------------------------------------*/
+int f_printf (
+    FIL* fil,           /* Pointer to the file object */
+    const TCHAR* str,   /* Pointer to the format string */
+    ...                 /* Optional arguments... */
+)
+{
+    va_list arp;
+    BYTE f, r;
+    UINT i, j, w;
+    ULONG v;
+    TCHAR c, d, s[16], *p;
+    int res, chc, cc;
+
+
+    va_start(arp, str);
+
+    for (cc = res = 0; cc != EOF; res += cc) {
+        c = *str++;
+        if (c == 0) break;          /* End of string */
+        if (c != '%') {             /* Non escape character */
+            cc = f_putc(c, fil);
+            if (cc != EOF) cc = 1;
+            continue;
+        }
+        w = f = 0;
+        c = *str++;
+        if (c == '0') {             /* Flag: '0' padding */
+            f = 1; c = *str++;
+        } else {
+            if (c == '-') {         /* Flag: left justified */
+                f = 2; c = *str++;
+            }
+        }
+        while (IsDigit(c)) {        /* Precision */
+            w = w * 10 + c - '0';
+            c = *str++;
+        }
+        if (c == 'l' || c == 'L') { /* Prefix: Size is long int */
+            f |= 4; c = *str++;
+        }
+        if (!c) break;
+        d = c;
+        if (IsLower(d)) d -= 0x20;
+        switch (d) {                /* Type is... */
+        case 'S' :                  /* String */
+            p = va_arg(arp, TCHAR*);
+            for (j = 0; p[j]; j++) ;
+            chc = 0;
+            if (!(f & 2)) {
+                while (j++ < w) chc += (cc = f_putc(' ', fil));
+            }
+            chc += (cc = f_puts(p, fil));
+            while (j++ < w) chc += (cc = f_putc(' ', fil));
+            if (cc != EOF) cc = chc;
+            continue;
+        case 'C' :                  /* Character */
+            cc = f_putc((TCHAR)va_arg(arp, int), fil); continue;
+        case 'B' :                  /* Binary */
+            r = 2; break;
+        case 'O' :                  /* Octal */
+            r = 8; break;
+        case 'D' :                  /* Signed decimal */
+        case 'U' :                  /* Unsigned decimal */
+            r = 10; break;
+        case 'X' :                  /* Hexdecimal */
+            r = 16; break;
+        default:                    /* Unknown type (pass-through) */
+            cc = f_putc(c, fil); continue;
+        }
+
+        /* Get an argument and put it in numeral */
+        v = (f & 4) ? (ULONG)va_arg(arp, long) : ((d == 'D') ? (ULONG)(long)va_arg(arp, int) : (ULONG)va_arg(arp, unsigned int));
+        if (d == 'D' && (v & 0x80000000)) {
+            v = 0 - v;
+            f |= 8;
+        }
+        i = 0;
+        do {
+            d = (TCHAR)(v % r); v /= r;
+            if (d > 9) d += (c == 'x') ? 0x27 : 0x07;
+            s[i++] = d + '0';
+        } while (v && i < sizeof s / sizeof s[0]);
+        if (f & 8) s[i++] = '-';
+        j = i; d = (f & 1) ? '0' : ' ';
+        res = 0;
+        while (!(f & 2) && j++ < w) res += (cc = f_putc(d, fil));
+        do res += (cc = f_putc(s[--i], fil)); while(i);
+        while (j++ < w) res += (cc = f_putc(' ', fil));
+        if (cc != EOF) cc = res;
+    }
+
+    va_end(arp);
+    return (cc == EOF) ? cc : res;
+}
+
+#endif /* !_FS_READONLY */
+#endif /* _USE_STRFUNC */
diff --git a/libraries/fs/fat/ChaN/ff.h b/libraries/fs/fat/ChaN/ff.h
new file mode 100644
index 0000000000..610ad0a686
--- /dev/null
+++ b/libraries/fs/fat/ChaN/ff.h
@@ -0,0 +1,337 @@
+/*---------------------------------------------------------------------------/
+/  FatFs - FAT file system module include file  R0.09a    (C)ChaN, 2012
+/----------------------------------------------------------------------------/
+/ FatFs module is a generic FAT file system module for small embedded systems.
+/ This is a free software that opened for education, research and commercial
+/ developments under license policy of following terms.
+/
+/  Copyright (C) 2012, ChaN, all right reserved.
+/
+/ * The FatFs module is a free software and there is NO WARRANTY.
+/ * No restriction on use. You can use, modify and redistribute it for
+/   personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY.
+/ * Redistributions of source code must retain the above copyright notice.
+/
+/----------------------------------------------------------------------------*/
+
+#ifndef _FATFS
+#define _FATFS  4004    /* Revision ID */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "integer.h"    /* Basic integer types */
+#include "ffconf.h"     /* FatFs configuration options */
+
+#if _FATFS != _FFCONF
+#error Wrong configuration file (ffconf.h).
+#endif
+
+
+
+/* Definitions of volume management */
+
+#if _MULTI_PARTITION        /* Multiple partition configuration */
+typedef struct {
+    BYTE pd;    /* Physical drive number */
+    BYTE pt;    /* Partition: 0:Auto detect, 1-4:Forced partition) */
+} PARTITION;
+extern PARTITION VolToPart[];   /* Volume - Partition resolution table */
+#define LD2PD(vol) (VolToPart[vol].pd)  /* Get physical drive number */
+#define LD2PT(vol) (VolToPart[vol].pt)  /* Get partition index */
+
+#else                           /* Single partition configuration */
+#define LD2PD(vol) (BYTE)(vol)  /* Each logical drive is bound to the same physical drive number */
+#define LD2PT(vol) 0            /* Always mounts the 1st partition or in SFD */
+
+#endif
+
+
+
+/* Type of path name strings on FatFs API */
+
+#if _LFN_UNICODE            /* Unicode string */
+#if !_USE_LFN
+#error _LFN_UNICODE must be 0 in non-LFN cfg.
+#endif
+#ifndef _INC_TCHAR
+typedef WCHAR TCHAR;
+#define _T(x) L ## x
+#define _TEXT(x) L ## x
+#endif
+
+#else                       /* ANSI/OEM string */
+#ifndef _INC_TCHAR
+typedef char TCHAR;
+#define _T(x) x
+#define _TEXT(x) x
+#endif
+
+#endif
+
+
+
+/* File system object structure (FATFS) */
+
+typedef struct {
+    BYTE    fs_type;        /* FAT sub-type (0:Not mounted) */
+    BYTE    drv;            /* Physical drive number */
+    BYTE    csize;          /* Sectors per cluster (1,2,4...128) */
+    BYTE    n_fats;         /* Number of FAT copies (1,2) */
+    BYTE    wflag;          /* win[] dirty flag (1:must be written back) */
+    BYTE    fsi_flag;       /* fsinfo dirty flag (1:must be written back) */
+    WORD    id;             /* File system mount ID */
+    WORD    n_rootdir;      /* Number of root directory entries (FAT12/16) */
+#if _MAX_SS != 512
+    WORD    ssize;          /* Bytes per sector (512, 1024, 2048 or 4096) */
+#endif
+#if _FS_REENTRANT
+    _SYNC_t sobj;           /* Identifier of sync object */
+#endif
+#if !_FS_READONLY
+    DWORD   last_clust;     /* Last allocated cluster */
+    DWORD   free_clust;     /* Number of free clusters */
+    DWORD   fsi_sector;     /* fsinfo sector (FAT32) */
+#endif
+#if _FS_RPATH
+    DWORD   cdir;           /* Current directory start cluster (0:root) */
+#endif
+    DWORD   n_fatent;       /* Number of FAT entries (= number of clusters + 2) */
+    DWORD   fsize;          /* Sectors per FAT */
+    DWORD   fatbase;        /* FAT start sector */
+    DWORD   dirbase;        /* Root directory start sector (FAT32:Cluster#) */
+    DWORD   database;       /* Data start sector */
+    DWORD   winsect;        /* Current sector appearing in the win[] */
+    BYTE    win[_MAX_SS];   /* Disk access window for Directory, FAT (and Data on tiny cfg) */
+} FATFS;
+
+
+
+/* File object structure (FIL) */
+
+typedef struct {
+    FATFS*  fs;             /* Pointer to the related file system object */
+    WORD    id;             /* File system mount ID of the related file system object */
+    BYTE    flag;           /* File status flags */
+    BYTE    pad1;
+    DWORD   fptr;           /* File read/write pointer (0ed on file open) */
+    DWORD   fsize;          /* File size */
+    DWORD   sclust;         /* File data start cluster (0:no data cluster, always 0 when fsize is 0) */
+    DWORD   clust;          /* Current cluster of fpter */
+    DWORD   dsect;          /* Current data sector of fpter */
+#if !_FS_READONLY
+    DWORD   dir_sect;       /* Sector containing the directory entry */
+    BYTE*   dir_ptr;        /* Pointer to the directory entry in the window */
+#endif
+#if _USE_FASTSEEK
+    DWORD*  cltbl;          /* Pointer to the cluster link map table (null on file open) */
+#endif
+#if _FS_LOCK
+    UINT    lockid;         /* File lock ID (index of file semaphore table Files[]) */
+#endif
+#if !_FS_TINY
+    BYTE    buf[_MAX_SS];   /* File data read/write buffer */
+#endif
+} FIL;
+
+
+
+/* Directory object structure (DIR) */
+
+typedef struct {
+    FATFS*  fs;             /* Pointer to the owner file system object */
+    WORD    id;             /* Owner file system mount ID */
+    WORD    index;          /* Current read/write index number */
+    DWORD   sclust;         /* Table start cluster (0:Root dir) */
+    DWORD   clust;          /* Current cluster */
+    DWORD   sect;           /* Current sector */
+    BYTE*   dir;            /* Pointer to the current SFN entry in the win[] */
+    BYTE*   fn;             /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
+#if _USE_LFN
+    WCHAR*  lfn;            /* Pointer to the LFN working buffer */
+    WORD    lfn_idx;        /* Last matched LFN index number (0xFFFF:No LFN) */
+#endif
+} FATFS_DIR;
+
+
+
+/* File status structure (FILINFO) */
+
+typedef struct {
+    DWORD   fsize;          /* File size */
+    WORD    fdate;          /* Last modified date */
+    WORD    ftime;          /* Last modified time */
+    BYTE    fattrib;        /* Attribute */
+    TCHAR   fname[13];      /* Short file name (8.3 format) */
+#if _USE_LFN
+    TCHAR*  lfname;         /* Pointer to the LFN buffer */
+    UINT    lfsize;         /* Size of LFN buffer in TCHAR */
+#endif
+} FILINFO;
+
+
+
+/* File function return code (FRESULT) */
+
+typedef enum {
+    FR_OK = 0,              /* (0) Succeeded */
+    FR_DISK_ERR,            /* (1) A hard error occurred in the low level disk I/O layer */
+    FR_INT_ERR,             /* (2) Assertion failed */
+    FR_NOT_READY,           /* (3) The physical drive cannot work */
+    FR_NO_FILE,             /* (4) Could not find the file */
+    FR_NO_PATH,             /* (5) Could not find the path */
+    FR_INVALID_NAME,        /* (6) The path name format is invalid */
+    FR_DENIED,              /* (7) Access denied due to prohibited access or directory full */
+    FR_EXIST,               /* (8) Access denied due to prohibited access */
+    FR_INVALID_OBJECT,      /* (9) The file/directory object is invalid */
+    FR_WRITE_PROTECTED,     /* (10) The physical drive is write protected */
+    FR_INVALID_DRIVE,       /* (11) The logical drive number is invalid */
+    FR_NOT_ENABLED,         /* (12) The volume has no work area */
+    FR_NO_FILESYSTEM,       /* (13) There is no valid FAT volume */
+    FR_MKFS_ABORTED,        /* (14) The f_mkfs() aborted due to any parameter error */
+    FR_TIMEOUT,             /* (15) Could not get a grant to access the volume within defined period */
+    FR_LOCKED,              /* (16) The operation is rejected according to the file sharing policy */
+    FR_NOT_ENOUGH_CORE,     /* (17) LFN working buffer could not be allocated */
+    FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_SHARE */
+    FR_INVALID_PARAMETER    /* (19) Given parameter is invalid */
+} FRESULT;
+
+
+
+/*--------------------------------------------------------------*/
+/* FatFs module application interface                           */
+
+FRESULT f_mount (BYTE, FATFS*);                     /* Mount/Unmount a logical drive */
+FRESULT f_open (FIL*, const TCHAR*, BYTE);          /* Open or create a file */
+FRESULT f_read (FIL*, void*, UINT, UINT*);          /* Read data from a file */
+FRESULT f_lseek (FIL*, DWORD);                      /* Move file pointer of a file object */
+FRESULT f_close (FIL*);                             /* Close an open file object */
+FRESULT f_opendir (FATFS_DIR*, const TCHAR*);             /* Open an existing directory */
+FRESULT f_readdir (FATFS_DIR*, FILINFO*);                 /* Read a directory item */
+FRESULT f_stat (const TCHAR*, FILINFO*);            /* Get file status */
+FRESULT f_write (FIL*, const void*, UINT, UINT*);   /* Write data to a file */
+FRESULT f_getfree (const TCHAR*, DWORD*, FATFS**);  /* Get number of free clusters on the drive */
+FRESULT f_truncate (FIL*);                          /* Truncate file */
+FRESULT f_sync (FIL*);                              /* Flush cached data of a writing file */
+FRESULT f_unlink (const TCHAR*);                    /* Delete an existing file or directory */
+FRESULT f_mkdir (const TCHAR*);                     /* Create a new directory */
+FRESULT f_chmod (const TCHAR*, BYTE, BYTE);         /* Change attribute of the file/dir */
+FRESULT f_utime (const TCHAR*, const FILINFO*);     /* Change times-tamp of the file/dir */
+FRESULT f_rename (const TCHAR*, const TCHAR*);      /* Rename/Move a file or directory */
+FRESULT f_chdrive (BYTE);                           /* Change current drive */
+FRESULT f_chdir (const TCHAR*);                     /* Change current directory */
+FRESULT f_getcwd (TCHAR*, UINT);                    /* Get current directory */
+FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*);   /* Forward data to the stream */
+FRESULT f_mkfs (BYTE, BYTE, UINT);                  /* Create a file system on the drive */
+FRESULT f_fdisk (BYTE, const DWORD[], void*);       /* Divide a physical drive into some partitions */
+int f_putc (TCHAR, FIL*);                           /* Put a character to the file */
+int f_puts (const TCHAR*, FIL*);                    /* Put a string to the file */
+int f_printf (FIL*, const TCHAR*, ...);             /* Put a formatted string to the file */
+TCHAR* f_gets (TCHAR*, int, FIL*);                  /* Get a string from the file */
+
+#define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0)
+#define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0)
+#define f_tell(fp) ((fp)->fptr)
+#define f_size(fp) ((fp)->fsize)
+
+#ifndef EOF
+#define EOF (-1)
+#endif
+
+
+
+
+/*--------------------------------------------------------------*/
+/* Additional user defined functions                            */
+
+/* RTC function */
+#if !_FS_READONLY
+DWORD get_fattime (void);
+#endif
+
+/* Unicode support functions */
+#if _USE_LFN                        /* Unicode - OEM code conversion */
+WCHAR ff_convert (WCHAR, UINT);     /* OEM-Unicode bidirectional conversion */
+WCHAR ff_wtoupper (WCHAR);          /* Unicode upper-case conversion */
+#if _USE_LFN == 3                   /* Memory functions */
+void* ff_memalloc (UINT);           /* Allocate memory block */
+void ff_memfree (void*);            /* Free memory block */
+#endif
+#endif
+
+/* Sync functions */
+#if _FS_REENTRANT
+int ff_cre_syncobj (BYTE, _SYNC_t*);/* Create a sync object */
+int ff_req_grant (_SYNC_t);         /* Lock sync object */
+void ff_rel_grant (_SYNC_t);        /* Unlock sync object */
+int ff_del_syncobj (_SYNC_t);       /* Delete a sync object */
+#endif
+
+
+
+
+/*--------------------------------------------------------------*/
+/* Flags and offset address                                     */
+
+
+/* File access control and file status flags (FIL.flag) */
+
+#define FA_READ             0x01
+#define FA_OPEN_EXISTING    0x00
+#define FA__ERROR           0x80
+
+#if !_FS_READONLY
+#define FA_WRITE            0x02
+#define FA_CREATE_NEW       0x04
+#define FA_CREATE_ALWAYS    0x08
+#define FA_OPEN_ALWAYS      0x10
+#define FA__WRITTEN         0x20
+#define FA__DIRTY           0x40
+#endif
+
+
+/* FAT sub type (FATFS.fs_type) */
+
+#define FS_FAT12    1
+#define FS_FAT16    2
+#define FS_FAT32    3
+
+
+/* File attribute bits for directory entry */
+
+#define AM_RDO  0x01    /* Read only */
+#define AM_HID  0x02    /* Hidden */
+#define AM_SYS  0x04    /* System */
+#define AM_VOL  0x08    /* Volume label */
+#define AM_LFN  0x0F    /* LFN entry */
+#define AM_DIR  0x10    /* Directory */
+#define AM_ARC  0x20    /* Archive */
+#define AM_MASK 0x3F    /* Mask of defined bits */
+
+
+/* Fast seek feature */
+#define CREATE_LINKMAP  0xFFFFFFFF
+
+
+
+/*--------------------------------*/
+/* Multi-byte word access macros  */
+
+#if _WORD_ACCESS == 1   /* Enable word access to the FAT structure */
+#define LD_WORD(ptr)        (WORD)(*(WORD*)(BYTE*)(ptr))
+#define LD_DWORD(ptr)       (DWORD)(*(DWORD*)(BYTE*)(ptr))
+#define ST_WORD(ptr,val)    *(WORD*)(BYTE*)(ptr)=(WORD)(val)
+#define ST_DWORD(ptr,val)   *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
+#else                   /* Use byte-by-byte access to the FAT structure */
+#define LD_WORD(ptr)        (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
+#define LD_DWORD(ptr)       (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
+#define ST_WORD(ptr,val)    *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
+#define ST_DWORD(ptr,val)   *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8); *((BYTE*)(ptr)+2)=(BYTE)((DWORD)(val)>>16); *((BYTE*)(ptr)+3)=(BYTE)((DWORD)(val)>>24)
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FATFS */
diff --git a/libraries/fs/fat/ChaN/ffconf.h b/libraries/fs/fat/ChaN/ffconf.h
new file mode 100644
index 0000000000..cc94eaac64
--- /dev/null
+++ b/libraries/fs/fat/ChaN/ffconf.h
@@ -0,0 +1,191 @@
+/*---------------------------------------------------------------------------/
+/  FatFs - FAT file system module configuration file  R0.09a (C)ChaN, 2012
+/----------------------------------------------------------------------------/
+/
+/ CAUTION! Do not forget to make clean the project after any changes to
+/ the configuration options.
+/
+/----------------------------------------------------------------------------*/
+#ifndef _FFCONF
+#define _FFCONF 4004    /* Revision ID */
+
+#define FFS_DBG     0
+
+/*---------------------------------------------------------------------------/
+/ Functions and Buffer Configurations
+/----------------------------------------------------------------------------*/
+
+#define _FS_TINY        0   /* 0:Normal or 1:Tiny */
+/* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
+/  object instead of the sector buffer in the individual file object for file
+/  data transfer. This reduces memory consumption 512 bytes each file object. */
+
+
+#define _FS_READONLY    0   /* 0:Read/Write or 1:Read only */
+/* Setting _FS_READONLY to 1 defines read only configuration. This removes
+/  writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
+/  f_truncate and useless f_getfree. */
+
+
+#define _FS_MINIMIZE    0   /* 0 to 3 */
+/* The _FS_MINIMIZE option defines minimization level to remove some functions.
+/
+/   0: Full function.
+/   1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename
+/      are removed.
+/   2: f_opendir and f_readdir are removed in addition to 1.
+/   3: f_lseek is removed in addition to 2. */
+
+
+#define _USE_STRFUNC    0   /* 0:Disable or 1-2:Enable */
+/* To enable string functions, set _USE_STRFUNC to 1 or 2. */
+
+
+#define _USE_MKFS       1   /* 0:Disable or 1:Enable */
+/* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
+
+
+#define _USE_FORWARD    0   /* 0:Disable or 1:Enable */
+/* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
+
+
+#define _USE_FASTSEEK   0   /* 0:Disable or 1:Enable */
+/* To enable fast seek feature, set _USE_FASTSEEK to 1. */
+
+
+
+/*---------------------------------------------------------------------------/
+/ Locale and Namespace Configurations
+/----------------------------------------------------------------------------*/
+
+#define _CODE_PAGE  858
+/* The _CODE_PAGE specifies the OEM code page to be used on the target system.
+/  Incorrect setting of the code page can cause a file open failure.
+/
+/   932  - Japanese Shift-JIS (DBCS, OEM, Windows)
+/   936  - Simplified Chinese GBK (DBCS, OEM, Windows)
+/   949  - Korean (DBCS, OEM, Windows)
+/   950  - Traditional Chinese Big5 (DBCS, OEM, Windows)
+/   1250 - Central Europe (Windows)
+/   1251 - Cyrillic (Windows)
+/   1252 - Latin 1 (Windows)
+/   1253 - Greek (Windows)
+/   1254 - Turkish (Windows)
+/   1255 - Hebrew (Windows)
+/   1256 - Arabic (Windows)
+/   1257 - Baltic (Windows)
+/   1258 - Vietnam (OEM, Windows)
+/   437  - U.S. (OEM)
+/   720  - Arabic (OEM)
+/   737  - Greek (OEM)
+/   775  - Baltic (OEM)
+/   850  - Multilingual Latin 1 (OEM)
+/   858  - Multilingual Latin 1 + Euro (OEM)
+/   852  - Latin 2 (OEM)
+/   855  - Cyrillic (OEM)
+/   866  - Russian (OEM)
+/   857  - Turkish (OEM)
+/   862  - Hebrew (OEM)
+/   874  - Thai (OEM, Windows)
+/   1    - ASCII only (Valid for non LFN cfg.)
+*/
+
+
+#define _USE_LFN    1       /* 0 to 3 */
+#define _MAX_LFN    255     /* Maximum LFN length to handle (12 to 255) */
+/* The _USE_LFN option switches the LFN support.
+/
+/   0: Disable LFN feature. _MAX_LFN and _LFN_UNICODE have no effect.
+/   1: Enable LFN with static working buffer on the BSS. Always NOT reentrant.
+/   2: Enable LFN with dynamic working buffer on the STACK.
+/   3: Enable LFN with dynamic working buffer on the HEAP.
+/
+/  The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. To enable LFN,
+/  Unicode handling functions ff_convert() and ff_wtoupper() must be added
+/  to the project. When enable to use heap, memory control functions
+/  ff_memalloc() and ff_memfree() must be added to the project. */
+
+
+#define _LFN_UNICODE    0   /* 0:ANSI/OEM or 1:Unicode */
+/* To switch the character code set on FatFs API to Unicode,
+/  enable LFN feature and set _LFN_UNICODE to 1. */
+
+
+#define _FS_RPATH       0   /* 0 to 2 */
+/* The _FS_RPATH option configures relative path feature.
+/
+/   0: Disable relative path feature and remove related functions.
+/   1: Enable relative path. f_chdrive() and f_chdir() are available.
+/   2: f_getcwd() is available in addition to 1.
+/
+/  Note that output of the f_readdir fnction is affected by this option. */
+
+
+
+/*---------------------------------------------------------------------------/
+/ Physical Drive Configurations
+/----------------------------------------------------------------------------*/
+
+#define _VOLUMES    1
+/* Number of volumes (logical drives) to be used. */
+
+
+#define _MAX_SS     512     /* 512, 1024, 2048 or 4096 */
+/* Maximum sector size to be handled.
+/  Always set 512 for memory card and hard disk but a larger value may be
+/  required for on-board flash memory, floppy disk and optical disk.
+/  When _MAX_SS is larger than 512, it configures FatFs to variable sector size
+/  and GET_SECTOR_SIZE command must be implememted to the disk_ioctl function. */
+
+
+#define _MULTI_PARTITION    0   /* 0:Single partition, 1/2:Enable multiple partition */
+/* When set to 0, each volume is bound to the same physical drive number and
+/ it can mount only first primaly partition. When it is set to 1, each volume
+/ is tied to the partitions listed in VolToPart[]. */
+
+
+#define _USE_ERASE  0   /* 0:Disable or 1:Enable */
+/* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command
+/  should be added to the disk_ioctl functio. */
+
+
+
+/*---------------------------------------------------------------------------/
+/ System Configurations
+/----------------------------------------------------------------------------*/
+
+#define _WORD_ACCESS    0   /* 0 or 1 */
+/* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS
+/  option defines which access method is used to the word data on the FAT volume.
+/
+/   0: Byte-by-byte access.
+/   1: Word access. Do not choose this unless following condition is met.
+/
+/  When the byte order on the memory is big-endian or address miss-aligned word
+/  access results incorrect behavior, the _WORD_ACCESS must be set to 0.
+/  If it is not the case, the value can also be set to 1 to improve the
+/  performance and code size.
+*/
+
+
+/* A header file that defines sync object types on the O/S, such as
+/  windows.h, ucos_ii.h and semphr.h, must be included prior to ff.h. */
+
+#define _FS_REENTRANT   0       /* 0:Disable or 1:Enable */
+#define _FS_TIMEOUT     1000    /* Timeout period in unit of time ticks */
+#define _SYNC_t         HANDLE  /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */
+
+/* The _FS_REENTRANT option switches the reentrancy (thread safe) of the FatFs module.
+/
+/   0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect.
+/   1: Enable reentrancy. Also user provided synchronization handlers,
+/      ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj
+/      function must be added to the project. */
+
+
+#define _FS_LOCK    0   /* 0:Disable or >=1:Enable */
+/* To enable file lock control feature, set _FS_LOCK to 1 or greater.
+   The value defines how many files can be opened simultaneously. */
+
+
+#endif /* _FFCONFIG */
diff --git a/libraries/fs/fat/ChaN/integer.h b/libraries/fs/fat/ChaN/integer.h
new file mode 100644
index 0000000000..1b99b37f62
--- /dev/null
+++ b/libraries/fs/fat/ChaN/integer.h
@@ -0,0 +1,37 @@
+/*-------------------------------------------*/
+/* Integer type definitions for FatFs module */
+/*-------------------------------------------*/
+
+#ifndef _INTEGER
+#define _INTEGER
+
+#ifdef _WIN32    /* FatFs development platform */
+
+#include 
+#include 
+
+#else            /* Embedded platform */
+
+/* These types must be 16-bit, 32-bit or larger integer */
+typedef int             INT;
+typedef unsigned int    UINT;
+
+/* These types must be 8-bit integer */
+typedef char            CHAR;
+typedef unsigned char   UCHAR;
+typedef unsigned char   BYTE;
+
+/* These types must be 16-bit integer */
+typedef short           SHORT;
+typedef unsigned short  USHORT;
+typedef unsigned short  WORD;
+typedef unsigned short  WCHAR;
+
+/* These types must be 32-bit integer */
+typedef long            LONG;
+typedef unsigned long   ULONG;
+typedef unsigned long   DWORD;
+
+#endif
+
+#endif
diff --git a/libraries/fs/fat/FATDirHandle.cpp b/libraries/fs/fat/FATDirHandle.cpp
new file mode 100644
index 0000000000..60a4e7b2b6
--- /dev/null
+++ b/libraries/fs/fat/FATDirHandle.cpp
@@ -0,0 +1,78 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include 
+#include "ff.h"
+#include "FATDirHandle.h"
+
+using namespace mbed;
+
+FATDirHandle::FATDirHandle(const FATFS_DIR &the_dir) {
+    dir = the_dir;
+}
+
+int FATDirHandle::closedir() {
+    delete this;
+    return 0;
+}
+
+struct dirent *FATDirHandle::readdir() {
+    FILINFO finfo;
+
+#if _USE_LFN
+    finfo.lfname = cur_entry.d_name;
+    finfo.lfsize = sizeof(cur_entry.d_name);
+#endif // _USE_LFN
+
+    FRESULT res = f_readdir(&dir, &finfo);
+
+#if _USE_LFN
+    if(res != 0 || finfo.fname[0]==0) {
+        return NULL;
+    } else {
+        if(cur_entry.d_name[0]==0) {
+            // No long filename so use short filename.
+            memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
+        }
+        return &cur_entry;
+    }
+#else
+    if(res != 0 || finfo.fname[0]==0) {
+        return NULL;
+    } else {
+        memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
+        return &cur_entry;
+    }
+#endif /* _USE_LFN */
+}
+
+void FATDirHandle::rewinddir() {
+    dir.index = 0;
+}
+
+off_t FATDirHandle::telldir() {
+    return dir.index;
+}
+
+void FATDirHandle::seekdir(off_t location) {
+    dir.index = location;
+}
+
diff --git a/libraries/fs/fat/FATDirHandle.h b/libraries/fs/fat/FATDirHandle.h
new file mode 100644
index 0000000000..25ececacf3
--- /dev/null
+++ b/libraries/fs/fat/FATDirHandle.h
@@ -0,0 +1,45 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef MBED_FATDIRHANDLE_H
+#define MBED_FATDIRHANDLE_H
+
+#include "DirHandle.h"
+
+using namespace mbed;
+
+class FATDirHandle : public DirHandle {
+
+ public:
+    FATDirHandle(const FATFS_DIR &the_dir);
+    virtual int closedir();
+    virtual struct dirent *readdir();
+    virtual void rewinddir();
+    virtual off_t telldir();
+    virtual void seekdir(off_t location);
+
+ private:
+    FATFS_DIR dir;
+    struct dirent cur_entry;
+
+};
+
+#endif
diff --git a/libraries/fs/fat/FATFileHandle.cpp b/libraries/fs/fat/FATFileHandle.cpp
new file mode 100644
index 0000000000..768d585ba7
--- /dev/null
+++ b/libraries/fs/fat/FATFileHandle.cpp
@@ -0,0 +1,90 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "ff.h"
+#include "ffconf.h"
+#include "mbed_debug.h"
+
+#include "FATFileHandle.h"
+
+FATFileHandle::FATFileHandle(FIL fh) {
+    _fh = fh;
+}
+
+int FATFileHandle::close() {
+    int retval = f_close(&_fh);
+    delete this;
+    return retval;
+}
+
+ssize_t FATFileHandle::write(const void* buffer, size_t length) {
+    UINT n;
+    FRESULT res = f_write(&_fh, buffer, length, &n);
+    if (res) { 
+        debug_if(FFS_DBG, "f_write() failed: %d", res);
+        return -1;
+    }
+    return n;
+}
+        
+ssize_t FATFileHandle::read(void* buffer, size_t length) {
+    debug_if(FFS_DBG, "read(%d)\n", length);
+    UINT n;
+    FRESULT res = f_read(&_fh, buffer, length, &n);
+    if (res) {
+        debug_if(FFS_DBG, "f_read() failed: %d\n", res);
+        return -1;
+    }
+    return n;
+}
+
+int FATFileHandle::isatty() {
+    return 0;
+}
+
+off_t FATFileHandle::lseek(off_t position, int whence) {
+    if (whence == SEEK_END) {
+        position += _fh.fsize;
+    } else if(whence==SEEK_CUR) {
+        position += _fh.fptr;
+    }
+    FRESULT res = f_lseek(&_fh, position);
+    if (res) {
+        debug_if(FFS_DBG, "lseek failed: %d\n", res);
+        return -1;
+    } else {
+        debug_if(FFS_DBG, "lseek OK, returning %i\n", _fh.fptr);
+        return _fh.fptr;
+    }
+}
+
+int FATFileHandle::fsync() {
+    FRESULT res = f_sync(&_fh);
+    if (res) {
+        debug_if(FFS_DBG, "f_sync() failed: %d\n", res);
+        return -1;
+    }
+    return 0;
+}
+
+off_t FATFileHandle::flen() {
+    return _fh.fsize;
+}
diff --git a/libraries/fs/fat/FATFileHandle.h b/libraries/fs/fat/FATFileHandle.h
new file mode 100644
index 0000000000..d41592f9c3
--- /dev/null
+++ b/libraries/fs/fat/FATFileHandle.h
@@ -0,0 +1,47 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef MBED_FATFILEHANDLE_H
+#define MBED_FATFILEHANDLE_H
+
+#include "FileHandle.h"
+
+using namespace mbed;
+
+class FATFileHandle : public FileHandle {
+public:
+
+    FATFileHandle(FIL fh);
+    virtual int close();
+    virtual ssize_t write(const void* buffer, size_t length);
+    virtual ssize_t read(void* buffer, size_t length);
+    virtual int isatty();
+    virtual off_t lseek(off_t position, int whence);
+    virtual int fsync();
+    virtual off_t flen();
+
+protected:
+
+    FIL _fh;
+
+};
+
+#endif
diff --git a/libraries/fs/fat/FATFileSystem.cpp b/libraries/fs/fat/FATFileSystem.cpp
new file mode 100644
index 0000000000..6e48681987
--- /dev/null
+++ b/libraries/fs/fat/FATFileSystem.cpp
@@ -0,0 +1,132 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "mbed.h"
+
+#include "ffconf.h"
+#include "mbed_debug.h"
+
+#include "FATFileSystem.h"
+#include "FATFileHandle.h"
+#include "FATDirHandle.h"
+
+DWORD get_fattime(void) {
+    time_t rawtime;
+    time(&rawtime);
+    struct tm *ptm = localtime(&rawtime);
+    return (DWORD)(ptm->tm_year - 80) << 25
+         | (DWORD)(ptm->tm_mon + 1  ) << 21
+         | (DWORD)(ptm->tm_mday     ) << 16
+         | (DWORD)(ptm->tm_hour     ) << 11
+         | (DWORD)(ptm->tm_min      ) << 5
+         | (DWORD)(ptm->tm_sec/2    );
+}
+
+FATFileSystem *FATFileSystem::_ffs[_VOLUMES] = {0};
+
+FATFileSystem::FATFileSystem(const char* n) : FileSystemLike(n) {
+    debug_if(FFS_DBG, "FATFileSystem(%s)\n", n);
+    for(int i=0; i<_VOLUMES; i++) {
+        if(_ffs[i] == 0) {
+            _ffs[i] = this;
+            _fsid = i;
+            debug_if(FFS_DBG, "Mounting [%s] on ffs drive [%d]\n", _name, _fsid);
+            f_mount(i, &_fs);
+            return;
+        }
+    }
+    error("Couldn't create %s in FATFileSystem::FATFileSystem\n", n);
+}
+
+FATFileSystem::~FATFileSystem() {
+    for (int i=0; i<_VOLUMES; i++) {
+        if (_ffs[i] == this) {
+            _ffs[i] = 0;
+            f_mount(i, NULL);
+        }
+    }
+}
+
+FileHandle *FATFileSystem::open(const char* name, int flags) {
+    debug_if(FFS_DBG, "open(%s) on filesystem [%s], drv [%d]\n", name, _name, _fsid);
+    char n[64];
+    sprintf(n, "%d:/%s", _fsid, name);
+    
+    /* POSIX flags -> FatFS open mode */
+    BYTE openmode;
+    if (flags & O_RDWR) {
+        openmode = FA_READ|FA_WRITE;
+    } else if(flags & O_WRONLY) {
+        openmode = FA_WRITE;
+    } else {
+        openmode = FA_READ;
+    }
+    if(flags & O_CREAT) {
+        if(flags & O_TRUNC) {
+            openmode |= FA_CREATE_ALWAYS;
+        } else {
+            openmode |= FA_OPEN_ALWAYS;
+        }
+    }
+    
+    FIL fh;
+    FRESULT res = f_open(&fh, n, openmode);
+    if (res) { 
+        debug_if(FFS_DBG, "f_open('w') failed: %d\n", res);
+        return NULL;
+    }
+    if (flags & O_APPEND) {
+        f_lseek(&fh, fh.fsize);
+    }
+    return new FATFileHandle(fh);
+}
+    
+int FATFileSystem::remove(const char *filename) {
+    FRESULT res = f_unlink(filename);
+    if (res) { 
+        debug_if(FFS_DBG, "f_unlink() failed: %d\n", res);
+        return -1;
+    }
+    return 0;
+}
+
+int FATFileSystem::format() {
+    FRESULT res = f_mkfs(_fsid, 0, 512); // Logical drive number, Partitioning rule, Allocation unit size (bytes per cluster)
+    if (res) {
+        debug_if(FFS_DBG, "f_mkfs() failed: %d\n", res);
+        return -1;
+    }
+    return 0;
+}
+
+DirHandle *FATFileSystem::opendir(const char *name) {
+    FATFS_DIR dir;
+    FRESULT res = f_opendir(&dir, name);
+    if (res != 0) {
+        return NULL;
+    }
+    return new FATDirHandle(dir);
+}
+
+int FATFileSystem::mkdir(const char *name, mode_t mode) {
+    FRESULT res = f_mkdir(name);
+    return res == 0 ? 0 : -1;
+}
diff --git a/libraries/fs/fat/FATFileSystem.h b/libraries/fs/fat/FATFileSystem.h
new file mode 100644
index 0000000000..492b470d18
--- /dev/null
+++ b/libraries/fs/fat/FATFileSystem.h
@@ -0,0 +1,57 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef MBED_FATFILESYSTEM_H
+#define MBED_FATFILESYSTEM_H
+
+#include "FileSystemLike.h"
+#include "FileHandle.h"
+#include "ff.h"
+#include 
+
+using namespace mbed;
+
+class FATFileSystem : public FileSystemLike {
+public:
+
+    FATFileSystem(const char* n);
+    virtual ~FATFileSystem();
+
+    static FATFileSystem * _ffs[_VOLUMES];   // FATFileSystem objects, as parallel to FatFs drives array
+    FATFS _fs;                               // Work area (file system object) for logical drive
+    int _fsid;
+
+    virtual FileHandle *open(const char* name, int flags);
+    virtual int remove(const char *filename);
+    virtual int format();
+    virtual DirHandle *opendir(const char *name);
+    virtual int mkdir(const char *name, mode_t mode);
+
+    virtual int disk_initialize() { return 0; }
+    virtual int disk_status() { return 0; }
+    virtual int disk_read(uint8_t * buffer, uint64_t sector) = 0;
+    virtual int disk_write(const uint8_t * buffer, uint64_t sector) = 0;
+    virtual int disk_sync() { return 0; }
+    virtual uint64_t disk_sectors() = 0;
+
+};
+
+#endif
diff --git a/libraries/fs/sd/SDFileSystem.cpp b/libraries/fs/sd/SDFileSystem.cpp
new file mode 100644
index 0000000000..6f6846545a
--- /dev/null
+++ b/libraries/fs/sd/SDFileSystem.cpp
@@ -0,0 +1,465 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+/* Introduction
+ * ------------
+ * SD and MMC cards support a number of interfaces, but common to them all
+ * is one based on SPI. This is the one I'm implmenting because it means
+ * it is much more portable even though not so performant, and we already
+ * have the mbed SPI Interface!
+ *
+ * The main reference I'm using is Chapter 7, "SPI Mode" of:
+ *  http://www.sdcard.org/developers/tech/sdcard/pls/Simplified_Physical_Layer_Spec.pdf
+ *
+ * SPI Startup
+ * -----------
+ * The SD card powers up in SD mode. The SPI interface mode is selected by
+ * asserting CS low and sending the reset command (CMD0). The card will
+ * respond with a (R1) response.
+ *
+ * CMD8 is optionally sent to determine the voltage range supported, and
+ * indirectly determine whether it is a version 1.x SD/non-SD card or
+ * version 2.x. I'll just ignore this for now.
+ *
+ * ACMD41 is repeatedly issued to initialise the card, until "in idle"
+ * (bit 0) of the R1 response goes to '0', indicating it is initialised.
+ *
+ * You should also indicate whether the host supports High Capicity cards,
+ * and check whether the card is high capacity - i'll also ignore this
+ *
+ * SPI Protocol
+ * ------------
+ * The SD SPI protocol is based on transactions made up of 8-bit words, with
+ * the host starting every bus transaction by asserting the CS signal low. The
+ * card always responds to commands, data blocks and errors.
+ *
+ * The protocol supports a CRC, but by default it is off (except for the
+ * first reset CMD0, where the CRC can just be pre-calculated, and CMD8)
+ * I'll leave the CRC off I think!
+ *
+ * Standard capacity cards have variable data block sizes, whereas High
+ * Capacity cards fix the size of data block to 512 bytes. I'll therefore
+ * just always use the Standard Capacity cards with a block size of 512 bytes.
+ * This is set with CMD16.
+ *
+ * You can read and write single blocks (CMD17, CMD25) or multiple blocks
+ * (CMD18, CMD25). For simplicity, I'll just use single block accesses. When
+ * the card gets a read command, it responds with a response token, and then
+ * a data token or an error.
+ *
+ * SPI Command Format
+ * ------------------
+ * Commands are 6-bytes long, containing the command, 32-bit argument, and CRC.
+ *
+ * +---------------+------------+------------+-----------+----------+--------------+
+ * | 01 | cmd[5:0] | arg[31:24] | arg[23:16] | arg[15:8] | arg[7:0] | crc[6:0] | 1 |
+ * +---------------+------------+------------+-----------+----------+--------------+
+ *
+ * As I'm not using CRC, I can fix that byte to what is needed for CMD0 (0x95)
+ *
+ * All Application Specific commands shall be preceded with APP_CMD (CMD55).
+ *
+ * SPI Response Format
+ * -------------------
+ * The main response format (R1) is a status byte (normally zero). Key flags:
+ *  idle - 1 if the card is in an idle state/initialising
+ *  cmd  - 1 if an illegal command code was detected
+ *
+ *    +-------------------------------------------------+
+ * R1 | 0 | arg | addr | seq | crc | cmd | erase | idle |
+ *    +-------------------------------------------------+
+ *
+ * R1b is the same, except it is followed by a busy signal (zeros) until
+ * the first non-zero byte when it is ready again.
+ *
+ * Data Response Token
+ * -------------------
+ * Every data block written to the card is acknowledged by a byte
+ * response token
+ *
+ * +----------------------+
+ * | xxx | 0 | status | 1 |
+ * +----------------------+
+ *              010 - OK!
+ *              101 - CRC Error
+ *              110 - Write Error
+ *
+ * Single Block Read and Write
+ * ---------------------------
+ *
+ * Block transfers have a byte header, followed by the data, followed
+ * by a 16-bit CRC. In our case, the data will always be 512 bytes.
+ *
+ * +------+---------+---------+- -  - -+---------+-----------+----------+
+ * | 0xFE | data[0] | data[1] |        | data[n] | crc[15:8] | crc[7:0] |
+ * +------+---------+---------+- -  - -+---------+-----------+----------+
+ */
+#include "SDFileSystem.h"
+#include "mbed_debug.h"
+
+#define SD_COMMAND_TIMEOUT 5000
+
+#define SD_DBG             0
+
+SDFileSystem::SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name) :
+    FATFileSystem(name), _spi(mosi, miso, sclk), _cs(cs) {
+    _cs = 1;
+}
+
+#define R1_IDLE_STATE           (1 << 0)
+#define R1_ERASE_RESET          (1 << 1)
+#define R1_ILLEGAL_COMMAND      (1 << 2)
+#define R1_COM_CRC_ERROR        (1 << 3)
+#define R1_ERASE_SEQUENCE_ERROR (1 << 4)
+#define R1_ADDRESS_ERROR        (1 << 5)
+#define R1_PARAMETER_ERROR      (1 << 6)
+
+// Types
+//  - v1.x Standard Capacity
+//  - v2.x Standard Capacity
+//  - v2.x High Capacity
+//  - Not recognised as an SD Card
+#define SDCARD_FAIL 0
+#define SDCARD_V1   1
+#define SDCARD_V2   2
+#define SDCARD_V2HC 3
+
+int SDFileSystem::initialise_card() {
+    // Set to 100kHz for initialisation, and clock card with cs = 1
+    _spi.frequency(100000);
+    _cs = 1;
+    for (int i = 0; i < 16; i++) {
+        _spi.write(0xFF);
+    }
+    
+    // send CMD0, should return with all zeros except IDLE STATE set (bit 0)
+    if (_cmd(0, 0) != R1_IDLE_STATE) {
+        debug("No disk, or could not put SD card in to SPI idle state\n");
+        return SDCARD_FAIL;
+    }
+    
+    // send CMD8 to determine whther it is ver 2.x
+    int r = _cmd8();
+    if (r == R1_IDLE_STATE) {
+        return initialise_card_v2();
+    } else if (r == (R1_IDLE_STATE | R1_ILLEGAL_COMMAND)) {
+        return initialise_card_v1();
+    } else {
+        debug("Not in idle state after sending CMD8 (not an SD card?)\n");
+        return SDCARD_FAIL;
+    }
+}
+
+int SDFileSystem::initialise_card_v1() {
+    for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
+        _cmd(55, 0);
+        if (_cmd(41, 0) == 0) {
+            cdv = 512;
+            debug_if(SD_DBG, "\n\rInit: SEDCARD_V1\n\r");
+            return SDCARD_V1;
+        }
+    }
+    
+    debug("Timeout waiting for v1.x card\n");
+    return SDCARD_FAIL;
+}
+
+int SDFileSystem::initialise_card_v2() {
+    for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
+        wait_ms(50);
+        _cmd58();
+        _cmd(55, 0);
+        if (_cmd(41, 0x40000000) == 0) {
+            _cmd58();
+            debug_if(SD_DBG, "\n\rInit: SDCARD_V2\n\r");
+            cdv = 1;
+            return SDCARD_V2;
+        }
+    }
+    
+    debug("Timeout waiting for v2.x card\n");
+    return SDCARD_FAIL;
+}
+
+int SDFileSystem::disk_initialize() {
+    int i = initialise_card();
+    debug_if(SD_DBG, "init card = %d\n", i);
+    _sectors = _sd_sectors();
+    
+    // Set block length to 512 (CMD16)
+    if (_cmd(16, 512) != 0) {
+        debug("Set 512-byte block timed out\n");
+        return 1;
+    }
+    
+    _spi.frequency(1000000); // Set to 1MHz for data transfer
+    return 0;
+}
+
+int SDFileSystem::disk_write(const uint8_t *buffer, uint64_t block_number) {
+    // set write address for single block (CMD24)
+    if (_cmd(24, block_number * cdv) != 0) {
+        return 1;
+    }
+    
+    // send the data block
+    _write(buffer, 512);
+    return 0;
+}
+
+int SDFileSystem::disk_read(uint8_t *buffer, uint64_t block_number) {
+    // set read address for single block (CMD17)
+    if (_cmd(17, block_number * cdv) != 0) {
+        return 1;
+    }
+    
+    // receive the data
+    _read(buffer, 512);
+    return 0;
+}
+
+int SDFileSystem::disk_status() { return 0; }
+int SDFileSystem::disk_sync() { return 0; }
+uint64_t SDFileSystem::disk_sectors() { return _sectors; }
+
+
+// PRIVATE FUNCTIONS
+int SDFileSystem::_cmd(int cmd, int arg) {
+    _cs = 0;
+    
+    // send a command
+    _spi.write(0x40 | cmd);
+    _spi.write(arg >> 24);
+    _spi.write(arg >> 16);
+    _spi.write(arg >> 8);
+    _spi.write(arg >> 0);
+    _spi.write(0x95);
+    
+    // wait for the repsonse (response[7] == 0)
+    for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
+        int response = _spi.write(0xFF);
+        if (!(response & 0x80)) {
+            _cs = 1;
+            _spi.write(0xFF);
+            return response;
+        }
+    }
+    _cs = 1;
+    _spi.write(0xFF);
+    return -1; // timeout
+}
+int SDFileSystem::_cmdx(int cmd, int arg) {
+    _cs = 0;
+    
+    // send a command
+    _spi.write(0x40 | cmd);
+    _spi.write(arg >> 24);
+    _spi.write(arg >> 16);
+    _spi.write(arg >> 8);
+    _spi.write(arg >> 0);
+    _spi.write(0x95);
+    
+    // wait for the repsonse (response[7] == 0)
+    for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
+        int response = _spi.write(0xFF);
+        if (!(response & 0x80)) {
+            return response;
+        }
+    }
+    _cs = 1;
+    _spi.write(0xFF);
+    return -1; // timeout
+}
+
+
+int SDFileSystem::_cmd58() {
+    _cs = 0;
+    int arg = 0;
+    
+    // send a command
+    _spi.write(0x40 | 58);
+    _spi.write(arg >> 24);
+    _spi.write(arg >> 16);
+    _spi.write(arg >> 8);
+    _spi.write(arg >> 0);
+    _spi.write(0x95);
+    
+    // wait for the repsonse (response[7] == 0)
+    for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
+        int response = _spi.write(0xFF);
+        if (!(response & 0x80)) {
+            int ocr = _spi.write(0xFF) << 24;
+            ocr |= _spi.write(0xFF) << 16;
+            ocr |= _spi.write(0xFF) << 8;
+            ocr |= _spi.write(0xFF) << 0;
+            _cs = 1;
+            _spi.write(0xFF);
+            return response;
+        }
+    }
+    _cs = 1;
+    _spi.write(0xFF);
+    return -1; // timeout
+}
+
+int SDFileSystem::_cmd8() {
+    _cs = 0;
+    
+    // send a command
+    _spi.write(0x40 | 8); // CMD8
+    _spi.write(0x00);     // reserved
+    _spi.write(0x00);     // reserved
+    _spi.write(0x01);     // 3.3v
+    _spi.write(0xAA);     // check pattern
+    _spi.write(0x87);     // crc
+    
+    // wait for the repsonse (response[7] == 0)
+    for (int i = 0; i < SD_COMMAND_TIMEOUT * 1000; i++) {
+        char response[5];
+        response[0] = _spi.write(0xFF);
+        if (!(response[0] & 0x80)) {
+            for (int j = 1; j < 5; j++) {
+                response[i] = _spi.write(0xFF);
+            }
+            _cs = 1;
+            _spi.write(0xFF);
+            return response[0];
+        }
+    }
+    _cs = 1;
+    _spi.write(0xFF);
+    return -1; // timeout
+}
+
+int SDFileSystem::_read(uint8_t *buffer, uint32_t length) {
+    _cs = 0;
+    
+    // read until start byte (0xFF)
+    while (_spi.write(0xFF) != 0xFE);
+    
+    // read data
+    for (int i = 0; i < length; i++) {
+        buffer[i] = _spi.write(0xFF);
+    }
+    _spi.write(0xFF); // checksum
+    _spi.write(0xFF);
+    
+    _cs = 1;
+    _spi.write(0xFF);
+    return 0;
+}
+
+int SDFileSystem::_write(const uint8_t*buffer, uint32_t length) {
+    _cs = 0;
+    
+    // indicate start of block
+    _spi.write(0xFE);
+    
+    // write the data
+    for (int i = 0; i < length; i++) {
+        _spi.write(buffer[i]);
+    }
+    
+    // write the checksum
+    _spi.write(0xFF);
+    _spi.write(0xFF);
+    
+    // check the response token
+    if ((_spi.write(0xFF) & 0x1F) != 0x05) {
+        _cs = 1;
+        _spi.write(0xFF);
+        return 1;
+    }
+    
+    // wait for write to finish
+    while (_spi.write(0xFF) == 0);
+    
+    _cs = 1;
+    _spi.write(0xFF);
+    return 0;
+}
+
+static uint32_t ext_bits(unsigned char *data, int msb, int lsb) {
+    uint32_t bits = 0;
+    uint32_t size = 1 + msb - lsb;
+    for (int i = 0; i < size; i++) {
+        uint32_t position = lsb + i;
+        uint32_t byte = 15 - (position >> 3);
+        uint32_t bit = position & 0x7;
+        uint32_t value = (data[byte] >> bit) & 1;
+        bits |= value << i;
+    }
+    return bits;
+}
+
+uint64_t SDFileSystem::_sd_sectors() {
+    uint32_t c_size, c_size_mult, read_bl_len;
+    uint32_t block_len, mult, blocknr, capacity;
+    uint32_t hc_c_size;
+    uint64_t blocks;
+    
+    // CMD9, Response R2 (R1 byte + 16-byte block read)
+    if (_cmdx(9, 0) != 0) {
+        debug("Didn't get a response from the disk\n");
+        return 0;
+    }
+    
+    uint8_t csd[16];
+    if (_read(csd, 16) != 0) {
+        debug("Couldn't read csd response from disk\n");
+        return 0;
+    }
+    
+    // csd_structure : csd[127:126]
+    // c_size        : csd[73:62]
+    // c_size_mult   : csd[49:47]
+    // read_bl_len   : csd[83:80] - the *maximum* read block length
+    
+    int csd_structure = ext_bits(csd, 127, 126);
+    
+    switch (csd_structure) {
+        case 0:
+            cdv = 512;
+            c_size = ext_bits(csd, 73, 62);
+            c_size_mult = ext_bits(csd, 49, 47);
+            read_bl_len = ext_bits(csd, 83, 80);
+            
+            block_len = 1 << read_bl_len;
+            mult = 1 << (c_size_mult + 2);
+            blocknr = (c_size + 1) * mult;
+            capacity = blocknr * block_len;
+            blocks = capacity / 512;
+            debug_if(SD_DBG, "\n\rSDCard\n\rc_size: %d \n\rcapacity: %ld \n\rsectors: %lld\n\r", c_size, capacity, blocks);
+            break;
+        
+        case 1:
+            cdv = 1;
+            hc_c_size = ext_bits(csd, 63, 48);
+            blocks = (hc_c_size+1)*1024;
+            debug_if(SD_DBG, "\n\rSDHC Card \n\rhc_c_size: %d\n\rcapacity: %lld \n\rsectors: %lld\n\r", hc_c_size, blocks*512, blocks);
+            break;
+        
+        default:
+            debug("CSD struct unsupported\r\n");
+            return 0;
+    };
+    return blocks;
+}
diff --git a/libraries/fs/sd/SDFileSystem.h b/libraries/fs/sd/SDFileSystem.h
new file mode 100644
index 0000000000..f11c69c34a
--- /dev/null
+++ b/libraries/fs/sd/SDFileSystem.h
@@ -0,0 +1,82 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef MBED_SDFILESYSTEM_H
+#define MBED_SDFILESYSTEM_H
+
+#include "mbed.h"
+#include "FATFileSystem.h"
+#include 
+
+/** Access the filesystem on an SD Card using SPI
+ *
+ * @code
+ * #include "mbed.h"
+ * #include "SDFileSystem.h"
+ *
+ * SDFileSystem sd(p5, p6, p7, p12, "sd"); // mosi, miso, sclk, cs
+ *  
+ * int main() {
+ *     FILE *fp = fopen("/sd/myfile.txt", "w");
+ *     fprintf(fp, "Hello World!\n");
+ *     fclose(fp);
+ * }
+ */
+class SDFileSystem : public FATFileSystem {
+public:
+
+    /** Create the File System for accessing an SD Card using SPI
+     *
+     * @param mosi SPI mosi pin connected to SD Card
+     * @param miso SPI miso pin conencted to SD Card
+     * @param sclk SPI sclk pin connected to SD Card
+     * @param cs   DigitalOut pin used as SD Card chip select
+     * @param name The name used to access the virtual filesystem
+     */
+    SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name);
+    virtual int disk_initialize();
+    virtual int disk_status();
+    virtual int disk_read(uint8_t * buffer, uint64_t block_number);
+    virtual int disk_write(const uint8_t * buffer, uint64_t block_number);
+    virtual int disk_sync();
+    virtual uint64_t disk_sectors();
+
+protected:
+
+    int _cmd(int cmd, int arg);
+    int _cmdx(int cmd, int arg);
+    int _cmd8();
+    int _cmd58();
+    int initialise_card();
+    int initialise_card_v1();
+    int initialise_card_v2();
+    
+    int _read(uint8_t * buffer, uint32_t length);
+    int _write(const uint8_t *buffer, uint32_t length);
+    uint64_t _sd_sectors();
+    uint64_t _sectors;
+    
+    SPI _spi;
+    DigitalOut _cs;
+    int cdv;
+};
+
+#endif
diff --git a/libraries/mbed/capi/analogin_api.h b/libraries/mbed/capi/analogin_api.h
new file mode 100644
index 0000000000..98d02c1b82
--- /dev/null
+++ b/libraries/mbed/capi/analogin_api.h
@@ -0,0 +1,39 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_ANALOGIN_API_H
+#define MBED_ANALOGIN_API_H
+
+#include "device.h"
+
+#if DEVICE_ANALOGIN
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct analogin_s analogin_t;
+
+void     analogin_init    (analogin_t *obj, PinName pin);
+float    analogin_read    (analogin_t *obj);
+uint16_t analogin_read_u16(analogin_t *obj);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/analogout_api.h b/libraries/mbed/capi/analogout_api.h
new file mode 100644
index 0000000000..97a2013762
--- /dev/null
+++ b/libraries/mbed/capi/analogout_api.h
@@ -0,0 +1,42 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_ANALOGOUT_API_H
+#define MBED_ANALOGOUT_API_H
+
+#include "device.h"
+
+#if DEVICE_ANALOGOUT
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct dac_s dac_t;
+
+void     analogout_init     (dac_t *obj, PinName pin);
+void     analogout_free     (dac_t *obj);
+void     analogout_write    (dac_t *obj, float value);
+void     analogout_write_u16(dac_t *obj, uint16_t value);
+float    analogout_read     (dac_t *obj);
+uint16_t analogout_read_u16 (dac_t *obj);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/can_api.h b/libraries/mbed/capi/can_api.h
new file mode 100644
index 0000000000..b681cae90c
--- /dev/null
+++ b/libraries/mbed/capi/can_api.h
@@ -0,0 +1,49 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_CAN_API_H
+#define MBED_CAN_API_H
+
+#include "device.h"
+
+#if DEVICE_CAN
+
+#include "PinNames.h"
+#include "PeripheralNames.h"
+#include "can_helper.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct can_s can_t;
+
+void          can_init     (can_t *obj, PinName rd, PinName td);
+void          can_free     (can_t *obj);
+int           can_frequency(can_t *obj, int hz);
+int           can_write    (can_t *obj, CAN_Message, int cc);
+int           can_read     (can_t *obj, CAN_Message *msg);
+void          can_reset    (can_t *obj);
+unsigned char can_rderror  (can_t *obj);
+unsigned char can_tderror  (can_t *obj);
+void          can_monitor  (can_t *obj, int silent);
+
+#ifdef __cplusplus
+};
+#endif
+
+#endif    // MBED_CAN_API_H
+
+#endif
diff --git a/libraries/mbed/capi/can_helper.h b/libraries/mbed/capi/can_helper.h
new file mode 100644
index 0000000000..45aa231dc5
--- /dev/null
+++ b/libraries/mbed/capi/can_helper.h
@@ -0,0 +1,52 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_CAN_HELPER_H
+#define MBED_CAN_HELPER_H
+
+#if DEVICE_CAN
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum CANFormat {
+    CANStandard = 0,
+    CANExtended = 1
+};
+typedef enum CANFormat CANFormat;
+
+enum CANType {
+    CANData   = 0,
+    CANRemote = 1
+};
+typedef enum CANType CANType;
+
+struct CAN_Message {
+    unsigned int   id;                 // 29 bit identifier
+    unsigned char  data[8];            // Data field
+    unsigned char  len;                // Length of data field in bytes
+    CANFormat      format;             // 0 - STANDARD, 1- EXTENDED IDENTIFIER
+    CANType        type;               // 0 - DATA FRAME, 1 - REMOTE FRAME
+};
+typedef struct CAN_Message CAN_Message;
+
+#ifdef __cplusplus
+};
+#endif
+
+#endif
+
+#endif // MBED_CAN_HELPER_H
diff --git a/libraries/mbed/capi/error.h b/libraries/mbed/capi/error.h
new file mode 100644
index 0000000000..d8f576009a
--- /dev/null
+++ b/libraries/mbed/capi/error.h
@@ -0,0 +1,66 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_ERROR_H
+#define MBED_ERROR_H
+
+/** To generate a fatal compile-time error, you can use the pre-processor #error directive.
+ *
+ * @code
+ * #error "That shouldn't have happened!"
+ * @endcode
+ *
+ * If the compiler evaluates this line, it will report the error and stop the compile.
+ *
+ * For example, you could use this to check some user-defined compile-time variables:
+ *
+ * @code
+ * #define NUM_PORTS 7
+ * #if (NUM_PORTS > 4)
+ *     #error "NUM_PORTS must be less than 4"
+ * #endif
+ * @endcode
+ *
+ * Reporting Run-Time Errors:
+ * To generate a fatal run-time error, you can use the mbed error() function.
+ *
+ * @code
+ * error("That shouldn't have happened!");
+ * @endcode
+ *
+ * If the mbed running the program executes this function, it will print the
+ * message via the USB serial port, and then die with the blue lights of death!
+ *
+ * The message can use printf-style formatting, so you can report variables in the
+ * message too. For example, you could use this to check a run-time condition:
+ *
+ * @code
+ * if(x >= 5) {
+ *     error("expected x to be less than 5, but got %d", x);
+ * }
+ * #endcode
+ */
+
+#include 
+#include "device.h"
+
+#ifdef DEVICE_STDIO_MESSAGES
+    #include 
+    #define error(...) (fprintf(stderr, __VA_ARGS__), exit(1))
+#else
+    #define error(...) (exit(1))
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/ethernet_api.h b/libraries/mbed/capi/ethernet_api.h
new file mode 100644
index 0000000000..4cae77e132
--- /dev/null
+++ b/libraries/mbed/capi/ethernet_api.h
@@ -0,0 +1,63 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_ETHERNET_API_H
+#define MBED_ETHERNET_API_H
+
+#include "device.h"
+
+#if DEVICE_ETHERNET
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Connection constants
+
+int ethernet_init(void);
+void ethernet_free(void);
+
+// write size bytes from data to ethernet buffer
+// return num bytes written
+// or -1 if size is too big
+int ethernet_write(const char *data, int size);
+
+// send ethernet write buffer, returning the packet size sent
+int ethernet_send(void);
+
+// recieve from ethernet buffer, returning packet size, or 0 if no packet
+int ethernet_receive(void);
+
+// read size bytes in to data, return actual num bytes read (0..size)
+// if data == NULL, throw the bytes away
+int ethernet_read(char *data, int size);
+
+// get the ethernet address
+void ethernet_address(char *mac);
+
+// see if the link is up
+int ethernet_link(void);
+
+// force link settings
+void ethernet_set_link(int speed, int duplex);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
+
diff --git a/libraries/mbed/capi/exit.c b/libraries/mbed/capi/exit.c
new file mode 100644
index 0000000000..c2361f21bf
--- /dev/null
+++ b/libraries/mbed/capi/exit.c
@@ -0,0 +1,30 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "semihost_api.h"
+#include "mbed_interface.h"
+
+void exit(int return_code) {
+#if DEVICE_SEMIHOST
+    if (mbed_interface_connected()) {
+        semihost_exit();
+    }
+#endif
+    if (return_code) {
+        mbed_die();
+    }
+
+    while (1);
+}
diff --git a/libraries/mbed/capi/gpio_api.h b/libraries/mbed/capi/gpio_api.h
new file mode 100644
index 0000000000..e254893a66
--- /dev/null
+++ b/libraries/mbed/capi/gpio_api.h
@@ -0,0 +1,40 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_GPIO_API_H
+#define MBED_GPIO_API_H
+
+#include "device.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Set the given pin as GPIO
+ * @param pin The pin to be set as GPIO
+ * @return The GPIO port mask for this pin
+ **/
+uint32_t gpio_set(PinName pin);
+
+/* GPIO object */
+void gpio_init(gpio_t *obj, PinName pin, PinDirection direction);
+void gpio_mode(gpio_t *obj, PinMode mode);
+void gpio_dir (gpio_t *obj, PinDirection direction);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/gpio_irq_api.h b/libraries/mbed/capi/gpio_irq_api.h
new file mode 100644
index 0000000000..2eadb4f584
--- /dev/null
+++ b/libraries/mbed/capi/gpio_irq_api.h
@@ -0,0 +1,47 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_GPIO_IRQ_API_H
+#define MBED_GPIO_IRQ_API_H
+
+#include "device.h"
+
+#if DEVICE_INTERRUPTIN
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    IRQ_NONE,
+    IRQ_RISE,
+    IRQ_FALL
+} gpio_irq_event;
+
+typedef struct gpio_irq_s gpio_irq_t;
+
+typedef void (*gpio_irq_handler)(uint32_t id, gpio_irq_event event);
+
+int  gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id);
+void gpio_irq_free(gpio_irq_t *obj);
+void gpio_irq_set (gpio_irq_t *obj, gpio_irq_event event, uint32_t enable);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/i2c_api.h b/libraries/mbed/capi/i2c_api.h
new file mode 100644
index 0000000000..f0bbaaef43
--- /dev/null
+++ b/libraries/mbed/capi/i2c_api.h
@@ -0,0 +1,53 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_I2C_API_H
+#define MBED_I2C_API_H
+
+#include "device.h"
+
+#if DEVICE_I2C
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct i2c_s i2c_t;
+
+void i2c_init         (i2c_t *obj, PinName sda, PinName scl);
+void i2c_frequency    (i2c_t *obj, int hz);
+int  i2c_start        (i2c_t *obj);
+void i2c_stop         (i2c_t *obj);
+int  i2c_read         (i2c_t *obj, int address, char *data, int length, int stop);
+int  i2c_write        (i2c_t *obj, int address, const char *data, int length, int stop);
+void i2c_reset        (i2c_t *obj);
+int  i2c_byte_read    (i2c_t *obj, int last);
+int  i2c_byte_write   (i2c_t *obj, int data);
+
+#if DEVICE_I2CSLAVE
+void i2c_slave_mode   (i2c_t *obj, int enable_slave);
+int  i2c_slave_receive(i2c_t *obj);
+int  i2c_slave_read   (i2c_t *obj, char *data, int length);
+int  i2c_slave_write  (i2c_t *obj, const char *data, int length);
+void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/mbed_debug.h b/libraries/mbed/capi/mbed_debug.h
new file mode 100644
index 0000000000..48892c5175
--- /dev/null
+++ b/libraries/mbed/capi/mbed_debug.h
@@ -0,0 +1,66 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_DEBUG_H
+#define MBED_DEBUG_H
+#include "device.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef DEVICE_STDIO_MESSAGES
+#include 
+#include 
+
+/** Output a debug message
+ *
+ * @param format printf-style format string, followed by variables
+ */
+static inline void debug(const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    vfprintf(stderr, format, args);
+    va_end(args);
+}
+
+/** Conditionally output a debug message
+ *
+ * NOTE: If the condition is constant false (!= 1) and the compiler optimization
+ * level is greater than 0, then the whole function will be compiled away.
+ *
+ * @param condition output only if condition is true (== 1)
+ * @param format printf-style format string, followed by variables
+ */
+static inline void debug_if(int condition, const char *format, ...) {
+    if (condition == 1) {
+        va_list args;
+        va_start(args, format);
+        vfprintf(stderr, format, args);
+        va_end(args);
+    }
+}
+
+#else
+static inline void debug(const char *format, ...) {}
+static inline void debug_if(int condition, const char *format, ...) {}
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/mbed_interface.c b/libraries/mbed/capi/mbed_interface.c
new file mode 100644
index 0000000000..5e0d0dd4a1
--- /dev/null
+++ b/libraries/mbed/capi/mbed_interface.c
@@ -0,0 +1,107 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include 
+#include "mbed_interface.h"
+
+#include "gpio_api.h"
+#include "wait_api.h"
+#include "semihost_api.h"
+#include "error.h"
+#include "toolchain.h"
+
+#if DEVICE_SEMIHOST
+
+// return true if a debugger is attached, indicating mbed interface is connected
+int mbed_interface_connected(void) {
+    return semihost_connected();
+}
+
+int mbed_interface_reset(void) {
+    if (mbed_interface_connected()) {
+        semihost_reset();
+        return 0;
+    } else {
+        return -1;
+    }
+}
+
+WEAK int mbed_interface_uid(char *uid);
+WEAK int mbed_interface_uid(char *uid) {
+    if (mbed_interface_connected()) {
+        return semihost_uid(uid); // Returns 0 if successful, -1 on failure
+    } else {
+        uid[0] = 0;
+        return -1;
+    }
+}
+
+int mbed_interface_disconnect(void) {
+    if (mbed_interface_connected()) {
+        return semihost_disabledebug();
+    } else {
+        return -1;
+    }
+}
+
+int mbed_interface_powerdown(void) {
+    if (mbed_interface_connected()) {
+        return semihost_powerdown();
+    } else {
+        return -1;
+    }
+}
+
+// for backward compatibility
+void mbed_reset(void) {
+    mbed_interface_reset();
+}
+
+WEAK int mbed_uid(char *uid);
+WEAK int mbed_uid(char *uid) {
+    return mbed_interface_uid(uid);
+}
+#endif
+
+WEAK void mbed_mac_address(char *mac);
+WEAK void mbed_mac_address(char *mac) {
+#if DEVICE_SEMIHOST
+    char uid[DEVICE_ID_LENGTH + 1];
+    int i;
+    
+    // if we have a UID, extract the MAC
+    if (mbed_interface_uid(uid) == 0) {
+        char *p = uid;
+#if defined(DEVICE_MAC_OFFSET)
+        p += DEVICE_MAC_OFFSET;
+#endif
+        for (i=0; i<6; i++) {
+            int byte;
+            sscanf(p, "%2x", &byte);
+            mac[i] = byte;
+            p += 2;
+        }
+    } else {  // else return a default MAC
+#endif
+        mac[0] = 0x00;
+        mac[1] = 0x02;
+        mac[2] = 0xF7;
+        mac[3] = 0xF0;
+        mac[4] = 0x00;
+        mac[5] = 0x00;
+#if DEVICE_SEMIHOST
+    }
+#endif
+}
diff --git a/libraries/mbed/capi/mbed_interface.h b/libraries/mbed/capi/mbed_interface.h
new file mode 100644
index 0000000000..d51b7f48f6
--- /dev/null
+++ b/libraries/mbed/capi/mbed_interface.h
@@ -0,0 +1,101 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_INTERFACE_H
+#define MBED_INTERFACE_H
+
+#include "device.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if DEVICE_SEMIHOST
+
+/** Functions to control the mbed interface
+ *
+ * mbed Microcontrollers have a built-in interface to provide functionality such as
+ * drag-n-drop download, reset, serial-over-usb, and access to the mbed local file
+ * system. These functions provide means to control the interface suing semihost
+ * calls it supports.
+ */
+
+/** Determine whether the mbed interface is connected, based on whether debug is enabled
+ *
+ *  @returns
+ *    1 if interface is connected,
+ *    0 otherwise
+ */
+int mbed_interface_connected(void);
+
+/** Instruct the mbed interface to reset, as if the reset button had been pressed
+ *
+ *  @returns
+ *    1 if successful,
+ *    0 otherwise (e.g. interface not present)
+ */
+int mbed_interface_reset(void);
+
+/** This will disconnect the debug aspect of the interface, so semihosting will be disabled.
+ * The interface will still support the USB serial aspect
+ *
+ *  @returns
+ *    0 if successful,
+ *   -1 otherwise (e.g. interface not present)
+ */
+int mbed_interface_disconnect(void);
+
+/** This will disconnect the debug aspect of the interface, and if the USB cable is not
+ * connected, also power down the interface. If the USB cable is connected, the interface
+ * will remain powered up and visible to the host
+ *
+ *  @returns
+ *    0 if successful,
+ *   -1 otherwise (e.g. interface not present)
+ */
+int mbed_interface_powerdown(void);
+
+/** This returns a string containing the 32-character UID of the mbed interface
+ *  This is a weak function that can be overwritten if required
+ *
+ *  @param uid A 33-byte array to write the null terminated 32-byte string
+ *
+ *  @returns
+ *    0 if successful,
+ *   -1 otherwise (e.g. interface not present)
+ */
+int mbed_interface_uid(char *uid);
+
+#endif
+
+/** This returns a unique 6-byte MAC address, based on the interface UID
+ * If the interface is not present, it returns a default fixed MAC address (00:02:F7:F0:00:00)
+ *
+ * This is a weak function that can be overwritten if you want to provide your own mechanism to
+ * provide a MAC address.
+ *
+ *  @param mac A 6-byte array to write the MAC address
+ */
+void mbed_mac_address(char *mac);
+
+/** Cause the mbed to flash the BLOD (Blue LEDs Of Death) sequence
+ */
+void mbed_die(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/pinmap.h b/libraries/mbed/capi/pinmap.h
new file mode 100644
index 0000000000..77e2a8b175
--- /dev/null
+++ b/libraries/mbed/capi/pinmap.h
@@ -0,0 +1,44 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PINMAP_H
+#define MBED_PINMAP_H
+
+#include "PinNames.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+PinName parse_pins(const char *str);
+
+typedef struct {
+    PinName pin;
+    int peripheral;
+    int function;
+} PinMap;
+
+void pin_function(PinName pin, int function);
+void pin_mode    (PinName pin, PinMode mode);
+
+uint32_t pinmap_peripheral(PinName pin, const PinMap* map);
+uint32_t pinmap_merge     (uint32_t a, uint32_t b);
+void     pinmap_pinout    (PinName pin, const PinMap *map);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/pinmap_common.c b/libraries/mbed/capi/pinmap_common.c
new file mode 100644
index 0000000000..a75f5f6a2b
--- /dev/null
+++ b/libraries/mbed/capi/pinmap_common.c
@@ -0,0 +1,59 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "pinmap.h"
+#include "error.h"
+
+void pinmap_pinout(PinName pin, const PinMap *map) {
+    if (pin == NC) return;
+
+    while (map->pin != NC) {
+        if (map->pin == pin) {
+            pin_function(pin, map->function);
+            pin_mode(pin, PullNone);
+            return;
+        }
+        map++;
+    }
+    error("could not pinout");
+}
+
+uint32_t pinmap_merge(uint32_t a, uint32_t b) {
+    // both are the same (inc both NC)
+    if (a == b) return a;
+
+    // one (or both) is not connected
+    if (a == (uint32_t)NC) return b;
+    if (b == (uint32_t)NC) return a;
+
+    // mis-match error case
+    error("pinmap mis-match");
+    return (uint32_t)NC;
+}
+
+uint32_t pinmap_peripheral(PinName pin, const PinMap* map) {
+    if (pin == (uint32_t)NC)
+        return (uint32_t)NC;
+
+    while (map->pin != NC) {
+        if (map->pin == pin)
+            return map->peripheral;
+        map++;
+    }
+
+    // no mapping available
+    error("pinmap not found for peripheral");
+    return (uint32_t)NC;
+}
diff --git a/libraries/mbed/capi/port_api.h b/libraries/mbed/capi/port_api.h
new file mode 100644
index 0000000000..f687cfe89a
--- /dev/null
+++ b/libraries/mbed/capi/port_api.h
@@ -0,0 +1,42 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PORTMAP_H
+#define MBED_PORTMAP_H
+
+#include "device.h"
+
+#if DEVICE_PORTIN || DEVICE_PORTOUT
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct port_s port_t;
+
+PinName port_pin(PortName port, int pin_n);
+
+void port_init (port_t *obj, PortName port, int mask, PinDirection dir);
+void port_mode (port_t *obj, PinMode mode);
+void port_dir  (port_t *obj, PinDirection dir);
+void port_write(port_t *obj, int value);
+int  port_read (port_t *obj);
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/pwmout_api.h b/libraries/mbed/capi/pwmout_api.h
new file mode 100644
index 0000000000..6557fcdc49
--- /dev/null
+++ b/libraries/mbed/capi/pwmout_api.h
@@ -0,0 +1,49 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PWMOUT_API_H
+#define MBED_PWMOUT_API_H
+
+#include "device.h"
+
+#if DEVICE_PWMOUT
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct pwmout_s pwmout_t;
+
+void pwmout_init         (pwmout_t* obj, PinName pin);
+void pwmout_free         (pwmout_t* obj);
+
+void  pwmout_write       (pwmout_t* obj, float percent);
+float pwmout_read        (pwmout_t* obj);
+
+void pwmout_period       (pwmout_t* obj, float seconds);
+void pwmout_period_ms    (pwmout_t* obj, int ms);
+void pwmout_period_us    (pwmout_t* obj, int us);
+
+void pwmout_pulsewidth   (pwmout_t* obj, float seconds);
+void pwmout_pulsewidth_ms(pwmout_t* obj, int ms);
+void pwmout_pulsewidth_us(pwmout_t* obj, int us);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/rtc_api.h b/libraries/mbed/capi/rtc_api.h
new file mode 100644
index 0000000000..663f8884fe
--- /dev/null
+++ b/libraries/mbed/capi/rtc_api.h
@@ -0,0 +1,42 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_RTC_API_H
+#define MBED_RTC_API_H
+
+#include "device.h"
+
+#if DEVICE_RTC
+
+#include 
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void rtc_init(void);
+void rtc_free(void);
+int rtc_isenabled(void);
+
+time_t rtc_read(void);
+void rtc_write(time_t t);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/rtc_time.c b/libraries/mbed/capi/rtc_time.c
new file mode 100644
index 0000000000..99d11a1b02
--- /dev/null
+++ b/libraries/mbed/capi/rtc_time.c
@@ -0,0 +1,55 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "rtc_api.h"
+
+#include 
+#include "rtc_time.h"
+#include "us_ticker_api.h"
+
+#if defined (__ICCARM__)
+time_t __time32(time_t *timer)
+#else
+time_t time(time_t *timer)
+#endif
+{
+#if DEVICE_RTC
+    if (!(rtc_isenabled())) {
+        set_time(0);
+    }
+    time_t t = rtc_read();
+
+#else
+    time_t t = 0;
+#endif
+
+    if (timer != NULL) {
+        *timer = t;
+    }
+    return t;
+}
+
+void set_time(time_t t) {
+#if DEVICE_RTC
+    rtc_init();
+    rtc_write(t);
+#endif
+}
+
+clock_t clock() {
+    clock_t t = us_ticker_read();
+    t /= 1000000 / CLOCKS_PER_SEC; // convert to processor time
+    return t;
+}
diff --git a/libraries/mbed/capi/rtc_time.h b/libraries/mbed/capi/rtc_time.h
new file mode 100644
index 0000000000..59ab8fd367
--- /dev/null
+++ b/libraries/mbed/capi/rtc_time.h
@@ -0,0 +1,74 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include 
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Implementation of the C time.h functions
+ *
+ * Provides mechanisms to set and read the current time, based
+ * on the microcontroller Real-Time Clock (RTC), plus some
+ * standard C manipulation and formating functions.
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ *
+ * int main() {
+ *     set_time(1256729737);  // Set RTC time to Wed, 28 Oct 2009 11:35:37
+ *
+ *     while(1) {
+ *         time_t seconds = time(NULL);
+ *
+ *         printf("Time as seconds since January 1, 1970 = %d\n", seconds);
+ *
+ *         printf("Time as a basic string = %s", ctime(&seconds));
+ *
+ *         char buffer[32];
+ *         strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds));
+ *         printf("Time as a custom formatted string = %s", buffer);
+ *
+ *         wait(1);
+ *     }
+ * }
+ * @endcode
+ */
+
+/** Set the current time
+ *
+ * Initialises and sets the time of the microcontroller Real-Time Clock (RTC)
+ * to the time represented by the number of seconds since January 1, 1970
+ * (the UNIX timestamp).
+ *
+ * @param t Number of seconds since January 1, 1970 (the UNIX timestamp)
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ *
+ * int main() {
+ *     set_time(1256729737); // Set time to Wed, 28 Oct 2009 11:35:37
+ * }
+ * @endcode
+ */
+void set_time(time_t t);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/libraries/mbed/capi/semihost_api.c b/libraries/mbed/capi/semihost_api.c
new file mode 100644
index 0000000000..a9750a7649
--- /dev/null
+++ b/libraries/mbed/capi/semihost_api.c
@@ -0,0 +1,156 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "cmsis.h"
+#include "semihost_api.h"
+
+#include 
+#include 
+
+#if DEVICE_SEMIHOST
+
+// ARM Semihosting Commands
+#define SYS_OPEN   (0x1)
+#define SYS_CLOSE  (0x2)
+#define SYS_WRITE  (0x5)
+#define SYS_READ   (0x6)
+#define SYS_ISTTY  (0x9)
+#define SYS_SEEK   (0xa)
+#define SYS_ENSURE (0xb)
+#define SYS_FLEN   (0xc)
+#define SYS_REMOVE (0xe)
+#define SYS_RENAME (0xf)
+#define SYS_EXIT   (0x18)
+
+// mbed Semihosting Commands
+#define RESERVED_FOR_USER_APPLICATIONS (0x100) // 0x100 - 0x1ff
+#define USR_XFFIND      (RESERVED_FOR_USER_APPLICATIONS + 0)
+#define USR_UID      (RESERVED_FOR_USER_APPLICATIONS + 1)
+#define USR_RESET     (RESERVED_FOR_USER_APPLICATIONS + 2)
+#define USR_VBUS     (RESERVED_FOR_USER_APPLICATIONS + 3)
+#define USR_POWERDOWN     (RESERVED_FOR_USER_APPLICATIONS + 4)
+#define USR_DISABLEDEBUG (RESERVED_FOR_USER_APPLICATIONS + 5)
+
+#if DEVICE_LOCALFILESYSTEM
+FILEHANDLE semihost_open(const char* name, int openmode) {
+    uint32_t args[3];
+    args[0] = (uint32_t)name;
+    args[1] = (uint32_t)openmode;
+    args[2] = (uint32_t)strlen(name);
+    return __semihost(SYS_OPEN, args);
+}
+
+int semihost_close(FILEHANDLE fh) {
+    return __semihost(SYS_CLOSE, &fh);
+}
+
+int semihost_write(FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode) {
+    if (length == 0) return 0;
+
+    uint32_t args[3];
+    args[0] = (uint32_t)fh;
+    args[1] = (uint32_t)buffer;
+    args[2] = (uint32_t)length;
+    return __semihost(SYS_WRITE, args);
+}
+
+int semihost_read(FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode) {
+    uint32_t args[3];
+    args[0] = (uint32_t)fh;
+    args[1] = (uint32_t)buffer;
+    args[2] = (uint32_t)length;
+    return __semihost(SYS_READ, args);
+}
+
+int semihost_istty(FILEHANDLE fh) {
+    return __semihost(SYS_ISTTY, &fh);
+}
+
+int semihost_seek(FILEHANDLE fh, long position) {
+    uint32_t args[2];
+    args[0] = (uint32_t)fh;
+    args[1] = (uint32_t)position;
+    return __semihost(SYS_SEEK, args);
+}
+
+int semihost_ensure(FILEHANDLE fh) {
+    return __semihost(SYS_ENSURE, &fh);
+}
+
+long semihost_flen(FILEHANDLE fh) {
+    return __semihost(SYS_FLEN, &fh);
+}
+
+int semihost_remove(const char *name) {
+    uint32_t args[2];
+    args[0] = (uint32_t)name;
+    args[1] = (uint32_t)strlen(name);
+    return __semihost(SYS_REMOVE, args);
+}
+
+int semihost_rename(const char *old_name, const char *new_name) {
+    uint32_t args[4];
+    args[0] = (uint32_t)old_name;
+    args[1] = (uint32_t)strlen(old_name);
+    args[0] = (uint32_t)new_name;
+    args[1] = (uint32_t)strlen(new_name);
+    return __semihost(SYS_RENAME, args);
+}
+#endif
+
+int semihost_exit(void) {
+    uint32_t args[4];
+    return __semihost(SYS_EXIT, args);
+}
+
+int semihost_uid(char *uid) {
+    uint32_t args[2];
+    args[0] = (uint32_t)uid;
+    args[1] = DEVICE_ID_LENGTH + 1;
+    return __semihost(USR_UID, &args);
+}
+
+int semihost_reset(void) {
+    // Does not normally return, however if used with older firmware versions
+    // that do not support this call it will return -1.
+    return __semihost(USR_RESET, NULL);
+}
+
+int semihost_vbus(void) {
+    return __semihost(USR_VBUS, NULL);
+}
+
+int semihost_powerdown(void) {
+    return __semihost(USR_POWERDOWN, NULL);
+}
+
+#if !(DEVICE_DEBUG_AWARENESS)
+// These processors cannot know if the interface is connect, assume so:
+static int is_debugger_attached = 1;
+
+int semihost_connected(void) {
+    return is_debugger_attached;
+}
+#endif
+
+int semihost_disabledebug(void) {
+#if !(DEVICE_DEBUG_AWARENESS)
+    is_debugger_attached = 0;
+#endif
+    return __semihost(USR_DISABLEDEBUG, NULL);
+}
+
+#endif
+
diff --git a/libraries/mbed/capi/semihost_api.h b/libraries/mbed/capi/semihost_api.h
new file mode 100644
index 0000000000..1d5444efe6
--- /dev/null
+++ b/libraries/mbed/capi/semihost_api.h
@@ -0,0 +1,93 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_SEMIHOST_H
+#define MBED_SEMIHOST_H
+
+#include "device.h"
+#include "toolchain.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if DEVICE_SEMIHOST
+
+#ifndef __CC_ARM
+
+#if defined(__ICCARM__)
+inline int __semihost(int reason, const void *arg) {
+    return __semihosting(reason, (void*)arg);
+}
+#else
+
+#ifdef __thumb__
+#   define AngelSWI            0xAB
+#   define AngelSWIInsn        "bkpt"
+#   define AngelSWIAsm          bkpt
+#else
+#   define AngelSWI            0x123456
+#   define AngelSWIInsn        "swi"
+#   define AngelSWIAsm          swi
+#endif
+
+inline int __semihost(int reason, const void *arg) {
+    int value;
+
+    asm volatile (
+       "mov r0, %1"          "\n\t"
+       "mov r1, %2"          "\n\t"
+       AngelSWIInsn " %a3"   "\n\t"
+       "mov %0, r0"
+       : "=r" (value)                                         /* output operands             */
+       : "r" (reason), "r" (arg), "i" (AngelSWI)              /* input operands              */
+       : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc"   /* list of clobbered registers */
+    );
+
+    return value;
+}
+#endif
+#endif
+
+#if DEVICE_LOCALFILESYSTEM
+FILEHANDLE semihost_open(const char* name, int openmode);
+int semihost_close (FILEHANDLE fh);
+int semihost_read  (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
+int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
+int semihost_ensure(FILEHANDLE fh);
+long semihost_flen (FILEHANDLE fh);
+int semihost_seek  (FILEHANDLE fh, long position);
+int semihost_istty (FILEHANDLE fh);
+
+int semihost_remove(const char *name);
+int semihost_rename(const char *old_name, const char *new_name);
+#endif
+
+int semihost_uid(char *uid);
+int semihost_reset(void);
+int semihost_vbus(void);
+int semihost_powerdown(void);
+int semihost_exit(void);
+
+int semihost_connected(void);
+int semihost_disabledebug(void);
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/serial_api.h b/libraries/mbed/capi/serial_api.h
new file mode 100644
index 0000000000..c93fc347c4
--- /dev/null
+++ b/libraries/mbed/capi/serial_api.h
@@ -0,0 +1,66 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_SERIAL_API_H
+#define MBED_SERIAL_API_H
+
+#include "device.h"
+
+#if DEVICE_SERIAL
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    ParityNone = 0,
+    ParityOdd = 1,
+    ParityEven = 2,
+    ParityForced1 = 3,
+    ParityForced0 = 4
+} SerialParity;
+
+typedef enum {
+    RxIrq,
+    TxIrq
+} SerialIrq;
+
+typedef void (*uart_irq_handler)(uint32_t id, SerialIrq event);
+
+typedef struct serial_s serial_t;
+
+void serial_init       (serial_t *obj, PinName tx, PinName rx);
+void serial_free       (serial_t *obj);
+void serial_baud       (serial_t *obj, int baudrate);
+void serial_format     (serial_t *obj, int data_bits, SerialParity parity, int stop_bits);
+
+void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id);
+void serial_irq_set    (serial_t *obj, SerialIrq irq, uint32_t enable);
+
+int  serial_getc       (serial_t *obj);
+void serial_putc       (serial_t *obj, int c);
+int  serial_readable   (serial_t *obj);
+int  serial_writable   (serial_t *obj);
+void serial_clear      (serial_t *obj);
+
+void serial_pinout_tx(PinName tx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/sleep_api.h b/libraries/mbed/capi/sleep_api.h
new file mode 100644
index 0000000000..c8cf3b6f86
--- /dev/null
+++ b/libraries/mbed/capi/sleep_api.h
@@ -0,0 +1,64 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_SLEEP_API_H
+#define MBED_SLEEP_API_H
+
+#include "device.h"
+
+#if DEVICE_SLEEP
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Send the microcontroller to sleep
+ *
+ * The processor is setup ready for sleep, and sent to sleep using __WFI(). In this mode, the
+ * system clock to the core is stopped until a reset or an interrupt occurs. This eliminates
+ * dynamic power used by the processor, memory systems and buses. The processor, peripheral and
+ * memory state are maintained, and the peripherals continue to work and can generate interrupts.
+ *
+ * The processor can be woken up by any internal peripheral interrupt or external pin interrupt.
+ *
+ * @note
+ *  The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored.
+ * Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
+ * able to access the LocalFileSystem
+ */
+void sleep(void);
+
+/** Send the microcontroller to deep sleep
+ *
+ * This processor is setup ready for deep sleep, and sent to sleep using __WFI(). This mode
+ * has the same sleep features as sleep plus it powers down peripherals and clocks. All state
+ * is still maintained.
+ *
+ * The processor can only be woken up by an external interrupt on a pin or a watchdog timer.
+ *
+ * @note
+ *  The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored.
+ * Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
+ * able to access the LocalFileSystem
+ */
+void deepsleep(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/spi_api.h b/libraries/mbed/capi/spi_api.h
new file mode 100644
index 0000000000..7553dc1e37
--- /dev/null
+++ b/libraries/mbed/capi/spi_api.h
@@ -0,0 +1,45 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_SPI_API_H
+#define MBED_SPI_API_H
+
+#include "device.h"
+
+#if DEVICE_SPI
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct spi_s spi_t;
+
+void spi_init         (spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel);
+void spi_free         (spi_t *obj);
+void spi_format       (spi_t *obj, int bits, int mode, int slave);
+void spi_frequency    (spi_t *obj, int hz);
+int  spi_master_write (spi_t *obj, int value);
+int  spi_slave_receive(spi_t *obj);
+int  spi_slave_read   (spi_t *obj);
+void spi_slave_write  (spi_t *obj, int value);
+int  spi_busy         (spi_t *obj);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/toolchain.h b/libraries/mbed/capi/toolchain.h
new file mode 100644
index 0000000000..69a4ddd87b
--- /dev/null
+++ b/libraries/mbed/capi/toolchain.h
@@ -0,0 +1,35 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_TOOLCHAIN_H
+#define MBED_TOOLCHAIN_H
+
+#if defined(TOOLCHAIN_ARM) || defined(TOOLCHAIN_uARM)
+#include 
+#endif
+
+#ifndef FILEHANDLE
+typedef int FILEHANDLE;
+#endif
+
+#if defined (__ICCARM__)
+#   define WEAK     __weak
+#   define PACKED   __packed
+#else
+#   define WEAK     __attribute__((weak))
+#   define PACKED   __attribute__((packed))
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/us_ticker_api.h b/libraries/mbed/capi/us_ticker_api.h
new file mode 100644
index 0000000000..6dc080b195
--- /dev/null
+++ b/libraries/mbed/capi/us_ticker_api.h
@@ -0,0 +1,43 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_US_TICKER_API_H
+#define MBED_US_TICKER_API_H
+
+#include 
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+uint32_t us_ticker_read(void);
+
+typedef void (*ticker_event_handler)(uint32_t id);
+void us_ticker_set_handler(ticker_event_handler handler);
+
+typedef struct ticker_event_s {
+    uint32_t timestamp;
+    uint32_t id;
+    struct ticker_event_s *next;
+} ticker_event_t;
+
+void us_ticker_insert_event(ticker_event_t *obj, unsigned int timestamp, uint32_t id);
+void us_ticker_remove_event(ticker_event_t *obj);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/capi/wait_api.c b/libraries/mbed/capi/wait_api.c
new file mode 100644
index 0000000000..90ef2395a1
--- /dev/null
+++ b/libraries/mbed/capi/wait_api.c
@@ -0,0 +1,30 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "wait_api.h"
+#include "us_ticker_api.h"
+
+void wait(float s) {
+    wait_us(s * 1000000.0);
+}
+
+void wait_ms(int ms) {
+    wait_us(ms * 1000);
+}
+
+void wait_us(int us) {
+    uint32_t start = us_ticker_read();
+    while ((us_ticker_read() - start) < us);
+}
diff --git a/libraries/mbed/capi/wait_api.h b/libraries/mbed/capi/wait_api.h
new file mode 100644
index 0000000000..03c27141ea
--- /dev/null
+++ b/libraries/mbed/capi/wait_api.h
@@ -0,0 +1,66 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_WAIT_API_H
+#define MBED_WAIT_API_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Generic wait functions.
+ *
+ * These provide simple NOP type wait capabilities.
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ *
+ * DigitalOut heartbeat(LED1);
+ *
+ * int main() {
+ *     while (1) {
+ *         heartbeat = 1;
+ *         wait(0.5);
+ *         heartbeat = 0;
+ *         wait(0.5);
+ *     }
+ * }
+ */
+
+/** Waits for a number of seconds, with microsecond resolution (within
+ *  the accuracy of single precision floating point).
+ *
+ *  @param s number of seconds to wait
+ */
+void wait(float s);
+
+/** Waits a number of milliseconds.
+ *
+ *  @param ms the whole number of milliseconds to wait
+ */
+void wait_ms(int ms);
+
+/** Waits a number of microseconds.
+ *
+ *  @param us the whole number of microseconds to wait
+ */
+void wait_us(int us);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/AnalogIn.h b/libraries/mbed/cpp/AnalogIn.h
new file mode 100644
index 0000000000..09437a2561
--- /dev/null
+++ b/libraries/mbed/cpp/AnalogIn.h
@@ -0,0 +1,103 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_ANALOGIN_H
+#define MBED_ANALOGIN_H
+
+#include "platform.h"
+
+#if DEVICE_ANALOGIN
+
+#include "analogin_api.h"
+
+namespace mbed {
+
+/** An analog input, used for reading the voltage on a pin
+ *
+ * Example:
+ * @code
+ * // Print messages when the AnalogIn is greater than 50%
+ *
+ * #include "mbed.h"
+ *
+ * AnalogIn temperature(p20);
+ *
+ * int main() {
+ *     while(1) {
+ *         if(temperature > 0.5) {
+ *             printf("Too hot! (%f)", temperature.read());
+ *         }
+ *     }
+ * }
+ * @endcode
+ */
+class AnalogIn {
+
+public:
+
+    /** Create an AnalogIn, connected to the specified pin
+     *
+     * @param pin AnalogIn pin to connect to
+     * @param name (optional) A string to identify the object
+     */
+    AnalogIn(PinName pin) {
+        analogin_init(&_adc, pin);
+    }
+
+    /** Read the input voltage, represented as a float in the range [0.0, 1.0]
+     *
+     * @returns A floating-point value representing the current input voltage, measured as a percentage
+     */
+    float read() {
+        return analogin_read(&_adc);
+    }
+
+    /** Read the input voltage, represented as an unsigned short in the range [0x0, 0xFFFF]
+     *
+     * @returns
+     *   16-bit unsigned short representing the current input voltage, normalised to a 16-bit value
+     */
+    unsigned short read_u16() {
+        return analogin_read_u16(&_adc);
+    }
+
+#ifdef MBED_OPERATORS
+    /** An operator shorthand for read()
+     *
+     * The float() operator can be used as a shorthand for read() to simplify common code sequences
+     *
+     * Example:
+     * @code
+     * float x = volume.read();
+     * float x = volume;
+     *
+     * if(volume.read() > 0.25) { ... }
+     * if(volume > 0.25) { ... }
+     * @endcode
+     */
+    operator float() {
+        return read();
+    }
+#endif
+
+protected:
+    analogin_t _adc;
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/AnalogOut.h b/libraries/mbed/cpp/AnalogOut.h
new file mode 100644
index 0000000000..0b879a72b8
--- /dev/null
+++ b/libraries/mbed/cpp/AnalogOut.h
@@ -0,0 +1,121 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_ANALOGOUT_H
+#define MBED_ANALOGOUT_H
+
+#include "platform.h"
+
+#if DEVICE_ANALOGOUT
+
+#include "analogout_api.h"
+
+namespace mbed {
+
+/** An analog output, used for setting the voltage on a pin
+ *
+ * Example:
+ * @code
+ * // Make a sawtooth output
+ *
+ * #include "mbed.h"
+ *
+ * AnalogOut tri(p18);
+ * int main() {
+ *     while(1) {
+ *         tri = tri + 0.01;
+ *         wait_us(1);
+ *         if(tri == 1) {
+ *             tri = 0;
+ *         }
+ *     }
+ * }
+ * @endcode
+ */
+class AnalogOut {
+
+public:
+
+    /** Create an AnalogOut connected to the specified pin
+     *
+     *  @param AnalogOut pin to connect to (18)
+     */
+    AnalogOut(PinName pin) {
+        analogout_init(&_dac, pin);
+    }
+
+    /** Set the output voltage, specified as a percentage (float)
+     *
+     *  @param value A floating-point value representing the output voltage,
+     *    specified as a percentage. The value should lie between
+     *    0.0f (representing 0v / 0%) and 1.0f (representing 3.3v / 100%).
+     *    Values outside this range will be saturated to 0.0f or 1.0f.
+     */
+    void write(float value) {
+        analogout_write(&_dac, value);
+    }
+
+    /** Set the output voltage, represented as an unsigned short in the range [0x0, 0xFFFF]
+     *
+     *  @param value 16-bit unsigned short representing the output voltage,
+     *            normalised to a 16-bit value (0x0000 = 0v, 0xFFFF = 3.3v)
+     */
+    void write_u16(unsigned short value) {
+        analogout_write_u16(&_dac, value);
+    }
+
+    /** Return the current output voltage setting, measured as a percentage (float)
+     *
+     *  @returns
+     *    A floating-point value representing the current voltage being output on the pin,
+     *    measured as a percentage. The returned value will lie between
+     *    0.0f (representing 0v / 0%) and 1.0f (representing 3.3v / 100%).
+     *
+     *  @note
+     *    This value may not match exactly the value set by a previous write().
+     */
+    float read() {
+        return analogout_read(&_dac);
+    }
+
+#ifdef MBED_OPERATORS
+    /** An operator shorthand for write()
+     */
+    AnalogOut& operator= (float percent) {
+        write(percent);
+        return *this;
+    }
+
+    AnalogOut& operator= (AnalogOut& rhs) {
+        write(rhs.read());
+        return *this;
+    }
+
+    /** An operator shorthand for read()
+     */
+    operator float() {
+        return read();
+    }
+#endif
+
+protected:
+    dac_t _dac;
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/BusIn.cpp b/libraries/mbed/cpp/BusIn.cpp
new file mode 100644
index 0000000000..91890dc7a9
--- /dev/null
+++ b/libraries/mbed/cpp/BusIn.cpp
@@ -0,0 +1,58 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "BusIn.h"
+
+namespace mbed {
+
+BusIn::BusIn(PinName p0, PinName p1, PinName p2, PinName p3, PinName p4, PinName p5, PinName p6, PinName p7, PinName p8, PinName p9, PinName p10, PinName p11, PinName p12, PinName p13, PinName p14, PinName p15) {
+    PinName pins[16] = {p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15};
+
+    for (int i=0; i<16; i++) {
+        _pin[i] = (pins[i] != NC) ? new DigitalIn(pins[i]) : 0;
+    }
+}
+
+BusIn::BusIn(PinName pins[16]) {
+    for (int i=0; i<16; i++) {
+        _pin[i] = (pins[i] != NC) ? new DigitalIn(pins[i]) : 0;
+    }
+}
+
+BusIn::~BusIn() {
+    for (int i=0; i<16; i++) {
+        if (_pin[i] != 0) {
+            delete _pin[i];
+        }
+    }
+}
+
+int BusIn::read() {
+    int v = 0;
+    for (int i=0; i<16; i++) {
+        if (_pin[i] != 0) {
+            v |= _pin[i]->read() << i;
+        }
+    }
+    return v;
+}
+
+#ifdef MBED_OPERATORS
+BusIn::operator int() {
+    return read();
+}
+#endif
+
+} // namespace mbed
diff --git a/libraries/mbed/cpp/BusIn.h b/libraries/mbed/cpp/BusIn.h
new file mode 100644
index 0000000000..f6e760b0a3
--- /dev/null
+++ b/libraries/mbed/cpp/BusIn.h
@@ -0,0 +1,67 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_BUSIN_H
+#define MBED_BUSIN_H
+
+#include "platform.h"
+#include "DigitalIn.h"
+
+namespace mbed {
+
+/** A digital input bus, used for reading the state of a collection of pins
+ */
+class BusIn {
+
+public:
+    /* Group: Configuration Methods */
+
+    /** Create an BusIn, connected to the specified pins
+     *
+     * @param  DigitalIn pin to connect to bus bit  (p5-p30, NC)
+     *
+     * @note
+     *  It is only required to specify as many pin variables as is required
+     *  for the bus; the rest will default to NC (not connected)
+     */
+    BusIn(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
+          PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
+          PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
+          PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
+
+    BusIn(PinName pins[16]);
+
+    virtual ~BusIn();
+
+    /** Read the value of the input bus
+     *
+     *  @returns
+     *   An integer with each bit corresponding to the value read from the associated DigitalIn pin
+     */
+    int read();
+
+#ifdef MBED_OPERATORS
+    /** A shorthand for read()
+     */
+    operator int();
+#endif
+
+protected:
+    DigitalIn* _pin[16];
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/BusInOut.cpp b/libraries/mbed/cpp/BusInOut.cpp
new file mode 100644
index 0000000000..84733a40cc
--- /dev/null
+++ b/libraries/mbed/cpp/BusInOut.cpp
@@ -0,0 +1,100 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "BusInOut.h"
+
+namespace mbed {
+
+BusInOut::BusInOut(PinName p0, PinName p1, PinName p2, PinName p3, PinName p4, PinName p5, PinName p6, PinName p7, PinName p8, PinName p9, PinName p10, PinName p11, PinName p12, PinName p13, PinName p14, PinName p15) {
+    PinName pins[16] = {p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15};
+
+    for (int i=0; i<16; i++) {
+        _pin[i] = (pins[i] != NC) ? new DigitalInOut(pins[i]) : 0;
+    }
+}
+
+BusInOut::BusInOut(PinName pins[16]) {
+    for (int i=0; i<16; i++) {
+        _pin[i] = (pins[i] != NC) ? new DigitalInOut(pins[i]) : 0;
+    }
+}
+
+BusInOut::~BusInOut() {
+    for (int i=0; i<16; i++) {
+        if (_pin[i] != 0) {
+            delete _pin[i];
+        }
+    }
+}
+
+void BusInOut::write(int value) {
+    for (int i=0; i<16; i++) {
+        if (_pin[i] != 0) {
+            _pin[i]->write((value >> i) & 1);
+        }
+    }
+}
+
+int BusInOut::read() {
+    int v = 0;
+    for (int i=0; i<16; i++) {
+        if (_pin[i] != 0) {
+            v |= _pin[i]->read() << i;
+        }
+    }
+    return v;
+}
+
+void BusInOut::output() {
+    for (int i=0; i<16; i++) {
+        if (_pin[i] != 0) {
+            _pin[i]->output();
+        }
+    }
+}
+
+void BusInOut::input() {
+    for (int i=0; i<16; i++) {
+        if (_pin[i] != 0) {
+            _pin[i]->input();
+        }
+    }
+}
+
+void BusInOut::mode(PinMode pull) {
+    for (int i=0; i<16; i++) {
+        if (_pin[i] != 0) {
+            _pin[i]->mode(pull);
+        }
+    }
+}
+
+#ifdef MBED_OPERATORS
+BusInOut& BusInOut::operator= (int v) {
+    write(v);
+    return *this;
+}
+
+BusInOut& BusInOut::operator= (BusInOut& rhs) {
+    write(rhs.read());
+    return *this;
+}
+
+BusInOut::operator int() {
+    return read();
+}
+#endif
+
+} // namespace mbed
diff --git a/libraries/mbed/cpp/BusInOut.h b/libraries/mbed/cpp/BusInOut.h
new file mode 100644
index 0000000000..245fb411bd
--- /dev/null
+++ b/libraries/mbed/cpp/BusInOut.h
@@ -0,0 +1,93 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_BUSINOUT_H
+#define MBED_BUSINOUT_H
+
+#include "DigitalInOut.h"
+
+namespace mbed {
+
+/** A digital input output bus, used for setting the state of a collection of pins
+ */
+class BusInOut {
+
+public:
+
+    /** Create an BusInOut, connected to the specified pins
+     *
+     *  @param p DigitalInOut pin to connect to bus bit p (p5-p30, NC)
+     *
+     *  @note
+     *  It is only required to specify as many pin variables as is required
+     *  for the bus; the rest will default to NC (not connected)
+     */
+    BusInOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
+             PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
+             PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
+             PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
+
+    BusInOut(PinName pins[16]);
+
+    virtual ~BusInOut();
+
+    /* Group: Access Methods */
+
+    /** Write the value to the output bus
+     *
+     *  @param value An integer specifying a bit to write for every corresponding DigitalInOut pin
+     */
+    void write(int value);
+
+
+    /** Read the value currently output on the bus
+     *
+     *  @returns
+     *    An integer with each bit corresponding to associated DigitalInOut pin setting
+     */
+    int read();
+
+    /** Set as an output
+     */
+    void output();
+
+    /** Set as an input
+     */
+    void input();
+
+    /** Set the input pin mode
+     *
+     *  @param mode PullUp, PullDown, PullNone
+     */
+    void mode(PinMode pull);
+
+#ifdef MBED_OPERATORS
+     /** A shorthand for write()
+     */
+    BusInOut& operator= (int v);
+    BusInOut& operator= (BusInOut& rhs);
+
+    /** A shorthand for read()
+     */
+    operator int();
+#endif
+
+protected:
+    DigitalInOut* _pin[16];
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/BusOut.cpp b/libraries/mbed/cpp/BusOut.cpp
new file mode 100644
index 0000000000..7e9a5f7dbe
--- /dev/null
+++ b/libraries/mbed/cpp/BusOut.cpp
@@ -0,0 +1,76 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "BusOut.h"
+
+namespace mbed {
+
+BusOut::BusOut(PinName p0, PinName p1, PinName p2, PinName p3, PinName p4, PinName p5, PinName p6, PinName p7, PinName p8, PinName p9, PinName p10, PinName p11, PinName p12, PinName p13, PinName p14, PinName p15) {
+    PinName pins[16] = {p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15};
+
+    for (int i=0; i<16; i++) {
+        _pin[i] = (pins[i] != NC) ? new DigitalOut(pins[i]) : 0;
+    }
+}
+
+BusOut::BusOut(PinName pins[16]) {
+    for (int i=0; i<16; i++) {
+        _pin[i] = (pins[i] != NC) ? new DigitalOut(pins[i]) : 0;
+    }
+}
+
+BusOut::~BusOut() {
+    for (int i=0; i<16; i++) {
+        if (_pin[i] != 0) {
+            delete _pin[i];
+        }
+    }
+}
+
+void BusOut::write(int value) {
+    for (int i=0; i<16; i++) {
+        if (_pin[i] != 0) {
+            _pin[i]->write((value >> i) & 1);
+        }
+    }
+}
+
+int BusOut::read() {
+    int v = 0;
+    for (int i=0; i<16; i++) {
+        if (_pin[i] != 0) {
+            v |= _pin[i]->read() << i;
+        }
+    }
+    return v;
+}
+
+#ifdef MBED_OPERATORS
+BusOut& BusOut::operator= (int v) {
+    write(v);
+    return *this;
+}
+
+BusOut& BusOut::operator= (BusOut& rhs) {
+    write(rhs.read());
+    return *this;
+}
+
+BusOut::operator int() {
+    return read();
+}
+#endif
+
+} // namespace mbed
diff --git a/libraries/mbed/cpp/BusOut.h b/libraries/mbed/cpp/BusOut.h
new file mode 100644
index 0000000000..f76c4a5773
--- /dev/null
+++ b/libraries/mbed/cpp/BusOut.h
@@ -0,0 +1,76 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_BUSOUT_H
+#define MBED_BUSOUT_H
+
+#include "DigitalOut.h"
+
+namespace mbed {
+
+/** A digital output bus, used for setting the state of a collection of pins
+ */
+class BusOut {
+
+public:
+
+    /** Create an BusOut, connected to the specified pins
+     *
+     *  @param p DigitalOut pin to connect to bus bit  (p5-p30, NC)
+     *
+     *  @note
+     *  It is only required to specify as many pin variables as is required
+     *  for the bus; the rest will default to NC (not connected)
+     */
+    BusOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
+           PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
+           PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
+           PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
+
+    BusOut(PinName pins[16]);
+
+    virtual ~BusOut();
+
+    /** Write the value to the output bus
+     *
+     *  @param value An integer specifying a bit to write for every corresponding DigitalOut pin
+     */
+    void write(int value);
+
+    /** Read the value currently output on the bus
+     *
+     *  @returns
+     *    An integer with each bit corresponding to associated DigitalOut pin setting
+     */
+    int read();
+
+#ifdef MBED_OPERATORS
+    /** A shorthand for write()
+     */
+    BusOut& operator= (int v);
+    BusOut& operator= (BusOut& rhs);
+
+    /** A shorthand for read()
+     */
+    operator int();
+#endif
+
+protected:
+    DigitalOut* _pin[16];
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/CAN.cpp b/libraries/mbed/cpp/CAN.cpp
new file mode 100644
index 0000000000..ef6ebd87df
--- /dev/null
+++ b/libraries/mbed/cpp/CAN.cpp
@@ -0,0 +1,119 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "CAN.h"
+
+#if DEVICE_CAN
+
+#include "cmsis.h"
+
+namespace mbed {
+
+CAN::CAN(PinName rd, PinName td) {
+    can_init(&_can, rd, td);
+}
+
+CAN::~CAN() {
+    can_free(&_can);
+}
+
+int CAN::frequency(int f) {
+    return can_frequency(&_can, f);
+}
+
+int CAN::write(CANMessage msg) {
+    return can_write(&_can, msg, 0);
+}
+
+int CAN::read(CANMessage &msg) {
+    return can_read(&_can, &msg);
+}
+
+void CAN::reset() {
+    can_reset(&_can);
+}
+
+unsigned char CAN::rderror() {
+    return can_rderror(&_can);
+}
+
+unsigned char CAN::tderror() {
+    return can_tderror(&_can);
+}
+
+void CAN::monitor(bool silent) {
+    can_monitor(&_can, (silent) ? 1 : 0);
+}
+
+static FunctionPointer* can_obj[2] = { NULL };
+
+// Have to check that the CAN block is active before reading the Interrupt
+// Control Register, or the mbed hangs
+void can_irq(void) {
+    uint32_t icr;
+
+    if(LPC_SC->PCONP & (1 << 13)) {
+        icr = LPC_CAN1->ICR;
+
+        if(icr && (can_obj[0] != NULL)) {
+            can_obj[0]->call();
+        }
+    }
+
+    if(LPC_SC->PCONP & (1 << 14)) {
+        icr = LPC_CAN2->ICR;
+        if(icr && (can_obj[1] != NULL)) {
+            can_obj[1]->call();
+        }
+    }
+
+}
+
+void CAN::setup_interrupt(void) {
+    switch ((int)_can.dev) {
+        case CAN_1: can_obj[0] = &_rxirq; break;
+        case CAN_2: can_obj[1] = &_rxirq; break;
+    }
+    _can.dev->MOD |= 1;
+    _can.dev->IER |= 1;
+    _can.dev->MOD &= ~1;
+    NVIC_SetVector(CAN_IRQn, (uint32_t) &can_irq);
+    NVIC_EnableIRQ(CAN_IRQn);
+}
+
+void CAN::remove_interrupt(void) {
+    switch ((int)_can.dev) {
+        case CAN_1: can_obj[0] = NULL; break;
+        case CAN_2: can_obj[1] = NULL; break;
+    }
+
+    _can.dev->IER &= ~(1);
+    if ((can_obj[0] == NULL) && (can_obj[1] == NULL)) {
+        NVIC_DisableIRQ(CAN_IRQn);
+    }
+}
+
+void CAN::attach(void (*fptr)(void)) {
+    if (fptr != NULL) {
+        _rxirq.attach(fptr);
+        setup_interrupt();
+    } else {
+        remove_interrupt();
+    }
+}
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/CAN.h b/libraries/mbed/cpp/CAN.h
new file mode 100644
index 0000000000..af5501a2ff
--- /dev/null
+++ b/libraries/mbed/cpp/CAN.h
@@ -0,0 +1,196 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_CAN_H
+#define MBED_CAN_H
+
+#include "platform.h"
+
+#if DEVICE_CAN
+
+#include "can_api.h"
+#include "can_helper.h"
+#include "FunctionPointer.h"
+
+namespace mbed {
+
+/** CANMessage class
+ */
+class CANMessage : public CAN_Message {
+
+public:
+    /** Creates empty CAN message.
+     */
+    CANMessage() {
+        len    = 8;
+        type   = CANData;
+        format = CANStandard;
+        id     = 0;
+        memset(data, 0, 8);
+    }
+
+    /** Creates CAN message with specific content.
+     */
+    CANMessage(int _id, const char *_data, char _len = 8, CANType _type = CANData, CANFormat _format = CANStandard) {
+      len    = _len & 0xF;
+      type   = _type;
+      format = _format;
+      id     = _id;
+      memcpy(data, _data, _len);
+    }
+
+    /** Creates CAN remote message.
+     */
+    CANMessage(int _id, CANFormat _format = CANStandard) {
+      len    = 0;
+      type   = CANRemote;
+      format = _format;
+      id     = _id;
+      memset(data, 0, 8);
+    }
+};
+
+/** A can bus client, used for communicating with can devices
+ */
+class CAN {
+
+public:
+    /** Creates an CAN interface connected to specific pins.
+     *
+     *  @param rd read from transmitter
+     *  @param td transmit to transmitter
+     *
+     * Example:
+     * @code
+     * #include "mbed.h"
+     *
+     * Ticker ticker;
+     * DigitalOut led1(LED1);
+     * DigitalOut led2(LED2);
+     * CAN can1(p9, p10);
+     * CAN can2(p30, p29);
+     *
+     * char counter = 0;
+     *
+     * void send() {
+     *     if(can1.write(CANMessage(1337, &counter, 1))) {
+     *         printf("Message sent: %d\n", counter);
+     *         counter++;
+     *     }
+     *     led1 = !led1;
+     * }
+     *
+     * int main() {
+     *     ticker.attach(&send, 1);
+     *    CANMessage msg;
+     *     while(1) {
+     *         if(can2.read(msg)) {
+     *             printf("Message received: %d\n\n", msg.data[0]);
+     *             led2 = !led2;
+     *         }
+     *         wait(0.2);
+     *     }
+     * }
+     * @endcode
+     */
+    CAN(PinName rd, PinName td);
+    virtual ~CAN();
+
+    /** Set the frequency of the CAN interface
+     *
+     *  @param hz The bus frequency in hertz
+     *
+     *  @returns
+     *    1 if successful,
+     *    0 otherwise
+     */
+    int frequency(int hz);
+
+    /** Write a CANMessage to the bus.
+     *
+     *  @param msg The CANMessage to write.
+     *
+     *  @returns
+     *    0 if write failed,
+     *    1 if write was successful
+     */
+    int write(CANMessage msg);
+
+    /** Read a CANMessage from the bus.
+     *
+     *  @param msg A CANMessage to read to.
+     *
+     *  @returns
+     *    0 if no message arrived,
+     *    1 if message arrived
+     */
+    int read(CANMessage &msg);
+
+    /** Reset CAN interface.
+     *
+     * To use after error overflow.
+     */
+    void reset();
+
+    /** Puts or removes the CAN interface into silent monitoring mode
+     *
+     *  @param silent boolean indicating whether to go into silent mode or not
+     */
+    void monitor(bool silent);
+
+    /** Returns number of read errors to detect read overflow errors.
+     */
+    unsigned char rderror();
+
+    /** Returns number of write errors to detect write overflow errors.
+     */
+    unsigned char tderror();
+
+    /** Attach a function to call whenever a CAN frame received interrupt is
+     *  generated.
+     *
+     *  @param fptr A pointer to a void function, or 0 to set as none
+     */
+    void attach(void (*fptr)(void));
+
+   /** Attach a member function to call whenever a CAN frame received interrupt
+    *  is generated.
+    *
+    *  @param tptr pointer to the object to call the member function on
+    *  @param mptr pointer to the member function to be called
+    */
+   template
+   void attach(T* tptr, void (T::*mptr)(void)) {
+        if((mptr != NULL) && (tptr != NULL)) {
+            _rxirq.attach(tptr, mptr);
+            setup_interrupt();
+        } else {
+            remove_interrupt();
+        }
+    }
+
+private:
+    can_t _can;
+    FunctionPointer _rxirq;
+
+    void setup_interrupt(void);
+    void remove_interrupt(void);
+};
+
+} // namespace mbed
+
+#endif
+
+#endif    // MBED_CAN_H
diff --git a/libraries/mbed/cpp/DigitalIn.h b/libraries/mbed/cpp/DigitalIn.h
new file mode 100644
index 0000000000..151a49ce30
--- /dev/null
+++ b/libraries/mbed/cpp/DigitalIn.h
@@ -0,0 +1,90 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_DIGITALIN_H
+#define MBED_DIGITALIN_H
+
+#include "platform.h"
+
+#include "gpio_api.h"
+
+namespace mbed {
+
+/** A digital input, used for reading the state of a pin
+ *
+ * Example:
+ * @code
+ * // Flash an LED while a DigitalIn is true
+ *
+ * #include "mbed.h"
+ *
+ * DigitalIn enable(p5);
+ * DigitalOut led(LED1);
+ *
+ * int main() {
+ *     while(1) {
+ *         if(enable) {
+ *             led = !led;
+ *         }
+ *         wait(0.25);
+ *     }
+ * }
+ * @endcode
+ */
+class DigitalIn {
+
+public:
+    /** Create a DigitalIn connected to the specified pin
+     *
+     *  @param pin DigitalIn pin to connect to
+     *  @param name (optional) A string to identify the object
+     */
+    DigitalIn(PinName pin) {
+        gpio_init(&gpio, pin, PIN_INPUT);
+    }
+
+    /** Read the input, represented as 0 or 1 (int)
+     *
+     *  @returns
+     *    An integer representing the state of the input pin,
+     *    0 for logical 0, 1 for logical 1
+     */
+    int read() {
+        return gpio_read(&gpio);
+    }
+
+    /** Set the input pin mode
+     *
+     *  @param mode PullUp, PullDown, PullNone, OpenDrain
+     */
+    void mode(PinMode pull) {
+        gpio_mode(&gpio, pull);
+    }
+
+#ifdef MBED_OPERATORS
+    /** An operator shorthand for read()
+     */
+    operator int() {
+        return read();
+    }
+#endif
+
+protected:
+    gpio_t gpio;
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/DigitalInOut.h b/libraries/mbed/cpp/DigitalInOut.h
new file mode 100644
index 0000000000..72aee11bbe
--- /dev/null
+++ b/libraries/mbed/cpp/DigitalInOut.h
@@ -0,0 +1,103 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_DIGITALINOUT_H
+#define MBED_DIGITALINOUT_H
+
+#include "platform.h"
+
+#include "gpio_api.h"
+
+namespace mbed {
+
+/** A digital input/output, used for setting or reading a bi-directional pin
+ */
+class DigitalInOut {
+
+public:
+    /** Create a DigitalInOut connected to the specified pin
+     *
+     *  @param pin DigitalInOut pin to connect to
+     */
+    DigitalInOut(PinName pin) {
+        gpio_init(&gpio, pin, PIN_INPUT);
+    }
+
+    /** Set the output, specified as 0 or 1 (int)
+     *
+     *  @param value An integer specifying the pin output value,
+     *      0 for logical 0, 1 (or any other non-zero value) for logical 1
+     */
+    void write(int value) {
+        gpio_write(&gpio, value);
+    }
+
+    /** Return the output setting, represented as 0 or 1 (int)
+     *
+     *  @returns
+     *    an integer representing the output setting of the pin if it is an output,
+     *    or read the input if set as an input
+     */
+    int read() {
+        return gpio_read(&gpio);
+    }
+
+    /** Set as an output
+     */
+    void output() {
+        gpio_dir(&gpio, PIN_OUTPUT);
+    }
+
+    /** Set as an input
+     */
+    void input() {
+        gpio_dir(&gpio, PIN_INPUT);
+    }
+
+    /** Set the input pin mode
+     *
+     *  @param mode PullUp, PullDown, PullNone, OpenDrain
+     */
+    void mode(PinMode pull) {
+        gpio_mode(&gpio, pull);
+    }
+
+#ifdef MBED_OPERATORS
+    /** A shorthand for write()
+     */
+    DigitalInOut& operator= (int value) {
+        write(value);
+        return *this;
+    }
+
+    DigitalInOut& operator= (DigitalInOut& rhs) {
+        write(rhs.read());
+        return *this;
+    }
+
+    /** A shorthand for read()
+     */
+    operator int() {
+        return read();
+    }
+#endif
+
+protected:
+    gpio_t gpio;
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/DigitalOut.h b/libraries/mbed/cpp/DigitalOut.h
new file mode 100644
index 0000000000..c8445e8ea5
--- /dev/null
+++ b/libraries/mbed/cpp/DigitalOut.h
@@ -0,0 +1,97 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_DIGITALOUT_H
+#define MBED_DIGITALOUT_H
+
+#include "platform.h"
+#include "gpio_api.h"
+
+namespace mbed {
+
+/** A digital output, used for setting the state of a pin
+ *
+ * Example:
+ * @code
+ * // Toggle a LED
+ * #include "mbed.h"
+ *
+ * DigitalOut led(LED1);
+ *
+ * int main() {
+ *     while(1) {
+ *         led = !led;
+ *         wait(0.2);
+ *     }
+ * }
+ * @endcode
+ */
+class DigitalOut {
+
+public:
+    /** Create a DigitalOut connected to the specified pin
+     *
+     *  @param pin DigitalOut pin to connect to
+     */
+    DigitalOut(PinName pin) {
+        gpio_init(&gpio, pin, PIN_OUTPUT);
+    }
+
+    /** Set the output, specified as 0 or 1 (int)
+     *
+     *  @param value An integer specifying the pin output value,
+     *      0 for logical 0, 1 (or any other non-zero value) for logical 1
+     */
+    void write(int value) {
+        gpio_write(&gpio, value);
+    }
+
+    /** Return the output setting, represented as 0 or 1 (int)
+     *
+     *  @returns
+     *    an integer representing the output setting of the pin,
+     *    0 for logical 0, 1 for logical 1
+     */
+    int read() {
+        return gpio_read(&gpio);
+    }
+
+#ifdef MBED_OPERATORS
+    /** A shorthand for write()
+     */
+    DigitalOut& operator= (int value) {
+        write(value);
+        return *this;
+    }
+
+    DigitalOut& operator= (DigitalOut& rhs) {
+        write(rhs.read());
+        return *this;
+    }
+
+    /** A shorthand for read()
+     */
+    operator int() {
+        return read();
+    }
+#endif
+
+protected:
+    gpio_t gpio;
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/DirHandle.h b/libraries/mbed/cpp/DirHandle.h
new file mode 100644
index 0000000000..329f4d1c71
--- /dev/null
+++ b/libraries/mbed/cpp/DirHandle.h
@@ -0,0 +1,104 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_DIRHANDLE_H
+#define MBED_DIRHANDLE_H
+
+#if defined(__ARMCC_VERSION) || defined(__ICCARM__)
+#   define NAME_MAX 255
+typedef int mode_t;
+
+#else
+#   include 
+#endif
+
+#include "FileHandle.h"
+
+struct dirent {
+    char d_name[NAME_MAX+1];
+};
+
+namespace mbed {
+
+/** Represents a directory stream. Objects of this type are returned
+ *  by a FileSystemLike's opendir method. Implementations must define
+ *  at least closedir, readdir and rewinddir.
+ *
+ *  If a FileSystemLike class defines the opendir method, then the
+ *  directories of an object of that type can be accessed by
+ *  DIR *d = opendir("/example/directory") (or opendir("/example")
+ *  to open the root of the filesystem), and then using readdir(d) etc.
+ *
+ *  The root directory is considered to contain all FileLike and
+ *  FileSystemLike objects, so the DIR* returned by opendir("/") will
+ *  reflect this.
+ */
+class DirHandle {
+
+public:
+    /** Closes the directory.
+     *
+     *  @returns
+     *    0 on success,
+     *   -1 on error.
+     */
+    virtual int closedir()=0;
+
+    /** Return the directory entry at the current position, and
+     *  advances the position to the next entry.
+     *
+     * @returns
+     *  A pointer to a dirent structure representing the
+     *  directory entry at the current position, or NULL on reaching
+     *  end of directory or error.
+     */
+    virtual struct dirent *readdir()=0;
+
+    /** Resets the position to the beginning of the directory.
+     */
+    virtual void rewinddir()=0;
+
+    /** Returns the current position of the DirHandle.
+     *
+     * @returns
+     *   the current position,
+     *  -1 on error.
+     */
+    virtual off_t telldir() { return -1; }
+
+    /** Sets the position of the DirHandle.
+     *
+     *  @param location The location to seek to. Must be a value returned by telldir.
+     */
+    virtual void seekdir(off_t location) { }
+
+    virtual ~DirHandle() {}
+};
+
+} // namespace mbed
+
+typedef mbed::DirHandle DIR;
+
+extern "C" {
+    DIR *opendir(const char*);
+    struct dirent *readdir(DIR *);
+    int closedir(DIR*);
+    void rewinddir(DIR*);
+    long telldir(DIR*);
+    void seekdir(DIR*, long);
+    int mkdir(const char *name, mode_t n);
+};
+
+#endif /* MBED_DIRHANDLE_H */
diff --git a/libraries/mbed/cpp/Ethernet.cpp b/libraries/mbed/cpp/Ethernet.cpp
new file mode 100644
index 0000000000..279a88b8f1
--- /dev/null
+++ b/libraries/mbed/cpp/Ethernet.cpp
@@ -0,0 +1,73 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "Ethernet.h"
+
+#if DEVICE_ETHERNET
+
+#include "ethernet_api.h"
+
+namespace mbed {
+
+Ethernet::Ethernet() {
+    ethernet_init();
+}
+
+Ethernet::~Ethernet() {
+    ethernet_free();
+}
+
+int Ethernet::write(const char *data, int size) {
+    return ethernet_write(data, size);
+}
+
+int Ethernet::send() {
+    return ethernet_send();
+}
+
+int Ethernet::receive() {
+    return ethernet_receive();
+}
+
+int Ethernet::read(char *data, int size) {
+    return ethernet_read(data, size);
+}
+
+void Ethernet::address(char *mac) {
+    return ethernet_address(mac);
+}
+
+int Ethernet::link() {
+    return ethernet_link();
+}
+
+void Ethernet::set_link(Mode mode) {
+    int speed = -1;
+    int duplex = 0;
+
+    switch(mode) {
+        case AutoNegotiate : speed = -1; duplex = 0; break;
+        case HalfDuplex10  : speed = 0;  duplex = 0; break;
+        case FullDuplex10  : speed = 0;  duplex = 1; break;
+        case HalfDuplex100 : speed = 1;  duplex = 0; break;
+        case FullDuplex100 : speed = 1;  duplex = 1; break;
+    }
+
+    ethernet_set_link(speed, duplex);
+}
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/Ethernet.h b/libraries/mbed/cpp/Ethernet.h
new file mode 100644
index 0000000000..83a40b8f5f
--- /dev/null
+++ b/libraries/mbed/cpp/Ethernet.h
@@ -0,0 +1,170 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_ETHERNET_H
+#define MBED_ETHERNET_H
+
+#include "platform.h"
+
+#if DEVICE_ETHERNET
+
+namespace mbed {
+
+/** An ethernet interface, to use with the ethernet pins.
+ *
+ * Example:
+ * @code
+ * // Read destination and source from every ethernet packet
+ *
+ * #include "mbed.h"
+ *
+ * Ethernet eth;
+ *
+ * int main() {
+ *     char buf[0x600];
+ *
+ *     while(1) {
+ *         int size = eth.receive();
+ *         if(size > 0) {
+ *             eth.read(buf, size);
+ *             printf("Destination:  %02X:%02X:%02X:%02X:%02X:%02X\n",
+ *                     buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
+ *             printf("Source: %02X:%02X:%02X:%02X:%02X:%02X\n",
+ *                     buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]);
+ *         }
+ *
+ *         wait(1);
+ *     }
+ * }
+ * @endcode
+ */
+class Ethernet {
+
+public:
+
+    /** Initialise the ethernet interface.
+     */
+    Ethernet();
+
+    /** Powers the hardware down.
+     */
+    virtual ~Ethernet();
+
+    enum Mode {
+        AutoNegotiate,
+        HalfDuplex10,
+        FullDuplex10,
+        HalfDuplex100,
+        FullDuplex100
+    };
+
+    /** Writes into an outgoing ethernet packet.
+     *
+     *  It will append size bytes of data to the previously written bytes.
+     *
+     *  @param data An array to write.
+     *  @param size The size of data.
+     *
+     *  @returns
+     *   The number of written bytes.
+     */
+    int write(const char *data, int size);
+
+    /** Send an outgoing ethernet packet.
+     *
+     *  After filling in the data in an ethernet packet it must be send.
+     *  Send will provide a new packet to write to.
+     *
+     *  @returns
+     *    0 if the sending was failed,
+     *    1 if the package is successfully sent.
+     */
+    int send();
+
+    /** Recevies an arrived ethernet packet.
+     *
+     *  Receiving an ethernet packet will drop the last received ethernet packet
+     *  and make a new ethernet packet ready to read.
+     *  If no ethernet packet is arrived it will return 0.
+     *
+     *  @returns
+     *    0 if no ethernet packet is arrived,
+     *    or the size of the arrived packet.
+     */
+    int receive();
+
+    /** Read from an recevied ethernet packet.
+     *
+     *  After receive returnd a number bigger than 0it is
+     *  possible to read bytes from this packet.
+     *  Read will write up to size bytes into data.
+     *
+     *  It is possible to use read multible times.
+     *  Each time read will start reading after the last read byte before.
+     *
+     *  @returns
+     *  The number of byte read.
+     */
+    int read(char *data, int size);
+
+    /** Gives the ethernet address of the mbed.
+     *
+     *  @param mac Must be a pointer to a 6 byte char array to copy the ethernet address in.
+     */
+    void address(char *mac);
+
+    /** Returns if an ethernet link is pressent or not. It takes a wile after Ethernet initializion to show up.
+     *
+     *  @returns
+     *   0 if no ethernet link is pressent,
+     *   1 if an ethernet link is pressent.
+     *
+     * Example:
+     * @code
+     * // Using the Ethernet link function
+     * #include "mbed.h"
+     *
+     * Ethernet eth;
+     *
+     * int main() {
+     *     wait(1); // Needed after startup.
+     *     if (eth.link()) {
+     *          printf("online\n");
+     *     } else {
+     *          printf("offline\n");
+     *     }
+     * }
+     * @endcode
+     */
+    int link();
+
+    /** Sets the speed and duplex parameters of an ethernet link
+     *
+     * - AutoNegotiate      Auto negotiate speed and duplex
+     * - HalfDuplex10       10 Mbit, half duplex
+     * - FullDuplex10       10 Mbit, full duplex
+     * - HalfDuplex100      100 Mbit, half duplex
+     * - FullDuplex100      100 Mbit, full duplex
+     *
+     *  @param mode the speed and duplex mode to set the link to:
+     */
+    void set_link(Mode mode);
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/FileBase.cpp b/libraries/mbed/cpp/FileBase.cpp
new file mode 100644
index 0000000000..bf0a91e189
--- /dev/null
+++ b/libraries/mbed/cpp/FileBase.cpp
@@ -0,0 +1,83 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "FileBase.h"
+
+namespace mbed {
+
+FileBase *FileBase::_head = NULL;
+
+FileBase::FileBase(const char *name, PathType t) {
+    _name = name;
+    _path_type = t;
+
+    if (name != NULL) {
+        // put this object at head of the list
+        _next = _head;
+        _head = this;
+    } else {
+        _next = NULL;
+    }
+}
+
+FileBase::~FileBase() {
+    if (_name != NULL) {
+        // remove this object from the list
+        if (_head == this) { // first in the list, so just drop me
+            _head = _next;
+        } else {             // find the object before me, then drop me
+            FileBase *p = _head;
+            while (p->_next != this) {
+                p = p->_next;
+            }
+            p->_next = _next;
+        }
+    }
+}
+
+FileBase *FileBase::lookup(const char *name, unsigned int len) {
+    FileBase *p = _head;
+    while (p != NULL) {
+        /* Check that p->_name matches name and is the correct length */
+        if (p->_name != NULL && std::strncmp(p->_name, name, len) == 0 && std::strlen(p->_name) == len) {
+            return p;
+        }
+        p = p->_next;
+    }
+    return NULL;
+}
+
+FileBase *FileBase::get(int n) {
+    FileBase *p = _head;
+    int m = 0;
+    while (p != NULL) {
+        if (m == n) return p;
+
+        m++;
+        p = p->_next;
+    }
+    return NULL;
+}
+
+const char* FileBase::getName(void) {
+    return _name;
+}
+
+PathType FileBase::getPathType(void) {
+    return _path_type;
+}
+
+} // namespace mbed
+
diff --git a/libraries/mbed/cpp/FileBase.h b/libraries/mbed/cpp/FileBase.h
new file mode 100644
index 0000000000..86df2d1bc9
--- /dev/null
+++ b/libraries/mbed/cpp/FileBase.h
@@ -0,0 +1,75 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_FILEBASE_H
+#define MBED_FILEBASE_H
+
+typedef int FILEHANDLE;
+
+#include 
+
+#if defined(__ARMCC_VERSION) || defined(__ICCARM__)
+#    define O_RDONLY 0
+#    define O_WRONLY 1
+#    define O_RDWR   2
+#    define O_CREAT  0x0200
+#    define O_TRUNC  0x0400
+#    define O_APPEND 0x0008
+
+#    define NAME_MAX 255
+
+typedef int mode_t;
+typedef int ssize_t;
+typedef long off_t;
+
+#else
+#    include 
+#    include 
+#    include 
+#endif
+
+#include "platform.h"
+
+namespace mbed {
+
+typedef enum {
+    FilePathType,
+    FileSystemPathType
+} PathType;
+
+class FileBase {
+public:
+    FileBase(const char *name, PathType t);
+
+    virtual ~FileBase();
+
+    const char* getName(void);
+    PathType    getPathType(void);
+
+    static FileBase *lookup(const char *name, unsigned int len);
+
+    static FileBase *get(int n);
+
+protected:
+    static FileBase *_head;
+
+    FileBase   *_next;
+    const char *_name;
+    PathType    _path_type;
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/FileHandle.h b/libraries/mbed/cpp/FileHandle.h
new file mode 100644
index 0000000000..0a98a827c6
--- /dev/null
+++ b/libraries/mbed/cpp/FileHandle.h
@@ -0,0 +1,119 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_FILEHANDLE_H
+#define MBED_FILEHANDLE_H
+
+typedef int FILEHANDLE;
+
+#include 
+
+#if defined(__ARMCC_VERSION) || defined(__ICCARM__)
+typedef int ssize_t;
+typedef long off_t;
+
+#else
+#   include 
+#endif
+
+namespace mbed {
+
+/** An OO equivalent of the internal FILEHANDLE variable
+ *  and associated _sys_* functions.
+ *
+ * FileHandle is an abstract class, needing at least sys_write and
+ *  sys_read to be implmented for a simple interactive device.
+ *
+ * No one ever directly tals to/instanciates a FileHandle - it gets
+ *  created by FileSystem, and wrapped up by stdio.
+ */
+class FileHandle {
+
+public:
+    /** Write the contents of a buffer to the file
+     *
+     *  @param buffer the buffer to write from
+     *  @param length the number of characters to write
+     *
+     *  @returns
+     *  The number of characters written (possibly 0) on success, -1 on error.
+     */
+    virtual ssize_t write(const void* buffer, size_t length) = 0;
+
+    /** Close the file
+     *
+     *  @returns
+     *  Zero on success, -1 on error.
+     */
+    virtual int close() = 0;
+
+    /** Function read
+     *  Reads the contents of the file into a buffer
+     *
+     *  @param buffer the buffer to read in to
+     *  @param length the number of characters to read
+     *
+     *  @returns
+     *  The number of characters read (zero at end of file) on success, -1 on error.
+     */
+    virtual ssize_t read(void* buffer, size_t length) = 0;
+
+    /** Check if the handle is for a interactive terminal device.
+     * If so, line buffered behaviour is used by default
+     *
+     *  @returns
+     *    1 if it is a terminal,
+     *    0 otherwise
+     */
+    virtual int isatty() = 0;
+
+    /** Move the file position to a given offset from a given location.
+     *
+     *  @param offset The offset from whence to move to
+     *  @param whence SEEK_SET for the start of the file, SEEK_CUR for the
+     *   current file position, or SEEK_END for the end of the file.
+     *
+     *  @returns
+     *    new file position on success,
+     *    -1 on failure or unsupported
+     */
+    virtual off_t lseek(off_t offset, int whence) = 0;
+
+    /** Flush any buffers associated with the FileHandle, ensuring it
+     *  is up to date on disk
+     *
+     *  @returns
+     *    0 on success or un-needed,
+     *   -1 on error
+     */
+    virtual int fsync() = 0;
+
+    virtual off_t flen() {
+        /* remember our current position */
+        off_t pos = lseek(0, SEEK_CUR);
+        if(pos == -1) return -1;
+        /* seek to the end to get the file length */
+        off_t res = lseek(0, SEEK_END);
+        /* return to our old position */
+        lseek(pos, SEEK_SET);
+        return res;
+    }
+
+    virtual ~FileHandle();
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/FileLike.cpp b/libraries/mbed/cpp/FileLike.cpp
new file mode 100644
index 0000000000..da13ead145
--- /dev/null
+++ b/libraries/mbed/cpp/FileLike.cpp
@@ -0,0 +1,28 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "FileLike.h"
+
+namespace mbed {
+
+FileLike::FileLike(const char *name) : FileHandle(), FileBase(name, FilePathType) {
+
+}
+
+FileLike::~FileLike() {
+
+}
+
+} // namespace mbed
diff --git a/libraries/mbed/cpp/FileLike.h b/libraries/mbed/cpp/FileLike.h
new file mode 100644
index 0000000000..666575c904
--- /dev/null
+++ b/libraries/mbed/cpp/FileLike.h
@@ -0,0 +1,44 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_FILELIKE_H
+#define MBED_FILELIKE_H
+
+#include "FileBase.h"
+#include "FileHandle.h"
+
+namespace mbed {
+
+/* Class FileLike
+ *  A file-like object is one that can be opened with fopen by
+ *  fopen("/name", mode). It is intersection of the classes Base and
+ *  FileHandle.
+ */
+class FileLike : public FileHandle, public FileBase {
+
+public:
+    /* Constructor FileLike
+     *
+     * Variables
+     *  name - The name to use to open the file.
+     */
+    FileLike(const char *name);
+
+    virtual ~FileLike();
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/FilePath.cpp b/libraries/mbed/cpp/FilePath.cpp
new file mode 100644
index 0000000000..7dbf710656
--- /dev/null
+++ b/libraries/mbed/cpp/FilePath.cpp
@@ -0,0 +1,71 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "FilePath.h"
+
+namespace mbed {
+
+FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
+    if ((file_path[0] != '/') || (file_path[1] == 0)) return;
+
+    const char* file_system = &file_path[1];
+    file_name = file_system;
+    int len = 0;
+    while (true) {
+        char c = *file_name;
+        if (c == '/') { // end of object name
+            file_name++; // point to one char after the '/'
+            break;
+        }
+        if (c == 0) { // end of object name, with no filename
+            break;
+        }
+        len++;
+        file_name++;
+    }
+
+    FileBase::lookup(file_system, len);
+
+
+    fb = FileBase::lookup(file_system, len);
+}
+
+const char* FilePath::fileName(void) {
+    return file_name;
+}
+
+bool FilePath::isFileSystem(void) {
+    return (fb->getPathType() == FileSystemPathType);
+}
+
+FileSystemLike* FilePath::fileSystem(void) {
+    if (isFileSystem()) {
+        return (FileSystemLike*)fb;
+    }
+    return NULL;
+}
+
+bool FilePath::isFile(void) {
+    return (fb->getPathType() == FilePathType);
+}
+
+FileLike* FilePath::file(void) {
+    if (isFile()) {
+        return (FileLike*)fb;
+    }
+    return NULL;
+}
+
+} // namespace mbed
diff --git a/libraries/mbed/cpp/FilePath.h b/libraries/mbed/cpp/FilePath.h
new file mode 100644
index 0000000000..2e335bfeb6
--- /dev/null
+++ b/libraries/mbed/cpp/FilePath.h
@@ -0,0 +1,45 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_FILEPATH_H
+#define MBED_FILEPATH_H
+
+#include "platform.h"
+
+#include "FileSystemLike.h"
+#include "FileLike.h"
+
+namespace mbed {
+
+class FilePath {
+public:
+    FilePath(const char* file_path);
+
+    const char* fileName(void);
+
+    bool          isFileSystem(void);
+    FileSystemLike* fileSystem(void);
+
+    bool    isFile(void);
+    FileLike* file(void);
+
+private:
+    const char* file_name;
+    FileBase* fb;
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/FileSystemLike.cpp b/libraries/mbed/cpp/FileSystemLike.cpp
new file mode 100644
index 0000000000..87ff3cc4f5
--- /dev/null
+++ b/libraries/mbed/cpp/FileSystemLike.cpp
@@ -0,0 +1,78 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "FileSystemLike.h"
+
+namespace mbed {
+
+class BaseDirHandle : public DirHandle {
+public:
+    /*
+      We keep track of our current location as the n'th object in the
+      FileSystemLike list. Using a Base* instead would cause problems if that
+      object were to be destroyed between readdirs.
+      Using this method does mean though that destroying/creating objects can
+      give unusual results from readdir.
+    */
+    off_t n;
+    struct dirent cur_entry;
+
+    BaseDirHandle() {
+        n = 0;
+    }
+
+    virtual int closedir() {
+        delete this;
+        return 0;
+    }
+
+    virtual struct dirent *readdir() {
+        FileBase *ptr = FileBase::get(n);
+        if (ptr == NULL) return NULL;
+
+        /* Increment n, so next readdir gets the next item */
+        n++;
+
+        /* Setup cur entry and return a pointer to it */
+        std::strncpy(cur_entry.d_name, ptr->getName(), NAME_MAX);
+        return &cur_entry;
+    }
+
+    virtual off_t telldir() {
+        return n;
+    }
+
+    virtual void seekdir(off_t offset) {
+        n = offset;
+    }
+
+    virtual void rewinddir() {
+        n = 0;
+    }
+};
+
+FileSystemLike::FileSystemLike(const char *name) : FileBase(name, FileSystemPathType) {
+
+}
+
+FileSystemLike::~FileSystemLike() {
+
+}
+
+DirHandle *FileSystemLike::opendir() {
+    return new BaseDirHandle();
+}
+
+} // namespace mbed
diff --git a/libraries/mbed/cpp/FileSystemLike.h b/libraries/mbed/cpp/FileSystemLike.h
new file mode 100644
index 0000000000..6680c4cb01
--- /dev/null
+++ b/libraries/mbed/cpp/FileSystemLike.h
@@ -0,0 +1,104 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_FILESYSTEMLIKE_H
+#define MBED_FILESYSTEMLIKE_H
+
+#include "platform.h"
+
+#include "FileBase.h"
+#include "FileHandle.h"
+#include "DirHandle.h"
+
+namespace mbed {
+
+/** A filesystem-like object is one that can be used to open files
+ *  though it by fopen("/name/filename", mode)
+ *
+ *  Implementations must define at least open (the default definitions
+ *  of the rest of the functions just return error values).
+ */
+class FileSystemLike : public FileBase {
+
+public:
+    /** FileSystemLike constructor
+     *
+     *  @param name The name to use for the filesystem.
+     */
+    FileSystemLike(const char *name);
+
+    virtual ~FileSystemLike();
+
+    static DirHandle *opendir();
+    friend class BaseDirHandle;
+
+    /** Opens a file from the filesystem
+     *
+     *  @param filename The name of the file to open.
+     *  @param flags One of O_RDONLY, O_WRONLY, or O_RDWR, OR'd with
+     *    zero or more of O_CREAT, O_TRUNC, or O_APPEND.
+     *
+     *  @returns
+     *    A pointer to a FileHandle object representing the
+     *   file on success, or NULL on failure.
+     */
+    virtual FileHandle *open(const char *filename, int flags) = 0;
+
+    /** Remove a file from the filesystem.
+     *
+     *  @param filename the name of the file to remove.
+     *  @param returns 0 on success, -1 on failure.
+     */
+    virtual int remove(const char *filename) { return -1; };
+
+    /** Rename a file in the filesystem.
+     *
+     *  @param oldname the name of the file to rename.
+     *  @param newname the name to rename it to.
+     *
+     *  @returns
+     *    0 on success,
+     *   -1 on failure.
+     */
+    virtual int rename(const char *oldname, const char *newname) { return -1; };
+
+    /** Opens a directory in the filesystem and returns a DirHandle
+     *   representing the directory stream.
+     *
+     *  @param name The name of the directory to open.
+     *
+     *  @returns
+     *    A DirHandle representing the directory stream, or
+     *   NULL on failure.
+     */
+    virtual DirHandle *opendir(const char *name) { return NULL; };
+
+    /** Creates a directory in the filesystem.
+     *
+     *  @param name The name of the directory to create.
+     *  @param mode The permissions to create the directory with.
+     *
+     *  @returns
+     *    0 on success,
+     *   -1 on failure.
+     */
+    virtual int mkdir(const char *name, mode_t mode) { return -1; }
+
+    // TODO other filesystem functions (mkdir, rm, rn, ls etc)
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/FunctionPointer.cpp b/libraries/mbed/cpp/FunctionPointer.cpp
new file mode 100644
index 0000000000..ab02510a18
--- /dev/null
+++ b/libraries/mbed/cpp/FunctionPointer.cpp
@@ -0,0 +1,37 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "FunctionPointer.h"
+
+namespace mbed {
+
+FunctionPointer::FunctionPointer(void (*function)(void)) {
+    attach(function);
+}
+
+void FunctionPointer::attach(void (*function)(void)) {
+    _function = function;
+    _object = 0;
+}
+
+void FunctionPointer::call(void) {
+    if (_function) {
+        _function();
+    } else if (_object) {
+        _membercaller(_object, _member);
+    }
+}
+
+} // namespace mbed
diff --git a/libraries/mbed/cpp/FunctionPointer.h b/libraries/mbed/cpp/FunctionPointer.h
new file mode 100644
index 0000000000..6e3855c03d
--- /dev/null
+++ b/libraries/mbed/cpp/FunctionPointer.h
@@ -0,0 +1,84 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_FUNCTIONPOINTER_H
+#define MBED_FUNCTIONPOINTER_H
+
+#include 
+
+namespace mbed {
+
+/** A class for storing and calling a pointer to a static or member void function
+ */
+class FunctionPointer {
+public:
+
+    /** Create a FunctionPointer, attaching a static function
+     *
+     *  @param function The void static function to attach (default is none)
+     */
+    FunctionPointer(void (*function)(void) = 0);
+
+    /** Create a FunctionPointer, attaching a member function
+     *
+     *  @param object The object pointer to invoke the member function on (i.e. the this pointer)
+     *  @param function The address of the void member function to attach
+     */
+    template
+    FunctionPointer(T *object, void (T::*member)(void)) {
+        attach(object, member);
+    }
+
+    /** Attach a static function
+     *
+     *  @param function The void static function to attach (default is none)
+     */
+    void attach(void (*function)(void) = 0);
+
+    /** Attach a member function
+     *
+     *  @param object The object pointer to invoke the member function on (i.e. the this pointer)
+     *  @param function The address of the void member function to attach
+     */
+    template
+    void attach(T *object, void (T::*member)(void)) {
+        _object = static_cast(object);
+        memcpy(_member, (char*)&member, sizeof(member));
+        _membercaller = &FunctionPointer::membercaller;
+        _function = 0;
+    }
+
+    /** Call the attached static or member function
+     */
+    void call();
+
+private:
+    template
+    static void membercaller(void *object, char *member) {
+        T* o = static_cast(object);
+        void (T::*m)(void);
+        memcpy((char*)&m, member, sizeof(m));
+        (o->*m)();
+    }
+
+    void (*_function)(void);                // static function pointer - 0 if none attached
+    void *_object;                            // object this pointer - 0 if none attached
+    char _member[16];                        // raw member function pointer storage - converted back by registered _membercaller
+    void (*_membercaller)(void*, char*);    // registered membercaller function to convert back and call _member on _object
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/I2C.cpp b/libraries/mbed/cpp/I2C.cpp
new file mode 100644
index 0000000000..bf2c3c3c81
--- /dev/null
+++ b/libraries/mbed/cpp/I2C.cpp
@@ -0,0 +1,92 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "I2C.h"
+
+#if DEVICE_I2C
+
+namespace mbed {
+
+I2C *I2C::_owner = NULL;
+
+I2C::I2C(PinName sda, PinName scl) {
+    // The init function also set the frequency to 100000
+    i2c_init(&_i2c, sda, scl);
+    _hz = 100000;
+
+    // Used to avoid unnecessary frequency updates
+    _owner = this;
+}
+
+void I2C::frequency(int hz) {
+    _hz = hz;
+
+    // We want to update the frequency even if we are already the bus owners
+    i2c_frequency(&_i2c, _hz);
+
+    // Updating the frequency of the bus we become the owners of it
+    _owner = this;
+}
+
+void I2C::aquire() {
+    if (_owner != this) {
+        i2c_frequency(&_i2c, _hz);
+        _owner = this;
+    }
+}
+
+// write - Master Transmitter Mode
+int I2C::write(int address, const char* data, int length, bool repeated) {
+    aquire();
+
+    int stop = (repeated) ? 0 : 1;
+    int retval = i2c_write(&_i2c, address, data, length, stop);
+
+    return retval;
+}
+
+int I2C::write(int data) {
+    return i2c_byte_write(&_i2c, data);
+}
+
+// read - Master Reciever Mode
+int I2C::read(int address, char* data, int length, bool repeated) {
+    aquire();
+
+    int stop = (repeated) ? 0 : 1;
+    int retval = i2c_read(&_i2c, address, data, length, stop);
+
+    return retval;
+}
+
+int I2C::read(int ack) {
+    if (ack) {
+        return i2c_byte_read(&_i2c, 0);
+    } else {
+        return i2c_byte_read(&_i2c, 1);
+    }
+}
+
+void I2C::start(void) {
+    i2c_start(&_i2c);
+}
+
+void I2C::stop(void) {
+    i2c_stop(&_i2c);
+}
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/I2C.h b/libraries/mbed/cpp/I2C.h
new file mode 100644
index 0000000000..bd7cf1223f
--- /dev/null
+++ b/libraries/mbed/cpp/I2C.h
@@ -0,0 +1,144 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_I2C_H
+#define MBED_I2C_H
+
+#include "platform.h"
+
+#if DEVICE_I2C
+
+#include "i2c_api.h"
+
+namespace mbed {
+
+/** An I2C Master, used for communicating with I2C slave devices
+ *
+ * Example:
+ * @code
+ * // Read from I2C slave at address 0x62
+ *
+ * #include "mbed.h"
+ *
+ * I2C i2c(p28, p27);
+ *
+ * int main() {
+ *     int address = 0x62;
+ *     char data[2];
+ *     i2c.read(address, data, 2);
+ * }
+ * @endcode
+ */
+class I2C {
+
+public:
+    enum RxStatus {
+        NoData,
+        MasterGeneralCall,
+        MasterWrite,
+        MasterRead
+    };
+
+    enum Acknowledge {
+        NoACK = 0,
+        ACK   = 1
+    };
+
+    /** Create an I2C Master interface, connected to the specified pins
+     *
+     *  @param sda I2C data line pin
+     *  @param scl I2C clock line pin
+     */
+    I2C(PinName sda, PinName scl);
+
+    /** Set the frequency of the I2C interface
+     *
+     *  @param hz The bus frequency in hertz
+     */
+    void frequency(int hz);
+
+    /** Read from an I2C slave
+     *
+     * Performs a complete read transaction. The bottom bit of
+     * the address is forced to 1 to indicate a read.
+     *
+     *  @param address 8-bit I2C slave address [ addr | 1 ]
+     *  @param data Pointer to the byte-array to read data in to
+     *  @param length Number of bytes to read
+     *  @param repeated Repeated start, true - don't send stop at end
+     *
+     *  @returns
+     *       0 on success (ack),
+     *   non-0 on failure (nack)
+     */
+    int read(int address, char *data, int length, bool repeated = false);
+
+    /** Read a single byte from the I2C bus
+     *
+     *  @param ack indicates if the byte is to be acknowledged (1 = acknowledge)
+     *
+     *  @returns
+     *    the byte read
+     */
+    int read(int ack);
+
+    /** Write to an I2C slave
+     *
+     * Performs a complete write transaction. The bottom bit of
+     * the address is forced to 0 to indicate a write.
+     *
+     *  @param address 8-bit I2C slave address [ addr | 0 ]
+     *  @param data Pointer to the byte-array data to send
+     *  @param length Number of bytes to send
+     *  @param repeated Repeated start, true - do not send stop at end
+     *
+     *  @returns
+     *       0 on success (ack),
+     *   non-0 on failure (nack)
+     */
+    int write(int address, const char *data, int length, bool repeated = false);
+
+    /** Write single byte out on the I2C bus
+     *
+     *  @param data data to write out on bus
+     *
+     *  @returns
+     *    '1' if an ACK was received,
+     *    '0' otherwise
+     */
+    int write(int data);
+
+    /** Creates a start condition on the I2C bus
+     */
+
+    void start(void);
+
+    /** Creates a stop condition on the I2C bus
+     */
+    void stop(void);
+
+protected:
+    void aquire();
+
+    i2c_t _i2c;
+    static I2C  *_owner;
+    int         _hz;
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/I2CSlave.cpp b/libraries/mbed/cpp/I2CSlave.cpp
new file mode 100644
index 0000000000..43ee3f1fa2
--- /dev/null
+++ b/libraries/mbed/cpp/I2CSlave.cpp
@@ -0,0 +1,63 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "I2CSlave.h"
+
+#if DEVICE_I2CSLAVE
+
+namespace mbed {
+
+I2CSlave::I2CSlave(PinName sda, PinName scl) {
+    i2c_init(&_i2c, sda, scl);
+    i2c_frequency(&_i2c, 100000);
+    i2c_slave_mode(&_i2c, 1);
+}
+
+void I2CSlave::frequency(int hz) {
+    i2c_frequency(&_i2c, hz);
+}
+
+void I2CSlave::address(int address) {
+    int addr = (address & 0xFF) | 1;
+    i2c_slave_address(&_i2c, 0, addr, 0);
+}
+
+int I2CSlave::receive(void) {
+    return i2c_slave_receive(&_i2c);
+}
+
+int I2CSlave::read(char *data, int length) {
+    return i2c_slave_read(&_i2c, data, length);
+}
+
+int I2CSlave::read(void) {
+    return i2c_byte_read(&_i2c, 0);
+}
+
+int I2CSlave::write(const char *data, int length) {
+    return i2c_slave_write(&_i2c, data, length);
+}
+
+int I2CSlave::write(int data) {
+    return i2c_byte_write(&_i2c, data);
+}
+
+void I2CSlave::stop(void) {
+    i2c_stop(&_i2c);
+}
+
+}
+
+#endif
diff --git a/libraries/mbed/cpp/I2CSlave.h b/libraries/mbed/cpp/I2CSlave.h
new file mode 100644
index 0000000000..738faea27e
--- /dev/null
+++ b/libraries/mbed/cpp/I2CSlave.h
@@ -0,0 +1,154 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_I2C_SLAVE_H
+#define MBED_I2C_SLAVE_H
+
+#include "platform.h"
+
+#if DEVICE_I2CSLAVE
+
+#include "i2c_api.h"
+
+namespace mbed {
+
+/** An I2C Slave, used for communicating with an I2C Master device
+ *
+ * Example:
+ * @code
+ * // Simple I2C responder
+ * #include 
+ *
+ * I2CSlave slave(p9, p10);
+ *
+ * int main() {
+ *     char buf[10];
+ *     char msg[] = "Slave!";
+ *
+ *     slave.address(0xA0);
+ *     while (1) {
+ *         int i = slave.receive();
+ *         switch (i) {
+ *             case I2CSlave::ReadAddressed:
+ *                 slave.write(msg, strlen(msg) + 1); // Includes null char
+ *                 break;
+ *             case I2CSlave::WriteGeneral:
+ *                 slave.read(buf, 10);
+ *                 printf("Read G: %s\n", buf);
+ *                 break;
+ *             case I2CSlave::WriteAddressed:
+ *                 slave.read(buf, 10);
+ *                 printf("Read A: %s\n", buf);
+ *                 break;
+ *         }
+ *         for(int i = 0; i < 10; i++) buf[i] = 0;    // Clear buffer
+ *     }
+ * }
+ * @endcode
+ */
+class I2CSlave {
+
+public:
+    enum RxStatus {
+        NoData         = 0,
+        ReadAddressed  = 1,
+        WriteGeneral   = 2,
+        WriteAddressed = 3
+    };
+
+    /** Create an I2C Slave interface, connected to the specified pins.
+     *
+     *  @param sda I2C data line pin
+     *  @param scl I2C clock line pin
+     */
+    I2CSlave(PinName sda, PinName scl);
+
+    /** Set the frequency of the I2C interface
+     *
+     *  @param hz The bus frequency in hertz
+     */
+    void frequency(int hz);
+
+    /** Checks to see if this I2C Slave has been addressed.
+     *
+     *  @returns
+     *  A status indicating if the device has been addressed, and how
+     *  - NoData            - the slave has not been addressed
+     *  - ReadAddressed     - the master has requested a read from this slave
+     *  - WriteAddressed    - the master is writing to this slave
+     *  - WriteGeneral      - the master is writing to all slave
+     */
+    int receive(void);
+
+    /** Read from an I2C master.
+     *
+     *  @param data pointer to the byte array to read data in to
+     *  @param length maximum number of bytes to read
+     *
+     *  @returns
+     *       0 on success,
+     *   non-0 otherwise
+     */
+    int read(char *data, int length);
+
+    /** Read a single byte from an I2C master.
+     *
+     *  @returns
+     *    the byte read
+     */
+    int read(void);
+
+    /** Write to an I2C master.
+     *
+     *  @param data pointer to the byte array to be transmitted
+     *  @param length the number of bytes to transmite
+     *
+     *  @returns
+     *       0 on success,
+     *   non-0 otherwise
+     */
+    int write(const char *data, int length);
+
+    /** Write a single byte to an I2C master.
+     *
+     *  @data the byte to write
+     *
+     *  @returns
+     *    '1' if an ACK was received,
+     *    '0' otherwise
+     */
+    int write(int data);
+
+    /** Sets the I2C slave address.
+     *
+     *  @param address The address to set for the slave (ignoring the least
+     *  signifcant bit). If set to 0, the slave will only respond to the
+     *  general call address.
+     */
+    void address(int address);
+
+    /** Reset the I2C slave back into the known ready receiving state.
+     */
+    void stop(void);
+
+protected:
+    i2c_t _i2c;
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/InterruptIn.cpp b/libraries/mbed/cpp/InterruptIn.cpp
new file mode 100644
index 0000000000..5aba42e605
--- /dev/null
+++ b/libraries/mbed/cpp/InterruptIn.cpp
@@ -0,0 +1,74 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "InterruptIn.h"
+
+#if DEVICE_INTERRUPTIN
+
+namespace mbed {
+
+InterruptIn::InterruptIn(PinName pin) {
+    gpio_irq_init(&gpio_irq, pin, (&InterruptIn::_irq_handler), (uint32_t)this);
+    gpio_init(&gpio, pin, PIN_INPUT);
+}
+
+InterruptIn::~InterruptIn() {
+    gpio_irq_free(&gpio_irq);
+}
+
+int InterruptIn::read() {
+    return gpio_read(&gpio);
+}
+
+void InterruptIn::mode(PinMode pull) {
+    gpio_mode(&gpio, pull);
+}
+
+void InterruptIn::rise(void (*fptr)(void)) {
+    if (fptr) {
+        _rise.attach(fptr);
+        gpio_irq_set(&gpio_irq, IRQ_RISE, 1);
+    } else {
+        gpio_irq_set(&gpio_irq, IRQ_RISE, 0);
+    }
+}
+
+void InterruptIn::fall(void (*fptr)(void)) {
+    if (fptr) {
+        _fall.attach(fptr);
+        gpio_irq_set(&gpio_irq, IRQ_FALL, 1);
+    } else {
+        gpio_irq_set(&gpio_irq, IRQ_FALL, 0);
+    }
+}
+
+void InterruptIn::_irq_handler(uint32_t id, gpio_irq_event event) {
+    InterruptIn *handler = (InterruptIn*)id;
+    switch (event) {
+        case IRQ_RISE: handler->_rise.call(); break;
+        case IRQ_FALL: handler->_fall.call(); break;
+        case IRQ_NONE: break;
+    }
+}
+
+#ifdef MBED_OPERATORS
+InterruptIn::operator int() {
+    return read();
+}
+#endif
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/InterruptIn.h b/libraries/mbed/cpp/InterruptIn.h
new file mode 100644
index 0000000000..2889ee14e1
--- /dev/null
+++ b/libraries/mbed/cpp/InterruptIn.h
@@ -0,0 +1,126 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_INTERRUPTIN_H
+#define MBED_INTERRUPTIN_H
+
+#include "platform.h"
+
+#if DEVICE_INTERRUPTIN
+
+#include "gpio_api.h"
+#include "gpio_irq_api.h"
+
+#include "FunctionPointer.h"
+
+namespace mbed {
+
+/** A digital interrupt input, used to call a function on a rising or falling edge
+ *
+ * Example:
+ * @code
+ * // Flash an LED while waiting for events
+ *
+ * #include "mbed.h"
+ *
+ * InterruptIn event(p16);
+ * DigitalOut led(LED1);
+ *
+ * void trigger() {
+ *     printf("triggered!\n");
+ * }
+ *
+ * int main() {
+ *     event.rise(&trigger);
+ *     while(1) {
+ *         led = !led;
+ *         wait(0.25);
+ *     }
+ * }
+ * @endcode
+ */
+class InterruptIn {
+
+public:
+
+    /** Create an InterruptIn connected to the specified pin
+     *
+     *  @param pin InterruptIn pin to connect to
+     *  @param name (optional) A string to identify the object
+     */
+    InterruptIn(PinName pin);
+    virtual ~InterruptIn();
+
+     int read();
+#ifdef MBED_OPERATORS
+    operator int();
+
+#endif
+
+    /** Attach a function to call when a rising edge occurs on the input
+     *
+     *  @param fptr A pointer to a void function, or 0 to set as none
+     */
+    void rise(void (*fptr)(void));
+
+    /** Attach a member function to call when a rising edge occurs on the input
+     *
+     *  @param tptr pointer to the object to call the member function on
+     *  @param mptr pointer to the member function to be called
+     */
+    template
+    void rise(T* tptr, void (T::*mptr)(void)) {
+        _rise.attach(tptr, mptr);
+        gpio_irq_set(&gpio_irq, IRQ_RISE, 1);
+    }
+
+    /** Attach a function to call when a falling edge occurs on the input
+     *
+     *  @param fptr A pointer to a void function, or 0 to set as none
+     */
+    void fall(void (*fptr)(void));
+
+    /** Attach a member function to call when a falling edge occurs on the input
+     *
+     *  @param tptr pointer to the object to call the member function on
+     *  @param mptr pointer to the member function to be called
+     */
+    template
+    void fall(T* tptr, void (T::*mptr)(void)) {
+        _fall.attach(tptr, mptr);
+        gpio_irq_set(&gpio_irq, IRQ_FALL, 1);
+    }
+
+    /** Set the input pin mode
+     *
+     *  @param mode PullUp, PullDown, PullNone
+     */
+    void mode(PinMode pull);
+
+    static void _irq_handler(uint32_t id, gpio_irq_event event);
+
+protected:
+    gpio_t gpio;
+    gpio_irq_t gpio_irq;
+
+    FunctionPointer _rise;
+    FunctionPointer _fall;
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/LocalFileSystem.cpp b/libraries/mbed/cpp/LocalFileSystem.cpp
new file mode 100644
index 0000000000..691eb1f22e
--- /dev/null
+++ b/libraries/mbed/cpp/LocalFileSystem.cpp
@@ -0,0 +1,226 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "LocalFileSystem.h"
+
+#if DEVICE_LOCALFILESYSTEM
+
+#include "semihost_api.h"
+#include 
+#include 
+
+namespace mbed {
+
+/* Extension to FINFO type defined in RTL.h (in Keil RL) - adds 'create time'. */
+typedef struct {
+    unsigned char  hr;   /* Hours    [0..23]                  */
+    unsigned char  min;  /* Minutes  [0..59]                  */
+    unsigned char  sec;  /* Seconds  [0..59]                  */
+    unsigned char  day;  /* Day      [1..31]                  */
+    unsigned char  mon;  /* Month    [1..12]                  */
+    unsigned short year; /* Year     [1980..2107]             */
+} FTIME;
+
+typedef struct {         /* File Search info record           */
+    char  name[32];      /* File name                         */
+    long  size;          /* File size in bytes                */
+    int   fileID;        /* System File Identification        */
+    FTIME create_time;   /* Date & time file was created      */
+    FTIME write_time;    /* Date & time of last write         */
+} XFINFO;
+
+#define RESERVED_FOR_USER_APPLICATIONS (0x100) /* 0x100 - 0x1ff */
+#define USR_XFFIND (RESERVED_FOR_USER_APPLICATIONS + 0)
+
+static int xffind (const char *pattern, XFINFO *info) {
+    unsigned param[4];
+
+    param[0] = (unsigned long)pattern;
+    param[1] = (unsigned long)strlen(pattern);
+    param[2] = (unsigned long)info;
+    param[3] = (unsigned long)sizeof(XFINFO);
+
+    return __semihost(USR_XFFIND, param);
+}
+
+#define OPEN_R          0
+#define OPEN_B          1
+#define OPEN_PLUS       2
+#define OPEN_W          4
+#define OPEN_A          8
+#define OPEN_INVALID   -1
+
+int posix_to_semihost_open_flags(int flags) {
+    /* POSIX flags -> semihosting open mode */
+    int openmode;
+    if (flags & O_RDWR) {
+        /* a plus mode */
+        openmode = OPEN_PLUS;
+        if (flags & O_APPEND) {
+            openmode |= OPEN_A;
+        } else if (flags & O_TRUNC) {
+            openmode |= OPEN_W;
+        } else {
+            openmode |= OPEN_R;
+        }
+    } else if (flags & O_WRONLY) {
+        /* write or append */
+        if (flags & O_APPEND) {
+            openmode = OPEN_A;
+        } else {
+            openmode = OPEN_W;
+        }
+    } else if (flags == O_RDONLY) {
+        /* read mode */
+        openmode = OPEN_R;
+    } else {
+        /* invalid flags */
+        openmode = OPEN_INVALID;
+    }
+
+    return openmode;
+}
+
+FILEHANDLE local_file_open(const char* name, int flags) {
+    int openmode = posix_to_semihost_open_flags(flags);
+    if (openmode == OPEN_INVALID) {
+        return (FILEHANDLE)NULL;
+    }
+
+    FILEHANDLE fh = semihost_open(name, openmode);
+    if (fh == -1) {
+        return (FILEHANDLE)NULL;
+    }
+
+    return fh;
+}
+
+LocalFileHandle::LocalFileHandle(FILEHANDLE fh) {
+    _fh = fh;
+    pos = 0;
+}
+
+int LocalFileHandle::close() {
+    int retval = semihost_close(_fh);
+    delete this;
+    return retval;
+}
+
+ssize_t LocalFileHandle::write(const void *buffer, size_t length) {
+    ssize_t n = semihost_write(_fh, (const unsigned char*)buffer, length, 0); // number of characters not written
+    n = length - n; // number of characters written
+    pos += n;
+    return n;
+}
+
+ssize_t LocalFileHandle::read(void *buffer, size_t length) {
+    ssize_t n = semihost_read(_fh, (unsigned char*)buffer, length, 0); // number of characters not read
+    n = length - n; // number of characters read
+    pos += n;
+    return n;
+}
+
+int LocalFileHandle::isatty() {
+    return semihost_istty(_fh);
+}
+
+off_t LocalFileHandle::lseek(off_t position, int whence) {
+    if (whence == SEEK_CUR) {
+        position += pos;
+    } else if (whence == SEEK_END) {
+        position += semihost_flen(_fh);
+    } /* otherwise SEEK_SET, so position is fine */
+
+    /* Always seems to return -1, so just ignore for now. */
+    semihost_seek(_fh, position);
+    pos = position;
+    return position;
+}
+
+int LocalFileHandle::fsync() {
+    return semihost_ensure(_fh);
+}
+
+off_t LocalFileHandle::flen() {
+    return semihost_flen(_fh);
+}
+
+class LocalDirHandle : public DirHandle {
+
+public:
+    struct dirent cur_entry;
+    XFINFO info;
+
+    LocalDirHandle() {
+        info.fileID = 0;
+    }
+
+    virtual int closedir() {
+        delete this;
+        return 0;
+    }
+
+    virtual struct dirent *readdir() {
+        if (xffind("*", &info)!=0) {
+            return NULL;
+        }
+        memcpy(cur_entry.d_name, info.name, sizeof(info.name));
+        return &cur_entry;
+    }
+
+    virtual void rewinddir() {
+        info.fileID = 0;
+    }
+
+    virtual off_t telldir() {
+        return info.fileID;
+    }
+
+    virtual void seekdir(off_t offset) {
+        info.fileID = offset;
+    }
+};
+
+FileHandle *LocalFileSystem::open(const char* name, int flags) {
+    /* reject filenames with / in them */
+    for (const char *tmp = name; *tmp; tmp++) {
+        if (*tmp == '/') {
+            return NULL;
+        }
+    }
+
+    int openmode = posix_to_semihost_open_flags(flags);
+    if (openmode == OPEN_INVALID) {
+        return NULL;
+    }
+
+    FILEHANDLE fh = semihost_open(name, openmode);
+    if (fh == -1) {
+        return NULL;
+    }
+    return new LocalFileHandle(fh);
+}
+
+int LocalFileSystem::remove(const char *filename) {
+    return semihost_remove(filename);
+}
+
+DirHandle *LocalFileSystem::opendir(const char *name) {
+    return new LocalDirHandle();
+}
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/LocalFileSystem.h b/libraries/mbed/cpp/LocalFileSystem.h
new file mode 100644
index 0000000000..9eb61a4b95
--- /dev/null
+++ b/libraries/mbed/cpp/LocalFileSystem.h
@@ -0,0 +1,103 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_LOCALFILESYSTEM_H
+#define MBED_LOCALFILESYSTEM_H
+
+#include "platform.h"
+
+#if DEVICE_LOCALFILESYSTEM
+
+#include "FileSystemLike.h"
+
+namespace mbed {
+
+FILEHANDLE local_file_open(const char* name, int flags);
+
+class LocalFileHandle : public FileHandle {
+
+public:
+    LocalFileHandle(FILEHANDLE fh);
+
+    virtual int close();
+
+    virtual ssize_t write(const void *buffer, size_t length);
+
+    virtual ssize_t read(void *buffer, size_t length);
+
+    virtual int isatty();
+
+    virtual off_t lseek(off_t position, int whence);
+
+    virtual int fsync();
+
+    virtual off_t flen();
+
+protected:
+    FILEHANDLE _fh;
+    int pos;
+};
+
+/** A filesystem for accessing the local mbed Microcontroller USB disk drive
+ *
+ *  This allows programs to read and write files on the same disk drive that is used to program the
+ *  mbed Microcontroller. Once created, the standard C file access functions are used to open,
+ *  read and write files.
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ *
+ * LocalFileSystem local("local");               // Create the local filesystem under the name "local"
+ *
+ * int main() {
+ *     FILE *fp = fopen("/local/out.txt", "w");  // Open "out.txt" on the local file system for writing
+ *     fprintf(fp, "Hello World!");
+ *     fclose(fp);
+ *     remove("/local/out.txt");                 // Removes the file "out.txt" from the local file system
+ *
+ *     DIR *d = opendir("/local");               // Opens the root directory of the local file system
+ *     struct dirent *p;
+ *     while((p = readdir(d)) != NULL) {         // Print the names of the files in the local file system
+ *       printf("%s\n", p->d_name);              // to stdout.
+ *     }
+ *     closedir(d);
+ * }
+ * @endcode
+ *
+ * @note
+ *  If the microcontroller program makes an access to the local drive, it will be marked as "removed"
+ *  on the Host computer. This means it is no longer accessible from the Host Computer.
+ *
+ *  The drive will only re-appear when the microcontroller program exists. Note that if the program does
+ *  not exit, you will need to hold down reset on the mbed Microcontroller to be able to see the drive again!
+ */
+class LocalFileSystem : public FileSystemLike {
+
+public:
+    LocalFileSystem(const char* n) : FileSystemLike(n) {
+
+    }
+
+    virtual FileHandle *open(const char* name, int flags);
+    virtual int remove(const char *filename);
+    virtual DirHandle *opendir(const char *name);
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/PortIn.h b/libraries/mbed/cpp/PortIn.h
new file mode 100644
index 0000000000..44686325cf
--- /dev/null
+++ b/libraries/mbed/cpp/PortIn.h
@@ -0,0 +1,93 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PORTIN_H
+#define MBED_PORTIN_H
+
+#include "platform.h"
+
+#if DEVICE_PORTIN
+
+#include "port_api.h"
+
+namespace mbed {
+
+/** A multiple pin digital input
+ *
+ *  Example:
+ * @code
+ * // Switch on an LED if any of mbed pins 21-26 is high
+ *
+ * #include "mbed.h"
+ *
+ * PortIn     p(Port2, 0x0000003F);   // p21-p26
+ * DigitalOut ind(LED4);
+ *
+ * int main() {
+ *     while(1) {
+ *         int pins = p.read();
+ *         if(pins) {
+ *             ind = 1;
+ *         } else {
+ *             ind = 0;
+ *         }
+ *     }
+ * }
+ * @endcode
+ */
+class PortIn {
+public:
+
+    /** Create an PortIn, connected to the specified port
+     *
+     *  @param port Port to connect to (Port0-Port5)
+     *  @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
+        */
+    PortIn(PortName port, int mask = 0xFFFFFFFF) {
+        port_init(&_port, port, mask, PIN_INPUT);
+    }
+
+    /** Read the value currently output on the port
+     *
+     *  @returns
+     *    An integer with each bit corresponding to associated port pin setting
+     */
+    int read() {
+        return port_read(&_port);
+    }
+
+    /** Set the input pin mode
+     *
+     *  @param mode PullUp, PullDown, PullNone, OpenDrain
+     */
+    void mode(PinMode mode) {
+        port_mode(&_port, mode);
+    }
+
+    /** A shorthand for read()
+     */
+    operator int() {
+        return read();
+    }
+
+private:
+    port_t _port;
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/PortInOut.h b/libraries/mbed/cpp/PortInOut.h
new file mode 100644
index 0000000000..cca755126a
--- /dev/null
+++ b/libraries/mbed/cpp/PortInOut.h
@@ -0,0 +1,104 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PORTINOUT_H
+#define MBED_PORTINOUT_H
+
+#include "platform.h"
+
+#if DEVICE_PORTINOUT
+
+#include "port_api.h"
+
+namespace mbed {
+
+/** A multiple pin digital in/out used to set/read multiple bi-directional pins
+ */
+class PortInOut {
+public:
+
+    /** Create an PortInOut, connected to the specified port
+     *
+     *  @param port Port to connect to (Port0-Port5)
+     *  @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
+     */
+    PortInOut(PortName port, int mask = 0xFFFFFFFF) {
+        port_init(&_port, port, mask, PIN_INPUT);
+    }
+
+    /** Write the value to the output port
+     *
+     *  @param value An integer specifying a bit to write for every corresponding port pin
+     */
+    void write(int value) {
+        port_write(&_port, value);
+    }
+
+    /** Read the value currently output on the port
+     *
+     *  @returns
+     *    An integer with each bit corresponding to associated port pin setting
+     */
+    int read() {
+        return port_read(&_port);
+    }
+
+    /** Set as an output
+     */
+    void output() {
+        port_dir(&_port, PIN_OUTPUT);
+    }
+
+    /** Set as an input
+     */
+    void input() {
+        port_dir(&_port, PIN_INPUT);
+    }
+
+    /** Set the input pin mode
+     *
+     *  @param mode PullUp, PullDown, PullNone, OpenDrain
+     */
+    void mode(PinMode mode) {
+        port_mode(&_port, mode);
+    }
+
+    /** A shorthand for write()
+     */
+    PortInOut& operator= (int value) {
+        write(value);
+        return *this;
+    }
+
+    PortInOut& operator= (PortInOut& rhs) {
+        write(rhs.read());
+        return *this;
+    }
+
+    /** A shorthand for read()
+     */
+    operator int() {
+        return read();
+    }
+
+private:
+    port_t _port;
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/PortOut.h b/libraries/mbed/cpp/PortOut.h
new file mode 100644
index 0000000000..bab5fe0c65
--- /dev/null
+++ b/libraries/mbed/cpp/PortOut.h
@@ -0,0 +1,104 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PORTOUT_H
+#define MBED_PORTOUT_H
+
+#include "platform.h"
+
+#if DEVICE_PORTOUT
+
+#include "port_api.h"
+
+namespace mbed {
+/** A multiple pin digital out
+ *
+ * Example:
+ * @code
+ * // Toggle all four LEDs
+ *
+ * #include "mbed.h"
+ *
+ * // LED1 = P1.18  LED2 = P1.20  LED3 = P1.21  LED4 = P1.23
+ * #define LED_MASK 0x00B40000
+ *
+ * PortOut ledport(Port1, LED_MASK);
+ *
+ * int main() {
+ *     while(1) {
+ *         ledport = LED_MASK;
+ *         wait(1);
+ *         ledport = 0;
+ *         wait(1);
+ *     }
+ * }
+ * @endcode
+ */
+class PortOut {
+public:
+
+    /** Create an PortOut, connected to the specified port
+     *
+     *  @param port Port to connect to (Port0-Port5)
+     *  @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
+     */
+    PortOut(PortName port, int mask = 0xFFFFFFFF) {
+        port_init(&_port, port, mask, PIN_OUTPUT);
+    }
+
+    /** Write the value to the output port
+     *
+     *  @param value An integer specifying a bit to write for every corresponding PortOut pin
+     */
+    void write(int value) {
+        port_write(&_port, value);
+    }
+
+    /** Read the value currently output on the port
+     *
+     *  @returns
+     *    An integer with each bit corresponding to associated PortOut pin setting
+     */
+    int read() {
+        return port_read(&_port);
+    }
+
+    /** A shorthand for write()
+     */
+    PortOut& operator= (int value) {
+        write(value);
+        return *this;
+    }
+
+    PortOut& operator= (PortOut& rhs) {
+        write(rhs.read());
+        return *this;
+    }
+
+    /** A shorthand for read()
+     */
+    operator int() {
+        return read();
+    }
+
+private:
+    port_t _port;
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/PwmOut.h b/libraries/mbed/cpp/PwmOut.h
new file mode 100644
index 0000000000..9e8c0bdf29
--- /dev/null
+++ b/libraries/mbed/cpp/PwmOut.h
@@ -0,0 +1,158 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PWMOUT_H
+#define MBED_PWMOUT_H
+
+#include "platform.h"
+
+#if DEVICE_PWMOUT
+#include "pwmout_api.h"
+
+namespace mbed {
+
+/** A pulse-width modulation digital output
+ *
+ * Example
+ * @code
+ * // Fade a led on.
+ * #include "mbed.h"
+ *
+ * PwmOut led(LED1);
+ *
+ * int main() {
+ *     while(1) {
+ *         led = led + 0.01;
+ *         wait(0.2);
+ *         if(led == 1.0) {
+ *             led = 0;
+ *         }
+ *     }
+ * }
+ * @endcode
+ *
+ * @note
+ *  On the LPC1768 and LPC2368, the PWMs all share the same
+ *  period - if you change the period for one, you change it for all.
+ *  Although routines that change the period maintain the duty cycle
+ *  for its PWM, all other PWMs will require their duty cycle to be
+ *  refreshed.
+ */
+class PwmOut {
+
+public:
+
+    /** Create a PwmOut connected to the specified pin
+     *
+     *  @param pin PwmOut pin to connect to
+     */
+    PwmOut(PinName pin) {
+        pwmout_init(&_pwm, pin);
+    }
+
+    /** Set the ouput duty-cycle, specified as a percentage (float)
+     *
+     *  @param value A floating-point value representing the output duty-cycle,
+     *    specified as a percentage. The value should lie between
+     *    0.0f (representing on 0%) and 1.0f (representing on 100%).
+     *    Values outside this range will be saturated to 0.0f or 1.0f.
+     */
+    void write(float value) {
+        pwmout_write(&_pwm, value);
+    }
+
+    /** Return the current output duty-cycle setting, measured as a percentage (float)
+     *
+     *  @returns
+     *    A floating-point value representing the current duty-cycle being output on the pin,
+     *    measured as a percentage. The returned value will lie between
+     *    0.0f (representing on 0%) and 1.0f (representing on 100%).
+     *
+     *  @note
+     *  This value may not match exactly the value set by a previous .
+     */
+    float read() {
+        return pwmout_read(&_pwm);
+    }
+
+    /** Set the PWM period, specified in seconds (float), keeping the duty cycle the same.
+     *
+     *  @note
+     *   The resolution is currently in microseconds; periods smaller than this
+     *   will be set to zero.
+     */
+    void period(float seconds) {
+        pwmout_period(&_pwm, seconds);
+    }
+
+    /** Set the PWM period, specified in milli-seconds (int), keeping the duty cycle the same.
+     */
+    void period_ms(int ms) {
+        pwmout_period_ms(&_pwm, ms);
+    }
+
+    /** Set the PWM period, specified in micro-seconds (int), keeping the duty cycle the same.
+     */
+    void period_us(int us) {
+        pwmout_period_us(&_pwm, us);
+    }
+
+    /** Set the PWM pulsewidth, specified in seconds (float), keeping the period the same.
+     */
+    void pulsewidth(float seconds) {
+        pwmout_pulsewidth(&_pwm, seconds);
+    }
+
+    /** Set the PWM pulsewidth, specified in milli-seconds (int), keeping the period the same.
+     */
+    void pulsewidth_ms(int ms) {
+        pwmout_pulsewidth_ms(&_pwm, ms);
+    }
+
+    /** Set the PWM pulsewidth, specified in micro-seconds (int), keeping the period the same.
+     */
+    void pulsewidth_us(int us) {
+        pwmout_pulsewidth_us(&_pwm, us);
+    }
+
+#ifdef MBED_OPERATORS
+    /** A operator shorthand for write()
+     */
+    PwmOut& operator= (float value) {
+        write(value);
+        return *this;
+    }
+
+    PwmOut& operator= (PwmOut& rhs) {
+        write(rhs.read());
+        return *this;
+    }
+
+    /** An operator shorthand for read()
+     */
+    operator float() {
+        return read();
+    }
+#endif
+
+protected:
+    pwmout_t _pwm;
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/SPI.cpp b/libraries/mbed/cpp/SPI.cpp
new file mode 100644
index 0000000000..47634a0303
--- /dev/null
+++ b/libraries/mbed/cpp/SPI.cpp
@@ -0,0 +1,62 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "SPI.h"
+
+#if DEVICE_SPI
+
+namespace mbed {
+
+SPI::SPI(PinName mosi, PinName miso, PinName sclk) {
+    spi_init(&_spi, mosi, miso, sclk, NC);
+    _bits = 8;
+    _mode = 0;
+    _hz = 1000000;
+    spi_format(&_spi, _bits, _mode, 0);
+    spi_frequency(&_spi, _hz);
+}
+
+void SPI::format(int bits, int mode) {
+    _bits = bits;
+    _mode = mode;
+    SPI::_owner = NULL; // Not that elegant, but works. rmeyer
+    aquire();
+}
+
+void SPI::frequency(int hz) {
+    _hz = hz;
+    SPI::_owner = NULL; // Not that elegant, but works. rmeyer
+    aquire();
+}
+
+SPI* SPI::_owner = NULL;
+
+// ignore the fact there are multiple physical spis, and always update if it wasnt us last
+void SPI::aquire() {
+     if (_owner != this) {
+        spi_format(&_spi, _bits, _mode, 0);
+        spi_frequency(&_spi, _hz);
+        _owner = this;
+    }
+}
+
+int SPI::write(int value) {
+    aquire();
+    return spi_master_write(&_spi, value);
+}
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/SPI.h b/libraries/mbed/cpp/SPI.h
new file mode 100644
index 0000000000..cdb773113b
--- /dev/null
+++ b/libraries/mbed/cpp/SPI.h
@@ -0,0 +1,109 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_SPI_H
+#define MBED_SPI_H
+
+#include "platform.h"
+
+#if DEVICE_SPI
+
+#include "spi_api.h"
+
+namespace mbed {
+
+/** A SPI Master, used for communicating with SPI slave devices
+ *
+ * The default format is set to 8-bits, mode 0, and a clock frequency of 1MHz
+ *
+ * Most SPI devices will also require Chip Select and Reset signals. These
+ * can be controlled using  pins
+ *
+ * Example:
+ * @code
+ * // Send a byte to a SPI slave, and record the response
+ *
+ * #include "mbed.h"
+ *
+ * SPI device(p5, p6, p7); // mosi, miso, sclk
+ *
+ * int main() {
+ *     int response = device.write(0xFF);
+ * }
+ * @endcode
+ */
+class SPI {
+
+public:
+
+    /** Create a SPI master connected to the specified pins
+     *
+     * Pin Options:
+     *  (5, 6, 7) or (11, 12, 13)
+     *
+     *  mosi or miso can be specfied as NC if not used
+     *
+     *  @param mosi SPI Master Out, Slave In pin
+     *  @param miso SPI Master In, Slave Out pin
+     *  @param sclk SPI Clock pin
+     */
+    SPI(PinName mosi, PinName miso, PinName sclk);
+
+    /** Configure the data transmission format
+     *
+     *  @param bits Number of bits per SPI frame (4 - 16)
+     *  @param mode Clock polarity and phase mode (0 - 3)
+     *
+     * @code
+     * mode | POL PHA
+     * -----+--------
+     *   0  |  0   0
+     *   1  |  0   1
+     *   2  |  1   0
+     *   3  |  1   1
+     * @endcode
+     */
+    void format(int bits, int mode = 0);
+
+    /** Set the spi bus clock frequency
+     *
+     *  @param hz SCLK frequency in hz (default = 1MHz)
+     */
+    void frequency(int hz = 1000000);
+
+    /** Write to the SPI Slave and return the response
+     *
+     *  @param value Data to be sent to the SPI slave
+     *
+     *  @returns
+     *    Response from the SPI slave
+    */
+    virtual int write(int value);
+
+protected:
+    spi_t _spi;
+
+    void aquire(void);
+    static SPI *_owner;
+    int _bits;
+    int _mode;
+    int _hz;
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/SPISlave.cpp b/libraries/mbed/cpp/SPISlave.cpp
new file mode 100644
index 0000000000..86c63333ec
--- /dev/null
+++ b/libraries/mbed/cpp/SPISlave.cpp
@@ -0,0 +1,56 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "SPISlave.h"
+
+#if DEVICE_SPISLAVE
+
+namespace mbed {
+
+SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) {
+    spi_init(&_spi, mosi, miso, sclk, ssel);
+    _bits = 8;
+    _mode = 0;
+    _hz = 1000000;
+    spi_format(&_spi, _bits, _mode, 1);
+    spi_frequency(&_spi, _hz);
+}
+
+void SPISlave::format(int bits, int mode) {
+    _bits = bits;
+    _mode = mode;
+    spi_format(&_spi, _bits, _mode, 1);
+}
+
+void SPISlave::frequency(int hz) {
+    _hz = hz;
+    spi_frequency(&_spi, _hz);
+}
+
+int SPISlave::receive(void) {
+    return(spi_slave_receive(&_spi));
+}
+
+int SPISlave::read(void) {
+    return(spi_slave_read(&_spi));
+}
+
+void SPISlave::reply(int value) {
+    spi_slave_write(&_spi, value);
+}
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/SPISlave.h b/libraries/mbed/cpp/SPISlave.h
new file mode 100644
index 0000000000..d06c7e1b44
--- /dev/null
+++ b/libraries/mbed/cpp/SPISlave.h
@@ -0,0 +1,126 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_SPISLAVE_H
+#define MBED_SPISLAVE_H
+
+#include "platform.h"
+
+#if DEVICE_SPISLAVE
+
+#include "spi_api.h"
+
+namespace mbed {
+
+/** A SPI slave, used for communicating with a SPI Master device
+ *
+ * The default format is set to 8-bits, mode 0, and a clock frequency of 1MHz
+ *
+ * Example:
+ * @code
+ * // Reply to a SPI master as slave
+ *
+ * #include "mbed.h"
+ *
+ * SPISlave device(p5, p6, p7, p8); // mosi, miso, sclk, ssel
+ *
+ * int main() {
+ *     device.reply(0x00);              // Prime SPI with first reply
+ *     while(1) {
+ *         if(device.receive()) {
+ *             int v = device.read();   // Read byte from master
+ *             v = (v + 1) % 0x100;     // Add one to it, modulo 256
+ *             device.reply(v);         // Make this the next reply
+ *         }
+ *     }
+ * }
+ * @endcode
+ */
+class SPISlave {
+
+public:
+
+    /** Create a SPI slave connected to the specified pins
+     *
+     * Pin Options:
+     *  (5, 6, 7i, 8) or (11, 12, 13, 14)
+     *
+     *  mosi or miso can be specfied as NC if not used
+     *
+     *  @param mosi SPI Master Out, Slave In pin
+     *  @param miso SPI Master In, Slave Out pin
+     *  @param sclk SPI Clock pin
+     *  @param ssel SPI chip select pin
+     *  @param name (optional) A string to identify the object
+     */
+    SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel);
+
+    /** Configure the data transmission format
+     *
+     *  @param bits Number of bits per SPI frame (4 - 16)
+     *  @param mode Clock polarity and phase mode (0 - 3)
+     *
+     * @code
+     * mode | POL PHA
+     * -----+--------
+     *   0  |  0   0
+     *   1  |  0   1
+     *   2  |  1   0
+     *   3  |  1   1
+     * @endcode
+     */
+    void format(int bits, int mode = 0);
+
+    /** Set the spi bus clock frequency
+     *
+     *  @param hz SCLK frequency in hz (default = 1MHz)
+     */
+    void frequency(int hz = 1000000);
+
+    /** Polls the SPI to see if data has been received
+     *
+     *  @returns
+     *    0 if no data,
+     *    1 otherwise
+     */
+    int receive(void);
+
+    /** Retrieve  data from receive buffer as slave
+     *
+     *  @returns
+     *    the data in the receive buffer
+     */
+    int read(void);
+
+    /** Fill the transmission buffer with the value to be written out
+     *  as slave on the next received message from the master.
+     *
+     *  @param value the data to be transmitted next
+     */
+    void reply(int value);
+
+protected:
+    spi_t _spi;
+
+    int _bits;
+    int _mode;
+    int _hz;
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/Serial.cpp b/libraries/mbed/cpp/Serial.cpp
new file mode 100644
index 0000000000..fe7dcef745
--- /dev/null
+++ b/libraries/mbed/cpp/Serial.cpp
@@ -0,0 +1,70 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "Serial.h"
+
+#if DEVICE_SERIAL
+
+namespace mbed {
+
+Serial::Serial(PinName tx, PinName rx, const char *name) : Stream(name) {
+    serial_init(&_serial, tx, rx);
+    serial_irq_handler(&_serial, Serial::_irq_handler, (uint32_t)this);
+}
+
+void Serial::baud(int baudrate) {
+    serial_baud(&_serial, baudrate);
+}
+
+void Serial::format(int bits, Parity parity, int stop_bits) {
+    serial_format(&_serial, bits, (SerialParity)parity, stop_bits);
+}
+
+int Serial::readable() {
+    return serial_readable(&_serial);
+}
+
+
+int Serial::writeable() {
+    return serial_writable(&_serial);
+}
+
+void Serial::attach(void (*fptr)(void), IrqType type) {
+    if (fptr) {
+        _irq[type].attach(fptr);
+        serial_irq_set(&_serial, (SerialIrq)type, 1);
+    } else {
+        serial_irq_set(&_serial, (SerialIrq)type, 0);
+    }
+}
+
+
+void Serial::_irq_handler(uint32_t id, SerialIrq irq_type) {
+    Serial *handler = (Serial*)id;
+    handler->_irq[irq_type].call();
+}
+
+int Serial::_getc() {
+    return serial_getc(&_serial);
+}
+
+int Serial::_putc(int c) {
+    serial_putc(&_serial, c);
+    return c;
+}
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/Serial.h b/libraries/mbed/cpp/Serial.h
new file mode 100644
index 0000000000..7c7b39e84b
--- /dev/null
+++ b/libraries/mbed/cpp/Serial.h
@@ -0,0 +1,138 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_SERIAL_H
+#define MBED_SERIAL_H
+
+#include "platform.h"
+
+#if DEVICE_SERIAL
+
+#include "Stream.h"
+#include "FunctionPointer.h"
+#include "serial_api.h"
+
+namespace mbed {
+
+/** A serial port (UART) for communication with other serial devices
+ *
+ * Can be used for Full Duplex communication, or Simplex by specifying
+ * one pin as NC (Not Connected)
+ *
+ * Example:
+ * @code
+ * // Print "Hello World" to the PC
+ *
+ * #include "mbed.h"
+ *
+ * Serial pc(USBTX, USBRX);
+ *
+ * int main() {
+ *     pc.printf("Hello World\n");
+ * }
+ * @endcode
+ */
+class Serial : public Stream {
+
+public:
+    /** Create a Serial port, connected to the specified transmit and receive pins
+     *
+     *  @param tx Transmit pin
+     *  @param rx Receive pin
+     *
+     *  @note
+     *    Either tx or rx may be specified as NC if unused
+     */
+    Serial(PinName tx, PinName rx, const char *name=NULL);
+
+    /** Set the baud rate of the serial port
+     *
+     *  @param baudrate The baudrate of the serial port (default = 9600).
+     */
+    void baud(int baudrate);
+
+    enum Parity {
+        None = 0,
+        Odd,
+        Even,
+        Forced1,
+        Forced0
+    };
+
+    enum IrqType {
+        RxIrq = 0,
+        TxIrq
+    };
+
+    /** Set the transmission format used by the Serial port
+     *
+     *  @param bits The number of bits in a word (5-8; default = 8)
+     *  @param parity The parity used (Serial::None, Serial::Odd, Serial::Even, Serial::Forced1, Serial::Forced0; default = Serial::None)
+     *  @param stop The number of stop bits (1 or 2; default = 1)
+     */
+    void format(int bits = 8, Parity parity=Serial::None, int stop_bits=1);
+
+    /** Determine if there is a character available to read
+     *
+     *  @returns
+     *    1 if there is a character available to read,
+     *    0 otherwise
+     */
+    int readable();
+
+    /** Determine if there is space available to write a character
+     *
+     *  @returns
+     *    1 if there is space to write a character,
+     *    0 otherwise
+     */
+    int writeable();
+
+    /** Attach a function to call whenever a serial interrupt is generated
+     *
+     *  @param fptr A pointer to a void function, or 0 to set as none
+     *  @param type Which serial interrupt to attach the member function to (Seriall::RxIrq for receive, TxIrq for transmit buffer empty)
+     */
+    void attach(void (*fptr)(void), IrqType type=RxIrq);
+
+    /** Attach a member function to call whenever a serial interrupt is generated
+     *
+     *  @param tptr pointer to the object to call the member function on
+     *  @param mptr pointer to the member function to be called
+     *  @param type Which serial interrupt to attach the member function to (Seriall::RxIrq for receive, TxIrq for transmit buffer empty)
+     */
+    template
+    void attach(T* tptr, void (T::*mptr)(void), IrqType type=RxIrq) {
+        if((mptr != NULL) && (tptr != NULL)) {
+            _irq[type].attach(tptr, mptr);
+            serial_irq_set(&_serial, (SerialIrq)type, 1);
+        }
+    }
+
+    static void _irq_handler(uint32_t id, SerialIrq irq_type);
+
+protected:
+    virtual int _getc();
+    virtual int _putc(int c);
+
+    serial_t        _serial;
+    FunctionPointer _irq[2];
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
diff --git a/libraries/mbed/cpp/Stream.cpp b/libraries/mbed/cpp/Stream.cpp
new file mode 100644
index 0000000000..a0cc8b891e
--- /dev/null
+++ b/libraries/mbed/cpp/Stream.cpp
@@ -0,0 +1,111 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "Stream.h"
+
+#include 
+
+namespace mbed {
+
+Stream::Stream(const char *name) : FileLike(name) {
+    /* open ourselves */
+    char buf[12]; /* :0x12345678 + null byte */
+    std::sprintf(buf, ":%p", this);
+    _file = std::fopen(buf, "w+");
+    setbuf(_file, NULL);
+}
+
+Stream::~Stream() {
+    fclose(_file);
+}
+
+int Stream::putc(int c) {
+    fflush(_file);
+    return std::fputc(c, _file);
+}
+int Stream::puts(const char *s) {
+    fflush(_file);
+    return std::fputs(s, _file);
+}
+int Stream::getc() {
+    fflush(_file);
+    return std::fgetc(_file);
+}
+char* Stream::gets(char *s, int size) {
+    fflush(_file);
+    return std::fgets(s,size,_file);
+}
+
+int Stream::close() {
+    return 0;
+}
+
+ssize_t Stream::write(const void* buffer, size_t length) {
+    const char* ptr = (const char*)buffer;
+    const char* end = ptr + length;
+    while (ptr != end) {
+        if (_putc(*ptr++) == EOF) {
+            break;
+        }
+    }
+    return ptr - (const char*)buffer;
+}
+
+ssize_t Stream::read(void* buffer, size_t length) {
+    char* ptr = (char*)buffer;
+    char* end = ptr + length;
+    while (ptr != end) {
+        int c = _getc();
+        if (c==EOF) break;
+        *ptr++ = c;
+    }
+    return ptr - (const char*)buffer;
+}
+
+off_t Stream::lseek(off_t offset, int whence) {
+    return 0;
+}
+
+int Stream::isatty() {
+    return 0;
+}
+
+int Stream::fsync() {
+    return 0;
+}
+
+off_t Stream::flen() {
+    return 0;
+}
+
+int Stream::printf(const char* format, ...) {
+    std::va_list arg;
+    va_start(arg, format);
+    fflush(_file);
+    int r = vfprintf(_file, format, arg);
+    va_end(arg);
+    return r;
+}
+
+int Stream::scanf(const char* format, ...) {
+    std::va_list arg;
+    va_start(arg, format);
+    fflush(_file);
+    int r = vfscanf(_file, format, arg);
+    va_end(arg);
+    return r;
+}
+
+} // namespace mbed
diff --git a/libraries/mbed/cpp/Stream.h b/libraries/mbed/cpp/Stream.h
new file mode 100644
index 0000000000..8b1a56879b
--- /dev/null
+++ b/libraries/mbed/cpp/Stream.h
@@ -0,0 +1,56 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_STREAM_H
+#define MBED_STREAM_H
+
+#include "platform.h"
+#include "FileLike.h"
+
+namespace mbed {
+
+class Stream : public FileLike {
+
+public:
+    Stream(const char *name=NULL);
+    virtual ~Stream();
+
+    int putc(int c);
+    int puts(const char *s);
+    int getc();
+    char *gets(char *s, int size);
+    int printf(const char* format, ...);
+    int scanf(const char* format, ...);
+
+    operator std::FILE*() {return _file;}
+
+protected:
+    virtual int close();
+    virtual ssize_t write(const void* buffer, size_t length);
+    virtual ssize_t read(void* buffer, size_t length);
+    virtual off_t lseek(off_t offset, int whence);
+    virtual int isatty();
+    virtual int fsync();
+    virtual off_t flen();
+
+    virtual int _putc(int c) = 0;
+    virtual int _getc() = 0;
+
+    std::FILE *_file;
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/Ticker.cpp b/libraries/mbed/cpp/Ticker.cpp
new file mode 100644
index 0000000000..7ae73ef089
--- /dev/null
+++ b/libraries/mbed/cpp/Ticker.cpp
@@ -0,0 +1,39 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "Ticker.h"
+
+#include "TimerEvent.h"
+#include "FunctionPointer.h"
+
+namespace mbed {
+
+void Ticker::detach() {
+    remove();
+    _function.attach(0);
+}
+
+void Ticker::setup(unsigned int t) {
+    remove();
+    _delay = t;
+    insert(_delay + us_ticker_read());
+}
+
+void Ticker::handler() {
+    insert(event.timestamp + _delay);
+    _function.call();
+}
+
+} // namespace mbed
diff --git a/libraries/mbed/cpp/Ticker.h b/libraries/mbed/cpp/Ticker.h
new file mode 100644
index 0000000000..73da8a5fbe
--- /dev/null
+++ b/libraries/mbed/cpp/Ticker.h
@@ -0,0 +1,117 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_TICKER_H
+#define MBED_TICKER_H
+
+#include "TimerEvent.h"
+#include "FunctionPointer.h"
+
+namespace mbed {
+
+/** A Ticker is used to call a function at a recurring interval
+ *
+ *  You can use as many seperate Ticker objects as you require.
+ *
+ * Example:
+ * @code
+ * // Toggle the blinking led after 5 seconds
+ *
+ * #include "mbed.h"
+ *
+ * Ticker timer;
+ * DigitalOut led1(LED1);
+ * DigitalOut led2(LED2);
+ *
+ * int flip = 0;
+ *
+ * void attime() {
+ *     flip = !flip;
+ * }
+ *
+ * int main() {
+ *     timer.attach(&attime, 5);
+ *     while(1) {
+ *         if(flip == 0) {
+ *             led1 = !led1;
+ *         } else {
+ *             led2 = !led2;
+ *         }
+ *         wait(0.2);
+ *     }
+ * }
+ * @endcode
+ */
+class Ticker : public TimerEvent {
+
+public:
+
+    /** Attach a function to be called by the Ticker, specifiying the interval in seconds
+     *
+     *  @param fptr pointer to the function to be called
+     *  @param t the time between calls in seconds
+     */
+    void attach(void (*fptr)(void), float t) {
+        attach_us(fptr, t * 1000000.0f);
+    }
+
+    /** Attach a member function to be called by the Ticker, specifiying the interval in seconds
+     *
+     *  @param tptr pointer to the object to call the member function on
+     *  @param mptr pointer to the member function to be called
+     *  @param t the time between calls in seconds
+     */
+    template
+    void attach(T* tptr, void (T::*mptr)(void), float t) {
+        attach_us(tptr, mptr, t * 1000000.0f);
+    }
+
+    /** Attach a function to be called by the Ticker, specifiying the interval in micro-seconds
+     *
+     *  @param fptr pointer to the function to be called
+     *  @param t the time between calls in micro-seconds
+     */
+    void attach_us(void (*fptr)(void), unsigned int t) {
+        _function.attach(fptr);
+        setup(t);
+    }
+
+    /** Attach a member function to be called by the Ticker, specifiying the interval in micro-seconds
+     *
+     *  @param tptr pointer to the object to call the member function on
+     *  @param mptr pointer to the member function to be called
+     *  @param t the time between calls in micro-seconds
+     */
+    template
+    void attach_us(T* tptr, void (T::*mptr)(void), unsigned int t) {
+        _function.attach(tptr, mptr);
+        setup(t);
+    }
+
+    /** Detach the function
+     */
+    void detach();
+
+protected:
+    void setup(unsigned int t);
+    virtual void handler();
+
+    unsigned int _delay;
+    FunctionPointer _function;
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/Timeout.cpp b/libraries/mbed/cpp/Timeout.cpp
new file mode 100644
index 0000000000..ed7950212b
--- /dev/null
+++ b/libraries/mbed/cpp/Timeout.cpp
@@ -0,0 +1,24 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "Timeout.h"
+
+namespace mbed {
+
+void Timeout::handler() {
+    _function.call();
+}
+
+} // namespace mbed
diff --git a/libraries/mbed/cpp/Timeout.h b/libraries/mbed/cpp/Timeout.h
new file mode 100644
index 0000000000..e145d9a77f
--- /dev/null
+++ b/libraries/mbed/cpp/Timeout.h
@@ -0,0 +1,59 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_TIMEOUT_H
+#define MBED_TIMEOUT_H
+
+#include "Ticker.h"
+
+namespace mbed {
+
+/** A Timeout is used to call a function at a point in the future
+ *
+ * You can use as many seperate Timeout objects as you require.
+ *
+ * Example:
+ * @code
+ * // Blink until timeout.
+ *
+ * #include "mbed.h"
+ *
+ * Timeout timeout;
+ * DigitalOut led(LED1);
+ *
+ * int on = 1;
+ *
+ * void attimeout() {
+ *     on = 0;
+ * }
+ *
+ * int main() {
+ *     timeout.attach(&attimeout, 5);
+ *     while(on) {
+ *         led = !led;
+ *         wait(0.2);
+ *     }
+ * }
+ * @endcode
+ */
+class Timeout : public Ticker {
+
+protected:
+    virtual void handler();
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/Timer.cpp b/libraries/mbed/cpp/Timer.cpp
new file mode 100644
index 0000000000..9f02e6f0d7
--- /dev/null
+++ b/libraries/mbed/cpp/Timer.cpp
@@ -0,0 +1,66 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "Timer.h"
+#include "us_ticker_api.h"
+
+namespace mbed {
+
+Timer::Timer() {
+    reset();
+}
+
+void Timer::start() {
+    _start = us_ticker_read();
+    _running = 1;
+}
+
+void Timer::stop() {
+    _time += slicetime();
+    _running = 0;
+}
+
+int Timer::read_us() {
+    return _time + slicetime();
+}
+
+float Timer::read() {
+    return (float)read_us() / 1000000.0;
+}
+
+int Timer::read_ms() {
+    return read_us() / 1000;
+}
+
+int Timer::slicetime() {
+    if (_running) {
+        return us_ticker_read() - _start;
+    } else {
+        return 0;
+    }
+}
+
+void Timer::reset() {
+    _start = us_ticker_read();
+    _time = 0;
+}
+
+#ifdef MBED_OPERATORS
+Timer::operator float() {
+    return read();
+}
+#endif
+
+} // namespace mbed
diff --git a/libraries/mbed/cpp/Timer.h b/libraries/mbed/cpp/Timer.h
new file mode 100644
index 0000000000..aedf0377e0
--- /dev/null
+++ b/libraries/mbed/cpp/Timer.h
@@ -0,0 +1,88 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_TIMER_H
+#define MBED_TIMER_H
+
+#include "platform.h"
+
+namespace mbed {
+
+/** A general purpose timer
+ *
+ * Example:
+ * @code
+ * // Count the time to toggle a LED
+ *
+ * #include "mbed.h"
+ *
+ * Timer timer;
+ * DigitalOut led(LED1);
+ * int begin, end;
+ *
+ * int main() {
+ *     timer.start();
+ *     begin = timer.read_us();
+ *     led = !led;
+ *     end = timer.read_us();
+ *     printf("Toggle the led takes %d us", end - begin);
+ * }
+ * @endcode
+ */
+class Timer {
+
+public:
+    Timer();
+
+    /** Start the timer
+     */
+    void start();
+
+    /** Stop the timer
+     */
+    void stop();
+
+    /** Reset the timer to 0.
+     *
+     * If it was already counting, it will continue
+     */
+    void reset();
+
+    /** Get the time passed in seconds
+     */
+    float read();
+
+    /** Get the time passed in mili-seconds
+     */
+    int read_ms();
+
+    /** Get the time passed in micro-seconds
+     */
+    int read_us();
+
+#ifdef MBED_OPERATORS
+    operator float();
+#endif
+
+protected:
+    int slicetime();
+    int _running;          // whether the timer is running
+    unsigned int _start;   // the start time of the latest slice
+    int _time;             // any accumulated time from previous slices
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/TimerEvent.cpp b/libraries/mbed/cpp/TimerEvent.cpp
new file mode 100644
index 0000000000..a4057b6f7f
--- /dev/null
+++ b/libraries/mbed/cpp/TimerEvent.cpp
@@ -0,0 +1,45 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "TimerEvent.h"
+#include "cmsis.h"
+
+#include 
+
+namespace mbed {
+
+TimerEvent::TimerEvent() {
+    us_ticker_set_handler((&TimerEvent::irq));
+}
+
+void TimerEvent::irq(uint32_t id) {
+    TimerEvent *timer_event = (TimerEvent*)id;
+    timer_event->handler();
+}
+
+TimerEvent::~TimerEvent() {
+    remove();
+}
+
+// insert in to linked list
+void TimerEvent::insert(unsigned int timestamp) {
+    us_ticker_insert_event(&event, timestamp, (uint32_t)this);
+}
+
+void TimerEvent::remove() {
+    us_ticker_remove_event(&event);
+}
+
+} // namespace mbed
diff --git a/libraries/mbed/cpp/TimerEvent.h b/libraries/mbed/cpp/TimerEvent.h
new file mode 100644
index 0000000000..81e47e1141
--- /dev/null
+++ b/libraries/mbed/cpp/TimerEvent.h
@@ -0,0 +1,52 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_TIMEREVENT_H
+#define MBED_TIMEREVENT_H
+
+#include "us_ticker_api.h"
+
+namespace mbed {
+
+/** Base abstraction for timer interrupts
+*/
+class TimerEvent {
+public:
+    TimerEvent();
+
+    /** The handler registered with the underlying timer interrupt
+     */
+    static void irq(uint32_t id);
+
+    /** Destruction removes it...
+     */
+    virtual ~TimerEvent();
+
+protected:
+    // The handler called to service the timer event of the derived class
+    virtual void handler() = 0;
+
+    // insert in to linked list
+    void insert(unsigned int timestamp);
+
+    // remove from linked list, if in it
+    void remove();
+
+    ticker_event_t event;
+};
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/cpp/mbed.h b/libraries/mbed/cpp/mbed.h
new file mode 100644
index 0000000000..bba24a76db
--- /dev/null
+++ b/libraries/mbed/cpp/mbed.h
@@ -0,0 +1,65 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_H
+#define MBED_H
+
+#define MBED_LIBRARY_VERSION 30
+
+#include "platform.h"
+
+// Useful C libraries
+#include 
+#include 
+
+// mbed Debug libraries
+#include "error.h"
+#include "mbed_interface.h"
+
+// mbed Peripheral components
+#include "DigitalIn.h"
+#include "DigitalOut.h"
+#include "DigitalInOut.h"
+#include "BusIn.h"
+#include "BusOut.h"
+#include "BusInOut.h"
+#include "PortIn.h"
+#include "PortInOut.h"
+#include "PortOut.h"
+#include "AnalogIn.h"
+#include "AnalogOut.h"
+#include "PwmOut.h"
+#include "Serial.h"
+#include "SPI.h"
+#include "SPISlave.h"
+#include "I2C.h"
+#include "I2CSlave.h"
+#include "Ethernet.h"
+#include "CAN.h"
+
+// mbed Internal components
+#include "Timer.h"
+#include "Ticker.h"
+#include "Timeout.h"
+#include "LocalFileSystem.h"
+#include "InterruptIn.h"
+#include "wait_api.h"
+#include "sleep_api.h"
+#include "rtc_time.h"
+
+using namespace mbed;
+using namespace std;
+
+#endif
diff --git a/libraries/mbed/cpp/platform.h b/libraries/mbed/cpp/platform.h
new file mode 100644
index 0000000000..85e44e57b1
--- /dev/null
+++ b/libraries/mbed/cpp/platform.h
@@ -0,0 +1,30 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PLATFORM_H
+#define MBED_PLATFORM_H
+
+#define MBED_OPERATORS    1
+
+#include "device.h"
+#include "PinNames.h"
+#include "PeripheralNames.h"
+
+#include 
+#include 
+#include 
+#include 
+
+#endif
diff --git a/libraries/mbed/cpp/stdio.cpp b/libraries/mbed/cpp/stdio.cpp
new file mode 100644
index 0000000000..33c6ce9e59
--- /dev/null
+++ b/libraries/mbed/cpp/stdio.cpp
@@ -0,0 +1,378 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "platform.h"
+#include "FileHandle.h"
+#include "FileSystemLike.h"
+#include "FilePath.h"
+#include "serial_api.h"
+#include 
+
+#if defined(__ARMCC_VERSION)
+#   include 
+#   define PREFIX(x)    _sys##x
+#   define OPEN_MAX     _SYS_OPEN
+#   ifdef __MICROLIB
+#       pragma import(__use_full_stdio)
+#   endif
+
+#elif defined(__ICCARM__)
+#   include 
+#   define PREFIX(x)        _##x
+#   define OPEN_MAX         16
+
+#   define STDIN_FILENO     0
+#   define STDOUT_FILENO    1
+#   define STDERR_FILENO    2
+
+#else
+#   include 
+#   include 
+#   include 
+#   define PREFIX(x)    x
+#endif
+
+using namespace mbed;
+
+extern const char __stdin_name[]  = "/stdin";
+extern const char __stdout_name[] = "/stdout";
+extern const char __stderr_name[] = "/stderr";
+
+/* newlib has the filehandle field in the FILE struct as a short, so
+ * we can't just return a Filehandle* from _open and instead have to
+ * put it in a filehandles array and return the index into that array
+ * (or rather index+3, as filehandles 0-2 are stdin/out/err).
+ */
+static FileHandle *filehandles[OPEN_MAX];
+
+FileHandle::~FileHandle() {
+    /* Remove all open filehandles for this */
+    for (unsigned int fh_i = 0; fh_i < sizeof(filehandles)/sizeof(*filehandles); fh_i++) {
+        if (filehandles[fh_i] == this) {
+            filehandles[fh_i] = NULL;
+        }
+    }
+}
+
+#if DEVICE_SERIAL
+extern int stdio_uart_inited;
+extern serial_t stdio_uart;
+#endif
+
+static void init_serial() {
+#if DEVICE_SERIAL
+    if (stdio_uart_inited) return;
+    serial_init(&stdio_uart, STDIO_UART_TX, STDIO_UART_RX);
+    serial_format(&stdio_uart, 8, ParityNone, 1);
+    serial_baud(&stdio_uart, 9600);
+#endif
+}
+
+static inline int openmode_to_posix(int openmode) {
+    int posix = openmode;
+#ifdef __ARMCC_VERSION
+    if (openmode & OPEN_PLUS) {
+        posix = O_RDWR;
+    } else if(openmode & OPEN_W) {
+        posix = O_WRONLY;
+    } else if(openmode & OPEN_A) {
+        posix = O_WRONLY|O_APPEND;
+    } else {
+        posix = O_RDONLY;
+    }
+    /* a, w, a+, w+ all create if file does not already exist */
+    if (openmode & (OPEN_A|OPEN_W)) {
+        posix |= O_CREAT;
+    }
+    /* w and w+ truncate */
+    if (openmode & OPEN_W) {
+        posix |= O_TRUNC;
+    }
+#elif defined(__ICCARM__)
+    switch (openmode & _LLIO_RDWRMASK) {
+        case _LLIO_RDONLY: posix = O_RDONLY; break;
+        case _LLIO_WRONLY: posix = O_WRONLY; break;
+        case _LLIO_RDWR  : posix = O_RDWR  ; break;
+    }
+    if (openmode & _LLIO_CREAT ) posix |= O_CREAT;
+    if (openmode & _LLIO_APPEND) posix |= O_APPEND;
+    if (openmode & _LLIO_TRUNC ) posix |= O_TRUNC;
+#endif
+    return posix;
+}
+
+extern "C" FILEHANDLE PREFIX(_open)(const char* name, int openmode) {
+    /* Use the posix convention that stdin,out,err are filehandles 0,1,2.
+     */
+    if (std::strcmp(name, __stdin_name) == 0) {
+        init_serial();
+        return 0;
+    } else if (std::strcmp(name, __stdout_name) == 0) {
+        init_serial();
+        return 1;
+    } else if (std::strcmp(name,__stderr_name) == 0) {
+        init_serial();
+        return 2;
+    }
+
+    // find the first empty slot in filehandles
+    unsigned int fh_i;
+    for (fh_i = 0; fh_i < sizeof(filehandles)/sizeof(*filehandles); fh_i++) {
+        if (filehandles[fh_i] == NULL) break;
+    }
+    if (fh_i >= sizeof(filehandles)/sizeof(*filehandles)) {
+        return -1;
+    }
+
+    FileHandle *res;
+
+    /* FILENAME: ":0x12345678" describes a FileLike* */
+    if (name[0] == ':') {
+        void *p;
+        sscanf(name, ":%p", &p);
+        res = (FileHandle*)p;
+
+    /* FILENAME: "/file_system/file_name" */
+    } else {
+        FilePath path(name);
+
+        if (path.isFile()) {
+            res = path.file();
+        } else {
+            FileSystemLike *fs = path.fileSystem();
+            if (fs == NULL) return -1;
+            int posix_mode = openmode_to_posix(openmode);
+            res = fs->open(path.fileName(), posix_mode); /* NULL if fails */
+        }
+    }
+
+    if (res == NULL) return -1;
+    filehandles[fh_i] = res;
+
+    return fh_i + 3; // +3 as filehandles 0-2 are stdin/out/err
+}
+
+extern "C" int PREFIX(_close)(FILEHANDLE fh) {
+    if (fh < 3) return 0;
+
+    FileHandle* fhc = filehandles[fh-3];
+    filehandles[fh-3] = NULL;
+    if (fhc == NULL) return -1;
+
+    return fhc->close();
+}
+
+#if defined(__ICCARM__)
+extern "C" size_t    __write (int        fh, const unsigned char *buffer, size_t length) {
+#else
+extern "C" int PREFIX(_write)(FILEHANDLE fh, const unsigned char *buffer, unsigned int length, int mode) {
+#endif
+    int n; // n is the number of bytes written
+    if (fh < 3) {
+#if DEVICE_SERIAL
+        if (!stdio_uart_inited) init_serial();
+        for (unsigned int i = 0; i < length; i++) {
+            serial_putc(&stdio_uart, buffer[i]);
+        }
+#endif
+        n = length;
+    } else {
+        FileHandle* fhc = filehandles[fh-3];
+        if (fhc == NULL) return -1;
+
+        n = fhc->write(buffer, length);
+    }
+#ifdef __ARMCC_VERSION
+    return length-n;
+#else
+    return n;
+#endif
+}
+
+#if defined(__ICCARM__)
+extern "C" size_t    __read (int        fh, unsigned char *buffer, size_t       length) {
+#else
+extern "C" int PREFIX(_read)(FILEHANDLE fh, unsigned char *buffer, unsigned int length, int mode) {
+#endif
+    int n; // n is the number of bytes read
+    if (fh < 3) {
+        // only read a character at a time from stdin
+#if DEVICE_SERIAL
+        *buffer = serial_getc(&stdio_uart);
+#endif
+        n = 1;
+    } else {
+        FileHandle* fhc = filehandles[fh-3];
+        if (fhc == NULL) return -1;
+
+        n = fhc->read(buffer, length);
+    }
+#ifdef __ARMCC_VERSION
+    return length-n;
+#else
+    return n;
+#endif
+}
+
+#ifdef __ARMCC_VERSION
+extern "C" int PREFIX(_istty)(FILEHANDLE fh)
+#else
+extern "C" int _isatty(FILEHANDLE fh)
+#endif
+{
+    /* stdin, stdout and stderr should be tty */
+    if (fh < 3) return 1;
+
+    FileHandle* fhc = filehandles[fh-3];
+    if (fhc == NULL) return -1;
+
+    return fhc->isatty();
+}
+
+extern "C"
+#if defined(__ARMCC_VERSION)
+int _sys_seek(FILEHANDLE fh, long position)
+#elif defined(__ICCARM__)
+long __lseek(int fh, long offset, int whence)
+#else
+int _lseek(FILEHANDLE fh, int offset, int whence)
+#endif
+{
+    if (fh < 3) return 0;
+
+    FileHandle* fhc = filehandles[fh-3];
+    if (fhc == NULL) return -1;
+
+#if defined(__ARMCC_VERSION)
+    return fhc->lseek(position, SEEK_SET);
+#else
+    return fhc->lseek(offset, whence);
+#endif
+}
+
+#ifdef __ARMCC_VERSION
+extern "C" int PREFIX(_ensure)(FILEHANDLE fh) {
+    if (fh < 3) return 0;
+
+    FileHandle* fhc = filehandles[fh-3];
+    if (fhc == NULL) return -1;
+
+    return fhc->fsync();
+}
+
+extern "C" long PREFIX(_flen)(FILEHANDLE fh) {
+    if (fh < 3) return 0;
+
+    FileHandle* fhc = filehandles[fh-3];
+    if (fhc == NULL) return -1;
+
+    return fhc->flen();
+}
+#endif
+
+
+#if !defined(__ARMCC_VERSION) && !defined(__ICCARM__)
+extern "C" int _fstat(int fd, struct stat *st) {
+    if ((STDOUT_FILENO == fd) || (STDERR_FILENO == fd) || (STDIN_FILENO == fd)) {
+        st->st_mode = S_IFCHR;
+        return  0;
+    }
+
+    errno = EBADF;
+    return -1;
+}
+#endif
+
+namespace std {
+extern "C" int remove(const char *path) {
+    FilePath fp(path);
+    FileSystemLike *fs = fp.fileSystem();
+    if (fs == NULL) return -1;
+
+    return fs->remove(fp.fileName());
+}
+
+extern "C" int rename(const char *oldname, const char *newname) {
+    return -1;
+}
+
+extern "C" char *tmpnam(char *s) {
+    return NULL;
+}
+
+extern "C" FILE *tmpfile() {
+    return NULL;
+}
+} // namespace std
+
+#ifdef __ARMCC_VERSION
+extern "C" char *_sys_command_string(char *cmd, int len) {
+    return NULL;
+}
+#endif
+
+extern "C" DIR *opendir(const char *path) {
+    /* root dir is FileSystemLike */
+    if (path[0] == '/' && path[1] == 0) {
+        return FileSystemLike::opendir();
+    }
+
+    FilePath fp(path);
+    FileSystemLike* fs = fp.fileSystem();
+    if (fs == NULL) return NULL;
+
+    return fs->opendir(fp.fileName());
+}
+
+extern "C" struct dirent *readdir(DIR *dir) {
+    return dir->readdir();
+}
+
+extern "C" int closedir(DIR *dir) {
+    return dir->closedir();
+}
+
+extern "C" void rewinddir(DIR *dir) {
+    dir->rewinddir();
+}
+
+extern "C" off_t telldir(DIR *dir) {
+    return dir->telldir();
+}
+
+extern "C" void seekdir(DIR *dir, off_t off) {
+    dir->seekdir(off);
+}
+
+extern "C" int mkdir(const char *path, mode_t mode) {
+    FilePath fp(path);
+    FileSystemLike *fs = fp.fileSystem();
+    if (fs == NULL) return -1;
+
+    return fs->mkdir(fp.fileName(), mode);
+}
+
+#if defined(TOOLCHAIN_GCC_CR) || defined(TOOLCHAIN_GCC_CS) || defined(TOOLCHAIN_GCC_ARM)
+/* prevents the exception handling name demangling code getting pulled in */
+#include "error.h"
+namespace __gnu_cxx {
+    void __verbose_terminate_handler() {
+        error("Exception");
+    }
+}
+#endif
+
+// Make sure we are pulling in the retargeting module at link time
+volatile int stdio_retargeting_module;
diff --git a/libraries/mbed/rpc/Arguments.cpp b/libraries/mbed/rpc/Arguments.cpp
new file mode 100644
index 0000000000..b14f0b6957
--- /dev/null
+++ b/libraries/mbed/rpc/Arguments.cpp
@@ -0,0 +1,140 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "Arguments.h"
+#include "pinmap.h"
+
+using namespace std;
+
+namespace mbed {
+
+Arguments::Arguments(const char* rqs) {
+    obj_name = NULL;
+    method_name = NULL;
+    argc = 0;
+
+    // This copy can be removed if we can assume the request string is
+    // persistent and writable for the duration of the call
+    strcpy(request, rqs);
+
+    // Initial '/'
+    char* p = request;
+    if (*p != '/') return;
+    p++;
+
+    // Object Name
+    p = search_arg(&obj_name, p, '/');
+    if (p == NULL) return;
+
+    // Method Name
+    p = search_arg(&method_name, p, ' ');
+    if (p == NULL) return;
+
+    // Arguments
+    while (true) {
+        argv[argc] = NULL;
+        p = search_arg(&argv[argc], p, ' ');
+        if (argv[argc] != NULL) argc++;
+        if (p == NULL) break;
+    }
+
+    index = -1;
+}
+
+char* Arguments::search_arg(char **arg, char *p, char next_sep) {
+    char *s = p;
+    while (true) {
+        if ((*p == '/') || (*p == ' ') || (*p == '\n') || (*p == '\0')) break;
+        p++;
+    }
+    if (p == s) return NULL;
+    *arg = s;
+    char separator = *p;
+    *p = '\0';
+    p++;
+    return (separator == next_sep) ? (p) : (NULL);
+}
+
+template<> PinName Arguments::getArg(void) {
+    index++;
+    return parse_pins(argv[index]);
+}
+
+template<> int Arguments::getArg(void) {
+    index++;
+    char *pEnd;
+    return strtol(argv[index], &pEnd, 10);
+}
+
+template<> const char* Arguments::getArg(void) {
+    index++;
+    return argv[index];
+}
+
+template<> char Arguments::getArg(void) {
+    index++;
+    return *argv[index];
+}
+
+template<> double Arguments::getArg(void) {
+    index++;
+    return atof(argv[index]);
+}
+
+template<> float Arguments::getArg(void) {
+    index++;
+    return atof(argv[index]);
+}
+
+Reply::Reply(char* r) {
+    first = true;
+    *r = '\0';
+    reply = r;
+}
+
+void Reply::separator(void) {
+    if (first) {
+        first = false;
+    } else {
+        *reply = ' '; reply++;
+    }
+}
+
+template<> void Reply::putData(const char* s) {
+    separator();
+    reply += sprintf(reply, "%s", s);
+}
+
+template<> void Reply::putData(char* s) {
+    separator();
+    reply += sprintf(reply, "%s", s);
+}
+
+template<> void Reply::putData(char c) {
+    separator();
+    reply += sprintf(reply, "%c", c);
+}
+
+template<> void Reply::putData(int v) {
+    separator();
+    reply += sprintf(reply, "%d", v);
+}
+
+template<> void Reply::putData(float f) {
+    separator();
+    reply += sprintf(reply, "%.17g", f);
+}
+
+} // namespace mbed
diff --git a/libraries/mbed/rpc/Arguments.h b/libraries/mbed/rpc/Arguments.h
new file mode 100644
index 0000000000..03f1de5162
--- /dev/null
+++ b/libraries/mbed/rpc/Arguments.h
@@ -0,0 +1,63 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef ARGUMENTS_H
+#define ARGUMENTS_H
+
+#include "platform.h"
+
+namespace mbed {
+
+#define RPC_MAX_STRING  128
+#define RPC_MAX_ARGS     16
+
+class Arguments {
+public:
+    Arguments(const char* rqs);
+
+    template
+    Arg   getArg(void);
+
+    char *obj_name;
+    char *method_name;
+
+    int   argc;
+    char* argv[RPC_MAX_ARGS];
+
+private:
+    // This copy can be removed if we can assume the request string is
+    // persistent and writable for the duration of the call
+    char  request[RPC_MAX_STRING];
+    int index;
+    char* search_arg(char **arg, char *p, char next_sep);
+};
+
+class Reply {
+public:
+    Reply(char* r);
+
+    template
+    void putData(Data d);
+
+private:
+    void separator(void);
+    bool first;
+    char* reply;
+};
+
+
+} // Namespace mbed
+
+#endif
diff --git a/libraries/mbed/rpc/RPCFunction.cpp b/libraries/mbed/rpc/RPCFunction.cpp
new file mode 100644
index 0000000000..390e9f65c8
--- /dev/null
+++ b/libraries/mbed/rpc/RPCFunction.cpp
@@ -0,0 +1,42 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "RPCFunction.h"
+
+namespace mbed {
+
+//Custom rpc method caller for execute so that the string will not be delimited by anything
+void rpc_method_caller_run(RPC *this_ptr, Arguments *arguments, Reply *result) {
+    ((static_cast(this_ptr))->run)(arguments, result);
+}
+
+RPCFunction::RPCFunction(void (*f)(Arguments*, Reply*), const char* name) : RPC(name) {
+    _ftr = f;
+}
+
+//Just run the attached function using the string thats in private memory - or just using null values,
+void RPCFunction::run(Arguments* args, Reply* r) {
+    (*_ftr)(args, r);
+}
+
+const rpc_method *RPCFunction::get_rpc_methods() {
+    static const rpc_method rpc_methods[] = {
+        {"run", rpc_method_caller_run }, //Run using custom caller, all characters accepted in string
+        RPC_METHOD_SUPER(RPC)
+    };
+    return rpc_methods;
+}
+
+}
diff --git a/libraries/mbed/rpc/RPCFunction.h b/libraries/mbed/rpc/RPCFunction.h
new file mode 100644
index 0000000000..14543a923a
--- /dev/null
+++ b/libraries/mbed/rpc/RPCFunction.h
@@ -0,0 +1,59 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef RPCFUNCTION_RPC
+#define RPCFUNCTION_RPC
+
+#include "rpc.h"
+#define STR_LEN 64
+
+namespace mbed {
+
+/**
+ *
+ *Class to call custom functions over RPC
+ *
+ */
+class RPCFunction: public RPC {
+public:
+    /**
+     * Constructor
+     *
+     *@param f Pointer to the function to call. the function must be of the form void foo(char * input, char * output)
+     *@param name The name of this object
+     */
+    RPCFunction(void (*f)(Arguments*, Reply*), const char* = NULL);
+
+    /**
+     *run
+     *
+     *Calls the attached function passing the string in but doesn't return the result.
+     *@param str The string to be passed into the attached function. This string can consist of any ASCII characters apart from escape codes. The usual limtations on argument content for RPC strings has been removed
+     *@return A string output from the function
+     */
+    void run(Arguments* args, Reply* r);
+
+    virtual const struct rpc_method *get_rpc_methods();
+
+private:
+    void (*_ftr)(Arguments*, Reply*);
+
+    char _input[STR_LEN];
+    char _output[STR_LEN];
+};
+
+}
+
+#endif
diff --git a/libraries/mbed/rpc/RPCVariable.h b/libraries/mbed/rpc/RPCVariable.h
new file mode 100644
index 0000000000..ee66809b8f
--- /dev/null
+++ b/libraries/mbed/rpc/RPCVariable.h
@@ -0,0 +1,87 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef RPCVARIABLE_H_
+#define RPCVARIABLE_H_
+
+#include "rpc.h"
+
+namespace mbed {
+
+/**
+ *Class to read and set an attached variable using the RPC
+ *
+ */
+template
+class RPCVariable: public RPC {
+public:
+    /**
+     * Constructor
+     *
+     *@param ptr Pointer to the variable to make accessible over RPC. Any type of
+     *variable can be connected
+     *@param name The name of that this object will be over RPC
+     */
+    template
+    RPCVariable(A * ptr, const char * name) : RPC(name) {
+        _ptr = ptr;
+    }
+    /**
+     *Read the variable over RPC.
+     *
+     *@return The value of the variable
+     */
+    T read() {
+        return (*_ptr);
+    }
+    /**
+     *Write a value to the variable over RPC
+     *
+     *@param The value to be written to the attached variable.
+     */
+    void write(T value) {
+        *_ptr = value;
+    }
+
+    virtual const struct rpc_method *get_rpc_methods();
+    static struct rpc_class *get_rpc_class();
+
+private:
+    T * _ptr;
+};
+
+template
+const rpc_method *RPCVariable::get_rpc_methods() {
+    static const rpc_method rpc_methods[] = {
+        {"read" , rpc_method_caller },
+        {"write", rpc_method_caller },
+        RPC_METHOD_SUPER(RPC)
+    };
+    return rpc_methods;
+}
+
+template
+rpc_class *RPCVariable::get_rpc_class() {
+    static const rpc_function funcs[] = {
+            "new", rpc_function_caller > ,
+            RPC_METHOD_END
+    };
+    static rpc_class c = {"RPCVariable", funcs, NULL};
+    return &c;
+}
+
+}
+
+#endif  //RPCVARIABLE_H_
diff --git a/libraries/mbed/rpc/RpcClasses.h b/libraries/mbed/rpc/RpcClasses.h
new file mode 100644
index 0000000000..0f50c44d12
--- /dev/null
+++ b/libraries/mbed/rpc/RpcClasses.h
@@ -0,0 +1,308 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_CLASSES_H
+#define MBED_CLASSES_H
+
+#include "rpc.h"
+
+namespace mbed {
+
+class RpcDigitalOut : public RPC {
+public:
+    RpcDigitalOut(PinName a0, const char *name=NULL) : RPC(name), o(a0) {}
+
+    void write(int a0) {o.write(a0);}
+    int read(void) {return o.read();}
+
+    virtual const struct rpc_method *get_rpc_methods() {
+        static const rpc_method rpc_methods[] = {
+            {"write", rpc_method_caller},
+            {"read", rpc_method_caller},
+            RPC_METHOD_SUPER(RPC)
+        };
+        return rpc_methods;
+    }
+    static struct rpc_class *get_rpc_class() {
+        static const rpc_function funcs[] = {
+            {"new", rpc_function_caller >},
+            RPC_METHOD_END
+        };
+        static rpc_class c = {"DigitalOut", funcs, NULL};
+        return &c;
+    }
+private:
+    DigitalOut o;
+};
+
+class RpcDigitalIn : public RPC {
+public:
+    RpcDigitalIn(PinName a0, const char *name=NULL) : RPC(name), o(a0) {}
+
+    int read(void) {return o.read();}
+
+    virtual const struct rpc_method *get_rpc_methods() {
+        static const rpc_method rpc_methods[] = {
+            {"read", rpc_method_caller},
+            RPC_METHOD_SUPER(RPC)
+        };
+        return rpc_methods;
+    }
+    static struct rpc_class *get_rpc_class() {
+        static const rpc_function funcs[] = {
+            {"new", rpc_function_caller >},
+            RPC_METHOD_END
+        };
+        static rpc_class c = {"DigitalIn", funcs, NULL};
+        return &c;
+    }
+private:
+    DigitalIn o;
+};
+
+class RpcDigitalInOut : public RPC {
+public:
+    RpcDigitalInOut(PinName a0, const char *name=NULL) : RPC(name), o(a0) {}
+
+    int read(void) {return o.read();}
+    void write(int a0) {o.write(a0);}
+    void input(void) {o.input();}
+    void output(void) {o.output();}
+
+    virtual const struct rpc_method *get_rpc_methods() {
+        static const rpc_method rpc_methods[] = {
+            {"read", rpc_method_caller},
+            {"write", rpc_method_caller},
+            {"input", rpc_method_caller},
+            {"output", rpc_method_caller},
+            RPC_METHOD_SUPER(RPC)
+        };
+        return rpc_methods;
+    }
+    static struct rpc_class *get_rpc_class() {
+        static const rpc_function funcs[] = {
+            {"new", rpc_function_caller >},
+            RPC_METHOD_END
+        };
+        static rpc_class c = {"DigitalInOut", funcs, NULL};
+        return &c;
+    }
+private:
+    DigitalInOut o;
+};
+
+#if DEVICE_ANALOGIN
+class RpcAnalogIn : public RPC {
+public:
+    RpcAnalogIn(PinName a0, const char *name=NULL) : RPC(name), o(a0) {}
+
+    float read(void) {return o.read();}
+    unsigned short read_u16(void) {return o.read_u16();}
+
+    virtual const struct rpc_method *get_rpc_methods() {
+        static const rpc_method rpc_methods[] = {
+            {"read", rpc_method_caller},
+            {"read_u16", rpc_method_caller},
+            RPC_METHOD_SUPER(RPC)
+        };
+        return rpc_methods;
+    }
+    static struct rpc_class *get_rpc_class() {
+        static const rpc_function funcs[] = {
+            {"new", rpc_function_caller >},
+            RPC_METHOD_END
+        };
+        static rpc_class c = {"AnalogIn", funcs, NULL};
+        return &c;
+    }
+private:
+    AnalogIn o;
+};
+#endif
+
+#if DEVICE_ANALOGOUT
+class RpcAnalogOut : public RPC {
+public:
+    RpcAnalogOut(PinName a0, const char *name=NULL) : RPC(name), o(a0) {}
+
+    float read(void) {return o.read();}
+    void write(float a0) {o.write(a0);}
+    void write_u16(unsigned short a0) {o.write_u16(a0);}
+
+    virtual const struct rpc_method *get_rpc_methods() {
+        static const rpc_method rpc_methods[] = {
+            {"read", rpc_method_caller},
+            {"write", rpc_method_caller},
+            {"write_u16", rpc_method_caller},
+            RPC_METHOD_SUPER(RPC)
+        };
+        return rpc_methods;
+    }
+    static struct rpc_class *get_rpc_class() {
+        static const rpc_function funcs[] = {
+            {"new", rpc_function_caller >},
+            RPC_METHOD_END
+        };
+        static rpc_class c = {"AnalogOut", funcs, NULL};
+        return &c;
+    }
+private:
+    AnalogOut o;
+};
+#endif
+
+#if DEVICE_PWMOUT
+class RpcPwmOut : public RPC {
+public:
+    RpcPwmOut(PinName a0, const char *name=NULL) : RPC(name), o(a0) {}
+
+    float read(void) {return o.read();}
+    void write(float a0) {o.write(a0);}
+    void period(float a0) {o.period(a0);}
+    void period_ms(int a0) {o.period_ms(a0);}
+    void pulsewidth(float a0) {o.pulsewidth(a0);}
+    void pulsewidth_ms(int a0) {o.pulsewidth_ms(a0);}
+
+    virtual const struct rpc_method *get_rpc_methods() {
+        static const rpc_method rpc_methods[] = {
+            {"read", rpc_method_caller},
+            {"write", rpc_method_caller},
+            {"period", rpc_method_caller},
+            {"period_ms", rpc_method_caller},
+            {"pulsewidth", rpc_method_caller},
+            {"pulsewidth_ms", rpc_method_caller},
+            RPC_METHOD_SUPER(RPC)
+        };
+        return rpc_methods;
+    }
+    static struct rpc_class *get_rpc_class() {
+        static const rpc_function funcs[] = {
+            {"new", rpc_function_caller >},
+            RPC_METHOD_END
+        };
+        static rpc_class c = {"PwmOut", funcs, NULL};
+        return &c;
+    }
+private:
+    PwmOut o;
+};
+#endif
+
+#if DEVICE_SPI
+class RpcSPI : public RPC {
+public:
+    RpcSPI(PinName a0, PinName a1, PinName a2, const char *name=NULL) : RPC(name), o(a0, a1, a2) {}
+
+    void format(int a0, int a1) {o.format(a0, a1);}
+    void frequency(int a0) {o.frequency(a0);}
+    int write(int a0) {return o.write(a0);}
+
+    virtual const struct rpc_method *get_rpc_methods() {
+        static const rpc_method rpc_methods[] = {
+            {"format", rpc_method_caller},
+            {"frequency", rpc_method_caller},
+            {"write", rpc_method_caller},
+            RPC_METHOD_SUPER(RPC)
+        };
+        return rpc_methods;
+    }
+    static struct rpc_class *get_rpc_class() {
+        static const rpc_function funcs[] = {
+            {"new", rpc_function_caller >},
+            RPC_METHOD_END
+        };
+        static rpc_class c = {"SPI", funcs, NULL};
+        return &c;
+    }
+private:
+    SPI o;
+};
+#endif
+
+#if DEVICE_SERIAL
+class RpcSerial : public RPC {
+public:
+    RpcSerial(PinName a0, PinName a1, const char *name=NULL) : RPC(name), o(a0, a1) {}
+
+    void baud(int a0) {o.baud(a0);}
+    int readable(void) {return o.readable();}
+    int writeable(void) {return o.writeable();}
+    int putc(int a0) {return o.putc(a0);}
+    int getc(void) {return o.getc();}
+    int puts(const char * a0) {return o.puts(a0);}
+
+    virtual const struct rpc_method *get_rpc_methods() {
+        static const rpc_method rpc_methods[] = {
+            {"baud", rpc_method_caller},
+            {"readable", rpc_method_caller},
+            {"writeable", rpc_method_caller},
+            {"putc", rpc_method_caller},
+            {"getc", rpc_method_caller},
+            {"puts", rpc_method_caller},
+            RPC_METHOD_SUPER(RPC)
+        };
+        return rpc_methods;
+    }
+    static struct rpc_class *get_rpc_class() {
+        static const rpc_function funcs[] = {
+            {"new", rpc_function_caller >},
+            RPC_METHOD_END
+        };
+        static rpc_class c = {"Serial", funcs, NULL};
+        return &c;
+    }
+private:
+    Serial o;
+};
+#endif
+
+class RpcTimer : public RPC {
+public:
+    RpcTimer(const char *name=NULL) : RPC(name), o() {}
+
+    void start(void) {o.start();}
+    void stop(void) {o.stop();}
+    void reset(void) {o.reset();}
+    float read(void) {return o.read();}
+    int read_ms(void) {return o.read_ms();}
+    int read_us(void) {return o.read_us();}
+
+    virtual const struct rpc_method *get_rpc_methods() {
+        static const rpc_method rpc_methods[] = {
+            {"start", rpc_method_caller},
+            {"stop", rpc_method_caller},
+            {"reset", rpc_method_caller},
+            {"read", rpc_method_caller},
+            {"read_ms", rpc_method_caller},
+            {"read_us", rpc_method_caller},
+            RPC_METHOD_SUPER(RPC)
+        };
+        return rpc_methods;
+    }
+    static struct rpc_class *get_rpc_class() {
+        static const rpc_function funcs[] = {
+            {"new", rpc_function_caller >},
+            RPC_METHOD_END
+        };
+        static rpc_class c = {"Timer", funcs, NULL};
+        return &c;
+    }
+private:
+    Timer o;
+};
+
+}
+
+#endif
diff --git a/libraries/mbed/rpc/mbed_rpc.h b/libraries/mbed/rpc/mbed_rpc.h
new file mode 100644
index 0000000000..d830069020
--- /dev/null
+++ b/libraries/mbed/rpc/mbed_rpc.h
@@ -0,0 +1,25 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_RPC_H
+#define MBED_RPC_H
+
+#include "rpc.h"
+#include "RPCVariable.h"
+#include "RPCFunction.h"
+#include "RpcClasses.h"
+#include "Arguments.h"
+
+#endif
diff --git a/libraries/mbed/rpc/rpc.cpp b/libraries/mbed/rpc/rpc.cpp
new file mode 100644
index 0000000000..60b5d764c7
--- /dev/null
+++ b/libraries/mbed/rpc/rpc.cpp
@@ -0,0 +1,191 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "rpc.h"
+
+using namespace std;
+
+namespace mbed {
+
+RPC::RPC(const char *name) {
+    _from_construct = false;
+    if (name != NULL) {
+        _name = new char[strlen(name) + 1];
+        strcpy(_name, name);
+    } else {
+        _name = new char[12];
+        sprintf(_name, "obj%p", this);
+    }
+    // put this object at head of the list
+    _next = _head;
+    _head = this;
+}
+
+RPC::~RPC() {
+    // remove this object from the list
+    if (_head == this) { // first in the list, so just drop me
+        _head = _next;
+    } else {            // find the object before me, then drop me
+        RPC* p = _head;
+        while (p->_next != this) {
+            p = p->_next;
+        }
+        p->_next = _next;
+    }
+}
+
+const rpc_method *RPC::get_rpc_methods() {
+    static const rpc_method methods[] = {
+        {"delete", rpc_method_caller },
+        RPC_METHOD_END
+    };
+    return methods;
+}
+
+RPC *RPC::lookup(const char *name) {
+    size_t len = strlen(name);
+    for (RPC *p = _head; p != NULL; p = p->_next) {
+        /* Check that p->_name matches name and is the correct length */
+        if (strncmp(p->_name, name, len) == 0 && (strlen(p->_name) == len)) {
+            return p;
+        }
+    }
+    return NULL;
+}
+
+void RPC::delete_self() {
+    delete[] _name;
+    if (_from_construct) {
+        delete this;
+    }
+}
+
+void RPC::list_objs(Arguments *args, Reply *result) {
+    for (RPC *ptr = RPC::_head; ptr != NULL; ptr = ptr->_next) {
+        if (ptr->_from_construct) {
+            result->putData(ptr->_name);
+        }
+    }
+}
+
+void RPC::clear(Arguments*, Reply*) {
+    RPC *ptr = RPC::_head;
+    while (ptr != NULL) {
+        RPC *tmp = ptr;
+        ptr = ptr->_next;
+        delete[] tmp->_name;
+        if (tmp->_from_construct) {
+            delete tmp;
+        }
+    }
+}
+
+const rpc_function RPC::_RPC_funcs[] = {
+    {"clear", &RPC::clear },
+    { "objects", &RPC::list_objs },
+    RPC_METHOD_END
+};
+
+rpc_class RPC::_RPC_class = { "RPC", _RPC_funcs, NULL };
+
+RPC *RPC::_head = NULL;
+
+rpc_class *RPC::_classes = &_RPC_class;
+
+bool RPC::call(const char *request, char *reply) {
+    if (request == NULL) return false;
+
+    Arguments args(request);
+    Reply r(reply);
+
+    /* If there's no name print object and class names to result */
+    if (args.obj_name == NULL) {
+        for (RPC *p = RPC::_head; p != NULL; p = p->_next) {
+            r.putData(p->_name);
+        }
+        for (rpc_class *c = RPC::_classes; c != NULL; c = c->next) {
+            r.putData(c->name);
+        }
+        return true;
+    }
+
+    /* First try matching an instance */
+    RPC *p = lookup(args.obj_name);
+    if (p != NULL) {
+        /* Get the list of methods we support */
+        const rpc_method *cur_method = p->get_rpc_methods();
+
+        /* When there's no method print method names to result */
+        if (args.method_name == NULL) {
+            while (true) {
+                for (; cur_method->name != NULL; cur_method++) {
+                    r.putData(cur_method->name);
+                }
+
+                /* write_name_arr's args are references, so result and cur_method will have changed */
+                if (cur_method->super != 0) {
+                    cur_method = cur_method->super(p);
+                } else {
+                    return true;
+                }
+            }
+        }
+
+        /* Look through the methods for the one whose name matches */
+        while (true) {
+            for (; cur_method->name != NULL; cur_method++) {
+                if (strcmp(cur_method->name, args.method_name) == 0) {
+                    (cur_method->method_caller)(p, &args, &r);
+                    return true;
+                }
+            }
+
+            if (cur_method->super != 0) {
+                cur_method = cur_method->super(p);
+            } else {
+                /* end of methods and no match */
+                return false;
+            }
+
+        }
+    }
+
+    /* Then try a class */
+    for (const rpc_class *q = _classes; q != NULL; q = q->next) {
+        if (strcmp(q->name, args.obj_name) == 0) {
+            /* Matched the class name, so get its functions */
+            const rpc_function *cur_func = q->static_functions;
+            if (args.method_name == NULL) {
+                for (; cur_func->name != NULL; cur_func++) {
+                    r.putData(cur_func->name);
+                }
+                return true;
+            } else {
+                /* Otherwise call the appropriate function */
+                for (; cur_func->name != NULL; cur_func++) {
+                    if (strcmp(cur_func->name, args.method_name) == 0) {
+                        (cur_func->function_caller)(&args, &r);
+                        return true;
+                    }
+                }
+                return false;
+            }
+        }
+    }
+
+    return false;
+}
+
+} // namespace mbed
diff --git a/libraries/mbed/rpc/rpc.h b/libraries/mbed/rpc/rpc.h
new file mode 100644
index 0000000000..8ed63c65aa
--- /dev/null
+++ b/libraries/mbed/rpc/rpc.h
@@ -0,0 +1,313 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef RPC_H
+#define RPC_H
+
+#include "mbed.h"
+#include "Arguments.h"
+
+namespace mbed {
+
+#define RPC_MAX_STRING      128
+
+struct rpc_function {
+    const char *name;
+    void (*function_caller)(Arguments*, Reply*);
+};
+
+struct rpc_class {
+    const char *name;
+    const rpc_function *static_functions;
+    struct rpc_class *next;
+};
+
+/* Class RPC
+ *  The RPC class for most things
+ */
+class RPC {
+
+public:
+
+    RPC(const char *name = NULL);
+
+    virtual ~RPC();
+
+    /* Function get_rpc_methods
+     *  Returns a pointer to an array describing the rpc methods
+     *  supported by this object, terminated by either
+     *  RPC_METHOD_END or RPC_METHOD_SUPER(Superclass).
+     *
+     * Example
+     * > class Example : public RPC {
+     * >   int foo(int a, int b) { return a + b; }
+     * >   virtual const struct rpc_method *get_rpc_methods() {
+     * >     static const rpc_method rpc_methods[] = {
+     * >       { "foo", generic_caller },
+     * >       RPC_METHOD_SUPER(RPC)
+     * >     };
+     * >     return rpc_methods;
+     * >   }
+     * > };
+     */
+    virtual const struct rpc_method *get_rpc_methods();
+
+    static bool call(const char *buf, char *result);
+
+    /* Function lookup
+     *  Lookup and return the object that has the given name.
+     *
+     * Variables
+     *  name - the name to lookup.
+     */
+    static RPC *lookup(const char *name);
+
+protected:
+    static RPC *_head;
+    RPC *_next;
+    char *_name;
+    bool _from_construct;
+
+private:
+    static rpc_class *_classes;
+
+    static const rpc_function _RPC_funcs[];
+    static rpc_class _RPC_class;
+
+    void delete_self();
+    static void list_objs(Arguments *args, Reply *result);
+    static void clear(Arguments *args, Reply *result);
+
+public:
+    /* Function add_rpc_class
+     *  Add the class to the list of classes which can have static
+     *  methods called via rpc (the static methods which can be called
+     *  are defined by that class' get_rpc_class() static method).
+     */
+    template
+    static void add_rpc_class() {
+        rpc_class *c = C::get_rpc_class();
+        c->next = _classes;
+        _classes = c;
+    }
+
+    template
+    static const char *construct() {
+        RPC *p = new C();
+        p->_from_construct = true;
+        return p->_name;
+    }
+
+    template
+    static const char *construct(A1 arg1) {
+        RPC *p = new C(arg1);
+        p->_from_construct = true;
+        return p->_name;
+    }
+
+    template
+    static const char *construct(A1 arg1, A2 arg2) {
+        RPC *p = new C(arg1, arg2);
+        p->_from_construct = true;
+        return p->_name;
+    }
+
+    template
+    static const char *construct(A1 arg1, A2 arg2, A3 arg3) {
+        RPC *p = new C(arg1, arg2, arg3);
+        p->_from_construct = true;
+        return p->_name;
+    }
+
+    template
+    static const char *construct(A1 arg1, A2 arg2, A3 arg3, A4 arg4) {
+        RPC *p = new C(arg1, arg2, arg3, arg4);
+        p->_from_construct = true;
+        return p->_name;
+    }
+};
+
+/* Macro MBED_OBJECT_NAME_MAX
+ *  The maximum size of object name (including terminating null byte)
+ *  that will be recognised when using fopen to open a FileLike
+ *  object, or when using the rpc function.
+ */
+#define MBED_OBJECT_NAME_MAX 32
+
+/* Macro MBED_METHOD_NAME_MAX
+ *  The maximum size of rpc method name (including terminating null
+ *  byte) that will be recognised by the rpc function (in rpc.h).
+ */
+#define MBED_METHOD_NAME_MAX 32
+
+/* Function rpc_method_caller
+ */
+template
+void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
+    (static_cast(this_ptr)->*member)(arguments, result);
+}
+
+/* Function rpc_method_caller
+ */
+template
+void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
+    (static_cast(this_ptr)->*member)();
+}
+
+/* Function rpc_method_caller
+ */
+template
+void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
+    A1 arg1 = arguments->getArg();
+
+    (static_cast(this_ptr)->*member)(arg1);
+}
+
+/* Function rpc_method_caller
+ */
+template
+void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
+    A1 arg1 = arguments->getArg();
+    A2 arg2 = arguments->getArg();
+
+    (static_cast(this_ptr)->*member)(arg1, arg2);
+}
+
+/* Function rpc_method_caller
+ */
+template
+void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
+    A1 arg1 = arguments->getArg();
+    A2 arg2 = arguments->getArg();
+    A3 arg3 = arguments->getArg();
+
+    (static_cast(this_ptr)->*member)(arg1, arg2, arg3);
+}
+
+/* Function rpc_method_caller
+ */
+template
+void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
+    R res = (static_cast(this_ptr)->*member)();
+    result->putData(res);
+}
+
+/* Function rpc_method_caller
+ */
+template
+void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
+    A1 arg1 = arguments->getArg();
+
+    R res = (static_cast(this_ptr)->*member)(arg1);
+    result->putData(res);
+}
+
+/* Function rpc_method_caller
+ */
+template
+void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
+    A1 arg1 = arguments->getArg();
+    A2 arg2 = arguments->getArg();
+
+    R res = (static_cast(this_ptr)->*member)(arg1, arg2);
+    result->putData(res);
+}
+
+/* Function rpc_method_caller
+ */
+template
+void rpc_method_caller(RPC *this_ptr, Arguments *arguments, Reply *result) {
+    A1 arg1 = arguments->getArg();
+    A2 arg2 = arguments->getArg();
+    A3 arg3 = arguments->getArg();
+
+    R res = (static_cast(this_ptr)->*member)(arg1, arg2, arg3);
+    result->putData(res);
+}
+
+/* Function rpc_function caller
+ */
+template
+void rpc_function_caller(Arguments *arguments, Reply *result) {
+    R res = (*func)();
+    result->putData(res);
+}
+
+/* Function rpc_function caller
+ */
+template
+void rpc_function_caller(Arguments *arguments, Reply *result) {
+    A1 arg1 = arguments->getArg();
+    R res = (*func)(arg1);
+    result->putData(res);
+}
+
+/* Function rpc_function caller
+ */
+template
+void rpc_function_caller(Arguments *arguments, Reply *result) {
+    A1 arg1 = arguments->getArg();
+    A2 arg2 = arguments->getArg();
+
+    R res = (*func)(arg1, arg2);
+    result->putData(res);
+}
+
+/* Function rpc_function caller
+ */
+template
+void rpc_function_caller(Arguments *arguments, Reply *result) {
+    A1 arg1 = arguments->getArg();
+    A2 arg2 = arguments->getArg();
+    A3 arg3 = arguments->getArg();
+
+    R res = (*func)(arg1, arg2, arg3);
+    result->putData(res);
+}
+
+/* Function rpc_function caller
+ */
+template
+void rpc_function_caller(Arguments *arguments, Reply *result) {
+    A1 arg1 = arguments->getArg();
+    A2 arg2 = arguments->getArg();
+    A3 arg3 = arguments->getArg();
+    A4 arg4 = arguments->getArg();
+
+    R res = (*func)(arg1, arg2, arg3, arg4);
+    result->putData(res);
+}
+
+struct rpc_method {
+    const char *name;
+    typedef void (*method_caller_t)(RPC*, Arguments*, Reply*);
+    typedef const struct rpc_method *(*super_t)(RPC*);
+    union {
+        method_caller_t method_caller;
+        super_t super;
+    };
+};
+
+template
+const struct rpc_method *rpc_super(RPC *this_ptr) {
+    return static_cast(this_ptr)->C::get_rpc_methods();
+}
+
+#define RPC_METHOD_END      { NULL, NULL }
+#define RPC_METHOD_SUPER(C) { NULL, (rpc_method::method_caller_t)rpc_super }
+
+} // namespace mbed
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC11U24/PeripheralNames.h b/libraries/mbed/vendor/NXP/capi/LPC11U24/PeripheralNames.h
new file mode 100644
index 0000000000..8fae2c63fc
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC11U24/PeripheralNames.h
@@ -0,0 +1,71 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PERIPHERALNAMES_H
+#define MBED_PERIPHERALNAMES_H
+
+#include "cmsis.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    UART_0 = (int)LPC_USART_BASE
+} UARTName;
+
+typedef enum {
+    I2C_0 = (int)LPC_I2C_BASE
+} I2CName;
+
+typedef enum {
+    ADC0_0 = 0,
+    ADC0_1,
+    ADC0_2,
+    ADC0_3,
+    ADC0_4,
+    ADC0_5,
+    ADC0_6,
+    ADC0_7
+} ADCName;
+
+typedef enum {
+    SPI_0 = (int)LPC_SSP0_BASE,
+    SPI_1 = (int)LPC_SSP1_BASE
+} SPIName;
+
+typedef enum {
+    PWM_1 = 0,
+    PWM_2,
+    PWM_3,
+    PWM_4,
+    PWM_5,
+    PWM_6,
+    PWM_7,
+    PWM_8,
+    PWM_9,
+    PWM_10,
+    PWM_11
+} PWMName;
+
+#define STDIO_UART_TX     USBTX
+#define STDIO_UART_RX     USBRX
+#define STDIO_UART        UART_0
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC11U24/PinNames.h b/libraries/mbed/vendor/NXP/capi/LPC11U24/PinNames.h
new file mode 100644
index 0000000000..4e45c040b7
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC11U24/PinNames.h
@@ -0,0 +1,165 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PINNAMES_H
+#define MBED_PINNAMES_H
+
+#include "cmsis.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    PIN_INPUT,
+    PIN_OUTPUT
+} PinDirection;
+
+#define PORT_SHIFT  5
+
+typedef enum {
+    // LPC11U Pin Names
+    P0_0 = 0,
+    P0_1 = 1,
+    P0_2 = 2,
+    P0_3 = 3,
+    P0_4 = 4,
+    P0_5 = 5,
+    P0_6 = 6,
+    P0_7 = 7,
+    P0_8 = 8,
+    P0_9 = 9,
+    P0_10 = 10,
+    P0_11 = 11,
+    P0_12 = 12,
+    P0_13 = 13,
+    P0_14 = 14,
+    P0_15 = 15,
+    P0_16 = 16,
+    P0_17 = 17,
+    P0_18 = 18,
+    P0_19 = 19,
+    P0_20 = 20,
+    P0_21 = 21,
+    P0_22 = 22,
+    P0_23 = 23,
+    P0_24 = 24,
+    P0_25 = 25,
+    P0_26 = 26,
+    P0_27 = 27,
+
+    P1_0 = 32,
+    P1_1 = 33,
+    P1_2 = 34,
+    P1_3 = 35,
+    P1_4 = 36,
+    P1_5 = 37,
+    P1_6 = 38,
+    P1_7 = 39,
+    P1_8 = 40,
+    P1_9 = 41,
+    P1_10 = 42,
+    P1_11 = 43,
+    P1_12 = 44,
+    P1_13 = 45,
+    P1_14 = 46,
+    P1_15 = 47,
+    P1_16 = 48,
+    P1_17 = 49,
+    P1_18 = 50,
+    P1_19 = 51,
+    P1_20 = 52,
+    P1_21 = 53,
+    P1_22 = 54,
+    P1_23 = 55,
+    P1_24 = 56,
+    P1_25 = 57,
+    P1_26 = 58,
+    P1_27 = 59,
+    P1_28 = 60,
+    P1_29 = 61,
+
+    P1_31 = 63,
+
+    // mbed DIP Pin Names
+    p5  = P0_9,
+    p6  = P0_8,
+    p7  = P1_29,
+    p8  = P0_2,
+    p9  = P1_27,
+    p10 = P1_26,
+    p11 = P1_22,
+    p12 = P1_21,
+    p13 = P1_20,
+    p14 = P1_23,
+    p15 = P0_11,
+    p16 = P0_12,
+    p17 = P0_13,
+    p18 = P0_14,
+    p19 = P0_16,
+    p20 = P0_22,
+    p21 = P0_7,
+    p22 = P0_17,
+    p23 = P1_17,
+    p24 = P1_18,
+    p25 = P1_24,
+    p26 = P1_25,
+    p27 = P0_4,
+    p28 = P0_5,
+    p29 = P1_5,
+    p30 = P1_2,
+
+    p33 = P0_3,
+    p34 = P1_15,
+    p35 = P0_20,
+    p36 = P0_21,
+
+    // Other mbed Pin Names
+    LED1 = P1_8,
+    LED2 = P1_9,
+    LED3 = P1_10,
+    LED4 = P1_11,
+
+    USBTX = P0_19,
+    USBRX = P0_18,
+
+    // Not connected
+    NC = (int)0xFFFFFFFF,
+} PinName;
+
+typedef enum {
+    CHANNEL0 = FLEX_INT0_IRQn,
+    CHANNEL1 = FLEX_INT1_IRQn,
+    CHANNEL2 = FLEX_INT2_IRQn,
+    CHANNEL3 = FLEX_INT3_IRQn,
+    CHANNEL4 = FLEX_INT4_IRQn,
+    CHANNEL5 = FLEX_INT5_IRQn,
+    CHANNEL6 = FLEX_INT6_IRQn,
+    CHANNEL7 = FLEX_INT7_IRQn
+} Channel;
+
+typedef enum {
+    PullUp = 2,
+    PullDown = 1,
+    PullNone = 0,
+    Repeater = 3,
+    OpenDrain = 4
+} PinMode;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC11U24/PortNames.h b/libraries/mbed/vendor/NXP/capi/LPC11U24/PortNames.h
new file mode 100644
index 0000000000..3f272730a1
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC11U24/PortNames.h
@@ -0,0 +1,31 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PORTNAMES_H
+#define MBED_PORTNAMES_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    Port0 = 0,
+    Port1 = 1
+} PortName;
+
+#ifdef __cplusplus
+}
+#endif
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC11U24/device.h b/libraries/mbed/vendor/NXP/capi/LPC11U24/device.h
new file mode 100644
index 0000000000..11db8efb4b
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC11U24/device.h
@@ -0,0 +1,57 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_DEVICE_H
+#define MBED_DEVICE_H
+
+#define DEVICE_PORTIN           1
+#define DEVICE_PORTOUT          1
+#define DEVICE_PORTINOUT        1
+
+#define DEVICE_INTERRUPTIN      1
+
+#define DEVICE_ANALOGIN         1
+#define DEVICE_ANALOGOUT        0
+
+#define DEVICE_SERIAL           1
+
+#define DEVICE_I2C              1
+#define DEVICE_I2CSLAVE         1
+
+#define DEVICE_SPI              1
+#define DEVICE_SPISLAVE         1
+
+#define DEVICE_CAN              0
+
+#define DEVICE_RTC              0
+
+#define DEVICE_ETHERNET         0
+
+#define DEVICE_PWMOUT           1
+
+#define DEVICE_SEMIHOST         1
+#define DEVICE_LOCALFILESYSTEM  1
+#define DEVICE_ID_LENGTH       32
+#define DEVICE_MAC_OFFSET      20
+
+#define DEVICE_SLEEP            1
+
+#define DEVICE_DEBUG_AWARENESS  0
+
+#define DEVICE_STDIO_MESSAGES   1
+
+#include "objects.h"
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC11U24/gpio_object.h b/libraries/mbed/vendor/NXP/capi/LPC11U24/gpio_object.h
new file mode 100644
index 0000000000..8f8d5eb595
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC11U24/gpio_object.h
@@ -0,0 +1,48 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_GPIO_OBJECT_H
+#define MBED_GPIO_OBJECT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    PinName  pin;
+    uint32_t mask;
+
+    __IO uint32_t *reg_dir;
+    __IO uint32_t *reg_set;
+    __IO uint32_t *reg_clr;
+    __I  uint32_t *reg_in;
+} gpio_t;
+
+static inline void gpio_write(gpio_t *obj, int value) {
+    if (value)
+        *obj->reg_set = obj->mask;
+    else
+        *obj->reg_clr = obj->mask;
+}
+
+static inline int gpio_read(gpio_t *obj) {
+    return ((*obj->reg_in & obj->mask) ? 1 : 0);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC11U24/objects.h b/libraries/mbed/vendor/NXP/capi/LPC11U24/objects.h
new file mode 100644
index 0000000000..755e77311a
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC11U24/objects.h
@@ -0,0 +1,66 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_OBJECTS_H
+#define MBED_OBJECTS_H
+
+#include "cmsis.h"
+#include "PortNames.h"
+#include "PeripheralNames.h"
+#include "PinNames.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct gpio_irq_s {
+    uint32_t ch;
+};
+
+struct port_s {
+    __IO uint32_t *reg_dir;
+    __IO uint32_t *reg_mpin;
+    PortName port;
+    uint32_t mask;
+};
+
+struct pwmout_s {
+    PWMName pwm;
+};
+
+struct serial_s {
+    LPC_USART_Type *uart;
+    int index;
+};
+
+struct analogin_s {
+    ADCName adc;
+};
+
+struct i2c_s {
+    LPC_I2C_Type *i2c;
+};
+
+struct spi_s {
+    LPC_SSPx_Type *spi;
+};
+
+#include "gpio_object.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC1768/PeripheralNames.h b/libraries/mbed/vendor/NXP/capi/LPC1768/PeripheralNames.h
new file mode 100644
index 0000000000..bda583dcad
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC1768/PeripheralNames.h
@@ -0,0 +1,80 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PERIPHERALNAMES_H
+#define MBED_PERIPHERALNAMES_H
+
+#include "cmsis.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    UART_0 = (int)LPC_UART0_BASE,
+    UART_1 = (int)LPC_UART1_BASE,
+    UART_2 = (int)LPC_UART2_BASE,
+    UART_3 = (int)LPC_UART3_BASE
+} UARTName;
+
+typedef enum {
+    ADC0_0 = 0,
+    ADC0_1,
+    ADC0_2,
+    ADC0_3,
+    ADC0_4,
+    ADC0_5,
+    ADC0_6,
+    ADC0_7
+} ADCName;
+
+typedef enum {
+    DAC_0 = 0
+} DACName;
+
+typedef enum {
+    SPI_0 = (int)LPC_SSP0_BASE,
+    SPI_1 = (int)LPC_SSP1_BASE
+} SPIName;
+
+typedef enum {
+    I2C_0 = (int)LPC_I2C0_BASE,
+    I2C_1 = (int)LPC_I2C1_BASE,
+    I2C_2 = (int)LPC_I2C2_BASE
+} I2CName;
+
+typedef enum {
+    PWM_1 = 1,
+    PWM_2,
+    PWM_3,
+    PWM_4,
+    PWM_5,
+    PWM_6
+} PWMName;
+
+typedef enum {
+     CAN_1 = (int)LPC_CAN1_BASE,
+     CAN_2 = (int)LPC_CAN2_BASE
+} CANName;
+
+#define STDIO_UART_TX     USBTX
+#define STDIO_UART_RX     USBRX
+#define STDIO_UART        UART_0
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC1768/PinNames.h b/libraries/mbed/vendor/NXP/capi/LPC1768/PinNames.h
new file mode 100644
index 0000000000..340efd7630
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC1768/PinNames.h
@@ -0,0 +1,109 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PINNAMES_H
+#define MBED_PINNAMES_H
+
+#include "cmsis.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    PIN_INPUT,
+    PIN_OUTPUT
+} PinDirection;
+
+#define PORT_SHIFT  5
+
+typedef enum {
+    // LPC Pin Names
+    P0_0 = LPC_GPIO0_BASE,
+          P0_1, P0_2, P0_3, P0_4, P0_5, P0_6, P0_7, P0_8, P0_9, P0_10, P0_11, P0_12, P0_13, P0_14, P0_15, P0_16, P0_17, P0_18, P0_19, P0_20, P0_21, P0_22, P0_23, P0_24, P0_25, P0_26, P0_27, P0_28, P0_29, P0_30, P0_31,
+    P1_0, P1_1, P1_2, P1_3, P1_4, P1_5, P1_6, P1_7, P1_8, P1_9, P1_10, P1_11, P1_12, P1_13, P1_14, P1_15, P1_16, P1_17, P1_18, P1_19, P1_20, P1_21, P1_22, P1_23, P1_24, P1_25, P1_26, P1_27, P1_28, P1_29, P1_30, P1_31,
+    P2_0, P2_1, P2_2, P2_3, P2_4, P2_5, P2_6, P2_7, P2_8, P2_9, P2_10, P2_11, P2_12, P2_13, P2_14, P2_15, P2_16, P2_17, P2_18, P2_19, P2_20, P2_21, P2_22, P2_23, P2_24, P2_25, P2_26, P2_27, P2_28, P2_29, P2_30, P2_31,
+    P3_0, P3_1, P3_2, P3_3, P3_4, P3_5, P3_6, P3_7, P3_8, P3_9, P3_10, P3_11, P3_12, P3_13, P3_14, P3_15, P3_16, P3_17, P3_18, P3_19, P3_20, P3_21, P3_22, P3_23, P3_24, P3_25, P3_26, P3_27, P3_28, P3_29, P3_30, P3_31,
+    P4_0, P4_1, P4_2, P4_3, P4_4, P4_5, P4_6, P4_7, P4_8, P4_9, P4_10, P4_11, P4_12, P4_13, P4_14, P4_15, P4_16, P4_17, P4_18, P4_19, P4_20, P4_21, P4_22, P4_23, P4_24, P4_25, P4_26, P4_27, P4_28, P4_29, P4_30, P4_31,
+
+    // mbed DIP Pin Names
+    p5 = P0_9,
+    p6 = P0_8,
+    p7 = P0_7,
+    p8 = P0_6,
+    p9 = P0_0,
+    p10 = P0_1,
+    p11 = P0_18,
+    p12 = P0_17,
+    p13 = P0_15,
+    p14 = P0_16,
+    p15 = P0_23,
+    p16 = P0_24,
+    p17 = P0_25,
+    p18 = P0_26,
+    p19 = P1_30,
+    p20 = P1_31,
+    p21 = P2_5,
+    p22 = P2_4,
+    p23 = P2_3,
+    p24 = P2_2,
+    p25 = P2_1,
+    p26 = P2_0,
+    p27 = P0_11,
+    p28 = P0_10,
+    p29 = P0_5,
+    p30 = P0_4,
+
+    // Other mbed Pin Names
+#ifdef MCB1700
+    LED1 = P1_28,
+    LED2 = P1_29,
+    LED3 = P1_31,
+    LED4 = P2_2,
+#else
+    LED1 = P1_18,
+    LED2 = P1_20,
+    LED3 = P1_21,
+    LED4 = P1_23,
+#endif
+    USBTX = P0_2,
+    USBRX = P0_3,
+
+    // Not connected
+    NC = (int)0xFFFFFFFF
+} PinName;
+
+typedef enum {
+    PullUp = 0,
+    PullDown = 3,
+    PullNone = 2,
+    OpenDrain = 4
+} PinMode;
+
+// version of PINCON_TypeDef using register arrays
+typedef struct {
+  __IO uint32_t PINSEL[11];
+       uint32_t RESERVED0[5];
+  __IO uint32_t PINMODE[10];
+  __IO uint32_t PINMODE_OD[5];
+} PINCONARRAY_TypeDef;
+
+#define PINCONARRAY ((PINCONARRAY_TypeDef *)LPC_PINCON_BASE)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC1768/PortNames.h b/libraries/mbed/vendor/NXP/capi/LPC1768/PortNames.h
new file mode 100644
index 0000000000..270cdeecb0
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC1768/PortNames.h
@@ -0,0 +1,34 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PORTNAMES_H
+#define MBED_PORTNAMES_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    Port0 = 0,
+    Port1 = 1,
+    Port2 = 2,
+    Port3 = 3,
+    Port4 = 4
+} PortName;
+
+#ifdef __cplusplus
+}
+#endif
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC1768/device.h b/libraries/mbed/vendor/NXP/capi/LPC1768/device.h
new file mode 100644
index 0000000000..2bb85208a2
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC1768/device.h
@@ -0,0 +1,57 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_DEVICE_H
+#define MBED_DEVICE_H
+
+#define DEVICE_PORTIN           1
+#define DEVICE_PORTOUT          1
+#define DEVICE_PORTINOUT        1
+
+#define DEVICE_INTERRUPTIN      1
+
+#define DEVICE_ANALOGIN         1
+#define DEVICE_ANALOGOUT        1
+
+#define DEVICE_SERIAL           1
+
+#define DEVICE_I2C              1
+#define DEVICE_I2CSLAVE         1
+
+#define DEVICE_SPI              1
+#define DEVICE_SPISLAVE         1
+
+#define DEVICE_CAN              1
+
+#define DEVICE_RTC              1
+
+#define DEVICE_ETHERNET         1
+
+#define DEVICE_PWMOUT           1
+
+#define DEVICE_SEMIHOST         1
+#define DEVICE_LOCALFILESYSTEM  1
+#define DEVICE_ID_LENGTH       32
+#define DEVICE_MAC_OFFSET      20
+
+#define DEVICE_SLEEP            1
+
+#define DEVICE_DEBUG_AWARENESS  1
+
+#define DEVICE_STDIO_MESSAGES   1
+
+#include "objects.h"
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC1768/gpio_object.h b/libraries/mbed/vendor/NXP/capi/LPC1768/gpio_object.h
new file mode 100644
index 0000000000..8f8d5eb595
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC1768/gpio_object.h
@@ -0,0 +1,48 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_GPIO_OBJECT_H
+#define MBED_GPIO_OBJECT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    PinName  pin;
+    uint32_t mask;
+
+    __IO uint32_t *reg_dir;
+    __IO uint32_t *reg_set;
+    __IO uint32_t *reg_clr;
+    __I  uint32_t *reg_in;
+} gpio_t;
+
+static inline void gpio_write(gpio_t *obj, int value) {
+    if (value)
+        *obj->reg_set = obj->mask;
+    else
+        *obj->reg_clr = obj->mask;
+}
+
+static inline int gpio_read(gpio_t *obj) {
+    return ((*obj->reg_in & obj->mask) ? 1 : 0);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC1768/objects.h b/libraries/mbed/vendor/NXP/capi/LPC1768/objects.h
new file mode 100644
index 0000000000..41d717adc6
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC1768/objects.h
@@ -0,0 +1,78 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_OBJECTS_H
+#define MBED_OBJECTS_H
+
+#include "cmsis.h"
+#include "PortNames.h"
+#include "PeripheralNames.h"
+#include "PinNames.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct gpio_irq_s {
+    uint32_t port;
+    uint32_t pin;
+    uint32_t ch;
+};
+
+struct port_s {
+    __IO uint32_t *reg_dir;
+    __IO uint32_t *reg_out;
+    __I  uint32_t *reg_in;
+    PortName port;
+    uint32_t mask;
+};
+
+struct pwmout_s {
+    __IO uint32_t *MR;
+    PWMName pwm;
+};
+
+struct serial_s {
+    LPC_UART_TypeDef *uart;
+    int index;
+};
+
+struct analogin_s {
+    ADCName adc;
+};
+
+struct dac_s {
+    DACName dac;
+};
+
+struct can_s {
+    LPC_CAN_TypeDef *dev;
+};
+
+struct i2c_s {
+    LPC_I2C_TypeDef *i2c;
+};
+
+struct spi_s {
+    LPC_SSP_TypeDef *spi;
+};
+
+#include "gpio_object.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC2368/PeripheralNames.h b/libraries/mbed/vendor/NXP/capi/LPC2368/PeripheralNames.h
new file mode 100644
index 0000000000..bda583dcad
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC2368/PeripheralNames.h
@@ -0,0 +1,80 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PERIPHERALNAMES_H
+#define MBED_PERIPHERALNAMES_H
+
+#include "cmsis.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    UART_0 = (int)LPC_UART0_BASE,
+    UART_1 = (int)LPC_UART1_BASE,
+    UART_2 = (int)LPC_UART2_BASE,
+    UART_3 = (int)LPC_UART3_BASE
+} UARTName;
+
+typedef enum {
+    ADC0_0 = 0,
+    ADC0_1,
+    ADC0_2,
+    ADC0_3,
+    ADC0_4,
+    ADC0_5,
+    ADC0_6,
+    ADC0_7
+} ADCName;
+
+typedef enum {
+    DAC_0 = 0
+} DACName;
+
+typedef enum {
+    SPI_0 = (int)LPC_SSP0_BASE,
+    SPI_1 = (int)LPC_SSP1_BASE
+} SPIName;
+
+typedef enum {
+    I2C_0 = (int)LPC_I2C0_BASE,
+    I2C_1 = (int)LPC_I2C1_BASE,
+    I2C_2 = (int)LPC_I2C2_BASE
+} I2CName;
+
+typedef enum {
+    PWM_1 = 1,
+    PWM_2,
+    PWM_3,
+    PWM_4,
+    PWM_5,
+    PWM_6
+} PWMName;
+
+typedef enum {
+     CAN_1 = (int)LPC_CAN1_BASE,
+     CAN_2 = (int)LPC_CAN2_BASE
+} CANName;
+
+#define STDIO_UART_TX     USBTX
+#define STDIO_UART_RX     USBRX
+#define STDIO_UART        UART_0
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC2368/PinNames.h b/libraries/mbed/vendor/NXP/capi/LPC2368/PinNames.h
new file mode 100644
index 0000000000..69ab91fe51
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC2368/PinNames.h
@@ -0,0 +1,103 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MBED_PINNAMES_H
+#define MBED_PINNAMES_H
+
+#include "cmsis.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    PIN_INPUT,
+    PIN_OUTPUT
+} PinDirection;
+
+#define PORT_SHIFT  5
+
+typedef enum {
+    // LPC Pin Names
+    P0_0 = LPC_GPIO0_BASE,
+          P0_1, P0_2, P0_3, P0_4, P0_5, P0_6, P0_7, P0_8, P0_9, P0_10, P0_11, P0_12, P0_13, P0_14, P0_15, P0_16, P0_17, P0_18, P0_19, P0_20, P0_21, P0_22, P0_23, P0_24, P0_25, P0_26, P0_27, P0_28, P0_29, P0_30, P0_31,
+    P1_0, P1_1, P1_2, P1_3, P1_4, P1_5, P1_6, P1_7, P1_8, P1_9, P1_10, P1_11, P1_12, P1_13, P1_14, P1_15, P1_16, P1_17, P1_18, P1_19, P1_20, P1_21, P1_22, P1_23, P1_24, P1_25, P1_26, P1_27, P1_28, P1_29, P1_30, P1_31,
+    P2_0, P2_1, P2_2, P2_3, P2_4, P2_5, P2_6, P2_7, P2_8, P2_9, P2_10, P2_11, P2_12, P2_13, P2_14, P2_15, P2_16, P2_17, P2_18, P2_19, P2_20, P2_21, P2_22, P2_23, P2_24, P2_25, P2_26, P2_27, P2_28, P2_29, P2_30, P2_31,
+    P3_0, P3_1, P3_2, P3_3, P3_4, P3_5, P3_6, P3_7, P3_8, P3_9, P3_10, P3_11, P3_12, P3_13, P3_14, P3_15, P3_16, P3_17, P3_18, P3_19, P3_20, P3_21, P3_22, P3_23, P3_24, P3_25, P3_26, P3_27, P3_28, P3_29, P3_30, P3_31,
+    P4_0, P4_1, P4_2, P4_3, P4_4, P4_5, P4_6, P4_7, P4_8, P4_9, P4_10, P4_11, P4_12, P4_13, P4_14, P4_15, P4_16, P4_17, P4_18, P4_19, P4_20, P4_21, P4_22, P4_23, P4_24, P4_25, P4_26, P4_27, P4_28, P4_29, P4_30, P4_31,
+
+    // mbed DIP Pin Names
+    p5 = P0_9,
+    p6 = P0_8,
+    p7 = P0_7,
+    p8 = P0_6,
+    p9 = P0_0,
+    p10 = P0_1,
+    p11 = P0_18,
+    p12 = P0_17,
+    p13 = P0_15,
+    p14 = P0_16,
+    p15 = P0_23,
+    p16 = P0_24,
+    p17 = P0_25,
+    p18 = P0_26,
+    p19 = P1_30,
+    p20 = P1_31,
+    p21 = P2_5,
+    p22 = P2_4,
+    p23 = P2_3,
+    p24 = P2_2,
+    p25 = P2_1,
+    p26 = P2_0,
+    p27 = P0_11,
+    p28 = P0_10,
+    p29 = P0_5,
+    p30 = P0_4,
+
+    // Other mbed Pin Names
+    LED1 = P1_18,
+    LED2 = P1_20,
+    LED3 = P1_21,
+    LED4 = P1_23,
+
+    USBTX = P0_2,
+    USBRX = P0_3,
+
+    // Not connected
+    NC = (int)0xFFFFFFFF
+} PinName;
+
+typedef enum {
+    PullUp = 0,
+    PullDown = 3,
+    PullNone = 2,
+    OpenDrain = 4
+} PinMode;
+
+// version of PINCON_TypeDef using register arrays
+typedef struct {
+  __IO uint32_t PINSEL[11];
+       uint32_t RESERVED0[5];
+  __IO uint32_t PINMODE[10];
+} PINCONARRAY_TypeDef;
+
+#define PINCONARRAY ((PINCONARRAY_TypeDef *)LPC_PINCON_BASE)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC2368/PortNames.h b/libraries/mbed/vendor/NXP/capi/LPC2368/PortNames.h
new file mode 100644
index 0000000000..270cdeecb0
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC2368/PortNames.h
@@ -0,0 +1,34 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PORTNAMES_H
+#define MBED_PORTNAMES_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    Port0 = 0,
+    Port1 = 1,
+    Port2 = 2,
+    Port3 = 3,
+    Port4 = 4
+} PortName;
+
+#ifdef __cplusplus
+}
+#endif
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC2368/device.h b/libraries/mbed/vendor/NXP/capi/LPC2368/device.h
new file mode 100644
index 0000000000..492def9fbf
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC2368/device.h
@@ -0,0 +1,57 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_DEVICE_H
+#define MBED_DEVICE_H
+
+#define DEVICE_PORTIN           1
+#define DEVICE_PORTOUT          1
+#define DEVICE_PORTINOUT        1
+
+#define DEVICE_INTERRUPTIN      1
+
+#define DEVICE_ANALOGIN         1
+#define DEVICE_ANALOGOUT        1
+
+#define DEVICE_SERIAL           1
+
+#define DEVICE_I2C              1
+#define DEVICE_I2CSLAVE         1
+
+#define DEVICE_SPI              1
+#define DEVICE_SPISLAVE         1
+
+#define DEVICE_CAN              1
+
+#define DEVICE_RTC              1
+
+#define DEVICE_ETHERNET         1
+
+#define DEVICE_PWMOUT           1
+
+#define DEVICE_SEMIHOST         1
+#define DEVICE_LOCALFILESYSTEM  1
+#define DEVICE_ID_LENGTH       32
+#define DEVICE_MAC_OFFSET      20
+
+#define DEVICE_SLEEP            0
+
+#define DEVICE_DEBUG_AWARENESS  0
+
+#define DEVICE_STDIO_MESSAGES   1
+
+#include "objects.h"
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC2368/gpio_object.h b/libraries/mbed/vendor/NXP/capi/LPC2368/gpio_object.h
new file mode 100644
index 0000000000..8f8d5eb595
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC2368/gpio_object.h
@@ -0,0 +1,48 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_GPIO_OBJECT_H
+#define MBED_GPIO_OBJECT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    PinName  pin;
+    uint32_t mask;
+
+    __IO uint32_t *reg_dir;
+    __IO uint32_t *reg_set;
+    __IO uint32_t *reg_clr;
+    __I  uint32_t *reg_in;
+} gpio_t;
+
+static inline void gpio_write(gpio_t *obj, int value) {
+    if (value)
+        *obj->reg_set = obj->mask;
+    else
+        *obj->reg_clr = obj->mask;
+}
+
+static inline int gpio_read(gpio_t *obj) {
+    return ((*obj->reg_in & obj->mask) ? 1 : 0);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/LPC2368/objects.h b/libraries/mbed/vendor/NXP/capi/LPC2368/objects.h
new file mode 100644
index 0000000000..41d717adc6
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/LPC2368/objects.h
@@ -0,0 +1,78 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_OBJECTS_H
+#define MBED_OBJECTS_H
+
+#include "cmsis.h"
+#include "PortNames.h"
+#include "PeripheralNames.h"
+#include "PinNames.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct gpio_irq_s {
+    uint32_t port;
+    uint32_t pin;
+    uint32_t ch;
+};
+
+struct port_s {
+    __IO uint32_t *reg_dir;
+    __IO uint32_t *reg_out;
+    __I  uint32_t *reg_in;
+    PortName port;
+    uint32_t mask;
+};
+
+struct pwmout_s {
+    __IO uint32_t *MR;
+    PWMName pwm;
+};
+
+struct serial_s {
+    LPC_UART_TypeDef *uart;
+    int index;
+};
+
+struct analogin_s {
+    ADCName adc;
+};
+
+struct dac_s {
+    DACName dac;
+};
+
+struct can_s {
+    LPC_CAN_TypeDef *dev;
+};
+
+struct i2c_s {
+    LPC_I2C_TypeDef *i2c;
+};
+
+struct spi_s {
+    LPC_SSP_TypeDef *spi;
+};
+
+#include "gpio_object.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/PinNames.c b/libraries/mbed/vendor/NXP/capi/PinNames.c
new file mode 100644
index 0000000000..412eda1ef2
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/PinNames.c
@@ -0,0 +1,58 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "port_api.h"
+
+PinName parse_pins(const char *str) {
+    const PinName pin_names[] = {p5, p6, p7, p8, p9, p10, p11, p12, p13, p14
+                                , p15, p16, p17, p18, p19, p20, p21, p22, p23
+                                , p24, p25, p26, p27, p28, p29, p30};
+
+    if (str[0] == 'P') {              // Pn_n
+        uint32_t port = str[1] - '0';
+        uint32_t pin  = str[3] - '0'; // Pn_n
+        uint32_t pin2 = str[4] - '0'; // Pn_nn
+        if (pin2 <= 9) {
+            pin = pin * 10 + pin2;
+        }
+        return port_pin((PortName)port, pin);
+
+    } else if (str[0] == 'p') {       // pn
+        uint32_t pin  = str[1] - '0'; // pn
+        uint32_t pin2 = str[2] - '0'; // pnn
+        if (pin2 <= 9) {
+            pin = pin * 10 + pin2;
+        }
+        if (pin < 5 || pin > 30) {
+            return NC;
+        }
+        return pin_names[pin - 5];
+    } else if (str[0] == 'L') {  // LEDn
+        switch (str[3]) {
+            case '1' : return LED1;
+            case '2' : return LED2;
+            case '3' : return LED3;
+            case '4' : return LED4;
+        }
+
+    } else if (str[0] == 'U') {  // USB?X
+        switch (str[3]) {
+            case 'T' : return USBTX;
+            case 'R' : return USBRX;
+        }
+    }
+
+    return NC;
+}
diff --git a/libraries/mbed/vendor/NXP/capi/analogin_api.c b/libraries/mbed/vendor/NXP/capi/analogin_api.c
new file mode 100644
index 0000000000..8ce01770f2
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/analogin_api.c
@@ -0,0 +1,203 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "analogin_api.h"
+
+#if DEVICE_ANALOGIN
+
+#include "cmsis.h"
+#include "pinmap.h"
+#include "error.h"
+
+#define ANALOGIN_MEDIAN_FILTER      1
+
+#define ADC_10BIT_RANGE             0x3FF
+#define ADC_12BIT_RANGE             0xFFF
+
+static inline int div_round_up(int x, int y) {
+  return (x + (y - 1)) / y;
+}
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+static const PinMap PinMap_ADC[] = {
+    {P0_23, ADC0_0, 1},
+    {P0_24, ADC0_1, 1},
+    {P0_25, ADC0_2, 1},
+    {P0_26, ADC0_3, 1},
+    {P1_30, ADC0_4, 3},
+    {P1_31, ADC0_5, 3},
+#ifdef TARGET_LPC1768
+    {P0_2,  ADC0_7, 2},
+    {P0_3,  ADC0_6, 2},
+#endif
+    {NC,    NC,     0}
+};
+
+#if defined(TARGET_LPC2368)
+#   define ADC_RANGE    ADC_10BIT_RANGE
+#elif defined(TARGET_LPC1768)
+#   define ADC_RANGE    ADC_12BIT_RANGE
+#endif
+
+#elif defined(TARGET_LPC11U24)
+static const PinMap PinMap_ADC[] = {
+    {P0_11, ADC0_0, 0x02},
+    {P0_12, ADC0_1, 0x02},
+    {P0_13, ADC0_2, 0x02},
+    {P0_14, ADC0_3, 0x02},
+    {P0_15, ADC0_4, 0x02},
+    {P0_16, ADC0_5, 0x01},
+    {P0_22, ADC0_6, 0x01},
+    {P0_23, ADC0_7, 0x01},
+    {NC   , NC    , 0   }
+};
+
+#define LPC_IOCON0_BASE (LPC_IOCON_BASE)
+#define LPC_IOCON1_BASE (LPC_IOCON_BASE + 0x60)
+
+#define ADC_RANGE    ADC_10BIT_RANGE
+#endif
+
+void analogin_init(analogin_t *obj, PinName pin) {
+    obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC);
+    if (obj->adc == (uint32_t)NC) {
+        error("ADC pin mapping failed");
+    }
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    // ensure power is turned on
+    LPC_SC->PCONP |= (1 << 12);
+
+    // set PCLK of ADC to /1
+    LPC_SC->PCLKSEL0 &= ~(0x3 << 24);
+    LPC_SC->PCLKSEL0 |= (0x1 << 24);
+    uint32_t PCLK = SystemCoreClock;
+
+    // calculate minimum clock divider
+    //  clkdiv = divider - 1
+    uint32_t MAX_ADC_CLK = 13000000;
+    uint32_t clkdiv = div_round_up(PCLK, MAX_ADC_CLK) - 1;
+
+    // Set the generic software-controlled ADC settings
+    LPC_ADC->ADCR = (0 << 0)      // SEL: 0 = no channels selected
+                  | (clkdiv << 8) // CLKDIV: PCLK max ~= 25MHz, /25 to give safe 1MHz at fastest
+                  | (0 << 16)     // BURST: 0 = software control
+                  | (0 << 17)     // CLKS: not applicable
+                  | (1 << 21)     // PDN: 1 = operational
+                  | (0 << 24)     // START: 0 = no start
+                  | (0 << 27);    // EDGE: not applicable
+
+#elif defined(TARGET_LPC11U24)
+    // Power up ADC
+    LPC_SYSCON->PDRUNCFG &= ~ (1 << 4);
+    LPC_SYSCON->SYSAHBCLKCTRL |= ((uint32_t)1 << 13);
+
+    uint32_t pin_number = (uint32_t)pin;
+    __IO uint32_t *reg = (pin_number < 32) ? (__IO uint32_t*)(LPC_IOCON0_BASE + 4 * pin_number) : (__IO uint32_t*)(LPC_IOCON1_BASE + 4 * (pin_number - 32));
+
+    // set pin to ADC mode
+    *reg &= ~(1 << 7); // set ADMODE = 0 (analog mode)
+
+    uint32_t PCLK = SystemCoreClock;
+    uint32_t MAX_ADC_CLK = 4500000;
+    uint32_t clkdiv = div_round_up(PCLK, MAX_ADC_CLK) - 1;
+
+    LPC_ADC->CR = (0 << 0)      // no channels selected
+                | (clkdiv << 8) // max of 4.5MHz
+                | (0 << 16)     // BURST = 0, software controlled
+                | ( 0 << 17 );  // CLKS = 0, not applicable
+#endif
+    pinmap_pinout(pin, PinMap_ADC);
+}
+
+static inline uint32_t adc_read(analogin_t *obj) {
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    // Select the appropriate channel and start conversion
+    LPC_ADC->ADCR &= ~0xFF;
+    LPC_ADC->ADCR |= 1 << (int)obj->adc;
+    LPC_ADC->ADCR |= 1 << 24;
+
+    // Repeatedly get the sample data until DONE bit
+    unsigned int data;
+    do {
+        data = LPC_ADC->ADGDR;
+    } while ((data & ((unsigned int)1 << 31)) == 0);
+
+    // Stop conversion
+    LPC_ADC->ADCR &= ~(1 << 24);
+
+#elif defined(TARGET_LPC11U24)
+    // Select the appropriate channel and start conversion
+    LPC_ADC->CR &= ~0xFF;
+    LPC_ADC->CR |= 1 << (int)obj->adc;
+    LPC_ADC->CR |= 1 << 24;
+
+    // Repeatedly get the sample data until DONE bit
+    unsigned int data;
+    do {
+        data = LPC_ADC->GDR;
+    } while ((data & ((unsigned int)1 << 31)) == 0);
+
+    // Stop conversion
+    LPC_ADC->CR &= ~(1 << 24);
+#endif
+
+#if defined(TARGET_LPC1768)
+    return (data >> 4) & ADC_RANGE; // 12 bit
+#elif defined(TARGET_LPC2368) || defined (TARGET_LPC11U24)
+    return (data >> 6) & ADC_RANGE; // 10 bit
+#endif
+}
+
+static inline void order(uint32_t *a, uint32_t *b) {
+    if (*a > *b) {
+        uint32_t t = *a;
+        *a = *b;
+        *b = t;
+    }
+}
+
+static inline uint32_t adc_read_u32(analogin_t *obj) {
+    uint32_t value;
+#if ANALOGIN_MEDIAN_FILTER
+    uint32_t v1 = adc_read(obj);
+    uint32_t v2 = adc_read(obj);
+    uint32_t v3 = adc_read(obj);
+    order(&v1, &v2);
+    order(&v2, &v3);
+    order(&v1, &v2);
+    value = v2;
+#else
+    value = adc_read(adc);
+#endif
+    return value;
+}
+
+uint16_t analogin_read_u16(analogin_t *obj) {
+    uint32_t value = adc_read_u32(obj);
+
+#if defined(TARGET_LPC1768)
+    return (value << 4) | ((value >> 8) & 0x000F); // 12 bit
+#elif defined(TARGET_LPC2368) || defined(TARGET_LPC11U24)
+    return (value << 6) | ((value >> 4) & 0x003F); // 10 bit
+#endif
+}
+
+float analogin_read(analogin_t *obj) {
+    uint32_t value = adc_read_u32(obj);
+    return (float)value * (1.0f / (float)ADC_RANGE);
+}
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/analogout_api.c b/libraries/mbed/vendor/NXP/capi/analogout_api.c
new file mode 100644
index 0000000000..22cfd50c1e
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/analogout_api.c
@@ -0,0 +1,82 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "analogout_api.h"
+
+#if DEVICE_ANALOGOUT
+
+#include "cmsis.h"
+#include "pinmap.h"
+#include "error.h"
+
+static const PinMap PinMap_DAC[] = {
+    {P0_26, DAC_0, 2},
+    {NC   , NC   , 0}
+};
+
+void analogout_init(dac_t *obj, PinName pin) {
+    obj->dac = (DACName)pinmap_peripheral(pin, PinMap_DAC);
+    if (obj->dac == (uint32_t)NC) {
+        error("DAC pin mapping failed");
+    }
+
+    // power is on by default, set DAC clk divider is /4
+    LPC_SC->PCLKSEL0 &= ~(0x3 << 22);
+
+    // map out (must be done before accessing registers)
+    pinmap_pinout(pin, PinMap_DAC);
+
+    analogout_write_u16(obj, 0);
+}
+
+void analogout_free(dac_t *obj) {}
+
+static inline void dac_write(int value) {
+    value &= 0x3FF; // 10-bit
+
+    // Set the DAC output
+    LPC_DAC->DACR = (0 << 16)       // bias = 0
+                  | (value << 6);
+}
+
+static inline int dac_read() {
+    return (LPC_DAC->DACR >> 6) & 0x3FF;
+}
+
+void analogout_write(dac_t *obj, float value) {
+    if (value < 0.0) {
+        dac_write(0);
+    } else if (value > 1.0) {
+        dac_write(0x3FF);
+    } else {
+        dac_write(value * (float)0x3FF);
+    }
+}
+
+void analogout_write_u16(dac_t *obj, uint16_t value) {
+    dac_write(value >> 6); // 10-bit
+}
+
+float analogout_read(dac_t *obj) {
+    uint32_t value = dac_read();
+    return (float)value * (1.0f / (float)0x3FF);
+}
+
+uint16_t analogout_read_u16(dac_t *obj) {
+    uint32_t value = dac_read(); // 10-bit
+    return (value << 6) | ((value >> 4) & 0x003F);
+}
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/board.c b/libraries/mbed/vendor/NXP/capi/board.c
new file mode 100644
index 0000000000..a5621ba75c
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/board.c
@@ -0,0 +1,40 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "gpio_api.h"
+#include "wait_api.h"
+#include "toolchain.h"
+
+WEAK void mbed_die(void);
+WEAK void mbed_die(void) {
+    gpio_t led_1; gpio_init(&led_1, LED1, PIN_OUTPUT);
+    gpio_t led_2; gpio_init(&led_2, LED2, PIN_OUTPUT);
+    gpio_t led_3; gpio_init(&led_3, LED3, PIN_OUTPUT);
+    gpio_t led_4; gpio_init(&led_4, LED4, PIN_OUTPUT);
+
+    while (1) {
+        gpio_write(&led_1, 1);
+        gpio_write(&led_2, 0);
+        gpio_write(&led_3, 0);
+        gpio_write(&led_4, 1);
+        wait_ms(150);
+
+        gpio_write(&led_1, 0);
+        gpio_write(&led_2, 1);
+        gpio_write(&led_3, 1);
+        gpio_write(&led_4, 0);
+        wait_ms(150);
+    }
+}
diff --git a/libraries/mbed/vendor/NXP/capi/can_api.c b/libraries/mbed/vendor/NXP/capi/can_api.c
new file mode 100644
index 0000000000..7b813cb079
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/can_api.c
@@ -0,0 +1,305 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "can_api.h"
+
+#if DEVICE_CAN
+
+#include "cmsis.h"
+
+#include "pinmap.h"
+#include "error.h"
+
+#include 
+#include 
+
+/* Acceptance filter mode in AFMR register */
+#define ACCF_OFF                0x01
+#define ACCF_BYPASS             0x02
+#define ACCF_ON                 0x00
+#define ACCF_FULLCAN            0x04
+
+/* There are several bit timing calculators on the internet.
+http://www.port.de/engl/canprod/sv_req_form.html
+http://www.kvaser.com/can/index.htm
+*/
+
+static const PinMap PinMap_CAN_RD[] = {
+    {P0_0 , CAN_1, 1},
+    {P0_4 , CAN_2, 2},
+    {P0_21, CAN_1, 3},
+    {P2_7 , CAN_2, 1},
+    {NC   , NC   , 0}
+};
+
+static const PinMap PinMap_CAN_TD[] = {
+    {P0_1 , CAN_1, 1},
+    {P0_5 , CAN_2, 2},
+    {P0_22, CAN_1, 3},
+    {P2_8 , CAN_2, 1},
+    {NC   , NC   , 0}
+};
+
+// Type definition to hold a CAN message
+struct CANMsg {
+    unsigned int  reserved1 : 16;
+    unsigned int  dlc       :  4; // Bits 16..19: DLC - Data Length Counter
+    unsigned int  reserved0 : 10;
+    unsigned int  rtr       :  1; // Bit 30: Set if this is a RTR message
+    unsigned int  type      :  1; // Bit 31: Set if this is a 29-bit ID message
+    unsigned int  id;             // CAN Message ID (11-bit or 29-bit)
+    unsigned char data[8];        // CAN Message Data Bytes 0-7
+};
+typedef struct CANMsg CANMsg;
+
+static uint32_t can_disable(can_t *obj) {
+    uint32_t sm = obj->dev->MOD;
+    obj->dev->MOD |= 1;
+    return sm;
+}
+
+static inline void can_enable(can_t *obj) {
+    if (obj->dev->MOD & 1) {
+        obj->dev->MOD &= ~(1);
+    }
+}
+
+static int can_pclk(can_t *obj) {
+    int value = 0;
+    switch ((int)obj->dev) {
+        case CAN_1: value = (LPC_SC->PCLKSEL0 & (0x3 << 26)) >> 26; break;
+        case CAN_2: value = (LPC_SC->PCLKSEL0 & (0x3 << 28)) >> 28; break;
+    }
+
+    switch (value) {
+        case 1: return 1;
+        case 2: return 2;
+        case 3: return 6;
+        default: return 4;
+    }
+}
+
+// This table has the sampling points as close to 75% as possible. The first
+// value is TSEG1, the second TSEG2.
+static const int timing_pts[23][2] = {
+    {0x0, 0x0},      // 2,  50%
+    {0x1, 0x0},      // 3,  67%
+    {0x2, 0x0},      // 4,  75%
+    {0x3, 0x0},      // 5,  80%
+    {0x3, 0x1},      // 6,  67%
+    {0x4, 0x1},      // 7,  71%
+    {0x5, 0x1},      // 8,  75%
+    {0x6, 0x1},      // 9,  78%
+    {0x6, 0x2},      // 10, 70%
+    {0x7, 0x2},      // 11, 73%
+    {0x8, 0x2},      // 12, 75%
+    {0x9, 0x2},      // 13, 77%
+    {0x9, 0x3},      // 14, 71%
+    {0xA, 0x3},      // 15, 73%
+    {0xB, 0x3},      // 16, 75%
+    {0xC, 0x3},      // 17, 76%
+    {0xD, 0x3},      // 18, 78%
+    {0xD, 0x4},      // 19, 74%
+    {0xE, 0x4},      // 20, 75%
+    {0xF, 0x4},      // 21, 76%
+    {0xF, 0x5},      // 22, 73%
+    {0xF, 0x6},      // 23, 70%
+    {0xF, 0x7},      // 24, 67%
+};
+
+static unsigned int can_speed(unsigned int sclk, unsigned int pclk, unsigned int cclk, unsigned char psjw) {
+    uint32_t    btr;
+    uint16_t    brp = 0;
+    uint32_t    calcbit;
+    uint32_t    bitwidth;
+    int         hit = 0;
+    int         bits;
+
+    bitwidth = sclk / (pclk * cclk);
+
+    brp = bitwidth / 0x18;
+    while ((!hit) && (brp < bitwidth / 4)) {
+        brp++;
+        for (bits = 22; bits > 0; bits--) {
+            calcbit = (bits + 3) * (brp + 1);
+            if (calcbit == bitwidth) {
+                hit = 1;
+                break;
+            }
+        }
+    }
+
+    if (hit) {
+        btr = ((timing_pts[bits][1] << 20) & 0x00700000)
+            | ((timing_pts[bits][0] << 16) & 0x000F0000)
+            | ((psjw                << 14) & 0x0000C000)
+            | ((brp                 <<  0) & 0x000003FF);
+    } else {
+        btr = 0xFFFFFFFF;
+    }
+
+    return btr;
+
+}
+
+void can_init(can_t *obj, PinName rd, PinName td) {
+    CANName can_rd = (CANName)pinmap_peripheral(rd, PinMap_CAN_RD);
+    CANName can_td = (CANName)pinmap_peripheral(td, PinMap_CAN_TD);
+    obj->dev = (LPC_CAN_TypeDef *)pinmap_merge(can_rd, can_td);
+    if ((int)obj->dev == NC) {
+        error("CAN pin mapping failed");
+    }
+
+    switch ((int)obj->dev) {
+        case CAN_1: LPC_SC->PCONP |= 1 << 13; break;
+        case CAN_2: LPC_SC->PCONP |= 1 << 14; break;
+    }
+
+    pinmap_pinout(rd, PinMap_CAN_RD);
+    pinmap_pinout(td, PinMap_CAN_TD);
+
+    can_reset(obj);
+    obj->dev->IER = 0;             // Disable Interrupts
+    can_frequency(obj, 100000);
+
+    LPC_CANAF->AFMR = ACCF_BYPASS; // Bypass Filter
+}
+
+void can_free(can_t *obj) {
+    switch ((int)obj->dev) {
+        case CAN_1: LPC_SC->PCONP &= ~(1 << 13); break;
+        case CAN_2: LPC_SC->PCONP &= ~(1 << 14); break;
+    }
+}
+
+int can_frequency(can_t *obj, int f) {
+    int pclk = can_pclk(obj);
+    int btr = can_speed(SystemCoreClock, pclk, (unsigned int)f, 1);
+
+    if (btr > 0) {
+        uint32_t modmask = can_disable(obj);
+        obj->dev->BTR = btr;
+        obj->dev->MOD = modmask;
+        return 1;
+    } else {
+        return 0;
+    }
+}
+
+int can_write(can_t *obj, CAN_Message msg, int cc) {
+    unsigned int CANStatus;
+    CANMsg m;
+
+    can_enable(obj);
+
+    m.id   = msg.id ;
+    m.dlc  = msg.len & 0xF;
+    m.rtr  = msg.type;
+    m.type = msg.format;
+    memcpy(m.data, msg.data, msg.len);
+    const unsigned int *buf = (const unsigned int *)&m;
+
+    CANStatus = obj->dev->SR;
+    if (CANStatus & 0x00000004) {
+        obj->dev->TFI1 = buf[0] & 0xC00F0000;
+        obj->dev->TID1 = buf[1];
+        obj->dev->TDA1 = buf[2];
+        obj->dev->TDB1 = buf[3];
+        if(cc) {
+            obj->dev->CMR = 0x30;
+        } else {
+            obj->dev->CMR = 0x21;
+        }
+        return 1;
+
+    } else if (CANStatus & 0x00000400) {
+        obj->dev->TFI2 = buf[0] & 0xC00F0000;
+        obj->dev->TID2 = buf[1];
+        obj->dev->TDA2 = buf[2];
+        obj->dev->TDB2 = buf[3];
+        if (cc) {
+            obj->dev->CMR = 0x50;
+        } else {
+            obj->dev->CMR = 0x41;
+        }
+        return 1;
+
+    } else if (CANStatus & 0x00040000) {
+        obj->dev->TFI3 = buf[0] & 0xC00F0000;
+        obj->dev->TID3 = buf[1];
+        obj->dev->TDA3 = buf[2];
+        obj->dev->TDB3 = buf[3];
+        if (cc) {
+            obj->dev->CMR = 0x90;
+        } else {
+            obj->dev->CMR = 0x81;
+        }
+        return 1;
+    }
+
+    return 0;
+}
+
+int can_read(can_t *obj, CAN_Message *msg) {
+    CANMsg x;
+    unsigned int *i = (unsigned int *)&x;
+
+    can_enable(obj);
+
+    if (obj->dev->GSR & 0x1) {
+        *i++ = obj->dev->RFS;  // Frame
+        *i++ = obj->dev->RID;  // ID
+        *i++ = obj->dev->RDA;  // Data A
+        *i++ = obj->dev->RDB;  // Data B
+        obj->dev->CMR = 0x04;  // release receive buffer
+
+        msg->id     = x.id;
+        msg->len    = x.dlc;
+        msg->format = (x.type)? CANExtended : CANStandard;
+        msg->type   = (x.rtr)?  CANRemote:    CANData;
+        memcpy(msg->data,x.data,x.dlc);
+        return 1;
+    }
+
+    return 0;
+}
+
+void can_reset(can_t *obj) {
+    can_disable(obj);
+    obj->dev->GSR = 0; // Reset error counter when CAN1MOD is in reset
+}
+
+unsigned char can_rderror(can_t *obj) {
+    return (obj->dev->GSR >> 16) & 0xFF;
+}
+
+unsigned char can_tderror(can_t *obj) {
+    return (obj->dev->GSR >> 24) & 0xFF;
+}
+
+void can_monitor(can_t *obj, int silent) {
+    uint32_t mod_mask = can_disable(obj);
+    if (silent) {
+        obj->dev->MOD |= (1 << 1);
+    } else {
+        obj->dev->MOD &= ~(1 << 1);
+    }
+    if (!(mod_mask & 1)) {
+        can_enable(obj);
+    }
+}
+
+#endif
+
diff --git a/libraries/mbed/vendor/NXP/capi/ethernet_api.c b/libraries/mbed/vendor/NXP/capi/ethernet_api.c
new file mode 100644
index 0000000000..0b23d626cd
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/ethernet_api.c
@@ -0,0 +1,895 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "ethernet_api.h"
+
+#if DEVICE_ETHERNET
+
+#include 
+#include "cmsis.h"
+#include "mbed_interface.h"
+#include "toolchain.h"
+
+#define NEW_LOGIC       0
+#define NEW_ETH_BUFFER  0
+
+#if NEW_ETH_BUFFER
+
+#define NUM_RX_FRAG         4           // Number of Rx Fragments (== packets)
+#define NUM_TX_FRAG         3           // Number of Tx Fragments (== packets)
+
+#define ETH_MAX_FLEN        1536         // Maximum Ethernet Frame Size
+#define ETH_FRAG_SIZE       ETH_MAX_FLEN // Packet Fragment size (same as packet length)
+
+#else
+
+// Memfree calculation:
+// (16 * 1024) - ((2 * 4 * NUM_RX) + (2 * 4 * NUM_RX) + (0x300 * NUM_RX) +
+//                (2 * 4 * NUM_TX) + (1 * 4 * NUM_TX) + (0x300 * NUM_TX)) = 8556
+/* EMAC Memory Buffer configuration for 16K Ethernet RAM. */
+#define NUM_RX_FRAG         4           /* Num.of RX Fragments 4*1536= 6.0kB */
+#define NUM_TX_FRAG         3           /* Num.of TX Fragments 3*1536= 4.6kB */
+//#define ETH_FRAG_SIZE       1536        /* Packet Fragment size 1536 Bytes   */
+
+//#define ETH_MAX_FLEN        1536        /* Max. Ethernet Frame Size          */
+#define ETH_FRAG_SIZE       0x300       /* Packet Fragment size 1536/2 Bytes   */
+#define ETH_MAX_FLEN        0x300       /* Max. Ethernet Frame Size          */
+
+const int ethernet_MTU_SIZE  = 0x300;
+
+#endif
+
+#define ETHERNET_ADDR_SIZE 6
+
+PACKED struct RX_DESC_TypeDef {                        /* RX Descriptor struct              */
+   unsigned int Packet;
+   unsigned int Ctrl;
+};
+typedef struct RX_DESC_TypeDef RX_DESC_TypeDef;
+
+PACKED struct RX_STAT_TypeDef {                        /* RX Status struct                  */
+   unsigned int Info;
+   unsigned int HashCRC;
+};
+typedef struct RX_STAT_TypeDef RX_STAT_TypeDef;
+
+PACKED struct TX_DESC_TypeDef {                        /* TX Descriptor struct              */
+   unsigned int Packet;
+   unsigned int Ctrl;
+};
+typedef struct TX_DESC_TypeDef TX_DESC_TypeDef;
+
+PACKED struct TX_STAT_TypeDef {                        /* TX Status struct                  */
+   unsigned int Info;
+};
+typedef struct TX_STAT_TypeDef TX_STAT_TypeDef;
+
+/* MAC Configuration Register 1 */
+#define MAC1_REC_EN         0x00000001  /* Receive Enable                    */
+#define MAC1_PASS_ALL       0x00000002  /* Pass All Receive Frames           */
+#define MAC1_RX_FLOWC       0x00000004  /* RX Flow Control                   */
+#define MAC1_TX_FLOWC       0x00000008  /* TX Flow Control                   */
+#define MAC1_LOOPB          0x00000010  /* Loop Back Mode                    */
+#define MAC1_RES_TX         0x00000100  /* Reset TX Logic                    */
+#define MAC1_RES_MCS_TX     0x00000200  /* Reset MAC TX Control Sublayer     */
+#define MAC1_RES_RX         0x00000400  /* Reset RX Logic                    */
+#define MAC1_RES_MCS_RX     0x00000800  /* Reset MAC RX Control Sublayer     */
+#define MAC1_SIM_RES        0x00004000  /* Simulation Reset                  */
+#define MAC1_SOFT_RES       0x00008000  /* Soft Reset MAC                    */
+
+/* MAC Configuration Register 2 */
+#define MAC2_FULL_DUP       0x00000001  /* Full Duplex Mode                  */
+#define MAC2_FRM_LEN_CHK    0x00000002  /* Frame Length Checking             */
+#define MAC2_HUGE_FRM_EN    0x00000004  /* Huge Frame Enable                 */
+#define MAC2_DLY_CRC        0x00000008  /* Delayed CRC Mode                  */
+#define MAC2_CRC_EN         0x00000010  /* Append CRC to every Frame         */
+#define MAC2_PAD_EN         0x00000020  /* Pad all Short Frames              */
+#define MAC2_VLAN_PAD_EN    0x00000040  /* VLAN Pad Enable                   */
+#define MAC2_ADET_PAD_EN    0x00000080  /* Auto Detect Pad Enable            */
+#define MAC2_PPREAM_ENF     0x00000100  /* Pure Preamble Enforcement         */
+#define MAC2_LPREAM_ENF     0x00000200  /* Long Preamble Enforcement         */
+#define MAC2_NO_BACKOFF     0x00001000  /* No Backoff Algorithm              */
+#define MAC2_BACK_PRESSURE  0x00002000  /* Backoff Presurre / No Backoff     */
+#define MAC2_EXCESS_DEF     0x00004000  /* Excess Defer                      */
+
+/* Back-to-Back Inter-Packet-Gap Register */
+#define IPGT_FULL_DUP       0x00000015  /* Recommended value for Full Duplex */
+#define IPGT_HALF_DUP       0x00000012  /* Recommended value for Half Duplex */
+
+/* Non Back-to-Back Inter-Packet-Gap Register */
+#define IPGR_DEF            0x00000012  /* Recommended value                 */
+
+/* Collision Window/Retry Register */
+#define CLRT_DEF            0x0000370F  /* Default value                     */
+
+/* PHY Support Register */
+#define SUPP_SPEED          0x00000100  /* Reduced MII Logic Current Speed   */
+//#define SUPP_RES_RMII       0x00000800  /* Reset Reduced MII Logic           */
+#define SUPP_RES_RMII       0x00000000  /* Reset Reduced MII Logic           */
+
+/* Test Register */
+#define TEST_SHCUT_PQUANTA  0x00000001  /* Shortcut Pause Quanta             */
+#define TEST_TST_PAUSE      0x00000002  /* Test Pause                        */
+#define TEST_TST_BACKP      0x00000004  /* Test Back Pressure                */
+
+/* MII Management Configuration Register */
+#define MCFG_SCAN_INC       0x00000001  /* Scan Increment PHY Address        */
+#define MCFG_SUPP_PREAM     0x00000002  /* Suppress Preamble                 */
+#define MCFG_CLK_SEL        0x0000001C  /* Clock Select Mask                 */
+#define MCFG_RES_MII        0x00008000  /* Reset MII Management Hardware     */
+
+/* MII Management Command Register */
+#define MCMD_READ           0x00000001  /* MII Read                          */
+#define MCMD_SCAN           0x00000002  /* MII Scan continuously             */
+
+#define MII_WR_TOUT         0x00050000  /* MII Write timeout count           */
+#define MII_RD_TOUT         0x00050000  /* MII Read timeout count            */
+
+/* MII Management Address Register */
+#define MADR_REG_ADR        0x0000001F  /* MII Register Address Mask         */
+#define MADR_PHY_ADR        0x00001F00  /* PHY Address Mask                  */
+
+/* MII Management Indicators Register */
+#define MIND_BUSY           0x00000001  /* MII is Busy                       */
+#define MIND_SCAN           0x00000002  /* MII Scanning in Progress          */
+#define MIND_NOT_VAL        0x00000004  /* MII Read Data not valid           */
+#define MIND_MII_LINK_FAIL  0x00000008  /* MII Link Failed                   */
+
+/* Command Register */
+#define CR_RX_EN            0x00000001  /* Enable Receive                    */
+#define CR_TX_EN            0x00000002  /* Enable Transmit                   */
+#define CR_REG_RES          0x00000008  /* Reset Host Registers              */
+#define CR_TX_RES           0x00000010  /* Reset Transmit Datapath           */
+#define CR_RX_RES           0x00000020  /* Reset Receive Datapath            */
+#define CR_PASS_RUNT_FRM    0x00000040  /* Pass Runt Frames                  */
+#define CR_PASS_RX_FILT     0x00000080  /* Pass RX Filter                    */
+#define CR_TX_FLOW_CTRL     0x00000100  /* TX Flow Control                   */
+#define CR_RMII             0x00000200  /* Reduced MII Interface             */
+#define CR_FULL_DUP         0x00000400  /* Full Duplex                       */
+
+/* Status Register */
+#define SR_RX_EN            0x00000001  /* Enable Receive                    */
+#define SR_TX_EN            0x00000002  /* Enable Transmit                   */
+
+/* Transmit Status Vector 0 Register */
+#define TSV0_CRC_ERR        0x00000001  /* CRC error                         */
+#define TSV0_LEN_CHKERR     0x00000002  /* Length Check Error                */
+#define TSV0_LEN_OUTRNG     0x00000004  /* Length Out of Range               */
+#define TSV0_DONE           0x00000008  /* Tramsmission Completed            */
+#define TSV0_MCAST          0x00000010  /* Multicast Destination             */
+#define TSV0_BCAST          0x00000020  /* Broadcast Destination             */
+#define TSV0_PKT_DEFER      0x00000040  /* Packet Deferred                   */
+#define TSV0_EXC_DEFER      0x00000080  /* Excessive Packet Deferral         */
+#define TSV0_EXC_COLL       0x00000100  /* Excessive Collision               */
+#define TSV0_LATE_COLL      0x00000200  /* Late Collision Occured            */
+#define TSV0_GIANT          0x00000400  /* Giant Frame                       */
+#define TSV0_UNDERRUN       0x00000800  /* Buffer Underrun                   */
+#define TSV0_BYTES          0x0FFFF000  /* Total Bytes Transferred           */
+#define TSV0_CTRL_FRAME     0x10000000  /* Control Frame                     */
+#define TSV0_PAUSE          0x20000000  /* Pause Frame                       */
+#define TSV0_BACK_PRESS     0x40000000  /* Backpressure Method Applied       */
+#define TSV0_VLAN           0x80000000  /* VLAN Frame                        */
+
+/* Transmit Status Vector 1 Register */
+#define TSV1_BYTE_CNT       0x0000FFFF  /* Transmit Byte Count               */
+#define TSV1_COLL_CNT       0x000F0000  /* Transmit Collision Count          */
+
+/* Receive Status Vector Register */
+#define RSV_BYTE_CNT        0x0000FFFF  /* Receive Byte Count                */
+#define RSV_PKT_IGNORED     0x00010000  /* Packet Previously Ignored         */
+#define RSV_RXDV_SEEN       0x00020000  /* RXDV Event Previously Seen        */
+#define RSV_CARR_SEEN       0x00040000  /* Carrier Event Previously Seen     */
+#define RSV_REC_CODEV       0x00080000  /* Receive Code Violation            */
+#define RSV_CRC_ERR         0x00100000  /* CRC Error                         */
+#define RSV_LEN_CHKERR      0x00200000  /* Length Check Error                */
+#define RSV_LEN_OUTRNG      0x00400000  /* Length Out of Range               */
+#define RSV_REC_OK          0x00800000  /* Frame Received OK                 */
+#define RSV_MCAST           0x01000000  /* Multicast Frame                   */
+#define RSV_BCAST           0x02000000  /* Broadcast Frame                   */
+#define RSV_DRIB_NIBB       0x04000000  /* Dribble Nibble                    */
+#define RSV_CTRL_FRAME      0x08000000  /* Control Frame                     */
+#define RSV_PAUSE           0x10000000  /* Pause Frame                       */
+#define RSV_UNSUPP_OPC      0x20000000  /* Unsupported Opcode                */
+#define RSV_VLAN            0x40000000  /* VLAN Frame                        */
+
+/* Flow Control Counter Register */
+#define FCC_MIRR_CNT        0x0000FFFF  /* Mirror Counter                    */
+#define FCC_PAUSE_TIM       0xFFFF0000  /* Pause Timer                       */
+
+/* Flow Control Status Register */
+#define FCS_MIRR_CNT        0x0000FFFF  /* Mirror Counter Current            */
+
+/* Receive Filter Control Register */
+#define RFC_UCAST_EN        0x00000001  /* Accept Unicast Frames Enable      */
+#define RFC_BCAST_EN        0x00000002  /* Accept Broadcast Frames Enable    */
+#define RFC_MCAST_EN        0x00000004  /* Accept Multicast Frames Enable    */
+#define RFC_UCAST_HASH_EN   0x00000008  /* Accept Unicast Hash Filter Frames */
+#define RFC_MCAST_HASH_EN   0x00000010  /* Accept Multicast Hash Filter Fram.*/
+#define RFC_PERFECT_EN      0x00000020  /* Accept Perfect Match Enable       */
+#define RFC_MAGP_WOL_EN     0x00001000  /* Magic Packet Filter WoL Enable    */
+#define RFC_PFILT_WOL_EN    0x00002000  /* Perfect Filter WoL Enable         */
+
+/* Receive Filter WoL Status/Clear Registers */
+#define WOL_UCAST           0x00000001  /* Unicast Frame caused WoL          */
+#define WOL_BCAST           0x00000002  /* Broadcast Frame caused WoL        */
+#define WOL_MCAST           0x00000004  /* Multicast Frame caused WoL        */
+#define WOL_UCAST_HASH      0x00000008  /* Unicast Hash Filter Frame WoL     */
+#define WOL_MCAST_HASH      0x00000010  /* Multicast Hash Filter Frame WoL   */
+#define WOL_PERFECT         0x00000020  /* Perfect Filter WoL                */
+#define WOL_RX_FILTER       0x00000080  /* RX Filter caused WoL              */
+#define WOL_MAG_PACKET      0x00000100  /* Magic Packet Filter caused WoL    */
+
+/* Interrupt Status/Enable/Clear/Set Registers */
+#define INT_RX_OVERRUN      0x00000001  /* Overrun Error in RX Queue         */
+#define INT_RX_ERR          0x00000002  /* Receive Error                     */
+#define INT_RX_FIN          0x00000004  /* RX Finished Process Descriptors   */
+#define INT_RX_DONE         0x00000008  /* Receive Done                      */
+#define INT_TX_UNDERRUN     0x00000010  /* Transmit Underrun                 */
+#define INT_TX_ERR          0x00000020  /* Transmit Error                    */
+#define INT_TX_FIN          0x00000040  /* TX Finished Process Descriptors   */
+#define INT_TX_DONE         0x00000080  /* Transmit Done                     */
+#define INT_SOFT_INT        0x00001000  /* Software Triggered Interrupt      */
+#define INT_WAKEUP          0x00002000  /* Wakeup Event Interrupt            */
+
+/* Power Down Register */
+#define PD_POWER_DOWN       0x80000000  /* Power Down MAC                    */
+
+/* RX Descriptor Control Word */
+#define RCTRL_SIZE          0x000007FF  /* Buffer size mask                  */
+#define RCTRL_INT           0x80000000  /* Generate RxDone Interrupt         */
+
+/* RX Status Hash CRC Word */
+#define RHASH_SA            0x000001FF  /* Hash CRC for Source Address       */
+#define RHASH_DA            0x001FF000  /* Hash CRC for Destination Address  */
+
+/* RX Status Information Word */
+#define RINFO_SIZE          0x000007FF  /* Data size in bytes                */
+#define RINFO_CTRL_FRAME    0x00040000  /* Control Frame                     */
+#define RINFO_VLAN          0x00080000  /* VLAN Frame                        */
+#define RINFO_FAIL_FILT     0x00100000  /* RX Filter Failed                  */
+#define RINFO_MCAST         0x00200000  /* Multicast Frame                   */
+#define RINFO_BCAST         0x00400000  /* Broadcast Frame                   */
+#define RINFO_CRC_ERR       0x00800000  /* CRC Error in Frame                */
+#define RINFO_SYM_ERR       0x01000000  /* Symbol Error from PHY             */
+#define RINFO_LEN_ERR       0x02000000  /* Length Error                      */
+#define RINFO_RANGE_ERR     0x04000000  /* Range Error (exceeded max. size)  */
+#define RINFO_ALIGN_ERR     0x08000000  /* Alignment Error                   */
+#define RINFO_OVERRUN       0x10000000  /* Receive overrun                   */
+#define RINFO_NO_DESCR      0x20000000  /* No new Descriptor available       */
+#define RINFO_LAST_FLAG     0x40000000  /* Last Fragment in Frame            */
+#define RINFO_ERR           0x80000000  /* Error Occured (OR of all errors)  */
+
+//#define RINFO_ERR_MASK     (RINFO_FAIL_FILT | RINFO_CRC_ERR   | RINFO_SYM_ERR | RINFO_LEN_ERR   | RINFO_ALIGN_ERR | RINFO_OVERRUN)
+#define RINFO_ERR_MASK     (RINFO_FAIL_FILT | RINFO_SYM_ERR | \
+                            RINFO_LEN_ERR   | RINFO_ALIGN_ERR | RINFO_OVERRUN)
+
+
+/* TX Descriptor Control Word */
+#define TCTRL_SIZE          0x000007FF  /* Size of data buffer in bytes      */
+#define TCTRL_OVERRIDE      0x04000000  /* Override Default MAC Registers    */
+#define TCTRL_HUGE          0x08000000  /* Enable Huge Frame                 */
+#define TCTRL_PAD           0x10000000  /* Pad short Frames to 64 bytes      */
+#define TCTRL_CRC           0x20000000  /* Append a hardware CRC to Frame    */
+#define TCTRL_LAST          0x40000000  /* Last Descriptor for TX Frame      */
+#define TCTRL_INT           0x80000000  /* Generate TxDone Interrupt         */
+
+/* TX Status Information Word */
+#define TINFO_COL_CNT       0x01E00000  /* Collision Count                   */
+#define TINFO_DEFER         0x02000000  /* Packet Deferred (not an error)    */
+#define TINFO_EXCESS_DEF    0x04000000  /* Excessive Deferral                */
+#define TINFO_EXCESS_COL    0x08000000  /* Excessive Collision               */
+#define TINFO_LATE_COL      0x10000000  /* Late Collision Occured            */
+#define TINFO_UNDERRUN      0x20000000  /* Transmit Underrun                 */
+#define TINFO_NO_DESCR      0x40000000  /* No new Descriptor available       */
+#define TINFO_ERR           0x80000000  /* Error Occured (OR of all errors)  */
+
+/* ENET Device Revision ID */
+#define OLD_EMAC_MODULE_ID  0x39022000  /* Rev. ID for first rev '-'         */
+
+/* DP83848C PHY Registers */
+#define PHY_REG_BMCR        0x00        /* Basic Mode Control Register       */
+#define PHY_REG_BMSR        0x01        /* Basic Mode Status Register        */
+#define PHY_REG_IDR1        0x02        /* PHY Identifier 1                  */
+#define PHY_REG_IDR2        0x03        /* PHY Identifier 2                  */
+#define PHY_REG_ANAR        0x04        /* Auto-Negotiation Advertisement    */
+#define PHY_REG_ANLPAR      0x05        /* Auto-Neg. Link Partner Abitily    */
+#define PHY_REG_ANER        0x06        /* Auto-Neg. Expansion Register      */
+#define PHY_REG_ANNPTR      0x07        /* Auto-Neg. Next Page TX            */
+
+/* PHY Extended Registers */
+#define PHY_REG_STS         0x10        /* Status Register                   */
+#define PHY_REG_MICR        0x11        /* MII Interrupt Control Register    */
+#define PHY_REG_MISR        0x12        /* MII Interrupt Status Register     */
+#define PHY_REG_FCSCR       0x14        /* False Carrier Sense Counter       */
+#define PHY_REG_RECR        0x15        /* Receive Error Counter             */
+#define PHY_REG_PCSR        0x16        /* PCS Sublayer Config. and Status   */
+#define PHY_REG_RBR         0x17        /* RMII and Bypass Register          */
+#define PHY_REG_LEDCR       0x18        /* LED Direct Control Register       */
+#define PHY_REG_PHYCR       0x19        /* PHY Control Register              */
+#define PHY_REG_10BTSCR     0x1A        /* 10Base-T Status/Control Register  */
+#define PHY_REG_CDCTRL1     0x1B        /* CD Test Control and BIST Extens.  */
+#define PHY_REG_EDCR        0x1D        /* Energy Detect Control Register    */
+
+#define PHY_FULLD_100M      0x2100      /* Full Duplex 100Mbit               */
+#define PHY_HALFD_100M      0x2000      /* Half Duplex 100Mbit               */
+#define PHY_FULLD_10M       0x0100      /* Full Duplex 10Mbit                */
+#define PHY_HALFD_10M       0x0000      /* Half Duplex 10MBit                */
+#define PHY_AUTO_NEG        0x3000      /* Select Auto Negotiation           */
+
+#define DP83848C_DEF_ADR    0x0100      /* Default PHY device address        */
+#define DP83848C_ID         0x20005C90  /* PHY Identifier                    */
+
+#define PHY_STS_LINK        0x0001      /* PHY Status Link Mask              */
+#define PHY_STS_SPEED       0x0002      /* PHY Status Speed Mask             */
+#define PHY_STS_DUPLEX      0x0004      /* PHY Status Duplex Mask            */
+
+#define PHY_BMCR_RESET      0x8000      /* PHY Reset                         */
+
+static int phy_read(unsigned int PhyReg);
+static int phy_write(unsigned int PhyReg, unsigned short Data);
+
+static void txdscr_init(void);
+static void rxdscr_init(void);
+
+#if defined (__ICCARM__)
+#   define AHBSRAM1
+#else
+#   define AHBSRAM1     __attribute__((section("AHBSRAM1"),aligned))
+#endif
+
+AHBSRAM1 volatile uint8_t rxbuf[NUM_RX_FRAG][ETH_FRAG_SIZE];
+AHBSRAM1 volatile uint8_t txbuf[NUM_TX_FRAG][ETH_FRAG_SIZE];
+AHBSRAM1 volatile RX_DESC_TypeDef rxdesc[NUM_RX_FRAG];
+AHBSRAM1 volatile RX_STAT_TypeDef rxstat[NUM_RX_FRAG];
+AHBSRAM1 volatile TX_DESC_TypeDef txdesc[NUM_TX_FRAG];
+AHBSRAM1 volatile TX_STAT_TypeDef txstat[NUM_TX_FRAG];
+
+
+#if NEW_LOGIC
+static int rx_consume_offset = -1;
+static int tx_produce_offset = -1;
+#else
+static int send_doff =  0;
+static int send_idx  = -1;
+static int send_size =  0;
+
+static int receive_soff =  0;
+static int receive_idx  = -1;
+#endif
+
+static inline int rinc(int idx, int mod) {
+  ++idx;
+  idx %= mod;
+  return idx;
+}
+
+//extern unsigned int SystemFrequency;
+static inline unsigned int clockselect() {
+  if(SystemCoreClock < 10000000) {
+    return 1;
+  } else if(SystemCoreClock <  15000000) {
+    return 2;
+  } else if(SystemCoreClock <  20000000) {
+    return 3;
+  } else if(SystemCoreClock <  25000000) {
+    return 4;
+  } else if(SystemCoreClock <  35000000) {
+    return 5;
+  } else if(SystemCoreClock <  50000000) {
+    return 6;
+  } else if(SystemCoreClock <  70000000) {
+    return 7;
+  } else if(SystemCoreClock <  80000000) {
+    return 8;
+  } else if(SystemCoreClock <  90000000) {
+    return 9;
+  } else if(SystemCoreClock < 100000000) {
+    return 10;
+  } else if(SystemCoreClock < 120000000) {
+    return 11;
+  } else if(SystemCoreClock < 130000000) {
+    return 12;
+  } else if(SystemCoreClock < 140000000) {
+    return 13;
+  } else if(SystemCoreClock < 150000000) {
+    return 15;
+  } else if(SystemCoreClock < 160000000) {
+    return 16;
+  } else {
+    return 0;
+  }
+}
+
+#ifndef min
+#define min(x, y) (((x)<(y))?(x):(y))
+#endif
+
+/*----------------------------------------------------------------------------
+  Ethernet Device initialize
+ *----------------------------------------------------------------------------*/
+int ethernet_init() {
+  int regv, tout;
+  char mac[ETHERNET_ADDR_SIZE];
+  unsigned int clock = clockselect();
+
+  LPC_SC->PCONP |= 0x40000000;                       /* Power Up the EMAC controller. */
+
+
+  LPC_PINCON->PINSEL2 = 0x50150105;                  /* Enable P1 Ethernet Pins. */
+  LPC_PINCON->PINSEL3 = (LPC_PINCON->PINSEL3 & ~0x0000000F) | 0x00000005;
+
+   /* Reset all EMAC internal modules. */
+  LPC_EMAC->MAC1    = MAC1_RES_TX | MAC1_RES_MCS_TX | MAC1_RES_RX |
+                      MAC1_RES_MCS_RX | MAC1_SIM_RES | MAC1_SOFT_RES;
+  LPC_EMAC->Command = CR_REG_RES | CR_TX_RES | CR_RX_RES | CR_PASS_RUNT_FRM;
+
+  for(tout = 100; tout; tout--) __NOP();             /* A short delay after reset. */
+
+  LPC_EMAC->MAC1 = MAC1_PASS_ALL;                    /* Initialize MAC control registers. */
+  LPC_EMAC->MAC2 = MAC2_CRC_EN | MAC2_PAD_EN;
+  LPC_EMAC->MAXF = ETH_MAX_FLEN;
+  LPC_EMAC->CLRT = CLRT_DEF;
+  LPC_EMAC->IPGR = IPGR_DEF;
+
+  LPC_EMAC->Command = CR_RMII | CR_PASS_RUNT_FRM;    /* Enable Reduced MII interface. */
+
+  LPC_EMAC->MCFG = (clock << 0x2) & MCFG_CLK_SEL;    /* Set clock */
+  LPC_EMAC->MCFG |= MCFG_RES_MII;                    /* and reset */
+
+  for(tout = 100; tout; tout--) __NOP();             /* A short delay */
+
+  LPC_EMAC->MCFG = (clock << 0x2) & MCFG_CLK_SEL;
+  LPC_EMAC->MCMD = 0;
+
+  LPC_EMAC->SUPP = SUPP_RES_RMII;                    /* Reset Reduced MII Logic. */
+
+  for (tout = 100; tout; tout--) __NOP();            /* A short delay */
+
+  LPC_EMAC->SUPP = 0;
+
+  phy_write(PHY_REG_BMCR, PHY_BMCR_RESET);           /* perform PHY reset */
+  for(tout = 0x20000; ; tout--) {                    /* Wait for hardware reset to end. */
+    regv = phy_read(PHY_REG_BMCR);
+    if(regv < 0 || tout == 0) {
+       return -1;                                    /* Error */
+    }
+    if(!(regv & PHY_BMCR_RESET)) {
+       break;                                        /* Reset complete. */
+    }
+  }
+
+  ethernet_set_link(-1, 0);
+
+  /* Set the Ethernet MAC Address registers */
+  ethernet_address(mac);
+  LPC_EMAC->SA0 = ((uint32_t)mac[5] << 8) | (uint32_t)mac[4];
+  LPC_EMAC->SA1 = ((uint32_t)mac[3] << 8) | (uint32_t)mac[2];
+  LPC_EMAC->SA2 = ((uint32_t)mac[1] << 8) | (uint32_t)mac[0];
+
+  txdscr_init();                                      /* initialize DMA TX Descriptor */
+  rxdscr_init();                                      /* initialize DMA RX Descriptor */
+
+  LPC_EMAC->RxFilterCtrl = RFC_UCAST_EN | RFC_MCAST_EN | RFC_BCAST_EN | RFC_PERFECT_EN;
+                                                      /* Receive Broadcast, Perfect Match Packets */
+
+  LPC_EMAC->IntEnable = INT_RX_DONE | INT_TX_DONE;    /* Enable EMAC interrupts. */
+  LPC_EMAC->IntClear  = 0xFFFF;                       /* Reset all interrupts */
+
+
+  LPC_EMAC->Command  |= (CR_RX_EN | CR_TX_EN);        /* Enable receive and transmit mode of MAC Ethernet core */
+  LPC_EMAC->MAC1     |= MAC1_REC_EN;
+
+#if NEW_LOGIC
+  rx_consume_offset = -1;
+  tx_produce_offset = -1;
+#else
+  send_doff =  0;
+  send_idx  = -1;
+  send_size =  0;
+
+  receive_soff =  0;
+  receive_idx  = -1;
+#endif
+
+  return 0;
+}
+
+/*----------------------------------------------------------------------------
+  Ethernet Device Uninitialize
+ *----------------------------------------------------------------------------*/
+void ethernet_free() {
+
+  LPC_EMAC->IntEnable &= ~(INT_RX_DONE | INT_TX_DONE);
+  LPC_EMAC->IntClear   =  0xFFFF;
+
+  LPC_SC->PCONP   &= ~0x40000000;       /* Power down the EMAC controller. */
+  LPC_PINCON->PINSEL2 &= ~0x50150105;   /* Disable P1 ethernet pins. */
+  LPC_PINCON->PINSEL3  = (LPC_PINCON->PINSEL3 & ~0x0000000F) | 0x00000000;
+}
+
+// if(TxProduceIndex == TxConsumeIndex) buffer array is empty
+// if(TxProduceIndex == TxConsumeIndex - 1) buffer is full, should not fill
+// TxProduceIndex - The buffer that will/is being fileld by driver, s/w increment
+// TxConsumeIndex - The buffer that will/is beign sent by hardware
+
+int ethernet_write(const char *data, int slen) {
+
+#if NEW_LOGIC
+
+   if(tx_produce_offset < 0) { // mark as active if not already
+     tx_produce_offset = 0;
+   }
+
+   int index = LPC_EMAC->TxProduceIndex;
+
+   int remaining = ETH_MAX_FLEN - tx_produce_offset - 4; // bytes written plus checksum
+   int requested = slen;
+   int ncopy = min(remaining, requested);
+
+   void *pdst = (void *)(txdesc[index].Packet + tx_produce_offset);
+   void *psrc = (void *)(data);
+
+   if(ncopy > 0 ){
+     if(data != NULL) {
+       memcpy(pdst, psrc, ncopy);
+     } else {
+       memset(pdst, 0, ncopy);
+     }
+   }
+
+   tx_produce_offset += ncopy;
+
+   return ncopy;
+
+#else
+    void       *pdst, *psrc;
+    const int   dlen = ETH_FRAG_SIZE;
+    int         copy = 0;
+    int         soff = 0;
+
+    if(send_idx == -1) {
+        send_idx = LPC_EMAC->TxProduceIndex;
+    }
+
+    if(slen + send_doff > ethernet_MTU_SIZE) {
+       return -1;
+    }
+
+    do {
+        copy = min(slen - soff, dlen - send_doff);
+        pdst = (void *)(txdesc[send_idx].Packet + send_doff);
+        psrc = (void *)(data + soff);
+        if(send_doff + copy > ETH_FRAG_SIZE) {
+            txdesc[send_idx].Ctrl = (send_doff-1) | (TCTRL_INT);
+            send_idx = rinc(send_idx, NUM_TX_FRAG);
+            send_doff = 0;
+        }
+
+        if(data != NULL) {
+            memcpy(pdst, psrc, copy);
+        } else {
+            memset(pdst, 0, copy);
+        }
+
+        soff += copy;
+        send_doff += copy;
+        send_size += copy;
+    } while(soff != slen);
+
+    return soff;
+#endif
+}
+
+int ethernet_send() {
+
+#if NEW_LOGIC
+  if(tx_produce_offset < 0) { // no buffer active
+    return -1;
+  }
+
+  // ensure there is a link
+  if(!ethernet_link()) {
+    return -2;
+  }
+
+  // we have been writing in to a buffer, so finalise it
+  int size = tx_produce_offset;
+  int index = LPC_EMAC->TxProduceIndex;
+  txdesc[index].Ctrl = (tx_produce_offset-1) | (TCTRL_INT | TCTRL_LAST);
+
+  // Increment ProduceIndex to allow it to be sent
+  // We can only do this if the next slot is free
+  int next = rinc(index, NUM_TX_FRAG);
+  while(next == LPC_EMAC->TxConsumeIndex) {
+    for(int i=0; i<1000; i++) { __NOP(); }
+  }
+
+  LPC_EMAC->TxProduceIndex = next;
+  tx_produce_offset = -1;
+  return size;
+
+#else
+    int s = send_size;
+    txdesc[send_idx].Ctrl = (send_doff-1) | (TCTRL_INT | TCTRL_LAST);
+    send_idx  = rinc(send_idx, NUM_TX_FRAG);
+    LPC_EMAC->TxProduceIndex = send_idx;
+    send_doff =  0;
+    send_idx  = -1;
+    send_size =  0;
+    return s;
+#endif
+}
+
+// RxConsmeIndex - The index of buffer the driver will/is reading from. Driver should inc once read
+// RxProduceIndex - The index of buffer that will/is being filled by MAC. H/w will inc once rxd
+//
+// if(RxConsumeIndex == RxProduceIndex) buffer array is empty
+// if(RxConsumeIndex == RxProduceIndex + 1) buffer array is full
+
+// Recevies an arrived ethernet packet.
+// Receiving an ethernet packet will drop the last received ethernet packet
+// and make a new ethernet packet ready to read.
+// Returns size of packet, else 0 if nothing to receive
+
+// We read from RxConsumeIndex from position rx_consume_offset
+// if rx_consume_offset < 0, then we have not recieved the RxConsumeIndex packet for reading
+// rx_consume_offset = -1 // no frame
+// rx_consume_offset = 0  // start of frame
+// Assumption: A fragment should alway be a whole frame
+
+int ethernet_receive() {
+#if NEW_LOGIC
+
+  // if we are currently reading a valid RxConsume buffer, increment to the next one
+  if(rx_consume_offset >= 0) {
+    LPC_EMAC->RxConsumeIndex = rinc(LPC_EMAC->RxConsumeIndex, NUM_RX_FRAG);
+  }
+
+  // if the buffer is empty, mark it as no valid buffer
+  if(LPC_EMAC->RxConsumeIndex == LPC_EMAC->RxProduceIndex) {
+    rx_consume_offset = -1;
+    return 0;
+  }
+
+  uint32_t info = rxstat[LPC_EMAC->RxConsumeIndex].Info;
+  rx_consume_offset = 0;
+
+  // check if it is not marked as last or for errors
+  if(!(info & RINFO_LAST_FLAG) || (info & RINFO_ERR_MASK)) {
+    return -1;
+  }
+
+  int size = (info & RINFO_SIZE) + 1;
+  return size - 4; // don't include checksum bytes
+
+#else
+    if(receive_idx == -1) {
+      receive_idx = LPC_EMAC->RxConsumeIndex;
+    } else {
+        while(!(rxstat[receive_idx].Info & RINFO_LAST_FLAG) && (receive_idx != LPC_EMAC->RxProduceIndex)) {
+            receive_idx  = rinc(receive_idx, NUM_RX_FRAG);
+        }
+        unsigned int info =   rxstat[receive_idx].Info;
+        int slen =  (info & RINFO_SIZE) + 1;
+
+        if(slen > ethernet_MTU_SIZE || (info & RINFO_ERR_MASK)) {
+            /* Invalid frame, ignore it and free buffer. */
+            receive_idx = rinc(receive_idx, NUM_RX_FRAG);
+        }
+        receive_idx = rinc(receive_idx, NUM_RX_FRAG);
+        receive_soff = 0;
+
+        LPC_EMAC->RxConsumeIndex = receive_idx;
+    }
+
+    if(receive_idx == LPC_EMAC->RxProduceIndex) {
+        receive_idx = -1;
+        return 0;
+    }
+
+    return (rxstat[receive_idx].Info & RINFO_SIZE) - 3;
+#endif
+}
+
+// Read from an recevied ethernet packet.
+// After receive returnd a number bigger than 0 it is
+// possible to read bytes from this packet.
+// Read will write up to size bytes into data.
+// It is possible to use read multible times.
+// Each time read will start reading after the last read byte before.
+
+int ethernet_read(char *data, int dlen) {
+#if NEW_LOGIC
+  // Check we have a valid buffer to read
+  if(rx_consume_offset < 0) {
+    return 0;
+  }
+
+  // Assume 1 fragment block
+  uint32_t info = rxstat[LPC_EMAC->RxConsumeIndex].Info;
+  int size = (info & RINFO_SIZE) + 1 - 4; // exclude checksum
+
+  int remaining = size - rx_consume_offset;
+  int requested = dlen;
+  int ncopy = min(remaining, requested);
+
+  void *psrc = (void *)(rxdesc[LPC_EMAC->RxConsumeIndex].Packet + rx_consume_offset);
+  void *pdst = (void *)(data);
+
+  if(data != NULL && ncopy > 0) {
+    memcpy(pdst, psrc, ncopy);
+  }
+
+  rx_consume_offset += ncopy;
+
+  return ncopy;
+#else
+    int          slen;
+    int          copy   = 0;
+    unsigned int more;
+    unsigned int info;
+    void        *pdst, *psrc;
+    int          doff = 0;
+
+    if(receive_idx == LPC_EMAC->RxProduceIndex || receive_idx == -1) {
+        return 0;
+    }
+
+    do {
+        info =   rxstat[receive_idx].Info;
+        more = !(info & RINFO_LAST_FLAG);
+        slen =  (info & RINFO_SIZE) + 1;
+
+        if(slen > ethernet_MTU_SIZE || (info & RINFO_ERR_MASK)) {
+            /* Invalid frame, ignore it and free buffer. */
+            receive_idx = rinc(receive_idx, NUM_RX_FRAG);
+        } else {
+
+            copy = min(slen - receive_soff, dlen - doff);
+            psrc = (void *)(rxdesc[receive_idx].Packet + receive_soff);
+            pdst = (void *)(data + doff);
+
+            if(data != NULL) {
+                /* check if Buffer available */
+                memcpy(pdst, psrc, copy);
+            }
+
+            receive_soff += copy;
+            doff += copy;
+
+            if((more && (receive_soff == slen))) {
+                receive_idx = rinc(receive_idx, NUM_RX_FRAG);
+                receive_soff = 0;
+            }
+        }
+    } while(more && !(doff == dlen) && !receive_soff);
+
+    return doff;
+#endif
+}
+
+int ethernet_link(void) {
+    return (phy_read(PHY_REG_STS) & PHY_STS_LINK);
+}
+
+static int phy_write(unsigned int PhyReg, unsigned short Data) {
+    unsigned int timeOut;
+
+    LPC_EMAC->MADR = DP83848C_DEF_ADR | PhyReg;
+    LPC_EMAC->MWTD = Data;
+
+    for(timeOut = 0; timeOut < MII_WR_TOUT; timeOut++) {     /* Wait until operation completed */
+        if((LPC_EMAC->MIND & MIND_BUSY) == 0) {
+            return 0;
+        }
+    }
+
+    return -1;
+}
+
+
+static int phy_read(unsigned int PhyReg) {
+    unsigned int timeOut;
+
+    LPC_EMAC->MADR = DP83848C_DEF_ADR | PhyReg;
+    LPC_EMAC->MCMD = MCMD_READ;
+
+    for(timeOut = 0; timeOut < MII_RD_TOUT; timeOut++) {     /* Wait until operation completed */
+        if((LPC_EMAC->MIND & MIND_BUSY) == 0) {
+            LPC_EMAC->MCMD = 0;
+            return LPC_EMAC->MRDD;                           /* Return a 16-bit value. */
+        }
+    }
+
+    return -1;
+}
+
+
+static void txdscr_init() {
+    int i;
+
+    for(i = 0; i < NUM_TX_FRAG; i++) {
+        txdesc[i].Packet = (uint32_t)&txbuf[i];
+        txdesc[i].Ctrl   = 0;
+        txstat[i].Info   = 0;
+    }
+
+    LPC_EMAC->TxDescriptor       = (uint32_t)txdesc;         /* Set EMAC Transmit Descriptor Registers. */
+    LPC_EMAC->TxStatus           = (uint32_t)txstat;
+    LPC_EMAC->TxDescriptorNumber = NUM_TX_FRAG-1;
+
+    LPC_EMAC->TxProduceIndex  = 0;                           /* Tx Descriptors Point to 0 */
+}
+
+
+static void rxdscr_init() {
+    int i;
+
+    for(i = 0; i < NUM_RX_FRAG; i++) {
+        rxdesc[i].Packet  = (uint32_t)&rxbuf[i];
+        rxdesc[i].Ctrl    = RCTRL_INT | (ETH_FRAG_SIZE-1);
+        rxstat[i].Info    = 0;
+        rxstat[i].HashCRC = 0;
+    }
+
+    LPC_EMAC->RxDescriptor       = (uint32_t)rxdesc;        /* Set EMAC Receive Descriptor Registers. */
+    LPC_EMAC->RxStatus           = (uint32_t)rxstat;
+    LPC_EMAC->RxDescriptorNumber = NUM_RX_FRAG-1;
+
+    LPC_EMAC->RxConsumeIndex  = 0;                          /* Rx Descriptors Point to 0 */
+}
+
+void ethernet_address(char *mac) {
+    mbed_mac_address(mac);
+}
+
+void ethernet_set_link(int speed, int duplex) {
+    unsigned short phy_data;
+    int tout;
+
+    if((speed < 0) || (speed > 1)) {
+
+        phy_data = PHY_AUTO_NEG;
+
+    } else {
+
+        phy_data = (((unsigned short) speed << 13) |
+                    ((unsigned short) duplex << 8));
+    }
+
+    phy_write(PHY_REG_BMCR, phy_data);
+
+    for(tout = 100; tout; tout--) { __NOP(); }     /* A short delay */
+
+    phy_data = phy_read(PHY_REG_STS);
+
+    if(phy_data & PHY_STS_DUPLEX) {
+        LPC_EMAC->MAC2 |= MAC2_FULL_DUP;
+        LPC_EMAC->Command |= CR_FULL_DUP;
+        LPC_EMAC->IPGT = IPGT_FULL_DUP;
+    } else {
+    LPC_EMAC->MAC2 &= ~MAC2_FULL_DUP;
+        LPC_EMAC->Command &= ~CR_FULL_DUP;
+        LPC_EMAC->IPGT = IPGT_HALF_DUP;
+    }
+
+    if(phy_data & PHY_STS_SPEED) {
+        LPC_EMAC->SUPP &= ~SUPP_SPEED;
+    } else {
+        LPC_EMAC->SUPP |= SUPP_SPEED;
+    }
+}
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/gpio_api.c b/libraries/mbed/vendor/NXP/capi/gpio_api.c
new file mode 100644
index 0000000000..65c7114d3d
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/gpio_api.c
@@ -0,0 +1,77 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "gpio_api.h"
+#include "pinmap.h"
+
+/* PORTING STEP 3a: Implement "gpio_init" */
+
+uint32_t gpio_set(PinName pin) {
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+#ifdef TARGET_LPC2368
+    LPC_SC->SCS |= 1; // High speed GPIO is enabled on ports 0 and 1
+#endif
+    pin_function(pin, 0);
+
+#elif defined(TARGET_LPC11U24)
+    int f = ((pin == P0_11) ||
+             (pin == P0_12) ||
+             (pin == P0_13) ||
+             (pin == P0_14)) ? (1) : (0);
+    pin_function(pin, f);
+#endif
+    return (1 << ((int)pin & 0x1F));
+}
+
+void gpio_init(gpio_t *obj, PinName pin, PinDirection direction) {
+    if(pin == NC) return;
+
+    obj->pin = pin;
+    obj->mask = gpio_set(pin);
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    LPC_GPIO_TypeDef *port_reg = (LPC_GPIO_TypeDef *) ((int)pin & ~0x1F);
+
+    obj->reg_set = &port_reg->FIOSET;
+    obj->reg_clr = &port_reg->FIOCLR;
+    obj->reg_in  = &port_reg->FIOPIN;
+    obj->reg_dir = &port_reg->FIODIR;
+
+#elif defined(TARGET_LPC11U24)
+    unsigned int port = (unsigned int)pin >> PORT_SHIFT;
+
+    obj->reg_set = &LPC_GPIO->SET[port];
+    obj->reg_clr = &LPC_GPIO->CLR[port];
+    obj->reg_in  = &LPC_GPIO->PIN[port];
+    obj->reg_dir = &LPC_GPIO->DIR[port];
+#endif
+
+    gpio_dir(obj, direction);
+    switch (direction) {
+        case PIN_OUTPUT: pin_mode(pin, PullNone); break;
+        case PIN_INPUT : pin_mode(pin, PullDown); break;
+    }
+}
+
+void gpio_mode(gpio_t *obj, PinMode mode) {
+    pin_mode(obj->pin, mode);
+}
+
+void gpio_dir(gpio_t *obj, PinDirection direction) {
+    switch (direction) {
+        case PIN_INPUT : *obj->reg_dir &= ~obj->mask; break;
+        case PIN_OUTPUT: *obj->reg_dir |=  obj->mask; break;
+    }
+}
diff --git a/libraries/mbed/vendor/NXP/capi/gpio_irq_api.c b/libraries/mbed/vendor/NXP/capi/gpio_irq_api.c
new file mode 100644
index 0000000000..7d6406ec64
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/gpio_irq_api.c
@@ -0,0 +1,256 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "gpio_irq_api.h"
+#include "error.h"
+
+#if DEVICE_INTERRUPTIN
+
+#include 
+#include "cmsis.h"
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+#define CHANNEL_NUM     48
+
+#elif defined(TARGET_LPC11U24)
+#define CHANNEL_NUM    8
+#endif
+
+static uint32_t channel_ids[CHANNEL_NUM] = {0};
+static gpio_irq_handler irq_handler;
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+static void handle_interrupt_in(void) {
+    // Read in all current interrupt registers. We do this once as the
+    // GPIO interrupt registers are on the APB bus, and this is slow.
+    uint32_t rise0 = LPC_GPIOINT->IO0IntStatR;
+    uint32_t fall0 = LPC_GPIOINT->IO0IntStatF;
+    uint32_t rise2 = LPC_GPIOINT->IO2IntStatR;
+    uint32_t fall2 = LPC_GPIOINT->IO2IntStatF;
+    uint32_t mask0 = 0;
+    uint32_t mask2 = 0;
+    int i;
+
+    // P0.0-0.31
+    for (i = 0; i < 32; i++) {
+        uint32_t pmask = (1 << i);
+        if (rise0 & pmask) {
+            mask0 |= pmask;
+            if (channel_ids[i] != 0)
+                irq_handler(channel_ids[i], IRQ_RISE);
+        }
+        if (fall0 & pmask) {
+            mask0 |= pmask;
+            if (channel_ids[i] != 0)
+                irq_handler(channel_ids[i], IRQ_FALL);
+        }
+    }
+
+    // P2.0-2.15
+    for (i = 0; i < 16; i++) {
+        uint32_t pmask = (1 << i);
+        int channel_index = i + 32;
+        if (rise2 & pmask) {
+            mask2 |= pmask;
+            if (channel_ids[channel_index] != 0)
+                irq_handler(channel_ids[channel_index], IRQ_RISE);
+        }
+        if (fall2 & pmask) {
+            mask2 |= pmask;
+            if (channel_ids[channel_index] != 0)
+                irq_handler(channel_ids[channel_index], IRQ_FALL);
+        }
+    }
+
+    // Clear the interrupts we just handled
+    LPC_GPIOINT->IO0IntClr = mask0;
+    LPC_GPIOINT->IO2IntClr = mask2;
+}
+
+#elif defined(TARGET_LPC11U24)
+static inline void handle_interrupt_in(uint32_t channel) {
+    uint32_t ch_bit = (1 << channel);
+    // Return immediately if:
+    //   * The interrupt was already served
+    //   * There is no user handler
+    //   * It is a level interrupt, not an edge interrupt
+    if ( ((LPC_GPIO_PIN_INT->IST & ch_bit) == 0) ||
+         (channel_ids[channel] == 0            ) ||
+         (LPC_GPIO_PIN_INT->ISEL & ch_bit      ) ) return;
+
+    if ((LPC_GPIO_PIN_INT->IENR & ch_bit) && (LPC_GPIO_PIN_INT->RISE & ch_bit)) {
+        irq_handler(channel_ids[channel], IRQ_RISE);
+        LPC_GPIO_PIN_INT->RISE = ch_bit;
+    }
+    if ((LPC_GPIO_PIN_INT->IENF & ch_bit) && (LPC_GPIO_PIN_INT->FALL & ch_bit)) {
+        irq_handler(channel_ids[channel], IRQ_FALL);
+    }
+    LPC_GPIO_PIN_INT->IST = ch_bit;
+}
+
+void gpio_irq0(void) {handle_interrupt_in(0);}
+void gpio_irq1(void) {handle_interrupt_in(1);}
+void gpio_irq2(void) {handle_interrupt_in(2);}
+void gpio_irq3(void) {handle_interrupt_in(3);}
+void gpio_irq4(void) {handle_interrupt_in(4);}
+void gpio_irq5(void) {handle_interrupt_in(5);}
+void gpio_irq6(void) {handle_interrupt_in(6);}
+void gpio_irq7(void) {handle_interrupt_in(7);}
+#endif
+
+int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id) {
+    if (pin == NC) return -1;
+
+    irq_handler = handler;
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    obj->port = (int)pin & ~0x1F;
+    obj->pin = (int)pin & 0x1F;
+
+    // Interrupts available only on GPIO0 and GPIO2
+    if (obj->port != LPC_GPIO0_BASE && obj->port != LPC_GPIO2_BASE) {
+        error("pins on this port cannot generate interrupts\n");
+    }
+
+    // put us in the interrupt table
+    int index = (obj->port == LPC_GPIO0_BASE) ? obj->pin : obj->pin + 32;
+    channel_ids[index] = id;
+    obj->ch = index;
+
+    NVIC_SetVector(EINT3_IRQn, (uint32_t)handle_interrupt_in);
+    NVIC_EnableIRQ(EINT3_IRQn);
+
+#elif defined(TARGET_LPC11U24)
+    int found_free_channel = 0;
+    int i = 0;
+    for (i=0; ich = i;
+            found_free_channel = 1;
+            break;
+        }
+    }
+    if (!found_free_channel) return -1;
+
+    /* Enable AHB clock to the GPIO domain. */
+    LPC_SYSCON->SYSAHBCLKCTRL |= (1<<6);
+
+    /* Enable AHB clock to the FlexInt, GroupedInt domain. */
+    LPC_SYSCON->SYSAHBCLKCTRL |= ((1<<19) | (1<<23) | (1<<24));
+
+    /* To select a pin for any of the eight pin interrupts, write the pin number
+     * as 0 to 23 for pins PIO0_0 to PIO0_23 and 24 to 55.
+     * @see: mbed_capi/PinNames.h
+     */
+    LPC_SYSCON->PINTSEL[obj->ch] = (pin >> 5) ? (pin - 8) : (pin);
+
+    // Interrupt Wake-Up Enable
+    LPC_SYSCON->STARTERP0 |= 1 << obj->ch;
+
+    void (*channels_irq)(void) = NULL;
+    switch (obj->ch) {
+        case 0: channels_irq = &gpio_irq0; break;
+        case 1: channels_irq = &gpio_irq1; break;
+        case 2: channels_irq = &gpio_irq2; break;
+        case 3: channels_irq = &gpio_irq3; break;
+        case 4: channels_irq = &gpio_irq4; break;
+        case 5: channels_irq = &gpio_irq5; break;
+        case 6: channels_irq = &gpio_irq6; break;
+        case 7: channels_irq = &gpio_irq7; break;
+    }
+    NVIC_SetVector((IRQn_Type)obj->ch, (uint32_t)channels_irq);
+    NVIC_EnableIRQ((IRQn_Type)obj->ch);
+#endif
+    return 0;
+}
+
+void gpio_irq_free(gpio_irq_t *obj) {
+    channel_ids[obj->ch] = 0;
+#if defined(TARGET_LPC11U24)
+    LPC_SYSCON->STARTERP0 &= ~(1 << obj->ch);
+#endif
+}
+
+void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) {
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    // ensure nothing is pending
+    switch (obj->port) {
+         case LPC_GPIO0_BASE: LPC_GPIOINT->IO0IntClr = 1 << obj->pin; break;
+         case LPC_GPIO2_BASE: LPC_GPIOINT->IO2IntClr = 1 << obj->pin; break;
+    }
+
+    // enable the pin interrupt
+    if (event == IRQ_RISE) {
+        switch (obj->port) {
+            case LPC_GPIO0_BASE:
+                if (enable) {
+                    LPC_GPIOINT->IO0IntEnR |= 1 << obj->pin;
+                } else {
+                    LPC_GPIOINT->IO0IntEnR &= ~(1 << obj->pin);
+                }
+                break;
+            case LPC_GPIO2_BASE:
+                if (enable) {
+                    LPC_GPIOINT->IO2IntEnR |= 1 << obj->pin;
+                } else {
+                    LPC_GPIOINT->IO2IntEnR &= ~(1 << obj->pin);
+                }
+                break;
+        }
+    } else {
+        switch (obj->port) {
+            case LPC_GPIO0_BASE:
+                if (enable) {
+                    LPC_GPIOINT->IO0IntEnF |= 1 << obj->pin;
+                } else {
+                    LPC_GPIOINT->IO0IntEnF &= ~(1 << obj->pin);
+                }
+                break;
+            case LPC_GPIO2_BASE:
+                if (enable) {
+                    LPC_GPIOINT->IO2IntEnF |= 1 << obj->pin;
+                } else {
+                    LPC_GPIOINT->IO2IntEnF &= ~(1 << obj->pin);
+                }
+                break;
+        }
+    }
+#elif defined(TARGET_LPC11U24)
+    unsigned int ch_bit = (1 << obj->ch);
+
+    // Clear interrupt
+    if (!(LPC_GPIO_PIN_INT->ISEL & ch_bit))
+        LPC_GPIO_PIN_INT->IST = ch_bit;
+
+    // Edge trigger
+    LPC_GPIO_PIN_INT->ISEL &= ~ch_bit;
+    if (event == IRQ_RISE) {
+        if (enable) {
+            LPC_GPIO_PIN_INT->IENR |= ch_bit;
+        } else {
+            LPC_GPIO_PIN_INT->IENR &= ~ch_bit;
+        }
+    } else {
+        if (enable) {
+            LPC_GPIO_PIN_INT->IENF |= ch_bit;
+        } else {
+            LPC_GPIO_PIN_INT->IENF &= ~ch_bit;
+        }
+    }
+#endif
+}
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/i2c_api.c b/libraries/mbed/vendor/NXP/capi/i2c_api.c
new file mode 100644
index 0000000000..d332a794d7
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/i2c_api.c
@@ -0,0 +1,433 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "i2c_api.h"
+
+#if DEVICE_I2C
+
+#include "cmsis.h"
+#include "pinmap.h"
+#include "error.h"
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+static const PinMap PinMap_I2C_SDA[] = {
+    {P0_0 , I2C_1, 3},
+    {P0_10, I2C_2, 2},
+    {P0_19, I2C_1, 3},
+    {P0_27, I2C_0, 1},
+    {NC   , NC   , 0}
+};
+
+static const PinMap PinMap_I2C_SCL[] = {
+    {P0_1 , I2C_1, 3},
+    {P0_11, I2C_2, 2},
+    {P0_20, I2C_1, 3},
+    {P0_28, I2C_0, 1},
+    {NC   , NC,    0}
+};
+
+#define I2C_CONSET(x)       (x->i2c->I2CONSET)
+#define I2C_CONCLR(x)       (x->i2c->I2CONCLR)
+#define I2C_STAT(x)         (x->i2c->I2STAT)
+#define I2C_DAT(x)          (x->i2c->I2DAT)
+#define I2C_SCLL(x, val)    (x->i2c->I2SCLL = val)
+#define I2C_SCLH(x, val)    (x->i2c->I2SCLH = val)
+
+#elif defined(TARGET_LPC11U24)
+static const PinMap PinMap_I2C_SDA[] = {
+    {P0_5, I2C_0, 1},
+    {NC  , NC   , 0}
+};
+
+static const PinMap PinMap_I2C_SCL[] = {
+    {P0_4, I2C_0, 1},
+    {NC  , NC,    0}
+};
+
+#define I2C_CONSET(x)       (x->i2c->CONSET)
+#define I2C_CONCLR(x)       (x->i2c->CONCLR)
+#define I2C_STAT(x)         (x->i2c->STAT)
+#define I2C_DAT(x)          (x->i2c->DAT)
+#define I2C_SCLL(x, val)    (x->i2c->SCLL = val)
+#define I2C_SCLH(x, val)    (x->i2c->SCLH = val)
+#endif
+
+static const uint32_t I2C_addr_offset[2][4] = {
+    {0x0C, 0x20, 0x24, 0x28},
+    {0x30, 0x34, 0x38, 0x3C}
+};
+
+static void i2c_conclr(i2c_t *obj, int start, int stop, int interrupt, int acknowledge) {
+    I2C_CONCLR(obj) = (start << 5)
+                    | (stop << 4)
+                    | (interrupt << 3)
+                    | (acknowledge << 2);
+}
+
+static void i2c_conset(i2c_t *obj, int start, int stop, int interrupt, int acknowledge) {
+    I2C_CONSET(obj) = (start << 5)
+                    | (stop << 4)
+                    | (interrupt << 3)
+                    | (acknowledge << 2);
+}
+
+// Clear the Serial Interrupt (SI)
+static void i2c_clear_SI(i2c_t *obj) {
+    i2c_conclr(obj, 0, 0, 1, 0);
+}
+
+static int i2c_status(i2c_t *obj) {
+    return I2C_STAT(obj);
+}
+
+// Wait until the Serial Interrupt (SI) is set
+static int i2c_wait_SI(i2c_t *obj) {
+    int timeout = 0;
+    while (!(I2C_CONSET(obj) & (1 << 3))) {
+        timeout++;
+        if (timeout > 100000) return -1;
+    }
+    return 0;
+}
+
+static void i2c_interface_enable(i2c_t *obj) {
+    I2C_CONSET(obj) = 0x40;
+}
+
+static void i2c_power_enable(i2c_t *obj) {
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    switch ((int)obj->i2c) {
+        case I2C_0: LPC_SC->PCONP |= 1 << 7; break;
+        case I2C_1: LPC_SC->PCONP |= 1 << 19; break;
+        case I2C_2: LPC_SC->PCONP |= 1 << 26; break;
+    }
+#elif defined(TARGET_LPC11U24)
+    LPC_SYSCON->SYSAHBCLKCTRL |= (1 << 5);
+    LPC_SYSCON->PRESETCTRL |= 1 << 1;
+#endif
+}
+
+void i2c_init(i2c_t *obj, PinName sda, PinName scl) {
+    // determine the SPI to use
+    I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA);
+    I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL);
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    obj->i2c = (LPC_I2C_TypeDef *)pinmap_merge(i2c_sda, i2c_scl);
+#elif defined(TARGET_LPC11U24)
+    obj->i2c = (LPC_I2C_Type *)pinmap_merge(i2c_sda, i2c_scl);
+#endif
+    if ((int)obj->i2c == NC) {
+        error("I2C pin mapping failed");
+    }
+
+    // enable power
+    i2c_power_enable(obj);
+
+    // set default frequency at 100k
+    i2c_frequency(obj, 100000);
+    i2c_conclr(obj, 1, 1, 1, 1);
+    i2c_interface_enable(obj);
+
+    pinmap_pinout(sda, PinMap_I2C_SDA);
+    pinmap_pinout(scl, PinMap_I2C_SCL);
+}
+
+int i2c_start(i2c_t *obj) {
+    int status;
+
+    // 8.1 Before master mode can be entered, I2CON must be initialised to:
+    //  - I2EN STA STO SI AA - -
+    //  -  1    0   0   0  x - -
+    // if AA = 0, it can't enter slave mode
+    i2c_conclr(obj, 1, 1, 1, 1);
+
+    // The master mode may now be entered by setting the STA bit
+    // this will generate a start condition when the bus becomes free
+    i2c_conset(obj, 1, 0, 0, 1);
+
+    i2c_wait_SI(obj);
+    status = i2c_status(obj);
+
+    // Clear start bit now transmitted, and interrupt bit
+    i2c_conclr(obj, 1, 0, 0, 0);
+
+    return status;
+}
+
+void i2c_stop(i2c_t *obj) {
+    // write the stop bit
+    i2c_conset(obj, 0, 1, 0, 0);
+    i2c_clear_SI(obj);
+
+    // wait for STO bit to reset
+    while(I2C_CONSET(obj) & (1 << 4));
+}
+
+
+static int i2c_do_write(i2c_t *obj, int value) {
+    // write the data
+    I2C_DAT(obj) = value;
+
+    // clear SI to init a send
+    i2c_clear_SI(obj);
+
+    i2c_wait_SI(obj);
+    // wait and return status
+    return i2c_status(obj);
+}
+
+static int i2c_do_read(i2c_t *obj, int last) {
+    // we are in state 0x40 (SLA+R tx'd) or 0x50 (data rx'd and ack)
+
+    if(last) {
+        i2c_conclr(obj, 0, 0, 0, 1); // send a NOT ACK
+    } else {
+        i2c_conset(obj, 0, 0, 0, 1); // send a ACK
+    }
+
+    // accept byte
+    i2c_clear_SI(obj);
+
+    // wait for it to arrive
+    i2c_wait_SI(obj);
+
+    // return the data
+    return (I2C_DAT(obj) & 0xFF);
+}
+
+void i2c_frequency(i2c_t *obj, int hz) {
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    // [TODO] set pclk to /4
+    uint32_t PCLK = SystemCoreClock / 4;
+#elif defined(TARGET_LPC11U24)
+    // No peripheral clock divider on the M0
+    uint32_t PCLK = SystemCoreClock;
+#endif
+
+    uint32_t pulse = PCLK / (hz * 2);
+
+    // I2C Rate
+    I2C_SCLL(obj, pulse);
+    I2C_SCLH(obj, pulse);
+}
+
+// The I2C does a read or a write as a whole operation
+// There are two types of error conditions it can encounter
+//  1) it can not obtain the bus
+//  2) it gets error responses at part of the transmission
+//
+// We tackle them as follows:
+//  1) we retry until we get the bus. we could have a "timeout" if we can not get it
+//      which basically turns it in to a 2)
+//  2) on error, we use the standard error mechanisms to report/debug
+//
+// Therefore an I2C transaction should always complete. If it doesn't it is usually
+// because something is setup wrong (e.g. wiring), and we don't need to programatically
+// check for that
+
+int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) {
+    int count, status;
+
+    status = i2c_start(obj);
+
+    if ((status != 0x10) && (status != 0x08)) {
+        i2c_stop(obj);
+        return status;
+    }
+
+    status = i2c_do_write(obj, (address | 0x01));
+    if (status != 0x40) {
+        i2c_stop(obj);
+        return status;
+    }
+
+    // Read in all except last byte
+    for (count = 0; count < (length - 1); count++) {
+        int value = i2c_do_read(obj, 0);
+        status = i2c_status(obj);
+        if (status != 0x50) {
+            i2c_stop(obj);
+            return status;
+        }
+        data[count] = (char) value;
+    }
+
+    // read in last byte
+    int value = i2c_do_read(obj, 1);
+    status = i2c_status(obj);
+    if (status != 0x58) {
+        i2c_stop(obj);
+        return status;
+    }
+
+    data[count] = (char) value;
+
+    // If not repeated start, send stop.
+    if (stop) {
+        i2c_stop(obj);
+    }
+
+    return 0;
+}
+
+int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) {
+    int i, status;
+
+    status = i2c_start(obj);
+
+    if ((status != 0x10) && (status != 0x08)) {
+        i2c_stop(obj);
+        return status;
+    }
+
+    status = i2c_do_write(obj, (address & 0xFE));
+    if (status != 0x18) {
+        i2c_stop(obj);
+        return status;
+    }
+
+    for (i=0; i= 0) && (idx <= 3)) {
+        addr = ((uint32_t)obj->i2c) + I2C_addr_offset[0][idx];
+        *((uint32_t *) addr) = address & 0xFF;
+#ifdef TARGET_LPC1768
+        addr = ((uint32_t)obj->i2c) + I2C_addr_offset[1][idx];
+        *((uint32_t *) addr) = mask & 0xFE;
+#endif
+    }
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/pinmap.c b/libraries/mbed/vendor/NXP/capi/pinmap.c
new file mode 100644
index 0000000000..5e6c278193
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/pinmap.c
@@ -0,0 +1,98 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "pinmap.h"
+#include "error.h"
+
+/* PORTING STEP 2:
+   Implement "pin_function" and "pin_mode" to set:
+     * the pin functionality (configuring the multiplexing block)
+     * the pin pullup settings
+ */
+
+#if defined(TARGET_LPC11U24)
+#define LPC_IOCON0_BASE (LPC_IOCON_BASE)
+#define LPC_IOCON1_BASE (LPC_IOCON_BASE + 0x60)
+#endif
+
+void pin_function(PinName pin, int function) {
+    if (pin == (uint32_t)NC) return;
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    uint32_t pin_number = (uint32_t)pin - (uint32_t)P0_0;
+    int index = pin_number >> 4;
+    int offset = (pin_number & 0xF) << 1;
+
+    PINCONARRAY->PINSEL[index] &= ~(0x3 << offset);
+    PINCONARRAY->PINSEL[index] |= function << offset;
+
+#elif defined(TARGET_LPC11U24)
+    uint32_t pin_number = (uint32_t)pin;
+
+    __IO uint32_t *reg = (pin_number < 32) ?
+            (__IO uint32_t*)(LPC_IOCON0_BASE + 4 * pin_number) :
+            (__IO uint32_t*)(LPC_IOCON1_BASE + 4 * (pin_number - 32));
+
+    // pin function bits: [2:0] -> 111 = (0x7)
+    *reg = (*reg & ~0x7) | (function & 0x7);
+#endif
+}
+
+void pin_mode(PinName pin, PinMode mode) {
+    if (pin == (uint32_t)NC) { return; }
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    uint32_t pin_number = (uint32_t)pin - (uint32_t)P0_0;
+    int index = pin_number >> 5;
+    int offset = pin_number & 0x1F;
+    uint32_t drain = ((uint32_t) mode & (uint32_t) OpenDrain) >> 2;
+
+#if defined(TARGET_LPC2368)
+    if (mode == OpenDrain) error("OpenDrain not supported on LPC2368");
+
+#elif defined(TARGET_LPC1768)
+    PINCONARRAY->PINMODE_OD[index] &= ~(drain << offset);
+    PINCONARRAY->PINMODE_OD[index] |= drain << offset;
+#endif
+
+    if (!drain) {
+        index = pin_number >> 4;
+        offset = (pin_number & 0xF) << 1;
+
+        PINCONARRAY->PINMODE[index] &= ~(0x3 << offset);
+        PINCONARRAY->PINMODE[index] |= (uint32_t)mode << offset;
+    }
+
+#elif defined(TARGET_LPC11U24)
+    uint32_t pin_number = (uint32_t)pin;
+    uint32_t drain = ((uint32_t) mode & (uint32_t) OpenDrain) >> 2;
+
+    // Open drain mode is not available on LPC2368
+    __IO uint32_t *reg = (pin_number < 32) ?
+            (__IO uint32_t*)(LPC_IOCON0_BASE + 4 * pin_number) :
+            (__IO uint32_t*)(LPC_IOCON1_BASE + 4 * (pin_number - 32));
+    uint32_t tmp = *reg;
+
+    // pin mode bits: [4:3] -> 11000 = (0x3 << 3)
+    tmp &= ~(0x3 << 3);
+    tmp |= (mode & 0x3) << 3;
+
+    // drain
+    tmp &= ~(0x1 << 10);
+    tmp |= drain << 10;
+
+    *reg = tmp;
+#endif
+}
diff --git a/libraries/mbed/vendor/NXP/capi/port_api.c b/libraries/mbed/vendor/NXP/capi/port_api.c
new file mode 100644
index 0000000000..75c60cf9b0
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/port_api.c
@@ -0,0 +1,94 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "port_api.h"
+#include "pinmap.h"
+#include "gpio_api.h"
+
+#if DEVICE_PORTIN || DEVICE_PORTOUT
+
+PinName port_pin(PortName port, int pin_n) {
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    return (PinName)(LPC_GPIO0_BASE + ((port << PORT_SHIFT) | pin_n));
+#elif defined(TARGET_LPC11U24)
+    return (PinName)((port << PORT_SHIFT) | pin_n);
+#endif
+}
+
+void port_init(port_t *obj, PortName port, int mask, PinDirection dir) {
+    obj->port = port;
+    obj->mask = mask;
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    LPC_GPIO_TypeDef *port_reg = (LPC_GPIO_TypeDef *)(LPC_GPIO0_BASE + ((int)port * 0x20));
+
+    // Do not use masking, because it prevents the use of the unmasked pins
+    // port_reg->FIOMASK = ~mask;
+
+    obj->reg_out = &port_reg->FIOPIN;
+    obj->reg_in  = &port_reg->FIOPIN;
+    obj->reg_dir  = &port_reg->FIODIR;
+
+#elif defined(TARGET_LPC11U24)
+    LPC_GPIO->MASK[port] = ~mask;
+
+    obj->reg_mpin = &LPC_GPIO->MPIN[port];
+    obj->reg_dir = &LPC_GPIO->DIR[port];
+#endif
+    uint32_t i;
+    // The function is set per pin: reuse gpio logic
+    for (i=0; i<32; i++) {
+        if (obj->mask & (1<port, i));
+        }
+    }
+
+    port_dir(obj, dir);
+}
+
+void port_mode(port_t *obj, PinMode mode) {
+    uint32_t i;
+    // The mode is set per pin: reuse pinmap logic
+    for (i=0; i<32; i++) {
+        if (obj->mask & (1<port, i), mode);
+        }
+    }
+}
+
+void port_dir(port_t *obj, PinDirection dir) {
+    switch (dir) {
+        case PIN_INPUT : *obj->reg_dir &= ~obj->mask; break;
+        case PIN_OUTPUT: *obj->reg_dir |=  obj->mask; break;
+    }
+}
+
+void port_write(port_t *obj, int value) {
+#if defined(TARGET_LPC11U24)
+    *obj->reg_mpin = value;
+#elif defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    *obj->reg_out = (*obj->reg_in & ~obj->mask) | (value & obj->mask);
+#endif
+}
+
+int port_read(port_t *obj) {
+#if defined(TARGET_LPC11U24)
+    return (*obj->reg_mpin);
+#elif defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    return (*obj->reg_in & obj->mask);
+#endif
+}
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/pwmout_api.c b/libraries/mbed/vendor/NXP/capi/pwmout_api.c
new file mode 100644
index 0000000000..4933e59e38
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/pwmout_api.c
@@ -0,0 +1,309 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "pwmout_api.h"
+
+#if DEVICE_PWMOUT
+
+#include "cmsis.h"
+#include "pinmap.h"
+#include "error.h"
+
+#define TCR_CNT_EN       0x00000001
+#define TCR_RESET        0x00000002
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+//  PORT ID, PWM ID, Pin function
+static const PinMap PinMap_PWM[] = {
+    {P1_18, PWM_1, 2},
+    {P1_20, PWM_2, 2},
+    {P1_21, PWM_3, 2},
+    {P1_23, PWM_4, 2},
+    {P1_24, PWM_5, 2},
+    {P1_26, PWM_6, 2},
+    {P2_0 , PWM_1, 1},
+    {P2_1 , PWM_2, 1},
+    {P2_2 , PWM_3, 1},
+    {P2_3 , PWM_4, 1},
+    {P2_4 , PWM_5, 1},
+    {P2_5 , PWM_6, 1},
+    {P3_25, PWM_2, 3},
+    {P3_26, PWM_3, 3},
+    {NC, NC, 0}
+};
+
+__IO uint32_t *PWM_MATCH[] = {
+    &(LPC_PWM1->MR0),
+    &(LPC_PWM1->MR1),
+    &(LPC_PWM1->MR2),
+    &(LPC_PWM1->MR3),
+    &(LPC_PWM1->MR4),
+    &(LPC_PWM1->MR5),
+    &(LPC_PWM1->MR6)
+};
+
+#define TCR_PWM_EN       0x00000008
+
+static unsigned int pwm_clock_mhz;
+
+#elif defined(TARGET_LPC11U24)
+/* To have a PWM where we can change both the period and the duty cycle,
+ * we need an entire timer. With the following conventions:
+ *   * MR3 is used for the PWM period
+ *   * MR0, MR1, MR2 are used for the duty cycle
+ */
+static const PinMap PinMap_PWM[] = {
+    /* CT16B0 */
+    {P0_8 , PWM_1, 2}, {P1_13, PWM_1, 2},    /* MR0 */
+    {P0_9 , PWM_2, 2}, {P1_14, PWM_2, 2},   /* MR1 */
+    {P0_10, PWM_3, 3}, {P1_15, PWM_3, 2},   /* MR2 */
+
+    /* CT16B1 */
+    {P0_21, PWM_4, 1},                      /* MR0 */
+    {P0_22, PWM_5, 2}, {P1_23, PWM_5, 1},   /* MR1 */
+
+    /* CT32B0 */
+    {P0_18, PWM_6, 2}, {P1_24, PWM_6, 1},   /* MR0 */
+    {P0_19, PWM_7, 2}, {P1_25, PWM_7, 1},   /* MR1 */
+    {P0_1 , PWM_8, 2}, {P1_26, PWM_8, 1},   /* MR2 */
+
+    /* CT32B1 */
+    {P0_13, PWM_9 , 3}, {P1_0, PWM_9 , 1},  /* MR0 */
+    {P0_14, PWM_10, 3}, {P1_1, PWM_10, 1},  /* MR1 */
+    {P0_15, PWM_11, 3}, {P1_2, PWM_11, 1},  /* MR2 */
+
+    {NC, NC, 0}
+};
+
+typedef struct {
+    uint8_t timer;
+    uint8_t mr;
+} timer_mr;
+
+static timer_mr pwm_timer_map[11] = {
+    {0, 0}, {0, 1}, {0, 2},
+    {1, 0}, {1, 1},
+    {2, 0}, {2, 1}, {2, 2},
+    {3, 0}, {3, 1}, {3, 2},
+};
+
+static LPC_CTxxBx_Type *Timers[4] = {
+    LPC_CT16B0, LPC_CT16B1,
+    LPC_CT32B0, LPC_CT32B1
+};
+
+static unsigned int pwm_clock_mhz;
+#endif
+
+void pwmout_init(pwmout_t* obj, PinName pin) {
+    // determine the channel
+    PWMName pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM);
+    if (pwm == (uint32_t)NC)
+        error("PwmOut pin mapping failed");
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    obj->pwm = pwm;
+    obj->MR = PWM_MATCH[pwm];
+
+    // ensure the power is on
+    LPC_SC->PCONP |= 1 << 6;
+
+    // ensure clock to /4
+    LPC_SC->PCLKSEL0 &= ~(0x3 << 12);     // pclk = /4
+    LPC_PWM1->PR = 0;                     // no pre-scale
+
+    // ensure single PWM mode
+    LPC_PWM1->MCR = 1 << 1; // reset TC on match 0
+
+    // enable the specific PWM output
+    LPC_PWM1->PCR |= 1 << (8 + pwm);
+
+    pwm_clock_mhz = SystemCoreClock / 4000000;
+
+#elif defined(TARGET_LPC11U24)
+    obj->pwm = pwm;
+
+    // Timer registers
+    timer_mr tid = pwm_timer_map[pwm];
+    LPC_CTxxBx_Type *timer = Timers[tid.timer];
+
+    // Disable timer
+    timer->TCR = 0;
+
+    // Power the correspondent timer
+    LPC_SYSCON->SYSAHBCLKCTRL |= 1 << (tid.timer + 7);
+
+    /* Enable PWM function */
+    timer->PWMC = (1 << 3)|(1 << 2)|(1 << 1)|(1 << 0);
+
+    /* Reset Functionality on MR3 controlling the PWM period */
+    timer->MCR = 1 << 10;
+
+    pwm_clock_mhz = SystemCoreClock / 1000000;
+#endif
+    // default to 20ms: standard for servos, and fine for e.g. brightness control
+    pwmout_period_ms(obj, 20);
+    pwmout_write    (obj, 0);
+
+    // Wire pinout
+    pinmap_pinout(pin, PinMap_PWM);
+}
+
+void pwmout_free(pwmout_t* obj) {
+    // [TODO]
+}
+
+void pwmout_write(pwmout_t* obj, float value) {
+    if (value < 0.0) {
+        value = 0.0;
+    } else if (value > 1.0) {
+        value = 1.0;
+    }
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    // set channel match to percentage
+    uint32_t v = (uint32_t)((float)(LPC_PWM1->MR0) * value);
+
+    // workaround for PWM1[1] - Never make it equal MR0, else we get 1 cycle dropout
+    if (v == LPC_PWM1->MR0) {
+        v++;
+    }
+
+    *obj->MR = v;
+
+    // accept on next period start
+    LPC_PWM1->LER |= 1 << obj->pwm;
+
+#elif defined(TARGET_LPC11U24)
+    timer_mr tid = pwm_timer_map[obj->pwm];
+    LPC_CTxxBx_Type *timer = Timers[tid.timer];
+    uint32_t t_off = timer->MR3 - (uint32_t)((float)(timer->MR3) * value);
+
+    timer->TCR = TCR_RESET;
+    timer->MR[tid.mr] = t_off;
+    timer->TCR = TCR_CNT_EN;
+#endif
+}
+
+float pwmout_read(pwmout_t* obj) {
+    float v;
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    v = (float)(*obj->MR) / (float)(LPC_PWM1->MR0);
+
+#elif defined(TARGET_LPC11U24)
+    timer_mr tid = pwm_timer_map[obj->pwm];
+    LPC_CTxxBx_Type *timer = Timers[tid.timer];
+    v = (float)(timer->MR3 - timer->MR[tid.mr]) / (float)(timer->MR3);
+
+#endif
+
+    return (v > 1.0) ? (1.0) : (v);
+}
+
+void pwmout_period(pwmout_t* obj, float seconds) {
+    pwmout_period_us(obj, seconds * 1000000.0f);
+}
+
+void pwmout_period_ms(pwmout_t* obj, int ms) {
+    pwmout_period_us(obj, ms * 1000);
+}
+
+// Set the PWM period, keeping the duty cycle the same.
+void pwmout_period_us(pwmout_t* obj, int us) {
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    // calculate number of ticks
+    uint32_t ticks = pwm_clock_mhz * us;
+
+    // set reset
+    LPC_PWM1->TCR = TCR_RESET;
+
+    // set the global match register
+    LPC_PWM1->MR0 = ticks;
+
+    // Scale the pulse width to preserve the duty ratio
+    if (LPC_PWM1->MR0 > 0) {
+        *obj->MR = (*obj->MR * ticks) / LPC_PWM1->MR0;
+    }
+
+    // set the channel latch to update value at next period start
+    LPC_PWM1->LER |= 1 << 0;
+
+    // enable counter and pwm, clear reset
+    LPC_PWM1->TCR = TCR_CNT_EN | TCR_PWM_EN;
+
+#elif defined(TARGET_LPC11U24)
+    int i = 0;
+    uint32_t period_ticks = pwm_clock_mhz * us;
+
+    timer_mr tid = pwm_timer_map[obj->pwm];
+    LPC_CTxxBx_Type *timer = Timers[tid.timer];
+    uint32_t old_period_ticks = timer->MR3;
+
+    timer->TCR = TCR_RESET;
+    timer->MR3 = period_ticks;
+
+    // Scale the pulse width to preserve the duty ratio
+    if (old_period_ticks > 0) {
+        for (i=0; i<3; i++) {
+            uint32_t t_off = period_ticks - (uint32_t)(((uint64_t)timer->MR[i] * (uint64_t)period_ticks) / (uint64_t)old_period_ticks);
+            timer->MR[i] = t_off;
+        }
+    }
+    timer->TCR = TCR_CNT_EN;
+
+#endif
+}
+
+void pwmout_pulsewidth(pwmout_t* obj, float seconds) {
+    pwmout_pulsewidth_us(obj, seconds * 1000000.0f);
+}
+
+void pwmout_pulsewidth_ms(pwmout_t* obj, int ms) {
+    pwmout_pulsewidth_us(obj, ms * 1000);
+}
+
+void pwmout_pulsewidth_us(pwmout_t* obj, int us) {
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    // calculate number of ticks
+    uint32_t v = pwm_clock_mhz * us;
+
+    // workaround for PWM1[1] - Never make it equal MR0, else we get 1 cycle dropout
+    if (v == LPC_PWM1->MR0) {
+        v++;
+    }
+
+    // set the match register value
+    *obj->MR = v;
+
+    // set the channel latch to update value at next period start
+    LPC_PWM1->LER |= 1 << obj->pwm;
+
+#elif defined(TARGET_LPC11U24)
+    uint32_t t_on = (uint32_t)(((uint64_t)SystemCoreClock * (uint64_t)us) / (uint64_t)1000000);
+    timer_mr tid = pwm_timer_map[obj->pwm];
+    LPC_CTxxBx_Type *timer = Timers[tid.timer];
+
+    timer->TCR = TCR_RESET;
+    if (t_on > timer->MR3) {
+        pwmout_period_us(obj, us);
+    }
+    uint32_t t_off = timer->MR3 - t_on;
+    timer->MR[tid.mr] = t_off;
+    timer->TCR = TCR_CNT_EN;
+
+#endif
+}
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/rtc_api.c b/libraries/mbed/vendor/NXP/capi/rtc_api.c
new file mode 100644
index 0000000000..e3e126a726
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/rtc_api.c
@@ -0,0 +1,123 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "rtc_api.h"
+
+#if DEVICE_RTC
+
+// ensure rtc is running (unchanged if already running)
+
+/* Setup the RTC based on a time structure, ensuring RTC is enabled
+ *
+ * Can be clocked by a 32.768KHz oscillator or prescale divider based on the APB clock
+ * - We want to use the 32khz clock, allowing for sleep mode
+ *
+ * Most registers are not changed by a Reset
+ * - We must initialize these registers between power-on and setting the RTC into operation
+
+ * Clock Control Register
+ *  RTC_CCR[0] : Enable - 0 = Disabled, 1 = Enabled
+ *  RTC_CCR[1] : Reset - 0 = Normal, 1 = Reset
+ *  RTC_CCR[4] : Clock Source - 0 = Prescaler, 1 = 32k Xtal
+ *
+ * The RTC may already be running, so we should set it up
+ * without impacting if it is the case
+ */
+void rtc_init(void) {
+    LPC_SC->PCONP |= 0x200; // Ensure power is on
+    LPC_RTC->CCR = 0x00;
+
+// clock source on 2368 is special test mode on 1768!
+#ifdef TARGET_LPC2368
+    LPC_RTC->CCR |= 1 << 4;  // Ensure clock source is 32KHz Xtal
+#endif
+
+    LPC_RTC->CCR |= 1 << 0; // Ensure the RTC is enabled
+}
+
+void rtc_free(void) {
+    // [TODO]
+}
+
+/*
+ * Little check routine to see if the RTC has been enabled
+ *
+ * Clock Control Register
+ *  RTC_CCR[0] : 0 = Disabled, 1 = Enabled
+ *
+ */
+
+int rtc_isenabled(void) {
+    return(((LPC_RTC->CCR) & 0x01) != 0);
+}
+
+/*
+ * RTC Registers
+ *  RTC_SEC        Seconds 0-59
+ *  RTC_MIN        Minutes 0-59
+ *  RTC_HOUR    Hour 0-23
+ *  RTC_DOM        Day of Month 1-28..31
+ *  RTC_DOW        Day of Week 0-6
+ *  RTC_DOY        Day of Year 1-365
+ *  RTC_MONTH    Month 1-12
+ *  RTC_YEAR    Year 0-4095
+ *
+ * struct tm
+ *  tm_sec        seconds after the minute 0-61
+ *  tm_min        minutes after the hour 0-59
+ *  tm_hour        hours since midnight 0-23
+ *  tm_mday        day of the month 1-31
+ *  tm_mon        months since January 0-11
+ *  tm_year        years since 1900
+ *  tm_wday        days since Sunday 0-6
+ *  tm_yday        days since January 1 0-365
+ *  tm_isdst    Daylight Saving Time flag
+ */
+time_t rtc_read(void) {
+    // Setup a tm structure based on the RTC
+    struct tm timeinfo;
+    timeinfo.tm_sec = LPC_RTC->SEC;
+    timeinfo.tm_min = LPC_RTC->MIN;
+    timeinfo.tm_hour = LPC_RTC->HOUR;
+    timeinfo.tm_mday = LPC_RTC->DOM;
+    timeinfo.tm_mon = LPC_RTC->MONTH - 1;
+    timeinfo.tm_year = LPC_RTC->YEAR - 1900;
+
+    // Convert to timestamp
+    time_t t = mktime(&timeinfo);
+
+    return t;
+}
+
+void rtc_write(time_t t) {
+    // Convert the time in to a tm
+    struct tm *timeinfo = localtime(&t);
+
+    // Pause clock, and clear counter register (clears us count)
+    LPC_RTC->CCR |= 2;
+
+    // Set the RTC
+    LPC_RTC->SEC = timeinfo->tm_sec;
+    LPC_RTC->MIN = timeinfo->tm_min;
+    LPC_RTC->HOUR = timeinfo->tm_hour;
+    LPC_RTC->DOM = timeinfo->tm_mday;
+    LPC_RTC->MONTH = timeinfo->tm_mon + 1;
+    LPC_RTC->YEAR = timeinfo->tm_year + 1900;
+
+    // Restart clock
+    LPC_RTC->CCR &= ~((uint32_t)2);
+}
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/semihost.c b/libraries/mbed/vendor/NXP/capi/semihost.c
new file mode 100644
index 0000000000..5d494d92c3
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/semihost.c
@@ -0,0 +1,24 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "semihost_api.h"
+
+#if DEVICE_DEBUG_AWARENESS
+
+int semihost_connected(void) {
+    return (CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk) ? 1 : 0;
+}
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/serial_api.c b/libraries/mbed/vendor/NXP/capi/serial_api.c
new file mode 100644
index 0000000000..92fce923b3
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/serial_api.c
@@ -0,0 +1,365 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "serial_api.h"
+
+#if DEVICE_SERIAL
+
+// math.h required for floating point operations for baud rate calculation
+#include 
+
+#include 
+
+#include "cmsis.h"
+#include "pinmap.h"
+#include "error.h"
+
+/******************************************************************************
+ * INITIALIZATION
+ ******************************************************************************/
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+static const PinMap PinMap_UART_TX[] = {
+    {P0_0,  UART_3, 2},
+    {P0_2,  UART_0, 1},
+    {P0_10, UART_2, 1},
+    {P0_15, UART_1, 1},
+    {P0_25, UART_3, 3},
+    {P2_0 , UART_1, 2},
+    {P2_8 , UART_2, 2},
+    {P4_28, UART_3, 3},
+    {NC   , NC    , 0}
+};
+
+static const PinMap PinMap_UART_RX[] = {
+    {P0_1 , UART_3, 2},
+    {P0_3 , UART_0, 1},
+    {P0_11, UART_2, 1},
+    {P0_16, UART_1, 1},
+    {P0_26, UART_3, 3},
+    {P2_1 , UART_1, 2},
+    {P2_9 , UART_2, 2},
+    {P4_29, UART_3, 3},
+    {NC   , NC    , 0}
+};
+
+#define UART_NUM    4
+
+#elif defined(TARGET_LPC11U24)
+static const PinMap PinMap_UART_TX[] = {
+    {P0_19, UART_0, 1},
+    {P1_13, UART_0, 3},
+    {P1_27, UART_0, 2},
+    { NC  , NC    , 0}
+};
+
+static const PinMap PinMap_UART_RX[] = {
+    {P0_18, UART_0, 1},
+    {P1_14, UART_0, 3},
+    {P1_26, UART_0, 2},
+    {NC   , NC    , 0}
+};
+
+#define UART_NUM    1
+#endif
+
+static uint32_t serial_irq_ids[UART_NUM] = {0};
+static uart_irq_handler irq_handler;
+
+int stdio_uart_inited = 0;
+serial_t stdio_uart;
+
+void serial_init(serial_t *obj, PinName tx, PinName rx) {
+    // determine the UART to use
+    UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX);
+    UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX);
+    UARTName uart = (UARTName)pinmap_merge(uart_tx, uart_rx);
+    if ((int)uart == NC) {
+        error("Serial pinout mapping failed");
+    }
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    obj->uart = (LPC_UART_TypeDef *)uart;
+    // enable power
+    switch (uart) {
+        case UART_0: LPC_SC->PCONP |= 1 <<  3; break;
+        case UART_1: LPC_SC->PCONP |= 1 <<  4; break;
+        case UART_2: LPC_SC->PCONP |= 1 << 24; break;
+        case UART_3: LPC_SC->PCONP |= 1 << 25; break;
+    }
+
+#elif defined(TARGET_LPC11U24)
+    obj->uart = (LPC_USART_Type *)uart;
+    LPC_SYSCON->SYSAHBCLKCTRL |= (1<<12);
+
+    // [TODO] Consider more elegant approach
+    // disconnect USBTX/RX mapping mux, for case when switching ports
+    pin_function(USBTX, 0);
+    pin_function(USBRX, 0);
+#endif
+
+    // enable fifos and default rx trigger level
+    obj->uart->FCR = 1 << 0  // FIFO Enable - 0 = Disables, 1 = Enabled
+                   | 0 << 1  // Rx Fifo Reset
+                   | 0 << 2  // Tx Fifo Reset
+                   | 0 << 6; // Rx irq trigger level - 0 = 1 char, 1 = 4 chars, 2 = 8 chars, 3 = 14 chars
+
+    // disable irqs
+    obj->uart->IER = 0 << 0  // Rx Data available irq enable
+                   | 0 << 1  // Tx Fifo empty irq enable
+                   | 0 << 2; // Rx Line Status irq enable
+
+    // set default baud rate and format
+    serial_baud  (obj, 9600);
+    serial_format(obj, 8, ParityNone, 1);
+
+    // pinout the chosen uart
+    pinmap_pinout(tx, PinMap_UART_TX);
+    pinmap_pinout(rx, PinMap_UART_RX);
+
+    // set rx/tx pins in PullUp mode
+    pin_mode(tx, PullUp);
+    pin_mode(rx, PullUp);
+
+    switch (uart) {
+        case UART_0: obj->index = 0; break;
+#if (UART_NUM > 1)
+        case UART_1: obj->index = 1; break;
+#endif
+#if (UART_NUM > 2)
+        case UART_2: obj->index = 2; break;
+#endif
+#if (UART_NUM > 3)
+        case UART_3: obj->index = 3; break;
+#endif
+    }
+
+    if (uart == STDIO_UART) {
+        stdio_uart_inited = 1;
+        memcpy(&stdio_uart, obj, sizeof(serial_t));
+    }
+}
+
+void serial_free(serial_t *obj) {
+    serial_irq_ids[obj->index] = 0;
+}
+
+// serial_baud
+//
+// set the baud rate, taking in to account the current SystemFrequency
+//
+// The LPC2300 and LPC1700 have a divider and a fractional divider to control the
+// baud rate. The formula is:
+//
+// Baudrate = (1 / PCLK) * 16 * DL * (1 + DivAddVal / MulVal)
+//   where:
+//     1 < MulVal <= 15
+//     0 <= DivAddVal < 14
+//     DivAddVal < MulVal
+//
+void serial_baud(serial_t *obj, int baudrate) {
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    // set pclk to /1
+    switch ((int)obj->uart) {
+        case UART_0: LPC_SC->PCLKSEL0 &= ~(0x3 <<  6); LPC_SC->PCLKSEL0 |= (0x1 <<  6); break;
+        case UART_1: LPC_SC->PCLKSEL0 &= ~(0x3 <<  8); LPC_SC->PCLKSEL0 |= (0x1 <<  8); break;
+        case UART_2: LPC_SC->PCLKSEL1 &= ~(0x3 << 16); LPC_SC->PCLKSEL1 |= (0x1 << 16); break;
+        case UART_3: LPC_SC->PCLKSEL1 &= ~(0x3 << 18); LPC_SC->PCLKSEL1 |= (0x1 << 18); break;
+        default: error("serial_baud"); break;
+    }
+
+    uint32_t PCLK = SystemCoreClock;
+
+#elif defined(TARGET_LPC11U24)
+    LPC_SYSCON->UARTCLKDIV = 0x1;
+    uint32_t PCLK = SystemCoreClock;
+#endif
+
+    // First we check to see if the basic divide with no DivAddVal/MulVal
+    // ratio gives us an integer result. If it does, we set DivAddVal = 0,
+    // MulVal = 1. Otherwise, we search the valid ratio value range to find
+    // the closest match. This could be more elegant, using search methods
+    // and/or lookup tables, but the brute force method is not that much
+    // slower, and is more maintainable.
+    uint16_t DL = PCLK / (16 * baudrate);
+
+    uint8_t DivAddVal = 0;
+    uint8_t MulVal = 1;
+    int hit = 0;
+    uint16_t dlv;
+    uint8_t mv, dav;
+    if ((PCLK % (16 * baudrate)) != 0) {     // Checking for zero remainder
+        float err_best = (float) baudrate;
+        uint16_t dlmax = DL;
+        for ( dlv = (dlmax/2); (dlv <= dlmax) && !hit; dlv++) {
+            for ( mv = 1; mv <= 15; mv++) {
+                for ( dav = 1; dav < mv; dav++) {
+                    float ratio = 1.0 + ((float) dav / (float) mv);
+                    float calcbaud = (float)PCLK / (16.0 * (float) dlv * ratio);
+                    float err = fabs(((float) baudrate - calcbaud) / (float) baudrate);
+                    if (err < err_best) {
+                        DL = dlv;
+                        DivAddVal = dav;
+                        MulVal = mv;
+                        err_best = err;
+                        if (err < 0.001) {
+                            hit = 1;
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    // set LCR[DLAB] to enable writing to divider registers
+    obj->uart->LCR |= (1 << 7);
+
+    // set divider values
+    obj->uart->DLM = (DL >> 8) & 0xFF;
+    obj->uart->DLL = (DL >> 0) & 0xFF;
+    obj->uart->FDR = (uint32_t) DivAddVal << 0
+                   | (uint32_t) MulVal    << 4;
+
+    // clear LCR[DLAB]
+    obj->uart->LCR &= ~(1 << 7);
+}
+
+void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) {
+    // 5 data bits = 0 ... 8 data bits = 3
+    if (data_bits < 5 || data_bits > 8) {
+        error("Invalid number of bits (%d) in serial format, should be 5..8", data_bits);
+    }
+
+    data_bits -= 5;
+
+    int parity_enable, parity_select;
+    switch (parity) {
+        case ParityNone: parity_enable = 0; parity_select = 0; break;
+        case ParityOdd : parity_enable = 1; parity_select = 0; break;
+        case ParityEven: parity_enable = 1; parity_select = 1; break;
+        case ParityForced1: parity_enable = 1; parity_select = 2; break;
+        case ParityForced0: parity_enable = 1; parity_select = 3; break;
+        default:
+            error("Invalid serial parity setting");
+            return;
+    }
+
+    // 1 stop bits = 0, 2 stop bits = 1
+    if (stop_bits != 1 && stop_bits != 2) {
+        error("Invalid stop bits specified");
+    }
+    stop_bits -= 1;
+
+    int break_transmission   = 0; // 0 = Disable, 1 = Enable
+    int divisor_latch_access = 0; // 0 = Disable, 1 = Enable
+    obj->uart->LCR = data_bits << 0
+                   | stop_bits << 2
+                   | parity_enable << 3
+                   | parity_select << 4
+                   | break_transmission << 6
+                   | divisor_latch_access << 7;
+}
+
+/******************************************************************************
+ * INTERRUPTS HANDLING
+ ******************************************************************************/
+static inline void uart_irq(uint32_t iir, uint32_t index) {
+    // [Chapter 14] LPC17xx UART0/2/3: UARTn Interrupt Handling
+    SerialIrq irq_type;
+    switch (((iir >> 1) & 0x7)) {
+        case 1: irq_type = TxIrq; break;
+        case 2: irq_type = RxIrq; break;
+        default: return;
+    }
+
+    if (serial_irq_ids[index] != 0)
+        irq_handler(serial_irq_ids[index], irq_type);
+}
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+void uart0_irq() {uart_irq(LPC_UART0->IIR, 0);}
+void uart1_irq() {uart_irq(LPC_UART1->IIR, 1);}
+void uart2_irq() {uart_irq(LPC_UART2->IIR, 2);}
+void uart3_irq() {uart_irq(LPC_UART3->IIR, 3);}
+
+#elif defined(TARGET_LPC11U24)
+void uart0_irq() {uart_irq(LPC_USART->IIR, 0);}
+#endif
+
+void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) {
+    irq_handler = handler;
+    serial_irq_ids[obj->index] = id;
+}
+
+void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) {
+    IRQn_Type irq_n = (IRQn_Type)0;
+    uint32_t vector = 0;
+    switch ((int)obj->uart) {
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+        case UART_0: irq_n=UART0_IRQn; vector = (uint32_t)&uart0_irq; break;
+        case UART_1: irq_n=UART1_IRQn; vector = (uint32_t)&uart1_irq; break;
+        case UART_2: irq_n=UART2_IRQn; vector = (uint32_t)&uart2_irq; break;
+        case UART_3: irq_n=UART3_IRQn; vector = (uint32_t)&uart3_irq; break;
+#elif defined(TARGET_LPC11U24)
+        case UART_0: irq_n=UART_IRQn ; vector = (uint32_t)&uart0_irq; break;
+#endif
+    }
+
+    if (enable) {
+        obj->uart->IER |= 1 << irq;
+        NVIC_SetVector(irq_n, vector);
+        NVIC_EnableIRQ(irq_n);
+
+    } else { // disable
+        int all_disabled = 0;
+        SerialIrq other_irq = (irq == RxIrq) ? (TxIrq) : (RxIrq);
+        obj->uart->IER &= ~(1 << irq);
+        all_disabled = (obj->uart->IER & (1 << other_irq)) == 0;
+        if (all_disabled)
+            NVIC_DisableIRQ(irq_n);
+    }
+}
+
+/******************************************************************************
+ * READ/WRITE
+ ******************************************************************************/
+int serial_getc(serial_t *obj) {
+    while (!serial_readable(obj));
+    return obj->uart->RBR;
+}
+
+void serial_putc(serial_t *obj, int c) {
+    while (!serial_writable(obj));
+    obj->uart->THR = c;
+}
+
+int serial_readable(serial_t *obj) {
+    return obj->uart->LSR & 0x01;
+}
+
+int serial_writable(serial_t *obj) {
+    return obj->uart->LSR & 0x20;
+}
+
+void serial_clear(serial_t *obj) {
+    obj->uart->FCR = 1 << 1  // rx FIFO reset
+                   | 1 << 2  // tx FIFO reset
+                   | 0 << 6; // interrupt depth
+}
+
+void serial_pinout_tx(PinName tx) {
+    pinmap_pinout(tx, PinMap_UART_TX);
+}
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/sleep.c b/libraries/mbed/vendor/NXP/capi/sleep.c
new file mode 100644
index 0000000000..8f0965c8cd
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/sleep.c
@@ -0,0 +1,93 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "sleep_api.h"
+
+#if DEVICE_SLEEP
+
+#include "cmsis.h"
+#include "mbed_interface.h"
+
+void sleep(void) {
+#if DEVICE_SEMIHOST
+    // ensure debug is disconnected
+    mbed_interface_disconnect();
+#endif
+
+    // PCON[PD] set to sleep
+#if defined(TARGET_LPC11U24)
+    LPC_PMU->PCON = 0x0;
+#elif defined(TARGET_LPC1768)
+    LPC_SC->PCON = 0x0;
+#endif
+
+    // SRC[SLEEPDEEP] set to 0 = sleep
+    SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
+
+    // wait for interrupt
+    __WFI();
+}
+
+/*
+* The mbed lpc1768 does not support the deepsleep mode
+* as a debugger is connected to it (the mbed interface).
+*
+* As mentionned in an application note from NXP:
+*
+*       http://www.po-star.com/public/uploads/20120319123122_141.pdf
+*
+*       {{{
+*       The user should be aware of certain limitations during debugging.
+*       The most important is that, due to limitations of the Cortex-M3
+*       integration, the LPC17xx cannot wake up in the usual manner from
+*       Deep Sleep and Power-down modes. It is recommended not to use these
+*       modes during debug. Once an application is downloaded via JTAG/SWD
+*       interface, the USB to SWD/JTAG debug adapter (Keil ULINK2 for example)
+*       should be removed from the target board, and thereafter, power cycle
+*       the LPC17xx to allow wake-up from deep sleep and power-down modes
+*       }}}
+*
+*       As the interface firmware does not reset the target when a
+*       mbed_interface_disconnect() semihosting call is made, the
+*       core cannot wake-up from deepsleep.
+*
+*       We treat a deepsleep() as a normal sleep().
+*/
+
+void deepsleep(void) {
+#if DEVICE_SEMIHOST
+    // ensure debug is disconnected
+    mbed_interface_disconnect();
+#endif
+
+    // PCON[PD] set to deepsleep
+#if defined(TARGET_LPC11U24)
+    LPC_PMU->PCON = 0x1;
+
+    // SRC[SLEEPDEEP] set to 1 = deep sleep
+    SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
+
+    // Power up everything after powerdown
+    LPC_SYSCON->PDAWAKECFG &= 0xFFFFF800;
+
+    // wait for interrupt
+    __WFI();
+
+#elif defined(TARGET_LPC1768)
+    sleep();
+#endif
+}
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/spi_api.c b/libraries/mbed/vendor/NXP/capi/spi_api.c
new file mode 100644
index 0000000000..a7ae593a0f
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/spi_api.c
@@ -0,0 +1,282 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "spi_api.h"
+
+#if DEVICE_SPI
+#include 
+
+#include "cmsis.h"
+#include "pinmap.h"
+#include "error.h"
+
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+
+static const PinMap PinMap_SPI_SCLK[] = {
+    {P0_7 , SPI_1, 2},
+    {P0_15, SPI_0, 2},
+    {P1_20, SPI_0, 3},
+    {P1_31, SPI_1, 2},
+    {NC   , NC   , 0}
+};
+
+static const PinMap PinMap_SPI_MOSI[] = {
+    {P0_9 , SPI_1, 2},
+    {P0_13, SPI_1, 2},
+    {P0_18, SPI_0, 2},
+    {P1_24, SPI_0, 3},
+    {NC   , NC   , 0}
+};
+
+static const PinMap PinMap_SPI_MISO[] = {
+    {P0_8 , SPI_1, 2},
+    {P0_12, SPI_1, 2},
+    {P0_17, SPI_0, 2},
+    {P1_23, SPI_0, 3},
+    {NC   , NC   , 0}
+};
+
+static const PinMap PinMap_SPI_SSEL[] = {
+    {P0_6 , SPI_1, 2},
+    {P0_11, SPI_1, 2},
+    {P0_16, SPI_0, 2},
+    {P1_21, SPI_0, 3},
+    {NC   , NC   , 0}
+};
+
+#elif defined(TARGET_LPC11U24)
+
+static const PinMap PinMap_SPI_SCLK[] = {
+    {P0_6 , SPI_0, 0x02},
+    {P0_10, SPI_0, 0x02},
+    {P1_29, SPI_0, 0x01},
+    {P1_15, SPI_1, 0x03},
+    {P1_20, SPI_1, 0x02},
+    {NC   , NC   , 0}
+};
+
+static const PinMap PinMap_SPI_MOSI[] = {
+    {P0_9 , SPI_0, 0x01},
+    {P0_21, SPI_1, 0x02},
+    {P1_22, SPI_1, 0x02},
+    {NC   , NC   , 0}
+};
+
+static const PinMap PinMap_SPI_MISO[] = {
+    {P0_8 , SPI_0, 0x01},
+    {P0_22, SPI_1, 0x03},
+    {P1_21, SPI_1, 0x02},
+    {NC   , NC   , 0}
+};
+
+static const PinMap PinMap_SPI_SSEL[] = {
+    {P0_2 , SPI_0, 0x01},
+    {P1_19, SPI_1, 0x02},
+    {P1_23, SPI_1, 0x02},
+    {NC   , NC   , 0}
+};
+
+#endif
+
+void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel) {
+    // determine the SPI to use
+    SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI);
+    SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO);
+    SPIName spi_sclk = (SPIName)pinmap_peripheral(sclk, PinMap_SPI_SCLK);
+    SPIName spi_ssel = (SPIName)pinmap_peripheral(ssel, PinMap_SPI_SSEL);
+    SPIName spi_data = (SPIName)pinmap_merge(spi_mosi, spi_miso);
+    SPIName spi_cntl = (SPIName)pinmap_merge(spi_sclk, spi_ssel);
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    obj->spi = (LPC_SSP_TypeDef*)pinmap_merge(spi_data, spi_cntl);
+#elif defined(TARGET_LPC11U24)
+    obj->spi = (LPC_SSPx_Type*)pinmap_merge(spi_data, spi_cntl);
+#endif
+    if ((int)obj->spi == NC) {
+        error("SPI pinout mapping failed");
+    }
+
+    // enable power and clocking
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    switch ((int)obj->spi) {
+        case SPI_0: LPC_SC->PCONP |= 1 << 21; break;
+        case SPI_1: LPC_SC->PCONP |= 1 << 10; break;
+    }
+#elif defined(TARGET_LPC11U24)
+    switch ((int)obj->spi) {
+        case SPI_0:
+            LPC_SYSCON->SYSAHBCLKCTRL |= 1 << 11;
+            LPC_SYSCON->SSP0CLKDIV = 0x01;
+            LPC_SYSCON->PRESETCTRL |= 1 << 0;
+            break;
+        case SPI_1:
+            LPC_SYSCON->SYSAHBCLKCTRL |= 1 << 18;
+            LPC_SYSCON->SSP1CLKDIV = 0x01;
+            LPC_SYSCON->PRESETCTRL |= 1 << 2;
+            break;
+    }
+#endif
+
+    // set default format and frequency
+    if (ssel == NC) {
+        spi_format(obj, 8, 0, 0);  // 8 bits, mode 0, master
+    } else {
+        spi_format(obj, 8, 0, 1);  // 8 bits, mode 0, slave
+    }
+    spi_frequency(obj, 1000000);
+
+    // enable the ssp channel
+    obj->spi->CR1 |= 1 << 1;
+
+    // pin out the spi pins
+    pinmap_pinout(mosi, PinMap_SPI_MOSI);
+    pinmap_pinout(miso, PinMap_SPI_MISO);
+    pinmap_pinout(sclk, PinMap_SPI_SCLK);
+    if (ssel != NC) {
+        pinmap_pinout(ssel, PinMap_SPI_SSEL);
+    }
+}
+
+void spi_free(spi_t *obj) {}
+
+static inline int ssp_disable(spi_t *obj);
+static inline int ssp_enable(spi_t *obj);
+
+void spi_format(spi_t *obj, int bits, int mode, int slave) {
+    ssp_disable(obj);
+    if (!(bits >= 4 && bits <= 16) || !(mode >= 0 && mode <= 3)) {
+        error("SPI format error");
+    }
+
+    int polarity = (mode & 0x2) ? 1 : 0;
+    int phase = (mode & 0x1) ? 1 : 0;
+
+    // set it up
+    int DSS = bits - 1;            // DSS (data select size)
+    int FRF = 0;                   // FRF (frame format) = SPI
+    int SPO = (polarity) ? 1 : 0;  // SPO - clock out polarity
+    int SPH = (phase) ? 1 : 0;     // SPH - clock out phase
+
+    uint32_t tmp = obj->spi->CR0;
+    tmp &= ~(0xFFFF);
+    tmp |= DSS << 0
+        | FRF << 4
+        | SPO << 6
+        | SPH << 7;
+    obj->spi->CR0 = tmp;
+
+    tmp = obj->spi->CR1;
+    tmp &= ~(0xD);
+    tmp |= 0 << 0                   // LBM - loop back mode - off
+        | ((slave) ? 1 : 0) << 2   // MS - master slave mode, 1 = slave
+        | 0 << 3;                  // SOD - slave output disable - na
+    obj->spi->CR1 = tmp;
+
+    ssp_enable(obj);
+}
+
+void spi_frequency(spi_t *obj, int hz) {
+    ssp_disable(obj);
+
+    // setup the spi clock diveder to /1
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    switch ((int)obj->spi) {
+        case SPI_0:
+            LPC_SC->PCLKSEL1 &= ~(3 << 10);
+            LPC_SC->PCLKSEL1 |=  (1 << 10);
+            break;
+        case SPI_1:
+            LPC_SC->PCLKSEL0 &= ~(3 << 20);
+            LPC_SC->PCLKSEL0 |=  (1 << 20);
+            break;
+    }
+#endif
+
+    uint32_t PCLK = SystemCoreClock;
+    int prescaler;
+
+    for (prescaler = 2; prescaler <= 254; prescaler += 2) {
+        int prescale_hz = PCLK / prescaler;
+
+        // calculate the divider
+        int divider = floor(((float)prescale_hz / (float)hz) + 0.5);
+
+        // check we can support the divider
+        if (divider < 256) {
+            // prescaler
+            obj->spi->CPSR = prescaler;
+
+            // divider
+            obj->spi->CR0 &= ~(0xFFFF << 8);
+            obj->spi->CR0 |= (divider - 1) << 8;
+            ssp_enable(obj);
+            return;
+        }
+    }
+    error("Couldn't setup requested SPI frequency");
+}
+
+static inline int ssp_disable(spi_t *obj) {
+    return obj->spi->CR1 &= ~(1 << 1);
+}
+
+static inline int ssp_enable(spi_t *obj) {
+    return obj->spi->CR1 |= (1 << 1);
+}
+
+static inline int ssp_readable(spi_t *obj) {
+    return obj->spi->SR & (1 << 2);
+}
+
+static inline int ssp_writeable(spi_t *obj) {
+    return obj->spi->SR & (1 << 1);
+}
+
+static inline void ssp_write(spi_t *obj, int value) {
+    while (!ssp_writeable(obj));
+    obj->spi->DR = value;
+}
+
+static inline int ssp_read(spi_t *obj) {
+    while (!ssp_readable(obj));
+    return obj->spi->DR;
+}
+
+static inline int ssp_busy(spi_t *obj) {
+    return (obj->spi->SR & (1 << 4)) ? (1) : (0);
+}
+
+int spi_master_write(spi_t *obj, int value) {
+    ssp_write(obj, value);
+    return ssp_read(obj);
+}
+
+int spi_slave_receive(spi_t *obj) {
+    return (ssp_readable(obj) && !ssp_busy(obj)) ? (1) : (0);
+};
+
+int spi_slave_read(spi_t *obj) {
+    return obj->spi->DR;
+}
+
+void spi_slave_write(spi_t *obj, int value) {
+    while (ssp_writeable(obj) == 0) ;
+    obj->spi->DR = value;
+}
+
+int spi_busy(spi_t *obj) {
+    return ssp_busy(obj);
+}
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/capi/us_ticker_api.c b/libraries/mbed/vendor/NXP/capi/us_ticker_api.c
new file mode 100644
index 0000000000..29a70196aa
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/capi/us_ticker_api.c
@@ -0,0 +1,172 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include 
+#include "us_ticker_api.h"
+#include "PeripheralNames.h"
+
+/* PORTING STEP 4:
+   Implement
+       * "us_ticker_init", "us_ticker_read"
+       * "us_ticker_set_interrupt", "us_ticker_disable_interrupt", "us_ticker_clear_interrupt"
+ */
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+#define US_TICKER_TIMER      ((LPC_TIM_TypeDef *)LPC_TIM3_BASE)
+#define US_TICKER_TIMER_IRQn TIMER3_IRQn
+
+#elif defined(TARGET_LPC11U24)
+#define US_TICKER_TIMER          ((LPC_CTxxBx_Type *)LPC_CT32B1_BASE)
+#define US_TICKER_TIMER_IRQn     TIMER_32_1_IRQn
+
+#endif
+
+static int us_ticker_running = 0;
+
+static inline void us_ticker_init(void) {
+    us_ticker_running = 1;
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    LPC_SC->PCONP |= 1 << 23; // Clock TIMER_3
+
+    US_TICKER_TIMER->CTCR = 0x0; // timer mode
+    uint32_t PCLK = SystemCoreClock / 4;
+
+#elif defined(TARGET_LPC11U24)
+    LPC_SYSCON->SYSAHBCLKCTRL |= (1<<10); // Clock TIMER_1
+    uint32_t PCLK = SystemCoreClock;
+
+#endif
+    US_TICKER_TIMER->TCR = 0x2;  // reset
+
+    uint32_t prescale = PCLK / 1000000; // default to 1MHz (1 us ticks)
+    US_TICKER_TIMER->PR = prescale - 1;
+    US_TICKER_TIMER->TCR = 1; // enable = 1, reset = 0
+}
+
+uint32_t us_ticker_read() {
+    if (!us_ticker_running)
+        us_ticker_init();
+
+    return US_TICKER_TIMER->TC;
+}
+
+static inline void us_ticker_set_interrupt(unsigned int timestamp) {
+    // set match value
+    US_TICKER_TIMER->MR0 = timestamp;
+    // enable match interrupt
+    US_TICKER_TIMER->MCR |= 1;
+}
+
+static inline void us_ticker_disable_interrupt(void) {
+    US_TICKER_TIMER->MCR &= ~1;
+}
+
+static inline void us_ticker_clear_interrupt(void) {
+    US_TICKER_TIMER->IR = 1;
+}
+
+static ticker_event_handler event_handler;
+static ticker_event_t *head = NULL;
+
+void irq_handler(void) {
+    us_ticker_clear_interrupt();
+
+    /* Go through all the pending TimerEvents */
+    while (1) {
+        if (head == NULL) {
+            // There are no more TimerEvents left, so disable matches.
+            us_ticker_disable_interrupt();
+            return;
+        }
+
+        if ((int)(head->timestamp - us_ticker_read()) <= 0) {
+            // This event was in the past:
+            //      point to the following one and execute its handler
+            ticker_event_t *p = head;
+            head = head->next;
+
+            event_handler(p->id); // NOTE: the handler can set new events
+
+        } else {
+            // This event and the following ones in the list are in the future:
+            //      set it as next interrupt and return
+            us_ticker_set_interrupt(head->timestamp);
+            return;
+        }
+    }
+}
+
+void us_ticker_set_handler(ticker_event_handler handler) {
+    event_handler = handler;
+
+    NVIC_SetVector(US_TICKER_TIMER_IRQn, (uint32_t)irq_handler);
+    NVIC_EnableIRQ(US_TICKER_TIMER_IRQn);
+}
+
+void us_ticker_insert_event(ticker_event_t *obj, unsigned int timestamp, uint32_t id) {
+    /* disable interrupts for the duration of the function */
+    __disable_irq();
+
+    // initialise our data
+    obj->timestamp = timestamp;
+    obj->id = id;
+
+    /* Go through the list until we either reach the end, or find
+       an element this should come before (which is possibly the
+       head). */
+    ticker_event_t *prev = NULL, *p = head;
+    while (p != NULL) {
+        /* check if we come before p */
+        if ((int)(timestamp - p->timestamp) <= 0) {
+            break;
+        }
+        /* go to the next element */
+        prev = p;
+        p = p->next;
+    }
+    /* if prev is NULL we're at the head */
+    if (prev == NULL) {
+        head = obj;
+        us_ticker_set_interrupt(timestamp);
+    } else {
+        prev->next = obj;
+    }
+    /* if we're at the end p will be NULL, which is correct */
+    obj->next = p;
+
+    __enable_irq();
+}
+
+void us_ticker_remove_event(ticker_event_t *obj) {
+    __disable_irq();
+
+    // remove this object from the list
+    if (head == obj) { // first in the list, so just drop me
+        head = obj->next;
+        if (obj->next != NULL) {
+            us_ticker_set_interrupt(head->timestamp);
+        }
+    } else {            // find the object before me, then drop me
+        ticker_event_t* p = head;
+        while (p != NULL) {
+            if (p->next == obj) {
+                p->next = obj->next;
+                break;
+            }
+            p = p->next;
+        }
+    }
+
+    __enable_irq();
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/ARM/LPC11U24.sct b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/ARM/LPC11U24.sct
new file mode 100644
index 0000000000..0a7772d0c3
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/ARM/LPC11U24.sct
@@ -0,0 +1,14 @@
+
+LR_IROM1 0x00000000 0x8000  {    ; load region size_region (32k)
+  ER_IROM1 0x00000000 0x8000  {  ; load address = execution address
+   *.o (RESET, +First)
+   *(InRoot$$Sections)
+   .ANY (+RO)
+  }
+  ; 8_byte_aligned(48 vect * 4 bytes) =  8_byte_aligned(0xC0) = 0xC0
+  ; 8KB - 0xC0 = 0xF40
+  RW_IRAM1 0x100000C0 0xF40  {
+   .ANY (+RW +ZI)
+  }
+}
+
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/ARM/startup_LPC11xx.s b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/ARM/startup_LPC11xx.s
new file mode 100644
index 0000000000..b25009ff6c
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/ARM/startup_LPC11xx.s
@@ -0,0 +1,308 @@
+;/*****************************************************************************
+; * @file:    startup_LPC11xx.s
+; * @purpose: CMSIS Cortex-M0 Core Device Startup File 
+; *           for the NXP LPC11xx Device Series 
+; * @version: V1.0
+; * @date:    25. Nov. 2008
+; *------- <<< Use Configuration Wizard in Context Menu >>> ------------------
+; *
+; * Copyright (C) 2008 ARM Limited. All rights reserved.
+; * ARM Limited (ARM) is supplying this software for use with Cortex-M0 
+; * processor based microcontrollers.  This file can be freely distributed 
+; * within development tools that are supporting such ARM based processors. 
+; *
+; * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+; * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+; * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+; * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+; * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+; *
+; *****************************************************************************/
+
+__initial_sp        EQU     0x10001000  ; Top of RAM from LPC11U
+
+                PRESERVE8
+                THUMB
+
+; Vector Table Mapped to Address 0 at Reset
+
+                AREA    RESET, DATA, READONLY
+                EXPORT  __Vectors
+
+__Vectors       DCD     __initial_sp              ; Top of Stack
+                DCD     Reset_Handler             ; Reset Handler
+                DCD     NMI_Handler               ; NMI Handler
+                DCD     HardFault_Handler         ; Hard Fault Handler
+                DCD     MemManage_Handler         ; MPU Fault Handler
+                DCD     BusFault_Handler          ; Bus Fault Handler
+                DCD     UsageFault_Handler        ; Usage Fault Handler
+                DCD     0                         ; Reserved
+                DCD     0                         ; Reserved
+                DCD     0                         ; Reserved
+                DCD     0                         ; Reserved
+                DCD     SVC_Handler               ; SVCall Handler
+                DCD     DebugMon_Handler          ; Debug Monitor Handler
+                DCD     0                         ; Reserved
+                DCD     PendSV_Handler            ; PendSV Handler
+                DCD     SysTick_Handler           ; SysTick Handler
+
+                ; External Interrupts
+				; for LPC11Uxx (With USB)
+                DCD     FLEX_INT0_IRQHandler      ; All GPIO pin can be routed to FLEX_INTx
+                DCD     FLEX_INT1_IRQHandler          
+                DCD     FLEX_INT2_IRQHandler                       
+                DCD     FLEX_INT3_IRQHandler                         
+                DCD     FLEX_INT4_IRQHandler                        
+                DCD     FLEX_INT5_IRQHandler
+                DCD     FLEX_INT6_IRQHandler
+                DCD     FLEX_INT7_IRQHandler                       
+                DCD     GINT0_IRQHandler                         
+                DCD     GINT1_IRQHandler          ; PIO0 (0:7)              
+                DCD     Reserved_IRQHandler	      ; Reserved
+                DCD     Reserved_IRQHandler
+                DCD     Reserved_IRQHandler       
+                DCD     Reserved_IRQHandler                       
+                DCD     SSP1_IRQHandler           ; SSP1               
+                DCD     I2C_IRQHandler            ; I2C
+                DCD     TIMER16_0_IRQHandler      ; 16-bit Timer0
+                DCD     TIMER16_1_IRQHandler      ; 16-bit Timer1
+                DCD     TIMER32_0_IRQHandler      ; 32-bit Timer0
+                DCD     TIMER32_1_IRQHandler      ; 32-bit Timer1
+                DCD     SSP0_IRQHandler           ; SSP0
+                DCD     UART_IRQHandler           ; UART
+                DCD     USB_IRQHandler            ; USB IRQ
+                DCD     USB_FIQHandler            ; USB FIQ
+                DCD     ADC_IRQHandler            ; A/D Converter
+                DCD     WDT_IRQHandler            ; Watchdog timer
+                DCD     BOD_IRQHandler            ; Brown Out Detect
+                DCD     FMC_IRQHandler            ; IP2111 Flash Memory Controller
+                DCD     Reserved_IRQHandler	    ; Reserved
+                DCD     Reserved_IRQHandler       ; Reserved
+                DCD     USBWakeup_IRQHandler      ; USB wake up
+                DCD     Reserved_IRQHandler       ; Reserved
+	
+	;; 48 vector entries. We pad to 128 to fill the 0x0 - 0x1FF REMAP address space
+                
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+
+        	DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+
+        	DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+
+        	DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+
+        	DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+
+        	DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+
+        	DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+
+        	DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+	
+                IF      :LNOT::DEF:NO_CRP
+                AREA    |.ARM.__at_0x02FC|, CODE, READONLY
+CRP_Key         DCD     0xFFFFFFFF
+                ENDIF
+
+
+                AREA    |.text|, CODE, READONLY
+
+
+	
+; Reset Handler
+
+Reset_Handler   PROC
+                EXPORT  Reset_Handler             [WEAK]
+                IMPORT  SystemInit
+                IMPORT  __main
+                LDR     R0, =SystemInit
+                BLX     R0
+                LDR     R0, =__main
+                BX      R0
+                ENDP
+
+; Dummy Exception Handlers (infinite loops which can be modified)                
+
+; now, under COMMON NMI.c and NMI.h, a real NMI handler is created if NMI is enabled 
+; for particular peripheral.
+;NMI_Handler     PROC
+;                EXPORT  NMI_Handler               [WEAK]
+;                B       .
+;                ENDP
+HardFault_Handler\
+                PROC
+                EXPORT  HardFault_Handler         [WEAK]
+                B       .
+                ENDP
+MemManage_Handler\
+                PROC
+                EXPORT  MemManage_Handler         [WEAK]
+                B       .
+                ENDP
+BusFault_Handler\
+                PROC
+                EXPORT  BusFault_Handler          [WEAK]
+                B       .
+                ENDP
+UsageFault_Handler\
+                PROC
+                EXPORT  UsageFault_Handler        [WEAK]
+                B       .
+                ENDP
+SVC_Handler     PROC
+                EXPORT  SVC_Handler               [WEAK]
+                B       .
+                ENDP
+DebugMon_Handler\
+                PROC
+                EXPORT  DebugMon_Handler          [WEAK]
+                B       .
+                ENDP
+PendSV_Handler  PROC
+                EXPORT  PendSV_Handler            [WEAK]
+                B       .
+                ENDP
+SysTick_Handler PROC
+                EXPORT  SysTick_Handler           [WEAK]
+                B       .
+                ENDP
+Reserved_IRQHandler PROC
+                EXPORT  Reserved_IRQHandler       [WEAK]
+                B       .
+                ENDP
+
+Default_Handler PROC
+; for LPC11Uxx (With USB)
+                EXPORT  NMI_Handler               [WEAK]
+                EXPORT  FLEX_INT0_IRQHandler      [WEAK]
+                EXPORT  FLEX_INT1_IRQHandler      [WEAK]
+                EXPORT  FLEX_INT2_IRQHandler      [WEAK]
+                EXPORT  FLEX_INT3_IRQHandler      [WEAK]
+                EXPORT  FLEX_INT4_IRQHandler      [WEAK]
+                EXPORT  FLEX_INT5_IRQHandler      [WEAK]
+                EXPORT  FLEX_INT6_IRQHandler      [WEAK]
+                EXPORT  FLEX_INT7_IRQHandler      [WEAK]
+                EXPORT  GINT0_IRQHandler          [WEAK]
+                EXPORT  GINT1_IRQHandler          [WEAK]
+                EXPORT  SSP1_IRQHandler           [WEAK]
+                EXPORT  I2C_IRQHandler            [WEAK]
+                EXPORT  TIMER16_0_IRQHandler      [WEAK]
+                EXPORT  TIMER16_1_IRQHandler      [WEAK]
+                EXPORT  TIMER32_0_IRQHandler      [WEAK]
+                EXPORT  TIMER32_1_IRQHandler      [WEAK]
+                EXPORT  SSP0_IRQHandler           [WEAK]
+                EXPORT  UART_IRQHandler           [WEAK]
+
+                EXPORT  USB_IRQHandler            [WEAK]
+                EXPORT  USB_FIQHandler            [WEAK]
+                EXPORT  ADC_IRQHandler            [WEAK]
+                EXPORT  WDT_IRQHandler            [WEAK]
+                EXPORT  BOD_IRQHandler            [WEAK]
+                EXPORT  FMC_IRQHandler            [WEAK]
+                EXPORT	USBWakeup_IRQHandler      [WEAK]
+
+NMI_Handler
+FLEX_INT0_IRQHandler
+FLEX_INT1_IRQHandler
+FLEX_INT2_IRQHandler
+FLEX_INT3_IRQHandler
+FLEX_INT4_IRQHandler
+FLEX_INT5_IRQHandler
+FLEX_INT6_IRQHandler
+FLEX_INT7_IRQHandler
+GINT0_IRQHandler
+GINT1_IRQHandler
+SSP1_IRQHandler
+I2C_IRQHandler
+TIMER16_0_IRQHandler
+TIMER16_1_IRQHandler
+TIMER32_0_IRQHandler
+TIMER32_1_IRQHandler
+SSP0_IRQHandler
+UART_IRQHandler
+USB_IRQHandler
+USB_FIQHandler
+ADC_IRQHandler
+WDT_IRQHandler
+BOD_IRQHandler
+FMC_IRQHandler
+USBWakeup_IRQHandler
+
+                B       .
+
+                ENDP
+
+                ALIGN
+                END
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/ARM/sys.cpp b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/ARM/sys.cpp
new file mode 100644
index 0000000000..2f1024ace8
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/ARM/sys.cpp
@@ -0,0 +1,31 @@
+/* mbed Microcontroller Library - stackheap
+ * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
+ * 
+ * Setup a fixed single stack/heap memory model, 
+ *  between the top of the RW/ZI region and the stackpointer
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+#include 
+#include 
+
+extern char Image$$RW_IRAM1$$ZI$$Limit[];
+
+extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
+    uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
+    uint32_t sp_limit = __current_sp();
+
+    zi_limit = (zi_limit + 7) & ~0x7;    // ensure zi_limit is 8-byte aligned
+
+    struct __initial_stackheap r;
+    r.heap_base = zi_limit;
+    r.heap_limit = sp_limit;
+    return r;
+}
+
+#ifdef __cplusplus
+}
+#endif 
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_ARM/LPC11U24.ld b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_ARM/LPC11U24.ld
new file mode 100644
index 0000000000..eb035c8ffb
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_ARM/LPC11U24.ld
@@ -0,0 +1,154 @@
+/* Linker script for mbed LPC1768 */
+
+/* Linker script to configure memory regions. */
+MEMORY
+{
+  FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 32K
+  RAM (rwx) : ORIGIN = 0x100000C0, LENGTH = 0xF40
+}
+
+/* Linker script to place sections and symbol values. Should be used together
+ * with other linker script that defines memory regions FLASH and RAM.
+ * It references following symbols, which must be defined in code:
+ *   Reset_Handler : Entry of reset handler
+ * 
+ * It defines following symbols, which code can use without definition:
+ *   __exidx_start
+ *   __exidx_end
+ *   __etext
+ *   __data_start__
+ *   __preinit_array_start
+ *   __preinit_array_end
+ *   __init_array_start
+ *   __init_array_end
+ *   __fini_array_start
+ *   __fini_array_end
+ *   __data_end__
+ *   __bss_start__
+ *   __bss_end__
+ *   __end__
+ *   end
+ *   __HeapLimit
+ *   __StackLimit
+ *   __StackTop
+ *   __stack
+ */
+ENTRY(Reset_Handler)
+
+SECTIONS
+{
+    .text :
+    {
+        KEEP(*(.isr_vector))
+        *(.text.Reset_Handler)
+        *(.text.SystemInit)
+        
+        /* Only vectors and code running at reset are safe to be in first 512
+           bytes since RAM can be mapped into this area for RAM based interrupt
+           vectors. */
+        . = 0x00000200;
+        *(.text*)
+
+        KEEP(*(.init))
+        KEEP(*(.fini))
+
+        /* .ctors */
+        *crtbegin.o(.ctors)
+        *crtbegin?.o(.ctors)
+        *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
+        *(SORT(.ctors.*))
+        *(.ctors)
+
+        /* .dtors */
+        *crtbegin.o(.dtors)
+        *crtbegin?.o(.dtors)
+        *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
+        *(SORT(.dtors.*))
+        *(.dtors)
+
+        *(.rodata*)
+
+        KEEP(*(.eh_frame*))
+    } > FLASH
+
+    .ARM.extab : 
+    {
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+    } > FLASH
+
+    __exidx_start = .;
+    .ARM.exidx :
+    {
+        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+    } > FLASH
+    __exidx_end = .;
+
+    __etext = .;
+        
+    .data : AT (__etext)
+    {
+        __data_start__ = .;
+        *(vtable)
+        *(.data*)
+
+        . = ALIGN(4);
+        /* preinit data */
+        PROVIDE (__preinit_array_start = .);
+        KEEP(*(.preinit_array))
+        PROVIDE (__preinit_array_end = .);
+
+        . = ALIGN(4);
+        /* init data */
+        PROVIDE (__init_array_start = .);
+        KEEP(*(SORT(.init_array.*)))
+        KEEP(*(.init_array))
+        PROVIDE (__init_array_end = .);
+
+
+        . = ALIGN(4);
+        /* finit data */
+        PROVIDE (__fini_array_start = .);
+        KEEP(*(SORT(.fini_array.*)))
+        KEEP(*(.fini_array))
+        PROVIDE (__fini_array_end = .);
+
+        . = ALIGN(4);
+        /* All data end */
+        __data_end__ = .;
+
+    } > RAM
+
+    .bss :
+    {
+        __bss_start__ = .;
+        *(.bss*)
+        *(COMMON)
+        __bss_end__ = .;
+    } > RAM
+    
+    .heap :
+    {
+        __end__ = .;
+        end = __end__;
+        *(.heap*)
+        __HeapLimit = .;
+    } > RAM
+
+    /* .stack_dummy section doesn't contains any symbols. It is only
+     * used for linker to calculate size of stack sections, and assign
+     * values to stack symbols later */
+    .stack_dummy :
+    {
+        *(.stack)
+    } > RAM
+
+    /* Set stack top to end of RAM, and stack limit move down by
+     * size of stack_dummy section */
+    __StackTop = ORIGIN(RAM) + LENGTH(RAM);
+    __StackLimit = __StackTop - SIZEOF(.stack_dummy);
+    PROVIDE(__stack = __StackTop);
+    
+    /* Check if data + heap + stack exceeds RAM limit */
+    ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
+}
+
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_ARM/startup_LPC11xx.s b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_ARM/startup_LPC11xx.s
new file mode 100644
index 0000000000..3ffdd07e58
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_ARM/startup_LPC11xx.s
@@ -0,0 +1,213 @@
+/* File: startup_ARMCM0.S
+ * Purpose: startup file for Cortex-M0 devices. Should use with 
+ *   GCC for ARM Embedded Processors
+ * Version: V1.2
+ * Date: 15 Nov 2011
+ * 
+ * Copyright (c) 2011, ARM Limited
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    * Neither the name of the ARM Limited nor the
+      names of its contributors may be used to endorse or promote products
+      derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ARM LIMITED BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+    .syntax unified
+    .arch armv6-m
+
+/* Memory Model
+   The HEAP starts at the end of the DATA section and grows upward.
+   
+   The STACK starts at the end of the RAM and grows downward.
+   
+   The HEAP and stack STACK are only checked at compile time:
+   (DATA_SIZE + HEAP_SIZE + STACK_SIZE) < RAM_SIZE
+   
+   This is just a check for the bare minimum for the Heap+Stack area before
+   aborting compilation, it is not the run time limit:
+   Heap_Size + Stack_Size = 0x80 + 0x80 = 0x100
+ */
+    .section .stack
+    .align 3
+#ifdef __STACK_SIZE
+    .equ    Stack_Size, __STACK_SIZE
+#else
+    .equ    Stack_Size, 0x80
+#endif
+    .globl    __StackTop
+    .globl    __StackLimit
+__StackLimit:
+    .space    Stack_Size
+    .size __StackLimit, . - __StackLimit
+__StackTop:
+    .size __StackTop, . - __StackTop
+
+    .section .heap
+    .align 3
+#ifdef __HEAP_SIZE
+    .equ    Heap_Size, __HEAP_SIZE
+#else
+    .equ    Heap_Size, 0x80
+#endif
+    .globl    __HeapBase
+    .globl    __HeapLimit
+__HeapBase:
+    .space    Heap_Size
+    .size __HeapBase, . - __HeapBase
+__HeapLimit:
+    .size __HeapLimit, . - __HeapLimit
+    
+    .section .isr_vector
+    .align 2
+    .globl __isr_vector
+__isr_vector:
+    .long    __StackTop            /* Top of Stack */
+    .long    Reset_Handler         /* Reset Handler */
+    .long    NMI_Handler           /* NMI Handler */
+    .long    HardFault_Handler     /* Hard Fault Handler */
+    .long    0                     /* Reserved */
+    .long    0                     /* Reserved */
+    .long    0                     /* Reserved */
+    .long    0                     /* Reserved */
+    .long    0                     /* Reserved */
+    .long    0                     /* Reserved */
+    .long    0                     /* Reserved */
+    .long    SVC_Handler           /* SVCall Handler */
+    .long    0                     /* Reserved */
+    .long    0                     /* Reserved */
+    .long    PendSV_Handler        /* PendSV Handler */
+    .long    SysTick_Handler       /* SysTick Handler */
+
+/* LPC11xx interrupts */
+    .long   WAKEUP_IRQHandler         /* 16  0 Wake-up on  pin  PIO0_0             */
+    .long   WAKEUP_IRQHandler         /* 17  1 Wake-up on  pin  PIO0_1             */
+    .long   WAKEUP_IRQHandler         /* 18  2 Wake-up on  pin  PIO0_2             */
+    .long   WAKEUP_IRQHandler         /* 19  3 Wake-up on  pin  PIO0_3             */
+    .long   WAKEUP_IRQHandler         /* 20  4 Wake-up on  pin  PIO0_4             */
+    .long   WAKEUP_IRQHandler         /* 21  5 Wake-up on  pin  PIO0_5             */
+    .long   WAKEUP_IRQHandler         /* 22  6 Wake-up on  pin  PIO0_6             */
+    .long   WAKEUP_IRQHandler         /* 23  7 Wake-up on  pin  PIO0_7             */
+    .long   WAKEUP_IRQHandler         /* 24  8 Wake-up on  pin  PIO0_8             */
+    .long   WAKEUP_IRQHandler         /* 25  9 Wake-up on  pin  PIO0_9             */
+    .long   WAKEUP_IRQHandler         /* 26 10 Wake-up on  pin  PIO0_10            */
+    .long   WAKEUP_IRQHandler         /* 27 11 Wake-up on  pin  PIO0_11            */
+    .long   WAKEUP_IRQHandler         /* 28 12 Wake-up on  pin  PIO1_0             */
+    .long   Default_Handler           /* 29 13                                     */
+    .long   SSP1_IRQHandler           /* 30 14 SSP1                                */
+    .long   I2C_IRQHandler            /* 31 15 I2C0 SI (state change)              */
+    .long   TIMER16_0_IRQHandler      /* 32 16 CT16B0 16 bit timer 0               */
+    .long   TIMER16_1_IRQHandler      /* 33 17 CT16B1 16 bit timer 1               */
+    .long   TIMER32_0_IRQHandler      /* 34 18 CT32B0 32 bit timer 0               */
+    .long   TIMER32_1_IRQHandler      /* 35 19 CT32B1 32 bit timer 1               */
+    .long   SSP0_IRQHandler           /* 36 20 SSP                                 */
+    .long   UART_IRQHandler           /* 37 21 UART                                */
+    .long   Default_Handler           /* 38 22                                     */
+    .long   Default_Handler           /* 39 23                                     */
+    .long   ADC_IRQHandler            /* 40 24 ADC end of conversion               */
+    .long   WDT_IRQHandler            /* 41 25 Watchdog interrupt (WDINT)          */
+    .long   BOD_IRQHandler            /* 42 26 BOD Brown-out detect                */
+    .long   Default_Handler           /* 43 27                                     */
+    .long   PIOINT3_IRQHandler        /* 44 28 PIO_3  GPIO interrupt status of port 3 */
+    .long   PIOINT2_IRQHandler        /* 45 29 PIO_2  GPIO interrupt status of port 2 */
+    .long   PIOINT1_IRQHandler        /* 46 30 PIO_1  GPIO interrupt status of port 1 */
+    .long   PIOINT0_IRQHandler        /* 47 31 PIO_0  GPIO interrupt status of port 0 */
+    
+    .size    __isr_vector, . - __isr_vector
+
+    .section .text.Reset_Handler
+    .thumb
+    .thumb_func
+    .align 2
+    .globl    Reset_Handler
+    .type    Reset_Handler, %function
+Reset_Handler:
+/*     Loop to copy data from read only memory to RAM. The ranges
+ *      of copy from/to are specified by following symbols evaluated in 
+ *      linker script.
+ *      __etext: End of code section, i.e., begin of data sections to copy from.
+ *      __data_start__/__data_end__: RAM address range that data should be
+ *      copied to. Both must be aligned to 4 bytes boundary.  */
+
+    ldr    r1, =__etext
+    ldr    r2, =__data_start__
+    ldr    r3, =__data_end__
+
+    subs    r3, r2
+    ble    .flash_to_ram_loop_end
+
+    movs    r4, 0
+.flash_to_ram_loop:
+    ldr    r0, [r1,r4]
+    str    r0, [r2,r4]
+    adds    r4, 4
+    cmp    r4, r3
+    blt    .flash_to_ram_loop
+.flash_to_ram_loop_end:
+
+    ldr    r0, =SystemInit
+    blx    r0
+    ldr    r0, =_start
+    bx    r0
+    .pool
+    .size Reset_Handler, . - Reset_Handler
+    
+    .text
+/*    Macro to define default handlers. Default handler
+ *    will be weak symbol and just dead loops. They can be
+ *    overwritten by other handlers */
+    .macro    def_default_handler    handler_name
+    .align 1
+    .thumb_func
+    .weak    \handler_name
+    .type    \handler_name, %function
+\handler_name :
+    b    .
+    .size    \handler_name, . - \handler_name
+    .endm
+    
+    def_default_handler    NMI_Handler
+    def_default_handler    HardFault_Handler
+    def_default_handler    SVC_Handler
+    def_default_handler    PendSV_Handler
+    def_default_handler    SysTick_Handler
+    def_default_handler    Default_Handler
+    
+    def_default_handler    WAKEUP_IRQHandler
+    def_default_handler    SSP1_IRQHandler
+    def_default_handler    I2C_IRQHandler
+    def_default_handler    TIMER16_0_IRQHandler
+    def_default_handler    TIMER16_1_IRQHandler
+    def_default_handler    TIMER32_0_IRQHandler
+    def_default_handler    TIMER32_1_IRQHandler
+    def_default_handler    SSP0_IRQHandler
+    def_default_handler    UART_IRQHandler
+    def_default_handler    ADC_IRQHandler
+    def_default_handler    WDT_IRQHandler
+    def_default_handler    BOD_IRQHandler
+    def_default_handler    PIOINT3_IRQHandler
+    def_default_handler    PIOINT2_IRQHandler
+    def_default_handler    PIOINT1_IRQHandler
+    def_default_handler    PIOINT0_IRQHandler
+
+    .weak    DEF_IRQHandler
+    .set    DEF_IRQHandler, Default_Handler
+
+    .end
+
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CR/LPC11U24.ld b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CR/LPC11U24.ld
new file mode 100644
index 0000000000..3ea5b6a2d3
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CR/LPC11U24.ld
@@ -0,0 +1,152 @@
+/* mbed - LPC11U24 linker script
+ * Based linker script generated by Code Red Technologies Red Suite 4.1
+ */
+GROUP(libgcc.a libc.a libstdc++.a libm.a libcr_newlib_nohost.a crti.o crtn.o crtbegin.o crtend.o)
+
+MEMORY
+{
+  /* Define each memory region */
+  MFlash32 (rx) : ORIGIN = 0x0, LENGTH = 0x8000 /* 32k */
+  RamLoc4 (rwx) : ORIGIN = 0x100000C0, LENGTH = 0xF40 /* 4k */
+  RamUsb2 (rwx) : ORIGIN = 0x20004000, LENGTH = 0x800 /* 2k */
+}
+  /* Define a symbol for the top of each memory region */
+  __top_MFlash32 = 0x0 + 0x8000;
+  __top_RamLoc4 = 0x10000000 + 0x1000;
+  __top_RamUsb2 = 0x20004000 + 0x800;
+
+ENTRY(ResetISR)
+
+SECTIONS
+{
+
+    /* MAIN TEXT SECTION */ 
+    .text : ALIGN(4)
+    {
+        FILL(0xff)
+        KEEP(*(.isr_vector))
+        
+        /* Global Section Table */
+        . = ALIGN(4) ;
+        __section_table_start = .;
+        __data_section_table = .;
+        LONG(LOADADDR(.data));
+        LONG(    ADDR(.data)) ;
+        LONG(  SIZEOF(.data));
+        LONG(LOADADDR(.data_RAM2));
+        LONG(    ADDR(.data_RAM2)) ;
+        LONG(  SIZEOF(.data_RAM2));
+        __data_section_table_end = .;
+        __bss_section_table = .;
+        LONG(    ADDR(.bss));
+        LONG(  SIZEOF(.bss));
+        LONG(    ADDR(.bss_RAM2));
+        LONG(  SIZEOF(.bss_RAM2));
+        __bss_section_table_end = .;
+        __section_table_end = . ;
+        /* End of Global Section Table */
+        
+
+        *(.after_vectors*)
+        
+        *(.text*)
+        *(.rodata .rodata.*)
+        . = ALIGN(4);
+        
+        /* C++ constructors etc */
+        . = ALIGN(4);
+        KEEP(*(.init))
+        
+        . = ALIGN(4);
+        __preinit_array_start = .;
+        KEEP (*(.preinit_array))
+        __preinit_array_end = .;
+        
+        . = ALIGN(4);
+        __init_array_start = .;
+        KEEP (*(SORT(.init_array.*)))
+        KEEP (*(.init_array))
+        __init_array_end = .;
+        
+        KEEP(*(.fini));
+        
+        . = ALIGN(0x4);
+        KEEP (*crtbegin.o(.ctors))
+        KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
+        KEEP (*(SORT(.ctors.*)))
+        KEEP (*crtend.o(.ctors))
+        
+        . = ALIGN(0x4);
+        KEEP (*crtbegin.o(.dtors))
+        KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+        KEEP (*(SORT(.dtors.*)))
+        KEEP (*crtend.o(.dtors))
+        /* End C++ */
+    } > MFlash32
+
+    /*
+     * for exception handling/unwind - some Newlib functions (in common
+     * with C++ and STDC++) use this.
+     */
+    .ARM.extab : ALIGN(4)
+    {
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+    } > MFlash32
+    __exidx_start = .;
+    
+    .ARM.exidx : ALIGN(4)
+    {
+        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+    } > MFlash32
+    __exidx_end = .;
+    
+    _etext = .;
+        
+    
+    .data_RAM2 : ALIGN(4)
+    {
+       FILL(0xff)
+        *(.data.$RAM2*)
+        *(.data.$RamUsb2*)
+       . = ALIGN(4) ;
+    } > RamUsb2 AT>MFlash32
+    
+    /* MAIN DATA SECTION */
+
+    .uninit_RESERVED : ALIGN(4)
+    {
+        KEEP(*(.bss.$RESERVED*))
+    } > RamLoc4
+
+    .data : ALIGN(4)
+    {
+        FILL(0xff)
+        _data = .;
+        *(vtable)
+        *(.data*)
+        . = ALIGN(4) ;
+        _edata = .;
+    } > RamLoc4 AT>MFlash32
+
+    
+    .bss_RAM2 : ALIGN(4)
+    {
+        *(.bss.$RAM2*)
+        *(.bss.$RamUsb2*)
+       . = ALIGN(4) ;
+    } > RamUsb2
+
+    /* MAIN BSS SECTION */
+    .bss : ALIGN(4)
+    {
+        _bss = .;
+        *(.bss*)
+        *(COMMON)
+        . = ALIGN(4) ;
+        _ebss = .;
+        PROVIDE(end = .);
+    } > RamLoc4
+    
+    PROVIDE(_pvHeapStart = .);
+    PROVIDE(_vStackTop = __top_RamLoc4 - 0);
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CR/startup_LPC11xx.cpp b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CR/startup_LPC11xx.cpp
new file mode 100644
index 0000000000..ffcb738df4
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CR/startup_LPC11xx.cpp
@@ -0,0 +1,161 @@
+extern "C" {
+
+#include "LPC11Uxx.h"
+
+#define WEAK          __attribute__ ((weak))
+#define ALIAS(f)      __attribute__ ((weak, alias (#f)))
+#define AFTER_VECTORS __attribute__ ((section(".after_vectors")))
+
+     void ResetISR            (void);
+WEAK void NMI_Handler         (void);
+WEAK void HardFault_Handler   (void);
+WEAK void SVCall_Handler      (void);
+WEAK void PendSV_Handler      (void);
+WEAK void SysTick_Handler     (void);
+WEAK void IntDefaultHandler   (void);
+     void FLEX_INT0_IRQHandler(void) ALIAS(IntDefaultHandler);
+     void FLEX_INT1_IRQHandler(void) ALIAS(IntDefaultHandler);
+     void FLEX_INT2_IRQHandler(void) ALIAS(IntDefaultHandler);
+     void FLEX_INT3_IRQHandler(void) ALIAS(IntDefaultHandler);
+     void FLEX_INT4_IRQHandler(void) ALIAS(IntDefaultHandler);
+     void FLEX_INT5_IRQHandler(void) ALIAS(IntDefaultHandler);
+     void FLEX_INT6_IRQHandler(void) ALIAS(IntDefaultHandler);
+     void FLEX_INT7_IRQHandler(void) ALIAS(IntDefaultHandler);
+     void GINT0_IRQHandler    (void) ALIAS(IntDefaultHandler);
+     void GINT1_IRQHandler    (void) ALIAS(IntDefaultHandler);
+     void SSP1_IRQHandler     (void) ALIAS(IntDefaultHandler);
+     void I2C_IRQHandler      (void) ALIAS(IntDefaultHandler);
+     void TIMER16_0_IRQHandler(void) ALIAS(IntDefaultHandler);
+     void TIMER16_1_IRQHandler(void) ALIAS(IntDefaultHandler);
+     void TIMER32_0_IRQHandler(void) ALIAS(IntDefaultHandler);
+     void TIMER32_1_IRQHandler(void) ALIAS(IntDefaultHandler);
+     void SSP0_IRQHandler     (void) ALIAS(IntDefaultHandler);
+     void UART_IRQHandler     (void) ALIAS(IntDefaultHandler);
+     void USB_IRQHandler      (void) ALIAS(IntDefaultHandler);
+     void USB_FIQHandler      (void) ALIAS(IntDefaultHandler);
+     void ADC_IRQHandler      (void) ALIAS(IntDefaultHandler);
+     void WDT_IRQHandler      (void) ALIAS(IntDefaultHandler);
+     void BOD_IRQHandler      (void) ALIAS(IntDefaultHandler);
+     void FMC_IRQHandler      (void) ALIAS(IntDefaultHandler);
+     void USBWakeup_IRQHandler(void) ALIAS(IntDefaultHandler);
+
+extern void __libc_init_array(void);
+extern int main(void);
+extern void _vStackTop(void);
+
+extern void (* const g_pfnVectors[])(void);
+__attribute__ ((section(".isr_vector")))
+void (* const g_pfnVectors[])(void) = {
+    &_vStackTop,
+    ResetISR,
+    NMI_Handler,
+    HardFault_Handler,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    0,
+    SVCall_Handler,
+    0,
+    0,
+    PendSV_Handler,
+    SysTick_Handler,
+    FLEX_INT0_IRQHandler,
+    FLEX_INT1_IRQHandler,
+    FLEX_INT2_IRQHandler,
+    FLEX_INT3_IRQHandler,
+    FLEX_INT4_IRQHandler,
+    FLEX_INT5_IRQHandler,
+    FLEX_INT6_IRQHandler,
+    FLEX_INT7_IRQHandler,
+    GINT0_IRQHandler,
+    GINT1_IRQHandler,
+    0,
+    0,
+    0,
+    0,
+    SSP1_IRQHandler,
+    I2C_IRQHandler,
+    TIMER16_0_IRQHandler,
+    TIMER16_1_IRQHandler,
+    TIMER32_0_IRQHandler,
+    TIMER32_1_IRQHandler,
+    SSP0_IRQHandler,
+    UART_IRQHandler,
+    USB_IRQHandler,
+    USB_FIQHandler,
+    ADC_IRQHandler,
+    WDT_IRQHandler,
+    BOD_IRQHandler,
+    FMC_IRQHandler,
+    0,
+    0,
+    USBWakeup_IRQHandler,
+    0,
+};
+
+AFTER_VECTORS void data_init(unsigned int romstart, unsigned int start, unsigned int len) {
+    unsigned int *pulDest = (unsigned int*) start;
+    unsigned int *pulSrc = (unsigned int*) romstart;
+    unsigned int loop;
+    for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = *pulSrc++;
+}
+
+AFTER_VECTORS void bss_init(unsigned int start, unsigned int len) {
+    unsigned int *pulDest = (unsigned int*) start;
+    unsigned int loop;
+    for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = 0;
+}
+
+extern unsigned int __data_section_table;
+extern unsigned int __data_section_table_end;
+extern unsigned int __bss_section_table_end;
+
+AFTER_VECTORS void ResetISR(void) {
+    unsigned int LoadAddr, ExeAddr, SectionLen;
+    unsigned int *SectionTableAddr;
+    
+    // Data Init
+    SectionTableAddr = &__data_section_table;
+    while (SectionTableAddr < &__data_section_table_end) {
+        LoadAddr = *SectionTableAddr++;
+        ExeAddr = *SectionTableAddr++;
+        SectionLen = *SectionTableAddr++;
+        data_init(LoadAddr, ExeAddr, SectionLen);
+    }
+    
+    // BSS Init
+    while (SectionTableAddr < &__bss_section_table_end) {
+        ExeAddr = *SectionTableAddr++;
+        SectionLen = *SectionTableAddr++;
+        bss_init(ExeAddr, SectionLen);
+    }
+    
+    SystemInit();
+    __libc_init_array();
+    main();
+    while (1) {;}
+}
+
+AFTER_VECTORS void NMI_Handler      (void) {while(1){}}
+AFTER_VECTORS void HardFault_Handler(void) {while(1){}}
+AFTER_VECTORS void SVCall_Handler   (void) {while(1){}}
+AFTER_VECTORS void PendSV_Handler   (void) {while(1){}}
+AFTER_VECTORS void SysTick_Handler  (void) {while(1){}}
+AFTER_VECTORS void IntDefaultHandler(void) {while(1){}}
+
+#include 
+
+void *operator new  (size_t size) {return malloc(size);}
+void *operator new[](size_t size) {return malloc(size);}
+
+void operator delete  (void *p) {free(p);}
+void operator delete[](void *p) {free(p);}
+
+int __aeabi_atexit(void *object, void (*destructor)(void *), void *dso_handle) {
+    return 0;
+}
+
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CS/LPC11U24.ld b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CS/LPC11U24.ld
new file mode 100644
index 0000000000..dd5b73d31f
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CS/LPC11U24.ld
@@ -0,0 +1,206 @@
+/* Linker script for mbed LPC1768
+ *
+ * Version:CodeSourcery Sourcery G++ Lite 2007q3-53
+ * BugURL:https://support.codesourcery.com/GNUToolchain/
+ *
+ *  Copyright 2007 CodeSourcery.
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply. */
+
+OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
+ENTRY(__cs3_reset_cortex_m)
+SEARCH_DIR(.)
+
+/*
+ram ORIGIN: 8_byte_aligned(48 vect * 4 bytes) =  8_byte_aligned(0xC0) = 0xC0
+ram LENGTH: 8KB - 0xC0 = 0xF40
+*/
+MEMORY
+{
+  rom (rx)  : ORIGIN = 0x00000000, LENGTH = 32K
+  
+  ram (rwx) : ORIGIN = 0x100000C0, LENGTH = 0xF40
+}
+
+/* These force the linker to search for particular symbols from
+ * the start of the link process and thus ensure the user's
+ * overrides are picked up
+ */
+EXTERN(__cs3_reset_cortex_m)
+EXTERN(__cs3_interrupt_vector_cortex_m)
+EXTERN(__cs3_start_c main __cs3_stack __cs3_stack_size __cs3_heap_end)
+
+PROVIDE(__cs3_stack = __cs3_region_start_ram + __cs3_region_size_ram);
+PROVIDE(__cs3_stack_size = __cs3_region_start_ram + __cs3_region_size_ram - _end);
+PROVIDE(__cs3_heap_start = _end);
+PROVIDE(__cs3_heap_end = __cs3_region_start_ram + __cs3_region_size_ram);
+
+SECTIONS
+{
+  .text :
+  {
+    CREATE_OBJECT_SYMBOLS
+    __cs3_region_start_rom = .;
+    *(.cs3.region-head.rom)
+    __cs3_interrupt_vector = __cs3_interrupt_vector_cortex_m;
+    *(.cs3.interrupt_vector)
+    /* Make sure we pulled in an interrupt vector.  */
+    ASSERT (. != __cs3_interrupt_vector_cortex_m, "No interrupt vector");
+    *(.rom)
+    *(.rom.b)
+
+    __cs3_reset = __cs3_reset_cortex_m;
+    *(.cs3.reset)
+    /* Make sure we pulled in some reset code.  */
+    ASSERT (. != __cs3_reset, "No reset code");
+
+    *(.text .text.* .gnu.linkonce.t.*)
+    *(.plt)
+    *(.gnu.warning)
+    *(.glue_7t) *(.glue_7) *(.vfp11_veneer)
+
+    *(.rodata .rodata.* .gnu.linkonce.r.*)
+
+    *(.ARM.extab* .gnu.linkonce.armextab.*)
+    *(.gcc_except_table)
+    *(.eh_frame_hdr)
+    *(.eh_frame)
+
+    . = ALIGN(4);
+    KEEP(*(.init))
+
+    . = ALIGN(4);
+    __preinit_array_start = .;
+    KEEP (*(.preinit_array))
+    __preinit_array_end = .;
+
+    . = ALIGN(4);
+    __init_array_start = .;
+    KEEP (*(SORT(.init_array.*)))
+    KEEP (*(.init_array))
+    __init_array_end = .;
+
+    . = ALIGN(0x4);
+    KEEP (*crtbegin.o(.ctors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*crtend.o(.ctors))
+
+    . = ALIGN(4);
+    KEEP(*(.fini))
+
+    . = ALIGN(4);
+    __fini_array_start = .;
+    KEEP (*(.fini_array))
+    KEEP (*(SORT(.fini_array.*)))
+    __fini_array_end = .;
+
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*crtend.o(.dtors))
+
+    . = ALIGN(4);
+    __cs3_regions = .;
+    LONG (0)
+    LONG (__cs3_region_init_ram)
+    LONG (__cs3_region_start_ram)
+    LONG (__cs3_region_init_size_ram)
+    LONG (__cs3_region_zero_size_ram)
+  }
+
+  /* .ARM.exidx is sorted, so has to go in its own output section.  */
+  __exidx_start = .;
+  .ARM.exidx :
+  {
+    *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+  } >rom
+  __exidx_end = .;
+  .text.align :
+  {
+    . = ALIGN(8);
+    _etext = .;
+  } >rom
+  __cs3_region_size_rom = LENGTH(rom);
+  __cs3_region_num = 1;
+  
+  .data :
+  {
+    __cs3_region_start_ram = .;
+    *(.cs3.region-head.ram)
+    KEEP(*(.jcr))
+    *(.got.plt) *(.got)
+    *(.shdata)
+    *(.data .data.* .gnu.linkonce.d.*)
+    *(.ram)
+    . = ALIGN (8);
+    _edata = .;
+  } >ram AT>rom
+  .bss :
+  {
+    *(.shbss)
+    *(.bss .bss.* .gnu.linkonce.b.*)
+    *(COMMON)
+    *(.ram.b)
+    . = ALIGN (8);
+    _end = .;
+    __end = .;
+  } >ram AT>rom
+  
+  .heap (NOLOAD) :
+  {
+    *(.heap)
+  } >ram
+  .stack (__cs3_stack - __cs3_stack_size) (NOLOAD):
+  {
+    *(.stack)
+    _estack = .;
+    PROVIDE(estack = .);
+  } >ram
+
+  __cs3_region_init_ram = LOADADDR (.data);
+  __cs3_region_init_size_ram = _edata - __cs3_region_start_ram;
+  __cs3_region_zero_size_ram = _end - _edata;
+  __cs3_region_size_ram = LENGTH(ram);
+  __cs3_region_num = 1;
+
+  .stab 0 (NOLOAD) : { *(.stab) }
+  .stabstr 0 (NOLOAD) : { *(.stabstr) }
+  /* DWARF debug sections.
+   * Symbols in the DWARF debugging sections are relative to the beginning
+   * of the section so we begin them at 0.  */
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev   0 : { *(.debug_abbrev) }
+  .debug_line     0 : { *(.debug_line) }
+  .debug_frame    0 : { *(.debug_frame) }
+  .debug_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) }
+  .debug_funcnames 0 : { *(.debug_funcnames) }
+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+
+  .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
+  .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }
+  /DISCARD/ : { *(.note.GNU-stack) }
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CS/startup_LPC11xx.s b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CS/startup_LPC11xx.s
new file mode 100644
index 0000000000..cc8ab7bc24
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CS/startup_LPC11xx.s
@@ -0,0 +1,112 @@
+    .equ    Stack_Size, 0x80
+    .section ".stack", "w"
+    .align  3
+    .globl  __cs3_stack_mem
+    .globl  __cs3_stack_size
+__cs3_stack_mem:
+    .if     Stack_Size
+    .space  Stack_Size
+    .endif
+    .size   __cs3_stack_mem,  . - __cs3_stack_mem
+    .set    __cs3_stack_size, . - __cs3_stack_mem
+
+    .equ    Heap_Size,  0x80
+    .section ".heap", "w"
+    .align  3
+    .globl  __cs3_heap_start
+    .globl  __cs3_heap_end
+__cs3_heap_start:
+    .if     Heap_Size
+    .space  Heap_Size
+    .endif
+__cs3_heap_end:
+
+    .section ".cs3.interrupt_vector"
+    .globl  __cs3_interrupt_vector_cortex_m
+    .type   __cs3_interrupt_vector_cortex_m, %object
+
+__cs3_interrupt_vector_cortex_m:
+    .long   __cs3_stack
+    .long   __cs3_reset
+    .long   NMI_Handler
+    .long   HardFault_Handler
+    .long   0
+    .long   0
+    .long   0
+    .long   0
+    .long   0
+    .long   0
+    .long   0
+    .long   SVC_Handler
+    .long   0
+    .long   0
+    .long   PendSV_Handler
+    .long   SysTick_Handler
+
+    .long   DEF_IRQHandler
+
+    .size   __cs3_interrupt_vector_cortex_m, . - __cs3_interrupt_vector_cortex_m
+
+    .thumb
+
+    .section .cs3.reset,"x",%progbits
+    .thumb_func
+    .globl  __cs3_reset_cortex_m
+    .type   __cs3_reset_cortex_m, %function
+__cs3_reset_cortex_m:
+    .fnstart
+    LDR     R0, =SystemInit
+    BLX     R0
+    LDR     R0,=__cs3_start_c
+    BX      R0
+    .pool
+    .cantunwind
+    .fnend
+    .size   __cs3_reset_cortex_m,.-__cs3_reset_cortex_m
+
+    .section ".text"
+
+    .weak   NMI_Handler
+    .type   NMI_Handler, %function
+NMI_Handler:
+    B       .
+    .size   NMI_Handler, . - NMI_Handler
+
+    .weak   HardFault_Handler
+    .type   HardFault_Handler, %function
+HardFault_Handler:
+    B       .
+    .size   HardFault_Handler, . - HardFault_Handler
+
+    .weak   SVC_Handler
+    .type   SVC_Handler, %function
+SVC_Handler:
+    B       .
+    .size   SVC_Handler, . - SVC_Handler
+
+    .weak   PendSV_Handler
+    .type   PendSV_Handler, %function
+PendSV_Handler:
+    B       .
+    .size   PendSV_Handler, . - PendSV_Handler
+
+    .weak   SysTick_Handler
+    .type   SysTick_Handler, %function
+SysTick_Handler:
+    B       .
+    .size   SysTick_Handler, . - SysTick_Handler
+
+    .globl  Default_Handler
+    .type   Default_Handler, %function
+Default_Handler:
+    B       .
+    .size   Default_Handler, . - Default_Handler
+
+    .macro  IRQ handler
+    .weak   \handler
+    .set    \handler, Default_Handler
+    .endm
+
+    IRQ     DEF_IRQHandler
+
+    .end
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CS/sys.cpp b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CS/sys.cpp
new file mode 100644
index 0000000000..e4ec5b523a
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/GCC_CS/sys.cpp
@@ -0,0 +1,83 @@
+#include "cmsis.h"
+#include 
+#include 
+
+extern "C" {
+
+struct SCS3Regions {
+    unsigned long   Dummy;
+    unsigned long*  InitRam;
+    unsigned long*  StartRam;
+    unsigned long   InitSizeRam;
+    unsigned long   ZeroSizeRam;
+};
+
+extern unsigned long __cs3_regions;
+extern unsigned long __cs3_heap_start;
+
+int  main(void);
+void __libc_init_array(void);
+void exit(int ErrorCode);
+
+static void *heap_pointer = NULL;
+
+void __cs3_start_c(void) {
+    static SCS3Regions* pCS3Regions = (SCS3Regions*)&__cs3_regions;
+    unsigned long* pulDest;
+    unsigned long* pulSrc;
+    unsigned long  ByteCount;
+    unsigned long  i;
+    
+    pulSrc = pCS3Regions->InitRam;
+    pulDest = pCS3Regions->StartRam;
+    ByteCount = pCS3Regions->InitSizeRam;
+    if (pulSrc != pulDest) {
+        for(i = 0 ; i < ByteCount ; i += sizeof(unsigned long)) {
+            *(pulDest++) = *(pulSrc++);
+        }
+    } else {
+        pulDest = (unsigned long*)(void*)((char*)pulDest + ByteCount);
+    }
+    
+    ByteCount = pCS3Regions->ZeroSizeRam;
+    for(i = 0 ; i < ByteCount ; i += sizeof(unsigned long)) {
+        *(pulDest++) = 0;
+    }
+    
+    heap_pointer = &__cs3_heap_start;
+     __libc_init_array();
+    exit(main());
+}
+
+int _kill(int pid, int sig) {
+    errno = EINVAL;
+    return -1;
+}
+
+void _exit(int status) {
+    exit(status);
+}
+
+int _getpid(void) {
+    return 1;
+}
+
+void *_sbrk(unsigned int incr) {
+    void *mem;
+    
+    unsigned int next = ((((unsigned int)heap_pointer + incr) + 7) & ~7);
+    if (next > __get_MSP()) {
+        mem = NULL;
+    } else {
+        mem = (void *)heap_pointer;
+    }
+    heap_pointer = (void *)next;
+    
+    return mem;
+}
+
+int _isatty(int file) {
+    return (file < 3) ? 1 : 0;
+}
+
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/LPC11Uxx.h b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/LPC11Uxx.h
new file mode 100644
index 0000000000..bc3f737aa6
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/LPC11Uxx.h
@@ -0,0 +1,670 @@
+
+/****************************************************************************************************//**
+ * @file     LPC11Uxx.h
+ *
+ *
+ * @brief    CMSIS Cortex-M0 Core Peripheral Access Layer Header File for
+ *           default LPC11Uxx Device Series
+ *
+ * @version  V0.1
+ * @date     21. March 2011
+ *
+ * @note     Generated with SFDGen V2.6 Build 3j (beta) on Thursday, 17.03.2011 13:19:45
+ *
+ *           from CMSIS SVD File 'LPC11U1x_svd.xml' Version 0.1,
+ *           created on Wednesday, 16.03.2011 20:30:42, last modified on Thursday, 17.03.2011 20:19:40
+ *
+ *******************************************************************************************************/
+
+// ################################################################################
+// Minor fix 8 April 2011 - changed LPC_CT32B1_BASE from 0x40014000 to 0x40018000
+// ################################################################################
+
+/** @addtogroup NXP
+  * @{
+  */
+
+/** @addtogroup LPC11Uxx
+  * @{
+  */
+
+#ifndef __LPC11UXX_H__
+#define __LPC11UXX_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+
+#if defined ( __CC_ARM   )
+  #pragma anon_unions
+#endif
+
+ /* Interrupt Number Definition */
+
+typedef enum {
+// -------------------------  Cortex-M0 Processor Exceptions Numbers  -----------------------------
+  Reset_IRQn                        = -15,  /*!<   1  Reset Vector, invoked on Power up and warm reset */
+  NonMaskableInt_IRQn               = -14,  /*!<   2  Non maskable Interrupt, cannot be stopped or preempted */
+  HardFault_IRQn                    = -13,  /*!<   3  Hard Fault, all classes of Fault */
+  SVCall_IRQn                       = -5,   /*!<  11  System Service Call via SVC instruction */
+  DebugMonitor_IRQn                 = -4,   /*!<  12  Debug Monitor                    */
+  PendSV_IRQn                       = -2,   /*!<  14  Pendable request for system service */
+  SysTick_IRQn                      = -1,   /*!<  15  System Tick Timer                */
+// ---------------------------  LPC11Uxx Specific Interrupt Numbers  ------------------------------
+FLEX_INT0_IRQn                = 0,        /*!< All I/O pins can be routed to below 8 interrupts. */
+  FLEX_INT1_IRQn                = 1,
+  FLEX_INT2_IRQn                = 2,
+  FLEX_INT3_IRQn                = 3,
+  FLEX_INT4_IRQn                = 4,   
+  FLEX_INT5_IRQn                = 5,        
+  FLEX_INT6_IRQn                = 6,        
+  FLEX_INT7_IRQn                = 7,        
+  GINT0_IRQn                    = 8,        /*!< Grouped Interrupt 0                              */
+  GINT1_IRQn                    = 9,        /*!< Grouped Interrupt 1                              */
+  Reserved0_IRQn                = 10,       /*!< Reserved Interrupt                               */
+  Reserved1_IRQn                = 11,       
+  Reserved2_IRQn                = 12,       
+  Reserved3_IRQn                = 13,       
+  SSP1_IRQn                     = 14,       /*!< SSP1 Interrupt                                   */
+  I2C_IRQn                      = 15,       /*!< I2C Interrupt                                    */
+  TIMER_16_0_IRQn               = 16,       /*!< 16-bit Timer0 Interrupt                          */
+  TIMER_16_1_IRQn               = 17,       /*!< 16-bit Timer1 Interrupt                          */
+  TIMER_32_0_IRQn               = 18,       /*!< 32-bit Timer0 Interrupt                          */
+  TIMER_32_1_IRQn               = 19,       /*!< 32-bit Timer1 Interrupt                          */
+  SSP0_IRQn                     = 20,       /*!< SSP0 Interrupt                                   */
+  UART_IRQn                     = 21,       /*!< UART Interrupt                                   */
+  USB_IRQn                      = 22,       /*!< USB IRQ Interrupt                                */
+  USB_FIQn                      = 23,       /*!< USB FIQ Interrupt                                */
+  ADC_IRQn                      = 24,       /*!< A/D Converter Interrupt                          */
+  WDT_IRQn                      = 25,       /*!< Watchdog timer Interrupt                         */  
+  BOD_IRQn                      = 26,       /*!< Brown Out Detect(BOD) Interrupt                  */
+  FMC_IRQn                      = 27,       /*!< Flash Memory Controller Interrupt                */
+  Reserved4_IRQn                = 28,       /*!< Reserved Interrupt                               */
+  Reserved5_IRQn                = 29,       /*!< Reserved Interrupt                               */
+  USBWakeup_IRQn                = 30,       /*!< USB wakeup Interrupt                             */
+  Reserved6_IRQn                = 31,       /*!< Reserved Interrupt                               */
+} IRQn_Type;
+
+
+/** @addtogroup Configuration_of_CMSIS
+  * @{
+  */
+
+/* Processor and Core Peripheral Section */ /* Configuration of the Cortex-M0 Processor and Core Peripherals */
+
+#define __MPU_PRESENT             0         /*!< MPU present or not                    */
+#define __NVIC_PRIO_BITS          3         /*!< Number of Bits used for Priority Levels */
+#define __Vendor_SysTickConfig    0         /*!< Set to 1 if different SysTick Config is used */
+/** @} */ /* End of group Configuration_of_CMSIS */
+
+#include "core_cm0.h"                       /*!< Cortex-M0 processor and core peripherals */
+#include "system_LPC11Uxx.h"                /*!< LPC11Uxx System                       */
+
+/** @addtogroup Device_Peripheral_Registers
+  * @{
+  */
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                          I2C                                         -----
+// ------------------------------------------------------------------------------------------------
+
+
+/**
+  * @brief Product name title=UM10462 Chapter title=LPC11U1x I2C-bus controller Modification date=3/16/2011 Major revision=0 Minor revision=3  (I2C)
+  */
+
+typedef struct {                            /*!< (@ 0x40000000) I2C Structure          */
+  __IO uint32_t CONSET;                     /*!< (@ 0x40000000) I2C Control Set Register */
+  __I  uint32_t STAT;                       /*!< (@ 0x40000004) I2C Status Register */
+  __IO uint32_t DAT;                        /*!< (@ 0x40000008) I2C Data Register.  */
+  __IO uint32_t ADR0;                       /*!< (@ 0x4000000C) I2C Slave Address Register 0 */
+  __IO uint32_t SCLH;                       /*!< (@ 0x40000010) SCH Duty Cycle Register High Half Word */
+  __IO uint32_t SCLL;                       /*!< (@ 0x40000014) SCL Duty Cycle Register Low Half Word */
+  __IO uint32_t CONCLR;                     /*!< (@ 0x40000018) I2C Control Clear Register*/
+  __IO uint32_t MMCTRL;                     /*!< (@ 0x4000001C) Monitor mode control register*/
+  __IO uint32_t ADR1;                       /*!< (@ 0x40000020) I2C Slave Address Register 1*/
+  __IO uint32_t ADR2;                       /*!< (@ 0x40000024) I2C Slave Address Register 2*/
+  __IO uint32_t ADR3;                       /*!< (@ 0x40000028) I2C Slave Address Register 3*/
+  __I  uint32_t DATA_BUFFER;                /*!< (@ 0x4000002C) Data buffer register */
+union{
+  __IO uint32_t MASK[4];                    /*!< (@ 0x40000030) I2C Slave address mask register */
+  struct{
+  __IO uint32_t MASK0;
+  __IO uint32_t MASK1;
+  __IO uint32_t MASK2;
+  __IO uint32_t MASK3;
+  };
+  };
+} LPC_I2C_Type;
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                         WWDT                                         -----
+// ------------------------------------------------------------------------------------------------
+
+
+/**
+  * @brief Product name title=UM10462 Chapter title=LPC11U1x Windowed Watchdog Timer (WWDT) Modification date=3/16/2011 Major revision=0 Minor revision=3  (WWDT)
+  */
+
+typedef struct {                            /*!< (@ 0x40004000) WWDT Structure         */
+  __IO uint32_t MOD;                        /*!< (@ 0x40004000) Watchdog mode register*/
+  __IO uint32_t TC;                         /*!< (@ 0x40004004) Watchdog timer constant register */
+  __IO uint32_t FEED;                       /*!< (@ 0x40004008) Watchdog feed sequence register */
+  __I  uint32_t TV;                         /*!< (@ 0x4000400C) Watchdog timer value register */
+  __IO uint32_t CLKSEL;                     /*!< (@ 0x40004010) Watchdog clock select register. */
+  __IO uint32_t WARNINT;                    /*!< (@ 0x40004014) Watchdog Warning Interrupt compare value. */
+  __IO uint32_t WINDOW;                     /*!< (@ 0x40004018) Watchdog Window compare value. */
+} LPC_WWDT_Type;
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                         USART                                        -----
+// ------------------------------------------------------------------------------------------------
+
+
+/**
+  * @brief Product name title=UM10462 Chapter title=LPC11U1x USART Modification date=3/16/2011 Major revision=0 Minor revision=3  (USART)
+  */
+
+typedef struct {                            /*!< (@ 0x40008000) USART Structure        */
+  
+  union {
+    __IO uint32_t DLL;                      /*!< (@ 0x40008000) Divisor Latch LSB. Least significant byte of the baud rate divisor value. The full divisor is used to generate a baud rate from the fractional rate divider. (DLAB=1) */
+    __O  uint32_t THR;                      /*!< (@ 0x40008000) Transmit Holding Register. The next character to be transmitted is written here. (DLAB=0) */
+    __I  uint32_t RBR;                      /*!< (@ 0x40008000) Receiver Buffer Register. Contains the next received character to be read. (DLAB=0) */
+  };
+  
+  union {
+    __IO uint32_t IER;                      /*!< (@ 0x40008004) Interrupt Enable Register. Contains individual interrupt enable bits for the 7 potential USART interrupts. (DLAB=0) */
+    __IO uint32_t DLM;                      /*!< (@ 0x40008004) Divisor Latch MSB. Most significant byte of the baud rate divisor value. The full divisor is used to generate a baud rate from the fractional rate divider. (DLAB=1) */
+  };
+  
+  union {
+    __O  uint32_t FCR;                      /*!< (@ 0x40008008) FIFO Control Register. Controls USART FIFO usage and modes. */
+    __I  uint32_t IIR;                      /*!< (@ 0x40008008) Interrupt ID Register. Identifies which interrupt(s) are pending. */
+  };
+  __IO uint32_t LCR;                        /*!< (@ 0x4000800C) Line Control Register. Contains controls for frame formatting and break generation. */
+  __IO uint32_t MCR;                        /*!< (@ 0x40008010) Modem Control Register. */
+  __I  uint32_t LSR;                        /*!< (@ 0x40008014) Line Status Register. Contains flags for transmit and receive status, including line errors. */
+  __I  uint32_t MSR;                        /*!< (@ 0x40008018) Modem Status Register. */
+  __IO uint32_t SCR;                        /*!< (@ 0x4000801C) Scratch Pad Register. Eight-bit temporary storage for software. */
+  __IO uint32_t ACR;                        /*!< (@ 0x40008020) Auto-baud Control Register. Contains controls for the auto-baud feature. */
+  __IO uint32_t ICR;                        /*!< (@ 0x40008024) IrDA Control Register. Enables and configures the IrDA (remote control) mode. */
+  __IO uint32_t FDR;                        /*!< (@ 0x40008028) Fractional Divider Register. Generates a clock input for the baud rate divider. */
+  __IO uint32_t OSR;                        /*!< (@ 0x4000802C) Oversampling Register. Controls the degree of oversampling during each bit time. */
+  __IO uint32_t TER;                        /*!< (@ 0x40008030) Transmit Enable Register. Turns off USART transmitter for use with software flow control. */
+  __I  uint32_t RESERVED0[3];
+  __IO uint32_t HDEN;                       /*!< (@ 0x40008040) Half duplex enable register. */
+  __I  uint32_t RESERVED1;
+  __IO uint32_t SCICTRL;                    /*!< (@ 0x40008048) Smart Card Interface Control register. Enables and configures the Smart Card Interface feature. */
+  __IO uint32_t RS485CTRL;                  /*!< (@ 0x4000804C) RS-485/EIA-485 Control. Contains controls to configure various aspects of RS-485/EIA-485 modes. */
+  __IO uint32_t RS485ADRMATCH;              /*!< (@ 0x40008050) RS-485/EIA-485 address match. Contains the address match value for RS-485/EIA-485 mode. */
+  __IO uint32_t RS485DLY;                   /*!< (@ 0x40008054) RS-485/EIA-485 direction control delay. */
+  __IO uint32_t SYNCCTRL; 
+} LPC_USART_Type;
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                        Timer                                       -----
+// ------------------------------------------------------------------------------------------------
+
+
+/**
+  * @brief Product name title=UM10462 Chapter title=LPC11U1x 32-bitcounter/timers CT32B0/1 Modification date=3/16/2011 Major revision=0 Minor revision=3  
+  */
+
+typedef struct {                            /*!< (@ 0x40014000) CT32B0 Structure        */
+  __IO uint32_t IR;                         /*!< (@ 0x40014000) Interrupt Register      */
+  __IO uint32_t TCR;                        /*!< (@ 0x40014004) Timer Control Register  */
+  __IO uint32_t TC;                         /*!< (@ 0x40014008) Timer Counter 		*/
+  __IO uint32_t PR;                         /*!< (@ 0x4001400C) Prescale Register  	*/
+  __IO uint32_t PC;                         /*!< (@ 0x40014010) Prescale Counter	 */
+  __IO uint32_t MCR;                        /*!< (@ 0x40014014) Match Control Register */
+  union {
+  __IO uint32_t MR[4];                      /*!< (@ 0x40014018) Match Register */
+  struct{
+  __IO uint32_t MR0;                        /*!< (@ 0x40018018) Match Register. MR0 */
+  __IO uint32_t MR1;                        /*!< (@ 0x4001801C) Match Register. MR1 */
+  __IO uint32_t MR2;                        /*!< (@ 0x40018020) Match Register. MR2 */
+  __IO uint32_t MR3;                        /*!< (@ 0x40018024) Match Register. MR3 */
+  };
+  };
+  __IO uint32_t CCR;                        /*!< (@ 0x40014028) Capture Control Register */
+  union{
+  __I  uint32_t CR[4];                      /*!< (@ 0x4001402C) Capture Register  */
+    struct{
+  __I  uint32_t CR0;			    /*!< (@ 0x4001802C) Capture Register. CR 0 */
+  __I  uint32_t CR1;			    /*!< (@ 0x40018030) Capture Register. CR 1 */
+  __I  uint32_t CR2;			    /*!< (@ 0x40018034) Capture Register. CR 2 */
+  __I  uint32_t CR3;			    /*!< (@ 0x40018038) Capture Register. CR 3 */
+  };
+  };
+__IO uint32_t EMR;                        /*!< (@ 0x4001403C) External Match Register */
+  __I  uint32_t RESERVED0[12];
+  __IO uint32_t CTCR;                       /*!< (@ 0x40014070) Count Control Register */
+  __IO uint32_t PWMC;                       /*!< (@ 0x40014074) PWM Control Register */
+} LPC_CTxxBx_Type;
+
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                          ADC                                         -----
+// ------------------------------------------------------------------------------------------------
+
+
+/**
+  * @brief Product name title=UM10462 Chapter title=LPC11U1x ADC Modification date=3/16/2011 Major revision=0 Minor revision=3  (ADC)
+  */
+
+typedef struct {                            /*!< (@ 0x4001C000) ADC Structure          */
+  __IO uint32_t CR;                         /*!< (@ 0x4001C000) A/D Control Register */
+  __IO uint32_t GDR;                        /*!< (@ 0x4001C004) A/D Global Data Register */
+  __I  uint32_t RESERVED0[1];
+  __IO uint32_t INTEN;                      /*!< (@ 0x4001C00C) A/D Interrupt Enable Register */
+  union{
+  __I  uint32_t DR[8];                      /*!< (@ 0x4001C010) A/D Channel Data Register*/
+    struct{
+  __IO uint32_t DR0;                      	/*!< (@ 0x40020010) A/D Channel Data Register 0*/
+  __IO uint32_t DR1;                      	/*!< (@ 0x40020014) A/D Channel Data Register 1*/
+  __IO uint32_t DR2;                      	/*!< (@ 0x40020018) A/D Channel Data Register 2*/
+  __IO uint32_t DR3;                      	/*!< (@ 0x4002001C) A/D Channel Data Register 3*/
+  __IO uint32_t DR4;                      	/*!< (@ 0x40020020) A/D Channel Data Register 4*/
+  __IO uint32_t DR5;                      	/*!< (@ 0x40020024) A/D Channel Data Register 5*/
+  __IO uint32_t DR6;                      	/*!< (@ 0x40020028) A/D Channel Data Register 6*/
+  __IO uint32_t DR7;                      	/*!< (@ 0x4002002C) A/D Channel Data Register 7*/
+  };
+  };
+  __I  uint32_t STAT;                       /*!< (@ 0x4001C030) A/D Status Register.  */
+} LPC_ADC_Type;
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                          PMU                                         -----
+// ------------------------------------------------------------------------------------------------
+
+
+/**
+  * @brief Product name title=UM10462 Chapter title=LPC11U1x Power Management Unit (PMU) Modification date=3/16/2011 Major revision=0 Minor revision=3  (PMU)
+  */
+
+typedef struct {                            /*!< (@ 0x40038000) PMU Structure          */
+  __IO uint32_t PCON;                       /*!< (@ 0x40038000) Power control register */
+  union{
+  __IO uint32_t GPREG[4];                   /*!< (@ 0x40038004) General purpose register 0 */
+  struct{
+  __IO uint32_t GPREG0;                   	/*!< (@ 0x40038004) General purpose register 0 */
+  __IO uint32_t GPREG1;                   	/*!< (@ 0x40038008) General purpose register 1 */
+  __IO uint32_t GPREG2;                   	/*!< (@ 0x4003800C) General purpose register 2 */
+  __IO uint32_t GPREG3;                   	/*!< (@ 0x40038010) General purpose register 3 */
+  };
+  };
+} LPC_PMU_Type;
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                       FLASHCTRL                                      -----
+// ------------------------------------------------------------------------------------------------
+
+
+/**
+  * @brief Product name title=UM10462 Chapter title=LPC11U1x Flash programming firmware Modification date=3/17/2011 Major revision=0 Minor revision=3  (FLASHCTRL)
+  */
+
+typedef struct {                            /*!< (@ 0x4003C000) FLASHCTRL Structure    */
+  __I  uint32_t RESERVED0[4];
+  __IO uint32_t FLASHCFG;                   /*!< (@ 0x4003C010) Flash memory access time configuration register */
+  __I  uint32_t RESERVED1[3];
+  __IO uint32_t FMSSTART;                   /*!< (@ 0x4003C020) Signature start address register */
+  __IO uint32_t FMSSTOP;                    /*!< (@ 0x4003C024) Signature stop-address register */
+  __I  uint32_t RESERVED2[1];
+  __I  uint32_t FMSW0;                      /*!< (@ 0x4003C02C) Word 0 [31:0]          */
+  __I  uint32_t FMSW1;                      /*!< (@ 0x4003C030) Word 1 [63:32]         */
+  __I  uint32_t FMSW2;                      /*!< (@ 0x4003C034) Word 2 [95:64]         */
+  __I  uint32_t FMSW3;                      /*!< (@ 0x4003C038) Word 3 [127:96]        */
+  __I  uint32_t RESERVED3[1001];
+  __I  uint32_t FMSTAT;                     /*!< (@ 0x4003CFE0) Signature generation status register */
+  __I  uint32_t RESERVED4[1];
+  __IO uint32_t FMSTATCLR;                  /*!< (@ 0x4003CFE8) Signature generation status clear register */
+} LPC_FLASHCTRL_Type;
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                         SSP0/1                                         -----
+// ------------------------------------------------------------------------------------------------
+
+
+/**
+  * @brief Product name title=UM10462 Chapter title=LPC11U1x SSP/SPI Modification date=3/16/2011 Major revision=0 Minor revision=3  (SSP0)
+  */
+
+typedef struct {                            /*!< (@ 0x40040000) SSP0 Structure         */
+  __IO uint32_t CR0;                        /*!< (@ 0x40040000) Control Register 0. Selects the serial clock rate, bus type, and data size. */
+  __IO uint32_t CR1;                        /*!< (@ 0x40040004) Control Register 1. Selects master/slave and other modes. */
+  __IO uint32_t DR;                         /*!< (@ 0x40040008) Data Register. Writes fill the transmit FIFO, and reads empty the receive FIFO. */
+  __I  uint32_t SR;                         /*!< (@ 0x4004000C) Status Register        */
+  __IO uint32_t CPSR;                       /*!< (@ 0x40040010) Clock Prescale Register */
+  __IO uint32_t IMSC;                       /*!< (@ 0x40040014) Interrupt Mask Set and Clear Register */
+  __I  uint32_t RIS;                        /*!< (@ 0x40040018) Raw Interrupt Status Register */
+  __I  uint32_t MIS;                        /*!< (@ 0x4004001C) Masked Interrupt Status Register */
+  __IO uint32_t ICR;                        /*!< (@ 0x40040020) SSPICR Interrupt Clear Register */
+} LPC_SSPx_Type;
+
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                       IOCONFIG                                       -----
+// ------------------------------------------------------------------------------------------------
+
+
+/**
+  * @brief Product name title=UM10462 Chapter title=LPC11U1x I/O configuration Modification date=3/16/2011 Major revision=0 Minor revision=3  (IOCONFIG)
+  */
+
+typedef struct {                            /*!< (@ 0x40044000) IOCONFIG Structure     */
+  __IO uint32_t RESET_PIO0_0;               /*!< (@ 0x40044000) I/O configuration for pin RESET/PIO0_0 */
+  __IO uint32_t PIO0_1;                     /*!< (@ 0x40044004) I/O configuration for pin PIO0_1/CLKOUT/CT32B0_MAT2/USB_FTOGGLE */
+  __IO uint32_t PIO0_2;                     /*!< (@ 0x40044008) I/O configuration for pin PIO0_2/SSEL0/CT16B0_CAP0 */
+  __IO uint32_t PIO0_3;                     /*!< (@ 0x4004400C) I/O configuration for pin PIO0_3/USB_VBUS */
+  __IO uint32_t PIO0_4;                     /*!< (@ 0x40044010) I/O configuration for pin PIO0_4/SCL */
+  __IO uint32_t PIO0_5;                     /*!< (@ 0x40044014) I/O configuration for pin PIO0_5/SDA */
+  __IO uint32_t PIO0_6;                     /*!< (@ 0x40044018) I/O configuration for pin PIO0_6/USB_CONNECT/SCK0 */
+  __IO uint32_t PIO0_7;                     /*!< (@ 0x4004401C) I/O configuration for pin PIO0_7/CTS */
+  __IO uint32_t PIO0_8;                     /*!< (@ 0x40044020) I/O configuration for pin PIO0_8/MISO0/CT16B0_MAT0 */
+  __IO uint32_t PIO0_9;                     /*!< (@ 0x40044024) I/O configuration for pin PIO0_9/MOSI0/CT16B0_MAT1 */
+  __IO uint32_t SWCLK_PIO0_10;              /*!< (@ 0x40044028) I/O configuration for pin SWCLK/PIO0_10/ SCK0/CT16B0_MAT2 */
+  __IO uint32_t TDI_PIO0_11;                /*!< (@ 0x4004402C) I/O configuration for pin TDI/PIO0_11/AD0/CT32B0_MAT3 */
+  __IO uint32_t TMS_PIO0_12;                /*!< (@ 0x40044030) I/O configuration for pin TMS/PIO0_12/AD1/CT32B1_CAP0 */
+  __IO uint32_t TDO_PIO0_13;                /*!< (@ 0x40044034) I/O configuration for pin TDO/PIO0_13/AD2/CT32B1_MAT0 */
+  __IO uint32_t TRST_PIO0_14;               /*!< (@ 0x40044038) I/O configuration for pin TRST/PIO0_14/AD3/CT32B1_MAT1 */
+  __IO uint32_t SWDIO_PIO0_15;              /*!< (@ 0x4004403C) I/O configuration for pin SWDIO/PIO0_15/AD4/CT32B1_MAT2 */
+  __IO uint32_t PIO0_16;                    /*!< (@ 0x40044040) I/O configuration for pin PIO0_16/AD5/CT32B1_MAT3/ WAKEUP */
+  __IO uint32_t PIO0_17;                    /*!< (@ 0x40044044) I/O configuration for pin PIO0_17/RTS/CT32B0_CAP0/SCLK */
+  __IO uint32_t PIO0_18;                    /*!< (@ 0x40044048) I/O configuration for pin PIO0_18/RXD/CT32B0_MAT0 */
+  __IO uint32_t PIO0_19;                    /*!< (@ 0x4004404C) I/O configuration for pin PIO0_19/TXD/CT32B0_MAT1 */
+  __IO uint32_t PIO0_20;                    /*!< (@ 0x40044050) I/O configuration for pin PIO0_20/CT16B1_CAP0 */
+  __IO uint32_t PIO0_21;                    /*!< (@ 0x40044054) I/O configuration for pin PIO0_21/CT16B1_MAT0/MOSI1 */
+  __IO uint32_t PIO0_22;                    /*!< (@ 0x40044058) I/O configuration for pin PIO0_22/AD6/CT16B1_MAT1/MISO1 */
+  __IO uint32_t PIO0_23;                    /*!< (@ 0x4004405C) I/O configuration for pin PIO0_23/AD7 */
+  __IO uint32_t PIO1_0;                 /*!< Offset: 0x060 */
+  __IO uint32_t PIO1_1;         
+  __IO uint32_t PIO1_2;       
+  __IO uint32_t PIO1_3;      
+  __IO uint32_t PIO1_4;                 /*!< Offset: 0x070 */
+  __IO uint32_t PIO1_5;                     /*!< (@ 0x40044074) I/O configuration for pin PIO1_5/CT32B1_CAP1 */
+  __IO uint32_t PIO1_6;     
+  __IO uint32_t PIO1_7;       
+  __IO uint32_t PIO1_8;                 /*!< Offset: 0x080 */
+  __IO uint32_t PIO1_9;        
+  __IO uint32_t PIO1_10;        
+  __IO uint32_t PIO1_11;       
+  __IO uint32_t PIO1_12;                /*!< Offset: 0x090 */
+  __IO uint32_t PIO1_13;                    /*!< (@ 0x40044094) I/O configuration for pin PIO1_13/DTR/CT16B0_MAT0/TXD */
+  __IO uint32_t PIO1_14;                    /*!< (@ 0x40044098) I/O configuration for pin PIO1_14/DSR/CT16B0_MAT1/RXD */
+  __IO uint32_t PIO1_15;                    /*!< (@ 0x4004409C) I/O configuration for pin PIO1_15/DCD/ CT16B0_MAT2/SCK1 */
+  __IO uint32_t PIO1_16;                    /*!< (@ 0x400440A0) I/O configuration for pin PIO1_16/RI/CT16B0_CAP0 */
+  __IO uint32_t PIO1_17;
+  __IO uint32_t PIO1_18;
+  __IO uint32_t PIO1_19;                    /*!< (@ 0x400440AC) I/O configuration for pin PIO1_19/DTR/SSEL1 */
+  __IO uint32_t PIO1_20;                    /*!< (@ 0x400440B0) I/O configuration for pin PIO1_20/DSR/SCK1 */
+  __IO uint32_t PIO1_21;                    /*!< (@ 0x400440B4) I/O configuration for pin PIO1_21/DCD/MISO1 */
+  __IO uint32_t PIO1_22;                    /*!< (@ 0x400440B8) I/O configuration for pin PIO1_22/RI/MOSI1 */
+  __IO uint32_t PIO1_23;                    /*!< (@ 0x400440BC) I/O configuration for pin PIO1_23/CT16B1_MAT1/SSEL1 */
+  __IO uint32_t PIO1_24;                    /*!< (@ 0x400440C0) I/O configuration for pin PIO1_24/ CT32B0_MAT0 */
+  __IO uint32_t PIO1_25;                    /*!< (@ 0x400440C4) I/O configuration for pin PIO1_25/CT32B0_MAT1 */
+  __IO uint32_t PIO1_26;                    /*!< (@ 0x400440C8) I/O configuration for pin PIO1_26/CT32B0_MAT2/ RXD */
+  __IO uint32_t PIO1_27;                    /*!< (@ 0x400440CC) I/O configuration for pin PIO1_27/CT32B0_MAT3/ TXD */
+  __IO uint32_t PIO1_28;                    /*!< (@ 0x400440D0) I/O configuration for pin PIO1_28/CT32B0_CAP0/ SCLK */
+  __IO uint32_t PIO1_29;                    /*!< (@ 0x400440D4) I/O configuration for pin PIO1_29/SCK0/ CT32B0_CAP1 */
+  __IO uint32_t PIO1_30;
+  __IO uint32_t PIO1_31;                    /*!< (@ 0x400440DC) I/O configuration for pin PIO1_31 */
+} LPC_IOCON_Type;
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                        SYSCON                                        -----
+// ------------------------------------------------------------------------------------------------
+
+
+/**
+  * @brief Product name title=UM10462 Chapter title=LPC11U1x System control block Modification date=3/16/2011 Major revision=0 Minor revision=3  (SYSCON)
+  */
+
+typedef struct {                            /*!< (@ 0x40048000) SYSCON Structure       */
+  __IO uint32_t SYSMEMREMAP;                /*!< (@ 0x40048000) System memory remap    */
+  __IO uint32_t PRESETCTRL;                 /*!< (@ 0x40048004) Peripheral reset control */
+  __IO uint32_t SYSPLLCTRL;                 /*!< (@ 0x40048008) System PLL control     */
+  __I  uint32_t SYSPLLSTAT;                 /*!< (@ 0x4004800C) System PLL status      */
+  __IO uint32_t USBPLLCTRL;                 /*!< (@ 0x40048010) USB PLL control        */
+  __I  uint32_t USBPLLSTAT;                 /*!< (@ 0x40048014) USB PLL status         */
+  __I  uint32_t RESERVED0[2];
+  __IO uint32_t SYSOSCCTRL;                 /*!< (@ 0x40048020) System oscillator control */
+  __IO uint32_t WDTOSCCTRL;                 /*!< (@ 0x40048024) Watchdog oscillator control */
+  __I  uint32_t RESERVED1[2];
+  __IO uint32_t SYSRSTSTAT;                 /*!< (@ 0x40048030) System reset status register */
+  __I  uint32_t RESERVED2[3];
+  __IO uint32_t SYSPLLCLKSEL;               /*!< (@ 0x40048040) System PLL clock source select */
+  __IO uint32_t SYSPLLCLKUEN;               /*!< (@ 0x40048044) System PLL clock source update enable */
+  __IO uint32_t USBPLLCLKSEL;               /*!< (@ 0x40048048) USB PLL clock source select */
+  __IO uint32_t USBPLLCLKUEN;               /*!< (@ 0x4004804C) USB PLL clock source update enable */
+  __I  uint32_t RESERVED3[8];
+  __IO uint32_t MAINCLKSEL;                 /*!< (@ 0x40048070) Main clock source select */
+  __IO uint32_t MAINCLKUEN;                 /*!< (@ 0x40048074) Main clock source update enable */
+  __IO uint32_t SYSAHBCLKDIV;               /*!< (@ 0x40048078) System clock divider   */
+  __I  uint32_t RESERVED4[1];
+  __IO uint32_t SYSAHBCLKCTRL;              /*!< (@ 0x40048080) System clock control   */
+  __I  uint32_t RESERVED5[4];
+  __IO uint32_t SSP0CLKDIV;                 /*!< (@ 0x40048094) SSP0 clock divider     */
+  __IO uint32_t UARTCLKDIV;                 /*!< (@ 0x40048098) UART clock divider     */
+  __IO uint32_t SSP1CLKDIV;                 /*!< (@ 0x4004809C) SSP1 clock divider     */
+  __I  uint32_t RESERVED6[8];
+  __IO uint32_t USBCLKSEL;                  /*!< (@ 0x400480C0) USB clock source select */
+  __IO uint32_t USBCLKUEN;                  /*!< (@ 0x400480C4) USB clock source update enable */
+  __IO uint32_t USBCLKDIV;                  /*!< (@ 0x400480C8) USB clock source divider */
+  __I  uint32_t RESERVED7[5];
+  __IO uint32_t CLKOUTSEL;                  /*!< (@ 0x400480E0) CLKOUT clock source select */
+  __IO uint32_t CLKOUTUEN;                  /*!< (@ 0x400480E4) CLKOUT clock source update enable */
+  __IO uint32_t CLKOUTDIV;                  /*!< (@ 0x400480E8) CLKOUT clock divider   */
+  __I  uint32_t RESERVED8[5];
+  __I  uint32_t PIOPORCAP0;                 /*!< (@ 0x40048100) POR captured PIO status 0 */
+  __I  uint32_t PIOPORCAP1;                 /*!< (@ 0x40048104) POR captured PIO status 1 */
+  __I  uint32_t RESERVED9[18];
+  __IO uint32_t BODCTRL;                    /*!< (@ 0x40048150) Brown-Out Detect       */
+  __IO uint32_t SYSTCKCAL;                  /*!< (@ 0x40048154) System tick counter calibration */
+  __I  uint32_t RESERVED10[6];
+  __IO uint32_t IRQLATENCY;                 /*!< (@ 0x40048170) IQR delay */
+  __IO uint32_t NMISRC;                     /*!< (@ 0x40048174) NMI Source Control     */
+  __IO uint32_t PINTSEL[8];                 /*!< (@ 0x40048178) GPIO Pin Interrupt Select register 0 */
+  __IO uint32_t USBCLKCTRL;                 /*!< (@ 0x40048198) USB clock control      */
+  __I  uint32_t USBCLKST;                   /*!< (@ 0x4004819C) USB clock status       */
+  __I  uint32_t RESERVED11[25];
+  __IO uint32_t STARTERP0;                  /*!< (@ 0x40048204) Start logic 0 interrupt wake-up enable register 0 */
+  __I  uint32_t RESERVED12[3];
+  __IO uint32_t STARTERP1;                  /*!< (@ 0x40048214) Start logic 1 interrupt wake-up enable register 1 */
+  __I  uint32_t RESERVED13[6];
+  __IO uint32_t PDSLEEPCFG;                 /*!< (@ 0x40048230) Power-down states in deep-sleep mode */
+  __IO uint32_t PDAWAKECFG;                 /*!< (@ 0x40048234) Power-down states for wake-up from deep-sleep */
+  __IO uint32_t PDRUNCFG;                   /*!< (@ 0x40048238) Power configuration register */
+  __I  uint32_t RESERVED14[110];
+  __I  uint32_t DEVICE_ID;                  /*!< (@ 0x400483F4) Device ID              */
+} LPC_SYSCON_Type;
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                     GPIO_PIN_INT                                     -----
+// ------------------------------------------------------------------------------------------------
+
+
+/**
+  * @brief Product name title=UM10462 Chapter title=LPC11U1x GPIO Modification date=3/17/2011 Major revision=0 Minor revision=3  (GPIO_PIN_INT)
+  */
+
+typedef struct {                            /*!< (@ 0x4004C000) GPIO_PIN_INT Structure */
+  __IO uint32_t ISEL;                       /*!< (@ 0x4004C000) Pin Interrupt Mode register */
+  __IO uint32_t IENR;                       /*!< (@ 0x4004C004) Pin Interrupt Enable (Rising) register */
+  __IO uint32_t SIENR;                      /*!< (@ 0x4004C008) Set Pin Interrupt Enable (Rising) register */
+  __IO uint32_t CIENR;                      /*!< (@ 0x4004C00C) Clear Pin Interrupt Enable (Rising) register */
+  __IO uint32_t IENF;                       /*!< (@ 0x4004C010) Pin Interrupt Enable Falling Edge / Active Level register */
+  __IO uint32_t SIENF;                      /*!< (@ 0x4004C014) Set Pin Interrupt Enable Falling Edge / Active Level register */
+  __IO uint32_t CIENF;                      /*!< (@ 0x4004C018) Clear Pin Interrupt Enable Falling Edge / Active Level address */
+  __IO uint32_t RISE;                       /*!< (@ 0x4004C01C) Pin Interrupt Rising Edge register */
+  __IO uint32_t FALL;                       /*!< (@ 0x4004C020) Pin Interrupt Falling Edge register */
+  __IO uint32_t IST;                        /*!< (@ 0x4004C024) Pin Interrupt Status register */
+} LPC_GPIO_PIN_INT_Type;
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                    GPIO_GROUP_INT0/1                                   -----
+// ------------------------------------------------------------------------------------------------
+
+
+/**
+  * @brief Product name title=UM10462 Chapter title=LPC11U1x GPIO Modification date=3/17/2011 Major revision=0 Minor revision=3  (GPIO_GROUP_INT0)
+  */
+
+typedef struct {                            /*!< (@ 0x4005C000) GPIO_GROUP_INT0 Structure */
+  __IO uint32_t CTRL;                       /*!< (@ 0x4005C000) GPIO grouped interrupt control register */
+  __I  uint32_t RESERVED0[7];
+  __IO uint32_t PORT_POL[2];                /*!< (@ 0x4005C020) GPIO grouped interrupt port 0 polarity register */
+  __I  uint32_t RESERVED1[6];
+  __IO uint32_t PORT_ENA[2];                /*!< (@ 0x4005C040) GPIO grouped interrupt port 0/1 enable register */
+} LPC_GPIO_GROUP_INTx_Type;
+
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                          USB                                         -----
+// ------------------------------------------------------------------------------------------------
+
+
+/**
+  * @brief Product name title=UM10462 Chapter title=LPC11U1x USB2.0device controller Modification date=3/16/2011 Major revision=0 Minor revision=3  (USB)
+  */
+
+typedef struct {                            /*!< (@ 0x40080000) USB Structure          */
+  __IO uint32_t DEVCMDSTAT;                 /*!< (@ 0x40080000) USB Device Command/Status register */
+  __IO uint32_t INFO;                       /*!< (@ 0x40080004) USB Info register      */
+  __IO uint32_t EPLISTSTART;                /*!< (@ 0x40080008) USB EP Command/Status List start address */
+  __IO uint32_t DATABUFSTART;               /*!< (@ 0x4008000C) USB Data buffer start address */
+  __IO uint32_t LPM;                        /*!< (@ 0x40080010) Link Power Management register */
+  __IO uint32_t EPSKIP;                     /*!< (@ 0x40080014) USB Endpoint skip      */
+  __IO uint32_t EPINUSE;                    /*!< (@ 0x40080018) USB Endpoint Buffer in use */
+  __IO uint32_t EPBUFCFG;                   /*!< (@ 0x4008001C) USB Endpoint Buffer Configuration register */
+  __IO uint32_t INTSTAT;                    /*!< (@ 0x40080020) USB interrupt status register */
+  __IO uint32_t INTEN;                      /*!< (@ 0x40080024) USB interrupt enable register */
+  __IO uint32_t INTSETSTAT;                 /*!< (@ 0x40080028) USB set interrupt status register */
+  __IO uint32_t INTROUTING;                 /*!< (@ 0x4008002C) USB interrupt routing register */
+  __I  uint32_t RESERVED0[1];
+  __I  uint32_t EPTOGGLE;                   /*!< (@ 0x40080034) USB Endpoint toggle register */
+} LPC_USB_Type;
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                       GPIO_PORT                                      -----
+// ------------------------------------------------------------------------------------------------
+
+
+/**
+  * @brief Product name title=UM10462 Chapter title=LPC11U1x GPIO Modification date=3/17/2011 Major revision=0 Minor revision=3  (GPIO_PORT)
+  */
+
+typedef struct {                            
+  union {
+    struct {
+      __IO uint8_t B0[32];                       /*!< (@ 0x50000000) Byte pin registers port 0; pins PIO0_0 to PIO0_31 */
+      __IO uint8_t B1[32];                       /*!< (@ 0x50000020) Byte pin registers port 1 */
+    };
+    __IO uint8_t B[64];                       /*!< (@ 0x50000000) Byte pin registers port 0/1 */
+  };
+  __I  uint32_t RESERVED0[1008];
+  union {
+    struct {
+      __IO uint32_t W0[32];                      /*!< (@ 0x50001000) Word pin registers port 0 */
+      __IO uint32_t W1[32];                      /*!< (@ 0x50001080) Word pin registers port 1 */
+    };
+    __IO uint32_t W[64];                       /*!< (@ 0x50001000) Word pin registers port 0/1 */
+  };
+       uint32_t RESERVED1[960];
+  __IO uint32_t DIR[2];			/* 0x2000 */
+       uint32_t RESERVED2[30];
+  __IO uint32_t MASK[2];		/* 0x2080 */
+       uint32_t RESERVED3[30];
+  __IO uint32_t PIN[2];			/* 0x2100 */
+       uint32_t RESERVED4[30];
+  __IO uint32_t MPIN[2];		/* 0x2180 */
+       uint32_t RESERVED5[30];
+  __IO uint32_t SET[2];			/* 0x2200 */
+       uint32_t RESERVED6[30];
+  __O  uint32_t CLR[2];			/* 0x2280 */
+       uint32_t RESERVED7[30];
+  __O  uint32_t NOT[2];			/* 0x2300 */
+} LPC_GPIO_Type;
+
+
+#if defined ( __CC_ARM   )
+  #pragma no_anon_unions
+#endif
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                 Peripheral memory map                                -----
+// ------------------------------------------------------------------------------------------------
+
+#define LPC_I2C_BASE              (0x40000000)
+#define LPC_WWDT_BASE             (0x40004000)
+#define LPC_USART_BASE            (0x40008000)
+#define LPC_CT16B0_BASE           (0x4000C000)
+#define LPC_CT16B1_BASE           (0x40010000)
+#define LPC_CT32B0_BASE           (0x40014000)
+#define LPC_CT32B1_BASE           (0x40018000)
+#define LPC_ADC_BASE              (0x4001C000)
+#define LPC_PMU_BASE              (0x40038000)
+#define LPC_FLASHCTRL_BASE        (0x4003C000)
+#define LPC_SSP0_BASE             (0x40040000)
+#define LPC_SSP1_BASE             (0x40058000)
+#define LPC_IOCON_BASE            (0x40044000)
+#define LPC_SYSCON_BASE           (0x40048000)
+#define LPC_GPIO_PIN_INT_BASE     (0x4004C000)
+#define LPC_GPIO_GROUP_INT0_BASE  (0x4005C000)
+#define LPC_GPIO_GROUP_INT1_BASE  (0x40060000)
+#define LPC_USB_BASE              (0x40080000)
+#define LPC_GPIO_BASE             (0x50000000)
+
+
+// ------------------------------------------------------------------------------------------------
+// -----                                Peripheral declaration                                -----
+// ------------------------------------------------------------------------------------------------
+
+#define LPC_I2C                   ((LPC_I2C_Type            *) LPC_I2C_BASE)
+#define LPC_WWDT                  ((LPC_WWDT_Type           *) LPC_WWDT_BASE)
+#define LPC_USART                 ((LPC_USART_Type          *) LPC_USART_BASE)
+#define LPC_CT16B0                ((LPC_CTxxBx_Type         *) LPC_CT16B0_BASE)
+#define LPC_CT16B1                ((LPC_CTxxBx_Type         *) LPC_CT16B1_BASE)
+#define LPC_CT32B0                ((LPC_CTxxBx_Type         *) LPC_CT32B0_BASE)
+#define LPC_CT32B1                ((LPC_CTxxBx_Type         *) LPC_CT32B1_BASE)
+#define LPC_ADC                   ((LPC_ADC_Type            *) LPC_ADC_BASE)
+#define LPC_PMU                   ((LPC_PMU_Type            *) LPC_PMU_BASE)
+#define LPC_FLASHCTRL             ((LPC_FLASHCTRL_Type      *) LPC_FLASHCTRL_BASE)
+#define LPC_SSP0                  ((LPC_SSPx_Type           *) LPC_SSP0_BASE)
+#define LPC_SSP1                  ((LPC_SSPx_Type           *) LPC_SSP1_BASE)
+#define LPC_IOCON                 ((LPC_IOCON_Type          *) LPC_IOCON_BASE)
+#define LPC_SYSCON                ((LPC_SYSCON_Type         *) LPC_SYSCON_BASE)
+#define LPC_GPIO_PIN_INT          ((LPC_GPIO_PIN_INT_Type   *) LPC_GPIO_PIN_INT_BASE)
+#define LPC_GPIO_GROUP_INT0       ((LPC_GPIO_GROUP_INTx_Type*) LPC_GPIO_GROUP_INT0_BASE)
+#define LPC_GPIO_GROUP_INT1       ((LPC_GPIO_GROUP_INTx_Type*) LPC_GPIO_GROUP_INT1_BASE)
+#define LPC_USB                   ((LPC_USB_Type            *) LPC_USB_BASE)
+#define LPC_GPIO                  ((LPC_GPIO_Type           *) LPC_GPIO_BASE)
+
+
+/** @} */ /* End of group Device_Peripheral_Registers */
+/** @} */ /* End of group (null) */
+/** @} */ /* End of group LPC11Uxx */
+
+#ifdef __cplusplus
+}
+#endif 
+
+
+#endif  // __LPC11UXX_H__
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/cmsis.h b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/cmsis.h
new file mode 100644
index 0000000000..4e38579131
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/cmsis.h
@@ -0,0 +1,13 @@
+/* mbed Microcontroller Library - CMSIS
+ * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
+ * 
+ * A generic CMSIS include header, pulling in LPC11U24 specifics
+ */
+
+#ifndef MBED_CMSIS_H
+#define MBED_CMSIS_H
+
+#include "LPC11Uxx.h"
+#include "cmsis_nvic.h"
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/cmsis_nvic.c b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/cmsis_nvic.c
new file mode 100644
index 0000000000..bdbe5263bd
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/cmsis_nvic.c
@@ -0,0 +1,58 @@
+/* mbed Microcontroller Library - cmsis_nvic for LPC11U24
+ * Copyright (c) 2011 ARM Limited. All rights reserved.
+ *
+ * CMSIS-style functionality to support dynamic vectors
+ */ 
+
+#include "cmsis_nvic.h"
+
+/* In the M0, there is no VTOR. In the LPC range such as the LPC11U,
+ * whilst the vector table may only be something like 48 entries (192 bytes, 0xC0), 
+ * the SYSMEMREMAP register actually remaps the memory from 0x10000000-0x100001FF 
+ * to adress 0x0-0x1FF. In this case, RAM can be addressed at both 0x10000000 and 0x0
+ * 
+ * If we just copy the vectors to RAM and switch the SYSMEMMAP, any accesses to FLASH
+ * above the vector table before 0x200 will actually go to RAM. So we need to provide 
+ * a solution where the compiler gets the right results based on the memory map
+ *
+ * Option 1 - We allocate and copy 0x200 of RAM rather than just the table
+ *  - const data and instructions before 0x200 will be copied to and fetched/exec from RAM
+ *  - RAM overhead: 0x200 - 0xC0 = 320 bytes, FLASH overhead: 0
+ * 
+ * Option 2 - We pad the flash to 0x200 to ensure the compiler doesn't allocate anything there  
+ *  - No flash accesses will go to ram, as there will be nothing there
+ *  - RAM only needs to be allocated for the vectors, as all other ram addresses are normal
+ *  - RAM overhead: 0, FLASH overhead: 320 bytes
+ *
+ * Option 2 is the one to go for, as RAM is the most valuable resource
+ */
+
+#define NVIC_NUM_VECTORS (16 + 32)            // CORE + MCU Peripherals
+#define NVIC_RAM_VECTOR_ADDRESS (0x10000000)  // Vectors positioned at start of RAM
+
+void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
+    int i;
+    // Space for dynamic vectors, initialised to allocate in R/W
+    static volatile uint32_t* vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS;
+    
+    // Copy and switch to dynamic vectors if first time called
+    if((LPC_SYSCON->SYSMEMREMAP & 0x3) != 0x1) {     
+      uint32_t *old_vectors = (uint32_t *)0;         // FLASH vectors are at 0x0
+      for(i = 0; i < NVIC_NUM_VECTORS; i++) {    
+            vectors[i] = old_vectors[i];
+        }
+        LPC_SYSCON->SYSMEMREMAP = 0x1; // Remaps 0x0-0x1FF FLASH block to RAM block
+    }
+
+    // Set the vector 
+    vectors[IRQn + 16] = vector; 
+}
+
+uint32_t NVIC_GetVector(IRQn_Type IRQn) {
+    // We can always read vectors at 0x0, as the addresses are remapped
+    uint32_t *vectors = (uint32_t*)0; 
+
+    // Return the vector
+    return vectors[IRQn + 16];
+}
+
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/cmsis_nvic.h b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/cmsis_nvic.h
new file mode 100644
index 0000000000..299d3879be
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/cmsis_nvic.h
@@ -0,0 +1,23 @@
+/* mbed Microcontroller Library - cmsis_nvic
+ * Copyright (c) 2009-2011 ARM Limited. All rights reserved.
+ *
+ * CMSIS-style functionality to support dynamic vectors
+ */ 
+
+#ifndef MBED_CMSIS_NVIC_H
+#define MBED_CMSIS_NVIC_H
+
+#include "cmsis.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector);
+uint32_t NVIC_GetVector(IRQn_Type IRQn);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/core_cm0.c b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/core_cm0.c
new file mode 100644
index 0000000000..3e9f12bee9
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/core_cm0.c
@@ -0,0 +1,279 @@
+/**************************************************************************//**
+ * @file     core_cm0.c
+ * @brief    CMSIS Cortex-M0 Core Peripheral Access Layer Source File
+ * @version  V2.00
+ * @date     10. September 2010
+ *
+ * @note
+ * Copyright (C) 2009-2010 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M 
+ * processor based microcontrollers.  This file can be freely distributed 
+ * within development tools that are supporting such ARM based processors. 
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+#include 
+
+/* define compiler specific symbols */
+#if defined ( __CC_ARM   )
+  #define __ASM            __asm                                      /*!< asm keyword for ARM Compiler          */
+  #define __INLINE         __inline                                   /*!< inline keyword for ARM Compiler       */
+
+#elif defined ( __ICCARM__ )
+  #define __ASM           __asm                                       /*!< asm keyword for IAR Compiler          */
+  #define __INLINE        inline                                      /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */
+
+#elif defined   (  __GNUC__  )
+  #define __ASM            __asm                                      /*!< asm keyword for GNU Compiler          */
+  #define __INLINE         inline                                     /*!< inline keyword for GNU Compiler       */
+
+#elif defined   (  __TASKING__  )
+  #define __ASM            __asm                                      /*!< asm keyword for TASKING Compiler      */
+  #define __INLINE         inline                                     /*!< inline keyword for TASKING Compiler   */
+
+#endif
+
+
+/* ##########################  Core Instruction Access  ######################### */
+
+#if defined ( __CC_ARM   ) /*------------------ RealView Compiler ----------------*/
+
+/** \brief  Reverse byte order (16 bit)
+
+    This function reverses the byte order in two unsigned short values.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+#if (__ARMCC_VERSION < 400677)
+__ASM uint32_t __REV16(uint32_t value)
+{
+  rev16 r0, r0
+  bx lr
+}
+#endif /* __ARMCC_VERSION  */ 
+
+
+/** \brief  Reverse byte order in signed short value
+
+    This function reverses the byte order in a signed short value with sign extension to integer.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+#if (__ARMCC_VERSION < 400677)
+__ASM int32_t __REVSH(int32_t value)
+{
+  revsh r0, r0
+  bx lr
+}
+#endif /* __ARMCC_VERSION  */ 
+
+
+/** \brief  Remove the exclusive lock
+
+    This function removes the exclusive lock which is created by LDREX.
+
+ */
+#if (__ARMCC_VERSION < 400000)
+__ASM void __CLREX(void)
+{
+  clrex
+}
+#endif /* __ARMCC_VERSION  */ 
+
+
+#elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/
+/* obsolete */
+#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
+/* obsolete */
+#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/
+/* obsolete */
+#endif
+
+
+/* ###########################  Core Function Access  ########################### */
+
+#if defined ( __CC_ARM   ) /*------------------ RealView Compiler ----------------*/
+
+/** \brief  Get Control Register
+
+    This function returns the content of the Control Register.
+
+    \return               Control Register value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t __get_CONTROL(void)
+{
+  mrs r0, control
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Set Control Register
+
+    This function writes the given value to the Control Register.
+
+    \param [in]    control  Control Register value to set
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM void __set_CONTROL(uint32_t control)
+{
+  msr control, r0
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Get ISPR Register
+
+    This function returns the content of the ISPR Register.
+
+    \return               ISPR Register value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t __get_IPSR(void)
+{
+  mrs r0, ipsr
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Get APSR Register
+
+    This function returns the content of the APSR Register.
+
+    \return               APSR Register value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t __get_APSR(void)
+{
+  mrs r0, apsr
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Get xPSR Register
+
+    This function returns the content of the xPSR Register.
+
+    \return               xPSR Register value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t __get_xPSR(void)
+{
+  mrs r0, xpsr
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Get Process Stack Pointer
+
+    This function returns the current value of the Process Stack Pointer (PSP).
+
+    \return               PSP Register value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t __get_PSP(void)
+{
+  mrs r0, psp
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Set Process Stack Pointer
+
+    This function assigns the given value to the Process Stack Pointer (PSP).
+
+    \param [in]    topOfProcStack  Process Stack Pointer value to set
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM void __set_PSP(uint32_t topOfProcStack)
+{
+  msr psp, r0
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Get Main Stack Pointer
+
+    This function returns the current value of the Main Stack Pointer (MSP).
+
+    \return               MSP Register value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t __get_MSP(void)
+{
+  mrs r0, msp
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Set Main Stack Pointer
+
+    This function assigns the given value to the Main Stack Pointer (MSP).
+
+    \param [in]    topOfMainStack  Main Stack Pointer value to set
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM void __set_MSP(uint32_t mainStackPointer)
+{
+  msr msp, r0
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Get Priority Mask
+
+    This function returns the current state of the priority mask bit from the Priority Mask Register.
+
+    \return               Priority Mask value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t __get_PRIMASK(void)
+{
+  mrs r0, primask
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Set Priority Mask
+
+    This function assigns the given value to the Priority Mask Register.
+
+    \param [in]    priMask  Priority Mask
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM void __set_PRIMASK(uint32_t priMask)
+{
+  msr primask, r0
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+ 
+
+#elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/
+/* obsolete */
+#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
+/* obsolete */
+#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/
+/* obsolete */
+#endif
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/core_cm0.h b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/core_cm0.h
new file mode 100644
index 0000000000..530a786c42
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/core_cm0.h
@@ -0,0 +1,667 @@
+/**************************************************************************//**
+ * @file     core_cm0.h
+ * @brief    CMSIS Cortex-M0 Core Peripheral Access Layer Header File
+ * @version  V3.02
+ * @date     05. November 2012
+ *
+ * @note
+ * Copyright (C) 2009-2012 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M
+ * processor based microcontrollers.  This file can be freely distributed
+ * within development tools that are supporting such ARM based processors.
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+#if defined ( __ICCARM__ )
+ #pragma system_include  /* treat file as system include file for MISRA check */
+#endif
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#ifndef __CORE_CM0_H_GENERIC
+#define __CORE_CM0_H_GENERIC
+
+/** \page CMSIS_MISRA_Exceptions  MISRA-C:2004 Compliance Exceptions
+  CMSIS violates the following MISRA-C:2004 rules:
+
+   \li Required Rule 8.5, object/function definition in header file.

+     Function definitions in header files are used to allow 'inlining'.
+
+   \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.

+     Unions are used for effective representation of core registers.
+
+   \li Advisory Rule 19.7, Function-like macro defined.

+     Function-like macros are used to allow more efficient code.
+ */
+
+
+/*******************************************************************************
+ *                 CMSIS definitions
+ ******************************************************************************/
+/** \ingroup Cortex_M0
+  @{
+ */
+
+/*  CMSIS CM0 definitions */
+#define __CM0_CMSIS_VERSION_MAIN  (0x03)                                   /*!< [31:16] CMSIS HAL main version   */
+#define __CM0_CMSIS_VERSION_SUB   (0x01)                                   /*!< [15:0]  CMSIS HAL sub version    */
+#define __CM0_CMSIS_VERSION       ((__CM0_CMSIS_VERSION_MAIN << 16) | \
+                                    __CM0_CMSIS_VERSION_SUB          )     /*!< CMSIS HAL version number         */
+
+#define __CORTEX_M                (0x00)                                   /*!< Cortex-M Core                    */
+
+
+#if   defined ( __CC_ARM )
+  #define __ASM            __asm                                      /*!< asm keyword for ARM Compiler          */
+  #define __INLINE         __inline                                   /*!< inline keyword for ARM Compiler       */
+  #define __STATIC_INLINE  static __inline
+
+#elif defined ( __ICCARM__ )
+  #define __ASM            __asm                                      /*!< asm keyword for IAR Compiler          */
+  #define __INLINE         inline                                     /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */
+  #define __STATIC_INLINE  static inline
+
+#elif defined ( __GNUC__ )
+  #define __ASM            __asm                                      /*!< asm keyword for GNU Compiler          */
+  #define __INLINE         inline                                     /*!< inline keyword for GNU Compiler       */
+  #define __STATIC_INLINE  static inline
+
+#elif defined ( __TASKING__ )
+  #define __ASM            __asm                                      /*!< asm keyword for TASKING Compiler      */
+  #define __INLINE         inline                                     /*!< inline keyword for TASKING Compiler   */
+  #define __STATIC_INLINE  static inline
+
+#endif
+
+/** __FPU_USED indicates whether an FPU is used or not. This core does not support an FPU at all
+*/
+#define __FPU_USED       0
+
+#if defined ( __CC_ARM )
+  #if defined __TARGET_FPU_VFP
+    #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+  #endif
+
+#elif defined ( __ICCARM__ )
+  #if defined __ARMVFP__
+    #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+  #endif
+
+#elif defined ( __GNUC__ )
+  #if defined (__VFP_FP__) && !defined(__SOFTFP__)
+    #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+  #endif
+
+#elif defined ( __TASKING__ )
+  #if defined __FPU_VFP__
+    #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+  #endif
+#endif
+
+#include                       /* standard types definitions                      */
+#include                 /* Core Instruction Access                         */
+#include                  /* Core Function Access                            */
+
+#endif /* __CORE_CM0_H_GENERIC */
+
+#ifndef __CMSIS_GENERIC
+
+#ifndef __CORE_CM0_H_DEPENDANT
+#define __CORE_CM0_H_DEPENDANT
+
+/* check device defines and use defaults */
+#if defined __CHECK_DEVICE_DEFINES
+  #ifndef __CM0_REV
+    #define __CM0_REV               0x0000
+    #warning "__CM0_REV not defined in device header file; using default!"
+  #endif
+
+  #ifndef __NVIC_PRIO_BITS
+    #define __NVIC_PRIO_BITS          2
+    #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
+  #endif
+
+  #ifndef __Vendor_SysTickConfig
+    #define __Vendor_SysTickConfig    0
+    #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
+  #endif
+#endif
+
+/* IO definitions (access restrictions to peripheral registers) */
+/**
+    \defgroup CMSIS_glob_defs CMSIS Global Defines
+
+    IO Type Qualifiers are used
+    \li to specify the access to peripheral variables.
+    \li for automatic generation of peripheral register debug information.
+*/
+#ifdef __cplusplus
+  #define   __I     volatile             /*!< Defines 'read only' permissions                 */
+#else
+  #define   __I     volatile const       /*!< Defines 'read only' permissions                 */
+#endif
+#define     __O     volatile             /*!< Defines 'write only' permissions                */
+#define     __IO    volatile             /*!< Defines 'read / write' permissions              */
+
+/*@} end of group Cortex_M0 */
+
+
+
+/*******************************************************************************
+ *                 Register Abstraction
+  Core Register contain:
+  - Core Register
+  - Core NVIC Register
+  - Core SCB Register
+  - Core SysTick Register
+ ******************************************************************************/
+/** \defgroup CMSIS_core_register Defines and Type Definitions
+    \brief Type definitions and defines for Cortex-M processor based devices.
+*/
+
+/** \ingroup    CMSIS_core_register
+    \defgroup   CMSIS_CORE  Status and Control Registers
+    \brief  Core Register type definitions.
+  @{
+ */
+
+/** \brief  Union type to access the Application Program Status Register (APSR).
+ */
+typedef union
+{
+  struct
+  {
+#if (__CORTEX_M != 0x04)
+    uint32_t _reserved0:27;              /*!< bit:  0..26  Reserved                           */
+#else
+    uint32_t _reserved0:16;              /*!< bit:  0..15  Reserved                           */
+    uint32_t GE:4;                       /*!< bit: 16..19  Greater than or Equal flags        */
+    uint32_t _reserved1:7;               /*!< bit: 20..26  Reserved                           */
+#endif
+    uint32_t Q:1;                        /*!< bit:     27  Saturation condition flag          */
+    uint32_t V:1;                        /*!< bit:     28  Overflow condition code flag       */
+    uint32_t C:1;                        /*!< bit:     29  Carry condition code flag          */
+    uint32_t Z:1;                        /*!< bit:     30  Zero condition code flag           */
+    uint32_t N:1;                        /*!< bit:     31  Negative condition code flag       */
+  } b;                                   /*!< Structure used for bit  access                  */
+  uint32_t w;                            /*!< Type      used for word access                  */
+} APSR_Type;
+
+
+/** \brief  Union type to access the Interrupt Program Status Register (IPSR).
+ */
+typedef union
+{
+  struct
+  {
+    uint32_t ISR:9;                      /*!< bit:  0.. 8  Exception number                   */
+    uint32_t _reserved0:23;              /*!< bit:  9..31  Reserved                           */
+  } b;                                   /*!< Structure used for bit  access                  */
+  uint32_t w;                            /*!< Type      used for word access                  */
+} IPSR_Type;
+
+
+/** \brief  Union type to access the Special-Purpose Program Status Registers (xPSR).
+ */
+typedef union
+{
+  struct
+  {
+    uint32_t ISR:9;                      /*!< bit:  0.. 8  Exception number                   */
+#if (__CORTEX_M != 0x04)
+    uint32_t _reserved0:15;              /*!< bit:  9..23  Reserved                           */
+#else
+    uint32_t _reserved0:7;               /*!< bit:  9..15  Reserved                           */
+    uint32_t GE:4;                       /*!< bit: 16..19  Greater than or Equal flags        */
+    uint32_t _reserved1:4;               /*!< bit: 20..23  Reserved                           */
+#endif
+    uint32_t T:1;                        /*!< bit:     24  Thumb bit        (read 0)          */
+    uint32_t IT:2;                       /*!< bit: 25..26  saved IT state   (read 0)          */
+    uint32_t Q:1;                        /*!< bit:     27  Saturation condition flag          */
+    uint32_t V:1;                        /*!< bit:     28  Overflow condition code flag       */
+    uint32_t C:1;                        /*!< bit:     29  Carry condition code flag          */
+    uint32_t Z:1;                        /*!< bit:     30  Zero condition code flag           */
+    uint32_t N:1;                        /*!< bit:     31  Negative condition code flag       */
+  } b;                                   /*!< Structure used for bit  access                  */
+  uint32_t w;                            /*!< Type      used for word access                  */
+} xPSR_Type;
+
+
+/** \brief  Union type to access the Control Registers (CONTROL).
+ */
+typedef union
+{
+  struct
+  {
+    uint32_t nPRIV:1;                    /*!< bit:      0  Execution privilege in Thread mode */
+    uint32_t SPSEL:1;                    /*!< bit:      1  Stack to be used                   */
+    uint32_t FPCA:1;                     /*!< bit:      2  FP extension active flag           */
+    uint32_t _reserved0:29;              /*!< bit:  3..31  Reserved                           */
+  } b;                                   /*!< Structure used for bit  access                  */
+  uint32_t w;                            /*!< Type      used for word access                  */
+} CONTROL_Type;
+
+/*@} end of group CMSIS_CORE */
+
+
+/** \ingroup    CMSIS_core_register
+    \defgroup   CMSIS_NVIC  Nested Vectored Interrupt Controller (NVIC)
+    \brief      Type definitions for the NVIC Registers
+  @{
+ */
+
+/** \brief  Structure type to access the Nested Vectored Interrupt Controller (NVIC).
+ */
+typedef struct
+{
+  __IO uint32_t ISER[1];                 /*!< Offset: 0x000 (R/W)  Interrupt Set Enable Register           */
+       uint32_t RESERVED0[31];
+  __IO uint32_t ICER[1];                 /*!< Offset: 0x080 (R/W)  Interrupt Clear Enable Register          */
+       uint32_t RSERVED1[31];
+  __IO uint32_t ISPR[1];                 /*!< Offset: 0x100 (R/W)  Interrupt Set Pending Register           */
+       uint32_t RESERVED2[31];
+  __IO uint32_t ICPR[1];                 /*!< Offset: 0x180 (R/W)  Interrupt Clear Pending Register         */
+       uint32_t RESERVED3[31];
+       uint32_t RESERVED4[64];
+  __IO uint32_t IP[8];                   /*!< Offset: 0x300 (R/W)  Interrupt Priority Register              */
+}  NVIC_Type;
+
+/*@} end of group CMSIS_NVIC */
+
+
+/** \ingroup  CMSIS_core_register
+    \defgroup CMSIS_SCB     System Control Block (SCB)
+    \brief      Type definitions for the System Control Block Registers
+  @{
+ */
+
+/** \brief  Structure type to access the System Control Block (SCB).
+ */
+typedef struct
+{
+  __I  uint32_t CPUID;                   /*!< Offset: 0x000 (R/ )  CPUID Base Register                                   */
+  __IO uint32_t ICSR;                    /*!< Offset: 0x004 (R/W)  Interrupt Control and State Register                  */
+       uint32_t RESERVED0;
+  __IO uint32_t AIRCR;                   /*!< Offset: 0x00C (R/W)  Application Interrupt and Reset Control Register      */
+  __IO uint32_t SCR;                     /*!< Offset: 0x010 (R/W)  System Control Register                               */
+  __IO uint32_t CCR;                     /*!< Offset: 0x014 (R/W)  Configuration Control Register                        */
+       uint32_t RESERVED1;
+  __IO uint32_t SHP[2];                  /*!< Offset: 0x01C (R/W)  System Handlers Priority Registers. [0] is RESERVED   */
+  __IO uint32_t SHCSR;                   /*!< Offset: 0x024 (R/W)  System Handler Control and State Register             */
+} SCB_Type;
+
+/* SCB CPUID Register Definitions */
+#define SCB_CPUID_IMPLEMENTER_Pos          24                                             /*!< SCB CPUID: IMPLEMENTER Position */
+#define SCB_CPUID_IMPLEMENTER_Msk          (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos)          /*!< SCB CPUID: IMPLEMENTER Mask */
+
+#define SCB_CPUID_VARIANT_Pos              20                                             /*!< SCB CPUID: VARIANT Position */
+#define SCB_CPUID_VARIANT_Msk              (0xFUL << SCB_CPUID_VARIANT_Pos)               /*!< SCB CPUID: VARIANT Mask */
+
+#define SCB_CPUID_ARCHITECTURE_Pos         16                                             /*!< SCB CPUID: ARCHITECTURE Position */
+#define SCB_CPUID_ARCHITECTURE_Msk         (0xFUL << SCB_CPUID_ARCHITECTURE_Pos)          /*!< SCB CPUID: ARCHITECTURE Mask */
+
+#define SCB_CPUID_PARTNO_Pos                4                                             /*!< SCB CPUID: PARTNO Position */
+#define SCB_CPUID_PARTNO_Msk               (0xFFFUL << SCB_CPUID_PARTNO_Pos)              /*!< SCB CPUID: PARTNO Mask */
+
+#define SCB_CPUID_REVISION_Pos              0                                             /*!< SCB CPUID: REVISION Position */
+#define SCB_CPUID_REVISION_Msk             (0xFUL << SCB_CPUID_REVISION_Pos)              /*!< SCB CPUID: REVISION Mask */
+
+/* SCB Interrupt Control State Register Definitions */
+#define SCB_ICSR_NMIPENDSET_Pos            31                                             /*!< SCB ICSR: NMIPENDSET Position */
+#define SCB_ICSR_NMIPENDSET_Msk            (1UL << SCB_ICSR_NMIPENDSET_Pos)               /*!< SCB ICSR: NMIPENDSET Mask */
+
+#define SCB_ICSR_PENDSVSET_Pos             28                                             /*!< SCB ICSR: PENDSVSET Position */
+#define SCB_ICSR_PENDSVSET_Msk             (1UL << SCB_ICSR_PENDSVSET_Pos)                /*!< SCB ICSR: PENDSVSET Mask */
+
+#define SCB_ICSR_PENDSVCLR_Pos             27                                             /*!< SCB ICSR: PENDSVCLR Position */
+#define SCB_ICSR_PENDSVCLR_Msk             (1UL << SCB_ICSR_PENDSVCLR_Pos)                /*!< SCB ICSR: PENDSVCLR Mask */
+
+#define SCB_ICSR_PENDSTSET_Pos             26                                             /*!< SCB ICSR: PENDSTSET Position */
+#define SCB_ICSR_PENDSTSET_Msk             (1UL << SCB_ICSR_PENDSTSET_Pos)                /*!< SCB ICSR: PENDSTSET Mask */
+
+#define SCB_ICSR_PENDSTCLR_Pos             25                                             /*!< SCB ICSR: PENDSTCLR Position */
+#define SCB_ICSR_PENDSTCLR_Msk             (1UL << SCB_ICSR_PENDSTCLR_Pos)                /*!< SCB ICSR: PENDSTCLR Mask */
+
+#define SCB_ICSR_ISRPREEMPT_Pos            23                                             /*!< SCB ICSR: ISRPREEMPT Position */
+#define SCB_ICSR_ISRPREEMPT_Msk            (1UL << SCB_ICSR_ISRPREEMPT_Pos)               /*!< SCB ICSR: ISRPREEMPT Mask */
+
+#define SCB_ICSR_ISRPENDING_Pos            22                                             /*!< SCB ICSR: ISRPENDING Position */
+#define SCB_ICSR_ISRPENDING_Msk            (1UL << SCB_ICSR_ISRPENDING_Pos)               /*!< SCB ICSR: ISRPENDING Mask */
+
+#define SCB_ICSR_VECTPENDING_Pos           12                                             /*!< SCB ICSR: VECTPENDING Position */
+#define SCB_ICSR_VECTPENDING_Msk           (0x1FFUL << SCB_ICSR_VECTPENDING_Pos)          /*!< SCB ICSR: VECTPENDING Mask */
+
+#define SCB_ICSR_VECTACTIVE_Pos             0                                             /*!< SCB ICSR: VECTACTIVE Position */
+#define SCB_ICSR_VECTACTIVE_Msk            (0x1FFUL << SCB_ICSR_VECTACTIVE_Pos)           /*!< SCB ICSR: VECTACTIVE Mask */
+
+/* SCB Application Interrupt and Reset Control Register Definitions */
+#define SCB_AIRCR_VECTKEY_Pos              16                                             /*!< SCB AIRCR: VECTKEY Position */
+#define SCB_AIRCR_VECTKEY_Msk              (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos)            /*!< SCB AIRCR: VECTKEY Mask */
+
+#define SCB_AIRCR_VECTKEYSTAT_Pos          16                                             /*!< SCB AIRCR: VECTKEYSTAT Position */
+#define SCB_AIRCR_VECTKEYSTAT_Msk          (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos)        /*!< SCB AIRCR: VECTKEYSTAT Mask */
+
+#define SCB_AIRCR_ENDIANESS_Pos            15                                             /*!< SCB AIRCR: ENDIANESS Position */
+#define SCB_AIRCR_ENDIANESS_Msk            (1UL << SCB_AIRCR_ENDIANESS_Pos)               /*!< SCB AIRCR: ENDIANESS Mask */
+
+#define SCB_AIRCR_SYSRESETREQ_Pos           2                                             /*!< SCB AIRCR: SYSRESETREQ Position */
+#define SCB_AIRCR_SYSRESETREQ_Msk          (1UL << SCB_AIRCR_SYSRESETREQ_Pos)             /*!< SCB AIRCR: SYSRESETREQ Mask */
+
+#define SCB_AIRCR_VECTCLRACTIVE_Pos         1                                             /*!< SCB AIRCR: VECTCLRACTIVE Position */
+#define SCB_AIRCR_VECTCLRACTIVE_Msk        (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos)           /*!< SCB AIRCR: VECTCLRACTIVE Mask */
+
+/* SCB System Control Register Definitions */
+#define SCB_SCR_SEVONPEND_Pos               4                                             /*!< SCB SCR: SEVONPEND Position */
+#define SCB_SCR_SEVONPEND_Msk              (1UL << SCB_SCR_SEVONPEND_Pos)                 /*!< SCB SCR: SEVONPEND Mask */
+
+#define SCB_SCR_SLEEPDEEP_Pos               2                                             /*!< SCB SCR: SLEEPDEEP Position */
+#define SCB_SCR_SLEEPDEEP_Msk              (1UL << SCB_SCR_SLEEPDEEP_Pos)                 /*!< SCB SCR: SLEEPDEEP Mask */
+
+#define SCB_SCR_SLEEPONEXIT_Pos             1                                             /*!< SCB SCR: SLEEPONEXIT Position */
+#define SCB_SCR_SLEEPONEXIT_Msk            (1UL << SCB_SCR_SLEEPONEXIT_Pos)               /*!< SCB SCR: SLEEPONEXIT Mask */
+
+/* SCB Configuration Control Register Definitions */
+#define SCB_CCR_STKALIGN_Pos                9                                             /*!< SCB CCR: STKALIGN Position */
+#define SCB_CCR_STKALIGN_Msk               (1UL << SCB_CCR_STKALIGN_Pos)                  /*!< SCB CCR: STKALIGN Mask */
+
+#define SCB_CCR_UNALIGN_TRP_Pos             3                                             /*!< SCB CCR: UNALIGN_TRP Position */
+#define SCB_CCR_UNALIGN_TRP_Msk            (1UL << SCB_CCR_UNALIGN_TRP_Pos)               /*!< SCB CCR: UNALIGN_TRP Mask */
+
+/* SCB System Handler Control and State Register Definitions */
+#define SCB_SHCSR_SVCALLPENDED_Pos         15                                             /*!< SCB SHCSR: SVCALLPENDED Position */
+#define SCB_SHCSR_SVCALLPENDED_Msk         (1UL << SCB_SHCSR_SVCALLPENDED_Pos)            /*!< SCB SHCSR: SVCALLPENDED Mask */
+
+/*@} end of group CMSIS_SCB */
+
+
+/** \ingroup  CMSIS_core_register
+    \defgroup CMSIS_SysTick     System Tick Timer (SysTick)
+    \brief      Type definitions for the System Timer Registers.
+  @{
+ */
+
+/** \brief  Structure type to access the System Timer (SysTick).
+ */
+typedef struct
+{
+  __IO uint32_t CTRL;                    /*!< Offset: 0x000 (R/W)  SysTick Control and Status Register */
+  __IO uint32_t LOAD;                    /*!< Offset: 0x004 (R/W)  SysTick Reload Value Register       */
+  __IO uint32_t VAL;                     /*!< Offset: 0x008 (R/W)  SysTick Current Value Register      */
+  __I  uint32_t CALIB;                   /*!< Offset: 0x00C (R/ )  SysTick Calibration Register        */
+} SysTick_Type;
+
+/* SysTick Control / Status Register Definitions */
+#define SysTick_CTRL_COUNTFLAG_Pos         16                                             /*!< SysTick CTRL: COUNTFLAG Position */
+#define SysTick_CTRL_COUNTFLAG_Msk         (1UL << SysTick_CTRL_COUNTFLAG_Pos)            /*!< SysTick CTRL: COUNTFLAG Mask */
+
+#define SysTick_CTRL_CLKSOURCE_Pos          2                                             /*!< SysTick CTRL: CLKSOURCE Position */
+#define SysTick_CTRL_CLKSOURCE_Msk         (1UL << SysTick_CTRL_CLKSOURCE_Pos)            /*!< SysTick CTRL: CLKSOURCE Mask */
+
+#define SysTick_CTRL_TICKINT_Pos            1                                             /*!< SysTick CTRL: TICKINT Position */
+#define SysTick_CTRL_TICKINT_Msk           (1UL << SysTick_CTRL_TICKINT_Pos)              /*!< SysTick CTRL: TICKINT Mask */
+
+#define SysTick_CTRL_ENABLE_Pos             0                                             /*!< SysTick CTRL: ENABLE Position */
+#define SysTick_CTRL_ENABLE_Msk            (1UL << SysTick_CTRL_ENABLE_Pos)               /*!< SysTick CTRL: ENABLE Mask */
+
+/* SysTick Reload Register Definitions */
+#define SysTick_LOAD_RELOAD_Pos             0                                             /*!< SysTick LOAD: RELOAD Position */
+#define SysTick_LOAD_RELOAD_Msk            (0xFFFFFFUL << SysTick_LOAD_RELOAD_Pos)        /*!< SysTick LOAD: RELOAD Mask */
+
+/* SysTick Current Register Definitions */
+#define SysTick_VAL_CURRENT_Pos             0                                             /*!< SysTick VAL: CURRENT Position */
+#define SysTick_VAL_CURRENT_Msk            (0xFFFFFFUL << SysTick_VAL_CURRENT_Pos)        /*!< SysTick VAL: CURRENT Mask */
+
+/* SysTick Calibration Register Definitions */
+#define SysTick_CALIB_NOREF_Pos            31                                             /*!< SysTick CALIB: NOREF Position */
+#define SysTick_CALIB_NOREF_Msk            (1UL << SysTick_CALIB_NOREF_Pos)               /*!< SysTick CALIB: NOREF Mask */
+
+#define SysTick_CALIB_SKEW_Pos             30                                             /*!< SysTick CALIB: SKEW Position */
+#define SysTick_CALIB_SKEW_Msk             (1UL << SysTick_CALIB_SKEW_Pos)                /*!< SysTick CALIB: SKEW Mask */
+
+#define SysTick_CALIB_TENMS_Pos             0                                             /*!< SysTick CALIB: TENMS Position */
+#define SysTick_CALIB_TENMS_Msk            (0xFFFFFFUL << SysTick_VAL_CURRENT_Pos)        /*!< SysTick CALIB: TENMS Mask */
+
+/*@} end of group CMSIS_SysTick */
+
+
+/** \ingroup  CMSIS_core_register
+    \defgroup CMSIS_CoreDebug       Core Debug Registers (CoreDebug)
+    \brief      Cortex-M0 Core Debug Registers (DCB registers, SHCSR, and DFSR)
+                are only accessible over DAP and not via processor. Therefore
+                they are not covered by the Cortex-M0 header file.
+  @{
+ */
+/*@} end of group CMSIS_CoreDebug */
+
+
+/** \ingroup    CMSIS_core_register
+    \defgroup   CMSIS_core_base     Core Definitions
+    \brief      Definitions for base addresses, unions, and structures.
+  @{
+ */
+
+/* Memory mapping of Cortex-M0 Hardware */
+#define SCS_BASE            (0xE000E000UL)                            /*!< System Control Space Base Address */
+#define SysTick_BASE        (SCS_BASE +  0x0010UL)                    /*!< SysTick Base Address              */
+#define NVIC_BASE           (SCS_BASE +  0x0100UL)                    /*!< NVIC Base Address                 */
+#define SCB_BASE            (SCS_BASE +  0x0D00UL)                    /*!< System Control Block Base Address */
+
+#define SCB                 ((SCB_Type       *)     SCB_BASE      )   /*!< SCB configuration struct           */
+#define SysTick             ((SysTick_Type   *)     SysTick_BASE  )   /*!< SysTick configuration struct       */
+#define NVIC                ((NVIC_Type      *)     NVIC_BASE     )   /*!< NVIC configuration struct          */
+
+
+/*@} */
+
+
+
+/*******************************************************************************
+ *                Hardware Abstraction Layer
+  Core Function Interface contains:
+  - Core NVIC Functions
+  - Core SysTick Functions
+  - Core Register Access Functions
+ ******************************************************************************/
+/** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
+*/
+
+
+
+/* ##########################   NVIC functions  #################################### */
+/** \ingroup  CMSIS_Core_FunctionInterface
+    \defgroup CMSIS_Core_NVICFunctions NVIC Functions
+    \brief      Functions that manage interrupts and exceptions via the NVIC.
+    @{
+ */
+
+/* Interrupt Priorities are WORD accessible only under ARMv6M                   */
+/* The following MACROS handle generation of the register offset and byte masks */
+#define _BIT_SHIFT(IRQn)         (  (((uint32_t)(IRQn)       )    &  0x03) * 8 )
+#define _SHP_IDX(IRQn)           ( ((((uint32_t)(IRQn) & 0x0F)-8) >>    2)     )
+#define _IP_IDX(IRQn)            (   ((uint32_t)(IRQn)            >>    2)     )
+
+
+/** \brief  Enable External Interrupt
+
+    The function enables a device-specific interrupt in the NVIC interrupt controller.
+
+    \param [in]      IRQn  External interrupt number. Value cannot be negative.
+ */
+__STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
+{
+  NVIC->ISER[0] = (1 << ((uint32_t)(IRQn) & 0x1F));
+}
+
+
+/** \brief  Disable External Interrupt
+
+    The function disables a device-specific interrupt in the NVIC interrupt controller.
+
+    \param [in]      IRQn  External interrupt number. Value cannot be negative.
+ */
+__STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
+{
+  NVIC->ICER[0] = (1 << ((uint32_t)(IRQn) & 0x1F));
+}
+
+
+/** \brief  Get Pending Interrupt
+
+    The function reads the pending register in the NVIC and returns the pending bit
+    for the specified interrupt.
+
+    \param [in]      IRQn  Interrupt number.
+
+    \return             0  Interrupt status is not pending.
+    \return             1  Interrupt status is pending.
+ */
+__STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
+{
+  return((uint32_t) ((NVIC->ISPR[0] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
+}
+
+
+/** \brief  Set Pending Interrupt
+
+    The function sets the pending bit of an external interrupt.
+
+    \param [in]      IRQn  Interrupt number. Value cannot be negative.
+ */
+__STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
+{
+  NVIC->ISPR[0] = (1 << ((uint32_t)(IRQn) & 0x1F));
+}
+
+
+/** \brief  Clear Pending Interrupt
+
+    The function clears the pending bit of an external interrupt.
+
+    \param [in]      IRQn  External interrupt number. Value cannot be negative.
+ */
+__STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
+{
+  NVIC->ICPR[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* Clear pending interrupt */
+}
+
+
+/** \brief  Set Interrupt Priority
+
+    The function sets the priority of an interrupt.
+
+    \note The priority cannot be set for every core interrupt.
+
+    \param [in]      IRQn  Interrupt number.
+    \param [in]  priority  Priority to set.
+ */
+__STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
+{
+  if(IRQn < 0) {
+    SCB->SHP[_SHP_IDX(IRQn)] = (SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFF << _BIT_SHIFT(IRQn))) |
+        (((priority << (8 - __NVIC_PRIO_BITS)) & 0xFF) << _BIT_SHIFT(IRQn)); }
+  else {
+    NVIC->IP[_IP_IDX(IRQn)] = (NVIC->IP[_IP_IDX(IRQn)] & ~(0xFF << _BIT_SHIFT(IRQn))) |
+        (((priority << (8 - __NVIC_PRIO_BITS)) & 0xFF) << _BIT_SHIFT(IRQn)); }
+}
+
+
+/** \brief  Get Interrupt Priority
+
+    The function reads the priority of an interrupt. The interrupt
+    number can be positive to specify an external (device specific)
+    interrupt, or negative to specify an internal (core) interrupt.
+
+
+    \param [in]   IRQn  Interrupt number.
+    \return             Interrupt Priority. Value is aligned automatically to the implemented
+                        priority bits of the microcontroller.
+ */
+__STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
+{
+
+  if(IRQn < 0) {
+    return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & 0xFF) >> (8 - __NVIC_PRIO_BITS)));  } /* get priority for Cortex-M0 system interrupts */
+  else {
+    return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & 0xFF) >> (8 - __NVIC_PRIO_BITS)));  } /* get priority for device specific interrupts  */
+}
+
+
+/** \brief  System Reset
+
+    The function initiates a system reset request to reset the MCU.
+ */
+__STATIC_INLINE void NVIC_SystemReset(void)
+{
+  __DSB();                                                     /* Ensure all outstanding memory accesses included
+                                                                  buffered write are completed before reset */
+  SCB->AIRCR  = ((0x5FA << SCB_AIRCR_VECTKEY_Pos)      |
+                 SCB_AIRCR_SYSRESETREQ_Msk);
+  __DSB();                                                     /* Ensure completion of memory access */
+  while(1);                                                    /* wait until reset */
+}
+
+/*@} end of CMSIS_Core_NVICFunctions */
+
+
+
+/* ##################################    SysTick function  ############################################ */
+/** \ingroup  CMSIS_Core_FunctionInterface
+    \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
+    \brief      Functions that configure the System.
+  @{
+ */
+
+#if (__Vendor_SysTickConfig == 0)
+
+/** \brief  System Tick Configuration
+
+    The function initializes the System Timer and its interrupt, and starts the System Tick Timer.
+    Counter is in free running mode to generate periodic interrupts.
+
+    \param [in]  ticks  Number of ticks between two interrupts.
+
+    \return          0  Function succeeded.
+    \return          1  Function failed.
+
+    \note     When the variable __Vendor_SysTickConfig is set to 1, then the
+    function SysTick_Config is not included. In this case, the file device.h
+    must contain a vendor-specific implementation of this function.
+
+ */
+__STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
+{
+  if ((ticks - 1) > SysTick_LOAD_RELOAD_Msk)  return (1);      /* Reload value impossible */
+
+  SysTick->LOAD  = ticks - 1;                                  /* set reload register */
+  NVIC_SetPriority (SysTick_IRQn, (1<<__NVIC_PRIO_BITS) - 1);  /* set Priority for Systick Interrupt */
+  SysTick->VAL   = 0;                                          /* Load the SysTick Counter Value */
+  SysTick->CTRL  = SysTick_CTRL_CLKSOURCE_Msk |
+                   SysTick_CTRL_TICKINT_Msk   |
+                   SysTick_CTRL_ENABLE_Msk;                    /* Enable SysTick IRQ and SysTick Timer */
+  return (0);                                                  /* Function successful */
+}
+
+#endif
+
+/*@} end of CMSIS_Core_SysTickFunctions */
+
+
+
+
+#endif /* __CORE_CM0_H_DEPENDANT */
+
+#endif /* __CMSIS_GENERIC */
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/core_cmFunc.h b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/core_cmFunc.h
new file mode 100644
index 0000000000..3175adee1b
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/core_cmFunc.h
@@ -0,0 +1,616 @@
+/**************************************************************************//**
+ * @file     core_cmFunc.h
+ * @brief    CMSIS Cortex-M Core Function Access Header File
+ * @version  V3.02
+ * @date     24. May 2012
+ *
+ * @note
+ * Copyright (C) 2009-2012 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M
+ * processor based microcontrollers.  This file can be freely distributed
+ * within development tools that are supporting such ARM based processors.
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+#ifndef __CORE_CMFUNC_H
+#define __CORE_CMFUNC_H
+
+
+/* ###########################  Core Function Access  ########################### */
+/** \ingroup  CMSIS_Core_FunctionInterface
+    \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
+  @{
+ */
+
+#if   defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
+/* ARM armcc specific functions */
+
+#if (__ARMCC_VERSION < 400677)
+  #error "Please use ARM Compiler Toolchain V4.0.677 or later!"
+#endif
+
+/* intrinsic void __enable_irq();     */
+/* intrinsic void __disable_irq();    */
+
+/** \brief  Get Control Register
+
+    This function returns the content of the Control Register.
+
+    \return               Control Register value
+ */
+__STATIC_INLINE uint32_t __get_CONTROL(void)
+{
+  register uint32_t __regControl         __ASM("control");
+  return(__regControl);
+}
+
+
+/** \brief  Set Control Register
+
+    This function writes the given value to the Control Register.
+
+    \param [in]    control  Control Register value to set
+ */
+__STATIC_INLINE void __set_CONTROL(uint32_t control)
+{
+  register uint32_t __regControl         __ASM("control");
+  __regControl = control;
+}
+
+
+/** \brief  Get IPSR Register
+
+    This function returns the content of the IPSR Register.
+
+    \return               IPSR Register value
+ */
+__STATIC_INLINE uint32_t __get_IPSR(void)
+{
+  register uint32_t __regIPSR          __ASM("ipsr");
+  return(__regIPSR);
+}
+
+
+/** \brief  Get APSR Register
+
+    This function returns the content of the APSR Register.
+
+    \return               APSR Register value
+ */
+__STATIC_INLINE uint32_t __get_APSR(void)
+{
+  register uint32_t __regAPSR          __ASM("apsr");
+  return(__regAPSR);
+}
+
+
+/** \brief  Get xPSR Register
+
+    This function returns the content of the xPSR Register.
+
+    \return               xPSR Register value
+ */
+__STATIC_INLINE uint32_t __get_xPSR(void)
+{
+  register uint32_t __regXPSR          __ASM("xpsr");
+  return(__regXPSR);
+}
+
+
+/** \brief  Get Process Stack Pointer
+
+    This function returns the current value of the Process Stack Pointer (PSP).
+
+    \return               PSP Register value
+ */
+__STATIC_INLINE uint32_t __get_PSP(void)
+{
+  register uint32_t __regProcessStackPointer  __ASM("psp");
+  return(__regProcessStackPointer);
+}
+
+
+/** \brief  Set Process Stack Pointer
+
+    This function assigns the given value to the Process Stack Pointer (PSP).
+
+    \param [in]    topOfProcStack  Process Stack Pointer value to set
+ */
+__STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
+{
+  register uint32_t __regProcessStackPointer  __ASM("psp");
+  __regProcessStackPointer = topOfProcStack;
+}
+
+
+/** \brief  Get Main Stack Pointer
+
+    This function returns the current value of the Main Stack Pointer (MSP).
+
+    \return               MSP Register value
+ */
+__STATIC_INLINE uint32_t __get_MSP(void)
+{
+  register uint32_t __regMainStackPointer     __ASM("msp");
+  return(__regMainStackPointer);
+}
+
+
+/** \brief  Set Main Stack Pointer
+
+    This function assigns the given value to the Main Stack Pointer (MSP).
+
+    \param [in]    topOfMainStack  Main Stack Pointer value to set
+ */
+__STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
+{
+  register uint32_t __regMainStackPointer     __ASM("msp");
+  __regMainStackPointer = topOfMainStack;
+}
+
+
+/** \brief  Get Priority Mask
+
+    This function returns the current state of the priority mask bit from the Priority Mask Register.
+
+    \return               Priority Mask value
+ */
+__STATIC_INLINE uint32_t __get_PRIMASK(void)
+{
+  register uint32_t __regPriMask         __ASM("primask");
+  return(__regPriMask);
+}
+
+
+/** \brief  Set Priority Mask
+
+    This function assigns the given value to the Priority Mask Register.
+
+    \param [in]    priMask  Priority Mask
+ */
+__STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
+{
+  register uint32_t __regPriMask         __ASM("primask");
+  __regPriMask = (priMask);
+}
+
+
+#if       (__CORTEX_M >= 0x03)
+
+/** \brief  Enable FIQ
+
+    This function enables FIQ interrupts by clearing the F-bit in the CPSR.
+    Can only be executed in Privileged modes.
+ */
+#define __enable_fault_irq                __enable_fiq
+
+
+/** \brief  Disable FIQ
+
+    This function disables FIQ interrupts by setting the F-bit in the CPSR.
+    Can only be executed in Privileged modes.
+ */
+#define __disable_fault_irq               __disable_fiq
+
+
+/** \brief  Get Base Priority
+
+    This function returns the current value of the Base Priority register.
+
+    \return               Base Priority register value
+ */
+__STATIC_INLINE uint32_t  __get_BASEPRI(void)
+{
+  register uint32_t __regBasePri         __ASM("basepri");
+  return(__regBasePri);
+}
+
+
+/** \brief  Set Base Priority
+
+    This function assigns the given value to the Base Priority register.
+
+    \param [in]    basePri  Base Priority value to set
+ */
+__STATIC_INLINE void __set_BASEPRI(uint32_t basePri)
+{
+  register uint32_t __regBasePri         __ASM("basepri");
+  __regBasePri = (basePri & 0xff);
+}
+
+
+/** \brief  Get Fault Mask
+
+    This function returns the current value of the Fault Mask register.
+
+    \return               Fault Mask register value
+ */
+__STATIC_INLINE uint32_t __get_FAULTMASK(void)
+{
+  register uint32_t __regFaultMask       __ASM("faultmask");
+  return(__regFaultMask);
+}
+
+
+/** \brief  Set Fault Mask
+
+    This function assigns the given value to the Fault Mask register.
+
+    \param [in]    faultMask  Fault Mask value to set
+ */
+__STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
+{
+  register uint32_t __regFaultMask       __ASM("faultmask");
+  __regFaultMask = (faultMask & (uint32_t)1);
+}
+
+#endif /* (__CORTEX_M >= 0x03) */
+
+
+#if       (__CORTEX_M == 0x04)
+
+/** \brief  Get FPSCR
+
+    This function returns the current value of the Floating Point Status/Control register.
+
+    \return               Floating Point Status/Control register value
+ */
+__STATIC_INLINE uint32_t __get_FPSCR(void)
+{
+#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
+  register uint32_t __regfpscr         __ASM("fpscr");
+  return(__regfpscr);
+#else
+   return(0);
+#endif
+}
+
+
+/** \brief  Set FPSCR
+
+    This function assigns the given value to the Floating Point Status/Control register.
+
+    \param [in]    fpscr  Floating Point Status/Control value to set
+ */
+__STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
+{
+#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
+  register uint32_t __regfpscr         __ASM("fpscr");
+  __regfpscr = (fpscr);
+#endif
+}
+
+#endif /* (__CORTEX_M == 0x04) */
+
+
+#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/
+/* IAR iccarm specific functions */
+
+#include 
+
+
+#elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/
+/* TI CCS specific functions */
+
+#include 
+
+
+#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/
+/* GNU gcc specific functions */
+
+/** \brief  Enable IRQ Interrupts
+
+  This function enables IRQ interrupts by clearing the I-bit in the CPSR.
+  Can only be executed in Privileged modes.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_irq(void)
+{
+  __ASM volatile ("cpsie i" : : : "memory");
+}
+
+
+/** \brief  Disable IRQ Interrupts
+
+  This function disables IRQ interrupts by setting the I-bit in the CPSR.
+  Can only be executed in Privileged modes.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_irq(void)
+{
+  __ASM volatile ("cpsid i" : : : "memory");
+}
+
+
+/** \brief  Get Control Register
+
+    This function returns the content of the Control Register.
+
+    \return               Control Register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_CONTROL(void)
+{
+  uint32_t result;
+
+  __ASM volatile ("MRS %0, control" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Set Control Register
+
+    This function writes the given value to the Control Register.
+
+    \param [in]    control  Control Register value to set
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_CONTROL(uint32_t control)
+{
+  __ASM volatile ("MSR control, %0" : : "r" (control) );
+}
+
+
+/** \brief  Get IPSR Register
+
+    This function returns the content of the IPSR Register.
+
+    \return               IPSR Register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_IPSR(void)
+{
+  uint32_t result;
+
+  __ASM volatile ("MRS %0, ipsr" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Get APSR Register
+
+    This function returns the content of the APSR Register.
+
+    \return               APSR Register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_APSR(void)
+{
+  uint32_t result;
+
+  __ASM volatile ("MRS %0, apsr" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Get xPSR Register
+
+    This function returns the content of the xPSR Register.
+
+    \return               xPSR Register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_xPSR(void)
+{
+  uint32_t result;
+
+  __ASM volatile ("MRS %0, xpsr" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Get Process Stack Pointer
+
+    This function returns the current value of the Process Stack Pointer (PSP).
+
+    \return               PSP Register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PSP(void)
+{
+  register uint32_t result;
+
+  __ASM volatile ("MRS %0, psp\n"  : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Set Process Stack Pointer
+
+    This function assigns the given value to the Process Stack Pointer (PSP).
+
+    \param [in]    topOfProcStack  Process Stack Pointer value to set
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
+{
+  __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) );
+}
+
+
+/** \brief  Get Main Stack Pointer
+
+    This function returns the current value of the Main Stack Pointer (MSP).
+
+    \return               MSP Register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_MSP(void)
+{
+  register uint32_t result;
+
+  __ASM volatile ("MRS %0, msp\n" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Set Main Stack Pointer
+
+    This function assigns the given value to the Main Stack Pointer (MSP).
+
+    \param [in]    topOfMainStack  Main Stack Pointer value to set
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
+{
+  __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) );
+}
+
+
+/** \brief  Get Priority Mask
+
+    This function returns the current state of the priority mask bit from the Priority Mask Register.
+
+    \return               Priority Mask value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PRIMASK(void)
+{
+  uint32_t result;
+
+  __ASM volatile ("MRS %0, primask" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Set Priority Mask
+
+    This function assigns the given value to the Priority Mask Register.
+
+    \param [in]    priMask  Priority Mask
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
+{
+  __ASM volatile ("MSR primask, %0" : : "r" (priMask) );
+}
+
+
+#if       (__CORTEX_M >= 0x03)
+
+/** \brief  Enable FIQ
+
+    This function enables FIQ interrupts by clearing the F-bit in the CPSR.
+    Can only be executed in Privileged modes.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_fault_irq(void)
+{
+  __ASM volatile ("cpsie f" : : : "memory");
+}
+
+
+/** \brief  Disable FIQ
+
+    This function disables FIQ interrupts by setting the F-bit in the CPSR.
+    Can only be executed in Privileged modes.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_fault_irq(void)
+{
+  __ASM volatile ("cpsid f" : : : "memory");
+}
+
+
+/** \brief  Get Base Priority
+
+    This function returns the current value of the Base Priority register.
+
+    \return               Base Priority register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_BASEPRI(void)
+{
+  uint32_t result;
+
+  __ASM volatile ("MRS %0, basepri_max" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Set Base Priority
+
+    This function assigns the given value to the Base Priority register.
+
+    \param [in]    basePri  Base Priority value to set
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI(uint32_t value)
+{
+  __ASM volatile ("MSR basepri, %0" : : "r" (value) );
+}
+
+
+/** \brief  Get Fault Mask
+
+    This function returns the current value of the Fault Mask register.
+
+    \return               Fault Mask register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FAULTMASK(void)
+{
+  uint32_t result;
+
+  __ASM volatile ("MRS %0, faultmask" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Set Fault Mask
+
+    This function assigns the given value to the Fault Mask register.
+
+    \param [in]    faultMask  Fault Mask value to set
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
+{
+  __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) );
+}
+
+#endif /* (__CORTEX_M >= 0x03) */
+
+
+#if       (__CORTEX_M == 0x04)
+
+/** \brief  Get FPSCR
+
+    This function returns the current value of the Floating Point Status/Control register.
+
+    \return               Floating Point Status/Control register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPSCR(void)
+{
+#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
+  uint32_t result;
+
+  __ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
+  return(result);
+#else
+   return(0);
+#endif
+}
+
+
+/** \brief  Set FPSCR
+
+    This function assigns the given value to the Floating Point Status/Control register.
+
+    \param [in]    fpscr  Floating Point Status/Control value to set
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
+{
+#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
+  __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) );
+#endif
+}
+
+#endif /* (__CORTEX_M == 0x04) */
+
+
+#elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/
+/* TASKING carm specific functions */
+
+/*
+ * The CMSIS functions have been implemented as intrinsics in the compiler.
+ * Please use "carm -?i" to get an up to date list of all instrinsics,
+ * Including the CMSIS ones.
+ */
+
+#endif
+
+/*@} end of CMSIS_Core_RegAccFunctions */
+
+
+#endif /* __CORE_CMFUNC_H */
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/core_cmInstr.h b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/core_cmInstr.h
new file mode 100644
index 0000000000..eefce6f07f
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/core_cmInstr.h
@@ -0,0 +1,643 @@
+/**************************************************************************//**
+ * @file     core_cmInstr.h
+ * @brief    CMSIS Cortex-M Core Instruction Access Header File
+ * @version  V3.03
+ * @date     29. August 2012
+ *
+ * @note
+ * Copyright (C) 2009-2012 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M
+ * processor based microcontrollers.  This file can be freely distributed
+ * within development tools that are supporting such ARM based processors.
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+#ifndef __CORE_CMINSTR_H
+#define __CORE_CMINSTR_H
+
+
+/* ##########################  Core Instruction Access  ######################### */
+/** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
+  Access to dedicated instructions
+  @{
+*/
+
+#if   defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
+/* ARM armcc specific functions */
+
+#if (__ARMCC_VERSION < 400677)
+  #error "Please use ARM Compiler Toolchain V4.0.677 or later!"
+#endif
+
+
+/** \brief  No Operation
+
+    No Operation does nothing. This instruction can be used for code alignment purposes.
+ */
+#define __NOP                             __nop
+
+
+/** \brief  Wait For Interrupt
+
+    Wait For Interrupt is a hint instruction that suspends execution
+    until one of a number of events occurs.
+ */
+#define __WFI                             __wfi
+
+
+/** \brief  Wait For Event
+
+    Wait For Event is a hint instruction that permits the processor to enter
+    a low-power state until one of a number of events occurs.
+ */
+#define __WFE                             __wfe
+
+
+/** \brief  Send Event
+
+    Send Event is a hint instruction. It causes an event to be signaled to the CPU.
+ */
+#define __SEV                             __sev
+
+
+/** \brief  Instruction Synchronization Barrier
+
+    Instruction Synchronization Barrier flushes the pipeline in the processor,
+    so that all instructions following the ISB are fetched from cache or
+    memory, after the instruction has been completed.
+ */
+#define __ISB()                           __isb(0xF)
+
+
+/** \brief  Data Synchronization Barrier
+
+    This function acts as a special kind of Data Memory Barrier.
+    It completes when all explicit memory accesses before this instruction complete.
+ */
+#define __DSB()                           __dsb(0xF)
+
+
+/** \brief  Data Memory Barrier
+
+    This function ensures the apparent order of the explicit memory operations before
+    and after the instruction, without ensuring their completion.
+ */
+#define __DMB()                           __dmb(0xF)
+
+
+/** \brief  Reverse byte order (32 bit)
+
+    This function reverses the byte order in integer value.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+#define __REV                             __rev
+
+
+/** \brief  Reverse byte order (16 bit)
+
+    This function reverses the byte order in two unsigned short values.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+#ifndef __NO_EMBEDDED_ASM
+__attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint32_t __REV16(uint32_t value)
+{
+  rev16 r0, r0
+  bx lr
+}
+#endif
+
+/** \brief  Reverse byte order in signed short value
+
+    This function reverses the byte order in a signed short value with sign extension to integer.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+#ifndef __NO_EMBEDDED_ASM
+__attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int32_t __REVSH(int32_t value)
+{
+  revsh r0, r0
+  bx lr
+}
+#endif
+
+
+/** \brief  Rotate Right in unsigned value (32 bit)
+
+    This function Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
+
+    \param [in]    value  Value to rotate
+    \param [in]    value  Number of Bits to rotate
+    \return               Rotated value
+ */
+#define __ROR                             __ror
+
+
+/** \brief  Breakpoint
+
+    This function causes the processor to enter Debug state.
+    Debug tools can use this to investigate system state when the instruction at a particular address is reached.
+
+    \param [in]    value  is ignored by the processor.
+                   If required, a debugger can use it to store additional information about the breakpoint.
+ */
+#define __BKPT(value)                       __breakpoint(value)
+
+
+#if       (__CORTEX_M >= 0x03)
+
+/** \brief  Reverse bit order of value
+
+    This function reverses the bit order of the given value.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+#define __RBIT                            __rbit
+
+
+/** \brief  LDR Exclusive (8 bit)
+
+    This function performs a exclusive LDR command for 8 bit value.
+
+    \param [in]    ptr  Pointer to data
+    \return             value of type uint8_t at (*ptr)
+ */
+#define __LDREXB(ptr)                     ((uint8_t ) __ldrex(ptr))
+
+
+/** \brief  LDR Exclusive (16 bit)
+
+    This function performs a exclusive LDR command for 16 bit values.
+
+    \param [in]    ptr  Pointer to data
+    \return        value of type uint16_t at (*ptr)
+ */
+#define __LDREXH(ptr)                     ((uint16_t) __ldrex(ptr))
+
+
+/** \brief  LDR Exclusive (32 bit)
+
+    This function performs a exclusive LDR command for 32 bit values.
+
+    \param [in]    ptr  Pointer to data
+    \return        value of type uint32_t at (*ptr)
+ */
+#define __LDREXW(ptr)                     ((uint32_t ) __ldrex(ptr))
+
+
+/** \brief  STR Exclusive (8 bit)
+
+    This function performs a exclusive STR command for 8 bit values.
+
+    \param [in]  value  Value to store
+    \param [in]    ptr  Pointer to location
+    \return          0  Function succeeded
+    \return          1  Function failed
+ */
+#define __STREXB(value, ptr)              __strex(value, ptr)
+
+
+/** \brief  STR Exclusive (16 bit)
+
+    This function performs a exclusive STR command for 16 bit values.
+
+    \param [in]  value  Value to store
+    \param [in]    ptr  Pointer to location
+    \return          0  Function succeeded
+    \return          1  Function failed
+ */
+#define __STREXH(value, ptr)              __strex(value, ptr)
+
+
+/** \brief  STR Exclusive (32 bit)
+
+    This function performs a exclusive STR command for 32 bit values.
+
+    \param [in]  value  Value to store
+    \param [in]    ptr  Pointer to location
+    \return          0  Function succeeded
+    \return          1  Function failed
+ */
+#define __STREXW(value, ptr)              __strex(value, ptr)
+
+
+/** \brief  Remove the exclusive lock
+
+    This function removes the exclusive lock which is created by LDREX.
+
+ */
+#define __CLREX                           __clrex
+
+
+/** \brief  Signed Saturate
+
+    This function saturates a signed value.
+
+    \param [in]  value  Value to be saturated
+    \param [in]    sat  Bit position to saturate to (1..32)
+    \return             Saturated value
+ */
+#define __SSAT                            __ssat
+
+
+/** \brief  Unsigned Saturate
+
+    This function saturates an unsigned value.
+
+    \param [in]  value  Value to be saturated
+    \param [in]    sat  Bit position to saturate to (0..31)
+    \return             Saturated value
+ */
+#define __USAT                            __usat
+
+
+/** \brief  Count leading zeros
+
+    This function counts the number of leading zeros of a data value.
+
+    \param [in]  value  Value to count the leading zeros
+    \return             number of leading zeros in value
+ */
+#define __CLZ                             __clz
+
+#endif /* (__CORTEX_M >= 0x03) */
+
+
+
+#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/
+/* IAR iccarm specific functions */
+
+#include 
+
+
+#elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/
+/* TI CCS specific functions */
+
+#include 
+
+
+#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/
+/* GNU gcc specific functions */
+
+/** \brief  No Operation
+
+    No Operation does nothing. This instruction can be used for code alignment purposes.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __NOP(void)
+{
+  __ASM volatile ("nop");
+}
+
+
+/** \brief  Wait For Interrupt
+
+    Wait For Interrupt is a hint instruction that suspends execution
+    until one of a number of events occurs.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __WFI(void)
+{
+  __ASM volatile ("wfi");
+}
+
+
+/** \brief  Wait For Event
+
+    Wait For Event is a hint instruction that permits the processor to enter
+    a low-power state until one of a number of events occurs.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __WFE(void)
+{
+  __ASM volatile ("wfe");
+}
+
+
+/** \brief  Send Event
+
+    Send Event is a hint instruction. It causes an event to be signaled to the CPU.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __SEV(void)
+{
+  __ASM volatile ("sev");
+}
+
+
+/** \brief  Instruction Synchronization Barrier
+
+    Instruction Synchronization Barrier flushes the pipeline in the processor,
+    so that all instructions following the ISB are fetched from cache or
+    memory, after the instruction has been completed.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __ISB(void)
+{
+  __ASM volatile ("isb");
+}
+
+
+/** \brief  Data Synchronization Barrier
+
+    This function acts as a special kind of Data Memory Barrier.
+    It completes when all explicit memory accesses before this instruction complete.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __DSB(void)
+{
+  __ASM volatile ("dsb");
+}
+
+
+/** \brief  Data Memory Barrier
+
+    This function ensures the apparent order of the explicit memory operations before
+    and after the instruction, without ensuring their completion.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __DMB(void)
+{
+  __ASM volatile ("dmb");
+}
+
+
+/** \brief  Reverse byte order (32 bit)
+
+    This function reverses the byte order in integer value.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __REV(uint32_t value)
+{
+  uint32_t result;
+
+  __ASM volatile ("rev %0, %1" : "=r" (result) : "r" (value) );
+  return(result);
+}
+
+
+/** \brief  Reverse byte order (16 bit)
+
+    This function reverses the byte order in two unsigned short values.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __REV16(uint32_t value)
+{
+  uint32_t result;
+
+  __ASM volatile ("rev16 %0, %1" : "=r" (result) : "r" (value) );
+  return(result);
+}
+
+
+/** \brief  Reverse byte order in signed short value
+
+    This function reverses the byte order in a signed short value with sign extension to integer.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE int32_t __REVSH(int32_t value)
+{
+  uint32_t result;
+
+  __ASM volatile ("revsh %0, %1" : "=r" (result) : "r" (value) );
+  return(result);
+}
+
+
+/** \brief  Rotate Right in unsigned value (32 bit)
+
+    This function Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
+
+    \param [in]    value  Value to rotate
+    \param [in]    value  Number of Bits to rotate
+    \return               Rotated value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __ROR(uint32_t op1, uint32_t op2)
+{
+
+  __ASM volatile ("ror %0, %0, %1" : "+r" (op1) : "r" (op2) );
+  return(op1);
+}
+
+
+/** \brief  Breakpoint
+
+    This function causes the processor to enter Debug state.
+    Debug tools can use this to investigate system state when the instruction at a particular address is reached.
+
+    \param [in]    value  is ignored by the processor.
+                   If required, a debugger can use it to store additional information about the breakpoint.
+ */
+#define __BKPT(value)                       __ASM volatile ("bkpt "#value)
+
+
+#if       (__CORTEX_M >= 0x03)
+
+/** \brief  Reverse bit order of value
+
+    This function reverses the bit order of the given value.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __RBIT(uint32_t value)
+{
+  uint32_t result;
+
+   __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
+   return(result);
+}
+
+
+/** \brief  LDR Exclusive (8 bit)
+
+    This function performs a exclusive LDR command for 8 bit value.
+
+    \param [in]    ptr  Pointer to data
+    \return             value of type uint8_t at (*ptr)
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint8_t __LDREXB(volatile uint8_t *addr)
+{
+    uint8_t result;
+
+   __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) );
+   return(result);
+}
+
+
+/** \brief  LDR Exclusive (16 bit)
+
+    This function performs a exclusive LDR command for 16 bit values.
+
+    \param [in]    ptr  Pointer to data
+    \return        value of type uint16_t at (*ptr)
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint16_t __LDREXH(volatile uint16_t *addr)
+{
+    uint16_t result;
+
+   __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) );
+   return(result);
+}
+
+
+/** \brief  LDR Exclusive (32 bit)
+
+    This function performs a exclusive LDR command for 32 bit values.
+
+    \param [in]    ptr  Pointer to data
+    \return        value of type uint32_t at (*ptr)
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __LDREXW(volatile uint32_t *addr)
+{
+    uint32_t result;
+
+   __ASM volatile ("ldrex %0, [%1]" : "=r" (result) : "r" (addr) );
+   return(result);
+}
+
+
+/** \brief  STR Exclusive (8 bit)
+
+    This function performs a exclusive STR command for 8 bit values.
+
+    \param [in]  value  Value to store
+    \param [in]    ptr  Pointer to location
+    \return          0  Function succeeded
+    \return          1  Function failed
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr)
+{
+   uint32_t result;
+
+   __ASM volatile ("strexb %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
+   return(result);
+}
+
+
+/** \brief  STR Exclusive (16 bit)
+
+    This function performs a exclusive STR command for 16 bit values.
+
+    \param [in]  value  Value to store
+    \param [in]    ptr  Pointer to location
+    \return          0  Function succeeded
+    \return          1  Function failed
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr)
+{
+   uint32_t result;
+
+   __ASM volatile ("strexh %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
+   return(result);
+}
+
+
+/** \brief  STR Exclusive (32 bit)
+
+    This function performs a exclusive STR command for 32 bit values.
+
+    \param [in]  value  Value to store
+    \param [in]    ptr  Pointer to location
+    \return          0  Function succeeded
+    \return          1  Function failed
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr)
+{
+   uint32_t result;
+
+   __ASM volatile ("strex %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
+   return(result);
+}
+
+
+/** \brief  Remove the exclusive lock
+
+    This function removes the exclusive lock which is created by LDREX.
+
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __CLREX(void)
+{
+  __ASM volatile ("clrex");
+}
+
+
+/** \brief  Signed Saturate
+
+    This function saturates a signed value.
+
+    \param [in]  value  Value to be saturated
+    \param [in]    sat  Bit position to saturate to (1..32)
+    \return             Saturated value
+ */
+#define __SSAT(ARG1,ARG2) \
+({                          \
+  uint32_t __RES, __ARG1 = (ARG1); \
+  __ASM ("ssat %0, %1, %2" : "=r" (__RES) :  "I" (ARG2), "r" (__ARG1) ); \
+  __RES; \
+ })
+
+
+/** \brief  Unsigned Saturate
+
+    This function saturates an unsigned value.
+
+    \param [in]  value  Value to be saturated
+    \param [in]    sat  Bit position to saturate to (0..31)
+    \return             Saturated value
+ */
+#define __USAT(ARG1,ARG2) \
+({                          \
+  uint32_t __RES, __ARG1 = (ARG1); \
+  __ASM ("usat %0, %1, %2" : "=r" (__RES) :  "I" (ARG2), "r" (__ARG1) ); \
+  __RES; \
+ })
+
+
+/** \brief  Count leading zeros
+
+    This function counts the number of leading zeros of a data value.
+
+    \param [in]  value  Value to count the leading zeros
+    \return             number of leading zeros in value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint8_t __CLZ(uint32_t value)
+{
+  uint8_t result;
+
+  __ASM volatile ("clz %0, %1" : "=r" (result) : "r" (value) );
+  return(result);
+}
+
+#endif /* (__CORTEX_M >= 0x03) */
+
+
+
+
+#elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/
+/* TASKING carm specific functions */
+
+/*
+ * The CMSIS functions have been implemented as intrinsics in the compiler.
+ * Please use "carm -?i" to get an up to date list of all intrinsics,
+ * Including the CMSIS ones.
+ */
+
+#endif
+
+/*@}*/ /* end of group CMSIS_Core_InstructionInterface */
+
+#endif /* __CORE_CMINSTR_H */
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/power_api.h b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/power_api.h
new file mode 100644
index 0000000000..23296c5ffa
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/power_api.h
@@ -0,0 +1,82 @@
+/****************************************************************************
+ *   $Id:: power_api.h 6249 2011-01-25 19:23:47Z usb01267                   $
+ *   Project: NXP LPC11Uxx software example  
+ *
+ *   Description:
+ *     Power API Header File for NXP LPC11Uxx Device Series 
+ *
+ ****************************************************************************
+ * Software that is described herein is for illustrative purposes only
+ * which provides customers with programming information regarding the
+ * products. This software is supplied "AS IS" without any warranties.
+ * NXP Semiconductors assumes no responsibility or liability for the
+ * use of the software, conveys no license or title under any patent,
+ * copyright, or mask work right to the product. NXP Semiconductors
+ * reserves the right to make changes in the software without
+ * notification. NXP Semiconductors also make no representation or
+ * warranty that such application will be suitable for the specified
+ * use without further testing or modification.
+****************************************************************************/
+#ifndef __LPC11UXX_POWER_API_H__
+#define __LPC11UXX_POWER_API_H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif 
+
+#define PWRROMD_PRESENT
+
+typedef	struct _PWRD {
+  void (*set_pll)(unsigned int cmd[], unsigned int resp[]);
+  void (*set_power)(unsigned int cmd[], unsigned int resp[]);
+}  PWRD;
+
+typedef	struct _ROM {
+#ifdef USBROMD_PRESENT
+   const USB * pUSBD;
+#else
+   const unsigned p_usbd;
+#endif /* USBROMD_PRESENT */
+   const unsigned p_clib;
+   const unsigned p_cand;
+#ifdef PWRROMD_PRESENT
+   const PWRD * pPWRD;
+#else
+   const unsigned p_pwrd;
+#endif /* PWRROMD_PRESENT */
+   const unsigned p_dev1;
+   const unsigned p_dev2;
+   const unsigned p_dev3;
+   const unsigned p_dev4; 
+}  ROM;
+
+//PLL setup related definitions
+#define	CPU_FREQ_EQU  		0       //main PLL freq must be equal to the specified 
+#define	CPU_FREQ_LTE		1       //main PLL freq must be less than or equal the specified
+#define	CPU_FREQ_GTE		2       //main PLL freq must be greater than or equal the specified
+#define	CPU_FREQ_APPROX		3       //main PLL freq must be as close as possible the specified
+
+#define	PLL_CMD_SUCCESS		0       //PLL setup successfully found
+#define	PLL_INVALID_FREQ	1       //specified freq out of range (either input or output)
+#define	PLL_INVALID_MODE	2       //invalid mode (see above for valid) specified
+#define	PLL_FREQ_NOT_FOUND	3       //specified freq not found under specified conditions
+#define	PLL_NOT_LOCKED		4       //PLL not locked => no changes to the PLL setup
+
+//power setup elated definitions
+#define	PARAM_DEFAULT			0   //default power settings (voltage regulator, flash interface)
+#define	PARAM_CPU_PERFORMANCE	1   //setup for maximum CPU performance (higher current, more computation)
+#define	PARAM_EFFICIENCY		2   //balanced setting (power vs CPU performance)
+#define	PARAM_LOW_CURRENT		3   //lowest active current, lowest CPU performance
+
+#define	PARAM_CMD_SUCCESS		0   //power setting successfully found
+#define	PARAM_INVALID_FREQ		1   //specified freq out of range (=0 or > 50 MHz)
+#define	PARAM_INVALID_MODE		2   //specified mode not valid (see above for valid)
+
+#define MAX_CLOCK_KHZ_PARAM                50000
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* __LPC11UXX_POWER_API_H__ */
+
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/system_LPC11Uxx.c b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/system_LPC11Uxx.c
new file mode 100644
index 0000000000..572d498504
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/system_LPC11Uxx.c
@@ -0,0 +1,455 @@
+/******************************************************************************
+ * @file     system_LPC11Uxx.c
+ * @purpose  CMSIS Cortex-M3 Device Peripheral Access Layer Source File
+ *           for the NXP LPC13xx Device Series
+ * @version  V1.10
+ * @date     24. November 2010
+ *
+ * @note
+ * Copyright (C) 2009-2010 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M 
+ * processor based microcontrollers.  This file can be freely distributed 
+ * within development tools that are supporting such ARM based processors. 
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+
+#include 
+#include "LPC11Uxx.h"
+
+/*
+//-------- <<< Use Configuration Wizard in Context Menu >>> ------------------
+*/
+
+/*--------------------- Clock Configuration ----------------------------------
+//
+//  Clock Configuration
+//    System Oscillator Control Register (SYSOSCCTRL)
+//           BYPASS: System Oscillator Bypass Enable
+//                      If enabled then PLL input (sys_osc_clk) is fed
+//                      directly from XTALIN and XTALOUT pins.
+//           FREQRANGE: System Oscillator Frequency Range
+//                      Determines frequency range for Low-power oscillator.
+//                   <0=> 1 - 20 MHz
+//                   <1=> 15 - 25 MHz
+//   
+//
+//    Watchdog Oscillator Control Register (WDTOSCCTRL)
+//        DIVSEL: Select Divider for Fclkana
+//                      wdt_osc_clk = Fclkana/ (2 × (1 + DIVSEL))
+//                   <0-31>
+//        FREQSEL: Select Watchdog Oscillator Analog Output Frequency (Fclkana)
+//                   <0=> Undefined
+//                   <1=> 0.5 MHz
+//                   <2=> 0.8 MHz
+//                   <3=> 1.1 MHz
+//                   <4=> 1.4 MHz
+//                   <5=> 1.6 MHz
+//                   <6=> 1.8 MHz
+//                   <7=> 2.0 MHz
+//                   <8=> 2.2 MHz
+//                   <9=> 2.4 MHz
+//                   <10=> 2.6 MHz
+//                   <11=> 2.7 MHz
+//                   <12=> 2.9 MHz
+//                   <13=> 3.1 MHz
+//                   <14=> 3.2 MHz
+//                   <15=> 3.4 MHz
+//   
+//
+//    System PLL Control Register (SYSPLLCTRL)
+//                    F_clkout = M * F_clkin = F_CCO / (2 * P)
+//                    F_clkin must be in the range of  10 MHz to  25 MHz
+//                    F_CCO   must be in the range of 156 MHz to 320 MHz
+//        MSEL: Feedback Divider Selection
+//                      M = MSEL + 1
+//                   <0-31>
+//        PSEL: Post Divider Selection
+//                   <0=> P = 1
+//                   <1=> P = 2
+//                   <2=> P = 4
+//                   <3=> P = 8
+//   
+//
+//    System PLL Clock Source Select Register (SYSPLLCLKSEL)
+//        SEL: System PLL Clock Source
+//                   <0=> IRC Oscillator
+//                   <1=> System Oscillator
+//                   <2=> Reserved
+//                   <3=> Reserved
+//   
+//
+//    Main Clock Source Select Register (MAINCLKSEL)
+//        SEL: Clock Source for Main Clock
+//                   <0=> IRC Oscillator
+//                   <1=> Input Clock to System PLL
+//                   <2=> WDT Oscillator
+//                   <3=> System PLL Clock Out
+//   
+//
+//    System AHB Clock Divider Register (SYSAHBCLKDIV)
+//        DIV: System AHB Clock Divider
+//                      Divides main clock to provide system clock to core, memories, and peripherals.
+//                      0 = is disabled
+//                   <0-255>
+//   
+//
+//    USB PLL Control Register (USBPLLCTRL)
+//                    F_clkout = M * F_clkin = F_CCO / (2 * P)
+//                    F_clkin must be in the range of  10 MHz to  25 MHz
+//                    F_CCO   must be in the range of 156 MHz to 320 MHz
+//        MSEL: Feedback Divider Selection
+//                      M = MSEL + 1
+//                   <0-31>
+//        PSEL: Post Divider Selection
+//                   <0=> P = 1
+//                   <1=> P = 2
+//                   <2=> P = 4
+//                   <3=> P = 8
+//   
+//
+//    USB PLL Clock Source Select Register (USBPLLCLKSEL)
+//        SEL: USB PLL Clock Source
+//                      USB PLL clock source must be switched to System Oscillator for correct USB operation
+//                   <0=> IRC Oscillator
+//                   <1=> System Oscillator
+//                   <2=> Reserved
+//                   <3=> Reserved
+//   
+//
+//    USB Clock Source Select Register (USBCLKSEL)
+//        SEL: System PLL Clock Source
+//                   <0=> USB PLL out
+//                   <1=> Main clock
+//                   <2=> Reserved
+//                   <3=> Reserved
+//   
+//
+//    USB Clock Divider Register (USBCLKDIV)
+//       DIV: USB Clock Divider
+//                      Divides USB clock to 48 MHz.
+//                      0 = is disabled
+//                   <0-255>
+//   
+// 
+*/
+#define CLOCK_SETUP           1
+#define SYSOSCCTRL_Val        0x00000000              // Reset: 0x000
+#define WDTOSCCTRL_Val        0x00000000              // Reset: 0x000
+#define SYSPLLCTRL_Val        0x00000023              // Reset: 0x000
+#define SYSPLLCLKSEL_Val      0x00000001              // Reset: 0x000
+#define MAINCLKSEL_Val        0x00000003              // Reset: 0x000
+#define SYSAHBCLKDIV_Val      0x00000001              // Reset: 0x001
+#define USBPLLCTRL_Val        0x00000023              // Reset: 0x000
+#define USBPLLCLKSEL_Val      0x00000001              // Reset: 0x000
+#define USBCLKSEL_Val         0x00000000              // Reset: 0x000
+#define USBCLKDIV_Val         0x00000001              // Reset: 0x001
+
+/*
+//-------- <<< end of configuration section >>> ------------------------------
+*/
+
+/*----------------------------------------------------------------------------
+  Check the register settings
+ *----------------------------------------------------------------------------*/
+#define CHECK_RANGE(val, min, max)                ((val < min) || (val > max))
+#define CHECK_RSVD(val, mask)                     (val & mask)
+
+/* Clock Configuration -------------------------------------------------------*/
+#if (CHECK_RSVD((SYSOSCCTRL_Val),  ~0x00000003))
+   #error "SYSOSCCTRL: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RSVD((WDTOSCCTRL_Val),  ~0x000001FF))
+   #error "WDTOSCCTRL: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RANGE((SYSPLLCLKSEL_Val), 0, 2))
+   #error "SYSPLLCLKSEL: Value out of range!"
+#endif
+
+#if (CHECK_RSVD((SYSPLLCTRL_Val),  ~0x000001FF))
+   #error "SYSPLLCTRL: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RSVD((MAINCLKSEL_Val),  ~0x00000003))
+   #error "MAINCLKSEL: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RANGE((SYSAHBCLKDIV_Val), 0, 255))
+   #error "SYSAHBCLKDIV: Value out of range!"
+#endif
+
+#if (CHECK_RANGE((USBPLLCLKSEL_Val), 0, 1))
+   #error "USBPLLCLKSEL: Value out of range!"
+#endif
+
+#if (CHECK_RSVD((USBPLLCTRL_Val),  ~0x000001FF))
+   #error "USBPLLCTRL: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RANGE((USBCLKSEL_Val), 0, 1))
+   #error "USBCLKSEL: Value out of range!"
+#endif
+
+#if (CHECK_RANGE((USBCLKDIV_Val), 0, 255))
+   #error "USBCLKDIV: Value out of range!"
+#endif
+
+
+/*----------------------------------------------------------------------------
+  DEFINES
+ *----------------------------------------------------------------------------*/
+    
+/*----------------------------------------------------------------------------
+  Define clocks
+ *----------------------------------------------------------------------------*/
+#define __XTAL            (12000000UL)    /* Oscillator frequency             */
+#define __SYS_OSC_CLK     (    __XTAL)    /* Main oscillator frequency        */
+#define __IRC_OSC_CLK     (12000000UL)    /* Internal RC oscillator frequency */
+
+
+#define __FREQSEL   ((WDTOSCCTRL_Val >> 5) & 0x0F)
+#define __DIVSEL   (((WDTOSCCTRL_Val & 0x1F) << 1) + 2)
+
+#if (CLOCK_SETUP)                         /* Clock Setup              */
+  #if  (__FREQSEL ==  0)
+    #define __WDT_OSC_CLK        ( 0)                  /* undefined */
+  #elif (__FREQSEL ==  1)
+    #define __WDT_OSC_CLK        ( 500000 / __DIVSEL)
+  #elif (__FREQSEL ==  2)
+    #define __WDT_OSC_CLK        ( 800000 / __DIVSEL)
+  #elif (__FREQSEL ==  3)
+    #define __WDT_OSC_CLK        (1100000 / __DIVSEL)
+  #elif (__FREQSEL ==  4)
+    #define __WDT_OSC_CLK        (1400000 / __DIVSEL)
+  #elif (__FREQSEL ==  5)
+    #define __WDT_OSC_CLK        (1600000 / __DIVSEL)
+  #elif (__FREQSEL ==  6)
+    #define __WDT_OSC_CLK        (1800000 / __DIVSEL)
+  #elif (__FREQSEL ==  7)
+    #define __WDT_OSC_CLK        (2000000 / __DIVSEL)
+  #elif (__FREQSEL ==  8)
+    #define __WDT_OSC_CLK        (2200000 / __DIVSEL)
+  #elif (__FREQSEL ==  9)
+    #define __WDT_OSC_CLK        (2400000 / __DIVSEL)
+  #elif (__FREQSEL == 10)
+    #define __WDT_OSC_CLK        (2600000 / __DIVSEL)
+  #elif (__FREQSEL == 11)
+    #define __WDT_OSC_CLK        (2700000 / __DIVSEL)
+  #elif (__FREQSEL == 12)
+    #define __WDT_OSC_CLK        (2900000 / __DIVSEL)
+  #elif (__FREQSEL == 13)
+    #define __WDT_OSC_CLK        (3100000 / __DIVSEL)
+  #elif (__FREQSEL == 14)
+    #define __WDT_OSC_CLK        (3200000 / __DIVSEL)
+  #else
+    #define __WDT_OSC_CLK        (3400000 / __DIVSEL)
+  #endif
+
+  /* sys_pllclkin calculation */
+  #if   ((SYSPLLCLKSEL_Val & 0x03) == 0)
+    #define __SYS_PLLCLKIN           (__IRC_OSC_CLK)
+  #elif ((SYSPLLCLKSEL_Val & 0x03) == 1)
+    #define __SYS_PLLCLKIN           (__SYS_OSC_CLK)
+  #else
+    #define __SYS_PLLCLKIN           (0)
+  #endif
+
+  #define  __SYS_PLLCLKOUT         (__SYS_PLLCLKIN * ((SYSPLLCTRL_Val & 0x01F) + 1))
+
+  /* main clock calculation */
+  #if   ((MAINCLKSEL_Val & 0x03) == 0)
+    #define __MAIN_CLOCK             (__IRC_OSC_CLK)
+  #elif ((MAINCLKSEL_Val & 0x03) == 1)
+    #define __MAIN_CLOCK             (__SYS_PLLCLKIN)
+  #elif ((MAINCLKSEL_Val & 0x03) == 2)
+    #if (__FREQSEL ==  0)
+      #error "MAINCLKSEL: WDT Oscillator selected but FREQSEL is undefined!"
+    #else
+      #define __MAIN_CLOCK           (__WDT_OSC_CLK)
+    #endif
+  #elif ((MAINCLKSEL_Val & 0x03) == 3)
+    #define __MAIN_CLOCK             (__SYS_PLLCLKOUT)
+  #else
+    #define __MAIN_CLOCK             (0)
+  #endif
+
+  #define __SYSTEM_CLOCK             (__MAIN_CLOCK / SYSAHBCLKDIV_Val)         
+
+#else
+  #define __SYSTEM_CLOCK             (__IRC_OSC_CLK)
+#endif  // CLOCK_SETUP 
+
+
+/*----------------------------------------------------------------------------
+  Clock Variable definitions
+ *----------------------------------------------------------------------------*/
+uint32_t SystemCoreClock = __SYSTEM_CLOCK;/*!< System Clock Frequency (Core Clock)*/
+
+
+/*----------------------------------------------------------------------------
+  Clock functions
+ *----------------------------------------------------------------------------*/
+void SystemCoreClockUpdate (void)            /* Get Core Clock Frequency      */
+{
+  uint32_t wdt_osc = 0;
+
+  /* Determine clock frequency according to clock register values             */
+  switch ((LPC_SYSCON->WDTOSCCTRL >> 5) & 0x0F) {
+    case 0:  wdt_osc =       0; break;
+    case 1:  wdt_osc =  500000; break;
+    case 2:  wdt_osc =  800000; break;
+    case 3:  wdt_osc = 1100000; break;
+    case 4:  wdt_osc = 1400000; break;
+    case 5:  wdt_osc = 1600000; break;
+    case 6:  wdt_osc = 1800000; break;
+    case 7:  wdt_osc = 2000000; break;
+    case 8:  wdt_osc = 2200000; break;
+    case 9:  wdt_osc = 2400000; break;
+    case 10: wdt_osc = 2600000; break;
+    case 11: wdt_osc = 2700000; break;
+    case 12: wdt_osc = 2900000; break;
+    case 13: wdt_osc = 3100000; break;
+    case 14: wdt_osc = 3200000; break;
+    case 15: wdt_osc = 3400000; break;
+  }
+  wdt_osc /= ((LPC_SYSCON->WDTOSCCTRL & 0x1F) << 1) + 2;
+ 
+  switch (LPC_SYSCON->MAINCLKSEL & 0x03) {
+    case 0:                             /* Internal RC oscillator             */
+      SystemCoreClock = __IRC_OSC_CLK;
+      break;
+    case 1:                             /* Input Clock to System PLL          */
+      switch (LPC_SYSCON->SYSPLLCLKSEL & 0x03) {
+          case 0:                       /* Internal RC oscillator             */
+            SystemCoreClock = __IRC_OSC_CLK;
+            break;
+          case 1:                       /* System oscillator                  */
+            SystemCoreClock = __SYS_OSC_CLK;
+            break;
+          case 2:                       /* Reserved                           */
+          case 3:                       /* Reserved                           */
+            SystemCoreClock = 0;
+            break;
+      }
+      break;
+    case 2:                             /* WDT Oscillator                     */
+      SystemCoreClock = wdt_osc;
+      break;
+    case 3:                             /* System PLL Clock Out               */
+      switch (LPC_SYSCON->SYSPLLCLKSEL & 0x03) {
+          case 0:                       /* Internal RC oscillator             */
+            if (LPC_SYSCON->SYSPLLCTRL & 0x180) {
+              SystemCoreClock = __IRC_OSC_CLK;
+            } else {
+              SystemCoreClock = __IRC_OSC_CLK * ((LPC_SYSCON->SYSPLLCTRL & 0x01F) + 1);
+            }
+            break;
+          case 1:                       /* System oscillator                  */
+            if (LPC_SYSCON->SYSPLLCTRL & 0x180) {
+              SystemCoreClock = __SYS_OSC_CLK;
+            } else {
+              SystemCoreClock = __SYS_OSC_CLK * ((LPC_SYSCON->SYSPLLCTRL & 0x01F) + 1);
+            }
+            break;
+          case 2:                       /* Reserved                           */
+          case 3:                       /* Reserved                           */
+            SystemCoreClock = 0;
+            break;
+      }
+      break;
+  }
+
+  SystemCoreClock /= LPC_SYSCON->SYSAHBCLKDIV;  
+
+}
+
+// Make sure we are pulling in the retargeting module at link time
+extern int stdio_retargeting_module;
+
+/**
+ * Initialize the system
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Setup the microcontroller system.
+ *         Initialize the System.
+ */
+void SystemInit (void) {
+  volatile uint32_t i;
+
+#if (CLOCK_SETUP)                                 /* Clock Setup              */
+
+#if ((SYSPLLCLKSEL_Val & 0x03) == 1)
+  LPC_SYSCON->PDRUNCFG     &= ~(1 << 5);          /* Power-up System Osc      */
+  LPC_SYSCON->SYSOSCCTRL    = SYSOSCCTRL_Val;
+  for (i = 0; i < 200; i++) __NOP();
+#endif
+
+  LPC_SYSCON->SYSPLLCLKSEL  = SYSPLLCLKSEL_Val;   /* Select PLL Input         */
+  LPC_SYSCON->SYSPLLCLKUEN  = 0x01;               /* Update Clock Source      */
+  LPC_SYSCON->SYSPLLCLKUEN  = 0x00;               /* Toggle Update Register   */
+  LPC_SYSCON->SYSPLLCLKUEN  = 0x01;
+  while (!(LPC_SYSCON->SYSPLLCLKUEN & 0x01));     /* Wait Until Updated       */
+#if ((MAINCLKSEL_Val & 0x03) == 3)                /* Main Clock is PLL Out    */
+  LPC_SYSCON->SYSPLLCTRL    = SYSPLLCTRL_Val;
+  LPC_SYSCON->PDRUNCFG     &= ~(1 << 7);          /* Power-up SYSPLL          */
+  while (!(LPC_SYSCON->SYSPLLSTAT & 0x01));	      /* Wait Until PLL Locked    */
+#endif
+
+#if (((MAINCLKSEL_Val & 0x03) == 2) )
+  LPC_SYSCON->WDTOSCCTRL    = WDTOSCCTRL_Val;
+  LPC_SYSCON->PDRUNCFG     &= ~(1 << 6);          /* Power-up WDT Clock       */
+  for (i = 0; i < 200; i++) __NOP();
+#endif
+
+  LPC_SYSCON->MAINCLKSEL    = MAINCLKSEL_Val;     /* Select PLL Clock Output  */
+  LPC_SYSCON->MAINCLKUEN    = 0x01;               /* Update MCLK Clock Source */
+  LPC_SYSCON->MAINCLKUEN    = 0x00;               /* Toggle Update Register   */
+  LPC_SYSCON->MAINCLKUEN    = 0x01;
+  while (!(LPC_SYSCON->MAINCLKUEN & 0x01));       /* Wait Until Updated       */
+
+  LPC_SYSCON->SYSAHBCLKDIV  = SYSAHBCLKDIV_Val;
+
+#if ((USBCLKDIV_Val & 0x1FF) != 0)                /* USB clock is used        */
+  LPC_SYSCON->PDRUNCFG     &= ~(1 << 10);         /* Power-up USB PHY         */
+
+#if ((USBCLKSEL_Val & 0x003) == 0)                /* USB clock is USB PLL out */
+  LPC_SYSCON->PDRUNCFG     &= ~(1 <<  8);         /* Power-up USB PLL         */
+  LPC_SYSCON->USBPLLCLKSEL  = USBPLLCLKSEL_Val;   /* Select PLL Input         */
+  LPC_SYSCON->USBPLLCLKUEN  = 0x01;               /* Update Clock Source      */
+  LPC_SYSCON->USBPLLCLKUEN  = 0x00;               /* Toggle Update Register   */
+  LPC_SYSCON->USBPLLCLKUEN  = 0x01;
+  while (!(LPC_SYSCON->USBPLLCLKUEN & 0x01));     /* Wait Until Updated       */
+  LPC_SYSCON->USBPLLCTRL    = USBPLLCTRL_Val;
+  while (!(LPC_SYSCON->USBPLLSTAT   & 0x01));     /* Wait Until PLL Locked    */
+  LPC_SYSCON->USBCLKSEL     = 0x00;               /* Select USB PLL           */
+#endif
+
+  LPC_SYSCON->USBCLKSEL     = USBCLKSEL_Val;      /* Select USB Clock         */
+  LPC_SYSCON->USBCLKDIV     = USBCLKDIV_Val;      /* Set USB clock divider    */
+
+#else                                             /* USB clock is not used    */                        
+  LPC_SYSCON->PDRUNCFG     |=  (1 << 10);         /* Power-down USB PHY       */
+  LPC_SYSCON->PDRUNCFG     |=  (1 <<  8);         /* Power-down USB PLL       */
+#endif
+
+#endif
+
+  /* System clock to the IOCON needs to be enabled or
+  most of the I/O related peripherals won't work. */
+  LPC_SYSCON->SYSAHBCLKCTRL |= (1<<16);
+  
+  stdio_retargeting_module = 1;
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/system_LPC11Uxx.h b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/system_LPC11Uxx.h
new file mode 100644
index 0000000000..aaf73f7052
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/system_LPC11Uxx.h
@@ -0,0 +1,64 @@
+/**************************************************************************//**
+ * @file     system_LPC11Uxx.h
+ * @brief    CMSIS Cortex-M0 Device Peripheral Access Layer Header File
+ *           for the NXP LPC11Uxx Device Series
+ * @version  V1.10
+ * @date     24. November 2010
+ *
+ * @note
+ * Copyright (C) 2009-2010 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M 
+ * processor based microcontrollers.  This file can be freely distributed 
+ * within development tools that are supporting such ARM based processors. 
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+
+#ifndef __SYSTEM_LPC11Uxx_H
+#define __SYSTEM_LPC11Uxx_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include 
+
+extern uint32_t SystemCoreClock;     /*!< System Clock Frequency (Core Clock)  */
+
+
+/**
+ * Initialize the system
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Setup the microcontroller system.
+ *         Initialize the System and update the SystemCoreClock variable.
+ */
+extern void SystemInit (void);
+
+/**
+ * Update SystemCoreClock variable
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Updates the SystemCoreClock with current core Clock 
+ *         retrieved from cpu registers.
+ */
+extern void SystemCoreClockUpdate (void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __SYSTEM_LPC11Uxx_H */
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/uARM/LPC11U24.sct b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/uARM/LPC11U24.sct
new file mode 100644
index 0000000000..0a7772d0c3
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/uARM/LPC11U24.sct
@@ -0,0 +1,14 @@
+
+LR_IROM1 0x00000000 0x8000  {    ; load region size_region (32k)
+  ER_IROM1 0x00000000 0x8000  {  ; load address = execution address
+   *.o (RESET, +First)
+   *(InRoot$$Sections)
+   .ANY (+RO)
+  }
+  ; 8_byte_aligned(48 vect * 4 bytes) =  8_byte_aligned(0xC0) = 0xC0
+  ; 8KB - 0xC0 = 0xF40
+  RW_IRAM1 0x100000C0 0xF40  {
+   .ANY (+RW +ZI)
+  }
+}
+
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/uARM/startup_LPC11xx.s b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/uARM/startup_LPC11xx.s
new file mode 100644
index 0000000000..d1e40b6af5
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/uARM/startup_LPC11xx.s
@@ -0,0 +1,325 @@
+;/*****************************************************************************
+; * @file:    startup_LPC11xx.s
+; * @purpose: CMSIS Cortex-M0 Core Device Startup File 
+; *           for the NXP LPC11xx Device Series 
+; * @version: V1.0
+; * @date:    25. Nov. 2008
+; *------- <<< Use Configuration Wizard in Context Menu >>> ------------------
+; *
+; * Copyright (C) 2008 ARM Limited. All rights reserved.
+; * ARM Limited (ARM) is supplying this software for use with Cortex-M0 
+; * processor based microcontrollers.  This file can be freely distributed 
+; * within development tools that are supporting such ARM based processors. 
+; *
+; * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+; * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+; * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+; * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+; * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+; *
+; *****************************************************************************/
+
+Stack_Size      EQU     0x00000400
+
+                AREA    STACK, NOINIT, READWRITE, ALIGN=3
+                EXPORT  __initial_sp
+
+Stack_Mem       SPACE   Stack_Size
+__initial_sp        EQU     0x10001000  ; Top of RAM from LPC11U
+
+
+Heap_Size       EQU     0x00000000
+
+                AREA    HEAP, NOINIT, READWRITE, ALIGN=3
+                EXPORT  __heap_base
+                EXPORT  __heap_limit
+
+__heap_base
+Heap_Mem        SPACE   Heap_Size
+__heap_limit
+
+                PRESERVE8
+                THUMB
+
+; Vector Table Mapped to Address 0 at Reset
+
+                AREA    RESET, DATA, READONLY
+                EXPORT  __Vectors
+
+__Vectors       DCD     __initial_sp              ; Top of Stack
+                DCD     Reset_Handler             ; Reset Handler
+                DCD     NMI_Handler               ; NMI Handler
+                DCD     HardFault_Handler         ; Hard Fault Handler
+                DCD     MemManage_Handler         ; MPU Fault Handler
+                DCD     BusFault_Handler          ; Bus Fault Handler
+                DCD     UsageFault_Handler        ; Usage Fault Handler
+                DCD     0                         ; Reserved
+                DCD     0                         ; Reserved
+                DCD     0                         ; Reserved
+                DCD     0                         ; Reserved
+                DCD     SVC_Handler               ; SVCall Handler
+                DCD     DebugMon_Handler          ; Debug Monitor Handler
+                DCD     0                         ; Reserved
+                DCD     PendSV_Handler            ; PendSV Handler
+                DCD     SysTick_Handler           ; SysTick Handler
+
+                ; External Interrupts
+				; for LPC11Uxx (With USB)
+                DCD     FLEX_INT0_IRQHandler      ; All GPIO pin can be routed to FLEX_INTx
+                DCD     FLEX_INT1_IRQHandler          
+                DCD     FLEX_INT2_IRQHandler                       
+                DCD     FLEX_INT3_IRQHandler                         
+                DCD     FLEX_INT4_IRQHandler                        
+                DCD     FLEX_INT5_IRQHandler
+                DCD     FLEX_INT6_IRQHandler
+                DCD     FLEX_INT7_IRQHandler                       
+                DCD     GINT0_IRQHandler                         
+                DCD     GINT1_IRQHandler          ; PIO0 (0:7)              
+                DCD     Reserved_IRQHandler	      ; Reserved
+                DCD     Reserved_IRQHandler
+                DCD     Reserved_IRQHandler       
+                DCD     Reserved_IRQHandler                       
+                DCD     SSP1_IRQHandler           ; SSP1               
+                DCD     I2C_IRQHandler            ; I2C
+                DCD     TIMER16_0_IRQHandler      ; 16-bit Timer0
+                DCD     TIMER16_1_IRQHandler      ; 16-bit Timer1
+                DCD     TIMER32_0_IRQHandler      ; 32-bit Timer0
+                DCD     TIMER32_1_IRQHandler      ; 32-bit Timer1
+                DCD     SSP0_IRQHandler           ; SSP0
+                DCD     UART_IRQHandler           ; UART
+                DCD     USB_IRQHandler            ; USB IRQ
+                DCD     USB_FIQHandler            ; USB FIQ
+                DCD     ADC_IRQHandler            ; A/D Converter
+                DCD     WDT_IRQHandler            ; Watchdog timer
+                DCD     BOD_IRQHandler            ; Brown Out Detect
+                DCD     FMC_IRQHandler            ; IP2111 Flash Memory Controller
+                DCD     Reserved_IRQHandler	    ; Reserved
+                DCD     Reserved_IRQHandler       ; Reserved
+                DCD     USBWakeup_IRQHandler      ; USB wake up
+                DCD     Reserved_IRQHandler       ; Reserved
+	
+	;; 48 vector entries. We pad to 128 to fill the 0x0 - 0x1FF REMAP address space
+                
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+
+        	DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+
+        	DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+
+        	DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+
+        	DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+
+        	DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+
+        	DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+
+        	DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+                DCD     0xFFFFFFFF                ; Datafill
+	
+                IF      :LNOT::DEF:NO_CRP
+                AREA    |.ARM.__at_0x02FC|, CODE, READONLY
+CRP_Key         DCD     0xFFFFFFFF
+                ENDIF
+
+
+                AREA    |.text|, CODE, READONLY
+
+
+	
+; Reset Handler
+
+Reset_Handler   PROC
+                EXPORT  Reset_Handler             [WEAK]
+                IMPORT  SystemInit
+                IMPORT  __main
+                LDR     R0, =SystemInit
+                BLX     R0
+                LDR     R0, =__main
+                BX      R0
+                ENDP
+
+; Dummy Exception Handlers (infinite loops which can be modified)                
+
+; now, under COMMON NMI.c and NMI.h, a real NMI handler is created if NMI is enabled 
+; for particular peripheral.
+;NMI_Handler     PROC
+;                EXPORT  NMI_Handler               [WEAK]
+;                B       .
+;                ENDP
+HardFault_Handler\
+                PROC
+                EXPORT  HardFault_Handler         [WEAK]
+                B       .
+                ENDP
+MemManage_Handler\
+                PROC
+                EXPORT  MemManage_Handler         [WEAK]
+                B       .
+                ENDP
+BusFault_Handler\
+                PROC
+                EXPORT  BusFault_Handler          [WEAK]
+                B       .
+                ENDP
+UsageFault_Handler\
+                PROC
+                EXPORT  UsageFault_Handler        [WEAK]
+                B       .
+                ENDP
+SVC_Handler     PROC
+                EXPORT  SVC_Handler               [WEAK]
+                B       .
+                ENDP
+DebugMon_Handler\
+                PROC
+                EXPORT  DebugMon_Handler          [WEAK]
+                B       .
+                ENDP
+PendSV_Handler  PROC
+                EXPORT  PendSV_Handler            [WEAK]
+                B       .
+                ENDP
+SysTick_Handler PROC
+                EXPORT  SysTick_Handler           [WEAK]
+                B       .
+                ENDP
+Reserved_IRQHandler PROC
+                EXPORT  Reserved_IRQHandler       [WEAK]
+                B       .
+                ENDP
+
+Default_Handler PROC
+; for LPC11Uxx (With USB)
+                EXPORT  NMI_Handler               [WEAK]
+                EXPORT  FLEX_INT0_IRQHandler      [WEAK]
+                EXPORT  FLEX_INT1_IRQHandler      [WEAK]
+                EXPORT  FLEX_INT2_IRQHandler      [WEAK]
+                EXPORT  FLEX_INT3_IRQHandler      [WEAK]
+                EXPORT  FLEX_INT4_IRQHandler      [WEAK]
+                EXPORT  FLEX_INT5_IRQHandler      [WEAK]
+                EXPORT  FLEX_INT6_IRQHandler      [WEAK]
+                EXPORT  FLEX_INT7_IRQHandler      [WEAK]
+                EXPORT  GINT0_IRQHandler          [WEAK]
+                EXPORT  GINT1_IRQHandler          [WEAK]
+                EXPORT  SSP1_IRQHandler           [WEAK]
+                EXPORT  I2C_IRQHandler            [WEAK]
+                EXPORT  TIMER16_0_IRQHandler      [WEAK]
+                EXPORT  TIMER16_1_IRQHandler      [WEAK]
+                EXPORT  TIMER32_0_IRQHandler      [WEAK]
+                EXPORT  TIMER32_1_IRQHandler      [WEAK]
+                EXPORT  SSP0_IRQHandler           [WEAK]
+                EXPORT  UART_IRQHandler           [WEAK]
+
+                EXPORT  USB_IRQHandler            [WEAK]
+                EXPORT  USB_FIQHandler            [WEAK]
+                EXPORT  ADC_IRQHandler            [WEAK]
+                EXPORT  WDT_IRQHandler            [WEAK]
+                EXPORT  BOD_IRQHandler            [WEAK]
+                EXPORT  FMC_IRQHandler            [WEAK]
+                EXPORT	USBWakeup_IRQHandler      [WEAK]
+
+NMI_Handler
+FLEX_INT0_IRQHandler
+FLEX_INT1_IRQHandler
+FLEX_INT2_IRQHandler
+FLEX_INT3_IRQHandler
+FLEX_INT4_IRQHandler
+FLEX_INT5_IRQHandler
+FLEX_INT6_IRQHandler
+FLEX_INT7_IRQHandler
+GINT0_IRQHandler
+GINT1_IRQHandler
+SSP1_IRQHandler
+I2C_IRQHandler
+TIMER16_0_IRQHandler
+TIMER16_1_IRQHandler
+TIMER32_0_IRQHandler
+TIMER32_1_IRQHandler
+SSP0_IRQHandler
+UART_IRQHandler
+USB_IRQHandler
+USB_FIQHandler
+ADC_IRQHandler
+WDT_IRQHandler
+BOD_IRQHandler
+FMC_IRQHandler
+USBWakeup_IRQHandler
+
+                B       .
+
+                ENDP
+
+                ALIGN
+                END
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC11U24/uARM/sys.cpp b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/uARM/sys.cpp
new file mode 100644
index 0000000000..2f1024ace8
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC11U24/uARM/sys.cpp
@@ -0,0 +1,31 @@
+/* mbed Microcontroller Library - stackheap
+ * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
+ * 
+ * Setup a fixed single stack/heap memory model, 
+ *  between the top of the RW/ZI region and the stackpointer
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+#include 
+#include 
+
+extern char Image$$RW_IRAM1$$ZI$$Limit[];
+
+extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
+    uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
+    uint32_t sp_limit = __current_sp();
+
+    zi_limit = (zi_limit + 7) & ~0x7;    // ensure zi_limit is 8-byte aligned
+
+    struct __initial_stackheap r;
+    r.heap_base = zi_limit;
+    r.heap_limit = sp_limit;
+    return r;
+}
+
+#ifdef __cplusplus
+}
+#endif 
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/ARM/LPC1768.sct b/libraries/mbed/vendor/NXP/cmsis/LPC1768/ARM/LPC1768.sct
new file mode 100644
index 0000000000..6fb28c5d30
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/ARM/LPC1768.sct
@@ -0,0 +1,22 @@
+
+LR_IROM1 0x00000000 0x80000  {    ; load region size_region
+  ER_IROM1 0x00000000 0x80000  {  ; load address = execution address
+   *.o (RESET, +First)
+   *(InRoot$$Sections)
+   .ANY (+RO)
+  }
+  ; 8_byte_aligned(49 vect * 4 bytes) =  8_byte_aligned(0xC4) = 0xC8
+  ; 32KB - 0xC8 = 0x7F38
+  RW_IRAM1 0x100000C8 0x7F38  {
+   .ANY (+RW +ZI)
+  }
+  RW_IRAM2 0x2007C000 0x4000  {  ; RW data, ETH RAM
+   .ANY (AHBSRAM0)
+  }
+  RW_IRAM3 0x20080000 0x4000  {  ; RW data, ETH RAM
+   .ANY (AHBSRAM1)
+  }
+  RW_IRAM4 0x40038000 0x0800  {  ; RW data, CAN RAM
+   .ANY (CANRAM)
+  }
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/ARM/startup_LPC17xx.s b/libraries/mbed/vendor/NXP/cmsis/LPC1768/ARM/startup_LPC17xx.s
new file mode 100644
index 0000000000..32e2abf7fb
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/ARM/startup_LPC17xx.s
@@ -0,0 +1,226 @@
+;/*****************************************************************************
+; * @file:    startup_LPC17xx.s
+; * @purpose: CMSIS Cortex-M3 Core Device Startup File 
+; *           for the NXP LPC17xx Device Series 
+; * @version: V1.02, modified for mbed
+; * @date:    27. July 2009, modified 3rd Aug 2009
+; *------- <<< Use Configuration Wizard in Context Menu >>> ------------------
+; *
+; * Copyright (C) 2009 ARM Limited. All rights reserved.
+; * ARM Limited (ARM) is supplying this software for use with Cortex-M3 
+; * processor based microcontrollers.  This file can be freely distributed 
+; * within development tools that are supporting such ARM based processors. 
+; *
+; * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+; * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+; * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+; * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+; * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+; *
+; *****************************************************************************/
+
+__initial_sp        EQU     0x10008000  ; Top of RAM from LPC1768
+
+                PRESERVE8
+                THUMB
+
+; Vector Table Mapped to Address 0 at Reset
+
+                AREA    RESET, DATA, READONLY
+                EXPORT  __Vectors
+
+__Vectors       DCD     __initial_sp              ; Top of Stack
+                DCD     Reset_Handler             ; Reset Handler
+                DCD     NMI_Handler               ; NMI Handler
+                DCD     HardFault_Handler         ; Hard Fault Handler
+                DCD     MemManage_Handler         ; MPU Fault Handler
+                DCD     BusFault_Handler          ; Bus Fault Handler
+                DCD     UsageFault_Handler        ; Usage Fault Handler
+                DCD     0                         ; Reserved
+                DCD     0                         ; Reserved
+                DCD     0                         ; Reserved
+                DCD     0                         ; Reserved
+                DCD     SVC_Handler               ; SVCall Handler
+                DCD     DebugMon_Handler          ; Debug Monitor Handler
+                DCD     0                         ; Reserved
+                DCD     PendSV_Handler            ; PendSV Handler
+                DCD     SysTick_Handler           ; SysTick Handler
+
+                ; External Interrupts
+                DCD     WDT_IRQHandler            ; 16: Watchdog Timer
+                DCD     TIMER0_IRQHandler         ; 17: Timer0
+                DCD     TIMER1_IRQHandler         ; 18: Timer1
+                DCD     TIMER2_IRQHandler         ; 19: Timer2
+                DCD     TIMER3_IRQHandler         ; 20: Timer3
+                DCD     UART0_IRQHandler          ; 21: UART0
+                DCD     UART1_IRQHandler          ; 22: UART1
+                DCD     UART2_IRQHandler          ; 23: UART2
+                DCD     UART3_IRQHandler          ; 24: UART3
+                DCD     PWM1_IRQHandler           ; 25: PWM1
+                DCD     I2C0_IRQHandler           ; 26: I2C0
+                DCD     I2C1_IRQHandler           ; 27: I2C1
+                DCD     I2C2_IRQHandler           ; 28: I2C2
+                DCD     SPI_IRQHandler            ; 29: SPI
+                DCD     SSP0_IRQHandler           ; 30: SSP0
+                DCD     SSP1_IRQHandler           ; 31: SSP1
+                DCD     PLL0_IRQHandler           ; 32: PLL0 Lock (Main PLL)
+                DCD     RTC_IRQHandler            ; 33: Real Time Clock
+                DCD     EINT0_IRQHandler          ; 34: External Interrupt 0
+                DCD     EINT1_IRQHandler          ; 35: External Interrupt 1
+                DCD     EINT2_IRQHandler          ; 36: External Interrupt 2
+                DCD     EINT3_IRQHandler          ; 37: External Interrupt 3
+                DCD     ADC_IRQHandler            ; 38: A/D Converter
+                DCD     BOD_IRQHandler            ; 39: Brown-Out Detect
+                DCD     USB_IRQHandler            ; 40: USB
+                DCD     CAN_IRQHandler            ; 41: CAN
+                DCD     DMA_IRQHandler            ; 42: General Purpose DMA
+                DCD     I2S_IRQHandler            ; 43: I2S
+                DCD     ENET_IRQHandler           ; 44: Ethernet
+                DCD     RIT_IRQHandler            ; 45: Repetitive Interrupt Timer
+                DCD     MCPWM_IRQHandler          ; 46: Motor Control PWM
+                DCD     QEI_IRQHandler            ; 47: Quadrature Encoder Interface
+                DCD     PLL1_IRQHandler           ; 48: PLL1 Lock (USB PLL)
+
+
+                IF      :LNOT::DEF:NO_CRP
+                AREA    |.ARM.__at_0x02FC|, CODE, READONLY
+CRP_Key         DCD     0xFFFFFFFF
+                ENDIF
+
+
+                AREA    |.text|, CODE, READONLY
+
+
+; Reset Handler
+
+Reset_Handler   PROC
+                EXPORT  Reset_Handler             [WEAK]
+                IMPORT  SystemInit
+                IMPORT  __main
+                LDR     R0, =SystemInit
+                BLX     R0
+                LDR     R0, =__main
+                BX      R0
+                ENDP
+
+
+; Dummy Exception Handlers (infinite loops which can be modified)                
+
+NMI_Handler     PROC
+                EXPORT  NMI_Handler               [WEAK]
+                B       .
+                ENDP
+HardFault_Handler\
+                PROC
+                EXPORT  HardFault_Handler         [WEAK]
+                B       .
+                ENDP
+MemManage_Handler\
+                PROC
+                EXPORT  MemManage_Handler         [WEAK]
+                B       .
+                ENDP
+BusFault_Handler\
+                PROC
+                EXPORT  BusFault_Handler          [WEAK]
+                B       .
+                ENDP
+UsageFault_Handler\
+                PROC
+                EXPORT  UsageFault_Handler        [WEAK]
+                B       .
+                ENDP
+SVC_Handler     PROC
+                EXPORT  SVC_Handler               [WEAK]
+                B       .
+                ENDP
+DebugMon_Handler\
+                PROC
+                EXPORT  DebugMon_Handler          [WEAK]
+                B       .
+                ENDP
+PendSV_Handler  PROC
+                EXPORT  PendSV_Handler            [WEAK]
+                B       .
+                ENDP
+SysTick_Handler PROC
+                EXPORT  SysTick_Handler           [WEAK]
+                B       .
+                ENDP
+
+Default_Handler PROC
+
+                EXPORT  WDT_IRQHandler            [WEAK]
+                EXPORT  TIMER0_IRQHandler         [WEAK]
+                EXPORT  TIMER1_IRQHandler         [WEAK]
+                EXPORT  TIMER2_IRQHandler         [WEAK]
+                EXPORT  TIMER3_IRQHandler         [WEAK]
+                EXPORT  UART0_IRQHandler          [WEAK]
+                EXPORT  UART1_IRQHandler          [WEAK]
+                EXPORT  UART2_IRQHandler          [WEAK]
+                EXPORT  UART3_IRQHandler          [WEAK]
+                EXPORT  PWM1_IRQHandler           [WEAK]
+                EXPORT  I2C0_IRQHandler           [WEAK]
+                EXPORT  I2C1_IRQHandler           [WEAK]
+                EXPORT  I2C2_IRQHandler           [WEAK]
+                EXPORT  SPI_IRQHandler            [WEAK]
+                EXPORT  SSP0_IRQHandler           [WEAK]
+                EXPORT  SSP1_IRQHandler           [WEAK]
+                EXPORT  PLL0_IRQHandler           [WEAK]
+                EXPORT  RTC_IRQHandler            [WEAK]
+                EXPORT  EINT0_IRQHandler          [WEAK]
+                EXPORT  EINT1_IRQHandler          [WEAK]
+                EXPORT  EINT2_IRQHandler          [WEAK]
+                EXPORT  EINT3_IRQHandler          [WEAK]
+                EXPORT  ADC_IRQHandler            [WEAK]
+                EXPORT  BOD_IRQHandler            [WEAK]
+                EXPORT  USB_IRQHandler            [WEAK]
+                EXPORT  CAN_IRQHandler            [WEAK]
+                EXPORT  DMA_IRQHandler            [WEAK]
+                EXPORT  I2S_IRQHandler            [WEAK]
+                EXPORT  ENET_IRQHandler           [WEAK]
+                EXPORT  RIT_IRQHandler            [WEAK]
+                EXPORT  MCPWM_IRQHandler          [WEAK]
+                EXPORT  QEI_IRQHandler            [WEAK]
+                EXPORT  PLL1_IRQHandler           [WEAK]
+
+WDT_IRQHandler           
+TIMER0_IRQHandler         
+TIMER1_IRQHandler         
+TIMER2_IRQHandler         
+TIMER3_IRQHandler         
+UART0_IRQHandler          
+UART1_IRQHandler          
+UART2_IRQHandler          
+UART3_IRQHandler          
+PWM1_IRQHandler           
+I2C0_IRQHandler           
+I2C1_IRQHandler           
+I2C2_IRQHandler           
+SPI_IRQHandler            
+SSP0_IRQHandler           
+SSP1_IRQHandler           
+PLL0_IRQHandler           
+RTC_IRQHandler            
+EINT0_IRQHandler          
+EINT1_IRQHandler          
+EINT2_IRQHandler          
+EINT3_IRQHandler          
+ADC_IRQHandler            
+BOD_IRQHandler            
+USB_IRQHandler            
+CAN_IRQHandler            
+DMA_IRQHandler          
+I2S_IRQHandler            
+ENET_IRQHandler       
+RIT_IRQHandler          
+MCPWM_IRQHandler             
+QEI_IRQHandler            
+PLL1_IRQHandler           
+
+                B       .
+
+                ENDP
+                
+                ALIGN
+                END
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/ARM/sys.cpp b/libraries/mbed/vendor/NXP/cmsis/LPC1768/ARM/sys.cpp
new file mode 100644
index 0000000000..2f1024ace8
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/ARM/sys.cpp
@@ -0,0 +1,31 @@
+/* mbed Microcontroller Library - stackheap
+ * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
+ * 
+ * Setup a fixed single stack/heap memory model, 
+ *  between the top of the RW/ZI region and the stackpointer
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+#include 
+#include 
+
+extern char Image$$RW_IRAM1$$ZI$$Limit[];
+
+extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
+    uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
+    uint32_t sp_limit = __current_sp();
+
+    zi_limit = (zi_limit + 7) & ~0x7;    // ensure zi_limit is 8-byte aligned
+
+    struct __initial_stackheap r;
+    r.heap_base = zi_limit;
+    r.heap_limit = sp_limit;
+    return r;
+}
+
+#ifdef __cplusplus
+}
+#endif 
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_ARM/LPC1768.ld b/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_ARM/LPC1768.ld
new file mode 100644
index 0000000000..9ad0af0be0
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_ARM/LPC1768.ld
@@ -0,0 +1,149 @@
+/* Linker script for mbed LPC1768 */
+
+/* Linker script to configure memory regions. */
+MEMORY
+{
+  FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 512K
+  RAM (rwx) : ORIGIN = 0x100000C8, LENGTH = 0x7F38
+
+  USB_RAM(rwx) : ORIGIN = 0x2007C000, LENGTH = 16K
+  ETH_RAM(rwx) : ORIGIN = 0x20080000, LENGTH = 16K
+}
+
+/* Linker script to place sections and symbol values. Should be used together
+ * with other linker script that defines memory regions FLASH and RAM.
+ * It references following symbols, which must be defined in code:
+ *   Reset_Handler : Entry of reset handler
+ * 
+ * It defines following symbols, which code can use without definition:
+ *   __exidx_start
+ *   __exidx_end
+ *   __etext
+ *   __data_start__
+ *   __preinit_array_start
+ *   __preinit_array_end
+ *   __init_array_start
+ *   __init_array_end
+ *   __fini_array_start
+ *   __fini_array_end
+ *   __data_end__
+ *   __bss_start__
+ *   __bss_end__
+ *   __end__
+ *   end
+ *   __HeapLimit
+ *   __StackLimit
+ *   __StackTop
+ *   __stack
+ */
+ENTRY(Reset_Handler)
+
+SECTIONS
+{
+    .text :
+    {
+        KEEP(*(.isr_vector))
+        *(.text*)
+
+        KEEP(*(.init))
+        KEEP(*(.fini))
+
+        /* .ctors */
+        *crtbegin.o(.ctors)
+        *crtbegin?.o(.ctors)
+        *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
+        *(SORT(.ctors.*))
+        *(.ctors)
+
+        /* .dtors */
+        *crtbegin.o(.dtors)
+        *crtbegin?.o(.dtors)
+        *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
+        *(SORT(.dtors.*))
+        *(.dtors)
+
+        *(.rodata*)
+
+        KEEP(*(.eh_frame*))
+    } > FLASH
+
+    .ARM.extab : 
+    {
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+    } > FLASH
+
+    __exidx_start = .;
+    .ARM.exidx :
+    {
+        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+    } > FLASH
+    __exidx_end = .;
+
+    __etext = .;
+        
+    .data : AT (__etext)
+    {
+        __data_start__ = .;
+        *(vtable)
+        *(.data*)
+
+        . = ALIGN(4);
+        /* preinit data */
+        PROVIDE (__preinit_array_start = .);
+        KEEP(*(.preinit_array))
+        PROVIDE (__preinit_array_end = .);
+
+        . = ALIGN(4);
+        /* init data */
+        PROVIDE (__init_array_start = .);
+        KEEP(*(SORT(.init_array.*)))
+        KEEP(*(.init_array))
+        PROVIDE (__init_array_end = .);
+
+
+        . = ALIGN(4);
+        /* finit data */
+        PROVIDE (__fini_array_start = .);
+        KEEP(*(SORT(.fini_array.*)))
+        KEEP(*(.fini_array))
+        PROVIDE (__fini_array_end = .);
+
+        . = ALIGN(4);
+        /* All data end */
+        __data_end__ = .;
+
+    } > RAM
+
+    .bss :
+    {
+        __bss_start__ = .;
+        *(.bss*)
+        *(COMMON)
+        __bss_end__ = .;
+    } > RAM
+    
+    .heap :
+    {
+        __end__ = .;
+        end = __end__;
+        *(.heap*)
+        __HeapLimit = .;
+    } > RAM
+
+    /* .stack_dummy section doesn't contains any symbols. It is only
+     * used for linker to calculate size of stack sections, and assign
+     * values to stack symbols later */
+    .stack_dummy :
+    {
+        *(.stack)
+    } > RAM
+
+    /* Set stack top to end of RAM, and stack limit move down by
+     * size of stack_dummy section */
+    __StackTop = ORIGIN(RAM) + LENGTH(RAM);
+    __StackLimit = __StackTop - SIZEOF(.stack_dummy);
+    PROVIDE(__stack = __StackTop);
+    
+    /* Check if data + heap + stack exceeds RAM limit */
+    ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_ARM/startup_LPC17xx.s b/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_ARM/startup_LPC17xx.s
new file mode 100644
index 0000000000..b4b3dee4ee
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_ARM/startup_LPC17xx.s
@@ -0,0 +1,219 @@
+/* File: startup_ARMCM3.s
+ * Purpose: startup file for Cortex-M3/M4 devices. Should use with 
+ *   GNU Tools for ARM Embedded Processors
+ * Version: V1.1
+ * Date: 17 June 2011
+ * 
+ * Copyright (C) 2011 ARM Limited. All rights reserved.
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M3/M4 
+ * processor based microcontrollers.  This file can be freely distributed 
+ * within development tools that are supporting such ARM based processors. 
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ */
+    .syntax unified
+    .arch armv7-m
+
+/* Memory Model
+   The HEAP starts at the end of the DATA section and grows upward.
+   
+   The STACK starts at the end of the RAM and grows downward.
+   
+   The HEAP and stack STACK are only checked at compile time:
+   (DATA_SIZE + HEAP_SIZE + STACK_SIZE) < RAM_SIZE
+   
+   This is just a check for the bare minimum for the Heap+Stack area before
+   aborting compilation, it is not the run time limit:
+   Heap_Size + Stack_Size = 0x80 + 0x80 = 0x100
+ */
+    .section .stack
+    .align 3
+#ifdef __STACK_SIZE
+    .equ    Stack_Size, __STACK_SIZE
+#else
+    .equ    Stack_Size, 0xc00
+#endif
+    .globl    __StackTop
+    .globl    __StackLimit
+__StackLimit:
+    .space    Stack_Size
+    .size __StackLimit, . - __StackLimit
+__StackTop:
+    .size __StackTop, . - __StackTop
+
+    .section .heap
+    .align 3
+#ifdef __HEAP_SIZE
+    .equ    Heap_Size, __HEAP_SIZE
+#else
+    .equ    Heap_Size, 0x800
+#endif
+    .globl    __HeapBase
+    .globl    __HeapLimit
+__HeapBase:
+    .space    Heap_Size
+    .size __HeapBase, . - __HeapBase
+__HeapLimit:
+    .size __HeapLimit, . - __HeapLimit
+    
+    .section .isr_vector
+    .align 2
+    .globl __isr_vector
+__isr_vector:
+    .long    __StackTop            /* Top of Stack */
+    .long    Reset_Handler         /* Reset Handler */
+    .long    NMI_Handler           /* NMI Handler */
+    .long    HardFault_Handler     /* Hard Fault Handler */
+    .long    MemManage_Handler     /* MPU Fault Handler */
+    .long    BusFault_Handler      /* Bus Fault Handler */
+    .long    UsageFault_Handler    /* Usage Fault Handler */
+    .long    0                     /* Reserved */
+    .long    0                     /* Reserved */
+    .long    0                     /* Reserved */
+    .long    0                     /* Reserved */
+    .long    SVC_Handler           /* SVCall Handler */
+    .long    DebugMon_Handler      /* Debug Monitor Handler */
+    .long    0                     /* Reserved */
+    .long    PendSV_Handler        /* PendSV Handler */
+    .long    SysTick_Handler       /* SysTick Handler */
+
+    /* External interrupts */
+    .long   WDT_IRQHandler              /* 16: Watchdog Timer               */
+    .long   TIMER0_IRQHandler           /* 17: Timer0                       */
+    .long   TIMER1_IRQHandler           /* 18: Timer1                       */
+    .long   TIMER2_IRQHandler           /* 19: Timer2                       */
+    .long   TIMER3_IRQHandler           /* 20: Timer3                       */
+    .long   UART0_IRQHandler            /* 21: UART0                        */
+    .long   UART1_IRQHandler            /* 22: UART1                        */
+    .long   UART2_IRQHandler            /* 23: UART2                        */
+    .long   UART3_IRQHandler            /* 24: UART3                        */
+    .long   PWM1_IRQHandler             /* 25: PWM1                         */
+    .long   I2C0_IRQHandler             /* 26: I2C0                         */
+    .long   I2C1_IRQHandler             /* 27: I2C1                         */
+    .long   I2C2_IRQHandler             /* 28: I2C2                         */
+    .long   SPI_IRQHandler              /* 29: SPI                          */
+    .long   SSP0_IRQHandler             /* 30: SSP0                         */
+    .long   SSP1_IRQHandler             /* 31: SSP1                         */
+    .long   PLL0_IRQHandler             /* 32: PLL0 Lock (Main PLL)         */
+    .long   RTC_IRQHandler              /* 33: Real Time Clock              */
+    .long   EINT0_IRQHandler            /* 34: External Interrupt 0         */
+    .long   EINT1_IRQHandler            /* 35: External Interrupt 1         */
+    .long   EINT2_IRQHandler            /* 36: External Interrupt 2         */
+    .long   EINT3_IRQHandler            /* 37: External Interrupt 3         */
+    .long   ADC_IRQHandler              /* 38: A/D Converter                */
+    .long   BOD_IRQHandler              /* 39: Brown-Out Detect             */
+    .long   USB_IRQHandler              /* 40: USB                          */
+    .long   CAN_IRQHandler              /* 41: CAN                          */
+    .long   DMA_IRQHandler              /* 42: General Purpose DMA          */
+    .long   I2S_IRQHandler              /* 43: I2S                          */
+    .long   ENET_IRQHandler             /* 44: Ethernet                     */
+    .long   RIT_IRQHandler              /* 45: Repetitive Interrupt Timer   */
+    .long   MCPWM_IRQHandler            /* 46: Motor Control PWM            */
+    .long   QEI_IRQHandler              /* 47: Quadrature Encoder Interface */
+    .long   PLL1_IRQHandler             /* 48: PLL1 Lock (USB PLL)          */
+    .long   USBActivity_IRQHandler      /* 49: USB Activity                 */
+    .long   CANActivity_IRQHandler      /* 50: CAN Activity                 */
+
+    .size    __isr_vector, . - __isr_vector
+
+    .text
+    .thumb
+    .thumb_func
+    .align 2
+    .globl    Reset_Handler
+    .type    Reset_Handler, %function
+Reset_Handler:
+/*     Loop to copy data from read only memory to RAM. The ranges
+ *      of copy from/to are specified by following symbols evaluated in 
+ *      linker script.
+ *      _etext: End of code section, i.e., begin of data sections to copy from.
+ *      __data_start__/__data_end__: RAM address range that data should be
+ *      copied to. Both must be aligned to 4 bytes boundary.  */
+
+    ldr    r1, =__etext
+    ldr    r2, =__data_start__
+    ldr    r3, =__data_end__
+
+.flash_to_ram_loop:
+    cmp     r2, r3
+    ittt    lt
+    ldrlt   r0, [r1], #4
+    strlt   r0, [r2], #4
+    blt    .flash_to_ram_loop
+
+    ldr    r0, =SystemInit
+    blx    r0
+    ldr    r0, =_start
+    bx    r0
+    .pool
+    .size Reset_Handler, . - Reset_Handler
+    
+/*    Macro to define default handlers. Default handler
+ *    will be weak symbol and just dead loops. They can be
+ *    overwritten by other handlers */
+    .macro    def_default_handler    handler_name
+    .align 1
+    .thumb_func
+    .weak    \handler_name
+    .type    \handler_name, %function
+\handler_name :
+    b    .
+    .size    \handler_name, . - \handler_name
+    .endm
+    
+    def_default_handler    NMI_Handler
+    def_default_handler    HardFault_Handler
+    def_default_handler    MemManage_Handler
+    def_default_handler    BusFault_Handler
+    def_default_handler    UsageFault_Handler
+    def_default_handler    SVC_Handler
+    def_default_handler    DebugMon_Handler
+    def_default_handler    PendSV_Handler
+    def_default_handler    SysTick_Handler
+    def_default_handler    Default_Handler
+    
+    def_default_handler     WDT_IRQHandler
+    def_default_handler     TIMER0_IRQHandler
+    def_default_handler     TIMER1_IRQHandler
+    def_default_handler     TIMER2_IRQHandler
+    def_default_handler     TIMER3_IRQHandler
+    def_default_handler     UART0_IRQHandler
+    def_default_handler     UART1_IRQHandler
+    def_default_handler     UART2_IRQHandler
+    def_default_handler     UART3_IRQHandler
+    def_default_handler     PWM1_IRQHandler
+    def_default_handler     I2C0_IRQHandler
+    def_default_handler     I2C1_IRQHandler
+    def_default_handler     I2C2_IRQHandler
+    def_default_handler     SPI_IRQHandler
+    def_default_handler     SSP0_IRQHandler
+    def_default_handler     SSP1_IRQHandler
+    def_default_handler     PLL0_IRQHandler
+    def_default_handler     RTC_IRQHandler
+    def_default_handler     EINT0_IRQHandler
+    def_default_handler     EINT1_IRQHandler
+    def_default_handler     EINT2_IRQHandler
+    def_default_handler     EINT3_IRQHandler
+    def_default_handler     ADC_IRQHandler
+    def_default_handler     BOD_IRQHandler
+    def_default_handler     USB_IRQHandler
+    def_default_handler     CAN_IRQHandler
+    def_default_handler     DMA_IRQHandler
+    def_default_handler     I2S_IRQHandler
+    def_default_handler     ENET_IRQHandler
+    def_default_handler     RIT_IRQHandler
+    def_default_handler     MCPWM_IRQHandler
+    def_default_handler     QEI_IRQHandler
+    def_default_handler     PLL1_IRQHandler
+    def_default_handler     USBActivity_IRQHandler
+    def_default_handler     CANActivity_IRQHandler
+
+    .weak    DEF_IRQHandler
+    .set    DEF_IRQHandler, Default_Handler
+
+    .end
+
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CR/LPC1768.ld b/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CR/LPC1768.ld
new file mode 100644
index 0000000000..3ac1c780f3
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CR/LPC1768.ld
@@ -0,0 +1,153 @@
+/* mbed - LPC1768 linker script
+ * Based linker script generated by Code Red Technologies Red Suite 4.1
+ */
+GROUP(libgcc.a libc.a libstdc++.a libm.a libcr_newlib_nohost.a crti.o crtn.o crtbegin.o crtend.o)
+
+MEMORY
+{
+  /* Define each memory region */
+  MFlash512 (rx) : ORIGIN = 0x0, LENGTH = 0x80000 /* 512k */
+  RamLoc32 (rwx) : ORIGIN = 0x100000C8, LENGTH = 0x7F38 /* 32k */
+  RamAHB32 (rwx) : ORIGIN = 0x2007c000, LENGTH = 0x8000 /* 32k */
+
+}
+  /* Define a symbol for the top of each memory region */
+  __top_MFlash512 = 0x0 + 0x80000;
+  __top_RamLoc32 = 0x10000000 + 0x8000;
+  __top_RamAHB32 = 0x2007c000 + 0x8000;
+
+ENTRY(ResetISR)
+
+SECTIONS
+{
+
+    /* MAIN TEXT SECTION */ 
+    .text : ALIGN(4)
+    {
+        FILL(0xff)
+        KEEP(*(.isr_vector))
+        
+        /* Global Section Table */
+        . = ALIGN(4) ;
+        __section_table_start = .;
+        __data_section_table = .;
+        LONG(LOADADDR(.data));
+        LONG(    ADDR(.data)) ;
+        LONG(  SIZEOF(.data));
+        LONG(LOADADDR(.data_RAM2));
+        LONG(    ADDR(.data_RAM2)) ;
+        LONG(  SIZEOF(.data_RAM2));
+        __data_section_table_end = .;
+        __bss_section_table = .;
+        LONG(    ADDR(.bss));
+        LONG(  SIZEOF(.bss));
+        LONG(    ADDR(.bss_RAM2));
+        LONG(  SIZEOF(.bss_RAM2));
+        __bss_section_table_end = .;
+        __section_table_end = . ;
+        /* End of Global Section Table */
+        
+
+        *(.after_vectors*)
+        
+        *(.text*)
+        *(.rodata .rodata.*)
+        . = ALIGN(4);
+        
+        /* C++ constructors etc */
+        . = ALIGN(4);
+        KEEP(*(.init))
+        
+        . = ALIGN(4);
+        __preinit_array_start = .;
+        KEEP (*(.preinit_array))
+        __preinit_array_end = .;
+        
+        . = ALIGN(4);
+        __init_array_start = .;
+        KEEP (*(SORT(.init_array.*)))
+        KEEP (*(.init_array))
+        __init_array_end = .;
+        
+        KEEP(*(.fini));
+        
+        . = ALIGN(0x4);
+        KEEP (*crtbegin.o(.ctors))
+        KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
+        KEEP (*(SORT(.ctors.*)))
+        KEEP (*crtend.o(.ctors))
+        
+        . = ALIGN(0x4);
+        KEEP (*crtbegin.o(.dtors))
+        KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+        KEEP (*(SORT(.dtors.*)))
+        KEEP (*crtend.o(.dtors))
+        /* End C++ */
+    } > MFlash512
+
+    /*
+     * for exception handling/unwind - some Newlib functions (in common
+     * with C++ and STDC++) use this.
+     */
+    .ARM.extab : ALIGN(4)
+    {
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+    } > MFlash512
+    __exidx_start = .;
+    
+    .ARM.exidx : ALIGN(4)
+    {
+        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+    } > MFlash512
+    __exidx_end = .;
+    
+    _etext = .;
+        
+    
+    .data_RAM2 : ALIGN(4)
+    {
+       FILL(0xff)
+        *(.data.$RAM2*)
+        *(.data.$RamAHB32*)
+       . = ALIGN(4) ;
+    } > RamAHB32 AT>MFlash512
+    
+    /* MAIN DATA SECTION */
+
+    .uninit_RESERVED : ALIGN(4)
+    {
+        KEEP(*(.bss.$RESERVED*))
+    } > RamLoc32
+
+    .data : ALIGN(4)
+    {
+        FILL(0xff)
+        _data = .;
+        *(vtable)
+        *(.data*)
+        . = ALIGN(4) ;
+        _edata = .;
+    } > RamLoc32 AT>MFlash512
+
+    
+    .bss_RAM2 : ALIGN(4)
+    {
+        *(.bss.$RAM2*)
+        *(.bss.$RamAHB32*)
+       . = ALIGN(4) ;
+    } > RamAHB32
+
+    /* MAIN BSS SECTION */
+    .bss : ALIGN(4)
+    {
+        _bss = .;
+        *(.bss*)
+        *(COMMON)
+        . = ALIGN(4) ;
+        _ebss = .;
+        PROVIDE(end = .);
+    } > RamLoc32
+    
+    PROVIDE(_pvHeapStart = .);
+    PROVIDE(_vStackTop = __top_RamLoc32 - 0);
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CR/startup_LPC17xx.cpp b/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CR/startup_LPC17xx.cpp
new file mode 100644
index 0000000000..5390dec3a7
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CR/startup_LPC17xx.cpp
@@ -0,0 +1,177 @@
+extern "C" {
+
+#include "LPC17xx.h"
+
+#define WEAK          __attribute__ ((weak))
+#define ALIAS(f)      __attribute__ ((weak, alias (#f)))
+#define AFTER_VECTORS __attribute__ ((section(".after_vectors")))
+
+extern unsigned int __data_section_table;
+extern unsigned int __data_section_table_end;
+extern unsigned int __bss_section_table;
+extern unsigned int __bss_section_table_end;
+
+extern void __libc_init_array(void);
+extern int main(void);
+extern void _vStackTop(void);
+extern void (* const g_pfnVectors[])(void);
+
+     void ResetISR          (void);
+WEAK void NMI_Handler       (void);
+WEAK void HardFault_Handler (void);
+WEAK void MemManage_Handler (void);
+WEAK void BusFault_Handler  (void);
+WEAK void UsageFault_Handler(void);
+WEAK void SVCall_Handler    (void);
+WEAK void DebugMon_Handler  (void);
+WEAK void PendSV_Handler    (void);
+WEAK void SysTick_Handler   (void);
+WEAK void IntDefaultHandler (void);
+
+void WDT_IRQHandler        (void) ALIAS(IntDefaultHandler);
+void TIMER0_IRQHandler     (void) ALIAS(IntDefaultHandler);
+void TIMER1_IRQHandler     (void) ALIAS(IntDefaultHandler);
+void TIMER2_IRQHandler     (void) ALIAS(IntDefaultHandler);
+void TIMER3_IRQHandler     (void) ALIAS(IntDefaultHandler);
+void UART0_IRQHandler      (void) ALIAS(IntDefaultHandler);
+void UART1_IRQHandler      (void) ALIAS(IntDefaultHandler);
+void UART2_IRQHandler      (void) ALIAS(IntDefaultHandler);
+void UART3_IRQHandler      (void) ALIAS(IntDefaultHandler);
+void PWM1_IRQHandler       (void) ALIAS(IntDefaultHandler);
+void I2C0_IRQHandler       (void) ALIAS(IntDefaultHandler);
+void I2C1_IRQHandler       (void) ALIAS(IntDefaultHandler);
+void I2C2_IRQHandler       (void) ALIAS(IntDefaultHandler);
+void SPI_IRQHandler        (void) ALIAS(IntDefaultHandler);
+void SSP0_IRQHandler       (void) ALIAS(IntDefaultHandler);
+void SSP1_IRQHandler       (void) ALIAS(IntDefaultHandler);
+void PLL0_IRQHandler       (void) ALIAS(IntDefaultHandler);
+void RTC_IRQHandler        (void) ALIAS(IntDefaultHandler);
+void EINT0_IRQHandler      (void) ALIAS(IntDefaultHandler);
+void EINT1_IRQHandler      (void) ALIAS(IntDefaultHandler);
+void EINT2_IRQHandler      (void) ALIAS(IntDefaultHandler);
+void EINT3_IRQHandler      (void) ALIAS(IntDefaultHandler);
+void ADC_IRQHandler        (void) ALIAS(IntDefaultHandler);
+void BOD_IRQHandler        (void) ALIAS(IntDefaultHandler);
+void USB_IRQHandler        (void) ALIAS(IntDefaultHandler);
+void CAN_IRQHandler        (void) ALIAS(IntDefaultHandler);
+void DMA_IRQHandler        (void) ALIAS(IntDefaultHandler);
+void I2S_IRQHandler        (void) ALIAS(IntDefaultHandler);
+void ENET_IRQHandler       (void) ALIAS(IntDefaultHandler);
+void RIT_IRQHandler        (void) ALIAS(IntDefaultHandler);
+void MCPWM_IRQHandler      (void) ALIAS(IntDefaultHandler);
+void QEI_IRQHandler        (void) ALIAS(IntDefaultHandler);
+void PLL1_IRQHandler       (void) ALIAS(IntDefaultHandler);
+void USBActivity_IRQHandler(void) ALIAS(IntDefaultHandler);
+void CANActivity_IRQHandler(void) ALIAS(IntDefaultHandler);
+
+__attribute__ ((section(".isr_vector")))
+void (* const g_pfnVectors[])(void) = {
+    &_vStackTop, ResetISR, NMI_Handler,
+    HardFault_Handler,
+    MemManage_Handler,
+    BusFault_Handler,
+    UsageFault_Handler,
+    0,
+    0,
+    0,
+    0,
+    SVCall_Handler,
+    DebugMon_Handler,
+    0,
+    PendSV_Handler,
+    SysTick_Handler,
+    WDT_IRQHandler,
+    TIMER0_IRQHandler,
+    TIMER1_IRQHandler,
+    TIMER2_IRQHandler,
+    TIMER3_IRQHandler,
+    UART0_IRQHandler,
+    UART1_IRQHandler,
+    UART2_IRQHandler,
+    UART3_IRQHandler,
+    PWM1_IRQHandler,
+    I2C0_IRQHandler,
+    I2C1_IRQHandler,
+    I2C2_IRQHandler,
+    SPI_IRQHandler,
+    SSP0_IRQHandler,
+    SSP1_IRQHandler,
+    PLL0_IRQHandler,
+    RTC_IRQHandler,
+    EINT0_IRQHandler,
+    EINT1_IRQHandler,
+    EINT2_IRQHandler,
+    EINT3_IRQHandler,
+    ADC_IRQHandler,
+    BOD_IRQHandler,
+    USB_IRQHandler,
+    CAN_IRQHandler,
+    DMA_IRQHandler,
+    I2S_IRQHandler,
+    ENET_IRQHandler,
+    RIT_IRQHandler,
+    MCPWM_IRQHandler,
+    QEI_IRQHandler,
+    PLL1_IRQHandler,
+    USBActivity_IRQHandler,
+    CANActivity_IRQHandler,
+};
+
+AFTER_VECTORS void data_init(unsigned int romstart, unsigned int start, unsigned int len) {
+    unsigned int *pulDest = (unsigned int*) start;
+    unsigned int *pulSrc = (unsigned int*) romstart;
+    unsigned int loop;
+    for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = *pulSrc++;
+}
+
+AFTER_VECTORS void bss_init(unsigned int start, unsigned int len) {
+    unsigned int *pulDest = (unsigned int*) start;
+    unsigned int loop;
+    for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = 0;
+}
+
+AFTER_VECTORS void ResetISR(void) {
+    unsigned int LoadAddr, ExeAddr, SectionLen;
+    unsigned int *SectionTableAddr;
+    
+    SectionTableAddr = &__data_section_table;
+    
+    while (SectionTableAddr < &__data_section_table_end) {
+        LoadAddr = *SectionTableAddr++;
+        ExeAddr = *SectionTableAddr++;
+        SectionLen = *SectionTableAddr++;
+        data_init(LoadAddr, ExeAddr, SectionLen);
+    }
+    while (SectionTableAddr < &__bss_section_table_end) {
+        ExeAddr = *SectionTableAddr++;
+        SectionLen = *SectionTableAddr++;
+        bss_init(ExeAddr, SectionLen);
+    }
+    
+    SystemInit();
+    __libc_init_array();
+    main();
+    while (1) {;}
+}
+
+AFTER_VECTORS void NMI_Handler       (void) {}
+AFTER_VECTORS void HardFault_Handler (void) {}
+AFTER_VECTORS void MemManage_Handler (void) {}
+AFTER_VECTORS void BusFault_Handler  (void) {}
+AFTER_VECTORS void UsageFault_Handler(void) {}
+AFTER_VECTORS void SVCall_Handler    (void) {}
+AFTER_VECTORS void DebugMon_Handler  (void) {}
+AFTER_VECTORS void PendSV_Handler    (void) {}
+AFTER_VECTORS void SysTick_Handler   (void) {}
+AFTER_VECTORS void IntDefaultHandler (void) {}
+
+int __aeabi_atexit(void *object, void (*destructor)(void *), void *dso_handle) {return 0;}
+}
+
+#include 
+
+void *operator new(size_t size)  {return malloc(size);}
+void *operator new[](size_t size){return malloc(size);}
+
+void operator delete(void *p)   {free(p);}
+void operator delete[](void *p) {free(p);}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CS/LPC1768.ld b/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CS/LPC1768.ld
new file mode 100644
index 0000000000..e88d34de6c
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CS/LPC1768.ld
@@ -0,0 +1,212 @@
+/* Linker script for mbed LPC1768
+ *
+ * Version:CodeSourcery Sourcery G++ Lite 2007q3-53
+ * BugURL:https://support.codesourcery.com/GNUToolchain/
+ *
+ *  Copyright 2007 CodeSourcery.
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply. */
+OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
+ENTRY(__cs3_reset_cortex_m)
+SEARCH_DIR(.)
+
+/*
+ram ORIGIN: 8_byte_aligned(49 vect * 4 bytes) =  8_byte_aligned(0xC4) = 0xC8
+ram LENGTH: 32KB - 0xC8 = 0x7F38
+*/
+MEMORY
+{
+  rom (rx)  : ORIGIN = 0x00000000, LENGTH = 512K
+  
+  ram (rwx) : ORIGIN = 0x100000C8, LENGTH = 0x7F38
+  
+  ram1(rwx) : ORIGIN = 0x2007C000, LENGTH = 16K
+  ram2(rwx) : ORIGIN = 0x20080000, LENGTH = 16K
+}
+
+/* These force the linker to search for particular symbols from
+ * the start of the link process and thus ensure the user's
+ * overrides are picked up
+ */
+EXTERN(__cs3_reset_cortex_m)
+EXTERN(__cs3_interrupt_vector_cortex_m)
+EXTERN(__cs3_start_c main __cs3_stack __cs3_stack_size __cs3_heap_end)
+
+PROVIDE(__cs3_stack = __cs3_region_start_ram + __cs3_region_size_ram);
+PROVIDE(__cs3_stack_size = __cs3_region_start_ram + __cs3_region_size_ram - _end);
+PROVIDE(__cs3_heap_start = _end);
+PROVIDE(__cs3_heap_end = __cs3_region_start_ram + __cs3_region_size_ram);
+
+SECTIONS
+{
+  .text :
+  {
+    CREATE_OBJECT_SYMBOLS
+    __cs3_region_start_rom = .;
+    *(.cs3.region-head.rom)
+    __cs3_interrupt_vector = __cs3_interrupt_vector_cortex_m;
+    *(.cs3.interrupt_vector)
+    /* Make sure we pulled in an interrupt vector.  */
+    ASSERT (. != __cs3_interrupt_vector_cortex_m, "No interrupt vector");
+    *(.rom)
+    *(.rom.b)
+
+    __cs3_reset = __cs3_reset_cortex_m;
+    *(.cs3.reset)
+    /* Make sure we pulled in some reset code.  */
+    ASSERT (. != __cs3_reset, "No reset code");
+
+    *(.text .text.* .gnu.linkonce.t.*)
+    *(.plt)
+    *(.gnu.warning)
+    *(.glue_7t) *(.glue_7) *(.vfp11_veneer)
+
+    *(.rodata .rodata.* .gnu.linkonce.r.*)
+
+    *(.ARM.extab* .gnu.linkonce.armextab.*)
+    *(.gcc_except_table)
+    *(.eh_frame_hdr)
+    *(.eh_frame)
+
+    . = ALIGN(4);
+    KEEP(*(.init))
+
+    . = ALIGN(4);
+    __preinit_array_start = .;
+    KEEP (*(.preinit_array))
+    __preinit_array_end = .;
+
+    . = ALIGN(4);
+    __init_array_start = .;
+    KEEP (*(SORT(.init_array.*)))
+    KEEP (*(.init_array))
+    __init_array_end = .;
+
+    . = ALIGN(0x4);
+    KEEP (*crtbegin.o(.ctors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*crtend.o(.ctors))
+
+    . = ALIGN(4);
+    KEEP(*(.fini))
+
+    . = ALIGN(4);
+    __fini_array_start = .;
+    KEEP (*(.fini_array))
+    KEEP (*(SORT(.fini_array.*)))
+    __fini_array_end = .;
+
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*crtend.o(.dtors))
+
+    . = ALIGN(4);
+    __cs3_regions = .;
+    LONG (0)
+    LONG (__cs3_region_init_ram)
+    LONG (__cs3_region_start_ram)
+    LONG (__cs3_region_init_size_ram)
+    LONG (__cs3_region_zero_size_ram)
+  }
+
+  /* .ARM.exidx is sorted, so has to go in its own output section.  */
+  __exidx_start = .;
+  .ARM.exidx :
+  {
+    *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+  } >rom
+  __exidx_end = .;
+  .text.align :
+  {
+    . = ALIGN(8);
+    _etext = .;
+  } >rom
+  __cs3_region_size_rom = LENGTH(rom);
+  __cs3_region_num = 1;
+  
+  .data :
+  {
+    __cs3_region_start_ram = .;
+    *(.cs3.region-head.ram)
+    KEEP(*(.jcr))
+    *(.got.plt) *(.got)
+    *(.shdata)
+    *(.data .data.* .gnu.linkonce.d.*)
+    *(.ram)
+    . = ALIGN (8);
+    _edata = .;
+  } >ram AT>rom
+  .bss :
+  {
+    *(.shbss)
+    *(.bss .bss.* .gnu.linkonce.b.*)
+    *(COMMON)
+    *(.ram.b)
+    . = ALIGN (8);
+    _end = .;
+    __end = .;
+  } >ram AT>rom
+  /* This used for USB RAM section */
+	.usb_ram (NOLOAD):
+	{
+		*.o (USB_RAM)
+	} > ram2
+  .heap (NOLOAD) :
+  {
+    *(.heap)
+  } >ram
+  .stack (__cs3_stack - __cs3_stack_size) (NOLOAD):
+  {
+    *(.stack)
+    _estack = .;
+    PROVIDE(estack = .);
+  } >ram
+
+  __cs3_region_init_ram = LOADADDR (.data);
+  __cs3_region_init_size_ram = _edata - __cs3_region_start_ram;
+  __cs3_region_zero_size_ram = _end - _edata;
+  __cs3_region_size_ram = LENGTH(ram);
+  __cs3_region_num = 1;
+
+  .stab 0 (NOLOAD) : { *(.stab) }
+  .stabstr 0 (NOLOAD) : { *(.stabstr) }
+  /* DWARF debug sections.
+   * Symbols in the DWARF debugging sections are relative to the beginning
+   * of the section so we begin them at 0.  */
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev   0 : { *(.debug_abbrev) }
+  .debug_line     0 : { *(.debug_line) }
+  .debug_frame    0 : { *(.debug_frame) }
+  .debug_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) }
+  .debug_funcnames 0 : { *(.debug_funcnames) }
+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+
+  .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
+  .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }
+  /DISCARD/ : { *(.note.GNU-stack) }
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CS/startup_LPC17xx.s b/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CS/startup_LPC17xx.s
new file mode 100644
index 0000000000..564e6d774b
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CS/startup_LPC17xx.s
@@ -0,0 +1,204 @@
+    .equ    Stack_Size, 0x1024
+    .section ".stack", "w"
+    .align  3
+    .globl  __cs3_stack_mem
+    .globl  __cs3_stack_size
+__cs3_stack_mem:
+    .if     Stack_Size
+    .space  Stack_Size
+    .endif
+    .size   __cs3_stack_mem,  . - __cs3_stack_mem
+    .set    __cs3_stack_size, . - __cs3_stack_mem
+
+    .equ    Heap_Size,  0x8000
+    .section ".heap", "w"
+    .align  3
+    .globl  __cs3_heap_start
+    .globl  __cs3_heap_end
+__cs3_heap_start:
+    .if     Heap_Size
+    .space  Heap_Size
+    .endif
+__cs3_heap_end:
+
+
+    .section ".cs3.interrupt_vector"
+    .globl  __cs3_interrupt_vector_cortex_m
+    .type   __cs3_interrupt_vector_cortex_m, %object
+
+__cs3_interrupt_vector_cortex_m:
+    .long   __cs3_stack
+    .long   __cs3_reset
+    .long   NMI_Handler
+    .long   HardFault_Handler
+    .long   MemManage_Handler
+    .long   BusFault_Handler
+    .long   UsageFault_Handler
+    .long   0
+    .long   0
+    .long   0
+    .long   0
+    .long   SVC_Handler
+    .long   DebugMon_Handler
+    .long   0
+    .long   PendSV_Handler
+    .long   SysTick_Handler
+
+    .long   WDT_IRQHandler
+    .long   TIMER0_IRQHandler
+    .long   TIMER1_IRQHandler
+    .long   TIMER2_IRQHandler
+    .long   TIMER3_IRQHandler
+    .long   UART0_IRQHandler
+    .long   UART1_IRQHandler
+    .long   UART2_IRQHandler
+    .long   UART3_IRQHandler
+    .long   PWM1_IRQHandler
+    .long   I2C0_IRQHandler
+    .long   I2C1_IRQHandler
+    .long   I2C2_IRQHandler
+    .long   SPI_IRQHandler
+    .long   SSP0_IRQHandler
+    .long   SSP1_IRQHandler
+    .long   PLL0_IRQHandler
+    .long   RTC_IRQHandler
+    .long   EINT0_IRQHandler
+    .long   EINT1_IRQHandler
+    .long   EINT2_IRQHandler
+    .long   EINT3_IRQHandler
+    .long   ADC_IRQHandler
+    .long   BOD_IRQHandler
+    .long   USB_IRQHandler
+    .long   CAN_IRQHandler
+    .long   DMA_IRQHandler
+    .long   I2S_IRQHandler
+    .long   ENET_IRQHandler
+    .long   RIT_IRQHandler
+    .long   MCPWM_IRQHandler
+    .long   QEI_IRQHandler
+    .long   PLL1_IRQHandler
+    .long	USBActivity_IRQHandler
+    .long 	CANActivity_IRQHandler
+
+    .size   __cs3_interrupt_vector_cortex_m, . - __cs3_interrupt_vector_cortex_m
+
+    .thumb
+
+    .section .cs3.reset,"x",%progbits
+    .thumb_func
+    .globl  __cs3_reset_cortex_m
+    .type   __cs3_reset_cortex_m, %function
+__cs3_reset_cortex_m:
+    .fnstart
+    LDR     R0, =SystemInit
+    BLX     R0
+    LDR     R0, =__cs3_start_c
+    BX      R0
+    .pool
+    .cantunwind
+    .fnend
+    .size   __cs3_reset_cortex_m,.-__cs3_reset_cortex_m
+
+    .section ".text"
+
+    .weak   NMI_Handler
+    .type   NMI_Handler, %function
+NMI_Handler:
+    B       .
+    .size   NMI_Handler, . - NMI_Handler
+
+    .weak   HardFault_Handler
+    .type   HardFault_Handler, %function
+HardFault_Handler:
+    B       .
+    .size   HardFault_Handler, . - HardFault_Handler
+
+    .weak   MemManage_Handler
+    .type   MemManage_Handler, %function
+MemManage_Handler:
+    B       .
+    .size   MemManage_Handler, . - MemManage_Handler
+
+    .weak   BusFault_Handler
+    .type   BusFault_Handler, %function
+BusFault_Handler:
+    B       .
+    .size   BusFault_Handler, . - BusFault_Handler
+
+    .weak   UsageFault_Handler
+    .type   UsageFault_Handler, %function
+UsageFault_Handler:
+    B       .
+    .size   UsageFault_Handler, . - UsageFault_Handler
+
+    .weak   SVC_Handler
+    .type   SVC_Handler, %function
+SVC_Handler:
+    B       .
+    .size   SVC_Handler, . - SVC_Handler
+
+    .weak   DebugMon_Handler
+    .type   DebugMon_Handler, %function
+DebugMon_Handler:
+    B       .
+    .size   DebugMon_Handler, . - DebugMon_Handler
+
+    .weak   PendSV_Handler
+    .type   PendSV_Handler, %function
+PendSV_Handler:
+    B       .
+    .size   PendSV_Handler, . - PendSV_Handler
+
+    .weak   SysTick_Handler
+    .type   SysTick_Handler, %function
+SysTick_Handler:
+    B       .
+    .size   SysTick_Handler, . - SysTick_Handler
+
+    .globl  Default_Handler
+    .type   Default_Handler, %function
+Default_Handler:
+    B       .
+    .size   Default_Handler, . - Default_Handler
+
+    .macro  IRQ handler
+    .weak   \handler
+    .set    \handler, Default_Handler
+    .endm
+
+    IRQ     WDT_IRQHandler
+    IRQ     TIMER0_IRQHandler
+    IRQ     TIMER1_IRQHandler
+    IRQ     TIMER2_IRQHandler
+    IRQ     TIMER3_IRQHandler
+    IRQ     UART0_IRQHandler
+    IRQ     UART1_IRQHandler
+    IRQ     UART2_IRQHandler
+    IRQ     UART3_IRQHandler
+    IRQ     PWM1_IRQHandler
+    IRQ     I2C0_IRQHandler
+    IRQ     I2C1_IRQHandler
+    IRQ     I2C2_IRQHandler
+    IRQ     SPI_IRQHandler
+    IRQ     SSP0_IRQHandler
+    IRQ     SSP1_IRQHandler
+    IRQ     PLL0_IRQHandler
+    IRQ     RTC_IRQHandler
+    IRQ     EINT0_IRQHandler
+    IRQ     EINT1_IRQHandler
+    IRQ     EINT2_IRQHandler
+    IRQ     EINT3_IRQHandler
+    IRQ     ADC_IRQHandler
+    IRQ     BOD_IRQHandler
+    IRQ     USB_IRQHandler
+    IRQ     CAN_IRQHandler
+    IRQ     DMA_IRQHandler
+    IRQ     I2S_IRQHandler
+    IRQ     ENET_IRQHandler
+    IRQ     RIT_IRQHandler
+    IRQ     MCPWM_IRQHandler
+    IRQ     QEI_IRQHandler
+    IRQ     PLL1_IRQHandler
+    IRQ		USBActivity_IRQHandler
+    IRQ		CANActivity_IRQHandler
+    .end
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CS/sys.cpp b/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CS/sys.cpp
new file mode 100644
index 0000000000..8260e20335
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/GCC_CS/sys.cpp
@@ -0,0 +1,84 @@
+#include "cmsis.h"
+#include 
+#include 
+
+extern "C" {
+
+struct SCS3Regions {
+    unsigned long   Dummy;
+    unsigned long*  InitRam;
+    unsigned long*  StartRam;
+    unsigned long   InitSizeRam;
+    unsigned long   ZeroSizeRam;
+};
+
+extern unsigned long __cs3_regions;
+extern unsigned long __cs3_heap_start;
+
+int  main(void);
+void __libc_init_array(void);
+void exit(int ErrorCode);
+
+static void *heap_pointer = NULL;
+
+void __cs3_start_c(void) {
+    static SCS3Regions* pCS3Regions = (SCS3Regions*)&__cs3_regions;
+    unsigned long* pulDest;
+    unsigned long* pulSrc;
+    unsigned long  ByteCount;
+    unsigned long  i;
+    
+    pulSrc = pCS3Regions->InitRam;
+    pulDest = pCS3Regions->StartRam;
+    ByteCount = pCS3Regions->InitSizeRam;
+    if (pulSrc != pulDest) {
+        for(i = 0 ; i < ByteCount ; i += sizeof(unsigned long)) {
+            *(pulDest++) = *(pulSrc++);
+        }
+    } else {
+        pulDest = (unsigned long*)(void*)((char*)pulDest + ByteCount);
+    }
+    
+    ByteCount = pCS3Regions->ZeroSizeRam;
+    for(i = 0 ; i < ByteCount ; i += sizeof(unsigned long)) {
+        *(pulDest++) = 0;
+    }
+    
+    heap_pointer = &__cs3_heap_start;
+     __libc_init_array();
+    
+    exit(main());
+}
+
+int _kill(int pid, int sig) {
+    errno = EINVAL;
+    return -1;
+}
+
+void _exit(int status) {
+    exit(status);
+}
+
+int _getpid(void) {
+	return 1;
+}
+
+void *_sbrk(unsigned int incr) {
+    void *mem;
+    
+    unsigned int next = ((((unsigned int)heap_pointer + incr) + 7) & ~7);
+    if (next > __get_MSP()) {
+        mem = NULL;
+    } else {
+        mem = (void *)heap_pointer;
+    }
+    heap_pointer = (void *)next;
+    
+    return mem;
+}
+
+int _isatty(int file) {
+    return (file < 3) ? 1 : 0;
+}
+
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/IAR/LPC17xx.icf b/libraries/mbed/vendor/NXP/cmsis/LPC1768/IAR/LPC17xx.icf
new file mode 100644
index 0000000000..a4ce761c5e
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/IAR/LPC17xx.icf
@@ -0,0 +1,40 @@
+/* [ROM] */
+define symbol __intvec_start__     = 0x00000000;
+define symbol __region_ROM_start__ = 0x00000000;
+define symbol __CRP_start__        = 0x000002FC;
+define symbol __CRP_end__          = 0x000002FF;
+define symbol __region_ROM_end__   = 0x0007FFFF;
+
+/* [RAM] Vector table dynamic copy: 8_byte_aligned(49 vect * 4 bytes) =  8_byte_aligned(0xC4) = 0xC8*/
+define symbol __NVIC_start__       = 0x10000000;
+define symbol __NVIC_end__         = 0x100000C7;
+define symbol __region_RAM_start__ = 0x100000C8;
+define symbol __region_RAM_end__   = 0x1000FFDF;
+define symbol _AHB_RAM_start__     = 0x2007C000;
+define symbol _AHB_RAM_end__       = 0x20083FFF;
+
+/* Memory regions */
+define memory mem with size = 4G;
+
+define region ROM_region     = mem:[from __region_ROM_start__   to __region_ROM_end__] - mem:[from  __CRP_start__ to __CRP_end__];
+define region CRP_region     = mem:[from  __CRP_start__ to __CRP_end__];
+
+define region RAM_region     = mem:[from __region_RAM_start__   to __region_RAM_end__];
+define region AHB_RAM_region = mem:[from _AHB_RAM_start__ to _AHB_RAM_end__];
+
+/* Stack and Heap */
+define symbol __size_cstack__   = 0x800;
+define symbol __size_heap__     = 0x800;
+define block CSTACK    with alignment = 8, size = __size_cstack__   { };
+define block HEAP      with alignment = 8, size = __size_heap__     { };
+define block STACKHEAP with fixed order { block HEAP, block CSTACK };
+
+initialize by copy with packing = zeros { readwrite };
+do not initialize  { section .noinit };
+
+place at address mem:__intvec_start__ { section .intvec };
+place at address mem:0x2FC { section CRPKEY };
+place in ROM_region     { readonly };
+place in RAM_region     { readwrite, block STACKHEAP };
+place in AHB_RAM_region { section USB_RAM };
+place in CRP_region     { section .crp };
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/IAR/startup_LPC17xx.s b/libraries/mbed/vendor/NXP/cmsis/LPC1768/IAR/startup_LPC17xx.s
new file mode 100644
index 0000000000..4ffb5331ab
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/IAR/startup_LPC17xx.s
@@ -0,0 +1,375 @@
+;/*****************************************************************************
+; * @file:    startup_LPC17xx.s
+; * @purpose: CMSIS Cortex-M3 Core Device Startup File
+; *           for the NXP LPC17xx Device Series
+; * @version: V1.03
+; * @date:    09. February 2010
+; *----------------------------------------------------------------------------
+; *
+; * Copyright (C) 2010 ARM Limited. All rights reserved.
+; *
+; * ARM Limited (ARM) is supplying this software for use with Cortex-Mx
+; * processor based microcontrollers.  This file can be freely distributed
+; * within development tools that are supporting such ARM based processors.
+; *
+; * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+; * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+; * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+; * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+; * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+; *
+; ******************************************************************************/
+
+
+;
+; The modules in this file are included in the libraries, and may be replaced
+; by any user-defined modules that define the PUBLIC symbol _program_start or
+; a user defined start symbol.
+; To override the cstartup defined in the library, simply add your modified
+; version to the workbench project.
+;
+; The vector table is normally located at address 0.
+; When debugging in RAM, it can be located in RAM, aligned to at least 2^6.
+; The name "__vector_table" has special meaning for C-SPY:
+; it is where the SP start value is found, and the NVIC vector
+; table register (VTOR) is initialized to this address if != 0.
+;
+; Cortex-M version
+;
+
+        MODULE  ?cstartup
+
+        ;; Forward declaration of sections.
+        SECTION CSTACK:DATA:NOROOT(3)
+
+        SECTION .intvec:CODE:NOROOT(2)
+
+        EXTERN  __iar_program_start
+        EXTERN  SystemInit
+        PUBLIC  __vector_table
+        PUBLIC  __vector_table_0x1c
+        PUBLIC  __Vectors
+        PUBLIC  __Vectors_End
+        PUBLIC  __Vectors_Size
+
+        DATA
+
+__vector_table
+        DCD     sfe(CSTACK)
+        DCD     Reset_Handler
+
+        DCD     NMI_Handler
+        DCD     HardFault_Handler
+        DCD     MemManage_Handler
+        DCD     BusFault_Handler
+        DCD     UsageFault_Handler
+__vector_table_0x1c
+        DCD     0
+        DCD     0
+        DCD     0
+        DCD     0
+        DCD     SVC_Handler
+        DCD     DebugMon_Handler
+        DCD     0
+        DCD     PendSV_Handler
+        DCD     SysTick_Handler
+
+        ; External Interrupts
+        DCD     WDT_IRQHandler            ; 16: Watchdog Timer
+        DCD     TIMER0_IRQHandler         ; 17: Timer0
+        DCD     TIMER1_IRQHandler         ; 18: Timer1
+        DCD     TIMER2_IRQHandler         ; 19: Timer2
+        DCD     TIMER3_IRQHandler         ; 20: Timer3
+        DCD     UART0_IRQHandler          ; 21: UART0
+        DCD     UART1_IRQHandler          ; 22: UART1
+        DCD     UART2_IRQHandler          ; 23: UART2
+        DCD     UART3_IRQHandler          ; 24: UART3
+        DCD     PWM1_IRQHandler           ; 25: PWM1
+        DCD     I2C0_IRQHandler           ; 26: I2C0
+        DCD     I2C1_IRQHandler           ; 27: I2C1
+        DCD     I2C2_IRQHandler           ; 28: I2C2
+        DCD     SPI_IRQHandler            ; 29: SPI
+        DCD     SSP0_IRQHandler           ; 30: SSP0
+        DCD     SSP1_IRQHandler           ; 31: SSP1
+        DCD     PLL0_IRQHandler           ; 32: PLL0 Lock (Main PLL)
+        DCD     RTC_IRQHandler            ; 33: Real Time Clock
+        DCD     EINT0_IRQHandler          ; 34: External Interrupt 0
+        DCD     EINT1_IRQHandler          ; 35: External Interrupt 1
+        DCD     EINT2_IRQHandler          ; 36: External Interrupt 2
+        DCD     EINT3_IRQHandler          ; 37: External Interrupt 3
+        DCD     ADC_IRQHandler            ; 38: A/D Converter
+        DCD     BOD_IRQHandler            ; 39: Brown-Out Detect
+        DCD     USB_IRQHandler            ; 40: USB
+        DCD     CAN_IRQHandler            ; 41: CAN
+        DCD     DMA_IRQHandler            ; 42: General Purpose DMA
+        DCD     I2S_IRQHandler            ; 43: I2S
+        DCD     ENET_IRQHandler           ; 44: Ethernet
+        DCD     RIT_IRQHandler            ; 45: Repetitive Interrupt Timer
+        DCD     MCPWM_IRQHandler          ; 46: Motor Control PWM
+        DCD     QEI_IRQHandler            ; 47: Quadrature Encoder Interface
+        DCD     PLL1_IRQHandler           ; 48: PLL1 Lock (USB PLL)
+        DCD			USBActivity_IRQHandler	  ; 49: USB Activity Interrupt
+        DCD			CANActivity_IRQHandler	  ; 50: CAN Activity Interrupt
+__Vectors_End
+
+__Vectors       EQU   __vector_table
+__Vectors_Size 	EQU 	__Vectors_End - __Vectors
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+;; Default interrupt handlers.
+;;
+        THUMB
+
+        PUBWEAK Reset_Handler
+        SECTION .text:CODE:REORDER(2)
+Reset_Handler
+        LDR     R0, =SystemInit
+        BLX     R0
+        LDR     R0, =__iar_program_start
+        BX      R0
+
+        PUBWEAK NMI_Handler
+        SECTION .text:CODE:REORDER(1)
+NMI_Handler
+        B NMI_Handler
+
+        PUBWEAK HardFault_Handler
+        SECTION .text:CODE:REORDER(1)
+HardFault_Handler
+        B HardFault_Handler
+
+        PUBWEAK MemManage_Handler
+        SECTION .text:CODE:REORDER(1)
+MemManage_Handler
+        B MemManage_Handler
+
+        PUBWEAK BusFault_Handler
+        SECTION .text:CODE:REORDER(1)
+BusFault_Handler
+        B BusFault_Handler
+
+        PUBWEAK UsageFault_Handler
+        SECTION .text:CODE:REORDER(1)
+UsageFault_Handler
+        B UsageFault_Handler
+
+        PUBWEAK SVC_Handler
+        SECTION .text:CODE:REORDER(1)
+SVC_Handler
+        B SVC_Handler
+
+        PUBWEAK DebugMon_Handler
+        SECTION .text:CODE:REORDER(1)
+DebugMon_Handler
+        B DebugMon_Handler
+
+        PUBWEAK PendSV_Handler
+        SECTION .text:CODE:REORDER(1)
+PendSV_Handler
+        B PendSV_Handler
+
+        PUBWEAK SysTick_Handler
+        SECTION .text:CODE:REORDER(1)
+SysTick_Handler
+        B SysTick_Handler
+
+        PUBWEAK WDT_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+WDT_IRQHandler
+        B WDT_IRQHandler
+
+        PUBWEAK TIMER0_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+TIMER0_IRQHandler
+        B TIMER0_IRQHandler
+
+        PUBWEAK TIMER1_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+TIMER1_IRQHandler
+        B TIMER1_IRQHandler
+
+        PUBWEAK TIMER2_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+TIMER2_IRQHandler
+        B TIMER2_IRQHandler
+
+        PUBWEAK TIMER3_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+TIMER3_IRQHandler
+        B TIMER3_IRQHandler
+
+        PUBWEAK UART0_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+UART0_IRQHandler
+        B UART0_IRQHandler
+
+        PUBWEAK UART1_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+UART1_IRQHandler
+        B UART1_IRQHandler
+
+        PUBWEAK UART2_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+UART2_IRQHandler
+        B UART2_IRQHandler
+
+        PUBWEAK UART3_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+UART3_IRQHandler
+        B UART3_IRQHandler
+
+        PUBWEAK PWM1_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+PWM1_IRQHandler
+        B PWM1_IRQHandler
+
+        PUBWEAK I2C0_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+I2C0_IRQHandler
+        B I2C0_IRQHandler
+
+        PUBWEAK I2C1_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+I2C1_IRQHandler
+        B I2C1_IRQHandler
+
+        PUBWEAK I2C2_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+I2C2_IRQHandler
+        B I2C2_IRQHandler
+
+        PUBWEAK SPI_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+SPI_IRQHandler
+        B SPI_IRQHandler
+
+        PUBWEAK SSP0_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+SSP0_IRQHandler
+        B SSP0_IRQHandler
+
+        PUBWEAK SSP1_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+SSP1_IRQHandler
+        B SSP1_IRQHandler
+
+        PUBWEAK PLL0_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+PLL0_IRQHandler
+        B PLL0_IRQHandler
+
+        PUBWEAK RTC_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+RTC_IRQHandler
+        B RTC_IRQHandler
+
+        PUBWEAK EINT0_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+EINT0_IRQHandler
+        B EINT0_IRQHandler
+
+        PUBWEAK EINT1_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+EINT1_IRQHandler
+        B EINT1_IRQHandler
+
+        PUBWEAK EINT2_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+EINT2_IRQHandler
+        B EINT2_IRQHandler
+
+        PUBWEAK EINT3_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+EINT3_IRQHandler
+        B EINT3_IRQHandler
+
+        PUBWEAK ADC_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+ADC_IRQHandler
+        B ADC_IRQHandler
+
+        PUBWEAK BOD_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+BOD_IRQHandler
+        B BOD_IRQHandler
+
+        PUBWEAK USB_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+USB_IRQHandler
+        B USB_IRQHandler
+
+        PUBWEAK CAN_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+CAN_IRQHandler
+        B CAN_IRQHandler
+
+        PUBWEAK DMA_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+DMA_IRQHandler
+        B DMA_IRQHandler
+
+        PUBWEAK I2S_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+I2S_IRQHandler
+        B I2S_IRQHandler
+
+        PUBWEAK ENET_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+ENET_IRQHandler
+        B ENET_IRQHandler
+
+        PUBWEAK RIT_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+RIT_IRQHandler
+        B RIT_IRQHandler
+
+        PUBWEAK MCPWM_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+MCPWM_IRQHandler
+        B MCPWM_IRQHandler
+
+        PUBWEAK QEI_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+QEI_IRQHandler
+        B QEI_IRQHandler
+
+        PUBWEAK PLL1_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+PLL1_IRQHandler
+        B PLL1_IRQHandler
+
+        PUBWEAK USBActivity_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+USBActivity_IRQHandler
+        B USBActivity_IRQHandler
+
+        PUBWEAK CANActivity_IRQHandler
+        SECTION .text:CODE:REORDER(1)
+CANActivity_IRQHandler
+        B CANActivity_IRQHandler
+
+#ifndef SRAM
+        SECTION .crp:CODE:ROOT(2)
+        DATA
+/* Code Read Protection
+CRP1    0x12345678 - Write to RAM command can not access RAM below 0x10000200.
+                   - Read Memory command: disabled.
+                   - Copy RAM to Flash command: cannot write to Sector 0.
+                   - "Go" command: disabled.
+                   - Erase sector(s) command: can erase any individual sector except 
+                   	 sector 0 only, or can erase all sectors at once.
+                   - Compare command: disabled
+CRP2    0x87654321 - Write to RAM command: disabled.
+                   - Copy RAM to Flash: disabled.
+                   - Erase command: only allows erase of all sectors.
+CRP3    0x43218765 - Access to chip via the SWD pins is disabled. ISP entry
+                     by pulling PIO0_1 LOW is disabled if a valid user code is
+                     present in flash sector 0.
+Caution: If CRP3 is selected, no future factory testing can be
+performed on the device.
+*/
+	DCD	0xFFFFFFFF
+#endif
+        END
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/LPC17xx.h b/libraries/mbed/vendor/NXP/cmsis/LPC1768/LPC17xx.h
new file mode 100644
index 0000000000..377fdf240a
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/LPC17xx.h
@@ -0,0 +1,1035 @@
+/**************************************************************************//**
+ * @file     LPC17xx.h
+ * @brief    CMSIS Cortex-M3 Core Peripheral Access Layer Header File for 
+ *           NXP LPC17xx Device Series
+ * @version: V1.09
+ * @date:    17. March 2010
+
+ *
+ * @note
+ * Copyright (C) 2009 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M 
+ * processor based microcontrollers.  This file can be freely distributed 
+ * within development tools that are supporting such ARM based processors. 
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+
+#ifndef __LPC17xx_H__
+#define __LPC17xx_H__
+
+/*
+ * ==========================================================================
+ * ---------- Interrupt Number Definition -----------------------------------
+ * ==========================================================================
+ */
+
+typedef enum IRQn
+{
+/******  Cortex-M3 Processor Exceptions Numbers ***************************************************/
+  NonMaskableInt_IRQn           = -14,      /*!< 2 Non Maskable Interrupt                         */
+  MemoryManagement_IRQn         = -12,      /*!< 4 Cortex-M3 Memory Management Interrupt          */
+  BusFault_IRQn                 = -11,      /*!< 5 Cortex-M3 Bus Fault Interrupt                  */
+  UsageFault_IRQn               = -10,      /*!< 6 Cortex-M3 Usage Fault Interrupt                */
+  SVCall_IRQn                   = -5,       /*!< 11 Cortex-M3 SV Call Interrupt                   */
+  DebugMonitor_IRQn             = -4,       /*!< 12 Cortex-M3 Debug Monitor Interrupt             */
+  PendSV_IRQn                   = -2,       /*!< 14 Cortex-M3 Pend SV Interrupt                   */
+  SysTick_IRQn                  = -1,       /*!< 15 Cortex-M3 System Tick Interrupt               */
+
+/******  LPC17xx Specific Interrupt Numbers *******************************************************/
+  WDT_IRQn                      = 0,        /*!< Watchdog Timer Interrupt                         */
+  TIMER0_IRQn                   = 1,        /*!< Timer0 Interrupt                                 */
+  TIMER1_IRQn                   = 2,        /*!< Timer1 Interrupt                                 */
+  TIMER2_IRQn                   = 3,        /*!< Timer2 Interrupt                                 */
+  TIMER3_IRQn                   = 4,        /*!< Timer3 Interrupt                                 */
+  UART0_IRQn                    = 5,        /*!< UART0 Interrupt                                  */
+  UART1_IRQn                    = 6,        /*!< UART1 Interrupt                                  */
+  UART2_IRQn                    = 7,        /*!< UART2 Interrupt                                  */
+  UART3_IRQn                    = 8,        /*!< UART3 Interrupt                                  */
+  PWM1_IRQn                     = 9,        /*!< PWM1 Interrupt                                   */
+  I2C0_IRQn                     = 10,       /*!< I2C0 Interrupt                                   */
+  I2C1_IRQn                     = 11,       /*!< I2C1 Interrupt                                   */
+  I2C2_IRQn                     = 12,       /*!< I2C2 Interrupt                                   */
+  SPI_IRQn                      = 13,       /*!< SPI Interrupt                                    */
+  SSP0_IRQn                     = 14,       /*!< SSP0 Interrupt                                   */
+  SSP1_IRQn                     = 15,       /*!< SSP1 Interrupt                                   */
+  PLL0_IRQn                     = 16,       /*!< PLL0 Lock (Main PLL) Interrupt                   */
+  RTC_IRQn                      = 17,       /*!< Real Time Clock Interrupt                        */
+  EINT0_IRQn                    = 18,       /*!< External Interrupt 0 Interrupt                   */
+  EINT1_IRQn                    = 19,       /*!< External Interrupt 1 Interrupt                   */
+  EINT2_IRQn                    = 20,       /*!< External Interrupt 2 Interrupt                   */
+  EINT3_IRQn                    = 21,       /*!< External Interrupt 3 Interrupt                   */
+  ADC_IRQn                      = 22,       /*!< A/D Converter Interrupt                          */
+  BOD_IRQn                      = 23,       /*!< Brown-Out Detect Interrupt                       */
+  USB_IRQn                      = 24,       /*!< USB Interrupt                                    */
+  CAN_IRQn                      = 25,       /*!< CAN Interrupt                                    */
+  DMA_IRQn                      = 26,       /*!< General Purpose DMA Interrupt                    */
+  I2S_IRQn                      = 27,       /*!< I2S Interrupt                                    */
+  ENET_IRQn                     = 28,       /*!< Ethernet Interrupt                               */
+  RIT_IRQn                      = 29,       /*!< Repetitive Interrupt Timer Interrupt             */
+  MCPWM_IRQn                    = 30,       /*!< Motor Control PWM Interrupt                      */
+  QEI_IRQn                      = 31,       /*!< Quadrature Encoder Interface Interrupt           */
+  PLL1_IRQn                     = 32,       /*!< PLL1 Lock (USB PLL) Interrupt                    */
+  USBActivity_IRQn              = 33,       /* USB Activity interrupt                             */
+  CANActivity_IRQn              = 34,       /* CAN Activity interrupt                             */
+} IRQn_Type;
+
+
+/*
+ * ==========================================================================
+ * ----------- Processor and Core Peripheral Section ------------------------
+ * ==========================================================================
+ */
+
+/* Configuration of the Cortex-M3 Processor and Core Peripherals */
+#define __MPU_PRESENT             1         /*!< MPU present or not                               */
+#define __NVIC_PRIO_BITS          5         /*!< Number of Bits used for Priority Levels          */
+#define __Vendor_SysTickConfig    0         /*!< Set to 1 if different SysTick Config is used     */
+
+
+#include "core_cm3.h"                       /* Cortex-M3 processor and core peripherals           */
+#include "system_LPC17xx.h"                 /* System Header                                      */
+
+
+/******************************************************************************/
+/*                Device Specific Peripheral registers structures             */
+/******************************************************************************/
+
+#if defined ( __CC_ARM   )
+#pragma anon_unions
+#endif
+
+/*------------- System Control (SC) ------------------------------------------*/
+typedef struct
+{
+  __IO uint32_t FLASHCFG;               /* Flash Accelerator Module           */
+       uint32_t RESERVED0[31];
+  __IO uint32_t PLL0CON;                /* Clocking and Power Control         */
+  __IO uint32_t PLL0CFG;
+  __I  uint32_t PLL0STAT;
+  __O  uint32_t PLL0FEED;
+       uint32_t RESERVED1[4];
+  __IO uint32_t PLL1CON;
+  __IO uint32_t PLL1CFG;
+  __I  uint32_t PLL1STAT;
+  __O  uint32_t PLL1FEED;
+       uint32_t RESERVED2[4];
+  __IO uint32_t PCON;
+  __IO uint32_t PCONP;
+       uint32_t RESERVED3[15];
+  __IO uint32_t CCLKCFG;
+  __IO uint32_t USBCLKCFG;
+  __IO uint32_t CLKSRCSEL;
+  __IO uint32_t	CANSLEEPCLR;
+  __IO uint32_t	CANWAKEFLAGS;
+       uint32_t RESERVED4[10];
+  __IO uint32_t EXTINT;                 /* External Interrupts                */
+       uint32_t RESERVED5;
+  __IO uint32_t EXTMODE;
+  __IO uint32_t EXTPOLAR;
+       uint32_t RESERVED6[12];
+  __IO uint32_t RSID;                   /* Reset                              */
+       uint32_t RESERVED7[7];
+  __IO uint32_t SCS;                    /* Syscon Miscellaneous Registers     */
+  __IO uint32_t IRCTRIM;                /* Clock Dividers                     */
+  __IO uint32_t PCLKSEL0;
+  __IO uint32_t PCLKSEL1;
+       uint32_t RESERVED8[4];
+  __IO uint32_t USBIntSt;               /* USB Device/OTG Interrupt Register  */
+  __IO uint32_t DMAREQSEL;
+  __IO uint32_t CLKOUTCFG;              /* Clock Output Configuration         */
+ } LPC_SC_TypeDef;
+
+/*------------- Pin Connect Block (PINCON) -----------------------------------*/
+typedef struct
+{
+  __IO uint32_t PINSEL0;
+  __IO uint32_t PINSEL1;
+  __IO uint32_t PINSEL2;
+  __IO uint32_t PINSEL3;
+  __IO uint32_t PINSEL4;
+  __IO uint32_t PINSEL5;
+  __IO uint32_t PINSEL6;
+  __IO uint32_t PINSEL7;
+  __IO uint32_t PINSEL8;
+  __IO uint32_t PINSEL9;
+  __IO uint32_t PINSEL10;
+       uint32_t RESERVED0[5];
+  __IO uint32_t PINMODE0;
+  __IO uint32_t PINMODE1;
+  __IO uint32_t PINMODE2;
+  __IO uint32_t PINMODE3;
+  __IO uint32_t PINMODE4;
+  __IO uint32_t PINMODE5;
+  __IO uint32_t PINMODE6;
+  __IO uint32_t PINMODE7;
+  __IO uint32_t PINMODE8;
+  __IO uint32_t PINMODE9;
+  __IO uint32_t PINMODE_OD0;
+  __IO uint32_t PINMODE_OD1;
+  __IO uint32_t PINMODE_OD2;
+  __IO uint32_t PINMODE_OD3;
+  __IO uint32_t PINMODE_OD4;
+  __IO uint32_t I2CPADCFG;
+} LPC_PINCON_TypeDef;
+
+/*------------- General Purpose Input/Output (GPIO) --------------------------*/
+typedef struct
+{
+  union {
+    __IO uint32_t FIODIR;
+    struct {
+      __IO uint16_t FIODIRL;
+      __IO uint16_t FIODIRH;
+    };
+    struct {
+      __IO uint8_t  FIODIR0;
+      __IO uint8_t  FIODIR1;
+      __IO uint8_t  FIODIR2;
+      __IO uint8_t  FIODIR3;
+    };
+  };
+  uint32_t RESERVED0[3];
+  union {
+    __IO uint32_t FIOMASK;
+    struct {
+      __IO uint16_t FIOMASKL;
+      __IO uint16_t FIOMASKH;
+    };
+    struct {
+      __IO uint8_t  FIOMASK0;
+      __IO uint8_t  FIOMASK1;
+      __IO uint8_t  FIOMASK2;
+      __IO uint8_t  FIOMASK3;
+    };
+  };
+  union {
+    __IO uint32_t FIOPIN;
+    struct {
+      __IO uint16_t FIOPINL;
+      __IO uint16_t FIOPINH;
+    };
+    struct {
+      __IO uint8_t  FIOPIN0;
+      __IO uint8_t  FIOPIN1;
+      __IO uint8_t  FIOPIN2;
+      __IO uint8_t  FIOPIN3;
+    };
+  };
+  union {
+    __IO uint32_t FIOSET;
+    struct {
+      __IO uint16_t FIOSETL;
+      __IO uint16_t FIOSETH;
+    };
+    struct {
+      __IO uint8_t  FIOSET0;
+      __IO uint8_t  FIOSET1;
+      __IO uint8_t  FIOSET2;
+      __IO uint8_t  FIOSET3;
+    };
+  };
+  union {
+    __O  uint32_t FIOCLR;
+    struct {
+      __O  uint16_t FIOCLRL;
+      __O  uint16_t FIOCLRH;
+    };
+    struct {
+      __O  uint8_t  FIOCLR0;
+      __O  uint8_t  FIOCLR1;
+      __O  uint8_t  FIOCLR2;
+      __O  uint8_t  FIOCLR3;
+    };
+  };
+} LPC_GPIO_TypeDef;
+
+typedef struct
+{
+  __I  uint32_t IntStatus;
+  __I  uint32_t IO0IntStatR;
+  __I  uint32_t IO0IntStatF;
+  __O  uint32_t IO0IntClr;
+  __IO uint32_t IO0IntEnR;
+  __IO uint32_t IO0IntEnF;
+       uint32_t RESERVED0[3];
+  __I  uint32_t IO2IntStatR;
+  __I  uint32_t IO2IntStatF;
+  __O  uint32_t IO2IntClr;
+  __IO uint32_t IO2IntEnR;
+  __IO uint32_t IO2IntEnF;
+} LPC_GPIOINT_TypeDef;
+
+/*------------- Timer (TIM) --------------------------------------------------*/
+typedef struct
+{
+  __IO uint32_t IR;
+  __IO uint32_t TCR;
+  __IO uint32_t TC;
+  __IO uint32_t PR;
+  __IO uint32_t PC;
+  __IO uint32_t MCR;
+  __IO uint32_t MR0;
+  __IO uint32_t MR1;
+  __IO uint32_t MR2;
+  __IO uint32_t MR3;
+  __IO uint32_t CCR;
+  __I  uint32_t CR0;
+  __I  uint32_t CR1;
+       uint32_t RESERVED0[2];
+  __IO uint32_t EMR;
+       uint32_t RESERVED1[12];
+  __IO uint32_t CTCR;
+} LPC_TIM_TypeDef;
+
+/*------------- Pulse-Width Modulation (PWM) ---------------------------------*/
+typedef struct
+{
+  __IO uint32_t IR;
+  __IO uint32_t TCR;
+  __IO uint32_t TC;
+  __IO uint32_t PR;
+  __IO uint32_t PC;
+  __IO uint32_t MCR;
+  __IO uint32_t MR0;
+  __IO uint32_t MR1;
+  __IO uint32_t MR2;
+  __IO uint32_t MR3;
+  __IO uint32_t CCR;
+  __I  uint32_t CR0;
+  __I  uint32_t CR1;
+  __I  uint32_t CR2;
+  __I  uint32_t CR3;
+       uint32_t RESERVED0;
+  __IO uint32_t MR4;
+  __IO uint32_t MR5;
+  __IO uint32_t MR6;
+  __IO uint32_t PCR;
+  __IO uint32_t LER;
+       uint32_t RESERVED1[7];
+  __IO uint32_t CTCR;
+} LPC_PWM_TypeDef;
+
+/*------------- Universal Asynchronous Receiver Transmitter (UART) -----------*/
+typedef struct
+{
+  union {
+  __I  uint8_t  RBR;
+  __O  uint8_t  THR;
+  __IO uint8_t  DLL;
+       uint32_t RESERVED0;
+  };
+  union {
+  __IO uint8_t  DLM;
+  __IO uint32_t IER;
+  };
+  union {
+  __I  uint32_t IIR;
+  __O  uint8_t  FCR;
+  };
+  __IO uint8_t  LCR;
+       uint8_t  RESERVED1[7];
+  __I  uint8_t  LSR;
+       uint8_t  RESERVED2[7];
+  __IO uint8_t  SCR;
+       uint8_t  RESERVED3[3];
+  __IO uint32_t ACR;
+  __IO uint8_t  ICR;
+       uint8_t  RESERVED4[3];
+  __IO uint8_t  FDR;
+       uint8_t  RESERVED5[7];
+  __IO uint8_t  TER;
+       uint8_t  RESERVED6[39];
+  __IO uint32_t FIFOLVL;
+} LPC_UART_TypeDef;
+
+typedef struct
+{
+  union {
+  __I  uint8_t  RBR;
+  __O  uint8_t  THR;
+  __IO uint8_t  DLL;
+       uint32_t RESERVED0;
+  };
+  union {
+  __IO uint8_t  DLM;
+  __IO uint32_t IER;
+  };
+  union {
+  __I  uint32_t IIR;
+  __O  uint8_t  FCR;
+  };
+  __IO uint8_t  LCR;
+       uint8_t  RESERVED1[7];
+  __I  uint8_t  LSR;
+       uint8_t  RESERVED2[7];
+  __IO uint8_t  SCR;
+       uint8_t  RESERVED3[3];
+  __IO uint32_t ACR;
+  __IO uint8_t  ICR;
+       uint8_t  RESERVED4[3];
+  __IO uint8_t  FDR;
+       uint8_t  RESERVED5[7];
+  __IO uint8_t  TER;
+       uint8_t  RESERVED6[39];
+  __IO uint32_t FIFOLVL;
+} LPC_UART0_TypeDef;
+
+typedef struct
+{
+  union {
+  __I  uint8_t  RBR;
+  __O  uint8_t  THR;
+  __IO uint8_t  DLL;
+       uint32_t RESERVED0;
+  };
+  union {
+  __IO uint8_t  DLM;
+  __IO uint32_t IER;
+  };
+  union {
+  __I  uint32_t IIR;
+  __O  uint8_t  FCR;
+  };
+  __IO uint8_t  LCR;
+       uint8_t  RESERVED1[3];
+  __IO uint8_t  MCR;
+       uint8_t  RESERVED2[3];
+  __I  uint8_t  LSR;
+       uint8_t  RESERVED3[3];
+  __I  uint8_t  MSR;
+       uint8_t  RESERVED4[3];
+  __IO uint8_t  SCR;
+       uint8_t  RESERVED5[3];
+  __IO uint32_t ACR;
+       uint32_t RESERVED6;
+  __IO uint32_t FDR;
+       uint32_t RESERVED7;
+  __IO uint8_t  TER;
+       uint8_t  RESERVED8[27];
+  __IO uint8_t  RS485CTRL;
+       uint8_t  RESERVED9[3];
+  __IO uint8_t  ADRMATCH;
+       uint8_t  RESERVED10[3];
+  __IO uint8_t  RS485DLY;
+       uint8_t  RESERVED11[3];
+  __IO uint32_t FIFOLVL;
+} LPC_UART1_TypeDef;
+
+/*------------- Serial Peripheral Interface (SPI) ----------------------------*/
+typedef struct
+{
+  __IO uint32_t SPCR;
+  __I  uint32_t SPSR;
+  __IO uint32_t SPDR;
+  __IO uint32_t SPCCR;
+       uint32_t RESERVED0[3];
+  __IO uint32_t SPINT;
+} LPC_SPI_TypeDef;
+
+/*------------- Synchronous Serial Communication (SSP) -----------------------*/
+typedef struct
+{
+  __IO uint32_t CR0;
+  __IO uint32_t CR1;
+  __IO uint32_t DR;
+  __I  uint32_t SR;
+  __IO uint32_t CPSR;
+  __IO uint32_t IMSC;
+  __IO uint32_t RIS;
+  __IO uint32_t MIS;
+  __IO uint32_t ICR;
+  __IO uint32_t DMACR;
+} LPC_SSP_TypeDef;
+
+/*------------- Inter-Integrated Circuit (I2C) -------------------------------*/
+typedef struct
+{
+  __IO uint32_t I2CONSET;
+  __I  uint32_t I2STAT;
+  __IO uint32_t I2DAT;
+  __IO uint32_t I2ADR0;
+  __IO uint32_t I2SCLH;
+  __IO uint32_t I2SCLL;
+  __O  uint32_t I2CONCLR;
+  __IO uint32_t MMCTRL;
+  __IO uint32_t I2ADR1;
+  __IO uint32_t I2ADR2;
+  __IO uint32_t I2ADR3;
+  __I  uint32_t I2DATA_BUFFER;
+  __IO uint32_t I2MASK0;
+  __IO uint32_t I2MASK1;
+  __IO uint32_t I2MASK2;
+  __IO uint32_t I2MASK3;
+} LPC_I2C_TypeDef;
+
+/*------------- Inter IC Sound (I2S) -----------------------------------------*/
+typedef struct
+{
+  __IO uint32_t I2SDAO;
+  __IO uint32_t I2SDAI;
+  __O  uint32_t I2STXFIFO;
+  __I  uint32_t I2SRXFIFO;
+  __I  uint32_t I2SSTATE;
+  __IO uint32_t I2SDMA1;
+  __IO uint32_t I2SDMA2;
+  __IO uint32_t I2SIRQ;
+  __IO uint32_t I2STXRATE;
+  __IO uint32_t I2SRXRATE;
+  __IO uint32_t I2STXBITRATE;
+  __IO uint32_t I2SRXBITRATE;
+  __IO uint32_t I2STXMODE;
+  __IO uint32_t I2SRXMODE;
+} LPC_I2S_TypeDef;
+
+/*------------- Repetitive Interrupt Timer (RIT) -----------------------------*/
+typedef struct
+{
+  __IO uint32_t RICOMPVAL;
+  __IO uint32_t RIMASK;
+  __IO uint8_t  RICTRL;
+       uint8_t  RESERVED0[3];
+  __IO uint32_t RICOUNTER;
+} LPC_RIT_TypeDef;
+
+/*------------- Real-Time Clock (RTC) ----------------------------------------*/
+typedef struct
+{
+  __IO uint8_t  ILR;
+       uint8_t  RESERVED0[7];
+  __IO uint8_t  CCR;
+       uint8_t  RESERVED1[3];
+  __IO uint8_t  CIIR;
+       uint8_t  RESERVED2[3];
+  __IO uint8_t  AMR;
+       uint8_t  RESERVED3[3];
+  __I  uint32_t CTIME0;
+  __I  uint32_t CTIME1;
+  __I  uint32_t CTIME2;
+  __IO uint8_t  SEC;
+       uint8_t  RESERVED4[3];
+  __IO uint8_t  MIN;
+       uint8_t  RESERVED5[3];
+  __IO uint8_t  HOUR;
+       uint8_t  RESERVED6[3];
+  __IO uint8_t  DOM;
+       uint8_t  RESERVED7[3];
+  __IO uint8_t  DOW;
+       uint8_t  RESERVED8[3];
+  __IO uint16_t DOY;
+       uint16_t RESERVED9;
+  __IO uint8_t  MONTH;
+       uint8_t  RESERVED10[3];
+  __IO uint16_t YEAR;
+       uint16_t RESERVED11;
+  __IO uint32_t CALIBRATION;
+  __IO uint32_t GPREG0;
+  __IO uint32_t GPREG1;
+  __IO uint32_t GPREG2;
+  __IO uint32_t GPREG3;
+  __IO uint32_t GPREG4;
+  __IO uint8_t  RTC_AUXEN;
+       uint8_t  RESERVED12[3];
+  __IO uint8_t  RTC_AUX;
+       uint8_t  RESERVED13[3];
+  __IO uint8_t  ALSEC;
+       uint8_t  RESERVED14[3];
+  __IO uint8_t  ALMIN;
+       uint8_t  RESERVED15[3];
+  __IO uint8_t  ALHOUR;
+       uint8_t  RESERVED16[3];
+  __IO uint8_t  ALDOM;
+       uint8_t  RESERVED17[3];
+  __IO uint8_t  ALDOW;
+       uint8_t  RESERVED18[3];
+  __IO uint16_t ALDOY;
+       uint16_t RESERVED19;
+  __IO uint8_t  ALMON;
+       uint8_t  RESERVED20[3];
+  __IO uint16_t ALYEAR;
+       uint16_t RESERVED21;
+} LPC_RTC_TypeDef;
+
+/*------------- Watchdog Timer (WDT) -----------------------------------------*/
+typedef struct
+{
+  __IO uint8_t  WDMOD;
+       uint8_t  RESERVED0[3];
+  __IO uint32_t WDTC;
+  __O  uint8_t  WDFEED;
+       uint8_t  RESERVED1[3];
+  __I  uint32_t WDTV;
+  __IO uint32_t WDCLKSEL;
+} LPC_WDT_TypeDef;
+
+/*------------- Analog-to-Digital Converter (ADC) ----------------------------*/
+typedef struct
+{
+  __IO uint32_t ADCR;
+  __IO uint32_t ADGDR;
+       uint32_t RESERVED0;
+  __IO uint32_t ADINTEN;
+  __I  uint32_t ADDR0;
+  __I  uint32_t ADDR1;
+  __I  uint32_t ADDR2;
+  __I  uint32_t ADDR3;
+  __I  uint32_t ADDR4;
+  __I  uint32_t ADDR5;
+  __I  uint32_t ADDR6;
+  __I  uint32_t ADDR7;
+  __I  uint32_t ADSTAT;
+  __IO uint32_t ADTRM;
+} LPC_ADC_TypeDef;
+
+/*------------- Digital-to-Analog Converter (DAC) ----------------------------*/
+typedef struct
+{
+  __IO uint32_t DACR;
+  __IO uint32_t DACCTRL;
+  __IO uint16_t DACCNTVAL;
+} LPC_DAC_TypeDef;
+
+/*------------- Motor Control Pulse-Width Modulation (MCPWM) -----------------*/
+typedef struct
+{
+  __I  uint32_t MCCON;
+  __O  uint32_t MCCON_SET;
+  __O  uint32_t MCCON_CLR;
+  __I  uint32_t MCCAPCON;
+  __O  uint32_t MCCAPCON_SET;
+  __O  uint32_t MCCAPCON_CLR;
+  __IO uint32_t MCTIM0;
+  __IO uint32_t MCTIM1;
+  __IO uint32_t MCTIM2;
+  __IO uint32_t MCPER0;
+  __IO uint32_t MCPER1;
+  __IO uint32_t MCPER2;
+  __IO uint32_t MCPW0;
+  __IO uint32_t MCPW1;
+  __IO uint32_t MCPW2;
+  __IO uint32_t MCDEADTIME;
+  __IO uint32_t MCCCP;
+  __IO uint32_t MCCR0;
+  __IO uint32_t MCCR1;
+  __IO uint32_t MCCR2;
+  __I  uint32_t MCINTEN;
+  __O  uint32_t MCINTEN_SET;
+  __O  uint32_t MCINTEN_CLR;
+  __I  uint32_t MCCNTCON;
+  __O  uint32_t MCCNTCON_SET;
+  __O  uint32_t MCCNTCON_CLR;
+  __I  uint32_t MCINTFLAG;
+  __O  uint32_t MCINTFLAG_SET;
+  __O  uint32_t MCINTFLAG_CLR;
+  __O  uint32_t MCCAP_CLR;
+} LPC_MCPWM_TypeDef;
+
+/*------------- Quadrature Encoder Interface (QEI) ---------------------------*/
+typedef struct
+{
+  __O  uint32_t QEICON;
+  __I  uint32_t QEISTAT;
+  __IO uint32_t QEICONF;
+  __I  uint32_t QEIPOS;
+  __IO uint32_t QEIMAXPOS;
+  __IO uint32_t CMPOS0;
+  __IO uint32_t CMPOS1;
+  __IO uint32_t CMPOS2;
+  __I  uint32_t INXCNT;
+  __IO uint32_t INXCMP;
+  __IO uint32_t QEILOAD;
+  __I  uint32_t QEITIME;
+  __I  uint32_t QEIVEL;
+  __I  uint32_t QEICAP;
+  __IO uint32_t VELCOMP;
+  __IO uint32_t FILTER;
+       uint32_t RESERVED0[998];
+  __O  uint32_t QEIIEC;
+  __O  uint32_t QEIIES;
+  __I  uint32_t QEIINTSTAT;
+  __I  uint32_t QEIIE;
+  __O  uint32_t QEICLR;
+  __O  uint32_t QEISET;
+} LPC_QEI_TypeDef;
+
+/*------------- Controller Area Network (CAN) --------------------------------*/
+typedef struct
+{
+  __IO uint32_t mask[512];              /* ID Masks                           */
+} LPC_CANAF_RAM_TypeDef;
+
+typedef struct                          /* Acceptance Filter Registers        */
+{
+  __IO uint32_t AFMR;
+  __IO uint32_t SFF_sa;
+  __IO uint32_t SFF_GRP_sa;
+  __IO uint32_t EFF_sa;
+  __IO uint32_t EFF_GRP_sa;
+  __IO uint32_t ENDofTable;
+  __I  uint32_t LUTerrAd;
+  __I  uint32_t LUTerr;
+  __IO uint32_t FCANIE;
+  __IO uint32_t FCANIC0;
+  __IO uint32_t FCANIC1;
+} LPC_CANAF_TypeDef;
+
+typedef struct                          /* Central Registers                  */
+{
+  __I  uint32_t CANTxSR;
+  __I  uint32_t CANRxSR;
+  __I  uint32_t CANMSR;
+} LPC_CANCR_TypeDef;
+
+typedef struct                          /* Controller Registers               */
+{
+  __IO uint32_t MOD;
+  __O  uint32_t CMR;
+  __IO uint32_t GSR;
+  __I  uint32_t ICR;
+  __IO uint32_t IER;
+  __IO uint32_t BTR;
+  __IO uint32_t EWL;
+  __I  uint32_t SR;
+  __IO uint32_t RFS;
+  __IO uint32_t RID;
+  __IO uint32_t RDA;
+  __IO uint32_t RDB;
+  __IO uint32_t TFI1;
+  __IO uint32_t TID1;
+  __IO uint32_t TDA1;
+  __IO uint32_t TDB1;
+  __IO uint32_t TFI2;
+  __IO uint32_t TID2;
+  __IO uint32_t TDA2;
+  __IO uint32_t TDB2;
+  __IO uint32_t TFI3;
+  __IO uint32_t TID3;
+  __IO uint32_t TDA3;
+  __IO uint32_t TDB3;
+} LPC_CAN_TypeDef;
+
+/*------------- General Purpose Direct Memory Access (GPDMA) -----------------*/
+typedef struct                          /* Common Registers                   */
+{
+  __I  uint32_t DMACIntStat;
+  __I  uint32_t DMACIntTCStat;
+  __O  uint32_t DMACIntTCClear;
+  __I  uint32_t DMACIntErrStat;
+  __O  uint32_t DMACIntErrClr;
+  __I  uint32_t DMACRawIntTCStat;
+  __I  uint32_t DMACRawIntErrStat;
+  __I  uint32_t DMACEnbldChns;
+  __IO uint32_t DMACSoftBReq;
+  __IO uint32_t DMACSoftSReq;
+  __IO uint32_t DMACSoftLBReq;
+  __IO uint32_t DMACSoftLSReq;
+  __IO uint32_t DMACConfig;
+  __IO uint32_t DMACSync;
+} LPC_GPDMA_TypeDef;
+
+typedef struct                          /* Channel Registers                  */
+{
+  __IO uint32_t DMACCSrcAddr;
+  __IO uint32_t DMACCDestAddr;
+  __IO uint32_t DMACCLLI;
+  __IO uint32_t DMACCControl;
+  __IO uint32_t DMACCConfig;
+} LPC_GPDMACH_TypeDef;
+
+/*------------- Universal Serial Bus (USB) -----------------------------------*/
+typedef struct
+{
+  __I  uint32_t HcRevision;             /* USB Host Registers                 */
+  __IO uint32_t HcControl;
+  __IO uint32_t HcCommandStatus;
+  __IO uint32_t HcInterruptStatus;
+  __IO uint32_t HcInterruptEnable;
+  __IO uint32_t HcInterruptDisable;
+  __IO uint32_t HcHCCA;
+  __I  uint32_t HcPeriodCurrentED;
+  __IO uint32_t HcControlHeadED;
+  __IO uint32_t HcControlCurrentED;
+  __IO uint32_t HcBulkHeadED;
+  __IO uint32_t HcBulkCurrentED;
+  __I  uint32_t HcDoneHead;
+  __IO uint32_t HcFmInterval;
+  __I  uint32_t HcFmRemaining;
+  __I  uint32_t HcFmNumber;
+  __IO uint32_t HcPeriodicStart;
+  __IO uint32_t HcLSTreshold;
+  __IO uint32_t HcRhDescriptorA;
+  __IO uint32_t HcRhDescriptorB;
+  __IO uint32_t HcRhStatus;
+  __IO uint32_t HcRhPortStatus1;
+  __IO uint32_t HcRhPortStatus2;
+       uint32_t RESERVED0[40];
+  __I  uint32_t Module_ID;
+
+  __I  uint32_t OTGIntSt;               /* USB On-The-Go Registers            */
+  __IO uint32_t OTGIntEn;
+  __O  uint32_t OTGIntSet;
+  __O  uint32_t OTGIntClr;
+  __IO uint32_t OTGStCtrl;
+  __IO uint32_t OTGTmr;
+       uint32_t RESERVED1[58];
+
+  __I  uint32_t USBDevIntSt;            /* USB Device Interrupt Registers     */
+  __IO uint32_t USBDevIntEn;
+  __O  uint32_t USBDevIntClr;
+  __O  uint32_t USBDevIntSet;
+
+  __O  uint32_t USBCmdCode;             /* USB Device SIE Command Registers   */
+  __I  uint32_t USBCmdData;
+
+  __I  uint32_t USBRxData;              /* USB Device Transfer Registers      */
+  __O  uint32_t USBTxData;
+  __I  uint32_t USBRxPLen;
+  __O  uint32_t USBTxPLen;
+  __IO uint32_t USBCtrl;
+  __O  uint32_t USBDevIntPri;
+
+  __I  uint32_t USBEpIntSt;             /* USB Device Endpoint Interrupt Regs */
+  __IO uint32_t USBEpIntEn;
+  __O  uint32_t USBEpIntClr;
+  __O  uint32_t USBEpIntSet;
+  __O  uint32_t USBEpIntPri;
+
+  __IO uint32_t USBReEp;                /* USB Device Endpoint Realization Reg*/
+  __O  uint32_t USBEpInd;
+  __IO uint32_t USBMaxPSize;
+
+  __I  uint32_t USBDMARSt;              /* USB Device DMA Registers           */
+  __O  uint32_t USBDMARClr;
+  __O  uint32_t USBDMARSet;
+       uint32_t RESERVED2[9];
+  __IO uint32_t USBUDCAH;
+  __I  uint32_t USBEpDMASt;
+  __O  uint32_t USBEpDMAEn;
+  __O  uint32_t USBEpDMADis;
+  __I  uint32_t USBDMAIntSt;
+  __IO uint32_t USBDMAIntEn;
+       uint32_t RESERVED3[2];
+  __I  uint32_t USBEoTIntSt;
+  __O  uint32_t USBEoTIntClr;
+  __O  uint32_t USBEoTIntSet;
+  __I  uint32_t USBNDDRIntSt;
+  __O  uint32_t USBNDDRIntClr;
+  __O  uint32_t USBNDDRIntSet;
+  __I  uint32_t USBSysErrIntSt;
+  __O  uint32_t USBSysErrIntClr;
+  __O  uint32_t USBSysErrIntSet;
+       uint32_t RESERVED4[15];
+
+  union {
+  __I  uint32_t I2C_RX;                 /* USB OTG I2C Registers              */
+  __O  uint32_t I2C_TX;
+  };
+  __I  uint32_t I2C_STS;
+  __IO uint32_t I2C_CTL;
+  __IO uint32_t I2C_CLKHI;
+  __O  uint32_t I2C_CLKLO;
+       uint32_t RESERVED5[824];
+
+  union {
+  __IO uint32_t USBClkCtrl;             /* USB Clock Control Registers        */
+  __IO uint32_t OTGClkCtrl;
+  };
+  union {
+  __I  uint32_t USBClkSt;
+  __I  uint32_t OTGClkSt;
+  };
+} LPC_USB_TypeDef;
+
+/*------------- Ethernet Media Access Controller (EMAC) ----------------------*/
+typedef struct
+{
+  __IO uint32_t MAC1;                   /* MAC Registers                      */
+  __IO uint32_t MAC2;
+  __IO uint32_t IPGT;
+  __IO uint32_t IPGR;
+  __IO uint32_t CLRT;
+  __IO uint32_t MAXF;
+  __IO uint32_t SUPP;
+  __IO uint32_t TEST;
+  __IO uint32_t MCFG;
+  __IO uint32_t MCMD;
+  __IO uint32_t MADR;
+  __O  uint32_t MWTD;
+  __I  uint32_t MRDD;
+  __I  uint32_t MIND;
+       uint32_t RESERVED0[2];
+  __IO uint32_t SA0;
+  __IO uint32_t SA1;
+  __IO uint32_t SA2;
+       uint32_t RESERVED1[45];
+  __IO uint32_t Command;                /* Control Registers                  */
+  __I  uint32_t Status;
+  __IO uint32_t RxDescriptor;
+  __IO uint32_t RxStatus;
+  __IO uint32_t RxDescriptorNumber;
+  __I  uint32_t RxProduceIndex;
+  __IO uint32_t RxConsumeIndex;
+  __IO uint32_t TxDescriptor;
+  __IO uint32_t TxStatus;
+  __IO uint32_t TxDescriptorNumber;
+  __IO uint32_t TxProduceIndex;
+  __I  uint32_t TxConsumeIndex;
+       uint32_t RESERVED2[10];
+  __I  uint32_t TSV0;
+  __I  uint32_t TSV1;
+  __I  uint32_t RSV;
+       uint32_t RESERVED3[3];
+  __IO uint32_t FlowControlCounter;
+  __I  uint32_t FlowControlStatus;
+       uint32_t RESERVED4[34];
+  __IO uint32_t RxFilterCtrl;           /* Rx Filter Registers                */
+  __IO uint32_t RxFilterWoLStatus;
+  __IO uint32_t RxFilterWoLClear;
+       uint32_t RESERVED5;
+  __IO uint32_t HashFilterL;
+  __IO uint32_t HashFilterH;
+       uint32_t RESERVED6[882];
+  __I  uint32_t IntStatus;              /* Module Control Registers           */
+  __IO uint32_t IntEnable;
+  __O  uint32_t IntClear;
+  __O  uint32_t IntSet;
+       uint32_t RESERVED7;
+  __IO uint32_t PowerDown;
+       uint32_t RESERVED8;
+  __IO uint32_t Module_ID;
+} LPC_EMAC_TypeDef;
+
+#if defined ( __CC_ARM   )
+#pragma no_anon_unions
+#endif
+
+
+/******************************************************************************/
+/*                         Peripheral memory map                              */
+/******************************************************************************/
+/* Base addresses                                                             */
+#define LPC_FLASH_BASE        (0x00000000UL)
+#define LPC_RAM_BASE          (0x10000000UL)
+#define LPC_GPIO_BASE         (0x2009C000UL)
+#define LPC_APB0_BASE         (0x40000000UL)
+#define LPC_APB1_BASE         (0x40080000UL)
+#define LPC_AHB_BASE          (0x50000000UL)
+#define LPC_CM3_BASE          (0xE0000000UL)
+
+/* APB0 peripherals                                                           */
+#define LPC_WDT_BASE          (LPC_APB0_BASE + 0x00000)
+#define LPC_TIM0_BASE         (LPC_APB0_BASE + 0x04000)
+#define LPC_TIM1_BASE         (LPC_APB0_BASE + 0x08000)
+#define LPC_UART0_BASE        (LPC_APB0_BASE + 0x0C000)
+#define LPC_UART1_BASE        (LPC_APB0_BASE + 0x10000)
+#define LPC_PWM1_BASE         (LPC_APB0_BASE + 0x18000)
+#define LPC_I2C0_BASE         (LPC_APB0_BASE + 0x1C000)
+#define LPC_SPI_BASE          (LPC_APB0_BASE + 0x20000)
+#define LPC_RTC_BASE          (LPC_APB0_BASE + 0x24000)
+#define LPC_GPIOINT_BASE      (LPC_APB0_BASE + 0x28080)
+#define LPC_PINCON_BASE       (LPC_APB0_BASE + 0x2C000)
+#define LPC_SSP1_BASE         (LPC_APB0_BASE + 0x30000)
+#define LPC_ADC_BASE          (LPC_APB0_BASE + 0x34000)
+#define LPC_CANAF_RAM_BASE    (LPC_APB0_BASE + 0x38000)
+#define LPC_CANAF_BASE        (LPC_APB0_BASE + 0x3C000)
+#define LPC_CANCR_BASE        (LPC_APB0_BASE + 0x40000)
+#define LPC_CAN1_BASE         (LPC_APB0_BASE + 0x44000)
+#define LPC_CAN2_BASE         (LPC_APB0_BASE + 0x48000)
+#define LPC_I2C1_BASE         (LPC_APB0_BASE + 0x5C000)
+
+/* APB1 peripherals                                                           */
+#define LPC_SSP0_BASE         (LPC_APB1_BASE + 0x08000)
+#define LPC_DAC_BASE          (LPC_APB1_BASE + 0x0C000)
+#define LPC_TIM2_BASE         (LPC_APB1_BASE + 0x10000)
+#define LPC_TIM3_BASE         (LPC_APB1_BASE + 0x14000)
+#define LPC_UART2_BASE        (LPC_APB1_BASE + 0x18000)
+#define LPC_UART3_BASE        (LPC_APB1_BASE + 0x1C000)
+#define LPC_I2C2_BASE         (LPC_APB1_BASE + 0x20000)
+#define LPC_I2S_BASE          (LPC_APB1_BASE + 0x28000)
+#define LPC_RIT_BASE          (LPC_APB1_BASE + 0x30000)
+#define LPC_MCPWM_BASE        (LPC_APB1_BASE + 0x38000)
+#define LPC_QEI_BASE          (LPC_APB1_BASE + 0x3C000)
+#define LPC_SC_BASE           (LPC_APB1_BASE + 0x7C000)
+
+/* AHB peripherals                                                            */
+#define LPC_EMAC_BASE         (LPC_AHB_BASE  + 0x00000)
+#define LPC_GPDMA_BASE        (LPC_AHB_BASE  + 0x04000)
+#define LPC_GPDMACH0_BASE     (LPC_AHB_BASE  + 0x04100)
+#define LPC_GPDMACH1_BASE     (LPC_AHB_BASE  + 0x04120)
+#define LPC_GPDMACH2_BASE     (LPC_AHB_BASE  + 0x04140)
+#define LPC_GPDMACH3_BASE     (LPC_AHB_BASE  + 0x04160)
+#define LPC_GPDMACH4_BASE     (LPC_AHB_BASE  + 0x04180)
+#define LPC_GPDMACH5_BASE     (LPC_AHB_BASE  + 0x041A0)
+#define LPC_GPDMACH6_BASE     (LPC_AHB_BASE  + 0x041C0)
+#define LPC_GPDMACH7_BASE     (LPC_AHB_BASE  + 0x041E0)
+#define LPC_USB_BASE          (LPC_AHB_BASE  + 0x0C000)
+
+/* GPIOs                                                                      */
+#define LPC_GPIO0_BASE        (LPC_GPIO_BASE + 0x00000)
+#define LPC_GPIO1_BASE        (LPC_GPIO_BASE + 0x00020)
+#define LPC_GPIO2_BASE        (LPC_GPIO_BASE + 0x00040)
+#define LPC_GPIO3_BASE        (LPC_GPIO_BASE + 0x00060)
+#define LPC_GPIO4_BASE        (LPC_GPIO_BASE + 0x00080)
+
+
+/******************************************************************************/
+/*                         Peripheral declaration                             */
+/******************************************************************************/
+#define LPC_SC                ((LPC_SC_TypeDef        *) LPC_SC_BASE       )
+#define LPC_GPIO0             ((LPC_GPIO_TypeDef      *) LPC_GPIO0_BASE    )
+#define LPC_GPIO1             ((LPC_GPIO_TypeDef      *) LPC_GPIO1_BASE    )
+#define LPC_GPIO2             ((LPC_GPIO_TypeDef      *) LPC_GPIO2_BASE    )
+#define LPC_GPIO3             ((LPC_GPIO_TypeDef      *) LPC_GPIO3_BASE    )
+#define LPC_GPIO4             ((LPC_GPIO_TypeDef      *) LPC_GPIO4_BASE    )
+#define LPC_WDT               ((LPC_WDT_TypeDef       *) LPC_WDT_BASE      )
+#define LPC_TIM0              ((LPC_TIM_TypeDef       *) LPC_TIM0_BASE     )
+#define LPC_TIM1              ((LPC_TIM_TypeDef       *) LPC_TIM1_BASE     )
+#define LPC_TIM2              ((LPC_TIM_TypeDef       *) LPC_TIM2_BASE     )
+#define LPC_TIM3              ((LPC_TIM_TypeDef       *) LPC_TIM3_BASE     )
+#define LPC_RIT               ((LPC_RIT_TypeDef       *) LPC_RIT_BASE      )
+#define LPC_UART0             ((LPC_UART0_TypeDef     *) LPC_UART0_BASE    )
+#define LPC_UART1             ((LPC_UART1_TypeDef     *) LPC_UART1_BASE    )
+#define LPC_UART2             ((LPC_UART_TypeDef      *) LPC_UART2_BASE    )
+#define LPC_UART3             ((LPC_UART_TypeDef      *) LPC_UART3_BASE    )
+#define LPC_PWM1              ((LPC_PWM_TypeDef       *) LPC_PWM1_BASE     )
+#define LPC_I2C0              ((LPC_I2C_TypeDef       *) LPC_I2C0_BASE     )
+#define LPC_I2C1              ((LPC_I2C_TypeDef       *) LPC_I2C1_BASE     )
+#define LPC_I2C2              ((LPC_I2C_TypeDef       *) LPC_I2C2_BASE     )
+#define LPC_I2S               ((LPC_I2S_TypeDef       *) LPC_I2S_BASE      )
+#define LPC_SPI               ((LPC_SPI_TypeDef       *) LPC_SPI_BASE      )
+#define LPC_RTC               ((LPC_RTC_TypeDef       *) LPC_RTC_BASE      )
+#define LPC_GPIOINT           ((LPC_GPIOINT_TypeDef   *) LPC_GPIOINT_BASE  )
+#define LPC_PINCON            ((LPC_PINCON_TypeDef    *) LPC_PINCON_BASE   )
+#define LPC_SSP0              ((LPC_SSP_TypeDef       *) LPC_SSP0_BASE     )
+#define LPC_SSP1              ((LPC_SSP_TypeDef       *) LPC_SSP1_BASE     )
+#define LPC_ADC               ((LPC_ADC_TypeDef       *) LPC_ADC_BASE      )
+#define LPC_DAC               ((LPC_DAC_TypeDef       *) LPC_DAC_BASE      )
+#define LPC_CANAF_RAM         ((LPC_CANAF_RAM_TypeDef *) LPC_CANAF_RAM_BASE)
+#define LPC_CANAF             ((LPC_CANAF_TypeDef     *) LPC_CANAF_BASE    )
+#define LPC_CANCR             ((LPC_CANCR_TypeDef     *) LPC_CANCR_BASE    )
+#define LPC_CAN1              ((LPC_CAN_TypeDef       *) LPC_CAN1_BASE     )
+#define LPC_CAN2              ((LPC_CAN_TypeDef       *) LPC_CAN2_BASE     )
+#define LPC_MCPWM             ((LPC_MCPWM_TypeDef     *) LPC_MCPWM_BASE    )
+#define LPC_QEI               ((LPC_QEI_TypeDef       *) LPC_QEI_BASE      )
+#define LPC_EMAC              ((LPC_EMAC_TypeDef      *) LPC_EMAC_BASE     )
+#define LPC_GPDMA             ((LPC_GPDMA_TypeDef     *) LPC_GPDMA_BASE    )
+#define LPC_GPDMACH0          ((LPC_GPDMACH_TypeDef   *) LPC_GPDMACH0_BASE )
+#define LPC_GPDMACH1          ((LPC_GPDMACH_TypeDef   *) LPC_GPDMACH1_BASE )
+#define LPC_GPDMACH2          ((LPC_GPDMACH_TypeDef   *) LPC_GPDMACH2_BASE )
+#define LPC_GPDMACH3          ((LPC_GPDMACH_TypeDef   *) LPC_GPDMACH3_BASE )
+#define LPC_GPDMACH4          ((LPC_GPDMACH_TypeDef   *) LPC_GPDMACH4_BASE )
+#define LPC_GPDMACH5          ((LPC_GPDMACH_TypeDef   *) LPC_GPDMACH5_BASE )
+#define LPC_GPDMACH6          ((LPC_GPDMACH_TypeDef   *) LPC_GPDMACH6_BASE )
+#define LPC_GPDMACH7          ((LPC_GPDMACH_TypeDef   *) LPC_GPDMACH7_BASE )
+#define LPC_USB               ((LPC_USB_TypeDef       *) LPC_USB_BASE      )
+
+#endif  // __LPC17xx_H__
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/cmsis.h b/libraries/mbed/vendor/NXP/cmsis/LPC1768/cmsis.h
new file mode 100644
index 0000000000..2e51a087d1
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/cmsis.h
@@ -0,0 +1,13 @@
+/* mbed Microcontroller Library - CMSIS
+ * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
+ * 
+ * A generic CMSIS include header, pulling in LPC1768 specifics
+ */
+
+#ifndef MBED_CMSIS_H
+#define MBED_CMSIS_H
+
+#include "LPC17xx.h"
+#include "cmsis_nvic.h"
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/cmsis_nvic.c b/libraries/mbed/vendor/NXP/cmsis/LPC1768/cmsis_nvic.c
new file mode 100644
index 0000000000..4ec9f0a6e9
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/cmsis_nvic.c
@@ -0,0 +1,30 @@
+/* mbed Microcontroller Library - cmsis_nvic for LCP1768
+ * Copyright (c) 2009-2011 ARM Limited. All rights reserved.
+ *
+ * CMSIS-style functionality to support dynamic vectors
+ */ 
+#include "cmsis_nvic.h"
+
+#define NVIC_NUM_VECTORS          (16 + 33)     // CORE + MCU Peripherals
+#define NVIC_RAM_VECTOR_ADDRESS   (0x10000000)  // Location of vectors in RAM
+
+void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
+    static volatile uint32_t* vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS;
+    int i;
+    // Copy and switch to dynamic vectors if first time called
+    if (SCB->VTOR != NVIC_RAM_VECTOR_ADDRESS) {
+        uint32_t *old_vectors = (uint32_t*)SCB->VTOR;
+        for (i=0; iVTOR = (uint32_t)vectors;
+    }
+    
+    vectors[IRQn + 16] = vector;
+}
+
+uint32_t NVIC_GetVector(IRQn_Type IRQn) {
+    uint32_t *vectors = (uint32_t*)SCB->VTOR;
+    return vectors[IRQn + 16];
+}
+
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/cmsis_nvic.h b/libraries/mbed/vendor/NXP/cmsis/LPC1768/cmsis_nvic.h
new file mode 100644
index 0000000000..299d3879be
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/cmsis_nvic.h
@@ -0,0 +1,23 @@
+/* mbed Microcontroller Library - cmsis_nvic
+ * Copyright (c) 2009-2011 ARM Limited. All rights reserved.
+ *
+ * CMSIS-style functionality to support dynamic vectors
+ */ 
+
+#ifndef MBED_CMSIS_NVIC_H
+#define MBED_CMSIS_NVIC_H
+
+#include "cmsis.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector);
+uint32_t NVIC_GetVector(IRQn_Type IRQn);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/core_cm3.c b/libraries/mbed/vendor/NXP/cmsis/LPC1768/core_cm3.c
new file mode 100644
index 0000000000..aae4dd8581
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/core_cm3.c
@@ -0,0 +1,339 @@
+/**************************************************************************//**
+ * @file     core_cm3.c
+ * @brief    CMSIS Cortex-M3 Core Peripheral Access Layer Source File
+ * @version  V2.02
+ * @date     24. March 2011
+ *
+ * @note
+ * Copyright (C) 2009-2010 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M 
+ * processor based microcontrollers.  This file can be freely distributed 
+ * within development tools that are supporting such ARM based processors. 
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+#include 
+
+/* define compiler specific symbols */
+#if defined ( __CC_ARM   )
+  #define __ASM            __asm                                      /*!< asm keyword for ARM Compiler          */
+  #define __INLINE         __inline                                   /*!< inline keyword for ARM Compiler       */
+
+#elif defined ( __ICCARM__ )
+  #define __ASM           __asm                                       /*!< asm keyword for IAR Compiler          */
+  #define __INLINE        inline                                      /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */
+
+#elif defined   (  __GNUC__  )
+  #define __ASM            __asm                                      /*!< asm keyword for GNU Compiler          */
+  #define __INLINE         inline                                     /*!< inline keyword for GNU Compiler       */
+
+#elif defined   (  __TASKING__  )
+  #define __ASM            __asm                                      /*!< asm keyword for TASKING Compiler      */
+  #define __INLINE         inline                                     /*!< inline keyword for TASKING Compiler   */
+
+#endif
+
+
+/* ##########################  Core Instruction Access  ######################### */
+
+#if defined ( __CC_ARM   ) /*------------------ RealView Compiler ----------------*/
+
+/** \brief  Reverse byte order (16 bit)
+
+    This function reverses the byte order in two unsigned short values.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+#if (__ARMCC_VERSION < 400677)
+__ASM uint32_t __REV16(uint32_t value)
+{
+  rev16 r0, r0
+  bx lr
+}
+#endif /* __ARMCC_VERSION  */ 
+
+
+/** \brief  Reverse byte order in signed short value
+
+    This function reverses the byte order in a signed short value with sign extension to integer.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+#if (__ARMCC_VERSION < 400677)
+__ASM int32_t __REVSH(int32_t value)
+{
+  revsh r0, r0
+  bx lr
+}
+#endif /* __ARMCC_VERSION  */ 
+
+
+/** \brief  Remove the exclusive lock
+
+    This function removes the exclusive lock which is created by LDREX.
+
+ */
+#if (__ARMCC_VERSION < 400000)
+__ASM void __CLREX(void)
+{
+  clrex
+}
+#endif /* __ARMCC_VERSION  */ 
+
+
+#elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/
+/* obsolete */
+#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
+/* obsolete */
+#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/
+/* obsolete */
+#endif
+
+
+/* ###########################  Core Function Access  ########################### */
+
+#if defined ( __CC_ARM   ) /*------------------ RealView Compiler ----------------*/
+
+/** \brief  Get Control Register
+
+    This function returns the content of the Control Register.
+
+    \return               Control Register value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t __get_CONTROL(void)
+{
+  mrs r0, control
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Set Control Register
+
+    This function writes the given value to the Control Register.
+
+    \param [in]    control  Control Register value to set
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM void __set_CONTROL(uint32_t control)
+{
+  msr control, r0
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Get ISPR Register
+
+    This function returns the content of the ISPR Register.
+
+    \return               ISPR Register value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t __get_IPSR(void)
+{
+  mrs r0, ipsr
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Get APSR Register
+
+    This function returns the content of the APSR Register.
+
+    \return               APSR Register value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t __get_APSR(void)
+{
+  mrs r0, apsr
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Get xPSR Register
+
+    This function returns the content of the xPSR Register.
+
+    \return               xPSR Register value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t __get_xPSR(void)
+{
+  mrs r0, xpsr
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Get Process Stack Pointer
+
+    This function returns the current value of the Process Stack Pointer (PSP).
+
+    \return               PSP Register value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t __get_PSP(void)
+{
+  mrs r0, psp
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Set Process Stack Pointer
+
+    This function assigns the given value to the Process Stack Pointer (PSP).
+
+    \param [in]    topOfProcStack  Process Stack Pointer value to set
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM void __set_PSP(uint32_t topOfProcStack)
+{
+  msr psp, r0
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Get Main Stack Pointer
+
+    This function returns the current value of the Main Stack Pointer (MSP).
+
+    \return               MSP Register value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t __get_MSP(void)
+{
+  mrs r0, msp
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Set Main Stack Pointer
+
+    This function assigns the given value to the Main Stack Pointer (MSP).
+
+    \param [in]    topOfMainStack  Main Stack Pointer value to set
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM void __set_MSP(uint32_t mainStackPointer)
+{
+  msr msp, r0
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Get Base Priority
+
+    This function returns the current value of the Base Priority register.
+
+    \return               Base Priority register value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t  __get_BASEPRI(void)
+{
+  mrs r0, basepri
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Set Base Priority
+
+    This function assigns the given value to the Base Priority register.
+
+    \param [in]    basePri  Base Priority value to set
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM void __set_BASEPRI(uint32_t basePri)
+{
+  msr basepri, r0
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+ 
+/** \brief  Get Priority Mask
+
+    This function returns the current state of the priority mask bit from the Priority Mask Register.
+
+    \return               Priority Mask value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t __get_PRIMASK(void)
+{
+  mrs r0, primask
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Set Priority Mask
+
+    This function assigns the given value to the Priority Mask Register.
+
+    \param [in]    priMask  Priority Mask
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM void __set_PRIMASK(uint32_t priMask)
+{
+  msr primask, r0
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+ 
+
+/** \brief  Get Fault Mask
+
+    This function returns the current value of the Fault Mask Register.
+
+    \return               Fault Mask value
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM uint32_t  __get_FAULTMASK(void)
+{
+  mrs r0, faultmask
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+/** \brief  Set the Fault Mask
+
+     This function assigns the given value to the Fault Mask Register.
+
+    \param [in]    faultMask  Fault Mask value value to set
+ */
+#if       (__ARMCC_VERSION <  400000)
+__ASM void __set_FAULTMASK(uint32_t faultMask)
+{
+  msr faultmask, r0
+  bx lr
+}
+#endif /*  __ARMCC_VERSION  */ 
+
+
+
+#elif (defined (__ICCARM__)) /*---------------- ICC Compiler ---------------------*/
+/* obsolete */
+#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
+/* obsolete */
+#elif (defined (__TASKING__)) /*--------------- TASKING Compiler -----------------*/
+/* obsolete */
+#endif
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/core_cm3.h b/libraries/mbed/vendor/NXP/cmsis/LPC1768/core_cm3.h
new file mode 100644
index 0000000000..907ab78939
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/core_cm3.h
@@ -0,0 +1,1612 @@
+/**************************************************************************//**
+ * @file     core_cm3.h
+ * @brief    CMSIS Cortex-M3 Core Peripheral Access Layer Header File
+ * @version  V3.02
+ * @date     16. July 2012
+ *
+ * @note
+ * Copyright (C) 2009-2012 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M
+ * processor based microcontrollers.  This file can be freely distributed
+ * within development tools that are supporting such ARM based processors.
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+#if defined ( __ICCARM__ )
+ #pragma system_include  /* treat file as system include file for MISRA check */
+#endif
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#ifndef __CORE_CM3_H_GENERIC
+#define __CORE_CM3_H_GENERIC
+
+/** \page CMSIS_MISRA_Exceptions  MISRA-C:2004 Compliance Exceptions
+  CMSIS violates the following MISRA-C:2004 rules:
+
+   \li Required Rule 8.5, object/function definition in header file.

+     Function definitions in header files are used to allow 'inlining'.
+
+   \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.

+     Unions are used for effective representation of core registers.
+
+   \li Advisory Rule 19.7, Function-like macro defined.

+     Function-like macros are used to allow more efficient code.
+ */
+
+
+/*******************************************************************************
+ *                 CMSIS definitions
+ ******************************************************************************/
+/** \ingroup Cortex_M3
+  @{
+ */
+
+/*  CMSIS CM3 definitions */
+#define __CM3_CMSIS_VERSION_MAIN  (0x03)                                   /*!< [31:16] CMSIS HAL main version   */
+#define __CM3_CMSIS_VERSION_SUB   (0x01)                                   /*!< [15:0]  CMSIS HAL sub version    */
+#define __CM3_CMSIS_VERSION       ((__CM3_CMSIS_VERSION_MAIN << 16) | \
+                                    __CM3_CMSIS_VERSION_SUB          )     /*!< CMSIS HAL version number         */
+
+#define __CORTEX_M                (0x03)                                   /*!< Cortex-M Core                    */
+
+
+#if   defined ( __CC_ARM )
+  #define __ASM            __asm                                      /*!< asm keyword for ARM Compiler          */
+  #define __INLINE         __inline                                   /*!< inline keyword for ARM Compiler       */
+  #define __STATIC_INLINE  static __inline
+
+#elif defined ( __ICCARM__ )
+  #define __ASM            __asm                                      /*!< asm keyword for IAR Compiler          */
+  #define __INLINE         inline                                     /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */
+  #define __STATIC_INLINE  static inline
+
+#elif defined ( __TMS470__ )
+  #define __ASM            __asm                                      /*!< asm keyword for TI CCS Compiler       */
+  #define __STATIC_INLINE  static inline
+
+#elif defined ( __GNUC__ )
+  #define __ASM            __asm                                      /*!< asm keyword for GNU Compiler          */
+  #define __INLINE         inline                                     /*!< inline keyword for GNU Compiler       */
+  #define __STATIC_INLINE  static inline
+
+#elif defined ( __TASKING__ )
+  #define __ASM            __asm                                      /*!< asm keyword for TASKING Compiler      */
+  #define __INLINE         inline                                     /*!< inline keyword for TASKING Compiler   */
+  #define __STATIC_INLINE  static inline
+
+#endif
+
+/** __FPU_USED indicates whether an FPU is used or not. This core does not support an FPU at all
+*/
+#define __FPU_USED       0
+
+#if defined ( __CC_ARM )
+  #if defined __TARGET_FPU_VFP
+    #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+  #endif
+
+#elif defined ( __ICCARM__ )
+  #if defined __ARMVFP__
+    #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+  #endif
+
+#elif defined ( __TMS470__ )
+  #if defined __TI__VFP_SUPPORT____
+    #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+  #endif
+
+#elif defined ( __GNUC__ )
+  #if defined (__VFP_FP__) && !defined(__SOFTFP__)
+    #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+  #endif
+
+#elif defined ( __TASKING__ )
+  #if defined __FPU_VFP__
+    #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
+  #endif
+#endif
+
+#include                       /* standard types definitions                      */
+#include                 /* Core Instruction Access                         */
+#include                  /* Core Function Access                            */
+
+#endif /* __CORE_CM3_H_GENERIC */
+
+#ifndef __CMSIS_GENERIC
+
+#ifndef __CORE_CM3_H_DEPENDANT
+#define __CORE_CM3_H_DEPENDANT
+
+/* check device defines and use defaults */
+#if defined __CHECK_DEVICE_DEFINES
+  #ifndef __CM3_REV
+    #define __CM3_REV               0x0200
+    #warning "__CM3_REV not defined in device header file; using default!"
+  #endif
+
+  #ifndef __MPU_PRESENT
+    #define __MPU_PRESENT             0
+    #warning "__MPU_PRESENT not defined in device header file; using default!"
+  #endif
+
+  #ifndef __NVIC_PRIO_BITS
+    #define __NVIC_PRIO_BITS          4
+    #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
+  #endif
+
+  #ifndef __Vendor_SysTickConfig
+    #define __Vendor_SysTickConfig    0
+    #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
+  #endif
+#endif
+
+/* IO definitions (access restrictions to peripheral registers) */
+/**
+    \defgroup CMSIS_glob_defs CMSIS Global Defines
+
+    IO Type Qualifiers are used
+    \li to specify the access to peripheral variables.
+    \li for automatic generation of peripheral register debug information.
+*/
+#ifdef __cplusplus
+  #define   __I     volatile             /*!< Defines 'read only' permissions                 */
+#else
+  #define   __I     volatile const       /*!< Defines 'read only' permissions                 */
+#endif
+#define     __O     volatile             /*!< Defines 'write only' permissions                */
+#define     __IO    volatile             /*!< Defines 'read / write' permissions              */
+
+/*@} end of group Cortex_M3 */
+
+
+
+/*******************************************************************************
+ *                 Register Abstraction
+  Core Register contain:
+  - Core Register
+  - Core NVIC Register
+  - Core SCB Register
+  - Core SysTick Register
+  - Core Debug Register
+  - Core MPU Register
+ ******************************************************************************/
+/** \defgroup CMSIS_core_register Defines and Type Definitions
+    \brief Type definitions and defines for Cortex-M processor based devices.
+*/
+
+/** \ingroup    CMSIS_core_register
+    \defgroup   CMSIS_CORE  Status and Control Registers
+    \brief  Core Register type definitions.
+  @{
+ */
+
+/** \brief  Union type to access the Application Program Status Register (APSR).
+ */
+typedef union
+{
+  struct
+  {
+#if (__CORTEX_M != 0x04)
+    uint32_t _reserved0:27;              /*!< bit:  0..26  Reserved                           */
+#else
+    uint32_t _reserved0:16;              /*!< bit:  0..15  Reserved                           */
+    uint32_t GE:4;                       /*!< bit: 16..19  Greater than or Equal flags        */
+    uint32_t _reserved1:7;               /*!< bit: 20..26  Reserved                           */
+#endif
+    uint32_t Q:1;                        /*!< bit:     27  Saturation condition flag          */
+    uint32_t V:1;                        /*!< bit:     28  Overflow condition code flag       */
+    uint32_t C:1;                        /*!< bit:     29  Carry condition code flag          */
+    uint32_t Z:1;                        /*!< bit:     30  Zero condition code flag           */
+    uint32_t N:1;                        /*!< bit:     31  Negative condition code flag       */
+  } b;                                   /*!< Structure used for bit  access                  */
+  uint32_t w;                            /*!< Type      used for word access                  */
+} APSR_Type;
+
+
+/** \brief  Union type to access the Interrupt Program Status Register (IPSR).
+ */
+typedef union
+{
+  struct
+  {
+    uint32_t ISR:9;                      /*!< bit:  0.. 8  Exception number                   */
+    uint32_t _reserved0:23;              /*!< bit:  9..31  Reserved                           */
+  } b;                                   /*!< Structure used for bit  access                  */
+  uint32_t w;                            /*!< Type      used for word access                  */
+} IPSR_Type;
+
+
+/** \brief  Union type to access the Special-Purpose Program Status Registers (xPSR).
+ */
+typedef union
+{
+  struct
+  {
+    uint32_t ISR:9;                      /*!< bit:  0.. 8  Exception number                   */
+#if (__CORTEX_M != 0x04)
+    uint32_t _reserved0:15;              /*!< bit:  9..23  Reserved                           */
+#else
+    uint32_t _reserved0:7;               /*!< bit:  9..15  Reserved                           */
+    uint32_t GE:4;                       /*!< bit: 16..19  Greater than or Equal flags        */
+    uint32_t _reserved1:4;               /*!< bit: 20..23  Reserved                           */
+#endif
+    uint32_t T:1;                        /*!< bit:     24  Thumb bit        (read 0)          */
+    uint32_t IT:2;                       /*!< bit: 25..26  saved IT state   (read 0)          */
+    uint32_t Q:1;                        /*!< bit:     27  Saturation condition flag          */
+    uint32_t V:1;                        /*!< bit:     28  Overflow condition code flag       */
+    uint32_t C:1;                        /*!< bit:     29  Carry condition code flag          */
+    uint32_t Z:1;                        /*!< bit:     30  Zero condition code flag           */
+    uint32_t N:1;                        /*!< bit:     31  Negative condition code flag       */
+  } b;                                   /*!< Structure used for bit  access                  */
+  uint32_t w;                            /*!< Type      used for word access                  */
+} xPSR_Type;
+
+
+/** \brief  Union type to access the Control Registers (CONTROL).
+ */
+typedef union
+{
+  struct
+  {
+    uint32_t nPRIV:1;                    /*!< bit:      0  Execution privilege in Thread mode */
+    uint32_t SPSEL:1;                    /*!< bit:      1  Stack to be used                   */
+    uint32_t FPCA:1;                     /*!< bit:      2  FP extension active flag           */
+    uint32_t _reserved0:29;              /*!< bit:  3..31  Reserved                           */
+  } b;                                   /*!< Structure used for bit  access                  */
+  uint32_t w;                            /*!< Type      used for word access                  */
+} CONTROL_Type;
+
+/*@} end of group CMSIS_CORE */
+
+
+/** \ingroup    CMSIS_core_register
+    \defgroup   CMSIS_NVIC  Nested Vectored Interrupt Controller (NVIC)
+    \brief      Type definitions for the NVIC Registers
+  @{
+ */
+
+/** \brief  Structure type to access the Nested Vectored Interrupt Controller (NVIC).
+ */
+typedef struct
+{
+  __IO uint32_t ISER[8];                 /*!< Offset: 0x000 (R/W)  Interrupt Set Enable Register           */
+       uint32_t RESERVED0[24];
+  __IO uint32_t ICER[8];                 /*!< Offset: 0x080 (R/W)  Interrupt Clear Enable Register         */
+       uint32_t RSERVED1[24];
+  __IO uint32_t ISPR[8];                 /*!< Offset: 0x100 (R/W)  Interrupt Set Pending Register          */
+       uint32_t RESERVED2[24];
+  __IO uint32_t ICPR[8];                 /*!< Offset: 0x180 (R/W)  Interrupt Clear Pending Register        */
+       uint32_t RESERVED3[24];
+  __IO uint32_t IABR[8];                 /*!< Offset: 0x200 (R/W)  Interrupt Active bit Register           */
+       uint32_t RESERVED4[56];
+  __IO uint8_t  IP[240];                 /*!< Offset: 0x300 (R/W)  Interrupt Priority Register (8Bit wide) */
+       uint32_t RESERVED5[644];
+  __O  uint32_t STIR;                    /*!< Offset: 0xE00 ( /W)  Software Trigger Interrupt Register     */
+}  NVIC_Type;
+
+/* Software Triggered Interrupt Register Definitions */
+#define NVIC_STIR_INTID_Pos                 0                                          /*!< STIR: INTLINESNUM Position */
+#define NVIC_STIR_INTID_Msk                (0x1FFUL << NVIC_STIR_INTID_Pos)            /*!< STIR: INTLINESNUM Mask */
+
+/*@} end of group CMSIS_NVIC */
+
+
+/** \ingroup  CMSIS_core_register
+    \defgroup CMSIS_SCB     System Control Block (SCB)
+    \brief      Type definitions for the System Control Block Registers
+  @{
+ */
+
+/** \brief  Structure type to access the System Control Block (SCB).
+ */
+typedef struct
+{
+  __I  uint32_t CPUID;                   /*!< Offset: 0x000 (R/ )  CPUID Base Register                                   */
+  __IO uint32_t ICSR;                    /*!< Offset: 0x004 (R/W)  Interrupt Control and State Register                  */
+  __IO uint32_t VTOR;                    /*!< Offset: 0x008 (R/W)  Vector Table Offset Register                          */
+  __IO uint32_t AIRCR;                   /*!< Offset: 0x00C (R/W)  Application Interrupt and Reset Control Register      */
+  __IO uint32_t SCR;                     /*!< Offset: 0x010 (R/W)  System Control Register                               */
+  __IO uint32_t CCR;                     /*!< Offset: 0x014 (R/W)  Configuration Control Register                        */
+  __IO uint8_t  SHP[12];                 /*!< Offset: 0x018 (R/W)  System Handlers Priority Registers (4-7, 8-11, 12-15) */
+  __IO uint32_t SHCSR;                   /*!< Offset: 0x024 (R/W)  System Handler Control and State Register             */
+  __IO uint32_t CFSR;                    /*!< Offset: 0x028 (R/W)  Configurable Fault Status Register                    */
+  __IO uint32_t HFSR;                    /*!< Offset: 0x02C (R/W)  HardFault Status Register                             */
+  __IO uint32_t DFSR;                    /*!< Offset: 0x030 (R/W)  Debug Fault Status Register                           */
+  __IO uint32_t MMFAR;                   /*!< Offset: 0x034 (R/W)  MemManage Fault Address Register                      */
+  __IO uint32_t BFAR;                    /*!< Offset: 0x038 (R/W)  BusFault Address Register                             */
+  __IO uint32_t AFSR;                    /*!< Offset: 0x03C (R/W)  Auxiliary Fault Status Register                       */
+  __I  uint32_t PFR[2];                  /*!< Offset: 0x040 (R/ )  Processor Feature Register                            */
+  __I  uint32_t DFR;                     /*!< Offset: 0x048 (R/ )  Debug Feature Register                                */
+  __I  uint32_t ADR;                     /*!< Offset: 0x04C (R/ )  Auxiliary Feature Register                            */
+  __I  uint32_t MMFR[4];                 /*!< Offset: 0x050 (R/ )  Memory Model Feature Register                         */
+  __I  uint32_t ISAR[5];                 /*!< Offset: 0x060 (R/ )  Instruction Set Attributes Register                   */
+       uint32_t RESERVED0[5];
+  __IO uint32_t CPACR;                   /*!< Offset: 0x088 (R/W)  Coprocessor Access Control Register                   */
+} SCB_Type;
+
+/* SCB CPUID Register Definitions */
+#define SCB_CPUID_IMPLEMENTER_Pos          24                                             /*!< SCB CPUID: IMPLEMENTER Position */
+#define SCB_CPUID_IMPLEMENTER_Msk          (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos)          /*!< SCB CPUID: IMPLEMENTER Mask */
+
+#define SCB_CPUID_VARIANT_Pos              20                                             /*!< SCB CPUID: VARIANT Position */
+#define SCB_CPUID_VARIANT_Msk              (0xFUL << SCB_CPUID_VARIANT_Pos)               /*!< SCB CPUID: VARIANT Mask */
+
+#define SCB_CPUID_ARCHITECTURE_Pos         16                                             /*!< SCB CPUID: ARCHITECTURE Position */
+#define SCB_CPUID_ARCHITECTURE_Msk         (0xFUL << SCB_CPUID_ARCHITECTURE_Pos)          /*!< SCB CPUID: ARCHITECTURE Mask */
+
+#define SCB_CPUID_PARTNO_Pos                4                                             /*!< SCB CPUID: PARTNO Position */
+#define SCB_CPUID_PARTNO_Msk               (0xFFFUL << SCB_CPUID_PARTNO_Pos)              /*!< SCB CPUID: PARTNO Mask */
+
+#define SCB_CPUID_REVISION_Pos              0                                             /*!< SCB CPUID: REVISION Position */
+#define SCB_CPUID_REVISION_Msk             (0xFUL << SCB_CPUID_REVISION_Pos)              /*!< SCB CPUID: REVISION Mask */
+
+/* SCB Interrupt Control State Register Definitions */
+#define SCB_ICSR_NMIPENDSET_Pos            31                                             /*!< SCB ICSR: NMIPENDSET Position */
+#define SCB_ICSR_NMIPENDSET_Msk            (1UL << SCB_ICSR_NMIPENDSET_Pos)               /*!< SCB ICSR: NMIPENDSET Mask */
+
+#define SCB_ICSR_PENDSVSET_Pos             28                                             /*!< SCB ICSR: PENDSVSET Position */
+#define SCB_ICSR_PENDSVSET_Msk             (1UL << SCB_ICSR_PENDSVSET_Pos)                /*!< SCB ICSR: PENDSVSET Mask */
+
+#define SCB_ICSR_PENDSVCLR_Pos             27                                             /*!< SCB ICSR: PENDSVCLR Position */
+#define SCB_ICSR_PENDSVCLR_Msk             (1UL << SCB_ICSR_PENDSVCLR_Pos)                /*!< SCB ICSR: PENDSVCLR Mask */
+
+#define SCB_ICSR_PENDSTSET_Pos             26                                             /*!< SCB ICSR: PENDSTSET Position */
+#define SCB_ICSR_PENDSTSET_Msk             (1UL << SCB_ICSR_PENDSTSET_Pos)                /*!< SCB ICSR: PENDSTSET Mask */
+
+#define SCB_ICSR_PENDSTCLR_Pos             25                                             /*!< SCB ICSR: PENDSTCLR Position */
+#define SCB_ICSR_PENDSTCLR_Msk             (1UL << SCB_ICSR_PENDSTCLR_Pos)                /*!< SCB ICSR: PENDSTCLR Mask */
+
+#define SCB_ICSR_ISRPREEMPT_Pos            23                                             /*!< SCB ICSR: ISRPREEMPT Position */
+#define SCB_ICSR_ISRPREEMPT_Msk            (1UL << SCB_ICSR_ISRPREEMPT_Pos)               /*!< SCB ICSR: ISRPREEMPT Mask */
+
+#define SCB_ICSR_ISRPENDING_Pos            22                                             /*!< SCB ICSR: ISRPENDING Position */
+#define SCB_ICSR_ISRPENDING_Msk            (1UL << SCB_ICSR_ISRPENDING_Pos)               /*!< SCB ICSR: ISRPENDING Mask */
+
+#define SCB_ICSR_VECTPENDING_Pos           12                                             /*!< SCB ICSR: VECTPENDING Position */
+#define SCB_ICSR_VECTPENDING_Msk           (0x1FFUL << SCB_ICSR_VECTPENDING_Pos)          /*!< SCB ICSR: VECTPENDING Mask */
+
+#define SCB_ICSR_RETTOBASE_Pos             11                                             /*!< SCB ICSR: RETTOBASE Position */
+#define SCB_ICSR_RETTOBASE_Msk             (1UL << SCB_ICSR_RETTOBASE_Pos)                /*!< SCB ICSR: RETTOBASE Mask */
+
+#define SCB_ICSR_VECTACTIVE_Pos             0                                             /*!< SCB ICSR: VECTACTIVE Position */
+#define SCB_ICSR_VECTACTIVE_Msk            (0x1FFUL << SCB_ICSR_VECTACTIVE_Pos)           /*!< SCB ICSR: VECTACTIVE Mask */
+
+/* SCB Vector Table Offset Register Definitions */
+#if (__CM3_REV < 0x0201)                   /* core r2p1 */
+#define SCB_VTOR_TBLBASE_Pos               29                                             /*!< SCB VTOR: TBLBASE Position */
+#define SCB_VTOR_TBLBASE_Msk               (1UL << SCB_VTOR_TBLBASE_Pos)                  /*!< SCB VTOR: TBLBASE Mask */
+
+#define SCB_VTOR_TBLOFF_Pos                 7                                             /*!< SCB VTOR: TBLOFF Position */
+#define SCB_VTOR_TBLOFF_Msk                (0x3FFFFFUL << SCB_VTOR_TBLOFF_Pos)            /*!< SCB VTOR: TBLOFF Mask */
+#else
+#define SCB_VTOR_TBLOFF_Pos                 7                                             /*!< SCB VTOR: TBLOFF Position */
+#define SCB_VTOR_TBLOFF_Msk                (0x1FFFFFFUL << SCB_VTOR_TBLOFF_Pos)           /*!< SCB VTOR: TBLOFF Mask */
+#endif
+
+/* SCB Application Interrupt and Reset Control Register Definitions */
+#define SCB_AIRCR_VECTKEY_Pos              16                                             /*!< SCB AIRCR: VECTKEY Position */
+#define SCB_AIRCR_VECTKEY_Msk              (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos)            /*!< SCB AIRCR: VECTKEY Mask */
+
+#define SCB_AIRCR_VECTKEYSTAT_Pos          16                                             /*!< SCB AIRCR: VECTKEYSTAT Position */
+#define SCB_AIRCR_VECTKEYSTAT_Msk          (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos)        /*!< SCB AIRCR: VECTKEYSTAT Mask */
+
+#define SCB_AIRCR_ENDIANESS_Pos            15                                             /*!< SCB AIRCR: ENDIANESS Position */
+#define SCB_AIRCR_ENDIANESS_Msk            (1UL << SCB_AIRCR_ENDIANESS_Pos)               /*!< SCB AIRCR: ENDIANESS Mask */
+
+#define SCB_AIRCR_PRIGROUP_Pos              8                                             /*!< SCB AIRCR: PRIGROUP Position */
+#define SCB_AIRCR_PRIGROUP_Msk             (7UL << SCB_AIRCR_PRIGROUP_Pos)                /*!< SCB AIRCR: PRIGROUP Mask */
+
+#define SCB_AIRCR_SYSRESETREQ_Pos           2                                             /*!< SCB AIRCR: SYSRESETREQ Position */
+#define SCB_AIRCR_SYSRESETREQ_Msk          (1UL << SCB_AIRCR_SYSRESETREQ_Pos)             /*!< SCB AIRCR: SYSRESETREQ Mask */
+
+#define SCB_AIRCR_VECTCLRACTIVE_Pos         1                                             /*!< SCB AIRCR: VECTCLRACTIVE Position */
+#define SCB_AIRCR_VECTCLRACTIVE_Msk        (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos)           /*!< SCB AIRCR: VECTCLRACTIVE Mask */
+
+#define SCB_AIRCR_VECTRESET_Pos             0                                             /*!< SCB AIRCR: VECTRESET Position */
+#define SCB_AIRCR_VECTRESET_Msk            (1UL << SCB_AIRCR_VECTRESET_Pos)               /*!< SCB AIRCR: VECTRESET Mask */
+
+/* SCB System Control Register Definitions */
+#define SCB_SCR_SEVONPEND_Pos               4                                             /*!< SCB SCR: SEVONPEND Position */
+#define SCB_SCR_SEVONPEND_Msk              (1UL << SCB_SCR_SEVONPEND_Pos)                 /*!< SCB SCR: SEVONPEND Mask */
+
+#define SCB_SCR_SLEEPDEEP_Pos               2                                             /*!< SCB SCR: SLEEPDEEP Position */
+#define SCB_SCR_SLEEPDEEP_Msk              (1UL << SCB_SCR_SLEEPDEEP_Pos)                 /*!< SCB SCR: SLEEPDEEP Mask */
+
+#define SCB_SCR_SLEEPONEXIT_Pos             1                                             /*!< SCB SCR: SLEEPONEXIT Position */
+#define SCB_SCR_SLEEPONEXIT_Msk            (1UL << SCB_SCR_SLEEPONEXIT_Pos)               /*!< SCB SCR: SLEEPONEXIT Mask */
+
+/* SCB Configuration Control Register Definitions */
+#define SCB_CCR_STKALIGN_Pos                9                                             /*!< SCB CCR: STKALIGN Position */
+#define SCB_CCR_STKALIGN_Msk               (1UL << SCB_CCR_STKALIGN_Pos)                  /*!< SCB CCR: STKALIGN Mask */
+
+#define SCB_CCR_BFHFNMIGN_Pos               8                                             /*!< SCB CCR: BFHFNMIGN Position */
+#define SCB_CCR_BFHFNMIGN_Msk              (1UL << SCB_CCR_BFHFNMIGN_Pos)                 /*!< SCB CCR: BFHFNMIGN Mask */
+
+#define SCB_CCR_DIV_0_TRP_Pos               4                                             /*!< SCB CCR: DIV_0_TRP Position */
+#define SCB_CCR_DIV_0_TRP_Msk              (1UL << SCB_CCR_DIV_0_TRP_Pos)                 /*!< SCB CCR: DIV_0_TRP Mask */
+
+#define SCB_CCR_UNALIGN_TRP_Pos             3                                             /*!< SCB CCR: UNALIGN_TRP Position */
+#define SCB_CCR_UNALIGN_TRP_Msk            (1UL << SCB_CCR_UNALIGN_TRP_Pos)               /*!< SCB CCR: UNALIGN_TRP Mask */
+
+#define SCB_CCR_USERSETMPEND_Pos            1                                             /*!< SCB CCR: USERSETMPEND Position */
+#define SCB_CCR_USERSETMPEND_Msk           (1UL << SCB_CCR_USERSETMPEND_Pos)              /*!< SCB CCR: USERSETMPEND Mask */
+
+#define SCB_CCR_NONBASETHRDENA_Pos          0                                             /*!< SCB CCR: NONBASETHRDENA Position */
+#define SCB_CCR_NONBASETHRDENA_Msk         (1UL << SCB_CCR_NONBASETHRDENA_Pos)            /*!< SCB CCR: NONBASETHRDENA Mask */
+
+/* SCB System Handler Control and State Register Definitions */
+#define SCB_SHCSR_USGFAULTENA_Pos          18                                             /*!< SCB SHCSR: USGFAULTENA Position */
+#define SCB_SHCSR_USGFAULTENA_Msk          (1UL << SCB_SHCSR_USGFAULTENA_Pos)             /*!< SCB SHCSR: USGFAULTENA Mask */
+
+#define SCB_SHCSR_BUSFAULTENA_Pos          17                                             /*!< SCB SHCSR: BUSFAULTENA Position */
+#define SCB_SHCSR_BUSFAULTENA_Msk          (1UL << SCB_SHCSR_BUSFAULTENA_Pos)             /*!< SCB SHCSR: BUSFAULTENA Mask */
+
+#define SCB_SHCSR_MEMFAULTENA_Pos          16                                             /*!< SCB SHCSR: MEMFAULTENA Position */
+#define SCB_SHCSR_MEMFAULTENA_Msk          (1UL << SCB_SHCSR_MEMFAULTENA_Pos)             /*!< SCB SHCSR: MEMFAULTENA Mask */
+
+#define SCB_SHCSR_SVCALLPENDED_Pos         15                                             /*!< SCB SHCSR: SVCALLPENDED Position */
+#define SCB_SHCSR_SVCALLPENDED_Msk         (1UL << SCB_SHCSR_SVCALLPENDED_Pos)            /*!< SCB SHCSR: SVCALLPENDED Mask */
+
+#define SCB_SHCSR_BUSFAULTPENDED_Pos       14                                             /*!< SCB SHCSR: BUSFAULTPENDED Position */
+#define SCB_SHCSR_BUSFAULTPENDED_Msk       (1UL << SCB_SHCSR_BUSFAULTPENDED_Pos)          /*!< SCB SHCSR: BUSFAULTPENDED Mask */
+
+#define SCB_SHCSR_MEMFAULTPENDED_Pos       13                                             /*!< SCB SHCSR: MEMFAULTPENDED Position */
+#define SCB_SHCSR_MEMFAULTPENDED_Msk       (1UL << SCB_SHCSR_MEMFAULTPENDED_Pos)          /*!< SCB SHCSR: MEMFAULTPENDED Mask */
+
+#define SCB_SHCSR_USGFAULTPENDED_Pos       12                                             /*!< SCB SHCSR: USGFAULTPENDED Position */
+#define SCB_SHCSR_USGFAULTPENDED_Msk       (1UL << SCB_SHCSR_USGFAULTPENDED_Pos)          /*!< SCB SHCSR: USGFAULTPENDED Mask */
+
+#define SCB_SHCSR_SYSTICKACT_Pos           11                                             /*!< SCB SHCSR: SYSTICKACT Position */
+#define SCB_SHCSR_SYSTICKACT_Msk           (1UL << SCB_SHCSR_SYSTICKACT_Pos)              /*!< SCB SHCSR: SYSTICKACT Mask */
+
+#define SCB_SHCSR_PENDSVACT_Pos            10                                             /*!< SCB SHCSR: PENDSVACT Position */
+#define SCB_SHCSR_PENDSVACT_Msk            (1UL << SCB_SHCSR_PENDSVACT_Pos)               /*!< SCB SHCSR: PENDSVACT Mask */
+
+#define SCB_SHCSR_MONITORACT_Pos            8                                             /*!< SCB SHCSR: MONITORACT Position */
+#define SCB_SHCSR_MONITORACT_Msk           (1UL << SCB_SHCSR_MONITORACT_Pos)              /*!< SCB SHCSR: MONITORACT Mask */
+
+#define SCB_SHCSR_SVCALLACT_Pos             7                                             /*!< SCB SHCSR: SVCALLACT Position */
+#define SCB_SHCSR_SVCALLACT_Msk            (1UL << SCB_SHCSR_SVCALLACT_Pos)               /*!< SCB SHCSR: SVCALLACT Mask */
+
+#define SCB_SHCSR_USGFAULTACT_Pos           3                                             /*!< SCB SHCSR: USGFAULTACT Position */
+#define SCB_SHCSR_USGFAULTACT_Msk          (1UL << SCB_SHCSR_USGFAULTACT_Pos)             /*!< SCB SHCSR: USGFAULTACT Mask */
+
+#define SCB_SHCSR_BUSFAULTACT_Pos           1                                             /*!< SCB SHCSR: BUSFAULTACT Position */
+#define SCB_SHCSR_BUSFAULTACT_Msk          (1UL << SCB_SHCSR_BUSFAULTACT_Pos)             /*!< SCB SHCSR: BUSFAULTACT Mask */
+
+#define SCB_SHCSR_MEMFAULTACT_Pos           0                                             /*!< SCB SHCSR: MEMFAULTACT Position */
+#define SCB_SHCSR_MEMFAULTACT_Msk          (1UL << SCB_SHCSR_MEMFAULTACT_Pos)             /*!< SCB SHCSR: MEMFAULTACT Mask */
+
+/* SCB Configurable Fault Status Registers Definitions */
+#define SCB_CFSR_USGFAULTSR_Pos            16                                             /*!< SCB CFSR: Usage Fault Status Register Position */
+#define SCB_CFSR_USGFAULTSR_Msk            (0xFFFFUL << SCB_CFSR_USGFAULTSR_Pos)          /*!< SCB CFSR: Usage Fault Status Register Mask */
+
+#define SCB_CFSR_BUSFAULTSR_Pos             8                                             /*!< SCB CFSR: Bus Fault Status Register Position */
+#define SCB_CFSR_BUSFAULTSR_Msk            (0xFFUL << SCB_CFSR_BUSFAULTSR_Pos)            /*!< SCB CFSR: Bus Fault Status Register Mask */
+
+#define SCB_CFSR_MEMFAULTSR_Pos             0                                             /*!< SCB CFSR: Memory Manage Fault Status Register Position */
+#define SCB_CFSR_MEMFAULTSR_Msk            (0xFFUL << SCB_CFSR_MEMFAULTSR_Pos)            /*!< SCB CFSR: Memory Manage Fault Status Register Mask */
+
+/* SCB Hard Fault Status Registers Definitions */
+#define SCB_HFSR_DEBUGEVT_Pos              31                                             /*!< SCB HFSR: DEBUGEVT Position */
+#define SCB_HFSR_DEBUGEVT_Msk              (1UL << SCB_HFSR_DEBUGEVT_Pos)                 /*!< SCB HFSR: DEBUGEVT Mask */
+
+#define SCB_HFSR_FORCED_Pos                30                                             /*!< SCB HFSR: FORCED Position */
+#define SCB_HFSR_FORCED_Msk                (1UL << SCB_HFSR_FORCED_Pos)                   /*!< SCB HFSR: FORCED Mask */
+
+#define SCB_HFSR_VECTTBL_Pos                1                                             /*!< SCB HFSR: VECTTBL Position */
+#define SCB_HFSR_VECTTBL_Msk               (1UL << SCB_HFSR_VECTTBL_Pos)                  /*!< SCB HFSR: VECTTBL Mask */
+
+/* SCB Debug Fault Status Register Definitions */
+#define SCB_DFSR_EXTERNAL_Pos               4                                             /*!< SCB DFSR: EXTERNAL Position */
+#define SCB_DFSR_EXTERNAL_Msk              (1UL << SCB_DFSR_EXTERNAL_Pos)                 /*!< SCB DFSR: EXTERNAL Mask */
+
+#define SCB_DFSR_VCATCH_Pos                 3                                             /*!< SCB DFSR: VCATCH Position */
+#define SCB_DFSR_VCATCH_Msk                (1UL << SCB_DFSR_VCATCH_Pos)                   /*!< SCB DFSR: VCATCH Mask */
+
+#define SCB_DFSR_DWTTRAP_Pos                2                                             /*!< SCB DFSR: DWTTRAP Position */
+#define SCB_DFSR_DWTTRAP_Msk               (1UL << SCB_DFSR_DWTTRAP_Pos)                  /*!< SCB DFSR: DWTTRAP Mask */
+
+#define SCB_DFSR_BKPT_Pos                   1                                             /*!< SCB DFSR: BKPT Position */
+#define SCB_DFSR_BKPT_Msk                  (1UL << SCB_DFSR_BKPT_Pos)                     /*!< SCB DFSR: BKPT Mask */
+
+#define SCB_DFSR_HALTED_Pos                 0                                             /*!< SCB DFSR: HALTED Position */
+#define SCB_DFSR_HALTED_Msk                (1UL << SCB_DFSR_HALTED_Pos)                   /*!< SCB DFSR: HALTED Mask */
+
+/*@} end of group CMSIS_SCB */
+
+
+/** \ingroup  CMSIS_core_register
+    \defgroup CMSIS_SCnSCB System Controls not in SCB (SCnSCB)
+    \brief      Type definitions for the System Control and ID Register not in the SCB
+  @{
+ */
+
+/** \brief  Structure type to access the System Control and ID Register not in the SCB.
+ */
+typedef struct
+{
+       uint32_t RESERVED0[1];
+  __I  uint32_t ICTR;                    /*!< Offset: 0x004 (R/ )  Interrupt Controller Type Register      */
+#if ((defined __CM3_REV) && (__CM3_REV >= 0x200))
+  __IO uint32_t ACTLR;                   /*!< Offset: 0x008 (R/W)  Auxiliary Control Register      */
+#else
+       uint32_t RESERVED1[1];
+#endif
+} SCnSCB_Type;
+
+/* Interrupt Controller Type Register Definitions */
+#define SCnSCB_ICTR_INTLINESNUM_Pos         0                                          /*!< ICTR: INTLINESNUM Position */
+#define SCnSCB_ICTR_INTLINESNUM_Msk        (0xFUL << SCnSCB_ICTR_INTLINESNUM_Pos)      /*!< ICTR: INTLINESNUM Mask */
+
+/* Auxiliary Control Register Definitions */
+
+#define SCnSCB_ACTLR_DISFOLD_Pos            2                                          /*!< ACTLR: DISFOLD Position */
+#define SCnSCB_ACTLR_DISFOLD_Msk           (1UL << SCnSCB_ACTLR_DISFOLD_Pos)           /*!< ACTLR: DISFOLD Mask */
+
+#define SCnSCB_ACTLR_DISDEFWBUF_Pos         1                                          /*!< ACTLR: DISDEFWBUF Position */
+#define SCnSCB_ACTLR_DISDEFWBUF_Msk        (1UL << SCnSCB_ACTLR_DISDEFWBUF_Pos)        /*!< ACTLR: DISDEFWBUF Mask */
+
+#define SCnSCB_ACTLR_DISMCYCINT_Pos         0                                          /*!< ACTLR: DISMCYCINT Position */
+#define SCnSCB_ACTLR_DISMCYCINT_Msk        (1UL << SCnSCB_ACTLR_DISMCYCINT_Pos)        /*!< ACTLR: DISMCYCINT Mask */
+
+/*@} end of group CMSIS_SCnotSCB */
+
+
+/** \ingroup  CMSIS_core_register
+    \defgroup CMSIS_SysTick     System Tick Timer (SysTick)
+    \brief      Type definitions for the System Timer Registers.
+  @{
+ */
+
+/** \brief  Structure type to access the System Timer (SysTick).
+ */
+typedef struct
+{
+  __IO uint32_t CTRL;                    /*!< Offset: 0x000 (R/W)  SysTick Control and Status Register */
+  __IO uint32_t LOAD;                    /*!< Offset: 0x004 (R/W)  SysTick Reload Value Register       */
+  __IO uint32_t VAL;                     /*!< Offset: 0x008 (R/W)  SysTick Current Value Register      */
+  __I  uint32_t CALIB;                   /*!< Offset: 0x00C (R/ )  SysTick Calibration Register        */
+} SysTick_Type;
+
+/* SysTick Control / Status Register Definitions */
+#define SysTick_CTRL_COUNTFLAG_Pos         16                                             /*!< SysTick CTRL: COUNTFLAG Position */
+#define SysTick_CTRL_COUNTFLAG_Msk         (1UL << SysTick_CTRL_COUNTFLAG_Pos)            /*!< SysTick CTRL: COUNTFLAG Mask */
+
+#define SysTick_CTRL_CLKSOURCE_Pos          2                                             /*!< SysTick CTRL: CLKSOURCE Position */
+#define SysTick_CTRL_CLKSOURCE_Msk         (1UL << SysTick_CTRL_CLKSOURCE_Pos)            /*!< SysTick CTRL: CLKSOURCE Mask */
+
+#define SysTick_CTRL_TICKINT_Pos            1                                             /*!< SysTick CTRL: TICKINT Position */
+#define SysTick_CTRL_TICKINT_Msk           (1UL << SysTick_CTRL_TICKINT_Pos)              /*!< SysTick CTRL: TICKINT Mask */
+
+#define SysTick_CTRL_ENABLE_Pos             0                                             /*!< SysTick CTRL: ENABLE Position */
+#define SysTick_CTRL_ENABLE_Msk            (1UL << SysTick_CTRL_ENABLE_Pos)               /*!< SysTick CTRL: ENABLE Mask */
+
+/* SysTick Reload Register Definitions */
+#define SysTick_LOAD_RELOAD_Pos             0                                             /*!< SysTick LOAD: RELOAD Position */
+#define SysTick_LOAD_RELOAD_Msk            (0xFFFFFFUL << SysTick_LOAD_RELOAD_Pos)        /*!< SysTick LOAD: RELOAD Mask */
+
+/* SysTick Current Register Definitions */
+#define SysTick_VAL_CURRENT_Pos             0                                             /*!< SysTick VAL: CURRENT Position */
+#define SysTick_VAL_CURRENT_Msk            (0xFFFFFFUL << SysTick_VAL_CURRENT_Pos)        /*!< SysTick VAL: CURRENT Mask */
+
+/* SysTick Calibration Register Definitions */
+#define SysTick_CALIB_NOREF_Pos            31                                             /*!< SysTick CALIB: NOREF Position */
+#define SysTick_CALIB_NOREF_Msk            (1UL << SysTick_CALIB_NOREF_Pos)               /*!< SysTick CALIB: NOREF Mask */
+
+#define SysTick_CALIB_SKEW_Pos             30                                             /*!< SysTick CALIB: SKEW Position */
+#define SysTick_CALIB_SKEW_Msk             (1UL << SysTick_CALIB_SKEW_Pos)                /*!< SysTick CALIB: SKEW Mask */
+
+#define SysTick_CALIB_TENMS_Pos             0                                             /*!< SysTick CALIB: TENMS Position */
+#define SysTick_CALIB_TENMS_Msk            (0xFFFFFFUL << SysTick_VAL_CURRENT_Pos)        /*!< SysTick CALIB: TENMS Mask */
+
+/*@} end of group CMSIS_SysTick */
+
+
+/** \ingroup  CMSIS_core_register
+    \defgroup CMSIS_ITM     Instrumentation Trace Macrocell (ITM)
+    \brief      Type definitions for the Instrumentation Trace Macrocell (ITM)
+  @{
+ */
+
+/** \brief  Structure type to access the Instrumentation Trace Macrocell Register (ITM).
+ */
+typedef struct
+{
+  __O  union
+  {
+    __O  uint8_t    u8;                  /*!< Offset: 0x000 ( /W)  ITM Stimulus Port 8-bit                   */
+    __O  uint16_t   u16;                 /*!< Offset: 0x000 ( /W)  ITM Stimulus Port 16-bit                  */
+    __O  uint32_t   u32;                 /*!< Offset: 0x000 ( /W)  ITM Stimulus Port 32-bit                  */
+  }  PORT [32];                          /*!< Offset: 0x000 ( /W)  ITM Stimulus Port Registers               */
+       uint32_t RESERVED0[864];
+  __IO uint32_t TER;                     /*!< Offset: 0xE00 (R/W)  ITM Trace Enable Register                 */
+       uint32_t RESERVED1[15];
+  __IO uint32_t TPR;                     /*!< Offset: 0xE40 (R/W)  ITM Trace Privilege Register              */
+       uint32_t RESERVED2[15];
+  __IO uint32_t TCR;                     /*!< Offset: 0xE80 (R/W)  ITM Trace Control Register                */
+       uint32_t RESERVED3[29];
+  __O  uint32_t IWR;                     /*!< Offset: 0xEF8 ( /W)  ITM Integration Write Register            */
+  __I  uint32_t IRR;                     /*!< Offset: 0xEFC (R/ )  ITM Integration Read Register             */
+  __IO uint32_t IMCR;                    /*!< Offset: 0xF00 (R/W)  ITM Integration Mode Control Register     */
+       uint32_t RESERVED4[43];
+  __O  uint32_t LAR;                     /*!< Offset: 0xFB0 ( /W)  ITM Lock Access Register                  */
+  __I  uint32_t LSR;                     /*!< Offset: 0xFB4 (R/ )  ITM Lock Status Register                  */
+       uint32_t RESERVED5[6];
+  __I  uint32_t PID4;                    /*!< Offset: 0xFD0 (R/ )  ITM Peripheral Identification Register #4 */
+  __I  uint32_t PID5;                    /*!< Offset: 0xFD4 (R/ )  ITM Peripheral Identification Register #5 */
+  __I  uint32_t PID6;                    /*!< Offset: 0xFD8 (R/ )  ITM Peripheral Identification Register #6 */
+  __I  uint32_t PID7;                    /*!< Offset: 0xFDC (R/ )  ITM Peripheral Identification Register #7 */
+  __I  uint32_t PID0;                    /*!< Offset: 0xFE0 (R/ )  ITM Peripheral Identification Register #0 */
+  __I  uint32_t PID1;                    /*!< Offset: 0xFE4 (R/ )  ITM Peripheral Identification Register #1 */
+  __I  uint32_t PID2;                    /*!< Offset: 0xFE8 (R/ )  ITM Peripheral Identification Register #2 */
+  __I  uint32_t PID3;                    /*!< Offset: 0xFEC (R/ )  ITM Peripheral Identification Register #3 */
+  __I  uint32_t CID0;                    /*!< Offset: 0xFF0 (R/ )  ITM Component  Identification Register #0 */
+  __I  uint32_t CID1;                    /*!< Offset: 0xFF4 (R/ )  ITM Component  Identification Register #1 */
+  __I  uint32_t CID2;                    /*!< Offset: 0xFF8 (R/ )  ITM Component  Identification Register #2 */
+  __I  uint32_t CID3;                    /*!< Offset: 0xFFC (R/ )  ITM Component  Identification Register #3 */
+} ITM_Type;
+
+/* ITM Trace Privilege Register Definitions */
+#define ITM_TPR_PRIVMASK_Pos                0                                             /*!< ITM TPR: PRIVMASK Position */
+#define ITM_TPR_PRIVMASK_Msk               (0xFUL << ITM_TPR_PRIVMASK_Pos)                /*!< ITM TPR: PRIVMASK Mask */
+
+/* ITM Trace Control Register Definitions */
+#define ITM_TCR_BUSY_Pos                   23                                             /*!< ITM TCR: BUSY Position */
+#define ITM_TCR_BUSY_Msk                   (1UL << ITM_TCR_BUSY_Pos)                      /*!< ITM TCR: BUSY Mask */
+
+#define ITM_TCR_TraceBusID_Pos             16                                             /*!< ITM TCR: ATBID Position */
+#define ITM_TCR_TraceBusID_Msk             (0x7FUL << ITM_TCR_TraceBusID_Pos)             /*!< ITM TCR: ATBID Mask */
+
+#define ITM_TCR_GTSFREQ_Pos                10                                             /*!< ITM TCR: Global timestamp frequency Position */
+#define ITM_TCR_GTSFREQ_Msk                (3UL << ITM_TCR_GTSFREQ_Pos)                   /*!< ITM TCR: Global timestamp frequency Mask */
+
+#define ITM_TCR_TSPrescale_Pos              8                                             /*!< ITM TCR: TSPrescale Position */
+#define ITM_TCR_TSPrescale_Msk             (3UL << ITM_TCR_TSPrescale_Pos)                /*!< ITM TCR: TSPrescale Mask */
+
+#define ITM_TCR_SWOENA_Pos                  4                                             /*!< ITM TCR: SWOENA Position */
+#define ITM_TCR_SWOENA_Msk                 (1UL << ITM_TCR_SWOENA_Pos)                    /*!< ITM TCR: SWOENA Mask */
+
+#define ITM_TCR_DWTENA_Pos                  3                                             /*!< ITM TCR: DWTENA Position */
+#define ITM_TCR_DWTENA_Msk                 (1UL << ITM_TCR_DWTENA_Pos)                    /*!< ITM TCR: DWTENA Mask */
+
+#define ITM_TCR_SYNCENA_Pos                 2                                             /*!< ITM TCR: SYNCENA Position */
+#define ITM_TCR_SYNCENA_Msk                (1UL << ITM_TCR_SYNCENA_Pos)                   /*!< ITM TCR: SYNCENA Mask */
+
+#define ITM_TCR_TSENA_Pos                   1                                             /*!< ITM TCR: TSENA Position */
+#define ITM_TCR_TSENA_Msk                  (1UL << ITM_TCR_TSENA_Pos)                     /*!< ITM TCR: TSENA Mask */
+
+#define ITM_TCR_ITMENA_Pos                  0                                             /*!< ITM TCR: ITM Enable bit Position */
+#define ITM_TCR_ITMENA_Msk                 (1UL << ITM_TCR_ITMENA_Pos)                    /*!< ITM TCR: ITM Enable bit Mask */
+
+/* ITM Integration Write Register Definitions */
+#define ITM_IWR_ATVALIDM_Pos                0                                             /*!< ITM IWR: ATVALIDM Position */
+#define ITM_IWR_ATVALIDM_Msk               (1UL << ITM_IWR_ATVALIDM_Pos)                  /*!< ITM IWR: ATVALIDM Mask */
+
+/* ITM Integration Read Register Definitions */
+#define ITM_IRR_ATREADYM_Pos                0                                             /*!< ITM IRR: ATREADYM Position */
+#define ITM_IRR_ATREADYM_Msk               (1UL << ITM_IRR_ATREADYM_Pos)                  /*!< ITM IRR: ATREADYM Mask */
+
+/* ITM Integration Mode Control Register Definitions */
+#define ITM_IMCR_INTEGRATION_Pos            0                                             /*!< ITM IMCR: INTEGRATION Position */
+#define ITM_IMCR_INTEGRATION_Msk           (1UL << ITM_IMCR_INTEGRATION_Pos)              /*!< ITM IMCR: INTEGRATION Mask */
+
+/* ITM Lock Status Register Definitions */
+#define ITM_LSR_ByteAcc_Pos                 2                                             /*!< ITM LSR: ByteAcc Position */
+#define ITM_LSR_ByteAcc_Msk                (1UL << ITM_LSR_ByteAcc_Pos)                   /*!< ITM LSR: ByteAcc Mask */
+
+#define ITM_LSR_Access_Pos                  1                                             /*!< ITM LSR: Access Position */
+#define ITM_LSR_Access_Msk                 (1UL << ITM_LSR_Access_Pos)                    /*!< ITM LSR: Access Mask */
+
+#define ITM_LSR_Present_Pos                 0                                             /*!< ITM LSR: Present Position */
+#define ITM_LSR_Present_Msk                (1UL << ITM_LSR_Present_Pos)                   /*!< ITM LSR: Present Mask */
+
+/*@}*/ /* end of group CMSIS_ITM */
+
+
+/** \ingroup  CMSIS_core_register
+    \defgroup CMSIS_DWT     Data Watchpoint and Trace (DWT)
+    \brief      Type definitions for the Data Watchpoint and Trace (DWT)
+  @{
+ */
+
+/** \brief  Structure type to access the Data Watchpoint and Trace Register (DWT).
+ */
+typedef struct
+{
+  __IO uint32_t CTRL;                    /*!< Offset: 0x000 (R/W)  Control Register                          */
+  __IO uint32_t CYCCNT;                  /*!< Offset: 0x004 (R/W)  Cycle Count Register                      */
+  __IO uint32_t CPICNT;                  /*!< Offset: 0x008 (R/W)  CPI Count Register                        */
+  __IO uint32_t EXCCNT;                  /*!< Offset: 0x00C (R/W)  Exception Overhead Count Register         */
+  __IO uint32_t SLEEPCNT;                /*!< Offset: 0x010 (R/W)  Sleep Count Register                      */
+  __IO uint32_t LSUCNT;                  /*!< Offset: 0x014 (R/W)  LSU Count Register                        */
+  __IO uint32_t FOLDCNT;                 /*!< Offset: 0x018 (R/W)  Folded-instruction Count Register         */
+  __I  uint32_t PCSR;                    /*!< Offset: 0x01C (R/ )  Program Counter Sample Register           */
+  __IO uint32_t COMP0;                   /*!< Offset: 0x020 (R/W)  Comparator Register 0                     */
+  __IO uint32_t MASK0;                   /*!< Offset: 0x024 (R/W)  Mask Register 0                           */
+  __IO uint32_t FUNCTION0;               /*!< Offset: 0x028 (R/W)  Function Register 0                       */
+       uint32_t RESERVED0[1];
+  __IO uint32_t COMP1;                   /*!< Offset: 0x030 (R/W)  Comparator Register 1                     */
+  __IO uint32_t MASK1;                   /*!< Offset: 0x034 (R/W)  Mask Register 1                           */
+  __IO uint32_t FUNCTION1;               /*!< Offset: 0x038 (R/W)  Function Register 1                       */
+       uint32_t RESERVED1[1];
+  __IO uint32_t COMP2;                   /*!< Offset: 0x040 (R/W)  Comparator Register 2                     */
+  __IO uint32_t MASK2;                   /*!< Offset: 0x044 (R/W)  Mask Register 2                           */
+  __IO uint32_t FUNCTION2;               /*!< Offset: 0x048 (R/W)  Function Register 2                       */
+       uint32_t RESERVED2[1];
+  __IO uint32_t COMP3;                   /*!< Offset: 0x050 (R/W)  Comparator Register 3                     */
+  __IO uint32_t MASK3;                   /*!< Offset: 0x054 (R/W)  Mask Register 3                           */
+  __IO uint32_t FUNCTION3;               /*!< Offset: 0x058 (R/W)  Function Register 3                       */
+} DWT_Type;
+
+/* DWT Control Register Definitions */
+#define DWT_CTRL_NUMCOMP_Pos               28                                          /*!< DWT CTRL: NUMCOMP Position */
+#define DWT_CTRL_NUMCOMP_Msk               (0xFUL << DWT_CTRL_NUMCOMP_Pos)             /*!< DWT CTRL: NUMCOMP Mask */
+
+#define DWT_CTRL_NOTRCPKT_Pos              27                                          /*!< DWT CTRL: NOTRCPKT Position */
+#define DWT_CTRL_NOTRCPKT_Msk              (0x1UL << DWT_CTRL_NOTRCPKT_Pos)            /*!< DWT CTRL: NOTRCPKT Mask */
+
+#define DWT_CTRL_NOEXTTRIG_Pos             26                                          /*!< DWT CTRL: NOEXTTRIG Position */
+#define DWT_CTRL_NOEXTTRIG_Msk             (0x1UL << DWT_CTRL_NOEXTTRIG_Pos)           /*!< DWT CTRL: NOEXTTRIG Mask */
+
+#define DWT_CTRL_NOCYCCNT_Pos              25                                          /*!< DWT CTRL: NOCYCCNT Position */
+#define DWT_CTRL_NOCYCCNT_Msk              (0x1UL << DWT_CTRL_NOCYCCNT_Pos)            /*!< DWT CTRL: NOCYCCNT Mask */
+
+#define DWT_CTRL_NOPRFCNT_Pos              24                                          /*!< DWT CTRL: NOPRFCNT Position */
+#define DWT_CTRL_NOPRFCNT_Msk              (0x1UL << DWT_CTRL_NOPRFCNT_Pos)            /*!< DWT CTRL: NOPRFCNT Mask */
+
+#define DWT_CTRL_CYCEVTENA_Pos             22                                          /*!< DWT CTRL: CYCEVTENA Position */
+#define DWT_CTRL_CYCEVTENA_Msk             (0x1UL << DWT_CTRL_CYCEVTENA_Pos)           /*!< DWT CTRL: CYCEVTENA Mask */
+
+#define DWT_CTRL_FOLDEVTENA_Pos            21                                          /*!< DWT CTRL: FOLDEVTENA Position */
+#define DWT_CTRL_FOLDEVTENA_Msk            (0x1UL << DWT_CTRL_FOLDEVTENA_Pos)          /*!< DWT CTRL: FOLDEVTENA Mask */
+
+#define DWT_CTRL_LSUEVTENA_Pos             20                                          /*!< DWT CTRL: LSUEVTENA Position */
+#define DWT_CTRL_LSUEVTENA_Msk             (0x1UL << DWT_CTRL_LSUEVTENA_Pos)           /*!< DWT CTRL: LSUEVTENA Mask */
+
+#define DWT_CTRL_SLEEPEVTENA_Pos           19                                          /*!< DWT CTRL: SLEEPEVTENA Position */
+#define DWT_CTRL_SLEEPEVTENA_Msk           (0x1UL << DWT_CTRL_SLEEPEVTENA_Pos)         /*!< DWT CTRL: SLEEPEVTENA Mask */
+
+#define DWT_CTRL_EXCEVTENA_Pos             18                                          /*!< DWT CTRL: EXCEVTENA Position */
+#define DWT_CTRL_EXCEVTENA_Msk             (0x1UL << DWT_CTRL_EXCEVTENA_Pos)           /*!< DWT CTRL: EXCEVTENA Mask */
+
+#define DWT_CTRL_CPIEVTENA_Pos             17                                          /*!< DWT CTRL: CPIEVTENA Position */
+#define DWT_CTRL_CPIEVTENA_Msk             (0x1UL << DWT_CTRL_CPIEVTENA_Pos)           /*!< DWT CTRL: CPIEVTENA Mask */
+
+#define DWT_CTRL_EXCTRCENA_Pos             16                                          /*!< DWT CTRL: EXCTRCENA Position */
+#define DWT_CTRL_EXCTRCENA_Msk             (0x1UL << DWT_CTRL_EXCTRCENA_Pos)           /*!< DWT CTRL: EXCTRCENA Mask */
+
+#define DWT_CTRL_PCSAMPLENA_Pos            12                                          /*!< DWT CTRL: PCSAMPLENA Position */
+#define DWT_CTRL_PCSAMPLENA_Msk            (0x1UL << DWT_CTRL_PCSAMPLENA_Pos)          /*!< DWT CTRL: PCSAMPLENA Mask */
+
+#define DWT_CTRL_SYNCTAP_Pos               10                                          /*!< DWT CTRL: SYNCTAP Position */
+#define DWT_CTRL_SYNCTAP_Msk               (0x3UL << DWT_CTRL_SYNCTAP_Pos)             /*!< DWT CTRL: SYNCTAP Mask */
+
+#define DWT_CTRL_CYCTAP_Pos                 9                                          /*!< DWT CTRL: CYCTAP Position */
+#define DWT_CTRL_CYCTAP_Msk                (0x1UL << DWT_CTRL_CYCTAP_Pos)              /*!< DWT CTRL: CYCTAP Mask */
+
+#define DWT_CTRL_POSTINIT_Pos               5                                          /*!< DWT CTRL: POSTINIT Position */
+#define DWT_CTRL_POSTINIT_Msk              (0xFUL << DWT_CTRL_POSTINIT_Pos)            /*!< DWT CTRL: POSTINIT Mask */
+
+#define DWT_CTRL_POSTPRESET_Pos             1                                          /*!< DWT CTRL: POSTPRESET Position */
+#define DWT_CTRL_POSTPRESET_Msk            (0xFUL << DWT_CTRL_POSTPRESET_Pos)          /*!< DWT CTRL: POSTPRESET Mask */
+
+#define DWT_CTRL_CYCCNTENA_Pos              0                                          /*!< DWT CTRL: CYCCNTENA Position */
+#define DWT_CTRL_CYCCNTENA_Msk             (0x1UL << DWT_CTRL_CYCCNTENA_Pos)           /*!< DWT CTRL: CYCCNTENA Mask */
+
+/* DWT CPI Count Register Definitions */
+#define DWT_CPICNT_CPICNT_Pos               0                                          /*!< DWT CPICNT: CPICNT Position */
+#define DWT_CPICNT_CPICNT_Msk              (0xFFUL << DWT_CPICNT_CPICNT_Pos)           /*!< DWT CPICNT: CPICNT Mask */
+
+/* DWT Exception Overhead Count Register Definitions */
+#define DWT_EXCCNT_EXCCNT_Pos               0                                          /*!< DWT EXCCNT: EXCCNT Position */
+#define DWT_EXCCNT_EXCCNT_Msk              (0xFFUL << DWT_EXCCNT_EXCCNT_Pos)           /*!< DWT EXCCNT: EXCCNT Mask */
+
+/* DWT Sleep Count Register Definitions */
+#define DWT_SLEEPCNT_SLEEPCNT_Pos           0                                          /*!< DWT SLEEPCNT: SLEEPCNT Position */
+#define DWT_SLEEPCNT_SLEEPCNT_Msk          (0xFFUL << DWT_SLEEPCNT_SLEEPCNT_Pos)       /*!< DWT SLEEPCNT: SLEEPCNT Mask */
+
+/* DWT LSU Count Register Definitions */
+#define DWT_LSUCNT_LSUCNT_Pos               0                                          /*!< DWT LSUCNT: LSUCNT Position */
+#define DWT_LSUCNT_LSUCNT_Msk              (0xFFUL << DWT_LSUCNT_LSUCNT_Pos)           /*!< DWT LSUCNT: LSUCNT Mask */
+
+/* DWT Folded-instruction Count Register Definitions */
+#define DWT_FOLDCNT_FOLDCNT_Pos             0                                          /*!< DWT FOLDCNT: FOLDCNT Position */
+#define DWT_FOLDCNT_FOLDCNT_Msk            (0xFFUL << DWT_FOLDCNT_FOLDCNT_Pos)         /*!< DWT FOLDCNT: FOLDCNT Mask */
+
+/* DWT Comparator Mask Register Definitions */
+#define DWT_MASK_MASK_Pos                   0                                          /*!< DWT MASK: MASK Position */
+#define DWT_MASK_MASK_Msk                  (0x1FUL << DWT_MASK_MASK_Pos)               /*!< DWT MASK: MASK Mask */
+
+/* DWT Comparator Function Register Definitions */
+#define DWT_FUNCTION_MATCHED_Pos           24                                          /*!< DWT FUNCTION: MATCHED Position */
+#define DWT_FUNCTION_MATCHED_Msk           (0x1UL << DWT_FUNCTION_MATCHED_Pos)         /*!< DWT FUNCTION: MATCHED Mask */
+
+#define DWT_FUNCTION_DATAVADDR1_Pos        16                                          /*!< DWT FUNCTION: DATAVADDR1 Position */
+#define DWT_FUNCTION_DATAVADDR1_Msk        (0xFUL << DWT_FUNCTION_DATAVADDR1_Pos)      /*!< DWT FUNCTION: DATAVADDR1 Mask */
+
+#define DWT_FUNCTION_DATAVADDR0_Pos        12                                          /*!< DWT FUNCTION: DATAVADDR0 Position */
+#define DWT_FUNCTION_DATAVADDR0_Msk        (0xFUL << DWT_FUNCTION_DATAVADDR0_Pos)      /*!< DWT FUNCTION: DATAVADDR0 Mask */
+
+#define DWT_FUNCTION_DATAVSIZE_Pos         10                                          /*!< DWT FUNCTION: DATAVSIZE Position */
+#define DWT_FUNCTION_DATAVSIZE_Msk         (0x3UL << DWT_FUNCTION_DATAVSIZE_Pos)       /*!< DWT FUNCTION: DATAVSIZE Mask */
+
+#define DWT_FUNCTION_LNK1ENA_Pos            9                                          /*!< DWT FUNCTION: LNK1ENA Position */
+#define DWT_FUNCTION_LNK1ENA_Msk           (0x1UL << DWT_FUNCTION_LNK1ENA_Pos)         /*!< DWT FUNCTION: LNK1ENA Mask */
+
+#define DWT_FUNCTION_DATAVMATCH_Pos         8                                          /*!< DWT FUNCTION: DATAVMATCH Position */
+#define DWT_FUNCTION_DATAVMATCH_Msk        (0x1UL << DWT_FUNCTION_DATAVMATCH_Pos)      /*!< DWT FUNCTION: DATAVMATCH Mask */
+
+#define DWT_FUNCTION_CYCMATCH_Pos           7                                          /*!< DWT FUNCTION: CYCMATCH Position */
+#define DWT_FUNCTION_CYCMATCH_Msk          (0x1UL << DWT_FUNCTION_CYCMATCH_Pos)        /*!< DWT FUNCTION: CYCMATCH Mask */
+
+#define DWT_FUNCTION_EMITRANGE_Pos          5                                          /*!< DWT FUNCTION: EMITRANGE Position */
+#define DWT_FUNCTION_EMITRANGE_Msk         (0x1UL << DWT_FUNCTION_EMITRANGE_Pos)       /*!< DWT FUNCTION: EMITRANGE Mask */
+
+#define DWT_FUNCTION_FUNCTION_Pos           0                                          /*!< DWT FUNCTION: FUNCTION Position */
+#define DWT_FUNCTION_FUNCTION_Msk          (0xFUL << DWT_FUNCTION_FUNCTION_Pos)        /*!< DWT FUNCTION: FUNCTION Mask */
+
+/*@}*/ /* end of group CMSIS_DWT */
+
+
+/** \ingroup  CMSIS_core_register
+    \defgroup CMSIS_TPI     Trace Port Interface (TPI)
+    \brief      Type definitions for the Trace Port Interface (TPI)
+  @{
+ */
+
+/** \brief  Structure type to access the Trace Port Interface Register (TPI).
+ */
+typedef struct
+{
+  __IO uint32_t SSPSR;                   /*!< Offset: 0x000 (R/ )  Supported Parallel Port Size Register     */
+  __IO uint32_t CSPSR;                   /*!< Offset: 0x004 (R/W)  Current Parallel Port Size Register */
+       uint32_t RESERVED0[2];
+  __IO uint32_t ACPR;                    /*!< Offset: 0x010 (R/W)  Asynchronous Clock Prescaler Register */
+       uint32_t RESERVED1[55];
+  __IO uint32_t SPPR;                    /*!< Offset: 0x0F0 (R/W)  Selected Pin Protocol Register */
+       uint32_t RESERVED2[131];
+  __I  uint32_t FFSR;                    /*!< Offset: 0x300 (R/ )  Formatter and Flush Status Register */
+  __IO uint32_t FFCR;                    /*!< Offset: 0x304 (R/W)  Formatter and Flush Control Register */
+  __I  uint32_t FSCR;                    /*!< Offset: 0x308 (R/ )  Formatter Synchronization Counter Register */
+       uint32_t RESERVED3[759];
+  __I  uint32_t TRIGGER;                 /*!< Offset: 0xEE8 (R/ )  TRIGGER */
+  __I  uint32_t FIFO0;                   /*!< Offset: 0xEEC (R/ )  Integration ETM Data */
+  __I  uint32_t ITATBCTR2;               /*!< Offset: 0xEF0 (R/ )  ITATBCTR2 */
+       uint32_t RESERVED4[1];
+  __I  uint32_t ITATBCTR0;               /*!< Offset: 0xEF8 (R/ )  ITATBCTR0 */
+  __I  uint32_t FIFO1;                   /*!< Offset: 0xEFC (R/ )  Integration ITM Data */
+  __IO uint32_t ITCTRL;                  /*!< Offset: 0xF00 (R/W)  Integration Mode Control */
+       uint32_t RESERVED5[39];
+  __IO uint32_t CLAIMSET;                /*!< Offset: 0xFA0 (R/W)  Claim tag set */
+  __IO uint32_t CLAIMCLR;                /*!< Offset: 0xFA4 (R/W)  Claim tag clear */
+       uint32_t RESERVED7[8];
+  __I  uint32_t DEVID;                   /*!< Offset: 0xFC8 (R/ )  TPIU_DEVID */
+  __I  uint32_t DEVTYPE;                 /*!< Offset: 0xFCC (R/ )  TPIU_DEVTYPE */
+} TPI_Type;
+
+/* TPI Asynchronous Clock Prescaler Register Definitions */
+#define TPI_ACPR_PRESCALER_Pos              0                                          /*!< TPI ACPR: PRESCALER Position */
+#define TPI_ACPR_PRESCALER_Msk             (0x1FFFUL << TPI_ACPR_PRESCALER_Pos)        /*!< TPI ACPR: PRESCALER Mask */
+
+/* TPI Selected Pin Protocol Register Definitions */
+#define TPI_SPPR_TXMODE_Pos                 0                                          /*!< TPI SPPR: TXMODE Position */
+#define TPI_SPPR_TXMODE_Msk                (0x3UL << TPI_SPPR_TXMODE_Pos)              /*!< TPI SPPR: TXMODE Mask */
+
+/* TPI Formatter and Flush Status Register Definitions */
+#define TPI_FFSR_FtNonStop_Pos              3                                          /*!< TPI FFSR: FtNonStop Position */
+#define TPI_FFSR_FtNonStop_Msk             (0x1UL << TPI_FFSR_FtNonStop_Pos)           /*!< TPI FFSR: FtNonStop Mask */
+
+#define TPI_FFSR_TCPresent_Pos              2                                          /*!< TPI FFSR: TCPresent Position */
+#define TPI_FFSR_TCPresent_Msk             (0x1UL << TPI_FFSR_TCPresent_Pos)           /*!< TPI FFSR: TCPresent Mask */
+
+#define TPI_FFSR_FtStopped_Pos              1                                          /*!< TPI FFSR: FtStopped Position */
+#define TPI_FFSR_FtStopped_Msk             (0x1UL << TPI_FFSR_FtStopped_Pos)           /*!< TPI FFSR: FtStopped Mask */
+
+#define TPI_FFSR_FlInProg_Pos               0                                          /*!< TPI FFSR: FlInProg Position */
+#define TPI_FFSR_FlInProg_Msk              (0x1UL << TPI_FFSR_FlInProg_Pos)            /*!< TPI FFSR: FlInProg Mask */
+
+/* TPI Formatter and Flush Control Register Definitions */
+#define TPI_FFCR_TrigIn_Pos                 8                                          /*!< TPI FFCR: TrigIn Position */
+#define TPI_FFCR_TrigIn_Msk                (0x1UL << TPI_FFCR_TrigIn_Pos)              /*!< TPI FFCR: TrigIn Mask */
+
+#define TPI_FFCR_EnFCont_Pos                1                                          /*!< TPI FFCR: EnFCont Position */
+#define TPI_FFCR_EnFCont_Msk               (0x1UL << TPI_FFCR_EnFCont_Pos)             /*!< TPI FFCR: EnFCont Mask */
+
+/* TPI TRIGGER Register Definitions */
+#define TPI_TRIGGER_TRIGGER_Pos             0                                          /*!< TPI TRIGGER: TRIGGER Position */
+#define TPI_TRIGGER_TRIGGER_Msk            (0x1UL << TPI_TRIGGER_TRIGGER_Pos)          /*!< TPI TRIGGER: TRIGGER Mask */
+
+/* TPI Integration ETM Data Register Definitions (FIFO0) */
+#define TPI_FIFO0_ITM_ATVALID_Pos          29                                          /*!< TPI FIFO0: ITM_ATVALID Position */
+#define TPI_FIFO0_ITM_ATVALID_Msk          (0x3UL << TPI_FIFO0_ITM_ATVALID_Pos)        /*!< TPI FIFO0: ITM_ATVALID Mask */
+
+#define TPI_FIFO0_ITM_bytecount_Pos        27                                          /*!< TPI FIFO0: ITM_bytecount Position */
+#define TPI_FIFO0_ITM_bytecount_Msk        (0x3UL << TPI_FIFO0_ITM_bytecount_Pos)      /*!< TPI FIFO0: ITM_bytecount Mask */
+
+#define TPI_FIFO0_ETM_ATVALID_Pos          26                                          /*!< TPI FIFO0: ETM_ATVALID Position */
+#define TPI_FIFO0_ETM_ATVALID_Msk          (0x3UL << TPI_FIFO0_ETM_ATVALID_Pos)        /*!< TPI FIFO0: ETM_ATVALID Mask */
+
+#define TPI_FIFO0_ETM_bytecount_Pos        24                                          /*!< TPI FIFO0: ETM_bytecount Position */
+#define TPI_FIFO0_ETM_bytecount_Msk        (0x3UL << TPI_FIFO0_ETM_bytecount_Pos)      /*!< TPI FIFO0: ETM_bytecount Mask */
+
+#define TPI_FIFO0_ETM2_Pos                 16                                          /*!< TPI FIFO0: ETM2 Position */
+#define TPI_FIFO0_ETM2_Msk                 (0xFFUL << TPI_FIFO0_ETM2_Pos)              /*!< TPI FIFO0: ETM2 Mask */
+
+#define TPI_FIFO0_ETM1_Pos                  8                                          /*!< TPI FIFO0: ETM1 Position */
+#define TPI_FIFO0_ETM1_Msk                 (0xFFUL << TPI_FIFO0_ETM1_Pos)              /*!< TPI FIFO0: ETM1 Mask */
+
+#define TPI_FIFO0_ETM0_Pos                  0                                          /*!< TPI FIFO0: ETM0 Position */
+#define TPI_FIFO0_ETM0_Msk                 (0xFFUL << TPI_FIFO0_ETM0_Pos)              /*!< TPI FIFO0: ETM0 Mask */
+
+/* TPI ITATBCTR2 Register Definitions */
+#define TPI_ITATBCTR2_ATREADY_Pos           0                                          /*!< TPI ITATBCTR2: ATREADY Position */
+#define TPI_ITATBCTR2_ATREADY_Msk          (0x1UL << TPI_ITATBCTR2_ATREADY_Pos)        /*!< TPI ITATBCTR2: ATREADY Mask */
+
+/* TPI Integration ITM Data Register Definitions (FIFO1) */
+#define TPI_FIFO1_ITM_ATVALID_Pos          29                                          /*!< TPI FIFO1: ITM_ATVALID Position */
+#define TPI_FIFO1_ITM_ATVALID_Msk          (0x3UL << TPI_FIFO1_ITM_ATVALID_Pos)        /*!< TPI FIFO1: ITM_ATVALID Mask */
+
+#define TPI_FIFO1_ITM_bytecount_Pos        27                                          /*!< TPI FIFO1: ITM_bytecount Position */
+#define TPI_FIFO1_ITM_bytecount_Msk        (0x3UL << TPI_FIFO1_ITM_bytecount_Pos)      /*!< TPI FIFO1: ITM_bytecount Mask */
+
+#define TPI_FIFO1_ETM_ATVALID_Pos          26                                          /*!< TPI FIFO1: ETM_ATVALID Position */
+#define TPI_FIFO1_ETM_ATVALID_Msk          (0x3UL << TPI_FIFO1_ETM_ATVALID_Pos)        /*!< TPI FIFO1: ETM_ATVALID Mask */
+
+#define TPI_FIFO1_ETM_bytecount_Pos        24                                          /*!< TPI FIFO1: ETM_bytecount Position */
+#define TPI_FIFO1_ETM_bytecount_Msk        (0x3UL << TPI_FIFO1_ETM_bytecount_Pos)      /*!< TPI FIFO1: ETM_bytecount Mask */
+
+#define TPI_FIFO1_ITM2_Pos                 16                                          /*!< TPI FIFO1: ITM2 Position */
+#define TPI_FIFO1_ITM2_Msk                 (0xFFUL << TPI_FIFO1_ITM2_Pos)              /*!< TPI FIFO1: ITM2 Mask */
+
+#define TPI_FIFO1_ITM1_Pos                  8                                          /*!< TPI FIFO1: ITM1 Position */
+#define TPI_FIFO1_ITM1_Msk                 (0xFFUL << TPI_FIFO1_ITM1_Pos)              /*!< TPI FIFO1: ITM1 Mask */
+
+#define TPI_FIFO1_ITM0_Pos                  0                                          /*!< TPI FIFO1: ITM0 Position */
+#define TPI_FIFO1_ITM0_Msk                 (0xFFUL << TPI_FIFO1_ITM0_Pos)              /*!< TPI FIFO1: ITM0 Mask */
+
+/* TPI ITATBCTR0 Register Definitions */
+#define TPI_ITATBCTR0_ATREADY_Pos           0                                          /*!< TPI ITATBCTR0: ATREADY Position */
+#define TPI_ITATBCTR0_ATREADY_Msk          (0x1UL << TPI_ITATBCTR0_ATREADY_Pos)        /*!< TPI ITATBCTR0: ATREADY Mask */
+
+/* TPI Integration Mode Control Register Definitions */
+#define TPI_ITCTRL_Mode_Pos                 0                                          /*!< TPI ITCTRL: Mode Position */
+#define TPI_ITCTRL_Mode_Msk                (0x1UL << TPI_ITCTRL_Mode_Pos)              /*!< TPI ITCTRL: Mode Mask */
+
+/* TPI DEVID Register Definitions */
+#define TPI_DEVID_NRZVALID_Pos             11                                          /*!< TPI DEVID: NRZVALID Position */
+#define TPI_DEVID_NRZVALID_Msk             (0x1UL << TPI_DEVID_NRZVALID_Pos)           /*!< TPI DEVID: NRZVALID Mask */
+
+#define TPI_DEVID_MANCVALID_Pos            10                                          /*!< TPI DEVID: MANCVALID Position */
+#define TPI_DEVID_MANCVALID_Msk            (0x1UL << TPI_DEVID_MANCVALID_Pos)          /*!< TPI DEVID: MANCVALID Mask */
+
+#define TPI_DEVID_PTINVALID_Pos             9                                          /*!< TPI DEVID: PTINVALID Position */
+#define TPI_DEVID_PTINVALID_Msk            (0x1UL << TPI_DEVID_PTINVALID_Pos)          /*!< TPI DEVID: PTINVALID Mask */
+
+#define TPI_DEVID_MinBufSz_Pos              6                                          /*!< TPI DEVID: MinBufSz Position */
+#define TPI_DEVID_MinBufSz_Msk             (0x7UL << TPI_DEVID_MinBufSz_Pos)           /*!< TPI DEVID: MinBufSz Mask */
+
+#define TPI_DEVID_AsynClkIn_Pos             5                                          /*!< TPI DEVID: AsynClkIn Position */
+#define TPI_DEVID_AsynClkIn_Msk            (0x1UL << TPI_DEVID_AsynClkIn_Pos)          /*!< TPI DEVID: AsynClkIn Mask */
+
+#define TPI_DEVID_NrTraceInput_Pos          0                                          /*!< TPI DEVID: NrTraceInput Position */
+#define TPI_DEVID_NrTraceInput_Msk         (0x1FUL << TPI_DEVID_NrTraceInput_Pos)      /*!< TPI DEVID: NrTraceInput Mask */
+
+/* TPI DEVTYPE Register Definitions */
+#define TPI_DEVTYPE_SubType_Pos             0                                          /*!< TPI DEVTYPE: SubType Position */
+#define TPI_DEVTYPE_SubType_Msk            (0xFUL << TPI_DEVTYPE_SubType_Pos)          /*!< TPI DEVTYPE: SubType Mask */
+
+#define TPI_DEVTYPE_MajorType_Pos           4                                          /*!< TPI DEVTYPE: MajorType Position */
+#define TPI_DEVTYPE_MajorType_Msk          (0xFUL << TPI_DEVTYPE_MajorType_Pos)        /*!< TPI DEVTYPE: MajorType Mask */
+
+/*@}*/ /* end of group CMSIS_TPI */
+
+
+#if (__MPU_PRESENT == 1)
+/** \ingroup  CMSIS_core_register
+    \defgroup CMSIS_MPU     Memory Protection Unit (MPU)
+    \brief      Type definitions for the Memory Protection Unit (MPU)
+  @{
+ */
+
+/** \brief  Structure type to access the Memory Protection Unit (MPU).
+ */
+typedef struct
+{
+  __I  uint32_t TYPE;                    /*!< Offset: 0x000 (R/ )  MPU Type Register                              */
+  __IO uint32_t CTRL;                    /*!< Offset: 0x004 (R/W)  MPU Control Register                           */
+  __IO uint32_t RNR;                     /*!< Offset: 0x008 (R/W)  MPU Region RNRber Register                     */
+  __IO uint32_t RBAR;                    /*!< Offset: 0x00C (R/W)  MPU Region Base Address Register               */
+  __IO uint32_t RASR;                    /*!< Offset: 0x010 (R/W)  MPU Region Attribute and Size Register         */
+  __IO uint32_t RBAR_A1;                 /*!< Offset: 0x014 (R/W)  MPU Alias 1 Region Base Address Register       */
+  __IO uint32_t RASR_A1;                 /*!< Offset: 0x018 (R/W)  MPU Alias 1 Region Attribute and Size Register */
+  __IO uint32_t RBAR_A2;                 /*!< Offset: 0x01C (R/W)  MPU Alias 2 Region Base Address Register       */
+  __IO uint32_t RASR_A2;                 /*!< Offset: 0x020 (R/W)  MPU Alias 2 Region Attribute and Size Register */
+  __IO uint32_t RBAR_A3;                 /*!< Offset: 0x024 (R/W)  MPU Alias 3 Region Base Address Register       */
+  __IO uint32_t RASR_A3;                 /*!< Offset: 0x028 (R/W)  MPU Alias 3 Region Attribute and Size Register */
+} MPU_Type;
+
+/* MPU Type Register */
+#define MPU_TYPE_IREGION_Pos               16                                             /*!< MPU TYPE: IREGION Position */
+#define MPU_TYPE_IREGION_Msk               (0xFFUL << MPU_TYPE_IREGION_Pos)               /*!< MPU TYPE: IREGION Mask */
+
+#define MPU_TYPE_DREGION_Pos                8                                             /*!< MPU TYPE: DREGION Position */
+#define MPU_TYPE_DREGION_Msk               (0xFFUL << MPU_TYPE_DREGION_Pos)               /*!< MPU TYPE: DREGION Mask */
+
+#define MPU_TYPE_SEPARATE_Pos               0                                             /*!< MPU TYPE: SEPARATE Position */
+#define MPU_TYPE_SEPARATE_Msk              (1UL << MPU_TYPE_SEPARATE_Pos)                 /*!< MPU TYPE: SEPARATE Mask */
+
+/* MPU Control Register */
+#define MPU_CTRL_PRIVDEFENA_Pos             2                                             /*!< MPU CTRL: PRIVDEFENA Position */
+#define MPU_CTRL_PRIVDEFENA_Msk            (1UL << MPU_CTRL_PRIVDEFENA_Pos)               /*!< MPU CTRL: PRIVDEFENA Mask */
+
+#define MPU_CTRL_HFNMIENA_Pos               1                                             /*!< MPU CTRL: HFNMIENA Position */
+#define MPU_CTRL_HFNMIENA_Msk              (1UL << MPU_CTRL_HFNMIENA_Pos)                 /*!< MPU CTRL: HFNMIENA Mask */
+
+#define MPU_CTRL_ENABLE_Pos                 0                                             /*!< MPU CTRL: ENABLE Position */
+#define MPU_CTRL_ENABLE_Msk                (1UL << MPU_CTRL_ENABLE_Pos)                   /*!< MPU CTRL: ENABLE Mask */
+
+/* MPU Region Number Register */
+#define MPU_RNR_REGION_Pos                  0                                             /*!< MPU RNR: REGION Position */
+#define MPU_RNR_REGION_Msk                 (0xFFUL << MPU_RNR_REGION_Pos)                 /*!< MPU RNR: REGION Mask */
+
+/* MPU Region Base Address Register */
+#define MPU_RBAR_ADDR_Pos                   5                                             /*!< MPU RBAR: ADDR Position */
+#define MPU_RBAR_ADDR_Msk                  (0x7FFFFFFUL << MPU_RBAR_ADDR_Pos)             /*!< MPU RBAR: ADDR Mask */
+
+#define MPU_RBAR_VALID_Pos                  4                                             /*!< MPU RBAR: VALID Position */
+#define MPU_RBAR_VALID_Msk                 (1UL << MPU_RBAR_VALID_Pos)                    /*!< MPU RBAR: VALID Mask */
+
+#define MPU_RBAR_REGION_Pos                 0                                             /*!< MPU RBAR: REGION Position */
+#define MPU_RBAR_REGION_Msk                (0xFUL << MPU_RBAR_REGION_Pos)                 /*!< MPU RBAR: REGION Mask */
+
+/* MPU Region Attribute and Size Register */
+#define MPU_RASR_ATTRS_Pos                 16                                             /*!< MPU RASR: MPU Region Attribute field Position */
+#define MPU_RASR_ATTRS_Msk                 (0xFFFFUL << MPU_RASR_ATTRS_Pos)               /*!< MPU RASR: MPU Region Attribute field Mask */
+
+#define MPU_RASR_XN_Pos                    28                                             /*!< MPU RASR: ATTRS.XN Position */
+#define MPU_RASR_XN_Msk                    (1UL << MPU_RASR_XN_Pos)                       /*!< MPU RASR: ATTRS.XN Mask */
+
+#define MPU_RASR_AP_Pos                    24                                             /*!< MPU RASR: ATTRS.AP Position */
+#define MPU_RASR_AP_Msk                    (0x7UL << MPU_RASR_AP_Pos)                     /*!< MPU RASR: ATTRS.AP Mask */
+
+#define MPU_RASR_TEX_Pos                   19                                             /*!< MPU RASR: ATTRS.TEX Position */
+#define MPU_RASR_TEX_Msk                   (0x7UL << MPU_RASR_TEX_Pos)                    /*!< MPU RASR: ATTRS.TEX Mask */
+
+#define MPU_RASR_S_Pos                     18                                             /*!< MPU RASR: ATTRS.S Position */
+#define MPU_RASR_S_Msk                     (1UL << MPU_RASR_S_Pos)                        /*!< MPU RASR: ATTRS.S Mask */
+
+#define MPU_RASR_C_Pos                     17                                             /*!< MPU RASR: ATTRS.C Position */
+#define MPU_RASR_C_Msk                     (1UL << MPU_RASR_C_Pos)                        /*!< MPU RASR: ATTRS.C Mask */
+
+#define MPU_RASR_B_Pos                     16                                             /*!< MPU RASR: ATTRS.B Position */
+#define MPU_RASR_B_Msk                     (1UL << MPU_RASR_B_Pos)                        /*!< MPU RASR: ATTRS.B Mask */
+
+#define MPU_RASR_SRD_Pos                    8                                             /*!< MPU RASR: Sub-Region Disable Position */
+#define MPU_RASR_SRD_Msk                   (0xFFUL << MPU_RASR_SRD_Pos)                   /*!< MPU RASR: Sub-Region Disable Mask */
+
+#define MPU_RASR_SIZE_Pos                   1                                             /*!< MPU RASR: Region Size Field Position */
+#define MPU_RASR_SIZE_Msk                  (0x1FUL << MPU_RASR_SIZE_Pos)                  /*!< MPU RASR: Region Size Field Mask */
+
+#define MPU_RASR_ENABLE_Pos                 0                                             /*!< MPU RASR: Region enable bit Position */
+#define MPU_RASR_ENABLE_Msk                (1UL << MPU_RASR_ENABLE_Pos)                   /*!< MPU RASR: Region enable bit Disable Mask */
+
+/*@} end of group CMSIS_MPU */
+#endif
+
+
+/** \ingroup  CMSIS_core_register
+    \defgroup CMSIS_CoreDebug       Core Debug Registers (CoreDebug)
+    \brief      Type definitions for the Core Debug Registers
+  @{
+ */
+
+/** \brief  Structure type to access the Core Debug Register (CoreDebug).
+ */
+typedef struct
+{
+  __IO uint32_t DHCSR;                   /*!< Offset: 0x000 (R/W)  Debug Halting Control and Status Register    */
+  __O  uint32_t DCRSR;                   /*!< Offset: 0x004 ( /W)  Debug Core Register Selector Register        */
+  __IO uint32_t DCRDR;                   /*!< Offset: 0x008 (R/W)  Debug Core Register Data Register            */
+  __IO uint32_t DEMCR;                   /*!< Offset: 0x00C (R/W)  Debug Exception and Monitor Control Register */
+} CoreDebug_Type;
+
+/* Debug Halting Control and Status Register */
+#define CoreDebug_DHCSR_DBGKEY_Pos         16                                             /*!< CoreDebug DHCSR: DBGKEY Position */
+#define CoreDebug_DHCSR_DBGKEY_Msk         (0xFFFFUL << CoreDebug_DHCSR_DBGKEY_Pos)       /*!< CoreDebug DHCSR: DBGKEY Mask */
+
+#define CoreDebug_DHCSR_S_RESET_ST_Pos     25                                             /*!< CoreDebug DHCSR: S_RESET_ST Position */
+#define CoreDebug_DHCSR_S_RESET_ST_Msk     (1UL << CoreDebug_DHCSR_S_RESET_ST_Pos)        /*!< CoreDebug DHCSR: S_RESET_ST Mask */
+
+#define CoreDebug_DHCSR_S_RETIRE_ST_Pos    24                                             /*!< CoreDebug DHCSR: S_RETIRE_ST Position */
+#define CoreDebug_DHCSR_S_RETIRE_ST_Msk    (1UL << CoreDebug_DHCSR_S_RETIRE_ST_Pos)       /*!< CoreDebug DHCSR: S_RETIRE_ST Mask */
+
+#define CoreDebug_DHCSR_S_LOCKUP_Pos       19                                             /*!< CoreDebug DHCSR: S_LOCKUP Position */
+#define CoreDebug_DHCSR_S_LOCKUP_Msk       (1UL << CoreDebug_DHCSR_S_LOCKUP_Pos)          /*!< CoreDebug DHCSR: S_LOCKUP Mask */
+
+#define CoreDebug_DHCSR_S_SLEEP_Pos        18                                             /*!< CoreDebug DHCSR: S_SLEEP Position */
+#define CoreDebug_DHCSR_S_SLEEP_Msk        (1UL << CoreDebug_DHCSR_S_SLEEP_Pos)           /*!< CoreDebug DHCSR: S_SLEEP Mask */
+
+#define CoreDebug_DHCSR_S_HALT_Pos         17                                             /*!< CoreDebug DHCSR: S_HALT Position */
+#define CoreDebug_DHCSR_S_HALT_Msk         (1UL << CoreDebug_DHCSR_S_HALT_Pos)            /*!< CoreDebug DHCSR: S_HALT Mask */
+
+#define CoreDebug_DHCSR_S_REGRDY_Pos       16                                             /*!< CoreDebug DHCSR: S_REGRDY Position */
+#define CoreDebug_DHCSR_S_REGRDY_Msk       (1UL << CoreDebug_DHCSR_S_REGRDY_Pos)          /*!< CoreDebug DHCSR: S_REGRDY Mask */
+
+#define CoreDebug_DHCSR_C_SNAPSTALL_Pos     5                                             /*!< CoreDebug DHCSR: C_SNAPSTALL Position */
+#define CoreDebug_DHCSR_C_SNAPSTALL_Msk    (1UL << CoreDebug_DHCSR_C_SNAPSTALL_Pos)       /*!< CoreDebug DHCSR: C_SNAPSTALL Mask */
+
+#define CoreDebug_DHCSR_C_MASKINTS_Pos      3                                             /*!< CoreDebug DHCSR: C_MASKINTS Position */
+#define CoreDebug_DHCSR_C_MASKINTS_Msk     (1UL << CoreDebug_DHCSR_C_MASKINTS_Pos)        /*!< CoreDebug DHCSR: C_MASKINTS Mask */
+
+#define CoreDebug_DHCSR_C_STEP_Pos          2                                             /*!< CoreDebug DHCSR: C_STEP Position */
+#define CoreDebug_DHCSR_C_STEP_Msk         (1UL << CoreDebug_DHCSR_C_STEP_Pos)            /*!< CoreDebug DHCSR: C_STEP Mask */
+
+#define CoreDebug_DHCSR_C_HALT_Pos          1                                             /*!< CoreDebug DHCSR: C_HALT Position */
+#define CoreDebug_DHCSR_C_HALT_Msk         (1UL << CoreDebug_DHCSR_C_HALT_Pos)            /*!< CoreDebug DHCSR: C_HALT Mask */
+
+#define CoreDebug_DHCSR_C_DEBUGEN_Pos       0                                             /*!< CoreDebug DHCSR: C_DEBUGEN Position */
+#define CoreDebug_DHCSR_C_DEBUGEN_Msk      (1UL << CoreDebug_DHCSR_C_DEBUGEN_Pos)         /*!< CoreDebug DHCSR: C_DEBUGEN Mask */
+
+/* Debug Core Register Selector Register */
+#define CoreDebug_DCRSR_REGWnR_Pos         16                                             /*!< CoreDebug DCRSR: REGWnR Position */
+#define CoreDebug_DCRSR_REGWnR_Msk         (1UL << CoreDebug_DCRSR_REGWnR_Pos)            /*!< CoreDebug DCRSR: REGWnR Mask */
+
+#define CoreDebug_DCRSR_REGSEL_Pos          0                                             /*!< CoreDebug DCRSR: REGSEL Position */
+#define CoreDebug_DCRSR_REGSEL_Msk         (0x1FUL << CoreDebug_DCRSR_REGSEL_Pos)         /*!< CoreDebug DCRSR: REGSEL Mask */
+
+/* Debug Exception and Monitor Control Register */
+#define CoreDebug_DEMCR_TRCENA_Pos         24                                             /*!< CoreDebug DEMCR: TRCENA Position */
+#define CoreDebug_DEMCR_TRCENA_Msk         (1UL << CoreDebug_DEMCR_TRCENA_Pos)            /*!< CoreDebug DEMCR: TRCENA Mask */
+
+#define CoreDebug_DEMCR_MON_REQ_Pos        19                                             /*!< CoreDebug DEMCR: MON_REQ Position */
+#define CoreDebug_DEMCR_MON_REQ_Msk        (1UL << CoreDebug_DEMCR_MON_REQ_Pos)           /*!< CoreDebug DEMCR: MON_REQ Mask */
+
+#define CoreDebug_DEMCR_MON_STEP_Pos       18                                             /*!< CoreDebug DEMCR: MON_STEP Position */
+#define CoreDebug_DEMCR_MON_STEP_Msk       (1UL << CoreDebug_DEMCR_MON_STEP_Pos)          /*!< CoreDebug DEMCR: MON_STEP Mask */
+
+#define CoreDebug_DEMCR_MON_PEND_Pos       17                                             /*!< CoreDebug DEMCR: MON_PEND Position */
+#define CoreDebug_DEMCR_MON_PEND_Msk       (1UL << CoreDebug_DEMCR_MON_PEND_Pos)          /*!< CoreDebug DEMCR: MON_PEND Mask */
+
+#define CoreDebug_DEMCR_MON_EN_Pos         16                                             /*!< CoreDebug DEMCR: MON_EN Position */
+#define CoreDebug_DEMCR_MON_EN_Msk         (1UL << CoreDebug_DEMCR_MON_EN_Pos)            /*!< CoreDebug DEMCR: MON_EN Mask */
+
+#define CoreDebug_DEMCR_VC_HARDERR_Pos     10                                             /*!< CoreDebug DEMCR: VC_HARDERR Position */
+#define CoreDebug_DEMCR_VC_HARDERR_Msk     (1UL << CoreDebug_DEMCR_VC_HARDERR_Pos)        /*!< CoreDebug DEMCR: VC_HARDERR Mask */
+
+#define CoreDebug_DEMCR_VC_INTERR_Pos       9                                             /*!< CoreDebug DEMCR: VC_INTERR Position */
+#define CoreDebug_DEMCR_VC_INTERR_Msk      (1UL << CoreDebug_DEMCR_VC_INTERR_Pos)         /*!< CoreDebug DEMCR: VC_INTERR Mask */
+
+#define CoreDebug_DEMCR_VC_BUSERR_Pos       8                                             /*!< CoreDebug DEMCR: VC_BUSERR Position */
+#define CoreDebug_DEMCR_VC_BUSERR_Msk      (1UL << CoreDebug_DEMCR_VC_BUSERR_Pos)         /*!< CoreDebug DEMCR: VC_BUSERR Mask */
+
+#define CoreDebug_DEMCR_VC_STATERR_Pos      7                                             /*!< CoreDebug DEMCR: VC_STATERR Position */
+#define CoreDebug_DEMCR_VC_STATERR_Msk     (1UL << CoreDebug_DEMCR_VC_STATERR_Pos)        /*!< CoreDebug DEMCR: VC_STATERR Mask */
+
+#define CoreDebug_DEMCR_VC_CHKERR_Pos       6                                             /*!< CoreDebug DEMCR: VC_CHKERR Position */
+#define CoreDebug_DEMCR_VC_CHKERR_Msk      (1UL << CoreDebug_DEMCR_VC_CHKERR_Pos)         /*!< CoreDebug DEMCR: VC_CHKERR Mask */
+
+#define CoreDebug_DEMCR_VC_NOCPERR_Pos      5                                             /*!< CoreDebug DEMCR: VC_NOCPERR Position */
+#define CoreDebug_DEMCR_VC_NOCPERR_Msk     (1UL << CoreDebug_DEMCR_VC_NOCPERR_Pos)        /*!< CoreDebug DEMCR: VC_NOCPERR Mask */
+
+#define CoreDebug_DEMCR_VC_MMERR_Pos        4                                             /*!< CoreDebug DEMCR: VC_MMERR Position */
+#define CoreDebug_DEMCR_VC_MMERR_Msk       (1UL << CoreDebug_DEMCR_VC_MMERR_Pos)          /*!< CoreDebug DEMCR: VC_MMERR Mask */
+
+#define CoreDebug_DEMCR_VC_CORERESET_Pos    0                                             /*!< CoreDebug DEMCR: VC_CORERESET Position */
+#define CoreDebug_DEMCR_VC_CORERESET_Msk   (1UL << CoreDebug_DEMCR_VC_CORERESET_Pos)      /*!< CoreDebug DEMCR: VC_CORERESET Mask */
+
+/*@} end of group CMSIS_CoreDebug */
+
+
+/** \ingroup    CMSIS_core_register
+    \defgroup   CMSIS_core_base     Core Definitions
+    \brief      Definitions for base addresses, unions, and structures.
+  @{
+ */
+
+/* Memory mapping of Cortex-M3 Hardware */
+#define SCS_BASE            (0xE000E000UL)                            /*!< System Control Space Base Address  */
+#define ITM_BASE            (0xE0000000UL)                            /*!< ITM Base Address                   */
+#define DWT_BASE            (0xE0001000UL)                            /*!< DWT Base Address                   */
+#define TPI_BASE            (0xE0040000UL)                            /*!< TPI Base Address                   */
+#define CoreDebug_BASE      (0xE000EDF0UL)                            /*!< Core Debug Base Address            */
+#define SysTick_BASE        (SCS_BASE +  0x0010UL)                    /*!< SysTick Base Address               */
+#define NVIC_BASE           (SCS_BASE +  0x0100UL)                    /*!< NVIC Base Address                  */
+#define SCB_BASE            (SCS_BASE +  0x0D00UL)                    /*!< System Control Block Base Address  */
+
+#define SCnSCB              ((SCnSCB_Type    *)     SCS_BASE      )   /*!< System control Register not in SCB */
+#define SCB                 ((SCB_Type       *)     SCB_BASE      )   /*!< SCB configuration struct           */
+#define SysTick             ((SysTick_Type   *)     SysTick_BASE  )   /*!< SysTick configuration struct       */
+#define NVIC                ((NVIC_Type      *)     NVIC_BASE     )   /*!< NVIC configuration struct          */
+#define ITM                 ((ITM_Type       *)     ITM_BASE      )   /*!< ITM configuration struct           */
+#define DWT                 ((DWT_Type       *)     DWT_BASE      )   /*!< DWT configuration struct           */
+#define TPI                 ((TPI_Type       *)     TPI_BASE      )   /*!< TPI configuration struct           */
+#define CoreDebug           ((CoreDebug_Type *)     CoreDebug_BASE)   /*!< Core Debug configuration struct    */
+
+#if (__MPU_PRESENT == 1)
+  #define MPU_BASE          (SCS_BASE +  0x0D90UL)                    /*!< Memory Protection Unit             */
+  #define MPU               ((MPU_Type       *)     MPU_BASE      )   /*!< Memory Protection Unit             */
+#endif
+
+/*@} */
+
+
+
+/*******************************************************************************
+ *                Hardware Abstraction Layer
+  Core Function Interface contains:
+  - Core NVIC Functions
+  - Core SysTick Functions
+  - Core Debug Functions
+  - Core Register Access Functions
+ ******************************************************************************/
+/** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
+*/
+
+
+
+/* ##########################   NVIC functions  #################################### */
+/** \ingroup  CMSIS_Core_FunctionInterface
+    \defgroup CMSIS_Core_NVICFunctions NVIC Functions
+    \brief      Functions that manage interrupts and exceptions via the NVIC.
+    @{
+ */
+
+/** \brief  Set Priority Grouping
+
+  The function sets the priority grouping field using the required unlock sequence.
+  The parameter PriorityGroup is assigned to the field SCB->AIRCR [10:8] PRIGROUP field.
+  Only values from 0..7 are used.
+  In case of a conflict between priority grouping and available
+  priority bits (__NVIC_PRIO_BITS), the smallest possible priority group is set.
+
+    \param [in]      PriorityGroup  Priority grouping field.
+ */
+__STATIC_INLINE void NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
+{
+  uint32_t reg_value;
+  uint32_t PriorityGroupTmp = (PriorityGroup & (uint32_t)0x07);               /* only values 0..7 are used          */
+
+  reg_value  =  SCB->AIRCR;                                                   /* read old register configuration    */
+  reg_value &= ~(SCB_AIRCR_VECTKEY_Msk | SCB_AIRCR_PRIGROUP_Msk);             /* clear bits to change               */
+  reg_value  =  (reg_value                                 |
+                ((uint32_t)0x5FA << SCB_AIRCR_VECTKEY_Pos) |
+                (PriorityGroupTmp << 8));                                     /* Insert write key and priorty group */
+  SCB->AIRCR =  reg_value;
+}
+
+
+/** \brief  Get Priority Grouping
+
+  The function reads the priority grouping field from the NVIC Interrupt Controller.
+
+    \return                Priority grouping field (SCB->AIRCR [10:8] PRIGROUP field).
+ */
+__STATIC_INLINE uint32_t NVIC_GetPriorityGrouping(void)
+{
+  return ((SCB->AIRCR & SCB_AIRCR_PRIGROUP_Msk) >> SCB_AIRCR_PRIGROUP_Pos);   /* read priority grouping field */
+}
+
+
+/** \brief  Enable External Interrupt
+
+    The function enables a device-specific interrupt in the NVIC interrupt controller.
+
+    \param [in]      IRQn  External interrupt number. Value cannot be negative.
+ */
+__STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
+{
+  NVIC->ISER[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* enable interrupt */
+}
+
+
+/** \brief  Disable External Interrupt
+
+    The function disables a device-specific interrupt in the NVIC interrupt controller.
+
+    \param [in]      IRQn  External interrupt number. Value cannot be negative.
+ */
+__STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
+{
+  NVIC->ICER[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* disable interrupt */
+}
+
+
+/** \brief  Get Pending Interrupt
+
+    The function reads the pending register in the NVIC and returns the pending bit
+    for the specified interrupt.
+
+    \param [in]      IRQn  Interrupt number.
+
+    \return             0  Interrupt status is not pending.
+    \return             1  Interrupt status is pending.
+ */
+__STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
+{
+  return((uint32_t) ((NVIC->ISPR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0)); /* Return 1 if pending else 0 */
+}
+
+
+/** \brief  Set Pending Interrupt
+
+    The function sets the pending bit of an external interrupt.
+
+    \param [in]      IRQn  Interrupt number. Value cannot be negative.
+ */
+__STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
+{
+  NVIC->ISPR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* set interrupt pending */
+}
+
+
+/** \brief  Clear Pending Interrupt
+
+    The function clears the pending bit of an external interrupt.
+
+    \param [in]      IRQn  External interrupt number. Value cannot be negative.
+ */
+__STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
+{
+  NVIC->ICPR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* Clear pending interrupt */
+}
+
+
+/** \brief  Get Active Interrupt
+
+    The function reads the active register in NVIC and returns the active bit.
+
+    \param [in]      IRQn  Interrupt number.
+
+    \return             0  Interrupt status is not active.
+    \return             1  Interrupt status is active.
+ */
+__STATIC_INLINE uint32_t NVIC_GetActive(IRQn_Type IRQn)
+{
+  return((uint32_t)((NVIC->IABR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0)); /* Return 1 if active else 0 */
+}
+
+
+/** \brief  Set Interrupt Priority
+
+    The function sets the priority of an interrupt.
+
+    \note The priority cannot be set for every core interrupt.
+
+    \param [in]      IRQn  Interrupt number.
+    \param [in]  priority  Priority to set.
+ */
+__STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
+{
+  if(IRQn < 0) {
+    SCB->SHP[((uint32_t)(IRQn) & 0xF)-4] = ((priority << (8 - __NVIC_PRIO_BITS)) & 0xff); } /* set Priority for Cortex-M  System Interrupts */
+  else {
+    NVIC->IP[(uint32_t)(IRQn)] = ((priority << (8 - __NVIC_PRIO_BITS)) & 0xff);    }        /* set Priority for device specific Interrupts  */
+}
+
+
+/** \brief  Get Interrupt Priority
+
+    The function reads the priority of an interrupt. The interrupt
+    number can be positive to specify an external (device specific)
+    interrupt, or negative to specify an internal (core) interrupt.
+
+
+    \param [in]   IRQn  Interrupt number.
+    \return             Interrupt Priority. Value is aligned automatically to the implemented
+                        priority bits of the microcontroller.
+ */
+__STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
+{
+
+  if(IRQn < 0) {
+    return((uint32_t)(SCB->SHP[((uint32_t)(IRQn) & 0xF)-4] >> (8 - __NVIC_PRIO_BITS)));  } /* get priority for Cortex-M  system interrupts */
+  else {
+    return((uint32_t)(NVIC->IP[(uint32_t)(IRQn)]           >> (8 - __NVIC_PRIO_BITS)));  } /* get priority for device specific interrupts  */
+}
+
+
+/** \brief  Encode Priority
+
+    The function encodes the priority for an interrupt with the given priority group,
+    preemptive priority value, and subpriority value.
+    In case of a conflict between priority grouping and available
+    priority bits (__NVIC_PRIO_BITS), the samllest possible priority group is set.
+
+    \param [in]     PriorityGroup  Used priority group.
+    \param [in]   PreemptPriority  Preemptive priority value (starting from 0).
+    \param [in]       SubPriority  Subpriority value (starting from 0).
+    \return                        Encoded priority. Value can be used in the function \ref NVIC_SetPriority().
+ */
+__STATIC_INLINE uint32_t NVIC_EncodePriority (uint32_t PriorityGroup, uint32_t PreemptPriority, uint32_t SubPriority)
+{
+  uint32_t PriorityGroupTmp = (PriorityGroup & 0x07);          /* only values 0..7 are used          */
+  uint32_t PreemptPriorityBits;
+  uint32_t SubPriorityBits;
+
+  PreemptPriorityBits = ((7 - PriorityGroupTmp) > __NVIC_PRIO_BITS) ? __NVIC_PRIO_BITS : 7 - PriorityGroupTmp;
+  SubPriorityBits     = ((PriorityGroupTmp + __NVIC_PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + __NVIC_PRIO_BITS;
+
+  return (
+           ((PreemptPriority & ((1 << (PreemptPriorityBits)) - 1)) << SubPriorityBits) |
+           ((SubPriority     & ((1 << (SubPriorityBits    )) - 1)))
+         );
+}
+
+
+/** \brief  Decode Priority
+
+    The function decodes an interrupt priority value with a given priority group to
+    preemptive priority value and subpriority value.
+    In case of a conflict between priority grouping and available
+    priority bits (__NVIC_PRIO_BITS) the samllest possible priority group is set.
+
+    \param [in]         Priority   Priority value, which can be retrieved with the function \ref NVIC_GetPriority().
+    \param [in]     PriorityGroup  Used priority group.
+    \param [out] pPreemptPriority  Preemptive priority value (starting from 0).
+    \param [out]     pSubPriority  Subpriority value (starting from 0).
+ */
+__STATIC_INLINE void NVIC_DecodePriority (uint32_t Priority, uint32_t PriorityGroup, uint32_t* pPreemptPriority, uint32_t* pSubPriority)
+{
+  uint32_t PriorityGroupTmp = (PriorityGroup & 0x07);          /* only values 0..7 are used          */
+  uint32_t PreemptPriorityBits;
+  uint32_t SubPriorityBits;
+
+  PreemptPriorityBits = ((7 - PriorityGroupTmp) > __NVIC_PRIO_BITS) ? __NVIC_PRIO_BITS : 7 - PriorityGroupTmp;
+  SubPriorityBits     = ((PriorityGroupTmp + __NVIC_PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + __NVIC_PRIO_BITS;
+
+  *pPreemptPriority = (Priority >> SubPriorityBits) & ((1 << (PreemptPriorityBits)) - 1);
+  *pSubPriority     = (Priority                   ) & ((1 << (SubPriorityBits    )) - 1);
+}
+
+
+/** \brief  System Reset
+
+    The function initiates a system reset request to reset the MCU.
+ */
+__STATIC_INLINE void NVIC_SystemReset(void)
+{
+  __DSB();                                                     /* Ensure all outstanding memory accesses included
+                                                                  buffered write are completed before reset */
+  SCB->AIRCR  = ((0x5FA << SCB_AIRCR_VECTKEY_Pos)      |
+                 (SCB->AIRCR & SCB_AIRCR_PRIGROUP_Msk) |
+                 SCB_AIRCR_SYSRESETREQ_Msk);                   /* Keep priority group unchanged */
+  __DSB();                                                     /* Ensure completion of memory access */
+  while(1);                                                    /* wait until reset */
+}
+
+/*@} end of CMSIS_Core_NVICFunctions */
+
+
+
+/* ##################################    SysTick function  ############################################ */
+/** \ingroup  CMSIS_Core_FunctionInterface
+    \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
+    \brief      Functions that configure the System.
+  @{
+ */
+
+#if (__Vendor_SysTickConfig == 0)
+
+/** \brief  System Tick Configuration
+
+    The function initializes the System Timer and its interrupt, and starts the System Tick Timer.
+    Counter is in free running mode to generate periodic interrupts.
+
+    \param [in]  ticks  Number of ticks between two interrupts.
+
+    \return          0  Function succeeded.
+    \return          1  Function failed.
+
+    \note     When the variable __Vendor_SysTickConfig is set to 1, then the
+    function SysTick_Config is not included. In this case, the file device.h
+    must contain a vendor-specific implementation of this function.
+
+ */
+__STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
+{
+  if ((ticks - 1) > SysTick_LOAD_RELOAD_Msk)  return (1);      /* Reload value impossible */
+
+  SysTick->LOAD  = ticks - 1;                                  /* set reload register */
+  NVIC_SetPriority (SysTick_IRQn, (1<<__NVIC_PRIO_BITS) - 1);  /* set Priority for Systick Interrupt */
+  SysTick->VAL   = 0;                                          /* Load the SysTick Counter Value */
+  SysTick->CTRL  = SysTick_CTRL_CLKSOURCE_Msk |
+                   SysTick_CTRL_TICKINT_Msk   |
+                   SysTick_CTRL_ENABLE_Msk;                    /* Enable SysTick IRQ and SysTick Timer */
+  return (0);                                                  /* Function successful */
+}
+
+#endif
+
+/*@} end of CMSIS_Core_SysTickFunctions */
+
+
+
+/* ##################################### Debug In/Output function ########################################### */
+/** \ingroup  CMSIS_Core_FunctionInterface
+    \defgroup CMSIS_core_DebugFunctions ITM Functions
+    \brief   Functions that access the ITM debug interface.
+  @{
+ */
+
+extern volatile int32_t ITM_RxBuffer;                    /*!< External variable to receive characters.                         */
+#define                 ITM_RXBUFFER_EMPTY    0x5AA55AA5 /*!< Value identifying \ref ITM_RxBuffer is ready for next character. */
+
+
+/** \brief  ITM Send Character
+
+    The function transmits a character via the ITM channel 0, and
+    \li Just returns when no debugger is connected that has booked the output.
+    \li Is blocking when a debugger is connected, but the previous character sent has not been transmitted.
+
+    \param [in]     ch  Character to transmit.
+
+    \returns            Character to transmit.
+ */
+__STATIC_INLINE uint32_t ITM_SendChar (uint32_t ch)
+{
+  if ((ITM->TCR & ITM_TCR_ITMENA_Msk)                  &&      /* ITM enabled */
+      (ITM->TER & (1UL << 0)        )                    )     /* ITM Port #0 enabled */
+  {
+    while (ITM->PORT[0].u32 == 0);
+    ITM->PORT[0].u8 = (uint8_t) ch;
+  }
+  return (ch);
+}
+
+
+/** \brief  ITM Receive Character
+
+    The function inputs a character via the external variable \ref ITM_RxBuffer.
+
+    \return             Received character.
+    \return         -1  No character pending.
+ */
+__STATIC_INLINE int32_t ITM_ReceiveChar (void) {
+  int32_t ch = -1;                           /* no character available */
+
+  if (ITM_RxBuffer != ITM_RXBUFFER_EMPTY) {
+    ch = ITM_RxBuffer;
+    ITM_RxBuffer = ITM_RXBUFFER_EMPTY;       /* ready for next character */
+  }
+
+  return (ch);
+}
+
+
+/** \brief  ITM Check Character
+
+    The function checks whether a character is pending for reading in the variable \ref ITM_RxBuffer.
+
+    \return          0  No character available.
+    \return          1  Character available.
+ */
+__STATIC_INLINE int32_t ITM_CheckChar (void) {
+
+  if (ITM_RxBuffer == ITM_RXBUFFER_EMPTY) {
+    return (0);                                 /* no character available */
+  } else {
+    return (1);                                 /*    character available */
+  }
+}
+
+/*@} end of CMSIS_core_DebugFunctions */
+
+#endif /* __CORE_CM3_H_DEPENDANT */
+
+#endif /* __CMSIS_GENERIC */
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/core_cmFunc.h b/libraries/mbed/vendor/NXP/cmsis/LPC1768/core_cmFunc.h
new file mode 100644
index 0000000000..3175adee1b
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/core_cmFunc.h
@@ -0,0 +1,616 @@
+/**************************************************************************//**
+ * @file     core_cmFunc.h
+ * @brief    CMSIS Cortex-M Core Function Access Header File
+ * @version  V3.02
+ * @date     24. May 2012
+ *
+ * @note
+ * Copyright (C) 2009-2012 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M
+ * processor based microcontrollers.  This file can be freely distributed
+ * within development tools that are supporting such ARM based processors.
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+#ifndef __CORE_CMFUNC_H
+#define __CORE_CMFUNC_H
+
+
+/* ###########################  Core Function Access  ########################### */
+/** \ingroup  CMSIS_Core_FunctionInterface
+    \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions
+  @{
+ */
+
+#if   defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
+/* ARM armcc specific functions */
+
+#if (__ARMCC_VERSION < 400677)
+  #error "Please use ARM Compiler Toolchain V4.0.677 or later!"
+#endif
+
+/* intrinsic void __enable_irq();     */
+/* intrinsic void __disable_irq();    */
+
+/** \brief  Get Control Register
+
+    This function returns the content of the Control Register.
+
+    \return               Control Register value
+ */
+__STATIC_INLINE uint32_t __get_CONTROL(void)
+{
+  register uint32_t __regControl         __ASM("control");
+  return(__regControl);
+}
+
+
+/** \brief  Set Control Register
+
+    This function writes the given value to the Control Register.
+
+    \param [in]    control  Control Register value to set
+ */
+__STATIC_INLINE void __set_CONTROL(uint32_t control)
+{
+  register uint32_t __regControl         __ASM("control");
+  __regControl = control;
+}
+
+
+/** \brief  Get IPSR Register
+
+    This function returns the content of the IPSR Register.
+
+    \return               IPSR Register value
+ */
+__STATIC_INLINE uint32_t __get_IPSR(void)
+{
+  register uint32_t __regIPSR          __ASM("ipsr");
+  return(__regIPSR);
+}
+
+
+/** \brief  Get APSR Register
+
+    This function returns the content of the APSR Register.
+
+    \return               APSR Register value
+ */
+__STATIC_INLINE uint32_t __get_APSR(void)
+{
+  register uint32_t __regAPSR          __ASM("apsr");
+  return(__regAPSR);
+}
+
+
+/** \brief  Get xPSR Register
+
+    This function returns the content of the xPSR Register.
+
+    \return               xPSR Register value
+ */
+__STATIC_INLINE uint32_t __get_xPSR(void)
+{
+  register uint32_t __regXPSR          __ASM("xpsr");
+  return(__regXPSR);
+}
+
+
+/** \brief  Get Process Stack Pointer
+
+    This function returns the current value of the Process Stack Pointer (PSP).
+
+    \return               PSP Register value
+ */
+__STATIC_INLINE uint32_t __get_PSP(void)
+{
+  register uint32_t __regProcessStackPointer  __ASM("psp");
+  return(__regProcessStackPointer);
+}
+
+
+/** \brief  Set Process Stack Pointer
+
+    This function assigns the given value to the Process Stack Pointer (PSP).
+
+    \param [in]    topOfProcStack  Process Stack Pointer value to set
+ */
+__STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
+{
+  register uint32_t __regProcessStackPointer  __ASM("psp");
+  __regProcessStackPointer = topOfProcStack;
+}
+
+
+/** \brief  Get Main Stack Pointer
+
+    This function returns the current value of the Main Stack Pointer (MSP).
+
+    \return               MSP Register value
+ */
+__STATIC_INLINE uint32_t __get_MSP(void)
+{
+  register uint32_t __regMainStackPointer     __ASM("msp");
+  return(__regMainStackPointer);
+}
+
+
+/** \brief  Set Main Stack Pointer
+
+    This function assigns the given value to the Main Stack Pointer (MSP).
+
+    \param [in]    topOfMainStack  Main Stack Pointer value to set
+ */
+__STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
+{
+  register uint32_t __regMainStackPointer     __ASM("msp");
+  __regMainStackPointer = topOfMainStack;
+}
+
+
+/** \brief  Get Priority Mask
+
+    This function returns the current state of the priority mask bit from the Priority Mask Register.
+
+    \return               Priority Mask value
+ */
+__STATIC_INLINE uint32_t __get_PRIMASK(void)
+{
+  register uint32_t __regPriMask         __ASM("primask");
+  return(__regPriMask);
+}
+
+
+/** \brief  Set Priority Mask
+
+    This function assigns the given value to the Priority Mask Register.
+
+    \param [in]    priMask  Priority Mask
+ */
+__STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
+{
+  register uint32_t __regPriMask         __ASM("primask");
+  __regPriMask = (priMask);
+}
+
+
+#if       (__CORTEX_M >= 0x03)
+
+/** \brief  Enable FIQ
+
+    This function enables FIQ interrupts by clearing the F-bit in the CPSR.
+    Can only be executed in Privileged modes.
+ */
+#define __enable_fault_irq                __enable_fiq
+
+
+/** \brief  Disable FIQ
+
+    This function disables FIQ interrupts by setting the F-bit in the CPSR.
+    Can only be executed in Privileged modes.
+ */
+#define __disable_fault_irq               __disable_fiq
+
+
+/** \brief  Get Base Priority
+
+    This function returns the current value of the Base Priority register.
+
+    \return               Base Priority register value
+ */
+__STATIC_INLINE uint32_t  __get_BASEPRI(void)
+{
+  register uint32_t __regBasePri         __ASM("basepri");
+  return(__regBasePri);
+}
+
+
+/** \brief  Set Base Priority
+
+    This function assigns the given value to the Base Priority register.
+
+    \param [in]    basePri  Base Priority value to set
+ */
+__STATIC_INLINE void __set_BASEPRI(uint32_t basePri)
+{
+  register uint32_t __regBasePri         __ASM("basepri");
+  __regBasePri = (basePri & 0xff);
+}
+
+
+/** \brief  Get Fault Mask
+
+    This function returns the current value of the Fault Mask register.
+
+    \return               Fault Mask register value
+ */
+__STATIC_INLINE uint32_t __get_FAULTMASK(void)
+{
+  register uint32_t __regFaultMask       __ASM("faultmask");
+  return(__regFaultMask);
+}
+
+
+/** \brief  Set Fault Mask
+
+    This function assigns the given value to the Fault Mask register.
+
+    \param [in]    faultMask  Fault Mask value to set
+ */
+__STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
+{
+  register uint32_t __regFaultMask       __ASM("faultmask");
+  __regFaultMask = (faultMask & (uint32_t)1);
+}
+
+#endif /* (__CORTEX_M >= 0x03) */
+
+
+#if       (__CORTEX_M == 0x04)
+
+/** \brief  Get FPSCR
+
+    This function returns the current value of the Floating Point Status/Control register.
+
+    \return               Floating Point Status/Control register value
+ */
+__STATIC_INLINE uint32_t __get_FPSCR(void)
+{
+#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
+  register uint32_t __regfpscr         __ASM("fpscr");
+  return(__regfpscr);
+#else
+   return(0);
+#endif
+}
+
+
+/** \brief  Set FPSCR
+
+    This function assigns the given value to the Floating Point Status/Control register.
+
+    \param [in]    fpscr  Floating Point Status/Control value to set
+ */
+__STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
+{
+#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
+  register uint32_t __regfpscr         __ASM("fpscr");
+  __regfpscr = (fpscr);
+#endif
+}
+
+#endif /* (__CORTEX_M == 0x04) */
+
+
+#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/
+/* IAR iccarm specific functions */
+
+#include 
+
+
+#elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/
+/* TI CCS specific functions */
+
+#include 
+
+
+#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/
+/* GNU gcc specific functions */
+
+/** \brief  Enable IRQ Interrupts
+
+  This function enables IRQ interrupts by clearing the I-bit in the CPSR.
+  Can only be executed in Privileged modes.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_irq(void)
+{
+  __ASM volatile ("cpsie i" : : : "memory");
+}
+
+
+/** \brief  Disable IRQ Interrupts
+
+  This function disables IRQ interrupts by setting the I-bit in the CPSR.
+  Can only be executed in Privileged modes.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_irq(void)
+{
+  __ASM volatile ("cpsid i" : : : "memory");
+}
+
+
+/** \brief  Get Control Register
+
+    This function returns the content of the Control Register.
+
+    \return               Control Register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_CONTROL(void)
+{
+  uint32_t result;
+
+  __ASM volatile ("MRS %0, control" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Set Control Register
+
+    This function writes the given value to the Control Register.
+
+    \param [in]    control  Control Register value to set
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_CONTROL(uint32_t control)
+{
+  __ASM volatile ("MSR control, %0" : : "r" (control) );
+}
+
+
+/** \brief  Get IPSR Register
+
+    This function returns the content of the IPSR Register.
+
+    \return               IPSR Register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_IPSR(void)
+{
+  uint32_t result;
+
+  __ASM volatile ("MRS %0, ipsr" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Get APSR Register
+
+    This function returns the content of the APSR Register.
+
+    \return               APSR Register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_APSR(void)
+{
+  uint32_t result;
+
+  __ASM volatile ("MRS %0, apsr" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Get xPSR Register
+
+    This function returns the content of the xPSR Register.
+
+    \return               xPSR Register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_xPSR(void)
+{
+  uint32_t result;
+
+  __ASM volatile ("MRS %0, xpsr" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Get Process Stack Pointer
+
+    This function returns the current value of the Process Stack Pointer (PSP).
+
+    \return               PSP Register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PSP(void)
+{
+  register uint32_t result;
+
+  __ASM volatile ("MRS %0, psp\n"  : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Set Process Stack Pointer
+
+    This function assigns the given value to the Process Stack Pointer (PSP).
+
+    \param [in]    topOfProcStack  Process Stack Pointer value to set
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PSP(uint32_t topOfProcStack)
+{
+  __ASM volatile ("MSR psp, %0\n" : : "r" (topOfProcStack) );
+}
+
+
+/** \brief  Get Main Stack Pointer
+
+    This function returns the current value of the Main Stack Pointer (MSP).
+
+    \return               MSP Register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_MSP(void)
+{
+  register uint32_t result;
+
+  __ASM volatile ("MRS %0, msp\n" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Set Main Stack Pointer
+
+    This function assigns the given value to the Main Stack Pointer (MSP).
+
+    \param [in]    topOfMainStack  Main Stack Pointer value to set
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_MSP(uint32_t topOfMainStack)
+{
+  __ASM volatile ("MSR msp, %0\n" : : "r" (topOfMainStack) );
+}
+
+
+/** \brief  Get Priority Mask
+
+    This function returns the current state of the priority mask bit from the Priority Mask Register.
+
+    \return               Priority Mask value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_PRIMASK(void)
+{
+  uint32_t result;
+
+  __ASM volatile ("MRS %0, primask" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Set Priority Mask
+
+    This function assigns the given value to the Priority Mask Register.
+
+    \param [in]    priMask  Priority Mask
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_PRIMASK(uint32_t priMask)
+{
+  __ASM volatile ("MSR primask, %0" : : "r" (priMask) );
+}
+
+
+#if       (__CORTEX_M >= 0x03)
+
+/** \brief  Enable FIQ
+
+    This function enables FIQ interrupts by clearing the F-bit in the CPSR.
+    Can only be executed in Privileged modes.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __enable_fault_irq(void)
+{
+  __ASM volatile ("cpsie f" : : : "memory");
+}
+
+
+/** \brief  Disable FIQ
+
+    This function disables FIQ interrupts by setting the F-bit in the CPSR.
+    Can only be executed in Privileged modes.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __disable_fault_irq(void)
+{
+  __ASM volatile ("cpsid f" : : : "memory");
+}
+
+
+/** \brief  Get Base Priority
+
+    This function returns the current value of the Base Priority register.
+
+    \return               Base Priority register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_BASEPRI(void)
+{
+  uint32_t result;
+
+  __ASM volatile ("MRS %0, basepri_max" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Set Base Priority
+
+    This function assigns the given value to the Base Priority register.
+
+    \param [in]    basePri  Base Priority value to set
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_BASEPRI(uint32_t value)
+{
+  __ASM volatile ("MSR basepri, %0" : : "r" (value) );
+}
+
+
+/** \brief  Get Fault Mask
+
+    This function returns the current value of the Fault Mask register.
+
+    \return               Fault Mask register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FAULTMASK(void)
+{
+  uint32_t result;
+
+  __ASM volatile ("MRS %0, faultmask" : "=r" (result) );
+  return(result);
+}
+
+
+/** \brief  Set Fault Mask
+
+    This function assigns the given value to the Fault Mask register.
+
+    \param [in]    faultMask  Fault Mask value to set
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FAULTMASK(uint32_t faultMask)
+{
+  __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) );
+}
+
+#endif /* (__CORTEX_M >= 0x03) */
+
+
+#if       (__CORTEX_M == 0x04)
+
+/** \brief  Get FPSCR
+
+    This function returns the current value of the Floating Point Status/Control register.
+
+    \return               Floating Point Status/Control register value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __get_FPSCR(void)
+{
+#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
+  uint32_t result;
+
+  __ASM volatile ("VMRS %0, fpscr" : "=r" (result) );
+  return(result);
+#else
+   return(0);
+#endif
+}
+
+
+/** \brief  Set FPSCR
+
+    This function assigns the given value to the Floating Point Status/Control register.
+
+    \param [in]    fpscr  Floating Point Status/Control value to set
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __set_FPSCR(uint32_t fpscr)
+{
+#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
+  __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) );
+#endif
+}
+
+#endif /* (__CORTEX_M == 0x04) */
+
+
+#elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/
+/* TASKING carm specific functions */
+
+/*
+ * The CMSIS functions have been implemented as intrinsics in the compiler.
+ * Please use "carm -?i" to get an up to date list of all instrinsics,
+ * Including the CMSIS ones.
+ */
+
+#endif
+
+/*@} end of CMSIS_Core_RegAccFunctions */
+
+
+#endif /* __CORE_CMFUNC_H */
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/core_cmInstr.h b/libraries/mbed/vendor/NXP/cmsis/LPC1768/core_cmInstr.h
new file mode 100644
index 0000000000..eefce6f07f
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/core_cmInstr.h
@@ -0,0 +1,643 @@
+/**************************************************************************//**
+ * @file     core_cmInstr.h
+ * @brief    CMSIS Cortex-M Core Instruction Access Header File
+ * @version  V3.03
+ * @date     29. August 2012
+ *
+ * @note
+ * Copyright (C) 2009-2012 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M
+ * processor based microcontrollers.  This file can be freely distributed
+ * within development tools that are supporting such ARM based processors.
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+#ifndef __CORE_CMINSTR_H
+#define __CORE_CMINSTR_H
+
+
+/* ##########################  Core Instruction Access  ######################### */
+/** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface
+  Access to dedicated instructions
+  @{
+*/
+
+#if   defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
+/* ARM armcc specific functions */
+
+#if (__ARMCC_VERSION < 400677)
+  #error "Please use ARM Compiler Toolchain V4.0.677 or later!"
+#endif
+
+
+/** \brief  No Operation
+
+    No Operation does nothing. This instruction can be used for code alignment purposes.
+ */
+#define __NOP                             __nop
+
+
+/** \brief  Wait For Interrupt
+
+    Wait For Interrupt is a hint instruction that suspends execution
+    until one of a number of events occurs.
+ */
+#define __WFI                             __wfi
+
+
+/** \brief  Wait For Event
+
+    Wait For Event is a hint instruction that permits the processor to enter
+    a low-power state until one of a number of events occurs.
+ */
+#define __WFE                             __wfe
+
+
+/** \brief  Send Event
+
+    Send Event is a hint instruction. It causes an event to be signaled to the CPU.
+ */
+#define __SEV                             __sev
+
+
+/** \brief  Instruction Synchronization Barrier
+
+    Instruction Synchronization Barrier flushes the pipeline in the processor,
+    so that all instructions following the ISB are fetched from cache or
+    memory, after the instruction has been completed.
+ */
+#define __ISB()                           __isb(0xF)
+
+
+/** \brief  Data Synchronization Barrier
+
+    This function acts as a special kind of Data Memory Barrier.
+    It completes when all explicit memory accesses before this instruction complete.
+ */
+#define __DSB()                           __dsb(0xF)
+
+
+/** \brief  Data Memory Barrier
+
+    This function ensures the apparent order of the explicit memory operations before
+    and after the instruction, without ensuring their completion.
+ */
+#define __DMB()                           __dmb(0xF)
+
+
+/** \brief  Reverse byte order (32 bit)
+
+    This function reverses the byte order in integer value.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+#define __REV                             __rev
+
+
+/** \brief  Reverse byte order (16 bit)
+
+    This function reverses the byte order in two unsigned short values.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+#ifndef __NO_EMBEDDED_ASM
+__attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint32_t __REV16(uint32_t value)
+{
+  rev16 r0, r0
+  bx lr
+}
+#endif
+
+/** \brief  Reverse byte order in signed short value
+
+    This function reverses the byte order in a signed short value with sign extension to integer.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+#ifndef __NO_EMBEDDED_ASM
+__attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int32_t __REVSH(int32_t value)
+{
+  revsh r0, r0
+  bx lr
+}
+#endif
+
+
+/** \brief  Rotate Right in unsigned value (32 bit)
+
+    This function Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
+
+    \param [in]    value  Value to rotate
+    \param [in]    value  Number of Bits to rotate
+    \return               Rotated value
+ */
+#define __ROR                             __ror
+
+
+/** \brief  Breakpoint
+
+    This function causes the processor to enter Debug state.
+    Debug tools can use this to investigate system state when the instruction at a particular address is reached.
+
+    \param [in]    value  is ignored by the processor.
+                   If required, a debugger can use it to store additional information about the breakpoint.
+ */
+#define __BKPT(value)                       __breakpoint(value)
+
+
+#if       (__CORTEX_M >= 0x03)
+
+/** \brief  Reverse bit order of value
+
+    This function reverses the bit order of the given value.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+#define __RBIT                            __rbit
+
+
+/** \brief  LDR Exclusive (8 bit)
+
+    This function performs a exclusive LDR command for 8 bit value.
+
+    \param [in]    ptr  Pointer to data
+    \return             value of type uint8_t at (*ptr)
+ */
+#define __LDREXB(ptr)                     ((uint8_t ) __ldrex(ptr))
+
+
+/** \brief  LDR Exclusive (16 bit)
+
+    This function performs a exclusive LDR command for 16 bit values.
+
+    \param [in]    ptr  Pointer to data
+    \return        value of type uint16_t at (*ptr)
+ */
+#define __LDREXH(ptr)                     ((uint16_t) __ldrex(ptr))
+
+
+/** \brief  LDR Exclusive (32 bit)
+
+    This function performs a exclusive LDR command for 32 bit values.
+
+    \param [in]    ptr  Pointer to data
+    \return        value of type uint32_t at (*ptr)
+ */
+#define __LDREXW(ptr)                     ((uint32_t ) __ldrex(ptr))
+
+
+/** \brief  STR Exclusive (8 bit)
+
+    This function performs a exclusive STR command for 8 bit values.
+
+    \param [in]  value  Value to store
+    \param [in]    ptr  Pointer to location
+    \return          0  Function succeeded
+    \return          1  Function failed
+ */
+#define __STREXB(value, ptr)              __strex(value, ptr)
+
+
+/** \brief  STR Exclusive (16 bit)
+
+    This function performs a exclusive STR command for 16 bit values.
+
+    \param [in]  value  Value to store
+    \param [in]    ptr  Pointer to location
+    \return          0  Function succeeded
+    \return          1  Function failed
+ */
+#define __STREXH(value, ptr)              __strex(value, ptr)
+
+
+/** \brief  STR Exclusive (32 bit)
+
+    This function performs a exclusive STR command for 32 bit values.
+
+    \param [in]  value  Value to store
+    \param [in]    ptr  Pointer to location
+    \return          0  Function succeeded
+    \return          1  Function failed
+ */
+#define __STREXW(value, ptr)              __strex(value, ptr)
+
+
+/** \brief  Remove the exclusive lock
+
+    This function removes the exclusive lock which is created by LDREX.
+
+ */
+#define __CLREX                           __clrex
+
+
+/** \brief  Signed Saturate
+
+    This function saturates a signed value.
+
+    \param [in]  value  Value to be saturated
+    \param [in]    sat  Bit position to saturate to (1..32)
+    \return             Saturated value
+ */
+#define __SSAT                            __ssat
+
+
+/** \brief  Unsigned Saturate
+
+    This function saturates an unsigned value.
+
+    \param [in]  value  Value to be saturated
+    \param [in]    sat  Bit position to saturate to (0..31)
+    \return             Saturated value
+ */
+#define __USAT                            __usat
+
+
+/** \brief  Count leading zeros
+
+    This function counts the number of leading zeros of a data value.
+
+    \param [in]  value  Value to count the leading zeros
+    \return             number of leading zeros in value
+ */
+#define __CLZ                             __clz
+
+#endif /* (__CORTEX_M >= 0x03) */
+
+
+
+#elif defined ( __ICCARM__ ) /*------------------ ICC Compiler -------------------*/
+/* IAR iccarm specific functions */
+
+#include 
+
+
+#elif defined ( __TMS470__ ) /*---------------- TI CCS Compiler ------------------*/
+/* TI CCS specific functions */
+
+#include 
+
+
+#elif defined ( __GNUC__ ) /*------------------ GNU Compiler ---------------------*/
+/* GNU gcc specific functions */
+
+/** \brief  No Operation
+
+    No Operation does nothing. This instruction can be used for code alignment purposes.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __NOP(void)
+{
+  __ASM volatile ("nop");
+}
+
+
+/** \brief  Wait For Interrupt
+
+    Wait For Interrupt is a hint instruction that suspends execution
+    until one of a number of events occurs.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __WFI(void)
+{
+  __ASM volatile ("wfi");
+}
+
+
+/** \brief  Wait For Event
+
+    Wait For Event is a hint instruction that permits the processor to enter
+    a low-power state until one of a number of events occurs.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __WFE(void)
+{
+  __ASM volatile ("wfe");
+}
+
+
+/** \brief  Send Event
+
+    Send Event is a hint instruction. It causes an event to be signaled to the CPU.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __SEV(void)
+{
+  __ASM volatile ("sev");
+}
+
+
+/** \brief  Instruction Synchronization Barrier
+
+    Instruction Synchronization Barrier flushes the pipeline in the processor,
+    so that all instructions following the ISB are fetched from cache or
+    memory, after the instruction has been completed.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __ISB(void)
+{
+  __ASM volatile ("isb");
+}
+
+
+/** \brief  Data Synchronization Barrier
+
+    This function acts as a special kind of Data Memory Barrier.
+    It completes when all explicit memory accesses before this instruction complete.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __DSB(void)
+{
+  __ASM volatile ("dsb");
+}
+
+
+/** \brief  Data Memory Barrier
+
+    This function ensures the apparent order of the explicit memory operations before
+    and after the instruction, without ensuring their completion.
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __DMB(void)
+{
+  __ASM volatile ("dmb");
+}
+
+
+/** \brief  Reverse byte order (32 bit)
+
+    This function reverses the byte order in integer value.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __REV(uint32_t value)
+{
+  uint32_t result;
+
+  __ASM volatile ("rev %0, %1" : "=r" (result) : "r" (value) );
+  return(result);
+}
+
+
+/** \brief  Reverse byte order (16 bit)
+
+    This function reverses the byte order in two unsigned short values.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __REV16(uint32_t value)
+{
+  uint32_t result;
+
+  __ASM volatile ("rev16 %0, %1" : "=r" (result) : "r" (value) );
+  return(result);
+}
+
+
+/** \brief  Reverse byte order in signed short value
+
+    This function reverses the byte order in a signed short value with sign extension to integer.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE int32_t __REVSH(int32_t value)
+{
+  uint32_t result;
+
+  __ASM volatile ("revsh %0, %1" : "=r" (result) : "r" (value) );
+  return(result);
+}
+
+
+/** \brief  Rotate Right in unsigned value (32 bit)
+
+    This function Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits.
+
+    \param [in]    value  Value to rotate
+    \param [in]    value  Number of Bits to rotate
+    \return               Rotated value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __ROR(uint32_t op1, uint32_t op2)
+{
+
+  __ASM volatile ("ror %0, %0, %1" : "+r" (op1) : "r" (op2) );
+  return(op1);
+}
+
+
+/** \brief  Breakpoint
+
+    This function causes the processor to enter Debug state.
+    Debug tools can use this to investigate system state when the instruction at a particular address is reached.
+
+    \param [in]    value  is ignored by the processor.
+                   If required, a debugger can use it to store additional information about the breakpoint.
+ */
+#define __BKPT(value)                       __ASM volatile ("bkpt "#value)
+
+
+#if       (__CORTEX_M >= 0x03)
+
+/** \brief  Reverse bit order of value
+
+    This function reverses the bit order of the given value.
+
+    \param [in]    value  Value to reverse
+    \return               Reversed value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __RBIT(uint32_t value)
+{
+  uint32_t result;
+
+   __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
+   return(result);
+}
+
+
+/** \brief  LDR Exclusive (8 bit)
+
+    This function performs a exclusive LDR command for 8 bit value.
+
+    \param [in]    ptr  Pointer to data
+    \return             value of type uint8_t at (*ptr)
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint8_t __LDREXB(volatile uint8_t *addr)
+{
+    uint8_t result;
+
+   __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) );
+   return(result);
+}
+
+
+/** \brief  LDR Exclusive (16 bit)
+
+    This function performs a exclusive LDR command for 16 bit values.
+
+    \param [in]    ptr  Pointer to data
+    \return        value of type uint16_t at (*ptr)
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint16_t __LDREXH(volatile uint16_t *addr)
+{
+    uint16_t result;
+
+   __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) );
+   return(result);
+}
+
+
+/** \brief  LDR Exclusive (32 bit)
+
+    This function performs a exclusive LDR command for 32 bit values.
+
+    \param [in]    ptr  Pointer to data
+    \return        value of type uint32_t at (*ptr)
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __LDREXW(volatile uint32_t *addr)
+{
+    uint32_t result;
+
+   __ASM volatile ("ldrex %0, [%1]" : "=r" (result) : "r" (addr) );
+   return(result);
+}
+
+
+/** \brief  STR Exclusive (8 bit)
+
+    This function performs a exclusive STR command for 8 bit values.
+
+    \param [in]  value  Value to store
+    \param [in]    ptr  Pointer to location
+    \return          0  Function succeeded
+    \return          1  Function failed
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr)
+{
+   uint32_t result;
+
+   __ASM volatile ("strexb %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
+   return(result);
+}
+
+
+/** \brief  STR Exclusive (16 bit)
+
+    This function performs a exclusive STR command for 16 bit values.
+
+    \param [in]  value  Value to store
+    \param [in]    ptr  Pointer to location
+    \return          0  Function succeeded
+    \return          1  Function failed
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr)
+{
+   uint32_t result;
+
+   __ASM volatile ("strexh %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
+   return(result);
+}
+
+
+/** \brief  STR Exclusive (32 bit)
+
+    This function performs a exclusive STR command for 32 bit values.
+
+    \param [in]  value  Value to store
+    \param [in]    ptr  Pointer to location
+    \return          0  Function succeeded
+    \return          1  Function failed
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr)
+{
+   uint32_t result;
+
+   __ASM volatile ("strex %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
+   return(result);
+}
+
+
+/** \brief  Remove the exclusive lock
+
+    This function removes the exclusive lock which is created by LDREX.
+
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE void __CLREX(void)
+{
+  __ASM volatile ("clrex");
+}
+
+
+/** \brief  Signed Saturate
+
+    This function saturates a signed value.
+
+    \param [in]  value  Value to be saturated
+    \param [in]    sat  Bit position to saturate to (1..32)
+    \return             Saturated value
+ */
+#define __SSAT(ARG1,ARG2) \
+({                          \
+  uint32_t __RES, __ARG1 = (ARG1); \
+  __ASM ("ssat %0, %1, %2" : "=r" (__RES) :  "I" (ARG2), "r" (__ARG1) ); \
+  __RES; \
+ })
+
+
+/** \brief  Unsigned Saturate
+
+    This function saturates an unsigned value.
+
+    \param [in]  value  Value to be saturated
+    \param [in]    sat  Bit position to saturate to (0..31)
+    \return             Saturated value
+ */
+#define __USAT(ARG1,ARG2) \
+({                          \
+  uint32_t __RES, __ARG1 = (ARG1); \
+  __ASM ("usat %0, %1, %2" : "=r" (__RES) :  "I" (ARG2), "r" (__ARG1) ); \
+  __RES; \
+ })
+
+
+/** \brief  Count leading zeros
+
+    This function counts the number of leading zeros of a data value.
+
+    \param [in]  value  Value to count the leading zeros
+    \return             number of leading zeros in value
+ */
+__attribute__( ( always_inline ) ) __STATIC_INLINE uint8_t __CLZ(uint32_t value)
+{
+  uint8_t result;
+
+  __ASM volatile ("clz %0, %1" : "=r" (result) : "r" (value) );
+  return(result);
+}
+
+#endif /* (__CORTEX_M >= 0x03) */
+
+
+
+
+#elif defined ( __TASKING__ ) /*------------------ TASKING Compiler --------------*/
+/* TASKING carm specific functions */
+
+/*
+ * The CMSIS functions have been implemented as intrinsics in the compiler.
+ * Please use "carm -?i" to get an up to date list of all intrinsics,
+ * Including the CMSIS ones.
+ */
+
+#endif
+
+/*@}*/ /* end of group CMSIS_Core_InstructionInterface */
+
+#endif /* __CORE_CMINSTR_H */
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/system_LPC17xx.c b/libraries/mbed/vendor/NXP/cmsis/LPC1768/system_LPC17xx.c
new file mode 100644
index 0000000000..69bcdfb421
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/system_LPC17xx.c
@@ -0,0 +1,589 @@
+/**************************************************************************//**
+ * @file     system_LPC17xx.c
+ * @brief    CMSIS Cortex-M3 Device System Source File for
+ *           NXP LPC17xx Device Series
+ * @version  V1.11
+ * @date     21. June 2011
+ *
+ * @note
+ * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M
+ * processor based microcontrollers.  This file can be freely distributed
+ * within development tools that are supporting such ARM based processors.
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+
+#include 
+#include "LPC17xx.h"
+
+
+/** @addtogroup LPC17xx_System
+ * @{
+ */
+
+/*
+//-------- <<< Use Configuration Wizard in Context Menu >>> ------------------
+*/
+
+/*--------------------- Clock Configuration ----------------------------------
+//
+//  Clock Configuration
+//    System Controls and Status Register (SCS)
+//         OSCRANGE: Main Oscillator Range Select
+//                     <0=>  1 MHz to 20 MHz
+//                     <1=> 15 MHz to 25 MHz
+//            OSCEN: Main Oscillator Enable
+//     
+//   
+//
+//    Clock Source Select Register (CLKSRCSEL)
+//        CLKSRC: PLL Clock Source Selection
+//                     <0=> Internal RC oscillator
+//                     <1=> Main oscillator
+//                     <2=> RTC oscillator
+//   
+//
+//    PLL0 Configuration (Main PLL)
+//      PLL0 Configuration Register (PLL0CFG)
+//                      F_cco0 = (2 * M * F_in) / N
+//                      F_in must be in the range of 32 kHz to 50 MHz
+//                      F_cco0 must be in the range of 275 MHz to 550 MHz
+//         MSEL: PLL Multiplier Selection
+//                     <6-32768><#-1>
+//                      M Value
+//        NSEL: PLL Divider Selection
+//                     <1-256><#-1>
+//                      N Value
+//     
+//   
+//
+//    PLL1 Configuration (USB PLL)
+//      PLL1 Configuration Register (PLL1CFG)
+//                      F_usb = M * F_osc or F_usb = F_cco1 / (2 * P)
+//                      F_cco1 = F_osc * M * 2 * P
+//                      F_cco1 must be in the range of 156 MHz to 320 MHz
+//          MSEL: PLL Multiplier Selection
+//                     <1-32><#-1>
+//                      M Value (for USB maximum value is 4)
+//          PSEL: PLL Divider Selection
+//                     <0=> 1
+//                     <1=> 2
+//                     <2=> 4
+//                     <3=> 8
+//                      P Value
+//     
+//   
+//
+//    CPU Clock Configuration Register (CCLKCFG)
+//       CCLKSEL: Divide Value for CPU Clock from PLL0
+//                     <1-256><#-1>
+//   
+//
+//    USB Clock Configuration Register (USBCLKCFG)
+//        USBSEL: Divide Value for USB Clock from PLL0
+//                     <0-15>
+//                      Divide is USBSEL + 1
+//   
+//
+//    Peripheral Clock Selection Register 0 (PCLKSEL0)
+//         PCLK_WDT: Peripheral Clock Selection for WDT
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//         PCLK_TIMER0: Peripheral Clock Selection for TIMER0
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//         PCLK_TIMER1: Peripheral Clock Selection for TIMER1
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//         PCLK_UART0: Peripheral Clock Selection for UART0
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//         PCLK_UART1: Peripheral Clock Selection for UART1
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//       PCLK_PWM1: Peripheral Clock Selection for PWM1
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//       PCLK_I2C0: Peripheral Clock Selection for I2C0
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//       PCLK_SPI: Peripheral Clock Selection for SPI
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//       PCLK_SSP1: Peripheral Clock Selection for SSP1
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//       PCLK_DAC: Peripheral Clock Selection for DAC
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//       PCLK_ADC: Peripheral Clock Selection for ADC
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//       PCLK_CAN1: Peripheral Clock Selection for CAN1
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 6
+//       PCLK_CAN2: Peripheral Clock Selection for CAN2
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 6
+//       PCLK_ACF: Peripheral Clock Selection for ACF
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 6
+//   
+//
+//    Peripheral Clock Selection Register 1 (PCLKSEL1)
+//        PCLK_QEI: Peripheral Clock Selection for the Quadrature Encoder Interface
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//        PCLK_GPIO: Peripheral Clock Selection for GPIOs
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//        PCLK_PCB: Peripheral Clock Selection for the Pin Connect Block
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//        PCLK_I2C1: Peripheral Clock Selection for I2C1
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//      PCLK_SSP0: Peripheral Clock Selection for SSP0
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//      PCLK_TIMER2: Peripheral Clock Selection for TIMER2
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//      PCLK_TIMER3: Peripheral Clock Selection for TIMER3
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//      PCLK_UART2: Peripheral Clock Selection for UART2
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//      PCLK_UART3: Peripheral Clock Selection for UART3
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//      PCLK_I2C2: Peripheral Clock Selection for I2C2
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//      PCLK_I2S: Peripheral Clock Selection for I2S
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//      PCLK_RIT: Peripheral Clock Selection for the Repetitive Interrupt Timer
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//      PCLK_SYSCON: Peripheral Clock Selection for the System Control Block
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//      PCLK_MC: Peripheral Clock Selection for the Motor Control PWM
+//                     <0=> Pclk = Cclk / 4
+//                     <1=> Pclk = Cclk
+//                     <2=> Pclk = Cclk / 2
+//                     <3=> Pclk = Hclk / 8
+//   
+//
+//    Power Control for Peripherals Register (PCONP)
+//           PCTIM0: Timer/Counter 0 power/clock enable
+//           PCTIM1: Timer/Counter 1 power/clock enable
+//           PCUART0: UART 0 power/clock enable
+//           PCUART1: UART 1 power/clock enable
+//           PCPWM1: PWM 1 power/clock enable
+//           PCI2C0: I2C interface 0 power/clock enable
+//           PCSPI: SPI interface power/clock enable
+//           PCRTC: RTC power/clock enable
+//          PCSSP1: SSP interface 1 power/clock enable
+//          PCAD: A/D converter power/clock enable
+//          PCCAN1: CAN controller 1 power/clock enable
+//          PCCAN2: CAN controller 2 power/clock enable
+//          PCGPIO: GPIOs power/clock enable
+//          PCRIT: Repetitive interrupt timer power/clock enable
+//          PCMC: Motor control PWM power/clock enable
+//          PCQEI: Quadrature encoder interface power/clock enable
+//          PCI2C1: I2C interface 1 power/clock enable
+//          PCSSP0: SSP interface 0 power/clock enable
+//          PCTIM2: Timer 2 power/clock enable
+//          PCTIM3: Timer 3 power/clock enable
+//          PCUART2: UART 2 power/clock enable
+//          PCUART3: UART 3 power/clock enable
+//          PCI2C2: I2C interface 2 power/clock enable
+//          PCI2S: I2S interface power/clock enable
+//          PCGPDMA: GP DMA function power/clock enable
+//          PCENET: Ethernet block power/clock enable
+//          PCUSB: USB interface power/clock enable
+//   
+//
+//    Clock Output Configuration Register (CLKOUTCFG)
+//        CLKOUTSEL: Selects clock source for CLKOUT
+//                     <0=> CPU clock
+//                     <1=> Main oscillator
+//                     <2=> Internal RC oscillator
+//                     <3=> USB clock
+//                     <4=> RTC oscillator
+//        CLKOUTDIV: Selects clock divider for CLKOUT
+//                     <1-16><#-1>
+//           CLKOUT_EN: CLKOUT enable control
+//   
+//
+// 
+*/
+
+
+
+/** @addtogroup LPC17xx_System_Defines  LPC17xx System Defines
+  @{
+ */
+
+#define CLOCK_SETUP           1
+#define SCS_Val               0x00000020
+#define CLKSRCSEL_Val         0x00000001
+#define PLL0_SETUP            1
+
+#ifdef MCB1700
+#    define PLL0CFG_Val           0x00050063
+#    define PLL1_SETUP            1
+#    define PLL1CFG_Val           0x00000023
+#    define CCLKCFG_Val           0x00000003
+#    define USBCLKCFG_Val         0x00000000
+#else
+#    define PLL0CFG_Val           0x0000000B
+#    define PLL1_SETUP            0
+#    define PLL1CFG_Val           0x00000000
+#    define CCLKCFG_Val           0x00000002
+#    define USBCLKCFG_Val         0x00000005
+#endif
+
+#define PCLKSEL0_Val          0x00000000
+#define PCLKSEL1_Val          0x00000000
+#define PCONP_Val             0x042887DE
+#define CLKOUTCFG_Val         0x00000000
+
+
+/*--------------------- Flash Accelerator Configuration ----------------------
+//
+//  Flash Accelerator Configuration
+//    FLASHTIM: Flash Access Time
+//               <0=> 1 CPU clock (for CPU clock up to 20 MHz)
+//               <1=> 2 CPU clocks (for CPU clock up to 40 MHz)
+//               <2=> 3 CPU clocks (for CPU clock up to 60 MHz)
+//               <3=> 4 CPU clocks (for CPU clock up to 80 MHz)
+//               <4=> 5 CPU clocks (for CPU clock up to 100 MHz)
+//               <5=> 6 CPU clocks (for any CPU clock)
+// 
+*/
+#define FLASH_SETUP           1
+#define FLASHCFG_Val          0x0000303A
+
+/*
+//-------- <<< end of configuration section >>> ------------------------------
+*/
+
+/*----------------------------------------------------------------------------
+  Check the register settings
+ *----------------------------------------------------------------------------*/
+#define CHECK_RANGE(val, min, max)                ((val < min) || (val > max))
+#define CHECK_RSVD(val, mask)                     (val & mask)
+
+/* Clock Configuration -------------------------------------------------------*/
+#if (CHECK_RSVD((SCS_Val),       ~0x00000030))
+   #error "SCS: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RANGE((CLKSRCSEL_Val), 0, 2))
+   #error "CLKSRCSEL: Value out of range!"
+#endif
+
+#if (CHECK_RSVD((PLL0CFG_Val),   ~0x00FF7FFF))
+   #error "PLL0CFG: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RSVD((PLL1CFG_Val),   ~0x0000007F))
+   #error "PLL1CFG: Invalid values of reserved bits!"
+#endif
+
+#if (PLL0_SETUP)            /* if PLL0 is used */
+  #if (CCLKCFG_Val < 2)     /* CCLKSEL must be greater then 1 */
+    #error "CCLKCFG: CCLKSEL must be greater then 1 if PLL0 is used!"
+  #endif
+#endif
+
+#if (CHECK_RANGE((CCLKCFG_Val), 2, 255))
+   #error "CCLKCFG: Value out of range!"
+#endif
+
+#if (CHECK_RSVD((USBCLKCFG_Val), ~0x0000000F))
+   #error "USBCLKCFG: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RSVD((PCLKSEL0_Val),   0x000C0C00))
+   #error "PCLKSEL0: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RSVD((PCLKSEL1_Val),   0x03000300))
+   #error "PCLKSEL1: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RSVD((PCONP_Val),      0x10100821))
+   #error "PCONP: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RSVD((CLKOUTCFG_Val), ~0x000001FF))
+   #error "CLKOUTCFG: Invalid values of reserved bits!"
+#endif
+
+/* Flash Accelerator Configuration -------------------------------------------*/
+#if (CHECK_RSVD((FLASHCFG_Val), ~0x0000F07F))
+   #error "FLASHCFG: Invalid values of reserved bits!"
+#endif
+
+
+/*----------------------------------------------------------------------------
+  DEFINES
+ *----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+  Define clocks
+ *----------------------------------------------------------------------------*/
+#define XTAL        (12000000UL)        /* Oscillator frequency               */
+#define OSC_CLK     (      XTAL)        /* Main oscillator frequency          */
+#define RTC_CLK     (   32000UL)        /* RTC oscillator frequency           */
+#define IRC_OSC     ( 4000000UL)        /* Internal RC oscillator frequency   */
+
+
+/* F_cco0 = (2 * M * F_in) / N  */
+#define __M               (((PLL0CFG_Val      ) & 0x7FFF) + 1)
+#define __N               (((PLL0CFG_Val >> 16) & 0x00FF) + 1)
+#define __FCCO(__F_IN)    ((2ULL * __M * __F_IN) / __N)
+#define __CCLK_DIV        (((CCLKCFG_Val      ) & 0x00FF) + 1)
+
+/* Determine core clock frequency according to settings */
+ #if (PLL0_SETUP)
+    #if   ((CLKSRCSEL_Val & 0x03) == 1)
+        #define __CORE_CLK (__FCCO(OSC_CLK) / __CCLK_DIV)
+    #elif ((CLKSRCSEL_Val & 0x03) == 2)
+        #define __CORE_CLK (__FCCO(RTC_CLK) / __CCLK_DIV)
+    #else
+        #define __CORE_CLK (__FCCO(IRC_OSC) / __CCLK_DIV)
+    #endif
+ #else
+    #if   ((CLKSRCSEL_Val & 0x03) == 1)
+        #define __CORE_CLK (OSC_CLK         / __CCLK_DIV)
+    #elif ((CLKSRCSEL_Val & 0x03) == 2)
+        #define __CORE_CLK (RTC_CLK         / __CCLK_DIV)
+    #else
+        #define __CORE_CLK (IRC_OSC         / __CCLK_DIV)
+    #endif
+ #endif
+
+/**
+ * @}
+ */
+
+
+/** @addtogroup LPC17xx_System_Public_Variables  LPC17xx System Public Variables
+  @{
+ */
+/*----------------------------------------------------------------------------
+  Clock Variable definitions
+ *----------------------------------------------------------------------------*/
+uint32_t SystemCoreClock = __CORE_CLK;/*!< System Clock Frequency (Core Clock)*/
+
+/**
+ * @}
+ */
+
+
+/** @addtogroup LPC17xx_System_Public_Functions  LPC17xx System Public Functions
+  @{
+ */
+
+/**
+ * Update SystemCoreClock variable
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Updates the SystemCoreClock with current core Clock
+ *         retrieved from cpu registers.
+ */void SystemCoreClockUpdate (void)            /* Get Core Clock Frequency      */
+{
+  /* Determine clock frequency according to clock register values             */
+  if (((LPC_SC->PLL0STAT >> 24) & 3) == 3) { /* If PLL0 enabled and connected */
+    switch (LPC_SC->CLKSRCSEL & 0x03) {
+      case 0:                                /* Int. RC oscillator => PLL0    */
+      case 3:                                /* Reserved, default to Int. RC  */
+        SystemCoreClock = (IRC_OSC *
+                          ((2ULL * ((LPC_SC->PLL0STAT & 0x7FFF) + 1)))  /
+                          (((LPC_SC->PLL0STAT >> 16) & 0xFF) + 1)       /
+                          ((LPC_SC->CCLKCFG & 0xFF)+ 1));
+        break;
+      case 1:                                /* Main oscillator => PLL0       */
+        SystemCoreClock = (OSC_CLK *
+                          ((2ULL * ((LPC_SC->PLL0STAT & 0x7FFF) + 1)))  /
+                          (((LPC_SC->PLL0STAT >> 16) & 0xFF) + 1)       /
+                          ((LPC_SC->CCLKCFG & 0xFF)+ 1));
+        break;
+      case 2:                                /* RTC oscillator => PLL0        */
+        SystemCoreClock = (RTC_CLK *
+                          ((2ULL * ((LPC_SC->PLL0STAT & 0x7FFF) + 1)))  /
+                          (((LPC_SC->PLL0STAT >> 16) & 0xFF) + 1)       /
+                          ((LPC_SC->CCLKCFG & 0xFF)+ 1));
+        break;
+    }
+  } else {
+    switch (LPC_SC->CLKSRCSEL & 0x03) {
+      case 0:                                /* Int. RC oscillator => PLL0    */
+      case 3:                                /* Reserved, default to Int. RC  */
+        SystemCoreClock = IRC_OSC / ((LPC_SC->CCLKCFG & 0xFF)+ 1);
+        break;
+      case 1:                                /* Main oscillator => PLL0       */
+        SystemCoreClock = OSC_CLK / ((LPC_SC->CCLKCFG & 0xFF)+ 1);
+        break;
+      case 2:                                /* RTC oscillator => PLL0        */
+        SystemCoreClock = RTC_CLK / ((LPC_SC->CCLKCFG & 0xFF)+ 1);
+        break;
+    }
+  }
+
+}
+
+// Make sure we are pulling in the retargeting module at link time
+extern int stdio_retargeting_module;
+
+/**
+ * Initialize the system
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Setup the microcontroller system.
+ *         Initialize the System.
+ */
+void SystemInit (void)
+{
+#if (CLOCK_SETUP)                       /* Clock Setup                        */
+  LPC_SC->SCS       = SCS_Val;
+  if (LPC_SC->SCS & (1 << 5)) {             /* If Main Oscillator is enabled  */
+    while ((LPC_SC->SCS & (1<<6)) == 0);/* Wait for Oscillator to be ready    */
+  }
+
+  LPC_SC->CCLKCFG   = CCLKCFG_Val;      /* Setup Clock Divider                */
+  /* Periphral clock must be selected before PLL0 enabling and connecting
+   * - according errata.lpc1768-16.March.2010 -
+   */
+  LPC_SC->PCLKSEL0  = PCLKSEL0_Val;     /* Peripheral Clock Selection         */
+  LPC_SC->PCLKSEL1  = PCLKSEL1_Val;
+
+#if (PLL0_SETUP)
+  LPC_SC->CLKSRCSEL = CLKSRCSEL_Val;    /* Select Clock Source for PLL0       */
+
+  LPC_SC->PLL0CFG   = PLL0CFG_Val;      /* configure PLL0                     */
+  LPC_SC->PLL0FEED  = 0xAA;
+  LPC_SC->PLL0FEED  = 0x55;
+
+  LPC_SC->PLL0CON   = 0x01;             /* PLL0 Enable                        */
+  LPC_SC->PLL0FEED  = 0xAA;
+  LPC_SC->PLL0FEED  = 0x55;
+  while (!(LPC_SC->PLL0STAT & (1<<26)));/* Wait for PLOCK0                    */
+
+  LPC_SC->PLL0CON   = 0x03;             /* PLL0 Enable & Connect              */
+  LPC_SC->PLL0FEED  = 0xAA;
+  LPC_SC->PLL0FEED  = 0x55;
+  while (!(LPC_SC->PLL0STAT & ((1<<25) | (1<<24))));/* Wait for PLLC0_STAT & PLLE0_STAT */
+#endif
+
+#if (PLL1_SETUP)
+  LPC_SC->PLL1CFG   = PLL1CFG_Val;
+  LPC_SC->PLL1FEED  = 0xAA;
+  LPC_SC->PLL1FEED  = 0x55;
+
+  LPC_SC->PLL1CON   = 0x01;             /* PLL1 Enable                        */
+  LPC_SC->PLL1FEED  = 0xAA;
+  LPC_SC->PLL1FEED  = 0x55;
+  while (!(LPC_SC->PLL1STAT & (1<<10)));/* Wait for PLOCK1                    */
+
+  LPC_SC->PLL1CON   = 0x03;             /* PLL1 Enable & Connect              */
+  LPC_SC->PLL1FEED  = 0xAA;
+  LPC_SC->PLL1FEED  = 0x55;
+  while (!(LPC_SC->PLL1STAT & ((1<< 9) | (1<< 8))));/* Wait for PLLC1_STAT & PLLE1_STAT */
+#else
+  LPC_SC->USBCLKCFG = USBCLKCFG_Val;    /* Setup USB Clock Divider            */
+#endif
+
+  LPC_SC->PCONP     = PCONP_Val;        /* Power Control for Peripherals      */
+
+  LPC_SC->CLKOUTCFG = CLKOUTCFG_Val;    /* Clock Output Configuration         */
+#endif
+
+#if (FLASH_SETUP == 1)                  /* Flash Accelerator Setup            */
+  LPC_SC->FLASHCFG  = (LPC_SC->FLASHCFG & ~0x0000F000) | FLASHCFG_Val;
+#endif
+  
+  stdio_retargeting_module = 1;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/system_LPC17xx.h b/libraries/mbed/vendor/NXP/cmsis/LPC1768/system_LPC17xx.h
new file mode 100644
index 0000000000..c8e522f0bc
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/system_LPC17xx.h
@@ -0,0 +1,60 @@
+/******************************************************************************
+ * @file:    system_LPC17xx.h
+ * @purpose: CMSIS Cortex-M3 Device Peripheral Access Layer Header File
+ *           for the NXP LPC17xx Device Series 
+ * @version: V1.02
+ * @date:    27. July 2009
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (C) 2009 ARM Limited. All rights reserved.
+ *
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M3 
+ * processor based microcontrollers.  This file can be freely distributed 
+ * within development tools that are supporting such ARM based processors. 
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+
+#ifndef __SYSTEM_LPC17xx_H
+#define __SYSTEM_LPC17xx_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif 
+
+extern uint32_t SystemCoreClock;     /*!< System Clock Frequency (Core Clock)  */
+
+
+/**
+ * Initialize the system
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Setup the microcontroller system.
+ *         Initialize the System and update the SystemCoreClock variable.
+ */
+extern void SystemInit (void);
+
+/**
+ * Update SystemCoreClock variable
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Updates the SystemCoreClock with current core Clock 
+ *         retrieved from cpu registers.
+ */
+extern void SystemCoreClockUpdate (void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __SYSTEM_LPC17xx_H */
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/uARM/LPC1768.sct b/libraries/mbed/vendor/NXP/cmsis/LPC1768/uARM/LPC1768.sct
new file mode 100644
index 0000000000..56b9495f95
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/uARM/LPC1768.sct
@@ -0,0 +1,22 @@
+
+LR_IROM1 0x00000000 0x80000  {    ; load region size_region
+  ER_IROM1 0x00000000 0x80000  {  ; load address = execution address
+   *.o (RESET, +First)
+   *(InRoot$$Sections)
+   .ANY (+RO)
+  }
+  ; 8_byte_aligned(49 vect * 4 bytes) =  8_byte_aligned(0xC4) = 0xC8
+  ; 32KB - 0xC8 = 0x7F38
+  RW_IRAM1 0x100000C8 0x7F38  {
+   .ANY (+RW +ZI)
+  }
+  RW_IRAM2 0x2007C000 0x4000  {  ; RW data, USB RAM
+   .ANY (AHBSRAM0)
+  }
+  RW_IRAM3 0x20080000 0x4000  {  ; RW data, ETH RAM
+   .ANY (AHBSRAM1)
+  }
+  RW_IRAM4 0x40038000 0x0800  {  ; RW data, CAN RAM
+   .ANY (CANRAM)
+  }
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/uARM/startup_LPC17xx.s b/libraries/mbed/vendor/NXP/cmsis/LPC1768/uARM/startup_LPC17xx.s
new file mode 100644
index 0000000000..9646f2f17c
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/uARM/startup_LPC17xx.s
@@ -0,0 +1,243 @@
+;/*****************************************************************************
+; * @file:    startup_LPC17xx.s
+; * @purpose: CMSIS Cortex-M3 Core Device Startup File 
+; *           for the NXP LPC17xx Device Series 
+; * @version: V1.02, modified for mbed
+; * @date:    27. July 2009, modified 3rd Aug 2009
+; *------- <<< Use Configuration Wizard in Context Menu >>> ------------------
+; *
+; * Copyright (C) 2009 ARM Limited. All rights reserved.
+; * ARM Limited (ARM) is supplying this software for use with Cortex-M3 
+; * processor based microcontrollers.  This file can be freely distributed 
+; * within development tools that are supporting such ARM based processors. 
+; *
+; * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+; * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+; * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+; * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+; * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+; *
+; *****************************************************************************/
+
+Stack_Size      EQU     0x00000400
+
+                AREA    STACK, NOINIT, READWRITE, ALIGN=3
+                EXPORT  __initial_sp
+
+Stack_Mem       SPACE   Stack_Size
+__initial_sp        EQU     0x10008000  ; Top of RAM from LPC1768
+
+
+Heap_Size       EQU     0x00000000
+
+                AREA    HEAP, NOINIT, READWRITE, ALIGN=3
+                EXPORT  __heap_base
+                EXPORT  __heap_limit
+
+__heap_base
+Heap_Mem        SPACE   Heap_Size
+__heap_limit
+
+                PRESERVE8
+                THUMB
+
+; Vector Table Mapped to Address 0 at Reset
+
+                AREA    RESET, DATA, READONLY
+                EXPORT  __Vectors
+
+__Vectors       DCD     __initial_sp              ; Top of Stack
+                DCD     Reset_Handler             ; Reset Handler
+                DCD     NMI_Handler               ; NMI Handler
+                DCD     HardFault_Handler         ; Hard Fault Handler
+                DCD     MemManage_Handler         ; MPU Fault Handler
+                DCD     BusFault_Handler          ; Bus Fault Handler
+                DCD     UsageFault_Handler        ; Usage Fault Handler
+                DCD     0                         ; Reserved
+                DCD     0                         ; Reserved
+                DCD     0                         ; Reserved
+                DCD     0                         ; Reserved
+                DCD     SVC_Handler               ; SVCall Handler
+                DCD     DebugMon_Handler          ; Debug Monitor Handler
+                DCD     0                         ; Reserved
+                DCD     PendSV_Handler            ; PendSV Handler
+                DCD     SysTick_Handler           ; SysTick Handler
+
+                ; External Interrupts
+                DCD     WDT_IRQHandler            ; 16: Watchdog Timer
+                DCD     TIMER0_IRQHandler         ; 17: Timer0
+                DCD     TIMER1_IRQHandler         ; 18: Timer1
+                DCD     TIMER2_IRQHandler         ; 19: Timer2
+                DCD     TIMER3_IRQHandler         ; 20: Timer3
+                DCD     UART0_IRQHandler          ; 21: UART0
+                DCD     UART1_IRQHandler          ; 22: UART1
+                DCD     UART2_IRQHandler          ; 23: UART2
+                DCD     UART3_IRQHandler          ; 24: UART3
+                DCD     PWM1_IRQHandler           ; 25: PWM1
+                DCD     I2C0_IRQHandler           ; 26: I2C0
+                DCD     I2C1_IRQHandler           ; 27: I2C1
+                DCD     I2C2_IRQHandler           ; 28: I2C2
+                DCD     SPI_IRQHandler            ; 29: SPI
+                DCD     SSP0_IRQHandler           ; 30: SSP0
+                DCD     SSP1_IRQHandler           ; 31: SSP1
+                DCD     PLL0_IRQHandler           ; 32: PLL0 Lock (Main PLL)
+                DCD     RTC_IRQHandler            ; 33: Real Time Clock
+                DCD     EINT0_IRQHandler          ; 34: External Interrupt 0
+                DCD     EINT1_IRQHandler          ; 35: External Interrupt 1
+                DCD     EINT2_IRQHandler          ; 36: External Interrupt 2
+                DCD     EINT3_IRQHandler          ; 37: External Interrupt 3
+                DCD     ADC_IRQHandler            ; 38: A/D Converter
+                DCD     BOD_IRQHandler            ; 39: Brown-Out Detect
+                DCD     USB_IRQHandler            ; 40: USB
+                DCD     CAN_IRQHandler            ; 41: CAN
+                DCD     DMA_IRQHandler            ; 42: General Purpose DMA
+                DCD     I2S_IRQHandler            ; 43: I2S
+                DCD     ENET_IRQHandler           ; 44: Ethernet
+                DCD     RIT_IRQHandler            ; 45: Repetitive Interrupt Timer
+                DCD     MCPWM_IRQHandler          ; 46: Motor Control PWM
+                DCD     QEI_IRQHandler            ; 47: Quadrature Encoder Interface
+                DCD     PLL1_IRQHandler           ; 48: PLL1 Lock (USB PLL)
+
+
+                IF      :LNOT::DEF:NO_CRP
+                AREA    |.ARM.__at_0x02FC|, CODE, READONLY
+CRP_Key         DCD     0xFFFFFFFF
+                ENDIF
+
+
+                AREA    |.text|, CODE, READONLY
+
+
+; Reset Handler
+
+Reset_Handler   PROC
+                EXPORT  Reset_Handler             [WEAK]
+                IMPORT  SystemInit
+                IMPORT  __main
+                LDR     R0, =SystemInit
+                BLX     R0
+                LDR     R0, =__main
+                BX      R0
+                ENDP
+
+
+; Dummy Exception Handlers (infinite loops which can be modified)                
+
+NMI_Handler     PROC
+                EXPORT  NMI_Handler               [WEAK]
+                B       .
+                ENDP
+HardFault_Handler\
+                PROC
+                EXPORT  HardFault_Handler         [WEAK]
+                B       .
+                ENDP
+MemManage_Handler\
+                PROC
+                EXPORT  MemManage_Handler         [WEAK]
+                B       .
+                ENDP
+BusFault_Handler\
+                PROC
+                EXPORT  BusFault_Handler          [WEAK]
+                B       .
+                ENDP
+UsageFault_Handler\
+                PROC
+                EXPORT  UsageFault_Handler        [WEAK]
+                B       .
+                ENDP
+SVC_Handler     PROC
+                EXPORT  SVC_Handler               [WEAK]
+                B       .
+                ENDP
+DebugMon_Handler\
+                PROC
+                EXPORT  DebugMon_Handler          [WEAK]
+                B       .
+                ENDP
+PendSV_Handler  PROC
+                EXPORT  PendSV_Handler            [WEAK]
+                B       .
+                ENDP
+SysTick_Handler PROC
+                EXPORT  SysTick_Handler           [WEAK]
+                B       .
+                ENDP
+
+Default_Handler PROC
+
+                EXPORT  WDT_IRQHandler            [WEAK]
+                EXPORT  TIMER0_IRQHandler         [WEAK]
+                EXPORT  TIMER1_IRQHandler         [WEAK]
+                EXPORT  TIMER2_IRQHandler         [WEAK]
+                EXPORT  TIMER3_IRQHandler         [WEAK]
+                EXPORT  UART0_IRQHandler          [WEAK]
+                EXPORT  UART1_IRQHandler          [WEAK]
+                EXPORT  UART2_IRQHandler          [WEAK]
+                EXPORT  UART3_IRQHandler          [WEAK]
+                EXPORT  PWM1_IRQHandler           [WEAK]
+                EXPORT  I2C0_IRQHandler           [WEAK]
+                EXPORT  I2C1_IRQHandler           [WEAK]
+                EXPORT  I2C2_IRQHandler           [WEAK]
+                EXPORT  SPI_IRQHandler            [WEAK]
+                EXPORT  SSP0_IRQHandler           [WEAK]
+                EXPORT  SSP1_IRQHandler           [WEAK]
+                EXPORT  PLL0_IRQHandler           [WEAK]
+                EXPORT  RTC_IRQHandler            [WEAK]
+                EXPORT  EINT0_IRQHandler          [WEAK]
+                EXPORT  EINT1_IRQHandler          [WEAK]
+                EXPORT  EINT2_IRQHandler          [WEAK]
+                EXPORT  EINT3_IRQHandler          [WEAK]
+                EXPORT  ADC_IRQHandler            [WEAK]
+                EXPORT  BOD_IRQHandler            [WEAK]
+                EXPORT  USB_IRQHandler            [WEAK]
+                EXPORT  CAN_IRQHandler            [WEAK]
+                EXPORT  DMA_IRQHandler            [WEAK]
+                EXPORT  I2S_IRQHandler            [WEAK]
+                EXPORT  ENET_IRQHandler           [WEAK]
+                EXPORT  RIT_IRQHandler            [WEAK]
+                EXPORT  MCPWM_IRQHandler          [WEAK]
+                EXPORT  QEI_IRQHandler            [WEAK]
+                EXPORT  PLL1_IRQHandler           [WEAK]
+
+WDT_IRQHandler           
+TIMER0_IRQHandler         
+TIMER1_IRQHandler         
+TIMER2_IRQHandler         
+TIMER3_IRQHandler         
+UART0_IRQHandler          
+UART1_IRQHandler          
+UART2_IRQHandler          
+UART3_IRQHandler          
+PWM1_IRQHandler           
+I2C0_IRQHandler           
+I2C1_IRQHandler           
+I2C2_IRQHandler           
+SPI_IRQHandler            
+SSP0_IRQHandler           
+SSP1_IRQHandler           
+PLL0_IRQHandler           
+RTC_IRQHandler            
+EINT0_IRQHandler          
+EINT1_IRQHandler          
+EINT2_IRQHandler          
+EINT3_IRQHandler          
+ADC_IRQHandler            
+BOD_IRQHandler            
+USB_IRQHandler            
+CAN_IRQHandler            
+DMA_IRQHandler          
+I2S_IRQHandler            
+ENET_IRQHandler       
+RIT_IRQHandler          
+MCPWM_IRQHandler             
+QEI_IRQHandler            
+PLL1_IRQHandler           
+
+                B       .
+
+                ENDP
+                
+                ALIGN
+                END
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC1768/uARM/sys.cpp b/libraries/mbed/vendor/NXP/cmsis/LPC1768/uARM/sys.cpp
new file mode 100644
index 0000000000..2f1024ace8
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC1768/uARM/sys.cpp
@@ -0,0 +1,31 @@
+/* mbed Microcontroller Library - stackheap
+ * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
+ * 
+ * Setup a fixed single stack/heap memory model, 
+ *  between the top of the RW/ZI region and the stackpointer
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+#include 
+#include 
+
+extern char Image$$RW_IRAM1$$ZI$$Limit[];
+
+extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
+    uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
+    uint32_t sp_limit = __current_sp();
+
+    zi_limit = (zi_limit + 7) & ~0x7;    // ensure zi_limit is 8-byte aligned
+
+    struct __initial_stackheap r;
+    r.heap_base = zi_limit;
+    r.heap_limit = sp_limit;
+    return r;
+}
+
+#ifdef __cplusplus
+}
+#endif 
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/ARM/LPC2368.sct b/libraries/mbed/vendor/NXP/cmsis/LPC2368/ARM/LPC2368.sct
new file mode 100644
index 0000000000..e2fdfdc09f
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/ARM/LPC2368.sct
@@ -0,0 +1,24 @@
+
+LR_IROM1 0x00000000 0x80000  {    ; load region size_region
+  ER_IROM1 0x00000000 0x80000  {  ; load address = execution address
+   *.o (RESET, +First)
+   *(InRoot$$Sections)
+   .ANY (+RO)
+  }
+  RW_IRAM1 0x40000120 0x7EE0  {  ; RW data, inc space for realmonitor
+   .ANY (+RW +ZI)
+  }
+  RW_IRAM2 0x7FD00000 0x2000  {  ; RW data, USB RAM
+   .ANY (AHBSRAM0)
+  }
+  RW_IRAM3 0x7FE00000 0x4000  {  ; RW data, ETH RAM
+   .ANY (AHBSRAM1)
+  }
+  RW_IRAM4 0xE0038000 0x0800  {  ; RW data, CAN RAM
+   .ANY (CANRAM)
+  }
+  RW_IRAM5 0xE0084000 0x0800  {  ; RW data, RTC RAM
+   .ANY (RTCRAM)
+  }
+}
+
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/ARM/sys.cpp b/libraries/mbed/vendor/NXP/cmsis/LPC2368/ARM/sys.cpp
new file mode 100644
index 0000000000..2f1024ace8
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/ARM/sys.cpp
@@ -0,0 +1,31 @@
+/* mbed Microcontroller Library - stackheap
+ * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
+ * 
+ * Setup a fixed single stack/heap memory model, 
+ *  between the top of the RW/ZI region and the stackpointer
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+#include 
+#include 
+
+extern char Image$$RW_IRAM1$$ZI$$Limit[];
+
+extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
+    uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
+    uint32_t sp_limit = __current_sp();
+
+    zi_limit = (zi_limit + 7) & ~0x7;    // ensure zi_limit is 8-byte aligned
+
+    struct __initial_stackheap r;
+    r.heap_base = zi_limit;
+    r.heap_limit = sp_limit;
+    return r;
+}
+
+#ifdef __cplusplus
+}
+#endif 
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/ARM/vector_functions.s b/libraries/mbed/vendor/NXP/cmsis/LPC2368/ARM/vector_functions.s
new file mode 100644
index 0000000000..462eb73c10
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/ARM/vector_functions.s
@@ -0,0 +1,248 @@
+;/* mbed Microcontroller Library - InterruptIn
+; * Copyright (c) 2006-2009 ARM Limited. All rights reserved.
+; */
+ 
+#line 1 "vector_functions.s"
+;
+;
+;
+
+#line 1 "vector_defns.h"
+
+
+
+ 
+
+
+
+ 
+
+#line 21 "vector_defns.h"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#line 47 "vector_defns.h"
+
+
+#line 58 "vector_defns.h"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#line 6 "vector_functions.s"
+
+
+        AREA    VECFUNCS, CODE, READONLY
+        ARM
+        PRESERVE8
+
+
+
+
+
+        EXPORT __mbed_fiq [WEAK]
+        EXPORT __mbed_undef [WEAK]
+        EXPORT __mbed_prefetch_abort [WEAK]
+        EXPORT __mbed_data_abort [WEAK]
+        EXPORT __mbed_irq [WEAK]
+        EXPORT __mbed_swi [WEAK]
+        EXPORT __mbed_dcc_irq [WEAK]
+        EXPORT __mbed_reset [WEAK]
+        IMPORT __mbed_init_realmonitor
+
+;
+;
+__mbed_fiq
+        B       __mbed_fiq
+
+;
+;
+__mbed_undef
+        LDR     PC, =0x7fffffa0
+
+;
+;
+__mbed_prefetch_abort
+        LDR     PC, =0x7fffffb0
+
+;
+;
+__mbed_data_abort
+        LDR     PC, =0x7fffffc0
+
+;
+;
+;
+;
+;
+;
+;
+;
+;
+__mbed_irq
+        ;
+        MSR     CPSR_c, #0x1F:OR:0x80:OR:0x40
+                
+        ;
+        STMDB   sp!, {r0-r3,r12,lr}    
+
+        ;
+        MOV	r0, #0xFFFFFF00
+        LDR	r0, [r0]	
+
+        ;
+        MOV     lr, pc       
+        BX      r0           
+			    				
+        ;
+        MOV	r0, #0xFFFFFF00
+        STR	r0, [r0]			;
+				
+        ;
+        LDMFD   sp!,{r0-r3,r12,lr}
+
+        ;
+        MSR     CPSR_c, #0x12:OR:0x80:OR:0x40
+
+        ;
+        SUBS    pc, lr, #4 
+
+;
+;
+;
+;
+__mbed_swi
+        ;
+        ;
+        STMFD   sp!, {a4, r4, ip, lr}
+
+        ;
+        LDR     r4, =0x40000040
+
+        ;
+        ;
+        LDR     a4, =0x00940000
+        LDR	PC, =0x7ffff820				
+
+;
+;
+;
+;
+__mbed_dcc_irq
+
+        ;
+			
+        ;
+        LDMFD    sp!,{r0-r3,r12,lr}
+
+        ;
+        MSR     CPSR_c, #0x12:OR:0x80:OR:0x40
+
+        ;
+				
+        ;
+        SUB     lr, lr, #4              ;
+        STMFD   sp!, {ip,lr}            ;
+			
+        ;
+        LDR     LR, =0xfffff000
+        STR     LR, [LR, #0xf00]
+			
+        ;
+        ;
+        ;
+        ;
+        LDR     PC, =0x7fffffe0			 
+
+;
+; __mbed_reset is called after reset
+; we setup the stacks and realmonitor, then call Reset_Handler like on M3
+
+; Reset Handler
+
+Reset_Handler   PROC
+                EXPORT  Reset_Handler             [WEAK]
+                IMPORT  SystemInit
+                IMPORT  __main
+                LDR     R0, =SystemInit
+                MOV     LR, PC       
+                BX      R0
+                LDR     R0, =__main
+                BX      R0
+                ENDP
+
+__mbed_reset
+
+        ;
+
+        LDR     R0, =(0x40000000 + 0x8000)
+
+        ;
+        MSR     CPSR_c, #0x1B:OR:0x80:OR:0x40
+        MOV     SP, R0
+        SUB     R0, R0, #0x00000040
+
+        ;
+        MSR     CPSR_c, #0x17:OR:0x80:OR:0x40
+        MOV     SP, R0
+        SUB     R0, R0, #0x00000040
+
+        ;
+        MSR     CPSR_c, #0x11:OR:0x80:OR:0x40
+        MOV     SP, R0
+        SUB     R0, R0, #0x00000000
+
+        ;
+        MSR     CPSR_c, #0x12:OR:0x80:OR:0x40
+        MOV     SP, R0
+        SUB     R0, R0, #0x00000040
+
+        ;
+        MSR     CPSR_c, #0x13:OR:0x80:OR:0x40
+        MOV     SP, R0
+        SUB     R0, R0, #0x00000040
+
+        ;
+        MSR     CPSR_c, #0x10
+        MOV     SP, R0
+
+        ;
+        LDR     R0, =__mbed_init_realmonitor
+        MOV     LR, PC       
+        BX      R0           
+        
+        ;
+        LDR     R0, =Reset_Handler
+        BX      R0
+
+        
+        END
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/ARM/vector_table.s b/libraries/mbed/vendor/NXP/cmsis/LPC2368/ARM/vector_table.s
new file mode 100644
index 0000000000..2fca324728
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/ARM/vector_table.s
@@ -0,0 +1,99 @@
+;/* mbed Microcontroller Library - InterruptIn
+; * Copyright (c) 2006-2009 ARM Limited. All rights reserved.
+; */
+ 
+#line 1 "vector_table.s"
+;
+
+
+ 
+
+#line 1 "vector_defns.h"
+
+
+
+ 
+
+
+
+ 
+
+#line 21 "vector_defns.h"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#line 47 "vector_defns.h"
+
+
+#line 58 "vector_defns.h"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#line 7 "vector_table.s"
+        
+;
+
+
+        AREA    RESET, CODE, READONLY
+        ARM
+;        ENTRY
+        PRESERVE8
+
+
+
+
+
+;        EXPORT __main
+        IMPORT __mbed_reset
+        IMPORT __mbed_undef
+        IMPORT __mbed_swi
+        IMPORT __mbed_prefetch_abort
+        IMPORT __mbed_data_abort
+        IMPORT __mbed_irq
+        IMPORT __mbed_fiq
+
+;
+
+ 
+;__main
+        LDR     PC, =__mbed_reset
+        LDR     PC, =__mbed_undef
+        LDR     PC, =__mbed_swi
+        LDR     PC, =__mbed_prefetch_abort
+        LDR     PC, =__mbed_data_abort
+        NOP     ;
+        LDR     PC, =__mbed_irq
+        LDR     PC, =__mbed_fiq
+        
+
+        END
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_ARM/LPC2368.ld b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_ARM/LPC2368.ld
new file mode 100644
index 0000000000..8d93d6e9d3
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_ARM/LPC2368.ld
@@ -0,0 +1,206 @@
+OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(vectors)
+
+/* Memory Definitions: */
+MEMORY
+{
+    Flash  (rx)  : ORIGIN = 0x00000000, LENGTH = 512k
+    Ram    (rwx) : ORIGIN = 0x40000000, LENGTH = 32k
+    UsbRam (rw)  : ORIGIN = 0x7FD00000, LENGTH = 8k
+    EthRam (rw)  : ORIGIN = 0x7FE00000, LENGTH = 16k
+    CanRam (rw)  : ORIGIN = 0xE0038000, LENGTH = 2k
+    BatRam (rw)  : ORIGIN = 0xE0084000, LENGTH = 2k
+}
+
+/* Stack sizes: */
+UND_Stack_Size = 16;
+SVC_Stack_Size = 512;
+ABT_Stack_Size = 16;
+FIQ_Stack_Size = 16;
+IRQ_Stack_Size = 256;
+Stack_Size_Total = UND_Stack_Size + SVC_Stack_Size + ABT_Stack_Size + FIQ_Stack_Size + IRQ_Stack_Size;
+
+/* Stack tops for each mode: */
+__und_stack_top__ = __stacks_top__;
+__abt_stack_top__ = __und_stack_top__ - UND_Stack_Size ;
+__fiq_stack_top__ = __abt_stack_top__ - ABT_Stack_Size ;
+__irq_stack_top__ = __fiq_stack_top__ - FIQ_Stack_Size ;
+__svc_stack_top__ = __irq_stack_top__ - IRQ_Stack_Size ;
+
+/* C-accessible symbols for memory address ranges: */
+__FLASH_segment_start__ = ORIGIN( Flash );
+__FLASH_segment_end__   = ORIGIN( Flash ) + LENGTH( Flash );
+__SRAM_segment_start__  = ORIGIN( Ram );
+__SRAM_segment_end__    = ORIGIN( Ram ) + LENGTH( Ram );
+
+/* Stacks (full descending) at top of RAM, grows downward:
+ *
+ * __stack_min__ is used by the malloc implementation to ensure heap never collides
+ * with stack (assuming stack never grows beyond Stack_Size_Total in length) */
+__stacks_top__ = __SRAM_segment_end__;
+__stacks_min__ = __SRAM_segment_end__ - Stack_Size_Total;
+
+SECTIONS
+{
+    /* first section is .text which is used for code */
+    __text_start__ = . ;
+    .text : {
+        __privileged_code_start__ = . ;
+        KEEP( *( .vectors ) )
+        *( .privileged_code )
+    
+        __privileged_code_end__ = .;
+
+        *( .text .text.* .gnu.linkonce.t.* )
+        *( .plt )
+        *( .gnu.warning )
+        *( .glue_7t ) *( .glue_7 ) *( .vfp11_veneer )
+        
+        *( .rodata .rodata.* .gnu.linkonce.r.* )
+        
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+        *(.gcc_except_table)
+        *(.eh_frame_hdr)
+        *(.eh_frame)
+        
+        . = ALIGN( 4 ) ;
+        KEEP( *( .init ) )
+        . = ALIGN( 4 ) ;
+        __preinit_array_start = . ;
+        KEEP( *( .preinit_array ) )
+        __preinit_array_end = . ;
+        . = ALIGN( 4 ) ;
+        __init_array_start = . ;
+        KEEP( *( SORT( .init_array.* ) ) )
+        KEEP( *( .init_array ) )
+        __init_array_end = . ;
+        
+        . = ALIGN( 4 ) ;
+        KEEP( *crtbegin.o( .ctors ) )
+        KEEP( *( EXCLUDE_FILE( *crtend.o ) .ctors ) )
+        KEEP( *( SORT( .ctors.* ) ) )
+        KEEP( *crtend.o( .ctors ) )
+        
+        . = ALIGN( 4 ) ;
+        KEEP( *( .fini ) )
+        . = ALIGN( 4 ) ;
+        __fini_array_start = . ;
+        KEEP( *( .fini_array ) )
+        KEEP( *( SORT( .fini_array.* ) ) )
+        __fini_array_end = . ;
+        
+        KEEP( *crtbegin.o( .dtors ) )
+        KEEP( *( EXCLUDE_FILE( *crtend.o ) .dtors ) )
+        KEEP( *( SORT( .dtors.* ) ) )
+        KEEP( *crtend.o( .dtors ) )
+    
+    } >Flash
+    
+    __exidx_start = . ;
+    .ARM.exidx : {
+        *( .ARM.exidx* .gnu.linkonce.armexidx.* )
+    } >Flash
+    __exidx_end = . ;
+    
+    .text.align : { . = ALIGN( 8 ) ; } >Flash /* Alignment schenanigans */
+    __text_end__ = . ;
+    
+    /* .bss section -- used for uninitialized data */
+    /* Located at the start of RAM */
+    .bss (NOLOAD) : {
+        __bss_start__ = . ;
+        *crt0.o( .ram_vectors )
+        
+        __user_bss_start__ = . ;
+        *( .user_bss )
+        __user_bss_end__ = . ;
+        
+        *( .shbss )
+        *( .bss .bss.* .gnu.linkonce.b.* )
+        *( COMMON )
+        *( .ram.b )
+        . = ALIGN( 8 ) ;
+        
+        __bss_end__ = . ;
+    } >Ram AT>Flash
+
+    /* .data section -- used for initialized data */
+    .data : {
+        __data_start__ = . ;
+        KEEP( *( .jcr ) )
+        *( .got.plt ) *( .got )
+        *( .shdata )
+        *( .data .data.* .gnu.linkonce.d.* )
+        *( .ram )
+        . = ALIGN( 8 ) ;
+        __data_end__ = . ;
+    } >Ram AT>Flash
+
+    __data_init_start__ = LOADADDR( .data ) ;
+
+    /* Heap starts here and grows up in memory */
+    . = ALIGN( 8 ) ;
+    __heap_start__ = . ;
+
+    .stab    0 (NOLOAD) : { *(.stab) }
+    .stabstr 0 (NOLOAD) : { *(.stabstr) }
+    /* DWARF debug sections. */
+    /* Symbols in the DWARF debugging sections are relative to the  */
+    /* beginning of the section so we begin them at 0.              */
+    /* DWARF 1 */
+    .debug           0 : { *(.debug) }
+    .line            0 : { *(.line) }
+    /* GNU DWARF 1 extensions */
+    .debug_srcinfo   0 : { *(.debug_srcinfo) }
+    .debug_sfnames   0 : { *(.debug_sfnames) }
+    /* DWARF 1.1 and DWARF 2 */
+    .debug_aranges   0 : { *(.debug_aranges) }
+    .debug_pubnames  0 : { *(.debug_pubnames) }
+    /* DWARF 2 */
+    .debug_info      0 : { *(.debug_info .gnu.linkonce.wi.*) }
+    .debug_abbrev    0 : { *(.debug_abbrev) }
+    .debug_line      0 : { *(.debug_line) }
+    .debug_frame     0 : { *(.debug_frame) }
+    .debug_str       0 : { *(.debug_str) }
+    .debug_loc       0 : { *(.debug_loc) }
+    .debug_macinfo   0 : { *(.debug_macinfo) }
+    /* SGI/MIPS DWARF 2 extensions */
+    .debug_weaknames 0 : { *(.debug_weaknames) }
+    .debug_funcnames 0 : { *(.debug_funcnames) }
+    .debug_typenames 0 : { *(.debug_typenames) }
+    .debug_varnames  0 : { *(.debug_varnames) }
+    /* DWARF 3 */
+    .debug_pubtypes  0 : { *(.debug_pubtypes) }
+    .debug_ranges    0 : { *(.debug_ranges) }
+    
+    .note.gnu.arm.ident 0 : { KEEP( *( .note.gnu.arm.ident ) ) }
+    .ARM.attributes     0 : {
+        KEEP( *( .ARM.attributes ) )
+        KEEP( *( .gnu.attributes ) )
+    }
+    /DISCARD/             : { *( .note.GNU-stack ) }
+    
+    /* C data can be defined as being in special purpose RAMs using
+     * __attribute__ ((section ("ethram"))) for example. */
+    .usbram (NOLOAD):
+    {
+        *( .usbram )
+        *( .usbram.* )
+    } > UsbRam
+    .ethram (NOLOAD):
+    {
+        *( .ethram )
+        *( .ethram.* )
+    } > EthRam
+    .canram (NOLOAD):
+    {
+        *( .canram )
+        *( .canram.* )
+    } > CanRam
+    .batram (NOLOAD):
+    {
+        *( .batram )
+        *( .batram.* )
+    } > BatRam
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_ARM/vector_functions.s b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_ARM/vector_functions.s
new file mode 100644
index 0000000000..0751c50591
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_ARM/vector_functions.s
@@ -0,0 +1,180 @@
+# 1 "vector_functions.s"
+# 1 ""
+# 1 ""
+# 1 "vector_functions.s"
+;
+;
+;
+
+# 1 "vector_defns.h" 1
+# 6 "vector_functions.s" 2
+
+
+
+
+
+
+        .section VECFUNCS, "ax"
+        .arm
+
+
+        .weak __mbed_fiq
+        .weak __mbed_undef
+        .weak __mbed_prefetch_abort
+        .weak __mbed_data_abort
+        .weak __mbed_irq
+        .weak __mbed_swi
+        .weak __mbed_dcc_irq
+        .weak __mbed_reset
+        .global __mbed_init_realmonitor
+        .global __mbed_init
+
+;
+;
+__mbed_fiq:
+        B __mbed_fiq
+
+;
+;
+__mbed_undef:
+        LDR PC, =0x7fffffa0
+
+;
+;
+__mbed_prefetch_abort:
+        LDR PC, =0x7fffffb0
+
+;
+;
+__mbed_data_abort:
+        LDR PC, =0x7fffffc0
+
+;
+;
+;
+;
+;
+;
+;
+;
+;
+__mbed_irq:
+        ;
+        MSR CPSR_c, #0x1F|0x80|0x40
+
+        ;
+        STMDB sp!, {r0-r3,r12,lr}
+
+        ;
+        MOV r0, #0xFFFFFF00
+        LDR r0, [r0]
+
+        ;
+        MOV lr, pc
+        BX r0
+
+        ;
+        MOV r0, #0xFFFFFF00
+        STR r0, [r0] ;
+
+        ;
+        LDMFD sp!,{r0-r3,r12,lr}
+
+        ;
+        MSR CPSR_c, #0x12|0x80|0x40
+
+        ;
+        SUBS pc, lr, #4
+
+;
+;
+;
+;
+__mbed_swi:
+        ;
+        ;
+        STMFD sp!, {a4, r4, ip, lr}
+
+        ;
+        LDR r4, =0x40000040
+
+        ;
+        ;
+        LDR a4, =0x00940000
+        LDR PC, =0x7ffff820
+
+;
+;
+;
+;
+__mbed_dcc_irq:
+
+        ;
+
+        ;
+        LDMFD sp!,{r0-r3,r12,lr}
+
+        ;
+        MSR CPSR_c, #0x12|0x80|0x40
+
+        ;
+
+        ;
+        SUB lr, lr, #4 ;
+        STMFD sp!, {ip,lr} ;
+
+        ;
+        LDR LR, =0xfffff000
+        STR LR, [LR, #0xf00]
+
+        ;
+        ;
+        ;
+        ;
+        LDR PC, =0x7fffffe0
+
+;
+;
+__mbed_reset:
+
+        ;
+
+        LDR R0, =(0x40000000 + 0x8000)
+
+        ;
+        MSR CPSR_c, #0x1B|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000040
+
+        ;
+        MSR CPSR_c, #0x17|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000040
+
+        ;
+        MSR CPSR_c, #0x11|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000000
+
+        ;
+        MSR CPSR_c, #0x12|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000040
+
+        ;
+        MSR CPSR_c, #0x13|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000040
+
+        ;
+        MSR CPSR_c, #0x10
+        MOV SP, R0
+
+        ;
+        LDR R0, =__mbed_init_realmonitor
+        MOV LR, PC
+        BX R0
+
+        ;
+        LDR R0, =__mbed_init
+        BX R0
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_ARM/vector_table.s b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_ARM/vector_table.s
new file mode 100644
index 0000000000..281e7a9bd4
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_ARM/vector_table.s
@@ -0,0 +1,45 @@
+# 1 "vector_table.s"
+# 1 ""
+# 1 ""
+# 1 "vector_table.s"
+;
+
+
+
+
+# 1 "vector_defns.h" 1
+# 7 "vector_table.s" 2
+
+;
+
+
+
+
+
+
+
+        .section VECTOR_TABLE, "ax"
+        .arm
+
+
+        .global __main
+        .global __mbed_reset
+        .global __mbed_undef
+        .global __mbed_swi
+        .global __mbed_prefetch_abort
+        .global __mbed_data_abort
+        .global __mbed_irq
+        .global __mbed_fiq
+
+;
+
+
+__main:
+        LDR PC, =__mbed_reset
+        LDR PC, =__mbed_undef
+        LDR PC, =__mbed_swi
+        LDR PC, =__mbed_prefetch_abort
+        LDR PC, =__mbed_data_abort
+        NOP ;
+        LDR PC, =__mbed_irq
+        LDR PC, =__mbed_fiq
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CR/LPC2368.ld b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CR/LPC2368.ld
new file mode 100644
index 0000000000..a30d07bbb6
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CR/LPC2368.ld
@@ -0,0 +1,208 @@
+OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(vectors)
+
+GROUP(-lsupc++ -lm -lc -lgcc)
+
+/* Memory Definitions: */
+MEMORY
+{
+    Flash  (rx)  : ORIGIN = 0x00000000, LENGTH = 512k
+    Ram    (rwx) : ORIGIN = 0x40000000, LENGTH = 32k
+    UsbRam (rw)  : ORIGIN = 0x7FD00000, LENGTH = 8k
+    EthRam (rw)  : ORIGIN = 0x7FE00000, LENGTH = 16k
+    CanRam (rw)  : ORIGIN = 0xE0038000, LENGTH = 2k
+    BatRam (rw)  : ORIGIN = 0xE0084000, LENGTH = 2k
+}
+
+/* Stack sizes: */
+UND_Stack_Size = 16;
+SVC_Stack_Size = 512;
+ABT_Stack_Size = 16;
+FIQ_Stack_Size = 16;
+IRQ_Stack_Size = 256;
+Stack_Size_Total = UND_Stack_Size + SVC_Stack_Size + ABT_Stack_Size + FIQ_Stack_Size + IRQ_Stack_Size;
+
+/* Stack tops for each mode: */
+__und_stack_top__ = __stacks_top__;
+__abt_stack_top__ = __und_stack_top__ - UND_Stack_Size ;
+__fiq_stack_top__ = __abt_stack_top__ - ABT_Stack_Size ;
+__irq_stack_top__ = __fiq_stack_top__ - FIQ_Stack_Size ;
+__svc_stack_top__ = __irq_stack_top__ - IRQ_Stack_Size ;
+
+/* C-accessible symbols for memory address ranges: */
+__FLASH_segment_start__ = ORIGIN( Flash );
+__FLASH_segment_end__   = ORIGIN( Flash ) + LENGTH( Flash );
+__SRAM_segment_start__  = ORIGIN( Ram );
+__SRAM_segment_end__    = ORIGIN( Ram ) + LENGTH( Ram );
+
+/* Stacks (full descending) at top of RAM, grows downward:
+ *
+ * __stack_min__ is used by the malloc implementation to ensure heap never collides
+ * with stack (assuming stack never grows beyond Stack_Size_Total in length) */
+__stacks_top__ = __SRAM_segment_end__;
+__stacks_min__ = __SRAM_segment_end__ - Stack_Size_Total;
+
+SECTIONS
+{
+    /* first section is .text which is used for code */
+    __text_start__ = . ;
+    .text : {
+        __privileged_code_start__ = . ;
+        KEEP( *( .vectors ) )
+        *( .privileged_code )
+    
+        __privileged_code_end__ = .;
+
+        *( .text .text.* .gnu.linkonce.t.* )
+        *( .plt )
+        *( .gnu.warning )
+        *( .glue_7t ) *( .glue_7 ) *( .vfp11_veneer )
+        
+        *( .rodata .rodata.* .gnu.linkonce.r.* )
+        
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+        *(.gcc_except_table)
+        *(.eh_frame_hdr)
+        *(.eh_frame)
+        
+        . = ALIGN( 4 ) ;
+        KEEP( *( .init ) )
+        . = ALIGN( 4 ) ;
+        __preinit_array_start = . ;
+        KEEP( *( .preinit_array ) )
+        __preinit_array_end = . ;
+        . = ALIGN( 4 ) ;
+        __init_array_start = . ;
+        KEEP( *( SORT( .init_array.* ) ) )
+        KEEP( *( .init_array ) )
+        __init_array_end = . ;
+        
+        . = ALIGN( 4 ) ;
+        KEEP( *crtbegin.o( .ctors ) )
+        KEEP( *( EXCLUDE_FILE( *crtend.o ) .ctors ) )
+        KEEP( *( SORT( .ctors.* ) ) )
+        KEEP( *crtend.o( .ctors ) )
+        
+        . = ALIGN( 4 ) ;
+        KEEP( *( .fini ) )
+        . = ALIGN( 4 ) ;
+        __fini_array_start = . ;
+        KEEP( *( .fini_array ) )
+        KEEP( *( SORT( .fini_array.* ) ) )
+        __fini_array_end = . ;
+        
+        KEEP( *crtbegin.o( .dtors ) )
+        KEEP( *( EXCLUDE_FILE( *crtend.o ) .dtors ) )
+        KEEP( *( SORT( .dtors.* ) ) )
+        KEEP( *crtend.o( .dtors ) )
+    
+    } >Flash
+    
+    __exidx_start = . ;
+    .ARM.exidx : {
+        *( .ARM.exidx* .gnu.linkonce.armexidx.* )
+    } >Flash
+    __exidx_end = . ;
+    
+    .text.align : { . = ALIGN( 8 ) ; } >Flash /* Alignment schenanigans */
+    __text_end__ = . ;
+    
+    /* .bss section -- used for uninitialized data */
+    /* Located at the start of RAM */
+    .bss (NOLOAD) : {
+        __bss_start__ = . ;
+        *crt0.o( .ram_vectors )
+        
+        __user_bss_start__ = . ;
+        *( .user_bss )
+        __user_bss_end__ = . ;
+        
+        *( .shbss )
+        *( .bss .bss.* .gnu.linkonce.b.* )
+        *( COMMON )
+        *( .ram.b )
+        . = ALIGN( 8 ) ;
+        
+        __bss_end__ = . ;
+    } >Ram AT>Flash
+
+    /* .data section -- used for initialized data */
+    .data : {
+        __data_start__ = . ;
+        KEEP( *( .jcr ) )
+        *( .got.plt ) *( .got )
+        *( .shdata )
+        *( .data .data.* .gnu.linkonce.d.* )
+        *( .ram )
+        . = ALIGN( 8 ) ;
+        __data_end__ = . ;
+    } >Ram AT>Flash
+
+    __data_init_start__ = LOADADDR( .data ) ;
+
+    /* Heap starts here and grows up in memory */
+    . = ALIGN( 8 ) ;
+    __heap_start__ = . ;
+
+    .stab    0 (NOLOAD) : { *(.stab) }
+    .stabstr 0 (NOLOAD) : { *(.stabstr) }
+    /* DWARF debug sections. */
+    /* Symbols in the DWARF debugging sections are relative to the  */
+    /* beginning of the section so we begin them at 0.              */
+    /* DWARF 1 */
+    .debug           0 : { *(.debug) }
+    .line            0 : { *(.line) }
+    /* GNU DWARF 1 extensions */
+    .debug_srcinfo   0 : { *(.debug_srcinfo) }
+    .debug_sfnames   0 : { *(.debug_sfnames) }
+    /* DWARF 1.1 and DWARF 2 */
+    .debug_aranges   0 : { *(.debug_aranges) }
+    .debug_pubnames  0 : { *(.debug_pubnames) }
+    /* DWARF 2 */
+    .debug_info      0 : { *(.debug_info .gnu.linkonce.wi.*) }
+    .debug_abbrev    0 : { *(.debug_abbrev) }
+    .debug_line      0 : { *(.debug_line) }
+    .debug_frame     0 : { *(.debug_frame) }
+    .debug_str       0 : { *(.debug_str) }
+    .debug_loc       0 : { *(.debug_loc) }
+    .debug_macinfo   0 : { *(.debug_macinfo) }
+    /* SGI/MIPS DWARF 2 extensions */
+    .debug_weaknames 0 : { *(.debug_weaknames) }
+    .debug_funcnames 0 : { *(.debug_funcnames) }
+    .debug_typenames 0 : { *(.debug_typenames) }
+    .debug_varnames  0 : { *(.debug_varnames) }
+    /* DWARF 3 */
+    .debug_pubtypes  0 : { *(.debug_pubtypes) }
+    .debug_ranges    0 : { *(.debug_ranges) }
+    
+    .note.gnu.arm.ident 0 : { KEEP( *( .note.gnu.arm.ident ) ) }
+    .ARM.attributes     0 : {
+        KEEP( *( .ARM.attributes ) )
+        KEEP( *( .gnu.attributes ) )
+    }
+    /DISCARD/             : { *( .note.GNU-stack ) }
+    
+    /* C data can be defined as being in special purpose RAMs using
+     * __attribute__ ((section ("ethram"))) for example. */
+    .usbram (NOLOAD):
+    {
+        *( .usbram )
+        *( .usbram.* )
+    } > UsbRam
+    .ethram (NOLOAD):
+    {
+        *( .ethram )
+        *( .ethram.* )
+    } > EthRam
+    .canram (NOLOAD):
+    {
+        *( .canram )
+        *( .canram.* )
+    } > CanRam
+    .batram (NOLOAD):
+    {
+        *( .batram )
+        *( .batram.* )
+    } > BatRam
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CR/vector_functions.s b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CR/vector_functions.s
new file mode 100644
index 0000000000..0751c50591
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CR/vector_functions.s
@@ -0,0 +1,180 @@
+# 1 "vector_functions.s"
+# 1 ""
+# 1 ""
+# 1 "vector_functions.s"
+;
+;
+;
+
+# 1 "vector_defns.h" 1
+# 6 "vector_functions.s" 2
+
+
+
+
+
+
+        .section VECFUNCS, "ax"
+        .arm
+
+
+        .weak __mbed_fiq
+        .weak __mbed_undef
+        .weak __mbed_prefetch_abort
+        .weak __mbed_data_abort
+        .weak __mbed_irq
+        .weak __mbed_swi
+        .weak __mbed_dcc_irq
+        .weak __mbed_reset
+        .global __mbed_init_realmonitor
+        .global __mbed_init
+
+;
+;
+__mbed_fiq:
+        B __mbed_fiq
+
+;
+;
+__mbed_undef:
+        LDR PC, =0x7fffffa0
+
+;
+;
+__mbed_prefetch_abort:
+        LDR PC, =0x7fffffb0
+
+;
+;
+__mbed_data_abort:
+        LDR PC, =0x7fffffc0
+
+;
+;
+;
+;
+;
+;
+;
+;
+;
+__mbed_irq:
+        ;
+        MSR CPSR_c, #0x1F|0x80|0x40
+
+        ;
+        STMDB sp!, {r0-r3,r12,lr}
+
+        ;
+        MOV r0, #0xFFFFFF00
+        LDR r0, [r0]
+
+        ;
+        MOV lr, pc
+        BX r0
+
+        ;
+        MOV r0, #0xFFFFFF00
+        STR r0, [r0] ;
+
+        ;
+        LDMFD sp!,{r0-r3,r12,lr}
+
+        ;
+        MSR CPSR_c, #0x12|0x80|0x40
+
+        ;
+        SUBS pc, lr, #4
+
+;
+;
+;
+;
+__mbed_swi:
+        ;
+        ;
+        STMFD sp!, {a4, r4, ip, lr}
+
+        ;
+        LDR r4, =0x40000040
+
+        ;
+        ;
+        LDR a4, =0x00940000
+        LDR PC, =0x7ffff820
+
+;
+;
+;
+;
+__mbed_dcc_irq:
+
+        ;
+
+        ;
+        LDMFD sp!,{r0-r3,r12,lr}
+
+        ;
+        MSR CPSR_c, #0x12|0x80|0x40
+
+        ;
+
+        ;
+        SUB lr, lr, #4 ;
+        STMFD sp!, {ip,lr} ;
+
+        ;
+        LDR LR, =0xfffff000
+        STR LR, [LR, #0xf00]
+
+        ;
+        ;
+        ;
+        ;
+        LDR PC, =0x7fffffe0
+
+;
+;
+__mbed_reset:
+
+        ;
+
+        LDR R0, =(0x40000000 + 0x8000)
+
+        ;
+        MSR CPSR_c, #0x1B|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000040
+
+        ;
+        MSR CPSR_c, #0x17|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000040
+
+        ;
+        MSR CPSR_c, #0x11|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000000
+
+        ;
+        MSR CPSR_c, #0x12|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000040
+
+        ;
+        MSR CPSR_c, #0x13|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000040
+
+        ;
+        MSR CPSR_c, #0x10
+        MOV SP, R0
+
+        ;
+        LDR R0, =__mbed_init_realmonitor
+        MOV LR, PC
+        BX R0
+
+        ;
+        LDR R0, =__mbed_init
+        BX R0
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CR/vector_table.s b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CR/vector_table.s
new file mode 100644
index 0000000000..281e7a9bd4
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CR/vector_table.s
@@ -0,0 +1,45 @@
+# 1 "vector_table.s"
+# 1 ""
+# 1 ""
+# 1 "vector_table.s"
+;
+
+
+
+
+# 1 "vector_defns.h" 1
+# 7 "vector_table.s" 2
+
+;
+
+
+
+
+
+
+
+        .section VECTOR_TABLE, "ax"
+        .arm
+
+
+        .global __main
+        .global __mbed_reset
+        .global __mbed_undef
+        .global __mbed_swi
+        .global __mbed_prefetch_abort
+        .global __mbed_data_abort
+        .global __mbed_irq
+        .global __mbed_fiq
+
+;
+
+
+__main:
+        LDR PC, =__mbed_reset
+        LDR PC, =__mbed_undef
+        LDR PC, =__mbed_swi
+        LDR PC, =__mbed_prefetch_abort
+        LDR PC, =__mbed_data_abort
+        NOP ;
+        LDR PC, =__mbed_irq
+        LDR PC, =__mbed_fiq
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CS/LPC2368.ld b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CS/LPC2368.ld
new file mode 100644
index 0000000000..fcac826485
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CS/LPC2368.ld
@@ -0,0 +1,207 @@
+OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(vectors)
+GROUP(-lsupc++ -lm -lc -lcs3unhosted -lcs3 -lgcc)
+
+/* Memory Definitions: */
+MEMORY
+{
+    Flash  (rx)  : ORIGIN = 0x00000000, LENGTH = 512k
+    Ram    (rwx) : ORIGIN = 0x40000000, LENGTH = 32k
+    UsbRam (rw)  : ORIGIN = 0x7FD00000, LENGTH = 8k
+    EthRam (rw)  : ORIGIN = 0x7FE00000, LENGTH = 16k
+    CanRam (rw)  : ORIGIN = 0xE0038000, LENGTH = 2k
+    BatRam (rw)  : ORIGIN = 0xE0084000, LENGTH = 2k
+}
+
+/* Stack sizes: */
+UND_Stack_Size = 16;
+SVC_Stack_Size = 512;
+ABT_Stack_Size = 16;
+FIQ_Stack_Size = 16;
+IRQ_Stack_Size = 256;
+Stack_Size_Total = UND_Stack_Size + SVC_Stack_Size + ABT_Stack_Size + FIQ_Stack_Size + IRQ_Stack_Size;
+
+/* Stack tops for each mode: */
+__und_stack_top__ = __stacks_top__;
+__abt_stack_top__ = __und_stack_top__ - UND_Stack_Size ;
+__fiq_stack_top__ = __abt_stack_top__ - ABT_Stack_Size ;
+__irq_stack_top__ = __fiq_stack_top__ - FIQ_Stack_Size ;
+__svc_stack_top__ = __irq_stack_top__ - IRQ_Stack_Size ;
+
+/* C-accessible symbols for memory address ranges: */
+__FLASH_segment_start__ = ORIGIN( Flash );
+__FLASH_segment_end__   = ORIGIN( Flash ) + LENGTH( Flash );
+__SRAM_segment_start__  = ORIGIN( Ram );
+__SRAM_segment_end__    = ORIGIN( Ram ) + LENGTH( Ram );
+
+/* Stacks (full descending) at top of RAM, grows downward:
+ *
+ * __stack_min__ is used by the malloc implementation to ensure heap never collides
+ * with stack (assuming stack never grows beyond Stack_Size_Total in length) */
+__stacks_top__ = __SRAM_segment_end__;
+__stacks_min__ = __SRAM_segment_end__ - Stack_Size_Total;
+
+SECTIONS
+{
+    /* first section is .text which is used for code */
+    __text_start__ = . ;
+    .text : {
+        __privileged_code_start__ = . ;
+        KEEP( *( .vectors ) )
+        *( .privileged_code )
+    
+        __privileged_code_end__ = .;
+
+        *( .text .text.* .gnu.linkonce.t.* )
+        *( .plt )
+        *( .gnu.warning )
+        *( .glue_7t ) *( .glue_7 ) *( .vfp11_veneer )
+        
+        *( .rodata .rodata.* .gnu.linkonce.r.* )
+        
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+        *(.gcc_except_table)
+        *(.eh_frame_hdr)
+        *(.eh_frame)
+        
+        . = ALIGN( 4 ) ;
+        KEEP( *( .init ) )
+        . = ALIGN( 4 ) ;
+        __preinit_array_start = . ;
+        KEEP( *( .preinit_array ) )
+        __preinit_array_end = . ;
+        . = ALIGN( 4 ) ;
+        __init_array_start = . ;
+        KEEP( *( SORT( .init_array.* ) ) )
+        KEEP( *( .init_array ) )
+        __init_array_end = . ;
+        
+        . = ALIGN( 4 ) ;
+        KEEP( *crtbegin.o( .ctors ) )
+        KEEP( *( EXCLUDE_FILE( *crtend.o ) .ctors ) )
+        KEEP( *( SORT( .ctors.* ) ) )
+        KEEP( *crtend.o( .ctors ) )
+        
+        . = ALIGN( 4 ) ;
+        KEEP( *( .fini ) )
+        . = ALIGN( 4 ) ;
+        __fini_array_start = . ;
+        KEEP( *( .fini_array ) )
+        KEEP( *( SORT( .fini_array.* ) ) )
+        __fini_array_end = . ;
+        
+        KEEP( *crtbegin.o( .dtors ) )
+        KEEP( *( EXCLUDE_FILE( *crtend.o ) .dtors ) )
+        KEEP( *( SORT( .dtors.* ) ) )
+        KEEP( *crtend.o( .dtors ) )
+    
+    } >Flash
+    
+    __exidx_start = . ;
+    .ARM.exidx : {
+        *( .ARM.exidx* .gnu.linkonce.armexidx.* )
+    } >Flash
+    __exidx_end = . ;
+    
+    .text.align : { . = ALIGN( 8 ) ; } >Flash /* Alignment schenanigans */
+    __text_end__ = . ;
+    
+    /* .bss section -- used for uninitialized data */
+    /* Located at the start of RAM */
+    .bss (NOLOAD) : {
+        __bss_start__ = . ;
+        *crt0.o( .ram_vectors )
+        
+        __user_bss_start__ = . ;
+        *( .user_bss )
+        __user_bss_end__ = . ;
+        
+        *( .shbss )
+        *( .bss .bss.* .gnu.linkonce.b.* )
+        *( COMMON )
+        *( .ram.b )
+        . = ALIGN( 8 ) ;
+        
+        __bss_end__ = . ;
+    } >Ram AT>Flash
+
+    /* .data section -- used for initialized data */
+    .data : {
+        __data_start__ = . ;
+        KEEP( *( .jcr ) )
+        *( .got.plt ) *( .got )
+        *( .shdata )
+        *( .data .data.* .gnu.linkonce.d.* )
+        *( .ram )
+        . = ALIGN( 8 ) ;
+        __data_end__ = . ;
+    } >Ram AT>Flash
+
+    __data_init_start__ = LOADADDR( .data ) ;
+
+    /* Heap starts here and grows up in memory */
+    . = ALIGN( 8 ) ;
+    __heap_start__ = . ;
+
+    .stab    0 (NOLOAD) : { *(.stab) }
+    .stabstr 0 (NOLOAD) : { *(.stabstr) }
+    /* DWARF debug sections. */
+    /* Symbols in the DWARF debugging sections are relative to the  */
+    /* beginning of the section so we begin them at 0.              */
+    /* DWARF 1 */
+    .debug           0 : { *(.debug) }
+    .line            0 : { *(.line) }
+    /* GNU DWARF 1 extensions */
+    .debug_srcinfo   0 : { *(.debug_srcinfo) }
+    .debug_sfnames   0 : { *(.debug_sfnames) }
+    /* DWARF 1.1 and DWARF 2 */
+    .debug_aranges   0 : { *(.debug_aranges) }
+    .debug_pubnames  0 : { *(.debug_pubnames) }
+    /* DWARF 2 */
+    .debug_info      0 : { *(.debug_info .gnu.linkonce.wi.*) }
+    .debug_abbrev    0 : { *(.debug_abbrev) }
+    .debug_line      0 : { *(.debug_line) }
+    .debug_frame     0 : { *(.debug_frame) }
+    .debug_str       0 : { *(.debug_str) }
+    .debug_loc       0 : { *(.debug_loc) }
+    .debug_macinfo   0 : { *(.debug_macinfo) }
+    /* SGI/MIPS DWARF 2 extensions */
+    .debug_weaknames 0 : { *(.debug_weaknames) }
+    .debug_funcnames 0 : { *(.debug_funcnames) }
+    .debug_typenames 0 : { *(.debug_typenames) }
+    .debug_varnames  0 : { *(.debug_varnames) }
+    /* DWARF 3 */
+    .debug_pubtypes  0 : { *(.debug_pubtypes) }
+    .debug_ranges    0 : { *(.debug_ranges) }
+    
+    .note.gnu.arm.ident 0 : { KEEP( *( .note.gnu.arm.ident ) ) }
+    .ARM.attributes     0 : {
+        KEEP( *( .ARM.attributes ) )
+        KEEP( *( .gnu.attributes ) )
+    }
+    /DISCARD/             : { *( .note.GNU-stack ) }
+    
+    /* C data can be defined as being in special purpose RAMs using
+     * __attribute__ ((section ("ethram"))) for example. */
+    .usbram (NOLOAD):
+    {
+        *( .usbram )
+        *( .usbram.* )
+    } > UsbRam
+    .ethram (NOLOAD):
+    {
+        *( .ethram )
+        *( .ethram.* )
+    } > EthRam
+    .canram (NOLOAD):
+    {
+        *( .canram )
+        *( .canram.* )
+    } > CanRam
+    .batram (NOLOAD):
+    {
+        *( .batram )
+        *( .batram.* )
+    } > BatRam
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CS/vector_functions.s b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CS/vector_functions.s
new file mode 100644
index 0000000000..0751c50591
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CS/vector_functions.s
@@ -0,0 +1,180 @@
+# 1 "vector_functions.s"
+# 1 ""
+# 1 ""
+# 1 "vector_functions.s"
+;
+;
+;
+
+# 1 "vector_defns.h" 1
+# 6 "vector_functions.s" 2
+
+
+
+
+
+
+        .section VECFUNCS, "ax"
+        .arm
+
+
+        .weak __mbed_fiq
+        .weak __mbed_undef
+        .weak __mbed_prefetch_abort
+        .weak __mbed_data_abort
+        .weak __mbed_irq
+        .weak __mbed_swi
+        .weak __mbed_dcc_irq
+        .weak __mbed_reset
+        .global __mbed_init_realmonitor
+        .global __mbed_init
+
+;
+;
+__mbed_fiq:
+        B __mbed_fiq
+
+;
+;
+__mbed_undef:
+        LDR PC, =0x7fffffa0
+
+;
+;
+__mbed_prefetch_abort:
+        LDR PC, =0x7fffffb0
+
+;
+;
+__mbed_data_abort:
+        LDR PC, =0x7fffffc0
+
+;
+;
+;
+;
+;
+;
+;
+;
+;
+__mbed_irq:
+        ;
+        MSR CPSR_c, #0x1F|0x80|0x40
+
+        ;
+        STMDB sp!, {r0-r3,r12,lr}
+
+        ;
+        MOV r0, #0xFFFFFF00
+        LDR r0, [r0]
+
+        ;
+        MOV lr, pc
+        BX r0
+
+        ;
+        MOV r0, #0xFFFFFF00
+        STR r0, [r0] ;
+
+        ;
+        LDMFD sp!,{r0-r3,r12,lr}
+
+        ;
+        MSR CPSR_c, #0x12|0x80|0x40
+
+        ;
+        SUBS pc, lr, #4
+
+;
+;
+;
+;
+__mbed_swi:
+        ;
+        ;
+        STMFD sp!, {a4, r4, ip, lr}
+
+        ;
+        LDR r4, =0x40000040
+
+        ;
+        ;
+        LDR a4, =0x00940000
+        LDR PC, =0x7ffff820
+
+;
+;
+;
+;
+__mbed_dcc_irq:
+
+        ;
+
+        ;
+        LDMFD sp!,{r0-r3,r12,lr}
+
+        ;
+        MSR CPSR_c, #0x12|0x80|0x40
+
+        ;
+
+        ;
+        SUB lr, lr, #4 ;
+        STMFD sp!, {ip,lr} ;
+
+        ;
+        LDR LR, =0xfffff000
+        STR LR, [LR, #0xf00]
+
+        ;
+        ;
+        ;
+        ;
+        LDR PC, =0x7fffffe0
+
+;
+;
+__mbed_reset:
+
+        ;
+
+        LDR R0, =(0x40000000 + 0x8000)
+
+        ;
+        MSR CPSR_c, #0x1B|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000040
+
+        ;
+        MSR CPSR_c, #0x17|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000040
+
+        ;
+        MSR CPSR_c, #0x11|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000000
+
+        ;
+        MSR CPSR_c, #0x12|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000040
+
+        ;
+        MSR CPSR_c, #0x13|0x80|0x40
+        MOV SP, R0
+        SUB R0, R0, #0x00000040
+
+        ;
+        MSR CPSR_c, #0x10
+        MOV SP, R0
+
+        ;
+        LDR R0, =__mbed_init_realmonitor
+        MOV LR, PC
+        BX R0
+
+        ;
+        LDR R0, =__mbed_init
+        BX R0
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CS/vector_table.s b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CS/vector_table.s
new file mode 100644
index 0000000000..281e7a9bd4
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/GCC_CS/vector_table.s
@@ -0,0 +1,45 @@
+# 1 "vector_table.s"
+# 1 ""
+# 1 ""
+# 1 "vector_table.s"
+;
+
+
+
+
+# 1 "vector_defns.h" 1
+# 7 "vector_table.s" 2
+
+;
+
+
+
+
+
+
+
+        .section VECTOR_TABLE, "ax"
+        .arm
+
+
+        .global __main
+        .global __mbed_reset
+        .global __mbed_undef
+        .global __mbed_swi
+        .global __mbed_prefetch_abort
+        .global __mbed_data_abort
+        .global __mbed_irq
+        .global __mbed_fiq
+
+;
+
+
+__main:
+        LDR PC, =__mbed_reset
+        LDR PC, =__mbed_undef
+        LDR PC, =__mbed_swi
+        LDR PC, =__mbed_prefetch_abort
+        LDR PC, =__mbed_data_abort
+        NOP ;
+        LDR PC, =__mbed_irq
+        LDR PC, =__mbed_fiq
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/LPC23xx.h b/libraries/mbed/vendor/NXP/cmsis/LPC2368/LPC23xx.h
new file mode 100644
index 0000000000..9adaac4886
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/LPC23xx.h
@@ -0,0 +1,864 @@
+/* mbed Microcontroller Library - LPC23xx CMSIS-like structs
+ * Copyright (C) 2009 ARM Limited. All rights reserved.
+ * 
+ * An LPC23xx header file, based on the CMSIS LPC17xx.h and old LPC23xx.h
+ */
+
+#ifndef __LPC23xx_H
+#define __LPC23xx_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif 
+
+/*
+ * ==========================================================================
+ * ---------- Interrupt Number Definition -----------------------------------
+ * ==========================================================================
+ */
+
+typedef enum IRQn
+{
+/******  LPC23xx Specific Interrupt Numbers *******************************************************/
+  WDT_IRQn                      = 0,        /*!< Watchdog Timer Interrupt                         */
+
+  TIMER0_IRQn                   = 4,        /*!< Timer0 Interrupt                                 */
+  TIMER1_IRQn                   = 5,        /*!< Timer1 Interrupt                                 */
+  UART0_IRQn                    = 6,        /*!< UART0 Interrupt                                  */
+  UART1_IRQn                    = 7,        /*!< UART1 Interrupt                                  */
+  PWM1_IRQn                     = 8,        /*!< PWM1 Interrupt                                   */
+  I2C0_IRQn                     = 9,        /*!< I2C0 Interrupt                                   */
+  SPI_IRQn                      = 10,       /*!< SPI Interrupt                                    */
+  SSP0_IRQn                     = 10,       /*!< SSP0 Interrupt                                   */
+  SSP1_IRQn                     = 11,       /*!< SSP1 Interrupt                                   */
+  PLL0_IRQn                     = 12,       /*!< PLL0 Lock (Main PLL) Interrupt                   */
+  RTC_IRQn                      = 13,       /*!< Real Time Clock Interrupt                        */
+  EINT0_IRQn                    = 14,       /*!< External Interrupt 0 Interrupt                   */
+  EINT1_IRQn                    = 15,       /*!< External Interrupt 1 Interrupt                   */
+  EINT2_IRQn                    = 16,       /*!< External Interrupt 2 Interrupt                   */
+  EINT3_IRQn                    = 17,       /*!< External Interrupt 3 Interrupt                   */
+  ADC_IRQn                      = 18,       /*!< A/D Converter Interrupt                          */
+  I2C1_IRQn                     = 19,       /*!< I2C1 Interrupt                                   */
+  BOD_IRQn                      = 20,       /*!< Brown-Out Detect Interrupt                       */
+  ENET_IRQn                     = 21,       /*!< Ethernet Interrupt                               */
+  USB_IRQn                      = 22,       /*!< USB Interrupt                                    */
+  CAN_IRQn                      = 23,       /*!< CAN Interrupt                                    */
+  MIC_IRQn                      = 24,       /*!< Multimedia Interface Controler                   */
+  DMA_IRQn                      = 25,       /*!< General Purpose DMA Interrupt                    */
+  TIMER2_IRQn                   = 26,       /*!< Timer2 Interrupt                                 */
+  TIMER3_IRQn                   = 27,       /*!< Timer3 Interrupt                                 */
+  UART2_IRQn                    = 28,       /*!< UART2 Interrupt                                  */
+  UART3_IRQn                    = 29,       /*!< UART3 Interrupt                                  */
+  I2C2_IRQn                     = 30,       /*!< I2C2 Interrupt                                   */
+  I2S_IRQn                      = 31,       /*!< I2S Interrupt                                    */
+} IRQn_Type;
+
+/*
+ * ==========================================================================
+ * ----------- Processor and Core Peripheral Section ------------------------
+ * ==========================================================================
+ */
+
+/* Configuration of the ARM7 Processor and Core Peripherals */
+#define __MPU_PRESENT             0         /*!< MPU present or not                               */
+#define __NVIC_PRIO_BITS          4         /*!< Number of Bits used for Priority Levels          */
+#define __Vendor_SysTickConfig    0         /*!< Set to 1 if different SysTick Config is used     */
+
+
+#include 
+#include "system_LPC23xx.h"                 /* System Header                                      */
+
+
+/******************************************************************************/
+/*                Device Specific Peripheral registers structures             */
+/******************************************************************************/
+#if defined ( __CC_ARM   )
+  #pragma anon_unions
+#endif
+
+/*------------- Vector Interupt Controler (VIC) ------------------------------*/
+typedef struct
+{
+  __I  uint32_t IRQStatus;
+  __I  uint32_t FIQStatus;
+  __I  uint32_t RawIntr;
+  __IO uint32_t IntSelect;
+  __IO uint32_t IntEnable;
+  __O  uint32_t IntEnClr;
+  __IO uint32_t SoftInt;
+  __O  uint32_t SoftIntClr;
+  __IO uint32_t Protection;
+  __IO uint32_t SWPriorityMask;
+  __IO uint32_t RESERVED0[54];
+  __IO uint32_t VectAddr[32];
+  __IO uint32_t RESERVED1[32];
+  __IO uint32_t VectPriority[32];
+  __IO uint32_t RESERVED2[800];
+  __IO uint32_t Address;
+} LPC_VIC_TypeDef;
+
+/*------------- System Control (SC) ------------------------------------------*/
+typedef struct
+{
+  __IO uint32_t MAMCR;
+  __IO uint32_t MAMTIM;
+       uint32_t RESERVED0[14];
+  __IO uint32_t MEMMAP;
+       uint32_t RESERVED1[15];
+  __IO uint32_t PLL0CON;                /* Clocking and Power Control         */
+  __IO uint32_t PLL0CFG;
+  __I  uint32_t PLL0STAT;
+  __O  uint32_t PLL0FEED;
+       uint32_t RESERVED2[12];
+  __IO uint32_t PCON;
+  __IO uint32_t PCONP;
+       uint32_t RESERVED3[15];
+  __IO uint32_t CCLKCFG;
+  __IO uint32_t USBCLKCFG;
+  __IO uint32_t CLKSRCSEL;
+       uint32_t RESERVED4[12];
+  __IO uint32_t EXTINT;                 /* External Interrupts                */
+  __IO uint32_t INTWAKE;
+  __IO uint32_t EXTMODE;
+  __IO uint32_t EXTPOLAR;
+       uint32_t RESERVED6[12];
+  __IO uint32_t RSID;                   /* Reset                              */
+  __IO uint32_t CSPR;
+  __IO uint32_t AHBCFG1;
+  __IO uint32_t AHBCFG2;
+       uint32_t RESERVED7[4];
+  __IO uint32_t SCS;                    /* Syscon Miscellaneous Registers     */
+  __IO uint32_t IRCTRIM;                /* Clock Dividers                     */
+  __IO uint32_t PCLKSEL0;
+  __IO uint32_t PCLKSEL1;
+       uint32_t RESERVED8[4];
+  __IO uint32_t USBIntSt;               /* USB Device/OTG Interrupt Register  */
+       uint32_t RESERVED9;
+//  __IO uint32_t CLKOUTCFG;              /* Clock Output Configuration         */
+ } LPC_SC_TypeDef;
+
+/*------------- Pin Connect Block (PINCON) -----------------------------------*/
+typedef struct
+{
+  __IO uint32_t PINSEL0;
+  __IO uint32_t PINSEL1;
+  __IO uint32_t PINSEL2;
+  __IO uint32_t PINSEL3;
+  __IO uint32_t PINSEL4;
+  __IO uint32_t PINSEL5;
+  __IO uint32_t PINSEL6;
+  __IO uint32_t PINSEL7;
+  __IO uint32_t PINSEL8;
+  __IO uint32_t PINSEL9;
+  __IO uint32_t PINSEL10;
+       uint32_t RESERVED0[5];
+  __IO uint32_t PINMODE0;
+  __IO uint32_t PINMODE1;
+  __IO uint32_t PINMODE2;
+  __IO uint32_t PINMODE3;
+  __IO uint32_t PINMODE4;
+  __IO uint32_t PINMODE5;
+  __IO uint32_t PINMODE6;
+  __IO uint32_t PINMODE7;
+  __IO uint32_t PINMODE8;
+  __IO uint32_t PINMODE9;
+  __IO uint32_t PINMODE_OD0;
+  __IO uint32_t PINMODE_OD1;
+  __IO uint32_t PINMODE_OD2;
+  __IO uint32_t PINMODE_OD3;
+  __IO uint32_t PINMODE_OD4;
+} LPC_PINCON_TypeDef;
+
+/*------------- General Purpose Input/Output (GPIO) --------------------------*/
+typedef struct
+{
+  __IO uint32_t FIODIR;
+       uint32_t RESERVED0[3];
+  __IO uint32_t FIOMASK;
+  __IO uint32_t FIOPIN;
+  __IO uint32_t FIOSET;
+  __O  uint32_t FIOCLR;
+} LPC_GPIO_TypeDef;
+
+typedef struct
+{
+  __I  uint32_t IntStatus;
+  __I  uint32_t IO0IntStatR;
+  __I  uint32_t IO0IntStatF;
+  __O  uint32_t IO0IntClr;
+  __IO uint32_t IO0IntEnR;
+  __IO uint32_t IO0IntEnF;
+       uint32_t RESERVED0[3];
+  __I  uint32_t IO2IntStatR;
+  __I  uint32_t IO2IntStatF;
+  __O  uint32_t IO2IntClr;
+  __IO uint32_t IO2IntEnR;
+  __IO uint32_t IO2IntEnF;
+} LPC_GPIOINT_TypeDef;
+
+/*------------- Timer (TIM) --------------------------------------------------*/
+typedef struct
+{
+  __IO uint32_t IR;
+  __IO uint32_t TCR;
+  __IO uint32_t TC;
+  __IO uint32_t PR;
+  __IO uint32_t PC;
+  __IO uint32_t MCR;
+  __IO uint32_t MR0;
+  __IO uint32_t MR1;
+  __IO uint32_t MR2;
+  __IO uint32_t MR3;
+  __IO uint32_t CCR;
+  __I  uint32_t CR0;
+  __I  uint32_t CR1;
+       uint32_t RESERVED0[2];
+  __IO uint32_t EMR;
+       uint32_t RESERVED1[12];
+  __IO uint32_t CTCR;
+} LPC_TIM_TypeDef;
+
+/*------------- Pulse-Width Modulation (PWM) ---------------------------------*/
+typedef struct
+{
+  __IO uint32_t IR;
+  __IO uint32_t TCR;
+  __IO uint32_t TC;
+  __IO uint32_t PR;
+  __IO uint32_t PC;
+  __IO uint32_t MCR;
+  __IO uint32_t MR0;
+  __IO uint32_t MR1;
+  __IO uint32_t MR2;
+  __IO uint32_t MR3;
+  __IO uint32_t CCR;
+  __I  uint32_t CR0;
+  __I  uint32_t CR1;
+  __I  uint32_t CR2;
+  __I  uint32_t CR3;
+       uint32_t RESERVED0;
+  __IO uint32_t MR4;
+  __IO uint32_t MR5;
+  __IO uint32_t MR6;
+  __IO uint32_t PCR;
+  __IO uint32_t LER;
+       uint32_t RESERVED1[7];
+  __IO uint32_t CTCR;
+} LPC_PWM_TypeDef;
+
+/*------------- Universal Asynchronous Receiver Transmitter (UART) -----------*/
+typedef struct
+{
+  union {
+  __I  uint8_t  RBR;
+  __O  uint8_t  THR;
+  __IO uint8_t  DLL;
+       uint32_t RESERVED0;
+  };
+  union {
+  __IO uint8_t  DLM;
+  __IO uint32_t IER;
+  };
+  union {
+  __I  uint32_t IIR;
+  __O  uint8_t  FCR;
+  };
+  __IO uint8_t  LCR;
+       uint8_t  RESERVED1[7];
+  __IO uint8_t  LSR;
+       uint8_t  RESERVED2[7];
+  __IO uint8_t  SCR;
+       uint8_t  RESERVED3[3];
+  __IO uint32_t ACR;
+  __IO uint8_t  ICR;
+       uint8_t  RESERVED4[3];
+  __IO uint8_t  FDR;
+       uint8_t  RESERVED5[7];
+  __IO uint8_t  TER;
+       uint8_t  RESERVED6[27];
+  __IO uint8_t  RS485CTRL;
+       uint8_t  RESERVED7[3];
+  __IO uint8_t  ADRMATCH;
+} LPC_UART_TypeDef;
+
+typedef struct
+{
+  union {
+  __I  uint8_t  RBR;
+  __O  uint8_t  THR;
+  __IO uint8_t  DLL;
+       uint32_t RESERVED0;
+  };
+  union {
+  __IO uint8_t  DLM;
+  __IO uint32_t IER;
+  };
+  union {
+  __I  uint32_t IIR;
+  __O  uint8_t  FCR;
+  };
+  __IO uint8_t  LCR;
+       uint8_t  RESERVED1[3];
+  __IO uint8_t  MCR;
+       uint8_t  RESERVED2[3];
+  __IO uint8_t  LSR;
+       uint8_t  RESERVED3[3];
+  __IO uint8_t  MSR;
+       uint8_t  RESERVED4[3];
+  __IO uint8_t  SCR;
+       uint8_t  RESERVED5[3];
+  __IO uint32_t ACR;
+       uint32_t RESERVED6;
+  __IO uint32_t FDR;
+       uint32_t RESERVED7;
+  __IO uint8_t  TER;
+       uint8_t  RESERVED8[27];
+  __IO uint8_t  RS485CTRL;
+       uint8_t  RESERVED9[3];
+  __IO uint8_t  ADRMATCH;
+       uint8_t  RESERVED10[3];
+  __IO uint8_t  RS485DLY;
+} LPC_UART1_TypeDef;
+
+/*------------- Serial Peripheral Interface (SPI) ----------------------------*/
+typedef struct
+{
+  __IO uint32_t SPCR;
+  __I  uint32_t SPSR;
+  __IO uint32_t SPDR;
+  __IO uint32_t SPCCR;
+       uint32_t RESERVED0[3];
+  __IO uint32_t SPINT;
+} LPC_SPI_TypeDef;
+
+/*------------- Synchronous Serial Communication (SSP) -----------------------*/
+typedef struct
+{
+  __IO uint32_t CR0;
+  __IO uint32_t CR1;
+  __IO uint32_t DR;
+  __I  uint32_t SR;
+  __IO uint32_t CPSR;
+  __IO uint32_t IMSC;
+  __IO uint32_t RIS;
+  __IO uint32_t MIS;
+  __IO uint32_t ICR;
+  __IO uint32_t DMACR;
+} LPC_SSP_TypeDef;
+
+/*------------- Inter-Integrated Circuit (I2C) -------------------------------*/
+typedef struct
+{
+  __IO uint32_t I2CONSET;
+  __I  uint32_t I2STAT;
+  __IO uint32_t I2DAT;
+  __IO uint32_t I2ADR0;
+  __IO uint32_t I2SCLH;
+  __IO uint32_t I2SCLL;
+  __O  uint32_t I2CONCLR;
+  __IO uint32_t MMCTRL;
+  __IO uint32_t I2ADR1;
+  __IO uint32_t I2ADR2;
+  __IO uint32_t I2ADR3;
+  __I  uint32_t I2DATA_BUFFER;
+  __IO uint32_t I2MASK0;
+  __IO uint32_t I2MASK1;
+  __IO uint32_t I2MASK2;
+  __IO uint32_t I2MASK3;
+} LPC_I2C_TypeDef;
+
+/*------------- Inter IC Sound (I2S) -----------------------------------------*/
+typedef struct
+{
+  __IO uint32_t I2SDAO;
+  __I  uint32_t I2SDAI;
+  __O  uint32_t I2STXFIFO;
+  __I  uint32_t I2SRXFIFO;
+  __I  uint32_t I2SSTATE;
+  __IO uint32_t I2SDMA1;
+  __IO uint32_t I2SDMA2;
+  __IO uint32_t I2SIRQ;
+  __IO uint32_t I2STXRATE;
+  __IO uint32_t I2SRXRATE;
+  __IO uint32_t I2STXBITRATE;
+  __IO uint32_t I2SRXBITRATE;
+  __IO uint32_t I2STXMODE;
+  __IO uint32_t I2SRXMODE;
+} LPC_I2S_TypeDef;
+
+/*------------- Real-Time Clock (RTC) ----------------------------------------*/
+typedef struct
+{
+  __IO uint8_t  ILR;
+       uint8_t  RESERVED0[3];
+  __IO uint8_t  CTC;
+       uint8_t  RESERVED1[3];
+  __IO uint8_t  CCR;
+       uint8_t  RESERVED2[3];
+  __IO uint8_t  CIIR;
+       uint8_t  RESERVED3[3];
+  __IO uint8_t  AMR;
+       uint8_t  RESERVED4[3];
+  __I  uint32_t CTIME0;
+  __I  uint32_t CTIME1;
+  __I  uint32_t CTIME2;
+  __IO uint8_t  SEC;
+       uint8_t  RESERVED5[3];
+  __IO uint8_t  MIN;
+       uint8_t  RESERVED6[3];
+  __IO uint8_t  HOUR;
+       uint8_t  RESERVED7[3];
+  __IO uint8_t  DOM;
+       uint8_t  RESERVED8[3];
+  __IO uint8_t  DOW;
+       uint8_t  RESERVED9[3];
+  __IO uint16_t DOY;
+       uint16_t RESERVED10;
+  __IO uint8_t  MONTH;
+       uint8_t  RESERVED11[3];
+  __IO uint16_t YEAR;
+       uint16_t RESERVED12;
+  __IO uint32_t CALIBRATION;
+  __IO uint32_t GPREG0;
+  __IO uint32_t GPREG1;
+  __IO uint32_t GPREG2;
+  __IO uint32_t GPREG3;
+  __IO uint32_t GPREG4;
+  __IO uint8_t  WAKEUPDIS;
+       uint8_t  RESERVED13[3];
+  __IO uint8_t  PWRCTRL;
+       uint8_t  RESERVED14[3];
+  __IO uint8_t  ALSEC;
+       uint8_t  RESERVED15[3];
+  __IO uint8_t  ALMIN;
+       uint8_t  RESERVED16[3];
+  __IO uint8_t  ALHOUR;
+       uint8_t  RESERVED17[3];
+  __IO uint8_t  ALDOM;
+       uint8_t  RESERVED18[3];
+  __IO uint8_t  ALDOW;
+       uint8_t  RESERVED19[3];
+  __IO uint16_t ALDOY;
+       uint16_t RESERVED20;
+  __IO uint8_t  ALMON;
+       uint8_t  RESERVED21[3];
+  __IO uint16_t ALYEAR;
+       uint16_t RESERVED22;
+} LPC_RTC_TypeDef;
+
+/*------------- Watchdog Timer (WDT) -----------------------------------------*/
+typedef struct
+{
+  __IO uint8_t  WDMOD;
+       uint8_t  RESERVED0[3];
+  __IO uint32_t WDTC;
+  __O  uint8_t  WDFEED;
+       uint8_t  RESERVED1[3];
+  __I  uint32_t WDTV;
+  __IO uint32_t WDCLKSEL;
+} LPC_WDT_TypeDef;
+
+/*------------- Analog-to-Digital Converter (ADC) ----------------------------*/
+typedef struct
+{
+  __IO uint32_t ADCR;
+  __IO uint32_t ADGDR;
+       uint32_t RESERVED0;
+  __IO uint32_t ADINTEN;
+  __I  uint32_t ADDR0;
+  __I  uint32_t ADDR1;
+  __I  uint32_t ADDR2;
+  __I  uint32_t ADDR3;
+  __I  uint32_t ADDR4;
+  __I  uint32_t ADDR5;
+  __I  uint32_t ADDR6;
+  __I  uint32_t ADDR7;
+  __I  uint32_t ADSTAT;
+  __IO uint32_t ADTRM;
+} LPC_ADC_TypeDef;
+
+/*------------- Digital-to-Analog Converter (DAC) ----------------------------*/
+typedef struct
+{
+  __IO uint32_t DACR;
+  __IO uint32_t DACCTRL;
+  __IO uint16_t DACCNTVAL;
+} LPC_DAC_TypeDef;
+
+/*------------- Multimedia Card Interface (MCI) ------------------------------*/
+typedef struct
+{
+  __IO uint32_t MCIPower;               /* Power control                      */
+  __IO uint32_t MCIClock;               /* Clock control                      */
+  __IO uint32_t MCIArgument;
+  __IO uint32_t MMCCommand;
+  __I  uint32_t MCIRespCmd;
+  __I  uint32_t MCIResponse0;
+  __I  uint32_t MCIResponse1;
+  __I  uint32_t MCIResponse2;
+  __I  uint32_t MCIResponse3;
+  __IO uint32_t MCIDataTimer;
+  __IO uint32_t MCIDataLength;
+  __IO uint32_t MCIDataCtrl;
+  __I  uint32_t MCIDataCnt;
+} LPC_MCI_TypeDef;
+
+/*------------- Controller Area Network (CAN) --------------------------------*/
+typedef struct
+{
+  __IO uint32_t mask[512];              /* ID Masks                           */
+} LPC_CANAF_RAM_TypeDef;
+
+typedef struct                          /* Acceptance Filter Registers        */
+{
+  __IO uint32_t AFMR;
+  __IO uint32_t SFF_sa;
+  __IO uint32_t SFF_GRP_sa;
+  __IO uint32_t EFF_sa;
+  __IO uint32_t EFF_GRP_sa;
+  __IO uint32_t ENDofTable;
+  __I  uint32_t LUTerrAd;
+  __I  uint32_t LUTerr;
+} LPC_CANAF_TypeDef;
+
+typedef struct                          /* Central Registers                  */
+{
+  __I  uint32_t CANTxSR;
+  __I  uint32_t CANRxSR;
+  __I  uint32_t CANMSR;
+} LPC_CANCR_TypeDef;
+
+typedef struct                          /* Controller Registers               */
+{
+  __IO uint32_t MOD;
+  __O  uint32_t CMR;
+  __IO uint32_t GSR;
+  __I  uint32_t ICR;
+  __IO uint32_t IER;
+  __IO uint32_t BTR;
+  __IO uint32_t EWL;
+  __I  uint32_t SR;
+  __IO uint32_t RFS;
+  __IO uint32_t RID;
+  __IO uint32_t RDA;
+  __IO uint32_t RDB;
+  __IO uint32_t TFI1;
+  __IO uint32_t TID1;
+  __IO uint32_t TDA1;
+  __IO uint32_t TDB1;
+  __IO uint32_t TFI2;
+  __IO uint32_t TID2;
+  __IO uint32_t TDA2;
+  __IO uint32_t TDB2;
+  __IO uint32_t TFI3;
+  __IO uint32_t TID3;
+  __IO uint32_t TDA3;
+  __IO uint32_t TDB3;
+} LPC_CAN_TypeDef;
+
+/*------------- General Purpose Direct Memory Access (GPDMA) -----------------*/
+typedef struct                          /* Common Registers                   */
+{
+  __I  uint32_t DMACIntStat;
+  __I  uint32_t DMACIntTCStat;
+  __O  uint32_t DMACIntTCClear;
+  __I  uint32_t DMACIntErrStat;
+  __O  uint32_t DMACIntErrClr;
+  __I  uint32_t DMACRawIntTCStat;
+  __I  uint32_t DMACRawIntErrStat;
+  __I  uint32_t DMACEnbldChns;
+  __IO uint32_t DMACSoftBReq;
+  __IO uint32_t DMACSoftSReq;
+  __IO uint32_t DMACSoftLBReq;
+  __IO uint32_t DMACSoftLSReq;
+  __IO uint32_t DMACConfig;
+  __IO uint32_t DMACSync;
+} LPC_GPDMA_TypeDef;
+
+typedef struct                          /* Channel Registers                  */
+{
+  __IO uint32_t DMACCSrcAddr;
+  __IO uint32_t DMACCDestAddr;
+  __IO uint32_t DMACCLLI;
+  __IO uint32_t DMACCControl;
+  __IO uint32_t DMACCConfig;
+} LPC_GPDMACH_TypeDef;
+
+/*------------- Universal Serial Bus (USB) -----------------------------------*/
+typedef struct
+{
+  __I  uint32_t HcRevision;             /* USB Host Registers                 */
+  __IO uint32_t HcControl;
+  __IO uint32_t HcCommandStatus;
+  __IO uint32_t HcInterruptStatus;
+  __IO uint32_t HcInterruptEnable;
+  __IO uint32_t HcInterruptDisable;
+  __IO uint32_t HcHCCA;
+  __I  uint32_t HcPeriodCurrentED;
+  __IO uint32_t HcControlHeadED;
+  __IO uint32_t HcControlCurrentED;
+  __IO uint32_t HcBulkHeadED;
+  __IO uint32_t HcBulkCurrentED;
+  __I  uint32_t HcDoneHead;
+  __IO uint32_t HcFmInterval;
+  __I  uint32_t HcFmRemaining;
+  __I  uint32_t HcFmNumber;
+  __IO uint32_t HcPeriodicStart;
+  __IO uint32_t HcLSTreshold;
+  __IO uint32_t HcRhDescriptorA;
+  __IO uint32_t HcRhDescriptorB;
+  __IO uint32_t HcRhStatus;
+  __IO uint32_t HcRhPortStatus1;
+  __IO uint32_t HcRhPortStatus2;
+       uint32_t RESERVED0[40];
+  __I  uint32_t Module_ID;
+
+  __I  uint32_t OTGIntSt;               /* USB On-The-Go Registers            */
+  __IO uint32_t OTGIntEn;
+  __O  uint32_t OTGIntSet;
+  __O  uint32_t OTGIntClr;
+  __IO uint32_t OTGStCtrl;
+  __IO uint32_t OTGTmr;
+       uint32_t RESERVED1[58];
+
+  __I  uint32_t USBDevIntSt;            /* USB Device Interrupt Registers     */
+  __IO uint32_t USBDevIntEn;
+  __O  uint32_t USBDevIntClr;
+  __O  uint32_t USBDevIntSet;
+
+  __O  uint32_t USBCmdCode;             /* USB Device SIE Command Registers   */
+  __I  uint32_t USBCmdData;
+
+  __I  uint32_t USBRxData;              /* USB Device Transfer Registers      */
+  __O  uint32_t USBTxData;
+  __I  uint32_t USBRxPLen;
+  __O  uint32_t USBTxPLen;
+  __IO uint32_t USBCtrl;
+  __O  uint32_t USBDevIntPri;
+
+  __I  uint32_t USBEpIntSt;             /* USB Device Endpoint Interrupt Regs */
+  __IO uint32_t USBEpIntEn;
+  __O  uint32_t USBEpIntClr;
+  __O  uint32_t USBEpIntSet;
+  __O  uint32_t USBEpIntPri;
+
+  __IO uint32_t USBReEp;                /* USB Device Endpoint Realization Reg*/
+  __O  uint32_t USBEpInd;
+  __IO uint32_t USBMaxPSize;
+
+  __I  uint32_t USBDMARSt;              /* USB Device DMA Registers           */
+  __O  uint32_t USBDMARClr;
+  __O  uint32_t USBDMARSet;
+       uint32_t RESERVED2[9];
+  __IO uint32_t USBUDCAH;
+  __I  uint32_t USBEpDMASt;
+  __O  uint32_t USBEpDMAEn;
+  __O  uint32_t USBEpDMADis;
+  __I  uint32_t USBDMAIntSt;
+  __IO uint32_t USBDMAIntEn;
+       uint32_t RESERVED3[2];
+  __I  uint32_t USBEoTIntSt;
+  __O  uint32_t USBEoTIntClr;
+  __O  uint32_t USBEoTIntSet;
+  __I  uint32_t USBNDDRIntSt;
+  __O  uint32_t USBNDDRIntClr;
+  __O  uint32_t USBNDDRIntSet;
+  __I  uint32_t USBSysErrIntSt;
+  __O  uint32_t USBSysErrIntClr;
+  __O  uint32_t USBSysErrIntSet;
+       uint32_t RESERVED4[15];
+
+  __I  uint32_t I2C_RX;                 /* USB OTG I2C Registers              */
+  __O  uint32_t I2C_WO;
+  __I  uint32_t I2C_STS;
+  __IO uint32_t I2C_CTL;
+  __IO uint32_t I2C_CLKHI;
+  __O  uint32_t I2C_CLKLO;
+       uint32_t RESERVED5[823];
+
+  union {
+  __IO uint32_t USBClkCtrl;             /* USB Clock Control Registers        */
+  __IO uint32_t OTGClkCtrl;
+  };
+  union {
+  __I  uint32_t USBClkSt;
+  __I  uint32_t OTGClkSt;
+  };
+} LPC_USB_TypeDef;
+
+/*------------- Ethernet Media Access Controller (EMAC) ----------------------*/
+typedef struct
+{
+  __IO uint32_t MAC1;                   /* MAC Registers                      */
+  __IO uint32_t MAC2;
+  __IO uint32_t IPGT;
+  __IO uint32_t IPGR;
+  __IO uint32_t CLRT;
+  __IO uint32_t MAXF;
+  __IO uint32_t SUPP;
+  __IO uint32_t TEST;
+  __IO uint32_t MCFG;
+  __IO uint32_t MCMD;
+  __IO uint32_t MADR;
+  __O  uint32_t MWTD;
+  __I  uint32_t MRDD;
+  __I  uint32_t MIND;
+       uint32_t RESERVED0[2];
+  __IO uint32_t SA0;
+  __IO uint32_t SA1;
+  __IO uint32_t SA2;
+       uint32_t RESERVED1[45];
+  __IO uint32_t Command;                /* Control Registers                  */
+  __I  uint32_t Status;
+  __IO uint32_t RxDescriptor;
+  __IO uint32_t RxStatus;
+  __IO uint32_t RxDescriptorNumber;
+  __I  uint32_t RxProduceIndex;
+  __IO uint32_t RxConsumeIndex;
+  __IO uint32_t TxDescriptor;
+  __IO uint32_t TxStatus;
+  __IO uint32_t TxDescriptorNumber;
+  __IO uint32_t TxProduceIndex;
+  __I  uint32_t TxConsumeIndex;
+       uint32_t RESERVED2[10];
+  __I  uint32_t TSV0;
+  __I  uint32_t TSV1;
+  __I  uint32_t RSV;
+       uint32_t RESERVED3[3];
+  __IO uint32_t FlowControlCounter;
+  __I  uint32_t FlowControlStatus;
+       uint32_t RESERVED4[34];
+  __IO uint32_t RxFilterCtrl;           /* Rx Filter Registers                */
+  __IO uint32_t RxFilterWoLStatus;
+  __IO uint32_t RxFilterWoLClear;
+       uint32_t RESERVED5;
+  __IO uint32_t HashFilterL;
+  __IO uint32_t HashFilterH;
+       uint32_t RESERVED6[882];
+  __I  uint32_t IntStatus;              /* Module Control Registers           */
+  __IO uint32_t IntEnable;
+  __O  uint32_t IntClear;
+  __O  uint32_t IntSet;
+       uint32_t RESERVED7;
+  __IO uint32_t PowerDown;
+       uint32_t RESERVED8;
+  __IO uint32_t Module_ID;
+} LPC_EMAC_TypeDef;
+
+#if defined ( __CC_ARM   )
+  #pragma no_anon_unions
+#endif
+
+/******************************************************************************/
+/*                         Peripheral memory map                              */
+/******************************************************************************/
+/* Base addresses                                                             */
+
+/* AHB Peripheral # 0 */
+
+/*
+#define FLASH_BASE            (0x00000000UL)
+#define RAM_BASE              (0x10000000UL)
+#define GPIO_BASE             (0x2009C000UL)
+#define APB0_BASE             (0x40000000UL)
+#define APB1_BASE             (0x40080000UL)
+#define AHB_BASE              (0x50000000UL)
+#define CM3_BASE              (0xE0000000UL)
+*/
+
+// TODO - #define VIC_BASE_ADDR	0xFFFFF000
+
+#define LPC_WDT_BASE              (0xE0000000)
+#define LPC_TIM0_BASE             (0xE0004000)
+#define LPC_TIM1_BASE             (0xE0008000)
+#define LPC_UART0_BASE            (0xE000C000)
+#define LPC_UART1_BASE            (0xE0010000)
+#define LPC_PWM1_BASE             (0xE0018000)
+#define LPC_I2C0_BASE             (0xE001C000)
+#define LPC_SPI_BASE              (0xE0020000)
+#define LPC_RTC_BASE              (0xE0024000)
+#define LPC_GPIOINT_BASE          (0xE0028080)
+#define LPC_PINCON_BASE           (0xE002C000)
+#define LPC_SSP1_BASE             (0xE0030000)
+#define LPC_ADC_BASE              (0xE0034000)
+#define LPC_CANAF_RAM_BASE        (0xE0038000)
+#define LPC_CANAF_BASE            (0xE003C000)
+#define LPC_CANCR_BASE            (0xE0040000)
+#define LPC_CAN1_BASE             (0xE0044000)
+#define LPC_CAN2_BASE             (0xE0048000)
+#define LPC_I2C1_BASE             (0xE005C000)
+#define LPC_SSP0_BASE             (0xE0068000)
+#define LPC_DAC_BASE              (0xE006C000)
+#define LPC_TIM2_BASE             (0xE0070000)
+#define LPC_TIM3_BASE             (0xE0074000)
+#define LPC_UART2_BASE            (0xE0078000)
+#define LPC_UART3_BASE            (0xE007C000)
+#define LPC_I2C2_BASE             (0xE0080000)
+#define LPC_I2S_BASE              (0xE0088000)
+#define LPC_MCI_BASE              (0xE008C000)
+#define LPC_SC_BASE               (0xE01FC000)
+#define LPC_EMAC_BASE             (0xFFE00000)
+#define LPC_GPDMA_BASE            (0xFFE04000)
+#define LPC_GPDMACH0_BASE         (0xFFE04100)
+#define LPC_GPDMACH1_BASE         (0xFFE04120)
+#define LPC_USB_BASE              (0xFFE0C000)
+#define LPC_VIC_BASE              (0xFFFFF000)
+
+/* GPIOs                                                                      */
+#define LPC_GPIO0_BASE            (0x3FFFC000)
+#define LPC_GPIO1_BASE            (0x3FFFC020)
+#define LPC_GPIO2_BASE            (0x3FFFC040)
+#define LPC_GPIO3_BASE            (0x3FFFC060)
+#define LPC_GPIO4_BASE            (0x3FFFC080)
+
+
+/******************************************************************************/
+/*                         Peripheral declaration                             */
+/******************************************************************************/
+#define LPC_SC                    ((       LPC_SC_TypeDef *)        LPC_SC_BASE)
+#define LPC_GPIO0                 ((     LPC_GPIO_TypeDef *)     LPC_GPIO0_BASE)
+#define LPC_GPIO1                 ((     LPC_GPIO_TypeDef *)     LPC_GPIO1_BASE)
+#define LPC_GPIO2                 ((     LPC_GPIO_TypeDef *)     LPC_GPIO2_BASE)
+#define LPC_GPIO3                 ((     LPC_GPIO_TypeDef *)     LPC_GPIO3_BASE)
+#define LPC_GPIO4                 ((     LPC_GPIO_TypeDef *)     LPC_GPIO4_BASE)
+#define LPC_WDT                   ((      LPC_WDT_TypeDef *)       LPC_WDT_BASE)
+#define LPC_TIM0                  ((      LPC_TIM_TypeDef *)      LPC_TIM0_BASE)
+#define LPC_TIM1                  ((      LPC_TIM_TypeDef *)      LPC_TIM1_BASE)
+#define LPC_TIM2                  ((      LPC_TIM_TypeDef *)      LPC_TIM2_BASE)
+#define LPC_TIM3                  ((      LPC_TIM_TypeDef *)      LPC_TIM3_BASE)
+#define LPC_UART0                 ((     LPC_UART_TypeDef *)     LPC_UART0_BASE)
+#define LPC_UART1                 ((    LPC_UART1_TypeDef *)     LPC_UART1_BASE)
+#define LPC_UART2                 ((     LPC_UART_TypeDef *)     LPC_UART2_BASE)
+#define LPC_UART3                 ((     LPC_UART_TypeDef *)     LPC_UART3_BASE)
+#define LPC_PWM1                  ((      LPC_PWM_TypeDef *)      LPC_PWM1_BASE)
+#define LPC_I2C0                  ((      LPC_I2C_TypeDef *)      LPC_I2C0_BASE)
+#define LPC_I2C1                  ((      LPC_I2C_TypeDef *)      LPC_I2C1_BASE)
+#define LPC_I2C2                  ((      LPC_I2C_TypeDef *)      LPC_I2C2_BASE)
+#define LPC_I2S                   ((      LPC_I2S_TypeDef *)       LPC_I2S_BASE)
+#define LPC_SPI                   ((      LPC_SPI_TypeDef *)       LPC_SPI_BASE)
+#define LPC_RTC                   ((      LPC_RTC_TypeDef *)       LPC_RTC_BASE)
+#define LPC_GPIOINT               ((  LPC_GPIOINT_TypeDef *)   LPC_GPIOINT_BASE)
+#define LPC_PINCON                ((   LPC_PINCON_TypeDef *)    LPC_PINCON_BASE)
+#define LPC_SSP0                  ((      LPC_SSP_TypeDef *)      LPC_SSP0_BASE)
+#define LPC_SSP1                  ((      LPC_SSP_TypeDef *)      LPC_SSP1_BASE)
+#define LPC_ADC                   ((      LPC_ADC_TypeDef *)       LPC_ADC_BASE)
+#define LPC_DAC                   ((      LPC_DAC_TypeDef *)       LPC_DAC_BASE)
+#define LPC_CANAF_RAM             ((LPC_CANAF_RAM_TypeDef *) LPC_CANAF_RAM_BASE)
+#define LPC_CANAF                 ((    LPC_CANAF_TypeDef *)     LPC_CANAF_BASE)
+#define LPC_CANCR                 ((    LPC_CANCR_TypeDef *)     LPC_CANCR_BASE)
+#define LPC_CAN1                  ((      LPC_CAN_TypeDef *)      LPC_CAN1_BASE)
+#define LPC_CAN2                  ((      LPC_CAN_TypeDef *)      LPC_CAN2_BASE)
+#define LPC_MCI                   ((      LPC_MCI_TypeDef *)       LPC_MCI_BASE)
+#define LPC_EMAC                  ((     LPC_EMAC_TypeDef *)      LPC_EMAC_BASE)
+#define LPC_GPDMA                 ((    LPC_GPDMA_TypeDef *)     LPC_GPDMA_BASE)
+#define LPC_GPDMACH0              ((  LPC_GPDMACH_TypeDef *)  LPC_GPDMACH0_BASE)
+#define LPC_GPDMACH1              ((  LPC_GPDMACH_TypeDef *)  LPC_GPDMACH1_BASE)
+#define LPC_USB                   ((      LPC_USB_TypeDef *)       LPC_USB_BASE)
+#define LPC_VIC                   ((      LPC_VIC_TypeDef *)       LPC_VIC_BASE)
+
+#ifdef __cplusplus
+ }
+#endif 
+
+#endif  // __LPC23xx_H
+
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/cmsis.h b/libraries/mbed/vendor/NXP/cmsis/LPC2368/cmsis.h
new file mode 100644
index 0000000000..3926baf40a
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/cmsis.h
@@ -0,0 +1,13 @@
+/* mbed Microcontroller Library - CMSIS
+ * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
+ * 
+ * A generic CMSIS include header, pulling in LPC2368 specifics
+ */
+
+#ifndef MBED_CMSIS_H
+#define MBED_CMSIS_H
+
+#include "LPC23xx.h"
+#include "cmsis_nvic.h"
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/cmsis_nvic.c b/libraries/mbed/vendor/NXP/cmsis/LPC2368/cmsis_nvic.c
new file mode 100644
index 0000000000..71db8cc9cb
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/cmsis_nvic.c
@@ -0,0 +1,16 @@
+/* mbed Microcontroller Library - cmsis_nvic for LPC2368
+ * Copyright (c) 2009 ARM Limited. All rights reserved.
+ *
+ * CMSIS-style functionality to support dynamic vectors
+ */ 
+
+#include "cmsis_nvic.h"
+
+void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
+    LPC_VIC->VectAddr[(int)IRQn] = vector;
+}
+
+uint32_t NVIC_GetVector(IRQn_Type IRQn) {
+    return LPC_VIC->VectAddr[(int)IRQn];
+}
+
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/cmsis_nvic.h b/libraries/mbed/vendor/NXP/cmsis/LPC2368/cmsis_nvic.h
new file mode 100644
index 0000000000..299d3879be
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/cmsis_nvic.h
@@ -0,0 +1,23 @@
+/* mbed Microcontroller Library - cmsis_nvic
+ * Copyright (c) 2009-2011 ARM Limited. All rights reserved.
+ *
+ * CMSIS-style functionality to support dynamic vectors
+ */ 
+
+#ifndef MBED_CMSIS_NVIC_H
+#define MBED_CMSIS_NVIC_H
+
+#include "cmsis.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector);
+uint32_t NVIC_GetVector(IRQn_Type IRQn);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/core_arm7.c b/libraries/mbed/vendor/NXP/cmsis/LPC2368/core_arm7.c
new file mode 100644
index 0000000000..3ed1daeeb4
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/core_arm7.c
@@ -0,0 +1,44 @@
+/* mbed Microcontroller Library
+ * Copyright (C) 2008-2009 ARM Limited. All rights reserved.
+ *
+ * ARM7 version of CMSIS-like functionality - not advised for use outside mbed!
+ * based on core_cm3.h, V1.20
+ */
+
+#include 
+
+
+/* define compiler specific symbols */
+#if defined   ( __CC_ARM   )
+  #define __ASM            __asm           /*!< asm keyword for armcc           */
+  #define __INLINE         __inline        /*!< inline keyword for armcc        */
+
+#elif defined ( __ICCARM__ )
+  #define __ASM           __asm            /*!< asm keyword for iarcc           */
+  #define __INLINE        inline           /*!< inline keyword for iarcc. Only avaiable in High optimization mode! */
+
+#elif defined (  __GNUC__  )
+  #define __ASM             __asm          /*!< asm keyword for gcc            */
+  #define __INLINE          inline         /*!< inline keyword for gcc         */
+
+#elif defined   (  __TASKING__  )
+  #define __ASM            __asm           /*!< asm keyword for TASKING Compiler          */
+  #define __INLINE         inline          /*!< inline keyword for TASKING Compiler       */
+
+#endif
+
+#if defined ( __CC_ARM   )
+/**
+ * @brief  Return the Main Stack Pointer (return current ARM7 stack)
+ *
+ * @param  none
+ * @return uint32_t Main Stack Pointer
+ *
+ * Return the current value of the MSP (main stack pointer)
+ * Cortex processor register
+ */
+uint32_t __get_MSP(void)
+{
+    return __current_sp();
+}
+#endif
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/core_arm7.h b/libraries/mbed/vendor/NXP/cmsis/LPC2368/core_arm7.h
new file mode 100644
index 0000000000..dbd21b426b
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/core_arm7.h
@@ -0,0 +1,265 @@
+/* mbed Microcontroller Library
+ * Copyright (C) 2008-2009 ARM Limited. All rights reserved.
+ *
+ * ARM7 version of CMSIS-like functionality - not advised for use outside mbed!
+ * based on core_cm3.h, V1.20
+ */
+
+#ifndef __ARM7_CORE_H__
+#define __ARM7_CORE_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+#define __CM3_CMSIS_VERSION_MAIN  (0x01)                                                       /*!< [31:16] CMSIS HAL main version */
+#define __CM3_CMSIS_VERSION_SUB   (0x20)                                                       /*!< [15:0]  CMSIS HAL sub version  */
+#define __CM3_CMSIS_VERSION       ((__CM3_CMSIS_VERSION_MAIN << 16) | __CM3_CMSIS_VERSION_SUB) /*!< CMSIS HAL version number       */
+
+#define __CORTEX_M                (0x03)                                                       /*!< Cortex core                    */
+
+/**
+ *  Lint configuration \n
+ *  ----------------------- \n
+ *
+ *  The following Lint messages will be suppressed and not shown: \n
+ *  \n
+ *    --- Error 10: --- \n
+ *    register uint32_t __regBasePri         __asm("basepri"); \n
+ *    Error 10: Expecting ';' \n
+ *     \n
+ *    --- Error 530: --- \n
+ *    return(__regBasePri); \n
+ *    Warning 530: Symbol '__regBasePri' (line 264) not initialized \n
+ *     \n
+ *    --- Error 550: --- \n
+ *      __regBasePri = (basePri & 0x1ff); \n
+ *    } \n
+ *    Warning 550: Symbol '__regBasePri' (line 271) not accessed \n
+ *     \n
+ *    --- Error 754: --- \n
+ *    uint32_t RESERVED0[24]; \n
+ *    Info 754: local structure member '' (line 109, file ./cm3_core.h) not referenced \n
+ *     \n
+ *    --- Error 750: --- \n
+ *    #define __CM3_CORE_H__ \n
+ *    Info 750: local macro '__CM3_CORE_H__' (line 43, file./cm3_core.h) not referenced \n
+ *     \n
+ *    --- Error 528: --- \n
+ *    static __INLINE void NVIC_DisableIRQ(uint32_t IRQn) \n
+ *    Warning 528: Symbol 'NVIC_DisableIRQ(unsigned int)' (line 419, file ./cm3_core.h) not referenced \n
+ *     \n
+ *    --- Error 751: --- \n
+ *    } InterruptType_Type; \n
+ *    Info 751: local typedef 'InterruptType_Type' (line 170, file ./cm3_core.h) not referenced \n
+ * \n
+ * \n
+ *    Note:  To re-enable a Message, insert a space before 'lint' * \n
+ *
+ */
+
+/*lint -save */
+/*lint -e10  */
+/*lint -e530 */
+/*lint -e550 */
+/*lint -e754 */
+/*lint -e750 */
+/*lint -e528 */
+/*lint -e751 */
+
+#include                            /* Include standard types */
+
+#if defined ( __CC_ARM   )
+/**
+ * @brief  Return the Main Stack Pointer (current ARM7 stack)
+ *
+ * @param  none
+ * @return uint32_t Main Stack Pointer
+ *
+ * Return the current value of the MSP (main stack pointer)
+ * Cortex processor register
+ */
+extern uint32_t __get_MSP(void);
+#endif
+
+
+#if defined (__ICCARM__)
+  #include                      /* IAR Intrinsics   */
+#endif
+
+
+#ifndef __NVIC_PRIO_BITS
+  #define __NVIC_PRIO_BITS    4               /*!< standard definition for NVIC Priority Bits */
+#endif
+
+typedef struct
+{
+  uint32_t IRQStatus;
+  uint32_t FIQStatus;
+  uint32_t RawIntr;
+  uint32_t IntSelect;
+  uint32_t IntEnable;
+  uint32_t IntEnClr;
+  uint32_t SoftInt;
+  uint32_t SoftIntClr;
+  uint32_t Protection;
+  uint32_t SWPriorityMask;
+  uint32_t RESERVED0[54];
+  uint32_t VectAddr[32];
+  uint32_t RESERVED1[32];
+  uint32_t VectPriority[32];
+  uint32_t RESERVED2[800];
+  uint32_t Address;
+} NVIC_TypeDef;
+
+#define NVIC_BASE              (0xFFFFF000)
+#define NVIC                   ((      NVIC_TypeDef *)       NVIC_BASE)
+
+
+
+/**
+ * IO definitions
+ *
+ * define access restrictions to peripheral registers
+ */
+
+#ifdef __cplusplus
+#define     __I     volatile                  /*!< defines 'read only' permissions      */
+#else
+#define     __I     volatile const            /*!< defines 'read only' permissions      */
+#endif
+#define     __O     volatile                  /*!< defines 'write only' permissions     */
+#define     __IO    volatile                  /*!< defines 'read / write' permissions   */
+
+
+
+
+
+#if defined ( __CC_ARM   )
+  #define __ASM            __asm                                      /*!< asm keyword for ARM Compiler          */
+  #define __INLINE         __inline                                   /*!< inline keyword for ARM Compiler       */
+
+#elif defined ( __ICCARM__ )
+  #define __ASM           __asm                                       /*!< asm keyword for IAR Compiler           */
+  #define __INLINE        inline                                      /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */
+
+#elif defined   (  __GNUC__  )
+  #define __ASM            __asm                                      /*!< asm keyword for GNU Compiler          */
+  #define __INLINE         inline                                     /*!< inline keyword for GNU Compiler       */
+
+#elif defined   (  __TASKING__  )
+  #define __ASM            __asm                                      /*!< asm keyword for TASKING Compiler          */
+  #define __INLINE         inline                                     /*!< inline keyword for TASKING Compiler       */
+
+#endif
+
+
+/* ###################  Compiler specific Intrinsics  ########################### */
+
+#if defined ( __CC_ARM   ) /*------------------RealView Compiler -----------------*/
+/* ARM armcc specific functions */
+
+#define __enable_fault_irq                __enable_fiq
+#define __disable_fault_irq               __disable_fiq
+
+#define __NOP                             __nop
+//#define __WFI                             __wfi
+//#define __WFE                             __wfe
+//#define __SEV                             __sev
+//#define __ISB()                           __isb(0)
+//#define __DSB()                           __dsb(0)
+//#define __DMB()                           __dmb(0)
+//#define __REV                             __rev
+//#define __RBIT                            __rbit
+#define __LDREXB(ptr)                     ((unsigned char ) __ldrex(ptr))
+#define __LDREXH(ptr)                     ((unsigned short) __ldrex(ptr))
+#define __LDREXW(ptr)                     ((unsigned int  ) __ldrex(ptr))
+#define __STREXB(value, ptr)              __strex(value, ptr)
+#define __STREXH(value, ptr)              __strex(value, ptr)
+#define __STREXW(value, ptr)              __strex(value, ptr)
+
+#define __disable_irq()         unsigned tmp_IntEnable = LPC_VIC->IntEnable; \
+                                LPC_VIC->IntEnClr = 0xffffffff
+
+#define __enable_irq()          LPC_VIC->IntEnable = tmp_IntEnable
+
+#elif (defined (__ICCARM__)) /*------------------ ICC Compiler -------------------*/
+
+#define __enable_irq                              __enable_interrupt        /*!< global Interrupt enable */
+#define __disable_irq                             __disable_interrupt       /*!< global Interrupt disable */
+#define __NOP                                     __no_operation()          /*!< no operation intrinsic in IAR Compiler */ 
+
+#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
+
+static __INLINE void __enable_irq() {
+    unsigned long temp;
+    __asm__ __volatile__("mrs %0, cpsr\n"
+                         "bic %0, %0, #0x80\n"
+                         "msr cpsr_c, %0"
+                         : "=r" (temp)
+                         :
+                         : "memory");
+}
+
+static __INLINE void __disable_irq() {
+    unsigned long old,temp;
+    __asm__ __volatile__("mrs %0, cpsr\n"
+                         "orr %1, %0, #0xc0\n"
+                         "msr cpsr_c, %1"
+                         : "=r" (old), "=r" (temp)
+                         :
+                         : "memory");
+    // return (old & 0x80) == 0;
+}
+
+static __INLINE void __NOP()                      { __ASM volatile ("nop"); }
+
+#elif (defined (__TASKING__)) /*------------------ TASKING Compiler ---------------------*/
+/* TASKING carm specific functions */
+
+/*
+ * The CMSIS functions have been implemented as intrinsics in the compiler.
+ * Please use "carm -?i" to get an up to date list of all instrinsics,
+ * Including the CMSIS ones.
+ */
+
+#endif
+
+
+/**
+ * @brief  Enable Interrupt in NVIC Interrupt Controller
+ *
+ * @param  IRQn_Type IRQn specifies the interrupt number
+ * @return none 
+ *
+ * Enable a device specific interupt in the NVIC interrupt controller.
+ * The interrupt number cannot be a negative value.
+ */
+static __INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
+{
+ NVIC->IntEnable = 1 << (uint32_t)IRQn;
+}
+
+
+/**
+ * @brief  Disable the interrupt line for external interrupt specified
+ * 
+ * @param  IRQn_Type IRQn is the positive number of the external interrupt
+ * @return none
+ * 
+ * Disable a device specific interupt in the NVIC interrupt controller.
+ * The interrupt number cannot be a negative value.
+ */
+static __INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
+{
+ NVIC->IntEnClr = 1 << (uint32_t)IRQn;
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ARM7_CORE_H__ */
+
+/*lint -restore */
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/system_LPC23xx.c b/libraries/mbed/vendor/NXP/cmsis/LPC2368/system_LPC23xx.c
new file mode 100644
index 0000000000..cbf5cd7716
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/system_LPC23xx.c
@@ -0,0 +1,149 @@
+/* mbed Microcontroller Library
+ * Copyright (C) 2008-2009 ARM Limited. All rights reserved.
+ *
+ * ARM7 version of CMSIS-like functionality - not advised for use outside mbed!
+ */
+
+#include 
+#include "LPC23xx.h"
+
+#define CLOCK_SETUP           1
+#define SCS_Val               0x00000020
+#define CLKSRCSEL_Val         0x00000001
+
+#define PLL0_SETUP            1
+#define PLL0CFG_Val           0x00000013
+#define CCLKCFG_Val           0x00000007
+#define USBCLKCFG_Val         0x00000009
+#define PCLKSEL0_Val          0x00000000
+#define PCLKSEL1_Val          0x00000000
+#define PCONP_Val             0x042887DE
+#define CLKOUTCFG_Val         0x00000000
+#define MAMCR_Val             0x00000001  // there is a bug in the MAM so it should never be fully enabled (only disabled or partially enabled)
+#define MAMTIM_Val            0x00000004
+
+/*----------------------------------------------------------------------------
+  DEFINES
+ *----------------------------------------------------------------------------*/
+    
+#define XTAL        (12000000UL)        /* Oscillator frequency               */
+#define OSC_CLK     (      XTAL)        /* Main oscillator frequency          */
+#define RTC_CLK     (   32000UL)        /* RTC oscillator frequency           */
+#define IRC_OSC     ( 4000000UL)        /* Internal RC oscillator frequency   */
+
+/* F_cco0 = (2 * M * F_in) / N  */
+#define __M               (((PLL0CFG_Val      ) & 0x7FFF) + 1)
+#define __N               (((PLL0CFG_Val >> 16) & 0x00FF) + 1)
+#define __FCCO(__F_IN)    ((2 * __M * __F_IN) / __N) 
+#define __CCLK_DIV        (((CCLKCFG_Val      ) & 0x00FF) + 1)
+
+/* Determine core clock frequency according to settings */
+ #if (PLL0_SETUP)
+    #if   ((CLKSRCSEL_Val & 0x03) == 1)
+        #define __CORE_CLK (__FCCO(OSC_CLK) / __CCLK_DIV)
+    #elif ((CLKSRCSEL_Val & 0x03) == 2)
+        #define __CORE_CLK (__FCCO(RTC_CLK) / __CCLK_DIV)
+    #else 
+        #define __CORE_CLK (__FCCO(IRC_OSC) / __CCLK_DIV)
+    #endif
+ #endif
+
+
+/*----------------------------------------------------------------------------
+  Clock Variable definitions
+ *----------------------------------------------------------------------------*/
+uint32_t SystemCoreClock = __CORE_CLK;/*!< System Clock Frequency (Core Clock)*/
+
+/*----------------------------------------------------------------------------
+  Clock functions
+ *----------------------------------------------------------------------------*/
+void SystemCoreClockUpdate (void)            /* Get Core Clock Frequency      */
+{
+  /* Determine clock frequency according to clock register values             */
+  if (((LPC_SC->PLL0STAT >> 24) & 3) == 3) { /* If PLL0 enabled and connected */
+    switch (LPC_SC->CLKSRCSEL & 0x03) {
+      case 0:                                /* Int. RC oscillator => PLL0    */
+      case 3:                                /* Reserved, default to Int. RC  */
+        SystemCoreClock = (IRC_OSC * 
+                          (((2 * ((LPC_SC->PLL0STAT & 0x7FFF) + 1))) /
+                          (((LPC_SC->PLL0STAT >> 16) & 0xFF) + 1))   /
+                          ((LPC_SC->CCLKCFG & 0xFF)+ 1));
+        break;
+      case 1:                                /* Main oscillator => PLL0       */
+        SystemCoreClock = (OSC_CLK * 
+                          (((2 * ((LPC_SC->PLL0STAT & 0x7FFF) + 1))) /
+                          (((LPC_SC->PLL0STAT >> 16) & 0xFF) + 1))   /
+                          ((LPC_SC->CCLKCFG & 0xFF)+ 1));
+        break;
+      case 2:                                /* RTC oscillator => PLL0        */
+        SystemCoreClock = (RTC_CLK * 
+                          (((2 * ((LPC_SC->PLL0STAT & 0x7FFF) + 1))) /
+                          (((LPC_SC->PLL0STAT >> 16) & 0xFF) + 1))   /
+                          ((LPC_SC->CCLKCFG & 0xFF)+ 1));
+        break;
+    }
+  } else {
+    switch (LPC_SC->CLKSRCSEL & 0x03) {
+      case 0:                                /* Int. RC oscillator => PLL0    */
+      case 3:                                /* Reserved, default to Int. RC  */
+        SystemCoreClock = IRC_OSC / ((LPC_SC->CCLKCFG & 0xFF)+ 1);
+        break;
+      case 1:                                /* Main oscillator => PLL0       */
+        SystemCoreClock = OSC_CLK / ((LPC_SC->CCLKCFG & 0xFF)+ 1);
+        break;
+      case 2:                                /* RTC oscillator => PLL0        */
+        SystemCoreClock = RTC_CLK / ((LPC_SC->CCLKCFG & 0xFF)+ 1);
+        break;
+    }
+  }
+}
+
+// Make sure we are pulling in the retargeting module at link time
+extern int stdio_retargeting_module;
+
+/**
+ * Initialize the system
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Setup the microcontroller system.
+ *         Initialize the System and update the SystemFrequency variable.
+ */
+void SystemInit (void)
+{
+#if (CLOCK_SETUP)                       /* Clock Setup                        */
+  LPC_SC->SCS       = SCS_Val;
+  if (SCS_Val & (1 << 5)) {             /* If Main Oscillator is enabled      */
+    while ((LPC_SC->SCS & (1 << 6)) == 0);  /* Wait for Oscillator to be ready    */
+  }
+
+  LPC_SC->CCLKCFG   = CCLKCFG_Val;          /* Setup Clock Divider                */
+
+#if (PLL0_SETUP)
+  LPC_SC->CLKSRCSEL = CLKSRCSEL_Val;        /* Select Clock Source for PLL0       */
+  LPC_SC->PLL0CFG   = PLL0CFG_Val;
+  LPC_SC->PLL0CON   = 0x01;                 /* PLL0 Enable                        */
+  LPC_SC->PLL0FEED  = 0xAA;
+  LPC_SC->PLL0FEED  = 0x55;
+  while (!(LPC_SC->PLL0STAT & (1 << 26)));  /* Wait for PLOCK0                    */
+
+  LPC_SC->PLL0CON   = 0x03;                 /* PLL0 Enable & Connect              */
+  LPC_SC->PLL0FEED  = 0xAA;
+  LPC_SC->PLL0FEED  = 0x55;
+#endif
+
+  LPC_SC->USBCLKCFG = USBCLKCFG_Val;        /* Setup USB Clock Divider            */
+#endif
+
+  LPC_SC->PCLKSEL0  = PCLKSEL0_Val;         /* Peripheral Clock Selection         */
+  LPC_SC->PCLKSEL1  = PCLKSEL1_Val;
+
+  LPC_SC->PCONP     = PCONP_Val;            /* Power Control for Peripherals      */
+    
+  // Setup MAM
+  LPC_SC->MAMTIM      = MAMTIM_Val;
+  LPC_SC->MAMCR       = MAMCR_Val;
+  
+  stdio_retargeting_module = 1;
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/system_LPC23xx.h b/libraries/mbed/vendor/NXP/cmsis/LPC2368/system_LPC23xx.h
new file mode 100644
index 0000000000..f14b72a83b
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/system_LPC23xx.h
@@ -0,0 +1,44 @@
+/* mbed Microcontroller Library
+ * Copyright (C) 2008-2009 ARM Limited. All rights reserved.
+ *
+ * ARM7 version of CMSIS-like functionality - not advised for use outside mbed!
+ * based on cmsis system_LPC17xx.h 
+ */
+
+#ifndef __SYSTEM_LPC23xx_H
+#define __SYSTEM_LPC23xx_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif 
+
+extern uint32_t SystemCoreClock;     /*!< System Clock Frequency (Core Clock)  */
+
+/**
+ * Initialize the system
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Setup the microcontroller system.
+ *         Initialize the System and update the SystemCoreClock variable.
+ */
+extern void SystemInit (void);
+
+/**
+ * Update SystemCoreClock variable
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Updates the SystemCoreClock with current core Clock 
+ *         retrieved from cpu registers.
+ */
+extern void SystemCoreClockUpdate (void);
+
+
+#ifdef __cplusplus
+}
+#endif 
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/uARM/LPC2368.sct b/libraries/mbed/vendor/NXP/cmsis/LPC2368/uARM/LPC2368.sct
new file mode 100644
index 0000000000..e2fdfdc09f
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/uARM/LPC2368.sct
@@ -0,0 +1,24 @@
+
+LR_IROM1 0x00000000 0x80000  {    ; load region size_region
+  ER_IROM1 0x00000000 0x80000  {  ; load address = execution address
+   *.o (RESET, +First)
+   *(InRoot$$Sections)
+   .ANY (+RO)
+  }
+  RW_IRAM1 0x40000120 0x7EE0  {  ; RW data, inc space for realmonitor
+   .ANY (+RW +ZI)
+  }
+  RW_IRAM2 0x7FD00000 0x2000  {  ; RW data, USB RAM
+   .ANY (AHBSRAM0)
+  }
+  RW_IRAM3 0x7FE00000 0x4000  {  ; RW data, ETH RAM
+   .ANY (AHBSRAM1)
+  }
+  RW_IRAM4 0xE0038000 0x0800  {  ; RW data, CAN RAM
+   .ANY (CANRAM)
+  }
+  RW_IRAM5 0xE0084000 0x0800  {  ; RW data, RTC RAM
+   .ANY (RTCRAM)
+  }
+}
+
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/uARM/sys.cpp b/libraries/mbed/vendor/NXP/cmsis/LPC2368/uARM/sys.cpp
new file mode 100644
index 0000000000..2f1024ace8
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/uARM/sys.cpp
@@ -0,0 +1,31 @@
+/* mbed Microcontroller Library - stackheap
+ * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
+ * 
+ * Setup a fixed single stack/heap memory model, 
+ *  between the top of the RW/ZI region and the stackpointer
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+#include 
+#include 
+
+extern char Image$$RW_IRAM1$$ZI$$Limit[];
+
+extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
+    uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
+    uint32_t sp_limit = __current_sp();
+
+    zi_limit = (zi_limit + 7) & ~0x7;    // ensure zi_limit is 8-byte aligned
+
+    struct __initial_stackheap r;
+    r.heap_base = zi_limit;
+    r.heap_limit = sp_limit;
+    return r;
+}
+
+#ifdef __cplusplus
+}
+#endif 
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/uARM/vector_functions.s b/libraries/mbed/vendor/NXP/cmsis/LPC2368/uARM/vector_functions.s
new file mode 100644
index 0000000000..462eb73c10
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/uARM/vector_functions.s
@@ -0,0 +1,248 @@
+;/* mbed Microcontroller Library - InterruptIn
+; * Copyright (c) 2006-2009 ARM Limited. All rights reserved.
+; */
+ 
+#line 1 "vector_functions.s"
+;
+;
+;
+
+#line 1 "vector_defns.h"
+
+
+
+ 
+
+
+
+ 
+
+#line 21 "vector_defns.h"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#line 47 "vector_defns.h"
+
+
+#line 58 "vector_defns.h"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#line 6 "vector_functions.s"
+
+
+        AREA    VECFUNCS, CODE, READONLY
+        ARM
+        PRESERVE8
+
+
+
+
+
+        EXPORT __mbed_fiq [WEAK]
+        EXPORT __mbed_undef [WEAK]
+        EXPORT __mbed_prefetch_abort [WEAK]
+        EXPORT __mbed_data_abort [WEAK]
+        EXPORT __mbed_irq [WEAK]
+        EXPORT __mbed_swi [WEAK]
+        EXPORT __mbed_dcc_irq [WEAK]
+        EXPORT __mbed_reset [WEAK]
+        IMPORT __mbed_init_realmonitor
+
+;
+;
+__mbed_fiq
+        B       __mbed_fiq
+
+;
+;
+__mbed_undef
+        LDR     PC, =0x7fffffa0
+
+;
+;
+__mbed_prefetch_abort
+        LDR     PC, =0x7fffffb0
+
+;
+;
+__mbed_data_abort
+        LDR     PC, =0x7fffffc0
+
+;
+;
+;
+;
+;
+;
+;
+;
+;
+__mbed_irq
+        ;
+        MSR     CPSR_c, #0x1F:OR:0x80:OR:0x40
+                
+        ;
+        STMDB   sp!, {r0-r3,r12,lr}    
+
+        ;
+        MOV	r0, #0xFFFFFF00
+        LDR	r0, [r0]	
+
+        ;
+        MOV     lr, pc       
+        BX      r0           
+			    				
+        ;
+        MOV	r0, #0xFFFFFF00
+        STR	r0, [r0]			;
+				
+        ;
+        LDMFD   sp!,{r0-r3,r12,lr}
+
+        ;
+        MSR     CPSR_c, #0x12:OR:0x80:OR:0x40
+
+        ;
+        SUBS    pc, lr, #4 
+
+;
+;
+;
+;
+__mbed_swi
+        ;
+        ;
+        STMFD   sp!, {a4, r4, ip, lr}
+
+        ;
+        LDR     r4, =0x40000040
+
+        ;
+        ;
+        LDR     a4, =0x00940000
+        LDR	PC, =0x7ffff820				
+
+;
+;
+;
+;
+__mbed_dcc_irq
+
+        ;
+			
+        ;
+        LDMFD    sp!,{r0-r3,r12,lr}
+
+        ;
+        MSR     CPSR_c, #0x12:OR:0x80:OR:0x40
+
+        ;
+				
+        ;
+        SUB     lr, lr, #4              ;
+        STMFD   sp!, {ip,lr}            ;
+			
+        ;
+        LDR     LR, =0xfffff000
+        STR     LR, [LR, #0xf00]
+			
+        ;
+        ;
+        ;
+        ;
+        LDR     PC, =0x7fffffe0			 
+
+;
+; __mbed_reset is called after reset
+; we setup the stacks and realmonitor, then call Reset_Handler like on M3
+
+; Reset Handler
+
+Reset_Handler   PROC
+                EXPORT  Reset_Handler             [WEAK]
+                IMPORT  SystemInit
+                IMPORT  __main
+                LDR     R0, =SystemInit
+                MOV     LR, PC       
+                BX      R0
+                LDR     R0, =__main
+                BX      R0
+                ENDP
+
+__mbed_reset
+
+        ;
+
+        LDR     R0, =(0x40000000 + 0x8000)
+
+        ;
+        MSR     CPSR_c, #0x1B:OR:0x80:OR:0x40
+        MOV     SP, R0
+        SUB     R0, R0, #0x00000040
+
+        ;
+        MSR     CPSR_c, #0x17:OR:0x80:OR:0x40
+        MOV     SP, R0
+        SUB     R0, R0, #0x00000040
+
+        ;
+        MSR     CPSR_c, #0x11:OR:0x80:OR:0x40
+        MOV     SP, R0
+        SUB     R0, R0, #0x00000000
+
+        ;
+        MSR     CPSR_c, #0x12:OR:0x80:OR:0x40
+        MOV     SP, R0
+        SUB     R0, R0, #0x00000040
+
+        ;
+        MSR     CPSR_c, #0x13:OR:0x80:OR:0x40
+        MOV     SP, R0
+        SUB     R0, R0, #0x00000040
+
+        ;
+        MSR     CPSR_c, #0x10
+        MOV     SP, R0
+
+        ;
+        LDR     R0, =__mbed_init_realmonitor
+        MOV     LR, PC       
+        BX      R0           
+        
+        ;
+        LDR     R0, =Reset_Handler
+        BX      R0
+
+        
+        END
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/uARM/vector_table.s b/libraries/mbed/vendor/NXP/cmsis/LPC2368/uARM/vector_table.s
new file mode 100644
index 0000000000..2fca324728
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/uARM/vector_table.s
@@ -0,0 +1,99 @@
+;/* mbed Microcontroller Library - InterruptIn
+; * Copyright (c) 2006-2009 ARM Limited. All rights reserved.
+; */
+ 
+#line 1 "vector_table.s"
+;
+
+
+ 
+
+#line 1 "vector_defns.h"
+
+
+
+ 
+
+
+
+ 
+
+#line 21 "vector_defns.h"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#line 47 "vector_defns.h"
+
+
+#line 58 "vector_defns.h"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#line 7 "vector_table.s"
+        
+;
+
+
+        AREA    RESET, CODE, READONLY
+        ARM
+;        ENTRY
+        PRESERVE8
+
+
+
+
+
+;        EXPORT __main
+        IMPORT __mbed_reset
+        IMPORT __mbed_undef
+        IMPORT __mbed_swi
+        IMPORT __mbed_prefetch_abort
+        IMPORT __mbed_data_abort
+        IMPORT __mbed_irq
+        IMPORT __mbed_fiq
+
+;
+
+ 
+;__main
+        LDR     PC, =__mbed_reset
+        LDR     PC, =__mbed_undef
+        LDR     PC, =__mbed_swi
+        LDR     PC, =__mbed_prefetch_abort
+        LDR     PC, =__mbed_data_abort
+        NOP     ;
+        LDR     PC, =__mbed_irq
+        LDR     PC, =__mbed_fiq
+        
+
+        END
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/vector_defns.h b/libraries/mbed/vendor/NXP/cmsis/LPC2368/vector_defns.h
new file mode 100644
index 0000000000..cb563d4e59
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/vector_defns.h
@@ -0,0 +1,75 @@
+/* mbed Microcontroller Library - Vectors 
+ * Copyright (c) 2006-2009 ARM Limited. All rights reserved. 
+ */
+
+#ifndef MBED_VECTOR_DEFNS_H
+#define MBED_VECTOR_DEFNS_H
+ 
+// Assember Macros 
+#ifdef __ARMCC_VERSION
+#define EXPORT(x) EXPORT x
+#define WEAK_EXPORT(x) EXPORT x [WEAK]
+#define IMPORT(x) IMPORT x
+#define LABEL(x) x
+#else        
+#define EXPORT(x) .global x
+#define WEAK_EXPORT(x) .weak x
+#define IMPORT(x) .global x
+#define LABEL(x) x:        
+#endif
+
+// RealMonitor
+// Requires RAM (0x40000040-0x4000011F) to be allocated by the linker
+
+// RealMonitor entry points
+#define rm_init_entry 0x7fffff91
+#define rm_undef_handler 0x7fffffa0
+#define rm_prefetchabort_handler 0x7fffffb0
+#define rm_dataabort_handler 0x7fffffc0
+#define rm_irqhandler2 0x7fffffe0
+//#define rm_RunningToStopped 0x7ffff808 // ARM - MBED64
+#define rm_RunningToStopped 0x7ffff820 // ARM - PHAT40
+
+// Unofficial RealMonitor entry points and variables
+#define RM_MSG_SWI 0x00940000 
+#define StateP 0x40000040 
+
+// VIC register addresses
+#define VIC_Base 0xfffff000
+#define VICAddress_Offset 0xf00
+#define VICVectAddr2_Offset 0x108
+#define VICVectAddr3_Offset 0x10c
+#define VICIntEnClr_Offset 0x014
+#define VICIntEnClr    (*(volatile unsigned long *)(VIC_Base + 0x014))
+#define VICVectAddr2   (*(volatile unsigned long *)(VIC_Base + 0x108))
+#define VICVectAddr3   (*(volatile unsigned long *)(VIC_Base + 0x10C))
+
+// ARM Mode bits and Interrupt flags in PSRs
+#define Mode_USR 0x10
+#define Mode_FIQ 0x11
+#define Mode_IRQ 0x12
+#define Mode_SVC 0x13
+#define Mode_ABT 0x17
+#define Mode_UND 0x1B
+#define Mode_SYS 0x1F
+#define I_Bit 0x80    // when I bit is set, IRQ is disabled
+#define F_Bit 0x40    // when F bit is set, FIQ is disabled
+
+// MCU RAM
+#define LPC2368_RAM_ADDRESS 0x40000000	// RAM Base
+#define LPC2368_RAM_SIZE 0x8000		// 32KB 
+
+// ISR Stack Allocation
+#define UND_stack_size  0x00000040
+#define SVC_stack_size  0x00000040
+#define ABT_stack_size  0x00000040
+#define FIQ_stack_size  0x00000000
+#define IRQ_stack_size  0x00000040
+
+#define ISR_stack_size  (UND_stack_size + SVC_stack_size + ABT_stack_size + FIQ_stack_size + IRQ_stack_size)
+
+// Full Descending Stack, so top-most stack points to just above the top of RAM
+#define LPC2368_STACK_TOP (LPC2368_RAM_ADDRESS + LPC2368_RAM_SIZE)
+#define USR_STACK_TOP	  (LPC2368_STACK_TOP - ISR_stack_size)
+
+#endif
diff --git a/libraries/mbed/vendor/NXP/cmsis/LPC2368/vector_realmonitor.c b/libraries/mbed/vendor/NXP/cmsis/LPC2368/vector_realmonitor.c
new file mode 100644
index 0000000000..921fe43299
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/LPC2368/vector_realmonitor.c
@@ -0,0 +1,22 @@
+/* mbed Microcontroller Library - RealMonitor
+ * Copyright (c) 2006-2009 ARM Limited. All rights reserved. 
+ */
+#include "vector_defns.h"
+
+extern void __mbed_dcc_irq(void);
+
+/* Function: __mbed_init_realmonitor
+ * Setup the RealMonitor DCC Interrupt Handlers
+ */
+void __mbed_init_realmonitor(void) __attribute__((weak));
+void __mbed_init_realmonitor() {
+    // Disable all interrupts
+    VICIntEnClr = 0xffffffff;
+  
+    // Set DCC interrupt vector addresses
+    VICVectAddr2 = (unsigned)&__mbed_dcc_irq;
+    VICVectAddr3 = (unsigned)&__mbed_dcc_irq;  
+
+    // Initialise RealMonitor
+    ((void (*)(void))rm_init_entry)();
+}
diff --git a/libraries/mbed/vendor/NXP/cmsis/options.json b/libraries/mbed/vendor/NXP/cmsis/options.json
new file mode 100644
index 0000000000..d2e310b4cd
--- /dev/null
+++ b/libraries/mbed/vendor/NXP/cmsis/options.json
@@ -0,0 +1,28 @@
+{
+    "ARM": {
+        "remove_options": ["--gnu"]
+    },
+    "uARM" : {
+        "remove_options": ["--gnu"]
+    },
+    "objects": [
+        "core_arm7.o",
+        "core_cm3.o",
+        "core_cm0.o",
+        
+        "system_LPC23xx.o",
+        "system_LPC11Uxx.o",
+        "system_LPC17xx.o",
+        
+        "startup_LPC11xx.o",
+        "startup_LPC17xx.o",
+        
+        "vector_functions.o",
+        "vector_realmonitor.o",
+        
+        "cmsis_nvic.o",
+        "vector_table.o",
+        
+        "sys.o"
+    ]
+}
\ No newline at end of file
diff --git a/libraries/net/EthernetInterface/EthernetInterface.cpp b/libraries/net/EthernetInterface/EthernetInterface.cpp
new file mode 100644
index 0000000000..83a780a77e
--- /dev/null
+++ b/libraries/net/EthernetInterface/EthernetInterface.cpp
@@ -0,0 +1,125 @@
+/* EthernetInterface.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "EthernetInterface.h"
+
+#include "lwip/inet.h"
+#include "lwip/netif.h"
+#include "netif/etharp.h"
+#include "lwip/dhcp.h"
+#include "arch/lpc17_emac.h"
+#include "lpc_phy.h"
+#include "lwip/tcpip.h"
+
+#include "mbed.h"
+
+/* TCP/IP and Network Interface Initialisation */
+static struct netif lpcNetif;
+
+static char ip_addr[16] = "\0";
+static bool use_dhcp = false;
+
+static Semaphore tcpip_inited(0);
+static Semaphore netif_linked(0);
+static Semaphore netif_up(0);
+
+static void tcpip_init_done(void *arg) {
+    tcpip_inited.release();
+}
+
+static void netif_link_callback(struct netif *netif) {
+    if (netif_is_link_up(netif)) {
+        netif_linked.release();
+    }
+}
+
+static void netif_status_callback(struct netif *netif) {
+    if (netif_is_up(netif)) {
+        strcpy(ip_addr, inet_ntoa(netif->ip_addr));
+        netif_up.release();
+    }
+}
+
+static void init_netif(ip_addr_t *ipaddr, ip_addr_t *netmask, ip_addr_t *gw) {
+    tcpip_init(tcpip_init_done, NULL);
+    tcpip_inited.wait();
+    
+    memset((void*) &lpcNetif, 0, sizeof(lpcNetif));
+    netif_add(&lpcNetif, ipaddr, netmask, gw, NULL, lpc_enetif_init, tcpip_input);
+    netif_set_default(&lpcNetif);
+    
+    netif_set_link_callback  (&lpcNetif, netif_link_callback);
+    netif_set_status_callback(&lpcNetif, netif_status_callback);
+}
+
+int EthernetInterface::init() {
+    use_dhcp = true;
+    init_netif(NULL, NULL, NULL);
+    return 0;
+}
+
+int EthernetInterface::init(const char* ip, const char* mask, const char* gateway) {
+    use_dhcp = false;
+    strcpy(ip_addr, ip);
+    
+    ip_addr_t ip_n, mask_n, gateway_n;
+    inet_aton(ip, &ip_n);
+    inet_aton(mask, &mask_n);
+    inet_aton(gateway, &gateway_n);
+    init_netif(&ip_n, &mask_n, &gateway_n);
+    
+    return 0;
+}
+
+int EthernetInterface::connect(unsigned int timeout_ms) {
+    NVIC_SetPriority(ENET_IRQn, ((0x01 << 3) | 0x01));
+    NVIC_EnableIRQ(ENET_IRQn);
+    
+    int inited;
+    if (use_dhcp) {
+        dhcp_start(&lpcNetif);
+        
+        // Wait for an IP
+        // -1: error, 0: timeout
+        inited = netif_up.wait(timeout_ms);
+    } else {
+        netif_set_up(&lpcNetif);
+        
+        // Wait for the link up
+        inited = netif_linked.wait(timeout_ms);
+    }
+    
+    return (inited > 0) ? (0) : (-1);
+}
+
+int EthernetInterface::disconnect() {
+    if (use_dhcp) {
+        dhcp_release(&lpcNetif);
+        dhcp_stop(&lpcNetif);
+    } else {
+        netif_set_down(&lpcNetif);
+    }
+    
+    NVIC_DisableIRQ(ENET_IRQn);
+    
+    return 0;
+}
+
+char* EthernetInterface::getIPAddress() {
+    return ip_addr;
+}
diff --git a/libraries/net/EthernetInterface/EthernetInterface.h b/libraries/net/EthernetInterface/EthernetInterface.h
new file mode 100644
index 0000000000..05c6a97b33
--- /dev/null
+++ b/libraries/net/EthernetInterface/EthernetInterface.h
@@ -0,0 +1,72 @@
+/* EthernetInterface.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+ 
+#ifndef ETHERNETINTERFACE_H_
+#define ETHERNETINTERFACE_H_
+
+#if !defined(TARGET_LPC1768)
+#error The Ethernet Interface library is supported only on the mbed NXP LPC1768
+#endif
+
+#include "rtos.h"
+#include "lwip/netif.h"
+
+ /** Interface using Ethernet to connect to an IP-based network
+ *
+ */
+class EthernetInterface {
+public:
+  /** Initialize the interface with DHCP.
+  * Initialize the interface and configure it to use DHCP (no connection at this point).
+  * \return 0 on success, a negative number on failure
+  */
+  static int init(); //With DHCP
+
+  /** Initialize the interface with a static IP address.
+  * Initialize the interface and configure it with the following static configuration (no connection at this point).
+  * \param ip the IP address to use
+  * \param mask the IP address mask
+  * \param gateway the gateway to use
+  * \return 0 on success, a negative number on failure
+  */
+  static int init(const char* ip, const char* mask, const char* gateway);
+
+  /** Connect
+  * Bring the interface up, start DHCP if needed.
+  * \param   timeout_ms  timeout in ms (default: (10)s).
+  * \return 0 on success, a negative number on failure
+  */
+  static int connect(unsigned int timeout_ms=10000);
+  
+  /** Disconnect
+  * Bring the interface down
+  * \return 0 on success, a negative number on failure
+  */
+  static int disconnect();
+  
+  static char* getIPAddress();
+};
+
+#include "TCPSocketConnection.h"
+#include "TCPSocketServer.h"
+
+#include "Endpoint.h"
+#include "UDPSocket.h"
+
+#endif /* ETHERNETINTERFACE_H_ */
diff --git a/libraries/net/EthernetInterface/lwip-eth/arch/lpc17_emac.c b/libraries/net/EthernetInterface/lwip-eth/arch/lpc17_emac.c
new file mode 100644
index 0000000000..264571dd87
--- /dev/null
+++ b/libraries/net/EthernetInterface/lwip-eth/arch/lpc17_emac.c
@@ -0,0 +1,1043 @@
+/**********************************************************************
+* $Id$		lpc17_emac.c			2011-11-20
+*//**
+* @file		lpc17_emac.c
+* @brief	LPC17 ethernet driver for LWIP
+* @version	1.0
+* @date		20. Nov. 2011
+* @author	NXP MCU SW Application Team
+* 
+* Copyright(C) 2011, NXP Semiconductor
+* All rights reserved.
+*
+***********************************************************************
+* Software that is described herein is for illustrative purposes only
+* which provides customers with programming information regarding the
+* products. This software is supplied "AS IS" without any warranties.
+* NXP Semiconductors assumes no responsibility or liability for the
+* use of the software, conveys no license or title under any patent,
+* copyright, or mask work right to the product. NXP Semiconductors
+* reserves the right to make changes in the software without
+* notification. NXP Semiconductors also make no representation or
+* warranty that such application will be suitable for the specified
+* use without further testing or modification.
+**********************************************************************/
+
+#include "lwip/opt.h"
+#include "lwip/sys.h"
+#include "lwip/def.h"
+#include "lwip/mem.h"
+#include "lwip/pbuf.h"
+#include "lwip/stats.h"
+#include "lwip/snmp.h"
+#include "netif/etharp.h"
+#include "netif/ppp_oe.h"
+
+#include "lpc17xx_emac.h"
+#include "lpc17_emac.h"
+#include "lpc_emac_config.h"
+#include "lpc_phy.h"
+#include "sys_arch.h"
+
+#include "mbed_interface.h"
+#include 
+
+#ifndef LPC_EMAC_RMII
+#error LPC_EMAC_RMII is not defined!
+#endif
+
+#if LPC_NUM_BUFF_TXDESCS < 2
+#error LPC_NUM_BUFF_TXDESCS must be at least 2
+#endif
+
+#if LPC_NUM_BUFF_RXDESCS < 3
+#error LPC_NUM_BUFF_RXDESCS must be at least 3
+#endif
+
+/** @defgroup lwip17xx_emac_DRIVER	lpc17 EMAC driver for LWIP
+ * @ingroup lwip_emac
+ *
+ * @{
+ */
+
+#if NO_SYS == 0
+/** \brief  Driver transmit and receive thread priorities
+ * 
+ * Thread priorities for receive thread and TX cleanup thread. Alter
+ * to prioritize receive or transmit bandwidth. In a heavily loaded
+ * system or with LEIP_DEBUG enabled, the priorities might be better
+ * the same. */
+#define RX_PRIORITY   (osPriorityNormal)
+#define TX_PRIORITY   (osPriorityNormal)
+
+/** \brief  Debug output formatter lock define
+ * 
+ * When using FreeRTOS and with LWIP_DEBUG enabled, enabling this
+ * define will allow RX debug messages to not interleave with the
+ * TX messages (so they are actually readable). Not enabling this
+ * define when the system is under load will cause the output to
+ * be unreadable. There is a small tradeoff in performance for this
+ * so use it only for debug. */
+//#define LOCK_RX_THREAD
+
+/** \brief  Receive group interrupts
+ */
+#define RXINTGROUP (EMAC_INT_RX_OVERRUN | EMAC_INT_RX_ERR | EMAC_INT_RX_DONE)
+
+/** \brief  Transmit group interrupts
+ */
+#define TXINTGROUP (EMAC_INT_TX_UNDERRUN | EMAC_INT_TX_ERR | EMAC_INT_TX_DONE)
+
+#else
+#define RXINTGROUP 0
+#define TXINTGROUP 0
+#endif
+
+ /** \brief  Structure of a TX/RX descriptor
+ */
+typedef struct
+{
+	volatile u32_t packet;        /**< Pointer to buffer */
+	volatile u32_t control;       /**< Control word */
+} LPC_TXRX_DESC_T;
+
+/** \brief  Structure of a RX status entry
+ */
+typedef struct
+{
+	volatile u32_t statusinfo;   /**< RX status word */
+	volatile u32_t statushashcrc; /**< RX hash CRC */
+} LPC_TXRX_STATUS_T;
+
+/* LPC EMAC driver data structure */
+struct lpc_enetdata {
+    /* prxs must be 8 byte aligned! */
+	LPC_TXRX_STATUS_T prxs[LPC_NUM_BUFF_RXDESCS]; /**< Pointer to RX statuses */
+	struct netif *netif;        /**< Reference back to LWIP parent netif */
+	LPC_TXRX_DESC_T ptxd[LPC_NUM_BUFF_TXDESCS];   /**< Pointer to TX descriptor list */
+	LPC_TXRX_STATUS_T ptxs[LPC_NUM_BUFF_TXDESCS]; /**< Pointer to TX statuses */
+	LPC_TXRX_DESC_T prxd[LPC_NUM_BUFF_RXDESCS];   /**< Pointer to RX descriptor list */
+	struct pbuf *rxb[LPC_NUM_BUFF_RXDESCS]; /**< RX pbuf pointer list, zero-copy mode */
+	u32_t rx_fill_desc_index; /**< RX descriptor next available index */
+	volatile u32_t rx_free_descs; /**< Count of free RX descriptors */
+	struct pbuf *txb[LPC_NUM_BUFF_TXDESCS]; /**< TX pbuf pointer list, zero-copy mode */
+	u32_t lpc_last_tx_idx; /**< TX last descriptor index, zero-copy mode */
+#if NO_SYS == 0
+	sys_sem_t RxSem; /**< RX receive thread wakeup semaphore */
+	sys_sem_t TxCleanSem; /**< TX cleanup thread wakeup semaphore */
+	sys_mutex_t TXLockMutex; /**< TX critical section mutex */
+	sys_sem_t xTXDCountSem; /**< TX free buffer counting semaphore */
+#endif
+};
+
+/** \brief  LPC EMAC driver work data
+ */
+ALIGNED(8) struct lpc_enetdata lpc_enetdata;
+
+/* Write a value via the MII link (non-blocking) */
+void lpc_mii_write_noblock(u32_t PhyReg, u32_t Value)
+{
+	/* Write value at PHY address and register */
+	LPC_EMAC->MADR = (LPC_PHYDEF_PHYADDR << 8) | PhyReg;
+	LPC_EMAC->MWTD = Value;
+}
+
+/* Write a value via the MII link (blocking) */
+err_t lpc_mii_write(u32_t PhyReg, u32_t Value)
+{
+	u32_t mst = 250;
+	err_t sts = ERR_OK;
+
+	/* Write value at PHY address and register */
+	lpc_mii_write_noblock(PhyReg, Value);
+
+	/* Wait for unbusy status */
+	while (mst > 0) {
+		sts = LPC_EMAC->MIND;
+		if ((sts & EMAC_MIND_BUSY) == 0)
+			mst = 0;
+		else {
+			mst--;
+			osDelay(1);
+		}
+	}
+
+	if (sts != 0)
+		sts = ERR_TIMEOUT;
+
+	return sts;
+}
+
+/* Reads current MII link busy status */
+u32_t lpc_mii_is_busy(void)
+{
+	return (u32_t) (LPC_EMAC->MIND & EMAC_MIND_BUSY);
+}
+
+/* Starts a read operation via the MII link (non-blocking) */
+u32_t lpc_mii_read_data(void)
+{
+	u32_t data = LPC_EMAC->MRDD;
+	LPC_EMAC->MCMD = 0;
+
+	return data;
+}
+
+/* Starts a read operation via the MII link (non-blocking) */
+void lpc_mii_read_noblock(u32_t PhyReg) 
+{
+	/* Read value at PHY address and register */
+	LPC_EMAC->MADR = (LPC_PHYDEF_PHYADDR << 8) | PhyReg;
+	LPC_EMAC->MCMD = EMAC_MCMD_READ;
+}
+
+/* Read a value via the MII link (blocking) */
+err_t lpc_mii_read(u32_t PhyReg, u32_t *data) 
+{
+	u32_t mst = 250;
+	err_t sts = ERR_OK;
+
+	/* Read value at PHY address and register */
+	lpc_mii_read_noblock(PhyReg);
+
+	/* Wait for unbusy status */
+	while (mst > 0) {
+		sts = LPC_EMAC->MIND & ~EMAC_MIND_MII_LINK_FAIL;
+		if ((sts & EMAC_MIND_BUSY) == 0) {
+			mst = 0;
+			*data = LPC_EMAC->MRDD;
+		} else {
+			mst--;
+			osDelay(1);
+		}
+	}
+
+	LPC_EMAC->MCMD = 0;
+
+	if (sts != 0)
+		sts = ERR_TIMEOUT;
+
+	return sts;
+}
+
+/** \brief  Queues a pbuf into the RX descriptor list
+ *
+ *  \param[in] lpc_enetif Pointer to the drvier data structure
+ *  \param[in] p            Pointer to pbuf to queue
+ */
+static void lpc_rxqueue_pbuf(struct lpc_enetdata *lpc_enetif, struct pbuf *p)
+{
+	u32_t idx;
+
+	/* Get next free descriptor index */
+	idx = lpc_enetif->rx_fill_desc_index;
+
+	/* Setup descriptor and clear statuses */
+	lpc_enetif->prxd[idx].control = EMAC_RCTRL_INT | ((u32_t) (p->len - 1));
+	lpc_enetif->prxd[idx].packet = (u32_t) p->payload;
+	lpc_enetif->prxs[idx].statusinfo = 0xFFFFFFFF;
+	lpc_enetif->prxs[idx].statushashcrc = 0xFFFFFFFF;
+
+	/* Save pbuf pointer for push to network layer later */
+	lpc_enetif->rxb[idx] = p;
+
+	/* Wrap at end of descriptor list */
+	idx++;
+	if (idx >= LPC_NUM_BUFF_RXDESCS)
+		idx = 0;
+
+	/* Queue descriptor(s) */
+	lpc_enetif->rx_free_descs -= 1;
+	lpc_enetif->rx_fill_desc_index = idx;
+	LPC_EMAC->RxConsumeIndex = idx;
+
+	LWIP_DEBUGF(UDP_LPC_EMAC | LWIP_DBG_TRACE,
+		("lpc_rxqueue_pbuf: pbuf packet queued: %p (free desc=%d)\n", p,
+			lpc_enetif->rx_free_descs));
+}
+
+/** \brief  Attempt to allocate and requeue a new pbuf for RX
+ *
+ *  \param[in]     netif Pointer to the netif structure
+ *  \returns         1 if a packet was allocated and requeued, otherwise 0
+ */
+s32_t lpc_rx_queue(struct netif *netif)
+{
+	struct lpc_enetdata *lpc_enetif = netif->state;
+	struct pbuf *p;
+	s32_t queued = 0;
+
+	/* Attempt to requeue as many packets as possible */
+	while (lpc_enetif->rx_free_descs > 0) {
+		/* Allocate a pbuf from the pool. We need to allocate at the
+		   maximum size as we don't know the size of the yet to be
+		   received packet. */
+		p = pbuf_alloc(PBUF_RAW, (u16_t) EMAC_ETH_MAX_FLEN, PBUF_RAM);
+		if (p == NULL) {
+			LWIP_DEBUGF(UDP_LPC_EMAC | LWIP_DBG_TRACE,
+				("lpc_rx_queue: could not allocate RX pbuf (free desc=%d)\n",
+				lpc_enetif->rx_free_descs));
+			return queued;
+		}
+
+		/* pbufs allocated from the RAM pool should be non-chained. */
+		LWIP_ASSERT("lpc_rx_queue: pbuf is not contiguous (chained)",
+			pbuf_clen(p) <= 1);
+
+		/* Queue packet */
+		lpc_rxqueue_pbuf(lpc_enetif, p);
+
+		/* Update queued count */
+		queued++;
+	}
+
+	return queued;
+}
+
+/** \brief  Sets up the RX descriptor ring buffers.
+ * 
+ *  This function sets up the descriptor list used for receive packets.
+ *
+ *  \param[in]  lpc_enetif  Pointer to driver data structure
+ *  \returns                   Always returns ERR_OK
+ */
+static err_t lpc_rx_setup(struct lpc_enetdata *lpc_enetif)
+{
+	/* Setup pointers to RX structures */
+	LPC_EMAC->RxDescriptor = (u32_t) &lpc_enetif->prxd[0];
+	LPC_EMAC->RxStatus = (u32_t) &lpc_enetif->prxs[0];
+	LPC_EMAC->RxDescriptorNumber = LPC_NUM_BUFF_RXDESCS - 1;
+
+	lpc_enetif->rx_free_descs = LPC_NUM_BUFF_RXDESCS;
+	lpc_enetif->rx_fill_desc_index = 0;
+
+	/* Build RX buffer and descriptors */
+	lpc_rx_queue(lpc_enetif->netif);
+
+	return ERR_OK;
+}
+
+/** \brief  Allocates a pbuf and returns the data from the incoming packet.
+ *
+ *  \param[in] netif the lwip network interface structure for this lpc_enetif
+ *  \return a pbuf filled with the received packet (including MAC header)
+ *         NULL on memory error
+ */
+static struct pbuf *lpc_low_level_input(struct netif *netif)
+{
+	struct lpc_enetdata *lpc_enetif = netif->state;
+	struct pbuf *p = NULL;
+	u32_t idx, length;
+
+#ifdef LOCK_RX_THREAD
+#if NO_SYS == 0
+	/* Get exclusive access */
+	sys_mutex_lock(&lpc_enetif->TXLockMutex);
+#endif
+#endif
+
+	/* Monitor RX overrun status. This should never happen unless
+	   (possibly) the internal bus is behing held up by something.
+	   Unless your system is running at a very low clock speed or
+	   there are possibilities that the internal buses may be held
+	   up for a long time, this can probably safely be removed. */
+	if (LPC_EMAC->IntStatus & EMAC_INT_RX_OVERRUN) {
+		LINK_STATS_INC(link.err);
+		LINK_STATS_INC(link.drop);
+
+		/* Temporarily disable RX */
+		LPC_EMAC->MAC1 &= ~EMAC_MAC1_REC_EN;
+
+		/* Reset the RX side */
+		LPC_EMAC->MAC1 |= EMAC_MAC1_RES_RX;
+		LPC_EMAC->IntClear = EMAC_INT_RX_OVERRUN;
+
+		/* De-allocate all queued RX pbufs */
+		for (idx = 0; idx < LPC_NUM_BUFF_RXDESCS; idx++) {
+			if (lpc_enetif->rxb[idx] != NULL) {
+				pbuf_free(lpc_enetif->rxb[idx]);
+				lpc_enetif->rxb[idx] = NULL;
+			}
+		}
+
+		/* Start RX side again */
+		lpc_rx_setup(lpc_enetif);
+
+		/* Re-enable RX */
+		LPC_EMAC->MAC1 |= EMAC_MAC1_REC_EN;
+
+#ifdef LOCK_RX_THREAD
+#if NO_SYS == 0
+		sys_mutex_unlock(&lpc_enetif->TXLockMutex);
+#endif
+#endif
+
+		return NULL;
+	}
+
+	/* Determine if a frame has been received */
+	length = 0;
+	idx = LPC_EMAC->RxConsumeIndex;
+	if (LPC_EMAC->RxProduceIndex != idx) {
+		/* Handle errors */
+		if (lpc_enetif->prxs[idx].statusinfo & (EMAC_RINFO_CRC_ERR |
+			EMAC_RINFO_SYM_ERR | EMAC_RINFO_ALIGN_ERR | EMAC_RINFO_LEN_ERR)) {
+#if LINK_STATS
+			if (lpc_enetif->prxs[idx].statusinfo & (EMAC_RINFO_CRC_ERR |
+				EMAC_RINFO_SYM_ERR | EMAC_RINFO_ALIGN_ERR))
+				LINK_STATS_INC(link.chkerr);
+			if (lpc_enetif->prxs[idx].statusinfo & EMAC_RINFO_LEN_ERR)
+				LINK_STATS_INC(link.lenerr);
+#endif
+
+			/* Drop the frame */
+			LINK_STATS_INC(link.drop);
+
+			/* Re-queue the pbuf for receive */
+			lpc_enetif->rx_free_descs++;
+			p = lpc_enetif->rxb[idx];
+			lpc_enetif->rxb[idx] = NULL;
+			lpc_rxqueue_pbuf(lpc_enetif, p);
+
+			LWIP_DEBUGF(UDP_LPC_EMAC | LWIP_DBG_TRACE,
+				("lpc_low_level_input: Packet dropped with errors (0x%x)\n",
+				lpc_enetif->prxs[idx].statusinfo));
+		} else {
+			/* A packet is waiting, get length */
+			length = (lpc_enetif->prxs[idx].statusinfo & 0x7FF) + 1;
+
+			/* Zero-copy */
+			p = lpc_enetif->rxb[idx];
+			p->len = (u16_t) length;
+
+			/* Free pbuf from desriptor */
+			lpc_enetif->rxb[idx] = NULL;
+			lpc_enetif->rx_free_descs++;
+
+			LWIP_DEBUGF(UDP_LPC_EMAC | LWIP_DBG_TRACE,
+				("lpc_low_level_input: Packet received: %p, size %d (index=%d)\n",
+				p, length, idx));
+
+			/* Save size */
+			p->tot_len = (u16_t) length;
+			LINK_STATS_INC(link.recv);
+
+			/* Queue new buffer(s) */
+			lpc_rx_queue(lpc_enetif->netif);
+		}
+	}
+
+#ifdef LOCK_RX_THREAD
+#if NO_SYS == 0
+	sys_mutex_unlock(&lpc_enetif->TXLockMutex);
+#endif
+#endif
+
+	return p;  
+}
+
+/** \brief  Attempt to read a packet from the EMAC interface.
+ *
+ *  \param[in] netif the lwip network interface structure for this lpc_enetif
+ */
+void lpc_enetif_input(struct netif *netif)
+{
+	struct eth_hdr *ethhdr;
+	struct pbuf *p;
+
+	/* move received packet into a new pbuf */
+	p = lpc_low_level_input(netif);
+	if (p == NULL)
+		return;
+
+	/* points to packet payload, which starts with an Ethernet header */
+	ethhdr = p->payload;
+
+	switch (htons(ethhdr->type)) {
+		case ETHTYPE_IP:
+		case ETHTYPE_ARP:
+#if PPPOE_SUPPORT
+		case ETHTYPE_PPPOEDISC:
+		case ETHTYPE_PPPOE:
+#endif /* PPPOE_SUPPORT */
+			/* full packet send to tcpip_thread to process */
+			if (netif->input(p, netif) != ERR_OK) {
+				LWIP_DEBUGF(NETIF_DEBUG, ("lpc_enetif_input: IP input error\n"));
+				/* Free buffer */
+				pbuf_free(p);
+			}
+			break;
+
+		default:
+			/* Return buffer */
+			pbuf_free(p);
+			break;
+	}
+}
+
+/** \brief  Determine if the passed address is usable for the ethernet
+ *          DMA controller.
+ *
+ *  \param[in] addr Address of packet to check for DMA safe operation
+ *  \return          1 if the packet address is not safe, otherwise 0
+ */
+static s32_t lpc_packet_addr_notsafe(void *addr) {
+	/* Check for legal address ranges */
+	if ((((u32_t) addr >= 0x2007C000) && ((u32_t) addr < 0x20083FFF))) {
+	    return 0;
+	}
+	return 1;
+}
+
+/** \brief  Sets up the TX descriptor ring buffers.
+ *
+ *  This function sets up the descriptor list used for transmit packets.
+ *
+ *  \param[in]      lpc_enetif  Pointer to driver data structure
+ */
+static err_t lpc_tx_setup(struct lpc_enetdata *lpc_enetif)
+{
+	s32_t idx;
+
+	/* Build TX descriptors for local buffers */
+	for (idx = 0; idx < LPC_NUM_BUFF_TXDESCS; idx++) {
+		lpc_enetif->ptxd[idx].control = 0;
+		lpc_enetif->ptxs[idx].statusinfo = 0xFFFFFFFF;
+	}
+
+	/* Setup pointers to TX structures */
+	LPC_EMAC->TxDescriptor = (u32_t) &lpc_enetif->ptxd[0];
+	LPC_EMAC->TxStatus = (u32_t) &lpc_enetif->ptxs[0];
+	LPC_EMAC->TxDescriptorNumber = LPC_NUM_BUFF_TXDESCS - 1;
+
+	lpc_enetif->lpc_last_tx_idx = 0;
+
+	return ERR_OK;
+}
+
+/** \brief  Free TX buffers that are complete
+ *
+ *  \param[in] lpc_enetif  Pointer to driver data structure
+ *  \param[in] cidx  EMAC current descriptor comsumer index
+ */
+static void lpc_tx_reclaim_st(struct lpc_enetdata *lpc_enetif, u32_t cidx)
+{
+#if NO_SYS == 0
+	/* Get exclusive access */
+	sys_mutex_lock(&lpc_enetif->TXLockMutex);
+#endif
+
+	while (cidx != lpc_enetif->lpc_last_tx_idx) {
+		if (lpc_enetif->txb[lpc_enetif->lpc_last_tx_idx] != NULL) {
+			LWIP_DEBUGF(UDP_LPC_EMAC | LWIP_DBG_TRACE,
+				("lpc_tx_reclaim_st: Freeing packet %p (index %d)\n",
+				lpc_enetif->txb[lpc_enetif->lpc_last_tx_idx],
+				lpc_enetif->lpc_last_tx_idx));
+			pbuf_free(lpc_enetif->txb[lpc_enetif->lpc_last_tx_idx]);
+		 	lpc_enetif->txb[lpc_enetif->lpc_last_tx_idx] = NULL;
+		}
+
+#if NO_SYS == 0
+		osSemaphoreRelease(lpc_enetif->xTXDCountSem.id);
+#endif
+		lpc_enetif->lpc_last_tx_idx++;
+		if (lpc_enetif->lpc_last_tx_idx >= LPC_NUM_BUFF_TXDESCS)
+			lpc_enetif->lpc_last_tx_idx = 0;
+	}
+
+#if NO_SYS == 0
+	/* Restore access */
+	sys_mutex_unlock(&lpc_enetif->TXLockMutex);
+#endif
+}
+
+/** \brief  User call for freeingTX buffers that are complete
+ *
+ *  \param[in] netif the lwip network interface structure for this lpc_enetif
+ */
+void lpc_tx_reclaim(struct netif *netif)
+{
+	lpc_tx_reclaim_st((struct lpc_enetdata *) netif->state,
+		LPC_EMAC->TxConsumeIndex);
+}
+
+ /** \brief  Polls if an available TX descriptor is ready. Can be used to
+ *           determine if the low level transmit function will block.
+ *
+ *  \param[in] netif the lwip network interface structure for this lpc_enetif
+ *  \return 0 if no descriptors are read, or >0
+ */
+s32_t lpc_tx_ready(struct netif *netif)
+{
+	s32_t fb;
+	u32_t idx, cidx;
+
+	cidx = LPC_EMAC->TxConsumeIndex;
+	idx = LPC_EMAC->TxProduceIndex;
+
+	/* Determine number of free buffers */
+	if (idx == cidx)
+		fb = LPC_NUM_BUFF_TXDESCS;
+	else if (cidx > idx)
+		fb = (LPC_NUM_BUFF_TXDESCS - 1) -
+			((idx + LPC_NUM_BUFF_TXDESCS) - cidx);
+	else
+		fb = (LPC_NUM_BUFF_TXDESCS - 1) - (cidx - idx);
+
+	return fb;
+}
+
+/** \brief  Low level output of a packet. Never call this from an
+ *          interrupt context, as it may block until TX descriptors
+ *          become available.
+ *
+ *  \param[in] netif the lwip network interface structure for this lpc_enetif
+ *  \param[in] p the MAC packet to send (e.g. IP packet including MAC addresses and type)
+ *  \return ERR_OK if the packet could be sent or an err_t value if the packet couldn't be sent
+ */
+static err_t lpc_low_level_output(struct netif *netif, struct pbuf *p)
+{
+	struct lpc_enetdata *lpc_enetif = netif->state;
+	struct pbuf *q;
+	u8_t *dst;
+    u32_t idx;
+	struct pbuf *np;
+	u32_t dn, notdmasafe = 0;
+
+	/* Zero-copy TX buffers may be fragmented across mutliple payload
+	   chains. Determine the number of descriptors needed for the
+	   transfer. The pbuf chaining can be a mess! */
+	dn = (u32_t) pbuf_clen(p);
+
+	/* Test to make sure packet addresses are DMA safe. A DMA safe
+	   address is once that uses external memory or periphheral RAM.
+	   IRAM and FLASH are not safe! */
+	for (q = p; q != NULL; q = q->next)
+		notdmasafe += lpc_packet_addr_notsafe(q->payload);
+
+#if LPC_TX_PBUF_BOUNCE_EN==1
+	/* If the pbuf is not DMA safe, a new bounce buffer (pbuf) will be
+	   created that will be used instead. This requires an copy from the
+	   non-safe DMA region to the new pbuf */
+	if (notdmasafe) {
+		/* Allocate a pbuf in DMA memory */
+		np = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM);
+		if (np == NULL)
+			return ERR_MEM;	
+
+		/* This buffer better be contiguous! */
+		LWIP_ASSERT("lpc_low_level_output: New transmit pbuf is chained",
+			(pbuf_clen(np) == 1));
+
+		/* Copy to DMA safe pbuf */
+		dst = (u8_t *) np->payload;
+	 	for(q = p; q != NULL; q = q->next) {
+			/* Copy the buffer to the descriptor's buffer */
+	  		MEMCPY(dst, (u8_t *) q->payload, q->len);
+		  dst += q->len;
+		}
+		np->len = p->tot_len; 
+
+		LWIP_DEBUGF(UDP_LPC_EMAC | LWIP_DBG_TRACE,
+			("lpc_low_level_output: Switched to DMA safe buffer, old=%p, new=%p\n",
+			q, np));
+
+		/* use the new buffer for descrptor queueing. The original pbuf will
+		   be de-allocated outsuide this driver. */
+		p = np;
+		dn = 1;
+	}
+#else
+	if (notdmasafe)
+		LWIP_ASSERT("lpc_low_level_output: Not a DMA safe pbuf",
+			(notdmasafe == 0));
+#endif
+
+	/* Wait until enough descriptors are available for the transfer. */
+	/* THIS WILL BLOCK UNTIL THERE ARE ENOUGH DESCRIPTORS AVAILABLE */
+	while (dn > lpc_tx_ready(netif))
+#if NO_SYS == 0
+	    osSemaphoreWait(lpc_enetif->xTXDCountSem.id, osWaitForever);
+#else
+		osDelay(1);
+#endif
+
+	/* Get free TX buffer index */
+	idx = LPC_EMAC->TxProduceIndex;
+
+#if NO_SYS == 0
+	/* Get exclusive access */
+	sys_mutex_lock(&lpc_enetif->TXLockMutex);
+#endif
+
+	/* Prevent LWIP from de-allocating this pbuf. The driver will
+	   free it once it's been transmitted. */
+	if (!notdmasafe)
+		pbuf_ref(p);
+
+	/* Setup transfers */
+	q = p;
+	while (dn > 0) {
+		dn--;
+
+		/* Only save pointer to free on last descriptor */
+		if (dn == 0) {
+			/* Save size of packet and signal it's ready */
+			lpc_enetif->ptxd[idx].control = (q->len - 1) | EMAC_TCTRL_INT |
+				EMAC_TCTRL_LAST;
+            lpc_enetif->txb[idx] = p;
+		}
+		else {
+			/* Save size of packet, descriptor is not last */
+			lpc_enetif->ptxd[idx].control = (q->len - 1) | EMAC_TCTRL_INT;
+			lpc_enetif->txb[idx] = NULL;
+		}
+
+		LWIP_DEBUGF(UDP_LPC_EMAC | LWIP_DBG_TRACE,
+			("lpc_low_level_output: pbuf packet(%p) sent, chain#=%d,"
+			" size = %d (index=%d)\n", q->payload, dn, q->len, idx));
+
+		lpc_enetif->ptxd[idx].packet = (u32_t) q->payload;
+
+		q = q->next;
+
+		idx++;
+		if (idx >= LPC_NUM_BUFF_TXDESCS)
+			idx = 0;
+	}
+
+	LPC_EMAC->TxProduceIndex = idx;
+
+	LINK_STATS_INC(link.xmit);
+
+#if NO_SYS == 0
+	/* Restore access */
+	sys_mutex_unlock(&lpc_enetif->TXLockMutex);
+#endif
+
+	return ERR_OK;
+}
+
+/** \brief  LPC EMAC interrupt handler.
+ *
+ *  This function handles the transmit, receive, and error interrupt of
+ *  the LPC177x_8x. This is meant to be used when NO_SYS=0.
+ */
+void ENET_IRQHandler(void)
+{
+#if NO_SYS == 1
+	/* Interrupts are not used without an RTOS */
+    NVIC_DisableIRQ(ENET_IRQn);
+#else
+	uint32_t ints;
+
+	/* Interrupts are of 2 groups - transmit or receive. Based on the
+	   interrupt, kick off the receive or transmit (cleanup) task */
+
+	/* Get pending interrupts */
+	ints = LPC_EMAC->IntStatus;
+
+	if (ints & RXINTGROUP) {
+        /* RX group interrupt(s): Give semaphore to wakeup RX receive task.*/
+        sys_sem_signal(&lpc_enetdata.RxSem);
+    }
+    
+    if (ints & TXINTGROUP) {
+        /* TX group interrupt(s): Give semaphore to wakeup TX cleanup task. */
+        sys_sem_signal(&lpc_enetdata.TxCleanSem);
+    }
+    
+	/* Clear pending interrupts */
+	LPC_EMAC->IntClear = ints;
+#endif
+}
+
+#if NO_SYS == 0
+/** \brief  Packet reception task
+ *
+ * This task is called when a packet is received. It will
+ * pass the packet to the LWIP core.
+ *
+ *  \param[in] pvParameters Not used yet
+ */
+static void packet_rx(void* pvParameters) {
+    struct lpc_enetdata *lpc_enetif = pvParameters;
+    
+    while (1) {
+        /* Wait for receive task to wakeup */
+        sys_arch_sem_wait(&lpc_enetif->RxSem, 0);
+        
+        /* Process packets until all empty */
+        while (LPC_EMAC->RxConsumeIndex != LPC_EMAC->RxProduceIndex)
+            lpc_enetif_input(lpc_enetif->netif);
+    }
+}
+
+/** \brief  Transmit cleanup task
+ *
+ * This task is called when a transmit interrupt occurs and
+ * reclaims the pbuf and descriptor used for the packet once
+ * the packet has been transferred.
+ *
+ *  \param[in] pvParameters Not used yet
+ */
+static void packet_tx(void* pvParameters) {
+    struct lpc_enetdata *lpc_enetif = pvParameters;
+    s32_t idx;
+    
+    while (1) {
+        /* Wait for transmit cleanup task to wakeup */
+        sys_arch_sem_wait(&lpc_enetif->TxCleanSem, 0);
+        
+        /* Error handling for TX underruns. This should never happen unless
+           something is holding the bus or the clocks are going too slow. It
+            can probably be safely removed. */
+        if (LPC_EMAC->IntStatus & EMAC_INT_TX_UNDERRUN) {
+            LINK_STATS_INC(link.err);
+            LINK_STATS_INC(link.drop);
+            
+#if NO_SYS == 0
+            /* Get exclusive access */
+            sys_mutex_lock(&lpc_enetif->TXLockMutex);
+#endif
+            /* Reset the TX side */
+            LPC_EMAC->MAC1 |= EMAC_MAC1_RES_TX;
+            LPC_EMAC->IntClear = EMAC_INT_TX_UNDERRUN;
+            
+            /* De-allocate all queued TX pbufs */
+            for (idx = 0; idx < LPC_NUM_BUFF_RXDESCS; idx++) {
+                if (lpc_enetif->txb[idx] != NULL) {
+                    pbuf_free(lpc_enetif->txb[idx]);
+                    lpc_enetif->txb[idx] = NULL;
+                }
+            }
+            
+#if NO_SYS == 0
+            /* Restore access */
+            sys_mutex_unlock(&lpc_enetif->TXLockMutex);
+#endif
+            /* Start TX side again */
+            lpc_tx_setup(lpc_enetif);
+        } else {
+            /* Free TX buffers that are done sending */
+            lpc_tx_reclaim(lpc_enetdata.netif);
+        }
+    }
+}
+#endif
+
+/** \brief  Low level init of the MAC and PHY.
+ *
+ *  \param[in]      netif  Pointer to LWIP netif structure
+ */
+static err_t low_level_init(struct netif *netif)
+{
+	struct lpc_enetdata *lpc_enetif = netif->state;
+	err_t err = ERR_OK;
+
+	/* Enable MII clocking */
+	LPC_SC->PCONP |= CLKPWR_PCONP_PCENET;
+	
+	LPC_PINCON->PINSEL2 = 0x50150105;                  /* Enable P1 Ethernet Pins. */
+	LPC_PINCON->PINSEL3 = (LPC_PINCON->PINSEL3 & ~0x0000000F) | 0x00000005;
+	
+	/* Reset all MAC logic */
+	LPC_EMAC->MAC1 = EMAC_MAC1_RES_TX | EMAC_MAC1_RES_MCS_TX |
+		EMAC_MAC1_RES_RX | EMAC_MAC1_RES_MCS_RX | EMAC_MAC1_SIM_RES |
+		EMAC_MAC1_SOFT_RES;
+	LPC_EMAC->Command = EMAC_CR_REG_RES | EMAC_CR_TX_RES | EMAC_CR_RX_RES |
+		EMAC_CR_PASS_RUNT_FRM;
+	osDelay(10);
+	
+	/* Initial MAC initialization */
+	LPC_EMAC->MAC1 = EMAC_MAC1_PASS_ALL;
+	LPC_EMAC->MAC2 = EMAC_MAC2_CRC_EN | EMAC_MAC2_PAD_EN |
+		EMAC_MAC2_VLAN_PAD_EN;
+	LPC_EMAC->MAXF = EMAC_ETH_MAX_FLEN;
+
+	/* Set RMII management clock rate to lowest speed */
+	LPC_EMAC->MCFG = EMAC_MCFG_CLK_SEL(11) | EMAC_MCFG_RES_MII;
+	LPC_EMAC->MCFG &= ~EMAC_MCFG_RES_MII;
+
+	/* Maximum number of retries, 0x37 collision window, gap */
+	LPC_EMAC->CLRT = EMAC_CLRT_DEF;
+	LPC_EMAC->IPGR = EMAC_IPGR_P1_DEF | EMAC_IPGR_P2_DEF;
+
+#if LPC_EMAC_RMII
+	/* RMII setup */
+	LPC_EMAC->Command = EMAC_CR_PASS_RUNT_FRM | EMAC_CR_RMII;
+#else
+	/* MII setup */
+	LPC_EMAC->CR = EMAC_CR_PASS_RUNT_FRM;
+#endif
+
+	/* Initialize the PHY and reset */
+    err = lpc_phy_init(netif, LPC_EMAC_RMII);
+	if (err != ERR_OK)
+ 		return err;
+
+	/* Save station address */
+	LPC_EMAC->SA2 = (u32_t) netif->hwaddr[0] |
+		(((u32_t) netif->hwaddr[1]) << 8);
+	LPC_EMAC->SA1 = (u32_t) netif->hwaddr[2] |
+		(((u32_t) netif->hwaddr[3]) << 8);
+	LPC_EMAC->SA0 = (u32_t) netif->hwaddr[4] |
+		(((u32_t) netif->hwaddr[5]) << 8);
+
+	/* Setup transmit and receive descriptors */
+	if (lpc_tx_setup(lpc_enetif) != ERR_OK)
+		return ERR_BUF;
+	if (lpc_rx_setup(lpc_enetif) != ERR_OK)
+		return ERR_BUF;
+
+	/* Enable packet reception */
+#if IP_SOF_BROADCAST_RECV
+	LPC_EMAC->RxFilterCtrl = EMAC_RFC_PERFECT_EN | EMAC_RFC_BCAST_EN;
+#else
+	LPC_EMAC->RxFilterCtrl = EMAC_RFC_PERFECT_EN;
+#endif
+
+	/* Clear and enable rx/tx interrupts */
+	LPC_EMAC->IntClear = 0xFFFF;
+	LPC_EMAC->IntEnable = RXINTGROUP | TXINTGROUP;
+
+	/* Enable RX and TX */
+	LPC_EMAC->Command |= EMAC_CR_RX_EN | EMAC_CR_TX_EN;
+	LPC_EMAC->MAC1 |= EMAC_MAC1_REC_EN;
+
+	return err;
+}
+
+/* This function provides a method for the PHY to setup the EMAC
+   for the PHY negotiated duplex mode */
+void lpc_emac_set_duplex(int full_duplex)
+{
+	if (full_duplex) {
+		LPC_EMAC->MAC2    |= EMAC_MAC2_FULL_DUP;
+		LPC_EMAC->Command |= EMAC_CR_FULL_DUP;
+		LPC_EMAC->IPGT     = EMAC_IPGT_FULL_DUP;
+	} else {
+		LPC_EMAC->MAC2    &= ~EMAC_MAC2_FULL_DUP;
+		LPC_EMAC->Command &= ~EMAC_CR_FULL_DUP;
+		LPC_EMAC->IPGT = EMAC_IPGT_HALF_DUP;
+	}
+}
+
+/* This function provides a method for the PHY to setup the EMAC
+   for the PHY negotiated bit rate */
+void lpc_emac_set_speed(int mbs_100)
+{
+	if (mbs_100)
+		LPC_EMAC->SUPP = EMAC_SUPP_SPEED;
+	else
+		LPC_EMAC->SUPP = 0;
+}
+
+/**
+ * This function is the ethernet packet send function. It calls
+ * etharp_output after checking link status.
+ *
+ * \param[in] netif the lwip network interface structure for this lpc_enetif
+ * \param[in] q Pointer to pbug to send
+ * \param[in] ipaddr IP address 
+ * \return ERR_OK or error code
+ */
+err_t lpc_etharp_output(struct netif *netif, struct pbuf *q,
+	ip_addr_t *ipaddr)
+{
+	/* Only send packet is link is up */
+	if (netif->flags & NETIF_FLAG_LINK_UP)
+		return etharp_output(netif, q, ipaddr);
+
+	return ERR_CONN;
+}
+
+#if NO_SYS == 0
+/* periodic PHY status update */
+void phy_update(void const *nif) {
+    lpc_phy_sts_sm((struct netif*)nif);
+}
+osTimerDef(phy_update, phy_update);
+#endif
+
+/**
+ * Should be called at the beginning of the program to set up the
+ * network interface.
+ *
+ * This function should be passed as a parameter to netif_add().
+ *
+ * @param[in] netif the lwip network interface structure for this lpc_enetif
+ * @return ERR_OK if the loopif is initialized
+ *         ERR_MEM if private data couldn't be allocated
+ *         any other err_t on error
+ */
+err_t lpc_enetif_init(struct netif *netif)
+{
+	err_t err;
+
+	LWIP_ASSERT("netif != NULL", (netif != NULL));
+    
+	lpc_enetdata.netif = netif;
+
+	/* set MAC hardware address */
+	mbed_mac_address((char *)netif->hwaddr);
+	netif->hwaddr_len = ETHARP_HWADDR_LEN;
+
+ 	/* maximum transfer unit */
+	netif->mtu = 1500;
+
+	/* device capabilities */
+	netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET;
+
+	/* Initialize the hardware */
+	netif->state = &lpc_enetdata;
+	err = low_level_init(netif);
+	if (err != ERR_OK)
+		return err;
+
+#if LWIP_NETIF_HOSTNAME
+	/* Initialize interface hostname */
+	netif->hostname = "lwiplpc";
+#endif /* LWIP_NETIF_HOSTNAME */
+
+	netif->name[0] = 'e';
+	netif->name[1] = 'n';
+
+	netif->output = lpc_etharp_output;
+	netif->linkoutput = lpc_low_level_output;
+
+    /* CMSIS-RTOS, start tasks */
+#if NO_SYS == 0
+#ifdef CMSIS_OS_RTX
+    memset(lpc_enetdata.xTXDCountSem.data, 0, sizeof(lpc_enetdata.xTXDCountSem.data));
+    lpc_enetdata.xTXDCountSem.def.semaphore = lpc_enetdata.xTXDCountSem.data;
+#endif
+    lpc_enetdata.xTXDCountSem.id = osSemaphoreCreate(&lpc_enetdata.xTXDCountSem.def, LPC_NUM_BUFF_TXDESCS);
+	LWIP_ASSERT("xTXDCountSem creation error", (lpc_enetdata.xTXDCountSem.id != NULL));
+
+	err = sys_mutex_new(&lpc_enetdata.TXLockMutex);
+	LWIP_ASSERT("TXLockMutex creation error", (err == ERR_OK));
+
+	/* Packet receive task */
+	err = sys_sem_new(&lpc_enetdata.RxSem, 0);
+	LWIP_ASSERT("RxSem creation error", (err == ERR_OK));
+	sys_thread_new("receive_thread", packet_rx, netif->state, DEFAULT_THREAD_STACKSIZE, RX_PRIORITY);
+
+	/* Transmit cleanup task */
+	err = sys_sem_new(&lpc_enetdata.TxCleanSem, 0);
+	LWIP_ASSERT("TxCleanSem creation error", (err == ERR_OK));
+	sys_thread_new("txclean_thread", packet_tx, netif->state, DEFAULT_THREAD_STACKSIZE, TX_PRIORITY);
+	
+	/* periodic PHY status update */
+	osTimerId phy_timer = osTimerCreate(osTimer(phy_update), osTimerPeriodic, (void *)netif);
+	osTimerStart(phy_timer, 250);
+#endif
+    
+    return ERR_OK;
+}
+
+/**
+ * @}
+ */
+
+/* --------------------------------- End Of File ------------------------------ */
diff --git a/libraries/net/EthernetInterface/lwip-eth/arch/lpc17_emac.h b/libraries/net/EthernetInterface/lwip-eth/arch/lpc17_emac.h
new file mode 100644
index 0000000000..851030ddb2
--- /dev/null
+++ b/libraries/net/EthernetInterface/lwip-eth/arch/lpc17_emac.h
@@ -0,0 +1,51 @@
+/**********************************************************************
+* $Id$		lpc17_emac.h			2011-11-20
+*//**
+* @file		lpc17_emac.h
+* @brief	LPC17 ethernet driver header file for LWIP
+* @version	1.0
+* @date		20. Nov. 2011
+* @author	NXP MCU SW Application Team
+* 
+* Copyright(C) 2011, NXP Semiconductor
+* All rights reserved.
+*
+***********************************************************************
+* Software that is described herein is for illustrative purposes only
+* which provides customers with programming information regarding the
+* products. This software is supplied "AS IS" without any warranties.
+* NXP Semiconductors assumes no responsibility or liability for the
+* use of the software, conveys no license or title under any patent,
+* copyright, or mask work right to the product. NXP Semiconductors
+* reserves the right to make changes in the software without
+* notification. NXP Semiconductors also make no representation or
+* warranty that such application will be suitable for the specified
+* use without further testing or modification.
+**********************************************************************/
+
+#ifndef __LPC17_EMAC_H
+#define __LPC17_EMAC_H
+
+#include "lwip/opt.h"
+#include "lwip/netif.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/* These functions are only visible when not using an RTOS */ 
+#if NO_SYS == 1
+void lpc_enetif_input(struct netif *netif);
+s32_t lpc_tx_ready(struct netif *netif);
+s32_t lpc_rx_queue(struct netif *netif);
+void lpc_tx_reclaim(struct netif *netif);
+#endif
+
+err_t lpc_enetif_init(struct netif *netif);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LPC17_EMAC_H */
diff --git a/libraries/net/EthernetInterface/lwip-eth/arch/lpc17xx_emac.h b/libraries/net/EthernetInterface/lwip-eth/arch/lpc17xx_emac.h
new file mode 100644
index 0000000000..db9e30e63e
--- /dev/null
+++ b/libraries/net/EthernetInterface/lwip-eth/arch/lpc17xx_emac.h
@@ -0,0 +1,661 @@
+/**********************************************************************
+* $Id$        lpc17xx_emac.h                2010-05-21
+*//**
+* @file        lpc17xx_emac.h
+* @brief    Contains all macro definitions and function prototypes
+*             support for Ethernet MAC firmware library on LPC17xx
+* @version    2.0
+* @date        21. May. 2010
+* @author    NXP MCU SW Application Team
+*
+* Copyright(C) 2010, NXP Semiconductor
+* All rights reserved.
+*
+***********************************************************************
+* Software that is described herein is for illustrative purposes only
+* which provides customers with programming information regarding the
+* products. This software is supplied "AS IS" without any warranties.
+* NXP Semiconductors assumes no responsibility or liability for the
+* use of the software, conveys no license or title under any patent,
+* copyright, or mask work right to the product. NXP Semiconductors
+* reserves the right to make changes in the software without
+* notification. NXP Semiconductors also make no representation or
+* warranty that such application will be suitable for the specified
+* use without further testing or modification.
+**********************************************************************/
+
+/* Peripheral group ----------------------------------------------------------- */
+/** @defgroup EMAC EMAC (Ethernet Media Access Controller)
+ * @ingroup LPC1700CMSIS_FwLib_Drivers
+ * @{
+ */
+
+#ifndef LPC17XX_EMAC_H_
+#define LPC17XX_EMAC_H_
+
+/* Includes ------------------------------------------------------------------- */
+#include "LPC17xx.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#define MCB_LPC_1768
+//#define IAR_LPC_1768
+
+/* Public Macros -------------------------------------------------------------- */
+/** @defgroup EMAC_Public_Macros EMAC Public Macros
+ * @{
+ */
+
+
+/* EMAC PHY status type definitions */
+#define EMAC_PHY_STAT_LINK            (0)        /**< Link Status */
+#define EMAC_PHY_STAT_SPEED            (1)        /**< Speed Status */
+#define EMAC_PHY_STAT_DUP            (2)        /**< Duplex Status */
+
+/* EMAC PHY device Speed definitions */
+#define EMAC_MODE_AUTO                (0)        /**< Auto-negotiation mode */
+#define EMAC_MODE_10M_FULL            (1)        /**< 10Mbps FullDuplex mode */
+#define EMAC_MODE_10M_HALF            (2)        /**< 10Mbps HalfDuplex mode */
+#define EMAC_MODE_100M_FULL            (3)        /**< 100Mbps FullDuplex mode */
+#define EMAC_MODE_100M_HALF            (4)        /**< 100Mbps HalfDuplex mode */
+
+/**
+ * @}
+ */
+/* Private Macros ------------------------------------------------------------- */
+/** @defgroup EMAC_Private_Macros EMAC Private Macros
+ * @{
+ */
+
+
+/* EMAC Memory Buffer configuration for 16K Ethernet RAM */
+#define EMAC_NUM_RX_FRAG         4           /**< Num.of RX Fragments 4*1536= 6.0kB */
+#define EMAC_NUM_TX_FRAG         3           /**< Num.of TX Fragments 3*1536= 4.6kB */
+#define EMAC_ETH_MAX_FLEN        1536        /**< Max. Ethernet Frame Size          */
+#define EMAC_TX_FRAME_TOUT       0x00100000  /**< Frame Transmit timeout count      */
+
+/* --------------------- BIT DEFINITIONS -------------------------------------- */
+/*********************************************************************//**
+ * Macro defines for MAC Configuration Register 1
+ **********************************************************************/
+#define EMAC_MAC1_REC_EN         0x00000001  /**< Receive Enable                    */
+#define EMAC_MAC1_PASS_ALL       0x00000002  /**< Pass All Receive Frames           */
+#define EMAC_MAC1_RX_FLOWC       0x00000004  /**< RX Flow Control                   */
+#define EMAC_MAC1_TX_FLOWC       0x00000008  /**< TX Flow Control                   */
+#define EMAC_MAC1_LOOPB          0x00000010  /**< Loop Back Mode                    */
+#define EMAC_MAC1_RES_TX         0x00000100  /**< Reset TX Logic                    */
+#define EMAC_MAC1_RES_MCS_TX     0x00000200  /**< Reset MAC TX Control Sublayer     */
+#define EMAC_MAC1_RES_RX         0x00000400  /**< Reset RX Logic                    */
+#define EMAC_MAC1_RES_MCS_RX     0x00000800  /**< Reset MAC RX Control Sublayer     */
+#define EMAC_MAC1_SIM_RES        0x00004000  /**< Simulation Reset                  */
+#define EMAC_MAC1_SOFT_RES       0x00008000  /**< Soft Reset MAC                    */
+
+/*********************************************************************//**
+ * Macro defines for MAC Configuration Register 2
+ **********************************************************************/
+#define EMAC_MAC2_FULL_DUP       0x00000001  /**< Full-Duplex Mode                  */
+#define EMAC_MAC2_FRM_LEN_CHK    0x00000002  /**< Frame Length Checking             */
+#define EMAC_MAC2_HUGE_FRM_EN    0x00000004  /**< Huge Frame Enable                 */
+#define EMAC_MAC2_DLY_CRC        0x00000008  /**< Delayed CRC Mode                  */
+#define EMAC_MAC2_CRC_EN         0x00000010  /**< Append CRC to every Frame         */
+#define EMAC_MAC2_PAD_EN         0x00000020  /**< Pad all Short Frames              */
+#define EMAC_MAC2_VLAN_PAD_EN    0x00000040  /**< VLAN Pad Enable                   */
+#define EMAC_MAC2_ADET_PAD_EN    0x00000080  /**< Auto Detect Pad Enable            */
+#define EMAC_MAC2_PPREAM_ENF     0x00000100  /**< Pure Preamble Enforcement         */
+#define EMAC_MAC2_LPREAM_ENF     0x00000200  /**< Long Preamble Enforcement         */
+#define EMAC_MAC2_NO_BACKOFF     0x00001000  /**< No Backoff Algorithm              */
+#define EMAC_MAC2_BACK_PRESSURE  0x00002000  /**< Backoff Presurre / No Backoff     */
+#define EMAC_MAC2_EXCESS_DEF     0x00004000  /**< Excess Defer                      */
+
+/*********************************************************************//**
+ * Macro defines for Back-to-Back Inter-Packet-Gap Register
+ **********************************************************************/
+/** Programmable field representing the nibble time offset of the minimum possible period
+ * between the end of any transmitted packet to the beginning of the next */
+#define EMAC_IPGT_BBIPG(n)        (n&0x7F)
+/** Recommended value for Full Duplex of Programmable field representing the nibble time
+ * offset of the minimum possible period between the end of any transmitted packet to the
+ * beginning of the next */
+#define EMAC_IPGT_FULL_DUP        (EMAC_IPGT_BBIPG(0x15))
+/** Recommended value for Half Duplex of Programmable field representing the nibble time
+ * offset of the minimum possible period between the end of any transmitted packet to the
+ * beginning of the next */
+#define EMAC_IPGT_HALF_DUP      (EMAC_IPGT_BBIPG(0x12))
+
+/*********************************************************************//**
+ * Macro defines for Non Back-to-Back Inter-Packet-Gap Register
+ **********************************************************************/
+/** Programmable field representing the Non-Back-to-Back Inter-Packet-Gap */
+#define EMAC_IPGR_NBBIPG_P2(n)    (n&0x7F)
+/** Recommended value for Programmable field representing the Non-Back-to-Back Inter-Packet-Gap Part 1 */
+#define EMAC_IPGR_P2_DEF        (EMAC_IPGR_NBBIPG_P2(0x12))
+/** Programmable field representing the optional carrierSense window referenced in
+ * IEEE 802.3/4.2.3.2.1 'Carrier Deference' */
+#define EMAC_IPGR_NBBIPG_P1(n)    ((n&0x7F)<<8)
+/** Recommended value for Programmable field representing the Non-Back-to-Back Inter-Packet-Gap Part 2 */
+#define EMAC_IPGR_P1_DEF        EMAC_IPGR_NBBIPG_P1(0x0C)
+
+/*********************************************************************//**
+ * Macro defines for Collision Window/Retry Register
+ **********************************************************************/
+/** Programmable field specifying the number of retransmission attempts following a collision before
+ * aborting the packet due to excessive collisions */
+#define EMAC_CLRT_MAX_RETX(n)    (n&0x0F)
+/** Programmable field representing the slot time or collision window during which collisions occur
+ * in properly configured networks */
+#define EMAC_CLRT_COLL(n)        ((n&0x3F)<<8)
+/** Default value for Collision Window / Retry register */
+#define EMAC_CLRT_DEF           ((EMAC_CLRT_MAX_RETX(0x0F))|(EMAC_CLRT_COLL(0x37)))
+
+/*********************************************************************//**
+ * Macro defines for Maximum Frame Register
+ **********************************************************************/
+/** Represents a maximum receive frame of 1536 octets */
+#define EMAC_MAXF_MAXFRMLEN(n)    (n&0xFFFF)
+
+/*********************************************************************//**
+ * Macro defines for PHY Support Register
+ **********************************************************************/
+#define EMAC_SUPP_SPEED            0x00000100      /**< Reduced MII Logic Current Speed   */
+#define EMAC_SUPP_RES_RMII      0x00000800      /**< Reset Reduced MII Logic           */
+
+/*********************************************************************//**
+ * Macro defines for Test Register
+ **********************************************************************/
+#define EMAC_TEST_SHCUT_PQUANTA  0x00000001      /**< Shortcut Pause Quanta             */
+#define EMAC_TEST_TST_PAUSE      0x00000002      /**< Test Pause                        */
+#define EMAC_TEST_TST_BACKP      0x00000004      /**< Test Back Pressure                */
+
+/*********************************************************************//**
+ * Macro defines for MII Management Configuration Register
+ **********************************************************************/
+#define EMAC_MCFG_SCAN_INC       0x00000001      /**< Scan Increment PHY Address        */
+#define EMAC_MCFG_SUPP_PREAM     0x00000002      /**< Suppress Preamble                 */
+#define EMAC_MCFG_CLK_SEL(n)     ((n&0x0F)<<2)  /**< Clock Select Field                 */
+#define EMAC_MCFG_RES_MII        0x00008000      /**< Reset MII Management Hardware     */
+#define EMAC_MCFG_MII_MAXCLK     2500000UL        /**< MII Clock max */
+
+/*********************************************************************//**
+ * Macro defines for MII Management Command Register
+ **********************************************************************/
+#define EMAC_MCMD_READ           0x00000001      /**< MII Read                          */
+#define EMAC_MCMD_SCAN           0x00000002      /**< MII Scan continuously             */
+
+#define EMAC_MII_WR_TOUT         0x00050000      /**< MII Write timeout count           */
+#define EMAC_MII_RD_TOUT         0x00050000      /**< MII Read timeout count            */
+
+/*********************************************************************//**
+ * Macro defines for MII Management Address Register
+ **********************************************************************/
+#define EMAC_MADR_REG_ADR(n)     (n&0x1F)          /**< MII Register Address field         */
+#define EMAC_MADR_PHY_ADR(n)     ((n&0x1F)<<8)  /**< PHY Address Field                  */
+
+/*********************************************************************//**
+ * Macro defines for MII Management Write Data Register
+ **********************************************************************/
+#define EMAC_MWTD_DATA(n)        (n&0xFFFF)        /**< Data field for MMI Management Write Data register */
+
+/*********************************************************************//**
+ * Macro defines for MII Management Read Data Register
+ **********************************************************************/
+#define EMAC_MRDD_DATA(n)        (n&0xFFFF)        /**< Data field for MMI Management Read Data register */
+
+/*********************************************************************//**
+ * Macro defines for MII Management Indicators Register
+ **********************************************************************/
+#define EMAC_MIND_BUSY           0x00000001      /**< MII is Busy                       */
+#define EMAC_MIND_SCAN           0x00000002      /**< MII Scanning in Progress          */
+#define EMAC_MIND_NOT_VAL        0x00000004      /**< MII Read Data not valid           */
+#define EMAC_MIND_MII_LINK_FAIL  0x00000008      /**< MII Link Failed                   */
+
+/* Station Address 0 Register */
+/* Station Address 1 Register */
+/* Station Address 2 Register */
+
+
+/* Control register definitions --------------------------------------------------------------------------- */
+/*********************************************************************//**
+ * Macro defines for Command Register
+ **********************************************************************/
+#define EMAC_CR_RX_EN            0x00000001      /**< Enable Receive                    */
+#define EMAC_CR_TX_EN            0x00000002      /**< Enable Transmit                   */
+#define EMAC_CR_REG_RES          0x00000008      /**< Reset Host Registers              */
+#define EMAC_CR_TX_RES           0x00000010      /**< Reset Transmit Datapath           */
+#define EMAC_CR_RX_RES           0x00000020      /**< Reset Receive Datapath            */
+#define EMAC_CR_PASS_RUNT_FRM    0x00000040      /**< Pass Runt Frames                  */
+#define EMAC_CR_PASS_RX_FILT     0x00000080      /**< Pass RX Filter                    */
+#define EMAC_CR_TX_FLOW_CTRL     0x00000100      /**< TX Flow Control                   */
+#define EMAC_CR_RMII             0x00000200      /**< Reduced MII Interface             */
+#define EMAC_CR_FULL_DUP         0x00000400      /**< Full Duplex                       */
+
+/*********************************************************************//**
+ * Macro defines for Status Register
+ **********************************************************************/
+#define EMAC_SR_RX_EN            0x00000001      /**< Enable Receive                    */
+#define EMAC_SR_TX_EN            0x00000002      /**< Enable Transmit                   */
+
+/*********************************************************************//**
+ * Macro defines for Transmit Status Vector 0 Register
+ **********************************************************************/
+#define EMAC_TSV0_CRC_ERR        0x00000001  /**< CRC error                         */
+#define EMAC_TSV0_LEN_CHKERR     0x00000002  /**< Length Check Error                */
+#define EMAC_TSV0_LEN_OUTRNG     0x00000004  /**< Length Out of Range               */
+#define EMAC_TSV0_DONE           0x00000008  /**< Tramsmission Completed            */
+#define EMAC_TSV0_MCAST          0x00000010  /**< Multicast Destination             */
+#define EMAC_TSV0_BCAST          0x00000020  /**< Broadcast Destination             */
+#define EMAC_TSV0_PKT_DEFER      0x00000040  /**< Packet Deferred                   */
+#define EMAC_TSV0_EXC_DEFER      0x00000080  /**< Excessive Packet Deferral         */
+#define EMAC_TSV0_EXC_COLL       0x00000100  /**< Excessive Collision               */
+#define EMAC_TSV0_LATE_COLL      0x00000200  /**< Late Collision Occured            */
+#define EMAC_TSV0_GIANT          0x00000400  /**< Giant Frame                       */
+#define EMAC_TSV0_UNDERRUN       0x00000800  /**< Buffer Underrun                   */
+#define EMAC_TSV0_BYTES          0x0FFFF000  /**< Total Bytes Transferred           */
+#define EMAC_TSV0_CTRL_FRAME     0x10000000  /**< Control Frame                     */
+#define EMAC_TSV0_PAUSE          0x20000000  /**< Pause Frame                       */
+#define EMAC_TSV0_BACK_PRESS     0x40000000  /**< Backpressure Method Applied       */
+#define EMAC_TSV0_VLAN           0x80000000  /**< VLAN Frame                        */
+
+/*********************************************************************//**
+ * Macro defines for Transmit Status Vector 1 Register
+ **********************************************************************/
+#define EMAC_TSV1_BYTE_CNT       0x0000FFFF  /**< Transmit Byte Count               */
+#define EMAC_TSV1_COLL_CNT       0x000F0000  /**< Transmit Collision Count          */
+
+/*********************************************************************//**
+ * Macro defines for Receive Status Vector Register
+ **********************************************************************/
+#define EMAC_RSV_BYTE_CNT        0x0000FFFF  /**< Receive Byte Count                */
+#define EMAC_RSV_PKT_IGNORED     0x00010000  /**< Packet Previously Ignored         */
+#define EMAC_RSV_RXDV_SEEN       0x00020000  /**< RXDV Event Previously Seen        */
+#define EMAC_RSV_CARR_SEEN       0x00040000  /**< Carrier Event Previously Seen     */
+#define EMAC_RSV_REC_CODEV       0x00080000  /**< Receive Code Violation            */
+#define EMAC_RSV_CRC_ERR         0x00100000  /**< CRC Error                         */
+#define EMAC_RSV_LEN_CHKERR      0x00200000  /**< Length Check Error                */
+#define EMAC_RSV_LEN_OUTRNG      0x00400000  /**< Length Out of Range               */
+#define EMAC_RSV_REC_OK          0x00800000  /**< Frame Received OK                 */
+#define EMAC_RSV_MCAST           0x01000000  /**< Multicast Frame                   */
+#define EMAC_RSV_BCAST           0x02000000  /**< Broadcast Frame                   */
+#define EMAC_RSV_DRIB_NIBB       0x04000000  /**< Dribble Nibble                    */
+#define EMAC_RSV_CTRL_FRAME      0x08000000  /**< Control Frame                     */
+#define EMAC_RSV_PAUSE           0x10000000  /**< Pause Frame                       */
+#define EMAC_RSV_UNSUPP_OPC      0x20000000  /**< Unsupported Opcode                */
+#define EMAC_RSV_VLAN            0x40000000  /**< VLAN Frame                        */
+
+/*********************************************************************//**
+ * Macro defines for Flow Control Counter Register
+ **********************************************************************/
+#define EMAC_FCC_MIRR_CNT(n)            (n&0xFFFF)          /**< Mirror Counter                    */
+#define EMAC_FCC_PAUSE_TIM(n)           ((n&0xFFFF)<<16)      /**< Pause Timer                       */
+
+/*********************************************************************//**
+ * Macro defines for Flow Control Status Register
+ **********************************************************************/
+#define EMAC_FCS_MIRR_CNT(n)            (n&0xFFFF)          /**< Mirror Counter Current            */
+
+
+/* Receive filter register definitions -------------------------------------------------------- */
+/*********************************************************************//**
+ * Macro defines for Receive Filter Control Register
+ **********************************************************************/
+#define EMAC_RFC_UCAST_EN        0x00000001  /**< Accept Unicast Frames Enable      */
+#define EMAC_RFC_BCAST_EN        0x00000002  /**< Accept Broadcast Frames Enable    */
+#define EMAC_RFC_MCAST_EN        0x00000004  /**< Accept Multicast Frames Enable    */
+#define EMAC_RFC_UCAST_HASH_EN   0x00000008  /**< Accept Unicast Hash Filter Frames */
+#define EMAC_RFC_MCAST_HASH_EN   0x00000010  /**< Accept Multicast Hash Filter Fram.*/
+#define EMAC_RFC_PERFECT_EN      0x00000020  /**< Accept Perfect Match Enable       */
+#define EMAC_RFC_MAGP_WOL_EN     0x00001000  /**< Magic Packet Filter WoL Enable    */
+#define EMAC_RFC_PFILT_WOL_EN    0x00002000  /**< Perfect Filter WoL Enable         */
+
+/*********************************************************************//**
+ * Macro defines for Receive Filter WoL Status/Clear Registers
+ **********************************************************************/
+#define EMAC_WOL_UCAST           0x00000001  /**< Unicast Frame caused WoL          */
+#define EMAC_WOL_BCAST           0x00000002  /**< Broadcast Frame caused WoL        */
+#define EMAC_WOL_MCAST           0x00000004  /**< Multicast Frame caused WoL        */
+#define EMAC_WOL_UCAST_HASH      0x00000008  /**< Unicast Hash Filter Frame WoL     */
+#define EMAC_WOL_MCAST_HASH      0x00000010  /**< Multicast Hash Filter Frame WoL   */
+#define EMAC_WOL_PERFECT         0x00000020  /**< Perfect Filter WoL                */
+#define EMAC_WOL_RX_FILTER       0x00000080  /**< RX Filter caused WoL              */
+#define EMAC_WOL_MAG_PACKET      0x00000100  /**< Magic Packet Filter caused WoL    */
+#define EMAC_WOL_BITMASK         0x01BF        /**< Receive Filter WoL Status/Clear bitmasl value */
+
+
+/* Module control register definitions ---------------------------------------------------- */
+/*********************************************************************//**
+ * Macro defines for Interrupt Status/Enable/Clear/Set Registers
+ **********************************************************************/
+#define EMAC_INT_RX_OVERRUN      0x00000001  /**< Overrun Error in RX Queue         */
+#define EMAC_INT_RX_ERR          0x00000002  /**< Receive Error                     */
+#define EMAC_INT_RX_FIN          0x00000004  /**< RX Finished Process Descriptors   */
+#define EMAC_INT_RX_DONE         0x00000008  /**< Receive Done                      */
+#define EMAC_INT_TX_UNDERRUN     0x00000010  /**< Transmit Underrun                 */
+#define EMAC_INT_TX_ERR          0x00000020  /**< Transmit Error                    */
+#define EMAC_INT_TX_FIN          0x00000040  /**< TX Finished Process Descriptors   */
+#define EMAC_INT_TX_DONE         0x00000080  /**< Transmit Done                     */
+#define EMAC_INT_SOFT_INT        0x00001000  /**< Software Triggered Interrupt      */
+#define EMAC_INT_WAKEUP          0x00002000  /**< Wakeup Event Interrupt            */
+
+/*********************************************************************//**
+ * Macro defines for Power Down Register
+ **********************************************************************/
+#define EMAC_PD_POWER_DOWN       0x80000000  /**< Power Down MAC                    */
+
+/* Descriptor and status formats ---------------------------------------------------- */
+/*********************************************************************//**
+ * Macro defines for RX Descriptor Control Word
+ **********************************************************************/
+#define EMAC_RCTRL_SIZE(n)       (n&0x7FF)      /**< Buffer size field                  */
+#define EMAC_RCTRL_INT           0x80000000      /**< Generate RxDone Interrupt         */
+
+/*********************************************************************//**
+ * Macro defines for RX Status Hash CRC Word
+ **********************************************************************/
+#define EMAC_RHASH_SA            0x000001FF      /**< Hash CRC for Source Address       */
+#define EMAC_RHASH_DA            0x001FF000      /**< Hash CRC for Destination Address  */
+
+/*********************************************************************//**
+ * Macro defines for RX Status Information Word
+ **********************************************************************/
+#define EMAC_RINFO_SIZE          0x000007FF  /**< Data size in bytes                */
+#define EMAC_RINFO_CTRL_FRAME    0x00040000  /**< Control Frame                     */
+#define EMAC_RINFO_VLAN          0x00080000  /**< VLAN Frame                        */
+#define EMAC_RINFO_FAIL_FILT     0x00100000  /**< RX Filter Failed                  */
+#define EMAC_RINFO_MCAST         0x00200000  /**< Multicast Frame                   */
+#define EMAC_RINFO_BCAST         0x00400000  /**< Broadcast Frame                   */
+#define EMAC_RINFO_CRC_ERR       0x00800000  /**< CRC Error in Frame                */
+#define EMAC_RINFO_SYM_ERR       0x01000000  /**< Symbol Error from PHY             */
+#define EMAC_RINFO_LEN_ERR       0x02000000  /**< Length Error                      */
+#define EMAC_RINFO_RANGE_ERR     0x04000000  /**< Range Error (exceeded max. size)  */
+#define EMAC_RINFO_ALIGN_ERR     0x08000000  /**< Alignment Error                   */
+#define EMAC_RINFO_OVERRUN       0x10000000  /**< Receive overrun                   */
+#define EMAC_RINFO_NO_DESCR      0x20000000  /**< No new Descriptor available       */
+#define EMAC_RINFO_LAST_FLAG     0x40000000  /**< Last Fragment in Frame            */
+#define EMAC_RINFO_ERR           0x80000000  /**< Error Occured (OR of all errors)  */
+#define EMAC_RINFO_ERR_MASK     (EMAC_RINFO_FAIL_FILT | EMAC_RINFO_CRC_ERR   | EMAC_RINFO_SYM_ERR | \
+EMAC_RINFO_LEN_ERR   | EMAC_RINFO_ALIGN_ERR | EMAC_RINFO_OVERRUN)
+
+/*********************************************************************//**
+ * Macro defines for TX Descriptor Control Word
+ **********************************************************************/
+#define EMAC_TCTRL_SIZE          0x000007FF  /**< Size of data buffer in bytes      */
+#define EMAC_TCTRL_OVERRIDE      0x04000000  /**< Override Default MAC Registers    */
+#define EMAC_TCTRL_HUGE          0x08000000  /**< Enable Huge Frame                 */
+#define EMAC_TCTRL_PAD           0x10000000  /**< Pad short Frames to 64 bytes      */
+#define EMAC_TCTRL_CRC           0x20000000  /**< Append a hardware CRC to Frame    */
+#define EMAC_TCTRL_LAST          0x40000000  /**< Last Descriptor for TX Frame      */
+#define EMAC_TCTRL_INT           0x80000000  /**< Generate TxDone Interrupt         */
+
+/*********************************************************************//**
+ * Macro defines for TX Status Information Word
+ **********************************************************************/
+#define EMAC_TINFO_COL_CNT       0x01E00000  /**< Collision Count                   */
+#define EMAC_TINFO_DEFER         0x02000000  /**< Packet Deferred (not an error)    */
+#define EMAC_TINFO_EXCESS_DEF    0x04000000  /**< Excessive Deferral                */
+#define EMAC_TINFO_EXCESS_COL    0x08000000  /**< Excessive Collision               */
+#define EMAC_TINFO_LATE_COL      0x10000000  /**< Late Collision Occured            */
+#define EMAC_TINFO_UNDERRUN      0x20000000  /**< Transmit Underrun                 */
+#define EMAC_TINFO_NO_DESCR      0x40000000  /**< No new Descriptor available       */
+#define EMAC_TINFO_ERR           0x80000000  /**< Error Occured (OR of all errors)  */
+
+#ifdef MCB_LPC_1768
+/* DP83848C PHY definition ------------------------------------------------------------ */
+
+/** PHY device reset time out definition */
+#define EMAC_PHY_RESP_TOUT        0x100000UL
+
+/* ENET Device Revision ID */
+#define EMAC_OLD_EMAC_MODULE_ID  0x39022000  /**< Rev. ID for first rev '-'         */
+
+/*********************************************************************//**
+ * Macro defines for DP83848C PHY Registers
+ **********************************************************************/
+#define EMAC_PHY_REG_BMCR        0x00        /**< Basic Mode Control Register       */
+#define EMAC_PHY_REG_BMSR        0x01        /**< Basic Mode Status Register        */
+#define EMAC_PHY_REG_IDR1        0x02        /**< PHY Identifier 1                  */
+#define EMAC_PHY_REG_IDR2        0x03        /**< PHY Identifier 2                  */
+#define EMAC_PHY_REG_ANAR        0x04        /**< Auto-Negotiation Advertisement    */
+#define EMAC_PHY_REG_ANLPAR      0x05        /**< Auto-Neg. Link Partner Abitily    */
+#define EMAC_PHY_REG_ANER        0x06        /**< Auto-Neg. Expansion Register      */
+#define EMAC_PHY_REG_ANNPTR      0x07        /**< Auto-Neg. Next Page TX            */
+#define EMAC_PHY_REG_LPNPA         0x08
+
+/*********************************************************************//**
+ * Macro defines for PHY Extended Registers
+ **********************************************************************/
+#define EMAC_PHY_REG_STS         0x10        /**< Status Register                   */
+#define EMAC_PHY_REG_MICR        0x11        /**< MII Interrupt Control Register    */
+#define EMAC_PHY_REG_MISR        0x12        /**< MII Interrupt Status Register     */
+#define EMAC_PHY_REG_FCSCR       0x14        /**< False Carrier Sense Counter       */
+#define EMAC_PHY_REG_RECR        0x15        /**< Receive Error Counter             */
+#define EMAC_PHY_REG_PCSR        0x16        /**< PCS Sublayer Config. and Status   */
+#define EMAC_PHY_REG_RBR         0x17        /**< RMII and Bypass Register          */
+#define EMAC_PHY_REG_LEDCR       0x18        /**< LED Direct Control Register       */
+#define EMAC_PHY_REG_PHYCR       0x19        /**< PHY Control Register              */
+#define EMAC_PHY_REG_10BTSCR     0x1A        /**< 10Base-T Status/Control Register  */
+#define EMAC_PHY_REG_CDCTRL1     0x1B        /**< CD Test Control and BIST Extens.  */
+#define EMAC_PHY_REG_EDCR        0x1D        /**< Energy Detect Control Register    */
+
+/*********************************************************************//**
+ * Macro defines for PHY Basic Mode Control Register
+ **********************************************************************/
+#define EMAC_PHY_BMCR_RESET                 (1<<15)        /**< Reset bit */
+#define EMAC_PHY_BMCR_LOOPBACK              (1<<14)        /**< Loop back */
+#define EMAC_PHY_BMCR_SPEED_SEL             (1<<13)        /**< Speed selection */
+#define EMAC_PHY_BMCR_AN                    (1<<12)        /**< Auto Negotiation */
+#define EMAC_PHY_BMCR_POWERDOWN                (1<<11)        /**< Power down mode */
+#define EMAC_PHY_BMCR_ISOLATE                (1<<10)        /**< Isolate */
+#define EMAC_PHY_BMCR_RE_AN                    (1<<9)        /**< Restart auto negotiation */
+#define EMAC_PHY_BMCR_DUPLEX                (1<<8)        /**< Duplex mode */
+
+/*********************************************************************//**
+ * Macro defines for PHY Basic Mode Status Status Register
+ **********************************************************************/
+#define EMAC_PHY_BMSR_100BE_T4                   (1<<15)        /**< 100 base T4 */
+#define EMAC_PHY_BMSR_100TX_FULL            (1<<14)        /**< 100 base full duplex */
+#define EMAC_PHY_BMSR_100TX_HALF            (1<<13)        /**< 100 base half duplex */
+#define EMAC_PHY_BMSR_10BE_FULL                (1<<12)        /**< 10 base T full duplex */
+#define EMAC_PHY_BMSR_10BE_HALF                (1<<11)        /**< 10 base T half duplex */
+#define EMAC_PHY_BMSR_NOPREAM                (1<<6)        /**< MF Preamable Supress */
+#define EMAC_PHY_BMSR_AUTO_DONE                (1<<5)        /**< Auto negotiation complete */
+#define EMAC_PHY_BMSR_REMOTE_FAULT            (1<<4)        /**< Remote fault */
+#define EMAC_PHY_BMSR_NO_AUTO                (1<<3)        /**< Auto Negotiation ability */
+#define EMAC_PHY_BMSR_LINK_ESTABLISHED        (1<<2)        /**< Link status */
+
+/*********************************************************************//**
+ * Macro defines for PHY Status Register
+ **********************************************************************/
+#define EMAC_PHY_SR_REMOTE_FAULT               (1<<6)        /**< Remote Fault */
+#define EMAC_PHY_SR_JABBER                    (1<<5)        /**< Jabber detect */
+#define EMAC_PHY_SR_AUTO_DONE                (1<<4)        /**< Auto Negotiation complete */
+#define EMAC_PHY_SR_LOOPBACK                (1<<3)        /**< Loop back status */
+#define EMAC_PHY_SR_DUP                        (1<<2)        /**< Duplex status */
+#define EMAC_PHY_SR_SPEED                    (1<<1)        /**< Speed status */
+#define EMAC_PHY_SR_LINK                    (1<<0)        /**< Link Status */
+
+#define EMAC_PHY_FULLD_100M      0x2100      /**< Full Duplex 100Mbit               */
+#define EMAC_PHY_HALFD_100M      0x2000      /**< Half Duplex 100Mbit               */
+#define EMAC_PHY_FULLD_10M       0x0100      /**< Full Duplex 10Mbit                */
+#define EMAC_PHY_HALFD_10M       0x0000      /**< Half Duplex 10MBit                */
+#define EMAC_PHY_AUTO_NEG        0x3000      /**< Select Auto Negotiation           */
+
+#define EMAC_DEF_ADR    0x0100      /**< Default PHY device address        */
+#define EMAC_DP83848C_ID         0x20005C90  /**< PHY Identifier                    */
+
+#define EMAC_PHY_SR_100_SPEED        ((1<<14)|(1<<13))
+#define EMAC_PHY_SR_FULL_DUP        ((1<<14)|(1<<12))
+#define EMAC_PHY_BMSR_LINK_STATUS            (1<<2)        /**< Link status */
+
+#elif defined(IAR_LPC_1768)
+/* KSZ8721BL PHY definition ------------------------------------------------------------ */
+/** PHY device reset time out definition */
+#define EMAC_PHY_RESP_TOUT        0x100000UL
+
+/* ENET Device Revision ID */
+#define EMAC_OLD_EMAC_MODULE_ID  0x39022000  /**< Rev. ID for first rev '-'         */
+
+/*********************************************************************//**
+ * Macro defines for KSZ8721BL PHY Registers
+ **********************************************************************/
+#define EMAC_PHY_REG_BMCR        0x00        /**< Basic Mode Control Register       */
+#define EMAC_PHY_REG_BMSR        0x01        /**< Basic Mode Status Register        */
+#define EMAC_PHY_REG_IDR1        0x02        /**< PHY Identifier 1                  */
+#define EMAC_PHY_REG_IDR2        0x03        /**< PHY Identifier 2                  */
+#define EMAC_PHY_REG_ANAR        0x04        /**< Auto-Negotiation Advertisement    */
+#define EMAC_PHY_REG_ANLPAR      0x05        /**< Auto-Neg. Link Partner Abitily    */
+#define EMAC_PHY_REG_ANER        0x06        /**< Auto-Neg. Expansion Register      */
+#define EMAC_PHY_REG_ANNPTR      0x07        /**< Auto-Neg. Next Page TX            */
+#define EMAC_PHY_REG_LPNPA         0x08         /**< Link Partner Next Page Ability    */
+#define EMAC_PHY_REG_REC         0x15         /**< RXError Counter Register            */
+#define EMAC_PHY_REG_ISC         0x1b         /**< Interrupt Control/Status Register */
+#define EMAC_PHY_REG_100BASE     0x1f         /**< 100BASE-TX PHY Control Register   */
+
+/*********************************************************************//**
+ * Macro defines for PHY Basic Mode Control Register
+ **********************************************************************/
+#define EMAC_PHY_BMCR_RESET                 (1<<15)        /**< Reset bit */
+#define EMAC_PHY_BMCR_LOOPBACK              (1<<14)        /**< Loop back */
+#define EMAC_PHY_BMCR_SPEED_SEL             (1<<13)        /**< Speed selection */
+#define EMAC_PHY_BMCR_AN                    (1<<12)        /**< Auto Negotiation */
+#define EMAC_PHY_BMCR_POWERDOWN                (1<<11)        /**< Power down mode */
+#define EMAC_PHY_BMCR_ISOLATE                (1<<10)        /**< Isolate */
+#define EMAC_PHY_BMCR_RE_AN                    (1<<9)        /**< Restart auto negotiation */
+#define EMAC_PHY_BMCR_DUPLEX                (1<<8)        /**< Duplex mode */
+#define EMAC_PHY_BMCR_COLLISION                (1<<7)        /**< Collision test */
+#define EMAC_PHY_BMCR_TXDIS                    (1<<0)        /**< Disable transmit */
+
+/*********************************************************************//**
+ * Macro defines for PHY Basic Mode Status Register
+ **********************************************************************/
+#define EMAC_PHY_BMSR_100BE_T4                   (1<<15)        /**< 100 base T4 */
+#define EMAC_PHY_BMSR_100TX_FULL            (1<<14)        /**< 100 base full duplex */
+#define EMAC_PHY_BMSR_100TX_HALF            (1<<13)        /**< 100 base half duplex */
+#define EMAC_PHY_BMSR_10BE_FULL                (1<<12)        /**< 10 base T full duplex */
+#define EMAC_PHY_BMSR_10BE_HALF                (1<<11)        /**< 10 base T half duplex */
+#define EMAC_PHY_BMSR_NOPREAM                (1<<6)        /**< MF Preamable Supress */
+#define EMAC_PHY_BMSR_AUTO_DONE                (1<<5)        /**< Auto negotiation complete */
+#define EMAC_PHY_BMSR_REMOTE_FAULT            (1<<4)        /**< Remote fault */
+#define EMAC_PHY_BMSR_NO_AUTO                (1<<3)        /**< Auto Negotiation ability */
+#define EMAC_PHY_BMSR_LINK_STATUS            (1<<2)        /**< Link status */
+#define EMAC_PHY_BMSR_JABBER_DETECT            (1<<1)        /**< Jabber detect */
+#define EMAC_PHY_BMSR_EXTEND                (1<<0)        /**< Extended support */
+
+/*********************************************************************//**
+ * Macro defines for PHY Identifier
+ **********************************************************************/
+/* PHY Identifier 1 bitmap definitions */
+#define EMAC_PHY_IDR1(n)        (n & 0xFFFF)        /**< PHY ID1 Number */
+
+/* PHY Identifier 2 bitmap definitions */
+#define EMAC_PHY_IDR2(n)        (n & 0xFFFF)        /**< PHY ID2 Number */
+
+/*********************************************************************//**
+ * Macro defines for Auto-Negotiation Advertisement
+ **********************************************************************/
+#define EMAC_PHY_AN_NEXTPAGE                    (1<<15)        /**<  Next page capable */
+#define EMAC_PHY_AN_REMOTE_FAULT                (1<<13)        /**< Remote Fault support */
+#define EMAC_PHY_AN_PAUSE                        (1<<10)        /**< Pause support */
+#define EMAC_PHY_AN_100BASE_T4                    (1<<9)        /**< T4 capable */
+#define EMAC_PHY_AN_100BASE_TX_FD                (1<<8)        /**< TX with Full-duplex capable */
+#define EMAC_PHY_AN_100BASE_TX                    (1<<7)        /**< TX capable */
+#define EMAC_PHY_AN_10BASE_T_FD                    (1<<6)        /**< 10Mbps with full-duplex capable */
+#define EMAC_PHY_AN_10BASE_T                    (1<<5)        /**< 10Mbps capable */
+#define EMAC_PHY_AN_FIELD(n)                    (n & 0x1F)  /**< Selector Field */
+
+#define EMAC_PHY_FULLD_100M      0x2100      /**< Full Duplex 100Mbit               */
+#define EMAC_PHY_HALFD_100M      0x2000      /**< Half Duplex 100Mbit               */
+#define EMAC_PHY_FULLD_10M       0x0100      /**< Full Duplex 10Mbit                */
+#define EMAC_PHY_HALFD_10M       0x0000      /**< Half Duplex 10MBit                */
+#define EMAC_PHY_AUTO_NEG        0x3000      /**< Select Auto Negotiation           */
+
+#define EMAC_PHY_SR_100_SPEED        ((1<<14)|(1<<13))
+#define EMAC_PHY_SR_FULL_DUP        ((1<<14)|(1<<12))
+
+#define EMAC_DEF_ADR    (0x01<<8)        /**< Default PHY device address        */
+#define EMAC_KSZ8721BL_ID     ((0x22 << 16) | 0x1619 ) /**< PHY Identifier */
+#endif
+
+/**
+ * @}
+ */
+
+
+/* Public Types --------------------------------------------------------------- */
+/** @defgroup EMAC_Public_Types EMAC Public Types
+ * @{
+ */
+
+/* Descriptor and status formats ---------------------------------------------- */
+
+/**
+ * @brief RX Descriptor structure type definition
+ */
+typedef struct {
+    uint32_t Packet;    /**< Receive Packet Descriptor */
+    uint32_t Ctrl;        /**< Receive Control Descriptor */
+} RX_Desc;
+
+/**
+ * @brief RX Status structure type definition
+ */
+typedef struct {
+    uint32_t Info;        /**< Receive Information Status */
+    uint32_t HashCRC;    /**< Receive Hash CRC Status */
+} RX_Stat;
+
+/**
+ * @brief TX Descriptor structure type definition
+ */
+typedef struct {
+    uint32_t Packet;    /**< Transmit Packet Descriptor */
+    uint32_t Ctrl;        /**< Transmit Control Descriptor */
+} TX_Desc;
+
+/**
+ * @brief TX Status structure type definition
+ */
+typedef struct {
+   uint32_t Info;        /**< Transmit Information Status */
+} TX_Stat;
+
+
+/**
+ * @brief TX Data Buffer structure definition
+ */
+typedef struct {
+    uint32_t ulDataLen;            /**< Data length */
+    uint32_t *pbDataBuf;        /**< A word-align data pointer to data buffer */
+} EMAC_PACKETBUF_Type;
+
+/**
+ * @brief EMAC configuration structure definition
+ */
+typedef struct {
+    uint32_t    Mode;                        /**< Supported EMAC PHY device speed, should be one of the following:
+                                            - EMAC_MODE_AUTO
+                                            - EMAC_MODE_10M_FULL
+                                            - EMAC_MODE_10M_HALF
+                                            - EMAC_MODE_100M_FULL
+                                            - EMAC_MODE_100M_HALF
+                                            */
+    uint8_t     *pbEMAC_Addr;                /**< Pointer to EMAC Station address that contains 6-bytes
+                                            of MAC address, it must be sorted in order (bEMAC_Addr[0]..[5])
+                                            */
+} EMAC_CFG_Type;
+
+/** Ethernet block power/clock control bit*/
+#define  CLKPWR_PCONP_PCENET    ((uint32_t)(1<<30))
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LPC17XX_EMAC_H_ */
+
+/**
+ * @}
+ */
+
+/* --------------------------------- End Of File ------------------------------ */
diff --git a/libraries/net/EthernetInterface/lwip-eth/arch/lpc_emac_config.h b/libraries/net/EthernetInterface/lwip-eth/arch/lpc_emac_config.h
new file mode 100644
index 0000000000..048f08b8a9
--- /dev/null
+++ b/libraries/net/EthernetInterface/lwip-eth/arch/lpc_emac_config.h
@@ -0,0 +1,111 @@
+/**********************************************************************
+* $Id$		lpc_emac_config.h			2011-11-20
+*//**
+* @file		lpc_emac_config.h
+* @brief	PHY and EMAC configuration file
+* @version	1.0
+* @date		20 Nov. 2011
+* @author	NXP MCU SW Application Team
+* 
+* Copyright(C) 2011, NXP Semiconductor
+* All rights reserved.
+*
+***********************************************************************
+* Software that is described herein is for illustrative purposes only
+* which provides customers with programming information regarding the
+* products. This software is supplied "AS IS" without any warranties.
+* NXP Semiconductors assumes no responsibility or liability for the
+* use of the software, conveys no license or title under any patent,
+* copyright, or mask work right to the product. NXP Semiconductors
+* reserves the right to make changes in the software without
+* notification. NXP Semiconductors also make no representation or
+* warranty that such application will be suitable for the specified
+* use without further testing or modification.
+**********************************************************************/
+
+#ifndef __LPC_EMAC_CONFIG_H
+#define __LPC_EMAC_CONFIG_H
+
+#include "lwip/opt.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/** @defgroup lwip_phy_config	LWIP PHY configuration
+ * @ingroup lwip_phy
+ *
+ * Configuration options for the PHY connected to the LPC EMAC.
+ * @{
+ */
+
+/** \brief  The PHY address connected the to MII/RMII
+ */
+#define LPC_PHYDEF_PHYADDR 1    /**< The PHY address on the PHY device. */
+
+/** \brief  Enable autonegotiation mode.
+ *          If this is enabled, the PHY will attempt to auto-negotiate the
+ *          best link mode if the PHY supports it. If this is not enabled,
+ *          the PHY_USE_FULL_DUPLEX and PHY_USE_100MBS defines will be
+ *          used to select the link mode. Note that auto-negotiation may
+ *          take a few seconds to complete.
+ */
+#define PHY_USE_AUTONEG 1 /**< Enables auto-negotiation mode. */
+
+/** \brief  Sets up the PHY interface to either full duplex operation or
+ *          half duplex operation if PHY_USE_AUTONEG is not enabled.
+ */
+#define PHY_USE_FULL_DUPLEX 1 /**< Sets duplex mode to full. */
+
+/** \brief  Sets up the PHY interface to either 100MBS operation or 10MBS
+ *          operation if PHY_USE_AUTONEG is not enabled.
+ */
+#define PHY_USE_100MBS 1 /**< Sets data rate to 100Mbps. */
+
+/**		  
+ * @}
+ */
+
+/** @defgroup lwip_emac_config	LWIP EMAC configuration
+ * @ingroup lwip_emac
+ *
+ * Configuration options for the LPC EMAC.
+ * @{
+ */
+
+/** \brief  Selects RMII or MII connection type in the EMAC peripheral
+ */
+#define LPC_EMAC_RMII 1         /**< Use the RMII or MII driver variant .*/
+
+/** \brief  Defines the number of descriptors used for RX. This
+ *          must be a minimum value of 2.
+ */
+#define LPC_NUM_BUFF_RXDESCS 3
+
+/** \brief  Defines the number of descriptors used for TX. Must
+ *          be a minimum value of 2.
+ */
+#define LPC_NUM_BUFF_TXDESCS 3
+
+/** \brief  Set this define to 1 to enable bounce buffers for transmit pbufs
+ *          that cannot be sent via the zero-copy method. Some chained pbufs
+ *          may have a payload address that links to an area of memory that
+ *          cannot be used for transmit DMA operations. If this define is
+ *          set to 1, an extra check will be made with the pbufs. If a buffer
+ *          is determined to be non-usable for zero-copy, a temporary bounce
+ *          buffer will be created and used instead.
+ */
+#define LPC_TX_PBUF_BOUNCE_EN 1
+
+/**		  
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LPC_EMAC_CONFIG_H */
+
+/* --------------------------------- End Of File ------------------------------ */
diff --git a/libraries/net/EthernetInterface/lwip-eth/arch/lpc_phy.h b/libraries/net/EthernetInterface/lwip-eth/arch/lpc_phy.h
new file mode 100644
index 0000000000..fa53656a77
--- /dev/null
+++ b/libraries/net/EthernetInterface/lwip-eth/arch/lpc_phy.h
@@ -0,0 +1,151 @@
+/**********************************************************************
+* $Id$		lpc_phy.h			2011-11-20
+*//**
+* @file		lpc_phy.h
+* @brief	Common PHY definitions used with all PHYs
+* @version	1.0
+* @date		20 Nov. 2011
+* @author	NXP MCU SW Application Team
+* 
+* Copyright(C) 2011, NXP Semiconductor
+* All rights reserved.
+*
+***********************************************************************
+* Software that is described herein is for illustrative purposes only
+* which provides customers with programming information regarding the
+* products. This software is supplied "AS IS" without any warranties.
+* NXP Semiconductors assumes no responsibility or liability for the
+* use of the software, conveys no license or title under any patent,
+* copyright, or mask work right to the product. NXP Semiconductors
+* reserves the right to make changes in the software without
+* notification. NXP Semiconductors also make no representation or
+* warranty that such application will be suitable for the specified
+* use without further testing or modification.
+**********************************************************************/
+
+#ifndef __LPC_PHY_H_
+#define __LPC_PHY_H_
+
+#include "lwip/opt.h"
+#include "lwip/err.h"
+#include "lwip/netif.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/* These PHY functions are usually part of the EMAC driver */
+
+/** \brief  Phy status update state machine
+ *
+ *  This function provides a state machine for maintaining the PHY
+ *  status without blocking. It must be occasionally called for the
+ *  PHY status to be maintained.
+ *
+ *  \param[in]     netif   NETIF structure
+ */
+s32_t lpc_phy_sts_sm(struct netif *netif);
+
+/** \brief  Initialize the PHY
+ *
+ *  This function initializes the PHY. It will block until complete.
+ *  This function is called as part of the EMAC driver
+ *  initialization. Configuration of the PHY at startup is
+ *  controlled by setting up configuration defines in lpc_phy.h.
+ *
+ *  \param[in]     netif   NETIF structure
+ *  \param[in]     rmii    If set, configures the PHY for RMII mode
+ *  \return         ERR_OK if the setup was successful, otherwise ERR_TIMEOUT
+ */
+err_t lpc_phy_init(struct netif *netif, int rmii);
+
+/** \brief  Write a value via the MII link (non-blocking)
+ *
+ *  This function will write a value on the MII link interface to a PHY
+ *  or a connected device. The function will return immediately without
+ *  a status. Status needs to be polled later to determine if the write
+ *  was successful.
+ *
+ *  \param[in]      PhyReg  PHY register to write to
+ *  \param[in]      Value   Value to write
+ */
+void lpc_mii_write_noblock(u32_t PhyReg, u32_t Value);
+
+/** \brief  Write a value via the MII link (blocking)
+ *
+ *  This function will write a value on the MII link interface to a PHY
+ *  or a connected device. The function will block until complete.
+ *
+ *  \param[in]      PhyReg  PHY register to write to
+ *  \param[in]      Value   Value to write
+ * \returns         0 if the write was successful, otherwise !0
+ */
+err_t lpc_mii_write(u32_t PhyReg, u32_t Value);
+
+/** \brief  Reads current MII link busy status
+ *
+ *  This function will return the current MII link busy status and is meant to
+ *  be used with non-blocking functions for monitor PHY status such as
+ *  connection state.
+ *
+ *  \returns         !0 if the MII link is busy, otherwise 0
+ */
+u32_t lpc_mii_is_busy(void);
+
+/** \brief  Starts a read operation via the MII link (non-blocking)
+ *
+ *  This function returns the current value in the MII data register. It is
+ *  meant to be used with the non-blocking oeprations. This value should
+ *  only be read after a non-block read command has been issued and the
+ *  MII status has been determined to be good.
+ *
+ *  \returns          The current value in the MII value register
+ */
+u32_t lpc_mii_read_data(void);
+
+/** \brief  Starts a read operation via the MII link (non-blocking)
+ *
+ *  This function will start a read operation on the MII link interface
+ *  from a PHY or a connected device. The function will not block and
+ *  the status mist be polled until complete. Once complete, the data
+ *  can be read.
+ *
+ *  \param[in]      PhyReg  PHY register to read from
+ */
+err_t lpc_mii_read(u32_t PhyReg, u32_t *data);
+
+/** \brief  Read a value via the MII link (blocking)
+ *
+ *  This function will read a value on the MII link interface from a PHY
+ *  or a connected device. The function will block until complete.
+ * 
+ *  \param[in]      PhyReg  PHY register to read from
+ *  \param[in]      data    Pointer to where to save data read via MII
+ *  \returns         0 if the read was successful, otherwise !0
+ */
+void lpc_mii_read_noblock(u32_t PhyReg);
+
+/**
+ * This function provides a method for the PHY to setup the EMAC
+ * for the PHY negotiated duplex mode.
+ *
+ * @param[in] full_duplex 0 = half duplex, 1 = full duplex
+ */
+void lpc_emac_set_duplex(int full_duplex);
+
+/**
+ * This function provides a method for the PHY to setup the EMAC
+ * for the PHY negotiated bit rate.
+ *
+ * @param[in] mbs_100     0 = 10mbs mode, 1 = 100mbs mode
+ */
+void lpc_emac_set_speed(int mbs_100);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LPC_PHY_H_ */
+
+/* --------------------------------- End Of File ------------------------------ */
diff --git a/libraries/net/EthernetInterface/lwip-eth/arch/lpc_phy_dp83848.c b/libraries/net/EthernetInterface/lwip-eth/arch/lpc_phy_dp83848.c
new file mode 100644
index 0000000000..e5291bbe71
--- /dev/null
+++ b/libraries/net/EthernetInterface/lwip-eth/arch/lpc_phy_dp83848.c
@@ -0,0 +1,286 @@
+/**********************************************************************
+* $Id$		lpc_phy_dp83848.c			2011-11-20
+*//**
+* @file		lpc_phy_dp83848.c
+* @brief	DP83848C PHY status and control.
+* @version	1.0
+* @date		20 Nov. 2011
+* @author	NXP MCU SW Application Team
+*
+* Copyright(C) 2011, NXP Semiconductor
+* All rights reserved.
+*
+***********************************************************************
+* Software that is described herein is for illustrative purposes only
+* which provides customers with programming information regarding the
+* products. This software is supplied "AS IS" without any warranties.
+* NXP Semiconductors assumes no responsibility or liability for the
+* use of the software, conveys no license or title under any patent,
+* copyright, or mask work right to the product. NXP Semiconductors
+* reserves the right to make changes in the software without
+* notification. NXP Semiconductors also make no representation or
+* warranty that such application will be suitable for the specified
+* use without further testing or modification.
+**********************************************************************/
+
+#include "lwip/opt.h"
+#include "lwip/err.h"
+#include "lwip/tcpip.h"
+#include "lwip/snmp.h"
+#include "lpc_emac_config.h"
+#include "lpc_phy.h"
+
+/** @defgroup dp83848_phy	PHY status and control for the DP83848.
+ * @ingroup lwip_phy
+ *
+ * Various functions for controlling and monitoring the status of the
+ * DP83848 PHY. In polled (standalone) systems, the PHY state must be
+ * monitored as part of the application. In a threaded (RTOS) system,
+ * the PHY state is monitored by the PHY handler thread. The MAC
+ * driver will not transmit unless the PHY link is active.
+ * @{
+ */
+
+/** \brief  DP83848 PHY register offsets */
+#define DP8_BMCR_REG        0x0  /**< Basic Mode Control Register */
+#define DP8_BMSR_REG        0x1  /**< Basic Mode Status Reg */
+#define DP8_ANADV_REG       0x4  /**< Auto_Neg Advt Reg  */
+#define DP8_ANLPA_REG       0x5  /**< Auto_neg Link Partner Ability Reg */
+#define DP8_ANEEXP_REG      0x6  /**< Auto-neg Expansion Reg  */
+#define DP8_PHY_STAT_REG    0x10 /**< PHY Status Register  */
+#define DP8_PHY_INT_CTL_REG 0x11 /**< PHY Interrupt Control Register */
+#define DP8_PHY_RBR_REG     0x17 /**< PHY RMII and Bypass Register  */
+#define DP8_PHY_STS_REG     0x19 /**< PHY Status Register  */
+
+/** \brief DP83848 Control register definitions */
+#define DP8_RESET          (1 << 15)  /**< 1= S/W Reset */
+#define DP8_LOOPBACK       (1 << 14)  /**< 1=loopback Enabled */
+#define DP8_SPEED_SELECT   (1 << 13)  /**< 1=Select 100MBps */
+#define DP8_AUTONEG        (1 << 12)  /**< 1=Enable auto-negotiation */
+#define DP8_POWER_DOWN     (1 << 11)  /**< 1=Power down PHY */
+#define DP8_ISOLATE        (1 << 10)  /**< 1=Isolate PHY */
+#define DP8_RESTART_AUTONEG (1 << 9)  /**< 1=Restart auto-negoatiation */
+#define DP8_DUPLEX_MODE    (1 << 8)   /**< 1=Full duplex mode */
+#define DP8_COLLISION_TEST (1 << 7)   /**< 1=Perform collsion test */
+
+/** \brief DP83848 Status register definitions */
+#define DP8_100BASE_T4     (1 << 15)  /**< T4 mode */
+#define DP8_100BASE_TX_FD  (1 << 14)  /**< 100MBps full duplex */
+#define DP8_100BASE_TX_HD  (1 << 13)  /**< 100MBps half duplex */
+#define DP8_10BASE_T_FD    (1 << 12)  /**< 100Bps full duplex */
+#define DP8_10BASE_T_HD    (1 << 11)  /**< 10MBps half duplex */
+#define DP8_MF_PREAMB_SUPPR (1 << 6)  /**< Preamble suppress */
+#define DP8_AUTONEG_COMP   (1 << 5)   /**< Auto-negotation complete */
+#define DP8_RMT_FAULT      (1 << 4)   /**< Fault */
+#define DP8_AUTONEG_ABILITY (1 << 3)  /**< Auto-negotation supported */
+#define DP8_LINK_STATUS    (1 << 2)   /**< 1=Link active */
+#define DP8_JABBER_DETECT  (1 << 1)   /**< Jabber detect */
+#define DP8_EXTEND_CAPAB   (1 << 0)   /**< Supports extended capabilities */
+
+/** \brief DP83848 PHY RBR MII dode definitions */
+#define DP8_RBR_RMII_MODE  (1 << 5)   /**< Use RMII mode */
+
+/** \brief DP83848 PHY status definitions */
+#define DP8_REMOTEFAULT    (1 << 6)   /**< Remote fault */
+#define DP8_FULLDUPLEX     (1 << 2)   /**< 1=full duplex */
+#define DP8_SPEED10MBPS    (1 << 1)   /**< 1=10MBps speed */
+#define DP8_VALID_LINK     (1 << 0)   /**< 1=Link active */
+
+/** \brief DP83848 PHY ID register definitions */
+#define DP8_PHYID1_OUI     0x2000     /**< Expected PHY ID1 */
+#define DP8_PHYID2_OUI     0x5c90     /**< Expected PHY ID2 */
+
+/** \brief PHY status structure used to indicate current status of PHY.
+ */
+typedef struct {
+	u32_t     phy_speed_100mbs:1; /**< 10/100 MBS connection speed flag. */
+	u32_t     phy_full_duplex:1;  /**< Half/full duplex connection speed flag. */
+	u32_t     phy_link_active:1;  /**< Phy link active flag. */
+} PHY_STATUS_TYPE;
+
+/** \brief  PHY update flags */
+static PHY_STATUS_TYPE physts;
+
+/** \brief  Last PHY update flags, used for determing if something has changed */
+static PHY_STATUS_TYPE olddphysts;
+
+/** \brief  PHY update counter for state machine */
+static s32_t phyustate;
+
+/** \brief  Update PHY status from passed value
+ *
+ *  This function updates the current PHY status based on the
+ *  passed PHY status word. The PHY status indicate if the link
+ *  is active, the connection speed, and duplex.
+ *
+ *  \param[in]    netif   NETIF structure
+ *  \param[in]    linksts Status word from PHY
+ *  \return        1 if the status has changed, otherwise 0
+ */
+static s32_t lpc_update_phy_sts(struct netif *netif, u32_t linksts)
+{
+	s32_t changed = 0;
+
+	/* Update link active status */
+	if (linksts & DP8_VALID_LINK)
+		physts.phy_link_active = 1;
+	else
+		physts.phy_link_active = 0;
+
+	/* Full or half duplex */
+	if (linksts & DP8_FULLDUPLEX)
+		physts.phy_full_duplex = 1;
+	else
+		physts.phy_full_duplex = 0;
+
+	/* Configure 100MBit/10MBit mode. */
+	if (linksts & DP8_SPEED10MBPS)
+		physts.phy_speed_100mbs = 0;
+	else
+		physts.phy_speed_100mbs = 1;
+
+	if (physts.phy_speed_100mbs != olddphysts.phy_speed_100mbs) {
+		changed = 1;
+		if (physts.phy_speed_100mbs) {
+			/* 100MBit mode. */
+			lpc_emac_set_speed(1);
+
+			NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 100000000);
+		}
+		else {
+			/* 10MBit mode. */
+			lpc_emac_set_speed(0);
+
+			NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 10000000);
+		}
+
+		olddphysts.phy_speed_100mbs = physts.phy_speed_100mbs;
+	}
+
+	if (physts.phy_full_duplex != olddphysts.phy_full_duplex) {
+		changed = 1;
+		if (physts.phy_full_duplex)
+			lpc_emac_set_duplex(1);
+		else
+			lpc_emac_set_duplex(0);
+
+		olddphysts.phy_full_duplex = physts.phy_full_duplex;
+	}
+
+	if (physts.phy_link_active != olddphysts.phy_link_active) {
+		changed = 1;
+#if NO_SYS == 1
+		if (physts.phy_link_active)
+			netif_set_link_up(netif);
+		else
+			netif_set_link_down(netif);
+#else
+        if (physts.phy_link_active)
+            tcpip_callback_with_block((tcpip_callback_fn) netif_set_link_up,
+                (void*) netif, 1);
+         else
+            tcpip_callback_with_block((tcpip_callback_fn) netif_set_link_down,
+                (void*) netif, 1);
+#endif
+
+		olddphysts.phy_link_active = physts.phy_link_active;
+	}
+
+	return changed;
+}
+
+/** \brief  Initialize the DP83848 PHY.
+ *
+ *  This function initializes the DP83848 PHY. It will block until
+ *  complete. This function is called as part of the EMAC driver
+ *  initialization. Configuration of the PHY at startup is
+ *  controlled by setting up configuration defines in lpc_phy.h.
+ *
+ *  \param[in]     netif   NETIF structure
+ *  \param[in]     rmii    If set, configures the PHY for RMII mode
+ *  \return         ERR_OK if the setup was successful, otherwise ERR_TIMEOUT
+ */
+err_t lpc_phy_init(struct netif *netif, int rmii)
+{
+	u32_t tmp;
+	s32_t i;
+
+	physts.phy_speed_100mbs = olddphysts.phy_speed_100mbs = 2;
+	physts.phy_full_duplex = olddphysts.phy_full_duplex = 2;
+	physts.phy_link_active = olddphysts.phy_link_active = 2;
+	phyustate = 0;
+
+	/* Only first read and write are checked for failure */
+	/* Put the DP83848C in reset mode and wait for completion */
+	if (lpc_mii_write(DP8_BMCR_REG, DP8_RESET) != 0)
+		return ERR_TIMEOUT;
+	i = 400;
+	while (i > 0) {
+	    osDelay(1);   /* 1 ms */
+		if (lpc_mii_read(DP8_BMCR_REG, &tmp) != 0)
+			return ERR_TIMEOUT;
+
+		if (!(tmp & (DP8_RESET | DP8_POWER_DOWN)))
+			i = -1;
+		else
+			i--;
+	}
+	/* Timeout? */
+	if (i == 0)
+		return ERR_TIMEOUT;
+
+	/* Setup link based on configuration options */
+#if PHY_USE_AUTONEG==1
+	tmp = DP8_AUTONEG;
+#else
+	tmp = 0;
+#endif
+#if PHY_USE_100MBS==1
+	tmp |= DP8_SPEED_SELECT;
+#endif
+#if PHY_USE_FULL_DUPLEX==1
+	tmp |= DP8_DUPLEX_MODE;
+#endif
+	lpc_mii_write(DP8_BMCR_REG, tmp);
+
+    /* Enable RMII mode for PHY */
+    if (rmii)
+        lpc_mii_write(DP8_PHY_RBR_REG, DP8_RBR_RMII_MODE);
+
+	/* The link is not set active at this point, but will be detected
+       later */
+
+	return ERR_OK;
+}
+
+/* Phy status update state machine */
+s32_t lpc_phy_sts_sm(struct netif *netif)
+{
+	s32_t changed = 0;
+
+	switch (phyustate) {
+		default:
+		case 0:
+			/* Read BMSR to clear faults */
+			lpc_mii_read_noblock(DP8_PHY_STAT_REG);
+			phyustate = 1;
+			break;
+
+		case 1:
+			/* Wait for read status state */
+			if (!lpc_mii_is_busy()) {
+				/* Update PHY status */
+				changed = lpc_update_phy_sts(netif, lpc_mii_read_data());
+				phyustate = 0;
+			}
+			break;
+	}
+
+	return changed;
+}
+
+/**
+ * @}
+ */
+
+/* --------------------------------- End Of File ------------------------------ */
diff --git a/libraries/net/EthernetInterface/lwipopts_conf.h b/libraries/net/EthernetInterface/lwipopts_conf.h
new file mode 100644
index 0000000000..bfbb1d8235
--- /dev/null
+++ b/libraries/net/EthernetInterface/lwipopts_conf.h
@@ -0,0 +1,24 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef LWIPOPTS_CONF_H
+#define LWIPOPTS_CONF_H
+
+#define LWIP_TRANSPORT_ETHERNET      1
+
+#endif
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/IUSBHostSerial.h b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/IUSBHostSerial.h
new file mode 100644
index 0000000000..d52df46ec2
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/IUSBHostSerial.h
@@ -0,0 +1,85 @@
+/* IUSBHostSerial.h */
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef IUSBHOSTSERIAL_H_
+#define IUSBHOSTSERIAL_H_
+
+/**
+ * Generic interface to abstract 3G dongles' impl
+ */
+
+#include "IUSBHostSerialListener.h"
+
+class IUSBHostSerial {
+public:
+
+    enum IrqType {
+        RxIrq,
+        TxIrq
+    };
+
+    /*
+    * Get a char from the dongle's serial interface
+    */
+    virtual int getc() = 0;
+
+    /*
+    * Put a char to the dongle's serial interface
+    */
+    virtual int putc(int c) = 0;
+
+    /*
+     *  Read a packet from the dongle's serial interface, to be called after multiple getc() calls
+     */
+    virtual int readPacket() = 0;
+
+    /*
+     *  Write a packet to the dongle's serial interface, to be called after multiple putc() calls
+     */
+    virtual int writePacket() = 0;
+
+    /**
+    * Check the number of bytes available.
+    *
+    * @returns the number of bytes available
+    */
+    virtual int readable() = 0;
+
+    /**
+    * Check the free space in output.
+    *
+    * @returns the number of bytes available
+    */
+    virtual int writeable() = 0;
+
+    /**
+     *  Attach a handler to call when a packet is received / when a packet has been transmitted.
+     *
+     *  @param pListener instance of the listener deriving from the IUSBHostSerialListener
+     */
+    virtual void attach(IUSBHostSerialListener* pListener) = 0;
+
+    /**
+     * Enable or disable readable/writeable callbacks
+     */
+    virtual void setupIrq(bool en, IrqType irq = RxIrq) = 0;
+
+};
+
+#endif /* IUSBHOSTSERIAL_H_ */
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/IUSBHostSerialListener.h b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/IUSBHostSerialListener.h
new file mode 100644
index 0000000000..c3f11de84e
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/IUSBHostSerialListener.h
@@ -0,0 +1,32 @@
+/* IUSBHostSerialListener.h */
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+
+#ifndef IUSBHOSTSERIALLISTENER_H_
+#define IUSBHOSTSERIALLISTENER_H_
+
+class IUSBHostSerialListener
+{
+public:
+  virtual void readable() = 0; //Called when new data is available
+  virtual void writeable() = 0; //Called when new space is available
+};
+
+
+#endif /* IUSBHOSTSERIALLISTENER_H_ */
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongle.cpp b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongle.cpp
new file mode 100644
index 0000000000..bd28eb0855
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongle.cpp
@@ -0,0 +1,230 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#define __DEBUG__ 0
+#ifndef __MODULE__
+#define __MODULE__ "WANDongle.cpp"
+#endif
+
+#include "core/dbg.h"
+#include 
+#include "rtos.h"
+
+#include "WANDongle.h"
+#include "WANDongleInitializer.h"
+
+WANDongle::WANDongle() : m_pInitializer(NULL), m_serialCount(0)
+{
+    host = USBHost::getHostInst();
+    init();
+}
+
+
+bool WANDongle::connected() {
+  return dev_connected;
+}
+
+bool WANDongle::tryConnect()
+{
+  //FIXME should run on USB thread
+
+  DBG("Trying to connect device");
+
+  if (dev_connected) {
+      return true;
+  }
+  
+  m_pInitializer = NULL;
+
+  host->lock();
+
+  for (int i = 0; i < MAX_DEVICE_NB; i++)
+  {
+      if ((dev = host->getDevice(i)) != NULL)
+      {
+          m_pInitializer = NULL; //Will be set in setVidPid callback
+      
+          DBG("Found one device reset it");
+          int ret = host->resetDevice(dev);
+          if(ret)
+          {
+            host->unlock();
+            return false;
+          }
+
+          DBG("Enumerate");
+          ret = host->enumerate(dev, this);
+          if(ret)
+          {
+            host->unlock();
+            return false;
+          }
+          
+          DBG("Device has VID:%04x PID:%04x", dev->getVid(), dev->getPid());
+                   
+          if(m_pInitializer) //If an initializer has been found
+          {
+            DBG("m_pInitializer=%p", m_pInitializer);
+            DBG("m_pInitializer->getSerialVid()=%04x", m_pInitializer->getSerialVid());
+            DBG("m_pInitializer->getSerialPid()=%04x", m_pInitializer->getSerialPid());
+            if ((dev->getVid() == m_pInitializer->getSerialVid()) && (dev->getPid() == m_pInitializer->getSerialPid()))
+            {
+              DBG("The dongle is in virtual serial mode");
+              host->registerDriver(dev, 0, this, &WANDongle::init);
+              m_serialCount = m_pInitializer->getSerialPortCount();
+              if( m_serialCount > WANDONGLE_MAX_SERIAL_PORTS )
+              {
+                m_serialCount = WANDONGLE_MAX_SERIAL_PORTS;
+              }
+              for(int j = 0; j < m_serialCount; j++)
+              {
+                DBG("Connecting serial port #%d", j+1);
+                DBG("Ep %p", m_pInitializer->getEp(dev, j, false));
+                DBG("Ep %p", m_pInitializer->getEp(dev, j, true));
+                m_serial[j].connect( dev, m_pInitializer->getEp(dev, j, false), m_pInitializer->getEp(dev, j, true) );
+              }
+              
+              DBG("Device connected");
+              
+              dev_connected = true;
+              host->unlock();
+              
+              
+              return true;
+            }
+            else if ((dev->getVid() == m_pInitializer->getMSDVid()) && (dev->getPid() == m_pInitializer->getMSDPid()))
+            {
+              DBG("Vodafone K3370 dongle detected in MSD mode");
+              //Try to switch   
+              if( m_pInitializer->switchMode(dev) )
+              {
+                DBG("Switched OK");
+                host->unlock();
+                return false; //Will be connected on a next iteration
+              }
+              else
+              {
+                ERR("Could not switch mode");
+                host->unlock();
+                return false;
+              }
+            }
+          } //if()
+      } //if()
+  } //for()
+  host->unlock();
+  return false;
+}
+
+bool WANDongle::disconnect()
+{
+  dev_connected = false;
+  for(int i = 0; i < WANDONGLE_MAX_SERIAL_PORTS; i++)
+  {
+    m_serial[i].disconnect();
+  }
+  return true;
+}
+
+WAN_DONGLE_TYPE WANDongle::getDongleType()
+{
+  if( m_pInitializer != NULL )
+  {
+    return m_pInitializer->getType();
+  }
+  else
+  {
+    return WAN_DONGLE_TYPE_UNKNOWN;
+  }
+}
+
+IUSBHostSerial& WANDongle::getSerial(int index)
+{
+  return m_serial[index];
+}
+
+int WANDongle::getSerialCount()
+{
+  return m_serialCount;
+}
+
+//Private methods
+void WANDongle::init()
+{
+  m_pInitializer = NULL;
+  dev_connected = false;
+  for(int i = 0; i < WANDONGLE_MAX_SERIAL_PORTS; i++)
+  {
+    m_serial[i].init(host);
+  }
+}
+
+
+/*virtual*/ void WANDongle::setVidPid(uint16_t vid, uint16_t pid)
+{
+    //Load right initializer
+  WANDongleInitializer** initializer = WANDongleInitializer::getInitializers(host);
+  
+  while(*initializer)
+  {
+    DBG("*initializer=%p", *initializer);
+    DBG("(*initializer)->getSerialVid()=%04x", (*initializer)->getSerialVid());
+    DBG("(*initializer)->getSerialPid()=%04x", (*initializer)->getSerialPid());
+    if ((dev->getVid() == (*initializer)->getSerialVid()) && (dev->getPid() == (*initializer)->getSerialPid()))
+    {
+      DBG("The dongle is in virtual serial mode");
+      m_pInitializer = *initializer;
+      break;
+    }
+    else if ((dev->getVid() == (*initializer)->getMSDVid()) && (dev->getPid() == (*initializer)->getMSDPid()))
+    {
+      DBG("Vodafone K3370 dongle detected in MSD mode");
+      m_pInitializer = *initializer;
+      break;
+    }
+    initializer++;
+  } //while()
+  if(m_pInitializer)
+  {
+    m_pInitializer->setVidPid(vid, pid);
+  }
+}
+
+/*virtual*/ bool WANDongle::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
+{
+  if(m_pInitializer)
+  {
+    return m_pInitializer->parseInterface(intf_nb, intf_class, intf_subclass, intf_protocol);
+  }
+  else
+  {
+    return false;
+  }
+}
+
+/*virtual*/ bool WANDongle::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
+{
+  if(m_pInitializer)
+  {
+    return m_pInitializer->useEndpoint(intf_nb, type, dir);
+  }
+  else
+  {
+    return false;
+  }
+}
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongle.h b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongle.h
new file mode 100644
index 0000000000..24b9808863
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongle.h
@@ -0,0 +1,95 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef WANDONGLE_H
+#define WANDONGLE_H
+
+#include "USBHost.h"
+#include "IUSBHostSerial.h"
+
+#include "rtos.h"
+
+#include "WANDongleSerialPort.h"
+#include "WANDongleInitializer.h"
+#include "IUSBEnumerator.h"
+
+#define WANDONGLE_MAX_OUTEP_SIZE 64
+#define WANDONGLE_MAX_INEP_SIZE 64
+
+#define WANDONGLE_MAX_SERIAL_PORTS 2
+
+/** A class to use a WAN (3G/LTE) access dongle
+ *
+ */
+class WANDongle : public IUSBEnumerator {
+public:
+    /*
+    * Constructor
+    *
+    * @param rootdir mount name
+    */
+    WANDongle();
+
+    /*
+    * Check if a serial port device is connected
+    *
+    * @return true if a serial device is connected
+    */
+    bool connected();
+    
+    /*
+     * Try to connect device
+     *
+     * * @return true if connection was successful
+     */
+    bool tryConnect();
+    
+    /*
+     * Disconnect device
+     *
+     * * @return true if disconnection was successful
+     */
+    bool disconnect();
+       
+    WAN_DONGLE_TYPE getDongleType();
+    
+    IUSBHostSerial& getSerial(int index);
+    int getSerialCount();
+    
+    //From IUSBEnumerator
+    
+    virtual void setVidPid(uint16_t vid, uint16_t pid);
+    
+    virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed
+    
+    virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
+    
+protected:
+    USBHost * host;
+    USBDeviceConnected * dev;
+    bool dev_connected;
+    
+    WANDongleInitializer* m_pInitializer;
+
+    void init();
+    
+    WANDongleSerialPort m_serial[WANDONGLE_MAX_SERIAL_PORTS];
+    int m_serialCount;
+};
+
+#endif
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongleInitializer.cpp b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongleInitializer.cpp
new file mode 100644
index 0000000000..ba647dc30e
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongleInitializer.cpp
@@ -0,0 +1,265 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#define __DEBUG__ 0
+#ifndef __MODULE__
+#define __MODULE__ "WANDongleInitializer.cpp"
+#endif
+
+#include "core/dbg.h"
+
+#include 
+using std::uint16_t;
+
+#include "WANDongleInitializer.h"
+
+WANDongleInitializer::WANDongleInitializer(USBHost* pHost) : m_pHost(pHost)
+{
+
+}
+
+WANDongleInitializer** WANDongleInitializer::getInitializers(USBHost* pHost)
+{
+  static VodafoneK3770Initializer vodafoneK3770(pHost);
+  static VodafoneK3772ZInitializer vodafoneK3772Z(pHost);
+  const static WANDongleInitializer* list[] = { &vodafoneK3770, &vodafoneK3772Z, NULL };
+  return (WANDongleInitializer**)list;
+}
+
+//Huawei K3770 (Vodafone)
+// Switching from mass storage device string is: "55 53 42 43 12 34 56 78 00 00 00 00 00 00 00 11 06 20 00 00 01 00 00 00 00 00 00 00 00 00 00"
+static uint8_t vodafone_k3770_switch_packet[] = {
+    0x55, 0x53, 0x42, 0x43, 0x12, 0x34, 0x56, 0x78, 0, 0, 0, 0, 0, 0, 0, 0x11, 0x06, 0x20, 0, 0, 0x01, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+VodafoneK3770Initializer::VodafoneK3770Initializer(USBHost* pHost) : WANDongleInitializer(pHost)
+{
+  
+}
+
+uint16_t VodafoneK3770Initializer::getMSDVid()      { return 0x12D1; }
+uint16_t VodafoneK3770Initializer::getMSDPid()      { return 0x14D1; }
+
+uint16_t VodafoneK3770Initializer::getSerialVid()   { return 0x12D1; }
+uint16_t VodafoneK3770Initializer::getSerialPid()   { return 0x14C9; }
+
+bool VodafoneK3770Initializer::switchMode(USBDeviceConnected* pDev)
+{
+  for (int i = 0; i < pDev->getNbInterface(); i++) 
+  {
+    if (pDev->getInterface(i)->intf_class == MSD_CLASS)
+    {
+      USBEndpoint* pEp = pDev->getEndpoint(i, BULK_ENDPOINT, OUT);
+      if ( pEp != NULL ) 
+      {
+        DBG("MSD descriptor found on device %p, intf %d, will now try to switch into serial mode", (void *)pDev, i);
+        m_pHost->bulkWrite(pDev, pEp, vodafone_k3770_switch_packet, 31);
+        return true;
+      }
+    }  
+  }
+  return false;
+}
+
+USBEndpoint* VodafoneK3770Initializer::getEp(USBDeviceConnected* pDev, int serialPortNumber, bool tx)
+{
+  return pDev->getEndpoint(serialPortNumber, BULK_ENDPOINT, tx?OUT:IN, 0);
+}
+
+int VodafoneK3770Initializer::getSerialPortCount()
+{
+  return 2;
+}
+
+/*virtual*/ void VodafoneK3770Initializer::setVidPid(uint16_t vid, uint16_t pid)
+{
+    if( (vid == getSerialVid() ) && ( pid == getSerialPid() ) )
+    {
+      m_hasSwitched = true;
+      m_currentSerialIntf = 0;
+      m_endpointsToFetch = 4;
+    }
+    else
+    {
+      m_hasSwitched = false;
+      m_endpointsToFetch = 1;
+    }
+}
+
+/*virtual*/ bool VodafoneK3770Initializer::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
+{
+  if( m_hasSwitched )
+  {
+    if( intf_class == 0xFF )
+    {
+      if( (m_currentSerialIntf == 0) || (m_currentSerialIntf == 4) )
+      {
+        m_currentSerialIntf++;
+        return true;
+      }
+      m_currentSerialIntf++;
+    }
+  }
+  else
+  {
+    if( (intf_nb == 0) && (intf_class == MSD_CLASS) )
+    {
+      return true;
+    }
+  }
+  return false;
+}
+
+/*virtual*/ bool VodafoneK3770Initializer::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
+{
+  if( m_hasSwitched )
+  {
+    if( (type == BULK_ENDPOINT) && m_endpointsToFetch )
+    {
+      m_endpointsToFetch--;
+      return true;
+    }
+  }
+  else
+  {
+    if( (type == BULK_ENDPOINT) && (dir == OUT) && m_endpointsToFetch )
+    {
+      m_endpointsToFetch--;
+      return true;
+    }
+  }
+  return false;
+}
+
+/*virtual*/ WAN_DONGLE_TYPE VodafoneK3770Initializer::getType()
+{
+  return WAN_DONGLE_TYPE_VODAFONEK3770;
+}
+
+// NVIDIA (ICERA) /ZTE K3772-Z (Vodafone)
+// Switching from mass storage device string is: "55 53 42 43 12 34 56 78 00 00 00 00 00 00 06 1b 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00"
+static uint8_t vodafone_k3772_z_switch_packet[] = {
+    0x55, 0x53, 0x42, 0x43, 0x12, 0x34, 0x56, 0x78, 0, 0, 0, 0, 0, 0, 0x06, 0x1b, 0, 0, 0, 0x02, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+VodafoneK3772ZInitializer::VodafoneK3772ZInitializer(USBHost* pHost) : WANDongleInitializer(pHost)
+{
+  
+}
+
+uint16_t VodafoneK3772ZInitializer::getMSDVid()      { return 0x19D2; }
+uint16_t VodafoneK3772ZInitializer::getMSDPid()      { return 0x1179; }
+
+uint16_t VodafoneK3772ZInitializer::getSerialVid()   { return 0x19D2; }
+uint16_t VodafoneK3772ZInitializer::getSerialPid()   { return 0x1181; }
+
+bool VodafoneK3772ZInitializer::switchMode(USBDeviceConnected* pDev)
+{
+  for (int i = 0; i < pDev->getNbInterface(); i++) 
+  {
+    if (pDev->getInterface(i)->intf_class == MSD_CLASS)
+    {
+      USBEndpoint* pEp = pDev->getEndpoint(i, BULK_ENDPOINT, OUT);
+      if ( pEp != NULL ) 
+      {
+        DBG("MSD descriptor found on device %p, intf %d, will now try to switch into serial mode", (void *)pDev, i);
+        m_pHost->bulkWrite(pDev, pEp, vodafone_k3772_z_switch_packet, 31);
+        return true;
+      }
+    }  
+  }
+  return false;
+}
+
+USBEndpoint* VodafoneK3772ZInitializer::getEp(USBDeviceConnected* pDev, int serialPortNumber, bool tx)
+{
+  return pDev->getEndpoint((serialPortNumber==1)?0:1, BULK_ENDPOINT, tx?OUT:IN, 0);
+}
+
+int VodafoneK3772ZInitializer::getSerialPortCount()
+{
+  return 2;
+}
+
+/*virtual*/ void VodafoneK3772ZInitializer::setVidPid(uint16_t vid, uint16_t pid)
+{
+    if( (vid == getSerialVid() ) && ( pid == getSerialPid() ) )
+    {
+      m_hasSwitched = true;
+      m_currentSerialIntf = 0;
+      m_endpointsToFetch = 4;
+    }
+    else
+    {
+      m_hasSwitched = false;
+      m_endpointsToFetch = 1;
+    }
+}
+
+/*virtual*/ bool VodafoneK3772ZInitializer::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
+{
+  if( m_hasSwitched )
+  {
+    DBG("Interface #%d; Class:%02x; SubClass:%02x; Protocol:%02x", intf_nb, intf_class, intf_subclass, intf_protocol);
+    if( intf_class == 0x0A )
+    {
+      if( (m_currentSerialIntf == 0) || (m_currentSerialIntf == 1) )
+      {
+        m_currentSerialIntf++;
+        return true;
+      }
+      m_currentSerialIntf++;
+    }
+  }
+  else
+  {
+    if( (intf_nb == 0) && (intf_class == MSD_CLASS) )
+    {
+      return true;
+    }
+  }
+  return false;
+}
+
+/*virtual*/ bool VodafoneK3772ZInitializer::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
+{
+  if( m_hasSwitched )
+  {
+    DBG("USBEndpoint on Inteface #%d; Type:%d; Direction:%d", intf_nb, type, dir);
+    if( (type == BULK_ENDPOINT) && m_endpointsToFetch )
+    {
+      m_endpointsToFetch--;
+      return true;
+    }
+  }
+  else
+  {
+    if( (type == BULK_ENDPOINT) && (dir == OUT) && m_endpointsToFetch )
+    {
+      m_endpointsToFetch--;
+      return true;
+    }
+  }
+  return false;
+}
+
+
+/*virtual*/ WAN_DONGLE_TYPE VodafoneK3772ZInitializer::getType()
+{
+  return WAN_DONGLE_TYPE_VODAFONEK3772Z;
+}
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongleInitializer.h b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongleInitializer.h
new file mode 100644
index 0000000000..4120bc8baf
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongleInitializer.h
@@ -0,0 +1,130 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef WANDONGLEINITIALIZER_H
+#define WANDONGLEINITIALIZER_H
+
+#include 
+using std::uint16_t;
+using std::uint32_t;
+
+#include "USBHost.h"
+#include "IUSBEnumerator.h"
+
+enum WAN_DONGLE_TYPE
+{
+  WAN_DONGLE_TYPE_UNKNOWN = -1,
+  WAN_DONGLE_TYPE_VODAFONEK3770 = 0,
+  WAN_DONGLE_TYPE_VODAFONEK3772Z = 1,
+};
+
+class WANDongleInitializer : public IUSBEnumerator
+{
+protected:
+    WANDongleInitializer(USBHost* pHost);
+    USBHost* m_pHost;
+    
+public:
+    virtual uint16_t getMSDVid() = 0;
+    virtual uint16_t getMSDPid() = 0;
+    
+    virtual uint16_t getSerialVid() = 0;
+    virtual uint16_t getSerialPid() = 0;
+    
+    virtual bool switchMode(USBDeviceConnected* pDev) = 0;
+    
+    virtual USBEndpoint* getEp(USBDeviceConnected* pDev, int serialPortNumber, bool tx) = 0;
+    
+    virtual int getSerialPortCount() = 0;
+    
+    virtual void setVidPid(uint16_t vid, uint16_t pid) = 0;
+    
+    virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) = 0; //Must return true if the interface should be parsed
+    
+    virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) = 0; //Must return true if the endpoint will be used
+    
+    virtual WAN_DONGLE_TYPE getType() = 0;
+    
+    static WANDongleInitializer** getInitializers(USBHost* pHost);
+};
+
+class VodafoneK3770Initializer : public WANDongleInitializer
+{
+public:
+    VodafoneK3770Initializer(USBHost* pHost);
+    
+    virtual uint16_t getMSDVid();
+    virtual uint16_t getMSDPid();
+    
+    virtual uint16_t getSerialVid();
+    virtual uint16_t getSerialPid();
+    
+    virtual bool switchMode(USBDeviceConnected* pDev);
+    
+    virtual USBEndpoint* getEp(USBDeviceConnected* pDev, int serialPortNumber, bool tx);
+    
+    virtual int getSerialPortCount();
+    
+    virtual void setVidPid(uint16_t vid, uint16_t pid);
+    
+    virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed
+    
+    virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
+    
+    virtual WAN_DONGLE_TYPE getType();
+    
+private:
+
+  bool m_hasSwitched;
+  int m_currentSerialIntf;
+  int m_endpointsToFetch;
+};
+
+class VodafoneK3772ZInitializer : public WANDongleInitializer
+{
+public:
+    VodafoneK3772ZInitializer(USBHost* pHost);
+    
+    virtual uint16_t getMSDVid();
+    virtual uint16_t getMSDPid();
+    
+    virtual uint16_t getSerialVid();
+    virtual uint16_t getSerialPid();
+    
+    virtual bool switchMode(USBDeviceConnected* pDev);
+    
+    virtual USBEndpoint* getEp(USBDeviceConnected* pDev, int serialPortNumber, bool tx);
+    
+    virtual int getSerialPortCount();
+    
+    virtual void setVidPid(uint16_t vid, uint16_t pid);
+    
+    virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed
+    
+    virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
+    
+    virtual WAN_DONGLE_TYPE getType();
+    
+private:
+
+  bool m_hasSwitched;
+  int m_currentSerialIntf;
+  int m_endpointsToFetch;
+};
+
+#endif
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongleSerialPort.cpp b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongleSerialPort.cpp
new file mode 100644
index 0000000000..b2ec1cc63c
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongleSerialPort.cpp
@@ -0,0 +1,340 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#define __DEBUG__ 0
+#ifndef __MODULE__
+#define __MODULE__ "WANDongleSerialPort.cpp"
+#endif
+
+#include "core/dbg.h"
+#include 
+#include "rtos.h"
+
+#include "WANDongleSerialPort.h"
+
+WANDongleSerialPort::WANDongleSerialPort() : cb_tx_en(false), cb_rx_en(false), listener(NULL)
+{
+  reset();
+}
+
+void WANDongleSerialPort::init(USBHost* pHost)
+{
+  host = pHost;
+}
+
+void WANDongleSerialPort::reset()
+{
+  tx_mtx.lock();
+  rx_mtx.lock();
+
+  bulk_in = NULL;
+  bulk_out = NULL;
+
+  buf_out_len = 0;
+  max_out_size = 0;
+  lock_tx = false;
+  cb_tx_pending = false;
+
+  buf_in_len = 0;
+  buf_in_read_pos = 0;
+  lock_rx = false;
+  cb_rx_pending = false;
+  
+  tx_mtx.unlock();
+  rx_mtx.unlock();
+}
+
+int WANDongleSerialPort::readPacket()
+{
+  DBG("Read packet on %p", this);
+  rx_mtx.lock();
+  if(lock_rx)
+  {
+    ERR("Fail");
+    rx_mtx.unlock();
+    return -1;
+  }
+  
+  if( bulk_in == NULL )
+  {
+    WARN("Port is disconnected");
+    rx_mtx.unlock();
+    return -1;
+  }
+
+  lock_rx = true; //Receiving
+  rx_mtx.unlock();
+//  DBG("readPacket");
+  //lock_rx.lock();
+  host->lock();
+  USB_TYPE res = host->bulkRead(dev, (USBEndpoint *)bulk_in, buf_in, ((USBEndpoint *)bulk_in)->getSize(), false); //Queue transfer
+  if(res != USB_TYPE_PROCESSING)
+  {
+    host->unlock();
+    //lock_rx.unlock();
+    ERR("host->bulkRead() returned %d", res);
+    Thread::wait(100);
+    return -1;
+  }
+  host->unlock();
+  return 0;
+}
+
+int WANDongleSerialPort::writePacket()
+{
+  tx_mtx.lock();
+  if(lock_tx)
+  {
+    ERR("Fail");
+    tx_mtx.unlock();
+    return -1;
+  }
+  
+  if( bulk_out == NULL )
+  {
+    WARN("Port is disconnected");
+    tx_mtx.unlock();
+    return -1;
+  }
+
+  lock_tx = true; //Transmitting
+  tx_mtx.unlock();
+//  DBG("writePacket");
+
+  //lock_tx.lock();
+  host->lock();
+  USB_TYPE res = host->bulkWrite(dev, (USBEndpoint *)bulk_out, buf_out, buf_out_len, false); //Queue transfer
+  if(res != USB_TYPE_PROCESSING)
+  {
+    host->unlock();
+    //lock_tx.unlock();
+    ERR("host->bulkWrite() returned %d", res);
+    Thread::wait(100);
+    return -1;
+  }
+  host->unlock();
+  return 0;
+}
+
+int WANDongleSerialPort::putc(int c)
+{
+  tx_mtx.lock();
+  if(!lock_tx)
+  {
+    if(buf_out_len < max_out_size)
+    {
+      buf_out[buf_out_len] = (uint8_t)c;
+      buf_out_len++;
+    }
+  }
+  else
+  {
+    ERR("CAN'T WRITE!");
+  }
+  tx_mtx.unlock();
+  return c;
+}
+
+int WANDongleSerialPort::getc()
+{
+  rx_mtx.lock();
+  int c = 0;
+  if(!lock_rx)
+  {
+    if(buf_in_read_pos < buf_in_len)
+    {
+      c = (int)buf_in[buf_in_read_pos];
+      buf_in_read_pos++;
+    }
+  }
+  else
+  {
+    ERR("CAN'T READ!");
+  }
+  rx_mtx.unlock();
+  return c;
+}
+
+int WANDongleSerialPort::readable()
+{
+  rx_mtx.lock();
+  if (lock_rx)
+  {
+    rx_mtx.unlock();
+    return 0;
+  }
+
+ /* if( !lock_rx.trylock() )
+  {
+    return 0;
+  }*/
+  int res = buf_in_len - buf_in_read_pos;
+  //lock_rx.unlock();
+  rx_mtx.unlock();
+  return res;
+}
+
+int WANDongleSerialPort::writeable()
+{
+  tx_mtx.lock();
+  if (lock_tx)
+  {
+    tx_mtx.unlock();
+    return 0;
+  }
+
+  /*if( !lock_tx.trylock() )
+  {
+    return 0;
+  }*/
+  int res = max_out_size - buf_out_len;
+  tx_mtx.unlock();
+ //lock_tx.unlock();
+  return res;
+}
+
+void WANDongleSerialPort::attach(IUSBHostSerialListener* pListener)
+{
+  if(pListener == NULL)
+  {
+    setupIrq(false, RxIrq);
+    setupIrq(false, TxIrq);
+  }
+  listener = pListener;
+  if(pListener != NULL)
+  {
+    setupIrq(true, RxIrq);
+    setupIrq(true, TxIrq);
+  }
+}
+
+void WANDongleSerialPort::setupIrq(bool en, IrqType irq /*= RxIrq*/)
+{
+  switch(irq)
+  {
+  case RxIrq:
+    rx_mtx.lock();
+    cb_rx_en = en;
+    if(en && cb_rx_pending)
+    {
+      cb_rx_pending = false;
+      rx_mtx.unlock();
+      listener->readable(); //Process the interrupt that was raised
+    }
+    else
+    {
+      rx_mtx.unlock();
+    }
+    break;
+  case TxIrq:
+    tx_mtx.lock();
+    cb_tx_en = en;
+    if(en && cb_tx_pending)
+    {
+      cb_tx_pending = false;
+      tx_mtx.unlock();
+      listener->writeable(); //Process the interrupt that was raised
+    }
+    else
+    {
+      tx_mtx.unlock();
+    }
+    break;
+  }
+}
+
+
+void WANDongleSerialPort::connect( USBDeviceConnected* pDev, USBEndpoint* pInEp, USBEndpoint* pOutEp )
+{
+  dev = pDev;
+  bulk_in = pInEp;
+  bulk_out = pOutEp;
+  max_out_size = bulk_out->getSize();
+  if( max_out_size > WANDONGLE_MAX_OUTEP_SIZE )
+  {
+    max_out_size = WANDONGLE_MAX_OUTEP_SIZE;
+  }
+  bulk_in->attach(this, &WANDongleSerialPort::rxHandler);
+  bulk_out->attach(this, &WANDongleSerialPort::txHandler);
+  readPacket(); //Start receiving data
+}
+
+void WANDongleSerialPort::disconnect( )
+{
+    reset();
+}
+
+//Private methods
+
+
+void WANDongleSerialPort::rxHandler()
+{
+  if (((USBEndpoint *) bulk_in)->getState() == USB_TYPE_IDLE) //Success
+  {
+    buf_in_read_pos = 0;
+    buf_in_len = ((USBEndpoint *) bulk_in)->getLengthTransferred(); //Update length
+    //lock_rx.unlock();
+    rx_mtx.lock();
+    lock_rx = false; //Transmission complete
+    if(cb_rx_en)
+    {
+      rx_mtx.unlock();
+      listener->readable(); //Call handler from the IRQ context
+      //readPacket() should be called by the handler subsequently once the buffer has been emptied
+    }
+    else
+    {
+      cb_rx_pending = true; //Queue the callback
+      rx_mtx.unlock();
+    }
+
+  }
+  else //Error, try reading again
+  {
+    //lock_rx.unlock();
+    DBG("Trying again");
+    readPacket();
+  }
+}
+
+void WANDongleSerialPort::txHandler()
+{
+  if (((USBEndpoint *) bulk_out)->getState() == USB_TYPE_IDLE) //Success
+  {
+    tx_mtx.lock();
+    buf_out_len = 0; //Reset length
+    lock_tx = false; //Transmission complete
+    //lock_tx.unlock();
+    if(cb_tx_en)
+    {
+      tx_mtx.unlock();
+      listener->writeable(); //Call handler from the IRQ context
+      //writePacket() should be called by the handler subsequently once the buffer has been filled
+    }
+    else
+    {
+      cb_tx_pending = true; //Queue the callback
+      tx_mtx.unlock();
+    }
+  }
+  else //Error, try reading again
+  {
+    //lock_tx.unlock();
+    writePacket();
+  }
+}
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongleSerialPort.h b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongleSerialPort.h
new file mode 100644
index 0000000000..7dee8cc003
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USB3GModule/WANDongleSerialPort.h
@@ -0,0 +1,126 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef WANDONGLESERIALPORT_H
+#define WANDONGLESERIALPORT_H
+
+#include "USBHost.h"
+#include "IUSBHostSerial.h"
+
+#include "rtos.h"
+
+
+#define WANDONGLE_MAX_OUTEP_SIZE 64
+#define WANDONGLE_MAX_INEP_SIZE 64
+
+/** A class to use a WAN (3G/LTE) access dongle
+ *
+ */
+class WANDongleSerialPort : public IUSBHostSerial {
+public:
+    /*
+    * Constructor
+    *
+    */
+    WANDongleSerialPort();
+    
+    void init( USBHost* pHost );
+    
+    void connect( USBDeviceConnected* pDev, USBEndpoint* pInEp, USBEndpoint* pOutEp );
+    
+    void disconnect( );
+
+    /*
+    * Get a char from the dongle's serial interface
+    */
+    virtual int getc();
+
+    /*
+    * Put a char to the dongle's serial interface
+    */
+    virtual int putc(int c);
+
+    /*
+     *  Read a packet from the dongle's serial interface, to be called after multiple getc() calls
+     */
+    virtual int readPacket();
+
+    /*
+     *  Write a packet to the dongle's serial interface, to be called after multiple putc() calls
+     */
+    virtual int writePacket();
+
+    /**
+    * Check the number of bytes available.
+    *
+    * @returns the number of bytes available
+    */
+    virtual int readable();
+
+    /**
+    * Check the free space in output.
+    *
+    * @returns the number of bytes available
+    */
+    virtual int writeable();
+
+    /**
+     *  Attach a handler to call when a packet is received / when a packet has been transmitted.
+     *
+     *  @param pListener instance of the listener deriving from the IUSBHostSerialListener
+     */
+    virtual void attach(IUSBHostSerialListener* pListener);
+    
+    /**
+     * Enable or disable readable/writeable callbacks
+     */
+    virtual void setupIrq(bool en, IrqType irq = RxIrq);
+
+    
+protected:
+    USBEndpoint * bulk_in;
+    USBEndpoint * bulk_out;
+    USBHost * host;
+    USBDeviceConnected * dev;
+
+    uint8_t buf_out[WANDONGLE_MAX_OUTEP_SIZE];
+    volatile uint32_t buf_out_len;
+    uint32_t max_out_size;
+    volatile bool lock_tx;
+    volatile bool cb_tx_en;
+    volatile bool cb_tx_pending;
+    Mutex tx_mtx;
+
+    uint8_t buf_in[WANDONGLE_MAX_INEP_SIZE];
+    volatile uint32_t buf_in_len;
+    volatile uint32_t buf_in_read_pos;
+    volatile bool lock_rx;
+    volatile bool cb_rx_en;
+    volatile bool cb_rx_pending;
+    Mutex rx_mtx;
+    
+    IUSBHostSerialListener* listener;
+    
+    void reset();
+    
+    void rxHandler();
+    void txHandler();
+
+};
+
+#endif
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/IUSBEnumerator.h b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/IUSBEnumerator.h
new file mode 100644
index 0000000000..65c9e8be15
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/IUSBEnumerator.h
@@ -0,0 +1,41 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef IUSBENUMERATOR_H_
+#define IUSBENUMERATOR_H_
+
+#include "stdint.h"
+
+#include "USBEndpoint.h"
+
+/*
+Generic interface to implement for "smart" USB enumeration
+*/
+
+class IUSBEnumerator {
+public:
+
+    virtual void setVidPid(uint16_t vid, uint16_t pid) = 0;
+    
+    virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) = 0; //Must return true if the interface should be parsed
+    
+    virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) = 0; //Must return true if the endpoint will be used
+
+};
+
+#endif /*IUSBENUMERATOR_H_*/
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBDeviceConnected.cpp b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBDeviceConnected.cpp
new file mode 100644
index 0000000000..d7551c264d
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBDeviceConnected.cpp
@@ -0,0 +1,122 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "USBDeviceConnected.h"
+
+USBDeviceConnected::USBDeviceConnected() {
+    init();
+}
+
+void USBDeviceConnected::init() {
+    hub = 0;
+    port = 0;
+    vid = 0;
+    pid = 0;
+    nb_interf = 0;
+    enumerated = false;
+    activeAddr = false;
+    sizeControlEndpoint = 8;
+    device_class = 0;
+    device_subclass = 0;
+    proto = 0;
+    speed = false;
+    for (int i = 0; i < MAX_INTF; i++) {
+        memset((void *)&intf[i], 0, sizeof(INTERFACE));
+        intf[i].in_use = false;
+        for (int j = 0; j < MAX_ENDPOINT_PER_INTERFACE; j++) {
+            intf[i].ep[j] = NULL;
+        }
+    }
+}
+
+INTERFACE * USBDeviceConnected::getInterface(uint8_t index) {
+    if (index >= MAX_INTF) {
+        return NULL;
+    }
+    return &intf[index];
+}
+
+bool USBDeviceConnected::addInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) {
+    if ((intf_nb >= MAX_INTF) || (intf[intf_nb].in_use)) {
+        return false;
+    }
+    intf[intf_nb].in_use = true;
+    intf[intf_nb].intf_class = intf_class;
+    intf[intf_nb].intf_subclass = intf_subclass;
+    intf[intf_nb].intf_protocol = intf_protocol;
+    intf[intf_nb].nb_endpoint = 0;
+    nb_interf++;
+    return true;
+}
+
+bool USBDeviceConnected::addEndpoint(uint8_t intf_nb, USBEndpoint * ept) {
+    if ((intf_nb >= MAX_INTF) || (intf[intf_nb].in_use == false) || (intf[intf_nb].nb_endpoint >= MAX_ENDPOINT_PER_INTERFACE)) {
+        return false;
+    }
+    intf[intf_nb].nb_endpoint++;
+
+    for (int i = 0; i < MAX_ENDPOINT_PER_INTERFACE; i++) {
+        if (intf[intf_nb].ep[i] == NULL) {
+            intf[intf_nb].ep[i] = ept;
+            return true;
+        }
+    }
+    return false;
+}
+
+void USBDeviceConnected::init(uint8_t hub, uint8_t port, bool lowSpeed) {
+    init();
+    this->hub = hub;
+    this->port = port;
+    this->speed = lowSpeed;
+}
+
+void USBDeviceConnected::disconnect() {
+    for(int i = 0; i < nb_interf; i++) {
+        intf[i].detach.call();
+    }
+    init();
+}
+
+
+
+USBEndpoint * USBDeviceConnected::getEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint8_t index) {
+    if (intf_nb >= MAX_INTF) {
+        return NULL;
+    }
+    for (int i = 0; i < MAX_ENDPOINT_PER_INTERFACE; i++) {
+        if ((intf[intf_nb].ep[i]->getType() == type) && (intf[intf_nb].ep[i]->getDir() == dir)) {
+            if(index)
+            {
+              index--;
+            }
+            else
+            {
+              return intf[intf_nb].ep[i];
+            }
+        }
+    }
+    return NULL;
+}
+
+USBEndpoint * USBDeviceConnected::getEndpoint(uint8_t intf_nb, uint8_t index) {
+    if ((intf_nb >= MAX_INTF) || (index >= MAX_ENDPOINT_PER_INTERFACE)) {
+        return NULL;
+    }
+    return intf[intf_nb].ep[index];
+}
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBDeviceConnected.h b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBDeviceConnected.h
new file mode 100644
index 0000000000..86a333e1e3
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBDeviceConnected.h
@@ -0,0 +1,205 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USBDEVICECONNECTED_H
+#define USBDEVICECONNECTED_H
+
+#include "stdint.h"
+#include "USBEndpoint.h"
+
+#define MAX_ENDPOINT_PER_INTERFACE  2
+#define MAX_INTF                    2
+
+typedef struct {
+    bool in_use;
+    uint8_t nb_endpoint;
+    uint8_t intf_class;
+    uint8_t intf_subclass;
+    uint8_t intf_protocol;
+    USBEndpoint * ep[MAX_ENDPOINT_PER_INTERFACE];
+    FunctionPointer detach;
+}INTERFACE;
+
+
+class USBDeviceConnected {
+public:
+
+    /*
+    * Constructor
+    */
+    USBDeviceConnected();
+
+    /*
+    * Attach an USBEndpoint to this device
+    *
+    * @param ep pointeur on the USBEndpoint which will be attached
+    * @returns true if successful, false otherwise
+    */
+    bool addEndpoint(uint8_t intf_nb, USBEndpoint * ep);
+
+    /*
+    * Retrieve an USBEndpoint by its TYPE and DIRECTION
+    *
+    * @param intf_nb the interface on which to lookup the USBEndpoint
+    * @param type type of the USBEndpoint looked for
+    * @param direction of the USBEndpoint looked for
+    * @param index the index of the USBEndpoint whitin the interface
+    * @returns pointer on the USBEndpoint if found, NULL otherwise
+    */
+    USBEndpoint * getEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint8_t index = 0);
+    
+    /*
+    * Retrieve an USBEndpoint by its index
+    *
+    * @param index index of the USBEndpoint
+    * @returns pointer on the USBEndpoint if found, NULL otherwise
+    */
+    USBEndpoint * getEndpoint(uint8_t intf_nb, uint8_t index);
+    
+    bool addInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol);
+    
+    uint8_t getNbInterface() {return nb_interf;};
+    
+    INTERFACE * getInterface(uint8_t index);
+
+    /**
+     *  Attach a member function to call when a the device has been disconnected
+     *
+     *  @param tptr pointer to the object to call the member function on
+     *  @param mptr pointer to the member function to be called
+     */
+    template
+    void onDisconnect(uint8_t intf_nb, T* tptr, void (T::*mptr)(void)) {
+        if ((mptr != NULL) && (tptr != NULL)) {
+            intf[intf_nb].detach.attach(tptr, mptr);
+        }
+    }
+
+    /**
+     * Attach a callback called when the device has been disconnected
+     *
+     * @param fptr function pointer
+     */
+    void onDisconnect(uint8_t intf_nb, void (*fn)(void)) {
+        if (fn != NULL) {
+            intf[intf_nb].detach.attach(fn);
+        }
+    }
+
+    /*
+    * Disconnect the device by calling a callback function registered by a driver
+    */
+    void disconnect();
+
+    /*
+    * Setters
+    */
+    void init(uint8_t hub, uint8_t port, bool lowSpeed);
+    void setAddress(uint8_t addr) {
+        this->addr = addr;
+    };
+    void setVid(uint16_t vid) {
+        this->vid = vid;
+    };
+    void setPid(uint16_t pid) {
+        this->pid = pid;
+    };
+    void setClass(uint8_t device_class) {
+        this->device_class = device_class;
+    };
+    void setSubClass(uint8_t device_subclass) {
+        this->device_subclass = device_subclass;
+    };
+    void setProtocol(uint8_t pr) {
+        proto = pr;
+    };
+    void setSizeControlEndpoint(uint32_t size) {
+        sizeControlEndpoint = size;
+    };
+    void activeAddress() {
+        activeAddr = true;
+    };
+    void setEnumerated() {
+        enumerated = true;
+    };
+
+    /*
+    * Getters
+    */
+    uint8_t     getPort() {
+        return port;
+    };
+    uint8_t     getHub() {
+        return hub;
+    };
+    uint8_t     getAddress() {
+        return addr;
+    };
+    uint16_t    getVid() {
+        return vid;
+    };
+    uint16_t    getPid() {
+        return pid;
+    };
+    uint8_t     getClass() {
+        return device_class;
+    };
+    uint8_t     getSubClass() {
+        return device_subclass;
+    };
+    uint8_t     getProtocol() {
+        return proto;
+    };
+    bool        getSpeed() {
+        return speed;
+    };
+    uint32_t    getSizeControlEndpoint() {
+        return sizeControlEndpoint;
+    };
+    bool        isActiveAddress() {
+        return activeAddr;
+    };
+    bool        isEnumerated() {
+        return enumerated;
+    };
+
+
+private:
+    INTERFACE intf[MAX_INTF];
+    //USBEndpoint * ep[MAX_ENDPOINT_PER_DEVICE];
+    uint32_t sizeControlEndpoint;
+    uint8_t hub;
+    uint8_t port;
+    uint16_t vid;
+    uint16_t pid;
+    uint8_t addr;
+    uint8_t device_class;
+    uint8_t device_subclass;
+    uint8_t proto;
+    bool speed;
+    bool activeAddr;
+    bool enumerated;
+    
+    uint8_t nb_interf;
+
+    
+    void init();
+
+};
+
+#endif
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBEndpoint.cpp b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBEndpoint.cpp
new file mode 100644
index 0000000000..c4860d45ec
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBEndpoint.cpp
@@ -0,0 +1,233 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+
+#define __DEBUG__ 0 //Maximum verbosity
+#ifndef __MODULE__
+#define __MODULE__ "USBEndpoint.cpp"
+#endif
+
+#include "core/dbg.h"
+#include 
+
+#include "USBEndpoint.h"
+
+
+void USBEndpoint::init(HCED * hced, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint32_t size, uint8_t ep_number, HCTD* td_list[2]) {
+    this->hced = hced;
+    this->type = type;
+    this->dir = /*(type == CONTROL_ENDPOINT) ? OUT :*/ dir;
+    setup = (type == CONTROL_ENDPOINT) ? true : false;
+
+    //TDs have been allocated by the host
+    memcpy((HCTD**)this->td_list, td_list, sizeof(HCTD*)*2); //TODO: Maybe should add a param for td_list size... at least a define
+    memcpy(td_list[0], 0, sizeof(HCTD));
+    memcpy(td_list[1], 0, sizeof(HCTD));
+
+    this->hced->control = 0;
+    //Empty queue
+    this->hced->tailTD = (uint32_t)td_list[0];
+    this->hced->headTD = (uint32_t)td_list[0];
+    this->hced->nextED = 0;
+
+    this->hced->control = ((ep_number & 0x7F) << 7)                         // Endpoint address
+                          | (type != CONTROL_ENDPOINT ? ( dir << 11) : 0 )  // direction : Out = 1, 2 = In
+                          | ((size & 0x3ff) << 16);                         // MaxPkt Size
+                          
+    //carry = false;
+    transfer_len = 0;
+    transferred = 0;
+    buf_start = 0;
+    nextEp = NULL;
+
+    td_current = td_list[0];
+    td_next = td_list[1];
+
+    state = USB_TYPE_IDLE;
+}
+
+void USBEndpoint::setSize(uint32_t size) {
+    hced->control &= ~(0x3ff << 16);
+    hced->control |= (size << 16);
+}
+
+
+uint32_t USBEndpoint::getSize() {
+    return (hced->control >> 16) & 0x3ff;
+}
+
+void USBEndpoint::setDeviceAddress(uint8_t addr) {
+    hced->control &= ~(0x7f);
+    hced->control |= (addr & 0x7F);
+}
+
+uint8_t USBEndpoint::getDeviceAddress() {
+    return hced->control & 0x7f;
+}
+
+void USBEndpoint::setSpeed(uint8_t speed) {
+    if(speed) {
+        DBG("SET LOW SPEED");
+    }
+    hced->control &= ~(1 << 13);
+    hced->control |= (speed << 13);
+}
+
+
+void USBEndpoint::setNextToken(uint32_t token) { //Only for control Eps
+    switch (token) {
+        case TD_SETUP:
+            dir = OUT;
+            setup = true;
+            break;
+        case TD_IN:
+            dir = IN;
+            setup = false;
+            break;
+        case TD_OUT:
+            dir = OUT;
+            setup = false;
+            break;
+    }
+}
+
+volatile HCTD* USBEndpoint::getNextTD()
+{
+  return td_current/*(HCTD*) hced->tailTD*/; //It's the tailing one
+}
+
+void USBEndpoint::queueTransfer() {
+  //Try with OHCI impl
+  //Caller of getNextTD() has now populated the td
+  //So insert it into queue
+
+  //Find an OTHER free td
+  //TODO: if we had more than 2 tds, this would have to be changed
+  /*HCTD* toSendTD = (HCTD*) hced->tailTD;*/
+  //HCTD* freeTD;
+/*
+  if( hced->tailTD == td_list[0] )
+  {
+    freeTD = td_list[1];
+  }
+  else *//*if( hced->tailTD == (uint32_t) td_list[1] )*/
+  /*{
+    freeTD = td_list[0];
+  }
+  */
+
+  /*
+  freeTD->control = 0;
+  freeTD->currBufPtr = 0;
+  freeTD->bufEnd = 0;
+  freeTD->nextTD = 0;
+
+  td_current = toSendTD;
+*/
+  transfer_len = td_current->bufEnd - td_current->currBufPtr + 1;
+  transferred = transfer_len;
+  buf_start = td_current->currBufPtr;
+
+  //No add this free TD at this end of the queue
+  state = USB_TYPE_PROCESSING;
+  td_current->nextTD = (volatile uint32_t)td_next;
+  hced->tailTD = (volatile uint32_t)td_next;
+
+  #if 0
+    // if TD list empty -> we put the head of the list
+    if (!hced->headTD) {
+        state = USB_TYPE_IDLE;
+        hced->headTD = (uint32_t)(td);
+        hced->tailTD = (uint32_t)(td);
+        tailTD = (HCTD *) (hced->headTD);
+        //DBG("queue null transfer: endpoint: %p,  %08X\r\n", this, (uint32_t)(td));
+    } else {
+        state = USB_TYPE_PROCESSING;
+        td->nextTD = (uint32_t)headTD & ~(0x0f);
+        hced->headTD = (uint32_t)(td) | ((carry) ? 0x2 : 0);
+    }
+    headTD = (HCTD *) ((hced->headTD) & ~(0x3));
+    transfer_len = td->bufEnd - td->currBufPtr + 1;
+    transferred = transfer_len;
+    buf_start = td->currBufPtr;
+#endif
+    //printf("queue real transfer: endpoint: %p \t headTD: %p \t head: %08X \t tail: %08X \t td: %08X \t nexttd: %08X\r\n", this, hced->headTD, hced->headTD, ((HCTD *)((hced->headTD) & ~(0x0f)))->nextTD, toSendTD, toSendTD->nextTD);
+}
+
+volatile HCTD * USBEndpoint::getProcessedTD()
+{
+  return td_current;
+}
+
+void USBEndpoint::setLengthTransferred(int len) {
+    transferred = len;
+}
+
+uint32_t USBEndpoint::getBufStart() {
+    return buf_start;
+}
+
+void USBEndpoint::unqueueTransfer(volatile HCTD * td) {
+    //printf("unqueue transfer: %p on endpoint: %p\r\n", (void *)td, this);
+    //headTD = tailTD; //FIXME FIXME
+//  hced->headTD = hced->headTD | (td->  & 0x02);
+  if(td != td_current)
+  {
+    ERR("MISMATCH");
+    ERR("this=%p, td_current = %p, td_next=%p, td=%p", this, td_current, td_next, td);
+    error("");
+  }
+  td->control=0;
+  td->currBufPtr=0;
+  td->bufEnd=0;
+  td->nextTD=0;
+  hced->headTD = hced->tailTD | (hced->headTD & 0x2); //Carry bit
+  td_current = td_next;
+  td_next = td;
+  DBG("current:%p, next:%p", td_current, td_next);
+}
+
+ENDPOINT_TYPE USBEndpoint::getType() {
+    return type;
+}
+
+
+USBEndpoint * USBEndpoint::nextEndpoint() {
+    return (USBEndpoint*)nextEp;
+}
+
+
+void USBEndpoint::queueEndpoint(USBEndpoint * ed) {
+    nextEp = ed;
+    hced->nextED = (ed == NULL) ? 0 : (uint32_t)ed->getHCED();
+}
+
+volatile HCED * USBEndpoint::getHCED() {
+    return hced;
+}
+
+
+volatile HCTD * USBEndpoint::getHeadTD() {
+    //return headTD;
+  return (volatile HCTD*) (hced->headTD & ~0xF);
+}
+
+volatile HCTD ** USBEndpoint::getTDList()
+{
+  return td_list;
+}
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBEndpoint.h b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBEndpoint.h
new file mode 100644
index 0000000000..18a6028ddc
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBEndpoint.h
@@ -0,0 +1,189 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USBENDPOINT_H
+#define USBENDPOINT_H
+
+#include "stdint.h"
+#include "FunctionPointer.h"
+#include "USBHostTypes.h"
+
+
+enum ENDPOINT_TYPE {
+    CONTROL_ENDPOINT = 0,
+    ISOCHRONOUS_ENDPOINT,
+    BULK_ENDPOINT,
+    INTERRUPT_ENDPOINT
+};
+
+enum ENDPOINT_DIRECTION {
+    OUT = 1,
+    IN  
+};
+
+class USBEndpoint {
+public:
+    /*
+    * Constructor
+    */
+    USBEndpoint() {state = USB_TYPE_FREE; nextEp = NULL;};
+    
+    /*
+    * Initialize an endpoint
+    *
+    * @param hced hced associated to the endpoint
+    * @param type endpoint type
+    * @param dir endpoint direction
+    * @param size endpoint size
+    * @param ep_number endpoint number
+    */
+    void init(HCED * hced, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint32_t size, uint8_t ep_number, HCTD* td_list[2]);
+    
+    /*
+    * Set next token. Warining: only useful for the control endpoint
+    *
+    * @param token IN, OUT or SETUP token
+    */
+    void setNextToken(uint32_t token);
+    
+    /*
+    * Queue an endpoint
+    *
+    * endpoint endpoint which will be queued in the linked list
+    */
+    void queueEndpoint(USBEndpoint * endpoint);
+    
+    /*
+    * Get a td to be queued
+    *
+    * @returns td hctd which will be queued
+    */
+    volatile HCTD* getNextTD();
+
+    /*
+    * Queue a transfer on the endpoint
+    *
+    */
+    void queueTransfer();
+    
+    /*
+    * Get the currently processed td
+    *
+    * @returns td hctd that was queued
+    */
+    volatile HCTD * getProcessedTD();
+
+    /*
+    * Unqueue a transfer from the endpoint
+    *
+    * @param td hctd which will be unqueued
+    */
+    void unqueueTransfer(volatile HCTD * td);
+    
+    /*
+    * Return the next endpoint in the linked list
+    *
+    * @returns next endpoint
+    */
+    USBEndpoint * nextEndpoint();
+    
+    /**
+     *  Attach a member function to call when a transfer is finished
+     *
+     *  @param tptr pointer to the object to call the member function on
+     *  @param mptr pointer to the member function to be called
+     */
+    template
+    void attach(T* tptr, void (T::*mptr)(void)) {
+        if((mptr != NULL) && (tptr != NULL)) {
+            rx.attach(tptr, mptr);
+        }
+    }
+
+    /**
+     * Attach a callback called when a transfer is finished
+     *
+     * @param fptr function pointer
+     */
+    void attach(void (*fn)(void)) {
+        if(fn != NULL) {
+            rx.attach(fn);
+        }
+    }
+    
+    /*
+    * Call the handler associted to the end of a transfer
+    */
+    void call() {
+        rx.call();
+    };
+    
+    
+    /*
+    * Setters
+    */
+    void setState(USB_TYPE st) {state = st;}
+    void setDeviceAddress(uint8_t addr);
+    void setLengthTransferred(int len);
+    void setSpeed(uint8_t speed);
+    void setSize(uint32_t size);
+    void setDir(ENDPOINT_DIRECTION d) {dir = d;}
+    
+    /*
+    * Getters
+    */
+    USB_TYPE            getState() {return state;}
+    ENDPOINT_TYPE       getType();
+    uint8_t             getDeviceAddress();
+    int        getLengthTransferred() {return transferred;}
+    uint32_t   getBufStart();
+    uint32_t            getSize();
+    volatile HCTD *     getHeadTD();
+    volatile HCTD**     getTDList();
+    volatile HCED *     getHCED();
+    ENDPOINT_DIRECTION  getDir() {return dir;}
+    bool                isSetup() {return setup;}
+    
+    
+private:
+    ENDPOINT_TYPE type;
+    volatile USB_TYPE state;
+    ENDPOINT_DIRECTION dir;
+    bool setup;
+    
+    int transfer_len;
+    int transferred;
+    uint32_t buf_start;
+    
+    FunctionPointer rx;
+    
+    USBEndpoint* nextEp;
+    
+    // USBEndpoint descriptor
+    volatile HCED * hced;
+    
+    volatile HCTD * td_list[2];
+    volatile HCTD * td_current;
+    volatile HCTD * td_next;
+    /*bool carry;*/
+    
+    int count;
+    
+};
+
+#endif
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHALHost.cpp b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHALHost.cpp
new file mode 100644
index 0000000000..4d7a202456
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHALHost.cpp
@@ -0,0 +1,404 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#define __DEBUG__ 0 //WARN: ENABLING DEBUGGING HERE WILL PRINTF IN IRQS!! UNEXPECTED BEHAVIOUR MAY RESULT...
+#ifndef __MODULE__
+#define __MODULE__ "USBHALHost.cpp"
+#endif
+
+#include "core/dbg.h"
+#include 
+
+#include "mbed.h"
+#include "USBHALHost.h"
+
+// bits of the USB/OTG clock control register
+#define HOST_CLK_EN     (1<<0)
+#define DEV_CLK_EN      (1<<1)
+#define PORTSEL_CLK_EN  (1<<3)
+#define AHB_CLK_EN      (1<<4)
+
+// bits of the USB/OTG clock status register
+#define HOST_CLK_ON     (1<<0)
+#define DEV_CLK_ON      (1<<1)
+#define PORTSEL_CLK_ON  (1<<3)
+#define AHB_CLK_ON      (1<<4)
+
+// we need host clock, OTG/portsel clock and AHB clock
+#define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN)
+
+
+
+#define HCCA_SIZE 0x100
+#define ED_SIZE 0x10
+#define TD_SIZE 0x10
+
+#define TOTAL_SIZE (HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE) + (MAX_TD*TD_SIZE))
+
+static volatile uint8_t usb_buf[TOTAL_SIZE] __attribute((section("AHBSRAM1"),aligned(256)));  //256 bytes aligned!
+
+USBHALHost * USBHALHost::instHost;
+
+USBHALHost::USBHALHost() : thread(USBHALHost::staticCb, (void*)this, osPriorityNormal, 4*128) {
+    instHost = this;
+    memInit();
+    memset((void*)usb_hcca, 0, HCCA_SIZE);
+    for (int i = 0; i < MAX_ENDPOINT; i++) {
+        edBufAlloc[i] = false;
+    }
+    for (int i = 0; i < MAX_TD; i++) {
+        tdBufAlloc[i] = false;
+    }
+}
+
+
+void USBHALHost::init() {
+  thread.signal_set(USBHALHOST_SIG_INIT);
+}
+
+
+uint32_t USBHALHost::controlHeadED() {
+    return LPC_USB->HcControlHeadED;
+}
+
+uint32_t USBHALHost::bulkHeadED() {
+    return LPC_USB->HcBulkHeadED;
+}
+
+uint32_t USBHALHost::interruptHeadED() {
+    return usb_hcca->IntTable[0];
+}
+
+void USBHALHost::updateBulkHeadED(uint32_t addr) {
+    LPC_USB->HcBulkHeadED = addr;
+}
+
+
+void USBHALHost::updateControlHeadED(uint32_t addr) {
+    LPC_USB->HcControlHeadED = addr;
+}
+
+void USBHALHost::updateInterruptHeadED(uint32_t addr) {
+    usb_hcca->IntTable[0] = addr;
+}
+
+
+void USBHALHost::enableControlList() {
+    LPC_USB->HcCommandStatus = OR_CMD_STATUS_CLF;
+    LPC_USB->HcControl       |= OR_CONTROL_CLE; //Enable control list
+}
+
+void USBHALHost::enableBulkList() {
+    LPC_USB->HcCommandStatus = OR_CMD_STATUS_BLF;
+    LPC_USB->HcControl       |= OR_CONTROL_BLE; //Enable bulk list
+}
+
+void USBHALHost::enableInterruptList() {
+    LPC_USB->HcControl |= OR_CONTROL_PLE;
+}
+
+bool USBHALHost::disableControlList() {
+    if(LPC_USB->HcControl & OR_CONTROL_CLE)
+    {
+      LPC_USB->HcControl       &= ~OR_CONTROL_CLE; //Disable control list
+      return true;
+    }
+    else
+    {
+      return false;
+    }
+}
+
+bool USBHALHost::disableBulkList() {
+    if(LPC_USB->HcControl & OR_CONTROL_BLE)
+    {
+      LPC_USB->HcControl       &= ~OR_CONTROL_BLE; //Disable bulk list
+      return true;
+    }
+    else
+    {
+      return false;
+    }
+}
+
+bool USBHALHost::disableInterruptList() {
+    if(LPC_USB->HcControl & OR_CONTROL_PLE)
+    {
+      LPC_USB->HcControl       &= ~OR_CONTROL_PLE; //Disable interrupt list
+      return true;
+    }
+    else
+    {
+      return false;
+    }
+}
+
+//Lock processing
+void USBHALHost::lock()
+{
+  mtx.lock();
+}
+
+void USBHALHost::unlock()
+{
+  mtx.unlock();
+}
+
+void USBHALHost::memInit() {
+    usb_hcca = (volatile HCCA *)usb_buf;
+    usb_edBuf = usb_buf + HCCA_SIZE;
+    usb_tdBuf = usb_buf + HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE);
+}
+
+volatile uint8_t * USBHALHost::getED() {
+    for (int i = 0; i < MAX_ENDPOINT; i++) {
+        if ( !edBufAlloc[i] ) {
+            edBufAlloc[i] = true;
+            return (volatile uint8_t *)(usb_edBuf + i*ED_SIZE);
+        }
+    }
+    perror("Could not allocate ED\r\n");
+    return NULL; //Could not alloc ED
+}
+
+volatile uint8_t * USBHALHost::getTD() {
+    int i;
+    for (i = 0; i < MAX_TD; i++) {
+        if ( !tdBufAlloc[i] ) {
+            tdBufAlloc[i] = true;
+            return (volatile uint8_t *)(usb_tdBuf + i*TD_SIZE);
+        }
+    }
+    perror("Could not allocate TD\r\n");
+    return NULL; //Could not alloc TD
+}
+
+
+void USBHALHost::freeED(volatile uint8_t * ed) {
+    int i;
+    i = (ed - usb_edBuf) / ED_SIZE;
+    edBufAlloc[i] = false;
+}
+
+void USBHALHost::freeTD(volatile uint8_t * td) {
+    int i;
+    i = (td - usb_tdBuf) / TD_SIZE;
+    tdBufAlloc[i] = false;
+}
+
+
+void USBHALHost::resetPort(int hub, int port) {
+    DBG("Resetting hub %d, port %d\n", hub, port);
+    if (hub == 0) { //Root hub
+        // USB 2.0 spec says at least 50ms delay before port reset
+        Thread::wait(200);
+        LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRS; // Initiate port reset
+        while (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRS);
+        LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC; // ...and clear port reset signal
+        // Wait for 100 MS after port reset
+        Thread::wait(200);
+    } else {
+        //TODO: Hubs
+    }
+}
+
+
+void USBHALHost::_usbisr(void) {
+    if (instHost) {
+        instHost->UsbIrqhandler();
+    }
+}
+
+void USBHALHost::UsbIrqhandler() {
+  if( LPC_USB->HcInterruptStatus & LPC_USB->HcInterruptEnable ) //Is there something to actually process?
+  {
+    NVIC_DisableIRQ(USB_IRQn);
+    NVIC_ClearPendingIRQ(USB_IRQn);
+    thread.signal_set(USBHALHOST_SIG_IRQ); //Signal processing thread
+  }
+
+}
+
+void USBHALHost::process()
+{
+  DBG("USB Process started");
+
+  lock();
+  Thread::signal_wait(USBHALHOST_SIG_INIT);
+
+  NVIC_DisableIRQ(USB_IRQn);                           // Disable the USB interrupt source
+
+  LPC_SC->PCONP       &= ~(1UL<<31); //Cut power
+  Thread::wait(200);
+
+  // turn on power for USB
+  LPC_SC->PCONP       |= (1UL<<31);
+
+  // Enable USB host clock, port selection and AHB clock
+  LPC_USB->USBClkCtrl |= CLOCK_MASK;
+
+  // Wait for clocks to become available
+  while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK);
+
+  // it seems the bits[0:1] mean the following
+  // 0: U1=device, U2=host
+  // 1: U1=host, U2=host
+  // 2: reserved
+  // 3: U1=host, U2=device
+  // NB: this register is only available if OTG clock (aka "port select") is enabled!!
+  // since we don't care about port 2, set just bit 0 to 1 (U1=host)
+  LPC_USB->OTGStCtrl |= 1;
+
+  // now that we've configured the ports, we can turn off the portsel clock
+  LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN;
+
+  // configure USB D+/D- pins
+  // P0[29] = USB_D+, 01
+  // P0[30] = USB_D-, 01
+  LPC_PINCON->PINSEL1 &= ~((3<<26) | (3<<28));
+  LPC_PINCON->PINSEL1 |=  ((1<<26)|(1<<28));     // 0x14000000
+
+  LPC_USB->HcControl       = 0;                       // HARDWARE RESET
+  LPC_USB->HcControlHeadED = 0;                       // Initialize Control list head to Zero
+  LPC_USB->HcBulkHeadED    = 0;                       // Initialize Bulk list head to Zero
+
+  //wait_ms(100);                                   // Wait 50 ms before apply reset
+  Thread::wait(100);
+
+  // SOFTWARE RESET
+  LPC_USB->HcCommandStatus = OR_CMD_STATUS_HCR;
+  LPC_USB->HcFmInterval    = DEFAULT_FMINTERVAL;      // Write Fm Interval and Largest Data Packet Counter
+  LPC_USB->HcPeriodicStart = FI * 90 / 100;
+
+  // Put HC in operational state
+  LPC_USB->HcControl  = (LPC_USB->HcControl & (~OR_CONTROL_HCFS)) | OR_CONTROL_HC_OPER;
+  LPC_USB->HcRhStatus = OR_RH_STATUS_LPSC;            // Set Global Power
+
+  LPC_USB->HcHCCA = (uint32_t)(usb_hcca);
+  LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus;                   // Clear Interrrupt Status
+
+  LPC_USB->HcInterruptEnable  = OR_INTR_ENABLE_MIE | OR_INTR_ENABLE_WDH | OR_INTR_ENABLE_RHSC;
+
+  //DG: Do not set prio
+  //NVIC_SetPriority(USB_IRQn, 0);       // highest priority
+  // Enable the USB Interrupt
+  NVIC_SetVector(USB_IRQn, (uint32_t)(_usbisr));
+  LPC_USB->HcRhPortStatus1 = OR_RH_PORT_CSC;
+  LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC;
+
+  NVIC_EnableIRQ(USB_IRQn);
+
+
+  // Check for any connected devices
+  if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS) { //Root device connected
+      //Device connected
+      Thread::wait(500);
+      DBG("Device connected (%08x)\n\r", LPC_USB->HcRhPortStatus1);
+      deviceConnected(0, 1, LPC_USB->HcRhPortStatus1 & OR_RH_PORT_LSDA); //Hub 0 (root hub), Port 1 (count starts at 1), Low or High speed
+  }
+
+  unlock();
+
+
+  for(;;)
+  {
+    Thread::signal_wait(USBHALHOST_SIG_IRQ); //Wait for IRQ to process
+
+    lock();
+    DBG("Locked");
+
+    WARN("isr %08x [EN %08x]", LPC_USB->HcInterruptStatus, LPC_USB->HcInterruptEnable);
+
+    //Now process IRQ
+    uint32_t int_status = LPC_USB->HcInterruptStatus & LPC_USB->HcInterruptEnable;
+
+    if (int_status & OR_INTR_STATUS_RHSC)
+    { // Root hub status change interrupt
+      WARN("Port status %08x", LPC_USB->HcRhPortStatus1);
+      if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CSC)
+      {
+        if (LPC_USB->HcRhStatus & OR_RH_STATUS_DRWE)
+        {
+
+          // When DRWE is on, Connect Status Change
+          // means a remote wakeup event.
+
+        }
+        else
+        {
+
+          // When DRWE is off, Connect Status Change
+          // is NOT a remote wakeup event
+
+          if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS)
+          { //Root device connected
+            //Device connected
+            WARN("Device connected!!");
+           // Thread::wait(500);
+            deviceConnected(0, 1, LPC_USB->HcRhPortStatus1 & OR_RH_PORT_LSDA); //Hub 0 (root hub), Port 1 (count starts at 1), Low or High speed
+          }
+          else
+          { //Root device disconnected
+            //Device disconnected
+            WARN("Device disconnected!!");
+            Thread::wait(500);
+            if (!(int_status & OR_INTR_STATUS_WDH))
+            {
+              usb_hcca->DoneHead = 0;
+            }
+            deviceDisconnected(0, 1, usb_hcca->DoneHead & 0xFFFFFFFE);
+            if (int_status & OR_INTR_STATUS_WDH)
+            {
+              usb_hcca->DoneHead = 0;
+              LPC_USB->HcInterruptStatus = OR_INTR_STATUS_WDH;
+            }
+
+          }
+          //TODO: HUBS
+        }
+        LPC_USB->HcRhPortStatus1 = OR_RH_PORT_CSC;
+      }
+      if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRSC)
+      {
+        LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC;
+        //int_status &= ~OR_RH_PORT_PRSC;
+      }
+      LPC_USB->HcInterruptStatus = OR_INTR_STATUS_RHSC;
+    }
+
+    if (int_status & OR_INTR_STATUS_WDH)
+    { // Writeback Done Head interrupt
+      transferCompleted(usb_hcca->DoneHead & 0xFFFFFFFE);
+      LPC_USB->HcInterruptStatus = OR_INTR_STATUS_WDH;
+    }
+
+    //IRQ Processed
+
+    DBG("Unlocked");
+
+    NVIC_EnableIRQ(USB_IRQn);
+
+    unlock();
+
+  }
+}
+
+/*static*/ void USBHALHost::staticCb(void const* p)
+{
+  ((USBHALHost*)p)->process();
+}
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHALHost.h b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHALHost.h
new file mode 100644
index 0000000000..c72a63a999
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHALHost.h
@@ -0,0 +1,206 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USBHALHOST_H
+#define USBHALHOST_H
+
+#include "rtos.h"
+
+#include "USBHostTypes.h"
+
+#define MAX_ENDPOINT 5
+#define MAX_TD (MAX_ENDPOINT*2)
+
+#define USBHALHOST_SIG_INIT 0x01
+#define USBHALHOST_SIG_IRQ 0x02
+
+class USBHALHost {
+public:
+
+    /*
+    * Constructor
+    *     init variables and memory where will be stored HCCA, ED and TD
+    */
+    USBHALHost();
+    
+    /*
+    * Initialize host controller. Enable USB interrupts. This part is not in the constructor because, 
+    * this function calls a virtual method if a device is already connected
+    */
+    void init();
+    
+    /*
+    * reset a port of a specific hub
+    * TODO: support hub
+    */
+    void resetPort(int hub, int port);
+    
+    /*
+    * return the value contained in the control HEAD ED register
+    *
+    * @returns address of the control Head ED
+    */
+    uint32_t controlHeadED();
+    
+    /*
+    * return the value contained in the bulk HEAD ED register
+    *
+    * @returns address of the bulk head ED
+    */
+    uint32_t bulkHeadED();
+    
+    /*
+    * return the value of the head interrupt ED contained in the HCCA
+    *
+    * @returns address of the head interrupt ED contained in the HCCA
+    */
+    uint32_t interruptHeadED();
+    
+    
+    /*
+    * Update the head ED for control transfers
+    */
+    void updateControlHeadED(uint32_t addr);
+    
+    /*
+    * Update the head ED for bulk transfers
+    */
+    void updateBulkHeadED(uint32_t addr);
+    
+    /*
+    * Update the head ED for interrupt transfers
+    */
+    void updateInterruptHeadED(uint32_t addr);
+    
+    /* 
+    * Enable control list ED
+    */
+    void enableControlList();
+    
+    /* 
+    * Enable bulk list ED
+    */
+    void enableBulkList();
+    
+    /* 
+    * Enable Interrupt list ED
+    */
+    void enableInterruptList();
+    
+    /*
+    * Disable control list ED
+    */
+    bool disableControlList();
+
+    /*
+    * Disable bulk list ED
+    */
+    bool disableBulkList();
+
+    /*
+    * Disable Interrupt list ED
+    */
+    bool disableInterruptList();
+
+    //Lock processing
+    void lock();
+
+    void unlock();
+
+
+protected:
+    /*
+    * Virtual method called when a device has been connected
+    *
+    * @param hub hub number of the device
+    * @param port port number of the device
+    * @param lowSpeed 1 if low speed, 0 otherwise
+    */
+    virtual void deviceConnected(int hub, int port, bool lowSpeed) {};
+    
+    /*
+    * Virtuel method called when a device has been disconnected
+    *
+    * @param hub hub number of the device
+    * @param port port number of the device
+    * @param addr list of the TDs which have been completed to dequeue freed TDs
+    */
+    virtual void deviceDisconnected(int hub, int port, volatile uint32_t addr) {};
+    
+    /*
+    * Virtual method called when a transfer has been completed
+    *
+    * @param addr list of the TDs which have been completed
+    */
+    virtual void transferCompleted(volatile uint32_t addr){};
+    
+    /*
+    * Find a memory section for a new ED
+    *
+    * @returns the address of this section
+    */
+    volatile uint8_t * getED();
+    
+    /*
+    * Find a memory section for a new TD
+    *
+    * @returns the address of this section
+    */
+    volatile uint8_t * getTD();
+    
+    /*
+    * Release a previous memory section reserved for an ED
+    *
+    * @param ed address of the ED
+    */
+    void freeED(volatile uint8_t * ed);
+    
+    /*
+    * Release a previous memory section reserved for an TD
+    *
+    * @param ed address of the TD
+    */
+    void freeTD(volatile uint8_t * td);
+    
+
+private:
+    static void _usbisr(void);
+    void UsbIrqhandler();
+
+    void memInit();
+
+    void process();
+    
+    static void staticCb(void const* p);
+
+    HCCA volatile * usb_hcca;       //256 bytes aligned!
+    uint8_t volatile  * usb_edBuf;   //4 bytes aligned!
+    uint8_t volatile  * usb_tdBuf;   //4 bytes aligned!
+
+    static USBHALHost * instHost;
+    
+    bool volatile  edBufAlloc[MAX_ENDPOINT];
+    bool volatile tdBufAlloc[MAX_TD];
+    
+    //RTOS impl
+    Thread thread;
+    Mutex mtx;
+
+};
+
+#endif
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHost.cpp b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHost.cpp
new file mode 100644
index 0000000000..f5bcbaecfe
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHost.cpp
@@ -0,0 +1,960 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#define __DEBUG__ 0 //WARN: ENABLING DEBUGGING HERE WILL PRINTF IN IRQS!! UNEXPECTED BEHAVIOUR MAY RESULT...
+#ifndef __MODULE__
+#define __MODULE__ "USBHost.cpp"
+#endif
+
+#include "core/dbg.h"
+#include 
+
+#include "USBHost.h"
+#include "rtos.h"
+
+
+#define NB_MAX_INTF 2
+
+USBHost * USBHost::instHost = NULL;
+
+USBHost::USBHost()
+#if 0 //try not to use this
+    : m_usbQueue(), m_usbThread(3, this, &USBHost::usbProcess)
+#endif
+{
+  headControlEndpoint = NULL;
+  headBulkEndpoint = NULL;
+  headInterruptEndpoint = NULL;
+  tailControlEndpoint = NULL;
+  tailBulkEndpoint = NULL;
+  tailInterruptEndpoint = NULL;
+
+  nb_devices = 0;
+  lenReportDescr = 0;
+
+  controlEndpointAllocated = false;
+
+  for (int i = 0; i < MAX_DEVICE_NB; i++) {
+    deviceInUse[i] = false;
+    devices[i].setAddress(i + 1);
+    deviceReset[i] = false;
+  }
+}
+
+
+void USBHost::transferCompleted(volatile uint32_t addr)  {
+#if 0 //try not to use this
+  Interrupt::enter();
+  m_usbQueue.post(addr);
+  Interrupt::leave();
+#else
+
+  if(addr == NULL) //Nothing to process?
+  {
+    return;
+  }
+
+  volatile HCTD* tdList = NULL;
+
+  //First we must reverse the list order and dequeue each TD
+  do
+  {
+    volatile HCTD* td = (volatile HCTD*)addr;
+
+    if(td->control & 0xF0000000 != 0)
+    {
+      WARN("Condition code %02x", td->control >> 28);
+    }
+
+    addr = td->nextTD; //Dequeue from physical list
+    td->nextTD = (uint32_t)tdList; //Enqueue into reversed list
+    tdList = td;
+  } while(addr);
+
+  //Now we can process the list
+  USBEndpoint * volatile iter = NULL;
+
+  while(tdList != NULL)
+  {
+    bool found = false;
+    volatile HCTD* td = tdList;
+    tdList = (volatile HCTD*)td->nextTD; //Dequeue element now as it could be modified below
+    for (int i = 0; i < 3; i++) {
+      if (found) {
+        break;
+      }
+      iter = (i == 0) ? headControlEndpoint : ( (i == 1) ? headBulkEndpoint : headInterruptEndpoint);
+      while (iter != NULL) {
+        if (iter->getProcessedTD() == td) {
+          DBG("td=%p FOUND ed: %08X", td, (void *)iter->getHCED());
+          if (((HCTD *)td)->control >> 28) {
+            DBG("TD Error: %d", td->control >> 28);
+            iter->setState(USB_TYPE_TDFAIL);
+          } else if ((uint32_t)iter->getHCED() & 0x1) {
+            DBG("HALTED");
+            iter->setState(USB_TYPE_HALTED);
+          } else if (!td->currBufPtr) {
+            DBG("!%p", iter);
+            iter->setState(USB_TYPE_IDLE);
+            found=true;
+          } else {
+            DBG("!%p", iter);
+            iter->setState(USB_TYPE_IDLE);
+            iter->setLengthTransferred(td->currBufPtr - iter->getBufStart());
+            found=true;
+          }
+          break;
+        }
+        iter = iter->nextEndpoint();
+      }
+    }
+
+
+    if (found) {
+      iter->unqueueTransfer(td);
+
+      if (iter->getType() != CONTROL_ENDPOINT) {
+        iter->call();
+      }
+    }
+    else
+    {
+      WARN("TD not found!!!");
+      freeTD((uint8_t *)td); //Device must have been disconnected meanwhile
+    }
+
+  }
+#endif
+}
+
+USBHost * USBHost::getHostInst() {
+  if (instHost == NULL) {
+    instHost = new USBHost();
+    instHost->init();
+  }
+  return instHost;
+}
+
+
+/*
+ * Call in ISR when a device has been connected
+ */
+void USBHost::deviceConnected(int hub, int port, bool lowSpeed)  {
+
+  for (int i = 0; i < MAX_DEVICE_NB; i++) {
+    if (!deviceInUse[i]) {
+      deviceInUse[i] = true;
+      WARN("will call init on device %p: speed: %d", (void *)&devices[i], lowSpeed);
+      devices[i].init(hub, port, lowSpeed);
+      deviceReset[i] = false;
+      break;
+    }
+  }
+
+  if (!controlEndpointAllocated) {
+    control = newEndpoint(CONTROL_ENDPOINT, OUT, 0x08, 0x00);
+    addEndpoint(NULL, 0, (USBEndpoint*)control);
+    controlEndpointAllocated = true;
+  }
+}
+
+/*
+ * Call in ISR when a device has been disconnected
+ */
+void USBHost::deviceDisconnected(int hub, int port, volatile uint32_t addr)  {
+
+  bool controlListState = disableControlList();
+  bool bulkListState = disableBulkList();
+  bool interruptListState = disableInterruptList();
+
+  transferCompleted(addr); //Finish processing any pending completed TD
+
+  for (int i = 0; i < MAX_DEVICE_NB; i++) {
+    if ((devices[i].getHub() == hub) && (devices[i].getPort() == port)) {
+      WARN("device disconnected: %p", (void *)&devices[i]);
+      deviceInUse[i] = false;
+      deviceReset[i] = false;
+      freeDevice((USBDeviceConnected*)&devices[i]);
+      break;
+    }
+  }
+  nb_devices--;
+
+  if (controlListState) enableControlList();
+  if (bulkListState) enableBulkList();
+  if (interruptListState) enableInterruptList();
+}
+
+void USBHost::freeDevice(USBDeviceConnected * dev)  {
+  USBEndpoint * ep = NULL;
+//  HCTD * td = NULL;
+  HCED * ed = NULL;
+
+  for (int j = 0; j < dev->getNbInterface(); j++) {
+    DBG("FREE INTF %d, %p, nb_endpot: %d", j, (void *)dev->getInterface(j), dev->getInterface(j)->nb_endpoint);
+    for (int i = 0; i < dev->getInterface(j)->nb_endpoint; i++) {
+      if ((ep = dev->getEndpoint(j, i)) != NULL) {
+        DBG("Freeing USBEndpoint");
+        ed = (HCED *)ep->getHCED();
+        ed->control |= (1 << 13); //sKip bit
+        DBG("Dequeueing USBEndpoint");
+        unqueueEndpoint(ep);
+
+        DBG("Freeing first transfer descriptor");
+        freeTD((volatile uint8_t*)ep->getTDList()[0]);
+        DBG("Freeing second transfer descriptor");
+        freeTD((volatile uint8_t*)ep->getTDList()[1]);
+
+        DBG("Freeing USBEndpoint descriptor");
+        freeED((uint8_t *)ep->getHCED());
+      }
+      //printBulk();
+      //printInt();
+    }
+  }
+  DBG("Disconnecting device");
+  dev->disconnect();
+  DBG("Device disconnected");
+}
+
+
+void USBHost::unqueueEndpoint(USBEndpoint * ep)  {
+  USBEndpoint * prec = NULL;
+  USBEndpoint * current = NULL;
+  bool found = false;
+
+  DBG("want to unqueue ep: %p", (void *)ep->getHCED());
+
+  for (int i = 0; i < 2; i++) {
+    if (found) {
+      DBG("USBEndpoint unqueued: %p", (void *)ep->getHCED());
+      break;
+    }
+    current = (i == 0) ? (USBEndpoint*)headBulkEndpoint : (USBEndpoint*)headInterruptEndpoint;
+    prec = current;
+    while (current != NULL) {
+      if (current == ep) {
+        if (current->nextEndpoint() != NULL) {
+          prec->queueEndpoint(current->nextEndpoint());
+          if (current == headBulkEndpoint) {
+            updateBulkHeadED((uint32_t)current->nextEndpoint()->getHCED());
+            headBulkEndpoint = current->nextEndpoint();
+          }
+          if (current == headInterruptEndpoint) {
+            updateInterruptHeadED((uint32_t)current->nextEndpoint()->getHCED());
+            headInterruptEndpoint = current->nextEndpoint();
+          }
+        } else {
+          prec->queueEndpoint(NULL);
+          if (current == headBulkEndpoint) {
+            updateBulkHeadED(0);
+            headBulkEndpoint = current->nextEndpoint();
+          }
+          if (current == headInterruptEndpoint) {
+            updateInterruptHeadED(0);
+            headInterruptEndpoint = current->nextEndpoint();
+          }
+        }
+        found = true;
+        current->setState(USB_TYPE_FREE);
+        break;
+      }
+      prec = current;
+      current = current->nextEndpoint();
+    }
+  }
+  //printBulk();
+  //printInt();
+}
+
+
+USBDeviceConnected * USBHost::getDevice(uint8_t index)  {
+  if ((index >= MAX_DEVICE_NB) || (!deviceInUse[index])) {
+    return NULL;
+  }
+  return (USBDeviceConnected*)&devices[index];
+}
+
+
+
+// create an USBEndpoint descriptor. the USBEndpoint is not linked
+USBEndpoint * USBHost::newEndpoint(ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint32_t size, uint8_t addr)  {
+  int i = 0;
+  HCED * ed = (HCED *)getED();
+  HCTD* td_list[2] = { (HCTD*)getTD(), (HCTD*)getTD() };
+
+  memset((void *)td_list[0], 0x00, sizeof(HCTD));
+  memset((void *)td_list[1], 0x00, sizeof(HCTD));
+
+  // search a free USBEndpoint
+  for (i = 0; i < MAX_ENDPOINT; i++) {
+    if (endpoints[i].getState() == USB_TYPE_FREE) {
+      DBG("Trying to create ep");
+      endpoints[i].init(ed, type, dir, size, addr, td_list);
+      //endpoints[i].queueTransfer(nullTd);
+      DBG("USBEndpoint created (%p): type: %d, dir: %d, size: %d, addr: %d", &endpoints[i], type, dir, size, addr);
+      return &endpoints[i];
+    }
+  }
+  DBG("could not allocate more endpoints!!!!");
+  return NULL;
+}
+
+
+USB_TYPE USBHost::resetDevice(USBDeviceConnected * dev)  {
+  int index = findDevice(dev);
+  if ((index != -1) && (!deviceReset[index])) {
+    resetPort(dev->getHub(), dev->getPort());
+    deviceReset[index] = true;
+    return USB_TYPE_OK;
+  }
+  return USB_TYPE_NOTFOUND;
+}
+
+// link the USBEndpoint to the linked list and attach an USBEndpoint to a device
+bool USBHost::addEndpoint(USBDeviceConnected * dev, uint8_t intf_nb, USBEndpoint * ep)  {
+
+  if (ep == NULL) {
+    return false;
+  }
+
+  DBG("New ep %p", ep);
+
+   HCED * prevEd;
+
+  // set device address in the USBEndpoint descriptor
+  if (dev == NULL) {
+    ep->setDeviceAddress(0);
+  } else {
+    ep->setDeviceAddress(dev->getAddress());
+  }
+
+  if (dev != NULL && dev->getSpeed()) {
+    DBG("add USBEndpoint: set speed");
+    ep->setSpeed(dev->getSpeed());
+  }
+
+  // queue the new USBEndpoint on the ED list
+  switch (ep->getType()) {
+
+  case CONTROL_ENDPOINT:
+    prevEd = ( HCED*) controlHeadED();
+    if (!prevEd) {
+      updateControlHeadED((uint32_t) ep->getHCED());
+      DBG("First control USBEndpoint: %08X", (uint32_t) ep->getHCED());
+      headControlEndpoint = ep;
+      tailControlEndpoint = ep;
+      return true;
+    }
+    tailControlEndpoint->queueEndpoint(ep);
+    tailControlEndpoint = ep;
+    return true;
+
+  case BULK_ENDPOINT:
+    prevEd = ( HCED*) bulkHeadED();
+    if (!prevEd) {
+      updateBulkHeadED((uint32_t) ep->getHCED());
+      //DBG("First bulk USBEndpoint: %08X\r\n", (uint32_t) ep->getHCED());
+      headBulkEndpoint = ep;
+      tailBulkEndpoint = ep;
+      break;
+    }
+    tailBulkEndpoint->queueEndpoint(ep);
+    tailBulkEndpoint = ep;
+    break;
+
+  case INTERRUPT_ENDPOINT:
+    prevEd = ( HCED*) interruptHeadED();
+    if (!prevEd) {
+      updateInterruptHeadED((uint32_t) ep->getHCED());
+      //DBG("First interrupt USBEndpoint: %08X\r\n", (uint32_t) ep->getHCED());
+      headInterruptEndpoint = ep;
+      tailInterruptEndpoint = ep;
+      break;
+    }
+    tailInterruptEndpoint->queueEndpoint(ep);
+    tailInterruptEndpoint = ep;
+    break;
+  default:
+    return false;
+  }
+
+  dev->addEndpoint(intf_nb, ep);
+  //printBulk();
+  //printInt();
+
+  return true;
+}
+
+
+int USBHost::findDevice(USBDeviceConnected * dev)  {
+  for (int i = 0; i < MAX_DEVICE_NB; i++) {
+    if (dev == &devices[i]) {
+      return i;
+    }
+  }
+  return -1;
+}
+
+void USBHost::printBulk() {
+  HCED * hced = (HCED *)bulkHeadED();
+  HCTD * hctd = NULL;
+  printf("---------State of Bulk:--------\r\n");
+  while (hced != NULL) {
+    printf("hced: %p\r\n", hced);
+    hctd = (HCTD *)((uint32_t)(hced->headTD) & ~(0x0f));
+    while (((uint32_t)hctd & ~(0x0f)) != ((hced->tailTD) & ~(0x0f))) {
+      printf("\thctd: %p\r\n", hctd);
+      hctd = (HCTD *)((uint32_t)(hctd->nextTD) & ~(0x0f));
+    }
+    printf("\thctd: %p\r\n", hctd);
+    hced = (HCED *)((uint32_t)(hced->nextED) & ~(0x0f));
+  }
+  printf("--------------------\r\n");
+}
+
+void USBHost::printInt() {
+  HCED * hced = (HCED *)interruptHeadED();
+  HCTD * hctd = NULL;
+  printf("---------State of Int:--------\r\n");
+  while (hced != NULL) {
+    printf("hced: %p\r\n", hced);
+    hctd = (HCTD *)((uint32_t)(hced->headTD) & ~(0x0f));
+    while (((uint32_t)hctd & ~(0x0f)) != ((hced->tailTD) & ~(0x0f))) {
+      printf("\thctd: %p\r\n", hctd);
+      hctd = (HCTD *)((uint32_t)(hctd->nextTD) & ~(0x0f));
+    }
+    printf("\thctd: %p\r\n", hctd);
+    hced = (HCED *)((uint32_t)(hced->nextED) & ~(0x0f));
+  }
+  printf("--------------------\r\n");
+}
+
+
+// add a transfer on the TD linked list
+USB_TYPE USBHost::addTransfer(USBEndpoint * ed, uint8_t * buf, uint32_t len)  {
+
+  // allocate a TD which will be freed in TDcompletion
+  volatile HCTD * td = ed->getNextTD();
+  if (td == NULL) {
+    return USB_TYPE_ERROR;
+  }
+
+  DBG("Next td = %p",td);
+
+  uint32_t token = (ed->isSetup() ? TD_SETUP : ( (ed->getDir() == IN) ? TD_IN : TD_OUT ));
+
+  uint32_t td_toggle;
+
+  if (ed->getType() == CONTROL_ENDPOINT) {
+    if (ed->isSetup()) {
+      td_toggle = TD_TOGGLE_0;
+    } else {
+      td_toggle = TD_TOGGLE_1;
+    }
+  } else {
+    td_toggle = 0;
+  }
+
+  DBG("Buf=%d, len=%d", buf, len);
+  td->control      = (TD_ROUNDING | token | TD_DELAY_INT(0) | td_toggle | TD_CC);
+  td->currBufPtr   = (uint32_t) buf;
+  td->bufEnd       = (uint32_t)(buf + (len - 1));
+
+  DBG("Now do queue transfer on ep %p", ed);
+
+  ed->queueTransfer();
+
+  DBG("Enable list if needed");
+
+  switch (ed->getType()) {
+  case CONTROL_ENDPOINT:
+    enableControlList();
+    break;
+  case BULK_ENDPOINT:
+    enableBulkList();
+    break;
+  case INTERRUPT_ENDPOINT:
+    //printInt();
+    enableInterruptList();
+    break;
+  }
+
+  DBG("Wait for HC to process TD");
+
+
+  return USB_TYPE_PROCESSING;
+}
+
+
+
+USB_TYPE USBHost::getDeviceDescriptor(USBDeviceConnected * dev, uint8_t * buf)  {
+  return controlRead(  dev,
+      USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
+      GET_DESCRIPTOR,
+      (DEVICE_DESCRIPTOR << 8) | (0),
+      0,
+      buf,
+      DEVICE_DESCRIPTOR_LENGTH);
+}
+
+USB_TYPE USBHost::getConfigurationDescriptor(USBDeviceConnected * dev, uint8_t * buf, uint16_t * len_conf_descr)  {
+  USB_TYPE res;
+  uint16_t total_conf_descr_length = 0;
+
+  // fourth step: get the beginning of the configuration descriptor to have the total length of the conf descr
+  res = controlRead(  dev,
+      USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
+      GET_DESCRIPTOR,
+      (CONFIGURATION_DESCRIPTOR << 8) | (0),
+      0,
+      buf,
+      CONFIGURATION_DESCRIPTOR_LENGTH);
+
+  if (res != USB_TYPE_OK) {
+    ERR("GET CONF 1 DESCR FAILED");
+    return res;
+  }
+  total_conf_descr_length = buf[2] | (buf[3] << 8);
+  if (len_conf_descr != NULL) {
+    *len_conf_descr = total_conf_descr_length;
+  }
+  DBG("TOTAL_LENGTH: %d \t NUM_INTERF: %d", total_conf_descr_length, buf[4]);
+
+  return controlRead(  dev,
+      USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
+      GET_DESCRIPTOR,
+      (CONFIGURATION_DESCRIPTOR << 8) | (0),
+      0,
+      buf,
+      total_conf_descr_length);
+
+}
+
+USB_TYPE USBHost::setConfiguration(USBDeviceConnected * dev, uint8_t conf)  {
+  return controlWrite( dev,
+      USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE,
+      SET_CONFIGURATION,
+      conf,
+      0,
+      NULL,
+      0);
+
+}
+
+
+// enumerate a device with the control USBEndpoint
+USB_TYPE USBHost::enumerate(USBDeviceConnected * dev, IUSBEnumerator* pEnumerator)  {
+  uint8_t data[384];
+  uint16_t total_conf_descr_length = 0;
+  USB_TYPE res;
+
+  DBG("data = %p", data);
+
+  if (dev->isEnumerated()) {
+    return USB_TYPE_OK;
+  }
+
+  // first step: get the size of USBEndpoint 0
+  DBG("Get size of EP 0");
+  res = controlRead(  dev,
+      USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
+      GET_DESCRIPTOR,
+      (DEVICE_DESCRIPTOR << 8) | (0),
+      0,
+      data,
+      8);
+
+ if (res != USB_TYPE_OK) {
+    ERR("Control read failed!!");
+    return res;
+  }
+  dev->setSizeControlEndpoint(data[7]);
+  DBG("size control USBEndpoint: %d", dev->getSizeControlEndpoint());
+  
+DBG("Now set addr");
+  // second step: set an address to the device
+  res = controlWrite( dev,
+      USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE,
+      SET_ADDRESS,
+      dev->getAddress(),
+      0,
+      NULL,
+      0);
+
+  if (res != USB_TYPE_OK) {
+    DBG("SET ADDR FAILED");
+    freeDevice(dev);
+    return res;
+  }
+  dev->activeAddress();
+
+
+  // third step: get the whole device descriptor to see vid, pid
+  res = getDeviceDescriptor(dev, data);
+
+  if (res != USB_TYPE_OK) {
+    DBG("GET DEV DESCR FAILED");
+    return res;
+  }
+  dev->setClass(data[4]);
+  dev->setSubClass(data[5]);
+  dev->setProtocol(data[6]);
+  dev->setVid(data[8] | (data[9] << 8));
+  dev->setPid(data[10] | (data[11] << 8));
+  DBG("CLASS: %02X \t VID: %04X \t PID: %04X", data[4], data[8] | (data[9] << 8), data[10] | (data[11] << 8));
+  
+  pEnumerator->setVidPid( data[8] | (data[9] << 8), data[10] | (data[11] << 8) );
+
+  res = getConfigurationDescriptor(dev, data, &total_conf_descr_length);
+  if (res != USB_TYPE_OK) {
+    return res;
+  }
+
+  // Parse the configuration descriptor
+  parseConfDescr(dev, data, total_conf_descr_length, pEnumerator);
+
+
+  // sixth step: set configuration (only 1 supported)
+  res = setConfiguration(dev, 1);
+
+  if (res != USB_TYPE_OK) {
+    DBG("SET CONF FAILED");
+    freeDevice(dev);
+    return res;
+  }
+
+  // Now the device is enumerated!
+  dev->setEnumerated();
+  DBG("device enumerated!!!!");
+
+  // Some devices may require this delay
+  Thread::wait(100);
+
+  return USB_TYPE_OK;
+}
+
+// this method fills the USBDeviceConnected object: class,.... . It also add endpoints found in the descriptor.
+void USBHost::parseConfDescr(USBDeviceConnected * dev, uint8_t * conf_descr, uint32_t len, IUSBEnumerator* pEnumerator)  {
+  uint32_t index = 0;
+  uint32_t len_desc = 0;
+  uint8_t id = 0;
+  int nb_endpoints_used = 0;
+  USBEndpoint * ep = NULL;
+  uint8_t intf_nb = 0;
+  bool parsing_intf = false;
+
+  while (index < len) {
+    len_desc = conf_descr[index];
+    id = conf_descr[index+1];
+    switch (id) {
+    case CONFIGURATION_DESCRIPTOR:
+      break;
+    case INTERFACE_DESCRIPTOR:
+      if(pEnumerator->parseInterface(intf_nb, conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7]))
+      {
+        if (intf_nb++ <= NB_MAX_INTF) {
+          dev->addInterface(intf_nb - 1, conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7]);
+          nb_endpoints_used = 0;
+          DBG("ADD INTF %d on device %p: class: %d, subclass: %d, proto: %d", intf_nb - 1, (void *)dev, conf_descr[index + 5],conf_descr[index + 6],conf_descr[index + 7]);
+        } else {
+          DBG("Drop intf...");
+        }
+        parsing_intf = true;
+      }
+      else
+      {
+        parsing_intf = false;
+      }
+      break;
+    case ENDPOINT_DESCRIPTOR:
+      DBG("Ep DESC");
+      if (parsing_intf && (intf_nb <= NB_MAX_INTF) ) {
+        if (nb_endpoints_used < MAX_ENDPOINT_PER_INTERFACE) {
+          if( pEnumerator->useEndpoint(intf_nb - 1, (ENDPOINT_TYPE)(conf_descr[index + 3] & 0x03), (ENDPOINT_DIRECTION)((conf_descr[index + 2] >> 7) + 1)) )
+          {
+            // if the USBEndpoint is isochronous -> skip it (TODO: fix this)
+            if ((conf_descr[index + 3] & 0x03) != ISOCHRONOUS_ENDPOINT) {
+              ep = newEndpoint((ENDPOINT_TYPE)(conf_descr[index+3] & 0x03),
+                  (ENDPOINT_DIRECTION)((conf_descr[index + 2] >> 7) + 1),
+                  conf_descr[index + 4] | (conf_descr[index + 5] << 8),
+                  conf_descr[index + 2] & 0x0f);
+              DBG("ADD USBEndpoint %p, on interf %d on device %p", (void *)ep, intf_nb - 1, (void *)dev);
+              if (ep != NULL && dev != NULL) {
+                addEndpoint(dev, intf_nb - 1, ep);
+              } else {
+                DBG("EP NULL");
+              }
+              nb_endpoints_used++;
+            } else {
+              DBG("ISO USBEndpoint NOT SUPPORTED");
+            }
+          }
+        }
+      }
+      //DBG("USBEndpoint DESCR");
+      break;
+    case HID_DESCRIPTOR:
+      lenReportDescr = conf_descr[index + 7] | (conf_descr[index + 8] << 8);
+      break;
+    default:
+      break;
+    }
+    index += len_desc;
+  }
+}
+
+
+USB_TYPE USBHost::bulkRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)  {
+  USB_TYPE res;
+
+  if (dev == NULL || ep == NULL) {
+    return USB_TYPE_ERROR;
+  }
+
+  if ((ep->getDir() != IN) || (ep->getType() != BULK_ENDPOINT)) {
+    DBG("wrong dir or bad USBEndpoint type");
+    return USB_TYPE_ERROR;
+  }
+  if (dev->getAddress() != ep->getDeviceAddress()) {
+    DBG("USBEndpoint addr and device addr don't match");
+    return USB_TYPE_ERROR;
+  }
+  addTransfer(ep, buf, len);
+  if (blocking) {
+    unlock();
+    while ((res = control->getState()) == USB_TYPE_PROCESSING);
+    lock();
+    if (res != USB_TYPE_IDLE) {
+      return res;
+    }
+    return USB_TYPE_OK;
+  }
+  return USB_TYPE_PROCESSING;
+}
+
+USB_TYPE USBHost::bulkWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)  {
+  USB_TYPE res;
+
+  if (dev == NULL || ep == NULL) {
+    return USB_TYPE_ERROR;
+  }
+
+  if ((ep->getDir() != OUT) || (ep->getType() != BULK_ENDPOINT)) {
+    DBG("wrong dir or bad USBEndpoint type");
+    return USB_TYPE_ERROR;
+  }
+  if (dev->getAddress() != ep->getDeviceAddress()) {
+    DBG("USBEndpoint addr and device addr don't match");
+    return USB_TYPE_ERROR;
+  }
+  addTransfer(ep, buf, len);
+  if (blocking) {
+    unlock();
+    while ((res = control->getState()) == USB_TYPE_PROCESSING)
+    {
+      DBG("!!!!!!!!!!!!!wait bulkwrite");
+      Thread::wait(100);
+    }
+    lock();
+    DBG("!!!!!!!!!!!!! bulkwrite finished");
+    if (res != USB_TYPE_IDLE) {
+      return res;
+    }
+    return USB_TYPE_OK;
+  }
+  return USB_TYPE_PROCESSING;
+}
+
+USB_TYPE USBHost::interruptWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)  {
+  USB_TYPE res;
+
+  if (dev == NULL || ep == NULL) {
+    return USB_TYPE_ERROR;
+  }
+
+  if (ep->getState() != USB_TYPE_IDLE) {
+    return ep->getState();
+  }
+
+  if ((ep->getDir() != OUT) || (ep->getType() != INTERRUPT_ENDPOINT)) {
+    ERR("wrong dir or bad USBEndpoint type: %d, %d", ep->getDir(), ep->getType());
+    return USB_TYPE_ERROR;
+  }
+  if (dev->getAddress() != ep->getDeviceAddress()) {
+    ERR("USBEndpoint addr and device addr don't match");
+    return USB_TYPE_ERROR;
+  }
+  addTransfer(ep, buf, len);
+  if (blocking) {
+    while ((res = ep->getState()) == USB_TYPE_PROCESSING);
+    if (res != USB_TYPE_IDLE) {
+      return res;
+    }
+    return USB_TYPE_OK;
+  }
+  return USB_TYPE_PROCESSING;
+}
+
+USB_TYPE USBHost::interruptRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)  {
+  USB_TYPE res;
+
+  if (dev == NULL || ep == NULL) {
+    return USB_TYPE_ERROR;
+  }
+
+  if (ep->getState() != USB_TYPE_IDLE) {
+    return ep->getState();
+  }
+
+  if ((ep->getDir() != IN) || (ep->getType() != INTERRUPT_ENDPOINT)) {
+    ERR("wrong dir or bad USBEndpoint type");
+    return USB_TYPE_ERROR;
+  }
+
+  if (dev->getAddress() != ep->getDeviceAddress()) {
+    ERR("USBEndpoint addr and device addr don't match");
+    return USB_TYPE_ERROR;
+  }
+  addTransfer(ep, buf, len);
+  if (blocking) {
+    while ((res = ep->getState()) == USB_TYPE_PROCESSING);
+    if (res != USB_TYPE_IDLE) {
+      return res;
+    }
+    return USB_TYPE_OK;
+  }
+  return USB_TYPE_PROCESSING;
+}
+
+
+USB_TYPE USBHost::controlRead(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len)  {
+  int length_transfer = len;
+  //DBG("want to transfer: %d bytes\r\n", length_transfer);
+  USB_TYPE res;
+  control->setSpeed(dev->getSpeed());
+  control->setSize(dev->getSizeControlEndpoint());
+  if (dev->isActiveAddress()) {
+    control->setDeviceAddress(dev->getAddress());
+  } else {
+    control->setDeviceAddress(0);
+  }
+  fillControlBuf(requestType, request, value, index, len);
+ /* DBG("will call transfer: ");
+    for (int i = 0; i < 8; i++) {
+        DBG("%02X ", setupPacket[i]);
+    }*/
+  control->setNextToken(TD_SETUP);
+  addTransfer(control, (uint8_t*)setupPacket, 8);
+  DBG("Now wait for TD to be processed");
+  unlock();
+  DBG("Unlocked");
+  while ((res = control->getState()) == USB_TYPE_PROCESSING);
+  lock();
+  DBG("TD processed with result %d", res);
+  if (res != USB_TYPE_IDLE) {
+    return res;
+  }
+
+  if (length_transfer) {
+    DBG("In data to be transfered...");
+    control->setNextToken(TD_IN);
+    addTransfer(control, (uint8_t *)buf, length_transfer);
+    unlock();
+    while ((res = control->getState()) == USB_TYPE_PROCESSING);
+    lock();
+    if (res != USB_TYPE_IDLE) {
+      return res;
+    }
+  }
+
+  DBG("Transfer NULL packet (OUT)");
+  control->setNextToken(TD_OUT);
+  addTransfer(control, NULL, 0);
+  unlock();
+  while ((res = control->getState()) == USB_TYPE_PROCESSING);
+  lock();
+  if (res != USB_TYPE_IDLE) {
+    return res;
+  }
+  return USB_TYPE_OK;
+}
+
+
+USB_TYPE USBHost::controlWrite(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len)  {
+  control->setSpeed(dev->getSpeed());
+
+  int length_transfer = len;
+  USB_TYPE res;
+
+  control->setSize(dev->getSizeControlEndpoint());
+  if (dev->isActiveAddress()) {
+    control->setDeviceAddress(dev->getAddress());
+  } else {
+    control->setDeviceAddress(0);
+  }
+  fillControlBuf(requestType, request, value, index, len);
+  /*DBG("will call transfer: ");
+    for (int i = 0; i < 8; i++) {
+        printf("%01X ", setupPacket[i]);
+    }
+    printf("\r\n");*/
+  control->setNextToken(TD_SETUP);
+  addTransfer(control, (uint8_t*)setupPacket, 8);
+  unlock();
+  while ((res = control->getState()) == USB_TYPE_PROCESSING);
+  lock();
+  if (res != USB_TYPE_IDLE) {
+    return res;
+  }
+
+  if (length_transfer) {
+    control->setNextToken(TD_OUT);
+    addTransfer(control, (uint8_t *)buf, length_transfer);
+    unlock();
+    while ((res = control->getState()) == USB_TYPE_PROCESSING);
+    lock();
+    if (res != USB_TYPE_IDLE) {
+      return res;
+    }
+  }
+
+  control->setNextToken(TD_IN);
+  addTransfer(control, NULL, 0);
+  unlock();
+  while ((res = control->getState()) == USB_TYPE_PROCESSING);
+  lock();
+  if (res != USB_TYPE_IDLE) {
+    return res;
+  }
+  return USB_TYPE_OK;
+}
+
+
+void USBHost::fillControlBuf(uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, int len)  {
+#ifdef __BIG_ENDIAN
+#error "Must implement BE to LE conv here"
+#endif
+  setupPacket[0] = requestType;
+  setupPacket[1] = request;
+  //We are in LE so it's fine
+  *((uint32_t*)&setupPacket[2]) = value;
+  *((uint32_t*)&setupPacket[4]) = index;
+  *((uint32_t*)&setupPacket[6]) = (uint32_t) len;
+}
+
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHost.h b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHost.h
new file mode 100644
index 0000000000..f42c438abb
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHost.h
@@ -0,0 +1,304 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USBHOST_H
+#define USBHOST_H
+
+#include "USBHALHost.h"
+#include "USBDeviceConnected.h"
+#include "USBEndpoint.h"
+#include "IUSBEnumerator.h"
+
+#define MAX_DEVICE_NB 1
+
+// singleton class
+class USBHost : public USBHALHost {
+public:
+    /*
+    * Static method to create or retrieve the single USBHost instance
+    */
+    static USBHost * getHostInst();
+    
+    USB_TYPE getDeviceDescriptor(USBDeviceConnected * dev, uint8_t * buf) ;
+    USB_TYPE getConfigurationDescriptor(USBDeviceConnected * dev, uint8_t * buf, uint16_t * len_conf_descr = NULL) ;
+    USB_TYPE setConfiguration(USBDeviceConnected * dev, uint8_t conf) ;
+    USB_TYPE getStringDescriptor(USBDeviceConnected * dev, uint8_t index, uint8_t * buf) ;
+    USB_TYPE getReportDescriptor(USBDeviceConnected * dev, uint8_t * buf, uint8_t len) ;
+
+    /*
+    * Control read: setup stage, data stage and status stage
+    *
+    * @param dev the control read will be done for this device
+    * @param requestType request type
+    * @param request request
+    * @param value value
+    * @param index index
+    * @param buf pointer on a buffer where will be store the data received
+    * @param len length of the transfer
+    *
+    * @returns status of the control read
+    */
+    USB_TYPE controlRead(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) ;
+
+    /*
+    * Control write: setup stage, data stage and status stage
+    *
+    * @param dev the control write will be done for this device
+    * @param requestType request type
+    * @param request request
+    * @param value value
+    * @param index index
+    * @param buf pointer on a buffer which will be written
+    * @param len length of the transfer
+    *
+    * @returns status of the control write
+    */
+    USB_TYPE controlWrite(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) ;
+
+
+    /*
+    * Bulk read
+    *
+    * @param dev the bulk transfer will be done for this device
+    * @param ep USBEndpoint which will be used to read a packet
+    * @param buf pointer on a buffer where will be store the data received
+    * @param len length of the transfer
+    * @param blocking if true, the read is blocking (wait for completion)
+    *
+    * @returns status of the bulk read
+    */
+    USB_TYPE bulkRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true) ;
+
+    /*
+    * Bulk write
+    *
+    * @param dev the bulk transfer will be done for this device
+    * @param ep USBEndpoint which will be used to write a packet
+    * @param buf pointer on a buffer which will be written
+    * @param len length of the transfer
+    * @param blocking if true, the write is blocking (wait for completion)
+    *
+    * @returns status of the bulk write
+    */
+    USB_TYPE bulkWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true) ;
+
+    /*
+    * Interrupt read
+    *
+    * @param dev the bulk transfer will be done for this device
+    * @param ep USBEndpoint which will be used to write a packet
+    * @param buf pointer on a buffer which will be written
+    * @param len length of the transfer
+    * @param blocking if true, the read is blocking (wait for completion)
+    *
+    * @returns status of the interrupt read
+    */
+    USB_TYPE interruptRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true) ;
+
+    /*
+    * Interrupt write
+    *
+    * @param dev the bulk transfer will be done for this device
+    * @param ep USBEndpoint which will be used to write a packet
+    * @param buf pointer on a buffer which will be written
+    * @param len length of the transfer
+    * @param blocking if true, the write is blocking (wait for completion)
+    *
+    * @returns status of the interrupt write
+    */
+    USB_TYPE interruptWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true) ;
+
+    /*
+    * Enumerate a device. This method is responsible for:
+    *   - set the address of the device
+    *   - fill a USBDeviceConnected object:
+    *       - add interfaces, endpoints, ...
+    *   - set a configuration
+    *
+    * @param dev device which will be enumerated
+    *
+    * @returns status of the enumeration
+    */
+    USB_TYPE enumerate(USBDeviceConnected * dev, IUSBEnumerator* pEnumerator) ;
+
+    /*
+    * Get a device
+    *
+    * @param index index of the device which will be returned
+    *
+    * @returns pointer on the "index" device
+    */
+    USBDeviceConnected * getDevice(uint8_t index) ;
+
+    /*
+    * reset port and hub of a specific device
+    *
+    * @param pointer on the device hich will be reseted
+    */
+    USB_TYPE resetDevice(USBDeviceConnected * dev) ;
+
+    /*
+    * If there is a HID device connected, the host stores the length of the report descriptor.
+    * This avoid to the driver to re-ask the configuration descriptor to request the report descriptor
+    *
+    * @returns length of the report descriptor
+    */
+    uint16_t getLengthReportDescr()  {
+        return lenReportDescr;
+    };
+
+    /**
+     *  register a driver into the host associated with a callback function called when the device is disconnected
+     *
+     *  @param dev device
+     *  @param tptr pointer to the object to call the member function on
+     *  @param mptr pointer to the member function to be called
+     */
+    template
+    void registerDriver(USBDeviceConnected * dev, uint8_t intf, T* tptr, void (T::*mptr)(void))  {
+        int index = findDevice(dev);
+        if ((index != -1) && (mptr != NULL) && (tptr != NULL)) {
+            dev->onDisconnect(intf, tptr, mptr);
+        }
+    }
+
+    /**
+     * register a driver into the host associated with a callback function called when the device is disconnected
+     *
+     * @param dev device
+     * @param fn callback called when the specified device has been disconnected
+     */
+    void registerDriver(USBDeviceConnected * dev, uint8_t intf, void (*fn)(void))  {
+        int index = findDevice(dev);
+        if ((index != -1) && (fn != NULL)) {
+            dev->onDisconnect(intf, fn);
+        }
+    }
+
+
+protected:
+
+    /*
+    * Virtual method called when a device has been connected
+    *
+    * @param hub hub number of the device
+    * @param port port number of the device
+    * @param lowSpeed 1 if low speed, 0 otherwise
+    */
+    virtual void deviceConnected(int hub, int port, bool lowSpeed) ;
+
+    /*
+    * Virtuel method called when a device has been disconnected
+    *
+    * @param hub hub number of the device
+    * @param port port number of the device
+    * @param addr list of the TDs which have been completed to dequeue freed TDs
+    */
+    virtual void deviceDisconnected(int hub, int port, volatile uint32_t addr) ;
+
+    /*
+    * Virtual method called when a transfer has been completed
+    *
+    * @param addr list of the TDs which have been completed
+    */
+    virtual void transferCompleted(volatile uint32_t addr) ;
+
+
+private:
+    // singleton class -> constructor is private
+    USBHost();
+
+    static USBHost * instHost;
+
+    uint8_t  nb_devices;
+    uint16_t  lenReportDescr;
+
+    void fillControlBuf(uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, int len) ;
+    void parseConfDescr(USBDeviceConnected * dev, uint8_t * conf_descr, uint32_t len, IUSBEnumerator* pEnumerator) ;
+    void freeDevice(USBDeviceConnected * dev) ;
+    int findDevice(USBDeviceConnected * dev) ;
+
+
+    // endpoints
+    void unqueueEndpoint(USBEndpoint * ep) ;
+    USBEndpoint  endpoints[MAX_ENDPOINT];
+    USBEndpoint* volatile  control;
+
+    USBEndpoint* volatile  headControlEndpoint;
+    USBEndpoint* volatile  headBulkEndpoint;
+    USBEndpoint* volatile  headInterruptEndpoint;
+
+    USBEndpoint* volatile  tailControlEndpoint;
+    USBEndpoint* volatile  tailBulkEndpoint;
+    USBEndpoint* volatile  tailInterruptEndpoint;
+
+    bool controlEndpointAllocated;
+
+
+    // devices connected
+    USBDeviceConnected  devices[MAX_DEVICE_NB];
+    volatile bool  deviceInUse[MAX_DEVICE_NB];
+    volatile bool  deviceReset[MAX_DEVICE_NB];
+    
+    /*
+    * Add a transfer on the TD linked list associated to an ED
+    *
+    * @param ed the transfer is associated to this ed
+    * @param buf pointer on a buffer where will be read/write data to send or receive
+    * @param len transfer length
+    *
+    * @return status of the transfer
+    */
+    USB_TYPE addTransfer(USBEndpoint * ed, uint8_t * buf, uint32_t len) ;
+    
+    /*
+    * Link the USBEndpoint to the linked list and attach an USBEndpoint this USBEndpoint to a device
+    *
+    * @param dev pointer on a USBDeviceConnected object
+    * @param ep pointer on the USBEndpoint which will be added
+    *
+    * return true if successful
+    */
+    bool addEndpoint(USBDeviceConnected * dev, uint8_t intf_nb, USBEndpoint * ep) ;
+
+    /*
+    * Create an USBEndpoint descriptor. Warning: the USBEndpoint is not linked.
+    *
+    * @param type USBEndpoint type (CONTROL_ENDPOINT, BULK_ENDPOINT, INTERRUPT_ENDPOINT)
+    * @param dir USBEndpoint direction (no meaning for CONTROL_ENDPOINT)
+    * @param size USBEndpoint max packet size
+    * @param addr USBEndpoint address
+    *
+    * @returns pointer on the USBEndpoint created
+    */
+    USBEndpoint * newEndpoint(ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint32_t size, uint8_t addr) ;
+
+
+    // to store a setup packet
+    uint8_t  setupPacket[8];
+
+
+    /////////////////////////
+    /// FOR DEBUG
+    /////////////////////////
+    void printBulk();
+    void printInt();
+
+};
+
+#endif
diff --git a/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHostTypes.h b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHostTypes.h
new file mode 100644
index 0000000000..cadfc69f3c
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBHostTypes.h
@@ -0,0 +1,191 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USB_INC_H
+#define USB_INC_H
+
+#include "mbed.h"
+
+enum USB_TYPE {
+    USB_TYPE_DISCONNECTED = -10,
+    USB_TYPE_NOTFOUND = -9,
+    USB_TYPE_BADCONFIG = -8,
+    USB_TYPE_FREE = -7,
+    USB_TYPE_IDLE = -6,
+    USB_TYPE_PROCESSING = -5,
+    USB_TYPE_HALTED = -4, //Transfer on an ep is stalled
+    USB_TYPE_BUSY = -3,
+    USB_TYPE_TDFAIL = -2,
+    USB_TYPE_ERROR = -1,
+    USB_TYPE_OK = 0
+};
+
+#define AUDIO_CLASS 0x01
+#define CDC_CLASS   0x02
+#define MSD_CLASS   0x08
+#define HID_CLASS   0x03
+
+
+// From NXP's USBHostLite stack's usbhost_lpc17xx.h 
+// Only the types names have been changed to avoid unecessary typedefs 
+
+
+/*
+**************************************************************************************************************
+*                                                 NXP USB Host Stack
+*
+*                                     (c) Copyright 2008, NXP SemiConductors
+*                                     (c) Copyright 2008, OnChip  Technologies LLC
+*                                                 All Rights Reserved
+*
+*                                                  www.nxp.com
+*                                               www.onchiptech.com
+*
+* File           : usbhost_lpc17xx.h
+* Programmer(s)  : Ravikanth.P
+* Version        :
+*
+**************************************************************************************************************
+*/
+
+
+// ------------------ HcControl Register ---------------------  
+#define  OR_CONTROL_PLE                 0x00000004
+#define  OR_CONTROL_CLE                 0x00000010
+#define  OR_CONTROL_BLE                 0x00000020
+#define  OR_CONTROL_HCFS                0x000000C0
+#define  OR_CONTROL_HC_OPER             0x00000080
+// ----------------- HcCommandStatus Register ----------------- 
+#define  OR_CMD_STATUS_HCR              0x00000001
+#define  OR_CMD_STATUS_CLF              0x00000002
+#define  OR_CMD_STATUS_BLF              0x00000004
+// --------------- HcInterruptStatus Register ----------------- 
+#define  OR_INTR_STATUS_WDH             0x00000002
+#define  OR_INTR_STATUS_RHSC            0x00000040
+#define  OR_INTR_STATUS_UE              0x00000010
+// --------------- HcInterruptEnable Register ----------------- 
+#define  OR_INTR_ENABLE_WDH             0x00000002
+#define  OR_INTR_ENABLE_RHSC            0x00000040
+#define  OR_INTR_ENABLE_MIE             0x80000000
+// ---------------- HcRhDescriptorA Register ------------------ 
+#define  OR_RH_STATUS_LPSC              0x00010000
+#define  OR_RH_STATUS_DRWE              0x00008000
+// -------------- HcRhPortStatus[1:NDP] Register -------------- 
+#define  OR_RH_PORT_CCS                 0x00000001
+#define  OR_RH_PORT_PRS                 0x00000010
+#define  OR_RH_PORT_CSC                 0x00010000
+#define  OR_RH_PORT_PRSC                0x00100000
+#define  OR_RH_PORT_LSDA                0x00000200
+
+
+//
+//**************************************************************************************************************
+//*                                               FRAME INTERVAL
+//**************************************************************************************************************
+//
+
+#define  FI                     0x2EDF           // 12000 bits per frame (-1)
+#define  DEFAULT_FMINTERVAL     ((((6 * (FI - 210)) / 7) << 16) | FI)
+
+//
+//**************************************************************************************************************
+//*                                       ENDPOINT DESCRIPTOR CONTROL FIELDS
+//**************************************************************************************************************
+//
+
+#define  ED_SKIP            (uint32_t) (0x00001000)        // Skip this ep in queue
+
+//
+//**************************************************************************************************************
+//*                                       TRANSFER DESCRIPTOR CONTROL FIELDS
+//**************************************************************************************************************
+//
+
+#define  TD_ROUNDING        (uint32_t) (0x00040000)        // Buffer Rounding                             
+#define  TD_SETUP           (uint32_t)(0)                  // Direction of Setup Packet                   
+#define  TD_IN              (uint32_t)(0x00100000)         // Direction In                                
+#define  TD_OUT             (uint32_t)(0x00080000)         // Direction Out                               
+#define  TD_DELAY_INT(x)    (uint32_t)((x) << 21)          // Delay Interrupt                             
+#define  TD_TOGGLE_0        (uint32_t)(0x02000000)         // Toggle 0                                    
+#define  TD_TOGGLE_1        (uint32_t)(0x03000000)         // Toggle 1                                    
+#define  TD_CC              (uint32_t)(0xF0000000)         // Completion Code                             
+
+//
+//**************************************************************************************************************
+//*                                       USB STANDARD REQUEST DEFINITIONS
+//**************************************************************************************************************
+//
+
+#define  DEVICE_DESCRIPTOR                     (1)
+#define  CONFIGURATION_DESCRIPTOR              (2)
+#define  INTERFACE_DESCRIPTOR                  (4)
+#define  ENDPOINT_DESCRIPTOR                   (5)
+#define  HID_DESCRIPTOR                        (33)
+
+//  ----------- Control RequestType Fields  ----------- 
+#define  USB_DEVICE_TO_HOST         0x80
+#define  USB_HOST_TO_DEVICE         0x00
+#define  USB_REQUEST_TYPE_CLASS     0x20
+#define  USB_RECIPIENT_DEVICE       0x00
+#define  USB_RECIPIENT_INTERFACE    0x01
+
+// -------------- USB Standard Requests  -------------- 
+#define  SET_ADDRESS                 5
+#define  GET_DESCRIPTOR              6
+#define  SET_CONFIGURATION           9
+#define  SET_INTERFACE              11
+
+// -------------- USB Descriptor Length  -------------- 
+#define DEVICE_DESCRIPTOR_LENGTH            0x12
+#define CONFIGURATION_DESCRIPTOR_LENGTH     0x09
+
+
+//
+//**************************************************************************************************************
+//*                                       TYPE DEFINITIONS
+//**************************************************************************************************************
+//
+
+// ----------- HostController EndPoint Descriptor ------------- 
+typedef struct hcEd {               
+    volatile  uint32_t  control;        // Endpoint descriptor control                              
+    volatile  uint32_t  tailTD;         // Physical address of tail in Transfer descriptor list     
+    volatile  uint32_t  headTD;         // Physcial address of head in Transfer descriptor list     
+    volatile  uint32_t  nextED;         // Physical address of next Endpoint descriptor             
+} HCED;
+
+// ------------ HostController Transfer Descriptor ------------ 
+typedef struct hcTd {                       
+    volatile  uint32_t  control;        // Transfer descriptor control                              
+    volatile  uint32_t  currBufPtr;     // Physical address of current buffer pointer               
+    volatile  uint32_t  nextTD;         // Physical pointer to next Transfer Descriptor             
+    volatile  uint32_t  bufEnd;         // Physical address of end of buffer                        
+} HCTD;
+
+// ----------- Host Controller Communication Area ------------  
+typedef struct hcca {                   
+    volatile  uint32_t  IntTable[32];   // Interrupt Table                                          
+    volatile  uint32_t  FrameNumber;    // Frame Number                                             
+    volatile  uint32_t  DoneHead;       // Done Head                                                
+    volatile  uint8_t   Reserved[116];  // Reserved for future use                                  
+    volatile  uint8_t   Unknown[4];     // Unused                                                   
+} HCCA;
+
+
+
+#endif
diff --git a/libraries/net/VodafoneUSBModem/VodafoneUSBModem.cpp b/libraries/net/VodafoneUSBModem/VodafoneUSBModem.cpp
new file mode 100644
index 0000000000..0b7b31c595
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/VodafoneUSBModem.cpp
@@ -0,0 +1,630 @@
+/* VodafoneUSBModem.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#define __DEBUG__ 3
+#ifndef __MODULE__
+#define __MODULE__ "VodafoneUSBModem.cpp"
+#endif
+
+#include "core/fwk.h"
+
+#include "VodafoneUSBModem.h"
+
+VodafoneUSBModem::VodafoneUSBModem(PinName powerGatingPin /*= NC*/, bool powerGatingOnWhenPinHigh /* = true*/) :
+   m_dongle(),                         // Construct WANDongle: USB interface with two serial channels to the modem (USBSerialStream objects)
+   m_atStream(m_dongle.getSerial(1)),  // AT commands are sent down one serial channel.
+   m_pppStream(m_dongle.getSerial(0)), // PPP connections are managed via another serial channel.
+   m_at(&m_atStream),                  // Construct ATCommandsInterface with the AT serial channel
+   m_sms(&m_at),                       // Construct SMSInterface with the ATCommandsInterface
+   m_ussd(&m_at),                      // Construct USSDInterface with the ATCommandsInterface
+   m_linkMonitor(&m_at),               // Construct LinkMonitor with the ATCommandsInterface
+   m_ppp(&m_pppStream),                // Construct PPPIPInterface with the PPP serial channel
+   m_dongleConnected(false),           // Dongle is initially not ready for anything
+   m_ipInit(false),                    // PPIPInterface connection is initially down
+   m_smsInit(false),                   // SMSInterface starts un-initialised
+   m_ussdInit(false),                  // USSDInterface starts un-initialised 
+   m_linkMonitorInit(false),           // LinkMonitor subsystem starts un-initialised
+   m_atOpen(false),                    // ATCommandsInterface starts in a closed state
+   m_powerGatingPin(powerGatingPin),   // set power gating pin
+   m_powerGatingOnWhenPinHigh(powerGatingOnWhenPinHigh) // set state semantics for power gating pin
+{
+  if( m_powerGatingPin != NC )
+  {
+    power(false); //Dongle will have to be powered on manually
+  }
+}
+
+class CREGProcessor : public IATCommandsProcessor
+{
+public:
+  CREGProcessor() : status(STATUS_REGISTERING)
+  {
+
+  }
+  enum REGISTERING_STATUS { STATUS_REGISTERING, STATUS_OK, STATUS_FAILED };
+  REGISTERING_STATUS getStatus()
+  {
+    return status;
+  }
+private:
+  virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line)
+  {
+    int r;
+    if( sscanf(line, "+CREG: %*d,%d", &r) == 1 )
+    {
+      switch(r)
+      {
+      case 1:
+      case 5:
+        status = STATUS_OK;
+        break;
+      case 0:
+      case 2:
+        status = STATUS_REGISTERING;
+        break;
+      case 3:
+      default:
+        status = STATUS_FAILED;
+        break;
+      }
+    }
+    return OK;
+  }
+  virtual int onNewEntryPrompt(ATCommandsInterface* pInst)
+  {
+    return OK;
+  }
+  volatile REGISTERING_STATUS status;
+};
+
+#if 0
+class COPSProcessor : public IATCommandsProcessor
+{
+public:
+  COPSProcessor() : valid(false)
+  {
+    network[0] = '\0';
+    apn[0] = '\0';
+    bearer[0] = '\0';
+  }
+  char* getNetwork()
+  {
+    return network;
+  }
+  char* getAPN()
+  {
+    return apn;
+  }
+  char* getBearer()
+  {
+    return bearer;
+  }
+  bool isValid()
+  {
+    return valid;
+  }
+private:
+  virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line)
+  {
+    int networkId;
+    int bearerId;
+    int s = sscanf(line, "+COPS: %*d,%*d,\"%d\",%d", &networkId, &bearerId);
+    if( s == 2 )
+    {
+      switch(networkId)
+      {
+      case 23415:
+        strcpy(network, "Vodafone UK");
+        strcpy(apn, "pp.vodafone.co.uk");
+        valid = true;
+        break;
+      case 20810:
+        strcpy(network, "SFR FR");
+        strcpy(apn, "websfr");
+        valid = true;
+        break;
+      default:
+        break;
+      }
+    }
+    else
+    {
+      return OK;
+    }
+    switch(bearerId)
+    {
+    case 0: strcpy(bearer, "GSM"); break;
+    case 1: strcpy(bearer, "GSM Compact"); break;
+    case 2: strcpy(bearer, "UTRAN"); break;
+    case 3: strcpy(bearer, "GSM w/EGPRS"); break;
+    case 4: strcpy(bearer, "UTRAN w/HSDPA"); break;
+    case 5: strcpy(bearer, "UTRAN w/HSUPA"); break;
+    case 6: strcpy(bearer, "UTRAN w/HSDPA and HSUPA"); break;
+    case 7: strcpy(bearer, "E-UTRAN"); break;
+
+    default:
+      break;
+    }
+    return OK;
+  }
+  virtual int onNewEntryPrompt(ATCommandsInterface* pInst)
+  {
+    return OK;
+  }
+  char network[24];
+  char bearer[24];
+  char apn[24];
+  volatile bool valid;
+};
+#endif
+
+int VodafoneUSBModem::connect(const char* apn, const char* user, const char* password)
+{
+  if( !m_ipInit )
+  {
+    m_ipInit = true;
+    m_ppp.init();
+  }
+  m_ppp.setup(user, password);
+
+  int ret = init();
+  if(ret)
+  {
+    return ret;
+  }
+
+  #if USE_ONE_PORT
+  m_smsInit = false; //SMS status reset
+  m_ussdInit = false; //USSD status reset
+  m_linkMonitorInit = false; //Link monitor status reset
+  #endif
+
+  ATCommandsInterface::ATResult result;
+
+  #if 0
+  //Get network info & select corresponding APN
+  COPSProcessor copsProcessor;
+  DBG("Get network info & select APN from DB");
+  ret = m_at.execute("AT+COPS=,2;+COPS?", &copsProcessor, &result); //Configure to get operator's info in numeric code & get operator's id
+  DBG("Result of command: Err code=%d", ret);
+  DBG("ATResult: AT return=%d (code %d)", result.result, result.code);
+
+  if(!copsProcessor.isValid())
+  {
+    WARN("Connected to an unknown network, try to connect with default parameters");
+    DBG("Connected with %s", copsProcessor.getBearer());
+  }
+  else
+  {
+    DBG("Connected to %s with %s", copsProcessor.getNetwork(), copsProcessor.getBearer());
+    char cmd[48];
+    int tries = 3;
+    sprintf(cmd, "AT+CGDCONT=1,\"IP\",\"%s\"", copsProcessor.getAPN());
+    do //Try 3 times because for some reasons it can fail with the K3772-Z dongle
+    {
+      ret = m_at.executeSimple(cmd, &result);
+      DBG("Result of command: Err code=%d", ret);
+    } while(ret && --tries);
+    DBG("ATResult: AT return=%d (code %d)", result.result, result.code);
+    DBG("APN set to %s", copsProcessor.getAPN());
+  }
+  #else
+  if(apn != NULL)
+  {
+    char cmd[48];
+    int tries = 30;
+    sprintf(cmd, "AT+CGDCONT=1,\"IP\",\"%s\"", apn);
+    do //Try 30 times because for some reasons it can fail *a lot* with the K3772-Z dongle
+    {
+      ret = m_at.executeSimple(cmd, &result);
+      DBG("Result of command: Err code=%d", ret);
+      if(ret)
+      {
+        Thread::wait(500);
+      }
+    } while(ret && --tries);
+    DBG("ATResult: AT return=%d (code %d)", result.result, result.code);
+    DBG("APN set to %s", apn);
+  }
+  #endif
+
+
+  //Connect
+  DBG("Connecting");
+  #if 0
+  ret = m_at.executeSimple("ATDT *99#", &result);
+  DBG("Result of command: Err code=%d", ret);
+  DBG("ATResult: AT return=%d (code %d)", result.result, result.code);
+  #endif
+  #if USE_ONE_PORT
+  m_at.close(); // Closing AT parser
+  m_atOpen = false; //Will need to be reinitialized afterwards
+  #endif
+
+  #if 0
+  DBG("AT Parser closed");
+  if( (ret!=NET_MOREINFO) || (result.result != ATCommandsInterface::ATResult::AT_CONNECT))
+  {
+    ERR("Could not connect");
+    return ret; //Could not connect
+  }
+  #endif
+  DBG("Connecting PPP");
+
+  ret = m_ppp.connect();
+  DBG("Result of connect: Err code=%d", ret);
+  return ret;
+}
+
+
+int VodafoneUSBModem::disconnect()
+{
+  DBG("Disconnecting from PPP");
+  int ret = m_ppp.disconnect();
+  if(ret)
+  {
+    ERR("Disconnect returned %d, still trying to disconnect", ret);
+  }
+
+  //Ugly but leave dongle time to recover
+  Thread::wait(500);
+
+  #if USE_ONE_PORT
+  ATCommandsInterface::ATResult result;
+  DBG("Starting AT thread");
+  ret = m_at.open();
+  if(ret)
+  {
+    return ret;
+  }
+  #endif
+
+  DBG("Trying to hangup");
+
+  #if 0 //Does not appear to work
+  int tries = 10;
+  do
+  {
+    ret = m_at.executeSimple("+++", &result, 1000);
+    DBG("Result of command: Err code=%d\n", ret);
+    DBG("ATResult: AT return=%d (code %d)\n", result.result, result.code);
+  } while(tries-- && ret);
+  if(!ret)
+  {
+    ret = m_at.executeSimple("ATH", &result);
+    DBG("Result of command: Err code=%d\n", ret);
+    DBG("ATResult: AT return=%d (code %d)\n", result.result, result.code);
+  }
+  #endif
+
+  #if USE_ONE_PORT
+  //Reinit AT parser
+  ret = m_at.init();
+  DBG("Result of command: Err code=%d\n", ret);
+  if(ret)
+  {
+    m_at.close(); // Closing AT parser
+    DBG("AT Parser closed, could not complete disconnection");
+    return NET_TIMEOUT;
+  }
+
+  #if 0
+  m_at.close(); // Closing AT parser
+  DBG("AT Parser closed");
+  #endif
+  #endif
+  return OK;
+}
+
+int VodafoneUSBModem::sendSM(const char* number, const char* message)
+{
+  int ret = init();
+  if(ret)
+  {
+    return ret;
+  }
+
+  if(!m_smsInit)
+  {
+    ret = m_sms.init();
+    if(ret)
+    {
+      return ret;
+    }
+    m_smsInit = true;
+  }
+
+  ret = m_sms.send(number, message);
+  if(ret)
+  {
+    return ret;
+  }
+
+  return OK;
+}
+
+int VodafoneUSBModem::getSM(char* number, char* message, size_t maxLength)
+{
+  int ret = init();
+  if(ret)
+  {
+    return ret;
+  }
+
+  if(!m_smsInit)
+  {
+    ret = m_sms.init();
+    if(ret)
+    {
+      return ret;
+    }
+    m_smsInit = true;
+  }
+
+  ret = m_sms.get(number, message, maxLength);
+  if(ret)
+  {
+    return ret;
+  }
+
+  return OK;
+}
+
+int VodafoneUSBModem::getSMCount(size_t* pCount)
+{
+  int ret = init();
+  if(ret)
+  {
+    return ret;
+  }
+
+  if(!m_smsInit)
+  {
+    ret = m_sms.init();
+    if(ret)
+    {
+      return ret;
+    }
+    m_smsInit = true;
+  }
+
+  ret = m_sms.getCount(pCount);
+  if(ret)
+  {
+    return ret;
+  }
+
+  return OK;
+}
+
+int VodafoneUSBModem::sendUSSD(const char* command, char* result, size_t maxLength)
+{
+  int ret = init();
+  if(ret)
+  {
+    return ret;
+  }
+
+  if(!m_ussdInit)
+  {
+    ret = m_ussd.init();
+    if(ret)
+    {
+      return ret;
+    }
+    m_ussdInit = true;
+  }
+
+  ret = m_ussd.send(command, result, maxLength);
+  if(ret)
+  {
+    return ret;
+  }
+
+  return OK;
+}
+
+int VodafoneUSBModem::getLinkState(int* pRssi, LinkMonitor::REGISTRATION_STATE* pRegistrationState, LinkMonitor::BEARER* pBearer)
+{
+  int ret = init();
+  if(ret)
+  {
+    return ret;
+  }
+  
+  if(!m_linkMonitorInit)
+  {
+    ret = m_linkMonitor.init();
+    if(ret)
+    {
+      return ret;
+    }
+    m_linkMonitorInit = true;
+  }
+
+  ret = m_linkMonitor.getState(pRssi, pRegistrationState, pBearer);
+  if(ret)
+  {
+    return ret;
+  }
+
+  return OK;
+}
+
+
+ATCommandsInterface* VodafoneUSBModem::getATCommandsInterface()
+{
+  return &m_at;
+}
+
+int VodafoneUSBModem::power(bool enable)
+{
+  if( m_powerGatingPin == NC )
+  {
+    return NET_INVALID; //A pin name has not been provided in the constructor
+  }
+
+  if(!enable) //Will force components to re-init
+  {
+    cleanup();
+  }
+  
+  DigitalOut powerGatingOut(m_powerGatingPin);
+  powerGatingOut = m_powerGatingOnWhenPinHigh?enable:!enable;
+
+  return OK;
+}
+
+bool VodafoneUSBModem::power()
+{
+  if( m_powerGatingPin == NC )
+  {
+    return true; //Assume power is always on 
+  }
+  
+  DigitalOut powerGatingOut(m_powerGatingPin);
+  return m_powerGatingOnWhenPinHigh?powerGatingOut:!powerGatingOut;
+}
+
+int VodafoneUSBModem::init()
+{
+  if( !m_dongleConnected )
+  {
+    if(!power())
+    {
+      //Obviously cannot initialize the dongle if it is disconnected...
+      ERR("Power is off");
+      return NET_INVALID;
+    }
+    m_dongleConnected = true;
+    while( !m_dongle.connected() )
+    {
+      m_dongle.tryConnect();
+      Thread::wait(10);
+    }
+  }
+
+  if(m_atOpen)
+  {
+    return OK;
+  }
+  
+  DBG("Starting AT thread if needed");
+  int ret = m_at.open();
+  if(ret)
+  {
+    return ret;
+  }
+  
+  DBG("Sending initialisation commands");
+  ret = m_at.init();
+  if(ret)
+  {
+    return ret;
+  }
+
+  if(m_dongle.getDongleType() == WAN_DONGLE_TYPE_VODAFONEK3770)
+  {
+    INFO("Using a Vodafone K3770 Dongle");
+    #if USE_ONE_PORT
+    DBG("Configuring unsolicited result codes support properly");
+    //Configuring port to enable 3GPP-compliant unsollicited response codes but disable Huawei-specific unsollicited response codes
+    ret = m_at.executeSimple("AT^CURC=0;^PORTSEL=1", NULL); //Huawei-specific, not 3GPP-compliant
+    if(ret != OK)
+    {
+      return NET_PROTOCOL;
+    }
+    #else
+    //Configuring port to disable Huawei-specific unsollicited response codes
+    ret = m_at.executeSimple("AT^CURC=0", NULL); //Huawei-specific, not 3GPP-compliant
+    if(ret != OK)
+    {
+      return NET_PROTOCOL;
+    }  
+    #endif
+  }
+  else if(m_dongle.getDongleType() == WAN_DONGLE_TYPE_VODAFONEK3772Z)
+  {
+    INFO("Using a Vodafone K3772-Z Dongle");
+    //FIXME this returns %USBMODEM: [0] MODEM DRIVEROK which is not a compliant response
+    /*
+    //Configuring modem to directly boot into modem mode
+    ret = m_at.executeSimple("AT%USBMODEM=0", NULL); //Icera-specific, not 3GPP-compliant
+    if(ret != OK)
+    {
+      return NET_PROTOCOL;
+    }
+    */
+  }
+  else
+  {
+    WARN("Using an Unknown Dongle");
+  }
+
+  ATCommandsInterface::ATResult result;
+
+  //Wait for network registration
+  CREGProcessor cregProcessor;
+  do
+  {
+    DBG("Waiting for network registration");
+    ret = m_at.execute("AT+CREG?", &cregProcessor, &result);
+    DBG("Result of command: Err code=%d\n", ret);
+    DBG("ATResult: AT return=%d (code %d)\n", result.result, result.code);
+    if(cregProcessor.getStatus() == CREGProcessor::STATUS_REGISTERING)
+    {
+      Thread::wait(3000);
+    }
+  } while(cregProcessor.getStatus() == CREGProcessor::STATUS_REGISTERING);
+  if(cregProcessor.getStatus() == CREGProcessor::STATUS_FAILED)
+  {
+    ERR("Registration denied");
+    return NET_AUTH;
+  }
+
+  m_atOpen = true;
+
+  return OK;
+}
+
+int VodafoneUSBModem::cleanup()
+{
+  if(m_ppp.isConnected())
+  {
+    WARN("Data connection is still open"); //Try to encourage good behaviour from the user
+    m_ppp.disconnect(); 
+  }
+  
+  m_smsInit = false;
+  m_ussdInit = false;
+  m_linkMonitorInit = false;
+  //We don't reset m_ipInit as PPPIPInterface::init() only needs to be called once
+  
+  if(m_atOpen)
+  {
+    m_at.close();
+    m_atOpen = false;
+  }
+  
+  m_dongle.disconnect();
+  m_dongleConnected = false;
+  
+  return OK;
+}
+
diff --git a/libraries/net/VodafoneUSBModem/VodafoneUSBModem.h b/libraries/net/VodafoneUSBModem/VodafoneUSBModem.h
new file mode 100644
index 0000000000..c93d027884
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/VodafoneUSBModem.h
@@ -0,0 +1,154 @@
+/* VodafoneUSBModem.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef VODAFONEUSBMODEM_H_
+#define VODAFONEUSBMODEM_H_
+
+#include "core/fwk.h"
+
+#include "WANDongle.h"
+#include "at/ATCommandsInterface.h"
+#include "serial/usb/USBSerialStream.h"
+#include "ip/PPPIPInterface.h"
+#include "sms/SMSInterface.h"
+#include "ussd/USSDInterface.h"
+#include "link/LinkMonitor.h"
+
+/** Vodafone USB Modem (K3770/K3772-Z) dongle
+ */
+class VodafoneUSBModem
+{
+public:
+  /** Create Vodafone USB Modem (K3770/K3772-Z) dongle API instance
+      @param powerGatingPin Optional pin commanding a power gating transistor on the modem's power line 
+      @param powerGatingOnWhenPinHigh true if the pin needs to be high to power the dongle, defaults to true
+   */
+  VodafoneUSBModem(PinName powerGatingPin = NC, bool powerGatingOnWhenPinHigh = true);
+
+  //Internet-related functions
+
+  /** Open a 3G internet connection
+      @return 0 on success, error code on failure
+  */
+  int connect(const char* apn = NULL, const char* user = NULL, const char* password = NULL);
+
+  /** Close the internet connection
+     @return 0 on success, error code on failure
+  */
+  int disconnect();
+
+
+  /** Send a SM
+     @param number The receiver's phone number
+     @param message The message to send
+     @return 0 on success, error code on failure
+   */
+  int sendSM(const char* number, const char* message);
+
+
+  /** Receive a SM
+     @param number Pointer to a buffer to store the sender's phone number (must be at least 17 characters-long, including the sapce for the null-terminating char)
+     @param message Pointer to a buffer to store the the incoming message
+     @param maxLength Maximum message length that can be stored in buffer (including null-terminating character)
+     @return 0 on success, error code on failure
+   */
+  int getSM(char* number, char* message, size_t maxLength);
+
+  /** Get the number of SMs in the incoming box
+     @param pCount pointer to store the number of unprocessed SMs on
+     @return 0 on success, error code on failure
+   */
+  int getSMCount(size_t* pCount);
+
+  /** Send a USSD command & wait for its result
+    @param command The command to send
+    @param result Buffer in which to store the result
+    @param maxLength Maximum result length that can be stored in buffer (including null-terminating character)
+    @return 0 on success, error code on failure
+  */
+  int sendUSSD(const char* command, char* result, size_t maxLength);
+  
+  /** Get link state
+    @param pRssi pointer to store the current RSSI in dBm, between -51 dBm and -113 dBm if known; -51 dBm means -51 dBm or more; -113 dBm means -113 dBm or less; 0 if unknown
+    @param pRegistrationState pointer to store the current registration state
+    @param pBearer pointer to store the current bearer
+    @return 0 on success, error code on failure
+  */
+  int getLinkState(int* pRssi, LinkMonitor::REGISTRATION_STATE* pRegistrationState, LinkMonitor::BEARER* pBearer);  
+
+  /** Get the ATCommandsInterface instance
+    @return Pointer to the ATCommandsInterface instance
+   */
+  ATCommandsInterface* getATCommandsInterface();
+  
+  /** Switch power on or off
+    In order to use this function, a pin name must have been entered in the constructor
+    @param enable true to switch the dongle on, false to switch it off
+    @return 0 on success, error code on failure
+  */
+  int power(bool enable);
+
+protected:
+  bool power(); //< Turn power to USB dongle ON.
+
+  /** Initialise dongle.
+   * The following actions are performed:
+   * 1) Power up
+   * 2) Establish USB connection to dongle
+   * 3) Start AT interface thread
+   * 4) Wait for network registration
+   */
+  int init();
+  
+  /** De-initialise dongle.
+   * The following actions are performed:
+   * 1) Tear down PPP session
+   * 2) Set SMS,USSD, and LinkMonitor subsystems to un-initialised
+   * 3) Close the AT commands interface
+   * 4) Tear down the USB connection to dongle
+   */
+  int cleanup();
+
+private:
+  WANDongle m_dongle;          //< Interface to USB connected WAN dongle
+  
+  USBSerialStream m_atStream;  //< Serial interface to AT channel on modem
+  USBSerialStream m_pppStream; //< Serial interface to PPP channel on modem
+  
+  ATCommandsInterface m_at;    //< Interface to AT commands processing
+  
+  SMSInterface m_sms;          //< Interface to SMS manager (send/receive etc)
+  USSDInterface m_ussd;        //< Interface to USSD manager (send etc)
+  LinkMonitor m_linkMonitor;   //< Interface to link monitor (RSSI)
+  
+  PPPIPInterface m_ppp;        //< Interface to PPP conection manager (IP assignment etc)
+
+  bool m_dongleConnected; //< Is the dongle physically connected (does the USB stack respond)? true/false
+  bool m_ipInit;          //< Has PPIPInterface object (m_ppp) been initialised? true/false
+  bool m_smsInit;         //< Has SMSInterface object (m_sms) been initialised? true/false
+  bool m_ussdInit;        //< Has USSDInterface object (m_ussd) been initialised? true/false
+  bool m_linkMonitorInit; //< Has LinkMonitor object (m_linkMonitor) been initialised? true/false
+  bool m_atOpen;          //< Is the interface to the ATCommandsInterface open? true/false
+  
+  PinName m_powerGatingPin;        //< Pin which toggles power gating
+  bool m_powerGatingOnWhenPinHigh; //< Semantics of power gating (whether high or low toggles power gating)
+};
+
+
+#endif /* VODAFONEUSBMODEM_H_ */
diff --git a/libraries/net/VodafoneUSBModem/at/ATCommandsInterface.cpp b/libraries/net/VodafoneUSBModem/at/ATCommandsInterface.cpp
new file mode 100644
index 0000000000..e101a8171f
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/at/ATCommandsInterface.cpp
@@ -0,0 +1,895 @@
+/* ATCommandsInterface.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#define __DEBUG__  2 //ERR+WARN
+#ifndef __MODULE__
+#define __MODULE__ "ATCommandsInterface.cpp"
+#endif
+
+#include "core/fwk.h"
+
+#include 
+#include  //For memset, strstr...
+
+using std::memmove;
+
+#include "ATCommandsInterface.h"
+
+ATCommandsInterface::ATCommandsInterface(IOStream* pStream) :
+   m_pStream(pStream), m_open(false), m_env2AT(), m_AT2Env(), m_processingMtx(),
+   m_processingThread(&ATCommandsInterface::staticCallback, this, (osPriority)AT_THREAD_PRIORITY, 4*192),
+   m_eventsMgmtMtx(), m_eventsProcessingMtx()
+{
+  memset(m_eventsHandlers, 0, MAX_AT_EVENTS_HANDLERS * sizeof(IATEventsHandler*));
+
+  m_processingMtx.lock();
+}
+
+//Open connection to AT Interface in order to execute command & register/unregister events
+int ATCommandsInterface::open()
+{
+  if( m_open )
+  {
+    WARN("AT interface is already open");
+    return OK;
+  }
+  DBG("Opening AT interface");
+  //Start processing
+  m_processingThread.signal_set(AT_SIG_PROCESSING_START);
+
+  m_processingMtx.unlock();
+
+  m_open = true;
+
+  DBG("AT interface opened");
+  
+  return OK;
+}
+
+//Initialize AT link & start events processing
+int ATCommandsInterface::init()
+{
+  DBG("Sending ATZ E1 V1");
+  
+  //Lock transaction mutex
+  m_transactionMtx.lock();
+  
+  //Should we flush m_pStream at this point ???
+  int err;
+  int tries = 5;
+  do
+  {
+    err = executeInternal("ATZ E1 V1", this, NULL, 3000); //Enable echo and verbosity
+    if(err && tries)
+    {
+      WARN("No response, trying again");
+      Thread::wait(1000); //Give dongle time to recover
+    }
+  } while(err && tries--);
+  if( err )
+  {
+    ERR("Sending ATZ E1 V1 returned with err code %d", err);
+    m_transactionMtx.unlock();
+    return err;
+  }
+  
+  //Enable events handling and execute events enabling commands
+  enableEvents();
+
+  DBG("AT interface initialized");
+  
+  //Unlock transaction mutex
+  m_transactionMtx.unlock();
+
+  return OK;
+}
+
+//Close connection
+int ATCommandsInterface::close()
+{
+  if( !m_open )
+  {
+    WARN("AT interface is already closed");
+    return OK;
+  }
+
+  DBG("Closing AT interface");
+  
+  //Lock transaction mutex
+  m_transactionMtx.lock();
+  
+  //Disable events handling and advertize this to the events handlers
+  disableEvents();
+
+  //Stop processing
+  m_processingThread.signal_set(AT_SIG_PROCESSING_STOP);
+  //m_stopSphre.release();
+
+  int* msg = m_env2AT.alloc(osWaitForever);
+  *msg = AT_STOP;
+  m_env2AT.put(msg); //Used to unstall the process if needed
+
+  //Unlock process routine (abort read)
+  m_pStream->abortRead(); //This is thread-safe
+  m_processingMtx.lock();
+  m_open = false;
+  
+  //Unlock transaction mutex
+  m_transactionMtx.unlock();
+
+  DBG("AT interface closed");
+  return OK;
+}
+
+bool ATCommandsInterface::isOpen()
+{
+  return m_open;
+}
+
+int ATCommandsInterface::executeSimple(const char* command, ATResult* pResult, uint32_t timeout/*=1000*/)
+{
+  return execute(command, this, pResult, timeout);
+}
+
+int ATCommandsInterface::execute(const char* command, IATCommandsProcessor* pProcessor, ATResult* pResult, uint32_t timeout/*=1000*/)
+{
+  if(!m_open)
+  {
+    WARN("Interface is not open!");
+    return NET_INVALID;
+  }
+
+  //Lock transaction mutex
+  m_transactionMtx.lock();
+  
+  disableEvents(); //Disable unsollicited result codes
+  int ret = executeInternal(command, pProcessor, pResult, timeout);
+  enableEvents(); //Re-enable unsollicited result codes whatever the result of the command is
+  
+  //Unlock transaction mutex
+  m_transactionMtx.unlock();
+  
+  return ret;
+}
+
+int ATCommandsInterface::registerEventsHandler(IATEventsHandler* pHdlr)
+{
+  m_eventsMgmtMtx.lock();
+  m_eventsProcessingMtx.lock();
+  for(int i = 0; i < MAX_AT_EVENTS_HANDLERS; i++) //Find a free slot
+  {
+    if( m_eventsHandlers[i] == NULL )
+    {
+      m_eventsHandlers[i] = pHdlr;
+      m_eventsProcessingMtx.unlock();
+      m_eventsMgmtMtx.unlock();
+      return OK;
+    }
+  }
+  m_eventsProcessingMtx.unlock();
+  m_eventsMgmtMtx.unlock();
+  return NET_OOM; //No room left
+}
+
+int ATCommandsInterface::deregisterEventsHandler(IATEventsHandler* pHdlr)
+{
+  m_eventsMgmtMtx.lock();
+  m_eventsProcessingMtx.lock();
+  for(int i = 0; i < MAX_AT_EVENTS_HANDLERS; i++) //Find handler in list
+  {
+    if( m_eventsHandlers[i] == pHdlr )
+    {
+      m_eventsHandlers[i] = NULL;
+      m_eventsProcessingMtx.unlock();
+      m_eventsMgmtMtx.unlock();
+      return OK;
+    }
+  }
+  m_eventsProcessingMtx.unlock();
+  m_eventsMgmtMtx.unlock();
+  return NET_NOTFOUND; //Not found
+}
+
+//Private methods
+
+int ATCommandsInterface::executeInternal(const char* command, IATCommandsProcessor* pProcessor, ATResult* pResult, uint32_t timeout/*=1000*/)
+{
+  DBG("Executing command %s", command);
+
+  //Discard previous result if it arrived too late
+  osEvent evt = m_AT2Env.get(0);
+
+  if(evt.status == osEventMail)
+  {
+    m_AT2Env.free((int*)evt.value.p);
+    WARN("Previous result discarded");
+  }
+
+  //Send params to the process routine
+  m_transactionCommand = command;
+  if(pProcessor != NULL)
+  {
+    m_pTransactionProcessor = pProcessor;
+  }
+  else
+  {
+    m_pTransactionProcessor = this; //Use default behaviour
+  }
+
+  DBG("Sending command ready signal to AT thread & aborting current blocking read operation");
+
+  //Produce command ready signal
+  int* msg = m_env2AT.alloc(osWaitForever);
+  *msg = AT_CMD_READY;
+  m_env2AT.put(msg);
+
+  DBG("Trying to enter abortRead()");
+  //Unlock process routine (abort read)
+  m_pStream->abortRead(); //This is thread-safe
+
+  //Wait for a result (get result message)
+  evt = m_AT2Env.get(timeout);
+
+  if(evt.status != osEventMail)
+  {
+    //Cancel request
+    msg = m_env2AT.alloc(osWaitForever);
+    *msg = AT_TIMEOUT;
+    m_env2AT.put(msg);
+
+    DBG("Trying to enter abortRead()");
+    //Unlock process routine (abort read)
+    m_pStream->abortRead(); //This is thread-safe
+    
+    //Wait for acknowledge
+    int msgResult;
+    do
+    {
+      evt = m_AT2Env.get(osWaitForever);
+      msgResult = *((int*) evt.value.p);
+      m_AT2Env.free((int*)evt.value.p);
+    } while(msgResult != AT_TIMEOUT);  
+
+    WARN("Command returned no message");
+    return NET_TIMEOUT;
+  }
+  DBG("Command returned with message %d", *msg);
+
+  m_AT2Env.free((int*)evt.value.p);
+
+  if(pResult != NULL)
+  {
+    *pResult = m_transactionResult;
+  }
+
+  int ret = ATResultToReturnCode(m_transactionResult);
+  if(ret != OK)
+  {
+    WARN("Command returned AT result %d with code %d", m_transactionResult.result, m_transactionResult.code);
+  }
+
+  DBG("Command returned successfully");
+
+  return ret;
+}
+
+int ATCommandsInterface::tryReadLine()
+{
+  static bool lineDetected = false;
+
+  //Block on serial read or incoming command
+  DBG("Trying to read a new line from stream");
+  int ret = m_pStream->waitAvailable(); //This can be aborted
+  size_t readLen = 0;
+  if(ret == OK)
+  {
+    ret = m_pStream->read((uint8_t*)m_inputBuf + m_inputPos, &readLen, AT_INPUT_BUF_SIZE - 1 - m_inputPos, 0); //Do NOT wait at this point
+  }
+  if(ret == OK)
+  {
+    m_inputPos+=readLen;
+    m_inputBuf[m_inputPos] = '\0'; //Add null terminating character to ease the use of str* functions
+    DBG("In buffer: [%s]", m_inputBuf);
+  }
+
+  if( ret == NET_INTERRUPTED ) //It is worth checking readLen as data might have been read even though the read was interrupted
+  {
+    DBG("Read was interrupted");
+    return NET_INTERRUPTED; //0 chars were read
+  }
+  else if(readLen == 0)
+  {
+    DBG("Nothing read");
+    return OK; //0 chars were read
+  }
+
+  DBG("Trying to process incoming line");
+  bool lineProcessed = false;
+
+  do
+  {
+    lineProcessed = false; //Reset flag
+
+    DBG("New iteration");
+
+    //Look for a new line
+    if(!lineDetected)
+    {
+      DBG("No line detected yet");
+      //Try to look for a starting CRLF
+      char* crPtr = strchr(m_inputBuf, CR);
+      /*
+      Different cases at this point:
+      - CRLF%c sequence: this is the start of a line
+      - CRLFCR(LF) sequence: this is the end of a line (followed by the beginning of the next one)
+      - LF: this is the trailing LF char of the previous line, discard
+      - CR / CRLF incomplete sequence: more data is needed to determine which action to take
+      - %c ... CR sequence: this should be the echo of the previous sequence
+      - %c sequence: This might be the echo of the previous command; more data is needed to determine which action to take
+
+      In every case, move mem at the beginning
+      */
+      if(crPtr != NULL)
+      {
+        DBG("CR char found");
+
+#if 0
+        //Discard all preceding characters (can do nothing if m_inputBuf == crPtr)
+        memmove(m_inputBuf, crPtr, (m_inputPos + 1) - (crPtr-m_inputBuf)); //Move null-terminating char as well
+        m_inputPos = m_inputPos - (crPtr-m_inputBuf); //Adjust m_inputPos
+#endif
+
+        //If the line starts with CR, this should be a result code
+        if( crPtr == m_inputBuf )
+        {
+          //To determine the sequence we need at least 3 chars
+          if(m_inputPos >= 3)
+          {
+            //Look for a LF char next to the CR char
+            if(m_inputBuf[1] == LF)
+            {
+              //At this point we can check whether this is the end of a preceding line or the beginning of a new one
+              if(m_inputBuf[2] != CR)
+              {
+                DBG("Beginning of new line found");
+                //Beginning of a line
+                lineDetected = true; //Move to next state-machine step
+              }
+              else
+              {
+                //End of an unprocessed line
+                WARN("End of unprocessed line");
+              }
+              //In both cases discard CRLF
+              DBG("Discarding CRLF");
+              memmove(m_inputBuf, m_inputBuf + 2, (m_inputPos + 1) - 2); //Move null-terminating char as well
+              m_inputPos = m_inputPos - 2; //Adjust m_inputPos
+            }
+            else
+            {
+              //This is completely unexpected, discard the CR char to try to recover good state
+              WARN("Unexpected %c char (%02d code) found after CR char", m_inputBuf[1]);
+              memmove(m_inputBuf, m_inputBuf + 1, (m_inputPos + 1) - 1); //Move null-terminating char as well
+              m_inputPos = m_inputPos - 1; //Adjust m_inputPos
+            }
+          }
+        }
+        //if the line does NOT begin with CR, this can be an echo of the previous command, process it
+        else
+        {
+          int crPos = crPtr - m_inputBuf;
+          int lfOff = 0; //Offset for LF if present
+          DBG("New line found (possible echo of command)");
+          //This is the end of line
+          //Replace m_inputBuf[crPos] with null-terminating char
+          m_inputBuf[crPos] = '\0';
+          //Check if there is a LF char afterwards
+          if(m_inputPos - crPos >= 1)
+          {
+            if(m_inputBuf[crPos+1] == LF)
+            {
+              lfOff++; //We will discard LF char as well
+            }
+          }
+          //Process line
+          int ret = processReadLine();
+          if(ret)
+          {
+            m_inputPos = 0;
+            m_inputBuf[0] = '\0'; //Always have a null-terminating char at start of buffer
+            lineDetected = false;
+            return ret;
+          }
+
+          //If sendData has been called, all incoming data has been discarded
+          if(m_inputPos > 0)
+          {
+            memmove(m_inputBuf, m_inputBuf + crPos + lfOff + 1, (m_inputPos + 1) - (crPos + lfOff + 1)); //Move null-terminating char as well
+            m_inputPos = m_inputPos - (crPos + lfOff + 1); //Adjust m_inputPos
+          }
+          DBG("One line was successfully processed");
+          lineProcessed = true; //Line was processed with success
+          lineDetected = false; //Search now for a new line
+        }
+      }
+      else if(m_inputBuf[0] == LF) //If there is a remaining LF char from the previous line, discard it
+      {
+        DBG("Discarding single LF char");
+        memmove(m_inputBuf, m_inputBuf + 1, (m_inputPos + 1) - 1); //Move null-terminating char as well
+        m_inputPos = m_inputPos - 1; //Adjust m_inputPos
+      }
+    }
+
+    //Look for the end of line
+    if(lineDetected)
+    {
+      DBG("Looking for end of line");
+      //Try to look for a terminating CRLF
+      char* crPtr = strchr(m_inputBuf, CR);
+      /*
+      Different cases at this point:
+      - CRLF sequence: this is the end of the line
+      - CR%c sequence : unexpected
+      - CR incomplete sequence: more data is needed to determine which action to take
+      */
+
+      //Try to look for a '>' (greater than character) that marks an entry prompt
+      char* greaterThanPtr = strchr(m_inputBuf, GD);
+      /*
+      This character must be detected as there is no CRLF sequence at the end of an entry prompt
+       */
+
+      if(crPtr != NULL)
+      {
+        DBG("CR char found");
+        int crPos = crPtr - m_inputBuf;
+        //To determine the sequence we need at least 2 chars
+        if(m_inputPos - crPos >= 2)
+        {
+          //Look for a LF char next to the CR char
+          if(m_inputBuf[crPos + 1] == LF)
+          {
+            DBG("End of new line found");
+            //This is the end of line
+            //Replace m_inputBuf[crPos] with null-terminating char
+            m_inputBuf[crPos] = '\0';
+            //Process line
+            int ret = processReadLine();
+            if(ret)
+            {
+              m_inputPos = 0;
+              m_inputBuf[0] = '\0'; //Always have a null-terminating char at start of buffer
+              lineDetected = false;
+              return ret;
+            }
+
+            //If sendData has been called, all incoming data has been discarded
+            if(m_inputPos > 0)
+            {
+              //Shift remaining data to beginning of buffer
+              memmove(m_inputBuf, m_inputBuf + crPos + 2, (m_inputPos + 1) - (crPos + 2)); //Move null-terminating char as well
+              m_inputPos = m_inputPos - (crPos + 2); //Adjust m_inputPos
+            }
+
+            DBG("One line was successfully processed");
+            lineProcessed = true; //Line was processed with success
+          }
+          else
+          {
+            //This is completely unexpected, discard all chars till the CR char to try to recover good state
+            WARN("Unexpected %c char (%02d code) found in incoming line", m_inputBuf[crPos + 1]);
+            memmove(m_inputBuf, m_inputBuf + crPos + 1, (m_inputPos + 1) - (crPos + 1)); //Move null-terminating char as well
+            m_inputPos = m_inputPos - (crPos + 1); //Adjust m_inputPos
+          }
+          lineDetected = false; //In both case search now for a new line
+        }
+      }
+      else if(greaterThanPtr != NULL)
+      {
+        DBG("> char found");
+        int gdPos = greaterThanPtr - m_inputBuf;
+        //To determine the sequence we need at least 2 chars
+        if(m_inputPos - gdPos >= 2)
+        {
+          //Look for a space char next to the GD char
+          if(m_inputBuf[gdPos + 1] == ' ')
+          {
+            //This is an entry prompt
+            //Replace m_inputBuf[gdPos] with null-terminating char
+            m_inputBuf[gdPos] = '\0';
+
+            //Shift remaining data to beginning of buffer
+            memmove(m_inputBuf, m_inputBuf + gdPos + 1, (m_inputPos + 1) - (gdPos + 1)); //Move null-terminating char as well
+            m_inputPos = m_inputPos - (gdPos + 1); //Adjust m_inputPos
+
+            //Process prompt
+            ret = processEntryPrompt();
+            if(ret)
+            {
+              m_inputPos = 0;
+              m_inputBuf[0] = '\0'; //Always have a null-terminating char at start of buffer
+              lineDetected = false;
+              return ret;
+            }
+
+            DBG("One line was successfully processed");
+            lineProcessed = true; //Line was processed with success
+          }
+          else
+          {
+            //This is completely unexpected, discard all chars till the GD char to try to recover good state
+            WARN("Unexpected %c char (%02d code) found in incoming line", m_inputBuf[gdPos + 1]);
+            memmove(m_inputBuf, m_inputBuf + gdPos + 1, (m_inputPos + 1) - (gdPos + 1)); //Move null-terminating char as well
+            m_inputPos = m_inputPos - (gdPos + 1); //Adjust m_inputPos
+          }
+          lineDetected = false; //In both case search now for a new line
+        }
+      }
+    }
+  } while(lineProcessed); //If one complete line was processed there might be other incoming lines that can also be processed without reading the buffer again
+
+  //If the line could not be processed AND buffer is full, it means that we won't ever be able to process it (buffer too short)
+  if(m_inputPos == AT_INPUT_BUF_SIZE - 1)
+  {
+    //Discard everything
+    m_inputPos = 0;
+    m_inputBuf[0] = '\0'; //Always have a null-terminating char at start of buffer
+    WARN("Incoming buffer is too short to process incoming line");
+    //Look for a new line
+    lineDetected = false;
+  }
+
+  DBG("Processed every full incoming lines");
+
+  return OK;
+}
+
+int ATCommandsInterface::trySendCommand()
+{
+  osEvent evt = m_env2AT.get(0);
+  DBG("status = %d, msg = %d", evt.status, evt.value.p);
+  if(evt.status == osEventMail)
+  {
+    int* msg = (int*) evt.value.p;
+    if( *msg == AT_CMD_READY ) //Command pending
+    {
+      if(m_transactionState != IDLE)
+      {
+        WARN("Previous command not processed!");
+      }
+      DBG("Sending pending command");
+      m_pStream->write((uint8_t*)m_transactionCommand, strlen(m_transactionCommand), osWaitForever);
+      char cr = CR;
+      m_pStream->write((uint8_t*)&cr, 1, osWaitForever); //Carriage return line terminator
+      m_transactionState = COMMAND_SENT;
+    }
+    else //Timeout
+    {
+      //Acknowledge
+      int* msg = m_AT2Env.alloc(osWaitForever);
+      *msg = AT_TIMEOUT;
+      m_AT2Env.put(msg); //Command has timed out
+      m_transactionState = IDLE; //State-machine reset
+    }
+    m_env2AT.free(msg);
+  }
+  return OK;
+}
+
+int ATCommandsInterface::processReadLine()
+{
+  DBG("Processing read line [%s]", m_inputBuf);
+  //The line is stored in m_inputBuf
+  if(m_transactionState == COMMAND_SENT)
+  {
+    //If the command has been sent, checks echo to see if it has been received properly
+    if( strcmp(m_transactionCommand, m_inputBuf) == 0 )
+    {
+      DBG("Command echo received");
+      //If so, it means that the following lines will only be solicited results
+      m_transactionState = READING_RESULT;
+      return OK;
+    }
+  }
+  if(m_transactionState == IDLE || m_transactionState == COMMAND_SENT)
+  {
+    bool found = false;
+    char* pSemicol = strchr(m_inputBuf, ':');
+    char* pData = NULL;
+    if( pSemicol != NULL ) //Split the identifier & the result code (if it exists)
+    {
+      *pSemicol = '\0';
+      pData = pSemicol + 1;
+      if(pData[0]==' ')
+      {
+        pData++; //Suppress whitespace
+      }
+    }
+    //Looks for a unsolicited result code; we can have m_transactionState == COMMAND_SENT as the code may have arrived just before we sent the command
+    m_eventsProcessingMtx.lock();
+    //Go through the list
+    for(int i = 0; i < MAX_AT_EVENTS_HANDLERS; i++) //Find a free slot
+    {
+      if( m_eventsHandlers[i] != NULL )
+      {
+        if( m_eventsHandlers[i]->isATCodeHandled(m_inputBuf) )
+        {
+          m_eventsHandlers[i]->onEvent(m_inputBuf, pData);
+          found = true; //Do not break here as there might be multiple handlers for one event type
+        }
+      }
+    }
+    m_eventsProcessingMtx.unlock();
+    if(found)
+    {
+      return OK;
+    }
+  }
+  if(m_transactionState == READING_RESULT)
+  {
+    //The following lines can either be a command response or a result code (OK / ERROR / CONNECT / +CME ERROR: %s / +CMS ERROR: %s)
+    if(strcmp("OK", m_inputBuf) == 0)
+    {
+      DBG("OK result received");
+      m_transactionResult.code = 0;
+      m_transactionResult.result = ATResult::AT_OK;
+      m_transactionState = IDLE;
+      int* msg = m_AT2Env.alloc(osWaitForever);
+      *msg = AT_RESULT_READY;
+      m_AT2Env.put(msg); //Command has been processed
+      return OK;
+    }
+    else if(strcmp("ERROR", m_inputBuf) == 0)
+    {
+      DBG("ERROR result received");
+      m_transactionResult.code = 0;
+      m_transactionResult.result = ATResult::AT_ERROR;
+      m_transactionState = IDLE;
+      int* msg = m_AT2Env.alloc(osWaitForever);
+      *msg = AT_RESULT_READY;
+      m_AT2Env.put(msg); //Command has been processed
+      return OK;
+    }
+    else if(strncmp("CONNECT", m_inputBuf, 7 /*=strlen("CONNECT")*/) == 0) //Result can be "CONNECT" or "CONNECT %d", indicating baudrate
+    {
+      DBG("CONNECT result received");
+      m_transactionResult.code = 0;
+      m_transactionResult.result = ATResult::AT_CONNECT;
+      m_transactionState = IDLE;
+      int* msg = m_AT2Env.alloc(osWaitForever);
+      *msg = AT_RESULT_READY;
+      m_AT2Env.put(msg); //Command has been processed
+      return OK;
+    }
+    else if(strcmp("COMMAND NOT SUPPORT", m_inputBuf) == 0) //Huawei-specific, not normalized
+    {
+      DBG("COMMAND NOT SUPPORT result received");
+      m_transactionResult.code = 0;
+      m_transactionResult.result = ATResult::AT_ERROR;
+      m_transactionState = IDLE;
+      int* msg = m_AT2Env.alloc(osWaitForever);
+      *msg = AT_RESULT_READY;
+      m_AT2Env.put(msg); //Command has been processed
+      return OK;
+    }
+    else if(strstr(m_inputBuf, "+CME ERROR:") == m_inputBuf) //Mobile Equipment Error
+    {
+      std::sscanf(m_inputBuf + 12 /* =strlen("+CME ERROR: ") */, "%d", &m_transactionResult.code);
+      DBG("+CME ERROR: %d result received", m_transactionResult.code);
+      m_transactionResult.result = ATResult::AT_CME_ERROR;
+      m_transactionState = IDLE;
+      int* msg = m_AT2Env.alloc(osWaitForever);
+      *msg = AT_RESULT_READY;
+      m_AT2Env.put(msg); //Command has been processed
+      return OK;
+    }
+    else if(strstr(m_inputBuf, "+CMS ERROR:") == m_inputBuf) //SIM Error
+    {
+      std::sscanf(m_inputBuf + 13 /* =strlen("+CME ERROR: ") */, "%d", &m_transactionResult.code);
+      DBG("+CMS ERROR: %d result received", m_transactionResult.code);
+      m_transactionResult.result = ATResult::AT_CMS_ERROR;
+      m_transactionState = IDLE;
+      int* msg = m_AT2Env.alloc(osWaitForever);
+      *msg = AT_RESULT_READY;
+      m_AT2Env.put(msg); //Command has been processed
+      return OK;
+    }
+    else
+    {
+      DBG("Unprocessed result received: '%s'", m_inputBuf);
+      //Must call transaction processor to complete line processing
+      int ret = m_pTransactionProcessor->onNewATResponseLine(this, m_inputBuf); //Here sendData can be called
+      return ret;
+    }
+  }
+
+  return OK;
+}
+
+int ATCommandsInterface::processEntryPrompt()
+{
+  DBG("Calling prompt handler");
+  int ret = m_pTransactionProcessor->onNewEntryPrompt(this); //Here sendData can be called
+
+  if( ret != NET_MOREINFO ) //A new prompt is expected
+  {
+    DBG("Sending break character");
+    //Send CTRL+Z (break sequence) to exit prompt
+    char seq[2] = {BRK, 0x00};
+    sendData(seq);
+  }
+  return OK;
+}
+
+//This will be called on initialization & after the execution of a command
+void ATCommandsInterface::enableEvents()
+{
+  //Advertize this to events handlers
+  m_eventsMgmtMtx.lock();
+  for(int i = 0; i < MAX_AT_EVENTS_HANDLERS; i++) //Find a free slot
+  {
+    if( m_eventsHandlers[i] != NULL )
+    {
+      m_eventsHandlers[i]->onDispatchStart();
+      //Enable this kind of events
+      if(m_eventsHandlers[i]->getEventsEnableCommand() != NULL)
+      {
+        int ret = executeInternal(m_eventsHandlers[i]->getEventsEnableCommand(), this, NULL); //Execute enable command
+        if(ret)
+        {
+          WARN("Events enabling command failed");
+        }
+      }
+    }
+  }
+  m_eventsMgmtMtx.unlock();
+}
+
+//This will be called on de-initialization & before the execution of a command to prevent unsollicited result codes from polluting the results
+void ATCommandsInterface::disableEvents()
+{
+  //Advertize this to events handlers
+  m_eventsMgmtMtx.lock();
+  for(int i = 0; i < MAX_AT_EVENTS_HANDLERS; i++) //Find a free slot
+  {
+    if( m_eventsHandlers[i] != NULL )
+    {
+      m_eventsHandlers[i]->onDispatchStart();
+      //Disable this kind of events
+      if(m_eventsHandlers[i]->getEventsDisableCommand() != NULL)
+      {
+        int ret = executeInternal(m_eventsHandlers[i]->getEventsDisableCommand(), this, NULL); //Execute disable command
+        if(ret)
+        {
+          WARN("Events disabling command failed");
+        }
+      }
+    }
+  }
+  m_eventsMgmtMtx.unlock();
+}
+
+//Commands that can be called during onNewATResponseLine callback, additionally to close()
+//Access to this method is protected (can ONLY be called on processing thread during IATCommandsProcessor::onNewATResponseLine execution)
+int ATCommandsInterface::sendData(const char* data)
+{
+  //m_inputBuf is cleared at this point (and MUST therefore be empty)
+  int dataLen = strlen(data);
+  DBG("Sending raw string of length %d", dataLen);
+  int ret = m_pStream->write((uint8_t*)data, dataLen, osWaitForever);
+  if(ret)
+  {
+    WARN("Could not write to stream (returned %d)", ret);
+    return ret;
+  }
+
+  int dataPos = 0;
+  do
+  {
+    //Read echo
+    size_t readLen;
+    int ret = m_pStream->read((uint8_t*)m_inputBuf, &readLen, MIN(dataLen - dataPos, AT_INPUT_BUF_SIZE - 1), osWaitForever); //Make sure we do not read more than needed otherwise it could break the parser
+    if(ret)
+    {
+      WARN("Could not read from stream (returned %d)", ret);
+      m_inputPos = 0; //Reset input buffer state
+      m_inputBuf[0] = '\0'; //Always have a null-terminating char at start of buffer
+      return ret;
+    }
+
+    if( memcmp(m_inputBuf, data + dataPos, readLen) != 0 )
+    {
+      //Echo does not match output
+      m_inputBuf[readLen] = '\0';
+      WARN("Echo does not match output, got '%s' instead", m_inputBuf);
+      m_inputPos = 0; //Reset input buffer state
+      m_inputBuf[0] = '\0'; //Always have a null-terminating char at start of buffer
+      return NET_DIFF;
+    }
+
+    dataPos += readLen;
+    //If all characters have not been read yet
+
+  } while(dataPos < dataLen);
+
+  DBG("String sent successfully");
+
+  m_inputPos = 0; //Reset input buffer state
+  m_inputBuf[0] = '\0'; //Always have a null-terminating char at start of buffer
+
+  return OK;
+}
+
+/*static*/ void ATCommandsInterface::staticCallback(void const* p)
+{
+  ((ATCommandsInterface*)p)->process();
+}
+
+int ATCommandsInterface::ATResultToReturnCode(ATResult result) //Helper
+{
+  if(result.result == ATResult::AT_OK)
+  {
+    return OK;
+  }
+  else
+  {
+    return NET_MOREINFO;
+  }
+}
+
+/*virtual*/ int ATCommandsInterface::onNewATResponseLine(ATCommandsInterface* pInst, const char* line) //Default implementation for simple commands handling
+{
+  return OK;
+}
+
+/*virtual*/ int ATCommandsInterface::onNewEntryPrompt(ATCommandsInterface* pInst) //Default implementation (just sends Ctrl+Z to exit the prompt by returning OK right-away)
+{
+  return OK;
+}
+
+void ATCommandsInterface::process() //Processing thread
+{
+  DBG("AT Thread started");
+  while(true)
+  {
+    DBG("AT Processing on hold");
+    m_processingThread.signal_wait(AT_SIG_PROCESSING_START); //Block until the process is started
+
+    m_processingMtx.lock();
+    DBG("AT Processing started");
+    //First of all discard buffer
+    int ret;
+    size_t readLen;
+    do //Drop everything
+    {
+      ret = m_pStream->read((uint8_t*)m_inputBuf, &readLen, AT_INPUT_BUF_SIZE - 1, 0); //Do NOT wait at this point
+    } while(ret == OK);
+    m_inputPos = 0; //Clear input buffer
+    do
+    {
+      DBG("Trying to send a pending command");
+      trySendCommand(); //This must be tried first as we discarded the buffer before and therefore would be blocking though there is a pending command
+      DBG("Trying to read a new line");
+      tryReadLine();
+    } while( m_processingThread.signal_wait(AT_SIG_PROCESSING_STOP, 0).status != osEventSignal ); //Loop until the process is interrupted
+    m_processingMtx.unlock();
+    DBG("AT Processing stopped");
+  }
+}
+
diff --git a/libraries/net/VodafoneUSBModem/at/ATCommandsInterface.h b/libraries/net/VodafoneUSBModem/at/ATCommandsInterface.h
new file mode 100644
index 0000000000..129eedf8cf
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/at/ATCommandsInterface.h
@@ -0,0 +1,153 @@
+/* ATCommandsInterface.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef ATCOMMANDSINTERFACE_H_
+#define ATCOMMANDSINTERFACE_H_
+
+#include "core/fwk.h"
+#include "rtos.h"
+
+#define MAX_AT_EVENTS_HANDLERS 4
+
+class ATCommandsInterface;
+
+/** Interface implemented by components handling AT events
+ *
+ */
+class IATEventsHandler
+{
+protected:
+  virtual bool isATCodeHandled(const char* atCode) = 0; //Is this AT code handled
+  virtual void onDispatchStart() = 0;
+  virtual void onDispatchStop() = 0;
+  virtual char* getEventsEnableCommand() = 0;
+  virtual char* getEventsDisableCommand() = 0;
+  virtual void onEvent(const char* atCode, const char* evt) = 0;
+  friend class ATCommandsInterface;
+};
+
+/** Interface implemented by components executing complex AT commands
+ *
+ */
+class IATCommandsProcessor
+{
+protected:
+  virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line) = 0;
+  virtual int onNewEntryPrompt(ATCommandsInterface* pInst) = 0;
+  friend class ATCommandsInterface;
+};
+
+#define AT_INPUT_BUF_SIZE 192//64
+
+//Signals to be sent to the processing thread
+#define AT_SIG_PROCESSING_START 1
+#define AT_SIG_PROCESSING_STOP 2
+//Messages to be sent to the processing thread
+#define AT_CMD_READY 1
+#define AT_TIMEOUT 2
+#define AT_STOP 3
+//Messages to be sent from the processing thread
+#define AT_RESULT_READY 1
+
+/** AT Commands interface class
+ *
+ */
+class ATCommandsInterface : protected IATCommandsProcessor
+{
+public:
+  ATCommandsInterface(IOStream* pStream);
+
+  //Open connection to AT Interface in order to execute command & register/unregister events
+  int open();
+
+  //Initialize AT link
+  int init();
+
+  //Close connection
+  int close();
+  
+  bool isOpen();
+
+  class ATResult
+  {
+  public:
+    enum { AT_OK, AT_ERROR, AT_CONNECT, AT_CMS_ERROR, AT_CME_ERROR } result;
+    int code;
+  };
+
+  int executeSimple(const char* command, ATResult* pResult, uint32_t timeout=1000);
+  int execute(const char* command, IATCommandsProcessor* pProcessor, ATResult* pResult, uint32_t timeout=1000);
+  
+  int registerEventsHandler(IATEventsHandler* pHdlr);
+  int deregisterEventsHandler(IATEventsHandler* pHdlr);
+
+  //Commands that can be called during onNewATResponseLine callback, additionally to close()
+  //Access to this method is protected (can ONLY be called on processing thread during IATCommandsProcessor::onNewATResponseLine execution)
+  int sendData(const char* data);
+
+  static void staticCallback(void const* p);
+private:
+  int executeInternal(const char* command, IATCommandsProcessor* pProcessor, ATResult* pResult, uint32_t timeout=1000);
+  
+  int tryReadLine();
+  int trySendCommand();
+  int processReadLine();
+  int processEntryPrompt();
+  
+  void enableEvents();
+  void disableEvents();
+
+  int ATResultToReturnCode(ATResult result); //Helper
+
+  virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line); //Default implementation for simple commands handling
+  virtual int onNewEntryPrompt(ATCommandsInterface* pInst); //Default implementation (just sends Ctrl+Z to exit the prompt)
+
+  void process(); //Processing thread
+
+  IOStream* m_pStream;
+  
+  bool m_open; //< TRUE when the AT interface is open, and FALSE when it is not.
+
+  const char* m_transactionCommand;
+  const char* m_transactionData;
+
+  IATCommandsProcessor* m_pTransactionProcessor;
+  ATResult m_transactionResult;
+
+  enum { IDLE, COMMAND_SENT, READING_RESULT, ABORTED } m_transactionState;
+
+  char m_inputBuf[AT_INPUT_BUF_SIZE]; // Stores characters received from the modem.
+  int m_inputPos; // Current position of fill pointer in the input buffer.
+
+  Mutex m_transactionMtx;
+
+  // These are RTOS queues, concurrent access protected. In this case both only contain an integer.
+  Mail m_env2AT; // used by calling function to inform processing thread of events
+  Mail m_AT2Env; // used by processing thread to inform calling function of events
+
+  IATEventsHandler* m_eventsHandlers[MAX_AT_EVENTS_HANDLERS]; // all registered events handlers
+
+  Mutex m_processingMtx;
+  Thread m_processingThread;
+
+  Mutex m_eventsMgmtMtx; //Lock events use within the calling thread
+  Mutex m_eventsProcessingMtx; //Lock events use within the processing thread
+};
+
+#endif /* ATCOMMANDSINTERFACE_H_ */
diff --git a/libraries/net/VodafoneUSBModem/core/IOStream.h b/libraries/net/VodafoneUSBModem/core/IOStream.h
new file mode 100644
index 0000000000..c9918b131d
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/core/IOStream.h
@@ -0,0 +1,61 @@
+/* IOStream.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef IOSTREAM_H_
+#define IOSTREAM_H_
+
+#include "fwk.h"
+
+#include "rtos.h"
+
+class IStream
+{
+public:
+  //IStream();
+  //virtual ~IStream();
+
+    //0 for non-blocking (returns immediately), osWaitForever for infinite blocking
+    virtual int read(uint8_t* buf, size_t* pLength, size_t maxLength, uint32_t timeout=osWaitForever) = 0;
+    virtual size_t available() = 0;
+    virtual int waitAvailable(uint32_t timeout=osWaitForever) = 0; //Wait for data to be available
+    virtual int abortRead() = 0; //Abort current reading (or waiting) operation
+};
+
+class OStream
+{
+public:
+  //OStream();
+  //virtual ~OStream();
+
+    //0 for non-blocking (returns immediately), osWaitForever for infinite blocking
+    virtual int write(uint8_t* buf, size_t length, uint32_t timeout=osWaitForever) = 0;
+    virtual size_t space() = 0;
+    virtual int waitSpace(uint32_t timeout=osWaitForever) = 0; //Wait for space to be available
+    virtual int abortWrite() = 0; //Abort current writing (or waiting) operation
+};
+
+class IOStream : public IStream, public OStream
+{
+public:
+  //IOStream();
+  //virtual ~IOStream();
+};
+
+
+#endif /* IOSTREAM_H_ */
diff --git a/libraries/net/VodafoneUSBModem/core/MtxCircBuffer.h b/libraries/net/VodafoneUSBModem/core/MtxCircBuffer.h
new file mode 100644
index 0000000000..1623de3647
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/core/MtxCircBuffer.h
@@ -0,0 +1,103 @@
+/* MtxCircBuf.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef MTXCIRCBUFFER_H
+#define MTXCIRCBUFFER_H
+
+#include "fwk.h"
+
+#include "rtos.h"
+
+//Mutex protected circualr buffer
+template
+class MtxCircBuffer
+{
+public:
+  MtxCircBuffer() //:
+      //mtx()
+  {
+    write = 0;
+    read = 0;
+  }
+
+  bool isFull()
+  {
+    mtx.lock();
+    bool r = (((write + 1) % size) == read);
+    mtx.unlock();
+    return r;
+  }
+
+  bool isEmpty()
+  {
+    mtx.lock();
+    bool r = (read == write);
+    mtx.unlock();
+    return r;
+  }
+
+  void queue(T k)
+  {
+    mtx.lock();
+    while (((write + 1) % size) == read) //if (isFull())
+    {
+      /*while((((write + 1) % size) == read))
+      {*/
+        mtx.unlock();
+        Thread::wait(10);
+        mtx.lock();
+      /*}*/
+      //read++;
+      //read %= size;
+    }
+    buf[write++] = k;
+    write %= size;
+    mtx.unlock();
+  }
+
+  uint16_t available()
+  {
+    mtx.lock();
+    uint16_t a = (write >= read) ? (write - read) : (size - read + write);
+    mtx.unlock();
+    return a;
+  }
+
+  bool dequeue(T * c)
+  {
+    mtx.lock();
+    bool empty = (read == write);
+    if (!empty)
+    {
+      *c = buf[read++];
+      read %= size;
+    }
+    mtx.unlock();
+    return (!empty);
+  }
+
+private:
+  volatile uint16_t write;
+  volatile uint16_t read;
+  volatile T buf[size];
+  Mutex mtx;
+};
+
+#endif
+
diff --git a/libraries/net/VodafoneUSBModem/core/config.h b/libraries/net/VodafoneUSBModem/core/config.h
new file mode 100644
index 0000000000..508424dc66
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/core/config.h
@@ -0,0 +1,27 @@
+/* config.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef CONFIG_H_
+#define CONFIG_H_
+
+
+//Configuration
+#define AT_THREAD_PRIORITY 0
+
+
+#endif /* CONFIG_H_ */
diff --git a/libraries/net/VodafoneUSBModem/core/dbg.cpp b/libraries/net/VodafoneUSBModem/core/dbg.cpp
new file mode 100644
index 0000000000..4314e2342f
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/core/dbg.cpp
@@ -0,0 +1,127 @@
+/* dbg.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "dbg.h"
+
+#include "mbed.h"
+#include "rtos.h"
+
+#include 
+#include 
+
+using namespace std;
+
+static Serial debug_pc(USBTX, USBRX);
+
+static char debug_newline[3];
+
+static void debug_lock(bool set)
+{
+  static Mutex* mtx = new Mutex(); //Singleton runtime initialisation to avoid static initialisation chaos problems
+  static bool init = false;
+  if(set)
+  {
+    mtx->lock();
+    if(!init)
+    {
+      strncpy( debug_newline, "\n", 2 );
+      printf("[START]\n");
+      fflush(stdout);
+      init = true;
+    }
+  }
+  else
+  {
+    mtx->unlock();
+  }
+}
+
+void debug_init()
+{
+  debug_lock(true); //Force init
+  debug_lock(false);
+}
+
+void debug_set_newline(const char* newline)
+{
+  debug_lock(true);
+  strncpy( debug_newline, newline, 2 );
+  debug_newline[2] = '\0';
+  debug_lock(false);
+}
+
+void debug_set_speed(int speed)
+{
+  debug_pc.baud(speed);
+}
+
+void debug(int level, const char* module, int line, const char* fmt, ...)
+{
+  debug_lock(true);
+  switch(level)
+  {
+  default:
+  case 1:
+    printf("[ERROR]");
+    break;
+  case 2:
+    printf("[WARN]");
+    break;
+  case 3:
+    printf("[INFO]");
+    break;
+  case 4:
+    printf("[DBG]");
+    break;
+  }
+
+  printf(" Module %s - Line %d: ", module, line);
+
+  va_list argp;
+
+  va_start(argp, fmt);
+  vprintf(fmt, argp);
+  va_end(argp);
+
+  printf(debug_newline);
+
+  fflush(stdout);
+
+  debug_lock(false);
+
+}
+
+void debug_error(const char* module, int line, int ret)
+{
+  debug_lock(true);
+  printf("[RC] Module %s - Line %d : Error %d\n", module, line, ret);
+  fflush(stdout);
+  debug_lock(false);
+}
+
+void debug_exact(const char* fmt, ...)
+{
+  debug_lock(true);
+  va_list argp;
+
+  va_start(argp, fmt);
+  vprintf(fmt, argp);
+  va_end(argp);
+  debug_lock(false);
+}
diff --git a/libraries/net/VodafoneUSBModem/core/dbg.h b/libraries/net/VodafoneUSBModem/core/dbg.h
new file mode 100644
index 0000000000..2ff24e1b31
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/core/dbg.h
@@ -0,0 +1,79 @@
+/* dbg.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef DBG_H_
+#define DBG_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+void debug_init(void);
+void debug(int level, const char* module, int line, const char* fmt, ...);
+void debug_set_newline(const char* newline);
+void debug_set_speed(int speed);
+void debug_error(const char* module, int line, int ret);
+void debug_exact(const char* fmt, ...);
+
+#define DBG_INIT() do{ debug_init(); }while(0)
+
+#define DBG_SET_NEWLINE( x ) do{ debug_set_newline(x); }while(0)
+
+#define DBG_SET_SPEED( x ) do{ debug_set_speed(x); }while(0)
+
+#if __DEBUG__ > 0
+#ifndef __MODULE__
+#error "__MODULE__ must be defined"
+#endif
+#endif
+
+#if __DEBUG__ >= 1
+#define ERR(...) do{ debug(1, __MODULE__, __LINE__, __VA_ARGS__); }while(0)
+#else
+#define ERR(...) do{ }while(0)
+#endif
+
+#if __DEBUG__ >= 2
+#define WARN(...) do{ debug(2, __MODULE__, __LINE__, __VA_ARGS__); }while(0)
+#else
+#define WARN(...) do{ }while(0)
+#endif
+
+#if __DEBUG__ >= 3
+#define INFO(...) do{ debug(3, __MODULE__, __LINE__, __VA_ARGS__); }while(0)
+#define CHECK(ret) do{ if(ret){ debug_error(__MODULE__, __LINE__, ret); } }while(0)
+#else
+#define INFO(...) do{ }while(0)
+#define CHECK(ret) do{ }while(0)
+#endif
+
+#if __DEBUG__ >= 4
+#define DBG(...) do{ debug(4, __MODULE__, __LINE__, __VA_ARGS__); }while(0)
+#define DBGX(...) do{ debug_exact(__VA_ARGS__); }while(0)
+#else
+#define DBG(...) do{ }while(0)
+#define DBGX(...) do{ }while(0)
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* DBG_H_ */
diff --git a/libraries/net/VodafoneUSBModem/core/errors.h b/libraries/net/VodafoneUSBModem/core/errors.h
new file mode 100644
index 0000000000..73ca00c1c4
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/core/errors.h
@@ -0,0 +1,47 @@
+/* errors.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+ 
+#ifndef ERRORS_H_
+#define ERRORS_H_
+
+/** \page Network-related errors */
+
+#define OK 0 //No error
+
+#define NET_FULL 1 //>All available resources are already used
+#define NET_EMPTY 2 //>No resource
+#define NET_NOTFOUND 3 //>Element cannot be found
+#define NET_INVALID 4 //>Invalid
+#define NET_CONTEXT 5 //>Called in a wrong context (eg during an interrupt)
+#define NET_TIMEOUT 6 //>Timeout
+#define NET_UNKNOWN 7 //>Unknown error
+#define NET_OVERFLOW 8 //>Overflow
+#define NET_PROCESSING 9 //>Command is processing
+#define NET_INTERRUPTED 10 //>Current operation has been interrupted
+#define NET_MOREINFO 11 //>More info on this error can be retrieved elsewhere (eg in a parameter passed as ptr)
+#define NET_ABORT 12 //>Current operation must be aborted
+#define NET_DIFF 13 //>Items that should match are different
+#define NET_AUTH 14 //>Authentication failed
+#define NET_PROTOCOL 15 //>Protocol error
+#define NET_OOM 16 //>Out of memory
+#define NET_CONN 17 //>Connection error
+#define NET_CLOSED 18 //>Connection was closed by remote end
+#define NET_TOOSMALL 19 //>Buffer is too small
+
+#endif /* ERRORS_H_ */
diff --git a/libraries/net/VodafoneUSBModem/core/fwk.h b/libraries/net/VodafoneUSBModem/core/fwk.h
new file mode 100644
index 0000000000..4efc281c0e
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/core/fwk.h
@@ -0,0 +1,61 @@
+/* fwk.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef FWK_H_
+#define FWK_H_
+
+#include "config.h"
+
+#include "string.h"
+//using namespace std;
+
+#include "stdint.h"
+typedef unsigned int size_t;
+
+#ifndef __cplusplus
+//boolean type compatibility
+typedef byte bool;
+#define true 1
+#define false 0
+#endif
+
+#ifndef NULL
+#define NULL ((void*)0)
+#endif
+
+#define CR '\x0D'
+#define LF '\x0A'
+#define GD '\x3E'
+#define BRK '\x1A'
+
+//Custom utility classes
+#include "IOStream.h"
+//#include "String.h"
+
+//Error codes
+#include "errors.h"
+
+//Debug
+#include "dbg.h"
+
+//Utility macros
+#define MIN(x,y) (((x)<(y))?(x):(y))
+#define MAX(x,y) (((x)>(y))?(x):(y))
+
+#endif /* FWK_H_ */
diff --git a/libraries/net/VodafoneUSBModem/ip/IPInterface.cpp b/libraries/net/VodafoneUSBModem/ip/IPInterface.cpp
new file mode 100644
index 0000000000..3732303e24
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/ip/IPInterface.cpp
@@ -0,0 +1,81 @@
+/* IPInterface.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "core/fwk.h"
+
+#include "IPInterface.h"
+
+#include  //For strcpy
+
+
+IPInterface::IPInterface() : m_connected(false)
+{
+
+}
+
+/*virtual*/ IPInterface::~IPInterface()
+{
+
+}
+
+void IPInterface::registerAsDefaultInterface() //First come, first served
+{
+  s_pDefaultInterface = this;
+}
+
+void IPInterface::unregisterAsDefaultInterface() //Must be called before inst is destroyed to avoid invalid ptr fault
+{
+  s_pDefaultInterface = NULL;
+}
+
+/*static*/ IPInterface* IPInterface::getDefaultInterface() //For use by TCP, UDP sockets library
+{
+  return s_pDefaultInterface;
+}
+
+/*static*/ IPInterface* IPInterface::s_pDefaultInterface = NULL;
+
+
+char* IPInterface::getIPAddress() //Get IP Address as a string ('a.b.c.d')
+{
+  if(isConnected())
+  {
+    return m_ipAddr;
+  }
+  else
+  {
+    return NULL;
+  }
+}
+
+bool IPInterface::isConnected() //Is the interface connected?
+{
+  return m_connected;
+}
+
+void IPInterface::setIPAddress(char* ipAddr)
+{
+  std::strcpy(m_ipAddr, ipAddr); //Let's trust the derived class not to buffer overflow us
+}
+
+void IPInterface::setConnected(bool connected)
+{
+  m_connected = connected;
+}
+
diff --git a/libraries/net/VodafoneUSBModem/ip/IPInterface.h b/libraries/net/VodafoneUSBModem/ip/IPInterface.h
new file mode 100644
index 0000000000..6655aec9ca
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/ip/IPInterface.h
@@ -0,0 +1,60 @@
+/* IPInterface.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef IPINTERFACE_H_
+#define IPINTERFACE_H_
+
+#include "core/fwk.h"
+
+/** Generic IP-based network interface
+ *
+ */
+class IPInterface
+{
+public:
+    IPInterface();
+    virtual ~IPInterface();
+
+    //int init(); //Initialize interface; no connection should be performed at this stage
+    virtual int connect() = 0; //Do connect the interface
+    virtual int disconnect() = 0;
+    //It is encouraged that the derived class implement a "setup(...)" function to configure the interface before the connection
+    
+    char* getIPAddress(); //Get IP Address as a string ('a.b.c.d')
+    bool isConnected(); //Is the interface connected?
+
+    static IPInterface* getDefaultInterface(); //For use by TCP, UDP sockets library
+
+    //WARN: Implementation will have to be more careful in case of multiple interfaces (or implement a routing protocol based on local IP addresses differentiation)
+    void registerAsDefaultInterface(); //First come, first served
+    void unregisterAsDefaultInterface(); //Must be called before inst is destroyed to avoid invalid ptr fault
+
+protected:
+    //Must be called by subclasses
+    void setIPAddress(char* ipAddr);
+    void setConnected(bool connected);
+
+private:
+    char m_ipAddr[16];
+    bool m_connected;
+
+    static IPInterface* s_pDefaultInterface;
+};
+
+#endif /* IPINTERFACE_H_ */
diff --git a/libraries/net/VodafoneUSBModem/ip/LwIPInterface.cpp b/libraries/net/VodafoneUSBModem/ip/LwIPInterface.cpp
new file mode 100644
index 0000000000..b20f2a6617
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/ip/LwIPInterface.cpp
@@ -0,0 +1,52 @@
+/* LwIPInterface.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "core/fwk.h"
+
+#include "LwIPInterface.h"
+
+extern "C" {
+#include "lwip/init.h"
+#include "lwip/tcpip.h"
+}
+
+LwIPInterface::LwIPInterface() : IPInterface(), m_rdySphre(1)
+{
+  m_rdySphre.wait();
+}
+
+LwIPInterface::~LwIPInterface()
+{
+
+}
+
+int LwIPInterface::init() //Init LwIP-specific stuff, create the right bindings, etc
+{
+  //lwip_init(); //All LwIP initialisation functions called on a per-module basis (according to lwipopts.h)
+  tcpip_init(LwIPInterface::tcpipRdyCb, this); //Start TCP/IP processing thread
+  m_rdySphre.wait(); //Wait for callback to produce resource
+  return OK;
+}
+
+/*static*/ void LwIPInterface::tcpipRdyCb(void* ctx) //Result of TCP/IP thread launch
+{
+  LwIPInterface* pIf = (LwIPInterface*) ctx;
+  pIf->m_rdySphre.release();
+}
diff --git a/libraries/net/VodafoneUSBModem/ip/LwIPInterface.h b/libraries/net/VodafoneUSBModem/ip/LwIPInterface.h
new file mode 100644
index 0000000000..7e5471e204
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/ip/LwIPInterface.h
@@ -0,0 +1,44 @@
+/* LwIPInterface.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef LWIPINTERFACE_H_
+#define LWIPINTERFACE_H_
+
+#include "core/fwk.h"
+#include "IPInterface.h"
+
+#include "rtos.h"
+
+/** LwIP-based network interface
+ *
+ */
+class LwIPInterface : public IPInterface
+{
+public:
+    LwIPInterface();
+    virtual ~LwIPInterface();
+
+    int init(); //Init LwIP-specific stuff, create the right bindings, etc
+    
+private:
+    static void tcpipRdyCb(void* ctx); //Result of TCP/IP thread launch
+    Semaphore m_rdySphre;
+};
+
+#endif /* LWIPINTERFACE_H_ */
diff --git a/libraries/net/VodafoneUSBModem/ip/PPPIPInterface.cpp b/libraries/net/VodafoneUSBModem/ip/PPPIPInterface.cpp
new file mode 100644
index 0000000000..2b398f0940
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/ip/PPPIPInterface.cpp
@@ -0,0 +1,457 @@
+/* PPPIPInterface.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#define __DEBUG__ 0
+#ifndef __MODULE__
+#define __MODULE__ "PPPIPInterface.cpp"
+#endif
+
+#include "core/fwk.h"
+#include "rtos.h"
+
+#include 
+using std::sscanf;
+
+#include "PPPIPInterface.h"
+
+#define MSISDN "*99#"
+
+#define CONNECT_CMD "ATD " MSISDN "\x0D"
+#define EXPECTED_RESP CONNECT_CMD "\x0D" "\x0A" "CONNECT" "\x0D" "\x0A"
+#define EXPECTED_RESP_DATARATE CONNECT_CMD "\x0D" "\x0A" "CONNECT %d" "\x0D" "\x0A"
+#define EXPECTED_RESP_MIN_LEN 20
+#define OK_RESP "\x0D" "\x0A" "OK" "\x0D" "\x0A"
+#define ESCAPE_SEQ "+++"
+#define HANGUP_CMD "ATH" "\x0D"
+#define NO_CARRIER_RESP "\x0D" "\x0A" "NO CARRIER" "\x0D" "\x0A"
+extern "C" {
+#include "lwip/ip_addr.h"
+#include "lwip/inet.h"
+#include "lwip/err.h"
+#include "lwip/dns.h"
+
+#include "netif/ppp/ppp.h"
+}
+
+PPPIPInterface::PPPIPInterface(IOStream* pStream) : LwIPInterface(), m_linkStatusSphre(1), m_pppErrCode(0), m_pStream(pStream), m_streamAvail(true), m_pppd(-1)
+{
+  m_linkStatusSphre.wait();
+}
+
+/*virtual*/ PPPIPInterface::~PPPIPInterface()
+{
+
+}
+
+/*virtual*/ int PPPIPInterface::init() //Init PPP-specific stuff, create the right bindings, etc
+{
+  DBG("Initializing LwIP");
+  LwIPInterface::init(); //Init LwIP, NOT including PPP
+  DBG("Initializing PPP");
+  pppInit();
+  DBG("Done");
+  return OK;
+}
+
+int PPPIPInterface::setup(const char* user, const char* pw)
+{
+  DBG("Configuring PPP authentication method");
+  pppSetAuth(PPPAUTHTYPE_ANY, user, pw);
+  DBG("Done");
+  return OK;
+}
+
+/*virtual*/ int PPPIPInterface::connect()
+{
+  int ret;
+  char buf[32];
+  size_t len;
+  DBG("Trying to connect with PPP");
+  
+  cleanupLink();
+  
+  DBG("Sending %s", CONNECT_CMD);
+  
+  ret = m_pStream->write((uint8_t*)CONNECT_CMD, strlen(CONNECT_CMD), osWaitForever);
+  if( ret != OK )
+  {
+    return NET_UNKNOWN;
+  }
+  
+  DBG("Expect %s", EXPECTED_RESP);
+    
+  len = 0;
+  size_t readLen;
+  ret = m_pStream->read((uint8_t*)buf + len, &readLen, EXPECTED_RESP_MIN_LEN, 10000);
+  if( ret != OK )
+  {
+    return NET_UNKNOWN;
+  }
+  len += readLen;
+  while( (len < EXPECTED_RESP_MIN_LEN) || (buf[len-1] != LF) )
+  {
+    ret = m_pStream->read((uint8_t*)buf + len, &readLen, 1, 10000);
+    if( ret != OK )
+    {
+      return NET_UNKNOWN;
+    }
+    len += readLen;
+  }
+  
+  buf[len]=0;
+  
+  DBG("Got %s[len %d]", buf, len);
+  
+  int datarate = 0;
+  if( (sscanf( buf, EXPECTED_RESP_DATARATE, &datarate ) != 1) && (strcmp(EXPECTED_RESP, buf) != 0) )
+  {
+    //Discard buffer
+    do //Clear buf
+    {
+      ret = m_pStream->read((uint8_t*)buf, &len, 32, 0);
+    } while( (ret == OK) && (len > 0) );
+    return NET_CONN;
+  }
+      
+  DBG("Transport link open");
+  if(datarate != 0)
+  {
+    DBG("Datarate: %d bps", datarate);
+  }
+  m_linkStatusSphre.wait(0);
+  if((m_pppd != -1) && (m_pppErrCode == 0)) //Already connected
+  {
+    return NET_INVALID;
+  }
+  
+  ret = pppOverSerialOpen(this, PPPIPInterface::linkStatusCb, this);
+  if(ret < 0)
+  {
+    switch(ret)
+    {
+    case PPPERR_OPEN:
+    default:
+      return NET_FULL; //All available resources are already used
+    }
+  }
+  m_pppd = ret; //PPP descriptor
+  m_linkStatusSphre.wait(); //Block indefinitely; there should be a timeout there
+  if(m_pppErrCode != PPPERR_NONE)
+  {
+    m_pppd = -1;
+  }
+  switch(m_pppErrCode)
+  {
+  case PPPERR_NONE: //Connected OK
+    return OK;
+  case PPPERR_CONNECT: //Connection lost
+    return NET_INTERRUPTED;
+  case PPPERR_AUTHFAIL: //Authentication failed
+    return NET_AUTH;
+  case PPPERR_PROTOCOL: //Protocol error
+    return NET_PROTOCOL;
+  default:
+    return NET_UNKNOWN;
+  }
+}
+
+/*virtual*/ int PPPIPInterface::disconnect()
+{
+  int ret = m_linkStatusSphre.wait(0);
+  if(ret > 0) //Already disconnected?
+  {
+    m_pppd = -1; //Discard PPP descriptor
+    switch(m_pppErrCode)
+      {
+      case PPPERR_CONNECT: //Connection terminated
+      case PPPERR_AUTHFAIL: //Authentication failed
+      case PPPERR_PROTOCOL: //Protocol error
+      case PPPERR_USER:
+        return OK;
+      default:
+        return NET_UNKNOWN;
+      }
+  }
+  else
+  {
+    if(m_pppd == -1)
+    {
+      return NET_INVALID;
+    }
+    pppClose(m_pppd);
+    do
+    {
+      m_linkStatusSphre.wait(); //Block indefinitely; there should be a timeout there
+      DBG("Received PPP err code %d", m_pppErrCode);
+    } while(m_pppErrCode != PPPERR_USER);
+    m_pppd = -1; //Discard PPP descriptor
+  }
+  
+  DBG("Sending %s", ESCAPE_SEQ);
+  
+  ret = m_pStream->write((uint8_t*)ESCAPE_SEQ, strlen(ESCAPE_SEQ), osWaitForever);
+  if( ret != OK )
+  {
+    return NET_UNKNOWN;
+  }
+  
+  cleanupLink();
+  
+  return OK;
+}
+
+
+int PPPIPInterface::cleanupLink()
+{
+  int ret;
+  char buf[32];
+  size_t len;
+  
+  do //Clear buf
+  {
+    ret = m_pStream->read((uint8_t*)buf, &len, 32, 100);
+    if(ret == OK)
+    {
+      buf[len] = '\0';
+      DBG("Got %s", buf);
+    }
+  } while( (ret == OK) && (len > 0) );
+  
+  DBG("Sending %s", HANGUP_CMD);
+  
+  ret = m_pStream->write((uint8_t*)HANGUP_CMD, strlen(HANGUP_CMD), osWaitForever);
+  if( ret != OK )
+  {
+    return NET_UNKNOWN;
+  }
+     
+  size_t readLen;
+  
+  //Hangup
+  DBG("Expect %s", HANGUP_CMD);
+
+  len = 0;
+  while( len < strlen(HANGUP_CMD) )
+  {
+    ret = m_pStream->read((uint8_t*)buf + len, &readLen, strlen(HANGUP_CMD) - len, 100);
+    if( ret != OK )
+    {
+      break;
+    }
+    len += readLen;
+    /////
+    buf[len]=0;
+    DBG("Got %s", buf);
+  }
+  
+  buf[len]=0;
+  
+  DBG("Got %s[len %d]", buf, len);
+  
+  //OK response
+  DBG("Expect %s", OK_RESP);
+
+  len = 0;
+  while( len < strlen(OK_RESP) )
+  {
+    ret = m_pStream->read((uint8_t*)buf + len, &readLen, strlen(OK_RESP) - len, 100);
+    if( ret != OK )
+    {
+      break;
+    }
+    len += readLen;
+    /////
+    buf[len]=0;
+    DBG("Got %s", buf);
+  }
+  
+  buf[len]=0;
+  
+  DBG("Got %s[len %d]", buf, len);
+  
+  //NO CARRIER event
+  DBG("Expect %s", NO_CARRIER_RESP);
+
+  len = 0;
+  while( len < strlen(NO_CARRIER_RESP) )
+  {
+    ret = m_pStream->read((uint8_t*)buf + len, &readLen, strlen(NO_CARRIER_RESP) - len, 100);
+    if( ret != OK )
+    {
+      break;
+    }
+    len += readLen;
+    /////
+    buf[len]=0;
+    DBG("Got %s", buf);
+  }
+  
+  buf[len]=0;
+  
+  DBG("Got %s[len %d]", buf, len);
+  
+  do //Clear buf
+  {
+    ret = m_pStream->read((uint8_t*)buf, &len, 32, 100);
+    if(ret == OK)
+    {
+      buf[len] = '\0';
+      DBG("Got %s", buf);
+    }
+  } while( (ret == OK) && (len > 0) );
+  
+  
+  return OK;
+}
+
+/*static*/ void PPPIPInterface::linkStatusCb(void *ctx, int errCode, void *arg) //PPP link status
+{
+  PPPIPInterface* pIf = (PPPIPInterface*)ctx;
+  struct ppp_addrs* addrs = (struct ppp_addrs*) arg;
+
+  switch(errCode)
+  {
+  case PPPERR_NONE:
+    WARN("Connected via PPP.");
+    DBG("Local IP address: %s", inet_ntoa(addrs->our_ipaddr));
+    DBG("Netmask: %s", inet_ntoa(addrs->netmask));
+    DBG("Remote IP address: %s", inet_ntoa(addrs->his_ipaddr));
+    DBG("Primary DNS: %s", inet_ntoa(addrs->dns1));
+    DBG("Secondary DNS: %s", inet_ntoa(addrs->dns2));
+    //Setup DNS
+    if (addrs->dns1.addr != 0)
+    {
+      dns_setserver(0, (struct ip_addr*)&(addrs->dns1));
+    }
+    if (addrs->dns2.addr != 0)
+    {
+      dns_setserver(1, (struct ip_addr*)&(addrs->dns1));
+    }
+        
+    pIf->setConnected(true);
+    pIf->setIPAddress(inet_ntoa(addrs->our_ipaddr));
+    break;
+  case PPPERR_CONNECT: //Connection lost
+    WARN("Connection lost/terminated");
+    pIf->setConnected(false);
+    break;
+  case PPPERR_AUTHFAIL: //Authentication failed
+    WARN("Authentication failed");
+    pIf->setConnected(false);
+    break;
+  case PPPERR_PROTOCOL: //Protocol error
+    WARN("Protocol error");
+    pIf->setConnected(false);
+    break;
+  case PPPERR_USER:
+    WARN("Disconnected by user");
+    pIf->setConnected(false);
+    break;
+  default:
+    WARN("Unknown error (%d)", errCode);
+    pIf->setConnected(false);
+    break;
+  }
+
+  pIf->m_linkStatusSphre.wait(0); //If previous event has not been handled, "delete" it now
+  pIf->m_pppErrCode = errCode;
+  pIf->m_linkStatusSphre.release();
+}
+
+//LwIP PPP implementation
+extern "C"
+{
+
+/**
+ * Writes to the serial device.
+ *
+ * @param fd serial device handle
+ * @param data pointer to data to send
+ * @param len length (in bytes) of data to send
+ * @return number of bytes actually sent
+ *
+ * @note This function will block until all data can be sent.
+ */
+u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len)
+{
+  DBG("sio_write");
+  PPPIPInterface* pIf = (PPPIPInterface*)fd;
+  int ret;
+  if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further
+  {
+    return 0;
+  }
+  ret = pIf->m_pStream->write(data, len, osWaitForever); //Blocks until all data is sent or an error happens
+  if(ret != OK)
+  {
+    return 0;
+  }
+  return len;
+}
+
+/**
+ * Reads from the serial device.
+ *
+ * @param fd serial device handle
+ * @param data pointer to data buffer for receiving
+ * @param len maximum length (in bytes) of data to receive
+ * @return number of bytes actually received - may be 0 if aborted by sio_read_abort
+ *
+ * @note This function will block until data can be received. The blocking
+ * can be cancelled by calling sio_read_abort().
+ */
+u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len)
+{
+  DBG("sio_read");
+  PPPIPInterface* pIf = (PPPIPInterface*)fd;
+  int ret;
+  size_t readLen;
+  if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further
+  {
+    WARN("EXIT NOT AVAIL");
+    return 0;
+  }
+  ret = pIf->m_pStream->read(data, &readLen, len, osWaitForever); //Blocks until some data is received or an error happens
+  if(ret != OK)
+  {
+    return 0;
+  }
+  DBG("ret");
+  return readLen;
+}
+
+/**
+ * Aborts a blocking sio_read() call.
+ *
+ * @param fd serial device handle
+ */
+void sio_read_abort(sio_fd_t fd)
+{
+  DBG("sio_read_abort");
+  PPPIPInterface* pIf = (PPPIPInterface*)fd;
+  if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further
+  {
+    return;
+  }
+  pIf->m_pStream->abortRead();
+  DBG("ret");
+}
+
+}
+
diff --git a/libraries/net/VodafoneUSBModem/ip/PPPIPInterface.h b/libraries/net/VodafoneUSBModem/ip/PPPIPInterface.h
new file mode 100644
index 0000000000..ef1518a749
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/ip/PPPIPInterface.h
@@ -0,0 +1,65 @@
+/* PPPIPInterface.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef PPPIPINTERFACE_H_
+#define PPPIPINTERFACE_H_
+
+#include "core/fwk.h"
+
+#include "LwIPInterface.h"
+
+#include "lwip/sio.h"
+
+namespace rtos {
+class Semaphore;
+}
+using namespace rtos;
+
+/** Interface using PPP to connect to an IP-based network
+ *
+ */
+class PPPIPInterface : public LwIPInterface
+{
+public:
+    PPPIPInterface(IOStream* pStream);
+    virtual ~PPPIPInterface();
+
+    int init(); //Init PPP-specific stuff, create the right bindings, etc
+    int setup(const char* user, const char* pw); //Setup authentication
+    virtual int connect();
+    virtual int disconnect();
+
+private:
+    int cleanupLink();
+
+    static void linkStatusCb(void *ctx, int errCode, void *arg); //PPP link status
+    Semaphore m_linkStatusSphre;
+    int m_pppErrCode;
+
+    IOStream* m_pStream; //Serial stream
+    bool m_streamAvail;
+
+    int m_pppd;
+
+    friend u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len);
+    friend u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len);
+    friend void sio_read_abort(sio_fd_t fd);
+};
+
+#endif /* PPPIPINTERFACE_H_ */
diff --git a/libraries/net/VodafoneUSBModem/link/LinkMonitor.cpp b/libraries/net/VodafoneUSBModem/link/LinkMonitor.cpp
new file mode 100644
index 0000000000..2a92c1bc32
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/link/LinkMonitor.cpp
@@ -0,0 +1,148 @@
+/* LinkMonitor.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#define __DEBUG__ 0
+#ifndef __MODULE__
+#define __MODULE__ "LinkMonitor.cpp"
+#endif
+
+#include "core/fwk.h"
+
+#include "LinkMonitor.h"
+
+#include 
+using std::sscanf;
+
+#define DEFAULT_TIMEOUT 10000
+
+LinkMonitor::LinkMonitor(ATCommandsInterface* pIf) : m_pIf(pIf), m_rssi(0), m_registrationState(REGISTRATION_STATE_UNKNOWN), m_bearer(BEARER_UNKNOWN)
+{
+
+}
+
+int LinkMonitor::init()
+{
+  // we need to make sure that we setup the operator selection to be in 'numeric' format.
+  // i.e. it is made up of a network and country code when returned by the modem e.g. Operator = 23415. This allows easy logic parsing for
+  // setting up other network parameters in future.
+  DBG("LinkMonitor::init() being called. This should only happen once: executinging AT+COPS=0,2");  
+  int ret = m_pIf->executeSimple("AT+COPS=0,2", NULL, DEFAULT_TIMEOUT); //Configure to set the operator string to Country Code and mobile network code
+  if(ret != OK)
+  {
+    WARN(" NET_PROTOCOL error from sending the AT+COPS command to the modem. ");
+    return NET_PROTOCOL;
+  }
+  return OK;
+}
+
+/*virtual*/ int LinkMonitor::onNewATResponseLine(ATCommandsInterface* pInst, const char* line)
+{
+  DBG("Line is %s", line);
+  int v;
+  if( sscanf(line, "+CREG: %*d,%d", &v) >= 1 ) //Reg state is valid
+  {
+    DBG("+CREG %d", v);
+    switch( v )
+    {
+      case 0:
+        m_registrationState = REGISTRATION_STATE_UNKNOWN;
+        break;
+      case 1:
+        m_registrationState = REGISTRATION_STATE_HOME_NETWORK;
+        break;
+      case 2:
+        m_registrationState = REGISTRATION_STATE_REGISTERING;
+        break;
+      case 3:
+        m_registrationState = REGISTRATION_STATE_DENIED;  
+        break;
+      case 4:
+        m_registrationState = REGISTRATION_STATE_NO_SIGNAL;  
+        break;        
+      case 5:
+        m_registrationState = REGISTRATION_STATE_ROAMING;  
+        break;
+      default:
+        m_registrationState = REGISTRATION_STATE_UNKNOWN;  
+        break;
+    }
+  }
+  else if( sscanf(line, "+COPS: %*d,%*d,\"%*[^\"]\",%d", &v) >= 1 )
+  {
+    DBG("+COPS %d", v);
+    switch( v )
+    {
+      case 0:
+        m_bearer = BEARER_GSM;
+        break;
+      case 2:
+        m_bearer = BEARER_UMTS;
+        break;
+      case 3:
+        m_bearer = BEARER_EDGE;
+        break;
+      case 4: //HSDPA
+      case 5: //HSUPA
+      case 6: //HSDPA + HSUPA
+        m_bearer = BEARER_HSPA;
+        break;
+      case 7:
+        m_bearer = BEARER_LTE;
+        break;  
+      case 1: //GSM Compact
+      default:
+        m_bearer = BEARER_UNKNOWN;
+        break;
+    }
+  }
+  else if( sscanf(line, "+CSQ: %d,%*d", &v) >= 1 )
+  {
+    DBG("+CSQ %d", v);
+    if(v == 99) //Unknown
+    {
+      m_rssi = 0; //Unknown
+    }
+    else
+    {
+      m_rssi = -113 + 2*v;
+    }
+  }
+  return OK;
+}
+
+/*virtual*/ int LinkMonitor::onNewEntryPrompt(ATCommandsInterface* pInst)
+{
+  return OK;
+}
+
+int LinkMonitor::getState(int* pRssi, REGISTRATION_STATE* pRegistrationState, BEARER* pBearer)
+{
+  m_rssi = 0;
+  m_registrationState = REGISTRATION_STATE_UNKNOWN;
+  m_bearer = BEARER_UNKNOWN;
+  int ret = m_pIf->execute("AT+CREG?;+COPS?;+CSQ", this, NULL, DEFAULT_TIMEOUT); //Configure to get registration info & get it; get signal quality
+  if(ret != OK)
+  {
+    return NET_PROTOCOL;
+  }
+  *pRssi = m_rssi;
+  *pRegistrationState = m_registrationState;
+  *pBearer = m_bearer;
+  return OK;
+}
diff --git a/libraries/net/VodafoneUSBModem/link/LinkMonitor.h b/libraries/net/VodafoneUSBModem/link/LinkMonitor.h
new file mode 100644
index 0000000000..bca59b522f
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/link/LinkMonitor.h
@@ -0,0 +1,90 @@
+/* LinkMonitor.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef LINKMONITOR_H_
+#define LINKMONITOR_H_
+
+#include "core/fwk.h"
+
+#include "rtos.h"
+
+#include "at/ATCommandsInterface.h"
+
+/** Component to monitor link quality
+ *
+ */
+class LinkMonitor : protected IATCommandsProcessor
+{
+public:
+  /** Create LinkMonitor instance
+     @param pIf Pointer to the ATCommandsInterface instance to use
+   */
+  LinkMonitor(ATCommandsInterface* pIf);
+
+  /** Initialize monitor
+   */
+  int init();
+
+  /** Registration State
+  */  
+  enum REGISTRATION_STATE
+  {
+    REGISTRATION_STATE_UNKNOWN, //!< Unknown
+    REGISTRATION_STATE_REGISTERING, //!< Registering
+    REGISTRATION_STATE_DENIED, //!< Denied
+    REGISTRATION_STATE_NO_SIGNAL, //!< No Signal
+    REGISTRATION_STATE_HOME_NETWORK, //!< Registered on home network
+    REGISTRATION_STATE_ROAMING //!< Registered on roaming network
+  };
+
+  /** Bearer type
+  */
+  enum BEARER
+  {
+    BEARER_UNKNOWN, //!< Unknown
+    BEARER_GSM, //!< GSM (2G)
+    BEARER_EDGE, //!< EDGE (2.5G)
+    BEARER_UMTS, //!< UMTS (3G)
+    BEARER_HSPA, //!< HSPA (3G+)
+    BEARER_LTE //!< LTE (4G)
+  };
+  
+  /** Get link state
+    @param pRssi pointer to store the current RSSI in dBm, between -51 dBm and -113 dBm if known; -51 dBm means -51 dBm or more; -113 dBm means -113 dBm or less; 0 if unknown
+    @param pRegistrationState pointer to store the current registration state
+    @param pBearer pointer to store the current bearer
+    @return 0 on success, error code on failure
+  */
+  int getState(int* pRssi, REGISTRATION_STATE* pRegistrationState, BEARER* pBearer);
+  
+protected:
+  //IATCommandsProcessor
+  virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line);
+  virtual int onNewEntryPrompt(ATCommandsInterface* pInst);
+  
+private:
+  ATCommandsInterface* m_pIf;
+  
+  int m_rssi;
+  REGISTRATION_STATE m_registrationState;
+  BEARER m_bearer;
+
+};
+
+#endif /* LINKMONITOR_H_ */
diff --git a/libraries/net/VodafoneUSBModem/lwipopts_conf.h b/libraries/net/VodafoneUSBModem/lwipopts_conf.h
new file mode 100644
index 0000000000..065dd79190
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/lwipopts_conf.h
@@ -0,0 +1,25 @@
+/* lwipopts.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef LWIPOPTS_CONF_H_
+#define LWIPOPTS_CONF_H_
+ 
+#define LWIP_TRANSPORT_PPP 1
+
+#endif /* LWIPOPTS_CONF_H_ */
diff --git a/libraries/net/VodafoneUSBModem/serial/io/IOSerialStream.cpp b/libraries/net/VodafoneUSBModem/serial/io/IOSerialStream.cpp
new file mode 100644
index 0000000000..a593587c6e
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/serial/io/IOSerialStream.cpp
@@ -0,0 +1,253 @@
+/* IOSerialStream.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#define __DEBUG__ 0 //Maximum verbosity
+#ifndef __MODULE__
+#define __MODULE__ "IOSerialStream.cpp"
+#endif
+
+#include "core/fwk.h"
+
+#include 
+
+#include "IOSerialStream.h"
+
+IOSerialStream::IOSerialStream(mbed::Serial& serial) : m_serial(serial), m_serialTxFifoEmpty(true),
+m_availableSphre(1), m_spaceSphre(1), m_inBuf(), m_outBuf()
+{
+  m_availableSphre.wait();
+  m_spaceSphre.wait();
+  //Attach interrupts
+  m_serial.attach(this, &IOSerialStream::readable, mbed::Serial::RxIrq);
+  m_serial.attach(this, &IOSerialStream::writeable, mbed::Serial::TxIrq);
+}
+
+/*virtual*/ IOSerialStream::~IOSerialStream()
+{
+  m_serial.attach(NULL, mbed::Serial::RxIrq);
+  m_serial.attach(NULL, mbed::Serial::TxIrq);
+}
+
+//0 for non-blocking (returns immediately), osWaitForever for infinite blocking
+/*virtual*/ int IOSerialStream::read(uint8_t* buf, size_t* pLength, size_t maxLength, uint32_t timeout/*=osWaitForever*/)
+{
+  DBG("Trying to read at most %d chars", maxLength);
+  int ret = waitAvailable(timeout);
+  if(ret)
+  {
+    WARN("Error %d while waiting for incoming data", ret);
+    return ret;
+  }
+  int readLen = MIN( available(), maxLength );
+  *pLength = readLen;
+  setupReadableISR(false);
+  while(readLen--)
+  {
+    m_inBuf.dequeue(buf);
+    buf++;
+  }
+  setupReadableISR(true);
+  DBG("Read %d chars successfully", *pLength);
+  return OK;
+}
+
+/*virtual*/ size_t IOSerialStream::available()
+{
+  setupReadableISR(false); //m_inBuf.available() is not reentrant
+  size_t len = m_inBuf.available();
+  setupReadableISR(true);
+  return len;
+}
+
+/*virtual*/ int IOSerialStream::waitAvailable(uint32_t timeout/*=osWaitForever*/) //Wait for data to be available
+{
+  int ret;
+  if(available()) //Is data already available?
+  {
+    m_availableSphre.wait(0); //Clear the queue as data is available
+    return OK;
+  }
+
+  DBG("Waiting for data availability %d ms (-1 is infinite)", timeout);
+  ret = m_availableSphre.wait(timeout); //Wait for data to arrive or for abort
+  if(ret <= 0)
+  {
+    DBG("Timeout");
+    return NET_TIMEOUT;
+  }
+  if(!available()) //Even if abort has been called, return that data is available
+  {
+    DBG("Aborted");
+    return NET_INTERRUPTED;
+  }
+  DBG("Finished waiting");
+  m_availableSphre.wait(0); //Clear the queue as data is available
+  return OK;
+}
+
+/*virtual*/ int IOSerialStream::abortRead() //Abort current reading (or waiting) operation
+{
+  if( !available() ) //If there is data pending, no need to abort
+  {
+    m_availableSphre.release(); //Force exiting the waiting state; kludge to pass a RC directly
+  }
+  else
+  {
+    DBG("Serial is readable"); ;
+  }
+  return OK;
+}
+
+void IOSerialStream::setupReadableISR(bool en)
+{
+  if(en)
+  {
+    ((LPC_UART_TypeDef *)(UART_3))->IER |= 1 << 0;
+  }
+  else
+  {
+    ((LPC_UART_TypeDef *)(UART_3))->IER &= ~(1 << 0);
+  }
+}
+
+void IOSerialStream::readable() //Callback from m_serial when new data is available
+{
+  do
+  {
+    m_inBuf.queue(((LPC_UART_TypeDef *)UART_3)->RBR); //FIXME mbed libraries this is an awful kludge
+  } while(m_serial.readable());
+  m_availableSphre.release(); //Force exiting the waiting state
+}
+
+//0 for non-blocking (returns immediately), osWaitForever for infinite blocking
+/*virtual*/ int IOSerialStream::write(uint8_t* buf, size_t length, uint32_t timeout/*=osWaitForever*/)
+{
+  DBG("Trying to write %d chars", length);
+  int ret = waitSpace(timeout);
+  if(ret)
+  {
+    WARN("Error %d while waiting for space", ret);
+    return ret;
+  }
+  DBG("Writing %d chars", length);
+  setupWriteableISR(false);
+  while(length)
+  {
+    m_outBuf.queue(*buf);
+    buf++;
+    length--;
+    if(length && !space())
+    {
+      DBG("Waiting to write remaining %d chars", length);
+      setupWriteableISR(true);
+      ret = waitSpace(timeout);
+      if(ret)
+      {
+        WARN("Error %d while waiting for space", ret);
+        return ret;
+      }
+      setupWriteableISR(false);
+    }
+  }
+  //If m_serial tx fifo is empty we need to manually tx a byte in order to trigger the interrupt
+  if( m_outBuf.available() && m_serialTxFifoEmpty )
+  {
+    m_serialTxFifoEmpty = false;
+    uint8_t c;
+    m_outBuf.dequeue(&c);
+    //m_serial.putc((char)c);
+    ((LPC_UART_TypeDef *)UART_3)->THR = c; //FIXME awful kludge
+  }
+  setupWriteableISR(true);
+  DBG("Write successful");
+  return OK;
+}
+
+/*virtual*/ size_t IOSerialStream::space()
+{
+  setupWriteableISR(false); //m_outBuf.available() is not reentrant
+  size_t len = CIRCBUF_SIZE - m_outBuf.available();
+  setupWriteableISR(true);
+  return len;
+}
+
+/*virtual*/ int IOSerialStream::waitSpace(uint32_t timeout/*=osWaitForever*/) //Wait for space to be available
+{
+  int ret;
+  if(space()) //Is still space already left?
+  {
+    m_spaceSphre.wait(0); //Clear the queue as space is available
+    return OK;
+  }
+
+  DBG("Waiting for data space %d ms (-1 is infinite)", timeout);
+  ret = m_spaceSphre.wait(timeout); //Wait for space to be made or for abort
+  if(ret <= 0)
+  {
+    DBG("Timeout");
+    return NET_TIMEOUT;
+  }
+  if(!space()) //Even if abort has been called, return that space is available
+  {
+    DBG("Aborted");
+    return NET_INTERRUPTED;
+  }
+  m_spaceSphre.wait(0); //Clear the queue as space is available
+  return OK;
+}
+
+/*virtual*/ int IOSerialStream::abortWrite() //Abort current writing (or waiting) operation
+{
+  if( !space() ) //If there is space left, no need to abort
+  {
+    m_spaceSphre.release(); //Force exiting the waiting state
+  }
+  return OK;
+}
+
+void IOSerialStream::setupWriteableISR(bool en)
+{
+  if(en)
+  {
+    ((LPC_UART_TypeDef *)(UART_3))->IER |= 1 << 1;
+  }
+  else
+  {
+    ((LPC_UART_TypeDef *)(UART_3))->IER &= ~(1 << 1);
+  }
+}
+
+void IOSerialStream::writeable() //Callback from m_serial when new space is available
+{
+  if(m_outBuf.isEmpty())
+  {
+    m_serialTxFifoEmpty = true;
+  }
+  else
+  {
+    while(m_serial.writeable() && !m_outBuf.isEmpty())
+    {
+      uint8_t c;
+      m_outBuf.dequeue(&c);
+      //m_serial.putc((char)c);
+      ((LPC_UART_TypeDef *)UART_3)->THR = c; //FIXME awful kludge
+    }
+  }
+  m_spaceSphre.release(); //Force exiting the waiting state
+}
diff --git a/libraries/net/VodafoneUSBModem/serial/io/IOSerialStream.h b/libraries/net/VodafoneUSBModem/serial/io/IOSerialStream.h
new file mode 100644
index 0000000000..28d2fecca7
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/serial/io/IOSerialStream.h
@@ -0,0 +1,72 @@
+/* IOSerialStream.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef IOSERIALSTREAM_H_
+#define IOSERIALSTREAM_H_
+
+#include "core/fwk.h"
+
+#include "Serial.h"
+
+#include "rtos.h"
+#include "core/MtxCircBuffer.h"
+
+/** Input Serial Stream for physical serial interfaces (UART...)
+This class is not thread-safe, except for the *Abort() methods that can be called by any thread/ISR
+*/
+#define CIRCBUF_SIZE 255
+class IOSerialStream : public IOStream
+{
+public:
+  IOSerialStream(mbed::Serial& serial);
+  /*virtual*/ ~IOSerialStream();
+
+  //0 for non-blocking (returns immediately), osWaitForever for infinite blocking
+  virtual int read(uint8_t* buf, size_t* pLength, size_t maxLength, uint32_t timeout=osWaitForever);
+  virtual size_t available();
+  virtual int waitAvailable(uint32_t timeout=osWaitForever); //Wait for data to be available
+  virtual int abortRead(); //Abort current reading (or waiting) operation
+
+
+  //0 for non-blocking (returns immediately), osWaitForever for infinite blocking
+  virtual int write(uint8_t* buf, size_t length, uint32_t timeout=osWaitForever);
+  virtual size_t space();
+  virtual int waitSpace(uint32_t timeout=osWaitForever); //Wait for space to be available
+  virtual int abortWrite(); //Abort current writing (or waiting) operation
+
+private:
+
+  mbed::Serial& m_serial;
+  volatile bool m_serialTxFifoEmpty;
+
+  void setupReadableISR(bool en);
+  void readable(); //Callback from m_serial when new data is available
+
+  Semaphore m_availableSphre; //Used for signalling
+
+  void setupWriteableISR(bool en);
+  void writeable(); //Callback from m_serial when new space is available
+
+  Semaphore m_spaceSphre; //Used for signalling
+
+  MtxCircBuffer m_inBuf;
+  MtxCircBuffer m_outBuf;
+
+};
+
+#endif /* IOSERIALSTREAM_H_ */
diff --git a/libraries/net/VodafoneUSBModem/serial/usb/USBSerialStream.cpp b/libraries/net/VodafoneUSBModem/serial/usb/USBSerialStream.cpp
new file mode 100644
index 0000000000..81349ce884
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/serial/usb/USBSerialStream.cpp
@@ -0,0 +1,236 @@
+/* USBSerialStream.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#define __DEBUG__ 0
+#ifndef __MODULE__
+#define __MODULE__ "USBSerialStream.cpp"
+#endif
+
+#include "core/fwk.h"
+
+#include 
+
+#include "USBSerialStream.h"
+
+
+USBSerialStream::USBSerialStream(IUSBHostSerial& serial) : m_serial(serial), m_serialTxFifoEmpty(true),
+m_availableSphre(1), m_spaceSphre(1), m_inBuf()
+{
+  m_availableSphre.wait();
+  m_spaceSphre.wait();
+  //Attach interrupts
+  m_serial.attach(this);
+}
+
+/*virtual*/ USBSerialStream::~USBSerialStream()
+{
+  m_serial.attach(NULL);
+}
+
+//0 for non-blocking (returns immediately), -1 for infinite blocking
+/*virtual*/ int USBSerialStream::read(uint8_t* buf, size_t* pLength, size_t maxLength, uint32_t timeout/*=osWaitForever*/)
+{
+  DBG("Trying to read at most %d chars", maxLength);
+  int ret = waitAvailable(timeout);
+  if(ret)
+  {
+    WARN("Error %d while waiting for incoming data", ret);
+    return ret;
+  }
+  int a = available(); //Prevent macro issues
+  int readLen = MIN( a, maxLength );
+  *pLength = readLen;
+
+  setupReadableISR(false);
+  while(readLen--)
+  {
+    m_inBuf.dequeue(buf);
+    buf++;
+  }
+  setupReadableISR(true);
+  DBG("Read %d chars successfully", *pLength);
+  return OK;
+}
+
+/*virtual*/ size_t USBSerialStream::available()
+{
+  setupReadableISR(false); //m_inBuf.available() is not reentrant
+  size_t len = m_inBuf.available();
+  setupReadableISR(true);
+  return len;
+}
+
+/*virtual*/ int USBSerialStream::waitAvailable(uint32_t timeout/*=osWaitForever*/) //Wait for data to be available
+{
+  int ret;
+  if(available()) //Is data already available?
+  {
+    while( m_availableSphre.wait(0) > 0 ); //Clear the queue as data is available
+    return OK;
+  }
+
+  DBG("Waiting for data availability %d ms (-1 is infinite)", timeout);
+  ret = m_availableSphre.wait(timeout); //Wait for data to arrive or for abort
+  if(ret <= 0)
+  {
+    DBG("Timeout");
+    return NET_TIMEOUT;
+  }
+  if(!m_inBuf.available()) //Even if abort has been called, return that data is available
+  {
+    DBG("Aborted");
+    return NET_INTERRUPTED;
+  }
+  DBG("Finished waiting");
+  while( m_availableSphre.wait(0) > 0 ); //Clear the queue as data is available
+  return OK;
+}
+
+/*virtual*/ int USBSerialStream::abortRead() //Abort current reading (or waiting) operation
+{
+  if( /*!available()*/true ) //If there is data pending, no need to abort
+  {
+    m_availableSphre.release(); //Force exiting the waiting state
+  }
+  else
+  {
+    DBG("Serial is readable"); ;
+  }
+  return OK;
+}
+
+void USBSerialStream::setupReadableISR(bool en)
+{
+  m_serial.setupIrq(en, IUSBHostSerial::RxIrq);
+}
+
+void USBSerialStream::readable() //Callback from m_serial when new data is available
+{
+  while(m_serial.readable())
+  {
+    m_inBuf.queue(m_serial.getc());
+  }
+  m_serial.readPacket(); //Start read of next packet
+  m_availableSphre.release(); //Force exiting the waiting state
+}
+
+//0 for non-blocking (returns immediately), -1 for infinite blocking
+/*virtual*/ int USBSerialStream::write(uint8_t* buf, size_t length, uint32_t timeout/*=-1*/)
+{
+  DBG("Trying to write %d chars", length);
+  do
+  {
+    int ret = waitSpace(timeout);
+    if(ret)
+    {
+      WARN("Error %d while waiting for space", ret);
+      return ret;
+    }
+    int s = space(); //Prevent macro issues
+    int writeLen = MIN( s, length );
+    DBG("Writing %d chars", writeLen);
+    setupWriteableISR(false);
+    while(writeLen)
+    {
+      m_outBuf.queue(*buf);
+      buf++;
+      length--;
+      writeLen--;
+    }
+    //If m_serial tx fifo is empty we need to start the packet write
+    if( m_outBuf.available() && m_serialTxFifoEmpty )
+    {
+      writeable();
+    }
+    setupWriteableISR(true);
+  } while(length);
+
+  DBG("Write successful");
+  return OK;
+}
+
+/*virtual*/ size_t USBSerialStream::space()
+{
+  setupWriteableISR(false); //m_outBuf.available() is not reentrant
+  size_t len = CIRCBUF_SIZE - m_outBuf.available();
+  setupWriteableISR(true);
+  return len;
+}
+
+/*virtual*/ int USBSerialStream::waitSpace(uint32_t timeout/*=-1*/) //Wait for space to be available
+{
+  int ret;
+  if(space()) //Is still space already left?
+  {
+    while( m_spaceSphre.wait(0) > 0); //Clear the queue as space is available
+    return OK;
+  }
+
+  DBG("Waiting for data space %d ms (-1 is infinite)", timeout);
+  ret = m_spaceSphre.wait(timeout); //Wait for space to be made or for abort
+  if(ret <= 0)
+  {
+    DBG("Timeout");
+    return NET_TIMEOUT;
+  }
+  if(!space()) //Even if abort has been called, return that space is available
+  {
+    DBG("Aborted");
+    return NET_INTERRUPTED;
+  }
+  while( m_spaceSphre.wait(0) > 0); //Clear the queue as space is available
+  return OK;
+}
+
+/*virtual*/ int USBSerialStream::abortWrite() //Abort current writing (or waiting) operation
+{
+  if( !space() ) //If there is space left, no need to abort
+  {
+    m_spaceSphre.release(); //Force exiting the waiting state
+  }
+  return OK;
+}
+
+void USBSerialStream::setupWriteableISR(bool en)
+{
+  m_serial.setupIrq(en, IUSBHostSerial::TxIrq);
+}
+
+void USBSerialStream::writeable() //Callback from m_serial when new space is available
+{
+  if(m_outBuf.isEmpty())
+  {
+    m_serialTxFifoEmpty = true;
+  }
+  else
+  {
+    m_serialTxFifoEmpty = false;
+    while(m_serial.writeable() && !m_outBuf.isEmpty())
+    {
+      uint8_t c;
+      m_outBuf.dequeue(&c);
+      m_serial.putc((char)c);
+    }
+    m_serial.writePacket(); //Start packet write
+  }
+  if(!m_outBuf.isFull())
+  {
+    m_spaceSphre.release(); //Force exiting the waiting state
+  }
+}
diff --git a/libraries/net/VodafoneUSBModem/serial/usb/USBSerialStream.h b/libraries/net/VodafoneUSBModem/serial/usb/USBSerialStream.h
new file mode 100644
index 0000000000..0b11dbdc9a
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/serial/usb/USBSerialStream.h
@@ -0,0 +1,73 @@
+/* USBSerialStream.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef USBSERIALSTREAM_H_
+#define USBSERIALSTREAM_H_
+
+
+#include "core/fwk.h"
+
+#include "USB3GModule/IUSBHostSerial.h"
+#include "USB3GModule/IUSBHostSerialListener.h"
+
+#include "rtos.h"
+#include "core/MtxCircBuffer.h"
+
+/* Input Serial Stream for USB virtual serial ports interfaces
+This class is not thread-safe, except for the *Abort() methods that can be called by any thread/ISR
+*/
+#define CIRCBUF_SIZE 127
+class USBSerialStream : public IOStream, IUSBHostSerialListener
+{
+public:
+  USBSerialStream(IUSBHostSerial& serial);
+  /*virtual*/ ~USBSerialStream();
+
+  //0 for non-blocking (returns immediately), osWaitForever for infinite blocking
+  virtual int read(uint8_t* buf, size_t* pLength, size_t maxLength, uint32_t timeout=osWaitForever);
+  virtual size_t available();
+  virtual int waitAvailable(uint32_t timeout=osWaitForever); //Wait for data to be available
+  virtual int abortRead(); //Abort current reading (or waiting) operation
+
+
+  //0 for non-blocking (returns immediately), osWaitForever for infinite blocking
+  virtual int write(uint8_t* buf, size_t length, uint32_t timeout=osWaitForever);
+  virtual size_t space();
+  virtual int waitSpace(uint32_t timeout=osWaitForever); //Wait for space to be available
+  virtual int abortWrite(); //Abort current writing (or waiting) operation
+
+private:
+  IUSBHostSerial& m_serial;
+  volatile bool m_serialTxFifoEmpty;
+
+  void setupReadableISR(bool en);
+  virtual void readable(); //Callback from m_serial when new data is available
+
+  Semaphore m_availableSphre; //Used for signalling
+
+  void setupWriteableISR(bool en);
+  virtual void writeable(); //Callback from m_serial when new space is available
+
+  Semaphore m_spaceSphre; //Used for signalling
+
+  MtxCircBuffer m_inBuf;
+  MtxCircBuffer m_outBuf;
+};
+
+#endif /* USBSERIALSTREAM_H_ */
diff --git a/libraries/net/VodafoneUSBModem/sms/SMSInterface.cpp b/libraries/net/VodafoneUSBModem/sms/SMSInterface.cpp
new file mode 100644
index 0000000000..33a33a0bcc
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/sms/SMSInterface.cpp
@@ -0,0 +1,422 @@
+/* SMSInterface.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#define __DEBUG__ 2
+#ifndef __MODULE__
+#define __MODULE__ "SMSInterface.cpp"
+#endif
+
+#include "core/fwk.h"
+
+#include "SMSInterface.h"
+
+#include 
+#include 
+
+#define DEFAULT_TIMEOUT 10000
+
+SMSInterface::SMSInterface(ATCommandsInterface* pIf) : m_pIf(pIf), m_msg(NULL), m_maxMsgLength(0), m_msisdn(NULL)
+{
+  m_pIf->registerEventsHandler(this); //Add us to the unsolicited result codes handlers
+}
+
+int SMSInterface::init()
+{
+  m_msgRefListCount = 0;
+  m_needsUpdate = true;
+  m_state = SMS_IDLE;
+
+  DBG("Set format");
+  //Set Text mode format
+  int ret = m_pIf->executeSimple("AT+CMGF=1", NULL, DEFAULT_TIMEOUT);
+  if(ret != OK)
+  {
+    return NET_PROTOCOL;
+  }
+
+  DBG("Setup new messages indication");
+  //Setup new messages indication
+  ret = m_pIf->executeSimple("AT+CNMI=2,1,0,0,0", NULL, DEFAULT_TIMEOUT);
+  if(ret != OK)
+  {
+    return NET_PROTOCOL;
+  }
+
+  DBG("Try to fetch inbox");
+  m_inboxMtx.lock();
+  if( m_needsUpdate )
+  {
+    ret = updateInbox(); //Fetch existing messages references
+    if(ret)
+    {
+      m_inboxMtx.unlock();
+      return NET_PROTOCOL;
+    }
+  }
+  m_inboxMtx.unlock();
+
+  DBG("Initialization done");
+  return OK;
+}
+
+int SMSInterface::send(const char* number, const char* message)
+{
+  if( strlen(number) > 16 )
+  {
+    return NET_INVALID; //Number too long to match 3GPP spec
+  }
+
+  int ret;
+
+  //Prepare infos
+  m_state = SMS_SEND_CMD_SENT;
+  m_msg = (char*) message;
+
+  DBG("Send SM");
+  //Send command
+  char cmd[32];
+  std::sprintf(cmd, "AT+CMGS=\"%s\"", number);
+  ret = m_pIf->execute(cmd, this, NULL, DEFAULT_TIMEOUT);
+
+  if( (ret != OK) || (m_state != SMS_CMD_PROCESSED) )
+  {
+    WARN("ret %d, state %d", ret, m_state);
+    m_state = SMS_IDLE;
+    return NET_PROTOCOL;
+  }
+
+  DBG("SM sent");
+  m_state = SMS_IDLE;
+  return OK;
+}
+
+
+int SMSInterface::get(char* number, char* message, size_t maxLength)
+{
+  if( maxLength < 1  )
+  {
+    return NET_INVALID; //Buffer too short
+  }
+
+  int ret;
+
+  DBG("Get next message");
+  m_inboxMtx.lock();
+  if( ((m_msgRefListCount == 0) && m_needsUpdate) || ((m_msgRefListCount > 0) && (m_msgRefList[0] == -1)) )
+  {
+    DBG("Message list count is 0 and needs updating or next index is unknown, calling updateInbox()");
+    ret = updateInbox();
+    
+    if (ret)
+    {
+      m_inboxMtx.unlock();
+      return ret;
+    }
+  }
+  
+  DBG("%d messages to read", m_msgRefListCount);
+
+  if(m_msgRefListCount == 0)
+  {
+    m_inboxMtx.unlock();
+    DBG("Message list count is 0, I think it's empty and returning.");
+    return NET_EMPTY; //No message to read
+  }
+
+  //Prepare infos
+  m_state = SMS_GET_CMD_SENT;
+  m_msisdn = (char*) number;
+  m_msg = (char*) message;
+  m_maxMsgLength = maxLength;
+
+  DBG("Get SMS");
+  //List command
+  char cmd[32];
+  std::sprintf(cmd, "AT+CMGR=%d", m_msgRefList[0]);
+  ret = m_pIf->execute(cmd, this, NULL, DEFAULT_TIMEOUT);
+  if( ret != OK )
+  {
+    WARN("AT+CMGR returned %d", ret);
+    m_state = SMS_IDLE;
+    m_inboxMtx.unlock();
+    return NET_PROTOCOL;
+  }
+
+  if (m_state != SMS_CMD_PROCESSED)
+  {
+    WARN("State variable is not 'SMS_CMD_PROCESSED' - returning 'NET_EMPTY'");
+  }
+
+  DBG("Deleting message from index number: %d", m_msgRefList[0] );
+  //Delete message from outbox
+  std::sprintf(cmd, "AT+CMGD=%d", m_msgRefList[0]);
+  ret = m_pIf->executeSimple(cmd, NULL, DEFAULT_TIMEOUT);
+  if(ret != OK)
+  {
+    ERR("Could not delete message");
+  }
+  //Remove message from list
+  std::memmove(&m_msgRefList[0], &m_msgRefList[1], MIN(m_msgRefListCount-1,MAX_SM-1)*sizeof(m_msgRefList[0]));
+  m_msgRefListCount--;
+  
+  if(m_msgRefListCount > MAX_SM - 1) //Last message index is unknown, so put -1 to tell the lib to fetch it when needed
+  {
+    DBG("Last message index is unknown, will need to be updated");
+    m_msgRefList[MAX_SM - 1] = -1;
+  }
+  
+  DBG("%d messages to read", m_msgRefListCount);
+  
+  if (m_state != SMS_CMD_PROCESSED)
+  {
+    m_state = SMS_IDLE;
+    m_inboxMtx.unlock();
+    return NET_EMPTY;
+  }
+  
+  m_state = SMS_IDLE;
+  m_inboxMtx.unlock();
+
+  return OK;
+}
+
+
+int SMSInterface::getCount(size_t* pCount)
+{
+  int ret;
+
+  m_inboxMtx.lock();
+  if( m_needsUpdate )
+  {
+    ret = updateInbox();
+    if(ret)
+    {
+      m_inboxMtx.unlock();
+      return NET_PROTOCOL;
+    }
+  }
+
+  *pCount = m_msgRefListCount;
+  m_inboxMtx.unlock();
+
+  return OK;
+}
+
+
+/*virtual*/ int SMSInterface::onNewATResponseLine(ATCommandsInterface* pInst, const char* line)
+{
+  if(m_state == SMS_SEND_CMD_SENT)
+  {
+    if( std::sscanf(line, "+CMGS: %*d") == 0 )
+    {
+      DBG("SM sent");
+      m_state = SMS_CMD_PROCESSED;
+    }
+  }
+  else if(m_state == SMS_GET_CMD_SENT)
+  {
+    DBG("Header: %s", line);
+    if( std::sscanf(line, "+CMGR: %*[^,],\"%16[^\"]\"", m_msisdn) == 1 ) //Get message ref
+    {
+      m_state = SMS_GET_HDR_RECEIVED;
+    }
+  }
+  else if(m_state == SMS_GET_HDR_RECEIVED)
+  {
+    DBG("Message: %s", line);
+    size_t cpyLen = MIN( std::strlen(line), m_maxMsgLength - 1 );
+    std::memcpy( m_msg, line, cpyLen );
+    m_msg[cpyLen] = '\0';
+    m_state = SMS_CMD_PROCESSED;
+  }
+  else if(m_state == SMS_GET_COUNT_CMD_SENT)
+  {
+    DBG("Header: %s", line);
+    int msgRef;
+    if( std::sscanf(line, "+CMGL: %d,\"REC", &msgRef) == 1 ) //Filter on REC READ and REC UNREAD messages 
+    {
+      m_state = SMS_GET_COUNT_HDR_RECEIVED;
+      //Add message to list
+      if(m_msgRefListCount < MAX_SM)
+      {
+        m_msgRefList[m_msgRefListCount] = msgRef;
+      }
+      m_msgRefListCount++; //Always count message
+      DBG("m_msgRefListCount=%d",m_msgRefListCount);
+    }
+  }
+  else if(m_state == SMS_GET_COUNT_HDR_RECEIVED)
+  {
+    DBG("Message (debug only): %s", line); //For debug only
+    m_state = SMS_GET_COUNT_CMD_SENT;
+  }
+  return OK;
+}
+
+/*virtual*/ int SMSInterface::onNewEntryPrompt(ATCommandsInterface* pInst)
+{
+  if(m_state == SMS_SEND_CMD_SENT)
+  {
+    char* crPtr = strchr(m_msg, CR);
+    if(crPtr != NULL)
+    {
+      int crPos = crPtr - m_msg;
+      //Replace m_inputBuf[crPos] with null-terminating char
+      m_msg[crPos] = '\x0';
+
+      //If there is a CR char, split message there
+
+      //Do print the message
+      int ret = pInst->sendData(m_msg);
+      if(ret)
+      {
+        return ret;
+      }
+
+      char cr[2] = {CR, '\0'};
+      ret = pInst->sendData(cr);
+      if(ret)
+      {
+        return ret;
+      }
+
+      m_msg += crPos;
+
+      if(m_msg[0] == LF)
+      {
+        m_msg++; //Discard LF char as well
+      }
+
+      return NET_MOREINFO;
+    }
+    else
+    {
+      //Do print the message
+      pInst->sendData(m_msg);
+      return OK;
+    }
+  }
+
+  return OK;
+}
+
+/*virtual*/ bool SMSInterface::isATCodeHandled(const char* atCode) //Is this AT code handled
+{
+  DBG("AT code is %s", atCode);
+  if( strcmp("+CMTI", atCode) == 0 )
+  {
+    return true;
+  }
+
+  DBG("Not handled");
+  return false;
+}
+
+/*virtual*/ void SMSInterface::onDispatchStart()
+{
+    
+}
+
+/*virtual*/ void SMSInterface::onDispatchStop()
+{
+    
+}
+
+/*virtual*/ char* SMSInterface::getEventsEnableCommand()
+{
+  return "AT+CNMI=2,1,0,0,0";
+}
+
+/*virtual*/ char* SMSInterface::getEventsDisableCommand()
+{
+  return "AT+CNMI=0,0,0,0,0"; //Indications will be buffered within the modem and flushed back when the former command is executed
+}
+
+/*virtual*/ void SMSInterface::onEvent(const char* atCode, const char* evt)
+{
+  if( strcmp("+CMTI", atCode) != 0 )
+  {
+    return; //Not supported
+  }
+
+  DBG("Unsollicited result code: %s - %s", atCode, evt);
+
+  //Get index
+  int msgRef;
+  if( std::sscanf(evt, "\"SM\",%d", &msgRef) == 1 )
+  {
+    DBG("Adding message to list (ref %d)", msgRef);
+    if(m_inboxMtx.trylock())
+    {
+      //Add message to list
+      if(m_msgRefListCount < MAX_SM)
+      {
+        m_msgRefList[m_msgRefListCount] = msgRef;
+      }
+      m_msgRefListCount++; //Always count message
+      m_inboxMtx.unlock();
+    }
+    else
+    {
+      WARN("Could not get lock");
+      m_needsUpdate = true;
+    }
+  }
+}
+
+int SMSInterface::updateInbox()
+{
+  //Get memory indexes of unread messages
+
+  DBG("Updating inbox");
+  m_msgRefListCount = 0; //Reset list
+  m_needsUpdate = false; //Assume we won't need update after this routine (can be set to true by an incoming SM event)
+
+  //First list the "REC READ" messages that were not processed in the previous session
+  m_state = SMS_GET_COUNT_CMD_SENT;
+  int ret = m_pIf->execute("AT+CMGL=\"REC READ\"", this, NULL, DEFAULT_TIMEOUT);
+  if( ret != OK )
+  {
+    WARN("AT+CMGL returned %d", ret);
+    m_state = SMS_IDLE;
+    m_msgRefListCount = 0; //List could be invalid
+    m_needsUpdate = true;
+    return NET_PROTOCOL;
+  }
+  
+  //Now list the "REC UNREAD" messages that were received by the modem since
+  m_state = SMS_GET_COUNT_CMD_SENT;
+  ret = m_pIf->execute("AT+CMGL=\"REC UNREAD\"", this, NULL, DEFAULT_TIMEOUT);
+  if( ret != OK )
+  {
+    WARN("AT+CMGL returned %d", ret);
+    m_state = SMS_IDLE;
+    m_msgRefListCount = 0; //List could be invalid
+    m_needsUpdate = true;
+    return NET_PROTOCOL;
+  }
+
+  DBG("%d incoming messages in inbox", m_msgRefListCount);
+
+  m_state = SMS_IDLE;
+
+  return OK;
+}
+
+
diff --git a/libraries/net/VodafoneUSBModem/sms/SMSInterface.h b/libraries/net/VodafoneUSBModem/sms/SMSInterface.h
new file mode 100644
index 0000000000..b2b5c5e6bc
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/sms/SMSInterface.h
@@ -0,0 +1,103 @@
+/* SMSInterface.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef SMSINTERFACE_H_
+#define SMSINTERFACE_H_
+
+#include "core/fwk.h"
+
+#include "rtos.h"
+
+#include "at/ATCommandsInterface.h"
+
+#define MAX_SM 8
+
+/** Component to use the Short Messages Service (SMS)
+ *
+ */
+class SMSInterface : protected IATCommandsProcessor, IATEventsHandler
+{
+public:
+  /** Create SMSInterface instance
+     @param pIf Pointer to the ATCommandsInterface instance to use
+   */
+  SMSInterface(ATCommandsInterface* pIf);
+
+  /** Initialize interface
+    Configure SMS commands & register for SMS-related unsolicited result codes
+   */
+  int init();
+
+  /** Send a SM
+     @param number The receiver's phone number
+     @param message The message to send
+     @return 0 on success, error code on failure
+   */
+  int send(const char* number, const char* message);
+
+
+  /** Receive a SM
+     @param number Pointer to a buffer to store the sender's phone number (must be at least 17 characters-long, including the space for the null-terminating char)
+     @param message Pointer to a buffer to store the the incoming message
+     @param maxLength Maximum message length that can be stored in buffer (including null-terminating character)
+     @return 0 on success, error code on failure
+   */
+  int get(char* number, char* message, size_t maxLength);
+
+
+  /** Get the number of SMs in the incoming box
+     @param pCount pointer to store the number of unprocessed SMs on
+     @return 0 on success, error code on failure
+   */
+  int getCount(size_t* pCount);
+
+protected:
+  //IATCommandsProcessor
+  virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line);
+  virtual int onNewEntryPrompt(ATCommandsInterface* pInst);
+
+  //IATEventsHandler
+  virtual bool isATCodeHandled(const char* atCode); //Is this AT code handled
+  virtual void onDispatchStart();
+  virtual void onDispatchStop();
+  virtual char* getEventsEnableCommand();
+  virtual char* getEventsDisableCommand();
+  virtual void onEvent(const char* atCode, const char* evt);
+
+  //Updates messages count/references
+  int updateInbox();
+
+private:
+  ATCommandsInterface* m_pIf;
+
+  //Current message
+  char* m_msg;
+  size_t m_maxMsgLength;
+  char* m_msisdn;
+
+  //Messages list
+  int m_msgRefList[MAX_SM];
+  size_t m_msgRefListCount;
+  bool m_needsUpdate;
+  Mutex m_inboxMtx; //To protect concurrent accesses btw the user's thread and the AT thread
+
+  enum { SMS_IDLE, SMS_SEND_CMD_SENT, SMS_GET_CMD_SENT, SMS_GET_HDR_RECEIVED, SMS_GET_COUNT_CMD_SENT, SMS_GET_COUNT_HDR_RECEIVED, SMS_CMD_PROCESSED } m_state;
+};
+
+#endif /* SMSINTERFACE_H_ */
diff --git a/libraries/net/VodafoneUSBModem/socket/bsd_socket.h b/libraries/net/VodafoneUSBModem/socket/bsd_socket.h
new file mode 100644
index 0000000000..c442d9cf2a
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/socket/bsd_socket.h
@@ -0,0 +1,34 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef BSD_SOCKET_H_
+#define BSD_SOCKET_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "socket/sys/socket.h" //Must conform to 
+#include "socket/netinet/in.h" //Must conform to 
+#include "socket/netdb.h"      //Must conform to 
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BSD_SOCKET_H_ */
diff --git a/libraries/net/VodafoneUSBModem/socket/netdb.h b/libraries/net/VodafoneUSBModem/socket/netdb.h
new file mode 100644
index 0000000000..199891a503
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/socket/netdb.h
@@ -0,0 +1,47 @@
+/* netdb.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef NETDB_H_
+#define NETDB_H_
+
+#include "lwip/netdb.h"
+
+//DNS
+
+inline struct hostent *gethostbyname(const char *name)
+{
+  return lwip_gethostbyname(name);
+}
+
+inline int gethostbyname_r(const char *name, struct hostent *ret, char *buf, size_t buflen, struct hostent **result, int *h_errnop)
+{
+  return lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop);
+}
+
+inline void freeaddrinfo(struct addrinfo *ai)
+{
+  return lwip_freeaddrinfo(ai);
+}
+
+inline int getaddrinfo(const char *nodename, const char *servname, const struct addrinfo *hints, struct addrinfo **res)
+{
+  return lwip_getaddrinfo(nodename, servname, hints, res);
+}
+
+#endif /* NETDB_H_ */
diff --git a/libraries/net/VodafoneUSBModem/socket/netinet/in.h b/libraries/net/VodafoneUSBModem/socket/netinet/in.h
new file mode 100644
index 0000000000..e67114245c
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/socket/netinet/in.h
@@ -0,0 +1,25 @@
+/* in.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef IN_H_
+#define IN_H_
+
+#include "lwip/inet.h"
+
+#endif /* IN_H_ */
diff --git a/libraries/net/VodafoneUSBModem/socket/sys/socket.h b/libraries/net/VodafoneUSBModem/socket/sys/socket.h
new file mode 100644
index 0000000000..3db9028250
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/socket/sys/socket.h
@@ -0,0 +1,126 @@
+/* socket.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef SYS_SOCKET_H_
+#define SYS_SOCKET_H_
+
+#include "lwip/sockets.h"
+
+//Sockets
+
+inline int accept(int s, struct sockaddr *addr, socklen_t *addrlen)
+{
+  return lwip_accept(s, addr, addrlen);
+}
+
+inline int bind(int s, const struct sockaddr *name, socklen_t namelen)
+{
+  return lwip_bind(s, name, namelen);
+}
+
+inline int shutdown(int s, int how)
+{
+  return lwip_shutdown(s, how);
+}
+
+inline int getsockname (int s, struct sockaddr *name, socklen_t *namelen)
+{
+  return lwip_getsockname(s, name, namelen);
+}
+
+inline int getpeername (int s, struct sockaddr *name, socklen_t *namelen)
+{
+  return lwip_getpeername(s, name, namelen);
+}
+
+inline int getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen)
+{
+  return lwip_getsockopt(s, level, optname, optval, optlen);
+}
+
+inline int setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen)
+{
+  return lwip_setsockopt(s, level, optname, optval, optlen);
+}
+
+inline int connect(int s, const struct sockaddr *name, socklen_t namelen)
+{
+  return lwip_connect(s, name, namelen);
+}
+
+inline int listen(int s, int backlog)
+{
+  return lwip_listen(s, backlog);
+}
+
+inline int recv(int s, void *mem, size_t len, int flags)
+{
+  return lwip_recv(s, mem, len, flags);
+}
+
+inline int recvfrom(int s, void *mem, size_t len, int flags,
+      struct sockaddr *from, socklen_t *fromlen)
+{
+  return lwip_recvfrom(s, mem, len, flags, from, fromlen);
+}
+
+inline int send(int s, const void *dataptr, size_t size, int flags)
+{
+  return lwip_send(s, dataptr, size, flags);
+}
+
+inline int sendto(int s, const void *dataptr, size_t size, int flags,
+    const struct sockaddr *to, socklen_t tolen)
+{
+  return lwip_sendto(s, dataptr, size, flags, to, tolen);
+}
+
+inline int socket(int domain, int type, int protocol)
+{
+  return lwip_socket(domain, type, protocol);
+}
+
+inline int select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
+                struct timeval *timeout)
+{
+  return lwip_select(maxfdp1, readset, writeset, exceptset, timeout);
+}
+
+inline int ioctlsocket(int s, long cmd, void *argp)
+{
+  return lwip_ioctl(s, cmd, argp);
+}
+
+inline int read(int s, void *mem, size_t len)
+{
+  return lwip_read(s, mem, len);
+}
+
+inline int write(int s, const void *dataptr, size_t size)
+{
+  return lwip_write(s, dataptr, size);
+}
+
+inline int close(int s)
+{
+  return lwip_close(s);
+}
+
+#endif /* SYS_SOCKET_H_ */
diff --git a/libraries/net/VodafoneUSBModem/ussd/USSDInterface.cpp b/libraries/net/VodafoneUSBModem/ussd/USSDInterface.cpp
new file mode 100644
index 0000000000..4815babd6a
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/ussd/USSDInterface.cpp
@@ -0,0 +1,196 @@
+/* USSDInterface.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#define __DEBUG__ 0
+#ifndef __MODULE__
+#define __MODULE__ "USSDInterface.cpp"
+#endif
+
+#include "core/fwk.h"
+
+#include "USSDInterface.h"
+
+#include 
+
+#define DEFAULT_TIMEOUT 10000
+#define USSD_TIMEOUT 15000
+
+USSDInterface::USSDInterface(ATCommandsInterface* pIf) : m_pIf(pIf), m_responseMtx(), m_responseSphre(1), m_result(NULL), m_maxResultLength(0)
+{
+  m_responseSphre.wait(0); //Take ownership of the semaphore
+  m_pIf->registerEventsHandler(this); //Add us to the unsolicited result codes handlers
+}
+
+int USSDInterface::init()
+{
+  DBG("Initialization done");
+  return OK;
+}
+
+int USSDInterface::send(const char* command, char* result, size_t maxLength)
+{
+  if (strlen(command) > 20) //Prevent buffer overflow
+  {
+    return NET_TOOSMALL;
+  }
+
+  m_responseMtx.lock();
+  m_result = result;
+  m_maxResultLength = maxLength;
+  m_responseMtx.unlock();
+
+  m_responseSphre.wait(0); //Make sure there is not a pending result that needs to be discarded
+
+  DBG("Send USSD command & register for unsolicited result codes");
+  //Send USSD command to the network
+  char cmd[32];
+  std::sprintf(cmd, "AT+CUSD=1,\"%s\"", command);
+  int ret = m_pIf->execute(cmd, this, NULL, DEFAULT_TIMEOUT);
+  if( ret != OK )
+  {
+    return NET_PROTOCOL;
+  }
+  
+  //Did we already get a response (3GPP rev < 6) ?
+
+  //Now wait for response
+  int res = m_responseSphre.wait(USSD_TIMEOUT);
+
+  //Reset data
+  m_responseMtx.lock();
+  m_result = NULL;
+  m_maxResultLength = 0;
+  m_responseMtx.unlock();
+
+  if(res <= 0)
+  {
+    DBG("No result received");
+    ret = m_pIf->executeSimple("AT+CUSD=2", NULL, DEFAULT_TIMEOUT); //Cancel command
+    if( ret != OK )
+    {
+      return NET_PROTOCOL;
+    }
+    return NET_TIMEOUT;
+  }
+
+  DBG("Result received: %s", result);
+
+  return OK;
+}
+
+/*virtual*/ int USSDInterface::onNewATResponseLine(ATCommandsInterface* pInst, const char* line)
+{
+  const char* pSemicol = strchr(line, ':');
+  if( ( (pSemicol - line) != strlen("+CUSD") ) || ( memcmp(line, "+CUSD", strlen("+CUSD")) != 0) )
+  {
+    WARN("Unknown code");
+    return OK;
+  }
+
+  const char* pData = NULL;
+  if( pSemicol != NULL ) //Split the identifier & the result code (if it exists)
+  {
+    pData = pSemicol + 1;
+    if(pData[0]==' ')
+    {
+      pData++; //Suppress whitespace
+    }
+    processResult(pData);
+  }
+  return OK;
+}
+
+/*virtual*/ int USSDInterface::onNewEntryPrompt(ATCommandsInterface* pInst)
+{
+  return OK;
+}
+
+/*virtual*/ bool USSDInterface::isATCodeHandled(const char* atCode) //Is this AT code handled
+{
+  DBG("AT code is %s", atCode);
+  if( strcmp("+CUSD", atCode) == 0 )
+  {
+    return true;
+  }
+
+  DBG("Not handled");
+  return false;
+}
+
+/*virtual*/ void USSDInterface::onDispatchStart()
+{
+
+
+}
+
+/*virtual*/ void USSDInterface::onDispatchStop()
+{
+
+}
+
+/*virtual*/ char* USSDInterface::getEventsEnableCommand()
+{
+  return NULL; //No need to disable events here
+}
+
+/*virtual*/ char* USSDInterface::getEventsDisableCommand()
+{
+  return NULL; //No need to re-enable events here
+}
+
+/*virtual*/ void USSDInterface::onEvent(const char* atCode, const char* evt)
+{
+  if( strcmp("+CUSD", atCode) != 0 )
+  {
+    WARN("Wrong AT Code");
+    return; //Not supported
+  }
+
+  processResult(evt);
+}
+
+void USSDInterface::processResult(const char* data)
+{
+  char* pStart = (char*) strchr(data,'\"');
+  if(pStart==NULL)
+  {
+    WARN("Could not find opening quote");
+    return; //Invalid/incomplete response
+  }
+  pStart++; //Point to first char of response
+  char* pEnd = (char*) strchr(pStart,'\"');
+  if(pEnd==NULL)
+  {
+    WARN("Could not find closing quote");
+    return; //Invalid/incomplete response
+  }
+  m_responseMtx.lock();
+  if(m_maxResultLength == 0) //No pending command
+  {
+    WARN("No pending command");
+    m_responseMtx.unlock();
+    return;
+  }
+  size_t cpyLen = MIN( pEnd - pStart, m_maxResultLength - 1 );
+  memcpy((void*)m_result, pStart, cpyLen);
+  m_result[cpyLen] = '\0';
+  DBG("Got USSD response: %s", m_result);
+  m_responseMtx.unlock();
+  m_responseSphre.release(); //Signal user thread that response is ready
+}
diff --git a/libraries/net/VodafoneUSBModem/ussd/USSDInterface.h b/libraries/net/VodafoneUSBModem/ussd/USSDInterface.h
new file mode 100644
index 0000000000..47984d1d91
--- /dev/null
+++ b/libraries/net/VodafoneUSBModem/ussd/USSDInterface.h
@@ -0,0 +1,80 @@
+/* USSDInterface.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef USSDINTERFACE_H_
+#define USSDINTERFACE_H_
+
+#include "core/fwk.h"
+
+#include "rtos.h"
+
+#include "at/ATCommandsInterface.h"
+
+/** Component to send/receive Unstructured Supplementary Service Data (USSD)
+ *
+ */
+class USSDInterface : protected IATCommandsProcessor, IATEventsHandler
+{
+public:
+  /** Create USSDInterface instance
+     @param pIf Pointer to the ATCommandsInterface instance to use
+   */
+  USSDInterface(ATCommandsInterface* pIf);
+
+  /** Initialize interface
+   Configure USSD commands & register for USSD-related unsolicited result codes
+  */
+  int init();
+
+  /** Send a USSD command & wait for its result
+    @param command The command to send
+    @param result Buffer in which to store the result
+    @param maxLength Maximum result length that can be stored in buffer (including null-terminating character)
+    @return 0 on success, error code on failure
+  */
+  int send(const char* command, char* result, size_t maxLength);
+
+protected:
+  //IATCommandsProcessor, needed for implementations of 3GGP standard < r06
+  virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line);
+  virtual int onNewEntryPrompt(ATCommandsInterface* pInst);
+  
+  //IATEventsHandler, needed for implementations of 3GGP standard >= r06
+  virtual bool isATCodeHandled(const char* atCode); //Is this AT code handled
+  virtual void onDispatchStart();
+  virtual void onDispatchStop();
+  virtual char* getEventsEnableCommand();
+  virtual char* getEventsDisableCommand();
+  virtual void onEvent(const char* atCode, const char* evt);
+
+private:
+  void processResult(const char* data);
+
+  ATCommandsInterface* m_pIf;
+  Mutex m_responseMtx; //To protect concurrent accesses btw the user's thread and the AT thread
+  Semaphore m_responseSphre;
+
+  //Result
+  volatile char* m_result;
+  volatile size_t m_maxResultLength;
+
+};
+
+
+#endif /* USSDINTERFACE_H_ */
diff --git a/libraries/net/lwip/Socket/Endpoint.cpp b/libraries/net/lwip/Socket/Endpoint.cpp
new file mode 100644
index 0000000000..fd42835913
--- /dev/null
+++ b/libraries/net/lwip/Socket/Endpoint.cpp
@@ -0,0 +1,61 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "Socket/Socket.h"
+#include "Socket/Endpoint.h"
+#include 
+
+using std::memset;
+
+Endpoint::Endpoint()  {
+    reset_address();
+}
+Endpoint::~Endpoint() {}
+
+void Endpoint::reset_address(void) {
+    memset(&_remoteHost, 0, sizeof(struct sockaddr_in));
+    _ipAddress[0] = '\0';
+}
+
+int Endpoint::set_address(const char* host, const int port) {
+    //Resolve DNS address or populate hard-coded IP address
+    struct hostent *server = ::gethostbyname(host);
+    if (server == NULL)
+        return -1; //Could not resolve address
+    
+    reset_address();
+    
+    // Set IP address
+    std::memcpy((char*) &_remoteHost.sin_addr.s_addr,
+                (char*) server->h_addr_list[0], server->h_length);
+    _remoteHost.sin_family = AF_INET;
+    
+    // Set port
+    _remoteHost.sin_port = htons(port);
+    
+    return 0;
+}
+
+char* Endpoint::get_address() {
+    if ((_ipAddress[0] == '\0') && (_remoteHost.sin_addr.s_addr != 0))
+            inet_ntoa_r(_remoteHost.sin_addr, _ipAddress, sizeof(_ipAddress));
+    return _ipAddress;
+}
+
+int   Endpoint::get_port() {
+    return ntohs(_remoteHost.sin_port);
+}
diff --git a/libraries/net/lwip/Socket/Endpoint.h b/libraries/net/lwip/Socket/Endpoint.h
new file mode 100644
index 0000000000..d90d2150ea
--- /dev/null
+++ b/libraries/net/lwip/Socket/Endpoint.h
@@ -0,0 +1,63 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef ENDPOINT_H
+#define ENDPOINT_H
+
+class UDPSocket;
+
+/**
+IP Endpoint (address, port)
+*/
+class Endpoint {
+    friend class UDPSocket;
+
+public:
+    /** IP Endpoint (address, port)
+     */
+    Endpoint(void);
+    
+    ~Endpoint(void);
+    
+    /** Reset the address of this endpoint
+     */
+    void reset_address(void);
+    
+    /** Set the address of this endpoint
+    \param host The endpoint address (it can either be an IP Address or a hostname that will be resolved with DNS).
+    \param port The endpoint port
+    \return 0 on success, -1 on failure (when an hostname cannot be resolved by DNS).
+     */
+    int  set_address(const char* host, const int port);
+    
+    /** Get the IP address of this endpoint
+    \return The IP address of this endpoint.
+     */
+    char* get_address(void);
+    
+    /** Get the port of this endpoint
+    \return The port of this endpoint
+     */
+    int get_port(void);
+
+protected:
+    char _ipAddress[16];
+    struct sockaddr_in _remoteHost;
+
+};
+
+#endif
diff --git a/libraries/net/lwip/Socket/Socket.cpp b/libraries/net/lwip/Socket/Socket.cpp
new file mode 100644
index 0000000000..13580ff3d5
--- /dev/null
+++ b/libraries/net/lwip/Socket/Socket.cpp
@@ -0,0 +1,81 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "Socket/Socket.h"
+#include 
+
+using std::memset;
+
+Socket::Socket() : _sock_fd(-1), _blocking(true), _timeout(1500) {
+    
+}
+
+void Socket::set_blocking(bool blocking, unsigned int timeout) {
+    _blocking = blocking;
+    _timeout = timeout;
+}
+
+int Socket::init_socket(int type) {
+    if (_sock_fd != -1)
+        return -1;
+    
+    int fd = lwip_socket(AF_INET, type, 0);
+    if (fd < 0)
+        return -1;
+    
+    _sock_fd = fd;
+    return 0;
+}
+
+int Socket::select(struct timeval *timeout, bool read, bool write) {
+    fd_set fdSet;
+    FD_ZERO(&fdSet);
+    FD_SET(_sock_fd, &fdSet);
+    
+    fd_set* readset  = (read ) ? (&fdSet) : (NULL);
+    fd_set* writeset = (write) ? (&fdSet) : (NULL);
+    
+    int ret = lwip_select(FD_SETSIZE, readset, writeset, NULL, timeout);
+    return (ret <= 0 || !FD_ISSET(_sock_fd, &fdSet)) ? (-1) : (0);
+}
+
+int Socket::wait_readable(TimeInterval& timeout) {
+    return select(&timeout._time, true, false);
+}
+
+int Socket::wait_writable(TimeInterval& timeout) {
+    return select(&timeout._time, false, true);
+}
+
+int Socket::close() {
+    if (_sock_fd < 0)
+        return -1;
+    
+    lwip_close(_sock_fd);
+    _sock_fd = -1;
+    
+    return 0;
+}
+
+Socket::~Socket() {
+    close(); //Don't want to leak
+}
+
+TimeInterval::TimeInterval(unsigned int ms) {
+    _time.tv_sec = ms / 1000;
+    _time.tv_usec = (ms - (_time.tv_sec * 1000)) * 1000;
+}
diff --git a/libraries/net/lwip/Socket/Socket.h b/libraries/net/lwip/Socket/Socket.h
new file mode 100644
index 0000000000..95c55f3b4d
--- /dev/null
+++ b/libraries/net/lwip/Socket/Socket.h
@@ -0,0 +1,85 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef SOCKET_H_
+#define SOCKET_H_
+
+#include "lwip/sockets.h"
+#include "lwip/netdb.h"
+
+//DNS
+inline struct hostent *gethostbyname(const char *name) {
+  return lwip_gethostbyname(name);
+}
+
+inline int gethostbyname_r(const char *name, struct hostent *ret, char *buf, size_t buflen, struct hostent **result, int *h_errnop) {
+  return lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop);
+}
+
+class TimeInterval;
+
+/** Socket file descriptor and select wrapper
+  */
+class Socket {
+public:
+    /** Socket
+     */
+    Socket();
+    
+    /** Set blocking or non-blocking mode of the socket and a timeout on
+        blocking socket operations
+    \param blocking  true for blocking mode, false for non-blocking mode.
+    \param timeout   timeout in ms [Default: (1500)ms].
+    */
+    void set_blocking(bool blocking, unsigned int timeout=1500);
+    
+    /** Close the socket file descriptor
+     */
+    int close();
+    
+    ~Socket();
+    
+protected:
+    int _sock_fd;
+    int init_socket(int type);
+    
+    int wait_readable(TimeInterval& timeout);
+    int wait_writable(TimeInterval& timeout);
+    
+    bool _blocking;
+    unsigned int _timeout;
+    
+private:
+    int select(struct timeval *timeout, bool read, bool write);
+};
+
+/** Time interval class used to specify timeouts
+ */
+class TimeInterval {
+    friend class Socket;
+
+public:
+    /** Time Interval
+     \param ms time interval expressed in milliseconds
+      */
+    TimeInterval(unsigned int ms);
+    
+private:
+    struct timeval _time;
+};
+
+#endif /* SOCKET_H_ */
diff --git a/libraries/net/lwip/Socket/TCPSocketConnection.cpp b/libraries/net/lwip/Socket/TCPSocketConnection.cpp
new file mode 100644
index 0000000000..d84dc9c6b3
--- /dev/null
+++ b/libraries/net/lwip/Socket/TCPSocketConnection.cpp
@@ -0,0 +1,133 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "TCPSocketConnection.h"
+#include 
+
+using std::memset;
+using std::memcpy;
+
+TCPSocketConnection::TCPSocketConnection() :
+        _is_connected(false) {
+}
+
+int TCPSocketConnection::connect(const char* host, const int port) {
+    if (init_socket(SOCK_STREAM) < 0)
+        return -1;
+    
+    if (set_address(host, port) != 0)
+        return -1;
+    
+    if (lwip_connect(_sock_fd, (const struct sockaddr *) &_remoteHost, sizeof(_remoteHost)) < 0) {
+        close();
+        return -1;
+    }
+    _is_connected = true;
+    
+    return 0;
+}
+
+bool TCPSocketConnection::is_connected(void) {
+    return _is_connected;
+}
+
+int TCPSocketConnection::send(char* data, int length) {
+    if ((_sock_fd < 0) || !_is_connected)
+        return -1;
+    
+    if (!_blocking) {
+        TimeInterval timeout(_timeout);
+        if (wait_writable(timeout) != 0)
+            return -1;
+    }
+    
+    int n = lwip_send(_sock_fd, data, length, 0);
+    _is_connected = (n != 0);
+    
+    return n;
+}
+
+// -1 if unsuccessful, else number of bytes written
+int TCPSocketConnection::send_all(char* data, int length) {
+    if ((_sock_fd < 0) || !_is_connected)
+        return -1;
+    
+    size_t writtenLen = 0;
+    TimeInterval timeout(_timeout);
+    while (writtenLen < length) {
+        if (!_blocking) {
+            // Wait for socket to be writeable
+            if (wait_writable(timeout) != 0)
+                return writtenLen;
+        }
+        
+        int ret = lwip_send(_sock_fd, data + writtenLen, length - writtenLen, 0);
+        if (ret > 0) {
+            writtenLen += ret;
+            continue;
+        } else if (ret == 0) {
+            _is_connected = false;
+            return writtenLen;
+        } else {
+            return -1; //Connnection error
+        }
+    }
+    return writtenLen;
+}
+
+int TCPSocketConnection::receive(char* data, int length) {
+    if ((_sock_fd < 0) || !_is_connected)
+        return -1;
+    
+    if (!_blocking) {
+        TimeInterval timeout(_timeout);
+        if (wait_readable(timeout) != 0)
+            return -1;
+    }
+    
+    int n = lwip_recv(_sock_fd, data, length, 0);
+    _is_connected = (n != 0);
+    
+    return n;
+}
+
+// -1 if unsuccessful, else number of bytes received
+int TCPSocketConnection::receive_all(char* data, int length) {
+    if ((_sock_fd < 0) || !_is_connected)
+        return -1;
+    
+    size_t readLen = 0;
+    TimeInterval timeout(_timeout);
+    while (readLen < length) {
+        if (!_blocking) {
+            //Wait for socket to be readable
+            if (wait_readable(timeout) != 0)
+                return readLen;
+        }
+        
+        int ret = lwip_recv(_sock_fd, data + readLen, length - readLen, 0);
+        if (ret > 0) {
+            readLen += ret;
+        } else if (ret == 0) {
+            _is_connected = false;
+            return readLen;
+        } else {
+            return -1; //Connnection error
+        }
+    }
+    return readLen;
+}
diff --git a/libraries/net/lwip/Socket/TCPSocketConnection.h b/libraries/net/lwip/Socket/TCPSocketConnection.h
new file mode 100644
index 0000000000..7af7bf624c
--- /dev/null
+++ b/libraries/net/lwip/Socket/TCPSocketConnection.h
@@ -0,0 +1,81 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef TCPSOCKET_H
+#define TCPSOCKET_H
+
+#include "Socket/Socket.h"
+#include "Socket/Endpoint.h"
+
+/**
+TCP socket connection
+*/
+class TCPSocketConnection : public Socket, public Endpoint {
+    friend class TCPSocketServer;
+    
+public:
+    /** TCP socket connection
+    */
+    TCPSocketConnection();
+    
+    /** Connects this TCP socket to the server
+    \param host The host to connect to. It can either be an IP Address or a hostname that will be resolved with DNS.
+    \param port The host's port to connect to.
+    \return 0 on success, -1 on failure.
+    */
+    int connect(const char* host, const int port);
+    
+    /** Check if the socket is connected
+    \return true if connected, false otherwise.
+    */
+    bool is_connected(void);
+    
+    /** Send data to the remote host.
+    \param data The buffer to send to the host.
+    \param length The length of the buffer to send.
+    \return the number of written bytes on success (>=0) or -1 on failure
+     */
+    int send(char* data, int length);
+    
+    /** Send all the data to the remote host.
+    \param data The buffer to send to the host.
+    \param length The length of the buffer to send.
+    \return the number of written bytes on success (>=0) or -1 on failure
+    */
+    int send_all(char* data, int length);
+    
+    /** Receive data from the remote host.
+    \param data The buffer in which to store the data received from the host.
+    \param length The maximum length of the buffer.
+    \return the number of received bytes on success (>=0) or -1 on failure
+     */
+    int receive(char* data, int length);
+    
+    /** Receive all the data from the remote host.
+    \param data The buffer in which to store the data received from the host.
+    \param length The maximum length of the buffer.
+    \return the number of received bytes on success (>=0) or -1 on failure
+    */
+    int receive_all(char* data, int length);
+
+private:
+    bool _is_connected;
+
+};
+
+#endif
diff --git a/libraries/net/lwip/Socket/TCPSocketServer.cpp b/libraries/net/lwip/Socket/TCPSocketServer.cpp
new file mode 100644
index 0000000000..d894b94e39
--- /dev/null
+++ b/libraries/net/lwip/Socket/TCPSocketServer.cpp
@@ -0,0 +1,78 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "TCPSocketServer.h"
+
+#include 
+
+using std::memset;
+using std::memcpy;
+
+TCPSocketServer::TCPSocketServer() {
+    
+}
+
+int TCPSocketServer::bind(int port) {
+    if (init_socket(SOCK_STREAM) < 0)
+        return -1;
+    
+    struct sockaddr_in localHost;
+    memset(&localHost, 0, sizeof(localHost));
+    
+    localHost.sin_family = AF_INET;
+    localHost.sin_port = htons(port);
+    localHost.sin_addr.s_addr = INADDR_ANY;
+    
+    if (lwip_bind(_sock_fd, (const struct sockaddr *) &localHost, sizeof(localHost)) < 0) {
+        close();
+        return -1;
+    }
+    
+    return 0;
+}
+
+int TCPSocketServer::listen(int max) {
+    if (_sock_fd < 0)
+        return -1;
+    
+    if (lwip_listen(_sock_fd, max) < 0) {
+        close();
+        return -1;
+    }
+    
+    return 0;
+}
+
+int TCPSocketServer::accept(TCPSocketConnection& connection) {
+    if (_sock_fd < 0)
+        return -1;
+    
+    if (!_blocking) {
+        TimeInterval timeout(_timeout);
+        if (wait_readable(timeout) != 0)
+            return -1;
+    }
+    connection.reset_address();
+    socklen_t newSockRemoteHostLen = sizeof(connection._remoteHost);
+    int fd = lwip_accept(_sock_fd, (struct sockaddr*) &connection._remoteHost, &newSockRemoteHostLen);
+    if (fd < 0)
+        return -1; //Accept failed
+    connection._sock_fd = fd;
+    connection._is_connected = true;
+    
+    return 0;
+}
diff --git a/libraries/net/lwip/Socket/TCPSocketServer.h b/libraries/net/lwip/Socket/TCPSocketServer.h
new file mode 100644
index 0000000000..214791ce45
--- /dev/null
+++ b/libraries/net/lwip/Socket/TCPSocketServer.h
@@ -0,0 +1,52 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef TCPSOCKETSERVER_H
+#define TCPSOCKETSERVER_H
+
+#include "Socket/Socket.h"
+#include "TCPSocketConnection.h"
+
+/** TCP Server.
+  */
+class TCPSocketServer : public Socket {
+  public:
+    /** Instantiate a TCP Server.
+    */
+    TCPSocketServer();
+    
+    /** Bind a socket to a specific port.
+    \param port The port to listen for incoming connections on.
+    \return 0 on success, -1 on failure.
+    */
+    int bind(int port);
+    
+    /** Start listening for incoming connections.
+    \param backlog number of pending connections that can be queued up at any
+                   one time [Default: 1].
+    \return 0 on success, -1 on failure.
+    */
+    int listen(int backlog=1);
+    
+    /** Accept a new connection.
+    \param connection A TCPSocketConnection instance that will handle the incoming connection.
+    \return 0 on success, -1 on failure.
+    */
+    int accept(TCPSocketConnection& connection);
+};
+
+#endif
diff --git a/libraries/net/lwip/Socket/UDPSocket.cpp b/libraries/net/lwip/Socket/UDPSocket.cpp
new file mode 100644
index 0000000000..43eac9dcf8
--- /dev/null
+++ b/libraries/net/lwip/Socket/UDPSocket.cpp
@@ -0,0 +1,79 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "Socket/UDPSocket.h"
+
+#include 
+
+using std::memset;
+
+UDPSocket::UDPSocket() {
+}
+
+int UDPSocket::init(void) {
+    return init_socket(SOCK_DGRAM);
+}
+
+// Server initialization
+int UDPSocket::bind(int port) {
+    if (init_socket(SOCK_DGRAM) < 0)
+        return -1;
+    
+    struct sockaddr_in localHost;
+    std::memset(&localHost, 0, sizeof(localHost));
+    
+    localHost.sin_family = AF_INET;
+    localHost.sin_port = htons(port);
+    localHost.sin_addr.s_addr = INADDR_ANY;
+    
+    if (lwip_bind(_sock_fd, (const struct sockaddr *) &localHost, sizeof(localHost)) < 0) {
+        close();
+        return -1;
+    }
+    
+    return 0;
+}
+
+// -1 if unsuccessful, else number of bytes written
+int UDPSocket::sendTo(Endpoint &remote, char *packet, int length) {
+    if (_sock_fd < 0)
+        return -1;
+    
+    if (!_blocking) {
+        TimeInterval timeout(_timeout);
+        if (wait_writable(timeout) != 0)
+            return 0;
+    }
+    
+    return lwip_sendto(_sock_fd, packet, length, 0, (const struct sockaddr *) &remote._remoteHost, sizeof(remote._remoteHost));
+}
+
+// -1 if unsuccessful, else number of bytes received
+int UDPSocket::receiveFrom(Endpoint &remote, char *buffer, int length) {
+    if (_sock_fd < 0)
+        return -1;
+    
+    if (!_blocking) {
+        TimeInterval timeout(_timeout);
+        if (wait_readable(timeout) != 0)
+            return 0;
+    }
+    remote.reset_address();
+    socklen_t remoteHostLen = sizeof(remote._remoteHost);
+    return lwip_recvfrom(_sock_fd, buffer, length, 0, (struct sockaddr*) &remote._remoteHost, &remoteHostLen);
+}
diff --git a/libraries/net/lwip/Socket/UDPSocket.h b/libraries/net/lwip/Socket/UDPSocket.h
new file mode 100644
index 0000000000..a4c723bffa
--- /dev/null
+++ b/libraries/net/lwip/Socket/UDPSocket.h
@@ -0,0 +1,66 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef UDPSOCKET_H
+#define UDPSOCKET_H
+
+#include "Socket/Socket.h"
+#include "Socket/Endpoint.h"
+
+#include 
+
+/**
+UDP Socket
+*/
+class UDPSocket : public Socket {
+
+public:
+    /** Instantiate an UDP Socket.
+    */
+    UDPSocket();
+    
+    /** Init the UDP Client Socket without binding it to any specific port
+    \return 0 on success, -1 on failure.
+    */
+    int init(void);
+    
+    /** Bind a UDP Server Socket to a specific port
+    \param port The port to listen for incoming connections on
+    \return 0 on success, -1 on failure.
+    */
+    int bind(int port);
+    
+    /** Send a packet to a remote endpoint
+    \param remote   The remote endpoint
+    \param packet   The packet to be sent
+    \param length   The length of the packet to be sent
+    \return the number of written bytes on success (>=0) or -1 on failure
+    */
+    int sendTo(Endpoint &remote, char *packet, int length);
+    
+    /** Receive a packet from a remote endpoint
+    \param remote   The remote endpoint
+    \param buffer   The buffer for storing the incoming packet data. If a packet
+           is too long to fit in the supplied buffer, excess bytes are discarded
+    \param length   The length of the buffer
+    \return the number of received bytes on success (>=0) or -1 on failure
+    */
+    int receiveFrom(Endpoint &remote, char *buffer, int length);
+};
+
+#endif
diff --git a/libraries/net/lwip/lwip-sys/arch/cc.h b/libraries/net/lwip/lwip-sys/arch/cc.h
new file mode 100644
index 0000000000..f9b8e22385
--- /dev/null
+++ b/libraries/net/lwip/lwip-sys/arch/cc.h
@@ -0,0 +1,107 @@
+/* 
+ * Copyright (c) 2001-2003 Swedish Institute of Computer Science. 
+ * All rights reserved.  
+ *  
+ * Redistribution and use in source and binary forms, with or without modification,  
+ * are permitted provided that the following conditions are met: 
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, 
+ *    this list of conditions and the following disclaimer. 
+ * 2. Redistributions in binary form must reproduce the above copyright notice, 
+ *    this list of conditions and the following disclaimer in the documentation 
+ *    and/or other materials provided with the distribution. 
+ * 3. The name of the author may not be used to endorse or promote products 
+ *    derived from this software without specific prior written permission.  
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED  
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF  
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT  
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT  
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN  
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING  
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY  
+ * OF SUCH DAMAGE. 
+ * 
+ * This file is part of the lwIP TCP/IP stack. 
+ *  
+ * Author: Adam Dunkels  
+ * 
+ */ 
+#ifndef __CC_H__ 
+#define __CC_H__ 
+
+#include 
+
+/* Types based on stdint.h */
+typedef uint8_t            u8_t; 
+typedef int8_t             s8_t; 
+typedef uint16_t           u16_t; 
+typedef int16_t            s16_t; 
+typedef uint32_t           u32_t; 
+typedef int32_t            s32_t; 
+typedef uintptr_t          mem_ptr_t; 
+
+/* Define (sn)printf formatters for these lwIP types */
+#define U16_F "hu"
+#define S16_F "hd"
+#define X16_F "hx"
+#define U32_F "lu"
+#define S32_F "ld"
+#define X32_F "lx"
+#define SZT_F "uz"
+
+/* ARM/LPC17xx is little endian only */
+#define BYTE_ORDER LITTLE_ENDIAN
+
+/* Use LWIP error codes */
+#define LWIP_PROVIDE_ERRNO
+
+#if defined(__arm__) && defined(__ARMCC_VERSION) 
+    /* Keil uVision4 tools */
+    #define PACK_STRUCT_BEGIN __packed
+    #define PACK_STRUCT_STRUCT
+    #define PACK_STRUCT_END
+    #define PACK_STRUCT_FIELD(fld) fld
+    #define ALIGNED(n)  __align(n)
+#elif defined (__IAR_SYSTEMS_ICC__) 
+    /* IAR Embedded Workbench tools */
+    #define PACK_STRUCT_BEGIN __packed
+    #define PACK_STRUCT_STRUCT
+    #define PACK_STRUCT_END
+    #define PACK_STRUCT_FIELD(fld) fld
+//    #define PACK_STRUCT_USE_INCLUDES
+    #error NEEDS ALIGNED // FIXME TBD
+#else 
+    /* GCC tools (CodeSourcery) */
+    #define PACK_STRUCT_BEGIN
+    #define PACK_STRUCT_STRUCT __attribute__ ((__packed__))
+    #define PACK_STRUCT_END
+    #define PACK_STRUCT_FIELD(fld) fld
+    #define ALIGNED(n)  __attribute__((aligned (n)))
+    #define ALIGNED(n)  __align(n)
+#endif 
+
+/* Used with IP headers only */
+#define LWIP_CHKSUM_ALGORITHM 1
+
+#ifdef LWIP_DEBUG
+
+#include "stdio.h"
+
+void assert_printf(char *msg, int line, char *file);
+
+/* Plaform specific diagnostic output */
+#define LWIP_PLATFORM_DIAG(vars) printf vars
+#define LWIP_PLATFORM_ASSERT(flag) { assert_printf((flag), __LINE__, __FILE__); }
+#else
+#define LWIP_PLATFORM_DIAG(msg) { ; }
+#define LWIP_PLATFORM_ASSERT(flag) { ; }
+#endif 
+
+#include "cmsis.h"
+#define LWIP_PLATFORM_HTONS(x)      __REV16(x)
+#define LWIP_PLATFORM_HTONL(x)      __REV(x)
+
+#endif /* __CC_H__ */ 
diff --git a/libraries/net/lwip/lwip-sys/arch/perf.h b/libraries/net/lwip/lwip-sys/arch/perf.h
new file mode 100644
index 0000000000..334d42af8c
--- /dev/null
+++ b/libraries/net/lwip/lwip-sys/arch/perf.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __PERF_H__
+#define __PERF_H__
+
+#define PERF_START    /* null definition */
+#define PERF_STOP(x)  /* null definition */
+
+#endif /* __PERF_H__ */
diff --git a/libraries/net/lwip/lwip-sys/arch/sys_arch.c b/libraries/net/lwip/lwip-sys/arch/sys_arch.c
new file mode 100644
index 0000000000..31f69c6d84
--- /dev/null
+++ b/libraries/net/lwip/lwip-sys/arch/sys_arch.c
@@ -0,0 +1,461 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include 
+
+/* mbed includes */
+#include "error.h"
+#include "mbed_interface.h"
+#include "us_ticker_api.h"
+
+/* lwIP includes. */
+#include "lwip/opt.h"
+#include "lwip/debug.h"
+#include "lwip/def.h"
+#include "lwip/sys.h"
+#include "lwip/mem.h"
+
+ #if NO_SYS==1
+#include "cmsis.h"
+
+/* Saved total time in ms since timer was enabled */
+static volatile u32_t systick_timems;
+
+/* Enable systick rate and interrupt */
+void SysTick_Init(void) {
+    if (SysTick_Config(SystemCoreClock / 1000)) {
+        while (1);     /* Capture error */
+    }
+}
+
+/** \brief  SysTick IRQ handler and timebase management
+ *
+ *  This function keeps a timebase for the sysTick that can be
+ * used for other functions. It also calls an external function
+ * (SysTick_User) that must be defined outside this handler.
+ */
+void SysTick_Handler(void) {
+    systick_timems++;
+}
+
+/* Delay for the specified number of milliSeconds */
+void osDelay(uint32_t ms) {
+    uint32_t to = ms + systick_timems;
+    while (to > systick_timems);
+}
+
+/* Returns the current time in mS. This is needed for the LWIP timers */
+u32_t sys_now(void) {
+  return (u32_t) systick_timems;
+}
+
+#else
+/* CMSIS-RTOS implementation of the lwip operating system abstraction */
+#include "arch/sys_arch.h"
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_mbox_new
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      Creates a new mailbox
+ * Inputs:
+ *      sys_mbox_t mbox         -- Handle of mailbox
+ *      int queue_sz            -- Size of elements in the mailbox
+ * Outputs:
+ *      err_t                   -- ERR_OK if message posted, else ERR_MEM
+ *---------------------------------------------------------------------------*/
+err_t sys_mbox_new(sys_mbox_t *mbox, int queue_sz) {
+    if (queue_sz > MB_SIZE)
+        error("sys_mbox_new size error\n");
+    
+#ifdef CMSIS_OS_RTX
+    memset(mbox->queue, 0, sizeof(mbox->queue));
+    mbox->def.pool = mbox->queue;
+    mbox->def.queue_sz = queue_sz;
+#endif
+    mbox->id = osMessageCreate(&mbox->def, NULL);
+    return (mbox->id == NULL) ? (ERR_MEM) : (ERR_OK);
+}
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_mbox_free
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      Deallocates a mailbox. If there are messages still present in the
+ *      mailbox when the mailbox is deallocated, it is an indication of a
+ *      programming error in lwIP and the developer should be notified.
+ * Inputs:
+ *      sys_mbox_t *mbox         -- Handle of mailbox
+ *---------------------------------------------------------------------------*/
+void sys_mbox_free(sys_mbox_t *mbox) {
+    osEvent event = osMessageGet(mbox->id, 0);
+    if (event.status == osEventMessage)
+        error("sys_mbox_free error\n");
+}
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_mbox_post
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      Post the "msg" to the mailbox.
+ * Inputs:
+ *      sys_mbox_t mbox        -- Handle of mailbox
+ *      void *msg              -- Pointer to data to post
+ *---------------------------------------------------------------------------*/
+void sys_mbox_post(sys_mbox_t *mbox, void *msg) {
+    if (osMessagePut(mbox->id, (uint32_t)msg, osWaitForever) != osOK)
+        error("sys_mbox_post error\n");
+}
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_mbox_trypost
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      Try to post the "msg" to the mailbox.  Returns immediately with
+ *      error if cannot.
+ * Inputs:
+ *      sys_mbox_t mbox         -- Handle of mailbox
+ *      void *msg               -- Pointer to data to post
+ * Outputs:
+ *      err_t                   -- ERR_OK if message posted, else ERR_MEM
+ *                                  if not.
+ *---------------------------------------------------------------------------*/
+err_t sys_mbox_trypost(sys_mbox_t *mbox, void *msg) {
+    osStatus status = osMessagePut(mbox->id, (uint32_t)msg, 0);
+    return (status == osOK) ? (ERR_OK) : (ERR_MEM);
+}
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_arch_mbox_fetch
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      Blocks the thread until a message arrives in the mailbox, but does
+ *      not block the thread longer than "timeout" milliseconds (similar to
+ *      the sys_arch_sem_wait() function). The "msg" argument is a result
+ *      parameter that is set by the function (i.e., by doing "*msg =
+ *      ptr"). The "msg" parameter maybe NULL to indicate that the message
+ *      should be dropped.
+ *
+ *      The return values are the same as for the sys_arch_sem_wait() function:
+ *      Number of milliseconds spent waiting or SYS_ARCH_TIMEOUT if there was a
+ *      timeout.
+ *
+ *      Note that a function with a similar name, sys_mbox_fetch(), is
+ *      implemented by lwIP.
+ * Inputs:
+ *      sys_mbox_t mbox         -- Handle of mailbox
+ *      void **msg              -- Pointer to pointer to msg received
+ *      u32_t timeout           -- Number of milliseconds until timeout
+ * Outputs:
+ *      u32_t                   -- SYS_ARCH_TIMEOUT if timeout, else number
+ *                                  of milliseconds until received.
+ *---------------------------------------------------------------------------*/
+u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout) {
+    u32_t start = us_ticker_read();
+    
+    osEvent event = osMessageGet(mbox->id, (timeout != 0)?(timeout):(osWaitForever));
+    if (event.status != osEventMessage)
+        return SYS_ARCH_TIMEOUT;
+    
+    *msg = (void *)event.value.v;
+    
+    return (us_ticker_read() - start) / 1000;
+}
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_arch_mbox_tryfetch
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      Similar to sys_arch_mbox_fetch, but if message is not ready
+ *      immediately, we'll return with SYS_MBOX_EMPTY.  On success, 0 is
+ *      returned.
+ * Inputs:
+ *      sys_mbox_t mbox         -- Handle of mailbox
+ *      void **msg              -- Pointer to pointer to msg received
+ * Outputs:
+ *      u32_t                   -- SYS_MBOX_EMPTY if no messages.  Otherwise,
+ *                                  return ERR_OK.
+ *---------------------------------------------------------------------------*/
+u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg) {
+    osEvent event = osMessageGet(mbox->id, 0);
+    if (event.status != osEventMessage)
+        return SYS_MBOX_EMPTY;
+    
+    *msg = (void *)event.value.v;
+    
+    return ERR_OK;
+}
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_sem_new
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      Creates and returns a new semaphore. The "ucCount" argument specifies
+ *      the initial state of the semaphore.
+ *      NOTE: Currently this routine only creates counts of 1 or 0
+ * Inputs:
+ *      sys_sem_t sem         -- Handle of semaphore
+ *      u8_t count            -- Initial count of semaphore
+ * Outputs:
+ *      err_t                 -- ERR_OK if semaphore created
+ *---------------------------------------------------------------------------*/
+err_t sys_sem_new(sys_sem_t *sem, u8_t count) {
+#ifdef CMSIS_OS_RTX
+    memset(sem->data, 0, sizeof(uint32_t)*2);
+    sem->def.semaphore = sem->data;
+#endif
+    sem->id = osSemaphoreCreate(&sem->def, count);
+    if (sem->id == NULL)
+        error("sys_sem_new create error\n");
+    
+    return ERR_OK;
+}
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_arch_sem_wait
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      Blocks the thread while waiting for the semaphore to be
+ *      signaled. If the "timeout" argument is non-zero, the thread should
+ *      only be blocked for the specified time (measured in
+ *      milliseconds).
+ *
+ *      If the timeout argument is non-zero, the return value is the number of
+ *      milliseconds spent waiting for the semaphore to be signaled. If the
+ *      semaphore wasn't signaled within the specified time, the return value is
+ *      SYS_ARCH_TIMEOUT. If the thread didn't have to wait for the semaphore
+ *      (i.e., it was already signaled), the function may return zero.
+ *
+ *      Notice that lwIP implements a function with a similar name,
+ *      sys_sem_wait(), that uses the sys_arch_sem_wait() function.
+ * Inputs:
+ *      sys_sem_t sem           -- Semaphore to wait on
+ *      u32_t timeout           -- Number of milliseconds until timeout
+ * Outputs:
+ *      u32_t                   -- Time elapsed or SYS_ARCH_TIMEOUT.
+ *---------------------------------------------------------------------------*/
+u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout) {
+    u32_t start = us_ticker_read();
+    
+    if (osSemaphoreWait(sem->id, (timeout != 0)?(timeout):(osWaitForever)) < 1)
+        return SYS_ARCH_TIMEOUT;
+    
+    return (us_ticker_read() - start) / 1000;
+}
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_sem_signal
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      Signals (releases) a semaphore
+ * Inputs:
+ *      sys_sem_t sem           -- Semaphore to signal
+ *---------------------------------------------------------------------------*/
+void sys_sem_signal(sys_sem_t *data) {
+    if (osSemaphoreRelease(data->id) != osOK)
+        mbed_die(); /* Can be called by ISR do not use printf */
+}
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_sem_free
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      Deallocates a semaphore
+ * Inputs:
+ *      sys_sem_t sem           -- Semaphore to free
+ *---------------------------------------------------------------------------*/
+void sys_sem_free(sys_sem_t *sem) {}
+
+/** Create a new mutex
+ * @param mutex pointer to the mutex to create
+ * @return a new mutex */
+err_t sys_mutex_new(sys_mutex_t *mutex) {
+#ifdef CMSIS_OS_RTX
+    memset(mutex->data, 0, sizeof(int32_t)*3);
+    mutex->def.mutex = mutex->data;
+#endif
+    mutex->id = osMutexCreate(&mutex->def);
+    if (mutex->id == NULL)
+        return ERR_MEM;
+    
+    return ERR_OK;
+}
+
+/** Lock a mutex
+ * @param mutex the mutex to lock */
+void sys_mutex_lock(sys_mutex_t *mutex) {
+    if (osMutexWait(mutex->id, osWaitForever) != osOK)
+        error("sys_mutex_lock error\n");
+}
+
+/** Unlock a mutex
+ * @param mutex the mutex to unlock */
+void sys_mutex_unlock(sys_mutex_t *mutex) {
+    if (osMutexRelease(mutex->id) != osOK)
+        error("sys_mutex_unlock error\n");
+}
+
+/** Delete a mutex
+ * @param mutex the mutex to delete */
+void sys_mutex_free(sys_mutex_t *mutex) {}
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_init
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      Initialize sys arch
+ *---------------------------------------------------------------------------*/
+osMutexId lwip_sys_mutex;
+osMutexDef(lwip_sys_mutex);
+
+void sys_init(void) {
+    us_ticker_read(); // Init sys tick
+    lwip_sys_mutex = osMutexCreate(osMutex(lwip_sys_mutex));
+    if (lwip_sys_mutex == NULL)
+        error("sys_init error\n");
+}
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_jiffies
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      Used by PPP as a timestamp-ish value
+ *---------------------------------------------------------------------------*/
+u32_t sys_jiffies(void) {
+    static u32_t jiffies = 0;
+    jiffies += 1 + (us_ticker_read()/10000);
+    return jiffies;
+}
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_arch_protect
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      This optional function does a "fast" critical region protection and
+ *      returns the previous protection level. This function is only called
+ *      during very short critical regions. An embedded system which supports
+ *      ISR-based drivers might want to implement this function by disabling
+ *      interrupts. Task-based systems might want to implement this by using
+ *      a mutex or disabling tasking. This function should support recursive
+ *      calls from the same task or interrupt. In other words,
+ *      sys_arch_protect() could be called while already protected. In
+ *      that case the return value indicates that it is already protected.
+ *
+ *      sys_arch_protect() is only required if your port is supporting an
+ *      operating system.
+ * Outputs:
+ *      sys_prot_t              -- Previous protection level (not used here)
+ *---------------------------------------------------------------------------*/
+sys_prot_t sys_arch_protect(void) {
+    if (osMutexWait(lwip_sys_mutex, osWaitForever) != osOK)
+        error("sys_arch_protect error\n");
+    return (sys_prot_t) 1;
+}
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_arch_unprotect
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      This optional function does a "fast" set of critical region
+ *      protection to the value specified by pval. See the documentation for
+ *      sys_arch_protect() for more information. This function is only
+ *      required if your port is supporting an operating system.
+ * Inputs:
+ *      sys_prot_t              -- Previous protection level (not used here)
+ *---------------------------------------------------------------------------*/
+void sys_arch_unprotect(sys_prot_t p) {
+    if (osMutexRelease(lwip_sys_mutex) != osOK)
+        error("sys_arch_unprotect error\n");
+}
+
+u32_t sys_now(void) {
+    return us_ticker_read() / 1000;
+}
+
+void sys_msleep(u32_t ms) {
+    osDelay(ms);
+}
+
+// Keep a pool of thread structures
+static int thread_pool_index = 0;
+static sys_thread_data_t thread_pool[SYS_THREAD_POOL_N];
+
+/*---------------------------------------------------------------------------*
+ * Routine:  sys_thread_new
+ *---------------------------------------------------------------------------*
+ * Description:
+ *      Starts a new thread with priority "prio" that will begin its
+ *      execution in the function "thread()". The "arg" argument will be
+ *      passed as an argument to the thread() function. The id of the new
+ *      thread is returned. Both the id and the priority are system
+ *      dependent.
+ * Inputs:
+ *      char *name                -- Name of thread
+ *      void (*thread)(void *arg) -- Pointer to function to run.
+ *      void *arg                 -- Argument passed into function
+ *      int stacksize             -- Required stack amount in bytes
+ *      int priority              -- Thread priority
+ * Outputs:
+ *      sys_thread_t              -- Pointer to thread handle.
+ *---------------------------------------------------------------------------*/
+sys_thread_t sys_thread_new(const char *pcName,
+                            void (*thread)(void *arg),
+                            void *arg, int stacksize, int priority) {
+    LWIP_DEBUGF(SYS_DEBUG, ("New Thread: %s\n", pcName));
+    
+    if (thread_pool_index >= SYS_THREAD_POOL_N)
+        error("sys_thread_new number error\n");
+    sys_thread_t t = (sys_thread_t)&thread_pool[thread_pool_index];
+    thread_pool_index++;
+    
+#ifdef CMSIS_OS_RTX
+    t->def.pthread = (os_pthread)thread;
+    t->def.tpriority = (osPriority)priority;
+    t->def.stacksize = stacksize;
+    t->def.stack_pointer = (unsigned char*)malloc(stacksize);
+    if (t->def.stack_pointer == NULL) {
+      error("Error allocating the stack memory");
+    }
+#endif
+    t->id = osThreadCreate(&t->def, arg);
+    if (t->id == NULL)
+        error("sys_thread_new create error\n");
+    
+    return t;
+}
+
+#endif
+
+#ifdef LWIP_DEBUG 
+
+/** \brief  Displays an error message on assertion
+
+    This function will display an error message on an assertion
+    to the debug output.
+
+    \param[in]    msg   Error message to display
+    \param[in]    line  Line number in file with error
+    \param[in]    file  Filename with error
+ */
+void assert_printf(char *msg, int line, char *file) {
+    if (msg)
+        error("%s:%d in file %s\n", msg, line, file);
+    else
+        error("LWIP ASSERT\n");
+}
+
+#endif /* LWIP_DEBUG */
diff --git a/libraries/net/lwip/lwip-sys/arch/sys_arch.h b/libraries/net/lwip/lwip-sys/arch/sys_arch.h
new file mode 100644
index 0000000000..e6da8e9fbf
--- /dev/null
+++ b/libraries/net/lwip/lwip-sys/arch/sys_arch.h
@@ -0,0 +1,120 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef __ARCH_SYS_ARCH_H__
+#define __ARCH_SYS_ARCH_H__
+
+#include "lwip/opt.h"
+
+#if NO_SYS == 0
+#include "cmsis_os.h"
+
+// === SEMAPHORE ===
+typedef struct {
+    osSemaphoreId    id;
+    osSemaphoreDef_t def;
+#ifdef CMSIS_OS_RTX
+    uint32_t         data[2];
+#endif
+} sys_sem_t;
+
+#define sys_sem_valid(x)        (((*x).id == NULL) ? 0 : 1)
+#define sys_sem_set_invalid(x)  ( (*x).id = NULL)
+
+// === MUTEX ===
+typedef struct {
+    osMutexId    id;
+    osMutexDef_t def;
+#ifdef CMSIS_OS_RTX
+    int32_t      data[3];
+#endif
+} sys_mutex_t;
+
+// === MAIL BOX ===
+#define MB_SIZE      8
+
+typedef struct {
+    osMessageQId    id;
+    osMessageQDef_t def;
+#ifdef CMSIS_OS_RTX
+    uint32_t        queue[MB_SIZE];
+#endif
+} sys_mbox_t;
+
+#define SYS_MBOX_NULL               ((uint32_t) NULL)
+#define sys_mbox_valid(x)           (((*x).id == NULL) ? 0 : 1 )
+#define sys_mbox_set_invalid(x)     ( (*x).id = NULL )
+
+#if ((DEFAULT_RAW_RECVMBOX_SIZE) > (MB_SIZE)) || \
+    ((DEFAULT_UDP_RECVMBOX_SIZE) > (MB_SIZE)) || \
+    ((DEFAULT_TCP_RECVMBOX_SIZE) > (MB_SIZE)) || \
+    ((DEFAULT_ACCEPTMBOX_SIZE)   > (MB_SIZE)) || \
+    ((TCPIP_MBOX_SIZE)           > (MB_SIZE))
+#   error Mailbox size not supported
+#endif
+
+// === THREAD ===
+typedef struct {
+    osThreadId    id;
+    osThreadDef_t def;
+} sys_thread_data_t;
+typedef sys_thread_data_t* sys_thread_t;
+
+#define SYS_THREAD_POOL_N                   6
+#define SYS_DEFAULT_THREAD_STACK_DEPTH      DEFAULT_STACK_SIZE
+
+// === PROTECTION ===
+typedef int sys_prot_t;
+
+#else
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/** \brief  Init systick to 1ms rate
+ *
+ *  This init the systick to 1ms rate. This function is only used in standalone
+ *  systems.
+ */
+void SysTick_Init(void);
+
+
+/** \brief  Get the current systick time in milliSeconds
+ *
+ *  Returns the current systick time in milliSeconds. This function is only
+ *  used in standalone systems.
+ *
+ *  /returns current systick time in milliSeconds
+ */
+uint32_t SysTick_GetMS(void);
+
+/** \brief  Delay for the specified number of milliSeconds
+ *
+ *  For standalone systems. This function will block for the specified
+ *  number of milliSconds. For RTOS based systems, this function will delay
+ *  the task by the specified number of milliSeconds.
+ *
+ *  \param[in]  ms Time in milliSeconds to delay
+ */
+void osDelay(uint32_t ms);
+
+#ifdef  __cplusplus
+}
+#endif
+#endif
+
+#endif /* __ARCH_SYS_ARCH_H__ */
diff --git a/libraries/net/lwip/lwip/api/api_lib.c b/libraries/net/lwip/lwip/api/api_lib.c
new file mode 100644
index 0000000000..b1a9e5253d
--- /dev/null
+++ b/libraries/net/lwip/lwip/api/api_lib.c
@@ -0,0 +1,740 @@
+/**
+ * @file
+ * Sequential API External module
+ *
+ */
+ 
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+
+/* This is the part of the API that is linked with
+   the application */
+
+#include "lwip/opt.h"
+
+#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/api.h"
+#include "lwip/tcpip.h"
+#include "lwip/memp.h"
+
+#include "lwip/ip.h"
+#include "lwip/raw.h"
+#include "lwip/udp.h"
+#include "lwip/tcp.h"
+
+#include 
+
+/**
+ * Create a new netconn (of a specific type) that has a callback function.
+ * The corresponding pcb is also created.
+ *
+ * @param t the type of 'connection' to create (@see enum netconn_type)
+ * @param proto the IP protocol for RAW IP pcbs
+ * @param callback a function to call on status changes (RX available, TX'ed)
+ * @return a newly allocated struct netconn or
+ *         NULL on memory error
+ */
+struct netconn*
+netconn_new_with_proto_and_callback(enum netconn_type t, u8_t proto, netconn_callback callback)
+{
+  struct netconn *conn;
+  struct api_msg msg;
+
+  conn = netconn_alloc(t, callback);
+  if (conn != NULL) {
+    msg.function = do_newconn;
+    msg.msg.msg.n.proto = proto;
+    msg.msg.conn = conn;
+    if (TCPIP_APIMSG(&msg) != ERR_OK) {
+      LWIP_ASSERT("freeing conn without freeing pcb", conn->pcb.tcp == NULL);
+      LWIP_ASSERT("conn has no op_completed", sys_sem_valid(&conn->op_completed));
+      LWIP_ASSERT("conn has no recvmbox", sys_mbox_valid(&conn->recvmbox));
+#if LWIP_TCP
+      LWIP_ASSERT("conn->acceptmbox shouldn't exist", !sys_mbox_valid(&conn->acceptmbox));
+#endif /* LWIP_TCP */
+      sys_sem_free(&conn->op_completed);
+      sys_mbox_free(&conn->recvmbox);
+      memp_free(MEMP_NETCONN, conn);
+      return NULL;
+    }
+  }
+  return conn;
+}
+
+/**
+ * Close a netconn 'connection' and free its resources.
+ * UDP and RAW connection are completely closed, TCP pcbs might still be in a waitstate
+ * after this returns.
+ *
+ * @param conn the netconn to delete
+ * @return ERR_OK if the connection was deleted
+ */
+err_t
+netconn_delete(struct netconn *conn)
+{
+  struct api_msg msg;
+
+  /* No ASSERT here because possible to get a (conn == NULL) if we got an accept error */
+  if (conn == NULL) {
+    return ERR_OK;
+  }
+
+  msg.function = do_delconn;
+  msg.msg.conn = conn;
+  tcpip_apimsg(&msg);
+
+  netconn_free(conn);
+
+  /* don't care for return value of do_delconn since it only calls void functions */
+
+  return ERR_OK;
+}
+
+/**
+ * Get the local or remote IP address and port of a netconn.
+ * For RAW netconns, this returns the protocol instead of a port!
+ *
+ * @param conn the netconn to query
+ * @param addr a pointer to which to save the IP address
+ * @param port a pointer to which to save the port (or protocol for RAW)
+ * @param local 1 to get the local IP address, 0 to get the remote one
+ * @return ERR_CONN for invalid connections
+ *         ERR_OK if the information was retrieved
+ */
+err_t
+netconn_getaddr(struct netconn *conn, ip_addr_t *addr, u16_t *port, u8_t local)
+{
+  struct api_msg msg;
+  err_t err;
+
+  LWIP_ERROR("netconn_getaddr: invalid conn", (conn != NULL), return ERR_ARG;);
+  LWIP_ERROR("netconn_getaddr: invalid addr", (addr != NULL), return ERR_ARG;);
+  LWIP_ERROR("netconn_getaddr: invalid port", (port != NULL), return ERR_ARG;);
+
+  msg.function = do_getaddr;
+  msg.msg.conn = conn;
+  msg.msg.msg.ad.ipaddr = addr;
+  msg.msg.msg.ad.port = port;
+  msg.msg.msg.ad.local = local;
+  err = TCPIP_APIMSG(&msg);
+
+  NETCONN_SET_SAFE_ERR(conn, err);
+  return err;
+}
+
+/**
+ * Bind a netconn to a specific local IP address and port.
+ * Binding one netconn twice might not always be checked correctly!
+ *
+ * @param conn the netconn to bind
+ * @param addr the local IP address to bind the netconn to (use IP_ADDR_ANY
+ *             to bind to all addresses)
+ * @param port the local port to bind the netconn to (not used for RAW)
+ * @return ERR_OK if bound, any other err_t on failure
+ */
+err_t
+netconn_bind(struct netconn *conn, ip_addr_t *addr, u16_t port)
+{
+  struct api_msg msg;
+  err_t err;
+
+  LWIP_ERROR("netconn_bind: invalid conn", (conn != NULL), return ERR_ARG;);
+
+  msg.function = do_bind;
+  msg.msg.conn = conn;
+  msg.msg.msg.bc.ipaddr = addr;
+  msg.msg.msg.bc.port = port;
+  err = TCPIP_APIMSG(&msg);
+
+  NETCONN_SET_SAFE_ERR(conn, err);
+  return err;
+}
+
+/**
+ * Connect a netconn to a specific remote IP address and port.
+ *
+ * @param conn the netconn to connect
+ * @param addr the remote IP address to connect to
+ * @param port the remote port to connect to (no used for RAW)
+ * @return ERR_OK if connected, return value of tcp_/udp_/raw_connect otherwise
+ */
+err_t
+netconn_connect(struct netconn *conn, ip_addr_t *addr, u16_t port)
+{
+  struct api_msg msg;
+  err_t err;
+
+  LWIP_ERROR("netconn_connect: invalid conn", (conn != NULL), return ERR_ARG;);
+
+  msg.function = do_connect;
+  msg.msg.conn = conn;
+  msg.msg.msg.bc.ipaddr = addr;
+  msg.msg.msg.bc.port = port;
+  /* This is the only function which need to not block tcpip_thread */
+  err = tcpip_apimsg(&msg);
+
+  NETCONN_SET_SAFE_ERR(conn, err);
+  return err;
+}
+
+/**
+ * Disconnect a netconn from its current peer (only valid for UDP netconns).
+ *
+ * @param conn the netconn to disconnect
+ * @return TODO: return value is not set here...
+ */
+err_t
+netconn_disconnect(struct netconn *conn)
+{
+  struct api_msg msg;
+  err_t err;
+
+  LWIP_ERROR("netconn_disconnect: invalid conn", (conn != NULL), return ERR_ARG;);
+
+  msg.function = do_disconnect;
+  msg.msg.conn = conn;
+  err = TCPIP_APIMSG(&msg);
+
+  NETCONN_SET_SAFE_ERR(conn, err);
+  return err;
+}
+
+/**
+ * Set a TCP netconn into listen mode
+ *
+ * @param conn the tcp netconn to set to listen mode
+ * @param backlog the listen backlog, only used if TCP_LISTEN_BACKLOG==1
+ * @return ERR_OK if the netconn was set to listen (UDP and RAW netconns
+ *         don't return any error (yet?))
+ */
+err_t
+netconn_listen_with_backlog(struct netconn *conn, u8_t backlog)
+{
+#if LWIP_TCP
+  struct api_msg msg;
+  err_t err;
+
+  /* This does no harm. If TCP_LISTEN_BACKLOG is off, backlog is unused. */
+  LWIP_UNUSED_ARG(backlog);
+
+  LWIP_ERROR("netconn_listen: invalid conn", (conn != NULL), return ERR_ARG;);
+
+  msg.function = do_listen;
+  msg.msg.conn = conn;
+#if TCP_LISTEN_BACKLOG
+  msg.msg.msg.lb.backlog = backlog;
+#endif /* TCP_LISTEN_BACKLOG */
+  err = TCPIP_APIMSG(&msg);
+
+  NETCONN_SET_SAFE_ERR(conn, err);
+  return err;
+#else /* LWIP_TCP */
+  LWIP_UNUSED_ARG(conn);
+  LWIP_UNUSED_ARG(backlog);
+  return ERR_ARG;
+#endif /* LWIP_TCP */
+}
+
+/**
+ * Accept a new connection on a TCP listening netconn.
+ *
+ * @param conn the TCP listen netconn
+ * @param new_conn pointer where the new connection is stored
+ * @return ERR_OK if a new connection has been received or an error
+ *                code otherwise
+ */
+err_t
+netconn_accept(struct netconn *conn, struct netconn **new_conn)
+{
+#if LWIP_TCP
+  struct netconn *newconn;
+  err_t err;
+#if TCP_LISTEN_BACKLOG
+  struct api_msg msg;
+#endif /* TCP_LISTEN_BACKLOG */
+
+  LWIP_ERROR("netconn_accept: invalid pointer",    (new_conn != NULL),                  return ERR_ARG;);
+  *new_conn = NULL;
+  LWIP_ERROR("netconn_accept: invalid conn",       (conn != NULL),                      return ERR_ARG;);
+  LWIP_ERROR("netconn_accept: invalid acceptmbox", sys_mbox_valid(&conn->acceptmbox),   return ERR_ARG;);
+
+  err = conn->last_err;
+  if (ERR_IS_FATAL(err)) {
+    /* don't recv on fatal errors: this might block the application task
+       waiting on acceptmbox forever! */
+    return err;
+  }
+
+#if LWIP_SO_RCVTIMEO
+  if (sys_arch_mbox_fetch(&conn->acceptmbox, (void **)&newconn, conn->recv_timeout) == SYS_ARCH_TIMEOUT) {
+    NETCONN_SET_SAFE_ERR(conn, ERR_TIMEOUT);
+    return ERR_TIMEOUT;
+  }
+#else
+  sys_arch_mbox_fetch(&conn->acceptmbox, (void **)&newconn, 0);
+#endif /* LWIP_SO_RCVTIMEO*/
+  /* Register event with callback */
+  API_EVENT(conn, NETCONN_EVT_RCVMINUS, 0);
+
+  if (newconn == NULL) {
+    /* connection has been aborted */
+    NETCONN_SET_SAFE_ERR(conn, ERR_ABRT);
+    return ERR_ABRT;
+  }
+#if TCP_LISTEN_BACKLOG
+  /* Let the stack know that we have accepted the connection. */
+  msg.function = do_recv;
+  msg.msg.conn = conn;
+  /* don't care for the return value of do_recv */
+  TCPIP_APIMSG(&msg);
+#endif /* TCP_LISTEN_BACKLOG */
+
+  *new_conn = newconn;
+  /* don't set conn->last_err: it's only ERR_OK, anyway */
+  return ERR_OK;
+#else /* LWIP_TCP */
+  LWIP_UNUSED_ARG(conn);
+  LWIP_UNUSED_ARG(new_conn);
+  return ERR_ARG;
+#endif /* LWIP_TCP */
+}
+
+/**
+ * Receive data: actual implementation that doesn't care whether pbuf or netbuf
+ * is received
+ *
+ * @param conn the netconn from which to receive data
+ * @param new_buf pointer where a new pbuf/netbuf is stored when received data
+ * @return ERR_OK if data has been received, an error code otherwise (timeout,
+ *                memory error or another error)
+ */
+static err_t
+netconn_recv_data(struct netconn *conn, void **new_buf)
+{
+  void *buf = NULL;
+  u16_t len;
+  err_t err;
+#if LWIP_TCP
+  struct api_msg msg;
+#endif /* LWIP_TCP */
+
+  LWIP_ERROR("netconn_recv: invalid pointer", (new_buf != NULL), return ERR_ARG;);
+  *new_buf = NULL;
+  LWIP_ERROR("netconn_recv: invalid conn",    (conn != NULL),    return ERR_ARG;);
+  LWIP_ERROR("netconn_accept: invalid recvmbox", sys_mbox_valid(&conn->recvmbox), return ERR_CONN;);
+
+  err = conn->last_err;
+  if (ERR_IS_FATAL(err)) {
+    /* don't recv on fatal errors: this might block the application task
+       waiting on recvmbox forever! */
+    /* @todo: this does not allow us to fetch data that has been put into recvmbox
+       before the fatal error occurred - is that a problem? */
+    return err;
+  }
+
+#if LWIP_SO_RCVTIMEO
+  if (sys_arch_mbox_fetch(&conn->recvmbox, &buf, conn->recv_timeout) == SYS_ARCH_TIMEOUT) {
+    NETCONN_SET_SAFE_ERR(conn, ERR_TIMEOUT);
+    return ERR_TIMEOUT;
+  }
+#else
+  sys_arch_mbox_fetch(&conn->recvmbox, &buf, 0);
+#endif /* LWIP_SO_RCVTIMEO*/
+
+#if LWIP_TCP
+  if (conn->type == NETCONN_TCP) {
+    if (!netconn_get_noautorecved(conn) || (buf == NULL)) {
+      /* Let the stack know that we have taken the data. */
+      /* TODO: Speedup: Don't block and wait for the answer here
+         (to prevent multiple thread-switches). */
+      msg.function = do_recv;
+      msg.msg.conn = conn;
+      if (buf != NULL) {
+        msg.msg.msg.r.len = ((struct pbuf *)buf)->tot_len;
+      } else {
+        msg.msg.msg.r.len = 1;
+      }
+      /* don't care for the return value of do_recv */
+      TCPIP_APIMSG(&msg);
+    }
+
+    /* If we are closed, we indicate that we no longer wish to use the socket */
+    if (buf == NULL) {
+      API_EVENT(conn, NETCONN_EVT_RCVMINUS, 0);
+      /* Avoid to lose any previous error code */
+      NETCONN_SET_SAFE_ERR(conn, ERR_CLSD);
+      return ERR_CLSD;
+    }
+    len = ((struct pbuf *)buf)->tot_len;
+  }
+#endif /* LWIP_TCP */
+#if LWIP_TCP && (LWIP_UDP || LWIP_RAW)
+  else
+#endif /* LWIP_TCP && (LWIP_UDP || LWIP_RAW) */
+#if (LWIP_UDP || LWIP_RAW)
+  {
+    LWIP_ASSERT("buf != NULL", buf != NULL);
+    len = netbuf_len((struct netbuf *)buf);
+  }
+#endif /* (LWIP_UDP || LWIP_RAW) */
+
+#if LWIP_SO_RCVBUF
+  SYS_ARCH_DEC(conn->recv_avail, len);
+#endif /* LWIP_SO_RCVBUF */
+  /* Register event with callback */
+  API_EVENT(conn, NETCONN_EVT_RCVMINUS, len);
+
+  LWIP_DEBUGF(API_LIB_DEBUG, ("netconn_recv_data: received %p, len=%"U16_F"\n", buf, len));
+
+  *new_buf = buf;
+  /* don't set conn->last_err: it's only ERR_OK, anyway */
+  return ERR_OK;
+}
+
+/**
+ * Receive data (in form of a pbuf) from a TCP netconn
+ *
+ * @param conn the netconn from which to receive data
+ * @param new_buf pointer where a new pbuf is stored when received data
+ * @return ERR_OK if data has been received, an error code otherwise (timeout,
+ *                memory error or another error)
+ *         ERR_ARG if conn is not a TCP netconn
+ */
+err_t
+netconn_recv_tcp_pbuf(struct netconn *conn, struct pbuf **new_buf)
+{
+  LWIP_ERROR("netconn_recv: invalid conn", (conn != NULL) &&
+             netconn_type(conn) == NETCONN_TCP, return ERR_ARG;);
+
+  return netconn_recv_data(conn, (void **)new_buf);
+}
+
+/**
+ * Receive data (in form of a netbuf containing a packet buffer) from a netconn
+ *
+ * @param conn the netconn from which to receive data
+ * @param new_buf pointer where a new netbuf is stored when received data
+ * @return ERR_OK if data has been received, an error code otherwise (timeout,
+ *                memory error or another error)
+ */
+err_t
+netconn_recv(struct netconn *conn, struct netbuf **new_buf)
+{
+#if LWIP_TCP
+  struct netbuf *buf = NULL;
+  err_t err;
+#endif /* LWIP_TCP */
+
+  LWIP_ERROR("netconn_recv: invalid pointer", (new_buf != NULL), return ERR_ARG;);
+  *new_buf = NULL;
+  LWIP_ERROR("netconn_recv: invalid conn",    (conn != NULL),    return ERR_ARG;);
+  LWIP_ERROR("netconn_accept: invalid recvmbox", sys_mbox_valid(&conn->recvmbox), return ERR_CONN;);
+
+#if LWIP_TCP
+  if (conn->type == NETCONN_TCP) {
+    struct pbuf *p = NULL;
+    /* This is not a listening netconn, since recvmbox is set */
+
+    buf = (struct netbuf *)memp_malloc(MEMP_NETBUF);
+    if (buf == NULL) {
+      NETCONN_SET_SAFE_ERR(conn, ERR_MEM);
+      return ERR_MEM;
+    }
+
+    err = netconn_recv_data(conn, (void **)&p);
+    if (err != ERR_OK) {
+      memp_free(MEMP_NETBUF, buf);
+      return err;
+    }
+    LWIP_ASSERT("p != NULL", p != NULL);
+
+    buf->p = p;
+    buf->ptr = p;
+    buf->port = 0;
+    ip_addr_set_any(&buf->addr);
+    *new_buf = buf;
+    /* don't set conn->last_err: it's only ERR_OK, anyway */
+    return ERR_OK;
+  } else
+#endif /* LWIP_TCP */
+  {
+#if (LWIP_UDP || LWIP_RAW)
+    return netconn_recv_data(conn, (void **)new_buf);
+#endif /* (LWIP_UDP || LWIP_RAW) */
+  }
+}
+
+/**
+ * TCP: update the receive window: by calling this, the application
+ * tells the stack that it has processed data and is able to accept
+ * new data.
+ * ATTENTION: use with care, this is mainly used for sockets!
+ * Can only be used when calling netconn_set_noautorecved(conn, 1) before.
+ *
+ * @param conn the netconn for which to update the receive window
+ * @param length amount of data processed (ATTENTION: this must be accurate!)
+ */
+void
+netconn_recved(struct netconn *conn, u32_t length)
+{
+#if LWIP_TCP
+  if ((conn != NULL) && (conn->type == NETCONN_TCP) &&
+      (netconn_get_noautorecved(conn))) {
+    struct api_msg msg;
+    /* Let the stack know that we have taken the data. */
+    /* TODO: Speedup: Don't block and wait for the answer here
+       (to prevent multiple thread-switches). */
+    msg.function = do_recv;
+    msg.msg.conn = conn;
+    msg.msg.msg.r.len = length;
+    /* don't care for the return value of do_recv */
+    TCPIP_APIMSG(&msg);
+  }
+#else /* LWIP_TCP */
+  LWIP_UNUSED_ARG(conn);
+  LWIP_UNUSED_ARG(length);
+#endif /* LWIP_TCP */
+}
+
+/**
+ * Send data (in form of a netbuf) to a specific remote IP address and port.
+ * Only to be used for UDP and RAW netconns (not TCP).
+ *
+ * @param conn the netconn over which to send data
+ * @param buf a netbuf containing the data to send
+ * @param addr the remote IP address to which to send the data
+ * @param port the remote port to which to send the data
+ * @return ERR_OK if data was sent, any other err_t on error
+ */
+err_t
+netconn_sendto(struct netconn *conn, struct netbuf *buf, ip_addr_t *addr, u16_t port)
+{
+  if (buf != NULL) {
+    ip_addr_set(&buf->addr, addr);
+    buf->port = port;
+    return netconn_send(conn, buf);
+  }
+  return ERR_VAL;
+}
+
+/**
+ * Send data over a UDP or RAW netconn (that is already connected).
+ *
+ * @param conn the UDP or RAW netconn over which to send data
+ * @param buf a netbuf containing the data to send
+ * @return ERR_OK if data was sent, any other err_t on error
+ */
+err_t
+netconn_send(struct netconn *conn, struct netbuf *buf)
+{
+  struct api_msg msg;
+  err_t err;
+
+  LWIP_ERROR("netconn_send: invalid conn",  (conn != NULL), return ERR_ARG;);
+
+  LWIP_DEBUGF(API_LIB_DEBUG, ("netconn_send: sending %"U16_F" bytes\n", buf->p->tot_len));
+  msg.function = do_send;
+  msg.msg.conn = conn;
+  msg.msg.msg.b = buf;
+  err = TCPIP_APIMSG(&msg);
+
+  NETCONN_SET_SAFE_ERR(conn, err);
+  return err;
+}
+
+/**
+ * Send data over a TCP netconn.
+ *
+ * @param conn the TCP netconn over which to send data
+ * @param dataptr pointer to the application buffer that contains the data to send
+ * @param size size of the application data to send
+ * @param apiflags combination of following flags :
+ * - NETCONN_COPY: data will be copied into memory belonging to the stack
+ * - NETCONN_MORE: for TCP connection, PSH flag will be set on last segment sent
+ * - NETCONN_DONTBLOCK: only write the data if all dat can be written at once
+ * @return ERR_OK if data was sent, any other err_t on error
+ */
+err_t
+netconn_write(struct netconn *conn, const void *dataptr, size_t size, u8_t apiflags)
+{
+  struct api_msg msg;
+  err_t err;
+
+  LWIP_ERROR("netconn_write: invalid conn",  (conn != NULL), return ERR_ARG;);
+  LWIP_ERROR("netconn_write: invalid conn->type",  (conn->type == NETCONN_TCP), return ERR_VAL;);
+  if (size == 0) {
+    return ERR_OK;
+  }
+
+  /* @todo: for non-blocking write, check if 'size' would ever fit into
+            snd_queue or snd_buf */
+  msg.function = do_write;
+  msg.msg.conn = conn;
+  msg.msg.msg.w.dataptr = dataptr;
+  msg.msg.msg.w.apiflags = apiflags;
+  msg.msg.msg.w.len = size;
+  /* For locking the core: this _can_ be delayed on low memory/low send buffer,
+     but if it is, this is done inside api_msg.c:do_write(), so we can use the
+     non-blocking version here. */
+  err = TCPIP_APIMSG(&msg);
+
+  NETCONN_SET_SAFE_ERR(conn, err);
+  return err;
+}
+
+/**
+ * Close ot shutdown a TCP netconn (doesn't delete it).
+ *
+ * @param conn the TCP netconn to close or shutdown
+ * @param how fully close or only shutdown one side?
+ * @return ERR_OK if the netconn was closed, any other err_t on error
+ */
+static err_t
+netconn_close_shutdown(struct netconn *conn, u8_t how)
+{
+  struct api_msg msg;
+  err_t err;
+
+  LWIP_ERROR("netconn_close: invalid conn",  (conn != NULL), return ERR_ARG;);
+
+  msg.function = do_close;
+  msg.msg.conn = conn;
+  /* shutting down both ends is the same as closing */
+  msg.msg.msg.sd.shut = how;
+  /* because of the LWIP_TCPIP_CORE_LOCKING implementation of do_close,
+     don't use TCPIP_APIMSG here */
+  err = tcpip_apimsg(&msg);
+
+  NETCONN_SET_SAFE_ERR(conn, err);
+  return err;
+}
+
+/**
+ * Close a TCP netconn (doesn't delete it).
+ *
+ * @param conn the TCP netconn to close
+ * @return ERR_OK if the netconn was closed, any other err_t on error
+ */
+err_t
+netconn_close(struct netconn *conn)
+{
+  /* shutting down both ends is the same as closing */
+  return netconn_close_shutdown(conn, NETCONN_SHUT_RDWR);
+}
+
+/**
+ * Shut down one or both sides of a TCP netconn (doesn't delete it).
+ *
+ * @param conn the TCP netconn to shut down
+ * @return ERR_OK if the netconn was closed, any other err_t on error
+ */
+err_t
+netconn_shutdown(struct netconn *conn, u8_t shut_rx, u8_t shut_tx)
+{
+  return netconn_close_shutdown(conn, (shut_rx ? NETCONN_SHUT_RD : 0) | (shut_tx ? NETCONN_SHUT_WR : 0));
+}
+
+#if LWIP_IGMP
+/**
+ * Join multicast groups for UDP netconns.
+ *
+ * @param conn the UDP netconn for which to change multicast addresses
+ * @param multiaddr IP address of the multicast group to join or leave
+ * @param netif_addr the IP address of the network interface on which to send
+ *                  the igmp message
+ * @param join_or_leave flag whether to send a join- or leave-message
+ * @return ERR_OK if the action was taken, any err_t on error
+ */
+err_t
+netconn_join_leave_group(struct netconn *conn,
+                         ip_addr_t *multiaddr,
+                         ip_addr_t *netif_addr,
+                         enum netconn_igmp join_or_leave)
+{
+  struct api_msg msg;
+  err_t err;
+
+  LWIP_ERROR("netconn_join_leave_group: invalid conn",  (conn != NULL), return ERR_ARG;);
+
+  msg.function = do_join_leave_group;
+  msg.msg.conn = conn;
+  msg.msg.msg.jl.multiaddr = multiaddr;
+  msg.msg.msg.jl.netif_addr = netif_addr;
+  msg.msg.msg.jl.join_or_leave = join_or_leave;
+  err = TCPIP_APIMSG(&msg);
+
+  NETCONN_SET_SAFE_ERR(conn, err);
+  return err;
+}
+#endif /* LWIP_IGMP */
+
+#if LWIP_DNS
+/**
+ * Execute a DNS query, only one IP address is returned
+ *
+ * @param name a string representation of the DNS host name to query
+ * @param addr a preallocated ip_addr_t where to store the resolved IP address
+ * @return ERR_OK: resolving succeeded
+ *         ERR_MEM: memory error, try again later
+ *         ERR_ARG: dns client not initialized or invalid hostname
+ *         ERR_VAL: dns server response was invalid
+ */
+err_t
+netconn_gethostbyname(const char *name, ip_addr_t *addr)
+{
+  struct dns_api_msg msg;
+  err_t err;
+  sys_sem_t sem;
+
+  LWIP_ERROR("netconn_gethostbyname: invalid name", (name != NULL), return ERR_ARG;);
+  LWIP_ERROR("netconn_gethostbyname: invalid addr", (addr != NULL), return ERR_ARG;);
+
+  err = sys_sem_new(&sem, 0);
+  if (err != ERR_OK) {
+    return err;
+  }
+
+  msg.name = name;
+  msg.addr = addr;
+  msg.err = &err;
+  msg.sem = &sem;
+
+  tcpip_callback(do_gethostbyname, &msg);
+  sys_sem_wait(&sem);
+  sys_sem_free(&sem);
+
+  return err;
+}
+#endif /* LWIP_DNS*/
+
+#endif /* LWIP_NETCONN */
diff --git a/libraries/net/lwip/lwip/api/api_msg.c b/libraries/net/lwip/lwip/api/api_msg.c
new file mode 100644
index 0000000000..448f96dda0
--- /dev/null
+++ b/libraries/net/lwip/lwip/api/api_msg.c
@@ -0,0 +1,1535 @@
+/**
+ * @file
+ * Sequential API Internal module
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/api_msg.h"
+
+#include "lwip/ip.h"
+#include "lwip/udp.h"
+#include "lwip/tcp.h"
+#include "lwip/raw.h"
+
+#include "lwip/memp.h"
+#include "lwip/tcpip.h"
+#include "lwip/igmp.h"
+#include "lwip/dns.h"
+
+#include 
+
+#define SET_NONBLOCKING_CONNECT(conn, val)  do { if(val) { \
+  (conn)->flags |= NETCONN_FLAG_IN_NONBLOCKING_CONNECT; \
+} else { \
+  (conn)->flags &= ~ NETCONN_FLAG_IN_NONBLOCKING_CONNECT; }} while(0)
+#define IN_NONBLOCKING_CONNECT(conn) (((conn)->flags & NETCONN_FLAG_IN_NONBLOCKING_CONNECT) != 0)
+
+/* forward declarations */
+#if LWIP_TCP
+static err_t do_writemore(struct netconn *conn);
+static void do_close_internal(struct netconn *conn);
+#endif
+
+#if LWIP_RAW
+/**
+ * Receive callback function for RAW netconns.
+ * Doesn't 'eat' the packet, only references it and sends it to
+ * conn->recvmbox
+ *
+ * @see raw.h (struct raw_pcb.recv) for parameters and return value
+ */
+static u8_t
+recv_raw(void *arg, struct raw_pcb *pcb, struct pbuf *p,
+    ip_addr_t *addr)
+{
+  struct pbuf *q;
+  struct netbuf *buf;
+  struct netconn *conn;
+
+  LWIP_UNUSED_ARG(addr);
+  conn = (struct netconn *)arg;
+
+  if ((conn != NULL) && sys_mbox_valid(&conn->recvmbox)) {
+#if LWIP_SO_RCVBUF
+    int recv_avail;
+    SYS_ARCH_GET(conn->recv_avail, recv_avail);
+    if ((recv_avail + (int)(p->tot_len)) > conn->recv_bufsize) {
+      return 0;
+    }
+#endif /* LWIP_SO_RCVBUF */
+    /* copy the whole packet into new pbufs */
+    q = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM);
+    if(q != NULL) {
+      if (pbuf_copy(q, p) != ERR_OK) {
+        pbuf_free(q);
+        q = NULL;
+      }
+    }
+
+    if (q != NULL) {
+      u16_t len;
+      buf = (struct netbuf *)memp_malloc(MEMP_NETBUF);
+      if (buf == NULL) {
+        pbuf_free(q);
+        return 0;
+      }
+
+      buf->p = q;
+      buf->ptr = q;
+      ip_addr_copy(buf->addr, *ip_current_src_addr());
+      buf->port = pcb->protocol;
+
+      len = q->tot_len;
+      if (sys_mbox_trypost(&conn->recvmbox, buf) != ERR_OK) {
+        netbuf_delete(buf);
+        return 0;
+      } else {
+#if LWIP_SO_RCVBUF
+        SYS_ARCH_INC(conn->recv_avail, len);
+#endif /* LWIP_SO_RCVBUF */
+        /* Register event with callback */
+        API_EVENT(conn, NETCONN_EVT_RCVPLUS, len);
+      }
+    }
+  }
+
+  return 0; /* do not eat the packet */
+}
+#endif /* LWIP_RAW*/
+
+#if LWIP_UDP
+/**
+ * Receive callback function for UDP netconns.
+ * Posts the packet to conn->recvmbox or deletes it on memory error.
+ *
+ * @see udp.h (struct udp_pcb.recv) for parameters
+ */
+static void
+recv_udp(void *arg, struct udp_pcb *pcb, struct pbuf *p,
+   ip_addr_t *addr, u16_t port)
+{
+  struct netbuf *buf;
+  struct netconn *conn;
+  u16_t len;
+#if LWIP_SO_RCVBUF
+  int recv_avail;
+#endif /* LWIP_SO_RCVBUF */
+
+  LWIP_UNUSED_ARG(pcb); /* only used for asserts... */
+  LWIP_ASSERT("recv_udp must have a pcb argument", pcb != NULL);
+  LWIP_ASSERT("recv_udp must have an argument", arg != NULL);
+  conn = (struct netconn *)arg;
+  LWIP_ASSERT("recv_udp: recv for wrong pcb!", conn->pcb.udp == pcb);
+
+#if LWIP_SO_RCVBUF
+  SYS_ARCH_GET(conn->recv_avail, recv_avail);
+  if ((conn == NULL) || !sys_mbox_valid(&conn->recvmbox) ||
+      ((recv_avail + (int)(p->tot_len)) > conn->recv_bufsize)) {
+#else  /* LWIP_SO_RCVBUF */
+  if ((conn == NULL) || !sys_mbox_valid(&conn->recvmbox)) {
+#endif /* LWIP_SO_RCVBUF */
+    pbuf_free(p);
+    return;
+  }
+
+  buf = (struct netbuf *)memp_malloc(MEMP_NETBUF);
+  if (buf == NULL) {
+    pbuf_free(p);
+    return;
+  } else {
+    buf->p = p;
+    buf->ptr = p;
+    ip_addr_set(&buf->addr, addr);
+    buf->port = port;
+#if LWIP_NETBUF_RECVINFO
+    {
+      const struct ip_hdr* iphdr = ip_current_header();
+      /* get the UDP header - always in the first pbuf, ensured by udp_input */
+      const struct udp_hdr* udphdr = (void*)(((char*)iphdr) + IPH_LEN(iphdr));
+#if LWIP_CHECKSUM_ON_COPY
+      buf->flags = NETBUF_FLAG_DESTADDR;
+#endif /* LWIP_CHECKSUM_ON_COPY */
+      ip_addr_set(&buf->toaddr, ip_current_dest_addr());
+      buf->toport_chksum = udphdr->dest;
+    }
+#endif /* LWIP_NETBUF_RECVINFO */
+  }
+
+  len = p->tot_len;
+  if (sys_mbox_trypost(&conn->recvmbox, buf) != ERR_OK) {
+    netbuf_delete(buf);
+    return;
+  } else {
+#if LWIP_SO_RCVBUF
+    SYS_ARCH_INC(conn->recv_avail, len);
+#endif /* LWIP_SO_RCVBUF */
+    /* Register event with callback */
+    API_EVENT(conn, NETCONN_EVT_RCVPLUS, len);
+  }
+}
+#endif /* LWIP_UDP */
+
+#if LWIP_TCP
+/**
+ * Receive callback function for TCP netconns.
+ * Posts the packet to conn->recvmbox, but doesn't delete it on errors.
+ *
+ * @see tcp.h (struct tcp_pcb.recv) for parameters and return value
+ */
+static err_t
+recv_tcp(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
+{
+  struct netconn *conn;
+  u16_t len;
+
+  LWIP_UNUSED_ARG(pcb);
+  LWIP_ASSERT("recv_tcp must have a pcb argument", pcb != NULL);
+  LWIP_ASSERT("recv_tcp must have an argument", arg != NULL);
+  conn = (struct netconn *)arg;
+  LWIP_ASSERT("recv_tcp: recv for wrong pcb!", conn->pcb.tcp == pcb);
+
+  if (conn == NULL) {
+    return ERR_VAL;
+  }
+  if (!sys_mbox_valid(&conn->recvmbox)) {
+    /* recvmbox already deleted */
+    if (p != NULL) {
+      tcp_recved(pcb, p->tot_len);
+      pbuf_free(p);
+    }
+    return ERR_OK;
+  }
+  /* Unlike for UDP or RAW pcbs, don't check for available space
+     using recv_avail since that could break the connection
+     (data is already ACKed) */
+
+  /* don't overwrite fatal errors! */
+  NETCONN_SET_SAFE_ERR(conn, err);
+
+  if (p != NULL) {
+    len = p->tot_len;
+  } else {
+    len = 0;
+  }
+
+  if (sys_mbox_trypost(&conn->recvmbox, p) != ERR_OK) {
+    /* don't deallocate p: it is presented to us later again from tcp_fasttmr! */
+    return ERR_MEM;
+  } else {
+#if LWIP_SO_RCVBUF
+    SYS_ARCH_INC(conn->recv_avail, len);
+#endif /* LWIP_SO_RCVBUF */
+    /* Register event with callback */
+    API_EVENT(conn, NETCONN_EVT_RCVPLUS, len);
+  }
+
+  return ERR_OK;
+}
+
+/**
+ * Poll callback function for TCP netconns.
+ * Wakes up an application thread that waits for a connection to close
+ * or data to be sent. The application thread then takes the
+ * appropriate action to go on.
+ *
+ * Signals the conn->sem.
+ * netconn_close waits for conn->sem if closing failed.
+ *
+ * @see tcp.h (struct tcp_pcb.poll) for parameters and return value
+ */
+static err_t
+poll_tcp(void *arg, struct tcp_pcb *pcb)
+{
+  struct netconn *conn = (struct netconn *)arg;
+
+  LWIP_UNUSED_ARG(pcb);
+  LWIP_ASSERT("conn != NULL", (conn != NULL));
+
+  if (conn->state == NETCONN_WRITE) {
+    do_writemore(conn);
+  } else if (conn->state == NETCONN_CLOSE) {
+    do_close_internal(conn);
+  }
+  /* @todo: implement connect timeout here? */
+
+  /* Did a nonblocking write fail before? Then check available write-space. */
+  if (conn->flags & NETCONN_FLAG_CHECK_WRITESPACE) {
+    /* If the queued byte- or pbuf-count drops below the configured low-water limit,
+       let select mark this pcb as writable again. */
+    if ((conn->pcb.tcp != NULL) && (tcp_sndbuf(conn->pcb.tcp) > TCP_SNDLOWAT) &&
+      (tcp_sndqueuelen(conn->pcb.tcp) < TCP_SNDQUEUELOWAT)) {
+      conn->flags &= ~NETCONN_FLAG_CHECK_WRITESPACE;
+      API_EVENT(conn, NETCONN_EVT_SENDPLUS, 0);
+    }
+  }
+
+  return ERR_OK;
+}
+
+/**
+ * Sent callback function for TCP netconns.
+ * Signals the conn->sem and calls API_EVENT.
+ * netconn_write waits for conn->sem if send buffer is low.
+ *
+ * @see tcp.h (struct tcp_pcb.sent) for parameters and return value
+ */
+static err_t
+sent_tcp(void *arg, struct tcp_pcb *pcb, u16_t len)
+{
+  struct netconn *conn = (struct netconn *)arg;
+
+  LWIP_UNUSED_ARG(pcb);
+  LWIP_ASSERT("conn != NULL", (conn != NULL));
+
+  if (conn->state == NETCONN_WRITE) {
+    do_writemore(conn);
+  } else if (conn->state == NETCONN_CLOSE) {
+    do_close_internal(conn);
+  }
+
+  if (conn) {
+    /* If the queued byte- or pbuf-count drops below the configured low-water limit,
+       let select mark this pcb as writable again. */
+    if ((conn->pcb.tcp != NULL) && (tcp_sndbuf(conn->pcb.tcp) > TCP_SNDLOWAT) &&
+      (tcp_sndqueuelen(conn->pcb.tcp) < TCP_SNDQUEUELOWAT)) {
+      conn->flags &= ~NETCONN_FLAG_CHECK_WRITESPACE;
+      API_EVENT(conn, NETCONN_EVT_SENDPLUS, len);
+    }
+  }
+  
+  return ERR_OK;
+}
+
+/**
+ * Error callback function for TCP netconns.
+ * Signals conn->sem, posts to all conn mboxes and calls API_EVENT.
+ * The application thread has then to decide what to do.
+ *
+ * @see tcp.h (struct tcp_pcb.err) for parameters
+ */
+static void
+err_tcp(void *arg, err_t err)
+{
+  struct netconn *conn;
+  enum netconn_state old_state;
+  SYS_ARCH_DECL_PROTECT(lev);
+
+  conn = (struct netconn *)arg;
+  LWIP_ASSERT("conn != NULL", (conn != NULL));
+
+  conn->pcb.tcp = NULL;
+
+  /* no check since this is always fatal! */
+  SYS_ARCH_PROTECT(lev);
+  conn->last_err = err;
+  SYS_ARCH_UNPROTECT(lev);
+
+  /* reset conn->state now before waking up other threads */
+  old_state = conn->state;
+  conn->state = NETCONN_NONE;
+
+  /* Notify the user layer about a connection error. Used to signal
+     select. */
+  API_EVENT(conn, NETCONN_EVT_ERROR, 0);
+  /* Try to release selects pending on 'read' or 'write', too.
+     They will get an error if they actually try to read or write. */
+  API_EVENT(conn, NETCONN_EVT_RCVPLUS, 0);
+  API_EVENT(conn, NETCONN_EVT_SENDPLUS, 0);
+
+  /* pass NULL-message to recvmbox to wake up pending recv */
+  if (sys_mbox_valid(&conn->recvmbox)) {
+    /* use trypost to prevent deadlock */
+    sys_mbox_trypost(&conn->recvmbox, NULL);
+  }
+  /* pass NULL-message to acceptmbox to wake up pending accept */
+  if (sys_mbox_valid(&conn->acceptmbox)) {
+    /* use trypost to preven deadlock */
+    sys_mbox_trypost(&conn->acceptmbox, NULL);
+  }
+
+  if ((old_state == NETCONN_WRITE) || (old_state == NETCONN_CLOSE) ||
+      (old_state == NETCONN_CONNECT)) {
+    /* calling do_writemore/do_close_internal is not necessary
+       since the pcb has already been deleted! */
+    int was_nonblocking_connect = IN_NONBLOCKING_CONNECT(conn);
+    SET_NONBLOCKING_CONNECT(conn, 0);
+
+    if (!was_nonblocking_connect) {
+      /* set error return code */
+      LWIP_ASSERT("conn->current_msg != NULL", conn->current_msg != NULL);
+      conn->current_msg->err = err;
+      conn->current_msg = NULL;
+      /* wake up the waiting task */
+      sys_sem_signal(&conn->op_completed);
+    }
+  } else {
+    LWIP_ASSERT("conn->current_msg == NULL", conn->current_msg == NULL);
+  }
+}
+
+/**
+ * Setup a tcp_pcb with the correct callback function pointers
+ * and their arguments.
+ *
+ * @param conn the TCP netconn to setup
+ */
+static void
+setup_tcp(struct netconn *conn)
+{
+  struct tcp_pcb *pcb;
+
+  pcb = conn->pcb.tcp;
+  tcp_arg(pcb, conn);
+  tcp_recv(pcb, recv_tcp);
+  tcp_sent(pcb, sent_tcp);
+  tcp_poll(pcb, poll_tcp, 4);
+  tcp_err(pcb, err_tcp);
+}
+
+/**
+ * Accept callback function for TCP netconns.
+ * Allocates a new netconn and posts that to conn->acceptmbox.
+ *
+ * @see tcp.h (struct tcp_pcb_listen.accept) for parameters and return value
+ */
+static err_t
+accept_function(void *arg, struct tcp_pcb *newpcb, err_t err)
+{
+  struct netconn *newconn;
+  struct netconn *conn = (struct netconn *)arg;
+
+  LWIP_DEBUGF(API_MSG_DEBUG, ("accept_function: newpcb->tate: %s\n", tcp_debug_state_str(newpcb->state)));
+
+  if (!sys_mbox_valid(&conn->acceptmbox)) {
+    LWIP_DEBUGF(API_MSG_DEBUG, ("accept_function: acceptmbox already deleted\n"));
+    return ERR_VAL;
+  }
+
+  /* We have to set the callback here even though
+   * the new socket is unknown. conn->socket is marked as -1. */
+  newconn = netconn_alloc(conn->type, conn->callback);
+  if (newconn == NULL) {
+    return ERR_MEM;
+  }
+  newconn->pcb.tcp = newpcb;
+  setup_tcp(newconn);
+  /* no protection: when creating the pcb, the netconn is not yet known
+     to the application thread */
+  newconn->last_err = err;
+
+  if (sys_mbox_trypost(&conn->acceptmbox, newconn) != ERR_OK) {
+    /* When returning != ERR_OK, the pcb is aborted in tcp_process(),
+       so do nothing here! */
+    newconn->pcb.tcp = NULL;
+    /* no need to drain since we know the recvmbox is empty. */
+    sys_mbox_free(&newconn->recvmbox);
+    sys_mbox_set_invalid(&newconn->recvmbox);
+    netconn_free(newconn);
+    return ERR_MEM;
+  } else {
+    /* Register event with callback */
+    API_EVENT(conn, NETCONN_EVT_RCVPLUS, 0);
+  }
+
+  return ERR_OK;
+}
+#endif /* LWIP_TCP */
+
+/**
+ * Create a new pcb of a specific type.
+ * Called from do_newconn().
+ *
+ * @param msg the api_msg_msg describing the connection type
+ * @return msg->conn->err, but the return value is currently ignored
+ */
+static void
+pcb_new(struct api_msg_msg *msg)
+{
+  LWIP_ASSERT("pcb_new: pcb already allocated", msg->conn->pcb.tcp == NULL);
+
+  /* Allocate a PCB for this connection */
+  switch(NETCONNTYPE_GROUP(msg->conn->type)) {
+#if LWIP_RAW
+  case NETCONN_RAW:
+    msg->conn->pcb.raw = raw_new(msg->msg.n.proto);
+    if(msg->conn->pcb.raw == NULL) {
+      msg->err = ERR_MEM;
+      break;
+    }
+    raw_recv(msg->conn->pcb.raw, recv_raw, msg->conn);
+    break;
+#endif /* LWIP_RAW */
+#if LWIP_UDP
+  case NETCONN_UDP:
+    msg->conn->pcb.udp = udp_new();
+    if(msg->conn->pcb.udp == NULL) {
+      msg->err = ERR_MEM;
+      break;
+    }
+#if LWIP_UDPLITE
+    if (msg->conn->type==NETCONN_UDPLITE) {
+      udp_setflags(msg->conn->pcb.udp, UDP_FLAGS_UDPLITE);
+    }
+#endif /* LWIP_UDPLITE */
+    if (msg->conn->type==NETCONN_UDPNOCHKSUM) {
+      udp_setflags(msg->conn->pcb.udp, UDP_FLAGS_NOCHKSUM);
+    }
+    udp_recv(msg->conn->pcb.udp, recv_udp, msg->conn);
+    break;
+#endif /* LWIP_UDP */
+#if LWIP_TCP
+  case NETCONN_TCP:
+    msg->conn->pcb.tcp = tcp_new();
+    if(msg->conn->pcb.tcp == NULL) {
+      msg->err = ERR_MEM;
+      break;
+    }
+    setup_tcp(msg->conn);
+    break;
+#endif /* LWIP_TCP */
+  default:
+    /* Unsupported netconn type, e.g. protocol disabled */
+    msg->err = ERR_VAL;
+    break;
+  }
+}
+
+/**
+ * Create a new pcb of a specific type inside a netconn.
+ * Called from netconn_new_with_proto_and_callback.
+ *
+ * @param msg the api_msg_msg describing the connection type
+ */
+void
+do_newconn(struct api_msg_msg *msg)
+{
+  msg->err = ERR_OK;
+  if(msg->conn->pcb.tcp == NULL) {
+    pcb_new(msg);
+  }
+  /* Else? This "new" connection already has a PCB allocated. */
+  /* Is this an error condition? Should it be deleted? */
+  /* We currently just are happy and return. */
+
+  TCPIP_APIMSG_ACK(msg);
+}
+
+/**
+ * Create a new netconn (of a specific type) that has a callback function.
+ * The corresponding pcb is NOT created!
+ *
+ * @param t the type of 'connection' to create (@see enum netconn_type)
+ * @param proto the IP protocol for RAW IP pcbs
+ * @param callback a function to call on status changes (RX available, TX'ed)
+ * @return a newly allocated struct netconn or
+ *         NULL on memory error
+ */
+struct netconn*
+netconn_alloc(enum netconn_type t, netconn_callback callback)
+{
+  struct netconn *conn;
+  int size;
+
+  conn = (struct netconn *)memp_malloc(MEMP_NETCONN);
+  if (conn == NULL) {
+    return NULL;
+  }
+
+  conn->last_err = ERR_OK;
+  conn->type = t;
+  conn->pcb.tcp = NULL;
+
+#if (DEFAULT_RAW_RECVMBOX_SIZE == DEFAULT_UDP_RECVMBOX_SIZE) && \
+    (DEFAULT_RAW_RECVMBOX_SIZE == DEFAULT_TCP_RECVMBOX_SIZE)
+  size = DEFAULT_RAW_RECVMBOX_SIZE;
+#else
+  switch(NETCONNTYPE_GROUP(t)) {
+#if LWIP_RAW
+  case NETCONN_RAW:
+    size = DEFAULT_RAW_RECVMBOX_SIZE;
+    break;
+#endif /* LWIP_RAW */
+#if LWIP_UDP
+  case NETCONN_UDP:
+    size = DEFAULT_UDP_RECVMBOX_SIZE;
+    break;
+#endif /* LWIP_UDP */
+#if LWIP_TCP
+  case NETCONN_TCP:
+    size = DEFAULT_TCP_RECVMBOX_SIZE;
+    break;
+#endif /* LWIP_TCP */
+  default:
+    LWIP_ASSERT("netconn_alloc: undefined netconn_type", 0);
+    break;
+  }
+#endif
+
+  if (sys_sem_new(&conn->op_completed, 0) != ERR_OK) {
+    memp_free(MEMP_NETCONN, conn);
+    return NULL;
+  }
+  if (sys_mbox_new(&conn->recvmbox, size) != ERR_OK) {
+    sys_sem_free(&conn->op_completed);
+    memp_free(MEMP_NETCONN, conn);
+    return NULL;
+  }
+
+#if LWIP_TCP
+  sys_mbox_set_invalid(&conn->acceptmbox);
+#endif
+  conn->state        = NETCONN_NONE;
+#if LWIP_SOCKET
+  /* initialize socket to -1 since 0 is a valid socket */
+  conn->socket       = -1;
+#endif /* LWIP_SOCKET */
+  conn->callback     = callback;
+#if LWIP_TCP
+  conn->current_msg  = NULL;
+  conn->write_offset = 0;
+#endif /* LWIP_TCP */
+#if LWIP_SO_RCVTIMEO
+  conn->recv_timeout = 0;
+#endif /* LWIP_SO_RCVTIMEO */
+#if LWIP_SO_RCVBUF
+  conn->recv_bufsize = RECV_BUFSIZE_DEFAULT;
+  conn->recv_avail   = 0;
+#endif /* LWIP_SO_RCVBUF */
+  conn->flags = 0;
+  return conn;
+}
+
+/**
+ * Delete a netconn and all its resources.
+ * The pcb is NOT freed (since we might not be in the right thread context do this).
+ *
+ * @param conn the netconn to free
+ */
+void
+netconn_free(struct netconn *conn)
+{
+  LWIP_ASSERT("PCB must be deallocated outside this function", conn->pcb.tcp == NULL);
+  LWIP_ASSERT("recvmbox must be deallocated before calling this function",
+    !sys_mbox_valid(&conn->recvmbox));
+#if LWIP_TCP
+  LWIP_ASSERT("acceptmbox must be deallocated before calling this function",
+    !sys_mbox_valid(&conn->acceptmbox));
+#endif /* LWIP_TCP */
+
+  sys_sem_free(&conn->op_completed);
+  sys_sem_set_invalid(&conn->op_completed);
+
+  memp_free(MEMP_NETCONN, conn);
+}
+
+/**
+ * Delete rcvmbox and acceptmbox of a netconn and free the left-over data in
+ * these mboxes
+ *
+ * @param conn the netconn to free
+ * @bytes_drained bytes drained from recvmbox
+ * @accepts_drained pending connections drained from acceptmbox
+ */
+static void
+netconn_drain(struct netconn *conn)
+{
+  void *mem;
+#if LWIP_TCP
+  struct pbuf *p;
+#endif /* LWIP_TCP */
+
+  /* This runs in tcpip_thread, so we don't need to lock against rx packets */
+
+  /* Delete and drain the recvmbox. */
+  if (sys_mbox_valid(&conn->recvmbox)) {
+    while (sys_mbox_tryfetch(&conn->recvmbox, &mem) != SYS_MBOX_EMPTY) {
+#if LWIP_TCP
+      if (conn->type == NETCONN_TCP) {
+        if(mem != NULL) {
+          p = (struct pbuf*)mem;
+          /* pcb might be set to NULL already by err_tcp() */
+          if (conn->pcb.tcp != NULL) {
+            tcp_recved(conn->pcb.tcp, p->tot_len);
+          }
+          pbuf_free(p);
+        }
+      } else
+#endif /* LWIP_TCP */
+      {
+        netbuf_delete((struct netbuf *)mem);
+      }
+    }
+    sys_mbox_free(&conn->recvmbox);
+    sys_mbox_set_invalid(&conn->recvmbox);
+  }
+
+  /* Delete and drain the acceptmbox. */
+#if LWIP_TCP
+  if (sys_mbox_valid(&conn->acceptmbox)) {
+    while (sys_mbox_tryfetch(&conn->acceptmbox, &mem) != SYS_MBOX_EMPTY) {
+      struct netconn *newconn = (struct netconn *)mem;
+      /* Only tcp pcbs have an acceptmbox, so no need to check conn->type */
+      /* pcb might be set to NULL already by err_tcp() */
+      if (conn->pcb.tcp != NULL) {
+        tcp_accepted(conn->pcb.tcp);
+      }
+      /* drain recvmbox */
+      netconn_drain(newconn);
+      if (newconn->pcb.tcp != NULL) {
+        tcp_abort(newconn->pcb.tcp);
+        newconn->pcb.tcp = NULL;
+      }
+      netconn_free(newconn);
+    }
+    sys_mbox_free(&conn->acceptmbox);
+    sys_mbox_set_invalid(&conn->acceptmbox);
+  }
+#endif /* LWIP_TCP */
+}
+
+#if LWIP_TCP
+/**
+ * Internal helper function to close a TCP netconn: since this sometimes
+ * doesn't work at the first attempt, this function is called from multiple
+ * places.
+ *
+ * @param conn the TCP netconn to close
+ */
+static void
+do_close_internal(struct netconn *conn)
+{
+  err_t err;
+  u8_t shut, shut_rx, shut_tx, close;
+
+  LWIP_ASSERT("invalid conn", (conn != NULL));
+  LWIP_ASSERT("this is for tcp netconns only", (conn->type == NETCONN_TCP));
+  LWIP_ASSERT("conn must be in state NETCONN_CLOSE", (conn->state == NETCONN_CLOSE));
+  LWIP_ASSERT("pcb already closed", (conn->pcb.tcp != NULL));
+  LWIP_ASSERT("conn->current_msg != NULL", conn->current_msg != NULL);
+
+  shut = conn->current_msg->msg.sd.shut;
+  shut_rx = shut & NETCONN_SHUT_RD;
+  shut_tx = shut & NETCONN_SHUT_WR;
+  /* shutting down both ends is the same as closing */
+  close = shut == NETCONN_SHUT_RDWR;
+
+  /* Set back some callback pointers */
+  if (close) {
+    tcp_arg(conn->pcb.tcp, NULL);
+  }
+  if (conn->pcb.tcp->state == LISTEN) {
+    tcp_accept(conn->pcb.tcp, NULL);
+  } else {
+    /* some callbacks have to be reset if tcp_close is not successful */
+    if (shut_rx) {
+      tcp_recv(conn->pcb.tcp, NULL);
+      tcp_accept(conn->pcb.tcp, NULL);
+    }
+    if (shut_tx) {
+      tcp_sent(conn->pcb.tcp, NULL);
+    }
+    if (close) {
+      tcp_poll(conn->pcb.tcp, NULL, 4);
+      tcp_err(conn->pcb.tcp, NULL);
+    }
+  }
+  /* Try to close the connection */
+  if (shut == NETCONN_SHUT_RDWR) {
+    err = tcp_close(conn->pcb.tcp);
+  } else {
+    err = tcp_shutdown(conn->pcb.tcp, shut & NETCONN_SHUT_RD, shut & NETCONN_SHUT_WR);
+  }
+  if (err == ERR_OK) {
+    /* Closing succeeded */
+    conn->current_msg->err = ERR_OK;
+    conn->current_msg = NULL;
+    conn->state = NETCONN_NONE;
+    /* Set back some callback pointers as conn is going away */
+    conn->pcb.tcp = NULL;
+    /* Trigger select() in socket layer. Make sure everybody notices activity
+       on the connection, error first! */
+    if (close) {
+      API_EVENT(conn, NETCONN_EVT_ERROR, 0);
+    }
+    if (shut_rx) {
+      API_EVENT(conn, NETCONN_EVT_RCVPLUS, 0);
+    }
+    if (shut_tx) {
+      API_EVENT(conn, NETCONN_EVT_SENDPLUS, 0);
+    }
+    /* wake up the application task */
+    sys_sem_signal(&conn->op_completed);
+  } else {
+    /* Closing failed, restore some of the callbacks */
+    /* Closing of listen pcb will never fail! */
+    LWIP_ASSERT("Closing a listen pcb may not fail!", (conn->pcb.tcp->state != LISTEN));
+    tcp_sent(conn->pcb.tcp, sent_tcp);
+    tcp_poll(conn->pcb.tcp, poll_tcp, 4);
+    tcp_err(conn->pcb.tcp, err_tcp);
+    tcp_arg(conn->pcb.tcp, conn);
+    /* don't restore recv callback: we don't want to receive any more data */
+  }
+  /* If closing didn't succeed, we get called again either
+     from poll_tcp or from sent_tcp */
+}
+#endif /* LWIP_TCP */
+
+/**
+ * Delete the pcb inside a netconn.
+ * Called from netconn_delete.
+ *
+ * @param msg the api_msg_msg pointing to the connection
+ */
+void
+do_delconn(struct api_msg_msg *msg)
+{
+  /* @todo TCP: abort running write/connect? */
+ if ((msg->conn->state != NETCONN_NONE) &&
+     (msg->conn->state != NETCONN_LISTEN) &&
+     (msg->conn->state != NETCONN_CONNECT)) {
+    /* this only happens for TCP netconns */
+    LWIP_ASSERT("msg->conn->type == NETCONN_TCP", msg->conn->type == NETCONN_TCP);
+    msg->err = ERR_INPROGRESS;
+  } else {
+    LWIP_ASSERT("blocking connect in progress",
+      (msg->conn->state != NETCONN_CONNECT) || IN_NONBLOCKING_CONNECT(msg->conn));
+    /* Drain and delete mboxes */
+    netconn_drain(msg->conn);
+
+    if (msg->conn->pcb.tcp != NULL) {
+
+      switch (NETCONNTYPE_GROUP(msg->conn->type)) {
+#if LWIP_RAW
+      case NETCONN_RAW:
+        raw_remove(msg->conn->pcb.raw);
+        break;
+#endif /* LWIP_RAW */
+#if LWIP_UDP
+      case NETCONN_UDP:
+        msg->conn->pcb.udp->recv_arg = NULL;
+        udp_remove(msg->conn->pcb.udp);
+        break;
+#endif /* LWIP_UDP */
+#if LWIP_TCP
+      case NETCONN_TCP:
+        LWIP_ASSERT("already writing or closing", msg->conn->current_msg == NULL &&
+          msg->conn->write_offset == 0);
+        msg->conn->state = NETCONN_CLOSE;
+        msg->msg.sd.shut = NETCONN_SHUT_RDWR;
+        msg->conn->current_msg = msg;
+        do_close_internal(msg->conn);
+        /* API_EVENT is called inside do_close_internal, before releasing
+           the application thread, so we can return at this point! */
+        return;
+#endif /* LWIP_TCP */
+      default:
+        break;
+      }
+      msg->conn->pcb.tcp = NULL;
+    }
+    /* tcp netconns don't come here! */
+
+    /* @todo: this lets select make the socket readable and writable,
+       which is wrong! errfd instead? */
+    API_EVENT(msg->conn, NETCONN_EVT_RCVPLUS, 0);
+    API_EVENT(msg->conn, NETCONN_EVT_SENDPLUS, 0);
+  }
+  if (sys_sem_valid(&msg->conn->op_completed)) {
+    sys_sem_signal(&msg->conn->op_completed);
+  }
+}
+
+/**
+ * Bind a pcb contained in a netconn
+ * Called from netconn_bind.
+ *
+ * @param msg the api_msg_msg pointing to the connection and containing
+ *            the IP address and port to bind to
+ */
+void
+do_bind(struct api_msg_msg *msg)
+{
+  if (ERR_IS_FATAL(msg->conn->last_err)) {
+    msg->err = msg->conn->last_err;
+  } else {
+    msg->err = ERR_VAL;
+    if (msg->conn->pcb.tcp != NULL) {
+      switch (NETCONNTYPE_GROUP(msg->conn->type)) {
+#if LWIP_RAW
+      case NETCONN_RAW:
+        msg->err = raw_bind(msg->conn->pcb.raw, msg->msg.bc.ipaddr);
+        break;
+#endif /* LWIP_RAW */
+#if LWIP_UDP
+      case NETCONN_UDP:
+        msg->err = udp_bind(msg->conn->pcb.udp, msg->msg.bc.ipaddr, msg->msg.bc.port);
+        break;
+#endif /* LWIP_UDP */
+#if LWIP_TCP
+      case NETCONN_TCP:
+        msg->err = tcp_bind(msg->conn->pcb.tcp, msg->msg.bc.ipaddr, msg->msg.bc.port);
+        break;
+#endif /* LWIP_TCP */
+      default:
+        break;
+      }
+    }
+  }
+  TCPIP_APIMSG_ACK(msg);
+}
+
+#if LWIP_TCP
+/**
+ * TCP callback function if a connection (opened by tcp_connect/do_connect) has
+ * been established (or reset by the remote host).
+ *
+ * @see tcp.h (struct tcp_pcb.connected) for parameters and return values
+ */
+static err_t
+do_connected(void *arg, struct tcp_pcb *pcb, err_t err)
+{
+  struct netconn *conn;
+  int was_blocking;
+
+  LWIP_UNUSED_ARG(pcb);
+
+  conn = (struct netconn *)arg;
+
+  if (conn == NULL) {
+    return ERR_VAL;
+  }
+
+  LWIP_ASSERT("conn->state == NETCONN_CONNECT", conn->state == NETCONN_CONNECT);
+  LWIP_ASSERT("(conn->current_msg != NULL) || conn->in_non_blocking_connect",
+    (conn->current_msg != NULL) || IN_NONBLOCKING_CONNECT(conn));
+
+  if (conn->current_msg != NULL) {
+    conn->current_msg->err = err;
+  }
+  if ((conn->type == NETCONN_TCP) && (err == ERR_OK)) {
+    setup_tcp(conn);
+  }
+  was_blocking = !IN_NONBLOCKING_CONNECT(conn);
+  SET_NONBLOCKING_CONNECT(conn, 0);
+  conn->current_msg = NULL;
+  conn->state = NETCONN_NONE;
+  if (!was_blocking) {
+    NETCONN_SET_SAFE_ERR(conn, ERR_OK);
+  }
+  API_EVENT(conn, NETCONN_EVT_SENDPLUS, 0);
+
+  if (was_blocking) {
+    sys_sem_signal(&conn->op_completed);
+  }
+  return ERR_OK;
+}
+#endif /* LWIP_TCP */
+
+/**
+ * Connect a pcb contained inside a netconn
+ * Called from netconn_connect.
+ *
+ * @param msg the api_msg_msg pointing to the connection and containing
+ *            the IP address and port to connect to
+ */
+void
+do_connect(struct api_msg_msg *msg)
+{
+  if (msg->conn->pcb.tcp == NULL) {
+    /* This may happen when calling netconn_connect() a second time */
+    msg->err = ERR_CLSD;
+  } else {
+    switch (NETCONNTYPE_GROUP(msg->conn->type)) {
+#if LWIP_RAW
+  case NETCONN_RAW:
+    msg->err = raw_connect(msg->conn->pcb.raw, msg->msg.bc.ipaddr);
+    break;
+#endif /* LWIP_RAW */
+#if LWIP_UDP
+  case NETCONN_UDP:
+    msg->err = udp_connect(msg->conn->pcb.udp, msg->msg.bc.ipaddr, msg->msg.bc.port);
+    break;
+#endif /* LWIP_UDP */
+#if LWIP_TCP
+  case NETCONN_TCP:
+    /* Prevent connect while doing any other action. */
+    if (msg->conn->state != NETCONN_NONE) {
+      msg->err = ERR_ISCONN;
+    } else {
+      setup_tcp(msg->conn);
+      msg->err = tcp_connect(msg->conn->pcb.tcp, msg->msg.bc.ipaddr,
+        msg->msg.bc.port, do_connected);
+      if (msg->err == ERR_OK) {
+        u8_t non_blocking = netconn_is_nonblocking(msg->conn);
+        msg->conn->state = NETCONN_CONNECT;
+        SET_NONBLOCKING_CONNECT(msg->conn, non_blocking);
+        if (non_blocking) {
+          msg->err = ERR_INPROGRESS;
+        } else {
+          msg->conn->current_msg = msg;
+          /* sys_sem_signal() is called from do_connected (or err_tcp()),
+          * when the connection is established! */
+          return;
+        }
+      }
+    }
+    break;
+#endif /* LWIP_TCP */
+  default:
+    LWIP_ERROR("Invalid netconn type", 0, do{ msg->err = ERR_VAL; }while(0));
+    break;
+    }
+  }
+  sys_sem_signal(&msg->conn->op_completed);
+}
+
+/**
+ * Connect a pcb contained inside a netconn
+ * Only used for UDP netconns.
+ * Called from netconn_disconnect.
+ *
+ * @param msg the api_msg_msg pointing to the connection to disconnect
+ */
+void
+do_disconnect(struct api_msg_msg *msg)
+{
+#if LWIP_UDP
+  if (NETCONNTYPE_GROUP(msg->conn->type) == NETCONN_UDP) {
+    udp_disconnect(msg->conn->pcb.udp);
+    msg->err = ERR_OK;
+  } else
+#endif /* LWIP_UDP */
+  {
+    msg->err = ERR_VAL;
+  }
+  TCPIP_APIMSG_ACK(msg);
+}
+
+#if LWIP_TCP
+/**
+ * Set a TCP pcb contained in a netconn into listen mode
+ * Called from netconn_listen.
+ *
+ * @param msg the api_msg_msg pointing to the connection
+ */
+void
+do_listen(struct api_msg_msg *msg)
+{
+  if (ERR_IS_FATAL(msg->conn->last_err)) {
+    msg->err = msg->conn->last_err;
+  } else {
+    msg->err = ERR_CONN;
+    if (msg->conn->pcb.tcp != NULL) {
+      if (msg->conn->type == NETCONN_TCP) {
+        if (msg->conn->state == NETCONN_NONE) {
+#if TCP_LISTEN_BACKLOG
+          struct tcp_pcb* lpcb = tcp_listen_with_backlog(msg->conn->pcb.tcp, msg->msg.lb.backlog);
+#else  /* TCP_LISTEN_BACKLOG */
+          struct tcp_pcb* lpcb = tcp_listen(msg->conn->pcb.tcp);
+#endif /* TCP_LISTEN_BACKLOG */
+          if (lpcb == NULL) {
+            /* in this case, the old pcb is still allocated */
+            msg->err = ERR_MEM;
+          } else {
+            /* delete the recvmbox and allocate the acceptmbox */
+            if (sys_mbox_valid(&msg->conn->recvmbox)) {
+              /** @todo: should we drain the recvmbox here? */
+              sys_mbox_free(&msg->conn->recvmbox);
+              sys_mbox_set_invalid(&msg->conn->recvmbox);
+            }
+            msg->err = ERR_OK;
+            if (!sys_mbox_valid(&msg->conn->acceptmbox)) {
+              msg->err = sys_mbox_new(&msg->conn->acceptmbox, DEFAULT_ACCEPTMBOX_SIZE);
+            }
+            if (msg->err == ERR_OK) {
+              msg->conn->state = NETCONN_LISTEN;
+              msg->conn->pcb.tcp = lpcb;
+              tcp_arg(msg->conn->pcb.tcp, msg->conn);
+              tcp_accept(msg->conn->pcb.tcp, accept_function);
+            } else {
+              /* since the old pcb is already deallocated, free lpcb now */
+              tcp_close(lpcb);
+              msg->conn->pcb.tcp = NULL;
+            }
+          }
+        }
+      }
+    }
+  }
+  TCPIP_APIMSG_ACK(msg);
+}
+#endif /* LWIP_TCP */
+
+/**
+ * Send some data on a RAW or UDP pcb contained in a netconn
+ * Called from netconn_send
+ *
+ * @param msg the api_msg_msg pointing to the connection
+ */
+void
+do_send(struct api_msg_msg *msg)
+{
+  if (ERR_IS_FATAL(msg->conn->last_err)) {
+    msg->err = msg->conn->last_err;
+  } else {
+    msg->err = ERR_CONN;
+    if (msg->conn->pcb.tcp != NULL) {
+      switch (NETCONNTYPE_GROUP(msg->conn->type)) {
+#if LWIP_RAW
+      case NETCONN_RAW:
+        if (ip_addr_isany(&msg->msg.b->addr)) {
+          msg->err = raw_send(msg->conn->pcb.raw, msg->msg.b->p);
+        } else {
+          msg->err = raw_sendto(msg->conn->pcb.raw, msg->msg.b->p, &msg->msg.b->addr);
+        }
+        break;
+#endif
+#if LWIP_UDP
+      case NETCONN_UDP:
+#if LWIP_CHECKSUM_ON_COPY
+        if (ip_addr_isany(&msg->msg.b->addr)) {
+          msg->err = udp_send_chksum(msg->conn->pcb.udp, msg->msg.b->p,
+            msg->msg.b->flags & NETBUF_FLAG_CHKSUM, msg->msg.b->toport_chksum);
+        } else {
+          msg->err = udp_sendto_chksum(msg->conn->pcb.udp, msg->msg.b->p,
+            &msg->msg.b->addr, msg->msg.b->port,
+            msg->msg.b->flags & NETBUF_FLAG_CHKSUM, msg->msg.b->toport_chksum);
+        }
+#else /* LWIP_CHECKSUM_ON_COPY */
+        if (ip_addr_isany(&msg->msg.b->addr)) {
+          msg->err = udp_send(msg->conn->pcb.udp, msg->msg.b->p);
+        } else {
+          msg->err = udp_sendto(msg->conn->pcb.udp, msg->msg.b->p, &msg->msg.b->addr, msg->msg.b->port);
+        }
+#endif /* LWIP_CHECKSUM_ON_COPY */
+        break;
+#endif /* LWIP_UDP */
+      default:
+        break;
+      }
+    }
+  }
+  TCPIP_APIMSG_ACK(msg);
+}
+
+#if LWIP_TCP
+/**
+ * Indicate data has been received from a TCP pcb contained in a netconn
+ * Called from netconn_recv
+ *
+ * @param msg the api_msg_msg pointing to the connection
+ */
+void
+do_recv(struct api_msg_msg *msg)
+{
+  msg->err = ERR_OK;
+  if (msg->conn->pcb.tcp != NULL) {
+    if (msg->conn->type == NETCONN_TCP) {
+#if TCP_LISTEN_BACKLOG
+      if (msg->conn->pcb.tcp->state == LISTEN) {
+        tcp_accepted(msg->conn->pcb.tcp);
+      } else
+#endif /* TCP_LISTEN_BACKLOG */
+      {
+        u32_t remaining = msg->msg.r.len;
+        do {
+          u16_t recved = (remaining > 0xffff) ? 0xffff : (u16_t)remaining;
+          tcp_recved(msg->conn->pcb.tcp, recved);
+          remaining -= recved;
+        }while(remaining != 0);
+      }
+    }
+  }
+  TCPIP_APIMSG_ACK(msg);
+}
+
+/**
+ * See if more data needs to be written from a previous call to netconn_write.
+ * Called initially from do_write. If the first call can't send all data
+ * (because of low memory or empty send-buffer), this function is called again
+ * from sent_tcp() or poll_tcp() to send more data. If all data is sent, the
+ * blocking application thread (waiting in netconn_write) is released.
+ *
+ * @param conn netconn (that is currently in state NETCONN_WRITE) to process
+ * @return ERR_OK
+ *         ERR_MEM if LWIP_TCPIP_CORE_LOCKING=1 and sending hasn't yet finished
+ */
+static err_t
+do_writemore(struct netconn *conn)
+{
+  err_t err = ERR_OK;
+  void *dataptr;
+  u16_t len, available;
+  u8_t write_finished = 0;
+  size_t diff;
+  u8_t dontblock = netconn_is_nonblocking(conn) ||
+       (conn->current_msg->msg.w.apiflags & NETCONN_DONTBLOCK);
+  u8_t apiflags = conn->current_msg->msg.w.apiflags;
+
+  LWIP_ASSERT("conn != NULL", conn != NULL);
+  LWIP_ASSERT("conn->state == NETCONN_WRITE", (conn->state == NETCONN_WRITE));
+  LWIP_ASSERT("conn->current_msg != NULL", conn->current_msg != NULL);
+  LWIP_ASSERT("conn->pcb.tcp != NULL", conn->pcb.tcp != NULL);
+  LWIP_ASSERT("conn->write_offset < conn->current_msg->msg.w.len",
+    conn->write_offset < conn->current_msg->msg.w.len);
+
+  dataptr = (u8_t*)conn->current_msg->msg.w.dataptr + conn->write_offset;
+  diff = conn->current_msg->msg.w.len - conn->write_offset;
+  if (diff > 0xffffUL) { /* max_u16_t */
+    len = 0xffff;
+#if LWIP_TCPIP_CORE_LOCKING
+    conn->flags |= NETCONN_FLAG_WRITE_DELAYED;
+#endif
+    apiflags |= TCP_WRITE_FLAG_MORE;
+  } else {
+    len = (u16_t)diff;
+  }
+  available = tcp_sndbuf(conn->pcb.tcp);
+  if (available < len) {
+    /* don't try to write more than sendbuf */
+    len = available;
+#if LWIP_TCPIP_CORE_LOCKING
+    conn->flags |= NETCONN_FLAG_WRITE_DELAYED;
+#endif
+    apiflags |= TCP_WRITE_FLAG_MORE;
+  }
+  if (dontblock && (len < conn->current_msg->msg.w.len)) {
+    /* failed to send all data at once -> nonblocking write not possible */
+    err = ERR_MEM;
+  }
+  if (err == ERR_OK) {
+    LWIP_ASSERT("do_writemore: invalid length!", ((conn->write_offset + len) <= conn->current_msg->msg.w.len));
+    err = tcp_write(conn->pcb.tcp, dataptr, len, apiflags);
+  }
+  if (dontblock && (err == ERR_MEM)) {
+    /* nonblocking write failed */
+    write_finished = 1;
+    err = ERR_WOULDBLOCK;
+    /* let poll_tcp check writable space to mark the pcb
+       writable again */
+    conn->flags |= NETCONN_FLAG_CHECK_WRITESPACE;
+    /* let select mark this pcb as non-writable. */
+    API_EVENT(conn, NETCONN_EVT_SENDMINUS, len);
+  } else {
+    /* if OK or memory error, check available space */
+    if (((err == ERR_OK) || (err == ERR_MEM)) &&
+        ((tcp_sndbuf(conn->pcb.tcp) <= TCP_SNDLOWAT) ||
+         (tcp_sndqueuelen(conn->pcb.tcp) >= TCP_SNDQUEUELOWAT))) {
+      /* The queued byte- or pbuf-count exceeds the configured low-water limit,
+         let select mark this pcb as non-writable. */
+      API_EVENT(conn, NETCONN_EVT_SENDMINUS, len);
+    }
+
+    if (err == ERR_OK) {
+      conn->write_offset += len;
+      if (conn->write_offset == conn->current_msg->msg.w.len) {
+        /* everything was written */
+        write_finished = 1;
+        conn->write_offset = 0;
+      }
+      tcp_output(conn->pcb.tcp);
+    } else if (err == ERR_MEM) {
+      /* If ERR_MEM, we wait for sent_tcp or poll_tcp to be called
+         we do NOT return to the application thread, since ERR_MEM is
+         only a temporary error! */
+
+      /* tcp_write returned ERR_MEM, try tcp_output anyway */
+      tcp_output(conn->pcb.tcp);
+
+  #if LWIP_TCPIP_CORE_LOCKING
+      conn->flags |= NETCONN_FLAG_WRITE_DELAYED;
+  #endif
+    } else {
+      /* On errors != ERR_MEM, we don't try writing any more but return
+         the error to the application thread. */
+      write_finished = 1;
+    }
+  }
+
+  if (write_finished) {
+    /* everything was written: set back connection state
+       and back to application task */
+    conn->current_msg->err = err;
+    conn->current_msg = NULL;
+    conn->state = NETCONN_NONE;
+#if LWIP_TCPIP_CORE_LOCKING
+    if ((conn->flags & NETCONN_FLAG_WRITE_DELAYED) != 0)
+#endif
+    {
+      sys_sem_signal(&conn->op_completed);
+    }
+  }
+#if LWIP_TCPIP_CORE_LOCKING
+  else
+    return ERR_MEM;
+#endif
+  return ERR_OK;
+}
+#endif /* LWIP_TCP */
+
+/**
+ * Send some data on a TCP pcb contained in a netconn
+ * Called from netconn_write
+ *
+ * @param msg the api_msg_msg pointing to the connection
+ */
+void
+do_write(struct api_msg_msg *msg)
+{
+  if (ERR_IS_FATAL(msg->conn->last_err)) {
+    msg->err = msg->conn->last_err;
+  } else {
+    if (msg->conn->type == NETCONN_TCP) {
+#if LWIP_TCP
+      if (msg->conn->state != NETCONN_NONE) {
+        /* netconn is connecting, closing or in blocking write */
+        msg->err = ERR_INPROGRESS;
+      } else if (msg->conn->pcb.tcp != NULL) {
+        msg->conn->state = NETCONN_WRITE;
+        /* set all the variables used by do_writemore */
+        LWIP_ASSERT("already writing or closing", msg->conn->current_msg == NULL &&
+          msg->conn->write_offset == 0);
+        LWIP_ASSERT("msg->msg.w.len != 0", msg->msg.w.len != 0);
+        msg->conn->current_msg = msg;
+        msg->conn->write_offset = 0;
+#if LWIP_TCPIP_CORE_LOCKING
+        msg->conn->flags &= ~NETCONN_FLAG_WRITE_DELAYED;
+        if (do_writemore(msg->conn) != ERR_OK) {
+          LWIP_ASSERT("state!", msg->conn->state == NETCONN_WRITE);
+          UNLOCK_TCPIP_CORE();
+          sys_arch_sem_wait(&msg->conn->op_completed, 0);
+          LOCK_TCPIP_CORE();
+          LWIP_ASSERT("state!", msg->conn->state == NETCONN_NONE);
+        }
+#else /* LWIP_TCPIP_CORE_LOCKING */
+        do_writemore(msg->conn);
+#endif /* LWIP_TCPIP_CORE_LOCKING */
+        /* for both cases: if do_writemore was called, don't ACK the APIMSG
+           since do_writemore ACKs it! */
+        return;
+      } else {
+        msg->err = ERR_CONN;
+      }
+#else /* LWIP_TCP */
+      msg->err = ERR_VAL;
+#endif /* LWIP_TCP */
+#if (LWIP_UDP || LWIP_RAW)
+    } else {
+      msg->err = ERR_VAL;
+#endif /* (LWIP_UDP || LWIP_RAW) */
+    }
+  }
+  TCPIP_APIMSG_ACK(msg);
+}
+
+/**
+ * Return a connection's local or remote address
+ * Called from netconn_getaddr
+ *
+ * @param msg the api_msg_msg pointing to the connection
+ */
+void
+do_getaddr(struct api_msg_msg *msg)
+{
+  if (msg->conn->pcb.ip != NULL) {
+    *(msg->msg.ad.ipaddr) = (msg->msg.ad.local ? msg->conn->pcb.ip->local_ip :
+                             msg->conn->pcb.ip->remote_ip);
+
+    msg->err = ERR_OK;
+    switch (NETCONNTYPE_GROUP(msg->conn->type)) {
+#if LWIP_RAW
+    case NETCONN_RAW:
+      if (msg->msg.ad.local) {
+        *(msg->msg.ad.port) = msg->conn->pcb.raw->protocol;
+      } else {
+        /* return an error as connecting is only a helper for upper layers */
+        msg->err = ERR_CONN;
+      }
+      break;
+#endif /* LWIP_RAW */
+#if LWIP_UDP
+    case NETCONN_UDP:
+      if (msg->msg.ad.local) {
+        *(msg->msg.ad.port) = msg->conn->pcb.udp->local_port;
+      } else {
+        if ((msg->conn->pcb.udp->flags & UDP_FLAGS_CONNECTED) == 0) {
+          msg->err = ERR_CONN;
+        } else {
+          *(msg->msg.ad.port) = msg->conn->pcb.udp->remote_port;
+        }
+      }
+      break;
+#endif /* LWIP_UDP */
+#if LWIP_TCP
+    case NETCONN_TCP:
+      *(msg->msg.ad.port) = (msg->msg.ad.local?msg->conn->pcb.tcp->local_port:msg->conn->pcb.tcp->remote_port);
+      break;
+#endif /* LWIP_TCP */
+    default:
+      LWIP_ASSERT("invalid netconn_type", 0);
+      break;
+    }
+  } else {
+    msg->err = ERR_CONN;
+  }
+  TCPIP_APIMSG_ACK(msg);
+}
+
+/**
+ * Close a TCP pcb contained in a netconn
+ * Called from netconn_close
+ *
+ * @param msg the api_msg_msg pointing to the connection
+ */
+void
+do_close(struct api_msg_msg *msg)
+{
+#if LWIP_TCP
+  /* @todo: abort running write/connect? */
+  if ((msg->conn->state != NETCONN_NONE) && (msg->conn->state != NETCONN_LISTEN)) {
+    /* this only happens for TCP netconns */
+    LWIP_ASSERT("msg->conn->type == NETCONN_TCP", msg->conn->type == NETCONN_TCP);
+    msg->err = ERR_INPROGRESS;
+  } else if ((msg->conn->pcb.tcp != NULL) && (msg->conn->type == NETCONN_TCP)) {
+    if ((msg->msg.sd.shut != NETCONN_SHUT_RDWR) && (msg->conn->state == NETCONN_LISTEN)) {
+      /* LISTEN doesn't support half shutdown */
+      msg->err = ERR_CONN;
+    } else {
+      if (msg->msg.sd.shut & NETCONN_SHUT_RD) {
+        /* Drain and delete mboxes */
+        netconn_drain(msg->conn);
+      }
+      LWIP_ASSERT("already writing or closing", msg->conn->current_msg == NULL &&
+        msg->conn->write_offset == 0);
+      msg->conn->state = NETCONN_CLOSE;
+      msg->conn->current_msg = msg;
+      do_close_internal(msg->conn);
+      /* for tcp netconns, do_close_internal ACKs the message */
+      return;
+    }
+  } else
+#endif /* LWIP_TCP */
+  {
+    msg->err = ERR_VAL;
+  }
+  sys_sem_signal(&msg->conn->op_completed);
+}
+
+#if LWIP_IGMP
+/**
+ * Join multicast groups for UDP netconns.
+ * Called from netconn_join_leave_group
+ *
+ * @param msg the api_msg_msg pointing to the connection
+ */
+void
+do_join_leave_group(struct api_msg_msg *msg)
+{ 
+  if (ERR_IS_FATAL(msg->conn->last_err)) {
+    msg->err = msg->conn->last_err;
+  } else {
+    if (msg->conn->pcb.tcp != NULL) {
+      if (NETCONNTYPE_GROUP(msg->conn->type) == NETCONN_UDP) {
+#if LWIP_UDP
+        if (msg->msg.jl.join_or_leave == NETCONN_JOIN) {
+          msg->err = igmp_joingroup(msg->msg.jl.netif_addr, msg->msg.jl.multiaddr);
+        } else {
+          msg->err = igmp_leavegroup(msg->msg.jl.netif_addr, msg->msg.jl.multiaddr);
+        }
+#endif /* LWIP_UDP */
+#if (LWIP_TCP || LWIP_RAW)
+      } else {
+        msg->err = ERR_VAL;
+#endif /* (LWIP_TCP || LWIP_RAW) */
+      }
+    } else {
+      msg->err = ERR_CONN;
+    }
+  }
+  TCPIP_APIMSG_ACK(msg);
+}
+#endif /* LWIP_IGMP */
+
+#if LWIP_DNS
+/**
+ * Callback function that is called when DNS name is resolved
+ * (or on timeout). A waiting application thread is waked up by
+ * signaling the semaphore.
+ */
+static void
+do_dns_found(const char *name, ip_addr_t *ipaddr, void *arg)
+{
+  struct dns_api_msg *msg = (struct dns_api_msg*)arg;
+
+  LWIP_ASSERT("DNS response for wrong host name", strcmp(msg->name, name) == 0);
+  LWIP_UNUSED_ARG(name);
+
+  if (ipaddr == NULL) {
+    /* timeout or memory error */
+    *msg->err = ERR_VAL;
+  } else {
+    /* address was resolved */
+    *msg->err = ERR_OK;
+    *msg->addr = *ipaddr;
+  }
+  /* wake up the application task waiting in netconn_gethostbyname */
+  sys_sem_signal(msg->sem);
+}
+
+/**
+ * Execute a DNS query
+ * Called from netconn_gethostbyname
+ *
+ * @param arg the dns_api_msg pointing to the query
+ */
+void
+do_gethostbyname(void *arg)
+{
+  struct dns_api_msg *msg = (struct dns_api_msg*)arg;
+
+  *msg->err = dns_gethostbyname(msg->name, msg->addr, do_dns_found, msg);
+  if (*msg->err != ERR_INPROGRESS) {
+    /* on error or immediate success, wake up the application
+     * task waiting in netconn_gethostbyname */
+    sys_sem_signal(msg->sem);
+  }
+}
+#endif /* LWIP_DNS */
+
+#endif /* LWIP_NETCONN */
diff --git a/libraries/net/lwip/lwip/api/err.c b/libraries/net/lwip/lwip/api/err.c
new file mode 100644
index 0000000000..92fa8b7dba
--- /dev/null
+++ b/libraries/net/lwip/lwip/api/err.c
@@ -0,0 +1,75 @@
+/**
+ * @file
+ * Error Management module
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/err.h"
+
+#ifdef LWIP_DEBUG
+
+static const char *err_strerr[] = {
+           "Ok.",                    /* ERR_OK          0  */
+           "Out of memory error.",   /* ERR_MEM        -1  */
+           "Buffer error.",          /* ERR_BUF        -2  */
+           "Timeout.",               /* ERR_TIMEOUT    -3  */
+           "Routing problem.",       /* ERR_RTE        -4  */
+           "Operation in progress.", /* ERR_INPROGRESS -5  */
+           "Illegal value.",         /* ERR_VAL        -6  */
+           "Operation would block.", /* ERR_WOULDBLOCK -7  */
+           "Address in use.",        /* ERR_USE        -8  */
+           "Already connected.",     /* ERR_ISCONN     -9  */
+           "Connection aborted.",    /* ERR_ABRT       -10 */
+           "Connection reset.",      /* ERR_RST        -11 */
+           "Connection closed.",     /* ERR_CLSD       -12 */
+           "Not connected.",         /* ERR_CONN       -13 */
+           "Illegal argument.",      /* ERR_ARG        -14 */
+           "Low-level netif error.", /* ERR_IF         -15 */
+};
+
+/**
+ * Convert an lwip internal error to a string representation.
+ *
+ * @param err an lwip internal err_t
+ * @return a string representation for err
+ */
+const char *
+lwip_strerr(err_t err)
+{
+  return err_strerr[-err];
+
+}
+
+#endif /* LWIP_DEBUG */
diff --git a/libraries/net/lwip/lwip/api/netbuf.c b/libraries/net/lwip/lwip/api/netbuf.c
new file mode 100644
index 0000000000..9390c9ee98
--- /dev/null
+++ b/libraries/net/lwip/lwip/api/netbuf.c
@@ -0,0 +1,245 @@
+/**
+ * @file
+ * Network buffer management
+ *
+ */
+ 
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/netbuf.h"
+#include "lwip/memp.h"
+
+#include 
+
+/**
+ * Create (allocate) and initialize a new netbuf.
+ * The netbuf doesn't yet contain a packet buffer!
+ *
+ * @return a pointer to a new netbuf
+ *         NULL on lack of memory
+ */
+struct
+netbuf *netbuf_new(void)
+{
+  struct netbuf *buf;
+
+  buf = (struct netbuf *)memp_malloc(MEMP_NETBUF);
+  if (buf != NULL) {
+    buf->p = NULL;
+    buf->ptr = NULL;
+    ip_addr_set_any(&buf->addr);
+    buf->port = 0;
+#if LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY
+#if LWIP_CHECKSUM_ON_COPY
+    buf->flags = 0;
+#endif /* LWIP_CHECKSUM_ON_COPY */
+    buf->toport_chksum = 0;
+#if LWIP_NETBUF_RECVINFO
+    ip_addr_set_any(&buf->toaddr);
+#endif /* LWIP_NETBUF_RECVINFO */
+#endif /* LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY */
+    return buf;
+  } else {
+    return NULL;
+  }
+}
+
+/**
+ * Deallocate a netbuf allocated by netbuf_new().
+ *
+ * @param buf pointer to a netbuf allocated by netbuf_new()
+ */
+void
+netbuf_delete(struct netbuf *buf)
+{
+  if (buf != NULL) {
+    if (buf->p != NULL) {
+      pbuf_free(buf->p);
+      buf->p = buf->ptr = NULL;
+    }
+    memp_free(MEMP_NETBUF, buf);
+  }
+}
+
+/**
+ * Allocate memory for a packet buffer for a given netbuf.
+ *
+ * @param buf the netbuf for which to allocate a packet buffer
+ * @param size the size of the packet buffer to allocate
+ * @return pointer to the allocated memory
+ *         NULL if no memory could be allocated
+ */
+void *
+netbuf_alloc(struct netbuf *buf, u16_t size)
+{
+  LWIP_ERROR("netbuf_alloc: invalid buf", (buf != NULL), return NULL;);
+
+  /* Deallocate any previously allocated memory. */
+  if (buf->p != NULL) {
+    pbuf_free(buf->p);
+  }
+  buf->p = pbuf_alloc(PBUF_TRANSPORT, size, PBUF_RAM);
+  if (buf->p == NULL) {
+     return NULL;
+  }
+  LWIP_ASSERT("check that first pbuf can hold size",
+             (buf->p->len >= size));
+  buf->ptr = buf->p;
+  return buf->p->payload;
+}
+
+/**
+ * Free the packet buffer included in a netbuf
+ *
+ * @param buf pointer to the netbuf which contains the packet buffer to free
+ */
+void
+netbuf_free(struct netbuf *buf)
+{
+  LWIP_ERROR("netbuf_free: invalid buf", (buf != NULL), return;);
+  if (buf->p != NULL) {
+    pbuf_free(buf->p);
+  }
+  buf->p = buf->ptr = NULL;
+}
+
+/**
+ * Let a netbuf reference existing (non-volatile) data.
+ *
+ * @param buf netbuf which should reference the data
+ * @param dataptr pointer to the data to reference
+ * @param size size of the data
+ * @return ERR_OK if data is referenced
+ *         ERR_MEM if data couldn't be referenced due to lack of memory
+ */
+err_t
+netbuf_ref(struct netbuf *buf, const void *dataptr, u16_t size)
+{
+  LWIP_ERROR("netbuf_ref: invalid buf", (buf != NULL), return ERR_ARG;);
+  if (buf->p != NULL) {
+    pbuf_free(buf->p);
+  }
+  buf->p = pbuf_alloc(PBUF_TRANSPORT, 0, PBUF_REF);
+  if (buf->p == NULL) {
+    buf->ptr = NULL;
+    return ERR_MEM;
+  }
+  buf->p->payload = (void*)dataptr;
+  buf->p->len = buf->p->tot_len = size;
+  buf->ptr = buf->p;
+  return ERR_OK;
+}
+
+/**
+ * Chain one netbuf to another (@see pbuf_chain)
+ *
+ * @param head the first netbuf
+ * @param tail netbuf to chain after head, freed by this function, may not be reference after returning
+ */
+void
+netbuf_chain(struct netbuf *head, struct netbuf *tail)
+{
+  LWIP_ERROR("netbuf_ref: invalid head", (head != NULL), return;);
+  LWIP_ERROR("netbuf_chain: invalid tail", (tail != NULL), return;);
+  pbuf_cat(head->p, tail->p);
+  head->ptr = head->p;
+  memp_free(MEMP_NETBUF, tail);
+}
+
+/**
+ * Get the data pointer and length of the data inside a netbuf.
+ *
+ * @param buf netbuf to get the data from
+ * @param dataptr pointer to a void pointer where to store the data pointer
+ * @param len pointer to an u16_t where the length of the data is stored
+ * @return ERR_OK if the information was retreived,
+ *         ERR_BUF on error.
+ */
+err_t
+netbuf_data(struct netbuf *buf, void **dataptr, u16_t *len)
+{
+  LWIP_ERROR("netbuf_data: invalid buf", (buf != NULL), return ERR_ARG;);
+  LWIP_ERROR("netbuf_data: invalid dataptr", (dataptr != NULL), return ERR_ARG;);
+  LWIP_ERROR("netbuf_data: invalid len", (len != NULL), return ERR_ARG;);
+
+  if (buf->ptr == NULL) {
+    return ERR_BUF;
+  }
+  *dataptr = buf->ptr->payload;
+  *len = buf->ptr->len;
+  return ERR_OK;
+}
+
+/**
+ * Move the current data pointer of a packet buffer contained in a netbuf
+ * to the next part.
+ * The packet buffer itself is not modified.
+ *
+ * @param buf the netbuf to modify
+ * @return -1 if there is no next part
+ *         1  if moved to the next part but now there is no next part
+ *         0  if moved to the next part and there are still more parts
+ */
+s8_t
+netbuf_next(struct netbuf *buf)
+{
+  LWIP_ERROR("netbuf_free: invalid buf", (buf != NULL), return -1;);
+  if (buf->ptr->next == NULL) {
+    return -1;
+  }
+  buf->ptr = buf->ptr->next;
+  if (buf->ptr->next == NULL) {
+    return 1;
+  }
+  return 0;
+}
+
+/**
+ * Move the current data pointer of a packet buffer contained in a netbuf
+ * to the beginning of the packet.
+ * The packet buffer itself is not modified.
+ *
+ * @param buf the netbuf to modify
+ */
+void
+netbuf_first(struct netbuf *buf)
+{
+  LWIP_ERROR("netbuf_free: invalid buf", (buf != NULL), return;);
+  buf->ptr = buf->p;
+}
+
+#endif /* LWIP_NETCONN */
diff --git a/libraries/net/lwip/lwip/api/netdb.c b/libraries/net/lwip/lwip/api/netdb.c
new file mode 100644
index 0000000000..a7e4e06bca
--- /dev/null
+++ b/libraries/net/lwip/lwip/api/netdb.c
@@ -0,0 +1,352 @@
+/**
+ * @file
+ * API functions for name resolving
+ *
+ */
+
+/*
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Simon Goldschmidt
+ *
+ */
+
+#include "lwip/netdb.h"
+
+#if LWIP_DNS && LWIP_SOCKET
+
+#include "lwip/err.h"
+#include "lwip/mem.h"
+#include "lwip/memp.h"
+#include "lwip/ip_addr.h"
+#include "lwip/api.h"
+#include "lwip/dns.h"
+
+#include 
+#include 
+
+/** helper struct for gethostbyname_r to access the char* buffer */
+struct gethostbyname_r_helper {
+  ip_addr_t *addrs;
+  ip_addr_t addr;
+  char *aliases;
+};
+
+/** h_errno is exported in netdb.h for access by applications. */
+#if LWIP_DNS_API_DECLARE_H_ERRNO
+int h_errno;
+#endif /* LWIP_DNS_API_DECLARE_H_ERRNO */
+
+/** define "hostent" variables storage: 0 if we use a static (but unprotected)
+ * set of variables for lwip_gethostbyname, 1 if we use a local storage */
+#ifndef LWIP_DNS_API_HOSTENT_STORAGE
+#define LWIP_DNS_API_HOSTENT_STORAGE 0
+#endif
+
+/** define "hostent" variables storage */
+#if LWIP_DNS_API_HOSTENT_STORAGE
+#define HOSTENT_STORAGE
+#else
+#define HOSTENT_STORAGE static
+#endif /* LWIP_DNS_API_STATIC_HOSTENT */
+
+/**
+ * Returns an entry containing addresses of address family AF_INET
+ * for the host with name name.
+ * Due to dns_gethostbyname limitations, only one address is returned.
+ *
+ * @param name the hostname to resolve
+ * @return an entry containing addresses of address family AF_INET
+ *         for the host with name name
+ */
+struct hostent*
+lwip_gethostbyname(const char *name)
+{
+  err_t err;
+  ip_addr_t addr;
+
+  /* buffer variables for lwip_gethostbyname() */
+  HOSTENT_STORAGE struct hostent s_hostent;
+  HOSTENT_STORAGE char *s_aliases;
+  HOSTENT_STORAGE ip_addr_t s_hostent_addr;
+  HOSTENT_STORAGE ip_addr_t *s_phostent_addr[2];
+
+  /* query host IP address */
+  err = netconn_gethostbyname(name, &addr);
+  if (err != ERR_OK) {
+    LWIP_DEBUGF(DNS_DEBUG, ("lwip_gethostbyname(%s) failed, err=%d\n", name, err));
+    h_errno = HOST_NOT_FOUND;
+    return NULL;
+  }
+
+  /* fill hostent */
+  s_hostent_addr = addr;
+  s_phostent_addr[0] = &s_hostent_addr;
+  s_phostent_addr[1] = NULL;
+  s_hostent.h_name = (char*)name;
+  s_hostent.h_aliases = &s_aliases;
+  s_hostent.h_addrtype = AF_INET;
+  s_hostent.h_length = sizeof(ip_addr_t);
+  s_hostent.h_addr_list = (char**)&s_phostent_addr;
+
+#if DNS_DEBUG
+  /* dump hostent */
+  LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_name           == %s\n", s_hostent.h_name));
+  LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_aliases        == %p\n", s_hostent.h_aliases));
+  if (s_hostent.h_aliases != NULL) {
+    u8_t idx;
+    for ( idx=0; s_hostent.h_aliases[idx]; idx++) {
+      LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_aliases[%i]->   == %p\n", idx, s_hostent.h_aliases[idx]));
+      LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_aliases[%i]->   == %s\n", idx, s_hostent.h_aliases[idx]));
+    }
+  }
+  LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addrtype       == %d\n", s_hostent.h_addrtype));
+  LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_length         == %d\n", s_hostent.h_length));
+  LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addr_list      == %p\n", s_hostent.h_addr_list));
+  if (s_hostent.h_addr_list != NULL) {
+    u8_t idx;
+    for ( idx=0; s_hostent.h_addr_list[idx]; idx++) {
+      LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addr_list[%i]   == %p\n", idx, s_hostent.h_addr_list[idx]));
+      LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addr_list[%i]-> == %s\n", idx, ip_ntoa((ip_addr_t*)s_hostent.h_addr_list[idx])));
+    }
+  }
+#endif /* DNS_DEBUG */
+
+#if LWIP_DNS_API_HOSTENT_STORAGE
+  /* this function should return the "per-thread" hostent after copy from s_hostent */
+  return sys_thread_hostent(&s_hostent);
+#else
+  return &s_hostent;
+#endif /* LWIP_DNS_API_HOSTENT_STORAGE */
+}
+
+/**
+ * Thread-safe variant of lwip_gethostbyname: instead of using a static
+ * buffer, this function takes buffer and errno pointers as arguments
+ * and uses these for the result.
+ *
+ * @param name the hostname to resolve
+ * @param ret pre-allocated struct where to store the result
+ * @param buf pre-allocated buffer where to store additional data
+ * @param buflen the size of buf
+ * @param result pointer to a hostent pointer that is set to ret on success
+ *               and set to zero on error
+ * @param h_errnop pointer to an int where to store errors (instead of modifying
+ *                 the global h_errno)
+ * @return 0 on success, non-zero on error, additional error information
+ *         is stored in *h_errnop instead of h_errno to be thread-safe
+ */
+int
+lwip_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
+                size_t buflen, struct hostent **result, int *h_errnop)
+{
+  err_t err;
+  struct gethostbyname_r_helper *h;
+  char *hostname;
+  size_t namelen;
+  int lh_errno;
+
+  if (h_errnop == NULL) {
+    /* ensure h_errnop is never NULL */
+    h_errnop = &lh_errno;
+  }
+
+  if (result == NULL) {
+    /* not all arguments given */
+    *h_errnop = EINVAL;
+    return -1;
+  }
+  /* first thing to do: set *result to nothing */
+  *result = NULL;
+  if ((name == NULL) || (ret == NULL) || (buf == 0)) {
+    /* not all arguments given */
+    *h_errnop = EINVAL;
+    return -1;
+  }
+
+  namelen = strlen(name);
+  if (buflen < (sizeof(struct gethostbyname_r_helper) + namelen + 1 + (MEM_ALIGNMENT - 1))) {
+    /* buf can't hold the data needed + a copy of name */
+    *h_errnop = ERANGE;
+    return -1;
+  }
+
+  h = (struct gethostbyname_r_helper*)LWIP_MEM_ALIGN(buf);
+  hostname = ((char*)h) + sizeof(struct gethostbyname_r_helper);
+
+  /* query host IP address */
+  err = netconn_gethostbyname(name, &(h->addr));
+  if (err != ERR_OK) {
+    LWIP_DEBUGF(DNS_DEBUG, ("lwip_gethostbyname(%s) failed, err=%d\n", name, err));
+    *h_errnop = ENSRNOTFOUND;
+    return -1;
+  }
+
+  /* copy the hostname into buf */
+  MEMCPY(hostname, name, namelen);
+  hostname[namelen] = 0;
+
+  /* fill hostent */
+  h->addrs = &(h->addr);
+  h->aliases = NULL;
+  ret->h_name = (char*)hostname;
+  ret->h_aliases = &(h->aliases);
+  ret->h_addrtype = AF_INET;
+  ret->h_length = sizeof(ip_addr_t);
+  ret->h_addr_list = (char**)&(h->addrs);
+
+  /* set result != NULL */
+  *result = ret;
+
+  /* return success */
+  return 0;
+}
+
+/**
+ * Frees one or more addrinfo structures returned by getaddrinfo(), along with
+ * any additional storage associated with those structures. If the ai_next field
+ * of the structure is not null, the entire list of structures is freed.
+ *
+ * @param ai struct addrinfo to free
+ */
+void
+lwip_freeaddrinfo(struct addrinfo *ai)
+{
+  struct addrinfo *next;
+
+  while (ai != NULL) {
+    next = ai->ai_next;
+    memp_free(MEMP_NETDB, ai);
+    ai = next;
+  }
+}
+
+/**
+ * Translates the name of a service location (for example, a host name) and/or
+ * a service name and returns a set of socket addresses and associated
+ * information to be used in creating a socket with which to address the
+ * specified service.
+ * Memory for the result is allocated internally and must be freed by calling
+ * lwip_freeaddrinfo()!
+ *
+ * Due to a limitation in dns_gethostbyname, only the first address of a
+ * host is returned.
+ * Also, service names are not supported (only port numbers)!
+ *
+ * @param nodename descriptive name or address string of the host
+ *                 (may be NULL -> local address)
+ * @param servname port number as string of NULL 
+ * @param hints structure containing input values that set socktype and protocol
+ * @param res pointer to a pointer where to store the result (set to NULL on failure)
+ * @return 0 on success, non-zero on failure
+ */
+int
+lwip_getaddrinfo(const char *nodename, const char *servname,
+       const struct addrinfo *hints, struct addrinfo **res)
+{
+  err_t err;
+  ip_addr_t addr;
+  struct addrinfo *ai;
+  struct sockaddr_in *sa = NULL;
+  int port_nr = 0;
+  size_t total_size;
+  size_t namelen = 0;
+
+  if (res == NULL) {
+    return EAI_FAIL;
+  }
+  *res = NULL;
+  if ((nodename == NULL) && (servname == NULL)) {
+    return EAI_NONAME;
+  }
+
+  if (servname != NULL) {
+    /* service name specified: convert to port number
+     * @todo?: currently, only ASCII integers (port numbers) are supported! */
+    port_nr = atoi(servname);
+    if ((port_nr <= 0) || (port_nr > 0xffff)) {
+      return EAI_SERVICE;
+    }
+  }
+
+  if (nodename != NULL) {
+    /* service location specified, try to resolve */
+    err = netconn_gethostbyname(nodename, &addr);
+    if (err != ERR_OK) {
+      return EAI_FAIL;
+    }
+  } else {
+    /* service location specified, use loopback address */
+    ip_addr_set_loopback(&addr);
+  }
+
+  total_size = sizeof(struct addrinfo) + sizeof(struct sockaddr_in);
+  if (nodename != NULL) {
+    namelen = strlen(nodename);
+    LWIP_ASSERT("namelen is too long", (namelen + 1) <= (mem_size_t)-1);
+    total_size += namelen + 1;
+  }
+  /* If this fails, please report to lwip-devel! :-) */
+  LWIP_ASSERT("total_size <= NETDB_ELEM_SIZE: please report this!",
+    total_size <= NETDB_ELEM_SIZE);
+  ai = (struct addrinfo *)memp_malloc(MEMP_NETDB);
+  if (ai == NULL) {
+    goto memerr;
+  }
+  memset(ai, 0, total_size);
+  sa = (struct sockaddr_in*)((u8_t*)ai + sizeof(struct addrinfo));
+  /* set up sockaddr */
+  inet_addr_from_ipaddr(&sa->sin_addr, &addr);
+  sa->sin_family = AF_INET;
+  sa->sin_len = sizeof(struct sockaddr_in);
+  sa->sin_port = htons((u16_t)port_nr);
+
+  /* set up addrinfo */
+  ai->ai_family = AF_INET;
+  if (hints != NULL) {
+    /* copy socktype & protocol from hints if specified */
+    ai->ai_socktype = hints->ai_socktype;
+    ai->ai_protocol = hints->ai_protocol;
+  }
+  if (nodename != NULL) {
+    /* copy nodename to canonname if specified */
+    ai->ai_canonname = ((char*)ai + sizeof(struct addrinfo) + sizeof(struct sockaddr_in));
+    MEMCPY(ai->ai_canonname, nodename, namelen);
+    ai->ai_canonname[namelen] = 0;
+  }
+  ai->ai_addrlen = sizeof(struct sockaddr_in);
+  ai->ai_addr = (struct sockaddr*)sa;
+
+  *res = ai;
+
+  return 0;
+memerr:
+  if (ai != NULL) {
+    memp_free(MEMP_NETDB, ai);
+  }
+  return EAI_MEMORY;
+}
+
+#endif /* LWIP_DNS && LWIP_SOCKET */
diff --git a/libraries/net/lwip/lwip/api/netifapi.c b/libraries/net/lwip/lwip/api/netifapi.c
new file mode 100644
index 0000000000..43e47203a9
--- /dev/null
+++ b/libraries/net/lwip/lwip/api/netifapi.c
@@ -0,0 +1,160 @@
+/**
+ * @file
+ * Network Interface Sequential API module
+ *
+ */
+
+/*
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_NETIF_API /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/netifapi.h"
+#include "lwip/tcpip.h"
+
+/**
+ * Call netif_add() inside the tcpip_thread context.
+ */
+void
+do_netifapi_netif_add(struct netifapi_msg_msg *msg)
+{
+  if (!netif_add( msg->netif,
+                  msg->msg.add.ipaddr,
+                  msg->msg.add.netmask,
+                  msg->msg.add.gw,
+                  msg->msg.add.state,
+                  msg->msg.add.init,
+                  msg->msg.add.input)) {
+    msg->err = ERR_IF;
+  } else {
+    msg->err = ERR_OK;
+  }
+  TCPIP_NETIFAPI_ACK(msg);
+}
+
+/**
+ * Call netif_set_addr() inside the tcpip_thread context.
+ */
+void
+do_netifapi_netif_set_addr(struct netifapi_msg_msg *msg)
+{
+  netif_set_addr( msg->netif,
+                  msg->msg.add.ipaddr,
+                  msg->msg.add.netmask,
+                  msg->msg.add.gw);
+  msg->err = ERR_OK;
+  TCPIP_NETIFAPI_ACK(msg);
+}
+
+/**
+ * Call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) inside the
+ * tcpip_thread context.
+ */
+void
+do_netifapi_netif_common(struct netifapi_msg_msg *msg)
+{
+  if (msg->msg.common.errtfunc != NULL) {
+    msg->err = msg->msg.common.errtfunc(msg->netif);
+  } else {
+    msg->err = ERR_OK;
+    msg->msg.common.voidfunc(msg->netif);
+  }
+  TCPIP_NETIFAPI_ACK(msg);
+}
+
+/**
+ * Call netif_add() in a thread-safe way by running that function inside the
+ * tcpip_thread context.
+ *
+ * @note for params @see netif_add()
+ */
+err_t
+netifapi_netif_add(struct netif *netif,
+                   ip_addr_t *ipaddr,
+                   ip_addr_t *netmask,
+                   ip_addr_t *gw,
+                   void *state,
+                   netif_init_fn init,
+                   netif_input_fn input)
+{
+  struct netifapi_msg msg;
+  msg.function = do_netifapi_netif_add;
+  msg.msg.netif = netif;
+  msg.msg.msg.add.ipaddr  = ipaddr;
+  msg.msg.msg.add.netmask = netmask;
+  msg.msg.msg.add.gw      = gw;
+  msg.msg.msg.add.state   = state;
+  msg.msg.msg.add.init    = init;
+  msg.msg.msg.add.input   = input;
+  TCPIP_NETIFAPI(&msg);
+  return msg.msg.err;
+}
+
+/**
+ * Call netif_set_addr() in a thread-safe way by running that function inside the
+ * tcpip_thread context.
+ *
+ * @note for params @see netif_set_addr()
+ */
+err_t
+netifapi_netif_set_addr(struct netif *netif,
+                        ip_addr_t *ipaddr,
+                        ip_addr_t *netmask,
+                        ip_addr_t *gw)
+{
+  struct netifapi_msg msg;
+  msg.function = do_netifapi_netif_set_addr;
+  msg.msg.netif = netif;
+  msg.msg.msg.add.ipaddr  = ipaddr;
+  msg.msg.msg.add.netmask = netmask;
+  msg.msg.msg.add.gw      = gw;
+  TCPIP_NETIFAPI(&msg);
+  return msg.msg.err;
+}
+
+/**
+ * call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) in a thread-safe
+ * way by running that function inside the tcpip_thread context.
+ *
+ * @note use only for functions where there is only "netif" parameter.
+ */
+err_t
+netifapi_netif_common(struct netif *netif, netifapi_void_fn voidfunc,
+                       netifapi_errt_fn errtfunc)
+{
+  struct netifapi_msg msg;
+  msg.function = do_netifapi_netif_common;
+  msg.msg.netif = netif;
+  msg.msg.msg.common.voidfunc = voidfunc;
+  msg.msg.msg.common.errtfunc = errtfunc;
+  TCPIP_NETIFAPI(&msg);
+  return msg.msg.err;
+}
+
+#endif /* LWIP_NETIF_API */
diff --git a/libraries/net/lwip/lwip/api/sockets.c b/libraries/net/lwip/lwip/api/sockets.c
new file mode 100644
index 0000000000..e36012ce43
--- /dev/null
+++ b/libraries/net/lwip/lwip/api/sockets.c
@@ -0,0 +1,2347 @@
+/**
+ * @file
+ * Sockets BSD-Like API module
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *
+ * Improved by Marc Boucher  and David Haas 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/sockets.h"
+#include "lwip/api.h"
+#include "lwip/sys.h"
+#include "lwip/igmp.h"
+#include "lwip/inet.h"
+#include "lwip/tcp.h"
+#include "lwip/raw.h"
+#include "lwip/udp.h"
+#include "lwip/tcpip.h"
+#include "lwip/pbuf.h"
+#if LWIP_CHECKSUM_ON_COPY
+#include "lwip/inet_chksum.h"
+#endif
+
+#include 
+
+#define NUM_SOCKETS MEMP_NUM_NETCONN
+
+/** Contains all internal pointers and states used for a socket */
+struct lwip_sock {
+  /** sockets currently are built on netconns, each socket has one netconn */
+  struct netconn *conn;
+  /** data that was left from the previous read */
+  void *lastdata;
+  /** offset in the data that was left from the previous read */
+  u16_t lastoffset;
+  /** number of times data was received, set by event_callback(),
+      tested by the receive and select functions */
+  s16_t rcvevent;
+  /** number of times data was ACKed (free send buffer), set by event_callback(),
+      tested by select */
+  u16_t sendevent;
+  /** error happened for this socket, set by event_callback(), tested by select */
+  u16_t errevent; 
+  /** last error that occurred on this socket */
+  int err;
+  /** counter of how many threads are waiting for this socket using select */
+  int select_waiting;
+};
+
+/** Description for a task waiting in select */
+struct lwip_select_cb {
+  /** Pointer to the next waiting task */
+  struct lwip_select_cb *next;
+  /** Pointer to the previous waiting task */
+  struct lwip_select_cb *prev;
+  /** readset passed to select */
+  fd_set *readset;
+  /** writeset passed to select */
+  fd_set *writeset;
+  /** unimplemented: exceptset passed to select */
+  fd_set *exceptset;
+  /** don't signal the same semaphore twice: set to 1 when signalled */
+  int sem_signalled;
+  /** semaphore to wake up a task waiting for select */
+  sys_sem_t sem;
+};
+
+/** This struct is used to pass data to the set/getsockopt_internal
+ * functions running in tcpip_thread context (only a void* is allowed) */
+struct lwip_setgetsockopt_data {
+  /** socket struct for which to change options */
+  struct lwip_sock *sock;
+#ifdef LWIP_DEBUG
+  /** socket index for which to change options */
+  int s;
+#endif /* LWIP_DEBUG */
+  /** level of the option to process */
+  int level;
+  /** name of the option to process */
+  int optname;
+  /** set: value to set the option to
+    * get: value of the option is stored here */
+  void *optval;
+  /** size of *optval */
+  socklen_t *optlen;
+  /** if an error occures, it is temporarily stored here */
+  err_t err;
+};
+
+/** The global array of available sockets */
+static struct lwip_sock sockets[NUM_SOCKETS];
+/** The global list of tasks waiting for select */
+static struct lwip_select_cb *select_cb_list;
+/** This counter is increased from lwip_select when the list is chagned
+    and checked in event_callback to see if it has changed. */
+static volatile int select_cb_ctr;
+
+/** Table to quickly map an lwIP error (err_t) to a socket error
+  * by using -err as an index */
+static const int err_to_errno_table[] = {
+  0,             /* ERR_OK          0      No error, everything OK. */
+  ENOMEM,        /* ERR_MEM        -1      Out of memory error.     */
+  ENOBUFS,       /* ERR_BUF        -2      Buffer error.            */
+  EWOULDBLOCK,   /* ERR_TIMEOUT    -3      Timeout                  */
+  EHOSTUNREACH,  /* ERR_RTE        -4      Routing problem.         */
+  EINPROGRESS,   /* ERR_INPROGRESS -5      Operation in progress    */
+  EINVAL,        /* ERR_VAL        -6      Illegal value.           */
+  EWOULDBLOCK,   /* ERR_WOULDBLOCK -7      Operation would block.   */
+  EADDRINUSE,    /* ERR_USE        -8      Address in use.          */
+  EALREADY,      /* ERR_ISCONN     -9      Already connected.       */
+  ECONNABORTED,  /* ERR_ABRT       -10     Connection aborted.      */
+  ECONNRESET,    /* ERR_RST        -11     Connection reset.        */
+  ENOTCONN,      /* ERR_CLSD       -12     Connection closed.       */
+  ENOTCONN,      /* ERR_CONN       -13     Not connected.           */
+  EIO,           /* ERR_ARG        -14     Illegal argument.        */
+  -1,            /* ERR_IF         -15     Low-level netif error    */
+};
+
+#define ERR_TO_ERRNO_TABLE_SIZE \
+  (sizeof(err_to_errno_table)/sizeof(err_to_errno_table[0]))
+
+#define err_to_errno(err) \
+  ((unsigned)(-(err)) < ERR_TO_ERRNO_TABLE_SIZE ? \
+    err_to_errno_table[-(err)] : EIO)
+
+#ifdef ERRNO
+#ifndef set_errno
+#define set_errno(err) errno = (err)
+#endif
+#else /* ERRNO */
+#define set_errno(err)
+#endif /* ERRNO */
+
+#define sock_set_errno(sk, e) do { \
+  sk->err = (e); \
+  set_errno(sk->err); \
+} while (0)
+
+/* Forward delcaration of some functions */
+static void event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len);
+static void lwip_getsockopt_internal(void *arg);
+static void lwip_setsockopt_internal(void *arg);
+
+/**
+ * Initialize this module. This function has to be called before any other
+ * functions in this module!
+ */
+void
+lwip_socket_init(void)
+{
+}
+
+/**
+ * Map a externally used socket index to the internal socket representation.
+ *
+ * @param s externally used socket index
+ * @return struct lwip_sock for the socket or NULL if not found
+ */
+static struct lwip_sock *
+get_socket(int s)
+{
+  struct lwip_sock *sock;
+
+  if ((s < 0) || (s >= NUM_SOCKETS)) {
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("get_socket(%d): invalid\n", s));
+    set_errno(EBADF);
+    return NULL;
+  }
+
+  sock = &sockets[s];
+
+  if (!sock->conn) {
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("get_socket(%d): not active\n", s));
+    set_errno(EBADF);
+    return NULL;
+  }
+
+  return sock;
+}
+
+/**
+ * Same as get_socket but doesn't set errno
+ *
+ * @param s externally used socket index
+ * @return struct lwip_sock for the socket or NULL if not found
+ */
+static struct lwip_sock *
+tryget_socket(int s)
+{
+  if ((s < 0) || (s >= NUM_SOCKETS)) {
+    return NULL;
+  }
+  if (!sockets[s].conn) {
+    return NULL;
+  }
+  return &sockets[s];
+}
+
+/**
+ * Allocate a new socket for a given netconn.
+ *
+ * @param newconn the netconn for which to allocate a socket
+ * @param accepted 1 if socket has been created by accept(),
+ *                 0 if socket has been created by socket()
+ * @return the index of the new socket; -1 on error
+ */
+static int
+alloc_socket(struct netconn *newconn, int accepted)
+{
+  int i;
+  SYS_ARCH_DECL_PROTECT(lev);
+
+  /* allocate a new socket identifier */
+  for (i = 0; i < NUM_SOCKETS; ++i) {
+    /* Protect socket array */
+    SYS_ARCH_PROTECT(lev);
+    if (!sockets[i].conn) {
+      sockets[i].conn       = newconn;
+      /* The socket is not yet known to anyone, so no need to protect
+         after having marked it as used. */
+      SYS_ARCH_UNPROTECT(lev);
+      sockets[i].lastdata   = NULL;
+      sockets[i].lastoffset = 0;
+      sockets[i].rcvevent   = 0;
+      /* TCP sendbuf is empty, but the socket is not yet writable until connected
+       * (unless it has been created by accept()). */
+      sockets[i].sendevent  = (newconn->type == NETCONN_TCP ? (accepted != 0) : 1);
+      sockets[i].errevent   = 0;
+      sockets[i].err        = 0;
+      sockets[i].select_waiting = 0;
+      return i;
+    }
+    SYS_ARCH_UNPROTECT(lev);
+  }
+  return -1;
+}
+
+/** Free a socket. The socket's netconn must have been
+ * delete before!
+ *
+ * @param sock the socket to free
+ * @param is_tcp != 0 for TCP sockets, used to free lastdata
+ */
+static void
+free_socket(struct lwip_sock *sock, int is_tcp)
+{
+  void *lastdata;
+  SYS_ARCH_DECL_PROTECT(lev);
+
+  lastdata         = sock->lastdata;
+  sock->lastdata   = NULL;
+  sock->lastoffset = 0;
+  sock->err        = 0;
+
+  /* Protect socket array */
+  SYS_ARCH_PROTECT(lev);
+  sock->conn       = NULL;
+  SYS_ARCH_UNPROTECT(lev);
+  /* don't use 'sock' after this line, as another task might have allocated it */
+
+  if (lastdata != NULL) {
+    if (is_tcp) {
+      pbuf_free((struct pbuf *)lastdata);
+    } else {
+      netbuf_delete((struct netbuf *)lastdata);
+    }
+  }
+}
+
+/* Below this, the well-known socket functions are implemented.
+ * Use google.com or opengroup.org to get a good description :-)
+ *
+ * Exceptions are documented!
+ */
+
+int
+lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
+{
+  struct lwip_sock *sock, *nsock;
+  struct netconn *newconn;
+  ip_addr_t naddr;
+  u16_t port;
+  int newsock;
+  struct sockaddr_in sin;
+  err_t err;
+  SYS_ARCH_DECL_PROTECT(lev);
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d)...\n", s));
+  sock = get_socket(s);
+  if (!sock) {
+    return -1;
+  }
+
+  if (netconn_is_nonblocking(sock->conn) && (sock->rcvevent <= 0)) {
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d): returning EWOULDBLOCK\n", s));
+    sock_set_errno(sock, EWOULDBLOCK);
+    return -1;
+  }
+
+  /* wait for a new connection */
+  err = netconn_accept(sock->conn, &newconn);
+  if (err != ERR_OK) {
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d): netconn_acept failed, err=%d\n", s, err));
+    sock_set_errno(sock, err_to_errno(err));
+    return -1;
+  }
+  LWIP_ASSERT("newconn != NULL", newconn != NULL);
+  /* Prevent automatic window updates, we do this on our own! */
+  netconn_set_noautorecved(newconn, 1);
+
+  /* get the IP address and port of the remote host */
+  err = netconn_peer(newconn, &naddr, &port);
+  if (err != ERR_OK) {
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d): netconn_peer failed, err=%d\n", s, err));
+    netconn_delete(newconn);
+    sock_set_errno(sock, err_to_errno(err));
+    return -1;
+  }
+
+  /* Note that POSIX only requires us to check addr is non-NULL. addrlen must
+   * not be NULL if addr is valid.
+   */
+  if (NULL != addr) {
+    LWIP_ASSERT("addr valid but addrlen NULL", addrlen != NULL);
+    memset(&sin, 0, sizeof(sin));
+    sin.sin_len = sizeof(sin);
+    sin.sin_family = AF_INET;
+    sin.sin_port = htons(port);
+    inet_addr_from_ipaddr(&sin.sin_addr, &naddr);
+
+    if (*addrlen > sizeof(sin))
+      *addrlen = sizeof(sin);
+
+    MEMCPY(addr, &sin, *addrlen);
+  }
+
+  newsock = alloc_socket(newconn, 1);
+  if (newsock == -1) {
+    netconn_delete(newconn);
+    sock_set_errno(sock, ENFILE);
+    return -1;
+  }
+  LWIP_ASSERT("invalid socket index", (newsock >= 0) && (newsock < NUM_SOCKETS));
+  LWIP_ASSERT("newconn->callback == event_callback", newconn->callback == event_callback);
+  nsock = &sockets[newsock];
+
+  /* See event_callback: If data comes in right away after an accept, even
+   * though the server task might not have created a new socket yet.
+   * In that case, newconn->socket is counted down (newconn->socket--),
+   * so nsock->rcvevent is >= 1 here!
+   */
+  SYS_ARCH_PROTECT(lev);
+  nsock->rcvevent += (s16_t)(-1 - newconn->socket);
+  newconn->socket = newsock;
+  SYS_ARCH_UNPROTECT(lev);
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d) returning new sock=%d addr=", s, newsock));
+  ip_addr_debug_print(SOCKETS_DEBUG, &naddr);
+  LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F"\n", port));
+
+  sock_set_errno(sock, 0);
+  return newsock;
+}
+
+int
+lwip_bind(int s, const struct sockaddr *name, socklen_t namelen)
+{
+  struct lwip_sock *sock;
+  ip_addr_t local_addr;
+  u16_t local_port;
+  err_t err;
+  const struct sockaddr_in *name_in;
+
+  sock = get_socket(s);
+  if (!sock) {
+    return -1;
+  }
+
+  /* check size, familiy and alignment of 'name' */
+  LWIP_ERROR("lwip_bind: invalid address", ((namelen == sizeof(struct sockaddr_in)) &&
+             ((name->sa_family) == AF_INET) && ((((mem_ptr_t)name) % 4) == 0)),
+             sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;);
+  name_in = (const struct sockaddr_in *)(void*)name;
+
+  inet_addr_to_ipaddr(&local_addr, &name_in->sin_addr);
+  local_port = name_in->sin_port;
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d, addr=", s));
+  ip_addr_debug_print(SOCKETS_DEBUG, &local_addr);
+  LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F")\n", ntohs(local_port)));
+
+  err = netconn_bind(sock->conn, &local_addr, ntohs(local_port));
+
+  if (err != ERR_OK) {
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d) failed, err=%d\n", s, err));
+    sock_set_errno(sock, err_to_errno(err));
+    return -1;
+  }
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_bind(%d) succeeded\n", s));
+  sock_set_errno(sock, 0);
+  return 0;
+}
+
+int
+lwip_close(int s)
+{
+  struct lwip_sock *sock;
+  int is_tcp = 0;
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_close(%d)\n", s));
+
+  sock = get_socket(s);
+  if (!sock) {
+    return -1;
+  }
+
+  if(sock->conn != NULL) {
+    is_tcp = netconn_type(sock->conn) == NETCONN_TCP;
+  } else {
+    LWIP_ASSERT("sock->lastdata == NULL", sock->lastdata == NULL);
+  }
+
+  netconn_delete(sock->conn);
+
+  free_socket(sock, is_tcp);
+  set_errno(0);
+  return 0;
+}
+
+int
+lwip_connect(int s, const struct sockaddr *name, socklen_t namelen)
+{
+  struct lwip_sock *sock;
+  err_t err;
+  const struct sockaddr_in *name_in;
+
+  sock = get_socket(s);
+  if (!sock) {
+    return -1;
+  }
+
+  /* check size, familiy and alignment of 'name' */
+  LWIP_ERROR("lwip_connect: invalid address", ((namelen == sizeof(struct sockaddr_in)) &&
+             ((name->sa_family) == AF_INET) && ((((mem_ptr_t)name) % 4) == 0)),
+             sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;);
+  name_in = (const struct sockaddr_in *)(void*)name;
+
+  if (name_in->sin_family == AF_UNSPEC) {
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d, AF_UNSPEC)\n", s));
+    err = netconn_disconnect(sock->conn);
+  } else {
+    ip_addr_t remote_addr;
+    u16_t remote_port;
+
+    inet_addr_to_ipaddr(&remote_addr, &name_in->sin_addr);
+    remote_port = name_in->sin_port;
+
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d, addr=", s));
+    ip_addr_debug_print(SOCKETS_DEBUG, &remote_addr);
+    LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F")\n", ntohs(remote_port)));
+
+    err = netconn_connect(sock->conn, &remote_addr, ntohs(remote_port));
+  }
+
+  if (err != ERR_OK) {
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d) failed, err=%d\n", s, err));
+    sock_set_errno(sock, err_to_errno(err));
+    return -1;
+  }
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_connect(%d) succeeded\n", s));
+  sock_set_errno(sock, 0);
+  return 0;
+}
+
+/**
+ * Set a socket into listen mode.
+ * The socket may not have been used for another connection previously.
+ *
+ * @param s the socket to set to listening mode
+ * @param backlog (ATTENTION: needs TCP_LISTEN_BACKLOG=1)
+ * @return 0 on success, non-zero on failure
+ */
+int
+lwip_listen(int s, int backlog)
+{
+  struct lwip_sock *sock;
+  err_t err;
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_listen(%d, backlog=%d)\n", s, backlog));
+
+  sock = get_socket(s);
+  if (!sock) {
+    return -1;
+  }
+
+  /* limit the "backlog" parameter to fit in an u8_t */
+  backlog = LWIP_MIN(LWIP_MAX(backlog, 0), 0xff);
+
+  err = netconn_listen_with_backlog(sock->conn, (u8_t)backlog);
+
+  if (err != ERR_OK) {
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_listen(%d) failed, err=%d\n", s, err));
+    sock_set_errno(sock, err_to_errno(err));
+    return -1;
+  }
+
+  sock_set_errno(sock, 0);
+  return 0;
+}
+
+int
+lwip_recvfrom(int s, void *mem, size_t len, int flags,
+        struct sockaddr *from, socklen_t *fromlen)
+{
+  struct lwip_sock *sock;
+  void             *buf = NULL;
+  struct pbuf      *p;
+  u16_t            buflen, copylen;
+  int              off = 0;
+  ip_addr_t        *addr;
+  u16_t            port;
+  u8_t             done = 0;
+  err_t            err;
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d, %p, %"SZT_F", 0x%x, ..)\n", s, mem, len, flags));
+  sock = get_socket(s);
+  if (!sock) {
+    return -1;
+  }
+
+  do {
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: top while sock->lastdata=%p\n", sock->lastdata));
+    /* Check if there is data left from the last recv operation. */
+    if (sock->lastdata) {
+      buf = sock->lastdata;
+    } else {
+      /* If this is non-blocking call, then check first */
+      if (((flags & MSG_DONTWAIT) || netconn_is_nonblocking(sock->conn)) && 
+          (sock->rcvevent <= 0)) {
+        if (off > 0) {
+          /* update receive window */
+          netconn_recved(sock->conn, (u32_t)off);
+          /* already received data, return that */
+          sock_set_errno(sock, 0);
+          return off;
+        }
+        LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): returning EWOULDBLOCK\n", s));
+        sock_set_errno(sock, EWOULDBLOCK);
+        return -1;
+      }
+
+      /* No data was left from the previous operation, so we try to get
+         some from the network. */
+      if (netconn_type(sock->conn) == NETCONN_TCP) {
+        err = netconn_recv_tcp_pbuf(sock->conn, (struct pbuf **)&buf);
+      } else {
+        err = netconn_recv(sock->conn, (struct netbuf **)&buf);
+      }
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: netconn_recv err=%d, netbuf=%p\n",
+        err, buf));
+
+      if (err != ERR_OK) {
+        if (off > 0) {
+          /* update receive window */
+          netconn_recved(sock->conn, (u32_t)off);
+          /* already received data, return that */
+          sock_set_errno(sock, 0);
+          return off;
+        }
+        /* We should really do some error checking here. */
+        LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): buf == NULL, error is \"%s\"!\n",
+          s, lwip_strerr(err)));
+        sock_set_errno(sock, err_to_errno(err));
+        if (err == ERR_CLSD) {
+          return 0;
+        } else {
+          return -1;
+        }
+      }
+      LWIP_ASSERT("buf != NULL", buf != NULL);
+      sock->lastdata = buf;
+    }
+
+    if (netconn_type(sock->conn) == NETCONN_TCP) {
+      p = (struct pbuf *)buf;
+    } else {
+      p = ((struct netbuf *)buf)->p;
+    }
+    buflen = p->tot_len;
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: buflen=%"U16_F" len=%"SZT_F" off=%d sock->lastoffset=%"U16_F"\n",
+      buflen, len, off, sock->lastoffset));
+
+    buflen -= sock->lastoffset;
+
+    if (len > buflen) {
+      copylen = buflen;
+    } else {
+      copylen = (u16_t)len;
+    }
+
+    /* copy the contents of the received buffer into
+    the supplied memory pointer mem */
+    pbuf_copy_partial(p, (u8_t*)mem + off, copylen, sock->lastoffset);
+
+    off += copylen;
+
+    if (netconn_type(sock->conn) == NETCONN_TCP) {
+      LWIP_ASSERT("invalid copylen, len would underflow", len >= copylen);
+      len -= copylen;
+      if ( (len <= 0) || 
+           (p->flags & PBUF_FLAG_PUSH) || 
+           (sock->rcvevent <= 0) || 
+           ((flags & MSG_PEEK)!=0)) {
+        done = 1;
+      }
+    } else {
+      done = 1;
+    }
+
+    /* Check to see from where the data was.*/
+    if (done) {
+      ip_addr_t fromaddr;
+      if (from && fromlen) {
+        struct sockaddr_in sin;
+
+        if (netconn_type(sock->conn) == NETCONN_TCP) {
+          addr = &fromaddr;
+          netconn_getaddr(sock->conn, addr, &port, 0);
+        } else {
+          addr = netbuf_fromaddr((struct netbuf *)buf);
+          port = netbuf_fromport((struct netbuf *)buf);
+        }
+
+        memset(&sin, 0, sizeof(sin));
+        sin.sin_len = sizeof(sin);
+        sin.sin_family = AF_INET;
+        sin.sin_port = htons(port);
+        inet_addr_from_ipaddr(&sin.sin_addr, addr);
+
+        if (*fromlen > sizeof(sin)) {
+          *fromlen = sizeof(sin);
+        }
+
+        MEMCPY(from, &sin, *fromlen);
+
+        LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): addr=", s));
+        ip_addr_debug_print(SOCKETS_DEBUG, addr);
+        LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F" len=%d\n", port, off));
+      } else {
+#if SOCKETS_DEBUG
+        if (netconn_type(sock->conn) == NETCONN_TCP) {
+          addr = &fromaddr;
+          netconn_getaddr(sock->conn, addr, &port, 0);
+        } else {
+          addr = netbuf_fromaddr((struct netbuf *)buf);
+          port = netbuf_fromport((struct netbuf *)buf);
+        }
+
+        LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): addr=", s));
+        ip_addr_debug_print(SOCKETS_DEBUG, addr);
+        LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F" len=%d\n", port, off));
+#endif /*  SOCKETS_DEBUG */
+      }
+    }
+
+    /* If we don't peek the incoming message... */
+    if ((flags & MSG_PEEK) == 0) {
+      /* If this is a TCP socket, check if there is data left in the
+         buffer. If so, it should be saved in the sock structure for next
+         time around. */
+      if ((netconn_type(sock->conn) == NETCONN_TCP) && (buflen - copylen > 0)) {
+        sock->lastdata = buf;
+        sock->lastoffset += copylen;
+        LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: lastdata now netbuf=%p\n", buf));
+      } else {
+        sock->lastdata = NULL;
+        sock->lastoffset = 0;
+        LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: deleting netbuf=%p\n", buf));
+        if (netconn_type(sock->conn) == NETCONN_TCP) {
+          pbuf_free((struct pbuf *)buf);
+        } else {
+          netbuf_delete((struct netbuf *)buf);
+        }
+      }
+    }
+  } while (!done);
+
+  if (off > 0) {
+    /* update receive window */
+    netconn_recved(sock->conn, (u32_t)off);
+  }
+  sock_set_errno(sock, 0);
+  return off;
+}
+
+int
+lwip_read(int s, void *mem, size_t len)
+{
+  return lwip_recvfrom(s, mem, len, 0, NULL, NULL);
+}
+
+int
+lwip_recv(int s, void *mem, size_t len, int flags)
+{
+  return lwip_recvfrom(s, mem, len, flags, NULL, NULL);
+}
+
+int
+lwip_send(int s, const void *data, size_t size, int flags)
+{
+  struct lwip_sock *sock;
+  err_t err;
+  u8_t write_flags;
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d, data=%p, size=%"SZT_F", flags=0x%x)\n",
+                              s, data, size, flags));
+
+  sock = get_socket(s);
+  if (!sock) {
+    return -1;
+  }
+
+  if (sock->conn->type != NETCONN_TCP) {
+#if (LWIP_UDP || LWIP_RAW)
+    return lwip_sendto(s, data, size, flags, NULL, 0);
+#else /* (LWIP_UDP || LWIP_RAW) */
+    sock_set_errno(sock, err_to_errno(ERR_ARG));
+    return -1;
+#endif /* (LWIP_UDP || LWIP_RAW) */
+  }
+
+  if ((flags & MSG_DONTWAIT) || netconn_is_nonblocking(sock->conn)) {
+    if ((size > TCP_SND_BUF) || ((size / TCP_MSS) > TCP_SND_QUEUELEN)) {
+      /* too much data to ever send nonblocking! */
+      sock_set_errno(sock, EMSGSIZE);
+      return -1;
+    }
+  }
+
+  write_flags = NETCONN_COPY |
+    ((flags & MSG_MORE)     ? NETCONN_MORE      : 0) |
+    ((flags & MSG_DONTWAIT) ? NETCONN_DONTBLOCK : 0);
+  err = netconn_write(sock->conn, data, size, write_flags);
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_send(%d) err=%d size=%"SZT_F"\n", s, err, size));
+  sock_set_errno(sock, err_to_errno(err));
+  return (err == ERR_OK ? (int)size : -1);
+}
+
+int
+lwip_sendto(int s, const void *data, size_t size, int flags,
+       const struct sockaddr *to, socklen_t tolen)
+{
+  struct lwip_sock *sock;
+  err_t err;
+  u16_t short_size;
+  const struct sockaddr_in *to_in;
+  u16_t remote_port;
+#if !LWIP_TCPIP_CORE_LOCKING
+  struct netbuf buf;
+#endif
+
+  sock = get_socket(s);
+  if (!sock) {
+    return -1;
+  }
+
+  if (sock->conn->type == NETCONN_TCP) {
+#if LWIP_TCP
+    return lwip_send(s, data, size, flags);
+#else /* LWIP_TCP */
+    LWIP_UNUSED_ARG(flags);
+    sock_set_errno(sock, err_to_errno(ERR_ARG));
+    return -1;
+#endif /* LWIP_TCP */
+  }
+
+  /* @todo: split into multiple sendto's? */
+  LWIP_ASSERT("lwip_sendto: size must fit in u16_t", size <= 0xffff);
+  short_size = (u16_t)size;
+  LWIP_ERROR("lwip_sendto: invalid address", (((to == NULL) && (tolen == 0)) ||
+             ((tolen == sizeof(struct sockaddr_in)) &&
+             ((to->sa_family) == AF_INET) && ((((mem_ptr_t)to) % 4) == 0))),
+             sock_set_errno(sock, err_to_errno(ERR_ARG)); return -1;);
+  to_in = (const struct sockaddr_in *)(void*)to;
+
+#if LWIP_TCPIP_CORE_LOCKING
+  /* Should only be consider like a sample or a simple way to experiment this option (no check of "to" field...) */
+  {
+    struct pbuf* p;
+    ip_addr_t *remote_addr;
+
+#if LWIP_NETIF_TX_SINGLE_PBUF
+    p = pbuf_alloc(PBUF_TRANSPORT, short_size, PBUF_RAM);
+    if (p != NULL) {
+#if LWIP_CHECKSUM_ON_COPY
+      u16_t chksum = 0;
+      if (sock->conn->type != NETCONN_RAW) {
+        chksum = LWIP_CHKSUM_COPY(p->payload, data, short_size);
+      } else
+#endif /* LWIP_CHECKSUM_ON_COPY */
+      MEMCPY(p->payload, data, size);
+#else /* LWIP_NETIF_TX_SINGLE_PBUF */
+    p = pbuf_alloc(PBUF_TRANSPORT, short_size, PBUF_REF);
+    if (p != NULL) {
+      p->payload = (void*)data;
+#endif /* LWIP_NETIF_TX_SINGLE_PBUF */
+
+      if (to_in != NULL) {
+        inet_addr_to_ipaddr_p(remote_addr, &to_in->sin_addr);
+        remote_port = ntohs(to_in->sin_port);
+      } else {
+        remote_addr = &sock->conn->pcb.raw->remote_ip;
+        if (sock->conn->type == NETCONN_RAW) {
+          remote_port = 0;
+        } else {
+          remote_port = sock->conn->pcb.udp->remote_port;
+        }
+      }
+
+      LOCK_TCPIP_CORE();
+      if (sock->conn->type == NETCONN_RAW) {
+        err = sock->conn->last_err = raw_sendto(sock->conn->pcb.raw, p, remote_addr);
+      } else {
+#if LWIP_UDP
+#if LWIP_CHECKSUM_ON_COPY && LWIP_NETIF_TX_SINGLE_PBUF
+        err = sock->conn->last_err = udp_sendto_chksum(sock->conn->pcb.udp, p,
+          remote_addr, remote_port, 1, chksum);
+#else /* LWIP_CHECKSUM_ON_COPY && LWIP_NETIF_TX_SINGLE_PBUF */
+        err = sock->conn->last_err = udp_sendto(sock->conn->pcb.udp, p,
+          remote_addr, remote_port);
+#endif /* LWIP_CHECKSUM_ON_COPY && LWIP_NETIF_TX_SINGLE_PBUF */
+#else /* LWIP_UDP */
+        err = ERR_ARG;
+#endif /* LWIP_UDP */
+      }
+      UNLOCK_TCPIP_CORE();
+      
+      pbuf_free(p);
+    } else {
+      err = ERR_MEM;
+    }
+  }
+#else /* LWIP_TCPIP_CORE_LOCKING */
+  /* initialize a buffer */
+  buf.p = buf.ptr = NULL;
+#if LWIP_CHECKSUM_ON_COPY
+  buf.flags = 0;
+#endif /* LWIP_CHECKSUM_ON_COPY */
+  if (to) {
+    inet_addr_to_ipaddr(&buf.addr, &to_in->sin_addr);
+    remote_port           = ntohs(to_in->sin_port);
+    netbuf_fromport(&buf) = remote_port;
+  } else {
+    remote_port           = 0;
+    ip_addr_set_any(&buf.addr);
+    netbuf_fromport(&buf) = 0;
+  }
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_sendto(%d, data=%p, short_size=%"U16_F", flags=0x%x to=",
+              s, data, short_size, flags));
+  ip_addr_debug_print(SOCKETS_DEBUG, &buf.addr);
+  LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F"\n", remote_port));
+
+  /* make the buffer point to the data that should be sent */
+#if LWIP_NETIF_TX_SINGLE_PBUF
+  /* Allocate a new netbuf and copy the data into it. */
+  if (netbuf_alloc(&buf, short_size) == NULL) {
+    err = ERR_MEM;
+  } else {
+#if LWIP_CHECKSUM_ON_COPY
+    if (sock->conn->type != NETCONN_RAW) {
+      u16_t chksum = LWIP_CHKSUM_COPY(buf.p->payload, data, short_size);
+      netbuf_set_chksum(&buf, chksum);
+      err = ERR_OK;
+    } else
+#endif /* LWIP_CHECKSUM_ON_COPY */
+    {
+      err = netbuf_take(&buf, data, short_size);
+    }
+  }
+#else /* LWIP_NETIF_TX_SINGLE_PBUF */
+  err = netbuf_ref(&buf, data, short_size);
+#endif /* LWIP_NETIF_TX_SINGLE_PBUF */
+  if (err == ERR_OK) {
+    /* send the data */
+    err = netconn_send(sock->conn, &buf);
+  }
+
+  /* deallocated the buffer */
+  netbuf_free(&buf);
+#endif /* LWIP_TCPIP_CORE_LOCKING */
+  sock_set_errno(sock, err_to_errno(err));
+  return (err == ERR_OK ? short_size : -1);
+}
+
+int
+lwip_socket(int domain, int type, int protocol)
+{
+  struct netconn *conn;
+  int i;
+
+  LWIP_UNUSED_ARG(domain);
+
+  /* create a netconn */
+  switch (type) {
+  case SOCK_RAW:
+    conn = netconn_new_with_proto_and_callback(NETCONN_RAW, (u8_t)protocol, event_callback);
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_RAW, %d) = ",
+                                 domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol));
+    break;
+  case SOCK_DGRAM:
+    conn = netconn_new_with_callback( (protocol == IPPROTO_UDPLITE) ?
+                 NETCONN_UDPLITE : NETCONN_UDP, event_callback);
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_DGRAM, %d) = ",
+                                 domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol));
+    break;
+  case SOCK_STREAM:
+    conn = netconn_new_with_callback(NETCONN_TCP, event_callback);
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%s, SOCK_STREAM, %d) = ",
+                                 domain == PF_INET ? "PF_INET" : "UNKNOWN", protocol));
+    if (conn != NULL) {
+      /* Prevent automatic window updates, we do this on our own! */
+      netconn_set_noautorecved(conn, 1);
+    }
+    break;
+  default:
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_socket(%d, %d/UNKNOWN, %d) = -1\n",
+                                 domain, type, protocol));
+    set_errno(EINVAL);
+    return -1;
+  }
+
+  if (!conn) {
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("-1 / ENOBUFS (could not create netconn)\n"));
+    set_errno(ENOBUFS);
+    return -1;
+  }
+
+  i = alloc_socket(conn, 0);
+
+  if (i == -1) {
+    netconn_delete(conn);
+    set_errno(ENFILE);
+    return -1;
+  }
+  conn->socket = i;
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("%d\n", i));
+  set_errno(0);
+  return i;
+}
+
+int
+lwip_write(int s, const void *data, size_t size)
+{
+  return lwip_send(s, data, size, 0);
+}
+
+/**
+ * Go through the readset and writeset lists and see which socket of the sockets
+ * set in the sets has events. On return, readset, writeset and exceptset have
+ * the sockets enabled that had events.
+ *
+ * exceptset is not used for now!!!
+ *
+ * @param maxfdp1 the highest socket index in the sets
+ * @param readset_in:    set of sockets to check for read events
+ * @param writeset_in:   set of sockets to check for write events
+ * @param exceptset_in:  set of sockets to check for error events
+ * @param readset_out:   set of sockets that had read events
+ * @param writeset_out:  set of sockets that had write events
+ * @param exceptset_out: set os sockets that had error events
+ * @return number of sockets that had events (read/write/exception) (>= 0)
+ */
+static int
+lwip_selscan(int maxfdp1, fd_set *readset_in, fd_set *writeset_in, fd_set *exceptset_in,
+             fd_set *readset_out, fd_set *writeset_out, fd_set *exceptset_out)
+{
+  int i, nready = 0;
+  fd_set lreadset, lwriteset, lexceptset;
+  struct lwip_sock *sock;
+  SYS_ARCH_DECL_PROTECT(lev);
+
+  FD_ZERO(&lreadset);
+  FD_ZERO(&lwriteset);
+  FD_ZERO(&lexceptset);
+
+  /* Go through each socket in each list to count number of sockets which
+     currently match */
+  for(i = 0; i < maxfdp1; i++) {
+    void* lastdata = NULL;
+    s16_t rcvevent = 0;
+    u16_t sendevent = 0;
+    u16_t errevent = 0;
+    /* First get the socket's status (protected)... */
+    SYS_ARCH_PROTECT(lev);
+    sock = tryget_socket(i);
+    if (sock != NULL) {
+      lastdata = sock->lastdata;
+      rcvevent = sock->rcvevent;
+      sendevent = sock->sendevent;
+      errevent = sock->errevent;
+    }
+    SYS_ARCH_UNPROTECT(lev);
+    /* ... then examine it: */
+    /* See if netconn of this socket is ready for read */
+    if (readset_in && FD_ISSET(i, readset_in) && ((lastdata != NULL) || (rcvevent > 0))) {
+      FD_SET(i, &lreadset);
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for reading\n", i));
+      nready++;
+    }
+    /* See if netconn of this socket is ready for write */
+    if (writeset_in && FD_ISSET(i, writeset_in) && (sendevent != 0)) {
+      FD_SET(i, &lwriteset);
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for writing\n", i));
+      nready++;
+    }
+    /* See if netconn of this socket had an error */
+    if (exceptset_in && FD_ISSET(i, exceptset_in) && (errevent != 0)) {
+      FD_SET(i, &lexceptset);
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for exception\n", i));
+      nready++;
+    }
+  }
+  /* copy local sets to the ones provided as arguments */
+  *readset_out = lreadset;
+  *writeset_out = lwriteset;
+  *exceptset_out = lexceptset;
+
+  LWIP_ASSERT("nready >= 0", nready >= 0);
+  return nready;
+}
+
+/**
+ * Processing exceptset is not yet implemented.
+ */
+int
+lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
+            struct timeval *timeout)
+{
+  u32_t waitres = 0;
+  int nready;
+  fd_set lreadset, lwriteset, lexceptset;
+  u32_t msectimeout;
+  struct lwip_select_cb select_cb;
+  err_t err;
+  int i;
+  SYS_ARCH_DECL_PROTECT(lev);
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select(%d, %p, %p, %p, tvsec=%"S32_F" tvusec=%"S32_F")\n",
+                  maxfdp1, (void *)readset, (void *) writeset, (void *) exceptset,
+                  timeout ? (s32_t)timeout->tv_sec : (s32_t)-1,
+                  timeout ? (s32_t)timeout->tv_usec : (s32_t)-1));
+
+  /* Go through each socket in each list to count number of sockets which
+     currently match */
+  nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset);
+
+  /* If we don't have any current events, then suspend if we are supposed to */
+  if (!nready) {
+    if (timeout && timeout->tv_sec == 0 && timeout->tv_usec == 0) {
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: no timeout, returning 0\n"));
+      /* This is OK as the local fdsets are empty and nready is zero,
+         or we would have returned earlier. */
+      goto return_copy_fdsets;
+    }
+
+    /* None ready: add our semaphore to list:
+       We don't actually need any dynamic memory. Our entry on the
+       list is only valid while we are in this function, so it's ok
+       to use local variables. */
+
+    select_cb.next = NULL;
+    select_cb.prev = NULL;
+    select_cb.readset = readset;
+    select_cb.writeset = writeset;
+    select_cb.exceptset = exceptset;
+    select_cb.sem_signalled = 0;
+    err = sys_sem_new(&select_cb.sem, 0);
+    if (err != ERR_OK) {
+      /* failed to create semaphore */
+      set_errno(ENOMEM);
+      return -1;
+    }
+
+    /* Protect the select_cb_list */
+    SYS_ARCH_PROTECT(lev);
+
+    /* Put this select_cb on top of list */
+    select_cb.next = select_cb_list;
+    if (select_cb_list != NULL) {
+      select_cb_list->prev = &select_cb;
+    }
+    select_cb_list = &select_cb;
+    /* Increasing this counter tells even_callback that the list has changed. */
+    select_cb_ctr++;
+
+    /* Now we can safely unprotect */
+    SYS_ARCH_UNPROTECT(lev);
+
+    /* Increase select_waiting for each socket we are interested in */
+    for(i = 0; i < maxfdp1; i++) {
+      if ((readset && FD_ISSET(i, readset)) ||
+          (writeset && FD_ISSET(i, writeset)) ||
+          (exceptset && FD_ISSET(i, exceptset))) {
+        struct lwip_sock *sock = tryget_socket(i);
+        LWIP_ASSERT("sock != NULL", sock != NULL);
+        SYS_ARCH_PROTECT(lev);
+        sock->select_waiting++;
+        LWIP_ASSERT("sock->select_waiting > 0", sock->select_waiting > 0);
+        SYS_ARCH_UNPROTECT(lev);
+      }
+    }
+
+    /* Call lwip_selscan again: there could have been events between
+       the last scan (whithout us on the list) and putting us on the list! */
+    nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset);
+    if (!nready) {
+      /* Still none ready, just wait to be woken */
+      if (timeout == 0) {
+        /* Wait forever */
+        msectimeout = 0;
+      } else {
+        msectimeout =  ((timeout->tv_sec * 1000) + ((timeout->tv_usec + 500)/1000));
+        if (msectimeout == 0) {
+          /* Wait 1ms at least (0 means wait forever) */
+          msectimeout = 1;
+        }
+      }
+
+      waitres = sys_arch_sem_wait(&select_cb.sem, msectimeout);
+    }
+    /* Increase select_waiting for each socket we are interested in */
+    for(i = 0; i < maxfdp1; i++) {
+      if ((readset && FD_ISSET(i, readset)) ||
+          (writeset && FD_ISSET(i, writeset)) ||
+          (exceptset && FD_ISSET(i, exceptset))) {
+        struct lwip_sock *sock = tryget_socket(i);
+        LWIP_ASSERT("sock != NULL", sock != NULL);
+        SYS_ARCH_PROTECT(lev);
+        sock->select_waiting--;
+        LWIP_ASSERT("sock->select_waiting >= 0", sock->select_waiting >= 0);
+        SYS_ARCH_UNPROTECT(lev);
+      }
+    }
+    /* Take us off the list */
+    SYS_ARCH_PROTECT(lev);
+    if (select_cb.next != NULL) {
+      select_cb.next->prev = select_cb.prev;
+    }
+    if (select_cb_list == &select_cb) {
+      LWIP_ASSERT("select_cb.prev == NULL", select_cb.prev == NULL);
+      select_cb_list = select_cb.next;
+    } else {
+      LWIP_ASSERT("select_cb.prev != NULL", select_cb.prev != NULL);
+      select_cb.prev->next = select_cb.next;
+    }
+    /* Increasing this counter tells even_callback that the list has changed. */
+    select_cb_ctr++;
+    SYS_ARCH_UNPROTECT(lev);
+
+    sys_sem_free(&select_cb.sem);
+    if (waitres == SYS_ARCH_TIMEOUT)  {
+      /* Timeout */
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: timeout expired\n"));
+      /* This is OK as the local fdsets are empty and nready is zero,
+         or we would have returned earlier. */
+      goto return_copy_fdsets;
+    }
+
+    /* See what's set */
+    nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset);
+  }
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: nready=%d\n", nready));
+return_copy_fdsets:
+  set_errno(0);
+  if (readset) {
+    *readset = lreadset;
+  }
+  if (writeset) {
+    *writeset = lwriteset;
+  }
+  if (exceptset) {
+    *exceptset = lexceptset;
+  }
+
+
+  return nready;
+}
+
+/**
+ * Callback registered in the netconn layer for each socket-netconn.
+ * Processes recvevent (data available) and wakes up tasks waiting for select.
+ */
+static void
+event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len)
+{
+  int s;
+  struct lwip_sock *sock;
+  struct lwip_select_cb *scb;
+  int last_select_cb_ctr;
+  SYS_ARCH_DECL_PROTECT(lev);
+
+  LWIP_UNUSED_ARG(len);
+
+  /* Get socket */
+  if (conn) {
+    s = conn->socket;
+    if (s < 0) {
+      /* Data comes in right away after an accept, even though
+       * the server task might not have created a new socket yet.
+       * Just count down (or up) if that's the case and we
+       * will use the data later. Note that only receive events
+       * can happen before the new socket is set up. */
+      SYS_ARCH_PROTECT(lev);
+      if (conn->socket < 0) {
+        if (evt == NETCONN_EVT_RCVPLUS) {
+          conn->socket--;
+        }
+        SYS_ARCH_UNPROTECT(lev);
+        return;
+      }
+      s = conn->socket;
+      SYS_ARCH_UNPROTECT(lev);
+    }
+
+    sock = get_socket(s);
+    if (!sock) {
+      return;
+    }
+  } else {
+    return;
+  }
+
+  SYS_ARCH_PROTECT(lev);
+  /* Set event as required */
+  switch (evt) {
+    case NETCONN_EVT_RCVPLUS:
+      sock->rcvevent++;
+      break;
+    case NETCONN_EVT_RCVMINUS:
+      sock->rcvevent--;
+      break;
+    case NETCONN_EVT_SENDPLUS:
+      sock->sendevent = 1;
+      break;
+    case NETCONN_EVT_SENDMINUS:
+      sock->sendevent = 0;
+      break;
+    case NETCONN_EVT_ERROR:
+      sock->errevent = 1;
+      break;
+    default:
+      LWIP_ASSERT("unknown event", 0);
+      break;
+  }
+
+  if (sock->select_waiting == 0) {
+    /* noone is waiting for this socket, no need to check select_cb_list */
+    SYS_ARCH_UNPROTECT(lev);
+    return;
+  }
+
+  /* Now decide if anyone is waiting for this socket */
+  /* NOTE: This code goes through the select_cb_list list multiple times
+     ONLY IF a select was actually waiting. We go through the list the number
+     of waiting select calls + 1. This list is expected to be small. */
+
+  /* At this point, SYS_ARCH is still protected! */
+again:
+  for (scb = select_cb_list; scb != NULL; scb = scb->next) {
+    if (scb->sem_signalled == 0) {
+      /* semaphore not signalled yet */
+      int do_signal = 0;
+      /* Test this select call for our socket */
+      if (sock->rcvevent > 0) {
+        if (scb->readset && FD_ISSET(s, scb->readset)) {
+          do_signal = 1;
+        }
+      }
+      if (sock->sendevent != 0) {
+        if (!do_signal && scb->writeset && FD_ISSET(s, scb->writeset)) {
+          do_signal = 1;
+        }
+      }
+      if (sock->errevent != 0) {
+        if (!do_signal && scb->exceptset && FD_ISSET(s, scb->exceptset)) {
+          do_signal = 1;
+        }
+      }
+      if (do_signal) {
+        scb->sem_signalled = 1;
+        /* Don't call SYS_ARCH_UNPROTECT() before signaling the semaphore, as this might
+           lead to the select thread taking itself off the list, invalidagin the semaphore. */
+        sys_sem_signal(&scb->sem);
+      }
+    }
+    /* unlock interrupts with each step */
+    last_select_cb_ctr = select_cb_ctr;
+    SYS_ARCH_UNPROTECT(lev);
+    /* this makes sure interrupt protection time is short */
+    SYS_ARCH_PROTECT(lev);
+    if (last_select_cb_ctr != select_cb_ctr) {
+      /* someone has changed select_cb_list, restart at the beginning */
+      goto again;
+    }
+  }
+  SYS_ARCH_UNPROTECT(lev);
+}
+
+/**
+ * Unimplemented: Close one end of a full-duplex connection.
+ * Currently, the full connection is closed.
+ */
+int
+lwip_shutdown(int s, int how)
+{
+  struct lwip_sock *sock;
+  err_t err;
+  u8_t shut_rx = 0, shut_tx = 0;
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_shutdown(%d, how=%d)\n", s, how));
+
+  sock = get_socket(s);
+  if (!sock) {
+    return -1;
+  }
+
+  if (sock->conn != NULL) {
+    if (netconn_type(sock->conn) != NETCONN_TCP) {
+      sock_set_errno(sock, EOPNOTSUPP);
+      return EOPNOTSUPP;
+    }
+  } else {
+    sock_set_errno(sock, ENOTCONN);
+    return ENOTCONN;
+  }
+
+  if (how == SHUT_RD) {
+    shut_rx = 1;
+  } else if (how == SHUT_WR) {
+    shut_tx = 1;
+  } else if(how == SHUT_RDWR) {
+    shut_rx = 1;
+    shut_tx = 1;
+  } else {
+    sock_set_errno(sock, EINVAL);
+    return EINVAL;
+  }
+  err = netconn_shutdown(sock->conn, shut_rx, shut_tx);
+
+  sock_set_errno(sock, err_to_errno(err));
+  return (err == ERR_OK ? 0 : -1);
+}
+
+static int
+lwip_getaddrname(int s, struct sockaddr *name, socklen_t *namelen, u8_t local)
+{
+  struct lwip_sock *sock;
+  struct sockaddr_in sin;
+  ip_addr_t naddr;
+
+  sock = get_socket(s);
+  if (!sock) {
+    return -1;
+  }
+
+  memset(&sin, 0, sizeof(sin));
+  sin.sin_len = sizeof(sin);
+  sin.sin_family = AF_INET;
+
+  /* get the IP address and port */
+  netconn_getaddr(sock->conn, &naddr, &sin.sin_port, local);
+
+  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getaddrname(%d, addr=", s));
+  ip_addr_debug_print(SOCKETS_DEBUG, &naddr);
+  LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F")\n", sin.sin_port));
+
+  sin.sin_port = htons(sin.sin_port);
+  inet_addr_from_ipaddr(&sin.sin_addr, &naddr);
+
+  if (*namelen > sizeof(sin)) {
+    *namelen = sizeof(sin);
+  }
+
+  MEMCPY(name, &sin, *namelen);
+  sock_set_errno(sock, 0);
+  return 0;
+}
+
+int
+lwip_getpeername(int s, struct sockaddr *name, socklen_t *namelen)
+{
+  return lwip_getaddrname(s, name, namelen, 0);
+}
+
+int
+lwip_getsockname(int s, struct sockaddr *name, socklen_t *namelen)
+{
+  return lwip_getaddrname(s, name, namelen, 1);
+}
+
+int
+lwip_getsockopt(int s, int level, int optname, void *optval, socklen_t *optlen)
+{
+  err_t err = ERR_OK;
+  struct lwip_sock *sock = get_socket(s);
+  struct lwip_setgetsockopt_data data;
+
+  if (!sock) {
+    return -1;
+  }
+
+  if ((NULL == optval) || (NULL == optlen)) {
+    sock_set_errno(sock, EFAULT);
+    return -1;
+  }
+
+  /* Do length and type checks for the various options first, to keep it readable. */
+  switch (level) {
+   
+/* Level: SOL_SOCKET */
+  case SOL_SOCKET:
+    switch (optname) {
+       
+    case SO_ACCEPTCONN:
+    case SO_BROADCAST:
+    /* UNIMPL case SO_DEBUG: */
+    /* UNIMPL case SO_DONTROUTE: */
+    case SO_ERROR:
+    case SO_KEEPALIVE:
+    /* UNIMPL case SO_CONTIMEO: */
+    /* UNIMPL case SO_SNDTIMEO: */
+#if LWIP_SO_RCVTIMEO
+    case SO_RCVTIMEO:
+#endif /* LWIP_SO_RCVTIMEO */
+#if LWIP_SO_RCVBUF
+    case SO_RCVBUF:
+#endif /* LWIP_SO_RCVBUF */
+    /* UNIMPL case SO_OOBINLINE: */
+    /* UNIMPL case SO_SNDBUF: */
+    /* UNIMPL case SO_RCVLOWAT: */
+    /* UNIMPL case SO_SNDLOWAT: */
+#if SO_REUSE
+    case SO_REUSEADDR:
+    case SO_REUSEPORT:
+#endif /* SO_REUSE */
+    case SO_TYPE:
+    /* UNIMPL case SO_USELOOPBACK: */
+      if (*optlen < sizeof(int)) {
+        err = EINVAL;
+      }
+      break;
+
+    case SO_NO_CHECK:
+      if (*optlen < sizeof(int)) {
+        err = EINVAL;
+      }
+#if LWIP_UDP
+      if ((sock->conn->type != NETCONN_UDP) ||
+          ((udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_UDPLITE) != 0)) {
+        /* this flag is only available for UDP, not for UDP lite */
+        err = EAFNOSUPPORT;
+      }
+#endif /* LWIP_UDP */
+      break;
+
+    default:
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, UNIMPL: optname=0x%x, ..)\n",
+                                  s, optname));
+      err = ENOPROTOOPT;
+    }  /* switch (optname) */
+    break;
+                     
+/* Level: IPPROTO_IP */
+  case IPPROTO_IP:
+    switch (optname) {
+    /* UNIMPL case IP_HDRINCL: */
+    /* UNIMPL case IP_RCVDSTADDR: */
+    /* UNIMPL case IP_RCVIF: */
+    case IP_TTL:
+    case IP_TOS:
+      if (*optlen < sizeof(int)) {
+        err = EINVAL;
+      }
+      break;
+#if LWIP_IGMP
+    case IP_MULTICAST_TTL:
+      if (*optlen < sizeof(u8_t)) {
+        err = EINVAL;
+      }
+      break;
+    case IP_MULTICAST_IF:
+      if (*optlen < sizeof(struct in_addr)) {
+        err = EINVAL;
+      }
+      break;
+    case IP_MULTICAST_LOOP:
+      if (*optlen < sizeof(u8_t)) {
+        err = EINVAL;
+      }
+      if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
+        err = EAFNOSUPPORT;
+      }
+      break;
+#endif /* LWIP_IGMP */
+
+    default:
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, UNIMPL: optname=0x%x, ..)\n",
+                                  s, optname));
+      err = ENOPROTOOPT;
+    }  /* switch (optname) */
+    break;
+         
+#if LWIP_TCP
+/* Level: IPPROTO_TCP */
+  case IPPROTO_TCP:
+    if (*optlen < sizeof(int)) {
+      err = EINVAL;
+      break;
+    }
+    
+    /* If this is no TCP socket, ignore any options. */
+    if (sock->conn->type != NETCONN_TCP)
+      return 0;
+
+    switch (optname) {
+    case TCP_NODELAY:
+    case TCP_KEEPALIVE:
+#if LWIP_TCP_KEEPALIVE
+    case TCP_KEEPIDLE:
+    case TCP_KEEPINTVL:
+    case TCP_KEEPCNT:
+#endif /* LWIP_TCP_KEEPALIVE */
+      break;
+       
+    default:
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_TCP, UNIMPL: optname=0x%x, ..)\n",
+                                  s, optname));
+      err = ENOPROTOOPT;
+    }  /* switch (optname) */
+    break;
+#endif /* LWIP_TCP */
+#if LWIP_UDP && LWIP_UDPLITE
+/* Level: IPPROTO_UDPLITE */
+  case IPPROTO_UDPLITE:
+    if (*optlen < sizeof(int)) {
+      err = EINVAL;
+      break;
+    }
+    
+    /* If this is no UDP lite socket, ignore any options. */
+    if (sock->conn->type != NETCONN_UDPLITE) {
+      return 0;
+    }
+
+    switch (optname) {
+    case UDPLITE_SEND_CSCOV:
+    case UDPLITE_RECV_CSCOV:
+      break;
+       
+    default:
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UNIMPL: optname=0x%x, ..)\n",
+                                  s, optname));
+      err = ENOPROTOOPT;
+    }  /* switch (optname) */
+    break;
+#endif /* LWIP_UDP && LWIP_UDPLITE*/
+/* UNDEFINED LEVEL */
+  default:
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n",
+                                  s, level, optname));
+      err = ENOPROTOOPT;
+  }  /* switch */
+
+   
+  if (err != ERR_OK) {
+    sock_set_errno(sock, err);
+    return -1;
+  }
+
+  /* Now do the actual option processing */
+  data.sock = sock;
+#ifdef LWIP_DEBUG
+  data.s = s;
+#endif /* LWIP_DEBUG */
+  data.level = level;
+  data.optname = optname;
+  data.optval = optval;
+  data.optlen = optlen;
+  data.err = err;
+  tcpip_callback(lwip_getsockopt_internal, &data);
+  sys_arch_sem_wait(&sock->conn->op_completed, 0);
+  /* maybe lwip_getsockopt_internal has changed err */
+  err = data.err;
+
+  sock_set_errno(sock, err);
+  return err ? -1 : 0;
+}
+
+static void
+lwip_getsockopt_internal(void *arg)
+{
+  struct lwip_sock *sock;
+#ifdef LWIP_DEBUG
+  int s;
+#endif /* LWIP_DEBUG */
+  int level, optname;
+  void *optval;
+  struct lwip_setgetsockopt_data *data;
+
+  LWIP_ASSERT("arg != NULL", arg != NULL);
+
+  data = (struct lwip_setgetsockopt_data*)arg;
+  sock = data->sock;
+#ifdef LWIP_DEBUG
+  s = data->s;
+#endif /* LWIP_DEBUG */
+  level = data->level;
+  optname = data->optname;
+  optval = data->optval;
+
+  switch (level) {
+
+/* Level: SOL_SOCKET */
+  case SOL_SOCKET:
+    switch (optname) {
+
+    /* The option flags */
+    case SO_ACCEPTCONN:
+    case SO_BROADCAST:
+    /* UNIMPL case SO_DEBUG: */
+    /* UNIMPL case SO_DONTROUTE: */
+    case SO_KEEPALIVE:
+    /* UNIMPL case SO_OOBINCLUDE: */
+#if SO_REUSE
+    case SO_REUSEADDR:
+    case SO_REUSEPORT:
+#endif /* SO_REUSE */
+    /*case SO_USELOOPBACK: UNIMPL */
+      *(int*)optval = sock->conn->pcb.ip->so_options & optname;
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, optname=0x%x, ..) = %s\n",
+                                  s, optname, (*(int*)optval?"on":"off")));
+      break;
+
+    case SO_TYPE:
+      switch (NETCONNTYPE_GROUP(sock->conn->type)) {
+      case NETCONN_RAW:
+        *(int*)optval = SOCK_RAW;
+        break;
+      case NETCONN_TCP:
+        *(int*)optval = SOCK_STREAM;
+        break;
+      case NETCONN_UDP:
+        *(int*)optval = SOCK_DGRAM;
+        break;
+      default: /* unrecognized socket type */
+        *(int*)optval = sock->conn->type;
+        LWIP_DEBUGF(SOCKETS_DEBUG,
+                    ("lwip_getsockopt(%d, SOL_SOCKET, SO_TYPE): unrecognized socket type %d\n",
+                    s, *(int *)optval));
+      }  /* switch (sock->conn->type) */
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, SO_TYPE) = %d\n",
+                  s, *(int *)optval));
+      break;
+
+    case SO_ERROR:
+      /* only overwrite ERR_OK or tempoary errors */
+      if ((sock->err == 0) || (sock->err == EINPROGRESS)) {
+        sock_set_errno(sock, err_to_errno(sock->conn->last_err));
+      } 
+      *(int *)optval = sock->err;
+      sock->err = 0;
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, SO_ERROR) = %d\n",
+                  s, *(int *)optval));
+      break;
+
+#if LWIP_SO_RCVTIMEO
+    case SO_RCVTIMEO:
+      *(int *)optval = netconn_get_recvtimeout(sock->conn);
+      break;
+#endif /* LWIP_SO_RCVTIMEO */
+#if LWIP_SO_RCVBUF
+    case SO_RCVBUF:
+      *(int *)optval = netconn_get_recvbufsize(sock->conn);
+      break;
+#endif /* LWIP_SO_RCVBUF */
+#if LWIP_UDP
+    case SO_NO_CHECK:
+      *(int*)optval = (udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_NOCHKSUM) ? 1 : 0;
+      break;
+#endif /* LWIP_UDP*/
+    default:
+      LWIP_ASSERT("unhandled optname", 0);
+      break;
+    }  /* switch (optname) */
+    break;
+
+/* Level: IPPROTO_IP */
+  case IPPROTO_IP:
+    switch (optname) {
+    case IP_TTL:
+      *(int*)optval = sock->conn->pcb.ip->ttl;
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_TTL) = %d\n",
+                  s, *(int *)optval));
+      break;
+    case IP_TOS:
+      *(int*)optval = sock->conn->pcb.ip->tos;
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_TOS) = %d\n",
+                  s, *(int *)optval));
+      break;
+#if LWIP_IGMP
+    case IP_MULTICAST_TTL:
+      *(u8_t*)optval = sock->conn->pcb.ip->ttl;
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_TTL) = %d\n",
+                  s, *(int *)optval));
+      break;
+    case IP_MULTICAST_IF:
+      inet_addr_from_ipaddr((struct in_addr*)optval, &sock->conn->pcb.udp->multicast_ip);
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_IF) = 0x%"X32_F"\n",
+                  s, *(u32_t *)optval));
+      break;
+    case IP_MULTICAST_LOOP:
+      if ((sock->conn->pcb.udp->flags & UDP_FLAGS_MULTICAST_LOOP) != 0) {
+        *(u8_t*)optval = 1;
+      } else {
+        *(u8_t*)optval = 0;
+      }
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_LOOP) = %d\n",
+                  s, *(int *)optval));
+      break;
+#endif /* LWIP_IGMP */
+    default:
+      LWIP_ASSERT("unhandled optname", 0);
+      break;
+    }  /* switch (optname) */
+    break;
+
+#if LWIP_TCP
+/* Level: IPPROTO_TCP */
+  case IPPROTO_TCP:
+    switch (optname) {
+    case TCP_NODELAY:
+      *(int*)optval = tcp_nagle_disabled(sock->conn->pcb.tcp);
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_TCP, TCP_NODELAY) = %s\n",
+                  s, (*(int*)optval)?"on":"off") );
+      break;
+    case TCP_KEEPALIVE:
+      *(int*)optval = (int)sock->conn->pcb.tcp->keep_idle;
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPALIVE) = %d\n",
+                  s, *(int *)optval));
+      break;
+
+#if LWIP_TCP_KEEPALIVE
+    case TCP_KEEPIDLE:
+      *(int*)optval = (int)(sock->conn->pcb.tcp->keep_idle/1000);
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPIDLE) = %d\n",
+                  s, *(int *)optval));
+      break;
+    case TCP_KEEPINTVL:
+      *(int*)optval = (int)(sock->conn->pcb.tcp->keep_intvl/1000);
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPINTVL) = %d\n",
+                  s, *(int *)optval));
+      break;
+    case TCP_KEEPCNT:
+      *(int*)optval = (int)sock->conn->pcb.tcp->keep_cnt;
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_IP, TCP_KEEPCNT) = %d\n",
+                  s, *(int *)optval));
+      break;
+#endif /* LWIP_TCP_KEEPALIVE */
+    default:
+      LWIP_ASSERT("unhandled optname", 0);
+      break;
+    }  /* switch (optname) */
+    break;
+#endif /* LWIP_TCP */
+#if LWIP_UDP && LWIP_UDPLITE
+  /* Level: IPPROTO_UDPLITE */
+  case IPPROTO_UDPLITE:
+    switch (optname) {
+    case UDPLITE_SEND_CSCOV:
+      *(int*)optval = sock->conn->pcb.udp->chksum_len_tx;
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UDPLITE_SEND_CSCOV) = %d\n",
+                  s, (*(int*)optval)) );
+      break;
+    case UDPLITE_RECV_CSCOV:
+      *(int*)optval = sock->conn->pcb.udp->chksum_len_rx;
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, IPPROTO_UDPLITE, UDPLITE_RECV_CSCOV) = %d\n",
+                  s, (*(int*)optval)) );
+      break;
+    default:
+      LWIP_ASSERT("unhandled optname", 0);
+      break;
+    }  /* switch (optname) */
+    break;
+#endif /* LWIP_UDP */
+  default:
+    LWIP_ASSERT("unhandled level", 0);
+    break;
+  } /* switch (level) */
+  sys_sem_signal(&sock->conn->op_completed);
+}
+
+int
+lwip_setsockopt(int s, int level, int optname, const void *optval, socklen_t optlen)
+{
+  struct lwip_sock *sock = get_socket(s);
+  err_t err = ERR_OK;
+  struct lwip_setgetsockopt_data data;
+
+  if (!sock) {
+    return -1;
+  }
+
+  if (NULL == optval) {
+    sock_set_errno(sock, EFAULT);
+    return -1;
+  }
+
+  /* Do length and type checks for the various options first, to keep it readable. */
+  switch (level) {
+
+/* Level: SOL_SOCKET */
+  case SOL_SOCKET:
+    switch (optname) {
+
+    case SO_BROADCAST:
+    /* UNIMPL case SO_DEBUG: */
+    /* UNIMPL case SO_DONTROUTE: */
+    case SO_KEEPALIVE:
+    /* UNIMPL case case SO_CONTIMEO: */
+    /* UNIMPL case case SO_SNDTIMEO: */
+#if LWIP_SO_RCVTIMEO
+    case SO_RCVTIMEO:
+#endif /* LWIP_SO_RCVTIMEO */
+#if LWIP_SO_RCVBUF
+    case SO_RCVBUF:
+#endif /* LWIP_SO_RCVBUF */
+    /* UNIMPL case SO_OOBINLINE: */
+    /* UNIMPL case SO_SNDBUF: */
+    /* UNIMPL case SO_RCVLOWAT: */
+    /* UNIMPL case SO_SNDLOWAT: */
+#if SO_REUSE
+    case SO_REUSEADDR:
+    case SO_REUSEPORT:
+#endif /* SO_REUSE */
+    /* UNIMPL case SO_USELOOPBACK: */
+      if (optlen < sizeof(int)) {
+        err = EINVAL;
+      }
+      break;
+    case SO_NO_CHECK:
+      if (optlen < sizeof(int)) {
+        err = EINVAL;
+      }
+#if LWIP_UDP
+      if ((sock->conn->type != NETCONN_UDP) ||
+          ((udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_UDPLITE) != 0)) {
+        /* this flag is only available for UDP, not for UDP lite */
+        err = EAFNOSUPPORT;
+      }
+#endif /* LWIP_UDP */
+      break;
+    default:
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, SOL_SOCKET, UNIMPL: optname=0x%x, ..)\n",
+                  s, optname));
+      err = ENOPROTOOPT;
+    }  /* switch (optname) */
+    break;
+
+/* Level: IPPROTO_IP */
+  case IPPROTO_IP:
+    switch (optname) {
+    /* UNIMPL case IP_HDRINCL: */
+    /* UNIMPL case IP_RCVDSTADDR: */
+    /* UNIMPL case IP_RCVIF: */
+    case IP_TTL:
+    case IP_TOS:
+      if (optlen < sizeof(int)) {
+        err = EINVAL;
+      }
+      break;
+#if LWIP_IGMP
+    case IP_MULTICAST_TTL:
+      if (optlen < sizeof(u8_t)) {
+        err = EINVAL;
+      }
+      if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
+        err = EAFNOSUPPORT;
+      }
+      break;
+    case IP_MULTICAST_IF:
+      if (optlen < sizeof(struct in_addr)) {
+        err = EINVAL;
+      }
+      if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
+        err = EAFNOSUPPORT;
+      }
+      break;
+    case IP_MULTICAST_LOOP:
+      if (optlen < sizeof(u8_t)) {
+        err = EINVAL;
+      }
+      if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
+        err = EAFNOSUPPORT;
+      }
+      break;
+    case IP_ADD_MEMBERSHIP:
+    case IP_DROP_MEMBERSHIP:
+      if (optlen < sizeof(struct ip_mreq)) {
+        err = EINVAL;
+      }
+      if (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_UDP) {
+        err = EAFNOSUPPORT;
+      }
+      break;
+#endif /* LWIP_IGMP */
+      default:
+        LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_IP, UNIMPL: optname=0x%x, ..)\n",
+                    s, optname));
+        err = ENOPROTOOPT;
+    }  /* switch (optname) */
+    break;
+
+#if LWIP_TCP
+/* Level: IPPROTO_TCP */
+  case IPPROTO_TCP:
+    if (optlen < sizeof(int)) {
+      err = EINVAL;
+      break;
+    }
+
+    /* If this is no TCP socket, ignore any options. */
+    if (sock->conn->type != NETCONN_TCP)
+      return 0;
+
+    switch (optname) {
+    case TCP_NODELAY:
+    case TCP_KEEPALIVE:
+#if LWIP_TCP_KEEPALIVE
+    case TCP_KEEPIDLE:
+    case TCP_KEEPINTVL:
+    case TCP_KEEPCNT:
+#endif /* LWIP_TCP_KEEPALIVE */
+      break;
+
+    default:
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, UNIMPL: optname=0x%x, ..)\n",
+                  s, optname));
+      err = ENOPROTOOPT;
+    }  /* switch (optname) */
+    break;
+#endif /* LWIP_TCP */
+#if LWIP_UDP && LWIP_UDPLITE
+/* Level: IPPROTO_UDPLITE */
+  case IPPROTO_UDPLITE:
+    if (optlen < sizeof(int)) {
+      err = EINVAL;
+      break;
+    }
+
+    /* If this is no UDP lite socket, ignore any options. */
+    if (sock->conn->type != NETCONN_UDPLITE)
+      return 0;
+
+    switch (optname) {
+    case UDPLITE_SEND_CSCOV:
+    case UDPLITE_RECV_CSCOV:
+      break;
+
+    default:
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UNIMPL: optname=0x%x, ..)\n",
+                  s, optname));
+      err = ENOPROTOOPT;
+    }  /* switch (optname) */
+    break;
+#endif /* LWIP_UDP && LWIP_UDPLITE */
+/* UNDEFINED LEVEL */
+  default:
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n",
+                s, level, optname));
+    err = ENOPROTOOPT;
+  }  /* switch (level) */
+
+
+  if (err != ERR_OK) {
+    sock_set_errno(sock, err);
+    return -1;
+  }
+
+
+  /* Now do the actual option processing */
+  data.sock = sock;
+#ifdef LWIP_DEBUG
+  data.s = s;
+#endif /* LWIP_DEBUG */
+  data.level = level;
+  data.optname = optname;
+  data.optval = (void*)optval;
+  data.optlen = &optlen;
+  data.err = err;
+  tcpip_callback(lwip_setsockopt_internal, &data);
+  sys_arch_sem_wait(&sock->conn->op_completed, 0);
+  /* maybe lwip_setsockopt_internal has changed err */
+  err = data.err;
+
+  sock_set_errno(sock, err);
+  return err ? -1 : 0;
+}
+
+static void
+lwip_setsockopt_internal(void *arg)
+{
+  struct lwip_sock *sock;
+#ifdef LWIP_DEBUG
+  int s;
+#endif /* LWIP_DEBUG */
+  int level, optname;
+  const void *optval;
+  struct lwip_setgetsockopt_data *data;
+
+  LWIP_ASSERT("arg != NULL", arg != NULL);
+
+  data = (struct lwip_setgetsockopt_data*)arg;
+  sock = data->sock;
+#ifdef LWIP_DEBUG
+  s = data->s;
+#endif /* LWIP_DEBUG */
+  level = data->level;
+  optname = data->optname;
+  optval = data->optval;
+
+  switch (level) {
+
+/* Level: SOL_SOCKET */
+  case SOL_SOCKET:
+    switch (optname) {
+
+    /* The option flags */
+    case SO_BROADCAST:
+    /* UNIMPL case SO_DEBUG: */
+    /* UNIMPL case SO_DONTROUTE: */
+    case SO_KEEPALIVE:
+    /* UNIMPL case SO_OOBINCLUDE: */
+#if SO_REUSE
+    case SO_REUSEADDR:
+    case SO_REUSEPORT:
+#endif /* SO_REUSE */
+    /* UNIMPL case SO_USELOOPBACK: */
+      if (*(int*)optval) {
+        sock->conn->pcb.ip->so_options |= optname;
+      } else {
+        sock->conn->pcb.ip->so_options &= ~optname;
+      }
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, SOL_SOCKET, optname=0x%x, ..) -> %s\n",
+                  s, optname, (*(int*)optval?"on":"off")));
+      break;
+#if LWIP_SO_RCVTIMEO
+    case SO_RCVTIMEO:
+      netconn_set_recvtimeout(sock->conn, *(int*)optval);
+      break;
+#endif /* LWIP_SO_RCVTIMEO */
+#if LWIP_SO_RCVBUF
+    case SO_RCVBUF:
+      netconn_set_recvbufsize(sock->conn, *(int*)optval);
+      break;
+#endif /* LWIP_SO_RCVBUF */
+#if LWIP_UDP
+    case SO_NO_CHECK:
+      if (*(int*)optval) {
+        udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) | UDP_FLAGS_NOCHKSUM);
+      } else {
+        udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) & ~UDP_FLAGS_NOCHKSUM);
+      }
+      break;
+#endif /* LWIP_UDP */
+    default:
+      LWIP_ASSERT("unhandled optname", 0);
+      break;
+    }  /* switch (optname) */
+    break;
+
+/* Level: IPPROTO_IP */
+  case IPPROTO_IP:
+    switch (optname) {
+    case IP_TTL:
+      sock->conn->pcb.ip->ttl = (u8_t)(*(int*)optval);
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_IP, IP_TTL, ..) -> %d\n",
+                  s, sock->conn->pcb.ip->ttl));
+      break;
+    case IP_TOS:
+      sock->conn->pcb.ip->tos = (u8_t)(*(int*)optval);
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_IP, IP_TOS, ..)-> %d\n",
+                  s, sock->conn->pcb.ip->tos));
+      break;
+#if LWIP_IGMP
+    case IP_MULTICAST_TTL:
+      sock->conn->pcb.udp->ttl = (u8_t)(*(u8_t*)optval);
+      break;
+    case IP_MULTICAST_IF:
+      inet_addr_to_ipaddr(&sock->conn->pcb.udp->multicast_ip, (struct in_addr*)optval);
+      break;
+    case IP_MULTICAST_LOOP:
+      if (*(u8_t*)optval) {
+        udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) | UDP_FLAGS_MULTICAST_LOOP);
+      } else {
+        udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) & ~UDP_FLAGS_MULTICAST_LOOP);
+      }
+      break;
+    case IP_ADD_MEMBERSHIP:
+    case IP_DROP_MEMBERSHIP:
+      {
+        /* If this is a TCP or a RAW socket, ignore these options. */
+        struct ip_mreq *imr = (struct ip_mreq *)optval;
+        ip_addr_t if_addr;
+        ip_addr_t multi_addr;
+        inet_addr_to_ipaddr(&if_addr, &imr->imr_interface);
+        inet_addr_to_ipaddr(&multi_addr, &imr->imr_multiaddr);
+        if(optname == IP_ADD_MEMBERSHIP){
+          data->err = igmp_joingroup(&if_addr, &multi_addr);
+        } else {
+          data->err = igmp_leavegroup(&if_addr, &multi_addr);
+        }
+        if(data->err != ERR_OK) {
+          data->err = EADDRNOTAVAIL;
+        }
+      }
+      break;
+#endif /* LWIP_IGMP */
+    default:
+      LWIP_ASSERT("unhandled optname", 0);
+      break;
+    }  /* switch (optname) */
+    break;
+
+#if LWIP_TCP
+/* Level: IPPROTO_TCP */
+  case IPPROTO_TCP:
+    switch (optname) {
+    case TCP_NODELAY:
+      if (*(int*)optval) {
+        tcp_nagle_disable(sock->conn->pcb.tcp);
+      } else {
+        tcp_nagle_enable(sock->conn->pcb.tcp);
+      }
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_NODELAY) -> %s\n",
+                  s, (*(int *)optval)?"on":"off") );
+      break;
+    case TCP_KEEPALIVE:
+      sock->conn->pcb.tcp->keep_idle = (u32_t)(*(int*)optval);
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPALIVE) -> %"U32_F"\n",
+                  s, sock->conn->pcb.tcp->keep_idle));
+      break;
+
+#if LWIP_TCP_KEEPALIVE
+    case TCP_KEEPIDLE:
+      sock->conn->pcb.tcp->keep_idle = 1000*(u32_t)(*(int*)optval);
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPIDLE) -> %"U32_F"\n",
+                  s, sock->conn->pcb.tcp->keep_idle));
+      break;
+    case TCP_KEEPINTVL:
+      sock->conn->pcb.tcp->keep_intvl = 1000*(u32_t)(*(int*)optval);
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPINTVL) -> %"U32_F"\n",
+                  s, sock->conn->pcb.tcp->keep_intvl));
+      break;
+    case TCP_KEEPCNT:
+      sock->conn->pcb.tcp->keep_cnt = (u32_t)(*(int*)optval);
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPCNT) -> %"U32_F"\n",
+                  s, sock->conn->pcb.tcp->keep_cnt));
+      break;
+#endif /* LWIP_TCP_KEEPALIVE */
+    default:
+      LWIP_ASSERT("unhandled optname", 0);
+      break;
+    }  /* switch (optname) */
+    break;
+#endif /* LWIP_TCP*/
+#if LWIP_UDP && LWIP_UDPLITE
+  /* Level: IPPROTO_UDPLITE */
+  case IPPROTO_UDPLITE:
+    switch (optname) {
+    case UDPLITE_SEND_CSCOV:
+      if ((*(int*)optval != 0) && ((*(int*)optval < 8)) || (*(int*)optval > 0xffff)) {
+        /* don't allow illegal values! */
+        sock->conn->pcb.udp->chksum_len_tx = 8;
+      } else {
+        sock->conn->pcb.udp->chksum_len_tx = (u16_t)*(int*)optval;
+      }
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UDPLITE_SEND_CSCOV) -> %d\n",
+                  s, (*(int*)optval)) );
+      break;
+    case UDPLITE_RECV_CSCOV:
+      if ((*(int*)optval != 0) && ((*(int*)optval < 8)) || (*(int*)optval > 0xffff)) {
+        /* don't allow illegal values! */
+        sock->conn->pcb.udp->chksum_len_rx = 8;
+      } else {
+        sock->conn->pcb.udp->chksum_len_rx = (u16_t)*(int*)optval;
+      }
+      LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, IPPROTO_UDPLITE, UDPLITE_RECV_CSCOV) -> %d\n",
+                  s, (*(int*)optval)) );
+      break;
+    default:
+      LWIP_ASSERT("unhandled optname", 0);
+      break;
+    }  /* switch (optname) */
+    break;
+#endif /* LWIP_UDP */
+  default:
+    LWIP_ASSERT("unhandled level", 0);
+    break;
+  }  /* switch (level) */
+  sys_sem_signal(&sock->conn->op_completed);
+}
+
+int
+lwip_ioctl(int s, long cmd, void *argp)
+{
+  struct lwip_sock *sock = get_socket(s);
+  u8_t val;
+#if LWIP_SO_RCVBUF
+  u16_t buflen = 0;
+  s16_t recv_avail;
+#endif /* LWIP_SO_RCVBUF */
+
+  if (!sock) {
+    return -1;
+  }
+
+  switch (cmd) {
+#if LWIP_SO_RCVBUF
+  case FIONREAD:
+    if (!argp) {
+      sock_set_errno(sock, EINVAL);
+      return -1;
+    }
+
+    SYS_ARCH_GET(sock->conn->recv_avail, recv_avail);
+    if (recv_avail < 0) {
+      recv_avail = 0;
+    }
+    *((u16_t*)argp) = (u16_t)recv_avail;
+
+    /* Check if there is data left from the last recv operation. /maq 041215 */
+    if (sock->lastdata) {
+      struct pbuf *p = (struct pbuf *)sock->lastdata;
+      if (netconn_type(sock->conn) != NETCONN_TCP) {
+        p = ((struct netbuf *)p)->p;
+      }
+      buflen = p->tot_len;
+      buflen -= sock->lastoffset;
+
+      *((u16_t*)argp) += buflen;
+    }
+
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, FIONREAD, %p) = %"U16_F"\n", s, argp, *((u16_t*)argp)));
+    sock_set_errno(sock, 0);
+    return 0;
+#endif /* LWIP_SO_RCVBUF */
+
+  case FIONBIO:
+    val = 0;
+    if (argp && *(u32_t*)argp) {
+      val = 1;
+    }
+    netconn_set_nonblocking(sock->conn, val);
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, FIONBIO, %d)\n", s, val));
+    sock_set_errno(sock, 0);
+    return 0;
+
+  default:
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_ioctl(%d, UNIMPL: 0x%lx, %p)\n", s, cmd, argp));
+    sock_set_errno(sock, ENOSYS); /* not yet implemented */
+    return -1;
+  } /* switch (cmd) */
+}
+
+/** A minimal implementation of fcntl.
+ * Currently only the commands F_GETFL and F_SETFL are implemented.
+ * Only the flag O_NONBLOCK is implemented.
+ */
+int
+lwip_fcntl(int s, int cmd, int val)
+{
+  struct lwip_sock *sock = get_socket(s);
+  int ret = -1;
+
+  if (!sock || !sock->conn) {
+    return -1;
+  }
+
+  switch (cmd) {
+  case F_GETFL:
+    ret = netconn_is_nonblocking(sock->conn) ? O_NONBLOCK : 0;
+    break;
+  case F_SETFL:
+    if ((val & ~O_NONBLOCK) == 0) {
+      /* only O_NONBLOCK, all other bits are zero */
+      netconn_set_nonblocking(sock->conn, val & O_NONBLOCK);
+      ret = 0;
+    }
+    break;
+  default:
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_fcntl(%d, UNIMPL: %d, %d)\n", s, cmd, val));
+    break;
+  }
+  return ret;
+}
+
+#endif /* LWIP_SOCKET */
diff --git a/libraries/net/lwip/lwip/api/tcpip.c b/libraries/net/lwip/lwip/api/tcpip.c
new file mode 100644
index 0000000000..857e7d9bd6
--- /dev/null
+++ b/libraries/net/lwip/lwip/api/tcpip.c
@@ -0,0 +1,460 @@
+/**
+ * @file
+ * Sequential API Main thread module
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#if !NO_SYS /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/sys.h"
+#include "lwip/memp.h"
+#include "lwip/mem.h"
+#include "lwip/pbuf.h"
+#include "lwip/tcpip.h"
+#include "lwip/init.h"
+#include "netif/etharp.h"
+#include "netif/ppp_oe.h"
+
+/* global variables */
+static tcpip_init_done_fn tcpip_init_done;
+static void *tcpip_init_done_arg;
+static sys_mbox_t mbox;
+
+#if LWIP_TCPIP_CORE_LOCKING
+/** The global semaphore to lock the stack. */
+sys_mutex_t lock_tcpip_core;
+#endif /* LWIP_TCPIP_CORE_LOCKING */
+
+
+/**
+ * The main lwIP thread. This thread has exclusive access to lwIP core functions
+ * (unless access to them is not locked). Other threads communicate with this
+ * thread using message boxes.
+ *
+ * It also starts all the timers to make sure they are running in the right
+ * thread context.
+ *
+ * @param arg unused argument
+ */
+static void
+tcpip_thread(void *arg)
+{
+  struct tcpip_msg *msg;
+  LWIP_UNUSED_ARG(arg);
+
+  if (tcpip_init_done != NULL) {
+    tcpip_init_done(tcpip_init_done_arg);
+  }
+
+  LOCK_TCPIP_CORE();
+  while (1) {                          /* MAIN Loop */
+    UNLOCK_TCPIP_CORE();
+    LWIP_TCPIP_THREAD_ALIVE();
+    /* wait for a message, timeouts are processed while waiting */
+    sys_timeouts_mbox_fetch(&mbox, (void **)&msg);
+    LOCK_TCPIP_CORE();
+    switch (msg->type) {
+#if LWIP_NETCONN
+    case TCPIP_MSG_API:
+      LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: API message %p\n", (void *)msg));
+      msg->msg.apimsg->function(&(msg->msg.apimsg->msg));
+      break;
+#endif /* LWIP_NETCONN */
+
+#if !LWIP_TCPIP_CORE_LOCKING_INPUT
+    case TCPIP_MSG_INPKT:
+      LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: PACKET %p\n", (void *)msg));
+#if LWIP_ETHERNET
+      if (msg->msg.inp.netif->flags & (NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET)) {
+        ethernet_input(msg->msg.inp.p, msg->msg.inp.netif);
+      } else
+#endif /* LWIP_ETHERNET */
+      {
+        ip_input(msg->msg.inp.p, msg->msg.inp.netif);
+      }
+      memp_free(MEMP_TCPIP_MSG_INPKT, msg);
+      break;
+#endif /* LWIP_TCPIP_CORE_LOCKING_INPUT */
+
+#if LWIP_NETIF_API
+    case TCPIP_MSG_NETIFAPI:
+      LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: Netif API message %p\n", (void *)msg));
+      msg->msg.netifapimsg->function(&(msg->msg.netifapimsg->msg));
+      break;
+#endif /* LWIP_NETIF_API */
+
+    case TCPIP_MSG_CALLBACK:
+      LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: CALLBACK %p\n", (void *)msg));
+      msg->msg.cb.function(msg->msg.cb.ctx);
+      memp_free(MEMP_TCPIP_MSG_API, msg);
+      break;
+
+#if LWIP_TCPIP_TIMEOUT
+    case TCPIP_MSG_TIMEOUT:
+      LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: TIMEOUT %p\n", (void *)msg));
+      sys_timeout(msg->msg.tmo.msecs, msg->msg.tmo.h, msg->msg.tmo.arg);
+      memp_free(MEMP_TCPIP_MSG_API, msg);
+      break;
+    case TCPIP_MSG_UNTIMEOUT:
+      LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: UNTIMEOUT %p\n", (void *)msg));
+      sys_untimeout(msg->msg.tmo.h, msg->msg.tmo.arg);
+      memp_free(MEMP_TCPIP_MSG_API, msg);
+      break;
+#endif /* LWIP_TCPIP_TIMEOUT */
+
+    default:
+      LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: invalid message: %d\n", msg->type));
+      LWIP_ASSERT("tcpip_thread: invalid message", 0);
+      break;
+    }
+  }
+}
+
+/**
+ * Pass a received packet to tcpip_thread for input processing
+ *
+ * @param p the received packet, p->payload pointing to the Ethernet header or
+ *          to an IP header (if inp doesn't have NETIF_FLAG_ETHARP or
+ *          NETIF_FLAG_ETHERNET flags)
+ * @param inp the network interface on which the packet was received
+ */
+err_t
+tcpip_input(struct pbuf *p, struct netif *inp)
+{
+#if LWIP_TCPIP_CORE_LOCKING_INPUT
+  err_t ret;
+  LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_input: PACKET %p/%p\n", (void *)p, (void *)inp));
+  LOCK_TCPIP_CORE();
+#if LWIP_ETHERNET
+  if (inp->flags & (NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET)) {
+    ret = ethernet_input(p, inp);
+  } else
+#endif /* LWIP_ETHERNET */
+  {
+    ret = ip_input(p, inp);
+  }
+  UNLOCK_TCPIP_CORE();
+  return ret;
+#else /* LWIP_TCPIP_CORE_LOCKING_INPUT */
+  struct tcpip_msg *msg;
+
+  if (sys_mbox_valid(&mbox)) {
+    msg = (struct tcpip_msg *)memp_malloc(MEMP_TCPIP_MSG_INPKT);
+    if (msg == NULL) {
+      return ERR_MEM;
+    }
+
+    msg->type = TCPIP_MSG_INPKT;
+    msg->msg.inp.p = p;
+    msg->msg.inp.netif = inp;
+    if (sys_mbox_trypost(&mbox, msg) != ERR_OK) {
+      memp_free(MEMP_TCPIP_MSG_INPKT, msg);
+      return ERR_MEM;
+    }
+    return ERR_OK;
+  }
+  return ERR_VAL;
+#endif /* LWIP_TCPIP_CORE_LOCKING_INPUT */
+}
+
+/**
+ * Call a specific function in the thread context of
+ * tcpip_thread for easy access synchronization.
+ * A function called in that way may access lwIP core code
+ * without fearing concurrent access.
+ *
+ * @param f the function to call
+ * @param ctx parameter passed to f
+ * @param block 1 to block until the request is posted, 0 to non-blocking mode
+ * @return ERR_OK if the function was called, another err_t if not
+ */
+err_t
+tcpip_callback_with_block(tcpip_callback_fn function, void *ctx, u8_t block)
+{
+  struct tcpip_msg *msg;
+
+  if (sys_mbox_valid(&mbox)) {
+    msg = (struct tcpip_msg *)memp_malloc(MEMP_TCPIP_MSG_API);
+    if (msg == NULL) {
+      return ERR_MEM;
+    }
+
+    msg->type = TCPIP_MSG_CALLBACK;
+    msg->msg.cb.function = function;
+    msg->msg.cb.ctx = ctx;
+    if (block) {
+      sys_mbox_post(&mbox, msg);
+    } else {
+      if (sys_mbox_trypost(&mbox, msg) != ERR_OK) {
+        memp_free(MEMP_TCPIP_MSG_API, msg);
+        return ERR_MEM;
+      }
+    }
+    return ERR_OK;
+  }
+  return ERR_VAL;
+}
+
+#if LWIP_TCPIP_TIMEOUT
+/**
+ * call sys_timeout in tcpip_thread
+ *
+ * @param msec time in milliseconds for timeout
+ * @param h function to be called on timeout
+ * @param arg argument to pass to timeout function h
+ * @return ERR_MEM on memory error, ERR_OK otherwise
+ */
+err_t
+tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg)
+{
+  struct tcpip_msg *msg;
+
+  if (sys_mbox_valid(&mbox)) {
+    msg = (struct tcpip_msg *)memp_malloc(MEMP_TCPIP_MSG_API);
+    if (msg == NULL) {
+      return ERR_MEM;
+    }
+
+    msg->type = TCPIP_MSG_TIMEOUT;
+    msg->msg.tmo.msecs = msecs;
+    msg->msg.tmo.h = h;
+    msg->msg.tmo.arg = arg;
+    sys_mbox_post(&mbox, msg);
+    return ERR_OK;
+  }
+  return ERR_VAL;
+}
+
+/**
+ * call sys_untimeout in tcpip_thread
+ *
+ * @param msec time in milliseconds for timeout
+ * @param h function to be called on timeout
+ * @param arg argument to pass to timeout function h
+ * @return ERR_MEM on memory error, ERR_OK otherwise
+ */
+err_t
+tcpip_untimeout(sys_timeout_handler h, void *arg)
+{
+  struct tcpip_msg *msg;
+
+  if (sys_mbox_valid(&mbox)) {
+    msg = (struct tcpip_msg *)memp_malloc(MEMP_TCPIP_MSG_API);
+    if (msg == NULL) {
+      return ERR_MEM;
+    }
+
+    msg->type = TCPIP_MSG_UNTIMEOUT;
+    msg->msg.tmo.h = h;
+    msg->msg.tmo.arg = arg;
+    sys_mbox_post(&mbox, msg);
+    return ERR_OK;
+  }
+  return ERR_VAL;
+}
+#endif /* LWIP_TCPIP_TIMEOUT */
+
+#if LWIP_NETCONN
+/**
+ * Call the lower part of a netconn_* function
+ * This function is then running in the thread context
+ * of tcpip_thread and has exclusive access to lwIP core code.
+ *
+ * @param apimsg a struct containing the function to call and its parameters
+ * @return ERR_OK if the function was called, another err_t if not
+ */
+err_t
+tcpip_apimsg(struct api_msg *apimsg)
+{
+  struct tcpip_msg msg;
+#ifdef LWIP_DEBUG
+  /* catch functions that don't set err */
+  apimsg->msg.err = ERR_VAL;
+#endif
+  
+  if (sys_mbox_valid(&mbox)) {
+    msg.type = TCPIP_MSG_API;
+    msg.msg.apimsg = apimsg;
+    sys_mbox_post(&mbox, &msg);
+    sys_arch_sem_wait(&apimsg->msg.conn->op_completed, 0);
+    return apimsg->msg.err;
+  }
+  return ERR_VAL;
+}
+
+#if LWIP_TCPIP_CORE_LOCKING
+/**
+ * Call the lower part of a netconn_* function
+ * This function has exclusive access to lwIP core code by locking it
+ * before the function is called.
+ *
+ * @param apimsg a struct containing the function to call and its parameters
+ * @return ERR_OK (only for compatibility fo tcpip_apimsg())
+ */
+err_t
+tcpip_apimsg_lock(struct api_msg *apimsg)
+{
+#ifdef LWIP_DEBUG
+  /* catch functions that don't set err */
+  apimsg->msg.err = ERR_VAL;
+#endif
+
+  LOCK_TCPIP_CORE();
+  apimsg->function(&(apimsg->msg));
+  UNLOCK_TCPIP_CORE();
+  return apimsg->msg.err;
+
+}
+#endif /* LWIP_TCPIP_CORE_LOCKING */
+#endif /* LWIP_NETCONN */
+
+#if LWIP_NETIF_API
+#if !LWIP_TCPIP_CORE_LOCKING
+/**
+ * Much like tcpip_apimsg, but calls the lower part of a netifapi_*
+ * function.
+ *
+ * @param netifapimsg a struct containing the function to call and its parameters
+ * @return error code given back by the function that was called
+ */
+err_t
+tcpip_netifapi(struct netifapi_msg* netifapimsg)
+{
+  struct tcpip_msg msg;
+  
+  if (sys_mbox_valid(&mbox)) {
+    err_t err = sys_sem_new(&netifapimsg->msg.sem, 0);
+    if (err != ERR_OK) {
+      netifapimsg->msg.err = err;
+      return err;
+    }
+    
+    msg.type = TCPIP_MSG_NETIFAPI;
+    msg.msg.netifapimsg = netifapimsg;
+    sys_mbox_post(&mbox, &msg);
+    sys_sem_wait(&netifapimsg->msg.sem);
+    sys_sem_free(&netifapimsg->msg.sem);
+    return netifapimsg->msg.err;
+  }
+  return ERR_VAL;
+}
+#else /* !LWIP_TCPIP_CORE_LOCKING */
+/**
+ * Call the lower part of a netifapi_* function
+ * This function has exclusive access to lwIP core code by locking it
+ * before the function is called.
+ *
+ * @param netifapimsg a struct containing the function to call and its parameters
+ * @return ERR_OK (only for compatibility fo tcpip_netifapi())
+ */
+err_t
+tcpip_netifapi_lock(struct netifapi_msg* netifapimsg)
+{
+  LOCK_TCPIP_CORE();  
+  netifapimsg->function(&(netifapimsg->msg));
+  UNLOCK_TCPIP_CORE();
+  return netifapimsg->msg.err;
+}
+#endif /* !LWIP_TCPIP_CORE_LOCKING */
+#endif /* LWIP_NETIF_API */
+
+/**
+ * Initialize this module:
+ * - initialize all sub modules
+ * - start the tcpip_thread
+ *
+ * @param initfunc a function to call when tcpip_thread is running and finished initializing
+ * @param arg argument to pass to initfunc
+ */
+void
+tcpip_init(tcpip_init_done_fn initfunc, void *arg)
+{
+  lwip_init();
+
+  tcpip_init_done = initfunc;
+  tcpip_init_done_arg = arg;
+  if(sys_mbox_new(&mbox, TCPIP_MBOX_SIZE) != ERR_OK) {
+    LWIP_ASSERT("failed to create tcpip_thread mbox", 0);
+  }
+#if LWIP_TCPIP_CORE_LOCKING
+  if(sys_mutex_new(&lock_tcpip_core) != ERR_OK) {
+    LWIP_ASSERT("failed to create lock_tcpip_core", 0);
+  }
+#endif /* LWIP_TCPIP_CORE_LOCKING */
+
+  sys_thread_new(TCPIP_THREAD_NAME, tcpip_thread, NULL, TCPIP_THREAD_STACKSIZE, TCPIP_THREAD_PRIO);
+}
+
+/**
+ * Simple callback function used with tcpip_callback to free a pbuf
+ * (pbuf_free has a wrong signature for tcpip_callback)
+ *
+ * @param p The pbuf (chain) to be dereferenced.
+ */
+static void
+pbuf_free_int(void *p)
+{
+  struct pbuf *q = (struct pbuf *)p;
+  pbuf_free(q);
+}
+
+/**
+ * A simple wrapper function that allows you to free a pbuf from interrupt context.
+ *
+ * @param p The pbuf (chain) to be dereferenced.
+ * @return ERR_OK if callback could be enqueued, an err_t if not
+ */
+err_t
+pbuf_free_callback(struct pbuf *p)
+{
+  return tcpip_callback_with_block(pbuf_free_int, p, 0);
+}
+
+/**
+ * A simple wrapper function that allows you to free heap memory from
+ * interrupt context.
+ *
+ * @param m the heap memory to free
+ * @return ERR_OK if callback could be enqueued, an err_t if not
+ */
+err_t
+mem_free_callback(void *m)
+{
+  return tcpip_callback_with_block(mem_free, m, 0);
+}
+
+#endif /* !NO_SYS */
diff --git a/libraries/net/lwip/lwip/core/def.c b/libraries/net/lwip/lwip/core/def.c
new file mode 100644
index 0000000000..352b55241a
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/def.c
@@ -0,0 +1,108 @@
+/**
+ * @file
+ * Common functions used throughout the stack.
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Simon Goldschmidt
+ *
+ */
+
+#include "lwip/opt.h"
+#include "lwip/def.h"
+
+/**
+ * These are reference implementations of the byte swapping functions.
+ * Again with the aim of being simple, correct and fully portable.
+ * Byte swapping is the second thing you would want to optimize. You will
+ * need to port it to your architecture and in your cc.h:
+ * 
+ * #define LWIP_PLATFORM_BYTESWAP 1
+ * #define LWIP_PLATFORM_HTONS(x) 
+ * #define LWIP_PLATFORM_HTONL(x) 
+ *
+ * Note ntohs() and ntohl() are merely references to the htonx counterparts.
+ */
+
+#if (LWIP_PLATFORM_BYTESWAP == 0) && (BYTE_ORDER == LITTLE_ENDIAN)
+
+/**
+ * Convert an u16_t from host- to network byte order.
+ *
+ * @param n u16_t in host byte order
+ * @return n in network byte order
+ */
+u16_t
+lwip_htons(u16_t n)
+{
+  return ((n & 0xff) << 8) | ((n & 0xff00) >> 8);
+}
+
+/**
+ * Convert an u16_t from network- to host byte order.
+ *
+ * @param n u16_t in network byte order
+ * @return n in host byte order
+ */
+u16_t
+lwip_ntohs(u16_t n)
+{
+  return lwip_htons(n);
+}
+
+/**
+ * Convert an u32_t from host- to network byte order.
+ *
+ * @param n u32_t in host byte order
+ * @return n in network byte order
+ */
+u32_t
+lwip_htonl(u32_t n)
+{
+  return ((n & 0xff) << 24) |
+    ((n & 0xff00) << 8) |
+    ((n & 0xff0000UL) >> 8) |
+    ((n & 0xff000000UL) >> 24);
+}
+
+/**
+ * Convert an u32_t from network- to host byte order.
+ *
+ * @param n u32_t in network byte order
+ * @return n in host byte order
+ */
+u32_t
+lwip_ntohl(u32_t n)
+{
+  return lwip_htonl(n);
+}
+
+#endif /* (LWIP_PLATFORM_BYTESWAP == 0) && (BYTE_ORDER == LITTLE_ENDIAN) */
diff --git a/libraries/net/lwip/lwip/core/dhcp.c b/libraries/net/lwip/lwip/core/dhcp.c
new file mode 100644
index 0000000000..81b4be271e
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/dhcp.c
@@ -0,0 +1,1745 @@
+/**
+ * @file
+ * Dynamic Host Configuration Protocol client
+ *
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2004 Leon Woestenberg 
+ * Copyright (c) 2001-2004 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is a contribution to the lwIP TCP/IP stack.
+ * The Swedish Institute of Computer Science and Adam Dunkels
+ * are specifically granted permission to redistribute this
+ * source code.
+ *
+ * Author: Leon Woestenberg 
+ *
+ * This is a DHCP client for the lwIP TCP/IP stack. It aims to conform
+ * with RFC 2131 and RFC 2132.
+ *
+ * TODO:
+ * - Support for interfaces other than Ethernet (SLIP, PPP, ...)
+ *
+ * Please coordinate changes and requests with Leon Woestenberg
+ * 
+ *
+ * Integration with your code:
+ *
+ * In lwip/dhcp.h
+ * #define DHCP_COARSE_TIMER_SECS (recommended 60 which is a minute)
+ * #define DHCP_FINE_TIMER_MSECS (recommended 500 which equals TCP coarse timer)
+ *
+ * Then have your application call dhcp_coarse_tmr() and
+ * dhcp_fine_tmr() on the defined intervals.
+ *
+ * dhcp_start(struct netif *netif);
+ * starts a DHCP client instance which configures the interface by
+ * obtaining an IP address lease and maintaining it.
+ *
+ * Use dhcp_release(netif) to end the lease and use dhcp_stop(netif)
+ * to remove the DHCP client.
+ *
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_DHCP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/stats.h"
+#include "lwip/mem.h"
+#include "lwip/udp.h"
+#include "lwip/ip_addr.h"
+#include "lwip/netif.h"
+#include "lwip/def.h"
+#include "lwip/sys.h"
+#include "lwip/dhcp.h"
+#include "lwip/autoip.h"
+#include "lwip/dns.h"
+#include "netif/etharp.h"
+
+#include 
+
+/** Default for DHCP_GLOBAL_XID is 0xABCD0000
+ * This can be changed by defining DHCP_GLOBAL_XID and DHCP_GLOBAL_XID_HEADER, e.g.
+ *  #define DHCP_GLOBAL_XID_HEADER "stdlib.h"
+ *  #define DHCP_GLOBAL_XID rand()
+ */
+#ifdef DHCP_GLOBAL_XID_HEADER
+#include DHCP_GLOBAL_XID_HEADER /* include optional starting XID generation prototypes */
+#endif
+
+/** DHCP_OPTION_MAX_MSG_SIZE is set to the MTU
+ * MTU is checked to be big enough in dhcp_start */
+#define DHCP_MAX_MSG_LEN(netif)        (netif->mtu)
+#define DHCP_MAX_MSG_LEN_MIN_REQUIRED  576
+/** Minimum length for reply before packet is parsed */
+#define DHCP_MIN_REPLY_LEN             44
+
+#define REBOOT_TRIES 2
+
+/** Option handling: options are parsed in dhcp_parse_reply
+ * and saved in an array where other functions can load them from.
+ * This might be moved into the struct dhcp (not necessarily since
+ * lwIP is single-threaded and the array is only used while in recv
+ * callback). */
+#define DHCP_OPTION_IDX_OVERLOAD    0
+#define DHCP_OPTION_IDX_MSG_TYPE    1
+#define DHCP_OPTION_IDX_SERVER_ID   2
+#define DHCP_OPTION_IDX_LEASE_TIME  3
+#define DHCP_OPTION_IDX_T1          4
+#define DHCP_OPTION_IDX_T2          5
+#define DHCP_OPTION_IDX_SUBNET_MASK 6
+#define DHCP_OPTION_IDX_ROUTER      7
+#define DHCP_OPTION_IDX_DNS_SERVER	8
+#define DHCP_OPTION_IDX_MAX         (DHCP_OPTION_IDX_DNS_SERVER + DNS_MAX_SERVERS)
+
+/** Holds the decoded option values, only valid while in dhcp_recv.
+    @todo: move this into struct dhcp? */
+u32_t dhcp_rx_options_val[DHCP_OPTION_IDX_MAX];
+/** Holds a flag which option was received and is contained in dhcp_rx_options_val,
+    only valid while in dhcp_recv.
+    @todo: move this into struct dhcp? */
+u8_t  dhcp_rx_options_given[DHCP_OPTION_IDX_MAX];
+
+#define dhcp_option_given(dhcp, idx)          (dhcp_rx_options_given[idx] != 0)
+#define dhcp_got_option(dhcp, idx)            (dhcp_rx_options_given[idx] = 1)
+#define dhcp_clear_option(dhcp, idx)          (dhcp_rx_options_given[idx] = 0)
+#define dhcp_clear_all_options(dhcp)          (memset(dhcp_rx_options_given, 0, sizeof(dhcp_rx_options_given)))
+#define dhcp_get_option_value(dhcp, idx)      (dhcp_rx_options_val[idx])
+#define dhcp_set_option_value(dhcp, idx, val) (dhcp_rx_options_val[idx] = (val))
+
+
+/* DHCP client state machine functions */
+static err_t dhcp_discover(struct netif *netif);
+static err_t dhcp_select(struct netif *netif);
+static void dhcp_bind(struct netif *netif);
+#if DHCP_DOES_ARP_CHECK
+static err_t dhcp_decline(struct netif *netif);
+#endif /* DHCP_DOES_ARP_CHECK */
+static err_t dhcp_rebind(struct netif *netif);
+static err_t dhcp_reboot(struct netif *netif);
+static void dhcp_set_state(struct dhcp *dhcp, u8_t new_state);
+
+/* receive, unfold, parse and free incoming messages */
+static void dhcp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port);
+
+/* set the DHCP timers */
+static void dhcp_timeout(struct netif *netif);
+static void dhcp_t1_timeout(struct netif *netif);
+static void dhcp_t2_timeout(struct netif *netif);
+
+/* build outgoing messages */
+/* create a DHCP message, fill in common headers */
+static err_t dhcp_create_msg(struct netif *netif, struct dhcp *dhcp, u8_t message_type);
+/* free a DHCP request */
+static void dhcp_delete_msg(struct dhcp *dhcp);
+/* add a DHCP option (type, then length in bytes) */
+static void dhcp_option(struct dhcp *dhcp, u8_t option_type, u8_t option_len);
+/* add option values */
+static void dhcp_option_byte(struct dhcp *dhcp, u8_t value);
+static void dhcp_option_short(struct dhcp *dhcp, u16_t value);
+static void dhcp_option_long(struct dhcp *dhcp, u32_t value);
+/* always add the DHCP options trailer to end and pad */
+static void dhcp_option_trailer(struct dhcp *dhcp);
+
+/**
+ * Back-off the DHCP client (because of a received NAK response).
+ *
+ * Back-off the DHCP client because of a received NAK. Receiving a
+ * NAK means the client asked for something non-sensible, for
+ * example when it tries to renew a lease obtained on another network.
+ *
+ * We clear any existing set IP address and restart DHCP negotiation
+ * afresh (as per RFC2131 3.2.3).
+ *
+ * @param netif the netif under DHCP control
+ */
+static void
+dhcp_handle_nak(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_handle_nak(netif=%p) %c%c%"U16_F"\n", 
+    (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num));
+  /* Set the interface down since the address must no longer be used, as per RFC2131 */
+  netif_set_down(netif);
+  /* remove IP address from interface */
+  netif_set_ipaddr(netif, IP_ADDR_ANY);
+  netif_set_gw(netif, IP_ADDR_ANY);
+  netif_set_netmask(netif, IP_ADDR_ANY); 
+  /* Change to a defined state */
+  dhcp_set_state(dhcp, DHCP_BACKING_OFF);
+  /* We can immediately restart discovery */
+  dhcp_discover(netif);
+}
+
+#if DHCP_DOES_ARP_CHECK
+/**
+ * Checks if the offered IP address is already in use.
+ *
+ * It does so by sending an ARP request for the offered address and
+ * entering CHECKING state. If no ARP reply is received within a small
+ * interval, the address is assumed to be free for use by us.
+ *
+ * @param netif the netif under DHCP control
+ */
+static void
+dhcp_check(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+  err_t result;
+  u16_t msecs;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_check(netif=%p) %c%c\n", (void *)netif, (s16_t)netif->name[0],
+    (s16_t)netif->name[1]));
+  dhcp_set_state(dhcp, DHCP_CHECKING);
+  /* create an ARP query for the offered IP address, expecting that no host
+     responds, as the IP address should not be in use. */
+  result = etharp_query(netif, &dhcp->offered_ip_addr, NULL);
+  if (result != ERR_OK) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("dhcp_check: could not perform ARP query\n"));
+  }
+  dhcp->tries++;
+  msecs = 500;
+  dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_check(): set request timeout %"U16_F" msecs\n", msecs));
+}
+#endif /* DHCP_DOES_ARP_CHECK */
+
+/**
+ * Remember the configuration offered by a DHCP server.
+ *
+ * @param netif the netif under DHCP control
+ */
+static void
+dhcp_handle_offer(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_handle_offer(netif=%p) %c%c%"U16_F"\n",
+    (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num));
+  /* obtain the server address */
+  if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_SERVER_ID)) {
+    ip4_addr_set_u32(&dhcp->server_ip_addr, htonl(dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_SERVER_ID)));
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_handle_offer(): server 0x%08"X32_F"\n",
+      ip4_addr_get_u32(&dhcp->server_ip_addr)));
+    /* remember offered address */
+    ip_addr_copy(dhcp->offered_ip_addr, dhcp->msg_in->yiaddr);
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_handle_offer(): offer for 0x%08"X32_F"\n",
+      ip4_addr_get_u32(&dhcp->offered_ip_addr)));
+
+    dhcp_select(netif);
+  } else {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS,
+      ("dhcp_handle_offer(netif=%p) did not get server ID!\n", (void*)netif));
+  }
+}
+
+/**
+ * Select a DHCP server offer out of all offers.
+ *
+ * Simply select the first offer received.
+ *
+ * @param netif the netif under DHCP control
+ * @return lwIP specific error (see error.h)
+ */
+static err_t
+dhcp_select(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+  err_t result;
+  u16_t msecs;
+
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_select(netif=%p) %c%c%"U16_F"\n", (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num));
+  dhcp_set_state(dhcp, DHCP_REQUESTING);
+
+  /* create and initialize the DHCP message header */
+  result = dhcp_create_msg(netif, dhcp, DHCP_REQUEST);
+  if (result == ERR_OK) {
+    dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN);
+    dhcp_option_short(dhcp, DHCP_MAX_MSG_LEN(netif));
+
+    /* MUST request the offered IP address */
+    dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4);
+    dhcp_option_long(dhcp, ntohl(ip4_addr_get_u32(&dhcp->offered_ip_addr)));
+
+    dhcp_option(dhcp, DHCP_OPTION_SERVER_ID, 4);
+    dhcp_option_long(dhcp, ntohl(ip4_addr_get_u32(&dhcp->server_ip_addr)));
+
+    dhcp_option(dhcp, DHCP_OPTION_PARAMETER_REQUEST_LIST, 4/*num options*/);
+    dhcp_option_byte(dhcp, DHCP_OPTION_SUBNET_MASK);
+    dhcp_option_byte(dhcp, DHCP_OPTION_ROUTER);
+    dhcp_option_byte(dhcp, DHCP_OPTION_BROADCAST);
+    dhcp_option_byte(dhcp, DHCP_OPTION_DNS_SERVER);
+
+#if LWIP_NETIF_HOSTNAME
+    if (netif->hostname != NULL) {
+      const char *p = (const char*)netif->hostname;
+      u8_t namelen = (u8_t)strlen(p);
+      if (namelen > 0) {
+        LWIP_ASSERT("DHCP: hostname is too long!", namelen < 255);
+        dhcp_option(dhcp, DHCP_OPTION_HOSTNAME, namelen);
+        while (*p) {
+          dhcp_option_byte(dhcp, *p++);
+        }
+      }
+    }
+#endif /* LWIP_NETIF_HOSTNAME */
+
+    dhcp_option_trailer(dhcp);
+    /* shrink the pbuf to the actual content length */
+    pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len);
+
+    /* send broadcast to any DHCP server */
+    udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif);
+    dhcp_delete_msg(dhcp);
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_select: REQUESTING\n"));
+  } else {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("dhcp_select: could not allocate DHCP request\n"));
+  }
+  dhcp->tries++;
+  msecs = (dhcp->tries < 6 ? 1 << dhcp->tries : 60) * 1000;
+  dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_select(): set request timeout %"U16_F" msecs\n", msecs));
+  return result;
+}
+
+/**
+ * The DHCP timer that checks for lease renewal/rebind timeouts.
+ */
+void
+dhcp_coarse_tmr()
+{
+  struct netif *netif = netif_list;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_coarse_tmr()\n"));
+  /* iterate through all network interfaces */
+  while (netif != NULL) {
+    /* only act on DHCP configured interfaces */
+    if (netif->dhcp != NULL) {
+      /* timer is active (non zero), and triggers (zeroes) now? */
+      if (netif->dhcp->t2_timeout-- == 1) {
+        LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_coarse_tmr(): t2 timeout\n"));
+        /* this clients' rebind timeout triggered */
+        dhcp_t2_timeout(netif);
+      /* timer is active (non zero), and triggers (zeroes) now */
+      } else if (netif->dhcp->t1_timeout-- == 1) {
+        LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_coarse_tmr(): t1 timeout\n"));
+        /* this clients' renewal timeout triggered */
+        dhcp_t1_timeout(netif);
+      }
+    }
+    /* proceed to next netif */
+    netif = netif->next;
+  }
+}
+
+/**
+ * DHCP transaction timeout handling
+ *
+ * A DHCP server is expected to respond within a short period of time.
+ * This timer checks whether an outstanding DHCP request is timed out.
+ */
+void
+dhcp_fine_tmr()
+{
+  struct netif *netif = netif_list;
+  /* loop through netif's */
+  while (netif != NULL) {
+    /* only act on DHCP configured interfaces */
+    if (netif->dhcp != NULL) {
+      /* timer is active (non zero), and is about to trigger now */      
+      if (netif->dhcp->request_timeout > 1) {
+        netif->dhcp->request_timeout--;
+      }
+      else if (netif->dhcp->request_timeout == 1) {
+        netif->dhcp->request_timeout--;
+        /* { netif->dhcp->request_timeout == 0 } */
+        LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_fine_tmr(): request timeout\n"));
+        /* this client's request timeout triggered */
+        dhcp_timeout(netif);
+      }
+    }
+    /* proceed to next network interface */
+    netif = netif->next;
+  }
+}
+
+/**
+ * A DHCP negotiation transaction, or ARP request, has timed out.
+ *
+ * The timer that was started with the DHCP or ARP request has
+ * timed out, indicating no response was received in time.
+ *
+ * @param netif the netif under DHCP control
+ */
+static void
+dhcp_timeout(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_timeout()\n"));
+  /* back-off period has passed, or server selection timed out */
+  if ((dhcp->state == DHCP_BACKING_OFF) || (dhcp->state == DHCP_SELECTING)) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_timeout(): restarting discovery\n"));
+    dhcp_discover(netif);
+  /* receiving the requested lease timed out */
+  } else if (dhcp->state == DHCP_REQUESTING) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): REQUESTING, DHCP request timed out\n"));
+    if (dhcp->tries <= 5) {
+      dhcp_select(netif);
+    } else {
+      LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): REQUESTING, releasing, restarting\n"));
+      dhcp_release(netif);
+      dhcp_discover(netif);
+    }
+#if DHCP_DOES_ARP_CHECK
+  /* received no ARP reply for the offered address (which is good) */
+  } else if (dhcp->state == DHCP_CHECKING) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): CHECKING, ARP request timed out\n"));
+    if (dhcp->tries <= 1) {
+      dhcp_check(netif);
+    /* no ARP replies on the offered address,
+       looks like the IP address is indeed free */
+    } else {
+      /* bind the interface to the offered address */
+      dhcp_bind(netif);
+    }
+#endif /* DHCP_DOES_ARP_CHECK */
+  }
+  /* did not get response to renew request? */
+  else if (dhcp->state == DHCP_RENEWING) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): RENEWING, DHCP request timed out\n"));
+    /* just retry renewal */
+    /* note that the rebind timer will eventually time-out if renew does not work */
+    dhcp_renew(netif);
+  /* did not get response to rebind request? */
+  } else if (dhcp->state == DHCP_REBINDING) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): REBINDING, DHCP request timed out\n"));
+    if (dhcp->tries <= 8) {
+      dhcp_rebind(netif);
+    } else {
+      LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): RELEASING, DISCOVERING\n"));
+      dhcp_release(netif);
+      dhcp_discover(netif);
+    }
+  } else if (dhcp->state == DHCP_REBOOTING) {
+    if (dhcp->tries < REBOOT_TRIES) {
+      dhcp_reboot(netif);
+    } else {
+      dhcp_discover(netif);
+    }
+  }
+}
+
+/**
+ * The renewal period has timed out.
+ *
+ * @param netif the netif under DHCP control
+ */
+static void
+dhcp_t1_timeout(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_t1_timeout()\n"));
+  if ((dhcp->state == DHCP_REQUESTING) || (dhcp->state == DHCP_BOUND) ||
+      (dhcp->state == DHCP_RENEWING)) {
+    /* just retry to renew - note that the rebind timer (t2) will
+     * eventually time-out if renew tries fail. */
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE,
+                ("dhcp_t1_timeout(): must renew\n"));
+    /* This slightly different to RFC2131: DHCPREQUEST will be sent from state
+       DHCP_RENEWING, not DHCP_BOUND */
+    dhcp_renew(netif);
+  }
+}
+
+/**
+ * The rebind period has timed out.
+ *
+ * @param netif the netif under DHCP control
+ */
+static void
+dhcp_t2_timeout(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_t2_timeout()\n"));
+  if ((dhcp->state == DHCP_REQUESTING) || (dhcp->state == DHCP_BOUND) ||
+      (dhcp->state == DHCP_RENEWING)) {
+    /* just retry to rebind */
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE,
+                ("dhcp_t2_timeout(): must rebind\n"));
+    /* This slightly different to RFC2131: DHCPREQUEST will be sent from state
+       DHCP_REBINDING, not DHCP_BOUND */
+    dhcp_rebind(netif);
+  }
+}
+
+/**
+ * Handle a DHCP ACK packet
+ *
+ * @param netif the netif under DHCP control
+ */
+static void
+dhcp_handle_ack(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+#if LWIP_DNS
+  u8_t n;
+#endif /* LWIP_DNS */
+
+  /* clear options we might not get from the ACK */
+  ip_addr_set_zero(&dhcp->offered_sn_mask);
+  ip_addr_set_zero(&dhcp->offered_gw_addr);
+#if LWIP_DHCP_BOOTP_FILE
+  ip_addr_set_zero(&dhcp->offered_si_addr);
+#endif /* LWIP_DHCP_BOOTP_FILE */
+
+  /* lease time given? */
+  if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_LEASE_TIME)) {
+    /* remember offered lease time */
+    dhcp->offered_t0_lease = dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_LEASE_TIME);
+  }
+  /* renewal period given? */
+  if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_T1)) {
+    /* remember given renewal period */
+    dhcp->offered_t1_renew = dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_T1);
+  } else {
+    /* calculate safe periods for renewal */
+    dhcp->offered_t1_renew = dhcp->offered_t0_lease / 2;
+  }
+
+  /* renewal period given? */
+  if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_T2)) {
+    /* remember given rebind period */
+    dhcp->offered_t2_rebind = dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_T2);
+  } else {
+    /* calculate safe periods for rebinding */
+    dhcp->offered_t2_rebind = dhcp->offered_t0_lease;
+  }
+
+  /* (y)our internet address */
+  ip_addr_copy(dhcp->offered_ip_addr, dhcp->msg_in->yiaddr);
+
+#if LWIP_DHCP_BOOTP_FILE
+  /* copy boot server address,
+     boot file name copied in dhcp_parse_reply if not overloaded */
+  ip_addr_copy(dhcp->offered_si_addr, dhcp->msg_in->siaddr);
+#endif /* LWIP_DHCP_BOOTP_FILE */
+
+  /* subnet mask given? */
+  if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_SUBNET_MASK)) {
+    /* remember given subnet mask */
+    ip4_addr_set_u32(&dhcp->offered_sn_mask, htonl(dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_SUBNET_MASK)));
+    dhcp->subnet_mask_given = 1;
+  } else {
+    dhcp->subnet_mask_given = 0;
+  }
+
+  /* gateway router */
+  if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_ROUTER)) {
+    ip4_addr_set_u32(&dhcp->offered_gw_addr, htonl(dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_ROUTER)));
+  }
+  
+#if LWIP_DNS
+  /* DNS servers */
+  n = 0;
+  while(dhcp_option_given(dhcp, DHCP_OPTION_IDX_DNS_SERVER + n) && (n < DNS_MAX_SERVERS)) {
+    ip_addr_t dns_addr;
+    ip4_addr_set_u32(&dns_addr, htonl(dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_DNS_SERVER + n)));
+    dns_setserver(n, &dns_addr);
+    n++;
+  }
+#endif /* LWIP_DNS */
+}
+
+/** Set a statically allocated struct dhcp to work with.
+ * Using this prevents dhcp_start to allocate it using mem_malloc.
+ *
+ * @param netif the netif for which to set the struct dhcp
+ * @param dhcp (uninitialised) dhcp struct allocated by the application
+ */
+void
+dhcp_set_struct(struct netif *netif, struct dhcp *dhcp)
+{
+  LWIP_ASSERT("netif != NULL", netif != NULL);
+  LWIP_ASSERT("dhcp != NULL", dhcp != NULL);
+  LWIP_ASSERT("netif already has a struct dhcp set", netif->dhcp == NULL);
+
+  /* clear data structure */
+  memset(dhcp, 0, sizeof(struct dhcp));
+  /* dhcp_set_state(&dhcp, DHCP_OFF); */
+  netif->dhcp = dhcp;
+}
+
+/** Removes a struct dhcp from a netif.
+ *
+ * ATTENTION: Only use this when not using dhcp_set_struct() to allocate the
+ *            struct dhcp since the memory is passed back to the heap.
+ *
+ * @param netif the netif from which to remove the struct dhcp
+ */
+void dhcp_cleanup(struct netif *netif)
+{
+  LWIP_ASSERT("netif != NULL", netif != NULL);
+
+  if (netif->dhcp != NULL) {
+    mem_free(netif->dhcp);
+    netif->dhcp = NULL;
+  }
+}
+
+/**
+ * Start DHCP negotiation for a network interface.
+ *
+ * If no DHCP client instance was attached to this interface,
+ * a new client is created first. If a DHCP client instance
+ * was already present, it restarts negotiation.
+ *
+ * @param netif The lwIP network interface
+ * @return lwIP error code
+ * - ERR_OK - No error
+ * - ERR_MEM - Out of memory
+ */
+err_t
+dhcp_start(struct netif *netif)
+{
+  struct dhcp *dhcp;
+  err_t result = ERR_OK;
+
+  LWIP_ERROR("netif != NULL", (netif != NULL), return ERR_ARG;);
+  dhcp = netif->dhcp;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_start(netif=%p) %c%c%"U16_F"\n", (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num));
+  /* Remove the flag that says this netif is handled by DHCP,
+     it is set when we succeeded starting. */
+  netif->flags &= ~NETIF_FLAG_DHCP;
+
+  /* check hwtype of the netif */
+  if ((netif->flags & NETIF_FLAG_ETHARP) == 0) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): No ETHARP netif\n"));
+    return ERR_ARG;
+  }
+
+  /* check MTU of the netif */
+  if (netif->mtu < DHCP_MAX_MSG_LEN_MIN_REQUIRED) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): Cannot use this netif with DHCP: MTU is too small\n"));
+    return ERR_MEM;
+  }
+
+  /* no DHCP client attached yet? */
+  if (dhcp == NULL) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): starting new DHCP client\n"));
+    dhcp = (struct dhcp *)mem_malloc(sizeof(struct dhcp));
+    if (dhcp == NULL) {
+      LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): could not allocate dhcp\n"));
+      return ERR_MEM;
+    }
+    /* store this dhcp client in the netif */
+    netif->dhcp = dhcp;
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): allocated dhcp"));
+  /* already has DHCP client attached */
+  } else {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_start(): restarting DHCP configuration\n"));
+    if (dhcp->pcb != NULL) {
+      udp_remove(dhcp->pcb);
+    }
+    LWIP_ASSERT("pbuf p_out wasn't freed", dhcp->p_out == NULL);
+    LWIP_ASSERT("reply wasn't freed", dhcp->msg_in == NULL );
+  }
+    
+  /* clear data structure */
+  memset(dhcp, 0, sizeof(struct dhcp));
+  /* dhcp_set_state(&dhcp, DHCP_OFF); */
+  /* allocate UDP PCB */
+  dhcp->pcb = udp_new();
+  if (dhcp->pcb == NULL) {
+    LWIP_DEBUGF(DHCP_DEBUG  | LWIP_DBG_TRACE, ("dhcp_start(): could not obtain pcb\n"));
+    return ERR_MEM;
+  }
+  dhcp->pcb->so_options |= SOF_BROADCAST;
+  /* set up local and remote port for the pcb */
+  udp_bind(dhcp->pcb, IP_ADDR_ANY, DHCP_CLIENT_PORT);
+  udp_connect(dhcp->pcb, IP_ADDR_ANY, DHCP_SERVER_PORT);
+  /* set up the recv callback and argument */
+  udp_recv(dhcp->pcb, dhcp_recv, netif);
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): starting DHCP configuration\n"));
+  /* (re)start the DHCP negotiation */
+  result = dhcp_discover(netif);
+  if (result != ERR_OK) {
+    /* free resources allocated above */
+    dhcp_stop(netif);
+    return ERR_MEM;
+  }
+  /* Set the flag that says this netif is handled by DHCP. */
+  netif->flags |= NETIF_FLAG_DHCP;
+  return result;
+}
+
+/**
+ * Inform a DHCP server of our manual configuration.
+ *
+ * This informs DHCP servers of our fixed IP address configuration
+ * by sending an INFORM message. It does not involve DHCP address
+ * configuration, it is just here to be nice to the network.
+ *
+ * @param netif The lwIP network interface
+ */
+void
+dhcp_inform(struct netif *netif)
+{
+  struct dhcp dhcp;
+  err_t result = ERR_OK;
+  struct udp_pcb *pcb;
+
+  LWIP_ERROR("netif != NULL", (netif != NULL), return;);
+
+  memset(&dhcp, 0, sizeof(struct dhcp));
+  dhcp_set_state(&dhcp, DHCP_INFORM);
+
+  if ((netif->dhcp != NULL) && (netif->dhcp->pcb != NULL)) {
+    /* re-use existing pcb */
+    pcb = netif->dhcp->pcb;
+  } else {
+    pcb = udp_new();
+    if (pcb == NULL) {
+      LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_inform(): could not obtain pcb"));
+      return;
+    }
+    dhcp.pcb = pcb;
+    dhcp.pcb->so_options |= SOF_BROADCAST;
+    udp_bind(dhcp.pcb, IP_ADDR_ANY, DHCP_CLIENT_PORT);
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_inform(): created new udp pcb\n"));
+  }
+  /* create and initialize the DHCP message header */
+  result = dhcp_create_msg(netif, &dhcp, DHCP_INFORM);
+  if (result == ERR_OK) {
+    dhcp_option(&dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN);
+    dhcp_option_short(&dhcp, DHCP_MAX_MSG_LEN(netif));
+
+    dhcp_option_trailer(&dhcp);
+
+    pbuf_realloc(dhcp.p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp.options_out_len);
+
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_inform: INFORMING\n"));
+    udp_sendto_if(pcb, dhcp.p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif);
+    dhcp_delete_msg(&dhcp);
+  } else {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_inform: could not allocate DHCP request\n"));
+  }
+
+  if (dhcp.pcb != NULL) {
+    /* otherwise, the existing pcb was used */
+    udp_remove(dhcp.pcb);
+  }
+}
+
+/** Handle a possible change in the network configuration.
+ *
+ * This enters the REBOOTING state to verify that the currently bound
+ * address is still valid.
+ */
+void
+dhcp_network_changed(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+  if (!dhcp)
+    return;
+  switch (dhcp->state) {
+  case DHCP_REBINDING:
+  case DHCP_RENEWING:
+  case DHCP_BOUND:
+  case DHCP_REBOOTING:
+    netif_set_down(netif);
+    dhcp->tries = 0;
+    dhcp_reboot(netif);
+    break;
+  case DHCP_OFF:
+    /* stay off */
+    break;
+  default:
+    dhcp->tries = 0;
+#if LWIP_DHCP_AUTOIP_COOP
+    if(dhcp->autoip_coop_state == DHCP_AUTOIP_COOP_STATE_ON) {
+      autoip_stop(netif);
+      dhcp->autoip_coop_state = DHCP_AUTOIP_COOP_STATE_OFF;
+    }
+#endif /* LWIP_DHCP_AUTOIP_COOP */
+    dhcp_discover(netif);
+    break;
+  }
+}
+
+#if DHCP_DOES_ARP_CHECK
+/**
+ * Match an ARP reply with the offered IP address.
+ *
+ * @param netif the network interface on which the reply was received
+ * @param addr The IP address we received a reply from
+ */
+void dhcp_arp_reply(struct netif *netif, ip_addr_t *addr)
+{
+  LWIP_ERROR("netif != NULL", (netif != NULL), return;);
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_arp_reply()\n"));
+  /* is a DHCP client doing an ARP check? */
+  if ((netif->dhcp != NULL) && (netif->dhcp->state == DHCP_CHECKING)) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_arp_reply(): CHECKING, arp reply for 0x%08"X32_F"\n",
+      ip4_addr_get_u32(addr)));
+    /* did a host respond with the address we
+       were offered by the DHCP server? */
+    if (ip_addr_cmp(addr, &netif->dhcp->offered_ip_addr)) {
+      /* we will not accept the offered address */
+      LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE | LWIP_DBG_LEVEL_WARNING,
+        ("dhcp_arp_reply(): arp reply matched with offered address, declining\n"));
+      dhcp_decline(netif);
+    }
+  }
+}
+
+/**
+ * Decline an offered lease.
+ *
+ * Tell the DHCP server we do not accept the offered address.
+ * One reason to decline the lease is when we find out the address
+ * is already in use by another host (through ARP).
+ *
+ * @param netif the netif under DHCP control
+ */
+static err_t
+dhcp_decline(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+  err_t result = ERR_OK;
+  u16_t msecs;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_decline()\n"));
+  dhcp_set_state(dhcp, DHCP_BACKING_OFF);
+  /* create and initialize the DHCP message header */
+  result = dhcp_create_msg(netif, dhcp, DHCP_DECLINE);
+  if (result == ERR_OK) {
+    dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4);
+    dhcp_option_long(dhcp, ntohl(ip4_addr_get_u32(&dhcp->offered_ip_addr)));
+
+    dhcp_option_trailer(dhcp);
+    /* resize pbuf to reflect true size of options */
+    pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len);
+
+    /* per section 4.4.4, broadcast DECLINE messages */
+    udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif);
+    dhcp_delete_msg(dhcp);
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_decline: BACKING OFF\n"));
+  } else {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS,
+      ("dhcp_decline: could not allocate DHCP request\n"));
+  }
+  dhcp->tries++;
+  msecs = 10*1000;
+  dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_decline(): set request timeout %"U16_F" msecs\n", msecs));
+  return result;
+}
+#endif /* DHCP_DOES_ARP_CHECK */
+
+
+/**
+ * Start the DHCP process, discover a DHCP server.
+ *
+ * @param netif the netif under DHCP control
+ */
+static err_t
+dhcp_discover(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+  err_t result = ERR_OK;
+  u16_t msecs;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover()\n"));
+  ip_addr_set_any(&dhcp->offered_ip_addr);
+  dhcp_set_state(dhcp, DHCP_SELECTING);
+  /* create and initialize the DHCP message header */
+  result = dhcp_create_msg(netif, dhcp, DHCP_DISCOVER);
+  if (result == ERR_OK) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover: making request\n"));
+
+    dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN);
+    dhcp_option_short(dhcp, DHCP_MAX_MSG_LEN(netif));
+
+    dhcp_option(dhcp, DHCP_OPTION_PARAMETER_REQUEST_LIST, 4/*num options*/);
+    dhcp_option_byte(dhcp, DHCP_OPTION_SUBNET_MASK);
+    dhcp_option_byte(dhcp, DHCP_OPTION_ROUTER);
+    dhcp_option_byte(dhcp, DHCP_OPTION_BROADCAST);
+    dhcp_option_byte(dhcp, DHCP_OPTION_DNS_SERVER);
+
+    dhcp_option_trailer(dhcp);
+
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover: realloc()ing\n"));
+    pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len);
+
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover: sendto(DISCOVER, IP_ADDR_BROADCAST, DHCP_SERVER_PORT)\n"));
+    udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif);
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover: deleting()ing\n"));
+    dhcp_delete_msg(dhcp);
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_discover: SELECTING\n"));
+  } else {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_discover: could not allocate DHCP request\n"));
+  }
+  dhcp->tries++;
+#if LWIP_DHCP_AUTOIP_COOP
+  if(dhcp->tries >= LWIP_DHCP_AUTOIP_COOP_TRIES && dhcp->autoip_coop_state == DHCP_AUTOIP_COOP_STATE_OFF) {
+    dhcp->autoip_coop_state = DHCP_AUTOIP_COOP_STATE_ON;
+    autoip_start(netif);
+  }
+#endif /* LWIP_DHCP_AUTOIP_COOP */
+  msecs = (dhcp->tries < 6 ? 1 << dhcp->tries : 60) * 1000;
+  dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_discover(): set request timeout %"U16_F" msecs\n", msecs));
+  return result;
+}
+
+
+/**
+ * Bind the interface to the offered IP address.
+ *
+ * @param netif network interface to bind to the offered address
+ */
+static void
+dhcp_bind(struct netif *netif)
+{
+  u32_t timeout;
+  struct dhcp *dhcp;
+  ip_addr_t sn_mask, gw_addr;
+  LWIP_ERROR("dhcp_bind: netif != NULL", (netif != NULL), return;);
+  dhcp = netif->dhcp;
+  LWIP_ERROR("dhcp_bind: dhcp != NULL", (dhcp != NULL), return;);
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_bind(netif=%p) %c%c%"U16_F"\n", (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num));
+
+  /* temporary DHCP lease? */
+  if (dhcp->offered_t1_renew != 0xffffffffUL) {
+    /* set renewal period timer */
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_bind(): t1 renewal timer %"U32_F" secs\n", dhcp->offered_t1_renew));
+    timeout = (dhcp->offered_t1_renew + DHCP_COARSE_TIMER_SECS / 2) / DHCP_COARSE_TIMER_SECS;
+    if(timeout > 0xffff) {
+      timeout = 0xffff;
+    }
+    dhcp->t1_timeout = (u16_t)timeout;
+    if (dhcp->t1_timeout == 0) {
+      dhcp->t1_timeout = 1;
+    }
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_bind(): set request timeout %"U32_F" msecs\n", dhcp->offered_t1_renew*1000));
+  }
+  /* set renewal period timer */
+  if (dhcp->offered_t2_rebind != 0xffffffffUL) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_bind(): t2 rebind timer %"U32_F" secs\n", dhcp->offered_t2_rebind));
+    timeout = (dhcp->offered_t2_rebind + DHCP_COARSE_TIMER_SECS / 2) / DHCP_COARSE_TIMER_SECS;
+    if(timeout > 0xffff) {
+      timeout = 0xffff;
+    }
+    dhcp->t2_timeout = (u16_t)timeout;
+    if (dhcp->t2_timeout == 0) {
+      dhcp->t2_timeout = 1;
+    }
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_bind(): set request timeout %"U32_F" msecs\n", dhcp->offered_t2_rebind*1000));
+  }
+
+  if (dhcp->subnet_mask_given) {
+    /* copy offered network mask */
+    ip_addr_copy(sn_mask, dhcp->offered_sn_mask);
+  } else {
+    /* subnet mask not given, choose a safe subnet mask given the network class */
+    u8_t first_octet = ip4_addr1(&dhcp->offered_ip_addr);
+    if (first_octet <= 127) {
+      ip4_addr_set_u32(&sn_mask, PP_HTONL(0xff000000UL));
+    } else if (first_octet >= 192) {
+      ip4_addr_set_u32(&sn_mask, PP_HTONL(0xffffff00UL));
+    } else {
+      ip4_addr_set_u32(&sn_mask, PP_HTONL(0xffff0000UL));
+    }
+  }
+
+  ip_addr_copy(gw_addr, dhcp->offered_gw_addr);
+  /* gateway address not given? */
+  if (ip_addr_isany(&gw_addr)) {
+    /* copy network address */
+    ip_addr_get_network(&gw_addr, &dhcp->offered_ip_addr, &sn_mask);
+    /* use first host address on network as gateway */
+    ip4_addr_set_u32(&gw_addr, ip4_addr_get_u32(&gw_addr) | PP_HTONL(0x00000001UL));
+  }
+
+#if LWIP_DHCP_AUTOIP_COOP
+  if(dhcp->autoip_coop_state == DHCP_AUTOIP_COOP_STATE_ON) {
+    autoip_stop(netif);
+    dhcp->autoip_coop_state = DHCP_AUTOIP_COOP_STATE_OFF;
+  }
+#endif /* LWIP_DHCP_AUTOIP_COOP */
+
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_bind(): IP: 0x%08"X32_F"\n",
+    ip4_addr_get_u32(&dhcp->offered_ip_addr)));
+  netif_set_ipaddr(netif, &dhcp->offered_ip_addr);
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_bind(): SN: 0x%08"X32_F"\n",
+    ip4_addr_get_u32(&sn_mask)));
+  netif_set_netmask(netif, &sn_mask);
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_bind(): GW: 0x%08"X32_F"\n",
+    ip4_addr_get_u32(&gw_addr)));
+  netif_set_gw(netif, &gw_addr);
+  /* bring the interface up */
+  netif_set_up(netif);
+  /* netif is now bound to DHCP leased address */
+  dhcp_set_state(dhcp, DHCP_BOUND);
+}
+
+/**
+ * Renew an existing DHCP lease at the involved DHCP server.
+ *
+ * @param netif network interface which must renew its lease
+ */
+err_t
+dhcp_renew(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+  err_t result;
+  u16_t msecs;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_renew()\n"));
+  dhcp_set_state(dhcp, DHCP_RENEWING);
+
+  /* create and initialize the DHCP message header */
+  result = dhcp_create_msg(netif, dhcp, DHCP_REQUEST);
+  if (result == ERR_OK) {
+    dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN);
+    dhcp_option_short(dhcp, DHCP_MAX_MSG_LEN(netif));
+
+#if LWIP_NETIF_HOSTNAME
+    if (netif->hostname != NULL) {
+      const char *p = (const char*)netif->hostname;
+      u8_t namelen = (u8_t)strlen(p);
+      if (namelen > 0) {
+        LWIP_ASSERT("DHCP: hostname is too long!", namelen < 255);
+        dhcp_option(dhcp, DHCP_OPTION_HOSTNAME, namelen);
+        while (*p) {
+          dhcp_option_byte(dhcp, *p++);
+        }
+      }
+    }
+#endif /* LWIP_NETIF_HOSTNAME */
+
+#if 0
+    dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4);
+    dhcp_option_long(dhcp, ntohl(dhcp->offered_ip_addr.addr));
+#endif
+
+#if 0
+    dhcp_option(dhcp, DHCP_OPTION_SERVER_ID, 4);
+    dhcp_option_long(dhcp, ntohl(dhcp->server_ip_addr.addr));
+#endif
+    /* append DHCP message trailer */
+    dhcp_option_trailer(dhcp);
+
+    pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len);
+
+    udp_sendto_if(dhcp->pcb, dhcp->p_out, &dhcp->server_ip_addr, DHCP_SERVER_PORT, netif);
+    dhcp_delete_msg(dhcp);
+
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_renew: RENEWING\n"));
+  } else {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_renew: could not allocate DHCP request\n"));
+  }
+  dhcp->tries++;
+  /* back-off on retries, but to a maximum of 20 seconds */
+  msecs = dhcp->tries < 10 ? dhcp->tries * 2000 : 20 * 1000;
+  dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_renew(): set request timeout %"U16_F" msecs\n", msecs));
+  return result;
+}
+
+/**
+ * Rebind with a DHCP server for an existing DHCP lease.
+ *
+ * @param netif network interface which must rebind with a DHCP server
+ */
+static err_t
+dhcp_rebind(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+  err_t result;
+  u16_t msecs;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_rebind()\n"));
+  dhcp_set_state(dhcp, DHCP_REBINDING);
+
+  /* create and initialize the DHCP message header */
+  result = dhcp_create_msg(netif, dhcp, DHCP_REQUEST);
+  if (result == ERR_OK) {
+    dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN);
+    dhcp_option_short(dhcp, DHCP_MAX_MSG_LEN(netif));
+
+#if LWIP_NETIF_HOSTNAME
+    if (netif->hostname != NULL) {
+      const char *p = (const char*)netif->hostname;
+      u8_t namelen = (u8_t)strlen(p);
+      if (namelen > 0) {
+        LWIP_ASSERT("DHCP: hostname is too long!", namelen < 255);
+        dhcp_option(dhcp, DHCP_OPTION_HOSTNAME, namelen);
+        while (*p) {
+          dhcp_option_byte(dhcp, *p++);
+        }
+      }
+    }
+#endif /* LWIP_NETIF_HOSTNAME */
+
+#if 0
+    dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4);
+    dhcp_option_long(dhcp, ntohl(dhcp->offered_ip_addr.addr));
+
+    dhcp_option(dhcp, DHCP_OPTION_SERVER_ID, 4);
+    dhcp_option_long(dhcp, ntohl(dhcp->server_ip_addr.addr));
+#endif
+
+    dhcp_option_trailer(dhcp);
+
+    pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len);
+
+    /* broadcast to server */
+    udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif);
+    dhcp_delete_msg(dhcp);
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_rebind: REBINDING\n"));
+  } else {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_rebind: could not allocate DHCP request\n"));
+  }
+  dhcp->tries++;
+  msecs = dhcp->tries < 10 ? dhcp->tries * 1000 : 10 * 1000;
+  dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_rebind(): set request timeout %"U16_F" msecs\n", msecs));
+  return result;
+}
+
+/**
+ * Enter REBOOTING state to verify an existing lease
+ *
+ * @param netif network interface which must reboot
+ */
+static err_t
+dhcp_reboot(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+  err_t result;
+  u16_t msecs;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_reboot()\n"));
+  dhcp_set_state(dhcp, DHCP_REBOOTING);
+
+  /* create and initialize the DHCP message header */
+  result = dhcp_create_msg(netif, dhcp, DHCP_REQUEST);
+  if (result == ERR_OK) {
+    dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN);
+    dhcp_option_short(dhcp, 576);
+
+    dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4);
+    dhcp_option_long(dhcp, ntohl(ip4_addr_get_u32(&dhcp->offered_ip_addr)));
+
+    dhcp_option_trailer(dhcp);
+
+    pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len);
+
+    /* broadcast to server */
+    udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif);
+    dhcp_delete_msg(dhcp);
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_reboot: REBOOTING\n"));
+  } else {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_reboot: could not allocate DHCP request\n"));
+  }
+  dhcp->tries++;
+  msecs = dhcp->tries < 10 ? dhcp->tries * 1000 : 10 * 1000;
+  dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_reboot(): set request timeout %"U16_F" msecs\n", msecs));
+  return result;
+}
+
+
+/**
+ * Release a DHCP lease.
+ *
+ * @param netif network interface which must release its lease
+ */
+err_t
+dhcp_release(struct netif *netif)
+{
+  struct dhcp *dhcp = netif->dhcp;
+  err_t result;
+  u16_t msecs;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_release()\n"));
+
+  /* idle DHCP client */
+  dhcp_set_state(dhcp, DHCP_OFF);
+  /* clean old DHCP offer */
+  ip_addr_set_zero(&dhcp->server_ip_addr);
+  ip_addr_set_zero(&dhcp->offered_ip_addr);
+  ip_addr_set_zero(&dhcp->offered_sn_mask);
+  ip_addr_set_zero(&dhcp->offered_gw_addr);
+#if LWIP_DHCP_BOOTP_FILE
+  ip_addr_set_zero(&dhcp->offered_si_addr);
+#endif /* LWIP_DHCP_BOOTP_FILE */
+  dhcp->offered_t0_lease = dhcp->offered_t1_renew = dhcp->offered_t2_rebind = 0;
+  
+  /* create and initialize the DHCP message header */
+  result = dhcp_create_msg(netif, dhcp, DHCP_RELEASE);
+  if (result == ERR_OK) {
+    dhcp_option_trailer(dhcp);
+
+    pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len);
+
+    udp_sendto_if(dhcp->pcb, dhcp->p_out, &dhcp->server_ip_addr, DHCP_SERVER_PORT, netif);
+    dhcp_delete_msg(dhcp);
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_release: RELEASED, DHCP_OFF\n"));
+  } else {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_release: could not allocate DHCP request\n"));
+  }
+  dhcp->tries++;
+  msecs = dhcp->tries < 10 ? dhcp->tries * 1000 : 10 * 1000;
+  dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_release(): set request timeout %"U16_F" msecs\n", msecs));
+  /* bring the interface down */
+  netif_set_down(netif);
+  /* remove IP address from interface */
+  netif_set_ipaddr(netif, IP_ADDR_ANY);
+  netif_set_gw(netif, IP_ADDR_ANY);
+  netif_set_netmask(netif, IP_ADDR_ANY);
+  
+  return result;
+}
+
+/**
+ * Remove the DHCP client from the interface.
+ *
+ * @param netif The network interface to stop DHCP on
+ */
+void
+dhcp_stop(struct netif *netif)
+{
+  struct dhcp *dhcp;
+  LWIP_ERROR("dhcp_stop: netif != NULL", (netif != NULL), return;);
+  dhcp = netif->dhcp;
+  /* Remove the flag that says this netif is handled by DHCP. */
+  netif->flags &= ~NETIF_FLAG_DHCP;
+
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_stop()\n"));
+  /* netif is DHCP configured? */
+  if (dhcp != NULL) {
+#if LWIP_DHCP_AUTOIP_COOP
+    if(dhcp->autoip_coop_state == DHCP_AUTOIP_COOP_STATE_ON) {
+      autoip_stop(netif);
+      dhcp->autoip_coop_state = DHCP_AUTOIP_COOP_STATE_OFF;
+    }
+#endif /* LWIP_DHCP_AUTOIP_COOP */
+
+    if (dhcp->pcb != NULL) {
+      udp_remove(dhcp->pcb);
+      dhcp->pcb = NULL;
+    }
+    LWIP_ASSERT("reply wasn't freed", dhcp->msg_in == NULL);
+    dhcp_set_state(dhcp, DHCP_OFF);
+  }
+}
+
+/*
+ * Set the DHCP state of a DHCP client.
+ *
+ * If the state changed, reset the number of tries.
+ */
+static void
+dhcp_set_state(struct dhcp *dhcp, u8_t new_state)
+{
+  if (new_state != dhcp->state) {
+    dhcp->state = new_state;
+    dhcp->tries = 0;
+    dhcp->request_timeout = 0;
+  }
+}
+
+/*
+ * Concatenate an option type and length field to the outgoing
+ * DHCP message.
+ *
+ */
+static void
+dhcp_option(struct dhcp *dhcp, u8_t option_type, u8_t option_len)
+{
+  LWIP_ASSERT("dhcp_option: dhcp->options_out_len + 2 + option_len <= DHCP_OPTIONS_LEN", dhcp->options_out_len + 2U + option_len <= DHCP_OPTIONS_LEN);
+  dhcp->msg_out->options[dhcp->options_out_len++] = option_type;
+  dhcp->msg_out->options[dhcp->options_out_len++] = option_len;
+}
+/*
+ * Concatenate a single byte to the outgoing DHCP message.
+ *
+ */
+static void
+dhcp_option_byte(struct dhcp *dhcp, u8_t value)
+{
+  LWIP_ASSERT("dhcp_option_byte: dhcp->options_out_len < DHCP_OPTIONS_LEN", dhcp->options_out_len < DHCP_OPTIONS_LEN);
+  dhcp->msg_out->options[dhcp->options_out_len++] = value;
+}
+
+static void
+dhcp_option_short(struct dhcp *dhcp, u16_t value)
+{
+  LWIP_ASSERT("dhcp_option_short: dhcp->options_out_len + 2 <= DHCP_OPTIONS_LEN", dhcp->options_out_len + 2U <= DHCP_OPTIONS_LEN);
+  dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0xff00U) >> 8);
+  dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t) (value & 0x00ffU);
+}
+
+static void
+dhcp_option_long(struct dhcp *dhcp, u32_t value)
+{
+  LWIP_ASSERT("dhcp_option_long: dhcp->options_out_len + 4 <= DHCP_OPTIONS_LEN", dhcp->options_out_len + 4U <= DHCP_OPTIONS_LEN);
+  dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0xff000000UL) >> 24);
+  dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0x00ff0000UL) >> 16);
+  dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0x0000ff00UL) >> 8);
+  dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0x000000ffUL));
+}
+
+/**
+ * Extract the DHCP message and the DHCP options.
+ *
+ * Extract the DHCP message and the DHCP options, each into a contiguous
+ * piece of memory. As a DHCP message is variable sized by its options,
+ * and also allows overriding some fields for options, the easy approach
+ * is to first unfold the options into a conitguous piece of memory, and
+ * use that further on.
+ *
+ */
+static err_t
+dhcp_parse_reply(struct dhcp *dhcp, struct pbuf *p)
+{
+  u8_t *options;
+  u16_t offset;
+  u16_t offset_max;
+  u16_t options_idx;
+  u16_t options_idx_max;
+  struct pbuf *q;
+  int parse_file_as_options = 0;
+  int parse_sname_as_options = 0;
+
+  /* clear received options */
+  dhcp_clear_all_options(dhcp);
+  /* check that beginning of dhcp_msg (up to and including chaddr) is in first pbuf */
+  if (p->len < DHCP_SNAME_OFS) {
+    return ERR_BUF;
+  }
+  dhcp->msg_in = (struct dhcp_msg *)p->payload;
+#if LWIP_DHCP_BOOTP_FILE
+  /* clear boot file name */
+  dhcp->boot_file_name[0] = 0;
+#endif /* LWIP_DHCP_BOOTP_FILE */
+
+  /* parse options */
+
+  /* start with options field */
+  options_idx = DHCP_OPTIONS_OFS;
+  /* parse options to the end of the received packet */
+  options_idx_max = p->tot_len;
+again:
+  q = p;
+  while((q != NULL) && (options_idx >= q->len)) {
+    options_idx -= q->len;
+    options_idx_max -= q->len;
+    q = q->next;
+  }
+  if (q == NULL) {
+    return ERR_BUF;
+  }
+  offset = options_idx;
+  offset_max = options_idx_max;
+  options = (u8_t*)q->payload;
+  /* at least 1 byte to read and no end marker, then at least 3 bytes to read? */
+  while((q != NULL) && (options[offset] != DHCP_OPTION_END) && (offset < offset_max)) {
+    u8_t op = options[offset];
+    u8_t len;
+    u8_t decode_len = 0;
+    int decode_idx = -1;
+    u16_t val_offset = offset + 2;
+    /* len byte might be in the next pbuf */
+    if (offset + 1 < q->len) {
+      len = options[offset + 1];
+    } else {
+      len = (q->next != NULL ? ((u8_t*)q->next->payload)[0] : 0);
+    }
+    /* LWIP_DEBUGF(DHCP_DEBUG, ("msg_offset=%"U16_F", q->len=%"U16_F, msg_offset, q->len)); */
+    decode_len = len;
+    switch(op) {
+      /* case(DHCP_OPTION_END): handled above */
+      case(DHCP_OPTION_PAD):
+        /* special option: no len encoded */
+        decode_len = len = 0;
+        /* will be increased below */
+        offset--;
+        break;
+      case(DHCP_OPTION_SUBNET_MASK):
+        LWIP_ASSERT("len == 4", len == 4);
+        decode_idx = DHCP_OPTION_IDX_SUBNET_MASK;
+        break;
+      case(DHCP_OPTION_ROUTER):
+        decode_len = 4; /* only copy the first given router */
+        LWIP_ASSERT("len >= decode_len", len >= decode_len);
+        decode_idx = DHCP_OPTION_IDX_ROUTER;
+        break;
+      case(DHCP_OPTION_DNS_SERVER):
+        /* special case: there might be more than one server */
+        LWIP_ASSERT("len % 4 == 0", len % 4 == 0);
+        /* limit number of DNS servers */
+        decode_len = LWIP_MIN(len, 4 * DNS_MAX_SERVERS);
+        LWIP_ASSERT("len >= decode_len", len >= decode_len);
+        decode_idx = DHCP_OPTION_IDX_DNS_SERVER;
+        break;
+      case(DHCP_OPTION_LEASE_TIME):
+        LWIP_ASSERT("len == 4", len == 4);
+        decode_idx = DHCP_OPTION_IDX_LEASE_TIME;
+        break;
+      case(DHCP_OPTION_OVERLOAD):
+        LWIP_ASSERT("len == 1", len == 1);
+        decode_idx = DHCP_OPTION_IDX_OVERLOAD;
+        break;
+      case(DHCP_OPTION_MESSAGE_TYPE):
+        LWIP_ASSERT("len == 1", len == 1);
+        decode_idx = DHCP_OPTION_IDX_MSG_TYPE;
+        break;
+      case(DHCP_OPTION_SERVER_ID):
+        LWIP_ASSERT("len == 4", len == 4);
+        decode_idx = DHCP_OPTION_IDX_SERVER_ID;
+        break;
+      case(DHCP_OPTION_T1):
+        LWIP_ASSERT("len == 4", len == 4);
+        decode_idx = DHCP_OPTION_IDX_T1;
+        break;
+      case(DHCP_OPTION_T2):
+        LWIP_ASSERT("len == 4", len == 4);
+        decode_idx = DHCP_OPTION_IDX_T2;
+        break;
+      default:
+        decode_len = 0;
+        LWIP_DEBUGF(DHCP_DEBUG, ("skipping option %"U16_F" in options\n", op));
+        break;
+    }
+    offset += len + 2;
+    if (decode_len > 0) {
+      u32_t value = 0;
+      u16_t copy_len;
+decode_next:
+      LWIP_ASSERT("check decode_idx", decode_idx >= 0 && decode_idx < DHCP_OPTION_IDX_MAX);
+      LWIP_ASSERT("option already decoded", !dhcp_option_given(dhcp, decode_idx));
+      copy_len = LWIP_MIN(decode_len, 4);
+      pbuf_copy_partial(q, &value, copy_len, val_offset);
+      if (decode_len > 4) {
+        /* decode more than one u32_t */
+        LWIP_ASSERT("decode_len % 4 == 0", decode_len % 4 == 0);
+        dhcp_got_option(dhcp, decode_idx);
+        dhcp_set_option_value(dhcp, decode_idx, htonl(value));
+        decode_len -= 4;
+        val_offset += 4;
+        decode_idx++;
+        goto decode_next;
+      } else if (decode_len == 4) {
+        value = ntohl(value);
+      } else {
+        LWIP_ASSERT("invalid decode_len", decode_len == 1);
+        value = ((u8_t*)&value)[0];
+      }
+      dhcp_got_option(dhcp, decode_idx);
+      dhcp_set_option_value(dhcp, decode_idx, value);
+    }
+    if (offset >= q->len) {
+      offset -= q->len;
+      offset_max -= q->len;
+      q = q->next;
+      options = (u8_t*)q->payload;
+    }
+  }
+  /* is this an overloaded message? */
+  if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_OVERLOAD)) {
+    u32_t overload = dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_OVERLOAD);
+    dhcp_clear_option(dhcp, DHCP_OPTION_IDX_OVERLOAD);
+    if (overload == DHCP_OVERLOAD_FILE) {
+      parse_file_as_options = 1;
+      LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("overloaded file field\n"));
+    } else if (overload == DHCP_OVERLOAD_SNAME) {
+      parse_sname_as_options = 1;
+      LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("overloaded sname field\n"));
+    } else if (overload == DHCP_OVERLOAD_SNAME_FILE) {
+      parse_sname_as_options = 1;
+      parse_file_as_options = 1;
+      LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("overloaded sname and file field\n"));
+    } else {
+      LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("invalid overload option: %d\n", (int)overload));
+    }
+#if LWIP_DHCP_BOOTP_FILE
+    if (!parse_file_as_options) {
+      /* only do this for ACK messages */
+      if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_MSG_TYPE) &&
+        (dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_MSG_TYPE) == DHCP_ACK))
+      /* copy bootp file name, don't care for sname (server hostname) */
+      pbuf_copy_partial(p, dhcp->boot_file_name, DHCP_FILE_LEN-1, DHCP_FILE_OFS);
+      /* make sure the string is really NULL-terminated */
+      dhcp->boot_file_name[DHCP_FILE_LEN-1] = 0;
+    }
+#endif /* LWIP_DHCP_BOOTP_FILE */
+  }
+  if (parse_file_as_options) {
+    /* if both are overloaded, parse file first and then sname (RFC 2131 ch. 4.1) */
+    parse_file_as_options = 0;
+    options_idx = DHCP_FILE_OFS;
+    options_idx_max = DHCP_FILE_OFS + DHCP_FILE_LEN;
+    goto again;
+  } else if (parse_sname_as_options) {
+    parse_sname_as_options = 0;
+    options_idx = DHCP_SNAME_OFS;
+    options_idx_max = DHCP_SNAME_OFS + DHCP_SNAME_LEN;
+    goto again;
+  }
+  return ERR_OK;
+}
+
+/**
+ * If an incoming DHCP message is in response to us, then trigger the state machine
+ */
+static void
+dhcp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port)
+{
+  struct netif *netif = (struct netif *)arg;
+  struct dhcp *dhcp = netif->dhcp;
+  struct dhcp_msg *reply_msg = (struct dhcp_msg *)p->payload;
+  u8_t msg_type;
+  u8_t i;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_recv(pbuf = %p) from DHCP server %"U16_F".%"U16_F".%"U16_F".%"U16_F" port %"U16_F"\n", (void*)p,
+    ip4_addr1_16(addr), ip4_addr2_16(addr), ip4_addr3_16(addr), ip4_addr4_16(addr), port));
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("pbuf->len = %"U16_F"\n", p->len));
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("pbuf->tot_len = %"U16_F"\n", p->tot_len));
+  /* prevent warnings about unused arguments */
+  LWIP_UNUSED_ARG(pcb);
+  LWIP_UNUSED_ARG(addr);
+  LWIP_UNUSED_ARG(port);
+
+  LWIP_ASSERT("reply wasn't freed", dhcp->msg_in == NULL);
+
+  if (p->len < DHCP_MIN_REPLY_LEN) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("DHCP reply message or pbuf too short\n"));
+    goto free_pbuf_and_return;
+  }
+
+  if (reply_msg->op != DHCP_BOOTREPLY) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("not a DHCP reply message, but type %"U16_F"\n", (u16_t)reply_msg->op));
+    goto free_pbuf_and_return;
+  }
+  /* iterate through hardware address and match against DHCP message */
+  for (i = 0; i < netif->hwaddr_len; i++) {
+    if (netif->hwaddr[i] != reply_msg->chaddr[i]) {
+      LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING,
+        ("netif->hwaddr[%"U16_F"]==%02"X16_F" != reply_msg->chaddr[%"U16_F"]==%02"X16_F"\n",
+        (u16_t)i, (u16_t)netif->hwaddr[i], (u16_t)i, (u16_t)reply_msg->chaddr[i]));
+      goto free_pbuf_and_return;
+    }
+  }
+  /* match transaction ID against what we expected */
+  if (ntohl(reply_msg->xid) != dhcp->xid) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING,
+      ("transaction id mismatch reply_msg->xid(%"X32_F")!=dhcp->xid(%"X32_F")\n",ntohl(reply_msg->xid),dhcp->xid));
+    goto free_pbuf_and_return;
+  }
+  /* option fields could be unfold? */
+  if (dhcp_parse_reply(dhcp, p) != ERR_OK) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS,
+      ("problem unfolding DHCP message - too short on memory?\n"));
+    goto free_pbuf_and_return;
+  }
+
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("searching DHCP_OPTION_MESSAGE_TYPE\n"));
+  /* obtain pointer to DHCP message type */
+  if (!dhcp_option_given(dhcp, DHCP_OPTION_IDX_MSG_TYPE)) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("DHCP_OPTION_MESSAGE_TYPE option not found\n"));
+    goto free_pbuf_and_return;
+  }
+
+  /* read DHCP message type */
+  msg_type = (u8_t)dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_MSG_TYPE);
+  /* message type is DHCP ACK? */
+  if (msg_type == DHCP_ACK) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("DHCP_ACK received\n"));
+    /* in requesting state? */
+    if (dhcp->state == DHCP_REQUESTING) {
+      dhcp_handle_ack(netif);
+#if DHCP_DOES_ARP_CHECK
+      /* check if the acknowledged lease address is already in use */
+      dhcp_check(netif);
+#else
+      /* bind interface to the acknowledged lease address */
+      dhcp_bind(netif);
+#endif
+    }
+    /* already bound to the given lease address? */
+    else if ((dhcp->state == DHCP_REBOOTING) || (dhcp->state == DHCP_REBINDING) || (dhcp->state == DHCP_RENEWING)) {
+      dhcp_bind(netif);
+    }
+  }
+  /* received a DHCP_NAK in appropriate state? */
+  else if ((msg_type == DHCP_NAK) &&
+    ((dhcp->state == DHCP_REBOOTING) || (dhcp->state == DHCP_REQUESTING) ||
+     (dhcp->state == DHCP_REBINDING) || (dhcp->state == DHCP_RENEWING  ))) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("DHCP_NAK received\n"));
+    dhcp_handle_nak(netif);
+  }
+  /* received a DHCP_OFFER in DHCP_SELECTING state? */
+  else if ((msg_type == DHCP_OFFER) && (dhcp->state == DHCP_SELECTING)) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("DHCP_OFFER received in DHCP_SELECTING state\n"));
+    dhcp->request_timeout = 0;
+    /* remember offered lease */
+    dhcp_handle_offer(netif);
+  }
+free_pbuf_and_return:
+  dhcp->msg_in = NULL;
+  pbuf_free(p);
+}
+
+/**
+ * Create a DHCP request, fill in common headers
+ *
+ * @param netif the netif under DHCP control
+ * @param dhcp dhcp control struct
+ * @param message_type message type of the request
+ */
+static err_t
+dhcp_create_msg(struct netif *netif, struct dhcp *dhcp, u8_t message_type)
+{
+  u16_t i;
+#ifndef DHCP_GLOBAL_XID
+  /** default global transaction identifier starting value (easy to match
+   *  with a packet analyser). We simply increment for each new request.
+   *  Predefine DHCP_GLOBAL_XID to a better value or a function call to generate one
+   *  at runtime, any supporting function prototypes can be defined in DHCP_GLOBAL_XID_HEADER */
+  static u32_t xid = 0xABCD0000;
+#else
+  static u32_t xid;
+  static u8_t xid_initialised = 0;
+  if (!xid_initialised) {
+    xid = DHCP_GLOBAL_XID;
+    xid_initialised = !xid_initialised;
+  }
+#endif
+  LWIP_ERROR("dhcp_create_msg: netif != NULL", (netif != NULL), return ERR_ARG;);
+  LWIP_ERROR("dhcp_create_msg: dhcp != NULL", (dhcp != NULL), return ERR_VAL;);
+  LWIP_ASSERT("dhcp_create_msg: dhcp->p_out == NULL", dhcp->p_out == NULL);
+  LWIP_ASSERT("dhcp_create_msg: dhcp->msg_out == NULL", dhcp->msg_out == NULL);
+  dhcp->p_out = pbuf_alloc(PBUF_TRANSPORT, sizeof(struct dhcp_msg), PBUF_RAM);
+  if (dhcp->p_out == NULL) {
+    LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS,
+      ("dhcp_create_msg(): could not allocate pbuf\n"));
+    return ERR_MEM;
+  }
+  LWIP_ASSERT("dhcp_create_msg: check that first pbuf can hold struct dhcp_msg",
+           (dhcp->p_out->len >= sizeof(struct dhcp_msg)));
+
+  /* reuse transaction identifier in retransmissions */
+  if (dhcp->tries == 0) {
+      xid++;
+  }
+  dhcp->xid = xid;
+  LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE,
+              ("transaction id xid(%"X32_F")\n", xid));
+
+  dhcp->msg_out = (struct dhcp_msg *)dhcp->p_out->payload;
+
+  dhcp->msg_out->op = DHCP_BOOTREQUEST;
+  /* TODO: make link layer independent */
+  dhcp->msg_out->htype = DHCP_HTYPE_ETH;
+  dhcp->msg_out->hlen = netif->hwaddr_len;
+  dhcp->msg_out->hops = 0;
+  dhcp->msg_out->xid = htonl(dhcp->xid);
+  dhcp->msg_out->secs = 0;
+  /* we don't need the broadcast flag since we can receive unicast traffic
+     before being fully configured! */
+  dhcp->msg_out->flags = 0;
+  ip_addr_set_zero(&dhcp->msg_out->ciaddr);
+  /* set ciaddr to netif->ip_addr based on message_type and state */
+  if ((message_type == DHCP_INFORM) || (message_type == DHCP_DECLINE) ||
+      ((message_type == DHCP_REQUEST) && /* DHCP_BOUND not used for sending! */
+       ((dhcp->state==DHCP_RENEWING) || dhcp->state==DHCP_REBINDING))) {
+    ip_addr_copy(dhcp->msg_out->ciaddr, netif->ip_addr);
+  }
+  ip_addr_set_zero(&dhcp->msg_out->yiaddr);
+  ip_addr_set_zero(&dhcp->msg_out->siaddr);
+  ip_addr_set_zero(&dhcp->msg_out->giaddr);
+  for (i = 0; i < DHCP_CHADDR_LEN; i++) {
+    /* copy netif hardware address, pad with zeroes */
+    dhcp->msg_out->chaddr[i] = (i < netif->hwaddr_len) ? netif->hwaddr[i] : 0/* pad byte*/;
+  }
+  for (i = 0; i < DHCP_SNAME_LEN; i++) {
+    dhcp->msg_out->sname[i] = 0;
+  }
+  for (i = 0; i < DHCP_FILE_LEN; i++) {
+    dhcp->msg_out->file[i] = 0;
+  }
+  dhcp->msg_out->cookie = PP_HTONL(DHCP_MAGIC_COOKIE);
+  dhcp->options_out_len = 0;
+  /* fill options field with an incrementing array (for debugging purposes) */
+  for (i = 0; i < DHCP_OPTIONS_LEN; i++) {
+    dhcp->msg_out->options[i] = (u8_t)i; /* for debugging only, no matter if truncated */
+  }
+  /* Add option MESSAGE_TYPE */
+  dhcp_option(dhcp, DHCP_OPTION_MESSAGE_TYPE, DHCP_OPTION_MESSAGE_TYPE_LEN);
+  dhcp_option_byte(dhcp, message_type);
+  return ERR_OK;
+}
+
+/**
+ * Free previously allocated memory used to send a DHCP request.
+ *
+ * @param dhcp the dhcp struct to free the request from
+ */
+static void
+dhcp_delete_msg(struct dhcp *dhcp)
+{
+  LWIP_ERROR("dhcp_delete_msg: dhcp != NULL", (dhcp != NULL), return;);
+  LWIP_ASSERT("dhcp_delete_msg: dhcp->p_out != NULL", dhcp->p_out != NULL);
+  LWIP_ASSERT("dhcp_delete_msg: dhcp->msg_out != NULL", dhcp->msg_out != NULL);
+  if (dhcp->p_out != NULL) {
+    pbuf_free(dhcp->p_out);
+  }
+  dhcp->p_out = NULL;
+  dhcp->msg_out = NULL;
+}
+
+/**
+ * Add a DHCP message trailer
+ *
+ * Adds the END option to the DHCP message, and if
+ * necessary, up to three padding bytes.
+ *
+ * @param dhcp DHCP state structure
+ */
+static void
+dhcp_option_trailer(struct dhcp *dhcp)
+{
+  LWIP_ERROR("dhcp_option_trailer: dhcp != NULL", (dhcp != NULL), return;);
+  LWIP_ASSERT("dhcp_option_trailer: dhcp->msg_out != NULL\n", dhcp->msg_out != NULL);
+  LWIP_ASSERT("dhcp_option_trailer: dhcp->options_out_len < DHCP_OPTIONS_LEN\n", dhcp->options_out_len < DHCP_OPTIONS_LEN);
+  dhcp->msg_out->options[dhcp->options_out_len++] = DHCP_OPTION_END;
+  /* packet is too small, or not 4 byte aligned? */
+  while ((dhcp->options_out_len < DHCP_MIN_OPTIONS_LEN) || (dhcp->options_out_len & 3)) {
+    /* LWIP_DEBUGF(DHCP_DEBUG,("dhcp_option_trailer:dhcp->options_out_len=%"U16_F", DHCP_OPTIONS_LEN=%"U16_F, dhcp->options_out_len, DHCP_OPTIONS_LEN)); */
+    LWIP_ASSERT("dhcp_option_trailer: dhcp->options_out_len < DHCP_OPTIONS_LEN\n", dhcp->options_out_len < DHCP_OPTIONS_LEN);
+    /* add a fill/padding byte */
+    dhcp->msg_out->options[dhcp->options_out_len++] = 0;
+  }
+}
+
+#endif /* LWIP_DHCP */
diff --git a/libraries/net/lwip/lwip/core/dns.c b/libraries/net/lwip/lwip/core/dns.c
new file mode 100644
index 0000000000..d63361226f
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/dns.c
@@ -0,0 +1,970 @@
+/**
+ * @file
+ * DNS - host name to IP address resolver.
+ *
+ */
+
+/**
+
+ * This file implements a DNS host name to IP address resolver.
+
+ * Port to lwIP from uIP
+ * by Jim Pettinato April 2007
+
+ * uIP version Copyright (c) 2002-2003, Adam Dunkels.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *
+ * DNS.C
+ *
+ * The lwIP DNS resolver functions are used to lookup a host name and
+ * map it to a numerical IP address. It maintains a list of resolved
+ * hostnames that can be queried with the dns_lookup() function.
+ * New hostnames can be resolved using the dns_query() function.
+ *
+ * The lwIP version of the resolver also adds a non-blocking version of
+ * gethostbyname() that will work with a raw API application. This function
+ * checks for an IP address string first and converts it if it is valid.
+ * gethostbyname() then does a dns_lookup() to see if the name is 
+ * already in the table. If so, the IP is returned. If not, a query is 
+ * issued and the function returns with a ERR_INPROGRESS status. The app
+ * using the dns client must then go into a waiting state.
+ *
+ * Once a hostname has been resolved (or found to be non-existent),
+ * the resolver code calls a specified callback function (which 
+ * must be implemented by the module that uses the resolver).
+ */
+
+/*-----------------------------------------------------------------------------
+ * RFC 1035 - Domain names - implementation and specification
+ * RFC 2181 - Clarifications to the DNS Specification
+ *----------------------------------------------------------------------------*/
+
+/** @todo: define good default values (rfc compliance) */
+/** @todo: improve answer parsing, more checkings... */
+/** @todo: check RFC1035 - 7.3. Processing responses */
+
+/*-----------------------------------------------------------------------------
+ * Includes
+ *----------------------------------------------------------------------------*/
+
+#include "lwip/opt.h"
+
+#if LWIP_DNS /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/udp.h"
+#include "lwip/mem.h"
+#include "lwip/memp.h"
+#include "lwip/dns.h"
+
+#include 
+
+/** DNS server IP address */
+#ifndef DNS_SERVER_ADDRESS
+#define DNS_SERVER_ADDRESS(ipaddr)        (ip4_addr_set_u32(ipaddr, ipaddr_addr("208.67.222.222"))) /* resolver1.opendns.com */
+#endif
+
+/** DNS server port address */
+#ifndef DNS_SERVER_PORT
+#define DNS_SERVER_PORT           53
+#endif
+
+/** DNS maximum number of retries when asking for a name, before "timeout". */
+#ifndef DNS_MAX_RETRIES
+#define DNS_MAX_RETRIES           4
+#endif
+
+/** DNS resource record max. TTL (one week as default) */
+#ifndef DNS_MAX_TTL
+#define DNS_MAX_TTL               604800
+#endif
+
+/* DNS protocol flags */
+#define DNS_FLAG1_RESPONSE        0x80
+#define DNS_FLAG1_OPCODE_STATUS   0x10
+#define DNS_FLAG1_OPCODE_INVERSE  0x08
+#define DNS_FLAG1_OPCODE_STANDARD 0x00
+#define DNS_FLAG1_AUTHORATIVE     0x04
+#define DNS_FLAG1_TRUNC           0x02
+#define DNS_FLAG1_RD              0x01
+#define DNS_FLAG2_RA              0x80
+#define DNS_FLAG2_ERR_MASK        0x0f
+#define DNS_FLAG2_ERR_NONE        0x00
+#define DNS_FLAG2_ERR_NAME        0x03
+
+/* DNS protocol states */
+#define DNS_STATE_UNUSED          0
+#define DNS_STATE_NEW             1
+#define DNS_STATE_ASKING          2
+#define DNS_STATE_DONE            3
+
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+/** DNS message header */
+struct dns_hdr {
+  PACK_STRUCT_FIELD(u16_t id);
+  PACK_STRUCT_FIELD(u8_t flags1);
+  PACK_STRUCT_FIELD(u8_t flags2);
+  PACK_STRUCT_FIELD(u16_t numquestions);
+  PACK_STRUCT_FIELD(u16_t numanswers);
+  PACK_STRUCT_FIELD(u16_t numauthrr);
+  PACK_STRUCT_FIELD(u16_t numextrarr);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+#define SIZEOF_DNS_HDR 12
+
+/** DNS query message structure.
+    No packing needed: only used locally on the stack. */
+struct dns_query {
+  /* DNS query record starts with either a domain name or a pointer
+     to a name already present somewhere in the packet. */
+  u16_t type;
+  u16_t cls;
+};
+#define SIZEOF_DNS_QUERY 4
+
+/** DNS answer message structure.
+    No packing needed: only used locally on the stack. */
+struct dns_answer {
+  /* DNS answer record starts with either a domain name or a pointer
+     to a name already present somewhere in the packet. */
+  u16_t type;
+  u16_t cls;
+  u32_t ttl;
+  u16_t len;
+};
+#define SIZEOF_DNS_ANSWER 10
+
+/** DNS table entry */
+struct dns_table_entry {
+  u8_t  state;
+  u8_t  numdns;
+  u8_t  tmr;
+  u8_t  retries;
+  u8_t  seqno;
+  u8_t  err;
+  u32_t ttl;
+  char name[DNS_MAX_NAME_LENGTH];
+  ip_addr_t ipaddr;
+  /* pointer to callback on DNS query done */
+  dns_found_callback found;
+  void *arg;
+};
+
+#if DNS_LOCAL_HOSTLIST
+
+#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC
+/** Local host-list. For hostnames in this list, no
+ *  external name resolution is performed */
+static struct local_hostlist_entry *local_hostlist_dynamic;
+#else /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
+
+/** Defining this allows the local_hostlist_static to be placed in a different
+ * linker section (e.g. FLASH) */
+#ifndef DNS_LOCAL_HOSTLIST_STORAGE_PRE
+#define DNS_LOCAL_HOSTLIST_STORAGE_PRE static
+#endif /* DNS_LOCAL_HOSTLIST_STORAGE_PRE */
+/** Defining this allows the local_hostlist_static to be placed in a different
+ * linker section (e.g. FLASH) */
+#ifndef DNS_LOCAL_HOSTLIST_STORAGE_POST
+#define DNS_LOCAL_HOSTLIST_STORAGE_POST
+#endif /* DNS_LOCAL_HOSTLIST_STORAGE_POST */
+DNS_LOCAL_HOSTLIST_STORAGE_PRE struct local_hostlist_entry local_hostlist_static[]
+  DNS_LOCAL_HOSTLIST_STORAGE_POST = DNS_LOCAL_HOSTLIST_INIT;
+
+#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
+
+static void dns_init_local();
+#endif /* DNS_LOCAL_HOSTLIST */
+
+
+/* forward declarations */
+static void dns_recv(void *s, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port);
+static void dns_check_entries(void);
+
+/*-----------------------------------------------------------------------------
+ * Globales
+ *----------------------------------------------------------------------------*/
+
+/* DNS variables */
+static struct udp_pcb        *dns_pcb;
+static u8_t                   dns_seqno;
+static struct dns_table_entry dns_table[DNS_TABLE_SIZE];
+static ip_addr_t              dns_servers[DNS_MAX_SERVERS];
+/** Contiguous buffer for processing responses */
+static u8_t                   dns_payload_buffer[LWIP_MEM_ALIGN_BUFFER(DNS_MSG_SIZE)];
+static u8_t*                  dns_payload;
+
+/**
+ * Initialize the resolver: set up the UDP pcb and configure the default server
+ * (DNS_SERVER_ADDRESS).
+ */
+void
+dns_init()
+{
+  ip_addr_t dnsserver;
+
+  dns_payload = (u8_t *)LWIP_MEM_ALIGN(dns_payload_buffer);
+  
+  /* initialize default DNS server address */
+  DNS_SERVER_ADDRESS(&dnsserver);
+
+  LWIP_DEBUGF(DNS_DEBUG, ("dns_init: initializing\n"));
+
+  /* if dns client not yet initialized... */
+  if (dns_pcb == NULL) {
+    dns_pcb = udp_new();
+
+    if (dns_pcb != NULL) {
+      /* initialize DNS table not needed (initialized to zero since it is a
+       * global variable) */
+      LWIP_ASSERT("For implicit initialization to work, DNS_STATE_UNUSED needs to be 0",
+        DNS_STATE_UNUSED == 0);
+
+      /* initialize DNS client */
+      udp_bind(dns_pcb, IP_ADDR_ANY, 0);
+      udp_recv(dns_pcb, dns_recv, NULL);
+
+      /* initialize default DNS primary server */
+      dns_setserver(0, &dnsserver);
+    }
+  }
+#if DNS_LOCAL_HOSTLIST
+  dns_init_local();
+#endif
+}
+
+/**
+ * Initialize one of the DNS servers.
+ *
+ * @param numdns the index of the DNS server to set must be < DNS_MAX_SERVERS
+ * @param dnsserver IP address of the DNS server to set
+ */
+void
+dns_setserver(u8_t numdns, ip_addr_t *dnsserver)
+{
+  if ((numdns < DNS_MAX_SERVERS) && (dns_pcb != NULL) &&
+      (dnsserver != NULL) && !ip_addr_isany(dnsserver)) {
+    dns_servers[numdns] = (*dnsserver);
+  }
+}
+
+/**
+ * Obtain one of the currently configured DNS server.
+ *
+ * @param numdns the index of the DNS server
+ * @return IP address of the indexed DNS server or "ip_addr_any" if the DNS
+ *         server has not been configured.
+ */
+ip_addr_t
+dns_getserver(u8_t numdns)
+{
+  if (numdns < DNS_MAX_SERVERS) {
+    return dns_servers[numdns];
+  } else {
+    return *IP_ADDR_ANY;
+  }
+}
+
+/**
+ * The DNS resolver client timer - handle retries and timeouts and should
+ * be called every DNS_TMR_INTERVAL milliseconds (every second by default).
+ */
+void
+dns_tmr(void)
+{
+  if (dns_pcb != NULL) {
+    LWIP_DEBUGF(DNS_DEBUG, ("dns_tmr: dns_check_entries\n"));
+    dns_check_entries();
+  }
+}
+
+#if DNS_LOCAL_HOSTLIST
+static void
+dns_init_local()
+{
+#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC && defined(DNS_LOCAL_HOSTLIST_INIT)
+  int i;
+  struct local_hostlist_entry *entry;
+  /* Dynamic: copy entries from DNS_LOCAL_HOSTLIST_INIT to list */
+  struct local_hostlist_entry local_hostlist_init[] = DNS_LOCAL_HOSTLIST_INIT;
+  size_t namelen;
+  for (i = 0; i < sizeof(local_hostlist_init) / sizeof(struct local_hostlist_entry); i++) {
+    struct local_hostlist_entry *init_entry = &local_hostlist_init[i];
+    LWIP_ASSERT("invalid host name (NULL)", init_entry->name != NULL);
+    namelen = strlen(init_entry->name);
+    LWIP_ASSERT("namelen <= DNS_LOCAL_HOSTLIST_MAX_NAMELEN", namelen <= DNS_LOCAL_HOSTLIST_MAX_NAMELEN);
+    entry = (struct local_hostlist_entry *)memp_malloc(MEMP_LOCALHOSTLIST);
+    LWIP_ASSERT("mem-error in dns_init_local", entry != NULL);
+    if (entry != NULL) {
+      entry->name = (char*)entry + sizeof(struct local_hostlist_entry);
+      MEMCPY((char*)entry->name, init_entry->name, namelen);
+      ((char*)entry->name)[namelen] = 0;
+      entry->addr = init_entry->addr;
+      entry->next = local_hostlist_dynamic;
+      local_hostlist_dynamic = entry;
+    }
+  }
+#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC && defined(DNS_LOCAL_HOSTLIST_INIT) */
+}
+
+/**
+ * Scans the local host-list for a hostname.
+ *
+ * @param hostname Hostname to look for in the local host-list
+ * @return The first IP address for the hostname in the local host-list or
+ *         IPADDR_NONE if not found.
+ */
+static u32_t
+dns_lookup_local(const char *hostname)
+{
+#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC
+  struct local_hostlist_entry *entry = local_hostlist_dynamic;
+  while(entry != NULL) {
+    if(strcmp(entry->name, hostname) == 0) {
+      return ip4_addr_get_u32(&entry->addr);
+    }
+    entry = entry->next;
+  }
+#else /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
+  int i;
+  for (i = 0; i < sizeof(local_hostlist_static) / sizeof(struct local_hostlist_entry); i++) {
+    if(strcmp(local_hostlist_static[i].name, hostname) == 0) {
+      return ip4_addr_get_u32(&local_hostlist_static[i].addr);
+    }
+  }
+#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
+  return IPADDR_NONE;
+}
+
+#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC
+/** Remove all entries from the local host-list for a specific hostname
+ * and/or IP addess
+ *
+ * @param hostname hostname for which entries shall be removed from the local
+ *                 host-list
+ * @param addr address for which entries shall be removed from the local host-list
+ * @return the number of removed entries
+ */
+int
+dns_local_removehost(const char *hostname, const ip_addr_t *addr)
+{
+  int removed = 0;
+  struct local_hostlist_entry *entry = local_hostlist_dynamic;
+  struct local_hostlist_entry *last_entry = NULL;
+  while (entry != NULL) {
+    if (((hostname == NULL) || !strcmp(entry->name, hostname)) &&
+        ((addr == NULL) || ip_addr_cmp(&entry->addr, addr))) {
+      struct local_hostlist_entry *free_entry;
+      if (last_entry != NULL) {
+        last_entry->next = entry->next;
+      } else {
+        local_hostlist_dynamic = entry->next;
+      }
+      free_entry = entry;
+      entry = entry->next;
+      memp_free(MEMP_LOCALHOSTLIST, free_entry);
+      removed++;
+    } else {
+      last_entry = entry;
+      entry = entry->next;
+    }
+  }
+  return removed;
+}
+
+/**
+ * Add a hostname/IP address pair to the local host-list.
+ * Duplicates are not checked.
+ *
+ * @param hostname hostname of the new entry
+ * @param addr IP address of the new entry
+ * @return ERR_OK if succeeded or ERR_MEM on memory error
+ */
+err_t
+dns_local_addhost(const char *hostname, const ip_addr_t *addr)
+{
+  struct local_hostlist_entry *entry;
+  size_t namelen;
+  LWIP_ASSERT("invalid host name (NULL)", hostname != NULL);
+  namelen = strlen(hostname);
+  LWIP_ASSERT("namelen <= DNS_LOCAL_HOSTLIST_MAX_NAMELEN", namelen <= DNS_LOCAL_HOSTLIST_MAX_NAMELEN);
+  entry = (struct local_hostlist_entry *)memp_malloc(MEMP_LOCALHOSTLIST);
+  if (entry == NULL) {
+    return ERR_MEM;
+  }
+  entry->name = (char*)entry + sizeof(struct local_hostlist_entry);
+  MEMCPY((char*)entry->name, hostname, namelen);
+  ((char*)entry->name)[namelen] = 0;
+  ip_addr_copy(entry->addr, *addr);
+  entry->next = local_hostlist_dynamic;
+  local_hostlist_dynamic = entry;
+  return ERR_OK;
+}
+#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC*/
+#endif /* DNS_LOCAL_HOSTLIST */
+
+/**
+ * Look up a hostname in the array of known hostnames.
+ *
+ * @note This function only looks in the internal array of known
+ * hostnames, it does not send out a query for the hostname if none
+ * was found. The function dns_enqueue() can be used to send a query
+ * for a hostname.
+ *
+ * @param name the hostname to look up
+ * @return the hostname's IP address, as u32_t (instead of ip_addr_t to
+ *         better check for failure: != IPADDR_NONE) or IPADDR_NONE if the hostname
+ *         was not found in the cached dns_table.
+ */
+static u32_t
+dns_lookup(const char *name)
+{
+  u8_t i;
+#if DNS_LOCAL_HOSTLIST || defined(DNS_LOOKUP_LOCAL_EXTERN)
+  u32_t addr;
+#endif /* DNS_LOCAL_HOSTLIST || defined(DNS_LOOKUP_LOCAL_EXTERN) */
+#if DNS_LOCAL_HOSTLIST
+  if ((addr = dns_lookup_local(name)) != IPADDR_NONE) {
+    return addr;
+  }
+#endif /* DNS_LOCAL_HOSTLIST */
+#ifdef DNS_LOOKUP_LOCAL_EXTERN
+  if((addr = DNS_LOOKUP_LOCAL_EXTERN(name)) != IPADDR_NONE) {
+    return addr;
+  }
+#endif /* DNS_LOOKUP_LOCAL_EXTERN */
+
+  /* Walk through name list, return entry if found. If not, return NULL. */
+  for (i = 0; i < DNS_TABLE_SIZE; ++i) {
+    if ((dns_table[i].state == DNS_STATE_DONE) &&
+        (strcmp(name, dns_table[i].name) == 0)) {
+      LWIP_DEBUGF(DNS_DEBUG, ("dns_lookup: \"%s\": found = ", name));
+      ip_addr_debug_print(DNS_DEBUG, &(dns_table[i].ipaddr));
+      LWIP_DEBUGF(DNS_DEBUG, ("\n"));
+      return ip4_addr_get_u32(&dns_table[i].ipaddr);
+    }
+  }
+
+  return IPADDR_NONE;
+}
+
+#if DNS_DOES_NAME_CHECK
+/**
+ * Compare the "dotted" name "query" with the encoded name "response"
+ * to make sure an answer from the DNS server matches the current dns_table
+ * entry (otherwise, answers might arrive late for hostname not on the list
+ * any more).
+ *
+ * @param query hostname (not encoded) from the dns_table
+ * @param response encoded hostname in the DNS response
+ * @return 0: names equal; 1: names differ
+ */
+static u8_t
+dns_compare_name(unsigned char *query, unsigned char *response)
+{
+  unsigned char n;
+
+  do {
+    n = *response++;
+    /** @see RFC 1035 - 4.1.4. Message compression */
+    if ((n & 0xc0) == 0xc0) {
+      /* Compressed name */
+      break;
+    } else {
+      /* Not compressed name */
+      while (n > 0) {
+        if ((*query) != (*response)) {
+          return 1;
+        }
+        ++response;
+        ++query;
+        --n;
+      };
+      ++query;
+    }
+  } while (*response != 0);
+
+  return 0;
+}
+#endif /* DNS_DOES_NAME_CHECK */
+
+/**
+ * Walk through a compact encoded DNS name and return the end of the name.
+ *
+ * @param query encoded DNS name in the DNS server response
+ * @return end of the name
+ */
+static unsigned char *
+dns_parse_name(unsigned char *query)
+{
+  unsigned char n;
+
+  do {
+    n = *query++;
+    /** @see RFC 1035 - 4.1.4. Message compression */
+    if ((n & 0xc0) == 0xc0) {
+      /* Compressed name */
+      break;
+    } else {
+      /* Not compressed name */
+      while (n > 0) {
+        ++query;
+        --n;
+      };
+    }
+  } while (*query != 0);
+
+  return query + 1;
+}
+
+/**
+ * Send a DNS query packet.
+ *
+ * @param numdns index of the DNS server in the dns_servers table
+ * @param name hostname to query
+ * @param id index of the hostname in dns_table, used as transaction ID in the
+ *        DNS query packet
+ * @return ERR_OK if packet is sent; an err_t indicating the problem otherwise
+ */
+static err_t
+dns_send(u8_t numdns, const char* name, u8_t id)
+{
+  err_t err;
+  struct dns_hdr *hdr;
+  struct dns_query qry;
+  struct pbuf *p;
+  char *query, *nptr;
+  const char *pHostname;
+  u8_t n;
+
+  LWIP_DEBUGF(DNS_DEBUG, ("dns_send: dns_servers[%"U16_F"] \"%s\": request\n",
+              (u16_t)(numdns), name));
+  LWIP_ASSERT("dns server out of array", numdns < DNS_MAX_SERVERS);
+  LWIP_ASSERT("dns server has no IP address set", !ip_addr_isany(&dns_servers[numdns]));
+
+  /* if here, we have either a new query or a retry on a previous query to process */
+  p = pbuf_alloc(PBUF_TRANSPORT, SIZEOF_DNS_HDR + DNS_MAX_NAME_LENGTH +
+                 SIZEOF_DNS_QUERY, PBUF_RAM);
+  if (p != NULL) {
+    LWIP_ASSERT("pbuf must be in one piece", p->next == NULL);
+    /* fill dns header */
+    hdr = (struct dns_hdr*)p->payload;
+    memset(hdr, 0, SIZEOF_DNS_HDR);
+    hdr->id = htons(id);
+    hdr->flags1 = DNS_FLAG1_RD;
+    hdr->numquestions = PP_HTONS(1);
+    query = (char*)hdr + SIZEOF_DNS_HDR;
+    pHostname = name;
+    --pHostname;
+
+    /* convert hostname into suitable query format. */
+    do {
+      ++pHostname;
+      nptr = query;
+      ++query;
+      for(n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) {
+        *query = *pHostname;
+        ++query;
+        ++n;
+      }
+      *nptr = n;
+    } while(*pHostname != 0);
+    *query++='\0';
+
+    /* fill dns query */
+    qry.type = PP_HTONS(DNS_RRTYPE_A);
+    qry.cls = PP_HTONS(DNS_RRCLASS_IN);
+    SMEMCPY(query, &qry, SIZEOF_DNS_QUERY);
+
+    /* resize pbuf to the exact dns query */
+    pbuf_realloc(p, (u16_t)((query + SIZEOF_DNS_QUERY) - ((char*)(p->payload))));
+
+    /* connect to the server for faster receiving */
+    udp_connect(dns_pcb, &dns_servers[numdns], DNS_SERVER_PORT);
+    /* send dns packet */
+    err = udp_sendto(dns_pcb, p, &dns_servers[numdns], DNS_SERVER_PORT);
+
+    /* free pbuf */
+    pbuf_free(p);
+  } else {
+    err = ERR_MEM;
+  }
+
+  return err;
+}
+
+/**
+ * dns_check_entry() - see if pEntry has not yet been queried and, if so, sends out a query.
+ * Check an entry in the dns_table:
+ * - send out query for new entries
+ * - retry old pending entries on timeout (also with different servers)
+ * - remove completed entries from the table if their TTL has expired
+ *
+ * @param i index of the dns_table entry to check
+ */
+static void
+dns_check_entry(u8_t i)
+{
+  err_t err;
+  struct dns_table_entry *pEntry = &dns_table[i];
+
+  LWIP_ASSERT("array index out of bounds", i < DNS_TABLE_SIZE);
+
+  switch(pEntry->state) {
+
+    case DNS_STATE_NEW: {
+      /* initialize new entry */
+      pEntry->state   = DNS_STATE_ASKING;
+      pEntry->numdns  = 0;
+      pEntry->tmr     = 1;
+      pEntry->retries = 0;
+      
+      /* send DNS packet for this entry */
+      err = dns_send(pEntry->numdns, pEntry->name, i);
+      if (err != ERR_OK) {
+        LWIP_DEBUGF(DNS_DEBUG | LWIP_DBG_LEVEL_WARNING,
+                    ("dns_send returned error: %s\n", lwip_strerr(err)));
+      }
+      break;
+    }
+
+    case DNS_STATE_ASKING: {
+      if (--pEntry->tmr == 0) {
+        if (++pEntry->retries == DNS_MAX_RETRIES) {
+          if ((pEntry->numdns+1numdns+1])) {
+            /* change of server */
+            pEntry->numdns++;
+            pEntry->tmr     = 1;
+            pEntry->retries = 0;
+            break;
+          } else {
+            LWIP_DEBUGF(DNS_DEBUG, ("dns_check_entry: \"%s\": timeout\n", pEntry->name));
+            /* call specified callback function if provided */
+            if (pEntry->found)
+              (*pEntry->found)(pEntry->name, NULL, pEntry->arg);
+            /* flush this entry */
+            pEntry->state   = DNS_STATE_UNUSED;
+            pEntry->found   = NULL;
+            break;
+          }
+        }
+
+        /* wait longer for the next retry */
+        pEntry->tmr = pEntry->retries;
+
+        /* send DNS packet for this entry */
+        err = dns_send(pEntry->numdns, pEntry->name, i);
+        if (err != ERR_OK) {
+          LWIP_DEBUGF(DNS_DEBUG | LWIP_DBG_LEVEL_WARNING,
+                      ("dns_send returned error: %s\n", lwip_strerr(err)));
+        }
+      }
+      break;
+    }
+
+    case DNS_STATE_DONE: {
+      /* if the time to live is nul */
+      if (--pEntry->ttl == 0) {
+        LWIP_DEBUGF(DNS_DEBUG, ("dns_check_entry: \"%s\": flush\n", pEntry->name));
+        /* flush this entry */
+        pEntry->state = DNS_STATE_UNUSED;
+        pEntry->found = NULL;
+      }
+      break;
+    }
+    case DNS_STATE_UNUSED:
+      /* nothing to do */
+      break;
+    default:
+      LWIP_ASSERT("unknown dns_table entry state:", 0);
+      break;
+  }
+}
+
+/**
+ * Call dns_check_entry for each entry in dns_table - check all entries.
+ */
+static void
+dns_check_entries(void)
+{
+  u8_t i;
+
+  for (i = 0; i < DNS_TABLE_SIZE; ++i) {
+    dns_check_entry(i);
+  }
+}
+
+/**
+ * Receive input function for DNS response packets arriving for the dns UDP pcb.
+ *
+ * @params see udp.h
+ */
+static void
+dns_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port)
+{
+  u16_t i;
+  char *pHostname;
+  struct dns_hdr *hdr;
+  struct dns_answer ans;
+  struct dns_table_entry *pEntry;
+  u16_t nquestions, nanswers;
+
+  LWIP_UNUSED_ARG(arg);
+  LWIP_UNUSED_ARG(pcb);
+  LWIP_UNUSED_ARG(addr);
+  LWIP_UNUSED_ARG(port);
+
+  /* is the dns message too big ? */
+  if (p->tot_len > DNS_MSG_SIZE) {
+    LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: pbuf too big\n"));
+    /* free pbuf and return */
+    goto memerr;
+  }
+
+  /* is the dns message big enough ? */
+  if (p->tot_len < (SIZEOF_DNS_HDR + SIZEOF_DNS_QUERY + SIZEOF_DNS_ANSWER)) {
+    LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: pbuf too small\n"));
+    /* free pbuf and return */
+    goto memerr;
+  }
+
+  /* copy dns payload inside static buffer for processing */ 
+  if (pbuf_copy_partial(p, dns_payload, p->tot_len, 0) == p->tot_len) {
+    /* The ID in the DNS header should be our entry into the name table. */
+    hdr = (struct dns_hdr*)dns_payload;
+    i = htons(hdr->id);
+    if (i < DNS_TABLE_SIZE) {
+      pEntry = &dns_table[i];
+      if(pEntry->state == DNS_STATE_ASKING) {
+        /* This entry is now completed. */
+        pEntry->state = DNS_STATE_DONE;
+        pEntry->err   = hdr->flags2 & DNS_FLAG2_ERR_MASK;
+
+        /* We only care about the question(s) and the answers. The authrr
+           and the extrarr are simply discarded. */
+        nquestions = htons(hdr->numquestions);
+        nanswers   = htons(hdr->numanswers);
+
+        /* Check for error. If so, call callback to inform. */
+        if (((hdr->flags1 & DNS_FLAG1_RESPONSE) == 0) || (pEntry->err != 0) || (nquestions != 1)) {
+          LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: \"%s\": error in flags\n", pEntry->name));
+          /* call callback to indicate error, clean up memory and return */
+          goto responseerr;
+        }
+
+#if DNS_DOES_NAME_CHECK
+        /* Check if the name in the "question" part match with the name in the entry. */
+        if (dns_compare_name((unsigned char *)(pEntry->name), (unsigned char *)dns_payload + SIZEOF_DNS_HDR) != 0) {
+          LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: \"%s\": response not match to query\n", pEntry->name));
+          /* call callback to indicate error, clean up memory and return */
+          goto responseerr;
+        }
+#endif /* DNS_DOES_NAME_CHECK */
+
+        /* Skip the name in the "question" part */
+        pHostname = (char *) dns_parse_name((unsigned char *)dns_payload + SIZEOF_DNS_HDR) + SIZEOF_DNS_QUERY;
+
+        while (nanswers > 0) {
+          /* skip answer resource record's host name */
+          pHostname = (char *) dns_parse_name((unsigned char *)pHostname);
+
+          /* Check for IP address type and Internet class. Others are discarded. */
+          SMEMCPY(&ans, pHostname, SIZEOF_DNS_ANSWER);
+          if((ans.type == PP_HTONS(DNS_RRTYPE_A)) && (ans.cls == PP_HTONS(DNS_RRCLASS_IN)) &&
+             (ans.len == PP_HTONS(sizeof(ip_addr_t))) ) {
+            /* read the answer resource record's TTL, and maximize it if needed */
+            pEntry->ttl = ntohl(ans.ttl);
+            if (pEntry->ttl > DNS_MAX_TTL) {
+              pEntry->ttl = DNS_MAX_TTL;
+            }
+            /* read the IP address after answer resource record's header */
+            SMEMCPY(&(pEntry->ipaddr), (pHostname+SIZEOF_DNS_ANSWER), sizeof(ip_addr_t));
+            LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: \"%s\": response = ", pEntry->name));
+            ip_addr_debug_print(DNS_DEBUG, (&(pEntry->ipaddr)));
+            LWIP_DEBUGF(DNS_DEBUG, ("\n"));
+            /* call specified callback function if provided */
+            if (pEntry->found) {
+              (*pEntry->found)(pEntry->name, &pEntry->ipaddr, pEntry->arg);
+            }
+            /* deallocate memory and return */
+            goto memerr;
+          } else {
+            pHostname = pHostname + SIZEOF_DNS_ANSWER + htons(ans.len);
+          }
+          --nanswers;
+        }
+        LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: \"%s\": error in response\n", pEntry->name));
+        /* call callback to indicate error, clean up memory and return */
+        goto responseerr;
+      }
+    }
+  }
+
+  /* deallocate memory and return */
+  goto memerr;
+
+responseerr:
+  /* ERROR: call specified callback function with NULL as name to indicate an error */
+  if (pEntry->found) {
+    (*pEntry->found)(pEntry->name, NULL, pEntry->arg);
+  }
+  /* flush this entry */
+  pEntry->state = DNS_STATE_UNUSED;
+  pEntry->found = NULL;
+
+memerr:
+  /* free pbuf */
+  pbuf_free(p);
+  return;
+}
+
+/**
+ * Queues a new hostname to resolve and sends out a DNS query for that hostname
+ *
+ * @param name the hostname that is to be queried
+ * @param found a callback founction to be called on success, failure or timeout
+ * @param callback_arg argument to pass to the callback function
+ * @return @return a err_t return code.
+ */
+static err_t
+dns_enqueue(const char *name, dns_found_callback found, void *callback_arg)
+{
+  u8_t i;
+  u8_t lseq, lseqi;
+  struct dns_table_entry *pEntry = NULL;
+  size_t namelen;
+
+  /* search an unused entry, or the oldest one */
+  lseq = lseqi = 0;
+  for (i = 0; i < DNS_TABLE_SIZE; ++i) {
+    pEntry = &dns_table[i];
+    /* is it an unused entry ? */
+    if (pEntry->state == DNS_STATE_UNUSED)
+      break;
+
+    /* check if this is the oldest completed entry */
+    if (pEntry->state == DNS_STATE_DONE) {
+      if ((dns_seqno - pEntry->seqno) > lseq) {
+        lseq = dns_seqno - pEntry->seqno;
+        lseqi = i;
+      }
+    }
+  }
+
+  /* if we don't have found an unused entry, use the oldest completed one */
+  if (i == DNS_TABLE_SIZE) {
+    if ((lseqi >= DNS_TABLE_SIZE) || (dns_table[lseqi].state != DNS_STATE_DONE)) {
+      /* no entry can't be used now, table is full */
+      LWIP_DEBUGF(DNS_DEBUG, ("dns_enqueue: \"%s\": DNS entries table is full\n", name));
+      return ERR_MEM;
+    } else {
+      /* use the oldest completed one */
+      i = lseqi;
+      pEntry = &dns_table[i];
+    }
+  }
+
+  /* use this entry */
+  LWIP_DEBUGF(DNS_DEBUG, ("dns_enqueue: \"%s\": use DNS entry %"U16_F"\n", name, (u16_t)(i)));
+
+  /* fill the entry */
+  pEntry->state = DNS_STATE_NEW;
+  pEntry->seqno = dns_seqno++;
+  pEntry->found = found;
+  pEntry->arg   = callback_arg;
+  namelen = LWIP_MIN(strlen(name), DNS_MAX_NAME_LENGTH-1);
+  MEMCPY(pEntry->name, name, namelen);
+  pEntry->name[namelen] = 0;
+
+  /* force to send query without waiting timer */
+  dns_check_entry(i);
+
+  /* dns query is enqueued */
+  return ERR_INPROGRESS;
+}
+
+/**
+ * Resolve a hostname (string) into an IP address.
+ * NON-BLOCKING callback version for use with raw API!!!
+ *
+ * Returns immediately with one of err_t return codes:
+ * - ERR_OK if hostname is a valid IP address string or the host
+ *   name is already in the local names table.
+ * - ERR_INPROGRESS enqueue a request to be sent to the DNS server
+ *   for resolution if no errors are present.
+ * - ERR_ARG: dns client not initialized or invalid hostname
+ *
+ * @param hostname the hostname that is to be queried
+ * @param addr pointer to a ip_addr_t where to store the address if it is already
+ *             cached in the dns_table (only valid if ERR_OK is returned!)
+ * @param found a callback function to be called on success, failure or timeout (only if
+ *              ERR_INPROGRESS is returned!)
+ * @param callback_arg argument to pass to the callback function
+ * @return a err_t return code.
+ */
+err_t
+dns_gethostbyname(const char *hostname, ip_addr_t *addr, dns_found_callback found,
+                  void *callback_arg)
+{
+  u32_t ipaddr;
+  /* not initialized or no valid server yet, or invalid addr pointer
+   * or invalid hostname or invalid hostname length */
+  if ((dns_pcb == NULL) || (addr == NULL) ||
+      (!hostname) || (!hostname[0]) ||
+      (strlen(hostname) >= DNS_MAX_NAME_LENGTH)) {
+    return ERR_ARG;
+  }
+
+#if LWIP_HAVE_LOOPIF
+  if (strcmp(hostname, "localhost")==0) {
+    ip_addr_set_loopback(addr);
+    return ERR_OK;
+  }
+#endif /* LWIP_HAVE_LOOPIF */
+
+  /* host name already in octet notation? set ip addr and return ERR_OK */
+  ipaddr = ipaddr_addr(hostname);
+  if (ipaddr == IPADDR_NONE) {
+    /* already have this address cached? */
+    ipaddr = dns_lookup(hostname);
+  }
+  if (ipaddr != IPADDR_NONE) {
+    ip4_addr_set_u32(addr, ipaddr);
+    return ERR_OK;
+  }
+
+  /* queue query with specified callback */
+  return dns_enqueue(hostname, found, callback_arg);
+}
+
+#endif /* LWIP_DNS */
diff --git a/libraries/net/lwip/lwip/core/init.c b/libraries/net/lwip/lwip/core/init.c
new file mode 100644
index 0000000000..bf5c79da0d
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/init.c
@@ -0,0 +1,306 @@
+/**
+ * @file
+ * Modules initialization
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#include "lwip/init.h"
+#include "lwip/stats.h"
+#include "lwip/sys.h"
+#include "lwip/mem.h"
+#include "lwip/memp.h"
+#include "lwip/pbuf.h"
+#include "lwip/netif.h"
+#include "lwip/sockets.h"
+#include "lwip/ip.h"
+#include "lwip/raw.h"
+#include "lwip/udp.h"
+#include "lwip/tcp_impl.h"
+#include "lwip/snmp_msg.h"
+#include "lwip/autoip.h"
+#include "lwip/igmp.h"
+#include "lwip/dns.h"
+#include "lwip/timers.h"
+#include "netif/etharp.h"
+
+/* Compile-time sanity checks for configuration errors.
+ * These can be done independently of LWIP_DEBUG, without penalty.
+ */
+#ifndef BYTE_ORDER
+  #error "BYTE_ORDER is not defined, you have to define it in your cc.h"
+#endif
+#if (!IP_SOF_BROADCAST && IP_SOF_BROADCAST_RECV)
+  #error "If you want to use broadcast filter per pcb on recv operations, you have to define IP_SOF_BROADCAST=1 in your lwipopts.h"
+#endif
+#if (!LWIP_ARP && ARP_QUEUEING)
+  #error "If you want to use ARP Queueing, you have to define LWIP_ARP=1 in your lwipopts.h"
+#endif
+#if (!LWIP_UDP && LWIP_UDPLITE)
+  #error "If you want to use UDP Lite, you have to define LWIP_UDP=1 in your lwipopts.h"
+#endif
+#if (!LWIP_UDP && LWIP_SNMP)
+  #error "If you want to use SNMP, you have to define LWIP_UDP=1 in your lwipopts.h"
+#endif
+#if (!LWIP_UDP && LWIP_DHCP)
+  #error "If you want to use DHCP, you have to define LWIP_UDP=1 in your lwipopts.h"
+#endif
+#if (!LWIP_UDP && LWIP_IGMP)
+  #error "If you want to use IGMP, you have to define LWIP_UDP=1 in your lwipopts.h"
+#endif
+#if (!LWIP_UDP && LWIP_SNMP)
+  #error "If you want to use SNMP, you have to define LWIP_UDP=1 in your lwipopts.h"
+#endif
+#if (!LWIP_UDP && LWIP_DNS)
+  #error "If you want to use DNS, you have to define LWIP_UDP=1 in your lwipopts.h"
+#endif
+#if (LWIP_ARP && ARP_QUEUEING && (MEMP_NUM_ARP_QUEUE<=0))
+  #error "If you want to use ARP Queueing, you have to define MEMP_NUM_ARP_QUEUE>=1 in your lwipopts.h"
+#endif
+#if (LWIP_RAW && (MEMP_NUM_RAW_PCB<=0))
+  #error "If you want to use RAW, you have to define MEMP_NUM_RAW_PCB>=1 in your lwipopts.h"
+#endif
+#if (LWIP_UDP && (MEMP_NUM_UDP_PCB<=0))
+  #error "If you want to use UDP, you have to define MEMP_NUM_UDP_PCB>=1 in your lwipopts.h"
+#endif
+#if (LWIP_TCP && (MEMP_NUM_TCP_PCB<=0))
+  #error "If you want to use TCP, you have to define MEMP_NUM_TCP_PCB>=1 in your lwipopts.h"
+#endif
+#if (LWIP_TCP && (TCP_WND > 0xffff))
+  #error "If you want to use TCP, TCP_WND must fit in an u16_t, so, you have to reduce it in your lwipopts.h"
+#endif
+#if (LWIP_TCP && (TCP_SND_QUEUELEN > 0xffff))
+  #error "If you want to use TCP, TCP_SND_QUEUELEN must fit in an u16_t, so, you have to reduce it in your lwipopts.h"
+#endif
+#if (LWIP_TCP && (TCP_SND_QUEUELEN < 2))
+  #error "TCP_SND_QUEUELEN must be at least 2 for no-copy TCP writes to work"
+#endif
+#if (LWIP_TCP && ((TCP_MAXRTX > 12) || (TCP_SYNMAXRTX > 12)))
+  #error "If you want to use TCP, TCP_MAXRTX and TCP_SYNMAXRTX must less or equal to 12 (due to tcp_backoff table), so, you have to reduce them in your lwipopts.h"
+#endif
+#if (LWIP_TCP && TCP_LISTEN_BACKLOG && (TCP_DEFAULT_LISTEN_BACKLOG < 0) || (TCP_DEFAULT_LISTEN_BACKLOG > 0xff))
+  #error "If you want to use TCP backlog, TCP_DEFAULT_LISTEN_BACKLOG must fit into an u8_t"
+#endif
+#if (LWIP_IGMP && (MEMP_NUM_IGMP_GROUP<=1))
+  #error "If you want to use IGMP, you have to define MEMP_NUM_IGMP_GROUP>1 in your lwipopts.h"
+#endif
+#if (LWIP_NETIF_API && (NO_SYS==1))
+  #error "If you want to use NETIF API, you have to define NO_SYS=0 in your lwipopts.h"
+#endif
+#if ((LWIP_SOCKET || LWIP_NETCONN) && (NO_SYS==1))
+  #error "If you want to use Sequential API, you have to define NO_SYS=0 in your lwipopts.h"
+#endif
+#if ((LWIP_NETCONN || LWIP_SOCKET) && (MEMP_NUM_TCPIP_MSG_API<=0))
+  #error "If you want to use Sequential API, you have to define MEMP_NUM_TCPIP_MSG_API>=1 in your lwipopts.h"
+#endif
+#if (!LWIP_NETCONN && LWIP_SOCKET)
+  #error "If you want to use Socket API, you have to define LWIP_NETCONN=1 in your lwipopts.h"
+#endif
+#if (((!LWIP_DHCP) || (!LWIP_AUTOIP)) && LWIP_DHCP_AUTOIP_COOP)
+  #error "If you want to use DHCP/AUTOIP cooperation mode, you have to define LWIP_DHCP=1 and LWIP_AUTOIP=1 in your lwipopts.h"
+#endif
+#if (((!LWIP_DHCP) || (!LWIP_ARP)) && DHCP_DOES_ARP_CHECK)
+  #error "If you want to use DHCP ARP checking, you have to define LWIP_DHCP=1 and LWIP_ARP=1 in your lwipopts.h"
+#endif
+#if (!LWIP_ARP && LWIP_AUTOIP)
+  #error "If you want to use AUTOIP, you have to define LWIP_ARP=1 in your lwipopts.h"
+#endif
+#if (LWIP_SNMP && (SNMP_CONCURRENT_REQUESTS<=0))
+  #error "If you want to use SNMP, you have to define SNMP_CONCURRENT_REQUESTS>=1 in your lwipopts.h"
+#endif
+#if (LWIP_SNMP && (SNMP_TRAP_DESTINATIONS<=0))
+  #error "If you want to use SNMP, you have to define SNMP_TRAP_DESTINATIONS>=1 in your lwipopts.h"
+#endif
+#if (LWIP_TCP && ((LWIP_EVENT_API && LWIP_CALLBACK_API) || (!LWIP_EVENT_API && !LWIP_CALLBACK_API)))
+  #error "One and exactly one of LWIP_EVENT_API and LWIP_CALLBACK_API has to be enabled in your lwipopts.h"
+#endif
+/* There must be sufficient timeouts, taking into account requirements of the subsystems. */
+#if LWIP_TIMERS && (MEMP_NUM_SYS_TIMEOUT < (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_DNS + PPP_SUPPORT))
+  #error "MEMP_NUM_SYS_TIMEOUT is too low to accomodate all required timeouts"
+#endif
+#if (IP_REASSEMBLY && (MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS))
+  #error "MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS doesn't make sense since each struct ip_reassdata must hold 2 pbufs at least!"
+#endif
+#if (MEM_LIBC_MALLOC && MEM_USE_POOLS)
+  #error "MEM_LIBC_MALLOC and MEM_USE_POOLS may not both be simultaneously enabled in your lwipopts.h"
+#endif
+#if (MEM_USE_POOLS && !MEMP_USE_CUSTOM_POOLS)
+  #error "MEM_USE_POOLS requires custom pools (MEMP_USE_CUSTOM_POOLS) to be enabled in your lwipopts.h"
+#endif
+#if (PBUF_POOL_BUFSIZE <= MEM_ALIGNMENT)
+  #error "PBUF_POOL_BUFSIZE must be greater than MEM_ALIGNMENT or the offset may take the full first pbuf"
+#endif
+#if (TCP_QUEUE_OOSEQ && !LWIP_TCP)
+  #error "TCP_QUEUE_OOSEQ requires LWIP_TCP"
+#endif
+#if (DNS_LOCAL_HOSTLIST && !DNS_LOCAL_HOSTLIST_IS_DYNAMIC && !(defined(DNS_LOCAL_HOSTLIST_INIT)))
+  #error "you have to define define DNS_LOCAL_HOSTLIST_INIT {{'host1', 0x123}, {'host2', 0x234}} to initialize DNS_LOCAL_HOSTLIST"
+#endif
+#if PPP_SUPPORT && !PPPOS_SUPPORT & !PPPOE_SUPPORT
+  #error "PPP_SUPPORT needs either PPPOS_SUPPORT or PPPOE_SUPPORT turned on"
+#endif
+#if !LWIP_ETHERNET && (LWIP_ARP || PPPOE_SUPPORT)
+  #error "LWIP_ETHERNET needs to be turned on for LWIP_ARP or PPPOE_SUPPORT"
+#endif
+#if LWIP_IGMP && !defined(LWIP_RAND)
+  #error "When using IGMP, LWIP_RAND() needs to be defined to a random-function returning an u32_t random value"
+#endif
+#if LWIP_TCPIP_CORE_LOCKING_INPUT && !LWIP_TCPIP_CORE_LOCKING
+  #error "When using LWIP_TCPIP_CORE_LOCKING_INPUT, LWIP_TCPIP_CORE_LOCKING must be enabled, too"
+#endif
+#if LWIP_TCP && LWIP_NETIF_TX_SINGLE_PBUF && !TCP_OVERSIZE
+  #error "LWIP_NETIF_TX_SINGLE_PBUF needs TCP_OVERSIZE enabled to create single-pbuf TCP packets"
+#endif
+#if IP_FRAG && IP_FRAG_USES_STATIC_BUF && LWIP_NETIF_TX_SINGLE_PBUF
+  #error "LWIP_NETIF_TX_SINGLE_PBUF does not work with IP_FRAG_USES_STATIC_BUF==1 as that creates pbuf queues"
+#endif
+
+
+/* Compile-time checks for deprecated options.
+ */
+#ifdef MEMP_NUM_TCPIP_MSG
+  #error "MEMP_NUM_TCPIP_MSG option is deprecated. Remove it from your lwipopts.h."
+#endif
+#ifdef MEMP_NUM_API_MSG
+  #error "MEMP_NUM_API_MSG option is deprecated. Remove it from your lwipopts.h."
+#endif
+#ifdef TCP_REXMIT_DEBUG
+  #error "TCP_REXMIT_DEBUG option is deprecated. Remove it from your lwipopts.h."
+#endif
+#ifdef RAW_STATS
+  #error "RAW_STATS option is deprecated. Remove it from your lwipopts.h."
+#endif
+#ifdef ETHARP_QUEUE_FIRST
+  #error "ETHARP_QUEUE_FIRST option is deprecated. Remove it from your lwipopts.h."
+#endif
+#ifdef ETHARP_ALWAYS_INSERT
+  #error "ETHARP_ALWAYS_INSERT option is deprecated. Remove it from your lwipopts.h."
+#endif
+
+#ifdef LWIP_DEBUG
+static void
+lwip_sanity_check(void)
+{
+  /* Warnings */
+#if LWIP_NETCONN
+  if (MEMP_NUM_NETCONN > (MEMP_NUM_TCP_PCB+MEMP_NUM_TCP_PCB_LISTEN+MEMP_NUM_UDP_PCB+MEMP_NUM_RAW_PCB))
+    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: MEMP_NUM_NETCONN should be less than the sum of MEMP_NUM_{TCP,RAW,UDP}_PCB+MEMP_NUM_TCP_PCB_LISTEN\n"));
+#endif /* LWIP_NETCONN */
+#if LWIP_TCP
+  if (MEMP_NUM_TCP_SEG < TCP_SND_QUEUELEN)
+    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: MEMP_NUM_TCP_SEG should be at least as big as TCP_SND_QUEUELEN\n"));
+  if (TCP_SND_BUF < 2 * TCP_MSS)
+    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SND_BUF must be at least as much as (2 * TCP_MSS) for things to work smoothly\n"));
+  if (TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF/TCP_MSS)))
+    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SND_QUEUELEN must be at least as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work\n"));
+  if (TCP_SNDLOWAT >= TCP_SND_BUF)
+    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SNDLOWAT must be less than TCP_SND_BUF.\n"));
+  if (TCP_SNDQUEUELOWAT >= TCP_SND_QUEUELEN)
+    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SNDQUEUELOWAT must be less than TCP_SND_QUEUELEN.\n"));
+  if (TCP_WND > (PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE))
+    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is larger than space provided by PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE\n"));
+  if (TCP_WND < TCP_MSS)
+    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is smaller than MSS\n"));
+#endif /* LWIP_TCP */
+#if LWIP_SOCKET
+  /* Check that the SO_* socket options and SOF_* lwIP-internal flags match */
+  if (SO_ACCEPTCONN != SOF_ACCEPTCONN)
+    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_ACCEPTCONN != SOF_ACCEPTCONN\n"));
+  if (SO_REUSEADDR != SOF_REUSEADDR)
+    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_REUSEADDR != SOF_REUSEADDR\n"));
+  if (SO_KEEPALIVE != SOF_KEEPALIVE)
+    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_KEEPALIVE != SOF_KEEPALIVE\n"));
+  if (SO_BROADCAST != SOF_BROADCAST)
+    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_BROADCAST != SOF_BROADCAST\n"));
+  if (SO_LINGER != SOF_LINGER)
+    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_LINGER != SOF_LINGER\n"));
+#endif /* LWIP_SOCKET */
+}
+#else  /* LWIP_DEBUG */
+#define lwip_sanity_check()
+#endif /* LWIP_DEBUG */
+
+/**
+ * Perform Sanity check of user-configurable values, and initialize all modules.
+ */
+void
+lwip_init(void)
+{
+  /* Sanity check user-configurable values */
+  lwip_sanity_check();
+
+  /* Modules initialization */
+  stats_init();
+#if !NO_SYS
+  sys_init();
+#endif /* !NO_SYS */
+  mem_init();
+  memp_init();
+  pbuf_init();
+  netif_init();
+#if LWIP_SOCKET
+  lwip_socket_init();
+#endif /* LWIP_SOCKET */
+  ip_init();
+#if LWIP_ARP
+  etharp_init();
+#endif /* LWIP_ARP */
+#if LWIP_RAW
+  raw_init();
+#endif /* LWIP_RAW */
+#if LWIP_UDP
+  udp_init();
+#endif /* LWIP_UDP */
+#if LWIP_TCP
+  tcp_init();
+#endif /* LWIP_TCP */
+#if LWIP_SNMP
+  snmp_init();
+#endif /* LWIP_SNMP */
+#if LWIP_AUTOIP
+  autoip_init();
+#endif /* LWIP_AUTOIP */
+#if LWIP_IGMP
+  igmp_init();
+#endif /* LWIP_IGMP */
+#if LWIP_DNS
+  dns_init();
+#endif /* LWIP_DNS */
+
+#if LWIP_TIMERS
+  sys_timeouts_init();
+#endif /* LWIP_TIMERS */
+}
diff --git a/libraries/net/lwip/lwip/core/ipv4/autoip.c b/libraries/net/lwip/lwip/core/ipv4/autoip.c
new file mode 100644
index 0000000000..92bb4591f1
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/ipv4/autoip.c
@@ -0,0 +1,536 @@
+/**
+ * @file
+ * AutoIP Automatic LinkLocal IP Configuration
+ *
+ */
+
+/*
+ *
+ * Copyright (c) 2007 Dominik Spies 
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Dominik Spies 
+ *
+ * This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform
+ * with RFC 3927.
+ *
+ *
+ * Please coordinate changes and requests with Dominik Spies
+ * 
+ */
+
+/*******************************************************************************
+ * USAGE:
+ * 
+ * define LWIP_AUTOIP 1  in your lwipopts.h
+ * 
+ * If you don't use tcpip.c (so, don't call, you don't call tcpip_init):
+ * - First, call autoip_init().
+ * - call autoip_tmr() all AUTOIP_TMR_INTERVAL msces,
+ *   that should be defined in autoip.h.
+ *   I recommend a value of 100. The value must divide 1000 with a remainder almost 0.
+ *   Possible values are 1000, 500, 333, 250, 200, 166, 142, 125, 111, 100 ....
+ *
+ * Without DHCP:
+ * - Call autoip_start() after netif_add().
+ * 
+ * With DHCP:
+ * - define LWIP_DHCP_AUTOIP_COOP 1 in your lwipopts.h.
+ * - Configure your DHCP Client.
+ *
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_AUTOIP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/mem.h"
+#include "lwip/udp.h"
+#include "lwip/ip_addr.h"
+#include "lwip/netif.h"
+#include "lwip/autoip.h"
+#include "netif/etharp.h"
+
+#include 
+#include 
+
+/* 169.254.0.0 */
+#define AUTOIP_NET         0xA9FE0000
+/* 169.254.1.0 */
+#define AUTOIP_RANGE_START (AUTOIP_NET | 0x0100)
+/* 169.254.254.255 */
+#define AUTOIP_RANGE_END   (AUTOIP_NET | 0xFEFF)
+
+
+/** Pseudo random macro based on netif informations.
+ * You could use "rand()" from the C Library if you define LWIP_AUTOIP_RAND in lwipopts.h */
+#ifndef LWIP_AUTOIP_RAND
+#define LWIP_AUTOIP_RAND(netif) ( (((u32_t)((netif->hwaddr[5]) & 0xff) << 24) | \
+                                   ((u32_t)((netif->hwaddr[3]) & 0xff) << 16) | \
+                                   ((u32_t)((netif->hwaddr[2]) & 0xff) << 8) | \
+                                   ((u32_t)((netif->hwaddr[4]) & 0xff))) + \
+                                   (netif->autoip?netif->autoip->tried_llipaddr:0))
+#endif /* LWIP_AUTOIP_RAND */
+
+/**
+ * Macro that generates the initial IP address to be tried by AUTOIP.
+ * If you want to override this, define it to something else in lwipopts.h.
+ */
+#ifndef LWIP_AUTOIP_CREATE_SEED_ADDR
+#define LWIP_AUTOIP_CREATE_SEED_ADDR(netif) \
+  htonl(AUTOIP_RANGE_START + ((u32_t)(((u8_t)(netif->hwaddr[4])) | \
+                 ((u32_t)((u8_t)(netif->hwaddr[5]))) << 8)))
+#endif /* LWIP_AUTOIP_CREATE_SEED_ADDR */
+
+/* static functions */
+static void autoip_handle_arp_conflict(struct netif *netif);
+
+/* creates a pseudo random LL IP-Address for a network interface */
+static void autoip_create_addr(struct netif *netif, ip_addr_t *ipaddr);
+
+/* sends an ARP probe */
+static err_t autoip_arp_probe(struct netif *netif);
+
+/* sends an ARP announce */
+static err_t autoip_arp_announce(struct netif *netif);
+
+/* configure interface for use with current LL IP-Address */
+static err_t autoip_bind(struct netif *netif);
+
+/* start sending probes for llipaddr */
+static void autoip_start_probing(struct netif *netif);
+
+/**
+ * Initialize this module
+ */
+void
+autoip_init(void)
+{
+  LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, ("autoip_init()\n"));
+}
+
+/** Set a statically allocated struct autoip to work with.
+ * Using this prevents autoip_start to allocate it using mem_malloc.
+ *
+ * @param netif the netif for which to set the struct autoip
+ * @param dhcp (uninitialised) dhcp struct allocated by the application
+ */
+void
+autoip_set_struct(struct netif *netif, struct autoip *autoip)
+{
+  LWIP_ASSERT("netif != NULL", netif != NULL);
+  LWIP_ASSERT("autoip != NULL", autoip != NULL);
+  LWIP_ASSERT("netif already has a struct autoip set", netif->autoip == NULL);
+
+  /* clear data structure */
+  memset(autoip, 0, sizeof(struct autoip));
+  /* autoip->state = AUTOIP_STATE_OFF; */
+  netif->autoip = autoip;
+}
+
+/** Restart AutoIP client and check the next address (conflict detected)
+ *
+ * @param netif The netif under AutoIP control
+ */
+static void
+autoip_restart(struct netif *netif)
+{
+  netif->autoip->tried_llipaddr++;
+  autoip_start(netif);
+}
+
+/**
+ * Handle a IP address conflict after an ARP conflict detection
+ */
+static void
+autoip_handle_arp_conflict(struct netif *netif)
+{
+  /* Somehow detect if we are defending or retreating */
+  unsigned char defend = 1; /* tbd */
+
+  if(defend) {
+    if(netif->autoip->lastconflict > 0) {
+      /* retreat, there was a conflicting ARP in the last
+       * DEFEND_INTERVAL seconds
+       */
+      LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE,
+        ("autoip_handle_arp_conflict(): we are defending, but in DEFEND_INTERVAL, retreating\n"));
+
+      /* TODO: close all TCP sessions */
+      autoip_restart(netif);
+    } else {
+      LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE,
+        ("autoip_handle_arp_conflict(): we are defend, send ARP Announce\n"));
+      autoip_arp_announce(netif);
+      netif->autoip->lastconflict = DEFEND_INTERVAL * AUTOIP_TICKS_PER_SECOND;
+    }
+  } else {
+    LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE,
+      ("autoip_handle_arp_conflict(): we do not defend, retreating\n"));
+    /* TODO: close all TCP sessions */
+    autoip_restart(netif);
+  }
+}
+
+/**
+ * Create an IP-Address out of range 169.254.1.0 to 169.254.254.255
+ *
+ * @param netif network interface on which create the IP-Address
+ * @param ipaddr ip address to initialize
+ */
+static void
+autoip_create_addr(struct netif *netif, ip_addr_t *ipaddr)
+{
+  /* Here we create an IP-Address out of range 169.254.1.0 to 169.254.254.255
+   * compliant to RFC 3927 Section 2.1
+   * We have 254 * 256 possibilities */
+
+  u32_t addr = ntohl(LWIP_AUTOIP_CREATE_SEED_ADDR(netif));
+  addr += netif->autoip->tried_llipaddr;
+  addr = AUTOIP_NET | (addr & 0xffff);
+  /* Now, 169.254.0.0 <= addr <= 169.254.255.255 */ 
+
+  if (addr < AUTOIP_RANGE_START) {
+    addr += AUTOIP_RANGE_END - AUTOIP_RANGE_START + 1;
+  }
+  if (addr > AUTOIP_RANGE_END) {
+    addr -= AUTOIP_RANGE_END - AUTOIP_RANGE_START + 1;
+  }
+  LWIP_ASSERT("AUTOIP address not in range", (addr >= AUTOIP_RANGE_START) &&
+    (addr <= AUTOIP_RANGE_END));
+  ip4_addr_set_u32(ipaddr, htonl(addr));
+  
+  LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE,
+    ("autoip_create_addr(): tried_llipaddr=%"U16_F", %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+    (u16_t)(netif->autoip->tried_llipaddr), ip4_addr1_16(ipaddr), ip4_addr2_16(ipaddr),
+    ip4_addr3_16(ipaddr), ip4_addr4_16(ipaddr)));
+}
+
+/**
+ * Sends an ARP probe from a network interface
+ *
+ * @param netif network interface used to send the probe
+ */
+static err_t
+autoip_arp_probe(struct netif *netif)
+{
+  return etharp_raw(netif, (struct eth_addr *)netif->hwaddr, ðbroadcast,
+    (struct eth_addr *)netif->hwaddr, IP_ADDR_ANY, ðzero,
+    &netif->autoip->llipaddr, ARP_REQUEST);
+}
+
+/**
+ * Sends an ARP announce from a network interface
+ *
+ * @param netif network interface used to send the announce
+ */
+static err_t
+autoip_arp_announce(struct netif *netif)
+{
+  return etharp_raw(netif, (struct eth_addr *)netif->hwaddr, ðbroadcast,
+    (struct eth_addr *)netif->hwaddr, &netif->autoip->llipaddr, ðzero,
+    &netif->autoip->llipaddr, ARP_REQUEST);
+}
+
+/**
+ * Configure interface for use with current LL IP-Address
+ *
+ * @param netif network interface to configure with current LL IP-Address
+ */
+static err_t
+autoip_bind(struct netif *netif)
+{
+  struct autoip *autoip = netif->autoip;
+  ip_addr_t sn_mask, gw_addr;
+
+  LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE,
+    ("autoip_bind(netif=%p) %c%c%"U16_F" %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+    (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num,
+    ip4_addr1_16(&autoip->llipaddr), ip4_addr2_16(&autoip->llipaddr),
+    ip4_addr3_16(&autoip->llipaddr), ip4_addr4_16(&autoip->llipaddr)));
+
+  IP4_ADDR(&sn_mask, 255, 255, 0, 0);
+  IP4_ADDR(&gw_addr, 0, 0, 0, 0);
+
+  netif_set_ipaddr(netif, &autoip->llipaddr);
+  netif_set_netmask(netif, &sn_mask);
+  netif_set_gw(netif, &gw_addr);  
+
+  /* bring the interface up */
+  netif_set_up(netif);
+
+  return ERR_OK;
+}
+
+/**
+ * Start AutoIP client
+ *
+ * @param netif network interface on which start the AutoIP client
+ */
+err_t
+autoip_start(struct netif *netif)
+{
+  struct autoip *autoip = netif->autoip;
+  err_t result = ERR_OK;
+
+  if(netif_is_up(netif)) {
+    netif_set_down(netif);
+  }
+
+  /* Set IP-Address, Netmask and Gateway to 0 to make sure that
+   * ARP Packets are formed correctly
+   */
+  ip_addr_set_zero(&netif->ip_addr);
+  ip_addr_set_zero(&netif->netmask);
+  ip_addr_set_zero(&netif->gw);
+
+  LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE,
+    ("autoip_start(netif=%p) %c%c%"U16_F"\n", (void*)netif, netif->name[0],
+    netif->name[1], (u16_t)netif->num));
+  if(autoip == NULL) {
+    /* no AutoIP client attached yet? */
+    LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE,
+      ("autoip_start(): starting new AUTOIP client\n"));
+    autoip = (struct autoip *)mem_malloc(sizeof(struct autoip));
+    if(autoip == NULL) {
+      LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE,
+        ("autoip_start(): could not allocate autoip\n"));
+      return ERR_MEM;
+    }
+    memset(autoip, 0, sizeof(struct autoip));
+    /* store this AutoIP client in the netif */
+    netif->autoip = autoip;
+    LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, ("autoip_start(): allocated autoip"));
+  } else {
+    autoip->state = AUTOIP_STATE_OFF;
+    autoip->ttw = 0;
+    autoip->sent_num = 0;
+    ip_addr_set_zero(&autoip->llipaddr);
+    autoip->lastconflict = 0;
+  }
+
+  autoip_create_addr(netif, &(autoip->llipaddr));
+  autoip_start_probing(netif);
+
+  return result;
+}
+
+static void
+autoip_start_probing(struct netif *netif)
+{
+  struct autoip *autoip = netif->autoip;
+
+  autoip->state = AUTOIP_STATE_PROBING;
+  autoip->sent_num = 0;
+  LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE,
+     ("autoip_start_probing(): changing state to PROBING: %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+      ip4_addr1_16(&netif->autoip->llipaddr), ip4_addr2_16(&netif->autoip->llipaddr),
+      ip4_addr3_16(&netif->autoip->llipaddr), ip4_addr4_16(&netif->autoip->llipaddr)));
+
+  /* time to wait to first probe, this is randomly
+   * choosen out of 0 to PROBE_WAIT seconds.
+   * compliant to RFC 3927 Section 2.2.1
+   */
+  autoip->ttw = (u16_t)(LWIP_AUTOIP_RAND(netif) % (PROBE_WAIT * AUTOIP_TICKS_PER_SECOND));
+
+  /*
+   * if we tried more then MAX_CONFLICTS we must limit our rate for
+   * accquiring and probing address
+   * compliant to RFC 3927 Section 2.2.1
+   */
+  if(autoip->tried_llipaddr > MAX_CONFLICTS) {
+    autoip->ttw = RATE_LIMIT_INTERVAL * AUTOIP_TICKS_PER_SECOND;
+  }
+}
+
+/**
+ * Handle a possible change in the network configuration.
+ *
+ * If there is an AutoIP address configured, take the interface down
+ * and begin probing with the same address.
+ */
+void
+autoip_network_changed(struct netif *netif)
+{
+  if (netif->autoip && netif->autoip->state != AUTOIP_STATE_OFF) {
+    netif_set_down(netif);
+    autoip_start_probing(netif);
+  }
+}
+
+/**
+ * Stop AutoIP client
+ *
+ * @param netif network interface on which stop the AutoIP client
+ */
+err_t
+autoip_stop(struct netif *netif)
+{
+  netif->autoip->state = AUTOIP_STATE_OFF;
+  netif_set_down(netif);
+  return ERR_OK;
+}
+
+/**
+ * Has to be called in loop every AUTOIP_TMR_INTERVAL milliseconds
+ */
+void
+autoip_tmr()
+{
+  struct netif *netif = netif_list;
+  /* loop through netif's */
+  while (netif != NULL) {
+    /* only act on AutoIP configured interfaces */
+    if (netif->autoip != NULL) {
+      if(netif->autoip->lastconflict > 0) {
+        netif->autoip->lastconflict--;
+      }
+
+      LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE,
+        ("autoip_tmr() AutoIP-State: %"U16_F", ttw=%"U16_F"\n",
+        (u16_t)(netif->autoip->state), netif->autoip->ttw));
+
+      switch(netif->autoip->state) {
+        case AUTOIP_STATE_PROBING:
+          if(netif->autoip->ttw > 0) {
+            netif->autoip->ttw--;
+          } else {
+            if(netif->autoip->sent_num >= PROBE_NUM) {
+              netif->autoip->state = AUTOIP_STATE_ANNOUNCING;
+              netif->autoip->sent_num = 0;
+              netif->autoip->ttw = ANNOUNCE_WAIT * AUTOIP_TICKS_PER_SECOND;
+              LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE,
+                 ("autoip_tmr(): changing state to ANNOUNCING: %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+                  ip4_addr1_16(&netif->autoip->llipaddr), ip4_addr2_16(&netif->autoip->llipaddr),
+                  ip4_addr3_16(&netif->autoip->llipaddr), ip4_addr4_16(&netif->autoip->llipaddr)));
+            } else {
+              autoip_arp_probe(netif);
+              LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE,
+                ("autoip_tmr() PROBING Sent Probe\n"));
+              netif->autoip->sent_num++;
+              /* calculate time to wait to next probe */
+              netif->autoip->ttw = (u16_t)((LWIP_AUTOIP_RAND(netif) %
+                ((PROBE_MAX - PROBE_MIN) * AUTOIP_TICKS_PER_SECOND) ) +
+                PROBE_MIN * AUTOIP_TICKS_PER_SECOND);
+            }
+          }
+          break;
+
+        case AUTOIP_STATE_ANNOUNCING:
+          if(netif->autoip->ttw > 0) {
+            netif->autoip->ttw--;
+          } else {
+            if(netif->autoip->sent_num == 0) {
+             /* We are here the first time, so we waited ANNOUNCE_WAIT seconds
+              * Now we can bind to an IP address and use it.
+              *
+              * autoip_bind calls netif_set_up. This triggers a gratuitous ARP
+              * which counts as an announcement.
+              */
+              autoip_bind(netif);
+            } else {
+              autoip_arp_announce(netif);
+              LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE,
+                ("autoip_tmr() ANNOUNCING Sent Announce\n"));
+            }
+            netif->autoip->ttw = ANNOUNCE_INTERVAL * AUTOIP_TICKS_PER_SECOND;
+            netif->autoip->sent_num++;
+
+            if(netif->autoip->sent_num >= ANNOUNCE_NUM) {
+                netif->autoip->state = AUTOIP_STATE_BOUND;
+                netif->autoip->sent_num = 0;
+                netif->autoip->ttw = 0;
+                 LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE,
+                    ("autoip_tmr(): changing state to BOUND: %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+                     ip4_addr1_16(&netif->autoip->llipaddr), ip4_addr2_16(&netif->autoip->llipaddr),
+                     ip4_addr3_16(&netif->autoip->llipaddr), ip4_addr4_16(&netif->autoip->llipaddr)));
+            }
+          }
+          break;
+      }
+    }
+    /* proceed to next network interface */
+    netif = netif->next;
+  }
+}
+
+/**
+ * Handles every incoming ARP Packet, called by etharp_arp_input.
+ *
+ * @param netif network interface to use for autoip processing
+ * @param hdr Incoming ARP packet
+ */
+void
+autoip_arp_reply(struct netif *netif, struct etharp_hdr *hdr)
+{
+  LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, ("autoip_arp_reply()\n"));
+  if ((netif->autoip != NULL) && (netif->autoip->state != AUTOIP_STATE_OFF)) {
+   /* when ip.src == llipaddr && hw.src != netif->hwaddr
+    *
+    * when probing  ip.dst == llipaddr && hw.src != netif->hwaddr
+    * we have a conflict and must solve it
+    */
+    ip_addr_t sipaddr, dipaddr;
+    struct eth_addr netifaddr;
+    ETHADDR16_COPY(netifaddr.addr, netif->hwaddr);
+
+    /* Copy struct ip_addr2 to aligned ip_addr, to support compilers without
+     * structure packing (not using structure copy which breaks strict-aliasing rules).
+     */
+    IPADDR2_COPY(&sipaddr, &hdr->sipaddr);
+    IPADDR2_COPY(&dipaddr, &hdr->dipaddr);
+      
+    if ((netif->autoip->state == AUTOIP_STATE_PROBING) ||
+        ((netif->autoip->state == AUTOIP_STATE_ANNOUNCING) &&
+         (netif->autoip->sent_num == 0))) {
+     /* RFC 3927 Section 2.2.1:
+      * from beginning to after ANNOUNCE_WAIT
+      * seconds we have a conflict if
+      * ip.src == llipaddr OR
+      * ip.dst == llipaddr && hw.src != own hwaddr
+      */
+      if ((ip_addr_cmp(&sipaddr, &netif->autoip->llipaddr)) ||
+          (ip_addr_cmp(&dipaddr, &netif->autoip->llipaddr) &&
+           !eth_addr_cmp(&netifaddr, &hdr->shwaddr))) {
+        LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE | LWIP_DBG_LEVEL_WARNING,
+          ("autoip_arp_reply(): Probe Conflict detected\n"));
+        autoip_restart(netif);
+      }
+    } else {
+     /* RFC 3927 Section 2.5:
+      * in any state we have a conflict if
+      * ip.src == llipaddr && hw.src != own hwaddr
+      */
+      if (ip_addr_cmp(&sipaddr, &netif->autoip->llipaddr) &&
+          !eth_addr_cmp(&netifaddr, &hdr->shwaddr)) {
+        LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE | LWIP_DBG_LEVEL_WARNING,
+          ("autoip_arp_reply(): Conflicting ARP-Packet detected\n"));
+        autoip_handle_arp_conflict(netif);
+      }
+    }
+  }
+}
+
+#endif /* LWIP_AUTOIP */
diff --git a/libraries/net/lwip/lwip/core/ipv4/icmp.c b/libraries/net/lwip/lwip/core/ipv4/icmp.c
new file mode 100644
index 0000000000..32902a522c
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/ipv4/icmp.c
@@ -0,0 +1,335 @@
+/**
+ * @file
+ * ICMP - Internet Control Message Protocol
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *
+ */
+
+/* Some ICMP messages should be passed to the transport protocols. This
+   is not implemented. */
+
+#include "lwip/opt.h"
+
+#if LWIP_ICMP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/icmp.h"
+#include "lwip/inet_chksum.h"
+#include "lwip/ip.h"
+#include "lwip/def.h"
+#include "lwip/stats.h"
+#include "lwip/snmp.h"
+
+#include 
+
+/** Small optimization: set to 0 if incoming PBUF_POOL pbuf always can be
+ * used to modify and send a response packet (and to 1 if this is not the case,
+ * e.g. when link header is stripped of when receiving) */
+#ifndef LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN
+#define LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN 1
+#endif /* LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN */
+
+/* The amount of data from the original packet to return in a dest-unreachable */
+#define ICMP_DEST_UNREACH_DATASIZE 8
+
+static void icmp_send_response(struct pbuf *p, u8_t type, u8_t code);
+
+/**
+ * Processes ICMP input packets, called from ip_input().
+ *
+ * Currently only processes icmp echo requests and sends
+ * out the echo response.
+ *
+ * @param p the icmp echo request packet, p->payload pointing to the ip header
+ * @param inp the netif on which this packet was received
+ */
+void
+icmp_input(struct pbuf *p, struct netif *inp)
+{
+  u8_t type;
+#ifdef LWIP_DEBUG
+  u8_t code;
+#endif /* LWIP_DEBUG */
+  struct icmp_echo_hdr *iecho;
+  struct ip_hdr *iphdr;
+  s16_t hlen;
+
+  ICMP_STATS_INC(icmp.recv);
+  snmp_inc_icmpinmsgs();
+
+
+  iphdr = (struct ip_hdr *)p->payload;
+  hlen = IPH_HL(iphdr) * 4;
+  if (pbuf_header(p, -hlen) || (p->tot_len < sizeof(u16_t)*2)) {
+    LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: short ICMP (%"U16_F" bytes) received\n", p->tot_len));
+    goto lenerr;
+  }
+
+  type = *((u8_t *)p->payload);
+#ifdef LWIP_DEBUG
+  code = *(((u8_t *)p->payload)+1);
+#endif /* LWIP_DEBUG */
+  switch (type) {
+  case ICMP_ER:
+    /* This is OK, echo reply might have been parsed by a raw PCB
+       (as obviously, an echo request has been sent, too). */
+    break; 
+  case ICMP_ECHO:
+#if !LWIP_MULTICAST_PING || !LWIP_BROADCAST_PING
+    {
+      int accepted = 1;
+#if !LWIP_MULTICAST_PING
+      /* multicast destination address? */
+      if (ip_addr_ismulticast(¤t_iphdr_dest)) {
+        accepted = 0;
+      }
+#endif /* LWIP_MULTICAST_PING */
+#if !LWIP_BROADCAST_PING
+      /* broadcast destination address? */
+      if (ip_addr_isbroadcast(¤t_iphdr_dest, inp)) {
+        accepted = 0;
+      }
+#endif /* LWIP_BROADCAST_PING */
+      /* broadcast or multicast destination address not acceptd? */
+      if (!accepted) {
+        LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: Not echoing to multicast or broadcast pings\n"));
+        ICMP_STATS_INC(icmp.err);
+        pbuf_free(p);
+        return;
+      }
+    }
+#endif /* !LWIP_MULTICAST_PING || !LWIP_BROADCAST_PING */
+    LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: ping\n"));
+    if (p->tot_len < sizeof(struct icmp_echo_hdr)) {
+      LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: bad ICMP echo received\n"));
+      goto lenerr;
+    }
+    if (inet_chksum_pbuf(p) != 0) {
+      LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: checksum failed for received ICMP echo\n"));
+      pbuf_free(p);
+      ICMP_STATS_INC(icmp.chkerr);
+      snmp_inc_icmpinerrors();
+      return;
+    }
+#if LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN
+    if (pbuf_header(p, (PBUF_IP_HLEN + PBUF_LINK_HLEN))) {
+      /* p is not big enough to contain link headers
+       * allocate a new one and copy p into it
+       */
+      struct pbuf *r;
+      /* switch p->payload to ip header */
+      if (pbuf_header(p, hlen)) {
+        LWIP_ASSERT("icmp_input: moving p->payload to ip header failed\n", 0);
+        goto memerr;
+      }
+      /* allocate new packet buffer with space for link headers */
+      r = pbuf_alloc(PBUF_LINK, p->tot_len, PBUF_RAM);
+      if (r == NULL) {
+        LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: allocating new pbuf failed\n"));
+        goto memerr;
+      }
+      LWIP_ASSERT("check that first pbuf can hold struct the ICMP header",
+                  (r->len >= hlen + sizeof(struct icmp_echo_hdr)));
+      /* copy the whole packet including ip header */
+      if (pbuf_copy(r, p) != ERR_OK) {
+        LWIP_ASSERT("icmp_input: copying to new pbuf failed\n", 0);
+        goto memerr;
+      }
+      iphdr = (struct ip_hdr *)r->payload;
+      /* switch r->payload back to icmp header */
+      if (pbuf_header(r, -hlen)) {
+        LWIP_ASSERT("icmp_input: restoring original p->payload failed\n", 0);
+        goto memerr;
+      }
+      /* free the original p */
+      pbuf_free(p);
+      /* we now have an identical copy of p that has room for link headers */
+      p = r;
+    } else {
+      /* restore p->payload to point to icmp header */
+      if (pbuf_header(p, -(s16_t)(PBUF_IP_HLEN + PBUF_LINK_HLEN))) {
+        LWIP_ASSERT("icmp_input: restoring original p->payload failed\n", 0);
+        goto memerr;
+      }
+    }
+#endif /* LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN */
+    /* At this point, all checks are OK. */
+    /* We generate an answer by switching the dest and src ip addresses,
+     * setting the icmp type to ECHO_RESPONSE and updating the checksum. */
+    iecho = (struct icmp_echo_hdr *)p->payload;
+    ip_addr_copy(iphdr->src, *ip_current_dest_addr());
+    ip_addr_copy(iphdr->dest, *ip_current_src_addr());
+    ICMPH_TYPE_SET(iecho, ICMP_ER);
+    /* adjust the checksum */
+    if (iecho->chksum >= PP_HTONS(0xffffU - (ICMP_ECHO << 8))) {
+      iecho->chksum += PP_HTONS(ICMP_ECHO << 8) + 1;
+    } else {
+      iecho->chksum += PP_HTONS(ICMP_ECHO << 8);
+    }
+
+    /* Set the correct TTL and recalculate the header checksum. */
+    IPH_TTL_SET(iphdr, ICMP_TTL);
+    IPH_CHKSUM_SET(iphdr, 0);
+#if CHECKSUM_GEN_IP
+    IPH_CHKSUM_SET(iphdr, inet_chksum(iphdr, IP_HLEN));
+#endif /* CHECKSUM_GEN_IP */
+
+    ICMP_STATS_INC(icmp.xmit);
+    /* increase number of messages attempted to send */
+    snmp_inc_icmpoutmsgs();
+    /* increase number of echo replies attempted to send */
+    snmp_inc_icmpoutechoreps();
+
+    if(pbuf_header(p, hlen)) {
+      LWIP_ASSERT("Can't move over header in packet", 0);
+    } else {
+      err_t ret;
+      /* send an ICMP packet, src addr is the dest addr of the curren packet */
+      ret = ip_output_if(p, ip_current_dest_addr(), IP_HDRINCL,
+                   ICMP_TTL, 0, IP_PROTO_ICMP, inp);
+      if (ret != ERR_OK) {
+        LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: ip_output_if returned an error: %c.\n", ret));
+      }
+    }
+    break;
+  default:
+    LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: ICMP type %"S16_F" code %"S16_F" not supported.\n", 
+                (s16_t)type, (s16_t)code));
+    ICMP_STATS_INC(icmp.proterr);
+    ICMP_STATS_INC(icmp.drop);
+  }
+  pbuf_free(p);
+  return;
+lenerr:
+  pbuf_free(p);
+  ICMP_STATS_INC(icmp.lenerr);
+  snmp_inc_icmpinerrors();
+  return;
+#if LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN
+memerr:
+  pbuf_free(p);
+  ICMP_STATS_INC(icmp.err);
+  snmp_inc_icmpinerrors();
+  return;
+#endif /* LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN */
+}
+
+/**
+ * Send an icmp 'destination unreachable' packet, called from ip_input() if
+ * the transport layer protocol is unknown and from udp_input() if the local
+ * port is not bound.
+ *
+ * @param p the input packet for which the 'unreachable' should be sent,
+ *          p->payload pointing to the IP header
+ * @param t type of the 'unreachable' packet
+ */
+void
+icmp_dest_unreach(struct pbuf *p, enum icmp_dur_type t)
+{
+  icmp_send_response(p, ICMP_DUR, t);
+}
+
+#if IP_FORWARD || IP_REASSEMBLY
+/**
+ * Send a 'time exceeded' packet, called from ip_forward() if TTL is 0.
+ *
+ * @param p the input packet for which the 'time exceeded' should be sent,
+ *          p->payload pointing to the IP header
+ * @param t type of the 'time exceeded' packet
+ */
+void
+icmp_time_exceeded(struct pbuf *p, enum icmp_te_type t)
+{
+  icmp_send_response(p, ICMP_TE, t);
+}
+
+#endif /* IP_FORWARD || IP_REASSEMBLY */
+
+/**
+ * Send an icmp packet in response to an incoming packet.
+ *
+ * @param p the input packet for which the 'unreachable' should be sent,
+ *          p->payload pointing to the IP header
+ * @param type Type of the ICMP header
+ * @param code Code of the ICMP header
+ */
+static void
+icmp_send_response(struct pbuf *p, u8_t type, u8_t code)
+{
+  struct pbuf *q;
+  struct ip_hdr *iphdr;
+  /* we can use the echo header here */
+  struct icmp_echo_hdr *icmphdr;
+  ip_addr_t iphdr_src;
+
+  /* ICMP header + IP header + 8 bytes of data */
+  q = pbuf_alloc(PBUF_IP, sizeof(struct icmp_echo_hdr) + IP_HLEN + ICMP_DEST_UNREACH_DATASIZE,
+                 PBUF_RAM);
+  if (q == NULL) {
+    LWIP_DEBUGF(ICMP_DEBUG, ("icmp_time_exceeded: failed to allocate pbuf for ICMP packet.\n"));
+    return;
+  }
+  LWIP_ASSERT("check that first pbuf can hold icmp message",
+             (q->len >= (sizeof(struct icmp_echo_hdr) + IP_HLEN + ICMP_DEST_UNREACH_DATASIZE)));
+
+  iphdr = (struct ip_hdr *)p->payload;
+  LWIP_DEBUGF(ICMP_DEBUG, ("icmp_time_exceeded from "));
+  ip_addr_debug_print(ICMP_DEBUG, &(iphdr->src));
+  LWIP_DEBUGF(ICMP_DEBUG, (" to "));
+  ip_addr_debug_print(ICMP_DEBUG, &(iphdr->dest));
+  LWIP_DEBUGF(ICMP_DEBUG, ("\n"));
+
+  icmphdr = (struct icmp_echo_hdr *)q->payload;
+  icmphdr->type = type;
+  icmphdr->code = code;
+  icmphdr->id = 0;
+  icmphdr->seqno = 0;
+
+  /* copy fields from original packet */
+  SMEMCPY((u8_t *)q->payload + sizeof(struct icmp_echo_hdr), (u8_t *)p->payload,
+          IP_HLEN + ICMP_DEST_UNREACH_DATASIZE);
+
+  /* calculate checksum */
+  icmphdr->chksum = 0;
+  icmphdr->chksum = inet_chksum(icmphdr, q->len);
+  ICMP_STATS_INC(icmp.xmit);
+  /* increase number of messages attempted to send */
+  snmp_inc_icmpoutmsgs();
+  /* increase number of destination unreachable messages attempted to send */
+  snmp_inc_icmpouttimeexcds();
+  ip_addr_copy(iphdr_src, iphdr->src);
+  ip_output(q, NULL, &iphdr_src, ICMP_TTL, 0, IP_PROTO_ICMP);
+  pbuf_free(q);
+}
+
+#endif /* LWIP_ICMP */
diff --git a/libraries/net/lwip/lwip/core/ipv4/igmp.c b/libraries/net/lwip/lwip/core/ipv4/igmp.c
new file mode 100644
index 0000000000..4e4405e16f
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/ipv4/igmp.c
@@ -0,0 +1,817 @@
+/**
+ * @file
+ * IGMP - Internet Group Management Protocol
+ *
+ */
+
+/*
+ * Copyright (c) 2002 CITEL Technologies Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ * 3. Neither the name of CITEL Technologies Ltd nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY CITEL TECHNOLOGIES AND CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL CITEL TECHNOLOGIES OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ *
+ * This file is a contribution to the lwIP TCP/IP stack.
+ * The Swedish Institute of Computer Science and Adam Dunkels
+ * are specifically granted permission to redistribute this
+ * source code.
+*/
+
+/*-------------------------------------------------------------
+Note 1)
+Although the rfc requires V1 AND V2 capability
+we will only support v2 since now V1 is very old (August 1989)
+V1 can be added if required
+
+a debug print and statistic have been implemented to
+show this up.
+-------------------------------------------------------------
+-------------------------------------------------------------
+Note 2)
+A query for a specific group address (as opposed to ALLHOSTS)
+has now been implemented as I am unsure if it is required
+
+a debug print and statistic have been implemented to
+show this up.
+-------------------------------------------------------------
+-------------------------------------------------------------
+Note 3)
+The router alert rfc 2113 is implemented in outgoing packets
+but not checked rigorously incoming
+-------------------------------------------------------------
+Steve Reynolds
+------------------------------------------------------------*/
+
+/*-----------------------------------------------------------------------------
+ * RFC 988  - Host extensions for IP multicasting                         - V0
+ * RFC 1054 - Host extensions for IP multicasting                         -
+ * RFC 1112 - Host extensions for IP multicasting                         - V1
+ * RFC 2236 - Internet Group Management Protocol, Version 2               - V2  <- this code is based on this RFC (it's the "de facto" standard)
+ * RFC 3376 - Internet Group Management Protocol, Version 3               - V3
+ * RFC 4604 - Using Internet Group Management Protocol Version 3...       - V3+
+ * RFC 2113 - IP Router Alert Option                                      - 
+ *----------------------------------------------------------------------------*/
+
+/*-----------------------------------------------------------------------------
+ * Includes
+ *----------------------------------------------------------------------------*/
+
+#include "lwip/opt.h"
+
+#if LWIP_IGMP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/igmp.h"
+#include "lwip/debug.h"
+#include "lwip/def.h"
+#include "lwip/mem.h"
+#include "lwip/ip.h"
+#include "lwip/inet_chksum.h"
+#include "lwip/netif.h"
+#include "lwip/icmp.h"
+#include "lwip/udp.h"
+#include "lwip/tcp.h"
+#include "lwip/stats.h"
+
+#include "string.h"
+
+/* 
+ * IGMP constants
+ */
+#define IGMP_TTL                       1
+#define IGMP_MINLEN                    8
+#define ROUTER_ALERT                   0x9404U
+#define ROUTER_ALERTLEN                4
+
+/*
+ * IGMP message types, including version number.
+ */
+#define IGMP_MEMB_QUERY                0x11 /* Membership query         */
+#define IGMP_V1_MEMB_REPORT            0x12 /* Ver. 1 membership report */
+#define IGMP_V2_MEMB_REPORT            0x16 /* Ver. 2 membership report */
+#define IGMP_LEAVE_GROUP               0x17 /* Leave-group message      */
+
+/* Group  membership states */
+#define IGMP_GROUP_NON_MEMBER          0
+#define IGMP_GROUP_DELAYING_MEMBER     1
+#define IGMP_GROUP_IDLE_MEMBER         2
+
+/**
+ * IGMP packet format.
+ */
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+struct igmp_msg {
+ PACK_STRUCT_FIELD(u8_t           igmp_msgtype);
+ PACK_STRUCT_FIELD(u8_t           igmp_maxresp);
+ PACK_STRUCT_FIELD(u16_t          igmp_checksum);
+ PACK_STRUCT_FIELD(ip_addr_p_t    igmp_group_address);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+
+static struct igmp_group *igmp_lookup_group(struct netif *ifp, ip_addr_t *addr);
+static err_t  igmp_remove_group(struct igmp_group *group);
+static void   igmp_timeout( struct igmp_group *group);
+static void   igmp_start_timer(struct igmp_group *group, u8_t max_time);
+static void   igmp_stop_timer(struct igmp_group *group);
+static void   igmp_delaying_member(struct igmp_group *group, u8_t maxresp);
+static err_t  igmp_ip_output_if(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, struct netif *netif);
+static void   igmp_send(struct igmp_group *group, u8_t type);
+
+
+static struct igmp_group* igmp_group_list;
+static ip_addr_t     allsystems;
+static ip_addr_t     allrouters;
+
+
+/**
+ * Initialize the IGMP module
+ */
+void
+igmp_init(void)
+{
+  LWIP_DEBUGF(IGMP_DEBUG, ("igmp_init: initializing\n"));
+
+  IP4_ADDR(&allsystems, 224, 0, 0, 1);
+  IP4_ADDR(&allrouters, 224, 0, 0, 2);
+}
+
+#ifdef LWIP_DEBUG
+/**
+ * Dump global IGMP groups list
+ */
+void
+igmp_dump_group_list()
+{ 
+  struct igmp_group *group = igmp_group_list;
+
+  while (group != NULL) {
+    LWIP_DEBUGF(IGMP_DEBUG, ("igmp_dump_group_list: [%"U32_F"] ", (u32_t)(group->group_state)));
+    ip_addr_debug_print(IGMP_DEBUG, &group->group_address);
+    LWIP_DEBUGF(IGMP_DEBUG, (" on if %p\n", group->netif));
+    group = group->next;
+  }
+  LWIP_DEBUGF(IGMP_DEBUG, ("\n"));
+}
+#else
+#define igmp_dump_group_list()
+#endif /* LWIP_DEBUG */
+
+/**
+ * Start IGMP processing on interface
+ *
+ * @param netif network interface on which start IGMP processing
+ */
+err_t
+igmp_start(struct netif *netif)
+{
+  struct igmp_group* group;
+
+  LWIP_DEBUGF(IGMP_DEBUG, ("igmp_start: starting IGMP processing on if %p\n", netif));
+
+  group = igmp_lookup_group(netif, &allsystems);
+
+  if (group != NULL) {
+    group->group_state = IGMP_GROUP_IDLE_MEMBER;
+    group->use++;
+
+    /* Allow the igmp messages at the MAC level */
+    if (netif->igmp_mac_filter != NULL) {
+      LWIP_DEBUGF(IGMP_DEBUG, ("igmp_start: igmp_mac_filter(ADD "));
+      ip_addr_debug_print(IGMP_DEBUG, &allsystems);
+      LWIP_DEBUGF(IGMP_DEBUG, (") on if %p\n", netif));
+      netif->igmp_mac_filter(netif, &allsystems, IGMP_ADD_MAC_FILTER);
+    }
+
+    return ERR_OK;
+  }
+
+  return ERR_MEM;
+}
+
+/**
+ * Stop IGMP processing on interface
+ *
+ * @param netif network interface on which stop IGMP processing
+ */
+err_t
+igmp_stop(struct netif *netif)
+{
+  struct igmp_group *group = igmp_group_list;
+  struct igmp_group *prev  = NULL;
+  struct igmp_group *next;
+
+  /* look for groups joined on this interface further down the list */
+  while (group != NULL) {
+    next = group->next;
+    /* is it a group joined on this interface? */
+    if (group->netif == netif) {
+      /* is it the first group of the list? */
+      if (group == igmp_group_list) {
+        igmp_group_list = next;
+      }
+      /* is there a "previous" group defined? */
+      if (prev != NULL) {
+        prev->next = next;
+      }
+      /* disable the group at the MAC level */
+      if (netif->igmp_mac_filter != NULL) {
+        LWIP_DEBUGF(IGMP_DEBUG, ("igmp_stop: igmp_mac_filter(DEL "));
+        ip_addr_debug_print(IGMP_DEBUG, &group->group_address);
+        LWIP_DEBUGF(IGMP_DEBUG, (") on if %p\n", netif));
+        netif->igmp_mac_filter(netif, &(group->group_address), IGMP_DEL_MAC_FILTER);
+      }
+      /* free group */
+      memp_free(MEMP_IGMP_GROUP, group);
+    } else {
+      /* change the "previous" */
+      prev = group;
+    }
+    /* move to "next" */
+    group = next;
+  }
+  return ERR_OK;
+}
+
+/**
+ * Report IGMP memberships for this interface
+ *
+ * @param netif network interface on which report IGMP memberships
+ */
+void
+igmp_report_groups(struct netif *netif)
+{
+  struct igmp_group *group = igmp_group_list;
+
+  LWIP_DEBUGF(IGMP_DEBUG, ("igmp_report_groups: sending IGMP reports on if %p\n", netif));
+
+  while (group != NULL) {
+    if (group->netif == netif) {
+      igmp_delaying_member(group, IGMP_JOIN_DELAYING_MEMBER_TMR);
+    }
+    group = group->next;
+  }
+}
+
+/**
+ * Search for a group in the global igmp_group_list
+ *
+ * @param ifp the network interface for which to look
+ * @param addr the group ip address to search for
+ * @return a struct igmp_group* if the group has been found,
+ *         NULL if the group wasn't found.
+ */
+struct igmp_group *
+igmp_lookfor_group(struct netif *ifp, ip_addr_t *addr)
+{
+  struct igmp_group *group = igmp_group_list;
+
+  while (group != NULL) {
+    if ((group->netif == ifp) && (ip_addr_cmp(&(group->group_address), addr))) {
+      return group;
+    }
+    group = group->next;
+  }
+
+  /* to be clearer, we return NULL here instead of
+   * 'group' (which is also NULL at this point).
+   */
+  return NULL;
+}
+
+/**
+ * Search for a specific igmp group and create a new one if not found-
+ *
+ * @param ifp the network interface for which to look
+ * @param addr the group ip address to search
+ * @return a struct igmp_group*,
+ *         NULL on memory error.
+ */
+struct igmp_group *
+igmp_lookup_group(struct netif *ifp, ip_addr_t *addr)
+{
+  struct igmp_group *group = igmp_group_list;
+  
+  /* Search if the group already exists */
+  group = igmp_lookfor_group(ifp, addr);
+  if (group != NULL) {
+    /* Group already exists. */
+    return group;
+  }
+
+  /* Group doesn't exist yet, create a new one */
+  group = (struct igmp_group *)memp_malloc(MEMP_IGMP_GROUP);
+  if (group != NULL) {
+    group->netif              = ifp;
+    ip_addr_set(&(group->group_address), addr);
+    group->timer              = 0; /* Not running */
+    group->group_state        = IGMP_GROUP_NON_MEMBER;
+    group->last_reporter_flag = 0;
+    group->use                = 0;
+    group->next               = igmp_group_list;
+    
+    igmp_group_list = group;
+  }
+
+  LWIP_DEBUGF(IGMP_DEBUG, ("igmp_lookup_group: %sallocated a new group with address ", (group?"":"impossible to ")));
+  ip_addr_debug_print(IGMP_DEBUG, addr);
+  LWIP_DEBUGF(IGMP_DEBUG, (" on if %p\n", ifp));
+
+  return group;
+}
+
+/**
+ * Remove a group in the global igmp_group_list
+ *
+ * @param group the group to remove from the global igmp_group_list
+ * @return ERR_OK if group was removed from the list, an err_t otherwise
+ */
+static err_t
+igmp_remove_group(struct igmp_group *group)
+{
+  err_t err = ERR_OK;
+
+  /* Is it the first group? */
+  if (igmp_group_list == group) {
+    igmp_group_list = group->next;
+  } else {
+    /* look for group further down the list */
+    struct igmp_group *tmpGroup;
+    for (tmpGroup = igmp_group_list; tmpGroup != NULL; tmpGroup = tmpGroup->next) {
+      if (tmpGroup->next == group) {
+        tmpGroup->next = group->next;
+        break;
+      }
+    }
+    /* Group not found in the global igmp_group_list */
+    if (tmpGroup == NULL)
+      err = ERR_ARG;
+  }
+  /* free group */
+  memp_free(MEMP_IGMP_GROUP, group);
+
+  return err;
+}
+
+/**
+ * Called from ip_input() if a new IGMP packet is received.
+ *
+ * @param p received igmp packet, p->payload pointing to the ip header
+ * @param inp network interface on which the packet was received
+ * @param dest destination ip address of the igmp packet
+ */
+void
+igmp_input(struct pbuf *p, struct netif *inp, ip_addr_t *dest)
+{
+  struct ip_hdr *    iphdr;
+  struct igmp_msg*   igmp;
+  struct igmp_group* group;
+  struct igmp_group* groupref;
+
+  IGMP_STATS_INC(igmp.recv);
+
+  /* Note that the length CAN be greater than 8 but only 8 are used - All are included in the checksum */    
+  iphdr = (struct ip_hdr *)p->payload;
+  if (pbuf_header(p, -(s16_t)(IPH_HL(iphdr) * 4)) || (p->len < IGMP_MINLEN)) {
+    pbuf_free(p);
+    IGMP_STATS_INC(igmp.lenerr);
+    LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: length error\n"));
+    return;
+  }
+
+  LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: message from "));
+  ip_addr_debug_print(IGMP_DEBUG, &(iphdr->src));
+  LWIP_DEBUGF(IGMP_DEBUG, (" to address "));
+  ip_addr_debug_print(IGMP_DEBUG, &(iphdr->dest));
+  LWIP_DEBUGF(IGMP_DEBUG, (" on if %p\n", inp));
+
+  /* Now calculate and check the checksum */
+  igmp = (struct igmp_msg *)p->payload;
+  if (inet_chksum(igmp, p->len)) {
+    pbuf_free(p);
+    IGMP_STATS_INC(igmp.chkerr);
+    LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: checksum error\n"));
+    return;
+  }
+
+  /* Packet is ok so find an existing group */
+  group = igmp_lookfor_group(inp, dest); /* use the destination IP address of incoming packet */
+  
+  /* If group can be found or create... */
+  if (!group) {
+    pbuf_free(p);
+    IGMP_STATS_INC(igmp.drop);
+    LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: IGMP frame not for us\n"));
+    return;
+  }
+
+  /* NOW ACT ON THE INCOMING MESSAGE TYPE... */
+  switch (igmp->igmp_msgtype) {
+   case IGMP_MEMB_QUERY: {
+     /* IGMP_MEMB_QUERY to the "all systems" address ? */
+     if ((ip_addr_cmp(dest, &allsystems)) && ip_addr_isany(&igmp->igmp_group_address)) {
+       /* THIS IS THE GENERAL QUERY */
+       LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: General IGMP_MEMB_QUERY on \"ALL SYSTEMS\" address (224.0.0.1) [igmp_maxresp=%i]\n", (int)(igmp->igmp_maxresp)));
+
+       if (igmp->igmp_maxresp == 0) {
+         IGMP_STATS_INC(igmp.rx_v1);
+         LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: got an all hosts query with time== 0 - this is V1 and not implemented - treat as v2\n"));
+         igmp->igmp_maxresp = IGMP_V1_DELAYING_MEMBER_TMR;
+       } else {
+         IGMP_STATS_INC(igmp.rx_general);
+       }
+
+       groupref = igmp_group_list;
+       while (groupref) {
+         /* Do not send messages on the all systems group address! */
+         if ((groupref->netif == inp) && (!(ip_addr_cmp(&(groupref->group_address), &allsystems)))) {
+           igmp_delaying_member(groupref, igmp->igmp_maxresp);
+         }
+         groupref = groupref->next;
+       }
+     } else {
+       /* IGMP_MEMB_QUERY to a specific group ? */
+       if (!ip_addr_isany(&igmp->igmp_group_address)) {
+         LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: IGMP_MEMB_QUERY to a specific group "));
+         ip_addr_debug_print(IGMP_DEBUG, &igmp->igmp_group_address);
+         if (ip_addr_cmp(dest, &allsystems)) {
+           ip_addr_t groupaddr;
+           LWIP_DEBUGF(IGMP_DEBUG, (" using \"ALL SYSTEMS\" address (224.0.0.1) [igmp_maxresp=%i]\n", (int)(igmp->igmp_maxresp)));
+           /* we first need to re-look for the group since we used dest last time */
+           ip_addr_copy(groupaddr, igmp->igmp_group_address);
+           group = igmp_lookfor_group(inp, &groupaddr);
+         } else {
+           LWIP_DEBUGF(IGMP_DEBUG, (" with the group address as destination [igmp_maxresp=%i]\n", (int)(igmp->igmp_maxresp)));
+         }
+
+         if (group != NULL) {
+           IGMP_STATS_INC(igmp.rx_group);
+           igmp_delaying_member(group, igmp->igmp_maxresp);
+         } else {
+           IGMP_STATS_INC(igmp.drop);
+         }
+       } else {
+         IGMP_STATS_INC(igmp.proterr);
+       }
+     }
+     break;
+   }
+   case IGMP_V2_MEMB_REPORT: {
+     LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: IGMP_V2_MEMB_REPORT\n"));
+     IGMP_STATS_INC(igmp.rx_report);
+     if (group->group_state == IGMP_GROUP_DELAYING_MEMBER) {
+       /* This is on a specific group we have already looked up */
+       group->timer = 0; /* stopped */
+       group->group_state = IGMP_GROUP_IDLE_MEMBER;
+       group->last_reporter_flag = 0;
+     }
+     break;
+   }
+   default: {
+     LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: unexpected msg %d in state %d on group %p on if %p\n",
+       igmp->igmp_msgtype, group->group_state, &group, group->netif));
+     IGMP_STATS_INC(igmp.proterr);
+     break;
+   }
+  }
+
+  pbuf_free(p);
+  return;
+}
+
+/**
+ * Join a group on one network interface.
+ *
+ * @param ifaddr ip address of the network interface which should join a new group
+ * @param groupaddr the ip address of the group which to join
+ * @return ERR_OK if group was joined on the netif(s), an err_t otherwise
+ */
+err_t
+igmp_joingroup(ip_addr_t *ifaddr, ip_addr_t *groupaddr)
+{
+  err_t              err = ERR_VAL; /* no matching interface */
+  struct igmp_group *group;
+  struct netif      *netif;
+
+  /* make sure it is multicast address */
+  LWIP_ERROR("igmp_joingroup: attempt to join non-multicast address", ip_addr_ismulticast(groupaddr), return ERR_VAL;);
+  LWIP_ERROR("igmp_joingroup: attempt to join allsystems address", (!ip_addr_cmp(groupaddr, &allsystems)), return ERR_VAL;);
+
+  /* loop through netif's */
+  netif = netif_list;
+  while (netif != NULL) {
+    /* Should we join this interface ? */
+    if ((netif->flags & NETIF_FLAG_IGMP) && ((ip_addr_isany(ifaddr) || ip_addr_cmp(&(netif->ip_addr), ifaddr)))) {
+      /* find group or create a new one if not found */
+      group = igmp_lookup_group(netif, groupaddr);
+
+      if (group != NULL) {
+        /* This should create a new group, check the state to make sure */
+        if (group->group_state != IGMP_GROUP_NON_MEMBER) {
+          LWIP_DEBUGF(IGMP_DEBUG, ("igmp_joingroup: join to group not in state IGMP_GROUP_NON_MEMBER\n"));
+        } else {
+          /* OK - it was new group */
+          LWIP_DEBUGF(IGMP_DEBUG, ("igmp_joingroup: join to new group: "));
+          ip_addr_debug_print(IGMP_DEBUG, groupaddr);
+          LWIP_DEBUGF(IGMP_DEBUG, ("\n"));
+
+          /* If first use of the group, allow the group at the MAC level */
+          if ((group->use==0) && (netif->igmp_mac_filter != NULL)) {
+            LWIP_DEBUGF(IGMP_DEBUG, ("igmp_joingroup: igmp_mac_filter(ADD "));
+            ip_addr_debug_print(IGMP_DEBUG, groupaddr);
+            LWIP_DEBUGF(IGMP_DEBUG, (") on if %p\n", netif));
+            netif->igmp_mac_filter(netif, groupaddr, IGMP_ADD_MAC_FILTER);
+          }
+
+          IGMP_STATS_INC(igmp.tx_join);
+          igmp_send(group, IGMP_V2_MEMB_REPORT);
+
+          igmp_start_timer(group, IGMP_JOIN_DELAYING_MEMBER_TMR);
+
+          /* Need to work out where this timer comes from */
+          group->group_state = IGMP_GROUP_DELAYING_MEMBER;
+        }
+        /* Increment group use */
+        group->use++;
+        /* Join on this interface */
+        err = ERR_OK;
+      } else {
+        /* Return an error even if some network interfaces are joined */
+        /** @todo undo any other netif already joined */
+        LWIP_DEBUGF(IGMP_DEBUG, ("igmp_joingroup: Not enought memory to join to group\n"));
+        return ERR_MEM;
+      }
+    }
+    /* proceed to next network interface */
+    netif = netif->next;
+  }
+
+  return err;
+}
+
+/**
+ * Leave a group on one network interface.
+ *
+ * @param ifaddr ip address of the network interface which should leave a group
+ * @param groupaddr the ip address of the group which to leave
+ * @return ERR_OK if group was left on the netif(s), an err_t otherwise
+ */
+err_t
+igmp_leavegroup(ip_addr_t *ifaddr, ip_addr_t *groupaddr)
+{
+  err_t              err = ERR_VAL; /* no matching interface */
+  struct igmp_group *group;
+  struct netif      *netif;
+
+  /* make sure it is multicast address */
+  LWIP_ERROR("igmp_leavegroup: attempt to leave non-multicast address", ip_addr_ismulticast(groupaddr), return ERR_VAL;);
+  LWIP_ERROR("igmp_leavegroup: attempt to leave allsystems address", (!ip_addr_cmp(groupaddr, &allsystems)), return ERR_VAL;);
+
+  /* loop through netif's */
+  netif = netif_list;
+  while (netif != NULL) {
+    /* Should we leave this interface ? */
+    if ((netif->flags & NETIF_FLAG_IGMP) && ((ip_addr_isany(ifaddr) || ip_addr_cmp(&(netif->ip_addr), ifaddr)))) {
+      /* find group */
+      group = igmp_lookfor_group(netif, groupaddr);
+
+      if (group != NULL) {
+        /* Only send a leave if the flag is set according to the state diagram */
+        LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: Leaving group: "));
+        ip_addr_debug_print(IGMP_DEBUG, groupaddr);
+        LWIP_DEBUGF(IGMP_DEBUG, ("\n"));
+
+        /* If there is no other use of the group */
+        if (group->use <= 1) {
+          /* If we are the last reporter for this group */
+          if (group->last_reporter_flag) {
+            LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: sending leaving group\n"));
+            IGMP_STATS_INC(igmp.tx_leave);
+            igmp_send(group, IGMP_LEAVE_GROUP);
+          }
+          
+          /* Disable the group at the MAC level */
+          if (netif->igmp_mac_filter != NULL) {
+            LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: igmp_mac_filter(DEL "));
+            ip_addr_debug_print(IGMP_DEBUG, groupaddr);
+            LWIP_DEBUGF(IGMP_DEBUG, (") on if %p\n", netif));
+            netif->igmp_mac_filter(netif, groupaddr, IGMP_DEL_MAC_FILTER);
+          }
+          
+          LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: remove group: "));
+          ip_addr_debug_print(IGMP_DEBUG, groupaddr);
+          LWIP_DEBUGF(IGMP_DEBUG, ("\n"));          
+          
+          /* Free the group */
+          igmp_remove_group(group);
+        } else {
+          /* Decrement group use */
+          group->use--;
+        }
+        /* Leave on this interface */
+        err = ERR_OK;
+      } else {
+        /* It's not a fatal error on "leavegroup" */
+        LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: not member of group\n"));
+      }
+    }
+    /* proceed to next network interface */
+    netif = netif->next;
+  }
+
+  return err;
+}
+
+/**
+ * The igmp timer function (both for NO_SYS=1 and =0)
+ * Should be called every IGMP_TMR_INTERVAL milliseconds (100 ms is default).
+ */
+void
+igmp_tmr(void)
+{
+  struct igmp_group *group = igmp_group_list;
+
+  while (group != NULL) {
+    if (group->timer > 0) {
+      group->timer--;
+      if (group->timer == 0) {
+        igmp_timeout(group);
+      }
+    }
+    group = group->next;
+  }
+}
+
+/**
+ * Called if a timeout for one group is reached.
+ * Sends a report for this group.
+ *
+ * @param group an igmp_group for which a timeout is reached
+ */
+static void
+igmp_timeout(struct igmp_group *group)
+{
+  /* If the state is IGMP_GROUP_DELAYING_MEMBER then we send a report for this group */
+  if (group->group_state == IGMP_GROUP_DELAYING_MEMBER) {
+    LWIP_DEBUGF(IGMP_DEBUG, ("igmp_timeout: report membership for group with address "));
+    ip_addr_debug_print(IGMP_DEBUG, &(group->group_address));
+    LWIP_DEBUGF(IGMP_DEBUG, (" on if %p\n", group->netif));
+
+    IGMP_STATS_INC(igmp.tx_report);
+    igmp_send(group, IGMP_V2_MEMB_REPORT);
+  }
+}
+
+/**
+ * Start a timer for an igmp group
+ *
+ * @param group the igmp_group for which to start a timer
+ * @param max_time the time in multiples of IGMP_TMR_INTERVAL (decrease with
+ *        every call to igmp_tmr())
+ */
+static void
+igmp_start_timer(struct igmp_group *group, u8_t max_time)
+{
+  /* ensure the input value is > 0 */
+  if (max_time == 0) {
+    max_time = 1;
+  }
+  /* ensure the random value is > 0 */
+  group->timer = (LWIP_RAND() % (max_time - 1)) + 1;
+}
+
+/**
+ * Stop a timer for an igmp_group
+ *
+ * @param group the igmp_group for which to stop the timer
+ */
+static void
+igmp_stop_timer(struct igmp_group *group)
+{
+  group->timer = 0;
+}
+
+/**
+ * Delaying membership report for a group if necessary
+ *
+ * @param group the igmp_group for which "delaying" membership report
+ * @param maxresp query delay
+ */
+static void
+igmp_delaying_member(struct igmp_group *group, u8_t maxresp)
+{
+  if ((group->group_state == IGMP_GROUP_IDLE_MEMBER) ||
+     ((group->group_state == IGMP_GROUP_DELAYING_MEMBER) &&
+      ((group->timer == 0) || (maxresp < group->timer)))) {
+    igmp_start_timer(group, maxresp);
+    group->group_state = IGMP_GROUP_DELAYING_MEMBER;
+  }
+}
+
+
+/**
+ * Sends an IP packet on a network interface. This function constructs the IP header
+ * and calculates the IP header checksum. If the source IP address is NULL,
+ * the IP address of the outgoing network interface is filled in as source address.
+ *
+ * @param p the packet to send (p->payload points to the data, e.g. next
+            protocol header; if dest == IP_HDRINCL, p already includes an IP
+            header and p->payload points to that IP header)
+ * @param src the source IP address to send from (if src == IP_ADDR_ANY, the
+ *         IP  address of the netif used to send is used as source address)
+ * @param dest the destination IP address to send the packet to
+ * @param ttl the TTL value to be set in the IP header
+ * @param proto the PROTOCOL to be set in the IP header
+ * @param netif the netif on which to send this packet
+ * @return ERR_OK if the packet was sent OK
+ *         ERR_BUF if p doesn't have enough space for IP/LINK headers
+ *         returns errors returned by netif->output
+ */
+static err_t
+igmp_ip_output_if(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, struct netif *netif)
+{
+  /* This is the "router alert" option */
+  u16_t ra[2];
+  ra[0] = PP_HTONS(ROUTER_ALERT);
+  ra[1] = 0x0000; /* Router shall examine packet */
+  IGMP_STATS_INC(igmp.xmit);
+  return ip_output_if_opt(p, src, dest, IGMP_TTL, 0, IP_PROTO_IGMP, netif, ra, ROUTER_ALERTLEN);
+}
+
+/**
+ * Send an igmp packet to a specific group.
+ *
+ * @param group the group to which to send the packet
+ * @param type the type of igmp packet to send
+ */
+static void
+igmp_send(struct igmp_group *group, u8_t type)
+{
+  struct pbuf*     p    = NULL;
+  struct igmp_msg* igmp = NULL;
+  ip_addr_t   src  = *IP_ADDR_ANY;
+  ip_addr_t*  dest = NULL;
+
+  /* IP header + "router alert" option + IGMP header */
+  p = pbuf_alloc(PBUF_TRANSPORT, IGMP_MINLEN, PBUF_RAM);
+  
+  if (p) {
+    igmp = (struct igmp_msg *)p->payload;
+    LWIP_ASSERT("igmp_send: check that first pbuf can hold struct igmp_msg",
+               (p->len >= sizeof(struct igmp_msg)));
+    ip_addr_copy(src, group->netif->ip_addr);
+     
+    if (type == IGMP_V2_MEMB_REPORT) {
+      dest = &(group->group_address);
+      ip_addr_copy(igmp->igmp_group_address, group->group_address);
+      group->last_reporter_flag = 1; /* Remember we were the last to report */
+    } else {
+      if (type == IGMP_LEAVE_GROUP) {
+        dest = &allrouters;
+        ip_addr_copy(igmp->igmp_group_address, group->group_address);
+      }
+    }
+
+    if ((type == IGMP_V2_MEMB_REPORT) || (type == IGMP_LEAVE_GROUP)) {
+      igmp->igmp_msgtype  = type;
+      igmp->igmp_maxresp  = 0;
+      igmp->igmp_checksum = 0;
+      igmp->igmp_checksum = inet_chksum(igmp, IGMP_MINLEN);
+
+      igmp_ip_output_if(p, &src, dest, group->netif);
+    }
+
+    pbuf_free(p);
+  } else {
+    LWIP_DEBUGF(IGMP_DEBUG, ("igmp_send: not enough memory for igmp_send\n"));
+    IGMP_STATS_INC(igmp.memerr);
+  }
+}
+
+#endif /* LWIP_IGMP */
diff --git a/libraries/net/lwip/lwip/core/ipv4/inet.c b/libraries/net/lwip/lwip/core/ipv4/inet.c
new file mode 100644
index 0000000000..e283a57660
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/ipv4/inet.c
@@ -0,0 +1,42 @@
+/**
+ * @file
+ * Functions common to all TCP/IPv4 modules, such as the byte order functions.
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#include "lwip/inet.h"
+
diff --git a/libraries/net/lwip/lwip/core/ipv4/inet_chksum.c b/libraries/net/lwip/lwip/core/ipv4/inet_chksum.c
new file mode 100644
index 0000000000..960252f64f
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/ipv4/inet_chksum.c
@@ -0,0 +1,450 @@
+/**
+ * @file
+ * Incluse internet checksum functions.
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#include "lwip/inet_chksum.h"
+#include "lwip/def.h"
+
+#include 
+#include 
+
+/* These are some reference implementations of the checksum algorithm, with the
+ * aim of being simple, correct and fully portable. Checksumming is the
+ * first thing you would want to optimize for your platform. If you create
+ * your own version, link it in and in your cc.h put:
+ * 
+ * #define LWIP_CHKSUM  
+ *
+ * Or you can select from the implementations below by defining
+ * LWIP_CHKSUM_ALGORITHM to 1, 2 or 3.
+ */
+
+#ifndef LWIP_CHKSUM
+# define LWIP_CHKSUM lwip_standard_chksum
+# ifndef LWIP_CHKSUM_ALGORITHM
+#  define LWIP_CHKSUM_ALGORITHM 2
+# endif
+#endif
+/* If none set: */
+#ifndef LWIP_CHKSUM_ALGORITHM
+# define LWIP_CHKSUM_ALGORITHM 0
+#endif
+
+#if (LWIP_CHKSUM_ALGORITHM == 1) /* Version #1 */
+/**
+ * lwip checksum
+ *
+ * @param dataptr points to start of data to be summed at any boundary
+ * @param len length of data to be summed
+ * @return host order (!) lwip checksum (non-inverted Internet sum) 
+ *
+ * @note accumulator size limits summable length to 64k
+ * @note host endianess is irrelevant (p3 RFC1071)
+ */
+static u16_t
+lwip_standard_chksum(void *dataptr, u16_t len)
+{
+  u32_t acc;
+  u16_t src;
+  u8_t *octetptr;
+
+  acc = 0;
+  /* dataptr may be at odd or even addresses */
+  octetptr = (u8_t*)dataptr;
+  while (len > 1) {
+    /* declare first octet as most significant
+       thus assume network order, ignoring host order */
+    src = (*octetptr) << 8;
+    octetptr++;
+    /* declare second octet as least significant */
+    src |= (*octetptr);
+    octetptr++;
+    acc += src;
+    len -= 2;
+  }
+  if (len > 0) {
+    /* accumulate remaining octet */
+    src = (*octetptr) << 8;
+    acc += src;
+  }
+  /* add deferred carry bits */
+  acc = (acc >> 16) + (acc & 0x0000ffffUL);
+  if ((acc & 0xffff0000UL) != 0) {
+    acc = (acc >> 16) + (acc & 0x0000ffffUL);
+  }
+  /* This maybe a little confusing: reorder sum using htons()
+     instead of ntohs() since it has a little less call overhead.
+     The caller must invert bits for Internet sum ! */
+  return htons((u16_t)acc);
+}
+#endif
+
+#if (LWIP_CHKSUM_ALGORITHM == 2) /* Alternative version #2 */
+/*
+ * Curt McDowell
+ * Broadcom Corp.
+ * csm@broadcom.com
+ *
+ * IP checksum two bytes at a time with support for
+ * unaligned buffer.
+ * Works for len up to and including 0x20000.
+ * by Curt McDowell, Broadcom Corp. 12/08/2005
+ *
+ * @param dataptr points to start of data to be summed at any boundary
+ * @param len length of data to be summed
+ * @return host order (!) lwip checksum (non-inverted Internet sum) 
+ */
+
+static u16_t
+lwip_standard_chksum(void *dataptr, int len)
+{
+  u8_t *pb = (u8_t *)dataptr;
+  u16_t *ps, t = 0;
+  u32_t sum = 0;
+  int odd = ((mem_ptr_t)pb & 1);
+
+  /* Get aligned to u16_t */
+  if (odd && len > 0) {
+    ((u8_t *)&t)[1] = *pb++;
+    len--;
+  }
+
+  /* Add the bulk of the data */
+  ps = (u16_t *)(void *)pb;
+  while (len > 1) {
+    sum += *ps++;
+    len -= 2;
+  }
+
+  /* Consume left-over byte, if any */
+  if (len > 0) {
+    ((u8_t *)&t)[0] = *(u8_t *)ps;
+  }
+
+  /* Add end bytes */
+  sum += t;
+
+  /* Fold 32-bit sum to 16 bits
+     calling this twice is propably faster than if statements... */
+  sum = FOLD_U32T(sum);
+  sum = FOLD_U32T(sum);
+
+  /* Swap if alignment was odd */
+  if (odd) {
+    sum = SWAP_BYTES_IN_WORD(sum);
+  }
+
+  return (u16_t)sum;
+}
+#endif
+
+#if (LWIP_CHKSUM_ALGORITHM == 3) /* Alternative version #3 */
+/**
+ * An optimized checksum routine. Basically, it uses loop-unrolling on
+ * the checksum loop, treating the head and tail bytes specially, whereas
+ * the inner loop acts on 8 bytes at a time. 
+ *
+ * @arg start of buffer to be checksummed. May be an odd byte address.
+ * @len number of bytes in the buffer to be checksummed.
+ * @return host order (!) lwip checksum (non-inverted Internet sum) 
+ * 
+ * by Curt McDowell, Broadcom Corp. December 8th, 2005
+ */
+
+static u16_t
+lwip_standard_chksum(void *dataptr, int len)
+{
+  u8_t *pb = (u8_t *)dataptr;
+  u16_t *ps, t = 0;
+  u32_t *pl;
+  u32_t sum = 0, tmp;
+  /* starts at odd byte address? */
+  int odd = ((mem_ptr_t)pb & 1);
+
+  if (odd && len > 0) {
+    ((u8_t *)&t)[1] = *pb++;
+    len--;
+  }
+
+  ps = (u16_t *)pb;
+
+  if (((mem_ptr_t)ps & 3) && len > 1) {
+    sum += *ps++;
+    len -= 2;
+  }
+
+  pl = (u32_t *)ps;
+
+  while (len > 7)  {
+    tmp = sum + *pl++;          /* ping */
+    if (tmp < sum) {
+      tmp++;                    /* add back carry */
+    }
+
+    sum = tmp + *pl++;          /* pong */
+    if (sum < tmp) {
+      sum++;                    /* add back carry */
+    }
+
+    len -= 8;
+  }
+
+  /* make room in upper bits */
+  sum = FOLD_U32T(sum);
+
+  ps = (u16_t *)pl;
+
+  /* 16-bit aligned word remaining? */
+  while (len > 1) {
+    sum += *ps++;
+    len -= 2;
+  }
+
+  /* dangling tail byte remaining? */
+  if (len > 0) {                /* include odd byte */
+    ((u8_t *)&t)[0] = *(u8_t *)ps;
+  }
+
+  sum += t;                     /* add end bytes */
+
+  /* Fold 32-bit sum to 16 bits
+     calling this twice is propably faster than if statements... */
+  sum = FOLD_U32T(sum);
+  sum = FOLD_U32T(sum);
+
+  if (odd) {
+    sum = SWAP_BYTES_IN_WORD(sum);
+  }
+
+  return (u16_t)sum;
+}
+#endif
+
+/* inet_chksum_pseudo:
+ *
+ * Calculates the pseudo Internet checksum used by TCP and UDP for a pbuf chain.
+ * IP addresses are expected to be in network byte order.
+ *
+ * @param p chain of pbufs over that a checksum should be calculated (ip data part)
+ * @param src source ip address (used for checksum of pseudo header)
+ * @param dst destination ip address (used for checksum of pseudo header)
+ * @param proto ip protocol (used for checksum of pseudo header)
+ * @param proto_len length of the ip data part (used for checksum of pseudo header)
+ * @return checksum (as u16_t) to be saved directly in the protocol header
+ */
+u16_t
+inet_chksum_pseudo(struct pbuf *p,
+       ip_addr_t *src, ip_addr_t *dest,
+       u8_t proto, u16_t proto_len)
+{
+  u32_t acc;
+  u32_t addr;
+  struct pbuf *q;
+  u8_t swapped;
+
+  acc = 0;
+  swapped = 0;
+  /* iterate through all pbuf in chain */
+  for(q = p; q != NULL; q = q->next) {
+    LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): checksumming pbuf %p (has next %p) \n",
+      (void *)q, (void *)q->next));
+    acc += LWIP_CHKSUM(q->payload, q->len);
+    /*LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): unwrapped lwip_chksum()=%"X32_F" \n", acc));*/
+    /* just executing this next line is probably faster that the if statement needed
+       to check whether we really need to execute it, and does no harm */
+    acc = FOLD_U32T(acc);
+    if (q->len % 2 != 0) {
+      swapped = 1 - swapped;
+      acc = SWAP_BYTES_IN_WORD(acc);
+    }
+    /*LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): wrapped lwip_chksum()=%"X32_F" \n", acc));*/
+  }
+
+  if (swapped) {
+    acc = SWAP_BYTES_IN_WORD(acc);
+  }
+  addr = ip4_addr_get_u32(src);
+  acc += (addr & 0xffffUL);
+  acc += ((addr >> 16) & 0xffffUL);
+  addr = ip4_addr_get_u32(dest);
+  acc += (addr & 0xffffUL);
+  acc += ((addr >> 16) & 0xffffUL);
+  acc += (u32_t)htons((u16_t)proto);
+  acc += (u32_t)htons(proto_len);
+
+  /* Fold 32-bit sum to 16 bits
+     calling this twice is propably faster than if statements... */
+  acc = FOLD_U32T(acc);
+  acc = FOLD_U32T(acc);
+  LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): pbuf chain lwip_chksum()=%"X32_F"\n", acc));
+  return (u16_t)~(acc & 0xffffUL);
+}
+
+/* inet_chksum_pseudo:
+ *
+ * Calculates the pseudo Internet checksum used by TCP and UDP for a pbuf chain.
+ * IP addresses are expected to be in network byte order.
+ *
+ * @param p chain of pbufs over that a checksum should be calculated (ip data part)
+ * @param src source ip address (used for checksum of pseudo header)
+ * @param dst destination ip address (used for checksum of pseudo header)
+ * @param proto ip protocol (used for checksum of pseudo header)
+ * @param proto_len length of the ip data part (used for checksum of pseudo header)
+ * @return checksum (as u16_t) to be saved directly in the protocol header
+ */
+u16_t
+inet_chksum_pseudo_partial(struct pbuf *p,
+       ip_addr_t *src, ip_addr_t *dest,
+       u8_t proto, u16_t proto_len, u16_t chksum_len)
+{
+  u32_t acc;
+  u32_t addr;
+  struct pbuf *q;
+  u8_t swapped;
+  u16_t chklen;
+
+  acc = 0;
+  swapped = 0;
+  /* iterate through all pbuf in chain */
+  for(q = p; (q != NULL) && (chksum_len > 0); q = q->next) {
+    LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): checksumming pbuf %p (has next %p) \n",
+      (void *)q, (void *)q->next));
+    chklen = q->len;
+    if (chklen > chksum_len) {
+      chklen = chksum_len;
+    }
+    acc += LWIP_CHKSUM(q->payload, chklen);
+    chksum_len -= chklen;
+    LWIP_ASSERT("delete me", chksum_len < 0x7fff);
+    /*LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): unwrapped lwip_chksum()=%"X32_F" \n", acc));*/
+    /* fold the upper bit down */
+    acc = FOLD_U32T(acc);
+    if (q->len % 2 != 0) {
+      swapped = 1 - swapped;
+      acc = SWAP_BYTES_IN_WORD(acc);
+    }
+    /*LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): wrapped lwip_chksum()=%"X32_F" \n", acc));*/
+  }
+
+  if (swapped) {
+    acc = SWAP_BYTES_IN_WORD(acc);
+  }
+  addr = ip4_addr_get_u32(src);
+  acc += (addr & 0xffffUL);
+  acc += ((addr >> 16) & 0xffffUL);
+  addr = ip4_addr_get_u32(dest);
+  acc += (addr & 0xffffUL);
+  acc += ((addr >> 16) & 0xffffUL);
+  acc += (u32_t)htons((u16_t)proto);
+  acc += (u32_t)htons(proto_len);
+
+  /* Fold 32-bit sum to 16 bits
+     calling this twice is propably faster than if statements... */
+  acc = FOLD_U32T(acc);
+  acc = FOLD_U32T(acc);
+  LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): pbuf chain lwip_chksum()=%"X32_F"\n", acc));
+  return (u16_t)~(acc & 0xffffUL);
+}
+
+/* inet_chksum:
+ *
+ * Calculates the Internet checksum over a portion of memory. Used primarily for IP
+ * and ICMP.
+ *
+ * @param dataptr start of the buffer to calculate the checksum (no alignment needed)
+ * @param len length of the buffer to calculate the checksum
+ * @return checksum (as u16_t) to be saved directly in the protocol header
+ */
+
+u16_t
+inet_chksum(void *dataptr, u16_t len)
+{
+  return ~LWIP_CHKSUM(dataptr, len);
+}
+
+/**
+ * Calculate a checksum over a chain of pbufs (without pseudo-header, much like
+ * inet_chksum only pbufs are used).
+ *
+ * @param p pbuf chain over that the checksum should be calculated
+ * @return checksum (as u16_t) to be saved directly in the protocol header
+ */
+u16_t
+inet_chksum_pbuf(struct pbuf *p)
+{
+  u32_t acc;
+  struct pbuf *q;
+  u8_t swapped;
+
+  acc = 0;
+  swapped = 0;
+  for(q = p; q != NULL; q = q->next) {
+    acc += LWIP_CHKSUM(q->payload, q->len);
+    acc = FOLD_U32T(acc);
+    if (q->len % 2 != 0) {
+      swapped = 1 - swapped;
+      acc = SWAP_BYTES_IN_WORD(acc);
+    }
+  }
+
+  if (swapped) {
+    acc = SWAP_BYTES_IN_WORD(acc);
+  }
+  return (u16_t)~(acc & 0xffffUL);
+}
+
+/* These are some implementations for LWIP_CHKSUM_COPY, which copies data
+ * like MEMCPY but generates a checksum at the same time. Since this is a
+ * performance-sensitive function, you might want to create your own version
+ * in assembly targeted at your hardware by defining it in lwipopts.h:
+ *   #define LWIP_CHKSUM_COPY(dst, src, len) your_chksum_copy(dst, src, len)
+ */
+
+#if (LWIP_CHKSUM_COPY_ALGORITHM == 1) /* Version #1 */
+/** Safe but slow: first call MEMCPY, then call LWIP_CHKSUM.
+ * For architectures with big caches, data might still be in cache when
+ * generating the checksum after copying.
+ */
+u16_t
+lwip_chksum_copy(void *dst, const void *src, u16_t len)
+{
+  MEMCPY(dst, src, len);
+  return LWIP_CHKSUM(dst, len);
+}
+#endif /* (LWIP_CHKSUM_COPY_ALGORITHM == 1) */
diff --git a/libraries/net/lwip/lwip/core/ipv4/ip.c b/libraries/net/lwip/lwip/core/ipv4/ip.c
new file mode 100644
index 0000000000..6f248716b6
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/ipv4/ip.c
@@ -0,0 +1,857 @@
+/**
+ * @file
+ * This is the IPv4 layer implementation for incoming and outgoing IP traffic.
+ * 
+ * @see ip_frag.c
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+#include "lwip/ip.h"
+#include "lwip/def.h"
+#include "lwip/mem.h"
+#include "lwip/ip_frag.h"
+#include "lwip/inet_chksum.h"
+#include "lwip/netif.h"
+#include "lwip/icmp.h"
+#include "lwip/igmp.h"
+#include "lwip/raw.h"
+#include "lwip/udp.h"
+#include "lwip/tcp_impl.h"
+#include "lwip/snmp.h"
+#include "lwip/dhcp.h"
+#include "lwip/autoip.h"
+#include "lwip/stats.h"
+#include "arch/perf.h"
+
+#include 
+
+/** Set this to 0 in the rare case of wanting to call an extra function to
+ * generate the IP checksum (in contrast to calculating it on-the-fly). */
+#ifndef LWIP_INLINE_IP_CHKSUM
+#define LWIP_INLINE_IP_CHKSUM   1
+#endif
+#if LWIP_INLINE_IP_CHKSUM && CHECKSUM_GEN_IP
+#define CHECKSUM_GEN_IP_INLINE  1
+#else
+#define CHECKSUM_GEN_IP_INLINE  0
+#endif
+
+#if LWIP_DHCP || defined(LWIP_IP_ACCEPT_UDP_PORT)
+#define IP_ACCEPT_LINK_LAYER_ADDRESSING 1
+
+/** Some defines for DHCP to let link-layer-addressed packets through while the
+ * netif is down.
+ * To use this in your own application/protocol, define LWIP_IP_ACCEPT_UDP_PORT
+ * to return 1 if the port is accepted and 0 if the port is not accepted.
+ */
+#if LWIP_DHCP && defined(LWIP_IP_ACCEPT_UDP_PORT)
+/* accept DHCP client port and custom port */
+#define IP_ACCEPT_LINK_LAYER_ADDRESSED_PORT(port) (((port) == PP_NTOHS(DHCP_CLIENT_PORT)) \
+         || (LWIP_IP_ACCEPT_UDP_PORT(port)))
+#elif defined(LWIP_IP_ACCEPT_UDP_PORT) /* LWIP_DHCP && defined(LWIP_IP_ACCEPT_UDP_PORT) */
+/* accept custom port only */
+#define IP_ACCEPT_LINK_LAYER_ADDRESSED_PORT(port) (LWIP_IP_ACCEPT_UDP_PORT(dst_port))
+#else /* LWIP_DHCP && defined(LWIP_IP_ACCEPT_UDP_PORT) */
+/* accept DHCP client port only */
+#define IP_ACCEPT_LINK_LAYER_ADDRESSED_PORT(port) ((port) == PP_NTOHS(DHCP_CLIENT_PORT))
+#endif /* LWIP_DHCP && defined(LWIP_IP_ACCEPT_UDP_PORT) */
+
+#else /* LWIP_DHCP */
+#define IP_ACCEPT_LINK_LAYER_ADDRESSING 0
+#endif /* LWIP_DHCP */
+
+/**
+ * The interface that provided the packet for the current callback
+ * invocation.
+ */
+struct netif *current_netif;
+
+/**
+ * Header of the input packet currently being processed.
+ */
+const struct ip_hdr *current_header;
+/** Source IP address of current_header */
+ip_addr_t current_iphdr_src;
+/** Destination IP address of current_header */
+ip_addr_t current_iphdr_dest;
+
+/** The IP header ID of the next outgoing IP packet */
+static u16_t ip_id;
+
+/**
+ * Finds the appropriate network interface for a given IP address. It
+ * searches the list of network interfaces linearly. A match is found
+ * if the masked IP address of the network interface equals the masked
+ * IP address given to the function.
+ *
+ * @param dest the destination IP address for which to find the route
+ * @return the netif on which to send to reach dest
+ */
+struct netif *
+ip_route(ip_addr_t *dest)
+{
+  struct netif *netif;
+
+  /* iterate through netifs */
+  for(netif = netif_list; netif != NULL; netif = netif->next) {
+    /* network mask matches? */
+    if (netif_is_up(netif)) {
+      if (ip_addr_netcmp(dest, &(netif->ip_addr), &(netif->netmask))) {
+        /* return netif on which to forward IP packet */
+        return netif;
+      }
+    }
+  }
+  if ((netif_default == NULL) || (!netif_is_up(netif_default))) {
+    LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("ip_route: No route to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+      ip4_addr1_16(dest), ip4_addr2_16(dest), ip4_addr3_16(dest), ip4_addr4_16(dest)));
+    IP_STATS_INC(ip.rterr);
+    snmp_inc_ipoutnoroutes();
+    return NULL;
+  }
+  /* no matching netif found, use default netif */
+  return netif_default;
+}
+
+#if IP_FORWARD
+/**
+ * Forwards an IP packet. It finds an appropriate route for the
+ * packet, decrements the TTL value of the packet, adjusts the
+ * checksum and outputs the packet on the appropriate interface.
+ *
+ * @param p the packet to forward (p->payload points to IP header)
+ * @param iphdr the IP header of the input packet
+ * @param inp the netif on which this packet was received
+ */
+static void
+ip_forward(struct pbuf *p, struct ip_hdr *iphdr, struct netif *inp)
+{
+  struct netif *netif;
+
+  PERF_START;
+
+  /* RFC3927 2.7: do not forward link-local addresses */
+  if (ip_addr_islinklocal(¤t_iphdr_dest)) {
+    LWIP_DEBUGF(IP_DEBUG, ("ip_forward: not forwarding LLA %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+      ip4_addr1_16(¤t_iphdr_dest), ip4_addr2_16(¤t_iphdr_dest),
+      ip4_addr3_16(¤t_iphdr_dest), ip4_addr4_16(¤t_iphdr_dest)));
+    goto return_noroute;
+  }
+
+  /* Find network interface where to forward this IP packet to. */
+  netif = ip_route(¤t_iphdr_dest);
+  if (netif == NULL) {
+    LWIP_DEBUGF(IP_DEBUG, ("ip_forward: no forwarding route for %"U16_F".%"U16_F".%"U16_F".%"U16_F" found\n",
+      ip4_addr1_16(¤t_iphdr_dest), ip4_addr2_16(¤t_iphdr_dest),
+      ip4_addr3_16(¤t_iphdr_dest), ip4_addr4_16(¤t_iphdr_dest)));
+    goto return_noroute;
+  }
+  /* Do not forward packets onto the same network interface on which
+   * they arrived. */
+  if (netif == inp) {
+    LWIP_DEBUGF(IP_DEBUG, ("ip_forward: not bouncing packets back on incoming interface.\n"));
+    goto return_noroute;
+  }
+
+  /* decrement TTL */
+  IPH_TTL_SET(iphdr, IPH_TTL(iphdr) - 1);
+  /* send ICMP if TTL == 0 */
+  if (IPH_TTL(iphdr) == 0) {
+    snmp_inc_ipinhdrerrors();
+#if LWIP_ICMP
+    /* Don't send ICMP messages in response to ICMP messages */
+    if (IPH_PROTO(iphdr) != IP_PROTO_ICMP) {
+      icmp_time_exceeded(p, ICMP_TE_TTL);
+    }
+#endif /* LWIP_ICMP */
+    return;
+  }
+
+  /* Incrementally update the IP checksum. */
+  if (IPH_CHKSUM(iphdr) >= PP_HTONS(0xffffU - 0x100)) {
+    IPH_CHKSUM_SET(iphdr, IPH_CHKSUM(iphdr) + PP_HTONS(0x100) + 1);
+  } else {
+    IPH_CHKSUM_SET(iphdr, IPH_CHKSUM(iphdr) + PP_HTONS(0x100));
+  }
+
+  LWIP_DEBUGF(IP_DEBUG, ("ip_forward: forwarding packet to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+    ip4_addr1_16(¤t_iphdr_dest), ip4_addr2_16(¤t_iphdr_dest),
+    ip4_addr3_16(¤t_iphdr_dest), ip4_addr4_16(¤t_iphdr_dest)));
+
+  IP_STATS_INC(ip.fw);
+  IP_STATS_INC(ip.xmit);
+  snmp_inc_ipforwdatagrams();
+
+  PERF_STOP("ip_forward");
+  /* transmit pbuf on chosen interface */
+  netif->output(netif, p, ¤t_iphdr_dest);
+  return;
+return_noroute:
+  snmp_inc_ipoutnoroutes();
+}
+#endif /* IP_FORWARD */
+
+/**
+ * This function is called by the network interface device driver when
+ * an IP packet is received. The function does the basic checks of the
+ * IP header such as packet size being at least larger than the header
+ * size etc. If the packet was not destined for us, the packet is
+ * forwarded (using ip_forward). The IP checksum is always checked.
+ *
+ * Finally, the packet is sent to the upper layer protocol input function.
+ * 
+ * @param p the received IP packet (p->payload points to IP header)
+ * @param inp the netif on which this packet was received
+ * @return ERR_OK if the packet was processed (could return ERR_* if it wasn't
+ *         processed, but currently always returns ERR_OK)
+ */
+err_t
+ip_input(struct pbuf *p, struct netif *inp)
+{
+  struct ip_hdr *iphdr;
+  struct netif *netif;
+  u16_t iphdr_hlen;
+  u16_t iphdr_len;
+#if IP_ACCEPT_LINK_LAYER_ADDRESSING
+  int check_ip_src=1;
+#endif /* IP_ACCEPT_LINK_LAYER_ADDRESSING */
+
+  IP_STATS_INC(ip.recv);
+  snmp_inc_ipinreceives();
+
+  /* identify the IP header */
+  iphdr = (struct ip_hdr *)p->payload;
+  if (IPH_V(iphdr) != 4) {
+    LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_WARNING, ("IP packet dropped due to bad version number %"U16_F"\n", IPH_V(iphdr)));
+    ip_debug_print(p);
+    pbuf_free(p);
+    IP_STATS_INC(ip.err);
+    IP_STATS_INC(ip.drop);
+    snmp_inc_ipinhdrerrors();
+    return ERR_OK;
+  }
+
+  /* obtain IP header length in number of 32-bit words */
+  iphdr_hlen = IPH_HL(iphdr);
+  /* calculate IP header length in bytes */
+  iphdr_hlen *= 4;
+  /* obtain ip length in bytes */
+  iphdr_len = ntohs(IPH_LEN(iphdr));
+
+  /* header length exceeds first pbuf length, or ip length exceeds total pbuf length? */
+  if ((iphdr_hlen > p->len) || (iphdr_len > p->tot_len)) {
+    if (iphdr_hlen > p->len) {
+      LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
+        ("IP header (len %"U16_F") does not fit in first pbuf (len %"U16_F"), IP packet dropped.\n",
+        iphdr_hlen, p->len));
+    }
+    if (iphdr_len > p->tot_len) {
+      LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
+        ("IP (len %"U16_F") is longer than pbuf (len %"U16_F"), IP packet dropped.\n",
+        iphdr_len, p->tot_len));
+    }
+    /* free (drop) packet pbufs */
+    pbuf_free(p);
+    IP_STATS_INC(ip.lenerr);
+    IP_STATS_INC(ip.drop);
+    snmp_inc_ipindiscards();
+    return ERR_OK;
+  }
+
+  /* verify checksum */
+#if CHECKSUM_CHECK_IP
+  if (inet_chksum(iphdr, iphdr_hlen) != 0) {
+
+    LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
+      ("Checksum (0x%"X16_F") failed, IP packet dropped.\n", inet_chksum(iphdr, iphdr_hlen)));
+    ip_debug_print(p);
+    pbuf_free(p);
+    IP_STATS_INC(ip.chkerr);
+    IP_STATS_INC(ip.drop);
+    snmp_inc_ipinhdrerrors();
+    return ERR_OK;
+  }
+#endif
+
+  /* Trim pbuf. This should have been done at the netif layer,
+   * but we'll do it anyway just to be sure that its done. */
+  pbuf_realloc(p, iphdr_len);
+
+  /* copy IP addresses to aligned ip_addr_t */
+  ip_addr_copy(current_iphdr_dest, iphdr->dest);
+  ip_addr_copy(current_iphdr_src, iphdr->src);
+
+  /* match packet against an interface, i.e. is this packet for us? */
+#if LWIP_IGMP
+  if (ip_addr_ismulticast(¤t_iphdr_dest)) {
+    if ((inp->flags & NETIF_FLAG_IGMP) && (igmp_lookfor_group(inp, ¤t_iphdr_dest))) {
+      netif = inp;
+    } else {
+      netif = NULL;
+    }
+  } else
+#endif /* LWIP_IGMP */
+  {
+    /* start trying with inp. if that's not acceptable, start walking the
+       list of configured netifs.
+       'first' is used as a boolean to mark whether we started walking the list */
+    int first = 1;
+    netif = inp;
+    do {
+      LWIP_DEBUGF(IP_DEBUG, ("ip_input: iphdr->dest 0x%"X32_F" netif->ip_addr 0x%"X32_F" (0x%"X32_F", 0x%"X32_F", 0x%"X32_F")\n",
+          ip4_addr_get_u32(&iphdr->dest), ip4_addr_get_u32(&netif->ip_addr),
+          ip4_addr_get_u32(&iphdr->dest) & ip4_addr_get_u32(&netif->netmask),
+          ip4_addr_get_u32(&netif->ip_addr) & ip4_addr_get_u32(&netif->netmask),
+          ip4_addr_get_u32(&iphdr->dest) & ~ip4_addr_get_u32(&netif->netmask)));
+
+      /* interface is up and configured? */
+      if ((netif_is_up(netif)) && (!ip_addr_isany(&(netif->ip_addr)))) {
+        /* unicast to this interface address? */
+        if (ip_addr_cmp(¤t_iphdr_dest, &(netif->ip_addr)) ||
+            /* or broadcast on this interface network address? */
+            ip_addr_isbroadcast(¤t_iphdr_dest, netif)) {
+          LWIP_DEBUGF(IP_DEBUG, ("ip_input: packet accepted on interface %c%c\n",
+              netif->name[0], netif->name[1]));
+          /* break out of for loop */
+          break;
+        }
+#if LWIP_AUTOIP
+        /* connections to link-local addresses must persist after changing
+           the netif's address (RFC3927 ch. 1.9) */
+        if ((netif->autoip != NULL) &&
+            ip_addr_cmp(¤t_iphdr_dest, &(netif->autoip->llipaddr))) {
+          LWIP_DEBUGF(IP_DEBUG, ("ip_input: LLA packet accepted on interface %c%c\n",
+              netif->name[0], netif->name[1]));
+          /* break out of for loop */
+          break;
+        }
+#endif /* LWIP_AUTOIP */
+      }
+      if (first) {
+        first = 0;
+        netif = netif_list;
+      } else {
+        netif = netif->next;
+      }
+      if (netif == inp) {
+        netif = netif->next;
+      }
+    } while(netif != NULL);
+  }
+
+#if IP_ACCEPT_LINK_LAYER_ADDRESSING
+  /* Pass DHCP messages regardless of destination address. DHCP traffic is addressed
+   * using link layer addressing (such as Ethernet MAC) so we must not filter on IP.
+   * According to RFC 1542 section 3.1.1, referred by RFC 2131).
+   *
+   * If you want to accept private broadcast communication while a netif is down,
+   * define LWIP_IP_ACCEPT_UDP_PORT(dst_port), e.g.:
+   *
+   * #define LWIP_IP_ACCEPT_UDP_PORT(dst_port) ((dst_port) == PP_NTOHS(12345))
+   */
+  if (netif == NULL) {
+    /* remote port is DHCP server? */
+    if (IPH_PROTO(iphdr) == IP_PROTO_UDP) {
+      struct udp_hdr *udphdr = (struct udp_hdr *)((u8_t *)iphdr + iphdr_hlen);
+      LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_TRACE, ("ip_input: UDP packet to DHCP client port %"U16_F"\n",
+        ntohs(udphdr->dest)));
+      if (IP_ACCEPT_LINK_LAYER_ADDRESSED_PORT(udphdr->dest)) {
+        LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_TRACE, ("ip_input: DHCP packet accepted.\n"));
+        netif = inp;
+        check_ip_src = 0;
+      }
+    }
+  }
+#endif /* IP_ACCEPT_LINK_LAYER_ADDRESSING */
+
+  /* broadcast or multicast packet source address? Compliant with RFC 1122: 3.2.1.3 */
+#if IP_ACCEPT_LINK_LAYER_ADDRESSING
+  /* DHCP servers need 0.0.0.0 to be allowed as source address (RFC 1.1.2.2: 3.2.1.3/a) */
+  if (check_ip_src && !ip_addr_isany(¤t_iphdr_src))
+#endif /* IP_ACCEPT_LINK_LAYER_ADDRESSING */
+  {  if ((ip_addr_isbroadcast(¤t_iphdr_src, inp)) ||
+         (ip_addr_ismulticast(¤t_iphdr_src))) {
+      /* packet source is not valid */
+      LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("ip_input: packet source is not valid.\n"));
+      /* free (drop) packet pbufs */
+      pbuf_free(p);
+      IP_STATS_INC(ip.drop);
+      snmp_inc_ipinaddrerrors();
+      snmp_inc_ipindiscards();
+      return ERR_OK;
+    }
+  }
+
+  /* packet not for us? */
+  if (netif == NULL) {
+    /* packet not for us, route or discard */
+    LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_TRACE, ("ip_input: packet not for us.\n"));
+#if IP_FORWARD
+    /* non-broadcast packet? */
+    if (!ip_addr_isbroadcast(¤t_iphdr_dest, inp)) {
+      /* try to forward IP packet on (other) interfaces */
+      ip_forward(p, iphdr, inp);
+    } else
+#endif /* IP_FORWARD */
+    {
+      snmp_inc_ipinaddrerrors();
+      snmp_inc_ipindiscards();
+    }
+    pbuf_free(p);
+    return ERR_OK;
+  }
+  /* packet consists of multiple fragments? */
+  if ((IPH_OFFSET(iphdr) & PP_HTONS(IP_OFFMASK | IP_MF)) != 0) {
+#if IP_REASSEMBLY /* packet fragment reassembly code present? */
+    LWIP_DEBUGF(IP_DEBUG, ("IP packet is a fragment (id=0x%04"X16_F" tot_len=%"U16_F" len=%"U16_F" MF=%"U16_F" offset=%"U16_F"), calling ip_reass()\n",
+      ntohs(IPH_ID(iphdr)), p->tot_len, ntohs(IPH_LEN(iphdr)), !!(IPH_OFFSET(iphdr) & PP_HTONS(IP_MF)), (ntohs(IPH_OFFSET(iphdr)) & IP_OFFMASK)*8));
+    /* reassemble the packet*/
+    p = ip_reass(p);
+    /* packet not fully reassembled yet? */
+    if (p == NULL) {
+      return ERR_OK;
+    }
+    iphdr = (struct ip_hdr *)p->payload;
+#else /* IP_REASSEMBLY == 0, no packet fragment reassembly code present */
+    pbuf_free(p);
+    LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("IP packet dropped since it was fragmented (0x%"X16_F") (while IP_REASSEMBLY == 0).\n",
+      ntohs(IPH_OFFSET(iphdr))));
+    IP_STATS_INC(ip.opterr);
+    IP_STATS_INC(ip.drop);
+    /* unsupported protocol feature */
+    snmp_inc_ipinunknownprotos();
+    return ERR_OK;
+#endif /* IP_REASSEMBLY */
+  }
+
+#if IP_OPTIONS_ALLOWED == 0 /* no support for IP options in the IP header? */
+
+#if LWIP_IGMP
+  /* there is an extra "router alert" option in IGMP messages which we allow for but do not police */
+  if((iphdr_hlen > IP_HLEN) &&  (IPH_PROTO(iphdr) != IP_PROTO_IGMP)) {
+#else
+  if (iphdr_hlen > IP_HLEN) {
+#endif /* LWIP_IGMP */
+    LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("IP packet dropped since there were IP options (while IP_OPTIONS_ALLOWED == 0).\n"));
+    pbuf_free(p);
+    IP_STATS_INC(ip.opterr);
+    IP_STATS_INC(ip.drop);
+    /* unsupported protocol feature */
+    snmp_inc_ipinunknownprotos();
+    return ERR_OK;
+  }
+#endif /* IP_OPTIONS_ALLOWED == 0 */
+
+  /* send to upper layers */
+  LWIP_DEBUGF(IP_DEBUG, ("ip_input: \n"));
+  ip_debug_print(p);
+  LWIP_DEBUGF(IP_DEBUG, ("ip_input: p->len %"U16_F" p->tot_len %"U16_F"\n", p->len, p->tot_len));
+
+  current_netif = inp;
+  current_header = iphdr;
+
+#if LWIP_RAW
+  /* raw input did not eat the packet? */
+  if (raw_input(p, inp) == 0)
+#endif /* LWIP_RAW */
+  {
+
+    switch (IPH_PROTO(iphdr)) {
+#if LWIP_UDP
+    case IP_PROTO_UDP:
+#if LWIP_UDPLITE
+    case IP_PROTO_UDPLITE:
+#endif /* LWIP_UDPLITE */
+      snmp_inc_ipindelivers();
+      udp_input(p, inp);
+      break;
+#endif /* LWIP_UDP */
+#if LWIP_TCP
+    case IP_PROTO_TCP:
+      snmp_inc_ipindelivers();
+      tcp_input(p, inp);
+      break;
+#endif /* LWIP_TCP */
+#if LWIP_ICMP
+    case IP_PROTO_ICMP:
+      snmp_inc_ipindelivers();
+      icmp_input(p, inp);
+      break;
+#endif /* LWIP_ICMP */
+#if LWIP_IGMP
+    case IP_PROTO_IGMP:
+      igmp_input(p, inp, ¤t_iphdr_dest);
+      break;
+#endif /* LWIP_IGMP */
+    default:
+#if LWIP_ICMP
+      /* send ICMP destination protocol unreachable unless is was a broadcast */
+      if (!ip_addr_isbroadcast(¤t_iphdr_dest, inp) &&
+          !ip_addr_ismulticast(¤t_iphdr_dest)) {
+        p->payload = iphdr;
+        icmp_dest_unreach(p, ICMP_DUR_PROTO);
+      }
+#endif /* LWIP_ICMP */
+      pbuf_free(p);
+
+      LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("Unsupported transport protocol %"U16_F"\n", IPH_PROTO(iphdr)));
+
+      IP_STATS_INC(ip.proterr);
+      IP_STATS_INC(ip.drop);
+      snmp_inc_ipinunknownprotos();
+    }
+  }
+
+  current_netif = NULL;
+  current_header = NULL;
+  ip_addr_set_any(¤t_iphdr_src);
+  ip_addr_set_any(¤t_iphdr_dest);
+
+  return ERR_OK;
+}
+
+/**
+ * Sends an IP packet on a network interface. This function constructs
+ * the IP header and calculates the IP header checksum. If the source
+ * IP address is NULL, the IP address of the outgoing network
+ * interface is filled in as source address.
+ * If the destination IP address is IP_HDRINCL, p is assumed to already
+ * include an IP header and p->payload points to it instead of the data.
+ *
+ * @param p the packet to send (p->payload points to the data, e.g. next
+            protocol header; if dest == IP_HDRINCL, p already includes an IP
+            header and p->payload points to that IP header)
+ * @param src the source IP address to send from (if src == IP_ADDR_ANY, the
+ *         IP  address of the netif used to send is used as source address)
+ * @param dest the destination IP address to send the packet to
+ * @param ttl the TTL value to be set in the IP header
+ * @param tos the TOS value to be set in the IP header
+ * @param proto the PROTOCOL to be set in the IP header
+ * @param netif the netif on which to send this packet
+ * @return ERR_OK if the packet was sent OK
+ *         ERR_BUF if p doesn't have enough space for IP/LINK headers
+ *         returns errors returned by netif->output
+ *
+ * @note ip_id: RFC791 "some host may be able to simply use
+ *  unique identifiers independent of destination"
+ */
+err_t
+ip_output_if(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest,
+             u8_t ttl, u8_t tos,
+             u8_t proto, struct netif *netif)
+{
+#if IP_OPTIONS_SEND
+  return ip_output_if_opt(p, src, dest, ttl, tos, proto, netif, NULL, 0);
+}
+
+/**
+ * Same as ip_output_if() but with the possibility to include IP options:
+ *
+ * @ param ip_options pointer to the IP options, copied into the IP header
+ * @ param optlen length of ip_options
+ */
+err_t ip_output_if_opt(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest,
+       u8_t ttl, u8_t tos, u8_t proto, struct netif *netif, void *ip_options,
+       u16_t optlen)
+{
+#endif /* IP_OPTIONS_SEND */
+  struct ip_hdr *iphdr;
+  ip_addr_t dest_addr;
+#if CHECKSUM_GEN_IP_INLINE
+  u32_t chk_sum = 0;
+#endif /* CHECKSUM_GEN_IP_INLINE */
+
+  /* pbufs passed to IP must have a ref-count of 1 as their payload pointer
+     gets altered as the packet is passed down the stack */
+  LWIP_ASSERT("p->ref == 1", p->ref == 1);
+
+  snmp_inc_ipoutrequests();
+
+  /* Should the IP header be generated or is it already included in p? */
+  if (dest != IP_HDRINCL) {
+    u16_t ip_hlen = IP_HLEN;
+#if IP_OPTIONS_SEND
+    u16_t optlen_aligned = 0;
+    if (optlen != 0) {
+#if CHECKSUM_GEN_IP_INLINE
+      int i;
+#endif /* CHECKSUM_GEN_IP_INLINE */
+      /* round up to a multiple of 4 */
+      optlen_aligned = ((optlen + 3) & ~3);
+      ip_hlen += optlen_aligned;
+      /* First write in the IP options */
+      if (pbuf_header(p, optlen_aligned)) {
+        LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("ip_output_if_opt: not enough room for IP options in pbuf\n"));
+        IP_STATS_INC(ip.err);
+        snmp_inc_ipoutdiscards();
+        return ERR_BUF;
+      }
+      MEMCPY(p->payload, ip_options, optlen);
+      if (optlen < optlen_aligned) {
+        /* zero the remaining bytes */
+        memset(((char*)p->payload) + optlen, 0, optlen_aligned - optlen);
+      }
+#if CHECKSUM_GEN_IP_INLINE
+      for (i = 0; i < optlen_aligned/2; i++) {
+        chk_sum += ((u16_t*)p->payload)[i];
+      }
+#endif /* CHECKSUM_GEN_IP_INLINE */
+    }
+#endif /* IP_OPTIONS_SEND */
+    /* generate IP header */
+    if (pbuf_header(p, IP_HLEN)) {
+      LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("ip_output: not enough room for IP header in pbuf\n"));
+
+      IP_STATS_INC(ip.err);
+      snmp_inc_ipoutdiscards();
+      return ERR_BUF;
+    }
+
+    iphdr = (struct ip_hdr *)p->payload;
+    LWIP_ASSERT("check that first pbuf can hold struct ip_hdr",
+               (p->len >= sizeof(struct ip_hdr)));
+
+    IPH_TTL_SET(iphdr, ttl);
+    IPH_PROTO_SET(iphdr, proto);
+#if CHECKSUM_GEN_IP_INLINE
+    chk_sum += LWIP_MAKE_U16(proto, ttl);
+#endif /* CHECKSUM_GEN_IP_INLINE */
+
+    /* dest cannot be NULL here */
+    ip_addr_copy(iphdr->dest, *dest);
+#if CHECKSUM_GEN_IP_INLINE
+    chk_sum += ip4_addr_get_u32(&iphdr->dest) & 0xFFFF;
+    chk_sum += ip4_addr_get_u32(&iphdr->dest) >> 16;
+#endif /* CHECKSUM_GEN_IP_INLINE */
+
+    IPH_VHLTOS_SET(iphdr, 4, ip_hlen / 4, tos);
+#if CHECKSUM_GEN_IP_INLINE
+    chk_sum += iphdr->_v_hl_tos;
+#endif /* CHECKSUM_GEN_IP_INLINE */
+    IPH_LEN_SET(iphdr, htons(p->tot_len));
+#if CHECKSUM_GEN_IP_INLINE
+    chk_sum += iphdr->_len;
+#endif /* CHECKSUM_GEN_IP_INLINE */
+    IPH_OFFSET_SET(iphdr, 0);
+    IPH_ID_SET(iphdr, htons(ip_id));
+#if CHECKSUM_GEN_IP_INLINE
+    chk_sum += iphdr->_id;
+#endif /* CHECKSUM_GEN_IP_INLINE */
+    ++ip_id;
+
+    if (ip_addr_isany(src)) {
+      ip_addr_copy(iphdr->src, netif->ip_addr);
+    } else {
+      /* src cannot be NULL here */
+      ip_addr_copy(iphdr->src, *src);
+    }
+
+#if CHECKSUM_GEN_IP_INLINE
+    chk_sum += ip4_addr_get_u32(&iphdr->src) & 0xFFFF;
+    chk_sum += ip4_addr_get_u32(&iphdr->src) >> 16;
+    chk_sum = (chk_sum >> 16) + (chk_sum & 0xFFFF);
+    chk_sum = (chk_sum >> 16) + chk_sum;
+    chk_sum = ~chk_sum;
+    iphdr->_chksum = chk_sum; /* network order */
+#else /* CHECKSUM_GEN_IP_INLINE */
+    IPH_CHKSUM_SET(iphdr, 0);
+#if CHECKSUM_GEN_IP
+    IPH_CHKSUM_SET(iphdr, inet_chksum(iphdr, ip_hlen));
+#endif
+#endif /* CHECKSUM_GEN_IP_INLINE */
+  } else {
+    /* IP header already included in p */
+    iphdr = (struct ip_hdr *)p->payload;
+    ip_addr_copy(dest_addr, iphdr->dest);
+    dest = &dest_addr;
+  }
+
+  IP_STATS_INC(ip.xmit);
+
+  LWIP_DEBUGF(IP_DEBUG, ("ip_output_if: %c%c%"U16_F"\n", netif->name[0], netif->name[1], netif->num));
+  ip_debug_print(p);
+
+#if ENABLE_LOOPBACK
+  if (ip_addr_cmp(dest, &netif->ip_addr)) {
+    /* Packet to self, enqueue it for loopback */
+    LWIP_DEBUGF(IP_DEBUG, ("netif_loop_output()"));
+    return netif_loop_output(netif, p, dest);
+  }
+#if LWIP_IGMP
+  if ((p->flags & PBUF_FLAG_MCASTLOOP) != 0) {
+    netif_loop_output(netif, p, dest);
+  }
+#endif /* LWIP_IGMP */
+#endif /* ENABLE_LOOPBACK */
+#if IP_FRAG
+  /* don't fragment if interface has mtu set to 0 [loopif] */
+  if (netif->mtu && (p->tot_len > netif->mtu)) {
+    return ip_frag(p, netif, dest);
+  }
+#endif /* IP_FRAG */
+
+  LWIP_DEBUGF(IP_DEBUG, ("netif->output()"));
+  return netif->output(netif, p, dest);
+}
+
+/**
+ * Simple interface to ip_output_if. It finds the outgoing network
+ * interface and calls upon ip_output_if to do the actual work.
+ *
+ * @param p the packet to send (p->payload points to the data, e.g. next
+            protocol header; if dest == IP_HDRINCL, p already includes an IP
+            header and p->payload points to that IP header)
+ * @param src the source IP address to send from (if src == IP_ADDR_ANY, the
+ *         IP  address of the netif used to send is used as source address)
+ * @param dest the destination IP address to send the packet to
+ * @param ttl the TTL value to be set in the IP header
+ * @param tos the TOS value to be set in the IP header
+ * @param proto the PROTOCOL to be set in the IP header
+ *
+ * @return ERR_RTE if no route is found
+ *         see ip_output_if() for more return values
+ */
+err_t
+ip_output(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest,
+          u8_t ttl, u8_t tos, u8_t proto)
+{
+  struct netif *netif;
+
+  /* pbufs passed to IP must have a ref-count of 1 as their payload pointer
+     gets altered as the packet is passed down the stack */
+  LWIP_ASSERT("p->ref == 1", p->ref == 1);
+
+  if ((netif = ip_route(dest)) == NULL) {
+    LWIP_DEBUGF(IP_DEBUG, ("ip_output: No route to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+      ip4_addr1_16(dest), ip4_addr2_16(dest), ip4_addr3_16(dest), ip4_addr4_16(dest)));
+    IP_STATS_INC(ip.rterr);
+    return ERR_RTE;
+  }
+
+  return ip_output_if(p, src, dest, ttl, tos, proto, netif);
+}
+
+#if LWIP_NETIF_HWADDRHINT
+/** Like ip_output, but takes and addr_hint pointer that is passed on to netif->addr_hint
+ *  before calling ip_output_if.
+ *
+ * @param p the packet to send (p->payload points to the data, e.g. next
+            protocol header; if dest == IP_HDRINCL, p already includes an IP
+            header and p->payload points to that IP header)
+ * @param src the source IP address to send from (if src == IP_ADDR_ANY, the
+ *         IP  address of the netif used to send is used as source address)
+ * @param dest the destination IP address to send the packet to
+ * @param ttl the TTL value to be set in the IP header
+ * @param tos the TOS value to be set in the IP header
+ * @param proto the PROTOCOL to be set in the IP header
+ * @param addr_hint address hint pointer set to netif->addr_hint before
+ *        calling ip_output_if()
+ *
+ * @return ERR_RTE if no route is found
+ *         see ip_output_if() for more return values
+ */
+err_t
+ip_output_hinted(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest,
+          u8_t ttl, u8_t tos, u8_t proto, u8_t *addr_hint)
+{
+  struct netif *netif;
+  err_t err;
+
+  /* pbufs passed to IP must have a ref-count of 1 as their payload pointer
+     gets altered as the packet is passed down the stack */
+  LWIP_ASSERT("p->ref == 1", p->ref == 1);
+
+  if ((netif = ip_route(dest)) == NULL) {
+    LWIP_DEBUGF(IP_DEBUG, ("ip_output: No route to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+      ip4_addr1_16(dest), ip4_addr2_16(dest), ip4_addr3_16(dest), ip4_addr4_16(dest)));
+    IP_STATS_INC(ip.rterr);
+    return ERR_RTE;
+  }
+
+  netif->addr_hint = addr_hint;
+  err = ip_output_if(p, src, dest, ttl, tos, proto, netif);
+  netif->addr_hint = NULL;
+
+  return err;
+}
+#endif /* LWIP_NETIF_HWADDRHINT*/
+
+#if IP_DEBUG
+/* Print an IP header by using LWIP_DEBUGF
+ * @param p an IP packet, p->payload pointing to the IP header
+ */
+void
+ip_debug_print(struct pbuf *p)
+{
+  struct ip_hdr *iphdr = (struct ip_hdr *)p->payload;
+  u8_t *payload;
+
+  payload = (u8_t *)iphdr + IP_HLEN;
+
+  LWIP_DEBUGF(IP_DEBUG, ("IP header:\n"));
+  LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n"));
+  LWIP_DEBUGF(IP_DEBUG, ("|%2"S16_F" |%2"S16_F" |  0x%02"X16_F" |     %5"U16_F"     | (v, hl, tos, len)\n",
+                    IPH_V(iphdr),
+                    IPH_HL(iphdr),
+                    IPH_TOS(iphdr),
+                    ntohs(IPH_LEN(iphdr))));
+  LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n"));
+  LWIP_DEBUGF(IP_DEBUG, ("|    %5"U16_F"      |%"U16_F"%"U16_F"%"U16_F"|    %4"U16_F"   | (id, flags, offset)\n",
+                    ntohs(IPH_ID(iphdr)),
+                    ntohs(IPH_OFFSET(iphdr)) >> 15 & 1,
+                    ntohs(IPH_OFFSET(iphdr)) >> 14 & 1,
+                    ntohs(IPH_OFFSET(iphdr)) >> 13 & 1,
+                    ntohs(IPH_OFFSET(iphdr)) & IP_OFFMASK));
+  LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n"));
+  LWIP_DEBUGF(IP_DEBUG, ("|  %3"U16_F"  |  %3"U16_F"  |    0x%04"X16_F"     | (ttl, proto, chksum)\n",
+                    IPH_TTL(iphdr),
+                    IPH_PROTO(iphdr),
+                    ntohs(IPH_CHKSUM(iphdr))));
+  LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n"));
+  LWIP_DEBUGF(IP_DEBUG, ("|  %3"U16_F"  |  %3"U16_F"  |  %3"U16_F"  |  %3"U16_F"  | (src)\n",
+                    ip4_addr1_16(&iphdr->src),
+                    ip4_addr2_16(&iphdr->src),
+                    ip4_addr3_16(&iphdr->src),
+                    ip4_addr4_16(&iphdr->src)));
+  LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n"));
+  LWIP_DEBUGF(IP_DEBUG, ("|  %3"U16_F"  |  %3"U16_F"  |  %3"U16_F"  |  %3"U16_F"  | (dest)\n",
+                    ip4_addr1_16(&iphdr->dest),
+                    ip4_addr2_16(&iphdr->dest),
+                    ip4_addr3_16(&iphdr->dest),
+                    ip4_addr4_16(&iphdr->dest)));
+  LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n"));
+}
+#endif /* IP_DEBUG */
diff --git a/libraries/net/lwip/lwip/core/ipv4/ip_addr.c b/libraries/net/lwip/lwip/core/ipv4/ip_addr.c
new file mode 100644
index 0000000000..8f633ff231
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/ipv4/ip_addr.c
@@ -0,0 +1,312 @@
+/**
+ * @file
+ * This is the IPv4 address tools implementation.
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+#include "lwip/ip_addr.h"
+#include "lwip/netif.h"
+
+/* used by IP_ADDR_ANY and IP_ADDR_BROADCAST in ip_addr.h */
+const ip_addr_t ip_addr_any = { IPADDR_ANY };
+const ip_addr_t ip_addr_broadcast = { IPADDR_BROADCAST };
+
+/**
+ * Determine if an address is a broadcast address on a network interface 
+ * 
+ * @param addr address to be checked
+ * @param netif the network interface against which the address is checked
+ * @return returns non-zero if the address is a broadcast address
+ */
+u8_t
+ip4_addr_isbroadcast(u32_t addr, const struct netif *netif)
+{
+  ip_addr_t ipaddr;
+  ip4_addr_set_u32(&ipaddr, addr);
+
+  /* all ones (broadcast) or all zeroes (old skool broadcast) */
+  if ((~addr == IPADDR_ANY) ||
+      (addr == IPADDR_ANY)) {
+    return 1;
+  /* no broadcast support on this network interface? */
+  } else if ((netif->flags & NETIF_FLAG_BROADCAST) == 0) {
+    /* the given address cannot be a broadcast address
+     * nor can we check against any broadcast addresses */
+    return 0;
+  /* address matches network interface address exactly? => no broadcast */
+  } else if (addr == ip4_addr_get_u32(&netif->ip_addr)) {
+    return 0;
+  /*  on the same (sub) network... */
+  } else if (ip_addr_netcmp(&ipaddr, &(netif->ip_addr), &(netif->netmask))
+         /* ...and host identifier bits are all ones? =>... */
+          && ((addr & ~ip4_addr_get_u32(&netif->netmask)) ==
+           (IPADDR_BROADCAST & ~ip4_addr_get_u32(&netif->netmask)))) {
+    /* => network broadcast address */
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+/** Checks if a netmask is valid (starting with ones, then only zeros)
+ *
+ * @param netmask the IPv4 netmask to check (in network byte order!)
+ * @return 1 if the netmask is valid, 0 if it is not
+ */
+u8_t
+ip4_addr_netmask_valid(u32_t netmask)
+{
+  u32_t mask;
+  u32_t nm_hostorder = lwip_htonl(netmask);
+
+  /* first, check for the first zero */
+  for (mask = 1UL << 31 ; mask != 0; mask >>= 1) {
+    if ((nm_hostorder & mask) == 0) {
+      break;
+    }
+  }
+  /* then check that there is no one */
+  for (; mask != 0; mask >>= 1) {
+    if ((nm_hostorder & mask) != 0) {
+      /* there is a one after the first zero -> invalid */
+      return 0;
+    }
+  }
+  /* no one after the first zero -> valid */
+  return 1;
+}
+
+/* Here for now until needed in other places in lwIP */
+#ifndef isprint
+#define in_range(c, lo, up)  ((u8_t)c >= lo && (u8_t)c <= up)
+#define isprint(c)           in_range(c, 0x20, 0x7f)
+#define isdigit(c)           in_range(c, '0', '9')
+#define isxdigit(c)          (isdigit(c) || in_range(c, 'a', 'f') || in_range(c, 'A', 'F'))
+#define islower(c)           in_range(c, 'a', 'z')
+#define isspace(c)           (c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' || c == '\v')
+#endif
+
+/**
+ * Ascii internet address interpretation routine.
+ * The value returned is in network order.
+ *
+ * @param cp IP address in ascii represenation (e.g. "127.0.0.1")
+ * @return ip address in network order
+ */
+u32_t
+ipaddr_addr(const char *cp)
+{
+  ip_addr_t val;
+
+  if (ipaddr_aton(cp, &val)) {
+    return ip4_addr_get_u32(&val);
+  }
+  return (IPADDR_NONE);
+}
+
+/**
+ * Check whether "cp" is a valid ascii representation
+ * of an Internet address and convert to a binary address.
+ * Returns 1 if the address is valid, 0 if not.
+ * This replaces inet_addr, the return value from which
+ * cannot distinguish between failure and a local broadcast address.
+ *
+ * @param cp IP address in ascii represenation (e.g. "127.0.0.1")
+ * @param addr pointer to which to save the ip address in network order
+ * @return 1 if cp could be converted to addr, 0 on failure
+ */
+int
+ipaddr_aton(const char *cp, ip_addr_t *addr)
+{
+  u32_t val;
+  u8_t base;
+  char c;
+  u32_t parts[4];
+  u32_t *pp = parts;
+
+  c = *cp;
+  for (;;) {
+    /*
+     * Collect number up to ``.''.
+     * Values are specified as for C:
+     * 0x=hex, 0=octal, 1-9=decimal.
+     */
+    if (!isdigit(c))
+      return (0);
+    val = 0;
+    base = 10;
+    if (c == '0') {
+      c = *++cp;
+      if (c == 'x' || c == 'X') {
+        base = 16;
+        c = *++cp;
+      } else
+        base = 8;
+    }
+    for (;;) {
+      if (isdigit(c)) {
+        val = (val * base) + (int)(c - '0');
+        c = *++cp;
+      } else if (base == 16 && isxdigit(c)) {
+        val = (val << 4) | (int)(c + 10 - (islower(c) ? 'a' : 'A'));
+        c = *++cp;
+      } else
+        break;
+    }
+    if (c == '.') {
+      /*
+       * Internet format:
+       *  a.b.c.d
+       *  a.b.c   (with c treated as 16 bits)
+       *  a.b (with b treated as 24 bits)
+       */
+      if (pp >= parts + 3) {
+        return (0);
+      }
+      *pp++ = val;
+      c = *++cp;
+    } else
+      break;
+  }
+  /*
+   * Check for trailing characters.
+   */
+  if (c != '\0' && !isspace(c)) {
+    return (0);
+  }
+  /*
+   * Concoct the address according to
+   * the number of parts specified.
+   */
+  switch (pp - parts + 1) {
+
+  case 0:
+    return (0);       /* initial nondigit */
+
+  case 1:             /* a -- 32 bits */
+    break;
+
+  case 2:             /* a.b -- 8.24 bits */
+    if (val > 0xffffffUL) {
+      return (0);
+    }
+    val |= parts[0] << 24;
+    break;
+
+  case 3:             /* a.b.c -- 8.8.16 bits */
+    if (val > 0xffff) {
+      return (0);
+    }
+    val |= (parts[0] << 24) | (parts[1] << 16);
+    break;
+
+  case 4:             /* a.b.c.d -- 8.8.8.8 bits */
+    if (val > 0xff) {
+      return (0);
+    }
+    val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8);
+    break;
+  default:
+    LWIP_ASSERT("unhandled", 0);
+    break;
+  }
+  if (addr) {
+    ip4_addr_set_u32(addr, htonl(val));
+  }
+  return (1);
+}
+
+/**
+ * Convert numeric IP address into decimal dotted ASCII representation.
+ * returns ptr to static buffer; not reentrant!
+ *
+ * @param addr ip address in network order to convert
+ * @return pointer to a global static (!) buffer that holds the ASCII
+ *         represenation of addr
+ */
+char *
+ipaddr_ntoa(const ip_addr_t *addr)
+{
+  static char str[16];
+  return ipaddr_ntoa_r(addr, str, 16);
+}
+
+/**
+ * Same as ipaddr_ntoa, but reentrant since a user-supplied buffer is used.
+ *
+ * @param addr ip address in network order to convert
+ * @param buf target buffer where the string is stored
+ * @param buflen length of buf
+ * @return either pointer to buf which now holds the ASCII
+ *         representation of addr or NULL if buf was too small
+ */
+char *ipaddr_ntoa_r(const ip_addr_t *addr, char *buf, int buflen)
+{
+  u32_t s_addr;
+  char inv[3];
+  char *rp;
+  u8_t *ap;
+  u8_t rem;
+  u8_t n;
+  u8_t i;
+  int len = 0;
+
+  s_addr = ip4_addr_get_u32(addr);
+
+  rp = buf;
+  ap = (u8_t *)&s_addr;
+  for(n = 0; n < 4; n++) {
+    i = 0;
+    do {
+      rem = *ap % (u8_t)10;
+      *ap /= (u8_t)10;
+      inv[i++] = '0' + rem;
+    } while(*ap);
+    while(i--) {
+      if (len++ >= buflen) {
+        return NULL;
+      }
+      *rp++ = inv[i];
+    }
+    if (len++ >= buflen) {
+      return NULL;
+    }
+    *rp++ = '.';
+    ap++;
+  }
+  *--rp = 0;
+  return buf;
+}
diff --git a/libraries/net/lwip/lwip/core/ipv4/ip_frag.c b/libraries/net/lwip/lwip/core/ipv4/ip_frag.c
new file mode 100644
index 0000000000..8d184345df
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/ipv4/ip_frag.c
@@ -0,0 +1,863 @@
+/**
+ * @file
+ * This is the IPv4 packet segmentation and reassembly implementation.
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Jani Monoses  
+ *         Simon Goldschmidt
+ * original reassembly code by Adam Dunkels 
+ * 
+ */
+
+#include "lwip/opt.h"
+#include "lwip/ip_frag.h"
+#include "lwip/def.h"
+#include "lwip/inet_chksum.h"
+#include "lwip/netif.h"
+#include "lwip/snmp.h"
+#include "lwip/stats.h"
+#include "lwip/icmp.h"
+
+#include 
+
+#if IP_REASSEMBLY
+/**
+ * The IP reassembly code currently has the following limitations:
+ * - IP header options are not supported
+ * - fragments must not overlap (e.g. due to different routes),
+ *   currently, overlapping or duplicate fragments are thrown away
+ *   if IP_REASS_CHECK_OVERLAP=1 (the default)!
+ *
+ * @todo: work with IP header options
+ */
+
+/** Setting this to 0, you can turn off checking the fragments for overlapping
+ * regions. The code gets a little smaller. Only use this if you know that
+ * overlapping won't occur on your network! */
+#ifndef IP_REASS_CHECK_OVERLAP
+#define IP_REASS_CHECK_OVERLAP 1
+#endif /* IP_REASS_CHECK_OVERLAP */
+
+/** Set to 0 to prevent freeing the oldest datagram when the reassembly buffer is
+ * full (IP_REASS_MAX_PBUFS pbufs are enqueued). The code gets a little smaller.
+ * Datagrams will be freed by timeout only. Especially useful when MEMP_NUM_REASSDATA
+ * is set to 1, so one datagram can be reassembled at a time, only. */
+#ifndef IP_REASS_FREE_OLDEST
+#define IP_REASS_FREE_OLDEST 1
+#endif /* IP_REASS_FREE_OLDEST */
+
+#define IP_REASS_FLAG_LASTFRAG 0x01
+
+/** This is a helper struct which holds the starting
+ * offset and the ending offset of this fragment to
+ * easily chain the fragments.
+ * It has the same packing requirements as the IP header, since it replaces
+ * the IP header in memory in incoming fragments (after copying it) to keep
+ * track of the various fragments. (-> If the IP header doesn't need packing,
+ * this struct doesn't need packing, too.)
+ */
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+struct ip_reass_helper {
+  PACK_STRUCT_FIELD(struct pbuf *next_pbuf);
+  PACK_STRUCT_FIELD(u16_t start);
+  PACK_STRUCT_FIELD(u16_t end);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+#define IP_ADDRESSES_AND_ID_MATCH(iphdrA, iphdrB)  \
+  (ip_addr_cmp(&(iphdrA)->src, &(iphdrB)->src) && \
+   ip_addr_cmp(&(iphdrA)->dest, &(iphdrB)->dest) && \
+   IPH_ID(iphdrA) == IPH_ID(iphdrB)) ? 1 : 0
+
+/* global variables */
+static struct ip_reassdata *reassdatagrams;
+static u16_t ip_reass_pbufcount;
+
+/* function prototypes */
+static void ip_reass_dequeue_datagram(struct ip_reassdata *ipr, struct ip_reassdata *prev);
+static int ip_reass_free_complete_datagram(struct ip_reassdata *ipr, struct ip_reassdata *prev);
+
+/**
+ * Reassembly timer base function
+ * for both NO_SYS == 0 and 1 (!).
+ *
+ * Should be called every 1000 msec (defined by IP_TMR_INTERVAL).
+ */
+void
+ip_reass_tmr(void)
+{
+  struct ip_reassdata *r, *prev = NULL;
+
+  r = reassdatagrams;
+  while (r != NULL) {
+    /* Decrement the timer. Once it reaches 0,
+     * clean up the incomplete fragment assembly */
+    if (r->timer > 0) {
+      r->timer--;
+      LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_reass_tmr: timer dec %"U16_F"\n",(u16_t)r->timer));
+      prev = r;
+      r = r->next;
+    } else {
+      /* reassembly timed out */
+      struct ip_reassdata *tmp;
+      LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_reass_tmr: timer timed out\n"));
+      tmp = r;
+      /* get the next pointer before freeing */
+      r = r->next;
+      /* free the helper struct and all enqueued pbufs */
+      ip_reass_free_complete_datagram(tmp, prev);
+     }
+   }
+}
+
+/**
+ * Free a datagram (struct ip_reassdata) and all its pbufs.
+ * Updates the total count of enqueued pbufs (ip_reass_pbufcount),
+ * SNMP counters and sends an ICMP time exceeded packet.
+ *
+ * @param ipr datagram to free
+ * @param prev the previous datagram in the linked list
+ * @return the number of pbufs freed
+ */
+static int
+ip_reass_free_complete_datagram(struct ip_reassdata *ipr, struct ip_reassdata *prev)
+{
+  u16_t pbufs_freed = 0;
+  u8_t clen;
+  struct pbuf *p;
+  struct ip_reass_helper *iprh;
+
+  LWIP_ASSERT("prev != ipr", prev != ipr);
+  if (prev != NULL) {
+    LWIP_ASSERT("prev->next == ipr", prev->next == ipr);
+  }
+
+  snmp_inc_ipreasmfails();
+#if LWIP_ICMP
+  iprh = (struct ip_reass_helper *)ipr->p->payload;
+  if (iprh->start == 0) {
+    /* The first fragment was received, send ICMP time exceeded. */
+    /* First, de-queue the first pbuf from r->p. */
+    p = ipr->p;
+    ipr->p = iprh->next_pbuf;
+    /* Then, copy the original header into it. */
+    SMEMCPY(p->payload, &ipr->iphdr, IP_HLEN);
+    icmp_time_exceeded(p, ICMP_TE_FRAG);
+    clen = pbuf_clen(p);
+    LWIP_ASSERT("pbufs_freed + clen <= 0xffff", pbufs_freed + clen <= 0xffff);
+    pbufs_freed += clen;
+    pbuf_free(p);
+  }
+#endif /* LWIP_ICMP */
+
+  /* First, free all received pbufs.  The individual pbufs need to be released 
+     separately as they have not yet been chained */
+  p = ipr->p;
+  while (p != NULL) {
+    struct pbuf *pcur;
+    iprh = (struct ip_reass_helper *)p->payload;
+    pcur = p;
+    /* get the next pointer before freeing */
+    p = iprh->next_pbuf;
+    clen = pbuf_clen(pcur);
+    LWIP_ASSERT("pbufs_freed + clen <= 0xffff", pbufs_freed + clen <= 0xffff);
+    pbufs_freed += clen;
+    pbuf_free(pcur);
+  }
+  /* Then, unchain the struct ip_reassdata from the list and free it. */
+  ip_reass_dequeue_datagram(ipr, prev);
+  LWIP_ASSERT("ip_reass_pbufcount >= clen", ip_reass_pbufcount >= pbufs_freed);
+  ip_reass_pbufcount -= pbufs_freed;
+
+  return pbufs_freed;
+}
+
+#if IP_REASS_FREE_OLDEST
+/**
+ * Free the oldest datagram to make room for enqueueing new fragments.
+ * The datagram 'fraghdr' belongs to is not freed!
+ *
+ * @param fraghdr IP header of the current fragment
+ * @param pbufs_needed number of pbufs needed to enqueue
+ *        (used for freeing other datagrams if not enough space)
+ * @return the number of pbufs freed
+ */
+static int
+ip_reass_remove_oldest_datagram(struct ip_hdr *fraghdr, int pbufs_needed)
+{
+  /* @todo Can't we simply remove the last datagram in the
+   *       linked list behind reassdatagrams?
+   */
+  struct ip_reassdata *r, *oldest, *prev;
+  int pbufs_freed = 0, pbufs_freed_current;
+  int other_datagrams;
+
+  /* Free datagrams until being allowed to enqueue 'pbufs_needed' pbufs,
+   * but don't free the datagram that 'fraghdr' belongs to! */
+  do {
+    oldest = NULL;
+    prev = NULL;
+    other_datagrams = 0;
+    r = reassdatagrams;
+    while (r != NULL) {
+      if (!IP_ADDRESSES_AND_ID_MATCH(&r->iphdr, fraghdr)) {
+        /* Not the same datagram as fraghdr */
+        other_datagrams++;
+        if (oldest == NULL) {
+          oldest = r;
+        } else if (r->timer <= oldest->timer) {
+          /* older than the previous oldest */
+          oldest = r;
+        }
+      }
+      if (r->next != NULL) {
+        prev = r;
+      }
+      r = r->next;
+    }
+    if (oldest != NULL) {
+      pbufs_freed_current = ip_reass_free_complete_datagram(oldest, prev);
+      pbufs_freed += pbufs_freed_current;
+    }
+  } while ((pbufs_freed < pbufs_needed) && (other_datagrams > 1));
+  return pbufs_freed;
+}
+#endif /* IP_REASS_FREE_OLDEST */
+
+/**
+ * Enqueues a new fragment into the fragment queue
+ * @param fraghdr points to the new fragments IP hdr
+ * @param clen number of pbufs needed to enqueue (used for freeing other datagrams if not enough space)
+ * @return A pointer to the queue location into which the fragment was enqueued
+ */
+static struct ip_reassdata*
+ip_reass_enqueue_new_datagram(struct ip_hdr *fraghdr, int clen)
+{
+  struct ip_reassdata* ipr;
+  /* No matching previous fragment found, allocate a new reassdata struct */
+  ipr = (struct ip_reassdata *)memp_malloc(MEMP_REASSDATA);
+  if (ipr == NULL) {
+#if IP_REASS_FREE_OLDEST
+    if (ip_reass_remove_oldest_datagram(fraghdr, clen) >= clen) {
+      ipr = (struct ip_reassdata *)memp_malloc(MEMP_REASSDATA);
+    }
+    if (ipr == NULL)
+#endif /* IP_REASS_FREE_OLDEST */
+    {
+      IPFRAG_STATS_INC(ip_frag.memerr);
+      LWIP_DEBUGF(IP_REASS_DEBUG,("Failed to alloc reassdata struct\n"));
+      return NULL;
+    }
+  }
+  memset(ipr, 0, sizeof(struct ip_reassdata));
+  ipr->timer = IP_REASS_MAXAGE;
+
+  /* enqueue the new structure to the front of the list */
+  ipr->next = reassdatagrams;
+  reassdatagrams = ipr;
+  /* copy the ip header for later tests and input */
+  /* @todo: no ip options supported? */
+  SMEMCPY(&(ipr->iphdr), fraghdr, IP_HLEN);
+  return ipr;
+}
+
+/**
+ * Dequeues a datagram from the datagram queue. Doesn't deallocate the pbufs.
+ * @param ipr points to the queue entry to dequeue
+ */
+static void
+ip_reass_dequeue_datagram(struct ip_reassdata *ipr, struct ip_reassdata *prev)
+{
+  
+  /* dequeue the reass struct  */
+  if (reassdatagrams == ipr) {
+    /* it was the first in the list */
+    reassdatagrams = ipr->next;
+  } else {
+    /* it wasn't the first, so it must have a valid 'prev' */
+    LWIP_ASSERT("sanity check linked list", prev != NULL);
+    prev->next = ipr->next;
+  }
+
+  /* now we can free the ip_reass struct */
+  memp_free(MEMP_REASSDATA, ipr);
+}
+
+/**
+ * Chain a new pbuf into the pbuf list that composes the datagram.  The pbuf list
+ * will grow over time as  new pbufs are rx.
+ * Also checks that the datagram passes basic continuity checks (if the last
+ * fragment was received at least once).
+ * @param root_p points to the 'root' pbuf for the current datagram being assembled.
+ * @param new_p points to the pbuf for the current fragment
+ * @return 0 if invalid, >0 otherwise
+ */
+static int
+ip_reass_chain_frag_into_datagram_and_validate(struct ip_reassdata *ipr, struct pbuf *new_p)
+{
+  struct ip_reass_helper *iprh, *iprh_tmp, *iprh_prev=NULL;
+  struct pbuf *q;
+  u16_t offset,len;
+  struct ip_hdr *fraghdr;
+  int valid = 1;
+
+  /* Extract length and fragment offset from current fragment */
+  fraghdr = (struct ip_hdr*)new_p->payload; 
+  len = ntohs(IPH_LEN(fraghdr)) - IPH_HL(fraghdr) * 4;
+  offset = (ntohs(IPH_OFFSET(fraghdr)) & IP_OFFMASK) * 8;
+
+  /* overwrite the fragment's ip header from the pbuf with our helper struct,
+   * and setup the embedded helper structure. */
+  /* make sure the struct ip_reass_helper fits into the IP header */
+  LWIP_ASSERT("sizeof(struct ip_reass_helper) <= IP_HLEN",
+              sizeof(struct ip_reass_helper) <= IP_HLEN);
+  iprh = (struct ip_reass_helper*)new_p->payload;
+  iprh->next_pbuf = NULL;
+  iprh->start = offset;
+  iprh->end = offset + len;
+
+  /* Iterate through until we either get to the end of the list (append),
+   * or we find on with a larger offset (insert). */
+  for (q = ipr->p; q != NULL;) {
+    iprh_tmp = (struct ip_reass_helper*)q->payload;
+    if (iprh->start < iprh_tmp->start) {
+      /* the new pbuf should be inserted before this */
+      iprh->next_pbuf = q;
+      if (iprh_prev != NULL) {
+        /* not the fragment with the lowest offset */
+#if IP_REASS_CHECK_OVERLAP
+        if ((iprh->start < iprh_prev->end) || (iprh->end > iprh_tmp->start)) {
+          /* fragment overlaps with previous or following, throw away */
+          goto freepbuf;
+        }
+#endif /* IP_REASS_CHECK_OVERLAP */
+        iprh_prev->next_pbuf = new_p;
+      } else {
+        /* fragment with the lowest offset */
+        ipr->p = new_p;
+      }
+      break;
+    } else if(iprh->start == iprh_tmp->start) {
+      /* received the same datagram twice: no need to keep the datagram */
+      goto freepbuf;
+#if IP_REASS_CHECK_OVERLAP
+    } else if(iprh->start < iprh_tmp->end) {
+      /* overlap: no need to keep the new datagram */
+      goto freepbuf;
+#endif /* IP_REASS_CHECK_OVERLAP */
+    } else {
+      /* Check if the fragments received so far have no wholes. */
+      if (iprh_prev != NULL) {
+        if (iprh_prev->end != iprh_tmp->start) {
+          /* There is a fragment missing between the current
+           * and the previous fragment */
+          valid = 0;
+        }
+      }
+    }
+    q = iprh_tmp->next_pbuf;
+    iprh_prev = iprh_tmp;
+  }
+
+  /* If q is NULL, then we made it to the end of the list. Determine what to do now */
+  if (q == NULL) {
+    if (iprh_prev != NULL) {
+      /* this is (for now), the fragment with the highest offset:
+       * chain it to the last fragment */
+#if IP_REASS_CHECK_OVERLAP
+      LWIP_ASSERT("check fragments don't overlap", iprh_prev->end <= iprh->start);
+#endif /* IP_REASS_CHECK_OVERLAP */
+      iprh_prev->next_pbuf = new_p;
+      if (iprh_prev->end != iprh->start) {
+        valid = 0;
+      }
+    } else {
+#if IP_REASS_CHECK_OVERLAP
+      LWIP_ASSERT("no previous fragment, this must be the first fragment!",
+        ipr->p == NULL);
+#endif /* IP_REASS_CHECK_OVERLAP */
+      /* this is the first fragment we ever received for this ip datagram */
+      ipr->p = new_p;
+    }
+  }
+
+  /* At this point, the validation part begins: */
+  /* If we already received the last fragment */
+  if ((ipr->flags & IP_REASS_FLAG_LASTFRAG) != 0) {
+    /* and had no wholes so far */
+    if (valid) {
+      /* then check if the rest of the fragments is here */
+      /* Check if the queue starts with the first datagram */
+      if (((struct ip_reass_helper*)ipr->p->payload)->start != 0) {
+        valid = 0;
+      } else {
+        /* and check that there are no wholes after this datagram */
+        iprh_prev = iprh;
+        q = iprh->next_pbuf;
+        while (q != NULL) {
+          iprh = (struct ip_reass_helper*)q->payload;
+          if (iprh_prev->end != iprh->start) {
+            valid = 0;
+            break;
+          }
+          iprh_prev = iprh;
+          q = iprh->next_pbuf;
+        }
+        /* if still valid, all fragments are received
+         * (because to the MF==0 already arrived */
+        if (valid) {
+          LWIP_ASSERT("sanity check", ipr->p != NULL);
+          LWIP_ASSERT("sanity check",
+            ((struct ip_reass_helper*)ipr->p->payload) != iprh);
+          LWIP_ASSERT("validate_datagram:next_pbuf!=NULL",
+            iprh->next_pbuf == NULL);
+          LWIP_ASSERT("validate_datagram:datagram end!=datagram len",
+            iprh->end == ipr->datagram_len);
+        }
+      }
+    }
+    /* If valid is 0 here, there are some fragments missing in the middle
+     * (since MF == 0 has already arrived). Such datagrams simply time out if
+     * no more fragments are received... */
+    return valid;
+  }
+  /* If we come here, not all fragments were received, yet! */
+  return 0; /* not yet valid! */
+#if IP_REASS_CHECK_OVERLAP
+freepbuf:
+  ip_reass_pbufcount -= pbuf_clen(new_p);
+  pbuf_free(new_p);
+  return 0;
+#endif /* IP_REASS_CHECK_OVERLAP */
+}
+
+/**
+ * Reassembles incoming IP fragments into an IP datagram.
+ *
+ * @param p points to a pbuf chain of the fragment
+ * @return NULL if reassembly is incomplete, ? otherwise
+ */
+struct pbuf *
+ip_reass(struct pbuf *p)
+{
+  struct pbuf *r;
+  struct ip_hdr *fraghdr;
+  struct ip_reassdata *ipr;
+  struct ip_reass_helper *iprh;
+  u16_t offset, len;
+  u8_t clen;
+  struct ip_reassdata *ipr_prev = NULL;
+
+  IPFRAG_STATS_INC(ip_frag.recv);
+  snmp_inc_ipreasmreqds();
+
+  fraghdr = (struct ip_hdr*)p->payload;
+
+  if ((IPH_HL(fraghdr) * 4) != IP_HLEN) {
+    LWIP_DEBUGF(IP_REASS_DEBUG,("ip_reass: IP options currently not supported!\n"));
+    IPFRAG_STATS_INC(ip_frag.err);
+    goto nullreturn;
+  }
+
+  offset = (ntohs(IPH_OFFSET(fraghdr)) & IP_OFFMASK) * 8;
+  len = ntohs(IPH_LEN(fraghdr)) - IPH_HL(fraghdr) * 4;
+
+  /* Check if we are allowed to enqueue more datagrams. */
+  clen = pbuf_clen(p);
+  if ((ip_reass_pbufcount + clen) > IP_REASS_MAX_PBUFS) {
+#if IP_REASS_FREE_OLDEST
+    if (!ip_reass_remove_oldest_datagram(fraghdr, clen) ||
+        ((ip_reass_pbufcount + clen) > IP_REASS_MAX_PBUFS))
+#endif /* IP_REASS_FREE_OLDEST */
+    {
+      /* No datagram could be freed and still too many pbufs enqueued */
+      LWIP_DEBUGF(IP_REASS_DEBUG,("ip_reass: Overflow condition: pbufct=%d, clen=%d, MAX=%d\n",
+        ip_reass_pbufcount, clen, IP_REASS_MAX_PBUFS));
+      IPFRAG_STATS_INC(ip_frag.memerr);
+      /* @todo: send ICMP time exceeded here? */
+      /* drop this pbuf */
+      goto nullreturn;
+    }
+  }
+
+  /* Look for the datagram the fragment belongs to in the current datagram queue,
+   * remembering the previous in the queue for later dequeueing. */
+  for (ipr = reassdatagrams; ipr != NULL; ipr = ipr->next) {
+    /* Check if the incoming fragment matches the one currently present
+       in the reassembly buffer. If so, we proceed with copying the
+       fragment into the buffer. */
+    if (IP_ADDRESSES_AND_ID_MATCH(&ipr->iphdr, fraghdr)) {
+      LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_reass: matching previous fragment ID=%"X16_F"\n",
+        ntohs(IPH_ID(fraghdr))));
+      IPFRAG_STATS_INC(ip_frag.cachehit);
+      break;
+    }
+    ipr_prev = ipr;
+  }
+
+  if (ipr == NULL) {
+  /* Enqueue a new datagram into the datagram queue */
+    ipr = ip_reass_enqueue_new_datagram(fraghdr, clen);
+    /* Bail if unable to enqueue */
+    if(ipr == NULL) {
+      goto nullreturn;
+    }
+  } else {
+    if (((ntohs(IPH_OFFSET(fraghdr)) & IP_OFFMASK) == 0) && 
+      ((ntohs(IPH_OFFSET(&ipr->iphdr)) & IP_OFFMASK) != 0)) {
+      /* ipr->iphdr is not the header from the first fragment, but fraghdr is
+       * -> copy fraghdr into ipr->iphdr since we want to have the header
+       * of the first fragment (for ICMP time exceeded and later, for copying
+       * all options, if supported)*/
+      SMEMCPY(&ipr->iphdr, fraghdr, IP_HLEN);
+    }
+  }
+  /* Track the current number of pbufs current 'in-flight', in order to limit 
+  the number of fragments that may be enqueued at any one time */
+  ip_reass_pbufcount += clen;
+
+  /* At this point, we have either created a new entry or pointing 
+   * to an existing one */
+
+  /* check for 'no more fragments', and update queue entry*/
+  if ((IPH_OFFSET(fraghdr) & PP_NTOHS(IP_MF)) == 0) {
+    ipr->flags |= IP_REASS_FLAG_LASTFRAG;
+    ipr->datagram_len = offset + len;
+    LWIP_DEBUGF(IP_REASS_DEBUG,
+     ("ip_reass: last fragment seen, total len %"S16_F"\n",
+      ipr->datagram_len));
+  }
+  /* find the right place to insert this pbuf */
+  /* @todo: trim pbufs if fragments are overlapping */
+  if (ip_reass_chain_frag_into_datagram_and_validate(ipr, p)) {
+    /* the totally last fragment (flag more fragments = 0) was received at least
+     * once AND all fragments are received */
+    ipr->datagram_len += IP_HLEN;
+
+    /* save the second pbuf before copying the header over the pointer */
+    r = ((struct ip_reass_helper*)ipr->p->payload)->next_pbuf;
+
+    /* copy the original ip header back to the first pbuf */
+    fraghdr = (struct ip_hdr*)(ipr->p->payload);
+    SMEMCPY(fraghdr, &ipr->iphdr, IP_HLEN);
+    IPH_LEN_SET(fraghdr, htons(ipr->datagram_len));
+    IPH_OFFSET_SET(fraghdr, 0);
+    IPH_CHKSUM_SET(fraghdr, 0);
+    /* @todo: do we need to set calculate the correct checksum? */
+    IPH_CHKSUM_SET(fraghdr, inet_chksum(fraghdr, IP_HLEN));
+
+    p = ipr->p;
+
+    /* chain together the pbufs contained within the reass_data list. */
+    while(r != NULL) {
+      iprh = (struct ip_reass_helper*)r->payload;
+
+      /* hide the ip header for every succeding fragment */
+      pbuf_header(r, -IP_HLEN);
+      pbuf_cat(p, r);
+      r = iprh->next_pbuf;
+    }
+    /* release the sources allocate for the fragment queue entry */
+    ip_reass_dequeue_datagram(ipr, ipr_prev);
+
+    /* and adjust the number of pbufs currently queued for reassembly. */
+    ip_reass_pbufcount -= pbuf_clen(p);
+
+    /* Return the pbuf chain */
+    return p;
+  }
+  /* the datagram is not (yet?) reassembled completely */
+  LWIP_DEBUGF(IP_REASS_DEBUG,("ip_reass_pbufcount: %d out\n", ip_reass_pbufcount));
+  return NULL;
+
+nullreturn:
+  LWIP_DEBUGF(IP_REASS_DEBUG,("ip_reass: nullreturn\n"));
+  IPFRAG_STATS_INC(ip_frag.drop);
+  pbuf_free(p);
+  return NULL;
+}
+#endif /* IP_REASSEMBLY */
+
+#if IP_FRAG
+#if IP_FRAG_USES_STATIC_BUF
+static u8_t buf[LWIP_MEM_ALIGN_SIZE(IP_FRAG_MAX_MTU + MEM_ALIGNMENT - 1)];
+#else /* IP_FRAG_USES_STATIC_BUF */
+
+#if !LWIP_NETIF_TX_SINGLE_PBUF
+/** Allocate a new struct pbuf_custom_ref */
+static struct pbuf_custom_ref*
+ip_frag_alloc_pbuf_custom_ref(void)
+{
+  return (struct pbuf_custom_ref*)memp_malloc(MEMP_FRAG_PBUF);
+}
+
+/** Free a struct pbuf_custom_ref */
+static void
+ip_frag_free_pbuf_custom_ref(struct pbuf_custom_ref* p)
+{
+  LWIP_ASSERT("p != NULL", p != NULL);
+  memp_free(MEMP_FRAG_PBUF, p);
+}
+
+/** Free-callback function to free a 'struct pbuf_custom_ref', called by
+ * pbuf_free. */
+static void
+ipfrag_free_pbuf_custom(struct pbuf *p)
+{
+  struct pbuf_custom_ref *pcr = (struct pbuf_custom_ref*)p;
+  LWIP_ASSERT("pcr != NULL", pcr != NULL);
+  LWIP_ASSERT("pcr == p", (void*)pcr == (void*)p);
+  if (pcr->original != NULL) {
+    pbuf_free(pcr->original);
+  }
+  ip_frag_free_pbuf_custom_ref(pcr);
+}
+#endif /* !LWIP_NETIF_TX_SINGLE_PBUF */
+#endif /* IP_FRAG_USES_STATIC_BUF */
+
+/**
+ * Fragment an IP datagram if too large for the netif.
+ *
+ * Chop the datagram in MTU sized chunks and send them in order
+ * by using a fixed size static memory buffer (PBUF_REF) or
+ * point PBUF_REFs into p (depending on IP_FRAG_USES_STATIC_BUF).
+ *
+ * @param p ip packet to send
+ * @param netif the netif on which to send
+ * @param dest destination ip address to which to send
+ *
+ * @return ERR_OK if sent successfully, err_t otherwise
+ */
+err_t 
+ip_frag(struct pbuf *p, struct netif *netif, ip_addr_t *dest)
+{
+  struct pbuf *rambuf;
+#if IP_FRAG_USES_STATIC_BUF
+  struct pbuf *header;
+#else
+#if !LWIP_NETIF_TX_SINGLE_PBUF
+  struct pbuf *newpbuf;
+#endif
+  struct ip_hdr *original_iphdr;
+#endif
+  struct ip_hdr *iphdr;
+  u16_t nfb;
+  u16_t left, cop;
+  u16_t mtu = netif->mtu;
+  u16_t ofo, omf;
+  u16_t last;
+  u16_t poff = IP_HLEN;
+  u16_t tmp;
+#if !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF
+  u16_t newpbuflen = 0;
+  u16_t left_to_copy;
+#endif
+
+  /* Get a RAM based MTU sized pbuf */
+#if IP_FRAG_USES_STATIC_BUF
+  /* When using a static buffer, we use a PBUF_REF, which we will
+   * use to reference the packet (without link header).
+   * Layer and length is irrelevant.
+   */
+  rambuf = pbuf_alloc(PBUF_LINK, 0, PBUF_REF);
+  if (rambuf == NULL) {
+    LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_frag: pbuf_alloc(PBUF_LINK, 0, PBUF_REF) failed\n"));
+    return ERR_MEM;
+  }
+  rambuf->tot_len = rambuf->len = mtu;
+  rambuf->payload = LWIP_MEM_ALIGN((void *)buf);
+
+  /* Copy the IP header in it */
+  iphdr = (struct ip_hdr *)rambuf->payload;
+  SMEMCPY(iphdr, p->payload, IP_HLEN);
+#else /* IP_FRAG_USES_STATIC_BUF */
+  original_iphdr = (struct ip_hdr *)p->payload;
+  iphdr = original_iphdr;
+#endif /* IP_FRAG_USES_STATIC_BUF */
+
+  /* Save original offset */
+  tmp = ntohs(IPH_OFFSET(iphdr));
+  ofo = tmp & IP_OFFMASK;
+  omf = tmp & IP_MF;
+
+  left = p->tot_len - IP_HLEN;
+
+  nfb = (mtu - IP_HLEN) / 8;
+
+  while (left) {
+    last = (left <= mtu - IP_HLEN);
+
+    /* Set new offset and MF flag */
+    tmp = omf | (IP_OFFMASK & (ofo));
+    if (!last) {
+      tmp = tmp | IP_MF;
+    }
+
+    /* Fill this fragment */
+    cop = last ? left : nfb * 8;
+
+#if IP_FRAG_USES_STATIC_BUF
+    poff += pbuf_copy_partial(p, (u8_t*)iphdr + IP_HLEN, cop, poff);
+#else /* IP_FRAG_USES_STATIC_BUF */
+#if LWIP_NETIF_TX_SINGLE_PBUF
+    rambuf = pbuf_alloc(PBUF_IP, cop, PBUF_RAM);
+    if (rambuf == NULL) {
+      return ERR_MEM;
+    }
+    LWIP_ASSERT("this needs a pbuf in one piece!",
+      (rambuf->len == rambuf->tot_len) && (rambuf->next == NULL));
+    poff += pbuf_copy_partial(p, rambuf->payload, cop, poff);
+    /* make room for the IP header */
+    if(pbuf_header(rambuf, IP_HLEN)) {
+      pbuf_free(rambuf);
+      return ERR_MEM;
+    }
+    /* fill in the IP header */
+    SMEMCPY(rambuf->payload, original_iphdr, IP_HLEN);
+    iphdr = rambuf->payload;
+#else /* LWIP_NETIF_TX_SINGLE_PBUF */
+    /* When not using a static buffer, create a chain of pbufs.
+     * The first will be a PBUF_RAM holding the link and IP header.
+     * The rest will be PBUF_REFs mirroring the pbuf chain to be fragged,
+     * but limited to the size of an mtu.
+     */
+    rambuf = pbuf_alloc(PBUF_LINK, IP_HLEN, PBUF_RAM);
+    if (rambuf == NULL) {
+      return ERR_MEM;
+    }
+    LWIP_ASSERT("this needs a pbuf in one piece!",
+                (p->len >= (IP_HLEN)));
+    SMEMCPY(rambuf->payload, original_iphdr, IP_HLEN);
+    iphdr = (struct ip_hdr *)rambuf->payload;
+
+    /* Can just adjust p directly for needed offset. */
+    p->payload = (u8_t *)p->payload + poff;
+    p->len -= poff;
+
+    left_to_copy = cop;
+    while (left_to_copy) {
+      struct pbuf_custom_ref *pcr;
+      newpbuflen = (left_to_copy < p->len) ? left_to_copy : p->len;
+      /* Is this pbuf already empty? */
+      if (!newpbuflen) {
+        p = p->next;
+        continue;
+      }
+      pcr = ip_frag_alloc_pbuf_custom_ref();
+      if (pcr == NULL) {
+        pbuf_free(rambuf);
+        return ERR_MEM;
+      }
+      /* Mirror this pbuf, although we might not need all of it. */
+      newpbuf = pbuf_alloced_custom(PBUF_RAW, newpbuflen, PBUF_REF, &pcr->pc, p->payload, newpbuflen);
+      if (newpbuf == NULL) {
+        ip_frag_free_pbuf_custom_ref(pcr);
+        pbuf_free(rambuf);
+        return ERR_MEM;
+      }
+      pbuf_ref(p);
+      pcr->original = p;
+      pcr->pc.custom_free_function = ipfrag_free_pbuf_custom;
+
+      /* Add it to end of rambuf's chain, but using pbuf_cat, not pbuf_chain
+       * so that it is removed when pbuf_dechain is later called on rambuf.
+       */
+      pbuf_cat(rambuf, newpbuf);
+      left_to_copy -= newpbuflen;
+      if (left_to_copy) {
+        p = p->next;
+      }
+    }
+    poff = newpbuflen;
+#endif /* LWIP_NETIF_TX_SINGLE_PBUF */
+#endif /* IP_FRAG_USES_STATIC_BUF */
+
+    /* Correct header */
+    IPH_OFFSET_SET(iphdr, htons(tmp));
+    IPH_LEN_SET(iphdr, htons(cop + IP_HLEN));
+    IPH_CHKSUM_SET(iphdr, 0);
+    IPH_CHKSUM_SET(iphdr, inet_chksum(iphdr, IP_HLEN));
+
+#if IP_FRAG_USES_STATIC_BUF
+    if (last) {
+      pbuf_realloc(rambuf, left + IP_HLEN);
+    }
+
+    /* This part is ugly: we alloc a RAM based pbuf for 
+     * the link level header for each chunk and then 
+     * free it.A PBUF_ROM style pbuf for which pbuf_header
+     * worked would make things simpler.
+     */
+    header = pbuf_alloc(PBUF_LINK, 0, PBUF_RAM);
+    if (header != NULL) {
+      pbuf_chain(header, rambuf);
+      netif->output(netif, header, dest);
+      IPFRAG_STATS_INC(ip_frag.xmit);
+      snmp_inc_ipfragcreates();
+      pbuf_free(header);
+    } else {
+      LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_frag: pbuf_alloc() for header failed\n"));
+      pbuf_free(rambuf);
+      return ERR_MEM;
+    }
+#else /* IP_FRAG_USES_STATIC_BUF */
+    /* No need for separate header pbuf - we allowed room for it in rambuf
+     * when allocated.
+     */
+    netif->output(netif, rambuf, dest);
+    IPFRAG_STATS_INC(ip_frag.xmit);
+
+    /* Unfortunately we can't reuse rambuf - the hardware may still be
+     * using the buffer. Instead we free it (and the ensuing chain) and
+     * recreate it next time round the loop. If we're lucky the hardware
+     * will have already sent the packet, the free will really free, and
+     * there will be zero memory penalty.
+     */
+    
+    pbuf_free(rambuf);
+#endif /* IP_FRAG_USES_STATIC_BUF */
+    left -= cop;
+    ofo += nfb;
+  }
+#if IP_FRAG_USES_STATIC_BUF
+  pbuf_free(rambuf);
+#endif /* IP_FRAG_USES_STATIC_BUF */
+  snmp_inc_ipfragoks();
+  return ERR_OK;
+}
+#endif /* IP_FRAG */
diff --git a/libraries/net/lwip/lwip/core/mem.c b/libraries/net/lwip/lwip/core/mem.c
new file mode 100644
index 0000000000..8dace881c1
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/mem.c
@@ -0,0 +1,642 @@
+/**
+ * @file
+ * Dynamic memory manager
+ *
+ * This is a lightweight replacement for the standard C library malloc().
+ *
+ * If you want to use the standard C library malloc() instead, define
+ * MEM_LIBC_MALLOC to 1 in your lwipopts.h
+ *
+ * To let mem_malloc() use pools (prevents fragmentation and is much faster than
+ * a heap but might waste some memory), define MEM_USE_POOLS to 1, define
+ * MEM_USE_CUSTOM_POOLS to 1 and create a file "lwippools.h" that includes a list
+ * of pools like this (more pools can be added between _START and _END):
+ *
+ * Define three pools with sizes 256, 512, and 1512 bytes
+ * LWIP_MALLOC_MEMPOOL_START
+ * LWIP_MALLOC_MEMPOOL(20, 256)
+ * LWIP_MALLOC_MEMPOOL(10, 512)
+ * LWIP_MALLOC_MEMPOOL(5, 1512)
+ * LWIP_MALLOC_MEMPOOL_END
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *         Simon Goldschmidt
+ *
+ */
+
+#include "lwip/opt.h"
+
+#if !MEM_LIBC_MALLOC /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/def.h"
+#include "lwip/mem.h"
+#include "lwip/sys.h"
+#include "lwip/stats.h"
+#include "lwip/err.h"
+
+#include 
+
+#if MEM_USE_POOLS
+/* lwIP head implemented with different sized pools */
+
+/**
+ * Allocate memory: determine the smallest pool that is big enough
+ * to contain an element of 'size' and get an element from that pool.
+ *
+ * @param size the size in bytes of the memory needed
+ * @return a pointer to the allocated memory or NULL if the pool is empty
+ */
+void *
+mem_malloc(mem_size_t size)
+{
+  struct memp_malloc_helper *element;
+  memp_t poolnr;
+  mem_size_t required_size = size + sizeof(struct memp_malloc_helper);
+
+  for (poolnr = MEMP_POOL_FIRST; poolnr <= MEMP_POOL_LAST; poolnr = (memp_t)(poolnr + 1)) {
+#if MEM_USE_POOLS_TRY_BIGGER_POOL
+again:
+#endif /* MEM_USE_POOLS_TRY_BIGGER_POOL */
+    /* is this pool big enough to hold an element of the required size
+       plus a struct memp_malloc_helper that saves the pool this element came from? */
+    if (required_size <= memp_sizes[poolnr]) {
+      break;
+    }
+  }
+  if (poolnr > MEMP_POOL_LAST) {
+    LWIP_ASSERT("mem_malloc(): no pool is that big!", 0);
+    return NULL;
+  }
+  element = (struct memp_malloc_helper*)memp_malloc(poolnr);
+  if (element == NULL) {
+    /* No need to DEBUGF or ASSERT: This error is already
+       taken care of in memp.c */
+#if MEM_USE_POOLS_TRY_BIGGER_POOL
+    /** Try a bigger pool if this one is empty! */
+    if (poolnr < MEMP_POOL_LAST) {
+      poolnr++;
+      goto again;
+    }
+#endif /* MEM_USE_POOLS_TRY_BIGGER_POOL */
+    return NULL;
+  }
+
+  /* save the pool number this element came from */
+  element->poolnr = poolnr;
+  /* and return a pointer to the memory directly after the struct memp_malloc_helper */
+  element++;
+
+  return element;
+}
+
+/**
+ * Free memory previously allocated by mem_malloc. Loads the pool number
+ * and calls memp_free with that pool number to put the element back into
+ * its pool
+ *
+ * @param rmem the memory element to free
+ */
+void
+mem_free(void *rmem)
+{
+  struct memp_malloc_helper *hmem = (struct memp_malloc_helper*)rmem;
+
+  LWIP_ASSERT("rmem != NULL", (rmem != NULL));
+  LWIP_ASSERT("rmem == MEM_ALIGN(rmem)", (rmem == LWIP_MEM_ALIGN(rmem)));
+
+  /* get the original struct memp_malloc_helper */
+  hmem--;
+
+  LWIP_ASSERT("hmem != NULL", (hmem != NULL));
+  LWIP_ASSERT("hmem == MEM_ALIGN(hmem)", (hmem == LWIP_MEM_ALIGN(hmem)));
+  LWIP_ASSERT("hmem->poolnr < MEMP_MAX", (hmem->poolnr < MEMP_MAX));
+
+  /* and put it in the pool we saved earlier */
+  memp_free(hmem->poolnr, hmem);
+}
+
+#else /* MEM_USE_POOLS */
+/* lwIP replacement for your libc malloc() */
+
+/**
+ * The heap is made up as a list of structs of this type.
+ * This does not have to be aligned since for getting its size,
+ * we only use the macro SIZEOF_STRUCT_MEM, which automatically alignes.
+ */
+struct mem {
+  /** index (-> ram[next]) of the next struct */
+  mem_size_t next;
+  /** index (-> ram[prev]) of the previous struct */
+  mem_size_t prev;
+  /** 1: this area is used; 0: this area is unused */
+  u8_t used;
+};
+
+/** All allocated blocks will be MIN_SIZE bytes big, at least!
+ * MIN_SIZE can be overridden to suit your needs. Smaller values save space,
+ * larger values could prevent too small blocks to fragment the RAM too much. */
+#ifndef MIN_SIZE
+#define MIN_SIZE             12
+#endif /* MIN_SIZE */
+/* some alignment macros: we define them here for better source code layout */
+#define MIN_SIZE_ALIGNED     LWIP_MEM_ALIGN_SIZE(MIN_SIZE)
+#define SIZEOF_STRUCT_MEM    LWIP_MEM_ALIGN_SIZE(sizeof(struct mem))
+#define MEM_SIZE_ALIGNED     LWIP_MEM_ALIGN_SIZE(MEM_SIZE)
+
+/** If you want to relocate the heap to external memory, simply define
+ * LWIP_RAM_HEAP_POINTER as a void-pointer to that location.
+ * If so, make sure the memory at that location is big enough (see below on
+ * how that space is calculated). */
+#ifndef LWIP_RAM_HEAP_POINTER
+/** the heap. we need one struct mem at the end and some room for alignment */
+u8_t ram_heap[MEM_SIZE_ALIGNED + (2*SIZEOF_STRUCT_MEM) + MEM_ALIGNMENT]__attribute((section("AHBSRAM0")));
+#define LWIP_RAM_HEAP_POINTER ram_heap
+#endif /* LWIP_RAM_HEAP_POINTER */
+
+/** pointer to the heap (ram_heap): for alignment, ram is now a pointer instead of an array */
+static u8_t *ram;
+/** the last entry, always unused! */
+static struct mem *ram_end;
+/** pointer to the lowest free block, this is used for faster search */
+static struct mem *lfree;
+
+/** concurrent access protection */
+static sys_mutex_t mem_mutex;
+
+#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT
+
+static volatile u8_t mem_free_count;
+
+/* Allow mem_free from other (e.g. interrupt) context */
+#define LWIP_MEM_FREE_DECL_PROTECT()  SYS_ARCH_DECL_PROTECT(lev_free)
+#define LWIP_MEM_FREE_PROTECT()       SYS_ARCH_PROTECT(lev_free)
+#define LWIP_MEM_FREE_UNPROTECT()     SYS_ARCH_UNPROTECT(lev_free)
+#define LWIP_MEM_ALLOC_DECL_PROTECT() SYS_ARCH_DECL_PROTECT(lev_alloc)
+#define LWIP_MEM_ALLOC_PROTECT()      SYS_ARCH_PROTECT(lev_alloc)
+#define LWIP_MEM_ALLOC_UNPROTECT()    SYS_ARCH_UNPROTECT(lev_alloc)
+
+#else /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */
+
+/* Protect the heap only by using a semaphore */
+#define LWIP_MEM_FREE_DECL_PROTECT()
+#define LWIP_MEM_FREE_PROTECT()    sys_mutex_lock(&mem_mutex)
+#define LWIP_MEM_FREE_UNPROTECT()  sys_mutex_unlock(&mem_mutex)
+/* mem_malloc is protected using semaphore AND LWIP_MEM_ALLOC_PROTECT */
+#define LWIP_MEM_ALLOC_DECL_PROTECT()
+#define LWIP_MEM_ALLOC_PROTECT()
+#define LWIP_MEM_ALLOC_UNPROTECT()
+
+#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */
+
+
+/**
+ * "Plug holes" by combining adjacent empty struct mems.
+ * After this function is through, there should not exist
+ * one empty struct mem pointing to another empty struct mem.
+ *
+ * @param mem this points to a struct mem which just has been freed
+ * @internal this function is only called by mem_free() and mem_trim()
+ *
+ * This assumes access to the heap is protected by the calling function
+ * already.
+ */
+static void
+plug_holes(struct mem *mem)
+{
+  struct mem *nmem;
+  struct mem *pmem;
+
+  LWIP_ASSERT("plug_holes: mem >= ram", (u8_t *)mem >= ram);
+  LWIP_ASSERT("plug_holes: mem < ram_end", (u8_t *)mem < (u8_t *)ram_end);
+  LWIP_ASSERT("plug_holes: mem->used == 0", mem->used == 0);
+
+  /* plug hole forward */
+  LWIP_ASSERT("plug_holes: mem->next <= MEM_SIZE_ALIGNED", mem->next <= MEM_SIZE_ALIGNED);
+
+  nmem = (struct mem *)(void *)&ram[mem->next];
+  if (mem != nmem && nmem->used == 0 && (u8_t *)nmem != (u8_t *)ram_end) {
+    /* if mem->next is unused and not end of ram, combine mem and mem->next */
+    if (lfree == nmem) {
+      lfree = mem;
+    }
+    mem->next = nmem->next;
+    ((struct mem *)(void *)&ram[nmem->next])->prev = (mem_size_t)((u8_t *)mem - ram);
+  }
+
+  /* plug hole backward */
+  pmem = (struct mem *)(void *)&ram[mem->prev];
+  if (pmem != mem && pmem->used == 0) {
+    /* if mem->prev is unused, combine mem and mem->prev */
+    if (lfree == mem) {
+      lfree = pmem;
+    }
+    pmem->next = mem->next;
+    ((struct mem *)(void *)&ram[mem->next])->prev = (mem_size_t)((u8_t *)pmem - ram);
+  }
+}
+
+/**
+ * Zero the heap and initialize start, end and lowest-free
+ */
+void
+mem_init(void)
+{
+  struct mem *mem;
+
+  LWIP_ASSERT("Sanity check alignment",
+    (SIZEOF_STRUCT_MEM & (MEM_ALIGNMENT-1)) == 0);
+
+  /* align the heap */
+  ram = (u8_t *)LWIP_MEM_ALIGN(LWIP_RAM_HEAP_POINTER);
+  /* initialize the start of the heap */
+  mem = (struct mem *)(void *)ram;
+  mem->next = MEM_SIZE_ALIGNED;
+  mem->prev = 0;
+  mem->used = 0;
+  /* initialize the end of the heap */
+  ram_end = (struct mem *)(void *)&ram[MEM_SIZE_ALIGNED];
+  ram_end->used = 1;
+  ram_end->next = MEM_SIZE_ALIGNED;
+  ram_end->prev = MEM_SIZE_ALIGNED;
+
+  /* initialize the lowest-free pointer to the start of the heap */
+  lfree = (struct mem *)(void *)ram;
+
+  MEM_STATS_AVAIL(avail, MEM_SIZE_ALIGNED);
+
+  if(sys_mutex_new(&mem_mutex) != ERR_OK) {
+    LWIP_ASSERT("failed to create mem_mutex", 0);
+  }
+}
+
+/**
+ * Put a struct mem back on the heap
+ *
+ * @param rmem is the data portion of a struct mem as returned by a previous
+ *             call to mem_malloc()
+ */
+void
+mem_free(void *rmem)
+{
+  struct mem *mem;
+  LWIP_MEM_FREE_DECL_PROTECT();
+
+  if (rmem == NULL) {
+    LWIP_DEBUGF(MEM_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("mem_free(p == NULL) was called.\n"));
+    return;
+  }
+  LWIP_ASSERT("mem_free: sanity check alignment", (((mem_ptr_t)rmem) & (MEM_ALIGNMENT-1)) == 0);
+
+  LWIP_ASSERT("mem_free: legal memory", (u8_t *)rmem >= (u8_t *)ram &&
+    (u8_t *)rmem < (u8_t *)ram_end);
+
+  if ((u8_t *)rmem < (u8_t *)ram || (u8_t *)rmem >= (u8_t *)ram_end) {
+    SYS_ARCH_DECL_PROTECT(lev);
+    LWIP_DEBUGF(MEM_DEBUG | LWIP_DBG_LEVEL_SEVERE, ("mem_free: illegal memory\n"));
+    /* protect mem stats from concurrent access */
+    SYS_ARCH_PROTECT(lev);
+    MEM_STATS_INC(illegal);
+    SYS_ARCH_UNPROTECT(lev);
+    return;
+  }
+  /* protect the heap from concurrent access */
+  LWIP_MEM_FREE_PROTECT();
+  /* Get the corresponding struct mem ... */
+  mem = (struct mem *)(void *)((u8_t *)rmem - SIZEOF_STRUCT_MEM);
+  /* ... which has to be in a used state ... */
+  LWIP_ASSERT("mem_free: mem->used", mem->used);
+  /* ... and is now unused. */
+  mem->used = 0;
+
+  if (mem < lfree) {
+    /* the newly freed struct is now the lowest */
+    lfree = mem;
+  }
+
+  MEM_STATS_DEC_USED(used, mem->next - (mem_size_t)(((u8_t *)mem - ram)));
+
+  /* finally, see if prev or next are free also */
+  plug_holes(mem);
+#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT
+  mem_free_count = 1;
+#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */
+  LWIP_MEM_FREE_UNPROTECT();
+}
+
+/**
+ * Shrink memory returned by mem_malloc().
+ *
+ * @param rmem pointer to memory allocated by mem_malloc the is to be shrinked
+ * @param newsize required size after shrinking (needs to be smaller than or
+ *                equal to the previous size)
+ * @return for compatibility reasons: is always == rmem, at the moment
+ *         or NULL if newsize is > old size, in which case rmem is NOT touched
+ *         or freed!
+ */
+void *
+mem_trim(void *rmem, mem_size_t newsize)
+{
+  mem_size_t size;
+  mem_size_t ptr, ptr2;
+  struct mem *mem, *mem2;
+  /* use the FREE_PROTECT here: it protects with sem OR SYS_ARCH_PROTECT */
+  LWIP_MEM_FREE_DECL_PROTECT();
+
+  /* Expand the size of the allocated memory region so that we can
+     adjust for alignment. */
+  newsize = LWIP_MEM_ALIGN_SIZE(newsize);
+
+  if(newsize < MIN_SIZE_ALIGNED) {
+    /* every data block must be at least MIN_SIZE_ALIGNED long */
+    newsize = MIN_SIZE_ALIGNED;
+  }
+
+  if (newsize > MEM_SIZE_ALIGNED) {
+    return NULL;
+  }
+
+  LWIP_ASSERT("mem_trim: legal memory", (u8_t *)rmem >= (u8_t *)ram &&
+   (u8_t *)rmem < (u8_t *)ram_end);
+
+  if ((u8_t *)rmem < (u8_t *)ram || (u8_t *)rmem >= (u8_t *)ram_end) {
+    SYS_ARCH_DECL_PROTECT(lev);
+    LWIP_DEBUGF(MEM_DEBUG | LWIP_DBG_LEVEL_SEVERE, ("mem_trim: illegal memory\n"));
+    /* protect mem stats from concurrent access */
+    SYS_ARCH_PROTECT(lev);
+    MEM_STATS_INC(illegal);
+    SYS_ARCH_UNPROTECT(lev);
+    return rmem;
+  }
+  /* Get the corresponding struct mem ... */
+  mem = (struct mem *)(void *)((u8_t *)rmem - SIZEOF_STRUCT_MEM);
+  /* ... and its offset pointer */
+  ptr = (mem_size_t)((u8_t *)mem - ram);
+
+  size = mem->next - ptr - SIZEOF_STRUCT_MEM;
+  LWIP_ASSERT("mem_trim can only shrink memory", newsize <= size);
+  if (newsize > size) {
+    /* not supported */
+    return NULL;
+  }
+  if (newsize == size) {
+    /* No change in size, simply return */
+    return rmem;
+  }
+
+  /* protect the heap from concurrent access */
+  LWIP_MEM_FREE_PROTECT();
+
+  mem2 = (struct mem *)(void *)&ram[mem->next];
+  if(mem2->used == 0) {
+    /* The next struct is unused, we can simply move it at little */
+    mem_size_t next;
+    /* remember the old next pointer */
+    next = mem2->next;
+    /* create new struct mem which is moved directly after the shrinked mem */
+    ptr2 = ptr + SIZEOF_STRUCT_MEM + newsize;
+    if (lfree == mem2) {
+      lfree = (struct mem *)(void *)&ram[ptr2];
+    }
+    mem2 = (struct mem *)(void *)&ram[ptr2];
+    mem2->used = 0;
+    /* restore the next pointer */
+    mem2->next = next;
+    /* link it back to mem */
+    mem2->prev = ptr;
+    /* link mem to it */
+    mem->next = ptr2;
+    /* last thing to restore linked list: as we have moved mem2,
+     * let 'mem2->next->prev' point to mem2 again. but only if mem2->next is not
+     * the end of the heap */
+    if (mem2->next != MEM_SIZE_ALIGNED) {
+      ((struct mem *)(void *)&ram[mem2->next])->prev = ptr2;
+    }
+    MEM_STATS_DEC_USED(used, (size - newsize));
+    /* no need to plug holes, we've already done that */
+  } else if (newsize + SIZEOF_STRUCT_MEM + MIN_SIZE_ALIGNED <= size) {
+    /* Next struct is used but there's room for another struct mem with
+     * at least MIN_SIZE_ALIGNED of data.
+     * Old size ('size') must be big enough to contain at least 'newsize' plus a struct mem
+     * ('SIZEOF_STRUCT_MEM') with some data ('MIN_SIZE_ALIGNED').
+     * @todo we could leave out MIN_SIZE_ALIGNED. We would create an empty
+     *       region that couldn't hold data, but when mem->next gets freed,
+     *       the 2 regions would be combined, resulting in more free memory */
+    ptr2 = ptr + SIZEOF_STRUCT_MEM + newsize;
+    mem2 = (struct mem *)(void *)&ram[ptr2];
+    if (mem2 < lfree) {
+      lfree = mem2;
+    }
+    mem2->used = 0;
+    mem2->next = mem->next;
+    mem2->prev = ptr;
+    mem->next = ptr2;
+    if (mem2->next != MEM_SIZE_ALIGNED) {
+      ((struct mem *)(void *)&ram[mem2->next])->prev = ptr2;
+    }
+    MEM_STATS_DEC_USED(used, (size - newsize));
+    /* the original mem->next is used, so no need to plug holes! */
+  }
+  /* else {
+    next struct mem is used but size between mem and mem2 is not big enough
+    to create another struct mem
+    -> don't do anyhting. 
+    -> the remaining space stays unused since it is too small
+  } */
+#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT
+  mem_free_count = 1;
+#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */
+  LWIP_MEM_FREE_UNPROTECT();
+  return rmem;
+}
+
+/**
+ * Adam's mem_malloc() plus solution for bug #17922
+ * Allocate a block of memory with a minimum of 'size' bytes.
+ *
+ * @param size is the minimum size of the requested block in bytes.
+ * @return pointer to allocated memory or NULL if no free memory was found.
+ *
+ * Note that the returned value will always be aligned (as defined by MEM_ALIGNMENT).
+ */
+void *
+mem_malloc(mem_size_t size)
+{
+  mem_size_t ptr, ptr2;
+  struct mem *mem, *mem2;
+#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT
+  u8_t local_mem_free_count = 0;
+#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */
+  LWIP_MEM_ALLOC_DECL_PROTECT();
+
+  if (size == 0) {
+    return NULL;
+  }
+
+  /* Expand the size of the allocated memory region so that we can
+     adjust for alignment. */
+  size = LWIP_MEM_ALIGN_SIZE(size);
+
+  if(size < MIN_SIZE_ALIGNED) {
+    /* every data block must be at least MIN_SIZE_ALIGNED long */
+    size = MIN_SIZE_ALIGNED;
+  }
+
+  if (size > MEM_SIZE_ALIGNED) {
+    return NULL;
+  }
+
+  /* protect the heap from concurrent access */
+  sys_mutex_lock(&mem_mutex);
+  LWIP_MEM_ALLOC_PROTECT();
+#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT
+  /* run as long as a mem_free disturbed mem_malloc */
+  do {
+    local_mem_free_count = 0;
+#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */
+
+    /* Scan through the heap searching for a free block that is big enough,
+     * beginning with the lowest free block.
+     */
+    for (ptr = (mem_size_t)((u8_t *)lfree - ram); ptr < MEM_SIZE_ALIGNED - size;
+         ptr = ((struct mem *)(void *)&ram[ptr])->next) {
+      mem = (struct mem *)(void *)&ram[ptr];
+#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT
+      mem_free_count = 0;
+      LWIP_MEM_ALLOC_UNPROTECT();
+      /* allow mem_free to run */
+      LWIP_MEM_ALLOC_PROTECT();
+      if (mem_free_count != 0) {
+        local_mem_free_count = mem_free_count;
+      }
+      mem_free_count = 0;
+#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */
+
+      if ((!mem->used) &&
+          (mem->next - (ptr + SIZEOF_STRUCT_MEM)) >= size) {
+        /* mem is not used and at least perfect fit is possible:
+         * mem->next - (ptr + SIZEOF_STRUCT_MEM) gives us the 'user data size' of mem */
+
+        if (mem->next - (ptr + SIZEOF_STRUCT_MEM) >= (size + SIZEOF_STRUCT_MEM + MIN_SIZE_ALIGNED)) {
+          /* (in addition to the above, we test if another struct mem (SIZEOF_STRUCT_MEM) containing
+           * at least MIN_SIZE_ALIGNED of data also fits in the 'user data space' of 'mem')
+           * -> split large block, create empty remainder,
+           * remainder must be large enough to contain MIN_SIZE_ALIGNED data: if
+           * mem->next - (ptr + (2*SIZEOF_STRUCT_MEM)) == size,
+           * struct mem would fit in but no data between mem2 and mem2->next
+           * @todo we could leave out MIN_SIZE_ALIGNED. We would create an empty
+           *       region that couldn't hold data, but when mem->next gets freed,
+           *       the 2 regions would be combined, resulting in more free memory
+           */
+          ptr2 = ptr + SIZEOF_STRUCT_MEM + size;
+          /* create mem2 struct */
+          mem2 = (struct mem *)(void *)&ram[ptr2];
+          mem2->used = 0;
+          mem2->next = mem->next;
+          mem2->prev = ptr;
+          /* and insert it between mem and mem->next */
+          mem->next = ptr2;
+          mem->used = 1;
+
+          if (mem2->next != MEM_SIZE_ALIGNED) {
+            ((struct mem *)(void *)&ram[mem2->next])->prev = ptr2;
+          }
+          MEM_STATS_INC_USED(used, (size + SIZEOF_STRUCT_MEM));
+        } else {
+          /* (a mem2 struct does no fit into the user data space of mem and mem->next will always
+           * be used at this point: if not we have 2 unused structs in a row, plug_holes should have
+           * take care of this).
+           * -> near fit or excact fit: do not split, no mem2 creation
+           * also can't move mem->next directly behind mem, since mem->next
+           * will always be used at this point!
+           */
+          mem->used = 1;
+          MEM_STATS_INC_USED(used, mem->next - (mem_size_t)((u8_t *)mem - ram));
+        }
+
+        if (mem == lfree) {
+          /* Find next free block after mem and update lowest free pointer */
+          while (lfree->used && lfree != ram_end) {
+            LWIP_MEM_ALLOC_UNPROTECT();
+            /* prevent high interrupt latency... */
+            LWIP_MEM_ALLOC_PROTECT();
+            lfree = (struct mem *)(void *)&ram[lfree->next];
+          }
+          LWIP_ASSERT("mem_malloc: !lfree->used", ((lfree == ram_end) || (!lfree->used)));
+        }
+        LWIP_MEM_ALLOC_UNPROTECT();
+        sys_mutex_unlock(&mem_mutex);
+        LWIP_ASSERT("mem_malloc: allocated memory not above ram_end.",
+         (mem_ptr_t)mem + SIZEOF_STRUCT_MEM + size <= (mem_ptr_t)ram_end);
+        LWIP_ASSERT("mem_malloc: allocated memory properly aligned.",
+         ((mem_ptr_t)mem + SIZEOF_STRUCT_MEM) % MEM_ALIGNMENT == 0);
+        LWIP_ASSERT("mem_malloc: sanity check alignment",
+          (((mem_ptr_t)mem) & (MEM_ALIGNMENT-1)) == 0);
+
+        return (u8_t *)mem + SIZEOF_STRUCT_MEM;
+      }
+    }
+#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT
+    /* if we got interrupted by a mem_free, try again */
+  } while(local_mem_free_count != 0);
+#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */
+  LWIP_DEBUGF(MEM_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("mem_malloc: could not allocate %"S16_F" bytes\n", (s16_t)size));
+  MEM_STATS_INC(err);
+  LWIP_MEM_ALLOC_UNPROTECT();
+  sys_mutex_unlock(&mem_mutex);
+  return NULL;
+}
+
+#endif /* MEM_USE_POOLS */
+/**
+ * Contiguously allocates enough space for count objects that are size bytes
+ * of memory each and returns a pointer to the allocated memory.
+ *
+ * The allocated memory is filled with bytes of value zero.
+ *
+ * @param count number of objects to allocate
+ * @param size size of the objects to allocate
+ * @return pointer to allocated memory / NULL pointer if there is an error
+ */
+void *mem_calloc(mem_size_t count, mem_size_t size)
+{
+  void *p;
+
+  /* allocate 'count' objects of size 'size' */
+  p = mem_malloc(count * size);
+  if (p) {
+    /* zero the memory */
+    memset(p, 0, count * size);
+  }
+  return p;
+}
+
+#endif /* !MEM_LIBC_MALLOC */
diff --git a/libraries/net/lwip/lwip/core/memp.c b/libraries/net/lwip/lwip/core/memp.c
new file mode 100644
index 0000000000..6f97f1d9e7
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/memp.c
@@ -0,0 +1,469 @@
+/**
+ * @file
+ * Dynamic pool memory manager
+ *
+ * lwIP has dedicated pools for many structures (netconn, protocol control blocks,
+ * packet buffers, ...). All these pools are managed here.
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#include "lwip/memp.h"
+#include "lwip/pbuf.h"
+#include "lwip/udp.h"
+#include "lwip/raw.h"
+#include "lwip/tcp_impl.h"
+#include "lwip/igmp.h"
+#include "lwip/api.h"
+#include "lwip/api_msg.h"
+#include "lwip/tcpip.h"
+#include "lwip/sys.h"
+#include "lwip/timers.h"
+#include "lwip/stats.h"
+#include "netif/etharp.h"
+#include "lwip/ip_frag.h"
+#include "lwip/snmp_structs.h"
+#include "lwip/snmp_msg.h"
+#include "lwip/dns.h"
+#include "netif/ppp_oe.h"
+
+#include 
+
+#if !MEMP_MEM_MALLOC /* don't build if not configured for use in lwipopts.h */
+
+struct memp {
+  struct memp *next;
+#if MEMP_OVERFLOW_CHECK
+  const char *file;
+  int line;
+#endif /* MEMP_OVERFLOW_CHECK */
+};
+
+#if MEMP_OVERFLOW_CHECK
+/* if MEMP_OVERFLOW_CHECK is turned on, we reserve some bytes at the beginning
+ * and at the end of each element, initialize them as 0xcd and check
+ * them later. */
+/* If MEMP_OVERFLOW_CHECK is >= 2, on every call to memp_malloc or memp_free,
+ * every single element in each pool is checked!
+ * This is VERY SLOW but also very helpful. */
+/* MEMP_SANITY_REGION_BEFORE and MEMP_SANITY_REGION_AFTER can be overridden in
+ * lwipopts.h to change the amount reserved for checking. */
+#ifndef MEMP_SANITY_REGION_BEFORE
+#define MEMP_SANITY_REGION_BEFORE  16
+#endif /* MEMP_SANITY_REGION_BEFORE*/
+#if MEMP_SANITY_REGION_BEFORE > 0
+#define MEMP_SANITY_REGION_BEFORE_ALIGNED    LWIP_MEM_ALIGN_SIZE(MEMP_SANITY_REGION_BEFORE)
+#else
+#define MEMP_SANITY_REGION_BEFORE_ALIGNED    0
+#endif /* MEMP_SANITY_REGION_BEFORE*/
+#ifndef MEMP_SANITY_REGION_AFTER
+#define MEMP_SANITY_REGION_AFTER   16
+#endif /* MEMP_SANITY_REGION_AFTER*/
+#if MEMP_SANITY_REGION_AFTER > 0
+#define MEMP_SANITY_REGION_AFTER_ALIGNED     LWIP_MEM_ALIGN_SIZE(MEMP_SANITY_REGION_AFTER)
+#else
+#define MEMP_SANITY_REGION_AFTER_ALIGNED     0
+#endif /* MEMP_SANITY_REGION_AFTER*/
+
+/* MEMP_SIZE: save space for struct memp and for sanity check */
+#define MEMP_SIZE          (LWIP_MEM_ALIGN_SIZE(sizeof(struct memp)) + MEMP_SANITY_REGION_BEFORE_ALIGNED)
+#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x) + MEMP_SANITY_REGION_AFTER_ALIGNED)
+
+#else /* MEMP_OVERFLOW_CHECK */
+
+/* No sanity checks
+ * We don't need to preserve the struct memp while not allocated, so we
+ * can save a little space and set MEMP_SIZE to 0.
+ */
+#define MEMP_SIZE           0
+#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x))
+
+#endif /* MEMP_OVERFLOW_CHECK */
+
+/** This array holds the first free element of each pool.
+ *  Elements form a linked list. */
+static struct memp *memp_tab[MEMP_MAX];
+
+#else /* MEMP_MEM_MALLOC */
+
+#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x))
+
+#endif /* MEMP_MEM_MALLOC */
+
+/** This array holds the element sizes of each pool. */
+#if !MEM_USE_POOLS && !MEMP_MEM_MALLOC
+static
+#endif
+const u16_t memp_sizes[MEMP_MAX] = {
+#define LWIP_MEMPOOL(name,num,size,desc)  LWIP_MEM_ALIGN_SIZE(size),
+#include "lwip/memp_std.h"
+};
+
+#if !MEMP_MEM_MALLOC /* don't build if not configured for use in lwipopts.h */
+
+/** This array holds the number of elements in each pool. */
+static const u16_t memp_num[MEMP_MAX] = {
+#define LWIP_MEMPOOL(name,num,size,desc)  (num),
+#include "lwip/memp_std.h"
+};
+
+/** This array holds a textual description of each pool. */
+#ifdef LWIP_DEBUG
+static const char *memp_desc[MEMP_MAX] = {
+#define LWIP_MEMPOOL(name,num,size,desc)  (desc),
+#include "lwip/memp_std.h"
+};
+#endif /* LWIP_DEBUG */
+
+#if MEMP_SEPARATE_POOLS
+
+/** This creates each memory pool. These are named memp_memory_XXX_base (where
+ * XXX is the name of the pool defined in memp_std.h).
+ * To relocate a pool, declare it as extern in cc.h. Example for GCC:
+ *   extern u8_t __attribute__((section(".onchip_mem"))) memp_memory_UDP_PCB_base[];
+ */
+#define LWIP_MEMPOOL(name,num,size,desc) u8_t memp_memory_ ## name ## _base \
+  [((num) * (MEMP_SIZE + MEMP_ALIGN_SIZE(size)))];   
+#include "lwip/memp_std.h"
+
+/** This array holds the base of each memory pool. */
+static u8_t *const memp_bases[] = { 
+#define LWIP_MEMPOOL(name,num,size,desc) memp_memory_ ## name ## _base,   
+#include "lwip/memp_std.h"
+};
+
+#else /* MEMP_SEPARATE_POOLS */
+
+/** This is the actual memory used by the pools (all pools in one big block). */
+static u8_t memp_memory[MEM_ALIGNMENT - 1 
+#define LWIP_MEMPOOL(name,num,size,desc) + ( (num) * (MEMP_SIZE + MEMP_ALIGN_SIZE(size) ) )
+#include "lwip/memp_std.h"
+] __attribute((section("AHBSRAM1")));
+
+#endif /* MEMP_SEPARATE_POOLS */
+
+#if MEMP_SANITY_CHECK
+/**
+ * Check that memp-lists don't form a circle
+ */
+static int
+memp_sanity(void)
+{
+  s16_t i, c;
+  struct memp *m, *n;
+
+  for (i = 0; i < MEMP_MAX; i++) {
+    for (m = memp_tab[i]; m != NULL; m = m->next) {
+      c = 1;
+      for (n = memp_tab[i]; n != NULL; n = n->next) {
+        if (n == m && --c < 0) {
+          return 0;
+        }
+      }
+    }
+  }
+  return 1;
+}
+#endif /* MEMP_SANITY_CHECK*/
+#if MEMP_OVERFLOW_CHECK
+#if defined(LWIP_DEBUG) && MEMP_STATS
+static const char * memp_overflow_names[] = {
+#define LWIP_MEMPOOL(name,num,size,desc) "/"desc,
+#include "lwip/memp_std.h"
+  };
+#endif
+
+/**
+ * Check if a memp element was victim of an overflow
+ * (e.g. the restricted area after it has been altered)
+ *
+ * @param p the memp element to check
+ * @param memp_type the pool p comes from
+ */
+static void
+memp_overflow_check_element_overflow(struct memp *p, u16_t memp_type)
+{
+  u16_t k;
+  u8_t *m;
+#if MEMP_SANITY_REGION_AFTER_ALIGNED > 0
+  m = (u8_t*)p + MEMP_SIZE + memp_sizes[memp_type];
+  for (k = 0; k < MEMP_SANITY_REGION_AFTER_ALIGNED; k++) {
+    if (m[k] != 0xcd) {
+      char errstr[128] = "detected memp overflow in pool ";
+      char digit[] = "0";
+      if(memp_type >= 10) {
+        digit[0] = '0' + (memp_type/10);
+        strcat(errstr, digit);
+      }
+      digit[0] = '0' + (memp_type%10);
+      strcat(errstr, digit);
+#if defined(LWIP_DEBUG) && MEMP_STATS
+      strcat(errstr, memp_overflow_names[memp_type]);
+#endif
+      LWIP_ASSERT(errstr, 0);
+    }
+  }
+#endif
+}
+
+/**
+ * Check if a memp element was victim of an underflow
+ * (e.g. the restricted area before it has been altered)
+ *
+ * @param p the memp element to check
+ * @param memp_type the pool p comes from
+ */
+static void
+memp_overflow_check_element_underflow(struct memp *p, u16_t memp_type)
+{
+  u16_t k;
+  u8_t *m;
+#if MEMP_SANITY_REGION_BEFORE_ALIGNED > 0
+  m = (u8_t*)p + MEMP_SIZE - MEMP_SANITY_REGION_BEFORE_ALIGNED;
+  for (k = 0; k < MEMP_SANITY_REGION_BEFORE_ALIGNED; k++) {
+    if (m[k] != 0xcd) {
+      char errstr[128] = "detected memp underflow in pool ";
+      char digit[] = "0";
+      if(memp_type >= 10) {
+        digit[0] = '0' + (memp_type/10);
+        strcat(errstr, digit);
+      }
+      digit[0] = '0' + (memp_type%10);
+      strcat(errstr, digit);
+#if defined(LWIP_DEBUG) && MEMP_STATS
+      strcat(errstr, memp_overflow_names[memp_type]);
+#endif
+      LWIP_ASSERT(errstr, 0);
+    }
+  }
+#endif
+}
+
+/**
+ * Do an overflow check for all elements in every pool.
+ *
+ * @see memp_overflow_check_element for a description of the check
+ */
+static void
+memp_overflow_check_all(void)
+{
+  u16_t i, j;
+  struct memp *p;
+
+  p = (struct memp *)LWIP_MEM_ALIGN(memp_memory);
+  for (i = 0; i < MEMP_MAX; ++i) {
+    p = p;
+    for (j = 0; j < memp_num[i]; ++j) {
+      memp_overflow_check_element_overflow(p, i);
+      p = (struct memp*)((u8_t*)p + MEMP_SIZE + memp_sizes[i] + MEMP_SANITY_REGION_AFTER_ALIGNED);
+    }
+  }
+  p = (struct memp *)LWIP_MEM_ALIGN(memp_memory);
+  for (i = 0; i < MEMP_MAX; ++i) {
+    p = p;
+    for (j = 0; j < memp_num[i]; ++j) {
+      memp_overflow_check_element_underflow(p, i);
+      p = (struct memp*)((u8_t*)p + MEMP_SIZE + memp_sizes[i] + MEMP_SANITY_REGION_AFTER_ALIGNED);
+    }
+  }
+}
+
+/**
+ * Initialize the restricted areas of all memp elements in every pool.
+ */
+static void
+memp_overflow_init(void)
+{
+  u16_t i, j;
+  struct memp *p;
+  u8_t *m;
+
+  p = (struct memp *)LWIP_MEM_ALIGN(memp_memory);
+  for (i = 0; i < MEMP_MAX; ++i) {
+    p = p;
+    for (j = 0; j < memp_num[i]; ++j) {
+#if MEMP_SANITY_REGION_BEFORE_ALIGNED > 0
+      m = (u8_t*)p + MEMP_SIZE - MEMP_SANITY_REGION_BEFORE_ALIGNED;
+      memset(m, 0xcd, MEMP_SANITY_REGION_BEFORE_ALIGNED);
+#endif
+#if MEMP_SANITY_REGION_AFTER_ALIGNED > 0
+      m = (u8_t*)p + MEMP_SIZE + memp_sizes[i];
+      memset(m, 0xcd, MEMP_SANITY_REGION_AFTER_ALIGNED);
+#endif
+      p = (struct memp*)((u8_t*)p + MEMP_SIZE + memp_sizes[i] + MEMP_SANITY_REGION_AFTER_ALIGNED);
+    }
+  }
+}
+#endif /* MEMP_OVERFLOW_CHECK */
+
+/**
+ * Initialize this module.
+ * 
+ * Carves out memp_memory into linked lists for each pool-type.
+ */
+void
+memp_init(void)
+{
+  struct memp *memp;
+  u16_t i, j;
+
+  for (i = 0; i < MEMP_MAX; ++i) {
+    MEMP_STATS_AVAIL(used, i, 0);
+    MEMP_STATS_AVAIL(max, i, 0);
+    MEMP_STATS_AVAIL(err, i, 0);
+    MEMP_STATS_AVAIL(avail, i, memp_num[i]);
+  }
+
+#if !MEMP_SEPARATE_POOLS
+  memp = (struct memp *)LWIP_MEM_ALIGN(memp_memory);
+#endif /* !MEMP_SEPARATE_POOLS */
+  /* for every pool: */
+  for (i = 0; i < MEMP_MAX; ++i) {
+    memp_tab[i] = NULL;
+#if MEMP_SEPARATE_POOLS
+    memp = (struct memp*)memp_bases[i];
+#endif /* MEMP_SEPARATE_POOLS */
+    /* create a linked list of memp elements */
+    for (j = 0; j < memp_num[i]; ++j) {
+      memp->next = memp_tab[i];
+      memp_tab[i] = memp;
+      memp = (struct memp *)(void *)((u8_t *)memp + MEMP_SIZE + memp_sizes[i]
+#if MEMP_OVERFLOW_CHECK
+        + MEMP_SANITY_REGION_AFTER_ALIGNED
+#endif
+      );
+    }
+  }
+#if MEMP_OVERFLOW_CHECK
+  memp_overflow_init();
+  /* check everything a first time to see if it worked */
+  memp_overflow_check_all();
+#endif /* MEMP_OVERFLOW_CHECK */
+}
+
+/**
+ * Get an element from a specific pool.
+ *
+ * @param type the pool to get an element from
+ *
+ * the debug version has two more parameters:
+ * @param file file name calling this function
+ * @param line number of line where this function is called
+ *
+ * @return a pointer to the allocated memory or a NULL pointer on error
+ */
+void *
+#if !MEMP_OVERFLOW_CHECK
+memp_malloc(memp_t type)
+#else
+memp_malloc_fn(memp_t type, const char* file, const int line)
+#endif
+{
+  struct memp *memp;
+  SYS_ARCH_DECL_PROTECT(old_level);
+ 
+  LWIP_ERROR("memp_malloc: type < MEMP_MAX", (type < MEMP_MAX), return NULL;);
+
+  SYS_ARCH_PROTECT(old_level);
+#if MEMP_OVERFLOW_CHECK >= 2
+  memp_overflow_check_all();
+#endif /* MEMP_OVERFLOW_CHECK >= 2 */
+
+  memp = memp_tab[type];
+  
+  if (memp != NULL) {
+    memp_tab[type] = memp->next;
+#if MEMP_OVERFLOW_CHECK
+    memp->next = NULL;
+    memp->file = file;
+    memp->line = line;
+#endif /* MEMP_OVERFLOW_CHECK */
+    MEMP_STATS_INC_USED(used, type);
+    LWIP_ASSERT("memp_malloc: memp properly aligned",
+                ((mem_ptr_t)memp % MEM_ALIGNMENT) == 0);
+    memp = (struct memp*)(void *)((u8_t*)memp + MEMP_SIZE);
+  } else {
+    LWIP_DEBUGF(MEMP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("memp_malloc: out of memory in pool %s\n", memp_desc[type]));
+    MEMP_STATS_INC(err, type);
+  }
+
+  SYS_ARCH_UNPROTECT(old_level);
+
+  return memp;
+}
+
+/**
+ * Put an element back into its pool.
+ *
+ * @param type the pool where to put mem
+ * @param mem the memp element to free
+ */
+void
+memp_free(memp_t type, void *mem)
+{
+  struct memp *memp;
+  SYS_ARCH_DECL_PROTECT(old_level);
+
+  if (mem == NULL) {
+    return;
+  }
+  LWIP_ASSERT("memp_free: mem properly aligned",
+                ((mem_ptr_t)mem % MEM_ALIGNMENT) == 0);
+
+  memp = (struct memp *)(void *)((u8_t*)mem - MEMP_SIZE);
+
+  SYS_ARCH_PROTECT(old_level);
+#if MEMP_OVERFLOW_CHECK
+#if MEMP_OVERFLOW_CHECK >= 2
+  memp_overflow_check_all();
+#else
+  memp_overflow_check_element_overflow(memp, type);
+  memp_overflow_check_element_underflow(memp, type);
+#endif /* MEMP_OVERFLOW_CHECK >= 2 */
+#endif /* MEMP_OVERFLOW_CHECK */
+
+  MEMP_STATS_DEC(used, type); 
+  
+  memp->next = memp_tab[type]; 
+  memp_tab[type] = memp;
+
+#if MEMP_SANITY_CHECK
+  LWIP_ASSERT("memp sanity", memp_sanity());
+#endif /* MEMP_SANITY_CHECK */
+
+  SYS_ARCH_UNPROTECT(old_level);
+}
+
+#endif /* MEMP_MEM_MALLOC */
diff --git a/libraries/net/lwip/lwip/core/netif.c b/libraries/net/lwip/lwip/core/netif.c
new file mode 100644
index 0000000000..f190b1f2e0
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/netif.c
@@ -0,0 +1,752 @@
+/**
+ * @file
+ * lwIP network interface abstraction
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#include "lwip/def.h"
+#include "lwip/ip_addr.h"
+#include "lwip/netif.h"
+#include "lwip/tcp_impl.h"
+#include "lwip/snmp.h"
+#include "lwip/igmp.h"
+#include "netif/etharp.h"
+#include "lwip/stats.h"
+#if ENABLE_LOOPBACK
+#include "lwip/sys.h"
+#if LWIP_NETIF_LOOPBACK_MULTITHREADING
+#include "lwip/tcpip.h"
+#endif /* LWIP_NETIF_LOOPBACK_MULTITHREADING */
+#endif /* ENABLE_LOOPBACK */
+
+#if LWIP_AUTOIP
+#include "lwip/autoip.h"
+#endif /* LWIP_AUTOIP */
+#if LWIP_DHCP
+#include "lwip/dhcp.h"
+#endif /* LWIP_DHCP */
+
+#if LWIP_NETIF_STATUS_CALLBACK
+#define NETIF_STATUS_CALLBACK(n) do{ if (n->status_callback) { (n->status_callback)(n); }}while(0)
+#else
+#define NETIF_STATUS_CALLBACK(n)
+#endif /* LWIP_NETIF_STATUS_CALLBACK */ 
+
+#if LWIP_NETIF_LINK_CALLBACK
+#define NETIF_LINK_CALLBACK(n) do{ if (n->link_callback) { (n->link_callback)(n); }}while(0)
+#else
+#define NETIF_LINK_CALLBACK(n)
+#endif /* LWIP_NETIF_LINK_CALLBACK */ 
+
+struct netif *netif_list;
+struct netif *netif_default;
+
+#if LWIP_HAVE_LOOPIF
+static struct netif loop_netif;
+
+/**
+ * Initialize a lwip network interface structure for a loopback interface
+ *
+ * @param netif the lwip network interface structure for this loopif
+ * @return ERR_OK if the loopif is initialized
+ *         ERR_MEM if private data couldn't be allocated
+ */
+static err_t
+netif_loopif_init(struct netif *netif)
+{
+  /* initialize the snmp variables and counters inside the struct netif
+   * ifSpeed: no assumption can be made!
+   */
+  NETIF_INIT_SNMP(netif, snmp_ifType_softwareLoopback, 0);
+
+  netif->name[0] = 'l';
+  netif->name[1] = 'o';
+  netif->output = netif_loop_output;
+  return ERR_OK;
+}
+#endif /* LWIP_HAVE_LOOPIF */
+
+void
+netif_init(void)
+{
+#if LWIP_HAVE_LOOPIF
+  ip_addr_t loop_ipaddr, loop_netmask, loop_gw;
+  IP4_ADDR(&loop_gw, 127,0,0,1);
+  IP4_ADDR(&loop_ipaddr, 127,0,0,1);
+  IP4_ADDR(&loop_netmask, 255,0,0,0);
+
+#if NO_SYS
+  netif_add(&loop_netif, &loop_ipaddr, &loop_netmask, &loop_gw, NULL, netif_loopif_init, ip_input);
+#else  /* NO_SYS */
+  netif_add(&loop_netif, &loop_ipaddr, &loop_netmask, &loop_gw, NULL, netif_loopif_init, tcpip_input);
+#endif /* NO_SYS */
+  netif_set_up(&loop_netif);
+
+#endif /* LWIP_HAVE_LOOPIF */
+}
+
+/**
+ * Add a network interface to the list of lwIP netifs.
+ *
+ * @param netif a pre-allocated netif structure
+ * @param ipaddr IP address for the new netif
+ * @param netmask network mask for the new netif
+ * @param gw default gateway IP address for the new netif
+ * @param state opaque data passed to the new netif
+ * @param init callback function that initializes the interface
+ * @param input callback function that is called to pass
+ * ingress packets up in the protocol layer stack.
+ *
+ * @return netif, or NULL if failed.
+ */
+struct netif *
+netif_add(struct netif *netif, ip_addr_t *ipaddr, ip_addr_t *netmask,
+  ip_addr_t *gw, void *state, netif_init_fn init, netif_input_fn input)
+{
+  static u8_t netifnum = 0;
+
+  LWIP_ASSERT("No init function given", init != NULL);
+
+  /* reset new interface configuration state */
+  ip_addr_set_zero(&netif->ip_addr);
+  ip_addr_set_zero(&netif->netmask);
+  ip_addr_set_zero(&netif->gw);
+  netif->flags = 0;
+#if LWIP_DHCP
+  /* netif not under DHCP control by default */
+  netif->dhcp = NULL;
+#endif /* LWIP_DHCP */
+#if LWIP_AUTOIP
+  /* netif not under AutoIP control by default */
+  netif->autoip = NULL;
+#endif /* LWIP_AUTOIP */
+#if LWIP_NETIF_STATUS_CALLBACK
+  netif->status_callback = NULL;
+#endif /* LWIP_NETIF_STATUS_CALLBACK */
+#if LWIP_NETIF_LINK_CALLBACK
+  netif->link_callback = NULL;
+#endif /* LWIP_NETIF_LINK_CALLBACK */
+#if LWIP_IGMP
+  netif->igmp_mac_filter = NULL;
+#endif /* LWIP_IGMP */
+#if ENABLE_LOOPBACK
+  netif->loop_first = NULL;
+  netif->loop_last = NULL;
+#endif /* ENABLE_LOOPBACK */
+
+  /* remember netif specific state information data */
+  netif->state = state;
+  netif->num = netifnum++;
+  netif->input = input;
+#if LWIP_NETIF_HWADDRHINT
+  netif->addr_hint = NULL;
+#endif /* LWIP_NETIF_HWADDRHINT*/
+#if ENABLE_LOOPBACK && LWIP_LOOPBACK_MAX_PBUFS
+  netif->loop_cnt_current = 0;
+#endif /* ENABLE_LOOPBACK && LWIP_LOOPBACK_MAX_PBUFS */
+
+  netif_set_addr(netif, ipaddr, netmask, gw);
+
+  /* call user specified initialization function for netif */
+  if (init(netif) != ERR_OK) {
+    return NULL;
+  }
+
+  /* add this netif to the list */
+  netif->next = netif_list;
+  netif_list = netif;
+  snmp_inc_iflist();
+
+#if LWIP_IGMP
+  /* start IGMP processing */
+  if (netif->flags & NETIF_FLAG_IGMP) {
+    igmp_start(netif);
+  }
+#endif /* LWIP_IGMP */
+
+  LWIP_DEBUGF(NETIF_DEBUG, ("netif: added interface %c%c IP addr ",
+    netif->name[0], netif->name[1]));
+  ip_addr_debug_print(NETIF_DEBUG, ipaddr);
+  LWIP_DEBUGF(NETIF_DEBUG, (" netmask "));
+  ip_addr_debug_print(NETIF_DEBUG, netmask);
+  LWIP_DEBUGF(NETIF_DEBUG, (" gw "));
+  ip_addr_debug_print(NETIF_DEBUG, gw);
+  LWIP_DEBUGF(NETIF_DEBUG, ("\n"));
+  return netif;
+}
+
+/**
+ * Change IP address configuration for a network interface (including netmask
+ * and default gateway).
+ *
+ * @param netif the network interface to change
+ * @param ipaddr the new IP address
+ * @param netmask the new netmask
+ * @param gw the new default gateway
+ */
+void
+netif_set_addr(struct netif *netif, ip_addr_t *ipaddr, ip_addr_t *netmask,
+    ip_addr_t *gw)
+{
+  netif_set_ipaddr(netif, ipaddr);
+  netif_set_netmask(netif, netmask);
+  netif_set_gw(netif, gw);
+}
+
+/**
+ * Remove a network interface from the list of lwIP netifs.
+ *
+ * @param netif the network interface to remove
+ */
+void
+netif_remove(struct netif *netif)
+{
+  if (netif == NULL) {
+    return;
+  }
+
+#if LWIP_IGMP
+  /* stop IGMP processing */
+  if (netif->flags & NETIF_FLAG_IGMP) {
+    igmp_stop(netif);
+  }
+#endif /* LWIP_IGMP */
+  if (netif_is_up(netif)) {
+    /* set netif down before removing (call callback function) */
+    netif_set_down(netif);
+  }
+
+  snmp_delete_ipaddridx_tree(netif);
+
+  /*  is it the first netif? */
+  if (netif_list == netif) {
+    netif_list = netif->next;
+  } else {
+    /*  look for netif further down the list */
+    struct netif * tmpNetif;
+    for (tmpNetif = netif_list; tmpNetif != NULL; tmpNetif = tmpNetif->next) {
+      if (tmpNetif->next == netif) {
+        tmpNetif->next = netif->next;
+        break;
+      }
+    }
+    if (tmpNetif == NULL)
+      return; /*  we didn't find any netif today */
+  }
+  snmp_dec_iflist();
+  /* this netif is default? */
+  if (netif_default == netif) {
+    /* reset default netif */
+    netif_set_default(NULL);
+  }
+  LWIP_DEBUGF( NETIF_DEBUG, ("netif_remove: removed netif\n") );
+}
+
+/**
+ * Find a network interface by searching for its name
+ *
+ * @param name the name of the netif (like netif->name) plus concatenated number
+ * in ascii representation (e.g. 'en0')
+ */
+struct netif *
+netif_find(char *name)
+{
+  struct netif *netif;
+  u8_t num;
+
+  if (name == NULL) {
+    return NULL;
+  }
+
+  num = name[2] - '0';
+
+  for(netif = netif_list; netif != NULL; netif = netif->next) {
+    if (num == netif->num &&
+       name[0] == netif->name[0] &&
+       name[1] == netif->name[1]) {
+      LWIP_DEBUGF(NETIF_DEBUG, ("netif_find: found %c%c\n", name[0], name[1]));
+      return netif;
+    }
+  }
+  LWIP_DEBUGF(NETIF_DEBUG, ("netif_find: didn't find %c%c\n", name[0], name[1]));
+  return NULL;
+}
+
+/**
+ * Change the IP address of a network interface
+ *
+ * @param netif the network interface to change
+ * @param ipaddr the new IP address
+ *
+ * @note call netif_set_addr() if you also want to change netmask and
+ * default gateway
+ */
+void
+netif_set_ipaddr(struct netif *netif, ip_addr_t *ipaddr)
+{
+  /* TODO: Handling of obsolete pcbs */
+  /* See:  http://mail.gnu.org/archive/html/lwip-users/2003-03/msg00118.html */
+#if LWIP_TCP
+  struct tcp_pcb *pcb;
+  struct tcp_pcb_listen *lpcb;
+
+  /* address is actually being changed? */
+  if ((ip_addr_cmp(ipaddr, &(netif->ip_addr))) == 0) {
+    /* extern struct tcp_pcb *tcp_active_pcbs; defined by tcp.h */
+    LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_STATE, ("netif_set_ipaddr: netif address being changed\n"));
+    pcb = tcp_active_pcbs;
+    while (pcb != NULL) {
+      /* PCB bound to current local interface address? */
+      if (ip_addr_cmp(&(pcb->local_ip), &(netif->ip_addr))
+#if LWIP_AUTOIP
+        /* connections to link-local addresses must persist (RFC3927 ch. 1.9) */
+        && !ip_addr_islinklocal(&(pcb->local_ip))
+#endif /* LWIP_AUTOIP */
+        ) {
+        /* this connection must be aborted */
+        struct tcp_pcb *next = pcb->next;
+        LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_STATE, ("netif_set_ipaddr: aborting TCP pcb %p\n", (void *)pcb));
+        tcp_abort(pcb);
+        pcb = next;
+      } else {
+        pcb = pcb->next;
+      }
+    }
+    for (lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) {
+      /* PCB bound to current local interface address? */
+      if ((!(ip_addr_isany(&(lpcb->local_ip)))) &&
+          (ip_addr_cmp(&(lpcb->local_ip), &(netif->ip_addr)))) {
+        /* The PCB is listening to the old ipaddr and
+         * is set to listen to the new one instead */
+        ip_addr_set(&(lpcb->local_ip), ipaddr);
+      }
+    }
+  }
+#endif
+  snmp_delete_ipaddridx_tree(netif);
+  snmp_delete_iprteidx_tree(0,netif);
+  /* set new IP address to netif */
+  ip_addr_set(&(netif->ip_addr), ipaddr);
+  snmp_insert_ipaddridx_tree(netif);
+  snmp_insert_iprteidx_tree(0,netif);
+
+  LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: IP address of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+    netif->name[0], netif->name[1],
+    ip4_addr1_16(&netif->ip_addr),
+    ip4_addr2_16(&netif->ip_addr),
+    ip4_addr3_16(&netif->ip_addr),
+    ip4_addr4_16(&netif->ip_addr)));
+}
+
+/**
+ * Change the default gateway for a network interface
+ *
+ * @param netif the network interface to change
+ * @param gw the new default gateway
+ *
+ * @note call netif_set_addr() if you also want to change ip address and netmask
+ */
+void
+netif_set_gw(struct netif *netif, ip_addr_t *gw)
+{
+  ip_addr_set(&(netif->gw), gw);
+  LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: GW address of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+    netif->name[0], netif->name[1],
+    ip4_addr1_16(&netif->gw),
+    ip4_addr2_16(&netif->gw),
+    ip4_addr3_16(&netif->gw),
+    ip4_addr4_16(&netif->gw)));
+}
+
+/**
+ * Change the netmask of a network interface
+ *
+ * @param netif the network interface to change
+ * @param netmask the new netmask
+ *
+ * @note call netif_set_addr() if you also want to change ip address and
+ * default gateway
+ */
+void
+netif_set_netmask(struct netif *netif, ip_addr_t *netmask)
+{
+  snmp_delete_iprteidx_tree(0, netif);
+  /* set new netmask to netif */
+  ip_addr_set(&(netif->netmask), netmask);
+  snmp_insert_iprteidx_tree(0, netif);
+  LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: netmask of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+    netif->name[0], netif->name[1],
+    ip4_addr1_16(&netif->netmask),
+    ip4_addr2_16(&netif->netmask),
+    ip4_addr3_16(&netif->netmask),
+    ip4_addr4_16(&netif->netmask)));
+}
+
+/**
+ * Set a network interface as the default network interface
+ * (used to output all packets for which no specific route is found)
+ *
+ * @param netif the default network interface
+ */
+void
+netif_set_default(struct netif *netif)
+{
+  if (netif == NULL) {
+    /* remove default route */
+    snmp_delete_iprteidx_tree(1, netif);
+  } else {
+    /* install default route */
+    snmp_insert_iprteidx_tree(1, netif);
+  }
+  netif_default = netif;
+  LWIP_DEBUGF(NETIF_DEBUG, ("netif: setting default interface %c%c\n",
+           netif ? netif->name[0] : '\'', netif ? netif->name[1] : '\''));
+}
+
+/**
+ * Bring an interface up, available for processing
+ * traffic.
+ * 
+ * @note: Enabling DHCP on a down interface will make it come
+ * up once configured.
+ * 
+ * @see dhcp_start()
+ */ 
+void netif_set_up(struct netif *netif)
+{
+  if (!(netif->flags & NETIF_FLAG_UP)) {
+    netif->flags |= NETIF_FLAG_UP;
+    
+#if LWIP_SNMP
+    snmp_get_sysuptime(&netif->ts);
+#endif /* LWIP_SNMP */
+
+    NETIF_STATUS_CALLBACK(netif);
+
+    if (netif->flags & NETIF_FLAG_LINK_UP) {
+#if LWIP_ARP
+      /* For Ethernet network interfaces, we would like to send a "gratuitous ARP" */ 
+      if (netif->flags & (NETIF_FLAG_ETHARP)) {
+        etharp_gratuitous(netif);
+      }
+#endif /* LWIP_ARP */
+
+#if LWIP_IGMP
+      /* resend IGMP memberships */
+      if (netif->flags & NETIF_FLAG_IGMP) {
+        igmp_report_groups( netif);
+      }
+#endif /* LWIP_IGMP */
+    }
+  }
+}
+
+/**
+ * Bring an interface down, disabling any traffic processing.
+ *
+ * @note: Enabling DHCP on a down interface will make it come
+ * up once configured.
+ * 
+ * @see dhcp_start()
+ */ 
+void netif_set_down(struct netif *netif)
+{
+  if (netif->flags & NETIF_FLAG_UP) {
+    netif->flags &= ~NETIF_FLAG_UP;
+#if LWIP_SNMP
+    snmp_get_sysuptime(&netif->ts);
+#endif
+
+    NETIF_STATUS_CALLBACK(netif);
+  }
+}
+
+#if LWIP_NETIF_STATUS_CALLBACK
+/**
+ * Set callback to be called when interface is brought up/down
+ */
+void netif_set_status_callback(struct netif *netif, netif_status_callback_fn status_callback)
+{
+  if (netif) {
+    netif->status_callback = status_callback;
+  }
+}
+#endif /* LWIP_NETIF_STATUS_CALLBACK */
+
+/**
+ * Called by a driver when its link goes up
+ */
+void netif_set_link_up(struct netif *netif )
+{
+  if (!(netif->flags & NETIF_FLAG_LINK_UP)) {
+    netif->flags |= NETIF_FLAG_LINK_UP;
+
+#if LWIP_DHCP
+    if (netif->dhcp) {
+      dhcp_network_changed(netif);
+    }
+#endif /* LWIP_DHCP */
+
+#if LWIP_AUTOIP
+    if (netif->autoip) {
+      autoip_network_changed(netif);
+    }
+#endif /* LWIP_AUTOIP */
+
+    if (netif->flags & NETIF_FLAG_UP) {
+#if LWIP_ARP
+      /* For Ethernet network interfaces, we would like to send a "gratuitous ARP" */ 
+      if (netif->flags & NETIF_FLAG_ETHARP) {
+        etharp_gratuitous(netif);
+      }
+#endif /* LWIP_ARP */
+
+#if LWIP_IGMP
+      /* resend IGMP memberships */
+      if (netif->flags & NETIF_FLAG_IGMP) {
+        igmp_report_groups( netif);
+      }
+#endif /* LWIP_IGMP */
+    }
+    NETIF_LINK_CALLBACK(netif);
+  }
+}
+
+/**
+ * Called by a driver when its link goes down
+ */
+void netif_set_link_down(struct netif *netif )
+{
+  if (netif->flags & NETIF_FLAG_LINK_UP) {
+    netif->flags &= ~NETIF_FLAG_LINK_UP;
+    NETIF_LINK_CALLBACK(netif);
+  }
+}
+
+#if LWIP_NETIF_LINK_CALLBACK
+/**
+ * Set callback to be called when link is brought up/down
+ */
+void netif_set_link_callback(struct netif *netif, netif_status_callback_fn link_callback)
+{
+  if (netif) {
+    netif->link_callback = link_callback;
+  }
+}
+#endif /* LWIP_NETIF_LINK_CALLBACK */
+
+#if ENABLE_LOOPBACK
+/**
+ * Send an IP packet to be received on the same netif (loopif-like).
+ * The pbuf is simply copied and handed back to netif->input.
+ * In multithreaded mode, this is done directly since netif->input must put
+ * the packet on a queue.
+ * In callback mode, the packet is put on an internal queue and is fed to
+ * netif->input by netif_poll().
+ *
+ * @param netif the lwip network interface structure
+ * @param p the (IP) packet to 'send'
+ * @param ipaddr the ip address to send the packet to (not used)
+ * @return ERR_OK if the packet has been sent
+ *         ERR_MEM if the pbuf used to copy the packet couldn't be allocated
+ */
+err_t
+netif_loop_output(struct netif *netif, struct pbuf *p,
+       ip_addr_t *ipaddr)
+{
+  struct pbuf *r;
+  err_t err;
+  struct pbuf *last;
+#if LWIP_LOOPBACK_MAX_PBUFS
+  u8_t clen = 0;
+#endif /* LWIP_LOOPBACK_MAX_PBUFS */
+  /* If we have a loopif, SNMP counters are adjusted for it,
+   * if not they are adjusted for 'netif'. */
+#if LWIP_SNMP
+#if LWIP_HAVE_LOOPIF
+  struct netif *stats_if = &loop_netif;
+#else /* LWIP_HAVE_LOOPIF */
+  struct netif *stats_if = netif;
+#endif /* LWIP_HAVE_LOOPIF */
+#endif /* LWIP_SNMP */
+  SYS_ARCH_DECL_PROTECT(lev);
+  LWIP_UNUSED_ARG(ipaddr);
+
+  /* Allocate a new pbuf */
+  r = pbuf_alloc(PBUF_LINK, p->tot_len, PBUF_RAM);
+  if (r == NULL) {
+    LINK_STATS_INC(link.memerr);
+    LINK_STATS_INC(link.drop);
+    snmp_inc_ifoutdiscards(stats_if);
+    return ERR_MEM;
+  }
+#if LWIP_LOOPBACK_MAX_PBUFS
+  clen = pbuf_clen(r);
+  /* check for overflow or too many pbuf on queue */
+  if(((netif->loop_cnt_current + clen) < netif->loop_cnt_current) ||
+     ((netif->loop_cnt_current + clen) > LWIP_LOOPBACK_MAX_PBUFS)) {
+    pbuf_free(r);
+    LINK_STATS_INC(link.memerr);
+    LINK_STATS_INC(link.drop);
+    snmp_inc_ifoutdiscards(stats_if);
+    return ERR_MEM;
+  }
+  netif->loop_cnt_current += clen;
+#endif /* LWIP_LOOPBACK_MAX_PBUFS */
+
+  /* Copy the whole pbuf queue p into the single pbuf r */
+  if ((err = pbuf_copy(r, p)) != ERR_OK) {
+    pbuf_free(r);
+    LINK_STATS_INC(link.memerr);
+    LINK_STATS_INC(link.drop);
+    snmp_inc_ifoutdiscards(stats_if);
+    return err;
+  }
+
+  /* Put the packet on a linked list which gets emptied through calling
+     netif_poll(). */
+
+  /* let last point to the last pbuf in chain r */
+  for (last = r; last->next != NULL; last = last->next);
+
+  SYS_ARCH_PROTECT(lev);
+  if(netif->loop_first != NULL) {
+    LWIP_ASSERT("if first != NULL, last must also be != NULL", netif->loop_last != NULL);
+    netif->loop_last->next = r;
+    netif->loop_last = last;
+  } else {
+    netif->loop_first = r;
+    netif->loop_last = last;
+  }
+  SYS_ARCH_UNPROTECT(lev);
+
+  LINK_STATS_INC(link.xmit);
+  snmp_add_ifoutoctets(stats_if, p->tot_len);
+  snmp_inc_ifoutucastpkts(stats_if);
+
+#if LWIP_NETIF_LOOPBACK_MULTITHREADING
+  /* For multithreading environment, schedule a call to netif_poll */
+  tcpip_callback((tcpip_callback_fn)netif_poll, netif);
+#endif /* LWIP_NETIF_LOOPBACK_MULTITHREADING */
+
+  return ERR_OK;
+}
+
+/**
+ * Call netif_poll() in the main loop of your application. This is to prevent
+ * reentering non-reentrant functions like tcp_input(). Packets passed to
+ * netif_loop_output() are put on a list that is passed to netif->input() by
+ * netif_poll().
+ */
+void
+netif_poll(struct netif *netif)
+{
+  struct pbuf *in;
+  /* If we have a loopif, SNMP counters are adjusted for it,
+   * if not they are adjusted for 'netif'. */
+#if LWIP_SNMP
+#if LWIP_HAVE_LOOPIF
+  struct netif *stats_if = &loop_netif;
+#else /* LWIP_HAVE_LOOPIF */
+  struct netif *stats_if = netif;
+#endif /* LWIP_HAVE_LOOPIF */
+#endif /* LWIP_SNMP */
+  SYS_ARCH_DECL_PROTECT(lev);
+
+  do {
+    /* Get a packet from the list. With SYS_LIGHTWEIGHT_PROT=1, this is protected */
+    SYS_ARCH_PROTECT(lev);
+    in = netif->loop_first;
+    if (in != NULL) {
+      struct pbuf *in_end = in;
+#if LWIP_LOOPBACK_MAX_PBUFS
+      u8_t clen = pbuf_clen(in);
+      /* adjust the number of pbufs on queue */
+      LWIP_ASSERT("netif->loop_cnt_current underflow",
+        ((netif->loop_cnt_current - clen) < netif->loop_cnt_current));
+      netif->loop_cnt_current -= clen;
+#endif /* LWIP_LOOPBACK_MAX_PBUFS */
+      while (in_end->len != in_end->tot_len) {
+        LWIP_ASSERT("bogus pbuf: len != tot_len but next == NULL!", in_end->next != NULL);
+        in_end = in_end->next;
+      }
+      /* 'in_end' now points to the last pbuf from 'in' */
+      if (in_end == netif->loop_last) {
+        /* this was the last pbuf in the list */
+        netif->loop_first = netif->loop_last = NULL;
+      } else {
+        /* pop the pbuf off the list */
+        netif->loop_first = in_end->next;
+        LWIP_ASSERT("should not be null since first != last!", netif->loop_first != NULL);
+      }
+      /* De-queue the pbuf from its successors on the 'loop_' list. */
+      in_end->next = NULL;
+    }
+    SYS_ARCH_UNPROTECT(lev);
+
+    if (in != NULL) {
+      LINK_STATS_INC(link.recv);
+      snmp_add_ifinoctets(stats_if, in->tot_len);
+      snmp_inc_ifinucastpkts(stats_if);
+      /* loopback packets are always IP packets! */
+      if (ip_input(in, netif) != ERR_OK) {
+        pbuf_free(in);
+      }
+      /* Don't reference the packet any more! */
+      in = NULL;
+    }
+  /* go on while there is a packet on the list */
+  } while (netif->loop_first != NULL);
+}
+
+#if !LWIP_NETIF_LOOPBACK_MULTITHREADING
+/**
+ * Calls netif_poll() for every netif on the netif_list.
+ */
+void
+netif_poll_all(void)
+{
+  struct netif *netif = netif_list;
+  /* loop through netifs */
+  while (netif != NULL) {
+    netif_poll(netif);
+    /* proceed to next network interface */
+    netif = netif->next;
+  }
+}
+#endif /* !LWIP_NETIF_LOOPBACK_MULTITHREADING */
+#endif /* ENABLE_LOOPBACK */
diff --git a/libraries/net/lwip/lwip/core/pbuf.c b/libraries/net/lwip/lwip/core/pbuf.c
new file mode 100644
index 0000000000..818eb62035
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/pbuf.c
@@ -0,0 +1,1156 @@
+/**
+ * @file
+ * Packet buffer management
+ *
+ * Packets are built from the pbuf data structure. It supports dynamic
+ * memory allocation for packet contents or can reference externally
+ * managed packet contents both in RAM and ROM. Quick allocation for
+ * incoming packets is provided through pools with fixed sized pbufs.
+ *
+ * A packet may span over multiple pbufs, chained as a singly linked
+ * list. This is called a "pbuf chain".
+ *
+ * Multiple packets may be queued, also using this singly linked list.
+ * This is called a "packet queue".
+ * 
+ * So, a packet queue consists of one or more pbuf chains, each of
+ * which consist of one or more pbufs. CURRENTLY, PACKET QUEUES ARE
+ * NOT SUPPORTED!!! Use helper structs to queue multiple packets.
+ * 
+ * The differences between a pbuf chain and a packet queue are very
+ * precise but subtle. 
+ *
+ * The last pbuf of a packet has a ->tot_len field that equals the
+ * ->len field. It can be found by traversing the list. If the last
+ * pbuf of a packet has a ->next field other than NULL, more packets
+ * are on the queue.
+ *
+ * Therefore, looping through a pbuf of a single packet, has an
+ * loop end condition (tot_len == p->len), NOT (next == NULL).
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#include "lwip/stats.h"
+#include "lwip/def.h"
+#include "lwip/mem.h"
+#include "lwip/memp.h"
+#include "lwip/pbuf.h"
+#include "lwip/sys.h"
+#include "arch/perf.h"
+#if TCP_QUEUE_OOSEQ
+#include "lwip/tcp_impl.h"
+#endif
+#if LWIP_CHECKSUM_ON_COPY
+#include "lwip/inet_chksum.h"
+#endif
+
+#include 
+
+#define SIZEOF_STRUCT_PBUF        LWIP_MEM_ALIGN_SIZE(sizeof(struct pbuf))
+/* Since the pool is created in memp, PBUF_POOL_BUFSIZE will be automatically
+   aligned there. Therefore, PBUF_POOL_BUFSIZE_ALIGNED can be used here. */
+#define PBUF_POOL_BUFSIZE_ALIGNED LWIP_MEM_ALIGN_SIZE(PBUF_POOL_BUFSIZE)
+
+#if !LWIP_TCP || !TCP_QUEUE_OOSEQ || NO_SYS
+#define PBUF_POOL_IS_EMPTY()
+#else /* !LWIP_TCP || !TCP_QUEUE_OOSEQ || NO_SYS */
+/** Define this to 0 to prevent freeing ooseq pbufs when the PBUF_POOL is empty */
+#ifndef PBUF_POOL_FREE_OOSEQ
+#define PBUF_POOL_FREE_OOSEQ 1
+#endif /* PBUF_POOL_FREE_OOSEQ */
+
+#if PBUF_POOL_FREE_OOSEQ
+#include "lwip/tcpip.h"
+#define PBUF_POOL_IS_EMPTY() pbuf_pool_is_empty()
+static u8_t pbuf_free_ooseq_queued;
+/**
+ * Attempt to reclaim some memory from queued out-of-sequence TCP segments
+ * if we run out of pool pbufs. It's better to give priority to new packets
+ * if we're running out.
+ *
+ * This must be done in the correct thread context therefore this function
+ * can only be used with NO_SYS=0 and through tcpip_callback.
+ */
+static void
+pbuf_free_ooseq(void* arg)
+{
+  struct tcp_pcb* pcb;
+  SYS_ARCH_DECL_PROTECT(old_level);
+  LWIP_UNUSED_ARG(arg);
+
+  SYS_ARCH_PROTECT(old_level);
+  pbuf_free_ooseq_queued = 0;
+  SYS_ARCH_UNPROTECT(old_level);
+
+  for (pcb = tcp_active_pcbs; NULL != pcb; pcb = pcb->next) {
+    if (NULL != pcb->ooseq) {
+      /** Free the ooseq pbufs of one PCB only */
+      LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free_ooseq: freeing out-of-sequence pbufs\n"));
+      tcp_segs_free(pcb->ooseq);
+      pcb->ooseq = NULL;
+      return;
+    }
+  }
+}
+
+/** Queue a call to pbuf_free_ooseq if not already queued. */
+static void
+pbuf_pool_is_empty(void)
+{
+  u8_t queued;
+  SYS_ARCH_DECL_PROTECT(old_level);
+
+  SYS_ARCH_PROTECT(old_level);
+  queued = pbuf_free_ooseq_queued;
+  pbuf_free_ooseq_queued = 1;
+  SYS_ARCH_UNPROTECT(old_level);
+
+  if(!queued) {
+    /* queue a call to pbuf_free_ooseq if not already queued */
+    if(tcpip_callback_with_block(pbuf_free_ooseq, NULL, 0) != ERR_OK) {
+      SYS_ARCH_PROTECT(old_level);
+      pbuf_free_ooseq_queued = 0;
+      SYS_ARCH_UNPROTECT(old_level);
+    }
+  }
+}
+#endif /* PBUF_POOL_FREE_OOSEQ */
+#endif /* !LWIP_TCP || !TCP_QUEUE_OOSEQ || NO_SYS */
+
+/**
+ * Allocates a pbuf of the given type (possibly a chain for PBUF_POOL type).
+ *
+ * The actual memory allocated for the pbuf is determined by the
+ * layer at which the pbuf is allocated and the requested size
+ * (from the size parameter).
+ *
+ * @param layer flag to define header size
+ * @param length size of the pbuf's payload
+ * @param type this parameter decides how and where the pbuf
+ * should be allocated as follows:
+ *
+ * - PBUF_RAM: buffer memory for pbuf is allocated as one large
+ *             chunk. This includes protocol headers as well.
+ * - PBUF_ROM: no buffer memory is allocated for the pbuf, even for
+ *             protocol headers. Additional headers must be prepended
+ *             by allocating another pbuf and chain in to the front of
+ *             the ROM pbuf. It is assumed that the memory used is really
+ *             similar to ROM in that it is immutable and will not be
+ *             changed. Memory which is dynamic should generally not
+ *             be attached to PBUF_ROM pbufs. Use PBUF_REF instead.
+ * - PBUF_REF: no buffer memory is allocated for the pbuf, even for
+ *             protocol headers. It is assumed that the pbuf is only
+ *             being used in a single thread. If the pbuf gets queued,
+ *             then pbuf_take should be called to copy the buffer.
+ * - PBUF_POOL: the pbuf is allocated as a pbuf chain, with pbufs from
+ *              the pbuf pool that is allocated during pbuf_init().
+ *
+ * @return the allocated pbuf. If multiple pbufs where allocated, this
+ * is the first pbuf of a pbuf chain.
+ */
+struct pbuf *
+pbuf_alloc(pbuf_layer layer, u16_t length, pbuf_type type)
+{
+  struct pbuf *p, *q, *r;
+  u16_t offset;
+  s32_t rem_len; /* remaining length */
+  LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloc(length=%"U16_F")\n", length));
+
+  /* determine header offset */
+  offset = 0;
+  switch (layer) {
+  case PBUF_TRANSPORT:
+    /* add room for transport (often TCP) layer header */
+    offset += PBUF_TRANSPORT_HLEN;
+    /* FALLTHROUGH */
+  case PBUF_IP:
+    /* add room for IP layer header */
+    offset += PBUF_IP_HLEN;
+    /* FALLTHROUGH */
+  case PBUF_LINK:
+    /* add room for link layer header */
+    offset += PBUF_LINK_HLEN;
+    break;
+  case PBUF_RAW:
+    break;
+  default:
+    LWIP_ASSERT("pbuf_alloc: bad pbuf layer", 0);
+    return NULL;
+  }
+
+  switch (type) {
+  case PBUF_POOL:
+    /* allocate head of pbuf chain into p */
+    p = (struct pbuf *)memp_malloc(MEMP_PBUF_POOL);
+    LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloc: allocated pbuf %p\n", (void *)p));
+    if (p == NULL) {
+      PBUF_POOL_IS_EMPTY();
+      return NULL;
+    }
+    p->type = type;
+    p->next = NULL;
+
+    /* make the payload pointer point 'offset' bytes into pbuf data memory */
+    p->payload = LWIP_MEM_ALIGN((void *)((u8_t *)p + (SIZEOF_STRUCT_PBUF + offset)));
+    LWIP_ASSERT("pbuf_alloc: pbuf p->payload properly aligned",
+            ((mem_ptr_t)p->payload % MEM_ALIGNMENT) == 0);
+    /* the total length of the pbuf chain is the requested size */
+    p->tot_len = length;
+    /* set the length of the first pbuf in the chain */
+    p->len = LWIP_MIN(length, PBUF_POOL_BUFSIZE_ALIGNED - LWIP_MEM_ALIGN_SIZE(offset));
+    LWIP_ASSERT("check p->payload + p->len does not overflow pbuf",
+                ((u8_t*)p->payload + p->len <=
+                 (u8_t*)p + SIZEOF_STRUCT_PBUF + PBUF_POOL_BUFSIZE_ALIGNED));
+    LWIP_ASSERT("PBUF_POOL_BUFSIZE must be bigger than MEM_ALIGNMENT",
+      (PBUF_POOL_BUFSIZE_ALIGNED - LWIP_MEM_ALIGN_SIZE(offset)) > 0 );
+    /* set reference count (needed here in case we fail) */
+    p->ref = 1;
+
+    /* now allocate the tail of the pbuf chain */
+
+    /* remember first pbuf for linkage in next iteration */
+    r = p;
+    /* remaining length to be allocated */
+    rem_len = length - p->len;
+    /* any remaining pbufs to be allocated? */
+    while (rem_len > 0) {
+      q = (struct pbuf *)memp_malloc(MEMP_PBUF_POOL);
+      if (q == NULL) {
+        PBUF_POOL_IS_EMPTY();
+        /* free chain so far allocated */
+        pbuf_free(p);
+        /* bail out unsuccesfully */
+        return NULL;
+      }
+      q->type = type;
+      q->flags = 0;
+      q->next = NULL;
+      /* make previous pbuf point to this pbuf */
+      r->next = q;
+      /* set total length of this pbuf and next in chain */
+      LWIP_ASSERT("rem_len < max_u16_t", rem_len < 0xffff);
+      q->tot_len = (u16_t)rem_len;
+      /* this pbuf length is pool size, unless smaller sized tail */
+      q->len = LWIP_MIN((u16_t)rem_len, PBUF_POOL_BUFSIZE_ALIGNED);
+      q->payload = (void *)((u8_t *)q + SIZEOF_STRUCT_PBUF);
+      LWIP_ASSERT("pbuf_alloc: pbuf q->payload properly aligned",
+              ((mem_ptr_t)q->payload % MEM_ALIGNMENT) == 0);
+      LWIP_ASSERT("check p->payload + p->len does not overflow pbuf",
+                  ((u8_t*)p->payload + p->len <=
+                   (u8_t*)p + SIZEOF_STRUCT_PBUF + PBUF_POOL_BUFSIZE_ALIGNED));
+      q->ref = 1;
+      /* calculate remaining length to be allocated */
+      rem_len -= q->len;
+      /* remember this pbuf for linkage in next iteration */
+      r = q;
+    }
+    /* end of chain */
+    /*r->next = NULL;*/
+
+    break;
+  case PBUF_RAM:
+    /* If pbuf is to be allocated in RAM, allocate memory for it. */
+    p = (struct pbuf*)mem_malloc(LWIP_MEM_ALIGN_SIZE(SIZEOF_STRUCT_PBUF + offset) + LWIP_MEM_ALIGN_SIZE(length));
+    if (p == NULL) {
+      return NULL;
+    }
+    /* Set up internal structure of the pbuf. */
+    p->payload = LWIP_MEM_ALIGN((void *)((u8_t *)p + SIZEOF_STRUCT_PBUF + offset));
+    p->len = p->tot_len = length;
+    p->next = NULL;
+    p->type = type;
+
+    LWIP_ASSERT("pbuf_alloc: pbuf->payload properly aligned",
+           ((mem_ptr_t)p->payload % MEM_ALIGNMENT) == 0);
+    break;
+  /* pbuf references existing (non-volatile static constant) ROM payload? */
+  case PBUF_ROM:
+  /* pbuf references existing (externally allocated) RAM payload? */
+  case PBUF_REF:
+    /* only allocate memory for the pbuf structure */
+    p = (struct pbuf *)memp_malloc(MEMP_PBUF);
+    if (p == NULL) {
+      LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
+                  ("pbuf_alloc: Could not allocate MEMP_PBUF for PBUF_%s.\n",
+                  (type == PBUF_ROM) ? "ROM" : "REF"));
+      return NULL;
+    }
+    /* caller must set this field properly, afterwards */
+    p->payload = NULL;
+    p->len = p->tot_len = length;
+    p->next = NULL;
+    p->type = type;
+    break;
+  default:
+    LWIP_ASSERT("pbuf_alloc: erroneous type", 0);
+    return NULL;
+  }
+  /* set reference count */
+  p->ref = 1;
+  /* set flags */
+  p->flags = 0;
+  LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloc(length=%"U16_F") == %p\n", length, (void *)p));
+  return p;
+}
+
+#if LWIP_SUPPORT_CUSTOM_PBUF
+/** Initialize a custom pbuf (already allocated).
+ *
+ * @param layer flag to define header size
+ * @param length size of the pbuf's payload
+ * @param type type of the pbuf (only used to treat the pbuf accordingly, as
+ *        this function allocates no memory)
+ * @param p pointer to the custom pbuf to initialize (already allocated)
+ * @param payload_mem pointer to the buffer that is used for payload and headers,
+ *        must be at least big enough to hold 'length' plus the header size,
+ *        may be NULL if set later
+ * @param payload_mem_len the size of the 'payload_mem' buffer, must be at least
+ *        big enough to hold 'length' plus the header size
+ */
+struct pbuf*
+pbuf_alloced_custom(pbuf_layer l, u16_t length, pbuf_type type, struct pbuf_custom *p,
+                    void *payload_mem, u16_t payload_mem_len)
+{
+  u16_t offset;
+  LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloced_custom(length=%"U16_F")\n", length));
+
+  /* determine header offset */
+  offset = 0;
+  switch (l) {
+  case PBUF_TRANSPORT:
+    /* add room for transport (often TCP) layer header */
+    offset += PBUF_TRANSPORT_HLEN;
+    /* FALLTHROUGH */
+  case PBUF_IP:
+    /* add room for IP layer header */
+    offset += PBUF_IP_HLEN;
+    /* FALLTHROUGH */
+  case PBUF_LINK:
+    /* add room for link layer header */
+    offset += PBUF_LINK_HLEN;
+    break;
+  case PBUF_RAW:
+    break;
+  default:
+    LWIP_ASSERT("pbuf_alloced_custom: bad pbuf layer", 0);
+    return NULL;
+  }
+
+  if (LWIP_MEM_ALIGN_SIZE(offset) + length < payload_mem_len) {
+    LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_LEVEL_WARNING, ("pbuf_alloced_custom(length=%"U16_F") buffer too short\n", length));
+    return NULL;
+  }
+
+  p->pbuf.next = NULL;
+  if (payload_mem != NULL) {
+    p->pbuf.payload = (void *)((u8_t *)payload_mem + offset);
+  } else {
+    p->pbuf.payload = NULL;
+  }
+  p->pbuf.flags = PBUF_FLAG_IS_CUSTOM;
+  p->pbuf.len = p->pbuf.tot_len = length;
+  p->pbuf.type = type;
+  p->pbuf.ref = 1;
+  return &p->pbuf;
+}
+#endif /* LWIP_SUPPORT_CUSTOM_PBUF */
+
+/**
+ * Shrink a pbuf chain to a desired length.
+ *
+ * @param p pbuf to shrink.
+ * @param new_len desired new length of pbuf chain
+ *
+ * Depending on the desired length, the first few pbufs in a chain might
+ * be skipped and left unchanged. The new last pbuf in the chain will be
+ * resized, and any remaining pbufs will be freed.
+ *
+ * @note If the pbuf is ROM/REF, only the ->tot_len and ->len fields are adjusted.
+ * @note May not be called on a packet queue.
+ *
+ * @note Despite its name, pbuf_realloc cannot grow the size of a pbuf (chain).
+ */
+void
+pbuf_realloc(struct pbuf *p, u16_t new_len)
+{
+  struct pbuf *q;
+  u16_t rem_len; /* remaining length */
+  s32_t grow;
+
+  LWIP_ASSERT("pbuf_realloc: p != NULL", p != NULL);
+  LWIP_ASSERT("pbuf_realloc: sane p->type", p->type == PBUF_POOL ||
+              p->type == PBUF_ROM ||
+              p->type == PBUF_RAM ||
+              p->type == PBUF_REF);
+
+  /* desired length larger than current length? */
+  if (new_len >= p->tot_len) {
+    /* enlarging not yet supported */
+    return;
+  }
+
+  /* the pbuf chain grows by (new_len - p->tot_len) bytes
+   * (which may be negative in case of shrinking) */
+  grow = new_len - p->tot_len;
+
+  /* first, step over any pbufs that should remain in the chain */
+  rem_len = new_len;
+  q = p;
+  /* should this pbuf be kept? */
+  while (rem_len > q->len) {
+    /* decrease remaining length by pbuf length */
+    rem_len -= q->len;
+    /* decrease total length indicator */
+    LWIP_ASSERT("grow < max_u16_t", grow < 0xffff);
+    q->tot_len += (u16_t)grow;
+    /* proceed to next pbuf in chain */
+    q = q->next;
+    LWIP_ASSERT("pbuf_realloc: q != NULL", q != NULL);
+  }
+  /* we have now reached the new last pbuf (in q) */
+  /* rem_len == desired length for pbuf q */
+
+  /* shrink allocated memory for PBUF_RAM */
+  /* (other types merely adjust their length fields */
+  if ((q->type == PBUF_RAM) && (rem_len != q->len)) {
+    /* reallocate and adjust the length of the pbuf that will be split */
+    q = (struct pbuf *)mem_trim(q, (u16_t)((u8_t *)q->payload - (u8_t *)q) + rem_len);
+    LWIP_ASSERT("mem_trim returned q == NULL", q != NULL);
+  }
+  /* adjust length fields for new last pbuf */
+  q->len = rem_len;
+  q->tot_len = q->len;
+
+  /* any remaining pbufs in chain? */
+  if (q->next != NULL) {
+    /* free remaining pbufs in chain */
+    pbuf_free(q->next);
+  }
+  /* q is last packet in chain */
+  q->next = NULL;
+
+}
+
+/**
+ * Adjusts the payload pointer to hide or reveal headers in the payload.
+ *
+ * Adjusts the ->payload pointer so that space for a header
+ * (dis)appears in the pbuf payload.
+ *
+ * The ->payload, ->tot_len and ->len fields are adjusted.
+ *
+ * @param p pbuf to change the header size.
+ * @param header_size_increment Number of bytes to increment header size which
+ * increases the size of the pbuf. New space is on the front.
+ * (Using a negative value decreases the header size.)
+ * If hdr_size_inc is 0, this function does nothing and returns succesful.
+ *
+ * PBUF_ROM and PBUF_REF type buffers cannot have their sizes increased, so
+ * the call will fail. A check is made that the increase in header size does
+ * not move the payload pointer in front of the start of the buffer.
+ * @return non-zero on failure, zero on success.
+ *
+ */
+u8_t
+pbuf_header(struct pbuf *p, s16_t header_size_increment)
+{
+  u16_t type;
+  void *payload;
+  u16_t increment_magnitude;
+
+  LWIP_ASSERT("p != NULL", p != NULL);
+  if ((header_size_increment == 0) || (p == NULL)) {
+    return 0;
+  }
+ 
+  if (header_size_increment < 0){
+    increment_magnitude = -header_size_increment;
+    /* Check that we aren't going to move off the end of the pbuf */
+    LWIP_ERROR("increment_magnitude <= p->len", (increment_magnitude <= p->len), return 1;);
+  } else {
+    increment_magnitude = header_size_increment;
+#if 0
+    /* Can't assert these as some callers speculatively call
+         pbuf_header() to see if it's OK.  Will return 1 below instead. */
+    /* Check that we've got the correct type of pbuf to work with */
+    LWIP_ASSERT("p->type == PBUF_RAM || p->type == PBUF_POOL", 
+                p->type == PBUF_RAM || p->type == PBUF_POOL);
+    /* Check that we aren't going to move off the beginning of the pbuf */
+    LWIP_ASSERT("p->payload - increment_magnitude >= p + SIZEOF_STRUCT_PBUF",
+                (u8_t *)p->payload - increment_magnitude >= (u8_t *)p + SIZEOF_STRUCT_PBUF);
+#endif
+  }
+
+  type = p->type;
+  /* remember current payload pointer */
+  payload = p->payload;
+
+  /* pbuf types containing payloads? */
+  if (type == PBUF_RAM || type == PBUF_POOL) {
+    /* set new payload pointer */
+    p->payload = (u8_t *)p->payload - header_size_increment;
+    /* boundary check fails? */
+    if ((u8_t *)p->payload < (u8_t *)p + SIZEOF_STRUCT_PBUF) {
+      LWIP_DEBUGF( PBUF_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
+        ("pbuf_header: failed as %p < %p (not enough space for new header size)\n",
+        (void *)p->payload, (void *)(p + 1)));
+      /* restore old payload pointer */
+      p->payload = payload;
+      /* bail out unsuccesfully */
+      return 1;
+    }
+  /* pbuf types refering to external payloads? */
+  } else if (type == PBUF_REF || type == PBUF_ROM) {
+    /* hide a header in the payload? */
+    if ((header_size_increment < 0) && (increment_magnitude <= p->len)) {
+      /* increase payload pointer */
+      p->payload = (u8_t *)p->payload - header_size_increment;
+    } else {
+      /* cannot expand payload to front (yet!)
+       * bail out unsuccesfully */
+      return 1;
+    }
+  } else {
+    /* Unknown type */
+    LWIP_ASSERT("bad pbuf type", 0);
+    return 1;
+  }
+  /* modify pbuf length fields */
+  p->len += header_size_increment;
+  p->tot_len += header_size_increment;
+
+  LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_header: old %p new %p (%"S16_F")\n",
+    (void *)payload, (void *)p->payload, header_size_increment));
+
+  return 0;
+}
+
+/**
+ * Dereference a pbuf chain or queue and deallocate any no-longer-used
+ * pbufs at the head of this chain or queue.
+ *
+ * Decrements the pbuf reference count. If it reaches zero, the pbuf is
+ * deallocated.
+ *
+ * For a pbuf chain, this is repeated for each pbuf in the chain,
+ * up to the first pbuf which has a non-zero reference count after
+ * decrementing. So, when all reference counts are one, the whole
+ * chain is free'd.
+ *
+ * @param p The pbuf (chain) to be dereferenced.
+ *
+ * @return the number of pbufs that were de-allocated
+ * from the head of the chain.
+ *
+ * @note MUST NOT be called on a packet queue (Not verified to work yet).
+ * @note the reference counter of a pbuf equals the number of pointers
+ * that refer to the pbuf (or into the pbuf).
+ *
+ * @internal examples:
+ *
+ * Assuming existing chains a->b->c with the following reference
+ * counts, calling pbuf_free(a) results in:
+ * 
+ * 1->2->3 becomes ...1->3
+ * 3->3->3 becomes 2->3->3
+ * 1->1->2 becomes ......1
+ * 2->1->1 becomes 1->1->1
+ * 1->1->1 becomes .......
+ *
+ */
+u8_t
+pbuf_free(struct pbuf *p)
+{
+  u16_t type;
+  struct pbuf *q;
+  u8_t count;
+
+  if (p == NULL) {
+    LWIP_ASSERT("p != NULL", p != NULL);
+    /* if assertions are disabled, proceed with debug output */
+    LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
+      ("pbuf_free(p == NULL) was called.\n"));
+    return 0;
+  }
+  LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free(%p)\n", (void *)p));
+
+  PERF_START;
+
+  LWIP_ASSERT("pbuf_free: sane type",
+    p->type == PBUF_RAM || p->type == PBUF_ROM ||
+    p->type == PBUF_REF || p->type == PBUF_POOL);
+
+  count = 0;
+  /* de-allocate all consecutive pbufs from the head of the chain that
+   * obtain a zero reference count after decrementing*/
+  while (p != NULL) {
+    u16_t ref;
+    SYS_ARCH_DECL_PROTECT(old_level);
+    /* Since decrementing ref cannot be guaranteed to be a single machine operation
+     * we must protect it. We put the new ref into a local variable to prevent
+     * further protection. */
+    SYS_ARCH_PROTECT(old_level);
+    /* all pbufs in a chain are referenced at least once */
+    LWIP_ASSERT("pbuf_free: p->ref > 0", p->ref > 0);
+    /* decrease reference count (number of pointers to pbuf) */
+    ref = --(p->ref);
+    SYS_ARCH_UNPROTECT(old_level);
+    /* this pbuf is no longer referenced to? */
+    if (ref == 0) {
+      /* remember next pbuf in chain for next iteration */
+      q = p->next;
+      LWIP_DEBUGF( PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free: deallocating %p\n", (void *)p));
+      type = p->type;
+#if LWIP_SUPPORT_CUSTOM_PBUF
+      /* is this a custom pbuf? */
+      if ((p->flags & PBUF_FLAG_IS_CUSTOM) != 0) {
+        struct pbuf_custom *pc = (struct pbuf_custom*)p;
+        LWIP_ASSERT("pc->custom_free_function != NULL", pc->custom_free_function != NULL);
+        pc->custom_free_function(p);
+      } else
+#endif /* LWIP_SUPPORT_CUSTOM_PBUF */
+      {
+        /* is this a pbuf from the pool? */
+        if (type == PBUF_POOL) {
+          memp_free(MEMP_PBUF_POOL, p);
+        /* is this a ROM or RAM referencing pbuf? */
+        } else if (type == PBUF_ROM || type == PBUF_REF) {
+          memp_free(MEMP_PBUF, p);
+        /* type == PBUF_RAM */
+        } else {
+          mem_free(p);
+        }
+      }
+      count++;
+      /* proceed to next pbuf */
+      p = q;
+    /* p->ref > 0, this pbuf is still referenced to */
+    /* (and so the remaining pbufs in chain as well) */
+    } else {
+      LWIP_DEBUGF( PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free: %p has ref %"U16_F", ending here.\n", (void *)p, ref));
+      /* stop walking through the chain */
+      p = NULL;
+    }
+  }
+  PERF_STOP("pbuf_free");
+  /* return number of de-allocated pbufs */
+  return count;
+}
+
+/**
+ * Count number of pbufs in a chain
+ *
+ * @param p first pbuf of chain
+ * @return the number of pbufs in a chain
+ */
+
+u8_t
+pbuf_clen(struct pbuf *p)
+{
+  u8_t len;
+
+  len = 0;
+  while (p != NULL) {
+    ++len;
+    p = p->next;
+  }
+  return len;
+}
+
+/**
+ * Increment the reference count of the pbuf.
+ *
+ * @param p pbuf to increase reference counter of
+ *
+ */
+void
+pbuf_ref(struct pbuf *p)
+{
+  SYS_ARCH_DECL_PROTECT(old_level);
+  /* pbuf given? */
+  if (p != NULL) {
+    SYS_ARCH_PROTECT(old_level);
+    ++(p->ref);
+    SYS_ARCH_UNPROTECT(old_level);
+  }
+}
+
+/**
+ * Concatenate two pbufs (each may be a pbuf chain) and take over
+ * the caller's reference of the tail pbuf.
+ * 
+ * @note The caller MAY NOT reference the tail pbuf afterwards.
+ * Use pbuf_chain() for that purpose.
+ * 
+ * @see pbuf_chain()
+ */
+
+void
+pbuf_cat(struct pbuf *h, struct pbuf *t)
+{
+  struct pbuf *p;
+
+  LWIP_ERROR("(h != NULL) && (t != NULL) (programmer violates API)",
+             ((h != NULL) && (t != NULL)), return;);
+
+  /* proceed to last pbuf of chain */
+  for (p = h; p->next != NULL; p = p->next) {
+    /* add total length of second chain to all totals of first chain */
+    p->tot_len += t->tot_len;
+  }
+  /* { p is last pbuf of first h chain, p->next == NULL } */
+  LWIP_ASSERT("p->tot_len == p->len (of last pbuf in chain)", p->tot_len == p->len);
+  LWIP_ASSERT("p->next == NULL", p->next == NULL);
+  /* add total length of second chain to last pbuf total of first chain */
+  p->tot_len += t->tot_len;
+  /* chain last pbuf of head (p) with first of tail (t) */
+  p->next = t;
+  /* p->next now references t, but the caller will drop its reference to t,
+   * so netto there is no change to the reference count of t.
+   */
+}
+
+/**
+ * Chain two pbufs (or pbuf chains) together.
+ * 
+ * The caller MUST call pbuf_free(t) once it has stopped
+ * using it. Use pbuf_cat() instead if you no longer use t.
+ * 
+ * @param h head pbuf (chain)
+ * @param t tail pbuf (chain)
+ * @note The pbufs MUST belong to the same packet.
+ * @note MAY NOT be called on a packet queue.
+ *
+ * The ->tot_len fields of all pbufs of the head chain are adjusted.
+ * The ->next field of the last pbuf of the head chain is adjusted.
+ * The ->ref field of the first pbuf of the tail chain is adjusted.
+ *
+ */
+void
+pbuf_chain(struct pbuf *h, struct pbuf *t)
+{
+  pbuf_cat(h, t);
+  /* t is now referenced by h */
+  pbuf_ref(t);
+  LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_chain: %p references %p\n", (void *)h, (void *)t));
+}
+
+/**
+ * Dechains the first pbuf from its succeeding pbufs in the chain.
+ *
+ * Makes p->tot_len field equal to p->len.
+ * @param p pbuf to dechain
+ * @return remainder of the pbuf chain, or NULL if it was de-allocated.
+ * @note May not be called on a packet queue.
+ */
+struct pbuf *
+pbuf_dechain(struct pbuf *p)
+{
+  struct pbuf *q;
+  u8_t tail_gone = 1;
+  /* tail */
+  q = p->next;
+  /* pbuf has successor in chain? */
+  if (q != NULL) {
+    /* assert tot_len invariant: (p->tot_len == p->len + (p->next? p->next->tot_len: 0) */
+    LWIP_ASSERT("p->tot_len == p->len + q->tot_len", q->tot_len == p->tot_len - p->len);
+    /* enforce invariant if assertion is disabled */
+    q->tot_len = p->tot_len - p->len;
+    /* decouple pbuf from remainder */
+    p->next = NULL;
+    /* total length of pbuf p is its own length only */
+    p->tot_len = p->len;
+    /* q is no longer referenced by p, free it */
+    LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_dechain: unreferencing %p\n", (void *)q));
+    tail_gone = pbuf_free(q);
+    if (tail_gone > 0) {
+      LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE,
+                  ("pbuf_dechain: deallocated %p (as it is no longer referenced)\n", (void *)q));
+    }
+    /* return remaining tail or NULL if deallocated */
+  }
+  /* assert tot_len invariant: (p->tot_len == p->len + (p->next? p->next->tot_len: 0) */
+  LWIP_ASSERT("p->tot_len == p->len", p->tot_len == p->len);
+  return ((tail_gone > 0) ? NULL : q);
+}
+
+/**
+ *
+ * Create PBUF_RAM copies of pbufs.
+ *
+ * Used to queue packets on behalf of the lwIP stack, such as
+ * ARP based queueing.
+ *
+ * @note You MUST explicitly use p = pbuf_take(p);
+ *
+ * @note Only one packet is copied, no packet queue!
+ *
+ * @param p_to pbuf destination of the copy
+ * @param p_from pbuf source of the copy
+ *
+ * @return ERR_OK if pbuf was copied
+ *         ERR_ARG if one of the pbufs is NULL or p_to is not big
+ *                 enough to hold p_from
+ */
+err_t
+pbuf_copy(struct pbuf *p_to, struct pbuf *p_from)
+{
+  u16_t offset_to=0, offset_from=0, len;
+
+  LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_copy(%p, %p)\n",
+    (void*)p_to, (void*)p_from));
+
+  /* is the target big enough to hold the source? */
+  LWIP_ERROR("pbuf_copy: target not big enough to hold source", ((p_to != NULL) &&
+             (p_from != NULL) && (p_to->tot_len >= p_from->tot_len)), return ERR_ARG;);
+
+  /* iterate through pbuf chain */
+  do
+  {
+    LWIP_ASSERT("p_to != NULL", p_to != NULL);
+    /* copy one part of the original chain */
+    if ((p_to->len - offset_to) >= (p_from->len - offset_from)) {
+      /* complete current p_from fits into current p_to */
+      len = p_from->len - offset_from;
+    } else {
+      /* current p_from does not fit into current p_to */
+      len = p_to->len - offset_to;
+    }
+    MEMCPY((u8_t*)p_to->payload + offset_to, (u8_t*)p_from->payload + offset_from, len);
+    offset_to += len;
+    offset_from += len;
+    LWIP_ASSERT("offset_to <= p_to->len", offset_to <= p_to->len);
+    if (offset_to == p_to->len) {
+      /* on to next p_to (if any) */
+      offset_to = 0;
+      p_to = p_to->next;
+    }
+    LWIP_ASSERT("offset_from <= p_from->len", offset_from <= p_from->len);
+    if (offset_from >= p_from->len) {
+      /* on to next p_from (if any) */
+      offset_from = 0;
+      p_from = p_from->next;
+    }
+
+    if((p_from != NULL) && (p_from->len == p_from->tot_len)) {
+      /* don't copy more than one packet! */
+      LWIP_ERROR("pbuf_copy() does not allow packet queues!\n",
+                 (p_from->next == NULL), return ERR_VAL;);
+    }
+    if((p_to != NULL) && (p_to->len == p_to->tot_len)) {
+      /* don't copy more than one packet! */
+      LWIP_ERROR("pbuf_copy() does not allow packet queues!\n",
+                  (p_to->next == NULL), return ERR_VAL;);
+    }
+  } while (p_from);
+  LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_copy: end of chain reached.\n"));
+  return ERR_OK;
+}
+
+/**
+ * Copy (part of) the contents of a packet buffer
+ * to an application supplied buffer.
+ *
+ * @param buf the pbuf from which to copy data
+ * @param dataptr the application supplied buffer
+ * @param len length of data to copy (dataptr must be big enough). No more 
+ * than buf->tot_len will be copied, irrespective of len
+ * @param offset offset into the packet buffer from where to begin copying len bytes
+ * @return the number of bytes copied, or 0 on failure
+ */
+u16_t
+pbuf_copy_partial(struct pbuf *buf, void *dataptr, u16_t len, u16_t offset)
+{
+  struct pbuf *p;
+  u16_t left;
+  u16_t buf_copy_len;
+  u16_t copied_total = 0;
+
+  LWIP_ERROR("pbuf_copy_partial: invalid buf", (buf != NULL), return 0;);
+  LWIP_ERROR("pbuf_copy_partial: invalid dataptr", (dataptr != NULL), return 0;);
+
+  left = 0;
+
+  if((buf == NULL) || (dataptr == NULL)) {
+    return 0;
+  }
+
+  /* Note some systems use byte copy if dataptr or one of the pbuf payload pointers are unaligned. */
+  for(p = buf; len != 0 && p != NULL; p = p->next) {
+    if ((offset != 0) && (offset >= p->len)) {
+      /* don't copy from this buffer -> on to the next */
+      offset -= p->len;
+    } else {
+      /* copy from this buffer. maybe only partially. */
+      buf_copy_len = p->len - offset;
+      if (buf_copy_len > len)
+          buf_copy_len = len;
+      /* copy the necessary parts of the buffer */
+      MEMCPY(&((char*)dataptr)[left], &((char*)p->payload)[offset], buf_copy_len);
+      copied_total += buf_copy_len;
+      left += buf_copy_len;
+      len -= buf_copy_len;
+      offset = 0;
+    }
+  }
+  return copied_total;
+}
+
+/**
+ * Copy application supplied data into a pbuf.
+ * This function can only be used to copy the equivalent of buf->tot_len data.
+ *
+ * @param buf pbuf to fill with data
+ * @param dataptr application supplied data buffer
+ * @param len length of the application supplied data buffer
+ *
+ * @return ERR_OK if successful, ERR_MEM if the pbuf is not big enough
+ */
+err_t
+pbuf_take(struct pbuf *buf, const void *dataptr, u16_t len)
+{
+  struct pbuf *p;
+  u16_t buf_copy_len;
+  u16_t total_copy_len = len;
+  u16_t copied_total = 0;
+
+  LWIP_ERROR("pbuf_take: invalid buf", (buf != NULL), return 0;);
+  LWIP_ERROR("pbuf_take: invalid dataptr", (dataptr != NULL), return 0;);
+
+  if ((buf == NULL) || (dataptr == NULL) || (buf->tot_len < len)) {
+    return ERR_ARG;
+  }
+
+  /* Note some systems use byte copy if dataptr or one of the pbuf payload pointers are unaligned. */
+  for(p = buf; total_copy_len != 0; p = p->next) {
+    LWIP_ASSERT("pbuf_take: invalid pbuf", p != NULL);
+    buf_copy_len = total_copy_len;
+    if (buf_copy_len > p->len) {
+      /* this pbuf cannot hold all remaining data */
+      buf_copy_len = p->len;
+    }
+    /* copy the necessary parts of the buffer */
+    MEMCPY(p->payload, &((char*)dataptr)[copied_total], buf_copy_len);
+    total_copy_len -= buf_copy_len;
+    copied_total += buf_copy_len;
+  }
+  LWIP_ASSERT("did not copy all data", total_copy_len == 0 && copied_total == len);
+  return ERR_OK;
+}
+
+/**
+ * Creates a single pbuf out of a queue of pbufs.
+ *
+ * @remark: Either the source pbuf 'p' is freed by this function or the original
+ *          pbuf 'p' is returned, therefore the caller has to check the result!
+ *
+ * @param p the source pbuf
+ * @param layer pbuf_layer of the new pbuf
+ *
+ * @return a new, single pbuf (p->next is NULL)
+ *         or the old pbuf if allocation fails
+ */
+struct pbuf*
+pbuf_coalesce(struct pbuf *p, pbuf_layer layer)
+{
+  struct pbuf *q;
+  err_t err;
+  if (p->next == NULL) {
+    return p;
+  }
+  q = pbuf_alloc(layer, p->tot_len, PBUF_RAM);
+  if (q == NULL) {
+    /* @todo: what do we do now? */
+    return p;
+  }
+  err = pbuf_copy(q, p);
+  LWIP_ASSERT("pbuf_copy failed", err == ERR_OK);
+  pbuf_free(p);
+  return q;
+}
+
+#if LWIP_CHECKSUM_ON_COPY
+/**
+ * Copies data into a single pbuf (*not* into a pbuf queue!) and updates
+ * the checksum while copying
+ *
+ * @param p the pbuf to copy data into
+ * @param start_offset offset of p->payload where to copy the data to
+ * @param dataptr data to copy into the pbuf
+ * @param len length of data to copy into the pbuf
+ * @param chksum pointer to the checksum which is updated
+ * @return ERR_OK if successful, another error if the data does not fit
+ *         within the (first) pbuf (no pbuf queues!)
+ */
+err_t
+pbuf_fill_chksum(struct pbuf *p, u16_t start_offset, const void *dataptr,
+                 u16_t len, u16_t *chksum)
+{
+  u32_t acc;
+  u16_t copy_chksum;
+  char *dst_ptr;
+  LWIP_ASSERT("p != NULL", p != NULL);
+  LWIP_ASSERT("dataptr != NULL", dataptr != NULL);
+  LWIP_ASSERT("chksum != NULL", chksum != NULL);
+  LWIP_ASSERT("len != 0", len != 0);
+
+  if ((start_offset >= p->len) || (start_offset + len > p->len)) {
+    return ERR_ARG;
+  }
+
+  dst_ptr = ((char*)p->payload) + start_offset;
+  copy_chksum = LWIP_CHKSUM_COPY(dst_ptr, dataptr, len);
+  if ((start_offset & 1) != 0) {
+    copy_chksum = SWAP_BYTES_IN_WORD(copy_chksum);
+  }
+  acc = *chksum;
+  acc += copy_chksum;
+  *chksum = FOLD_U32T(acc);
+  return ERR_OK;
+}
+#endif /* LWIP_CHECKSUM_ON_COPY */
+
+ /** Get one byte from the specified position in a pbuf
+ * WARNING: returns zero for offset >= p->tot_len
+ *
+ * @param p pbuf to parse
+ * @param offset offset into p of the byte to return
+ * @return byte at an offset into p OR ZERO IF 'offset' >= p->tot_len
+ */
+u8_t
+pbuf_get_at(struct pbuf* p, u16_t offset)
+{
+  u16_t copy_from = offset;
+  struct pbuf* q = p;
+
+  /* get the correct pbuf */
+  while ((q != NULL) && (q->len <= copy_from)) {
+    copy_from -= q->len;
+    q = q->next;
+  }
+  /* return requested data if pbuf is OK */
+  if ((q != NULL) && (q->len > copy_from)) {
+    return ((u8_t*)q->payload)[copy_from];
+  }
+  return 0;
+}
+
+/** Compare pbuf contents at specified offset with memory s2, both of length n
+ *
+ * @param p pbuf to compare
+ * @param offset offset into p at wich to start comparing
+ * @param s2 buffer to compare
+ * @param n length of buffer to compare
+ * @return zero if equal, nonzero otherwise
+ *         (0xffff if p is too short, diffoffset+1 otherwise)
+ */
+u16_t
+pbuf_memcmp(struct pbuf* p, u16_t offset, const void* s2, u16_t n)
+{
+  u16_t start = offset;
+  struct pbuf* q = p;
+
+  /* get the correct pbuf */
+  while ((q != NULL) && (q->len <= start)) {
+    start -= q->len;
+    q = q->next;
+  }
+  /* return requested data if pbuf is OK */
+  if ((q != NULL) && (q->len > start)) {
+    u16_t i;
+    for(i = 0; i < n; i++) {
+      u8_t a = pbuf_get_at(q, start + i);
+      u8_t b = ((u8_t*)s2)[i];
+      if (a != b) {
+        return i+1;
+      }
+    }
+    return 0;
+  }
+  return 0xffff;
+}
+
+/** Find occurrence of mem (with length mem_len) in pbuf p, starting at offset
+ * start_offset.
+ *
+ * @param p pbuf to search, maximum length is 0xFFFE since 0xFFFF is used as
+ *        return value 'not found'
+ * @param mem search for the contents of this buffer
+ * @param mem_len length of 'mem'
+ * @param start_offset offset into p at which to start searching
+ * @return 0xFFFF if substr was not found in p or the index where it was found
+ */
+u16_t
+pbuf_memfind(struct pbuf* p, const void* mem, u16_t mem_len, u16_t start_offset)
+{
+  u16_t i;
+  u16_t max = p->tot_len - mem_len;
+  if (p->tot_len >= mem_len + start_offset) {
+    for(i = start_offset; i <= max; ) {
+      u16_t plus = pbuf_memcmp(p, i, mem, mem_len);
+      if (plus == 0) {
+        return i;
+      } else {
+        i += plus;
+      }
+    }
+  }
+  return 0xFFFF;
+}
+
+/** Find occurrence of substr with length substr_len in pbuf p, start at offset
+ * start_offset
+ * WARNING: in contrast to strstr(), this one does not stop at the first \0 in
+ * the pbuf/source string!
+ *
+ * @param p pbuf to search, maximum length is 0xFFFE since 0xFFFF is used as
+ *        return value 'not found'
+ * @param substr string to search for in p, maximum length is 0xFFFE
+ * @return 0xFFFF if substr was not found in p or the index where it was found
+ */
+u16_t
+pbuf_strstr(struct pbuf* p, const char* substr)
+{
+  size_t substr_len;
+  if ((substr == NULL) || (substr[0] == 0) || (p->tot_len == 0xFFFF)) {
+    return 0xFFFF;
+  }
+  substr_len = strlen(substr);
+  if (substr_len >= 0xFFFF) {
+    return 0xFFFF;
+  }
+  return pbuf_memfind(p, substr, (u16_t)substr_len, 0);
+}
diff --git a/libraries/net/lwip/lwip/core/raw.c b/libraries/net/lwip/lwip/core/raw.c
new file mode 100644
index 0000000000..9fcb100316
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/raw.c
@@ -0,0 +1,354 @@
+/**
+ * @file
+ * Implementation of raw protocol PCBs for low-level handling of
+ * different types of protocols besides (or overriding) those
+ * already available in lwIP.
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_RAW /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/def.h"
+#include "lwip/memp.h"
+#include "lwip/ip_addr.h"
+#include "lwip/netif.h"
+#include "lwip/raw.h"
+#include "lwip/stats.h"
+#include "arch/perf.h"
+
+#include 
+
+/** The list of RAW PCBs */
+static struct raw_pcb *raw_pcbs;
+
+/**
+ * Determine if in incoming IP packet is covered by a RAW PCB
+ * and if so, pass it to a user-provided receive callback function.
+ *
+ * Given an incoming IP datagram (as a chain of pbufs) this function
+ * finds a corresponding RAW PCB and calls the corresponding receive
+ * callback function.
+ *
+ * @param p pbuf to be demultiplexed to a RAW PCB.
+ * @param inp network interface on which the datagram was received.
+ * @return - 1 if the packet has been eaten by a RAW PCB receive
+ *           callback function. The caller MAY NOT not reference the
+ *           packet any longer, and MAY NOT call pbuf_free().
+ * @return - 0 if packet is not eaten (pbuf is still referenced by the
+ *           caller).
+ *
+ */
+u8_t
+raw_input(struct pbuf *p, struct netif *inp)
+{
+  struct raw_pcb *pcb, *prev;
+  struct ip_hdr *iphdr;
+  s16_t proto;
+  u8_t eaten = 0;
+
+  LWIP_UNUSED_ARG(inp);
+
+  iphdr = (struct ip_hdr *)p->payload;
+  proto = IPH_PROTO(iphdr);
+
+  prev = NULL;
+  pcb = raw_pcbs;
+  /* loop through all raw pcbs until the packet is eaten by one */
+  /* this allows multiple pcbs to match against the packet by design */
+  while ((eaten == 0) && (pcb != NULL)) {
+    if ((pcb->protocol == proto) &&
+        (ip_addr_isany(&pcb->local_ip) ||
+         ip_addr_cmp(&(pcb->local_ip), ¤t_iphdr_dest))) {
+#if IP_SOF_BROADCAST_RECV
+      /* broadcast filter? */
+      if ((pcb->so_options & SOF_BROADCAST) || !ip_addr_isbroadcast(¤t_iphdr_dest, inp))
+#endif /* IP_SOF_BROADCAST_RECV */
+      {
+        /* receive callback function available? */
+        if (pcb->recv != NULL) {
+          /* the receive callback function did not eat the packet? */
+          if (pcb->recv(pcb->recv_arg, pcb, p, ip_current_src_addr()) != 0) {
+            /* receive function ate the packet */
+            p = NULL;
+            eaten = 1;
+            if (prev != NULL) {
+            /* move the pcb to the front of raw_pcbs so that is
+               found faster next time */
+              prev->next = pcb->next;
+              pcb->next = raw_pcbs;
+              raw_pcbs = pcb;
+            }
+          }
+        }
+        /* no receive callback function was set for this raw PCB */
+      }
+      /* drop the packet */
+    }
+    prev = pcb;
+    pcb = pcb->next;
+  }
+  return eaten;
+}
+
+/**
+ * Bind a RAW PCB.
+ *
+ * @param pcb RAW PCB to be bound with a local address ipaddr.
+ * @param ipaddr local IP address to bind with. Use IP_ADDR_ANY to
+ * bind to all local interfaces.
+ *
+ * @return lwIP error code.
+ * - ERR_OK. Successful. No error occured.
+ * - ERR_USE. The specified IP address is already bound to by
+ * another RAW PCB.
+ *
+ * @see raw_disconnect()
+ */
+err_t
+raw_bind(struct raw_pcb *pcb, ip_addr_t *ipaddr)
+{
+  ip_addr_set(&pcb->local_ip, ipaddr);
+  return ERR_OK;
+}
+
+/**
+ * Connect an RAW PCB. This function is required by upper layers
+ * of lwip. Using the raw api you could use raw_sendto() instead
+ *
+ * This will associate the RAW PCB with the remote address.
+ *
+ * @param pcb RAW PCB to be connected with remote address ipaddr and port.
+ * @param ipaddr remote IP address to connect with.
+ *
+ * @return lwIP error code
+ *
+ * @see raw_disconnect() and raw_sendto()
+ */
+err_t
+raw_connect(struct raw_pcb *pcb, ip_addr_t *ipaddr)
+{
+  ip_addr_set(&pcb->remote_ip, ipaddr);
+  return ERR_OK;
+}
+
+
+/**
+ * Set the callback function for received packets that match the
+ * raw PCB's protocol and binding. 
+ * 
+ * The callback function MUST either
+ * - eat the packet by calling pbuf_free() and returning non-zero. The
+ *   packet will not be passed to other raw PCBs or other protocol layers.
+ * - not free the packet, and return zero. The packet will be matched
+ *   against further PCBs and/or forwarded to another protocol layers.
+ * 
+ * @return non-zero if the packet was free()d, zero if the packet remains
+ * available for others.
+ */
+void
+raw_recv(struct raw_pcb *pcb, raw_recv_fn recv, void *recv_arg)
+{
+  /* remember recv() callback and user data */
+  pcb->recv = recv;
+  pcb->recv_arg = recv_arg;
+}
+
+/**
+ * Send the raw IP packet to the given address. Note that actually you cannot
+ * modify the IP headers (this is inconsistent with the receive callback where
+ * you actually get the IP headers), you can only specify the IP payload here.
+ * It requires some more changes in lwIP. (there will be a raw_send() function
+ * then.)
+ *
+ * @param pcb the raw pcb which to send
+ * @param p the IP payload to send
+ * @param ipaddr the destination address of the IP packet
+ *
+ */
+err_t
+raw_sendto(struct raw_pcb *pcb, struct pbuf *p, ip_addr_t *ipaddr)
+{
+  err_t err;
+  struct netif *netif;
+  ip_addr_t *src_ip;
+  struct pbuf *q; /* q will be sent down the stack */
+  
+  LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_TRACE, ("raw_sendto\n"));
+  
+  /* not enough space to add an IP header to first pbuf in given p chain? */
+  if (pbuf_header(p, IP_HLEN)) {
+    /* allocate header in new pbuf */
+    q = pbuf_alloc(PBUF_IP, 0, PBUF_RAM);
+    /* new header pbuf could not be allocated? */
+    if (q == NULL) {
+      LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("raw_sendto: could not allocate header\n"));
+      return ERR_MEM;
+    }
+    if (p->tot_len != 0) {
+      /* chain header q in front of given pbuf p */
+      pbuf_chain(q, p);
+    }
+    /* { first pbuf q points to header pbuf } */
+    LWIP_DEBUGF(RAW_DEBUG, ("raw_sendto: added header pbuf %p before given pbuf %p\n", (void *)q, (void *)p));
+  }  else {
+    /* first pbuf q equals given pbuf */
+    q = p;
+    if(pbuf_header(q, -IP_HLEN)) {
+      LWIP_ASSERT("Can't restore header we just removed!", 0);
+      return ERR_MEM;
+    }
+  }
+
+  if ((netif = ip_route(ipaddr)) == NULL) {
+    LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_LEVEL_WARNING, ("raw_sendto: No route to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+      ip4_addr1_16(ipaddr), ip4_addr2_16(ipaddr), ip4_addr3_16(ipaddr), ip4_addr4_16(ipaddr)));
+    /* free any temporary header pbuf allocated by pbuf_header() */
+    if (q != p) {
+      pbuf_free(q);
+    }
+    return ERR_RTE;
+  }
+
+#if IP_SOF_BROADCAST
+  /* broadcast filter? */
+  if (((pcb->so_options & SOF_BROADCAST) == 0) && ip_addr_isbroadcast(ipaddr, netif)) {
+    LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_LEVEL_WARNING, ("raw_sendto: SOF_BROADCAST not enabled on pcb %p\n", (void *)pcb));
+    /* free any temporary header pbuf allocated by pbuf_header() */
+    if (q != p) {
+      pbuf_free(q);
+    }
+    return ERR_VAL;
+  }
+#endif /* IP_SOF_BROADCAST */
+
+  if (ip_addr_isany(&pcb->local_ip)) {
+    /* use outgoing network interface IP address as source address */
+    src_ip = &(netif->ip_addr);
+  } else {
+    /* use RAW PCB local IP address as source address */
+    src_ip = &(pcb->local_ip);
+  }
+
+#if LWIP_NETIF_HWADDRHINT
+  netif->addr_hint = &(pcb->addr_hint);
+#endif /* LWIP_NETIF_HWADDRHINT*/
+  err = ip_output_if (q, src_ip, ipaddr, pcb->ttl, pcb->tos, pcb->protocol, netif);
+#if LWIP_NETIF_HWADDRHINT
+  netif->addr_hint = NULL;
+#endif /* LWIP_NETIF_HWADDRHINT*/
+
+  /* did we chain a header earlier? */
+  if (q != p) {
+    /* free the header */
+    pbuf_free(q);
+  }
+  return err;
+}
+
+/**
+ * Send the raw IP packet to the address given by raw_connect()
+ *
+ * @param pcb the raw pcb which to send
+ * @param p the IP payload to send
+ *
+ */
+err_t
+raw_send(struct raw_pcb *pcb, struct pbuf *p)
+{
+  return raw_sendto(pcb, p, &pcb->remote_ip);
+}
+
+/**
+ * Remove an RAW PCB.
+ *
+ * @param pcb RAW PCB to be removed. The PCB is removed from the list of
+ * RAW PCB's and the data structure is freed from memory.
+ *
+ * @see raw_new()
+ */
+void
+raw_remove(struct raw_pcb *pcb)
+{
+  struct raw_pcb *pcb2;
+  /* pcb to be removed is first in list? */
+  if (raw_pcbs == pcb) {
+    /* make list start at 2nd pcb */
+    raw_pcbs = raw_pcbs->next;
+    /* pcb not 1st in list */
+  } else {
+    for(pcb2 = raw_pcbs; pcb2 != NULL; pcb2 = pcb2->next) {
+      /* find pcb in raw_pcbs list */
+      if (pcb2->next != NULL && pcb2->next == pcb) {
+        /* remove pcb from list */
+        pcb2->next = pcb->next;
+      }
+    }
+  }
+  memp_free(MEMP_RAW_PCB, pcb);
+}
+
+/**
+ * Create a RAW PCB.
+ *
+ * @return The RAW PCB which was created. NULL if the PCB data structure
+ * could not be allocated.
+ *
+ * @param proto the protocol number of the IPs payload (e.g. IP_PROTO_ICMP)
+ *
+ * @see raw_remove()
+ */
+struct raw_pcb *
+raw_new(u8_t proto)
+{
+  struct raw_pcb *pcb;
+
+  LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_TRACE, ("raw_new\n"));
+
+  pcb = (struct raw_pcb *)memp_malloc(MEMP_RAW_PCB);
+  /* could allocate RAW PCB? */
+  if (pcb != NULL) {
+    /* initialize PCB to all zeroes */
+    memset(pcb, 0, sizeof(struct raw_pcb));
+    pcb->protocol = proto;
+    pcb->ttl = RAW_TTL;
+    pcb->next = raw_pcbs;
+    raw_pcbs = pcb;
+  }
+  return pcb;
+}
+
+#endif /* LWIP_RAW */
diff --git a/libraries/net/lwip/lwip/core/snmp/asn1_dec.c b/libraries/net/lwip/lwip/core/snmp/asn1_dec.c
new file mode 100644
index 0000000000..1d5658207a
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/snmp/asn1_dec.c
@@ -0,0 +1,657 @@
+/**
+ * @file
+ * Abstract Syntax Notation One (ISO 8824, 8825) decoding
+ *
+ * @todo not optimised (yet), favor correctness over speed, favor speed over size
+ */
+
+/*
+ * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Christiaan Simons 
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/snmp_asn1.h"
+
+/**
+ * Retrieves type field from incoming pbuf chain.
+ *
+ * @param p points to a pbuf holding an ASN1 coded type field
+ * @param ofs points to the offset within the pbuf chain of the ASN1 coded type field
+ * @param type return ASN1 type
+ * @return ERR_OK if successfull, ERR_ARG if we can't (or won't) decode
+ */
+err_t
+snmp_asn1_dec_type(struct pbuf *p, u16_t ofs, u8_t *type)
+{
+  u16_t plen, base;
+  u8_t *msg_ptr;
+
+  plen = 0;
+  while (p != NULL)
+  {
+    base = plen;
+    plen += p->len;
+    if (ofs < plen)
+    {
+      msg_ptr = (u8_t*)p->payload;
+      msg_ptr += ofs - base;
+      *type = *msg_ptr;
+      return ERR_OK;
+    }
+    p = p->next;
+  }
+  /* p == NULL, ofs >= plen */
+  return ERR_ARG;
+}
+
+/**
+ * Decodes length field from incoming pbuf chain into host length.
+ *
+ * @param p points to a pbuf holding an ASN1 coded length
+ * @param ofs points to the offset within the pbuf chain of the ASN1 coded length
+ * @param octets_used returns number of octets used by the length code
+ * @param length return host order length, upto 64k
+ * @return ERR_OK if successfull, ERR_ARG if we can't (or won't) decode
+ */
+err_t
+snmp_asn1_dec_length(struct pbuf *p, u16_t ofs, u8_t *octets_used, u16_t *length)
+{
+  u16_t plen, base;
+  u8_t *msg_ptr;
+
+  plen = 0;
+  while (p != NULL)
+  {
+    base = plen;
+    plen += p->len;
+    if (ofs < plen)
+    {
+      msg_ptr = (u8_t*)p->payload;
+      msg_ptr += ofs - base;
+
+      if (*msg_ptr < 0x80)
+      {
+        /* primitive definite length format */
+        *octets_used = 1;
+        *length = *msg_ptr;
+        return ERR_OK;
+      }
+      else if (*msg_ptr == 0x80)
+      {
+        /* constructed indefinite length format, termination with two zero octets */
+        u8_t zeros;
+        u8_t i;
+
+        *length = 0;
+        zeros = 0;
+        while (zeros != 2)
+        {
+          i = 2;
+          while (i > 0)
+          {
+            i--;
+            (*length) += 1;
+            ofs += 1;
+            if (ofs >= plen)
+            {
+              /* next octet in next pbuf */
+              p = p->next;
+              if (p == NULL) { return ERR_ARG; }
+              msg_ptr = (u8_t*)p->payload;
+              plen += p->len;
+            }
+            else
+            {
+              /* next octet in same pbuf */
+              msg_ptr++;
+            }
+            if (*msg_ptr == 0)
+            {
+              zeros++;
+              if (zeros == 2)
+              {
+                /* stop while (i > 0) */
+                i = 0;
+              }
+            }
+            else
+            {
+              zeros = 0;
+            }
+          }
+        }
+        *octets_used = 1;
+        return ERR_OK;
+      }
+      else if (*msg_ptr == 0x81)
+      {
+        /* constructed definite length format, one octet */
+        ofs += 1;
+        if (ofs >= plen)
+        {
+          /* next octet in next pbuf */
+          p = p->next;
+          if (p == NULL) { return ERR_ARG; }
+          msg_ptr = (u8_t*)p->payload;
+        }
+        else
+        {
+          /* next octet in same pbuf */
+          msg_ptr++;
+        }
+        *length = *msg_ptr;
+        *octets_used = 2;
+        return ERR_OK;
+      }
+      else if (*msg_ptr == 0x82)
+      {
+        u8_t i;
+
+        /* constructed definite length format, two octets */
+        i = 2;
+        while (i > 0)
+        {
+          i--;
+          ofs += 1;
+          if (ofs >= plen)
+          {
+            /* next octet in next pbuf */
+            p = p->next;
+            if (p == NULL) { return ERR_ARG; }
+            msg_ptr = (u8_t*)p->payload;
+            plen += p->len;
+          }
+          else
+          {
+            /* next octet in same pbuf */
+            msg_ptr++;
+          }
+          if (i == 0)
+          {
+            /* least significant length octet */
+            *length |= *msg_ptr;
+          }
+          else
+          {
+            /* most significant length octet */
+            *length = (*msg_ptr) << 8;
+          }
+        }
+        *octets_used = 3;
+        return ERR_OK;
+      }
+      else
+      {
+        /* constructed definite length format 3..127 octets, this is too big (>64k) */
+        /**  @todo: do we need to accept inefficient codings with many leading zero's? */
+        *octets_used = 1 + ((*msg_ptr) & 0x7f);
+        return ERR_ARG;
+      }
+    }
+    p = p->next;
+  }
+
+  /* p == NULL, ofs >= plen */
+  return ERR_ARG;
+}
+
+/**
+ * Decodes positive integer (counter, gauge, timeticks) into u32_t.
+ *
+ * @param p points to a pbuf holding an ASN1 coded integer
+ * @param ofs points to the offset within the pbuf chain of the ASN1 coded integer
+ * @param len length of the coded integer field
+ * @param value return host order integer
+ * @return ERR_OK if successfull, ERR_ARG if we can't (or won't) decode
+ *
+ * @note ASN coded integers are _always_ signed. E.g. +0xFFFF is coded
+ * as 0x00,0xFF,0xFF. Note the leading sign octet. A positive value
+ * of 0xFFFFFFFF is preceded with 0x00 and the length is 5 octets!!
+ */
+err_t
+snmp_asn1_dec_u32t(struct pbuf *p, u16_t ofs, u16_t len, u32_t *value)
+{
+  u16_t plen, base;
+  u8_t *msg_ptr;
+
+  plen = 0;
+  while (p != NULL)
+  {
+    base = plen;
+    plen += p->len;
+    if (ofs < plen)
+    {
+      msg_ptr = (u8_t*)p->payload;
+      msg_ptr += ofs - base;
+      if ((len > 0) && (len < 6))
+      {
+        /* start from zero */
+        *value = 0;
+        if (*msg_ptr & 0x80)
+        {
+          /* negative, expecting zero sign bit! */
+          return ERR_ARG;
+        }
+        else
+        {
+          /* positive */
+          if ((len > 1) && (*msg_ptr == 0))
+          {
+            /* skip leading "sign byte" octet 0x00 */
+            len--;
+            ofs += 1;
+            if (ofs >= plen)
+            {
+              /* next octet in next pbuf */
+              p = p->next;
+              if (p == NULL) { return ERR_ARG; }
+              msg_ptr = (u8_t*)p->payload;
+              plen += p->len;
+            }
+            else
+            {
+              /* next octet in same pbuf */
+              msg_ptr++;
+            }
+          }
+        }
+        /* OR octets with value */
+        while (len > 1)
+        {
+          len--;
+          *value |= *msg_ptr;
+          *value <<= 8;
+          ofs += 1;
+          if (ofs >= plen)
+          {
+            /* next octet in next pbuf */
+            p = p->next;
+            if (p == NULL) { return ERR_ARG; }
+            msg_ptr = (u8_t*)p->payload;
+            plen += p->len;
+          }
+          else
+          {
+            /* next octet in same pbuf */
+            msg_ptr++;
+          }
+        }
+        *value |= *msg_ptr;
+        return ERR_OK;
+      }
+      else
+      {
+        return ERR_ARG;
+      }
+    }
+    p = p->next;
+  }
+  /* p == NULL, ofs >= plen */
+  return ERR_ARG;
+}
+
+/**
+ * Decodes integer into s32_t.
+ *
+ * @param p points to a pbuf holding an ASN1 coded integer
+ * @param ofs points to the offset within the pbuf chain of the ASN1 coded integer
+ * @param len length of the coded integer field
+ * @param value return host order integer
+ * @return ERR_OK if successfull, ERR_ARG if we can't (or won't) decode
+ *
+ * @note ASN coded integers are _always_ signed!
+ */
+err_t
+snmp_asn1_dec_s32t(struct pbuf *p, u16_t ofs, u16_t len, s32_t *value)
+{
+  u16_t plen, base;
+  u8_t *msg_ptr;
+#if BYTE_ORDER == LITTLE_ENDIAN
+  u8_t *lsb_ptr = (u8_t*)value;
+#endif
+#if BYTE_ORDER == BIG_ENDIAN
+  u8_t *lsb_ptr = (u8_t*)value + sizeof(s32_t) - 1;
+#endif
+  u8_t sign;
+
+  plen = 0;
+  while (p != NULL)
+  {
+    base = plen;
+    plen += p->len;
+    if (ofs < plen)
+    {
+      msg_ptr = (u8_t*)p->payload;
+      msg_ptr += ofs - base;
+      if ((len > 0) && (len < 5))
+      {
+        if (*msg_ptr & 0x80)
+        {
+          /* negative, start from -1 */
+          *value = -1;
+          sign = 1;
+        }
+        else
+        {
+          /* positive, start from 0 */
+          *value = 0;
+          sign = 0;
+        }
+        /* OR/AND octets with value */
+        while (len > 1)
+        {
+          len--;
+          if (sign)
+          {
+            *lsb_ptr &= *msg_ptr;
+            *value <<= 8;
+            *lsb_ptr |= 255;
+          }
+          else
+          {
+            *lsb_ptr |= *msg_ptr;
+            *value <<= 8;
+          }
+          ofs += 1;
+          if (ofs >= plen)
+          {
+            /* next octet in next pbuf */
+            p = p->next;
+            if (p == NULL) { return ERR_ARG; }
+            msg_ptr = (u8_t*)p->payload;
+            plen += p->len;
+          }
+          else
+          {
+            /* next octet in same pbuf */
+            msg_ptr++;
+          }
+        }
+        if (sign)
+        {
+          *lsb_ptr &= *msg_ptr;
+        }
+        else
+        {
+          *lsb_ptr |= *msg_ptr;
+        }
+        return ERR_OK;
+      }
+      else
+      {
+        return ERR_ARG;
+      }
+    }
+    p = p->next;
+  }
+  /* p == NULL, ofs >= plen */
+  return ERR_ARG;
+}
+
+/**
+ * Decodes object identifier from incoming message into array of s32_t.
+ *
+ * @param p points to a pbuf holding an ASN1 coded object identifier
+ * @param ofs points to the offset within the pbuf chain of the ASN1 coded object identifier
+ * @param len length of the coded object identifier
+ * @param oid return object identifier struct
+ * @return ERR_OK if successfull, ERR_ARG if we can't (or won't) decode
+ */
+err_t
+snmp_asn1_dec_oid(struct pbuf *p, u16_t ofs, u16_t len, struct snmp_obj_id *oid)
+{
+  u16_t plen, base;
+  u8_t *msg_ptr;
+  s32_t *oid_ptr;
+
+  plen = 0;
+  while (p != NULL)
+  {
+    base = plen;
+    plen += p->len;
+    if (ofs < plen)
+    {
+      msg_ptr = (u8_t*)p->payload;
+      msg_ptr += ofs - base;
+
+      oid->len = 0;
+      oid_ptr = &oid->id[0];
+      if (len > 0)
+      {
+        /* first compressed octet */
+        if (*msg_ptr == 0x2B)
+        {
+          /* (most) common case 1.3 (iso.org) */
+          *oid_ptr = 1;
+          oid_ptr++;
+          *oid_ptr = 3;
+          oid_ptr++;
+        }
+        else if (*msg_ptr < 40)
+        {
+          *oid_ptr = 0;
+          oid_ptr++;
+          *oid_ptr = *msg_ptr;
+          oid_ptr++;
+        }
+        else if (*msg_ptr < 80)
+        {
+          *oid_ptr = 1;
+          oid_ptr++;
+          *oid_ptr = (*msg_ptr) - 40;
+          oid_ptr++;
+        }
+        else
+        {
+          *oid_ptr = 2;
+          oid_ptr++;
+          *oid_ptr = (*msg_ptr) - 80;
+          oid_ptr++;
+        }
+        oid->len = 2;
+      }
+      else
+      {
+        /* accepting zero length identifiers e.g. for
+           getnext operation. uncommon but valid */
+        return ERR_OK;
+      }
+      len--;
+      if (len > 0)
+      {
+        ofs += 1;
+        if (ofs >= plen)
+        {
+          /* next octet in next pbuf */
+          p = p->next;
+          if (p == NULL) { return ERR_ARG; }
+          msg_ptr = (u8_t*)p->payload;
+          plen += p->len;
+        }
+        else
+        {
+          /* next octet in same pbuf */
+          msg_ptr++;
+        }
+      }
+      while ((len > 0) && (oid->len < LWIP_SNMP_OBJ_ID_LEN))
+      {
+        /* sub-identifier uses multiple octets */
+        if (*msg_ptr & 0x80)
+        {
+          s32_t sub_id = 0;
+
+          while ((*msg_ptr & 0x80) && (len > 1))
+          {
+            len--;
+            sub_id = (sub_id << 7) + (*msg_ptr & ~0x80);
+            ofs += 1;
+            if (ofs >= plen)
+            {
+              /* next octet in next pbuf */
+              p = p->next;
+              if (p == NULL) { return ERR_ARG; }
+              msg_ptr = (u8_t*)p->payload;
+              plen += p->len;
+            }
+            else
+            {
+              /* next octet in same pbuf */
+              msg_ptr++;
+            }
+          }
+          if (!(*msg_ptr & 0x80) && (len > 0))
+          {
+            /* last octet sub-identifier */
+            len--;
+            sub_id = (sub_id << 7) + *msg_ptr;
+            *oid_ptr = sub_id;
+          }
+        }
+        else
+        {
+          /* !(*msg_ptr & 0x80) sub-identifier uses single octet */
+          len--;
+          *oid_ptr = *msg_ptr;
+        }
+        if (len > 0)
+        {
+          /* remaining oid bytes available ... */
+          ofs += 1;
+          if (ofs >= plen)
+          {
+            /* next octet in next pbuf */
+            p = p->next;
+            if (p == NULL) { return ERR_ARG; }
+            msg_ptr = (u8_t*)p->payload;
+            plen += p->len;
+          }
+          else
+          {
+            /* next octet in same pbuf */
+            msg_ptr++;
+          }
+        }
+        oid_ptr++;
+        oid->len++;
+      }
+      if (len == 0)
+      {
+        /* len == 0, end of oid */
+        return ERR_OK;
+      }
+      else
+      {
+        /* len > 0, oid->len == LWIP_SNMP_OBJ_ID_LEN or malformed encoding */
+        return ERR_ARG;
+      }
+
+    }
+    p = p->next;
+  }
+  /* p == NULL, ofs >= plen */
+  return ERR_ARG;
+}
+
+/**
+ * Decodes (copies) raw data (ip-addresses, octet strings, opaque encoding)
+ * from incoming message into array.
+ *
+ * @param p points to a pbuf holding an ASN1 coded raw data
+ * @param ofs points to the offset within the pbuf chain of the ASN1 coded raw data
+ * @param len length of the coded raw data (zero is valid, e.g. empty string!)
+ * @param raw_len length of the raw return value
+ * @param raw return raw bytes
+ * @return ERR_OK if successfull, ERR_ARG if we can't (or won't) decode
+ */
+err_t
+snmp_asn1_dec_raw(struct pbuf *p, u16_t ofs, u16_t len, u16_t raw_len, u8_t *raw)
+{
+  u16_t plen, base;
+  u8_t *msg_ptr;
+
+  if (len > 0)
+  {
+    plen = 0;
+    while (p != NULL)
+    {
+      base = plen;
+      plen += p->len;
+      if (ofs < plen)
+      {
+        msg_ptr = (u8_t*)p->payload;
+        msg_ptr += ofs - base;
+        if (raw_len >= len)
+        {
+          while (len > 1)
+          {
+            /* copy len - 1 octets */
+            len--;
+            *raw = *msg_ptr;
+            raw++;
+            ofs += 1;
+            if (ofs >= plen)
+            {
+              /* next octet in next pbuf */
+              p = p->next;
+              if (p == NULL) { return ERR_ARG; }
+              msg_ptr = (u8_t*)p->payload;
+              plen += p->len;
+            }
+            else
+            {
+              /* next octet in same pbuf */
+              msg_ptr++;
+            }
+          }
+          /* copy last octet */
+          *raw = *msg_ptr;
+          return ERR_OK;
+        }
+        else
+        {
+          /* raw_len < len, not enough dst space */
+          return ERR_ARG;
+        }
+      }
+      p = p->next;
+    }
+    /* p == NULL, ofs >= plen */
+    return ERR_ARG;
+  }
+  else
+  {
+    /* len == 0, empty string */
+    return ERR_OK;
+  }
+}
+
+#endif /* LWIP_SNMP */
diff --git a/libraries/net/lwip/lwip/core/snmp/asn1_enc.c b/libraries/net/lwip/lwip/core/snmp/asn1_enc.c
new file mode 100644
index 0000000000..64dfc5f6ea
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/snmp/asn1_enc.c
@@ -0,0 +1,611 @@
+/**
+ * @file
+ * Abstract Syntax Notation One (ISO 8824, 8825) encoding
+ *
+ * @todo not optimised (yet), favor correctness over speed, favor speed over size
+ */
+
+/*
+ * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Christiaan Simons 
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/snmp_asn1.h"
+
+/**
+ * Returns octet count for length.
+ *
+ * @param length
+ * @param octets_needed points to the return value
+ */
+void
+snmp_asn1_enc_length_cnt(u16_t length, u8_t *octets_needed)
+{
+  if (length < 0x80U)
+  {
+    *octets_needed = 1;
+  }
+  else if (length < 0x100U)
+  {
+    *octets_needed = 2;
+  }
+  else
+  {
+    *octets_needed = 3;
+  }
+}
+
+/**
+ * Returns octet count for an u32_t.
+ *
+ * @param value
+ * @param octets_needed points to the return value
+ *
+ * @note ASN coded integers are _always_ signed. E.g. +0xFFFF is coded
+ * as 0x00,0xFF,0xFF. Note the leading sign octet. A positive value
+ * of 0xFFFFFFFF is preceded with 0x00 and the length is 5 octets!!
+ */
+void
+snmp_asn1_enc_u32t_cnt(u32_t value, u16_t *octets_needed)
+{
+  if (value < 0x80UL)
+  {
+    *octets_needed = 1;
+  }
+  else if (value < 0x8000UL)
+  {
+    *octets_needed = 2;
+  }
+  else if (value < 0x800000UL)
+  {
+    *octets_needed = 3;
+  }
+  else if (value < 0x80000000UL)
+  {
+    *octets_needed = 4;
+  }
+  else
+  {
+    *octets_needed = 5;
+  }
+}
+
+/**
+ * Returns octet count for an s32_t.
+ *
+ * @param value
+ * @param octets_needed points to the return value
+ *
+ * @note ASN coded integers are _always_ signed.
+ */
+void
+snmp_asn1_enc_s32t_cnt(s32_t value, u16_t *octets_needed)
+{
+  if (value < 0)
+  {
+    value = ~value;
+  }
+  if (value < 0x80L)
+  {
+    *octets_needed = 1;
+  }
+  else if (value < 0x8000L)
+  {
+    *octets_needed = 2;
+  }
+  else if (value < 0x800000L)
+  {
+    *octets_needed = 3;
+  }
+  else
+  {
+    *octets_needed = 4;
+  }
+}
+
+/**
+ * Returns octet count for an object identifier.
+ *
+ * @param ident_len object identifier array length
+ * @param ident points to object identifier array
+ * @param octets_needed points to the return value
+ */
+void
+snmp_asn1_enc_oid_cnt(u8_t ident_len, s32_t *ident, u16_t *octets_needed)
+{
+  s32_t sub_id;
+  u8_t cnt;
+
+  cnt = 0;
+  if (ident_len > 1)
+  {
+    /* compressed prefix in one octet */
+    cnt++;
+    ident_len -= 2;
+    ident += 2;
+  }
+  while(ident_len > 0)
+  {
+    ident_len--;
+    sub_id = *ident;
+
+    sub_id >>= 7;
+    cnt++;
+    while(sub_id > 0)
+    {
+      sub_id >>= 7;
+      cnt++;
+    }
+    ident++;
+  }
+  *octets_needed = cnt;
+}
+
+/**
+ * Encodes ASN type field into a pbuf chained ASN1 msg.
+ *
+ * @param p points to output pbuf to encode value into
+ * @param ofs points to the offset within the pbuf chain
+ * @param type input ASN1 type
+ * @return ERR_OK if successfull, ERR_ARG if we can't (or won't) encode
+ */
+err_t
+snmp_asn1_enc_type(struct pbuf *p, u16_t ofs, u8_t type)
+{
+  u16_t plen, base;
+  u8_t *msg_ptr;
+
+  plen = 0;
+  while (p != NULL)
+  {
+    base = plen;
+    plen += p->len;
+    if (ofs < plen)
+    {
+      msg_ptr = (u8_t*)p->payload;
+      msg_ptr += ofs - base;
+      *msg_ptr = type;
+      return ERR_OK;
+    }
+    p = p->next;
+  }
+  /* p == NULL, ofs >= plen */
+  return ERR_ARG;
+}
+
+/**
+ * Encodes host order length field into a pbuf chained ASN1 msg.
+ *
+ * @param p points to output pbuf to encode length into
+ * @param ofs points to the offset within the pbuf chain
+ * @param length is the host order length to be encoded
+ * @return ERR_OK if successfull, ERR_ARG if we can't (or won't) encode
+ */
+err_t
+snmp_asn1_enc_length(struct pbuf *p, u16_t ofs, u16_t length)
+{
+  u16_t plen, base;
+  u8_t *msg_ptr;
+
+  plen = 0;
+  while (p != NULL)
+  {
+    base = plen;
+    plen += p->len;
+    if (ofs < plen)
+    {
+      msg_ptr = (u8_t*)p->payload;
+      msg_ptr += ofs - base;
+
+      if (length < 0x80)
+      {
+        *msg_ptr = (u8_t)length;
+        return ERR_OK;
+      }
+      else if (length < 0x100)
+      {
+        *msg_ptr = 0x81;
+        ofs += 1;
+        if (ofs >= plen)
+        {
+          /* next octet in next pbuf */
+          p = p->next;
+          if (p == NULL) { return ERR_ARG; }
+          msg_ptr = (u8_t*)p->payload;
+        }
+        else
+        {
+          /* next octet in same pbuf */
+          msg_ptr++;
+        }
+        *msg_ptr = (u8_t)length;
+        return ERR_OK;
+      }
+      else
+      {
+        u8_t i;
+
+        /* length >= 0x100 && length <= 0xFFFF */
+        *msg_ptr = 0x82;
+        i = 2;
+        while (i > 0)
+        {
+          i--;
+          ofs += 1;
+          if (ofs >= plen)
+          {
+            /* next octet in next pbuf */
+            p = p->next;
+            if (p == NULL) { return ERR_ARG; }
+            msg_ptr = (u8_t*)p->payload;
+            plen += p->len;
+          }
+          else
+          {
+            /* next octet in same pbuf */
+            msg_ptr++;
+          }
+          if (i == 0)
+          {
+            /* least significant length octet */
+            *msg_ptr = (u8_t)length;
+          }
+          else
+          {
+            /* most significant length octet */
+            *msg_ptr = (u8_t)(length >> 8);
+          }
+        }
+        return ERR_OK;
+      }
+    }
+    p = p->next;
+  }
+  /* p == NULL, ofs >= plen */
+  return ERR_ARG;
+}
+
+/**
+ * Encodes u32_t (counter, gauge, timeticks) into a pbuf chained ASN1 msg.
+ *
+ * @param p points to output pbuf to encode value into
+ * @param ofs points to the offset within the pbuf chain
+ * @param octets_needed encoding length (from snmp_asn1_enc_u32t_cnt())
+ * @param value is the host order u32_t value to be encoded
+ * @return ERR_OK if successfull, ERR_ARG if we can't (or won't) encode
+ *
+ * @see snmp_asn1_enc_u32t_cnt()
+ */
+err_t
+snmp_asn1_enc_u32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, u32_t value)
+{
+  u16_t plen, base;
+  u8_t *msg_ptr;
+
+  plen = 0;
+  while (p != NULL)
+  {
+    base = plen;
+    plen += p->len;
+    if (ofs < plen)
+    {
+      msg_ptr = (u8_t*)p->payload;
+      msg_ptr += ofs - base;
+
+      if (octets_needed == 5)
+      {
+        /* not enough bits in 'value' add leading 0x00 */
+        octets_needed--;
+        *msg_ptr = 0x00;
+        ofs += 1;
+        if (ofs >= plen)
+        {
+          /* next octet in next pbuf */
+          p = p->next;
+          if (p == NULL) { return ERR_ARG; }
+          msg_ptr = (u8_t*)p->payload;
+          plen += p->len;
+        }
+        else
+        {
+          /* next octet in same pbuf */
+          msg_ptr++;
+        }
+      }
+      while (octets_needed > 1)
+      {
+        octets_needed--;
+        *msg_ptr = (u8_t)(value >> (octets_needed << 3));
+        ofs += 1;
+        if (ofs >= plen)
+        {
+          /* next octet in next pbuf */
+          p = p->next;
+          if (p == NULL) { return ERR_ARG; }
+          msg_ptr = (u8_t*)p->payload;
+          plen += p->len;
+        }
+        else
+        {
+          /* next octet in same pbuf */
+          msg_ptr++;
+        }
+      }
+      /* (only) one least significant octet */
+      *msg_ptr = (u8_t)value;
+      return ERR_OK;
+    }
+    p = p->next;
+  }
+  /* p == NULL, ofs >= plen */
+  return ERR_ARG;
+}
+
+/**
+ * Encodes s32_t integer into a pbuf chained ASN1 msg.
+ *
+ * @param p points to output pbuf to encode value into
+ * @param ofs points to the offset within the pbuf chain
+ * @param octets_needed encoding length (from snmp_asn1_enc_s32t_cnt())
+ * @param value is the host order s32_t value to be encoded
+ * @return ERR_OK if successfull, ERR_ARG if we can't (or won't) encode
+ *
+ * @see snmp_asn1_enc_s32t_cnt()
+ */
+err_t
+snmp_asn1_enc_s32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, s32_t value)
+{
+  u16_t plen, base;
+  u8_t *msg_ptr;
+
+  plen = 0;
+  while (p != NULL)
+  {
+    base = plen;
+    plen += p->len;
+    if (ofs < plen)
+    {
+      msg_ptr = (u8_t*)p->payload;
+      msg_ptr += ofs - base;
+
+      while (octets_needed > 1)
+      {
+        octets_needed--;
+        *msg_ptr = (u8_t)(value >> (octets_needed << 3));
+        ofs += 1;
+        if (ofs >= plen)
+        {
+          /* next octet in next pbuf */
+          p = p->next;
+          if (p == NULL) { return ERR_ARG; }
+          msg_ptr = (u8_t*)p->payload;
+          plen += p->len;
+        }
+        else
+        {
+          /* next octet in same pbuf */
+          msg_ptr++;
+        }
+      }
+      /* (only) one least significant octet */
+      *msg_ptr = (u8_t)value;
+      return ERR_OK;
+    }
+    p = p->next;
+  }
+  /* p == NULL, ofs >= plen */
+  return ERR_ARG;
+}
+
+/**
+ * Encodes object identifier into a pbuf chained ASN1 msg.
+ *
+ * @param p points to output pbuf to encode oid into
+ * @param ofs points to the offset within the pbuf chain
+ * @param ident_len object identifier array length
+ * @param ident points to object identifier array
+ * @return ERR_OK if successfull, ERR_ARG if we can't (or won't) encode
+ */
+err_t
+snmp_asn1_enc_oid(struct pbuf *p, u16_t ofs, u8_t ident_len, s32_t *ident)
+{
+  u16_t plen, base;
+  u8_t *msg_ptr;
+
+  plen = 0;
+  while (p != NULL)
+  {
+    base = plen;
+    plen += p->len;
+    if (ofs < plen)
+    {
+      msg_ptr = (u8_t*)p->payload;
+      msg_ptr += ofs - base;
+
+      if (ident_len > 1)
+      {
+        if ((ident[0] == 1) && (ident[1] == 3))
+        {
+          /* compressed (most common) prefix .iso.org */
+          *msg_ptr = 0x2b;
+        }
+        else
+        {
+          /* calculate prefix */
+          *msg_ptr = (u8_t)((ident[0] * 40) + ident[1]);
+        }
+        ofs += 1;
+        if (ofs >= plen)
+        {
+          /* next octet in next pbuf */
+          p = p->next;
+          if (p == NULL) { return ERR_ARG; }
+          msg_ptr = (u8_t*)p->payload;
+          plen += p->len;
+        }
+        else
+        {
+          /* next octet in same pbuf */
+          msg_ptr++;
+        }
+        ident_len -= 2;
+        ident += 2;
+      }
+      else
+      {
+/* @bug:  allow empty varbinds for symmetry (we must decode them for getnext), allow partial compression??  */
+        /* ident_len <= 1, at least we need zeroDotZero (0.0) (ident_len == 2) */
+        return ERR_ARG;
+      }
+      while (ident_len > 0)
+      {
+        s32_t sub_id;
+        u8_t shift, tail;
+
+        ident_len--;
+        sub_id = *ident;
+        tail = 0;
+        shift = 28;
+        while(shift > 0)
+        {
+          u8_t code;
+
+          code = (u8_t)(sub_id >> shift);
+          if ((code != 0) || (tail != 0))
+          {
+            tail = 1;
+            *msg_ptr = code | 0x80;
+            ofs += 1;
+            if (ofs >= plen)
+            {
+              /* next octet in next pbuf */
+              p = p->next;
+              if (p == NULL) { return ERR_ARG; }
+              msg_ptr = (u8_t*)p->payload;
+              plen += p->len;
+            }
+            else
+            {
+              /* next octet in same pbuf */
+              msg_ptr++;
+            }
+          }
+          shift -= 7;
+        }
+        *msg_ptr = (u8_t)sub_id & 0x7F;
+        if (ident_len > 0)
+        {
+          ofs += 1;
+          if (ofs >= plen)
+          {
+            /* next octet in next pbuf */
+            p = p->next;
+            if (p == NULL) { return ERR_ARG; }
+            msg_ptr = (u8_t*)p->payload;
+            plen += p->len;
+          }
+          else
+          {
+            /* next octet in same pbuf */
+            msg_ptr++;
+          }
+        }
+        /* proceed to next sub-identifier */
+        ident++;
+      }
+      return ERR_OK;
+    }
+    p = p->next;
+  }
+  /* p == NULL, ofs >= plen */
+  return ERR_ARG;
+}
+
+/**
+ * Encodes raw data (octet string, opaque) into a pbuf chained ASN1 msg.
+ *
+ * @param p points to output pbuf to encode raw data into
+ * @param ofs points to the offset within the pbuf chain
+ * @param raw_len raw data length
+ * @param raw points raw data
+ * @return ERR_OK if successfull, ERR_ARG if we can't (or won't) encode
+ */
+err_t
+snmp_asn1_enc_raw(struct pbuf *p, u16_t ofs, u16_t raw_len, u8_t *raw)
+{
+  u16_t plen, base;
+  u8_t *msg_ptr;
+
+  plen = 0;
+  while (p != NULL)
+  {
+    base = plen;
+    plen += p->len;
+    if (ofs < plen)
+    {
+      msg_ptr = (u8_t*)p->payload;
+      msg_ptr += ofs - base;
+
+      while (raw_len > 1)
+      {
+        /* copy raw_len - 1 octets */
+        raw_len--;
+        *msg_ptr = *raw;
+        raw++;
+        ofs += 1;
+        if (ofs >= plen)
+        {
+          /* next octet in next pbuf */
+          p = p->next;
+          if (p == NULL) { return ERR_ARG; }
+          msg_ptr = (u8_t*)p->payload;
+          plen += p->len;
+        }
+        else
+        {
+          /* next octet in same pbuf */
+          msg_ptr++;
+        }
+      }
+      if (raw_len > 0)
+      {
+        /* copy last or single octet */
+        *msg_ptr = *raw;
+      }
+      return ERR_OK;
+    }
+    p = p->next;
+  }
+  /* p == NULL, ofs >= plen */
+  return ERR_ARG;
+}
+
+#endif /* LWIP_SNMP */
diff --git a/libraries/net/lwip/lwip/core/snmp/mib2.c b/libraries/net/lwip/lwip/core/snmp/mib2.c
new file mode 100644
index 0000000000..29decd306f
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/snmp/mib2.c
@@ -0,0 +1,4146 @@
+/**
+ * @file
+ * Management Information Base II (RFC1213) objects and functions.
+ *
+ * @note the object identifiers for this MIB-2 and private MIB tree
+ * must be kept in sorted ascending order. This to ensure correct getnext operation.
+ */
+
+/*
+ * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Christiaan Simons 
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/snmp.h"
+#include "lwip/netif.h"
+#include "lwip/ip.h"
+#include "lwip/ip_frag.h"
+#include "lwip/mem.h"
+#include "lwip/tcp_impl.h"
+#include "lwip/udp.h"
+#include "lwip/snmp_asn1.h"
+#include "lwip/snmp_structs.h"
+#include "lwip/sys.h"
+#include "netif/etharp.h"
+
+/**
+ * IANA assigned enterprise ID for lwIP is 26381
+ * @see http://www.iana.org/assignments/enterprise-numbers
+ *
+ * @note this enterprise ID is assigned to the lwIP project,
+ * all object identifiers living under this ID are assigned
+ * by the lwIP maintainers (contact Christiaan Simons)!
+ * @note don't change this define, use snmp_set_sysobjid()
+ *
+ * If you need to create your own private MIB you'll need
+ * to apply for your own enterprise ID with IANA:
+ * http://www.iana.org/numbers.html
+ */
+#define SNMP_ENTERPRISE_ID 26381
+#define SNMP_SYSOBJID_LEN 7
+#define SNMP_SYSOBJID {1, 3, 6, 1, 4, 1, SNMP_ENTERPRISE_ID}
+
+#ifndef SNMP_SYSSERVICES
+#define SNMP_SYSSERVICES ((1 << 6) | (1 << 3) | ((IP_FORWARD) << 2))
+#endif
+
+#ifndef SNMP_GET_SYSUPTIME
+#define SNMP_GET_SYSUPTIME(sysuptime)
+#endif
+
+static void system_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+static void system_get_value(struct obj_def *od, u16_t len, void *value);
+static u8_t system_set_test(struct obj_def *od, u16_t len, void *value);
+static void system_set_value(struct obj_def *od, u16_t len, void *value);
+static void interfaces_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+static void interfaces_get_value(struct obj_def *od, u16_t len, void *value);
+static void ifentry_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+static void ifentry_get_value(struct obj_def *od, u16_t len, void *value);
+#if !SNMP_SAFE_REQUESTS
+static u8_t ifentry_set_test (struct obj_def *od, u16_t len, void *value);
+static void ifentry_set_value (struct obj_def *od, u16_t len, void *value);
+#endif /* SNMP_SAFE_REQUESTS */
+static void atentry_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+static void atentry_get_value(struct obj_def *od, u16_t len, void *value);
+static void ip_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+static void ip_get_value(struct obj_def *od, u16_t len, void *value);
+static u8_t ip_set_test(struct obj_def *od, u16_t len, void *value);
+static void ip_addrentry_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+static void ip_addrentry_get_value(struct obj_def *od, u16_t len, void *value);
+static void ip_rteentry_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+static void ip_rteentry_get_value(struct obj_def *od, u16_t len, void *value);
+static void ip_ntomentry_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+static void ip_ntomentry_get_value(struct obj_def *od, u16_t len, void *value);
+static void icmp_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+static void icmp_get_value(struct obj_def *od, u16_t len, void *value);
+#if LWIP_TCP
+static void tcp_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+static void tcp_get_value(struct obj_def *od, u16_t len, void *value);
+#ifdef THIS_SEEMS_UNUSED
+static void tcpconnentry_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+static void tcpconnentry_get_value(struct obj_def *od, u16_t len, void *value);
+#endif
+#endif
+static void udp_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+static void udp_get_value(struct obj_def *od, u16_t len, void *value);
+static void udpentry_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+static void udpentry_get_value(struct obj_def *od, u16_t len, void *value);
+static void snmp_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+static void snmp_get_value(struct obj_def *od, u16_t len, void *value);
+static u8_t snmp_set_test(struct obj_def *od, u16_t len, void *value);
+static void snmp_set_value(struct obj_def *od, u16_t len, void *value);
+
+
+/* snmp .1.3.6.1.2.1.11 */
+const mib_scalar_node snmp_scalar = {
+  &snmp_get_object_def,
+  &snmp_get_value,
+  &snmp_set_test,
+  &snmp_set_value,
+  MIB_NODE_SC,
+  0
+};
+const s32_t snmp_ids[28] = {
+  1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16,
+  17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30
+};
+struct mib_node* const snmp_nodes[28] = {
+  (struct mib_node*)&snmp_scalar, (struct mib_node*)&snmp_scalar,
+  (struct mib_node*)&snmp_scalar, (struct mib_node*)&snmp_scalar,
+  (struct mib_node*)&snmp_scalar, (struct mib_node*)&snmp_scalar,
+  (struct mib_node*)&snmp_scalar, (struct mib_node*)&snmp_scalar,
+  (struct mib_node*)&snmp_scalar, (struct mib_node*)&snmp_scalar,
+  (struct mib_node*)&snmp_scalar, (struct mib_node*)&snmp_scalar,
+  (struct mib_node*)&snmp_scalar, (struct mib_node*)&snmp_scalar,
+  (struct mib_node*)&snmp_scalar, (struct mib_node*)&snmp_scalar,
+  (struct mib_node*)&snmp_scalar, (struct mib_node*)&snmp_scalar,
+  (struct mib_node*)&snmp_scalar, (struct mib_node*)&snmp_scalar,
+  (struct mib_node*)&snmp_scalar, (struct mib_node*)&snmp_scalar,
+  (struct mib_node*)&snmp_scalar, (struct mib_node*)&snmp_scalar,
+  (struct mib_node*)&snmp_scalar, (struct mib_node*)&snmp_scalar,
+  (struct mib_node*)&snmp_scalar, (struct mib_node*)&snmp_scalar
+};
+const struct mib_array_node snmp = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  28,
+  snmp_ids,
+  snmp_nodes
+};
+
+/* dot3 and EtherLike MIB not planned. (transmission .1.3.6.1.2.1.10) */
+/* historical (some say hysterical). (cmot .1.3.6.1.2.1.9) */
+/* lwIP has no EGP, thus may not implement it. (egp .1.3.6.1.2.1.8) */
+
+/* udp .1.3.6.1.2.1.7 */
+/** index root node for udpTable */
+struct mib_list_rootnode udp_root = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_LR,
+  0,
+  NULL,
+  NULL,
+  0
+};
+const s32_t udpentry_ids[2] = { 1, 2 };
+struct mib_node* const udpentry_nodes[2] = {
+  (struct mib_node*)&udp_root, (struct mib_node*)&udp_root,
+};
+const struct mib_array_node udpentry = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  2,
+  udpentry_ids,
+  udpentry_nodes
+};
+
+s32_t udptable_id = 1;
+struct mib_node* udptable_node = (struct mib_node*)&udpentry;
+struct mib_ram_array_node udptable = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_RA,
+  0,
+  &udptable_id,
+  &udptable_node
+};
+
+const mib_scalar_node udp_scalar = {
+  &udp_get_object_def,
+  &udp_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_SC,
+  0
+};
+const s32_t udp_ids[5] = { 1, 2, 3, 4, 5 };
+struct mib_node* const udp_nodes[5] = {
+  (struct mib_node*)&udp_scalar, (struct mib_node*)&udp_scalar,
+  (struct mib_node*)&udp_scalar, (struct mib_node*)&udp_scalar,
+  (struct mib_node*)&udptable
+};
+const struct mib_array_node udp = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  5,
+  udp_ids,
+  udp_nodes
+};
+
+/* tcp .1.3.6.1.2.1.6 */
+#if LWIP_TCP
+/* only if the TCP protocol is available may implement this group */
+/** index root node for tcpConnTable */
+struct mib_list_rootnode tcpconntree_root = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_LR,
+  0,
+  NULL,
+  NULL,
+  0
+};
+const s32_t tcpconnentry_ids[5] = { 1, 2, 3, 4, 5 };
+struct mib_node* const tcpconnentry_nodes[5] = {
+  (struct mib_node*)&tcpconntree_root, (struct mib_node*)&tcpconntree_root,
+  (struct mib_node*)&tcpconntree_root, (struct mib_node*)&tcpconntree_root,
+  (struct mib_node*)&tcpconntree_root
+};
+const struct mib_array_node tcpconnentry = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  5,
+  tcpconnentry_ids,
+  tcpconnentry_nodes
+};
+
+s32_t tcpconntable_id = 1;
+struct mib_node* tcpconntable_node = (struct mib_node*)&tcpconnentry;
+struct mib_ram_array_node tcpconntable = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_RA,
+/** @todo update maxlength when inserting / deleting from table
+   0 when table is empty, 1 when more than one entry */
+  0,
+  &tcpconntable_id,
+  &tcpconntable_node
+};
+
+const mib_scalar_node tcp_scalar = {
+  &tcp_get_object_def,
+  &tcp_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_SC,
+  0
+};
+const s32_t tcp_ids[15] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
+struct mib_node* const tcp_nodes[15] = {
+  (struct mib_node*)&tcp_scalar, (struct mib_node*)&tcp_scalar,
+  (struct mib_node*)&tcp_scalar, (struct mib_node*)&tcp_scalar,
+  (struct mib_node*)&tcp_scalar, (struct mib_node*)&tcp_scalar,
+  (struct mib_node*)&tcp_scalar, (struct mib_node*)&tcp_scalar,
+  (struct mib_node*)&tcp_scalar, (struct mib_node*)&tcp_scalar,
+  (struct mib_node*)&tcp_scalar, (struct mib_node*)&tcp_scalar,
+  (struct mib_node*)&tcpconntable, (struct mib_node*)&tcp_scalar,
+  (struct mib_node*)&tcp_scalar
+};
+const struct mib_array_node tcp = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  15,
+  tcp_ids,
+  tcp_nodes
+};
+#endif
+
+/* icmp .1.3.6.1.2.1.5 */
+const mib_scalar_node icmp_scalar = {
+  &icmp_get_object_def,
+  &icmp_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_SC,
+  0
+};
+const s32_t icmp_ids[26] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26 };
+struct mib_node* const icmp_nodes[26] = {
+  (struct mib_node*)&icmp_scalar, (struct mib_node*)&icmp_scalar,
+  (struct mib_node*)&icmp_scalar, (struct mib_node*)&icmp_scalar,
+  (struct mib_node*)&icmp_scalar, (struct mib_node*)&icmp_scalar,
+  (struct mib_node*)&icmp_scalar, (struct mib_node*)&icmp_scalar,
+  (struct mib_node*)&icmp_scalar, (struct mib_node*)&icmp_scalar,
+  (struct mib_node*)&icmp_scalar, (struct mib_node*)&icmp_scalar,
+  (struct mib_node*)&icmp_scalar, (struct mib_node*)&icmp_scalar,
+  (struct mib_node*)&icmp_scalar, (struct mib_node*)&icmp_scalar,
+  (struct mib_node*)&icmp_scalar, (struct mib_node*)&icmp_scalar,
+  (struct mib_node*)&icmp_scalar, (struct mib_node*)&icmp_scalar,
+  (struct mib_node*)&icmp_scalar, (struct mib_node*)&icmp_scalar,
+  (struct mib_node*)&icmp_scalar, (struct mib_node*)&icmp_scalar,
+  (struct mib_node*)&icmp_scalar, (struct mib_node*)&icmp_scalar
+};
+const struct mib_array_node icmp = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  26,
+  icmp_ids,
+  icmp_nodes
+};
+
+/** index root node for ipNetToMediaTable */
+struct mib_list_rootnode ipntomtree_root = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_LR,
+  0,
+  NULL,
+  NULL,
+  0
+};
+const s32_t ipntomentry_ids[4] = { 1, 2, 3, 4 };
+struct mib_node* const ipntomentry_nodes[4] = {
+  (struct mib_node*)&ipntomtree_root, (struct mib_node*)&ipntomtree_root,
+  (struct mib_node*)&ipntomtree_root, (struct mib_node*)&ipntomtree_root
+};
+const struct mib_array_node ipntomentry = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  4,
+  ipntomentry_ids,
+  ipntomentry_nodes
+};
+
+s32_t ipntomtable_id = 1;
+struct mib_node* ipntomtable_node = (struct mib_node*)&ipntomentry;
+struct mib_ram_array_node ipntomtable = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_RA,
+  0,
+  &ipntomtable_id,
+  &ipntomtable_node
+};
+
+/** index root node for ipRouteTable */
+struct mib_list_rootnode iprtetree_root = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_LR,
+  0,
+  NULL,
+  NULL,
+  0
+};
+const s32_t iprteentry_ids[13] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 };
+struct mib_node* const iprteentry_nodes[13] = {
+  (struct mib_node*)&iprtetree_root, (struct mib_node*)&iprtetree_root,
+  (struct mib_node*)&iprtetree_root, (struct mib_node*)&iprtetree_root,
+  (struct mib_node*)&iprtetree_root, (struct mib_node*)&iprtetree_root,
+  (struct mib_node*)&iprtetree_root, (struct mib_node*)&iprtetree_root,
+  (struct mib_node*)&iprtetree_root, (struct mib_node*)&iprtetree_root,
+  (struct mib_node*)&iprtetree_root, (struct mib_node*)&iprtetree_root,
+  (struct mib_node*)&iprtetree_root
+};
+const struct mib_array_node iprteentry = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  13,
+  iprteentry_ids,
+  iprteentry_nodes
+};
+
+s32_t iprtetable_id = 1;
+struct mib_node* iprtetable_node = (struct mib_node*)&iprteentry;
+struct mib_ram_array_node iprtetable = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_RA,
+  0,
+  &iprtetable_id,
+  &iprtetable_node
+};
+
+/** index root node for ipAddrTable */
+struct mib_list_rootnode ipaddrtree_root = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_LR,
+  0,
+  NULL,
+  NULL,
+  0
+};
+const s32_t ipaddrentry_ids[5] = { 1, 2, 3, 4, 5 };
+struct mib_node* const ipaddrentry_nodes[5] = {
+  (struct mib_node*)&ipaddrtree_root,
+  (struct mib_node*)&ipaddrtree_root,
+  (struct mib_node*)&ipaddrtree_root,
+  (struct mib_node*)&ipaddrtree_root,
+  (struct mib_node*)&ipaddrtree_root
+};
+const struct mib_array_node ipaddrentry = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  5,
+  ipaddrentry_ids,
+  ipaddrentry_nodes
+};
+
+s32_t ipaddrtable_id = 1;
+struct mib_node* ipaddrtable_node = (struct mib_node*)&ipaddrentry;
+struct mib_ram_array_node ipaddrtable = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_RA,
+  0,
+  &ipaddrtable_id,
+  &ipaddrtable_node
+};
+
+/* ip .1.3.6.1.2.1.4 */
+const mib_scalar_node ip_scalar = {
+  &ip_get_object_def,
+  &ip_get_value,
+  &ip_set_test,
+  &noleafs_set_value,
+  MIB_NODE_SC,
+  0
+};
+const s32_t ip_ids[23] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 };
+struct mib_node* const ip_nodes[23] = {
+  (struct mib_node*)&ip_scalar, (struct mib_node*)&ip_scalar,
+  (struct mib_node*)&ip_scalar, (struct mib_node*)&ip_scalar,
+  (struct mib_node*)&ip_scalar, (struct mib_node*)&ip_scalar,
+  (struct mib_node*)&ip_scalar, (struct mib_node*)&ip_scalar,
+  (struct mib_node*)&ip_scalar, (struct mib_node*)&ip_scalar,
+  (struct mib_node*)&ip_scalar, (struct mib_node*)&ip_scalar,
+  (struct mib_node*)&ip_scalar, (struct mib_node*)&ip_scalar,
+  (struct mib_node*)&ip_scalar, (struct mib_node*)&ip_scalar,
+  (struct mib_node*)&ip_scalar, (struct mib_node*)&ip_scalar,
+  (struct mib_node*)&ip_scalar, (struct mib_node*)&ipaddrtable,
+  (struct mib_node*)&iprtetable, (struct mib_node*)&ipntomtable,
+  (struct mib_node*)&ip_scalar
+};
+const struct mib_array_node mib2_ip = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  23,
+  ip_ids,
+  ip_nodes
+};
+
+/** index root node for atTable */
+struct mib_list_rootnode arptree_root = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_LR,
+  0,
+  NULL,
+  NULL,
+  0
+};
+const s32_t atentry_ids[3] = { 1, 2, 3 };
+struct mib_node* const atentry_nodes[3] = {
+  (struct mib_node*)&arptree_root,
+  (struct mib_node*)&arptree_root,
+  (struct mib_node*)&arptree_root
+};
+const struct mib_array_node atentry = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  3,
+  atentry_ids,
+  atentry_nodes
+};
+
+const s32_t attable_id = 1;
+struct mib_node* const attable_node = (struct mib_node*)&atentry;
+const struct mib_array_node attable = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  1,
+  &attable_id,
+  &attable_node
+};
+
+/* at .1.3.6.1.2.1.3 */
+s32_t at_id = 1;
+struct mib_node* mib2_at_node = (struct mib_node*)&attable;
+struct mib_ram_array_node at = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_RA,
+  0,
+  &at_id,
+  &mib2_at_node
+};
+
+/** index root node for ifTable */
+struct mib_list_rootnode iflist_root = {
+  &ifentry_get_object_def,
+  &ifentry_get_value,
+#if SNMP_SAFE_REQUESTS
+  &noleafs_set_test,
+  &noleafs_set_value,
+#else /* SNMP_SAFE_REQUESTS */
+  &ifentry_set_test,
+  &ifentry_set_value,
+#endif /* SNMP_SAFE_REQUESTS */
+  MIB_NODE_LR,
+  0,
+  NULL,
+  NULL,
+  0
+};
+const s32_t ifentry_ids[22] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 };
+struct mib_node* const ifentry_nodes[22] = {
+  (struct mib_node*)&iflist_root, (struct mib_node*)&iflist_root,
+  (struct mib_node*)&iflist_root, (struct mib_node*)&iflist_root,
+  (struct mib_node*)&iflist_root, (struct mib_node*)&iflist_root,
+  (struct mib_node*)&iflist_root, (struct mib_node*)&iflist_root,
+  (struct mib_node*)&iflist_root, (struct mib_node*)&iflist_root,
+  (struct mib_node*)&iflist_root, (struct mib_node*)&iflist_root,
+  (struct mib_node*)&iflist_root, (struct mib_node*)&iflist_root,
+  (struct mib_node*)&iflist_root, (struct mib_node*)&iflist_root,
+  (struct mib_node*)&iflist_root, (struct mib_node*)&iflist_root,
+  (struct mib_node*)&iflist_root, (struct mib_node*)&iflist_root,
+  (struct mib_node*)&iflist_root, (struct mib_node*)&iflist_root
+};
+const struct mib_array_node ifentry = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  22,
+  ifentry_ids,
+  ifentry_nodes
+};
+
+s32_t iftable_id = 1;
+struct mib_node* iftable_node = (struct mib_node*)&ifentry;
+struct mib_ram_array_node iftable = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_RA,
+  0,
+  &iftable_id,
+  &iftable_node
+};
+
+/* interfaces .1.3.6.1.2.1.2 */
+const mib_scalar_node interfaces_scalar = {
+  &interfaces_get_object_def,
+  &interfaces_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_SC,
+  0
+};
+const s32_t interfaces_ids[2] = { 1, 2 };
+struct mib_node* const interfaces_nodes[2] = {
+  (struct mib_node*)&interfaces_scalar, (struct mib_node*)&iftable
+};
+const struct mib_array_node interfaces = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  2,
+  interfaces_ids,
+  interfaces_nodes
+};
+
+
+/*             0 1 2 3 4 5 6 */
+/* system .1.3.6.1.2.1.1 */
+const mib_scalar_node sys_tem_scalar = {
+  &system_get_object_def,
+  &system_get_value,
+  &system_set_test,
+  &system_set_value,
+  MIB_NODE_SC,
+  0
+};
+const s32_t sys_tem_ids[7] = { 1, 2, 3, 4, 5, 6, 7 };
+struct mib_node* const sys_tem_nodes[7] = {
+  (struct mib_node*)&sys_tem_scalar, (struct mib_node*)&sys_tem_scalar,
+  (struct mib_node*)&sys_tem_scalar, (struct mib_node*)&sys_tem_scalar,
+  (struct mib_node*)&sys_tem_scalar, (struct mib_node*)&sys_tem_scalar,
+  (struct mib_node*)&sys_tem_scalar
+};
+/* work around name issue with 'sys_tem', some compiler(s?) seem to reserve 'system' */
+const struct mib_array_node sys_tem = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  7,
+  sys_tem_ids,
+  sys_tem_nodes
+};
+
+/* mib-2 .1.3.6.1.2.1 */
+#if LWIP_TCP
+#define MIB2_GROUPS 8
+#else
+#define MIB2_GROUPS 7
+#endif
+const s32_t mib2_ids[MIB2_GROUPS] =
+{
+  1,
+  2,
+  3,
+  4,
+  5,
+#if LWIP_TCP
+  6,
+#endif
+  7,
+  11
+};
+struct mib_node* const mib2_nodes[MIB2_GROUPS] = {
+  (struct mib_node*)&sys_tem,
+  (struct mib_node*)&interfaces,
+  (struct mib_node*)&at,
+  (struct mib_node*)&mib2_ip,
+  (struct mib_node*)&icmp,
+#if LWIP_TCP
+  (struct mib_node*)&tcp,
+#endif
+  (struct mib_node*)&udp,
+  (struct mib_node*)&snmp
+};
+
+const struct mib_array_node mib2 = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  MIB2_GROUPS,
+  mib2_ids,
+  mib2_nodes
+};
+
+/* mgmt .1.3.6.1.2 */
+const s32_t mgmt_ids[1] = { 1 };
+struct mib_node* const mgmt_nodes[1] = { (struct mib_node*)&mib2 };
+const struct mib_array_node mgmt = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  1,
+  mgmt_ids,
+  mgmt_nodes
+};
+
+/* internet .1.3.6.1 */
+#if SNMP_PRIVATE_MIB
+/* When using a private MIB, you have to create a file 'private_mib.h' that contains
+ * a 'struct mib_array_node mib_private' which contains your MIB. */
+s32_t internet_ids[2] = { 2, 4 };
+struct mib_node* const internet_nodes[2] = { (struct mib_node*)&mgmt, (struct mib_node*)&mib_private };
+const struct mib_array_node internet = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  2,
+  internet_ids,
+  internet_nodes
+};
+#else
+const s32_t internet_ids[1] = { 2 };
+struct mib_node* const internet_nodes[1] = { (struct mib_node*)&mgmt };
+const struct mib_array_node internet = {
+  &noleafs_get_object_def,
+  &noleafs_get_value,
+  &noleafs_set_test,
+  &noleafs_set_value,
+  MIB_NODE_AR,
+  1,
+  internet_ids,
+  internet_nodes
+};
+#endif
+
+/** mib-2.system.sysObjectID  */
+static struct snmp_obj_id sysobjid = {SNMP_SYSOBJID_LEN, SNMP_SYSOBJID};
+/** enterprise ID for generic TRAPs, .iso.org.dod.internet.mgmt.mib-2.snmp */
+static struct snmp_obj_id snmpgrp_id = {7,{1,3,6,1,2,1,11}};
+/** mib-2.system.sysServices */
+static const s32_t sysservices = SNMP_SYSSERVICES;
+
+/** mib-2.system.sysDescr */
+static const u8_t sysdescr_len_default = 4;
+static const u8_t sysdescr_default[] = "lwIP";
+static u8_t* sysdescr_len_ptr = (u8_t*)&sysdescr_len_default;
+static u8_t* sysdescr_ptr = (u8_t*)&sysdescr_default[0];
+/** mib-2.system.sysContact */
+static const u8_t syscontact_len_default = 0;
+static const u8_t syscontact_default[] = "";
+static u8_t* syscontact_len_ptr = (u8_t*)&syscontact_len_default;
+static u8_t* syscontact_ptr = (u8_t*)&syscontact_default[0];
+/** mib-2.system.sysName */
+static const u8_t sysname_len_default = 8;
+static const u8_t sysname_default[] = "FQDN-unk";
+static u8_t* sysname_len_ptr = (u8_t*)&sysname_len_default;
+static u8_t* sysname_ptr = (u8_t*)&sysname_default[0];
+/** mib-2.system.sysLocation */
+static const u8_t syslocation_len_default = 0;
+static const u8_t syslocation_default[] = "";
+static u8_t* syslocation_len_ptr = (u8_t*)&syslocation_len_default;
+static u8_t* syslocation_ptr = (u8_t*)&syslocation_default[0];
+/** mib-2.snmp.snmpEnableAuthenTraps */
+static const u8_t snmpenableauthentraps_default = 2; /* disabled */
+static u8_t* snmpenableauthentraps_ptr = (u8_t*)&snmpenableauthentraps_default;
+
+/** mib-2.interfaces.ifTable.ifEntry.ifSpecific (zeroDotZero) */
+static const struct snmp_obj_id ifspecific = {2, {0, 0}};
+/** mib-2.ip.ipRouteTable.ipRouteEntry.ipRouteInfo (zeroDotZero) */
+static const struct snmp_obj_id iprouteinfo = {2, {0, 0}};
+
+
+
+/* mib-2.system counter(s) */
+static u32_t sysuptime = 0;
+
+/* mib-2.ip counter(s) */
+static u32_t ipinreceives = 0,
+             ipinhdrerrors = 0,
+             ipinaddrerrors = 0,
+             ipforwdatagrams = 0,
+             ipinunknownprotos = 0,
+             ipindiscards = 0,
+             ipindelivers = 0,
+             ipoutrequests = 0,
+             ipoutdiscards = 0,
+             ipoutnoroutes = 0,
+             ipreasmreqds = 0,
+             ipreasmoks = 0,
+             ipreasmfails = 0,
+             ipfragoks = 0,
+             ipfragfails = 0,
+             ipfragcreates = 0,
+             iproutingdiscards = 0;
+/* mib-2.icmp counter(s) */
+static u32_t icmpinmsgs = 0,
+             icmpinerrors = 0,
+             icmpindestunreachs = 0,
+             icmpintimeexcds = 0,
+             icmpinparmprobs = 0,
+             icmpinsrcquenchs = 0,
+             icmpinredirects = 0,
+             icmpinechos = 0,
+             icmpinechoreps = 0,
+             icmpintimestamps = 0,
+             icmpintimestampreps = 0,
+             icmpinaddrmasks = 0,
+             icmpinaddrmaskreps = 0,
+             icmpoutmsgs = 0,
+             icmpouterrors = 0,
+             icmpoutdestunreachs = 0,
+             icmpouttimeexcds = 0,
+             icmpoutparmprobs = 0,
+             icmpoutsrcquenchs = 0,
+             icmpoutredirects = 0,
+             icmpoutechos = 0,
+             icmpoutechoreps = 0,
+             icmpouttimestamps = 0,
+             icmpouttimestampreps = 0,
+             icmpoutaddrmasks = 0,
+             icmpoutaddrmaskreps = 0;
+/* mib-2.tcp counter(s) */
+static u32_t tcpactiveopens = 0,
+             tcppassiveopens = 0,
+             tcpattemptfails = 0,
+             tcpestabresets = 0,
+             tcpinsegs = 0,
+             tcpoutsegs = 0,
+             tcpretranssegs = 0,
+             tcpinerrs = 0,
+             tcpoutrsts = 0;
+/* mib-2.udp counter(s) */
+static u32_t udpindatagrams = 0,
+             udpnoports = 0,
+             udpinerrors = 0,
+             udpoutdatagrams = 0;
+/* mib-2.snmp counter(s) */
+static u32_t snmpinpkts = 0,
+             snmpoutpkts = 0,
+             snmpinbadversions = 0,
+             snmpinbadcommunitynames = 0,
+             snmpinbadcommunityuses = 0,
+             snmpinasnparseerrs = 0,
+             snmpintoobigs = 0,
+             snmpinnosuchnames = 0,
+             snmpinbadvalues = 0,
+             snmpinreadonlys = 0,
+             snmpingenerrs = 0,
+             snmpintotalreqvars = 0,
+             snmpintotalsetvars = 0,
+             snmpingetrequests = 0,
+             snmpingetnexts = 0,
+             snmpinsetrequests = 0,
+             snmpingetresponses = 0,
+             snmpintraps = 0,
+             snmpouttoobigs = 0,
+             snmpoutnosuchnames = 0,
+             snmpoutbadvalues = 0,
+             snmpoutgenerrs = 0,
+             snmpoutgetrequests = 0,
+             snmpoutgetnexts = 0,
+             snmpoutsetrequests = 0,
+             snmpoutgetresponses = 0,
+             snmpouttraps = 0;
+
+
+
+/* prototypes of the following functions are in lwip/src/include/lwip/snmp.h */
+/**
+ * Copy octet string.
+ *
+ * @param dst points to destination
+ * @param src points to source
+ * @param n number of octets to copy.
+ */
+static void ocstrncpy(u8_t *dst, u8_t *src, u16_t n)
+{
+  u16_t i = n;
+  while (i > 0) {
+    i--;
+    *dst++ = *src++;
+  }
+}
+
+/**
+ * Copy object identifier (s32_t) array.
+ *
+ * @param dst points to destination
+ * @param src points to source
+ * @param n number of sub identifiers to copy.
+ */
+void objectidncpy(s32_t *dst, s32_t *src, u8_t n)
+{
+  u8_t i = n;
+  while(i > 0) {
+    i--;
+    *dst++ = *src++;
+  }
+}
+
+/**
+ * Initializes sysDescr pointers.
+ *
+ * @param str if non-NULL then copy str pointer
+ * @param len points to string length, excluding zero terminator
+ */
+void snmp_set_sysdesr(u8_t *str, u8_t *len)
+{
+  if (str != NULL)
+  {
+    sysdescr_ptr = str;
+    sysdescr_len_ptr = len;
+  }
+}
+
+void snmp_get_sysobjid_ptr(struct snmp_obj_id **oid)
+{
+  *oid = &sysobjid;
+}
+
+/**
+ * Initializes sysObjectID value.
+ *
+ * @param oid points to stuct snmp_obj_id to copy
+ */
+void snmp_set_sysobjid(struct snmp_obj_id *oid)
+{
+  sysobjid = *oid;
+}
+
+/**
+ * Must be called at regular 10 msec interval from a timer interrupt
+ * or signal handler depending on your runtime environment.
+ */
+void snmp_inc_sysuptime(void)
+{
+  sysuptime++;
+}
+
+void snmp_add_sysuptime(u32_t value)
+{
+  sysuptime+=value;
+}
+
+void snmp_get_sysuptime(u32_t *value)
+{
+  SNMP_GET_SYSUPTIME(sysuptime);
+  *value = sysuptime;
+}
+
+/**
+ * Initializes sysContact pointers,
+ * e.g. ptrs to non-volatile memory external to lwIP.
+ *
+ * @param ocstr if non-NULL then copy str pointer
+ * @param ocstrlen points to string length, excluding zero terminator
+ */
+void snmp_set_syscontact(u8_t *ocstr, u8_t *ocstrlen)
+{
+  if (ocstr != NULL)
+  {
+    syscontact_ptr = ocstr;
+    syscontact_len_ptr = ocstrlen;
+  }
+}
+
+/**
+ * Initializes sysName pointers,
+ * e.g. ptrs to non-volatile memory external to lwIP.
+ *
+ * @param ocstr if non-NULL then copy str pointer
+ * @param ocstrlen points to string length, excluding zero terminator
+ */
+void snmp_set_sysname(u8_t *ocstr, u8_t *ocstrlen)
+{
+  if (ocstr != NULL)
+  {
+    sysname_ptr = ocstr;
+    sysname_len_ptr = ocstrlen;
+  }
+}
+
+/**
+ * Initializes sysLocation pointers,
+ * e.g. ptrs to non-volatile memory external to lwIP.
+ *
+ * @param ocstr if non-NULL then copy str pointer
+ * @param ocstrlen points to string length, excluding zero terminator
+ */
+void snmp_set_syslocation(u8_t *ocstr, u8_t *ocstrlen)
+{
+  if (ocstr != NULL)
+  {
+    syslocation_ptr = ocstr;
+    syslocation_len_ptr = ocstrlen;
+  }
+}
+
+
+void snmp_add_ifinoctets(struct netif *ni, u32_t value)
+{
+  ni->ifinoctets += value;
+}
+
+void snmp_inc_ifinucastpkts(struct netif *ni)
+{
+  (ni->ifinucastpkts)++;
+}
+
+void snmp_inc_ifinnucastpkts(struct netif *ni)
+{
+  (ni->ifinnucastpkts)++;
+}
+
+void snmp_inc_ifindiscards(struct netif *ni)
+{
+  (ni->ifindiscards)++;
+}
+
+void snmp_add_ifoutoctets(struct netif *ni, u32_t value)
+{
+  ni->ifoutoctets += value;
+}
+
+void snmp_inc_ifoutucastpkts(struct netif *ni)
+{
+  (ni->ifoutucastpkts)++;
+}
+
+void snmp_inc_ifoutnucastpkts(struct netif *ni)
+{
+  (ni->ifoutnucastpkts)++;
+}
+
+void snmp_inc_ifoutdiscards(struct netif *ni)
+{
+  (ni->ifoutdiscards)++;
+}
+
+void snmp_inc_iflist(void)
+{
+  struct mib_list_node *if_node = NULL;
+
+  snmp_mib_node_insert(&iflist_root, iflist_root.count + 1, &if_node);
+  /* enable getnext traversal on filled table */
+  iftable.maxlength = 1;
+}
+
+void snmp_dec_iflist(void)
+{
+  snmp_mib_node_delete(&iflist_root, iflist_root.tail);
+  /* disable getnext traversal on empty table */
+  if(iflist_root.count == 0) iftable.maxlength = 0;
+}
+
+/**
+ * Inserts ARP table indexes (.xIfIndex.xNetAddress)
+ * into arp table index trees (both atTable and ipNetToMediaTable).
+ */
+void snmp_insert_arpidx_tree(struct netif *ni, ip_addr_t *ip)
+{
+  struct mib_list_rootnode *at_rn;
+  struct mib_list_node *at_node;
+  s32_t arpidx[5];
+  u8_t level, tree;
+
+  LWIP_ASSERT("ni != NULL", ni != NULL);
+  snmp_netiftoifindex(ni, &arpidx[0]);
+  snmp_iptooid(ip, &arpidx[1]);
+
+  for (tree = 0; tree < 2; tree++)
+  {
+    if (tree == 0)
+    {
+      at_rn = &arptree_root;
+    }
+    else
+    {
+      at_rn = &ipntomtree_root;
+    }
+    for (level = 0; level < 5; level++)
+    {
+      at_node = NULL;
+      snmp_mib_node_insert(at_rn, arpidx[level], &at_node);
+      if ((level != 4) && (at_node != NULL))
+      {
+        if (at_node->nptr == NULL)
+        {
+          at_rn = snmp_mib_lrn_alloc();
+          at_node->nptr = (struct mib_node*)at_rn;
+          if (at_rn != NULL)
+          {
+            if (level == 3)
+            {
+              if (tree == 0)
+              {
+                at_rn->get_object_def = atentry_get_object_def;
+                at_rn->get_value = atentry_get_value;
+              }
+              else
+              {
+                at_rn->get_object_def = ip_ntomentry_get_object_def;
+                at_rn->get_value = ip_ntomentry_get_value;
+              }
+              at_rn->set_test = noleafs_set_test;
+              at_rn->set_value = noleafs_set_value;
+            }
+          }
+          else
+          {
+            /* at_rn == NULL, malloc failure */
+            LWIP_DEBUGF(SNMP_MIB_DEBUG,("snmp_insert_arpidx_tree() insert failed, mem full"));
+            break;
+          }
+        }
+        else
+        {
+          at_rn = (struct mib_list_rootnode*)at_node->nptr;
+        }
+      }
+    }
+  }
+  /* enable getnext traversal on filled tables */
+  at.maxlength = 1;
+  ipntomtable.maxlength = 1;
+}
+
+/**
+ * Removes ARP table indexes (.xIfIndex.xNetAddress)
+ * from arp table index trees.
+ */
+void snmp_delete_arpidx_tree(struct netif *ni, ip_addr_t *ip)
+{
+  struct mib_list_rootnode *at_rn, *next, *del_rn[5];
+  struct mib_list_node *at_n, *del_n[5];
+  s32_t arpidx[5];
+  u8_t fc, tree, level, del_cnt;
+
+  snmp_netiftoifindex(ni, &arpidx[0]);
+  snmp_iptooid(ip, &arpidx[1]);
+
+  for (tree = 0; tree < 2; tree++)
+  {
+    /* mark nodes for deletion */
+    if (tree == 0)
+    {
+      at_rn = &arptree_root;
+    }
+    else
+    {
+      at_rn = &ipntomtree_root;
+    }
+    level = 0;
+    del_cnt = 0;
+    while ((level < 5) && (at_rn != NULL))
+    {
+      fc = snmp_mib_node_find(at_rn, arpidx[level], &at_n);
+      if (fc == 0)
+      {
+        /* arpidx[level] does not exist */
+        del_cnt = 0;
+        at_rn = NULL;
+      }
+      else if (fc == 1)
+      {
+        del_rn[del_cnt] = at_rn;
+        del_n[del_cnt] = at_n;
+        del_cnt++;
+        at_rn = (struct mib_list_rootnode*)(at_n->nptr);
+      }
+      else if (fc == 2)
+      {
+        /* reset delete (2 or more childs) */
+        del_cnt = 0;
+        at_rn = (struct mib_list_rootnode*)(at_n->nptr);
+      }
+      level++;
+    }
+    /* delete marked index nodes */
+    while (del_cnt > 0)
+    {
+      del_cnt--;
+
+      at_rn = del_rn[del_cnt];
+      at_n = del_n[del_cnt];
+
+      next = snmp_mib_node_delete(at_rn, at_n);
+      if (next != NULL)
+      {
+        LWIP_ASSERT("next_count == 0",next->count == 0);
+        snmp_mib_lrn_free(next);
+      }
+    }
+  }
+  /* disable getnext traversal on empty tables */
+  if(arptree_root.count == 0) at.maxlength = 0;
+  if(ipntomtree_root.count == 0) ipntomtable.maxlength = 0;
+}
+
+void snmp_inc_ipinreceives(void)
+{
+  ipinreceives++;
+}
+
+void snmp_inc_ipinhdrerrors(void)
+{
+  ipinhdrerrors++;
+}
+
+void snmp_inc_ipinaddrerrors(void)
+{
+  ipinaddrerrors++;
+}
+
+void snmp_inc_ipforwdatagrams(void)
+{
+  ipforwdatagrams++;
+}
+
+void snmp_inc_ipinunknownprotos(void)
+{
+  ipinunknownprotos++;
+}
+
+void snmp_inc_ipindiscards(void)
+{
+  ipindiscards++;
+}
+
+void snmp_inc_ipindelivers(void)
+{
+  ipindelivers++;
+}
+
+void snmp_inc_ipoutrequests(void)
+{
+  ipoutrequests++;
+}
+
+void snmp_inc_ipoutdiscards(void)
+{
+  ipoutdiscards++;
+}
+
+void snmp_inc_ipoutnoroutes(void)
+{
+  ipoutnoroutes++;
+}
+
+void snmp_inc_ipreasmreqds(void)
+{
+  ipreasmreqds++;
+}
+
+void snmp_inc_ipreasmoks(void)
+{
+  ipreasmoks++;
+}
+
+void snmp_inc_ipreasmfails(void)
+{
+  ipreasmfails++;
+}
+
+void snmp_inc_ipfragoks(void)
+{
+  ipfragoks++;
+}
+
+void snmp_inc_ipfragfails(void)
+{
+  ipfragfails++;
+}
+
+void snmp_inc_ipfragcreates(void)
+{
+  ipfragcreates++;
+}
+
+void snmp_inc_iproutingdiscards(void)
+{
+  iproutingdiscards++;
+}
+
+/**
+ * Inserts ipAddrTable indexes (.ipAdEntAddr)
+ * into index tree.
+ */
+void snmp_insert_ipaddridx_tree(struct netif *ni)
+{
+  struct mib_list_rootnode *ipa_rn;
+  struct mib_list_node *ipa_node;
+  s32_t ipaddridx[4];
+  u8_t level;
+
+  LWIP_ASSERT("ni != NULL", ni != NULL);
+  snmp_iptooid(&ni->ip_addr, &ipaddridx[0]);
+
+  level = 0;
+  ipa_rn = &ipaddrtree_root;
+  while (level < 4)
+  {
+    ipa_node = NULL;
+    snmp_mib_node_insert(ipa_rn, ipaddridx[level], &ipa_node);
+    if ((level != 3) && (ipa_node != NULL))
+    {
+      if (ipa_node->nptr == NULL)
+      {
+        ipa_rn = snmp_mib_lrn_alloc();
+        ipa_node->nptr = (struct mib_node*)ipa_rn;
+        if (ipa_rn != NULL)
+        {
+          if (level == 2)
+          {
+            ipa_rn->get_object_def = ip_addrentry_get_object_def;
+            ipa_rn->get_value = ip_addrentry_get_value;
+            ipa_rn->set_test = noleafs_set_test;
+            ipa_rn->set_value = noleafs_set_value;
+          }
+        }
+        else
+        {
+          /* ipa_rn == NULL, malloc failure */
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("snmp_insert_ipaddridx_tree() insert failed, mem full"));
+          break;
+        }
+      }
+      else
+      {
+        ipa_rn = (struct mib_list_rootnode*)ipa_node->nptr;
+      }
+    }
+    level++;
+  }
+  /* enable getnext traversal on filled table */
+  ipaddrtable.maxlength = 1;
+}
+
+/**
+ * Removes ipAddrTable indexes (.ipAdEntAddr)
+ * from index tree.
+ */
+void snmp_delete_ipaddridx_tree(struct netif *ni)
+{
+  struct mib_list_rootnode *ipa_rn, *next, *del_rn[4];
+  struct mib_list_node *ipa_n, *del_n[4];
+  s32_t ipaddridx[4];
+  u8_t fc, level, del_cnt;
+
+  LWIP_ASSERT("ni != NULL", ni != NULL);
+  snmp_iptooid(&ni->ip_addr, &ipaddridx[0]);
+
+  /* mark nodes for deletion */
+  level = 0;
+  del_cnt = 0;
+  ipa_rn = &ipaddrtree_root;
+  while ((level < 4) && (ipa_rn != NULL))
+  {
+    fc = snmp_mib_node_find(ipa_rn, ipaddridx[level], &ipa_n);
+    if (fc == 0)
+    {
+      /* ipaddridx[level] does not exist */
+      del_cnt = 0;
+      ipa_rn = NULL;
+    }
+    else if (fc == 1)
+    {
+      del_rn[del_cnt] = ipa_rn;
+      del_n[del_cnt] = ipa_n;
+      del_cnt++;
+      ipa_rn = (struct mib_list_rootnode*)(ipa_n->nptr);
+    }
+    else if (fc == 2)
+    {
+      /* reset delete (2 or more childs) */
+      del_cnt = 0;
+      ipa_rn = (struct mib_list_rootnode*)(ipa_n->nptr);
+    }
+    level++;
+  }
+  /* delete marked index nodes */
+  while (del_cnt > 0)
+  {
+    del_cnt--;
+
+    ipa_rn = del_rn[del_cnt];
+    ipa_n = del_n[del_cnt];
+
+    next = snmp_mib_node_delete(ipa_rn, ipa_n);
+    if (next != NULL)
+    {
+      LWIP_ASSERT("next_count == 0",next->count == 0);
+      snmp_mib_lrn_free(next);
+    }
+  }
+  /* disable getnext traversal on empty table */
+  if (ipaddrtree_root.count == 0) ipaddrtable.maxlength = 0;
+}
+
+/**
+ * Inserts ipRouteTable indexes (.ipRouteDest)
+ * into index tree.
+ *
+ * @param dflt non-zero for the default rte, zero for network rte
+ * @param ni points to network interface for this rte
+ *
+ * @todo record sysuptime for _this_ route when it is installed
+ *   (needed for ipRouteAge) in the netif.
+ */
+void snmp_insert_iprteidx_tree(u8_t dflt, struct netif *ni)
+{
+  u8_t insert = 0;
+  ip_addr_t dst;
+
+  if (dflt != 0)
+  {
+    /* the default route 0.0.0.0 */
+    ip_addr_set_any(&dst);
+    insert = 1;
+  }
+  else
+  {
+    /* route to the network address */
+    ip_addr_get_network(&dst, &ni->ip_addr, &ni->netmask);
+    /* exclude 0.0.0.0 network (reserved for default rte) */
+    if (!ip_addr_isany(&dst)) {
+      insert = 1;
+    }
+  }
+  if (insert)
+  {
+    struct mib_list_rootnode *iprte_rn;
+    struct mib_list_node *iprte_node;
+    s32_t iprteidx[4];
+    u8_t level;
+
+    snmp_iptooid(&dst, &iprteidx[0]);
+    level = 0;
+    iprte_rn = &iprtetree_root;
+    while (level < 4)
+    {
+      iprte_node = NULL;
+      snmp_mib_node_insert(iprte_rn, iprteidx[level], &iprte_node);
+      if ((level != 3) && (iprte_node != NULL))
+      {
+        if (iprte_node->nptr == NULL)
+        {
+          iprte_rn = snmp_mib_lrn_alloc();
+          iprte_node->nptr = (struct mib_node*)iprte_rn;
+          if (iprte_rn != NULL)
+          {
+            if (level == 2)
+            {
+              iprte_rn->get_object_def = ip_rteentry_get_object_def;
+              iprte_rn->get_value = ip_rteentry_get_value;
+              iprte_rn->set_test = noleafs_set_test;
+              iprte_rn->set_value = noleafs_set_value;
+            }
+          }
+          else
+          {
+            /* iprte_rn == NULL, malloc failure */
+            LWIP_DEBUGF(SNMP_MIB_DEBUG,("snmp_insert_iprteidx_tree() insert failed, mem full"));
+            break;
+          }
+        }
+        else
+        {
+          iprte_rn = (struct mib_list_rootnode*)iprte_node->nptr;
+        }
+      }
+      level++;
+    }
+  }
+  /* enable getnext traversal on filled table */
+  iprtetable.maxlength = 1;
+}
+
+/**
+ * Removes ipRouteTable indexes (.ipRouteDest)
+ * from index tree.
+ *
+ * @param dflt non-zero for the default rte, zero for network rte
+ * @param ni points to network interface for this rte or NULL
+ *   for default route to be removed.
+ */
+void snmp_delete_iprteidx_tree(u8_t dflt, struct netif *ni)
+{
+  u8_t del = 0;
+  ip_addr_t dst;
+
+  if (dflt != 0)
+  {
+    /* the default route 0.0.0.0 */
+    ip_addr_set_any(&dst);
+    del = 1;
+  }
+  else
+  {
+    /* route to the network address */
+    ip_addr_get_network(&dst, &ni->ip_addr, &ni->netmask);
+    /* exclude 0.0.0.0 network (reserved for default rte) */
+    if (!ip_addr_isany(&dst)) {
+      del = 1;
+    }
+  }
+  if (del)
+  {
+    struct mib_list_rootnode *iprte_rn, *next, *del_rn[4];
+    struct mib_list_node *iprte_n, *del_n[4];
+    s32_t iprteidx[4];
+    u8_t fc, level, del_cnt;
+
+    snmp_iptooid(&dst, &iprteidx[0]);
+    /* mark nodes for deletion */
+    level = 0;
+    del_cnt = 0;
+    iprte_rn = &iprtetree_root;
+    while ((level < 4) && (iprte_rn != NULL))
+    {
+      fc = snmp_mib_node_find(iprte_rn, iprteidx[level], &iprte_n);
+      if (fc == 0)
+      {
+        /* iprteidx[level] does not exist */
+        del_cnt = 0;
+        iprte_rn = NULL;
+      }
+      else if (fc == 1)
+      {
+        del_rn[del_cnt] = iprte_rn;
+        del_n[del_cnt] = iprte_n;
+        del_cnt++;
+        iprte_rn = (struct mib_list_rootnode*)(iprte_n->nptr);
+      }
+      else if (fc == 2)
+      {
+        /* reset delete (2 or more childs) */
+        del_cnt = 0;
+        iprte_rn = (struct mib_list_rootnode*)(iprte_n->nptr);
+      }
+      level++;
+    }
+    /* delete marked index nodes */
+    while (del_cnt > 0)
+    {
+      del_cnt--;
+
+      iprte_rn = del_rn[del_cnt];
+      iprte_n = del_n[del_cnt];
+
+      next = snmp_mib_node_delete(iprte_rn, iprte_n);
+      if (next != NULL)
+      {
+        LWIP_ASSERT("next_count == 0",next->count == 0);
+        snmp_mib_lrn_free(next);
+      }
+    }
+  }
+  /* disable getnext traversal on empty table */
+  if (iprtetree_root.count == 0) iprtetable.maxlength = 0;
+}
+
+
+void snmp_inc_icmpinmsgs(void)
+{
+  icmpinmsgs++;
+}
+
+void snmp_inc_icmpinerrors(void)
+{
+  icmpinerrors++;
+}
+
+void snmp_inc_icmpindestunreachs(void)
+{
+  icmpindestunreachs++;
+}
+
+void snmp_inc_icmpintimeexcds(void)
+{
+  icmpintimeexcds++;
+}
+
+void snmp_inc_icmpinparmprobs(void)
+{
+  icmpinparmprobs++;
+}
+
+void snmp_inc_icmpinsrcquenchs(void)
+{
+  icmpinsrcquenchs++;
+}
+
+void snmp_inc_icmpinredirects(void)
+{
+  icmpinredirects++;
+}
+
+void snmp_inc_icmpinechos(void)
+{
+  icmpinechos++;
+}
+
+void snmp_inc_icmpinechoreps(void)
+{
+  icmpinechoreps++;
+}
+
+void snmp_inc_icmpintimestamps(void)
+{
+  icmpintimestamps++;
+}
+
+void snmp_inc_icmpintimestampreps(void)
+{
+  icmpintimestampreps++;
+}
+
+void snmp_inc_icmpinaddrmasks(void)
+{
+  icmpinaddrmasks++;
+}
+
+void snmp_inc_icmpinaddrmaskreps(void)
+{
+  icmpinaddrmaskreps++;
+}
+
+void snmp_inc_icmpoutmsgs(void)
+{
+  icmpoutmsgs++;
+}
+
+void snmp_inc_icmpouterrors(void)
+{
+  icmpouterrors++;
+}
+
+void snmp_inc_icmpoutdestunreachs(void)
+{
+  icmpoutdestunreachs++;
+}
+
+void snmp_inc_icmpouttimeexcds(void)
+{
+  icmpouttimeexcds++;
+}
+
+void snmp_inc_icmpoutparmprobs(void)
+{
+  icmpoutparmprobs++;
+}
+
+void snmp_inc_icmpoutsrcquenchs(void)
+{
+  icmpoutsrcquenchs++;
+}
+
+void snmp_inc_icmpoutredirects(void)
+{
+  icmpoutredirects++;
+}
+
+void snmp_inc_icmpoutechos(void)
+{
+  icmpoutechos++;
+}
+
+void snmp_inc_icmpoutechoreps(void)
+{
+  icmpoutechoreps++;
+}
+
+void snmp_inc_icmpouttimestamps(void)
+{
+  icmpouttimestamps++;
+}
+
+void snmp_inc_icmpouttimestampreps(void)
+{
+  icmpouttimestampreps++;
+}
+
+void snmp_inc_icmpoutaddrmasks(void)
+{
+  icmpoutaddrmasks++;
+}
+
+void snmp_inc_icmpoutaddrmaskreps(void)
+{
+  icmpoutaddrmaskreps++;
+}
+
+void snmp_inc_tcpactiveopens(void)
+{
+  tcpactiveopens++;
+}
+
+void snmp_inc_tcppassiveopens(void)
+{
+  tcppassiveopens++;
+}
+
+void snmp_inc_tcpattemptfails(void)
+{
+  tcpattemptfails++;
+}
+
+void snmp_inc_tcpestabresets(void)
+{
+  tcpestabresets++;
+}
+
+void snmp_inc_tcpinsegs(void)
+{
+  tcpinsegs++;
+}
+
+void snmp_inc_tcpoutsegs(void)
+{
+  tcpoutsegs++;
+}
+
+void snmp_inc_tcpretranssegs(void)
+{
+  tcpretranssegs++;
+}
+
+void snmp_inc_tcpinerrs(void)
+{
+  tcpinerrs++;
+}
+
+void snmp_inc_tcpoutrsts(void)
+{
+  tcpoutrsts++;
+}
+
+void snmp_inc_udpindatagrams(void)
+{
+  udpindatagrams++;
+}
+
+void snmp_inc_udpnoports(void)
+{
+  udpnoports++;
+}
+
+void snmp_inc_udpinerrors(void)
+{
+  udpinerrors++;
+}
+
+void snmp_inc_udpoutdatagrams(void)
+{
+  udpoutdatagrams++;
+}
+
+/**
+ * Inserts udpTable indexes (.udpLocalAddress.udpLocalPort)
+ * into index tree.
+ */
+void snmp_insert_udpidx_tree(struct udp_pcb *pcb)
+{
+  struct mib_list_rootnode *udp_rn;
+  struct mib_list_node *udp_node;
+  s32_t udpidx[5];
+  u8_t level;
+
+  LWIP_ASSERT("pcb != NULL", pcb != NULL);
+  snmp_iptooid(&pcb->local_ip, &udpidx[0]);
+  udpidx[4] = pcb->local_port;
+
+  udp_rn = &udp_root;
+  for (level = 0; level < 5; level++)
+  {
+    udp_node = NULL;
+    snmp_mib_node_insert(udp_rn, udpidx[level], &udp_node);
+    if ((level != 4) && (udp_node != NULL))
+    {
+      if (udp_node->nptr == NULL)
+      {
+        udp_rn = snmp_mib_lrn_alloc();
+        udp_node->nptr = (struct mib_node*)udp_rn;
+        if (udp_rn != NULL)
+        {
+          if (level == 3)
+          {
+            udp_rn->get_object_def = udpentry_get_object_def;
+            udp_rn->get_value = udpentry_get_value;
+            udp_rn->set_test = noleafs_set_test;
+            udp_rn->set_value = noleafs_set_value;
+          }
+        }
+        else
+        {
+          /* udp_rn == NULL, malloc failure */
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("snmp_insert_udpidx_tree() insert failed, mem full"));
+          break;
+        }
+      }
+      else
+      {
+        udp_rn = (struct mib_list_rootnode*)udp_node->nptr;
+      }
+    }
+  }
+  udptable.maxlength = 1;
+}
+
+/**
+ * Removes udpTable indexes (.udpLocalAddress.udpLocalPort)
+ * from index tree.
+ */
+void snmp_delete_udpidx_tree(struct udp_pcb *pcb)
+{
+  struct udp_pcb *npcb;
+  struct mib_list_rootnode *udp_rn, *next, *del_rn[5];
+  struct mib_list_node *udp_n, *del_n[5];
+  s32_t udpidx[5];
+  u8_t bindings, fc, level, del_cnt;
+
+  LWIP_ASSERT("pcb != NULL", pcb != NULL);
+  snmp_iptooid(&pcb->local_ip, &udpidx[0]);
+  udpidx[4] = pcb->local_port;
+
+  /* count PCBs for a given binding
+     (e.g. when reusing ports or for temp output PCBs) */
+  bindings = 0;
+  npcb = udp_pcbs;
+  while ((npcb != NULL))
+  {
+    if (ip_addr_cmp(&npcb->local_ip, &pcb->local_ip) &&
+        (npcb->local_port == udpidx[4]))
+    {
+      bindings++;
+    }
+    npcb = npcb->next;
+  }
+  if (bindings == 1)
+  {
+    /* selectively remove */
+    /* mark nodes for deletion */
+    level = 0;
+    del_cnt = 0;
+    udp_rn = &udp_root;
+    while ((level < 5) && (udp_rn != NULL))
+    {
+      fc = snmp_mib_node_find(udp_rn, udpidx[level], &udp_n);
+      if (fc == 0)
+      {
+        /* udpidx[level] does not exist */
+        del_cnt = 0;
+        udp_rn = NULL;
+      }
+      else if (fc == 1)
+      {
+        del_rn[del_cnt] = udp_rn;
+        del_n[del_cnt] = udp_n;
+        del_cnt++;
+        udp_rn = (struct mib_list_rootnode*)(udp_n->nptr);
+      }
+      else if (fc == 2)
+      {
+        /* reset delete (2 or more childs) */
+        del_cnt = 0;
+        udp_rn = (struct mib_list_rootnode*)(udp_n->nptr);
+      }
+      level++;
+    }
+    /* delete marked index nodes */
+    while (del_cnt > 0)
+    {
+      del_cnt--;
+
+      udp_rn = del_rn[del_cnt];
+      udp_n = del_n[del_cnt];
+
+      next = snmp_mib_node_delete(udp_rn, udp_n);
+      if (next != NULL)
+      {
+        LWIP_ASSERT("next_count == 0",next->count == 0);
+        snmp_mib_lrn_free(next);
+      }
+    }
+  }
+  /* disable getnext traversal on empty table */
+  if (udp_root.count == 0) udptable.maxlength = 0;
+}
+
+
+void snmp_inc_snmpinpkts(void)
+{
+  snmpinpkts++;
+}
+
+void snmp_inc_snmpoutpkts(void)
+{
+  snmpoutpkts++;
+}
+
+void snmp_inc_snmpinbadversions(void)
+{
+  snmpinbadversions++;
+}
+
+void snmp_inc_snmpinbadcommunitynames(void)
+{
+  snmpinbadcommunitynames++;
+}
+
+void snmp_inc_snmpinbadcommunityuses(void)
+{
+  snmpinbadcommunityuses++;
+}
+
+void snmp_inc_snmpinasnparseerrs(void)
+{
+  snmpinasnparseerrs++;
+}
+
+void snmp_inc_snmpintoobigs(void)
+{
+  snmpintoobigs++;
+}
+
+void snmp_inc_snmpinnosuchnames(void)
+{
+  snmpinnosuchnames++;
+}
+
+void snmp_inc_snmpinbadvalues(void)
+{
+  snmpinbadvalues++;
+}
+
+void snmp_inc_snmpinreadonlys(void)
+{
+  snmpinreadonlys++;
+}
+
+void snmp_inc_snmpingenerrs(void)
+{
+  snmpingenerrs++;
+}
+
+void snmp_add_snmpintotalreqvars(u8_t value)
+{
+  snmpintotalreqvars += value;
+}
+
+void snmp_add_snmpintotalsetvars(u8_t value)
+{
+  snmpintotalsetvars += value;
+}
+
+void snmp_inc_snmpingetrequests(void)
+{
+  snmpingetrequests++;
+}
+
+void snmp_inc_snmpingetnexts(void)
+{
+  snmpingetnexts++;
+}
+
+void snmp_inc_snmpinsetrequests(void)
+{
+  snmpinsetrequests++;
+}
+
+void snmp_inc_snmpingetresponses(void)
+{
+  snmpingetresponses++;
+}
+
+void snmp_inc_snmpintraps(void)
+{
+  snmpintraps++;
+}
+
+void snmp_inc_snmpouttoobigs(void)
+{
+  snmpouttoobigs++;
+}
+
+void snmp_inc_snmpoutnosuchnames(void)
+{
+  snmpoutnosuchnames++;
+}
+
+void snmp_inc_snmpoutbadvalues(void)
+{
+  snmpoutbadvalues++;
+}
+
+void snmp_inc_snmpoutgenerrs(void)
+{
+  snmpoutgenerrs++;
+}
+
+void snmp_inc_snmpoutgetrequests(void)
+{
+  snmpoutgetrequests++;
+}
+
+void snmp_inc_snmpoutgetnexts(void)
+{
+  snmpoutgetnexts++;
+}
+
+void snmp_inc_snmpoutsetrequests(void)
+{
+  snmpoutsetrequests++;
+}
+
+void snmp_inc_snmpoutgetresponses(void)
+{
+  snmpoutgetresponses++;
+}
+
+void snmp_inc_snmpouttraps(void)
+{
+  snmpouttraps++;
+}
+
+void snmp_get_snmpgrpid_ptr(struct snmp_obj_id **oid)
+{
+  *oid = &snmpgrp_id;
+}
+
+void snmp_set_snmpenableauthentraps(u8_t *value)
+{
+  if (value != NULL)
+  {
+    snmpenableauthentraps_ptr = value;
+  }
+}
+
+void snmp_get_snmpenableauthentraps(u8_t *value)
+{
+  *value = *snmpenableauthentraps_ptr;
+}
+
+void
+noleafs_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  LWIP_UNUSED_ARG(ident_len);
+  LWIP_UNUSED_ARG(ident);
+  od->instance = MIB_OBJECT_NONE;
+}
+
+void
+noleafs_get_value(struct obj_def *od, u16_t len, void *value)
+{
+  LWIP_UNUSED_ARG(od);
+  LWIP_UNUSED_ARG(len);
+  LWIP_UNUSED_ARG(value);
+}
+
+u8_t
+noleafs_set_test(struct obj_def *od, u16_t len, void *value)
+{
+  LWIP_UNUSED_ARG(od);
+  LWIP_UNUSED_ARG(len);
+  LWIP_UNUSED_ARG(value);
+  /* can't set */
+  return 0;
+}
+
+void
+noleafs_set_value(struct obj_def *od, u16_t len, void *value)
+{
+  LWIP_UNUSED_ARG(od);
+  LWIP_UNUSED_ARG(len);
+  LWIP_UNUSED_ARG(value);
+}
+
+
+/**
+ * Returns systems object definitions.
+ *
+ * @param ident_len the address length (2)
+ * @param ident points to objectname.0 (object id trailer)
+ * @param od points to object definition.
+ */
+static void
+system_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  u8_t id;
+
+  /* return to object name, adding index depth (1) */
+  ident_len += 1;
+  ident -= 1;
+  if (ident_len == 2)
+  {
+    od->id_inst_len = ident_len;
+    od->id_inst_ptr = ident;
+
+    LWIP_ASSERT("invalid id", (ident[0] >= 0) && (ident[0] <= 0xff));
+    id = (u8_t)ident[0];
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("get_object_def system.%"U16_F".0\n",(u16_t)id));
+    switch (id)
+    {
+      case 1: /* sysDescr */
+        od->instance = MIB_OBJECT_SCALAR;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OC_STR);
+        od->v_len = *sysdescr_len_ptr;
+        break;
+      case 2: /* sysObjectID */
+        od->instance = MIB_OBJECT_SCALAR;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OBJ_ID);
+        od->v_len = sysobjid.len * sizeof(s32_t);
+        break;
+      case 3: /* sysUpTime */
+        od->instance = MIB_OBJECT_SCALAR;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_TIMETICKS);
+        od->v_len = sizeof(u32_t);
+        break;
+      case 4: /* sysContact */
+        od->instance = MIB_OBJECT_SCALAR;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OC_STR);
+        od->v_len = *syscontact_len_ptr;
+        break;
+      case 5: /* sysName */
+        od->instance = MIB_OBJECT_SCALAR;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OC_STR);
+        od->v_len = *sysname_len_ptr;
+        break;
+      case 6: /* sysLocation */
+        od->instance = MIB_OBJECT_SCALAR;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OC_STR);
+        od->v_len = *syslocation_len_ptr;
+        break;
+      case 7: /* sysServices */
+        od->instance = MIB_OBJECT_SCALAR;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      default:
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("system_get_object_def: no such object\n"));
+        od->instance = MIB_OBJECT_NONE;
+        break;
+    };
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("system_get_object_def: no scalar\n"));
+    od->instance = MIB_OBJECT_NONE;
+  }
+}
+
+/**
+ * Returns system object value.
+ *
+ * @param ident_len the address length (2)
+ * @param ident points to objectname.0 (object id trailer)
+ * @param len return value space (in bytes)
+ * @param value points to (varbind) space to copy value into.
+ */
+static void
+system_get_value(struct obj_def *od, u16_t len, void *value)
+{
+  u8_t id;
+
+  LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+  id = (u8_t)od->id_inst_ptr[0];
+  switch (id)
+  {
+    case 1: /* sysDescr */
+      ocstrncpy((u8_t*)value, sysdescr_ptr, len);
+      break;
+    case 2: /* sysObjectID */
+      objectidncpy((s32_t*)value, (s32_t*)sysobjid.id, (u8_t)(len / sizeof(s32_t)));
+      break;
+    case 3: /* sysUpTime */
+      {
+        snmp_get_sysuptime((u32_t*)value);
+      }
+      break;
+    case 4: /* sysContact */
+      ocstrncpy((u8_t*)value, syscontact_ptr, len);
+      break;
+    case 5: /* sysName */
+      ocstrncpy((u8_t*)value, sysname_ptr, len);
+      break;
+    case 6: /* sysLocation */
+      ocstrncpy((u8_t*)value, syslocation_ptr, len);
+      break;
+    case 7: /* sysServices */
+      {
+        s32_t *sint_ptr = (s32_t*)value;
+        *sint_ptr = sysservices;
+      }
+      break;
+  };
+}
+
+static u8_t
+system_set_test(struct obj_def *od, u16_t len, void *value)
+{
+  u8_t id, set_ok;
+
+  LWIP_UNUSED_ARG(value);
+  set_ok = 0;
+  LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+  id = (u8_t)od->id_inst_ptr[0];
+  switch (id)
+  {
+    case 4: /* sysContact */
+      if ((syscontact_ptr != syscontact_default) &&
+          (len <= 255))
+      {
+        set_ok = 1;
+      }
+      break;
+    case 5: /* sysName */
+      if ((sysname_ptr != sysname_default) &&
+          (len <= 255))
+      {
+        set_ok = 1;
+      }
+      break;
+    case 6: /* sysLocation */
+      if ((syslocation_ptr != syslocation_default) &&
+          (len <= 255))
+      {
+        set_ok = 1;
+      }
+      break;
+  };
+  return set_ok;
+}
+
+static void
+system_set_value(struct obj_def *od, u16_t len, void *value)
+{
+  u8_t id;
+
+  LWIP_ASSERT("invalid len", len <= 0xff);
+  LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+  id = (u8_t)od->id_inst_ptr[0];
+  switch (id)
+  {
+    case 4: /* sysContact */
+      ocstrncpy(syscontact_ptr, (u8_t*)value, len);
+      *syscontact_len_ptr = (u8_t)len;
+      break;
+    case 5: /* sysName */
+      ocstrncpy(sysname_ptr, (u8_t*)value, len);
+      *sysname_len_ptr = (u8_t)len;
+      break;
+    case 6: /* sysLocation */
+      ocstrncpy(syslocation_ptr, (u8_t*)value, len);
+      *syslocation_len_ptr = (u8_t)len;
+      break;
+  };
+}
+
+/**
+ * Returns interfaces.ifnumber object definition.
+ *
+ * @param ident_len the address length (2)
+ * @param ident points to objectname.index
+ * @param od points to object definition.
+ */
+static void
+interfaces_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  /* return to object name, adding index depth (1) */
+  ident_len += 1;
+  ident -= 1;
+  if (ident_len == 2)
+  {
+    od->id_inst_len = ident_len;
+    od->id_inst_ptr = ident;
+
+    od->instance = MIB_OBJECT_SCALAR;
+    od->access = MIB_OBJECT_READ_ONLY;
+    od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+    od->v_len = sizeof(s32_t);
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("interfaces_get_object_def: no scalar\n"));
+    od->instance = MIB_OBJECT_NONE;
+  }
+}
+
+/**
+ * Returns interfaces.ifnumber object value.
+ *
+ * @param ident_len the address length (2)
+ * @param ident points to objectname.0 (object id trailer)
+ * @param len return value space (in bytes)
+ * @param value points to (varbind) space to copy value into.
+ */
+static void
+interfaces_get_value(struct obj_def *od, u16_t len, void *value)
+{
+  LWIP_UNUSED_ARG(len);
+  if (od->id_inst_ptr[0] == 1)
+  {
+    s32_t *sint_ptr = (s32_t*)value;
+    *sint_ptr = iflist_root.count;
+  }
+}
+
+/**
+ * Returns ifentry object definitions.
+ *
+ * @param ident_len the address length (2)
+ * @param ident points to objectname.index
+ * @param od points to object definition.
+ */
+static void
+ifentry_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  u8_t id;
+
+  /* return to object name, adding index depth (1) */
+  ident_len += 1;
+  ident -= 1;
+  if (ident_len == 2)
+  {
+    od->id_inst_len = ident_len;
+    od->id_inst_ptr = ident;
+
+    LWIP_ASSERT("invalid id", (ident[0] >= 0) && (ident[0] <= 0xff));
+    id = (u8_t)ident[0];
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("get_object_def ifentry.%"U16_F"\n",(u16_t)id));
+    switch (id)
+    {
+      case 1: /* ifIndex */
+      case 3: /* ifType */
+      case 4: /* ifMtu */
+      case 8: /* ifOperStatus */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      case 2: /* ifDescr */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OC_STR);
+        /** @todo this should be some sort of sizeof(struct netif.name) */
+        od->v_len = 2;
+        break;
+      case 5: /* ifSpeed */
+      case 21: /* ifOutQLen */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_GAUGE);
+        od->v_len = sizeof(u32_t);
+        break;
+      case 6: /* ifPhysAddress */
+        {
+          struct netif *netif;
+
+          snmp_ifindextonetif(ident[1], &netif);
+          od->instance = MIB_OBJECT_TAB;
+          od->access = MIB_OBJECT_READ_ONLY;
+          od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OC_STR);
+          od->v_len = netif->hwaddr_len;
+        }
+        break;
+      case 7: /* ifAdminStatus */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      case 9: /* ifLastChange */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_TIMETICKS);
+        od->v_len = sizeof(u32_t);
+        break;
+      case 10: /* ifInOctets */
+      case 11: /* ifInUcastPkts */
+      case 12: /* ifInNUcastPkts */
+      case 13: /* ifInDiscarts */
+      case 14: /* ifInErrors */
+      case 15: /* ifInUnkownProtos */
+      case 16: /* ifOutOctets */
+      case 17: /* ifOutUcastPkts */
+      case 18: /* ifOutNUcastPkts */
+      case 19: /* ifOutDiscarts */
+      case 20: /* ifOutErrors */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_COUNTER);
+        od->v_len = sizeof(u32_t);
+        break;
+      case 22: /* ifSpecific */
+        /** @note returning zeroDotZero (0.0) no media specific MIB support */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OBJ_ID);
+        od->v_len = ifspecific.len * sizeof(s32_t);
+        break;
+      default:
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("ifentry_get_object_def: no such object\n"));
+        od->instance = MIB_OBJECT_NONE;
+        break;
+    };
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("ifentry_get_object_def: no scalar\n"));
+    od->instance = MIB_OBJECT_NONE;
+  }
+}
+
+/**
+ * Returns ifentry object value.
+ *
+ * @param ident_len the address length (2)
+ * @param ident points to objectname.0 (object id trailer)
+ * @param len return value space (in bytes)
+ * @param value points to (varbind) space to copy value into.
+ */
+static void
+ifentry_get_value(struct obj_def *od, u16_t len, void *value)
+{
+  struct netif *netif;
+  u8_t id;
+
+  snmp_ifindextonetif(od->id_inst_ptr[1], &netif);
+  LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+  id = (u8_t)od->id_inst_ptr[0];
+  switch (id)
+  {
+    case 1: /* ifIndex */
+      {
+        s32_t *sint_ptr = (s32_t*)value;
+        *sint_ptr = od->id_inst_ptr[1];
+      }
+      break;
+    case 2: /* ifDescr */
+      ocstrncpy((u8_t*)value, (u8_t*)netif->name, len);
+      break;
+    case 3: /* ifType */
+      {
+        s32_t *sint_ptr = (s32_t*)value;
+        *sint_ptr = netif->link_type;
+      }
+      break;
+    case 4: /* ifMtu */
+      {
+        s32_t *sint_ptr = (s32_t*)value;
+        *sint_ptr = netif->mtu;
+      }
+      break;
+    case 5: /* ifSpeed */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = netif->link_speed;
+      }
+      break;
+    case 6: /* ifPhysAddress */
+      ocstrncpy((u8_t*)value, netif->hwaddr, len);
+      break;
+    case 7: /* ifAdminStatus */
+      {
+        s32_t *sint_ptr = (s32_t*)value;
+        if (netif_is_up(netif))
+        {
+          if (netif_is_link_up(netif))
+          {
+            *sint_ptr = 1; /* up */
+          }
+          else
+          {
+            *sint_ptr = 7; /* lowerLayerDown */
+          }
+        }
+        else
+        {
+          *sint_ptr = 2; /* down */
+        }
+      }
+      break;
+    case 8: /* ifOperStatus */
+      {
+        s32_t *sint_ptr = (s32_t*)value;
+        if (netif_is_up(netif))
+        {
+          *sint_ptr = 1;
+        }
+        else
+        {
+          *sint_ptr = 2;
+        }
+      }
+      break;
+    case 9: /* ifLastChange */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = netif->ts;
+      }
+      break;
+    case 10: /* ifInOctets */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = netif->ifinoctets;
+      }
+      break;
+    case 11: /* ifInUcastPkts */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = netif->ifinucastpkts;
+      }
+      break;
+    case 12: /* ifInNUcastPkts */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = netif->ifinnucastpkts;
+      }
+      break;
+    case 13: /* ifInDiscarts */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = netif->ifindiscards;
+      }
+      break;
+    case 14: /* ifInErrors */
+    case 15: /* ifInUnkownProtos */
+      /** @todo add these counters! */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = 0;
+      }
+      break;
+    case 16: /* ifOutOctets */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = netif->ifoutoctets;
+      }
+      break;
+    case 17: /* ifOutUcastPkts */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = netif->ifoutucastpkts;
+      }
+      break;
+    case 18: /* ifOutNUcastPkts */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = netif->ifoutnucastpkts;
+      }
+      break;
+    case 19: /* ifOutDiscarts */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = netif->ifoutdiscards;
+      }
+      break;
+    case 20: /* ifOutErrors */
+       /** @todo add this counter! */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = 0;
+      }
+      break;
+    case 21: /* ifOutQLen */
+      /** @todo figure out if this must be 0 (no queue) or 1? */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = 0;
+      }
+      break;
+    case 22: /* ifSpecific */
+      objectidncpy((s32_t*)value, (s32_t*)ifspecific.id, (u8_t)(len / sizeof(s32_t)));
+      break;
+  };
+}
+
+#if !SNMP_SAFE_REQUESTS
+static u8_t
+ifentry_set_test(struct obj_def *od, u16_t len, void *value)
+{
+  struct netif *netif;
+  u8_t id, set_ok;
+  LWIP_UNUSED_ARG(len);
+
+  set_ok = 0;
+  snmp_ifindextonetif(od->id_inst_ptr[1], &netif);
+  id = (u8_t)od->id_inst_ptr[0];
+  switch (id)
+  {
+    case 7: /* ifAdminStatus */
+      {
+        s32_t *sint_ptr = (s32_t*)value;
+        if (*sint_ptr == 1 || *sint_ptr == 2)
+          set_ok = 1;
+      }
+      break;
+  }
+  return set_ok;
+}
+
+static void
+ifentry_set_value(struct obj_def *od, u16_t len, void *value)
+{
+  struct netif *netif;
+  u8_t id;
+  LWIP_UNUSED_ARG(len);
+
+  snmp_ifindextonetif(od->id_inst_ptr[1], &netif);
+  id = (u8_t)od->id_inst_ptr[0];
+  switch (id)
+  {
+    case 7: /* ifAdminStatus */
+      {
+        s32_t *sint_ptr = (s32_t*)value;
+        if (*sint_ptr == 1)
+        {
+          netif_set_up(netif);
+        }
+        else if (*sint_ptr == 2)
+        {
+          netif_set_down(netif);
+         }
+      }
+      break;
+  }
+}
+#endif /* SNMP_SAFE_REQUESTS */
+
+/**
+ * Returns atentry object definitions.
+ *
+ * @param ident_len the address length (6)
+ * @param ident points to objectname.atifindex.atnetaddress
+ * @param od points to object definition.
+ */
+static void
+atentry_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  /* return to object name, adding index depth (5) */
+  ident_len += 5;
+  ident -= 5;
+
+  if (ident_len == 6)
+  {
+    od->id_inst_len = ident_len;
+    od->id_inst_ptr = ident;
+
+    switch (ident[0])
+    {
+      case 1: /* atIfIndex */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      case 2: /* atPhysAddress */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OC_STR);
+        od->v_len = 6; /** @todo try to use netif::hwaddr_len */
+        break;
+      case 3: /* atNetAddress */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_IPADDR);
+        od->v_len = 4;
+        break;
+      default:
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("atentry_get_object_def: no such object\n"));
+        od->instance = MIB_OBJECT_NONE;
+        break;
+    }
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("atentry_get_object_def: no scalar\n"));
+    od->instance = MIB_OBJECT_NONE;
+  }
+}
+
+static void
+atentry_get_value(struct obj_def *od, u16_t len, void *value)
+{
+#if LWIP_ARP
+  u8_t id;
+  struct eth_addr* ethaddr_ret;
+  ip_addr_t* ipaddr_ret;
+#endif /* LWIP_ARP */
+  ip_addr_t ip;
+  struct netif *netif;
+
+  LWIP_UNUSED_ARG(len);
+  LWIP_UNUSED_ARG(value);/* if !LWIP_ARP */
+
+  snmp_ifindextonetif(od->id_inst_ptr[1], &netif);
+  snmp_oidtoip(&od->id_inst_ptr[2], &ip);
+
+#if LWIP_ARP /** @todo implement a netif_find_addr */
+  if (etharp_find_addr(netif, &ip, ðaddr_ret, &ipaddr_ret) > -1)
+  {
+    LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+    id = (u8_t)od->id_inst_ptr[0];
+    switch (id)
+    {
+      case 1: /* atIfIndex */
+        {
+          s32_t *sint_ptr = (s32_t*)value;
+          *sint_ptr = od->id_inst_ptr[1];
+        }
+        break;
+      case 2: /* atPhysAddress */
+        {
+          struct eth_addr *dst = (struct eth_addr*)value;
+
+          *dst = *ethaddr_ret;
+        }
+        break;
+      case 3: /* atNetAddress */
+        {
+          ip_addr_t *dst = (ip_addr_t*)value;
+
+          *dst = *ipaddr_ret;
+        }
+        break;
+    }
+  }
+#endif /* LWIP_ARP */
+}
+
+static void
+ip_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  u8_t id;
+
+  /* return to object name, adding index depth (1) */
+  ident_len += 1;
+  ident -= 1;
+  if (ident_len == 2)
+  {
+    od->id_inst_len = ident_len;
+    od->id_inst_ptr = ident;
+
+    LWIP_ASSERT("invalid id", (ident[0] >= 0) && (ident[0] <= 0xff));
+    id = (u8_t)ident[0];
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("get_object_def ip.%"U16_F".0\n",(u16_t)id));
+    switch (id)
+    {
+      case 1: /* ipForwarding */
+      case 2: /* ipDefaultTTL */
+        od->instance = MIB_OBJECT_SCALAR;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      case 3: /* ipInReceives */
+      case 4: /* ipInHdrErrors */
+      case 5: /* ipInAddrErrors */
+      case 6: /* ipForwDatagrams */
+      case 7: /* ipInUnknownProtos */
+      case 8: /* ipInDiscards */
+      case 9: /* ipInDelivers */
+      case 10: /* ipOutRequests */
+      case 11: /* ipOutDiscards */
+      case 12: /* ipOutNoRoutes */
+      case 14: /* ipReasmReqds */
+      case 15: /* ipReasmOKs */
+      case 16: /* ipReasmFails */
+      case 17: /* ipFragOKs */
+      case 18: /* ipFragFails */
+      case 19: /* ipFragCreates */
+      case 23: /* ipRoutingDiscards */
+        od->instance = MIB_OBJECT_SCALAR;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_COUNTER);
+        od->v_len = sizeof(u32_t);
+        break;
+      case 13: /* ipReasmTimeout */
+        od->instance = MIB_OBJECT_SCALAR;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      default:
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("ip_get_object_def: no such object\n"));
+        od->instance = MIB_OBJECT_NONE;
+        break;
+    };
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("ip_get_object_def: no scalar\n"));
+    od->instance = MIB_OBJECT_NONE;
+  }
+}
+
+static void
+ip_get_value(struct obj_def *od, u16_t len, void *value)
+{
+  u8_t id;
+
+  LWIP_UNUSED_ARG(len);
+  LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+  id = (u8_t)od->id_inst_ptr[0];
+  switch (id)
+  {
+    case 1: /* ipForwarding */
+      {
+        s32_t *sint_ptr = (s32_t*)value;
+#if IP_FORWARD
+        /* forwarding */
+        *sint_ptr = 1;
+#else
+        /* not-forwarding */
+        *sint_ptr = 2;
+#endif
+      }
+      break;
+    case 2: /* ipDefaultTTL */
+      {
+        s32_t *sint_ptr = (s32_t*)value;
+        *sint_ptr = IP_DEFAULT_TTL;
+      }
+      break;
+    case 3: /* ipInReceives */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipinreceives;
+      }
+      break;
+    case 4: /* ipInHdrErrors */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipinhdrerrors;
+      }
+      break;
+    case 5: /* ipInAddrErrors */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipinaddrerrors;
+      }
+      break;
+    case 6: /* ipForwDatagrams */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipforwdatagrams;
+      }
+      break;
+    case 7: /* ipInUnknownProtos */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipinunknownprotos;
+      }
+      break;
+    case 8: /* ipInDiscards */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipindiscards;
+      }
+      break;
+    case 9: /* ipInDelivers */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipindelivers;
+      }
+      break;
+    case 10: /* ipOutRequests */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipoutrequests;
+      }
+      break;
+    case 11: /* ipOutDiscards */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipoutdiscards;
+      }
+      break;
+    case 12: /* ipOutNoRoutes */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipoutnoroutes;
+      }
+      break;
+    case 13: /* ipReasmTimeout */
+      {
+        s32_t *sint_ptr = (s32_t*)value;
+#if IP_REASSEMBLY
+        *sint_ptr = IP_REASS_MAXAGE;
+#else
+        *sint_ptr = 0;
+#endif
+      }
+      break;
+    case 14: /* ipReasmReqds */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipreasmreqds;
+      }
+      break;
+    case 15: /* ipReasmOKs */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipreasmoks;
+      }
+      break;
+    case 16: /* ipReasmFails */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipreasmfails;
+      }
+      break;
+    case 17: /* ipFragOKs */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipfragoks;
+      }
+      break;
+    case 18: /* ipFragFails */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipfragfails;
+      }
+      break;
+    case 19: /* ipFragCreates */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = ipfragcreates;
+      }
+      break;
+    case 23: /* ipRoutingDiscards */
+      /** @todo can lwIP discard routes at all?? hardwire this to 0?? */
+      {
+        u32_t *uint_ptr = (u32_t*)value;
+        *uint_ptr = iproutingdiscards;
+      }
+      break;
+  };
+}
+
+/**
+ * Test ip object value before setting.
+ *
+ * @param od is the object definition
+ * @param len return value space (in bytes)
+ * @param value points to (varbind) space to copy value from.
+ *
+ * @note we allow set if the value matches the hardwired value,
+ *   otherwise return badvalue.
+ */
+static u8_t
+ip_set_test(struct obj_def *od, u16_t len, void *value)
+{
+  u8_t id, set_ok;
+  s32_t *sint_ptr = (s32_t*)value;
+
+  LWIP_UNUSED_ARG(len);
+  set_ok = 0;
+  LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+  id = (u8_t)od->id_inst_ptr[0];
+  switch (id)
+  {
+    case 1: /* ipForwarding */
+#if IP_FORWARD
+      /* forwarding */
+      if (*sint_ptr == 1)
+#else
+      /* not-forwarding */
+      if (*sint_ptr == 2)
+#endif
+      {
+        set_ok = 1;
+      }
+      break;
+    case 2: /* ipDefaultTTL */
+      if (*sint_ptr == IP_DEFAULT_TTL)
+      {
+        set_ok = 1;
+      }
+      break;
+  };
+  return set_ok;
+}
+
+static void
+ip_addrentry_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  /* return to object name, adding index depth (4) */
+  ident_len += 4;
+  ident -= 4;
+
+  if (ident_len == 5)
+  {
+    u8_t id;
+
+    od->id_inst_len = ident_len;
+    od->id_inst_ptr = ident;
+
+    LWIP_ASSERT("invalid id", (ident[0] >= 0) && (ident[0] <= 0xff));
+    id = (u8_t)ident[0];
+    switch (id)
+    {
+      case 1: /* ipAdEntAddr */
+      case 3: /* ipAdEntNetMask */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_IPADDR);
+        od->v_len = 4;
+        break;
+      case 2: /* ipAdEntIfIndex */
+      case 4: /* ipAdEntBcastAddr */
+      case 5: /* ipAdEntReasmMaxSize */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      default:
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("ip_addrentry_get_object_def: no such object\n"));
+        od->instance = MIB_OBJECT_NONE;
+        break;
+    }
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("ip_addrentry_get_object_def: no scalar\n"));
+    od->instance = MIB_OBJECT_NONE;
+  }
+}
+
+static void
+ip_addrentry_get_value(struct obj_def *od, u16_t len, void *value)
+{
+  u8_t id;
+  u16_t ifidx;
+  ip_addr_t ip;
+  struct netif *netif = netif_list;
+
+  LWIP_UNUSED_ARG(len);
+  snmp_oidtoip(&od->id_inst_ptr[1], &ip);
+  ifidx = 0;
+  while ((netif != NULL) && !ip_addr_cmp(&ip, &netif->ip_addr))
+  {
+    netif = netif->next;
+    ifidx++;
+  }
+
+  if (netif != NULL)
+  {
+    LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+    id = (u8_t)od->id_inst_ptr[0];
+    switch (id)
+    {
+      case 1: /* ipAdEntAddr */
+        {
+          ip_addr_t *dst = (ip_addr_t*)value;
+          *dst = netif->ip_addr;
+        }
+        break;
+      case 2: /* ipAdEntIfIndex */
+        {
+          s32_t *sint_ptr = (s32_t*)value;
+          *sint_ptr = ifidx + 1;
+        }
+        break;
+      case 3: /* ipAdEntNetMask */
+        {
+          ip_addr_t *dst = (ip_addr_t*)value;
+          *dst = netif->netmask;
+        }
+        break;
+      case 4: /* ipAdEntBcastAddr */
+        {
+          s32_t *sint_ptr = (s32_t*)value;
+
+          /* lwIP oddity, there's no broadcast
+            address in the netif we can rely on */
+          *sint_ptr = IPADDR_BROADCAST & 1;
+        }
+        break;
+      case 5: /* ipAdEntReasmMaxSize */
+        {
+          s32_t *sint_ptr = (s32_t*)value;
+#if IP_REASSEMBLY
+          /* @todo The theoretical maximum is IP_REASS_MAX_PBUFS * size of the pbufs,
+           * but only if receiving one fragmented packet at a time.
+           * The current solution is to calculate for 2 simultaneous packets...
+           */
+          *sint_ptr = (IP_HLEN + ((IP_REASS_MAX_PBUFS/2) *
+            (PBUF_POOL_BUFSIZE - PBUF_LINK_HLEN - IP_HLEN)));
+#else
+          /** @todo returning MTU would be a bad thing and
+             returning a wild guess like '576' isn't good either */
+          *sint_ptr = 0;
+#endif
+        }
+        break;
+    }
+  }
+}
+
+/**
+ * @note
+ * lwIP IP routing is currently using the network addresses in netif_list.
+ * if no suitable network IP is found in netif_list, the default_netif is used.
+ */
+static void
+ip_rteentry_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  u8_t id;
+
+  /* return to object name, adding index depth (4) */
+  ident_len += 4;
+  ident -= 4;
+
+  if (ident_len == 5)
+  {
+    od->id_inst_len = ident_len;
+    od->id_inst_ptr = ident;
+
+    LWIP_ASSERT("invalid id", (ident[0] >= 0) && (ident[0] <= 0xff));
+    id = (u8_t)ident[0];
+    switch (id)
+    {
+      case 1: /* ipRouteDest */
+      case 7: /* ipRouteNextHop */
+      case 11: /* ipRouteMask */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_IPADDR);
+        od->v_len = 4;
+        break;
+      case 2: /* ipRouteIfIndex */
+      case 3: /* ipRouteMetric1 */
+      case 4: /* ipRouteMetric2 */
+      case 5: /* ipRouteMetric3 */
+      case 6: /* ipRouteMetric4 */
+      case 8: /* ipRouteType */
+      case 10: /* ipRouteAge */
+      case 12: /* ipRouteMetric5 */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      case 9: /* ipRouteProto */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      case 13: /* ipRouteInfo */
+        /** @note returning zeroDotZero (0.0) no routing protocol specific MIB */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OBJ_ID);
+        od->v_len = iprouteinfo.len * sizeof(s32_t);
+        break;
+      default:
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("ip_rteentry_get_object_def: no such object\n"));
+        od->instance = MIB_OBJECT_NONE;
+        break;
+    }
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("ip_rteentry_get_object_def: no scalar\n"));
+    od->instance = MIB_OBJECT_NONE;
+  }
+}
+
+static void
+ip_rteentry_get_value(struct obj_def *od, u16_t len, void *value)
+{
+  struct netif *netif;
+  ip_addr_t dest;
+  s32_t *ident;
+  u8_t id;
+
+  ident = od->id_inst_ptr;
+  snmp_oidtoip(&ident[1], &dest);
+
+  if (ip_addr_isany(&dest))
+  {
+    /* ip_route() uses default netif for default route */
+    netif = netif_default;
+  }
+  else
+  {
+    /* not using ip_route(), need exact match! */
+    netif = netif_list;
+    while ((netif != NULL) &&
+            !ip_addr_netcmp(&dest, &(netif->ip_addr), &(netif->netmask)) )
+    {
+      netif = netif->next;
+    }
+  }
+  if (netif != NULL)
+  {
+    LWIP_ASSERT("invalid id", (ident[0] >= 0) && (ident[0] <= 0xff));
+    id = (u8_t)ident[0];
+    switch (id)
+    {
+      case 1: /* ipRouteDest */
+        {
+          ip_addr_t *dst = (ip_addr_t*)value;
+
+          if (ip_addr_isany(&dest))
+          {
+            /* default rte has 0.0.0.0 dest */
+            ip_addr_set_zero(dst);
+          }
+          else
+          {
+            /* netifs have netaddress dest */
+            ip_addr_get_network(dst, &netif->ip_addr, &netif->netmask);
+          }
+        }
+        break;
+      case 2: /* ipRouteIfIndex */
+        {
+          s32_t *sint_ptr = (s32_t*)value;
+
+          snmp_netiftoifindex(netif, sint_ptr);
+        }
+        break;
+      case 3: /* ipRouteMetric1 */
+        {
+          s32_t *sint_ptr = (s32_t*)value;
+
+          if (ip_addr_isany(&dest))
+          {
+            /* default rte has metric 1 */
+            *sint_ptr = 1;
+          }
+          else
+          {
+            /* other rtes have metric 0 */
+            *sint_ptr = 0;
+          }
+        }
+        break;
+      case 4: /* ipRouteMetric2 */
+      case 5: /* ipRouteMetric3 */
+      case 6: /* ipRouteMetric4 */
+      case 12: /* ipRouteMetric5 */
+        {
+          s32_t *sint_ptr = (s32_t*)value;
+          /* not used */
+          *sint_ptr = -1;
+        }
+        break;
+      case 7: /* ipRouteNextHop */
+        {
+          ip_addr_t *dst = (ip_addr_t*)value;
+
+          if (ip_addr_isany(&dest))
+          {
+            /* default rte: gateway */
+            *dst = netif->gw;
+          }
+          else
+          {
+            /* other rtes: netif ip_addr  */
+            *dst = netif->ip_addr;
+          }
+        }
+        break;
+      case 8: /* ipRouteType */
+        {
+          s32_t *sint_ptr = (s32_t*)value;
+
+          if (ip_addr_isany(&dest))
+          {
+            /* default rte is indirect */
+            *sint_ptr = 4;
+          }
+          else
+          {
+            /* other rtes are direct */
+            *sint_ptr = 3;
+          }
+        }
+        break;
+      case 9: /* ipRouteProto */
+        {
+          s32_t *sint_ptr = (s32_t*)value;
+          /* locally defined routes */
+          *sint_ptr = 2;
+        }
+        break;
+      case 10: /* ipRouteAge */
+        {
+          s32_t *sint_ptr = (s32_t*)value;
+          /** @todo (sysuptime - timestamp last change) / 100
+              @see snmp_insert_iprteidx_tree() */
+          *sint_ptr = 0;
+        }
+        break;
+      case 11: /* ipRouteMask */
+        {
+          ip_addr_t *dst = (ip_addr_t*)value;
+
+          if (ip_addr_isany(&dest))
+          {
+            /* default rte use 0.0.0.0 mask */
+            ip_addr_set_zero(dst);
+          }
+          else
+          {
+            /* other rtes use netmask */
+            *dst = netif->netmask;
+          }
+        }
+        break;
+      case 13: /* ipRouteInfo */
+        objectidncpy((s32_t*)value, (s32_t*)iprouteinfo.id, (u8_t)(len / sizeof(s32_t)));
+        break;
+    }
+  }
+}
+
+static void
+ip_ntomentry_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  /* return to object name, adding index depth (5) */
+  ident_len += 5;
+  ident -= 5;
+
+  if (ident_len == 6)
+  {
+    u8_t id;
+
+    od->id_inst_len = ident_len;
+    od->id_inst_ptr = ident;
+
+    LWIP_ASSERT("invalid id", (ident[0] >= 0) && (ident[0] <= 0xff));
+    id = (u8_t)ident[0];
+    switch (id)
+    {
+      case 1: /* ipNetToMediaIfIndex */
+      case 4: /* ipNetToMediaType */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      case 2: /* ipNetToMediaPhysAddress */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OC_STR);
+        od->v_len = 6; /** @todo try to use netif::hwaddr_len */
+        break;
+      case 3: /* ipNetToMediaNetAddress */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_IPADDR);
+        od->v_len = 4;
+        break;
+      default:
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("ip_ntomentry_get_object_def: no such object\n"));
+        od->instance = MIB_OBJECT_NONE;
+        break;
+    }
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("ip_ntomentry_get_object_def: no scalar\n"));
+    od->instance = MIB_OBJECT_NONE;
+  }
+}
+
+static void
+ip_ntomentry_get_value(struct obj_def *od, u16_t len, void *value)
+{
+#if LWIP_ARP
+  u8_t id;
+  struct eth_addr* ethaddr_ret;
+  ip_addr_t* ipaddr_ret;
+#endif /* LWIP_ARP */
+  ip_addr_t ip;
+  struct netif *netif;
+
+  LWIP_UNUSED_ARG(len);
+  LWIP_UNUSED_ARG(value);/* if !LWIP_ARP */
+
+  snmp_ifindextonetif(od->id_inst_ptr[1], &netif);
+  snmp_oidtoip(&od->id_inst_ptr[2], &ip);
+
+#if LWIP_ARP /** @todo implement a netif_find_addr */
+  if (etharp_find_addr(netif, &ip, ðaddr_ret, &ipaddr_ret) > -1)
+  {
+    LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+    id = (u8_t)od->id_inst_ptr[0];
+    switch (id)
+    {
+      case 1: /* ipNetToMediaIfIndex */
+        {
+          s32_t *sint_ptr = (s32_t*)value;
+          *sint_ptr = od->id_inst_ptr[1];
+        }
+        break;
+      case 2: /* ipNetToMediaPhysAddress */
+        {
+          struct eth_addr *dst = (struct eth_addr*)value;
+
+          *dst = *ethaddr_ret;
+        }
+        break;
+      case 3: /* ipNetToMediaNetAddress */
+        {
+          ip_addr_t *dst = (ip_addr_t*)value;
+
+          *dst = *ipaddr_ret;
+        }
+        break;
+      case 4: /* ipNetToMediaType */
+        {
+          s32_t *sint_ptr = (s32_t*)value;
+          /* dynamic (?) */
+          *sint_ptr = 3;
+        }
+        break;
+    }
+  }
+#endif /* LWIP_ARP */
+}
+
+static void
+icmp_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  /* return to object name, adding index depth (1) */
+  ident_len += 1;
+  ident -= 1;
+  if ((ident_len == 2) &&
+      (ident[0] > 0) && (ident[0] < 27))
+  {
+    od->id_inst_len = ident_len;
+    od->id_inst_ptr = ident;
+
+    od->instance = MIB_OBJECT_SCALAR;
+    od->access = MIB_OBJECT_READ_ONLY;
+    od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_COUNTER);
+    od->v_len = sizeof(u32_t);
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("icmp_get_object_def: no scalar\n"));
+    od->instance = MIB_OBJECT_NONE;
+  }
+}
+
+static void
+icmp_get_value(struct obj_def *od, u16_t len, void *value)
+{
+  u32_t *uint_ptr = (u32_t*)value;
+  u8_t id;
+
+  LWIP_UNUSED_ARG(len);
+  LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+  id = (u8_t)od->id_inst_ptr[0];
+  switch (id)
+  {
+    case 1: /* icmpInMsgs */
+      *uint_ptr = icmpinmsgs;
+      break;
+    case 2: /* icmpInErrors */
+      *uint_ptr = icmpinerrors;
+      break;
+    case 3: /* icmpInDestUnreachs */
+      *uint_ptr = icmpindestunreachs;
+      break;
+    case 4: /* icmpInTimeExcds */
+      *uint_ptr = icmpintimeexcds;
+      break;
+    case 5: /* icmpInParmProbs */
+      *uint_ptr = icmpinparmprobs;
+      break;
+    case 6: /* icmpInSrcQuenchs */
+      *uint_ptr = icmpinsrcquenchs;
+      break;
+    case 7: /* icmpInRedirects */
+      *uint_ptr = icmpinredirects;
+      break;
+    case 8: /* icmpInEchos */
+      *uint_ptr = icmpinechos;
+      break;
+    case 9: /* icmpInEchoReps */
+      *uint_ptr = icmpinechoreps;
+      break;
+    case 10: /* icmpInTimestamps */
+      *uint_ptr = icmpintimestamps;
+      break;
+    case 11: /* icmpInTimestampReps */
+      *uint_ptr = icmpintimestampreps;
+      break;
+    case 12: /* icmpInAddrMasks */
+      *uint_ptr = icmpinaddrmasks;
+      break;
+    case 13: /* icmpInAddrMaskReps */
+      *uint_ptr = icmpinaddrmaskreps;
+      break;
+    case 14: /* icmpOutMsgs */
+      *uint_ptr = icmpoutmsgs;
+      break;
+    case 15: /* icmpOutErrors */
+      *uint_ptr = icmpouterrors;
+      break;
+    case 16: /* icmpOutDestUnreachs */
+      *uint_ptr = icmpoutdestunreachs;
+      break;
+    case 17: /* icmpOutTimeExcds */
+      *uint_ptr = icmpouttimeexcds;
+      break;
+    case 18: /* icmpOutParmProbs */
+      *uint_ptr = icmpoutparmprobs;
+      break;
+    case 19: /* icmpOutSrcQuenchs */
+      *uint_ptr = icmpoutsrcquenchs;
+      break;
+    case 20: /* icmpOutRedirects */
+      *uint_ptr = icmpoutredirects;
+      break;
+    case 21: /* icmpOutEchos */
+      *uint_ptr = icmpoutechos;
+      break;
+    case 22: /* icmpOutEchoReps */
+      *uint_ptr = icmpoutechoreps;
+      break;
+    case 23: /* icmpOutTimestamps */
+      *uint_ptr = icmpouttimestamps;
+      break;
+    case 24: /* icmpOutTimestampReps */
+      *uint_ptr = icmpouttimestampreps;
+      break;
+    case 25: /* icmpOutAddrMasks */
+      *uint_ptr = icmpoutaddrmasks;
+      break;
+    case 26: /* icmpOutAddrMaskReps */
+      *uint_ptr = icmpoutaddrmaskreps;
+      break;
+  }
+}
+
+#if LWIP_TCP
+/** @todo tcp grp */
+static void
+tcp_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  u8_t id;
+
+  /* return to object name, adding index depth (1) */
+  ident_len += 1;
+  ident -= 1;
+  if (ident_len == 2)
+  {
+    od->id_inst_len = ident_len;
+    od->id_inst_ptr = ident;
+
+    LWIP_ASSERT("invalid id", (ident[0] >= 0) && (ident[0] <= 0xff));
+    id = (u8_t)ident[0];
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("get_object_def tcp.%"U16_F".0\n",(u16_t)id));
+
+    switch (id)
+    {
+      case 1: /* tcpRtoAlgorithm */
+      case 2: /* tcpRtoMin */
+      case 3: /* tcpRtoMax */
+      case 4: /* tcpMaxConn */
+        od->instance = MIB_OBJECT_SCALAR;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      case 5: /* tcpActiveOpens */
+      case 6: /* tcpPassiveOpens */
+      case 7: /* tcpAttemptFails */
+      case 8: /* tcpEstabResets */
+      case 10: /* tcpInSegs */
+      case 11: /* tcpOutSegs */
+      case 12: /* tcpRetransSegs */
+      case 14: /* tcpInErrs */
+      case 15: /* tcpOutRsts */
+        od->instance = MIB_OBJECT_SCALAR;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_COUNTER);
+        od->v_len = sizeof(u32_t);
+        break;
+      case 9: /* tcpCurrEstab */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_GAUGE);
+        od->v_len = sizeof(u32_t);
+        break;
+      default:
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("tcp_get_object_def: no such object\n"));
+        od->instance = MIB_OBJECT_NONE;
+        break;
+    };
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("tcp_get_object_def: no scalar\n"));
+    od->instance = MIB_OBJECT_NONE;
+  }
+}
+
+static void
+tcp_get_value(struct obj_def *od, u16_t len, void *value)
+{
+  u32_t *uint_ptr = (u32_t*)value;
+  s32_t *sint_ptr = (s32_t*)value;
+  u8_t id;
+
+  LWIP_UNUSED_ARG(len);
+  LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+  id = (u8_t)od->id_inst_ptr[0];
+  switch (id)
+  {
+    case 1: /* tcpRtoAlgorithm, vanj(4) */
+      *sint_ptr = 4;
+      break;
+    case 2: /* tcpRtoMin */
+      /* @todo not the actual value, a guess,
+          needs to be calculated */
+      *sint_ptr = 1000;
+      break;
+    case 3: /* tcpRtoMax */
+      /* @todo not the actual value, a guess,
+         needs to be calculated */
+      *sint_ptr = 60000;
+      break;
+    case 4: /* tcpMaxConn */
+      *sint_ptr = MEMP_NUM_TCP_PCB;
+      break;
+    case 5: /* tcpActiveOpens */
+      *uint_ptr = tcpactiveopens;
+      break;
+    case 6: /* tcpPassiveOpens */
+      *uint_ptr = tcppassiveopens;
+      break;
+    case 7: /* tcpAttemptFails */
+      *uint_ptr = tcpattemptfails;
+      break;
+    case 8: /* tcpEstabResets */
+      *uint_ptr = tcpestabresets;
+      break;
+    case 9: /* tcpCurrEstab */
+      {
+        u16_t tcpcurrestab = 0;
+        struct tcp_pcb *pcb = tcp_active_pcbs;
+        while (pcb != NULL)
+        {
+          if ((pcb->state == ESTABLISHED) ||
+              (pcb->state == CLOSE_WAIT))
+          {
+            tcpcurrestab++;
+          }
+          pcb = pcb->next;
+        }
+        *uint_ptr = tcpcurrestab;
+      }
+      break;
+    case 10: /* tcpInSegs */
+      *uint_ptr = tcpinsegs;
+      break;
+    case 11: /* tcpOutSegs */
+      *uint_ptr = tcpoutsegs;
+      break;
+    case 12: /* tcpRetransSegs */
+      *uint_ptr = tcpretranssegs;
+      break;
+    case 14: /* tcpInErrs */
+      *uint_ptr = tcpinerrs;
+      break;
+    case 15: /* tcpOutRsts */
+      *uint_ptr = tcpoutrsts;
+      break;
+  }
+}
+#ifdef THIS_SEEMS_UNUSED
+static void
+tcpconnentry_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  /* return to object name, adding index depth (10) */
+  ident_len += 10;
+  ident -= 10;
+
+  if (ident_len == 11)
+  {
+    u8_t id;
+
+    od->id_inst_len = ident_len;
+    od->id_inst_ptr = ident;
+
+    id = ident[0];
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("get_object_def tcp.%"U16_F".0\n",(u16_t)id));
+
+    switch (id)
+    {
+      case 1: /* tcpConnState */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      case 2: /* tcpConnLocalAddress */
+      case 4: /* tcpConnRemAddress */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_IPADDR);
+        od->v_len = 4;
+        break;
+      case 3: /* tcpConnLocalPort */
+      case 5: /* tcpConnRemPort */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      default:
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("tcpconnentry_get_object_def: no such object\n"));
+        od->instance = MIB_OBJECT_NONE;
+        break;
+    };
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("tcpconnentry_get_object_def: no such object\n"));
+    od->instance = MIB_OBJECT_NONE;
+  }
+}
+
+static void
+tcpconnentry_get_value(struct obj_def *od, u16_t len, void *value)
+{
+  ip_addr_t lip, rip;
+  u16_t lport, rport;
+  s32_t *ident;
+
+  ident = od->id_inst_ptr;
+  snmp_oidtoip(&ident[1], &lip);
+  lport = ident[5];
+  snmp_oidtoip(&ident[6], &rip);
+  rport = ident[10];
+
+  /** @todo find matching PCB */
+}
+#endif /* if 0 */
+#endif
+
+static void
+udp_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  /* return to object name, adding index depth (1) */
+  ident_len += 1;
+  ident -= 1;
+  if ((ident_len == 2) &&
+      (ident[0] > 0) && (ident[0] < 6))
+  {
+    od->id_inst_len = ident_len;
+    od->id_inst_ptr = ident;
+
+    od->instance = MIB_OBJECT_SCALAR;
+    od->access = MIB_OBJECT_READ_ONLY;
+    od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_COUNTER);
+    od->v_len = sizeof(u32_t);
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("udp_get_object_def: no scalar\n"));
+    od->instance = MIB_OBJECT_NONE;
+  }
+}
+
+static void
+udp_get_value(struct obj_def *od, u16_t len, void *value)
+{
+  u32_t *uint_ptr = (u32_t*)value;
+  u8_t id;
+
+  LWIP_UNUSED_ARG(len);
+  LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+  id = (u8_t)od->id_inst_ptr[0];
+  switch (id)
+  {
+    case 1: /* udpInDatagrams */
+      *uint_ptr = udpindatagrams;
+      break;
+    case 2: /* udpNoPorts */
+      *uint_ptr = udpnoports;
+      break;
+    case 3: /* udpInErrors */
+      *uint_ptr = udpinerrors;
+      break;
+    case 4: /* udpOutDatagrams */
+      *uint_ptr = udpoutdatagrams;
+      break;
+  }
+}
+
+static void
+udpentry_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  /* return to object name, adding index depth (5) */
+  ident_len += 5;
+  ident -= 5;
+
+  if (ident_len == 6)
+  {
+    od->id_inst_len = ident_len;
+    od->id_inst_ptr = ident;
+
+    switch (ident[0])
+    {
+      case 1: /* udpLocalAddress */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_IPADDR);
+        od->v_len = 4;
+        break;
+      case 2: /* udpLocalPort */
+        od->instance = MIB_OBJECT_TAB;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      default:
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("udpentry_get_object_def: no such object\n"));
+        od->instance = MIB_OBJECT_NONE;
+        break;
+    }
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("udpentry_get_object_def: no scalar\n"));
+    od->instance = MIB_OBJECT_NONE;
+  }
+}
+
+static void
+udpentry_get_value(struct obj_def *od, u16_t len, void *value)
+{
+  u8_t id;
+  struct udp_pcb *pcb;
+  ip_addr_t ip;
+  u16_t port;
+
+  LWIP_UNUSED_ARG(len);
+  snmp_oidtoip(&od->id_inst_ptr[1], &ip);
+  LWIP_ASSERT("invalid port", (od->id_inst_ptr[5] >= 0) && (od->id_inst_ptr[5] <= 0xffff));
+  port = (u16_t)od->id_inst_ptr[5];
+
+  pcb = udp_pcbs;
+  while ((pcb != NULL) &&
+         !(ip_addr_cmp(&pcb->local_ip, &ip) &&
+           (pcb->local_port == port)))
+  {
+    pcb = pcb->next;
+  }
+
+  if (pcb != NULL)
+  {
+    LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+    id = (u8_t)od->id_inst_ptr[0];
+    switch (id)
+    {
+      case 1: /* udpLocalAddress */
+        {
+          ip_addr_t *dst = (ip_addr_t*)value;
+          *dst = pcb->local_ip;
+        }
+        break;
+      case 2: /* udpLocalPort */
+        {
+          s32_t *sint_ptr = (s32_t*)value;
+          *sint_ptr = pcb->local_port;
+        }
+        break;
+    }
+  }
+}
+
+static void
+snmp_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od)
+{
+  /* return to object name, adding index depth (1) */
+  ident_len += 1;
+  ident -= 1;
+  if (ident_len == 2)
+  {
+    u8_t id;
+
+    od->id_inst_len = ident_len;
+    od->id_inst_ptr = ident;
+
+    LWIP_ASSERT("invalid id", (ident[0] >= 0) && (ident[0] <= 0xff));
+    id = (u8_t)ident[0];
+    switch (id)
+    {
+      case 1: /* snmpInPkts */
+      case 2: /* snmpOutPkts */
+      case 3: /* snmpInBadVersions */
+      case 4: /* snmpInBadCommunityNames */
+      case 5: /* snmpInBadCommunityUses */
+      case 6: /* snmpInASNParseErrs */
+      case 8: /* snmpInTooBigs */
+      case 9: /* snmpInNoSuchNames */
+      case 10: /* snmpInBadValues */
+      case 11: /* snmpInReadOnlys */
+      case 12: /* snmpInGenErrs */
+      case 13: /* snmpInTotalReqVars */
+      case 14: /* snmpInTotalSetVars */
+      case 15: /* snmpInGetRequests */
+      case 16: /* snmpInGetNexts */
+      case 17: /* snmpInSetRequests */
+      case 18: /* snmpInGetResponses */
+      case 19: /* snmpInTraps */
+      case 20: /* snmpOutTooBigs */
+      case 21: /* snmpOutNoSuchNames */
+      case 22: /* snmpOutBadValues */
+      case 24: /* snmpOutGenErrs */
+      case 25: /* snmpOutGetRequests */
+      case 26: /* snmpOutGetNexts */
+      case 27: /* snmpOutSetRequests */
+      case 28: /* snmpOutGetResponses */
+      case 29: /* snmpOutTraps */
+        od->instance = MIB_OBJECT_SCALAR;
+        od->access = MIB_OBJECT_READ_ONLY;
+        od->asn_type = (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_COUNTER);
+        od->v_len = sizeof(u32_t);
+        break;
+      case 30: /* snmpEnableAuthenTraps */
+        od->instance = MIB_OBJECT_SCALAR;
+        od->access = MIB_OBJECT_READ_WRITE;
+        od->asn_type = (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG);
+        od->v_len = sizeof(s32_t);
+        break;
+      default:
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("snmp_get_object_def: no such object\n"));
+        od->instance = MIB_OBJECT_NONE;
+        break;
+    };
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("snmp_get_object_def: no scalar\n"));
+    od->instance = MIB_OBJECT_NONE;
+  }
+}
+
+static void
+snmp_get_value(struct obj_def *od, u16_t len, void *value)
+{
+  u32_t *uint_ptr = (u32_t*)value;
+  u8_t id;
+
+  LWIP_UNUSED_ARG(len);
+  LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+  id = (u8_t)od->id_inst_ptr[0];
+  switch (id)
+  {
+      case 1: /* snmpInPkts */
+        *uint_ptr = snmpinpkts;
+        break;
+      case 2: /* snmpOutPkts */
+        *uint_ptr = snmpoutpkts;
+        break;
+      case 3: /* snmpInBadVersions */
+        *uint_ptr = snmpinbadversions;
+        break;
+      case 4: /* snmpInBadCommunityNames */
+        *uint_ptr = snmpinbadcommunitynames;
+        break;
+      case 5: /* snmpInBadCommunityUses */
+        *uint_ptr = snmpinbadcommunityuses;
+        break;
+      case 6: /* snmpInASNParseErrs */
+        *uint_ptr = snmpinasnparseerrs;
+        break;
+      case 8: /* snmpInTooBigs */
+        *uint_ptr = snmpintoobigs;
+        break;
+      case 9: /* snmpInNoSuchNames */
+        *uint_ptr = snmpinnosuchnames;
+        break;
+      case 10: /* snmpInBadValues */
+        *uint_ptr = snmpinbadvalues;
+        break;
+      case 11: /* snmpInReadOnlys */
+        *uint_ptr = snmpinreadonlys;
+        break;
+      case 12: /* snmpInGenErrs */
+        *uint_ptr = snmpingenerrs;
+        break;
+      case 13: /* snmpInTotalReqVars */
+        *uint_ptr = snmpintotalreqvars;
+        break;
+      case 14: /* snmpInTotalSetVars */
+        *uint_ptr = snmpintotalsetvars;
+        break;
+      case 15: /* snmpInGetRequests */
+        *uint_ptr = snmpingetrequests;
+        break;
+      case 16: /* snmpInGetNexts */
+        *uint_ptr = snmpingetnexts;
+        break;
+      case 17: /* snmpInSetRequests */
+        *uint_ptr = snmpinsetrequests;
+        break;
+      case 18: /* snmpInGetResponses */
+        *uint_ptr = snmpingetresponses;
+        break;
+      case 19: /* snmpInTraps */
+        *uint_ptr = snmpintraps;
+        break;
+      case 20: /* snmpOutTooBigs */
+        *uint_ptr = snmpouttoobigs;
+        break;
+      case 21: /* snmpOutNoSuchNames */
+        *uint_ptr = snmpoutnosuchnames;
+        break;
+      case 22: /* snmpOutBadValues */
+        *uint_ptr = snmpoutbadvalues;
+        break;
+      case 24: /* snmpOutGenErrs */
+        *uint_ptr = snmpoutgenerrs;
+        break;
+      case 25: /* snmpOutGetRequests */
+        *uint_ptr = snmpoutgetrequests;
+        break;
+      case 26: /* snmpOutGetNexts */
+        *uint_ptr = snmpoutgetnexts;
+        break;
+      case 27: /* snmpOutSetRequests */
+        *uint_ptr = snmpoutsetrequests;
+        break;
+      case 28: /* snmpOutGetResponses */
+        *uint_ptr = snmpoutgetresponses;
+        break;
+      case 29: /* snmpOutTraps */
+        *uint_ptr = snmpouttraps;
+        break;
+      case 30: /* snmpEnableAuthenTraps */
+        *uint_ptr = *snmpenableauthentraps_ptr;
+        break;
+  };
+}
+
+/**
+ * Test snmp object value before setting.
+ *
+ * @param od is the object definition
+ * @param len return value space (in bytes)
+ * @param value points to (varbind) space to copy value from.
+ */
+static u8_t
+snmp_set_test(struct obj_def *od, u16_t len, void *value)
+{
+  u8_t id, set_ok;
+
+  LWIP_UNUSED_ARG(len);
+  set_ok = 0;
+  LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+  id = (u8_t)od->id_inst_ptr[0];
+  if (id == 30)
+  {
+    /* snmpEnableAuthenTraps */
+    s32_t *sint_ptr = (s32_t*)value;
+
+    if (snmpenableauthentraps_ptr != &snmpenableauthentraps_default)
+    {
+      /* we should have writable non-volatile mem here */
+      if ((*sint_ptr == 1) || (*sint_ptr == 2))
+      {
+        set_ok = 1;
+      }
+    }
+    else
+    {
+      /* const or hardwired value */
+      if (*sint_ptr == snmpenableauthentraps_default)
+      {
+        set_ok = 1;
+      }
+    }
+  }
+  return set_ok;
+}
+
+static void
+snmp_set_value(struct obj_def *od, u16_t len, void *value)
+{
+  u8_t id;
+
+  LWIP_UNUSED_ARG(len);
+  LWIP_ASSERT("invalid id", (od->id_inst_ptr[0] >= 0) && (od->id_inst_ptr[0] <= 0xff));
+  id = (u8_t)od->id_inst_ptr[0];
+  if (id == 30)
+  {
+    /* snmpEnableAuthenTraps */
+    /* @todo @fixme: which kind of pointer is 'value'? s32_t or u8_t??? */
+    u8_t *ptr = (u8_t*)value;
+    *snmpenableauthentraps_ptr = *ptr;
+  }
+}
+
+#endif /* LWIP_SNMP */
diff --git a/libraries/net/lwip/lwip/core/snmp/mib_structs.c b/libraries/net/lwip/lwip/core/snmp/mib_structs.c
new file mode 100644
index 0000000000..2f185cb436
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/snmp/mib_structs.c
@@ -0,0 +1,1174 @@
+/**
+ * @file
+ * MIB tree access/construction functions.
+ */
+
+/*
+ * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Christiaan Simons 
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/snmp_structs.h"
+#include "lwip/memp.h"
+#include "lwip/netif.h"
+
+/** .iso.org.dod.internet address prefix, @see snmp_iso_*() */
+const s32_t prefix[4] = {1, 3, 6, 1};
+
+#define NODE_STACK_SIZE (LWIP_SNMP_OBJ_ID_LEN)
+/** node stack entry (old news?) */
+struct nse
+{
+  /** right child */
+  struct mib_node* r_ptr;
+  /** right child identifier */
+  s32_t r_id;
+  /** right child next level */
+  u8_t r_nl;
+};
+static u8_t node_stack_cnt;
+static struct nse node_stack[NODE_STACK_SIZE];
+
+/**
+ * Pushes nse struct onto stack.
+ */
+static void
+push_node(struct nse* node)
+{
+  LWIP_ASSERT("node_stack_cnt < NODE_STACK_SIZE",node_stack_cnt < NODE_STACK_SIZE);
+  LWIP_DEBUGF(SNMP_MIB_DEBUG,("push_node() node=%p id=%"S32_F"\n",(void*)(node->r_ptr),node->r_id));
+  if (node_stack_cnt < NODE_STACK_SIZE)
+  {
+    node_stack[node_stack_cnt] = *node;
+    node_stack_cnt++;
+  }
+}
+
+/**
+ * Pops nse struct from stack.
+ */
+static void
+pop_node(struct nse* node)
+{
+  if (node_stack_cnt > 0)
+  {
+    node_stack_cnt--;
+    *node = node_stack[node_stack_cnt];
+  }
+  LWIP_DEBUGF(SNMP_MIB_DEBUG,("pop_node() node=%p id=%"S32_F"\n",(void *)(node->r_ptr),node->r_id));
+}
+
+/**
+ * Conversion from ifIndex to lwIP netif
+ * @param ifindex is a s32_t object sub-identifier
+ * @param netif points to returned netif struct pointer
+ */
+void
+snmp_ifindextonetif(s32_t ifindex, struct netif **netif)
+{
+  struct netif *nif = netif_list;
+  s32_t i, ifidx;
+
+  ifidx = ifindex - 1;
+  i = 0;
+  while ((nif != NULL) && (i < ifidx))
+  {
+    nif = nif->next;
+    i++;
+  }
+  *netif = nif;
+}
+
+/**
+ * Conversion from lwIP netif to ifIndex
+ * @param netif points to a netif struct
+ * @param ifidx points to s32_t object sub-identifier
+ */
+void
+snmp_netiftoifindex(struct netif *netif, s32_t *ifidx)
+{
+  struct netif *nif = netif_list;
+  u16_t i;
+
+  i = 0;
+  while ((nif != NULL) && (nif != netif))
+  {
+    nif = nif->next;
+    i++;
+  }
+  *ifidx = i+1;
+}
+
+/**
+ * Conversion from oid to lwIP ip_addr
+ * @param ident points to s32_t ident[4] input
+ * @param ip points to output struct
+ */
+void
+snmp_oidtoip(s32_t *ident, ip_addr_t *ip)
+{
+  IP4_ADDR(ip, ident[0], ident[1], ident[2], ident[3]);
+}
+
+/**
+ * Conversion from lwIP ip_addr to oid
+ * @param ip points to input struct
+ * @param ident points to s32_t ident[4] output
+ */
+void
+snmp_iptooid(ip_addr_t *ip, s32_t *ident)
+{
+  ident[0] = ip4_addr1(ip);
+  ident[1] = ip4_addr2(ip);
+  ident[2] = ip4_addr3(ip);
+  ident[3] = ip4_addr4(ip);
+}
+
+struct mib_list_node *
+snmp_mib_ln_alloc(s32_t id)
+{
+  struct mib_list_node *ln;
+
+  ln = (struct mib_list_node *)memp_malloc(MEMP_SNMP_NODE);
+  if (ln != NULL)
+  {
+    ln->prev = NULL;
+    ln->next = NULL;
+    ln->objid = id;
+    ln->nptr = NULL;
+  }
+  return ln;
+}
+
+void
+snmp_mib_ln_free(struct mib_list_node *ln)
+{
+  memp_free(MEMP_SNMP_NODE, ln);
+}
+
+struct mib_list_rootnode *
+snmp_mib_lrn_alloc(void)
+{
+  struct mib_list_rootnode *lrn;
+
+  lrn = (struct mib_list_rootnode*)memp_malloc(MEMP_SNMP_ROOTNODE);
+  if (lrn != NULL)
+  {
+    lrn->get_object_def = noleafs_get_object_def;
+    lrn->get_value = noleafs_get_value;
+    lrn->set_test = noleafs_set_test;
+    lrn->set_value = noleafs_set_value;
+    lrn->node_type = MIB_NODE_LR;
+    lrn->maxlength = 0;
+    lrn->head = NULL;
+    lrn->tail = NULL;
+    lrn->count = 0;
+  }
+  return lrn;
+}
+
+void
+snmp_mib_lrn_free(struct mib_list_rootnode *lrn)
+{
+  memp_free(MEMP_SNMP_ROOTNODE, lrn);
+}
+
+/**
+ * Inserts node in idx list in a sorted
+ * (ascending order) fashion and
+ * allocates the node if needed.
+ *
+ * @param rn points to the root node
+ * @param objid is the object sub identifier
+ * @param insn points to a pointer to the inserted node
+ *   used for constructing the tree.
+ * @return -1 if failed, 1 if inserted, 2 if present.
+ */
+s8_t
+snmp_mib_node_insert(struct mib_list_rootnode *rn, s32_t objid, struct mib_list_node **insn)
+{
+  struct mib_list_node *nn;
+  s8_t insert;
+
+  LWIP_ASSERT("rn != NULL",rn != NULL);
+
+  /* -1 = malloc failure, 0 = not inserted, 1 = inserted, 2 = was present */
+  insert = 0;
+  if (rn->head == NULL)
+  {
+    /* empty list, add first node */
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("alloc empty list objid==%"S32_F"\n",objid));
+    nn = snmp_mib_ln_alloc(objid);
+    if (nn != NULL)
+    {
+      rn->head = nn;
+      rn->tail = nn;
+      *insn = nn;
+      insert = 1;
+    }
+    else
+    {
+      insert = -1;
+    }
+  }
+  else
+  {
+    struct mib_list_node *n;
+    /* at least one node is present */
+    n = rn->head;
+    while ((n != NULL) && (insert == 0))
+    {
+      if (n->objid == objid)
+      {
+        /* node is already there */
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("node already there objid==%"S32_F"\n",objid));
+        *insn = n;
+        insert = 2;
+      }
+      else if (n->objid < objid)
+      {
+        if (n->next == NULL)
+        {
+          /* alloc and insert at the tail */
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("alloc ins tail objid==%"S32_F"\n",objid));
+          nn = snmp_mib_ln_alloc(objid);
+          if (nn != NULL)
+          {
+            nn->next = NULL;
+            nn->prev = n;
+            n->next = nn;
+            rn->tail = nn;
+            *insn = nn;
+            insert = 1;
+          }
+          else
+          {
+            /* insertion failure */
+            insert = -1;
+          }
+        }
+        else
+        {
+          /* there's more to explore: traverse list */
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("traverse list\n"));
+          n = n->next;
+        }
+      }
+      else
+      {
+        /* n->objid > objid */
+        /* alloc and insert between n->prev and n */
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("alloc ins n->prev, objid==%"S32_F", n\n",objid));
+        nn = snmp_mib_ln_alloc(objid);
+        if (nn != NULL)
+        {
+          if (n->prev == NULL)
+          {
+            /* insert at the head */
+            nn->next = n;
+            nn->prev = NULL;
+            rn->head = nn;
+            n->prev = nn;
+          }
+          else
+          {
+            /* insert in the middle */
+            nn->next = n;
+            nn->prev = n->prev;
+            n->prev->next = nn;
+            n->prev = nn;
+          }
+          *insn = nn;
+          insert = 1;
+        }
+        else
+        {
+          /* insertion failure */
+          insert = -1;
+        }
+      }
+    }
+  }
+  if (insert == 1)
+  {
+    rn->count += 1;
+  }
+  LWIP_ASSERT("insert != 0",insert != 0);
+  return insert;
+}
+
+/**
+ * Finds node in idx list and returns deletion mark.
+ *
+ * @param rn points to the root node
+ * @param objid  is the object sub identifier
+ * @param fn returns pointer to found node
+ * @return 0 if not found, 1 if deletable,
+ *   2 can't delete (2 or more children), 3 not a list_node
+ */
+s8_t
+snmp_mib_node_find(struct mib_list_rootnode *rn, s32_t objid, struct mib_list_node **fn)
+{
+  s8_t fc;
+  struct mib_list_node *n;
+
+  LWIP_ASSERT("rn != NULL",rn != NULL);
+  n = rn->head;
+  while ((n != NULL) && (n->objid != objid))
+  {
+    n = n->next;
+  }
+  if (n == NULL)
+  {
+    fc = 0;
+  }
+  else if (n->nptr == NULL)
+  {
+    /* leaf, can delete node */
+    fc = 1;
+  }
+  else
+  {
+    struct mib_list_rootnode *r;
+
+    if (n->nptr->node_type == MIB_NODE_LR)
+    {
+      r = (struct mib_list_rootnode *)n->nptr;
+      if (r->count > 1)
+      {
+        /* can't delete node */
+        fc = 2;
+      }
+      else
+      {
+        /* count <= 1, can delete node */
+        fc = 1;
+      }
+    }
+    else
+    {
+      /* other node type */
+      fc = 3;
+    }
+  }
+  *fn = n;
+  return fc;
+}
+
+/**
+ * Removes node from idx list
+ * if it has a single child left.
+ *
+ * @param rn points to the root node
+ * @param n points to the node to delete
+ * @return the nptr to be freed by caller
+ */
+struct mib_list_rootnode *
+snmp_mib_node_delete(struct mib_list_rootnode *rn, struct mib_list_node *n)
+{
+  struct mib_list_rootnode *next;
+
+  LWIP_ASSERT("rn != NULL",rn != NULL);
+  LWIP_ASSERT("n != NULL",n != NULL);
+
+  /* caller must remove this sub-tree */
+  next = (struct mib_list_rootnode*)(n->nptr);
+  rn->count -= 1;
+
+  if (n == rn->head)
+  {
+    rn->head = n->next;
+    if (n->next != NULL)
+    {
+      /* not last node, new list begin */
+      n->next->prev = NULL;
+    }
+  }
+  else if (n == rn->tail)
+  {
+    rn->tail = n->prev;
+    if (n->prev != NULL)
+    {
+      /* not last node, new list end */
+      n->prev->next = NULL;
+    }
+  }
+  else
+  {
+    /* node must be in the middle */
+    n->prev->next = n->next;
+    n->next->prev = n->prev;
+  }
+  LWIP_DEBUGF(SNMP_MIB_DEBUG,("free list objid==%"S32_F"\n",n->objid));
+  snmp_mib_ln_free(n);
+  if (rn->count == 0)
+  {
+    rn->head = NULL;
+    rn->tail = NULL;
+  }
+  return next;
+}
+
+
+
+/**
+ * Searches tree for the supplied (scalar?) object identifier.
+ *
+ * @param node points to the root of the tree ('.internet')
+ * @param ident_len the length of the supplied object identifier
+ * @param ident points to the array of sub identifiers
+ * @param np points to the found object instance (return)
+ * @return pointer to the requested parent (!) node if success, NULL otherwise
+ */
+struct mib_node *
+snmp_search_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snmp_name_ptr *np)
+{
+  u8_t node_type, ext_level;
+
+  ext_level = 0;
+  LWIP_DEBUGF(SNMP_MIB_DEBUG,("node==%p *ident==%"S32_F"\n",(void*)node,*ident));
+  while (node != NULL)
+  {
+    node_type = node->node_type;
+    if ((node_type == MIB_NODE_AR) || (node_type == MIB_NODE_RA))
+    {
+      struct mib_array_node *an;
+      u16_t i;
+
+      if (ident_len > 0)
+      {
+        /* array node (internal ROM or RAM, fixed length) */
+        an = (struct mib_array_node *)node;
+        i = 0;
+        while ((i < an->maxlength) && (an->objid[i] != *ident))
+        {
+          i++;
+        }
+        if (i < an->maxlength)
+        {
+          /* found it, if available proceed to child, otherwise inspect leaf */
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("an->objid[%"U16_F"]==%"S32_F" *ident==%"S32_F"\n",i,an->objid[i],*ident));
+          if (an->nptr[i] == NULL)
+          {
+            /* a scalar leaf OR table,
+               inspect remaining instance number / table index */
+            np->ident_len = ident_len;
+            np->ident = ident;
+            return (struct mib_node*)an;
+          }
+          else
+          {
+            /* follow next child pointer */
+            ident++;
+            ident_len--;
+            node = an->nptr[i];
+          }
+        }
+        else
+        {
+          /* search failed, identifier mismatch (nosuchname) */
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("an search failed *ident==%"S32_F"\n",*ident));
+          return NULL;
+        }
+      }
+      else
+      {
+        /* search failed, short object identifier (nosuchname) */
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("an search failed, short object identifier\n"));
+        return NULL;
+      }
+    }
+    else if(node_type == MIB_NODE_LR)
+    {
+      struct mib_list_rootnode *lrn;
+      struct mib_list_node *ln;
+
+      if (ident_len > 0)
+      {
+        /* list root node (internal 'RAM', variable length) */
+        lrn = (struct mib_list_rootnode *)node;
+        ln = lrn->head;
+        /* iterate over list, head to tail */
+        while ((ln != NULL) && (ln->objid != *ident))
+        {
+          ln = ln->next;
+        }
+        if (ln != NULL)
+        {
+          /* found it, proceed to child */;
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("ln->objid==%"S32_F" *ident==%"S32_F"\n",ln->objid,*ident));
+          if (ln->nptr == NULL)
+          {
+            np->ident_len = ident_len;
+            np->ident = ident;
+            return (struct mib_node*)lrn;
+          }
+          else
+          {
+            /* follow next child pointer */
+            ident_len--;
+            ident++;
+            node = ln->nptr;
+          }
+        }
+        else
+        {
+          /* search failed */
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("ln search failed *ident==%"S32_F"\n",*ident));
+          return NULL;
+        }
+      }
+      else
+      {
+        /* search failed, short object identifier (nosuchname) */
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("ln search failed, short object identifier\n"));
+        return NULL;
+      }
+    }
+    else if(node_type == MIB_NODE_EX)
+    {
+      struct mib_external_node *en;
+      u16_t i, len;
+
+      if (ident_len > 0)
+      {
+        /* external node (addressing and access via functions) */
+        en = (struct mib_external_node *)node;
+
+        i = 0;
+        len = en->level_length(en->addr_inf,ext_level);
+        while ((i < len) && (en->ident_cmp(en->addr_inf,ext_level,i,*ident) != 0))
+        {
+          i++;
+        }
+        if (i < len)
+        {
+          s32_t debug_id;
+
+          en->get_objid(en->addr_inf,ext_level,i,&debug_id);
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("en->objid==%"S32_F" *ident==%"S32_F"\n",debug_id,*ident));
+          if ((ext_level + 1) == en->tree_levels)
+          {
+            np->ident_len = ident_len;
+            np->ident = ident;
+            return (struct mib_node*)en;
+          }
+          else
+          {
+            /* found it, proceed to child */
+            ident_len--;
+            ident++;
+            ext_level++;
+          }
+        }
+        else
+        {
+          /* search failed */
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("en search failed *ident==%"S32_F"\n",*ident));
+          return NULL;
+        }
+      }
+      else
+      {
+        /* search failed, short object identifier (nosuchname) */
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("en search failed, short object identifier\n"));
+        return NULL;
+      }
+    }
+    else if (node_type == MIB_NODE_SC)
+    {
+      mib_scalar_node *sn;
+
+      sn = (mib_scalar_node *)node;
+      if ((ident_len == 1) && (*ident == 0))
+      {
+        np->ident_len = ident_len;
+        np->ident = ident;
+        return (struct mib_node*)sn;
+      }
+      else
+      {
+        /* search failed, short object identifier (nosuchname) */
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("search failed, invalid object identifier length\n"));
+        return NULL;
+      }
+    }
+    else
+    {
+      /* unknown node_type */
+      LWIP_DEBUGF(SNMP_MIB_DEBUG,("search failed node_type %"U16_F" unkown\n",(u16_t)node_type));
+      return NULL;
+    }
+  }
+  /* done, found nothing */
+  LWIP_DEBUGF(SNMP_MIB_DEBUG,("search failed node==%p\n",(void*)node));
+  return NULL;
+}
+
+/**
+ * Test table for presence of at least one table entry.
+ */
+static u8_t
+empty_table(struct mib_node *node)
+{
+  u8_t node_type;
+  u8_t empty = 0;
+
+  if (node != NULL)
+  {
+    node_type = node->node_type;
+    if (node_type == MIB_NODE_LR)
+    {
+      struct mib_list_rootnode *lrn;
+      lrn = (struct mib_list_rootnode *)node;
+      if ((lrn->count == 0) || (lrn->head == NULL))
+      {
+        empty = 1;
+      }
+    }
+    else if ((node_type == MIB_NODE_AR) || (node_type == MIB_NODE_RA))
+    {
+      struct mib_array_node *an;
+      an = (struct mib_array_node *)node;
+      if ((an->maxlength == 0) || (an->nptr == NULL))
+      {
+        empty = 1;
+      }
+    }
+    else if (node_type == MIB_NODE_EX)
+    {
+      struct mib_external_node *en;
+      en = (struct mib_external_node *)node;
+      if (en->tree_levels == 0)
+      {
+        empty = 1;
+      }
+    }
+  }
+  return empty;
+}
+
+/**
+ * Tree expansion.
+ */
+struct mib_node *
+snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snmp_obj_id *oidret)
+{
+  u8_t node_type, ext_level, climb_tree;
+
+  ext_level = 0;
+  /* reset node stack */
+  node_stack_cnt = 0;
+  while (node != NULL)
+  {
+    climb_tree = 0;
+    node_type = node->node_type;
+    if ((node_type == MIB_NODE_AR) || (node_type == MIB_NODE_RA))
+    {
+      struct mib_array_node *an;
+      u16_t i;
+
+      /* array node (internal ROM or RAM, fixed length) */
+      an = (struct mib_array_node *)node;
+      if (ident_len > 0)
+      {
+        i = 0;
+        while ((i < an->maxlength) && (an->objid[i] < *ident))
+        {
+          i++;
+        }
+        if (i < an->maxlength)
+        {
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("an->objid[%"U16_F"]==%"S32_F" *ident==%"S32_F"\n",i,an->objid[i],*ident));
+          /* add identifier to oidret */
+          oidret->id[oidret->len] = an->objid[i];
+          (oidret->len)++;
+
+          if (an->nptr[i] == NULL)
+          {
+            LWIP_DEBUGF(SNMP_MIB_DEBUG,("leaf node\n"));
+            /* leaf node (e.g. in a fixed size table) */
+            if (an->objid[i] > *ident)
+            {
+              return (struct mib_node*)an;
+            }
+            else if ((i + 1) < an->maxlength)
+            {
+              /* an->objid[i] == *ident */
+              (oidret->len)--;
+              oidret->id[oidret->len] = an->objid[i + 1];
+              (oidret->len)++;
+              return (struct mib_node*)an;
+            }
+            else
+            {
+              /* (i + 1) == an->maxlength */
+              (oidret->len)--;
+              climb_tree = 1;
+            }
+          }
+          else
+          {
+            u8_t j;
+            struct nse cur_node;
+
+            LWIP_DEBUGF(SNMP_MIB_DEBUG,("non-leaf node\n"));
+            /* non-leaf, store right child ptr and id */
+            LWIP_ASSERT("i < 0xff", i < 0xff);
+            j = (u8_t)i + 1;
+            while ((j < an->maxlength) && (empty_table(an->nptr[j])))
+            {
+              j++;
+            }
+            if (j < an->maxlength)
+            {
+              cur_node.r_ptr = an->nptr[j];
+              cur_node.r_id = an->objid[j];
+              cur_node.r_nl = 0;
+            }
+            else
+            {
+              cur_node.r_ptr = NULL;
+            }
+            push_node(&cur_node);
+            if (an->objid[i] == *ident)
+            {
+              ident_len--;
+              ident++;
+            }
+            else
+            {
+              /* an->objid[i] < *ident */
+              ident_len = 0;
+            }
+            /* follow next child pointer */
+            node = an->nptr[i];
+          }
+        }
+        else
+        {
+          /* i == an->maxlength */
+          climb_tree = 1;
+        }
+      }
+      else
+      {
+        u8_t j;
+        /* ident_len == 0, complete with leftmost '.thing' */
+        j = 0;
+        while ((j < an->maxlength) && empty_table(an->nptr[j]))
+        {
+          j++;
+        }
+        if (j < an->maxlength)
+        {
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("left an->objid[j]==%"S32_F"\n",an->objid[j]));
+          oidret->id[oidret->len] = an->objid[j];
+          (oidret->len)++;
+          if (an->nptr[j] == NULL)
+          {
+            /* leaf node */
+            return (struct mib_node*)an;
+          }
+          else
+          {
+            /* no leaf, continue */
+            node = an->nptr[j];
+          }
+        }
+        else
+        {
+          /* j == an->maxlength */
+          climb_tree = 1;
+        }
+      }
+    }
+    else if(node_type == MIB_NODE_LR)
+    {
+      struct mib_list_rootnode *lrn;
+      struct mib_list_node *ln;
+
+      /* list root node (internal 'RAM', variable length) */
+      lrn = (struct mib_list_rootnode *)node;
+      if (ident_len > 0)
+      {
+        ln = lrn->head;
+        /* iterate over list, head to tail */
+        while ((ln != NULL) && (ln->objid < *ident))
+        {
+          ln = ln->next;
+        }
+        if (ln != NULL)
+        {
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("ln->objid==%"S32_F" *ident==%"S32_F"\n",ln->objid,*ident));
+          oidret->id[oidret->len] = ln->objid;
+          (oidret->len)++;
+          if (ln->nptr == NULL)
+          {
+            /* leaf node */
+            if (ln->objid > *ident)
+            {
+              return (struct mib_node*)lrn;
+            }
+            else if (ln->next != NULL)
+            {
+              /* ln->objid == *ident */
+              (oidret->len)--;
+              oidret->id[oidret->len] = ln->next->objid;
+              (oidret->len)++;
+              return (struct mib_node*)lrn;
+            }
+            else
+            {
+              /* ln->next == NULL */
+              (oidret->len)--;
+              climb_tree = 1;
+            }
+          }
+          else
+          {
+            struct mib_list_node *jn;
+            struct nse cur_node;
+
+            /* non-leaf, store right child ptr and id */
+            jn = ln->next;
+            while ((jn != NULL) && empty_table(jn->nptr))
+            {
+              jn = jn->next;
+            }
+            if (jn != NULL)
+            {
+              cur_node.r_ptr = jn->nptr;
+              cur_node.r_id = jn->objid;
+              cur_node.r_nl = 0;
+            }
+            else
+            {
+              cur_node.r_ptr = NULL;
+            }
+            push_node(&cur_node);
+            if (ln->objid == *ident)
+            {
+              ident_len--;
+              ident++;
+            }
+            else
+            {
+              /* ln->objid < *ident */
+              ident_len = 0;
+            }
+            /* follow next child pointer */
+            node = ln->nptr;
+          }
+
+        }
+        else
+        {
+          /* ln == NULL */
+          climb_tree = 1;
+        }
+      }
+      else
+      {
+        struct mib_list_node *jn;
+        /* ident_len == 0, complete with leftmost '.thing' */
+        jn = lrn->head;
+        while ((jn != NULL) && empty_table(jn->nptr))
+        {
+          jn = jn->next;
+        }
+        if (jn != NULL)
+        {
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("left jn->objid==%"S32_F"\n",jn->objid));
+          oidret->id[oidret->len] = jn->objid;
+          (oidret->len)++;
+          if (jn->nptr == NULL)
+          {
+            /* leaf node */
+            LWIP_DEBUGF(SNMP_MIB_DEBUG,("jn->nptr == NULL\n"));
+            return (struct mib_node*)lrn;
+          }
+          else
+          {
+            /* no leaf, continue */
+            node = jn->nptr;
+          }
+        }
+        else
+        {
+          /* jn == NULL */
+          climb_tree = 1;
+        }
+      }
+    }
+    else if(node_type == MIB_NODE_EX)
+    {
+      struct mib_external_node *en;
+      s32_t ex_id;
+
+      /* external node (addressing and access via functions) */
+      en = (struct mib_external_node *)node;
+      if (ident_len > 0)
+      {
+        u16_t i, len;
+
+        i = 0;
+        len = en->level_length(en->addr_inf,ext_level);
+        while ((i < len) && (en->ident_cmp(en->addr_inf,ext_level,i,*ident) < 0))
+        {
+          i++;
+        }
+        if (i < len)
+        {
+          /* add identifier to oidret */
+          en->get_objid(en->addr_inf,ext_level,i,&ex_id);
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("en->objid[%"U16_F"]==%"S32_F" *ident==%"S32_F"\n",i,ex_id,*ident));
+          oidret->id[oidret->len] = ex_id;
+          (oidret->len)++;
+
+          if ((ext_level + 1) == en->tree_levels)
+          {
+            LWIP_DEBUGF(SNMP_MIB_DEBUG,("leaf node\n"));
+            /* leaf node */
+            if (ex_id > *ident)
+            {
+              return (struct mib_node*)en;
+            }
+            else if ((i + 1) < len)
+            {
+              /* ex_id == *ident */
+              en->get_objid(en->addr_inf,ext_level,i + 1,&ex_id);
+              (oidret->len)--;
+              oidret->id[oidret->len] = ex_id;
+              (oidret->len)++;
+              return (struct mib_node*)en;
+            }
+            else
+            {
+              /* (i + 1) == len */
+              (oidret->len)--;
+              climb_tree = 1;
+            }
+          }
+          else
+          {
+            u8_t j;
+            struct nse cur_node;
+
+            LWIP_DEBUGF(SNMP_MIB_DEBUG,("non-leaf node\n"));
+            /* non-leaf, store right child ptr and id */
+            LWIP_ASSERT("i < 0xff", i < 0xff);
+            j = (u8_t)i + 1;
+            if (j < len)
+            {
+              /* right node is the current external node */
+              cur_node.r_ptr = node;
+              en->get_objid(en->addr_inf,ext_level,j,&cur_node.r_id);
+              cur_node.r_nl = ext_level + 1;
+            }
+            else
+            {
+              cur_node.r_ptr = NULL;
+            }
+            push_node(&cur_node);
+            if (en->ident_cmp(en->addr_inf,ext_level,i,*ident) == 0)
+            {
+              ident_len--;
+              ident++;
+            }
+            else
+            {
+              /* external id < *ident */
+              ident_len = 0;
+            }
+            /* proceed to child */
+            ext_level++;
+          }
+        }
+        else
+        {
+          /* i == len (en->level_len()) */
+          climb_tree = 1;
+        }
+      }
+      else
+      {
+        /* ident_len == 0, complete with leftmost '.thing' */
+        en->get_objid(en->addr_inf,ext_level,0,&ex_id);
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("left en->objid==%"S32_F"\n",ex_id));
+        oidret->id[oidret->len] = ex_id;
+        (oidret->len)++;
+        if ((ext_level + 1) == en->tree_levels)
+        {
+          /* leaf node */
+          LWIP_DEBUGF(SNMP_MIB_DEBUG,("(ext_level + 1) == en->tree_levels\n"));
+          return (struct mib_node*)en;
+        }
+        else
+        {
+          /* no leaf, proceed to child */
+          ext_level++;
+        }
+      }
+    }
+    else if(node_type == MIB_NODE_SC)
+    {
+      mib_scalar_node *sn;
+
+      /* scalar node  */
+      sn = (mib_scalar_node *)node;
+      if (ident_len > 0)
+      {
+        /* at .0 */
+        climb_tree = 1;
+      }
+      else
+      {
+        /* ident_len == 0, complete object identifier */
+        oidret->id[oidret->len] = 0;
+        (oidret->len)++;
+        /* leaf node */
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("completed scalar leaf\n"));
+        return (struct mib_node*)sn;
+      }
+    }
+    else
+    {
+      /* unknown/unhandled node_type */
+      LWIP_DEBUGF(SNMP_MIB_DEBUG,("expand failed node_type %"U16_F" unkown\n",(u16_t)node_type));
+      return NULL;
+    }
+
+    if (climb_tree)
+    {
+      struct nse child;
+
+      /* find right child ptr */
+      child.r_ptr = NULL;
+      child.r_id = 0;
+      child.r_nl = 0;
+      while ((node_stack_cnt > 0) && (child.r_ptr == NULL))
+      {
+        pop_node(&child);
+        /* trim returned oid */
+        (oidret->len)--;
+      }
+      if (child.r_ptr != NULL)
+      {
+        /* incoming ident is useless beyond this point */
+        ident_len = 0;
+        oidret->id[oidret->len] = child.r_id;
+        oidret->len++;
+        node = child.r_ptr;
+        ext_level = child.r_nl;
+      }
+      else
+      {
+        /* tree ends here ... */
+        LWIP_DEBUGF(SNMP_MIB_DEBUG,("expand failed, tree ends here\n"));
+        return NULL;
+      }
+    }
+  }
+  /* done, found nothing */
+  LWIP_DEBUGF(SNMP_MIB_DEBUG,("expand failed node==%p\n",(void*)node));
+  return NULL;
+}
+
+/**
+ * Test object identifier for the iso.org.dod.internet prefix.
+ *
+ * @param ident_len the length of the supplied object identifier
+ * @param ident points to the array of sub identifiers
+ * @return 1 if it matches, 0 otherwise
+ */
+u8_t
+snmp_iso_prefix_tst(u8_t ident_len, s32_t *ident)
+{
+  if ((ident_len > 3) &&
+      (ident[0] == 1) && (ident[1] == 3) &&
+      (ident[2] == 6) && (ident[3] == 1))
+  {
+    return 1;
+  }
+  else
+  {
+    return 0;
+  }
+}
+
+/**
+ * Expands object identifier to the iso.org.dod.internet
+ * prefix for use in getnext operation.
+ *
+ * @param ident_len the length of the supplied object identifier
+ * @param ident points to the array of sub identifiers
+ * @param oidret points to returned expanded object identifier
+ * @return 1 if it matches, 0 otherwise
+ *
+ * @note ident_len 0 is allowed, expanding to the first known object id!!
+ */
+u8_t
+snmp_iso_prefix_expand(u8_t ident_len, s32_t *ident, struct snmp_obj_id *oidret)
+{
+  const s32_t *prefix_ptr;
+  s32_t *ret_ptr;
+  u8_t i;
+
+  i = 0;
+  prefix_ptr = &prefix[0];
+  ret_ptr = &oidret->id[0];
+  ident_len = ((ident_len < 4)?ident_len:4);
+  while ((i < ident_len) && ((*ident) <= (*prefix_ptr)))
+  {
+    *ret_ptr++ = *prefix_ptr++;
+    ident++;
+    i++;
+  }
+  if (i == ident_len)
+  {
+    /* match, complete missing bits */
+    while (i < 4)
+    {
+      *ret_ptr++ = *prefix_ptr++;
+      i++;
+    }
+    oidret->len = i;
+    return 1;
+  }
+  else
+  {
+    /* i != ident_len */
+    return 0;
+  }
+}
+
+#endif /* LWIP_SNMP */
diff --git a/libraries/net/lwip/lwip/core/snmp/msg_in.c b/libraries/net/lwip/lwip/core/snmp/msg_in.c
new file mode 100644
index 0000000000..2dfb55b253
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/snmp/msg_in.c
@@ -0,0 +1,1437 @@
+/**
+ * @file
+ * SNMP input message processing (RFC1157).
+ */
+
+/*
+ * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Christiaan Simons 
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/snmp.h"
+#include "lwip/snmp_asn1.h"
+#include "lwip/snmp_msg.h"
+#include "lwip/snmp_structs.h"
+#include "lwip/ip_addr.h"
+#include "lwip/memp.h"
+#include "lwip/udp.h"
+#include "lwip/stats.h"
+
+#include 
+
+/* public (non-static) constants */
+/** SNMP v1 == 0 */
+const s32_t snmp_version = 0;
+/** default SNMP community string */
+const char snmp_publiccommunity[7] = "public";
+
+/* statically allocated buffers for SNMP_CONCURRENT_REQUESTS */
+struct snmp_msg_pstat msg_input_list[SNMP_CONCURRENT_REQUESTS];
+/* UDP Protocol Control Block */
+struct udp_pcb *snmp1_pcb;
+
+static void snmp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port);
+static err_t snmp_pdu_header_check(struct pbuf *p, u16_t ofs, u16_t pdu_len, u16_t *ofs_ret, struct snmp_msg_pstat *m_stat);
+static err_t snmp_pdu_dec_varbindlist(struct pbuf *p, u16_t ofs, u16_t *ofs_ret, struct snmp_msg_pstat *m_stat);
+
+
+/**
+ * Starts SNMP Agent.
+ * Allocates UDP pcb and binds it to IP_ADDR_ANY port 161.
+ */
+void
+snmp_init(void)
+{
+  struct snmp_msg_pstat *msg_ps;
+  u8_t i;
+
+  snmp1_pcb = udp_new();
+  if (snmp1_pcb != NULL)
+  {
+    udp_recv(snmp1_pcb, snmp_recv, (void *)SNMP_IN_PORT);
+    udp_bind(snmp1_pcb, IP_ADDR_ANY, SNMP_IN_PORT);
+  }
+  msg_ps = &msg_input_list[0];
+  for (i=0; istate = SNMP_MSG_EMPTY;
+    msg_ps->error_index = 0;
+    msg_ps->error_status = SNMP_ES_NOERROR;
+    msg_ps++;
+  }
+  trap_msg.pcb = snmp1_pcb;
+
+#ifdef SNMP_PRIVATE_MIB_INIT
+  /* If defined, rhis must be a function-like define to initialize the
+   * private MIB after the stack has been initialized.
+   * The private MIB can also be initialized in tcpip_callback (or after
+   * the stack is initialized), this define is only for convenience. */
+  SNMP_PRIVATE_MIB_INIT();
+#endif /* SNMP_PRIVATE_MIB_INIT */
+
+  /* The coldstart trap will only be output
+     if our outgoing interface is up & configured  */
+  snmp_coldstart_trap();
+}
+
+static void
+snmp_error_response(struct snmp_msg_pstat *msg_ps, u8_t error)
+{
+  snmp_varbind_list_free(&msg_ps->outvb);
+  msg_ps->outvb = msg_ps->invb;
+  msg_ps->invb.head = NULL;
+  msg_ps->invb.tail = NULL;
+  msg_ps->invb.count = 0;
+  msg_ps->error_status = error;
+  msg_ps->error_index = 1 + msg_ps->vb_idx;
+  snmp_send_response(msg_ps);
+  snmp_varbind_list_free(&msg_ps->outvb);
+  msg_ps->state = SNMP_MSG_EMPTY;
+}
+
+static void
+snmp_ok_response(struct snmp_msg_pstat *msg_ps)
+{
+  err_t err_ret;
+
+  err_ret = snmp_send_response(msg_ps);
+  if (err_ret == ERR_MEM)
+  {
+    /* serious memory problem, can't return tooBig */
+  }
+  else
+  {
+    LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_msg_event = %"S32_F"\n",msg_ps->error_status));
+  }
+  /* free varbinds (if available) */
+  snmp_varbind_list_free(&msg_ps->invb);
+  snmp_varbind_list_free(&msg_ps->outvb);
+  msg_ps->state = SNMP_MSG_EMPTY;
+}
+
+/**
+ * Service an internal or external event for SNMP GET.
+ *
+ * @param request_id identifies requests from 0 to (SNMP_CONCURRENT_REQUESTS-1)
+ * @param msg_ps points to the assosicated message process state
+ */
+static void
+snmp_msg_get_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
+{
+  LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_msg_get_event: msg_ps->state==%"U16_F"\n",(u16_t)msg_ps->state));
+
+  if (msg_ps->state == SNMP_MSG_EXTERNAL_GET_OBJDEF)
+  {
+    struct mib_external_node *en;
+    struct snmp_name_ptr np;
+
+    /* get_object_def() answer*/
+    en = msg_ps->ext_mib_node;
+    np = msg_ps->ext_name_ptr;
+
+    /* translate answer into a known lifeform */
+    en->get_object_def_a(request_id, np.ident_len, np.ident, &msg_ps->ext_object_def);
+    if ((msg_ps->ext_object_def.instance != MIB_OBJECT_NONE) &&
+        (msg_ps->ext_object_def.access & MIB_ACCESS_READ))
+    {
+      msg_ps->state = SNMP_MSG_EXTERNAL_GET_VALUE;
+      en->get_value_q(request_id, &msg_ps->ext_object_def);
+    }
+    else
+    {
+      en->get_object_def_pc(request_id, np.ident_len, np.ident);
+      /* search failed, object id points to unknown object (nosuchname) */
+      snmp_error_response(msg_ps,SNMP_ES_NOSUCHNAME);
+    }
+  }
+  else if (msg_ps->state == SNMP_MSG_EXTERNAL_GET_VALUE)
+  {
+    struct mib_external_node *en;
+    struct snmp_varbind *vb;
+
+    /* get_value() answer */
+    en = msg_ps->ext_mib_node;
+
+    /* allocate output varbind */
+    vb = (struct snmp_varbind *)memp_malloc(MEMP_SNMP_VARBIND);
+    LWIP_ASSERT("vb != NULL",vb != NULL);
+    if (vb != NULL)
+    {
+      vb->next = NULL;
+      vb->prev = NULL;
+
+      /* move name from invb to outvb */
+      vb->ident = msg_ps->vb_ptr->ident;
+      vb->ident_len = msg_ps->vb_ptr->ident_len;
+      /* ensure this memory is refereced once only */
+      msg_ps->vb_ptr->ident = NULL;
+      msg_ps->vb_ptr->ident_len = 0;
+
+      vb->value_type = msg_ps->ext_object_def.asn_type;
+      LWIP_ASSERT("invalid length", msg_ps->ext_object_def.v_len <= 0xff);
+      vb->value_len = (u8_t)msg_ps->ext_object_def.v_len;
+      if (vb->value_len > 0)
+      {
+        LWIP_ASSERT("SNMP_MAX_OCTET_STRING_LEN is configured too low", vb->value_len <= SNMP_MAX_VALUE_SIZE);
+        vb->value = memp_malloc(MEMP_SNMP_VALUE);
+        LWIP_ASSERT("vb->value != NULL",vb->value != NULL);
+        if (vb->value != NULL)
+        {
+          en->get_value_a(request_id, &msg_ps->ext_object_def, vb->value_len, vb->value);
+          snmp_varbind_tail_add(&msg_ps->outvb, vb);
+          /* search again (if vb_idx < msg_ps->invb.count) */
+          msg_ps->state = SNMP_MSG_SEARCH_OBJ;
+          msg_ps->vb_idx += 1;
+        }
+        else
+        {
+          en->get_value_pc(request_id, &msg_ps->ext_object_def);
+          LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_msg_event: no variable space\n"));
+          msg_ps->vb_ptr->ident = vb->ident;
+          msg_ps->vb_ptr->ident_len = vb->ident_len;
+          memp_free(MEMP_SNMP_VARBIND, vb);
+          snmp_error_response(msg_ps,SNMP_ES_TOOBIG);
+        }
+      }
+      else
+      {
+        /* vb->value_len == 0, empty value (e.g. empty string) */
+        en->get_value_a(request_id, &msg_ps->ext_object_def, 0, NULL);
+        vb->value = NULL;
+        snmp_varbind_tail_add(&msg_ps->outvb, vb);
+        /* search again (if vb_idx < msg_ps->invb.count) */
+        msg_ps->state = SNMP_MSG_SEARCH_OBJ;
+        msg_ps->vb_idx += 1;
+      }
+    }
+    else
+    {
+      en->get_value_pc(request_id, &msg_ps->ext_object_def);
+      LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_msg_event: no outvb space\n"));
+      snmp_error_response(msg_ps,SNMP_ES_TOOBIG);
+    }
+  }
+
+  while ((msg_ps->state == SNMP_MSG_SEARCH_OBJ) &&
+         (msg_ps->vb_idx < msg_ps->invb.count))
+  {
+    struct mib_node *mn;
+    struct snmp_name_ptr np;
+
+    if (msg_ps->vb_idx == 0)
+    {
+      msg_ps->vb_ptr = msg_ps->invb.head;
+    }
+    else
+    {
+      msg_ps->vb_ptr = msg_ps->vb_ptr->next;
+    }
+    /** test object identifier for .iso.org.dod.internet prefix */
+    if (snmp_iso_prefix_tst(msg_ps->vb_ptr->ident_len,  msg_ps->vb_ptr->ident))
+    {
+      mn = snmp_search_tree((struct mib_node*)&internet, msg_ps->vb_ptr->ident_len - 4,
+                             msg_ps->vb_ptr->ident + 4, &np);
+      if (mn != NULL)
+      {
+        if (mn->node_type == MIB_NODE_EX)
+        {
+          /* external object */
+          struct mib_external_node *en = (struct mib_external_node*)mn;
+
+          msg_ps->state = SNMP_MSG_EXTERNAL_GET_OBJDEF;
+          /* save en && args in msg_ps!! */
+          msg_ps->ext_mib_node = en;
+          msg_ps->ext_name_ptr = np;
+
+          en->get_object_def_q(en->addr_inf, request_id, np.ident_len, np.ident);
+        }
+        else
+        {
+          /* internal object */
+          struct obj_def object_def;
+
+          msg_ps->state = SNMP_MSG_INTERNAL_GET_OBJDEF;
+          mn->get_object_def(np.ident_len, np.ident, &object_def);
+          if ((object_def.instance != MIB_OBJECT_NONE) &&
+            (object_def.access & MIB_ACCESS_READ))
+          {
+            mn = mn;
+          }
+          else
+          {
+            /* search failed, object id points to unknown object (nosuchname) */
+            mn =  NULL;
+          }
+          if (mn != NULL)
+          {
+            struct snmp_varbind *vb;
+
+            msg_ps->state = SNMP_MSG_INTERNAL_GET_VALUE;
+            /* allocate output varbind */
+            vb = (struct snmp_varbind *)memp_malloc(MEMP_SNMP_VARBIND);
+            LWIP_ASSERT("vb != NULL",vb != NULL);
+            if (vb != NULL)
+            {
+              vb->next = NULL;
+              vb->prev = NULL;
+
+              /* move name from invb to outvb */
+              vb->ident = msg_ps->vb_ptr->ident;
+              vb->ident_len = msg_ps->vb_ptr->ident_len;
+              /* ensure this memory is refereced once only */
+              msg_ps->vb_ptr->ident = NULL;
+              msg_ps->vb_ptr->ident_len = 0;
+
+              vb->value_type = object_def.asn_type;
+              LWIP_ASSERT("invalid length", object_def.v_len <= 0xff);
+              vb->value_len = (u8_t)object_def.v_len;
+              if (vb->value_len > 0)
+              {
+                LWIP_ASSERT("SNMP_MAX_OCTET_STRING_LEN is configured too low",
+                  vb->value_len <= SNMP_MAX_VALUE_SIZE);
+                vb->value = memp_malloc(MEMP_SNMP_VALUE);
+                LWIP_ASSERT("vb->value != NULL",vb->value != NULL);
+                if (vb->value != NULL)
+                {
+                  mn->get_value(&object_def, vb->value_len, vb->value);
+                  snmp_varbind_tail_add(&msg_ps->outvb, vb);
+                  msg_ps->state = SNMP_MSG_SEARCH_OBJ;
+                  msg_ps->vb_idx += 1;
+                }
+                else
+                {
+                  LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_msg_event: couldn't allocate variable space\n"));
+                  msg_ps->vb_ptr->ident = vb->ident;
+                  msg_ps->vb_ptr->ident_len = vb->ident_len;
+                  memp_free(MEMP_SNMP_VARBIND, vb);
+                  snmp_error_response(msg_ps,SNMP_ES_TOOBIG);
+                }
+              }
+              else
+              {
+                /* vb->value_len == 0, empty value (e.g. empty string) */
+                vb->value = NULL;
+                snmp_varbind_tail_add(&msg_ps->outvb, vb);
+                msg_ps->state = SNMP_MSG_SEARCH_OBJ;
+                msg_ps->vb_idx += 1;
+              }
+            }
+            else
+            {
+              LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_msg_event: couldn't allocate outvb space\n"));
+              snmp_error_response(msg_ps,SNMP_ES_TOOBIG);
+            }
+          }
+        }
+      }
+    }
+    else
+    {
+      mn = NULL;
+    }
+    if (mn == NULL)
+    {
+      /* mn == NULL, noSuchName */
+      snmp_error_response(msg_ps,SNMP_ES_NOSUCHNAME);
+    }
+  }
+  if ((msg_ps->state == SNMP_MSG_SEARCH_OBJ) &&
+      (msg_ps->vb_idx == msg_ps->invb.count))
+  {
+    snmp_ok_response(msg_ps);
+  }
+}
+
+/**
+ * Service an internal or external event for SNMP GETNEXT.
+ *
+ * @param request_id identifies requests from 0 to (SNMP_CONCURRENT_REQUESTS-1)
+ * @param msg_ps points to the assosicated message process state
+ */
+static void
+snmp_msg_getnext_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
+{
+  LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_msg_getnext_event: msg_ps->state==%"U16_F"\n",(u16_t)msg_ps->state));
+
+  if (msg_ps->state == SNMP_MSG_EXTERNAL_GET_OBJDEF)
+  {
+    struct mib_external_node *en;
+
+    /* get_object_def() answer*/
+    en = msg_ps->ext_mib_node;
+
+    /* translate answer into a known lifeform */
+    en->get_object_def_a(request_id, 1, &msg_ps->ext_oid.id[msg_ps->ext_oid.len - 1], &msg_ps->ext_object_def);
+    if (msg_ps->ext_object_def.instance != MIB_OBJECT_NONE)
+    {
+      msg_ps->state = SNMP_MSG_EXTERNAL_GET_VALUE;
+      en->get_value_q(request_id, &msg_ps->ext_object_def);
+    }
+    else
+    {
+      en->get_object_def_pc(request_id, 1, &msg_ps->ext_oid.id[msg_ps->ext_oid.len - 1]);
+      /* search failed, object id points to unknown object (nosuchname) */
+      snmp_error_response(msg_ps,SNMP_ES_NOSUCHNAME);
+    }
+  }
+  else if (msg_ps->state == SNMP_MSG_EXTERNAL_GET_VALUE)
+  {
+    struct mib_external_node *en;
+    struct snmp_varbind *vb;
+
+    /* get_value() answer */
+    en = msg_ps->ext_mib_node;
+
+    LWIP_ASSERT("invalid length", msg_ps->ext_object_def.v_len <= 0xff);
+    vb = snmp_varbind_alloc(&msg_ps->ext_oid,
+                            msg_ps->ext_object_def.asn_type,
+                            (u8_t)msg_ps->ext_object_def.v_len);
+    if (vb != NULL)
+    {
+      en->get_value_a(request_id, &msg_ps->ext_object_def, vb->value_len, vb->value);
+      snmp_varbind_tail_add(&msg_ps->outvb, vb);
+      msg_ps->state = SNMP_MSG_SEARCH_OBJ;
+      msg_ps->vb_idx += 1;
+    }
+    else
+    {
+      en->get_value_pc(request_id, &msg_ps->ext_object_def);
+      LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_msg_getnext_event: couldn't allocate outvb space\n"));
+      snmp_error_response(msg_ps,SNMP_ES_TOOBIG);
+    }
+  }
+
+  while ((msg_ps->state == SNMP_MSG_SEARCH_OBJ) &&
+         (msg_ps->vb_idx < msg_ps->invb.count))
+  {
+    struct mib_node *mn;
+    struct snmp_obj_id oid;
+
+    if (msg_ps->vb_idx == 0)
+    {
+      msg_ps->vb_ptr = msg_ps->invb.head;
+    }
+    else
+    {
+      msg_ps->vb_ptr = msg_ps->vb_ptr->next;
+    }
+    if (snmp_iso_prefix_expand(msg_ps->vb_ptr->ident_len, msg_ps->vb_ptr->ident, &oid))
+    {
+      if (msg_ps->vb_ptr->ident_len > 3)
+      {
+        /* can offset ident_len and ident */
+        mn = snmp_expand_tree((struct mib_node*)&internet,
+                              msg_ps->vb_ptr->ident_len - 4,
+                              msg_ps->vb_ptr->ident + 4, &oid);
+      }
+      else
+      {
+        /* can't offset ident_len -4, ident + 4 */
+        mn = snmp_expand_tree((struct mib_node*)&internet, 0, NULL, &oid);
+      }
+    }
+    else
+    {
+      mn = NULL;
+    }
+    if (mn != NULL)
+    {
+      if (mn->node_type == MIB_NODE_EX)
+      {
+        /* external object */
+        struct mib_external_node *en = (struct mib_external_node*)mn;
+
+        msg_ps->state = SNMP_MSG_EXTERNAL_GET_OBJDEF;
+        /* save en && args in msg_ps!! */
+        msg_ps->ext_mib_node = en;
+        msg_ps->ext_oid = oid;
+
+        en->get_object_def_q(en->addr_inf, request_id, 1, &oid.id[oid.len - 1]);
+      }
+      else
+      {
+        /* internal object */
+        struct obj_def object_def;
+        struct snmp_varbind *vb;
+
+        msg_ps->state = SNMP_MSG_INTERNAL_GET_OBJDEF;
+        mn->get_object_def(1, &oid.id[oid.len - 1], &object_def);
+
+        LWIP_ASSERT("invalid length", object_def.v_len <= 0xff);
+        vb = snmp_varbind_alloc(&oid, object_def.asn_type, (u8_t)object_def.v_len);
+        if (vb != NULL)
+        {
+          msg_ps->state = SNMP_MSG_INTERNAL_GET_VALUE;
+          mn->get_value(&object_def, object_def.v_len, vb->value);
+          snmp_varbind_tail_add(&msg_ps->outvb, vb);
+          msg_ps->state = SNMP_MSG_SEARCH_OBJ;
+          msg_ps->vb_idx += 1;
+        }
+        else
+        {
+          LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_recv couldn't allocate outvb space\n"));
+          snmp_error_response(msg_ps,SNMP_ES_TOOBIG);
+        }
+      }
+    }
+    if (mn == NULL)
+    {
+      /* mn == NULL, noSuchName */
+      snmp_error_response(msg_ps,SNMP_ES_NOSUCHNAME);
+    }
+  }
+  if ((msg_ps->state == SNMP_MSG_SEARCH_OBJ) &&
+      (msg_ps->vb_idx == msg_ps->invb.count))
+  {
+    snmp_ok_response(msg_ps);
+  }
+}
+
+/**
+ * Service an internal or external event for SNMP SET.
+ *
+ * @param request_id identifies requests from 0 to (SNMP_CONCURRENT_REQUESTS-1)
+ * @param msg_ps points to the assosicated message process state
+ */
+static void
+snmp_msg_set_event(u8_t request_id, struct snmp_msg_pstat *msg_ps)
+{
+  LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_msg_set_event: msg_ps->state==%"U16_F"\n",(u16_t)msg_ps->state));
+
+  if (msg_ps->state == SNMP_MSG_EXTERNAL_GET_OBJDEF)
+  {
+    struct mib_external_node *en;
+    struct snmp_name_ptr np;
+
+    /* get_object_def() answer*/
+    en = msg_ps->ext_mib_node;
+    np = msg_ps->ext_name_ptr;
+
+    /* translate answer into a known lifeform */
+    en->get_object_def_a(request_id, np.ident_len, np.ident, &msg_ps->ext_object_def);
+    if (msg_ps->ext_object_def.instance != MIB_OBJECT_NONE)
+    {
+      msg_ps->state = SNMP_MSG_EXTERNAL_SET_TEST;
+      en->set_test_q(request_id, &msg_ps->ext_object_def);
+    }
+    else
+    {
+      en->get_object_def_pc(request_id, np.ident_len, np.ident);
+      /* search failed, object id points to unknown object (nosuchname) */
+      snmp_error_response(msg_ps,SNMP_ES_NOSUCHNAME);
+    }
+  }
+  else if (msg_ps->state == SNMP_MSG_EXTERNAL_SET_TEST)
+  {
+    struct mib_external_node *en;
+
+    /* set_test() answer*/
+    en = msg_ps->ext_mib_node;
+
+    if (msg_ps->ext_object_def.access & MIB_ACCESS_WRITE)
+    {
+       if ((msg_ps->ext_object_def.asn_type == msg_ps->vb_ptr->value_type) &&
+           (en->set_test_a(request_id,&msg_ps->ext_object_def,
+                           msg_ps->vb_ptr->value_len,msg_ps->vb_ptr->value) != 0))
+      {
+        msg_ps->state = SNMP_MSG_SEARCH_OBJ;
+        msg_ps->vb_idx += 1;
+      }
+      else
+      {
+        en->set_test_pc(request_id,&msg_ps->ext_object_def);
+        /* bad value */
+        snmp_error_response(msg_ps,SNMP_ES_BADVALUE);
+      }
+    }
+    else
+    {
+      en->set_test_pc(request_id,&msg_ps->ext_object_def);
+      /* object not available for set */
+      snmp_error_response(msg_ps,SNMP_ES_NOSUCHNAME);
+    }
+  }
+  else if (msg_ps->state == SNMP_MSG_EXTERNAL_GET_OBJDEF_S)
+  {
+    struct mib_external_node *en;
+    struct snmp_name_ptr np;
+
+    /* get_object_def() answer*/
+    en = msg_ps->ext_mib_node;
+    np = msg_ps->ext_name_ptr;
+
+    /* translate answer into a known lifeform */
+    en->get_object_def_a(request_id, np.ident_len, np.ident, &msg_ps->ext_object_def);
+    if (msg_ps->ext_object_def.instance != MIB_OBJECT_NONE)
+    {
+      msg_ps->state = SNMP_MSG_EXTERNAL_SET_VALUE;
+      en->set_value_q(request_id, &msg_ps->ext_object_def,
+                      msg_ps->vb_ptr->value_len,msg_ps->vb_ptr->value);
+    }
+    else
+    {
+      en->get_object_def_pc(request_id, np.ident_len, np.ident);
+      /* set_value failed, object has disappeared for some odd reason?? */
+      snmp_error_response(msg_ps,SNMP_ES_GENERROR);
+    }
+  }
+  else if (msg_ps->state == SNMP_MSG_EXTERNAL_SET_VALUE)
+  {
+    struct mib_external_node *en;
+
+    /** set_value_a() */
+    en = msg_ps->ext_mib_node;
+    en->set_value_a(request_id, &msg_ps->ext_object_def,
+      msg_ps->vb_ptr->value_len, msg_ps->vb_ptr->value);
+
+    /** @todo use set_value_pc() if toobig */
+    msg_ps->state = SNMP_MSG_INTERNAL_SET_VALUE;
+    msg_ps->vb_idx += 1;
+  }
+
+  /* test all values before setting */
+  while ((msg_ps->state == SNMP_MSG_SEARCH_OBJ) &&
+         (msg_ps->vb_idx < msg_ps->invb.count))
+  {
+    struct mib_node *mn;
+    struct snmp_name_ptr np;
+
+    if (msg_ps->vb_idx == 0)
+    {
+      msg_ps->vb_ptr = msg_ps->invb.head;
+    }
+    else
+    {
+      msg_ps->vb_ptr = msg_ps->vb_ptr->next;
+    }
+    /** test object identifier for .iso.org.dod.internet prefix */
+    if (snmp_iso_prefix_tst(msg_ps->vb_ptr->ident_len,  msg_ps->vb_ptr->ident))
+    {
+      mn = snmp_search_tree((struct mib_node*)&internet, msg_ps->vb_ptr->ident_len - 4,
+                             msg_ps->vb_ptr->ident + 4, &np);
+      if (mn != NULL)
+      {
+        if (mn->node_type == MIB_NODE_EX)
+        {
+          /* external object */
+          struct mib_external_node *en = (struct mib_external_node*)mn;
+
+          msg_ps->state = SNMP_MSG_EXTERNAL_GET_OBJDEF;
+          /* save en && args in msg_ps!! */
+          msg_ps->ext_mib_node = en;
+          msg_ps->ext_name_ptr = np;
+
+          en->get_object_def_q(en->addr_inf, request_id, np.ident_len, np.ident);
+        }
+        else
+        {
+          /* internal object */
+          struct obj_def object_def;
+
+          msg_ps->state = SNMP_MSG_INTERNAL_GET_OBJDEF;
+          mn->get_object_def(np.ident_len, np.ident, &object_def);
+          if (object_def.instance != MIB_OBJECT_NONE)
+          {
+            mn = mn;
+          }
+          else
+          {
+            /* search failed, object id points to unknown object (nosuchname) */
+            mn = NULL;
+          }
+          if (mn != NULL)
+          {
+            msg_ps->state = SNMP_MSG_INTERNAL_SET_TEST;
+
+            if (object_def.access & MIB_ACCESS_WRITE)
+            {
+              if ((object_def.asn_type == msg_ps->vb_ptr->value_type) &&
+                  (mn->set_test(&object_def,msg_ps->vb_ptr->value_len,msg_ps->vb_ptr->value) != 0))
+              {
+                msg_ps->state = SNMP_MSG_SEARCH_OBJ;
+                msg_ps->vb_idx += 1;
+              }
+              else
+              {
+                /* bad value */
+                snmp_error_response(msg_ps,SNMP_ES_BADVALUE);
+              }
+            }
+            else
+            {
+              /* object not available for set */
+              snmp_error_response(msg_ps,SNMP_ES_NOSUCHNAME);
+            }
+          }
+        }
+      }
+    }
+    else
+    {
+      mn = NULL;
+    }
+    if (mn == NULL)
+    {
+      /* mn == NULL, noSuchName */
+      snmp_error_response(msg_ps,SNMP_ES_NOSUCHNAME);
+    }
+  }
+
+  if ((msg_ps->state == SNMP_MSG_SEARCH_OBJ) &&
+      (msg_ps->vb_idx == msg_ps->invb.count))
+  {
+    msg_ps->vb_idx = 0;
+    msg_ps->state = SNMP_MSG_INTERNAL_SET_VALUE;
+  }
+
+  /* set all values "atomically" (be as "atomic" as possible) */
+  while ((msg_ps->state == SNMP_MSG_INTERNAL_SET_VALUE) &&
+         (msg_ps->vb_idx < msg_ps->invb.count))
+  {
+    struct mib_node *mn;
+    struct snmp_name_ptr np;
+
+    if (msg_ps->vb_idx == 0)
+    {
+      msg_ps->vb_ptr = msg_ps->invb.head;
+    }
+    else
+    {
+      msg_ps->vb_ptr = msg_ps->vb_ptr->next;
+    }
+    /* skip iso prefix test, was done previously while settesting() */
+    mn = snmp_search_tree((struct mib_node*)&internet, msg_ps->vb_ptr->ident_len - 4,
+                           msg_ps->vb_ptr->ident + 4, &np);
+    /* check if object is still available
+       (e.g. external hot-plug thingy present?) */
+    if (mn != NULL)
+    {
+      if (mn->node_type == MIB_NODE_EX)
+      {
+        /* external object */
+        struct mib_external_node *en = (struct mib_external_node*)mn;
+
+        msg_ps->state = SNMP_MSG_EXTERNAL_GET_OBJDEF_S;
+        /* save en && args in msg_ps!! */
+        msg_ps->ext_mib_node = en;
+        msg_ps->ext_name_ptr = np;
+
+        en->get_object_def_q(en->addr_inf, request_id, np.ident_len, np.ident);
+      }
+      else
+      {
+        /* internal object */
+        struct obj_def object_def;
+
+        msg_ps->state = SNMP_MSG_INTERNAL_GET_OBJDEF_S;
+        mn->get_object_def(np.ident_len, np.ident, &object_def);
+        msg_ps->state = SNMP_MSG_INTERNAL_SET_VALUE;
+        mn->set_value(&object_def,msg_ps->vb_ptr->value_len,msg_ps->vb_ptr->value);
+        msg_ps->vb_idx += 1;
+      }
+    }
+  }
+  if ((msg_ps->state == SNMP_MSG_INTERNAL_SET_VALUE) &&
+      (msg_ps->vb_idx == msg_ps->invb.count))
+  {
+    /* simply echo the input if we can set it
+       @todo do we need to return the actual value?
+       e.g. if value is silently modified or behaves sticky? */
+    msg_ps->outvb = msg_ps->invb;
+    msg_ps->invb.head = NULL;
+    msg_ps->invb.tail = NULL;
+    msg_ps->invb.count = 0;
+    snmp_ok_response(msg_ps);
+  }
+}
+
+
+/**
+ * Handle one internal or external event.
+ * Called for one async event. (recv external/private answer)
+ *
+ * @param request_id identifies requests from 0 to (SNMP_CONCURRENT_REQUESTS-1)
+ */
+void
+snmp_msg_event(u8_t request_id)
+{
+  struct snmp_msg_pstat *msg_ps;
+
+  if (request_id < SNMP_CONCURRENT_REQUESTS)
+  {
+    msg_ps = &msg_input_list[request_id];
+    if (msg_ps->rt == SNMP_ASN1_PDU_GET_NEXT_REQ)
+    {
+      snmp_msg_getnext_event(request_id, msg_ps);
+    }
+    else if (msg_ps->rt == SNMP_ASN1_PDU_GET_REQ)
+    {
+      snmp_msg_get_event(request_id, msg_ps);
+    }
+    else if(msg_ps->rt == SNMP_ASN1_PDU_SET_REQ)
+    {
+      snmp_msg_set_event(request_id, msg_ps);
+    }
+  }
+}
+
+
+/* lwIP UDP receive callback function */
+static void
+snmp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *addr, u16_t port)
+{
+  struct snmp_msg_pstat *msg_ps;
+  u8_t req_idx;
+  err_t err_ret;
+  u16_t payload_len = p->tot_len;
+  u16_t payload_ofs = 0;
+  u16_t varbind_ofs = 0;
+
+  /* suppress unused argument warning */
+  LWIP_UNUSED_ARG(arg);
+
+  /* traverse input message process list, look for SNMP_MSG_EMPTY */
+  msg_ps = &msg_input_list[0];
+  req_idx = 0;
+  while ((req_idx < SNMP_CONCURRENT_REQUESTS) && (msg_ps->state != SNMP_MSG_EMPTY))
+  {
+    req_idx++;
+    msg_ps++;
+  }
+  if (req_idx == SNMP_CONCURRENT_REQUESTS)
+  {
+    /* exceeding number of concurrent requests */
+    pbuf_free(p);
+    return;
+  }
+
+  /* accepting request */
+  snmp_inc_snmpinpkts();
+  /* record used 'protocol control block' */
+  msg_ps->pcb = pcb;
+  /* source address (network order) */
+  msg_ps->sip = *addr;
+  /* source port (host order (lwIP oddity)) */
+  msg_ps->sp = port;
+
+  /* check total length, version, community, pdu type */
+  err_ret = snmp_pdu_header_check(p, payload_ofs, payload_len, &varbind_ofs, msg_ps);
+  /* Only accept requests and requests without error (be robust) */
+  /* Reject response and trap headers or error requests as input! */
+  if ((err_ret != ERR_OK) ||
+      ((msg_ps->rt != SNMP_ASN1_PDU_GET_REQ) &&
+       (msg_ps->rt != SNMP_ASN1_PDU_GET_NEXT_REQ) &&
+       (msg_ps->rt != SNMP_ASN1_PDU_SET_REQ)) ||
+      ((msg_ps->error_status != SNMP_ES_NOERROR) ||
+       (msg_ps->error_index != 0)) )
+  {
+    /* header check failed drop request silently, do not return error! */
+    pbuf_free(p);
+    LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_pdu_header_check() failed\n"));
+    return;
+  }
+  LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_recv ok, community %s\n", msg_ps->community));
+
+  /* Builds a list of variable bindings. Copy the varbinds from the pbuf
+    chain to glue them when these are divided over two or more pbuf's. */
+  err_ret = snmp_pdu_dec_varbindlist(p, varbind_ofs, &varbind_ofs, msg_ps);
+  /* we've decoded the incoming message, release input msg now */
+  pbuf_free(p);
+  if ((err_ret != ERR_OK) || (msg_ps->invb.count == 0))
+  {
+    /* varbind-list decode failed, or varbind list empty.
+       drop request silently, do not return error!
+       (errors are only returned for a specific varbind failure) */
+    LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_pdu_dec_varbindlist() failed\n"));
+    return;
+  }
+
+  msg_ps->error_status = SNMP_ES_NOERROR;
+  msg_ps->error_index = 0;
+  /* find object for each variable binding */
+  msg_ps->state = SNMP_MSG_SEARCH_OBJ;
+  /* first variable binding from list to inspect */
+  msg_ps->vb_idx = 0;
+
+  LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_recv varbind cnt=%"U16_F"\n",(u16_t)msg_ps->invb.count));
+
+  /* handle input event and as much objects as possible in one go */
+  snmp_msg_event(req_idx);
+}
+
+/**
+ * Checks and decodes incoming SNMP message header, logs header errors.
+ *
+ * @param p points to pbuf chain of SNMP message (UDP payload)
+ * @param ofs points to first octet of SNMP message
+ * @param pdu_len the length of the UDP payload
+ * @param ofs_ret returns the ofset of the variable bindings
+ * @param m_stat points to the current message request state return
+ * @return
+ * - ERR_OK SNMP header is sane and accepted
+ * - ERR_ARG SNMP header is either malformed or rejected
+ */
+static err_t
+snmp_pdu_header_check(struct pbuf *p, u16_t ofs, u16_t pdu_len, u16_t *ofs_ret, struct snmp_msg_pstat *m_stat)
+{
+  err_t derr;
+  u16_t len, ofs_base;
+  u8_t  len_octets;
+  u8_t  type;
+  s32_t version;
+
+  ofs_base = ofs;
+  snmp_asn1_dec_type(p, ofs, &type);
+  derr = snmp_asn1_dec_length(p, ofs+1, &len_octets, &len);
+  if ((derr != ERR_OK) ||
+      (pdu_len != (1 + len_octets + len)) ||
+      (type != (SNMP_ASN1_UNIV | SNMP_ASN1_CONSTR | SNMP_ASN1_SEQ)))
+  {
+    snmp_inc_snmpinasnparseerrs();
+    return ERR_ARG;
+  }
+  ofs += (1 + len_octets);
+  snmp_asn1_dec_type(p, ofs, &type);
+  derr = snmp_asn1_dec_length(p, ofs+1, &len_octets, &len);
+  if ((derr != ERR_OK) || (type != (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG)))
+  {
+    /* can't decode or no integer (version) */
+    snmp_inc_snmpinasnparseerrs();
+    return ERR_ARG;
+  }
+  derr = snmp_asn1_dec_s32t(p, ofs + 1 + len_octets, len, &version);
+  if (derr != ERR_OK)
+  {
+    /* can't decode */
+    snmp_inc_snmpinasnparseerrs();
+    return ERR_ARG;
+  }
+  if (version != 0)
+  {
+    /* not version 1 */
+    snmp_inc_snmpinbadversions();
+    return ERR_ARG;
+  }
+  ofs += (1 + len_octets + len);
+  snmp_asn1_dec_type(p, ofs, &type);
+  derr = snmp_asn1_dec_length(p, ofs+1, &len_octets, &len);
+  if ((derr != ERR_OK) || (type != (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OC_STR)))
+  {
+    /* can't decode or no octet string (community) */
+    snmp_inc_snmpinasnparseerrs();
+    return ERR_ARG;
+  }
+  derr = snmp_asn1_dec_raw(p, ofs + 1 + len_octets, len, SNMP_COMMUNITY_STR_LEN, m_stat->community);
+  if (derr != ERR_OK)
+  {
+    snmp_inc_snmpinasnparseerrs();
+    return ERR_ARG;
+  }
+  /* add zero terminator */
+  len = ((len < (SNMP_COMMUNITY_STR_LEN))?(len):(SNMP_COMMUNITY_STR_LEN));
+  m_stat->community[len] = 0;
+  m_stat->com_strlen = (u8_t)len;
+  if (strncmp(snmp_publiccommunity, (const char*)m_stat->community, SNMP_COMMUNITY_STR_LEN) != 0)
+  {
+    /** @todo: move this if we need to check more names */
+    snmp_inc_snmpinbadcommunitynames();
+    snmp_authfail_trap();
+    return ERR_ARG;
+  }
+  ofs += (1 + len_octets + len);
+  snmp_asn1_dec_type(p, ofs, &type);
+  derr = snmp_asn1_dec_length(p, ofs+1, &len_octets, &len);
+  if (derr != ERR_OK)
+  {
+    snmp_inc_snmpinasnparseerrs();
+    return ERR_ARG;
+  }
+  switch(type)
+  {
+    case (SNMP_ASN1_CONTXT | SNMP_ASN1_CONSTR | SNMP_ASN1_PDU_GET_REQ):
+      /* GetRequest PDU */
+      snmp_inc_snmpingetrequests();
+      derr = ERR_OK;
+      break;
+    case (SNMP_ASN1_CONTXT | SNMP_ASN1_CONSTR | SNMP_ASN1_PDU_GET_NEXT_REQ):
+      /* GetNextRequest PDU */
+      snmp_inc_snmpingetnexts();
+      derr = ERR_OK;
+      break;
+    case (SNMP_ASN1_CONTXT | SNMP_ASN1_CONSTR | SNMP_ASN1_PDU_GET_RESP):
+      /* GetResponse PDU */
+      snmp_inc_snmpingetresponses();
+      derr = ERR_ARG;
+      break;
+    case (SNMP_ASN1_CONTXT | SNMP_ASN1_CONSTR | SNMP_ASN1_PDU_SET_REQ):
+      /* SetRequest PDU */
+      snmp_inc_snmpinsetrequests();
+      derr = ERR_OK;
+      break;
+    case (SNMP_ASN1_CONTXT | SNMP_ASN1_CONSTR | SNMP_ASN1_PDU_TRAP):
+      /* Trap PDU */
+      snmp_inc_snmpintraps();
+      derr = ERR_ARG;
+      break;
+    default:
+      snmp_inc_snmpinasnparseerrs();
+      derr = ERR_ARG;
+      break;
+  }
+  if (derr != ERR_OK)
+  {
+    /* unsupported input PDU for this agent (no parse error) */
+    return ERR_ARG;
+  }
+  m_stat->rt = type & 0x1F;
+  ofs += (1 + len_octets);
+  if (len != (pdu_len - (ofs - ofs_base)))
+  {
+    /* decoded PDU length does not equal actual payload length */
+    snmp_inc_snmpinasnparseerrs();
+    return ERR_ARG;
+  }
+  snmp_asn1_dec_type(p, ofs, &type);
+  derr = snmp_asn1_dec_length(p, ofs+1, &len_octets, &len);
+  if ((derr != ERR_OK) || (type != (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG)))
+  {
+    /* can't decode or no integer (request ID) */
+    snmp_inc_snmpinasnparseerrs();
+    return ERR_ARG;
+  }
+  derr = snmp_asn1_dec_s32t(p, ofs + 1 + len_octets, len, &m_stat->rid);
+  if (derr != ERR_OK)
+  {
+    /* can't decode */
+    snmp_inc_snmpinasnparseerrs();
+    return ERR_ARG;
+  }
+  ofs += (1 + len_octets + len);
+  snmp_asn1_dec_type(p, ofs, &type);
+  derr = snmp_asn1_dec_length(p, ofs+1, &len_octets, &len);
+  if ((derr != ERR_OK) || (type != (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG)))
+  {
+    /* can't decode or no integer (error-status) */
+    snmp_inc_snmpinasnparseerrs();
+    return ERR_ARG;
+  }
+  /* must be noError (0) for incoming requests.
+     log errors for mib-2 completeness and for debug purposes */
+  derr = snmp_asn1_dec_s32t(p, ofs + 1 + len_octets, len, &m_stat->error_status);
+  if (derr != ERR_OK)
+  {
+    /* can't decode */
+    snmp_inc_snmpinasnparseerrs();
+    return ERR_ARG;
+  }
+  switch (m_stat->error_status)
+  {
+    case SNMP_ES_TOOBIG:
+      snmp_inc_snmpintoobigs();
+      break;
+    case SNMP_ES_NOSUCHNAME:
+      snmp_inc_snmpinnosuchnames();
+      break;
+    case SNMP_ES_BADVALUE:
+      snmp_inc_snmpinbadvalues();
+      break;
+    case SNMP_ES_READONLY:
+      snmp_inc_snmpinreadonlys();
+      break;
+    case SNMP_ES_GENERROR:
+      snmp_inc_snmpingenerrs();
+      break;
+  }
+  ofs += (1 + len_octets + len);
+  snmp_asn1_dec_type(p, ofs, &type);
+  derr = snmp_asn1_dec_length(p, ofs+1, &len_octets, &len);
+  if ((derr != ERR_OK) || (type != (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG)))
+  {
+    /* can't decode or no integer (error-index) */
+    snmp_inc_snmpinasnparseerrs();
+    return ERR_ARG;
+  }
+  /* must be 0 for incoming requests.
+     decode anyway to catch bad integers (and dirty tricks) */
+  derr = snmp_asn1_dec_s32t(p, ofs + 1 + len_octets, len, &m_stat->error_index);
+  if (derr != ERR_OK)
+  {
+    /* can't decode */
+    snmp_inc_snmpinasnparseerrs();
+    return ERR_ARG;
+  }
+  ofs += (1 + len_octets + len);
+  *ofs_ret = ofs;
+  return ERR_OK;
+}
+
+static err_t
+snmp_pdu_dec_varbindlist(struct pbuf *p, u16_t ofs, u16_t *ofs_ret, struct snmp_msg_pstat *m_stat)
+{
+  err_t derr;
+  u16_t len, vb_len;
+  u8_t  len_octets;
+  u8_t type;
+
+  /* variable binding list */
+  snmp_asn1_dec_type(p, ofs, &type);
+  derr = snmp_asn1_dec_length(p, ofs+1, &len_octets, &vb_len);
+  if ((derr != ERR_OK) ||
+      (type != (SNMP_ASN1_UNIV | SNMP_ASN1_CONSTR | SNMP_ASN1_SEQ)))
+  {
+    snmp_inc_snmpinasnparseerrs();
+    return ERR_ARG;
+  }
+  ofs += (1 + len_octets);
+
+  /* start with empty list */
+  m_stat->invb.count = 0;
+  m_stat->invb.head = NULL;
+  m_stat->invb.tail = NULL;
+
+  while (vb_len > 0)
+  {
+    struct snmp_obj_id oid, oid_value;
+    struct snmp_varbind *vb;
+
+    snmp_asn1_dec_type(p, ofs, &type);
+    derr = snmp_asn1_dec_length(p, ofs+1, &len_octets, &len);
+    if ((derr != ERR_OK) ||
+        (type != (SNMP_ASN1_UNIV | SNMP_ASN1_CONSTR | SNMP_ASN1_SEQ)) ||
+        (len == 0) || (len > vb_len))
+    {
+      snmp_inc_snmpinasnparseerrs();
+      /* free varbinds (if available) */
+      snmp_varbind_list_free(&m_stat->invb);
+      return ERR_ARG;
+    }
+    ofs += (1 + len_octets);
+    vb_len -= (1 + len_octets);
+
+    snmp_asn1_dec_type(p, ofs, &type);
+    derr = snmp_asn1_dec_length(p, ofs+1, &len_octets, &len);
+    if ((derr != ERR_OK) || (type != (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OBJ_ID)))
+    {
+      /* can't decode object name length */
+      snmp_inc_snmpinasnparseerrs();
+      /* free varbinds (if available) */
+      snmp_varbind_list_free(&m_stat->invb);
+      return ERR_ARG;
+    }
+    derr = snmp_asn1_dec_oid(p, ofs + 1 + len_octets, len, &oid);
+    if (derr != ERR_OK)
+    {
+      /* can't decode object name */
+      snmp_inc_snmpinasnparseerrs();
+      /* free varbinds (if available) */
+      snmp_varbind_list_free(&m_stat->invb);
+      return ERR_ARG;
+    }
+    ofs += (1 + len_octets + len);
+    vb_len -= (1 + len_octets + len);
+
+    snmp_asn1_dec_type(p, ofs, &type);
+    derr = snmp_asn1_dec_length(p, ofs+1, &len_octets, &len);
+    if (derr != ERR_OK)
+    {
+      /* can't decode object value length */
+      snmp_inc_snmpinasnparseerrs();
+      /* free varbinds (if available) */
+      snmp_varbind_list_free(&m_stat->invb);
+      return ERR_ARG;
+    }
+
+    switch (type)
+    {
+      case (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG):
+        vb = snmp_varbind_alloc(&oid, type, sizeof(s32_t));
+        if (vb != NULL)
+        {
+          s32_t *vptr = (s32_t*)vb->value;
+
+          derr = snmp_asn1_dec_s32t(p, ofs + 1 + len_octets, len, vptr);
+          snmp_varbind_tail_add(&m_stat->invb, vb);
+        }
+        else
+        {
+          derr = ERR_ARG;
+        }
+        break;
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_COUNTER):
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_GAUGE):
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_TIMETICKS):
+        vb = snmp_varbind_alloc(&oid, type, sizeof(u32_t));
+        if (vb != NULL)
+        {
+          u32_t *vptr = (u32_t*)vb->value;
+
+          derr = snmp_asn1_dec_u32t(p, ofs + 1 + len_octets, len, vptr);
+          snmp_varbind_tail_add(&m_stat->invb, vb);
+        }
+        else
+        {
+          derr = ERR_ARG;
+        }
+        break;
+      case (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OC_STR):
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_OPAQUE):
+        LWIP_ASSERT("invalid length", len <= 0xff);
+        vb = snmp_varbind_alloc(&oid, type, (u8_t)len);
+        if (vb != NULL)
+        {
+          derr = snmp_asn1_dec_raw(p, ofs + 1 + len_octets, len, vb->value_len, (u8_t*)vb->value);
+          snmp_varbind_tail_add(&m_stat->invb, vb);
+        }
+        else
+        {
+          derr = ERR_ARG;
+        }
+        break;
+      case (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_NUL):
+        vb = snmp_varbind_alloc(&oid, type, 0);
+        if (vb != NULL)
+        {
+          snmp_varbind_tail_add(&m_stat->invb, vb);
+          derr = ERR_OK;
+        }
+        else
+        {
+          derr = ERR_ARG;
+        }
+        break;
+      case (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OBJ_ID):
+        derr = snmp_asn1_dec_oid(p, ofs + 1 + len_octets, len, &oid_value);
+        if (derr == ERR_OK)
+        {
+          vb = snmp_varbind_alloc(&oid, type, oid_value.len * sizeof(s32_t));
+          if (vb != NULL)
+          {
+            u8_t i = oid_value.len;
+            s32_t *vptr = (s32_t*)vb->value;
+
+            while(i > 0)
+            {
+              i--;
+              vptr[i] = oid_value.id[i];
+            }
+            snmp_varbind_tail_add(&m_stat->invb, vb);
+            derr = ERR_OK;
+          }
+          else
+          {
+            derr = ERR_ARG;
+          }
+        }
+        break;
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_IPADDR):
+        if (len == 4)
+        {
+          /* must be exactly 4 octets! */
+          vb = snmp_varbind_alloc(&oid, type, 4);
+          if (vb != NULL)
+          {
+            derr = snmp_asn1_dec_raw(p, ofs + 1 + len_octets, len, vb->value_len, (u8_t*)vb->value);
+            snmp_varbind_tail_add(&m_stat->invb, vb);
+          }
+          else
+          {
+            derr = ERR_ARG;
+          }
+        }
+        else
+        {
+          derr = ERR_ARG;
+        }
+        break;
+      default:
+        derr = ERR_ARG;
+        break;
+    }
+    if (derr != ERR_OK)
+    {
+      snmp_inc_snmpinasnparseerrs();
+      /* free varbinds (if available) */
+      snmp_varbind_list_free(&m_stat->invb);
+      return ERR_ARG;
+    }
+    ofs += (1 + len_octets + len);
+    vb_len -= (1 + len_octets + len);
+  }
+
+  if (m_stat->rt == SNMP_ASN1_PDU_SET_REQ)
+  {
+    snmp_add_snmpintotalsetvars(m_stat->invb.count);
+  }
+  else
+  {
+    snmp_add_snmpintotalreqvars(m_stat->invb.count);
+  }
+
+  *ofs_ret = ofs;
+  return ERR_OK;
+}
+
+struct snmp_varbind*
+snmp_varbind_alloc(struct snmp_obj_id *oid, u8_t type, u8_t len)
+{
+  struct snmp_varbind *vb;
+
+  vb = (struct snmp_varbind *)memp_malloc(MEMP_SNMP_VARBIND);
+  LWIP_ASSERT("vb != NULL",vb != NULL);
+  if (vb != NULL)
+  {
+    u8_t i;
+
+    vb->next = NULL;
+    vb->prev = NULL;
+    i = oid->len;
+    vb->ident_len = i;
+    if (i > 0)
+    {
+      LWIP_ASSERT("SNMP_MAX_TREE_DEPTH is configured too low", i <= SNMP_MAX_TREE_DEPTH);
+      /* allocate array of s32_t for our object identifier */
+      vb->ident = (s32_t*)memp_malloc(MEMP_SNMP_VALUE);
+      LWIP_ASSERT("vb->ident != NULL",vb->ident != NULL);
+      if (vb->ident == NULL)
+      {
+        memp_free(MEMP_SNMP_VARBIND, vb);
+        return NULL;
+      }
+      while(i > 0)
+      {
+        i--;
+        vb->ident[i] = oid->id[i];
+      }
+    }
+    else
+    {
+      /* i == 0, pass zero length object identifier */
+      vb->ident = NULL;
+    }
+    vb->value_type = type;
+    vb->value_len = len;
+    if (len > 0)
+    {
+      LWIP_ASSERT("SNMP_MAX_OCTET_STRING_LEN is configured too low", vb->value_len <= SNMP_MAX_VALUE_SIZE);
+      /* allocate raw bytes for our object value */
+      vb->value = memp_malloc(MEMP_SNMP_VALUE);
+      LWIP_ASSERT("vb->value != NULL",vb->value != NULL);
+      if (vb->value == NULL)
+      {
+        if (vb->ident != NULL)
+        {
+          memp_free(MEMP_SNMP_VALUE, vb->ident);
+        }
+        memp_free(MEMP_SNMP_VARBIND, vb);
+        return NULL;
+      }
+    }
+    else
+    {
+      /* ASN1_NUL type, or zero length ASN1_OC_STR */
+      vb->value = NULL;
+    }
+  }
+  return vb;
+}
+
+void
+snmp_varbind_free(struct snmp_varbind *vb)
+{
+  if (vb->value != NULL )
+  {
+    memp_free(MEMP_SNMP_VALUE, vb->value);
+  }
+  if (vb->ident != NULL )
+  {
+    memp_free(MEMP_SNMP_VALUE, vb->ident);
+  }
+  memp_free(MEMP_SNMP_VARBIND, vb);
+}
+
+void
+snmp_varbind_list_free(struct snmp_varbind_root *root)
+{
+  struct snmp_varbind *vb, *prev;
+
+  vb = root->tail;
+  while ( vb != NULL )
+  {
+    prev = vb->prev;
+    snmp_varbind_free(vb);
+    vb = prev;
+  }
+  root->count = 0;
+  root->head = NULL;
+  root->tail = NULL;
+}
+
+void
+snmp_varbind_tail_add(struct snmp_varbind_root *root, struct snmp_varbind *vb)
+{
+  if (root->count == 0)
+  {
+    /* add first varbind to list */
+    root->head = vb;
+    root->tail = vb;
+  }
+  else
+  {
+    /* add nth varbind to list tail */
+    root->tail->next = vb;
+    vb->prev = root->tail;
+    root->tail = vb;
+  }
+  root->count += 1;
+}
+
+struct snmp_varbind*
+snmp_varbind_tail_remove(struct snmp_varbind_root *root)
+{
+  struct snmp_varbind* vb;
+
+  if (root->count > 0)
+  {
+    /* remove tail varbind */
+    vb = root->tail;
+    root->tail = vb->prev;
+    vb->prev->next = NULL;
+    root->count -= 1;
+  }
+  else
+  {
+    /* nothing to remove */
+    vb = NULL;
+  }
+  return vb;
+}
+
+#endif /* LWIP_SNMP */
diff --git a/libraries/net/lwip/lwip/core/snmp/msg_out.c b/libraries/net/lwip/lwip/core/snmp/msg_out.c
new file mode 100644
index 0000000000..4778bee6f4
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/snmp/msg_out.c
@@ -0,0 +1,681 @@
+/**
+ * @file
+ * SNMP output message processing (RFC1157).
+ *
+ * Output responses and traps are build in two passes:
+ *
+ * Pass 0: iterate over the output message backwards to determine encoding lengths
+ * Pass 1: the actual forward encoding of internal form into ASN1
+ *
+ * The single-pass encoding method described by Comer & Stevens
+ * requires extra buffer space and copying for reversal of the packet.
+ * The buffer requirement can be prohibitively large for big payloads
+ * (>= 484) therefore we use the two encoding passes.
+ */
+
+/*
+ * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Christiaan Simons 
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/udp.h"
+#include "lwip/netif.h"
+#include "lwip/snmp.h"
+#include "lwip/snmp_asn1.h"
+#include "lwip/snmp_msg.h"
+
+struct snmp_trap_dst
+{
+  /* destination IP address in network order */
+  ip_addr_t dip;
+  /* set to 0 when disabled, >0 when enabled */
+  u8_t enable;
+};
+struct snmp_trap_dst trap_dst[SNMP_TRAP_DESTINATIONS];
+
+/** TRAP message structure */
+struct snmp_msg_trap trap_msg;
+
+static u16_t snmp_resp_header_sum(struct snmp_msg_pstat *m_stat, u16_t vb_len);
+static u16_t snmp_trap_header_sum(struct snmp_msg_trap *m_trap, u16_t vb_len);
+static u16_t snmp_varbind_list_sum(struct snmp_varbind_root *root);
+
+static u16_t snmp_resp_header_enc(struct snmp_msg_pstat *m_stat, struct pbuf *p);
+static u16_t snmp_trap_header_enc(struct snmp_msg_trap *m_trap, struct pbuf *p);
+static u16_t snmp_varbind_list_enc(struct snmp_varbind_root *root, struct pbuf *p, u16_t ofs);
+
+/**
+ * Sets enable switch for this trap destination.
+ * @param dst_idx index in 0 .. SNMP_TRAP_DESTINATIONS-1
+ * @param enable switch if 0 destination is disabled >0 enabled.
+ */
+void
+snmp_trap_dst_enable(u8_t dst_idx, u8_t enable)
+{
+  if (dst_idx < SNMP_TRAP_DESTINATIONS)
+  {
+    trap_dst[dst_idx].enable = enable;
+  }
+}
+
+/**
+ * Sets IPv4 address for this trap destination.
+ * @param dst_idx index in 0 .. SNMP_TRAP_DESTINATIONS-1
+ * @param dst IPv4 address in host order.
+ */
+void
+snmp_trap_dst_ip_set(u8_t dst_idx, ip_addr_t *dst)
+{
+  if (dst_idx < SNMP_TRAP_DESTINATIONS)
+  {
+    ip_addr_set(&trap_dst[dst_idx].dip, dst);
+  }
+}
+
+/**
+ * Sends a 'getresponse' message to the request originator.
+ *
+ * @param m_stat points to the current message request state source
+ * @return ERR_OK when success, ERR_MEM if we're out of memory
+ *
+ * @note the caller is responsible for filling in outvb in the m_stat
+ * and provide error-status and index (except for tooBig errors) ...
+ */
+err_t
+snmp_send_response(struct snmp_msg_pstat *m_stat)
+{
+  struct snmp_varbind_root emptyvb = {NULL, NULL, 0, 0, 0};
+  struct pbuf *p;
+  u16_t tot_len;
+  err_t err;
+
+  /* pass 0, calculate length fields */
+  tot_len = snmp_varbind_list_sum(&m_stat->outvb);
+  tot_len = snmp_resp_header_sum(m_stat, tot_len);
+
+  /* try allocating pbuf(s) for complete response */
+  p = pbuf_alloc(PBUF_TRANSPORT, tot_len, PBUF_POOL);
+  if (p == NULL)
+  {
+    LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_snd_response() tooBig\n"));
+
+    /* can't construct reply, return error-status tooBig */
+    m_stat->error_status = SNMP_ES_TOOBIG;
+    m_stat->error_index = 0;
+    /* pass 0, recalculate lengths, for empty varbind-list */
+    tot_len = snmp_varbind_list_sum(&emptyvb);
+    tot_len = snmp_resp_header_sum(m_stat, tot_len);
+    /* retry allocation once for header and empty varbind-list */
+    p = pbuf_alloc(PBUF_TRANSPORT, tot_len, PBUF_POOL);
+  }
+  if (p != NULL)
+  {
+    /* first pbuf alloc try or retry alloc success */
+    u16_t ofs;
+
+    LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_snd_response() p != NULL\n"));
+
+    /* pass 1, size error, encode packet ino the pbuf(s) */
+    ofs = snmp_resp_header_enc(m_stat, p);
+    if (m_stat->error_status == SNMP_ES_TOOBIG)
+    {
+      snmp_varbind_list_enc(&emptyvb, p, ofs);
+    }
+    else
+    {
+      snmp_varbind_list_enc(&m_stat->outvb, p, ofs);
+    }
+
+    switch (m_stat->error_status)
+    {
+      case SNMP_ES_TOOBIG:
+        snmp_inc_snmpouttoobigs();
+        break;
+      case SNMP_ES_NOSUCHNAME:
+        snmp_inc_snmpoutnosuchnames();
+        break;
+      case SNMP_ES_BADVALUE:
+        snmp_inc_snmpoutbadvalues();
+        break;
+      case SNMP_ES_GENERROR:
+        snmp_inc_snmpoutgenerrs();
+        break;
+    }
+    snmp_inc_snmpoutgetresponses();
+    snmp_inc_snmpoutpkts();
+
+    /** @todo do we need separate rx and tx pcbs for threaded case? */
+    /** connect to the originating source */
+    udp_connect(m_stat->pcb, &m_stat->sip, m_stat->sp);
+    err = udp_send(m_stat->pcb, p);
+    if (err == ERR_MEM)
+    {
+      /** @todo release some memory, retry and return tooBig? tooMuchHassle? */
+      err = ERR_MEM;
+    }
+    else
+    {
+      err = ERR_OK;
+    }
+    /** disassociate remote address and port with this pcb */
+    udp_disconnect(m_stat->pcb);
+
+    pbuf_free(p);
+    LWIP_DEBUGF(SNMP_MSG_DEBUG, ("snmp_snd_response() done\n"));
+    return err;
+  }
+  else
+  {
+    /* first pbuf alloc try or retry alloc failed
+       very low on memory, couldn't return tooBig */
+    return ERR_MEM;
+  }
+}
+
+
+/**
+ * Sends an generic or enterprise specific trap message.
+ *
+ * @param generic_trap is the trap code
+ * @param eoid points to enterprise object identifier
+ * @param specific_trap used for enterprise traps when generic_trap == 6
+ * @return ERR_OK when success, ERR_MEM if we're out of memory
+ *
+ * @note the caller is responsible for filling in outvb in the trap_msg
+ * @note the use of the enterpise identifier field
+ * is per RFC1215.
+ * Use .iso.org.dod.internet.mgmt.mib-2.snmp for generic traps
+ * and .iso.org.dod.internet.private.enterprises.yourenterprise
+ * (sysObjectID) for specific traps.
+ */
+err_t
+snmp_send_trap(s8_t generic_trap, struct snmp_obj_id *eoid, s32_t specific_trap)
+{
+  struct snmp_trap_dst *td;
+  struct netif *dst_if;
+  ip_addr_t dst_ip;
+  struct pbuf *p;
+  u16_t i,tot_len;
+
+  for (i=0, td = &trap_dst[0]; ienable != 0) && !ip_addr_isany(&td->dip))
+    {
+      /* network order trap destination */
+      ip_addr_copy(trap_msg.dip, td->dip);
+      /* lookup current source address for this dst */
+      dst_if = ip_route(&td->dip);
+      ip_addr_copy(dst_ip, dst_if->ip_addr);
+      /* @todo: what about IPv6? */
+      trap_msg.sip_raw[0] = ip4_addr1(&dst_ip);
+      trap_msg.sip_raw[1] = ip4_addr2(&dst_ip);
+      trap_msg.sip_raw[2] = ip4_addr3(&dst_ip);
+      trap_msg.sip_raw[3] = ip4_addr4(&dst_ip);
+      trap_msg.gen_trap = generic_trap;
+      trap_msg.spc_trap = specific_trap;
+      if (generic_trap == SNMP_GENTRAP_ENTERPRISESPC)
+      {
+        /* enterprise-Specific trap */
+        trap_msg.enterprise = eoid;
+      }
+      else
+      {
+        /* generic (MIB-II) trap */
+        snmp_get_snmpgrpid_ptr(&trap_msg.enterprise);
+      }
+      snmp_get_sysuptime(&trap_msg.ts);
+
+      /* pass 0, calculate length fields */
+      tot_len = snmp_varbind_list_sum(&trap_msg.outvb);
+      tot_len = snmp_trap_header_sum(&trap_msg, tot_len);
+
+      /* allocate pbuf(s) */
+      p = pbuf_alloc(PBUF_TRANSPORT, tot_len, PBUF_POOL);
+      if (p != NULL)
+      {
+        u16_t ofs;
+
+        /* pass 1, encode packet ino the pbuf(s) */
+        ofs = snmp_trap_header_enc(&trap_msg, p);
+        snmp_varbind_list_enc(&trap_msg.outvb, p, ofs);
+
+        snmp_inc_snmpouttraps();
+        snmp_inc_snmpoutpkts();
+
+        /** send to the TRAP destination */
+        udp_sendto(trap_msg.pcb, p, &trap_msg.dip, SNMP_TRAP_PORT);
+
+        pbuf_free(p);
+      }
+      else
+      {
+        return ERR_MEM;
+      }
+    }
+  }
+  return ERR_OK;
+}
+
+void
+snmp_coldstart_trap(void)
+{
+  trap_msg.outvb.head = NULL;
+  trap_msg.outvb.tail = NULL;
+  trap_msg.outvb.count = 0;
+  snmp_send_trap(SNMP_GENTRAP_COLDSTART, NULL, 0);
+}
+
+void
+snmp_authfail_trap(void)
+{
+  u8_t enable;
+  snmp_get_snmpenableauthentraps(&enable);
+  if (enable == 1)
+  {
+    trap_msg.outvb.head = NULL;
+    trap_msg.outvb.tail = NULL;
+    trap_msg.outvb.count = 0;
+    snmp_send_trap(SNMP_GENTRAP_AUTHFAIL, NULL, 0);
+  }
+}
+
+/**
+ * Sums response header field lengths from tail to head and
+ * returns resp_header_lengths for second encoding pass.
+ *
+ * @param vb_len varbind-list length
+ * @param rhl points to returned header lengths
+ * @return the required lenght for encoding the response header
+ */
+static u16_t
+snmp_resp_header_sum(struct snmp_msg_pstat *m_stat, u16_t vb_len)
+{
+  u16_t tot_len;
+  struct snmp_resp_header_lengths *rhl;
+
+  rhl = &m_stat->rhl;
+  tot_len = vb_len;
+  snmp_asn1_enc_s32t_cnt(m_stat->error_index, &rhl->erridxlen);
+  snmp_asn1_enc_length_cnt(rhl->erridxlen, &rhl->erridxlenlen);
+  tot_len += 1 + rhl->erridxlenlen + rhl->erridxlen;
+
+  snmp_asn1_enc_s32t_cnt(m_stat->error_status, &rhl->errstatlen);
+  snmp_asn1_enc_length_cnt(rhl->errstatlen, &rhl->errstatlenlen);
+  tot_len += 1 + rhl->errstatlenlen + rhl->errstatlen;
+
+  snmp_asn1_enc_s32t_cnt(m_stat->rid, &rhl->ridlen);
+  snmp_asn1_enc_length_cnt(rhl->ridlen, &rhl->ridlenlen);
+  tot_len += 1 + rhl->ridlenlen + rhl->ridlen;
+
+  rhl->pdulen = tot_len;
+  snmp_asn1_enc_length_cnt(rhl->pdulen, &rhl->pdulenlen);
+  tot_len += 1 + rhl->pdulenlen;
+
+  rhl->comlen = m_stat->com_strlen;
+  snmp_asn1_enc_length_cnt(rhl->comlen, &rhl->comlenlen);
+  tot_len += 1 + rhl->comlenlen + rhl->comlen;
+
+  snmp_asn1_enc_s32t_cnt(snmp_version, &rhl->verlen);
+  snmp_asn1_enc_length_cnt(rhl->verlen, &rhl->verlenlen);
+  tot_len += 1 + rhl->verlen + rhl->verlenlen;
+
+  rhl->seqlen = tot_len;
+  snmp_asn1_enc_length_cnt(rhl->seqlen, &rhl->seqlenlen);
+  tot_len += 1 + rhl->seqlenlen;
+
+  return tot_len;
+}
+
+/**
+ * Sums trap header field lengths from tail to head and
+ * returns trap_header_lengths for second encoding pass.
+ *
+ * @param vb_len varbind-list length
+ * @param thl points to returned header lengths
+ * @return the required lenght for encoding the trap header
+ */
+static u16_t
+snmp_trap_header_sum(struct snmp_msg_trap *m_trap, u16_t vb_len)
+{
+  u16_t tot_len;
+  struct snmp_trap_header_lengths *thl;
+
+  thl = &m_trap->thl;
+  tot_len = vb_len;
+
+  snmp_asn1_enc_u32t_cnt(m_trap->ts, &thl->tslen);
+  snmp_asn1_enc_length_cnt(thl->tslen, &thl->tslenlen);
+  tot_len += 1 + thl->tslen + thl->tslenlen;
+
+  snmp_asn1_enc_s32t_cnt(m_trap->spc_trap, &thl->strplen);
+  snmp_asn1_enc_length_cnt(thl->strplen, &thl->strplenlen);
+  tot_len += 1 + thl->strplen + thl->strplenlen;
+
+  snmp_asn1_enc_s32t_cnt(m_trap->gen_trap, &thl->gtrplen);
+  snmp_asn1_enc_length_cnt(thl->gtrplen, &thl->gtrplenlen);
+  tot_len += 1 + thl->gtrplen + thl->gtrplenlen;
+
+  thl->aaddrlen = 4;
+  snmp_asn1_enc_length_cnt(thl->aaddrlen, &thl->aaddrlenlen);
+  tot_len += 1 + thl->aaddrlen + thl->aaddrlenlen;
+
+  snmp_asn1_enc_oid_cnt(m_trap->enterprise->len, &m_trap->enterprise->id[0], &thl->eidlen);
+  snmp_asn1_enc_length_cnt(thl->eidlen, &thl->eidlenlen);
+  tot_len += 1 + thl->eidlen + thl->eidlenlen;
+
+  thl->pdulen = tot_len;
+  snmp_asn1_enc_length_cnt(thl->pdulen, &thl->pdulenlen);
+  tot_len += 1 + thl->pdulenlen;
+
+  thl->comlen = sizeof(snmp_publiccommunity) - 1;
+  snmp_asn1_enc_length_cnt(thl->comlen, &thl->comlenlen);
+  tot_len += 1 + thl->comlenlen + thl->comlen;
+
+  snmp_asn1_enc_s32t_cnt(snmp_version, &thl->verlen);
+  snmp_asn1_enc_length_cnt(thl->verlen, &thl->verlenlen);
+  tot_len += 1 + thl->verlen + thl->verlenlen;
+
+  thl->seqlen = tot_len;
+  snmp_asn1_enc_length_cnt(thl->seqlen, &thl->seqlenlen);
+  tot_len += 1 + thl->seqlenlen;
+
+  return tot_len;
+}
+
+/**
+ * Sums varbind lengths from tail to head and
+ * annotates lengths in varbind for second encoding pass.
+ *
+ * @param root points to the root of the variable binding list
+ * @return the required lenght for encoding the variable bindings
+ */
+static u16_t
+snmp_varbind_list_sum(struct snmp_varbind_root *root)
+{
+  struct snmp_varbind *vb;
+  u32_t *uint_ptr;
+  s32_t *sint_ptr;
+  u16_t tot_len;
+
+  tot_len = 0;
+  vb = root->tail;
+  while ( vb != NULL )
+  {
+    /* encoded value lenght depends on type */
+    switch (vb->value_type)
+    {
+      case (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG):
+        sint_ptr = (s32_t*)vb->value;
+        snmp_asn1_enc_s32t_cnt(*sint_ptr, &vb->vlen);
+        break;
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_COUNTER):
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_GAUGE):
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_TIMETICKS):
+        uint_ptr = (u32_t*)vb->value;
+        snmp_asn1_enc_u32t_cnt(*uint_ptr, &vb->vlen);
+        break;
+      case (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OC_STR):
+      case (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_NUL):
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_IPADDR):
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_OPAQUE):
+        vb->vlen = vb->value_len;
+        break;
+      case (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OBJ_ID):
+        sint_ptr = (s32_t*)vb->value;
+        snmp_asn1_enc_oid_cnt(vb->value_len / sizeof(s32_t), sint_ptr, &vb->vlen);
+        break;
+      default:
+        /* unsupported type */
+        vb->vlen = 0;
+        break;
+    };
+    /* encoding length of value length field */
+    snmp_asn1_enc_length_cnt(vb->vlen, &vb->vlenlen);
+    snmp_asn1_enc_oid_cnt(vb->ident_len, vb->ident, &vb->olen);
+    snmp_asn1_enc_length_cnt(vb->olen, &vb->olenlen);
+
+    vb->seqlen = 1 + vb->vlenlen + vb->vlen;
+    vb->seqlen += 1 + vb->olenlen + vb->olen;
+    snmp_asn1_enc_length_cnt(vb->seqlen, &vb->seqlenlen);
+
+    /* varbind seq */
+    tot_len += 1 + vb->seqlenlen + vb->seqlen;
+
+    vb = vb->prev;
+  }
+
+  /* varbind-list seq */
+  root->seqlen = tot_len;
+  snmp_asn1_enc_length_cnt(root->seqlen, &root->seqlenlen);
+  tot_len += 1 + root->seqlenlen;
+
+  return tot_len;
+}
+
+/**
+ * Encodes response header from head to tail.
+ */
+static u16_t
+snmp_resp_header_enc(struct snmp_msg_pstat *m_stat, struct pbuf *p)
+{
+  u16_t ofs;
+
+  ofs = 0;
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_CONSTR | SNMP_ASN1_SEQ));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_stat->rhl.seqlen);
+  ofs += m_stat->rhl.seqlenlen;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_stat->rhl.verlen);
+  ofs += m_stat->rhl.verlenlen;
+  snmp_asn1_enc_s32t(p, ofs, m_stat->rhl.verlen, snmp_version);
+  ofs += m_stat->rhl.verlen;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OC_STR));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_stat->rhl.comlen);
+  ofs += m_stat->rhl.comlenlen;
+  snmp_asn1_enc_raw(p, ofs, m_stat->rhl.comlen, m_stat->community);
+  ofs += m_stat->rhl.comlen;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_CONTXT | SNMP_ASN1_CONSTR | SNMP_ASN1_PDU_GET_RESP));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_stat->rhl.pdulen);
+  ofs += m_stat->rhl.pdulenlen;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_stat->rhl.ridlen);
+  ofs += m_stat->rhl.ridlenlen;
+  snmp_asn1_enc_s32t(p, ofs, m_stat->rhl.ridlen, m_stat->rid);
+  ofs += m_stat->rhl.ridlen;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_stat->rhl.errstatlen);
+  ofs += m_stat->rhl.errstatlenlen;
+  snmp_asn1_enc_s32t(p, ofs, m_stat->rhl.errstatlen, m_stat->error_status);
+  ofs += m_stat->rhl.errstatlen;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_stat->rhl.erridxlen);
+  ofs += m_stat->rhl.erridxlenlen;
+  snmp_asn1_enc_s32t(p, ofs, m_stat->rhl.erridxlen, m_stat->error_index);
+  ofs += m_stat->rhl.erridxlen;
+
+  return ofs;
+}
+
+/**
+ * Encodes trap header from head to tail.
+ */
+static u16_t
+snmp_trap_header_enc(struct snmp_msg_trap *m_trap, struct pbuf *p)
+{
+  u16_t ofs;
+
+  ofs = 0;
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_CONSTR | SNMP_ASN1_SEQ));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_trap->thl.seqlen);
+  ofs += m_trap->thl.seqlenlen;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_trap->thl.verlen);
+  ofs += m_trap->thl.verlenlen;
+  snmp_asn1_enc_s32t(p, ofs, m_trap->thl.verlen, snmp_version);
+  ofs += m_trap->thl.verlen;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OC_STR));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_trap->thl.comlen);
+  ofs += m_trap->thl.comlenlen;
+  snmp_asn1_enc_raw(p, ofs, m_trap->thl.comlen, (u8_t *)&snmp_publiccommunity[0]);
+  ofs += m_trap->thl.comlen;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_CONTXT | SNMP_ASN1_CONSTR | SNMP_ASN1_PDU_TRAP));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_trap->thl.pdulen);
+  ofs += m_trap->thl.pdulenlen;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OBJ_ID));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_trap->thl.eidlen);
+  ofs += m_trap->thl.eidlenlen;
+  snmp_asn1_enc_oid(p, ofs, m_trap->enterprise->len, &m_trap->enterprise->id[0]);
+  ofs += m_trap->thl.eidlen;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_IPADDR));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_trap->thl.aaddrlen);
+  ofs += m_trap->thl.aaddrlenlen;
+  snmp_asn1_enc_raw(p, ofs, m_trap->thl.aaddrlen, &m_trap->sip_raw[0]);
+  ofs += m_trap->thl.aaddrlen;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_trap->thl.gtrplen);
+  ofs += m_trap->thl.gtrplenlen;
+  snmp_asn1_enc_u32t(p, ofs, m_trap->thl.gtrplen, m_trap->gen_trap);
+  ofs += m_trap->thl.gtrplen;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_trap->thl.strplen);
+  ofs += m_trap->thl.strplenlen;
+  snmp_asn1_enc_u32t(p, ofs, m_trap->thl.strplen, m_trap->spc_trap);
+  ofs += m_trap->thl.strplen;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_TIMETICKS));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, m_trap->thl.tslen);
+  ofs += m_trap->thl.tslenlen;
+  snmp_asn1_enc_u32t(p, ofs, m_trap->thl.tslen, m_trap->ts);
+  ofs += m_trap->thl.tslen;
+
+  return ofs;
+}
+
+/**
+ * Encodes varbind list from head to tail.
+ */
+static u16_t
+snmp_varbind_list_enc(struct snmp_varbind_root *root, struct pbuf *p, u16_t ofs)
+{
+  struct snmp_varbind *vb;
+  s32_t *sint_ptr;
+  u32_t *uint_ptr;
+  u8_t *raw_ptr;
+
+  snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_CONSTR | SNMP_ASN1_SEQ));
+  ofs += 1;
+  snmp_asn1_enc_length(p, ofs, root->seqlen);
+  ofs += root->seqlenlen;
+
+  vb = root->head;
+  while ( vb != NULL )
+  {
+    snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_CONSTR | SNMP_ASN1_SEQ));
+    ofs += 1;
+    snmp_asn1_enc_length(p, ofs, vb->seqlen);
+    ofs += vb->seqlenlen;
+
+    snmp_asn1_enc_type(p, ofs, (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OBJ_ID));
+    ofs += 1;
+    snmp_asn1_enc_length(p, ofs, vb->olen);
+    ofs += vb->olenlen;
+    snmp_asn1_enc_oid(p, ofs, vb->ident_len, &vb->ident[0]);
+    ofs += vb->olen;
+
+    snmp_asn1_enc_type(p, ofs, vb->value_type);
+    ofs += 1;
+    snmp_asn1_enc_length(p, ofs, vb->vlen);
+    ofs += vb->vlenlen;
+
+    switch (vb->value_type)
+    {
+      case (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_INTEG):
+        sint_ptr = (s32_t*)vb->value;
+        snmp_asn1_enc_s32t(p, ofs, vb->vlen, *sint_ptr);
+        break;
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_COUNTER):
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_GAUGE):
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_TIMETICKS):
+        uint_ptr = (u32_t*)vb->value;
+        snmp_asn1_enc_u32t(p, ofs, vb->vlen, *uint_ptr);
+        break;
+      case (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OC_STR):
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_IPADDR):
+      case (SNMP_ASN1_APPLIC | SNMP_ASN1_PRIMIT | SNMP_ASN1_OPAQUE):
+        raw_ptr = (u8_t*)vb->value;
+        snmp_asn1_enc_raw(p, ofs, vb->vlen, raw_ptr);
+        break;
+      case (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_NUL):
+        break;
+      case (SNMP_ASN1_UNIV | SNMP_ASN1_PRIMIT | SNMP_ASN1_OBJ_ID):
+        sint_ptr = (s32_t*)vb->value;
+        snmp_asn1_enc_oid(p, ofs, vb->value_len / sizeof(s32_t), sint_ptr);
+        break;
+      default:
+        /* unsupported type */
+        break;
+    };
+    ofs += vb->vlen;
+    vb = vb->next;
+  }
+  return ofs;
+}
+
+#endif /* LWIP_SNMP */
diff --git a/libraries/net/lwip/lwip/core/stats.c b/libraries/net/lwip/lwip/core/stats.c
new file mode 100644
index 0000000000..69f97d41fc
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/stats.c
@@ -0,0 +1,176 @@
+/**
+ * @file
+ * Statistics module
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_STATS /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/def.h"
+#include "lwip/stats.h"
+#include "lwip/mem.h"
+
+#include 
+
+struct stats_ lwip_stats;
+
+void stats_init(void)
+{
+#ifdef LWIP_DEBUG
+#if MEMP_STATS
+  const char * memp_names[] = {
+#define LWIP_MEMPOOL(name,num,size,desc) desc,
+#include "lwip/memp_std.h"
+  };
+  int i;
+  for (i = 0; i < MEMP_MAX; i++) {
+    lwip_stats.memp[i].name = memp_names[i];
+  }
+#endif /* MEMP_STATS */
+#if MEM_STATS
+  lwip_stats.mem.name = "MEM";
+#endif /* MEM_STATS */
+#endif /* LWIP_DEBUG */
+}
+
+#if LWIP_STATS_DISPLAY
+void
+stats_display_proto(struct stats_proto *proto, char *name)
+{
+  LWIP_PLATFORM_DIAG(("\n%s\n\t", name));
+  LWIP_PLATFORM_DIAG(("xmit: %"STAT_COUNTER_F"\n\t", proto->xmit)); 
+  LWIP_PLATFORM_DIAG(("recv: %"STAT_COUNTER_F"\n\t", proto->recv)); 
+  LWIP_PLATFORM_DIAG(("fw: %"STAT_COUNTER_F"\n\t", proto->fw)); 
+  LWIP_PLATFORM_DIAG(("drop: %"STAT_COUNTER_F"\n\t", proto->drop)); 
+  LWIP_PLATFORM_DIAG(("chkerr: %"STAT_COUNTER_F"\n\t", proto->chkerr)); 
+  LWIP_PLATFORM_DIAG(("lenerr: %"STAT_COUNTER_F"\n\t", proto->lenerr)); 
+  LWIP_PLATFORM_DIAG(("memerr: %"STAT_COUNTER_F"\n\t", proto->memerr)); 
+  LWIP_PLATFORM_DIAG(("rterr: %"STAT_COUNTER_F"\n\t", proto->rterr)); 
+  LWIP_PLATFORM_DIAG(("proterr: %"STAT_COUNTER_F"\n\t", proto->proterr)); 
+  LWIP_PLATFORM_DIAG(("opterr: %"STAT_COUNTER_F"\n\t", proto->opterr)); 
+  LWIP_PLATFORM_DIAG(("err: %"STAT_COUNTER_F"\n\t", proto->err)); 
+  LWIP_PLATFORM_DIAG(("cachehit: %"STAT_COUNTER_F"\n", proto->cachehit)); 
+}
+
+#if IGMP_STATS
+void
+stats_display_igmp(struct stats_igmp *igmp)
+{
+  LWIP_PLATFORM_DIAG(("\nIGMP\n\t"));
+  LWIP_PLATFORM_DIAG(("xmit: %"STAT_COUNTER_F"\n\t", igmp->xmit)); 
+  LWIP_PLATFORM_DIAG(("recv: %"STAT_COUNTER_F"\n\t", igmp->recv)); 
+  LWIP_PLATFORM_DIAG(("drop: %"STAT_COUNTER_F"\n\t", igmp->drop)); 
+  LWIP_PLATFORM_DIAG(("chkerr: %"STAT_COUNTER_F"\n\t", igmp->chkerr)); 
+  LWIP_PLATFORM_DIAG(("lenerr: %"STAT_COUNTER_F"\n\t", igmp->lenerr)); 
+  LWIP_PLATFORM_DIAG(("memerr: %"STAT_COUNTER_F"\n\t", igmp->memerr)); 
+  LWIP_PLATFORM_DIAG(("proterr: %"STAT_COUNTER_F"\n\t", igmp->proterr)); 
+  LWIP_PLATFORM_DIAG(("rx_v1: %"STAT_COUNTER_F"\n\t", igmp->rx_v1)); 
+  LWIP_PLATFORM_DIAG(("rx_group: %"STAT_COUNTER_F"\n", igmp->rx_group));
+  LWIP_PLATFORM_DIAG(("rx_general: %"STAT_COUNTER_F"\n", igmp->rx_general));
+  LWIP_PLATFORM_DIAG(("rx_report: %"STAT_COUNTER_F"\n\t", igmp->rx_report)); 
+  LWIP_PLATFORM_DIAG(("tx_join: %"STAT_COUNTER_F"\n\t", igmp->tx_join)); 
+  LWIP_PLATFORM_DIAG(("tx_leave: %"STAT_COUNTER_F"\n\t", igmp->tx_leave)); 
+  LWIP_PLATFORM_DIAG(("tx_report: %"STAT_COUNTER_F"\n\t", igmp->tx_report)); 
+}
+#endif /* IGMP_STATS */
+
+#if MEM_STATS || MEMP_STATS
+void
+stats_display_mem(struct stats_mem *mem, char *name)
+{
+  LWIP_PLATFORM_DIAG(("\nMEM %s\n\t", name));
+  LWIP_PLATFORM_DIAG(("avail: %"U32_F"\n\t", (u32_t)mem->avail)); 
+  LWIP_PLATFORM_DIAG(("used: %"U32_F"\n\t", (u32_t)mem->used)); 
+  LWIP_PLATFORM_DIAG(("max: %"U32_F"\n\t", (u32_t)mem->max)); 
+  LWIP_PLATFORM_DIAG(("err: %"U32_F"\n", (u32_t)mem->err));
+}
+
+#if MEMP_STATS
+void
+stats_display_memp(struct stats_mem *mem, int index)
+{
+  char * memp_names[] = {
+#define LWIP_MEMPOOL(name,num,size,desc) desc,
+#include "lwip/memp_std.h"
+  };
+  if(index < MEMP_MAX) {
+    stats_display_mem(mem, memp_names[index]);
+  }
+}
+#endif /* MEMP_STATS */
+#endif /* MEM_STATS || MEMP_STATS */
+
+#if SYS_STATS
+void
+stats_display_sys(struct stats_sys *sys)
+{
+  LWIP_PLATFORM_DIAG(("\nSYS\n\t"));
+  LWIP_PLATFORM_DIAG(("sem.used:  %"U32_F"\n\t", (u32_t)sys->sem.used)); 
+  LWIP_PLATFORM_DIAG(("sem.max:   %"U32_F"\n\t", (u32_t)sys->sem.max)); 
+  LWIP_PLATFORM_DIAG(("sem.err:   %"U32_F"\n\t", (u32_t)sys->sem.err)); 
+  LWIP_PLATFORM_DIAG(("mutex.used: %"U32_F"\n\t", (u32_t)sys->mutex.used)); 
+  LWIP_PLATFORM_DIAG(("mutex.max:  %"U32_F"\n\t", (u32_t)sys->mutex.max)); 
+  LWIP_PLATFORM_DIAG(("mutex.err:  %"U32_F"\n\t", (u32_t)sys->mutex.err)); 
+  LWIP_PLATFORM_DIAG(("mbox.used:  %"U32_F"\n\t", (u32_t)sys->mbox.used)); 
+  LWIP_PLATFORM_DIAG(("mbox.max:   %"U32_F"\n\t", (u32_t)sys->mbox.max)); 
+  LWIP_PLATFORM_DIAG(("mbox.err:   %"U32_F"\n\t", (u32_t)sys->mbox.err)); 
+}
+#endif /* SYS_STATS */
+
+void
+stats_display(void)
+{
+  s16_t i;
+
+  LINK_STATS_DISPLAY();
+  ETHARP_STATS_DISPLAY();
+  IPFRAG_STATS_DISPLAY();
+  IP_STATS_DISPLAY();
+  IGMP_STATS_DISPLAY();
+  ICMP_STATS_DISPLAY();
+  UDP_STATS_DISPLAY();
+  TCP_STATS_DISPLAY();
+  MEM_STATS_DISPLAY();
+  for (i = 0; i < MEMP_MAX; i++) {
+    MEMP_STATS_DISPLAY(i);
+  }
+  SYS_STATS_DISPLAY();
+}
+#endif /* LWIP_STATS_DISPLAY */
+
+#endif /* LWIP_STATS */
+
diff --git a/libraries/net/lwip/lwip/core/tcp.c b/libraries/net/lwip/lwip/core/tcp.c
new file mode 100644
index 0000000000..c629bc4e8a
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/tcp.c
@@ -0,0 +1,1635 @@
+/**
+ * @file
+ * Transmission Control Protocol for IP
+ *
+ * This file contains common functions for the TCP implementation, such as functinos
+ * for manipulating the data structures and the TCP timer functions. TCP functions
+ * related to input and output is found in tcp_in.c and tcp_out.c respectively.
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/def.h"
+#include "lwip/mem.h"
+#include "lwip/memp.h"
+#include "lwip/snmp.h"
+#include "lwip/tcp.h"
+#include "lwip/tcp_impl.h"
+#include "lwip/debug.h"
+#include "lwip/stats.h"
+
+#include 
+
+const char * const tcp_state_str[] = {
+  "CLOSED",      
+  "LISTEN",      
+  "SYN_SENT",    
+  "SYN_RCVD",    
+  "ESTABLISHED", 
+  "FIN_WAIT_1",  
+  "FIN_WAIT_2",  
+  "CLOSE_WAIT",  
+  "CLOSING",     
+  "LAST_ACK",    
+  "TIME_WAIT"   
+};
+
+/* Incremented every coarse grained timer shot (typically every 500 ms). */
+u32_t tcp_ticks;
+const u8_t tcp_backoff[13] =
+    { 1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7};
+ /* Times per slowtmr hits */
+const u8_t tcp_persist_backoff[7] = { 3, 6, 12, 24, 48, 96, 120 };
+
+/* The TCP PCB lists. */
+
+/** List of all TCP PCBs bound but not yet (connected || listening) */
+struct tcp_pcb *tcp_bound_pcbs;
+/** List of all TCP PCBs in LISTEN state */
+union tcp_listen_pcbs_t tcp_listen_pcbs;
+/** List of all TCP PCBs that are in a state in which
+ * they accept or send data. */
+struct tcp_pcb *tcp_active_pcbs;
+/** List of all TCP PCBs in TIME-WAIT state */
+struct tcp_pcb *tcp_tw_pcbs;
+
+#define NUM_TCP_PCB_LISTS               4
+#define NUM_TCP_PCB_LISTS_NO_TIME_WAIT  3
+/** An array with all (non-temporary) PCB lists, mainly used for smaller code size */
+struct tcp_pcb ** const tcp_pcb_lists[] = {&tcp_listen_pcbs.pcbs, &tcp_bound_pcbs,
+  &tcp_active_pcbs, &tcp_tw_pcbs};
+
+/** Only used for temporary storage. */
+struct tcp_pcb *tcp_tmp_pcb;
+
+/** Timer counter to handle calling slow-timer from tcp_tmr() */ 
+static u8_t tcp_timer;
+static u16_t tcp_new_port(void);
+
+/**
+ * Called periodically to dispatch TCP timers.
+ *
+ */
+void
+tcp_tmr(void)
+{
+  /* Call tcp_fasttmr() every 250 ms */
+  tcp_fasttmr();
+
+  if (++tcp_timer & 1) {
+    /* Call tcp_tmr() every 500 ms, i.e., every other timer
+       tcp_tmr() is called. */
+    tcp_slowtmr();
+  }
+}
+
+/**
+ * Closes the TX side of a connection held by the PCB.
+ * For tcp_close(), a RST is sent if the application didn't receive all data
+ * (tcp_recved() not called for all data passed to recv callback).
+ *
+ * Listening pcbs are freed and may not be referenced any more.
+ * Connection pcbs are freed if not yet connected and may not be referenced
+ * any more. If a connection is established (at least SYN received or in
+ * a closing state), the connection is closed, and put in a closing state.
+ * The pcb is then automatically freed in tcp_slowtmr(). It is therefore
+ * unsafe to reference it.
+ *
+ * @param pcb the tcp_pcb to close
+ * @return ERR_OK if connection has been closed
+ *         another err_t if closing failed and pcb is not freed
+ */
+static err_t
+tcp_close_shutdown(struct tcp_pcb *pcb, u8_t rst_on_unacked_data)
+{
+  err_t err;
+
+  if (rst_on_unacked_data && (pcb->state != LISTEN)) {
+    if ((pcb->refused_data != NULL) || (pcb->rcv_wnd != TCP_WND)) {
+      /* Not all data received by application, send RST to tell the remote
+         side about this. */
+      LWIP_ASSERT("pcb->flags & TF_RXCLOSED", pcb->flags & TF_RXCLOSED);
+
+      /* don't call tcp_abort here: we must not deallocate the pcb since
+         that might not be expected when calling tcp_close */
+      tcp_rst(pcb->snd_nxt, pcb->rcv_nxt, &pcb->local_ip, &pcb->remote_ip,
+        pcb->local_port, pcb->remote_port);
+
+      tcp_pcb_purge(pcb);
+
+      /* TODO: to which state do we move now? */
+
+      /* move to TIME_WAIT since we close actively */
+      TCP_RMV(&tcp_active_pcbs, pcb);
+      pcb->state = TIME_WAIT;
+      TCP_REG(&tcp_tw_pcbs, pcb);
+
+      return ERR_OK;
+    }
+  }
+
+  switch (pcb->state) {
+  case CLOSED:
+    /* Closing a pcb in the CLOSED state might seem erroneous,
+     * however, it is in this state once allocated and as yet unused
+     * and the user needs some way to free it should the need arise.
+     * Calling tcp_close() with a pcb that has already been closed, (i.e. twice)
+     * or for a pcb that has been used and then entered the CLOSED state 
+     * is erroneous, but this should never happen as the pcb has in those cases
+     * been freed, and so any remaining handles are bogus. */
+    err = ERR_OK;
+    if (pcb->local_port != 0) {
+      TCP_RMV(&tcp_bound_pcbs, pcb);
+    }
+    memp_free(MEMP_TCP_PCB, pcb);
+    pcb = NULL;
+    break;
+  case LISTEN:
+    err = ERR_OK;
+    tcp_pcb_remove(&tcp_listen_pcbs.pcbs, pcb);
+    memp_free(MEMP_TCP_PCB_LISTEN, pcb);
+    pcb = NULL;
+    break;
+  case SYN_SENT:
+    err = ERR_OK;
+    tcp_pcb_remove(&tcp_active_pcbs, pcb);
+    memp_free(MEMP_TCP_PCB, pcb);
+    pcb = NULL;
+    snmp_inc_tcpattemptfails();
+    break;
+  case SYN_RCVD:
+    err = tcp_send_fin(pcb);
+    if (err == ERR_OK) {
+      snmp_inc_tcpattemptfails();
+      pcb->state = FIN_WAIT_1;
+    }
+    break;
+  case ESTABLISHED:
+    err = tcp_send_fin(pcb);
+    if (err == ERR_OK) {
+      snmp_inc_tcpestabresets();
+      pcb->state = FIN_WAIT_1;
+    }
+    break;
+  case CLOSE_WAIT:
+    err = tcp_send_fin(pcb);
+    if (err == ERR_OK) {
+      snmp_inc_tcpestabresets();
+      pcb->state = LAST_ACK;
+    }
+    break;
+  default:
+    /* Has already been closed, do nothing. */
+    err = ERR_OK;
+    pcb = NULL;
+    break;
+  }
+
+  if (pcb != NULL && err == ERR_OK) {
+    /* To ensure all data has been sent when tcp_close returns, we have
+       to make sure tcp_output doesn't fail.
+       Since we don't really have to ensure all data has been sent when tcp_close
+       returns (unsent data is sent from tcp timer functions, also), we don't care
+       for the return value of tcp_output for now. */
+    /* @todo: When implementing SO_LINGER, this must be changed somehow:
+       If SOF_LINGER is set, the data should be sent and acked before close returns.
+       This can only be valid for sequential APIs, not for the raw API. */
+    tcp_output(pcb);
+  }
+  return err;
+}
+
+/**
+ * Closes the connection held by the PCB.
+ *
+ * Listening pcbs are freed and may not be referenced any more.
+ * Connection pcbs are freed if not yet connected and may not be referenced
+ * any more. If a connection is established (at least SYN received or in
+ * a closing state), the connection is closed, and put in a closing state.
+ * The pcb is then automatically freed in tcp_slowtmr(). It is therefore
+ * unsafe to reference it (unless an error is returned).
+ *
+ * @param pcb the tcp_pcb to close
+ * @return ERR_OK if connection has been closed
+ *         another err_t if closing failed and pcb is not freed
+ */
+err_t
+tcp_close(struct tcp_pcb *pcb)
+{
+#if TCP_DEBUG
+  LWIP_DEBUGF(TCP_DEBUG, ("tcp_close: closing in "));
+  tcp_debug_print_state(pcb->state);
+#endif /* TCP_DEBUG */
+
+  if (pcb->state != LISTEN) {
+    /* Set a flag not to receive any more data... */
+    pcb->flags |= TF_RXCLOSED;
+  }
+  /* ... and close */
+  return tcp_close_shutdown(pcb, 1);
+}
+
+/**
+ * Causes all or part of a full-duplex connection of this PCB to be shut down.
+ * This doesn't deallocate the PCB!
+ *
+ * @param pcb PCB to shutdown
+ * @param shut_rx shut down receive side if this is != 0
+ * @param shut_tx shut down send side if this is != 0
+ * @return ERR_OK if shutdown succeeded (or the PCB has already been shut down)
+ *         another err_t on error.
+ */
+err_t
+tcp_shutdown(struct tcp_pcb *pcb, int shut_rx, int shut_tx)
+{
+  if (pcb->state == LISTEN) {
+    return ERR_CONN;
+  }
+  if (shut_rx) {
+    /* shut down the receive side: free buffered data... */
+    if (pcb->refused_data != NULL) {
+      pbuf_free(pcb->refused_data);
+      pcb->refused_data = NULL;
+    }
+    /* ... and set a flag not to receive any more data */
+    pcb->flags |= TF_RXCLOSED;
+  }
+  if (shut_tx) {
+    /* This can't happen twice since if it succeeds, the pcb's state is changed.
+       Only close in these states as the others directly deallocate the PCB */
+    switch (pcb->state) {
+  case SYN_RCVD:
+  case ESTABLISHED:
+  case CLOSE_WAIT:
+    return tcp_close_shutdown(pcb, 0);
+  default:
+    /* don't shut down other states */
+    break;
+    }
+  }
+  /* @todo: return another err_t if not in correct state or already shut? */
+  return ERR_OK;
+}
+
+/**
+ * Abandons a connection and optionally sends a RST to the remote
+ * host.  Deletes the local protocol control block. This is done when
+ * a connection is killed because of shortage of memory.
+ *
+ * @param pcb the tcp_pcb to abort
+ * @param reset boolean to indicate whether a reset should be sent
+ */
+void
+tcp_abandon(struct tcp_pcb *pcb, int reset)
+{
+  u32_t seqno, ackno;
+  u16_t remote_port, local_port;
+  ip_addr_t remote_ip, local_ip;
+#if LWIP_CALLBACK_API  
+  tcp_err_fn errf;
+#endif /* LWIP_CALLBACK_API */
+  void *errf_arg;
+
+  /* pcb->state LISTEN not allowed here */
+  LWIP_ASSERT("don't call tcp_abort/tcp_abandon for listen-pcbs",
+    pcb->state != LISTEN);
+  /* Figure out on which TCP PCB list we are, and remove us. If we
+     are in an active state, call the receive function associated with
+     the PCB with a NULL argument, and send an RST to the remote end. */
+  if (pcb->state == TIME_WAIT) {
+    tcp_pcb_remove(&tcp_tw_pcbs, pcb);
+    memp_free(MEMP_TCP_PCB, pcb);
+  } else {
+    seqno = pcb->snd_nxt;
+    ackno = pcb->rcv_nxt;
+    ip_addr_copy(local_ip, pcb->local_ip);
+    ip_addr_copy(remote_ip, pcb->remote_ip);
+    local_port = pcb->local_port;
+    remote_port = pcb->remote_port;
+#if LWIP_CALLBACK_API
+    errf = pcb->errf;
+#endif /* LWIP_CALLBACK_API */
+    errf_arg = pcb->callback_arg;
+    tcp_pcb_remove(&tcp_active_pcbs, pcb);
+    if (pcb->unacked != NULL) {
+      tcp_segs_free(pcb->unacked);
+    }
+    if (pcb->unsent != NULL) {
+      tcp_segs_free(pcb->unsent);
+    }
+#if TCP_QUEUE_OOSEQ    
+    if (pcb->ooseq != NULL) {
+      tcp_segs_free(pcb->ooseq);
+    }
+#endif /* TCP_QUEUE_OOSEQ */
+    memp_free(MEMP_TCP_PCB, pcb);
+    TCP_EVENT_ERR(errf, errf_arg, ERR_ABRT);
+    if (reset) {
+      LWIP_DEBUGF(TCP_RST_DEBUG, ("tcp_abandon: sending RST\n"));
+      tcp_rst(seqno, ackno, &local_ip, &remote_ip, local_port, remote_port);
+    }
+  }
+}
+
+/**
+ * Aborts the connection by sending a RST (reset) segment to the remote
+ * host. The pcb is deallocated. This function never fails.
+ *
+ * ATTENTION: When calling this from one of the TCP callbacks, make
+ * sure you always return ERR_ABRT (and never return ERR_ABRT otherwise
+ * or you will risk accessing deallocated memory or memory leaks!
+ *
+ * @param pcb the tcp pcb to abort
+ */
+void
+tcp_abort(struct tcp_pcb *pcb)
+{
+  tcp_abandon(pcb, 1);
+}
+
+/**
+ * Binds the connection to a local portnumber and IP address. If the
+ * IP address is not given (i.e., ipaddr == NULL), the IP address of
+ * the outgoing network interface is used instead.
+ *
+ * @param pcb the tcp_pcb to bind (no check is done whether this pcb is
+ *        already bound!)
+ * @param ipaddr the local ip address to bind to (use IP_ADDR_ANY to bind
+ *        to any local address
+ * @param port the local port to bind to
+ * @return ERR_USE if the port is already in use
+ *         ERR_VAL if bind failed because the PCB is not in a valid state
+ *         ERR_OK if bound
+ */
+err_t
+tcp_bind(struct tcp_pcb *pcb, ip_addr_t *ipaddr, u16_t port)
+{
+  int i;
+  int max_pcb_list = NUM_TCP_PCB_LISTS;
+  struct tcp_pcb *cpcb;
+
+  LWIP_ERROR("tcp_bind: can only bind in state CLOSED", pcb->state == CLOSED, return ERR_VAL);
+
+#if SO_REUSE
+  /* Unless the REUSEADDR flag is set,
+     we have to check the pcbs in TIME-WAIT state, also.
+     We do not dump TIME_WAIT pcb's; they can still be matched by incoming
+     packets using both local and remote IP addresses and ports to distinguish.
+   */
+  if ((pcb->so_options & SOF_REUSEADDR) != 0) {
+    max_pcb_list = NUM_TCP_PCB_LISTS_NO_TIME_WAIT;
+  }
+#endif /* SO_REUSE */
+
+  if (port == 0) {
+    port = tcp_new_port();
+  }
+
+  /* Check if the address already is in use (on all lists) */
+  for (i = 0; i < max_pcb_list; i++) {
+    for(cpcb = *tcp_pcb_lists[i]; cpcb != NULL; cpcb = cpcb->next) {
+      if (cpcb->local_port == port) {
+#if SO_REUSE
+        /* Omit checking for the same port if both pcbs have REUSEADDR set.
+           For SO_REUSEADDR, the duplicate-check for a 5-tuple is done in
+           tcp_connect. */
+        if (((pcb->so_options & SOF_REUSEADDR) == 0) ||
+          ((cpcb->so_options & SOF_REUSEADDR) == 0))
+#endif /* SO_REUSE */
+        {
+          if (ip_addr_isany(&(cpcb->local_ip)) ||
+              ip_addr_isany(ipaddr) ||
+              ip_addr_cmp(&(cpcb->local_ip), ipaddr)) {
+            return ERR_USE;
+          }
+        }
+      }
+    }
+  }
+
+  if (!ip_addr_isany(ipaddr)) {
+    pcb->local_ip = *ipaddr;
+  }
+  pcb->local_port = port;
+  TCP_REG(&tcp_bound_pcbs, pcb);
+  LWIP_DEBUGF(TCP_DEBUG, ("tcp_bind: bind to port %"U16_F"\n", port));
+  return ERR_OK;
+}
+#if LWIP_CALLBACK_API
+/**
+ * Default accept callback if no accept callback is specified by the user.
+ */
+static err_t
+tcp_accept_null(void *arg, struct tcp_pcb *pcb, err_t err)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_UNUSED_ARG(pcb);
+  LWIP_UNUSED_ARG(err);
+
+  return ERR_ABRT;
+}
+#endif /* LWIP_CALLBACK_API */
+
+/**
+ * Set the state of the connection to be LISTEN, which means that it
+ * is able to accept incoming connections. The protocol control block
+ * is reallocated in order to consume less memory. Setting the
+ * connection to LISTEN is an irreversible process.
+ *
+ * @param pcb the original tcp_pcb
+ * @param backlog the incoming connections queue limit
+ * @return tcp_pcb used for listening, consumes less memory.
+ *
+ * @note The original tcp_pcb is freed. This function therefore has to be
+ *       called like this:
+ *             tpcb = tcp_listen(tpcb);
+ */
+struct tcp_pcb *
+tcp_listen_with_backlog(struct tcp_pcb *pcb, u8_t backlog)
+{
+  struct tcp_pcb_listen *lpcb;
+
+  LWIP_UNUSED_ARG(backlog);
+  LWIP_ERROR("tcp_listen: pcb already connected", pcb->state == CLOSED, return NULL);
+
+  /* already listening? */
+  if (pcb->state == LISTEN) {
+    return pcb;
+  }
+#if SO_REUSE
+  if ((pcb->so_options & SOF_REUSEADDR) != 0) {
+    /* Since SOF_REUSEADDR allows reusing a local address before the pcb's usage
+       is declared (listen-/connection-pcb), we have to make sure now that
+       this port is only used once for every local IP. */
+    for(lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) {
+      if (lpcb->local_port == pcb->local_port) {
+        if (ip_addr_cmp(&lpcb->local_ip, &pcb->local_ip)) {
+          /* this address/port is already used */
+          return NULL;
+        }
+      }
+    }
+  }
+#endif /* SO_REUSE */
+  lpcb = (struct tcp_pcb_listen *)memp_malloc(MEMP_TCP_PCB_LISTEN);
+  if (lpcb == NULL) {
+    return NULL;
+  }
+  lpcb->callback_arg = pcb->callback_arg;
+  lpcb->local_port = pcb->local_port;
+  lpcb->state = LISTEN;
+  lpcb->prio = pcb->prio;
+  lpcb->so_options = pcb->so_options;
+  lpcb->so_options |= SOF_ACCEPTCONN;
+  lpcb->ttl = pcb->ttl;
+  lpcb->tos = pcb->tos;
+  ip_addr_copy(lpcb->local_ip, pcb->local_ip);
+  if (pcb->local_port != 0) {
+    TCP_RMV(&tcp_bound_pcbs, pcb);
+  }
+  memp_free(MEMP_TCP_PCB, pcb);
+#if LWIP_CALLBACK_API
+  lpcb->accept = tcp_accept_null;
+#endif /* LWIP_CALLBACK_API */
+#if TCP_LISTEN_BACKLOG
+  lpcb->accepts_pending = 0;
+  lpcb->backlog = (backlog ? backlog : 1);
+#endif /* TCP_LISTEN_BACKLOG */
+  TCP_REG(&tcp_listen_pcbs.pcbs, (struct tcp_pcb *)lpcb);
+  return (struct tcp_pcb *)lpcb;
+}
+
+/** 
+ * Update the state that tracks the available window space to advertise.
+ *
+ * Returns how much extra window would be advertised if we sent an
+ * update now.
+ */
+u32_t tcp_update_rcv_ann_wnd(struct tcp_pcb *pcb)
+{
+  u32_t new_right_edge = pcb->rcv_nxt + pcb->rcv_wnd;
+
+  if (TCP_SEQ_GEQ(new_right_edge, pcb->rcv_ann_right_edge + LWIP_MIN((TCP_WND / 2), pcb->mss))) {
+    /* we can advertise more window */
+    pcb->rcv_ann_wnd = pcb->rcv_wnd;
+    return new_right_edge - pcb->rcv_ann_right_edge;
+  } else {
+    if (TCP_SEQ_GT(pcb->rcv_nxt, pcb->rcv_ann_right_edge)) {
+      /* Can happen due to other end sending out of advertised window,
+       * but within actual available (but not yet advertised) window */
+      pcb->rcv_ann_wnd = 0;
+    } else {
+      /* keep the right edge of window constant */
+      u32_t new_rcv_ann_wnd = pcb->rcv_ann_right_edge - pcb->rcv_nxt;
+      LWIP_ASSERT("new_rcv_ann_wnd <= 0xffff", new_rcv_ann_wnd <= 0xffff);
+      pcb->rcv_ann_wnd = (u16_t)new_rcv_ann_wnd;
+    }
+    return 0;
+  }
+}
+
+/**
+ * This function should be called by the application when it has
+ * processed the data. The purpose is to advertise a larger window
+ * when the data has been processed.
+ *
+ * @param pcb the tcp_pcb for which data is read
+ * @param len the amount of bytes that have been read by the application
+ */
+void
+tcp_recved(struct tcp_pcb *pcb, u16_t len)
+{
+  int wnd_inflation;
+
+  LWIP_ASSERT("tcp_recved: len would wrap rcv_wnd\n",
+              len <= 0xffff - pcb->rcv_wnd );
+
+  pcb->rcv_wnd += len;
+  if (pcb->rcv_wnd > TCP_WND) {
+    pcb->rcv_wnd = TCP_WND;
+  }
+
+  wnd_inflation = tcp_update_rcv_ann_wnd(pcb);
+
+  /* If the change in the right edge of window is significant (default
+   * watermark is TCP_WND/4), then send an explicit update now.
+   * Otherwise wait for a packet to be sent in the normal course of
+   * events (or more window to be available later) */
+  if (wnd_inflation >= TCP_WND_UPDATE_THRESHOLD) {
+    tcp_ack_now(pcb);
+    tcp_output(pcb);
+  }
+
+  LWIP_DEBUGF(TCP_DEBUG, ("tcp_recved: recveived %"U16_F" bytes, wnd %"U16_F" (%"U16_F").\n",
+         len, pcb->rcv_wnd, TCP_WND - pcb->rcv_wnd));
+}
+
+/**
+ * A nastly hack featuring 'goto' statements that allocates a
+ * new TCP local port.
+ *
+ * @return a new (free) local TCP port number
+ */
+static u16_t
+tcp_new_port(void)
+{
+  int i;
+  struct tcp_pcb *pcb;
+#ifndef TCP_LOCAL_PORT_RANGE_START
+/* From http://www.iana.org/assignments/port-numbers:
+   "The Dynamic and/or Private Ports are those from 49152 through 65535" */
+#define TCP_LOCAL_PORT_RANGE_START  0xc000
+#define TCP_LOCAL_PORT_RANGE_END    0xffff
+#endif
+  static u16_t port = TCP_LOCAL_PORT_RANGE_START;
+  
+ again:
+  if (port++ >= TCP_LOCAL_PORT_RANGE_END) {
+    port = TCP_LOCAL_PORT_RANGE_START;
+  }
+  /* Check all PCB lists. */
+  for (i = 0; i < NUM_TCP_PCB_LISTS; i++) {
+    for(pcb = *tcp_pcb_lists[i]; pcb != NULL; pcb = pcb->next) {
+      if (pcb->local_port == port) {
+        goto again;
+      }
+    }
+  }
+  return port;
+}
+
+/**
+ * Connects to another host. The function given as the "connected"
+ * argument will be called when the connection has been established.
+ *
+ * @param pcb the tcp_pcb used to establish the connection
+ * @param ipaddr the remote ip address to connect to
+ * @param port the remote tcp port to connect to
+ * @param connected callback function to call when connected (or on error)
+ * @return ERR_VAL if invalid arguments are given
+ *         ERR_OK if connect request has been sent
+ *         other err_t values if connect request couldn't be sent
+ */
+err_t
+tcp_connect(struct tcp_pcb *pcb, ip_addr_t *ipaddr, u16_t port,
+      tcp_connected_fn connected)
+{
+  err_t ret;
+  u32_t iss;
+  u16_t old_local_port;
+
+  LWIP_ERROR("tcp_connect: can only connect from state CLOSED", pcb->state == CLOSED, return ERR_ISCONN);
+
+  LWIP_DEBUGF(TCP_DEBUG, ("tcp_connect to port %"U16_F"\n", port));
+  if (ipaddr != NULL) {
+    pcb->remote_ip = *ipaddr;
+  } else {
+    return ERR_VAL;
+  }
+  pcb->remote_port = port;
+
+  /* check if we have a route to the remote host */
+  if (ip_addr_isany(&(pcb->local_ip))) {
+    /* no local IP address set, yet. */
+    struct netif *netif = ip_route(&(pcb->remote_ip));
+    if (netif == NULL) {
+      /* Don't even try to send a SYN packet if we have no route
+         since that will fail. */
+      return ERR_RTE;
+    }
+    /* Use the netif's IP address as local address. */
+    ip_addr_copy(pcb->local_ip, netif->ip_addr);
+  }
+
+  old_local_port = pcb->local_port;
+  if (pcb->local_port == 0) {
+    pcb->local_port = tcp_new_port();
+  }
+#if SO_REUSE
+  if ((pcb->so_options & SOF_REUSEADDR) != 0) {
+    /* Since SOF_REUSEADDR allows reusing a local address, we have to make sure
+       now that the 5-tuple is unique. */
+    struct tcp_pcb *cpcb;
+    int i;
+    /* Don't check listen- and bound-PCBs, check active- and TIME-WAIT PCBs. */
+    for (i = 2; i < NUM_TCP_PCB_LISTS; i++) {
+      for(cpcb = *tcp_pcb_lists[i]; cpcb != NULL; cpcb = cpcb->next) {
+        if ((cpcb->local_port == pcb->local_port) &&
+            (cpcb->remote_port == port) &&
+            ip_addr_cmp(&cpcb->local_ip, &pcb->local_ip) &&
+            ip_addr_cmp(&cpcb->remote_ip, ipaddr)) {
+          /* linux returns EISCONN here, but ERR_USE should be OK for us */
+          return ERR_USE;
+        }
+      }
+    }
+  }
+#endif /* SO_REUSE */
+  iss = tcp_next_iss();
+  pcb->rcv_nxt = 0;
+  pcb->snd_nxt = iss;
+  pcb->lastack = iss - 1;
+  pcb->snd_lbb = iss - 1;
+  pcb->rcv_wnd = TCP_WND;
+  pcb->rcv_ann_wnd = TCP_WND;
+  pcb->rcv_ann_right_edge = pcb->rcv_nxt;
+  pcb->snd_wnd = TCP_WND;
+  /* As initial send MSS, we use TCP_MSS but limit it to 536.
+     The send MSS is updated when an MSS option is received. */
+  pcb->mss = (TCP_MSS > 536) ? 536 : TCP_MSS;
+#if TCP_CALCULATE_EFF_SEND_MSS
+  pcb->mss = tcp_eff_send_mss(pcb->mss, ipaddr);
+#endif /* TCP_CALCULATE_EFF_SEND_MSS */
+  pcb->cwnd = 1;
+  pcb->ssthresh = pcb->mss * 10;
+#if LWIP_CALLBACK_API
+  pcb->connected = connected;
+#else /* LWIP_CALLBACK_API */  
+  LWIP_UNUSED_ARG(connected);
+#endif /* LWIP_CALLBACK_API */
+
+  /* Send a SYN together with the MSS option. */
+  ret = tcp_enqueue_flags(pcb, TCP_SYN);
+  if (ret == ERR_OK) {
+    /* SYN segment was enqueued, changed the pcbs state now */
+    pcb->state = SYN_SENT;
+    if (old_local_port != 0) {
+      TCP_RMV(&tcp_bound_pcbs, pcb);
+    }
+    TCP_REG(&tcp_active_pcbs, pcb);
+    snmp_inc_tcpactiveopens();
+
+    tcp_output(pcb);
+  }
+  return ret;
+}
+
+/**
+ * Called every 500 ms and implements the retransmission timer and the timer that
+ * removes PCBs that have been in TIME-WAIT for enough time. It also increments
+ * various timers such as the inactivity timer in each PCB.
+ *
+ * Automatically called from tcp_tmr().
+ */
+void
+tcp_slowtmr(void)
+{
+  struct tcp_pcb *pcb, *prev;
+  u16_t eff_wnd;
+  u8_t pcb_remove;      /* flag if a PCB should be removed */
+  u8_t pcb_reset;       /* flag if a RST should be sent when removing */
+  err_t err;
+
+  err = ERR_OK;
+
+  ++tcp_ticks;
+
+  /* Steps through all of the active PCBs. */
+  prev = NULL;
+  pcb = tcp_active_pcbs;
+  if (pcb == NULL) {
+    LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: no active pcbs\n"));
+  }
+  while (pcb != NULL) {
+    LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: processing active pcb\n"));
+    LWIP_ASSERT("tcp_slowtmr: active pcb->state != CLOSED\n", pcb->state != CLOSED);
+    LWIP_ASSERT("tcp_slowtmr: active pcb->state != LISTEN\n", pcb->state != LISTEN);
+    LWIP_ASSERT("tcp_slowtmr: active pcb->state != TIME-WAIT\n", pcb->state != TIME_WAIT);
+
+    pcb_remove = 0;
+    pcb_reset = 0;
+
+    if (pcb->state == SYN_SENT && pcb->nrtx == TCP_SYNMAXRTX) {
+      ++pcb_remove;
+      LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: max SYN retries reached\n"));
+    }
+    else if (pcb->nrtx == TCP_MAXRTX) {
+      ++pcb_remove;
+      LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: max DATA retries reached\n"));
+    } else {
+      if (pcb->persist_backoff > 0) {
+        /* If snd_wnd is zero, use persist timer to send 1 byte probes
+         * instead of using the standard retransmission mechanism. */
+        pcb->persist_cnt++;
+        if (pcb->persist_cnt >= tcp_persist_backoff[pcb->persist_backoff-1]) {
+          pcb->persist_cnt = 0;
+          if (pcb->persist_backoff < sizeof(tcp_persist_backoff)) {
+            pcb->persist_backoff++;
+          }
+          tcp_zero_window_probe(pcb);
+        }
+      } else {
+        /* Increase the retransmission timer if it is running */
+        if(pcb->rtime >= 0)
+          ++pcb->rtime;
+
+        if (pcb->unacked != NULL && pcb->rtime >= pcb->rto) {
+          /* Time for a retransmission. */
+          LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_slowtmr: rtime %"S16_F
+                                      " pcb->rto %"S16_F"\n",
+                                      pcb->rtime, pcb->rto));
+
+          /* Double retransmission time-out unless we are trying to
+           * connect to somebody (i.e., we are in SYN_SENT). */
+          if (pcb->state != SYN_SENT) {
+            pcb->rto = ((pcb->sa >> 3) + pcb->sv) << tcp_backoff[pcb->nrtx];
+          }
+
+          /* Reset the retransmission timer. */
+          pcb->rtime = 0;
+
+          /* Reduce congestion window and ssthresh. */
+          eff_wnd = LWIP_MIN(pcb->cwnd, pcb->snd_wnd);
+          pcb->ssthresh = eff_wnd >> 1;
+          if (pcb->ssthresh < (pcb->mss << 1)) {
+            pcb->ssthresh = (pcb->mss << 1);
+          }
+          pcb->cwnd = pcb->mss;
+          LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_slowtmr: cwnd %"U16_F
+                                       " ssthresh %"U16_F"\n",
+                                       pcb->cwnd, pcb->ssthresh));
+ 
+          /* The following needs to be called AFTER cwnd is set to one
+             mss - STJ */
+          tcp_rexmit_rto(pcb);
+        }
+      }
+    }
+    /* Check if this PCB has stayed too long in FIN-WAIT-2 */
+    if (pcb->state == FIN_WAIT_2) {
+      if ((u32_t)(tcp_ticks - pcb->tmr) >
+          TCP_FIN_WAIT_TIMEOUT / TCP_SLOW_INTERVAL) {
+        ++pcb_remove;
+        LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: removing pcb stuck in FIN-WAIT-2\n"));
+      }
+    }
+
+    /* Check if KEEPALIVE should be sent */
+    if((pcb->so_options & SOF_KEEPALIVE) &&
+       ((pcb->state == ESTABLISHED) ||
+        (pcb->state == CLOSE_WAIT))) {
+#if LWIP_TCP_KEEPALIVE
+      if((u32_t)(tcp_ticks - pcb->tmr) >
+         (pcb->keep_idle + (pcb->keep_cnt*pcb->keep_intvl))
+         / TCP_SLOW_INTERVAL)
+#else      
+      if((u32_t)(tcp_ticks - pcb->tmr) >
+         (pcb->keep_idle + TCP_MAXIDLE) / TCP_SLOW_INTERVAL)
+#endif /* LWIP_TCP_KEEPALIVE */
+      {
+        LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: KEEPALIVE timeout. Aborting connection to %"U16_F".%"U16_F".%"U16_F".%"U16_F".\n",
+                                ip4_addr1_16(&pcb->remote_ip), ip4_addr2_16(&pcb->remote_ip),
+                                ip4_addr3_16(&pcb->remote_ip), ip4_addr4_16(&pcb->remote_ip)));
+        
+        ++pcb_remove;
+        ++pcb_reset;
+      }
+#if LWIP_TCP_KEEPALIVE
+      else if((u32_t)(tcp_ticks - pcb->tmr) > 
+              (pcb->keep_idle + pcb->keep_cnt_sent * pcb->keep_intvl)
+              / TCP_SLOW_INTERVAL)
+#else
+      else if((u32_t)(tcp_ticks - pcb->tmr) > 
+              (pcb->keep_idle + pcb->keep_cnt_sent * TCP_KEEPINTVL_DEFAULT) 
+              / TCP_SLOW_INTERVAL)
+#endif /* LWIP_TCP_KEEPALIVE */
+      {
+        tcp_keepalive(pcb);
+        pcb->keep_cnt_sent++;
+      }
+    }
+
+    /* If this PCB has queued out of sequence data, but has been
+       inactive for too long, will drop the data (it will eventually
+       be retransmitted). */
+#if TCP_QUEUE_OOSEQ
+    if (pcb->ooseq != NULL &&
+        (u32_t)tcp_ticks - pcb->tmr >= pcb->rto * TCP_OOSEQ_TIMEOUT) {
+      tcp_segs_free(pcb->ooseq);
+      pcb->ooseq = NULL;
+      LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_slowtmr: dropping OOSEQ queued data\n"));
+    }
+#endif /* TCP_QUEUE_OOSEQ */
+
+    /* Check if this PCB has stayed too long in SYN-RCVD */
+    if (pcb->state == SYN_RCVD) {
+      if ((u32_t)(tcp_ticks - pcb->tmr) >
+          TCP_SYN_RCVD_TIMEOUT / TCP_SLOW_INTERVAL) {
+        ++pcb_remove;
+        LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: removing pcb stuck in SYN-RCVD\n"));
+      }
+    }
+
+    /* Check if this PCB has stayed too long in LAST-ACK */
+    if (pcb->state == LAST_ACK) {
+      if ((u32_t)(tcp_ticks - pcb->tmr) > 2 * TCP_MSL / TCP_SLOW_INTERVAL) {
+        ++pcb_remove;
+        LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: removing pcb stuck in LAST-ACK\n"));
+      }
+    }
+
+    /* If the PCB should be removed, do it. */
+    if (pcb_remove) {
+      struct tcp_pcb *pcb2;
+      tcp_pcb_purge(pcb);
+      /* Remove PCB from tcp_active_pcbs list. */
+      if (prev != NULL) {
+        LWIP_ASSERT("tcp_slowtmr: middle tcp != tcp_active_pcbs", pcb != tcp_active_pcbs);
+        prev->next = pcb->next;
+      } else {
+        /* This PCB was the first. */
+        LWIP_ASSERT("tcp_slowtmr: first pcb == tcp_active_pcbs", tcp_active_pcbs == pcb);
+        tcp_active_pcbs = pcb->next;
+      }
+
+      TCP_EVENT_ERR(pcb->errf, pcb->callback_arg, ERR_ABRT);
+      if (pcb_reset) {
+        tcp_rst(pcb->snd_nxt, pcb->rcv_nxt, &pcb->local_ip, &pcb->remote_ip,
+          pcb->local_port, pcb->remote_port);
+      }
+
+      pcb2 = pcb;
+      pcb = pcb->next;
+      memp_free(MEMP_TCP_PCB, pcb2);
+    } else {
+      /* get the 'next' element now and work with 'prev' below (in case of abort) */
+      prev = pcb;
+      pcb = pcb->next;
+
+      /* We check if we should poll the connection. */
+      ++prev->polltmr;
+      if (prev->polltmr >= prev->pollinterval) {
+        prev->polltmr = 0;
+        LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: polling application\n"));
+        TCP_EVENT_POLL(prev, err);
+        /* if err == ERR_ABRT, 'prev' is already deallocated */
+        if (err == ERR_OK) {
+          tcp_output(prev);
+        }
+      }
+    }
+  }
+
+  
+  /* Steps through all of the TIME-WAIT PCBs. */
+  prev = NULL;
+  pcb = tcp_tw_pcbs;
+  while (pcb != NULL) {
+    LWIP_ASSERT("tcp_slowtmr: TIME-WAIT pcb->state == TIME-WAIT", pcb->state == TIME_WAIT);
+    pcb_remove = 0;
+
+    /* Check if this PCB has stayed long enough in TIME-WAIT */
+    if ((u32_t)(tcp_ticks - pcb->tmr) > 2 * TCP_MSL / TCP_SLOW_INTERVAL) {
+      ++pcb_remove;
+    }
+    
+
+
+    /* If the PCB should be removed, do it. */
+    if (pcb_remove) {
+      struct tcp_pcb *pcb2;
+      tcp_pcb_purge(pcb);
+      /* Remove PCB from tcp_tw_pcbs list. */
+      if (prev != NULL) {
+        LWIP_ASSERT("tcp_slowtmr: middle tcp != tcp_tw_pcbs", pcb != tcp_tw_pcbs);
+        prev->next = pcb->next;
+      } else {
+        /* This PCB was the first. */
+        LWIP_ASSERT("tcp_slowtmr: first pcb == tcp_tw_pcbs", tcp_tw_pcbs == pcb);
+        tcp_tw_pcbs = pcb->next;
+      }
+      pcb2 = pcb;
+      pcb = pcb->next;
+      memp_free(MEMP_TCP_PCB, pcb2);
+    } else {
+      prev = pcb;
+      pcb = pcb->next;
+    }
+  }
+}
+
+/**
+ * Is called every TCP_FAST_INTERVAL (250 ms) and process data previously
+ * "refused" by upper layer (application) and sends delayed ACKs.
+ *
+ * Automatically called from tcp_tmr().
+ */
+void
+tcp_fasttmr(void)
+{
+  struct tcp_pcb *pcb = tcp_active_pcbs;
+
+  while(pcb != NULL) {
+    struct tcp_pcb *next = pcb->next;
+    /* If there is data which was previously "refused" by upper layer */
+    if (pcb->refused_data != NULL) {
+      /* Notify again application with data previously received. */
+      err_t err;
+      LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_fasttmr: notify kept packet\n"));
+      TCP_EVENT_RECV(pcb, pcb->refused_data, ERR_OK, err);
+      if (err == ERR_OK) {
+        pcb->refused_data = NULL;
+      } else if (err == ERR_ABRT) {
+        /* if err == ERR_ABRT, 'pcb' is already deallocated */
+        pcb = NULL;
+      }
+    }
+
+    /* send delayed ACKs */
+    if (pcb && (pcb->flags & TF_ACK_DELAY)) {
+      LWIP_DEBUGF(TCP_DEBUG, ("tcp_fasttmr: delayed ACK\n"));
+      tcp_ack_now(pcb);
+      tcp_output(pcb);
+      pcb->flags &= ~(TF_ACK_DELAY | TF_ACK_NOW);
+    }
+
+    pcb = next;
+  }
+}
+
+/**
+ * Deallocates a list of TCP segments (tcp_seg structures).
+ *
+ * @param seg tcp_seg list of TCP segments to free
+ */
+void
+tcp_segs_free(struct tcp_seg *seg)
+{
+  while (seg != NULL) {
+    struct tcp_seg *next = seg->next;
+    tcp_seg_free(seg);
+    seg = next;
+  }
+}
+
+/**
+ * Frees a TCP segment (tcp_seg structure).
+ *
+ * @param seg single tcp_seg to free
+ */
+void
+tcp_seg_free(struct tcp_seg *seg)
+{
+  if (seg != NULL) {
+    if (seg->p != NULL) {
+      pbuf_free(seg->p);
+#if TCP_DEBUG
+      seg->p = NULL;
+#endif /* TCP_DEBUG */
+    }
+    memp_free(MEMP_TCP_SEG, seg);
+  }
+}
+
+/**
+ * Sets the priority of a connection.
+ *
+ * @param pcb the tcp_pcb to manipulate
+ * @param prio new priority
+ */
+void
+tcp_setprio(struct tcp_pcb *pcb, u8_t prio)
+{
+  pcb->prio = prio;
+}
+
+#if TCP_QUEUE_OOSEQ
+/**
+ * Returns a copy of the given TCP segment.
+ * The pbuf and data are not copied, only the pointers
+ *
+ * @param seg the old tcp_seg
+ * @return a copy of seg
+ */ 
+struct tcp_seg *
+tcp_seg_copy(struct tcp_seg *seg)
+{
+  struct tcp_seg *cseg;
+
+  cseg = (struct tcp_seg *)memp_malloc(MEMP_TCP_SEG);
+  if (cseg == NULL) {
+    return NULL;
+  }
+  SMEMCPY((u8_t *)cseg, (const u8_t *)seg, sizeof(struct tcp_seg)); 
+  pbuf_ref(cseg->p);
+  return cseg;
+}
+#endif /* TCP_QUEUE_OOSEQ */
+
+#if LWIP_CALLBACK_API
+/**
+ * Default receive callback that is called if the user didn't register
+ * a recv callback for the pcb.
+ */
+err_t
+tcp_recv_null(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
+{
+  LWIP_UNUSED_ARG(arg);
+  if (p != NULL) {
+    tcp_recved(pcb, p->tot_len);
+    pbuf_free(p);
+  } else if (err == ERR_OK) {
+    return tcp_close(pcb);
+  }
+  return ERR_OK;
+}
+#endif /* LWIP_CALLBACK_API */
+
+/**
+ * Kills the oldest active connection that has lower priority than prio.
+ *
+ * @param prio minimum priority
+ */
+static void
+tcp_kill_prio(u8_t prio)
+{
+  struct tcp_pcb *pcb, *inactive;
+  u32_t inactivity;
+  u8_t mprio;
+
+
+  mprio = TCP_PRIO_MAX;
+  
+  /* We kill the oldest active connection that has lower priority than prio. */
+  inactivity = 0;
+  inactive = NULL;
+  for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) {
+    if (pcb->prio <= prio &&
+       pcb->prio <= mprio &&
+       (u32_t)(tcp_ticks - pcb->tmr) >= inactivity) {
+      inactivity = tcp_ticks - pcb->tmr;
+      inactive = pcb;
+      mprio = pcb->prio;
+    }
+  }
+  if (inactive != NULL) {
+    LWIP_DEBUGF(TCP_DEBUG, ("tcp_kill_prio: killing oldest PCB %p (%"S32_F")\n",
+           (void *)inactive, inactivity));
+    tcp_abort(inactive);
+  }
+}
+
+/**
+ * Kills the oldest connection that is in TIME_WAIT state.
+ * Called from tcp_alloc() if no more connections are available.
+ */
+static void
+tcp_kill_timewait(void)
+{
+  struct tcp_pcb *pcb, *inactive;
+  u32_t inactivity;
+
+  inactivity = 0;
+  inactive = NULL;
+  /* Go through the list of TIME_WAIT pcbs and get the oldest pcb. */
+  for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) {
+    if ((u32_t)(tcp_ticks - pcb->tmr) >= inactivity) {
+      inactivity = tcp_ticks - pcb->tmr;
+      inactive = pcb;
+    }
+  }
+  if (inactive != NULL) {
+    LWIP_DEBUGF(TCP_DEBUG, ("tcp_kill_timewait: killing oldest TIME-WAIT PCB %p (%"S32_F")\n",
+           (void *)inactive, inactivity));
+    tcp_abort(inactive);
+  }
+}
+
+/**
+ * Allocate a new tcp_pcb structure.
+ *
+ * @param prio priority for the new pcb
+ * @return a new tcp_pcb that initially is in state CLOSED
+ */
+struct tcp_pcb *
+tcp_alloc(u8_t prio)
+{
+  struct tcp_pcb *pcb;
+  u32_t iss;
+  
+  pcb = (struct tcp_pcb *)memp_malloc(MEMP_TCP_PCB);
+  if (pcb == NULL) {
+    /* Try killing oldest connection in TIME-WAIT. */
+    LWIP_DEBUGF(TCP_DEBUG, ("tcp_alloc: killing off oldest TIME-WAIT connection\n"));
+    tcp_kill_timewait();
+    /* Try to allocate a tcp_pcb again. */
+    pcb = (struct tcp_pcb *)memp_malloc(MEMP_TCP_PCB);
+    if (pcb == NULL) {
+      /* Try killing active connections with lower priority than the new one. */
+      LWIP_DEBUGF(TCP_DEBUG, ("tcp_alloc: killing connection with prio lower than %d\n", prio));
+      tcp_kill_prio(prio);
+      /* Try to allocate a tcp_pcb again. */
+      pcb = (struct tcp_pcb *)memp_malloc(MEMP_TCP_PCB);
+      if (pcb != NULL) {
+        /* adjust err stats: memp_malloc failed twice before */
+        MEMP_STATS_DEC(err, MEMP_TCP_PCB);
+      }
+    }
+    if (pcb != NULL) {
+      /* adjust err stats: timewait PCB was freed above */
+      MEMP_STATS_DEC(err, MEMP_TCP_PCB);
+    }
+  }
+  if (pcb != NULL) {
+    memset(pcb, 0, sizeof(struct tcp_pcb));
+    pcb->prio = prio;
+    pcb->snd_buf = TCP_SND_BUF;
+    pcb->snd_queuelen = 0;
+    pcb->rcv_wnd = TCP_WND;
+    pcb->rcv_ann_wnd = TCP_WND;
+    pcb->tos = 0;
+    pcb->ttl = TCP_TTL;
+    /* As initial send MSS, we use TCP_MSS but limit it to 536.
+       The send MSS is updated when an MSS option is received. */
+    pcb->mss = (TCP_MSS > 536) ? 536 : TCP_MSS;
+    pcb->rto = 3000 / TCP_SLOW_INTERVAL;
+    pcb->sa = 0;
+    pcb->sv = 3000 / TCP_SLOW_INTERVAL;
+    pcb->rtime = -1;
+    pcb->cwnd = 1;
+    iss = tcp_next_iss();
+    pcb->snd_wl2 = iss;
+    pcb->snd_nxt = iss;
+    pcb->lastack = iss;
+    pcb->snd_lbb = iss;   
+    pcb->tmr = tcp_ticks;
+
+    pcb->polltmr = 0;
+
+#if LWIP_CALLBACK_API
+    pcb->recv = tcp_recv_null;
+#endif /* LWIP_CALLBACK_API */  
+    
+    /* Init KEEPALIVE timer */
+    pcb->keep_idle  = TCP_KEEPIDLE_DEFAULT;
+    
+#if LWIP_TCP_KEEPALIVE
+    pcb->keep_intvl = TCP_KEEPINTVL_DEFAULT;
+    pcb->keep_cnt   = TCP_KEEPCNT_DEFAULT;
+#endif /* LWIP_TCP_KEEPALIVE */
+
+    pcb->keep_cnt_sent = 0;
+  }
+  return pcb;
+}
+
+/**
+ * Creates a new TCP protocol control block but doesn't place it on
+ * any of the TCP PCB lists.
+ * The pcb is not put on any list until binding using tcp_bind().
+ *
+ * @internal: Maybe there should be a idle TCP PCB list where these
+ * PCBs are put on. Port reservation using tcp_bind() is implemented but
+ * allocated pcbs that are not bound can't be killed automatically if wanting
+ * to allocate a pcb with higher prio (@see tcp_kill_prio())
+ *
+ * @return a new tcp_pcb that initially is in state CLOSED
+ */
+struct tcp_pcb *
+tcp_new(void)
+{
+  return tcp_alloc(TCP_PRIO_NORMAL);
+}
+
+/**
+ * Used to specify the argument that should be passed callback
+ * functions.
+ *
+ * @param pcb tcp_pcb to set the callback argument
+ * @param arg void pointer argument to pass to callback functions
+ */ 
+void
+tcp_arg(struct tcp_pcb *pcb, void *arg)
+{  
+  pcb->callback_arg = arg;
+}
+#if LWIP_CALLBACK_API
+
+/**
+ * Used to specify the function that should be called when a TCP
+ * connection receives data.
+ *
+ * @param pcb tcp_pcb to set the recv callback
+ * @param recv callback function to call for this pcb when data is received
+ */ 
+void
+tcp_recv(struct tcp_pcb *pcb, tcp_recv_fn recv)
+{
+  pcb->recv = recv;
+}
+
+/**
+ * Used to specify the function that should be called when TCP data
+ * has been successfully delivered to the remote host.
+ *
+ * @param pcb tcp_pcb to set the sent callback
+ * @param sent callback function to call for this pcb when data is successfully sent
+ */ 
+void
+tcp_sent(struct tcp_pcb *pcb, tcp_sent_fn sent)
+{
+  pcb->sent = sent;
+}
+
+/**
+ * Used to specify the function that should be called when a fatal error
+ * has occured on the connection.
+ *
+ * @param pcb tcp_pcb to set the err callback
+ * @param err callback function to call for this pcb when a fatal error
+ *        has occured on the connection
+ */ 
+void
+tcp_err(struct tcp_pcb *pcb, tcp_err_fn err)
+{
+  pcb->errf = err;
+}
+
+/**
+ * Used for specifying the function that should be called when a
+ * LISTENing connection has been connected to another host.
+ *
+ * @param pcb tcp_pcb to set the accept callback
+ * @param accept callback function to call for this pcb when LISTENing
+ *        connection has been connected to another host
+ */ 
+void
+tcp_accept(struct tcp_pcb *pcb, tcp_accept_fn accept)
+{
+  pcb->accept = accept;
+}
+#endif /* LWIP_CALLBACK_API */
+
+
+/**
+ * Used to specify the function that should be called periodically
+ * from TCP. The interval is specified in terms of the TCP coarse
+ * timer interval, which is called twice a second.
+ *
+ */ 
+void
+tcp_poll(struct tcp_pcb *pcb, tcp_poll_fn poll, u8_t interval)
+{
+#if LWIP_CALLBACK_API
+  pcb->poll = poll;
+#else /* LWIP_CALLBACK_API */  
+  LWIP_UNUSED_ARG(poll);
+#endif /* LWIP_CALLBACK_API */  
+  pcb->pollinterval = interval;
+}
+
+/**
+ * Purges a TCP PCB. Removes any buffered data and frees the buffer memory
+ * (pcb->ooseq, pcb->unsent and pcb->unacked are freed).
+ *
+ * @param pcb tcp_pcb to purge. The pcb itself is not deallocated!
+ */
+void
+tcp_pcb_purge(struct tcp_pcb *pcb)
+{
+  if (pcb->state != CLOSED &&
+     pcb->state != TIME_WAIT &&
+     pcb->state != LISTEN) {
+
+    LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge\n"));
+
+#if TCP_LISTEN_BACKLOG
+    if (pcb->state == SYN_RCVD) {
+      /* Need to find the corresponding listen_pcb and decrease its accepts_pending */
+      struct tcp_pcb_listen *lpcb;
+      LWIP_ASSERT("tcp_pcb_purge: pcb->state == SYN_RCVD but tcp_listen_pcbs is NULL",
+        tcp_listen_pcbs.listen_pcbs != NULL);
+      for (lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) {
+        if ((lpcb->local_port == pcb->local_port) &&
+            (ip_addr_isany(&lpcb->local_ip) ||
+             ip_addr_cmp(&pcb->local_ip, &lpcb->local_ip))) {
+            /* port and address of the listen pcb match the timed-out pcb */
+            LWIP_ASSERT("tcp_pcb_purge: listen pcb does not have accepts pending",
+              lpcb->accepts_pending > 0);
+            lpcb->accepts_pending--;
+            break;
+          }
+      }
+    }
+#endif /* TCP_LISTEN_BACKLOG */
+
+
+    if (pcb->refused_data != NULL) {
+      LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge: data left on ->refused_data\n"));
+      pbuf_free(pcb->refused_data);
+      pcb->refused_data = NULL;
+    }
+    if (pcb->unsent != NULL) {
+      LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge: not all data sent\n"));
+    }
+    if (pcb->unacked != NULL) {
+      LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge: data left on ->unacked\n"));
+    }
+#if TCP_QUEUE_OOSEQ
+    if (pcb->ooseq != NULL) {
+      LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge: data left on ->ooseq\n"));
+    }
+    tcp_segs_free(pcb->ooseq);
+    pcb->ooseq = NULL;
+#endif /* TCP_QUEUE_OOSEQ */
+
+    /* Stop the retransmission timer as it will expect data on unacked
+       queue if it fires */
+    pcb->rtime = -1;
+
+    tcp_segs_free(pcb->unsent);
+    tcp_segs_free(pcb->unacked);
+    pcb->unacked = pcb->unsent = NULL;
+#if TCP_OVERSIZE
+    pcb->unsent_oversize = 0;
+#endif /* TCP_OVERSIZE */
+  }
+}
+
+/**
+ * Purges the PCB and removes it from a PCB list. Any delayed ACKs are sent first.
+ *
+ * @param pcblist PCB list to purge.
+ * @param pcb tcp_pcb to purge. The pcb itself is NOT deallocated!
+ */
+void
+tcp_pcb_remove(struct tcp_pcb **pcblist, struct tcp_pcb *pcb)
+{
+  TCP_RMV(pcblist, pcb);
+
+  tcp_pcb_purge(pcb);
+  
+  /* if there is an outstanding delayed ACKs, send it */
+  if (pcb->state != TIME_WAIT &&
+     pcb->state != LISTEN &&
+     pcb->flags & TF_ACK_DELAY) {
+    pcb->flags |= TF_ACK_NOW;
+    tcp_output(pcb);
+  }
+
+  if (pcb->state != LISTEN) {
+    LWIP_ASSERT("unsent segments leaking", pcb->unsent == NULL);
+    LWIP_ASSERT("unacked segments leaking", pcb->unacked == NULL);
+#if TCP_QUEUE_OOSEQ
+    LWIP_ASSERT("ooseq segments leaking", pcb->ooseq == NULL);
+#endif /* TCP_QUEUE_OOSEQ */
+  }
+
+  pcb->state = CLOSED;
+
+  LWIP_ASSERT("tcp_pcb_remove: tcp_pcbs_sane()", tcp_pcbs_sane());
+}
+
+/**
+ * Calculates a new initial sequence number for new connections.
+ *
+ * @return u32_t pseudo random sequence number
+ */
+u32_t
+tcp_next_iss(void)
+{
+  static u32_t iss = 6510;
+  
+  iss += tcp_ticks;       /* XXX */
+  return iss;
+}
+
+#if TCP_CALCULATE_EFF_SEND_MSS
+/**
+ * Calcluates the effective send mss that can be used for a specific IP address
+ * by using ip_route to determin the netif used to send to the address and
+ * calculating the minimum of TCP_MSS and that netif's mtu (if set).
+ */
+u16_t
+tcp_eff_send_mss(u16_t sendmss, ip_addr_t *addr)
+{
+  u16_t mss_s;
+  struct netif *outif;
+
+  outif = ip_route(addr);
+  if ((outif != NULL) && (outif->mtu != 0)) {
+    mss_s = outif->mtu - IP_HLEN - TCP_HLEN;
+    /* RFC 1122, chap 4.2.2.6:
+     * Eff.snd.MSS = min(SendMSS+20, MMS_S) - TCPhdrsize - IPoptionsize
+     * We correct for TCP options in tcp_write(), and don't support IP options.
+     */
+    sendmss = LWIP_MIN(sendmss, mss_s);
+  }
+  return sendmss;
+}
+#endif /* TCP_CALCULATE_EFF_SEND_MSS */
+
+const char*
+tcp_debug_state_str(enum tcp_state s)
+{
+  return tcp_state_str[s];
+}
+
+#if TCP_DEBUG || TCP_INPUT_DEBUG || TCP_OUTPUT_DEBUG
+/**
+ * Print a tcp header for debugging purposes.
+ *
+ * @param tcphdr pointer to a struct tcp_hdr
+ */
+void
+tcp_debug_print(struct tcp_hdr *tcphdr)
+{
+  LWIP_DEBUGF(TCP_DEBUG, ("TCP header:\n"));
+  LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n"));
+  LWIP_DEBUGF(TCP_DEBUG, ("|    %5"U16_F"      |    %5"U16_F"      | (src port, dest port)\n",
+         ntohs(tcphdr->src), ntohs(tcphdr->dest)));
+  LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n"));
+  LWIP_DEBUGF(TCP_DEBUG, ("|           %010"U32_F"          | (seq no)\n",
+          ntohl(tcphdr->seqno)));
+  LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n"));
+  LWIP_DEBUGF(TCP_DEBUG, ("|           %010"U32_F"          | (ack no)\n",
+         ntohl(tcphdr->ackno)));
+  LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n"));
+  LWIP_DEBUGF(TCP_DEBUG, ("| %2"U16_F" |   |%"U16_F"%"U16_F"%"U16_F"%"U16_F"%"U16_F"%"U16_F"|     %5"U16_F"     | (hdrlen, flags (",
+       TCPH_HDRLEN(tcphdr),
+         TCPH_FLAGS(tcphdr) >> 5 & 1,
+         TCPH_FLAGS(tcphdr) >> 4 & 1,
+         TCPH_FLAGS(tcphdr) >> 3 & 1,
+         TCPH_FLAGS(tcphdr) >> 2 & 1,
+         TCPH_FLAGS(tcphdr) >> 1 & 1,
+         TCPH_FLAGS(tcphdr) & 1,
+         ntohs(tcphdr->wnd)));
+  tcp_debug_print_flags(TCPH_FLAGS(tcphdr));
+  LWIP_DEBUGF(TCP_DEBUG, ("), win)\n"));
+  LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n"));
+  LWIP_DEBUGF(TCP_DEBUG, ("|    0x%04"X16_F"     |     %5"U16_F"     | (chksum, urgp)\n",
+         ntohs(tcphdr->chksum), ntohs(tcphdr->urgp)));
+  LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n"));
+}
+
+/**
+ * Print a tcp state for debugging purposes.
+ *
+ * @param s enum tcp_state to print
+ */
+void
+tcp_debug_print_state(enum tcp_state s)
+{
+  LWIP_DEBUGF(TCP_DEBUG, ("State: %s\n", tcp_state_str[s]));
+}
+
+/**
+ * Print tcp flags for debugging purposes.
+ *
+ * @param flags tcp flags, all active flags are printed
+ */
+void
+tcp_debug_print_flags(u8_t flags)
+{
+  if (flags & TCP_FIN) {
+    LWIP_DEBUGF(TCP_DEBUG, ("FIN "));
+  }
+  if (flags & TCP_SYN) {
+    LWIP_DEBUGF(TCP_DEBUG, ("SYN "));
+  }
+  if (flags & TCP_RST) {
+    LWIP_DEBUGF(TCP_DEBUG, ("RST "));
+  }
+  if (flags & TCP_PSH) {
+    LWIP_DEBUGF(TCP_DEBUG, ("PSH "));
+  }
+  if (flags & TCP_ACK) {
+    LWIP_DEBUGF(TCP_DEBUG, ("ACK "));
+  }
+  if (flags & TCP_URG) {
+    LWIP_DEBUGF(TCP_DEBUG, ("URG "));
+  }
+  if (flags & TCP_ECE) {
+    LWIP_DEBUGF(TCP_DEBUG, ("ECE "));
+  }
+  if (flags & TCP_CWR) {
+    LWIP_DEBUGF(TCP_DEBUG, ("CWR "));
+  }
+  LWIP_DEBUGF(TCP_DEBUG, ("\n"));
+}
+
+/**
+ * Print all tcp_pcbs in every list for debugging purposes.
+ */
+void
+tcp_debug_print_pcbs(void)
+{
+  struct tcp_pcb *pcb;
+  LWIP_DEBUGF(TCP_DEBUG, ("Active PCB states:\n"));
+  for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) {
+    LWIP_DEBUGF(TCP_DEBUG, ("Local port %"U16_F", foreign port %"U16_F" snd_nxt %"U32_F" rcv_nxt %"U32_F" ",
+                       pcb->local_port, pcb->remote_port,
+                       pcb->snd_nxt, pcb->rcv_nxt));
+    tcp_debug_print_state(pcb->state);
+  }    
+  LWIP_DEBUGF(TCP_DEBUG, ("Listen PCB states:\n"));
+  for(pcb = (struct tcp_pcb *)tcp_listen_pcbs.pcbs; pcb != NULL; pcb = pcb->next) {
+    LWIP_DEBUGF(TCP_DEBUG, ("Local port %"U16_F", foreign port %"U16_F" snd_nxt %"U32_F" rcv_nxt %"U32_F" ",
+                       pcb->local_port, pcb->remote_port,
+                       pcb->snd_nxt, pcb->rcv_nxt));
+    tcp_debug_print_state(pcb->state);
+  }    
+  LWIP_DEBUGF(TCP_DEBUG, ("TIME-WAIT PCB states:\n"));
+  for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) {
+    LWIP_DEBUGF(TCP_DEBUG, ("Local port %"U16_F", foreign port %"U16_F" snd_nxt %"U32_F" rcv_nxt %"U32_F" ",
+                       pcb->local_port, pcb->remote_port,
+                       pcb->snd_nxt, pcb->rcv_nxt));
+    tcp_debug_print_state(pcb->state);
+  }    
+}
+
+/**
+ * Check state consistency of the tcp_pcb lists.
+ */
+s16_t
+tcp_pcbs_sane(void)
+{
+  struct tcp_pcb *pcb;
+  for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) {
+    LWIP_ASSERT("tcp_pcbs_sane: active pcb->state != CLOSED", pcb->state != CLOSED);
+    LWIP_ASSERT("tcp_pcbs_sane: active pcb->state != LISTEN", pcb->state != LISTEN);
+    LWIP_ASSERT("tcp_pcbs_sane: active pcb->state != TIME-WAIT", pcb->state != TIME_WAIT);
+  }
+  for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) {
+    LWIP_ASSERT("tcp_pcbs_sane: tw pcb->state == TIME-WAIT", pcb->state == TIME_WAIT);
+  }
+  return 1;
+}
+#endif /* TCP_DEBUG */
+
+#endif /* LWIP_TCP */
diff --git a/libraries/net/lwip/lwip/core/tcp_in.c b/libraries/net/lwip/lwip/core/tcp_in.c
new file mode 100644
index 0000000000..90952648d7
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/tcp_in.c
@@ -0,0 +1,1567 @@
+/**
+ * @file
+ * Transmission Control Protocol, incoming traffic
+ *
+ * The input processing functions of the TCP layer.
+ *
+ * These functions are generally called in the order (ip_input() ->)
+ * tcp_input() -> * tcp_process() -> tcp_receive() (-> application).
+ * 
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/tcp_impl.h"
+#include "lwip/def.h"
+#include "lwip/ip_addr.h"
+#include "lwip/netif.h"
+#include "lwip/mem.h"
+#include "lwip/memp.h"
+#include "lwip/inet_chksum.h"
+#include "lwip/stats.h"
+#include "lwip/snmp.h"
+#include "arch/perf.h"
+
+/* These variables are global to all functions involved in the input
+   processing of TCP segments. They are set by the tcp_input()
+   function. */
+static struct tcp_seg inseg;
+static struct tcp_hdr *tcphdr;
+static struct ip_hdr *iphdr;
+static u32_t seqno, ackno;
+static u8_t flags;
+static u16_t tcplen;
+
+static u8_t recv_flags;
+static struct pbuf *recv_data;
+
+struct tcp_pcb *tcp_input_pcb;
+
+/* Forward declarations. */
+static err_t tcp_process(struct tcp_pcb *pcb);
+static void tcp_receive(struct tcp_pcb *pcb);
+static void tcp_parseopt(struct tcp_pcb *pcb);
+
+static err_t tcp_listen_input(struct tcp_pcb_listen *pcb);
+static err_t tcp_timewait_input(struct tcp_pcb *pcb);
+
+/**
+ * The initial input processing of TCP. It verifies the TCP header, demultiplexes
+ * the segment between the PCBs and passes it on to tcp_process(), which implements
+ * the TCP finite state machine. This function is called by the IP layer (in
+ * ip_input()).
+ *
+ * @param p received TCP segment to process (p->payload pointing to the IP header)
+ * @param inp network interface on which this segment was received
+ */
+void
+tcp_input(struct pbuf *p, struct netif *inp)
+{
+  struct tcp_pcb *pcb, *prev;
+  struct tcp_pcb_listen *lpcb;
+#if SO_REUSE
+  struct tcp_pcb *lpcb_prev = NULL;
+  struct tcp_pcb_listen *lpcb_any = NULL;
+#endif /* SO_REUSE */
+  u8_t hdrlen;
+  err_t err;
+
+  PERF_START;
+
+  TCP_STATS_INC(tcp.recv);
+  snmp_inc_tcpinsegs();
+
+  iphdr = (struct ip_hdr *)p->payload;
+  tcphdr = (struct tcp_hdr *)((u8_t *)p->payload + IPH_HL(iphdr) * 4);
+
+#if TCP_INPUT_DEBUG
+  tcp_debug_print(tcphdr);
+#endif
+
+  /* remove header from payload */
+  if (pbuf_header(p, -((s16_t)(IPH_HL(iphdr) * 4))) || (p->tot_len < sizeof(struct tcp_hdr))) {
+    /* drop short packets */
+    LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: short packet (%"U16_F" bytes) discarded\n", p->tot_len));
+    TCP_STATS_INC(tcp.lenerr);
+    TCP_STATS_INC(tcp.drop);
+    snmp_inc_tcpinerrs();
+    pbuf_free(p);
+    return;
+  }
+
+  /* Don't even process incoming broadcasts/multicasts. */
+  if (ip_addr_isbroadcast(¤t_iphdr_dest, inp) ||
+      ip_addr_ismulticast(¤t_iphdr_dest)) {
+    TCP_STATS_INC(tcp.proterr);
+    TCP_STATS_INC(tcp.drop);
+    snmp_inc_tcpinerrs();
+    pbuf_free(p);
+    return;
+  }
+
+#if CHECKSUM_CHECK_TCP
+  /* Verify TCP checksum. */
+  if (inet_chksum_pseudo(p, ip_current_src_addr(), ip_current_dest_addr(),
+      IP_PROTO_TCP, p->tot_len) != 0) {
+      LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: packet discarded due to failing checksum 0x%04"X16_F"\n",
+        inet_chksum_pseudo(p, ip_current_src_addr(), ip_current_dest_addr(),
+      IP_PROTO_TCP, p->tot_len)));
+#if TCP_DEBUG
+    tcp_debug_print(tcphdr);
+#endif /* TCP_DEBUG */
+    TCP_STATS_INC(tcp.chkerr);
+    TCP_STATS_INC(tcp.drop);
+    snmp_inc_tcpinerrs();
+    pbuf_free(p);
+    return;
+  }
+#endif
+
+  /* Move the payload pointer in the pbuf so that it points to the
+     TCP data instead of the TCP header. */
+  hdrlen = TCPH_HDRLEN(tcphdr);
+  if(pbuf_header(p, -(hdrlen * 4))){
+    /* drop short packets */
+    LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: short packet\n"));
+    TCP_STATS_INC(tcp.lenerr);
+    TCP_STATS_INC(tcp.drop);
+    snmp_inc_tcpinerrs();
+    pbuf_free(p);
+    return;
+  }
+
+  /* Convert fields in TCP header to host byte order. */
+  tcphdr->src = ntohs(tcphdr->src);
+  tcphdr->dest = ntohs(tcphdr->dest);
+  seqno = tcphdr->seqno = ntohl(tcphdr->seqno);
+  ackno = tcphdr->ackno = ntohl(tcphdr->ackno);
+  tcphdr->wnd = ntohs(tcphdr->wnd);
+
+  flags = TCPH_FLAGS(tcphdr);
+  tcplen = p->tot_len + ((flags & (TCP_FIN | TCP_SYN)) ? 1 : 0);
+
+  /* Demultiplex an incoming segment. First, we check if it is destined
+     for an active connection. */
+  prev = NULL;
+
+  
+  for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) {
+    LWIP_ASSERT("tcp_input: active pcb->state != CLOSED", pcb->state != CLOSED);
+    LWIP_ASSERT("tcp_input: active pcb->state != TIME-WAIT", pcb->state != TIME_WAIT);
+    LWIP_ASSERT("tcp_input: active pcb->state != LISTEN", pcb->state != LISTEN);
+    if (pcb->remote_port == tcphdr->src &&
+       pcb->local_port == tcphdr->dest &&
+       ip_addr_cmp(&(pcb->remote_ip), ¤t_iphdr_src) &&
+       ip_addr_cmp(&(pcb->local_ip), ¤t_iphdr_dest)) {
+
+      /* Move this PCB to the front of the list so that subsequent
+         lookups will be faster (we exploit locality in TCP segment
+         arrivals). */
+      LWIP_ASSERT("tcp_input: pcb->next != pcb (before cache)", pcb->next != pcb);
+      if (prev != NULL) {
+        prev->next = pcb->next;
+        pcb->next = tcp_active_pcbs;
+        tcp_active_pcbs = pcb;
+      }
+      LWIP_ASSERT("tcp_input: pcb->next != pcb (after cache)", pcb->next != pcb);
+      break;
+    }
+    prev = pcb;
+  }
+
+  if (pcb == NULL) {
+    /* If it did not go to an active connection, we check the connections
+       in the TIME-WAIT state. */
+    for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) {
+      LWIP_ASSERT("tcp_input: TIME-WAIT pcb->state == TIME-WAIT", pcb->state == TIME_WAIT);
+      if (pcb->remote_port == tcphdr->src &&
+         pcb->local_port == tcphdr->dest &&
+         ip_addr_cmp(&(pcb->remote_ip), ¤t_iphdr_src) &&
+         ip_addr_cmp(&(pcb->local_ip), ¤t_iphdr_dest)) {
+        /* We don't really care enough to move this PCB to the front
+           of the list since we are not very likely to receive that
+           many segments for connections in TIME-WAIT. */
+        LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: packed for TIME_WAITing connection.\n"));
+        tcp_timewait_input(pcb);
+        pbuf_free(p);
+        return;
+      }
+    }
+
+    /* Finally, if we still did not get a match, we check all PCBs that
+       are LISTENing for incoming connections. */
+    prev = NULL;
+    for(lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) {
+      if (lpcb->local_port == tcphdr->dest) {
+#if SO_REUSE
+        if (ip_addr_cmp(&(lpcb->local_ip), ¤t_iphdr_dest)) {
+          /* found an exact match */
+          break;
+        } else if(ip_addr_isany(&(lpcb->local_ip))) {
+          /* found an ANY-match */
+          lpcb_any = lpcb;
+          lpcb_prev = prev;
+        }
+#else /* SO_REUSE */
+        if (ip_addr_cmp(&(lpcb->local_ip), ¤t_iphdr_dest) ||
+            ip_addr_isany(&(lpcb->local_ip))) {
+          /* found a match */
+          break;
+        }
+#endif /* SO_REUSE */
+      }
+      prev = (struct tcp_pcb *)lpcb;
+    }
+#if SO_REUSE
+    /* first try specific local IP */
+    if (lpcb == NULL) {
+      /* only pass to ANY if no specific local IP has been found */
+      lpcb = lpcb_any;
+      prev = lpcb_prev;
+    }
+#endif /* SO_REUSE */
+    if (lpcb != NULL) {
+      /* Move this PCB to the front of the list so that subsequent
+         lookups will be faster (we exploit locality in TCP segment
+         arrivals). */
+      if (prev != NULL) {
+        ((struct tcp_pcb_listen *)prev)->next = lpcb->next;
+              /* our successor is the remainder of the listening list */
+        lpcb->next = tcp_listen_pcbs.listen_pcbs;
+              /* put this listening pcb at the head of the listening list */
+        tcp_listen_pcbs.listen_pcbs = lpcb;
+      }
+    
+      LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: packed for LISTENing connection.\n"));
+      tcp_listen_input(lpcb);
+      pbuf_free(p);
+      return;
+    }
+  }
+
+#if TCP_INPUT_DEBUG
+  LWIP_DEBUGF(TCP_INPUT_DEBUG, ("+-+-+-+-+-+-+-+-+-+-+-+-+-+- tcp_input: flags "));
+  tcp_debug_print_flags(TCPH_FLAGS(tcphdr));
+  LWIP_DEBUGF(TCP_INPUT_DEBUG, ("-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n"));
+#endif /* TCP_INPUT_DEBUG */
+
+
+  if (pcb != NULL) {
+    /* The incoming segment belongs to a connection. */
+#if TCP_INPUT_DEBUG
+#if TCP_DEBUG
+    tcp_debug_print_state(pcb->state);
+#endif /* TCP_DEBUG */
+#endif /* TCP_INPUT_DEBUG */
+
+    /* Set up a tcp_seg structure. */
+    inseg.next = NULL;
+    inseg.len = p->tot_len;
+    inseg.p = p;
+    inseg.tcphdr = tcphdr;
+
+    recv_data = NULL;
+    recv_flags = 0;
+
+    /* If there is data which was previously "refused" by upper layer */
+    if (pcb->refused_data != NULL) {
+      /* Notify again application with data previously received. */
+      LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: notify kept packet\n"));
+      TCP_EVENT_RECV(pcb, pcb->refused_data, ERR_OK, err);
+      if (err == ERR_OK) {
+        pcb->refused_data = NULL;
+      } else if ((err == ERR_ABRT) || (tcplen > 0)) {
+        /* if err == ERR_ABRT, 'pcb' is already deallocated */
+        /* Drop incoming packets because pcb is "full" (only if the incoming
+           segment contains data). */
+        LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: drop incoming packets, because pcb is \"full\"\n"));
+        TCP_STATS_INC(tcp.drop);
+        snmp_inc_tcpinerrs();
+        pbuf_free(p);
+        return;
+      }
+    }
+    tcp_input_pcb = pcb;
+    err = tcp_process(pcb);
+    /* A return value of ERR_ABRT means that tcp_abort() was called
+       and that the pcb has been freed. If so, we don't do anything. */
+    if (err != ERR_ABRT) {
+      if (recv_flags & TF_RESET) {
+        /* TF_RESET means that the connection was reset by the other
+           end. We then call the error callback to inform the
+           application that the connection is dead before we
+           deallocate the PCB. */
+        TCP_EVENT_ERR(pcb->errf, pcb->callback_arg, ERR_RST);
+        tcp_pcb_remove(&tcp_active_pcbs, pcb);
+        memp_free(MEMP_TCP_PCB, pcb);
+      } else if (recv_flags & TF_CLOSED) {
+        /* The connection has been closed and we will deallocate the
+           PCB. */
+        tcp_pcb_remove(&tcp_active_pcbs, pcb);
+        memp_free(MEMP_TCP_PCB, pcb);
+      } else {
+        err = ERR_OK;
+        /* If the application has registered a "sent" function to be
+           called when new send buffer space is available, we call it
+           now. */
+        if (pcb->acked > 0) {
+          TCP_EVENT_SENT(pcb, pcb->acked, err);
+          if (err == ERR_ABRT) {
+            goto aborted;
+          }
+        }
+
+        if (recv_data != NULL) {
+          LWIP_ASSERT("pcb->refused_data == NULL", pcb->refused_data == NULL);
+          if (pcb->flags & TF_RXCLOSED) {
+            /* received data although already closed -> abort (send RST) to
+               notify the remote host that not all data has been processed */
+            pbuf_free(recv_data);
+            tcp_abort(pcb);
+            goto aborted;
+          }
+          if (flags & TCP_PSH) {
+            recv_data->flags |= PBUF_FLAG_PUSH;
+          }
+
+          /* Notify application that data has been received. */
+          TCP_EVENT_RECV(pcb, recv_data, ERR_OK, err);
+          if (err == ERR_ABRT) {
+            goto aborted;
+          }
+
+          /* If the upper layer can't receive this data, store it */
+          if (err != ERR_OK) {
+            pcb->refused_data = recv_data;
+            LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: keep incoming packet, because pcb is \"full\"\n"));
+          }
+        }
+
+        /* If a FIN segment was received, we call the callback
+           function with a NULL buffer to indicate EOF. */
+        if (recv_flags & TF_GOT_FIN) {
+          /* correct rcv_wnd as the application won't call tcp_recved()
+             for the FIN's seqno */
+          if (pcb->rcv_wnd != TCP_WND) {
+            pcb->rcv_wnd++;
+          }
+          TCP_EVENT_CLOSED(pcb, err);
+          if (err == ERR_ABRT) {
+            goto aborted;
+          }
+        }
+
+        tcp_input_pcb = NULL;
+        /* Try to send something out. */
+        tcp_output(pcb);
+#if TCP_INPUT_DEBUG
+#if TCP_DEBUG
+        tcp_debug_print_state(pcb->state);
+#endif /* TCP_DEBUG */
+#endif /* TCP_INPUT_DEBUG */
+      }
+    }
+    /* Jump target if pcb has been aborted in a callback (by calling tcp_abort()).
+       Below this line, 'pcb' may not be dereferenced! */
+aborted:
+    tcp_input_pcb = NULL;
+    recv_data = NULL;
+
+    /* give up our reference to inseg.p */
+    if (inseg.p != NULL)
+    {
+      pbuf_free(inseg.p);
+      inseg.p = NULL;
+    }
+  } else {
+
+    /* If no matching PCB was found, send a TCP RST (reset) to the
+       sender. */
+    LWIP_DEBUGF(TCP_RST_DEBUG, ("tcp_input: no PCB match found, resetting.\n"));
+    if (!(TCPH_FLAGS(tcphdr) & TCP_RST)) {
+      TCP_STATS_INC(tcp.proterr);
+      TCP_STATS_INC(tcp.drop);
+      tcp_rst(ackno, seqno + tcplen,
+        ip_current_dest_addr(), ip_current_src_addr(),
+        tcphdr->dest, tcphdr->src);
+    }
+    pbuf_free(p);
+  }
+
+  LWIP_ASSERT("tcp_input: tcp_pcbs_sane()", tcp_pcbs_sane());
+  PERF_STOP("tcp_input");
+}
+
+/**
+ * Called by tcp_input() when a segment arrives for a listening
+ * connection (from tcp_input()).
+ *
+ * @param pcb the tcp_pcb_listen for which a segment arrived
+ * @return ERR_OK if the segment was processed
+ *         another err_t on error
+ *
+ * @note the return value is not (yet?) used in tcp_input()
+ * @note the segment which arrived is saved in global variables, therefore only the pcb
+ *       involved is passed as a parameter to this function
+ */
+static err_t
+tcp_listen_input(struct tcp_pcb_listen *pcb)
+{
+  struct tcp_pcb *npcb;
+  err_t rc;
+
+  /* In the LISTEN state, we check for incoming SYN segments,
+     creates a new PCB, and responds with a SYN|ACK. */
+  if (flags & TCP_ACK) {
+    /* For incoming segments with the ACK flag set, respond with a
+       RST. */
+    LWIP_DEBUGF(TCP_RST_DEBUG, ("tcp_listen_input: ACK in LISTEN, sending reset\n"));
+    tcp_rst(ackno + 1, seqno + tcplen,
+      ip_current_dest_addr(), ip_current_src_addr(),
+      tcphdr->dest, tcphdr->src);
+  } else if (flags & TCP_SYN) {
+    LWIP_DEBUGF(TCP_DEBUG, ("TCP connection request %"U16_F" -> %"U16_F".\n", tcphdr->src, tcphdr->dest));
+#if TCP_LISTEN_BACKLOG
+    if (pcb->accepts_pending >= pcb->backlog) {
+      LWIP_DEBUGF(TCP_DEBUG, ("tcp_listen_input: listen backlog exceeded for port %"U16_F"\n", tcphdr->dest));
+      return ERR_ABRT;
+    }
+#endif /* TCP_LISTEN_BACKLOG */
+    npcb = tcp_alloc(pcb->prio);
+    /* If a new PCB could not be created (probably due to lack of memory),
+       we don't do anything, but rely on the sender will retransmit the
+       SYN at a time when we have more memory available. */
+    if (npcb == NULL) {
+      LWIP_DEBUGF(TCP_DEBUG, ("tcp_listen_input: could not allocate PCB\n"));
+      TCP_STATS_INC(tcp.memerr);
+      return ERR_MEM;
+    }
+#if TCP_LISTEN_BACKLOG
+    pcb->accepts_pending++;
+#endif /* TCP_LISTEN_BACKLOG */
+    /* Set up the new PCB. */
+    ip_addr_copy(npcb->local_ip, current_iphdr_dest);
+    npcb->local_port = pcb->local_port;
+    ip_addr_copy(npcb->remote_ip, current_iphdr_src);
+    npcb->remote_port = tcphdr->src;
+    npcb->state = SYN_RCVD;
+    npcb->rcv_nxt = seqno + 1;
+    npcb->rcv_ann_right_edge = npcb->rcv_nxt;
+    npcb->snd_wnd = tcphdr->wnd;
+    npcb->ssthresh = npcb->snd_wnd;
+    npcb->snd_wl1 = seqno - 1;/* initialise to seqno-1 to force window update */
+    npcb->callback_arg = pcb->callback_arg;
+#if LWIP_CALLBACK_API
+    npcb->accept = pcb->accept;
+#endif /* LWIP_CALLBACK_API */
+    /* inherit socket options */
+    npcb->so_options = pcb->so_options & SOF_INHERITED;
+    /* Register the new PCB so that we can begin receiving segments
+       for it. */
+    TCP_REG(&tcp_active_pcbs, npcb);
+
+    /* Parse any options in the SYN. */
+    tcp_parseopt(npcb);
+#if TCP_CALCULATE_EFF_SEND_MSS
+    npcb->mss = tcp_eff_send_mss(npcb->mss, &(npcb->remote_ip));
+#endif /* TCP_CALCULATE_EFF_SEND_MSS */
+
+    snmp_inc_tcppassiveopens();
+
+    /* Send a SYN|ACK together with the MSS option. */
+    rc = tcp_enqueue_flags(npcb, TCP_SYN | TCP_ACK);
+    if (rc != ERR_OK) {
+      tcp_abandon(npcb, 0);
+      return rc;
+    }
+    return tcp_output(npcb);
+  }
+  return ERR_OK;
+}
+
+/**
+ * Called by tcp_input() when a segment arrives for a connection in
+ * TIME_WAIT.
+ *
+ * @param pcb the tcp_pcb for which a segment arrived
+ *
+ * @note the segment which arrived is saved in global variables, therefore only the pcb
+ *       involved is passed as a parameter to this function
+ */
+static err_t
+tcp_timewait_input(struct tcp_pcb *pcb)
+{
+  /* RFC 1337: in TIME_WAIT, ignore RST and ACK FINs + any 'acceptable' segments */
+  /* RFC 793 3.9 Event Processing - Segment Arrives:
+   * - first check sequence number - we skip that one in TIME_WAIT (always
+   *   acceptable since we only send ACKs)
+   * - second check the RST bit (... return) */
+  if (flags & TCP_RST)  {
+    return ERR_OK;
+  }
+  /* - fourth, check the SYN bit, */
+  if (flags & TCP_SYN) {
+    /* If an incoming segment is not acceptable, an acknowledgment
+       should be sent in reply */
+    if (TCP_SEQ_BETWEEN(seqno, pcb->rcv_nxt, pcb->rcv_nxt+pcb->rcv_wnd)) {
+      /* If the SYN is in the window it is an error, send a reset */
+      tcp_rst(ackno, seqno + tcplen, ip_current_dest_addr(), ip_current_src_addr(),
+        tcphdr->dest, tcphdr->src);
+      return ERR_OK;
+    }
+  } else if (flags & TCP_FIN) {
+    /* - eighth, check the FIN bit: Remain in the TIME-WAIT state.
+         Restart the 2 MSL time-wait timeout.*/
+    pcb->tmr = tcp_ticks;
+  }
+
+  if ((tcplen > 0))  {
+    /* Acknowledge data, FIN or out-of-window SYN */
+    pcb->flags |= TF_ACK_NOW;
+    return tcp_output(pcb);
+  }
+  return ERR_OK;
+}
+
+/**
+ * Implements the TCP state machine. Called by tcp_input. In some
+ * states tcp_receive() is called to receive data. The tcp_seg
+ * argument will be freed by the caller (tcp_input()) unless the
+ * recv_data pointer in the pcb is set.
+ *
+ * @param pcb the tcp_pcb for which a segment arrived
+ *
+ * @note the segment which arrived is saved in global variables, therefore only the pcb
+ *       involved is passed as a parameter to this function
+ */
+static err_t
+tcp_process(struct tcp_pcb *pcb)
+{
+  struct tcp_seg *rseg;
+  u8_t acceptable = 0;
+  err_t err;
+
+  err = ERR_OK;
+
+  /* Process incoming RST segments. */
+  if (flags & TCP_RST) {
+    /* First, determine if the reset is acceptable. */
+    if (pcb->state == SYN_SENT) {
+      if (ackno == pcb->snd_nxt) {
+        acceptable = 1;
+      }
+    } else {
+      if (TCP_SEQ_BETWEEN(seqno, pcb->rcv_nxt, 
+                          pcb->rcv_nxt+pcb->rcv_wnd)) {
+        acceptable = 1;
+      }
+    }
+
+    if (acceptable) {
+      LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_process: Connection RESET\n"));
+      LWIP_ASSERT("tcp_input: pcb->state != CLOSED", pcb->state != CLOSED);
+      recv_flags |= TF_RESET;
+      pcb->flags &= ~TF_ACK_DELAY;
+      return ERR_RST;
+    } else {
+      LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_process: unacceptable reset seqno %"U32_F" rcv_nxt %"U32_F"\n",
+       seqno, pcb->rcv_nxt));
+      LWIP_DEBUGF(TCP_DEBUG, ("tcp_process: unacceptable reset seqno %"U32_F" rcv_nxt %"U32_F"\n",
+       seqno, pcb->rcv_nxt));
+      return ERR_OK;
+    }
+  }
+
+  if ((flags & TCP_SYN) && (pcb->state != SYN_SENT && pcb->state != SYN_RCVD)) { 
+    /* Cope with new connection attempt after remote end crashed */
+    tcp_ack_now(pcb);
+    return ERR_OK;
+  }
+  
+  if ((pcb->flags & TF_RXCLOSED) == 0) {
+    /* Update the PCB (in)activity timer unless rx is closed (see tcp_shutdown) */
+    pcb->tmr = tcp_ticks;
+  }
+  pcb->keep_cnt_sent = 0;
+
+  tcp_parseopt(pcb);
+
+  /* Do different things depending on the TCP state. */
+  switch (pcb->state) {
+  case SYN_SENT:
+    LWIP_DEBUGF(TCP_INPUT_DEBUG, ("SYN-SENT: ackno %"U32_F" pcb->snd_nxt %"U32_F" unacked %"U32_F"\n", ackno,
+     pcb->snd_nxt, ntohl(pcb->unacked->tcphdr->seqno)));
+    /* received SYN ACK with expected sequence number? */
+    if ((flags & TCP_ACK) && (flags & TCP_SYN)
+        && ackno == ntohl(pcb->unacked->tcphdr->seqno) + 1) {
+      pcb->snd_buf++;
+      pcb->rcv_nxt = seqno + 1;
+      pcb->rcv_ann_right_edge = pcb->rcv_nxt;
+      pcb->lastack = ackno;
+      pcb->snd_wnd = tcphdr->wnd;
+      pcb->snd_wl1 = seqno - 1; /* initialise to seqno - 1 to force window update */
+      pcb->state = ESTABLISHED;
+
+#if TCP_CALCULATE_EFF_SEND_MSS
+      pcb->mss = tcp_eff_send_mss(pcb->mss, &(pcb->remote_ip));
+#endif /* TCP_CALCULATE_EFF_SEND_MSS */
+
+      /* Set ssthresh again after changing pcb->mss (already set in tcp_connect
+       * but for the default value of pcb->mss) */
+      pcb->ssthresh = pcb->mss * 10;
+
+      pcb->cwnd = ((pcb->cwnd == 1) ? (pcb->mss * 2) : pcb->mss);
+      LWIP_ASSERT("pcb->snd_queuelen > 0", (pcb->snd_queuelen > 0));
+      --pcb->snd_queuelen;
+      LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_process: SYN-SENT --queuelen %"U16_F"\n", (u16_t)pcb->snd_queuelen));
+      rseg = pcb->unacked;
+      pcb->unacked = rseg->next;
+
+      /* If there's nothing left to acknowledge, stop the retransmit
+         timer, otherwise reset it to start again */
+      if(pcb->unacked == NULL)
+        pcb->rtime = -1;
+      else {
+        pcb->rtime = 0;
+        pcb->nrtx = 0;
+      }
+
+      tcp_seg_free(rseg);
+
+      /* Call the user specified function to call when sucessfully
+       * connected. */
+      TCP_EVENT_CONNECTED(pcb, ERR_OK, err);
+      if (err == ERR_ABRT) {
+        return ERR_ABRT;
+      }
+      tcp_ack_now(pcb);
+    }
+    /* received ACK? possibly a half-open connection */
+    else if (flags & TCP_ACK) {
+      /* send a RST to bring the other side in a non-synchronized state. */
+      tcp_rst(ackno, seqno + tcplen, ip_current_dest_addr(), ip_current_src_addr(),
+        tcphdr->dest, tcphdr->src);
+    }
+    break;
+  case SYN_RCVD:
+    if (flags & TCP_ACK) {
+      /* expected ACK number? */
+      if (TCP_SEQ_BETWEEN(ackno, pcb->lastack+1, pcb->snd_nxt)) {
+        u16_t old_cwnd;
+        pcb->state = ESTABLISHED;
+        LWIP_DEBUGF(TCP_DEBUG, ("TCP connection established %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest));
+#if LWIP_CALLBACK_API
+        LWIP_ASSERT("pcb->accept != NULL", pcb->accept != NULL);
+#endif
+        /* Call the accept function. */
+        TCP_EVENT_ACCEPT(pcb, ERR_OK, err);
+        if (err != ERR_OK) {
+          /* If the accept function returns with an error, we abort
+           * the connection. */
+          /* Already aborted? */
+          if (err != ERR_ABRT) {
+            tcp_abort(pcb);
+          }
+          return ERR_ABRT;
+        }
+        old_cwnd = pcb->cwnd;
+        /* If there was any data contained within this ACK,
+         * we'd better pass it on to the application as well. */
+        tcp_receive(pcb);
+
+        /* Prevent ACK for SYN to generate a sent event */
+        if (pcb->acked != 0) {
+          pcb->acked--;
+        }
+
+        pcb->cwnd = ((old_cwnd == 1) ? (pcb->mss * 2) : pcb->mss);
+
+        if (recv_flags & TF_GOT_FIN) {
+          tcp_ack_now(pcb);
+          pcb->state = CLOSE_WAIT;
+        }
+      } else {
+        /* incorrect ACK number, send RST */
+        tcp_rst(ackno, seqno + tcplen, ip_current_dest_addr(), ip_current_src_addr(),
+                tcphdr->dest, tcphdr->src);
+      }
+    } else if ((flags & TCP_SYN) && (seqno == pcb->rcv_nxt - 1)) {
+      /* Looks like another copy of the SYN - retransmit our SYN-ACK */
+      tcp_rexmit(pcb);
+    }
+    break;
+  case CLOSE_WAIT:
+    /* FALLTHROUGH */
+  case ESTABLISHED:
+    tcp_receive(pcb);
+    if (recv_flags & TF_GOT_FIN) { /* passive close */
+      tcp_ack_now(pcb);
+      pcb->state = CLOSE_WAIT;
+    }
+    break;
+  case FIN_WAIT_1:
+    tcp_receive(pcb);
+    if (recv_flags & TF_GOT_FIN) {
+      if ((flags & TCP_ACK) && (ackno == pcb->snd_nxt)) {
+        LWIP_DEBUGF(TCP_DEBUG,
+          ("TCP connection closed: FIN_WAIT_1 %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest));
+        tcp_ack_now(pcb);
+        tcp_pcb_purge(pcb);
+        TCP_RMV(&tcp_active_pcbs, pcb);
+        pcb->state = TIME_WAIT;
+        TCP_REG(&tcp_tw_pcbs, pcb);
+      } else {
+        tcp_ack_now(pcb);
+        pcb->state = CLOSING;
+      }
+    } else if ((flags & TCP_ACK) && (ackno == pcb->snd_nxt)) {
+      pcb->state = FIN_WAIT_2;
+    }
+    break;
+  case FIN_WAIT_2:
+    tcp_receive(pcb);
+    if (recv_flags & TF_GOT_FIN) {
+      LWIP_DEBUGF(TCP_DEBUG, ("TCP connection closed: FIN_WAIT_2 %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest));
+      tcp_ack_now(pcb);
+      tcp_pcb_purge(pcb);
+      TCP_RMV(&tcp_active_pcbs, pcb);
+      pcb->state = TIME_WAIT;
+      TCP_REG(&tcp_tw_pcbs, pcb);
+    }
+    break;
+  case CLOSING:
+    tcp_receive(pcb);
+    if (flags & TCP_ACK && ackno == pcb->snd_nxt) {
+      LWIP_DEBUGF(TCP_DEBUG, ("TCP connection closed: CLOSING %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest));
+      tcp_pcb_purge(pcb);
+      TCP_RMV(&tcp_active_pcbs, pcb);
+      pcb->state = TIME_WAIT;
+      TCP_REG(&tcp_tw_pcbs, pcb);
+    }
+    break;
+  case LAST_ACK:
+    tcp_receive(pcb);
+    if (flags & TCP_ACK && ackno == pcb->snd_nxt) {
+      LWIP_DEBUGF(TCP_DEBUG, ("TCP connection closed: LAST_ACK %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest));
+      /* bugfix #21699: don't set pcb->state to CLOSED here or we risk leaking segments */
+      recv_flags |= TF_CLOSED;
+    }
+    break;
+  default:
+    break;
+  }
+  return ERR_OK;
+}
+
+#if TCP_QUEUE_OOSEQ
+/**
+ * Insert segment into the list (segments covered with new one will be deleted)
+ *
+ * Called from tcp_receive()
+ */
+static void
+tcp_oos_insert_segment(struct tcp_seg *cseg, struct tcp_seg *next)
+{
+  struct tcp_seg *old_seg;
+
+  if (TCPH_FLAGS(cseg->tcphdr) & TCP_FIN) {
+    /* received segment overlaps all following segments */
+    tcp_segs_free(next);
+    next = NULL;
+  }
+  else {
+    /* delete some following segments
+       oos queue may have segments with FIN flag */
+    while (next &&
+           TCP_SEQ_GEQ((seqno + cseg->len),
+                      (next->tcphdr->seqno + next->len))) {
+      /* cseg with FIN already processed */
+      if (TCPH_FLAGS(next->tcphdr) & TCP_FIN) {
+        TCPH_SET_FLAG(cseg->tcphdr, TCP_FIN);
+      }
+      old_seg = next;
+      next = next->next;
+      tcp_seg_free(old_seg);
+    }
+    if (next &&
+        TCP_SEQ_GT(seqno + cseg->len, next->tcphdr->seqno)) {
+      /* We need to trim the incoming segment. */
+      cseg->len = (u16_t)(next->tcphdr->seqno - seqno);
+      pbuf_realloc(cseg->p, cseg->len);
+    }
+  }
+  cseg->next = next;
+}
+#endif /* TCP_QUEUE_OOSEQ */
+
+/**
+ * Called by tcp_process. Checks if the given segment is an ACK for outstanding
+ * data, and if so frees the memory of the buffered data. Next, is places the
+ * segment on any of the receive queues (pcb->recved or pcb->ooseq). If the segment
+ * is buffered, the pbuf is referenced by pbuf_ref so that it will not be freed until
+ * i it has been removed from the buffer.
+ *
+ * If the incoming segment constitutes an ACK for a segment that was used for RTT
+ * estimation, the RTT is estimated here as well.
+ *
+ * Called from tcp_process().
+ */
+static void
+tcp_receive(struct tcp_pcb *pcb)
+{
+  struct tcp_seg *next;
+#if TCP_QUEUE_OOSEQ
+  struct tcp_seg *prev, *cseg;
+#endif /* TCP_QUEUE_OOSEQ */
+  struct pbuf *p;
+  s32_t off;
+  s16_t m;
+  u32_t right_wnd_edge;
+  u16_t new_tot_len;
+  int found_dupack = 0;
+
+  if (flags & TCP_ACK) {
+    right_wnd_edge = pcb->snd_wnd + pcb->snd_wl2;
+
+    /* Update window. */
+    if (TCP_SEQ_LT(pcb->snd_wl1, seqno) ||
+       (pcb->snd_wl1 == seqno && TCP_SEQ_LT(pcb->snd_wl2, ackno)) ||
+       (pcb->snd_wl2 == ackno && tcphdr->wnd > pcb->snd_wnd)) {
+      pcb->snd_wnd = tcphdr->wnd;
+      pcb->snd_wl1 = seqno;
+      pcb->snd_wl2 = ackno;
+      if (pcb->snd_wnd > 0 && pcb->persist_backoff > 0) {
+          pcb->persist_backoff = 0;
+      }
+      LWIP_DEBUGF(TCP_WND_DEBUG, ("tcp_receive: window update %"U16_F"\n", pcb->snd_wnd));
+#if TCP_WND_DEBUG
+    } else {
+      if (pcb->snd_wnd != tcphdr->wnd) {
+        LWIP_DEBUGF(TCP_WND_DEBUG, 
+                    ("tcp_receive: no window update lastack %"U32_F" ackno %"
+                     U32_F" wl1 %"U32_F" seqno %"U32_F" wl2 %"U32_F"\n",
+                     pcb->lastack, ackno, pcb->snd_wl1, seqno, pcb->snd_wl2));
+      }
+#endif /* TCP_WND_DEBUG */
+    }
+
+    /* (From Stevens TCP/IP Illustrated Vol II, p970.) Its only a
+     * duplicate ack if:
+     * 1) It doesn't ACK new data 
+     * 2) length of received packet is zero (i.e. no payload) 
+     * 3) the advertised window hasn't changed 
+     * 4) There is outstanding unacknowledged data (retransmission timer running)
+     * 5) The ACK is == biggest ACK sequence number so far seen (snd_una)
+     * 
+     * If it passes all five, should process as a dupack: 
+     * a) dupacks < 3: do nothing 
+     * b) dupacks == 3: fast retransmit 
+     * c) dupacks > 3: increase cwnd 
+     * 
+     * If it only passes 1-3, should reset dupack counter (and add to
+     * stats, which we don't do in lwIP)
+     *
+     * If it only passes 1, should reset dupack counter
+     *
+     */
+
+    /* Clause 1 */
+    if (TCP_SEQ_LEQ(ackno, pcb->lastack)) {
+      pcb->acked = 0;
+      /* Clause 2 */
+      if (tcplen == 0) {
+        /* Clause 3 */
+        if (pcb->snd_wl2 + pcb->snd_wnd == right_wnd_edge){
+          /* Clause 4 */
+          if (pcb->rtime >= 0) {
+            /* Clause 5 */
+            if (pcb->lastack == ackno) {
+              found_dupack = 1;
+              if (pcb->dupacks + 1 > pcb->dupacks)
+                ++pcb->dupacks;
+              if (pcb->dupacks > 3) {
+                /* Inflate the congestion window, but not if it means that
+                   the value overflows. */
+                if ((u16_t)(pcb->cwnd + pcb->mss) > pcb->cwnd) {
+                  pcb->cwnd += pcb->mss;
+                }
+              } else if (pcb->dupacks == 3) {
+                /* Do fast retransmit */
+                tcp_rexmit_fast(pcb);
+              }
+            }
+          }
+        }
+      }
+      /* If Clause (1) or more is true, but not a duplicate ack, reset
+       * count of consecutive duplicate acks */
+      if (!found_dupack) {
+        pcb->dupacks = 0;
+      }
+    } else if (TCP_SEQ_BETWEEN(ackno, pcb->lastack+1, pcb->snd_nxt)){
+      /* We come here when the ACK acknowledges new data. */
+
+      /* Reset the "IN Fast Retransmit" flag, since we are no longer
+         in fast retransmit. Also reset the congestion window to the
+         slow start threshold. */
+      if (pcb->flags & TF_INFR) {
+        pcb->flags &= ~TF_INFR;
+        pcb->cwnd = pcb->ssthresh;
+      }
+
+      /* Reset the number of retransmissions. */
+      pcb->nrtx = 0;
+
+      /* Reset the retransmission time-out. */
+      pcb->rto = (pcb->sa >> 3) + pcb->sv;
+
+      /* Update the send buffer space. Diff between the two can never exceed 64K? */
+      pcb->acked = (u16_t)(ackno - pcb->lastack);
+
+      pcb->snd_buf += pcb->acked;
+
+      /* Reset the fast retransmit variables. */
+      pcb->dupacks = 0;
+      pcb->lastack = ackno;
+
+      /* Update the congestion control variables (cwnd and
+         ssthresh). */
+      if (pcb->state >= ESTABLISHED) {
+        if (pcb->cwnd < pcb->ssthresh) {
+          if ((u16_t)(pcb->cwnd + pcb->mss) > pcb->cwnd) {
+            pcb->cwnd += pcb->mss;
+          }
+          LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_receive: slow start cwnd %"U16_F"\n", pcb->cwnd));
+        } else {
+          u16_t new_cwnd = (pcb->cwnd + pcb->mss * pcb->mss / pcb->cwnd);
+          if (new_cwnd > pcb->cwnd) {
+            pcb->cwnd = new_cwnd;
+          }
+          LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_receive: congestion avoidance cwnd %"U16_F"\n", pcb->cwnd));
+        }
+      }
+      LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: ACK for %"U32_F", unacked->seqno %"U32_F":%"U32_F"\n",
+                                    ackno,
+                                    pcb->unacked != NULL?
+                                    ntohl(pcb->unacked->tcphdr->seqno): 0,
+                                    pcb->unacked != NULL?
+                                    ntohl(pcb->unacked->tcphdr->seqno) + TCP_TCPLEN(pcb->unacked): 0));
+
+      /* Remove segment from the unacknowledged list if the incoming
+         ACK acknowlegdes them. */
+      while (pcb->unacked != NULL &&
+             TCP_SEQ_LEQ(ntohl(pcb->unacked->tcphdr->seqno) +
+                         TCP_TCPLEN(pcb->unacked), ackno)) {
+        LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: removing %"U32_F":%"U32_F" from pcb->unacked\n",
+                                      ntohl(pcb->unacked->tcphdr->seqno),
+                                      ntohl(pcb->unacked->tcphdr->seqno) +
+                                      TCP_TCPLEN(pcb->unacked)));
+
+        next = pcb->unacked;
+        pcb->unacked = pcb->unacked->next;
+
+        LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_receive: queuelen %"U16_F" ... ", (u16_t)pcb->snd_queuelen));
+        LWIP_ASSERT("pcb->snd_queuelen >= pbuf_clen(next->p)", (pcb->snd_queuelen >= pbuf_clen(next->p)));
+        /* Prevent ACK for FIN to generate a sent event */
+        if ((pcb->acked != 0) && ((TCPH_FLAGS(next->tcphdr) & TCP_FIN) != 0)) {
+          pcb->acked--;
+        }
+
+        pcb->snd_queuelen -= pbuf_clen(next->p);
+        tcp_seg_free(next);
+
+        LWIP_DEBUGF(TCP_QLEN_DEBUG, ("%"U16_F" (after freeing unacked)\n", (u16_t)pcb->snd_queuelen));
+        if (pcb->snd_queuelen != 0) {
+          LWIP_ASSERT("tcp_receive: valid queue length", pcb->unacked != NULL ||
+                      pcb->unsent != NULL);
+        }
+      }
+
+      /* If there's nothing left to acknowledge, stop the retransmit
+         timer, otherwise reset it to start again */
+      if(pcb->unacked == NULL)
+        pcb->rtime = -1;
+      else
+        pcb->rtime = 0;
+
+      pcb->polltmr = 0;
+    } else {
+      /* Fix bug bug #21582: out of sequence ACK, didn't really ack anything */
+      pcb->acked = 0;
+    }
+
+    /* We go through the ->unsent list to see if any of the segments
+       on the list are acknowledged by the ACK. This may seem
+       strange since an "unsent" segment shouldn't be acked. The
+       rationale is that lwIP puts all outstanding segments on the
+       ->unsent list after a retransmission, so these segments may
+       in fact have been sent once. */
+    while (pcb->unsent != NULL &&
+           TCP_SEQ_BETWEEN(ackno, ntohl(pcb->unsent->tcphdr->seqno) + 
+                           TCP_TCPLEN(pcb->unsent), pcb->snd_nxt)) {
+      LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: removing %"U32_F":%"U32_F" from pcb->unsent\n",
+                                    ntohl(pcb->unsent->tcphdr->seqno), ntohl(pcb->unsent->tcphdr->seqno) +
+                                    TCP_TCPLEN(pcb->unsent)));
+
+      next = pcb->unsent;
+      pcb->unsent = pcb->unsent->next;
+      LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_receive: queuelen %"U16_F" ... ", (u16_t)pcb->snd_queuelen));
+      LWIP_ASSERT("pcb->snd_queuelen >= pbuf_clen(next->p)", (pcb->snd_queuelen >= pbuf_clen(next->p)));
+      /* Prevent ACK for FIN to generate a sent event */
+      if ((pcb->acked != 0) && ((TCPH_FLAGS(next->tcphdr) & TCP_FIN) != 0)) {
+        pcb->acked--;
+      }
+      pcb->snd_queuelen -= pbuf_clen(next->p);
+      tcp_seg_free(next);
+      LWIP_DEBUGF(TCP_QLEN_DEBUG, ("%"U16_F" (after freeing unsent)\n", (u16_t)pcb->snd_queuelen));
+      if (pcb->snd_queuelen != 0) {
+        LWIP_ASSERT("tcp_receive: valid queue length",
+          pcb->unacked != NULL || pcb->unsent != NULL);
+      }
+    }
+    /* End of ACK for new data processing. */
+
+    LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_receive: pcb->rttest %"U32_F" rtseq %"U32_F" ackno %"U32_F"\n",
+                                pcb->rttest, pcb->rtseq, ackno));
+
+    /* RTT estimation calculations. This is done by checking if the
+       incoming segment acknowledges the segment we use to take a
+       round-trip time measurement. */
+    if (pcb->rttest && TCP_SEQ_LT(pcb->rtseq, ackno)) {
+      /* diff between this shouldn't exceed 32K since this are tcp timer ticks
+         and a round-trip shouldn't be that long... */
+      m = (s16_t)(tcp_ticks - pcb->rttest);
+
+      LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_receive: experienced rtt %"U16_F" ticks (%"U16_F" msec).\n",
+                                  m, m * TCP_SLOW_INTERVAL));
+
+      /* This is taken directly from VJs original code in his paper */
+      m = m - (pcb->sa >> 3);
+      pcb->sa += m;
+      if (m < 0) {
+        m = -m;
+      }
+      m = m - (pcb->sv >> 2);
+      pcb->sv += m;
+      pcb->rto = (pcb->sa >> 3) + pcb->sv;
+
+      LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_receive: RTO %"U16_F" (%"U16_F" milliseconds)\n",
+                                  pcb->rto, pcb->rto * TCP_SLOW_INTERVAL));
+
+      pcb->rttest = 0;
+    }
+  }
+
+  /* If the incoming segment contains data, we must process it
+     further. */
+  if (tcplen > 0) {
+    /* This code basically does three things:
+
+    +) If the incoming segment contains data that is the next
+    in-sequence data, this data is passed to the application. This
+    might involve trimming the first edge of the data. The rcv_nxt
+    variable and the advertised window are adjusted.
+
+    +) If the incoming segment has data that is above the next
+    sequence number expected (->rcv_nxt), the segment is placed on
+    the ->ooseq queue. This is done by finding the appropriate
+    place in the ->ooseq queue (which is ordered by sequence
+    number) and trim the segment in both ends if needed. An
+    immediate ACK is sent to indicate that we received an
+    out-of-sequence segment.
+
+    +) Finally, we check if the first segment on the ->ooseq queue
+    now is in sequence (i.e., if rcv_nxt >= ooseq->seqno). If
+    rcv_nxt > ooseq->seqno, we must trim the first edge of the
+    segment on ->ooseq before we adjust rcv_nxt. The data in the
+    segments that are now on sequence are chained onto the
+    incoming segment so that we only need to call the application
+    once.
+    */
+
+    /* First, we check if we must trim the first edge. We have to do
+       this if the sequence number of the incoming segment is less
+       than rcv_nxt, and the sequence number plus the length of the
+       segment is larger than rcv_nxt. */
+    /*    if (TCP_SEQ_LT(seqno, pcb->rcv_nxt)){
+          if (TCP_SEQ_LT(pcb->rcv_nxt, seqno + tcplen)) {*/
+    if (TCP_SEQ_BETWEEN(pcb->rcv_nxt, seqno + 1, seqno + tcplen - 1)){
+      /* Trimming the first edge is done by pushing the payload
+         pointer in the pbuf downwards. This is somewhat tricky since
+         we do not want to discard the full contents of the pbuf up to
+         the new starting point of the data since we have to keep the
+         TCP header which is present in the first pbuf in the chain.
+
+         What is done is really quite a nasty hack: the first pbuf in
+         the pbuf chain is pointed to by inseg.p. Since we need to be
+         able to deallocate the whole pbuf, we cannot change this
+         inseg.p pointer to point to any of the later pbufs in the
+         chain. Instead, we point the ->payload pointer in the first
+         pbuf to data in one of the later pbufs. We also set the
+         inseg.data pointer to point to the right place. This way, the
+         ->p pointer will still point to the first pbuf, but the
+         ->p->payload pointer will point to data in another pbuf.
+
+         After we are done with adjusting the pbuf pointers we must
+         adjust the ->data pointer in the seg and the segment
+         length.*/
+
+      off = pcb->rcv_nxt - seqno;
+      p = inseg.p;
+      LWIP_ASSERT("inseg.p != NULL", inseg.p);
+      LWIP_ASSERT("insane offset!", (off < 0x7fff));
+      if (inseg.p->len < off) {
+        LWIP_ASSERT("pbuf too short!", (((s32_t)inseg.p->tot_len) >= off));
+        new_tot_len = (u16_t)(inseg.p->tot_len - off);
+        while (p->len < off) {
+          off -= p->len;
+          /* KJM following line changed (with addition of new_tot_len var)
+             to fix bug #9076
+             inseg.p->tot_len -= p->len; */
+          p->tot_len = new_tot_len;
+          p->len = 0;
+          p = p->next;
+        }
+        if(pbuf_header(p, (s16_t)-off)) {
+          /* Do we need to cope with this failing?  Assert for now */
+          LWIP_ASSERT("pbuf_header failed", 0);
+        }
+      } else {
+        if(pbuf_header(inseg.p, (s16_t)-off)) {
+          /* Do we need to cope with this failing?  Assert for now */
+          LWIP_ASSERT("pbuf_header failed", 0);
+        }
+      }
+      inseg.len -= (u16_t)(pcb->rcv_nxt - seqno);
+      inseg.tcphdr->seqno = seqno = pcb->rcv_nxt;
+    }
+    else {
+      if (TCP_SEQ_LT(seqno, pcb->rcv_nxt)){
+        /* the whole segment is < rcv_nxt */
+        /* must be a duplicate of a packet that has already been correctly handled */
+
+        LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: duplicate seqno %"U32_F"\n", seqno));
+        tcp_ack_now(pcb);
+      }
+    }
+
+    /* The sequence number must be within the window (above rcv_nxt
+       and below rcv_nxt + rcv_wnd) in order to be further
+       processed. */
+    if (TCP_SEQ_BETWEEN(seqno, pcb->rcv_nxt, 
+                        pcb->rcv_nxt + pcb->rcv_wnd - 1)){
+      if (pcb->rcv_nxt == seqno) {
+        /* The incoming segment is the next in sequence. We check if
+           we have to trim the end of the segment and update rcv_nxt
+           and pass the data to the application. */
+        tcplen = TCP_TCPLEN(&inseg);
+
+        if (tcplen > pcb->rcv_wnd) {
+          LWIP_DEBUGF(TCP_INPUT_DEBUG, 
+                      ("tcp_receive: other end overran receive window"
+                       "seqno %"U32_F" len %"U16_F" right edge %"U32_F"\n",
+                       seqno, tcplen, pcb->rcv_nxt + pcb->rcv_wnd));
+          if (TCPH_FLAGS(inseg.tcphdr) & TCP_FIN) {
+            /* Must remove the FIN from the header as we're trimming 
+             * that byte of sequence-space from the packet */
+            TCPH_FLAGS_SET(inseg.tcphdr, TCPH_FLAGS(inseg.tcphdr) &~ TCP_FIN);
+          }
+          /* Adjust length of segment to fit in the window. */
+          inseg.len = pcb->rcv_wnd;
+          if (TCPH_FLAGS(inseg.tcphdr) & TCP_SYN) {
+            inseg.len -= 1;
+          }
+          pbuf_realloc(inseg.p, inseg.len);
+          tcplen = TCP_TCPLEN(&inseg);
+          LWIP_ASSERT("tcp_receive: segment not trimmed correctly to rcv_wnd\n",
+                      (seqno + tcplen) == (pcb->rcv_nxt + pcb->rcv_wnd));
+        }
+#if TCP_QUEUE_OOSEQ
+        /* Received in-sequence data, adjust ooseq data if:
+           - FIN has been received or
+           - inseq overlaps with ooseq */
+        if (pcb->ooseq != NULL) {
+          if (TCPH_FLAGS(inseg.tcphdr) & TCP_FIN) {
+            LWIP_DEBUGF(TCP_INPUT_DEBUG, 
+                        ("tcp_receive: received in-order FIN, binning ooseq queue\n"));
+            /* Received in-order FIN means anything that was received
+             * out of order must now have been received in-order, so
+             * bin the ooseq queue */
+            while (pcb->ooseq != NULL) {
+              struct tcp_seg *old_ooseq = pcb->ooseq;
+              pcb->ooseq = pcb->ooseq->next;
+              tcp_seg_free(old_ooseq);
+            }
+          }
+          else {
+            next = pcb->ooseq;
+            /* Remove all segments on ooseq that are covered by inseg already.
+             * FIN is copied from ooseq to inseg if present. */
+            while (next &&
+                   TCP_SEQ_GEQ(seqno + tcplen,
+                               next->tcphdr->seqno + next->len)) {
+              /* inseg cannot have FIN here (already processed above) */
+              if (TCPH_FLAGS(next->tcphdr) & TCP_FIN &&
+                  (TCPH_FLAGS(inseg.tcphdr) & TCP_SYN) == 0) {
+                TCPH_SET_FLAG(inseg.tcphdr, TCP_FIN);
+                tcplen = TCP_TCPLEN(&inseg);
+              }
+              prev = next;
+              next = next->next;
+              tcp_seg_free(prev);
+            }
+            /* Now trim right side of inseg if it overlaps with the first
+             * segment on ooseq */
+            if (next &&
+                TCP_SEQ_GT(seqno + tcplen,
+                           next->tcphdr->seqno)) {
+              /* inseg cannot have FIN here (already processed above) */
+              inseg.len = (u16_t)(next->tcphdr->seqno - seqno);
+              if (TCPH_FLAGS(inseg.tcphdr) & TCP_SYN) {
+                inseg.len -= 1;
+              }
+              pbuf_realloc(inseg.p, inseg.len);
+              tcplen = TCP_TCPLEN(&inseg);
+              LWIP_ASSERT("tcp_receive: segment not trimmed correctly to ooseq queue\n",
+                          (seqno + tcplen) == next->tcphdr->seqno);
+            }
+            pcb->ooseq = next;
+          }
+        }
+#endif /* TCP_QUEUE_OOSEQ */
+
+        pcb->rcv_nxt = seqno + tcplen;
+
+        /* Update the receiver's (our) window. */
+        LWIP_ASSERT("tcp_receive: tcplen > rcv_wnd\n", pcb->rcv_wnd >= tcplen);
+        pcb->rcv_wnd -= tcplen;
+
+        tcp_update_rcv_ann_wnd(pcb);
+
+        /* If there is data in the segment, we make preparations to
+           pass this up to the application. The ->recv_data variable
+           is used for holding the pbuf that goes to the
+           application. The code for reassembling out-of-sequence data
+           chains its data on this pbuf as well.
+
+           If the segment was a FIN, we set the TF_GOT_FIN flag that will
+           be used to indicate to the application that the remote side has
+           closed its end of the connection. */
+        if (inseg.p->tot_len > 0) {
+          recv_data = inseg.p;
+          /* Since this pbuf now is the responsibility of the
+             application, we delete our reference to it so that we won't
+             (mistakingly) deallocate it. */
+          inseg.p = NULL;
+        }
+        if (TCPH_FLAGS(inseg.tcphdr) & TCP_FIN) {
+          LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: received FIN.\n"));
+          recv_flags |= TF_GOT_FIN;
+        }
+
+#if TCP_QUEUE_OOSEQ
+        /* We now check if we have segments on the ->ooseq queue that
+           are now in sequence. */
+        while (pcb->ooseq != NULL &&
+               pcb->ooseq->tcphdr->seqno == pcb->rcv_nxt) {
+
+          cseg = pcb->ooseq;
+          seqno = pcb->ooseq->tcphdr->seqno;
+
+          pcb->rcv_nxt += TCP_TCPLEN(cseg);
+          LWIP_ASSERT("tcp_receive: ooseq tcplen > rcv_wnd\n",
+                      pcb->rcv_wnd >= TCP_TCPLEN(cseg));
+          pcb->rcv_wnd -= TCP_TCPLEN(cseg);
+
+          tcp_update_rcv_ann_wnd(pcb);
+
+          if (cseg->p->tot_len > 0) {
+            /* Chain this pbuf onto the pbuf that we will pass to
+               the application. */
+            if (recv_data) {
+              pbuf_cat(recv_data, cseg->p);
+            } else {
+              recv_data = cseg->p;
+            }
+            cseg->p = NULL;
+          }
+          if (TCPH_FLAGS(cseg->tcphdr) & TCP_FIN) {
+            LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: dequeued FIN.\n"));
+            recv_flags |= TF_GOT_FIN;
+            if (pcb->state == ESTABLISHED) { /* force passive close or we can move to active close */
+              pcb->state = CLOSE_WAIT;
+            } 
+          }
+
+          pcb->ooseq = cseg->next;
+          tcp_seg_free(cseg);
+        }
+#endif /* TCP_QUEUE_OOSEQ */
+
+
+        /* Acknowledge the segment(s). */
+        tcp_ack(pcb);
+
+      } else {
+        /* We get here if the incoming segment is out-of-sequence. */
+        tcp_send_empty_ack(pcb);
+#if TCP_QUEUE_OOSEQ
+        /* We queue the segment on the ->ooseq queue. */
+        if (pcb->ooseq == NULL) {
+          pcb->ooseq = tcp_seg_copy(&inseg);
+        } else {
+          /* If the queue is not empty, we walk through the queue and
+             try to find a place where the sequence number of the
+             incoming segment is between the sequence numbers of the
+             previous and the next segment on the ->ooseq queue. That is
+             the place where we put the incoming segment. If needed, we
+             trim the second edges of the previous and the incoming
+             segment so that it will fit into the sequence.
+
+             If the incoming segment has the same sequence number as a
+             segment on the ->ooseq queue, we discard the segment that
+             contains less data. */
+
+          prev = NULL;
+          for(next = pcb->ooseq; next != NULL; next = next->next) {
+            if (seqno == next->tcphdr->seqno) {
+              /* The sequence number of the incoming segment is the
+                 same as the sequence number of the segment on
+                 ->ooseq. We check the lengths to see which one to
+                 discard. */
+              if (inseg.len > next->len) {
+                /* The incoming segment is larger than the old
+                   segment. We replace some segments with the new
+                   one. */
+                cseg = tcp_seg_copy(&inseg);
+                if (cseg != NULL) {
+                  if (prev != NULL) {
+                    prev->next = cseg;
+                  } else {
+                    pcb->ooseq = cseg;
+                  }
+                  tcp_oos_insert_segment(cseg, next);
+                }
+                break;
+              } else {
+                /* Either the lenghts are the same or the incoming
+                   segment was smaller than the old one; in either
+                   case, we ditch the incoming segment. */
+                break;
+              }
+            } else {
+              if (prev == NULL) {
+                if (TCP_SEQ_LT(seqno, next->tcphdr->seqno)) {
+                  /* The sequence number of the incoming segment is lower
+                     than the sequence number of the first segment on the
+                     queue. We put the incoming segment first on the
+                     queue. */
+                  cseg = tcp_seg_copy(&inseg);
+                  if (cseg != NULL) {
+                    pcb->ooseq = cseg;
+                    tcp_oos_insert_segment(cseg, next);
+                  }
+                  break;
+                }
+              } else {
+                /*if (TCP_SEQ_LT(prev->tcphdr->seqno, seqno) &&
+                  TCP_SEQ_LT(seqno, next->tcphdr->seqno)) {*/
+                if (TCP_SEQ_BETWEEN(seqno, prev->tcphdr->seqno+1, next->tcphdr->seqno-1)) {
+                  /* The sequence number of the incoming segment is in
+                     between the sequence numbers of the previous and
+                     the next segment on ->ooseq. We trim trim the previous
+                     segment, delete next segments that included in received segment
+                     and trim received, if needed. */
+                  cseg = tcp_seg_copy(&inseg);
+                  if (cseg != NULL) {
+                    if (TCP_SEQ_GT(prev->tcphdr->seqno + prev->len, seqno)) {
+                      /* We need to trim the prev segment. */
+                      prev->len = (u16_t)(seqno - prev->tcphdr->seqno);
+                      pbuf_realloc(prev->p, prev->len);
+                    }
+                    prev->next = cseg;
+                    tcp_oos_insert_segment(cseg, next);
+                  }
+                  break;
+                }
+              }
+              /* If the "next" segment is the last segment on the
+                 ooseq queue, we add the incoming segment to the end
+                 of the list. */
+              if (next->next == NULL &&
+                  TCP_SEQ_GT(seqno, next->tcphdr->seqno)) {
+                if (TCPH_FLAGS(next->tcphdr) & TCP_FIN) {
+                  /* segment "next" already contains all data */
+                  break;
+                }
+                next->next = tcp_seg_copy(&inseg);
+                if (next->next != NULL) {
+                  if (TCP_SEQ_GT(next->tcphdr->seqno + next->len, seqno)) {
+                    /* We need to trim the last segment. */
+                    next->len = (u16_t)(seqno - next->tcphdr->seqno);
+                    pbuf_realloc(next->p, next->len);
+                  }
+                  /* check if the remote side overruns our receive window */
+                  if ((u32_t)tcplen + seqno > pcb->rcv_nxt + (u32_t)pcb->rcv_wnd) {
+                    LWIP_DEBUGF(TCP_INPUT_DEBUG, 
+                                ("tcp_receive: other end overran receive window"
+                                 "seqno %"U32_F" len %"U16_F" right edge %"U32_F"\n",
+                                 seqno, tcplen, pcb->rcv_nxt + pcb->rcv_wnd));
+                    if (TCPH_FLAGS(next->next->tcphdr) & TCP_FIN) {
+                      /* Must remove the FIN from the header as we're trimming 
+                       * that byte of sequence-space from the packet */
+                      TCPH_FLAGS_SET(next->next->tcphdr, TCPH_FLAGS(next->next->tcphdr) &~ TCP_FIN);
+                    }
+                    /* Adjust length of segment to fit in the window. */
+                    next->next->len = pcb->rcv_nxt + pcb->rcv_wnd - seqno;
+                    pbuf_realloc(next->next->p, next->next->len);
+                    tcplen = TCP_TCPLEN(next->next);
+                    LWIP_ASSERT("tcp_receive: segment not trimmed correctly to rcv_wnd\n",
+                                (seqno + tcplen) == (pcb->rcv_nxt + pcb->rcv_wnd));
+                  }
+                }
+                break;
+              }
+            }
+            prev = next;
+          }
+        }
+#endif /* TCP_QUEUE_OOSEQ */
+
+      }
+    } else {
+      /* The incoming segment is not withing the window. */
+      tcp_send_empty_ack(pcb);
+    }
+  } else {
+    /* Segments with length 0 is taken care of here. Segments that
+       fall out of the window are ACKed. */
+    /*if (TCP_SEQ_GT(pcb->rcv_nxt, seqno) ||
+      TCP_SEQ_GEQ(seqno, pcb->rcv_nxt + pcb->rcv_wnd)) {*/
+    if(!TCP_SEQ_BETWEEN(seqno, pcb->rcv_nxt, pcb->rcv_nxt + pcb->rcv_wnd-1)){
+      tcp_ack_now(pcb);
+    }
+  }
+}
+
+/**
+ * Parses the options contained in the incoming segment. 
+ *
+ * Called from tcp_listen_input() and tcp_process().
+ * Currently, only the MSS option is supported!
+ *
+ * @param pcb the tcp_pcb for which a segment arrived
+ */
+static void
+tcp_parseopt(struct tcp_pcb *pcb)
+{
+  u16_t c, max_c;
+  u16_t mss;
+  u8_t *opts, opt;
+#if LWIP_TCP_TIMESTAMPS
+  u32_t tsval;
+#endif
+
+  opts = (u8_t *)tcphdr + TCP_HLEN;
+
+  /* Parse the TCP MSS option, if present. */
+  if(TCPH_HDRLEN(tcphdr) > 0x5) {
+    max_c = (TCPH_HDRLEN(tcphdr) - 5) << 2;
+    for (c = 0; c < max_c; ) {
+      opt = opts[c];
+      switch (opt) {
+      case 0x00:
+        /* End of options. */
+        LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: EOL\n"));
+        return;
+      case 0x01:
+        /* NOP option. */
+        ++c;
+        LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: NOP\n"));
+        break;
+      case 0x02:
+        LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: MSS\n"));
+        if (opts[c + 1] != 0x04 || c + 0x04 > max_c) {
+          /* Bad length */
+          LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: bad length\n"));
+          return;
+        }
+        /* An MSS option with the right option length. */
+        mss = (opts[c + 2] << 8) | opts[c + 3];
+        /* Limit the mss to the configured TCP_MSS and prevent division by zero */
+        pcb->mss = ((mss > TCP_MSS) || (mss == 0)) ? TCP_MSS : mss;
+        /* Advance to next option */
+        c += 0x04;
+        break;
+#if LWIP_TCP_TIMESTAMPS
+      case 0x08:
+        LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: TS\n"));
+        if (opts[c + 1] != 0x0A || c + 0x0A > max_c) {
+          /* Bad length */
+          LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: bad length\n"));
+          return;
+        }
+        /* TCP timestamp option with valid length */
+        tsval = (opts[c+2]) | (opts[c+3] << 8) | 
+          (opts[c+4] << 16) | (opts[c+5] << 24);
+        if (flags & TCP_SYN) {
+          pcb->ts_recent = ntohl(tsval);
+          pcb->flags |= TF_TIMESTAMP;
+        } else if (TCP_SEQ_BETWEEN(pcb->ts_lastacksent, seqno, seqno+tcplen)) {
+          pcb->ts_recent = ntohl(tsval);
+        }
+        /* Advance to next option */
+        c += 0x0A;
+        break;
+#endif
+      default:
+        LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: other\n"));
+        if (opts[c + 1] == 0) {
+          LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: bad length\n"));
+          /* If the length field is zero, the options are malformed
+             and we don't process them further. */
+          return;
+        }
+        /* All other options have a length field, so that we easily
+           can skip past them. */
+        c += opts[c + 1];
+      }
+    }
+  }
+}
+
+#endif /* LWIP_TCP */
diff --git a/libraries/net/lwip/lwip/core/tcp_out.c b/libraries/net/lwip/lwip/core/tcp_out.c
new file mode 100644
index 0000000000..86e0919531
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/tcp_out.c
@@ -0,0 +1,1468 @@
+/**
+ * @file
+ * Transmission Control Protocol, outgoing traffic
+ *
+ * The output functions of TCP.
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/tcp_impl.h"
+#include "lwip/def.h"
+#include "lwip/mem.h"
+#include "lwip/memp.h"
+#include "lwip/sys.h"
+#include "lwip/ip_addr.h"
+#include "lwip/netif.h"
+#include "lwip/inet_chksum.h"
+#include "lwip/stats.h"
+#include "lwip/snmp.h"
+
+#include 
+
+/* Define some copy-macros for checksum-on-copy so that the code looks
+   nicer by preventing too many ifdef's. */
+#if TCP_CHECKSUM_ON_COPY
+#define TCP_DATA_COPY(dst, src, len, seg) do { \
+  tcp_seg_add_chksum(LWIP_CHKSUM_COPY(dst, src, len), \
+                     len, &seg->chksum, &seg->chksum_swapped); \
+  seg->flags |= TF_SEG_DATA_CHECKSUMMED; } while(0)
+#define TCP_DATA_COPY2(dst, src, len, chksum, chksum_swapped)  \
+  tcp_seg_add_chksum(LWIP_CHKSUM_COPY(dst, src, len), len, chksum, chksum_swapped);
+#else /* TCP_CHECKSUM_ON_COPY*/
+#define TCP_DATA_COPY(dst, src, len, seg)                     MEMCPY(dst, src, len)
+#define TCP_DATA_COPY2(dst, src, len, chksum, chksum_swapped) MEMCPY(dst, src, len)
+#endif /* TCP_CHECKSUM_ON_COPY*/
+
+/** Define this to 1 for an extra check that the output checksum is valid
+ * (usefule when the checksum is generated by the application, not the stack) */
+#ifndef TCP_CHECKSUM_ON_COPY_SANITY_CHECK
+#define TCP_CHECKSUM_ON_COPY_SANITY_CHECK   0
+#endif
+
+/* Forward declarations.*/
+static void tcp_output_segment(struct tcp_seg *seg, struct tcp_pcb *pcb);
+
+/** Allocate a pbuf and create a tcphdr at p->payload, used for output
+ * functions other than the default tcp_output -> tcp_output_segment
+ * (e.g. tcp_send_empty_ack, etc.)
+ *
+ * @param pcb tcp pcb for which to send a packet (used to initialize tcp_hdr)
+ * @param optlen length of header-options
+ * @param datalen length of tcp data to reserve in pbuf
+ * @param seqno_be seqno in network byte order (big-endian)
+ * @return pbuf with p->payload being the tcp_hdr
+ */
+static struct pbuf *
+tcp_output_alloc_header(struct tcp_pcb *pcb, u16_t optlen, u16_t datalen,
+                      u32_t seqno_be /* already in network byte order */)
+{
+  struct tcp_hdr *tcphdr;
+  struct pbuf *p = pbuf_alloc(PBUF_IP, TCP_HLEN + optlen + datalen, PBUF_RAM);
+  if (p != NULL) {
+    LWIP_ASSERT("check that first pbuf can hold struct tcp_hdr",
+                 (p->len >= TCP_HLEN + optlen));
+    tcphdr = (struct tcp_hdr *)p->payload;
+    tcphdr->src = htons(pcb->local_port);
+    tcphdr->dest = htons(pcb->remote_port);
+    tcphdr->seqno = seqno_be;
+    tcphdr->ackno = htonl(pcb->rcv_nxt);
+    TCPH_HDRLEN_FLAGS_SET(tcphdr, (5 + optlen / 4), TCP_ACK);
+    tcphdr->wnd = htons(pcb->rcv_ann_wnd);
+    tcphdr->chksum = 0;
+    tcphdr->urgp = 0;
+
+    /* If we're sending a packet, update the announced right window edge */
+    pcb->rcv_ann_right_edge = pcb->rcv_nxt + pcb->rcv_ann_wnd;
+  }
+  return p;
+}
+
+/**
+ * Called by tcp_close() to send a segment including FIN flag but not data.
+ *
+ * @param pcb the tcp_pcb over which to send a segment
+ * @return ERR_OK if sent, another err_t otherwise
+ */
+err_t
+tcp_send_fin(struct tcp_pcb *pcb)
+{
+  /* first, try to add the fin to the last unsent segment */
+  if (pcb->unsent != NULL) {
+    struct tcp_seg *last_unsent;
+    for (last_unsent = pcb->unsent; last_unsent->next != NULL;
+         last_unsent = last_unsent->next);
+
+    if ((TCPH_FLAGS(last_unsent->tcphdr) & (TCP_SYN | TCP_FIN | TCP_RST)) == 0) {
+      /* no SYN/FIN/RST flag in the header, we can add the FIN flag */
+      TCPH_SET_FLAG(last_unsent->tcphdr, TCP_FIN);
+      return ERR_OK;
+    }
+  }
+  /* no data, no length, flags, copy=1, no optdata */
+  return tcp_enqueue_flags(pcb, TCP_FIN);
+}
+
+/**
+ * Create a TCP segment with prefilled header.
+ *
+ * Called by tcp_write and tcp_enqueue_flags.
+ *
+ * @param pcb Protocol control block for the TCP connection.
+ * @param p pbuf that is used to hold the TCP header.
+ * @param flags TCP flags for header.
+ * @param seqno TCP sequence number of this packet
+ * @param optflags options to include in TCP header
+ * @return a new tcp_seg pointing to p, or NULL.
+ * The TCP header is filled in except ackno and wnd.
+ * p is freed on failure.
+ */
+static struct tcp_seg *
+tcp_create_segment(struct tcp_pcb *pcb, struct pbuf *p, u8_t flags, u32_t seqno, u8_t optflags)
+{
+  struct tcp_seg *seg;
+  u8_t optlen = LWIP_TCP_OPT_LENGTH(optflags);
+
+  if ((seg = (struct tcp_seg *)memp_malloc(MEMP_TCP_SEG)) == NULL) {
+    LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2, ("tcp_create_segment: no memory.\n"));
+    pbuf_free(p);
+    return NULL;
+  }
+  seg->flags = optflags;
+  seg->next = NULL;
+  seg->p = p;
+  seg->len = p->tot_len - optlen;
+#if TCP_OVERSIZE_DBGCHECK
+  seg->oversize_left = 0;
+#endif /* TCP_OVERSIZE_DBGCHECK */
+#if TCP_CHECKSUM_ON_COPY
+  seg->chksum = 0;
+  seg->chksum_swapped = 0;
+  /* check optflags */
+  LWIP_ASSERT("invalid optflags passed: TF_SEG_DATA_CHECKSUMMED",
+              (optflags & TF_SEG_DATA_CHECKSUMMED) == 0);
+#endif /* TCP_CHECKSUM_ON_COPY */
+
+  /* build TCP header */
+  if (pbuf_header(p, TCP_HLEN)) {
+    LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2, ("tcp_create_segment: no room for TCP header in pbuf.\n"));
+    TCP_STATS_INC(tcp.err);
+    tcp_seg_free(seg);
+    return NULL;
+  }
+  seg->tcphdr = (struct tcp_hdr *)seg->p->payload;
+  seg->tcphdr->src = htons(pcb->local_port);
+  seg->tcphdr->dest = htons(pcb->remote_port);
+  seg->tcphdr->seqno = htonl(seqno);
+  /* ackno is set in tcp_output */
+  TCPH_HDRLEN_FLAGS_SET(seg->tcphdr, (5 + optlen / 4), flags);
+  /* wnd and chksum are set in tcp_output */
+  seg->tcphdr->urgp = 0;
+  return seg;
+} 
+
+/**
+ * Allocate a PBUF_RAM pbuf, perhaps with extra space at the end.
+ *
+ * This function is like pbuf_alloc(layer, length, PBUF_RAM) except
+ * there may be extra bytes available at the end.
+ *
+ * @param layer flag to define header size.
+ * @param length size of the pbuf's payload.
+ * @param max_length maximum usable size of payload+oversize.
+ * @param oversize pointer to a u16_t that will receive the number of usable tail bytes.
+ * @param pcb The TCP connection that willo enqueue the pbuf.
+ * @param apiflags API flags given to tcp_write.
+ * @param first_seg true when this pbuf will be used in the first enqueued segment.
+ * @param 
+ */
+#if TCP_OVERSIZE
+static struct pbuf *
+tcp_pbuf_prealloc(pbuf_layer layer, u16_t length, u16_t max_length,
+                  u16_t *oversize, struct tcp_pcb *pcb, u8_t apiflags,
+                  u8_t first_seg)
+{
+  struct pbuf *p;
+  u16_t alloc = length;
+
+#if LWIP_NETIF_TX_SINGLE_PBUF
+  LWIP_UNUSED_ARG(max_length);
+  LWIP_UNUSED_ARG(pcb);
+  LWIP_UNUSED_ARG(apiflags);
+  LWIP_UNUSED_ARG(first_seg);
+  /* always create MSS-sized pbufs */
+  alloc = TCP_MSS;
+#else /* LWIP_NETIF_TX_SINGLE_PBUF */
+  if (length < max_length) {
+    /* Should we allocate an oversized pbuf, or just the minimum
+     * length required? If tcp_write is going to be called again
+     * before this segment is transmitted, we want the oversized
+     * buffer. If the segment will be transmitted immediately, we can
+     * save memory by allocating only length. We use a simple
+     * heuristic based on the following information:
+     *
+     * Did the user set TCP_WRITE_FLAG_MORE?
+     *
+     * Will the Nagle algorithm defer transmission of this segment?
+     */
+    if ((apiflags & TCP_WRITE_FLAG_MORE) ||
+        (!(pcb->flags & TF_NODELAY) &&
+         (!first_seg ||
+          pcb->unsent != NULL ||
+          pcb->unacked != NULL))) {
+      alloc = LWIP_MIN(max_length, LWIP_MEM_ALIGN_SIZE(length + TCP_OVERSIZE));
+    }
+  }
+#endif /* LWIP_NETIF_TX_SINGLE_PBUF */
+  p = pbuf_alloc(layer, alloc, PBUF_RAM);
+  if (p == NULL) {
+    return NULL;
+  }
+  LWIP_ASSERT("need unchained pbuf", p->next == NULL);
+  *oversize = p->len - length;
+  /* trim p->len to the currently used size */
+  p->len = p->tot_len = length;
+  return p;
+}
+#else /* TCP_OVERSIZE */
+#define tcp_pbuf_prealloc(layer, length, mx, os, pcb, api, fst) pbuf_alloc((layer), (length), PBUF_RAM)
+#endif /* TCP_OVERSIZE */
+
+#if TCP_CHECKSUM_ON_COPY
+/** Add a checksum of newly added data to the segment */
+static void
+tcp_seg_add_chksum(u16_t chksum, u16_t len, u16_t *seg_chksum,
+                   u8_t *seg_chksum_swapped)
+{
+  u32_t helper;
+  /* add chksum to old chksum and fold to u16_t */
+  helper = chksum + *seg_chksum;
+  chksum = FOLD_U32T(helper);
+  if ((len & 1) != 0) {
+    *seg_chksum_swapped = 1 - *seg_chksum_swapped;
+    chksum = SWAP_BYTES_IN_WORD(chksum);
+  }
+  *seg_chksum = chksum;
+}
+#endif /* TCP_CHECKSUM_ON_COPY */
+
+/** Checks if tcp_write is allowed or not (checks state, snd_buf and snd_queuelen).
+ *
+ * @param pcb the tcp pcb to check for
+ * @param len length of data to send (checked agains snd_buf)
+ * @return ERR_OK if tcp_write is allowed to proceed, another err_t otherwise
+ */
+static err_t
+tcp_write_checks(struct tcp_pcb *pcb, u16_t len)
+{
+  /* connection is in invalid state for data transmission? */
+  if ((pcb->state != ESTABLISHED) &&
+      (pcb->state != CLOSE_WAIT) &&
+      (pcb->state != SYN_SENT) &&
+      (pcb->state != SYN_RCVD)) {
+    LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_STATE | LWIP_DBG_LEVEL_SEVERE, ("tcp_write() called in invalid state\n"));
+    return ERR_CONN;
+  } else if (len == 0) {
+    return ERR_OK;
+  }
+
+  /* fail on too much data */
+  if (len > pcb->snd_buf) {
+    LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 3, ("tcp_write: too much data (len=%"U16_F" > snd_buf=%"U16_F")\n",
+      len, pcb->snd_buf));
+    pcb->flags |= TF_NAGLEMEMERR;
+    return ERR_MEM;
+  }
+
+  LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_write: queuelen: %"U16_F"\n", (u16_t)pcb->snd_queuelen));
+
+  /* If total number of pbufs on the unsent/unacked queues exceeds the
+   * configured maximum, return an error */
+  /* check for configured max queuelen and possible overflow */
+  if ((pcb->snd_queuelen >= TCP_SND_QUEUELEN) || (pcb->snd_queuelen > TCP_SNDQUEUELEN_OVERFLOW)) {
+    LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 3, ("tcp_write: too long queue %"U16_F" (max %"U16_F")\n",
+      pcb->snd_queuelen, TCP_SND_QUEUELEN));
+    TCP_STATS_INC(tcp.memerr);
+    pcb->flags |= TF_NAGLEMEMERR;
+    return ERR_MEM;
+  }
+  if (pcb->snd_queuelen != 0) {
+    LWIP_ASSERT("tcp_write: pbufs on queue => at least one queue non-empty",
+      pcb->unacked != NULL || pcb->unsent != NULL);
+  } else {
+    LWIP_ASSERT("tcp_write: no pbufs on queue => both queues empty",
+      pcb->unacked == NULL && pcb->unsent == NULL);
+  }
+  return ERR_OK;
+}
+
+/**
+ * Write data for sending (but does not send it immediately).
+ *
+ * It waits in the expectation of more data being sent soon (as
+ * it can send them more efficiently by combining them together).
+ * To prompt the system to send data now, call tcp_output() after
+ * calling tcp_write().
+ *
+ * @param pcb Protocol control block for the TCP connection to enqueue data for.
+ * @param arg Pointer to the data to be enqueued for sending.
+ * @param len Data length in bytes
+ * @param apiflags combination of following flags :
+ * - TCP_WRITE_FLAG_COPY (0x01) data will be copied into memory belonging to the stack
+ * - TCP_WRITE_FLAG_MORE (0x02) for TCP connection, PSH flag will be set on last segment sent,
+ * @return ERR_OK if enqueued, another err_t on error
+ */
+err_t
+tcp_write(struct tcp_pcb *pcb, const void *arg, u16_t len, u8_t apiflags)
+{
+  struct pbuf *concat_p = NULL;
+  struct tcp_seg *last_unsent = NULL, *seg = NULL, *prev_seg = NULL, *queue = NULL;
+  u16_t pos = 0; /* position in 'arg' data */
+  u16_t queuelen;
+  u8_t optlen = 0;
+  u8_t optflags = 0;
+#if TCP_OVERSIZE
+  u16_t oversize = 0;
+  u16_t oversize_used = 0;
+#endif /* TCP_OVERSIZE */
+#if TCP_CHECKSUM_ON_COPY
+  u16_t concat_chksum = 0;
+  u8_t concat_chksum_swapped = 0;
+  u16_t concat_chksummed = 0;
+#endif /* TCP_CHECKSUM_ON_COPY */
+  err_t err;
+
+#if LWIP_NETIF_TX_SINGLE_PBUF
+  /* Always copy to try to create single pbufs for TX */
+  apiflags |= TCP_WRITE_FLAG_COPY;
+#endif /* LWIP_NETIF_TX_SINGLE_PBUF */
+
+  LWIP_DEBUGF(TCP_OUTPUT_DEBUG, ("tcp_write(pcb=%p, data=%p, len=%"U16_F", apiflags=%"U16_F")\n",
+    (void *)pcb, arg, len, (u16_t)apiflags));
+  LWIP_ERROR("tcp_write: arg == NULL (programmer violates API)", 
+             arg != NULL, return ERR_ARG;);
+
+  err = tcp_write_checks(pcb, len);
+  if (err != ERR_OK) {
+    return err;
+  }
+  queuelen = pcb->snd_queuelen;
+
+#if LWIP_TCP_TIMESTAMPS
+  if ((pcb->flags & TF_TIMESTAMP)) {
+    optflags = TF_SEG_OPTS_TS;
+    optlen = LWIP_TCP_OPT_LENGTH(TF_SEG_OPTS_TS);
+  }
+#endif /* LWIP_TCP_TIMESTAMPS */
+
+
+  /*
+   * TCP segmentation is done in three phases with increasing complexity:
+   *
+   * 1. Copy data directly into an oversized pbuf.
+   * 2. Chain a new pbuf to the end of pcb->unsent.
+   * 3. Create new segments.
+   *
+   * We may run out of memory at any point. In that case we must
+   * return ERR_MEM and not change anything in pcb. Therefore, all
+   * changes are recorded in local variables and committed at the end
+   * of the function. Some pcb fields are maintained in local copies:
+   *
+   * queuelen = pcb->snd_queuelen
+   * oversize = pcb->unsent_oversize
+   *
+   * These variables are set consistently by the phases:
+   *
+   * seg points to the last segment tampered with.
+   *
+   * pos records progress as data is segmented.
+   */
+
+  /* Find the tail of the unsent queue. */
+  if (pcb->unsent != NULL) {
+    u16_t space;
+    u16_t unsent_optlen;
+
+    /* @todo: this could be sped up by keeping last_unsent in the pcb */
+    for (last_unsent = pcb->unsent; last_unsent->next != NULL;
+         last_unsent = last_unsent->next);
+
+    /* Usable space at the end of the last unsent segment */
+    unsent_optlen = LWIP_TCP_OPT_LENGTH(last_unsent->flags);
+    space = pcb->mss - (last_unsent->len + unsent_optlen);
+
+    /*
+     * Phase 1: Copy data directly into an oversized pbuf.
+     *
+     * The number of bytes copied is recorded in the oversize_used
+     * variable. The actual copying is done at the bottom of the
+     * function.
+     */
+#if TCP_OVERSIZE
+#if TCP_OVERSIZE_DBGCHECK
+    /* check that pcb->unsent_oversize matches last_unsent->unsent_oversize */
+    LWIP_ASSERT("unsent_oversize mismatch (pcb vs. last_unsent)",
+                pcb->unsent_oversize == last_unsent->oversize_left);
+#endif /* TCP_OVERSIZE_DBGCHECK */
+    oversize = pcb->unsent_oversize;
+    if (oversize > 0) {
+      LWIP_ASSERT("inconsistent oversize vs. space", oversize_used <= space);
+      seg = last_unsent;
+      oversize_used = oversize < len ? oversize : len;
+      pos += oversize_used;
+      oversize -= oversize_used;
+      space -= oversize_used;
+    }
+    /* now we are either finished or oversize is zero */
+    LWIP_ASSERT("inconsistend oversize vs. len", (oversize == 0) || (pos == len));
+#endif /* TCP_OVERSIZE */
+
+    /*
+     * Phase 2: Chain a new pbuf to the end of pcb->unsent.
+     *
+     * We don't extend segments containing SYN/FIN flags or options
+     * (len==0). The new pbuf is kept in concat_p and pbuf_cat'ed at
+     * the end.
+     */
+    if ((pos < len) && (space > 0) && (last_unsent->len > 0)) {
+      u16_t seglen = space < len - pos ? space : len - pos;
+      seg = last_unsent;
+
+      /* Create a pbuf with a copy or reference to seglen bytes. We
+       * can use PBUF_RAW here since the data appears in the middle of
+       * a segment. A header will never be prepended. */
+      if (apiflags & TCP_WRITE_FLAG_COPY) {
+        /* Data is copied */
+        if ((concat_p = tcp_pbuf_prealloc(PBUF_RAW, seglen, space, &oversize, pcb, apiflags, 1)) == NULL) {
+          LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2,
+                      ("tcp_write : could not allocate memory for pbuf copy size %"U16_F"\n",
+                       seglen));
+          goto memerr;
+        }
+#if TCP_OVERSIZE_DBGCHECK
+        last_unsent->oversize_left = oversize;
+#endif /* TCP_OVERSIZE_DBGCHECK */
+        TCP_DATA_COPY2(concat_p->payload, (u8_t*)arg + pos, seglen, &concat_chksum, &concat_chksum_swapped);
+#if TCP_CHECKSUM_ON_COPY
+        concat_chksummed += seglen;
+#endif /* TCP_CHECKSUM_ON_COPY */
+      } else {
+        /* Data is not copied */
+        if ((concat_p = pbuf_alloc(PBUF_RAW, seglen, PBUF_ROM)) == NULL) {
+          LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2,
+                      ("tcp_write: could not allocate memory for zero-copy pbuf\n"));
+          goto memerr;
+        }
+#if TCP_CHECKSUM_ON_COPY
+        /* calculate the checksum of nocopy-data */
+        tcp_seg_add_chksum(~inet_chksum((u8_t*)arg + pos, seglen), seglen,
+          &concat_chksum, &concat_chksum_swapped);
+        concat_chksummed += seglen;
+#endif /* TCP_CHECKSUM_ON_COPY */
+        /* reference the non-volatile payload data */
+        concat_p->payload = (u8_t*)arg + pos;
+      }
+
+      pos += seglen;
+      queuelen += pbuf_clen(concat_p);
+    }
+  } else {
+#if TCP_OVERSIZE
+    LWIP_ASSERT("unsent_oversize mismatch (pcb->unsent is NULL)",
+                pcb->unsent_oversize == 0);
+#endif /* TCP_OVERSIZE */
+  }
+
+  /*
+   * Phase 3: Create new segments.
+   *
+   * The new segments are chained together in the local 'queue'
+   * variable, ready to be appended to pcb->unsent.
+   */
+  while (pos < len) {
+    struct pbuf *p;
+    u16_t left = len - pos;
+    u16_t max_len = pcb->mss - optlen;
+    u16_t seglen = left > max_len ? max_len : left;
+#if TCP_CHECKSUM_ON_COPY
+    u16_t chksum = 0;
+    u8_t chksum_swapped = 0;
+#endif /* TCP_CHECKSUM_ON_COPY */
+
+    if (apiflags & TCP_WRITE_FLAG_COPY) {
+      /* If copy is set, memory should be allocated and data copied
+       * into pbuf */
+      if ((p = tcp_pbuf_prealloc(PBUF_TRANSPORT, seglen + optlen, pcb->mss, &oversize, pcb, apiflags, queue == NULL)) == NULL) {
+        LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2, ("tcp_write : could not allocate memory for pbuf copy size %"U16_F"\n", seglen));
+        goto memerr;
+      }
+      LWIP_ASSERT("tcp_write: check that first pbuf can hold the complete seglen",
+                  (p->len >= seglen));
+      TCP_DATA_COPY2((char *)p->payload + optlen, (u8_t*)arg + pos, seglen, &chksum, &chksum_swapped);
+    } else {
+      /* Copy is not set: First allocate a pbuf for holding the data.
+       * Since the referenced data is available at least until it is
+       * sent out on the link (as it has to be ACKed by the remote
+       * party) we can safely use PBUF_ROM instead of PBUF_REF here.
+       */
+      struct pbuf *p2;
+#if TCP_OVERSIZE
+      LWIP_ASSERT("oversize == 0", oversize == 0);
+#endif /* TCP_OVERSIZE */
+      if ((p2 = pbuf_alloc(PBUF_TRANSPORT, seglen, PBUF_ROM)) == NULL) {
+        LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2, ("tcp_write: could not allocate memory for zero-copy pbuf\n"));
+        goto memerr;
+      }
+#if TCP_CHECKSUM_ON_COPY
+      /* calculate the checksum of nocopy-data */
+      chksum = ~inet_chksum((u8_t*)arg + pos, seglen);
+#endif /* TCP_CHECKSUM_ON_COPY */
+      /* reference the non-volatile payload data */
+      p2->payload = (u8_t*)arg + pos;
+
+      /* Second, allocate a pbuf for the headers. */
+      if ((p = pbuf_alloc(PBUF_TRANSPORT, optlen, PBUF_RAM)) == NULL) {
+        /* If allocation fails, we have to deallocate the data pbuf as
+         * well. */
+        pbuf_free(p2);
+        LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2, ("tcp_write: could not allocate memory for header pbuf\n"));
+        goto memerr;
+      }
+      /* Concatenate the headers and data pbufs together. */
+      pbuf_cat(p/*header*/, p2/*data*/);
+    }
+
+    queuelen += pbuf_clen(p);
+
+    /* Now that there are more segments queued, we check again if the
+     * length of the queue exceeds the configured maximum or
+     * overflows. */
+    if ((queuelen > TCP_SND_QUEUELEN) || (queuelen > TCP_SNDQUEUELEN_OVERFLOW)) {
+      LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 2, ("tcp_write: queue too long %"U16_F" (%"U16_F")\n", queuelen, TCP_SND_QUEUELEN));
+      pbuf_free(p);
+      goto memerr;
+    }
+
+    if ((seg = tcp_create_segment(pcb, p, 0, pcb->snd_lbb + pos, optflags)) == NULL) {
+      goto memerr;
+    }
+#if TCP_OVERSIZE_DBGCHECK
+    seg->oversize_left = oversize;
+#endif /* TCP_OVERSIZE_DBGCHECK */
+#if TCP_CHECKSUM_ON_COPY
+    seg->chksum = chksum;
+    seg->chksum_swapped = chksum_swapped;
+    seg->flags |= TF_SEG_DATA_CHECKSUMMED;
+#endif /* TCP_CHECKSUM_ON_COPY */
+
+    /* first segment of to-be-queued data? */
+    if (queue == NULL) {
+      queue = seg;
+    } else {
+      /* Attach the segment to the end of the queued segments */
+      LWIP_ASSERT("prev_seg != NULL", prev_seg != NULL);
+      prev_seg->next = seg;
+    }
+    /* remember last segment of to-be-queued data for next iteration */
+    prev_seg = seg;
+
+    LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_TRACE, ("tcp_write: queueing %"U32_F":%"U32_F"\n",
+      ntohl(seg->tcphdr->seqno),
+      ntohl(seg->tcphdr->seqno) + TCP_TCPLEN(seg)));
+
+    pos += seglen;
+  }
+
+  /*
+   * All three segmentation phases were successful. We can commit the
+   * transaction.
+   */
+
+  /*
+   * Phase 1: If data has been added to the preallocated tail of
+   * last_unsent, we update the length fields of the pbuf chain.
+   */
+#if TCP_OVERSIZE
+  if (oversize_used > 0) {
+    struct pbuf *p;
+    /* Bump tot_len of whole chain, len of tail */
+    for (p = last_unsent->p; p; p = p->next) {
+      p->tot_len += oversize_used;
+      if (p->next == NULL) {
+        TCP_DATA_COPY((char *)p->payload + p->len, arg, oversize_used, last_unsent);
+        p->len += oversize_used;
+      }
+    }
+    last_unsent->len += oversize_used;
+#if TCP_OVERSIZE_DBGCHECK
+    last_unsent->oversize_left -= oversize_used;
+#endif /* TCP_OVERSIZE_DBGCHECK */
+  }
+  pcb->unsent_oversize = oversize;
+#endif /* TCP_OVERSIZE */
+
+  /*
+   * Phase 2: concat_p can be concatenated onto last_unsent->p
+   */
+  if (concat_p != NULL) {
+    LWIP_ASSERT("tcp_write: cannot concatenate when pcb->unsent is empty",
+      (last_unsent != NULL));
+    pbuf_cat(last_unsent->p, concat_p);
+    last_unsent->len += concat_p->tot_len;
+#if TCP_CHECKSUM_ON_COPY
+    if (concat_chksummed) {
+      tcp_seg_add_chksum(concat_chksum, concat_chksummed, &last_unsent->chksum,
+        &last_unsent->chksum_swapped);
+      last_unsent->flags |= TF_SEG_DATA_CHECKSUMMED;
+    }
+#endif /* TCP_CHECKSUM_ON_COPY */
+  }
+
+  /*
+   * Phase 3: Append queue to pcb->unsent. Queue may be NULL, but that
+   * is harmless
+   */
+  if (last_unsent == NULL) {
+    pcb->unsent = queue;
+  } else {
+    last_unsent->next = queue;
+  }
+
+  /*
+   * Finally update the pcb state.
+   */
+  pcb->snd_lbb += len;
+  pcb->snd_buf -= len;
+  pcb->snd_queuelen = queuelen;
+
+  LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_write: %"S16_F" (after enqueued)\n",
+    pcb->snd_queuelen));
+  if (pcb->snd_queuelen != 0) {
+    LWIP_ASSERT("tcp_write: valid queue length",
+                pcb->unacked != NULL || pcb->unsent != NULL);
+  }
+
+  /* Set the PSH flag in the last segment that we enqueued. */
+  if (seg != NULL && seg->tcphdr != NULL && ((apiflags & TCP_WRITE_FLAG_MORE)==0)) {
+    TCPH_SET_FLAG(seg->tcphdr, TCP_PSH);
+  }
+
+  return ERR_OK;
+memerr:
+  pcb->flags |= TF_NAGLEMEMERR;
+  TCP_STATS_INC(tcp.memerr);
+
+  if (concat_p != NULL) {
+    pbuf_free(concat_p);
+  }
+  if (queue != NULL) {
+    tcp_segs_free(queue);
+  }
+  if (pcb->snd_queuelen != 0) {
+    LWIP_ASSERT("tcp_write: valid queue length", pcb->unacked != NULL ||
+      pcb->unsent != NULL);
+  }
+  LWIP_DEBUGF(TCP_QLEN_DEBUG | LWIP_DBG_STATE, ("tcp_write: %"S16_F" (with mem err)\n", pcb->snd_queuelen));
+  return ERR_MEM;
+}
+
+/**
+ * Enqueue TCP options for transmission.
+ *
+ * Called by tcp_connect(), tcp_listen_input(), and tcp_send_ctrl().
+ *
+ * @param pcb Protocol control block for the TCP connection.
+ * @param flags TCP header flags to set in the outgoing segment.
+ * @param optdata pointer to TCP options, or NULL.
+ * @param optlen length of TCP options in bytes.
+ */
+err_t
+tcp_enqueue_flags(struct tcp_pcb *pcb, u8_t flags)
+{
+  struct pbuf *p;
+  struct tcp_seg *seg;
+  u8_t optflags = 0;
+  u8_t optlen = 0;
+
+  LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_enqueue_flags: queuelen: %"U16_F"\n", (u16_t)pcb->snd_queuelen));
+
+  LWIP_ASSERT("tcp_enqueue_flags: need either TCP_SYN or TCP_FIN in flags (programmer violates API)",
+              (flags & (TCP_SYN | TCP_FIN)) != 0);
+
+  /* check for configured max queuelen and possible overflow */
+  if ((pcb->snd_queuelen >= TCP_SND_QUEUELEN) || (pcb->snd_queuelen > TCP_SNDQUEUELEN_OVERFLOW)) {
+    LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 3, ("tcp_enqueue_flags: too long queue %"U16_F" (max %"U16_F")\n",
+                                       pcb->snd_queuelen, TCP_SND_QUEUELEN));
+    TCP_STATS_INC(tcp.memerr);
+    pcb->flags |= TF_NAGLEMEMERR;
+    return ERR_MEM;
+  }
+
+  if (flags & TCP_SYN) {
+    optflags = TF_SEG_OPTS_MSS;
+  }
+#if LWIP_TCP_TIMESTAMPS
+  if ((pcb->flags & TF_TIMESTAMP)) {
+    optflags |= TF_SEG_OPTS_TS;
+  }
+#endif /* LWIP_TCP_TIMESTAMPS */
+  optlen = LWIP_TCP_OPT_LENGTH(optflags);
+
+  /* tcp_enqueue_flags is always called with either SYN or FIN in flags.
+   * We need one available snd_buf byte to do that.
+   * This means we can't send FIN while snd_buf==0. A better fix would be to
+   * not include SYN and FIN sequence numbers in the snd_buf count. */
+  if (pcb->snd_buf == 0) {
+    LWIP_DEBUGF(TCP_OUTPUT_DEBUG | 3, ("tcp_enqueue_flags: no send buffer available\n"));
+    TCP_STATS_INC(tcp.memerr);
+    return ERR_MEM;
+  }
+
+  /* Allocate pbuf with room for TCP header + options */
+  if ((p = pbuf_alloc(PBUF_TRANSPORT, optlen, PBUF_RAM)) == NULL) {
+    pcb->flags |= TF_NAGLEMEMERR;
+    TCP_STATS_INC(tcp.memerr);
+    return ERR_MEM;
+  }
+  LWIP_ASSERT("tcp_enqueue_flags: check that first pbuf can hold optlen",
+              (p->len >= optlen));
+
+  /* Allocate memory for tcp_seg, and fill in fields. */
+  if ((seg = tcp_create_segment(pcb, p, flags, pcb->snd_lbb, optflags)) == NULL) {
+    pcb->flags |= TF_NAGLEMEMERR;
+    TCP_STATS_INC(tcp.memerr);
+    return ERR_MEM;
+  }
+  LWIP_ASSERT("seg->tcphdr not aligned", ((mem_ptr_t)seg->tcphdr % MEM_ALIGNMENT) == 0);
+  LWIP_ASSERT("tcp_enqueue_flags: invalid segment length", seg->len == 0);
+
+  LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_TRACE,
+              ("tcp_enqueue_flags: queueing %"U32_F":%"U32_F" (0x%"X16_F")\n",
+               ntohl(seg->tcphdr->seqno),
+               ntohl(seg->tcphdr->seqno) + TCP_TCPLEN(seg),
+               (u16_t)flags));
+
+  /* Now append seg to pcb->unsent queue */
+  if (pcb->unsent == NULL) {
+    pcb->unsent = seg;
+  } else {
+    struct tcp_seg *useg;
+    for (useg = pcb->unsent; useg->next != NULL; useg = useg->next);
+    useg->next = seg;
+  }
+#if TCP_OVERSIZE
+  /* The new unsent tail has no space */
+  pcb->unsent_oversize = 0;
+#endif /* TCP_OVERSIZE */
+
+  /* SYN and FIN bump the sequence number */
+  if ((flags & TCP_SYN) || (flags & TCP_FIN)) {
+    pcb->snd_lbb++;
+    /* optlen does not influence snd_buf */
+    pcb->snd_buf--;
+  }
+  if (flags & TCP_FIN) {
+    pcb->flags |= TF_FIN;
+  }
+
+  /* update number of segments on the queues */
+  pcb->snd_queuelen += pbuf_clen(seg->p);
+  LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_enqueue_flags: %"S16_F" (after enqueued)\n", pcb->snd_queuelen));
+  if (pcb->snd_queuelen != 0) {
+    LWIP_ASSERT("tcp_enqueue_flags: invalid queue length",
+      pcb->unacked != NULL || pcb->unsent != NULL);
+  }
+
+  return ERR_OK;
+}
+ 
+
+#if LWIP_TCP_TIMESTAMPS
+/* Build a timestamp option (12 bytes long) at the specified options pointer)
+ *
+ * @param pcb tcp_pcb
+ * @param opts option pointer where to store the timestamp option
+ */
+static void
+tcp_build_timestamp_option(struct tcp_pcb *pcb, u32_t *opts)
+{
+  /* Pad with two NOP options to make everything nicely aligned */
+  opts[0] = PP_HTONL(0x0101080A);
+  opts[1] = htonl(sys_now());
+  opts[2] = htonl(pcb->ts_recent);
+}
+#endif
+
+/** Send an ACK without data.
+ *
+ * @param pcb Protocol control block for the TCP connection to send the ACK
+ */
+err_t
+tcp_send_empty_ack(struct tcp_pcb *pcb)
+{
+  struct pbuf *p;
+  struct tcp_hdr *tcphdr;
+  u8_t optlen = 0;
+
+#if LWIP_TCP_TIMESTAMPS
+  if (pcb->flags & TF_TIMESTAMP) {
+    optlen = LWIP_TCP_OPT_LENGTH(TF_SEG_OPTS_TS);
+  }
+#endif
+
+  p = tcp_output_alloc_header(pcb, optlen, 0, htonl(pcb->snd_nxt));
+  if (p == NULL) {
+    LWIP_DEBUGF(TCP_OUTPUT_DEBUG, ("tcp_output: (ACK) could not allocate pbuf\n"));
+    return ERR_BUF;
+  }
+  tcphdr = (struct tcp_hdr *)p->payload;
+  LWIP_DEBUGF(TCP_OUTPUT_DEBUG, 
+              ("tcp_output: sending ACK for %"U32_F"\n", pcb->rcv_nxt));
+  /* remove ACK flags from the PCB, as we send an empty ACK now */
+  pcb->flags &= ~(TF_ACK_DELAY | TF_ACK_NOW);
+
+  /* NB. MSS option is only sent on SYNs, so ignore it here */
+#if LWIP_TCP_TIMESTAMPS
+  pcb->ts_lastacksent = pcb->rcv_nxt;
+
+  if (pcb->flags & TF_TIMESTAMP) {
+    tcp_build_timestamp_option(pcb, (u32_t *)(tcphdr + 1));
+  }
+#endif 
+
+#if CHECKSUM_GEN_TCP
+  tcphdr->chksum = inet_chksum_pseudo(p, &(pcb->local_ip), &(pcb->remote_ip),
+        IP_PROTO_TCP, p->tot_len);
+#endif
+#if LWIP_NETIF_HWADDRHINT
+  ip_output_hinted(p, &(pcb->local_ip), &(pcb->remote_ip), pcb->ttl, pcb->tos,
+      IP_PROTO_TCP, &(pcb->addr_hint));
+#else /* LWIP_NETIF_HWADDRHINT*/
+  ip_output(p, &(pcb->local_ip), &(pcb->remote_ip), pcb->ttl, pcb->tos,
+      IP_PROTO_TCP);
+#endif /* LWIP_NETIF_HWADDRHINT*/
+  pbuf_free(p);
+
+  return ERR_OK;
+}
+
+/**
+ * Find out what we can send and send it
+ *
+ * @param pcb Protocol control block for the TCP connection to send data
+ * @return ERR_OK if data has been sent or nothing to send
+ *         another err_t on error
+ */
+err_t
+tcp_output(struct tcp_pcb *pcb)
+{
+  struct tcp_seg *seg, *useg;
+  u32_t wnd, snd_nxt;
+#if TCP_CWND_DEBUG
+  s16_t i = 0;
+#endif /* TCP_CWND_DEBUG */
+
+  /* First, check if we are invoked by the TCP input processing
+     code. If so, we do not output anything. Instead, we rely on the
+     input processing code to call us when input processing is done
+     with. */
+  if (tcp_input_pcb == pcb) {
+    return ERR_OK;
+  }
+
+  wnd = LWIP_MIN(pcb->snd_wnd, pcb->cwnd);
+
+  seg = pcb->unsent;
+
+  /* If the TF_ACK_NOW flag is set and no data will be sent (either
+   * because the ->unsent queue is empty or because the window does
+   * not allow it), construct an empty ACK segment and send it.
+   *
+   * If data is to be sent, we will just piggyback the ACK (see below).
+   */
+  if (pcb->flags & TF_ACK_NOW &&
+     (seg == NULL ||
+      ntohl(seg->tcphdr->seqno) - pcb->lastack + seg->len > wnd)) {
+     return tcp_send_empty_ack(pcb);
+  }
+
+  /* useg should point to last segment on unacked queue */
+  useg = pcb->unacked;
+  if (useg != NULL) {
+    for (; useg->next != NULL; useg = useg->next);
+  }
+
+#if TCP_OUTPUT_DEBUG
+  if (seg == NULL) {
+    LWIP_DEBUGF(TCP_OUTPUT_DEBUG, ("tcp_output: nothing to send (%p)\n",
+                                   (void*)pcb->unsent));
+  }
+#endif /* TCP_OUTPUT_DEBUG */
+#if TCP_CWND_DEBUG
+  if (seg == NULL) {
+    LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_output: snd_wnd %"U16_F
+                                 ", cwnd %"U16_F", wnd %"U32_F
+                                 ", seg == NULL, ack %"U32_F"\n",
+                                 pcb->snd_wnd, pcb->cwnd, wnd, pcb->lastack));
+  } else {
+    LWIP_DEBUGF(TCP_CWND_DEBUG, 
+                ("tcp_output: snd_wnd %"U16_F", cwnd %"U16_F", wnd %"U32_F
+                 ", effwnd %"U32_F", seq %"U32_F", ack %"U32_F"\n",
+                 pcb->snd_wnd, pcb->cwnd, wnd,
+                 ntohl(seg->tcphdr->seqno) - pcb->lastack + seg->len,
+                 ntohl(seg->tcphdr->seqno), pcb->lastack));
+  }
+#endif /* TCP_CWND_DEBUG */
+  /* data available and window allows it to be sent? */
+  while (seg != NULL &&
+         ntohl(seg->tcphdr->seqno) - pcb->lastack + seg->len <= wnd) {
+    LWIP_ASSERT("RST not expected here!", 
+                (TCPH_FLAGS(seg->tcphdr) & TCP_RST) == 0);
+    /* Stop sending if the nagle algorithm would prevent it
+     * Don't stop:
+     * - if tcp_write had a memory error before (prevent delayed ACK timeout) or
+     * - if FIN was already enqueued for this PCB (SYN is always alone in a segment -
+     *   either seg->next != NULL or pcb->unacked == NULL;
+     *   RST is no sent using tcp_write/tcp_output.
+     */
+    if((tcp_do_output_nagle(pcb) == 0) &&
+      ((pcb->flags & (TF_NAGLEMEMERR | TF_FIN)) == 0)){
+      break;
+    }
+#if TCP_CWND_DEBUG
+    LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_output: snd_wnd %"U16_F", cwnd %"U16_F", wnd %"U32_F", effwnd %"U32_F", seq %"U32_F", ack %"U32_F", i %"S16_F"\n",
+                            pcb->snd_wnd, pcb->cwnd, wnd,
+                            ntohl(seg->tcphdr->seqno) + seg->len -
+                            pcb->lastack,
+                            ntohl(seg->tcphdr->seqno), pcb->lastack, i));
+    ++i;
+#endif /* TCP_CWND_DEBUG */
+
+    pcb->unsent = seg->next;
+
+    if (pcb->state != SYN_SENT) {
+      TCPH_SET_FLAG(seg->tcphdr, TCP_ACK);
+      pcb->flags &= ~(TF_ACK_DELAY | TF_ACK_NOW);
+    }
+
+    tcp_output_segment(seg, pcb);
+    snd_nxt = ntohl(seg->tcphdr->seqno) + TCP_TCPLEN(seg);
+    if (TCP_SEQ_LT(pcb->snd_nxt, snd_nxt)) {
+      pcb->snd_nxt = snd_nxt;
+    }
+    /* put segment on unacknowledged list if length > 0 */
+    if (TCP_TCPLEN(seg) > 0) {
+      seg->next = NULL;
+      /* unacked list is empty? */
+      if (pcb->unacked == NULL) {
+        pcb->unacked = seg;
+        useg = seg;
+      /* unacked list is not empty? */
+      } else {
+        /* In the case of fast retransmit, the packet should not go to the tail
+         * of the unacked queue, but rather somewhere before it. We need to check for
+         * this case. -STJ Jul 27, 2004 */
+        if (TCP_SEQ_LT(ntohl(seg->tcphdr->seqno), ntohl(useg->tcphdr->seqno))) {
+          /* add segment to before tail of unacked list, keeping the list sorted */
+          struct tcp_seg **cur_seg = &(pcb->unacked);
+          while (*cur_seg &&
+            TCP_SEQ_LT(ntohl((*cur_seg)->tcphdr->seqno), ntohl(seg->tcphdr->seqno))) {
+              cur_seg = &((*cur_seg)->next );
+          }
+          seg->next = (*cur_seg);
+          (*cur_seg) = seg;
+        } else {
+          /* add segment to tail of unacked list */
+          useg->next = seg;
+          useg = useg->next;
+        }
+      }
+    /* do not queue empty segments on the unacked list */
+    } else {
+      tcp_seg_free(seg);
+    }
+    seg = pcb->unsent;
+  }
+#if TCP_OVERSIZE
+  if (pcb->unsent == NULL) {
+    /* last unsent has been removed, reset unsent_oversize */
+    pcb->unsent_oversize = 0;
+  }
+#endif /* TCP_OVERSIZE */
+
+  if (seg != NULL && pcb->persist_backoff == 0 && 
+      ntohl(seg->tcphdr->seqno) - pcb->lastack + seg->len > pcb->snd_wnd) {
+    /* prepare for persist timer */
+    pcb->persist_cnt = 0;
+    pcb->persist_backoff = 1;
+  }
+
+  pcb->flags &= ~TF_NAGLEMEMERR;
+  return ERR_OK;
+}
+
+/**
+ * Called by tcp_output() to actually send a TCP segment over IP.
+ *
+ * @param seg the tcp_seg to send
+ * @param pcb the tcp_pcb for the TCP connection used to send the segment
+ */
+static void
+tcp_output_segment(struct tcp_seg *seg, struct tcp_pcb *pcb)
+{
+  u16_t len;
+  struct netif *netif;
+  u32_t *opts;
+
+  /** @bug Exclude retransmitted segments from this count. */
+  snmp_inc_tcpoutsegs();
+
+  /* The TCP header has already been constructed, but the ackno and
+   wnd fields remain. */
+  seg->tcphdr->ackno = htonl(pcb->rcv_nxt);
+
+  /* advertise our receive window size in this TCP segment */
+  seg->tcphdr->wnd = htons(pcb->rcv_ann_wnd);
+
+  pcb->rcv_ann_right_edge = pcb->rcv_nxt + pcb->rcv_ann_wnd;
+
+  /* Add any requested options.  NB MSS option is only set on SYN
+     packets, so ignore it here */
+  LWIP_ASSERT("seg->tcphdr not aligned", ((mem_ptr_t)seg->tcphdr % MEM_ALIGNMENT) == 0);
+  opts = (u32_t *)(void *)(seg->tcphdr + 1);
+  if (seg->flags & TF_SEG_OPTS_MSS) {
+    TCP_BUILD_MSS_OPTION(*opts);
+    opts += 1;
+  }
+#if LWIP_TCP_TIMESTAMPS
+  pcb->ts_lastacksent = pcb->rcv_nxt;
+
+  if (seg->flags & TF_SEG_OPTS_TS) {
+    tcp_build_timestamp_option(pcb, opts);
+    opts += 3;
+  }
+#endif
+
+  /* Set retransmission timer running if it is not currently enabled 
+     This must be set before checking the route. */
+  if (pcb->rtime == -1) {
+    pcb->rtime = 0;
+  }
+
+  /* If we don't have a local IP address, we get one by
+     calling ip_route(). */
+  if (ip_addr_isany(&(pcb->local_ip))) {
+    netif = ip_route(&(pcb->remote_ip));
+    if (netif == NULL) {
+      return;
+    }
+    ip_addr_copy(pcb->local_ip, netif->ip_addr);
+  }
+
+  if (pcb->rttest == 0) {
+    pcb->rttest = tcp_ticks;
+    pcb->rtseq = ntohl(seg->tcphdr->seqno);
+
+    LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_output_segment: rtseq %"U32_F"\n", pcb->rtseq));
+  }
+  LWIP_DEBUGF(TCP_OUTPUT_DEBUG, ("tcp_output_segment: %"U32_F":%"U32_F"\n",
+          htonl(seg->tcphdr->seqno), htonl(seg->tcphdr->seqno) +
+          seg->len));
+
+  len = (u16_t)((u8_t *)seg->tcphdr - (u8_t *)seg->p->payload);
+
+  seg->p->len -= len;
+  seg->p->tot_len -= len;
+
+  seg->p->payload = seg->tcphdr;
+
+  seg->tcphdr->chksum = 0;
+#if CHECKSUM_GEN_TCP
+#if TCP_CHECKSUM_ON_COPY
+  {
+    u32_t acc;
+#if TCP_CHECKSUM_ON_COPY_SANITY_CHECK
+    u16_t chksum_slow = inet_chksum_pseudo(seg->p, &(pcb->local_ip),
+           &(pcb->remote_ip),
+           IP_PROTO_TCP, seg->p->tot_len);
+#endif /* TCP_CHECKSUM_ON_COPY_SANITY_CHECK */
+    if ((seg->flags & TF_SEG_DATA_CHECKSUMMED) == 0) {
+      LWIP_ASSERT("data included but not checksummed",
+        seg->p->tot_len == (TCPH_HDRLEN(seg->tcphdr) * 4));
+    }
+
+    /* rebuild TCP header checksum (TCP header changes for retransmissions!) */
+    acc = inet_chksum_pseudo_partial(seg->p, &(pcb->local_ip),
+             &(pcb->remote_ip),
+             IP_PROTO_TCP, seg->p->tot_len, TCPH_HDRLEN(seg->tcphdr) * 4);
+    /* add payload checksum */
+    if (seg->chksum_swapped) {
+      seg->chksum = SWAP_BYTES_IN_WORD(seg->chksum);
+      seg->chksum_swapped = 0;
+    }
+    acc += (u16_t)~(seg->chksum);
+    seg->tcphdr->chksum = FOLD_U32T(acc);
+#if TCP_CHECKSUM_ON_COPY_SANITY_CHECK
+    if (chksum_slow != seg->tcphdr->chksum) {
+      LWIP_DEBUGF(TCP_DEBUG | LWIP_DBG_LEVEL_WARNING,
+                  ("tcp_output_segment: calculated checksum is %"X16_F" instead of %"X16_F"\n",
+                  seg->tcphdr->chksum, chksum_slow));
+      seg->tcphdr->chksum = chksum_slow;
+    }
+#endif /* TCP_CHECKSUM_ON_COPY_SANITY_CHECK */
+  }
+#else /* TCP_CHECKSUM_ON_COPY */
+  seg->tcphdr->chksum = inet_chksum_pseudo(seg->p, &(pcb->local_ip),
+         &(pcb->remote_ip),
+         IP_PROTO_TCP, seg->p->tot_len);
+#endif /* TCP_CHECKSUM_ON_COPY */
+#endif /* CHECKSUM_GEN_TCP */
+  TCP_STATS_INC(tcp.xmit);
+
+#if LWIP_NETIF_HWADDRHINT
+  ip_output_hinted(seg->p, &(pcb->local_ip), &(pcb->remote_ip), pcb->ttl, pcb->tos,
+      IP_PROTO_TCP, &(pcb->addr_hint));
+#else /* LWIP_NETIF_HWADDRHINT*/
+  ip_output(seg->p, &(pcb->local_ip), &(pcb->remote_ip), pcb->ttl, pcb->tos,
+      IP_PROTO_TCP);
+#endif /* LWIP_NETIF_HWADDRHINT*/
+}
+
+/**
+ * Send a TCP RESET packet (empty segment with RST flag set) either to
+ * abort a connection or to show that there is no matching local connection
+ * for a received segment.
+ *
+ * Called by tcp_abort() (to abort a local connection), tcp_input() (if no
+ * matching local pcb was found), tcp_listen_input() (if incoming segment
+ * has ACK flag set) and tcp_process() (received segment in the wrong state)
+ *
+ * Since a RST segment is in most cases not sent for an active connection,
+ * tcp_rst() has a number of arguments that are taken from a tcp_pcb for
+ * most other segment output functions.
+ *
+ * @param seqno the sequence number to use for the outgoing segment
+ * @param ackno the acknowledge number to use for the outgoing segment
+ * @param local_ip the local IP address to send the segment from
+ * @param remote_ip the remote IP address to send the segment to
+ * @param local_port the local TCP port to send the segment from
+ * @param remote_port the remote TCP port to send the segment to
+ */
+void
+tcp_rst(u32_t seqno, u32_t ackno,
+  ip_addr_t *local_ip, ip_addr_t *remote_ip,
+  u16_t local_port, u16_t remote_port)
+{
+  struct pbuf *p;
+  struct tcp_hdr *tcphdr;
+  p = pbuf_alloc(PBUF_IP, TCP_HLEN, PBUF_RAM);
+  if (p == NULL) {
+      LWIP_DEBUGF(TCP_DEBUG, ("tcp_rst: could not allocate memory for pbuf\n"));
+      return;
+  }
+  LWIP_ASSERT("check that first pbuf can hold struct tcp_hdr",
+              (p->len >= sizeof(struct tcp_hdr)));
+
+  tcphdr = (struct tcp_hdr *)p->payload;
+  tcphdr->src = htons(local_port);
+  tcphdr->dest = htons(remote_port);
+  tcphdr->seqno = htonl(seqno);
+  tcphdr->ackno = htonl(ackno);
+  TCPH_HDRLEN_FLAGS_SET(tcphdr, TCP_HLEN/4, TCP_RST | TCP_ACK);
+  tcphdr->wnd = PP_HTONS(TCP_WND);
+  tcphdr->chksum = 0;
+  tcphdr->urgp = 0;
+
+#if CHECKSUM_GEN_TCP
+  tcphdr->chksum = inet_chksum_pseudo(p, local_ip, remote_ip,
+              IP_PROTO_TCP, p->tot_len);
+#endif
+  TCP_STATS_INC(tcp.xmit);
+  snmp_inc_tcpoutrsts();
+   /* Send output with hardcoded TTL since we have no access to the pcb */
+  ip_output(p, local_ip, remote_ip, TCP_TTL, 0, IP_PROTO_TCP);
+  pbuf_free(p);
+  LWIP_DEBUGF(TCP_RST_DEBUG, ("tcp_rst: seqno %"U32_F" ackno %"U32_F".\n", seqno, ackno));
+}
+
+/**
+ * Requeue all unacked segments for retransmission
+ *
+ * Called by tcp_slowtmr() for slow retransmission.
+ *
+ * @param pcb the tcp_pcb for which to re-enqueue all unacked segments
+ */
+void
+tcp_rexmit_rto(struct tcp_pcb *pcb)
+{
+  struct tcp_seg *seg;
+
+  if (pcb->unacked == NULL) {
+    return;
+  }
+
+  /* Move all unacked segments to the head of the unsent queue */
+  for (seg = pcb->unacked; seg->next != NULL; seg = seg->next);
+  /* concatenate unsent queue after unacked queue */
+  seg->next = pcb->unsent;
+  /* unsent queue is the concatenated queue (of unacked, unsent) */
+  pcb->unsent = pcb->unacked;
+  /* unacked queue is now empty */
+  pcb->unacked = NULL;
+
+  /* increment number of retransmissions */
+  ++pcb->nrtx;
+
+  /* Don't take any RTT measurements after retransmitting. */
+  pcb->rttest = 0;
+
+  /* Do the actual retransmission */
+  tcp_output(pcb);
+}
+
+/**
+ * Requeue the first unacked segment for retransmission
+ *
+ * Called by tcp_receive() for fast retramsmit.
+ *
+ * @param pcb the tcp_pcb for which to retransmit the first unacked segment
+ */
+void
+tcp_rexmit(struct tcp_pcb *pcb)
+{
+  struct tcp_seg *seg;
+  struct tcp_seg **cur_seg;
+
+  if (pcb->unacked == NULL) {
+    return;
+  }
+
+  /* Move the first unacked segment to the unsent queue */
+  /* Keep the unsent queue sorted. */
+  seg = pcb->unacked;
+  pcb->unacked = seg->next;
+
+  cur_seg = &(pcb->unsent);
+  while (*cur_seg &&
+    TCP_SEQ_LT(ntohl((*cur_seg)->tcphdr->seqno), ntohl(seg->tcphdr->seqno))) {
+      cur_seg = &((*cur_seg)->next );
+  }
+  seg->next = *cur_seg;
+  *cur_seg = seg;
+
+  ++pcb->nrtx;
+
+  /* Don't take any rtt measurements after retransmitting. */
+  pcb->rttest = 0;
+
+  /* Do the actual retransmission. */
+  snmp_inc_tcpretranssegs();
+  /* No need to call tcp_output: we are always called from tcp_input()
+     and thus tcp_output directly returns. */
+}
+
+
+/**
+ * Handle retransmission after three dupacks received
+ *
+ * @param pcb the tcp_pcb for which to retransmit the first unacked segment
+ */
+void 
+tcp_rexmit_fast(struct tcp_pcb *pcb)
+{
+  if (pcb->unacked != NULL && !(pcb->flags & TF_INFR)) {
+    /* This is fast retransmit. Retransmit the first unacked segment. */
+    LWIP_DEBUGF(TCP_FR_DEBUG, 
+                ("tcp_receive: dupacks %"U16_F" (%"U32_F
+                 "), fast retransmit %"U32_F"\n",
+                 (u16_t)pcb->dupacks, pcb->lastack,
+                 ntohl(pcb->unacked->tcphdr->seqno)));
+    tcp_rexmit(pcb);
+
+    /* Set ssthresh to half of the minimum of the current
+     * cwnd and the advertised window */
+    if (pcb->cwnd > pcb->snd_wnd) {
+      pcb->ssthresh = pcb->snd_wnd / 2;
+    } else {
+      pcb->ssthresh = pcb->cwnd / 2;
+    }
+    
+    /* The minimum value for ssthresh should be 2 MSS */
+    if (pcb->ssthresh < 2*pcb->mss) {
+      LWIP_DEBUGF(TCP_FR_DEBUG, 
+                  ("tcp_receive: The minimum value for ssthresh %"U16_F
+                   " should be min 2 mss %"U16_F"...\n",
+                   pcb->ssthresh, 2*pcb->mss));
+      pcb->ssthresh = 2*pcb->mss;
+    }
+    
+    pcb->cwnd = pcb->ssthresh + 3 * pcb->mss;
+    pcb->flags |= TF_INFR;
+  } 
+}
+
+
+/**
+ * Send keepalive packets to keep a connection active although
+ * no data is sent over it.
+ *
+ * Called by tcp_slowtmr()
+ *
+ * @param pcb the tcp_pcb for which to send a keepalive packet
+ */
+void
+tcp_keepalive(struct tcp_pcb *pcb)
+{
+  struct pbuf *p;
+  struct tcp_hdr *tcphdr;
+
+  LWIP_DEBUGF(TCP_DEBUG, ("tcp_keepalive: sending KEEPALIVE probe to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+                          ip4_addr1_16(&pcb->remote_ip), ip4_addr2_16(&pcb->remote_ip),
+                          ip4_addr3_16(&pcb->remote_ip), ip4_addr4_16(&pcb->remote_ip)));
+
+  LWIP_DEBUGF(TCP_DEBUG, ("tcp_keepalive: tcp_ticks %"U32_F"   pcb->tmr %"U32_F" pcb->keep_cnt_sent %"U16_F"\n", 
+                          tcp_ticks, pcb->tmr, pcb->keep_cnt_sent));
+   
+  p = tcp_output_alloc_header(pcb, 0, 0, htonl(pcb->snd_nxt - 1));
+  if(p == NULL) {
+    LWIP_DEBUGF(TCP_DEBUG, 
+                ("tcp_keepalive: could not allocate memory for pbuf\n"));
+    return;
+  }
+  tcphdr = (struct tcp_hdr *)p->payload;
+
+#if CHECKSUM_GEN_TCP
+  tcphdr->chksum = inet_chksum_pseudo(p, &pcb->local_ip, &pcb->remote_ip,
+                                      IP_PROTO_TCP, p->tot_len);
+#endif
+  TCP_STATS_INC(tcp.xmit);
+
+  /* Send output to IP */
+#if LWIP_NETIF_HWADDRHINT
+  ip_output_hinted(p, &pcb->local_ip, &pcb->remote_ip, pcb->ttl, 0, IP_PROTO_TCP,
+    &(pcb->addr_hint));
+#else /* LWIP_NETIF_HWADDRHINT*/
+  ip_output(p, &pcb->local_ip, &pcb->remote_ip, pcb->ttl, 0, IP_PROTO_TCP);
+#endif /* LWIP_NETIF_HWADDRHINT*/
+
+  pbuf_free(p);
+
+  LWIP_DEBUGF(TCP_DEBUG, ("tcp_keepalive: seqno %"U32_F" ackno %"U32_F".\n",
+                          pcb->snd_nxt - 1, pcb->rcv_nxt));
+}
+
+
+/**
+ * Send persist timer zero-window probes to keep a connection active
+ * when a window update is lost.
+ *
+ * Called by tcp_slowtmr()
+ *
+ * @param pcb the tcp_pcb for which to send a zero-window probe packet
+ */
+void
+tcp_zero_window_probe(struct tcp_pcb *pcb)
+{
+  struct pbuf *p;
+  struct tcp_hdr *tcphdr;
+  struct tcp_seg *seg;
+  u16_t len;
+  u8_t is_fin;
+
+  LWIP_DEBUGF(TCP_DEBUG, 
+              ("tcp_zero_window_probe: sending ZERO WINDOW probe to %"
+               U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+               ip4_addr1_16(&pcb->remote_ip), ip4_addr2_16(&pcb->remote_ip),
+               ip4_addr3_16(&pcb->remote_ip), ip4_addr4_16(&pcb->remote_ip)));
+
+  LWIP_DEBUGF(TCP_DEBUG, 
+              ("tcp_zero_window_probe: tcp_ticks %"U32_F
+               "   pcb->tmr %"U32_F" pcb->keep_cnt_sent %"U16_F"\n", 
+               tcp_ticks, pcb->tmr, pcb->keep_cnt_sent));
+
+  seg = pcb->unacked;
+
+  if(seg == NULL) {
+    seg = pcb->unsent;
+  }
+  if(seg == NULL) {
+    return;
+  }
+
+  is_fin = ((TCPH_FLAGS(seg->tcphdr) & TCP_FIN) != 0) && (seg->len == 0);
+  /* we want to send one seqno: either FIN or data (no options) */
+  len = is_fin ? 0 : 1;
+
+  p = tcp_output_alloc_header(pcb, 0, len, seg->tcphdr->seqno);
+  if(p == NULL) {
+    LWIP_DEBUGF(TCP_DEBUG, ("tcp_zero_window_probe: no memory for pbuf\n"));
+    return;
+  }
+  tcphdr = (struct tcp_hdr *)p->payload;
+
+  if (is_fin) {
+    /* FIN segment, no data */
+    TCPH_FLAGS_SET(tcphdr, TCP_ACK | TCP_FIN);
+  } else {
+    /* Data segment, copy in one byte from the head of the unacked queue */
+    struct tcp_hdr *thdr = (struct tcp_hdr *)seg->p->payload;
+    char *d = ((char *)p->payload + TCP_HLEN);
+    pbuf_copy_partial(seg->p, d, 1, TCPH_HDRLEN(thdr) * 4);
+  }
+
+#if CHECKSUM_GEN_TCP
+  tcphdr->chksum = inet_chksum_pseudo(p, &pcb->local_ip, &pcb->remote_ip,
+                                      IP_PROTO_TCP, p->tot_len);
+#endif
+  TCP_STATS_INC(tcp.xmit);
+
+  /* Send output to IP */
+#if LWIP_NETIF_HWADDRHINT
+  ip_output_hinted(p, &pcb->local_ip, &pcb->remote_ip, pcb->ttl, 0, IP_PROTO_TCP,
+    &(pcb->addr_hint));
+#else /* LWIP_NETIF_HWADDRHINT*/
+  ip_output(p, &pcb->local_ip, &pcb->remote_ip, pcb->ttl, 0, IP_PROTO_TCP);
+#endif /* LWIP_NETIF_HWADDRHINT*/
+
+  pbuf_free(p);
+
+  LWIP_DEBUGF(TCP_DEBUG, ("tcp_zero_window_probe: seqno %"U32_F
+                          " ackno %"U32_F".\n",
+                          pcb->snd_nxt - 1, pcb->rcv_nxt));
+}
+#endif /* LWIP_TCP */
diff --git a/libraries/net/lwip/lwip/core/timers.c b/libraries/net/lwip/lwip/core/timers.c
new file mode 100644
index 0000000000..f0e92ccebe
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/timers.c
@@ -0,0 +1,482 @@
+/**
+ * @file
+ * Stack-internal timers implementation.
+ * This file includes timer callbacks for stack-internal timers as well as
+ * functions to set up or stop timers and check for expired timers.
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *         Simon Goldschmidt
+ *
+ */
+
+#include "lwip/opt.h"
+
+#include "lwip/timers.h"
+#include "lwip/tcp_impl.h"
+
+#if LWIP_TIMERS
+
+#include "lwip/def.h"
+#include "lwip/memp.h"
+#include "lwip/tcpip.h"
+
+#include "lwip/ip_frag.h"
+#include "netif/etharp.h"
+#include "lwip/dhcp.h"
+#include "lwip/autoip.h"
+#include "lwip/igmp.h"
+#include "lwip/dns.h"
+
+
+/** The one and only timeout list */
+static struct sys_timeo *next_timeout;
+#if NO_SYS
+static u32_t timeouts_last_time;
+#endif /* NO_SYS */
+
+#if LWIP_TCP
+/** global variable that shows if the tcp timer is currently scheduled or not */
+static int tcpip_tcp_timer_active;
+
+/**
+ * Timer callback function that calls tcp_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+tcpip_tcp_timer(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+
+  /* call TCP timer handler */
+  tcp_tmr();
+  /* timer still needed? */
+  if (tcp_active_pcbs || tcp_tw_pcbs) {
+    /* restart timer */
+    sys_timeout(TCP_TMR_INTERVAL, tcpip_tcp_timer, NULL);
+  } else {
+    /* disable timer */
+    tcpip_tcp_timer_active = 0;
+  }
+}
+
+/**
+ * Called from TCP_REG when registering a new PCB:
+ * the reason is to have the TCP timer only running when
+ * there are active (or time-wait) PCBs.
+ */
+void
+tcp_timer_needed(void)
+{
+  /* timer is off but needed again? */
+  if (!tcpip_tcp_timer_active && (tcp_active_pcbs || tcp_tw_pcbs)) {
+    /* enable and start timer */
+    tcpip_tcp_timer_active = 1;
+    sys_timeout(TCP_TMR_INTERVAL, tcpip_tcp_timer, NULL);
+  }
+}
+#endif /* LWIP_TCP */
+
+#if IP_REASSEMBLY
+/**
+ * Timer callback function that calls ip_reass_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+ip_reass_timer(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: ip_reass_tmr()\n"));
+  ip_reass_tmr();
+  sys_timeout(IP_TMR_INTERVAL, ip_reass_timer, NULL);
+}
+#endif /* IP_REASSEMBLY */
+
+#if LWIP_ARP
+/**
+ * Timer callback function that calls etharp_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+arp_timer(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: etharp_tmr()\n"));
+  etharp_tmr();
+  sys_timeout(ARP_TMR_INTERVAL, arp_timer, NULL);
+}
+#endif /* LWIP_ARP */
+
+#if LWIP_DHCP
+/**
+ * Timer callback function that calls dhcp_coarse_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+dhcp_timer_coarse(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: dhcp_coarse_tmr()\n"));
+  dhcp_coarse_tmr();
+  sys_timeout(DHCP_COARSE_TIMER_MSECS, dhcp_timer_coarse, NULL);
+}
+
+/**
+ * Timer callback function that calls dhcp_fine_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+dhcp_timer_fine(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: dhcp_fine_tmr()\n"));
+  dhcp_fine_tmr();
+  sys_timeout(DHCP_FINE_TIMER_MSECS, dhcp_timer_fine, NULL);
+}
+#endif /* LWIP_DHCP */
+
+#if LWIP_AUTOIP
+/**
+ * Timer callback function that calls autoip_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+autoip_timer(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: autoip_tmr()\n"));
+  autoip_tmr();
+  sys_timeout(AUTOIP_TMR_INTERVAL, autoip_timer, NULL);
+}
+#endif /* LWIP_AUTOIP */
+
+#if LWIP_IGMP
+/**
+ * Timer callback function that calls igmp_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+igmp_timer(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: igmp_tmr()\n"));
+  igmp_tmr();
+  sys_timeout(IGMP_TMR_INTERVAL, igmp_timer, NULL);
+}
+#endif /* LWIP_IGMP */
+
+#if LWIP_DNS
+/**
+ * Timer callback function that calls dns_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+dns_timer(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_DEBUGF(TIMERS_DEBUG, ("tcpip: dns_tmr()\n"));
+  dns_tmr();
+  sys_timeout(DNS_TMR_INTERVAL, dns_timer, NULL);
+}
+#endif /* LWIP_DNS */
+
+/** Initialize this module */
+void sys_timeouts_init(void)
+{
+#if IP_REASSEMBLY
+  sys_timeout(IP_TMR_INTERVAL, ip_reass_timer, NULL);
+#endif /* IP_REASSEMBLY */
+#if LWIP_ARP
+  sys_timeout(ARP_TMR_INTERVAL, arp_timer, NULL);
+#endif /* LWIP_ARP */
+#if LWIP_DHCP
+  sys_timeout(DHCP_COARSE_TIMER_MSECS, dhcp_timer_coarse, NULL);
+  sys_timeout(DHCP_FINE_TIMER_MSECS, dhcp_timer_fine, NULL);
+#endif /* LWIP_DHCP */
+#if LWIP_AUTOIP
+  sys_timeout(AUTOIP_TMR_INTERVAL, autoip_timer, NULL);
+#endif /* LWIP_AUTOIP */
+#if LWIP_IGMP
+  sys_timeout(IGMP_TMR_INTERVAL, igmp_timer, NULL);
+#endif /* LWIP_IGMP */
+#if LWIP_DNS
+  sys_timeout(DNS_TMR_INTERVAL, dns_timer, NULL);
+#endif /* LWIP_DNS */
+
+#if NO_SYS
+  /* Initialise timestamp for sys_check_timeouts */
+  timeouts_last_time = sys_now();
+#endif
+}
+
+/**
+ * Create a one-shot timer (aka timeout). Timeouts are processed in the
+ * following cases:
+ * - while waiting for a message using sys_timeouts_mbox_fetch()
+ * - by calling sys_check_timeouts() (NO_SYS==1 only)
+ *
+ * @param msecs time in milliseconds after that the timer should expire
+ * @param handler callback function to call when msecs have elapsed
+ * @param arg argument to pass to the callback function
+ */
+#if LWIP_DEBUG_TIMERNAMES
+void
+sys_timeout_debug(u32_t msecs, sys_timeout_handler handler, void *arg, const char* handler_name)
+#else /* LWIP_DEBUG_TIMERNAMES */
+void
+sys_timeout(u32_t msecs, sys_timeout_handler handler, void *arg)
+#endif /* LWIP_DEBUG_TIMERNAMES */
+{
+  struct sys_timeo *timeout, *t;
+
+  timeout = (struct sys_timeo *)memp_malloc(MEMP_SYS_TIMEOUT);
+  if (timeout == NULL) {
+    LWIP_ASSERT("sys_timeout: timeout != NULL, pool MEMP_SYS_TIMEOUT is empty", timeout != NULL);
+    return;
+  }
+  timeout->next = NULL;
+  timeout->h = handler;
+  timeout->arg = arg;
+  timeout->time = msecs;
+#if LWIP_DEBUG_TIMERNAMES
+  timeout->handler_name = handler_name;
+  LWIP_DEBUGF(TIMERS_DEBUG, ("sys_timeout: %p msecs=%"U32_F" handler=%s arg=%p\n",
+    (void *)timeout, msecs, handler_name, (void *)arg));
+#endif /* LWIP_DEBUG_TIMERNAMES */
+
+  if (next_timeout == NULL) {
+    next_timeout = timeout;
+    return;
+  }
+
+  if (next_timeout->time > msecs) {
+    next_timeout->time -= msecs;
+    timeout->next = next_timeout;
+    next_timeout = timeout;
+  } else {
+    for(t = next_timeout; t != NULL; t = t->next) {
+      timeout->time -= t->time;
+      if (t->next == NULL || t->next->time > timeout->time) {
+        if (t->next != NULL) {
+          t->next->time -= timeout->time;
+        }
+        timeout->next = t->next;
+        t->next = timeout;
+        break;
+      }
+    }
+  }
+}
+
+/**
+ * Go through timeout list (for this task only) and remove the first matching
+ * entry, even though the timeout has not triggered yet.
+ *
+ * @note This function only works as expected if there is only one timeout
+ * calling 'handler' in the list of timeouts.
+ *
+ * @param handler callback function that would be called by the timeout
+ * @param arg callback argument that would be passed to handler
+*/
+void
+sys_untimeout(sys_timeout_handler handler, void *arg)
+{
+  struct sys_timeo *prev_t, *t;
+
+  if (next_timeout == NULL) {
+    return;
+  }
+
+  for (t = next_timeout, prev_t = NULL; t != NULL; prev_t = t, t = t->next) {
+    if ((t->h == handler) && (t->arg == arg)) {
+      /* We have a match */
+      /* Unlink from previous in list */
+      if (prev_t == NULL) {
+        next_timeout = t->next;
+      } else {
+        prev_t->next = t->next;
+      }
+      /* If not the last one, add time of this one back to next */
+      if (t->next != NULL) {
+        t->next->time += t->time;
+      }
+      memp_free(MEMP_SYS_TIMEOUT, t);
+      return;
+    }
+  }
+  return;
+}
+
+#if NO_SYS
+
+/** Handle timeouts for NO_SYS==1 (i.e. without using
+ * tcpip_thread/sys_timeouts_mbox_fetch(). Uses sys_now() to call timeout
+ * handler functions when timeouts expire.
+ *
+ * Must be called periodically from your main loop.
+ */
+void
+sys_check_timeouts(void)
+{
+  struct sys_timeo *tmptimeout;
+  u32_t diff;
+  sys_timeout_handler handler;
+  void *arg;
+  int had_one;
+  u32_t now;
+
+  now = sys_now();
+  if (next_timeout) {
+    /* this cares for wraparounds */
+    diff = LWIP_U32_DIFF(now, timeouts_last_time);
+    do
+    {
+      had_one = 0;
+      tmptimeout = next_timeout;
+      if (tmptimeout->time <= diff) {
+        /* timeout has expired */
+        had_one = 1;
+        timeouts_last_time = now;
+        diff -= tmptimeout->time;
+        next_timeout = tmptimeout->next;
+        handler = tmptimeout->h;
+        arg = tmptimeout->arg;
+#if LWIP_DEBUG_TIMERNAMES
+        if (handler != NULL) {
+          LWIP_DEBUGF(TIMERS_DEBUG, ("sct calling h=%s arg=%p\n",
+            tmptimeout->handler_name, arg));
+        }
+#endif /* LWIP_DEBUG_TIMERNAMES */
+        memp_free(MEMP_SYS_TIMEOUT, tmptimeout);
+        if (handler != NULL) {
+          handler(arg);
+        }
+      }
+    /* repeat until all expired timers have been called */
+    }while(had_one);
+  }
+}
+
+/** Set back the timestamp of the last call to sys_check_timeouts()
+ * This is necessary if sys_check_timeouts() hasn't been called for a long
+ * time (e.g. while saving energy) to prevent all timer functions of that
+ * period being called.
+ */
+void
+sys_restart_timeouts(void)
+{
+  timeouts_last_time = sys_now();
+}
+
+#else /* NO_SYS */
+
+/**
+ * Wait (forever) for a message to arrive in an mbox.
+ * While waiting, timeouts are processed.
+ *
+ * @param mbox the mbox to fetch the message from
+ * @param msg the place to store the message
+ */
+void
+sys_timeouts_mbox_fetch(sys_mbox_t *mbox, void **msg)
+{
+  u32_t time_needed;
+  struct sys_timeo *tmptimeout;
+  sys_timeout_handler handler;
+  void *arg;
+
+ again:
+  if (!next_timeout) {
+    time_needed = sys_arch_mbox_fetch(mbox, msg, 0);
+  } else {
+    if (next_timeout->time > 0) {
+      time_needed = sys_arch_mbox_fetch(mbox, msg, next_timeout->time);
+    } else {
+      time_needed = SYS_ARCH_TIMEOUT;
+    }
+
+    if (time_needed == SYS_ARCH_TIMEOUT) {
+      /* If time == SYS_ARCH_TIMEOUT, a timeout occured before a message
+         could be fetched. We should now call the timeout handler and
+         deallocate the memory allocated for the timeout. */
+      tmptimeout = next_timeout;
+      next_timeout = tmptimeout->next;
+      handler = tmptimeout->h;
+      arg = tmptimeout->arg;
+#if LWIP_DEBUG_TIMERNAMES
+      if (handler != NULL) {
+        LWIP_DEBUGF(TIMERS_DEBUG, ("stmf calling h=%s arg=%p\n",
+          tmptimeout->handler_name, arg));
+      }
+#endif /* LWIP_DEBUG_TIMERNAMES */
+      memp_free(MEMP_SYS_TIMEOUT, tmptimeout);
+      if (handler != NULL) {
+        /* For LWIP_TCPIP_CORE_LOCKING, lock the core before calling the
+           timeout handler function. */
+        LOCK_TCPIP_CORE();
+        handler(arg);
+        UNLOCK_TCPIP_CORE();
+      }
+      LWIP_TCPIP_THREAD_ALIVE();
+
+      /* We try again to fetch a message from the mbox. */
+      goto again;
+    } else {
+      /* If time != SYS_ARCH_TIMEOUT, a message was received before the timeout
+         occured. The time variable is set to the number of
+         milliseconds we waited for the message. */
+      if (time_needed < next_timeout->time) {
+        next_timeout->time -= time_needed;
+      } else {
+        next_timeout->time = 0;
+      }
+    }
+  }
+}
+
+#endif /* NO_SYS */
+
+#else /* LWIP_TIMERS */
+/* Satisfy the TCP code which calls this function */
+void
+tcp_timer_needed(void)
+{
+}
+#endif /* LWIP_TIMERS */
diff --git a/libraries/net/lwip/lwip/core/udp.c b/libraries/net/lwip/lwip/core/udp.c
new file mode 100644
index 0000000000..4596ba2b79
--- /dev/null
+++ b/libraries/net/lwip/lwip/core/udp.c
@@ -0,0 +1,966 @@
+/**
+ * @file
+ * User Datagram Protocol module
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *
+ */
+
+
+/* udp.c
+ *
+ * The code for the User Datagram Protocol UDP & UDPLite (RFC 3828).
+ *
+ */
+
+/* @todo Check the use of '(struct udp_pcb).chksum_len_rx'!
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_UDP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/udp.h"
+#include "lwip/def.h"
+#include "lwip/memp.h"
+#include "lwip/inet_chksum.h"
+#include "lwip/ip_addr.h"
+#include "lwip/netif.h"
+#include "lwip/icmp.h"
+#include "lwip/stats.h"
+#include "lwip/snmp.h"
+#include "arch/perf.h"
+#include "lwip/dhcp.h"
+
+#include 
+
+/* The list of UDP PCBs */
+/* exported in udp.h (was static) */
+struct udp_pcb *udp_pcbs;
+
+/**
+ * Process an incoming UDP datagram.
+ *
+ * Given an incoming UDP datagram (as a chain of pbufs) this function
+ * finds a corresponding UDP PCB and hands over the pbuf to the pcbs
+ * recv function. If no pcb is found or the datagram is incorrect, the
+ * pbuf is freed.
+ *
+ * @param p pbuf to be demultiplexed to a UDP PCB.
+ * @param inp network interface on which the datagram was received.
+ *
+ */
+void
+udp_input(struct pbuf *p, struct netif *inp)
+{
+  struct udp_hdr *udphdr;
+  struct udp_pcb *pcb, *prev;
+  struct udp_pcb *uncon_pcb;
+  struct ip_hdr *iphdr;
+  u16_t src, dest;
+  u8_t local_match;
+  u8_t broadcast;
+
+  PERF_START;
+
+  UDP_STATS_INC(udp.recv);
+
+  iphdr = (struct ip_hdr *)p->payload;
+
+  /* Check minimum length (IP header + UDP header)
+   * and move payload pointer to UDP header */
+  if (p->tot_len < (IPH_HL(iphdr) * 4 + UDP_HLEN) || pbuf_header(p, -(s16_t)(IPH_HL(iphdr) * 4))) {
+    /* drop short packets */
+    LWIP_DEBUGF(UDP_DEBUG,
+                ("udp_input: short UDP datagram (%"U16_F" bytes) discarded\n", p->tot_len));
+    UDP_STATS_INC(udp.lenerr);
+    UDP_STATS_INC(udp.drop);
+    snmp_inc_udpinerrors();
+    pbuf_free(p);
+    goto end;
+  }
+
+  udphdr = (struct udp_hdr *)p->payload;
+
+  /* is broadcast packet ? */
+  broadcast = ip_addr_isbroadcast(¤t_iphdr_dest, inp);
+
+  LWIP_DEBUGF(UDP_DEBUG, ("udp_input: received datagram of length %"U16_F"\n", p->tot_len));
+
+  /* convert src and dest ports to host byte order */
+  src = ntohs(udphdr->src);
+  dest = ntohs(udphdr->dest);
+
+  udp_debug_print(udphdr);
+
+  /* print the UDP source and destination */
+  LWIP_DEBUGF(UDP_DEBUG,
+              ("udp (%"U16_F".%"U16_F".%"U16_F".%"U16_F", %"U16_F") <-- "
+               "(%"U16_F".%"U16_F".%"U16_F".%"U16_F", %"U16_F")\n",
+               ip4_addr1_16(&iphdr->dest), ip4_addr2_16(&iphdr->dest),
+               ip4_addr3_16(&iphdr->dest), ip4_addr4_16(&iphdr->dest), ntohs(udphdr->dest),
+               ip4_addr1_16(&iphdr->src), ip4_addr2_16(&iphdr->src),
+               ip4_addr3_16(&iphdr->src), ip4_addr4_16(&iphdr->src), ntohs(udphdr->src)));
+
+#if LWIP_DHCP
+  pcb = NULL;
+  /* when LWIP_DHCP is active, packets to DHCP_CLIENT_PORT may only be processed by
+     the dhcp module, no other UDP pcb may use the local UDP port DHCP_CLIENT_PORT */
+  if (dest == DHCP_CLIENT_PORT) {
+    /* all packets for DHCP_CLIENT_PORT not coming from DHCP_SERVER_PORT are dropped! */
+    if (src == DHCP_SERVER_PORT) {
+      if ((inp->dhcp != NULL) && (inp->dhcp->pcb != NULL)) {
+        /* accept the packe if 
+           (- broadcast or directed to us) -> DHCP is link-layer-addressed, local ip is always ANY!
+           - inp->dhcp->pcb->remote == ANY or iphdr->src */
+        if ((ip_addr_isany(&inp->dhcp->pcb->remote_ip) ||
+           ip_addr_cmp(&(inp->dhcp->pcb->remote_ip), ¤t_iphdr_src))) {
+          pcb = inp->dhcp->pcb;
+        }
+      }
+    }
+  } else
+#endif /* LWIP_DHCP */
+  {
+    prev = NULL;
+    local_match = 0;
+    uncon_pcb = NULL;
+    /* Iterate through the UDP pcb list for a matching pcb.
+     * 'Perfect match' pcbs (connected to the remote port & ip address) are
+     * preferred. If no perfect match is found, the first unconnected pcb that
+     * matches the local port and ip address gets the datagram. */
+    for (pcb = udp_pcbs; pcb != NULL; pcb = pcb->next) {
+      local_match = 0;
+      /* print the PCB local and remote address */
+      LWIP_DEBUGF(UDP_DEBUG,
+                  ("pcb (%"U16_F".%"U16_F".%"U16_F".%"U16_F", %"U16_F") --- "
+                   "(%"U16_F".%"U16_F".%"U16_F".%"U16_F", %"U16_F")\n",
+                   ip4_addr1_16(&pcb->local_ip), ip4_addr2_16(&pcb->local_ip),
+                   ip4_addr3_16(&pcb->local_ip), ip4_addr4_16(&pcb->local_ip), pcb->local_port,
+                   ip4_addr1_16(&pcb->remote_ip), ip4_addr2_16(&pcb->remote_ip),
+                   ip4_addr3_16(&pcb->remote_ip), ip4_addr4_16(&pcb->remote_ip), pcb->remote_port));
+
+      /* compare PCB local addr+port to UDP destination addr+port */
+      if ((pcb->local_port == dest) &&
+          ((!broadcast && ip_addr_isany(&pcb->local_ip)) ||
+           ip_addr_cmp(&(pcb->local_ip), ¤t_iphdr_dest) ||
+#if LWIP_IGMP
+           ip_addr_ismulticast(¤t_iphdr_dest) ||
+#endif /* LWIP_IGMP */
+#if IP_SOF_BROADCAST_RECV
+           (broadcast && (pcb->so_options & SOF_BROADCAST)))) {
+#else  /* IP_SOF_BROADCAST_RECV */
+           (broadcast))) {
+#endif /* IP_SOF_BROADCAST_RECV */
+        local_match = 1;
+        if ((uncon_pcb == NULL) && 
+            ((pcb->flags & UDP_FLAGS_CONNECTED) == 0)) {
+          /* the first unconnected matching PCB */
+          uncon_pcb = pcb;
+        }
+      }
+      /* compare PCB remote addr+port to UDP source addr+port */
+      if ((local_match != 0) &&
+          (pcb->remote_port == src) &&
+          (ip_addr_isany(&pcb->remote_ip) ||
+           ip_addr_cmp(&(pcb->remote_ip), ¤t_iphdr_src))) {
+        /* the first fully matching PCB */
+        if (prev != NULL) {
+          /* move the pcb to the front of udp_pcbs so that is
+             found faster next time */
+          prev->next = pcb->next;
+          pcb->next = udp_pcbs;
+          udp_pcbs = pcb;
+        } else {
+          UDP_STATS_INC(udp.cachehit);
+        }
+        break;
+      }
+      prev = pcb;
+    }
+    /* no fully matching pcb found? then look for an unconnected pcb */
+    if (pcb == NULL) {
+      pcb = uncon_pcb;
+    }
+  }
+
+  /* Check checksum if this is a match or if it was directed at us. */
+  if (pcb != NULL || ip_addr_cmp(&inp->ip_addr, ¤t_iphdr_dest)) {
+    LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_input: calculating checksum\n"));
+#if LWIP_UDPLITE
+    if (IPH_PROTO(iphdr) == IP_PROTO_UDPLITE) {
+      /* Do the UDP Lite checksum */
+#if CHECKSUM_CHECK_UDP
+      u16_t chklen = ntohs(udphdr->len);
+      if (chklen < sizeof(struct udp_hdr)) {
+        if (chklen == 0) {
+          /* For UDP-Lite, checksum length of 0 means checksum
+             over the complete packet (See RFC 3828 chap. 3.1) */
+          chklen = p->tot_len;
+        } else {
+          /* At least the UDP-Lite header must be covered by the
+             checksum! (Again, see RFC 3828 chap. 3.1) */
+          UDP_STATS_INC(udp.chkerr);
+          UDP_STATS_INC(udp.drop);
+          snmp_inc_udpinerrors();
+          pbuf_free(p);
+          goto end;
+        }
+      }
+      if (inet_chksum_pseudo_partial(p, ¤t_iphdr_src, ¤t_iphdr_dest,
+                             IP_PROTO_UDPLITE, p->tot_len, chklen) != 0) {
+       LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
+                   ("udp_input: UDP Lite datagram discarded due to failing checksum\n"));
+        UDP_STATS_INC(udp.chkerr);
+        UDP_STATS_INC(udp.drop);
+        snmp_inc_udpinerrors();
+        pbuf_free(p);
+        goto end;
+      }
+#endif /* CHECKSUM_CHECK_UDP */
+    } else
+#endif /* LWIP_UDPLITE */
+    {
+#if CHECKSUM_CHECK_UDP
+      if (udphdr->chksum != 0) {
+        if (inet_chksum_pseudo(p, ip_current_src_addr(), ip_current_dest_addr(),
+                               IP_PROTO_UDP, p->tot_len) != 0) {
+          LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
+                      ("udp_input: UDP datagram discarded due to failing checksum\n"));
+          UDP_STATS_INC(udp.chkerr);
+          UDP_STATS_INC(udp.drop);
+          snmp_inc_udpinerrors();
+          pbuf_free(p);
+          goto end;
+        }
+      }
+#endif /* CHECKSUM_CHECK_UDP */
+    }
+    if(pbuf_header(p, -UDP_HLEN)) {
+      /* Can we cope with this failing? Just assert for now */
+      LWIP_ASSERT("pbuf_header failed\n", 0);
+      UDP_STATS_INC(udp.drop);
+      snmp_inc_udpinerrors();
+      pbuf_free(p);
+      goto end;
+    }
+    if (pcb != NULL) {
+      snmp_inc_udpindatagrams();
+#if SO_REUSE && SO_REUSE_RXTOALL
+      if ((broadcast || ip_addr_ismulticast(¤t_iphdr_dest)) &&
+          ((pcb->so_options & SOF_REUSEADDR) != 0)) {
+        /* pass broadcast- or multicast packets to all multicast pcbs
+           if SOF_REUSEADDR is set on the first match */
+        struct udp_pcb *mpcb;
+        u8_t p_header_changed = 0;
+        for (mpcb = udp_pcbs; mpcb != NULL; mpcb = mpcb->next) {
+          if (mpcb != pcb) {
+            /* compare PCB local addr+port to UDP destination addr+port */
+            if ((mpcb->local_port == dest) &&
+                ((!broadcast && ip_addr_isany(&mpcb->local_ip)) ||
+                 ip_addr_cmp(&(mpcb->local_ip), ¤t_iphdr_dest) ||
+#if LWIP_IGMP
+                 ip_addr_ismulticast(¤t_iphdr_dest) ||
+#endif /* LWIP_IGMP */
+#if IP_SOF_BROADCAST_RECV
+                 (broadcast && (mpcb->so_options & SOF_BROADCAST)))) {
+#else  /* IP_SOF_BROADCAST_RECV */
+                 (broadcast))) {
+#endif /* IP_SOF_BROADCAST_RECV */
+              /* pass a copy of the packet to all local matches */
+              if (mpcb->recv != NULL) {
+                struct pbuf *q;
+                /* for that, move payload to IP header again */
+                if (p_header_changed == 0) {
+                  pbuf_header(p, (s16_t)((IPH_HL(iphdr) * 4) + UDP_HLEN));
+                  p_header_changed = 1;
+                }
+                q = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM);
+                if (q != NULL) {
+                  err_t err = pbuf_copy(q, p);
+                  if (err == ERR_OK) {
+                    /* move payload to UDP data */
+                    pbuf_header(q, -(s16_t)((IPH_HL(iphdr) * 4) + UDP_HLEN));
+                    mpcb->recv(mpcb->recv_arg, mpcb, q, ip_current_src_addr(), src);
+                  }
+                }
+              }
+            }
+          }
+        }
+        if (p_header_changed) {
+          /* and move payload to UDP data again */
+          pbuf_header(p, -(s16_t)((IPH_HL(iphdr) * 4) + UDP_HLEN));
+        }
+      }
+#endif /* SO_REUSE && SO_REUSE_RXTOALL */
+      /* callback */
+      if (pcb->recv != NULL) {
+        /* now the recv function is responsible for freeing p */
+        pcb->recv(pcb->recv_arg, pcb, p, ip_current_src_addr(), src);
+      } else {
+        /* no recv function registered? then we have to free the pbuf! */
+        pbuf_free(p);
+        goto end;
+      }
+    } else {
+      LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_input: not for us.\n"));
+
+#if LWIP_ICMP
+      /* No match was found, send ICMP destination port unreachable unless
+         destination address was broadcast/multicast. */
+      if (!broadcast &&
+          !ip_addr_ismulticast(¤t_iphdr_dest)) {
+        /* move payload pointer back to ip header */
+        pbuf_header(p, (IPH_HL(iphdr) * 4) + UDP_HLEN);
+        LWIP_ASSERT("p->payload == iphdr", (p->payload == iphdr));
+        icmp_dest_unreach(p, ICMP_DUR_PORT);
+      }
+#endif /* LWIP_ICMP */
+      UDP_STATS_INC(udp.proterr);
+      UDP_STATS_INC(udp.drop);
+      snmp_inc_udpnoports();
+      pbuf_free(p);
+    }
+  } else {
+    pbuf_free(p);
+  }
+end:
+  PERF_STOP("udp_input");
+}
+
+/**
+ * Send data using UDP.
+ *
+ * @param pcb UDP PCB used to send the data.
+ * @param p chain of pbuf's to be sent.
+ *
+ * The datagram will be sent to the current remote_ip & remote_port
+ * stored in pcb. If the pcb is not bound to a port, it will
+ * automatically be bound to a random port.
+ *
+ * @return lwIP error code.
+ * - ERR_OK. Successful. No error occured.
+ * - ERR_MEM. Out of memory.
+ * - ERR_RTE. Could not find route to destination address.
+ * - More errors could be returned by lower protocol layers.
+ *
+ * @see udp_disconnect() udp_sendto()
+ */
+err_t
+udp_send(struct udp_pcb *pcb, struct pbuf *p)
+{
+  /* send to the packet using remote ip and port stored in the pcb */
+  return udp_sendto(pcb, p, &pcb->remote_ip, pcb->remote_port);
+}
+
+#if LWIP_CHECKSUM_ON_COPY
+/** Same as udp_send() but with checksum
+ */
+err_t
+udp_send_chksum(struct udp_pcb *pcb, struct pbuf *p,
+                u8_t have_chksum, u16_t chksum)
+{
+  /* send to the packet using remote ip and port stored in the pcb */
+  return udp_sendto_chksum(pcb, p, &pcb->remote_ip, pcb->remote_port,
+    have_chksum, chksum);
+}
+#endif /* LWIP_CHECKSUM_ON_COPY */
+
+/**
+ * Send data to a specified address using UDP.
+ *
+ * @param pcb UDP PCB used to send the data.
+ * @param p chain of pbuf's to be sent.
+ * @param dst_ip Destination IP address.
+ * @param dst_port Destination UDP port.
+ *
+ * dst_ip & dst_port are expected to be in the same byte order as in the pcb.
+ *
+ * If the PCB already has a remote address association, it will
+ * be restored after the data is sent.
+ * 
+ * @return lwIP error code (@see udp_send for possible error codes)
+ *
+ * @see udp_disconnect() udp_send()
+ */
+err_t
+udp_sendto(struct udp_pcb *pcb, struct pbuf *p,
+  ip_addr_t *dst_ip, u16_t dst_port)
+{
+#if LWIP_CHECKSUM_ON_COPY
+  return udp_sendto_chksum(pcb, p, dst_ip, dst_port, 0, 0);
+}
+
+/** Same as udp_sendto(), but with checksum */
+err_t
+udp_sendto_chksum(struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *dst_ip,
+                  u16_t dst_port, u8_t have_chksum, u16_t chksum)
+{
+#endif /* LWIP_CHECKSUM_ON_COPY */
+  struct netif *netif;
+
+  LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_send\n"));
+
+  /* find the outgoing network interface for this packet */
+#if LWIP_IGMP
+  netif = ip_route((ip_addr_ismulticast(dst_ip))?(&(pcb->multicast_ip)):(dst_ip));
+#else
+  netif = ip_route(dst_ip);
+#endif /* LWIP_IGMP */
+
+  /* no outgoing network interface could be found? */
+  if (netif == NULL) {
+    LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("udp_send: No route to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+      ip4_addr1_16(dst_ip), ip4_addr2_16(dst_ip), ip4_addr3_16(dst_ip), ip4_addr4_16(dst_ip)));
+    UDP_STATS_INC(udp.rterr);
+    return ERR_RTE;
+  }
+#if LWIP_CHECKSUM_ON_COPY
+  return udp_sendto_if_chksum(pcb, p, dst_ip, dst_port, netif, have_chksum, chksum);
+#else /* LWIP_CHECKSUM_ON_COPY */
+  return udp_sendto_if(pcb, p, dst_ip, dst_port, netif);
+#endif /* LWIP_CHECKSUM_ON_COPY */
+}
+
+/**
+ * Send data to a specified address using UDP.
+ * The netif used for sending can be specified.
+ *
+ * This function exists mainly for DHCP, to be able to send UDP packets
+ * on a netif that is still down.
+ *
+ * @param pcb UDP PCB used to send the data.
+ * @param p chain of pbuf's to be sent.
+ * @param dst_ip Destination IP address.
+ * @param dst_port Destination UDP port.
+ * @param netif the netif used for sending.
+ *
+ * dst_ip & dst_port are expected to be in the same byte order as in the pcb.
+ *
+ * @return lwIP error code (@see udp_send for possible error codes)
+ *
+ * @see udp_disconnect() udp_send()
+ */
+err_t
+udp_sendto_if(struct udp_pcb *pcb, struct pbuf *p,
+  ip_addr_t *dst_ip, u16_t dst_port, struct netif *netif)
+{
+#if LWIP_CHECKSUM_ON_COPY
+  return udp_sendto_if_chksum(pcb, p, dst_ip, dst_port, netif, 0, 0);
+}
+
+/** Same as udp_sendto_if(), but with checksum */
+err_t
+udp_sendto_if_chksum(struct udp_pcb *pcb, struct pbuf *p, ip_addr_t *dst_ip,
+                     u16_t dst_port, struct netif *netif, u8_t have_chksum,
+                     u16_t chksum)
+{
+#endif /* LWIP_CHECKSUM_ON_COPY */
+  struct udp_hdr *udphdr;
+  ip_addr_t *src_ip;
+  err_t err;
+  struct pbuf *q; /* q will be sent down the stack */
+
+#if IP_SOF_BROADCAST
+  /* broadcast filter? */
+  if ( ((pcb->so_options & SOF_BROADCAST) == 0) && ip_addr_isbroadcast(dst_ip, netif) ) {
+    LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
+      ("udp_sendto_if: SOF_BROADCAST not enabled on pcb %p\n", (void *)pcb));
+    return ERR_VAL;
+  }
+#endif /* IP_SOF_BROADCAST */
+
+  /* if the PCB is not yet bound to a port, bind it here */
+  if (pcb->local_port == 0) {
+    LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_send: not yet bound to a port, binding now\n"));
+    err = udp_bind(pcb, &pcb->local_ip, pcb->local_port);
+    if (err != ERR_OK) {
+      LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("udp_send: forced port bind failed\n"));
+      return err;
+    }
+  }
+
+  /* not enough space to add an UDP header to first pbuf in given p chain? */
+  if (pbuf_header(p, UDP_HLEN)) {
+    /* allocate header in a separate new pbuf */
+    q = pbuf_alloc(PBUF_IP, UDP_HLEN, PBUF_RAM);
+    /* new header pbuf could not be allocated? */
+    if (q == NULL) {
+      LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("udp_send: could not allocate header\n"));
+      return ERR_MEM;
+    }
+    if (p->tot_len != 0) {
+      /* chain header q in front of given pbuf p (only if p contains data) */
+      pbuf_chain(q, p);
+    }
+    /* first pbuf q points to header pbuf */
+    LWIP_DEBUGF(UDP_DEBUG,
+                ("udp_send: added header pbuf %p before given pbuf %p\n", (void *)q, (void *)p));
+  } else {
+    /* adding space for header within p succeeded */
+    /* first pbuf q equals given pbuf */
+    q = p;
+    LWIP_DEBUGF(UDP_DEBUG, ("udp_send: added header in given pbuf %p\n", (void *)p));
+  }
+  LWIP_ASSERT("check that first pbuf can hold struct udp_hdr",
+              (q->len >= sizeof(struct udp_hdr)));
+  /* q now represents the packet to be sent */
+  udphdr = (struct udp_hdr *)q->payload;
+  udphdr->src = htons(pcb->local_port);
+  udphdr->dest = htons(dst_port);
+  /* in UDP, 0 checksum means 'no checksum' */
+  udphdr->chksum = 0x0000; 
+
+  /* Multicast Loop? */
+#if LWIP_IGMP
+  if (ip_addr_ismulticast(dst_ip) && ((pcb->flags & UDP_FLAGS_MULTICAST_LOOP) != 0)) {
+    q->flags |= PBUF_FLAG_MCASTLOOP;
+  }
+#endif /* LWIP_IGMP */
+
+
+  /* PCB local address is IP_ANY_ADDR? */
+  if (ip_addr_isany(&pcb->local_ip)) {
+    /* use outgoing network interface IP address as source address */
+    src_ip = &(netif->ip_addr);
+  } else {
+    /* check if UDP PCB local IP address is correct
+     * this could be an old address if netif->ip_addr has changed */
+    if (!ip_addr_cmp(&(pcb->local_ip), &(netif->ip_addr))) {
+      /* local_ip doesn't match, drop the packet */
+      if (q != p) {
+        /* free the header pbuf */
+        pbuf_free(q);
+        q = NULL;
+        /* p is still referenced by the caller, and will live on */
+      }
+      return ERR_VAL;
+    }
+    /* use UDP PCB local IP address as source address */
+    src_ip = &(pcb->local_ip);
+  }
+
+  LWIP_DEBUGF(UDP_DEBUG, ("udp_send: sending datagram of length %"U16_F"\n", q->tot_len));
+
+#if LWIP_UDPLITE
+  /* UDP Lite protocol? */
+  if (pcb->flags & UDP_FLAGS_UDPLITE) {
+    u16_t chklen, chklen_hdr;
+    LWIP_DEBUGF(UDP_DEBUG, ("udp_send: UDP LITE packet length %"U16_F"\n", q->tot_len));
+    /* set UDP message length in UDP header */
+    chklen_hdr = chklen = pcb->chksum_len_tx;
+    if ((chklen < sizeof(struct udp_hdr)) || (chklen > q->tot_len)) {
+      if (chklen != 0) {
+        LWIP_DEBUGF(UDP_DEBUG, ("udp_send: UDP LITE pcb->chksum_len is illegal: %"U16_F"\n", chklen));
+      }
+      /* For UDP-Lite, checksum length of 0 means checksum
+         over the complete packet. (See RFC 3828 chap. 3.1)
+         At least the UDP-Lite header must be covered by the
+         checksum, therefore, if chksum_len has an illegal
+         value, we generate the checksum over the complete
+         packet to be safe. */
+      chklen_hdr = 0;
+      chklen = q->tot_len;
+    }
+    udphdr->len = htons(chklen_hdr);
+    /* calculate checksum */
+#if CHECKSUM_GEN_UDP
+    udphdr->chksum = inet_chksum_pseudo_partial(q, src_ip, dst_ip,
+      IP_PROTO_UDPLITE, q->tot_len,
+#if !LWIP_CHECKSUM_ON_COPY
+      chklen);
+#else /* !LWIP_CHECKSUM_ON_COPY */
+      (have_chksum ? UDP_HLEN : chklen));
+    if (have_chksum) {
+      u32_t acc;
+      acc = udphdr->chksum + (u16_t)~(chksum);
+      udphdr->chksum = FOLD_U32T(acc);
+    }
+#endif /* !LWIP_CHECKSUM_ON_COPY */
+
+    /* chksum zero must become 0xffff, as zero means 'no checksum' */
+    if (udphdr->chksum == 0x0000) {
+      udphdr->chksum = 0xffff;
+    }
+#endif /* CHECKSUM_GEN_UDP */
+    /* output to IP */
+    LWIP_DEBUGF(UDP_DEBUG, ("udp_send: ip_output_if (,,,,IP_PROTO_UDPLITE,)\n"));
+#if LWIP_NETIF_HWADDRHINT
+    netif->addr_hint = &(pcb->addr_hint);
+#endif /* LWIP_NETIF_HWADDRHINT*/
+    err = ip_output_if(q, src_ip, dst_ip, pcb->ttl, pcb->tos, IP_PROTO_UDPLITE, netif);
+#if LWIP_NETIF_HWADDRHINT
+    netif->addr_hint = NULL;
+#endif /* LWIP_NETIF_HWADDRHINT*/
+  } else
+#endif /* LWIP_UDPLITE */
+  {      /* UDP */
+    LWIP_DEBUGF(UDP_DEBUG, ("udp_send: UDP packet length %"U16_F"\n", q->tot_len));
+    udphdr->len = htons(q->tot_len);
+    /* calculate checksum */
+#if CHECKSUM_GEN_UDP
+    if ((pcb->flags & UDP_FLAGS_NOCHKSUM) == 0) {
+      u16_t udpchksum;
+#if LWIP_CHECKSUM_ON_COPY
+      if (have_chksum) {
+        u32_t acc;
+        udpchksum = inet_chksum_pseudo_partial(q, src_ip, dst_ip, IP_PROTO_UDP,
+          q->tot_len, UDP_HLEN);
+        acc = udpchksum + (u16_t)~(chksum);
+        udpchksum = FOLD_U32T(acc);
+      } else
+#endif /* LWIP_CHECKSUM_ON_COPY */
+      {
+        udpchksum = inet_chksum_pseudo(q, src_ip, dst_ip, IP_PROTO_UDP, q->tot_len);
+      }
+
+      /* chksum zero must become 0xffff, as zero means 'no checksum' */
+      if (udpchksum == 0x0000) {
+        udpchksum = 0xffff;
+      }
+      udphdr->chksum = udpchksum;
+    }
+#endif /* CHECKSUM_GEN_UDP */
+    LWIP_DEBUGF(UDP_DEBUG, ("udp_send: UDP checksum 0x%04"X16_F"\n", udphdr->chksum));
+    LWIP_DEBUGF(UDP_DEBUG, ("udp_send: ip_output_if (,,,,IP_PROTO_UDP,)\n"));
+    /* output to IP */
+#if LWIP_NETIF_HWADDRHINT
+    netif->addr_hint = &(pcb->addr_hint);
+#endif /* LWIP_NETIF_HWADDRHINT*/
+    err = ip_output_if(q, src_ip, dst_ip, pcb->ttl, pcb->tos, IP_PROTO_UDP, netif);
+#if LWIP_NETIF_HWADDRHINT
+    netif->addr_hint = NULL;
+#endif /* LWIP_NETIF_HWADDRHINT*/
+  }
+  /* TODO: must this be increased even if error occured? */
+  snmp_inc_udpoutdatagrams();
+
+  /* did we chain a separate header pbuf earlier? */
+  if (q != p) {
+    /* free the header pbuf */
+    pbuf_free(q);
+    q = NULL;
+    /* p is still referenced by the caller, and will live on */
+  }
+
+  UDP_STATS_INC(udp.xmit);
+  return err;
+}
+
+/**
+ * Bind an UDP PCB.
+ *
+ * @param pcb UDP PCB to be bound with a local address ipaddr and port.
+ * @param ipaddr local IP address to bind with. Use IP_ADDR_ANY to
+ * bind to all local interfaces.
+ * @param port local UDP port to bind with. Use 0 to automatically bind
+ * to a random port between UDP_LOCAL_PORT_RANGE_START and
+ * UDP_LOCAL_PORT_RANGE_END.
+ *
+ * ipaddr & port are expected to be in the same byte order as in the pcb.
+ *
+ * @return lwIP error code.
+ * - ERR_OK. Successful. No error occured.
+ * - ERR_USE. The specified ipaddr and port are already bound to by
+ * another UDP PCB.
+ *
+ * @see udp_disconnect()
+ */
+err_t
+udp_bind(struct udp_pcb *pcb, ip_addr_t *ipaddr, u16_t port)
+{
+  struct udp_pcb *ipcb;
+  u8_t rebind;
+
+  LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_bind(ipaddr = "));
+  ip_addr_debug_print(UDP_DEBUG, ipaddr);
+  LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, (", port = %"U16_F")\n", port));
+
+  rebind = 0;
+  /* Check for double bind and rebind of the same pcb */
+  for (ipcb = udp_pcbs; ipcb != NULL; ipcb = ipcb->next) {
+    /* is this UDP PCB already on active list? */
+    if (pcb == ipcb) {
+      /* pcb may occur at most once in active list */
+      LWIP_ASSERT("rebind == 0", rebind == 0);
+      /* pcb already in list, just rebind */
+      rebind = 1;
+    }
+
+    /* By default, we don't allow to bind to a port that any other udp
+       PCB is alread bound to, unless *all* PCBs with that port have tha
+       REUSEADDR flag set. */
+#if SO_REUSE
+    else if (((pcb->so_options & SOF_REUSEADDR) == 0) &&
+             ((ipcb->so_options & SOF_REUSEADDR) == 0)) {
+#else /* SO_REUSE */
+    /* port matches that of PCB in list and REUSEADDR not set -> reject */
+    else {
+#endif /* SO_REUSE */
+      if ((ipcb->local_port == port) &&
+          /* IP address matches, or one is IP_ADDR_ANY? */
+          (ip_addr_isany(&(ipcb->local_ip)) ||
+           ip_addr_isany(ipaddr) ||
+           ip_addr_cmp(&(ipcb->local_ip), ipaddr))) {
+        /* other PCB already binds to this local IP and port */
+        LWIP_DEBUGF(UDP_DEBUG,
+                    ("udp_bind: local port %"U16_F" already bound by another pcb\n", port));
+        return ERR_USE;
+      }
+    }
+  }
+
+  ip_addr_set(&pcb->local_ip, ipaddr);
+
+  /* no port specified? */
+  if (port == 0) {
+#ifndef UDP_LOCAL_PORT_RANGE_START
+/* From http://www.iana.org/assignments/port-numbers:
+   "The Dynamic and/or Private Ports are those from 49152 through 65535" */
+#define UDP_LOCAL_PORT_RANGE_START  0xc000
+#define UDP_LOCAL_PORT_RANGE_END    0xffff
+#endif
+    port = UDP_LOCAL_PORT_RANGE_START;
+    ipcb = udp_pcbs;
+    while ((ipcb != NULL) && (port != UDP_LOCAL_PORT_RANGE_END)) {
+      if (ipcb->local_port == port) {
+        /* port is already used by another udp_pcb */
+        port++;
+        /* restart scanning all udp pcbs */
+        ipcb = udp_pcbs;
+      } else {
+        /* go on with next udp pcb */
+        ipcb = ipcb->next;
+      }
+    }
+    if (ipcb != NULL) {
+      /* no more ports available in local range */
+      LWIP_DEBUGF(UDP_DEBUG, ("udp_bind: out of free UDP ports\n"));
+      return ERR_USE;
+    }
+  }
+  pcb->local_port = port;
+  snmp_insert_udpidx_tree(pcb);
+  /* pcb not active yet? */
+  if (rebind == 0) {
+    /* place the PCB on the active list if not already there */
+    pcb->next = udp_pcbs;
+    udp_pcbs = pcb;
+  }
+  LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE,
+              ("udp_bind: bound to %"U16_F".%"U16_F".%"U16_F".%"U16_F", port %"U16_F"\n",
+               ip4_addr1_16(&pcb->local_ip), ip4_addr2_16(&pcb->local_ip),
+               ip4_addr3_16(&pcb->local_ip), ip4_addr4_16(&pcb->local_ip),
+               pcb->local_port));
+  return ERR_OK;
+}
+/**
+ * Connect an UDP PCB.
+ *
+ * This will associate the UDP PCB with the remote address.
+ *
+ * @param pcb UDP PCB to be connected with remote address ipaddr and port.
+ * @param ipaddr remote IP address to connect with.
+ * @param port remote UDP port to connect with.
+ *
+ * @return lwIP error code
+ *
+ * ipaddr & port are expected to be in the same byte order as in the pcb.
+ *
+ * The udp pcb is bound to a random local port if not already bound.
+ *
+ * @see udp_disconnect()
+ */
+err_t
+udp_connect(struct udp_pcb *pcb, ip_addr_t *ipaddr, u16_t port)
+{
+  struct udp_pcb *ipcb;
+
+  if (pcb->local_port == 0) {
+    err_t err = udp_bind(pcb, &pcb->local_ip, pcb->local_port);
+    if (err != ERR_OK) {
+      return err;
+    }
+  }
+
+  ip_addr_set(&pcb->remote_ip, ipaddr);
+  pcb->remote_port = port;
+  pcb->flags |= UDP_FLAGS_CONNECTED;
+/** TODO: this functionality belongs in upper layers */
+#ifdef LWIP_UDP_TODO
+  /* Nail down local IP for netconn_addr()/getsockname() */
+  if (ip_addr_isany(&pcb->local_ip) && !ip_addr_isany(&pcb->remote_ip)) {
+    struct netif *netif;
+
+    if ((netif = ip_route(&(pcb->remote_ip))) == NULL) {
+      LWIP_DEBUGF(UDP_DEBUG, ("udp_connect: No route to 0x%lx\n", pcb->remote_ip.addr));
+      UDP_STATS_INC(udp.rterr);
+      return ERR_RTE;
+    }
+    /** TODO: this will bind the udp pcb locally, to the interface which
+        is used to route output packets to the remote address. However, we
+        might want to accept incoming packets on any interface! */
+    pcb->local_ip = netif->ip_addr;
+  } else if (ip_addr_isany(&pcb->remote_ip)) {
+    pcb->local_ip.addr = 0;
+  }
+#endif
+  LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE,
+              ("udp_connect: connected to %"U16_F".%"U16_F".%"U16_F".%"U16_F",port %"U16_F"\n",
+               ip4_addr1_16(&pcb->local_ip), ip4_addr2_16(&pcb->local_ip),
+               ip4_addr3_16(&pcb->local_ip), ip4_addr4_16(&pcb->local_ip),
+               pcb->local_port));
+
+  /* Insert UDP PCB into the list of active UDP PCBs. */
+  for (ipcb = udp_pcbs; ipcb != NULL; ipcb = ipcb->next) {
+    if (pcb == ipcb) {
+      /* already on the list, just return */
+      return ERR_OK;
+    }
+  }
+  /* PCB not yet on the list, add PCB now */
+  pcb->next = udp_pcbs;
+  udp_pcbs = pcb;
+  return ERR_OK;
+}
+
+/**
+ * Disconnect a UDP PCB
+ *
+ * @param pcb the udp pcb to disconnect.
+ */
+void
+udp_disconnect(struct udp_pcb *pcb)
+{
+  /* reset remote address association */
+  ip_addr_set_any(&pcb->remote_ip);
+  pcb->remote_port = 0;
+  /* mark PCB as unconnected */
+  pcb->flags &= ~UDP_FLAGS_CONNECTED;
+}
+
+/**
+ * Set a receive callback for a UDP PCB
+ *
+ * This callback will be called when receiving a datagram for the pcb.
+ *
+ * @param pcb the pcb for wich to set the recv callback
+ * @param recv function pointer of the callback function
+ * @param recv_arg additional argument to pass to the callback function
+ */
+void
+udp_recv(struct udp_pcb *pcb, udp_recv_fn recv, void *recv_arg)
+{
+  /* remember recv() callback and user data */
+  pcb->recv = recv;
+  pcb->recv_arg = recv_arg;
+}
+
+/**
+ * Remove an UDP PCB.
+ *
+ * @param pcb UDP PCB to be removed. The PCB is removed from the list of
+ * UDP PCB's and the data structure is freed from memory.
+ *
+ * @see udp_new()
+ */
+void
+udp_remove(struct udp_pcb *pcb)
+{
+  struct udp_pcb *pcb2;
+
+  snmp_delete_udpidx_tree(pcb);
+  /* pcb to be removed is first in list? */
+  if (udp_pcbs == pcb) {
+    /* make list start at 2nd pcb */
+    udp_pcbs = udp_pcbs->next;
+    /* pcb not 1st in list */
+  } else {
+    for (pcb2 = udp_pcbs; pcb2 != NULL; pcb2 = pcb2->next) {
+      /* find pcb in udp_pcbs list */
+      if (pcb2->next != NULL && pcb2->next == pcb) {
+        /* remove pcb from list */
+        pcb2->next = pcb->next;
+      }
+    }
+  }
+  memp_free(MEMP_UDP_PCB, pcb);
+}
+
+/**
+ * Create a UDP PCB.
+ *
+ * @return The UDP PCB which was created. NULL if the PCB data structure
+ * could not be allocated.
+ *
+ * @see udp_remove()
+ */
+struct udp_pcb *
+udp_new(void)
+{
+  struct udp_pcb *pcb;
+  pcb = (struct udp_pcb *)memp_malloc(MEMP_UDP_PCB);
+  /* could allocate UDP PCB? */
+  if (pcb != NULL) {
+    /* UDP Lite: by initializing to all zeroes, chksum_len is set to 0
+     * which means checksum is generated over the whole datagram per default
+     * (recommended as default by RFC 3828). */
+    /* initialize PCB to all zeroes */
+    memset(pcb, 0, sizeof(struct udp_pcb));
+    pcb->ttl = UDP_TTL;
+  }
+  return pcb;
+}
+
+#if UDP_DEBUG
+/**
+ * Print UDP header information for debug purposes.
+ *
+ * @param udphdr pointer to the udp header in memory.
+ */
+void
+udp_debug_print(struct udp_hdr *udphdr)
+{
+  LWIP_DEBUGF(UDP_DEBUG, ("UDP header:\n"));
+  LWIP_DEBUGF(UDP_DEBUG, ("+-------------------------------+\n"));
+  LWIP_DEBUGF(UDP_DEBUG, ("|     %5"U16_F"     |     %5"U16_F"     | (src port, dest port)\n",
+                          ntohs(udphdr->src), ntohs(udphdr->dest)));
+  LWIP_DEBUGF(UDP_DEBUG, ("+-------------------------------+\n"));
+  LWIP_DEBUGF(UDP_DEBUG, ("|     %5"U16_F"     |     0x%04"X16_F"    | (len, chksum)\n",
+                          ntohs(udphdr->len), ntohs(udphdr->chksum)));
+  LWIP_DEBUGF(UDP_DEBUG, ("+-------------------------------+\n"));
+}
+#endif /* UDP_DEBUG */
+
+#endif /* LWIP_UDP */
diff --git a/libraries/net/lwip/lwip/include/ipv4/lwip/autoip.h b/libraries/net/lwip/lwip/include/ipv4/lwip/autoip.h
new file mode 100644
index 0000000000..23c264a1e0
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/ipv4/lwip/autoip.h
@@ -0,0 +1,119 @@
+/**
+ * @file
+ *
+ * AutoIP Automatic LinkLocal IP Configuration
+ */
+
+/*
+ *
+ * Copyright (c) 2007 Dominik Spies 
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Dominik Spies 
+ *
+ * This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform
+ * with RFC 3927.
+ *
+ *
+ * Please coordinate changes and requests with Dominik Spies
+ * 
+ */
+ 
+#ifndef __LWIP_AUTOIP_H__
+#define __LWIP_AUTOIP_H__
+
+#include "lwip/opt.h"
+
+#if LWIP_AUTOIP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/netif.h"
+#include "lwip/udp.h"
+#include "netif/etharp.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* AutoIP Timing */
+#define AUTOIP_TMR_INTERVAL      100
+#define AUTOIP_TICKS_PER_SECOND (1000 / AUTOIP_TMR_INTERVAL)
+
+/* RFC 3927 Constants */
+#define PROBE_WAIT               1   /* second   (initial random delay)                 */
+#define PROBE_MIN                1   /* second   (minimum delay till repeated probe)    */
+#define PROBE_MAX                2   /* seconds  (maximum delay till repeated probe)    */
+#define PROBE_NUM                3   /*          (number of probe packets)              */
+#define ANNOUNCE_NUM             2   /*          (number of announcement packets)       */
+#define ANNOUNCE_INTERVAL        2   /* seconds  (time between announcement packets)    */
+#define ANNOUNCE_WAIT            2   /* seconds  (delay before announcing)              */
+#define MAX_CONFLICTS            10  /*          (max conflicts before rate limiting)   */
+#define RATE_LIMIT_INTERVAL      60  /* seconds  (delay between successive attempts)    */
+#define DEFEND_INTERVAL          10  /* seconds  (min. wait between defensive ARPs)     */
+
+/* AutoIP client states */
+#define AUTOIP_STATE_OFF         0
+#define AUTOIP_STATE_PROBING     1
+#define AUTOIP_STATE_ANNOUNCING  2
+#define AUTOIP_STATE_BOUND       3
+
+struct autoip
+{
+  ip_addr_t llipaddr;       /* the currently selected, probed, announced or used LL IP-Address */
+  u8_t state;               /* current AutoIP state machine state */
+  u8_t sent_num;            /* sent number of probes or announces, dependent on state */
+  u16_t ttw;                /* ticks to wait, tick is AUTOIP_TMR_INTERVAL long */
+  u8_t lastconflict;        /* ticks until a conflict can be solved by defending */
+  u8_t tried_llipaddr;      /* total number of probed/used Link Local IP-Addresses */
+};
+
+
+/** Init srand, has to be called before entering mainloop */
+void autoip_init(void);
+
+/** Set a struct autoip allocated by the application to work with */
+void autoip_set_struct(struct netif *netif, struct autoip *autoip);
+
+/** Start AutoIP client */
+err_t autoip_start(struct netif *netif);
+
+/** Stop AutoIP client */
+err_t autoip_stop(struct netif *netif);
+
+/** Handles every incoming ARP Packet, called by etharp_arp_input */
+void autoip_arp_reply(struct netif *netif, struct etharp_hdr *hdr);
+
+/** Has to be called in loop every AUTOIP_TMR_INTERVAL milliseconds */
+void autoip_tmr(void);
+
+/** Handle a possible change in the network configuration */
+void autoip_network_changed(struct netif *netif);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_AUTOIP */
+
+#endif /* __LWIP_AUTOIP_H__ */
diff --git a/libraries/net/lwip/lwip/include/ipv4/lwip/icmp.h b/libraries/net/lwip/lwip/include/ipv4/lwip/icmp.h
new file mode 100644
index 0000000000..d47a7d8a2e
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/ipv4/lwip/icmp.h
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_ICMP_H__
+#define __LWIP_ICMP_H__
+
+#include "lwip/opt.h"
+#include "lwip/pbuf.h"
+#include "lwip/ip_addr.h"
+#include "lwip/netif.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ICMP_ER   0    /* echo reply */
+#define ICMP_DUR  3    /* destination unreachable */
+#define ICMP_SQ   4    /* source quench */
+#define ICMP_RD   5    /* redirect */
+#define ICMP_ECHO 8    /* echo */
+#define ICMP_TE  11    /* time exceeded */
+#define ICMP_PP  12    /* parameter problem */
+#define ICMP_TS  13    /* timestamp */
+#define ICMP_TSR 14    /* timestamp reply */
+#define ICMP_IRQ 15    /* information request */
+#define ICMP_IR  16    /* information reply */
+
+enum icmp_dur_type {
+  ICMP_DUR_NET   = 0,  /* net unreachable */
+  ICMP_DUR_HOST  = 1,  /* host unreachable */
+  ICMP_DUR_PROTO = 2,  /* protocol unreachable */
+  ICMP_DUR_PORT  = 3,  /* port unreachable */
+  ICMP_DUR_FRAG  = 4,  /* fragmentation needed and DF set */
+  ICMP_DUR_SR    = 5   /* source route failed */
+};
+
+enum icmp_te_type {
+  ICMP_TE_TTL  = 0,    /* time to live exceeded in transit */
+  ICMP_TE_FRAG = 1     /* fragment reassembly time exceeded */
+};
+
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+/** This is the standard ICMP header only that the u32_t data
+ *  is splitted to two u16_t like ICMP echo needs it.
+ *  This header is also used for other ICMP types that do not
+ *  use the data part.
+ */
+PACK_STRUCT_BEGIN
+struct icmp_echo_hdr {
+  PACK_STRUCT_FIELD(u8_t type);
+  PACK_STRUCT_FIELD(u8_t code);
+  PACK_STRUCT_FIELD(u16_t chksum);
+  PACK_STRUCT_FIELD(u16_t id);
+  PACK_STRUCT_FIELD(u16_t seqno);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+#define ICMPH_TYPE(hdr) ((hdr)->type)
+#define ICMPH_CODE(hdr) ((hdr)->code)
+
+/** Combines type and code to an u16_t */
+#define ICMPH_TYPE_SET(hdr, t) ((hdr)->type = (t))
+#define ICMPH_CODE_SET(hdr, c) ((hdr)->code = (c))
+
+
+#if LWIP_ICMP /* don't build if not configured for use in lwipopts.h */
+
+void icmp_input(struct pbuf *p, struct netif *inp);
+void icmp_dest_unreach(struct pbuf *p, enum icmp_dur_type t);
+void icmp_time_exceeded(struct pbuf *p, enum icmp_te_type t);
+
+#endif /* LWIP_ICMP */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_ICMP_H__ */
diff --git a/libraries/net/lwip/lwip/include/ipv4/lwip/igmp.h b/libraries/net/lwip/lwip/include/ipv4/lwip/igmp.h
new file mode 100644
index 0000000000..8aabac2481
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/ipv4/lwip/igmp.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2002 CITEL Technologies Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ * 3. Neither the name of CITEL Technologies Ltd nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY CITEL TECHNOLOGIES AND CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL CITEL TECHNOLOGIES OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ *
+ * This file is a contribution to the lwIP TCP/IP stack.
+ * The Swedish Institute of Computer Science and Adam Dunkels
+ * are specifically granted permission to redistribute this
+ * source code.
+*/
+
+#ifndef __LWIP_IGMP_H__
+#define __LWIP_IGMP_H__
+
+#include "lwip/opt.h"
+#include "lwip/ip_addr.h"
+#include "lwip/netif.h"
+#include "lwip/pbuf.h"
+
+#if LWIP_IGMP /* don't build if not configured for use in lwipopts.h */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* IGMP timer */
+#define IGMP_TMR_INTERVAL              100 /* Milliseconds */
+#define IGMP_V1_DELAYING_MEMBER_TMR   (1000/IGMP_TMR_INTERVAL)
+#define IGMP_JOIN_DELAYING_MEMBER_TMR (500 /IGMP_TMR_INTERVAL)
+
+/* MAC Filter Actions, these are passed to a netif's
+ * igmp_mac_filter callback function. */
+#define IGMP_DEL_MAC_FILTER            0
+#define IGMP_ADD_MAC_FILTER            1
+
+
+/**
+ * igmp group structure - there is
+ * a list of groups for each interface
+ * these should really be linked from the interface, but
+ * if we keep them separate we will not affect the lwip original code
+ * too much
+ * 
+ * There will be a group for the all systems group address but this 
+ * will not run the state machine as it is used to kick off reports
+ * from all the other groups
+ */
+struct igmp_group {
+  /** next link */
+  struct igmp_group *next;
+  /** interface on which the group is active */
+  struct netif      *netif;
+  /** multicast address */
+  ip_addr_t          group_address;
+  /** signifies we were the last person to report */
+  u8_t               last_reporter_flag;
+  /** current state of the group */
+  u8_t               group_state;
+  /** timer for reporting, negative is OFF */
+  u16_t              timer;
+  /** counter of simultaneous uses */
+  u8_t               use;
+};
+
+/*  Prototypes */
+void   igmp_init(void);
+err_t  igmp_start(struct netif *netif);
+err_t  igmp_stop(struct netif *netif);
+void   igmp_report_groups(struct netif *netif);
+struct igmp_group *igmp_lookfor_group(struct netif *ifp, ip_addr_t *addr);
+void   igmp_input(struct pbuf *p, struct netif *inp, ip_addr_t *dest);
+err_t  igmp_joingroup(ip_addr_t *ifaddr, ip_addr_t *groupaddr);
+err_t  igmp_leavegroup(ip_addr_t *ifaddr, ip_addr_t *groupaddr);
+void   igmp_tmr(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_IGMP */
+
+#endif /* __LWIP_IGMP_H__ */
diff --git a/libraries/net/lwip/lwip/include/ipv4/lwip/inet.h b/libraries/net/lwip/lwip/include/ipv4/lwip/inet.h
new file mode 100644
index 0000000000..7bff49b59e
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/ipv4/lwip/inet.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_INET_H__
+#define __LWIP_INET_H__
+
+#include "lwip/opt.h"
+#include "lwip/def.h"
+#include "lwip/ip_addr.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** For compatibility with BSD code */
+struct in_addr {
+  u32_t s_addr;
+};
+
+/** 255.255.255.255 */
+#define INADDR_NONE         IPADDR_NONE
+/** 127.0.0.1 */
+#define INADDR_LOOPBACK     IPADDR_LOOPBACK
+/** 0.0.0.0 */
+#define INADDR_ANY          IPADDR_ANY
+/** 255.255.255.255 */
+#define INADDR_BROADCAST    IPADDR_BROADCAST
+
+/* Definitions of the bits in an Internet address integer.
+
+   On subnets, host and network parts are found according to
+   the subnet mask, not these masks.  */
+#define IN_CLASSA(a)        IP_CLASSA(a)
+#define IN_CLASSA_NET       IP_CLASSA_NET
+#define IN_CLASSA_NSHIFT    IP_CLASSA_NSHIFT
+#define IN_CLASSA_HOST      IP_CLASSA_HOST
+#define IN_CLASSA_MAX       IP_CLASSA_MAX
+
+#define IN_CLASSB(b)        IP_CLASSB(b)
+#define IN_CLASSB_NET       IP_CLASSB_NET
+#define IN_CLASSB_NSHIFT    IP_CLASSB_NSHIFT
+#define IN_CLASSB_HOST      IP_CLASSB_HOST
+#define IN_CLASSB_MAX       IP_CLASSB_MAX
+
+#define IN_CLASSC(c)        IP_CLASSC(c)
+#define IN_CLASSC_NET       IP_CLASSC_NET
+#define IN_CLASSC_NSHIFT    IP_CLASSC_NSHIFT
+#define IN_CLASSC_HOST      IP_CLASSC_HOST
+#define IN_CLASSC_MAX       IP_CLASSC_MAX
+
+#define IN_CLASSD(d)        IP_CLASSD(d)
+#define IN_CLASSD_NET       IP_CLASSD_NET     /* These ones aren't really */
+#define IN_CLASSD_NSHIFT    IP_CLASSD_NSHIFT  /*   net and host fields, but */
+#define IN_CLASSD_HOST      IP_CLASSD_HOST    /*   routing needn't know. */
+#define IN_CLASSD_MAX       IP_CLASSD_MAX
+
+#define IN_MULTICAST(a)     IP_MULTICAST(a)
+
+#define IN_EXPERIMENTAL(a)  IP_EXPERIMENTAL(a)
+#define IN_BADCLASS(a)      IP_BADCLASS(a)
+
+#define IN_LOOPBACKNET      IP_LOOPBACKNET
+
+#define inet_addr_from_ipaddr(target_inaddr, source_ipaddr) ((target_inaddr)->s_addr = ip4_addr_get_u32(source_ipaddr))
+#define inet_addr_to_ipaddr(target_ipaddr, source_inaddr)   (ip4_addr_set_u32(target_ipaddr, (source_inaddr)->s_addr))
+/* ATTENTION: the next define only works because both s_addr and ip_addr_t are an u32_t effectively! */
+#define inet_addr_to_ipaddr_p(target_ipaddr_p, source_inaddr)   ((target_ipaddr_p) = (ip_addr_t*)&((source_inaddr)->s_addr))
+
+/* directly map this to the lwip internal functions */
+#define inet_addr(cp)         ipaddr_addr(cp)
+#define inet_aton(cp, addr)   ipaddr_aton(cp, (ip_addr_t*)addr)
+#define inet_ntoa(addr)       ipaddr_ntoa((ip_addr_t*)&(addr))
+#define inet_ntoa_r(addr, buf, buflen) ipaddr_ntoa_r((ip_addr_t*)&(addr), buf, buflen)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_INET_H__ */
diff --git a/libraries/net/lwip/lwip/include/ipv4/lwip/inet_chksum.h b/libraries/net/lwip/lwip/include/ipv4/lwip/inet_chksum.h
new file mode 100644
index 0000000000..79a2d90f2f
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/ipv4/lwip/inet_chksum.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_INET_CHKSUM_H__
+#define __LWIP_INET_CHKSUM_H__
+
+#include "lwip/opt.h"
+
+#include "lwip/pbuf.h"
+#include "lwip/ip_addr.h"
+
+/** Swap the bytes in an u16_t: much like htons() for little-endian */
+#ifndef SWAP_BYTES_IN_WORD
+#if LWIP_PLATFORM_BYTESWAP && (BYTE_ORDER == LITTLE_ENDIAN)
+/* little endian and PLATFORM_BYTESWAP defined */
+#define SWAP_BYTES_IN_WORD(w) LWIP_PLATFORM_HTONS(w)
+#else /* LWIP_PLATFORM_BYTESWAP && (BYTE_ORDER == LITTLE_ENDIAN) */
+/* can't use htons on big endian (or PLATFORM_BYTESWAP not defined)... */
+#define SWAP_BYTES_IN_WORD(w) (((w) & 0xff) << 8) | (((w) & 0xff00) >> 8)
+#endif /* LWIP_PLATFORM_BYTESWAP && (BYTE_ORDER == LITTLE_ENDIAN)*/
+#endif /* SWAP_BYTES_IN_WORD */
+
+/** Split an u32_t in two u16_ts and add them up */
+#ifndef FOLD_U32T
+#define FOLD_U32T(u)          (((u) >> 16) + ((u) & 0x0000ffffUL))
+#endif
+
+#if LWIP_CHECKSUM_ON_COPY
+/** Function-like macro: same as MEMCPY but returns the checksum of copied data
+    as u16_t */
+#ifndef LWIP_CHKSUM_COPY
+#define LWIP_CHKSUM_COPY(dst, src, len) lwip_chksum_copy(dst, src, len)
+#ifndef LWIP_CHKSUM_COPY_ALGORITHM
+#define LWIP_CHKSUM_COPY_ALGORITHM 1
+#endif /* LWIP_CHKSUM_COPY_ALGORITHM */
+#endif /* LWIP_CHKSUM_COPY */
+#else /* LWIP_CHECKSUM_ON_COPY */
+#define LWIP_CHKSUM_COPY_ALGORITHM 0
+#endif /* LWIP_CHECKSUM_ON_COPY */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+u16_t inet_chksum(void *dataptr, u16_t len);
+u16_t inet_chksum_pbuf(struct pbuf *p);
+u16_t inet_chksum_pseudo(struct pbuf *p,
+       ip_addr_t *src, ip_addr_t *dest,
+       u8_t proto, u16_t proto_len);
+u16_t inet_chksum_pseudo_partial(struct pbuf *p,
+       ip_addr_t *src, ip_addr_t *dest,
+       u8_t proto, u16_t proto_len, u16_t chksum_len);
+#if LWIP_CHKSUM_COPY_ALGORITHM
+u16_t lwip_chksum_copy(void *dst, const void *src, u16_t len);
+#endif /* LWIP_CHKSUM_COPY_ALGORITHM */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_INET_H__ */
+
diff --git a/libraries/net/lwip/lwip/include/ipv4/lwip/ip.h b/libraries/net/lwip/lwip/include/ipv4/lwip/ip.h
new file mode 100644
index 0000000000..74f501d1ab
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/ipv4/lwip/ip.h
@@ -0,0 +1,213 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_IP_H__
+#define __LWIP_IP_H__
+
+#include "lwip/opt.h"
+
+#include "lwip/def.h"
+#include "lwip/pbuf.h"
+#include "lwip/ip_addr.h"
+#include "lwip/err.h"
+#include "lwip/netif.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Currently, the function ip_output_if_opt() is only used with IGMP */
+#define IP_OPTIONS_SEND   LWIP_IGMP
+
+#define IP_HLEN 20
+
+#define IP_PROTO_ICMP    1
+#define IP_PROTO_IGMP    2
+#define IP_PROTO_UDP     17
+#define IP_PROTO_UDPLITE 136
+#define IP_PROTO_TCP     6
+
+/* This is passed as the destination address to ip_output_if (not
+   to ip_output), meaning that an IP header already is constructed
+   in the pbuf. This is used when TCP retransmits. */
+#ifdef IP_HDRINCL
+#undef IP_HDRINCL
+#endif /* IP_HDRINCL */
+#define IP_HDRINCL  NULL
+
+#if LWIP_NETIF_HWADDRHINT
+#define IP_PCB_ADDRHINT ;u8_t addr_hint
+#else
+#define IP_PCB_ADDRHINT
+#endif /* LWIP_NETIF_HWADDRHINT */
+
+/* This is the common part of all PCB types. It needs to be at the
+   beginning of a PCB type definition. It is located here so that
+   changes to this common part are made in one location instead of
+   having to change all PCB structs. */
+#define IP_PCB \
+  /* ip addresses in network byte order */ \
+  ip_addr_t local_ip; \
+  ip_addr_t remote_ip; \
+   /* Socket options */  \
+  u8_t so_options;      \
+   /* Type Of Service */ \
+  u8_t tos;              \
+  /* Time To Live */     \
+  u8_t ttl               \
+  /* link layer address resolution hint */ \
+  IP_PCB_ADDRHINT
+
+struct ip_pcb {
+/* Common members of all PCB types */
+  IP_PCB;
+};
+
+/*
+ * Option flags per-socket. These are the same like SO_XXX.
+ */
+/*#define SOF_DEBUG       (u8_t)0x01U     Unimplemented: turn on debugging info recording */
+#define SOF_ACCEPTCONN    (u8_t)0x02U  /* socket has had listen() */
+#define SOF_REUSEADDR     (u8_t)0x04U  /* allow local address reuse */
+#define SOF_KEEPALIVE     (u8_t)0x08U  /* keep connections alive */
+/*#define SOF_DONTROUTE   (u8_t)0x10U     Unimplemented: just use interface addresses */
+#define SOF_BROADCAST     (u8_t)0x20U  /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
+/*#define SOF_USELOOPBACK (u8_t)0x40U     Unimplemented: bypass hardware when possible */
+#define SOF_LINGER        (u8_t)0x80U  /* linger on close if data present */
+/*#define SOF_OOBINLINE   (u16_t)0x0100U     Unimplemented: leave received OOB data in line */
+/*#define SOF_REUSEPORT   (u16_t)0x0200U     Unimplemented: allow local address & port reuse */
+
+/* These flags are inherited (e.g. from a listen-pcb to a connection-pcb): */
+#define SOF_INHERITED   (SOF_REUSEADDR|SOF_KEEPALIVE|SOF_LINGER/*|SOF_DEBUG|SOF_DONTROUTE|SOF_OOBINLINE*/)
+
+
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+struct ip_hdr {
+  /* version / header length / type of service */
+  PACK_STRUCT_FIELD(u16_t _v_hl_tos);
+  /* total length */
+  PACK_STRUCT_FIELD(u16_t _len);
+  /* identification */
+  PACK_STRUCT_FIELD(u16_t _id);
+  /* fragment offset field */
+  PACK_STRUCT_FIELD(u16_t _offset);
+#define IP_RF 0x8000U        /* reserved fragment flag */
+#define IP_DF 0x4000U        /* dont fragment flag */
+#define IP_MF 0x2000U        /* more fragments flag */
+#define IP_OFFMASK 0x1fffU   /* mask for fragmenting bits */
+  /* time to live */
+  PACK_STRUCT_FIELD(u8_t _ttl);
+  /* protocol*/
+  PACK_STRUCT_FIELD(u8_t _proto);
+  /* checksum */
+  PACK_STRUCT_FIELD(u16_t _chksum);
+  /* source and destination IP addresses */
+  PACK_STRUCT_FIELD(ip_addr_p_t src);
+  PACK_STRUCT_FIELD(ip_addr_p_t dest); 
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+#define IPH_V(hdr)  (ntohs((hdr)->_v_hl_tos) >> 12)
+#define IPH_HL(hdr) ((ntohs((hdr)->_v_hl_tos) >> 8) & 0x0f)
+#define IPH_TOS(hdr) (ntohs((hdr)->_v_hl_tos) & 0xff)
+#define IPH_LEN(hdr) ((hdr)->_len)
+#define IPH_ID(hdr) ((hdr)->_id)
+#define IPH_OFFSET(hdr) ((hdr)->_offset)
+#define IPH_TTL(hdr) ((hdr)->_ttl)
+#define IPH_PROTO(hdr) ((hdr)->_proto)
+#define IPH_CHKSUM(hdr) ((hdr)->_chksum)
+
+#define IPH_VHLTOS_SET(hdr, v, hl, tos) (hdr)->_v_hl_tos = (htons(((v) << 12) | ((hl) << 8) | (tos)))
+#define IPH_LEN_SET(hdr, len) (hdr)->_len = (len)
+#define IPH_ID_SET(hdr, id) (hdr)->_id = (id)
+#define IPH_OFFSET_SET(hdr, off) (hdr)->_offset = (off)
+#define IPH_TTL_SET(hdr, ttl) (hdr)->_ttl = (u8_t)(ttl)
+#define IPH_PROTO_SET(hdr, proto) (hdr)->_proto = (u8_t)(proto)
+#define IPH_CHKSUM_SET(hdr, chksum) (hdr)->_chksum = (chksum)
+
+/** The interface that provided the packet for the current callback invocation. */
+extern struct netif *current_netif;
+/** Header of the input packet currently being processed. */
+extern const struct ip_hdr *current_header;
+/** Source IP address of current_header */
+extern ip_addr_t current_iphdr_src;
+/** Destination IP address of current_header */
+extern ip_addr_t current_iphdr_dest;
+
+#define ip_init() /* Compatibility define, not init needed. */
+struct netif *ip_route(ip_addr_t *dest);
+err_t ip_input(struct pbuf *p, struct netif *inp);
+err_t ip_output(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest,
+       u8_t ttl, u8_t tos, u8_t proto);
+err_t ip_output_if(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest,
+       u8_t ttl, u8_t tos, u8_t proto,
+       struct netif *netif);
+#if LWIP_NETIF_HWADDRHINT
+err_t ip_output_hinted(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest,
+       u8_t ttl, u8_t tos, u8_t proto, u8_t *addr_hint);
+#endif /* LWIP_NETIF_HWADDRHINT */
+#if IP_OPTIONS_SEND
+err_t ip_output_if_opt(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest,
+       u8_t ttl, u8_t tos, u8_t proto, struct netif *netif, void *ip_options,
+       u16_t optlen);
+#endif /* IP_OPTIONS_SEND */
+/** Get the interface that received the current packet.
+ * This function must only be called from a receive callback (udp_recv,
+ * raw_recv, tcp_accept). It will return NULL otherwise. */
+#define ip_current_netif()  (current_netif)
+/** Get the IP header of the current packet.
+ * This function must only be called from a receive callback (udp_recv,
+ * raw_recv, tcp_accept). It will return NULL otherwise. */
+#define ip_current_header() (current_header)
+/** Source IP address of current_header */
+#define ip_current_src_addr()  (¤t_iphdr_src)
+/** Destination IP address of current_header */
+#define ip_current_dest_addr() (¤t_iphdr_dest)
+
+#if IP_DEBUG
+void ip_debug_print(struct pbuf *p);
+#else
+#define ip_debug_print(p)
+#endif /* IP_DEBUG */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_IP_H__ */
+
+
diff --git a/libraries/net/lwip/lwip/include/ipv4/lwip/ip_addr.h b/libraries/net/lwip/lwip/include/ipv4/lwip/ip_addr.h
new file mode 100644
index 0000000000..77f84e02cf
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/ipv4/lwip/ip_addr.h
@@ -0,0 +1,244 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_IP_ADDR_H__
+#define __LWIP_IP_ADDR_H__
+
+#include "lwip/opt.h"
+#include "lwip/def.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* This is the aligned version of ip_addr_t,
+   used as local variable, on the stack, etc. */
+struct ip_addr {
+  u32_t addr;
+};
+
+/* This is the packed version of ip_addr_t,
+   used in network headers that are itself packed */
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+struct ip_addr_packed {
+  PACK_STRUCT_FIELD(u32_t addr);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+/** ip_addr_t uses a struct for convenience only, so that the same defines can
+ * operate both on ip_addr_t as well as on ip_addr_p_t. */
+typedef struct ip_addr ip_addr_t;
+typedef struct ip_addr_packed ip_addr_p_t;
+
+/*
+ * struct ipaddr2 is used in the definition of the ARP packet format in
+ * order to support compilers that don't have structure packing.
+ */
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+struct ip_addr2 {
+  PACK_STRUCT_FIELD(u16_t addrw[2]);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+/* Forward declaration to not include netif.h */
+struct netif;
+
+extern const ip_addr_t ip_addr_any;
+extern const ip_addr_t ip_addr_broadcast;
+
+/** IP_ADDR_ can be used as a fixed IP address
+ *  for the wildcard and the broadcast address
+ */
+#define IP_ADDR_ANY         ((ip_addr_t *)&ip_addr_any)
+#define IP_ADDR_BROADCAST   ((ip_addr_t *)&ip_addr_broadcast)
+
+/** 255.255.255.255 */
+#define IPADDR_NONE         ((u32_t)0xffffffffUL)
+/** 127.0.0.1 */
+#define IPADDR_LOOPBACK     ((u32_t)0x7f000001UL)
+/** 0.0.0.0 */
+#define IPADDR_ANY          ((u32_t)0x00000000UL)
+/** 255.255.255.255 */
+#define IPADDR_BROADCAST    ((u32_t)0xffffffffUL)
+
+/* Definitions of the bits in an Internet address integer.
+
+   On subnets, host and network parts are found according to
+   the subnet mask, not these masks.  */
+#define IP_CLASSA(a)        ((((u32_t)(a)) & 0x80000000UL) == 0)
+#define IP_CLASSA_NET       0xff000000
+#define IP_CLASSA_NSHIFT    24
+#define IP_CLASSA_HOST      (0xffffffff & ~IP_CLASSA_NET)
+#define IP_CLASSA_MAX       128
+
+#define IP_CLASSB(a)        ((((u32_t)(a)) & 0xc0000000UL) == 0x80000000UL)
+#define IP_CLASSB_NET       0xffff0000
+#define IP_CLASSB_NSHIFT    16
+#define IP_CLASSB_HOST      (0xffffffff & ~IP_CLASSB_NET)
+#define IP_CLASSB_MAX       65536
+
+#define IP_CLASSC(a)        ((((u32_t)(a)) & 0xe0000000UL) == 0xc0000000UL)
+#define IP_CLASSC_NET       0xffffff00
+#define IP_CLASSC_NSHIFT    8
+#define IP_CLASSC_HOST      (0xffffffff & ~IP_CLASSC_NET)
+
+#define IP_CLASSD(a)        (((u32_t)(a) & 0xf0000000UL) == 0xe0000000UL)
+#define IP_CLASSD_NET       0xf0000000          /* These ones aren't really */
+#define IP_CLASSD_NSHIFT    28                  /*   net and host fields, but */
+#define IP_CLASSD_HOST      0x0fffffff          /*   routing needn't know. */
+#define IP_MULTICAST(a)     IP_CLASSD(a)
+
+#define IP_EXPERIMENTAL(a)  (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL)
+#define IP_BADCLASS(a)      (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL)
+
+#define IP_LOOPBACKNET      127                 /* official! */
+
+
+#if BYTE_ORDER == BIG_ENDIAN
+/** Set an IP address given by the four byte-parts */
+#define IP4_ADDR(ipaddr, a,b,c,d) \
+        (ipaddr)->addr = ((u32_t)((a) & 0xff) << 24) | \
+                         ((u32_t)((b) & 0xff) << 16) | \
+                         ((u32_t)((c) & 0xff) << 8)  | \
+                          (u32_t)((d) & 0xff)
+#else
+/** Set an IP address given by the four byte-parts.
+    Little-endian version that prevents the use of htonl. */
+#define IP4_ADDR(ipaddr, a,b,c,d) \
+        (ipaddr)->addr = ((u32_t)((d) & 0xff) << 24) | \
+                         ((u32_t)((c) & 0xff) << 16) | \
+                         ((u32_t)((b) & 0xff) << 8)  | \
+                          (u32_t)((a) & 0xff)
+#endif
+
+/** MEMCPY-like copying of IP addresses where addresses are known to be
+ * 16-bit-aligned if the port is correctly configured (so a port could define
+ * this to copying 2 u16_t's) - no NULL-pointer-checking needed. */
+#ifndef IPADDR2_COPY
+#define IPADDR2_COPY(dest, src) SMEMCPY(dest, src, sizeof(ip_addr_t))
+#endif
+
+/** Copy IP address - faster than ip_addr_set: no NULL check */
+#define ip_addr_copy(dest, src) ((dest).addr = (src).addr)
+/** Safely copy one IP address to another (src may be NULL) */
+#define ip_addr_set(dest, src) ((dest)->addr = \
+                                    ((src) == NULL ? 0 : \
+                                    (src)->addr))
+/** Set complete address to zero */
+#define ip_addr_set_zero(ipaddr)      ((ipaddr)->addr = 0)
+/** Set address to IPADDR_ANY (no need for htonl()) */
+#define ip_addr_set_any(ipaddr)       ((ipaddr)->addr = IPADDR_ANY)
+/** Set address to loopback address */
+#define ip_addr_set_loopback(ipaddr)  ((ipaddr)->addr = PP_HTONL(IPADDR_LOOPBACK))
+/** Safely copy one IP address to another and change byte order
+ * from host- to network-order. */
+#define ip_addr_set_hton(dest, src) ((dest)->addr = \
+                               ((src) == NULL ? 0:\
+                               htonl((src)->addr)))
+/** IPv4 only: set the IP address given as an u32_t */
+#define ip4_addr_set_u32(dest_ipaddr, src_u32) ((dest_ipaddr)->addr = (src_u32))
+/** IPv4 only: get the IP address as an u32_t */
+#define ip4_addr_get_u32(src_ipaddr) ((src_ipaddr)->addr)
+
+/** Get the network address by combining host address with netmask */
+#define ip_addr_get_network(target, host, netmask) ((target)->addr = ((host)->addr) & ((netmask)->addr))
+
+/**
+ * Determine if two address are on the same network.
+ *
+ * @arg addr1 IP address 1
+ * @arg addr2 IP address 2
+ * @arg mask network identifier mask
+ * @return !0 if the network identifiers of both address match
+ */
+#define ip_addr_netcmp(addr1, addr2, mask) (((addr1)->addr & \
+                                              (mask)->addr) == \
+                                             ((addr2)->addr & \
+                                              (mask)->addr))
+#define ip_addr_cmp(addr1, addr2) ((addr1)->addr == (addr2)->addr)
+
+#define ip_addr_isany(addr1) ((addr1) == NULL || (addr1)->addr == IPADDR_ANY)
+
+#define ip_addr_isbroadcast(ipaddr, netif) ip4_addr_isbroadcast((ipaddr)->addr, (netif))
+u8_t ip4_addr_isbroadcast(u32_t addr, const struct netif *netif);
+
+#define ip_addr_netmask_valid(netmask) ip4_addr_netmask_valid((netmask)->addr)
+u8_t ip4_addr_netmask_valid(u32_t netmask);
+
+#define ip_addr_ismulticast(addr1) (((addr1)->addr & PP_HTONL(0xf0000000UL)) == PP_HTONL(0xe0000000UL))
+
+#define ip_addr_islinklocal(addr1) (((addr1)->addr & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xa9fe0000UL))
+
+#define ip_addr_debug_print(debug, ipaddr) \
+  LWIP_DEBUGF(debug, ("%"U16_F".%"U16_F".%"U16_F".%"U16_F,             \
+                      ipaddr != NULL ? ip4_addr1_16(ipaddr) : 0,       \
+                      ipaddr != NULL ? ip4_addr2_16(ipaddr) : 0,       \
+                      ipaddr != NULL ? ip4_addr3_16(ipaddr) : 0,       \
+                      ipaddr != NULL ? ip4_addr4_16(ipaddr) : 0))
+
+/* Get one byte from the 4-byte address */
+#define ip4_addr1(ipaddr) (((u8_t*)(ipaddr))[0])
+#define ip4_addr2(ipaddr) (((u8_t*)(ipaddr))[1])
+#define ip4_addr3(ipaddr) (((u8_t*)(ipaddr))[2])
+#define ip4_addr4(ipaddr) (((u8_t*)(ipaddr))[3])
+/* These are cast to u16_t, with the intent that they are often arguments
+ * to printf using the U16_F format from cc.h. */
+#define ip4_addr1_16(ipaddr) ((u16_t)ip4_addr1(ipaddr))
+#define ip4_addr2_16(ipaddr) ((u16_t)ip4_addr2(ipaddr))
+#define ip4_addr3_16(ipaddr) ((u16_t)ip4_addr3(ipaddr))
+#define ip4_addr4_16(ipaddr) ((u16_t)ip4_addr4(ipaddr))
+
+/** For backwards compatibility */
+#define ip_ntoa(ipaddr)  ipaddr_ntoa(ipaddr)
+
+u32_t ipaddr_addr(const char *cp);
+int ipaddr_aton(const char *cp, ip_addr_t *addr);
+/** returns ptr to static buffer; not reentrant! */
+char *ipaddr_ntoa(const ip_addr_t *addr);
+char *ipaddr_ntoa_r(const ip_addr_t *addr, char *buf, int buflen);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_IP_ADDR_H__ */
diff --git a/libraries/net/lwip/lwip/include/ipv4/lwip/ip_frag.h b/libraries/net/lwip/lwip/include/ipv4/lwip/ip_frag.h
new file mode 100644
index 0000000000..77b5eb1eef
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/ipv4/lwip/ip_frag.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Jani Monoses 
+ *
+ */
+
+#ifndef __LWIP_IP_FRAG_H__
+#define __LWIP_IP_FRAG_H__
+
+#include "lwip/opt.h"
+#include "lwip/err.h"
+#include "lwip/pbuf.h"
+#include "lwip/netif.h"
+#include "lwip/ip_addr.h"
+#include "lwip/ip.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if IP_REASSEMBLY
+/* The IP reassembly timer interval in milliseconds. */
+#define IP_TMR_INTERVAL 1000
+
+/* IP reassembly helper struct.
+ * This is exported because memp needs to know the size.
+ */
+struct ip_reassdata {
+  struct ip_reassdata *next;
+  struct pbuf *p;
+  struct ip_hdr iphdr;
+  u16_t datagram_len;
+  u8_t flags;
+  u8_t timer;
+};
+
+void ip_reass_init(void);
+void ip_reass_tmr(void);
+struct pbuf * ip_reass(struct pbuf *p);
+#endif /* IP_REASSEMBLY */
+
+#if IP_FRAG
+#if !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF
+/** A custom pbuf that holds a reference to another pbuf, which is freed
+ * when this custom pbuf is freed. This is used to create a custom PBUF_REF
+ * that points into the original pbuf. */
+struct pbuf_custom_ref {
+  /** 'base class' */
+  struct pbuf_custom pc;
+  /** pointer to the original pbuf that is referenced */
+  struct pbuf *original;
+};
+#endif /* !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF */
+
+err_t ip_frag(struct pbuf *p, struct netif *netif, ip_addr_t *dest);
+#endif /* IP_FRAG */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_IP_FRAG_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/api.h b/libraries/net/lwip/lwip/include/lwip/api.h
new file mode 100644
index 0000000000..91b9e5d243
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/api.h
@@ -0,0 +1,284 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_API_H__
+#define __LWIP_API_H__
+
+#include "lwip/opt.h"
+
+#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */
+
+#include  /* for size_t */
+
+#include "lwip/netbuf.h"
+#include "lwip/sys.h"
+#include "lwip/ip_addr.h"
+#include "lwip/err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Throughout this file, IP addresses and port numbers are expected to be in
+ * the same byte order as in the corresponding pcb.
+ */
+
+/* Flags for netconn_write (u8_t) */
+#define NETCONN_NOFLAG    0x00
+#define NETCONN_NOCOPY    0x00 /* Only for source code compatibility */
+#define NETCONN_COPY      0x01
+#define NETCONN_MORE      0x02
+#define NETCONN_DONTBLOCK 0x04
+
+/* Flags for struct netconn.flags (u8_t) */
+/** TCP: when data passed to netconn_write doesn't fit into the send buffer,
+    this temporarily stores whether to wake up the original application task
+    if data couldn't be sent in the first try. */
+#define NETCONN_FLAG_WRITE_DELAYED            0x01
+/** Should this netconn avoid blocking? */
+#define NETCONN_FLAG_NON_BLOCKING             0x02
+/** Was the last connect action a non-blocking one? */
+#define NETCONN_FLAG_IN_NONBLOCKING_CONNECT   0x04
+/** If this is set, a TCP netconn must call netconn_recved() to update
+    the TCP receive window (done automatically if not set). */
+#define NETCONN_FLAG_NO_AUTO_RECVED           0x08
+/** If a nonblocking write has been rejected before, poll_tcp needs to
+    check if the netconn is writable again */
+#define NETCONN_FLAG_CHECK_WRITESPACE         0x10
+
+
+/* Helpers to process several netconn_types by the same code */
+#define NETCONNTYPE_GROUP(t)    (t&0xF0)
+#define NETCONNTYPE_DATAGRAM(t) (t&0xE0)
+
+/** Protocol family and type of the netconn */
+enum netconn_type {
+  NETCONN_INVALID    = 0,
+  /* NETCONN_TCP Group */
+  NETCONN_TCP        = 0x10,
+  /* NETCONN_UDP Group */
+  NETCONN_UDP        = 0x20,
+  NETCONN_UDPLITE    = 0x21,
+  NETCONN_UDPNOCHKSUM= 0x22,
+  /* NETCONN_RAW Group */
+  NETCONN_RAW        = 0x40
+};
+
+/** Current state of the netconn. Non-TCP netconns are always
+ * in state NETCONN_NONE! */
+enum netconn_state {
+  NETCONN_NONE,
+  NETCONN_WRITE,
+  NETCONN_LISTEN,
+  NETCONN_CONNECT,
+  NETCONN_CLOSE
+};
+
+/** Use to inform the callback function about changes */
+enum netconn_evt {
+  NETCONN_EVT_RCVPLUS,
+  NETCONN_EVT_RCVMINUS,
+  NETCONN_EVT_SENDPLUS,
+  NETCONN_EVT_SENDMINUS,
+  NETCONN_EVT_ERROR
+};
+
+#if LWIP_IGMP
+/** Used for netconn_join_leave_group() */
+enum netconn_igmp {
+  NETCONN_JOIN,
+  NETCONN_LEAVE
+};
+#endif /* LWIP_IGMP */
+
+/* forward-declare some structs to avoid to include their headers */
+struct ip_pcb;
+struct tcp_pcb;
+struct udp_pcb;
+struct raw_pcb;
+struct netconn;
+struct api_msg_msg;
+
+/** A callback prototype to inform about events for a netconn */
+typedef void (* netconn_callback)(struct netconn *, enum netconn_evt, u16_t len);
+
+/** A netconn descriptor */
+struct netconn {
+  /** type of the netconn (TCP, UDP or RAW) */
+  enum netconn_type type;
+  /** current state of the netconn */
+  enum netconn_state state;
+  /** the lwIP internal protocol control block */
+  union {
+    struct ip_pcb  *ip;
+    struct tcp_pcb *tcp;
+    struct udp_pcb *udp;
+    struct raw_pcb *raw;
+  } pcb;
+  /** the last error this netconn had */
+  err_t last_err;
+  /** sem that is used to synchroneously execute functions in the core context */
+  sys_sem_t op_completed;
+  /** mbox where received packets are stored until they are fetched
+      by the netconn application thread (can grow quite big) */
+  sys_mbox_t recvmbox;
+#if LWIP_TCP
+  /** mbox where new connections are stored until processed
+      by the application thread */
+  sys_mbox_t acceptmbox;
+#endif /* LWIP_TCP */
+  /** only used for socket layer */
+#if LWIP_SOCKET
+  int socket;
+#endif /* LWIP_SOCKET */
+#if LWIP_SO_RCVTIMEO
+  /** timeout to wait for new data to be received
+      (or connections to arrive for listening netconns) */
+  int recv_timeout;
+#endif /* LWIP_SO_RCVTIMEO */
+#if LWIP_SO_RCVBUF
+  /** maximum amount of bytes queued in recvmbox
+      not used for TCP: adjust TCP_WND instead! */
+  int recv_bufsize;
+  /** number of bytes currently in recvmbox to be received,
+      tested against recv_bufsize to limit bytes on recvmbox
+      for UDP and RAW, used for FIONREAD */
+  s16_t recv_avail;
+#endif /* LWIP_SO_RCVBUF */
+  /** flags holding more netconn-internal state, see NETCONN_FLAG_* defines */
+  u8_t flags;
+#if LWIP_TCP
+  /** TCP: when data passed to netconn_write doesn't fit into the send buffer,
+      this temporarily stores how much is already sent. */
+  size_t write_offset;
+  /** TCP: when data passed to netconn_write doesn't fit into the send buffer,
+      this temporarily stores the message.
+      Also used during connect and close. */
+  struct api_msg_msg *current_msg;
+#endif /* LWIP_TCP */
+  /** A callback function that is informed about events for this netconn */
+  netconn_callback callback;
+};
+
+/** Register an Network connection event */
+#define API_EVENT(c,e,l) if (c->callback) {         \
+                           (*c->callback)(c, e, l); \
+                         }
+
+/** Set conn->last_err to err but don't overwrite fatal errors */
+#define NETCONN_SET_SAFE_ERR(conn, err) do { \
+  SYS_ARCH_DECL_PROTECT(lev); \
+  SYS_ARCH_PROTECT(lev); \
+  if (!ERR_IS_FATAL((conn)->last_err)) { \
+    (conn)->last_err = err; \
+  } \
+  SYS_ARCH_UNPROTECT(lev); \
+} while(0);
+
+/* Network connection functions: */
+#define netconn_new(t)                  netconn_new_with_proto_and_callback(t, 0, NULL)
+#define netconn_new_with_callback(t, c) netconn_new_with_proto_and_callback(t, 0, c)
+struct
+netconn *netconn_new_with_proto_and_callback(enum netconn_type t, u8_t proto,
+                                             netconn_callback callback);
+err_t   netconn_delete(struct netconn *conn);
+/** Get the type of a netconn (as enum netconn_type). */
+#define netconn_type(conn) (conn->type)
+
+err_t   netconn_getaddr(struct netconn *conn, ip_addr_t *addr,
+                        u16_t *port, u8_t local);
+#define netconn_peer(c,i,p) netconn_getaddr(c,i,p,0)
+#define netconn_addr(c,i,p) netconn_getaddr(c,i,p,1)
+
+err_t   netconn_bind(struct netconn *conn, ip_addr_t *addr, u16_t port);
+err_t   netconn_connect(struct netconn *conn, ip_addr_t *addr, u16_t port);
+err_t   netconn_disconnect (struct netconn *conn);
+err_t   netconn_listen_with_backlog(struct netconn *conn, u8_t backlog);
+#define netconn_listen(conn) netconn_listen_with_backlog(conn, TCP_DEFAULT_LISTEN_BACKLOG)
+err_t   netconn_accept(struct netconn *conn, struct netconn **new_conn);
+err_t   netconn_recv(struct netconn *conn, struct netbuf **new_buf);
+err_t   netconn_recv_tcp_pbuf(struct netconn *conn, struct pbuf **new_buf);
+void    netconn_recved(struct netconn *conn, u32_t length);
+err_t   netconn_sendto(struct netconn *conn, struct netbuf *buf,
+                       ip_addr_t *addr, u16_t port);
+err_t   netconn_send(struct netconn *conn, struct netbuf *buf);
+err_t   netconn_write(struct netconn *conn, const void *dataptr, size_t size,
+                      u8_t apiflags);
+err_t   netconn_close(struct netconn *conn);
+err_t   netconn_shutdown(struct netconn *conn, u8_t shut_rx, u8_t shut_tx);
+
+#if LWIP_IGMP
+err_t   netconn_join_leave_group(struct netconn *conn, ip_addr_t *multiaddr,
+                                 ip_addr_t *netif_addr, enum netconn_igmp join_or_leave);
+#endif /* LWIP_IGMP */
+#if LWIP_DNS
+err_t   netconn_gethostbyname(const char *name, ip_addr_t *addr);
+#endif /* LWIP_DNS */
+
+#define netconn_err(conn)               ((conn)->last_err)
+#define netconn_recv_bufsize(conn)      ((conn)->recv_bufsize)
+
+/** Set the blocking status of netconn calls (@todo: write/send is missing) */
+#define netconn_set_nonblocking(conn, val)  do { if(val) { \
+  (conn)->flags |= NETCONN_FLAG_NON_BLOCKING; \
+} else { \
+  (conn)->flags &= ~ NETCONN_FLAG_NON_BLOCKING; }} while(0)
+/** Get the blocking status of netconn calls (@todo: write/send is missing) */
+#define netconn_is_nonblocking(conn)        (((conn)->flags & NETCONN_FLAG_NON_BLOCKING) != 0)
+
+/** TCP: Set the no-auto-recved status of netconn calls (see NETCONN_FLAG_NO_AUTO_RECVED) */
+#define netconn_set_noautorecved(conn, val)  do { if(val) { \
+  (conn)->flags |= NETCONN_FLAG_NO_AUTO_RECVED; \
+} else { \
+  (conn)->flags &= ~ NETCONN_FLAG_NO_AUTO_RECVED; }} while(0)
+/** TCP: Get the no-auto-recved status of netconn calls (see NETCONN_FLAG_NO_AUTO_RECVED) */
+#define netconn_get_noautorecved(conn)        (((conn)->flags & NETCONN_FLAG_NO_AUTO_RECVED) != 0)
+
+#if LWIP_SO_RCVTIMEO
+/** Set the receive timeout in milliseconds */
+#define netconn_set_recvtimeout(conn, timeout)      ((conn)->recv_timeout = (timeout))
+/** Get the receive timeout in milliseconds */
+#define netconn_get_recvtimeout(conn)               ((conn)->recv_timeout)
+#endif /* LWIP_SO_RCVTIMEO */
+#if LWIP_SO_RCVBUF
+/** Set the receive buffer in bytes */
+#define netconn_set_recvbufsize(conn, recvbufsize)  ((conn)->recv_bufsize = (recvbufsize))
+/** Get the receive buffer in bytes */
+#define netconn_get_recvbufsize(conn)               ((conn)->recv_bufsize)
+#endif /* LWIP_SO_RCVBUF*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_NETCONN */
+
+#endif /* __LWIP_API_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/api_msg.h b/libraries/net/lwip/lwip/include/lwip/api_msg.h
new file mode 100644
index 0000000000..f99d8c3b71
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/api_msg.h
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_API_MSG_H__
+#define __LWIP_API_MSG_H__
+
+#include "lwip/opt.h"
+
+#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */
+
+#include  /* for size_t */
+
+#include "lwip/ip_addr.h"
+#include "lwip/err.h"
+#include "lwip/sys.h"
+#include "lwip/igmp.h"
+#include "lwip/api.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* For the netconn API, these values are use as a bitmask! */
+#define NETCONN_SHUT_RD   1
+#define NETCONN_SHUT_WR   2
+#define NETCONN_SHUT_RDWR (NETCONN_SHUT_RD | NETCONN_SHUT_WR)
+
+/* IP addresses and port numbers are expected to be in
+ * the same byte order as in the corresponding pcb.
+ */
+/** This struct includes everything that is necessary to execute a function
+    for a netconn in another thread context (mainly used to process netconns
+    in the tcpip_thread context to be thread safe). */
+struct api_msg_msg {
+  /** The netconn which to process - always needed: it includes the semaphore
+      which is used to block the application thread until the function finished. */
+  struct netconn *conn;
+  /** The return value of the function executed in tcpip_thread. */
+  err_t err;
+  /** Depending on the executed function, one of these union members is used */
+  union {
+    /** used for do_send */
+    struct netbuf *b;
+    /** used for do_newconn */
+    struct {
+      u8_t proto;
+    } n;
+    /** used for do_bind and do_connect */
+    struct {
+      ip_addr_t *ipaddr;
+      u16_t port;
+    } bc;
+    /** used for do_getaddr */
+    struct {
+      ip_addr_t *ipaddr;
+      u16_t *port;
+      u8_t local;
+    } ad;
+    /** used for do_write */
+    struct {
+      const void *dataptr;
+      size_t len;
+      u8_t apiflags;
+    } w;
+    /** used for do_recv */
+    struct {
+      u32_t len;
+    } r;
+    /** used for do_close (/shutdown) */
+    struct {
+      u8_t shut;
+    } sd;
+#if LWIP_IGMP
+    /** used for do_join_leave_group */
+    struct {
+      ip_addr_t *multiaddr;
+      ip_addr_t *netif_addr;
+      enum netconn_igmp join_or_leave;
+    } jl;
+#endif /* LWIP_IGMP */
+#if TCP_LISTEN_BACKLOG
+    struct {
+      u8_t backlog;
+    } lb;
+#endif /* TCP_LISTEN_BACKLOG */
+  } msg;
+};
+
+/** This struct contains a function to execute in another thread context and
+    a struct api_msg_msg that serves as an argument for this function.
+    This is passed to tcpip_apimsg to execute functions in tcpip_thread context. */
+struct api_msg {
+  /** function to execute in tcpip_thread context */
+  void (* function)(struct api_msg_msg *msg);
+  /** arguments for this function */
+  struct api_msg_msg msg;
+};
+
+#if LWIP_DNS
+/** As do_gethostbyname requires more arguments but doesn't require a netconn,
+    it has its own struct (to avoid struct api_msg getting bigger than necessary).
+    do_gethostbyname must be called using tcpip_callback instead of tcpip_apimsg
+    (see netconn_gethostbyname). */
+struct dns_api_msg {
+  /** Hostname to query or dotted IP address string */
+  const char *name;
+  /** Rhe resolved address is stored here */
+  ip_addr_t *addr;
+  /** This semaphore is posted when the name is resolved, the application thread
+      should wait on it. */
+  sys_sem_t *sem;
+  /** Errors are given back here */
+  err_t *err;
+};
+#endif /* LWIP_DNS */
+
+void do_newconn         ( struct api_msg_msg *msg);
+void do_delconn         ( struct api_msg_msg *msg);
+void do_bind            ( struct api_msg_msg *msg);
+void do_connect         ( struct api_msg_msg *msg);
+void do_disconnect      ( struct api_msg_msg *msg);
+void do_listen          ( struct api_msg_msg *msg);
+void do_send            ( struct api_msg_msg *msg);
+void do_recv            ( struct api_msg_msg *msg);
+void do_write           ( struct api_msg_msg *msg);
+void do_getaddr         ( struct api_msg_msg *msg);
+void do_close           ( struct api_msg_msg *msg);
+void do_shutdown        ( struct api_msg_msg *msg);
+#if LWIP_IGMP
+void do_join_leave_group( struct api_msg_msg *msg);
+#endif /* LWIP_IGMP */
+
+#if LWIP_DNS
+void do_gethostbyname(void *arg);
+#endif /* LWIP_DNS */
+
+struct netconn* netconn_alloc(enum netconn_type t, netconn_callback callback);
+void netconn_free(struct netconn *conn);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_NETCONN */
+
+#endif /* __LWIP_API_MSG_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/arch.h b/libraries/net/lwip/lwip/include/lwip/arch.h
new file mode 100644
index 0000000000..524af6be03
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/arch.h
@@ -0,0 +1,238 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_ARCH_H__
+#define __LWIP_ARCH_H__
+
+#ifndef LITTLE_ENDIAN
+#define LITTLE_ENDIAN 1234
+#endif
+
+#ifndef BIG_ENDIAN
+#define BIG_ENDIAN 4321
+#endif
+
+#include "arch/cc.h"
+
+/** Temporary: define format string for size_t if not defined in cc.h */
+#ifndef SZT_F
+#define SZT_F U32_F
+#endif /* SZT_F */
+/** Temporary upgrade helper: define format string for u8_t as hex if not
+    defined in cc.h */
+#ifndef X8_F
+#define X8_F  "02x"
+#endif /* X8_F */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef PACK_STRUCT_BEGIN
+#define PACK_STRUCT_BEGIN
+#endif /* PACK_STRUCT_BEGIN */
+
+#ifndef PACK_STRUCT_END
+#define PACK_STRUCT_END
+#endif /* PACK_STRUCT_END */
+
+#ifndef PACK_STRUCT_FIELD
+#define PACK_STRUCT_FIELD(x) x
+#endif /* PACK_STRUCT_FIELD */
+
+
+#ifndef LWIP_UNUSED_ARG
+#define LWIP_UNUSED_ARG(x) (void)x
+#endif /* LWIP_UNUSED_ARG */ 
+
+
+#ifdef LWIP_PROVIDE_ERRNO
+
+#define  EPERM         1  /* Operation not permitted */
+#define  ENOENT        2  /* No such file or directory */
+#define  ESRCH         3  /* No such process */
+#define  EINTR         4  /* Interrupted system call */
+#define  EIO           5  /* I/O error */
+#define  ENXIO         6  /* No such device or address */
+#define  E2BIG         7  /* Arg list too long */
+#define  ENOEXEC       8  /* Exec format error */
+#define  EBADF         9  /* Bad file number */
+#define  ECHILD       10  /* No child processes */
+#define  EAGAIN       11  /* Try again */
+#define  ENOMEM       12  /* Out of memory */
+#define  EACCES       13  /* Permission denied */
+#define  EFAULT       14  /* Bad address */
+#define  ENOTBLK      15  /* Block device required */
+#define  EBUSY        16  /* Device or resource busy */
+#define  EEXIST       17  /* File exists */
+#define  EXDEV        18  /* Cross-device link */
+#define  ENODEV       19  /* No such device */
+#define  ENOTDIR      20  /* Not a directory */
+#define  EISDIR       21  /* Is a directory */
+#define  EINVAL       22  /* Invalid argument */
+#define  ENFILE       23  /* File table overflow */
+#define  EMFILE       24  /* Too many open files */
+#define  ENOTTY       25  /* Not a typewriter */
+#define  ETXTBSY      26  /* Text file busy */
+#define  EFBIG        27  /* File too large */
+#define  ENOSPC       28  /* No space left on device */
+#define  ESPIPE       29  /* Illegal seek */
+#define  EROFS        30  /* Read-only file system */
+#define  EMLINK       31  /* Too many links */
+#define  EPIPE        32  /* Broken pipe */
+#define  EDOM         33  /* Math argument out of domain of func */
+#define  ERANGE       34  /* Math result not representable */
+#define  EDEADLK      35  /* Resource deadlock would occur */
+#define  ENAMETOOLONG 36  /* File name too long */
+#define  ENOLCK       37  /* No record locks available */
+#define  ENOSYS       38  /* Function not implemented */
+#define  ENOTEMPTY    39  /* Directory not empty */
+#define  ELOOP        40  /* Too many symbolic links encountered */
+#define  EWOULDBLOCK  EAGAIN  /* Operation would block */
+#define  ENOMSG       42  /* No message of desired type */
+#define  EIDRM        43  /* Identifier removed */
+#define  ECHRNG       44  /* Channel number out of range */
+#define  EL2NSYNC     45  /* Level 2 not synchronized */
+#define  EL3HLT       46  /* Level 3 halted */
+#define  EL3RST       47  /* Level 3 reset */
+#define  ELNRNG       48  /* Link number out of range */
+#define  EUNATCH      49  /* Protocol driver not attached */
+#define  ENOCSI       50  /* No CSI structure available */
+#define  EL2HLT       51  /* Level 2 halted */
+#define  EBADE        52  /* Invalid exchange */
+#define  EBADR        53  /* Invalid request descriptor */
+#define  EXFULL       54  /* Exchange full */
+#define  ENOANO       55  /* No anode */
+#define  EBADRQC      56  /* Invalid request code */
+#define  EBADSLT      57  /* Invalid slot */
+
+#define  EDEADLOCK    EDEADLK
+
+#define  EBFONT       59  /* Bad font file format */
+#define  ENOSTR       60  /* Device not a stream */
+#define  ENODATA      61  /* No data available */
+#define  ETIME        62  /* Timer expired */
+#define  ENOSR        63  /* Out of streams resources */
+#define  ENONET       64  /* Machine is not on the network */
+#define  ENOPKG       65  /* Package not installed */
+#define  EREMOTE      66  /* Object is remote */
+#define  ENOLINK      67  /* Link has been severed */
+#define  EADV         68  /* Advertise error */
+#define  ESRMNT       69  /* Srmount error */
+#define  ECOMM        70  /* Communication error on send */
+#define  EPROTO       71  /* Protocol error */
+#define  EMULTIHOP    72  /* Multihop attempted */
+#define  EDOTDOT      73  /* RFS specific error */
+#define  EBADMSG      74  /* Not a data message */
+#define  EOVERFLOW    75  /* Value too large for defined data type */
+#define  ENOTUNIQ     76  /* Name not unique on network */
+#define  EBADFD       77  /* File descriptor in bad state */
+#define  EREMCHG      78  /* Remote address changed */
+#define  ELIBACC      79  /* Can not access a needed shared library */
+#define  ELIBBAD      80  /* Accessing a corrupted shared library */
+#define  ELIBSCN      81  /* .lib section in a.out corrupted */
+#define  ELIBMAX      82  /* Attempting to link in too many shared libraries */
+#define  ELIBEXEC     83  /* Cannot exec a shared library directly */
+#define  EILSEQ       84  /* Illegal byte sequence */
+#define  ERESTART     85  /* Interrupted system call should be restarted */
+#define  ESTRPIPE     86  /* Streams pipe error */
+#define  EUSERS       87  /* Too many users */
+#define  ENOTSOCK     88  /* Socket operation on non-socket */
+#define  EDESTADDRREQ 89  /* Destination address required */
+#define  EMSGSIZE     90  /* Message too long */
+#define  EPROTOTYPE   91  /* Protocol wrong type for socket */
+#define  ENOPROTOOPT  92  /* Protocol not available */
+#define  EPROTONOSUPPORT 93  /* Protocol not supported */
+#define  ESOCKTNOSUPPORT 94  /* Socket type not supported */
+#define  EOPNOTSUPP      95  /* Operation not supported on transport endpoint */
+#define  EPFNOSUPPORT    96  /* Protocol family not supported */
+#define  EAFNOSUPPORT    97  /* Address family not supported by protocol */
+#define  EADDRINUSE      98  /* Address already in use */
+#define  EADDRNOTAVAIL   99  /* Cannot assign requested address */
+#define  ENETDOWN       100  /* Network is down */
+#define  ENETUNREACH    101  /* Network is unreachable */
+#define  ENETRESET      102  /* Network dropped connection because of reset */
+#define  ECONNABORTED   103  /* Software caused connection abort */
+#define  ECONNRESET     104  /* Connection reset by peer */
+#define  ENOBUFS        105  /* No buffer space available */
+#define  EISCONN        106  /* Transport endpoint is already connected */
+#define  ENOTCONN       107  /* Transport endpoint is not connected */
+#define  ESHUTDOWN      108  /* Cannot send after transport endpoint shutdown */
+#define  ETOOMANYREFS   109  /* Too many references: cannot splice */
+#define  ETIMEDOUT      110  /* Connection timed out */
+#define  ECONNREFUSED   111  /* Connection refused */
+#define  EHOSTDOWN      112  /* Host is down */
+#define  EHOSTUNREACH   113  /* No route to host */
+#define  EALREADY       114  /* Operation already in progress */
+#define  EINPROGRESS    115  /* Operation now in progress */
+#define  ESTALE         116  /* Stale NFS file handle */
+#define  EUCLEAN        117  /* Structure needs cleaning */
+#define  ENOTNAM        118  /* Not a XENIX named type file */
+#define  ENAVAIL        119  /* No XENIX semaphores available */
+#define  EISNAM         120  /* Is a named type file */
+#define  EREMOTEIO      121  /* Remote I/O error */
+#define  EDQUOT         122  /* Quota exceeded */
+
+#define  ENOMEDIUM      123  /* No medium found */
+#define  EMEDIUMTYPE    124  /* Wrong medium type */
+
+
+#define ENSROK                    0 /* DNS server returned answer with no data */
+#define ENSRNODATA              160 /* DNS server returned answer with no data */
+#define ENSRFORMERR             161 /* DNS server claims query was misformatted */
+#define ENSRSERVFAIL            162 /* DNS server returned general failure */
+#define ENSRNOTFOUND            163 /* Domain name not found */
+#define ENSRNOTIMP              164 /* DNS server does not implement requested operation */
+#define ENSRREFUSED             165 /* DNS server refused query */
+#define ENSRBADQUERY            166 /* Misformatted DNS query */
+#define ENSRBADNAME             167 /* Misformatted domain name */
+#define ENSRBADFAMILY           168 /* Unsupported address family */
+#define ENSRBADRESP             169 /* Misformatted DNS reply */
+#define ENSRCONNREFUSED         170 /* Could not contact DNS servers */
+#define ENSRTIMEOUT             171 /* Timeout while contacting DNS servers */
+#define ENSROF                  172 /* End of file */
+#define ENSRFILE                173 /* Error reading file */
+#define ENSRNOMEM               174 /* Out of memory */
+#define ENSRDESTRUCTION         175 /* Application terminated lookup */
+#define ENSRQUERYDOMAINTOOLONG  176 /* Domain name is too long */
+#define ENSRCNAMELOOP           177 /* Domain name is too long */
+
+#ifndef errno
+extern int errno;
+#endif
+
+#endif /* LWIP_PROVIDE_ERRNO */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_ARCH_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/debug.h b/libraries/net/lwip/lwip/include/lwip/debug.h
new file mode 100644
index 0000000000..d8359ea3a5
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/debug.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_DEBUG_H__
+#define __LWIP_DEBUG_H__
+
+#include "lwip/arch.h"
+
+/** lower two bits indicate debug level
+ * - 0 all
+ * - 1 warning
+ * - 2 serious
+ * - 3 severe
+ */
+#define LWIP_DBG_LEVEL_ALL     0x00
+#define LWIP_DBG_LEVEL_OFF     LWIP_DBG_LEVEL_ALL /* compatibility define only */
+#define LWIP_DBG_LEVEL_WARNING 0x01 /* bad checksums, dropped packets, ... */
+#define LWIP_DBG_LEVEL_SERIOUS 0x02 /* memory allocation failures, ... */
+#define LWIP_DBG_LEVEL_SEVERE  0x03
+#define LWIP_DBG_MASK_LEVEL    0x03
+
+/** flag for LWIP_DEBUGF to enable that debug message */
+#define LWIP_DBG_ON            0x80U
+/** flag for LWIP_DEBUGF to disable that debug message */
+#define LWIP_DBG_OFF           0x00U
+
+/** flag for LWIP_DEBUGF indicating a tracing message (to follow program flow) */
+#define LWIP_DBG_TRACE         0x40U
+/** flag for LWIP_DEBUGF indicating a state debug message (to follow module states) */
+#define LWIP_DBG_STATE         0x20U
+/** flag for LWIP_DEBUGF indicating newly added code, not thoroughly tested yet */
+#define LWIP_DBG_FRESH         0x10U
+/** flag for LWIP_DEBUGF to halt after printing this debug message */
+#define LWIP_DBG_HALT          0x08U
+
+#ifndef LWIP_NOASSERT
+#define LWIP_ASSERT(message, assertion) do { if(!(assertion)) \
+  LWIP_PLATFORM_ASSERT(message); } while(0)
+#else  /* LWIP_NOASSERT */
+#define LWIP_ASSERT(message, assertion) 
+#endif /* LWIP_NOASSERT */
+
+/** if "expression" isn't true, then print "message" and execute "handler" expression */
+#ifndef LWIP_ERROR
+#define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \
+  LWIP_PLATFORM_ASSERT(message); handler;}} while(0)
+#endif /* LWIP_ERROR */
+
+#ifdef LWIP_DEBUG
+/** print debug message only if debug message type is enabled...
+ *  AND is of correct type AND is at least LWIP_DBG_LEVEL
+ */
+#define LWIP_DEBUGF(debug, message) do { \
+                               if ( \
+                                   ((debug) & LWIP_DBG_ON) && \
+                                   ((debug) & LWIP_DBG_TYPES_ON) && \
+                                   ((s16_t)((debug) & LWIP_DBG_MASK_LEVEL) >= LWIP_DBG_MIN_LEVEL)) { \
+                                 LWIP_PLATFORM_DIAG(message); \
+                                 if ((debug) & LWIP_DBG_HALT) { \
+                                   while(1); \
+                                 } \
+                               } \
+                             } while(0)
+
+#else  /* LWIP_DEBUG */
+#define LWIP_DEBUGF(debug, message) 
+#endif /* LWIP_DEBUG */
+
+#endif /* __LWIP_DEBUG_H__ */
+
diff --git a/libraries/net/lwip/lwip/include/lwip/def.h b/libraries/net/lwip/lwip/include/lwip/def.h
new file mode 100644
index 0000000000..9b6de6a8b8
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/def.h
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_DEF_H__
+#define __LWIP_DEF_H__
+
+/* arch.h might define NULL already */
+#include "lwip/arch.h"
+#include "lwip/opt.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define LWIP_MAX(x , y)  (((x) > (y)) ? (x) : (y))
+#define LWIP_MIN(x , y)  (((x) < (y)) ? (x) : (y))
+
+#ifndef NULL
+#define NULL ((void *)0)
+#endif
+
+/** Get the absolute difference between 2 u32_t values (correcting overflows)
+ * 'a' is expected to be 'higher' (without overflow) than 'b'. */
+#define LWIP_U32_DIFF(a, b) (((a) >= (b)) ? ((a) - (b)) : (((a) + ((b) ^ 0xFFFFFFFF) + 1))) 
+
+/* Endianess-optimized shifting of two u8_t to create one u16_t */
+#if BYTE_ORDER == LITTLE_ENDIAN
+#define LWIP_MAKE_U16(a, b) ((a << 8) | b)
+#else
+#define LWIP_MAKE_U16(a, b) ((b << 8) | a)
+#endif 
+
+#ifndef LWIP_PLATFORM_BYTESWAP
+#define LWIP_PLATFORM_BYTESWAP 0
+#endif
+
+#ifndef LWIP_PREFIX_BYTEORDER_FUNCS
+/* workaround for naming collisions on some platforms */
+
+#ifdef htons
+#undef htons
+#endif /* htons */
+#ifdef htonl
+#undef htonl
+#endif /* htonl */
+#ifdef ntohs
+#undef ntohs
+#endif /* ntohs */
+#ifdef ntohl
+#undef ntohl
+#endif /* ntohl */
+
+#define htons(x) lwip_htons(x)
+#define ntohs(x) lwip_ntohs(x)
+#define htonl(x) lwip_htonl(x)
+#define ntohl(x) lwip_ntohl(x)
+#endif /* LWIP_PREFIX_BYTEORDER_FUNCS */
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define lwip_htons(x) (x)
+#define lwip_ntohs(x) (x)
+#define lwip_htonl(x) (x)
+#define lwip_ntohl(x) (x)
+#define PP_HTONS(x) (x)
+#define PP_NTOHS(x) (x)
+#define PP_HTONL(x) (x)
+#define PP_NTOHL(x) (x)
+#else /* BYTE_ORDER != BIG_ENDIAN */
+#if LWIP_PLATFORM_BYTESWAP
+#define lwip_htons(x) LWIP_PLATFORM_HTONS(x)
+#define lwip_ntohs(x) LWIP_PLATFORM_HTONS(x)
+#define lwip_htonl(x) LWIP_PLATFORM_HTONL(x)
+#define lwip_ntohl(x) LWIP_PLATFORM_HTONL(x)
+#else /* LWIP_PLATFORM_BYTESWAP */
+u16_t lwip_htons(u16_t x);
+u16_t lwip_ntohs(u16_t x);
+u32_t lwip_htonl(u32_t x);
+u32_t lwip_ntohl(u32_t x);
+#endif /* LWIP_PLATFORM_BYTESWAP */
+
+/* These macros should be calculated by the preprocessor and are used
+   with compile-time constants only (so that there is no little-endian
+   overhead at runtime). */
+#define PP_HTONS(x) ((((x) & 0xff) << 8) | (((x) & 0xff00) >> 8))
+#define PP_NTOHS(x) PP_HTONS(x)
+#define PP_HTONL(x) ((((x) & 0xff) << 24) | \
+                     (((x) & 0xff00) << 8) | \
+                     (((x) & 0xff0000UL) >> 8) | \
+                     (((x) & 0xff000000UL) >> 24))
+#define PP_NTOHL(x) PP_HTONL(x)
+
+#endif /* BYTE_ORDER == BIG_ENDIAN */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_DEF_H__ */
+
diff --git a/libraries/net/lwip/lwip/include/lwip/dhcp.h b/libraries/net/lwip/lwip/include/lwip/dhcp.h
new file mode 100644
index 0000000000..32d93381d1
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/dhcp.h
@@ -0,0 +1,242 @@
+/** @file
+ */
+
+#ifndef __LWIP_DHCP_H__
+#define __LWIP_DHCP_H__
+
+#include "lwip/opt.h"
+
+#if LWIP_DHCP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/netif.h"
+#include "lwip/udp.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** period (in seconds) of the application calling dhcp_coarse_tmr() */
+#define DHCP_COARSE_TIMER_SECS 60 
+/** period (in milliseconds) of the application calling dhcp_coarse_tmr() */
+#define DHCP_COARSE_TIMER_MSECS (DHCP_COARSE_TIMER_SECS * 1000UL)
+/** period (in milliseconds) of the application calling dhcp_fine_tmr() */
+#define DHCP_FINE_TIMER_MSECS 500 
+
+#define DHCP_CHADDR_LEN 16U
+#define DHCP_SNAME_LEN  64U
+#define DHCP_FILE_LEN   128U
+
+struct dhcp
+{
+  /** transaction identifier of last sent request */ 
+  u32_t xid;
+  /** our connection to the DHCP server */ 
+  struct udp_pcb *pcb;
+  /** incoming msg */
+  struct dhcp_msg *msg_in;
+  /** current DHCP state machine state */
+  u8_t state;
+  /** retries of current request */
+  u8_t tries;
+#if LWIP_DHCP_AUTOIP_COOP
+  u8_t autoip_coop_state;
+#endif
+  u8_t subnet_mask_given;
+
+  struct pbuf *p_out; /* pbuf of outcoming msg */
+  struct dhcp_msg *msg_out; /* outgoing msg */
+  u16_t options_out_len; /* outgoing msg options length */
+  u16_t request_timeout; /* #ticks with period DHCP_FINE_TIMER_SECS for request timeout */
+  u16_t t1_timeout;  /* #ticks with period DHCP_COARSE_TIMER_SECS for renewal time */
+  u16_t t2_timeout;  /* #ticks with period DHCP_COARSE_TIMER_SECS for rebind time */
+  ip_addr_t server_ip_addr; /* dhcp server address that offered this lease */
+  ip_addr_t offered_ip_addr;
+  ip_addr_t offered_sn_mask;
+  ip_addr_t offered_gw_addr;
+ 
+  u32_t offered_t0_lease; /* lease period (in seconds) */
+  u32_t offered_t1_renew; /* recommended renew time (usually 50% of lease period) */
+  u32_t offered_t2_rebind; /* recommended rebind time (usually 66% of lease period)  */
+  /* @todo: LWIP_DHCP_BOOTP_FILE configuration option?
+     integrate with possible TFTP-client for booting? */
+#if LWIP_DHCP_BOOTP_FILE
+  ip_addr_t offered_si_addr;
+  char boot_file_name[DHCP_FILE_LEN];
+#endif /* LWIP_DHCP_BOOTPFILE */
+};
+
+/* MUST be compiled with "pack structs" or equivalent! */
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+/** minimum set of fields of any DHCP message */
+struct dhcp_msg
+{
+  PACK_STRUCT_FIELD(u8_t op);
+  PACK_STRUCT_FIELD(u8_t htype);
+  PACK_STRUCT_FIELD(u8_t hlen);
+  PACK_STRUCT_FIELD(u8_t hops);
+  PACK_STRUCT_FIELD(u32_t xid);
+  PACK_STRUCT_FIELD(u16_t secs);
+  PACK_STRUCT_FIELD(u16_t flags);
+  PACK_STRUCT_FIELD(ip_addr_p_t ciaddr);
+  PACK_STRUCT_FIELD(ip_addr_p_t yiaddr);
+  PACK_STRUCT_FIELD(ip_addr_p_t siaddr);
+  PACK_STRUCT_FIELD(ip_addr_p_t giaddr);
+  PACK_STRUCT_FIELD(u8_t chaddr[DHCP_CHADDR_LEN]);
+  PACK_STRUCT_FIELD(u8_t sname[DHCP_SNAME_LEN]);
+  PACK_STRUCT_FIELD(u8_t file[DHCP_FILE_LEN]);
+  PACK_STRUCT_FIELD(u32_t cookie);
+#define DHCP_MIN_OPTIONS_LEN 68U
+/** make sure user does not configure this too small */
+#if ((defined(DHCP_OPTIONS_LEN)) && (DHCP_OPTIONS_LEN < DHCP_MIN_OPTIONS_LEN))
+#  undef DHCP_OPTIONS_LEN
+#endif
+/** allow this to be configured in lwipopts.h, but not too small */
+#if (!defined(DHCP_OPTIONS_LEN))
+/** set this to be sufficient for your options in outgoing DHCP msgs */
+#  define DHCP_OPTIONS_LEN DHCP_MIN_OPTIONS_LEN
+#endif
+  PACK_STRUCT_FIELD(u8_t options[DHCP_OPTIONS_LEN]);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+void dhcp_set_struct(struct netif *netif, struct dhcp *dhcp);
+/** Remove a struct dhcp previously set to the netif using dhcp_set_struct() */
+#define dhcp_remove_struct(netif) do { (netif)->dhcp = NULL; } while(0)
+void dhcp_cleanup(struct netif *netif);
+/** start DHCP configuration */
+err_t dhcp_start(struct netif *netif);
+/** enforce early lease renewal (not needed normally)*/
+err_t dhcp_renew(struct netif *netif);
+/** release the DHCP lease, usually called before dhcp_stop()*/
+err_t dhcp_release(struct netif *netif);
+/** stop DHCP configuration */
+void dhcp_stop(struct netif *netif);
+/** inform server of our manual IP address */
+void dhcp_inform(struct netif *netif);
+/** Handle a possible change in the network configuration */
+void dhcp_network_changed(struct netif *netif);
+
+/** if enabled, check whether the offered IP address is not in use, using ARP */
+#if DHCP_DOES_ARP_CHECK
+void dhcp_arp_reply(struct netif *netif, ip_addr_t *addr);
+#endif
+
+/** to be called every minute */
+void dhcp_coarse_tmr(void);
+/** to be called every half second */
+void dhcp_fine_tmr(void);
+ 
+/** DHCP message item offsets and length */
+#define DHCP_OP_OFS       0
+#define DHCP_HTYPE_OFS    1
+#define DHCP_HLEN_OFS     2
+#define DHCP_HOPS_OFS     3
+#define DHCP_XID_OFS      4
+#define DHCP_SECS_OFS     8
+#define DHCP_FLAGS_OFS    10
+#define DHCP_CIADDR_OFS   12
+#define DHCP_YIADDR_OFS   16
+#define DHCP_SIADDR_OFS   20
+#define DHCP_GIADDR_OFS   24
+#define DHCP_CHADDR_OFS   28
+#define DHCP_SNAME_OFS    44
+#define DHCP_FILE_OFS     108
+#define DHCP_MSG_LEN      236
+
+#define DHCP_COOKIE_OFS   DHCP_MSG_LEN
+#define DHCP_OPTIONS_OFS  (DHCP_MSG_LEN + 4)
+
+#define DHCP_CLIENT_PORT  68  
+#define DHCP_SERVER_PORT  67
+
+/** DHCP client states */
+#define DHCP_OFF          0
+#define DHCP_REQUESTING   1
+#define DHCP_INIT         2
+#define DHCP_REBOOTING    3
+#define DHCP_REBINDING    4
+#define DHCP_RENEWING     5
+#define DHCP_SELECTING    6
+#define DHCP_INFORMING    7
+#define DHCP_CHECKING     8
+#define DHCP_PERMANENT    9
+#define DHCP_BOUND        10
+/** not yet implemented #define DHCP_RELEASING 11 */
+#define DHCP_BACKING_OFF  12
+
+/** AUTOIP cooperatation flags */
+#define DHCP_AUTOIP_COOP_STATE_OFF  0
+#define DHCP_AUTOIP_COOP_STATE_ON   1
+ 
+#define DHCP_BOOTREQUEST  1
+#define DHCP_BOOTREPLY    2
+
+/** DHCP message types */
+#define DHCP_DISCOVER 1
+#define DHCP_OFFER    2
+#define DHCP_REQUEST  3
+#define DHCP_DECLINE  4
+#define DHCP_ACK      5
+#define DHCP_NAK      6
+#define DHCP_RELEASE  7
+#define DHCP_INFORM   8
+
+/** DHCP hardware type, currently only ethernet is supported */
+#define DHCP_HTYPE_ETH 1
+
+#define DHCP_MAGIC_COOKIE 0x63825363UL
+
+/* This is a list of options for BOOTP and DHCP, see RFC 2132 for descriptions */
+
+/** BootP options */
+#define DHCP_OPTION_PAD 0
+#define DHCP_OPTION_SUBNET_MASK 1 /* RFC 2132 3.3 */
+#define DHCP_OPTION_ROUTER 3
+#define DHCP_OPTION_DNS_SERVER 6 
+#define DHCP_OPTION_HOSTNAME 12
+#define DHCP_OPTION_IP_TTL 23
+#define DHCP_OPTION_MTU 26
+#define DHCP_OPTION_BROADCAST 28
+#define DHCP_OPTION_TCP_TTL 37
+#define DHCP_OPTION_END 255
+
+/** DHCP options */
+#define DHCP_OPTION_REQUESTED_IP 50 /* RFC 2132 9.1, requested IP address */
+#define DHCP_OPTION_LEASE_TIME 51 /* RFC 2132 9.2, time in seconds, in 4 bytes */
+#define DHCP_OPTION_OVERLOAD 52 /* RFC2132 9.3, use file and/or sname field for options */
+
+#define DHCP_OPTION_MESSAGE_TYPE 53 /* RFC 2132 9.6, important for DHCP */
+#define DHCP_OPTION_MESSAGE_TYPE_LEN 1
+
+#define DHCP_OPTION_SERVER_ID 54 /* RFC 2132 9.7, server IP address */
+#define DHCP_OPTION_PARAMETER_REQUEST_LIST 55 /* RFC 2132 9.8, requested option types */
+
+#define DHCP_OPTION_MAX_MSG_SIZE 57 /* RFC 2132 9.10, message size accepted >= 576 */
+#define DHCP_OPTION_MAX_MSG_SIZE_LEN 2
+
+#define DHCP_OPTION_T1 58 /* T1 renewal time */
+#define DHCP_OPTION_T2 59 /* T2 rebinding time */
+#define DHCP_OPTION_US 60
+#define DHCP_OPTION_CLIENT_ID 61
+#define DHCP_OPTION_TFTP_SERVERNAME 66
+#define DHCP_OPTION_BOOTFILE 67
+
+/** possible combinations of overloading the file and sname fields with options */
+#define DHCP_OVERLOAD_NONE 0
+#define DHCP_OVERLOAD_FILE 1
+#define DHCP_OVERLOAD_SNAME  2
+#define DHCP_OVERLOAD_SNAME_FILE 3
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_DHCP */
+
+#endif /*__LWIP_DHCP_H__*/
diff --git a/libraries/net/lwip/lwip/include/lwip/dns.h b/libraries/net/lwip/lwip/include/lwip/dns.h
new file mode 100644
index 0000000000..6c7d9b0739
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/dns.h
@@ -0,0 +1,124 @@
+/**
+ * lwip DNS resolver header file.
+
+ * Author: Jim Pettinato 
+ *   April 2007
+
+ * ported from uIP resolv.c Copyright (c) 2002-2003, Adam Dunkels.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __LWIP_DNS_H__
+#define __LWIP_DNS_H__
+
+#include "lwip/opt.h"
+
+#if LWIP_DNS /* don't build if not configured for use in lwipopts.h */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** DNS timer period */
+#define DNS_TMR_INTERVAL          1000
+
+/** DNS field TYPE used for "Resource Records" */
+#define DNS_RRTYPE_A              1     /* a host address */
+#define DNS_RRTYPE_NS             2     /* an authoritative name server */
+#define DNS_RRTYPE_MD             3     /* a mail destination (Obsolete - use MX) */
+#define DNS_RRTYPE_MF             4     /* a mail forwarder (Obsolete - use MX) */
+#define DNS_RRTYPE_CNAME          5     /* the canonical name for an alias */
+#define DNS_RRTYPE_SOA            6     /* marks the start of a zone of authority */
+#define DNS_RRTYPE_MB             7     /* a mailbox domain name (EXPERIMENTAL) */
+#define DNS_RRTYPE_MG             8     /* a mail group member (EXPERIMENTAL) */
+#define DNS_RRTYPE_MR             9     /* a mail rename domain name (EXPERIMENTAL) */
+#define DNS_RRTYPE_NULL           10    /* a null RR (EXPERIMENTAL) */
+#define DNS_RRTYPE_WKS            11    /* a well known service description */
+#define DNS_RRTYPE_PTR            12    /* a domain name pointer */
+#define DNS_RRTYPE_HINFO          13    /* host information */
+#define DNS_RRTYPE_MINFO          14    /* mailbox or mail list information */
+#define DNS_RRTYPE_MX             15    /* mail exchange */
+#define DNS_RRTYPE_TXT            16    /* text strings */
+
+/** DNS field CLASS used for "Resource Records" */
+#define DNS_RRCLASS_IN            1     /* the Internet */
+#define DNS_RRCLASS_CS            2     /* the CSNET class (Obsolete - used only for examples in some obsolete RFCs) */
+#define DNS_RRCLASS_CH            3     /* the CHAOS class */
+#define DNS_RRCLASS_HS            4     /* Hesiod [Dyer 87] */
+#define DNS_RRCLASS_FLUSH         0x800 /* Flush bit */
+
+/* The size used for the next line is rather a hack, but it prevents including socket.h in all files
+   that include memp.h, and that would possibly break portability (since socket.h defines some types
+   and constants possibly already define by the OS).
+   Calculation rule:
+   sizeof(struct addrinfo) + sizeof(struct sockaddr_in) + DNS_MAX_NAME_LENGTH + 1 byte zero-termination */
+#define NETDB_ELEM_SIZE           (32 + 16 + DNS_MAX_NAME_LENGTH + 1)
+
+#if DNS_LOCAL_HOSTLIST
+/** struct used for local host-list */
+struct local_hostlist_entry {
+  /** static hostname */
+  const char *name;
+  /** static host address in network byteorder */
+  ip_addr_t addr;
+  struct local_hostlist_entry *next;
+};
+#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC
+#ifndef DNS_LOCAL_HOSTLIST_MAX_NAMELEN
+#define DNS_LOCAL_HOSTLIST_MAX_NAMELEN  DNS_MAX_NAME_LENGTH
+#endif
+#define LOCALHOSTLIST_ELEM_SIZE ((sizeof(struct local_hostlist_entry) + DNS_LOCAL_HOSTLIST_MAX_NAMELEN + 1))
+#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
+#endif /* DNS_LOCAL_HOSTLIST */
+
+/** Callback which is invoked when a hostname is found.
+ * A function of this type must be implemented by the application using the DNS resolver.
+ * @param name pointer to the name that was looked up.
+ * @param ipaddr pointer to an ip_addr_t containing the IP address of the hostname,
+ *        or NULL if the name could not be found (or on any other error).
+ * @param callback_arg a user-specified callback argument passed to dns_gethostbyname
+*/
+typedef void (*dns_found_callback)(const char *name, ip_addr_t *ipaddr, void *callback_arg);
+
+void           dns_init(void);
+void           dns_tmr(void);
+void           dns_setserver(u8_t numdns, ip_addr_t *dnsserver);
+ip_addr_t      dns_getserver(u8_t numdns);
+err_t          dns_gethostbyname(const char *hostname, ip_addr_t *addr,
+                                 dns_found_callback found, void *callback_arg);
+
+#if DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC
+int            dns_local_removehost(const char *hostname, const ip_addr_t *addr);
+err_t          dns_local_addhost(const char *hostname, const ip_addr_t *addr);
+#endif /* DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_DNS */
+
+#endif /* __LWIP_DNS_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/err.h b/libraries/net/lwip/lwip/include/lwip/err.h
new file mode 100644
index 0000000000..ac907729fc
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/err.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_ERR_H__
+#define __LWIP_ERR_H__
+
+#include "lwip/opt.h"
+#include "lwip/arch.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Define LWIP_ERR_T in cc.h if you want to use
+ *  a different type for your platform (must be signed). */
+#ifdef LWIP_ERR_T
+typedef LWIP_ERR_T err_t;
+#else /* LWIP_ERR_T */
+typedef s8_t err_t;
+#endif /* LWIP_ERR_T*/
+
+/* Definitions for error constants. */
+
+#define ERR_OK          0    /* No error, everything OK. */
+#define ERR_MEM        -1    /* Out of memory error.     */
+#define ERR_BUF        -2    /* Buffer error.            */
+#define ERR_TIMEOUT    -3    /* Timeout.                 */
+#define ERR_RTE        -4    /* Routing problem.         */
+#define ERR_INPROGRESS -5    /* Operation in progress    */
+#define ERR_VAL        -6    /* Illegal value.           */
+#define ERR_WOULDBLOCK -7    /* Operation would block.   */
+#define ERR_USE        -8    /* Address in use.          */
+#define ERR_ISCONN     -9    /* Already connected.       */
+
+#define ERR_IS_FATAL(e) ((e) < ERR_ISCONN)
+
+#define ERR_ABRT       -10   /* Connection aborted.      */
+#define ERR_RST        -11   /* Connection reset.        */
+#define ERR_CLSD       -12   /* Connection closed.       */
+#define ERR_CONN       -13   /* Not connected.           */
+
+#define ERR_ARG        -14   /* Illegal argument.        */
+
+#define ERR_IF         -15   /* Low-level netif error    */
+
+
+#ifdef LWIP_DEBUG
+extern const char *lwip_strerr(err_t err);
+#else
+#define lwip_strerr(x) ""
+#endif /* LWIP_DEBUG */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_ERR_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/init.h b/libraries/net/lwip/lwip/include/lwip/init.h
new file mode 100644
index 0000000000..77dcdfc775
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/init.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_INIT_H__
+#define __LWIP_INIT_H__
+
+#include "lwip/opt.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** X.x.x: Major version of the stack */
+#define LWIP_VERSION_MAJOR      1U
+/** x.X.x: Minor version of the stack */
+#define LWIP_VERSION_MINOR      4U
+/** x.x.X: Revision of the stack */
+#define LWIP_VERSION_REVISION   0U
+/** For release candidates, this is set to 1..254
+  * For official releases, this is set to 255 (LWIP_RC_RELEASE)
+  * For development versions (CVS), this is set to 0 (LWIP_RC_DEVELOPMENT) */
+#define LWIP_VERSION_RC         255U
+
+/** LWIP_VERSION_RC is set to LWIP_RC_RELEASE for official releases */
+#define LWIP_RC_RELEASE         255U
+/** LWIP_VERSION_RC is set to LWIP_RC_DEVELOPMENT for CVS versions */
+#define LWIP_RC_DEVELOPMENT     0U
+
+#define LWIP_VERSION_IS_RELEASE     (LWIP_VERSION_RC == LWIP_RC_RELEASE)
+#define LWIP_VERSION_IS_DEVELOPMENT (LWIP_VERSION_RC == LWIP_RC_DEVELOPMENT)
+#define LWIP_VERSION_IS_RC          ((LWIP_VERSION_RC != LWIP_RC_RELEASE) && (LWIP_VERSION_RC != LWIP_RC_DEVELOPMENT))
+
+/** Provides the version of the stack */
+#define LWIP_VERSION   (LWIP_VERSION_MAJOR << 24   | LWIP_VERSION_MINOR << 16 | \
+                        LWIP_VERSION_REVISION << 8 | LWIP_VERSION_RC)
+
+/* Modules initialization */
+void lwip_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_INIT_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/mem.h b/libraries/net/lwip/lwip/include/lwip/mem.h
new file mode 100644
index 0000000000..9507c0aec4
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/mem.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_MEM_H__
+#define __LWIP_MEM_H__
+
+#include "lwip/opt.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if MEM_LIBC_MALLOC
+
+#include  /* for size_t */
+
+typedef size_t mem_size_t;
+
+/* aliases for C library malloc() */
+#define mem_init()
+/* in case C library malloc() needs extra protection,
+ * allow these defines to be overridden.
+ */
+#ifndef mem_free
+#define mem_free free
+#endif
+#ifndef mem_malloc
+#define mem_malloc malloc
+#endif
+#ifndef mem_calloc
+#define mem_calloc calloc
+#endif
+/* Since there is no C library allocation function to shrink memory without
+   moving it, define this to nothing. */
+#ifndef mem_trim
+#define mem_trim(mem, size) (mem)
+#endif
+#else /* MEM_LIBC_MALLOC */
+
+/* MEM_SIZE would have to be aligned, but using 64000 here instead of
+ * 65535 leaves some room for alignment...
+ */
+#if MEM_SIZE > 64000L
+typedef u32_t mem_size_t;
+#define MEM_SIZE_F U32_F
+#else
+typedef u16_t mem_size_t;
+#define MEM_SIZE_F U16_F
+#endif /* MEM_SIZE > 64000 */
+
+#if MEM_USE_POOLS
+/** mem_init is not used when using pools instead of a heap */
+#define mem_init()
+/** mem_trim is not used when using pools instead of a heap:
+    we can't free part of a pool element and don't want to copy the rest */
+#define mem_trim(mem, size) (mem)
+#else /* MEM_USE_POOLS */
+/* lwIP alternative malloc */
+void  mem_init(void);
+void *mem_trim(void *mem, mem_size_t size);
+#endif /* MEM_USE_POOLS */
+void *mem_malloc(mem_size_t size);
+void *mem_calloc(mem_size_t count, mem_size_t size);
+void  mem_free(void *mem);
+#endif /* MEM_LIBC_MALLOC */
+
+/** Calculate memory size for an aligned buffer - returns the next highest
+ * multiple of MEM_ALIGNMENT (e.g. LWIP_MEM_ALIGN_SIZE(3) and
+ * LWIP_MEM_ALIGN_SIZE(4) will both yield 4 for MEM_ALIGNMENT == 4).
+ */
+#ifndef LWIP_MEM_ALIGN_SIZE
+#define LWIP_MEM_ALIGN_SIZE(size) (((size) + MEM_ALIGNMENT - 1) & ~(MEM_ALIGNMENT-1))
+#endif
+
+/** Calculate safe memory size for an aligned buffer when using an unaligned
+ * type as storage. This includes a safety-margin on (MEM_ALIGNMENT - 1) at the
+ * start (e.g. if buffer is u8_t[] and actual data will be u32_t*)
+ */
+#ifndef LWIP_MEM_ALIGN_BUFFER
+#define LWIP_MEM_ALIGN_BUFFER(size) (((size) + MEM_ALIGNMENT - 1))
+#endif
+
+/** Align a memory pointer to the alignment defined by MEM_ALIGNMENT
+ * so that ADDR % MEM_ALIGNMENT == 0
+ */
+#ifndef LWIP_MEM_ALIGN
+#define LWIP_MEM_ALIGN(addr) ((void *)(((mem_ptr_t)(addr) + MEM_ALIGNMENT - 1) & ~(mem_ptr_t)(MEM_ALIGNMENT-1)))
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_MEM_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/memp.h b/libraries/net/lwip/lwip/include/lwip/memp.h
new file mode 100644
index 0000000000..f0d0739943
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/memp.h
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+
+#ifndef __LWIP_MEMP_H__
+#define __LWIP_MEMP_H__
+
+#include "lwip/opt.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Create the list of all memory pools managed by memp. MEMP_MAX represents a NULL pool at the end */
+typedef enum {
+#define LWIP_MEMPOOL(name,num,size,desc)  MEMP_##name,
+#include "lwip/memp_std.h"
+  MEMP_MAX
+} memp_t;
+
+#if MEM_USE_POOLS
+/* Use a helper type to get the start and end of the user "memory pools" for mem_malloc */
+typedef enum {
+    /* Get the first (via:
+       MEMP_POOL_HELPER_START = ((u8_t) 1*MEMP_POOL_A + 0*MEMP_POOL_B + 0*MEMP_POOL_C + 0)*/
+    MEMP_POOL_HELPER_FIRST = ((u8_t)
+#define LWIP_MEMPOOL(name,num,size,desc)
+#define LWIP_MALLOC_MEMPOOL_START 1
+#define LWIP_MALLOC_MEMPOOL(num, size) * MEMP_POOL_##size + 0
+#define LWIP_MALLOC_MEMPOOL_END
+#include "lwip/memp_std.h"
+    ) ,
+    /* Get the last (via:
+       MEMP_POOL_HELPER_END = ((u8_t) 0 + MEMP_POOL_A*0 + MEMP_POOL_B*0 + MEMP_POOL_C*1) */
+    MEMP_POOL_HELPER_LAST = ((u8_t)
+#define LWIP_MEMPOOL(name,num,size,desc)
+#define LWIP_MALLOC_MEMPOOL_START
+#define LWIP_MALLOC_MEMPOOL(num, size) 0 + MEMP_POOL_##size *
+#define LWIP_MALLOC_MEMPOOL_END 1
+#include "lwip/memp_std.h"
+    )
+} memp_pool_helper_t;
+
+/* The actual start and stop values are here (cast them over)
+   We use this helper type and these defines so we can avoid using const memp_t values */
+#define MEMP_POOL_FIRST ((memp_t) MEMP_POOL_HELPER_FIRST)
+#define MEMP_POOL_LAST   ((memp_t) MEMP_POOL_HELPER_LAST)
+#endif /* MEM_USE_POOLS */
+
+#if MEMP_MEM_MALLOC || MEM_USE_POOLS
+extern const u16_t memp_sizes[MEMP_MAX];
+#endif /* MEMP_MEM_MALLOC || MEM_USE_POOLS */
+
+#if MEMP_MEM_MALLOC
+
+#include "mem.h"
+
+#define memp_init()
+#define memp_malloc(type)     mem_malloc(memp_sizes[type])
+#define memp_free(type, mem)  mem_free(mem)
+
+#else /* MEMP_MEM_MALLOC */
+
+#if MEM_USE_POOLS
+/** This structure is used to save the pool one element came from. */
+struct memp_malloc_helper
+{
+   memp_t poolnr;
+};
+#endif /* MEM_USE_POOLS */
+
+void  memp_init(void);
+
+#if MEMP_OVERFLOW_CHECK
+void *memp_malloc_fn(memp_t type, const char* file, const int line);
+#define memp_malloc(t) memp_malloc_fn((t), __FILE__, __LINE__)
+#else
+void *memp_malloc(memp_t type);
+#endif
+void  memp_free(memp_t type, void *mem);
+
+#endif /* MEMP_MEM_MALLOC */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_MEMP_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/memp_std.h b/libraries/net/lwip/lwip/include/lwip/memp_std.h
new file mode 100644
index 0000000000..6ce408fb02
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/memp_std.h
@@ -0,0 +1,122 @@
+/*
+ * SETUP: Make sure we define everything we will need.
+ *
+ * We have create three types of pools:
+ *   1) MEMPOOL - standard pools
+ *   2) MALLOC_MEMPOOL - to be used by mem_malloc in mem.c
+ *   3) PBUF_MEMPOOL - a mempool of pbuf's, so include space for the pbuf struct
+ *
+ * If the include'r doesn't require any special treatment of each of the types
+ * above, then will declare #2 & #3 to be just standard mempools.
+ */
+#ifndef LWIP_MALLOC_MEMPOOL
+/* This treats "malloc pools" just like any other pool.
+   The pools are a little bigger to provide 'size' as the amount of user data. */
+#define LWIP_MALLOC_MEMPOOL(num, size) LWIP_MEMPOOL(POOL_##size, num, (size + sizeof(struct memp_malloc_helper)), "MALLOC_"#size)
+#define LWIP_MALLOC_MEMPOOL_START
+#define LWIP_MALLOC_MEMPOOL_END
+#endif /* LWIP_MALLOC_MEMPOOL */ 
+
+#ifndef LWIP_PBUF_MEMPOOL
+/* This treats "pbuf pools" just like any other pool.
+ * Allocates buffers for a pbuf struct AND a payload size */
+#define LWIP_PBUF_MEMPOOL(name, num, payload, desc) LWIP_MEMPOOL(name, num, (MEMP_ALIGN_SIZE(sizeof(struct pbuf)) + MEMP_ALIGN_SIZE(payload)), desc)
+#endif /* LWIP_PBUF_MEMPOOL */
+
+
+/*
+ * A list of internal pools used by LWIP.
+ *
+ * LWIP_MEMPOOL(pool_name, number_elements, element_size, pool_description)
+ *     creates a pool name MEMP_pool_name. description is used in stats.c
+ */
+#if LWIP_RAW
+LWIP_MEMPOOL(RAW_PCB,        MEMP_NUM_RAW_PCB,         sizeof(struct raw_pcb),        "RAW_PCB")
+#endif /* LWIP_RAW */
+
+#if LWIP_UDP
+LWIP_MEMPOOL(UDP_PCB,        MEMP_NUM_UDP_PCB,         sizeof(struct udp_pcb),        "UDP_PCB")
+#endif /* LWIP_UDP */
+
+#if LWIP_TCP
+LWIP_MEMPOOL(TCP_PCB,        MEMP_NUM_TCP_PCB,         sizeof(struct tcp_pcb),        "TCP_PCB")
+LWIP_MEMPOOL(TCP_PCB_LISTEN, MEMP_NUM_TCP_PCB_LISTEN,  sizeof(struct tcp_pcb_listen), "TCP_PCB_LISTEN")
+LWIP_MEMPOOL(TCP_SEG,        MEMP_NUM_TCP_SEG,         sizeof(struct tcp_seg),        "TCP_SEG")
+#endif /* LWIP_TCP */
+
+#if IP_REASSEMBLY
+LWIP_MEMPOOL(REASSDATA,      MEMP_NUM_REASSDATA,       sizeof(struct ip_reassdata),   "REASSDATA")
+#endif /* IP_REASSEMBLY */
+#if IP_FRAG && !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF
+LWIP_MEMPOOL(FRAG_PBUF,      MEMP_NUM_FRAG_PBUF,       sizeof(struct pbuf_custom_ref),"FRAG_PBUF")
+#endif /* IP_FRAG && !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF */
+
+#if LWIP_NETCONN
+LWIP_MEMPOOL(NETBUF,         MEMP_NUM_NETBUF,          sizeof(struct netbuf),         "NETBUF")
+LWIP_MEMPOOL(NETCONN,        MEMP_NUM_NETCONN,         sizeof(struct netconn),        "NETCONN")
+#endif /* LWIP_NETCONN */
+
+#if NO_SYS==0
+LWIP_MEMPOOL(TCPIP_MSG_API,  MEMP_NUM_TCPIP_MSG_API,   sizeof(struct tcpip_msg),      "TCPIP_MSG_API")
+#if !LWIP_TCPIP_CORE_LOCKING_INPUT
+LWIP_MEMPOOL(TCPIP_MSG_INPKT,MEMP_NUM_TCPIP_MSG_INPKT, sizeof(struct tcpip_msg),      "TCPIP_MSG_INPKT")
+#endif /* !LWIP_TCPIP_CORE_LOCKING_INPUT */
+#endif /* NO_SYS==0 */
+
+#if ARP_QUEUEING
+LWIP_MEMPOOL(ARP_QUEUE,      MEMP_NUM_ARP_QUEUE,       sizeof(struct etharp_q_entry), "ARP_QUEUE")
+#endif /* ARP_QUEUEING */
+
+#if LWIP_IGMP
+LWIP_MEMPOOL(IGMP_GROUP,     MEMP_NUM_IGMP_GROUP,      sizeof(struct igmp_group),     "IGMP_GROUP")
+#endif /* LWIP_IGMP */
+
+#if (!NO_SYS || (NO_SYS && !NO_SYS_NO_TIMERS)) /* LWIP_TIMERS */
+LWIP_MEMPOOL(SYS_TIMEOUT,    MEMP_NUM_SYS_TIMEOUT,     sizeof(struct sys_timeo),      "SYS_TIMEOUT")
+#endif /* LWIP_TIMERS */
+
+#if LWIP_SNMP
+LWIP_MEMPOOL(SNMP_ROOTNODE,  MEMP_NUM_SNMP_ROOTNODE,   sizeof(struct mib_list_rootnode), "SNMP_ROOTNODE")
+LWIP_MEMPOOL(SNMP_NODE,      MEMP_NUM_SNMP_NODE,       sizeof(struct mib_list_node),     "SNMP_NODE")
+LWIP_MEMPOOL(SNMP_VARBIND,   MEMP_NUM_SNMP_VARBIND,    sizeof(struct snmp_varbind),      "SNMP_VARBIND")
+LWIP_MEMPOOL(SNMP_VALUE,     MEMP_NUM_SNMP_VALUE,      SNMP_MAX_VALUE_SIZE,              "SNMP_VALUE")
+#endif /* LWIP_SNMP */
+#if LWIP_DNS && LWIP_SOCKET
+LWIP_MEMPOOL(NETDB,          MEMP_NUM_NETDB,           NETDB_ELEM_SIZE,               "NETDB")
+#endif /* LWIP_DNS && LWIP_SOCKET */
+#if LWIP_DNS && DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC
+LWIP_MEMPOOL(LOCALHOSTLIST,  MEMP_NUM_LOCALHOSTLIST,   LOCALHOSTLIST_ELEM_SIZE,       "LOCALHOSTLIST")
+#endif /* LWIP_DNS && DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
+#if PPP_SUPPORT && PPPOE_SUPPORT
+LWIP_MEMPOOL(PPPOE_IF,      MEMP_NUM_PPPOE_INTERFACES, sizeof(struct pppoe_softc),    "PPPOE_IF")
+#endif /* PPP_SUPPORT && PPPOE_SUPPORT */
+
+/*
+ * A list of pools of pbuf's used by LWIP.
+ *
+ * LWIP_PBUF_MEMPOOL(pool_name, number_elements, pbuf_payload_size, pool_description)
+ *     creates a pool name MEMP_pool_name. description is used in stats.c
+ *     This allocates enough space for the pbuf struct and a payload.
+ *     (Example: pbuf_payload_size=0 allocates only size for the struct)
+ */
+LWIP_PBUF_MEMPOOL(PBUF,      MEMP_NUM_PBUF,            0,                             "PBUF_REF/ROM")
+LWIP_PBUF_MEMPOOL(PBUF_POOL, PBUF_POOL_SIZE,           PBUF_POOL_BUFSIZE,             "PBUF_POOL")
+
+
+/*
+ * Allow for user-defined pools; this must be explicitly set in lwipopts.h
+ * since the default is to NOT look for lwippools.h
+ */
+#if MEMP_USE_CUSTOM_POOLS
+#include "lwippools.h"
+#endif /* MEMP_USE_CUSTOM_POOLS */
+
+/*
+ * REQUIRED CLEANUP: Clear up so we don't get "multiply defined" error later
+ * (#undef is ignored for something that is not defined)
+ */
+#undef LWIP_MEMPOOL
+#undef LWIP_MALLOC_MEMPOOL
+#undef LWIP_MALLOC_MEMPOOL_START
+#undef LWIP_MALLOC_MEMPOOL_END
+#undef LWIP_PBUF_MEMPOOL
diff --git a/libraries/net/lwip/lwip/include/lwip/netbuf.h b/libraries/net/lwip/lwip/include/lwip/netbuf.h
new file mode 100644
index 0000000000..7d247d71b6
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/netbuf.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_NETBUF_H__
+#define __LWIP_NETBUF_H__
+
+#include "lwip/opt.h"
+#include "lwip/pbuf.h"
+#include "lwip/ip_addr.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** This netbuf has dest-addr/port set */
+#define NETBUF_FLAG_DESTADDR    0x01
+/** This netbuf includes a checksum */
+#define NETBUF_FLAG_CHKSUM      0x02
+
+struct netbuf {
+  struct pbuf *p, *ptr;
+  ip_addr_t addr;
+  u16_t port;
+#if LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY
+#if LWIP_CHECKSUM_ON_COPY
+  u8_t flags;
+#endif /* LWIP_CHECKSUM_ON_COPY */
+  u16_t toport_chksum;
+#if LWIP_NETBUF_RECVINFO
+  ip_addr_t toaddr;
+#endif /* LWIP_NETBUF_RECVINFO */
+#endif /* LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY */
+};
+
+/* Network buffer functions: */
+struct netbuf *   netbuf_new      (void);
+void              netbuf_delete   (struct netbuf *buf);
+void *            netbuf_alloc    (struct netbuf *buf, u16_t size);
+void              netbuf_free     (struct netbuf *buf);
+err_t             netbuf_ref      (struct netbuf *buf,
+                                   const void *dataptr, u16_t size);
+void              netbuf_chain    (struct netbuf *head,
+           struct netbuf *tail);
+
+err_t             netbuf_data     (struct netbuf *buf,
+                                   void **dataptr, u16_t *len);
+s8_t              netbuf_next     (struct netbuf *buf);
+void              netbuf_first    (struct netbuf *buf);
+
+
+#define netbuf_copy_partial(buf, dataptr, len, offset) \
+  pbuf_copy_partial((buf)->p, (dataptr), (len), (offset))
+#define netbuf_copy(buf,dataptr,len) netbuf_copy_partial(buf, dataptr, len, 0)
+#define netbuf_take(buf, dataptr, len) pbuf_take((buf)->p, dataptr, len)
+#define netbuf_len(buf)              ((buf)->p->tot_len)
+#define netbuf_fromaddr(buf)         (&((buf)->addr))
+#define netbuf_set_fromaddr(buf, fromaddr) ip_addr_set((&(buf)->addr), fromaddr)
+#define netbuf_fromport(buf)         ((buf)->port)
+#if LWIP_NETBUF_RECVINFO
+#define netbuf_destaddr(buf)         (&((buf)->toaddr))
+#define netbuf_set_destaddr(buf, destaddr) ip_addr_set((&(buf)->addr), destaddr)
+#define netbuf_destport(buf)         (((buf)->flags & NETBUF_FLAG_DESTADDR) ? (buf)->toport_chksum : 0)
+#endif /* LWIP_NETBUF_RECVINFO */
+#if LWIP_CHECKSUM_ON_COPY
+#define netbuf_set_chksum(buf, chksum) do { (buf)->flags = NETBUF_FLAG_CHKSUM; \
+                                            (buf)->toport_chksum = chksum; } while(0)
+#endif /* LWIP_CHECKSUM_ON_COPY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_NETBUF_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/netdb.h b/libraries/net/lwip/lwip/include/lwip/netdb.h
new file mode 100644
index 0000000000..7587e2f2d1
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/netdb.h
@@ -0,0 +1,124 @@
+/*
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Simon Goldschmidt
+ *
+ */
+#ifndef __LWIP_NETDB_H__
+#define __LWIP_NETDB_H__
+
+#include "lwip/opt.h"
+
+#if LWIP_DNS && LWIP_SOCKET
+
+#include  /* for size_t */
+
+#include "lwip/inet.h"
+#include "lwip/sockets.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* some rarely used options */
+#ifndef LWIP_DNS_API_DECLARE_H_ERRNO
+#define LWIP_DNS_API_DECLARE_H_ERRNO 1
+#endif
+
+#ifndef LWIP_DNS_API_DEFINE_ERRORS
+#define LWIP_DNS_API_DEFINE_ERRORS 1
+#endif
+
+#ifndef LWIP_DNS_API_DECLARE_STRUCTS
+#define LWIP_DNS_API_DECLARE_STRUCTS 1
+#endif
+
+#if LWIP_DNS_API_DEFINE_ERRORS
+/** Errors used by the DNS API functions, h_errno can be one of them */
+#define EAI_NONAME      200
+#define EAI_SERVICE     201
+#define EAI_FAIL        202
+#define EAI_MEMORY      203
+
+#define HOST_NOT_FOUND  210
+#define NO_DATA         211
+#define NO_RECOVERY     212
+#define TRY_AGAIN       213
+#endif /* LWIP_DNS_API_DEFINE_ERRORS */
+
+#if LWIP_DNS_API_DECLARE_STRUCTS
+struct hostent {
+    char  *h_name;      /* Official name of the host. */
+    char **h_aliases;   /* A pointer to an array of pointers to alternative host names,
+                           terminated by a null pointer. */
+    int    h_addrtype;  /* Address type. */
+    int    h_length;    /* The length, in bytes, of the address. */
+    char **h_addr_list; /* A pointer to an array of pointers to network addresses (in
+                           network byte order) for the host, terminated by a null pointer. */
+#define h_addr h_addr_list[0] /* for backward compatibility */
+};
+
+struct addrinfo {
+    int               ai_flags;      /* Input flags. */
+    int               ai_family;     /* Address family of socket. */
+    int               ai_socktype;   /* Socket type. */
+    int               ai_protocol;   /* Protocol of socket. */
+    socklen_t         ai_addrlen;    /* Length of socket address. */
+    struct sockaddr  *ai_addr;       /* Socket address of socket. */
+    char             *ai_canonname;  /* Canonical name of service location. */
+    struct addrinfo  *ai_next;       /* Pointer to next in list. */
+};
+#endif /* LWIP_DNS_API_DECLARE_STRUCTS */
+
+#if LWIP_DNS_API_DECLARE_H_ERRNO
+/* application accessable error code set by the DNS API functions */
+extern int h_errno;
+#endif /* LWIP_DNS_API_DECLARE_H_ERRNO*/
+
+struct hostent *lwip_gethostbyname(const char *name);
+int lwip_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
+                size_t buflen, struct hostent **result, int *h_errnop);
+void lwip_freeaddrinfo(struct addrinfo *ai);
+int lwip_getaddrinfo(const char *nodename,
+       const char *servname,
+       const struct addrinfo *hints,
+       struct addrinfo **res);
+
+#if LWIP_COMPAT_SOCKETS
+#define gethostbyname(name) lwip_gethostbyname(name)
+#define gethostbyname_r(name, ret, buf, buflen, result, h_errnop) \
+       lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop)
+#define freeaddrinfo(addrinfo) lwip_freeaddrinfo(addrinfo)
+#define getaddrinfo(nodname, servname, hints, res) \
+       lwip_getaddrinfo(nodname, servname, hints, res)
+#endif /* LWIP_COMPAT_SOCKETS */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_DNS && LWIP_SOCKET */
+
+#endif /* __LWIP_NETDB_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/netif.h b/libraries/net/lwip/lwip/include/lwip/netif.h
new file mode 100644
index 0000000000..a8790b5f6a
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/netif.h
@@ -0,0 +1,315 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_NETIF_H__
+#define __LWIP_NETIF_H__
+
+#include "lwip/opt.h"
+
+#define ENABLE_LOOPBACK (LWIP_NETIF_LOOPBACK || LWIP_HAVE_LOOPIF)
+
+#include "lwip/err.h"
+
+#include "lwip/ip_addr.h"
+
+#include "lwip/def.h"
+#include "lwip/pbuf.h"
+#if LWIP_DHCP
+struct dhcp;
+#endif
+#if LWIP_AUTOIP
+struct autoip;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Throughout this file, IP addresses are expected to be in
+ * the same byte order as in IP_PCB. */
+
+/** must be the maximum of all used hardware address lengths
+    across all types of interfaces in use */
+#define NETIF_MAX_HWADDR_LEN 6U
+
+/** Whether the network interface is 'up'. This is
+ * a software flag used to control whether this network
+ * interface is enabled and processes traffic.
+ * It is set by the startup code (for static IP configuration) or
+ * by dhcp/autoip when an address has been assigned.
+ */
+#define NETIF_FLAG_UP           0x01U
+/** If set, the netif has broadcast capability.
+ * Set by the netif driver in its init function. */
+#define NETIF_FLAG_BROADCAST    0x02U
+/** If set, the netif is one end of a point-to-point connection.
+ * Set by the netif driver in its init function. */
+#define NETIF_FLAG_POINTTOPOINT 0x04U
+/** If set, the interface is configured using DHCP.
+ * Set by the DHCP code when starting or stopping DHCP. */
+#define NETIF_FLAG_DHCP         0x08U
+/** If set, the interface has an active link
+ *  (set by the network interface driver).
+ * Either set by the netif driver in its init function (if the link
+ * is up at that time) or at a later point once the link comes up
+ * (if link detection is supported by the hardware). */
+#define NETIF_FLAG_LINK_UP      0x10U
+/** If set, the netif is an ethernet device using ARP.
+ * Set by the netif driver in its init function.
+ * Used to check input packet types and use of DHCP. */
+#define NETIF_FLAG_ETHARP       0x20U
+/** If set, the netif is an ethernet device. It might not use
+ * ARP or TCP/IP if it is used for PPPoE only.
+ */
+#define NETIF_FLAG_ETHERNET     0x40U
+/** If set, the netif has IGMP capability.
+ * Set by the netif driver in its init function. */
+#define NETIF_FLAG_IGMP         0x80U
+
+/** Function prototype for netif init functions. Set up flags and output/linkoutput
+ * callback functions in this function.
+ *
+ * @param netif The netif to initialize
+ */
+typedef err_t (*netif_init_fn)(struct netif *netif);
+/** Function prototype for netif->input functions. This function is saved as 'input'
+ * callback function in the netif struct. Call it when a packet has been received.
+ *
+ * @param p The received packet, copied into a pbuf
+ * @param inp The netif which received the packet
+ */
+typedef err_t (*netif_input_fn)(struct pbuf *p, struct netif *inp);
+/** Function prototype for netif->output functions. Called by lwIP when a packet
+ * shall be sent. For ethernet netif, set this to 'etharp_output' and set
+ * 'linkoutput'.
+ *
+ * @param netif The netif which shall send a packet
+ * @param p The packet to send (p->payload points to IP header)
+ * @param ipaddr The IP address to which the packet shall be sent
+ */
+typedef err_t (*netif_output_fn)(struct netif *netif, struct pbuf *p,
+       ip_addr_t *ipaddr);
+/** Function prototype for netif->linkoutput functions. Only used for ethernet
+ * netifs. This function is called by ARP when a packet shall be sent.
+ *
+ * @param netif The netif which shall send a packet
+ * @param p The packet to send (raw ethernet packet)
+ */
+typedef err_t (*netif_linkoutput_fn)(struct netif *netif, struct pbuf *p);
+/** Function prototype for netif status- or link-callback functions. */
+typedef void (*netif_status_callback_fn)(struct netif *netif);
+/** Function prototype for netif igmp_mac_filter functions */
+typedef err_t (*netif_igmp_mac_filter_fn)(struct netif *netif,
+       ip_addr_t *group, u8_t action);
+
+/** Generic data structure used for all lwIP network interfaces.
+ *  The following fields should be filled in by the initialization
+ *  function for the device driver: hwaddr_len, hwaddr[], mtu, flags */
+struct netif {
+  /** pointer to next in linked list */
+  struct netif *next;
+
+  /** IP address configuration in network byte order */
+  ip_addr_t ip_addr;
+  ip_addr_t netmask;
+  ip_addr_t gw;
+
+  /** This function is called by the network device driver
+   *  to pass a packet up the TCP/IP stack. */
+  netif_input_fn input;
+  /** This function is called by the IP module when it wants
+   *  to send a packet on the interface. This function typically
+   *  first resolves the hardware address, then sends the packet. */
+  netif_output_fn output;
+  /** This function is called by the ARP module when it wants
+   *  to send a packet on the interface. This function outputs
+   *  the pbuf as-is on the link medium. */
+  netif_linkoutput_fn linkoutput;
+#if LWIP_NETIF_STATUS_CALLBACK
+  /** This function is called when the netif state is set to up or down
+   */
+  netif_status_callback_fn status_callback;
+#endif /* LWIP_NETIF_STATUS_CALLBACK */
+#if LWIP_NETIF_LINK_CALLBACK
+  /** This function is called when the netif link is set to up or down
+   */
+  netif_status_callback_fn link_callback;
+#endif /* LWIP_NETIF_LINK_CALLBACK */
+  /** This field can be set by the device driver and could point
+   *  to state information for the device. */
+  void *state;
+#if LWIP_DHCP
+  /** the DHCP client state information for this netif */
+  struct dhcp *dhcp;
+#endif /* LWIP_DHCP */
+#if LWIP_AUTOIP
+  /** the AutoIP client state information for this netif */
+  struct autoip *autoip;
+#endif
+#if LWIP_NETIF_HOSTNAME
+  /* the hostname for this netif, NULL is a valid value */
+  char*  hostname;
+#endif /* LWIP_NETIF_HOSTNAME */
+  /** maximum transfer unit (in bytes) */
+  u16_t mtu;
+  /** number of bytes used in hwaddr */
+  u8_t hwaddr_len;
+  /** link level hardware address of this interface */
+  u8_t hwaddr[NETIF_MAX_HWADDR_LEN];
+  /** flags (see NETIF_FLAG_ above) */
+  u8_t flags;
+  /** descriptive abbreviation */
+  char name[2];
+  /** number of this interface */
+  u8_t num;
+#if LWIP_SNMP
+  /** link type (from "snmp_ifType" enum from snmp.h) */
+  u8_t link_type;
+  /** (estimate) link speed */
+  u32_t link_speed;
+  /** timestamp at last change made (up/down) */
+  u32_t ts;
+  /** counters */
+  u32_t ifinoctets;
+  u32_t ifinucastpkts;
+  u32_t ifinnucastpkts;
+  u32_t ifindiscards;
+  u32_t ifoutoctets;
+  u32_t ifoutucastpkts;
+  u32_t ifoutnucastpkts;
+  u32_t ifoutdiscards;
+#endif /* LWIP_SNMP */
+#if LWIP_IGMP
+  /** This function could be called to add or delete a entry in the multicast
+      filter table of the ethernet MAC.*/
+  netif_igmp_mac_filter_fn igmp_mac_filter;
+#endif /* LWIP_IGMP */
+#if LWIP_NETIF_HWADDRHINT
+  u8_t *addr_hint;
+#endif /* LWIP_NETIF_HWADDRHINT */
+#if ENABLE_LOOPBACK
+  /* List of packets to be queued for ourselves. */
+  struct pbuf *loop_first;
+  struct pbuf *loop_last;
+#if LWIP_LOOPBACK_MAX_PBUFS
+  u16_t loop_cnt_current;
+#endif /* LWIP_LOOPBACK_MAX_PBUFS */
+#endif /* ENABLE_LOOPBACK */
+};
+
+#if LWIP_SNMP
+#define NETIF_INIT_SNMP(netif, type, speed) \
+  /* use "snmp_ifType" enum from snmp.h for "type", snmp_ifType_ethernet_csmacd by example */ \
+  (netif)->link_type = (type);    \
+  /* your link speed here (units: bits per second) */  \
+  (netif)->link_speed = (speed);  \
+  (netif)->ts = 0;              \
+  (netif)->ifinoctets = 0;      \
+  (netif)->ifinucastpkts = 0;   \
+  (netif)->ifinnucastpkts = 0;  \
+  (netif)->ifindiscards = 0;    \
+  (netif)->ifoutoctets = 0;     \
+  (netif)->ifoutucastpkts = 0;  \
+  (netif)->ifoutnucastpkts = 0; \
+  (netif)->ifoutdiscards = 0
+#else /* LWIP_SNMP */
+#define NETIF_INIT_SNMP(netif, type, speed)
+#endif /* LWIP_SNMP */
+
+
+/** The list of network interfaces. */
+extern struct netif *netif_list;
+/** The default network interface. */
+extern struct netif *netif_default;
+
+void netif_init(void);
+
+struct netif *netif_add(struct netif *netif, ip_addr_t *ipaddr, ip_addr_t *netmask,
+      ip_addr_t *gw, void *state, netif_init_fn init, netif_input_fn input);
+
+void
+netif_set_addr(struct netif *netif, ip_addr_t *ipaddr, ip_addr_t *netmask,
+      ip_addr_t *gw);
+void netif_remove(struct netif * netif);
+
+/* Returns a network interface given its name. The name is of the form
+   "et0", where the first two letters are the "name" field in the
+   netif structure, and the digit is in the num field in the same
+   structure. */
+struct netif *netif_find(char *name);
+
+void netif_set_default(struct netif *netif);
+
+void netif_set_ipaddr(struct netif *netif, ip_addr_t *ipaddr);
+void netif_set_netmask(struct netif *netif, ip_addr_t *netmask);
+void netif_set_gw(struct netif *netif, ip_addr_t *gw);
+
+void netif_set_up(struct netif *netif);
+void netif_set_down(struct netif *netif);
+/** Ask if an interface is up */
+#define netif_is_up(netif) (((netif)->flags & NETIF_FLAG_UP) ? (u8_t)1 : (u8_t)0)
+
+#if LWIP_NETIF_STATUS_CALLBACK
+void netif_set_status_callback(struct netif *netif, netif_status_callback_fn status_callback);
+#endif /* LWIP_NETIF_STATUS_CALLBACK */
+
+void netif_set_link_up(struct netif *netif);
+void netif_set_link_down(struct netif *netif);
+/** Ask if a link is up */ 
+#define netif_is_link_up(netif) (((netif)->flags & NETIF_FLAG_LINK_UP) ? (u8_t)1 : (u8_t)0)
+
+#if LWIP_NETIF_LINK_CALLBACK
+void netif_set_link_callback(struct netif *netif, netif_status_callback_fn link_callback);
+#endif /* LWIP_NETIF_LINK_CALLBACK */
+
+#if LWIP_NETIF_HOSTNAME
+#define netif_set_hostname(netif, name) do { if((netif) != NULL) { (netif)->hostname = name; }}while(0)
+#define netif_get_hostname(netif) (((netif) != NULL) ? ((netif)->hostname) : NULL)
+#endif /* LWIP_NETIF_HOSTNAME */
+
+#if LWIP_IGMP
+#define netif_set_igmp_mac_filter(netif, function) do { if((netif) != NULL) { (netif)->igmp_mac_filter = function; }}while(0)
+#define netif_get_igmp_mac_filter(netif) (((netif) != NULL) ? ((netif)->igmp_mac_filter) : NULL)
+#endif /* LWIP_IGMP */
+
+#if ENABLE_LOOPBACK
+err_t netif_loop_output(struct netif *netif, struct pbuf *p, ip_addr_t *dest_ip);
+void netif_poll(struct netif *netif);
+#if !LWIP_NETIF_LOOPBACK_MULTITHREADING
+void netif_poll_all(void);
+#endif /* !LWIP_NETIF_LOOPBACK_MULTITHREADING */
+#endif /* ENABLE_LOOPBACK */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_NETIF_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/netifapi.h b/libraries/net/lwip/lwip/include/lwip/netifapi.h
new file mode 100644
index 0000000000..33318efaf6
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/netifapi.h
@@ -0,0 +1,108 @@
+/*
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ */
+ 
+#ifndef __LWIP_NETIFAPI_H__
+#define __LWIP_NETIFAPI_H__
+
+#include "lwip/opt.h"
+
+#if LWIP_NETIF_API /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/sys.h"
+#include "lwip/netif.h"
+#include "lwip/dhcp.h"
+#include "lwip/autoip.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void (*netifapi_void_fn)(struct netif *netif);
+typedef err_t (*netifapi_errt_fn)(struct netif *netif);
+
+struct netifapi_msg_msg {
+#if !LWIP_TCPIP_CORE_LOCKING
+  sys_sem_t sem;
+#endif /* !LWIP_TCPIP_CORE_LOCKING */
+  err_t err;
+  struct netif *netif;
+  union {
+    struct {
+      ip_addr_t *ipaddr;
+      ip_addr_t *netmask;
+      ip_addr_t *gw;
+      void *state;
+      netif_init_fn init;
+      netif_input_fn input;
+    } add;
+    struct {
+      netifapi_void_fn voidfunc;
+      netifapi_errt_fn errtfunc;
+    } common;
+  } msg;
+};
+
+struct netifapi_msg {
+  void (* function)(struct netifapi_msg_msg *msg);
+  struct netifapi_msg_msg msg;
+};
+
+
+/* API for application */
+err_t netifapi_netif_add       ( struct netif *netif,
+                                 ip_addr_t *ipaddr,
+                                 ip_addr_t *netmask,
+                                 ip_addr_t *gw,
+                                 void *state,
+                                 netif_init_fn init,
+                                 netif_input_fn input);
+
+err_t netifapi_netif_set_addr  ( struct netif *netif,
+                                 ip_addr_t *ipaddr,
+                                 ip_addr_t *netmask,
+                                 ip_addr_t *gw );
+
+err_t netifapi_netif_common    ( struct netif *netif,
+                                 netifapi_void_fn voidfunc,
+                                 netifapi_errt_fn errtfunc);
+
+#define netifapi_netif_remove(n)      netifapi_netif_common(n, netif_remove, NULL)
+#define netifapi_netif_set_up(n)      netifapi_netif_common(n, netif_set_up, NULL)
+#define netifapi_netif_set_down(n)    netifapi_netif_common(n, netif_set_down, NULL)
+#define netifapi_netif_set_default(n) netifapi_netif_common(n, netif_set_default, NULL)
+#define netifapi_dhcp_start(n)        netifapi_netif_common(n, NULL, dhcp_start)
+#define netifapi_dhcp_stop(n)         netifapi_netif_common(n, dhcp_stop, NULL)
+#define netifapi_autoip_start(n)      netifapi_netif_common(n, NULL, autoip_start)
+#define netifapi_autoip_stop(n)       netifapi_netif_common(n, NULL, autoip_stop)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_NETIF_API */
+
+#endif /* __LWIP_NETIFAPI_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/opt.h b/libraries/net/lwip/lwip/include/lwip/opt.h
new file mode 100644
index 0000000000..a1b876583f
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/opt.h
@@ -0,0 +1,2043 @@
+/**
+ * @file
+ *
+ * lwIP Options Configuration
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_OPT_H__
+#define __LWIP_OPT_H__
+
+/*
+ * Include user defined options first. Anything not defined in these files
+ * will be set to standard values. Override anything you dont like!
+ */
+#include "lwipopts.h"
+#include "lwip/debug.h"
+
+/*
+   -----------------------------------------------
+   ---------- Platform specific locking ----------
+   -----------------------------------------------
+*/
+
+/**
+ * SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain
+ * critical regions during buffer allocation, deallocation and memory
+ * allocation and deallocation.
+ */
+#ifndef SYS_LIGHTWEIGHT_PROT
+#define SYS_LIGHTWEIGHT_PROT            0
+#endif
+
+/** 
+ * NO_SYS==1: Provides VERY minimal functionality. Otherwise,
+ * use lwIP facilities.
+ */
+#ifndef NO_SYS
+#define NO_SYS                          0
+#endif
+
+/**
+ * NO_SYS_NO_TIMERS==1: Drop support for sys_timeout when NO_SYS==1
+ * Mainly for compatibility to old versions.
+ */
+#ifndef NO_SYS_NO_TIMERS
+#define NO_SYS_NO_TIMERS                0
+#endif
+
+/**
+ * MEMCPY: override this if you have a faster implementation at hand than the
+ * one included in your C library
+ */
+#ifndef MEMCPY
+#define MEMCPY(dst,src,len)             memcpy(dst,src,len)
+#endif
+
+/**
+ * SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a
+ * call to memcpy() if the length is known at compile time and is small.
+ */
+#ifndef SMEMCPY
+#define SMEMCPY(dst,src,len)            memcpy(dst,src,len)
+#endif
+
+/*
+   ------------------------------------
+   ---------- Memory options ----------
+   ------------------------------------
+*/
+/**
+ * MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library
+ * instead of the lwip internal allocator. Can save code size if you
+ * already use it.
+ */
+#ifndef MEM_LIBC_MALLOC
+#define MEM_LIBC_MALLOC                 0
+#endif
+
+/**
+* MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator.
+* Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution
+* speed and usage from interrupts!
+*/
+#ifndef MEMP_MEM_MALLOC
+#define MEMP_MEM_MALLOC                 0
+#endif
+
+/**
+ * MEM_ALIGNMENT: should be set to the alignment of the CPU
+ *    4 byte alignment -> #define MEM_ALIGNMENT 4
+ *    2 byte alignment -> #define MEM_ALIGNMENT 2
+ */
+#ifndef MEM_ALIGNMENT
+#define MEM_ALIGNMENT                   1
+#endif
+
+/**
+ * MEM_SIZE: the size of the heap memory. If the application will send
+ * a lot of data that needs to be copied, this should be set high.
+ */
+#ifndef MEM_SIZE
+#define MEM_SIZE                        1600
+#endif
+
+/**
+ * MEMP_SEPARATE_POOLS: if defined to 1, each pool is placed in its own array.
+ * This can be used to individually change the location of each pool.
+ * Default is one big array for all pools
+ */
+#ifndef MEMP_SEPARATE_POOLS
+#define MEMP_SEPARATE_POOLS             0
+#endif
+
+/**
+ * MEMP_OVERFLOW_CHECK: memp overflow protection reserves a configurable
+ * amount of bytes before and after each memp element in every pool and fills
+ * it with a prominent default value.
+ *    MEMP_OVERFLOW_CHECK == 0 no checking
+ *    MEMP_OVERFLOW_CHECK == 1 checks each element when it is freed
+ *    MEMP_OVERFLOW_CHECK >= 2 checks each element in every pool every time
+ *      memp_malloc() or memp_free() is called (useful but slow!)
+ */
+#ifndef MEMP_OVERFLOW_CHECK
+#define MEMP_OVERFLOW_CHECK             0
+#endif
+
+/**
+ * MEMP_SANITY_CHECK==1: run a sanity check after each memp_free() to make
+ * sure that there are no cycles in the linked lists.
+ */
+#ifndef MEMP_SANITY_CHECK
+#define MEMP_SANITY_CHECK               0
+#endif
+
+/**
+ * MEM_USE_POOLS==1: Use an alternative to malloc() by allocating from a set
+ * of memory pools of various sizes. When mem_malloc is called, an element of
+ * the smallest pool that can provide the length needed is returned.
+ * To use this, MEMP_USE_CUSTOM_POOLS also has to be enabled.
+ */
+#ifndef MEM_USE_POOLS
+#define MEM_USE_POOLS                   0
+#endif
+
+/**
+ * MEM_USE_POOLS_TRY_BIGGER_POOL==1: if one malloc-pool is empty, try the next
+ * bigger pool - WARNING: THIS MIGHT WASTE MEMORY but it can make a system more
+ * reliable. */
+#ifndef MEM_USE_POOLS_TRY_BIGGER_POOL
+#define MEM_USE_POOLS_TRY_BIGGER_POOL   0
+#endif
+
+/**
+ * MEMP_USE_CUSTOM_POOLS==1: whether to include a user file lwippools.h
+ * that defines additional pools beyond the "standard" ones required
+ * by lwIP. If you set this to 1, you must have lwippools.h in your 
+ * inlude path somewhere. 
+ */
+#ifndef MEMP_USE_CUSTOM_POOLS
+#define MEMP_USE_CUSTOM_POOLS           0
+#endif
+
+/**
+ * Set this to 1 if you want to free PBUF_RAM pbufs (or call mem_free()) from
+ * interrupt context (or another context that doesn't allow waiting for a
+ * semaphore).
+ * If set to 1, mem_malloc will be protected by a semaphore and SYS_ARCH_PROTECT,
+ * while mem_free will only use SYS_ARCH_PROTECT. mem_malloc SYS_ARCH_UNPROTECTs
+ * with each loop so that mem_free can run.
+ *
+ * ATTENTION: As you can see from the above description, this leads to dis-/
+ * enabling interrupts often, which can be slow! Also, on low memory, mem_malloc
+ * can need longer.
+ *
+ * If you don't want that, at least for NO_SYS=0, you can still use the following
+ * functions to enqueue a deallocation call which then runs in the tcpip_thread
+ * context:
+ * - pbuf_free_callback(p);
+ * - mem_free_callback(m);
+ */
+#ifndef LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT
+#define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 0
+#endif
+
+/*
+   ------------------------------------------------
+   ---------- Internal Memory Pool Sizes ----------
+   ------------------------------------------------
+*/
+/**
+ * MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF).
+ * If the application sends a lot of data out of ROM (or other static memory),
+ * this should be set high.
+ */
+#ifndef MEMP_NUM_PBUF
+#define MEMP_NUM_PBUF                   16
+#endif
+
+/**
+ * MEMP_NUM_RAW_PCB: Number of raw connection PCBs
+ * (requires the LWIP_RAW option)
+ */
+#ifndef MEMP_NUM_RAW_PCB
+#define MEMP_NUM_RAW_PCB                4
+#endif
+
+/**
+ * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
+ * per active UDP "connection".
+ * (requires the LWIP_UDP option)
+ */
+#ifndef MEMP_NUM_UDP_PCB
+#define MEMP_NUM_UDP_PCB                4
+#endif
+
+/**
+ * MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections.
+ * (requires the LWIP_TCP option)
+ */
+#ifndef MEMP_NUM_TCP_PCB
+#define MEMP_NUM_TCP_PCB                5
+#endif
+
+/**
+ * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections.
+ * (requires the LWIP_TCP option)
+ */
+#ifndef MEMP_NUM_TCP_PCB_LISTEN
+#define MEMP_NUM_TCP_PCB_LISTEN         8
+#endif
+
+/**
+ * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments.
+ * (requires the LWIP_TCP option)
+ */
+#ifndef MEMP_NUM_TCP_SEG
+#define MEMP_NUM_TCP_SEG                16
+#endif
+
+/**
+ * MEMP_NUM_REASSDATA: the number of IP packets simultaneously queued for
+ * reassembly (whole packets, not fragments!)
+ */
+#ifndef MEMP_NUM_REASSDATA
+#define MEMP_NUM_REASSDATA              5
+#endif
+
+/**
+ * MEMP_NUM_FRAG_PBUF: the number of IP fragments simultaneously sent
+ * (fragments, not whole packets!).
+ * This is only used with IP_FRAG_USES_STATIC_BUF==0 and
+ * LWIP_NETIF_TX_SINGLE_PBUF==0 and only has to be > 1 with DMA-enabled MACs
+ * where the packet is not yet sent when netif->output returns.
+ */
+#ifndef MEMP_NUM_FRAG_PBUF
+#define MEMP_NUM_FRAG_PBUF              15
+#endif
+
+/**
+ * MEMP_NUM_ARP_QUEUE: the number of simulateously queued outgoing
+ * packets (pbufs) that are waiting for an ARP request (to resolve
+ * their destination address) to finish.
+ * (requires the ARP_QUEUEING option)
+ */
+#ifndef MEMP_NUM_ARP_QUEUE
+#define MEMP_NUM_ARP_QUEUE              30
+#endif
+
+/**
+ * MEMP_NUM_IGMP_GROUP: The number of multicast groups whose network interfaces
+ * can be members et the same time (one per netif - allsystems group -, plus one
+ * per netif membership).
+ * (requires the LWIP_IGMP option)
+ */
+#ifndef MEMP_NUM_IGMP_GROUP
+#define MEMP_NUM_IGMP_GROUP             8
+#endif
+
+/**
+ * MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts.
+ * (requires NO_SYS==0)
+ */
+#ifndef MEMP_NUM_SYS_TIMEOUT
+#define MEMP_NUM_SYS_TIMEOUT            3
+#endif
+
+/**
+ * MEMP_NUM_NETBUF: the number of struct netbufs.
+ * (only needed if you use the sequential API, like api_lib.c)
+ */
+#ifndef MEMP_NUM_NETBUF
+#define MEMP_NUM_NETBUF                 2
+#endif
+
+/**
+ * MEMP_NUM_NETCONN: the number of struct netconns.
+ * (only needed if you use the sequential API, like api_lib.c)
+ */
+#ifndef MEMP_NUM_NETCONN
+#define MEMP_NUM_NETCONN                4
+#endif
+
+/**
+ * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used
+ * for callback/timeout API communication. 
+ * (only needed if you use tcpip.c)
+ */
+#ifndef MEMP_NUM_TCPIP_MSG_API
+#define MEMP_NUM_TCPIP_MSG_API          8
+#endif
+
+/**
+ * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used
+ * for incoming packets. 
+ * (only needed if you use tcpip.c)
+ */
+#ifndef MEMP_NUM_TCPIP_MSG_INPKT
+#define MEMP_NUM_TCPIP_MSG_INPKT        8
+#endif
+
+/**
+ * MEMP_NUM_SNMP_NODE: the number of leafs in the SNMP tree.
+ */
+#ifndef MEMP_NUM_SNMP_NODE
+#define MEMP_NUM_SNMP_NODE              50
+#endif
+
+/**
+ * MEMP_NUM_SNMP_ROOTNODE: the number of branches in the SNMP tree.
+ * Every branch has one leaf (MEMP_NUM_SNMP_NODE) at least!
+ */
+#ifndef MEMP_NUM_SNMP_ROOTNODE
+#define MEMP_NUM_SNMP_ROOTNODE          30
+#endif
+
+/**
+ * MEMP_NUM_SNMP_VARBIND: the number of concurrent requests (does not have to
+ * be changed normally) - 2 of these are used per request (1 for input,
+ * 1 for output)
+ */
+#ifndef MEMP_NUM_SNMP_VARBIND
+#define MEMP_NUM_SNMP_VARBIND           2
+#endif
+
+/**
+ * MEMP_NUM_SNMP_VALUE: the number of OID or values concurrently used
+ * (does not have to be changed normally) - 3 of these are used per request
+ * (1 for the value read and 2 for OIDs - input and output)
+ */
+#ifndef MEMP_NUM_SNMP_VALUE
+#define MEMP_NUM_SNMP_VALUE             3
+#endif
+
+/**
+ * MEMP_NUM_NETDB: the number of concurrently running lwip_addrinfo() calls
+ * (before freeing the corresponding memory using lwip_freeaddrinfo()).
+ */
+#ifndef MEMP_NUM_NETDB
+#define MEMP_NUM_NETDB                  1
+#endif
+
+/**
+ * MEMP_NUM_LOCALHOSTLIST: the number of host entries in the local host list
+ * if DNS_LOCAL_HOSTLIST_IS_DYNAMIC==1.
+ */
+#ifndef MEMP_NUM_LOCALHOSTLIST
+#define MEMP_NUM_LOCALHOSTLIST          1
+#endif
+
+/**
+ * MEMP_NUM_PPPOE_INTERFACES: the number of concurrently active PPPoE
+ * interfaces (only used with PPPOE_SUPPORT==1)
+ */
+#ifndef MEMP_NUM_PPPOE_INTERFACES
+#define MEMP_NUM_PPPOE_INTERFACES       1
+#endif
+
+/**
+ * PBUF_POOL_SIZE: the number of buffers in the pbuf pool. 
+ */
+#ifndef PBUF_POOL_SIZE
+#define PBUF_POOL_SIZE                  16
+#endif
+
+/*
+   ---------------------------------
+   ---------- ARP options ----------
+   ---------------------------------
+*/
+/**
+ * LWIP_ARP==1: Enable ARP functionality.
+ */
+#ifndef LWIP_ARP
+#define LWIP_ARP                        1
+#endif
+
+/**
+ * ARP_TABLE_SIZE: Number of active MAC-IP address pairs cached.
+ */
+#ifndef ARP_TABLE_SIZE
+#define ARP_TABLE_SIZE                  10
+#endif
+
+/**
+ * ARP_QUEUEING==1: Multiple outgoing packets are queued during hardware address
+ * resolution. By default, only the most recent packet is queued per IP address.
+ * This is sufficient for most protocols and mainly reduces TCP connection
+ * startup time. Set this to 1 if you know your application sends more than one
+ * packet in a row to an IP address that is not in the ARP cache.
+ */
+#ifndef ARP_QUEUEING
+#define ARP_QUEUEING                    0
+#endif
+
+/**
+ * ETHARP_TRUST_IP_MAC==1: Incoming IP packets cause the ARP table to be
+ * updated with the source MAC and IP addresses supplied in the packet.
+ * You may want to disable this if you do not trust LAN peers to have the
+ * correct addresses, or as a limited approach to attempt to handle
+ * spoofing. If disabled, lwIP will need to make a new ARP request if
+ * the peer is not already in the ARP table, adding a little latency.
+ * The peer *is* in the ARP table if it requested our address before.
+ * Also notice that this slows down input processing of every IP packet!
+ */
+#ifndef ETHARP_TRUST_IP_MAC
+#define ETHARP_TRUST_IP_MAC             0
+#endif
+
+/**
+ * ETHARP_SUPPORT_VLAN==1: support receiving ethernet packets with VLAN header.
+ * Additionally, you can define ETHARP_VLAN_CHECK to an u16_t VLAN ID to check.
+ * If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted.
+ * If ETHARP_VLAN_CHECK is not defined, all traffic is accepted.
+ */
+#ifndef ETHARP_SUPPORT_VLAN
+#define ETHARP_SUPPORT_VLAN             0
+#endif
+
+/** LWIP_ETHERNET==1: enable ethernet support for PPPoE even though ARP
+ * might be disabled
+ */
+#ifndef LWIP_ETHERNET
+#define LWIP_ETHERNET                   (LWIP_ARP || PPPOE_SUPPORT)
+#endif
+
+/** ETH_PAD_SIZE: number of bytes added before the ethernet header to ensure
+ * alignment of payload after that header. Since the header is 14 bytes long,
+ * without this padding e.g. addresses in the IP header will not be aligned
+ * on a 32-bit boundary, so setting this to 2 can speed up 32-bit-platforms.
+ */
+#ifndef ETH_PAD_SIZE
+#define ETH_PAD_SIZE                    0
+#endif
+
+/** ETHARP_SUPPORT_STATIC_ENTRIES==1: enable code to support static ARP table
+ * entries (using etharp_add_static_entry/etharp_remove_static_entry).
+ */
+#ifndef ETHARP_SUPPORT_STATIC_ENTRIES
+#define ETHARP_SUPPORT_STATIC_ENTRIES   0
+#endif
+
+
+/*
+   --------------------------------
+   ---------- IP options ----------
+   --------------------------------
+*/
+/**
+ * IP_FORWARD==1: Enables the ability to forward IP packets across network
+ * interfaces. If you are going to run lwIP on a device with only one network
+ * interface, define this to 0.
+ */
+#ifndef IP_FORWARD
+#define IP_FORWARD                      0
+#endif
+
+/**
+ * IP_OPTIONS_ALLOWED: Defines the behavior for IP options.
+ *      IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped.
+ *      IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed).
+ */
+#ifndef IP_OPTIONS_ALLOWED
+#define IP_OPTIONS_ALLOWED              1
+#endif
+
+/**
+ * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that
+ * this option does not affect outgoing packet sizes, which can be controlled
+ * via IP_FRAG.
+ */
+#ifndef IP_REASSEMBLY
+#define IP_REASSEMBLY                   1
+#endif
+
+/**
+ * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note
+ * that this option does not affect incoming packet sizes, which can be
+ * controlled via IP_REASSEMBLY.
+ */
+#ifndef IP_FRAG
+#define IP_FRAG                         1
+#endif
+
+/**
+ * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally)
+ * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived
+ * in this time, the whole packet is discarded.
+ */
+#ifndef IP_REASS_MAXAGE
+#define IP_REASS_MAXAGE                 3
+#endif
+
+/**
+ * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled.
+ * Since the received pbufs are enqueued, be sure to configure
+ * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive
+ * packets even if the maximum amount of fragments is enqueued for reassembly!
+ */
+#ifndef IP_REASS_MAX_PBUFS
+#define IP_REASS_MAX_PBUFS              10
+#endif
+
+/**
+ * IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP
+ * fragmentation. Otherwise pbufs are allocated and reference the original
+ * packet data to be fragmented (or with LWIP_NETIF_TX_SINGLE_PBUF==1,
+ * new PBUF_RAM pbufs are used for fragments).
+ * ATTENTION: IP_FRAG_USES_STATIC_BUF==1 may not be used for DMA-enabled MACs!
+ */
+#ifndef IP_FRAG_USES_STATIC_BUF
+#define IP_FRAG_USES_STATIC_BUF         0
+#endif
+
+/**
+ * IP_FRAG_MAX_MTU: Assumed max MTU on any interface for IP frag buffer
+ * (requires IP_FRAG_USES_STATIC_BUF==1)
+ */
+#if IP_FRAG_USES_STATIC_BUF && !defined(IP_FRAG_MAX_MTU)
+#define IP_FRAG_MAX_MTU                 1500
+#endif
+
+/**
+ * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers.
+ */
+#ifndef IP_DEFAULT_TTL
+#define IP_DEFAULT_TTL                  255
+#endif
+
+/**
+ * IP_SOF_BROADCAST=1: Use the SOF_BROADCAST field to enable broadcast
+ * filter per pcb on udp and raw send operations. To enable broadcast filter
+ * on recv operations, you also have to set IP_SOF_BROADCAST_RECV=1.
+ */
+#ifndef IP_SOF_BROADCAST
+#define IP_SOF_BROADCAST                0
+#endif
+
+/**
+ * IP_SOF_BROADCAST_RECV (requires IP_SOF_BROADCAST=1) enable the broadcast
+ * filter on recv operations.
+ */
+#ifndef IP_SOF_BROADCAST_RECV
+#define IP_SOF_BROADCAST_RECV           0
+#endif
+
+/*
+   ----------------------------------
+   ---------- ICMP options ----------
+   ----------------------------------
+*/
+/**
+ * LWIP_ICMP==1: Enable ICMP module inside the IP stack.
+ * Be careful, disable that make your product non-compliant to RFC1122
+ */
+#ifndef LWIP_ICMP
+#define LWIP_ICMP                       1
+#endif
+
+/**
+ * ICMP_TTL: Default value for Time-To-Live used by ICMP packets.
+ */
+#ifndef ICMP_TTL
+#define ICMP_TTL                       (IP_DEFAULT_TTL)
+#endif
+
+/**
+ * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only)
+ */
+#ifndef LWIP_BROADCAST_PING
+#define LWIP_BROADCAST_PING             0
+#endif
+
+/**
+ * LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only)
+ */
+#ifndef LWIP_MULTICAST_PING
+#define LWIP_MULTICAST_PING             0
+#endif
+
+/*
+   ---------------------------------
+   ---------- RAW options ----------
+   ---------------------------------
+*/
+/**
+ * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
+ */
+#ifndef LWIP_RAW
+#define LWIP_RAW                        1
+#endif
+
+/**
+ * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
+ */
+#ifndef RAW_TTL
+#define RAW_TTL                        (IP_DEFAULT_TTL)
+#endif
+
+/*
+   ----------------------------------
+   ---------- DHCP options ----------
+   ----------------------------------
+*/
+/**
+ * LWIP_DHCP==1: Enable DHCP module.
+ */
+#ifndef LWIP_DHCP
+#define LWIP_DHCP                       0
+#endif
+
+/**
+ * DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address.
+ */
+#ifndef DHCP_DOES_ARP_CHECK
+#define DHCP_DOES_ARP_CHECK             ((LWIP_DHCP) && (LWIP_ARP))
+#endif
+
+/*
+   ------------------------------------
+   ---------- AUTOIP options ----------
+   ------------------------------------
+*/
+/**
+ * LWIP_AUTOIP==1: Enable AUTOIP module.
+ */
+#ifndef LWIP_AUTOIP
+#define LWIP_AUTOIP                     0
+#endif
+
+/**
+ * LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on
+ * the same interface at the same time.
+ */
+#ifndef LWIP_DHCP_AUTOIP_COOP
+#define LWIP_DHCP_AUTOIP_COOP           0
+#endif
+
+/**
+ * LWIP_DHCP_AUTOIP_COOP_TRIES: Set to the number of DHCP DISCOVER probes
+ * that should be sent before falling back on AUTOIP. This can be set
+ * as low as 1 to get an AutoIP address very quickly, but you should
+ * be prepared to handle a changing IP address when DHCP overrides
+ * AutoIP.
+ */
+#ifndef LWIP_DHCP_AUTOIP_COOP_TRIES
+#define LWIP_DHCP_AUTOIP_COOP_TRIES     9
+#endif
+
+/*
+   ----------------------------------
+   ---------- SNMP options ----------
+   ----------------------------------
+*/
+/**
+ * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP
+ * transport.
+ */
+#ifndef LWIP_SNMP
+#define LWIP_SNMP                       0
+#endif
+
+/**
+ * SNMP_CONCURRENT_REQUESTS: Number of concurrent requests the module will
+ * allow. At least one request buffer is required.
+ * Does not have to be changed unless external MIBs answer request asynchronously
+ */
+#ifndef SNMP_CONCURRENT_REQUESTS
+#define SNMP_CONCURRENT_REQUESTS        1
+#endif
+
+/**
+ * SNMP_TRAP_DESTINATIONS: Number of trap destinations. At least one trap
+ * destination is required
+ */
+#ifndef SNMP_TRAP_DESTINATIONS
+#define SNMP_TRAP_DESTINATIONS          1
+#endif
+
+/**
+ * SNMP_PRIVATE_MIB: 
+ * When using a private MIB, you have to create a file 'private_mib.h' that contains
+ * a 'struct mib_array_node mib_private' which contains your MIB.
+ */
+#ifndef SNMP_PRIVATE_MIB
+#define SNMP_PRIVATE_MIB                0
+#endif
+
+/**
+ * Only allow SNMP write actions that are 'safe' (e.g. disabeling netifs is not
+ * a safe action and disabled when SNMP_SAFE_REQUESTS = 1).
+ * Unsafe requests are disabled by default!
+ */
+#ifndef SNMP_SAFE_REQUESTS
+#define SNMP_SAFE_REQUESTS              1
+#endif
+
+/**
+ * The maximum length of strings used. This affects the size of
+ * MEMP_SNMP_VALUE elements.
+ */
+#ifndef SNMP_MAX_OCTET_STRING_LEN
+#define SNMP_MAX_OCTET_STRING_LEN       127
+#endif
+
+/**
+ * The maximum depth of the SNMP tree.
+ * With private MIBs enabled, this depends on your MIB!
+ * This affects the size of MEMP_SNMP_VALUE elements.
+ */
+#ifndef SNMP_MAX_TREE_DEPTH
+#define SNMP_MAX_TREE_DEPTH             15
+#endif
+
+/**
+ * The size of the MEMP_SNMP_VALUE elements, normally calculated from
+ * SNMP_MAX_OCTET_STRING_LEN and SNMP_MAX_TREE_DEPTH.
+ */
+#ifndef SNMP_MAX_VALUE_SIZE
+#define SNMP_MAX_VALUE_SIZE             LWIP_MAX((SNMP_MAX_OCTET_STRING_LEN)+1, sizeof(s32_t)*(SNMP_MAX_TREE_DEPTH))
+#endif
+
+/*
+   ----------------------------------
+   ---------- IGMP options ----------
+   ----------------------------------
+*/
+/**
+ * LWIP_IGMP==1: Turn on IGMP module. 
+ */
+#ifndef LWIP_IGMP
+#define LWIP_IGMP                       0
+#endif
+
+/*
+   ----------------------------------
+   ---------- DNS options -----------
+   ----------------------------------
+*/
+/**
+ * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS
+ * transport.
+ */
+#ifndef LWIP_DNS
+#define LWIP_DNS                        0
+#endif
+
+/** DNS maximum number of entries to maintain locally. */
+#ifndef DNS_TABLE_SIZE
+#define DNS_TABLE_SIZE                  4
+#endif
+
+/** DNS maximum host name length supported in the name table. */
+#ifndef DNS_MAX_NAME_LENGTH
+#define DNS_MAX_NAME_LENGTH             256
+#endif
+
+/** The maximum of DNS servers */
+#ifndef DNS_MAX_SERVERS
+#define DNS_MAX_SERVERS                 2
+#endif
+
+/** DNS do a name checking between the query and the response. */
+#ifndef DNS_DOES_NAME_CHECK
+#define DNS_DOES_NAME_CHECK             1
+#endif
+
+/** DNS message max. size. Default value is RFC compliant. */
+#ifndef DNS_MSG_SIZE
+#define DNS_MSG_SIZE                    512
+#endif
+
+/** DNS_LOCAL_HOSTLIST: Implements a local host-to-address list. If enabled,
+ *  you have to define
+ *    #define DNS_LOCAL_HOSTLIST_INIT {{"host1", 0x123}, {"host2", 0x234}}
+ *  (an array of structs name/address, where address is an u32_t in network
+ *  byte order).
+ *
+ *  Instead, you can also use an external function:
+ *  #define DNS_LOOKUP_LOCAL_EXTERN(x) extern u32_t my_lookup_function(const char *name)
+ *  that returns the IP address or INADDR_NONE if not found.
+ */
+#ifndef DNS_LOCAL_HOSTLIST
+#define DNS_LOCAL_HOSTLIST              0
+#endif /* DNS_LOCAL_HOSTLIST */
+
+/** If this is turned on, the local host-list can be dynamically changed
+ *  at runtime. */
+#ifndef DNS_LOCAL_HOSTLIST_IS_DYNAMIC
+#define DNS_LOCAL_HOSTLIST_IS_DYNAMIC   0
+#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
+
+/*
+   ---------------------------------
+   ---------- UDP options ----------
+   ---------------------------------
+*/
+/**
+ * LWIP_UDP==1: Turn on UDP.
+ */
+#ifndef LWIP_UDP
+#define LWIP_UDP                        1
+#endif
+
+/**
+ * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP)
+ */
+#ifndef LWIP_UDPLITE
+#define LWIP_UDPLITE                    0
+#endif
+
+/**
+ * UDP_TTL: Default Time-To-Live value.
+ */
+#ifndef UDP_TTL
+#define UDP_TTL                         (IP_DEFAULT_TTL)
+#endif
+
+/**
+ * LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf.
+ */
+#ifndef LWIP_NETBUF_RECVINFO
+#define LWIP_NETBUF_RECVINFO            0
+#endif
+
+/*
+   ---------------------------------
+   ---------- TCP options ----------
+   ---------------------------------
+*/
+/**
+ * LWIP_TCP==1: Turn on TCP.
+ */
+#ifndef LWIP_TCP
+#define LWIP_TCP                        1
+#endif
+
+/**
+ * TCP_TTL: Default Time-To-Live value.
+ */
+#ifndef TCP_TTL
+#define TCP_TTL                         (IP_DEFAULT_TTL)
+#endif
+
+/**
+ * TCP_WND: The size of a TCP window.  This must be at least 
+ * (2 * TCP_MSS) for things to work well
+ */
+#ifndef TCP_WND
+#define TCP_WND                         (4 * TCP_MSS)
+#endif 
+
+/**
+ * TCP_MAXRTX: Maximum number of retransmissions of data segments.
+ */
+#ifndef TCP_MAXRTX
+#define TCP_MAXRTX                      12
+#endif
+
+/**
+ * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments.
+ */
+#ifndef TCP_SYNMAXRTX
+#define TCP_SYNMAXRTX                   6
+#endif
+
+/**
+ * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order.
+ * Define to 0 if your device is low on memory.
+ */
+#ifndef TCP_QUEUE_OOSEQ
+#define TCP_QUEUE_OOSEQ                 (LWIP_TCP)
+#endif
+
+/**
+ * TCP_MSS: TCP Maximum segment size. (default is 536, a conservative default,
+ * you might want to increase this.)
+ * For the receive side, this MSS is advertised to the remote side
+ * when opening a connection. For the transmit size, this MSS sets
+ * an upper limit on the MSS advertised by the remote host.
+ */
+#ifndef TCP_MSS
+#define TCP_MSS                         536
+#endif
+
+/**
+ * TCP_CALCULATE_EFF_SEND_MSS: "The maximum size of a segment that TCP really
+ * sends, the 'effective send MSS,' MUST be the smaller of the send MSS (which
+ * reflects the available reassembly buffer size at the remote host) and the
+ * largest size permitted by the IP layer" (RFC 1122)
+ * Setting this to 1 enables code that checks TCP_MSS against the MTU of the
+ * netif used for a connection and limits the MSS if it would be too big otherwise.
+ */
+#ifndef TCP_CALCULATE_EFF_SEND_MSS
+#define TCP_CALCULATE_EFF_SEND_MSS      1
+#endif
+
+
+/**
+ * TCP_SND_BUF: TCP sender buffer space (bytes). 
+ */
+#ifndef TCP_SND_BUF
+#define TCP_SND_BUF                     256
+#endif
+
+/**
+ * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least
+ * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work.
+ */
+#ifndef TCP_SND_QUEUELEN
+#define TCP_SND_QUEUELEN                ((4 * (TCP_SND_BUF) + (TCP_MSS - 1))/(TCP_MSS))
+#endif
+
+/**
+ * TCP_SNDLOWAT: TCP writable space (bytes). This must be less than
+ * TCP_SND_BUF. It is the amount of space which must be available in the
+ * TCP snd_buf for select to return writable (combined with TCP_SNDQUEUELOWAT).
+ */
+#ifndef TCP_SNDLOWAT
+#define TCP_SNDLOWAT                    ((TCP_SND_BUF)/2)
+#endif
+
+/**
+ * TCP_SNDQUEUELOWAT: TCP writable bufs (pbuf count). This must be grater
+ * than TCP_SND_QUEUELEN. If the number of pbufs queued on a pcb drops below
+ * this number, select returns writable (combined with TCP_SNDLOWAT).
+ */
+#ifndef TCP_SNDQUEUELOWAT
+#define TCP_SNDQUEUELOWAT               ((TCP_SND_QUEUELEN)/2)
+#endif
+
+/**
+ * TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb.
+ */
+#ifndef TCP_LISTEN_BACKLOG
+#define TCP_LISTEN_BACKLOG              0
+#endif
+
+/**
+ * The maximum allowed backlog for TCP listen netconns.
+ * This backlog is used unless another is explicitly specified.
+ * 0xff is the maximum (u8_t).
+ */
+#ifndef TCP_DEFAULT_LISTEN_BACKLOG
+#define TCP_DEFAULT_LISTEN_BACKLOG      0xff
+#endif
+
+/**
+ * TCP_OVERSIZE: The maximum number of bytes that tcp_write may
+ * allocate ahead of time in an attempt to create shorter pbuf chains
+ * for transmission. The meaningful range is 0 to TCP_MSS. Some
+ * suggested values are:
+ *
+ * 0:         Disable oversized allocation. Each tcp_write() allocates a new
+              pbuf (old behaviour).
+ * 1:         Allocate size-aligned pbufs with minimal excess. Use this if your
+ *            scatter-gather DMA requires aligned fragments.
+ * 128:       Limit the pbuf/memory overhead to 20%.
+ * TCP_MSS:   Try to create unfragmented TCP packets.
+ * TCP_MSS/4: Try to create 4 fragments or less per TCP packet.
+ */
+#ifndef TCP_OVERSIZE
+#define TCP_OVERSIZE                    TCP_MSS
+#endif
+
+/**
+ * LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option.
+ */
+#ifndef LWIP_TCP_TIMESTAMPS
+#define LWIP_TCP_TIMESTAMPS             0
+#endif
+
+/**
+ * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an
+ * explicit window update
+ */
+#ifndef TCP_WND_UPDATE_THRESHOLD
+#define TCP_WND_UPDATE_THRESHOLD   (TCP_WND / 4)
+#endif
+
+/**
+ * LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1.
+ *     LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all
+ *         events (accept, sent, etc) that happen in the system.
+ *     LWIP_CALLBACK_API==1: The PCB callback function is called directly
+ *         for the event.
+ */
+#ifndef LWIP_EVENT_API
+#define LWIP_EVENT_API                  0
+#define LWIP_CALLBACK_API               1
+#else 
+#define LWIP_EVENT_API                  1
+#define LWIP_CALLBACK_API               0
+#endif
+
+
+/*
+   ----------------------------------
+   ---------- Pbuf options ----------
+   ----------------------------------
+*/
+/**
+ * PBUF_LINK_HLEN: the number of bytes that should be allocated for a
+ * link level header. The default is 14, the standard value for
+ * Ethernet.
+ */
+#ifndef PBUF_LINK_HLEN
+#define PBUF_LINK_HLEN                  (14 + ETH_PAD_SIZE)
+#endif
+
+/**
+ * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is
+ * designed to accomodate single full size TCP frame in one pbuf, including
+ * TCP_MSS, IP header, and link header.
+ */
+#ifndef PBUF_POOL_BUFSIZE
+#define PBUF_POOL_BUFSIZE               LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN)
+#endif
+
+/*
+   ------------------------------------------------
+   ---------- Network Interfaces options ----------
+   ------------------------------------------------
+*/
+/**
+ * LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname
+ * field.
+ */
+#ifndef LWIP_NETIF_HOSTNAME
+#define LWIP_NETIF_HOSTNAME             0
+#endif
+
+/**
+ * LWIP_NETIF_API==1: Support netif api (in netifapi.c)
+ */
+#ifndef LWIP_NETIF_API
+#define LWIP_NETIF_API                  0
+#endif
+
+/**
+ * LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface
+ * changes its up/down status (i.e., due to DHCP IP acquistion)
+ */
+#ifndef LWIP_NETIF_STATUS_CALLBACK
+#define LWIP_NETIF_STATUS_CALLBACK      0
+#endif
+
+/**
+ * LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface
+ * whenever the link changes (i.e., link down)
+ */
+#ifndef LWIP_NETIF_LINK_CALLBACK
+#define LWIP_NETIF_LINK_CALLBACK        0
+#endif
+
+/**
+ * LWIP_NETIF_HWADDRHINT==1: Cache link-layer-address hints (e.g. table
+ * indices) in struct netif. TCP and UDP can make use of this to prevent
+ * scanning the ARP table for every sent packet. While this is faster for big
+ * ARP tables or many concurrent connections, it might be counterproductive
+ * if you have a tiny ARP table or if there never are concurrent connections.
+ */
+#ifndef LWIP_NETIF_HWADDRHINT
+#define LWIP_NETIF_HWADDRHINT           0
+#endif
+
+/**
+ * LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP
+ * address equal to the netif IP address, looping them back up the stack.
+ */
+#ifndef LWIP_NETIF_LOOPBACK
+#define LWIP_NETIF_LOOPBACK             0
+#endif
+
+/**
+ * LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback
+ * sending for each netif (0 = disabled)
+ */
+#ifndef LWIP_LOOPBACK_MAX_PBUFS
+#define LWIP_LOOPBACK_MAX_PBUFS         0
+#endif
+
+/**
+ * LWIP_NETIF_LOOPBACK_MULTITHREADING: Indicates whether threading is enabled in
+ * the system, as netifs must change how they behave depending on this setting
+ * for the LWIP_NETIF_LOOPBACK option to work.
+ * Setting this is needed to avoid reentering non-reentrant functions like
+ * tcp_input().
+ *    LWIP_NETIF_LOOPBACK_MULTITHREADING==1: Indicates that the user is using a
+ *       multithreaded environment like tcpip.c. In this case, netif->input()
+ *       is called directly.
+ *    LWIP_NETIF_LOOPBACK_MULTITHREADING==0: Indicates a polling (or NO_SYS) setup.
+ *       The packets are put on a list and netif_poll() must be called in
+ *       the main application loop.
+ */
+#ifndef LWIP_NETIF_LOOPBACK_MULTITHREADING
+#define LWIP_NETIF_LOOPBACK_MULTITHREADING    (!NO_SYS)
+#endif
+
+/**
+ * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data
+ * to be sent into one single pbuf. This is for compatibility with DMA-enabled
+ * MACs that do not support scatter-gather.
+ * Beware that this might involve CPU-memcpy before transmitting that would not
+ * be needed without this flag! Use this only if you need to!
+ *
+ * @todo: TCP and IP-frag do not work with this, yet:
+ */
+#ifndef LWIP_NETIF_TX_SINGLE_PBUF
+#define LWIP_NETIF_TX_SINGLE_PBUF             0
+#endif /* LWIP_NETIF_TX_SINGLE_PBUF */
+
+/*
+   ------------------------------------
+   ---------- LOOPIF options ----------
+   ------------------------------------
+*/
+/**
+ * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c
+ */
+#ifndef LWIP_HAVE_LOOPIF
+#define LWIP_HAVE_LOOPIF                0
+#endif
+
+/*
+   ------------------------------------
+   ---------- SLIPIF options ----------
+   ------------------------------------
+*/
+/**
+ * LWIP_HAVE_SLIPIF==1: Support slip interface and slipif.c
+ */
+#ifndef LWIP_HAVE_SLIPIF
+#define LWIP_HAVE_SLIPIF                0
+#endif
+
+/*
+   ------------------------------------
+   ---------- Thread options ----------
+   ------------------------------------
+*/
+/**
+ * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread.
+ */
+#ifndef TCPIP_THREAD_NAME
+#define TCPIP_THREAD_NAME              "tcpip_thread"
+#endif
+
+/**
+ * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread.
+ * The stack size value itself is platform-dependent, but is passed to
+ * sys_thread_new() when the thread is created.
+ */
+#ifndef TCPIP_THREAD_STACKSIZE
+#define TCPIP_THREAD_STACKSIZE          0
+#endif
+
+/**
+ * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread.
+ * The priority value itself is platform-dependent, but is passed to
+ * sys_thread_new() when the thread is created.
+ */
+#ifndef TCPIP_THREAD_PRIO
+#define TCPIP_THREAD_PRIO               1
+#endif
+
+/**
+ * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages
+ * The queue size value itself is platform-dependent, but is passed to
+ * sys_mbox_new() when tcpip_init is called.
+ */
+#ifndef TCPIP_MBOX_SIZE
+#define TCPIP_MBOX_SIZE                 0
+#endif
+
+/**
+ * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread.
+ */
+#ifndef SLIPIF_THREAD_NAME
+#define SLIPIF_THREAD_NAME             "slipif_loop"
+#endif
+
+/**
+ * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread.
+ * The stack size value itself is platform-dependent, but is passed to
+ * sys_thread_new() when the thread is created.
+ */
+#ifndef SLIPIF_THREAD_STACKSIZE
+#define SLIPIF_THREAD_STACKSIZE         0
+#endif
+
+/**
+ * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread.
+ * The priority value itself is platform-dependent, but is passed to
+ * sys_thread_new() when the thread is created.
+ */
+#ifndef SLIPIF_THREAD_PRIO
+#define SLIPIF_THREAD_PRIO              1
+#endif
+
+/**
+ * PPP_THREAD_NAME: The name assigned to the pppInputThread.
+ */
+#ifndef PPP_THREAD_NAME
+#define PPP_THREAD_NAME                "pppInputThread"
+#endif
+
+/**
+ * PPP_THREAD_STACKSIZE: The stack size used by the pppInputThread.
+ * The stack size value itself is platform-dependent, but is passed to
+ * sys_thread_new() when the thread is created.
+ */
+#ifndef PPP_THREAD_STACKSIZE
+#define PPP_THREAD_STACKSIZE            0
+#endif
+
+/**
+ * PPP_THREAD_PRIO: The priority assigned to the pppInputThread.
+ * The priority value itself is platform-dependent, but is passed to
+ * sys_thread_new() when the thread is created.
+ */
+#ifndef PPP_THREAD_PRIO
+#define PPP_THREAD_PRIO                 1
+#endif
+
+/**
+ * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread.
+ */
+#ifndef DEFAULT_THREAD_NAME
+#define DEFAULT_THREAD_NAME            "lwIP"
+#endif
+
+/**
+ * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread.
+ * The stack size value itself is platform-dependent, but is passed to
+ * sys_thread_new() when the thread is created.
+ */
+#ifndef DEFAULT_THREAD_STACKSIZE
+#define DEFAULT_THREAD_STACKSIZE        0
+#endif
+
+/**
+ * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread.
+ * The priority value itself is platform-dependent, but is passed to
+ * sys_thread_new() when the thread is created.
+ */
+#ifndef DEFAULT_THREAD_PRIO
+#define DEFAULT_THREAD_PRIO             1
+#endif
+
+/**
+ * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
+ * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed
+ * to sys_mbox_new() when the recvmbox is created.
+ */
+#ifndef DEFAULT_RAW_RECVMBOX_SIZE
+#define DEFAULT_RAW_RECVMBOX_SIZE       0
+#endif
+
+/**
+ * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
+ * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed
+ * to sys_mbox_new() when the recvmbox is created.
+ */
+#ifndef DEFAULT_UDP_RECVMBOX_SIZE
+#define DEFAULT_UDP_RECVMBOX_SIZE       0
+#endif
+
+/**
+ * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
+ * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed
+ * to sys_mbox_new() when the recvmbox is created.
+ */
+#ifndef DEFAULT_TCP_RECVMBOX_SIZE
+#define DEFAULT_TCP_RECVMBOX_SIZE       0
+#endif
+
+/**
+ * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections.
+ * The queue size value itself is platform-dependent, but is passed to
+ * sys_mbox_new() when the acceptmbox is created.
+ */
+#ifndef DEFAULT_ACCEPTMBOX_SIZE
+#define DEFAULT_ACCEPTMBOX_SIZE         0
+#endif
+
+/*
+   ----------------------------------------------
+   ---------- Sequential layer options ----------
+   ----------------------------------------------
+*/
+/**
+ * LWIP_TCPIP_CORE_LOCKING: (EXPERIMENTAL!)
+ * Don't use it if you're not an active lwIP project member
+ */
+#ifndef LWIP_TCPIP_CORE_LOCKING
+#define LWIP_TCPIP_CORE_LOCKING         0
+#endif
+
+/**
+ * LWIP_TCPIP_CORE_LOCKING_INPUT: (EXPERIMENTAL!)
+ * Don't use it if you're not an active lwIP project member
+ */
+#ifndef LWIP_TCPIP_CORE_LOCKING_INPUT
+#define LWIP_TCPIP_CORE_LOCKING_INPUT   0
+#endif
+
+/**
+ * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
+ */
+#ifndef LWIP_NETCONN
+#define LWIP_NETCONN                    1
+#endif
+
+/** LWIP_TCPIP_TIMEOUT==1: Enable tcpip_timeout/tcpip_untimeout tod create
+ * timers running in tcpip_thread from another thread.
+ */
+#ifndef LWIP_TCPIP_TIMEOUT
+#define LWIP_TCPIP_TIMEOUT              1
+#endif
+
+/*
+   ------------------------------------
+   ---------- Socket options ----------
+   ------------------------------------
+*/
+/**
+ * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
+ */
+#ifndef LWIP_SOCKET
+#define LWIP_SOCKET                     1
+#endif
+
+/**
+ * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names.
+ * (only used if you use sockets.c)
+ */
+#ifndef LWIP_COMPAT_SOCKETS
+#define LWIP_COMPAT_SOCKETS             1
+#endif
+
+/**
+ * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names.
+ * Disable this option if you use a POSIX operating system that uses the same
+ * names (read, write & close). (only used if you use sockets.c)
+ */
+#ifndef LWIP_POSIX_SOCKETS_IO_NAMES
+#define LWIP_POSIX_SOCKETS_IO_NAMES     1
+#endif
+
+/**
+ * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT
+ * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set
+ * in seconds. (does not require sockets.c, and will affect tcp.c)
+ */
+#ifndef LWIP_TCP_KEEPALIVE
+#define LWIP_TCP_KEEPALIVE              0
+#endif
+
+/**
+ * LWIP_SO_RCVTIMEO==1: Enable SO_RCVTIMEO processing.
+ */
+#ifndef LWIP_SO_RCVTIMEO
+#define LWIP_SO_RCVTIMEO                0
+#endif
+
+/**
+ * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
+ */
+#ifndef LWIP_SO_RCVBUF
+#define LWIP_SO_RCVBUF                  0
+#endif
+
+/**
+ * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize.
+ */
+#ifndef RECV_BUFSIZE_DEFAULT
+#define RECV_BUFSIZE_DEFAULT            INT_MAX
+#endif
+
+/**
+ * SO_REUSE==1: Enable SO_REUSEADDR option.
+ */
+#ifndef SO_REUSE
+#define SO_REUSE                        0
+#endif
+
+/**
+ * SO_REUSE_RXTOALL==1: Pass a copy of incoming broadcast/multicast packets
+ * to all local matches if SO_REUSEADDR is turned on.
+ * WARNING: Adds a memcpy for every packet if passing to more than one pcb!
+ */
+#ifndef SO_REUSE_RXTOALL
+#define SO_REUSE_RXTOALL                0
+#endif
+
+/*
+   ----------------------------------------
+   ---------- Statistics options ----------
+   ----------------------------------------
+*/
+/**
+ * LWIP_STATS==1: Enable statistics collection in lwip_stats.
+ */
+#ifndef LWIP_STATS
+#define LWIP_STATS                      1
+#endif
+
+#if LWIP_STATS
+
+/**
+ * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions.
+ */
+#ifndef LWIP_STATS_DISPLAY
+#define LWIP_STATS_DISPLAY              0
+#endif
+
+/**
+ * LINK_STATS==1: Enable link stats.
+ */
+#ifndef LINK_STATS
+#define LINK_STATS                      1
+#endif
+
+/**
+ * ETHARP_STATS==1: Enable etharp stats.
+ */
+#ifndef ETHARP_STATS
+#define ETHARP_STATS                    (LWIP_ARP)
+#endif
+
+/**
+ * IP_STATS==1: Enable IP stats.
+ */
+#ifndef IP_STATS
+#define IP_STATS                        1
+#endif
+
+/**
+ * IPFRAG_STATS==1: Enable IP fragmentation stats. Default is
+ * on if using either frag or reass.
+ */
+#ifndef IPFRAG_STATS
+#define IPFRAG_STATS                    (IP_REASSEMBLY || IP_FRAG)
+#endif
+
+/**
+ * ICMP_STATS==1: Enable ICMP stats.
+ */
+#ifndef ICMP_STATS
+#define ICMP_STATS                      1
+#endif
+
+/**
+ * IGMP_STATS==1: Enable IGMP stats.
+ */
+#ifndef IGMP_STATS
+#define IGMP_STATS                      (LWIP_IGMP)
+#endif
+
+/**
+ * UDP_STATS==1: Enable UDP stats. Default is on if
+ * UDP enabled, otherwise off.
+ */
+#ifndef UDP_STATS
+#define UDP_STATS                       (LWIP_UDP)
+#endif
+
+/**
+ * TCP_STATS==1: Enable TCP stats. Default is on if TCP
+ * enabled, otherwise off.
+ */
+#ifndef TCP_STATS
+#define TCP_STATS                       (LWIP_TCP)
+#endif
+
+/**
+ * MEM_STATS==1: Enable mem.c stats.
+ */
+#ifndef MEM_STATS
+#define MEM_STATS                       ((MEM_LIBC_MALLOC == 0) && (MEM_USE_POOLS == 0))
+#endif
+
+/**
+ * MEMP_STATS==1: Enable memp.c pool stats.
+ */
+#ifndef MEMP_STATS
+#define MEMP_STATS                      (MEMP_MEM_MALLOC == 0)
+#endif
+
+/**
+ * SYS_STATS==1: Enable system stats (sem and mbox counts, etc).
+ */
+#ifndef SYS_STATS
+#define SYS_STATS                       (NO_SYS == 0)
+#endif
+
+#else
+
+#define LINK_STATS                      0
+#define IP_STATS                        0
+#define IPFRAG_STATS                    0
+#define ICMP_STATS                      0
+#define IGMP_STATS                      0
+#define UDP_STATS                       0
+#define TCP_STATS                       0
+#define MEM_STATS                       0
+#define MEMP_STATS                      0
+#define SYS_STATS                       0
+#define LWIP_STATS_DISPLAY              0
+
+#endif /* LWIP_STATS */
+
+/*
+   ---------------------------------
+   ---------- PPP options ----------
+   ---------------------------------
+*/
+/**
+ * PPP_SUPPORT==1: Enable PPP.
+ */
+#ifndef PPP_SUPPORT
+#define PPP_SUPPORT                     0
+#endif
+
+/**
+ * PPPOE_SUPPORT==1: Enable PPP Over Ethernet
+ */
+#ifndef PPPOE_SUPPORT
+#define PPPOE_SUPPORT                   0
+#endif
+
+/**
+ * PPPOS_SUPPORT==1: Enable PPP Over Serial
+ */
+#ifndef PPPOS_SUPPORT
+#define PPPOS_SUPPORT                   PPP_SUPPORT
+#endif
+
+#if PPP_SUPPORT
+
+/**
+ * NUM_PPP: Max PPP sessions.
+ */
+#ifndef NUM_PPP
+#define NUM_PPP                         1
+#endif
+
+/**
+ * PAP_SUPPORT==1: Support PAP.
+ */
+#ifndef PAP_SUPPORT
+#define PAP_SUPPORT                     0
+#endif
+
+/**
+ * CHAP_SUPPORT==1: Support CHAP.
+ */
+#ifndef CHAP_SUPPORT
+#define CHAP_SUPPORT                    0
+#endif
+
+/**
+ * MSCHAP_SUPPORT==1: Support MSCHAP. CURRENTLY NOT SUPPORTED! DO NOT SET!
+ */
+#ifndef MSCHAP_SUPPORT
+#define MSCHAP_SUPPORT                  0
+#endif
+
+/**
+ * CBCP_SUPPORT==1: Support CBCP. CURRENTLY NOT SUPPORTED! DO NOT SET!
+ */
+#ifndef CBCP_SUPPORT
+#define CBCP_SUPPORT                    0
+#endif
+
+/**
+ * CCP_SUPPORT==1: Support CCP. CURRENTLY NOT SUPPORTED! DO NOT SET!
+ */
+#ifndef CCP_SUPPORT
+#define CCP_SUPPORT                     0
+#endif
+
+/**
+ * VJ_SUPPORT==1: Support VJ header compression.
+ */
+#ifndef VJ_SUPPORT
+#define VJ_SUPPORT                      0
+#endif
+
+/**
+ * MD5_SUPPORT==1: Support MD5 (see also CHAP).
+ */
+#ifndef MD5_SUPPORT
+#define MD5_SUPPORT                     0
+#endif
+
+/*
+ * Timeouts
+ */
+#ifndef FSM_DEFTIMEOUT
+#define FSM_DEFTIMEOUT                  6       /* Timeout time in seconds */
+#endif
+
+#ifndef FSM_DEFMAXTERMREQS
+#define FSM_DEFMAXTERMREQS              2       /* Maximum Terminate-Request transmissions */
+#endif
+
+#ifndef FSM_DEFMAXCONFREQS
+#define FSM_DEFMAXCONFREQS              10      /* Maximum Configure-Request transmissions */
+#endif
+
+#ifndef FSM_DEFMAXNAKLOOPS
+#define FSM_DEFMAXNAKLOOPS              5       /* Maximum number of nak loops */
+#endif
+
+#ifndef UPAP_DEFTIMEOUT
+#define UPAP_DEFTIMEOUT                 6       /* Timeout (seconds) for retransmitting req */
+#endif
+
+#ifndef UPAP_DEFREQTIME
+#define UPAP_DEFREQTIME                 30      /* Time to wait for auth-req from peer */
+#endif
+
+#ifndef CHAP_DEFTIMEOUT
+#define CHAP_DEFTIMEOUT                 6       /* Timeout time in seconds */
+#endif
+
+#ifndef CHAP_DEFTRANSMITS
+#define CHAP_DEFTRANSMITS               10      /* max # times to send challenge */
+#endif
+
+/* Interval in seconds between keepalive echo requests, 0 to disable. */
+#ifndef LCP_ECHOINTERVAL
+#define LCP_ECHOINTERVAL                0
+#endif
+
+/* Number of unanswered echo requests before failure. */
+#ifndef LCP_MAXECHOFAILS
+#define LCP_MAXECHOFAILS                3
+#endif
+
+/* Max Xmit idle time (in jiffies) before resend flag char. */
+#ifndef PPP_MAXIDLEFLAG
+#define PPP_MAXIDLEFLAG                 100
+#endif
+
+/*
+ * Packet sizes
+ *
+ * Note - lcp shouldn't be allowed to negotiate stuff outside these
+ *    limits.  See lcp.h in the pppd directory.
+ * (XXX - these constants should simply be shared by lcp.c instead
+ *    of living in lcp.h)
+ */
+#define PPP_MTU                         1500     /* Default MTU (size of Info field) */
+#ifndef PPP_MAXMTU
+/* #define PPP_MAXMTU  65535 - (PPP_HDRLEN + PPP_FCSLEN) */
+#define PPP_MAXMTU                      1500 /* Largest MTU we allow */
+#endif
+#define PPP_MINMTU                      64
+#define PPP_MRU                         1500     /* default MRU = max length of info field */
+#define PPP_MAXMRU                      1500     /* Largest MRU we allow */
+#ifndef PPP_DEFMRU
+#define PPP_DEFMRU                      296             /* Try for this */
+#endif
+#define PPP_MINMRU                      128             /* No MRUs below this */
+
+#ifndef MAXNAMELEN
+#define MAXNAMELEN                      256     /* max length of hostname or name for auth */
+#endif
+#ifndef MAXSECRETLEN
+#define MAXSECRETLEN                    256     /* max length of password or secret */
+#endif
+
+#endif /* PPP_SUPPORT */
+
+/*
+   --------------------------------------
+   ---------- Checksum options ----------
+   --------------------------------------
+*/
+/**
+ * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.
+ */
+#ifndef CHECKSUM_GEN_IP
+#define CHECKSUM_GEN_IP                 1
+#endif
+ 
+/**
+ * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.
+ */
+#ifndef CHECKSUM_GEN_UDP
+#define CHECKSUM_GEN_UDP                1
+#endif
+ 
+/**
+ * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.
+ */
+#ifndef CHECKSUM_GEN_TCP
+#define CHECKSUM_GEN_TCP                1
+#endif
+ 
+/**
+ * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.
+ */
+#ifndef CHECKSUM_CHECK_IP
+#define CHECKSUM_CHECK_IP               1
+#endif
+ 
+/**
+ * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.
+ */
+#ifndef CHECKSUM_CHECK_UDP
+#define CHECKSUM_CHECK_UDP              1
+#endif
+
+/**
+ * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.
+ */
+#ifndef CHECKSUM_CHECK_TCP
+#define CHECKSUM_CHECK_TCP              1
+#endif
+
+/**
+ * LWIP_CHECKSUM_ON_COPY==1: Calculate checksum when copying data from
+ * application buffers to pbufs.
+ */
+#ifndef LWIP_CHECKSUM_ON_COPY
+#define LWIP_CHECKSUM_ON_COPY           0
+#endif
+
+/*
+   ---------------------------------------
+   ---------- Debugging options ----------
+   ---------------------------------------
+*/
+/**
+ * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is
+ * compared against this value. If it is smaller, then debugging
+ * messages are written.
+ */
+#ifndef LWIP_DBG_MIN_LEVEL
+#define LWIP_DBG_MIN_LEVEL              LWIP_DBG_LEVEL_ALL
+#endif
+
+/**
+ * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable
+ * debug messages of certain types.
+ */
+#ifndef LWIP_DBG_TYPES_ON
+#define LWIP_DBG_TYPES_ON               LWIP_DBG_ON
+#endif
+
+/**
+ * ETHARP_DEBUG: Enable debugging in etharp.c.
+ */
+#ifndef ETHARP_DEBUG
+#define ETHARP_DEBUG                    LWIP_DBG_OFF
+#endif
+
+/**
+ * NETIF_DEBUG: Enable debugging in netif.c.
+ */
+#ifndef NETIF_DEBUG
+#define NETIF_DEBUG                     LWIP_DBG_OFF
+#endif
+
+/**
+ * PBUF_DEBUG: Enable debugging in pbuf.c.
+ */
+#ifndef PBUF_DEBUG
+#define PBUF_DEBUG                      LWIP_DBG_OFF
+#endif
+
+/**
+ * API_LIB_DEBUG: Enable debugging in api_lib.c.
+ */
+#ifndef API_LIB_DEBUG
+#define API_LIB_DEBUG                   LWIP_DBG_OFF
+#endif
+
+/**
+ * API_MSG_DEBUG: Enable debugging in api_msg.c.
+ */
+#ifndef API_MSG_DEBUG
+#define API_MSG_DEBUG                   LWIP_DBG_OFF
+#endif
+
+/**
+ * SOCKETS_DEBUG: Enable debugging in sockets.c.
+ */
+#ifndef SOCKETS_DEBUG
+#define SOCKETS_DEBUG                   LWIP_DBG_OFF
+#endif
+
+/**
+ * ICMP_DEBUG: Enable debugging in icmp.c.
+ */
+#ifndef ICMP_DEBUG
+#define ICMP_DEBUG                      LWIP_DBG_OFF
+#endif
+
+/**
+ * IGMP_DEBUG: Enable debugging in igmp.c.
+ */
+#ifndef IGMP_DEBUG
+#define IGMP_DEBUG                      LWIP_DBG_OFF
+#endif
+
+/**
+ * INET_DEBUG: Enable debugging in inet.c.
+ */
+#ifndef INET_DEBUG
+#define INET_DEBUG                      LWIP_DBG_OFF
+#endif
+
+/**
+ * IP_DEBUG: Enable debugging for IP.
+ */
+#ifndef IP_DEBUG
+#define IP_DEBUG                        LWIP_DBG_OFF
+#endif
+
+/**
+ * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass.
+ */
+#ifndef IP_REASS_DEBUG
+#define IP_REASS_DEBUG                  LWIP_DBG_OFF
+#endif
+
+/**
+ * RAW_DEBUG: Enable debugging in raw.c.
+ */
+#ifndef RAW_DEBUG
+#define RAW_DEBUG                       LWIP_DBG_OFF
+#endif
+
+/**
+ * MEM_DEBUG: Enable debugging in mem.c.
+ */
+#ifndef MEM_DEBUG
+#define MEM_DEBUG                       LWIP_DBG_OFF
+#endif
+
+/**
+ * MEMP_DEBUG: Enable debugging in memp.c.
+ */
+#ifndef MEMP_DEBUG
+#define MEMP_DEBUG                      LWIP_DBG_OFF
+#endif
+
+/**
+ * SYS_DEBUG: Enable debugging in sys.c.
+ */
+#ifndef SYS_DEBUG
+#define SYS_DEBUG                       LWIP_DBG_OFF
+#endif
+
+/**
+ * TIMERS_DEBUG: Enable debugging in timers.c.
+ */
+#ifndef TIMERS_DEBUG
+#define TIMERS_DEBUG                    LWIP_DBG_OFF
+#endif
+
+/**
+ * TCP_DEBUG: Enable debugging for TCP.
+ */
+#ifndef TCP_DEBUG
+#define TCP_DEBUG                       LWIP_DBG_OFF
+#endif
+
+/**
+ * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug.
+ */
+#ifndef TCP_INPUT_DEBUG
+#define TCP_INPUT_DEBUG                 LWIP_DBG_OFF
+#endif
+
+/**
+ * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit.
+ */
+#ifndef TCP_FR_DEBUG
+#define TCP_FR_DEBUG                    LWIP_DBG_OFF
+#endif
+
+/**
+ * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit
+ * timeout.
+ */
+#ifndef TCP_RTO_DEBUG
+#define TCP_RTO_DEBUG                   LWIP_DBG_OFF
+#endif
+
+/**
+ * TCP_CWND_DEBUG: Enable debugging for TCP congestion window.
+ */
+#ifndef TCP_CWND_DEBUG
+#define TCP_CWND_DEBUG                  LWIP_DBG_OFF
+#endif
+
+/**
+ * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating.
+ */
+#ifndef TCP_WND_DEBUG
+#define TCP_WND_DEBUG                   LWIP_DBG_OFF
+#endif
+
+/**
+ * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions.
+ */
+#ifndef TCP_OUTPUT_DEBUG
+#define TCP_OUTPUT_DEBUG                LWIP_DBG_OFF
+#endif
+
+/**
+ * TCP_RST_DEBUG: Enable debugging for TCP with the RST message.
+ */
+#ifndef TCP_RST_DEBUG
+#define TCP_RST_DEBUG                   LWIP_DBG_OFF
+#endif
+
+/**
+ * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths.
+ */
+#ifndef TCP_QLEN_DEBUG
+#define TCP_QLEN_DEBUG                  LWIP_DBG_OFF
+#endif
+
+/**
+ * UDP_DEBUG: Enable debugging in UDP.
+ */
+#ifndef UDP_DEBUG
+#define UDP_DEBUG                       LWIP_DBG_OFF
+#endif
+
+/**
+ * TCPIP_DEBUG: Enable debugging in tcpip.c.
+ */
+#ifndef TCPIP_DEBUG
+#define TCPIP_DEBUG                     LWIP_DBG_OFF
+#endif
+
+/**
+ * PPP_DEBUG: Enable debugging for PPP.
+ */
+#ifndef PPP_DEBUG
+#define PPP_DEBUG                       LWIP_DBG_OFF
+#endif
+
+/**
+ * SLIP_DEBUG: Enable debugging in slipif.c.
+ */
+#ifndef SLIP_DEBUG
+#define SLIP_DEBUG                      LWIP_DBG_OFF
+#endif
+
+/**
+ * DHCP_DEBUG: Enable debugging in dhcp.c.
+ */
+#ifndef DHCP_DEBUG
+#define DHCP_DEBUG                      LWIP_DBG_OFF
+#endif
+
+/**
+ * AUTOIP_DEBUG: Enable debugging in autoip.c.
+ */
+#ifndef AUTOIP_DEBUG
+#define AUTOIP_DEBUG                    LWIP_DBG_OFF
+#endif
+
+/**
+ * SNMP_MSG_DEBUG: Enable debugging for SNMP messages.
+ */
+#ifndef SNMP_MSG_DEBUG
+#define SNMP_MSG_DEBUG                  LWIP_DBG_OFF
+#endif
+
+/**
+ * SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs.
+ */
+#ifndef SNMP_MIB_DEBUG
+#define SNMP_MIB_DEBUG                  LWIP_DBG_OFF
+#endif
+
+/**
+ * DNS_DEBUG: Enable debugging for DNS.
+ */
+#ifndef DNS_DEBUG
+#define DNS_DEBUG                       LWIP_DBG_OFF
+#endif
+
+#endif /* __LWIP_OPT_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/pbuf.h b/libraries/net/lwip/lwip/include/lwip/pbuf.h
new file mode 100644
index 0000000000..3b1d608b9c
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/pbuf.h
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+
+#ifndef __LWIP_PBUF_H__
+#define __LWIP_PBUF_H__
+
+#include "lwip/opt.h"
+#include "lwip/err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Currently, the pbuf_custom code is only needed for one specific configuration
+ * of IP_FRAG */
+#define LWIP_SUPPORT_CUSTOM_PBUF (IP_FRAG && !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF)
+
+#define PBUF_TRANSPORT_HLEN 20
+#define PBUF_IP_HLEN        20
+
+typedef enum {
+  PBUF_TRANSPORT,
+  PBUF_IP,
+  PBUF_LINK,
+  PBUF_RAW
+} pbuf_layer;
+
+typedef enum {
+  PBUF_RAM, /* pbuf data is stored in RAM */
+  PBUF_ROM, /* pbuf data is stored in ROM */
+  PBUF_REF, /* pbuf comes from the pbuf pool */
+  PBUF_POOL /* pbuf payload refers to RAM */
+} pbuf_type;
+
+
+/** indicates this packet's data should be immediately passed to the application */
+#define PBUF_FLAG_PUSH      0x01U
+/** indicates this is a custom pbuf: pbuf_free and pbuf_header handle such a
+    a pbuf differently */
+#define PBUF_FLAG_IS_CUSTOM 0x02U
+/** indicates this pbuf is UDP multicast to be looped back */
+#define PBUF_FLAG_MCASTLOOP 0x04U
+
+struct pbuf {
+  /** next pbuf in singly linked pbuf chain */
+  struct pbuf *next;
+
+  /** pointer to the actual data in the buffer */
+  void *payload;
+
+  /**
+   * total length of this buffer and all next buffers in chain
+   * belonging to the same packet.
+   *
+   * For non-queue packet chains this is the invariant:
+   * p->tot_len == p->len + (p->next? p->next->tot_len: 0)
+   */
+  u16_t tot_len;
+
+  /** length of this buffer */
+  u16_t len;
+
+  /** pbuf_type as u8_t instead of enum to save space */
+  u8_t /*pbuf_type*/ type;
+
+  /** misc flags */
+  u8_t flags;
+
+  /**
+   * the reference count always equals the number of pointers
+   * that refer to this pbuf. This can be pointers from an application,
+   * the stack itself, or pbuf->next pointers from a chain.
+   */
+  u16_t ref;
+};
+
+#if LWIP_SUPPORT_CUSTOM_PBUF
+/** Prototype for a function to free a custom pbuf */
+typedef void (*pbuf_free_custom_fn)(struct pbuf *p);
+
+/** A custom pbuf: like a pbuf, but following a function pointer to free it. */
+struct pbuf_custom {
+  /** The actual pbuf */
+  struct pbuf pbuf;
+  /** This function is called when pbuf_free deallocates this pbuf(_custom) */
+  pbuf_free_custom_fn custom_free_function;
+};
+#endif /* LWIP_SUPPORT_CUSTOM_PBUF */
+
+/* Initializes the pbuf module. This call is empty for now, but may not be in future. */
+#define pbuf_init()
+
+struct pbuf *pbuf_alloc(pbuf_layer l, u16_t length, pbuf_type type);
+#if LWIP_SUPPORT_CUSTOM_PBUF
+struct pbuf *pbuf_alloced_custom(pbuf_layer l, u16_t length, pbuf_type type,
+                                 struct pbuf_custom *p, void *payload_mem,
+                                 u16_t payload_mem_len);
+#endif /* LWIP_SUPPORT_CUSTOM_PBUF */
+void pbuf_realloc(struct pbuf *p, u16_t size); 
+u8_t pbuf_header(struct pbuf *p, s16_t header_size);
+void pbuf_ref(struct pbuf *p);
+u8_t pbuf_free(struct pbuf *p);
+u8_t pbuf_clen(struct pbuf *p);  
+void pbuf_cat(struct pbuf *head, struct pbuf *tail);
+void pbuf_chain(struct pbuf *head, struct pbuf *tail);
+struct pbuf *pbuf_dechain(struct pbuf *p);
+err_t pbuf_copy(struct pbuf *p_to, struct pbuf *p_from);
+u16_t pbuf_copy_partial(struct pbuf *p, void *dataptr, u16_t len, u16_t offset);
+err_t pbuf_take(struct pbuf *buf, const void *dataptr, u16_t len);
+struct pbuf *pbuf_coalesce(struct pbuf *p, pbuf_layer layer);
+#if LWIP_CHECKSUM_ON_COPY
+err_t pbuf_fill_chksum(struct pbuf *p, u16_t start_offset, const void *dataptr,
+                       u16_t len, u16_t *chksum);
+#endif /* LWIP_CHECKSUM_ON_COPY */
+
+u8_t pbuf_get_at(struct pbuf* p, u16_t offset);
+u16_t pbuf_memcmp(struct pbuf* p, u16_t offset, const void* s2, u16_t n);
+u16_t pbuf_memfind(struct pbuf* p, const void* mem, u16_t mem_len, u16_t start_offset);
+u16_t pbuf_strstr(struct pbuf* p, const char* substr);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_PBUF_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/raw.h b/libraries/net/lwip/lwip/include/lwip/raw.h
new file mode 100644
index 0000000000..17d0a1c540
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/raw.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_RAW_H__
+#define __LWIP_RAW_H__
+
+#include "lwip/opt.h"
+
+#if LWIP_RAW /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/pbuf.h"
+#include "lwip/def.h"
+#include "lwip/ip.h"
+#include "lwip/ip_addr.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct raw_pcb;
+
+/** Function prototype for raw pcb receive callback functions.
+ * @param arg user supplied argument (raw_pcb.recv_arg)
+ * @param pcb the raw_pcb which received data
+ * @param p the packet buffer that was received
+ * @param addr the remote IP address from which the packet was received
+ * @return 1 if the packet was 'eaten' (aka. deleted),
+ *         0 if the packet lives on
+ * If returning 1, the callback is responsible for freeing the pbuf
+ * if it's not used any more.
+ */
+typedef u8_t (*raw_recv_fn)(void *arg, struct raw_pcb *pcb, struct pbuf *p,
+    ip_addr_t *addr);
+
+struct raw_pcb {
+  /* Common members of all PCB types */
+  IP_PCB;
+
+  struct raw_pcb *next;
+
+  u8_t protocol;
+
+  /** receive callback function */
+  raw_recv_fn recv;
+  /* user-supplied argument for the recv callback */
+  void *recv_arg;
+};
+
+/* The following functions is the application layer interface to the
+   RAW code. */
+struct raw_pcb * raw_new        (u8_t proto);
+void             raw_remove     (struct raw_pcb *pcb);
+err_t            raw_bind       (struct raw_pcb *pcb, ip_addr_t *ipaddr);
+err_t            raw_connect    (struct raw_pcb *pcb, ip_addr_t *ipaddr);
+
+void             raw_recv       (struct raw_pcb *pcb, raw_recv_fn recv, void *recv_arg);
+err_t            raw_sendto     (struct raw_pcb *pcb, struct pbuf *p, ip_addr_t *ipaddr);
+err_t            raw_send       (struct raw_pcb *pcb, struct pbuf *p);
+
+/* The following functions are the lower layer interface to RAW. */
+u8_t             raw_input      (struct pbuf *p, struct netif *inp);
+#define raw_init() /* Compatibility define, not init needed. */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_RAW */
+
+#endif /* __LWIP_RAW_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/sio.h b/libraries/net/lwip/lwip/include/lwip/sio.h
new file mode 100644
index 0000000000..28ae2f225d
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/sio.h
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ */
+
+/*
+ * This is the interface to the platform specific serial IO module
+ * It needs to be implemented by those platforms which need SLIP or PPP
+ */
+
+#ifndef __SIO_H__
+#define __SIO_H__
+
+#include "lwip/arch.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* If you want to define sio_fd_t elsewhere or differently,
+   define this in your cc.h file. */
+#ifndef __sio_fd_t_defined
+typedef void * sio_fd_t;
+#endif
+
+/* The following functions can be defined to something else in your cc.h file
+   or be implemented in your custom sio.c file. */
+
+#ifndef sio_open
+/**
+ * Opens a serial device for communication.
+ * 
+ * @param devnum device number
+ * @return handle to serial device if successful, NULL otherwise
+ */
+sio_fd_t sio_open(u8_t devnum);
+#endif
+
+#ifndef sio_send
+/**
+ * Sends a single character to the serial device.
+ * 
+ * @param c character to send
+ * @param fd serial device handle
+ * 
+ * @note This function will block until the character can be sent.
+ */
+void sio_send(u8_t c, sio_fd_t fd);
+#endif
+
+#ifndef sio_recv
+/**
+ * Receives a single character from the serial device.
+ * 
+ * @param fd serial device handle
+ * 
+ * @note This function will block until a character is received.
+ */
+u8_t sio_recv(sio_fd_t fd);
+#endif
+
+#ifndef sio_read
+/**
+ * Reads from the serial device.
+ * 
+ * @param fd serial device handle
+ * @param data pointer to data buffer for receiving
+ * @param len maximum length (in bytes) of data to receive
+ * @return number of bytes actually received - may be 0 if aborted by sio_read_abort
+ * 
+ * @note This function will block until data can be received. The blocking
+ * can be cancelled by calling sio_read_abort().
+ */
+u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len);
+#endif
+
+#ifndef sio_tryread
+/**
+ * Tries to read from the serial device. Same as sio_read but returns
+ * immediately if no data is available and never blocks.
+ * 
+ * @param fd serial device handle
+ * @param data pointer to data buffer for receiving
+ * @param len maximum length (in bytes) of data to receive
+ * @return number of bytes actually received
+ */
+u32_t sio_tryread(sio_fd_t fd, u8_t *data, u32_t len);
+#endif
+
+#ifndef sio_write
+/**
+ * Writes to the serial device.
+ * 
+ * @param fd serial device handle
+ * @param data pointer to data to send
+ * @param len length (in bytes) of data to send
+ * @return number of bytes actually sent
+ * 
+ * @note This function will block until all data can be sent.
+ */
+u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len);
+#endif
+
+#ifndef sio_read_abort
+/**
+ * Aborts a blocking sio_read() call.
+ * 
+ * @param fd serial device handle
+ */
+void sio_read_abort(sio_fd_t fd);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __SIO_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/snmp.h b/libraries/net/lwip/lwip/include/lwip/snmp.h
new file mode 100644
index 0000000000..2ed043dd5f
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/snmp.h
@@ -0,0 +1,367 @@
+/*
+ * Copyright (c) 2001, 2002 Leon Woestenberg 
+ * Copyright (c) 2001, 2002 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Leon Woestenberg 
+ *
+ */
+#ifndef __LWIP_SNMP_H__
+#define __LWIP_SNMP_H__
+
+#include "lwip/opt.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "lwip/ip_addr.h"
+
+struct udp_pcb;
+struct netif;
+
+/**
+ * @see RFC1213, "MIB-II, 6. Definitions"
+ */
+enum snmp_ifType {
+  snmp_ifType_other=1,                /* none of the following */
+  snmp_ifType_regular1822,
+  snmp_ifType_hdh1822,
+  snmp_ifType_ddn_x25,
+  snmp_ifType_rfc877_x25,
+  snmp_ifType_ethernet_csmacd,
+  snmp_ifType_iso88023_csmacd,
+  snmp_ifType_iso88024_tokenBus,
+  snmp_ifType_iso88025_tokenRing,
+  snmp_ifType_iso88026_man,
+  snmp_ifType_starLan,
+  snmp_ifType_proteon_10Mbit,
+  snmp_ifType_proteon_80Mbit,
+  snmp_ifType_hyperchannel,
+  snmp_ifType_fddi,
+  snmp_ifType_lapb,
+  snmp_ifType_sdlc,
+  snmp_ifType_ds1,                    /* T-1 */
+  snmp_ifType_e1,                     /* european equiv. of T-1 */
+  snmp_ifType_basicISDN,
+  snmp_ifType_primaryISDN,            /* proprietary serial */
+  snmp_ifType_propPointToPointSerial,
+  snmp_ifType_ppp,
+  snmp_ifType_softwareLoopback,
+  snmp_ifType_eon,                    /* CLNP over IP [11] */
+  snmp_ifType_ethernet_3Mbit,
+  snmp_ifType_nsip,                   /* XNS over IP */
+  snmp_ifType_slip,                   /* generic SLIP */
+  snmp_ifType_ultra,                  /* ULTRA technologies */
+  snmp_ifType_ds3,                    /* T-3 */
+  snmp_ifType_sip,                    /* SMDS */
+  snmp_ifType_frame_relay
+};
+
+#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
+
+/** SNMP "sysuptime" Interval */
+#define SNMP_SYSUPTIME_INTERVAL 10
+
+/** fixed maximum length for object identifier type */
+#define LWIP_SNMP_OBJ_ID_LEN 32
+
+/** internal object identifier representation */
+struct snmp_obj_id
+{
+  u8_t len;
+  s32_t id[LWIP_SNMP_OBJ_ID_LEN];
+};
+
+/* system */
+void snmp_set_sysdesr(u8_t* str, u8_t* len);
+void snmp_set_sysobjid(struct snmp_obj_id *oid);
+void snmp_get_sysobjid_ptr(struct snmp_obj_id **oid);
+void snmp_inc_sysuptime(void);
+void snmp_add_sysuptime(u32_t value);
+void snmp_get_sysuptime(u32_t *value);
+void snmp_set_syscontact(u8_t *ocstr, u8_t *ocstrlen);
+void snmp_set_sysname(u8_t *ocstr, u8_t *ocstrlen);
+void snmp_set_syslocation(u8_t *ocstr, u8_t *ocstrlen);
+
+/* network interface */
+void snmp_add_ifinoctets(struct netif *ni, u32_t value); 
+void snmp_inc_ifinucastpkts(struct netif *ni);
+void snmp_inc_ifinnucastpkts(struct netif *ni);
+void snmp_inc_ifindiscards(struct netif *ni);
+void snmp_add_ifoutoctets(struct netif *ni, u32_t value);
+void snmp_inc_ifoutucastpkts(struct netif *ni);
+void snmp_inc_ifoutnucastpkts(struct netif *ni);
+void snmp_inc_ifoutdiscards(struct netif *ni);
+void snmp_inc_iflist(void);
+void snmp_dec_iflist(void);
+
+/* ARP (for atTable and ipNetToMediaTable) */
+void snmp_insert_arpidx_tree(struct netif *ni, ip_addr_t *ip);
+void snmp_delete_arpidx_tree(struct netif *ni, ip_addr_t *ip);
+
+/* IP */
+void snmp_inc_ipinreceives(void);
+void snmp_inc_ipinhdrerrors(void);
+void snmp_inc_ipinaddrerrors(void);
+void snmp_inc_ipforwdatagrams(void);
+void snmp_inc_ipinunknownprotos(void);
+void snmp_inc_ipindiscards(void);
+void snmp_inc_ipindelivers(void);
+void snmp_inc_ipoutrequests(void);
+void snmp_inc_ipoutdiscards(void);
+void snmp_inc_ipoutnoroutes(void);
+void snmp_inc_ipreasmreqds(void);
+void snmp_inc_ipreasmoks(void);
+void snmp_inc_ipreasmfails(void);
+void snmp_inc_ipfragoks(void);
+void snmp_inc_ipfragfails(void);
+void snmp_inc_ipfragcreates(void);
+void snmp_inc_iproutingdiscards(void);
+void snmp_insert_ipaddridx_tree(struct netif *ni);
+void snmp_delete_ipaddridx_tree(struct netif *ni);
+void snmp_insert_iprteidx_tree(u8_t dflt, struct netif *ni);
+void snmp_delete_iprteidx_tree(u8_t dflt, struct netif *ni);
+
+/* ICMP */
+void snmp_inc_icmpinmsgs(void);
+void snmp_inc_icmpinerrors(void);
+void snmp_inc_icmpindestunreachs(void);
+void snmp_inc_icmpintimeexcds(void);
+void snmp_inc_icmpinparmprobs(void);
+void snmp_inc_icmpinsrcquenchs(void);
+void snmp_inc_icmpinredirects(void);
+void snmp_inc_icmpinechos(void);
+void snmp_inc_icmpinechoreps(void);
+void snmp_inc_icmpintimestamps(void);
+void snmp_inc_icmpintimestampreps(void);
+void snmp_inc_icmpinaddrmasks(void);
+void snmp_inc_icmpinaddrmaskreps(void);
+void snmp_inc_icmpoutmsgs(void);
+void snmp_inc_icmpouterrors(void);
+void snmp_inc_icmpoutdestunreachs(void);
+void snmp_inc_icmpouttimeexcds(void);
+void snmp_inc_icmpoutparmprobs(void);
+void snmp_inc_icmpoutsrcquenchs(void);
+void snmp_inc_icmpoutredirects(void); 
+void snmp_inc_icmpoutechos(void);
+void snmp_inc_icmpoutechoreps(void);
+void snmp_inc_icmpouttimestamps(void);
+void snmp_inc_icmpouttimestampreps(void);
+void snmp_inc_icmpoutaddrmasks(void);
+void snmp_inc_icmpoutaddrmaskreps(void);
+
+/* TCP */
+void snmp_inc_tcpactiveopens(void);
+void snmp_inc_tcppassiveopens(void);
+void snmp_inc_tcpattemptfails(void);
+void snmp_inc_tcpestabresets(void);
+void snmp_inc_tcpinsegs(void);
+void snmp_inc_tcpoutsegs(void);
+void snmp_inc_tcpretranssegs(void);
+void snmp_inc_tcpinerrs(void);
+void snmp_inc_tcpoutrsts(void);
+
+/* UDP */
+void snmp_inc_udpindatagrams(void);
+void snmp_inc_udpnoports(void);
+void snmp_inc_udpinerrors(void);
+void snmp_inc_udpoutdatagrams(void);
+void snmp_insert_udpidx_tree(struct udp_pcb *pcb);
+void snmp_delete_udpidx_tree(struct udp_pcb *pcb);
+
+/* SNMP */
+void snmp_inc_snmpinpkts(void);
+void snmp_inc_snmpoutpkts(void);
+void snmp_inc_snmpinbadversions(void);
+void snmp_inc_snmpinbadcommunitynames(void);
+void snmp_inc_snmpinbadcommunityuses(void);
+void snmp_inc_snmpinasnparseerrs(void);
+void snmp_inc_snmpintoobigs(void);
+void snmp_inc_snmpinnosuchnames(void);
+void snmp_inc_snmpinbadvalues(void);
+void snmp_inc_snmpinreadonlys(void);
+void snmp_inc_snmpingenerrs(void);
+void snmp_add_snmpintotalreqvars(u8_t value);
+void snmp_add_snmpintotalsetvars(u8_t value);
+void snmp_inc_snmpingetrequests(void);
+void snmp_inc_snmpingetnexts(void);
+void snmp_inc_snmpinsetrequests(void);
+void snmp_inc_snmpingetresponses(void);
+void snmp_inc_snmpintraps(void);
+void snmp_inc_snmpouttoobigs(void);
+void snmp_inc_snmpoutnosuchnames(void);
+void snmp_inc_snmpoutbadvalues(void);
+void snmp_inc_snmpoutgenerrs(void);
+void snmp_inc_snmpoutgetrequests(void);
+void snmp_inc_snmpoutgetnexts(void);
+void snmp_inc_snmpoutsetrequests(void);
+void snmp_inc_snmpoutgetresponses(void);
+void snmp_inc_snmpouttraps(void);
+void snmp_get_snmpgrpid_ptr(struct snmp_obj_id **oid);
+void snmp_set_snmpenableauthentraps(u8_t *value);
+void snmp_get_snmpenableauthentraps(u8_t *value);
+
+/* LWIP_SNMP support not available */
+/* define everything to be empty */
+#else
+
+/* system */
+#define snmp_set_sysdesr(str, len)
+#define snmp_set_sysobjid(oid);
+#define snmp_get_sysobjid_ptr(oid)
+#define snmp_inc_sysuptime()
+#define snmp_add_sysuptime(value)
+#define snmp_get_sysuptime(value)
+#define snmp_set_syscontact(ocstr, ocstrlen);
+#define snmp_set_sysname(ocstr, ocstrlen);
+#define snmp_set_syslocation(ocstr, ocstrlen);
+
+/* network interface */
+#define snmp_add_ifinoctets(ni,value) 
+#define snmp_inc_ifinucastpkts(ni)
+#define snmp_inc_ifinnucastpkts(ni)
+#define snmp_inc_ifindiscards(ni)
+#define snmp_add_ifoutoctets(ni,value)
+#define snmp_inc_ifoutucastpkts(ni)
+#define snmp_inc_ifoutnucastpkts(ni)
+#define snmp_inc_ifoutdiscards(ni)
+#define snmp_inc_iflist()
+#define snmp_dec_iflist()
+
+/* ARP */
+#define snmp_insert_arpidx_tree(ni,ip)
+#define snmp_delete_arpidx_tree(ni,ip)
+
+/* IP */
+#define snmp_inc_ipinreceives()
+#define snmp_inc_ipinhdrerrors()
+#define snmp_inc_ipinaddrerrors()
+#define snmp_inc_ipforwdatagrams()
+#define snmp_inc_ipinunknownprotos()
+#define snmp_inc_ipindiscards()
+#define snmp_inc_ipindelivers()
+#define snmp_inc_ipoutrequests()
+#define snmp_inc_ipoutdiscards()
+#define snmp_inc_ipoutnoroutes()
+#define snmp_inc_ipreasmreqds()
+#define snmp_inc_ipreasmoks()
+#define snmp_inc_ipreasmfails()
+#define snmp_inc_ipfragoks()
+#define snmp_inc_ipfragfails()
+#define snmp_inc_ipfragcreates()
+#define snmp_inc_iproutingdiscards()
+#define snmp_insert_ipaddridx_tree(ni)
+#define snmp_delete_ipaddridx_tree(ni)
+#define snmp_insert_iprteidx_tree(dflt, ni)
+#define snmp_delete_iprteidx_tree(dflt, ni)
+
+/* ICMP */
+#define snmp_inc_icmpinmsgs()
+#define snmp_inc_icmpinerrors() 
+#define snmp_inc_icmpindestunreachs() 
+#define snmp_inc_icmpintimeexcds()
+#define snmp_inc_icmpinparmprobs() 
+#define snmp_inc_icmpinsrcquenchs() 
+#define snmp_inc_icmpinredirects() 
+#define snmp_inc_icmpinechos() 
+#define snmp_inc_icmpinechoreps()
+#define snmp_inc_icmpintimestamps() 
+#define snmp_inc_icmpintimestampreps()
+#define snmp_inc_icmpinaddrmasks()
+#define snmp_inc_icmpinaddrmaskreps()
+#define snmp_inc_icmpoutmsgs()
+#define snmp_inc_icmpouterrors()
+#define snmp_inc_icmpoutdestunreachs() 
+#define snmp_inc_icmpouttimeexcds() 
+#define snmp_inc_icmpoutparmprobs()
+#define snmp_inc_icmpoutsrcquenchs()
+#define snmp_inc_icmpoutredirects() 
+#define snmp_inc_icmpoutechos() 
+#define snmp_inc_icmpoutechoreps()
+#define snmp_inc_icmpouttimestamps()
+#define snmp_inc_icmpouttimestampreps()
+#define snmp_inc_icmpoutaddrmasks()
+#define snmp_inc_icmpoutaddrmaskreps()
+/* TCP */
+#define snmp_inc_tcpactiveopens()
+#define snmp_inc_tcppassiveopens()
+#define snmp_inc_tcpattemptfails()
+#define snmp_inc_tcpestabresets()
+#define snmp_inc_tcpinsegs()
+#define snmp_inc_tcpoutsegs()
+#define snmp_inc_tcpretranssegs()
+#define snmp_inc_tcpinerrs()
+#define snmp_inc_tcpoutrsts()
+
+/* UDP */
+#define snmp_inc_udpindatagrams()
+#define snmp_inc_udpnoports()
+#define snmp_inc_udpinerrors()
+#define snmp_inc_udpoutdatagrams()
+#define snmp_insert_udpidx_tree(pcb)
+#define snmp_delete_udpidx_tree(pcb)
+
+/* SNMP */
+#define snmp_inc_snmpinpkts()
+#define snmp_inc_snmpoutpkts()
+#define snmp_inc_snmpinbadversions()
+#define snmp_inc_snmpinbadcommunitynames()
+#define snmp_inc_snmpinbadcommunityuses()
+#define snmp_inc_snmpinasnparseerrs()
+#define snmp_inc_snmpintoobigs()
+#define snmp_inc_snmpinnosuchnames()
+#define snmp_inc_snmpinbadvalues()
+#define snmp_inc_snmpinreadonlys()
+#define snmp_inc_snmpingenerrs()
+#define snmp_add_snmpintotalreqvars(value)
+#define snmp_add_snmpintotalsetvars(value)
+#define snmp_inc_snmpingetrequests()
+#define snmp_inc_snmpingetnexts()
+#define snmp_inc_snmpinsetrequests()
+#define snmp_inc_snmpingetresponses()
+#define snmp_inc_snmpintraps()
+#define snmp_inc_snmpouttoobigs()
+#define snmp_inc_snmpoutnosuchnames()
+#define snmp_inc_snmpoutbadvalues()
+#define snmp_inc_snmpoutgenerrs()
+#define snmp_inc_snmpoutgetrequests()
+#define snmp_inc_snmpoutgetnexts()
+#define snmp_inc_snmpoutsetrequests()
+#define snmp_inc_snmpoutgetresponses()
+#define snmp_inc_snmpouttraps()
+#define snmp_get_snmpgrpid_ptr(oid)
+#define snmp_set_snmpenableauthentraps(value)
+#define snmp_get_snmpenableauthentraps(value)
+
+#endif /* LWIP_SNMP */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_SNMP_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/snmp_asn1.h b/libraries/net/lwip/lwip/include/lwip/snmp_asn1.h
new file mode 100644
index 0000000000..605fa3f16c
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/snmp_asn1.h
@@ -0,0 +1,101 @@
+/**
+ * @file
+ * Abstract Syntax Notation One (ISO 8824, 8825) codec.
+ */
+ 
+/*
+ * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Christiaan Simons 
+ */
+
+#ifndef __LWIP_SNMP_ASN1_H__
+#define __LWIP_SNMP_ASN1_H__
+
+#include "lwip/opt.h"
+#include "lwip/err.h"
+#include "lwip/pbuf.h"
+#include "lwip/snmp.h"
+
+#if LWIP_SNMP
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define SNMP_ASN1_UNIV   (0)    /* (!0x80 | !0x40) */
+#define SNMP_ASN1_APPLIC (0x40) /* (!0x80 |  0x40) */
+#define SNMP_ASN1_CONTXT (0x80) /* ( 0x80 | !0x40) */
+
+#define SNMP_ASN1_CONSTR (0x20) /* ( 0x20) */
+#define SNMP_ASN1_PRIMIT (0)    /* (!0x20) */
+
+/* universal tags */
+#define SNMP_ASN1_INTEG  2
+#define SNMP_ASN1_OC_STR 4
+#define SNMP_ASN1_NUL    5
+#define SNMP_ASN1_OBJ_ID 6
+#define SNMP_ASN1_SEQ    16
+
+/* application specific (SNMP) tags */
+#define SNMP_ASN1_IPADDR 0    /* octet string size(4) */
+#define SNMP_ASN1_COUNTER 1   /* u32_t */
+#define SNMP_ASN1_GAUGE 2     /* u32_t */
+#define SNMP_ASN1_TIMETICKS 3 /* u32_t */
+#define SNMP_ASN1_OPAQUE 4    /* octet string */
+
+/* context specific (SNMP) tags */
+#define SNMP_ASN1_PDU_GET_REQ 0
+#define SNMP_ASN1_PDU_GET_NEXT_REQ 1
+#define SNMP_ASN1_PDU_GET_RESP 2
+#define SNMP_ASN1_PDU_SET_REQ 3
+#define SNMP_ASN1_PDU_TRAP 4
+
+err_t snmp_asn1_dec_type(struct pbuf *p, u16_t ofs, u8_t *type);
+err_t snmp_asn1_dec_length(struct pbuf *p, u16_t ofs, u8_t *octets_used, u16_t *length);
+err_t snmp_asn1_dec_u32t(struct pbuf *p, u16_t ofs, u16_t len, u32_t *value);
+err_t snmp_asn1_dec_s32t(struct pbuf *p, u16_t ofs, u16_t len, s32_t *value);
+err_t snmp_asn1_dec_oid(struct pbuf *p, u16_t ofs, u16_t len, struct snmp_obj_id *oid);
+err_t snmp_asn1_dec_raw(struct pbuf *p, u16_t ofs, u16_t len, u16_t raw_len, u8_t *raw);
+
+void snmp_asn1_enc_length_cnt(u16_t length, u8_t *octets_needed);
+void snmp_asn1_enc_u32t_cnt(u32_t value, u16_t *octets_needed);
+void snmp_asn1_enc_s32t_cnt(s32_t value, u16_t *octets_needed);
+void snmp_asn1_enc_oid_cnt(u8_t ident_len, s32_t *ident, u16_t *octets_needed);
+err_t snmp_asn1_enc_type(struct pbuf *p, u16_t ofs, u8_t type);
+err_t snmp_asn1_enc_length(struct pbuf *p, u16_t ofs, u16_t length);
+err_t snmp_asn1_enc_u32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, u32_t value);
+err_t snmp_asn1_enc_s32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, s32_t value);
+err_t snmp_asn1_enc_oid(struct pbuf *p, u16_t ofs, u8_t ident_len, s32_t *ident);
+err_t snmp_asn1_enc_raw(struct pbuf *p, u16_t ofs, u16_t raw_len, u8_t *raw);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_SNMP */
+
+#endif /* __LWIP_SNMP_ASN1_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/snmp_msg.h b/libraries/net/lwip/lwip/include/lwip/snmp_msg.h
new file mode 100644
index 0000000000..1183e3a95b
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/snmp_msg.h
@@ -0,0 +1,315 @@
+/**
+ * @file
+ * SNMP Agent message handling structures.
+ */
+
+/*
+ * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Christiaan Simons 
+ */
+
+#ifndef __LWIP_SNMP_MSG_H__
+#define __LWIP_SNMP_MSG_H__
+
+#include "lwip/opt.h"
+#include "lwip/snmp.h"
+#include "lwip/snmp_structs.h"
+#include "lwip/ip_addr.h"
+#include "lwip/err.h"
+
+#if LWIP_SNMP
+
+#if SNMP_PRIVATE_MIB
+/* When using a private MIB, you have to create a file 'private_mib.h' that contains
+ * a 'struct mib_array_node mib_private' which contains your MIB. */
+#include "private_mib.h"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* The listen port of the SNMP agent. Clients have to make their requests to
+   this port. Most standard clients won't work if you change this! */
+#ifndef SNMP_IN_PORT
+#define SNMP_IN_PORT 161
+#endif
+/* The remote port the SNMP agent sends traps to. Most standard trap sinks won't
+   work if you change this! */
+#ifndef SNMP_TRAP_PORT
+#define SNMP_TRAP_PORT 162
+#endif
+
+#define SNMP_ES_NOERROR 0
+#define SNMP_ES_TOOBIG 1
+#define SNMP_ES_NOSUCHNAME 2
+#define SNMP_ES_BADVALUE 3
+#define SNMP_ES_READONLY 4
+#define SNMP_ES_GENERROR 5
+
+#define SNMP_GENTRAP_COLDSTART 0
+#define SNMP_GENTRAP_WARMSTART 1
+#define SNMP_GENTRAP_AUTHFAIL 4
+#define SNMP_GENTRAP_ENTERPRISESPC 6
+
+struct snmp_varbind
+{
+  /* next pointer, NULL for last in list */
+  struct snmp_varbind *next;
+  /* previous pointer, NULL for first in list */
+  struct snmp_varbind *prev;
+
+  /* object identifier length (in s32_t) */
+  u8_t ident_len;
+  /* object identifier array */
+  s32_t *ident;
+
+  /* object value ASN1 type */
+  u8_t value_type;
+  /* object value length (in u8_t) */
+  u8_t value_len;
+  /* object value */
+  void *value;
+
+  /* encoding varbind seq length length */
+  u8_t seqlenlen;
+  /* encoding object identifier length length */
+  u8_t olenlen;
+  /* encoding object value length length */
+  u8_t vlenlen;
+  /* encoding varbind seq length */
+  u16_t seqlen;
+  /* encoding object identifier length */
+  u16_t olen;
+  /* encoding object value length */
+  u16_t vlen;
+};
+
+struct snmp_varbind_root
+{
+  struct snmp_varbind *head;
+  struct snmp_varbind *tail;
+  /* number of variable bindings in list */
+  u8_t count;
+  /* encoding varbind-list seq length length */
+  u8_t seqlenlen;
+  /* encoding varbind-list seq length */
+  u16_t seqlen;
+};
+
+/** output response message header length fields */
+struct snmp_resp_header_lengths
+{
+  /* encoding error-index length length */
+  u8_t erridxlenlen;
+  /* encoding error-status length length */
+  u8_t errstatlenlen;
+  /* encoding request id length length */
+  u8_t ridlenlen;
+  /* encoding pdu length length */
+  u8_t pdulenlen;
+  /* encoding community length length */
+  u8_t comlenlen;
+  /* encoding version length length */
+  u8_t verlenlen;
+  /* encoding sequence length length */
+  u8_t seqlenlen;
+
+  /* encoding error-index length */
+  u16_t erridxlen;
+  /* encoding error-status length */
+  u16_t errstatlen;
+  /* encoding request id length */
+  u16_t ridlen;
+  /* encoding pdu length */
+  u16_t pdulen;
+  /* encoding community length */
+  u16_t comlen;
+  /* encoding version length */
+  u16_t verlen;
+  /* encoding sequence length */
+  u16_t seqlen;
+};
+
+/** output response message header length fields */
+struct snmp_trap_header_lengths
+{
+  /* encoding timestamp length length */
+  u8_t tslenlen;
+  /* encoding specific-trap length length */
+  u8_t strplenlen;
+  /* encoding generic-trap length length */
+  u8_t gtrplenlen;
+  /* encoding agent-addr length length */
+  u8_t aaddrlenlen;
+  /* encoding enterprise-id length length */
+  u8_t eidlenlen;
+  /* encoding pdu length length */
+  u8_t pdulenlen;
+  /* encoding community length length */
+  u8_t comlenlen;
+  /* encoding version length length */
+  u8_t verlenlen;
+  /* encoding sequence length length */
+  u8_t seqlenlen;
+
+  /* encoding timestamp length */
+  u16_t tslen;
+  /* encoding specific-trap length */
+  u16_t strplen;
+  /* encoding generic-trap length */
+  u16_t gtrplen;
+  /* encoding agent-addr length */
+  u16_t aaddrlen;
+  /* encoding enterprise-id length */
+  u16_t eidlen;
+  /* encoding pdu length */
+  u16_t pdulen;
+  /* encoding community length */
+  u16_t comlen;
+  /* encoding version length */
+  u16_t verlen;
+  /* encoding sequence length */
+  u16_t seqlen;
+};
+
+/* Accepting new SNMP messages. */
+#define SNMP_MSG_EMPTY                 0
+/* Search for matching object for variable binding. */
+#define SNMP_MSG_SEARCH_OBJ            1
+/* Perform SNMP operation on in-memory object.
+   Pass-through states, for symmetry only. */
+#define SNMP_MSG_INTERNAL_GET_OBJDEF   2
+#define SNMP_MSG_INTERNAL_GET_VALUE    3
+#define SNMP_MSG_INTERNAL_SET_TEST     4
+#define SNMP_MSG_INTERNAL_GET_OBJDEF_S 5
+#define SNMP_MSG_INTERNAL_SET_VALUE    6
+/* Perform SNMP operation on object located externally.
+   In theory this could be used for building a proxy agent.
+   Practical use is for an enterprise spc. app. gateway. */
+#define SNMP_MSG_EXTERNAL_GET_OBJDEF   7
+#define SNMP_MSG_EXTERNAL_GET_VALUE    8
+#define SNMP_MSG_EXTERNAL_SET_TEST     9
+#define SNMP_MSG_EXTERNAL_GET_OBJDEF_S 10
+#define SNMP_MSG_EXTERNAL_SET_VALUE    11
+
+#define SNMP_COMMUNITY_STR_LEN 64
+struct snmp_msg_pstat
+{
+  /* lwIP local port (161) binding */
+  struct udp_pcb *pcb;
+  /* source IP address */
+  ip_addr_t sip;
+  /* source UDP port */
+  u16_t sp;
+  /* request type */
+  u8_t rt;
+  /* request ID */
+  s32_t rid;
+  /* error status */
+  s32_t error_status;
+  /* error index */
+  s32_t error_index;
+  /* community name (zero terminated) */
+  u8_t community[SNMP_COMMUNITY_STR_LEN + 1];
+  /* community string length (exclusive zero term) */
+  u8_t com_strlen;
+  /* one out of MSG_EMPTY, MSG_DEMUX, MSG_INTERNAL, MSG_EXTERNAL_x */
+  u8_t state;
+  /* saved arguments for MSG_EXTERNAL_x */
+  struct mib_external_node *ext_mib_node;
+  struct snmp_name_ptr ext_name_ptr;
+  struct obj_def ext_object_def;
+  struct snmp_obj_id ext_oid;
+  /* index into input variable binding list */
+  u8_t vb_idx;
+  /* ptr into input variable binding list */
+  struct snmp_varbind *vb_ptr;
+  /* list of variable bindings from input */
+  struct snmp_varbind_root invb;
+  /* list of variable bindings to output */
+  struct snmp_varbind_root outvb;
+  /* output response lengths used in ASN encoding */
+  struct snmp_resp_header_lengths rhl;
+};
+
+struct snmp_msg_trap
+{
+  /* lwIP local port (161) binding */
+  struct udp_pcb *pcb;
+  /* destination IP address in network order */
+  ip_addr_t dip;
+
+  /* source enterprise ID (sysObjectID) */
+  struct snmp_obj_id *enterprise;
+  /* source IP address, raw network order format */
+  u8_t sip_raw[4];
+  /* generic trap code */
+  u32_t gen_trap;
+  /* specific trap code */
+  u32_t spc_trap;
+  /* timestamp */
+  u32_t ts;
+  /* list of variable bindings to output */
+  struct snmp_varbind_root outvb;
+  /* output trap lengths used in ASN encoding */
+  struct snmp_trap_header_lengths thl;
+};
+
+/** Agent Version constant, 0 = v1 oddity */
+extern const s32_t snmp_version;
+/** Agent default "public" community string */
+extern const char snmp_publiccommunity[7];
+
+extern struct snmp_msg_trap trap_msg;
+
+/** Agent setup, start listening to port 161. */
+void snmp_init(void);
+void snmp_trap_dst_enable(u8_t dst_idx, u8_t enable);
+void snmp_trap_dst_ip_set(u8_t dst_idx, ip_addr_t *dst);
+
+/** Varbind-list functions. */
+struct snmp_varbind* snmp_varbind_alloc(struct snmp_obj_id *oid, u8_t type, u8_t len);
+void snmp_varbind_free(struct snmp_varbind *vb);
+void snmp_varbind_list_free(struct snmp_varbind_root *root);
+void snmp_varbind_tail_add(struct snmp_varbind_root *root, struct snmp_varbind *vb);
+struct snmp_varbind* snmp_varbind_tail_remove(struct snmp_varbind_root *root);
+
+/** Handle an internal (recv) or external (private response) event. */
+void snmp_msg_event(u8_t request_id);
+err_t snmp_send_response(struct snmp_msg_pstat *m_stat);
+err_t snmp_send_trap(s8_t generic_trap, struct snmp_obj_id *eoid, s32_t specific_trap);
+void snmp_coldstart_trap(void);
+void snmp_authfail_trap(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_SNMP */
+
+#endif /* __LWIP_SNMP_MSG_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/snmp_structs.h b/libraries/net/lwip/lwip/include/lwip/snmp_structs.h
new file mode 100644
index 0000000000..0d3b46a928
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/snmp_structs.h
@@ -0,0 +1,268 @@
+/**
+ * @file
+ * Generic MIB tree structures.
+ *
+ * @todo namespace prefixes
+ */
+
+/*
+ * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Christiaan Simons 
+ */
+
+#ifndef __LWIP_SNMP_STRUCTS_H__
+#define __LWIP_SNMP_STRUCTS_H__
+
+#include "lwip/opt.h"
+
+#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/snmp.h"
+
+#if SNMP_PRIVATE_MIB
+/* When using a private MIB, you have to create a file 'private_mib.h' that contains
+ * a 'struct mib_array_node mib_private' which contains your MIB. */
+#include "private_mib.h"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* MIB object instance */
+#define MIB_OBJECT_NONE 0 
+#define MIB_OBJECT_SCALAR 1
+#define MIB_OBJECT_TAB 2
+
+/* MIB access types */
+#define MIB_ACCESS_READ   1
+#define MIB_ACCESS_WRITE  2
+
+/* MIB object access */
+#define MIB_OBJECT_READ_ONLY      MIB_ACCESS_READ
+#define MIB_OBJECT_READ_WRITE     (MIB_ACCESS_READ | MIB_ACCESS_WRITE)
+#define MIB_OBJECT_WRITE_ONLY     MIB_ACCESS_WRITE
+#define MIB_OBJECT_NOT_ACCESSIBLE 0
+
+/** object definition returned by (get_object_def)() */
+struct obj_def
+{
+  /* MIB_OBJECT_NONE (0), MIB_OBJECT_SCALAR (1), MIB_OBJECT_TAB (2) */
+  u8_t instance;
+  /* 0 read-only, 1 read-write, 2 write-only, 3 not-accessible */
+  u8_t access;
+  /* ASN type for this object */
+  u8_t asn_type;
+  /* value length (host length) */
+  u16_t v_len;
+  /* length of instance part of supplied object identifier */
+  u8_t  id_inst_len;
+  /* instance part of supplied object identifier */
+  s32_t *id_inst_ptr;
+};
+
+struct snmp_name_ptr
+{
+  u8_t ident_len;
+  s32_t *ident;
+};
+
+/** MIB const scalar (.0) node */
+#define MIB_NODE_SC 0x01
+/** MIB const array node */
+#define MIB_NODE_AR 0x02
+/** MIB array node (mem_malloced from RAM) */
+#define MIB_NODE_RA 0x03
+/** MIB list root node (mem_malloced from RAM) */
+#define MIB_NODE_LR 0x04
+/** MIB node for external objects */
+#define MIB_NODE_EX 0x05
+
+/** node "base class" layout, the mandatory fields for a node  */
+struct mib_node
+{
+  /** returns struct obj_def for the given object identifier */
+  void (*get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od);
+  /** returns object value for the given object identifier,
+     @note the caller must allocate at least len bytes for the value */
+  void (*get_value)(struct obj_def *od, u16_t len, void *value);
+  /** tests length and/or range BEFORE setting */
+  u8_t (*set_test)(struct obj_def *od, u16_t len, void *value);
+  /** sets object value, only to be called when set_test()  */
+  void (*set_value)(struct obj_def *od, u16_t len, void *value);  
+  /** One out of MIB_NODE_AR, MIB_NODE_LR or MIB_NODE_EX */
+  u8_t node_type;
+  /* array or max list length */
+  u16_t maxlength;
+};
+
+/** derived node for scalars .0 index */
+typedef struct mib_node mib_scalar_node;
+
+/** derived node, points to a fixed size const array
+    of sub-identifiers plus a 'child' pointer */
+struct mib_array_node
+{
+  /* inherited "base class" members */
+  void (*get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od);
+  void (*get_value)(struct obj_def *od, u16_t len, void *value);
+  u8_t (*set_test)(struct obj_def *od, u16_t len, void *value);
+  void (*set_value)(struct obj_def *od, u16_t len, void *value);
+
+  u8_t node_type;
+  u16_t maxlength;
+
+  /* additional struct members */
+  const s32_t *objid;
+  struct mib_node* const *nptr;
+};
+
+/** derived node, points to a fixed size mem_malloced array
+    of sub-identifiers plus a 'child' pointer */
+struct mib_ram_array_node
+{
+  /* inherited "base class" members */
+  void (*get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od);
+  void (*get_value)(struct obj_def *od, u16_t len, void *value);
+  u8_t (*set_test)(struct obj_def *od, u16_t len, void *value);
+  void (*set_value)(struct obj_def *od, u16_t len, void *value);
+
+  u8_t node_type;
+  u16_t maxlength;
+
+  /* aditional struct members */
+  s32_t *objid;
+  struct mib_node **nptr;
+};
+
+struct mib_list_node
+{
+  struct mib_list_node *prev;  
+  struct mib_list_node *next;
+  s32_t objid;
+  struct mib_node *nptr;
+};
+
+/** derived node, points to a doubly linked list
+    of sub-identifiers plus a 'child' pointer */
+struct mib_list_rootnode
+{
+  /* inherited "base class" members */
+  void (*get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od);
+  void (*get_value)(struct obj_def *od, u16_t len, void *value);
+  u8_t (*set_test)(struct obj_def *od, u16_t len, void *value);
+  void (*set_value)(struct obj_def *od, u16_t len, void *value);
+
+  u8_t node_type;
+  u16_t maxlength;
+
+  /* additional struct members */
+  struct mib_list_node *head;
+  struct mib_list_node *tail;
+  /* counts list nodes in list  */
+  u16_t count;
+};
+
+/** derived node, has access functions for mib object in external memory or device
+    using 'tree_level' and 'idx', with a range 0 .. (level_length() - 1) */
+struct mib_external_node
+{
+  /* inherited "base class" members */
+  void (*get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od);
+  void (*get_value)(struct obj_def *od, u16_t len, void *value);
+  u8_t (*set_test)(struct obj_def *od, u16_t len, void *value);
+  void (*set_value)(struct obj_def *od, u16_t len, void *value);
+
+  u8_t node_type;
+  u16_t maxlength;
+
+  /* additional struct members */
+  /** points to an external (in memory) record of some sort of addressing
+      information, passed to and interpreted by the funtions below */
+  void* addr_inf;
+  /** tree levels under this node */
+  u8_t tree_levels;
+  /** number of objects at this level */
+  u16_t (*level_length)(void* addr_inf, u8_t level);
+  /** compares object sub identifier with external id
+      return zero when equal, nonzero when unequal */
+  s32_t (*ident_cmp)(void* addr_inf, u8_t level, u16_t idx, s32_t sub_id);
+  void (*get_objid)(void* addr_inf, u8_t level, u16_t idx, s32_t *sub_id);
+
+  /** async Questions */
+  void (*get_object_def_q)(void* addr_inf, u8_t rid, u8_t ident_len, s32_t *ident);
+  void (*get_value_q)(u8_t rid, struct obj_def *od);
+  void (*set_test_q)(u8_t rid, struct obj_def *od);
+  void (*set_value_q)(u8_t rid, struct obj_def *od, u16_t len, void *value);
+  /** async Answers */
+  void (*get_object_def_a)(u8_t rid, u8_t ident_len, s32_t *ident, struct obj_def *od);
+  void (*get_value_a)(u8_t rid, struct obj_def *od, u16_t len, void *value);
+  u8_t (*set_test_a)(u8_t rid, struct obj_def *od, u16_t len, void *value);
+  void (*set_value_a)(u8_t rid, struct obj_def *od, u16_t len, void *value);
+  /** async Panic Close (agent returns error reply, 
+      e.g. used for external transaction cleanup) */
+  void (*get_object_def_pc)(u8_t rid, u8_t ident_len, s32_t *ident);
+  void (*get_value_pc)(u8_t rid, struct obj_def *od);
+  void (*set_test_pc)(u8_t rid, struct obj_def *od);
+  void (*set_value_pc)(u8_t rid, struct obj_def *od);
+};
+
+/** export MIB tree from mib2.c */
+extern const struct mib_array_node internet;
+
+/** dummy function pointers for non-leaf MIB nodes from mib2.c */
+void noleafs_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od);
+void noleafs_get_value(struct obj_def *od, u16_t len, void *value);
+u8_t noleafs_set_test(struct obj_def *od, u16_t len, void *value);
+void noleafs_set_value(struct obj_def *od, u16_t len, void *value);
+
+void snmp_oidtoip(s32_t *ident, ip_addr_t *ip);
+void snmp_iptooid(ip_addr_t *ip, s32_t *ident);
+void snmp_ifindextonetif(s32_t ifindex, struct netif **netif);
+void snmp_netiftoifindex(struct netif *netif, s32_t *ifidx);
+
+struct mib_list_node* snmp_mib_ln_alloc(s32_t id);
+void snmp_mib_ln_free(struct mib_list_node *ln);
+struct mib_list_rootnode* snmp_mib_lrn_alloc(void);
+void snmp_mib_lrn_free(struct mib_list_rootnode *lrn);
+
+s8_t snmp_mib_node_insert(struct mib_list_rootnode *rn, s32_t objid, struct mib_list_node **insn);
+s8_t snmp_mib_node_find(struct mib_list_rootnode *rn, s32_t objid, struct mib_list_node **fn);
+struct mib_list_rootnode *snmp_mib_node_delete(struct mib_list_rootnode *rn, struct mib_list_node *n);
+
+struct mib_node* snmp_search_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snmp_name_ptr *np);
+struct mib_node* snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snmp_obj_id *oidret);
+u8_t snmp_iso_prefix_tst(u8_t ident_len, s32_t *ident);
+u8_t snmp_iso_prefix_expand(u8_t ident_len, s32_t *ident, struct snmp_obj_id *oidret);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_SNMP */
+
+#endif /* __LWIP_SNMP_STRUCTS_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/sockets.h b/libraries/net/lwip/lwip/include/lwip/sockets.h
new file mode 100644
index 0000000000..3c8fed24e6
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/sockets.h
@@ -0,0 +1,376 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+
+
+#ifndef __LWIP_SOCKETS_H__
+#define __LWIP_SOCKETS_H__
+
+#include "lwip/opt.h"
+
+#if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
+
+#include  /* for size_t */
+
+#include "lwip/ip_addr.h"
+#include "lwip/inet.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* members are in network byte order */
+struct sockaddr_in {
+  u8_t sin_len;
+  u8_t sin_family;
+  u16_t sin_port;
+  struct in_addr sin_addr;
+  char sin_zero[8];
+};
+
+struct sockaddr {
+  u8_t sa_len;
+  u8_t sa_family;
+  char sa_data[14];
+};
+
+#ifndef socklen_t
+#  define socklen_t u32_t
+#endif
+
+/* Socket protocol types (TCP/UDP/RAW) */
+#define SOCK_STREAM     1
+#define SOCK_DGRAM      2
+#define SOCK_RAW        3
+
+/*
+ * Option flags per-socket. These must match the SOF_ flags in ip.h (checked in init.c)
+ */
+#define  SO_DEBUG       0x0001 /* Unimplemented: turn on debugging info recording */
+#define  SO_ACCEPTCONN  0x0002 /* socket has had listen() */
+#define  SO_REUSEADDR   0x0004 /* Allow local address reuse */
+#define  SO_KEEPALIVE   0x0008 /* keep connections alive */
+#define  SO_DONTROUTE   0x0010 /* Unimplemented: just use interface addresses */
+#define  SO_BROADCAST   0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
+#define  SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */
+#define  SO_LINGER      0x0080 /* linger on close if data present */
+#define  SO_OOBINLINE   0x0100 /* Unimplemented: leave received OOB data in line */
+#define  SO_REUSEPORT   0x0200 /* Unimplemented: allow local address & port reuse */
+
+#define SO_DONTLINGER   ((int)(~SO_LINGER))
+
+/*
+ * Additional options, not kept in so_options.
+ */
+#define SO_SNDBUF    0x1001    /* Unimplemented: send buffer size */
+#define SO_RCVBUF    0x1002    /* receive buffer size */
+#define SO_SNDLOWAT  0x1003    /* Unimplemented: send low-water mark */
+#define SO_RCVLOWAT  0x1004    /* Unimplemented: receive low-water mark */
+#define SO_SNDTIMEO  0x1005    /* Unimplemented: send timeout */
+#define SO_RCVTIMEO  0x1006    /* receive timeout */
+#define SO_ERROR     0x1007    /* get error status and clear */
+#define SO_TYPE      0x1008    /* get socket type */
+#define SO_CONTIMEO  0x1009    /* Unimplemented: connect timeout */
+#define SO_NO_CHECK  0x100a    /* don't create UDP checksum */
+
+
+/*
+ * Structure used for manipulating linger option.
+ */
+struct linger {
+       int l_onoff;                /* option on/off */
+       int l_linger;               /* linger time */
+};
+
+/*
+ * Level number for (get/set)sockopt() to apply to socket itself.
+ */
+#define  SOL_SOCKET  0xfff    /* options for socket level */
+
+
+#define AF_UNSPEC       0
+#define AF_INET         2
+#define PF_INET         AF_INET
+#define PF_UNSPEC       AF_UNSPEC
+
+#define IPPROTO_IP      0
+#define IPPROTO_TCP     6
+#define IPPROTO_UDP     17
+#define IPPROTO_UDPLITE 136
+
+/* Flags we can use with send and recv. */
+#define MSG_PEEK       0x01    /* Peeks at an incoming message */
+#define MSG_WAITALL    0x02    /* Unimplemented: Requests that the function block until the full amount of data requested can be returned */
+#define MSG_OOB        0x04    /* Unimplemented: Requests out-of-band data. The significance and semantics of out-of-band data are protocol-specific */
+#define MSG_DONTWAIT   0x08    /* Nonblocking i/o for this operation only */
+#define MSG_MORE       0x10    /* Sender will send more */
+
+
+/*
+ * Options for level IPPROTO_IP
+ */
+#define IP_TOS             1
+#define IP_TTL             2
+
+#if LWIP_TCP
+/*
+ * Options for level IPPROTO_TCP
+ */
+#define TCP_NODELAY    0x01    /* don't delay send to coalesce packets */
+#define TCP_KEEPALIVE  0x02    /* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */
+#define TCP_KEEPIDLE   0x03    /* set pcb->keep_idle  - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt */
+#define TCP_KEEPINTVL  0x04    /* set pcb->keep_intvl - Use seconds for get/setsockopt */
+#define TCP_KEEPCNT    0x05    /* set pcb->keep_cnt   - Use number of probes sent for get/setsockopt */
+#endif /* LWIP_TCP */
+
+#if LWIP_UDP && LWIP_UDPLITE
+/*
+ * Options for level IPPROTO_UDPLITE
+ */
+#define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */
+#define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */
+#endif /* LWIP_UDP && LWIP_UDPLITE*/
+
+
+#if LWIP_IGMP
+/*
+ * Options and types for UDP multicast traffic handling
+ */
+#define IP_ADD_MEMBERSHIP  3
+#define IP_DROP_MEMBERSHIP 4
+#define IP_MULTICAST_TTL   5
+#define IP_MULTICAST_IF    6
+#define IP_MULTICAST_LOOP  7
+
+typedef struct ip_mreq {
+    struct in_addr imr_multiaddr; /* IP multicast address of group */
+    struct in_addr imr_interface; /* local IP address of interface */
+} ip_mreq;
+#endif /* LWIP_IGMP */
+
+/*
+ * The Type of Service provides an indication of the abstract
+ * parameters of the quality of service desired.  These parameters are
+ * to be used to guide the selection of the actual service parameters
+ * when transmitting a datagram through a particular network.  Several
+ * networks offer service precedence, which somehow treats high
+ * precedence traffic as more important than other traffic (generally
+ * by accepting only traffic above a certain precedence at time of high
+ * load).  The major choice is a three way tradeoff between low-delay,
+ * high-reliability, and high-throughput.
+ * The use of the Delay, Throughput, and Reliability indications may
+ * increase the cost (in some sense) of the service.  In many networks
+ * better performance for one of these parameters is coupled with worse
+ * performance on another.  Except for very unusual cases at most two
+ * of these three indications should be set.
+ */
+#define IPTOS_TOS_MASK          0x1E
+#define IPTOS_TOS(tos)          ((tos) & IPTOS_TOS_MASK)
+#define IPTOS_LOWDELAY          0x10
+#define IPTOS_THROUGHPUT        0x08
+#define IPTOS_RELIABILITY       0x04
+#define IPTOS_LOWCOST           0x02
+#define IPTOS_MINCOST           IPTOS_LOWCOST
+
+/*
+ * The Network Control precedence designation is intended to be used
+ * within a network only.  The actual use and control of that
+ * designation is up to each network. The Internetwork Control
+ * designation is intended for use by gateway control originators only.
+ * If the actual use of these precedence designations is of concern to
+ * a particular network, it is the responsibility of that network to
+ * control the access to, and use of, those precedence designations.
+ */
+#define IPTOS_PREC_MASK                 0xe0
+#define IPTOS_PREC(tos)                ((tos) & IPTOS_PREC_MASK)
+#define IPTOS_PREC_NETCONTROL           0xe0
+#define IPTOS_PREC_INTERNETCONTROL      0xc0
+#define IPTOS_PREC_CRITIC_ECP           0xa0
+#define IPTOS_PREC_FLASHOVERRIDE        0x80
+#define IPTOS_PREC_FLASH                0x60
+#define IPTOS_PREC_IMMEDIATE            0x40
+#define IPTOS_PREC_PRIORITY             0x20
+#define IPTOS_PREC_ROUTINE              0x00
+
+
+/*
+ * Commands for ioctlsocket(),  taken from the BSD file fcntl.h.
+ * lwip_ioctl only supports FIONREAD and FIONBIO, for now
+ *
+ * Ioctl's have the command encoded in the lower word,
+ * and the size of any in or out parameters in the upper
+ * word.  The high 2 bits of the upper word are used
+ * to encode the in/out status of the parameter; for now
+ * we restrict parameters to at most 128 bytes.
+ */
+#if !defined(FIONREAD) || !defined(FIONBIO)
+#define IOCPARM_MASK    0x7fU           /* parameters must be < 128 bytes */
+#define IOC_VOID        0x20000000UL    /* no parameters */
+#define IOC_OUT         0x40000000UL    /* copy out parameters */
+#define IOC_IN          0x80000000UL    /* copy in parameters */
+#define IOC_INOUT       (IOC_IN|IOC_OUT)
+                                        /* 0x20000000 distinguishes new &
+                                           old ioctl's */
+#define _IO(x,y)        (IOC_VOID|((x)<<8)|(y))
+
+#define _IOR(x,y,t)     (IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
+
+#define _IOW(x,y,t)     (IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
+#endif /* !defined(FIONREAD) || !defined(FIONBIO) */
+
+#ifndef FIONREAD
+#define FIONREAD    _IOR('f', 127, unsigned long) /* get # bytes to read */
+#endif
+#ifndef FIONBIO
+#define FIONBIO     _IOW('f', 126, unsigned long) /* set/clear non-blocking i/o */
+#endif
+
+/* Socket I/O Controls: unimplemented */
+#ifndef SIOCSHIWAT
+#define SIOCSHIWAT  _IOW('s',  0, unsigned long)  /* set high watermark */
+#define SIOCGHIWAT  _IOR('s',  1, unsigned long)  /* get high watermark */
+#define SIOCSLOWAT  _IOW('s',  2, unsigned long)  /* set low watermark */
+#define SIOCGLOWAT  _IOR('s',  3, unsigned long)  /* get low watermark */
+#define SIOCATMARK  _IOR('s',  7, unsigned long)  /* at oob mark? */
+#endif
+
+/* commands for fnctl */
+#ifndef F_GETFL
+#define F_GETFL 3
+#endif
+#ifndef F_SETFL
+#define F_SETFL 4
+#endif
+
+/* File status flags and file access modes for fnctl,
+   these are bits in an int. */
+#ifndef O_NONBLOCK
+#define O_NONBLOCK  1 /* nonblocking I/O */
+#endif
+#ifndef O_NDELAY
+#define O_NDELAY    1 /* same as O_NONBLOCK, for compatibility */
+#endif
+
+#ifndef SHUT_RD
+  #define SHUT_RD   0
+  #define SHUT_WR   1
+  #define SHUT_RDWR 2
+#endif
+
+/* FD_SET used for lwip_select */
+#ifndef FD_SET
+  #undef  FD_SETSIZE
+  /* Make FD_SETSIZE match NUM_SOCKETS in socket.c */
+  #define FD_SETSIZE    MEMP_NUM_NETCONN
+  #define FD_SET(n, p)  ((p)->fd_bits[(n)/8] |=  (1 << ((n) & 7)))
+  #define FD_CLR(n, p)  ((p)->fd_bits[(n)/8] &= ~(1 << ((n) & 7)))
+  #define FD_ISSET(n,p) ((p)->fd_bits[(n)/8] &   (1 << ((n) & 7)))
+  #define FD_ZERO(p)    memset((void*)(p),0,sizeof(*(p)))
+
+  typedef struct fd_set {
+          unsigned char fd_bits [(FD_SETSIZE+7)/8];
+        } fd_set;
+
+#endif /* FD_SET */
+
+/** LWIP_TIMEVAL_PRIVATE: if you want to use the struct timeval provided
+ * by your system, set this to 0 and include  in cc.h */ 
+#ifndef LWIP_TIMEVAL_PRIVATE
+#define LWIP_TIMEVAL_PRIVATE 1
+#endif
+
+#if LWIP_TIMEVAL_PRIVATE
+struct timeval {
+  long    tv_sec;         /* seconds */
+  long    tv_usec;        /* and microseconds */
+};
+#endif /* LWIP_TIMEVAL_PRIVATE */
+
+void lwip_socket_init(void);
+
+int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
+int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen);
+int lwip_shutdown(int s, int how);
+int lwip_getpeername (int s, struct sockaddr *name, socklen_t *namelen);
+int lwip_getsockname (int s, struct sockaddr *name, socklen_t *namelen);
+int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen);
+int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen);
+int lwip_close(int s);
+int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen);
+int lwip_listen(int s, int backlog);
+int lwip_recv(int s, void *mem, size_t len, int flags);
+int lwip_read(int s, void *mem, size_t len);
+int lwip_recvfrom(int s, void *mem, size_t len, int flags,
+      struct sockaddr *from, socklen_t *fromlen);
+int lwip_send(int s, const void *dataptr, size_t size, int flags);
+int lwip_sendto(int s, const void *dataptr, size_t size, int flags,
+    const struct sockaddr *to, socklen_t tolen);
+int lwip_socket(int domain, int type, int protocol);
+int lwip_write(int s, const void *dataptr, size_t size);
+int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
+                struct timeval *timeout);
+int lwip_ioctl(int s, long cmd, void *argp);
+int lwip_fcntl(int s, int cmd, int val);
+
+#if LWIP_COMPAT_SOCKETS
+#define accept(a,b,c)         lwip_accept(a,b,c)
+#define bind(a,b,c)           lwip_bind(a,b,c)
+#define shutdown(a,b)         lwip_shutdown(a,b)
+#define closesocket(s)        lwip_close(s)
+#define connect(a,b,c)        lwip_connect(a,b,c)
+#define getsockname(a,b,c)    lwip_getsockname(a,b,c)
+#define getpeername(a,b,c)    lwip_getpeername(a,b,c)
+#define setsockopt(a,b,c,d,e) lwip_setsockopt(a,b,c,d,e)
+#define getsockopt(a,b,c,d,e) lwip_getsockopt(a,b,c,d,e)
+#define listen(a,b)           lwip_listen(a,b)
+#define recv(a,b,c,d)         lwip_recv(a,b,c,d)
+#define recvfrom(a,b,c,d,e,f) lwip_recvfrom(a,b,c,d,e,f)
+#define send(a,b,c,d)         lwip_send(a,b,c,d)
+#define sendto(a,b,c,d,e,f)   lwip_sendto(a,b,c,d,e,f)
+#define socket(a,b,c)         lwip_socket(a,b,c)
+#define select(a,b,c,d,e)     lwip_select(a,b,c,d,e)
+#define ioctlsocket(a,b,c)    lwip_ioctl(a,b,c)
+
+#if LWIP_POSIX_SOCKETS_IO_NAMES
+#define read(a,b,c)           lwip_read(a,b,c)
+#define write(a,b,c)          lwip_write(a,b,c)
+#define close(s)              lwip_close(s)
+#endif /* LWIP_POSIX_SOCKETS_IO_NAMES */
+
+#endif /* LWIP_COMPAT_SOCKETS */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_SOCKET */
+
+#endif /* __LWIP_SOCKETS_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/stats.h b/libraries/net/lwip/lwip/include/lwip/stats.h
new file mode 100644
index 0000000000..015b7ce79d
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/stats.h
@@ -0,0 +1,292 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_STATS_H__
+#define __LWIP_STATS_H__
+
+#include "lwip/opt.h"
+
+#include "lwip/mem.h"
+#include "lwip/memp.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if LWIP_STATS
+
+#ifndef LWIP_STATS_LARGE
+#define LWIP_STATS_LARGE 0
+#endif
+
+#if LWIP_STATS_LARGE
+#define STAT_COUNTER     u32_t
+#define STAT_COUNTER_F   U32_F
+#else
+#define STAT_COUNTER     u16_t
+#define STAT_COUNTER_F   U16_F
+#endif 
+
+struct stats_proto {
+  STAT_COUNTER xmit;             /* Transmitted packets. */
+  STAT_COUNTER recv;             /* Received packets. */
+  STAT_COUNTER fw;               /* Forwarded packets. */
+  STAT_COUNTER drop;             /* Dropped packets. */
+  STAT_COUNTER chkerr;           /* Checksum error. */
+  STAT_COUNTER lenerr;           /* Invalid length error. */
+  STAT_COUNTER memerr;           /* Out of memory error. */
+  STAT_COUNTER rterr;            /* Routing error. */
+  STAT_COUNTER proterr;          /* Protocol error. */
+  STAT_COUNTER opterr;           /* Error in options. */
+  STAT_COUNTER err;              /* Misc error. */
+  STAT_COUNTER cachehit;
+};
+
+struct stats_igmp {
+  STAT_COUNTER xmit;             /* Transmitted packets. */
+  STAT_COUNTER recv;             /* Received packets. */
+  STAT_COUNTER drop;             /* Dropped packets. */
+  STAT_COUNTER chkerr;           /* Checksum error. */
+  STAT_COUNTER lenerr;           /* Invalid length error. */
+  STAT_COUNTER memerr;           /* Out of memory error. */
+  STAT_COUNTER proterr;          /* Protocol error. */
+  STAT_COUNTER rx_v1;            /* Received v1 frames. */
+  STAT_COUNTER rx_group;         /* Received group-specific queries. */
+  STAT_COUNTER rx_general;       /* Received general queries. */
+  STAT_COUNTER rx_report;        /* Received reports. */
+  STAT_COUNTER tx_join;          /* Sent joins. */
+  STAT_COUNTER tx_leave;         /* Sent leaves. */
+  STAT_COUNTER tx_report;        /* Sent reports. */
+};
+
+struct stats_mem {
+#ifdef LWIP_DEBUG
+  const char *name;
+#endif /* LWIP_DEBUG */
+  mem_size_t avail;
+  mem_size_t used;
+  mem_size_t max;
+  STAT_COUNTER err;
+  STAT_COUNTER illegal;
+};
+
+struct stats_syselem {
+  STAT_COUNTER used;
+  STAT_COUNTER max;
+  STAT_COUNTER err;
+};
+
+struct stats_sys {
+  struct stats_syselem sem;
+  struct stats_syselem mutex;
+  struct stats_syselem mbox;
+};
+
+struct stats_ {
+#if LINK_STATS
+  struct stats_proto link;
+#endif
+#if ETHARP_STATS
+  struct stats_proto etharp;
+#endif
+#if IPFRAG_STATS
+  struct stats_proto ip_frag;
+#endif
+#if IP_STATS
+  struct stats_proto ip;
+#endif
+#if ICMP_STATS
+  struct stats_proto icmp;
+#endif
+#if IGMP_STATS
+  struct stats_igmp igmp;
+#endif
+#if UDP_STATS
+  struct stats_proto udp;
+#endif
+#if TCP_STATS
+  struct stats_proto tcp;
+#endif
+#if MEM_STATS
+  struct stats_mem mem;
+#endif
+#if MEMP_STATS
+  struct stats_mem memp[MEMP_MAX];
+#endif
+#if SYS_STATS
+  struct stats_sys sys;
+#endif
+};
+
+extern struct stats_ lwip_stats;
+
+void stats_init(void);
+
+#define STATS_INC(x) ++lwip_stats.x
+#define STATS_DEC(x) --lwip_stats.x
+#define STATS_INC_USED(x, y) do { lwip_stats.x.used += y; \
+                                if (lwip_stats.x.max < lwip_stats.x.used) { \
+                                    lwip_stats.x.max = lwip_stats.x.used; \
+                                } \
+                             } while(0)
+#else /* LWIP_STATS */
+#define stats_init()
+#define STATS_INC(x)
+#define STATS_DEC(x)
+#define STATS_INC_USED(x)
+#endif /* LWIP_STATS */
+
+#if TCP_STATS
+#define TCP_STATS_INC(x) STATS_INC(x)
+#define TCP_STATS_DISPLAY() stats_display_proto(&lwip_stats.tcp, "TCP")
+#else
+#define TCP_STATS_INC(x)
+#define TCP_STATS_DISPLAY()
+#endif
+
+#if UDP_STATS
+#define UDP_STATS_INC(x) STATS_INC(x)
+#define UDP_STATS_DISPLAY() stats_display_proto(&lwip_stats.udp, "UDP")
+#else
+#define UDP_STATS_INC(x)
+#define UDP_STATS_DISPLAY()
+#endif
+
+#if ICMP_STATS
+#define ICMP_STATS_INC(x) STATS_INC(x)
+#define ICMP_STATS_DISPLAY() stats_display_proto(&lwip_stats.icmp, "ICMP")
+#else
+#define ICMP_STATS_INC(x)
+#define ICMP_STATS_DISPLAY()
+#endif
+
+#if IGMP_STATS
+#define IGMP_STATS_INC(x) STATS_INC(x)
+#define IGMP_STATS_DISPLAY() stats_display_igmp(&lwip_stats.igmp)
+#else
+#define IGMP_STATS_INC(x)
+#define IGMP_STATS_DISPLAY()
+#endif
+
+#if IP_STATS
+#define IP_STATS_INC(x) STATS_INC(x)
+#define IP_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip, "IP")
+#else
+#define IP_STATS_INC(x)
+#define IP_STATS_DISPLAY()
+#endif
+
+#if IPFRAG_STATS
+#define IPFRAG_STATS_INC(x) STATS_INC(x)
+#define IPFRAG_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip_frag, "IP_FRAG")
+#else
+#define IPFRAG_STATS_INC(x)
+#define IPFRAG_STATS_DISPLAY()
+#endif
+
+#if ETHARP_STATS
+#define ETHARP_STATS_INC(x) STATS_INC(x)
+#define ETHARP_STATS_DISPLAY() stats_display_proto(&lwip_stats.etharp, "ETHARP")
+#else
+#define ETHARP_STATS_INC(x)
+#define ETHARP_STATS_DISPLAY()
+#endif
+
+#if LINK_STATS
+#define LINK_STATS_INC(x) STATS_INC(x)
+#define LINK_STATS_DISPLAY() stats_display_proto(&lwip_stats.link, "LINK")
+#else
+#define LINK_STATS_INC(x)
+#define LINK_STATS_DISPLAY()
+#endif
+
+#if MEM_STATS
+#define MEM_STATS_AVAIL(x, y) lwip_stats.mem.x = y
+#define MEM_STATS_INC(x) STATS_INC(mem.x)
+#define MEM_STATS_INC_USED(x, y) STATS_INC_USED(mem, y)
+#define MEM_STATS_DEC_USED(x, y) lwip_stats.mem.x -= y
+#define MEM_STATS_DISPLAY() stats_display_mem(&lwip_stats.mem, "HEAP")
+#else
+#define MEM_STATS_AVAIL(x, y)
+#define MEM_STATS_INC(x)
+#define MEM_STATS_INC_USED(x, y)
+#define MEM_STATS_DEC_USED(x, y)
+#define MEM_STATS_DISPLAY()
+#endif
+
+#if MEMP_STATS
+#define MEMP_STATS_AVAIL(x, i, y) lwip_stats.memp[i].x = y
+#define MEMP_STATS_INC(x, i) STATS_INC(memp[i].x)
+#define MEMP_STATS_DEC(x, i) STATS_DEC(memp[i].x)
+#define MEMP_STATS_INC_USED(x, i) STATS_INC_USED(memp[i], 1)
+#define MEMP_STATS_DISPLAY(i) stats_display_memp(&lwip_stats.memp[i], i)
+#else
+#define MEMP_STATS_AVAIL(x, i, y)
+#define MEMP_STATS_INC(x, i)
+#define MEMP_STATS_DEC(x, i)
+#define MEMP_STATS_INC_USED(x, i)
+#define MEMP_STATS_DISPLAY(i)
+#endif
+
+#if SYS_STATS
+#define SYS_STATS_INC(x) STATS_INC(sys.x)
+#define SYS_STATS_DEC(x) STATS_DEC(sys.x)
+#define SYS_STATS_INC_USED(x) STATS_INC_USED(sys.x, 1)
+#define SYS_STATS_DISPLAY() stats_display_sys(&lwip_stats.sys)
+#else
+#define SYS_STATS_INC(x)
+#define SYS_STATS_DEC(x)
+#define SYS_STATS_INC_USED(x)
+#define SYS_STATS_DISPLAY()
+#endif
+
+/* Display of statistics */
+#if LWIP_STATS_DISPLAY
+void stats_display(void);
+void stats_display_proto(struct stats_proto *proto, char *name);
+void stats_display_igmp(struct stats_igmp *igmp);
+void stats_display_mem(struct stats_mem *mem, char *name);
+void stats_display_memp(struct stats_mem *mem, int index);
+void stats_display_sys(struct stats_sys *sys);
+#else /* LWIP_STATS_DISPLAY */
+#define stats_display()
+#define stats_display_proto(proto, name)
+#define stats_display_igmp(igmp)
+#define stats_display_mem(mem, name)
+#define stats_display_memp(mem, index)
+#define stats_display_sys(sys)
+#endif /* LWIP_STATS_DISPLAY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_STATS_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/sys.h b/libraries/net/lwip/lwip/include/lwip/sys.h
new file mode 100644
index 0000000000..9f62c7540e
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/sys.h
@@ -0,0 +1,331 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_SYS_H__
+#define __LWIP_SYS_H__
+
+#include "lwip/opt.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if NO_SYS
+
+/* For a totally minimal and standalone system, we provide null
+   definitions of the sys_ functions. */
+typedef u8_t sys_sem_t;
+typedef u8_t sys_mutex_t;
+typedef u8_t sys_mbox_t;
+
+#define sys_sem_new(s, c) ERR_OK
+#define sys_sem_signal(s)
+#define sys_sem_wait(s)
+#define sys_arch_sem_wait(s,t)
+#define sys_sem_free(s)
+#define sys_mutex_new(mu) ERR_OK
+#define sys_mutex_lock(mu)
+#define sys_mutex_unlock(mu)
+#define sys_mutex_free(mu)
+#define sys_mbox_new(m, s) ERR_OK
+#define sys_mbox_fetch(m,d)
+#define sys_mbox_tryfetch(m,d)
+#define sys_mbox_post(m,d)
+#define sys_mbox_trypost(m,d)
+#define sys_mbox_free(m)
+
+#define sys_thread_new(n,t,a,s,p)
+
+#define sys_msleep(t)
+
+#else /* NO_SYS */
+
+/** Return code for timeouts from sys_arch_mbox_fetch and sys_arch_sem_wait */
+#define SYS_ARCH_TIMEOUT 0xffffffffUL
+
+/** sys_mbox_tryfetch() returns SYS_MBOX_EMPTY if appropriate.
+ * For now we use the same magic value, but we allow this to change in future.
+ */
+#define SYS_MBOX_EMPTY SYS_ARCH_TIMEOUT 
+
+#include "lwip/err.h"
+#include "arch/sys_arch.h"
+
+/** Function prototype for thread functions */
+typedef void (*lwip_thread_fn)(void *arg);
+
+/* Function prototypes for functions to be implemented by platform ports
+   (in sys_arch.c) */
+
+/* Mutex functions: */
+
+/** Define LWIP_COMPAT_MUTEX if the port has no mutexes and binary semaphores
+    should be used instead */
+#if LWIP_COMPAT_MUTEX
+/* for old ports that don't have mutexes: define them to binary semaphores */
+#define sys_mutex_t                   sys_sem_t
+#define sys_mutex_new(mutex)          sys_sem_new(mutex, 1)
+#define sys_mutex_lock(mutex)         sys_sem_wait(mutex)
+#define sys_mutex_unlock(mutex)       sys_sem_signal(mutex)
+#define sys_mutex_free(mutex)         sys_sem_free(mutex)
+#define sys_mutex_valid(mutex)        sys_sem_valid(mutex)
+#define sys_mutex_set_invalid(mutex)  sys_sem_set_invalid(mutex)
+
+#else /* LWIP_COMPAT_MUTEX */
+
+/** Create a new mutex
+ * @param mutex pointer to the mutex to create
+ * @return a new mutex */
+err_t sys_mutex_new(sys_mutex_t *mutex);
+/** Lock a mutex
+ * @param mutex the mutex to lock */
+void sys_mutex_lock(sys_mutex_t *mutex);
+/** Unlock a mutex
+ * @param mutex the mutex to unlock */
+void sys_mutex_unlock(sys_mutex_t *mutex);
+/** Delete a semaphore
+ * @param mutex the mutex to delete */
+void sys_mutex_free(sys_mutex_t *mutex); 
+#ifndef sys_mutex_valid
+/** Check if a mutex is valid/allocated: return 1 for valid, 0 for invalid */
+int sys_mutex_valid(sys_mutex_t *mutex);
+#endif
+#ifndef sys_mutex_set_invalid
+/** Set a mutex invalid so that sys_mutex_valid returns 0 */
+void sys_mutex_set_invalid(sys_mutex_t *mutex);
+#endif
+#endif /* LWIP_COMPAT_MUTEX */
+
+/* Semaphore functions: */
+
+/** Create a new semaphore
+ * @param sem pointer to the semaphore to create
+ * @param count initial count of the semaphore
+ * @return ERR_OK if successful, another err_t otherwise */
+err_t sys_sem_new(sys_sem_t *sem, u8_t count);
+/** Signals a semaphore
+ * @param sem the semaphore to signal */
+void sys_sem_signal(sys_sem_t *sem);
+/** Wait for a semaphore for the specified timeout
+ * @param sem the semaphore to wait for
+ * @param timeout timeout in milliseconds to wait (0 = wait forever)
+ * @return time (in milliseconds) waited for the semaphore
+ *         or SYS_ARCH_TIMEOUT on timeout */
+u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout);
+/** Delete a semaphore
+ * @param sem semaphore to delete */
+void sys_sem_free(sys_sem_t *sem);
+/** Wait for a semaphore - forever/no timeout */
+#define sys_sem_wait(sem)                  sys_arch_sem_wait(sem, 0)
+#ifndef sys_sem_valid
+/** Check if a sempahore is valid/allocated: return 1 for valid, 0 for invalid */
+int sys_sem_valid(sys_sem_t *sem);
+#endif
+#ifndef sys_sem_set_invalid
+/** Set a semaphore invalid so that sys_sem_valid returns 0 */
+void sys_sem_set_invalid(sys_sem_t *sem);
+#endif
+
+/* Time functions. */
+#ifndef sys_msleep
+void sys_msleep(u32_t ms); /* only has a (close to) 1 jiffy resolution. */
+#endif
+
+/* Mailbox functions. */
+
+/** Create a new mbox of specified size
+ * @param mbox pointer to the mbox to create
+ * @param size (miminum) number of messages in this mbox
+ * @return ERR_OK if successful, another err_t otherwise */
+err_t sys_mbox_new(sys_mbox_t *mbox, int size);
+/** Post a message to an mbox - may not fail
+ * -> blocks if full, only used from tasks not from ISR
+ * @param mbox mbox to posts the message
+ * @param msg message to post (ATTENTION: can be NULL) */
+void sys_mbox_post(sys_mbox_t *mbox, void *msg);
+/** Try to post a message to an mbox - may fail if full or ISR
+ * @param mbox mbox to posts the message
+ * @param msg message to post (ATTENTION: can be NULL) */
+err_t sys_mbox_trypost(sys_mbox_t *mbox, void *msg);
+/** Wait for a new message to arrive in the mbox
+ * @param mbox mbox to get a message from
+ * @param msg pointer where the message is stored
+ * @param timeout maximum time (in milliseconds) to wait for a message
+ * @return time (in milliseconds) waited for a message, may be 0 if not waited
+           or SYS_ARCH_TIMEOUT on timeout
+ *         The returned time has to be accurate to prevent timer jitter! */
+u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout);
+/* Allow port to override with a macro, e.g. special timout for sys_arch_mbox_fetch() */
+#ifndef sys_arch_mbox_tryfetch
+/** Wait for a new message to arrive in the mbox
+ * @param mbox mbox to get a message from
+ * @param msg pointer where the message is stored
+ * @param timeout maximum time (in milliseconds) to wait for a message
+ * @return 0 (milliseconds) if a message has been received
+ *         or SYS_MBOX_EMPTY if the mailbox is empty */
+u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg);
+#endif
+/** For now, we map straight to sys_arch implementation. */
+#define sys_mbox_tryfetch(mbox, msg) sys_arch_mbox_tryfetch(mbox, msg)
+/** Delete an mbox
+ * @param mbox mbox to delete */
+void sys_mbox_free(sys_mbox_t *mbox);
+#define sys_mbox_fetch(mbox, msg) sys_arch_mbox_fetch(mbox, msg, 0)
+#ifndef sys_mbox_valid
+/** Check if an mbox is valid/allocated: return 1 for valid, 0 for invalid */
+int sys_mbox_valid(sys_mbox_t *mbox);
+#endif
+#ifndef sys_mbox_set_invalid
+/** Set an mbox invalid so that sys_mbox_valid returns 0 */
+void sys_mbox_set_invalid(sys_mbox_t *mbox);
+#endif
+
+/** The only thread function:
+ * Creates a new thread
+ * @param name human-readable name for the thread (used for debugging purposes)
+ * @param thread thread-function
+ * @param arg parameter passed to 'thread'
+ * @param stacksize stack size in bytes for the new thread (may be ignored by ports)
+ * @param prio priority of the new thread (may be ignored by ports) */
+sys_thread_t sys_thread_new(const char *name, lwip_thread_fn thread, void *arg, int stacksize, int prio);
+
+#endif /* NO_SYS */
+
+/* sys_init() must be called before anthing else. */
+void sys_init(void);
+
+#ifndef sys_jiffies
+/** Ticks/jiffies since power up. */
+u32_t sys_jiffies(void);
+#endif
+
+/** Returns the current time in milliseconds,
+ * may be the same as sys_jiffies or at least based on it. */
+u32_t sys_now(void);
+
+/* Critical Region Protection */
+/* These functions must be implemented in the sys_arch.c file.
+   In some implementations they can provide a more light-weight protection
+   mechanism than using semaphores. Otherwise semaphores can be used for
+   implementation */
+#ifndef SYS_ARCH_PROTECT
+/** SYS_LIGHTWEIGHT_PROT
+ * define SYS_LIGHTWEIGHT_PROT in lwipopts.h if you want inter-task protection
+ * for certain critical regions during buffer allocation, deallocation and memory
+ * allocation and deallocation.
+ */
+#if SYS_LIGHTWEIGHT_PROT
+
+/** SYS_ARCH_DECL_PROTECT
+ * declare a protection variable. This macro will default to defining a variable of
+ * type sys_prot_t. If a particular port needs a different implementation, then
+ * this macro may be defined in sys_arch.h.
+ */
+#define SYS_ARCH_DECL_PROTECT(lev) sys_prot_t lev
+/** SYS_ARCH_PROTECT
+ * Perform a "fast" protect. This could be implemented by
+ * disabling interrupts for an embedded system or by using a semaphore or
+ * mutex. The implementation should allow calling SYS_ARCH_PROTECT when
+ * already protected. The old protection level is returned in the variable
+ * "lev". This macro will default to calling the sys_arch_protect() function
+ * which should be implemented in sys_arch.c. If a particular port needs a
+ * different implementation, then this macro may be defined in sys_arch.h
+ */
+#define SYS_ARCH_PROTECT(lev) lev = sys_arch_protect()
+/** SYS_ARCH_UNPROTECT
+ * Perform a "fast" set of the protection level to "lev". This could be
+ * implemented by setting the interrupt level to "lev" within the MACRO or by
+ * using a semaphore or mutex.  This macro will default to calling the
+ * sys_arch_unprotect() function which should be implemented in
+ * sys_arch.c. If a particular port needs a different implementation, then
+ * this macro may be defined in sys_arch.h
+ */
+#define SYS_ARCH_UNPROTECT(lev) sys_arch_unprotect(lev)
+sys_prot_t sys_arch_protect(void);
+void sys_arch_unprotect(sys_prot_t pval);
+
+#else
+
+#define SYS_ARCH_DECL_PROTECT(lev)
+#define SYS_ARCH_PROTECT(lev)
+#define SYS_ARCH_UNPROTECT(lev)
+
+#endif /* SYS_LIGHTWEIGHT_PROT */
+
+#endif /* SYS_ARCH_PROTECT */
+
+/*
+ * Macros to set/get and increase/decrease variables in a thread-safe way.
+ * Use these for accessing variable that are used from more than one thread.
+ */
+
+#ifndef SYS_ARCH_INC
+#define SYS_ARCH_INC(var, val) do { \
+                                SYS_ARCH_DECL_PROTECT(old_level); \
+                                SYS_ARCH_PROTECT(old_level); \
+                                var += val; \
+                                SYS_ARCH_UNPROTECT(old_level); \
+                              } while(0)
+#endif /* SYS_ARCH_INC */
+
+#ifndef SYS_ARCH_DEC
+#define SYS_ARCH_DEC(var, val) do { \
+                                SYS_ARCH_DECL_PROTECT(old_level); \
+                                SYS_ARCH_PROTECT(old_level); \
+                                var -= val; \
+                                SYS_ARCH_UNPROTECT(old_level); \
+                              } while(0)
+#endif /* SYS_ARCH_DEC */
+
+#ifndef SYS_ARCH_GET
+#define SYS_ARCH_GET(var, ret) do { \
+                                SYS_ARCH_DECL_PROTECT(old_level); \
+                                SYS_ARCH_PROTECT(old_level); \
+                                ret = var; \
+                                SYS_ARCH_UNPROTECT(old_level); \
+                              } while(0)
+#endif /* SYS_ARCH_GET */
+
+#ifndef SYS_ARCH_SET
+#define SYS_ARCH_SET(var, val) do { \
+                                SYS_ARCH_DECL_PROTECT(old_level); \
+                                SYS_ARCH_PROTECT(old_level); \
+                                var = val; \
+                                SYS_ARCH_UNPROTECT(old_level); \
+                              } while(0)
+#endif /* SYS_ARCH_SET */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_SYS_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/tcp.h b/libraries/net/lwip/lwip/include/lwip/tcp.h
new file mode 100644
index 0000000000..07dcd10e78
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/tcp.h
@@ -0,0 +1,377 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_TCP_H__
+#define __LWIP_TCP_H__
+
+#include "lwip/opt.h"
+
+#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/sys.h"
+#include "lwip/mem.h"
+#include "lwip/pbuf.h"
+#include "lwip/ip.h"
+#include "lwip/icmp.h"
+#include "lwip/err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct tcp_pcb;
+
+/** Function prototype for tcp accept callback functions. Called when a new
+ * connection can be accepted on a listening pcb.
+ *
+ * @param arg Additional argument to pass to the callback function (@see tcp_arg())
+ * @param newpcb The new connection pcb
+ * @param err An error code if there has been an error accepting.
+ *            Only return ERR_ABRT if you have called tcp_abort from within the
+ *            callback function!
+ */
+typedef err_t (*tcp_accept_fn)(void *arg, struct tcp_pcb *newpcb, err_t err);
+
+/** Function prototype for tcp receive callback functions. Called when data has
+ * been received.
+ *
+ * @param arg Additional argument to pass to the callback function (@see tcp_arg())
+ * @param tpcb The connection pcb which received data
+ * @param p The received data (or NULL when the connection has been closed!)
+ * @param err An error code if there has been an error receiving
+ *            Only return ERR_ABRT if you have called tcp_abort from within the
+ *            callback function!
+ */
+typedef err_t (*tcp_recv_fn)(void *arg, struct tcp_pcb *tpcb,
+                             struct pbuf *p, err_t err);
+
+/** Function prototype for tcp sent callback functions. Called when sent data has
+ * been acknowledged by the remote side. Use it to free corresponding resources.
+ * This also means that the pcb has now space available to send new data.
+ *
+ * @param arg Additional argument to pass to the callback function (@see tcp_arg())
+ * @param tpcb The connection pcb for which data has been acknowledged
+ * @param len The amount of bytes acknowledged
+ * @return ERR_OK: try to send some data by calling tcp_output
+ *            Only return ERR_ABRT if you have called tcp_abort from within the
+ *            callback function!
+ */
+typedef err_t (*tcp_sent_fn)(void *arg, struct tcp_pcb *tpcb,
+                              u16_t len);
+
+/** Function prototype for tcp poll callback functions. Called periodically as
+ * specified by @see tcp_poll.
+ *
+ * @param arg Additional argument to pass to the callback function (@see tcp_arg())
+ * @param tpcb tcp pcb
+ * @return ERR_OK: try to send some data by calling tcp_output
+ *            Only return ERR_ABRT if you have called tcp_abort from within the
+ *            callback function!
+ */
+typedef err_t (*tcp_poll_fn)(void *arg, struct tcp_pcb *tpcb);
+
+/** Function prototype for tcp error callback functions. Called when the pcb
+ * receives a RST or is unexpectedly closed for any other reason.
+ *
+ * @note The corresponding pcb is already freed when this callback is called!
+ *
+ * @param arg Additional argument to pass to the callback function (@see tcp_arg())
+ * @param err Error code to indicate why the pcb has been closed
+ *            ERR_ABRT: aborted through tcp_abort or by a TCP timer
+ *            ERR_RST: the connection was reset by the remote host
+ */
+typedef void  (*tcp_err_fn)(void *arg, err_t err);
+
+/** Function prototype for tcp connected callback functions. Called when a pcb
+ * is connected to the remote side after initiating a connection attempt by
+ * calling tcp_connect().
+ *
+ * @param arg Additional argument to pass to the callback function (@see tcp_arg())
+ * @param tpcb The connection pcb which is connected
+ * @param err An unused error code, always ERR_OK currently ;-) TODO!
+ *            Only return ERR_ABRT if you have called tcp_abort from within the
+ *            callback function!
+ *
+ * @note When a connection attempt fails, the error callback is currently called!
+ */
+typedef err_t (*tcp_connected_fn)(void *arg, struct tcp_pcb *tpcb, err_t err);
+
+enum tcp_state {
+  CLOSED      = 0,
+  LISTEN      = 1,
+  SYN_SENT    = 2,
+  SYN_RCVD    = 3,
+  ESTABLISHED = 4,
+  FIN_WAIT_1  = 5,
+  FIN_WAIT_2  = 6,
+  CLOSE_WAIT  = 7,
+  CLOSING     = 8,
+  LAST_ACK    = 9,
+  TIME_WAIT   = 10
+};
+
+#if LWIP_CALLBACK_API
+  /* Function to call when a listener has been connected.
+   * @param arg user-supplied argument (tcp_pcb.callback_arg)
+   * @param pcb a new tcp_pcb that now is connected
+   * @param err an error argument (TODO: that is current always ERR_OK?)
+   * @return ERR_OK: accept the new connection,
+   *                 any other err_t abortsthe new connection
+   */
+#define DEF_ACCEPT_CALLBACK  tcp_accept_fn accept;
+#else /* LWIP_CALLBACK_API */
+#define DEF_ACCEPT_CALLBACK
+#endif /* LWIP_CALLBACK_API */
+
+/**
+ * members common to struct tcp_pcb and struct tcp_listen_pcb
+ */
+#define TCP_PCB_COMMON(type) \
+  type *next; /* for the linked list */ \
+  enum tcp_state state; /* TCP state */ \
+  u8_t prio; \
+  void *callback_arg; \
+  /* the accept callback for listen- and normal pcbs, if LWIP_CALLBACK_API */ \
+  DEF_ACCEPT_CALLBACK \
+  /* ports are in host byte order */ \
+  u16_t local_port
+
+
+/* the TCP protocol control block */
+struct tcp_pcb {
+/** common PCB members */
+  IP_PCB;
+/** protocol specific PCB members */
+  TCP_PCB_COMMON(struct tcp_pcb);
+
+  /* ports are in host byte order */
+  u16_t remote_port;
+  
+  u8_t flags;
+#define TF_ACK_DELAY   ((u8_t)0x01U)   /* Delayed ACK. */
+#define TF_ACK_NOW     ((u8_t)0x02U)   /* Immediate ACK. */
+#define TF_INFR        ((u8_t)0x04U)   /* In fast recovery. */
+#define TF_TIMESTAMP   ((u8_t)0x08U)   /* Timestamp option enabled */
+#define TF_RXCLOSED    ((u8_t)0x10U)   /* rx closed by tcp_shutdown */
+#define TF_FIN         ((u8_t)0x20U)   /* Connection was closed locally (FIN segment enqueued). */
+#define TF_NODELAY     ((u8_t)0x40U)   /* Disable Nagle algorithm */
+#define TF_NAGLEMEMERR ((u8_t)0x80U)   /* nagle enabled, memerr, try to output to prevent delayed ACK to happen */
+
+  /* the rest of the fields are in host byte order
+     as we have to do some math with them */
+  /* receiver variables */
+  u32_t rcv_nxt;   /* next seqno expected */
+  u16_t rcv_wnd;   /* receiver window available */
+  u16_t rcv_ann_wnd; /* receiver window to announce */
+  u32_t rcv_ann_right_edge; /* announced right edge of window */
+
+  /* Timers */
+  u32_t tmr;
+  u8_t polltmr, pollinterval;
+  
+  /* Retransmission timer. */
+  s16_t rtime;
+  
+  u16_t mss;   /* maximum segment size */
+  
+  /* RTT (round trip time) estimation variables */
+  u32_t rttest; /* RTT estimate in 500ms ticks */
+  u32_t rtseq;  /* sequence number being timed */
+  s16_t sa, sv; /* @todo document this */
+
+  s16_t rto;    /* retransmission time-out */
+  u8_t nrtx;    /* number of retransmissions */
+
+  /* fast retransmit/recovery */
+  u32_t lastack; /* Highest acknowledged seqno. */
+  u8_t dupacks;
+  
+  /* congestion avoidance/control variables */
+  u16_t cwnd;  
+  u16_t ssthresh;
+
+  /* sender variables */
+  u32_t snd_nxt;   /* next new seqno to be sent */
+  u16_t snd_wnd;   /* sender window */
+  u32_t snd_wl1, snd_wl2; /* Sequence and acknowledgement numbers of last
+                             window update. */
+  u32_t snd_lbb;       /* Sequence number of next byte to be buffered. */
+
+  u16_t acked;
+  
+  u16_t snd_buf;   /* Available buffer space for sending (in bytes). */
+#define TCP_SNDQUEUELEN_OVERFLOW (0xffffU-3)
+  u16_t snd_queuelen; /* Available buffer space for sending (in tcp_segs). */
+
+#if TCP_OVERSIZE
+  /* Extra bytes available at the end of the last pbuf in unsent. */
+  u16_t unsent_oversize;
+#endif /* TCP_OVERSIZE */ 
+
+  /* These are ordered by sequence number: */
+  struct tcp_seg *unsent;   /* Unsent (queued) segments. */
+  struct tcp_seg *unacked;  /* Sent but unacknowledged segments. */
+#if TCP_QUEUE_OOSEQ  
+  struct tcp_seg *ooseq;    /* Received out of sequence segments. */
+#endif /* TCP_QUEUE_OOSEQ */
+
+  struct pbuf *refused_data; /* Data previously received but not yet taken by upper layer */
+
+#if LWIP_CALLBACK_API
+  /* Function to be called when more send buffer space is available. */
+  tcp_sent_fn sent;
+  /* Function to be called when (in-sequence) data has arrived. */
+  tcp_recv_fn recv;
+  /* Function to be called when a connection has been set up. */
+  tcp_connected_fn connected;
+  /* Function which is called periodically. */
+  tcp_poll_fn poll;
+  /* Function to be called whenever a fatal error occurs. */
+  tcp_err_fn errf;
+#endif /* LWIP_CALLBACK_API */
+
+#if LWIP_TCP_TIMESTAMPS
+  u32_t ts_lastacksent;
+  u32_t ts_recent;
+#endif /* LWIP_TCP_TIMESTAMPS */
+
+  /* idle time before KEEPALIVE is sent */
+  u32_t keep_idle;
+#if LWIP_TCP_KEEPALIVE
+  u32_t keep_intvl;
+  u32_t keep_cnt;
+#endif /* LWIP_TCP_KEEPALIVE */
+  
+  /* Persist timer counter */
+  u32_t persist_cnt;
+  /* Persist timer back-off */
+  u8_t persist_backoff;
+
+  /* KEEPALIVE counter */
+  u8_t keep_cnt_sent;
+};
+
+struct tcp_pcb_listen {  
+/* Common members of all PCB types */
+  IP_PCB;
+/* Protocol specific PCB members */
+  TCP_PCB_COMMON(struct tcp_pcb_listen);
+
+#if TCP_LISTEN_BACKLOG
+  u8_t backlog;
+  u8_t accepts_pending;
+#endif /* TCP_LISTEN_BACKLOG */
+};
+
+#if LWIP_EVENT_API
+
+enum lwip_event {
+  LWIP_EVENT_ACCEPT,
+  LWIP_EVENT_SENT,
+  LWIP_EVENT_RECV,
+  LWIP_EVENT_CONNECTED,
+  LWIP_EVENT_POLL,
+  LWIP_EVENT_ERR
+};
+
+err_t lwip_tcp_event(void *arg, struct tcp_pcb *pcb,
+         enum lwip_event,
+         struct pbuf *p,
+         u16_t size,
+         err_t err);
+
+#endif /* LWIP_EVENT_API */
+
+/* Application program's interface: */
+struct tcp_pcb * tcp_new     (void);
+
+void             tcp_arg     (struct tcp_pcb *pcb, void *arg);
+void             tcp_accept  (struct tcp_pcb *pcb, tcp_accept_fn accept);
+void             tcp_recv    (struct tcp_pcb *pcb, tcp_recv_fn recv);
+void             tcp_sent    (struct tcp_pcb *pcb, tcp_sent_fn sent);
+void             tcp_poll    (struct tcp_pcb *pcb, tcp_poll_fn poll, u8_t interval);
+void             tcp_err     (struct tcp_pcb *pcb, tcp_err_fn err);
+
+#define          tcp_mss(pcb)             (((pcb)->flags & TF_TIMESTAMP) ? ((pcb)->mss - 12)  : (pcb)->mss)
+#define          tcp_sndbuf(pcb)          ((pcb)->snd_buf)
+#define          tcp_sndqueuelen(pcb)     ((pcb)->snd_queuelen)
+#define          tcp_nagle_disable(pcb)   ((pcb)->flags |= TF_NODELAY)
+#define          tcp_nagle_enable(pcb)    ((pcb)->flags &= ~TF_NODELAY)
+#define          tcp_nagle_disabled(pcb)  (((pcb)->flags & TF_NODELAY) != 0)
+
+#if TCP_LISTEN_BACKLOG
+#define          tcp_accepted(pcb) do { \
+  LWIP_ASSERT("pcb->state == LISTEN (called for wrong pcb?)", pcb->state == LISTEN); \
+  (((struct tcp_pcb_listen *)(pcb))->accepts_pending--); } while(0)
+#else  /* TCP_LISTEN_BACKLOG */
+#define          tcp_accepted(pcb) LWIP_ASSERT("pcb->state == LISTEN (called for wrong pcb?)", \
+                                               pcb->state == LISTEN)
+#endif /* TCP_LISTEN_BACKLOG */
+
+void             tcp_recved  (struct tcp_pcb *pcb, u16_t len);
+err_t            tcp_bind    (struct tcp_pcb *pcb, ip_addr_t *ipaddr,
+                              u16_t port);
+err_t            tcp_connect (struct tcp_pcb *pcb, ip_addr_t *ipaddr,
+                              u16_t port, tcp_connected_fn connected);
+
+struct tcp_pcb * tcp_listen_with_backlog(struct tcp_pcb *pcb, u8_t backlog);
+#define          tcp_listen(pcb) tcp_listen_with_backlog(pcb, TCP_DEFAULT_LISTEN_BACKLOG)
+
+void             tcp_abort (struct tcp_pcb *pcb);
+err_t            tcp_close   (struct tcp_pcb *pcb);
+err_t            tcp_shutdown(struct tcp_pcb *pcb, int shut_rx, int shut_tx);
+
+/* Flags for "apiflags" parameter in tcp_write */
+#define TCP_WRITE_FLAG_COPY 0x01
+#define TCP_WRITE_FLAG_MORE 0x02
+
+err_t            tcp_write   (struct tcp_pcb *pcb, const void *dataptr, u16_t len,
+                              u8_t apiflags);
+
+void             tcp_setprio (struct tcp_pcb *pcb, u8_t prio);
+
+#define TCP_PRIO_MIN    1
+#define TCP_PRIO_NORMAL 64
+#define TCP_PRIO_MAX    127
+
+err_t            tcp_output  (struct tcp_pcb *pcb);
+
+
+const char* tcp_debug_state_str(enum tcp_state s);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_TCP */
+
+#endif /* __LWIP_TCP_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/tcp_impl.h b/libraries/net/lwip/lwip/include/lwip/tcp_impl.h
new file mode 100644
index 0000000000..b4feec0da1
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/tcp_impl.h
@@ -0,0 +1,471 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_TCP_IMPL_H__
+#define __LWIP_TCP_IMPL_H__
+
+#include "lwip/opt.h"
+
+#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/tcp.h"
+#include "lwip/sys.h"
+#include "lwip/mem.h"
+#include "lwip/pbuf.h"
+#include "lwip/ip.h"
+#include "lwip/icmp.h"
+#include "lwip/err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Functions for interfacing with TCP: */
+
+/* Lower layer interface to TCP: */
+#define tcp_init() /* Compatibility define, no init needed. */
+void             tcp_tmr     (void);  /* Must be called every
+                                         TCP_TMR_INTERVAL
+                                         ms. (Typically 250 ms). */
+/* It is also possible to call these two functions at the right
+   intervals (instead of calling tcp_tmr()). */
+void             tcp_slowtmr (void);
+void             tcp_fasttmr (void);
+
+
+/* Only used by IP to pass a TCP segment to TCP: */
+void             tcp_input   (struct pbuf *p, struct netif *inp);
+/* Used within the TCP code only: */
+struct tcp_pcb * tcp_alloc   (u8_t prio);
+void             tcp_abandon (struct tcp_pcb *pcb, int reset);
+err_t            tcp_send_empty_ack(struct tcp_pcb *pcb);
+void             tcp_rexmit  (struct tcp_pcb *pcb);
+void             tcp_rexmit_rto  (struct tcp_pcb *pcb);
+void             tcp_rexmit_fast (struct tcp_pcb *pcb);
+u32_t            tcp_update_rcv_ann_wnd(struct tcp_pcb *pcb);
+
+/**
+ * This is the Nagle algorithm: try to combine user data to send as few TCP
+ * segments as possible. Only send if
+ * - no previously transmitted data on the connection remains unacknowledged or
+ * - the TF_NODELAY flag is set (nagle algorithm turned off for this pcb) or
+ * - the only unsent segment is at least pcb->mss bytes long (or there is more
+ *   than one unsent segment - with lwIP, this can happen although unsent->len < mss)
+ * - or if we are in fast-retransmit (TF_INFR)
+ */
+#define tcp_do_output_nagle(tpcb) ((((tpcb)->unacked == NULL) || \
+                            ((tpcb)->flags & (TF_NODELAY | TF_INFR)) || \
+                            (((tpcb)->unsent != NULL) && (((tpcb)->unsent->next != NULL) || \
+                              ((tpcb)->unsent->len >= (tpcb)->mss))) \
+                            ) ? 1 : 0)
+#define tcp_output_nagle(tpcb) (tcp_do_output_nagle(tpcb) ? tcp_output(tpcb) : ERR_OK)
+
+
+#define TCP_SEQ_LT(a,b)     ((s32_t)((a)-(b)) < 0)
+#define TCP_SEQ_LEQ(a,b)    ((s32_t)((a)-(b)) <= 0)
+#define TCP_SEQ_GT(a,b)     ((s32_t)((a)-(b)) > 0)
+#define TCP_SEQ_GEQ(a,b)    ((s32_t)((a)-(b)) >= 0)
+/* is b<=a<=c? */
+#if 0 /* see bug #10548 */
+#define TCP_SEQ_BETWEEN(a,b,c) ((c)-(b) >= (a)-(b))
+#endif
+#define TCP_SEQ_BETWEEN(a,b,c) (TCP_SEQ_GEQ(a,b) && TCP_SEQ_LEQ(a,c))
+#define TCP_FIN 0x01U
+#define TCP_SYN 0x02U
+#define TCP_RST 0x04U
+#define TCP_PSH 0x08U
+#define TCP_ACK 0x10U
+#define TCP_URG 0x20U
+#define TCP_ECE 0x40U
+#define TCP_CWR 0x80U
+
+#define TCP_FLAGS 0x3fU
+
+/* Length of the TCP header, excluding options. */
+#define TCP_HLEN 20
+
+#ifndef TCP_TMR_INTERVAL
+#define TCP_TMR_INTERVAL       250  /* The TCP timer interval in milliseconds. */
+#endif /* TCP_TMR_INTERVAL */
+
+#ifndef TCP_FAST_INTERVAL
+#define TCP_FAST_INTERVAL      TCP_TMR_INTERVAL /* the fine grained timeout in milliseconds */
+#endif /* TCP_FAST_INTERVAL */
+
+#ifndef TCP_SLOW_INTERVAL
+#define TCP_SLOW_INTERVAL      (2*TCP_TMR_INTERVAL)  /* the coarse grained timeout in milliseconds */
+#endif /* TCP_SLOW_INTERVAL */
+
+#define TCP_FIN_WAIT_TIMEOUT 20000 /* milliseconds */
+#define TCP_SYN_RCVD_TIMEOUT 20000 /* milliseconds */
+
+#define TCP_OOSEQ_TIMEOUT        6U /* x RTO */
+
+#ifndef TCP_MSL
+#define TCP_MSL 60000UL /* The maximum segment lifetime in milliseconds */
+#endif
+
+/* Keepalive values, compliant with RFC 1122. Don't change this unless you know what you're doing */
+#ifndef  TCP_KEEPIDLE_DEFAULT
+#define  TCP_KEEPIDLE_DEFAULT     7200000UL /* Default KEEPALIVE timer in milliseconds */
+#endif
+
+#ifndef  TCP_KEEPINTVL_DEFAULT
+#define  TCP_KEEPINTVL_DEFAULT    75000UL   /* Default Time between KEEPALIVE probes in milliseconds */
+#endif
+
+#ifndef  TCP_KEEPCNT_DEFAULT
+#define  TCP_KEEPCNT_DEFAULT      9U        /* Default Counter for KEEPALIVE probes */
+#endif
+
+#define  TCP_MAXIDLE              TCP_KEEPCNT_DEFAULT * TCP_KEEPINTVL_DEFAULT  /* Maximum KEEPALIVE probe time */
+
+/* Fields are (of course) in network byte order.
+ * Some fields are converted to host byte order in tcp_input().
+ */
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+struct tcp_hdr {
+  PACK_STRUCT_FIELD(u16_t src);
+  PACK_STRUCT_FIELD(u16_t dest);
+  PACK_STRUCT_FIELD(u32_t seqno);
+  PACK_STRUCT_FIELD(u32_t ackno);
+  PACK_STRUCT_FIELD(u16_t _hdrlen_rsvd_flags);
+  PACK_STRUCT_FIELD(u16_t wnd);
+  PACK_STRUCT_FIELD(u16_t chksum);
+  PACK_STRUCT_FIELD(u16_t urgp);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+#define TCPH_OFFSET(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) >> 8)
+#define TCPH_HDRLEN(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) >> 12)
+#define TCPH_FLAGS(phdr)  (ntohs((phdr)->_hdrlen_rsvd_flags) & TCP_FLAGS)
+
+#define TCPH_OFFSET_SET(phdr, offset) (phdr)->_hdrlen_rsvd_flags = htons(((offset) << 8) | TCPH_FLAGS(phdr))
+#define TCPH_HDRLEN_SET(phdr, len) (phdr)->_hdrlen_rsvd_flags = htons(((len) << 12) | TCPH_FLAGS(phdr))
+#define TCPH_FLAGS_SET(phdr, flags) (phdr)->_hdrlen_rsvd_flags = (((phdr)->_hdrlen_rsvd_flags & PP_HTONS((u16_t)(~(u16_t)(TCP_FLAGS)))) | htons(flags))
+#define TCPH_HDRLEN_FLAGS_SET(phdr, len, flags) (phdr)->_hdrlen_rsvd_flags = htons(((len) << 12) | (flags))
+
+#define TCPH_SET_FLAG(phdr, flags ) (phdr)->_hdrlen_rsvd_flags = ((phdr)->_hdrlen_rsvd_flags | htons(flags))
+#define TCPH_UNSET_FLAG(phdr, flags) (phdr)->_hdrlen_rsvd_flags = htons(ntohs((phdr)->_hdrlen_rsvd_flags) | (TCPH_FLAGS(phdr) & ~(flags)) )
+
+#define TCP_TCPLEN(seg) ((seg)->len + ((TCPH_FLAGS((seg)->tcphdr) & (TCP_FIN | TCP_SYN)) != 0))
+
+/** Flags used on input processing, not on pcb->flags
+*/
+#define TF_RESET     (u8_t)0x08U   /* Connection was reset. */
+#define TF_CLOSED    (u8_t)0x10U   /* Connection was sucessfully closed. */
+#define TF_GOT_FIN   (u8_t)0x20U   /* Connection was closed by the remote end. */
+
+
+#if LWIP_EVENT_API
+
+#define TCP_EVENT_ACCEPT(pcb,err,ret)    ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
+                LWIP_EVENT_ACCEPT, NULL, 0, err)
+#define TCP_EVENT_SENT(pcb,space,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
+                   LWIP_EVENT_SENT, NULL, space, ERR_OK)
+#define TCP_EVENT_RECV(pcb,p,err,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
+                LWIP_EVENT_RECV, (p), 0, (err))
+#define TCP_EVENT_CLOSED(pcb,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
+                LWIP_EVENT_RECV, NULL, 0, ERR_OK)
+#define TCP_EVENT_CONNECTED(pcb,err,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
+                LWIP_EVENT_CONNECTED, NULL, 0, (err))
+#define TCP_EVENT_POLL(pcb,ret)       ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
+                LWIP_EVENT_POLL, NULL, 0, ERR_OK)
+#define TCP_EVENT_ERR(errf,arg,err)  lwip_tcp_event((arg), NULL, \
+                LWIP_EVENT_ERR, NULL, 0, (err))
+
+#else /* LWIP_EVENT_API */
+
+#define TCP_EVENT_ACCEPT(pcb,err,ret)                          \
+  do {                                                         \
+    if((pcb)->accept != NULL)                                  \
+      (ret) = (pcb)->accept((pcb)->callback_arg,(pcb),(err));  \
+    else (ret) = ERR_ARG;                                      \
+  } while (0)
+
+#define TCP_EVENT_SENT(pcb,space,ret)                          \
+  do {                                                         \
+    if((pcb)->sent != NULL)                                    \
+      (ret) = (pcb)->sent((pcb)->callback_arg,(pcb),(space));  \
+    else (ret) = ERR_OK;                                       \
+  } while (0)
+
+#define TCP_EVENT_RECV(pcb,p,err,ret)                          \
+  do {                                                         \
+    if((pcb)->recv != NULL) {                                  \
+      (ret) = (pcb)->recv((pcb)->callback_arg,(pcb),(p),(err));\
+    } else {                                                   \
+      (ret) = tcp_recv_null(NULL, (pcb), (p), (err));          \
+    }                                                          \
+  } while (0)
+
+#define TCP_EVENT_CLOSED(pcb,ret)                                \
+  do {                                                           \
+    if(((pcb)->recv != NULL)) {                                  \
+      (ret) = (pcb)->recv((pcb)->callback_arg,(pcb),NULL,ERR_OK);\
+    } else {                                                     \
+      (ret) = ERR_OK;                                            \
+    }                                                            \
+  } while (0)
+
+#define TCP_EVENT_CONNECTED(pcb,err,ret)                         \
+  do {                                                           \
+    if((pcb)->connected != NULL)                                 \
+      (ret) = (pcb)->connected((pcb)->callback_arg,(pcb),(err)); \
+    else (ret) = ERR_OK;                                         \
+  } while (0)
+
+#define TCP_EVENT_POLL(pcb,ret)                                \
+  do {                                                         \
+    if((pcb)->poll != NULL)                                    \
+      (ret) = (pcb)->poll((pcb)->callback_arg,(pcb));          \
+    else (ret) = ERR_OK;                                       \
+  } while (0)
+
+#define TCP_EVENT_ERR(errf,arg,err)                            \
+  do {                                                         \
+    if((errf) != NULL)                                         \
+      (errf)((arg),(err));                                     \
+  } while (0)
+
+#endif /* LWIP_EVENT_API */
+
+/** Enabled extra-check for TCP_OVERSIZE if LWIP_DEBUG is enabled */
+#if TCP_OVERSIZE && defined(LWIP_DEBUG)
+#define TCP_OVERSIZE_DBGCHECK 1
+#else
+#define TCP_OVERSIZE_DBGCHECK 0
+#endif
+
+/** Don't generate checksum on copy if CHECKSUM_GEN_TCP is disabled */
+#define TCP_CHECKSUM_ON_COPY  (LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_TCP)
+
+/* This structure represents a TCP segment on the unsent, unacked and ooseq queues */
+struct tcp_seg {
+  struct tcp_seg *next;    /* used when putting segements on a queue */
+  struct pbuf *p;          /* buffer containing data + TCP header */
+  u16_t len;               /* the TCP length of this segment */
+#if TCP_OVERSIZE_DBGCHECK
+  u16_t oversize_left;     /* Extra bytes available at the end of the last
+                              pbuf in unsent (used for asserting vs.
+                              tcp_pcb.unsent_oversized only) */
+#endif /* TCP_OVERSIZE_DBGCHECK */ 
+#if TCP_CHECKSUM_ON_COPY
+  u16_t chksum;
+  u8_t  chksum_swapped;
+#endif /* TCP_CHECKSUM_ON_COPY */
+  u8_t  flags;
+#define TF_SEG_OPTS_MSS         (u8_t)0x01U /* Include MSS option. */
+#define TF_SEG_OPTS_TS          (u8_t)0x02U /* Include timestamp option. */
+#define TF_SEG_DATA_CHECKSUMMED (u8_t)0x04U /* ALL data (not the header) is
+                                               checksummed into 'chksum' */
+  struct tcp_hdr *tcphdr;  /* the TCP header */
+};
+
+#define LWIP_TCP_OPT_LENGTH(flags)              \
+  (flags & TF_SEG_OPTS_MSS ? 4  : 0) +          \
+  (flags & TF_SEG_OPTS_TS  ? 12 : 0)
+
+/** This returns a TCP header option for MSS in an u32_t */
+#define TCP_BUILD_MSS_OPTION(x) (x) = PP_HTONL(((u32_t)2 << 24) |          \
+                                               ((u32_t)4 << 16) |          \
+                                               (((u32_t)TCP_MSS / 256) << 8) | \
+                                               (TCP_MSS & 255))
+
+/* Global variables: */
+extern struct tcp_pcb *tcp_input_pcb;
+extern u32_t tcp_ticks;
+
+/* The TCP PCB lists. */
+union tcp_listen_pcbs_t { /* List of all TCP PCBs in LISTEN state. */
+  struct tcp_pcb_listen *listen_pcbs; 
+  struct tcp_pcb *pcbs;
+};
+extern struct tcp_pcb *tcp_bound_pcbs;
+extern union tcp_listen_pcbs_t tcp_listen_pcbs;
+extern struct tcp_pcb *tcp_active_pcbs;  /* List of all TCP PCBs that are in a
+              state in which they accept or send
+              data. */
+extern struct tcp_pcb *tcp_tw_pcbs;      /* List of all TCP PCBs in TIME-WAIT. */
+
+extern struct tcp_pcb *tcp_tmp_pcb;      /* Only used for temporary storage. */
+
+/* Axioms about the above lists:   
+   1) Every TCP PCB that is not CLOSED is in one of the lists.
+   2) A PCB is only in one of the lists.
+   3) All PCBs in the tcp_listen_pcbs list is in LISTEN state.
+   4) All PCBs in the tcp_tw_pcbs list is in TIME-WAIT state.
+*/
+/* Define two macros, TCP_REG and TCP_RMV that registers a TCP PCB
+   with a PCB list or removes a PCB from a list, respectively. */
+#ifndef TCP_DEBUG_PCB_LISTS
+#define TCP_DEBUG_PCB_LISTS 0
+#endif
+#if TCP_DEBUG_PCB_LISTS
+#define TCP_REG(pcbs, npcb) do {\
+                            LWIP_DEBUGF(TCP_DEBUG, ("TCP_REG %p local port %d\n", (npcb), (npcb)->local_port)); \
+                            for(tcp_tmp_pcb = *(pcbs); \
+          tcp_tmp_pcb != NULL; \
+        tcp_tmp_pcb = tcp_tmp_pcb->next) { \
+                                LWIP_ASSERT("TCP_REG: already registered\n", tcp_tmp_pcb != (npcb)); \
+                            } \
+                            LWIP_ASSERT("TCP_REG: pcb->state != CLOSED", ((pcbs) == &tcp_bound_pcbs) || ((npcb)->state != CLOSED)); \
+                            (npcb)->next = *(pcbs); \
+                            LWIP_ASSERT("TCP_REG: npcb->next != npcb", (npcb)->next != (npcb)); \
+                            *(pcbs) = (npcb); \
+                            LWIP_ASSERT("TCP_RMV: tcp_pcbs sane", tcp_pcbs_sane()); \
+              tcp_timer_needed(); \
+                            } while(0)
+#define TCP_RMV(pcbs, npcb) do { \
+                            LWIP_ASSERT("TCP_RMV: pcbs != NULL", *(pcbs) != NULL); \
+                            LWIP_DEBUGF(TCP_DEBUG, ("TCP_RMV: removing %p from %p\n", (npcb), *(pcbs))); \
+                            if(*(pcbs) == (npcb)) { \
+                               *(pcbs) = (*pcbs)->next; \
+                            } else for(tcp_tmp_pcb = *(pcbs); tcp_tmp_pcb != NULL; tcp_tmp_pcb = tcp_tmp_pcb->next) { \
+                               if(tcp_tmp_pcb->next == (npcb)) { \
+                                  tcp_tmp_pcb->next = (npcb)->next; \
+                                  break; \
+                               } \
+                            } \
+                            (npcb)->next = NULL; \
+                            LWIP_ASSERT("TCP_RMV: tcp_pcbs sane", tcp_pcbs_sane()); \
+                            LWIP_DEBUGF(TCP_DEBUG, ("TCP_RMV: removed %p from %p\n", (npcb), *(pcbs))); \
+                            } while(0)
+
+#else /* LWIP_DEBUG */
+
+#define TCP_REG(pcbs, npcb)                        \
+  do {                                             \
+    (npcb)->next = *pcbs;                          \
+    *(pcbs) = (npcb);                              \
+    tcp_timer_needed();                            \
+  } while (0)
+
+#define TCP_RMV(pcbs, npcb)                        \
+  do {                                             \
+    if(*(pcbs) == (npcb)) {                        \
+      (*(pcbs)) = (*pcbs)->next;                   \
+    }                                              \
+    else {                                         \
+      for(tcp_tmp_pcb = *pcbs;                     \
+          tcp_tmp_pcb != NULL;                     \
+          tcp_tmp_pcb = tcp_tmp_pcb->next) {       \
+        if(tcp_tmp_pcb->next == (npcb)) {          \
+          tcp_tmp_pcb->next = (npcb)->next;        \
+          break;                                   \
+        }                                          \
+      }                                            \
+    }                                              \
+    (npcb)->next = NULL;                           \
+  } while(0)
+
+#endif /* LWIP_DEBUG */
+
+
+/* Internal functions: */
+struct tcp_pcb *tcp_pcb_copy(struct tcp_pcb *pcb);
+void tcp_pcb_purge(struct tcp_pcb *pcb);
+void tcp_pcb_remove(struct tcp_pcb **pcblist, struct tcp_pcb *pcb);
+
+void tcp_segs_free(struct tcp_seg *seg);
+void tcp_seg_free(struct tcp_seg *seg);
+struct tcp_seg *tcp_seg_copy(struct tcp_seg *seg);
+
+#define tcp_ack(pcb)                               \
+  do {                                             \
+    if((pcb)->flags & TF_ACK_DELAY) {              \
+      (pcb)->flags &= ~TF_ACK_DELAY;               \
+      (pcb)->flags |= TF_ACK_NOW;                  \
+    }                                              \
+    else {                                         \
+      (pcb)->flags |= TF_ACK_DELAY;                \
+    }                                              \
+  } while (0)
+
+#define tcp_ack_now(pcb)                           \
+  do {                                             \
+    (pcb)->flags |= TF_ACK_NOW;                    \
+  } while (0)
+
+err_t tcp_send_fin(struct tcp_pcb *pcb);
+err_t tcp_enqueue_flags(struct tcp_pcb *pcb, u8_t flags);
+
+void tcp_rexmit_seg(struct tcp_pcb *pcb, struct tcp_seg *seg);
+
+void tcp_rst(u32_t seqno, u32_t ackno,
+       ip_addr_t *local_ip, ip_addr_t *remote_ip,
+       u16_t local_port, u16_t remote_port);
+
+u32_t tcp_next_iss(void);
+
+void tcp_keepalive(struct tcp_pcb *pcb);
+void tcp_zero_window_probe(struct tcp_pcb *pcb);
+
+#if TCP_CALCULATE_EFF_SEND_MSS
+u16_t tcp_eff_send_mss(u16_t sendmss, ip_addr_t *addr);
+#endif /* TCP_CALCULATE_EFF_SEND_MSS */
+
+#if LWIP_CALLBACK_API
+err_t tcp_recv_null(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err);
+#endif /* LWIP_CALLBACK_API */
+
+#if TCP_DEBUG || TCP_INPUT_DEBUG || TCP_OUTPUT_DEBUG
+void tcp_debug_print(struct tcp_hdr *tcphdr);
+void tcp_debug_print_flags(u8_t flags);
+void tcp_debug_print_state(enum tcp_state s);
+void tcp_debug_print_pcbs(void);
+s16_t tcp_pcbs_sane(void);
+#else
+#  define tcp_debug_print(tcphdr)
+#  define tcp_debug_print_flags(flags)
+#  define tcp_debug_print_state(s)
+#  define tcp_debug_print_pcbs()
+#  define tcp_pcbs_sane() 1
+#endif /* TCP_DEBUG */
+
+/** External function (implemented in timers.c), called when TCP detects
+ * that a timer is needed (i.e. active- or time-wait-pcb found). */
+void tcp_timer_needed(void);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_TCP */
+
+#endif /* __LWIP_TCP_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/tcpip.h b/libraries/net/lwip/lwip/include/lwip/tcpip.h
new file mode 100644
index 0000000000..995ba8ad00
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/tcpip.h
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_TCPIP_H__
+#define __LWIP_TCPIP_H__
+
+#include "lwip/opt.h"
+
+#if !NO_SYS /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/api_msg.h"
+#include "lwip/netifapi.h"
+#include "lwip/pbuf.h"
+#include "lwip/api.h"
+#include "lwip/sys.h"
+#include "lwip/timers.h"
+#include "lwip/netif.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Define this to something that triggers a watchdog. This is called from
+ * tcpip_thread after processing a message. */
+#ifndef LWIP_TCPIP_THREAD_ALIVE
+#define LWIP_TCPIP_THREAD_ALIVE()
+#endif
+
+#if LWIP_TCPIP_CORE_LOCKING
+/** The global semaphore to lock the stack. */
+extern sys_mutex_t lock_tcpip_core;
+#define LOCK_TCPIP_CORE()     sys_mutex_lock(&lock_tcpip_core)
+#define UNLOCK_TCPIP_CORE()   sys_mutex_unlock(&lock_tcpip_core)
+#define TCPIP_APIMSG(m)       tcpip_apimsg_lock(m)
+#define TCPIP_APIMSG_ACK(m)
+#define TCPIP_NETIFAPI(m)     tcpip_netifapi_lock(m)
+#define TCPIP_NETIFAPI_ACK(m)
+#else /* LWIP_TCPIP_CORE_LOCKING */
+#define LOCK_TCPIP_CORE()
+#define UNLOCK_TCPIP_CORE()
+#define TCPIP_APIMSG(m)       tcpip_apimsg(m)
+#define TCPIP_APIMSG_ACK(m)   sys_sem_signal(&m->conn->op_completed)
+#define TCPIP_NETIFAPI(m)     tcpip_netifapi(m)
+#define TCPIP_NETIFAPI_ACK(m) sys_sem_signal(&m->sem)
+#endif /* LWIP_TCPIP_CORE_LOCKING */
+
+/** Function prototype for the init_done function passed to tcpip_init */
+typedef void (*tcpip_init_done_fn)(void *arg);
+/** Function prototype for functions passed to tcpip_callback() */
+typedef void (*tcpip_callback_fn)(void *ctx);
+
+void tcpip_init(tcpip_init_done_fn tcpip_init_done, void *arg);
+
+#if LWIP_NETCONN
+err_t tcpip_apimsg(struct api_msg *apimsg);
+#if LWIP_TCPIP_CORE_LOCKING
+err_t tcpip_apimsg_lock(struct api_msg *apimsg);
+#endif /* LWIP_TCPIP_CORE_LOCKING */
+#endif /* LWIP_NETCONN */
+
+err_t tcpip_input(struct pbuf *p, struct netif *inp);
+
+#if LWIP_NETIF_API
+err_t tcpip_netifapi(struct netifapi_msg *netifapimsg);
+#if LWIP_TCPIP_CORE_LOCKING
+err_t tcpip_netifapi_lock(struct netifapi_msg *netifapimsg);
+#endif /* LWIP_TCPIP_CORE_LOCKING */
+#endif /* LWIP_NETIF_API */
+
+err_t tcpip_callback_with_block(tcpip_callback_fn function, void *ctx, u8_t block);
+#define tcpip_callback(f, ctx)              tcpip_callback_with_block(f, ctx, 1)
+
+/* free pbufs or heap memory from another context without blocking */
+err_t pbuf_free_callback(struct pbuf *p);
+err_t mem_free_callback(void *m);
+
+#if LWIP_TCPIP_TIMEOUT
+err_t tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg);
+err_t tcpip_untimeout(sys_timeout_handler h, void *arg);
+#endif /* LWIP_TCPIP_TIMEOUT */
+
+enum tcpip_msg_type {
+#if LWIP_NETCONN
+  TCPIP_MSG_API,
+#endif /* LWIP_NETCONN */
+  TCPIP_MSG_INPKT,
+#if LWIP_NETIF_API
+  TCPIP_MSG_NETIFAPI,
+#endif /* LWIP_NETIF_API */
+#if LWIP_TCPIP_TIMEOUT
+  TCPIP_MSG_TIMEOUT,
+  TCPIP_MSG_UNTIMEOUT,
+#endif /* LWIP_TCPIP_TIMEOUT */
+  TCPIP_MSG_CALLBACK
+};
+
+struct tcpip_msg {
+  enum tcpip_msg_type type;
+  sys_sem_t *sem;
+  union {
+#if LWIP_NETCONN
+    struct api_msg *apimsg;
+#endif /* LWIP_NETCONN */
+#if LWIP_NETIF_API
+    struct netifapi_msg *netifapimsg;
+#endif /* LWIP_NETIF_API */
+    struct {
+      struct pbuf *p;
+      struct netif *netif;
+    } inp;
+    struct {
+      tcpip_callback_fn function;
+      void *ctx;
+    } cb;
+#if LWIP_TCPIP_TIMEOUT
+    struct {
+      u32_t msecs;
+      sys_timeout_handler h;
+      void *arg;
+    } tmo;
+#endif /* LWIP_TCPIP_TIMEOUT */
+  } msg;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !NO_SYS */
+
+#endif /* __LWIP_TCPIP_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/timers.h b/libraries/net/lwip/lwip/include/lwip/timers.h
new file mode 100644
index 0000000000..fb92b4b47c
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/timers.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *         Simon Goldschmidt
+ *
+ */
+#ifndef __LWIP_TIMERS_H__
+#define __LWIP_TIMERS_H__
+
+#include "lwip/opt.h"
+
+/* Timers are not supported when NO_SYS==1 and NO_SYS_NO_TIMERS==1 */
+#define LWIP_TIMERS (!NO_SYS || (NO_SYS && !NO_SYS_NO_TIMERS))
+
+#if LWIP_TIMERS
+
+#include "lwip/err.h"
+#include "lwip/sys.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef LWIP_DEBUG_TIMERNAMES
+#ifdef LWIP_DEBUG
+#define LWIP_DEBUG_TIMERNAMES SYS_DEBUG
+#else /* LWIP_DEBUG */
+#define LWIP_DEBUG_TIMERNAMES 0
+#endif /* LWIP_DEBUG*/
+#endif
+
+/** Function prototype for a timeout callback function. Register such a function
+ * using sys_timeout().
+ *
+ * @param arg Additional argument to pass to the function - set up by sys_timeout()
+ */
+typedef void (* sys_timeout_handler)(void *arg);
+
+struct sys_timeo {
+  struct sys_timeo *next;
+  u32_t time;
+  sys_timeout_handler h;
+  void *arg;
+#if LWIP_DEBUG_TIMERNAMES
+  const char* handler_name;
+#endif /* LWIP_DEBUG_TIMERNAMES */
+};
+
+void sys_timeouts_init(void);
+
+#if LWIP_DEBUG_TIMERNAMES
+void sys_timeout_debug(u32_t msecs, sys_timeout_handler handler, void *arg, const char* handler_name);
+#define sys_timeout(msecs, handler, arg) sys_timeout_debug(msecs, handler, arg, #handler)
+#else /* LWIP_DEBUG_TIMERNAMES */
+void sys_timeout(u32_t msecs, sys_timeout_handler handler, void *arg);
+#endif /* LWIP_DEBUG_TIMERNAMES */
+
+void sys_untimeout(sys_timeout_handler handler, void *arg);
+#if NO_SYS
+void sys_check_timeouts(void);
+void sys_restart_timeouts(void);
+#else /* NO_SYS */
+void sys_timeouts_mbox_fetch(sys_mbox_t *mbox, void **msg);
+#endif /* NO_SYS */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_TIMERS */
+#endif /* __LWIP_TIMERS_H__ */
diff --git a/libraries/net/lwip/lwip/include/lwip/udp.h b/libraries/net/lwip/lwip/include/lwip/udp.h
new file mode 100644
index 0000000000..c98c1b3ec1
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/lwip/udp.h
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __LWIP_UDP_H__
+#define __LWIP_UDP_H__
+
+#include "lwip/opt.h"
+
+#if LWIP_UDP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/pbuf.h"
+#include "lwip/netif.h"
+#include "lwip/ip_addr.h"
+#include "lwip/ip.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define UDP_HLEN 8
+
+/* Fields are (of course) in network byte order. */
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+struct udp_hdr {
+  PACK_STRUCT_FIELD(u16_t src);
+  PACK_STRUCT_FIELD(u16_t dest);  /* src/dest UDP ports */
+  PACK_STRUCT_FIELD(u16_t len);
+  PACK_STRUCT_FIELD(u16_t chksum);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+#define UDP_FLAGS_NOCHKSUM       0x01U
+#define UDP_FLAGS_UDPLITE        0x02U
+#define UDP_FLAGS_CONNECTED      0x04U
+#define UDP_FLAGS_MULTICAST_LOOP 0x08U
+
+struct udp_pcb;
+
+/** Function prototype for udp pcb receive callback functions
+ * addr and port are in same byte order as in the pcb
+ * The callback is responsible for freeing the pbuf
+ * if it's not used any more.
+ *
+ * ATTENTION: Be aware that 'addr' points into the pbuf 'p' so freeing this pbuf
+ *            makes 'addr' invalid, too.
+ *
+ * @param arg user supplied argument (udp_pcb.recv_arg)
+ * @param pcb the udp_pcb which received data
+ * @param p the packet buffer that was received
+ * @param addr the remote IP address from which the packet was received
+ * @param port the remote port from which the packet was received
+ */
+typedef void (*udp_recv_fn)(void *arg, struct udp_pcb *pcb, struct pbuf *p,
+    ip_addr_t *addr, u16_t port);
+
+
+struct udp_pcb {
+/* Common members of all PCB types */
+  IP_PCB;
+
+/* Protocol specific PCB members */
+
+  struct udp_pcb *next;
+
+  u8_t flags;
+  /** ports are in host byte order */
+  u16_t local_port, remote_port;
+
+#if LWIP_IGMP
+  /** outgoing network interface for multicast packets */
+  ip_addr_t multicast_ip;
+#endif /* LWIP_IGMP */
+
+#if LWIP_UDPLITE
+  /** used for UDP_LITE only */
+  u16_t chksum_len_rx, chksum_len_tx;
+#endif /* LWIP_UDPLITE */
+
+  /** receive callback function */
+  udp_recv_fn recv;
+  /** user-supplied argument for the recv callback */
+  void *recv_arg;  
+};
+/* udp_pcbs export for exernal reference (e.g. SNMP agent) */
+extern struct udp_pcb *udp_pcbs;
+
+/* The following functions is the application layer interface to the
+   UDP code. */
+struct udp_pcb * udp_new        (void);
+void             udp_remove     (struct udp_pcb *pcb);
+err_t            udp_bind       (struct udp_pcb *pcb, ip_addr_t *ipaddr,
+                                 u16_t port);
+err_t            udp_connect    (struct udp_pcb *pcb, ip_addr_t *ipaddr,
+                                 u16_t port);
+void             udp_disconnect (struct udp_pcb *pcb);
+void             udp_recv       (struct udp_pcb *pcb, udp_recv_fn recv,
+                                 void *recv_arg);
+err_t            udp_sendto_if  (struct udp_pcb *pcb, struct pbuf *p,
+                                 ip_addr_t *dst_ip, u16_t dst_port,
+                                 struct netif *netif);
+err_t            udp_sendto     (struct udp_pcb *pcb, struct pbuf *p,
+                                 ip_addr_t *dst_ip, u16_t dst_port);
+err_t            udp_send       (struct udp_pcb *pcb, struct pbuf *p);
+
+#if LWIP_CHECKSUM_ON_COPY
+err_t            udp_sendto_if_chksum(struct udp_pcb *pcb, struct pbuf *p,
+                                 ip_addr_t *dst_ip, u16_t dst_port,
+                                 struct netif *netif, u8_t have_chksum,
+                                 u16_t chksum);
+err_t            udp_sendto_chksum(struct udp_pcb *pcb, struct pbuf *p,
+                                 ip_addr_t *dst_ip, u16_t dst_port,
+                                 u8_t have_chksum, u16_t chksum);
+err_t            udp_send_chksum(struct udp_pcb *pcb, struct pbuf *p,
+                                 u8_t have_chksum, u16_t chksum);
+#endif /* LWIP_CHECKSUM_ON_COPY */
+
+#define          udp_flags(pcb) ((pcb)->flags)
+#define          udp_setflags(pcb, f)  ((pcb)->flags = (f))
+
+/* The following functions are the lower layer interface to UDP. */
+void             udp_input      (struct pbuf *p, struct netif *inp);
+
+#define udp_init() /* Compatibility define, not init needed. */
+
+#if UDP_DEBUG
+void udp_debug_print(struct udp_hdr *udphdr);
+#else
+#define udp_debug_print(udphdr)
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_UDP */
+
+#endif /* __LWIP_UDP_H__ */
diff --git a/libraries/net/lwip/lwip/include/netif/etharp.h b/libraries/net/lwip/lwip/include/netif/etharp.h
new file mode 100644
index 0000000000..82c9f20dd9
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/netif/etharp.h
@@ -0,0 +1,221 @@
+/*
+ * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
+ * Copyright (c) 2003-2004 Leon Woestenberg 
+ * Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+
+#ifndef __NETIF_ETHARP_H__
+#define __NETIF_ETHARP_H__
+
+#include "lwip/opt.h"
+
+#if LWIP_ARP || LWIP_ETHERNET /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/pbuf.h"
+#include "lwip/ip_addr.h"
+#include "lwip/netif.h"
+#include "lwip/ip.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef ETHARP_HWADDR_LEN
+#define ETHARP_HWADDR_LEN     6
+#endif
+
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+struct eth_addr {
+  PACK_STRUCT_FIELD(u8_t addr[ETHARP_HWADDR_LEN]);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+/** Ethernet header */
+struct eth_hdr {
+#if ETH_PAD_SIZE
+  PACK_STRUCT_FIELD(u8_t padding[ETH_PAD_SIZE]);
+#endif
+  PACK_STRUCT_FIELD(struct eth_addr dest);
+  PACK_STRUCT_FIELD(struct eth_addr src);
+  PACK_STRUCT_FIELD(u16_t type);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+#define SIZEOF_ETH_HDR (14 + ETH_PAD_SIZE)
+
+#if ETHARP_SUPPORT_VLAN
+
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+/** VLAN header inserted between ethernet header and payload
+ * if 'type' in ethernet header is ETHTYPE_VLAN.
+ * See IEEE802.Q */
+struct eth_vlan_hdr {
+  PACK_STRUCT_FIELD(u16_t prio_vid);
+  PACK_STRUCT_FIELD(u16_t tpid);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+#define SIZEOF_VLAN_HDR 4
+#define VLAN_ID(vlan_hdr) (htons((vlan_hdr)->prio_vid) & 0xFFF)
+
+#endif /* ETHARP_SUPPORT_VLAN */
+
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+/** the ARP message, see RFC 826 ("Packet format") */
+struct etharp_hdr {
+  PACK_STRUCT_FIELD(u16_t hwtype);
+  PACK_STRUCT_FIELD(u16_t proto);
+  PACK_STRUCT_FIELD(u8_t  hwlen);
+  PACK_STRUCT_FIELD(u8_t  protolen);
+  PACK_STRUCT_FIELD(u16_t opcode);
+  PACK_STRUCT_FIELD(struct eth_addr shwaddr);
+  PACK_STRUCT_FIELD(struct ip_addr2 sipaddr);
+  PACK_STRUCT_FIELD(struct eth_addr dhwaddr);
+  PACK_STRUCT_FIELD(struct ip_addr2 dipaddr);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+#define SIZEOF_ETHARP_HDR 28
+#define SIZEOF_ETHARP_PACKET (SIZEOF_ETH_HDR + SIZEOF_ETHARP_HDR)
+
+/** 5 seconds period */
+#define ARP_TMR_INTERVAL 5000
+
+#define ETHTYPE_ARP       0x0806U
+#define ETHTYPE_IP        0x0800U
+#define ETHTYPE_VLAN      0x8100U
+#define ETHTYPE_PPPOEDISC 0x8863U  /* PPP Over Ethernet Discovery Stage */
+#define ETHTYPE_PPPOE     0x8864U  /* PPP Over Ethernet Session Stage */
+
+/** MEMCPY-like macro to copy to/from struct eth_addr's that are local variables
+ * or known to be 32-bit aligned within the protocol header. */
+#ifndef ETHADDR32_COPY
+#define ETHADDR32_COPY(src, dst)  SMEMCPY(src, dst, ETHARP_HWADDR_LEN)
+#endif
+
+/** MEMCPY-like macro to copy to/from struct eth_addr's that are no local
+ * variables and known to be 16-bit aligned within the protocol header. */
+#ifndef ETHADDR16_COPY
+#define ETHADDR16_COPY(src, dst)  SMEMCPY(src, dst, ETHARP_HWADDR_LEN)
+#endif
+
+#if LWIP_ARP /* don't build if not configured for use in lwipopts.h */
+
+/** ARP message types (opcodes) */
+#define ARP_REQUEST 1
+#define ARP_REPLY   2
+
+/** Define this to 1 and define LWIP_ARP_FILTER_NETIF_FN(pbuf, netif, type)
+ * to a filter function that returns the correct netif when using multiple
+ * netifs on one hardware interface where the netif's low-level receive
+ * routine cannot decide for the correct netif (e.g. when mapping multiple
+ * IP addresses to one hardware interface).
+ */
+#ifndef LWIP_ARP_FILTER_NETIF
+#define LWIP_ARP_FILTER_NETIF 0
+#endif
+
+#if ARP_QUEUEING
+/** struct for queueing outgoing packets for unknown address
+  * defined here to be accessed by memp.h
+  */
+struct etharp_q_entry {
+  struct etharp_q_entry *next;
+  struct pbuf *p;
+};
+#endif /* ARP_QUEUEING */
+
+#define etharp_init() /* Compatibility define, not init needed. */
+void etharp_tmr(void);
+s8_t etharp_find_addr(struct netif *netif, ip_addr_t *ipaddr,
+         struct eth_addr **eth_ret, ip_addr_t **ip_ret);
+err_t etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr);
+err_t etharp_query(struct netif *netif, ip_addr_t *ipaddr, struct pbuf *q);
+err_t etharp_request(struct netif *netif, ip_addr_t *ipaddr);
+/** For Ethernet network interfaces, we might want to send "gratuitous ARP";
+ *  this is an ARP packet sent by a node in order to spontaneously cause other
+ *  nodes to update an entry in their ARP cache.
+ *  From RFC 3220 "IP Mobility Support for IPv4" section 4.6. */
+#define etharp_gratuitous(netif) etharp_request((netif), &(netif)->ip_addr)
+
+#if ETHARP_SUPPORT_STATIC_ENTRIES
+err_t etharp_add_static_entry(ip_addr_t *ipaddr, struct eth_addr *ethaddr);
+err_t etharp_remove_static_entry(ip_addr_t *ipaddr);
+#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */
+
+#if LWIP_AUTOIP
+err_t etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr,
+                 const struct eth_addr *ethdst_addr,
+                 const struct eth_addr *hwsrc_addr, const ip_addr_t *ipsrc_addr,
+                 const struct eth_addr *hwdst_addr, const ip_addr_t *ipdst_addr,
+                 const u16_t opcode);
+#endif /* LWIP_AUTOIP */
+
+#endif /* LWIP_ARP */
+
+err_t ethernet_input(struct pbuf *p, struct netif *netif);
+
+#define eth_addr_cmp(addr1, addr2) (memcmp((addr1)->addr, (addr2)->addr, ETHARP_HWADDR_LEN) == 0)
+
+extern const struct eth_addr ethbroadcast, ethzero;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_ARP || LWIP_ETHERNET */
+
+#endif /* __NETIF_ARP_H__ */
diff --git a/libraries/net/lwip/lwip/include/netif/ppp_oe.h b/libraries/net/lwip/lwip/include/netif/ppp_oe.h
new file mode 100644
index 0000000000..e1cdfa5199
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/netif/ppp_oe.h
@@ -0,0 +1,190 @@
+/*****************************************************************************
+* ppp_oe.h - PPP Over Ethernet implementation for lwIP.
+*
+* Copyright (c) 2006 by Marc Boucher, Services Informatiques (MBSI) inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 06-01-01 Marc Boucher 
+*   Ported to lwIP.
+*****************************************************************************/
+
+
+
+/* based on NetBSD: if_pppoe.c,v 1.64 2006/01/31 23:50:15 martin Exp */
+
+/*-
+ * Copyright (c) 2002 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Martin Husemann .
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef PPP_OE_H
+#define PPP_OE_H
+
+#include "lwip/opt.h"
+
+#if PPPOE_SUPPORT > 0
+
+#include "netif/etharp.h"
+
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+struct pppoehdr {
+  PACK_STRUCT_FIELD(u8_t vertype);
+  PACK_STRUCT_FIELD(u8_t code);
+  PACK_STRUCT_FIELD(u16_t session);
+  PACK_STRUCT_FIELD(u16_t plen);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/bpstruct.h"
+#endif
+PACK_STRUCT_BEGIN
+struct pppoetag {
+  PACK_STRUCT_FIELD(u16_t tag);
+  PACK_STRUCT_FIELD(u16_t len);
+} PACK_STRUCT_STRUCT;
+PACK_STRUCT_END
+#ifdef PACK_STRUCT_USE_INCLUDES
+#  include "arch/epstruct.h"
+#endif
+
+
+#define PPPOE_STATE_INITIAL   0
+#define PPPOE_STATE_PADI_SENT 1
+#define PPPOE_STATE_PADR_SENT 2
+#define PPPOE_STATE_SESSION   3
+#define PPPOE_STATE_CLOSING   4
+/* passive */
+#define PPPOE_STATE_PADO_SENT 1
+
+#define PPPOE_HEADERLEN       sizeof(struct pppoehdr)
+#define PPPOE_VERTYPE         0x11    /* VER=1, TYPE = 1 */
+
+#define PPPOE_TAG_EOL         0x0000  /* end of list */
+#define PPPOE_TAG_SNAME       0x0101  /* service name */
+#define PPPOE_TAG_ACNAME      0x0102  /* access concentrator name */
+#define PPPOE_TAG_HUNIQUE     0x0103  /* host unique */
+#define PPPOE_TAG_ACCOOKIE    0x0104  /* AC cookie */
+#define PPPOE_TAG_VENDOR      0x0105  /* vendor specific */
+#define PPPOE_TAG_RELAYSID    0x0110  /* relay session id */
+#define PPPOE_TAG_SNAME_ERR   0x0201  /* service name error */
+#define PPPOE_TAG_ACSYS_ERR   0x0202  /* AC system error */
+#define PPPOE_TAG_GENERIC_ERR 0x0203  /* gerneric error */
+
+#define PPPOE_CODE_PADI       0x09    /* Active Discovery Initiation */
+#define PPPOE_CODE_PADO       0x07    /* Active Discovery Offer */
+#define PPPOE_CODE_PADR       0x19    /* Active Discovery Request */
+#define PPPOE_CODE_PADS       0x65    /* Active Discovery Session confirmation */
+#define PPPOE_CODE_PADT       0xA7    /* Active Discovery Terminate */
+
+#ifndef ETHERMTU
+#define ETHERMTU 1500
+#endif
+
+/* two byte PPP protocol discriminator, then IP data */
+#define PPPOE_MAXMTU          (ETHERMTU-PPPOE_HEADERLEN-2)
+
+#ifndef PPPOE_MAX_AC_COOKIE_LEN
+#define PPPOE_MAX_AC_COOKIE_LEN   64
+#endif
+
+struct pppoe_softc {
+  struct pppoe_softc *next;
+  struct netif *sc_ethif;      /* ethernet interface we are using */
+  int sc_pd;                   /* ppp unit number */
+  void (*sc_linkStatusCB)(int pd, int up);
+
+  int sc_state;                /* discovery phase or session connected */
+  struct eth_addr sc_dest;     /* hardware address of concentrator */
+  u16_t sc_session;            /* PPPoE session id */
+
+#ifdef PPPOE_TODO
+  char *sc_service_name;       /* if != NULL: requested name of service */
+  char *sc_concentrator_name;  /* if != NULL: requested concentrator id */
+#endif /* PPPOE_TODO */
+  u8_t sc_ac_cookie[PPPOE_MAX_AC_COOKIE_LEN]; /* content of AC cookie we must echo back */
+  size_t sc_ac_cookie_len;     /* length of cookie data */
+#ifdef PPPOE_SERVER
+  u8_t *sc_hunique;            /* content of host unique we must echo back */
+  size_t sc_hunique_len;       /* length of host unique */
+#endif
+  int sc_padi_retried;         /* number of PADI retries already done */
+  int sc_padr_retried;         /* number of PADR retries already done */
+};
+
+
+#define pppoe_init() /* compatibility define, no initialization needed */
+
+err_t pppoe_create(struct netif *ethif, int pd, void (*linkStatusCB)(int pd, int up), struct pppoe_softc **scptr);
+err_t pppoe_destroy(struct netif *ifp);
+
+int pppoe_connect(struct pppoe_softc *sc);
+void pppoe_disconnect(struct pppoe_softc *sc);
+
+void pppoe_disc_input(struct netif *netif, struct pbuf *p);
+void pppoe_data_input(struct netif *netif, struct pbuf *p);
+
+err_t pppoe_xmit(struct pppoe_softc *sc, struct pbuf *pb);
+
+/** used in ppp.c */
+#define PPPOE_HDRLEN (sizeof(struct eth_hdr) + PPPOE_HEADERLEN)
+
+#endif /* PPPOE_SUPPORT */
+
+#endif /* PPP_OE_H */
diff --git a/libraries/net/lwip/lwip/include/netif/slipif.h b/libraries/net/lwip/lwip/include/netif/slipif.h
new file mode 100644
index 0000000000..ccd03c8a16
--- /dev/null
+++ b/libraries/net/lwip/lwip/include/netif/slipif.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2001, Swedish Institute of Computer Science.
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+#ifndef __NETIF_SLIPIF_H__
+#define __NETIF_SLIPIF_H__
+
+#include "lwip/netif.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+err_t slipif_init(struct netif * netif);
+void slipif_poll(struct netif *netif);
+
+#ifdef __cplusplus
+}
+#endif
+ 
+#endif 
+
diff --git a/libraries/net/lwip/lwip/lwipopts.h b/libraries/net/lwip/lwip/lwipopts.h
new file mode 100644
index 0000000000..2454ef6aff
--- /dev/null
+++ b/libraries/net/lwip/lwip/lwipopts.h
@@ -0,0 +1,142 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef LWIPOPTS_H
+#define LWIPOPTS_H
+
+#include "lwipopts_conf.h"
+
+// Operating System 
+#define NO_SYS                      0
+
+#if NO_SYS == 0
+#include "cmsis_os.h"
+
+#define LWIP_RAW                    0
+
+#define TCPIP_MBOX_SIZE             6
+#define DEFAULT_TCP_RECVMBOX_SIZE   6
+#define DEFAULT_UDP_RECVMBOX_SIZE   6
+#define DEFAULT_RAW_RECVMBOX_SIZE   6
+#define DEFAULT_ACCEPTMBOX_SIZE     6
+
+#define TCPIP_THREAD_STACKSIZE      1024
+#define TCPIP_THREAD_PRIO           1
+
+#define DEFAULT_THREAD_STACKSIZE    512
+
+#define MEMP_NUM_SYS_TIMEOUT        16
+#endif
+
+// 32-bit alignment
+#define MEM_ALIGNMENT               4
+
+#define MEM_SIZE                    16362
+
+#define PBUF_POOL_SIZE              5
+#define MEMP_NUM_TCP_PCB_LISTEN     4
+#define MEMP_NUM_TCP_PCB            4
+#define MEMP_NUM_PBUF               8
+
+#define TCP_QUEUE_OOSEQ             0
+#define TCP_OVERSIZE                0
+
+#define LWIP_DHCP                   1
+#define LWIP_DNS                    1
+
+#define LWIP_COMPAT_SOCKETS         0
+#define LWIP_POSIX_SOCKETS_IO_NAMES 0
+#define LWIP_SO_RCVTIMEO            1
+#define LWIP_TCP_KEEPALIVE          1
+
+// Debug Options
+// #define LWIP_DEBUG
+#define UDP_LPC_EMAC                LWIP_DBG_OFF
+#define SYS_DEBUG                   LWIP_DBG_OFF
+#define PPP_DEBUG                   LWIP_DBG_OFF
+#define IP_DEBUG                    LWIP_DBG_OFF
+#define MEM_DEBUG                   LWIP_DBG_OFF
+#define MEMP_DEBUG                  LWIP_DBG_OFF
+#define PBUF_DEBUG                  LWIP_DBG_OFF
+#define API_LIB_DEBUG               LWIP_DBG_OFF
+#define API_MSG_DEBUG               LWIP_DBG_OFF
+#define TCPIP_DEBUG                 LWIP_DBG_OFF
+#define SOCKETS_DEBUG               LWIP_DBG_OFF
+#define TCP_DEBUG                   LWIP_DBG_OFF
+#define TCP_INPUT_DEBUG             LWIP_DBG_OFF
+#define TCP_FR_DEBUG                LWIP_DBG_OFF
+#define TCP_RTO_DEBUG               LWIP_DBG_OFF
+#define TCP_CWND_DEBUG              LWIP_DBG_OFF
+#define TCP_WND_DEBUG               LWIP_DBG_OFF
+#define TCP_OUTPUT_DEBUG            LWIP_DBG_OFF
+#define TCP_RST_DEBUG               LWIP_DBG_OFF
+#define TCP_QLEN_DEBUG              LWIP_DBG_OFF
+#define ETHARP_DEBUG                LWIP_DBG_OFF
+#define NETIF_DEBUG                 LWIP_DBG_OFF
+#define DHCP_DEBUG                  LWIP_DBG_OFF
+
+#ifdef LWIP_DEBUG
+#define MEMP_OVERFLOW_CHECK         1
+#define MEMP_SANITY_CHECK           1
+#else
+#define LWIP_STATS                  0
+#endif
+
+#define LWIP_PLATFORM_BYTESWAP      1
+
+#if LWIP_TRANSPORT_ETHERNET
+
+/* MSS should match the hardware packet size */
+#define TCP_MSS                     1460
+#define TCP_SND_BUF                 (2 * TCP_MSS)
+#define TCP_WND                     (2 * TCP_MSS)
+#define TCP_SND_QUEUELEN            (2 * TCP_SND_BUF/TCP_MSS)
+
+// Broadcast
+#define IP_SOF_BROADCAST            1
+#define IP_SOF_BROADCAST_RECV       1
+
+#define LWIP_BROADCAST_PING         1
+
+#define LWIP_CHECKSUM_ON_COPY       1
+
+#define LWIP_NETIF_HOSTNAME         1
+#define LWIP_NETIF_STATUS_CALLBACK  1
+#define LWIP_NETIF_LINK_CALLBACK    1
+
+#elif LWIP_TRANSPORT_PPP
+
+#define TCP_SND_BUF                     (3 * 536)
+#define TCP_WND                         (2 * 536)
+
+#define LWIP_ARP 0
+
+#define PPP_SUPPORT 1
+#define CHAP_SUPPORT                    1
+#define PAP_SUPPORT                     1
+#define PPP_THREAD_STACKSIZE            4*192
+#define PPP_THREAD_PRIO 0
+
+#define MAXNAMELEN                      64     /* max length of hostname or name for auth */
+#define MAXSECRETLEN                    64
+
+#else
+#error A transport mechanism (Ethernet or PPP) must be defined
+#endif
+
+#endif /* LWIPOPTS_H_ */
diff --git a/libraries/net/lwip/lwip/netif/etharp.c b/libraries/net/lwip/lwip/netif/etharp.c
new file mode 100644
index 0000000000..b60dadd024
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/etharp.c
@@ -0,0 +1,1318 @@
+/**
+ * @file
+ * Address Resolution Protocol module for IP over Ethernet
+ *
+ * Functionally, ARP is divided into two parts. The first maps an IP address
+ * to a physical address when sending a packet, and the second part answers
+ * requests from other machines for our physical address.
+ *
+ * This implementation complies with RFC 826 (Ethernet ARP). It supports
+ * Gratuitious ARP from RFC3220 (IP Mobility Support for IPv4) section 4.6
+ * if an interface calls etharp_gratuitous(our_netif) upon address change.
+ */
+
+/*
+ * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
+ * Copyright (c) 2003-2004 Leon Woestenberg 
+ * Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ */
+ 
+#include "lwip/opt.h"
+
+#if LWIP_ARP || LWIP_ETHERNET
+
+#include "lwip/ip_addr.h"
+#include "lwip/def.h"
+#include "lwip/ip.h"
+#include "lwip/stats.h"
+#include "lwip/snmp.h"
+#include "lwip/dhcp.h"
+#include "lwip/autoip.h"
+#include "netif/etharp.h"
+
+#if PPPOE_SUPPORT
+#include "netif/ppp_oe.h"
+#endif /* PPPOE_SUPPORT */
+
+#include 
+
+const struct eth_addr ethbroadcast = {{0xff,0xff,0xff,0xff,0xff,0xff}};
+const struct eth_addr ethzero = {{0,0,0,0,0,0}};
+
+#if LWIP_ARP /* don't build if not configured for use in lwipopts.h */
+
+/** the time an ARP entry stays valid after its last update,
+ *  for ARP_TMR_INTERVAL = 5000, this is
+ *  (240 * 5) seconds = 20 minutes.
+ */
+#define ARP_MAXAGE 240
+/** the time an ARP entry stays pending after first request,
+ *  for ARP_TMR_INTERVAL = 5000, this is
+ *  (2 * 5) seconds = 10 seconds.
+ * 
+ *  @internal Keep this number at least 2, otherwise it might
+ *  run out instantly if the timeout occurs directly after a request.
+ */
+#define ARP_MAXPENDING 2
+
+#define HWTYPE_ETHERNET 1
+
+enum etharp_state {
+  ETHARP_STATE_EMPTY = 0,
+  ETHARP_STATE_PENDING,
+  ETHARP_STATE_STABLE
+};
+
+struct etharp_entry {
+#if ARP_QUEUEING
+  /** Pointer to queue of pending outgoing packets on this ARP entry. */
+  struct etharp_q_entry *q;
+#else /* ARP_QUEUEING */
+  /** Pointer to a single pending outgoing packet on this ARP entry. */
+  struct pbuf *q;
+#endif /* ARP_QUEUEING */
+  ip_addr_t ipaddr;
+  struct eth_addr ethaddr;
+#if LWIP_SNMP
+  struct netif *netif;
+#endif /* LWIP_SNMP */
+  u8_t state;
+  u8_t ctime;
+#if ETHARP_SUPPORT_STATIC_ENTRIES
+  u8_t static_entry;
+#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */
+};
+
+static struct etharp_entry arp_table[ARP_TABLE_SIZE];
+
+#if !LWIP_NETIF_HWADDRHINT
+static u8_t etharp_cached_entry;
+#endif /* !LWIP_NETIF_HWADDRHINT */
+
+/** Try hard to create a new entry - we want the IP address to appear in
+    the cache (even if this means removing an active entry or so). */
+#define ETHARP_FLAG_TRY_HARD     1
+#define ETHARP_FLAG_FIND_ONLY    2
+#define ETHARP_FLAG_STATIC_ENTRY 4
+
+#if LWIP_NETIF_HWADDRHINT
+#define ETHARP_SET_HINT(netif, hint)  if (((netif) != NULL) && ((netif)->addr_hint != NULL))  \
+                                      *((netif)->addr_hint) = (hint);
+#else /* LWIP_NETIF_HWADDRHINT */
+#define ETHARP_SET_HINT(netif, hint)  (etharp_cached_entry = (hint))
+#endif /* LWIP_NETIF_HWADDRHINT */
+
+static err_t update_arp_entry(struct netif *netif, ip_addr_t *ipaddr, struct eth_addr *ethaddr, u8_t flags);
+
+
+/* Some checks, instead of etharp_init(): */
+#if (LWIP_ARP && (ARP_TABLE_SIZE > 0x7f))
+  #error "ARP_TABLE_SIZE must fit in an s8_t, you have to reduce it in your lwipopts.h"
+#endif
+
+
+#if ARP_QUEUEING
+/**
+ * Free a complete queue of etharp entries
+ *
+ * @param q a qeueue of etharp_q_entry's to free
+ */
+static void
+free_etharp_q(struct etharp_q_entry *q)
+{
+  struct etharp_q_entry *r;
+  LWIP_ASSERT("q != NULL", q != NULL);
+  LWIP_ASSERT("q->p != NULL", q->p != NULL);
+  while (q) {
+    r = q;
+    q = q->next;
+    LWIP_ASSERT("r->p != NULL", (r->p != NULL));
+    pbuf_free(r->p);
+    memp_free(MEMP_ARP_QUEUE, r);
+  }
+}
+#else /* ARP_QUEUEING */
+
+/** Compatibility define: free the queued pbuf */
+#define free_etharp_q(q) pbuf_free(q)
+
+#endif /* ARP_QUEUEING */
+
+/** Clean up ARP table entries */
+static void
+free_entry(int i)
+{
+  /* remove from SNMP ARP index tree */
+  snmp_delete_arpidx_tree(arp_table[i].netif, &arp_table[i].ipaddr);
+  /* and empty packet queue */
+  if (arp_table[i].q != NULL) {
+    /* remove all queued packets */
+    LWIP_DEBUGF(ETHARP_DEBUG, ("etharp_timer: freeing entry %"U16_F", packet queue %p.\n", (u16_t)i, (void *)(arp_table[i].q)));
+    free_etharp_q(arp_table[i].q);
+    arp_table[i].q = NULL;
+  }
+  /* recycle entry for re-use */      
+  arp_table[i].state = ETHARP_STATE_EMPTY;
+#if ETHARP_SUPPORT_STATIC_ENTRIES
+  arp_table[i].static_entry = 0;
+#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */
+#ifdef LWIP_DEBUG
+  /* for debugging, clean out the complete entry */
+  arp_table[i].ctime = 0;
+#if LWIP_SNMP
+  arp_table[i].netif = NULL;
+#endif /* LWIP_SNMP */
+  ip_addr_set_zero(&arp_table[i].ipaddr);
+  arp_table[i].ethaddr = ethzero;
+#endif /* LWIP_DEBUG */
+}
+
+/**
+ * Clears expired entries in the ARP table.
+ *
+ * This function should be called every ETHARP_TMR_INTERVAL milliseconds (5 seconds),
+ * in order to expire entries in the ARP table.
+ */
+void
+etharp_tmr(void)
+{
+  u8_t i;
+
+  LWIP_DEBUGF(ETHARP_DEBUG, ("etharp_timer\n"));
+  /* remove expired entries from the ARP table */
+  for (i = 0; i < ARP_TABLE_SIZE; ++i) {
+    u8_t state = arp_table[i].state;
+    if (state != ETHARP_STATE_EMPTY
+#if ETHARP_SUPPORT_STATIC_ENTRIES
+      && (arp_table[i].static_entry == 0)
+#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */
+      ) {
+      arp_table[i].ctime++;
+      if ((arp_table[i].ctime >= ARP_MAXAGE) ||
+          ((arp_table[i].state == ETHARP_STATE_PENDING)  &&
+           (arp_table[i].ctime >= ARP_MAXPENDING))) {
+        /* pending or stable entry has become old! */
+        LWIP_DEBUGF(ETHARP_DEBUG, ("etharp_timer: expired %s entry %"U16_F".\n",
+             arp_table[i].state == ETHARP_STATE_STABLE ? "stable" : "pending", (u16_t)i));
+        /* clean up entries that have just been expired */
+        free_entry(i);
+      }
+#if ARP_QUEUEING
+      /* still pending entry? (not expired) */
+      if (arp_table[i].state == ETHARP_STATE_PENDING) {
+        /* resend an ARP query here? */
+      }
+#endif /* ARP_QUEUEING */
+    }
+  }
+}
+
+/**
+ * Search the ARP table for a matching or new entry.
+ * 
+ * If an IP address is given, return a pending or stable ARP entry that matches
+ * the address. If no match is found, create a new entry with this address set,
+ * but in state ETHARP_EMPTY. The caller must check and possibly change the
+ * state of the returned entry.
+ * 
+ * If ipaddr is NULL, return a initialized new entry in state ETHARP_EMPTY.
+ * 
+ * In all cases, attempt to create new entries from an empty entry. If no
+ * empty entries are available and ETHARP_FLAG_TRY_HARD flag is set, recycle
+ * old entries. Heuristic choose the least important entry for recycling.
+ *
+ * @param ipaddr IP address to find in ARP cache, or to add if not found.
+ * @param flags @see definition of ETHARP_FLAG_*
+ * @param netif netif related to this address (used for NETIF_HWADDRHINT)
+ *  
+ * @return The ARP entry index that matched or is created, ERR_MEM if no
+ * entry is found or could be recycled.
+ */
+static s8_t
+find_entry(ip_addr_t *ipaddr, u8_t flags)
+{
+  s8_t old_pending = ARP_TABLE_SIZE, old_stable = ARP_TABLE_SIZE;
+  s8_t empty = ARP_TABLE_SIZE;
+  u8_t i = 0, age_pending = 0, age_stable = 0;
+  /* oldest entry with packets on queue */
+  s8_t old_queue = ARP_TABLE_SIZE;
+  /* its age */
+  u8_t age_queue = 0;
+
+  /**
+   * a) do a search through the cache, remember candidates
+   * b) select candidate entry
+   * c) create new entry
+   */
+
+  /* a) in a single search sweep, do all of this
+   * 1) remember the first empty entry (if any)
+   * 2) remember the oldest stable entry (if any)
+   * 3) remember the oldest pending entry without queued packets (if any)
+   * 4) remember the oldest pending entry with queued packets (if any)
+   * 5) search for a matching IP entry, either pending or stable
+   *    until 5 matches, or all entries are searched for.
+   */
+
+  for (i = 0; i < ARP_TABLE_SIZE; ++i) {
+    u8_t state = arp_table[i].state;
+    /* no empty entry found yet and now we do find one? */
+    if ((empty == ARP_TABLE_SIZE) && (state == ETHARP_STATE_EMPTY)) {
+      LWIP_DEBUGF(ETHARP_DEBUG, ("find_entry: found empty entry %"U16_F"\n", (u16_t)i));
+      /* remember first empty entry */
+      empty = i;
+    } else if (state != ETHARP_STATE_EMPTY) {
+      LWIP_ASSERT("state == ETHARP_STATE_PENDING || state == ETHARP_STATE_STABLE",
+        state == ETHARP_STATE_PENDING || state == ETHARP_STATE_STABLE);
+      /* if given, does IP address match IP address in ARP entry? */
+      if (ipaddr && ip_addr_cmp(ipaddr, &arp_table[i].ipaddr)) {
+        LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: found matching entry %"U16_F"\n", (u16_t)i));
+        /* found exact IP address match, simply bail out */
+        return i;
+      }
+      /* pending entry? */
+      if (state == ETHARP_STATE_PENDING) {
+        /* pending with queued packets? */
+        if (arp_table[i].q != NULL) {
+          if (arp_table[i].ctime >= age_queue) {
+            old_queue = i;
+            age_queue = arp_table[i].ctime;
+          }
+        } else
+        /* pending without queued packets? */
+        {
+          if (arp_table[i].ctime >= age_pending) {
+            old_pending = i;
+            age_pending = arp_table[i].ctime;
+          }
+        }
+      /* stable entry? */
+      } else if (state == ETHARP_STATE_STABLE) {
+#if ETHARP_SUPPORT_STATIC_ENTRIES
+        /* don't record old_stable for static entries since they never expire */
+        if (arp_table[i].static_entry == 0)
+#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */
+        {
+          /* remember entry with oldest stable entry in oldest, its age in maxtime */
+          if (arp_table[i].ctime >= age_stable) {
+            old_stable = i;
+            age_stable = arp_table[i].ctime;
+          }
+        }
+      }
+    }
+  }
+  /* { we have no match } => try to create a new entry */
+   
+  /* don't create new entry, only search? */
+  if (((flags & ETHARP_FLAG_FIND_ONLY) != 0) ||
+      /* or no empty entry found and not allowed to recycle? */
+      ((empty == ARP_TABLE_SIZE) && ((flags & ETHARP_FLAG_TRY_HARD) == 0))) {
+    LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: no empty entry found and not allowed to recycle\n"));
+    return (s8_t)ERR_MEM;
+  }
+  
+  /* b) choose the least destructive entry to recycle:
+   * 1) empty entry
+   * 2) oldest stable entry
+   * 3) oldest pending entry without queued packets
+   * 4) oldest pending entry with queued packets
+   * 
+   * { ETHARP_FLAG_TRY_HARD is set at this point }
+   */ 
+
+  /* 1) empty entry available? */
+  if (empty < ARP_TABLE_SIZE) {
+    i = empty;
+    LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: selecting empty entry %"U16_F"\n", (u16_t)i));
+  } else {
+    /* 2) found recyclable stable entry? */
+    if (old_stable < ARP_TABLE_SIZE) {
+      /* recycle oldest stable*/
+      i = old_stable;
+      LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: selecting oldest stable entry %"U16_F"\n", (u16_t)i));
+      /* no queued packets should exist on stable entries */
+      LWIP_ASSERT("arp_table[i].q == NULL", arp_table[i].q == NULL);
+    /* 3) found recyclable pending entry without queued packets? */
+    } else if (old_pending < ARP_TABLE_SIZE) {
+      /* recycle oldest pending */
+      i = old_pending;
+      LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: selecting oldest pending entry %"U16_F" (without queue)\n", (u16_t)i));
+    /* 4) found recyclable pending entry with queued packets? */
+    } else if (old_queue < ARP_TABLE_SIZE) {
+      /* recycle oldest pending (queued packets are free in free_entry) */
+      i = old_queue;
+      LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: selecting oldest pending entry %"U16_F", freeing packet queue %p\n", (u16_t)i, (void *)(arp_table[i].q)));
+      /* no empty or recyclable entries found */
+    } else {
+      LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: no empty or recyclable entries found\n"));
+      return (s8_t)ERR_MEM;
+    }
+
+    /* { empty or recyclable entry found } */
+    LWIP_ASSERT("i < ARP_TABLE_SIZE", i < ARP_TABLE_SIZE);
+    free_entry(i);
+  }
+
+  LWIP_ASSERT("i < ARP_TABLE_SIZE", i < ARP_TABLE_SIZE);
+  LWIP_ASSERT("arp_table[i].state == ETHARP_STATE_EMPTY",
+    arp_table[i].state == ETHARP_STATE_EMPTY);
+
+  /* IP address given? */
+  if (ipaddr != NULL) {
+    /* set IP address */
+    ip_addr_copy(arp_table[i].ipaddr, *ipaddr);
+  }
+  arp_table[i].ctime = 0;
+#if ETHARP_SUPPORT_STATIC_ENTRIES
+  arp_table[i].static_entry = 0;
+#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */
+  return (err_t)i;
+}
+
+/**
+ * Send an IP packet on the network using netif->linkoutput
+ * The ethernet header is filled in before sending.
+ *
+ * @params netif the lwIP network interface on which to send the packet
+ * @params p the packet to send, p->payload pointing to the (uninitialized) ethernet header
+ * @params src the source MAC address to be copied into the ethernet header
+ * @params dst the destination MAC address to be copied into the ethernet header
+ * @return ERR_OK if the packet was sent, any other err_t on failure
+ */
+static err_t
+etharp_send_ip(struct netif *netif, struct pbuf *p, struct eth_addr *src, struct eth_addr *dst)
+{
+  struct eth_hdr *ethhdr = (struct eth_hdr *)p->payload;
+
+  LWIP_ASSERT("netif->hwaddr_len must be the same as ETHARP_HWADDR_LEN for etharp!",
+              (netif->hwaddr_len == ETHARP_HWADDR_LEN));
+  ETHADDR32_COPY(ðhdr->dest, dst);
+  ETHADDR16_COPY(ðhdr->src, src);
+  ethhdr->type = PP_HTONS(ETHTYPE_IP);
+  LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_send_ip: sending packet %p\n", (void *)p));
+  /* send the packet */
+  return netif->linkoutput(netif, p);
+}
+
+/**
+ * Update (or insert) a IP/MAC address pair in the ARP cache.
+ *
+ * If a pending entry is resolved, any queued packets will be sent
+ * at this point.
+ * 
+ * @param netif netif related to this entry (used for NETIF_ADDRHINT)
+ * @param ipaddr IP address of the inserted ARP entry.
+ * @param ethaddr Ethernet address of the inserted ARP entry.
+ * @param flags @see definition of ETHARP_FLAG_*
+ *
+ * @return
+ * - ERR_OK Succesfully updated ARP cache.
+ * - ERR_MEM If we could not add a new ARP entry when ETHARP_FLAG_TRY_HARD was set.
+ * - ERR_ARG Non-unicast address given, those will not appear in ARP cache.
+ *
+ * @see pbuf_free()
+ */
+static err_t
+update_arp_entry(struct netif *netif, ip_addr_t *ipaddr, struct eth_addr *ethaddr, u8_t flags)
+{
+  s8_t i;
+  LWIP_ASSERT("netif->hwaddr_len == ETHARP_HWADDR_LEN", netif->hwaddr_len == ETHARP_HWADDR_LEN);
+  LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("update_arp_entry: %"U16_F".%"U16_F".%"U16_F".%"U16_F" - %02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F"\n",
+    ip4_addr1_16(ipaddr), ip4_addr2_16(ipaddr), ip4_addr3_16(ipaddr), ip4_addr4_16(ipaddr),
+    ethaddr->addr[0], ethaddr->addr[1], ethaddr->addr[2],
+    ethaddr->addr[3], ethaddr->addr[4], ethaddr->addr[5]));
+  /* non-unicast address? */
+  if (ip_addr_isany(ipaddr) ||
+      ip_addr_isbroadcast(ipaddr, netif) ||
+      ip_addr_ismulticast(ipaddr)) {
+    LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("update_arp_entry: will not add non-unicast IP address to ARP cache\n"));
+    return ERR_ARG;
+  }
+  /* find or create ARP entry */
+  i = find_entry(ipaddr, flags);
+  /* bail out if no entry could be found */
+  if (i < 0) {
+    return (err_t)i;
+  }
+
+#if ETHARP_SUPPORT_STATIC_ENTRIES
+  if (flags & ETHARP_FLAG_STATIC_ENTRY) {
+    /* record static type */
+    arp_table[i].static_entry = 1;
+  }
+#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */
+
+  /* mark it stable */
+  arp_table[i].state = ETHARP_STATE_STABLE;
+
+#if LWIP_SNMP
+  /* record network interface */
+  arp_table[i].netif = netif;
+#endif /* LWIP_SNMP */
+  /* insert in SNMP ARP index tree */
+  snmp_insert_arpidx_tree(netif, &arp_table[i].ipaddr);
+
+  LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("update_arp_entry: updating stable entry %"S16_F"\n", (s16_t)i));
+  /* update address */
+  ETHADDR32_COPY(&arp_table[i].ethaddr, ethaddr);
+  /* reset time stamp */
+  arp_table[i].ctime = 0;
+  /* this is where we will send out queued packets! */
+#if ARP_QUEUEING
+  while (arp_table[i].q != NULL) {
+    struct pbuf *p;
+    /* remember remainder of queue */
+    struct etharp_q_entry *q = arp_table[i].q;
+    /* pop first item off the queue */
+    arp_table[i].q = q->next;
+    /* get the packet pointer */
+    p = q->p;
+    /* now queue entry can be freed */
+    memp_free(MEMP_ARP_QUEUE, q);
+#else /* ARP_QUEUEING */
+  if (arp_table[i].q != NULL) {
+    struct pbuf *p = arp_table[i].q;
+    arp_table[i].q = NULL;
+#endif /* ARP_QUEUEING */
+    /* send the queued IP packet */
+    etharp_send_ip(netif, p, (struct eth_addr*)(netif->hwaddr), ethaddr);
+    /* free the queued IP packet */
+    pbuf_free(p);
+  }
+  return ERR_OK;
+}
+
+#if ETHARP_SUPPORT_STATIC_ENTRIES
+/** Add a new static entry to the ARP table. If an entry exists for the
+ * specified IP address, this entry is overwritten.
+ * If packets are queued for the specified IP address, they are sent out.
+ *
+ * @param ipaddr IP address for the new static entry
+ * @param ethaddr ethernet address for the new static entry
+ * @return @see return values of etharp_add_static_entry
+ */
+err_t
+etharp_add_static_entry(ip_addr_t *ipaddr, struct eth_addr *ethaddr)
+{
+  struct netif *netif;
+  LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_add_static_entry: %"U16_F".%"U16_F".%"U16_F".%"U16_F" - %02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F"\n",
+    ip4_addr1_16(ipaddr), ip4_addr2_16(ipaddr), ip4_addr3_16(ipaddr), ip4_addr4_16(ipaddr),
+    ethaddr->addr[0], ethaddr->addr[1], ethaddr->addr[2],
+    ethaddr->addr[3], ethaddr->addr[4], ethaddr->addr[5]));
+
+  netif = ip_route(ipaddr);
+  if (netif == NULL) {
+    return ERR_RTE;
+  }
+
+  return update_arp_entry(netif, ipaddr, ethaddr, ETHARP_FLAG_TRY_HARD | ETHARP_FLAG_STATIC_ENTRY);
+}
+
+/** Remove a static entry from the ARP table previously added with a call to
+ * etharp_add_static_entry.
+ *
+ * @param ipaddr IP address of the static entry to remove
+ * @return ERR_OK: entry removed
+ *         ERR_MEM: entry wasn't found
+ *         ERR_ARG: entry wasn't a static entry but a dynamic one
+ */
+err_t
+etharp_remove_static_entry(ip_addr_t *ipaddr)
+{
+  s8_t i;
+  LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_remove_static_entry: %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
+    ip4_addr1_16(ipaddr), ip4_addr2_16(ipaddr), ip4_addr3_16(ipaddr), ip4_addr4_16(ipaddr)));
+
+  /* find or create ARP entry */
+  i = find_entry(ipaddr, ETHARP_FLAG_FIND_ONLY);
+  /* bail out if no entry could be found */
+  if (i < 0) {
+    return (err_t)i;
+  }
+
+  if ((arp_table[i].state != ETHARP_STATE_STABLE) ||
+    (arp_table[i].static_entry == 0)) {
+    /* entry wasn't a static entry, cannot remove it */
+    return ERR_ARG;
+  }
+  /* entry found, free it */
+  free_entry(i);
+  return ERR_OK;
+}
+#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */
+
+/**
+ * Finds (stable) ethernet/IP address pair from ARP table
+ * using interface and IP address index.
+ * @note the addresses in the ARP table are in network order!
+ *
+ * @param netif points to interface index
+ * @param ipaddr points to the (network order) IP address index
+ * @param eth_ret points to return pointer
+ * @param ip_ret points to return pointer
+ * @return table index if found, -1 otherwise
+ */
+s8_t
+etharp_find_addr(struct netif *netif, ip_addr_t *ipaddr,
+         struct eth_addr **eth_ret, ip_addr_t **ip_ret)
+{
+  s8_t i;
+
+  LWIP_ASSERT("eth_ret != NULL && ip_ret != NULL",
+    eth_ret != NULL && ip_ret != NULL);
+
+  LWIP_UNUSED_ARG(netif);
+
+  i = find_entry(ipaddr, ETHARP_FLAG_FIND_ONLY);
+  if((i >= 0) && arp_table[i].state == ETHARP_STATE_STABLE) {
+      *eth_ret = &arp_table[i].ethaddr;
+      *ip_ret = &arp_table[i].ipaddr;
+      return i;
+  }
+  return -1;
+}
+
+#if ETHARP_TRUST_IP_MAC
+/**
+ * Updates the ARP table using the given IP packet.
+ *
+ * Uses the incoming IP packet's source address to update the
+ * ARP cache for the local network. The function does not alter
+ * or free the packet. This function must be called before the
+ * packet p is passed to the IP layer.
+ *
+ * @param netif The lwIP network interface on which the IP packet pbuf arrived.
+ * @param p The IP packet that arrived on netif.
+ *
+ * @return NULL
+ *
+ * @see pbuf_free()
+ */
+static void
+etharp_ip_input(struct netif *netif, struct pbuf *p)
+{
+  struct eth_hdr *ethhdr;
+  struct ip_hdr *iphdr;
+  ip_addr_t iphdr_src;
+  LWIP_ERROR("netif != NULL", (netif != NULL), return;);
+
+  /* Only insert an entry if the source IP address of the
+     incoming IP packet comes from a host on the local network. */
+  ethhdr = (struct eth_hdr *)p->payload;
+  iphdr = (struct ip_hdr *)((u8_t*)ethhdr + SIZEOF_ETH_HDR);
+#if ETHARP_SUPPORT_VLAN
+  if (ethhdr->type == PP_HTONS(ETHTYPE_VLAN)) {
+    iphdr = (struct ip_hdr *)((u8_t*)ethhdr + SIZEOF_ETH_HDR + SIZEOF_VLAN_HDR);
+  }
+#endif /* ETHARP_SUPPORT_VLAN */
+
+  ip_addr_copy(iphdr_src, iphdr->src);
+
+  /* source is not on the local network? */
+  if (!ip_addr_netcmp(&iphdr_src, &(netif->ip_addr), &(netif->netmask))) {
+    /* do nothing */
+    return;
+  }
+
+  LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_ip_input: updating ETHARP table.\n"));
+  /* update the source IP address in the cache, if present */
+  /* @todo We could use ETHARP_FLAG_TRY_HARD if we think we are going to talk
+   * back soon (for example, if the destination IP address is ours. */
+  update_arp_entry(netif, &iphdr_src, &(ethhdr->src), ETHARP_FLAG_FIND_ONLY);
+}
+#endif /* ETHARP_TRUST_IP_MAC */
+
+/**
+ * Responds to ARP requests to us. Upon ARP replies to us, add entry to cache  
+ * send out queued IP packets. Updates cache with snooped address pairs.
+ *
+ * Should be called for incoming ARP packets. The pbuf in the argument
+ * is freed by this function.
+ *
+ * @param netif The lwIP network interface on which the ARP packet pbuf arrived.
+ * @param ethaddr Ethernet address of netif.
+ * @param p The ARP packet that arrived on netif. Is freed by this function.
+ *
+ * @return NULL
+ *
+ * @see pbuf_free()
+ */
+static void
+etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p)
+{
+  struct etharp_hdr *hdr;
+  struct eth_hdr *ethhdr;
+  /* these are aligned properly, whereas the ARP header fields might not be */
+  ip_addr_t sipaddr, dipaddr;
+  u8_t for_us;
+#if LWIP_AUTOIP
+  const u8_t * ethdst_hwaddr;
+#endif /* LWIP_AUTOIP */
+
+  LWIP_ERROR("netif != NULL", (netif != NULL), return;);
+
+  /* drop short ARP packets: we have to check for p->len instead of p->tot_len here
+     since a struct etharp_hdr is pointed to p->payload, so it musn't be chained! */
+  if (p->len < SIZEOF_ETHARP_PACKET) {
+    LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING,
+      ("etharp_arp_input: packet dropped, too short (%"S16_F"/%"S16_F")\n", p->tot_len,
+      (s16_t)SIZEOF_ETHARP_PACKET));
+    ETHARP_STATS_INC(etharp.lenerr);
+    ETHARP_STATS_INC(etharp.drop);
+    pbuf_free(p);
+    return;
+  }
+
+  ethhdr = (struct eth_hdr *)p->payload;
+  hdr = (struct etharp_hdr *)((u8_t*)ethhdr + SIZEOF_ETH_HDR);
+#if ETHARP_SUPPORT_VLAN
+  if (ethhdr->type == PP_HTONS(ETHTYPE_VLAN)) {
+    hdr = (struct etharp_hdr *)(((u8_t*)ethhdr) + SIZEOF_ETH_HDR + SIZEOF_VLAN_HDR);
+  }
+#endif /* ETHARP_SUPPORT_VLAN */
+
+  /* RFC 826 "Packet Reception": */
+  if ((hdr->hwtype != PP_HTONS(HWTYPE_ETHERNET)) ||
+      (hdr->hwlen != ETHARP_HWADDR_LEN) ||
+      (hdr->protolen != sizeof(ip_addr_t)) ||
+      (hdr->proto != PP_HTONS(ETHTYPE_IP)))  {
+    LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING,
+      ("etharp_arp_input: packet dropped, wrong hw type, hwlen, proto, protolen or ethernet type (%"U16_F"/%"U16_F"/%"U16_F"/%"U16_F")\n",
+      hdr->hwtype, hdr->hwlen, hdr->proto, hdr->protolen));
+    ETHARP_STATS_INC(etharp.proterr);
+    ETHARP_STATS_INC(etharp.drop);
+    pbuf_free(p);
+    return;
+  }
+  ETHARP_STATS_INC(etharp.recv);
+
+#if LWIP_AUTOIP
+  /* We have to check if a host already has configured our random
+   * created link local address and continously check if there is
+   * a host with this IP-address so we can detect collisions */
+  autoip_arp_reply(netif, hdr);
+#endif /* LWIP_AUTOIP */
+
+  /* Copy struct ip_addr2 to aligned ip_addr, to support compilers without
+   * structure packing (not using structure copy which breaks strict-aliasing rules). */
+  IPADDR2_COPY(&sipaddr, &hdr->sipaddr);
+  IPADDR2_COPY(&dipaddr, &hdr->dipaddr);
+
+  /* this interface is not configured? */
+  if (ip_addr_isany(&netif->ip_addr)) {
+    for_us = 0;
+  } else {
+    /* ARP packet directed to us? */
+    for_us = (u8_t)ip_addr_cmp(&dipaddr, &(netif->ip_addr));
+  }
+
+  /* ARP message directed to us?
+      -> add IP address in ARP cache; assume requester wants to talk to us,
+         can result in directly sending the queued packets for this host.
+     ARP message not directed to us?
+      ->  update the source IP address in the cache, if present */
+  update_arp_entry(netif, &sipaddr, &(hdr->shwaddr),
+                   for_us ? ETHARP_FLAG_TRY_HARD : ETHARP_FLAG_FIND_ONLY);
+
+  /* now act on the message itself */
+  switch (hdr->opcode) {
+  /* ARP request? */
+  case PP_HTONS(ARP_REQUEST):
+    /* ARP request. If it asked for our address, we send out a
+     * reply. In any case, we time-stamp any existing ARP entry,
+     * and possiby send out an IP packet that was queued on it. */
+
+    LWIP_DEBUGF (ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: incoming ARP request\n"));
+    /* ARP request for our address? */
+    if (for_us) {
+
+      LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: replying to ARP request for our IP address\n"));
+      /* Re-use pbuf to send ARP reply.
+         Since we are re-using an existing pbuf, we can't call etharp_raw since
+         that would allocate a new pbuf. */
+      hdr->opcode = htons(ARP_REPLY);
+
+      IPADDR2_COPY(&hdr->dipaddr, &hdr->sipaddr);
+      IPADDR2_COPY(&hdr->sipaddr, &netif->ip_addr);
+
+      LWIP_ASSERT("netif->hwaddr_len must be the same as ETHARP_HWADDR_LEN for etharp!",
+                  (netif->hwaddr_len == ETHARP_HWADDR_LEN));
+#if LWIP_AUTOIP
+      /* If we are using Link-Local, all ARP packets that contain a Link-Local
+       * 'sender IP address' MUST be sent using link-layer broadcast instead of
+       * link-layer unicast. (See RFC3927 Section 2.5, last paragraph) */
+      ethdst_hwaddr = ip_addr_islinklocal(&netif->ip_addr) ? (u8_t*)(ethbroadcast.addr) : hdr->shwaddr.addr;
+#endif /* LWIP_AUTOIP */
+
+      ETHADDR16_COPY(&hdr->dhwaddr, &hdr->shwaddr);
+#if LWIP_AUTOIP
+      ETHADDR16_COPY(ðhdr->dest, ethdst_hwaddr);
+#else  /* LWIP_AUTOIP */
+      ETHADDR16_COPY(ðhdr->dest, &hdr->shwaddr);
+#endif /* LWIP_AUTOIP */
+      ETHADDR16_COPY(&hdr->shwaddr, ethaddr);
+      ETHADDR16_COPY(ðhdr->src, ethaddr);
+
+      /* hwtype, hwaddr_len, proto, protolen and the type in the ethernet header
+         are already correct, we tested that before */
+
+      /* return ARP reply */
+      netif->linkoutput(netif, p);
+    /* we are not configured? */
+    } else if (ip_addr_isany(&netif->ip_addr)) {
+      /* { for_us == 0 and netif->ip_addr.addr == 0 } */
+      LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: we are unconfigured, ARP request ignored.\n"));
+    /* request was not directed to us */
+    } else {
+      /* { for_us == 0 and netif->ip_addr.addr != 0 } */
+      LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: ARP request was not for us.\n"));
+    }
+    break;
+  case PP_HTONS(ARP_REPLY):
+    /* ARP reply. We already updated the ARP cache earlier. */
+    LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: incoming ARP reply\n"));
+#if (LWIP_DHCP && DHCP_DOES_ARP_CHECK)
+    /* DHCP wants to know about ARP replies from any host with an
+     * IP address also offered to us by the DHCP server. We do not
+     * want to take a duplicate IP address on a single network.
+     * @todo How should we handle redundant (fail-over) interfaces? */
+    dhcp_arp_reply(netif, &sipaddr);
+#endif /* (LWIP_DHCP && DHCP_DOES_ARP_CHECK) */
+    break;
+  default:
+    LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: ARP unknown opcode type %"S16_F"\n", htons(hdr->opcode)));
+    ETHARP_STATS_INC(etharp.err);
+    break;
+  }
+  /* free ARP packet */
+  pbuf_free(p);
+}
+
+/**
+ * Resolve and fill-in Ethernet address header for outgoing IP packet.
+ *
+ * For IP multicast and broadcast, corresponding Ethernet addresses
+ * are selected and the packet is transmitted on the link.
+ *
+ * For unicast addresses, the packet is submitted to etharp_query(). In
+ * case the IP address is outside the local network, the IP address of
+ * the gateway is used.
+ *
+ * @param netif The lwIP network interface which the IP packet will be sent on.
+ * @param q The pbuf(s) containing the IP packet to be sent.
+ * @param ipaddr The IP address of the packet destination.
+ *
+ * @return
+ * - ERR_RTE No route to destination (no gateway to external networks),
+ * or the return type of either etharp_query() or etharp_send_ip().
+ */
+err_t
+etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr)
+{
+  struct eth_addr *dest, mcastaddr;
+
+  /* make room for Ethernet header - should not fail */
+  if (pbuf_header(q, sizeof(struct eth_hdr)) != 0) {
+    /* bail out */
+    LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS,
+      ("etharp_output: could not allocate room for header.\n"));
+    LINK_STATS_INC(link.lenerr);
+    return ERR_BUF;
+  }
+
+  /* assume unresolved Ethernet address */
+  dest = NULL;
+  /* Determine on destination hardware address. Broadcasts and multicasts
+   * are special, other IP addresses are looked up in the ARP table. */
+
+  /* broadcast destination IP address? */
+  if (ip_addr_isbroadcast(ipaddr, netif)) {
+    /* broadcast on Ethernet also */
+    dest = (struct eth_addr *)ðbroadcast;
+  /* multicast destination IP address? */
+  } else if (ip_addr_ismulticast(ipaddr)) {
+    /* Hash IP multicast address to MAC address.*/
+    mcastaddr.addr[0] = 0x01;
+    mcastaddr.addr[1] = 0x00;
+    mcastaddr.addr[2] = 0x5e;
+    mcastaddr.addr[3] = ip4_addr2(ipaddr) & 0x7f;
+    mcastaddr.addr[4] = ip4_addr3(ipaddr);
+    mcastaddr.addr[5] = ip4_addr4(ipaddr);
+    /* destination Ethernet address is multicast */
+    dest = &mcastaddr;
+  /* unicast destination IP address? */
+  } else {
+    /* outside local network? */
+    if (!ip_addr_netcmp(ipaddr, &(netif->ip_addr), &(netif->netmask)) &&
+        !ip_addr_islinklocal(ipaddr)) {
+#if LWIP_AUTOIP
+      struct ip_hdr *iphdr = (struct ip_hdr*)((u8_t*)q->payload +
+        sizeof(struct eth_hdr));
+      /* According to RFC 3297, chapter 2.6.2 (Forwarding Rules), a packet with
+         a link-local source address must always be "directly to its destination
+         on the same physical link. The host MUST NOT send the packet to any
+         router for forwarding". */
+      if (!ip_addr_islinklocal(&iphdr->src))
+#endif /* LWIP_AUTOIP */
+      {
+        /* interface has default gateway? */
+        if (!ip_addr_isany(&netif->gw)) {
+          /* send to hardware address of default gateway IP address */
+          ipaddr = &(netif->gw);
+        /* no default gateway available */
+        } else {
+          /* no route to destination error (default gateway missing) */
+          return ERR_RTE;
+        }
+      }
+    }
+#if LWIP_NETIF_HWADDRHINT
+    if (netif->addr_hint != NULL) {
+      /* per-pcb cached entry was given */
+      u8_t etharp_cached_entry = *(netif->addr_hint);
+      if (etharp_cached_entry < ARP_TABLE_SIZE) {
+#endif /* LWIP_NETIF_HWADDRHINT */
+        if ((arp_table[etharp_cached_entry].state == ETHARP_STATE_STABLE) &&
+            (ip_addr_cmp(ipaddr, &arp_table[etharp_cached_entry].ipaddr))) {
+          /* the per-pcb-cached entry is stable and the right one! */
+          ETHARP_STATS_INC(etharp.cachehit);
+          return etharp_send_ip(netif, q, (struct eth_addr*)(netif->hwaddr),
+            &arp_table[etharp_cached_entry].ethaddr);
+        }
+#if LWIP_NETIF_HWADDRHINT
+      }
+    }
+#endif /* LWIP_NETIF_HWADDRHINT */
+    /* queue on destination Ethernet address belonging to ipaddr */
+    return etharp_query(netif, ipaddr, q);
+  }
+
+  /* continuation for multicast/broadcast destinations */
+  /* obtain source Ethernet address of the given interface */
+  /* send packet directly on the link */
+  return etharp_send_ip(netif, q, (struct eth_addr*)(netif->hwaddr), dest);
+}
+
+/**
+ * Send an ARP request for the given IP address and/or queue a packet.
+ *
+ * If the IP address was not yet in the cache, a pending ARP cache entry
+ * is added and an ARP request is sent for the given address. The packet
+ * is queued on this entry.
+ *
+ * If the IP address was already pending in the cache, a new ARP request
+ * is sent for the given address. The packet is queued on this entry.
+ *
+ * If the IP address was already stable in the cache, and a packet is
+ * given, it is directly sent and no ARP request is sent out. 
+ * 
+ * If the IP address was already stable in the cache, and no packet is
+ * given, an ARP request is sent out.
+ * 
+ * @param netif The lwIP network interface on which ipaddr
+ * must be queried for.
+ * @param ipaddr The IP address to be resolved.
+ * @param q If non-NULL, a pbuf that must be delivered to the IP address.
+ * q is not freed by this function.
+ *
+ * @note q must only be ONE packet, not a packet queue!
+ *
+ * @return
+ * - ERR_BUF Could not make room for Ethernet header.
+ * - ERR_MEM Hardware address unknown, and no more ARP entries available
+ *   to query for address or queue the packet.
+ * - ERR_MEM Could not queue packet due to memory shortage.
+ * - ERR_RTE No route to destination (no gateway to external networks).
+ * - ERR_ARG Non-unicast address given, those will not appear in ARP cache.
+ *
+ */
+err_t
+etharp_query(struct netif *netif, ip_addr_t *ipaddr, struct pbuf *q)
+{
+  struct eth_addr * srcaddr = (struct eth_addr *)netif->hwaddr;
+  err_t result = ERR_MEM;
+  s8_t i; /* ARP entry index */
+
+  /* non-unicast address? */
+  if (ip_addr_isbroadcast(ipaddr, netif) ||
+      ip_addr_ismulticast(ipaddr) ||
+      ip_addr_isany(ipaddr)) {
+    LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: will not add non-unicast IP address to ARP cache\n"));
+    return ERR_ARG;
+  }
+
+  /* find entry in ARP cache, ask to create entry if queueing packet */
+  i = find_entry(ipaddr, ETHARP_FLAG_TRY_HARD);
+
+  /* could not find or create entry? */
+  if (i < 0) {
+    LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: could not create ARP entry\n"));
+    if (q) {
+      LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: packet dropped\n"));
+      ETHARP_STATS_INC(etharp.memerr);
+    }
+    return (err_t)i;
+  }
+
+  /* mark a fresh entry as pending (we just sent a request) */
+  if (arp_table[i].state == ETHARP_STATE_EMPTY) {
+    arp_table[i].state = ETHARP_STATE_PENDING;
+  }
+
+  /* { i is either a STABLE or (new or existing) PENDING entry } */
+  LWIP_ASSERT("arp_table[i].state == PENDING or STABLE",
+  ((arp_table[i].state == ETHARP_STATE_PENDING) ||
+   (arp_table[i].state == ETHARP_STATE_STABLE)));
+
+  /* do we have a pending entry? or an implicit query request? */
+  if ((arp_table[i].state == ETHARP_STATE_PENDING) || (q == NULL)) {
+    /* try to resolve it; send out ARP request */
+    result = etharp_request(netif, ipaddr);
+    if (result != ERR_OK) {
+      /* ARP request couldn't be sent */
+      /* We don't re-send arp request in etharp_tmr, but we still queue packets,
+         since this failure could be temporary, and the next packet calling
+         etharp_query again could lead to sending the queued packets. */
+    }
+    if (q == NULL) {
+      return result;
+    }
+  }
+
+  /* packet given? */
+  LWIP_ASSERT("q != NULL", q != NULL);
+  /* stable entry? */
+  if (arp_table[i].state == ETHARP_STATE_STABLE) {
+    /* we have a valid IP->Ethernet address mapping */
+    ETHARP_SET_HINT(netif, i);
+    /* send the packet */
+    result = etharp_send_ip(netif, q, srcaddr, &(arp_table[i].ethaddr));
+  /* pending entry? (either just created or already pending */
+  } else if (arp_table[i].state == ETHARP_STATE_PENDING) {
+    /* entry is still pending, queue the given packet 'q' */
+    struct pbuf *p;
+    int copy_needed = 0;
+    /* IF q includes a PBUF_REF, PBUF_POOL or PBUF_RAM, we have no choice but
+     * to copy the whole queue into a new PBUF_RAM (see bug #11400) 
+     * PBUF_ROMs can be left as they are, since ROM must not get changed. */
+    p = q;
+    while (p) {
+      LWIP_ASSERT("no packet queues allowed!", (p->len != p->tot_len) || (p->next == 0));
+      if(p->type != PBUF_ROM) {
+        copy_needed = 1;
+        break;
+      }
+      p = p->next;
+    }
+    if(copy_needed) {
+      /* copy the whole packet into new pbufs */
+      p = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM);
+      if(p != NULL) {
+        if (pbuf_copy(p, q) != ERR_OK) {
+          pbuf_free(p);
+          p = NULL;
+        }
+      }
+    } else {
+      /* referencing the old pbuf is enough */
+      p = q;
+      pbuf_ref(p);
+    }
+    /* packet could be taken over? */
+    if (p != NULL) {
+      /* queue packet ... */
+#if ARP_QUEUEING
+      struct etharp_q_entry *new_entry;
+      /* allocate a new arp queue entry */
+      new_entry = (struct etharp_q_entry *)memp_malloc(MEMP_ARP_QUEUE);
+      if (new_entry != NULL) {
+        new_entry->next = 0;
+        new_entry->p = p;
+        if(arp_table[i].q != NULL) {
+          /* queue was already existent, append the new entry to the end */
+          struct etharp_q_entry *r;
+          r = arp_table[i].q;
+          while (r->next != NULL) {
+            r = r->next;
+          }
+          r->next = new_entry;
+        } else {
+          /* queue did not exist, first item in queue */
+          arp_table[i].q = new_entry;
+        }
+        LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: queued packet %p on ARP entry %"S16_F"\n", (void *)q, (s16_t)i));
+        result = ERR_OK;
+      } else {
+        /* the pool MEMP_ARP_QUEUE is empty */
+        pbuf_free(p);
+        LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: could not queue a copy of PBUF_REF packet %p (out of memory)\n", (void *)q));
+        result = ERR_MEM;
+      }
+#else /* ARP_QUEUEING */
+      /* always queue one packet per ARP request only, freeing a previously queued packet */
+      if (arp_table[i].q != NULL) {
+        LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: dropped previously queued packet %p for ARP entry %"S16_F"\n", (void *)q, (s16_t)i));
+        pbuf_free(arp_table[i].q);
+      }
+      arp_table[i].q = p;
+      result = ERR_OK;
+      LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: queued packet %p on ARP entry %"S16_F"\n", (void *)q, (s16_t)i));
+#endif /* ARP_QUEUEING */
+    } else {
+      ETHARP_STATS_INC(etharp.memerr);
+      LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: could not queue a copy of PBUF_REF packet %p (out of memory)\n", (void *)q));
+      result = ERR_MEM;
+    }
+  }
+  return result;
+}
+
+/**
+ * Send a raw ARP packet (opcode and all addresses can be modified)
+ *
+ * @param netif the lwip network interface on which to send the ARP packet
+ * @param ethsrc_addr the source MAC address for the ethernet header
+ * @param ethdst_addr the destination MAC address for the ethernet header
+ * @param hwsrc_addr the source MAC address for the ARP protocol header
+ * @param ipsrc_addr the source IP address for the ARP protocol header
+ * @param hwdst_addr the destination MAC address for the ARP protocol header
+ * @param ipdst_addr the destination IP address for the ARP protocol header
+ * @param opcode the type of the ARP packet
+ * @return ERR_OK if the ARP packet has been sent
+ *         ERR_MEM if the ARP packet couldn't be allocated
+ *         any other err_t on failure
+ */
+#if !LWIP_AUTOIP
+static
+#endif /* LWIP_AUTOIP */
+err_t
+etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr,
+           const struct eth_addr *ethdst_addr,
+           const struct eth_addr *hwsrc_addr, const ip_addr_t *ipsrc_addr,
+           const struct eth_addr *hwdst_addr, const ip_addr_t *ipdst_addr,
+           const u16_t opcode)
+{
+  struct pbuf *p;
+  err_t result = ERR_OK;
+  struct eth_hdr *ethhdr;
+  struct etharp_hdr *hdr;
+#if LWIP_AUTOIP
+  const u8_t * ethdst_hwaddr;
+#endif /* LWIP_AUTOIP */
+
+  /* allocate a pbuf for the outgoing ARP request packet */
+  p = pbuf_alloc(PBUF_RAW, SIZEOF_ETHARP_PACKET, PBUF_RAM);
+  /* could allocate a pbuf for an ARP request? */
+  if (p == NULL) {
+    LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS,
+      ("etharp_raw: could not allocate pbuf for ARP request.\n"));
+    ETHARP_STATS_INC(etharp.memerr);
+    return ERR_MEM;
+  }
+  LWIP_ASSERT("check that first pbuf can hold struct etharp_hdr",
+              (p->len >= SIZEOF_ETHARP_PACKET));
+
+  ethhdr = (struct eth_hdr *)p->payload;
+  hdr = (struct etharp_hdr *)((u8_t*)ethhdr + SIZEOF_ETH_HDR);
+  LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_raw: sending raw ARP packet.\n"));
+  hdr->opcode = htons(opcode);
+
+  LWIP_ASSERT("netif->hwaddr_len must be the same as ETHARP_HWADDR_LEN for etharp!",
+              (netif->hwaddr_len == ETHARP_HWADDR_LEN));
+#if LWIP_AUTOIP
+  /* If we are using Link-Local, all ARP packets that contain a Link-Local
+   * 'sender IP address' MUST be sent using link-layer broadcast instead of
+   * link-layer unicast. (See RFC3927 Section 2.5, last paragraph) */
+  ethdst_hwaddr = ip_addr_islinklocal(ipsrc_addr) ? (u8_t*)(ethbroadcast.addr) : ethdst_addr->addr;
+#endif /* LWIP_AUTOIP */
+  /* Write the ARP MAC-Addresses */
+  ETHADDR16_COPY(&hdr->shwaddr, hwsrc_addr);
+  ETHADDR16_COPY(&hdr->dhwaddr, hwdst_addr);
+  /* Write the Ethernet MAC-Addresses */
+#if LWIP_AUTOIP
+  ETHADDR16_COPY(ðhdr->dest, ethdst_hwaddr);
+#else  /* LWIP_AUTOIP */
+  ETHADDR16_COPY(ðhdr->dest, ethdst_addr);
+#endif /* LWIP_AUTOIP */
+  ETHADDR16_COPY(ðhdr->src, ethsrc_addr);
+  /* Copy struct ip_addr2 to aligned ip_addr, to support compilers without
+   * structure packing. */ 
+  IPADDR2_COPY(&hdr->sipaddr, ipsrc_addr);
+  IPADDR2_COPY(&hdr->dipaddr, ipdst_addr);
+
+  hdr->hwtype = PP_HTONS(HWTYPE_ETHERNET);
+  hdr->proto = PP_HTONS(ETHTYPE_IP);
+  /* set hwlen and protolen */
+  hdr->hwlen = ETHARP_HWADDR_LEN;
+  hdr->protolen = sizeof(ip_addr_t);
+
+  ethhdr->type = PP_HTONS(ETHTYPE_ARP);
+  /* send ARP query */
+  result = netif->linkoutput(netif, p);
+  ETHARP_STATS_INC(etharp.xmit);
+  /* free ARP query packet */
+  pbuf_free(p);
+  p = NULL;
+  /* could not allocate pbuf for ARP request */
+
+  return result;
+}
+
+/**
+ * Send an ARP request packet asking for ipaddr.
+ *
+ * @param netif the lwip network interface on which to send the request
+ * @param ipaddr the IP address for which to ask
+ * @return ERR_OK if the request has been sent
+ *         ERR_MEM if the ARP packet couldn't be allocated
+ *         any other err_t on failure
+ */
+err_t
+etharp_request(struct netif *netif, ip_addr_t *ipaddr)
+{
+  LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_request: sending ARP request.\n"));
+  return etharp_raw(netif, (struct eth_addr *)netif->hwaddr, ðbroadcast,
+                    (struct eth_addr *)netif->hwaddr, &netif->ip_addr, ðzero,
+                    ipaddr, ARP_REQUEST);
+}
+#endif /* LWIP_ARP */
+
+/**
+ * Process received ethernet frames. Using this function instead of directly
+ * calling ip_input and passing ARP frames through etharp in ethernetif_input,
+ * the ARP cache is protected from concurrent access.
+ *
+ * @param p the recevied packet, p->payload pointing to the ethernet header
+ * @param netif the network interface on which the packet was received
+ */
+err_t
+ethernet_input(struct pbuf *p, struct netif *netif)
+{
+  struct eth_hdr* ethhdr;
+  u16_t type;
+  s16_t ip_hdr_offset = SIZEOF_ETH_HDR;
+
+  if (p->len <= SIZEOF_ETH_HDR) {
+    /* a packet with only an ethernet header (or less) is not valid for us */
+    ETHARP_STATS_INC(etharp.proterr);
+    ETHARP_STATS_INC(etharp.drop);
+    goto free_and_return;
+  }
+
+  /* points to packet payload, which starts with an Ethernet header */
+  ethhdr = (struct eth_hdr *)p->payload;
+  LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE,
+    ("ethernet_input: dest:%"X8_F":%"X8_F":%"X8_F":%"X8_F":%"X8_F":%"X8_F", src:%"X8_F":%"X8_F":%"X8_F":%"X8_F":%"X8_F":%"X8_F", type:%"X16_F"\n",
+     (unsigned)ethhdr->dest.addr[0], (unsigned)ethhdr->dest.addr[1], (unsigned)ethhdr->dest.addr[2],
+     (unsigned)ethhdr->dest.addr[3], (unsigned)ethhdr->dest.addr[4], (unsigned)ethhdr->dest.addr[5],
+     (unsigned)ethhdr->src.addr[0], (unsigned)ethhdr->src.addr[1], (unsigned)ethhdr->src.addr[2],
+     (unsigned)ethhdr->src.addr[3], (unsigned)ethhdr->src.addr[4], (unsigned)ethhdr->src.addr[5],
+     (unsigned)htons(ethhdr->type)));
+
+  type = ethhdr->type;
+#if ETHARP_SUPPORT_VLAN
+  if (type == PP_HTONS(ETHTYPE_VLAN)) {
+    struct eth_vlan_hdr *vlan = (struct eth_vlan_hdr*)(((char*)ethhdr) + SIZEOF_ETH_HDR);
+    if (p->len <= SIZEOF_ETH_HDR + SIZEOF_VLAN_HDR) {
+      /* a packet with only an ethernet/vlan header (or less) is not valid for us */
+      ETHARP_STATS_INC(etharp.proterr);
+      ETHARP_STATS_INC(etharp.drop);
+      goto free_and_return;
+    }
+#ifdef ETHARP_VLAN_CHECK /* if not, allow all VLANs */
+    if (VLAN_ID(vlan) != ETHARP_VLAN_CHECK) {
+      /* silently ignore this packet: not for our VLAN */
+      pbuf_free(p);
+      return ERR_OK;
+    }
+#endif /* ETHARP_VLAN_CHECK */
+    type = vlan->tpid;
+    ip_hdr_offset = SIZEOF_ETH_HDR + SIZEOF_VLAN_HDR;
+  }
+#endif /* ETHARP_SUPPORT_VLAN */
+
+#if LWIP_ARP_FILTER_NETIF
+  netif = LWIP_ARP_FILTER_NETIF_FN(p, netif, htons(type));
+#endif /* LWIP_ARP_FILTER_NETIF*/
+
+  switch (type) {
+#if LWIP_ARP
+    /* IP packet? */
+    case PP_HTONS(ETHTYPE_IP):
+      if (!(netif->flags & NETIF_FLAG_ETHARP)) {
+        goto free_and_return;
+      }
+#if ETHARP_TRUST_IP_MAC
+      /* update ARP table */
+      etharp_ip_input(netif, p);
+#endif /* ETHARP_TRUST_IP_MAC */
+      /* skip Ethernet header */
+      if(pbuf_header(p, -ip_hdr_offset)) {
+        LWIP_ASSERT("Can't move over header in packet", 0);
+        goto free_and_return;
+      } else {
+        /* pass to IP layer */
+        ip_input(p, netif);
+      }
+      break;
+      
+    case PP_HTONS(ETHTYPE_ARP):
+      if (!(netif->flags & NETIF_FLAG_ETHARP)) {
+        goto free_and_return;
+      }
+      /* pass p to ARP module */
+      etharp_arp_input(netif, (struct eth_addr*)(netif->hwaddr), p);
+      break;
+#endif /* LWIP_ARP */
+#if PPPOE_SUPPORT
+    case PP_HTONS(ETHTYPE_PPPOEDISC): /* PPP Over Ethernet Discovery Stage */
+      pppoe_disc_input(netif, p);
+      break;
+
+    case PP_HTONS(ETHTYPE_PPPOE): /* PPP Over Ethernet Session Stage */
+      pppoe_data_input(netif, p);
+      break;
+#endif /* PPPOE_SUPPORT */
+
+    default:
+      ETHARP_STATS_INC(etharp.proterr);
+      ETHARP_STATS_INC(etharp.drop);
+      goto free_and_return;
+  }
+
+  /* This means the pbuf is freed or consumed,
+     so the caller doesn't have to free it again */
+  return ERR_OK;
+
+free_and_return:
+  pbuf_free(p);
+  return ERR_OK;
+}
+#endif /* LWIP_ARP || LWIP_ETHERNET */
diff --git a/libraries/net/lwip/lwip/netif/ethernetif.c b/libraries/net/lwip/lwip/netif/ethernetif.c
new file mode 100644
index 0000000000..a5b7d990b1
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ethernetif.c
@@ -0,0 +1,318 @@
+/**
+ * @file
+ * Ethernet Interface Skeleton
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels 
+ *
+ */
+
+/*
+ * This file is a skeleton for developing Ethernet network interface
+ * drivers for lwIP. Add code to the low_level functions and do a
+ * search-and-replace for the word "ethernetif" to replace it with
+ * something that better describes your network interface.
+ */
+
+#include "lwip/opt.h"
+
+#if 0 /* don't build, this is only a skeleton, see previous comment */
+
+#include "lwip/def.h"
+#include "lwip/mem.h"
+#include "lwip/pbuf.h"
+#include "lwip/sys.h"
+#include 
+#include 
+#include "netif/etharp.h"
+#include "netif/ppp_oe.h"
+
+/* Define those to better describe your network interface. */
+#define IFNAME0 'e'
+#define IFNAME1 'n'
+
+/**
+ * Helper struct to hold private data used to operate your ethernet interface.
+ * Keeping the ethernet address of the MAC in this struct is not necessary
+ * as it is already kept in the struct netif.
+ * But this is only an example, anyway...
+ */
+struct ethernetif {
+  struct eth_addr *ethaddr;
+  /* Add whatever per-interface state that is needed here. */
+};
+
+/* Forward declarations. */
+static void  ethernetif_input(struct netif *netif);
+
+/**
+ * In this function, the hardware should be initialized.
+ * Called from ethernetif_init().
+ *
+ * @param netif the already initialized lwip network interface structure
+ *        for this ethernetif
+ */
+static void
+low_level_init(struct netif *netif)
+{
+  struct ethernetif *ethernetif = netif->state;
+  
+  /* set MAC hardware address length */
+  netif->hwaddr_len = ETHARP_HWADDR_LEN;
+
+  /* set MAC hardware address */
+  netif->hwaddr[0] = ;
+  ...
+  netif->hwaddr[5] = ;
+
+  /* maximum transfer unit */
+  netif->mtu = 1500;
+  
+  /* device capabilities */
+  /* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
+  netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
+ 
+  /* Do whatever else is needed to initialize interface. */  
+}
+
+/**
+ * This function should do the actual transmission of the packet. The packet is
+ * contained in the pbuf that is passed to the function. This pbuf
+ * might be chained.
+ *
+ * @param netif the lwip network interface structure for this ethernetif
+ * @param p the MAC packet to send (e.g. IP packet including MAC addresses and type)
+ * @return ERR_OK if the packet could be sent
+ *         an err_t value if the packet couldn't be sent
+ *
+ * @note Returning ERR_MEM here if a DMA queue of your MAC is full can lead to
+ *       strange results. You might consider waiting for space in the DMA queue
+ *       to become availale since the stack doesn't retry to send a packet
+ *       dropped because of memory failure (except for the TCP timers).
+ */
+
+static err_t
+low_level_output(struct netif *netif, struct pbuf *p)
+{
+  struct ethernetif *ethernetif = netif->state;
+  struct pbuf *q;
+
+  initiate transfer();
+  
+#if ETH_PAD_SIZE
+  pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
+#endif
+
+  for(q = p; q != NULL; q = q->next) {
+    /* Send the data from the pbuf to the interface, one pbuf at a
+       time. The size of the data in each pbuf is kept in the ->len
+       variable. */
+    send data from(q->payload, q->len);
+  }
+
+  signal that packet should be sent();
+
+#if ETH_PAD_SIZE
+  pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
+#endif
+  
+  LINK_STATS_INC(link.xmit);
+
+  return ERR_OK;
+}
+
+/**
+ * Should allocate a pbuf and transfer the bytes of the incoming
+ * packet from the interface into the pbuf.
+ *
+ * @param netif the lwip network interface structure for this ethernetif
+ * @return a pbuf filled with the received packet (including MAC header)
+ *         NULL on memory error
+ */
+static struct pbuf *
+low_level_input(struct netif *netif)
+{
+  struct ethernetif *ethernetif = netif->state;
+  struct pbuf *p, *q;
+  u16_t len;
+
+  /* Obtain the size of the packet and put it into the "len"
+     variable. */
+  len = ;
+
+#if ETH_PAD_SIZE
+  len += ETH_PAD_SIZE; /* allow room for Ethernet padding */
+#endif
+
+  /* We allocate a pbuf chain of pbufs from the pool. */
+  p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
+  
+  if (p != NULL) {
+
+#if ETH_PAD_SIZE
+    pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
+#endif
+
+    /* We iterate over the pbuf chain until we have read the entire
+     * packet into the pbuf. */
+    for(q = p; q != NULL; q = q->next) {
+      /* Read enough bytes to fill this pbuf in the chain. The
+       * available data in the pbuf is given by the q->len
+       * variable.
+       * This does not necessarily have to be a memcpy, you can also preallocate
+       * pbufs for a DMA-enabled MAC and after receiving truncate it to the
+       * actually received size. In this case, ensure the tot_len member of the
+       * pbuf is the sum of the chained pbuf len members.
+       */
+      read data into(q->payload, q->len);
+    }
+    acknowledge that packet has been read();
+
+#if ETH_PAD_SIZE
+    pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
+#endif
+
+    LINK_STATS_INC(link.recv);
+  } else {
+    drop packet();
+    LINK_STATS_INC(link.memerr);
+    LINK_STATS_INC(link.drop);
+  }
+
+  return p;  
+}
+
+/**
+ * This function should be called when a packet is ready to be read
+ * from the interface. It uses the function low_level_input() that
+ * should handle the actual reception of bytes from the network
+ * interface. Then the type of the received packet is determined and
+ * the appropriate input function is called.
+ *
+ * @param netif the lwip network interface structure for this ethernetif
+ */
+static void
+ethernetif_input(struct netif *netif)
+{
+  struct ethernetif *ethernetif;
+  struct eth_hdr *ethhdr;
+  struct pbuf *p;
+
+  ethernetif = netif->state;
+
+  /* move received packet into a new pbuf */
+  p = low_level_input(netif);
+  /* no packet could be read, silently ignore this */
+  if (p == NULL) return;
+  /* points to packet payload, which starts with an Ethernet header */
+  ethhdr = p->payload;
+
+  switch (htons(ethhdr->type)) {
+  /* IP or ARP packet? */
+  case ETHTYPE_IP:
+  case ETHTYPE_ARP:
+#if PPPOE_SUPPORT
+  /* PPPoE packet? */
+  case ETHTYPE_PPPOEDISC:
+  case ETHTYPE_PPPOE:
+#endif /* PPPOE_SUPPORT */
+    /* full packet send to tcpip_thread to process */
+    if (netif->input(p, netif)!=ERR_OK)
+     { LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));
+       pbuf_free(p);
+       p = NULL;
+     }
+    break;
+
+  default:
+    pbuf_free(p);
+    p = NULL;
+    break;
+  }
+}
+
+/**
+ * Should be called at the beginning of the program to set up the
+ * network interface. It calls the function low_level_init() to do the
+ * actual setup of the hardware.
+ *
+ * This function should be passed as a parameter to netif_add().
+ *
+ * @param netif the lwip network interface structure for this ethernetif
+ * @return ERR_OK if the loopif is initialized
+ *         ERR_MEM if private data couldn't be allocated
+ *         any other err_t on error
+ */
+err_t
+ethernetif_init(struct netif *netif)
+{
+  struct ethernetif *ethernetif;
+
+  LWIP_ASSERT("netif != NULL", (netif != NULL));
+    
+  ethernetif = mem_malloc(sizeof(struct ethernetif));
+  if (ethernetif == NULL) {
+    LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_init: out of memory\n"));
+    return ERR_MEM;
+  }
+
+#if LWIP_NETIF_HOSTNAME
+  /* Initialize interface hostname */
+  netif->hostname = "lwip";
+#endif /* LWIP_NETIF_HOSTNAME */
+
+  /*
+   * Initialize the snmp variables and counters inside the struct netif.
+   * The last argument should be replaced with your link speed, in units
+   * of bits per second.
+   */
+  NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, LINK_SPEED_OF_YOUR_NETIF_IN_BPS);
+
+  netif->state = ethernetif;
+  netif->name[0] = IFNAME0;
+  netif->name[1] = IFNAME1;
+  /* We directly use etharp_output() here to save a function call.
+   * You can instead declare your own function an call etharp_output()
+   * from it if you have to do some checks before sending (e.g. if link
+   * is available...) */
+  netif->output = etharp_output;
+  netif->linkoutput = low_level_output;
+  
+  ethernetif->ethaddr = (struct eth_addr *)&(netif->hwaddr[0]);
+  
+  /* initialize the hardware */
+  low_level_init(netif);
+
+  return ERR_OK;
+}
+
+#endif /* 0 */
diff --git a/libraries/net/lwip/lwip/netif/ppp/auth.c b/libraries/net/lwip/lwip/netif/ppp/auth.c
new file mode 100644
index 0000000000..c3c49d22a2
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/auth.c
@@ -0,0 +1,1334 @@
+/*****************************************************************************
+* auth.c - Network Authentication and Phase Control program file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* Copyright (c) 1997 by Global Election Systems Inc.  All rights reserved.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-12-08 Guy Lancaster , Global Election Systems Inc.
+*   Ported from public pppd code.
+*****************************************************************************/
+/*
+ * auth.c - PPP authentication and phase control.
+ *
+ * Copyright (c) 1993 The Australian National University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the Australian National University.  The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include "lwip/opt.h"
+
+#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#include "ppp.h"
+#include "pppdebug.h"
+
+#include "fsm.h"
+#include "lcp.h"
+#include "pap.h"
+#include "chap.h"
+#include "auth.h"
+#include "ipcp.h"
+
+#if CBCP_SUPPORT
+#include "cbcp.h"
+#endif /* CBCP_SUPPORT */
+
+#include "lwip/inet.h"
+
+#include 
+
+#if 0 /* UNUSED */
+/* Bits in scan_authfile return value */
+#define NONWILD_SERVER  1
+#define NONWILD_CLIENT  2
+
+#define ISWILD(word)  (word[0] == '*' && word[1] == 0)
+#endif /* UNUSED */
+
+#if PAP_SUPPORT || CHAP_SUPPORT
+/* The name by which the peer authenticated itself to us. */
+static char peer_authname[MAXNAMELEN];
+#endif /* PAP_SUPPORT || CHAP_SUPPORT */
+
+/* Records which authentication operations haven't completed yet. */
+static int auth_pending[NUM_PPP];
+
+/* Set if we have successfully called plogin() */
+static int logged_in;
+
+/* Set if we have run the /etc/ppp/auth-up script. */
+static int did_authup; /* @todo, we don't need this in lwip*/
+
+/* List of addresses which the peer may use. */
+static struct wordlist *addresses[NUM_PPP];
+
+#if 0 /* UNUSED */
+/* Wordlist giving addresses which the peer may use
+   without authenticating itself. */
+static struct wordlist *noauth_addrs;
+
+/* Extra options to apply, from the secrets file entry for the peer. */
+static struct wordlist *extra_options;
+#endif /* UNUSED */
+
+/* Number of network protocols which we have opened. */
+static int num_np_open;
+
+/* Number of network protocols which have come up. */
+static int num_np_up;
+
+#if PAP_SUPPORT || CHAP_SUPPORT
+/* Set if we got the contents of passwd[] from the pap-secrets file. */
+static int passwd_from_file;
+#endif /* PAP_SUPPORT || CHAP_SUPPORT */
+
+#if 0 /* UNUSED */
+/* Set if we require authentication only because we have a default route. */
+static bool default_auth;
+
+/* Hook to enable a plugin to control the idle time limit */
+int (*idle_time_hook) __P((struct ppp_idle *)) = NULL;
+
+/* Hook for a plugin to say whether we can possibly authenticate any peer */
+int (*pap_check_hook) __P((void)) = NULL;
+
+/* Hook for a plugin to check the PAP user and password */
+int (*pap_auth_hook) __P((char *user, char *passwd, char **msgp,
+        struct wordlist **paddrs,
+        struct wordlist **popts)) = NULL;
+
+/* Hook for a plugin to know about the PAP user logout */
+void (*pap_logout_hook) __P((void)) = NULL;
+
+/* Hook for a plugin to get the PAP password for authenticating us */
+int (*pap_passwd_hook) __P((char *user, char *passwd)) = NULL;
+
+/*
+ * This is used to ensure that we don't start an auth-up/down
+ * script while one is already running.
+ */
+enum script_state {
+    s_down,
+    s_up
+};
+
+static enum script_state auth_state = s_down;
+static enum script_state auth_script_state = s_down;
+static pid_t auth_script_pid = 0;
+
+/*
+ * Option variables.
+ * lwip: some of these are present in the ppp_settings structure
+ */
+bool uselogin = 0;            /* Use /etc/passwd for checking PAP */
+bool cryptpap = 0;            /* Passwords in pap-secrets are encrypted */
+bool refuse_pap = 0;          /* Don't wanna auth. ourselves with PAP */
+bool refuse_chap = 0;         /* Don't wanna auth. ourselves with CHAP */
+bool usehostname = 0;         /* Use hostname for our_name */
+bool auth_required = 0;       /* Always require authentication from peer */
+bool allow_any_ip = 0;        /* Allow peer to use any IP address */
+bool explicit_remote = 0;     /* User specified explicit remote name */
+char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
+
+#endif /* UNUSED */
+
+/* Bits in auth_pending[] */
+#define PAP_WITHPEER    1
+#define PAP_PEER        2
+#define CHAP_WITHPEER   4
+#define CHAP_PEER       8
+
+/* @todo, move this somewhere */
+/* Used for storing a sequence of words.  Usually malloced. */
+struct wordlist {
+  struct wordlist *next;
+  char        word[1];
+};
+
+
+extern char *crypt (const char *, const char *);
+
+/* Prototypes for procedures local to this file. */
+
+static void network_phase (int);
+static void check_idle (void *);
+static void connect_time_expired (void *);
+#if 0
+static int  plogin (char *, char *, char **, int *);
+#endif
+static void plogout (void);
+static int  null_login (int);
+static int  get_pap_passwd (int, char *, char *);
+static int  have_pap_secret (void);
+static int  have_chap_secret (char *, char *, u32_t);
+static int  ip_addr_check (u32_t, struct wordlist *);
+
+#if 0 /* PAP_SUPPORT || CHAP_SUPPORT */
+static int  scan_authfile (FILE *, char *, char *, char *,
+             struct wordlist **, struct wordlist **,
+             char *);
+static void free_wordlist (struct wordlist *);
+static void auth_script (char *);
+static void auth_script_done (void *);
+static void set_allowed_addrs (int unit, struct wordlist *addrs);
+static int  some_ip_ok (struct wordlist *);
+static int  setupapfile (char **);
+static int  privgroup (char **);
+static int  set_noauth_addr (char **);
+static void check_access (FILE *, char *);
+#endif /* 0 */ /* PAP_SUPPORT || CHAP_SUPPORT */
+
+#if 0 /* UNUSED */
+/*
+ * Authentication-related options.
+ */
+option_t auth_options[] = {
+    { "require-pap", o_bool, &lcp_wantoptions[0].neg_upap,
+      "Require PAP authentication from peer", 1, &auth_required },
+    { "+pap", o_bool, &lcp_wantoptions[0].neg_upap,
+      "Require PAP authentication from peer", 1, &auth_required },
+    { "refuse-pap", o_bool, &refuse_pap,
+      "Don't agree to auth to peer with PAP", 1 },
+    { "-pap", o_bool, &refuse_pap,
+      "Don't allow PAP authentication with peer", 1 },
+    { "require-chap", o_bool, &lcp_wantoptions[0].neg_chap,
+      "Require CHAP authentication from peer", 1, &auth_required },
+    { "+chap", o_bool, &lcp_wantoptions[0].neg_chap,
+      "Require CHAP authentication from peer", 1, &auth_required },
+    { "refuse-chap", o_bool, &refuse_chap,
+      "Don't agree to auth to peer with CHAP", 1 },
+    { "-chap", o_bool, &refuse_chap,
+      "Don't allow CHAP authentication with peer", 1 },
+    { "name", o_string, our_name,
+      "Set local name for authentication",
+      OPT_PRIV|OPT_STATIC, NULL, MAXNAMELEN },
+    { "user", o_string, user,
+      "Set name for auth with peer", OPT_STATIC, NULL, MAXNAMELEN },
+    { "usehostname", o_bool, &usehostname,
+      "Must use hostname for authentication", 1 },
+    { "remotename", o_string, remote_name,
+      "Set remote name for authentication", OPT_STATIC,
+      &explicit_remote, MAXNAMELEN },
+    { "auth", o_bool, &auth_required,
+      "Require authentication from peer", 1 },
+    { "noauth", o_bool, &auth_required,
+      "Don't require peer to authenticate", OPT_PRIV, &allow_any_ip },
+    {  "login", o_bool, &uselogin,
+      "Use system password database for PAP", 1 },
+    { "papcrypt", o_bool, &cryptpap,
+      "PAP passwords are encrypted", 1 },
+    { "+ua", o_special, (void *)setupapfile,
+      "Get PAP user and password from file" },
+    { "password", o_string, passwd,
+      "Password for authenticating us to the peer", OPT_STATIC,
+      NULL, MAXSECRETLEN },
+    { "privgroup", o_special, (void *)privgroup,
+      "Allow group members to use privileged options", OPT_PRIV },
+    { "allow-ip", o_special, (void *)set_noauth_addr,
+      "Set IP address(es) which can be used without authentication",
+      OPT_PRIV },
+    { NULL }
+};
+#endif /* UNUSED */
+#if 0 /* UNUSED */
+/*
+ * setupapfile - specifies UPAP info for authenticating with peer.
+ */
+static int
+setupapfile(char **argv)
+{
+    FILE * ufile;
+    int l;
+
+    lcp_allowoptions[0].neg_upap = 1;
+
+    /* open user info file */
+    seteuid(getuid());
+    ufile = fopen(*argv, "r");
+    seteuid(0);
+    if (ufile == NULL) {
+      option_error("unable to open user login data file %s", *argv);
+      return 0;
+    }
+    check_access(ufile, *argv);
+
+    /* get username */
+    if (fgets(user, MAXNAMELEN - 1, ufile) == NULL
+        || fgets(passwd, MAXSECRETLEN - 1, ufile) == NULL){
+      option_error("unable to read user login data file %s", *argv);
+      return 0;
+    }
+    fclose(ufile);
+
+    /* get rid of newlines */
+    l = strlen(user);
+    if (l > 0 && user[l-1] == '\n')
+      user[l-1] = 0;
+    l = strlen(passwd);
+    if (l > 0 && passwd[l-1] == '\n')
+      passwd[l-1] = 0;
+
+    return (1);
+}
+#endif /* UNUSED */
+
+#if 0 /* UNUSED */
+/*
+ * privgroup - allow members of the group to have privileged access.
+ */
+static int
+privgroup(char **argv)
+{
+    struct group *g;
+    int i;
+
+    g = getgrnam(*argv);
+    if (g == 0) {
+      option_error("group %s is unknown", *argv);
+      return 0;
+    }
+    for (i = 0; i < ngroups; ++i) {
+      if (groups[i] == g->gr_gid) {
+        privileged = 1;
+        break;
+      }
+    }
+    return 1;
+}
+#endif
+
+#if 0 /* UNUSED */
+/*
+ * set_noauth_addr - set address(es) that can be used without authentication.
+ * Equivalent to specifying an entry like `"" * "" addr' in pap-secrets.
+ */
+static int
+set_noauth_addr(char **argv)
+{
+    char *addr = *argv;
+    int l = strlen(addr);
+    struct wordlist *wp;
+
+    wp = (struct wordlist *) malloc(sizeof(struct wordlist) + l + 1);
+    if (wp == NULL)
+      novm("allow-ip argument");
+    wp->word = (char *) (wp + 1);
+    wp->next = noauth_addrs;
+    BCOPY(addr, wp->word, l);
+    noauth_addrs = wp;
+    return 1;
+}
+#endif /* UNUSED */
+
+/*
+ * An Open on LCP has requested a change from Dead to Establish phase.
+ * Do what's necessary to bring the physical layer up.
+ */
+void
+link_required(int unit)
+{
+  LWIP_UNUSED_ARG(unit);
+
+  AUTHDEBUG(LOG_INFO, ("link_required: %d\n", unit));
+}
+
+/*
+ * LCP has terminated the link; go to the Dead phase and take the
+ * physical layer down.
+ */
+void
+link_terminated(int unit)
+{
+  AUTHDEBUG(LOG_INFO, ("link_terminated: %d\n", unit));
+  if (lcp_phase[unit] == PHASE_DEAD) {
+    return;
+  }
+  if (logged_in) {
+    plogout();
+  }
+  lcp_phase[unit] = PHASE_DEAD;
+  AUTHDEBUG(LOG_NOTICE, ("Connection terminated.\n"));
+  pppLinkTerminated(unit);
+}
+
+/*
+ * LCP has gone down; it will either die or try to re-establish.
+ */
+void
+link_down(int unit)
+{
+  int i;
+  struct protent *protp;
+
+  AUTHDEBUG(LOG_INFO, ("link_down: %d\n", unit));
+
+  if (did_authup) {
+    /* XXX Do link down processing. */
+    did_authup = 0;
+  }
+  for (i = 0; (protp = ppp_protocols[i]) != NULL; ++i) {
+    if (!protp->enabled_flag) {
+      continue;
+    }
+    if (protp->protocol != PPP_LCP && protp->lowerdown != NULL) {
+      (*protp->lowerdown)(unit);
+    }
+    if (protp->protocol < 0xC000 && protp->close != NULL) {
+      (*protp->close)(unit, "LCP down");
+    }
+  }
+  num_np_open = 0;  /* number of network protocols we have opened */
+  num_np_up = 0;    /* Number of network protocols which have come up */
+
+  if (lcp_phase[unit] != PHASE_DEAD) {
+    lcp_phase[unit] = PHASE_TERMINATE;
+  }
+  pppLinkDown(unit);
+}
+
+/*
+ * The link is established.
+ * Proceed to the Dead, Authenticate or Network phase as appropriate.
+ */
+void
+link_established(int unit)
+{
+  int auth;
+  int i;
+  struct protent *protp;
+  lcp_options *wo = &lcp_wantoptions[unit];
+  lcp_options *go = &lcp_gotoptions[unit];
+#if PAP_SUPPORT || CHAP_SUPPORT
+  lcp_options *ho = &lcp_hisoptions[unit];
+#endif /* PAP_SUPPORT || CHAP_SUPPORT */
+
+  AUTHDEBUG(LOG_INFO, ("link_established: unit %d; Lowering up all protocols...\n", unit));
+  /*
+   * Tell higher-level protocols that LCP is up.
+   */
+  for (i = 0; (protp = ppp_protocols[i]) != NULL; ++i) {
+    if (protp->protocol != PPP_LCP && protp->enabled_flag && protp->lowerup != NULL) {
+      (*protp->lowerup)(unit);
+    }
+  }
+  if (ppp_settings.auth_required && !(go->neg_chap || go->neg_upap)) {
+    /*
+     * We wanted the peer to authenticate itself, and it refused:
+     * treat it as though it authenticated with PAP using a username
+     * of "" and a password of "".  If that's not OK, boot it out.
+     */
+    if (!wo->neg_upap || !null_login(unit)) {
+      AUTHDEBUG(LOG_WARNING, ("peer refused to authenticate\n"));
+      lcp_close(unit, "peer refused to authenticate");
+      return;
+    }
+  }
+
+  lcp_phase[unit] = PHASE_AUTHENTICATE;
+  auth = 0;
+#if CHAP_SUPPORT
+  if (go->neg_chap) {
+    ChapAuthPeer(unit, ppp_settings.our_name, go->chap_mdtype);
+    auth |= CHAP_PEER;
+  } 
+#endif /* CHAP_SUPPORT */
+#if PAP_SUPPORT && CHAP_SUPPORT
+  else
+#endif /* PAP_SUPPORT && CHAP_SUPPORT */
+#if PAP_SUPPORT
+  if (go->neg_upap) {
+    upap_authpeer(unit);
+    auth |= PAP_PEER;
+  }
+#endif /* PAP_SUPPORT */
+#if CHAP_SUPPORT
+  if (ho->neg_chap) {
+    ChapAuthWithPeer(unit, ppp_settings.user, ho->chap_mdtype);
+    auth |= CHAP_WITHPEER;
+  }
+#endif /* CHAP_SUPPORT */
+#if PAP_SUPPORT && CHAP_SUPPORT
+  else
+#endif /* PAP_SUPPORT && CHAP_SUPPORT */
+#if PAP_SUPPORT
+  if (ho->neg_upap) {
+    if (ppp_settings.passwd[0] == 0) {
+      passwd_from_file = 1;
+      if (!get_pap_passwd(unit, ppp_settings.user, ppp_settings.passwd)) {
+        AUTHDEBUG(LOG_ERR, ("No secret found for PAP login\n"));
+      }
+    }
+    upap_authwithpeer(unit, ppp_settings.user, ppp_settings.passwd);
+    auth |= PAP_WITHPEER;
+  }
+#endif /* PAP_SUPPORT */
+  auth_pending[unit] = auth;
+
+  if (!auth) {
+    network_phase(unit);
+  }
+}
+
+/*
+ * Proceed to the network phase.
+ */
+static void
+network_phase(int unit)
+{
+  int i;
+  struct protent *protp;
+  lcp_options *go = &lcp_gotoptions[unit];
+
+  /*
+   * If the peer had to authenticate, run the auth-up script now.
+   */
+  if ((go->neg_chap || go->neg_upap) && !did_authup) {
+    /* XXX Do setup for peer authentication. */
+    did_authup = 1;
+  }
+
+#if CBCP_SUPPORT
+  /*
+   * If we negotiated callback, do it now.
+   */
+  if (go->neg_cbcp) {
+    lcp_phase[unit] = PHASE_CALLBACK;
+    (*cbcp_protent.open)(unit);
+    return;
+  }
+#endif /* CBCP_SUPPORT */
+
+  lcp_phase[unit] = PHASE_NETWORK;
+  for (i = 0; (protp = ppp_protocols[i]) != NULL; ++i) {
+    if (protp->protocol < 0xC000 && protp->enabled_flag && protp->open != NULL) {
+      (*protp->open)(unit);
+      if (protp->protocol != PPP_CCP) {
+        ++num_np_open;
+      }
+    }
+  }
+
+  if (num_np_open == 0) {
+    /* nothing to do */
+    lcp_close(0, "No network protocols running");
+  }
+}
+/* @todo: add void start_networks(void) here (pppd 2.3.11) */
+
+/*
+ * The peer has failed to authenticate himself using `protocol'.
+ */
+void
+auth_peer_fail(int unit, u16_t protocol)
+{
+  LWIP_UNUSED_ARG(protocol);
+
+  AUTHDEBUG(LOG_INFO, ("auth_peer_fail: %d proto=%X\n", unit, protocol));
+  /*
+   * Authentication failure: take the link down
+   */
+  lcp_close(unit, "Authentication failed");
+}
+
+
+#if PAP_SUPPORT || CHAP_SUPPORT
+/*
+ * The peer has been successfully authenticated using `protocol'.
+ */
+void
+auth_peer_success(int unit, u16_t protocol, char *name, int namelen)
+{
+  int pbit;
+
+  AUTHDEBUG(LOG_INFO, ("auth_peer_success: %d proto=%X\n", unit, protocol));
+  switch (protocol) {
+    case PPP_CHAP:
+      pbit = CHAP_PEER;
+      break;
+    case PPP_PAP:
+      pbit = PAP_PEER;
+      break;
+    default:
+      AUTHDEBUG(LOG_WARNING, ("auth_peer_success: unknown protocol %x\n", protocol));
+      return;
+  }
+
+  /*
+   * Save the authenticated name of the peer for later.
+   */
+  if (namelen > (int)sizeof(peer_authname) - 1) {
+    namelen = sizeof(peer_authname) - 1;
+  }
+  BCOPY(name, peer_authname, namelen);
+  peer_authname[namelen] = 0;
+  
+  /*
+   * If there is no more authentication still to be done,
+   * proceed to the network (or callback) phase.
+   */
+  if ((auth_pending[unit] &= ~pbit) == 0) {
+    network_phase(unit);
+  }
+}
+
+/*
+ * We have failed to authenticate ourselves to the peer using `protocol'.
+ */
+void
+auth_withpeer_fail(int unit, u16_t protocol)
+{
+  int errCode = PPPERR_AUTHFAIL;
+
+  LWIP_UNUSED_ARG(protocol);
+
+  AUTHDEBUG(LOG_INFO, ("auth_withpeer_fail: %d proto=%X\n", unit, protocol));
+  if (passwd_from_file) {
+    BZERO(ppp_settings.passwd, MAXSECRETLEN);
+  }
+
+  /*
+   * We've failed to authenticate ourselves to our peer.
+   * He'll probably take the link down, and there's not much
+   * we can do except wait for that.
+   */
+  pppIOCtl(unit, PPPCTLS_ERRCODE, &errCode);
+  lcp_close(unit, "Failed to authenticate ourselves to peer");
+}
+
+/*
+ * We have successfully authenticated ourselves with the peer using `protocol'.
+ */
+void
+auth_withpeer_success(int unit, u16_t protocol)
+{
+  int pbit;
+
+  AUTHDEBUG(LOG_INFO, ("auth_withpeer_success: %d proto=%X\n", unit, protocol));
+  switch (protocol) {
+    case PPP_CHAP:
+      pbit = CHAP_WITHPEER;
+      break;
+    case PPP_PAP:
+      if (passwd_from_file) {
+        BZERO(ppp_settings.passwd, MAXSECRETLEN);
+      }
+      pbit = PAP_WITHPEER;
+      break;
+    default:
+      AUTHDEBUG(LOG_WARNING, ("auth_peer_success: unknown protocol %x\n", protocol));
+      pbit = 0;
+  }
+
+  /*
+   * If there is no more authentication still being done,
+   * proceed to the network (or callback) phase.
+   */
+  if ((auth_pending[unit] &= ~pbit) == 0) {
+    network_phase(unit);
+  }
+}
+#endif /* PAP_SUPPORT || CHAP_SUPPORT */
+
+
+/*
+ * np_up - a network protocol has come up.
+ */
+void
+np_up(int unit, u16_t proto)
+{
+  LWIP_UNUSED_ARG(unit);
+  LWIP_UNUSED_ARG(proto);
+
+  AUTHDEBUG(LOG_INFO, ("np_up: %d proto=%X\n", unit, proto));
+  if (num_np_up == 0) {
+    AUTHDEBUG(LOG_INFO, ("np_up: maxconnect=%d idle_time_limit=%d\n",ppp_settings.maxconnect,ppp_settings.idle_time_limit));
+    /*
+     * At this point we consider that the link has come up successfully.
+     */
+    if (ppp_settings.idle_time_limit > 0) {
+      TIMEOUT(check_idle, NULL, ppp_settings.idle_time_limit);
+    }
+
+    /*
+     * Set a timeout to close the connection once the maximum
+     * connect time has expired.
+     */
+    if (ppp_settings.maxconnect > 0) {
+      TIMEOUT(connect_time_expired, 0, ppp_settings.maxconnect);
+    }
+  }
+  ++num_np_up;
+}
+
+/*
+ * np_down - a network protocol has gone down.
+ */
+void
+np_down(int unit, u16_t proto)
+{
+  LWIP_UNUSED_ARG(unit);
+  LWIP_UNUSED_ARG(proto);
+
+  AUTHDEBUG(LOG_INFO, ("np_down: %d proto=%X\n", unit, proto));
+  if (--num_np_up == 0 && ppp_settings.idle_time_limit > 0) {
+    UNTIMEOUT(check_idle, NULL);
+  }
+}
+
+/*
+ * np_finished - a network protocol has finished using the link.
+ */
+void
+np_finished(int unit, u16_t proto)
+{
+  LWIP_UNUSED_ARG(unit);
+  LWIP_UNUSED_ARG(proto);
+
+  AUTHDEBUG(LOG_INFO, ("np_finished: %d proto=%X\n", unit, proto));
+  if (--num_np_open <= 0) {
+    /* no further use for the link: shut up shop. */
+    lcp_close(0, "No network protocols running");
+  }
+}
+
+/*
+ * check_idle - check whether the link has been idle for long
+ * enough that we can shut it down.
+ */
+static void
+check_idle(void *arg)
+{
+  struct ppp_idle idle;
+  u_short itime;
+  
+  LWIP_UNUSED_ARG(arg);
+  if (!get_idle_time(0, &idle)) {
+    return;
+  }
+  itime = LWIP_MIN(idle.xmit_idle, idle.recv_idle);
+  if (itime >= ppp_settings.idle_time_limit) {
+    /* link is idle: shut it down. */
+    AUTHDEBUG(LOG_INFO, ("Terminating connection due to lack of activity.\n"));
+    lcp_close(0, "Link inactive");
+  } else {
+    TIMEOUT(check_idle, NULL, ppp_settings.idle_time_limit - itime);
+  }
+}
+
+/*
+ * connect_time_expired - log a message and close the connection.
+ */
+static void
+connect_time_expired(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+
+  AUTHDEBUG(LOG_INFO, ("Connect time expired\n"));
+  lcp_close(0, "Connect time expired");   /* Close connection */
+}
+
+#if 0 /* UNUSED */
+/*
+ * auth_check_options - called to check authentication options.
+ */
+void
+auth_check_options(void)
+{
+  lcp_options *wo = &lcp_wantoptions[0];
+  int can_auth;
+  ipcp_options *ipwo = &ipcp_wantoptions[0];
+  u32_t remote;
+
+  /* Default our_name to hostname, and user to our_name */
+  if (ppp_settings.our_name[0] == 0 || ppp_settings.usehostname) {
+      strcpy(ppp_settings.our_name, ppp_settings.hostname);
+  }
+
+  if (ppp_settings.user[0] == 0) {
+    strcpy(ppp_settings.user, ppp_settings.our_name);
+  }
+
+  /* If authentication is required, ask peer for CHAP or PAP. */
+  if (ppp_settings.auth_required && !wo->neg_chap && !wo->neg_upap) {
+    wo->neg_chap = 1;
+    wo->neg_upap = 1;
+  }
+  
+  /*
+   * Check whether we have appropriate secrets to use
+   * to authenticate the peer.
+   */
+  can_auth = wo->neg_upap && have_pap_secret();
+  if (!can_auth && wo->neg_chap) {
+    remote = ipwo->accept_remote? 0: ipwo->hisaddr;
+    can_auth = have_chap_secret(ppp_settings.remote_name, ppp_settings.our_name, remote);
+  }
+
+  if (ppp_settings.auth_required && !can_auth) {
+    ppp_panic("No auth secret");
+  }
+}
+#endif /* UNUSED */
+
+/*
+ * auth_reset - called when LCP is starting negotiations to recheck
+ * authentication options, i.e. whether we have appropriate secrets
+ * to use for authenticating ourselves and/or the peer.
+ */
+void
+auth_reset(int unit)
+{
+  lcp_options *go = &lcp_gotoptions[unit];
+  lcp_options *ao = &lcp_allowoptions[0];
+  ipcp_options *ipwo = &ipcp_wantoptions[0];
+  u32_t remote;
+
+  AUTHDEBUG(LOG_INFO, ("auth_reset: %d\n", unit));
+  ao->neg_upap = !ppp_settings.refuse_pap && (ppp_settings.passwd[0] != 0 || get_pap_passwd(unit, NULL, NULL));
+  ao->neg_chap = !ppp_settings.refuse_chap && ppp_settings.passwd[0] != 0 /*have_chap_secret(ppp_settings.user, ppp_settings.remote_name, (u32_t)0)*/;
+
+  if (go->neg_upap && !have_pap_secret()) {
+    go->neg_upap = 0;
+  }
+  if (go->neg_chap) {
+    remote = ipwo->accept_remote? 0: ipwo->hisaddr;
+    if (!have_chap_secret(ppp_settings.remote_name, ppp_settings.our_name, remote)) {
+      go->neg_chap = 0;
+    }
+  }
+}
+
+#if PAP_SUPPORT
+/*
+ * check_passwd - Check the user name and passwd against the PAP secrets
+ * file.  If requested, also check against the system password database,
+ * and login the user if OK.
+ *
+ * returns:
+ *  UPAP_AUTHNAK: Authentication failed.
+ *  UPAP_AUTHACK: Authentication succeeded.
+ * In either case, msg points to an appropriate message.
+ */
+u_char
+check_passwd( int unit, char *auser, int userlen, char *apasswd, int passwdlen, char **msg, int *msglen)
+{
+#if 1 /* XXX Assume all entries OK. */
+  LWIP_UNUSED_ARG(unit);
+  LWIP_UNUSED_ARG(auser);
+  LWIP_UNUSED_ARG(userlen);
+  LWIP_UNUSED_ARG(apasswd);
+  LWIP_UNUSED_ARG(passwdlen);
+  LWIP_UNUSED_ARG(msglen);
+  *msg = (char *) 0;
+  return UPAP_AUTHACK;     /* XXX Assume all entries OK. */
+#else
+  u_char ret = 0;
+  struct wordlist *addrs = NULL;
+  char passwd[256], user[256];
+  char secret[MAXWORDLEN];
+  static u_short attempts = 0;
+  
+  /*
+   * Make copies of apasswd and auser, then null-terminate them.
+   */
+  BCOPY(apasswd, passwd, passwdlen);
+  passwd[passwdlen] = '\0';
+  BCOPY(auser, user, userlen);
+  user[userlen] = '\0';
+  *msg = (char *) 0;
+
+  /* XXX Validate user name and password. */
+  ret = UPAP_AUTHACK;     /* XXX Assume all entries OK. */
+      
+  if (ret == UPAP_AUTHNAK) {
+    if (*msg == (char *) 0) {
+      *msg = "Login incorrect";
+    }
+    *msglen = strlen(*msg);
+    /*
+     * Frustrate passwd stealer programs.
+     * Allow 10 tries, but start backing off after 3 (stolen from login).
+     * On 10'th, drop the connection.
+     */
+    if (attempts++ >= 10) {
+      AUTHDEBUG(LOG_WARNING, ("%d LOGIN FAILURES BY %s\n", attempts, user));
+      /*ppp_panic("Excess Bad Logins");*/
+    }
+    if (attempts > 3) {
+      /* @todo: this was sleep(), i.e. seconds, not milliseconds
+       * I don't think we really need this in lwIP - we would block tcpip_thread!
+       */
+      /*sys_msleep((attempts - 3) * 5);*/
+    }
+    if (addrs != NULL) {
+      free_wordlist(addrs);
+    }
+  } else {
+    attempts = 0; /* Reset count */
+    if (*msg == (char *) 0) {
+      *msg = "Login ok";
+    }
+    *msglen = strlen(*msg);
+    set_allowed_addrs(unit, addrs);
+  }
+
+  BZERO(passwd, sizeof(passwd));
+  BZERO(secret, sizeof(secret));
+
+  return ret;
+#endif
+}
+#endif /* PAP_SUPPORT */
+
+#if 0 /* UNUSED */
+/*
+ * This function is needed for PAM.
+ */
+
+#ifdef USE_PAM
+
+/* lwip does not support PAM*/
+
+#endif  /* USE_PAM */
+
+#endif /* UNUSED */
+
+
+#if 0 /* UNUSED */
+/*
+ * plogin - Check the user name and password against the system
+ * password database, and login the user if OK.
+ *
+ * returns:
+ *  UPAP_AUTHNAK: Login failed.
+ *  UPAP_AUTHACK: Login succeeded.
+ * In either case, msg points to an appropriate message.
+ */
+static int
+plogin(char *user, char *passwd, char **msg, int *msglen)
+{
+
+  LWIP_UNUSED_ARG(user);
+  LWIP_UNUSED_ARG(passwd);
+  LWIP_UNUSED_ARG(msg);
+  LWIP_UNUSED_ARG(msglen);
+
+
+ /* The new lines are here align the file when 
+  * compared against the pppd 2.3.11 code */
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+  /* XXX Fail until we decide that we want to support logins. */
+  return (UPAP_AUTHNAK);
+}
+#endif
+
+
+
+/*
+ * plogout - Logout the user.
+ */
+static void
+plogout(void)
+{
+  logged_in = 0;
+}
+
+/*
+ * null_login - Check if a username of "" and a password of "" are
+ * acceptable, and iff so, set the list of acceptable IP addresses
+ * and return 1.
+ */
+static int
+null_login(int unit)
+{
+  LWIP_UNUSED_ARG(unit);
+  /* XXX Fail until we decide that we want to support logins. */
+  return 0;
+}
+
+
+/*
+ * get_pap_passwd - get a password for authenticating ourselves with
+ * our peer using PAP.  Returns 1 on success, 0 if no suitable password
+ * could be found.
+ */
+static int
+get_pap_passwd(int unit, char *user, char *passwd)
+{
+  LWIP_UNUSED_ARG(unit);
+/* normally we would reject PAP if no password is provided,
+   but this causes problems with some providers (like CHT in Taiwan)
+   who incorrectly request PAP and expect a bogus/empty password, so
+   always provide a default user/passwd of "none"/"none"
+
+   @todo: This should be configured by the user, instead of being hardcoded here!
+*/
+  if(user) {
+    strcpy(user, "none");
+  }
+  if(passwd) {
+    strcpy(passwd, "none");
+  }
+  return 1;
+}
+
+/*
+ * have_pap_secret - check whether we have a PAP file with any
+ * secrets that we could possibly use for authenticating the peer.
+ */
+static int
+have_pap_secret(void)
+{
+  /* XXX Fail until we set up our passwords. */
+  return 0;
+}
+
+/*
+ * have_chap_secret - check whether we have a CHAP file with a
+ * secret that we could possibly use for authenticating `client'
+ * on `server'.  Either can be the null string, meaning we don't
+ * know the identity yet.
+ */
+static int
+have_chap_secret(char *client, char *server, u32_t remote)
+{
+  LWIP_UNUSED_ARG(client);
+  LWIP_UNUSED_ARG(server);
+  LWIP_UNUSED_ARG(remote);
+
+  /* XXX Fail until we set up our passwords. */
+  return 0;
+}
+#if CHAP_SUPPORT
+
+/*
+ * get_secret - open the CHAP secret file and return the secret
+ * for authenticating the given client on the given server.
+ * (We could be either client or server).
+ */
+int
+get_secret(int unit, char *client, char *server, char *secret, int *secret_len, int save_addrs)
+{
+#if 1
+  int len;
+  struct wordlist *addrs;
+
+  LWIP_UNUSED_ARG(unit);
+  LWIP_UNUSED_ARG(server);
+  LWIP_UNUSED_ARG(save_addrs);
+
+  addrs = NULL;
+
+  if(!client || !client[0] || strcmp(client, ppp_settings.user)) {
+    return 0;
+  }
+
+  len = (int)strlen(ppp_settings.passwd);
+  if (len > MAXSECRETLEN) {
+    AUTHDEBUG(LOG_ERR, ("Secret for %s on %s is too long\n", client, server));
+    len = MAXSECRETLEN;
+  }
+
+  BCOPY(ppp_settings.passwd, secret, len);
+  *secret_len = len;
+
+  return 1;
+#else
+  int ret = 0, len;
+  struct wordlist *addrs;
+  char secbuf[MAXWORDLEN];
+  
+  addrs = NULL;
+  secbuf[0] = 0;
+
+  /* XXX Find secret. */
+  if (ret < 0) {
+    return 0;
+  }
+
+  if (save_addrs) {
+    set_allowed_addrs(unit, addrs);
+  }
+
+  len = strlen(secbuf);
+  if (len > MAXSECRETLEN) {
+    AUTHDEBUG(LOG_ERR, ("Secret for %s on %s is too long\n", client, server));
+    len = MAXSECRETLEN;
+  }
+
+  BCOPY(secbuf, secret, len);
+  BZERO(secbuf, sizeof(secbuf));
+  *secret_len = len;
+
+  return 1;
+#endif
+}
+#endif /* CHAP_SUPPORT */
+
+
+#if 0 /* PAP_SUPPORT || CHAP_SUPPORT */
+/*
+ * set_allowed_addrs() - set the list of allowed addresses.
+ */
+static void
+set_allowed_addrs(int unit, struct wordlist *addrs)
+{
+  if (addresses[unit] != NULL) {
+    free_wordlist(addresses[unit]);
+  }
+  addresses[unit] = addrs;
+
+#if 0
+  /*
+   * If there's only one authorized address we might as well
+   * ask our peer for that one right away
+   */
+  if (addrs != NULL && addrs->next == NULL) {
+    char *p = addrs->word;
+    struct ipcp_options *wo = &ipcp_wantoptions[unit];
+    u32_t a;
+    struct hostent *hp;
+    
+    if (wo->hisaddr == 0 && *p != '!' && *p != '-' && strchr(p, '/') == NULL) {
+      hp = gethostbyname(p);
+      if (hp != NULL && hp->h_addrtype == AF_INET) {
+        a = *(u32_t *)hp->h_addr;
+      } else {
+        a = inet_addr(p);
+      }
+      if (a != (u32_t) -1) {
+        wo->hisaddr = a;
+      }
+    }
+  }
+#endif
+}
+#endif /* 0 */ /* PAP_SUPPORT || CHAP_SUPPORT */
+
+/*
+ * auth_ip_addr - check whether the peer is authorized to use
+ * a given IP address.  Returns 1 if authorized, 0 otherwise.
+ */
+int
+auth_ip_addr(int unit, u32_t addr)
+{
+  return ip_addr_check(addr, addresses[unit]);
+}
+
+static int /* @todo: integrate this funtion into auth_ip_addr()*/
+ip_addr_check(u32_t addr, struct wordlist *addrs)
+{
+  /* don't allow loopback or multicast address */
+  if (bad_ip_adrs(addr)) {
+    return 0;
+  }
+
+  if (addrs == NULL) {
+    return !ppp_settings.auth_required; /* no addresses authorized */
+  }
+
+  /* XXX All other addresses allowed. */
+  return 1;
+}
+
+/*
+ * bad_ip_adrs - return 1 if the IP address is one we don't want
+ * to use, such as an address in the loopback net or a multicast address.
+ * addr is in network byte order.
+ */
+int
+bad_ip_adrs(u32_t addr)
+{
+  addr = ntohl(addr);
+  return (addr >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET
+      || IN_MULTICAST(addr) || IN_BADCLASS(addr);
+}
+
+#if 0 /* UNUSED */ /* PAP_SUPPORT || CHAP_SUPPORT */
+/*
+ * some_ip_ok - check a wordlist to see if it authorizes any
+ * IP address(es).
+ */
+static int
+some_ip_ok(struct wordlist *addrs)
+{
+    for (; addrs != 0; addrs = addrs->next) {
+      if (addrs->word[0] == '-')
+        break;
+      if (addrs->word[0] != '!')
+        return 1; /* some IP address is allowed */
+    }
+    return 0;
+}
+
+/*
+ * check_access - complain if a secret file has too-liberal permissions.
+ */
+static void
+check_access(FILE *f, char *filename)
+{
+    struct stat sbuf;
+
+    if (fstat(fileno(f), &sbuf) < 0) {
+      warn("cannot stat secret file %s: %m", filename);
+    } else if ((sbuf.st_mode & (S_IRWXG | S_IRWXO)) != 0) {
+      warn("Warning - secret file %s has world and/or group access",
+            filename);
+    }
+}
+
+
+/*
+ * scan_authfile - Scan an authorization file for a secret suitable
+ * for authenticating `client' on `server'.  The return value is -1
+ * if no secret is found, otherwise >= 0.  The return value has
+ * NONWILD_CLIENT set if the secret didn't have "*" for the client, and
+ * NONWILD_SERVER set if the secret didn't have "*" for the server.
+ * Any following words on the line up to a "--" (i.e. address authorization
+ * info) are placed in a wordlist and returned in *addrs.  Any
+ * following words (extra options) are placed in a wordlist and
+ * returned in *opts.
+ * We assume secret is NULL or points to MAXWORDLEN bytes of space.
+ */
+static int
+scan_authfile(FILE *f, char *client, char *server, char *secret, struct wordlist **addrs, struct wordlist **opts, char *filename)
+{
+  /* We do not (currently) need this in lwip  */
+  return 0; /* dummy */
+}
+/*
+ * free_wordlist - release memory allocated for a wordlist.
+ */
+static void
+free_wordlist(struct wordlist *wp)
+{
+  struct wordlist *next;
+
+  while (wp != NULL) {
+    next = wp->next;
+    free(wp);
+    wp = next;
+  }
+}
+
+/*
+ * auth_script_done - called when the auth-up or auth-down script
+ * has finished.
+ */
+static void
+auth_script_done(void *arg)
+{
+    auth_script_pid = 0;
+    switch (auth_script_state) {
+    case s_up:
+      if (auth_state == s_down) {
+        auth_script_state = s_down;
+        auth_script(_PATH_AUTHDOWN);
+      }
+      break;
+    case s_down:
+      if (auth_state == s_up) {
+        auth_script_state = s_up;
+        auth_script(_PATH_AUTHUP);
+      }
+      break;
+    }
+}
+
+/*
+ * auth_script - execute a script with arguments
+ * interface-name peer-name real-user tty speed
+ */
+static void
+auth_script(char *script)
+{
+    char strspeed[32];
+    struct passwd *pw;
+    char struid[32];
+    char *user_name;
+    char *argv[8];
+
+    if ((pw = getpwuid(getuid())) != NULL && pw->pw_name != NULL)
+      user_name = pw->pw_name;
+    else {
+      slprintf(struid, sizeof(struid), "%d", getuid());
+      user_name = struid;
+    }
+    slprintf(strspeed, sizeof(strspeed), "%d", baud_rate);
+
+    argv[0] = script;
+    argv[1] = ifname;
+    argv[2] = peer_authname;
+    argv[3] = user_name;
+    argv[4] = devnam;
+    argv[5] = strspeed;
+    argv[6] = NULL;
+
+    auth_script_pid = run_program(script, argv, 0, auth_script_done, NULL);
+}
+#endif  /* 0 */ /* PAP_SUPPORT || CHAP_SUPPORT */
+#endif /* PPP_SUPPORT */
diff --git a/libraries/net/lwip/lwip/netif/ppp/auth.h b/libraries/net/lwip/lwip/netif/ppp/auth.h
new file mode 100644
index 0000000000..a8069ec464
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/auth.h
@@ -0,0 +1,111 @@
+/*****************************************************************************
+* auth.h -  PPP Authentication and phase control header file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1998 Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-12-04 Guy Lancaster , Global Election Systems Inc.
+*   Original derived from BSD pppd.h.
+*****************************************************************************/
+/*
+ * pppd.h - PPP daemon global declarations.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
+
+#ifndef AUTH_H
+#define AUTH_H
+
+/***********************
+*** PUBLIC FUNCTIONS ***
+***********************/
+
+/* we are starting to use the link */
+void link_required (int);
+
+/* we are finished with the link */
+void link_terminated (int);
+
+/* the LCP layer has left the Opened state */
+void link_down (int);
+
+/* the link is up; authenticate now */
+void link_established (int);
+
+/* a network protocol has come up */
+void np_up (int, u16_t);
+
+/* a network protocol has gone down */
+void np_down (int, u16_t);
+
+/* a network protocol no longer needs link */
+void np_finished (int, u16_t);
+
+/* peer failed to authenticate itself */
+void auth_peer_fail (int, u16_t);
+
+/* peer successfully authenticated itself */
+void auth_peer_success (int, u16_t, char *, int);
+
+/* we failed to authenticate ourselves */
+void auth_withpeer_fail (int, u16_t);
+
+/* we successfully authenticated ourselves */
+void auth_withpeer_success (int, u16_t);
+
+/* check authentication options supplied */
+void auth_check_options (void);
+
+/* check what secrets we have */
+void auth_reset (int);
+
+/* Check peer-supplied username/password */
+u_char check_passwd (int, char *, int, char *, int, char **, int *);
+
+/* get "secret" for chap */
+int  get_secret (int, char *, char *, char *, int *, int);
+
+/* check if IP address is authorized */
+int  auth_ip_addr (int, u32_t);
+
+/* check if IP address is unreasonable */
+int  bad_ip_adrs (u32_t);
+
+#endif /* AUTH_H */
diff --git a/libraries/net/lwip/lwip/netif/ppp/chap.c b/libraries/net/lwip/lwip/netif/ppp/chap.c
new file mode 100644
index 0000000000..3a49ff8a5e
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/chap.c
@@ -0,0 +1,908 @@
+/*** WARNING - THIS HAS NEVER BEEN FINISHED ***/
+/*****************************************************************************
+* chap.c - Network Challenge Handshake Authentication Protocol program file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1997 by Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-12-04 Guy Lancaster , Global Election Systems Inc.
+*   Original based on BSD chap.c.
+*****************************************************************************/
+/*
+ * chap.c - Challenge Handshake Authentication Protocol.
+ *
+ * Copyright (c) 1993 The Australian National University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the Australian National University.  The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Copyright (c) 1991 Gregory M. Christy.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Gregory M. Christy.  The name of the author may not be used to
+ * endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include "lwip/opt.h"
+
+#if PPP_SUPPORT  /* don't build if not configured for use in lwipopts.h */
+
+#if CHAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#include "ppp.h"
+#include "pppdebug.h"
+
+#include "magic.h"
+#include "randm.h"
+#include "auth.h"
+#include "md5.h"
+#include "chap.h"
+#include "chpms.h"
+
+#include 
+
+#if 0 /* UNUSED */
+/*
+ * Command-line options.
+ */
+static option_t chap_option_list[] = {
+    { "chap-restart", o_int, &chap[0].timeouttime,
+      "Set timeout for CHAP" },
+    { "chap-max-challenge", o_int, &chap[0].max_transmits,
+      "Set max #xmits for challenge" },
+    { "chap-interval", o_int, &chap[0].chal_interval,
+      "Set interval for rechallenge" },
+#ifdef MSLANMAN
+    { "ms-lanman", o_bool, &ms_lanman,
+      "Use LanMan passwd when using MS-CHAP", 1 },
+#endif
+    { NULL }
+};
+#endif /* UNUSED */
+
+/*
+ * Protocol entry points.
+ */
+static void ChapInit (int);
+static void ChapLowerUp (int);
+static void ChapLowerDown (int);
+static void ChapInput (int, u_char *, int);
+static void ChapProtocolReject (int);
+#if PPP_ADDITIONAL_CALLBACKS
+static int  ChapPrintPkt (u_char *, int, void (*) (void *, char *, ...), void *);
+#endif
+
+struct protent chap_protent = {
+  PPP_CHAP,
+  ChapInit,
+  ChapInput,
+  ChapProtocolReject,
+  ChapLowerUp,
+  ChapLowerDown,
+  NULL,
+  NULL,
+#if PPP_ADDITIONAL_CALLBACKS
+  ChapPrintPkt,
+  NULL,
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+  1,
+  "CHAP",
+#if PPP_ADDITIONAL_CALLBACKS
+  NULL,
+  NULL,
+  NULL
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+};
+
+chap_state chap[NUM_PPP]; /* CHAP state; one for each unit */
+
+static void ChapChallengeTimeout (void *);
+static void ChapResponseTimeout (void *);
+static void ChapReceiveChallenge (chap_state *, u_char *, u_char, int);
+static void ChapRechallenge (void *);
+static void ChapReceiveResponse (chap_state *, u_char *, int, int);
+static void ChapReceiveSuccess(chap_state *cstate, u_char *inp, u_char id, int len);
+static void ChapReceiveFailure(chap_state *cstate, u_char *inp, u_char id, int len);
+static void ChapSendStatus (chap_state *, int);
+static void ChapSendChallenge (chap_state *);
+static void ChapSendResponse (chap_state *);
+static void ChapGenChallenge (chap_state *);
+
+/*
+ * ChapInit - Initialize a CHAP unit.
+ */
+static void
+ChapInit(int unit)
+{
+  chap_state *cstate = &chap[unit];
+
+  BZERO(cstate, sizeof(*cstate));
+  cstate->unit = unit;
+  cstate->clientstate = CHAPCS_INITIAL;
+  cstate->serverstate = CHAPSS_INITIAL;
+  cstate->timeouttime = CHAP_DEFTIMEOUT;
+  cstate->max_transmits = CHAP_DEFTRANSMITS;
+  /* random number generator is initialized in magic_init */
+}
+
+
+/*
+ * ChapAuthWithPeer - Authenticate us with our peer (start client).
+ *
+ */
+void
+ChapAuthWithPeer(int unit, char *our_name, u_char digest)
+{
+  chap_state *cstate = &chap[unit];
+
+  cstate->resp_name = our_name;
+  cstate->resp_type = digest;
+
+  if (cstate->clientstate == CHAPCS_INITIAL ||
+      cstate->clientstate == CHAPCS_PENDING) {
+    /* lower layer isn't up - wait until later */
+    cstate->clientstate = CHAPCS_PENDING;
+    return;
+  }
+
+  /*
+   * We get here as a result of LCP coming up.
+   * So even if CHAP was open before, we will 
+   * have to re-authenticate ourselves.
+   */
+  cstate->clientstate = CHAPCS_LISTEN;
+}
+
+
+/*
+ * ChapAuthPeer - Authenticate our peer (start server).
+ */
+void
+ChapAuthPeer(int unit, char *our_name, u_char digest)
+{
+  chap_state *cstate = &chap[unit];
+
+  cstate->chal_name = our_name;
+  cstate->chal_type = digest;
+  
+  if (cstate->serverstate == CHAPSS_INITIAL ||
+      cstate->serverstate == CHAPSS_PENDING) {
+    /* lower layer isn't up - wait until later */
+    cstate->serverstate = CHAPSS_PENDING;
+    return;
+  }
+
+  ChapGenChallenge(cstate);
+  ChapSendChallenge(cstate);    /* crank it up dude! */
+  cstate->serverstate = CHAPSS_INITIAL_CHAL;
+}
+
+
+/*
+ * ChapChallengeTimeout - Timeout expired on sending challenge.
+ */
+static void
+ChapChallengeTimeout(void *arg)
+{
+  chap_state *cstate = (chap_state *) arg;
+
+  /* if we aren't sending challenges, don't worry.  then again we */
+  /* probably shouldn't be here either */
+  if (cstate->serverstate != CHAPSS_INITIAL_CHAL &&
+      cstate->serverstate != CHAPSS_RECHALLENGE) {
+    return;
+  }
+
+  if (cstate->chal_transmits >= cstate->max_transmits) {
+    /* give up on peer */
+    CHAPDEBUG(LOG_ERR, ("Peer failed to respond to CHAP challenge\n"));
+    cstate->serverstate = CHAPSS_BADAUTH;
+    auth_peer_fail(cstate->unit, PPP_CHAP);
+    return;
+  }
+
+  ChapSendChallenge(cstate); /* Re-send challenge */
+}
+
+
+/*
+ * ChapResponseTimeout - Timeout expired on sending response.
+ */
+static void
+ChapResponseTimeout(void *arg)
+{
+  chap_state *cstate = (chap_state *) arg;
+
+  /* if we aren't sending a response, don't worry. */
+  if (cstate->clientstate != CHAPCS_RESPONSE) {
+    return;
+  }
+
+  ChapSendResponse(cstate);    /* re-send response */
+}
+
+
+/*
+ * ChapRechallenge - Time to challenge the peer again.
+ */
+static void
+ChapRechallenge(void *arg)
+{
+  chap_state *cstate = (chap_state *) arg;
+  
+  /* if we aren't sending a response, don't worry. */
+  if (cstate->serverstate != CHAPSS_OPEN) {
+    return;
+  }
+
+  ChapGenChallenge(cstate);
+  ChapSendChallenge(cstate);
+  cstate->serverstate = CHAPSS_RECHALLENGE;
+}
+
+
+/*
+ * ChapLowerUp - The lower layer is up.
+ *
+ * Start up if we have pending requests.
+ */
+static void
+ChapLowerUp(int unit)
+{
+  chap_state *cstate = &chap[unit];
+
+  if (cstate->clientstate == CHAPCS_INITIAL) {
+    cstate->clientstate = CHAPCS_CLOSED;
+  } else if (cstate->clientstate == CHAPCS_PENDING) {
+    cstate->clientstate = CHAPCS_LISTEN;
+  }
+
+  if (cstate->serverstate == CHAPSS_INITIAL) {
+    cstate->serverstate = CHAPSS_CLOSED;
+  } else if (cstate->serverstate == CHAPSS_PENDING) {
+    ChapGenChallenge(cstate);
+    ChapSendChallenge(cstate);
+    cstate->serverstate = CHAPSS_INITIAL_CHAL;
+  }
+}
+
+
+/*
+ * ChapLowerDown - The lower layer is down.
+ *
+ * Cancel all timeouts.
+ */
+static void
+ChapLowerDown(int unit)
+{
+  chap_state *cstate = &chap[unit];
+
+  /* Timeout(s) pending?  Cancel if so. */
+  if (cstate->serverstate == CHAPSS_INITIAL_CHAL ||
+      cstate->serverstate == CHAPSS_RECHALLENGE) {
+    UNTIMEOUT(ChapChallengeTimeout, cstate);
+  } else if (cstate->serverstate == CHAPSS_OPEN
+      && cstate->chal_interval != 0) {
+    UNTIMEOUT(ChapRechallenge, cstate);
+  }
+  if (cstate->clientstate == CHAPCS_RESPONSE) {
+    UNTIMEOUT(ChapResponseTimeout, cstate);
+  }
+  cstate->clientstate = CHAPCS_INITIAL;
+  cstate->serverstate = CHAPSS_INITIAL;
+}
+
+
+/*
+ * ChapProtocolReject - Peer doesn't grok CHAP.
+ */
+static void
+ChapProtocolReject(int unit)
+{
+  chap_state *cstate = &chap[unit];
+  
+  if (cstate->serverstate != CHAPSS_INITIAL &&
+      cstate->serverstate != CHAPSS_CLOSED) {
+    auth_peer_fail(unit, PPP_CHAP);
+  }
+  if (cstate->clientstate != CHAPCS_INITIAL &&
+      cstate->clientstate != CHAPCS_CLOSED) {
+    auth_withpeer_fail(unit, PPP_CHAP); /* lwip: just sets the PPP error code on this unit to PPPERR_AUTHFAIL */
+  }
+  ChapLowerDown(unit); /* shutdown chap */
+}
+
+
+/*
+ * ChapInput - Input CHAP packet.
+ */
+static void
+ChapInput(int unit, u_char *inpacket, int packet_len)
+{
+  chap_state *cstate = &chap[unit];
+  u_char *inp;
+  u_char code, id;
+  int len;
+  
+  /*
+   * Parse header (code, id and length).
+   * If packet too short, drop it.
+   */
+  inp = inpacket;
+  if (packet_len < CHAP_HEADERLEN) {
+    CHAPDEBUG(LOG_INFO, ("ChapInput: rcvd short header.\n"));
+    return;
+  }
+  GETCHAR(code, inp);
+  GETCHAR(id, inp);
+  GETSHORT(len, inp);
+  if (len < CHAP_HEADERLEN) {
+    CHAPDEBUG(LOG_INFO, ("ChapInput: rcvd illegal length.\n"));
+    return;
+  }
+  if (len > packet_len) {
+    CHAPDEBUG(LOG_INFO, ("ChapInput: rcvd short packet.\n"));
+    return;
+  }
+  len -= CHAP_HEADERLEN;
+  
+  /*
+   * Action depends on code (as in fact it usually does :-).
+   */
+  switch (code) {
+    case CHAP_CHALLENGE:
+      ChapReceiveChallenge(cstate, inp, id, len);
+      break;
+    
+    case CHAP_RESPONSE:
+      ChapReceiveResponse(cstate, inp, id, len);
+      break;
+    
+    case CHAP_FAILURE:
+      ChapReceiveFailure(cstate, inp, id, len);
+      break;
+    
+    case CHAP_SUCCESS:
+      ChapReceiveSuccess(cstate, inp, id, len);
+      break;
+    
+    default:        /* Need code reject? */
+      CHAPDEBUG(LOG_WARNING, ("Unknown CHAP code (%d) received.\n", code));
+      break;
+  }
+}
+
+
+/*
+ * ChapReceiveChallenge - Receive Challenge and send Response.
+ */
+static void
+ChapReceiveChallenge(chap_state *cstate, u_char *inp, u_char id, int len)
+{
+  int rchallenge_len;
+  u_char *rchallenge;
+  int secret_len;
+  char secret[MAXSECRETLEN];
+  char rhostname[256];
+  MD5_CTX mdContext;
+  u_char hash[MD5_SIGNATURE_SIZE];
+
+  CHAPDEBUG(LOG_INFO, ("ChapReceiveChallenge: Rcvd id %d.\n", id));
+  if (cstate->clientstate == CHAPCS_CLOSED ||
+    cstate->clientstate == CHAPCS_PENDING) {
+    CHAPDEBUG(LOG_INFO, ("ChapReceiveChallenge: in state %d\n",
+         cstate->clientstate));
+    return;
+  }
+
+  if (len < 2) {
+    CHAPDEBUG(LOG_INFO, ("ChapReceiveChallenge: rcvd short packet.\n"));
+    return;
+  }
+
+  GETCHAR(rchallenge_len, inp);
+  len -= sizeof (u_char) + rchallenge_len;  /* now name field length */
+  if (len < 0) {
+    CHAPDEBUG(LOG_INFO, ("ChapReceiveChallenge: rcvd short packet.\n"));
+    return;
+  }
+  rchallenge = inp;
+  INCPTR(rchallenge_len, inp);
+
+  if (len >= (int)sizeof(rhostname)) {
+    len = sizeof(rhostname) - 1;
+  }
+  BCOPY(inp, rhostname, len);
+  rhostname[len] = '\000';
+
+  CHAPDEBUG(LOG_INFO, ("ChapReceiveChallenge: received name field '%s'\n",
+             rhostname));
+
+  /* Microsoft doesn't send their name back in the PPP packet */
+  if (ppp_settings.remote_name[0] != 0 && (ppp_settings.explicit_remote || rhostname[0] == 0)) {
+    strncpy(rhostname, ppp_settings.remote_name, sizeof(rhostname));
+    rhostname[sizeof(rhostname) - 1] = 0;
+    CHAPDEBUG(LOG_INFO, ("ChapReceiveChallenge: using '%s' as remote name\n",
+               rhostname));
+  }
+
+  /* get secret for authenticating ourselves with the specified host */
+  if (!get_secret(cstate->unit, cstate->resp_name, rhostname,
+                  secret, &secret_len, 0)) {
+    secret_len = 0;    /* assume null secret if can't find one */
+    CHAPDEBUG(LOG_WARNING, ("No CHAP secret found for authenticating us to %s\n",
+               rhostname));
+  }
+
+  /* cancel response send timeout if necessary */
+  if (cstate->clientstate == CHAPCS_RESPONSE) {
+    UNTIMEOUT(ChapResponseTimeout, cstate);
+  }
+
+  cstate->resp_id = id;
+  cstate->resp_transmits = 0;
+
+  /*  generate MD based on negotiated type */
+  switch (cstate->resp_type) { 
+
+  case CHAP_DIGEST_MD5:
+    MD5Init(&mdContext);
+    MD5Update(&mdContext, &cstate->resp_id, 1);
+    MD5Update(&mdContext, (u_char*)secret, secret_len);
+    MD5Update(&mdContext, rchallenge, rchallenge_len);
+    MD5Final(hash, &mdContext);
+    BCOPY(hash, cstate->response, MD5_SIGNATURE_SIZE);
+    cstate->resp_length = MD5_SIGNATURE_SIZE;
+    break;
+  
+#if MSCHAP_SUPPORT
+  case CHAP_MICROSOFT:
+    ChapMS(cstate, rchallenge, rchallenge_len, secret, secret_len);
+    break;
+#endif
+
+  default:
+    CHAPDEBUG(LOG_INFO, ("unknown digest type %d\n", cstate->resp_type));
+    return;
+  }
+
+  BZERO(secret, sizeof(secret));
+  ChapSendResponse(cstate);
+}
+
+
+/*
+ * ChapReceiveResponse - Receive and process response.
+ */
+static void
+ChapReceiveResponse(chap_state *cstate, u_char *inp, int id, int len)
+{
+  u_char *remmd, remmd_len;
+  int secret_len, old_state;
+  int code;
+  char rhostname[256];
+  MD5_CTX mdContext;
+  char secret[MAXSECRETLEN];
+  u_char hash[MD5_SIGNATURE_SIZE];
+
+  CHAPDEBUG(LOG_INFO, ("ChapReceiveResponse: Rcvd id %d.\n", id));
+  
+  if (cstate->serverstate == CHAPSS_CLOSED ||
+      cstate->serverstate == CHAPSS_PENDING) {
+    CHAPDEBUG(LOG_INFO, ("ChapReceiveResponse: in state %d\n",
+    cstate->serverstate));
+    return;
+  }
+
+  if (id != cstate->chal_id) {
+    return;      /* doesn't match ID of last challenge */
+  }
+
+  /*
+  * If we have received a duplicate or bogus Response,
+  * we have to send the same answer (Success/Failure)
+  * as we did for the first Response we saw.
+  */
+  if (cstate->serverstate == CHAPSS_OPEN) {
+    ChapSendStatus(cstate, CHAP_SUCCESS);
+    return;
+  }
+  if (cstate->serverstate == CHAPSS_BADAUTH) {
+    ChapSendStatus(cstate, CHAP_FAILURE);
+    return;
+  }
+  
+  if (len < 2) {
+    CHAPDEBUG(LOG_INFO, ("ChapReceiveResponse: rcvd short packet.\n"));
+    return;
+  }
+  GETCHAR(remmd_len, inp); /* get length of MD */
+  remmd = inp;             /* get pointer to MD */
+  INCPTR(remmd_len, inp);
+  
+  len -= sizeof (u_char) + remmd_len;
+  if (len < 0) {
+    CHAPDEBUG(LOG_INFO, ("ChapReceiveResponse: rcvd short packet.\n"));
+    return;
+  }
+
+  UNTIMEOUT(ChapChallengeTimeout, cstate);
+  
+  if (len >= (int)sizeof(rhostname)) {
+    len = sizeof(rhostname) - 1;
+  }
+  BCOPY(inp, rhostname, len);
+  rhostname[len] = '\000';
+
+  CHAPDEBUG(LOG_INFO, ("ChapReceiveResponse: received name field: %s\n",
+             rhostname));
+
+  /*
+  * Get secret for authenticating them with us,
+  * do the hash ourselves, and compare the result.
+  */
+  code = CHAP_FAILURE;
+  if (!get_secret(cstate->unit, rhostname, cstate->chal_name,
+                  secret, &secret_len, 1)) {
+    CHAPDEBUG(LOG_WARNING, ("No CHAP secret found for authenticating %s\n",
+               rhostname));
+  } else {
+    /*  generate MD based on negotiated type */
+    switch (cstate->chal_type) {
+
+      case CHAP_DIGEST_MD5:    /* only MD5 is defined for now */
+        if (remmd_len != MD5_SIGNATURE_SIZE) {
+          break;      /* it's not even the right length */
+        }
+        MD5Init(&mdContext);
+        MD5Update(&mdContext, &cstate->chal_id, 1);
+        MD5Update(&mdContext, (u_char*)secret, secret_len);
+        MD5Update(&mdContext, cstate->challenge, cstate->chal_len);
+        MD5Final(hash, &mdContext); 
+        
+        /* compare local and remote MDs and send the appropriate status */
+        if (memcmp (hash, remmd, MD5_SIGNATURE_SIZE) == 0) {
+          code = CHAP_SUCCESS;  /* they are the same! */
+        }
+        break;
+      
+      default:
+        CHAPDEBUG(LOG_INFO, ("unknown digest type %d\n", cstate->chal_type));
+    }
+  }
+  
+  BZERO(secret, sizeof(secret));
+  ChapSendStatus(cstate, code);
+
+  if (code == CHAP_SUCCESS) {
+    old_state = cstate->serverstate;
+    cstate->serverstate = CHAPSS_OPEN;
+    if (old_state == CHAPSS_INITIAL_CHAL) {
+      auth_peer_success(cstate->unit, PPP_CHAP, rhostname, len);
+    }
+    if (cstate->chal_interval != 0) {
+      TIMEOUT(ChapRechallenge, cstate, cstate->chal_interval);
+    }
+  } else {
+    CHAPDEBUG(LOG_ERR, ("CHAP peer authentication failed\n"));
+    cstate->serverstate = CHAPSS_BADAUTH;
+    auth_peer_fail(cstate->unit, PPP_CHAP);
+  }
+}
+
+/*
+ * ChapReceiveSuccess - Receive Success
+ */
+static void
+ChapReceiveSuccess(chap_state *cstate, u_char *inp, u_char id, int len)
+{
+  LWIP_UNUSED_ARG(id);
+  LWIP_UNUSED_ARG(inp);
+
+  CHAPDEBUG(LOG_INFO, ("ChapReceiveSuccess: Rcvd id %d.\n", id));
+
+  if (cstate->clientstate == CHAPCS_OPEN) {
+    /* presumably an answer to a duplicate response */
+    return;
+  }
+
+  if (cstate->clientstate != CHAPCS_RESPONSE) {
+    /* don't know what this is */
+    CHAPDEBUG(LOG_INFO, ("ChapReceiveSuccess: in state %d\n",
+               cstate->clientstate));
+    return;
+  }
+  
+  UNTIMEOUT(ChapResponseTimeout, cstate);
+  
+  /*
+   * Print message.
+   */
+  if (len > 0) {
+    PRINTMSG(inp, len);
+  }
+
+  cstate->clientstate = CHAPCS_OPEN;
+
+  auth_withpeer_success(cstate->unit, PPP_CHAP);
+}
+
+
+/*
+ * ChapReceiveFailure - Receive failure.
+ */
+static void
+ChapReceiveFailure(chap_state *cstate, u_char *inp, u_char id, int len)
+{
+  LWIP_UNUSED_ARG(id);
+  LWIP_UNUSED_ARG(inp);
+
+  CHAPDEBUG(LOG_INFO, ("ChapReceiveFailure: Rcvd id %d.\n", id));
+
+  if (cstate->clientstate != CHAPCS_RESPONSE) {
+    /* don't know what this is */
+    CHAPDEBUG(LOG_INFO, ("ChapReceiveFailure: in state %d\n",
+               cstate->clientstate));
+    return;
+  }
+
+  UNTIMEOUT(ChapResponseTimeout, cstate);
+
+  /*
+   * Print message.
+   */
+  if (len > 0) {
+    PRINTMSG(inp, len);
+  }
+
+  CHAPDEBUG(LOG_ERR, ("CHAP authentication failed\n"));
+  auth_withpeer_fail(cstate->unit, PPP_CHAP); /* lwip: just sets the PPP error code on this unit to PPPERR_AUTHFAIL */
+}
+
+
+/*
+ * ChapSendChallenge - Send an Authenticate challenge.
+ */
+static void
+ChapSendChallenge(chap_state *cstate)
+{
+  u_char *outp;
+  int chal_len, name_len;
+  int outlen;
+  
+  chal_len = cstate->chal_len;
+  name_len = (int)strlen(cstate->chal_name);
+  outlen = CHAP_HEADERLEN + sizeof (u_char) + chal_len + name_len;
+  outp = outpacket_buf[cstate->unit];
+
+  MAKEHEADER(outp, PPP_CHAP);    /* paste in a CHAP header */
+
+  PUTCHAR(CHAP_CHALLENGE, outp);
+  PUTCHAR(cstate->chal_id, outp);
+  PUTSHORT(outlen, outp);
+
+  PUTCHAR(chal_len, outp);    /* put length of challenge */
+  BCOPY(cstate->challenge, outp, chal_len);
+  INCPTR(chal_len, outp);
+
+  BCOPY(cstate->chal_name, outp, name_len);  /* append hostname */
+  
+  pppWrite(cstate->unit, outpacket_buf[cstate->unit], outlen + PPP_HDRLEN);
+
+  CHAPDEBUG(LOG_INFO, ("ChapSendChallenge: Sent id %d.\n", cstate->chal_id));
+  
+  TIMEOUT(ChapChallengeTimeout, cstate, cstate->timeouttime);
+  ++cstate->chal_transmits;
+}
+
+
+/*
+ * ChapSendStatus - Send a status response (ack or nak).
+ */
+static void
+ChapSendStatus(chap_state *cstate, int code)
+{
+  u_char *outp;
+  int outlen, msglen;
+  char msg[256]; /* @todo: this can be a char*, no strcpy needed */
+
+  if (code == CHAP_SUCCESS) {
+    strcpy(msg, "Welcome!");
+  } else {
+    strcpy(msg, "I don't like you.  Go 'way.");
+  }
+  msglen = (int)strlen(msg);
+
+  outlen = CHAP_HEADERLEN + msglen;
+  outp = outpacket_buf[cstate->unit];
+
+  MAKEHEADER(outp, PPP_CHAP);    /* paste in a header */
+  
+  PUTCHAR(code, outp);
+  PUTCHAR(cstate->chal_id, outp);
+  PUTSHORT(outlen, outp);
+  BCOPY(msg, outp, msglen);
+  pppWrite(cstate->unit, outpacket_buf[cstate->unit], outlen + PPP_HDRLEN);
+
+  CHAPDEBUG(LOG_INFO, ("ChapSendStatus: Sent code %d, id %d.\n", code,
+             cstate->chal_id));
+}
+
+/*
+ * ChapGenChallenge is used to generate a pseudo-random challenge string of
+ * a pseudo-random length between min_len and max_len.  The challenge
+ * string and its length are stored in *cstate, and various other fields of
+ * *cstate are initialized.
+ */
+
+static void
+ChapGenChallenge(chap_state *cstate)
+{
+  int chal_len;
+  u_char *ptr = cstate->challenge;
+  int i;
+
+  /* pick a random challenge length between MIN_CHALLENGE_LENGTH and 
+     MAX_CHALLENGE_LENGTH */  
+  chal_len = (unsigned)
+        ((((magic() >> 16) *
+              (MAX_CHALLENGE_LENGTH - MIN_CHALLENGE_LENGTH)) >> 16)
+           + MIN_CHALLENGE_LENGTH);
+  LWIP_ASSERT("chal_len <= 0xff", chal_len <= 0xffff);
+  cstate->chal_len = (u_char)chal_len;
+  cstate->chal_id = ++cstate->id;
+  cstate->chal_transmits = 0;
+
+  /* generate a random string */
+  for (i = 0; i < chal_len; i++ ) {
+    *ptr++ = (char) (magic() & 0xff);
+  }
+}
+
+/*
+ * ChapSendResponse - send a response packet with values as specified
+ * in *cstate.
+ */
+/* ARGSUSED */
+static void
+ChapSendResponse(chap_state *cstate)
+{
+  u_char *outp;
+  int outlen, md_len, name_len;
+
+  md_len = cstate->resp_length;
+  name_len = (int)strlen(cstate->resp_name);
+  outlen = CHAP_HEADERLEN + sizeof (u_char) + md_len + name_len;
+  outp = outpacket_buf[cstate->unit];
+
+  MAKEHEADER(outp, PPP_CHAP);
+  
+  PUTCHAR(CHAP_RESPONSE, outp);  /* we are a response */
+  PUTCHAR(cstate->resp_id, outp);  /* copy id from challenge packet */
+  PUTSHORT(outlen, outp);      /* packet length */
+  
+  PUTCHAR(md_len, outp);      /* length of MD */
+  BCOPY(cstate->response, outp, md_len);    /* copy MD to buffer */
+  INCPTR(md_len, outp);
+
+  BCOPY(cstate->resp_name, outp, name_len);  /* append our name */
+
+  /* send the packet */
+  pppWrite(cstate->unit, outpacket_buf[cstate->unit], outlen + PPP_HDRLEN);
+
+  cstate->clientstate = CHAPCS_RESPONSE;
+  TIMEOUT(ChapResponseTimeout, cstate, cstate->timeouttime);
+  ++cstate->resp_transmits;
+}
+
+#if PPP_ADDITIONAL_CALLBACKS
+static char *ChapCodenames[] = {
+  "Challenge", "Response", "Success", "Failure"
+};
+/*
+ * ChapPrintPkt - print the contents of a CHAP packet.
+ */
+static int
+ChapPrintPkt( u_char *p, int plen, void (*printer) (void *, char *, ...), void *arg)
+{
+  int code, id, len;
+  int clen, nlen;
+  u_char x;
+
+  if (plen < CHAP_HEADERLEN) {
+    return 0;
+  }
+  GETCHAR(code, p);
+  GETCHAR(id, p);
+  GETSHORT(len, p);
+  if (len < CHAP_HEADERLEN || len > plen) {
+    return 0;
+  }
+
+  if (code >= 1 && code <= sizeof(ChapCodenames) / sizeof(char *)) {
+    printer(arg, " %s", ChapCodenames[code-1]);
+  } else {
+    printer(arg, " code=0x%x", code);
+  }
+  printer(arg, " id=0x%x", id);
+  len -= CHAP_HEADERLEN;
+  switch (code) {
+    case CHAP_CHALLENGE:
+    case CHAP_RESPONSE:
+      if (len < 1) {
+        break;
+      }
+      clen = p[0];
+      if (len < clen + 1) {
+        break;
+      }
+      ++p;
+      nlen = len - clen - 1;
+      printer(arg, " <");
+      for (; clen > 0; --clen) {
+        GETCHAR(x, p);
+        printer(arg, "%.2x", x);
+      }
+      printer(arg, ">, name = %.*Z", nlen, p);
+      break;
+    case CHAP_FAILURE:
+    case CHAP_SUCCESS:
+      printer(arg, " %.*Z", len, p);
+      break;
+    default:
+      for (clen = len; clen > 0; --clen) {
+        GETCHAR(x, p);
+        printer(arg, " %.2x", x);
+      }
+  }
+
+  return len + CHAP_HEADERLEN;
+}
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+
+#endif /* CHAP_SUPPORT */
+
+#endif /* PPP_SUPPORT */
diff --git a/libraries/net/lwip/lwip/netif/ppp/chap.h b/libraries/net/lwip/lwip/netif/ppp/chap.h
new file mode 100644
index 0000000000..fedcab8da1
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/chap.h
@@ -0,0 +1,150 @@
+/*****************************************************************************
+* chap.h - Network Challenge Handshake Authentication Protocol header file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1998 Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-12-03 Guy Lancaster , Global Election Systems Inc.
+*   Original built from BSD network code.
+******************************************************************************/
+/*
+ * chap.h - Challenge Handshake Authentication Protocol definitions.
+ *
+ * Copyright (c) 1993 The Australian National University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the Australian National University.  The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Copyright (c) 1991 Gregory M. Christy
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the author.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * $Id: chap.h,v 1.6 2010/01/24 13:19:34 goldsimon Exp $
+ */
+
+#ifndef CHAP_H
+#define CHAP_H
+
+/* Code + ID + length */
+#define CHAP_HEADERLEN 4
+
+/*
+ * CHAP codes.
+ */
+
+#define CHAP_DIGEST_MD5      5    /* use MD5 algorithm */
+#define MD5_SIGNATURE_SIZE   16   /* 16 bytes in a MD5 message digest */
+#define CHAP_MICROSOFT       0x80 /* use Microsoft-compatible alg. */
+#define MS_CHAP_RESPONSE_LEN 49   /* Response length for MS-CHAP */
+
+#define CHAP_CHALLENGE       1
+#define CHAP_RESPONSE        2
+#define CHAP_SUCCESS         3
+#define CHAP_FAILURE         4
+
+/*
+ *  Challenge lengths (for challenges we send) and other limits.
+ */
+#define MIN_CHALLENGE_LENGTH 32
+#define MAX_CHALLENGE_LENGTH 64
+#define MAX_RESPONSE_LENGTH  64 /* sufficient for MD5 or MS-CHAP */
+
+/*
+ * Each interface is described by a chap structure.
+ */
+
+typedef struct chap_state {
+  int unit;                               /* Interface unit number */
+  int clientstate;                        /* Client state */
+  int serverstate;                        /* Server state */
+  u_char challenge[MAX_CHALLENGE_LENGTH]; /* last challenge string sent */
+  u_char chal_len;                        /* challenge length */
+  u_char chal_id;                         /* ID of last challenge */
+  u_char chal_type;                       /* hash algorithm for challenges */
+  u_char id;                              /* Current id */
+  char *chal_name;                        /* Our name to use with challenge */
+  int chal_interval;                      /* Time until we challenge peer again */
+  int timeouttime;                        /* Timeout time in seconds */
+  int max_transmits;                      /* Maximum # of challenge transmissions */
+  int chal_transmits;                     /* Number of transmissions of challenge */
+  int resp_transmits;                     /* Number of transmissions of response */
+  u_char response[MAX_RESPONSE_LENGTH];   /* Response to send */
+  u_char resp_length;                     /* length of response */
+  u_char resp_id;                         /* ID for response messages */
+  u_char resp_type;                       /* hash algorithm for responses */
+  char *resp_name;                        /* Our name to send with response */
+} chap_state;
+
+
+/*
+ * Client (peer) states.
+ */
+#define CHAPCS_INITIAL       0 /* Lower layer down, not opened */
+#define CHAPCS_CLOSED        1 /* Lower layer up, not opened */
+#define CHAPCS_PENDING       2 /* Auth us to peer when lower up */
+#define CHAPCS_LISTEN        3 /* Listening for a challenge */
+#define CHAPCS_RESPONSE      4 /* Sent response, waiting for status */
+#define CHAPCS_OPEN          5 /* We've received Success */
+
+/*
+ * Server (authenticator) states.
+ */
+#define CHAPSS_INITIAL       0 /* Lower layer down, not opened */
+#define CHAPSS_CLOSED        1 /* Lower layer up, not opened */
+#define CHAPSS_PENDING       2 /* Auth peer when lower up */
+#define CHAPSS_INITIAL_CHAL  3 /* We've sent the first challenge */
+#define CHAPSS_OPEN          4 /* We've sent a Success msg */
+#define CHAPSS_RECHALLENGE   5 /* We've sent another challenge */
+#define CHAPSS_BADAUTH       6 /* We've sent a Failure msg */
+
+extern chap_state chap[];
+
+void ChapAuthWithPeer (int, char *, u_char);
+void ChapAuthPeer (int, char *, u_char);
+
+extern struct protent chap_protent;
+
+#endif /* CHAP_H */
diff --git a/libraries/net/lwip/lwip/netif/ppp/chpms.c b/libraries/net/lwip/lwip/netif/ppp/chpms.c
new file mode 100644
index 0000000000..83acefcec6
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/chpms.c
@@ -0,0 +1,396 @@
+/*** WARNING - THIS CODE HAS NOT BEEN FINISHED! ***/
+/*** The original PPPD code is written in a way to require either the UNIX DES
+     encryption functions encrypt(3) and setkey(3) or the DES library libdes.
+     Since both is not included in lwIP, MSCHAP currently does not work! */
+/*****************************************************************************
+* chpms.c - Network MicroSoft Challenge Handshake Authentication Protocol program file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* Copyright (c) 1997 by Global Election Systems Inc.  All rights reserved.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-12-08 Guy Lancaster , Global Election Systems Inc.
+*   Original based on BSD chap_ms.c.
+*****************************************************************************/
+/*
+ * chap_ms.c - Microsoft MS-CHAP compatible implementation.
+ *
+ * Copyright (c) 1995 Eric Rosenquist, Strata Software Limited.
+ * http://www.strataware.com/
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Eric Rosenquist.  The name of the author may not be used to
+ * endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/*
+ * Modifications by Lauri Pesonen / lpesonen@clinet.fi, april 1997
+ *
+ *   Implemented LANManager type password response to MS-CHAP challenges.
+ *   Now pppd provides both NT style and LANMan style blocks, and the
+ *   prefered is set by option "ms-lanman". Default is to use NT.
+ *   The hash text (StdText) was taken from Win95 RASAPI32.DLL.
+ *
+ *   You should also use DOMAIN\\USERNAME as described in README.MSCHAP80
+ */
+
+#define USE_CRYPT
+
+#include "lwip/opt.h"
+
+#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#if MSCHAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#include "ppp.h"
+#include "pppdebug.h"
+
+#include "md4.h"
+#ifndef USE_CRYPT
+#include "des.h"
+#endif
+#include "chap.h"
+#include "chpms.h"
+
+#include 
+
+
+/*************************/
+/*** LOCAL DEFINITIONS ***/
+/*************************/
+
+
+/************************/
+/*** LOCAL DATA TYPES ***/
+/************************/
+typedef struct {
+    u_char LANManResp[24];
+    u_char NTResp[24];
+    u_char UseNT; /* If 1, ignore the LANMan response field */
+} MS_ChapResponse;
+/* We use MS_CHAP_RESPONSE_LEN, rather than sizeof(MS_ChapResponse),
+   in case this struct gets padded. */
+
+
+
+/***********************************/
+/*** LOCAL FUNCTION DECLARATIONS ***/
+/***********************************/
+
+/* XXX Don't know what to do with these. */
+extern void setkey(const char *);
+extern void encrypt(char *, int);
+
+static void DesEncrypt (u_char *, u_char *, u_char *);
+static void MakeKey (u_char *, u_char *);
+
+#ifdef USE_CRYPT
+static void Expand (u_char *, u_char *);
+static void Collapse (u_char *, u_char *);
+#endif
+
+static void ChallengeResponse(
+  u_char *challenge, /* IN   8 octets */
+  u_char *pwHash,    /* IN  16 octets */
+  u_char *response   /* OUT 24 octets */
+);
+static void ChapMS_NT(
+  char *rchallenge,
+  int rchallenge_len,
+  char *secret,
+  int secret_len,
+  MS_ChapResponse *response
+);
+static u_char Get7Bits(
+  u_char *input,
+  int startBit
+);
+
+static void
+ChallengeResponse( u_char *challenge, /* IN   8 octets */
+                   u_char *pwHash,    /* IN  16 octets */
+                   u_char *response   /* OUT 24 octets */)
+{
+  u_char    ZPasswordHash[21];
+
+  BZERO(ZPasswordHash, sizeof(ZPasswordHash));
+  BCOPY(pwHash, ZPasswordHash, 16);
+
+#if 0
+  log_packet(ZPasswordHash, sizeof(ZPasswordHash), "ChallengeResponse - ZPasswordHash", LOG_DEBUG);
+#endif
+
+  DesEncrypt(challenge, ZPasswordHash +  0, response + 0);
+  DesEncrypt(challenge, ZPasswordHash +  7, response + 8);
+  DesEncrypt(challenge, ZPasswordHash + 14, response + 16);
+
+#if 0
+  log_packet(response, 24, "ChallengeResponse - response", LOG_DEBUG);
+#endif
+}
+
+
+#ifdef USE_CRYPT
+static void
+DesEncrypt( u_char *clear, /* IN  8 octets */
+            u_char *key,   /* IN  7 octets */
+            u_char *cipher /* OUT 8 octets */)
+{
+  u_char des_key[8];
+  u_char crypt_key[66];
+  u_char des_input[66];
+
+  MakeKey(key, des_key);
+
+  Expand(des_key, crypt_key);
+  setkey((char*)crypt_key);
+
+#if 0
+  CHAPDEBUG(LOG_INFO, ("DesEncrypt: 8 octet input : %02X%02X%02X%02X%02X%02X%02X%02X\n",
+             clear[0], clear[1], clear[2], clear[3], clear[4], clear[5], clear[6], clear[7]));
+#endif
+
+  Expand(clear, des_input);
+  encrypt((char*)des_input, 0);
+  Collapse(des_input, cipher);
+
+#if 0
+  CHAPDEBUG(LOG_INFO, ("DesEncrypt: 8 octet output: %02X%02X%02X%02X%02X%02X%02X%02X\n",
+             cipher[0], cipher[1], cipher[2], cipher[3], cipher[4], cipher[5], cipher[6], cipher[7]));
+#endif
+}
+
+#else /* USE_CRYPT */
+
+static void
+DesEncrypt( u_char *clear, /* IN  8 octets */
+            u_char *key,   /* IN  7 octets */
+            u_char *cipher /* OUT 8 octets */)
+{
+  des_cblock    des_key;
+  des_key_schedule  key_schedule;
+
+  MakeKey(key, des_key);
+
+  des_set_key(&des_key, key_schedule);
+
+#if 0
+  CHAPDEBUG(LOG_INFO, ("DesEncrypt: 8 octet input : %02X%02X%02X%02X%02X%02X%02X%02X\n",
+             clear[0], clear[1], clear[2], clear[3], clear[4], clear[5], clear[6], clear[7]));
+#endif
+
+  des_ecb_encrypt((des_cblock *)clear, (des_cblock *)cipher, key_schedule, 1);
+
+#if 0
+  CHAPDEBUG(LOG_INFO, ("DesEncrypt: 8 octet output: %02X%02X%02X%02X%02X%02X%02X%02X\n",
+             cipher[0], cipher[1], cipher[2], cipher[3], cipher[4], cipher[5], cipher[6], cipher[7]));
+#endif
+}
+
+#endif /* USE_CRYPT */
+
+
+static u_char
+Get7Bits( u_char *input, int startBit)
+{
+  register unsigned int  word;
+
+  word  = (unsigned)input[startBit / 8] << 8;
+  word |= (unsigned)input[startBit / 8 + 1];
+
+  word >>= 15 - (startBit % 8 + 7);
+
+  return word & 0xFE;
+}
+
+#ifdef USE_CRYPT
+
+/* in == 8-byte string (expanded version of the 56-bit key)
+ * out == 64-byte string where each byte is either 1 or 0
+ * Note that the low-order "bit" is always ignored by by setkey()
+ */
+static void
+Expand(u_char *in, u_char *out)
+{
+  int j, c;
+  int i;
+
+  for(i = 0; i < 64; in++){
+    c = *in;
+    for(j = 7; j >= 0; j--) {
+      *out++ = (c >> j) & 01;
+    }
+    i += 8;
+  }
+}
+
+/* The inverse of Expand
+ */
+static void
+Collapse(u_char *in, u_char *out)
+{
+  int j;
+  int i;
+  unsigned int c;
+
+  for (i = 0; i < 64; i += 8, out++) {
+    c = 0;
+    for (j = 7; j >= 0; j--, in++) {
+      c |= *in << j;
+    }
+    *out = c & 0xff;
+  }
+}
+#endif
+
+static void
+MakeKey( u_char *key,    /* IN  56 bit DES key missing parity bits */
+         u_char *des_key /* OUT 64 bit DES key with parity bits added */)
+{
+  des_key[0] = Get7Bits(key,  0);
+  des_key[1] = Get7Bits(key,  7);
+  des_key[2] = Get7Bits(key, 14);
+  des_key[3] = Get7Bits(key, 21);
+  des_key[4] = Get7Bits(key, 28);
+  des_key[5] = Get7Bits(key, 35);
+  des_key[6] = Get7Bits(key, 42);
+  des_key[7] = Get7Bits(key, 49);
+  
+#ifndef USE_CRYPT
+  des_set_odd_parity((des_cblock *)des_key);
+#endif
+  
+#if 0
+  CHAPDEBUG(LOG_INFO, ("MakeKey: 56-bit input : %02X%02X%02X%02X%02X%02X%02X\n",
+             key[0], key[1], key[2], key[3], key[4], key[5], key[6]));
+  CHAPDEBUG(LOG_INFO, ("MakeKey: 64-bit output: %02X%02X%02X%02X%02X%02X%02X%02X\n",
+             des_key[0], des_key[1], des_key[2], des_key[3], des_key[4], des_key[5], des_key[6], des_key[7]));
+#endif
+}
+
+static void
+ChapMS_NT( char *rchallenge,
+           int rchallenge_len,
+           char *secret,
+           int secret_len,
+           MS_ChapResponse *response)
+{
+  int      i;
+  MDstruct  md4Context;
+  u_char    unicodePassword[MAX_NT_PASSWORD * 2];
+  static int  low_byte_first = -1;
+
+  LWIP_UNUSED_ARG(rchallenge_len);
+
+  /* Initialize the Unicode version of the secret (== password). */
+  /* This implicitly supports 8-bit ISO8859/1 characters. */
+  BZERO(unicodePassword, sizeof(unicodePassword));
+  for (i = 0; i < secret_len; i++) {
+    unicodePassword[i * 2] = (u_char)secret[i];
+  }
+  MDbegin(&md4Context);
+  MDupdate(&md4Context, unicodePassword, secret_len * 2 * 8);  /* Unicode is 2 bytes/char, *8 for bit count */
+
+  if (low_byte_first == -1) {
+    low_byte_first = (PP_HTONS((unsigned short int)1) != 1);
+  }
+  if (low_byte_first == 0) {
+    /* @todo: arg type - u_long* or u_int* ? */
+    MDreverse((unsigned int*)&md4Context);  /*  sfb 961105 */
+  }
+
+  MDupdate(&md4Context, NULL, 0);  /* Tell MD4 we're done */
+
+  ChallengeResponse((u_char*)rchallenge, (u_char*)md4Context.buffer, response->NTResp);
+}
+
+#ifdef MSLANMAN
+static u_char *StdText = (u_char *)"KGS!@#$%"; /* key from rasapi32.dll */
+
+static void
+ChapMS_LANMan( char *rchallenge,
+               int rchallenge_len,
+               char *secret,
+               int secret_len,
+               MS_ChapResponse  *response)
+{
+  int      i;
+  u_char    UcasePassword[MAX_NT_PASSWORD]; /* max is actually 14 */
+  u_char    PasswordHash[16];
+  
+  /* LANMan password is case insensitive */
+  BZERO(UcasePassword, sizeof(UcasePassword));
+  for (i = 0; i < secret_len; i++) {
+    UcasePassword[i] = (u_char)toupper(secret[i]);
+  }
+  DesEncrypt( StdText, UcasePassword + 0, PasswordHash + 0 );
+  DesEncrypt( StdText, UcasePassword + 7, PasswordHash + 8 );
+  ChallengeResponse(rchallenge, PasswordHash, response->LANManResp);
+}
+#endif
+
+void
+ChapMS( chap_state *cstate, char *rchallenge, int rchallenge_len, char *secret, int secret_len)
+{
+  MS_ChapResponse response;
+#ifdef MSLANMAN
+  extern int ms_lanman;
+#endif
+
+#if 0
+  CHAPDEBUG(LOG_INFO, ("ChapMS: secret is '%.*s'\n", secret_len, secret));
+#endif
+  BZERO(&response, sizeof(response));
+
+  /* Calculate both always */
+  ChapMS_NT(rchallenge, rchallenge_len, secret, secret_len, &response);
+
+#ifdef MSLANMAN
+  ChapMS_LANMan(rchallenge, rchallenge_len, secret, secret_len, &response);
+
+  /* prefered method is set by option  */
+  response.UseNT = !ms_lanman;
+#else
+  response.UseNT = 1;
+#endif
+
+  BCOPY(&response, cstate->response, MS_CHAP_RESPONSE_LEN);
+  cstate->resp_length = MS_CHAP_RESPONSE_LEN;
+}
+
+#endif /* MSCHAP_SUPPORT */
+
+#endif /* PPP_SUPPORT */
diff --git a/libraries/net/lwip/lwip/netif/ppp/chpms.h b/libraries/net/lwip/lwip/netif/ppp/chpms.h
new file mode 100644
index 0000000000..df070fb356
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/chpms.h
@@ -0,0 +1,64 @@
+/*****************************************************************************
+* chpms.h - Network Microsoft Challenge Handshake Protocol header file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1998 Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 98-01-30 Guy Lancaster , Global Election Systems Inc.
+*   Original built from BSD network code.
+******************************************************************************/
+/*
+ * chap.h - Challenge Handshake Authentication Protocol definitions.
+ *
+ * Copyright (c) 1995 Eric Rosenquist, Strata Software Limited.
+ * http://www.strataware.com/
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Eric Rosenquist.  The name of the author may not be used to
+ * endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * $Id: chpms.h,v 1.5 2007/12/19 20:47:23 fbernon Exp $
+ */
+
+#ifndef CHPMS_H
+#define CHPMS_H
+
+#define MAX_NT_PASSWORD 256 /* Maximum number of (Unicode) chars in an NT password */
+
+void ChapMS (chap_state *, char *, int, char *, int);
+
+#endif /* CHPMS_H */
diff --git a/libraries/net/lwip/lwip/netif/ppp/fsm.c b/libraries/net/lwip/lwip/netif/ppp/fsm.c
new file mode 100644
index 0000000000..2e73c5af8f
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/fsm.c
@@ -0,0 +1,890 @@
+/*****************************************************************************
+* fsm.c - Network Control Protocol Finite State Machine program file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1997 by Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-12-01 Guy Lancaster , Global Election Systems Inc.
+*   Original based on BSD fsm.c.
+*****************************************************************************/
+/*
+ * fsm.c - {Link, IP} Control Protocol Finite State Machine.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/*
+ * TODO:
+ * Randomize fsm id on link/init.
+ * Deal with variable outgoing MTU.
+ */
+
+#include "lwip/opt.h"
+
+#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#include "ppp.h"
+#include "pppdebug.h"
+
+#include "fsm.h"
+
+#include 
+
+#if PPP_DEBUG
+static const char *ppperr_strerr[] = {
+           "LS_INITIAL",  /* LS_INITIAL  0 */
+           "LS_STARTING", /* LS_STARTING 1 */
+           "LS_CLOSED",   /* LS_CLOSED   2 */
+           "LS_STOPPED",  /* LS_STOPPED  3 */
+           "LS_CLOSING",  /* LS_CLOSING  4 */
+           "LS_STOPPING", /* LS_STOPPING 5 */
+           "LS_REQSENT",  /* LS_REQSENT  6 */
+           "LS_ACKRCVD",  /* LS_ACKRCVD  7 */
+           "LS_ACKSENT",  /* LS_ACKSENT  8 */
+           "LS_OPENED"    /* LS_OPENED   9 */
+};
+#endif /* PPP_DEBUG */
+
+static void fsm_timeout (void *);
+static void fsm_rconfreq (fsm *, u_char, u_char *, int);
+static void fsm_rconfack (fsm *, int, u_char *, int);
+static void fsm_rconfnakrej (fsm *, int, int, u_char *, int);
+static void fsm_rtermreq (fsm *, int, u_char *, int);
+static void fsm_rtermack (fsm *);
+static void fsm_rcoderej (fsm *, u_char *, int);
+static void fsm_sconfreq (fsm *, int);
+
+#define PROTO_NAME(f) ((f)->callbacks->proto_name)
+
+int peer_mru[NUM_PPP];
+
+
+/*
+ * fsm_init - Initialize fsm.
+ *
+ * Initialize fsm state.
+ */
+void
+fsm_init(fsm *f)
+{
+  f->state = LS_INITIAL;
+  f->flags = 0;
+  f->id = 0;        /* XXX Start with random id? */
+  f->timeouttime = FSM_DEFTIMEOUT;
+  f->maxconfreqtransmits = FSM_DEFMAXCONFREQS;
+  f->maxtermtransmits = FSM_DEFMAXTERMREQS;
+  f->maxnakloops = FSM_DEFMAXNAKLOOPS;
+  f->term_reason_len = 0;
+}
+
+
+/*
+ * fsm_lowerup - The lower layer is up.
+ */
+void
+fsm_lowerup(fsm *f)
+{
+  int oldState = f->state;
+
+  LWIP_UNUSED_ARG(oldState);
+
+  switch( f->state ) {
+    case LS_INITIAL:
+      f->state = LS_CLOSED;
+      break;
+
+    case LS_STARTING:
+      if( f->flags & OPT_SILENT ) {
+        f->state = LS_STOPPED;
+      } else {
+        /* Send an initial configure-request */
+        fsm_sconfreq(f, 0);
+        f->state = LS_REQSENT;
+      }
+    break;
+
+    default:
+      FSMDEBUG(LOG_INFO, ("%s: Up event in state %d (%s)!\n",
+          PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
+  }
+
+  FSMDEBUG(LOG_INFO, ("%s: lowerup state %d (%s) -> %d (%s)\n",
+      PROTO_NAME(f), oldState, ppperr_strerr[oldState], f->state, ppperr_strerr[f->state]));
+}
+
+
+/*
+ * fsm_lowerdown - The lower layer is down.
+ *
+ * Cancel all timeouts and inform upper layers.
+ */
+void
+fsm_lowerdown(fsm *f)
+{
+  int oldState = f->state;
+
+  LWIP_UNUSED_ARG(oldState);
+
+  switch( f->state ) {
+    case LS_CLOSED:
+      f->state = LS_INITIAL;
+      break;
+
+    case LS_STOPPED:
+      f->state = LS_STARTING;
+      if( f->callbacks->starting ) {
+        (*f->callbacks->starting)(f);
+      }
+      break;
+
+    case LS_CLOSING:
+      f->state = LS_INITIAL;
+      UNTIMEOUT(fsm_timeout, f);  /* Cancel timeout */
+      break;
+
+    case LS_STOPPING:
+    case LS_REQSENT:
+    case LS_ACKRCVD:
+    case LS_ACKSENT:
+      f->state = LS_STARTING;
+      UNTIMEOUT(fsm_timeout, f);  /* Cancel timeout */
+      break;
+
+    case LS_OPENED:
+      if( f->callbacks->down ) {
+        (*f->callbacks->down)(f);
+      }
+      f->state = LS_STARTING;
+      break;
+
+    default:
+      FSMDEBUG(LOG_INFO, ("%s: Down event in state %d (%s)!\n",
+          PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
+  }
+
+  FSMDEBUG(LOG_INFO, ("%s: lowerdown state %d (%s) -> %d (%s)\n",
+      PROTO_NAME(f), oldState, ppperr_strerr[oldState], f->state, ppperr_strerr[f->state]));
+}
+
+
+/*
+ * fsm_open - Link is allowed to come up.
+ */
+void
+fsm_open(fsm *f)
+{
+  int oldState = f->state;
+
+  LWIP_UNUSED_ARG(oldState);
+
+  switch( f->state ) {
+    case LS_INITIAL:
+      f->state = LS_STARTING;
+      if( f->callbacks->starting ) {
+        (*f->callbacks->starting)(f);
+      }
+      break;
+
+    case LS_CLOSED:
+      if( f->flags & OPT_SILENT ) {
+        f->state = LS_STOPPED;
+      } else {
+        /* Send an initial configure-request */
+        fsm_sconfreq(f, 0);
+        f->state = LS_REQSENT;
+      }
+      break;
+  
+    case LS_CLOSING:
+      f->state = LS_STOPPING;
+      /* fall through */
+    case LS_STOPPED:
+    case LS_OPENED:
+      if( f->flags & OPT_RESTART ) {
+        fsm_lowerdown(f);
+        fsm_lowerup(f);
+      }
+      break;
+  }
+
+  FSMDEBUG(LOG_INFO, ("%s: open state %d (%s) -> %d (%s)\n",
+      PROTO_NAME(f), oldState, ppperr_strerr[oldState], f->state, ppperr_strerr[f->state]));
+}
+
+#if 0 /* backport pppd 2.4.4b1; */
+/*
+ * terminate_layer - Start process of shutting down the FSM
+ *
+ * Cancel any timeout running, notify upper layers we're done, and
+ * send a terminate-request message as configured.
+ */
+static void
+terminate_layer(fsm *f, int nextstate)
+{
+  /* @todo */
+}
+#endif
+
+/*
+ * fsm_close - Start closing connection.
+ *
+ * Cancel timeouts and either initiate close or possibly go directly to
+ * the LS_CLOSED state.
+ */
+void
+fsm_close(fsm *f, char *reason)
+{
+  int oldState = f->state;
+
+  LWIP_UNUSED_ARG(oldState);
+
+  f->term_reason = reason;
+  f->term_reason_len = (reason == NULL ? 0 : (int)strlen(reason));
+  switch( f->state ) {
+    case LS_STARTING:
+      f->state = LS_INITIAL;
+      break;
+    case LS_STOPPED:
+      f->state = LS_CLOSED;
+      break;
+    case LS_STOPPING:
+      f->state = LS_CLOSING;
+      break;
+
+    case LS_REQSENT:
+    case LS_ACKRCVD:
+    case LS_ACKSENT:
+    case LS_OPENED:
+      if( f->state != LS_OPENED ) {
+        UNTIMEOUT(fsm_timeout, f);  /* Cancel timeout */
+      } else if( f->callbacks->down ) {
+        (*f->callbacks->down)(f);  /* Inform upper layers we're down */
+      }
+      /* Init restart counter, send Terminate-Request */
+      f->retransmits = f->maxtermtransmits;
+      fsm_sdata(f, TERMREQ, f->reqid = ++f->id,
+            (u_char *) f->term_reason, f->term_reason_len);
+      TIMEOUT(fsm_timeout, f, f->timeouttime);
+      --f->retransmits;
+
+      f->state = LS_CLOSING;
+      break;
+  }
+
+  FSMDEBUG(LOG_INFO, ("%s: close reason=%s state %d (%s) -> %d (%s)\n",
+      PROTO_NAME(f), reason, oldState, ppperr_strerr[oldState], f->state, ppperr_strerr[f->state]));
+}
+
+
+/*
+ * fsm_timeout - Timeout expired.
+ */
+static void
+fsm_timeout(void *arg)
+{
+  fsm *f = (fsm *) arg;
+
+  switch (f->state) {
+    case LS_CLOSING:
+    case LS_STOPPING:
+      if( f->retransmits <= 0 ) {
+        FSMDEBUG(LOG_WARNING, ("%s: timeout sending Terminate-Request state=%d (%s)\n",
+             PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
+        /*
+         * We've waited for an ack long enough.  Peer probably heard us.
+         */
+        f->state = (f->state == LS_CLOSING)? LS_CLOSED: LS_STOPPED;
+        if( f->callbacks->finished ) {
+          (*f->callbacks->finished)(f);
+        }
+      } else {
+        FSMDEBUG(LOG_WARNING, ("%s: timeout resending Terminate-Requests state=%d (%s)\n",
+             PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
+        /* Send Terminate-Request */
+        fsm_sdata(f, TERMREQ, f->reqid = ++f->id,
+            (u_char *) f->term_reason, f->term_reason_len);
+        TIMEOUT(fsm_timeout, f, f->timeouttime);
+        --f->retransmits;
+      }
+      break;
+
+    case LS_REQSENT:
+    case LS_ACKRCVD:
+    case LS_ACKSENT:
+      if (f->retransmits <= 0) {
+        FSMDEBUG(LOG_WARNING, ("%s: timeout sending Config-Requests state=%d (%s)\n",
+         PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
+        f->state = LS_STOPPED;
+        if( (f->flags & OPT_PASSIVE) == 0 && f->callbacks->finished ) {
+          (*f->callbacks->finished)(f);
+        }
+      } else {
+        FSMDEBUG(LOG_WARNING, ("%s: timeout resending Config-Request state=%d (%s)\n",
+         PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
+        /* Retransmit the configure-request */
+        if (f->callbacks->retransmit) {
+          (*f->callbacks->retransmit)(f);
+        }
+        fsm_sconfreq(f, 1);    /* Re-send Configure-Request */
+        if( f->state == LS_ACKRCVD ) {
+          f->state = LS_REQSENT;
+        }
+      }
+      break;
+
+    default:
+      FSMDEBUG(LOG_INFO, ("%s: UNHANDLED timeout event in state %d (%s)!\n",
+          PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
+  }
+}
+
+
+/*
+ * fsm_input - Input packet.
+ */
+void
+fsm_input(fsm *f, u_char *inpacket, int l)
+{
+  u_char *inp = inpacket;
+  u_char code, id;
+  int len;
+
+  /*
+  * Parse header (code, id and length).
+  * If packet too short, drop it.
+  */
+  if (l < HEADERLEN) {
+    FSMDEBUG(LOG_WARNING, ("fsm_input(%x): Rcvd short header.\n",
+          f->protocol));
+    return;
+  }
+  GETCHAR(code, inp);
+  GETCHAR(id, inp);
+  GETSHORT(len, inp);
+  if (len < HEADERLEN) {
+    FSMDEBUG(LOG_INFO, ("fsm_input(%x): Rcvd illegal length.\n",
+        f->protocol));
+    return;
+  }
+  if (len > l) {
+    FSMDEBUG(LOG_INFO, ("fsm_input(%x): Rcvd short packet.\n",
+        f->protocol));
+    return;
+  }
+  len -= HEADERLEN;    /* subtract header length */
+
+  if( f->state == LS_INITIAL || f->state == LS_STARTING ) {
+    FSMDEBUG(LOG_INFO, ("fsm_input(%x): Rcvd packet in state %d (%s).\n",
+        f->protocol, f->state, ppperr_strerr[f->state]));
+    return;
+  }
+  FSMDEBUG(LOG_INFO, ("fsm_input(%s):%d,%d,%d\n", PROTO_NAME(f), code, id, l));
+  /*
+   * Action depends on code.
+   */
+  switch (code) {
+    case CONFREQ:
+      fsm_rconfreq(f, id, inp, len);
+      break;
+    
+    case CONFACK:
+      fsm_rconfack(f, id, inp, len);
+      break;
+    
+    case CONFNAK:
+    case CONFREJ:
+      fsm_rconfnakrej(f, code, id, inp, len);
+      break;
+    
+    case TERMREQ:
+      fsm_rtermreq(f, id, inp, len);
+      break;
+    
+    case TERMACK:
+      fsm_rtermack(f);
+      break;
+    
+    case CODEREJ:
+      fsm_rcoderej(f, inp, len);
+      break;
+    
+    default:
+      FSMDEBUG(LOG_INFO, ("fsm_input(%s): default: \n", PROTO_NAME(f)));
+      if( !f->callbacks->extcode ||
+          !(*f->callbacks->extcode)(f, code, id, inp, len) ) {
+        fsm_sdata(f, CODEREJ, ++f->id, inpacket, len + HEADERLEN);
+      }
+      break;
+  }
+}
+
+
+/*
+ * fsm_rconfreq - Receive Configure-Request.
+ */
+static void
+fsm_rconfreq(fsm *f, u_char id, u_char *inp, int len)
+{
+  int code, reject_if_disagree;
+
+  FSMDEBUG(LOG_INFO, ("fsm_rconfreq(%s): Rcvd id %d state=%d (%s)\n", 
+        PROTO_NAME(f), id, f->state, ppperr_strerr[f->state]));
+  switch( f->state ) {
+    case LS_CLOSED:
+      /* Go away, we're closed */
+      fsm_sdata(f, TERMACK, id, NULL, 0);
+      return;
+    case LS_CLOSING:
+    case LS_STOPPING:
+      return;
+
+    case LS_OPENED:
+      /* Go down and restart negotiation */
+      if( f->callbacks->down ) {
+        (*f->callbacks->down)(f);  /* Inform upper layers */
+      }
+      fsm_sconfreq(f, 0);    /* Send initial Configure-Request */
+      break;
+
+    case LS_STOPPED:
+      /* Negotiation started by our peer */
+      fsm_sconfreq(f, 0);    /* Send initial Configure-Request */
+      f->state = LS_REQSENT;
+      break;
+  }
+  
+  /*
+  * Pass the requested configuration options
+  * to protocol-specific code for checking.
+  */
+  if (f->callbacks->reqci) {    /* Check CI */
+    reject_if_disagree = (f->nakloops >= f->maxnakloops);
+    code = (*f->callbacks->reqci)(f, inp, &len, reject_if_disagree);
+  } else if (len) {
+    code = CONFREJ;      /* Reject all CI */
+  } else {
+    code = CONFACK;
+  }
+  
+  /* send the Ack, Nak or Rej to the peer */
+  fsm_sdata(f, (u_char)code, id, inp, len);
+  
+  if (code == CONFACK) {
+    if (f->state == LS_ACKRCVD) {
+      UNTIMEOUT(fsm_timeout, f);  /* Cancel timeout */
+      f->state = LS_OPENED;
+      if (f->callbacks->up) {
+        (*f->callbacks->up)(f);  /* Inform upper layers */
+      }
+    } else {
+      f->state = LS_ACKSENT;
+    }
+    f->nakloops = 0;
+  } else {
+    /* we sent CONFACK or CONFREJ */
+    if (f->state != LS_ACKRCVD) {
+      f->state = LS_REQSENT;
+    }
+    if( code == CONFNAK ) {
+      ++f->nakloops;
+    }
+  }
+}
+
+
+/*
+ * fsm_rconfack - Receive Configure-Ack.
+ */
+static void
+fsm_rconfack(fsm *f, int id, u_char *inp, int len)
+{
+  FSMDEBUG(LOG_INFO, ("fsm_rconfack(%s): Rcvd id %d state=%d (%s)\n",
+        PROTO_NAME(f), id, f->state, ppperr_strerr[f->state]));
+  
+  if (id != f->reqid || f->seen_ack) {   /* Expected id? */
+    return; /* Nope, toss... */
+  }
+  if( !(f->callbacks->ackci? (*f->callbacks->ackci)(f, inp, len): (len == 0)) ) {
+    /* Ack is bad - ignore it */
+    FSMDEBUG(LOG_INFO, ("%s: received bad Ack (length %d)\n",
+          PROTO_NAME(f), len));
+    return;
+  }
+  f->seen_ack = 1;
+  
+  switch (f->state) {
+    case LS_CLOSED:
+    case LS_STOPPED:
+      fsm_sdata(f, TERMACK, (u_char)id, NULL, 0);
+      break;
+    
+    case LS_REQSENT:
+      f->state = LS_ACKRCVD;
+      f->retransmits = f->maxconfreqtransmits;
+      break;
+    
+    case LS_ACKRCVD:
+      /* Huh? an extra valid Ack? oh well... */
+      UNTIMEOUT(fsm_timeout, f);  /* Cancel timeout */
+      fsm_sconfreq(f, 0);
+      f->state = LS_REQSENT;
+      break;
+    
+    case LS_ACKSENT:
+      UNTIMEOUT(fsm_timeout, f);  /* Cancel timeout */
+      f->state = LS_OPENED;
+      f->retransmits = f->maxconfreqtransmits;
+      if (f->callbacks->up) {
+        (*f->callbacks->up)(f);  /* Inform upper layers */
+      }
+      break;
+    
+    case LS_OPENED:
+      /* Go down and restart negotiation */
+      if (f->callbacks->down) {
+        (*f->callbacks->down)(f);  /* Inform upper layers */
+      }
+      fsm_sconfreq(f, 0);    /* Send initial Configure-Request */
+      f->state = LS_REQSENT;
+      break;
+  }
+}
+
+
+/*
+ * fsm_rconfnakrej - Receive Configure-Nak or Configure-Reject.
+ */
+static void
+fsm_rconfnakrej(fsm *f, int code, int id, u_char *inp, int len)
+{
+  int (*proc) (fsm *, u_char *, int);
+  int ret;
+
+  FSMDEBUG(LOG_INFO, ("fsm_rconfnakrej(%s): Rcvd id %d state=%d (%s)\n",
+        PROTO_NAME(f), id, f->state, ppperr_strerr[f->state]));
+
+  if (id != f->reqid || f->seen_ack) { /* Expected id? */
+    return;        /* Nope, toss... */
+  }
+  proc = (code == CONFNAK)? f->callbacks->nakci: f->callbacks->rejci;
+  if (!proc || !((ret = proc(f, inp, len)))) {
+    /* Nak/reject is bad - ignore it */
+    FSMDEBUG(LOG_INFO, ("%s: received bad %s (length %d)\n",
+          PROTO_NAME(f), (code==CONFNAK? "Nak": "reject"), len));
+    return;
+  }
+  f->seen_ack = 1;
+
+  switch (f->state) {
+    case LS_CLOSED:
+    case LS_STOPPED:
+      fsm_sdata(f, TERMACK, (u_char)id, NULL, 0);
+      break;
+    
+    case LS_REQSENT:
+    case LS_ACKSENT:
+      /* They didn't agree to what we wanted - try another request */
+      UNTIMEOUT(fsm_timeout, f);  /* Cancel timeout */
+      if (ret < 0) {
+        f->state = LS_STOPPED;    /* kludge for stopping CCP */
+      } else {
+        fsm_sconfreq(f, 0);    /* Send Configure-Request */
+      }
+      break;
+    
+    case LS_ACKRCVD:
+      /* Got a Nak/reject when we had already had an Ack?? oh well... */
+      UNTIMEOUT(fsm_timeout, f);  /* Cancel timeout */
+      fsm_sconfreq(f, 0);
+      f->state = LS_REQSENT;
+      break;
+    
+    case LS_OPENED:
+      /* Go down and restart negotiation */
+      if (f->callbacks->down) {
+        (*f->callbacks->down)(f);  /* Inform upper layers */
+      }
+      fsm_sconfreq(f, 0);    /* Send initial Configure-Request */
+      f->state = LS_REQSENT;
+      break;
+  }
+}
+
+
+/*
+ * fsm_rtermreq - Receive Terminate-Req.
+ */
+static void
+fsm_rtermreq(fsm *f, int id, u_char *p, int len)
+{
+  LWIP_UNUSED_ARG(p);
+
+  FSMDEBUG(LOG_INFO, ("fsm_rtermreq(%s): Rcvd id %d state=%d (%s)\n",
+        PROTO_NAME(f), id, f->state, ppperr_strerr[f->state]));
+
+  switch (f->state) {
+    case LS_ACKRCVD:
+    case LS_ACKSENT:
+      f->state = LS_REQSENT;    /* Start over but keep trying */
+      break;
+
+    case LS_OPENED:
+      if (len > 0) {
+        FSMDEBUG(LOG_INFO, ("%s terminated by peer (%p)\n", PROTO_NAME(f), p));
+      } else {
+        FSMDEBUG(LOG_INFO, ("%s terminated by peer\n", PROTO_NAME(f)));
+      }
+      if (f->callbacks->down) {
+        (*f->callbacks->down)(f);  /* Inform upper layers */
+      }
+      f->retransmits = 0;
+      f->state = LS_STOPPING;
+      TIMEOUT(fsm_timeout, f, f->timeouttime);
+      break;
+  }
+
+  fsm_sdata(f, TERMACK, (u_char)id, NULL, 0);
+}
+
+
+/*
+ * fsm_rtermack - Receive Terminate-Ack.
+ */
+static void
+fsm_rtermack(fsm *f)
+{
+  FSMDEBUG(LOG_INFO, ("fsm_rtermack(%s): state=%d (%s)\n", 
+        PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
+  
+  switch (f->state) {
+    case LS_CLOSING:
+      UNTIMEOUT(fsm_timeout, f);
+      f->state = LS_CLOSED;
+      if( f->callbacks->finished ) {
+        (*f->callbacks->finished)(f);
+      }
+      break;
+
+    case LS_STOPPING:
+      UNTIMEOUT(fsm_timeout, f);
+      f->state = LS_STOPPED;
+      if( f->callbacks->finished ) {
+        (*f->callbacks->finished)(f);
+      }
+      break;
+    
+    case LS_ACKRCVD:
+      f->state = LS_REQSENT;
+      break;
+    
+    case LS_OPENED:
+      if (f->callbacks->down) {
+        (*f->callbacks->down)(f);  /* Inform upper layers */
+      }
+      fsm_sconfreq(f, 0);
+      break;
+    default:
+      FSMDEBUG(LOG_INFO, ("fsm_rtermack(%s): UNHANDLED state=%d (%s)!!!\n", 
+                PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
+  }
+}
+
+
+/*
+ * fsm_rcoderej - Receive an Code-Reject.
+ */
+static void
+fsm_rcoderej(fsm *f, u_char *inp, int len)
+{
+  u_char code, id;
+  
+  FSMDEBUG(LOG_INFO, ("fsm_rcoderej(%s): state=%d (%s)\n", 
+        PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
+  
+  if (len < HEADERLEN) {
+    FSMDEBUG(LOG_INFO, ("fsm_rcoderej: Rcvd short Code-Reject packet!\n"));
+    return;
+  }
+  GETCHAR(code, inp);
+  GETCHAR(id, inp);
+  FSMDEBUG(LOG_WARNING, ("%s: Rcvd Code-Reject for code %d, id %d\n",
+        PROTO_NAME(f), code, id));
+  
+  if( f->state == LS_ACKRCVD ) {
+    f->state = LS_REQSENT;
+  }
+}
+
+
+/*
+ * fsm_protreject - Peer doesn't speak this protocol.
+ *
+ * Treat this as a catastrophic error (RXJ-).
+ */
+void
+fsm_protreject(fsm *f)
+{
+  switch( f->state ) {
+    case LS_CLOSING:
+      UNTIMEOUT(fsm_timeout, f);  /* Cancel timeout */
+      /* fall through */
+    case LS_CLOSED:
+      f->state = LS_CLOSED;
+      if( f->callbacks->finished ) {
+        (*f->callbacks->finished)(f);
+      }
+      break;
+
+    case LS_STOPPING:
+    case LS_REQSENT:
+    case LS_ACKRCVD:
+    case LS_ACKSENT:
+      UNTIMEOUT(fsm_timeout, f);  /* Cancel timeout */
+      /* fall through */
+    case LS_STOPPED:
+      f->state = LS_STOPPED;
+      if( f->callbacks->finished ) {
+        (*f->callbacks->finished)(f);
+      }
+      break;
+    
+    case LS_OPENED:
+      if( f->callbacks->down ) {
+        (*f->callbacks->down)(f);
+      }
+      /* Init restart counter, send Terminate-Request */
+      f->retransmits = f->maxtermtransmits;
+      fsm_sdata(f, TERMREQ, f->reqid = ++f->id,
+            (u_char *) f->term_reason, f->term_reason_len);
+      TIMEOUT(fsm_timeout, f, f->timeouttime);
+      --f->retransmits;
+
+      f->state = LS_STOPPING;
+      break;
+    
+    default:
+      FSMDEBUG(LOG_INFO, ("%s: Protocol-reject event in state %d (%s)!\n",
+            PROTO_NAME(f), f->state, ppperr_strerr[f->state]));
+    }
+}
+
+
+/*
+ * fsm_sconfreq - Send a Configure-Request.
+ */
+static void
+fsm_sconfreq(fsm *f, int retransmit)
+{
+  u_char *outp;
+  int cilen;
+  
+  if( f->state != LS_REQSENT && f->state != LS_ACKRCVD && f->state != LS_ACKSENT ) {
+    /* Not currently negotiating - reset options */
+    if( f->callbacks->resetci ) {
+      (*f->callbacks->resetci)(f);
+    }
+    f->nakloops = 0;
+  }
+  
+  if( !retransmit ) {
+    /* New request - reset retransmission counter, use new ID */
+    f->retransmits = f->maxconfreqtransmits;
+    f->reqid = ++f->id;
+  }
+  
+  f->seen_ack = 0;
+  
+  /*
+   * Make up the request packet
+   */
+  outp = outpacket_buf[f->unit] + PPP_HDRLEN + HEADERLEN;
+  if( f->callbacks->cilen && f->callbacks->addci ) {
+    cilen = (*f->callbacks->cilen)(f);
+    if( cilen > peer_mru[f->unit] - (int)HEADERLEN ) {
+      cilen = peer_mru[f->unit] - HEADERLEN;
+    }
+    if (f->callbacks->addci) {
+      (*f->callbacks->addci)(f, outp, &cilen);
+    }
+  } else {
+    cilen = 0;
+  }
+
+  /* send the request to our peer */
+  fsm_sdata(f, CONFREQ, f->reqid, outp, cilen);
+  
+  /* start the retransmit timer */
+  --f->retransmits;
+  TIMEOUT(fsm_timeout, f, f->timeouttime);
+  
+  FSMDEBUG(LOG_INFO, ("%s: sending Configure-Request, id %d\n",
+        PROTO_NAME(f), f->reqid));
+}
+
+
+/*
+ * fsm_sdata - Send some data.
+ *
+ * Used for all packets sent to our peer by this module.
+ */
+void
+fsm_sdata( fsm *f, u_char code, u_char id, u_char *data, int datalen)
+{
+  u_char *outp;
+  int outlen;
+
+  /* Adjust length to be smaller than MTU */
+  outp = outpacket_buf[f->unit];
+  if (datalen > peer_mru[f->unit] - (int)HEADERLEN) {
+    datalen = peer_mru[f->unit] - HEADERLEN;
+  }
+  if (datalen && data != outp + PPP_HDRLEN + HEADERLEN) {
+    BCOPY(data, outp + PPP_HDRLEN + HEADERLEN, datalen);
+  }
+  outlen = datalen + HEADERLEN;
+  MAKEHEADER(outp, f->protocol);
+  PUTCHAR(code, outp);
+  PUTCHAR(id, outp);
+  PUTSHORT(outlen, outp);
+  pppWrite(f->unit, outpacket_buf[f->unit], outlen + PPP_HDRLEN);
+  FSMDEBUG(LOG_INFO, ("fsm_sdata(%s): Sent code %d,%d,%d.\n",
+        PROTO_NAME(f), code, id, outlen));
+}
+
+#endif /* PPP_SUPPORT */
diff --git a/libraries/net/lwip/lwip/netif/ppp/fsm.h b/libraries/net/lwip/lwip/netif/ppp/fsm.h
new file mode 100644
index 0000000000..8d41b5f511
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/fsm.h
@@ -0,0 +1,157 @@
+/*****************************************************************************
+* fsm.h - Network Control Protocol Finite State Machine header file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* Copyright (c) 1997 Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-11-05 Guy Lancaster , Global Election Systems Inc.
+*   Original based on BSD code.
+*****************************************************************************/
+/*
+ * fsm.h - {Link, IP} Control Protocol Finite State Machine definitions.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * $Id: fsm.h,v 1.5 2009/12/31 17:08:08 goldsimon Exp $
+ */
+
+#ifndef FSM_H
+#define FSM_H
+
+/*
+ * LCP Packet header = Code, id, length.
+ */
+#define HEADERLEN (sizeof (u_char) + sizeof (u_char) + sizeof (u_short))
+
+
+/*
+ *  CP (LCP, IPCP, etc.) codes.
+ */
+#define CONFREQ     1 /* Configuration Request */
+#define CONFACK     2 /* Configuration Ack */
+#define CONFNAK     3 /* Configuration Nak */
+#define CONFREJ     4 /* Configuration Reject */
+#define TERMREQ     5 /* Termination Request */
+#define TERMACK     6 /* Termination Ack */
+#define CODEREJ     7 /* Code Reject */
+
+
+/*
+ * Each FSM is described by an fsm structure and fsm callbacks.
+ */
+typedef struct fsm {
+  int unit;                        /* Interface unit number */
+  u_short protocol;                /* Data Link Layer Protocol field value */
+  int state;                       /* State */
+  int flags;                       /* Contains option bits */
+  u_char id;                       /* Current id */
+  u_char reqid;                    /* Current request id */
+  u_char seen_ack;                 /* Have received valid Ack/Nak/Rej to Req */
+  int timeouttime;                 /* Timeout time in milliseconds */
+  int maxconfreqtransmits;         /* Maximum Configure-Request transmissions */
+  int retransmits;                 /* Number of retransmissions left */
+  int maxtermtransmits;            /* Maximum Terminate-Request transmissions */
+  int nakloops;                    /* Number of nak loops since last ack */
+  int maxnakloops;                 /* Maximum number of nak loops tolerated */
+  struct fsm_callbacks* callbacks; /* Callback routines */
+  char* term_reason;               /* Reason for closing protocol */
+  int term_reason_len;             /* Length of term_reason */
+} fsm;
+
+
+typedef struct fsm_callbacks {
+  void (*resetci)(fsm*);                            /* Reset our Configuration Information */
+  int  (*cilen)(fsm*);                              /* Length of our Configuration Information */
+  void (*addci)(fsm*, u_char*, int*);               /* Add our Configuration Information */
+  int  (*ackci)(fsm*, u_char*, int);                /* ACK our Configuration Information */
+  int  (*nakci)(fsm*, u_char*, int);                /* NAK our Configuration Information */
+  int  (*rejci)(fsm*, u_char*, int);                /* Reject our Configuration Information */
+  int  (*reqci)(fsm*, u_char*, int*, int);          /* Request peer's Configuration Information */
+  void (*up)(fsm*);                                 /* Called when fsm reaches LS_OPENED state */
+  void (*down)(fsm*);                               /* Called when fsm leaves LS_OPENED state */
+  void (*starting)(fsm*);                           /* Called when we want the lower layer */
+  void (*finished)(fsm*);                           /* Called when we don't want the lower layer */
+  void (*protreject)(int);                          /* Called when Protocol-Reject received */
+  void (*retransmit)(fsm*);                         /* Retransmission is necessary */
+  int  (*extcode)(fsm*, int, u_char, u_char*, int); /* Called when unknown code received */
+  char *proto_name;                                 /* String name for protocol (for messages) */
+} fsm_callbacks;
+
+
+/*
+ * Link states.
+ */
+#define LS_INITIAL  0 /* Down, hasn't been opened */
+#define LS_STARTING 1 /* Down, been opened */
+#define LS_CLOSED   2 /* Up, hasn't been opened */
+#define LS_STOPPED  3 /* Open, waiting for down event */
+#define LS_CLOSING  4 /* Terminating the connection, not open */
+#define LS_STOPPING 5 /* Terminating, but open */
+#define LS_REQSENT  6 /* We've sent a Config Request */
+#define LS_ACKRCVD  7 /* We've received a Config Ack */
+#define LS_ACKSENT  8 /* We've sent a Config Ack */
+#define LS_OPENED   9 /* Connection available */
+
+/*
+ * Flags - indicate options controlling FSM operation
+ */
+#define OPT_PASSIVE 1 /* Don't die if we don't get a response */
+#define OPT_RESTART 2 /* Treat 2nd OPEN as DOWN, UP */
+#define OPT_SILENT  4 /* Wait for peer to speak first */
+
+
+/*
+ * Prototypes
+ */
+void fsm_init (fsm*);
+void fsm_lowerup (fsm*);
+void fsm_lowerdown (fsm*);
+void fsm_open (fsm*);
+void fsm_close (fsm*, char*);
+void fsm_input (fsm*, u_char*, int);
+void fsm_protreject (fsm*);
+void fsm_sdata (fsm*, u_char, u_char, u_char*, int);
+
+
+/*
+ * Variables
+ */
+extern int peer_mru[]; /* currently negotiated peer MRU (per unit) */
+
+#endif /* FSM_H */
diff --git a/libraries/net/lwip/lwip/netif/ppp/ipcp.c b/libraries/net/lwip/lwip/netif/ppp/ipcp.c
new file mode 100644
index 0000000000..655f949dad
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/ipcp.c
@@ -0,0 +1,1415 @@
+/** In contrast to pppd 2.3.1, DNS support has been added, proxy-ARP and
+    dial-on-demand has been stripped. */
+/*****************************************************************************
+* ipcp.c - Network PPP IP Control Protocol program file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1997 by Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-12-08 Guy Lancaster , Global Election Systems Inc.
+*   Original.
+*****************************************************************************/
+/*
+ * ipcp.c - PPP IP Control Protocol.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include "lwip/opt.h"
+
+#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#include "ppp.h"
+#include "pppdebug.h"
+
+#include "auth.h"
+#include "fsm.h"
+#include "vj.h"
+#include "ipcp.h"
+
+#include "lwip/inet.h"
+
+#include 
+
+/* #define OLD_CI_ADDRS 1 */ /* Support deprecated address negotiation. */
+
+/* global vars */
+ipcp_options ipcp_wantoptions[NUM_PPP];  /* Options that we want to request */
+ipcp_options ipcp_gotoptions[NUM_PPP];   /* Options that peer ack'd */
+ipcp_options ipcp_allowoptions[NUM_PPP]; /* Options we allow peer to request */
+ipcp_options ipcp_hisoptions[NUM_PPP];   /* Options that we ack'd */
+
+/* local vars */
+static int default_route_set[NUM_PPP]; /* Have set up a default route */
+static int cis_received[NUM_PPP];      /* # Conf-Reqs received */
+
+
+/*
+ * Callbacks for fsm code.  (CI = Configuration Information)
+ */
+static void ipcp_resetci (fsm *);                     /* Reset our CI */
+static int  ipcp_cilen (fsm *);                       /* Return length of our CI */
+static void ipcp_addci (fsm *, u_char *, int *);      /* Add our CI */
+static int  ipcp_ackci (fsm *, u_char *, int);        /* Peer ack'd our CI */
+static int  ipcp_nakci (fsm *, u_char *, int);        /* Peer nak'd our CI */
+static int  ipcp_rejci (fsm *, u_char *, int);        /* Peer rej'd our CI */
+static int  ipcp_reqci (fsm *, u_char *, int *, int); /* Rcv CI */
+static void ipcp_up (fsm *);                          /* We're UP */
+static void ipcp_down (fsm *);                        /* We're DOWN */
+#if PPP_ADDITIONAL_CALLBACKS
+static void ipcp_script (fsm *, char *); /* Run an up/down script */
+#endif
+static void ipcp_finished (fsm *);                    /* Don't need lower layer */
+
+
+fsm ipcp_fsm[NUM_PPP]; /* IPCP fsm structure */
+
+
+static fsm_callbacks ipcp_callbacks = { /* IPCP callback routines */
+  ipcp_resetci,  /* Reset our Configuration Information */
+  ipcp_cilen,    /* Length of our Configuration Information */
+  ipcp_addci,    /* Add our Configuration Information */
+  ipcp_ackci,    /* ACK our Configuration Information */
+  ipcp_nakci,    /* NAK our Configuration Information */
+  ipcp_rejci,    /* Reject our Configuration Information */
+  ipcp_reqci,    /* Request peer's Configuration Information */
+  ipcp_up,       /* Called when fsm reaches LS_OPENED state */
+  ipcp_down,     /* Called when fsm leaves LS_OPENED state */
+  NULL,          /* Called when we want the lower layer up */
+  ipcp_finished, /* Called when we want the lower layer down */
+  NULL,          /* Called when Protocol-Reject received */
+  NULL,          /* Retransmission is necessary */
+  NULL,          /* Called to handle protocol-specific codes */
+  "IPCP"         /* String name of protocol */
+};
+
+/*
+ * Protocol entry points from main code.
+ */
+static void ipcp_init (int);
+static void ipcp_open (int);
+static void ipcp_close (int, char *);
+static void ipcp_lowerup (int);
+static void ipcp_lowerdown (int);
+static void ipcp_input (int, u_char *, int);
+static void ipcp_protrej (int);
+
+
+struct protent ipcp_protent = {
+  PPP_IPCP,
+  ipcp_init,
+  ipcp_input,
+  ipcp_protrej,
+  ipcp_lowerup,
+  ipcp_lowerdown,
+  ipcp_open,
+  ipcp_close,
+#if PPP_ADDITIONAL_CALLBACKS
+  ipcp_printpkt,
+  NULL,
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+  1,
+  "IPCP",
+#if PPP_ADDITIONAL_CALLBACKS
+  ip_check_options,
+  NULL,
+  ip_active_pkt
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+};
+
+static void ipcp_clear_addrs (int);
+
+/*
+ * Lengths of configuration options.
+ */
+#define CILEN_VOID     2
+#define CILEN_COMPRESS 4  /* min length for compression protocol opt. */
+#define CILEN_VJ       6  /* length for RFC1332 Van-Jacobson opt. */
+#define CILEN_ADDR     6  /* new-style single address option */
+#define CILEN_ADDRS    10 /* old-style dual address option */
+
+
+#define CODENAME(x) ((x) == CONFACK ? "ACK" : \
+                     (x) == CONFNAK ? "NAK" : "REJ")
+
+
+/*
+ * ipcp_init - Initialize IPCP.
+ */
+static void
+ipcp_init(int unit)
+{
+  fsm           *f = &ipcp_fsm[unit];
+  ipcp_options *wo = &ipcp_wantoptions[unit];
+  ipcp_options *ao = &ipcp_allowoptions[unit];
+
+  f->unit      = unit;
+  f->protocol  = PPP_IPCP;
+  f->callbacks = &ipcp_callbacks;
+  fsm_init(&ipcp_fsm[unit]);
+
+  memset(wo, 0, sizeof(*wo));
+  memset(ao, 0, sizeof(*ao));
+
+  wo->neg_addr      = 1;
+  wo->ouraddr       = 0;
+#if VJ_SUPPORT
+  wo->neg_vj        = 1;
+#else  /* VJ_SUPPORT */
+  wo->neg_vj        = 0;
+#endif /* VJ_SUPPORT */
+  wo->vj_protocol   = IPCP_VJ_COMP;
+  wo->maxslotindex  = MAX_SLOTS - 1;
+  wo->cflag         = 0;
+  wo->default_route = 1;
+
+  ao->neg_addr      = 1;
+#if VJ_SUPPORT
+  ao->neg_vj        = 1;
+#else  /* VJ_SUPPORT */
+  ao->neg_vj        = 0;
+#endif /* VJ_SUPPORT */
+  ao->maxslotindex  = MAX_SLOTS - 1;
+  ao->cflag         = 1;
+  ao->default_route = 1;
+}
+
+
+/*
+ * ipcp_open - IPCP is allowed to come up.
+ */
+static void
+ipcp_open(int unit)
+{
+  fsm_open(&ipcp_fsm[unit]);
+}
+
+
+/*
+ * ipcp_close - Take IPCP down.
+ */
+static void
+ipcp_close(int unit, char *reason)
+{
+  fsm_close(&ipcp_fsm[unit], reason);
+}
+
+
+/*
+ * ipcp_lowerup - The lower layer is up.
+ */
+static void
+ipcp_lowerup(int unit)
+{
+  fsm_lowerup(&ipcp_fsm[unit]);
+}
+
+
+/*
+ * ipcp_lowerdown - The lower layer is down.
+ */
+static void
+ipcp_lowerdown(int unit)
+{
+  fsm_lowerdown(&ipcp_fsm[unit]);
+}
+
+
+/*
+ * ipcp_input - Input IPCP packet.
+ */
+static void
+ipcp_input(int unit, u_char *p, int len)
+{
+  fsm_input(&ipcp_fsm[unit], p, len);
+}
+
+
+/*
+ * ipcp_protrej - A Protocol-Reject was received for IPCP.
+ *
+ * Pretend the lower layer went down, so we shut up.
+ */
+static void
+ipcp_protrej(int unit)
+{
+  fsm_lowerdown(&ipcp_fsm[unit]);
+}
+
+
+/*
+ * ipcp_resetci - Reset our CI.
+ */
+static void
+ipcp_resetci(fsm *f)
+{
+  ipcp_options *wo = &ipcp_wantoptions[f->unit];
+  
+  wo->req_addr = wo->neg_addr && ipcp_allowoptions[f->unit].neg_addr;
+  if (wo->ouraddr == 0) {
+    wo->accept_local = 1;
+  }
+  if (wo->hisaddr == 0) {
+    wo->accept_remote = 1;
+  }
+  /* Request DNS addresses from the peer */
+  wo->req_dns1 = ppp_settings.usepeerdns;
+  wo->req_dns2 = ppp_settings.usepeerdns;
+  ipcp_gotoptions[f->unit] = *wo;
+  cis_received[f->unit] = 0;
+}
+
+
+/*
+ * ipcp_cilen - Return length of our CI.
+ */
+static int
+ipcp_cilen(fsm *f)
+{
+  ipcp_options *go = &ipcp_gotoptions[f->unit];
+  ipcp_options *wo = &ipcp_wantoptions[f->unit];
+  ipcp_options *ho = &ipcp_hisoptions[f->unit];
+
+#define LENCIVJ(neg, old)   (neg ? (old? CILEN_COMPRESS : CILEN_VJ) : 0)
+#define LENCIADDR(neg, old) (neg ? (old? CILEN_ADDRS : CILEN_ADDR) : 0)
+#define LENCIDNS(neg)       (neg ? (CILEN_ADDR) : 0)
+
+  /*
+   * First see if we want to change our options to the old
+   * forms because we have received old forms from the peer.
+   */
+  if (wo->neg_addr && !go->neg_addr && !go->old_addrs) {
+    /* use the old style of address negotiation */
+    go->neg_addr = 1;
+    go->old_addrs = 1;
+  }
+  if (wo->neg_vj && !go->neg_vj && !go->old_vj) {
+    /* try an older style of VJ negotiation */
+    if (cis_received[f->unit] == 0) {
+      /* keep trying the new style until we see some CI from the peer */
+      go->neg_vj = 1;
+    } else {
+      /* use the old style only if the peer did */
+      if (ho->neg_vj && ho->old_vj) {
+        go->neg_vj = 1;
+        go->old_vj = 1;
+        go->vj_protocol = ho->vj_protocol;
+      }
+    }
+  }
+
+  return (LENCIADDR(go->neg_addr, go->old_addrs) +
+          LENCIVJ(go->neg_vj, go->old_vj) +
+          LENCIDNS(go->req_dns1) +
+          LENCIDNS(go->req_dns2));
+}
+
+
+/*
+ * ipcp_addci - Add our desired CIs to a packet.
+ */
+static void
+ipcp_addci(fsm *f, u_char *ucp, int *lenp)
+{
+  ipcp_options *go = &ipcp_gotoptions[f->unit];
+  int len = *lenp;
+
+#define ADDCIVJ(opt, neg, val, old, maxslotindex, cflag) \
+  if (neg) { \
+    int vjlen = old? CILEN_COMPRESS : CILEN_VJ; \
+    if (len >= vjlen) { \
+      PUTCHAR(opt, ucp); \
+      PUTCHAR(vjlen, ucp); \
+      PUTSHORT(val, ucp); \
+      if (!old) { \
+        PUTCHAR(maxslotindex, ucp); \
+        PUTCHAR(cflag, ucp); \
+      } \
+      len -= vjlen; \
+    } else { \
+      neg = 0; \
+    } \
+  }
+
+#define ADDCIADDR(opt, neg, old, val1, val2) \
+  if (neg) { \
+    int addrlen = (old? CILEN_ADDRS: CILEN_ADDR); \
+    if (len >= addrlen) { \
+      u32_t l; \
+      PUTCHAR(opt, ucp); \
+      PUTCHAR(addrlen, ucp); \
+      l = ntohl(val1); \
+      PUTLONG(l, ucp); \
+      if (old) { \
+        l = ntohl(val2); \
+        PUTLONG(l, ucp); \
+      } \
+      len -= addrlen; \
+    } else { \
+      neg = 0; \
+    } \
+  }
+
+#define ADDCIDNS(opt, neg, addr) \
+  if (neg) { \
+    if (len >= CILEN_ADDR) { \
+      u32_t l; \
+      PUTCHAR(opt, ucp); \
+      PUTCHAR(CILEN_ADDR, ucp); \
+      l = ntohl(addr); \
+      PUTLONG(l, ucp); \
+      len -= CILEN_ADDR; \
+    } else { \
+      neg = 0; \
+    } \
+  }
+
+  ADDCIADDR((go->old_addrs? CI_ADDRS: CI_ADDR), go->neg_addr,
+      go->old_addrs, go->ouraddr, go->hisaddr);
+
+  ADDCIVJ(CI_COMPRESSTYPE, go->neg_vj, go->vj_protocol, go->old_vj,
+      go->maxslotindex, go->cflag);
+
+  ADDCIDNS(CI_MS_DNS1, go->req_dns1, go->dnsaddr[0]);
+
+  ADDCIDNS(CI_MS_DNS2, go->req_dns2, go->dnsaddr[1]);
+
+  *lenp -= len;
+}
+
+
+/*
+ * ipcp_ackci - Ack our CIs.
+ *
+ * Returns:
+ *  0 - Ack was bad.
+ *  1 - Ack was good.
+ */
+static int
+ipcp_ackci(fsm *f, u_char *p, int len)
+{
+  ipcp_options *go = &ipcp_gotoptions[f->unit];
+  u_short cilen, citype, cishort;
+  u32_t cilong;
+  u_char cimaxslotindex, cicflag;
+
+  /*
+   * CIs must be in exactly the same order that we sent...
+   * Check packet length and CI length at each step.
+   * If we find any deviations, then this packet is bad.
+   */
+
+#define ACKCIVJ(opt, neg, val, old, maxslotindex, cflag) \
+  if (neg) { \
+    int vjlen = old? CILEN_COMPRESS : CILEN_VJ; \
+    if ((len -= vjlen) < 0) { \
+      goto bad; \
+    } \
+    GETCHAR(citype, p); \
+    GETCHAR(cilen, p); \
+    if (cilen != vjlen || \
+        citype != opt) { \
+      goto bad; \
+    } \
+    GETSHORT(cishort, p); \
+    if (cishort != val) { \
+      goto bad; \
+    } \
+    if (!old) { \
+      GETCHAR(cimaxslotindex, p); \
+      if (cimaxslotindex != maxslotindex) { \
+        goto bad; \
+      } \
+      GETCHAR(cicflag, p); \
+      if (cicflag != cflag) { \
+        goto bad; \
+      } \
+    } \
+  }
+  
+#define ACKCIADDR(opt, neg, old, val1, val2) \
+  if (neg) { \
+    int addrlen = (old? CILEN_ADDRS: CILEN_ADDR); \
+    u32_t l; \
+    if ((len -= addrlen) < 0) { \
+      goto bad; \
+    } \
+    GETCHAR(citype, p); \
+    GETCHAR(cilen, p); \
+    if (cilen != addrlen || \
+        citype != opt) { \
+      goto bad; \
+    } \
+    GETLONG(l, p); \
+    cilong = htonl(l); \
+    if (val1 != cilong) { \
+      goto bad; \
+    } \
+    if (old) { \
+      GETLONG(l, p); \
+      cilong = htonl(l); \
+      if (val2 != cilong) { \
+        goto bad; \
+      } \
+    } \
+  }
+
+#define ACKCIDNS(opt, neg, addr) \
+  if (neg) { \
+    u32_t l; \
+    if ((len -= CILEN_ADDR) < 0) { \
+      goto bad; \
+    } \
+    GETCHAR(citype, p); \
+    GETCHAR(cilen, p); \
+    if (cilen != CILEN_ADDR || \
+        citype != opt) { \
+      goto bad; \
+    } \
+    GETLONG(l, p); \
+    cilong = htonl(l); \
+    if (addr != cilong) { \
+      goto bad; \
+    } \
+  }
+
+  ACKCIADDR((go->old_addrs? CI_ADDRS: CI_ADDR), go->neg_addr,
+        go->old_addrs, go->ouraddr, go->hisaddr);
+
+  ACKCIVJ(CI_COMPRESSTYPE, go->neg_vj, go->vj_protocol, go->old_vj,
+      go->maxslotindex, go->cflag);
+
+  ACKCIDNS(CI_MS_DNS1, go->req_dns1, go->dnsaddr[0]);
+
+  ACKCIDNS(CI_MS_DNS2, go->req_dns2, go->dnsaddr[1]);
+
+  /*
+   * If there are any remaining CIs, then this packet is bad.
+   */
+  if (len != 0) {
+    goto bad;
+  }
+  return (1);
+
+bad:
+  IPCPDEBUG(LOG_INFO, ("ipcp_ackci: received bad Ack!\n"));
+  return (0);
+}
+
+/*
+ * ipcp_nakci - Peer has sent a NAK for some of our CIs.
+ * This should not modify any state if the Nak is bad
+ * or if IPCP is in the LS_OPENED state.
+ *
+ * Returns:
+ *  0 - Nak was bad.
+ *  1 - Nak was good.
+ */
+static int
+ipcp_nakci(fsm *f, u_char *p, int len)
+{
+  ipcp_options *go = &ipcp_gotoptions[f->unit];
+  u_char cimaxslotindex, cicflag;
+  u_char citype, cilen, *next;
+  u_short cishort;
+  u32_t ciaddr1, ciaddr2, l, cidnsaddr;
+  ipcp_options no;    /* options we've seen Naks for */
+  ipcp_options try;    /* options to request next time */
+
+  BZERO(&no, sizeof(no));
+  try = *go;
+
+  /*
+   * Any Nak'd CIs must be in exactly the same order that we sent.
+   * Check packet length and CI length at each step.
+   * If we find any deviations, then this packet is bad.
+   */
+#define NAKCIADDR(opt, neg, old, code) \
+  if (go->neg && \
+      len >= (cilen = (old? CILEN_ADDRS: CILEN_ADDR)) && \
+      p[1] == cilen && \
+      p[0] == opt) { \
+    len -= cilen; \
+    INCPTR(2, p); \
+    GETLONG(l, p); \
+    ciaddr1 = htonl(l); \
+    if (old) { \
+      GETLONG(l, p); \
+      ciaddr2 = htonl(l); \
+      no.old_addrs = 1; \
+    } else { \
+      ciaddr2 = 0; \
+    } \
+    no.neg = 1; \
+    code \
+  }
+
+#define NAKCIVJ(opt, neg, code) \
+  if (go->neg && \
+      ((cilen = p[1]) == CILEN_COMPRESS || cilen == CILEN_VJ) && \
+      len >= cilen && \
+      p[0] == opt) { \
+    len -= cilen; \
+    INCPTR(2, p); \
+    GETSHORT(cishort, p); \
+    no.neg = 1; \
+    code \
+  }
+  
+#define NAKCIDNS(opt, neg, code) \
+  if (go->neg && \
+      ((cilen = p[1]) == CILEN_ADDR) && \
+      len >= cilen && \
+      p[0] == opt) { \
+    len -= cilen; \
+    INCPTR(2, p); \
+    GETLONG(l, p); \
+    cidnsaddr = htonl(l); \
+    no.neg = 1; \
+    code \
+  }
+
+  /*
+   * Accept the peer's idea of {our,his} address, if different
+   * from our idea, only if the accept_{local,remote} flag is set.
+   */
+  NAKCIADDR((go->old_addrs? CI_ADDRS: CI_ADDR), neg_addr, go->old_addrs,
+    if (go->accept_local && ciaddr1) { /* Do we know our address? */
+      try.ouraddr = ciaddr1;
+      IPCPDEBUG(LOG_INFO, ("local IP address %s\n",
+           inet_ntoa(ciaddr1)));
+    }
+    if (go->accept_remote && ciaddr2) { /* Does he know his? */
+      try.hisaddr = ciaddr2;
+      IPCPDEBUG(LOG_INFO, ("remote IP address %s\n",
+           inet_ntoa(ciaddr2)));
+    }
+  );
+
+  /*
+   * Accept the peer's value of maxslotindex provided that it
+   * is less than what we asked for.  Turn off slot-ID compression
+   * if the peer wants.  Send old-style compress-type option if
+   * the peer wants.
+   */
+  NAKCIVJ(CI_COMPRESSTYPE, neg_vj,
+    if (cilen == CILEN_VJ) {
+      GETCHAR(cimaxslotindex, p);
+      GETCHAR(cicflag, p);
+      if (cishort == IPCP_VJ_COMP) {
+        try.old_vj = 0;
+        if (cimaxslotindex < go->maxslotindex) {
+          try.maxslotindex = cimaxslotindex;
+        }
+        if (!cicflag) {
+          try.cflag = 0;
+        }
+      } else {
+        try.neg_vj = 0;
+      }
+    } else {
+      if (cishort == IPCP_VJ_COMP || cishort == IPCP_VJ_COMP_OLD) {
+        try.old_vj = 1;
+        try.vj_protocol = cishort;
+      } else {
+        try.neg_vj = 0;
+      }
+    }
+  );
+
+  NAKCIDNS(CI_MS_DNS1, req_dns1,
+      try.dnsaddr[0] = cidnsaddr;
+        IPCPDEBUG(LOG_INFO, ("primary DNS address %s\n", inet_ntoa(cidnsaddr)));
+      );
+
+  NAKCIDNS(CI_MS_DNS2, req_dns2,
+      try.dnsaddr[1] = cidnsaddr;
+        IPCPDEBUG(LOG_INFO, ("secondary DNS address %s\n", inet_ntoa(cidnsaddr)));
+      );
+
+  /*
+  * There may be remaining CIs, if the peer is requesting negotiation
+  * on an option that we didn't include in our request packet.
+  * If they want to negotiate about IP addresses, we comply.
+  * If they want us to ask for compression, we refuse.
+  */
+  while (len > CILEN_VOID) {
+    GETCHAR(citype, p);
+    GETCHAR(cilen, p);
+    if( (len -= cilen) < 0 ) {
+      goto bad;
+    }
+    next = p + cilen - 2;
+
+    switch (citype) {
+      case CI_COMPRESSTYPE:
+        if (go->neg_vj || no.neg_vj ||
+            (cilen != CILEN_VJ && cilen != CILEN_COMPRESS)) {
+          goto bad;
+        }
+        no.neg_vj = 1;
+        break;
+      case CI_ADDRS:
+        if ((go->neg_addr && go->old_addrs) || no.old_addrs
+            || cilen != CILEN_ADDRS) {
+          goto bad;
+        }
+        try.neg_addr = 1;
+        try.old_addrs = 1;
+        GETLONG(l, p);
+        ciaddr1 = htonl(l);
+        if (ciaddr1 && go->accept_local) {
+          try.ouraddr = ciaddr1;
+        }
+        GETLONG(l, p);
+        ciaddr2 = htonl(l);
+        if (ciaddr2 && go->accept_remote) {
+          try.hisaddr = ciaddr2;
+        }
+        no.old_addrs = 1;
+        break;
+      case CI_ADDR:
+        if (go->neg_addr || no.neg_addr || cilen != CILEN_ADDR) {
+          goto bad;
+        }
+        try.old_addrs = 0;
+        GETLONG(l, p);
+        ciaddr1 = htonl(l);
+        if (ciaddr1 && go->accept_local) {
+          try.ouraddr = ciaddr1;
+        }
+        if (try.ouraddr != 0) {
+          try.neg_addr = 1;
+        }
+        no.neg_addr = 1;
+        break;
+    }
+    p = next;
+  }
+
+  /* If there is still anything left, this packet is bad. */
+  if (len != 0) {
+    goto bad;
+  }
+
+  /*
+   * OK, the Nak is good.  Now we can update state.
+   */
+  if (f->state != LS_OPENED) {
+    *go = try;
+  }
+
+  return 1;
+
+bad:
+  IPCPDEBUG(LOG_INFO, ("ipcp_nakci: received bad Nak!\n"));
+  return 0;
+}
+
+
+/*
+ * ipcp_rejci - Reject some of our CIs.
+ */
+static int
+ipcp_rejci(fsm *f, u_char *p, int len)
+{
+  ipcp_options *go = &ipcp_gotoptions[f->unit];
+  u_char cimaxslotindex, ciflag, cilen;
+  u_short cishort;
+  u32_t cilong;
+  ipcp_options try;    /* options to request next time */
+
+  try = *go;
+  /*
+   * Any Rejected CIs must be in exactly the same order that we sent.
+   * Check packet length and CI length at each step.
+   * If we find any deviations, then this packet is bad.
+   */
+#define REJCIADDR(opt, neg, old, val1, val2) \
+  if (go->neg && \
+      len >= (cilen = old? CILEN_ADDRS: CILEN_ADDR) && \
+      p[1] == cilen && \
+      p[0] == opt) { \
+    u32_t l; \
+    len -= cilen; \
+    INCPTR(2, p); \
+    GETLONG(l, p); \
+    cilong = htonl(l); \
+    /* Check rejected value. */ \
+    if (cilong != val1) { \
+      goto bad; \
+    } \
+    if (old) { \
+      GETLONG(l, p); \
+      cilong = htonl(l); \
+      /* Check rejected value. */ \
+      if (cilong != val2) { \
+        goto bad; \
+      } \
+    } \
+    try.neg = 0; \
+  }
+
+#define REJCIVJ(opt, neg, val, old, maxslot, cflag) \
+  if (go->neg && \
+      p[1] == (old? CILEN_COMPRESS : CILEN_VJ) && \
+      len >= p[1] && \
+      p[0] == opt) { \
+    len -= p[1]; \
+    INCPTR(2, p); \
+    GETSHORT(cishort, p); \
+    /* Check rejected value. */  \
+    if (cishort != val) { \
+      goto bad; \
+    } \
+    if (!old) { \
+      GETCHAR(cimaxslotindex, p); \
+      if (cimaxslotindex != maxslot) { \
+        goto bad; \
+      } \
+      GETCHAR(ciflag, p); \
+      if (ciflag != cflag) { \
+        goto bad; \
+      } \
+    } \
+    try.neg = 0; \
+  }
+
+#define REJCIDNS(opt, neg, dnsaddr) \
+  if (go->neg && \
+      ((cilen = p[1]) == CILEN_ADDR) && \
+      len >= cilen && \
+      p[0] == opt) { \
+    u32_t l; \
+    len -= cilen; \
+    INCPTR(2, p); \
+    GETLONG(l, p); \
+    cilong = htonl(l); \
+    /* Check rejected value. */ \
+    if (cilong != dnsaddr) { \
+      goto bad; \
+    } \
+    try.neg = 0; \
+  }
+
+  REJCIADDR((go->old_addrs? CI_ADDRS: CI_ADDR), neg_addr,
+        go->old_addrs, go->ouraddr, go->hisaddr);
+
+  REJCIVJ(CI_COMPRESSTYPE, neg_vj, go->vj_protocol, go->old_vj,
+      go->maxslotindex, go->cflag);
+
+  REJCIDNS(CI_MS_DNS1, req_dns1, go->dnsaddr[0]);
+
+  REJCIDNS(CI_MS_DNS2, req_dns2, go->dnsaddr[1]);
+
+  /*
+   * If there are any remaining CIs, then this packet is bad.
+   */
+  if (len != 0) {
+    goto bad;
+  }
+  /*
+   * Now we can update state.
+   */
+  if (f->state != LS_OPENED) {
+    *go = try;
+  }
+  return 1;
+
+bad:
+  IPCPDEBUG(LOG_INFO, ("ipcp_rejci: received bad Reject!\n"));
+  return 0;
+}
+
+
+/*
+ * ipcp_reqci - Check the peer's requested CIs and send appropriate response.
+ *
+ * Returns: CONFACK, CONFNAK or CONFREJ and input packet modified
+ * appropriately.  If reject_if_disagree is non-zero, doesn't return
+ * CONFNAK; returns CONFREJ if it can't return CONFACK.
+ */
+static int
+ipcp_reqci(fsm *f, u_char *inp/* Requested CIs */,int *len/* Length of requested CIs */,int reject_if_disagree)
+{
+  ipcp_options *wo = &ipcp_wantoptions[f->unit];
+  ipcp_options *ho = &ipcp_hisoptions[f->unit];
+  ipcp_options *ao = &ipcp_allowoptions[f->unit];
+#ifdef OLD_CI_ADDRS
+  ipcp_options *go = &ipcp_gotoptions[f->unit];
+#endif
+  u_char *cip, *next;     /* Pointer to current and next CIs */
+  u_short cilen, citype;  /* Parsed len, type */
+  u_short cishort;        /* Parsed short value */
+  u32_t tl, ciaddr1;      /* Parsed address values */
+#ifdef OLD_CI_ADDRS
+  u32_t ciaddr2;          /* Parsed address values */
+#endif
+  int rc = CONFACK;       /* Final packet return code */
+  int orc;                /* Individual option return code */
+  u_char *p;              /* Pointer to next char to parse */
+  u_char *ucp = inp;      /* Pointer to current output char */
+  int l = *len;           /* Length left */
+  u_char maxslotindex, cflag;
+  int d;
+
+  cis_received[f->unit] = 1;
+
+  /*
+   * Reset all his options.
+   */
+  BZERO(ho, sizeof(*ho));
+
+  /*
+   * Process all his options.
+   */
+  next = inp;
+  while (l) {
+    orc = CONFACK;       /* Assume success */
+    cip = p = next;      /* Remember begining of CI */
+    if (l < 2 ||         /* Not enough data for CI header or */
+        p[1] < 2 ||      /*  CI length too small or */
+        p[1] > l) {      /*  CI length too big? */
+      IPCPDEBUG(LOG_INFO, ("ipcp_reqci: bad CI length!\n"));
+      orc = CONFREJ;     /* Reject bad CI */
+      cilen = (u_short)l;/* Reject till end of packet */
+      l = 0;             /* Don't loop again */
+      goto endswitch;
+    }
+    GETCHAR(citype, p);  /* Parse CI type */
+    GETCHAR(cilen, p);   /* Parse CI length */
+    l -= cilen;          /* Adjust remaining length */
+    next += cilen;       /* Step to next CI */
+
+    switch (citype) {      /* Check CI type */
+#ifdef OLD_CI_ADDRS /* Need to save space... */
+      case CI_ADDRS:
+        IPCPDEBUG(LOG_INFO, ("ipcp_reqci: received ADDRS\n"));
+        if (!ao->neg_addr ||
+            cilen != CILEN_ADDRS) {  /* Check CI length */
+          orc = CONFREJ;    /* Reject CI */
+          break;
+        }
+
+        /*
+         * If he has no address, or if we both have his address but
+         * disagree about it, then NAK it with our idea.
+         * In particular, if we don't know his address, but he does,
+         * then accept it.
+         */
+        GETLONG(tl, p);    /* Parse source address (his) */
+        ciaddr1 = htonl(tl);
+        IPCPDEBUG(LOG_INFO, ("his addr %s\n", inet_ntoa(ciaddr1)));
+        if (ciaddr1 != wo->hisaddr
+            && (ciaddr1 == 0 || !wo->accept_remote)) {
+          orc = CONFNAK;
+          if (!reject_if_disagree) {
+            DECPTR(sizeof(u32_t), p);
+            tl = ntohl(wo->hisaddr);
+            PUTLONG(tl, p);
+          }
+        } else if (ciaddr1 == 0 && wo->hisaddr == 0) {
+          /*
+           * If neither we nor he knows his address, reject the option.
+           */
+          orc = CONFREJ;
+          wo->req_addr = 0;  /* don't NAK with 0.0.0.0 later */
+          break;
+        }
+
+        /*
+         * If he doesn't know our address, or if we both have our address
+         * but disagree about it, then NAK it with our idea.
+         */
+        GETLONG(tl, p);    /* Parse desination address (ours) */
+        ciaddr2 = htonl(tl);
+        IPCPDEBUG(LOG_INFO, ("our addr %s\n", inet_ntoa(ciaddr2)));
+        if (ciaddr2 != wo->ouraddr) {
+          if (ciaddr2 == 0 || !wo->accept_local) {
+            orc = CONFNAK;
+            if (!reject_if_disagree) {
+              DECPTR(sizeof(u32_t), p);
+              tl = ntohl(wo->ouraddr);
+              PUTLONG(tl, p);
+            }
+          } else {
+            go->ouraddr = ciaddr2;  /* accept peer's idea */
+          }
+        }
+
+        ho->neg_addr = 1;
+        ho->old_addrs = 1;
+        ho->hisaddr = ciaddr1;
+        ho->ouraddr = ciaddr2;
+        break;
+#endif
+
+      case CI_ADDR:
+        if (!ao->neg_addr) {
+          IPCPDEBUG(LOG_INFO, ("ipcp_reqci: Reject ADDR not allowed\n"));
+          orc = CONFREJ;        /* Reject CI */
+          break;
+        } else if (cilen != CILEN_ADDR) {  /* Check CI length */
+          IPCPDEBUG(LOG_INFO, ("ipcp_reqci: Reject ADDR bad len\n"));
+          orc = CONFREJ;        /* Reject CI */
+          break;
+        }
+
+        /*
+         * If he has no address, or if we both have his address but
+         * disagree about it, then NAK it with our idea.
+         * In particular, if we don't know his address, but he does,
+         * then accept it.
+         */
+        GETLONG(tl, p);  /* Parse source address (his) */
+        ciaddr1 = htonl(tl);
+        if (ciaddr1 != wo->hisaddr
+            && (ciaddr1 == 0 || !wo->accept_remote)) {
+          orc = CONFNAK;
+          if (!reject_if_disagree) {
+            DECPTR(sizeof(u32_t), p);
+            tl = ntohl(wo->hisaddr);
+            PUTLONG(tl, p);
+          }
+          IPCPDEBUG(LOG_INFO, ("ipcp_reqci: Nak ADDR %s\n", inet_ntoa(ciaddr1)));
+        } else if (ciaddr1 == 0 && wo->hisaddr == 0) {
+          /*
+           * Don't ACK an address of 0.0.0.0 - reject it instead.
+           */
+          IPCPDEBUG(LOG_INFO, ("ipcp_reqci: Reject ADDR %s\n", inet_ntoa(ciaddr1)));
+          orc = CONFREJ;
+          wo->req_addr = 0;  /* don't NAK with 0.0.0.0 later */
+          break;
+        }
+
+        ho->neg_addr = 1;
+        ho->hisaddr = ciaddr1;
+        IPCPDEBUG(LOG_INFO, ("ipcp_reqci: ADDR %s\n", inet_ntoa(ciaddr1)));
+        break;
+
+      case CI_MS_DNS1:
+      case CI_MS_DNS2:
+        /* Microsoft primary or secondary DNS request */
+        d = citype == CI_MS_DNS2;
+
+        /* If we do not have a DNS address then we cannot send it */
+        if (ao->dnsaddr[d] == 0 ||
+            cilen != CILEN_ADDR) {  /* Check CI length */
+          IPCPDEBUG(LOG_INFO, ("ipcp_reqci: Rejecting DNS%d Request\n", d+1));
+          orc = CONFREJ;        /* Reject CI */
+          break;
+        }
+        GETLONG(tl, p);
+        if (htonl(tl) != ao->dnsaddr[d]) {
+          IPCPDEBUG(LOG_INFO, ("ipcp_reqci: Naking DNS%d Request %s\n",
+                d+1, inet_ntoa(tl)));
+          DECPTR(sizeof(u32_t), p);
+          tl = ntohl(ao->dnsaddr[d]);
+          PUTLONG(tl, p);
+          orc = CONFNAK;
+        }
+        IPCPDEBUG(LOG_INFO, ("ipcp_reqci: received DNS%d Request\n", d+1));
+        break;
+
+      case CI_MS_WINS1:
+      case CI_MS_WINS2:
+        /* Microsoft primary or secondary WINS request */
+        d = citype == CI_MS_WINS2;
+        IPCPDEBUG(LOG_INFO, ("ipcp_reqci: received WINS%d Request\n", d+1));
+
+        /* If we do not have a DNS address then we cannot send it */
+        if (ao->winsaddr[d] == 0 ||
+          cilen != CILEN_ADDR) {  /* Check CI length */
+          orc = CONFREJ;      /* Reject CI */
+          break;
+        }
+        GETLONG(tl, p);
+        if (htonl(tl) != ao->winsaddr[d]) {
+          DECPTR(sizeof(u32_t), p);
+          tl = ntohl(ao->winsaddr[d]);
+          PUTLONG(tl, p);
+          orc = CONFNAK;
+        }
+        break;
+
+      case CI_COMPRESSTYPE:
+        if (!ao->neg_vj) {
+          IPCPDEBUG(LOG_INFO, ("ipcp_reqci: Rejecting COMPRESSTYPE not allowed\n"));
+          orc = CONFREJ;
+          break;
+        } else if (cilen != CILEN_VJ && cilen != CILEN_COMPRESS) {
+          IPCPDEBUG(LOG_INFO, ("ipcp_reqci: Rejecting COMPRESSTYPE len=%d\n", cilen));
+          orc = CONFREJ;
+          break;
+        }
+        GETSHORT(cishort, p);
+
+        if (!(cishort == IPCP_VJ_COMP ||
+            (cishort == IPCP_VJ_COMP_OLD && cilen == CILEN_COMPRESS))) {
+          IPCPDEBUG(LOG_INFO, ("ipcp_reqci: Rejecting COMPRESSTYPE %d\n", cishort));
+          orc = CONFREJ;
+          break;
+        }
+
+        ho->neg_vj = 1;
+        ho->vj_protocol = cishort;
+        if (cilen == CILEN_VJ) {
+          GETCHAR(maxslotindex, p);
+          if (maxslotindex > ao->maxslotindex) { 
+            IPCPDEBUG(LOG_INFO, ("ipcp_reqci: Naking VJ max slot %d\n", maxslotindex));
+            orc = CONFNAK;
+            if (!reject_if_disagree) {
+              DECPTR(1, p);
+              PUTCHAR(ao->maxslotindex, p);
+            }
+          }
+          GETCHAR(cflag, p);
+          if (cflag && !ao->cflag) {
+            IPCPDEBUG(LOG_INFO, ("ipcp_reqci: Naking VJ cflag %d\n", cflag));
+            orc = CONFNAK;
+            if (!reject_if_disagree) {
+              DECPTR(1, p);
+              PUTCHAR(wo->cflag, p);
+            }
+          }
+          ho->maxslotindex = maxslotindex;
+          ho->cflag = cflag;
+        } else {
+          ho->old_vj = 1;
+          ho->maxslotindex = MAX_SLOTS - 1;
+          ho->cflag = 1;
+        }
+        IPCPDEBUG(LOG_INFO, (
+              "ipcp_reqci: received COMPRESSTYPE p=%d old=%d maxslot=%d cflag=%d\n",
+              ho->vj_protocol, ho->old_vj, ho->maxslotindex, ho->cflag));
+        break;
+
+      default:
+        IPCPDEBUG(LOG_INFO, ("ipcp_reqci: Rejecting unknown CI type %d\n", citype));
+        orc = CONFREJ;
+        break;
+    }
+
+endswitch:
+    if (orc == CONFACK &&    /* Good CI */
+        rc != CONFACK) {     /*  but prior CI wasnt? */
+      continue;              /* Don't send this one */
+    }
+
+    if (orc == CONFNAK) {    /* Nak this CI? */
+      if (reject_if_disagree) {  /* Getting fed up with sending NAKs? */
+        IPCPDEBUG(LOG_INFO, ("ipcp_reqci: Rejecting too many naks\n"));
+        orc = CONFREJ;       /* Get tough if so */
+      } else {
+        if (rc == CONFREJ) { /* Rejecting prior CI? */
+          continue;          /* Don't send this one */
+        }
+        if (rc == CONFACK) { /* Ack'd all prior CIs? */
+          rc = CONFNAK;      /* Not anymore... */
+          ucp = inp;         /* Backup */
+        }
+      }
+    }
+
+    if (orc == CONFREJ &&    /* Reject this CI */
+        rc != CONFREJ) {  /*  but no prior ones? */
+      rc = CONFREJ;
+      ucp = inp;        /* Backup */
+    }
+    
+    /* Need to move CI? */
+    if (ucp != cip) {
+      BCOPY(cip, ucp, cilen);  /* Move it */
+    }
+
+    /* Update output pointer */
+    INCPTR(cilen, ucp);
+  }
+
+  /*
+   * If we aren't rejecting this packet, and we want to negotiate
+   * their address, and they didn't send their address, then we
+   * send a NAK with a CI_ADDR option appended.  We assume the
+   * input buffer is long enough that we can append the extra
+   * option safely.
+   */
+  if (rc != CONFREJ && !ho->neg_addr &&
+      wo->req_addr && !reject_if_disagree) {
+    IPCPDEBUG(LOG_INFO, ("ipcp_reqci: Requesting peer address\n"));
+    if (rc == CONFACK) {
+      rc = CONFNAK;
+      ucp = inp;        /* reset pointer */
+      wo->req_addr = 0;    /* don't ask again */
+    }
+    PUTCHAR(CI_ADDR, ucp);
+    PUTCHAR(CILEN_ADDR, ucp);
+    tl = ntohl(wo->hisaddr);
+    PUTLONG(tl, ucp);
+  }
+
+  *len = (int)(ucp - inp);    /* Compute output length */
+  IPCPDEBUG(LOG_INFO, ("ipcp_reqci: returning Configure-%s\n", CODENAME(rc)));
+  return (rc);      /* Return final code */
+}
+
+
+#if 0
+/*
+ * ip_check_options - check that any IP-related options are OK,
+ * and assign appropriate defaults.
+ */
+static void
+ip_check_options(u_long localAddr)
+{
+  ipcp_options *wo = &ipcp_wantoptions[0];
+
+  /*
+   * Load our default IP address but allow the remote host to give us
+   * a new address.
+   */
+  if (wo->ouraddr == 0 && !ppp_settings.disable_defaultip) {
+    wo->accept_local = 1;  /* don't insist on this default value */
+    wo->ouraddr = htonl(localAddr);
+  }
+}
+#endif
+
+
+/*
+ * ipcp_up - IPCP has come UP.
+ *
+ * Configure the IP network interface appropriately and bring it up.
+ */
+static void
+ipcp_up(fsm *f)
+{
+  u32_t mask;
+  ipcp_options *ho = &ipcp_hisoptions[f->unit];
+  ipcp_options *go = &ipcp_gotoptions[f->unit];
+  ipcp_options *wo = &ipcp_wantoptions[f->unit];
+
+  np_up(f->unit, PPP_IP);
+  IPCPDEBUG(LOG_INFO, ("ipcp: up\n"));
+
+  /*
+   * We must have a non-zero IP address for both ends of the link.
+   */
+  if (!ho->neg_addr) {
+    ho->hisaddr = wo->hisaddr;
+  }
+
+  if (ho->hisaddr == 0) {
+#if 0
+    IPCPDEBUG(LOG_ERR, ("Could not determine remote IP address\n"));
+    ipcp_close(f->unit, "Could not determine remote IP address");
+    return;
+#else //Kludge
+    ho->hisaddr = 0; //Set remote IP to 0.0.0.0, this is needed as most 3g providers do not advertise the remote IP to the user
+#endif
+  }
+  if (go->ouraddr == 0) {
+    IPCPDEBUG(LOG_ERR, ("Could not determine local IP address\n"));
+    ipcp_close(f->unit, "Could not determine local IP address");
+    return;
+  }
+
+  if (ppp_settings.usepeerdns && (go->dnsaddr[0] || go->dnsaddr[1])) {
+    /*pppGotDNSAddrs(go->dnsaddr[0], go->dnsaddr[1]);*/
+  }
+
+  /*
+   * Check that the peer is allowed to use the IP address it wants.
+   */
+  if (!auth_ip_addr(f->unit, ho->hisaddr)) {
+    IPCPDEBUG(LOG_ERR, ("Peer is not authorized to use remote address %s\n",
+        inet_ntoa(ho->hisaddr)));
+    ipcp_close(f->unit, "Unauthorized remote IP address");
+    return;
+  }
+
+  /* set tcp compression */
+  sifvjcomp(f->unit, ho->neg_vj, ho->cflag, ho->maxslotindex);
+
+  /*
+   * Set IP addresses and (if specified) netmask.
+   */
+  mask = GetMask(go->ouraddr);
+
+  if (!sifaddr(f->unit, go->ouraddr, ho->hisaddr, mask, go->dnsaddr[0], go->dnsaddr[1])) {
+    IPCPDEBUG(LOG_WARNING, ("sifaddr failed\n"));
+    ipcp_close(f->unit, "Interface configuration failed");
+    return;
+  }
+
+  /* bring the interface up for IP */
+  if (!sifup(f->unit)) {
+    IPCPDEBUG(LOG_WARNING, ("sifup failed\n"));
+    ipcp_close(f->unit, "Interface configuration failed");
+    return;
+  }
+
+  sifnpmode(f->unit, PPP_IP, NPMODE_PASS);
+
+  /* assign a default route through the interface if required */
+  if (ipcp_wantoptions[f->unit].default_route) {
+    if (sifdefaultroute(f->unit, go->ouraddr, ho->hisaddr)) {
+      default_route_set[f->unit] = 1;
+    }
+  }
+
+  IPCPDEBUG(LOG_NOTICE, ("local  IP address %s\n", inet_ntoa(go->ouraddr)));
+  IPCPDEBUG(LOG_NOTICE, ("remote IP address %s\n", inet_ntoa(ho->hisaddr)));
+  if (go->dnsaddr[0]) {
+    IPCPDEBUG(LOG_NOTICE, ("primary   DNS address %s\n", inet_ntoa(go->dnsaddr[0])));
+  }
+  if (go->dnsaddr[1]) {
+    IPCPDEBUG(LOG_NOTICE, ("secondary DNS address %s\n", inet_ntoa(go->dnsaddr[1])));
+  }
+}
+
+
+/*
+ * ipcp_down - IPCP has gone DOWN.
+ *
+ * Take the IP network interface down, clear its addresses
+ * and delete routes through it.
+ */
+static void
+ipcp_down(fsm *f)
+{
+  IPCPDEBUG(LOG_INFO, ("ipcp: down\n"));
+  np_down(f->unit, PPP_IP);
+  sifvjcomp(f->unit, 0, 0, 0);
+
+  sifdown(f->unit);
+  ipcp_clear_addrs(f->unit);
+}
+
+
+/*
+ * ipcp_clear_addrs() - clear the interface addresses, routes, etc.
+ */
+static void
+ipcp_clear_addrs(int unit)
+{
+  u32_t ouraddr, hisaddr;
+
+  ouraddr = ipcp_gotoptions[unit].ouraddr;
+  hisaddr = ipcp_hisoptions[unit].hisaddr;
+  if (default_route_set[unit]) {
+    cifdefaultroute(unit, ouraddr, hisaddr);
+    default_route_set[unit] = 0;
+  }
+  cifaddr(unit, ouraddr, hisaddr);
+}
+
+
+/*
+ * ipcp_finished - possibly shut down the lower layers.
+ */
+static void
+ipcp_finished(fsm *f)
+{
+  np_finished(f->unit, PPP_IP);
+}
+
+#if PPP_ADDITIONAL_CALLBACKS
+static int
+ipcp_printpkt(u_char *p, int plen, void (*printer) (void *, char *, ...), void *arg)
+{
+  LWIP_UNUSED_ARG(p);
+  LWIP_UNUSED_ARG(plen);
+  LWIP_UNUSED_ARG(printer);
+  LWIP_UNUSED_ARG(arg);
+  return 0;
+}
+
+/*
+ * ip_active_pkt - see if this IP packet is worth bringing the link up for.
+ * We don't bring the link up for IP fragments or for TCP FIN packets
+ * with no data.
+ */
+#define IP_HDRLEN   20  /* bytes */
+#define IP_OFFMASK  0x1fff
+#define IPPROTO_TCP 6
+#define TCP_HDRLEN  20
+#define TH_FIN      0x01
+
+/*
+ * We use these macros because the IP header may be at an odd address,
+ * and some compilers might use word loads to get th_off or ip_hl.
+ */
+
+#define net_short(x)    (((x)[0] << 8) + (x)[1])
+#define get_iphl(x)     (((unsigned char *)(x))[0] & 0xF)
+#define get_ipoff(x)    net_short((unsigned char *)(x) + 6)
+#define get_ipproto(x)  (((unsigned char *)(x))[9])
+#define get_tcpoff(x)   (((unsigned char *)(x))[12] >> 4)
+#define get_tcpflags(x) (((unsigned char *)(x))[13])
+
+static int
+ip_active_pkt(u_char *pkt, int len)
+{
+  u_char *tcp;
+  int hlen;
+
+  len -= PPP_HDRLEN;
+  pkt += PPP_HDRLEN;
+  if (len < IP_HDRLEN) {
+    return 0;
+  }
+  if ((get_ipoff(pkt) & IP_OFFMASK) != 0) {
+    return 0;
+  }
+  if (get_ipproto(pkt) != IPPROTO_TCP) {
+    return 1;
+  }
+  hlen = get_iphl(pkt) * 4;
+  if (len < hlen + TCP_HDRLEN) {
+    return 0;
+  }
+  tcp = pkt + hlen;
+  if ((get_tcpflags(tcp) & TH_FIN) != 0 && len == hlen + get_tcpoff(tcp) * 4) {
+    return 0;
+  }
+  return 1;
+}
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+
+#endif /* PPP_SUPPORT */
diff --git a/libraries/net/lwip/lwip/netif/ppp/ipcp.h b/libraries/net/lwip/lwip/netif/ppp/ipcp.h
new file mode 100644
index 0000000000..de03f460ec
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/ipcp.h
@@ -0,0 +1,106 @@
+/*****************************************************************************
+* ipcp.h -  PPP IP NCP: Internet Protocol Network Control Protocol header file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1997 Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-12-04 Guy Lancaster , Global Election Systems Inc.
+*   Original derived from BSD codes.
+*****************************************************************************/
+/*
+ * ipcp.h - IP Control Protocol definitions.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * $Id: ipcp.h,v 1.4 2010/01/18 20:49:43 goldsimon Exp $
+ */
+
+#ifndef IPCP_H
+#define IPCP_H
+
+/*
+ * Options.
+ */
+#define CI_ADDRS            1      /* IP Addresses */
+#define CI_COMPRESSTYPE     2      /* Compression Type */
+#define CI_ADDR             3
+
+#define CI_MS_DNS1          129    /* Primary DNS value */
+#define CI_MS_WINS1         128    /* Primary WINS value */
+#define CI_MS_DNS2          131    /* Secondary DNS value */
+#define CI_MS_WINS2         130    /* Secondary WINS value */
+
+#define IPCP_VJMODE_OLD     1      /* "old" mode (option # = 0x0037) */
+#define IPCP_VJMODE_RFC1172 2      /* "old-rfc"mode (option # = 0x002d) */
+#define IPCP_VJMODE_RFC1332 3      /* "new-rfc"mode (option # = 0x002d, */
+                                   /*  maxslot and slot number compression) */
+
+#define IPCP_VJ_COMP        0x002d /* current value for VJ compression option */
+#define IPCP_VJ_COMP_OLD    0x0037 /* "old" (i.e, broken) value for VJ */
+                                   /* compression option */ 
+
+typedef struct ipcp_options {
+  u_int   neg_addr      : 1; /* Negotiate IP Address? */
+  u_int   old_addrs     : 1; /* Use old (IP-Addresses) option? */
+  u_int   req_addr      : 1; /* Ask peer to send IP address? */
+  u_int   default_route : 1; /* Assign default route through interface? */
+  u_int   proxy_arp     : 1; /* Make proxy ARP entry for peer? */
+  u_int   neg_vj        : 1; /* Van Jacobson Compression? */
+  u_int   old_vj        : 1; /* use old (short) form of VJ option? */
+  u_int   accept_local  : 1; /* accept peer's value for ouraddr */
+  u_int   accept_remote : 1; /* accept peer's value for hisaddr */
+  u_int   req_dns1      : 1; /* Ask peer to send primary DNS address? */
+  u_int   req_dns2      : 1; /* Ask peer to send secondary DNS address? */
+  u_short vj_protocol;       /* protocol value to use in VJ option */
+  u_char  maxslotindex;      /* VJ slots - 1. */
+  u_char  cflag;             /* VJ slot compression flag. */
+  u32_t   ouraddr, hisaddr;  /* Addresses in NETWORK BYTE ORDER */
+  u32_t   dnsaddr[2];        /* Primary and secondary MS DNS entries */
+  u32_t   winsaddr[2];       /* Primary and secondary MS WINS entries */
+} ipcp_options;
+
+extern fsm ipcp_fsm[];
+extern ipcp_options ipcp_wantoptions[];
+extern ipcp_options ipcp_gotoptions[];
+extern ipcp_options ipcp_allowoptions[];
+extern ipcp_options ipcp_hisoptions[];
+
+extern struct protent ipcp_protent;
+
+#endif /* IPCP_H */
diff --git a/libraries/net/lwip/lwip/netif/ppp/lcp.c b/libraries/net/lwip/lwip/netif/ppp/lcp.c
new file mode 100644
index 0000000000..95d54849b9
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/lcp.c
@@ -0,0 +1,2066 @@
+/*****************************************************************************
+* lcp.c - Network Link Control Protocol program file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1997 by Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-12-01 Guy Lancaster , Global Election Systems Inc.
+*   Original.
+*****************************************************************************/
+
+/*
+ * lcp.c - PPP Link Control Protocol.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+ 
+
+#include "lwip/opt.h"
+
+#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#include "ppp.h"
+#include "pppdebug.h"
+
+#include "fsm.h"
+#include "chap.h"
+#include "magic.h"
+#include "auth.h"
+#include "lcp.h"
+
+#include 
+
+#if PPPOE_SUPPORT
+#include "netif/ppp_oe.h"
+#else
+#define PPPOE_MAXMTU PPP_MAXMRU
+#endif
+
+#if 0 /* UNUSED */
+/*
+ * LCP-related command-line options.
+ */
+int lcp_echo_interval = 0;  /* Interval between LCP echo-requests */
+int lcp_echo_fails = 0;     /* Tolerance to unanswered echo-requests */
+bool  lax_recv = 0;         /* accept control chars in asyncmap */
+
+static int setescape (char **);
+
+static option_t lcp_option_list[] = {
+    /* LCP options */
+    /* list stripped for simplicity */
+    {NULL}
+};
+#endif /* UNUSED */
+
+/* options */
+LinkPhase lcp_phase[NUM_PPP];          /* Phase of link session (RFC 1661) */
+static u_int lcp_echo_interval      = LCP_ECHOINTERVAL; /* Interval between LCP echo-requests */
+static u_int lcp_echo_fails         = LCP_MAXECHOFAILS; /* Tolerance to unanswered echo-requests */
+
+/* global vars */
+static fsm lcp_fsm[NUM_PPP];                            /* LCP fsm structure (global)*/
+lcp_options lcp_wantoptions[NUM_PPP];  /* Options that we want to request */
+lcp_options lcp_gotoptions[NUM_PPP];   /* Options that peer ack'd */
+lcp_options lcp_allowoptions[NUM_PPP]; /* Options we allow peer to request */
+lcp_options lcp_hisoptions[NUM_PPP];   /* Options that we ack'd */
+ext_accm xmit_accm[NUM_PPP];           /* extended transmit ACCM */
+
+static u32_t lcp_echos_pending      = 0;                /* Number of outstanding echo msgs */
+static u32_t lcp_echo_number        = 0;                /* ID number of next echo frame */
+static u32_t lcp_echo_timer_running = 0;                /* TRUE if a timer is running */
+
+/* @todo: do we really need such a large buffer? The typical 1500 bytes seem too much. */
+static u_char nak_buffer[PPP_MRU] __attribute((section("AHBSRAM1"))); /* where we construct a nak packet */
+
+/*
+ * Callbacks for fsm code.  (CI = Configuration Information)
+ */
+static void lcp_resetci (fsm*);                   /* Reset our CI */
+static int  lcp_cilen (fsm*);                     /* Return length of our CI */
+static void lcp_addci (fsm*, u_char*, int*);      /* Add our CI to pkt */
+static int  lcp_ackci (fsm*, u_char*, int);       /* Peer ack'd our CI */
+static int  lcp_nakci (fsm*, u_char*, int);       /* Peer nak'd our CI */
+static int  lcp_rejci (fsm*, u_char*, int);       /* Peer rej'd our CI */
+static int  lcp_reqci (fsm*, u_char*, int*, int); /* Rcv peer CI */
+static void lcp_up (fsm*);                        /* We're UP */
+static void lcp_down (fsm*);                      /* We're DOWN */
+static void lcp_starting (fsm*);                  /* We need lower layer up */
+static void lcp_finished (fsm*);                  /* We need lower layer down */
+static int  lcp_extcode (fsm*, int, u_char, u_char*, int);
+static void lcp_rprotrej (fsm*, u_char*, int);
+
+/*
+ * routines to send LCP echos to peer
+ */
+
+static void lcp_echo_lowerup (int);
+static void lcp_echo_lowerdown (int);
+static void LcpEchoTimeout (void*);
+static void lcp_received_echo_reply (fsm*, int, u_char*, int);
+static void LcpSendEchoRequest (fsm*);
+static void LcpLinkFailure (fsm*);
+static void LcpEchoCheck (fsm*);
+
+static fsm_callbacks lcp_callbacks = { /* LCP callback routines */
+  lcp_resetci,  /* Reset our Configuration Information */
+  lcp_cilen,    /* Length of our Configuration Information */
+  lcp_addci,    /* Add our Configuration Information */
+  lcp_ackci,    /* ACK our Configuration Information */
+  lcp_nakci,    /* NAK our Configuration Information */
+  lcp_rejci,    /* Reject our Configuration Information */
+  lcp_reqci,    /* Request peer's Configuration Information */
+  lcp_up,       /* Called when fsm reaches LS_OPENED state */
+  lcp_down,     /* Called when fsm leaves LS_OPENED state */
+  lcp_starting, /* Called when we want the lower layer up */
+  lcp_finished, /* Called when we want the lower layer down */
+  NULL,         /* Called when Protocol-Reject received */
+  NULL,         /* Retransmission is necessary */
+  lcp_extcode,  /* Called to handle LCP-specific codes */
+  "LCP"         /* String name of protocol */
+};
+
+/*
+ * Protocol entry points.
+ * Some of these are called directly.
+ */
+
+static void lcp_input (int, u_char *, int);
+static void lcp_protrej (int);
+
+struct protent lcp_protent = {
+    PPP_LCP,
+    lcp_init,
+    lcp_input,
+    lcp_protrej,
+    lcp_lowerup,
+    lcp_lowerdown,
+    lcp_open,
+    lcp_close,
+#if PPP_ADDITIONAL_CALLBACKS
+    lcp_printpkt,
+    NULL,
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+    1,
+    "LCP",
+#if PPP_ADDITIONAL_CALLBACKS
+    NULL,
+    NULL,
+    NULL
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+};
+
+int lcp_loopbackfail = DEFLOOPBACKFAIL;
+
+/*
+ * Length of each type of configuration option (in octets)
+ */
+#define CILEN_VOID  2
+#define CILEN_CHAR  3
+#define CILEN_SHORT 4 /* CILEN_VOID + sizeof(short) */
+#define CILEN_CHAP  5 /* CILEN_VOID + sizeof(short) + 1 */
+#define CILEN_LONG  6 /* CILEN_VOID + sizeof(long) */
+#define CILEN_LQR   8 /* CILEN_VOID + sizeof(short) + sizeof(long) */
+#define CILEN_CBCP  3
+
+#define CODENAME(x)  ((x) == CONFACK ? "ACK" : (x) == CONFNAK ? "NAK" : "REJ")
+
+#if 0 /* UNUSED */
+/*
+ * setescape - add chars to the set we escape on transmission.
+ */
+static int
+setescape(argv)
+    char **argv;
+{
+    int n, ret;
+    char *p, *endp;
+
+    p = *argv;
+    ret = 1;
+    while (*p) {
+      n = strtol(p, &endp, 16);
+      if (p == endp) {
+        option_error("escape parameter contains invalid hex number '%s'", p);
+        return 0;
+      }
+      p = endp;
+      if (n < 0 || n == 0x5E || n > 0xFF) {
+        option_error("can't escape character 0x%x", n);
+        ret = 0;
+      } else
+        xmit_accm[0][n >> 5] |= 1 << (n & 0x1F);
+      while (*p == ',' || *p == ' ')
+        ++p;
+    }
+    return ret;
+}
+#endif /* UNUSED */
+
+/*
+ * lcp_init - Initialize LCP.
+ */
+void
+lcp_init(int unit)
+{
+  fsm         *f  = &lcp_fsm[unit];
+  lcp_options *wo = &lcp_wantoptions[unit];
+  lcp_options *ao = &lcp_allowoptions[unit];
+
+  f->unit      = unit;
+  f->protocol  = PPP_LCP;
+  f->callbacks = &lcp_callbacks;
+
+  fsm_init(f);
+
+  wo->passive           = 0;
+  wo->silent            = 0;
+  wo->restart           = 0;               /* Set to 1 in kernels or multi-line implementations */
+  wo->neg_mru           = 1;
+  wo->mru               = PPP_DEFMRU;
+  wo->neg_asyncmap      = 1;
+  wo->asyncmap          = 0x00000000l;     /* Assume don't need to escape any ctl chars. */
+  wo->neg_chap          = 0;               /* Set to 1 on server */
+  wo->neg_upap          = 0;               /* Set to 1 on server */
+  wo->chap_mdtype       = CHAP_DIGEST_MD5;
+  wo->neg_magicnumber   = 1;
+  wo->neg_pcompression  = 1;
+  wo->neg_accompression = 1;
+  wo->neg_lqr           = 0;               /* no LQR implementation yet */
+  wo->neg_cbcp          = 0;
+
+  ao->neg_mru           = 1;
+  ao->mru               = PPP_MAXMRU;
+  ao->neg_asyncmap      = 1;
+  ao->asyncmap          = 0x00000000l;     /* Assume don't need to escape any ctl chars. */
+  ao->neg_chap          = (CHAP_SUPPORT != 0);
+  ao->chap_mdtype       = CHAP_DIGEST_MD5;
+  ao->neg_upap          = (PAP_SUPPORT != 0);
+  ao->neg_magicnumber   = 1;
+  ao->neg_pcompression  = 1;
+  ao->neg_accompression = 1;
+  ao->neg_lqr           = 0;               /* no LQR implementation yet */
+  ao->neg_cbcp          = (CBCP_SUPPORT != 0);
+
+  /* 
+   * Set transmit escape for the flag and escape characters plus anything
+   * set for the allowable options.
+   */
+  memset(xmit_accm[unit], 0, sizeof(xmit_accm[0]));
+  xmit_accm[unit][15] = 0x60;
+  xmit_accm[unit][0]  = (u_char)((ao->asyncmap        & 0xFF));
+  xmit_accm[unit][1]  = (u_char)((ao->asyncmap >> 8)  & 0xFF);
+  xmit_accm[unit][2]  = (u_char)((ao->asyncmap >> 16) & 0xFF);
+  xmit_accm[unit][3]  = (u_char)((ao->asyncmap >> 24) & 0xFF);
+  LCPDEBUG(LOG_INFO, ("lcp_init: xmit_accm=%X %X %X %X\n",
+        xmit_accm[unit][0],
+        xmit_accm[unit][1],
+        xmit_accm[unit][2],
+        xmit_accm[unit][3]));
+  
+  lcp_phase[unit] = PHASE_INITIALIZE;
+}
+
+
+/*
+ * lcp_open - LCP is allowed to come up.
+ */
+void
+lcp_open(int unit)
+{
+  fsm         *f  = &lcp_fsm[unit];
+  lcp_options *wo = &lcp_wantoptions[unit];
+
+  f->flags = 0;
+  if (wo->passive) {
+    f->flags |= OPT_PASSIVE;
+  }
+  if (wo->silent) {
+    f->flags |= OPT_SILENT;
+  }
+  fsm_open(f);
+
+  lcp_phase[unit] = PHASE_ESTABLISH;
+}
+
+
+/*
+ * lcp_close - Take LCP down.
+ */
+void
+lcp_close(int unit, char *reason)
+{
+  fsm *f = &lcp_fsm[unit];
+
+  if (lcp_phase[unit] != PHASE_DEAD) {
+    lcp_phase[unit] = PHASE_TERMINATE;
+  }
+  if (f->state == LS_STOPPED && f->flags & (OPT_PASSIVE|OPT_SILENT)) {
+    /*
+     * This action is not strictly according to the FSM in RFC1548,
+     * but it does mean that the program terminates if you do an
+     * lcp_close() in passive/silent mode when a connection hasn't
+     * been established.
+     */
+    f->state = LS_CLOSED;
+    lcp_finished(f);
+  } else {
+    fsm_close(f, reason);
+  }
+}
+
+
+/*
+ * lcp_lowerup - The lower layer is up.
+ */
+void
+lcp_lowerup(int unit)
+{
+  lcp_options *wo = &lcp_wantoptions[unit];
+
+  /*
+   * Don't use A/C or protocol compression on transmission,
+   * but accept A/C and protocol compressed packets
+   * if we are going to ask for A/C and protocol compression.
+   */
+  ppp_set_xaccm(unit, &xmit_accm[unit]);
+  ppp_send_config(unit, PPP_MRU, 0xffffffffl, 0, 0);
+  ppp_recv_config(unit, PPP_MRU, 0x00000000l,
+  wo->neg_pcompression, wo->neg_accompression);
+  peer_mru[unit] = PPP_MRU;
+  lcp_allowoptions[unit].asyncmap = (u_long)xmit_accm[unit][0]
+                                 | ((u_long)xmit_accm[unit][1] << 8)
+                                 | ((u_long)xmit_accm[unit][2] << 16)
+                                 | ((u_long)xmit_accm[unit][3] << 24);
+  LCPDEBUG(LOG_INFO, ("lcp_lowerup: asyncmap=%X %X %X %X\n",
+            xmit_accm[unit][3],
+            xmit_accm[unit][2],
+            xmit_accm[unit][1],
+            xmit_accm[unit][0]));
+
+  fsm_lowerup(&lcp_fsm[unit]);
+}
+
+
+/*
+ * lcp_lowerdown - The lower layer is down.
+ */
+void
+lcp_lowerdown(int unit)
+{
+  fsm_lowerdown(&lcp_fsm[unit]);
+}
+
+
+/*
+ * lcp_input - Input LCP packet.
+ */
+static void
+lcp_input(int unit, u_char *p, int len)
+{
+  fsm *f = &lcp_fsm[unit];
+
+  fsm_input(f, p, len);
+}
+
+
+/*
+ * lcp_extcode - Handle a LCP-specific code.
+ */
+static int
+lcp_extcode(fsm *f, int code, u_char id, u_char *inp, int len)
+{
+  u_char *magp;
+
+  switch( code ){
+    case PROTREJ:
+      lcp_rprotrej(f, inp, len);
+      break;
+  
+    case ECHOREQ:
+      if (f->state != LS_OPENED) {
+        break;
+      }
+      LCPDEBUG(LOG_INFO, ("lcp: Echo-Request, Rcvd id %d\n", id));
+      magp = inp;
+      PUTLONG(lcp_gotoptions[f->unit].magicnumber, magp);
+      fsm_sdata(f, ECHOREP, id, inp, len);
+      break;
+
+    case ECHOREP:
+      lcp_received_echo_reply(f, id, inp, len);
+      break;
+
+    case DISCREQ:
+      break;
+
+    default:
+      return 0;
+  }
+  return 1;
+}
+
+
+/*
+ * lcp_rprotrej - Receive an Protocol-Reject.
+ *
+ * Figure out which protocol is rejected and inform it.
+ */
+static void
+lcp_rprotrej(fsm *f, u_char *inp, int len)
+{
+  int i;
+  struct protent *protp;
+  u_short prot;
+
+  if (len < (int)sizeof (u_short)) {
+    LCPDEBUG(LOG_INFO, ("lcp_rprotrej: Rcvd short Protocol-Reject packet!\n"));
+    return;
+  }
+
+  GETSHORT(prot, inp);
+
+  LCPDEBUG(LOG_INFO, ("lcp_rprotrej: Rcvd Protocol-Reject packet for %x!\n", prot));
+
+  /*
+   * Protocol-Reject packets received in any state other than the LCP
+   * LS_OPENED state SHOULD be silently discarded.
+   */
+  if( f->state != LS_OPENED ) {
+    LCPDEBUG(LOG_INFO, ("Protocol-Reject discarded: LCP in state %d\n", f->state));
+    return;
+  }
+
+  /*
+   * Upcall the proper Protocol-Reject routine.
+   */
+  for (i = 0; (protp = ppp_protocols[i]) != NULL; ++i) {
+    if (protp->protocol == prot && protp->enabled_flag) {
+      (*protp->protrej)(f->unit);
+      return;
+    }
+  }
+
+  LCPDEBUG(LOG_WARNING, ("Protocol-Reject for unsupported protocol 0x%x\n", prot));
+}
+
+
+/*
+ * lcp_protrej - A Protocol-Reject was received.
+ */
+static void
+lcp_protrej(int unit)
+{
+  LWIP_UNUSED_ARG(unit);
+  /*
+   * Can't reject LCP!
+   */
+  LCPDEBUG(LOG_WARNING, ("lcp_protrej: Received Protocol-Reject for LCP!\n"));
+  fsm_protreject(&lcp_fsm[unit]);
+}
+
+
+/*
+ * lcp_sprotrej - Send a Protocol-Reject for some protocol.
+ */
+void
+lcp_sprotrej(int unit, u_char *p, int len)
+{
+  /*
+   * Send back the protocol and the information field of the
+   * rejected packet.  We only get here if LCP is in the LS_OPENED state.
+   */
+
+  fsm_sdata(&lcp_fsm[unit], PROTREJ, ++lcp_fsm[unit].id, p, len);
+}
+
+
+/*
+ * lcp_resetci - Reset our CI.
+ */
+static void
+lcp_resetci(fsm *f)
+{
+  lcp_wantoptions[f->unit].magicnumber = magic();
+  lcp_wantoptions[f->unit].numloops = 0;
+  lcp_gotoptions[f->unit] = lcp_wantoptions[f->unit];
+  peer_mru[f->unit] = PPP_MRU;
+  auth_reset(f->unit);
+}
+
+
+/*
+ * lcp_cilen - Return length of our CI.
+ */
+static int
+lcp_cilen(fsm *f)
+{
+  lcp_options *go = &lcp_gotoptions[f->unit];
+
+#define LENCIVOID(neg)  ((neg) ? CILEN_VOID : 0)
+#define LENCICHAP(neg)  ((neg) ? CILEN_CHAP : 0)
+#define LENCISHORT(neg) ((neg) ? CILEN_SHORT : 0)
+#define LENCILONG(neg)  ((neg) ? CILEN_LONG : 0)
+#define LENCILQR(neg)   ((neg) ? CILEN_LQR: 0)
+#define LENCICBCP(neg)  ((neg) ? CILEN_CBCP: 0)
+  /*
+   * NB: we only ask for one of CHAP and UPAP, even if we will
+   * accept either.
+   */
+  return (LENCISHORT(go->neg_mru && go->mru != PPP_DEFMRU) +
+          LENCILONG(go->neg_asyncmap && go->asyncmap != 0xFFFFFFFFl) +
+          LENCICHAP(go->neg_chap) +
+          LENCISHORT(!go->neg_chap && go->neg_upap) +
+          LENCILQR(go->neg_lqr) +
+          LENCICBCP(go->neg_cbcp) +
+          LENCILONG(go->neg_magicnumber) +
+          LENCIVOID(go->neg_pcompression) +
+          LENCIVOID(go->neg_accompression));
+}
+
+
+/*
+ * lcp_addci - Add our desired CIs to a packet.
+ */
+static void
+lcp_addci(fsm *f, u_char *ucp, int *lenp)
+{
+  lcp_options *go = &lcp_gotoptions[f->unit];
+  u_char *start_ucp = ucp;
+
+#define ADDCIVOID(opt, neg) \
+  if (neg) { \
+    LCPDEBUG(LOG_INFO, ("lcp_addci: opt=%d\n", opt)); \
+    PUTCHAR(opt, ucp); \
+    PUTCHAR(CILEN_VOID, ucp); \
+  }
+#define ADDCISHORT(opt, neg, val) \
+  if (neg) { \
+    LCPDEBUG(LOG_INFO, ("lcp_addci: INT opt=%d %X\n", opt, val)); \
+    PUTCHAR(opt, ucp); \
+    PUTCHAR(CILEN_SHORT, ucp); \
+    PUTSHORT(val, ucp); \
+  }
+#define ADDCICHAP(opt, neg, val, digest) \
+  if (neg) { \
+    LCPDEBUG(LOG_INFO, ("lcp_addci: CHAP opt=%d %X\n", opt, val)); \
+    PUTCHAR(opt, ucp); \
+    PUTCHAR(CILEN_CHAP, ucp); \
+    PUTSHORT(val, ucp); \
+    PUTCHAR(digest, ucp); \
+  }
+#define ADDCILONG(opt, neg, val) \
+  if (neg) { \
+    LCPDEBUG(LOG_INFO, ("lcp_addci: L opt=%d %lX\n", opt, val)); \
+    PUTCHAR(opt, ucp); \
+    PUTCHAR(CILEN_LONG, ucp); \
+    PUTLONG(val, ucp); \
+  }
+#define ADDCILQR(opt, neg, val) \
+  if (neg) { \
+    LCPDEBUG(LOG_INFO, ("lcp_addci: LQR opt=%d %lX\n", opt, val)); \
+    PUTCHAR(opt, ucp); \
+    PUTCHAR(CILEN_LQR, ucp); \
+    PUTSHORT(PPP_LQR, ucp); \
+    PUTLONG(val, ucp); \
+  }
+#define ADDCICHAR(opt, neg, val) \
+  if (neg) { \
+    LCPDEBUG(LOG_INFO, ("lcp_addci: CHAR opt=%d %X '%z'\n", opt, val, val)); \
+    PUTCHAR(opt, ucp); \
+    PUTCHAR(CILEN_CHAR, ucp); \
+    PUTCHAR(val, ucp); \
+  }
+
+  ADDCISHORT(CI_MRU, go->neg_mru && go->mru != PPP_DEFMRU, go->mru);
+  ADDCILONG(CI_ASYNCMAP, go->neg_asyncmap && go->asyncmap != 0xFFFFFFFFl, go->asyncmap);
+  ADDCICHAP(CI_AUTHTYPE, go->neg_chap, PPP_CHAP, go->chap_mdtype);
+  ADDCISHORT(CI_AUTHTYPE, !go->neg_chap && go->neg_upap, PPP_PAP);
+  ADDCILQR(CI_QUALITY, go->neg_lqr, go->lqr_period);
+  ADDCICHAR(CI_CALLBACK, go->neg_cbcp, CBCP_OPT);
+  ADDCILONG(CI_MAGICNUMBER, go->neg_magicnumber, go->magicnumber);
+  ADDCIVOID(CI_PCOMPRESSION, go->neg_pcompression);
+  ADDCIVOID(CI_ACCOMPRESSION, go->neg_accompression);
+
+  if (ucp - start_ucp != *lenp) {
+    /* this should never happen, because peer_mtu should be 1500 */
+    LCPDEBUG(LOG_ERR, ("Bug in lcp_addci: wrong length\n"));
+  }
+}
+
+
+/*
+ * lcp_ackci - Ack our CIs.
+ * This should not modify any state if the Ack is bad.
+ *
+ * Returns:
+ *  0 - Ack was bad.
+ *  1 - Ack was good.
+ */
+static int
+lcp_ackci(fsm *f, u_char *p, int len)
+{
+  lcp_options *go = &lcp_gotoptions[f->unit];
+  u_char cilen, citype, cichar;
+  u_short cishort;
+  u32_t cilong;
+
+  /*
+   * CIs must be in exactly the same order that we sent.
+   * Check packet length and CI length at each step.
+   * If we find any deviations, then this packet is bad.
+   */
+#define ACKCIVOID(opt, neg) \
+  if (neg) { \
+    if ((len -= CILEN_VOID) < 0) \
+      goto bad; \
+    GETCHAR(citype, p); \
+    GETCHAR(cilen, p); \
+    if (cilen != CILEN_VOID || citype != opt) \
+      goto bad; \
+  }
+#define ACKCISHORT(opt, neg, val) \
+  if (neg) { \
+    if ((len -= CILEN_SHORT) < 0) \
+      goto bad; \
+    GETCHAR(citype, p); \
+    GETCHAR(cilen, p); \
+    if (cilen != CILEN_SHORT || citype != opt) \
+      goto bad; \
+    GETSHORT(cishort, p); \
+    if (cishort != val) \
+      goto bad; \
+  }
+#define ACKCICHAR(opt, neg, val) \
+  if (neg) { \
+    if ((len -= CILEN_CHAR) < 0) \
+      goto bad; \
+    GETCHAR(citype, p); \
+    GETCHAR(cilen, p); \
+    if (cilen != CILEN_CHAR || citype != opt) \
+      goto bad; \
+    GETCHAR(cichar, p); \
+    if (cichar != val) \
+      goto bad; \
+  }
+#define ACKCICHAP(opt, neg, val, digest) \
+  if (neg) { \
+    if ((len -= CILEN_CHAP) < 0) \
+      goto bad; \
+    GETCHAR(citype, p); \
+    GETCHAR(cilen, p); \
+    if (cilen != CILEN_CHAP || citype != opt) \
+      goto bad; \
+    GETSHORT(cishort, p); \
+    if (cishort != val) \
+      goto bad; \
+    GETCHAR(cichar, p); \
+    if (cichar != digest) \
+      goto bad; \
+  }
+#define ACKCILONG(opt, neg, val) \
+  if (neg) { \
+    if ((len -= CILEN_LONG) < 0) \
+      goto bad; \
+    GETCHAR(citype, p); \
+    GETCHAR(cilen, p); \
+    if (cilen != CILEN_LONG ||  citype != opt) \
+      goto bad; \
+    GETLONG(cilong, p); \
+    if (cilong != val) \
+      goto bad; \
+  }
+#define ACKCILQR(opt, neg, val) \
+  if (neg) { \
+    if ((len -= CILEN_LQR) < 0) \
+      goto bad; \
+    GETCHAR(citype, p); \
+    GETCHAR(cilen, p); \
+    if (cilen != CILEN_LQR || citype != opt) \
+      goto bad; \
+    GETSHORT(cishort, p); \
+    if (cishort != PPP_LQR) \
+      goto bad; \
+    GETLONG(cilong, p); \
+    if (cilong != val) \
+      goto bad; \
+  }
+
+  ACKCISHORT(CI_MRU, go->neg_mru && go->mru != PPP_DEFMRU, go->mru);
+  ACKCILONG(CI_ASYNCMAP, go->neg_asyncmap && go->asyncmap != 0xFFFFFFFFl, go->asyncmap);
+  ACKCICHAP(CI_AUTHTYPE, go->neg_chap, PPP_CHAP, go->chap_mdtype);
+  ACKCISHORT(CI_AUTHTYPE, !go->neg_chap && go->neg_upap, PPP_PAP);
+  ACKCILQR(CI_QUALITY, go->neg_lqr, go->lqr_period);
+  ACKCICHAR(CI_CALLBACK, go->neg_cbcp, CBCP_OPT);
+  ACKCILONG(CI_MAGICNUMBER, go->neg_magicnumber, go->magicnumber);
+  ACKCIVOID(CI_PCOMPRESSION, go->neg_pcompression);
+  ACKCIVOID(CI_ACCOMPRESSION, go->neg_accompression);
+
+  /*
+   * If there are any remaining CIs, then this packet is bad.
+   */
+  if (len != 0) {
+    goto bad;
+  }
+  LCPDEBUG(LOG_INFO, ("lcp_acki: Ack\n"));
+  return (1);
+bad:
+  LCPDEBUG(LOG_WARNING, ("lcp_acki: received bad Ack!\n"));
+  return (0);
+}
+
+
+/*
+ * lcp_nakci - Peer has sent a NAK for some of our CIs.
+ * This should not modify any state if the Nak is bad
+ * or if LCP is in the LS_OPENED state.
+ *
+ * Returns:
+ *  0 - Nak was bad.
+ *  1 - Nak was good.
+ */
+static int
+lcp_nakci(fsm *f, u_char *p, int len)
+{
+  lcp_options *go = &lcp_gotoptions[f->unit];
+  lcp_options *wo = &lcp_wantoptions[f->unit];
+  u_char citype, cichar, *next;
+  u_short cishort;
+  u32_t cilong;
+  lcp_options no;     /* options we've seen Naks for */
+  lcp_options try;    /* options to request next time */
+  int looped_back = 0;
+  int cilen;
+
+  BZERO(&no, sizeof(no));
+  try = *go;
+
+  /*
+   * Any Nak'd CIs must be in exactly the same order that we sent.
+   * Check packet length and CI length at each step.
+   * If we find any deviations, then this packet is bad.
+   */
+#define NAKCIVOID(opt, neg, code) \
+  if (go->neg && \
+      len >= CILEN_VOID && \
+      p[1] == CILEN_VOID && \
+      p[0] == opt) { \
+    len -= CILEN_VOID; \
+    INCPTR(CILEN_VOID, p); \
+    no.neg = 1; \
+    code \
+  }
+#define NAKCICHAP(opt, neg, code) \
+  if (go->neg && \
+      len >= CILEN_CHAP && \
+      p[1] == CILEN_CHAP && \
+      p[0] == opt) { \
+    len -= CILEN_CHAP; \
+    INCPTR(2, p); \
+    GETSHORT(cishort, p); \
+    GETCHAR(cichar, p); \
+    no.neg = 1; \
+    code \
+  }
+#define NAKCICHAR(opt, neg, code) \
+  if (go->neg && \
+      len >= CILEN_CHAR && \
+      p[1] == CILEN_CHAR && \
+      p[0] == opt) { \
+    len -= CILEN_CHAR; \
+    INCPTR(2, p); \
+    GETCHAR(cichar, p); \
+    no.neg = 1; \
+    code \
+  }
+#define NAKCISHORT(opt, neg, code) \
+  if (go->neg && \
+      len >= CILEN_SHORT && \
+      p[1] == CILEN_SHORT && \
+      p[0] == opt) { \
+    len -= CILEN_SHORT; \
+    INCPTR(2, p); \
+    GETSHORT(cishort, p); \
+    no.neg = 1; \
+    code \
+  }
+#define NAKCILONG(opt, neg, code) \
+  if (go->neg && \
+      len >= CILEN_LONG && \
+      p[1] == CILEN_LONG && \
+      p[0] == opt) { \
+    len -= CILEN_LONG; \
+    INCPTR(2, p); \
+    GETLONG(cilong, p); \
+    no.neg = 1; \
+    code \
+  }
+#define NAKCILQR(opt, neg, code) \
+  if (go->neg && \
+      len >= CILEN_LQR && \
+      p[1] == CILEN_LQR && \
+      p[0] == opt) { \
+    len -= CILEN_LQR; \
+    INCPTR(2, p); \
+    GETSHORT(cishort, p); \
+    GETLONG(cilong, p); \
+    no.neg = 1; \
+    code \
+  }
+
+  /*
+   * We don't care if they want to send us smaller packets than
+   * we want.  Therefore, accept any MRU less than what we asked for,
+   * but then ignore the new value when setting the MRU in the kernel.
+   * If they send us a bigger MRU than what we asked, accept it, up to
+   * the limit of the default MRU we'd get if we didn't negotiate.
+   */
+  if (go->neg_mru && go->mru != PPP_DEFMRU) {
+    NAKCISHORT(CI_MRU, neg_mru,
+      if (cishort <= wo->mru || cishort < PPP_DEFMRU) {
+        try.mru = cishort;
+      }
+    );
+  }
+
+  /*
+   * Add any characters they want to our (receive-side) asyncmap.
+   */
+  if (go->neg_asyncmap && go->asyncmap != 0xFFFFFFFFl) {
+    NAKCILONG(CI_ASYNCMAP, neg_asyncmap,
+      try.asyncmap = go->asyncmap | cilong;
+    );
+  }
+
+  /*
+   * If they've nak'd our authentication-protocol, check whether
+   * they are proposing a different protocol, or a different
+   * hash algorithm for CHAP.
+   */
+  if ((go->neg_chap || go->neg_upap)
+      && len >= CILEN_SHORT
+      && p[0] == CI_AUTHTYPE && p[1] >= CILEN_SHORT && p[1] <= len) {
+    cilen = p[1];
+    len -= cilen;
+    no.neg_chap = go->neg_chap;
+    no.neg_upap = go->neg_upap;
+    INCPTR(2, p);
+    GETSHORT(cishort, p);
+    if (cishort == PPP_PAP && cilen == CILEN_SHORT) {
+      /*
+       * If we were asking for CHAP, they obviously don't want to do it.
+       * If we weren't asking for CHAP, then we were asking for PAP,
+       * in which case this Nak is bad.
+       */
+      if (!go->neg_chap) {
+        goto bad;
+      }
+      try.neg_chap = 0;
+    
+    } else if (cishort == PPP_CHAP && cilen == CILEN_CHAP) {
+      GETCHAR(cichar, p);
+      if (go->neg_chap) {
+        /*
+         * We were asking for CHAP/MD5; they must want a different
+         * algorithm.  If they can't do MD5, we'll have to stop
+         * asking for CHAP.
+         */
+        if (cichar != go->chap_mdtype) {
+          try.neg_chap = 0;
+        }
+      } else {
+        /*
+         * Stop asking for PAP if we were asking for it.
+         */
+        try.neg_upap = 0;
+      }
+    
+    } else {
+      /*
+       * We don't recognize what they're suggesting.
+       * Stop asking for what we were asking for.
+       */
+      if (go->neg_chap) {
+        try.neg_chap = 0;
+      } else {
+        try.neg_upap = 0;
+      }
+      p += cilen - CILEN_SHORT;
+    }
+  }
+
+  /*
+   * If they can't cope with our link quality protocol, we'll have
+   * to stop asking for LQR.  We haven't got any other protocol.
+   * If they Nak the reporting period, take their value XXX ?
+   */
+  NAKCILQR(CI_QUALITY, neg_lqr,
+    if (cishort != PPP_LQR) {
+      try.neg_lqr = 0;
+    } else {
+      try.lqr_period = cilong;
+    }
+  );
+
+  /*
+   * Only implementing CBCP...not the rest of the callback options
+   */
+  NAKCICHAR(CI_CALLBACK, neg_cbcp,
+    try.neg_cbcp = 0;
+  );
+
+  /*
+   * Check for a looped-back line.
+   */
+  NAKCILONG(CI_MAGICNUMBER, neg_magicnumber,
+    try.magicnumber = magic();
+    looped_back = 1;
+  );
+
+  /*
+   * Peer shouldn't send Nak for protocol compression or
+   * address/control compression requests; they should send
+   * a Reject instead.  If they send a Nak, treat it as a Reject.
+   */
+  NAKCIVOID(CI_PCOMPRESSION, neg_pcompression,
+    try.neg_pcompression = 0;
+  );
+  NAKCIVOID(CI_ACCOMPRESSION, neg_accompression,
+    try.neg_accompression = 0;
+  );
+
+  /*
+   * There may be remaining CIs, if the peer is requesting negotiation
+   * on an option that we didn't include in our request packet.
+   * If we see an option that we requested, or one we've already seen
+   * in this packet, then this packet is bad.
+   * If we wanted to respond by starting to negotiate on the requested
+   * option(s), we could, but we don't, because except for the
+   * authentication type and quality protocol, if we are not negotiating
+   * an option, it is because we were told not to.
+   * For the authentication type, the Nak from the peer means
+   * `let me authenticate myself with you' which is a bit pointless.
+   * For the quality protocol, the Nak means `ask me to send you quality
+   * reports', but if we didn't ask for them, we don't want them.
+   * An option we don't recognize represents the peer asking to
+   * negotiate some option we don't support, so ignore it.
+   */
+  while (len > CILEN_VOID) {
+    GETCHAR(citype, p);
+    GETCHAR(cilen, p);
+    if (cilen < CILEN_VOID || (len -= cilen) < 0) {
+      goto bad;
+    }
+    next = p + cilen - 2;
+
+    switch (citype) {
+      case CI_MRU:
+        if ((go->neg_mru && go->mru != PPP_DEFMRU)
+            || no.neg_mru || cilen != CILEN_SHORT) {
+          goto bad;
+        }
+        GETSHORT(cishort, p);
+        if (cishort < PPP_DEFMRU) {
+          try.mru = cishort;
+        }
+        break;
+      case CI_ASYNCMAP:
+        if ((go->neg_asyncmap && go->asyncmap != 0xFFFFFFFFl)
+            || no.neg_asyncmap || cilen != CILEN_LONG) {
+          goto bad;
+        }
+        break;
+      case CI_AUTHTYPE:
+        if (go->neg_chap || no.neg_chap || go->neg_upap || no.neg_upap) {
+          goto bad;
+        }
+        break;
+      case CI_MAGICNUMBER:
+        if (go->neg_magicnumber || no.neg_magicnumber ||
+            cilen != CILEN_LONG) {
+          goto bad;
+        }
+        break;
+      case CI_PCOMPRESSION:
+        if (go->neg_pcompression || no.neg_pcompression
+            || cilen != CILEN_VOID) {
+          goto bad;
+        }
+        break;
+      case CI_ACCOMPRESSION:
+        if (go->neg_accompression || no.neg_accompression
+            || cilen != CILEN_VOID) {
+          goto bad;
+        }
+        break;
+      case CI_QUALITY:
+        if (go->neg_lqr || no.neg_lqr || cilen != CILEN_LQR) {
+          goto bad;
+        }
+        break;
+    }
+    p = next;
+  }
+
+  /* If there is still anything left, this packet is bad. */
+  if (len != 0) {
+    goto bad;
+  }
+
+  /*
+  * OK, the Nak is good.  Now we can update state.
+  */
+  if (f->state != LS_OPENED) {
+    if (looped_back) {
+      if (++try.numloops >= lcp_loopbackfail) {
+        LCPDEBUG(LOG_NOTICE, ("Serial line is looped back.\n"));
+        lcp_close(f->unit, "Loopback detected");
+      }
+    } else {
+      try.numloops = 0;
+    }
+    *go = try;
+  }
+
+  return 1;
+
+bad:
+  LCPDEBUG(LOG_WARNING, ("lcp_nakci: received bad Nak!\n"));
+  return 0;
+}
+
+
+/*
+ * lcp_rejci - Peer has Rejected some of our CIs.
+ * This should not modify any state if the Reject is bad
+ * or if LCP is in the LS_OPENED state.
+ *
+ * Returns:
+ *  0 - Reject was bad.
+ *  1 - Reject was good.
+ */
+static int
+lcp_rejci(fsm *f, u_char *p, int len)
+{
+  lcp_options *go = &lcp_gotoptions[f->unit];
+  u_char cichar;
+  u_short cishort;
+  u32_t cilong;
+  lcp_options try; /* options to request next time */
+
+  try = *go;
+
+  /*
+   * Any Rejected CIs must be in exactly the same order that we sent.
+   * Check packet length and CI length at each step.
+   * If we find any deviations, then this packet is bad.
+   */
+#define REJCIVOID(opt, neg) \
+  if (go->neg && \
+      len >= CILEN_VOID && \
+      p[1] == CILEN_VOID && \
+      p[0] == opt) { \
+    len -= CILEN_VOID; \
+    INCPTR(CILEN_VOID, p); \
+    try.neg = 0; \
+    LCPDEBUG(LOG_INFO, ("lcp_rejci: void opt %d rejected\n", opt)); \
+  }
+#define REJCISHORT(opt, neg, val) \
+  if (go->neg && \
+      len >= CILEN_SHORT && \
+      p[1] == CILEN_SHORT && \
+      p[0] == opt) { \
+    len -= CILEN_SHORT; \
+    INCPTR(2, p); \
+    GETSHORT(cishort, p); \
+    /* Check rejected value. */ \
+    if (cishort != val) { \
+      goto bad; \
+    } \
+    try.neg = 0; \
+    LCPDEBUG(LOG_INFO, ("lcp_rejci: short opt %d rejected\n", opt)); \
+  }
+#define REJCICHAP(opt, neg, val, digest) \
+  if (go->neg && \
+      len >= CILEN_CHAP && \
+      p[1] == CILEN_CHAP && \
+      p[0] == opt) { \
+    len -= CILEN_CHAP; \
+    INCPTR(2, p); \
+    GETSHORT(cishort, p); \
+    GETCHAR(cichar, p); \
+    /* Check rejected value. */ \
+    if (cishort != val || cichar != digest) { \
+      goto bad; \
+    } \
+    try.neg = 0; \
+    try.neg_upap = 0; \
+    LCPDEBUG(LOG_INFO, ("lcp_rejci: chap opt %d rejected\n", opt)); \
+  }
+#define REJCILONG(opt, neg, val) \
+  if (go->neg && \
+      len >= CILEN_LONG && \
+      p[1] == CILEN_LONG && \
+      p[0] == opt) { \
+    len -= CILEN_LONG; \
+    INCPTR(2, p); \
+    GETLONG(cilong, p); \
+    /* Check rejected value. */ \
+    if (cilong != val) { \
+      goto bad; \
+    } \
+    try.neg = 0; \
+    LCPDEBUG(LOG_INFO, ("lcp_rejci: long opt %d rejected\n", opt)); \
+  }
+#define REJCILQR(opt, neg, val) \
+  if (go->neg && \
+      len >= CILEN_LQR && \
+      p[1] == CILEN_LQR && \
+      p[0] == opt) { \
+    len -= CILEN_LQR; \
+    INCPTR(2, p); \
+    GETSHORT(cishort, p); \
+    GETLONG(cilong, p); \
+    /* Check rejected value. */ \
+    if (cishort != PPP_LQR || cilong != val) { \
+      goto bad; \
+    } \
+    try.neg = 0; \
+    LCPDEBUG(LOG_INFO, ("lcp_rejci: LQR opt %d rejected\n", opt)); \
+  }
+#define REJCICBCP(opt, neg, val) \
+  if (go->neg && \
+      len >= CILEN_CBCP && \
+      p[1] == CILEN_CBCP && \
+      p[0] == opt) { \
+    len -= CILEN_CBCP; \
+    INCPTR(2, p); \
+    GETCHAR(cichar, p); \
+    /* Check rejected value. */ \
+    if (cichar != val) { \
+      goto bad; \
+    } \
+    try.neg = 0; \
+    LCPDEBUG(LOG_INFO, ("lcp_rejci: Callback opt %d rejected\n", opt)); \
+  }
+  
+  REJCISHORT(CI_MRU, neg_mru, go->mru);
+  REJCILONG(CI_ASYNCMAP, neg_asyncmap, go->asyncmap);
+  REJCICHAP(CI_AUTHTYPE, neg_chap, PPP_CHAP, go->chap_mdtype);
+  if (!go->neg_chap) {
+    REJCISHORT(CI_AUTHTYPE, neg_upap, PPP_PAP);
+  }
+  REJCILQR(CI_QUALITY, neg_lqr, go->lqr_period);
+  REJCICBCP(CI_CALLBACK, neg_cbcp, CBCP_OPT);
+  REJCILONG(CI_MAGICNUMBER, neg_magicnumber, go->magicnumber);
+  REJCIVOID(CI_PCOMPRESSION, neg_pcompression);
+  REJCIVOID(CI_ACCOMPRESSION, neg_accompression);
+  
+  /*
+   * If there are any remaining CIs, then this packet is bad.
+   */
+  if (len != 0) {
+    goto bad;
+  }
+  /*
+   * Now we can update state.
+   */
+  if (f->state != LS_OPENED) {
+    *go = try;
+  }
+  return 1;
+  
+bad:
+  LCPDEBUG(LOG_WARNING, ("lcp_rejci: received bad Reject!\n"));
+  return 0;
+}
+
+
+/*
+ * lcp_reqci - Check the peer's requested CIs and send appropriate response.
+ *
+ * Returns: CONFACK, CONFNAK or CONFREJ and input packet modified
+ * appropriately.  If reject_if_disagree is non-zero, doesn't return
+ * CONFNAK; returns CONFREJ if it can't return CONFACK.
+ */
+static int
+lcp_reqci(fsm *f, 
+          u_char *inp,    /* Requested CIs */
+          int *lenp,      /* Length of requested CIs */
+          int reject_if_disagree)
+{
+  lcp_options *go = &lcp_gotoptions[f->unit];
+  lcp_options *ho = &lcp_hisoptions[f->unit];
+  lcp_options *ao = &lcp_allowoptions[f->unit];
+  u_char *cip, *next;         /* Pointer to current and next CIs */
+  int cilen, citype;          /* Parsed len, type */
+  u_char cichar;              /* Parsed char value */
+  u_short cishort;            /* Parsed short value */
+  u32_t cilong;               /* Parse long value */
+  int rc = CONFACK;           /* Final packet return code */
+  int orc;                    /* Individual option return code */
+  u_char *p;                  /* Pointer to next char to parse */
+  u_char *rejp;               /* Pointer to next char in reject frame */
+  u_char *nakp;               /* Pointer to next char in Nak frame */
+  int l = *lenp;              /* Length left */
+#if TRACELCP > 0
+  char traceBuf[80];
+  size_t traceNdx = 0;
+#endif
+
+  /*
+   * Reset all his options.
+   */
+  BZERO(ho, sizeof(*ho));
+
+  /*
+   * Process all his options.
+   */
+  next = inp;
+  nakp = nak_buffer;
+  rejp = inp;
+  while (l) {
+    orc = CONFACK;      /* Assume success */
+    cip = p = next;     /* Remember begining of CI */
+    if (l < 2 ||        /* Not enough data for CI header or */
+        p[1] < 2 ||     /*  CI length too small or */
+        p[1] > l) {     /*  CI length too big? */
+      LCPDEBUG(LOG_WARNING, ("lcp_reqci: bad CI length!\n"));
+      orc = CONFREJ;    /* Reject bad CI */
+      cilen = l;        /* Reject till end of packet */
+      l = 0;            /* Don't loop again */
+      citype = 0;
+      goto endswitch;
+    }
+    GETCHAR(citype, p); /* Parse CI type */
+    GETCHAR(cilen, p);  /* Parse CI length */
+    l -= cilen;         /* Adjust remaining length */
+    next += cilen;      /* Step to next CI */
+
+    switch (citype) {   /* Check CI type */
+      case CI_MRU:
+        if (!ao->neg_mru) {    /* Allow option? */
+          LCPDEBUG(LOG_INFO, ("lcp_reqci: Reject MRU - not allowed\n"));
+          orc = CONFREJ;    /* Reject CI */
+          break;
+        } else if (cilen != CILEN_SHORT) {  /* Check CI length */
+          LCPDEBUG(LOG_INFO, ("lcp_reqci: Reject MRU - bad length\n"));
+          orc = CONFREJ;    /* Reject CI */
+          break;
+        }
+        GETSHORT(cishort, p);  /* Parse MRU */
+
+        /*
+         * He must be able to receive at least our minimum.
+         * No need to check a maximum.  If he sends a large number,
+         * we'll just ignore it.
+         */
+        if (cishort < PPP_MINMRU) {
+          LCPDEBUG(LOG_INFO, ("lcp_reqci: Nak - MRU too small\n"));
+          orc = CONFNAK;    /* Nak CI */
+          PUTCHAR(CI_MRU, nakp);
+          PUTCHAR(CILEN_SHORT, nakp);
+          PUTSHORT(PPP_MINMRU, nakp);  /* Give him a hint */
+          break;
+        }
+        ho->neg_mru = 1;    /* Remember he sent MRU */
+        ho->mru = cishort;    /* And remember value */
+#if TRACELCP > 0
+        snprintf(&traceBuf[traceNdx], sizeof(traceBuf), " MRU %d", cishort);
+        traceNdx = strlen(traceBuf);
+#endif
+        break;
+
+      case CI_ASYNCMAP:
+        if (!ao->neg_asyncmap) {
+          LCPDEBUG(LOG_INFO, ("lcp_reqci: Reject ASYNCMAP not allowed\n"));
+          orc = CONFREJ;
+          break;
+        } else if (cilen != CILEN_LONG) {
+          LCPDEBUG(LOG_INFO, ("lcp_reqci: Reject ASYNCMAP bad length\n"));
+          orc = CONFREJ;
+          break;
+        }
+        GETLONG(cilong, p);
+        
+        /*
+         * Asyncmap must have set at least the bits
+         * which are set in lcp_allowoptions[unit].asyncmap.
+         */
+        if ((ao->asyncmap & ~cilong) != 0) {
+          LCPDEBUG(LOG_INFO, ("lcp_reqci: Nak ASYNCMAP %lX missing %lX\n", 
+                    cilong, ao->asyncmap));
+          orc = CONFNAK;
+          PUTCHAR(CI_ASYNCMAP, nakp);
+          PUTCHAR(CILEN_LONG, nakp);
+          PUTLONG(ao->asyncmap | cilong, nakp);
+          break;
+        }
+        ho->neg_asyncmap = 1;
+        ho->asyncmap = cilong;
+#if TRACELCP > 0
+        snprintf(&traceBuf[traceNdx], sizeof(traceBuf), " ASYNCMAP=%lX", cilong);
+        traceNdx = strlen(traceBuf);
+#endif
+        break;
+
+      case CI_AUTHTYPE:
+        if (cilen < CILEN_SHORT) {
+          LCPDEBUG(LOG_INFO, ("lcp_reqci: Reject AUTHTYPE missing arg\n"));
+          orc = CONFREJ;
+          break;
+        } else if (!(ao->neg_upap || ao->neg_chap)) {
+          /*
+           * Reject the option if we're not willing to authenticate.
+           */
+          LCPDEBUG(LOG_INFO, ("lcp_reqci: Reject AUTHTYPE not allowed\n"));
+          orc = CONFREJ;
+          break;
+        }
+        GETSHORT(cishort, p);
+        
+        /*
+         * Authtype must be UPAP or CHAP.
+         *
+         * Note: if both ao->neg_upap and ao->neg_chap are set,
+         * and the peer sends a Configure-Request with two
+         * authenticate-protocol requests, one for CHAP and one
+         * for UPAP, then we will reject the second request.
+         * Whether we end up doing CHAP or UPAP depends then on
+         * the ordering of the CIs in the peer's Configure-Request.
+         */
+        
+        if (cishort == PPP_PAP) {
+          if (ho->neg_chap) {  /* we've already accepted CHAP */
+            LCPDEBUG(LOG_WARNING, ("lcp_reqci: Reject AUTHTYPE PAP already accepted\n"));
+            orc = CONFREJ;
+            break;
+          } else if (cilen != CILEN_SHORT) {
+            LCPDEBUG(LOG_WARNING, ("lcp_reqci: Reject AUTHTYPE PAP bad len\n"));
+            orc = CONFREJ;
+            break;
+          }
+          if (!ao->neg_upap) {  /* we don't want to do PAP */
+            LCPDEBUG(LOG_WARNING, ("lcp_reqci: Nak AUTHTYPE PAP not allowed\n"));
+            orc = CONFNAK;  /* NAK it and suggest CHAP */
+            PUTCHAR(CI_AUTHTYPE, nakp);
+            PUTCHAR(CILEN_CHAP, nakp);
+            PUTSHORT(PPP_CHAP, nakp);
+            PUTCHAR(ao->chap_mdtype, nakp);
+            break;
+          }
+          ho->neg_upap = 1;
+#if TRACELCP > 0
+          snprintf(&traceBuf[traceNdx], sizeof(traceBuf), " PAP (%X)", cishort);
+          traceNdx = strlen(traceBuf);
+#endif
+          break;
+        }
+        if (cishort == PPP_CHAP) {
+          if (ho->neg_upap) {  /* we've already accepted PAP */
+            LCPDEBUG(LOG_WARNING, ("lcp_reqci: Reject AUTHTYPE CHAP accepted PAP\n"));
+            orc = CONFREJ;
+            break;
+          } else if (cilen != CILEN_CHAP) {
+            LCPDEBUG(LOG_WARNING, ("lcp_reqci: Reject AUTHTYPE CHAP bad len\n"));
+            orc = CONFREJ;
+            break;
+          }
+          if (!ao->neg_chap) {  /* we don't want to do CHAP */
+            LCPDEBUG(LOG_WARNING, ("lcp_reqci: Nak AUTHTYPE CHAP not allowed\n"));
+            orc = CONFNAK;  /* NAK it and suggest PAP */
+            PUTCHAR(CI_AUTHTYPE, nakp);
+            PUTCHAR(CILEN_SHORT, nakp);
+            PUTSHORT(PPP_PAP, nakp);
+            break;
+          }
+          GETCHAR(cichar, p);  /* get digest type*/
+          if (cichar != CHAP_DIGEST_MD5
+#if MSCHAP_SUPPORT
+              && cichar != CHAP_MICROSOFT
+#endif
+          ) {
+            LCPDEBUG(LOG_WARNING, ("lcp_reqci: Nak AUTHTYPE CHAP digest=%d\n", (int)cichar));
+            orc = CONFNAK;
+            PUTCHAR(CI_AUTHTYPE, nakp);
+            PUTCHAR(CILEN_CHAP, nakp);
+            PUTSHORT(PPP_CHAP, nakp);
+            PUTCHAR(ao->chap_mdtype, nakp);
+            break;
+          }
+#if TRACELCP > 0
+          snprintf(&traceBuf[traceNdx], sizeof(traceBuf), " CHAP %X,%d", cishort, (int)cichar);
+          traceNdx = strlen(traceBuf);
+#endif
+          ho->chap_mdtype = cichar; /* save md type */
+          ho->neg_chap = 1;
+          break;
+        }
+        
+        /*
+         * We don't recognize the protocol they're asking for.
+         * Nak it with something we're willing to do.
+         * (At this point we know ao->neg_upap || ao->neg_chap.)
+         */
+        orc = CONFNAK;
+        PUTCHAR(CI_AUTHTYPE, nakp);
+        if (ao->neg_chap) {
+          LCPDEBUG(LOG_WARNING, ("lcp_reqci: Nak AUTHTYPE %d req CHAP\n", cishort));
+          PUTCHAR(CILEN_CHAP, nakp);
+          PUTSHORT(PPP_CHAP, nakp);
+          PUTCHAR(ao->chap_mdtype, nakp);
+        } else {
+          LCPDEBUG(LOG_WARNING, ("lcp_reqci: Nak AUTHTYPE %d req PAP\n", cishort));
+          PUTCHAR(CILEN_SHORT, nakp);
+          PUTSHORT(PPP_PAP, nakp);
+        }
+        break;
+      
+      case CI_QUALITY:
+        GETSHORT(cishort, p);
+        GETLONG(cilong, p);
+#if TRACELCP > 0
+        snprintf(&traceBuf[traceNdx], sizeof(traceBuf), " QUALITY (%x %x)", cishort, (unsigned int) cilong);
+        traceNdx = strlen(traceBuf);
+#endif
+
+        if (!ao->neg_lqr ||
+            cilen != CILEN_LQR) {
+          orc = CONFREJ;
+          break;
+        }
+        
+        /*
+         * Check the protocol and the reporting period.
+         * XXX When should we Nak this, and what with?
+         */
+        if (cishort != PPP_LQR) {
+          orc = CONFNAK;
+          PUTCHAR(CI_QUALITY, nakp);
+          PUTCHAR(CILEN_LQR, nakp);
+          PUTSHORT(PPP_LQR, nakp);
+          PUTLONG(ao->lqr_period, nakp);
+          break;
+        }
+        break;
+      
+      case CI_MAGICNUMBER:
+        if (!(ao->neg_magicnumber || go->neg_magicnumber) ||
+            cilen != CILEN_LONG) {
+          orc = CONFREJ;
+          break;
+        }
+        GETLONG(cilong, p);
+#if TRACELCP > 0
+        snprintf(&traceBuf[traceNdx], sizeof(traceBuf), " MAGICNUMBER (%lX)", cilong);
+        traceNdx = strlen(traceBuf);
+#endif
+
+        /*
+         * He must have a different magic number.
+         */
+        if (go->neg_magicnumber &&
+            cilong == go->magicnumber) {
+          cilong = magic();  /* Don't put magic() inside macro! */
+          orc = CONFNAK;
+          PUTCHAR(CI_MAGICNUMBER, nakp);
+          PUTCHAR(CILEN_LONG, nakp);
+          PUTLONG(cilong, nakp);
+          break;
+        }
+        ho->neg_magicnumber = 1;
+        ho->magicnumber = cilong;
+        break;
+      
+      
+      case CI_PCOMPRESSION:
+#if TRACELCP > 0
+        snprintf(&traceBuf[traceNdx], sizeof(traceBuf), " PCOMPRESSION");
+        traceNdx = strlen(traceBuf);
+#endif
+        if (!ao->neg_pcompression ||
+            cilen != CILEN_VOID) {
+          orc = CONFREJ;
+          break;
+        }
+        ho->neg_pcompression = 1;
+        break;
+      
+      case CI_ACCOMPRESSION:
+#if TRACELCP > 0
+        snprintf(&traceBuf[traceNdx], sizeof(traceBuf), " ACCOMPRESSION");
+        traceNdx = strlen(traceBuf);
+#endif
+        if (!ao->neg_accompression ||
+            cilen != CILEN_VOID) {
+          orc = CONFREJ;
+          break;
+        }
+        ho->neg_accompression = 1;
+        break;
+      
+      case CI_MRRU:
+#if TRACELCP > 0
+        snprintf(&traceBuf[traceNdx], sizeof(traceBuf), " CI_MRRU");
+        traceNdx = strlen(traceBuf);
+#endif
+        orc = CONFREJ;
+        break;
+      
+      case CI_SSNHF:
+#if TRACELCP > 0
+        snprintf(&traceBuf[traceNdx], sizeof(traceBuf), " CI_SSNHF");
+        traceNdx = strlen(traceBuf);
+#endif
+        orc = CONFREJ;
+        break;
+      
+      case CI_EPDISC:
+#if TRACELCP > 0
+        snprintf(&traceBuf[traceNdx], sizeof(traceBuf), " CI_EPDISC");
+        traceNdx = strlen(traceBuf);
+#endif
+        orc = CONFREJ;
+        break;
+      
+      default:
+#if TRACELCP
+        snprintf(&traceBuf[traceNdx], sizeof(traceBuf), " unknown %d", citype);
+        traceNdx = strlen(traceBuf);
+#endif
+        orc = CONFREJ;
+        break;
+    }
+
+  endswitch:
+#if TRACELCP
+    if (traceNdx >= 80 - 32) {
+      LCPDEBUG(LOG_INFO, ("lcp_reqci: rcvd%s\n", traceBuf));
+      traceNdx = 0;
+    }
+#endif
+    if (orc == CONFACK && /* Good CI */
+        rc != CONFACK) {  /*  but prior CI wasnt? */
+      continue;           /* Don't send this one */
+    }
+
+    if (orc == CONFNAK) {     /* Nak this CI? */
+      if (reject_if_disagree  /* Getting fed up with sending NAKs? */
+          && citype != CI_MAGICNUMBER) {
+        orc = CONFREJ;        /* Get tough if so */
+      } else {
+        if (rc == CONFREJ) {  /* Rejecting prior CI? */
+          continue;           /* Don't send this one */
+        }
+        rc = CONFNAK;
+      }
+    }
+    if (orc == CONFREJ) {        /* Reject this CI */
+      rc = CONFREJ;
+      if (cip != rejp) {         /* Need to move rejected CI? */
+        BCOPY(cip, rejp, cilen); /* Move it */
+      }
+      INCPTR(cilen, rejp);       /* Update output pointer */
+    }
+  }
+
+  /*
+   * If we wanted to send additional NAKs (for unsent CIs), the
+   * code would go here.  The extra NAKs would go at *nakp.
+   * At present there are no cases where we want to ask the
+   * peer to negotiate an option.
+   */
+
+  switch (rc) {
+    case CONFACK:
+      *lenp = (int)(next - inp);
+      break;
+    case CONFNAK:
+      /*
+       * Copy the Nak'd options from the nak_buffer to the caller's buffer.
+       */
+      *lenp = (int)(nakp - nak_buffer);
+      BCOPY(nak_buffer, inp, *lenp);
+      break;
+    case CONFREJ:
+      *lenp = (int)(rejp - inp);
+      break;
+  }
+
+#if TRACELCP > 0
+  if (traceNdx > 0) {
+    LCPDEBUG(LOG_INFO, ("lcp_reqci: %s\n", traceBuf));
+  }
+#endif
+  LCPDEBUG(LOG_INFO, ("lcp_reqci: returning CONF%s.\n", CODENAME(rc)));
+  return (rc);      /* Return final code */
+}
+
+
+/*
+ * lcp_up - LCP has come UP.
+ */
+static void
+lcp_up(fsm *f)
+{
+  lcp_options *wo = &lcp_wantoptions[f->unit];
+  lcp_options *ho = &lcp_hisoptions[f->unit];
+  lcp_options *go = &lcp_gotoptions[f->unit];
+  lcp_options *ao = &lcp_allowoptions[f->unit];
+
+  if (!go->neg_magicnumber) {
+    go->magicnumber = 0;
+  }
+  if (!ho->neg_magicnumber) {
+    ho->magicnumber = 0;
+  }
+
+  /*
+   * Set our MTU to the smaller of the MTU we wanted and
+   * the MRU our peer wanted.  If we negotiated an MRU,
+   * set our MRU to the larger of value we wanted and
+   * the value we got in the negotiation.
+   */
+  ppp_send_config(f->unit, LWIP_MIN(ao->mru, (ho->neg_mru? ho->mru: PPP_MRU)),
+                 (ho->neg_asyncmap? ho->asyncmap: 0xffffffffl),
+                  ho->neg_pcompression, ho->neg_accompression);
+  /*
+   * If the asyncmap hasn't been negotiated, we really should
+   * set the receive asyncmap to ffffffff, but we set it to 0
+   * for backwards contemptibility.
+   */
+  ppp_recv_config(f->unit, (go->neg_mru? LWIP_MAX(wo->mru, go->mru): PPP_MRU),
+                 (go->neg_asyncmap? go->asyncmap: 0x00000000),
+                  go->neg_pcompression, go->neg_accompression);
+
+  if (ho->neg_mru) {
+    peer_mru[f->unit] = ho->mru;
+  }
+
+  lcp_echo_lowerup(f->unit); /* Enable echo messages */
+
+  link_established(f->unit); /* The link is up; authenticate now */
+}
+
+
+/*
+ * lcp_down - LCP has gone DOWN.
+ *
+ * Alert other protocols.
+ */
+static void
+lcp_down(fsm *f)
+{
+  lcp_options *go = &lcp_gotoptions[f->unit];
+
+  lcp_echo_lowerdown(f->unit);
+
+  link_down(f->unit);
+
+  ppp_send_config(f->unit, PPP_MRU, 0xffffffffl, 0, 0);
+  ppp_recv_config(f->unit, PPP_MRU,
+                  (go->neg_asyncmap? go->asyncmap: 0x00000000),
+                   go->neg_pcompression, go->neg_accompression);
+  peer_mru[f->unit] = PPP_MRU;
+}
+
+
+/*
+ * lcp_starting - LCP needs the lower layer up.
+ */
+static void
+lcp_starting(fsm *f)
+{
+  link_required(f->unit); /* lwip: currently does nothing */
+}
+
+
+/*
+ * lcp_finished - LCP has finished with the lower layer.
+ */
+static void
+lcp_finished(fsm *f)
+{
+  link_terminated(f->unit); /* we are finished with the link */
+}
+
+
+#if PPP_ADDITIONAL_CALLBACKS
+/*
+ * print_string - print a readable representation of a string using
+ * printer.
+ */
+static void
+print_string( char *p, int len, void (*printer) (void *, char *, ...), void *arg)
+{
+  int c;
+  
+  printer(arg, "\"");
+  for (; len > 0; --len) {
+    c = *p++;
+    if (' ' <= c && c <= '~') {
+        if (c == '\\' || c == '"') {
+          printer(arg, "\\");
+        }
+        printer(arg, "%c", c);
+    } else {
+      switch (c) {
+        case '\n':
+          printer(arg, "\\n");
+          break;
+        case '\r':
+          printer(arg, "\\r");
+          break;
+        case '\t':
+          printer(arg, "\\t");
+          break;
+        default:
+          printer(arg, "\\%.3o", c);
+        }
+    }
+  }
+  printer(arg, "\"");
+}
+
+
+/*
+ * lcp_printpkt - print the contents of an LCP packet.
+ */
+static char *lcp_codenames[] = {
+  "ConfReq", "ConfAck", "ConfNak", "ConfRej",
+  "TermReq", "TermAck", "CodeRej", "ProtRej",
+  "EchoReq", "EchoRep", "DiscReq"
+};
+
+static int
+lcp_printpkt( u_char *p, int plen, void (*printer) (void *, char *, ...), void *arg)
+{
+  int code, id, len, olen;
+  u_char *pstart, *optend;
+  u_short cishort;
+  u32_t cilong;
+
+  if (plen < HEADERLEN) {
+    return 0;
+  }
+  pstart = p;
+  GETCHAR(code, p);
+  GETCHAR(id, p);
+  GETSHORT(len, p);
+  if (len < HEADERLEN || len > plen) {
+    return 0;
+  }
+
+  if (code >= 1 && code <= sizeof(lcp_codenames) / sizeof(char *)) {
+    printer(arg, " %s", lcp_codenames[code-1]);
+  } else {
+    printer(arg, " code=0x%x", code);
+  }
+  printer(arg, " id=0x%x", id);
+  len -= HEADERLEN;
+  switch (code) {
+    case CONFREQ:
+    case CONFACK:
+    case CONFNAK:
+    case CONFREJ:
+      /* print option list */
+      while (len >= 2) {
+        GETCHAR(code, p);
+        GETCHAR(olen, p);
+        p -= 2;
+        if (olen < 2 || olen > len) {
+          break;
+        }
+        printer(arg, " <");
+        len -= olen;
+        optend = p + olen;
+        switch (code) {
+          case CI_MRU:
+            if (olen == CILEN_SHORT) {
+              p += 2;
+              GETSHORT(cishort, p);
+              printer(arg, "mru %d", cishort);
+            }
+            break;
+          case CI_ASYNCMAP:
+            if (olen == CILEN_LONG) {
+              p += 2;
+              GETLONG(cilong, p);
+              printer(arg, "asyncmap 0x%lx", cilong);
+            }
+            break;
+          case CI_AUTHTYPE:
+            if (olen >= CILEN_SHORT) {
+              p += 2;
+              printer(arg, "auth ");
+              GETSHORT(cishort, p);
+              switch (cishort) {
+                case PPP_PAP:
+                  printer(arg, "pap");
+                  break;
+                case PPP_CHAP:
+                  printer(arg, "chap");
+                  break;
+                default:
+                  printer(arg, "0x%x", cishort);
+              }
+            }
+            break;
+          case CI_QUALITY:
+            if (olen >= CILEN_SHORT) {
+              p += 2;
+              printer(arg, "quality ");
+              GETSHORT(cishort, p);
+              switch (cishort) {
+                case PPP_LQR:
+                  printer(arg, "lqr");
+                  break;
+                default:
+                  printer(arg, "0x%x", cishort);
+              }
+            }
+            break;
+          case CI_CALLBACK:
+            if (olen >= CILEN_CHAR) {
+              p += 2;
+              printer(arg, "callback ");
+              GETSHORT(cishort, p);
+              switch (cishort) {
+                case CBCP_OPT:
+                  printer(arg, "CBCP");
+                  break;
+                default:
+                  printer(arg, "0x%x", cishort);
+              }
+            }
+            break;
+          case CI_MAGICNUMBER:
+            if (olen == CILEN_LONG) {
+              p += 2;
+              GETLONG(cilong, p);
+              printer(arg, "magic 0x%x", cilong);
+            }
+            break;
+          case CI_PCOMPRESSION:
+            if (olen == CILEN_VOID) {
+              p += 2;
+              printer(arg, "pcomp");
+            }
+            break;
+          case CI_ACCOMPRESSION:
+            if (olen == CILEN_VOID) {
+              p += 2;
+              printer(arg, "accomp");
+            }
+            break;
+        }
+        while (p < optend) {
+          GETCHAR(code, p);
+          printer(arg, " %.2x", code);
+        }
+        printer(arg, ">");
+      }
+      break;
+    
+    case TERMACK:
+    case TERMREQ:
+      if (len > 0 && *p >= ' ' && *p < 0x7f) {
+        printer(arg, " ");
+        print_string((char*)p, len, printer, arg);
+        p += len;
+        len = 0;
+      }
+      break;
+    
+    case ECHOREQ:
+    case ECHOREP:
+    case DISCREQ:
+      if (len >= 4) {
+        GETLONG(cilong, p);
+        printer(arg, " magic=0x%x", cilong);
+        p += 4;
+        len -= 4;
+      }
+      break;
+  }
+
+  /* print the rest of the bytes in the packet */
+  for (; len > 0; --len) {
+    GETCHAR(code, p);
+    printer(arg, " %.2x", code);
+  }
+
+  return (int)(p - pstart);
+}
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+
+/*
+ * Time to shut down the link because there is nothing out there.
+ */
+static void
+LcpLinkFailure (fsm *f)
+{
+  if (f->state == LS_OPENED) {
+    LCPDEBUG(LOG_INFO, ("No response to %d echo-requests\n", lcp_echos_pending));
+    LCPDEBUG(LOG_NOTICE, ("Serial link appears to be disconnected.\n"));
+    lcp_close(f->unit, "Peer not responding");
+  }
+}
+
+/*
+ * Timer expired for the LCP echo requests from this process.
+ */
+static void
+LcpEchoCheck (fsm *f)
+{
+  LcpSendEchoRequest (f);
+
+  /*
+   * Start the timer for the next interval.
+   */
+  LWIP_ASSERT("lcp_echo_timer_running == 0", lcp_echo_timer_running == 0);
+
+  TIMEOUT (LcpEchoTimeout, f, lcp_echo_interval);
+  lcp_echo_timer_running = 1;
+}
+
+/*
+ * LcpEchoTimeout - Timer expired on the LCP echo
+ */
+static void
+LcpEchoTimeout (void *arg)
+{
+  if (lcp_echo_timer_running != 0) {
+    lcp_echo_timer_running = 0;
+    LcpEchoCheck ((fsm *) arg);
+  }
+}
+
+/*
+ * LcpEchoReply - LCP has received a reply to the echo
+ */
+static void
+lcp_received_echo_reply (fsm *f, int id, u_char *inp, int len)
+{
+  u32_t magic;
+
+  LWIP_UNUSED_ARG(id);
+
+  /* Check the magic number - don't count replies from ourselves. */
+  if (len < 4) {
+    LCPDEBUG(LOG_WARNING, ("lcp: received short Echo-Reply, length %d\n", len));
+    return;
+  }
+  GETLONG(magic, inp);
+  if (lcp_gotoptions[f->unit].neg_magicnumber && magic == lcp_gotoptions[f->unit].magicnumber) {
+    LCPDEBUG(LOG_WARNING, ("appear to have received our own echo-reply!\n"));
+    return;
+  }
+
+  /* Reset the number of outstanding echo frames */
+  lcp_echos_pending = 0;
+}
+
+/*
+ * LcpSendEchoRequest - Send an echo request frame to the peer
+ */
+static void
+LcpSendEchoRequest (fsm *f)
+{
+  u32_t lcp_magic;
+  u_char pkt[4], *pktp;
+
+  /*
+   * Detect the failure of the peer at this point.
+   */
+  if (lcp_echo_fails != 0) {
+    if (lcp_echos_pending >= lcp_echo_fails) {
+      LcpLinkFailure(f);
+      lcp_echos_pending = 0;
+    }
+  }
+
+  /*
+   * Make and send the echo request frame.
+   */
+  if (f->state == LS_OPENED) {
+    lcp_magic = lcp_gotoptions[f->unit].magicnumber;
+    pktp = pkt;
+    PUTLONG(lcp_magic, pktp);
+    fsm_sdata(f, ECHOREQ, (u_char)(lcp_echo_number++ & 0xFF), pkt, (int)(pktp - pkt));
+    ++lcp_echos_pending;
+  }
+}
+
+/*
+ * lcp_echo_lowerup - Start the timer for the LCP frame
+ */
+
+static void
+lcp_echo_lowerup (int unit)
+{
+  fsm *f = &lcp_fsm[unit];
+
+  /* Clear the parameters for generating echo frames */
+  lcp_echos_pending      = 0;
+  lcp_echo_number        = 0;
+  lcp_echo_timer_running = 0;
+
+  /* If a timeout interval is specified then start the timer */
+  if (lcp_echo_interval != 0) {
+    LcpEchoCheck (f);
+  }
+}
+
+/*
+ * lcp_echo_lowerdown - Stop the timer for the LCP frame
+ */
+
+static void
+lcp_echo_lowerdown (int unit)
+{
+  fsm *f = &lcp_fsm[unit];
+
+  if (lcp_echo_timer_running != 0) {
+    UNTIMEOUT (LcpEchoTimeout, f);
+    lcp_echo_timer_running = 0;
+  }
+}
+
+#endif /* PPP_SUPPORT */
diff --git a/libraries/net/lwip/lwip/netif/ppp/lcp.h b/libraries/net/lwip/lwip/netif/ppp/lcp.h
new file mode 100644
index 0000000000..b9201eeb50
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/lcp.h
@@ -0,0 +1,151 @@
+/*****************************************************************************
+* lcp.h - Network Link Control Protocol header file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1997 Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-11-05 Guy Lancaster , Global Election Systems Inc.
+*   Original derived from BSD codes.
+*****************************************************************************/
+/*
+ * lcp.h - Link Control Protocol definitions.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * $Id: lcp.h,v 1.4 2010/01/18 20:49:43 goldsimon Exp $
+ */
+
+#ifndef LCP_H
+#define LCP_H
+/*
+ * Options.
+ */
+#define CI_MRU           1  /* Maximum Receive Unit */
+#define CI_ASYNCMAP      2  /* Async Control Character Map */
+#define CI_AUTHTYPE      3  /* Authentication Type */
+#define CI_QUALITY       4  /* Quality Protocol */
+#define CI_MAGICNUMBER   5  /* Magic Number */
+#define CI_PCOMPRESSION  7  /* Protocol Field Compression */
+#define CI_ACCOMPRESSION 8  /* Address/Control Field Compression */
+#define CI_CALLBACK      13 /* callback */
+#define CI_MRRU          17 /* max reconstructed receive unit; multilink */
+#define CI_SSNHF         18 /* short sequence numbers for multilink */
+#define CI_EPDISC        19 /* endpoint discriminator */
+
+/*
+ * LCP-specific packet types (code numbers).
+ */
+#define PROTREJ          8  /* Protocol Reject */
+#define ECHOREQ          9  /* Echo Request */
+#define ECHOREP          10 /* Echo Reply */
+#define DISCREQ          11 /* Discard Request */
+#define CBCP_OPT         6  /* Use callback control protocol */
+
+/*
+ * The state of options is described by an lcp_options structure.
+ */
+typedef struct lcp_options {
+    u_int passive           : 1; /* Don't die if we don't get a response */
+    u_int silent            : 1; /* Wait for the other end to start first */
+    u_int restart           : 1; /* Restart vs. exit after close */
+    u_int neg_mru           : 1; /* Negotiate the MRU? */
+    u_int neg_asyncmap      : 1; /* Negotiate the async map? */
+    u_int neg_upap          : 1; /* Ask for UPAP authentication? */
+    u_int neg_chap          : 1; /* Ask for CHAP authentication? */
+    u_int neg_magicnumber   : 1; /* Ask for magic number? */
+    u_int neg_pcompression  : 1; /* HDLC Protocol Field Compression? */
+    u_int neg_accompression : 1; /* HDLC Address/Control Field Compression? */
+    u_int neg_lqr           : 1; /* Negotiate use of Link Quality Reports */
+    u_int neg_cbcp          : 1; /* Negotiate use of CBCP */
+#ifdef PPP_MULTILINK
+    u_int neg_mrru          : 1; /* Negotiate multilink MRRU */
+    u_int neg_ssnhf         : 1; /* Negotiate short sequence numbers */
+    u_int neg_endpoint      : 1; /* Negotiate endpoint discriminator */
+#endif
+    u_short mru;                 /* Value of MRU */
+#ifdef PPP_MULTILINK
+    u_short mrru;                /* Value of MRRU, and multilink enable */
+#endif
+    u_char chap_mdtype;          /* which MD type (hashing algorithm) */
+    u32_t asyncmap;              /* Value of async map */
+    u32_t magicnumber;
+    int numloops;                /* Number of loops during magic number neg. */
+    u32_t lqr_period;            /* Reporting period for LQR 1/100ths second */
+#ifdef PPP_MULTILINK
+    struct epdisc endpoint;      /* endpoint discriminator */
+#endif
+} lcp_options;
+
+/*
+ * Values for phase from BSD pppd.h based on RFC 1661.
+ */
+typedef enum {
+  PHASE_DEAD = 0,
+  PHASE_INITIALIZE,
+  PHASE_ESTABLISH,
+  PHASE_AUTHENTICATE,
+  PHASE_CALLBACK,
+  PHASE_NETWORK,
+  PHASE_TERMINATE
+} LinkPhase;
+
+
+
+extern LinkPhase lcp_phase[NUM_PPP]; /* Phase of link session (RFC 1661) */
+extern lcp_options lcp_wantoptions[];
+extern lcp_options lcp_gotoptions[];
+extern lcp_options lcp_allowoptions[];
+extern lcp_options lcp_hisoptions[];
+extern ext_accm xmit_accm[];
+
+
+void lcp_init     (int);
+void lcp_open     (int);
+void lcp_close    (int, char *);
+void lcp_lowerup  (int);
+void lcp_lowerdown(int);
+void lcp_sprotrej (int, u_char *, int); /* send protocol reject */
+
+extern struct protent lcp_protent;
+
+/* Default number of times we receive our magic number from the peer
+   before deciding the link is looped-back. */
+#define DEFLOOPBACKFAIL 10
+
+#endif /* LCP_H */
diff --git a/libraries/net/lwip/lwip/netif/ppp/magic.c b/libraries/net/lwip/lwip/netif/ppp/magic.c
new file mode 100644
index 0000000000..3901330895
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/magic.c
@@ -0,0 +1,80 @@
+/*****************************************************************************
+* magic.c - Network Random Number Generator program file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1997 by Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-12-04 Guy Lancaster , Global Election Systems Inc.
+*   Original based on BSD magic.c.
+*****************************************************************************/
+/*
+ * magic.c - PPP Magic Number routines.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include "lwip/opt.h"
+
+#if PPP_SUPPORT
+
+#include "ppp.h"
+#include "randm.h"
+#include "magic.h"
+
+
+/*
+ * magicInit - Initialize the magic number generator.
+ *
+ * Since we use another random number generator that has its own
+ * initialization, we do nothing here.
+ */
+void magicInit()
+{
+  return;
+}
+
+/*
+ * magic - Returns the next magic number.
+ */
+u32_t magic()
+{
+  return avRandom();
+}
+
+#endif /* PPP_SUPPORT */
diff --git a/libraries/net/lwip/lwip/netif/ppp/magic.h b/libraries/net/lwip/lwip/netif/ppp/magic.h
new file mode 100644
index 0000000000..eba70d20b0
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/magic.h
@@ -0,0 +1,63 @@
+/*****************************************************************************
+* magic.h - Network Random Number Generator header file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1997 Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-12-04 Guy Lancaster , Global Election Systems Inc.
+*   Original derived from BSD codes.
+*****************************************************************************/
+/*
+ * magic.h - PPP Magic Number definitions.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * $Id: magic.h,v 1.3 2010/01/18 20:49:43 goldsimon Exp $
+ */
+
+#ifndef MAGIC_H
+#define MAGIC_H
+
+/* Initialize the magic number generator */
+void  magicInit(void);
+
+/* Returns the next magic number */
+u32_t magic(void);
+
+#endif /* MAGIC_H */
diff --git a/libraries/net/lwip/lwip/netif/ppp/md5.c b/libraries/net/lwip/lwip/netif/ppp/md5.c
new file mode 100644
index 0000000000..3cb69e2b06
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/md5.c
@@ -0,0 +1,320 @@
+/*
+ ***********************************************************************
+ ** md5.c -- the source code for MD5 routines                         **
+ ** RSA Data Security, Inc. MD5 Message-Digest Algorithm              **
+ ** Created: 2/17/90 RLR                                              **
+ ** Revised: 1/91 SRD,AJ,BSK,JT Reference C ver., 7/10 constant corr. **
+ ***********************************************************************
+ */
+
+/*
+ ***********************************************************************
+ ** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved.  **
+ **                                                                   **
+ ** License to copy and use this software is granted provided that    **
+ ** it is identified as the "RSA Data Security, Inc. MD5 Message-     **
+ ** Digest Algorithm" in all material mentioning or referencing this  **
+ ** software or this function.                                        **
+ **                                                                   **
+ ** License is also granted to make and use derivative works          **
+ ** provided that such works are identified as "derived from the RSA  **
+ ** Data Security, Inc. MD5 Message-Digest Algorithm" in all          **
+ ** material mentioning or referencing the derived work.              **
+ **                                                                   **
+ ** RSA Data Security, Inc. makes no representations concerning       **
+ ** either the merchantability of this software or the suitability    **
+ ** of this software for any particular purpose.  It is provided "as  **
+ ** is" without express or implied warranty of any kind.              **
+ **                                                                   **
+ ** These notices must be retained in any copies of any part of this  **
+ ** documentation and/or software.                                    **
+ ***********************************************************************
+ */
+
+#include "lwip/opt.h"
+
+#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#if CHAP_SUPPORT || MD5_SUPPORT
+
+#include "ppp.h"
+#include "pppdebug.h"
+
+#include "md5.h"
+
+#include 
+
+/*
+ ***********************************************************************
+ **  Message-digest routines:                                         **
+ **  To form the message digest for a message M                       **
+ **    (1) Initialize a context buffer mdContext using MD5Init        **
+ **    (2) Call MD5Update on mdContext and M                          **
+ **    (3) Call MD5Final on mdContext                                 **
+ **  The message digest is now in mdContext->digest[0...15]           **
+ ***********************************************************************
+ */
+
+/* forward declaration */
+static void Transform (u32_t *buf, u32_t *in);
+
+static unsigned char PADDING[64] = {
+  0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+/* F, G, H and I are basic MD5 functions */
+#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
+#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
+#define H(x, y, z) ((x) ^ (y) ^ (z))
+#define I(x, y, z) ((y) ^ ((x) | (~z)))
+
+/* ROTATE_LEFT rotates x left n bits */
+#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
+
+/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4 */
+/* Rotation is separate from addition to prevent recomputation */
+#define FF(a, b, c, d, x, s, ac) \
+  {(a) += F ((b), (c), (d)) + (x) + (u32_t)(ac); \
+   (a) = ROTATE_LEFT ((a), (s)); \
+   (a) += (b); \
+  }
+#define GG(a, b, c, d, x, s, ac) \
+  {(a) += G ((b), (c), (d)) + (x) + (u32_t)(ac); \
+   (a) = ROTATE_LEFT ((a), (s)); \
+   (a) += (b); \
+  }
+#define HH(a, b, c, d, x, s, ac) \
+  {(a) += H ((b), (c), (d)) + (x) + (u32_t)(ac); \
+   (a) = ROTATE_LEFT ((a), (s)); \
+   (a) += (b); \
+  }
+#define II(a, b, c, d, x, s, ac) \
+  {(a) += I ((b), (c), (d)) + (x) + (u32_t)(ac); \
+   (a) = ROTATE_LEFT ((a), (s)); \
+   (a) += (b); \
+  }
+
+#ifdef __STDC__
+#define UL(x) x##UL
+#else
+#ifdef WIN32
+#define UL(x) x##UL
+#else
+#define UL(x) x
+#endif
+#endif
+
+/* The routine MD5Init initializes the message-digest context
+   mdContext. All fields are set to zero.
+ */
+void
+MD5Init (MD5_CTX *mdContext)
+{
+  mdContext->i[0] = mdContext->i[1] = (u32_t)0;
+
+  /* Load magic initialization constants. */
+  mdContext->buf[0] = (u32_t)0x67452301UL;
+  mdContext->buf[1] = (u32_t)0xefcdab89UL;
+  mdContext->buf[2] = (u32_t)0x98badcfeUL;
+  mdContext->buf[3] = (u32_t)0x10325476UL;
+}
+
+/* The routine MD5Update updates the message-digest context to
+   account for the presence of each of the characters inBuf[0..inLen-1]
+   in the message whose digest is being computed.
+ */
+void
+MD5Update(MD5_CTX *mdContext, unsigned char *inBuf, unsigned int inLen)
+{
+  u32_t in[16];
+  int mdi;
+  unsigned int i, ii;
+
+#if 0
+  PPPDEBUG(LOG_INFO, ("MD5Update: %u:%.*H\n", inLen, LWIP_MIN(inLen, 20) * 2, inBuf));
+  PPPDEBUG(LOG_INFO, ("MD5Update: %u:%s\n", inLen, inBuf));
+#endif
+  
+  /* compute number of bytes mod 64 */
+  mdi = (int)((mdContext->i[0] >> 3) & 0x3F);
+
+  /* update number of bits */
+  if ((mdContext->i[0] + ((u32_t)inLen << 3)) < mdContext->i[0]) {
+    mdContext->i[1]++;
+  }
+  mdContext->i[0] += ((u32_t)inLen << 3);
+  mdContext->i[1] += ((u32_t)inLen >> 29);
+
+  while (inLen--) {
+    /* add new character to buffer, increment mdi */
+    mdContext->in[mdi++] = *inBuf++;
+
+    /* transform if necessary */
+    if (mdi == 0x40) {
+      for (i = 0, ii = 0; i < 16; i++, ii += 4) {
+        in[i] = (((u32_t)mdContext->in[ii+3]) << 24) |
+                (((u32_t)mdContext->in[ii+2]) << 16) |
+                (((u32_t)mdContext->in[ii+1]) << 8)  |
+                ((u32_t)mdContext->in[ii]);
+      }
+      Transform (mdContext->buf, in);
+      mdi = 0;
+    }
+  }
+}
+
+/* The routine MD5Final terminates the message-digest computation and
+   ends with the desired message digest in mdContext->digest[0...15].
+ */
+void
+MD5Final (unsigned char hash[], MD5_CTX *mdContext)
+{
+  u32_t in[16];
+  int mdi;
+  unsigned int i, ii;
+  unsigned int padLen;
+
+  /* save number of bits */
+  in[14] = mdContext->i[0];
+  in[15] = mdContext->i[1];
+
+  /* compute number of bytes mod 64 */
+  mdi = (int)((mdContext->i[0] >> 3) & 0x3F);
+
+  /* pad out to 56 mod 64 */
+  padLen = (mdi < 56) ? (56 - mdi) : (120 - mdi);
+  MD5Update (mdContext, PADDING, padLen);
+
+  /* append length in bits and transform */
+  for (i = 0, ii = 0; i < 14; i++, ii += 4) {
+    in[i] = (((u32_t)mdContext->in[ii+3]) << 24) |
+            (((u32_t)mdContext->in[ii+2]) << 16) |
+            (((u32_t)mdContext->in[ii+1]) << 8)  |
+            ((u32_t)mdContext->in[ii]);
+  }
+  Transform (mdContext->buf, in);
+
+  /* store buffer in digest */
+  for (i = 0, ii = 0; i < 4; i++, ii += 4) {
+    mdContext->digest[ii]   = (unsigned char)(mdContext->buf[i] & 0xFF);
+    mdContext->digest[ii+1] =
+      (unsigned char)((mdContext->buf[i] >> 8)  & 0xFF);
+    mdContext->digest[ii+2] =
+      (unsigned char)((mdContext->buf[i] >> 16) & 0xFF);
+    mdContext->digest[ii+3] =
+      (unsigned char)((mdContext->buf[i] >> 24) & 0xFF);
+  }
+  SMEMCPY(hash, mdContext->digest, 16);
+}
+
+/* Basic MD5 step. Transforms buf based on in.
+ */
+static void
+Transform (u32_t *buf, u32_t *in)
+{
+  u32_t a = buf[0], b = buf[1], c = buf[2], d = buf[3];
+
+  /* Round 1 */
+#define S11 7
+#define S12 12
+#define S13 17
+#define S14 22
+  FF ( a, b, c, d, in[ 0], S11, UL(3614090360)); /* 1 */
+  FF ( d, a, b, c, in[ 1], S12, UL(3905402710)); /* 2 */
+  FF ( c, d, a, b, in[ 2], S13, UL( 606105819)); /* 3 */
+  FF ( b, c, d, a, in[ 3], S14, UL(3250441966)); /* 4 */
+  FF ( a, b, c, d, in[ 4], S11, UL(4118548399)); /* 5 */
+  FF ( d, a, b, c, in[ 5], S12, UL(1200080426)); /* 6 */
+  FF ( c, d, a, b, in[ 6], S13, UL(2821735955)); /* 7 */
+  FF ( b, c, d, a, in[ 7], S14, UL(4249261313)); /* 8 */
+  FF ( a, b, c, d, in[ 8], S11, UL(1770035416)); /* 9 */
+  FF ( d, a, b, c, in[ 9], S12, UL(2336552879)); /* 10 */
+  FF ( c, d, a, b, in[10], S13, UL(4294925233)); /* 11 */
+  FF ( b, c, d, a, in[11], S14, UL(2304563134)); /* 12 */
+  FF ( a, b, c, d, in[12], S11, UL(1804603682)); /* 13 */
+  FF ( d, a, b, c, in[13], S12, UL(4254626195)); /* 14 */
+  FF ( c, d, a, b, in[14], S13, UL(2792965006)); /* 15 */
+  FF ( b, c, d, a, in[15], S14, UL(1236535329)); /* 16 */
+
+  /* Round 2 */
+#define S21 5
+#define S22 9
+#define S23 14
+#define S24 20
+  GG ( a, b, c, d, in[ 1], S21, UL(4129170786)); /* 17 */
+  GG ( d, a, b, c, in[ 6], S22, UL(3225465664)); /* 18 */
+  GG ( c, d, a, b, in[11], S23, UL( 643717713)); /* 19 */
+  GG ( b, c, d, a, in[ 0], S24, UL(3921069994)); /* 20 */
+  GG ( a, b, c, d, in[ 5], S21, UL(3593408605)); /* 21 */
+  GG ( d, a, b, c, in[10], S22, UL(  38016083)); /* 22 */
+  GG ( c, d, a, b, in[15], S23, UL(3634488961)); /* 23 */
+  GG ( b, c, d, a, in[ 4], S24, UL(3889429448)); /* 24 */
+  GG ( a, b, c, d, in[ 9], S21, UL( 568446438)); /* 25 */
+  GG ( d, a, b, c, in[14], S22, UL(3275163606)); /* 26 */
+  GG ( c, d, a, b, in[ 3], S23, UL(4107603335)); /* 27 */
+  GG ( b, c, d, a, in[ 8], S24, UL(1163531501)); /* 28 */
+  GG ( a, b, c, d, in[13], S21, UL(2850285829)); /* 29 */
+  GG ( d, a, b, c, in[ 2], S22, UL(4243563512)); /* 30 */
+  GG ( c, d, a, b, in[ 7], S23, UL(1735328473)); /* 31 */
+  GG ( b, c, d, a, in[12], S24, UL(2368359562)); /* 32 */
+
+  /* Round 3 */
+#define S31 4
+#define S32 11
+#define S33 16
+#define S34 23
+  HH ( a, b, c, d, in[ 5], S31, UL(4294588738)); /* 33 */
+  HH ( d, a, b, c, in[ 8], S32, UL(2272392833)); /* 34 */
+  HH ( c, d, a, b, in[11], S33, UL(1839030562)); /* 35 */
+  HH ( b, c, d, a, in[14], S34, UL(4259657740)); /* 36 */
+  HH ( a, b, c, d, in[ 1], S31, UL(2763975236)); /* 37 */
+  HH ( d, a, b, c, in[ 4], S32, UL(1272893353)); /* 38 */
+  HH ( c, d, a, b, in[ 7], S33, UL(4139469664)); /* 39 */
+  HH ( b, c, d, a, in[10], S34, UL(3200236656)); /* 40 */
+  HH ( a, b, c, d, in[13], S31, UL( 681279174)); /* 41 */
+  HH ( d, a, b, c, in[ 0], S32, UL(3936430074)); /* 42 */
+  HH ( c, d, a, b, in[ 3], S33, UL(3572445317)); /* 43 */
+  HH ( b, c, d, a, in[ 6], S34, UL(  76029189)); /* 44 */
+  HH ( a, b, c, d, in[ 9], S31, UL(3654602809)); /* 45 */
+  HH ( d, a, b, c, in[12], S32, UL(3873151461)); /* 46 */
+  HH ( c, d, a, b, in[15], S33, UL( 530742520)); /* 47 */
+  HH ( b, c, d, a, in[ 2], S34, UL(3299628645)); /* 48 */
+
+  /* Round 4 */
+#define S41 6
+#define S42 10
+#define S43 15
+#define S44 21
+  II ( a, b, c, d, in[ 0], S41, UL(4096336452)); /* 49 */
+  II ( d, a, b, c, in[ 7], S42, UL(1126891415)); /* 50 */
+  II ( c, d, a, b, in[14], S43, UL(2878612391)); /* 51 */
+  II ( b, c, d, a, in[ 5], S44, UL(4237533241)); /* 52 */
+  II ( a, b, c, d, in[12], S41, UL(1700485571)); /* 53 */
+  II ( d, a, b, c, in[ 3], S42, UL(2399980690)); /* 54 */
+  II ( c, d, a, b, in[10], S43, UL(4293915773)); /* 55 */
+  II ( b, c, d, a, in[ 1], S44, UL(2240044497)); /* 56 */
+  II ( a, b, c, d, in[ 8], S41, UL(1873313359)); /* 57 */
+  II ( d, a, b, c, in[15], S42, UL(4264355552)); /* 58 */
+  II ( c, d, a, b, in[ 6], S43, UL(2734768916)); /* 59 */
+  II ( b, c, d, a, in[13], S44, UL(1309151649)); /* 60 */
+  II ( a, b, c, d, in[ 4], S41, UL(4149444226)); /* 61 */
+  II ( d, a, b, c, in[11], S42, UL(3174756917)); /* 62 */
+  II ( c, d, a, b, in[ 2], S43, UL( 718787259)); /* 63 */
+  II ( b, c, d, a, in[ 9], S44, UL(3951481745)); /* 64 */
+
+  buf[0] += a;
+  buf[1] += b;
+  buf[2] += c;
+  buf[3] += d;
+}
+
+#endif /* CHAP_SUPPORT || MD5_SUPPORT */
+
+#endif /* PPP_SUPPORT */
diff --git a/libraries/net/lwip/lwip/netif/ppp/md5.h b/libraries/net/lwip/lwip/netif/ppp/md5.h
new file mode 100644
index 0000000000..e129533f38
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/md5.h
@@ -0,0 +1,55 @@
+/*
+ ***********************************************************************
+ ** md5.h -- header file for implementation of MD5                    **
+ ** RSA Data Security, Inc. MD5 Message-Digest Algorithm              **
+ ** Created: 2/17/90 RLR                                              **
+ ** Revised: 12/27/90 SRD,AJ,BSK,JT Reference C version               **
+ ** Revised (for MD5): RLR 4/27/91                                    **
+ **   -- G modified to have y&~z instead of y&z                       **
+ **   -- FF, GG, HH modified to add in last register done             **
+ **   -- Access pattern: round 2 works mod 5, round 3 works mod 3     **
+ **   -- distinct additive constant for each step                     **
+ **   -- round 4 added, working mod 7                                 **
+ ***********************************************************************
+ */
+
+/*
+ ***********************************************************************
+ ** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved.  **
+ **                                                                   **
+ ** License to copy and use this software is granted provided that    **
+ ** it is identified as the "RSA Data Security, Inc. MD5 Message-     **
+ ** Digest Algorithm" in all material mentioning or referencing this  **
+ ** software or this function.                                        **
+ **                                                                   **
+ ** License is also granted to make and use derivative works          **
+ ** provided that such works are identified as "derived from the RSA  **
+ ** Data Security, Inc. MD5 Message-Digest Algorithm" in all          **
+ ** material mentioning or referencing the derived work.              **
+ **                                                                   **
+ ** RSA Data Security, Inc. makes no representations concerning       **
+ ** either the merchantability of this software or the suitability    **
+ ** of this software for any particular purpose.  It is provided "as  **
+ ** is" without express or implied warranty of any kind.              **
+ **                                                                   **
+ ** These notices must be retained in any copies of any part of this  **
+ ** documentation and/or software.                                    **
+ ***********************************************************************
+ */
+
+#ifndef MD5_H
+#define MD5_H
+
+/* Data structure for MD5 (Message-Digest) computation */
+typedef struct {
+  u32_t i[2];               /* number of _bits_ handled mod 2^64 */
+  u32_t buf[4];             /* scratch buffer */
+  unsigned char in[64];     /* input buffer */
+  unsigned char digest[16]; /* actual digest after MD5Final call */
+} MD5_CTX;
+
+void MD5Init  ( MD5_CTX *mdContext);
+void MD5Update( MD5_CTX *mdContext, unsigned char *inBuf, unsigned int inLen);
+void MD5Final ( unsigned char hash[], MD5_CTX *mdContext);
+
+#endif /* MD5_H */
diff --git a/libraries/net/lwip/lwip/netif/ppp/pap.c b/libraries/net/lwip/lwip/netif/ppp/pap.c
new file mode 100644
index 0000000000..ac44e6464c
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/pap.c
@@ -0,0 +1,628 @@
+/*****************************************************************************
+* pap.c - Network Password Authentication Protocol program file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1997 by Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-12-12 Guy Lancaster , Global Election Systems Inc.
+*   Original.
+*****************************************************************************/
+/*
+ * upap.c - User/Password Authentication Protocol.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include "lwip/opt.h"
+
+#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#if PAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#include "ppp.h"
+#include "pppdebug.h"
+
+#include "auth.h"
+#include "pap.h"
+
+#include 
+
+#if 0 /* UNUSED */
+static bool hide_password = 1;
+
+/*
+ * Command-line options.
+ */
+static option_t pap_option_list[] = {
+    { "hide-password", o_bool, &hide_password,
+      "Don't output passwords to log", 1 },
+    { "show-password", o_bool, &hide_password,
+      "Show password string in debug log messages", 0 },
+    { "pap-restart", o_int, &upap[0].us_timeouttime,
+      "Set retransmit timeout for PAP" },
+    { "pap-max-authreq", o_int, &upap[0].us_maxtransmits,
+      "Set max number of transmissions for auth-reqs" },
+    { "pap-timeout", o_int, &upap[0].us_reqtimeout,
+      "Set time limit for peer PAP authentication" },
+    { NULL }
+};
+#endif
+
+/*
+ * Protocol entry points.
+ */
+static void upap_init      (int);
+static void upap_lowerup   (int);
+static void upap_lowerdown (int);
+static void upap_input     (int, u_char *, int);
+static void upap_protrej   (int);
+#if PPP_ADDITIONAL_CALLBACKS
+static int  upap_printpkt (u_char *, int, void (*)(void *, char *, ...), void *);
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+
+struct protent pap_protent = {
+  PPP_PAP,
+  upap_init,
+  upap_input,
+  upap_protrej,
+  upap_lowerup,
+  upap_lowerdown,
+  NULL,
+  NULL,
+#if PPP_ADDITIONAL_CALLBACKS
+  upap_printpkt,
+  NULL,
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+  1,
+  "PAP",
+#if PPP_ADDITIONAL_CALLBACKS
+  NULL,
+  NULL,
+  NULL
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+};
+
+upap_state upap[NUM_PPP]; /* UPAP state; one for each unit */
+
+static void upap_timeout   (void *);
+static void upap_reqtimeout(void *);
+static void upap_rauthreq  (upap_state *, u_char *, u_char, int);
+static void upap_rauthack  (upap_state *, u_char *, int, int);
+static void upap_rauthnak  (upap_state *, u_char *, int, int);
+static void upap_sauthreq  (upap_state *);
+static void upap_sresp     (upap_state *, u_char, u_char, char *, int);
+
+
+/*
+ * upap_init - Initialize a UPAP unit.
+ */
+static void
+upap_init(int unit)
+{
+  upap_state *u = &upap[unit];
+
+  UPAPDEBUG(LOG_INFO, ("upap_init: %d\n", unit));
+  u->us_unit         = unit;
+  u->us_user         = NULL;
+  u->us_userlen      = 0;
+  u->us_passwd       = NULL;
+  u->us_passwdlen    = 0;
+  u->us_clientstate  = UPAPCS_INITIAL;
+  u->us_serverstate  = UPAPSS_INITIAL;
+  u->us_id           = 0;
+  u->us_timeouttime  = UPAP_DEFTIMEOUT;
+  u->us_maxtransmits = 10;
+  u->us_reqtimeout   = UPAP_DEFREQTIME;
+}
+
+/*
+ * upap_authwithpeer - Authenticate us with our peer (start client).
+ *
+ * Set new state and send authenticate's.
+ */
+void
+upap_authwithpeer(int unit, char *user, char *password)
+{
+  upap_state *u = &upap[unit];
+
+  UPAPDEBUG(LOG_INFO, ("upap_authwithpeer: %d user=%s password=%s s=%d\n",
+             unit, user, password, u->us_clientstate));
+
+  /* Save the username and password we're given */
+  u->us_user = user;
+  u->us_userlen = (int)strlen(user);
+  u->us_passwd = password;
+  u->us_passwdlen = (int)strlen(password);
+
+  u->us_transmits = 0;
+
+  /* Lower layer up yet? */
+  if (u->us_clientstate == UPAPCS_INITIAL ||
+      u->us_clientstate == UPAPCS_PENDING) {
+    u->us_clientstate = UPAPCS_PENDING;
+    return;
+  }
+
+  upap_sauthreq(u);      /* Start protocol */
+}
+
+
+/*
+ * upap_authpeer - Authenticate our peer (start server).
+ *
+ * Set new state.
+ */
+void
+upap_authpeer(int unit)
+{
+  upap_state *u = &upap[unit];
+
+  /* Lower layer up yet? */
+  if (u->us_serverstate == UPAPSS_INITIAL ||
+      u->us_serverstate == UPAPSS_PENDING) {
+    u->us_serverstate = UPAPSS_PENDING;
+    return;
+  }
+
+  u->us_serverstate = UPAPSS_LISTEN;
+  if (u->us_reqtimeout > 0) {
+    TIMEOUT(upap_reqtimeout, u, u->us_reqtimeout);
+  }
+}
+
+/*
+ * upap_timeout - Retransmission timer for sending auth-reqs expired.
+ */
+static void
+upap_timeout(void *arg)
+{
+  upap_state *u = (upap_state *) arg;
+
+  UPAPDEBUG(LOG_INFO, ("upap_timeout: %d timeout %d expired s=%d\n", 
+        u->us_unit, u->us_timeouttime, u->us_clientstate));
+
+  if (u->us_clientstate != UPAPCS_AUTHREQ) {
+	UPAPDEBUG(LOG_INFO, ("upap_timeout: not in AUTHREQ state!\n"));
+    return;
+  }
+
+  if (u->us_transmits >= u->us_maxtransmits) {
+    /* give up in disgust */
+    UPAPDEBUG(LOG_ERR, ("No response to PAP authenticate-requests\n"));
+    u->us_clientstate = UPAPCS_BADAUTH;
+    auth_withpeer_fail(u->us_unit, PPP_PAP);
+    return;
+  }
+
+  upap_sauthreq(u);    /* Send Authenticate-Request and set upap timeout*/
+}
+
+
+/*
+ * upap_reqtimeout - Give up waiting for the peer to send an auth-req.
+ */
+static void
+upap_reqtimeout(void *arg)
+{
+  upap_state *u = (upap_state *) arg;
+
+  if (u->us_serverstate != UPAPSS_LISTEN) {
+    return; /* huh?? */
+  }
+
+  auth_peer_fail(u->us_unit, PPP_PAP);
+  u->us_serverstate = UPAPSS_BADAUTH;
+}
+
+
+/*
+ * upap_lowerup - The lower layer is up.
+ *
+ * Start authenticating if pending.
+ */
+static void
+upap_lowerup(int unit)
+{
+  upap_state *u = &upap[unit];
+
+  UPAPDEBUG(LOG_INFO, ("upap_lowerup: init %d clientstate s=%d\n", unit, u->us_clientstate));
+
+  if (u->us_clientstate == UPAPCS_INITIAL) {
+    u->us_clientstate = UPAPCS_CLOSED;
+  } else if (u->us_clientstate == UPAPCS_PENDING) {
+    upap_sauthreq(u);  /* send an auth-request */
+    /* now client state is UPAPCS__AUTHREQ */
+  }
+
+  if (u->us_serverstate == UPAPSS_INITIAL) {
+    u->us_serverstate = UPAPSS_CLOSED;
+  } else if (u->us_serverstate == UPAPSS_PENDING) {
+    u->us_serverstate = UPAPSS_LISTEN;
+    if (u->us_reqtimeout > 0) {
+      TIMEOUT(upap_reqtimeout, u, u->us_reqtimeout);
+    }
+  }
+}
+
+
+/*
+ * upap_lowerdown - The lower layer is down.
+ *
+ * Cancel all timeouts.
+ */
+static void
+upap_lowerdown(int unit)
+{
+  upap_state *u = &upap[unit];
+
+  UPAPDEBUG(LOG_INFO, ("upap_lowerdown: %d s=%d\n", unit, u->us_clientstate));
+
+  if (u->us_clientstate == UPAPCS_AUTHREQ) { /* Timeout pending? */
+    UNTIMEOUT(upap_timeout, u);    /* Cancel timeout */
+  }
+  if (u->us_serverstate == UPAPSS_LISTEN && u->us_reqtimeout > 0) {
+    UNTIMEOUT(upap_reqtimeout, u);
+  }
+
+  u->us_clientstate = UPAPCS_INITIAL;
+  u->us_serverstate = UPAPSS_INITIAL;
+}
+
+
+/*
+ * upap_protrej - Peer doesn't speak this protocol.
+ *
+ * This shouldn't happen.  In any case, pretend lower layer went down.
+ */
+static void
+upap_protrej(int unit)
+{
+  upap_state *u = &upap[unit];
+
+  if (u->us_clientstate == UPAPCS_AUTHREQ) {
+    UPAPDEBUG(LOG_ERR, ("PAP authentication failed due to protocol-reject\n"));
+    auth_withpeer_fail(unit, PPP_PAP);
+  }
+  if (u->us_serverstate == UPAPSS_LISTEN) {
+    UPAPDEBUG(LOG_ERR, ("PAP authentication of peer failed (protocol-reject)\n"));
+    auth_peer_fail(unit, PPP_PAP);
+  }
+  upap_lowerdown(unit);
+}
+
+
+/*
+ * upap_input - Input UPAP packet.
+ */
+static void
+upap_input(int unit, u_char *inpacket, int l)
+{
+  upap_state *u = &upap[unit];
+  u_char *inp;
+  u_char code, id;
+  int len;
+
+  /*
+   * Parse header (code, id and length).
+   * If packet too short, drop it.
+   */
+  inp = inpacket;
+  if (l < (int)UPAP_HEADERLEN) {
+    UPAPDEBUG(LOG_INFO, ("pap_input: rcvd short header.\n"));
+    return;
+  }
+  GETCHAR(code, inp);
+  GETCHAR(id, inp);
+  GETSHORT(len, inp);
+  if (len < (int)UPAP_HEADERLEN) {
+    UPAPDEBUG(LOG_INFO, ("pap_input: rcvd illegal length.\n"));
+    return;
+  }
+  if (len > l) {
+    UPAPDEBUG(LOG_INFO, ("pap_input: rcvd short packet.\n"));
+    return;
+  }
+  len -= UPAP_HEADERLEN;
+
+  /*
+   * Action depends on code.
+   */
+  switch (code) {
+    case UPAP_AUTHREQ:
+      upap_rauthreq(u, inp, id, len);
+      break;
+
+    case UPAP_AUTHACK:
+      upap_rauthack(u, inp, id, len);
+      break;
+
+    case UPAP_AUTHNAK:
+      upap_rauthnak(u, inp, id, len);
+      break;
+
+    default:        /* XXX Need code reject */
+      UPAPDEBUG(LOG_INFO, ("pap_input: UNHANDLED default: code: %d, id: %d, len: %d.\n", code, id, len));
+      break;
+  }
+}
+
+
+/*
+ * upap_rauth - Receive Authenticate.
+ */
+static void
+upap_rauthreq(upap_state *u, u_char *inp, u_char id, int len)
+{
+  u_char ruserlen, rpasswdlen;
+  char *ruser, *rpasswd;
+  u_char retcode;
+  char *msg;
+  int msglen;
+
+  UPAPDEBUG(LOG_INFO, ("pap_rauth: Rcvd id %d.\n", id));
+
+  if (u->us_serverstate < UPAPSS_LISTEN) {
+    return;
+  }
+
+  /*
+   * If we receive a duplicate authenticate-request, we are
+   * supposed to return the same status as for the first request.
+   */
+  if (u->us_serverstate == UPAPSS_OPEN) {
+    upap_sresp(u, UPAP_AUTHACK, id, "", 0);  /* return auth-ack */
+    return;
+  }
+  if (u->us_serverstate == UPAPSS_BADAUTH) {
+    upap_sresp(u, UPAP_AUTHNAK, id, "", 0);  /* return auth-nak */
+    return;
+  }
+
+  /*
+   * Parse user/passwd.
+   */
+  if (len < (int)sizeof (u_char)) {
+    UPAPDEBUG(LOG_INFO, ("pap_rauth: rcvd short packet.\n"));
+    return;
+  }
+  GETCHAR(ruserlen, inp);
+  len -= sizeof (u_char) + ruserlen + sizeof (u_char);
+  if (len < 0) {
+    UPAPDEBUG(LOG_INFO, ("pap_rauth: rcvd short packet.\n"));
+    return;
+  }
+  ruser = (char *) inp;
+  INCPTR(ruserlen, inp);
+  GETCHAR(rpasswdlen, inp);
+  if (len < rpasswdlen) {
+    UPAPDEBUG(LOG_INFO, ("pap_rauth: rcvd short packet.\n"));
+    return;
+  }
+  rpasswd = (char *) inp;
+
+  /*
+   * Check the username and password given.
+   */
+  retcode = check_passwd(u->us_unit, ruser, ruserlen, rpasswd, rpasswdlen, &msg, &msglen);
+  /* lwip: currently retcode is always UPAP_AUTHACK */
+  BZERO(rpasswd, rpasswdlen);
+
+  upap_sresp(u, retcode, id, msg, msglen);
+
+  if (retcode == UPAP_AUTHACK) {
+    u->us_serverstate = UPAPSS_OPEN;
+    auth_peer_success(u->us_unit, PPP_PAP, ruser, ruserlen);
+  } else {
+    u->us_serverstate = UPAPSS_BADAUTH;
+    auth_peer_fail(u->us_unit, PPP_PAP);
+  }
+
+  if (u->us_reqtimeout > 0) {
+    UNTIMEOUT(upap_reqtimeout, u);
+  }
+}
+
+
+/*
+ * upap_rauthack - Receive Authenticate-Ack.
+ */
+static void
+upap_rauthack(upap_state *u, u_char *inp, int id, int len)
+{
+  u_char msglen;
+  char *msg;
+
+  LWIP_UNUSED_ARG(id);
+
+  UPAPDEBUG(LOG_INFO, ("pap_rauthack: Rcvd id %d s=%d\n", id, u->us_clientstate));
+
+  if (u->us_clientstate != UPAPCS_AUTHREQ) { /* XXX */
+    UPAPDEBUG(LOG_INFO, ("pap_rauthack: us_clientstate != UPAPCS_AUTHREQ\n"));
+    return;
+  }
+
+  /*
+   * Parse message.
+   */
+  if (len < (int)sizeof (u_char)) {
+    UPAPDEBUG(LOG_INFO, ("pap_rauthack: ignoring missing msg-length.\n"));
+  } else {
+    GETCHAR(msglen, inp);
+    if (msglen > 0) {
+      len -= sizeof (u_char);
+      if (len < msglen) {
+        UPAPDEBUG(LOG_INFO, ("pap_rauthack: rcvd short packet.\n"));
+        return;
+      }
+      msg = (char *) inp;
+      PRINTMSG(msg, msglen);
+    }
+  }
+  UNTIMEOUT(upap_timeout, u);    /* Cancel timeout */
+  u->us_clientstate = UPAPCS_OPEN;
+
+  auth_withpeer_success(u->us_unit, PPP_PAP);
+}
+
+
+/*
+ * upap_rauthnak - Receive Authenticate-Nak.
+ */
+static void
+upap_rauthnak(upap_state *u, u_char *inp, int id, int len)
+{
+  u_char msglen;
+  char *msg;
+
+  LWIP_UNUSED_ARG(id);
+
+  UPAPDEBUG(LOG_INFO, ("pap_rauthnak: Rcvd id %d s=%d\n", id, u->us_clientstate));
+
+  if (u->us_clientstate != UPAPCS_AUTHREQ) { /* XXX */
+    return;
+  }
+
+  /*
+   * Parse message.
+   */
+  if (len < sizeof (u_char)) {
+    UPAPDEBUG(LOG_INFO, ("pap_rauthnak: ignoring missing msg-length.\n"));
+  } else {
+    GETCHAR(msglen, inp);
+    if(msglen > 0) {
+      len -= sizeof (u_char);
+      if (len < msglen) {
+        UPAPDEBUG(LOG_INFO, ("pap_rauthnak: rcvd short packet.\n"));
+        return;
+      }
+      msg = (char *) inp;
+      PRINTMSG(msg, msglen);
+    }
+  }
+
+  u->us_clientstate = UPAPCS_BADAUTH;
+
+  UPAPDEBUG(LOG_ERR, ("PAP authentication failed\n"));
+  auth_withpeer_fail(u->us_unit, PPP_PAP);
+}
+
+
+/*
+ * upap_sauthreq - Send an Authenticate-Request.
+ */
+static void
+upap_sauthreq(upap_state *u)
+{
+  u_char *outp;
+  int outlen;
+
+  outlen = UPAP_HEADERLEN + 2 * sizeof (u_char) 
+         + u->us_userlen + u->us_passwdlen;
+  outp = outpacket_buf[u->us_unit];
+
+  MAKEHEADER(outp, PPP_PAP);
+
+  PUTCHAR(UPAP_AUTHREQ, outp);
+  PUTCHAR(++u->us_id, outp);
+  PUTSHORT(outlen, outp);
+  PUTCHAR(u->us_userlen, outp);
+  BCOPY(u->us_user, outp, u->us_userlen);
+  INCPTR(u->us_userlen, outp);
+  PUTCHAR(u->us_passwdlen, outp);
+  BCOPY(u->us_passwd, outp, u->us_passwdlen);
+
+  pppWrite(u->us_unit, outpacket_buf[u->us_unit], outlen + PPP_HDRLEN);
+
+  UPAPDEBUG(LOG_INFO, ("pap_sauth: Sent id %d\n", u->us_id));
+
+  TIMEOUT(upap_timeout, u, u->us_timeouttime);
+  ++u->us_transmits;
+  u->us_clientstate = UPAPCS_AUTHREQ;
+}
+
+
+/*
+ * upap_sresp - Send a response (ack or nak).
+ */
+static void
+upap_sresp(upap_state *u, u_char code, u_char id, char *msg, int msglen)
+{
+  u_char *outp;
+  int outlen;
+
+  outlen = UPAP_HEADERLEN + sizeof (u_char) + msglen;
+  outp = outpacket_buf[u->us_unit];
+  MAKEHEADER(outp, PPP_PAP);
+
+  PUTCHAR(code, outp);
+  PUTCHAR(id, outp);
+  PUTSHORT(outlen, outp);
+  PUTCHAR(msglen, outp);
+  BCOPY(msg, outp, msglen);
+  pppWrite(u->us_unit, outpacket_buf[u->us_unit], outlen + PPP_HDRLEN);
+
+  UPAPDEBUG(LOG_INFO, ("pap_sresp: Sent code %d, id %d s=%d\n", code, id, u->us_clientstate));
+}
+
+#if PPP_ADDITIONAL_CALLBACKS
+static char *upap_codenames[] = {
+    "AuthReq", "AuthAck", "AuthNak"
+};
+
+/*
+ * upap_printpkt - print the contents of a PAP packet.
+ */
+static int upap_printpkt(
+  u_char *p,
+  int plen,
+  void (*printer) (void *, char *, ...),
+  void *arg
+)
+{
+  LWIP_UNUSED_ARG(p);
+  LWIP_UNUSED_ARG(plen);
+  LWIP_UNUSED_ARG(printer);
+  LWIP_UNUSED_ARG(arg);
+  return 0;
+}
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+
+#endif /* PAP_SUPPORT */
+
+#endif /* PPP_SUPPORT */
diff --git a/libraries/net/lwip/lwip/netif/ppp/pap.h b/libraries/net/lwip/lwip/netif/ppp/pap.h
new file mode 100644
index 0000000000..c99a204019
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/pap.h
@@ -0,0 +1,118 @@
+/*****************************************************************************
+* pap.h -  PPP Password Authentication Protocol header file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1997 Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-12-04 Guy Lancaster , Global Election Systems Inc.
+*   Original derived from BSD codes.
+*****************************************************************************/
+/*
+ * upap.h - User/Password Authentication Protocol definitions.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef PAP_H
+#define PAP_H
+
+#if PAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+/*
+ * Packet header = Code, id, length.
+ */
+#define UPAP_HEADERLEN (sizeof (u_char) + sizeof (u_char) + sizeof (u_short))
+
+
+/*
+ * UPAP codes.
+ */
+#define UPAP_AUTHREQ 1 /* Authenticate-Request */
+#define UPAP_AUTHACK 2 /* Authenticate-Ack */
+#define UPAP_AUTHNAK 3 /* Authenticate-Nak */
+
+/*
+ * Each interface is described by upap structure.
+ */
+typedef struct upap_state {
+  int us_unit;           /* Interface unit number */
+  const char *us_user;   /* User */
+  int us_userlen;        /* User length */
+  const char *us_passwd; /* Password */
+  int us_passwdlen;      /* Password length */
+  int us_clientstate;    /* Client state */
+  int us_serverstate;    /* Server state */
+  u_char us_id;          /* Current id */
+  int us_timeouttime;    /* Timeout (seconds) for auth-req retrans. */
+  int us_transmits;      /* Number of auth-reqs sent */
+  int us_maxtransmits;   /* Maximum number of auth-reqs to send */
+  int us_reqtimeout;     /* Time to wait for auth-req from peer */
+} upap_state;
+
+/*
+ * Client states.
+ */
+#define UPAPCS_INITIAL 0 /* Connection down */
+#define UPAPCS_CLOSED  1 /* Connection up, haven't requested auth */
+#define UPAPCS_PENDING 2 /* Connection down, have requested auth */
+#define UPAPCS_AUTHREQ 3 /* We've sent an Authenticate-Request */
+#define UPAPCS_OPEN    4 /* We've received an Ack */
+#define UPAPCS_BADAUTH 5 /* We've received a Nak */
+
+/*
+ * Server states.
+ */
+#define UPAPSS_INITIAL 0 /* Connection down */
+#define UPAPSS_CLOSED  1 /* Connection up, haven't requested auth */
+#define UPAPSS_PENDING 2 /* Connection down, have requested auth */
+#define UPAPSS_LISTEN  3 /* Listening for an Authenticate */
+#define UPAPSS_OPEN    4 /* We've sent an Ack */
+#define UPAPSS_BADAUTH 5 /* We've sent a Nak */
+
+
+extern upap_state upap[];
+
+void upap_authwithpeer  (int, char *, char *);
+void upap_authpeer      (int);
+
+extern struct protent pap_protent;
+
+#endif /* PAP_SUPPORT */
+
+#endif /* PAP_H */
diff --git a/libraries/net/lwip/lwip/netif/ppp/ppp.c b/libraries/net/lwip/lwip/netif/ppp/ppp.c
new file mode 100644
index 0000000000..fd35689734
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/ppp.c
@@ -0,0 +1,2030 @@
+/*****************************************************************************
+* ppp.c - Network Point to Point Protocol program file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1997 by Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-11-05 Guy Lancaster , Global Election Systems Inc.
+*   Original.
+*****************************************************************************/
+
+/*
+ * ppp_defs.h - PPP definitions.
+ *
+ * if_pppvar.h - private structures and declarations for PPP.
+ *
+ * Copyright (c) 1994 The Australian National University.
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation is hereby granted, provided that the above copyright
+ * notice appears in all copies.  This software is provided without any
+ * warranty, express or implied. The Australian National University
+ * makes no representations about the suitability of this software for
+ * any purpose.
+ *
+ * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY
+ * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
+ * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO
+ * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
+ * OR MODIFICATIONS.
+ */
+
+/*
+ * if_ppp.h - Point-to-Point Protocol definitions.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include "lwip/opt.h"
+
+#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/ip.h" /* for ip_input() */
+
+#include "ppp.h"
+#include "pppdebug.h"
+
+#include "randm.h"
+#include "fsm.h"
+#if PAP_SUPPORT
+#include "pap.h"
+#endif /* PAP_SUPPORT */
+#if CHAP_SUPPORT
+#include "chap.h"
+#endif /* CHAP_SUPPORT */
+#include "ipcp.h"
+#include "lcp.h"
+#include "magic.h"
+#include "auth.h"
+#if VJ_SUPPORT
+#include "vj.h"
+#endif /* VJ_SUPPORT */
+#if PPPOE_SUPPORT
+#include "netif/ppp_oe.h"
+#endif /* PPPOE_SUPPORT */
+
+#include "lwip/tcpip.h"
+#include "lwip/api.h"
+#include "lwip/snmp.h"
+
+#include 
+
+/*************************/
+/*** LOCAL DEFINITIONS ***/
+/*************************/
+
+/** PPP_INPROC_MULTITHREADED==1 call pppInput using tcpip_callback().
+ * Set this to 0 if pppInProc is called inside tcpip_thread or with NO_SYS==1.
+ * Default is 1 for NO_SYS==0 (multithreaded) and 0 for NO_SYS==1 (single-threaded).
+ */
+#ifndef PPP_INPROC_MULTITHREADED
+#define PPP_INPROC_MULTITHREADED (NO_SYS==0)
+#endif
+
+/** PPP_INPROC_OWNTHREAD==1: start a dedicated RX thread per PPP session.
+ * Default is 0: call pppos_input() for received raw characters, charcater
+ * reception is up to the port */
+#ifndef PPP_INPROC_OWNTHREAD
+#define PPP_INPROC_OWNTHREAD      PPP_INPROC_MULTITHREADED
+#endif
+
+#if PPP_INPROC_OWNTHREAD && !PPP_INPROC_MULTITHREADED
+  #error "PPP_INPROC_OWNTHREAD needs PPP_INPROC_MULTITHREADED==1"
+#endif
+
+/*
+ * The basic PPP frame.
+ */
+#define PPP_ADDRESS(p)  (((u_char *)(p))[0])
+#define PPP_CONTROL(p)  (((u_char *)(p))[1])
+#define PPP_PROTOCOL(p) ((((u_char *)(p))[2] << 8) + ((u_char *)(p))[3])
+
+/* PPP packet parser states.  Current state indicates operation yet to be
+ * completed. */
+typedef enum {
+  PDIDLE = 0,  /* Idle state - waiting. */
+  PDSTART,     /* Process start flag. */
+  PDADDRESS,   /* Process address field. */
+  PDCONTROL,   /* Process control field. */
+  PDPROTOCOL1, /* Process protocol field 1. */
+  PDPROTOCOL2, /* Process protocol field 2. */
+  PDDATA       /* Process data byte. */
+} PPPDevStates;
+
+#define ESCAPE_P(accm, c) ((accm)[(c) >> 3] & pppACCMMask[c & 0x07])
+
+/************************/
+/*** LOCAL DATA TYPES ***/
+/************************/
+
+/** RX buffer size: this may be configured smaller! */
+#ifndef PPPOS_RX_BUFSIZE
+#define PPPOS_RX_BUFSIZE    (PPP_MRU + PPP_HDRLEN)
+#endif
+
+typedef struct PPPControlRx_s {
+  /** unit number / ppp descriptor */
+  int pd;
+  /** the rx file descriptor */
+  sio_fd_t fd;
+  /** receive buffer - encoded data is stored here */
+  u_char rxbuf[PPPOS_RX_BUFSIZE];
+
+  /* The input packet. */
+  struct pbuf *inHead, *inTail;
+
+#if PPPOS_SUPPORT
+  u16_t inProtocol;             /* The input protocol code. */
+  u16_t inFCS;                  /* Input Frame Check Sequence value. */
+#endif /* PPPOS_SUPPORT */
+  PPPDevStates inState;         /* The input process state. */
+  char inEscaped;               /* Escape next character. */
+  ext_accm inACCM;              /* Async-Ctl-Char-Map for input. */
+} PPPControlRx;
+
+/*
+ * PPP interface control block.
+ */
+typedef struct PPPControl_s {
+  PPPControlRx rx;
+  char openFlag;                /* True when in use. */
+#if PPPOE_SUPPORT
+  struct netif *ethif;
+  struct pppoe_softc *pppoe_sc;
+#endif /* PPPOE_SUPPORT */
+  int  if_up;                   /* True when the interface is up. */
+  int  errCode;                 /* Code indicating why interface is down. */
+#if PPPOS_SUPPORT
+  sio_fd_t fd;                  /* File device ID of port. */
+#endif /* PPPOS_SUPPORT */
+  u16_t mtu;                    /* Peer's mru */
+  int  pcomp;                   /* Does peer accept protocol compression? */
+  int  accomp;                  /* Does peer accept addr/ctl compression? */
+  u_long lastXMit;              /* Time of last transmission. */
+  ext_accm outACCM;             /* Async-Ctl-Char-Map for output. */
+#if PPPOS_SUPPORT && VJ_SUPPORT
+  int  vjEnabled;               /* Flag indicating VJ compression enabled. */
+  struct vjcompress vjComp;     /* Van Jacobson compression header. */
+#endif /* PPPOS_SUPPORT && VJ_SUPPORT */
+
+  struct netif netif;
+
+  struct ppp_addrs addrs;
+
+  void (*linkStatusCB)(void *ctx, int errCode, void *arg);
+  void *linkStatusCtx;
+
+} PPPControl;
+
+
+/*
+ * Ioctl definitions.
+ */
+
+struct npioctl {
+  int         protocol; /* PPP procotol, e.g. PPP_IP */
+  enum NPmode mode;
+};
+
+
+
+/***********************************/
+/*** LOCAL FUNCTION DECLARATIONS ***/
+/***********************************/
+#if PPPOS_SUPPORT
+#if PPP_INPROC_OWNTHREAD
+static void pppInputThread(void *arg);
+#endif /* PPP_INPROC_OWNTHREAD */
+static void pppDrop(PPPControlRx *pcrx);
+static void pppInProc(PPPControlRx *pcrx, u_char *s, int l);
+#endif /* PPPOS_SUPPORT */
+
+
+/******************************/
+/*** PUBLIC DATA STRUCTURES ***/
+/******************************/
+u_long subnetMask;
+
+static PPPControl pppControl[NUM_PPP] __attribute((section("AHBSRAM1"))); /* The PPP interface control blocks. */
+
+sys_mbox_t pppMbox; //Used to signal PPP thread that a PPP session begins
+
+/*
+ * PPP Data Link Layer "protocol" table.
+ * One entry per supported protocol.
+ * The last entry must be NULL.
+ */
+struct protent *ppp_protocols[] = {
+  &lcp_protent,
+#if PAP_SUPPORT
+  &pap_protent,
+#endif /* PAP_SUPPORT */
+#if CHAP_SUPPORT
+  &chap_protent,
+#endif /* CHAP_SUPPORT */
+#if CBCP_SUPPORT
+  &cbcp_protent,
+#endif /* CBCP_SUPPORT */
+  &ipcp_protent,
+#if CCP_SUPPORT
+  &ccp_protent,
+#endif /* CCP_SUPPORT */
+  NULL
+};
+
+
+/*
+ * Buffers for outgoing packets.  This must be accessed only from the appropriate
+ * PPP task so that it doesn't need to be protected to avoid collisions.
+ */
+u_char outpacket_buf[NUM_PPP][PPP_MRU+PPP_HDRLEN] __attribute((section("AHBSRAM1")));
+
+
+/*****************************/
+/*** LOCAL DATA STRUCTURES ***/
+/*****************************/
+
+#if PPPOS_SUPPORT
+/*
+ * FCS lookup table as calculated by genfcstab.
+ * @todo: smaller, slower implementation for lower memory footprint?
+ */
+static const u_short fcstab[256] = {
+  0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
+  0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
+  0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
+  0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
+  0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
+  0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
+  0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
+  0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
+  0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
+  0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
+  0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
+  0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
+  0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
+  0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
+  0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
+  0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
+  0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
+  0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
+  0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
+  0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
+  0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
+  0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
+  0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
+  0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
+  0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
+  0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
+  0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
+  0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
+  0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
+  0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
+  0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
+  0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
+};
+
+/* PPP's Asynchronous-Control-Character-Map.  The mask array is used
+ * to select the specific bit for a character. */
+static u_char pppACCMMask[] = {
+  0x01,
+  0x02,
+  0x04,
+  0x08,
+  0x10,
+  0x20,
+  0x40,
+  0x80
+};
+
+/** Wake up the task blocked in reading from serial line (if any) */
+static void
+pppRecvWakeup(int pd)
+{
+  PPPDEBUG(LOG_DEBUG, ("pppRecvWakeup: unit %d\n", pd));
+  if (pppControl[pd].openFlag != 0) {
+    sio_read_abort(pppControl[pd].fd);
+  }
+}
+#endif /* PPPOS_SUPPORT */
+
+void
+pppLinkTerminated(int pd)
+{
+  PPPDEBUG(LOG_DEBUG, ("pppLinkTerminated: unit %d\n", pd));
+
+#if PPPOE_SUPPORT
+  if (pppControl[pd].ethif) {
+    pppoe_disconnect(pppControl[pd].pppoe_sc);
+  } else
+#endif /* PPPOE_SUPPORT */
+  {
+#if PPPOS_SUPPORT
+    PPPControl* pc;
+    pppRecvWakeup(pd);
+    pc = &pppControl[pd];
+
+    PPPDEBUG(LOG_DEBUG, ("pppLinkTerminated: unit %d: linkStatusCB=%p errCode=%d\n", pd, pc->linkStatusCB, pc->errCode));
+    if (pc->linkStatusCB) {
+      pc->linkStatusCB(pc->linkStatusCtx, pc->errCode ? pc->errCode : PPPERR_PROTOCOL, NULL);
+    }
+
+    pc->openFlag = 0;/**/
+#endif /* PPPOS_SUPPORT */
+  }
+  PPPDEBUG(LOG_DEBUG, ("pppLinkTerminated: finished.\n"));
+}
+
+void
+pppLinkDown(int pd)
+{
+  PPPDEBUG(LOG_DEBUG, ("pppLinkDown: unit %d\n", pd));
+
+#if PPPOE_SUPPORT
+  if (pppControl[pd].ethif) {
+    pppoe_disconnect(pppControl[pd].pppoe_sc);
+  } else
+#endif /* PPPOE_SUPPORT */
+  {
+#if PPPOS_SUPPORT
+    pppRecvWakeup(pd);
+#endif /* PPPOS_SUPPORT */
+  }
+}
+
+/** Initiate LCP open request */
+static void
+pppStart(int pd)
+{
+  PPPDEBUG(LOG_DEBUG, ("pppStart: unit %d\n", pd));
+  lcp_lowerup(pd);
+  lcp_open(pd); /* Start protocol */
+  PPPDEBUG(LOG_DEBUG, ("pppStart: finished\n"));
+}
+
+/** LCP close request */
+static void
+pppStop(int pd)
+{
+  PPPDEBUG(LOG_DEBUG, ("pppStop: unit %d\n", pd));
+  lcp_close(pd, "User request");
+}
+
+/** Called when carrier/link is lost */
+static void
+pppHup(int pd)
+{
+  PPPDEBUG(LOG_DEBUG, ("pppHupCB: unit %d\n", pd));
+  lcp_lowerdown(pd);
+  link_terminated(pd);
+}
+
+/***********************************/
+/*** PUBLIC FUNCTION DEFINITIONS ***/
+/***********************************/
+/* Initialize the PPP subsystem. */
+
+struct ppp_settings ppp_settings;
+
+void
+pppInit(void)
+{
+  struct protent *protp;
+  int i, j;
+
+  memset(&ppp_settings, 0, sizeof(ppp_settings));
+  ppp_settings.usepeerdns = 1;
+  pppSetAuth(PPPAUTHTYPE_NONE, NULL, NULL);
+
+  magicInit();
+
+  subnetMask = PP_HTONL(0xffffff00UL);
+
+  for (i = 0; i < NUM_PPP; i++) {
+    /* Initialize each protocol to the standard option set. */
+    for (j = 0; (protp = ppp_protocols[j]) != NULL; ++j) {
+      (*protp->init)(i);
+    }
+  }
+
+  sys_mbox_new(&pppMbox, 1);
+  sys_thread_new(PPP_THREAD_NAME, pppInputThread, (void*)NULL, PPP_THREAD_STACKSIZE, PPP_THREAD_PRIO); //Create PPP thread here
+}
+
+void
+pppSetAuth(enum pppAuthType authType, const char *user, const char *passwd)
+{
+  switch(authType) {
+    case PPPAUTHTYPE_NONE:
+    default:
+#ifdef LWIP_PPP_STRICT_PAP_REJECT
+      ppp_settings.refuse_pap = 1;
+#else  /* LWIP_PPP_STRICT_PAP_REJECT */
+      /* some providers request pap and accept an empty login/pw */
+      ppp_settings.refuse_pap = 0;
+#endif /* LWIP_PPP_STRICT_PAP_REJECT */
+      ppp_settings.refuse_chap = 1;
+      break;
+
+    case PPPAUTHTYPE_ANY:
+      /* Warning: Using PPPAUTHTYPE_ANY might have security consequences.
+       * RFC 1994 says:
+       *
+       * In practice, within or associated with each PPP server, there is a
+       * database which associates "user" names with authentication
+       * information ("secrets").  It is not anticipated that a particular
+       * named user would be authenticated by multiple methods.  This would
+       * make the user vulnerable to attacks which negotiate the least secure
+       * method from among a set (such as PAP rather than CHAP).  If the same
+       * secret was used, PAP would reveal the secret to be used later with
+       * CHAP.
+       *
+       * Instead, for each user name there should be an indication of exactly
+       * one method used to authenticate that user name.  If a user needs to
+       * make use of different authentication methods under different
+       * circumstances, then distinct user names SHOULD be employed, each of
+       * which identifies exactly one authentication method.
+       *
+       */
+      ppp_settings.refuse_pap = 0;
+      ppp_settings.refuse_chap = 0;
+      break;
+
+    case PPPAUTHTYPE_PAP:
+      ppp_settings.refuse_pap = 0;
+      ppp_settings.refuse_chap = 1;
+      break;
+
+    case PPPAUTHTYPE_CHAP:
+      ppp_settings.refuse_pap = 1;
+      ppp_settings.refuse_chap = 0;
+      break;
+  }
+
+  if(user) {
+    strncpy(ppp_settings.user, user, sizeof(ppp_settings.user)-1);
+    ppp_settings.user[sizeof(ppp_settings.user)-1] = '\0';
+  } else {
+    ppp_settings.user[0] = '\0';
+  }
+
+  if(passwd) {
+    strncpy(ppp_settings.passwd, passwd, sizeof(ppp_settings.passwd)-1);
+    ppp_settings.passwd[sizeof(ppp_settings.passwd)-1] = '\0';
+  } else {
+    ppp_settings.passwd[0] = '\0';
+  }
+}
+
+#if PPPOS_SUPPORT
+/** Open a new PPP connection using the given I/O device.
+ * This initializes the PPP control block but does not
+ * attempt to negotiate the LCP session.  If this port
+ * connects to a modem, the modem connection must be
+ * established before calling this.
+ * Return a new PPP connection descriptor on success or
+ * an error code (negative) on failure.
+ *
+ * pppOpen() is directly defined to this function.
+ */
+int
+pppOverSerialOpen(sio_fd_t fd, void (*linkStatusCB)(void *ctx, int errCode, void *arg), void *linkStatusCtx)
+{
+  PPPControl *pc;
+  int pd;
+
+  if (linkStatusCB == NULL) {
+    /* PPP is single-threaded: without a callback,
+     * there is no way to know when the link is up. */
+    return PPPERR_PARAM;
+  }
+
+  /* Find a free PPP session descriptor. */
+  for (pd = 0; pd < NUM_PPP && pppControl[pd].openFlag != 0; pd++);
+
+  if (pd >= NUM_PPP) {
+    pd = PPPERR_OPEN;
+  } else {
+    pc = &pppControl[pd];
+    /* @todo: is this correct or do I overwrite something? */
+    memset(pc, 0, sizeof(PPPControl));
+    pc->rx.pd = pd;
+    pc->rx.fd = fd;
+
+    pc->openFlag = 1;
+    pc->fd = fd;
+
+#if VJ_SUPPORT
+    vj_compress_init(&pc->vjComp);
+#endif /* VJ_SUPPORT */
+
+    /* 
+     * Default the in and out accm so that escape and flag characters
+     * are always escaped. 
+     */
+    pc->rx.inACCM[15] = 0x60; /* no need to protect since RX is not running */
+    pc->outACCM[15] = 0x60;
+
+    pc->linkStatusCB = linkStatusCB;
+    pc->linkStatusCtx = linkStatusCtx;
+
+    /*
+     * Start the connection and handle incoming events (packet or timeout).
+     */
+    PPPDEBUG(LOG_INFO, ("pppOverSerialOpen: unit %d: Connecting\n", pd));
+    pppStart(pd);
+#if PPP_INPROC_OWNTHREAD
+    sys_mbox_post(&pppMbox, (void*)&pc->rx);
+#endif
+  }
+
+  return pd;
+}
+#endif /* PPPOS_SUPPORT */
+
+#if PPPOE_SUPPORT
+static void pppOverEthernetLinkStatusCB(int pd, int up);
+
+void
+pppOverEthernetClose(int pd)
+{
+  PPPControl* pc = &pppControl[pd];
+
+  /* *TJL* There's no lcp_deinit */
+  lcp_close(pd, NULL);
+
+  pppoe_destroy(&pc->netif);
+}
+
+int pppOverEthernetOpen(struct netif *ethif, const char *service_name, const char *concentrator_name, void (*linkStatusCB)(void *ctx, int errCode, void *arg), void *linkStatusCtx)
+{
+  PPPControl *pc;
+  int pd;
+
+  LWIP_UNUSED_ARG(service_name);
+  LWIP_UNUSED_ARG(concentrator_name);
+
+  if (linkStatusCB == NULL) {
+    /* PPP is single-threaded: without a callback,
+     * there is no way to know when the link is up. */
+    return PPPERR_PARAM;
+  }
+
+  /* Find a free PPP session descriptor. Critical region? */
+  for (pd = 0; pd < NUM_PPP && pppControl[pd].openFlag != 0; pd++);
+  if (pd >= NUM_PPP) {
+    pd = PPPERR_OPEN;
+  } else {
+    pc = &pppControl[pd];
+    memset(pc, 0, sizeof(PPPControl));
+    pc->openFlag = 1;
+    pc->ethif = ethif;
+
+    pc->linkStatusCB  = linkStatusCB;
+    pc->linkStatusCtx = linkStatusCtx;
+
+    lcp_wantoptions[pd].mru = PPPOE_MAXMTU;
+    lcp_wantoptions[pd].neg_asyncmap = 0;
+    lcp_wantoptions[pd].neg_pcompression = 0;
+    lcp_wantoptions[pd].neg_accompression = 0;
+
+    lcp_allowoptions[pd].mru = PPPOE_MAXMTU;
+    lcp_allowoptions[pd].neg_asyncmap = 0;
+    lcp_allowoptions[pd].neg_pcompression = 0;
+    lcp_allowoptions[pd].neg_accompression = 0;
+
+    if(pppoe_create(ethif, pd, pppOverEthernetLinkStatusCB, &pc->pppoe_sc) != ERR_OK) {
+      pc->openFlag = 0;
+      return PPPERR_OPEN;
+    }
+
+    pppoe_connect(pc->pppoe_sc);
+  }
+
+  return pd;
+}
+#endif /* PPPOE_SUPPORT */
+
+
+/* Close a PPP connection and release the descriptor. 
+ * Any outstanding packets in the queues are dropped.
+ * Return 0 on success, an error code on failure. */
+int
+pppClose(int pd)
+{
+  PPPControl *pc = &pppControl[pd];
+  int st = 0;
+
+  PPPDEBUG(LOG_DEBUG, ("pppClose() called\n"));
+
+  /* Disconnect */
+#if PPPOE_SUPPORT
+  if(pc->ethif) {
+    PPPDEBUG(LOG_DEBUG, ("pppClose: unit %d kill_link -> pppStop\n", pd));
+    pc->errCode = PPPERR_USER;
+    /* This will leave us at PHASE_DEAD. */
+    pppStop(pd);
+  } else
+#endif /* PPPOE_SUPPORT */
+  {
+#if PPPOS_SUPPORT
+    PPPDEBUG(LOG_DEBUG, ("pppClose: unit %d kill_link -> pppStop\n", pd));
+    pc->errCode = PPPERR_USER;
+    /* This will leave us at PHASE_DEAD. */
+    pppStop(pd);
+    pppRecvWakeup(pd);
+#endif /* PPPOS_SUPPORT */
+  }
+
+  return st;
+}
+
+/* This function is called when carrier is lost on the PPP channel. */
+void
+pppSigHUP(int pd)
+{
+  PPPDEBUG(LOG_DEBUG, ("pppSigHUP: unit %d sig_hup -> pppHupCB\n", pd));
+  pppHup(pd);
+}
+
+#if PPPOS_SUPPORT
+static void
+nPut(PPPControl *pc, struct pbuf *nb)
+{
+  struct pbuf *b;
+  int c;
+
+  for(b = nb; b != NULL; b = b->next) {
+    if((c = sio_write(pc->fd, b->payload, b->len)) != b->len) {
+      PPPDEBUG(LOG_WARNING,
+               ("PPP nPut: incomplete sio_write(fd:%"SZT_F", len:%d, c: 0x%"X8_F") c = %d\n", (size_t)pc->fd, b->len, c, c));
+      LINK_STATS_INC(link.err);
+      pc->lastXMit = 0; /* prepend PPP_FLAG to next packet */
+      snmp_inc_ifoutdiscards(&pc->netif);
+      pbuf_free(nb);
+      return;
+    }
+  }
+
+  snmp_add_ifoutoctets(&pc->netif, nb->tot_len);
+  snmp_inc_ifoutucastpkts(&pc->netif);
+  pbuf_free(nb);
+  LINK_STATS_INC(link.xmit);
+}
+
+/* 
+ * pppAppend - append given character to end of given pbuf.  If outACCM
+ * is not NULL and the character needs to be escaped, do so.
+ * If pbuf is full, append another.
+ * Return the current pbuf.
+ */
+static struct pbuf *
+pppAppend(u_char c, struct pbuf *nb, ext_accm *outACCM)
+{
+  struct pbuf *tb = nb;
+  
+  /* Make sure there is room for the character and an escape code.
+   * Sure we don't quite fill the buffer if the character doesn't
+   * get escaped but is one character worth complicating this? */
+  /* Note: We assume no packet header. */
+  if (nb && (PBUF_POOL_BUFSIZE - nb->len) < 2) {
+    tb = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL);
+    if (tb) {
+      nb->next = tb;
+    } else {
+      LINK_STATS_INC(link.memerr);
+    }
+    nb = tb;
+  }
+
+  if (nb) {
+    if (outACCM && ESCAPE_P(*outACCM, c)) {
+      *((u_char*)nb->payload + nb->len++) = PPP_ESCAPE;
+      *((u_char*)nb->payload + nb->len++) = c ^ PPP_TRANS;
+    } else {
+      *((u_char*)nb->payload + nb->len++) = c;
+    }
+  }
+
+  return tb;
+}
+#endif /* PPPOS_SUPPORT */
+
+#if PPPOE_SUPPORT
+static err_t
+pppifOutputOverEthernet(int pd, struct pbuf *p)
+{
+  PPPControl *pc = &pppControl[pd];
+  struct pbuf *pb;
+  u_short protocol = PPP_IP;
+  int i=0;
+  u16_t tot_len;
+
+  /* @todo: try to use pbuf_header() here! */
+  pb = pbuf_alloc(PBUF_LINK, PPPOE_HDRLEN + sizeof(protocol), PBUF_RAM);
+  if(!pb) {
+    LINK_STATS_INC(link.memerr);
+    LINK_STATS_INC(link.proterr);
+    snmp_inc_ifoutdiscards(&pc->netif);
+    return ERR_MEM;
+  }
+
+  pbuf_header(pb, -(s16_t)PPPOE_HDRLEN);
+
+  pc->lastXMit = sys_jiffies();
+
+  if (!pc->pcomp || protocol > 0xFF) {
+    *((u_char*)pb->payload + i++) = (protocol >> 8) & 0xFF;
+  }
+  *((u_char*)pb->payload + i) = protocol & 0xFF;
+
+  pbuf_chain(pb, p);
+  tot_len = pb->tot_len;
+
+  if(pppoe_xmit(pc->pppoe_sc, pb) != ERR_OK) {
+    LINK_STATS_INC(link.err);
+    snmp_inc_ifoutdiscards(&pc->netif);
+    return PPPERR_DEVICE;
+  }
+
+  snmp_add_ifoutoctets(&pc->netif, tot_len);
+  snmp_inc_ifoutucastpkts(&pc->netif);
+  LINK_STATS_INC(link.xmit);
+  return ERR_OK;
+}
+#endif /* PPPOE_SUPPORT */
+
+/* Send a packet on the given connection. */
+static err_t
+pppifOutput(struct netif *netif, struct pbuf *pb, ip_addr_t *ipaddr)
+{
+  int pd = (int)(size_t)netif->state;
+  PPPControl *pc = &pppControl[pd];
+#if PPPOS_SUPPORT
+  u_short protocol = PPP_IP;
+  u_int fcsOut = PPP_INITFCS;
+  struct pbuf *headMB = NULL, *tailMB = NULL, *p;
+  u_char c;
+#endif /* PPPOS_SUPPORT */
+
+  LWIP_UNUSED_ARG(ipaddr);
+
+  /* Validate parameters. */
+  /* We let any protocol value go through - it can't hurt us
+   * and the peer will just drop it if it's not accepting it. */
+  if (pd < 0 || pd >= NUM_PPP || !pc->openFlag || !pb) {
+    PPPDEBUG(LOG_WARNING, ("pppifOutput[%d]: bad parms prot=%d pb=%p\n",
+              pd, PPP_IP, pb));
+    LINK_STATS_INC(link.opterr);
+    LINK_STATS_INC(link.drop);
+    snmp_inc_ifoutdiscards(netif);
+    return ERR_ARG;
+  }
+
+  /* Check that the link is up. */
+  if (lcp_phase[pd] == PHASE_DEAD) {
+    PPPDEBUG(LOG_ERR, ("pppifOutput[%d]: link not up\n", pd));
+    LINK_STATS_INC(link.rterr);
+    LINK_STATS_INC(link.drop);
+    snmp_inc_ifoutdiscards(netif);
+    return ERR_RTE;
+  }
+
+#if PPPOE_SUPPORT
+  if(pc->ethif) {
+    return pppifOutputOverEthernet(pd, pb);
+  }
+#endif /* PPPOE_SUPPORT */
+
+#if PPPOS_SUPPORT
+  /* Grab an output buffer. */
+  headMB = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL);
+  if (headMB == NULL) {
+    PPPDEBUG(LOG_WARNING, ("pppifOutput[%d]: first alloc fail\n", pd));
+    LINK_STATS_INC(link.memerr);
+    LINK_STATS_INC(link.drop);
+    snmp_inc_ifoutdiscards(netif);
+    return ERR_MEM;
+  }
+
+#if VJ_SUPPORT
+  /* 
+   * Attempt Van Jacobson header compression if VJ is configured and
+   * this is an IP packet. 
+   */
+  if (protocol == PPP_IP && pc->vjEnabled) {
+    switch (vj_compress_tcp(&pc->vjComp, pb)) {
+      case TYPE_IP:
+        /* No change...
+           protocol = PPP_IP_PROTOCOL; */
+        break;
+      case TYPE_COMPRESSED_TCP:
+        protocol = PPP_VJC_COMP;
+        break;
+      case TYPE_UNCOMPRESSED_TCP:
+        protocol = PPP_VJC_UNCOMP;
+        break;
+      default:
+        PPPDEBUG(LOG_WARNING, ("pppifOutput[%d]: bad IP packet\n", pd));
+        LINK_STATS_INC(link.proterr);
+        LINK_STATS_INC(link.drop);
+        snmp_inc_ifoutdiscards(netif);
+        pbuf_free(headMB);
+        return ERR_VAL;
+    }
+  }
+#endif /* VJ_SUPPORT */
+
+  tailMB = headMB;
+
+  /* Build the PPP header. */
+  if ((sys_jiffies() - pc->lastXMit) >= PPP_MAXIDLEFLAG) {
+    tailMB = pppAppend(PPP_FLAG, tailMB, NULL);
+  }
+
+  pc->lastXMit = sys_jiffies();
+  if (!pc->accomp) {
+    fcsOut = PPP_FCS(fcsOut, PPP_ALLSTATIONS);
+    tailMB = pppAppend(PPP_ALLSTATIONS, tailMB, &pc->outACCM);
+    fcsOut = PPP_FCS(fcsOut, PPP_UI);
+    tailMB = pppAppend(PPP_UI, tailMB, &pc->outACCM);
+  }
+  if (!pc->pcomp || protocol > 0xFF) {
+    c = (protocol >> 8) & 0xFF;
+    fcsOut = PPP_FCS(fcsOut, c);
+    tailMB = pppAppend(c, tailMB, &pc->outACCM);
+  }
+  c = protocol & 0xFF;
+  fcsOut = PPP_FCS(fcsOut, c);
+  tailMB = pppAppend(c, tailMB, &pc->outACCM);
+
+  /* Load packet. */
+  for(p = pb; p; p = p->next) {
+    int n;
+    u_char *sPtr;
+
+    sPtr = (u_char*)p->payload;
+    n = p->len;
+    while (n-- > 0) {
+      c = *sPtr++;
+
+      /* Update FCS before checking for special characters. */
+      fcsOut = PPP_FCS(fcsOut, c);
+      
+      /* Copy to output buffer escaping special characters. */
+      tailMB = pppAppend(c, tailMB, &pc->outACCM);
+    }
+  }
+
+  /* Add FCS and trailing flag. */
+  c = ~fcsOut & 0xFF;
+  tailMB = pppAppend(c, tailMB, &pc->outACCM);
+  c = (~fcsOut >> 8) & 0xFF;
+  tailMB = pppAppend(c, tailMB, &pc->outACCM);
+  tailMB = pppAppend(PPP_FLAG, tailMB, NULL);
+
+  /* If we failed to complete the packet, throw it away. */
+  if (!tailMB) {
+    PPPDEBUG(LOG_WARNING,
+             ("pppifOutput[%d]: Alloc err - dropping proto=%d\n", 
+              pd, protocol));
+    pbuf_free(headMB);
+    LINK_STATS_INC(link.memerr);
+    LINK_STATS_INC(link.drop);
+    snmp_inc_ifoutdiscards(netif);
+    return ERR_MEM;
+  }
+
+  /* Send it. */
+  PPPDEBUG(LOG_INFO, ("pppifOutput[%d]: proto=0x%"X16_F"\n", pd, protocol));
+
+  nPut(pc, headMB);
+#endif /* PPPOS_SUPPORT */
+
+  return ERR_OK;
+}
+
+/* Get and set parameters for the given connection.
+ * Return 0 on success, an error code on failure. */
+int
+pppIOCtl(int pd, int cmd, void *arg)
+{
+  PPPControl *pc = &pppControl[pd];
+  int st = 0;
+
+  if (pd < 0 || pd >= NUM_PPP) {
+    st = PPPERR_PARAM;
+  } else {
+    switch(cmd) {
+    case PPPCTLG_UPSTATUS:      /* Get the PPP up status. */
+      if (arg) {
+        *(int *)arg = (int)(pc->if_up);
+      } else {
+        st = PPPERR_PARAM;
+      }
+      break;
+    case PPPCTLS_ERRCODE:       /* Set the PPP error code. */
+      if (arg) {
+        pc->errCode = *(int *)arg;
+      } else {
+        st = PPPERR_PARAM;
+      }
+      break;
+    case PPPCTLG_ERRCODE:       /* Get the PPP error code. */
+      if (arg) {
+        *(int *)arg = (int)(pc->errCode);
+      } else {
+        st = PPPERR_PARAM;
+      }
+      break;
+#if PPPOS_SUPPORT
+    case PPPCTLG_FD:            /* Get the fd associated with the ppp */
+      if (arg) {
+        *(sio_fd_t *)arg = pc->fd;
+      } else {
+        st = PPPERR_PARAM;
+      }
+      break;
+#endif /* PPPOS_SUPPORT */
+    default:
+      st = PPPERR_PARAM;
+      break;
+    }
+  }
+
+  return st;
+}
+
+/*
+ * Return the Maximum Transmission Unit for the given PPP connection.
+ */
+u_short
+pppMTU(int pd)
+{
+  PPPControl *pc = &pppControl[pd];
+  u_short st;
+
+  /* Validate parameters. */
+  if (pd < 0 || pd >= NUM_PPP || !pc->openFlag) {
+    st = 0;
+  } else {
+    st = pc->mtu;
+  }
+
+  return st;
+}
+
+#if PPPOE_SUPPORT
+int
+pppWriteOverEthernet(int pd, const u_char *s, int n)
+{
+  PPPControl *pc = &pppControl[pd];
+  struct pbuf *pb;
+
+  /* skip address & flags */
+  s += 2;
+  n -= 2;
+
+  LWIP_ASSERT("PPPOE_HDRLEN + n <= 0xffff", PPPOE_HDRLEN + n <= 0xffff);
+  pb = pbuf_alloc(PBUF_LINK, (u16_t)(PPPOE_HDRLEN + n), PBUF_RAM);
+  if(!pb) {
+    LINK_STATS_INC(link.memerr);
+    LINK_STATS_INC(link.proterr);
+    snmp_inc_ifoutdiscards(&pc->netif);
+    return PPPERR_ALLOC;
+  }
+
+  pbuf_header(pb, -(s16_t)PPPOE_HDRLEN);
+
+  pc->lastXMit = sys_jiffies();
+
+  MEMCPY(pb->payload, s, n);
+
+  if(pppoe_xmit(pc->pppoe_sc, pb) != ERR_OK) {
+    LINK_STATS_INC(link.err);
+    snmp_inc_ifoutdiscards(&pc->netif);
+    return PPPERR_DEVICE;
+  }
+
+  snmp_add_ifoutoctets(&pc->netif, (u16_t)n);
+  snmp_inc_ifoutucastpkts(&pc->netif);
+  LINK_STATS_INC(link.xmit);
+  return PPPERR_NONE;
+}
+#endif /* PPPOE_SUPPORT */
+
+/*
+ * Write n characters to a ppp link.
+ *  RETURN: >= 0 Number of characters written
+ *           -1 Failed to write to device
+ */
+int
+pppWrite(int pd, const u_char *s, int n)
+{
+  PPPControl *pc = &pppControl[pd];
+#if PPPOS_SUPPORT
+  u_char c;
+  u_int fcsOut;
+  struct pbuf *headMB, *tailMB;
+#endif /* PPPOS_SUPPORT */
+
+#if PPPOE_SUPPORT
+  if(pc->ethif) {
+    return pppWriteOverEthernet(pd, s, n);
+  }
+#endif /* PPPOE_SUPPORT */
+
+#if PPPOS_SUPPORT
+  headMB = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL);
+  if (headMB == NULL) {
+    LINK_STATS_INC(link.memerr);
+    LINK_STATS_INC(link.proterr);
+    snmp_inc_ifoutdiscards(&pc->netif);
+    return PPPERR_ALLOC;
+  }
+
+  tailMB = headMB;
+
+  /* If the link has been idle, we'll send a fresh flag character to
+   * flush any noise. */
+  if ((sys_jiffies() - pc->lastXMit) >= PPP_MAXIDLEFLAG) {
+    tailMB = pppAppend(PPP_FLAG, tailMB, NULL);
+  }
+  pc->lastXMit = sys_jiffies();
+
+  fcsOut = PPP_INITFCS;
+  /* Load output buffer. */
+  while (n-- > 0) {
+    c = *s++;
+
+    /* Update FCS before checking for special characters. */
+    fcsOut = PPP_FCS(fcsOut, c);
+
+    /* Copy to output buffer escaping special characters. */
+    tailMB = pppAppend(c, tailMB, &pc->outACCM);
+  }
+    
+  /* Add FCS and trailing flag. */
+  c = ~fcsOut & 0xFF;
+  tailMB = pppAppend(c, tailMB, &pc->outACCM);
+  c = (~fcsOut >> 8) & 0xFF;
+  tailMB = pppAppend(c, tailMB, &pc->outACCM);
+  tailMB = pppAppend(PPP_FLAG, tailMB, NULL);
+
+  /* If we failed to complete the packet, throw it away.
+   * Otherwise send it. */
+  if (!tailMB) {
+    PPPDEBUG(LOG_WARNING,
+             ("pppWrite[%d]: Alloc err - dropping pbuf len=%d\n", pd, headMB->len));
+           /*"pppWrite[%d]: Alloc err - dropping %d:%.*H", pd, headMB->len, LWIP_MIN(headMB->len * 2, 40), headMB->payload)); */
+    pbuf_free(headMB);
+    LINK_STATS_INC(link.memerr);
+    LINK_STATS_INC(link.proterr);
+    snmp_inc_ifoutdiscards(&pc->netif);
+    return PPPERR_ALLOC;
+  }
+
+  PPPDEBUG(LOG_INFO, ("pppWrite[%d]: len=%d\n", pd, headMB->len));
+                   /* "pppWrite[%d]: %d:%.*H", pd, headMB->len, LWIP_MIN(headMB->len * 2, 40), headMB->payload)); */
+  nPut(pc, headMB);
+#endif /* PPPOS_SUPPORT */
+
+  return PPPERR_NONE;
+}
+
+/*
+ * ppp_send_config - configure the transmit characteristics of
+ * the ppp interface.
+ */
+void
+ppp_send_config( int unit, u16_t mtu, u32_t asyncmap, int pcomp, int accomp)
+{
+  PPPControl *pc = &pppControl[unit];
+  int i;
+  
+  pc->mtu = mtu;
+  pc->pcomp = pcomp;
+  pc->accomp = accomp;
+  
+  /* Load the ACCM bits for the 32 control codes. */
+  for (i = 0; i < 32/8; i++) {
+    pc->outACCM[i] = (u_char)((asyncmap >> (8 * i)) & 0xFF);
+  }
+  PPPDEBUG(LOG_INFO, ("ppp_send_config[%d]: outACCM=%X %X %X %X\n",
+            unit,
+            pc->outACCM[0], pc->outACCM[1], pc->outACCM[2], pc->outACCM[3]));
+}
+
+
+/*
+ * ppp_set_xaccm - set the extended transmit ACCM for the interface.
+ */
+void
+ppp_set_xaccm(int unit, ext_accm *accm)
+{
+  SMEMCPY(pppControl[unit].outACCM, accm, sizeof(ext_accm));
+  PPPDEBUG(LOG_INFO, ("ppp_set_xaccm[%d]: outACCM=%X %X %X %X\n",
+            unit,
+            pppControl[unit].outACCM[0],
+            pppControl[unit].outACCM[1],
+            pppControl[unit].outACCM[2],
+            pppControl[unit].outACCM[3]));
+}
+
+
+/*
+ * ppp_recv_config - configure the receive-side characteristics of
+ * the ppp interface.
+ */
+void
+ppp_recv_config( int unit, int mru, u32_t asyncmap, int pcomp, int accomp)
+{
+  PPPControl *pc = &pppControl[unit];
+  int i;
+  SYS_ARCH_DECL_PROTECT(lev);
+
+  LWIP_UNUSED_ARG(accomp);
+  LWIP_UNUSED_ARG(pcomp);
+  LWIP_UNUSED_ARG(mru);
+
+  /* Load the ACCM bits for the 32 control codes. */
+  SYS_ARCH_PROTECT(lev);
+  for (i = 0; i < 32 / 8; i++) {
+    /* @todo: does this work? ext_accm has been modified from pppd! */
+    pc->rx.inACCM[i] = (u_char)(asyncmap >> (i * 8));
+  }
+  SYS_ARCH_UNPROTECT(lev);
+  PPPDEBUG(LOG_INFO, ("ppp_recv_config[%d]: inACCM=%X %X %X %X\n",
+            unit,
+            pc->rx.inACCM[0], pc->rx.inACCM[1], pc->rx.inACCM[2], pc->rx.inACCM[3]));
+}
+
+#if 0
+/*
+ * ccp_test - ask kernel whether a given compression method
+ * is acceptable for use.  Returns 1 if the method and parameters
+ * are OK, 0 if the method is known but the parameters are not OK
+ * (e.g. code size should be reduced), or -1 if the method is unknown.
+ */
+int
+ccp_test( int unit, int opt_len,  int for_transmit, u_char *opt_ptr)
+{
+  return 0; /* XXX Currently no compression. */
+}
+
+/*
+ * ccp_flags_set - inform kernel about the current state of CCP.
+ */
+void
+ccp_flags_set(int unit, int isopen, int isup)
+{
+  /* XXX */
+}
+
+/*
+ * ccp_fatal_error - returns 1 if decompression was disabled as a
+ * result of an error detected after decompression of a packet,
+ * 0 otherwise.  This is necessary because of patent nonsense.
+ */
+int
+ccp_fatal_error(int unit)
+{
+  /* XXX */
+  return 0;
+}
+#endif
+
+/*
+ * get_idle_time - return how long the link has been idle.
+ */
+int
+get_idle_time(int u, struct ppp_idle *ip)
+{
+  /* XXX */
+  LWIP_UNUSED_ARG(u);
+  LWIP_UNUSED_ARG(ip);
+
+  return 0;
+}
+
+
+/*
+ * Return user specified netmask, modified by any mask we might determine
+ * for address `addr' (in network byte order).
+ * Here we scan through the system's list of interfaces, looking for
+ * any non-point-to-point interfaces which might appear to be on the same
+ * network as `addr'.  If we find any, we OR in their netmask to the
+ * user-specified netmask.
+ */
+u32_t
+GetMask(u32_t addr)
+{
+  u32_t mask, nmask;
+
+  htonl(addr);
+  if (IP_CLASSA(addr)) { /* determine network mask for address class */
+    nmask = IP_CLASSA_NET;
+  } else if (IP_CLASSB(addr)) {
+    nmask = IP_CLASSB_NET;
+  } else { 
+    nmask = IP_CLASSC_NET;
+  }
+
+  /* class D nets are disallowed by bad_ip_adrs */
+  mask = subnetMask | htonl(nmask);
+  
+  /* XXX
+   * Scan through the system's network interfaces.
+   * Get each netmask and OR them into our mask.
+   */
+
+  return mask;
+}
+
+/*
+ * sifvjcomp - config tcp header compression
+ */
+int
+sifvjcomp(int pd, int vjcomp, u8_t cidcomp, u8_t maxcid)
+{
+#if PPPOS_SUPPORT && VJ_SUPPORT
+  PPPControl *pc = &pppControl[pd];
+  
+  pc->vjEnabled = vjcomp;
+  pc->vjComp.compressSlot = cidcomp;
+  pc->vjComp.maxSlotIndex = maxcid;
+  PPPDEBUG(LOG_INFO, ("sifvjcomp: VJ compress enable=%d slot=%d max slot=%d\n",
+            vjcomp, cidcomp, maxcid));
+#else /* PPPOS_SUPPORT && VJ_SUPPORT */
+  LWIP_UNUSED_ARG(pd);
+  LWIP_UNUSED_ARG(vjcomp);
+  LWIP_UNUSED_ARG(cidcomp);
+  LWIP_UNUSED_ARG(maxcid);
+#endif /* PPPOS_SUPPORT && VJ_SUPPORT */
+
+  return 0;
+}
+
+/*
+ * pppifNetifInit - netif init callback
+ */
+static err_t
+pppifNetifInit(struct netif *netif)
+{
+  netif->name[0] = 'p';
+  netif->name[1] = 'p';
+  netif->output = pppifOutput;
+  netif->mtu = pppMTU((int)(size_t)netif->state);
+  netif->flags = NETIF_FLAG_POINTTOPOINT | NETIF_FLAG_LINK_UP;
+#if LWIP_NETIF_HOSTNAME
+  /* @todo: Initialize interface hostname */
+  /* netif_set_hostname(netif, "lwip"); */
+#endif /* LWIP_NETIF_HOSTNAME */
+  return ERR_OK;
+}
+
+
+/*
+ * sifup - Config the interface up and enable IP packets to pass.
+ */
+int
+sifup(int pd)
+{
+  PPPControl *pc = &pppControl[pd];
+  int st = 1;
+  
+  if (pd < 0 || pd >= NUM_PPP || !pc->openFlag) {
+    st = 0;
+    PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd));
+  } else {
+    netif_remove(&pc->netif);
+    if (netif_add(&pc->netif, &pc->addrs.our_ipaddr, &pc->addrs.netmask,
+                  &pc->addrs.his_ipaddr, (void *)(size_t)pd, pppifNetifInit, ip_input)) {
+      netif_set_up(&pc->netif);
+      pc->if_up = 1;
+      pc->errCode = PPPERR_NONE;
+
+      PPPDEBUG(LOG_DEBUG, ("sifup: unit %d: linkStatusCB=%p errCode=%d\n", pd, pc->linkStatusCB, pc->errCode));
+      if (pc->linkStatusCB) {
+        pc->linkStatusCB(pc->linkStatusCtx, pc->errCode, &pc->addrs);
+      }
+    } else {
+      st = 0;
+      PPPDEBUG(LOG_ERR, ("sifup[%d]: netif_add failed\n", pd));
+    }
+  }
+
+  return st;
+}
+
+/*
+ * sifnpmode - Set the mode for handling packets for a given NP.
+ */
+int
+sifnpmode(int u, int proto, enum NPmode mode)
+{
+  LWIP_UNUSED_ARG(u);
+  LWIP_UNUSED_ARG(proto);
+  LWIP_UNUSED_ARG(mode);
+  return 0;
+}
+
+/*
+ * sifdown - Config the interface down and disable IP.
+ */
+int
+sifdown(int pd)
+{
+  PPPControl *pc = &pppControl[pd];
+  int st = 1;
+  
+  if (pd < 0 || pd >= NUM_PPP || !pc->openFlag) {
+    st = 0;
+    PPPDEBUG(LOG_WARNING, ("sifdown[%d]: bad parms\n", pd));
+  } else {
+    pc->if_up = 0;
+    /* make sure the netif status callback is called */
+    netif_set_down(&pc->netif);
+    netif_remove(&pc->netif);
+    PPPDEBUG(LOG_DEBUG, ("sifdown: unit %d: linkStatusCB=%p errCode=%d\n", pd, pc->linkStatusCB, pc->errCode));
+    if (pc->linkStatusCB) {
+      pc->linkStatusCB(pc->linkStatusCtx, PPPERR_CONNECT, NULL);
+    }
+  }
+  return st;
+}
+
+/**
+ * sifaddr - Config the interface IP addresses and netmask.
+ * @param pd Interface unit ???
+ * @param o Our IP address ???
+ * @param h His IP address ???
+ * @param m IP subnet mask ???
+ * @param ns1 Primary DNS
+ * @param ns2 Secondary DNS
+ */
+int
+sifaddr( int pd, u32_t o, u32_t h, u32_t m, u32_t ns1, u32_t ns2)
+{
+  PPPControl *pc = &pppControl[pd];
+  int st = 1;
+  
+  if (pd < 0 || pd >= NUM_PPP || !pc->openFlag) {
+    st = 0;
+    PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd));
+  } else {
+    SMEMCPY(&pc->addrs.our_ipaddr, &o, sizeof(o));
+    SMEMCPY(&pc->addrs.his_ipaddr, &h, sizeof(h));
+    SMEMCPY(&pc->addrs.netmask, &m, sizeof(m));
+    SMEMCPY(&pc->addrs.dns1, &ns1, sizeof(ns1));
+    SMEMCPY(&pc->addrs.dns2, &ns2, sizeof(ns2));
+  }
+  return st;
+}
+
+/**
+ * cifaddr - Clear the interface IP addresses, and delete routes
+ * through the interface if possible.
+ * @param pd Interface unit ???
+ * @param o Our IP address ???
+ * @param h IP broadcast address ???
+ */
+int
+cifaddr( int pd, u32_t o, u32_t h)
+{
+  PPPControl *pc = &pppControl[pd];
+  int st = 1;
+  
+  LWIP_UNUSED_ARG(o);
+  LWIP_UNUSED_ARG(h);
+  if (pd < 0 || pd >= NUM_PPP || !pc->openFlag) {
+    st = 0;
+    PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd));
+  } else {
+    IP4_ADDR(&pc->addrs.our_ipaddr, 0,0,0,0);
+    IP4_ADDR(&pc->addrs.his_ipaddr, 0,0,0,0);
+    IP4_ADDR(&pc->addrs.netmask, 255,255,255,0);
+    IP4_ADDR(&pc->addrs.dns1, 0,0,0,0);
+    IP4_ADDR(&pc->addrs.dns2, 0,0,0,0);
+  }
+  return st;
+}
+
+/*
+ * sifdefaultroute - assign a default route through the address given.
+ */
+int
+sifdefaultroute(int pd, u32_t l, u32_t g)
+{
+  PPPControl *pc = &pppControl[pd];
+  int st = 1;
+
+  LWIP_UNUSED_ARG(l);
+  LWIP_UNUSED_ARG(g);
+
+  if (pd < 0 || pd >= NUM_PPP || !pc->openFlag) {
+    st = 0;
+    PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd));
+  } else {
+    netif_set_default(&pc->netif);
+  }
+
+  /* TODO: check how PPP handled the netMask, previously not set by ipSetDefault */
+
+  return st;
+}
+
+/*
+ * cifdefaultroute - delete a default route through the address given.
+ */
+int
+cifdefaultroute(int pd, u32_t l, u32_t g)
+{
+  PPPControl *pc = &pppControl[pd];
+  int st = 1;
+
+  LWIP_UNUSED_ARG(l);
+  LWIP_UNUSED_ARG(g);
+
+  if (pd < 0 || pd >= NUM_PPP || !pc->openFlag) {
+    st = 0;
+    PPPDEBUG(LOG_WARNING, ("sifup[%d]: bad parms\n", pd));
+  } else {
+    netif_set_default(NULL);
+  }
+
+  return st;
+}
+
+/**********************************/
+/*** LOCAL FUNCTION DEFINITIONS ***/
+/**********************************/
+
+#if PPPOS_SUPPORT && PPP_INPROC_OWNTHREAD
+/* The main PPP process function.  This implements the state machine according
+ * to section 4 of RFC 1661: The Point-To-Point Protocol. */
+static void
+pppInputThread(void *arg)
+{
+  int count;
+  PPPControlRx *pcrx = arg;
+
+  do
+  {
+  sys_arch_mbox_fetch(&pppMbox, (void**)&pcrx, 0); //Wait indefinitely
+
+  while (lcp_phase[pcrx->pd] != PHASE_DEAD) {
+    count = sio_read(pcrx->fd, pcrx->rxbuf, PPPOS_RX_BUFSIZE);
+    if(count > 0) {
+      pppInProc(pcrx, pcrx->rxbuf, count);
+    } else {
+      /* nothing received, give other tasks a chance to run */
+      sys_msleep(1);
+    }
+  }
+  } while(1); //Never terminates
+}
+#endif /* PPPOS_SUPPORT && PPP_INPROC_OWNTHREAD */
+
+#if PPPOE_SUPPORT
+
+void
+pppOverEthernetInitFailed(int pd)
+{
+  PPPControl* pc;
+
+  pppHup(pd);
+  pppStop(pd);
+
+  pc = &pppControl[pd];
+  pppoe_destroy(&pc->netif);
+  pc->openFlag = 0;
+
+  if(pc->linkStatusCB) {
+    pc->linkStatusCB(pc->linkStatusCtx, pc->errCode ? pc->errCode : PPPERR_PROTOCOL, NULL);
+  }
+}
+
+static void
+pppOverEthernetLinkStatusCB(int pd, int up)
+{
+  if(up) {
+    PPPDEBUG(LOG_INFO, ("pppOverEthernetLinkStatusCB: unit %d: Connecting\n", pd));
+    pppStart(pd);
+  } else {
+    pppOverEthernetInitFailed(pd);
+  }
+}
+#endif /* PPPOE_SUPPORT */
+
+struct pbuf *
+pppSingleBuf(struct pbuf *p)
+{
+  struct pbuf *q, *b;
+  u_char *pl;
+
+  if(p->tot_len == p->len) {
+    return p;
+  }
+
+  q = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM);
+  if(!q) {
+    PPPDEBUG(LOG_ERR,
+             ("pppSingleBuf: unable to alloc new buf (%d)\n", p->tot_len));
+    return p; /* live dangerously */
+  }
+
+  for(b = p, pl = q->payload; b != NULL; b = b->next) {
+    MEMCPY(pl, b->payload, b->len);
+    pl += b->len;
+  }
+
+  pbuf_free(p);
+
+  return q;
+}
+
+struct pppInputHeader {
+  int unit;
+  u16_t proto;
+};
+
+/*
+ * Pass the processed input packet to the appropriate handler.
+ * This function and all handlers run in the context of the tcpip_thread
+ */
+static void
+pppInput(void *arg)
+{
+  struct pbuf *nb = (struct pbuf *)arg;
+  u16_t protocol;
+  int pd;
+
+  pd = ((struct pppInputHeader *)nb->payload)->unit;
+  protocol = ((struct pppInputHeader *)nb->payload)->proto;
+    
+  if(pbuf_header(nb, -(int)sizeof(struct pppInputHeader))) {
+    LWIP_ASSERT("pbuf_header failed\n", 0);
+    goto drop;
+  }
+
+  LINK_STATS_INC(link.recv);
+  snmp_inc_ifinucastpkts(&pppControl[pd].netif);
+  snmp_add_ifinoctets(&pppControl[pd].netif, nb->tot_len);
+
+  /*
+   * Toss all non-LCP packets unless LCP is OPEN.
+   * Until we get past the authentication phase, toss all packets
+   * except LCP, LQR and authentication packets.
+   */
+  if((lcp_phase[pd] <= PHASE_AUTHENTICATE) && (protocol != PPP_LCP)) {
+    if(!((protocol == PPP_LQR) || (protocol == PPP_PAP) || (protocol == PPP_CHAP)) ||
+        (lcp_phase[pd] != PHASE_AUTHENTICATE)) {
+      PPPDEBUG(LOG_INFO, ("pppInput: discarding proto 0x%"X16_F" in phase %d\n", protocol, lcp_phase[pd]));
+      goto drop;
+    }
+  }
+
+  switch(protocol) {
+    case PPP_VJC_COMP:      /* VJ compressed TCP */
+#if PPPOS_SUPPORT && VJ_SUPPORT
+      PPPDEBUG(LOG_INFO, ("pppInput[%d]: vj_comp in pbuf len=%d\n", pd, nb->len));
+      /*
+       * Clip off the VJ header and prepend the rebuilt TCP/IP header and
+       * pass the result to IP.
+       */
+      if ((vj_uncompress_tcp(&nb, &pppControl[pd].vjComp) >= 0) && (pppControl[pd].netif.input)) {
+        pppControl[pd].netif.input(nb, &pppControl[pd].netif);
+        return;
+      }
+      /* Something's wrong so drop it. */
+      PPPDEBUG(LOG_WARNING, ("pppInput[%d]: Dropping VJ compressed\n", pd));
+#else  /* PPPOS_SUPPORT && VJ_SUPPORT */
+      /* No handler for this protocol so drop the packet. */
+      PPPDEBUG(LOG_INFO, ("pppInput[%d]: drop VJ Comp in %d:%s\n", pd, nb->len, nb->payload));
+#endif /* PPPOS_SUPPORT && VJ_SUPPORT */
+      break;
+
+    case PPP_VJC_UNCOMP:    /* VJ uncompressed TCP */
+#if PPPOS_SUPPORT && VJ_SUPPORT
+      PPPDEBUG(LOG_INFO, ("pppInput[%d]: vj_un in pbuf len=%d\n", pd, nb->len));
+      /*
+       * Process the TCP/IP header for VJ header compression and then pass
+       * the packet to IP.
+       */
+      if ((vj_uncompress_uncomp(nb, &pppControl[pd].vjComp) >= 0) && pppControl[pd].netif.input) {
+        pppControl[pd].netif.input(nb, &pppControl[pd].netif);
+        return;
+      }
+      /* Something's wrong so drop it. */
+      PPPDEBUG(LOG_WARNING, ("pppInput[%d]: Dropping VJ uncompressed\n", pd));
+#else  /* PPPOS_SUPPORT && VJ_SUPPORT */
+      /* No handler for this protocol so drop the packet. */
+      PPPDEBUG(LOG_INFO,
+               ("pppInput[%d]: drop VJ UnComp in %d:.*H\n", 
+                pd, nb->len, LWIP_MIN(nb->len * 2, 40), nb->payload));
+#endif /* PPPOS_SUPPORT && VJ_SUPPORT */
+      break;
+
+    case PPP_IP:            /* Internet Protocol */
+      PPPDEBUG(LOG_INFO, ("pppInput[%d]: ip in pbuf len=%d\n", pd, nb->len));
+      if (pppControl[pd].netif.input) {
+        pppControl[pd].netif.input(nb, &pppControl[pd].netif);
+        return;
+      }
+      break;
+
+    default: {
+      struct protent *protp;
+      int i;
+
+      /*
+       * Upcall the proper protocol input routine.
+       */
+      for (i = 0; (protp = ppp_protocols[i]) != NULL; ++i) {
+        if (protp->protocol == protocol && protp->enabled_flag) {
+          PPPDEBUG(LOG_INFO, ("pppInput[%d]: %s len=%d\n", pd, protp->name, nb->len));
+          nb = pppSingleBuf(nb);
+          (*protp->input)(pd, nb->payload, nb->len);
+          PPPDEBUG(LOG_DETAIL, ("pppInput[%d]: packet processed\n", pd));
+          goto out;
+        }
+      }
+
+      /* No handler for this protocol so reject the packet. */
+      PPPDEBUG(LOG_INFO, ("pppInput[%d]: rejecting unsupported proto 0x%"X16_F" len=%d\n", pd, protocol, nb->len));
+      if (pbuf_header(nb, sizeof(protocol))) {
+        LWIP_ASSERT("pbuf_header failed\n", 0);
+        goto drop;
+      }
+#if BYTE_ORDER == LITTLE_ENDIAN
+      protocol = htons(protocol);
+#endif /* BYTE_ORDER == LITTLE_ENDIAN */
+      SMEMCPY(nb->payload, &protocol, sizeof(protocol));
+      lcp_sprotrej(pd, nb->payload, nb->len);
+    }
+    break;
+  }
+
+drop:
+  LINK_STATS_INC(link.drop);
+  snmp_inc_ifindiscards(&pppControl[pd].netif);
+
+out:
+  pbuf_free(nb);
+  return;
+}
+
+#if PPPOS_SUPPORT
+/*
+ * Drop the input packet.
+ */
+static void
+pppDrop(PPPControlRx *pcrx)
+{
+  if (pcrx->inHead != NULL) {
+#if 0
+    PPPDEBUG(LOG_INFO, ("pppDrop: %d:%.*H\n", pcrx->inHead->len, min(60, pcrx->inHead->len * 2), pcrx->inHead->payload));
+#endif
+    PPPDEBUG(LOG_INFO, ("pppDrop: pbuf len=%d, addr %p\n", pcrx->inHead->len, (void*)pcrx->inHead));
+    if (pcrx->inTail && (pcrx->inTail != pcrx->inHead)) {
+      pbuf_free(pcrx->inTail);
+    }
+    pbuf_free(pcrx->inHead);
+    pcrx->inHead = NULL;
+    pcrx->inTail = NULL;
+  }
+#if VJ_SUPPORT
+  vj_uncompress_err(&pppControl[pcrx->pd].vjComp);
+#endif /* VJ_SUPPORT */
+
+  LINK_STATS_INC(link.drop);
+  snmp_inc_ifindiscards(&pppControl[pcrx->pd].netif);
+}
+
+/** Pass received raw characters to PPPoS to be decoded. This function is
+ * thread-safe and can be called from a dedicated RX-thread or from a main-loop.
+ *
+ * @param pd PPP descriptor index, returned by pppOpen()
+ * @param data received data
+ * @param len length of received data
+ */
+void
+pppos_input(int pd, u_char* data, int len)
+{
+  pppInProc(&pppControl[pd].rx, data, len);
+}
+
+/**
+ * Process a received octet string.
+ */
+static void
+pppInProc(PPPControlRx *pcrx, u_char *s, int l)
+{
+  struct pbuf *nextNBuf;
+  u_char curChar;
+  u_char escaped;
+  SYS_ARCH_DECL_PROTECT(lev);
+
+  PPPDEBUG(LOG_DEBUG, ("pppInProc[%d]: got %d bytes\n", pcrx->pd, l));
+  while (l-- > 0) {
+    curChar = *s++;
+
+    SYS_ARCH_PROTECT(lev);
+    escaped = ESCAPE_P(pcrx->inACCM, curChar);
+    SYS_ARCH_UNPROTECT(lev);
+    /* Handle special characters. */
+    if (escaped) {
+      /* Check for escape sequences. */
+      /* XXX Note that this does not handle an escaped 0x5d character which
+       * would appear as an escape character.  Since this is an ASCII ']'
+       * and there is no reason that I know of to escape it, I won't complicate
+       * the code to handle this case. GLL */
+      if (curChar == PPP_ESCAPE) {
+        pcrx->inEscaped = 1;
+      /* Check for the flag character. */
+      } else if (curChar == PPP_FLAG) {
+        /* If this is just an extra flag character, ignore it. */
+        if (pcrx->inState <= PDADDRESS) {
+          /* ignore it */;
+        /* If we haven't received the packet header, drop what has come in. */
+        } else if (pcrx->inState < PDDATA) {
+          PPPDEBUG(LOG_WARNING,
+                   ("pppInProc[%d]: Dropping incomplete packet %d\n", 
+                    pcrx->pd, pcrx->inState));
+          LINK_STATS_INC(link.lenerr);
+          pppDrop(pcrx);
+        /* If the fcs is invalid, drop the packet. */
+        } else if (pcrx->inFCS != PPP_GOODFCS) {
+          PPPDEBUG(LOG_INFO,
+                   ("pppInProc[%d]: Dropping bad fcs 0x%"X16_F" proto=0x%"X16_F"\n", 
+                    pcrx->pd, pcrx->inFCS, pcrx->inProtocol));
+          /* Note: If you get lots of these, check for UART frame errors or try different baud rate */
+          LINK_STATS_INC(link.chkerr);
+          pppDrop(pcrx);
+        /* Otherwise it's a good packet so pass it on. */
+        } else {
+          struct pbuf *inp;
+          /* Trim off the checksum. */
+          if(pcrx->inTail->len >= 2) {
+            pcrx->inTail->len -= 2;
+
+            pcrx->inTail->tot_len = pcrx->inTail->len;
+            if (pcrx->inTail != pcrx->inHead) {
+              pbuf_cat(pcrx->inHead, pcrx->inTail);
+            }
+          } else {
+            pcrx->inTail->tot_len = pcrx->inTail->len;
+            if (pcrx->inTail != pcrx->inHead) {
+              pbuf_cat(pcrx->inHead, pcrx->inTail);
+            }
+
+            pbuf_realloc(pcrx->inHead, pcrx->inHead->tot_len - 2);
+          }
+
+          /* Dispatch the packet thereby consuming it. */
+          inp = pcrx->inHead;
+          /* Packet consumed, release our references. */
+          pcrx->inHead = NULL;
+          pcrx->inTail = NULL;
+#if PPP_INPROC_MULTITHREADED
+          if(tcpip_callback_with_block(pppInput, inp, 0) != ERR_OK) {
+            PPPDEBUG(LOG_ERR, ("pppInProc[%d]: tcpip_callback() failed, dropping packet\n", pcrx->pd));
+            pbuf_free(inp);
+            LINK_STATS_INC(link.drop);
+            snmp_inc_ifindiscards(&pppControl[pcrx->pd].netif);
+          }
+#else /* PPP_INPROC_MULTITHREADED */
+          pppInput(inp);
+#endif /* PPP_INPROC_MULTITHREADED */
+        }
+
+        /* Prepare for a new packet. */
+        pcrx->inFCS = PPP_INITFCS;
+        pcrx->inState = PDADDRESS;
+        pcrx->inEscaped = 0;
+      /* Other characters are usually control characters that may have
+       * been inserted by the physical layer so here we just drop them. */
+      } else {
+        PPPDEBUG(LOG_WARNING,
+                 ("pppInProc[%d]: Dropping ACCM char <%d>\n", pcrx->pd, curChar));
+      }
+    /* Process other characters. */
+    } else {
+      /* Unencode escaped characters. */
+      if (pcrx->inEscaped) {
+        pcrx->inEscaped = 0;
+        curChar ^= PPP_TRANS;
+      }
+
+      /* Process character relative to current state. */
+      switch(pcrx->inState) {
+        case PDIDLE:                    /* Idle state - waiting. */
+          /* Drop the character if it's not 0xff
+           * we would have processed a flag character above. */
+          if (curChar != PPP_ALLSTATIONS) {
+            break;
+          }
+
+        /* Fall through */
+        case PDSTART:                   /* Process start flag. */
+          /* Prepare for a new packet. */
+          pcrx->inFCS = PPP_INITFCS;
+
+        /* Fall through */
+        case PDADDRESS:                 /* Process address field. */
+          if (curChar == PPP_ALLSTATIONS) {
+            pcrx->inState = PDCONTROL;
+            break;
+          }
+          /* Else assume compressed address and control fields so
+           * fall through to get the protocol... */
+        case PDCONTROL:                 /* Process control field. */
+          /* If we don't get a valid control code, restart. */
+          if (curChar == PPP_UI) {
+            pcrx->inState = PDPROTOCOL1;
+            break;
+          }
+#if 0
+          else {
+            PPPDEBUG(LOG_WARNING,
+                     ("pppInProc[%d]: Invalid control <%d>\n", pcrx->pd, curChar));
+            pcrx->inState = PDSTART;
+          }
+#endif
+        case PDPROTOCOL1:               /* Process protocol field 1. */
+          /* If the lower bit is set, this is the end of the protocol
+           * field. */
+          if (curChar & 1) {
+            pcrx->inProtocol = curChar;
+            pcrx->inState = PDDATA;
+          } else {
+            pcrx->inProtocol = (u_int)curChar << 8;
+            pcrx->inState = PDPROTOCOL2;
+          }
+          break;
+        case PDPROTOCOL2:               /* Process protocol field 2. */
+          pcrx->inProtocol |= curChar;
+          pcrx->inState = PDDATA;
+          break;
+        case PDDATA:                    /* Process data byte. */
+          /* Make space to receive processed data. */
+          if (pcrx->inTail == NULL || pcrx->inTail->len == PBUF_POOL_BUFSIZE) {
+            if (pcrx->inTail != NULL) {
+              pcrx->inTail->tot_len = pcrx->inTail->len;
+              if (pcrx->inTail != pcrx->inHead) {
+                pbuf_cat(pcrx->inHead, pcrx->inTail);
+                /* give up the inTail reference now */
+                pcrx->inTail = NULL;
+              }
+            }
+            /* If we haven't started a packet, we need a packet header. */
+            nextNBuf = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL);
+            if (nextNBuf == NULL) {
+              /* No free buffers.  Drop the input packet and let the
+               * higher layers deal with it.  Continue processing
+               * the received pbuf chain in case a new packet starts. */
+              PPPDEBUG(LOG_ERR, ("pppInProc[%d]: NO FREE MBUFS!\n", pcrx->pd));
+              LINK_STATS_INC(link.memerr);
+              pppDrop(pcrx);
+              pcrx->inState = PDSTART;  /* Wait for flag sequence. */
+              break;
+            }
+            if (pcrx->inHead == NULL) {
+              struct pppInputHeader *pih = nextNBuf->payload;
+
+              pih->unit = pcrx->pd;
+              pih->proto = pcrx->inProtocol;
+
+              nextNBuf->len += sizeof(*pih);
+
+              pcrx->inHead = nextNBuf;
+            }
+            pcrx->inTail = nextNBuf;
+          }
+          /* Load character into buffer. */
+          ((u_char*)pcrx->inTail->payload)[pcrx->inTail->len++] = curChar;
+          break;
+      }
+
+      /* update the frame check sequence number. */
+      pcrx->inFCS = PPP_FCS(pcrx->inFCS, curChar);
+    }
+  } /* while (l-- > 0), all bytes processed */
+
+  avRandomize();
+}
+#endif /* PPPOS_SUPPORT */
+
+#if PPPOE_SUPPORT
+void
+pppInProcOverEthernet(int pd, struct pbuf *pb)
+{
+  struct pppInputHeader *pih;
+  u16_t inProtocol;
+
+  if(pb->len < sizeof(inProtocol)) {
+    PPPDEBUG(LOG_ERR, ("pppInProcOverEthernet: too small for protocol field\n"));
+    goto drop;
+  }
+
+  inProtocol = (((u8_t *)pb->payload)[0] << 8) | ((u8_t*)pb->payload)[1];
+
+  /* make room for pppInputHeader - should not fail */
+  if (pbuf_header(pb, sizeof(*pih) - sizeof(inProtocol)) != 0) {
+    PPPDEBUG(LOG_ERR, ("pppInProcOverEthernet: could not allocate room for header\n"));
+    goto drop;
+  }
+
+  pih = pb->payload;
+
+  pih->unit = pd;
+  pih->proto = inProtocol;
+
+  /* Dispatch the packet thereby consuming it. */
+  pppInput(pb);
+  return;
+
+drop:
+  LINK_STATS_INC(link.drop);
+  snmp_inc_ifindiscards(&pppControl[pd].netif);
+  pbuf_free(pb);
+  return;
+}
+#endif /* PPPOE_SUPPORT */
+
+#if LWIP_NETIF_STATUS_CALLBACK
+/** Set the status callback of a PPP's netif
+ *
+ * @param pd The PPP descriptor returned by pppOpen()
+ * @param status_callback pointer to the status callback function
+ *
+ * @see netif_set_status_callback
+ */
+void
+ppp_set_netif_statuscallback(int pd, netif_status_callback_fn status_callback)
+{
+  netif_set_status_callback(&pppControl[pd].netif, status_callback); 
+}
+#endif /* LWIP_NETIF_STATUS_CALLBACK */
+
+#if LWIP_NETIF_LINK_CALLBACK
+/** Set the link callback of a PPP's netif
+ *
+ * @param pd The PPP descriptor returned by pppOpen()
+ * @param link_callback pointer to the link callback function
+ *
+ * @see netif_set_link_callback
+ */
+void
+ppp_set_netif_linkcallback(int pd, netif_status_callback_fn link_callback)
+{
+  netif_set_link_callback(&pppControl[pd].netif, link_callback); 
+}
+#endif /* LWIP_NETIF_LINK_CALLBACK */
+
+#endif /* PPP_SUPPORT */
diff --git a/libraries/net/lwip/lwip/netif/ppp/ppp.h b/libraries/net/lwip/lwip/netif/ppp/ppp.h
new file mode 100644
index 0000000000..a72ac9576b
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/ppp.h
@@ -0,0 +1,483 @@
+/*****************************************************************************
+* ppp.h - Network Point to Point Protocol header file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1997 Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 97-11-05 Guy Lancaster , Global Election Systems Inc.
+*   Original derived from BSD codes.
+*****************************************************************************/
+
+#ifndef PPP_H
+#define PPP_H
+
+#include "lwip/opt.h"
+
+#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/def.h"
+#include "lwip/sio.h"
+#include "lwip/stats.h"
+#include "lwip/mem.h"
+#include "lwip/netif.h"
+#include "lwip/sys.h"
+#include "lwip/timers.h"
+
+/** Some defines for code we skip compared to the original pppd.
+ *  These are just here to minimise the use of the ugly "#if 0". */
+#define PPP_ADDITIONAL_CALLBACKS  0
+
+/** Some error checks to test for unsupported code */
+#if CBCP_SUPPORT
+#error "CBCP is not supported in lwIP PPP"
+#endif
+#if CCP_SUPPORT
+#error "CCP is not supported in lwIP PPP"
+#endif
+
+/*
+ * pppd.h - PPP daemon global declarations.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
+/*
+ * ppp_defs.h - PPP definitions.
+ *
+ * Copyright (c) 1994 The Australian National University.
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation is hereby granted, provided that the above copyright
+ * notice appears in all copies.  This software is provided without any
+ * warranty, express or implied. The Australian National University
+ * makes no representations about the suitability of this software for
+ * any purpose.
+ *
+ * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY
+ * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
+ * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO
+ * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
+ * OR MODIFICATIONS.
+ */
+
+#define TIMEOUT(f, a, t)    do { sys_untimeout((f), (a)); sys_timeout((t)*1000, (f), (a)); } while(0)
+#define UNTIMEOUT(f, a)     sys_untimeout((f), (a))
+
+
+#ifndef __u_char_defined
+
+/* Type definitions for BSD code. */
+typedef unsigned long  u_long;
+typedef unsigned int   u_int;
+typedef unsigned short u_short;
+typedef unsigned char  u_char;
+
+#endif
+
+/*
+ * Constants and structures defined by the internet system,
+ * Per RFC 790, September 1981, and numerous additions.
+ */
+
+/*
+ * The basic PPP frame.
+ */
+#define PPP_HDRLEN      4       /* octets for standard ppp header */
+#define PPP_FCSLEN      2       /* octets for FCS */
+
+
+/*
+ * Significant octet values.
+ */
+#define PPP_ALLSTATIONS 0xff    /* All-Stations broadcast address */
+#define PPP_UI          0x03    /* Unnumbered Information */
+#define PPP_FLAG        0x7e    /* Flag Sequence */
+#define PPP_ESCAPE      0x7d    /* Asynchronous Control Escape */
+#define PPP_TRANS       0x20    /* Asynchronous transparency modifier */
+
+/*
+ * Protocol field values.
+ */
+#define PPP_IP          0x21    /* Internet Protocol */
+#define PPP_AT          0x29    /* AppleTalk Protocol */
+#define PPP_VJC_COMP    0x2d    /* VJ compressed TCP */
+#define PPP_VJC_UNCOMP  0x2f    /* VJ uncompressed TCP */
+#define PPP_COMP        0xfd    /* compressed packet */
+#define PPP_IPCP        0x8021  /* IP Control Protocol */
+#define PPP_ATCP        0x8029  /* AppleTalk Control Protocol */
+#define PPP_CCP         0x80fd  /* Compression Control Protocol */
+#define PPP_LCP         0xc021  /* Link Control Protocol */
+#define PPP_PAP         0xc023  /* Password Authentication Protocol */
+#define PPP_LQR         0xc025  /* Link Quality Report protocol */
+#define PPP_CHAP        0xc223  /* Cryptographic Handshake Auth. Protocol */
+#define PPP_CBCP        0xc029  /* Callback Control Protocol */
+
+/*
+ * Values for FCS calculations.
+ */
+#define PPP_INITFCS     0xffff  /* Initial FCS value */
+#define PPP_GOODFCS     0xf0b8  /* Good final FCS value */
+#define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff])
+
+/*
+ * Extended asyncmap - allows any character to be escaped.
+ */
+typedef u_char  ext_accm[32];
+
+/*
+ * What to do with network protocol (NP) packets.
+ */
+enum NPmode {
+  NPMODE_PASS,        /* pass the packet through */
+  NPMODE_DROP,        /* silently drop the packet */
+  NPMODE_ERROR,       /* return an error */
+  NPMODE_QUEUE        /* save it up for later. */
+};
+
+/*
+ * Inline versions of get/put char/short/long.
+ * Pointer is advanced; we assume that both arguments
+ * are lvalues and will already be in registers.
+ * cp MUST be u_char *.
+ */
+#define GETCHAR(c, cp) { \
+    (c) = *(cp)++; \
+}
+#define PUTCHAR(c, cp) { \
+    *(cp)++ = (u_char) (c); \
+}
+
+
+#define GETSHORT(s, cp) { \
+    (s) = *(cp); (cp)++; (s) <<= 8; \
+    (s) |= *(cp); (cp)++; \
+}
+#define PUTSHORT(s, cp) { \
+    *(cp)++ = (u_char) ((s) >> 8); \
+    *(cp)++ = (u_char) (s & 0xff); \
+}
+
+#define GETLONG(l, cp) { \
+    (l) = *(cp); (cp)++; (l) <<= 8; \
+    (l) |= *(cp); (cp)++; (l) <<= 8; \
+    (l) |= *(cp); (cp)++; (l) <<= 8; \
+    (l) |= *(cp); (cp)++; \
+}
+#define PUTLONG(l, cp) { \
+    *(cp)++ = (u_char) ((l) >> 24); \
+    *(cp)++ = (u_char) ((l) >> 16); \
+    *(cp)++ = (u_char) ((l) >> 8); \
+    *(cp)++ = (u_char) (l); \
+}
+
+
+#define INCPTR(n, cp)   ((cp) += (n))
+#define DECPTR(n, cp)   ((cp) -= (n))
+
+#define BCMP(s0, s1, l)     memcmp((u_char *)(s0), (u_char *)(s1), (l))
+#define BCOPY(s, d, l)      MEMCPY((d), (s), (l))
+#define BZERO(s, n)         memset(s, 0, n)
+
+#if PPP_DEBUG
+#define PRINTMSG(m, l)  { m[l] = '\0'; LWIP_DEBUGF(LOG_INFO, ("Remote message: %s\n", m)); }
+#else  /* PPP_DEBUG */
+#define PRINTMSG(m, l)
+#endif /* PPP_DEBUG */
+
+/*
+ * MAKEHEADER - Add PPP Header fields to a packet.
+ */
+#define MAKEHEADER(p, t) { \
+    PUTCHAR(PPP_ALLSTATIONS, p); \
+    PUTCHAR(PPP_UI, p); \
+    PUTSHORT(t, p); }
+
+/*************************
+*** PUBLIC DEFINITIONS ***
+*************************/
+
+/* Error codes. */
+#define PPPERR_NONE      0 /* No error. */
+#define PPPERR_PARAM    -1 /* Invalid parameter. */
+#define PPPERR_OPEN     -2 /* Unable to open PPP session. */
+#define PPPERR_DEVICE   -3 /* Invalid I/O device for PPP. */
+#define PPPERR_ALLOC    -4 /* Unable to allocate resources. */
+#define PPPERR_USER     -5 /* User interrupt. */
+#define PPPERR_CONNECT  -6 /* Connection lost. */
+#define PPPERR_AUTHFAIL -7 /* Failed authentication challenge. */
+#define PPPERR_PROTOCOL -8 /* Failed to meet protocol. */
+
+/*
+ * PPP IOCTL commands.
+ */
+/*
+ * Get the up status - 0 for down, non-zero for up.  The argument must
+ * point to an int.
+ */
+#define PPPCTLG_UPSTATUS 100 /* Get the up status - 0 down else up */
+#define PPPCTLS_ERRCODE  101 /* Set the error code */
+#define PPPCTLG_ERRCODE  102 /* Get the error code */
+#define PPPCTLG_FD       103 /* Get the fd associated with the ppp */
+
+/************************
+*** PUBLIC DATA TYPES ***
+************************/
+
+/*
+ * The following struct gives the addresses of procedures to call
+ * for a particular protocol.
+ */
+struct protent {
+    u_short protocol;       /* PPP protocol number */
+    /* Initialization procedure */
+    void (*init) (int unit);
+    /* Process a received packet */
+    void (*input) (int unit, u_char *pkt, int len);
+    /* Process a received protocol-reject */
+    void (*protrej) (int unit);
+    /* Lower layer has come up */
+    void (*lowerup) (int unit);
+    /* Lower layer has gone down */
+    void (*lowerdown) (int unit);
+    /* Open the protocol */
+    void (*open) (int unit);
+    /* Close the protocol */
+    void (*close) (int unit, char *reason);
+#if PPP_ADDITIONAL_CALLBACKS
+    /* Print a packet in readable form */
+    int  (*printpkt) (u_char *pkt, int len,
+              void (*printer) (void *, char *, ...),
+              void *arg);
+    /* Process a received data packet */
+    void (*datainput) (int unit, u_char *pkt, int len);
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+    int  enabled_flag;      /* 0 if protocol is disabled */
+    char *name;         /* Text name of protocol */
+#if PPP_ADDITIONAL_CALLBACKS
+    /* Check requested options, assign defaults */
+    void (*check_options) (u_long);
+    /* Configure interface for demand-dial */
+    int  (*demand_conf) (int unit);
+    /* Say whether to bring up link for this pkt */
+    int  (*active_pkt) (u_char *pkt, int len);
+#endif /* PPP_ADDITIONAL_CALLBACKS */
+};
+
+/*
+ * The following structure records the time in seconds since
+ * the last NP packet was sent or received.
+ */
+struct ppp_idle {
+  u_short xmit_idle;      /* seconds since last NP packet sent */
+  u_short recv_idle;      /* seconds since last NP packet received */
+};
+
+struct ppp_settings {
+
+  u_int  disable_defaultip : 1;       /* Don't use hostname for default IP addrs */
+  u_int  auth_required     : 1;       /* Peer is required to authenticate */
+  u_int  explicit_remote   : 1;       /* remote_name specified with remotename opt */
+  u_int  refuse_pap        : 1;       /* Don't wanna auth. ourselves with PAP */
+  u_int  refuse_chap       : 1;       /* Don't wanna auth. ourselves with CHAP */
+  u_int  usehostname       : 1;       /* Use hostname for our_name */
+  u_int  usepeerdns        : 1;       /* Ask peer for DNS adds */
+
+  u_short idle_time_limit;            /* Shut down link if idle for this long */
+  int  maxconnect;                    /* Maximum connect time (seconds) */
+
+  char user       [MAXNAMELEN   + 1]; /* Username for PAP */
+  char passwd     [MAXSECRETLEN + 1]; /* Password for PAP, secret for CHAP */
+  char our_name   [MAXNAMELEN   + 1]; /* Our name for authentication purposes */
+  char remote_name[MAXNAMELEN   + 1]; /* Peer's name for authentication */
+};
+
+struct ppp_addrs {
+  ip_addr_t our_ipaddr, his_ipaddr, netmask, dns1, dns2;
+};
+
+/*****************************
+*** PUBLIC DATA STRUCTURES ***
+*****************************/
+
+/* Buffers for outgoing packets. */
+extern u_char outpacket_buf[NUM_PPP][PPP_MRU+PPP_HDRLEN];
+
+extern struct ppp_settings ppp_settings;
+
+extern struct protent *ppp_protocols[]; /* Table of pointers to supported protocols */
+
+
+/***********************
+*** PUBLIC FUNCTIONS ***
+***********************/
+
+/* Initialize the PPP subsystem. */
+void pppInit(void);
+
+/* Warning: Using PPPAUTHTYPE_ANY might have security consequences.
+ * RFC 1994 says:
+ *
+ * In practice, within or associated with each PPP server, there is a
+ * database which associates "user" names with authentication
+ * information ("secrets").  It is not anticipated that a particular
+ * named user would be authenticated by multiple methods.  This would
+ * make the user vulnerable to attacks which negotiate the least secure
+ * method from among a set (such as PAP rather than CHAP).  If the same
+ * secret was used, PAP would reveal the secret to be used later with
+ * CHAP.
+ *
+ * Instead, for each user name there should be an indication of exactly
+ * one method used to authenticate that user name.  If a user needs to
+ * make use of different authentication methods under different
+ * circumstances, then distinct user names SHOULD be employed, each of
+ * which identifies exactly one authentication method.
+ *
+ */
+enum pppAuthType {
+    PPPAUTHTYPE_NONE,
+    PPPAUTHTYPE_ANY,
+    PPPAUTHTYPE_PAP,
+    PPPAUTHTYPE_CHAP
+};
+
+void pppSetAuth(enum pppAuthType authType, const char *user, const char *passwd);
+
+/*
+ * Open a new PPP connection using the given serial I/O device.
+ * This initializes the PPP control block but does not
+ * attempt to negotiate the LCP session.
+ * Return a new PPP connection descriptor on success or
+ * an error code (negative) on failure. 
+ */
+int pppOverSerialOpen(sio_fd_t fd, void (*linkStatusCB)(void *ctx, int errCode, void *arg), void *linkStatusCtx);
+
+/*
+ * Open a new PPP Over Ethernet (PPPOE) connection.
+ */
+int pppOverEthernetOpen(struct netif *ethif, const char *service_name, const char *concentrator_name, void (*linkStatusCB)(void *ctx, int errCode, void *arg), void *linkStatusCtx);
+
+/* for source code compatibility */
+#define pppOpen(fd,cb,ls) pppOverSerialOpen(fd,cb,ls)
+
+/*
+ * Close a PPP connection and release the descriptor. 
+ * Any outstanding packets in the queues are dropped.
+ * Return 0 on success, an error code on failure. 
+ */
+int pppClose(int pd);
+
+/*
+ * Indicate to the PPP process that the line has disconnected.
+ */
+void pppSigHUP(int pd);
+
+/*
+ * Get and set parameters for the given connection.
+ * Return 0 on success, an error code on failure. 
+ */
+int  pppIOCtl(int pd, int cmd, void *arg);
+
+/*
+ * Return the Maximum Transmission Unit for the given PPP connection.
+ */
+u_short pppMTU(int pd);
+
+/*
+ * Write n characters to a ppp link.
+ * RETURN: >= 0 Number of characters written, -1 Failed to write to device.
+ */
+int pppWrite(int pd, const u_char *s, int n);
+
+void pppInProcOverEthernet(int pd, struct pbuf *pb);
+
+struct pbuf *pppSingleBuf(struct pbuf *p);
+
+void pppLinkTerminated(int pd);
+
+void pppLinkDown(int pd);
+
+void pppos_input(int pd, u_char* data, int len);
+
+/* Configure i/f transmit parameters */
+void ppp_send_config (int, u16_t, u32_t, int, int);
+/* Set extended transmit ACCM */
+void ppp_set_xaccm (int, ext_accm *);
+/* Configure i/f receive parameters */
+void ppp_recv_config (int, int, u32_t, int, int);
+/* Find out how long link has been idle */
+int  get_idle_time (int, struct ppp_idle *);
+
+/* Configure VJ TCP header compression */
+int  sifvjcomp (int, int, u8_t, u8_t);
+/* Configure i/f down (for IP) */
+int  sifup (int);
+/* Set mode for handling packets for proto */
+int  sifnpmode (int u, int proto, enum NPmode mode);
+/* Configure i/f down (for IP) */
+int  sifdown (int);
+/* Configure IP addresses for i/f */
+int  sifaddr (int, u32_t, u32_t, u32_t, u32_t, u32_t);
+/* Reset i/f IP addresses */
+int  cifaddr (int, u32_t, u32_t);
+/* Create default route through i/f */
+int  sifdefaultroute (int, u32_t, u32_t);
+/* Delete default route through i/f */
+int  cifdefaultroute (int, u32_t, u32_t);
+
+/* Get appropriate netmask for address */
+u32_t GetMask (u32_t); 
+
+#if LWIP_NETIF_STATUS_CALLBACK
+void ppp_set_netif_statuscallback(int pd, netif_status_callback_fn status_callback);
+#endif /* LWIP_NETIF_STATUS_CALLBACK */
+#if LWIP_NETIF_LINK_CALLBACK
+void ppp_set_netif_linkcallback(int pd, netif_status_callback_fn link_callback);
+#endif /* LWIP_NETIF_LINK_CALLBACK */
+
+#endif /* PPP_SUPPORT */
+
+#endif /* PPP_H */
diff --git a/libraries/net/lwip/lwip/netif/ppp/ppp_oe.c b/libraries/net/lwip/lwip/netif/ppp/ppp_oe.c
new file mode 100644
index 0000000000..040a0bc93c
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/ppp_oe.c
@@ -0,0 +1,1132 @@
+/*****************************************************************************
+* ppp_oe.c - PPP Over Ethernet implementation for lwIP.
+*
+* Copyright (c) 2006 by Marc Boucher, Services Informatiques (MBSI) inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 06-01-01 Marc Boucher 
+*   Ported to lwIP.
+*****************************************************************************/
+
+
+
+/* based on NetBSD: if_pppoe.c,v 1.64 2006/01/31 23:50:15 martin Exp */
+
+/*-
+ * Copyright (c) 2002 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Martin Husemann .
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "lwip/opt.h"
+
+#if PPPOE_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#include "netif/ppp_oe.h"
+
+#include "ppp.h"
+#include "pppdebug.h"
+
+#include "lwip/timers.h"
+#include "lwip/memp.h"
+
+#include 
+#include 
+
+
+/* Add a 16 bit unsigned value to a buffer pointed to by PTR */
+#define PPPOE_ADD_16(PTR, VAL) \
+    *(PTR)++ = (u8_t)((VAL) / 256);    \
+    *(PTR)++ = (u8_t)((VAL) % 256)
+
+/* Add a complete PPPoE header to the buffer pointed to by PTR */
+#define PPPOE_ADD_HEADER(PTR, CODE, SESS, LEN)  \
+    *(PTR)++ = PPPOE_VERTYPE;  \
+    *(PTR)++ = (CODE);         \
+    PPPOE_ADD_16(PTR, SESS);   \
+    PPPOE_ADD_16(PTR, LEN)
+
+#define PPPOE_DISC_TIMEOUT (5*1000)  /* base for quick timeout calculation */
+#define PPPOE_SLOW_RETRY   (60*1000) /* persistent retry interval */
+#define PPPOE_DISC_MAXPADI  4        /* retry PADI four times (quickly) */
+#define PPPOE_DISC_MAXPADR  2        /* retry PADR twice */
+
+#ifdef PPPOE_SERVER
+#error "PPPOE_SERVER is not yet supported under lwIP!"
+/* from if_spppsubr.c */
+#define IFF_PASSIVE IFF_LINK0 /* wait passively for connection */
+#endif
+
+#ifndef PPPOE_ERRORSTRING_LEN
+#define PPPOE_ERRORSTRING_LEN     64
+#endif
+static char pppoe_error_tmp[PPPOE_ERRORSTRING_LEN];
+
+
+/* input routines */
+static void pppoe_dispatch_disc_pkt(struct netif *, struct pbuf *);
+
+/* management routines */
+static int pppoe_do_disconnect(struct pppoe_softc *);
+static void pppoe_abort_connect(struct pppoe_softc *);
+static void pppoe_clear_softc(struct pppoe_softc *, const char *);
+
+/* internal timeout handling */
+static void pppoe_timeout(void *);
+
+/* sending actual protocol controll packets */
+static err_t pppoe_send_padi(struct pppoe_softc *);
+static err_t pppoe_send_padr(struct pppoe_softc *);
+#ifdef PPPOE_SERVER
+static err_t pppoe_send_pado(struct pppoe_softc *);
+static err_t pppoe_send_pads(struct pppoe_softc *);
+#endif
+static err_t pppoe_send_padt(struct netif *, u_int, const u8_t *);
+
+/* internal helper functions */
+static struct pppoe_softc * pppoe_find_softc_by_session(u_int, struct netif *);
+static struct pppoe_softc * pppoe_find_softc_by_hunique(u8_t *, size_t, struct netif *);
+
+/** linked list of created pppoe interfaces */
+static struct pppoe_softc *pppoe_softc_list;
+
+err_t
+pppoe_create(struct netif *ethif, int pd, void (*linkStatusCB)(int pd, int up), struct pppoe_softc **scptr)
+{
+  struct pppoe_softc *sc;
+
+  sc = (struct pppoe_softc *)memp_malloc(MEMP_PPPOE_IF);
+  if (sc == NULL) {
+    *scptr = NULL;
+    return ERR_MEM;
+  }
+  memset(sc, 0, sizeof(struct pppoe_softc));
+
+  /* changed to real address later */
+  MEMCPY(&sc->sc_dest, ethbroadcast.addr, sizeof(sc->sc_dest));
+
+  sc->sc_pd = pd;
+  sc->sc_linkStatusCB = linkStatusCB;
+  sc->sc_ethif = ethif;
+
+  /* put the new interface at the head of the list */
+  sc->next = pppoe_softc_list;
+  pppoe_softc_list = sc;
+
+  *scptr = sc;
+
+  return ERR_OK;
+}
+
+err_t
+pppoe_destroy(struct netif *ifp)
+{
+  struct pppoe_softc *sc, *prev = NULL;
+
+  for (sc = pppoe_softc_list; sc != NULL; prev = sc, sc = sc->next) {
+    if (sc->sc_ethif == ifp) {
+      break;
+    }
+  }
+
+  if(!(sc && (sc->sc_ethif == ifp))) {
+    return ERR_IF;
+  }
+
+  sys_untimeout(pppoe_timeout, sc);
+  if (prev == NULL) {
+    /* remove sc from the head of the list */
+    pppoe_softc_list = sc->next;
+  } else {
+    /* remove sc from the list */
+    prev->next = sc->next;
+  }
+
+#ifdef PPPOE_TODO
+  if (sc->sc_concentrator_name) {
+    mem_free(sc->sc_concentrator_name);
+  }
+  if (sc->sc_service_name) {
+    mem_free(sc->sc_service_name);
+  }
+#endif /* PPPOE_TODO */
+  memp_free(MEMP_PPPOE_IF, sc);
+
+  return ERR_OK;
+}
+
+/*
+ * Find the interface handling the specified session.
+ * Note: O(number of sessions open), this is a client-side only, mean
+ * and lean implementation, so number of open sessions typically should
+ * be 1.
+ */
+static struct pppoe_softc *
+pppoe_find_softc_by_session(u_int session, struct netif *rcvif)
+{
+  struct pppoe_softc *sc;
+
+  if (session == 0) {
+    return NULL;
+  }
+
+  for (sc = pppoe_softc_list; sc != NULL; sc = sc->next) {
+    if (sc->sc_state == PPPOE_STATE_SESSION
+        && sc->sc_session == session) {
+      if (sc->sc_ethif == rcvif) {
+        return sc;
+      } else {
+        return NULL;
+      }
+    }
+  }
+  return NULL;
+}
+
+/* Check host unique token passed and return appropriate softc pointer,
+ * or NULL if token is bogus. */
+static struct pppoe_softc *
+pppoe_find_softc_by_hunique(u8_t *token, size_t len, struct netif *rcvif)
+{
+  struct pppoe_softc *sc, *t;
+
+  if (pppoe_softc_list == NULL) {
+    return NULL;
+  }
+
+  if (len != sizeof sc) {
+    return NULL;
+  }
+  MEMCPY(&t, token, len);
+
+  for (sc = pppoe_softc_list; sc != NULL; sc = sc->next) {
+    if (sc == t) {
+      break;
+    }
+  }
+
+  if (sc == NULL) {
+    PPPDEBUG(LOG_DEBUG, ("pppoe: alien host unique tag, no session found\n"));
+    return NULL;
+  }
+
+  /* should be safe to access *sc now */
+  if (sc->sc_state < PPPOE_STATE_PADI_SENT || sc->sc_state >= PPPOE_STATE_SESSION) {
+    printf("%c%c%"U16_F": host unique tag found, but it belongs to a connection in state %d\n",
+      sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num, sc->sc_state);
+    return NULL;
+  }
+  if (sc->sc_ethif != rcvif) {
+    printf("%c%c%"U16_F": wrong interface, not accepting host unique\n",
+      sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num);
+    return NULL;
+  }
+  return sc;
+}
+
+static void
+pppoe_linkstatus_up(struct pppoe_softc *sc)
+{
+  sc->sc_linkStatusCB(sc->sc_pd, 1);
+}
+
+/* analyze and handle a single received packet while not in session state */
+static void
+pppoe_dispatch_disc_pkt(struct netif *netif, struct pbuf *pb)
+{
+  u16_t tag, len;
+  u16_t session, plen;
+  struct pppoe_softc *sc;
+  const char *err_msg;
+  char devname[6];
+  u8_t *ac_cookie;
+  u16_t ac_cookie_len;
+#ifdef PPPOE_SERVER
+  u8_t *hunique;
+  size_t hunique_len;
+#endif
+  struct pppoehdr *ph;
+  struct pppoetag pt;
+  int off, err, errortag;
+  struct eth_hdr *ethhdr;
+
+  pb = pppSingleBuf(pb);
+
+  strcpy(devname, "pppoe");  /* as long as we don't know which instance */
+  err_msg = NULL;
+  errortag = 0;
+  if (pb->len < sizeof(*ethhdr)) {
+    goto done;
+  }
+  ethhdr = (struct eth_hdr *)pb->payload;
+  off = sizeof(*ethhdr);
+
+  ac_cookie = NULL;
+  ac_cookie_len = 0;
+#ifdef PPPOE_SERVER
+  hunique = NULL;
+  hunique_len = 0;
+#endif
+  session = 0;
+  if (pb->len - off < PPPOE_HEADERLEN) {
+    printf("pppoe: packet too short: %d\n", pb->len);
+    goto done;
+  }
+
+  ph = (struct pppoehdr *) (ethhdr + 1);
+  if (ph->vertype != PPPOE_VERTYPE) {
+    printf("pppoe: unknown version/type packet: 0x%x\n", ph->vertype);
+    goto done;
+  }
+  session = ntohs(ph->session);
+  plen = ntohs(ph->plen);
+  off += sizeof(*ph);
+
+  if (plen + off > pb->len) {
+    printf("pppoe: packet content does not fit: data available = %d, packet size = %u\n",
+        pb->len - off, plen);
+    goto done;
+  }
+  if(pb->tot_len == pb->len) {
+    pb->tot_len = pb->len = (u16_t)off + plen; /* ignore trailing garbage */
+  }
+  tag = 0;
+  len = 0;
+  sc = NULL;
+  while (off + sizeof(pt) <= pb->len) {
+    MEMCPY(&pt, (u8_t*)pb->payload + off, sizeof(pt));
+    tag = ntohs(pt.tag);
+    len = ntohs(pt.len);
+    if (off + sizeof(pt) + len > pb->len) {
+      printf("pppoe: tag 0x%x len 0x%x is too long\n", tag, len);
+      goto done;
+    }
+    switch (tag) {
+      case PPPOE_TAG_EOL:
+        goto breakbreak;
+      case PPPOE_TAG_SNAME:
+        break;  /* ignored */
+      case PPPOE_TAG_ACNAME:
+        break;  /* ignored */
+      case PPPOE_TAG_HUNIQUE:
+        if (sc != NULL) {
+          break;
+        }
+#ifdef PPPOE_SERVER
+        hunique = (u8_t*)pb->payload + off + sizeof(pt);
+        hunique_len = len;
+#endif
+        sc = pppoe_find_softc_by_hunique((u8_t*)pb->payload + off + sizeof(pt), len, netif);
+        if (sc != NULL) {
+          snprintf(devname, sizeof(devname), "%c%c%"U16_F, sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num);
+        }
+        break;
+      case PPPOE_TAG_ACCOOKIE:
+        if (ac_cookie == NULL) {
+          ac_cookie = (u8_t*)pb->payload + off + sizeof(pt);
+          ac_cookie_len = len;
+        }
+        break;
+      case PPPOE_TAG_SNAME_ERR:
+        err_msg = "SERVICE NAME ERROR";
+        errortag = 1;
+        break;
+      case PPPOE_TAG_ACSYS_ERR:
+        err_msg = "AC SYSTEM ERROR";
+        errortag = 1;
+        break;
+      case PPPOE_TAG_GENERIC_ERR:
+        err_msg = "GENERIC ERROR";
+        errortag = 1;
+        break;
+    }
+    if (err_msg) {
+      if (errortag && len) {
+        u16_t error_len = LWIP_MIN(len, sizeof(pppoe_error_tmp)-1);
+        strncpy(pppoe_error_tmp, (char*)pb->payload + off + sizeof(pt), error_len);
+        pppoe_error_tmp[error_len-1] = '\0';
+        printf("%s: %s: %s\n", devname, err_msg, pppoe_error_tmp);
+      } else {
+        printf("%s: %s\n", devname, err_msg);
+      }
+      if (errortag) {
+        goto done;
+      }
+    }
+    off += sizeof(pt) + len;
+  }
+
+breakbreak:;
+  switch (ph->code) {
+    case PPPOE_CODE_PADI:
+#ifdef PPPOE_SERVER
+      /*
+       * got service name, concentrator name, and/or host unique.
+       * ignore if we have no interfaces with IFF_PASSIVE|IFF_UP.
+       */
+      if (LIST_EMPTY(&pppoe_softc_list)) {
+        goto done;
+      }
+      LIST_FOREACH(sc, &pppoe_softc_list, sc_list) {
+        if (!(sc->sc_sppp.pp_if.if_flags & IFF_UP)) {
+          continue;
+        }
+        if (!(sc->sc_sppp.pp_if.if_flags & IFF_PASSIVE)) {
+          continue;
+        }
+        if (sc->sc_state == PPPOE_STATE_INITIAL) {
+          break;
+        }
+      }
+      if (sc == NULL) {
+        /* printf("pppoe: free passive interface is not found\n"); */
+        goto done;
+      }
+      if (hunique) {
+        if (sc->sc_hunique) {
+          mem_free(sc->sc_hunique);
+        }
+        sc->sc_hunique = mem_malloc(hunique_len);
+        if (sc->sc_hunique == NULL) {
+          goto done;
+        }
+        sc->sc_hunique_len = hunique_len;
+        MEMCPY(sc->sc_hunique, hunique, hunique_len);
+      }
+      MEMCPY(&sc->sc_dest, eh->ether_shost, sizeof sc->sc_dest);
+      sc->sc_state = PPPOE_STATE_PADO_SENT;
+      pppoe_send_pado(sc);
+      break;
+#endif /* PPPOE_SERVER */
+    case PPPOE_CODE_PADR:
+#ifdef PPPOE_SERVER
+      /*
+       * get sc from ac_cookie if IFF_PASSIVE
+       */
+      if (ac_cookie == NULL) {
+        /* be quiet if there is not a single pppoe instance */
+        printf("pppoe: received PADR but not includes ac_cookie\n");
+        goto done;
+      }
+      sc = pppoe_find_softc_by_hunique(ac_cookie, ac_cookie_len, netif);
+      if (sc == NULL) {
+        /* be quiet if there is not a single pppoe instance */
+        if (!LIST_EMPTY(&pppoe_softc_list)) {
+          printf("pppoe: received PADR but could not find request for it\n");
+        }
+        goto done;
+      }
+      if (sc->sc_state != PPPOE_STATE_PADO_SENT) {
+        printf("%c%c%"U16_F": received unexpected PADR\n", sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num);
+        goto done;
+      }
+      if (hunique) {
+        if (sc->sc_hunique) {
+          mem_free(sc->sc_hunique);
+        }
+        sc->sc_hunique = mem_malloc(hunique_len);
+        if (sc->sc_hunique == NULL) {
+          goto done;
+        }
+        sc->sc_hunique_len = hunique_len;
+        MEMCPY(sc->sc_hunique, hunique, hunique_len);
+      }
+      pppoe_send_pads(sc);
+      sc->sc_state = PPPOE_STATE_SESSION;
+      pppoe_linkstatus_up(sc); /* notify upper layers */
+      break;
+#else
+      /* ignore, we are no access concentrator */
+      goto done;
+#endif /* PPPOE_SERVER */
+    case PPPOE_CODE_PADO:
+      if (sc == NULL) {
+        /* be quiet if there is not a single pppoe instance */
+        if (pppoe_softc_list != NULL) {
+          printf("pppoe: received PADO but could not find request for it\n");
+        }
+        goto done;
+      }
+      if (sc->sc_state != PPPOE_STATE_PADI_SENT) {
+        printf("%c%c%"U16_F": received unexpected PADO\n", sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num);
+        goto done;
+      }
+      if (ac_cookie) {
+        sc->sc_ac_cookie_len = ac_cookie_len;
+        MEMCPY(sc->sc_ac_cookie, ac_cookie, ac_cookie_len);
+      }
+      MEMCPY(&sc->sc_dest, ethhdr->src.addr, sizeof(sc->sc_dest.addr));
+      sys_untimeout(pppoe_timeout, sc);
+      sc->sc_padr_retried = 0;
+      sc->sc_state = PPPOE_STATE_PADR_SENT;
+      if ((err = pppoe_send_padr(sc)) != 0) {
+        PPPDEBUG(LOG_DEBUG, ("pppoe: %c%c%"U16_F": failed to send PADR, error=%d\n", sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num, err));
+      }
+      sys_timeout(PPPOE_DISC_TIMEOUT * (1 + sc->sc_padr_retried), pppoe_timeout, sc);
+      break;
+    case PPPOE_CODE_PADS:
+      if (sc == NULL) {
+        goto done;
+      }
+      sc->sc_session = session;
+      sys_untimeout(pppoe_timeout, sc);
+      PPPDEBUG(LOG_DEBUG, ("pppoe: %c%c%"U16_F": session 0x%x connected\n", sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num, session));
+      sc->sc_state = PPPOE_STATE_SESSION;
+      pppoe_linkstatus_up(sc); /* notify upper layers */
+      break;
+    case PPPOE_CODE_PADT:
+      if (sc == NULL) {
+        goto done;
+      }
+      pppoe_clear_softc(sc, "received PADT");
+      break;
+    default:
+      if(sc) {
+        printf("%c%c%"U16_F": unknown code (0x%"X16_F") session = 0x%"X16_F"\n",
+            sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num,
+            (u16_t)ph->code, session);
+      } else {
+        printf("pppoe: unknown code (0x%"X16_F") session = 0x%"X16_F"\n", (u16_t)ph->code, session);
+      }
+      break;
+  }
+
+done:
+  pbuf_free(pb);
+  return;
+}
+
+void
+pppoe_disc_input(struct netif *netif, struct pbuf *p)
+{
+  /* avoid error messages if there is not a single pppoe instance */
+  if (pppoe_softc_list != NULL) {
+    pppoe_dispatch_disc_pkt(netif, p);
+  } else {
+    pbuf_free(p);
+  }
+}
+
+void
+pppoe_data_input(struct netif *netif, struct pbuf *pb)
+{
+  u16_t session, plen;
+  struct pppoe_softc *sc;
+  struct pppoehdr *ph;
+#ifdef PPPOE_TERM_UNKNOWN_SESSIONS
+  u8_t shost[ETHER_ADDR_LEN];
+#endif
+
+#ifdef PPPOE_TERM_UNKNOWN_SESSIONS
+  MEMCPY(shost, ((struct eth_hdr *)pb->payload)->src.addr, sizeof(shost));
+#endif
+  if (pbuf_header(pb, -(int)sizeof(struct eth_hdr)) != 0) {
+    /* bail out */
+    PPPDEBUG(LOG_ERR, ("pppoe_data_input: pbuf_header failed\n"));
+    LINK_STATS_INC(link.lenerr);
+    goto drop;
+  } 
+
+  pb = pppSingleBuf (pb);
+
+  if (pb->len <= PPPOE_HEADERLEN) {
+    printf("pppoe (data): dropping too short packet: %d bytes\n", pb->len);
+    goto drop;
+  }
+
+  if (pb->len < sizeof(*ph)) {
+    printf("pppoe_data_input: could not get PPPoE header\n");
+    goto drop;
+  }
+  ph = (struct pppoehdr *)pb->payload;
+
+  if (ph->vertype != PPPOE_VERTYPE) {
+    printf("pppoe (data): unknown version/type packet: 0x%x\n", ph->vertype);
+    goto drop;
+  }
+  if (ph->code != 0) {
+    goto drop;
+  }
+
+  session = ntohs(ph->session);
+  sc = pppoe_find_softc_by_session(session, netif);
+  if (sc == NULL) {
+#ifdef PPPOE_TERM_UNKNOWN_SESSIONS
+    printf("pppoe: input for unknown session 0x%x, sending PADT\n", session);
+    pppoe_send_padt(netif, session, shost);
+#endif
+    goto drop;
+  }
+
+  plen = ntohs(ph->plen);
+
+  if (pbuf_header(pb, -(int)(PPPOE_HEADERLEN)) != 0) {
+    /* bail out */
+    PPPDEBUG(LOG_ERR, ("pppoe_data_input: pbuf_header PPPOE_HEADERLEN failed\n"));
+    LINK_STATS_INC(link.lenerr);
+    goto drop;
+  } 
+
+  PPPDEBUG(LOG_DEBUG, ("pppoe_data_input: %c%c%"U16_F": pkthdr.len=%d, pppoe.len=%d\n",
+        sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num,
+        pb->len, plen));
+
+  if (pb->len < plen) {
+    goto drop;
+  }
+
+  pppInProcOverEthernet(sc->sc_pd, pb);
+
+  return;
+
+drop:
+  pbuf_free(pb);
+}
+
+static err_t
+pppoe_output(struct pppoe_softc *sc, struct pbuf *pb)
+{
+  struct eth_hdr *ethhdr;
+  u16_t etype;
+  err_t res;
+
+  if (!sc->sc_ethif) {
+    pbuf_free(pb);
+    return ERR_IF;
+  }
+
+  ethhdr = (struct eth_hdr *)pb->payload;
+  etype = sc->sc_state == PPPOE_STATE_SESSION ? ETHTYPE_PPPOE : ETHTYPE_PPPOEDISC;
+  ethhdr->type = htons(etype);
+  MEMCPY(ethhdr->dest.addr, sc->sc_dest.addr, sizeof(ethhdr->dest.addr));
+  MEMCPY(ethhdr->src.addr, ((struct eth_addr *)sc->sc_ethif->hwaddr)->addr, sizeof(ethhdr->src.addr));
+
+  PPPDEBUG(LOG_DEBUG, ("pppoe: %c%c%"U16_F" (%x) state=%d, session=0x%x output -> %02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F", len=%d\n",
+      sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num, etype,
+      sc->sc_state, sc->sc_session,
+      sc->sc_dest.addr[0], sc->sc_dest.addr[1], sc->sc_dest.addr[2], sc->sc_dest.addr[3], sc->sc_dest.addr[4], sc->sc_dest.addr[5],
+      pb->tot_len));
+
+  res = sc->sc_ethif->linkoutput(sc->sc_ethif, pb);
+
+  pbuf_free(pb);
+
+  return res;
+}
+
+static err_t
+pppoe_send_padi(struct pppoe_softc *sc)
+{
+  struct pbuf *pb;
+  u8_t *p;
+  int len;
+#ifdef PPPOE_TODO
+  int l1 = 0, l2 = 0; /* XXX: gcc */
+#endif /* PPPOE_TODO */
+
+  if (sc->sc_state >PPPOE_STATE_PADI_SENT) {
+    PPPDEBUG(LOG_ERR, ("ERROR: pppoe_send_padi in state %d", sc->sc_state));
+  }
+
+  /* calculate length of frame (excluding ethernet header + pppoe header) */
+  len = 2 + 2 + 2 + 2 + sizeof sc;  /* service name tag is required, host unique is send too */
+#ifdef PPPOE_TODO
+  if (sc->sc_service_name != NULL) {
+    l1 = (int)strlen(sc->sc_service_name);
+    len += l1;
+  }
+  if (sc->sc_concentrator_name != NULL) {
+    l2 = (int)strlen(sc->sc_concentrator_name);
+    len += 2 + 2 + l2;
+  }
+#endif /* PPPOE_TODO */
+  LWIP_ASSERT("sizeof(struct eth_hdr) + PPPOE_HEADERLEN + len <= 0xffff",
+    sizeof(struct eth_hdr) + PPPOE_HEADERLEN + len <= 0xffff);
+
+  /* allocate a buffer */
+  pb = pbuf_alloc(PBUF_LINK, (u16_t)(sizeof(struct eth_hdr) + PPPOE_HEADERLEN + len), PBUF_RAM);
+  if (!pb) {
+    return ERR_MEM;
+  }
+  LWIP_ASSERT("pb->tot_len == pb->len", pb->tot_len == pb->len);
+
+  p = (u8_t*)pb->payload + sizeof (struct eth_hdr);
+  /* fill in pkt */
+  PPPOE_ADD_HEADER(p, PPPOE_CODE_PADI, 0, (u16_t)len);
+  PPPOE_ADD_16(p, PPPOE_TAG_SNAME);
+#ifdef PPPOE_TODO
+  if (sc->sc_service_name != NULL) {
+    PPPOE_ADD_16(p, l1);
+    MEMCPY(p, sc->sc_service_name, l1);
+    p += l1;
+  } else
+#endif /* PPPOE_TODO */
+  {
+    PPPOE_ADD_16(p, 0);
+  }
+#ifdef PPPOE_TODO
+  if (sc->sc_concentrator_name != NULL) {
+    PPPOE_ADD_16(p, PPPOE_TAG_ACNAME);
+    PPPOE_ADD_16(p, l2);
+    MEMCPY(p, sc->sc_concentrator_name, l2);
+    p += l2;
+  }
+#endif /* PPPOE_TODO */
+  PPPOE_ADD_16(p, PPPOE_TAG_HUNIQUE);
+  PPPOE_ADD_16(p, sizeof(sc));
+  MEMCPY(p, &sc, sizeof sc);
+
+  /* send pkt */
+  return pppoe_output(sc, pb);
+}
+
+static void
+pppoe_timeout(void *arg)
+{
+  int retry_wait, err;
+  struct pppoe_softc *sc = (struct pppoe_softc*)arg;
+
+  PPPDEBUG(LOG_DEBUG, ("pppoe: %c%c%"U16_F": timeout\n", sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num));
+
+  switch (sc->sc_state) {
+    case PPPOE_STATE_PADI_SENT:
+      /*
+       * We have two basic ways of retrying:
+       *  - Quick retry mode: try a few times in short sequence
+       *  - Slow retry mode: we already had a connection successfully
+       *    established and will try infinitely (without user
+       *    intervention)
+       * We only enter slow retry mode if IFF_LINK1 (aka autodial)
+       * is not set.
+       */
+
+      /* initialize for quick retry mode */
+      retry_wait = PPPOE_DISC_TIMEOUT * (1 + sc->sc_padi_retried);
+
+      sc->sc_padi_retried++;
+      if (sc->sc_padi_retried >= PPPOE_DISC_MAXPADI) {
+#if 0
+        if ((sc->sc_sppp.pp_if.if_flags & IFF_LINK1) == 0) {
+          /* slow retry mode */
+          retry_wait = PPPOE_SLOW_RETRY;
+        } else
+#endif
+        {
+          pppoe_abort_connect(sc);
+          return;
+        }
+      }
+      if ((err = pppoe_send_padi(sc)) != 0) {
+        sc->sc_padi_retried--;
+        PPPDEBUG(LOG_DEBUG, ("pppoe: %c%c%"U16_F": failed to transmit PADI, error=%d\n", sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num, err));
+      }
+      sys_timeout(retry_wait, pppoe_timeout, sc);
+      break;
+
+    case PPPOE_STATE_PADR_SENT:
+      sc->sc_padr_retried++;
+      if (sc->sc_padr_retried >= PPPOE_DISC_MAXPADR) {
+        MEMCPY(&sc->sc_dest, ethbroadcast.addr, sizeof(sc->sc_dest));
+        sc->sc_state = PPPOE_STATE_PADI_SENT;
+        sc->sc_padr_retried = 0;
+        if ((err = pppoe_send_padi(sc)) != 0) {
+          PPPDEBUG(LOG_DEBUG, ("pppoe: %c%c%"U16_F": failed to send PADI, error=%d\n", sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num, err));
+        }
+        sys_timeout(PPPOE_DISC_TIMEOUT * (1 + sc->sc_padi_retried), pppoe_timeout, sc);
+        return;
+      }
+      if ((err = pppoe_send_padr(sc)) != 0) {
+        sc->sc_padr_retried--;
+        PPPDEBUG(LOG_DEBUG, ("pppoe: %c%c%"U16_F": failed to send PADR, error=%d\n", sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num, err));
+      }
+      sys_timeout(PPPOE_DISC_TIMEOUT * (1 + sc->sc_padr_retried), pppoe_timeout, sc);
+      break;
+    case PPPOE_STATE_CLOSING:
+      pppoe_do_disconnect(sc);
+      break;
+    default:
+      return;  /* all done, work in peace */
+  }
+}
+
+/* Start a connection (i.e. initiate discovery phase) */
+int
+pppoe_connect(struct pppoe_softc *sc)
+{
+  int err;
+
+  if (sc->sc_state != PPPOE_STATE_INITIAL) {
+    return EBUSY;
+  }
+
+#ifdef PPPOE_SERVER
+  /* wait PADI if IFF_PASSIVE */
+  if ((sc->sc_sppp.pp_if.if_flags & IFF_PASSIVE)) {
+    return 0;
+  }
+#endif
+  /* save state, in case we fail to send PADI */
+  sc->sc_state = PPPOE_STATE_PADI_SENT;
+  sc->sc_padr_retried = 0;
+  err = pppoe_send_padi(sc);
+  PPPDEBUG(LOG_DEBUG, ("pppoe: %c%c%"U16_F": failed to send PADI, error=%d\n", sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num, err));
+  sys_timeout(PPPOE_DISC_TIMEOUT, pppoe_timeout, sc);
+  return err;
+}
+
+/* disconnect */
+void
+pppoe_disconnect(struct pppoe_softc *sc)
+{
+  if (sc->sc_state < PPPOE_STATE_SESSION) {
+    return;
+  }
+  /*
+   * Do not call pppoe_disconnect here, the upper layer state
+   * machine gets confused by this. We must return from this
+   * function and defer disconnecting to the timeout handler.
+   */
+  sc->sc_state = PPPOE_STATE_CLOSING;
+  sys_timeout(20, pppoe_timeout, sc);
+}
+
+static int
+pppoe_do_disconnect(struct pppoe_softc *sc)
+{
+  int err;
+
+  if (sc->sc_state < PPPOE_STATE_SESSION) {
+    err = EBUSY;
+  } else {
+    PPPDEBUG(LOG_DEBUG, ("pppoe: %c%c%"U16_F": disconnecting\n", sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num));
+    err = pppoe_send_padt(sc->sc_ethif, sc->sc_session, (const u8_t *)&sc->sc_dest);
+  }
+
+  /* cleanup softc */
+  sc->sc_state = PPPOE_STATE_INITIAL;
+  MEMCPY(&sc->sc_dest, ethbroadcast.addr, sizeof(sc->sc_dest));
+  sc->sc_ac_cookie_len = 0;
+#ifdef PPPOE_SERVER
+  if (sc->sc_hunique) {
+    mem_free(sc->sc_hunique);
+    sc->sc_hunique = NULL;
+  }
+  sc->sc_hunique_len = 0;
+#endif
+  sc->sc_session = 0;
+
+  sc->sc_linkStatusCB(sc->sc_pd, 0); /* notify upper layers */
+
+  return err;
+}
+
+/* Connection attempt aborted */
+static void
+pppoe_abort_connect(struct pppoe_softc *sc)
+{
+  printf("%c%c%"U16_F": could not establish connection\n", sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num);
+  sc->sc_state = PPPOE_STATE_CLOSING;
+
+  sc->sc_linkStatusCB(sc->sc_pd, 0); /* notify upper layers */
+
+  /* clear connection state */
+  MEMCPY(&sc->sc_dest, ethbroadcast.addr, sizeof(sc->sc_dest));
+  sc->sc_state = PPPOE_STATE_INITIAL;
+}
+
+/* Send a PADR packet */
+static err_t
+pppoe_send_padr(struct pppoe_softc *sc)
+{
+  struct pbuf *pb;
+  u8_t *p;
+  size_t len;
+#ifdef PPPOE_TODO
+  size_t l1 = 0; /* XXX: gcc */
+#endif /* PPPOE_TODO */
+
+  if (sc->sc_state != PPPOE_STATE_PADR_SENT) {
+    return ERR_CONN;
+  }
+
+  len = 2 + 2 + 2 + 2 + sizeof(sc);    /* service name, host unique */
+#ifdef PPPOE_TODO
+  if (sc->sc_service_name != NULL) {    /* service name tag maybe empty */
+    l1 = strlen(sc->sc_service_name);
+    len += l1;
+  }
+#endif /* PPPOE_TODO */
+  if (sc->sc_ac_cookie_len > 0) {
+    len += 2 + 2 + sc->sc_ac_cookie_len;  /* AC cookie */
+  }
+  LWIP_ASSERT("sizeof(struct eth_hdr) + PPPOE_HEADERLEN + len <= 0xffff",
+    sizeof(struct eth_hdr) + PPPOE_HEADERLEN + len <= 0xffff);
+  pb = pbuf_alloc(PBUF_LINK, (u16_t)(sizeof(struct eth_hdr) + PPPOE_HEADERLEN + len), PBUF_RAM);
+  if (!pb) {
+    return ERR_MEM;
+  }
+  LWIP_ASSERT("pb->tot_len == pb->len", pb->tot_len == pb->len);
+  p = (u8_t*)pb->payload + sizeof (struct eth_hdr);
+  PPPOE_ADD_HEADER(p, PPPOE_CODE_PADR, 0, len);
+  PPPOE_ADD_16(p, PPPOE_TAG_SNAME);
+#ifdef PPPOE_TODO
+  if (sc->sc_service_name != NULL) {
+    PPPOE_ADD_16(p, l1);
+    MEMCPY(p, sc->sc_service_name, l1);
+    p += l1;
+  } else
+#endif /* PPPOE_TODO */
+  {
+    PPPOE_ADD_16(p, 0);
+  }
+  if (sc->sc_ac_cookie_len > 0) {
+    PPPOE_ADD_16(p, PPPOE_TAG_ACCOOKIE);
+    PPPOE_ADD_16(p, sc->sc_ac_cookie_len);
+    MEMCPY(p, sc->sc_ac_cookie, sc->sc_ac_cookie_len);
+    p += sc->sc_ac_cookie_len;
+  }
+  PPPOE_ADD_16(p, PPPOE_TAG_HUNIQUE);
+  PPPOE_ADD_16(p, sizeof(sc));
+  MEMCPY(p, &sc, sizeof sc);
+
+  return pppoe_output(sc, pb);
+}
+
+/* send a PADT packet */
+static err_t
+pppoe_send_padt(struct netif *outgoing_if, u_int session, const u8_t *dest)
+{
+  struct pbuf *pb;
+  struct eth_hdr *ethhdr;
+  err_t res;
+  u8_t *p;
+
+  pb = pbuf_alloc(PBUF_LINK, sizeof(struct eth_hdr) + PPPOE_HEADERLEN, PBUF_RAM);
+  if (!pb) {
+    return ERR_MEM;
+  }
+  LWIP_ASSERT("pb->tot_len == pb->len", pb->tot_len == pb->len);
+
+  ethhdr = (struct eth_hdr *)pb->payload;
+  ethhdr->type = PP_HTONS(ETHTYPE_PPPOEDISC);
+  MEMCPY(ethhdr->dest.addr, dest, sizeof(ethhdr->dest.addr));
+  MEMCPY(ethhdr->src.addr, ((struct eth_addr *)outgoing_if->hwaddr)->addr, sizeof(ethhdr->src.addr));
+
+  p = (u8_t*)(ethhdr + 1);
+  PPPOE_ADD_HEADER(p, PPPOE_CODE_PADT, session, 0);
+
+  res = outgoing_if->linkoutput(outgoing_if, pb);
+
+  pbuf_free(pb);
+
+  return res;
+}
+
+#ifdef PPPOE_SERVER
+static err_t
+pppoe_send_pado(struct pppoe_softc *sc)
+{
+  struct pbuf *pb;
+  u8_t *p;
+  size_t len;
+
+  if (sc->sc_state != PPPOE_STATE_PADO_SENT) {
+    return ERR_CONN;
+  }
+
+  /* calc length */
+  len = 0;
+  /* include ac_cookie */
+  len += 2 + 2 + sizeof(sc);
+  /* include hunique */
+  len += 2 + 2 + sc->sc_hunique_len;
+  pb = pbuf_alloc(PBUF_LINK, sizeof(struct eth_hdr) + PPPOE_HEADERLEN + len, PBUF_RAM);
+  if (!pb) {
+    return ERR_MEM;
+  }
+  LWIP_ASSERT("pb->tot_len == pb->len", pb->tot_len == pb->len);
+  p = (u8_t*)pb->payload + sizeof (struct eth_hdr);
+  PPPOE_ADD_HEADER(p, PPPOE_CODE_PADO, 0, len);
+  PPPOE_ADD_16(p, PPPOE_TAG_ACCOOKIE);
+  PPPOE_ADD_16(p, sizeof(sc));
+  MEMCPY(p, &sc, sizeof(sc));
+  p += sizeof(sc);
+  PPPOE_ADD_16(p, PPPOE_TAG_HUNIQUE);
+  PPPOE_ADD_16(p, sc->sc_hunique_len);
+  MEMCPY(p, sc->sc_hunique, sc->sc_hunique_len);
+  return pppoe_output(sc, pb);
+}
+
+static err_t
+pppoe_send_pads(struct pppoe_softc *sc)
+{
+  struct pbuf *pb;
+  u8_t *p;
+  size_t len, l1 = 0;  /* XXX: gcc */
+
+  if (sc->sc_state != PPPOE_STATE_PADO_SENT) {
+    return ERR_CONN;
+  }
+
+  sc->sc_session = mono_time.tv_sec % 0xff + 1;
+  /* calc length */
+  len = 0;
+  /* include hunique */
+  len += 2 + 2 + 2 + 2 + sc->sc_hunique_len;  /* service name, host unique*/
+  if (sc->sc_service_name != NULL) {    /* service name tag maybe empty */
+    l1 = strlen(sc->sc_service_name);
+    len += l1;
+  }
+  pb = pbuf_alloc(PBUF_LINK, sizeof(struct eth_hdr) + PPPOE_HEADERLEN + len, PBUF_RAM);
+  if (!pb) {
+    return ERR_MEM;
+  }
+  LWIP_ASSERT("pb->tot_len == pb->len", pb->tot_len == pb->len);
+  p = (u8_t*)pb->payload + sizeof (struct eth_hdr);
+  PPPOE_ADD_HEADER(p, PPPOE_CODE_PADS, sc->sc_session, len);
+  PPPOE_ADD_16(p, PPPOE_TAG_SNAME);
+  if (sc->sc_service_name != NULL) {
+    PPPOE_ADD_16(p, l1);
+    MEMCPY(p, sc->sc_service_name, l1);
+    p += l1;
+  } else {
+    PPPOE_ADD_16(p, 0);
+  }
+  PPPOE_ADD_16(p, PPPOE_TAG_HUNIQUE);
+  PPPOE_ADD_16(p, sc->sc_hunique_len);
+  MEMCPY(p, sc->sc_hunique, sc->sc_hunique_len);
+  return pppoe_output(sc, pb);
+}
+#endif
+
+err_t
+pppoe_xmit(struct pppoe_softc *sc, struct pbuf *pb)
+{
+  u8_t *p;
+  size_t len;
+
+  /* are we ready to process data yet? */
+  if (sc->sc_state < PPPOE_STATE_SESSION) {
+    /*sppp_flush(&sc->sc_sppp.pp_if);*/
+    pbuf_free(pb);
+    return ERR_CONN;
+  }
+
+  len = pb->tot_len;
+
+  /* make room for Ethernet header - should not fail */
+  if (pbuf_header(pb, sizeof(struct eth_hdr) + PPPOE_HEADERLEN) != 0) {
+    /* bail out */
+    PPPDEBUG(LOG_ERR, ("pppoe: %c%c%"U16_F": pppoe_xmit: could not allocate room for header\n", sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num));
+    LINK_STATS_INC(link.lenerr);
+    pbuf_free(pb);
+    return ERR_BUF;
+  } 
+
+  p = (u8_t*)pb->payload + sizeof(struct eth_hdr);
+  PPPOE_ADD_HEADER(p, 0, sc->sc_session, len);
+
+  return pppoe_output(sc, pb);
+}
+
+#if 0 /*def PFIL_HOOKS*/
+static int
+pppoe_ifattach_hook(void *arg, struct pbuf **mp, struct netif *ifp, int dir)
+{
+  struct pppoe_softc *sc;
+  int s;
+
+  if (mp != (struct pbuf **)PFIL_IFNET_DETACH) {
+    return 0;
+  }
+
+  LIST_FOREACH(sc, &pppoe_softc_list, sc_list) {
+    if (sc->sc_ethif != ifp) {
+      continue;
+    }
+    if (sc->sc_sppp.pp_if.if_flags & IFF_UP) {
+      sc->sc_sppp.pp_if.if_flags &= ~(IFF_UP|IFF_RUNNING);
+      printf("%c%c%"U16_F": ethernet interface detached, going down\n",
+          sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num);
+    }
+    sc->sc_ethif = NULL;
+    pppoe_clear_softc(sc, "ethernet interface detached");
+  }
+
+  return 0;
+}
+#endif
+
+static void
+pppoe_clear_softc(struct pppoe_softc *sc, const char *message)
+{
+  LWIP_UNUSED_ARG(message);
+
+  /* stop timer */
+  sys_untimeout(pppoe_timeout, sc);
+  PPPDEBUG(LOG_DEBUG, ("pppoe: %c%c%"U16_F": session 0x%x terminated, %s\n", sc->sc_ethif->name[0], sc->sc_ethif->name[1], sc->sc_ethif->num, sc->sc_session, message));
+
+  /* fix our state */
+  sc->sc_state = PPPOE_STATE_INITIAL;
+
+  /* notify upper layers */
+  sc->sc_linkStatusCB(sc->sc_pd, 0);
+
+  /* clean up softc */
+  MEMCPY(&sc->sc_dest, ethbroadcast.addr, sizeof(sc->sc_dest));
+  sc->sc_ac_cookie_len = 0;
+  sc->sc_session = 0;
+}
+
+#endif /* PPPOE_SUPPORT */
+
diff --git a/libraries/net/lwip/lwip/netif/ppp/pppdebug.h b/libraries/net/lwip/lwip/netif/ppp/pppdebug.h
new file mode 100644
index 0000000000..81349971db
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/pppdebug.h
@@ -0,0 +1,73 @@
+/*****************************************************************************
+* pppdebug.h - System debugging utilities.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* portions Copyright (c) 1998 Global Election Systems Inc.
+* portions Copyright (c) 2001 by Cognizant Pty Ltd.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY (please don't use tabs!)
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 98-07-29 Guy Lancaster , Global Election Systems Inc.
+*   Original.
+*
+*****************************************************************************
+*/
+#ifndef PPPDEBUG_H
+#define PPPDEBUG_H
+
+/* Trace levels. */
+#define LOG_CRITICAL  (PPP_DEBUG | LWIP_DBG_LEVEL_SEVERE)
+#define LOG_ERR       (PPP_DEBUG | LWIP_DBG_LEVEL_SEVERE)
+#define LOG_NOTICE    (PPP_DEBUG | LWIP_DBG_LEVEL_WARNING)
+#define LOG_WARNING   (PPP_DEBUG | LWIP_DBG_LEVEL_WARNING)
+#define LOG_INFO      (PPP_DEBUG)
+#define LOG_DETAIL    (PPP_DEBUG)
+#define LOG_DEBUG     (PPP_DEBUG)
+
+
+#define TRACELCP PPP_DEBUG
+
+#if PPP_DEBUG
+
+#define AUTHDEBUG(a, b) LWIP_DEBUGF(a, b)
+#define IPCPDEBUG(a, b) LWIP_DEBUGF(a, b)
+#define UPAPDEBUG(a, b) LWIP_DEBUGF(a, b)
+#define LCPDEBUG(a, b)  LWIP_DEBUGF(a, b)
+#define FSMDEBUG(a, b)  LWIP_DEBUGF(a, b)
+#define CHAPDEBUG(a, b) LWIP_DEBUGF(a, b)
+#define PPPDEBUG(a, b)  LWIP_DEBUGF(a, b)
+
+#else /* PPP_DEBUG */
+
+#define AUTHDEBUG(a, b)
+#define IPCPDEBUG(a, b)
+#define UPAPDEBUG(a, b)
+#define LCPDEBUG(a, b)
+#define FSMDEBUG(a, b)
+#define CHAPDEBUG(a, b)
+#define PPPDEBUG(a, b)
+
+#endif /* PPP_DEBUG */
+
+#endif /* PPPDEBUG_H */
diff --git a/libraries/net/lwip/lwip/netif/ppp/randm.c b/libraries/net/lwip/lwip/netif/ppp/randm.c
new file mode 100644
index 0000000000..2f35caf6a0
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/randm.c
@@ -0,0 +1,249 @@
+/*****************************************************************************
+* randm.c - Random number generator program file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* Copyright (c) 1998 by Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 98-06-03 Guy Lancaster , Global Election Systems Inc.
+*   Extracted from avos.
+*****************************************************************************/
+
+#include "lwip/opt.h"
+
+#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#include "md5.h"
+#include "randm.h"
+
+#include "ppp.h"
+#include "pppdebug.h"
+
+#include 
+
+#if MD5_SUPPORT /* this module depends on MD5 */
+#define RANDPOOLSZ 16   /* Bytes stored in the pool of randomness. */
+
+/*****************************/
+/*** LOCAL DATA STRUCTURES ***/
+/*****************************/
+static char randPool[RANDPOOLSZ];   /* Pool of randomness. */
+static long randCount = 0;      /* Pseudo-random incrementer */
+
+
+/***********************************/
+/*** PUBLIC FUNCTION DEFINITIONS ***/
+/***********************************/
+/*
+ * Initialize the random number generator.
+ *
+ * Since this is to be called on power up, we don't have much
+ *  system randomess to work with.  Here all we use is the
+ *  real-time clock.  We'll accumulate more randomness as soon
+ *  as things start happening.
+ */
+void
+avRandomInit()
+{
+  avChurnRand(NULL, 0);
+}
+
+/*
+ * Churn the randomness pool on a random event.  Call this early and often
+ *  on random and semi-random system events to build randomness in time for
+ *  usage.  For randomly timed events, pass a null pointer and a zero length
+ *  and this will use the system timer and other sources to add randomness.
+ *  If new random data is available, pass a pointer to that and it will be
+ *  included.
+ *
+ * Ref: Applied Cryptography 2nd Ed. by Bruce Schneier p. 427
+ */
+void
+avChurnRand(char *randData, u32_t randLen)
+{
+  MD5_CTX md5;
+
+  /* LWIP_DEBUGF(LOG_INFO, ("churnRand: %u@%P\n", randLen, randData)); */
+  MD5Init(&md5);
+  MD5Update(&md5, (u_char *)randPool, sizeof(randPool));
+  if (randData) {
+    MD5Update(&md5, (u_char *)randData, randLen);
+  } else {
+    struct {
+      /* INCLUDE fields for any system sources of randomness */
+      char foobar;
+    } sysData;
+
+    /* Load sysData fields here. */
+    MD5Update(&md5, (u_char *)&sysData, sizeof(sysData));
+  }
+  MD5Final((u_char *)randPool, &md5);
+/*  LWIP_DEBUGF(LOG_INFO, ("churnRand: -> 0\n")); */
+}
+
+/*
+ * Use the random pool to generate random data.  This degrades to pseudo
+ *  random when used faster than randomness is supplied using churnRand().
+ * Note: It's important that there be sufficient randomness in randPool
+ *  before this is called for otherwise the range of the result may be
+ *  narrow enough to make a search feasible.
+ *
+ * Ref: Applied Cryptography 2nd Ed. by Bruce Schneier p. 427
+ *
+ * XXX Why does he not just call churnRand() for each block?  Probably
+ *  so that you don't ever publish the seed which could possibly help
+ *  predict future values.
+ * XXX Why don't we preserve md5 between blocks and just update it with
+ *  randCount each time?  Probably there is a weakness but I wish that
+ *  it was documented.
+ */
+void
+avGenRand(char *buf, u32_t bufLen)
+{
+  MD5_CTX md5;
+  u_char tmp[16];
+  u32_t n;
+
+  while (bufLen > 0) {
+    n = LWIP_MIN(bufLen, RANDPOOLSZ);
+    MD5Init(&md5);
+    MD5Update(&md5, (u_char *)randPool, sizeof(randPool));
+    MD5Update(&md5, (u_char *)&randCount, sizeof(randCount));
+    MD5Final(tmp, &md5);
+    randCount++;
+    MEMCPY(buf, tmp, n);
+    buf += n;
+    bufLen -= n;
+  }
+}
+
+/*
+ * Return a new random number.
+ */
+u32_t
+avRandom()
+{
+  u32_t newRand;
+
+  avGenRand((char *)&newRand, sizeof(newRand));
+
+  return newRand;
+}
+
+#else /* MD5_SUPPORT */
+
+/*****************************/
+/*** LOCAL DATA STRUCTURES ***/
+/*****************************/
+static int  avRandomized = 0;       /* Set when truely randomized. */
+static u32_t avRandomSeed = 0;      /* Seed used for random number generation. */
+
+
+/***********************************/
+/*** PUBLIC FUNCTION DEFINITIONS ***/
+/***********************************/
+/*
+ * Initialize the random number generator.
+ *
+ * Here we attempt to compute a random number seed but even if
+ * it isn't random, we'll randomize it later.
+ *
+ * The current method uses the fields from the real time clock,
+ * the idle process counter, the millisecond counter, and the
+ * hardware timer tick counter.  When this is invoked
+ * in startup(), then the idle counter and timer values may
+ * repeat after each boot and the real time clock may not be
+ * operational.  Thus we call it again on the first random
+ * event.
+ */
+void
+avRandomInit()
+{
+#if 0
+  /* Get a pointer into the last 4 bytes of clockBuf. */
+  u32_t *lptr1 = (u32_t *)((char *)&clockBuf[3]);
+
+  /*
+   * Initialize our seed using the real-time clock, the idle
+   * counter, the millisecond timer, and the hardware timer
+   * tick counter.  The real-time clock and the hardware
+   * tick counter are the best sources of randomness but
+   * since the tick counter is only 16 bit (and truncated
+   * at that), the idle counter and millisecond timer
+   * (which may be small values) are added to help
+   * randomize the lower 16 bits of the seed.
+   */
+  readClk();
+  avRandomSeed += *(u32_t *)clockBuf + *lptr1 + OSIdleCtr
+           + ppp_mtime() + ((u32_t)TM1 << 16) + TM1;
+#else
+  avRandomSeed += sys_jiffies(); /* XXX */
+#endif
+
+  /* Initialize the Borland random number generator. */
+  srand((unsigned)avRandomSeed);
+}
+
+/*
+ * Randomize our random seed value.  Here we use the fact that
+ * this function is called at *truely random* times by the polling
+ * and network functions.  Here we only get 16 bits of new random
+ * value but we use the previous value to randomize the other 16
+ * bits.
+ */
+void
+avRandomize(void)
+{
+  static u32_t last_jiffies;
+
+  if (!avRandomized) {
+    avRandomized = !0;
+    avRandomInit();
+    /* The initialization function also updates the seed. */
+  } else {
+    /* avRandomSeed += (avRandomSeed << 16) + TM1; */
+    avRandomSeed += (sys_jiffies() - last_jiffies); /* XXX */
+  }
+  last_jiffies = sys_jiffies();
+}
+
+/*
+ * Return a new random number.
+ * Here we use the Borland rand() function to supply a pseudo random
+ * number which we make truely random by combining it with our own
+ * seed which is randomized by truely random events. 
+ * Thus the numbers will be truely random unless there have been no
+ * operator or network events in which case it will be pseudo random
+ * seeded by the real time clock.
+ */
+u32_t
+avRandom()
+{
+  return ((((u32_t)rand() << 16) + rand()) + avRandomSeed);
+}
+
+#endif /* MD5_SUPPORT */
+
+#endif /* PPP_SUPPORT */
diff --git a/libraries/net/lwip/lwip/netif/ppp/randm.h b/libraries/net/lwip/lwip/netif/ppp/randm.h
new file mode 100644
index 0000000000..a0984b0202
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/randm.h
@@ -0,0 +1,81 @@
+/*****************************************************************************
+* randm.h - Random number generator header file.
+*
+* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
+* Copyright (c) 1998 Global Election Systems Inc.
+*
+* The authors hereby grant permission to use, copy, modify, distribute,
+* and license this software and its documentation for any purpose, provided
+* that existing copyright notices are retained in all copies and that this
+* notice and the following disclaimer are included verbatim in any 
+* distributions. No written agreement, license, or royalty fee is required
+* for any of the authorized uses.
+*
+* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
+* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+******************************************************************************
+* REVISION HISTORY
+*
+* 03-01-01 Marc Boucher 
+*   Ported to lwIP.
+* 98-05-29 Guy Lancaster , Global Election Systems Inc.
+*   Extracted from avos.
+*****************************************************************************/
+
+#ifndef RANDM_H
+#define RANDM_H
+
+/***********************
+*** PUBLIC FUNCTIONS ***
+***********************/
+/*
+ * Initialize the random number generator.
+ */
+void avRandomInit(void);
+
+/*
+ * Churn the randomness pool on a random event.  Call this early and often
+ * on random and semi-random system events to build randomness in time for
+ * usage.  For randomly timed events, pass a null pointer and a zero length
+ * and this will use the system timer and other sources to add randomness.
+ * If new random data is available, pass a pointer to that and it will be
+ * included.
+ */
+void avChurnRand(char *randData, u32_t randLen);
+
+/*
+ * Randomize our random seed value.  To be called for truely random events
+ * such as user operations and network traffic.
+ */
+#if MD5_SUPPORT
+#define avRandomize() avChurnRand(NULL, 0)
+#else  /* MD5_SUPPORT */
+void avRandomize(void);
+#endif /* MD5_SUPPORT */
+
+/*
+ * Use the random pool to generate random data.  This degrades to pseudo
+ * random when used faster than randomness is supplied using churnRand().
+ * Thus it's important to make sure that the results of this are not
+ * published directly because one could predict the next result to at
+ * least some degree.  Also, it's important to get a good seed before
+ * the first use.
+ */
+void avGenRand(char *buf, u32_t bufLen);
+
+/*
+ * Return a new random number.
+ */
+u32_t avRandom(void);
+
+
+#endif /* RANDM_H */
diff --git a/libraries/net/lwip/lwip/netif/ppp/vj.c b/libraries/net/lwip/lwip/netif/ppp/vj.c
new file mode 100644
index 0000000000..b7f2d54c62
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/vj.c
@@ -0,0 +1,652 @@
+/*
+ * Routines to compress and uncompess tcp packets (for transmission
+ * over low speed serial lines.
+ *
+ * Copyright (c) 1989 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Van Jacobson (van@helios.ee.lbl.gov), Dec 31, 1989:
+ *   Initial distribution.
+ *
+ * Modified June 1993 by Paul Mackerras, paulus@cs.anu.edu.au,
+ * so that the entire packet being decompressed doesn't have
+ * to be in contiguous memory (just the compressed header).
+ *
+ * Modified March 1998 by Guy Lancaster, glanca@gesn.com,
+ * for a 16 bit processor.
+ */
+
+#include "lwip/opt.h"
+
+#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
+
+#include "ppp.h"
+#include "pppdebug.h"
+
+#include "vj.h"
+
+#include 
+
+#if VJ_SUPPORT
+
+#if LINK_STATS
+#define INCR(counter) ++comp->stats.counter
+#else
+#define INCR(counter)
+#endif
+
+void
+vj_compress_init(struct vjcompress *comp)
+{
+  register u_char i;
+  register struct cstate *tstate = comp->tstate;
+  
+#if MAX_SLOTS == 0
+  memset((char *)comp, 0, sizeof(*comp));
+#endif
+  comp->maxSlotIndex = MAX_SLOTS - 1;
+  comp->compressSlot = 0;    /* Disable slot ID compression by default. */
+  for (i = MAX_SLOTS - 1; i > 0; --i) {
+    tstate[i].cs_id = i;
+    tstate[i].cs_next = &tstate[i - 1];
+  }
+  tstate[0].cs_next = &tstate[MAX_SLOTS - 1];
+  tstate[0].cs_id = 0;
+  comp->last_cs = &tstate[0];
+  comp->last_recv = 255;
+  comp->last_xmit = 255;
+  comp->flags = VJF_TOSS;
+}
+
+
+/* ENCODE encodes a number that is known to be non-zero.  ENCODEZ
+ * checks for zero (since zero has to be encoded in the long, 3 byte
+ * form).
+ */
+#define ENCODE(n) { \
+  if ((u_short)(n) >= 256) { \
+    *cp++ = 0; \
+    cp[1] = (u_char)(n); \
+    cp[0] = (u_char)((n) >> 8); \
+    cp += 2; \
+  } else { \
+    *cp++ = (u_char)(n); \
+  } \
+}
+#define ENCODEZ(n) { \
+  if ((u_short)(n) >= 256 || (u_short)(n) == 0) { \
+    *cp++ = 0; \
+    cp[1] = (u_char)(n); \
+    cp[0] = (u_char)((n) >> 8); \
+    cp += 2; \
+  } else { \
+    *cp++ = (u_char)(n); \
+  } \
+}
+
+#define DECODEL(f) { \
+  if (*cp == 0) {\
+    u32_t tmp = ntohl(f) + ((cp[1] << 8) | cp[2]); \
+    (f) = htonl(tmp); \
+    cp += 3; \
+  } else { \
+    u32_t tmp = ntohl(f) + (u32_t)*cp++; \
+    (f) = htonl(tmp); \
+  } \
+}
+
+#define DECODES(f) { \
+  if (*cp == 0) {\
+    u_short tmp = ntohs(f) + (((u_short)cp[1] << 8) | cp[2]); \
+    (f) = htons(tmp); \
+    cp += 3; \
+  } else { \
+    u_short tmp = ntohs(f) + (u_short)*cp++; \
+    (f) = htons(tmp); \
+  } \
+}
+
+#define DECODEU(f) { \
+  if (*cp == 0) {\
+    (f) = htons(((u_short)cp[1] << 8) | cp[2]); \
+    cp += 3; \
+  } else { \
+    (f) = htons((u_short)*cp++); \
+  } \
+}
+
+/*
+ * vj_compress_tcp - Attempt to do Van Jacobson header compression on a
+ * packet.  This assumes that nb and comp are not null and that the first
+ * buffer of the chain contains a valid IP header.
+ * Return the VJ type code indicating whether or not the packet was
+ * compressed.
+ */
+u_int
+vj_compress_tcp(struct vjcompress *comp, struct pbuf *pb)
+{
+  register struct ip_hdr *ip = (struct ip_hdr *)pb->payload;
+  register struct cstate *cs = comp->last_cs->cs_next;
+  register u_short hlen = IPH_HL(ip);
+  register struct tcp_hdr *oth;
+  register struct tcp_hdr *th;
+  register u_short deltaS, deltaA;
+  register u_long deltaL;
+  register u_int changes = 0;
+  u_char new_seq[16];
+  register u_char *cp = new_seq;
+
+  /*  
+   * Check that the packet is IP proto TCP.
+   */
+  if (IPH_PROTO(ip) != IP_PROTO_TCP) {
+    return (TYPE_IP);
+  }
+
+  /*
+   * Bail if this is an IP fragment or if the TCP packet isn't
+   * `compressible' (i.e., ACK isn't set or some other control bit is
+   * set).  
+   */
+  if ((IPH_OFFSET(ip) & PP_HTONS(0x3fff)) || pb->tot_len < 40) {
+    return (TYPE_IP);
+  }
+  th = (struct tcp_hdr *)&((long *)ip)[hlen];
+  if ((TCPH_FLAGS(th) & (TCP_SYN|TCP_FIN|TCP_RST|TCP_ACK)) != TCP_ACK) {
+    return (TYPE_IP);
+  }
+  /*
+   * Packet is compressible -- we're going to send either a
+   * COMPRESSED_TCP or UNCOMPRESSED_TCP packet.  Either way we need
+   * to locate (or create) the connection state.  Special case the
+   * most recently used connection since it's most likely to be used
+   * again & we don't have to do any reordering if it's used.
+   */
+  INCR(vjs_packets);
+  if (!ip_addr_cmp(&ip->src, &cs->cs_ip.src)
+      || !ip_addr_cmp(&ip->dest, &cs->cs_ip.dest)
+      || *(long *)th != ((long *)&cs->cs_ip)[IPH_HL(&cs->cs_ip)]) {
+    /*
+     * Wasn't the first -- search for it.
+     *
+     * States are kept in a circularly linked list with
+     * last_cs pointing to the end of the list.  The
+     * list is kept in lru order by moving a state to the
+     * head of the list whenever it is referenced.  Since
+     * the list is short and, empirically, the connection
+     * we want is almost always near the front, we locate
+     * states via linear search.  If we don't find a state
+     * for the datagram, the oldest state is (re-)used.
+     */
+    register struct cstate *lcs;
+    register struct cstate *lastcs = comp->last_cs;
+    
+    do {
+      lcs = cs; cs = cs->cs_next;
+      INCR(vjs_searches);
+      if (ip_addr_cmp(&ip->src, &cs->cs_ip.src)
+          && ip_addr_cmp(&ip->dest, &cs->cs_ip.dest)
+          && *(long *)th == ((long *)&cs->cs_ip)[IPH_HL(&cs->cs_ip)]) {
+        goto found;
+      }
+    } while (cs != lastcs);
+
+    /*
+     * Didn't find it -- re-use oldest cstate.  Send an
+     * uncompressed packet that tells the other side what
+     * connection number we're using for this conversation.
+     * Note that since the state list is circular, the oldest
+     * state points to the newest and we only need to set
+     * last_cs to update the lru linkage.
+     */
+    INCR(vjs_misses);
+    comp->last_cs = lcs;
+    hlen += TCPH_OFFSET(th);
+    hlen <<= 2;
+    /* Check that the IP/TCP headers are contained in the first buffer. */
+    if (hlen > pb->len) {
+      return (TYPE_IP);
+    }
+    goto uncompressed;
+
+    found:
+    /*
+     * Found it -- move to the front on the connection list.
+     */
+    if (cs == lastcs) {
+      comp->last_cs = lcs;
+    } else {
+      lcs->cs_next = cs->cs_next;
+      cs->cs_next = lastcs->cs_next;
+      lastcs->cs_next = cs;
+    }
+  }
+
+  oth = (struct tcp_hdr *)&((long *)&cs->cs_ip)[hlen];
+  deltaS = hlen;
+  hlen += TCPH_OFFSET(th);
+  hlen <<= 2;
+  /* Check that the IP/TCP headers are contained in the first buffer. */
+  if (hlen > pb->len) {
+    PPPDEBUG(LOG_INFO, ("vj_compress_tcp: header len %d spans buffers\n", hlen));
+    return (TYPE_IP);
+  }
+
+  /*
+   * Make sure that only what we expect to change changed. The first
+   * line of the `if' checks the IP protocol version, header length &
+   * type of service.  The 2nd line checks the "Don't fragment" bit.
+   * The 3rd line checks the time-to-live and protocol (the protocol
+   * check is unnecessary but costless).  The 4th line checks the TCP
+   * header length.  The 5th line checks IP options, if any.  The 6th
+   * line checks TCP options, if any.  If any of these things are
+   * different between the previous & current datagram, we send the
+   * current datagram `uncompressed'.
+   */
+  if (((u_short *)ip)[0] != ((u_short *)&cs->cs_ip)[0] 
+      || ((u_short *)ip)[3] != ((u_short *)&cs->cs_ip)[3] 
+      || ((u_short *)ip)[4] != ((u_short *)&cs->cs_ip)[4] 
+      || TCPH_OFFSET(th) != TCPH_OFFSET(oth) 
+      || (deltaS > 5 && BCMP(ip + 1, &cs->cs_ip + 1, (deltaS - 5) << 2)) 
+      || (TCPH_OFFSET(th) > 5 && BCMP(th + 1, oth + 1, (TCPH_OFFSET(th) - 5) << 2))) {
+    goto uncompressed;
+  }
+
+  /*
+   * Figure out which of the changing fields changed.  The
+   * receiver expects changes in the order: urgent, window,
+   * ack, seq (the order minimizes the number of temporaries
+   * needed in this section of code).
+   */
+  if (TCPH_FLAGS(th) & TCP_URG) {
+    deltaS = ntohs(th->urgp);
+    ENCODEZ(deltaS);
+    changes |= NEW_U;
+  } else if (th->urgp != oth->urgp) {
+    /* argh! URG not set but urp changed -- a sensible
+     * implementation should never do this but RFC793
+     * doesn't prohibit the change so we have to deal
+     * with it. */
+    goto uncompressed;
+  }
+
+  if ((deltaS = (u_short)(ntohs(th->wnd) - ntohs(oth->wnd))) != 0) {
+    ENCODE(deltaS);
+    changes |= NEW_W;
+  }
+
+  if ((deltaL = ntohl(th->ackno) - ntohl(oth->ackno)) != 0) {
+    if (deltaL > 0xffff) {
+      goto uncompressed;
+    }
+    deltaA = (u_short)deltaL;
+    ENCODE(deltaA);
+    changes |= NEW_A;
+  }
+
+  if ((deltaL = ntohl(th->seqno) - ntohl(oth->seqno)) != 0) {
+    if (deltaL > 0xffff) {
+      goto uncompressed;
+    }
+    deltaS = (u_short)deltaL;
+    ENCODE(deltaS);
+    changes |= NEW_S;
+  }
+
+  switch(changes) {
+  case 0:
+    /*
+     * Nothing changed. If this packet contains data and the
+     * last one didn't, this is probably a data packet following
+     * an ack (normal on an interactive connection) and we send
+     * it compressed.  Otherwise it's probably a retransmit,
+     * retransmitted ack or window probe.  Send it uncompressed
+     * in case the other side missed the compressed version.
+     */
+    if (IPH_LEN(ip) != IPH_LEN(&cs->cs_ip) &&
+      ntohs(IPH_LEN(&cs->cs_ip)) == hlen) {
+      break;
+    }
+
+  /* (fall through) */
+
+  case SPECIAL_I:
+  case SPECIAL_D:
+    /*
+     * actual changes match one of our special case encodings --
+     * send packet uncompressed.
+     */
+    goto uncompressed;
+
+  case NEW_S|NEW_A:
+    if (deltaS == deltaA && deltaS == ntohs(IPH_LEN(&cs->cs_ip)) - hlen) {
+      /* special case for echoed terminal traffic */
+      changes = SPECIAL_I;
+      cp = new_seq;
+    }
+    break;
+
+  case NEW_S:
+    if (deltaS == ntohs(IPH_LEN(&cs->cs_ip)) - hlen) {
+      /* special case for data xfer */
+      changes = SPECIAL_D;
+      cp = new_seq;
+    }
+    break;
+  }
+
+  deltaS = (u_short)(ntohs(IPH_ID(ip)) - ntohs(IPH_ID(&cs->cs_ip)));
+  if (deltaS != 1) {
+    ENCODEZ(deltaS);
+    changes |= NEW_I;
+  }
+  if (TCPH_FLAGS(th) & TCP_PSH) {
+    changes |= TCP_PUSH_BIT;
+  }
+  /*
+   * Grab the cksum before we overwrite it below.  Then update our
+   * state with this packet's header.
+   */
+  deltaA = ntohs(th->chksum);
+  BCOPY(ip, &cs->cs_ip, hlen);
+
+  /*
+   * We want to use the original packet as our compressed packet.
+   * (cp - new_seq) is the number of bytes we need for compressed
+   * sequence numbers.  In addition we need one byte for the change
+   * mask, one for the connection id and two for the tcp checksum.
+   * So, (cp - new_seq) + 4 bytes of header are needed.  hlen is how
+   * many bytes of the original packet to toss so subtract the two to
+   * get the new packet size.
+   */
+  deltaS = (u_short)(cp - new_seq);
+  if (!comp->compressSlot || comp->last_xmit != cs->cs_id) {
+    comp->last_xmit = cs->cs_id;
+    hlen -= deltaS + 4;
+    if(pbuf_header(pb, -hlen)){
+      /* Can we cope with this failing?  Just assert for now */
+      LWIP_ASSERT("pbuf_header failed\n", 0);
+    }
+    cp = (u_char *)pb->payload;
+    *cp++ = (u_char)(changes | NEW_C);
+    *cp++ = cs->cs_id;
+  } else {
+    hlen -= deltaS + 3;
+    if(pbuf_header(pb, -hlen)) {
+      /* Can we cope with this failing?  Just assert for now */
+      LWIP_ASSERT("pbuf_header failed\n", 0);
+    }
+    cp = (u_char *)pb->payload;
+    *cp++ = (u_char)changes;
+  }
+  *cp++ = (u_char)(deltaA >> 8);
+  *cp++ = (u_char)deltaA;
+  BCOPY(new_seq, cp, deltaS);
+  INCR(vjs_compressed);
+  return (TYPE_COMPRESSED_TCP);
+
+  /*
+   * Update connection state cs & send uncompressed packet (that is,
+   * a regular ip/tcp packet but with the 'conversation id' we hope
+   * to use on future compressed packets in the protocol field).
+   */
+uncompressed:
+  BCOPY(ip, &cs->cs_ip, hlen);
+  IPH_PROTO_SET(ip, cs->cs_id);
+  comp->last_xmit = cs->cs_id;
+  return (TYPE_UNCOMPRESSED_TCP);
+}
+
+/*
+ * Called when we may have missed a packet.
+ */
+void
+vj_uncompress_err(struct vjcompress *comp)
+{
+  comp->flags |= VJF_TOSS;
+  INCR(vjs_errorin);
+}
+
+/*
+ * "Uncompress" a packet of type TYPE_UNCOMPRESSED_TCP.
+ * Return 0 on success, -1 on failure.
+ */
+int
+vj_uncompress_uncomp(struct pbuf *nb, struct vjcompress *comp)
+{
+  register u_int hlen;
+  register struct cstate *cs;
+  register struct ip_hdr *ip;
+  
+  ip = (struct ip_hdr *)nb->payload;
+  hlen = IPH_HL(ip) << 2;
+  if (IPH_PROTO(ip) >= MAX_SLOTS
+      || hlen + sizeof(struct tcp_hdr) > nb->len
+      || (hlen += TCPH_OFFSET(((struct tcp_hdr *)&((char *)ip)[hlen])) << 2)
+          > nb->len
+      || hlen > MAX_HDR) {
+    PPPDEBUG(LOG_INFO, ("vj_uncompress_uncomp: bad cid=%d, hlen=%d buflen=%d\n", 
+      IPH_PROTO(ip), hlen, nb->len));
+    comp->flags |= VJF_TOSS;
+    INCR(vjs_errorin);
+    return -1;
+  }
+  cs = &comp->rstate[comp->last_recv = IPH_PROTO(ip)];
+  comp->flags &=~ VJF_TOSS;
+  IPH_PROTO_SET(ip, IP_PROTO_TCP);
+  BCOPY(ip, &cs->cs_ip, hlen);
+  cs->cs_hlen = (u_short)hlen;
+  INCR(vjs_uncompressedin);
+  return 0;
+}
+
+/*
+ * Uncompress a packet of type TYPE_COMPRESSED_TCP.
+ * The packet is composed of a buffer chain and the first buffer
+ * must contain an accurate chain length.
+ * The first buffer must include the entire compressed TCP/IP header. 
+ * This procedure replaces the compressed header with the uncompressed
+ * header and returns the length of the VJ header.
+ */
+int
+vj_uncompress_tcp(struct pbuf **nb, struct vjcompress *comp)
+{
+  u_char *cp;
+  struct tcp_hdr *th;
+  struct cstate *cs;
+  u_short *bp;
+  struct pbuf *n0 = *nb;
+  u32_t tmp;
+  u_int vjlen, hlen, changes;
+
+  INCR(vjs_compressedin);
+  cp = (u_char *)n0->payload;
+  changes = *cp++;
+  if (changes & NEW_C) {
+    /* 
+     * Make sure the state index is in range, then grab the state.
+     * If we have a good state index, clear the 'discard' flag. 
+     */
+    if (*cp >= MAX_SLOTS) {
+      PPPDEBUG(LOG_INFO, ("vj_uncompress_tcp: bad cid=%d\n", *cp));
+      goto bad;
+    }
+
+    comp->flags &=~ VJF_TOSS;
+    comp->last_recv = *cp++;
+  } else {
+    /* 
+     * this packet has an implicit state index.  If we've
+     * had a line error since the last time we got an
+     * explicit state index, we have to toss the packet. 
+     */
+    if (comp->flags & VJF_TOSS) {
+      PPPDEBUG(LOG_INFO, ("vj_uncompress_tcp: tossing\n"));
+      INCR(vjs_tossed);
+      return (-1);
+    }
+  }
+  cs = &comp->rstate[comp->last_recv];
+  hlen = IPH_HL(&cs->cs_ip) << 2;
+  th = (struct tcp_hdr *)&((u_char *)&cs->cs_ip)[hlen];
+  th->chksum = htons((*cp << 8) | cp[1]);
+  cp += 2;
+  if (changes & TCP_PUSH_BIT) {
+    TCPH_SET_FLAG(th, TCP_PSH);
+  } else {
+    TCPH_UNSET_FLAG(th, TCP_PSH);
+  }
+
+  switch (changes & SPECIALS_MASK) {
+  case SPECIAL_I:
+    {
+      register u32_t i = ntohs(IPH_LEN(&cs->cs_ip)) - cs->cs_hlen;
+      /* some compilers can't nest inline assembler.. */
+      tmp = ntohl(th->ackno) + i;
+      th->ackno = htonl(tmp);
+      tmp = ntohl(th->seqno) + i;
+      th->seqno = htonl(tmp);
+    }
+    break;
+
+  case SPECIAL_D:
+    /* some compilers can't nest inline assembler.. */
+    tmp = ntohl(th->seqno) + ntohs(IPH_LEN(&cs->cs_ip)) - cs->cs_hlen;
+    th->seqno = htonl(tmp);
+    break;
+
+  default:
+    if (changes & NEW_U) {
+      TCPH_SET_FLAG(th, TCP_URG);
+      DECODEU(th->urgp);
+    } else {
+      TCPH_UNSET_FLAG(th, TCP_URG);
+    }
+    if (changes & NEW_W) {
+      DECODES(th->wnd);
+    }
+    if (changes & NEW_A) {
+      DECODEL(th->ackno);
+    }
+    if (changes & NEW_S) {
+      DECODEL(th->seqno);
+    }
+    break;
+  }
+  if (changes & NEW_I) {
+    DECODES(cs->cs_ip._id);
+  } else {
+    IPH_ID_SET(&cs->cs_ip, ntohs(IPH_ID(&cs->cs_ip)) + 1);
+    IPH_ID_SET(&cs->cs_ip, htons(IPH_ID(&cs->cs_ip)));
+  }
+
+  /*
+   * At this point, cp points to the first byte of data in the
+   * packet.  Fill in the IP total length and update the IP
+   * header checksum.
+   */
+  vjlen = (u_short)(cp - (u_char*)n0->payload);
+  if (n0->len < vjlen) {
+    /* 
+     * We must have dropped some characters (crc should detect
+     * this but the old slip framing won't) 
+     */
+    PPPDEBUG(LOG_INFO, ("vj_uncompress_tcp: head buffer %d too short %d\n", 
+          n0->len, vjlen));
+    goto bad;
+  }
+
+#if BYTE_ORDER == LITTLE_ENDIAN
+  tmp = n0->tot_len - vjlen + cs->cs_hlen;
+  IPH_LEN_SET(&cs->cs_ip, htons((u_short)tmp));
+#else
+  IPH_LEN_SET(&cs->cs_ip, htons(n0->tot_len - vjlen + cs->cs_hlen));
+#endif
+
+  /* recompute the ip header checksum */
+  bp = (u_short *) &cs->cs_ip;
+  IPH_CHKSUM_SET(&cs->cs_ip, 0);
+  for (tmp = 0; hlen > 0; hlen -= 2) {
+    tmp += *bp++;
+  }
+  tmp = (tmp & 0xffff) + (tmp >> 16);
+  tmp = (tmp & 0xffff) + (tmp >> 16);
+  IPH_CHKSUM_SET(&cs->cs_ip,  (u_short)(~tmp));
+  
+  /* Remove the compressed header and prepend the uncompressed header. */
+  if(pbuf_header(n0, -((s16_t)(vjlen)))) {
+    /* Can we cope with this failing?  Just assert for now */
+    LWIP_ASSERT("pbuf_header failed\n", 0);
+    goto bad;
+  }
+
+  if(LWIP_MEM_ALIGN(n0->payload) != n0->payload) {
+    struct pbuf *np, *q;
+    u8_t *bufptr;
+
+    np = pbuf_alloc(PBUF_RAW, n0->len + cs->cs_hlen, PBUF_POOL);
+    if(!np) {
+      PPPDEBUG(LOG_WARNING, ("vj_uncompress_tcp: realign failed\n"));
+      goto bad;
+    }
+
+    if(pbuf_header(np, -cs->cs_hlen)) {
+      /* Can we cope with this failing?  Just assert for now */
+      LWIP_ASSERT("pbuf_header failed\n", 0);
+      goto bad;
+    }
+
+    bufptr = n0->payload;
+    for(q = np; q != NULL; q = q->next) {
+      MEMCPY(q->payload, bufptr, q->len);
+      bufptr += q->len;
+    }
+
+    if(n0->next) {
+      pbuf_chain(np, n0->next);
+      pbuf_dechain(n0);
+    }
+    pbuf_free(n0);
+    n0 = np;
+  }
+
+  if(pbuf_header(n0, cs->cs_hlen)) {
+    struct pbuf *np;
+
+    LWIP_ASSERT("vj_uncompress_tcp: cs->cs_hlen <= PBUF_POOL_BUFSIZE", cs->cs_hlen <= PBUF_POOL_BUFSIZE);
+    np = pbuf_alloc(PBUF_RAW, cs->cs_hlen, PBUF_POOL);
+    if(!np) {
+      PPPDEBUG(LOG_WARNING, ("vj_uncompress_tcp: prepend failed\n"));
+      goto bad;
+    }
+    pbuf_cat(np, n0);
+    n0 = np;
+  }
+  LWIP_ASSERT("n0->len >= cs->cs_hlen", n0->len >= cs->cs_hlen);
+  MEMCPY(n0->payload, &cs->cs_ip, cs->cs_hlen);
+
+  *nb = n0;
+
+  return vjlen;
+
+bad:
+  comp->flags |= VJF_TOSS;
+  INCR(vjs_errorin);
+  return (-1);
+}
+
+#endif /* VJ_SUPPORT */
+
+#endif /* PPP_SUPPORT */
diff --git a/libraries/net/lwip/lwip/netif/ppp/vj.h b/libraries/net/lwip/lwip/netif/ppp/vj.h
new file mode 100644
index 0000000000..fad1213646
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/ppp/vj.h
@@ -0,0 +1,156 @@
+/*
+ * Definitions for tcp compression routines.
+ *
+ * $Id: vj.h,v 1.7 2010/02/22 17:52:09 goldsimon Exp $
+ *
+ * Copyright (c) 1989 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Van Jacobson (van@helios.ee.lbl.gov), Dec 31, 1989:
+ * - Initial distribution.
+ */
+
+#ifndef VJ_H
+#define VJ_H
+
+#include "lwip/ip.h"
+#include "lwip/tcp_impl.h"
+
+#define MAX_SLOTS 16 /* must be > 2 and < 256 */
+#define MAX_HDR   128
+
+/*
+ * Compressed packet format:
+ *
+ * The first octet contains the packet type (top 3 bits), TCP
+ * 'push' bit, and flags that indicate which of the 4 TCP sequence
+ * numbers have changed (bottom 5 bits).  The next octet is a
+ * conversation number that associates a saved IP/TCP header with
+ * the compressed packet.  The next two octets are the TCP checksum
+ * from the original datagram.  The next 0 to 15 octets are
+ * sequence number changes, one change per bit set in the header
+ * (there may be no changes and there are two special cases where
+ * the receiver implicitly knows what changed -- see below).
+ * 
+ * There are 5 numbers which can change (they are always inserted
+ * in the following order): TCP urgent pointer, window,
+ * acknowlegement, sequence number and IP ID.  (The urgent pointer
+ * is different from the others in that its value is sent, not the
+ * change in value.)  Since typical use of SLIP links is biased
+ * toward small packets (see comments on MTU/MSS below), changes
+ * use a variable length coding with one octet for numbers in the
+ * range 1 - 255 and 3 octets (0, MSB, LSB) for numbers in the
+ * range 256 - 65535 or 0.  (If the change in sequence number or
+ * ack is more than 65535, an uncompressed packet is sent.)
+ */
+
+/*
+ * Packet types (must not conflict with IP protocol version)
+ *
+ * The top nibble of the first octet is the packet type.  There are
+ * three possible types: IP (not proto TCP or tcp with one of the
+ * control flags set); uncompressed TCP (a normal IP/TCP packet but
+ * with the 8-bit protocol field replaced by an 8-bit connection id --
+ * this type of packet syncs the sender & receiver); and compressed
+ * TCP (described above).
+ *
+ * LSB of 4-bit field is TCP "PUSH" bit (a worthless anachronism) and
+ * is logically part of the 4-bit "changes" field that follows.  Top
+ * three bits are actual packet type.  For backward compatibility
+ * and in the interest of conserving bits, numbers are chosen so the
+ * IP protocol version number (4) which normally appears in this nibble
+ * means "IP packet".
+ */
+
+/* packet types */
+#define TYPE_IP               0x40
+#define TYPE_UNCOMPRESSED_TCP 0x70
+#define TYPE_COMPRESSED_TCP   0x80
+#define TYPE_ERROR            0x00
+
+/* Bits in first octet of compressed packet */
+#define NEW_C 0x40 /* flag bits for what changed in a packet */
+#define NEW_I 0x20
+#define NEW_S 0x08
+#define NEW_A 0x04
+#define NEW_W 0x02
+#define NEW_U 0x01
+
+/* reserved, special-case values of above */
+#define SPECIAL_I (NEW_S|NEW_W|NEW_U) /* echoed interactive traffic */
+#define SPECIAL_D (NEW_S|NEW_A|NEW_W|NEW_U) /* unidirectional data */
+#define SPECIALS_MASK (NEW_S|NEW_A|NEW_W|NEW_U)
+
+#define TCP_PUSH_BIT 0x10
+
+
+/*
+ * "state" data for each active tcp conversation on the wire.  This is
+ * basically a copy of the entire IP/TCP header from the last packet
+ * we saw from the conversation together with a small identifier
+ * the transmit & receive ends of the line use to locate saved header.
+ */
+struct cstate {
+  struct cstate *cs_next; /* next most recently used state (xmit only) */
+  u_short cs_hlen;        /* size of hdr (receive only) */
+  u_char cs_id;           /* connection # associated with this state */
+  u_char cs_filler;
+  union {
+    char csu_hdr[MAX_HDR];
+    struct ip_hdr csu_ip;     /* ip/tcp hdr from most recent packet */
+  } vjcs_u;
+};
+#define cs_ip vjcs_u.csu_ip
+#define cs_hdr vjcs_u.csu_hdr
+
+
+struct vjstat {
+  unsigned long vjs_packets;        /* outbound packets */
+  unsigned long vjs_compressed;     /* outbound compressed packets */
+  unsigned long vjs_searches;       /* searches for connection state */
+  unsigned long vjs_misses;         /* times couldn't find conn. state */
+  unsigned long vjs_uncompressedin; /* inbound uncompressed packets */
+  unsigned long vjs_compressedin;   /* inbound compressed packets */
+  unsigned long vjs_errorin;        /* inbound unknown type packets */
+  unsigned long vjs_tossed;         /* inbound packets tossed because of error */
+};
+
+/*
+ * all the state data for one serial line (we need one of these per line).
+ */
+struct vjcompress {
+  struct cstate *last_cs;          /* most recently used tstate */
+  u_char last_recv;                /* last rcvd conn. id */
+  u_char last_xmit;                /* last sent conn. id */
+  u_short flags;
+  u_char maxSlotIndex;
+  u_char compressSlot;             /* Flag indicating OK to compress slot ID. */
+#if LINK_STATS
+  struct vjstat stats;
+#endif
+  struct cstate tstate[MAX_SLOTS]; /* xmit connection states */
+  struct cstate rstate[MAX_SLOTS]; /* receive connection states */
+};
+
+/* flag values */
+#define VJF_TOSS 1U /* tossing rcvd frames because of input err */
+
+extern void  vj_compress_init    (struct vjcompress *comp);
+extern u_int vj_compress_tcp     (struct vjcompress *comp, struct pbuf *pb);
+extern void  vj_uncompress_err   (struct vjcompress *comp);
+extern int   vj_uncompress_uncomp(struct pbuf *nb, struct vjcompress *comp);
+extern int   vj_uncompress_tcp   (struct pbuf **nb, struct vjcompress *comp);
+
+#endif /* VJ_H */
diff --git a/libraries/net/lwip/lwip/netif/slipif.c b/libraries/net/lwip/lwip/netif/slipif.c
new file mode 100644
index 0000000000..c19333dd70
--- /dev/null
+++ b/libraries/net/lwip/lwip/netif/slipif.c
@@ -0,0 +1,367 @@
+/**
+ * @file
+ * SLIP Interface
+ *
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ *
+ * This file is built upon the file: src/arch/rtxc/netif/sioslip.c
+ *
+ * Author: Magnus Ivarsson  
+ */
+
+/* 
+ * This is an arch independent SLIP netif. The specific serial hooks must be
+ * provided by another file. They are sio_open, sio_read/sio_tryread and sio_send
+ */
+
+#include "netif/slipif.h"
+#include "lwip/opt.h"
+
+#if LWIP_HAVE_SLIPIF
+
+#include "lwip/def.h"
+#include "lwip/pbuf.h"
+#include "lwip/sys.h"
+#include "lwip/stats.h"
+#include "lwip/snmp.h"
+#include "lwip/sio.h"
+
+#define SLIP_BLOCK     1
+#define SLIP_DONTBLOCK 0
+
+#define SLIP_END     0300 /* 0xC0 */
+#define SLIP_ESC     0333 /* 0xDB */
+#define SLIP_ESC_END 0334 /* 0xDC */
+#define SLIP_ESC_ESC 0335 /* 0xDD */
+
+#define SLIP_MAX_SIZE 1500
+
+enum slipif_recv_state {
+    SLIP_RECV_NORMAL,
+    SLIP_RECV_ESCAPE,
+};
+
+struct slipif_priv {
+  sio_fd_t sd;
+  /* q is the whole pbuf chain for a packet, p is the current pbuf in the chain */
+  struct pbuf *p, *q;
+  enum slipif_recv_state state;
+  u16_t i, recved;
+};
+
+/**
+ * Send a pbuf doing the necessary SLIP encapsulation
+ *
+ * Uses the serial layer's sio_send()
+ *
+ * @param netif the lwip network interface structure for this slipif
+ * @param p the pbuf chaing packet to send
+ * @param ipaddr the ip address to send the packet to (not used for slipif)
+ * @return always returns ERR_OK since the serial layer does not provide return values
+ */
+err_t
+slipif_output(struct netif *netif, struct pbuf *p, ip_addr_t *ipaddr)
+{
+  struct slipif_priv *priv;
+  struct pbuf *q;
+  u16_t i;
+  u8_t c;
+
+  LWIP_ASSERT("netif != NULL", (netif != NULL));
+  LWIP_ASSERT("netif->state != NULL", (netif->state != NULL));
+  LWIP_ASSERT("p != NULL", (p != NULL));
+
+  LWIP_UNUSED_ARG(ipaddr);
+
+  priv = netif->state;
+
+  /* Send pbuf out on the serial I/O device. */
+  sio_send(SLIP_END, priv->sd);
+
+  for (q = p; q != NULL; q = q->next) {
+    for (i = 0; i < q->len; i++) {
+      c = ((u8_t *)q->payload)[i];
+      switch (c) {
+      case SLIP_END:
+        sio_send(SLIP_ESC, priv->sd);
+        sio_send(SLIP_ESC_END, priv->sd);
+        break;
+      case SLIP_ESC:
+        sio_send(SLIP_ESC, priv->sd);
+        sio_send(SLIP_ESC_ESC, priv->sd);
+        break;
+      default:
+        sio_send(c, priv->sd);
+        break;
+      }
+    }
+  }
+  sio_send(SLIP_END, priv->sd);
+  return ERR_OK;
+}
+
+/**
+ * Static function for easy use of blockig or non-blocking
+ * sio_read
+ *
+ * @param fd serial device handle
+ * @param data pointer to data buffer for receiving
+ * @param len maximum length (in bytes) of data to receive
+ * @param block if 1, call sio_read; if 0, call sio_tryread
+ * @return return value of sio_read of sio_tryread
+ */
+static u32_t
+slip_sio_read(sio_fd_t fd, u8_t* data, u32_t len, u8_t block)
+{
+  if (block) {
+    return sio_read(fd, data, len);
+  } else {
+    return sio_tryread(fd, data, len);
+  }
+}
+
+/**
+ * Handle the incoming SLIP stream character by character
+ *
+ * Poll the serial layer by calling sio_read() or sio_tryread().
+ *
+ * @param netif the lwip network interface structure for this slipif
+ * @param block if 1, block until data is received; if 0, return when all data
+ *        from the buffer is received (multiple calls to this function will
+ *        return a complete packet, NULL is returned before - used for polling)
+ * @return The IP packet when SLIP_END is received
+ */
+static struct pbuf *
+slipif_input(struct netif *netif, u8_t block)
+{
+  struct slipif_priv *priv;
+  u8_t c;
+  struct pbuf *t;
+
+  LWIP_ASSERT("netif != NULL", (netif != NULL));
+  LWIP_ASSERT("netif->state != NULL", (netif->state != NULL));
+
+  priv = netif->state;
+
+  while (slip_sio_read(priv->sd, &c, 1, block) > 0) {
+    switch (priv->state) {
+    case SLIP_RECV_NORMAL:
+      switch (c) {
+      case SLIP_END:
+        if (priv->recved > 0) {
+          /* Received whole packet. */
+          /* Trim the pbuf to the size of the received packet. */
+          pbuf_realloc(priv->q, priv->recved);
+
+          LINK_STATS_INC(link.recv);
+
+          LWIP_DEBUGF(SLIP_DEBUG, ("slipif: Got packet\n"));
+          t = priv->q;
+          priv->p = priv->q = NULL;
+          priv->i = priv->recved = 0;
+          return t;
+        }
+        continue;
+      case SLIP_ESC:
+        priv->state = SLIP_RECV_ESCAPE;
+        continue;
+      }
+      break;
+    case SLIP_RECV_ESCAPE:
+      switch (c) {
+      case SLIP_ESC_END:
+        c = SLIP_END;
+        break;
+      case SLIP_ESC_ESC:
+        c = SLIP_ESC;
+        break;
+      }
+      priv->state = SLIP_RECV_NORMAL;
+      /* FALLTHROUGH */
+    }
+
+    /* byte received, packet not yet completely received */
+    if (priv->p == NULL) {
+      /* allocate a new pbuf */
+      LWIP_DEBUGF(SLIP_DEBUG, ("slipif_input: alloc\n"));
+      priv->p = pbuf_alloc(PBUF_LINK, (PBUF_POOL_BUFSIZE - PBUF_LINK_HLEN), PBUF_POOL);
+
+      if (priv->p == NULL) {
+        LINK_STATS_INC(link.drop);
+        LWIP_DEBUGF(SLIP_DEBUG, ("slipif_input: no new pbuf! (DROP)\n"));
+        /* don't process any further since we got no pbuf to receive to */
+        break;
+      }
+
+      if (priv->q != NULL) {
+        /* 'chain' the pbuf to the existing chain */
+        pbuf_cat(priv->q, priv->p);
+      } else {
+        /* p is the first pbuf in the chain */
+        priv->q = priv->p;
+      }
+    }
+
+    /* this automatically drops bytes if > SLIP_MAX_SIZE */
+    if ((priv->p != NULL) && (priv->recved <= SLIP_MAX_SIZE)) {
+      ((u8_t *)priv->p->payload)[priv->i] = c;
+      priv->recved++;
+      priv->i++;
+      if (priv->i >= priv->p->len) {
+        /* on to the next pbuf */
+        priv->i = 0;
+        if (priv->p->next != NULL && priv->p->next->len > 0) {
+          /* p is a chain, on to the next in the chain */
+            priv->p = priv->p->next;
+        } else {
+          /* p is a single pbuf, set it to NULL so next time a new
+           * pbuf is allocated */
+            priv->p = NULL;
+        }
+      }
+    }
+  }
+
+  return NULL;
+}
+
+#if !NO_SYS
+/**
+ * The SLIP input thread.
+ *
+ * Feed the IP layer with incoming packets
+ *
+ * @param nf the lwip network interface structure for this slipif
+ */
+static void
+slipif_loop_thread(void *nf)
+{
+  struct pbuf *p;
+  struct netif *netif = (struct netif *)nf;
+
+  while (1) {
+    p = slipif_input(netif, SLIP_BLOCK);
+    if (p != NULL) {
+      if (netif->input(p, netif) != ERR_OK) {
+        pbuf_free(p);
+        p = NULL;
+      }
+    }
+  }
+}
+#endif /* !NO_SYS */
+
+/**
+ * SLIP netif initialization
+ *
+ * Call the arch specific sio_open and remember
+ * the opened device in the state field of the netif.
+ *
+ * @param netif the lwip network interface structure for this slipif
+ * @return ERR_OK if serial line could be opened,
+ *         ERR_MEM if no memory could be allocated,
+ *         ERR_IF is serial line couldn't be opened
+ *
+ * @note netif->num must contain the number of the serial port to open
+ *       (0 by default)
+ */
+err_t
+slipif_init(struct netif *netif)
+{
+  struct slipif_priv *priv;
+
+  LWIP_DEBUGF(SLIP_DEBUG, ("slipif_init: netif->num=%"U16_F"\n", (u16_t)netif->num));
+
+  /* Allocate private data */
+  priv = mem_malloc(sizeof(struct slipif_priv));
+  if (!priv) {
+    return ERR_MEM;
+  }
+
+  netif->name[0] = 's';
+  netif->name[1] = 'l';
+  netif->output = slipif_output;
+  netif->mtu = SLIP_MAX_SIZE;
+  netif->flags |= NETIF_FLAG_POINTTOPOINT;
+
+  /* Try to open the serial port (netif->num contains the port number). */
+  priv->sd = sio_open(netif->num);
+  if (!priv->sd) {
+    /* Opening the serial port failed. */
+    mem_free(priv);
+    return ERR_IF;
+  }
+
+  /* Initialize private data */
+  priv->p = NULL;
+  priv->q = NULL;
+  priv->state = SLIP_RECV_NORMAL;
+  priv->i = 0;
+  priv->recved = 0;
+
+  netif->state = priv;
+
+  /* initialize the snmp variables and counters inside the struct netif
+   * ifSpeed: no assumption can be made without knowing more about the
+   * serial line!
+   */
+  NETIF_INIT_SNMP(netif, snmp_ifType_slip, 0);
+
+  /* Create a thread to poll the serial line. */
+  sys_thread_new(SLIPIF_THREAD_NAME, slipif_loop_thread, netif,
+    SLIPIF_THREAD_STACKSIZE, SLIPIF_THREAD_PRIO);
+  return ERR_OK;
+}
+
+/**
+ * Polls the serial device and feeds the IP layer with incoming packets.
+ *
+ * @param netif The lwip network interface structure for this slipif
+ */
+void
+slipif_poll(struct netif *netif)
+{
+  struct pbuf *p;
+  struct slipif_priv *priv;
+
+  LWIP_ASSERT("netif != NULL", (netif != NULL));
+  LWIP_ASSERT("netif->state != NULL", (netif->state != NULL));
+
+  priv = netif->state;
+
+  while ((p = slipif_input(netif, SLIP_DONTBLOCK)) != NULL) {
+    if (netif->input(p, netif) != ERR_OK) {
+      pbuf_free(p);
+    }
+  }
+}
+
+#endif /* LWIP_HAVE_SLIPIF */
diff --git a/libraries/rtos/rtos/Mail.h b/libraries/rtos/rtos/Mail.h
new file mode 100644
index 0000000000..d3e599fc8b
--- /dev/null
+++ b/libraries/rtos/rtos/Mail.h
@@ -0,0 +1,109 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef MAIL_H
+#define MAIL_H
+
+#include 
+#include 
+
+#include "cmsis_os.h"
+
+namespace rtos {
+
+/** The Mail class allow to control, send, receive, or wait for mail.
+ A mail is a memory block that is send to a thread or interrupt service routine.
+  @tparam  T         data type of a single message element.
+  @tparam  queue_sz  maximum number of messages in queue.
+*/
+template
+class Mail {
+public:
+    /** Create and Initialise Mail queue. */
+    Mail() {
+    #ifdef CMSIS_OS_RTX
+        memset(_mail_q, 0, sizeof(_mail_q));
+        _mail_p[0] = _mail_q;
+        
+        memset(_mail_m, 0, sizeof(_mail_m));
+        _mail_p[1] = _mail_m;
+        
+        _mail_def.pool = _mail_p;
+        _mail_def.queue_sz = queue_sz;
+        _mail_def.item_sz = sizeof(T);
+    #endif
+        _mail_id = osMailCreate(&_mail_def, NULL);
+    }
+    
+    /** Allocate a memory block of type T
+      @param   millisec  timeout value or 0 in case of no time-out. (default: 0).
+      @return  pointer to memory block that can be filled with mail or NULL in case error.
+    */
+    T* alloc(uint32_t millisec=0) {
+        return (T*)osMailAlloc(_mail_id, millisec);
+    }
+    
+    /** Allocate a memory block of type T and set memory block to zero. 
+      @param   millisec  timeout value or 0 in case of no time-out.  (default: 0).
+      @return  pointer to memory block that can be filled with mail or NULL in case error.
+    */
+    T* calloc(uint32_t millisec=0) {
+        return (T*)osMailCAlloc(_mail_id, millisec);
+    }
+    
+    /** Put a mail in the queue.
+      @param   mptr  memory block previously allocated with Mail::alloc or Mail::calloc.
+      @return  status code that indicates the execution status of the function. 
+    */
+    osStatus put(T *mptr) {
+        return osMailPut(_mail_id, (void*)mptr);
+    }
+    
+    /** Get a mail from a queue.
+      @param   millisec  timeout value or 0 in case of no time-out. (default: osWaitForever).
+      @return  event that contains mail information or error code.
+    */
+    osEvent get(uint32_t millisec=osWaitForever) {
+        return osMailGet(_mail_id, millisec);
+    }
+    
+    /** Free a memory block from a mail.
+      @param   mptr  pointer to the memory block that was obtained with Mail::get. 
+      @return  status code that indicates the execution status of the function.
+    */
+    osStatus free(T *mptr) {
+        return osMailFree(_mail_id, (void*)mptr);
+    }
+
+private:
+    osMailQId    _mail_id;
+    osMailQDef_t _mail_def;
+#ifdef CMSIS_OS_RTX
+    uint32_t     _mail_q[4+(queue_sz)];
+    uint32_t     _mail_m[3+((sizeof(T)+3)/4)*(queue_sz)];
+    void        *_mail_p[2];
+#endif
+};
+
+}
+
+#endif
+
diff --git a/libraries/rtos/rtos/MemoryPool.h b/libraries/rtos/rtos/MemoryPool.h
new file mode 100644
index 0000000000..db2829b502
--- /dev/null
+++ b/libraries/rtos/rtos/MemoryPool.h
@@ -0,0 +1,82 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef MEMORYPOOL_H
+#define MEMORYPOOL_H
+
+#include 
+#include 
+
+#include "cmsis_os.h"
+
+namespace rtos {
+
+/** Define and manage fixed-size memory pools of objects of a given type.
+  @tparam  T         data type of a single object (element).
+  @tparam  queue_sz  maximum number of objects (elements) in the memory pool.
+*/
+template
+class MemoryPool {
+public:
+    /** Create and Initialize a memory pool. */
+    MemoryPool() {
+    #ifdef CMSIS_OS_RTX
+        memset(_pool_m, 0, sizeof(_pool_m));
+        _pool_def.pool = _pool_m;
+        
+        _pool_def.pool_sz = pool_sz;
+        _pool_def.item_sz =  sizeof(T);
+    #endif
+        _pool_id = osPoolCreate(&_pool_def);
+    }
+    
+    /** Allocate a memory block of type T from a memory pool.
+      @return  address of the allocated memory block or NULL in case of no memory available.
+    */
+    T* alloc(void) {
+        return (T*)osPoolAlloc(_pool_id);
+    }
+    
+    /** Allocate a memory block of type T from a memory pool and set memory block to zero.
+      @return  address of the allocated memory block or NULL in case of no memory available. 
+    */
+    T* calloc(void) {
+        return (T*)osPoolCAlloc(_pool_id);
+    }
+    
+    /** Return an allocated memory block back to a specific memory pool.
+      @param   address of the allocated memory block that is returned to the memory pool.
+      @return  status code that indicates the execution status of the function. 
+    */
+    osStatus free(T *block) {
+        return osPoolFree(_pool_id, (void*)block);
+    }
+
+private:
+    osPoolId    _pool_id;
+    osPoolDef_t _pool_def;
+#ifdef CMSIS_OS_RTX
+    uint32_t    _pool_m[3+((sizeof(T)+3)/4)*(pool_sz)];
+#endif
+};
+
+}
+#endif
diff --git a/libraries/rtos/rtos/Mutex.cpp b/libraries/rtos/rtos/Mutex.cpp
new file mode 100644
index 0000000000..c9b9c232df
--- /dev/null
+++ b/libraries/rtos/rtos/Mutex.cpp
@@ -0,0 +1,56 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "Mutex.h"
+
+#include 
+#include "error.h"
+
+namespace rtos {
+
+Mutex::Mutex() {
+#ifdef CMSIS_OS_RTX
+    memset(_mutex_data, 0, sizeof(_mutex_data));
+    _osMutexDef.mutex = _mutex_data;
+#endif
+    _osMutexId = osMutexCreate(&_osMutexDef);
+    if (_osMutexId == NULL) {
+        error("Error initializing the mutex object\n");
+    }
+}
+
+osStatus Mutex::lock(uint32_t millisec) {
+    return osMutexWait(_osMutexId, millisec);
+}
+
+bool Mutex::trylock() {
+    return (osMutexWait(_osMutexId, 0) == osOK);
+}
+
+osStatus Mutex::unlock() {
+    return osMutexRelease(_osMutexId);
+}
+
+Mutex::~Mutex() {
+    osMutexDelete(_osMutexId);
+}
+
+}
diff --git a/libraries/rtos/rtos/Mutex.h b/libraries/rtos/rtos/Mutex.h
new file mode 100644
index 0000000000..a897836af1
--- /dev/null
+++ b/libraries/rtos/rtos/Mutex.h
@@ -0,0 +1,65 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef MUTEX_H
+#define MUTEX_H
+
+#include 
+#include "cmsis_os.h"
+
+namespace rtos {
+
+/** The Mutex class is used to synchronise the execution of threads.
+ This is for example used to protect access to a shared resource.
+*/
+class Mutex {
+public:
+    /** Create and Initialize a Mutex object */
+    Mutex();
+    
+    /** Wait until a Mutex becomes available.
+      @param   millisec  timeout value or 0 in case of no time-out. (default: osWaitForever)
+      @return  status code that indicates the execution status of the function.
+     */ 
+    osStatus lock(uint32_t millisec=osWaitForever);
+    
+    /** Try to lock the mutex, and return immediately
+      @return  true if the mutex was acquired, false otherwise.
+     */
+    bool trylock();
+    
+    /** Unlock the mutex that has previously been locked by the same thread
+      @return  status code that indicates the execution status of the function. 
+     */
+    osStatus unlock();
+    
+    ~Mutex();
+
+private:
+    osMutexId _osMutexId;
+    osMutexDef_t _osMutexDef;
+#ifdef CMSIS_OS_RTX
+    int32_t _mutex_data[3];
+#endif
+};
+
+}
+#endif
diff --git a/libraries/rtos/rtos/Queue.h b/libraries/rtos/rtos/Queue.h
new file mode 100644
index 0000000000..6cf1222d3c
--- /dev/null
+++ b/libraries/rtos/rtos/Queue.h
@@ -0,0 +1,81 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef QUEUE_H
+#define QUEUE_H
+
+#include 
+#include 
+
+#include "cmsis_os.h"
+#include "error.h"
+
+namespace rtos {
+
+/** The Queue class allow to control, send, receive, or wait for messages.
+ A message can be a integer or pointer value  to a certain type T that is send
+ to a thread or interrupt service routine.
+  @tparam  T         data type of a single message element.
+  @tparam  queue_sz  maximum number of messages in queue.
+*/
+template
+class Queue {
+public:
+    /** Create and initialise a message Queue. */
+    Queue() {
+    #ifdef CMSIS_OS_RTX
+        memset(_queue_q, 0, sizeof(_queue_q));
+        _queue_def.pool = _queue_q;
+        _queue_def.queue_sz = queue_sz;
+    #endif
+        _queue_id = osMessageCreate(&_queue_def, NULL);
+        if (_queue_id == NULL) {
+            error("Error initialising the queue object\n");
+        }
+    }
+    
+    /** Put a message in a Queue.
+      @param   data      message pointer.
+      @param   millisec  timeout value or 0 in case of no time-out. (default: 0)
+      @return  status code that indicates the execution status of the function. 
+    */
+    osStatus put(T* data, uint32_t millisec=0) {
+        return osMessagePut(_queue_id, (uint32_t)data, millisec);
+    }
+    
+    /** Get a message or Wait for a message from a Queue.
+      @param   millisec  timeout value or 0 in case of no time-out. (default: osWaitForever).
+      @return  event information that includes the message and the status code.
+    */
+    osEvent get(uint32_t millisec=osWaitForever) {
+        return osMessageGet(_queue_id, millisec);
+    }
+
+private:
+    osMessageQId    _queue_id;
+    osMessageQDef_t _queue_def;
+#ifdef CMSIS_OS_RTX
+    uint32_t        _queue_q[4+(queue_sz)];
+#endif
+};
+
+}
+#endif
diff --git a/libraries/rtos/rtos/RtosTimer.cpp b/libraries/rtos/rtos/RtosTimer.cpp
new file mode 100644
index 0000000000..b68a94428b
--- /dev/null
+++ b/libraries/rtos/rtos/RtosTimer.cpp
@@ -0,0 +1,53 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "RtosTimer.h"
+
+#include 
+
+#include "cmsis_os.h"
+#include "error.h"
+
+namespace rtos {
+
+RtosTimer::RtosTimer(void (*periodic_task)(void const *argument), os_timer_type type, void *argument) {
+#ifdef CMSIS_OS_RTX
+    _timer.ptimer = periodic_task;
+    
+    memset(_timer_data, 0, sizeof(_timer_data));
+    _timer.timer = _timer_data;
+#endif
+    _timer_id = osTimerCreate(&_timer, type, argument);
+}
+
+osStatus RtosTimer::start(uint32_t millisec) {
+    return osTimerStart(_timer_id, millisec);
+}
+
+osStatus RtosTimer::stop(void) {
+    return osTimerStop(_timer_id);
+}
+
+RtosTimer::~RtosTimer() {
+    osTimerDelete(_timer_id);
+}
+
+}
diff --git a/libraries/rtos/rtos/RtosTimer.h b/libraries/rtos/rtos/RtosTimer.h
new file mode 100644
index 0000000000..927cdaec58
--- /dev/null
+++ b/libraries/rtos/rtos/RtosTimer.h
@@ -0,0 +1,71 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef RTOS_TIMER_H
+#define RTOS_TIMER_H
+
+#include 
+#include "cmsis_os.h"
+
+namespace rtos {
+
+/** The RtosTimer class allow creating and and controlling of timer functions in the system.
+ A timer function is called when a time period expires whereby both on-shot and
+ periodic timers are possible. A timer can be started, restarted, or stopped.
+
+ Timers are handled in the thread osTimerThread.
+ Callback functions run under control of this thread and may use CMSIS-RTOS API calls. 
+*/
+class RtosTimer {
+public:
+    /** Create and Start timer.
+      @param   task      name of the timer call back function.
+      @param   type      osTimerOnce for one-shot or osTimerPeriodic for periodic behaviour. (default: osTimerPeriodic)
+      @param   argument  argument to the timer call back function. (default: NULL)
+    */
+    RtosTimer(void (*task)(void const *argument),
+          os_timer_type type=osTimerPeriodic,
+          void *argument=NULL);
+    
+    /** Stop the timer.
+      @return  status code that indicates the execution status of the function. 
+    */
+    osStatus stop(void);
+    
+    /** start a timer.
+      @param   millisec  time delay value of the timer.
+      @return  status code that indicates the execution status of the function. 
+    */
+    osStatus start(uint32_t millisec);
+    
+    ~RtosTimer();
+
+private:
+    osTimerId _timer_id;
+    osTimerDef_t _timer;
+#ifdef CMSIS_OS_RTX
+    uint32_t _timer_data[5];
+#endif
+};
+
+}
+
+#endif
diff --git a/libraries/rtos/rtos/Semaphore.cpp b/libraries/rtos/rtos/Semaphore.cpp
new file mode 100644
index 0000000000..aa749bd5a4
--- /dev/null
+++ b/libraries/rtos/rtos/Semaphore.cpp
@@ -0,0 +1,49 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "Semaphore.h"
+
+#include 
+#include "error.h"
+
+namespace rtos {
+
+Semaphore::Semaphore(int32_t count) {
+#ifdef CMSIS_OS_RTX
+    memset(_semaphore_data, 0, sizeof(_semaphore_data));
+    _osSemaphoreDef.semaphore = _semaphore_data;
+#endif
+    _osSemaphoreId = osSemaphoreCreate(&_osSemaphoreDef, count);
+}
+
+int32_t Semaphore::wait(uint32_t millisec) {
+    return osSemaphoreWait(_osSemaphoreId, millisec);
+}
+
+osStatus Semaphore::release(void) {
+    return osSemaphoreRelease(_osSemaphoreId);
+}
+
+Semaphore::~Semaphore() {
+    osSemaphoreDelete(_osSemaphoreId);
+}
+
+}
diff --git a/libraries/rtos/rtos/Semaphore.h b/libraries/rtos/rtos/Semaphore.h
new file mode 100644
index 0000000000..253f0a3251
--- /dev/null
+++ b/libraries/rtos/rtos/Semaphore.h
@@ -0,0 +1,60 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef SEMAPHORE_H
+#define SEMAPHORE_H
+
+#include 
+#include "cmsis_os.h"
+
+namespace rtos {
+
+/** The Semaphore class is used to manage and protect access to a set of shared resources. */
+class Semaphore {
+public:
+    /** Create and Initialize a Semaphore object used for managing resources. 
+      @param number of available resources; maximum index value is (count-1).
+    */
+    Semaphore(int32_t count);
+    
+    /** Wait until a Semaphore resource becomes available. 
+      @param   millisec  timeout value or 0 in case of no time-out. (default: osWaitForever).
+      @return  number of available tokens, or -1 in case of incorrect parameters
+    */
+    int32_t wait(uint32_t millisec=osWaitForever);
+    
+    /** Release a Semaphore resource that was obtain with Semaphore::wait.
+      @return  status code that indicates the execution status of the function. 
+    */
+    osStatus release(void);
+    
+    ~Semaphore();
+
+private:
+    osSemaphoreId _osSemaphoreId;
+    osSemaphoreDef_t _osSemaphoreDef;
+#ifdef CMSIS_OS_RTX
+    uint32_t _semaphore_data[2];
+#endif
+};
+
+}
+#endif
diff --git a/libraries/rtos/rtos/Thread.cpp b/libraries/rtos/rtos/Thread.cpp
new file mode 100644
index 0000000000..ed9e317c08
--- /dev/null
+++ b/libraries/rtos/rtos/Thread.cpp
@@ -0,0 +1,90 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "Thread.h"
+
+#include "error.h"
+
+namespace rtos {
+
+Thread::Thread(void (*task)(void const *argument), void *argument,
+        osPriority priority, uint32_t stack_size, unsigned char *stack_pointer) {
+#ifdef CMSIS_OS_RTX
+    _thread_def.pthread = task;
+    _thread_def.tpriority = priority;
+    _thread_def.stacksize = stack_size;
+    if (stack_pointer != NULL) {
+        _thread_def.stack_pointer = stack_pointer;
+        _dynamic_stack = false;
+    } else {
+        _thread_def.stack_pointer = new unsigned char[stack_size];
+        if (_thread_def.stack_pointer == NULL)
+            error("Error allocating the stack memory");
+        _dynamic_stack = true;
+    }
+#endif
+    _tid = osThreadCreate(&_thread_def, argument);
+}
+
+osStatus Thread::terminate() {
+    return osThreadTerminate(_tid);
+}
+
+osStatus Thread::set_priority(osPriority priority) {
+    return osThreadSetPriority(_tid, priority);
+}
+
+osPriority Thread::get_priority() {
+    return osThreadGetPriority(_tid);
+}
+
+int32_t Thread::signal_set(int32_t signals) {
+    return osSignalSet(_tid, signals);
+}
+
+Thread::State Thread::get_state() {
+    return ((State)_thread_def.tcb.state);
+}
+
+osEvent Thread::signal_wait(int32_t signals, uint32_t millisec) {
+    return osSignalWait(signals, millisec);
+}
+
+osStatus Thread::wait(uint32_t millisec) {
+    return osDelay(millisec);
+}
+
+osStatus Thread::yield() {
+    return osThreadYield();
+}
+
+osThreadId Thread::gettid() {
+    return osThreadGetId();
+}
+
+Thread::~Thread() {
+    terminate();
+    if (_dynamic_stack) {
+        delete[] (_thread_def.stack_pointer);
+    }
+}
+
+}
diff --git a/libraries/rtos/rtos/Thread.h b/libraries/rtos/rtos/Thread.h
new file mode 100644
index 0000000000..0d9007530e
--- /dev/null
+++ b/libraries/rtos/rtos/Thread.h
@@ -0,0 +1,118 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef THREAD_H
+#define THREAD_H
+
+#include 
+#include "cmsis_os.h"
+
+namespace rtos {
+
+/** The Thread class allow defining, creating, and controlling thread functions in the system. */
+class Thread {
+public:
+    /** Create a new thread, and start it executing the specified function.
+      @param   task           function to be executed by this thread.
+      @param   argument       pointer that is passed to the thread function as start argument. (default: NULL).
+      @param   priority       initial priority of the thread function. (default: osPriorityNormal).
+      @param   stack_size      stack size (in bytes) requirements for the thread function. (default: DEFAULT_STACK_SIZE).
+      @param   stack_pointer  pointer to the stack area to be used by this thread (default: NULL).
+    */
+    Thread(void (*task)(void const *argument), void *argument=NULL,
+           osPriority priority=osPriorityNormal,
+           uint32_t stack_size=DEFAULT_STACK_SIZE,
+           unsigned char *stack_pointer=NULL);
+    
+    /** Terminate execution of a thread and remove it from Active Threads
+      @return  status code that indicates the execution status of the function.
+    */
+    osStatus terminate();
+    
+    /** Set priority of an active thread
+      @param   priority  new priority value for the thread function.
+      @return  status code that indicates the execution status of the function.
+    */
+    osStatus set_priority(osPriority priority);
+    
+    /** Get priority of an active thread
+      @return  current priority value of the thread function.
+    */
+    osPriority get_priority();
+    
+    /** Set the specified Signal Flags of an active thread.
+      @param   signals  specifies the signal flags of the thread that should be set.
+      @return  previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters.
+    */
+    int32_t signal_set(int32_t signals);
+    
+    /** State of the Thread */
+    enum State {
+        Inactive,           /**< Not created or terminated */
+        Ready,              /**< Ready to run */
+        Running,            /**< Running */
+        WaitingDelay,       /**< Waiting for a delay to occur */
+        WaitingInterval,    /**< Waiting for an interval to occur */
+        WaitingOr,          /**< Waiting for one event in a set to occur */
+        WaitingAnd,         /**< Waiting for multiple events in a set to occur */
+        WaitingSemaphore,   /**< Waiting for a semaphore event to occur */
+        WaitingMailbox,     /**< Waiting for a mailbox event to occur */
+        WaitingMutex,       /**< Waiting for a mutex event to occur */
+    };
+    
+    /** State of this Thread
+      @return  the State of this Thread
+    */
+    State get_state();
+    
+    /** Wait for one or more Signal Flags to become signaled for the current RUNNING thread. 
+      @param   signals   wait until all specified signal flags set or 0 for any single signal flag.
+      @param   millisec  timeout value or 0 in case of no time-out. (default: osWaitForever).
+      @return  event flag information or error code.
+    */
+    static osEvent signal_wait(int32_t signals, uint32_t millisec=osWaitForever);
+    
+    /** Wait for a specified time period in millisec:
+      @param   millisec  time delay value
+      @return  status code that indicates the execution status of the function. 
+    */
+    static osStatus wait(uint32_t millisec);
+    
+    /** Pass control to next thread that is in state READY.
+      @return  status code that indicates the execution status of the function.
+    */
+    static osStatus yield();
+    
+    /** Get the thread id of the current running thread.
+      @return  thread ID for reference by other functions or NULL in case of error.
+    */
+    static osThreadId gettid();
+    
+    virtual ~Thread();
+
+private:
+    osThreadId _tid;
+    osThreadDef_t _thread_def;
+    bool _dynamic_stack;
+};
+
+}
+#endif
diff --git a/libraries/rtos/rtos/rtos.h b/libraries/rtos/rtos/rtos.h
new file mode 100644
index 0000000000..26f251aeb1
--- /dev/null
+++ b/libraries/rtos/rtos/rtos.h
@@ -0,0 +1,35 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef RTOS_H
+#define RTOS_H
+
+#include "Thread.h"
+#include "Mutex.h"
+#include "RtosTimer.h"
+#include "Semaphore.h"
+#include "Mail.h"
+#include "MemoryPool.h"
+#include "Queue.h"
+
+using namespace rtos;
+
+#endif
diff --git a/libraries/rtos/rtx/HAL_CM.c b/libraries/rtos/rtx/HAL_CM.c
new file mode 100644
index 0000000000..8df7d48a5c
--- /dev/null
+++ b/libraries/rtos/rtx/HAL_CM.c
@@ -0,0 +1,170 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    HAL_CM.C
+ *      Purpose: Hardware Abstraction Layer for Cortex-M
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_HAL_CM.h"
+
+
+/*----------------------------------------------------------------------------
+ *      Global Variables
+ *---------------------------------------------------------------------------*/
+
+#ifdef DBG_MSG
+BIT dbg_msg;
+#endif
+
+/*----------------------------------------------------------------------------
+ *      Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_init_stack ---------------------------------*/
+
+void rt_init_stack (P_TCB p_TCB, FUNCP task_body) {
+  /* Prepare TCB and saved context for a first time start of a task. */
+  U32 *stk,i,size;
+
+  /* Prepare a complete interrupt frame for first task start */
+  size = p_TCB->priv_stack >> 2;
+  
+  /* Write to the top of stack. */
+  stk = &p_TCB->stack[size];
+
+  /* Auto correct to 8-byte ARM stack alignment. */
+  if ((U32)stk & 0x04) {
+    stk--;
+  }
+
+  stk -= 16;
+
+  /* Default xPSR and initial PC */
+  stk[15] = INITIAL_xPSR;
+  stk[14] = (U32)task_body;
+
+  /* Clear R4-R11,R0-R3,R12,LR registers. */
+  for (i = 0; i < 14; i++) {
+    stk[i] = 0;
+  }
+
+  /* Assign a void pointer to R0. */
+  stk[8] = (U32)p_TCB->msg;
+
+  /* Initial Task stack pointer. */
+  p_TCB->tsk_stack = (U32)stk;
+
+  /* Task entry point. */
+  p_TCB->ptask = task_body;
+
+  /* Set a magic word for checking of stack overflow.
+   For the main thread (ID: 0x01) the stack is in a memory area shared with the
+   heap, therefore the last word of the stack is a moving target.
+   We want to do stack/heap collision detection instead.
+  */
+  if (p_TCB->task_id != 0x01)
+      p_TCB->stack[0] = MAGIC_WORD;
+}
+
+
+/*--------------------------- rt_ret_val ----------------------------------*/
+
+static __inline U32 *rt_ret_regs (P_TCB p_TCB) {
+  /* Get pointer to task return value registers (R0..R3) in Stack */
+#if (__TARGET_FPU_VFP)
+  if (p_TCB->stack_frame) {
+    /* Extended Stack Frame: R4-R11,S16-S31,R0-R3,R12,LR,PC,xPSR,S0-S15,FPSCR */
+    return (U32 *)(p_TCB->tsk_stack + 8*4 + 16*4);
+  } else {
+    /* Basic Stack Frame: R4-R11,R0-R3,R12,LR,PC,xPSR */
+    return (U32 *)(p_TCB->tsk_stack + 8*4);
+  }
+#else
+  /* Stack Frame: R4-R11,R0-R3,R12,LR,PC,xPSR */
+  return (U32 *)(p_TCB->tsk_stack + 8*4);
+#endif
+}
+
+void rt_ret_val (P_TCB p_TCB, U32 v0) {
+  U32 *ret;
+
+  ret = rt_ret_regs(p_TCB);
+  ret[0] = v0;
+}
+
+void rt_ret_val2(P_TCB p_TCB, U32 v0, U32 v1) {
+  U32 *ret;
+
+  ret = rt_ret_regs(p_TCB);
+  ret[0] = v0;
+  ret[1] = v1;
+}
+
+
+/*--------------------------- dbg_init --------------------------------------*/
+
+#ifdef DBG_MSG
+void dbg_init (void) {
+  if ((DEMCR & DEMCR_TRCENA)     && 
+      (ITM_CONTROL & ITM_ITMENA) &&
+      (ITM_ENABLE & (1UL << 31))) {
+    dbg_msg = __TRUE;
+  }
+}
+#endif
+
+/*--------------------------- dbg_task_notify -------------------------------*/
+
+#ifdef DBG_MSG
+void dbg_task_notify (P_TCB p_tcb, BOOL create) {
+  while (ITM_PORT31_U32 == 0);
+  ITM_PORT31_U32 = (U32)p_tcb->ptask;
+  while (ITM_PORT31_U32 == 0);
+  ITM_PORT31_U16 = (create << 8) | p_tcb->task_id;
+}
+#endif
+
+/*--------------------------- dbg_task_switch -------------------------------*/
+
+#ifdef DBG_MSG
+void dbg_task_switch (U32 task_id) {
+  while (ITM_PORT31_U32 == 0);
+  ITM_PORT31_U8 = task_id;
+}
+#endif
+
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/LPC11U24/GCC_ARM/HAL_CM0.s b/libraries/rtos/rtx/LPC11U24/GCC_ARM/HAL_CM0.s
new file mode 100644
index 0000000000..416b8279b8
--- /dev/null
+++ b/libraries/rtos/rtx/LPC11U24/GCC_ARM/HAL_CM0.s
@@ -0,0 +1,370 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    HAL_CM0.S
+ *      Purpose: Hardware Abstraction Layer for Cortex-M0
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+        .file   "HAL_CM0.S"
+        .syntax unified
+
+        .equ    TCB_TSTACK, 36
+
+
+/*----------------------------------------------------------------------------
+ *      Functions
+ *---------------------------------------------------------------------------*/
+
+        .thumb
+
+        .section ".text"
+        .align  2
+
+
+/*--------------------------- rt_set_PSP ------------------------------------*/
+
+#       void rt_set_PSP (U32 stack);
+
+        .thumb_func
+        .type   rt_set_PSP, %function
+        .global rt_set_PSP
+rt_set_PSP:
+        .fnstart
+        .cantunwind
+
+        MSR     PSP,R0
+        BX      LR
+
+        .fnend
+        .size   rt_set_PSP, .-rt_set_PSP
+
+
+/*--------------------------- rt_get_PSP ------------------------------------*/
+
+#       U32 rt_get_PSP (void);
+
+        .thumb_func
+        .type   rt_get_PSP, %function
+        .global rt_get_PSP
+rt_get_PSP:
+        .fnstart
+        .cantunwind
+
+        MRS     R0,PSP
+        BX      LR
+
+        .fnend
+        .size   rt_get_PSP, .-rt_get_PSP
+
+
+/*--------------------------- os_set_env ------------------------------------*/
+
+#       void os_set_env (void);
+        /* Switch to Unprivileged/Privileged Thread mode, use PSP. */
+
+        .thumb_func
+        .type   os_set_env, %function
+        .global os_set_env
+os_set_env:
+        .fnstart
+        .cantunwind
+
+        MOV     R0,SP                   /* PSP = MSP */
+        MSR     PSP,R0
+        LDR     R0,=os_flags
+        LDRB    R0,[R0]
+        LSLS    R0,#31
+        BNE     PrivilegedE
+        MOVS    R0,#0x03                /* Unprivileged Thread mode, use PSP */
+        MSR     CONTROL,R0
+        BX      LR
+PrivilegedE:
+        MOVS    R0,#0x02                /* Privileged Thread mode, use PSP */
+        MSR     CONTROL,R0
+        BX      LR
+
+        .fnend
+        .size   os_set_env, .-os_set_env
+
+
+/*--------------------------- _alloc_box ------------------------------------*/
+
+#      void *_alloc_box (void *box_mem);
+       /* Function wrapper for Unprivileged/Privileged mode. */
+
+        .thumb_func
+        .type   _alloc_box, %function
+        .global _alloc_box
+_alloc_box:
+        .fnstart
+        .cantunwind
+
+        LDR     R3,=rt_alloc_box
+        MOV     R12,R3
+        MRS     R3,IPSR
+        LSLS    R3,#24
+        BNE     PrivilegedA
+        MRS     R3,CONTROL
+        LSLS    R3,#31
+        BEQ     PrivilegedA
+        SVC     0
+        BX      LR
+PrivilegedA:
+        BX      R12
+
+        .fnend
+        .size   _alloc_box, .-_alloc_box
+
+
+/*--------------------------- _free_box -------------------------------------*/
+
+#       int _free_box (void *box_mem, void *box);
+        /* Function wrapper for Unprivileged/Privileged mode. */
+
+        .thumb_func
+        .type   _free_box, %function
+        .global _free_box
+_free_box:
+        .fnstart
+        .cantunwind
+
+        LDR     R3,=rt_free_box
+        MOV     R12,R3
+        MRS     R3,IPSR
+        LSLS    R3,#24
+        BNE     PrivilegedF
+        MRS     R3,CONTROL
+        LSLS    R3,#31
+        BEQ     PrivilegedF
+        SVC     0
+        BX      LR
+PrivilegedF:
+        BX      R12
+
+        .fnend
+        .size   _free_box, .-_free_box
+
+
+/*-------------------------- SVC_Handler ------------------------------------*/
+
+#       void SVC_Handler (void);
+
+        .thumb_func
+        .type   SVC_Handler, %function
+        .global SVC_Handler
+SVC_Handler:
+        .fnstart
+        .cantunwind
+
+        MRS     R0,PSP                  /* Read PSP */
+        LDR     R1,[R0,#24]             /* Read Saved PC from Stack */
+        SUBS    R1,R1,#2                /* Point to SVC Instruction */
+        LDRB    R1,[R1]                 /* Load SVC Number */
+        CMP     R1,#0
+        BNE     SVC_User                /* User SVC Number > 0 */
+
+        MOV     LR,R4
+        LDMIA   R0,{R0-R3,R4}           /* Read R0-R3,R12 from stack */
+        MOV     R12,R4
+        MOV     R4,LR
+        BLX     R12                     /* Call SVC Function */
+
+        MRS     R3,PSP                  /* Read PSP */
+        STMIA   R3!,{R0-R2}             /* Store return values */
+
+        LDR     R3,=os_tsk
+        LDMIA   R3!,{R1,R2}             /* os_tsk.run, os_tsk.new */
+        CMP     R1,R2
+        BEQ     SVC_Exit                /* no task switch */
+
+        SUBS    R3,#8
+        CMP     R1,#0                   /* Runtask deleted? */
+        BEQ     SVC_Next
+
+        MRS     R0,PSP                  /* Read PSP */
+        SUBS    R0,R0,#32               /* Adjust Start Address */
+        STR     R0,[R1,#TCB_TSTACK]     /* Update os_tsk.run->tsk_stack */       
+        STMIA   R0!,{R4-R7}             /* Save old context (R4-R7) */
+        MOV     R4,R8
+        MOV     R5,R9
+        MOV     R6,R10
+        MOV     R7,R11
+        STMIA   R0!,{R4-R7}             /* Save old context (R8-R11) */
+
+        PUSH    {R2,R3}
+        BL      rt_stk_check            /* Check for Stack overflow */
+        POP     {R2,R3}
+
+SVC_Next:
+        STR     R2,[R3]                 /* os_tsk.run = os_tsk.new */
+
+        LDR     R0,[R2,#TCB_TSTACK]     /* os_tsk.new->tsk_stack */
+        ADDS    R0,R0,#16               /* Adjust Start Address */
+        LDMIA   R0!,{R4-R7}             /* Restore new Context (R8-R11) */
+        MOV     R8,R4
+        MOV     R9,R5
+        MOV     R10,R6
+        MOV     R11,R7
+        MSR     PSP,R0                  /* Write PSP */
+        SUBS    R0,R0,#32               /* Adjust Start Address */
+        LDMIA   R0!,{R4-R7}             /* Restore new Context (R4-R7) */
+
+SVC_Exit:
+        MOVS    R0,#~0xFFFFFFFD         /* Set EXC_RETURN value */
+        MVNS    R0,R0
+        BX      R0                      /* RETI to Thread Mode, use PSP */
+
+        /*------------------- User SVC ------------------------------*/
+
+SVC_User:
+        PUSH    {R4,LR}                 /* Save Registers */
+        LDR     R2,=SVC_Count
+        LDR     R2,[R2]
+        CMP     R1,R2
+        BHI     SVC_Done                /* Overflow */
+
+        LDR     R4,=SVC_Table-4
+        LSLS    R1,R1,#2
+        LDR     R4,[R4,R1]              /* Load SVC Function Address */
+        MOV     LR,R4
+
+        LDMIA   R0,{R0-R3,R4}           /* Read R0-R3,R12 from stack */
+        MOV     R12,R4
+        BLX     LR                      /* Call SVC Function */
+
+        MRS     R4,PSP                  /* Read PSP */
+        STMIA   R4!,{R0-R3}             /* Function return values */
+SVC_Done:
+        POP     {R4,PC}                 /* RETI */
+
+        .fnend
+        .size   SVC_Handler, .-SVC_Handler
+        
+
+/*-------------------------- PendSV_Handler ---------------------------------*/
+
+#       void PendSV_Handler (void);
+
+        .thumb_func
+        .type   PendSV_Handler, %function
+        .global PendSV_Handler
+        .global Sys_Switch
+PendSV_Handler:
+        .fnstart
+        .cantunwind
+
+        BL      rt_pop_req
+
+Sys_Switch:
+        LDR     R3,=os_tsk
+        LDMIA   R3!,{R1,R2}             /* os_tsk.run, os_tsk.new */
+        CMP     R1,R2
+        BEQ     Sys_Exit                /* no task switch */
+
+        SUBS    R3,#8
+
+        MRS     R0,PSP                  /* Read PSP */
+        SUBS    R0,R0,#32               /* Adjust Start Address */
+        STR     R0,[R1,#TCB_TSTACK]     /* Update os_tsk.run->tsk_stack */
+        STMIA   R0!,{R4-R7}             /* Save old context (R4-R7) */
+        MOV     R4,R8
+        MOV     R5,R9
+        MOV     R6,R10
+        MOV     R7,R11
+        STMIA   R0!,{R4-R7}             /* Save old context (R8-R11) */
+
+        PUSH    {R2,R3}
+        BL      rt_stk_check            /* Check for Stack overflow */
+        POP     {R2,R3}
+
+        STR     R2,[R3]                 /* os_tsk.run = os_tsk.new */
+
+        LDR     R0,[R2,#TCB_TSTACK]     /* os_tsk.new->tsk_stack */
+        ADDS    R0,R0,#16               /* Adjust Start Address */
+        LDMIA   R0!,{R4-R7}             /* Restore new Context (R8-R11) */
+        MOV     R8,R4
+        MOV     R9,R5
+        MOV     R10,R6
+        MOV     R11,R7
+        MSR     PSP,R0                  /* Write PSP */
+        SUBS    R0,R0,#32               /* Adjust Start Address */
+        LDMIA   R0!,{R4-R7}             /* Restore new Context (R4-R7) */
+
+Sys_Exit:
+        MOVS    R0,#~0xFFFFFFFD         /* Set EXC_RETURN value */
+        MVNS    R0,R0
+        BX      R0                      /* RETI to Thread Mode, use PSP */
+
+        .fnend
+        .size   PendSV_Handler, .-PendSV_Handler
+
+
+/*-------------------------- SysTick_Handler --------------------------------*/
+
+#       void SysTick_Handler (void);
+
+        .thumb_func
+        .type   SysTick_Handler, %function
+        .global SysTick_Handler
+SysTick_Handler:
+        .fnstart
+        .cantunwind
+
+        BL      rt_systick
+        B       Sys_Switch
+
+        .fnend
+        .size   SysTick_Handler, .-SysTick_Handler
+
+
+/*-------------------------- OS_Tick_Handler --------------------------------*/
+
+#       void OS_Tick_Handler (void);
+
+        .thumb_func
+        .type   OS_Tick_Handler, %function
+        .global OS_Tick_Handler
+OS_Tick_Handler:
+        .fnstart
+        .cantunwind
+
+        BL      os_tick_irqack
+        BL      rt_systick
+        B       Sys_Switch
+
+        .fnend
+        .size   OS_Tick_Handler, .-OS_Tick_Handler
+
+
+        .end
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff --git a/libraries/rtos/rtx/LPC11U24/GCC_ARM/SVC_Table.s b/libraries/rtos/rtx/LPC11U24/GCC_ARM/SVC_Table.s
new file mode 100644
index 0000000000..47bf2d9d38
--- /dev/null
+++ b/libraries/rtos/rtx/LPC11U24/GCC_ARM/SVC_Table.s
@@ -0,0 +1,56 @@
+;/*----------------------------------------------------------------------------
+; *      RL-ARM - RTX
+; *----------------------------------------------------------------------------
+; *      Name:    SVC_TABLE.S
+; *      Purpose: Pre-defined SVC Table for Cortex-M
+; *      Rev.:    V4.60
+; *----------------------------------------------------------------------------
+; *
+; * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+; * All rights reserved.
+; * Redistribution and use in source and binary forms, with or without
+; * modification, are permitted provided that the following conditions are met:
+; *  - Redistributions of source code must retain the above copyright
+; *    notice, this list of conditions and the following disclaimer.
+; *  - Redistributions in binary form must reproduce the above copyright
+; *    notice, this list of conditions and the following disclaimer in the
+; *    documentation and/or other materials provided with the distribution.
+; *  - Neither the name of ARM  nor the names of its contributors may be used 
+; *    to endorse or promote products derived from this software without 
+; *    specific prior written permission.
+; *
+; * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+; * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+; * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+; * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+; * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+; * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+; * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+; * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+; * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+; * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+; * POSSIBILITY OF SUCH DAMAGE.
+; *---------------------------------------------------------------------------*/
+
+
+        .file   "SVC_Table.S"
+
+
+        .section ".svc_table"
+
+        .global  SVC_Table
+SVC_Table:
+/* Insert user SVC functions here. SVC 0 used by RTL Kernel. */
+#       .long   __SVC_1                 /* user SVC function */
+SVC_End:
+
+        .global  SVC_Count
+SVC_Count:
+        .long   (SVC_End-SVC_Table)/4
+
+
+        .end
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff --git a/libraries/rtos/rtx/LPC11U24/uARM/HAL_CM0.c b/libraries/rtos/rtx/LPC11U24/uARM/HAL_CM0.c
new file mode 100644
index 0000000000..a2b519dec6
--- /dev/null
+++ b/libraries/rtos/rtx/LPC11U24/uARM/HAL_CM0.c
@@ -0,0 +1,301 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    HAL_CM0.C
+ *      Purpose: Hardware Abstraction Layer for Cortex-M0
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_HAL_CM.h"
+#include "rt_Task.h"
+#include "rt_MemBox.h"
+
+
+/*----------------------------------------------------------------------------
+ *      Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_set_PSP ------------------------------------*/
+
+__asm void rt_set_PSP (U32 stack) {
+        MSR     PSP,R0
+        BX      LR
+}
+
+
+/*--------------------------- rt_get_PSP ------------------------------------*/
+
+__asm U32 rt_get_PSP (void) {
+        MRS     R0,PSP
+        BX      LR
+}
+
+
+/*--------------------------- os_set_env ------------------------------------*/
+
+__asm void os_set_env (void) {
+   /* Switch to Unprivileged/Privileged Thread mode, use PSP. */
+        MOV     R0,SP                   ; PSP = MSP
+        MSR     PSP,R0
+        LDR     R0,=__cpp(&os_flags)
+        LDRB    R0,[R0]
+        LSLS    R0,#31
+        BNE     PrivilegedE
+        MOVS    R0,#0x03                ; Unprivileged Thread mode, use PSP
+        MSR     CONTROL,R0
+        BX      LR
+PrivilegedE
+        MOVS    R0,#0x02                ; Privileged Thread mode, use PSP
+        MSR     CONTROL,R0
+        BX      LR
+
+        ALIGN
+}
+
+
+/*--------------------------- _alloc_box ------------------------------------*/
+
+__asm void *_alloc_box (void *box_mem) {
+   /* Function wrapper for Unprivileged/Privileged mode. */
+        LDR     R3,=__cpp(rt_alloc_box)
+        MOV     R12,R3
+        MRS     R3,IPSR
+        LSLS    R3,#24
+        BNE     PrivilegedA
+        MRS     R3,CONTROL
+        LSLS    R3,#31
+        BEQ     PrivilegedA
+        SVC     0
+        BX      LR
+PrivilegedA
+        BX      R12
+
+        ALIGN
+}
+
+
+/*--------------------------- _free_box -------------------------------------*/
+
+__asm int _free_box (void *box_mem, void *box) {
+   /* Function wrapper for Unprivileged/Privileged mode. */
+        LDR     R3,=__cpp(rt_free_box)
+        MOV     R12,R3
+        MRS     R3,IPSR
+        LSLS    R3,#24
+        BNE     PrivilegedF
+        MRS     R3,CONTROL
+        LSLS    R3,#31
+        BEQ     PrivilegedF
+        SVC     0
+        BX      LR
+PrivilegedF
+        BX      R12
+
+        ALIGN
+}
+
+
+/*-------------------------- SVC_Handler ------------------------------------*/
+
+__asm void SVC_Handler (void) {
+        PRESERVE8
+
+        IMPORT  SVC_Count
+        IMPORT  SVC_Table
+        IMPORT  rt_stk_check
+
+        MRS     R0,PSP                  ; Read PSP
+        LDR     R1,[R0,#24]             ; Read Saved PC from Stack
+        SUBS    R1,R1,#2                ; Point to SVC Instruction
+        LDRB    R1,[R1]                 ; Load SVC Number
+        CMP     R1,#0
+        BNE     SVC_User                ; User SVC Number > 0
+
+        MOV     LR,R4
+        LDMIA   R0,{R0-R3,R4}           ; Read R0-R3,R12 from stack
+        MOV     R12,R4
+        MOV     R4,LR
+        BLX     R12                     ; Call SVC Function 
+
+        MRS     R3,PSP                  ; Read PSP
+        STMIA   R3!,{R0-R2}             ; Store return values
+
+        LDR     R3,=__cpp(&os_tsk)
+        LDMIA   R3!,{R1,R2}             ; os_tsk.run, os_tsk.new
+        CMP     R1,R2
+        BEQ     SVC_Exit                ; no task switch
+
+        SUBS    R3,#8
+        CMP     R1,#0                   ; Runtask deleted?
+        BEQ     SVC_Next
+
+        MRS     R0,PSP                  ; Read PSP
+        SUBS    R0,R0,#32               ; Adjust Start Address
+        STR     R0,[R1,#TCB_TSTACK]     ; Update os_tsk.run->tsk_stack       
+        STMIA   R0!,{R4-R7}             ; Save old context (R4-R7)
+        MOV     R4,R8
+        MOV     R5,R9
+        MOV     R6,R10
+        MOV     R7,R11
+        STMIA   R0!,{R4-R7}             ; Save old context (R8-R11)
+        
+        PUSH    {R2,R3}
+        BL      rt_stk_check            ; Check for Stack overflow
+        POP     {R2,R3}
+
+SVC_Next
+        STR     R2,[R3]                 ; os_tsk.run = os_tsk.new
+
+        LDR     R0,[R2,#TCB_TSTACK]     ; os_tsk.new->tsk_stack
+        ADDS    R0,R0,#16               ; Adjust Start Address
+        LDMIA   R0!,{R4-R7}             ; Restore new Context (R8-R11)
+        MOV     R8,R4
+        MOV     R9,R5
+        MOV     R10,R6
+        MOV     R11,R7
+        MSR     PSP,R0                  ; Write PSP
+        SUBS    R0,R0,#32               ; Adjust Start Address
+        LDMIA   R0!,{R4-R7}             ; Restore new Context (R4-R7)
+
+SVC_Exit
+        MOVS    R0,#:NOT:0xFFFFFFFD     ; Set EXC_RETURN value
+        MVNS    R0,R0
+        BX      R0                      ; RETI to Thread Mode, use PSP
+
+        /*------------------- User SVC ------------------------------*/
+
+SVC_User
+        PUSH    {R4,LR}                 ; Save Registers
+        LDR     R2,=SVC_Count
+        LDR     R2,[R2]
+        CMP     R1,R2
+        BHI     SVC_Done                ; Overflow
+
+        LDR     R4,=SVC_Table-4
+        LSLS    R1,R1,#2
+        LDR     R4,[R4,R1]              ; Load SVC Function Address
+        MOV     LR,R4
+
+        LDMIA   R0,{R0-R3,R4}           ; Read R0-R3,R12 from stack
+        MOV     R12,R4
+        BLX     LR                      ; Call SVC Function
+
+        MRS     R4,PSP                  ; Read PSP
+        STMIA   R4!,{R0-R3}             ; Function return values
+SVC_Done
+        POP     {R4,PC}                 ; RETI
+
+        ALIGN
+}
+
+
+/*-------------------------- PendSV_Handler ---------------------------------*/
+
+__asm void PendSV_Handler (void) {
+        PRESERVE8
+
+        BL      __cpp(rt_pop_req)
+
+Sys_Switch
+        LDR     R3,=__cpp(&os_tsk)
+        LDMIA   R3!,{R1,R2}             ; os_tsk.run, os_tsk.new
+        CMP     R1,R2
+        BEQ     Sys_Exit                ; no task switch
+
+        SUBS    R3,#8
+
+        MRS     R0,PSP                  ; Read PSP
+        SUBS    R0,R0,#32               ; Adjust Start Address
+        STR     R0,[R1,#TCB_TSTACK]     ; Update os_tsk.run->tsk_stack
+        STMIA   R0!,{R4-R7}             ; Save old context (R4-R7)
+        MOV     R4,R8
+        MOV     R5,R9
+        MOV     R6,R10
+        MOV     R7,R11
+        STMIA   R0!,{R4-R7}             ; Save old context (R8-R11)
+        
+        PUSH    {R2,R3}
+        BL      rt_stk_check            ; Check for Stack overflow
+        POP     {R2,R3}
+
+        STR     R2,[R3]                 ; os_tsk.run = os_tsk.new
+
+        LDR     R0,[R2,#TCB_TSTACK]     ; os_tsk.new->tsk_stack
+        ADDS    R0,R0,#16               ; Adjust Start Address
+        LDMIA   R0!,{R4-R7}             ; Restore new Context (R8-R11)
+        MOV     R8,R4
+        MOV     R9,R5
+        MOV     R10,R6
+        MOV     R11,R7
+        MSR     PSP,R0                  ; Write PSP
+        SUBS    R0,R0,#32               ; Adjust Start Address
+        LDMIA   R0!,{R4-R7}             ; Restore new Context (R4-R7)
+
+Sys_Exit
+        MOVS    R0,#:NOT:0xFFFFFFFD     ; Set EXC_RETURN value
+        MVNS    R0,R0
+        BX      R0                      ; RETI to Thread Mode, use PSP
+
+        ALIGN
+}
+
+
+/*-------------------------- SysTick_Handler --------------------------------*/
+
+__asm void SysTick_Handler (void) {
+        PRESERVE8
+
+        BL      __cpp(rt_systick)
+        B       Sys_Switch
+
+        ALIGN
+}
+
+
+/*-------------------------- OS_Tick_Handler --------------------------------*/
+
+__asm void OS_Tick_Handler (void) {
+        PRESERVE8
+
+        BL      __cpp(os_tick_irqack)
+        BL      __cpp(rt_systick)
+        B       Sys_Switch
+
+        ALIGN
+}
+
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/LPC11U24/uARM/SVC_Table.s b/libraries/rtos/rtx/LPC11U24/uARM/SVC_Table.s
new file mode 100644
index 0000000000..817f024883
--- /dev/null
+++ b/libraries/rtos/rtx/LPC11U24/uARM/SVC_Table.s
@@ -0,0 +1,57 @@
+;/*----------------------------------------------------------------------------
+; *      RL-ARM - RTX
+; *----------------------------------------------------------------------------
+; *      Name:    SVC_TABLE.S
+; *      Purpose: Pre-defined SVC Table for Cortex-M
+; *      Rev.:    V4.60
+; *----------------------------------------------------------------------------
+; *
+; * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+; * All rights reserved.
+; * Redistribution and use in source and binary forms, with or without
+; * modification, are permitted provided that the following conditions are met:
+; *  - Redistributions of source code must retain the above copyright
+; *    notice, this list of conditions and the following disclaimer.
+; *  - Redistributions in binary form must reproduce the above copyright
+; *    notice, this list of conditions and the following disclaimer in the
+; *    documentation and/or other materials provided with the distribution.
+; *  - Neither the name of ARM  nor the names of its contributors may be used 
+; *    to endorse or promote products derived from this software without 
+; *    specific prior written permission.
+; *
+; * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+; * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+; * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+; * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+; * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+; * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+; * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+; * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+; * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+; * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+; * POSSIBILITY OF SUCH DAMAGE.
+; *---------------------------------------------------------------------------*/
+
+
+                AREA    SVC_TABLE, CODE, READONLY
+
+                EXPORT  SVC_Count
+
+SVC_Cnt         EQU    (SVC_End-SVC_Table)/4
+SVC_Count       DCD     SVC_Cnt
+
+; Import user SVC functions here.
+;               IMPORT  __SVC_1
+
+                EXPORT  SVC_Table
+SVC_Table
+; Insert user SVC functions here. SVC 0 used by RTL Kernel.
+;               DCD     __SVC_1                 ; user SVC function
+
+SVC_End
+
+                END
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff --git a/libraries/rtos/rtx/LPC1768/ARM/HAL_CM3.c b/libraries/rtos/rtx/LPC1768/ARM/HAL_CM3.c
new file mode 100644
index 0000000000..9706d69c21
--- /dev/null
+++ b/libraries/rtos/rtx/LPC1768/ARM/HAL_CM3.c
@@ -0,0 +1,249 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    HAL_CM3.C
+ *      Purpose: Hardware Abstraction Layer for Cortex-M3
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_HAL_CM.h"
+#include "rt_Task.h"
+#include "rt_MemBox.h"
+
+
+/*----------------------------------------------------------------------------
+ *      Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_set_PSP ------------------------------------*/
+
+__asm void rt_set_PSP (U32 stack) {
+        MSR     PSP,R0
+        BX      LR
+}
+
+
+/*--------------------------- rt_get_PSP ------------------------------------*/
+
+__asm U32 rt_get_PSP (void) {
+        MRS     R0,PSP
+        BX      LR
+}
+
+
+/*--------------------------- os_set_env ------------------------------------*/
+
+__asm void os_set_env (void) {
+   /* Switch to Unprivileged/Privileged Thread mode, use PSP. */
+        MOV     R0,SP                   ; PSP = MSP
+        MSR     PSP,R0
+        LDR     R0,=__cpp(&os_flags)
+        LDRB    R0,[R0]
+        LSLS    R0,#31
+        MOVNE   R0,#0x02                ; Privileged Thread mode, use PSP
+        MOVEQ   R0,#0x03                ; Unprivileged Thread mode, use PSP
+        MSR     CONTROL,R0
+        BX      LR
+
+        ALIGN
+}
+
+
+/*--------------------------- _alloc_box ------------------------------------*/
+
+__asm void *_alloc_box (void *box_mem) {
+   /* Function wrapper for Unprivileged/Privileged mode. */
+        LDR     R12,=__cpp(rt_alloc_box)
+        MRS     R3,IPSR
+        LSLS    R3,#24
+        BXNE    R12
+        MRS     R3,CONTROL
+        LSLS    R3,#31
+        BXEQ    R12
+        SVC     0
+        BX      LR
+
+        ALIGN
+}
+
+
+/*--------------------------- _free_box -------------------------------------*/
+
+__asm int _free_box (void *box_mem, void *box) {
+   /* Function wrapper for Unprivileged/Privileged mode. */
+        LDR     R12,=__cpp(rt_free_box)
+        MRS     R3,IPSR
+        LSLS    R3,#24
+        BXNE    R12
+        MRS     R3,CONTROL
+        LSLS    R3,#31
+        BXEQ    R12
+        SVC     0
+        BX      LR
+
+        ALIGN
+}
+
+
+/*-------------------------- SVC_Handler ------------------------------------*/
+
+__asm void SVC_Handler (void) {
+        PRESERVE8
+
+        IMPORT  SVC_Count
+        IMPORT  SVC_Table
+        IMPORT  rt_stk_check
+
+        MRS     R0,PSP                  ; Read PSP
+        LDR     R1,[R0,#24]             ; Read Saved PC from Stack
+        LDRB    R1,[R1,#-2]             ; Load SVC Number
+        CBNZ    R1,SVC_User
+
+        LDM     R0,{R0-R3,R12}          ; Read R0-R3,R12 from stack
+        BLX     R12                     ; Call SVC Function 
+
+        MRS     R12,PSP                 ; Read PSP
+        STM     R12,{R0-R2}             ; Store return values
+
+        LDR     R3,=__cpp(&os_tsk)
+        LDM     R3,{R1,R2}              ; os_tsk.run, os_tsk.new
+        CMP     R1,R2
+        BEQ     SVC_Exit                ; no task switch
+
+        CBZ     R1,SVC_Next             ; Runtask deleted?
+        STMDB   R12!,{R4-R11}           ; Save Old context
+        STR     R12,[R1,#TCB_TSTACK]    ; Update os_tsk.run->tsk_stack
+
+        PUSH    {R2,R3}
+        BL      rt_stk_check            ; Check for Stack overflow
+        POP     {R2,R3}
+
+SVC_Next
+        STR     R2,[R3]                 ; os_tsk.run = os_tsk.new
+
+        LDR     R12,[R2,#TCB_TSTACK]    ; os_tsk.new->tsk_stack
+        LDMIA   R12!,{R4-R11}           ; Restore New Context
+        MSR     PSP,R12                 ; Write PSP
+
+SVC_Exit
+        MVN     LR,#:NOT:0xFFFFFFFD     ; set EXC_RETURN value
+        BX      LR
+
+        /*------------------- User SVC ------------------------------*/
+
+SVC_User
+        PUSH    {R4,LR}                 ; Save Registers
+        LDR     R2,=SVC_Count
+        LDR     R2,[R2]
+        CMP     R1,R2
+        BHI     SVC_Done                ; Overflow
+
+        LDR     R4,=SVC_Table-4
+        LDR     R4,[R4,R1,LSL #2]       ; Load SVC Function Address
+
+        LDM     R0,{R0-R3,R12}          ; Read R0-R3,R12 from stack
+        BLX     R4                      ; Call SVC Function
+
+        MRS     R12,PSP
+        STM     R12,{R0-R3}             ; Function return values
+SVC_Done
+        POP     {R4,PC}                 ; RETI
+
+        ALIGN
+}
+
+
+/*-------------------------- PendSV_Handler ---------------------------------*/
+
+__asm void PendSV_Handler (void) {
+        PRESERVE8
+
+        BL      __cpp(rt_pop_req)
+
+Sys_Switch
+        LDR     R3,=__cpp(&os_tsk)
+        LDM     R3,{R1,R2}              ; os_tsk.run, os_tsk.new
+        CMP     R1,R2
+        BEQ     Sys_Exit
+
+        MRS     R12,PSP                 ; Read PSP
+        STMDB   R12!,{R4-R11}           ; Save Old context
+        STR     R12,[R1,#TCB_TSTACK]    ; Update os_tsk.run->tsk_stack
+
+        PUSH    {R2,R3}
+        BL      rt_stk_check            ; Check for Stack overflow
+        POP     {R2,R3}
+
+        STR     R2,[R3]                 ; os_tsk.run = os_tsk.new
+
+        LDR     R12,[R2,#TCB_TSTACK]    ; os_tsk.new->tsk_stack
+        LDMIA   R12!,{R4-R11}           ; Restore New Context
+        MSR     PSP,R12                 ; Write PSP
+
+Sys_Exit
+        MVN     LR,#:NOT:0xFFFFFFFD     ; set EXC_RETURN value
+        BX      LR                      ; Return to Thread Mode
+
+        ALIGN
+}
+
+
+/*-------------------------- SysTick_Handler --------------------------------*/
+
+__asm void SysTick_Handler (void) {
+        PRESERVE8
+
+        BL      __cpp(rt_systick)
+        B       Sys_Switch
+
+        ALIGN
+}
+
+
+/*-------------------------- OS_Tick_Handler --------------------------------*/
+
+__asm void OS_Tick_Handler (void) {
+        PRESERVE8
+
+        BL      __cpp(os_tick_irqack)
+        BL      __cpp(rt_systick)
+        B       Sys_Switch
+
+        ALIGN
+}
+
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/LPC1768/ARM/SVC_Table.s b/libraries/rtos/rtx/LPC1768/ARM/SVC_Table.s
new file mode 100644
index 0000000000..817f024883
--- /dev/null
+++ b/libraries/rtos/rtx/LPC1768/ARM/SVC_Table.s
@@ -0,0 +1,57 @@
+;/*----------------------------------------------------------------------------
+; *      RL-ARM - RTX
+; *----------------------------------------------------------------------------
+; *      Name:    SVC_TABLE.S
+; *      Purpose: Pre-defined SVC Table for Cortex-M
+; *      Rev.:    V4.60
+; *----------------------------------------------------------------------------
+; *
+; * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+; * All rights reserved.
+; * Redistribution and use in source and binary forms, with or without
+; * modification, are permitted provided that the following conditions are met:
+; *  - Redistributions of source code must retain the above copyright
+; *    notice, this list of conditions and the following disclaimer.
+; *  - Redistributions in binary form must reproduce the above copyright
+; *    notice, this list of conditions and the following disclaimer in the
+; *    documentation and/or other materials provided with the distribution.
+; *  - Neither the name of ARM  nor the names of its contributors may be used 
+; *    to endorse or promote products derived from this software without 
+; *    specific prior written permission.
+; *
+; * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+; * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+; * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+; * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+; * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+; * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+; * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+; * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+; * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+; * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+; * POSSIBILITY OF SUCH DAMAGE.
+; *---------------------------------------------------------------------------*/
+
+
+                AREA    SVC_TABLE, CODE, READONLY
+
+                EXPORT  SVC_Count
+
+SVC_Cnt         EQU    (SVC_End-SVC_Table)/4
+SVC_Count       DCD     SVC_Cnt
+
+; Import user SVC functions here.
+;               IMPORT  __SVC_1
+
+                EXPORT  SVC_Table
+SVC_Table
+; Insert user SVC functions here. SVC 0 used by RTL Kernel.
+;               DCD     __SVC_1                 ; user SVC function
+
+SVC_End
+
+                END
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff --git a/libraries/rtos/rtx/LPC1768/GCC_ARM/HAL_CM3.s b/libraries/rtos/rtx/LPC1768/GCC_ARM/HAL_CM3.s
new file mode 100644
index 0000000000..4b27f20928
--- /dev/null
+++ b/libraries/rtos/rtx/LPC1768/GCC_ARM/HAL_CM3.s
@@ -0,0 +1,323 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    HAL_CM3.S
+ *      Purpose: Hardware Abstraction Layer for Cortex-M3
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+        .file   "HAL_CM3.S"
+        .syntax unified
+
+        .equ    TCB_TSTACK, 36
+
+
+/*----------------------------------------------------------------------------
+ *      Functions
+ *---------------------------------------------------------------------------*/
+
+        .thumb
+
+        .section ".text"
+        .align  2
+
+
+/*--------------------------- rt_set_PSP ------------------------------------*/
+
+#       void rt_set_PSP (U32 stack);
+
+        .thumb_func
+        .type   rt_set_PSP, %function
+        .global rt_set_PSP
+rt_set_PSP:
+        .fnstart
+        .cantunwind
+
+        MSR     PSP,R0
+        BX      LR
+
+        .fnend
+        .size   rt_set_PSP, .-rt_set_PSP
+
+
+/*--------------------------- rt_get_PSP ------------------------------------*/
+
+#       U32 rt_get_PSP (void);
+
+        .thumb_func
+        .type   rt_get_PSP, %function
+        .global rt_get_PSP
+rt_get_PSP:
+        .fnstart
+        .cantunwind
+
+        MRS     R0,PSP
+        BX      LR
+
+        .fnend
+        .size   rt_get_PSP, .-rt_get_PSP
+
+
+/*--------------------------- os_set_env ------------------------------------*/
+
+#       void os_set_env (void);
+        /* Switch to Unprivileged/Privileged Thread mode, use PSP. */
+
+        .thumb_func
+        .type   os_set_env, %function
+        .global os_set_env
+os_set_env:
+        .fnstart
+        .cantunwind
+
+        MOV     R0,SP                   /* PSP = MSP */
+        MSR     PSP,R0
+        LDR     R0,=os_flags
+        LDRB    R0,[R0]
+        LSLS    R0,#31
+        ITE     NE
+        MOVNE   R0,#0x02                /* Privileged Thread mode, use PSP */
+        MOVEQ   R0,#0x03                /* Unprivileged Thread mode, use PSP */
+        MSR     CONTROL,R0
+        BX      LR
+
+        .fnend
+        .size   os_set_env, .-os_set_env
+
+
+/*--------------------------- _alloc_box ------------------------------------*/
+
+#      void *_alloc_box (void *box_mem);
+       /* Function wrapper for Unprivileged/Privileged mode. */
+
+        .thumb_func
+        .type   _alloc_box, %function
+        .global _alloc_box
+_alloc_box:
+        .fnstart
+        .cantunwind
+
+        LDR     R12,=rt_alloc_box
+        MRS     R3,IPSR
+        LSLS    R3,#24
+        IT      NE
+        BXNE    R12
+        MRS     R3,CONTROL
+        LSLS    R3,#31
+        IT      EQ
+        BXEQ    R12
+        SVC     0
+        BX      LR
+
+        .fnend
+        .size   _alloc_box, .-_alloc_box
+
+
+/*--------------------------- _free_box -------------------------------------*/
+
+#       int _free_box (void *box_mem, void *box);
+        /* Function wrapper for Unprivileged/Privileged mode. */
+
+        .thumb_func
+        .type   _free_box, %function
+        .global _free_box
+_free_box:
+        .fnstart
+        .cantunwind
+
+        LDR     R12,=rt_free_box
+        MRS     R3,IPSR
+        LSLS    R3,#24
+        IT      NE
+        BXNE    R12
+        MRS     R3,CONTROL
+        LSLS    R3,#31
+        IT      EQ
+        BXEQ    R12
+        SVC     0
+        BX      LR
+
+        .fnend
+        .size   _free_box, .-_free_box
+
+
+/*-------------------------- SVC_Handler ------------------------------------*/
+
+#       void SVC_Handler (void);
+
+        .thumb_func
+        .type   SVC_Handler, %function
+        .global SVC_Handler
+SVC_Handler:
+        .fnstart
+        .cantunwind
+
+        MRS     R0,PSP                  /* Read PSP */
+        LDR     R1,[R0,#24]             /* Read Saved PC from Stack */
+        LDRB    R1,[R1,#-2]             /* Load SVC Number */
+        CBNZ    R1,SVC_User
+
+        LDM     R0,{R0-R3,R12}          /* Read R0-R3,R12 from stack */
+        BLX     R12                     /* Call SVC Function */
+
+        MRS     R12,PSP                 /* Read PSP */
+        STM     R12,{R0-R2}             /* Store return values */
+
+        LDR     R3,=os_tsk
+        LDM     R3,{R1,R2}              /* os_tsk.run, os_tsk.new */
+        CMP     R1,R2
+        BEQ     SVC_Exit                /* no task switch */
+
+        CBZ     R1,SVC_Next             /* Runtask deleted? */
+        STMDB   R12!,{R4-R11}           /* Save Old context */
+        STR     R12,[R1,#TCB_TSTACK]    /* Update os_tsk.run->tsk_stack */
+
+        PUSH    {R2,R3}
+        BL      rt_stk_check            /* Check for Stack overflow */
+        POP     {R2,R3}
+
+SVC_Next:
+        STR     R2,[R3]                 /* os_tsk.run = os_tsk.new */
+
+        LDR     R12,[R2,#TCB_TSTACK]    /* os_tsk.new->tsk_stack */
+        LDMIA   R12!,{R4-R11}           /* Restore New Context */
+        MSR     PSP,R12                 /* Write PSP */
+
+SVC_Exit:
+        MVN     LR,#~0xFFFFFFFD         /* set EXC_RETURN value */
+        BX      LR
+
+        /*------------------- User SVC ------------------------------*/
+
+SVC_User:
+        PUSH    {R4,LR}                 /* Save Registers */
+        LDR     R2,=SVC_Count
+        LDR     R2,[R2]
+        CMP     R1,R2
+        BHI     SVC_Done                /* Overflow */
+
+        LDR     R4,=SVC_Table-4
+        LDR     R4,[R4,R1,LSL #2]       /* Load SVC Function Address */
+
+        LDM     R0,{R0-R3,R12}          /* Read R0-R3,R12 from stack */
+        BLX     R4                      /* Call SVC Function */
+
+        MRS     R12,PSP
+        STM     R12,{R0-R3}             /* Function return values */
+SVC_Done:
+        POP     {R4,PC}                 /* RETI */
+
+        .fnend
+        .size   SVC_Handler, .-SVC_Handler
+        
+
+/*-------------------------- PendSV_Handler ---------------------------------*/
+
+#       void PendSV_Handler (void);
+
+        .thumb_func
+        .type   PendSV_Handler, %function
+        .global PendSV_Handler
+        .global Sys_Switch
+PendSV_Handler:
+        .fnstart
+        .cantunwind
+
+        BL      rt_pop_req
+
+Sys_Switch:
+        LDR     R3,=os_tsk
+        LDM     R3,{R1,R2}              /* os_tsk.run, os_tsk.new */
+        CMP     R1,R2
+        BEQ     Sys_Exit
+
+        MRS     R12,PSP                 /* Read PSP */
+        STMDB   R12!,{R4-R11}           /* Save Old context */
+        STR     R12,[R1,#TCB_TSTACK]    /* Update os_tsk.run->tsk_stack */
+
+        PUSH    {R2,R3}
+        BL      rt_stk_check            /* Check for Stack overflow */
+        POP     {R2,R3}
+
+        STR     R2,[R3]                 /* os_tsk.run = os_tsk.new */
+
+        LDR     R12,[R2,#TCB_TSTACK]    /* os_tsk.new->tsk_stack */
+        LDMIA   R12!,{R4-R11}           /* Restore New Context */
+        MSR     PSP,R12                 /* Write PSP */
+
+Sys_Exit:
+        MVN     LR,#~0xFFFFFFFD         /* set EXC_RETURN value */
+        BX      LR                      /* Return to Thread Mode */
+
+        .fnend
+        .size   PendSV_Handler, .-PendSV_Handler
+
+
+/*-------------------------- SysTick_Handler --------------------------------*/
+
+#       void SysTick_Handler (void);
+
+        .thumb_func
+        .type   SysTick_Handler, %function
+        .global SysTick_Handler
+SysTick_Handler:
+        .fnstart
+        .cantunwind
+
+        BL      rt_systick
+        B       Sys_Switch
+
+        .fnend
+        .size   SysTick_Handler, .-SysTick_Handler
+
+
+/*-------------------------- OS_Tick_Handler --------------------------------*/
+
+#       void OS_Tick_Handler (void);
+
+        .thumb_func
+        .type   OS_Tick_Handler, %function
+        .global OS_Tick_Handler
+OS_Tick_Handler:
+        .fnstart
+        .cantunwind
+
+        BL      os_tick_irqack
+        BL      rt_systick
+        B       Sys_Switch
+
+        .fnend
+        .size   OS_Tick_Handler, .-OS_Tick_Handler
+
+
+        .end
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff --git a/libraries/rtos/rtx/LPC1768/GCC_ARM/SVC_Table.s b/libraries/rtos/rtx/LPC1768/GCC_ARM/SVC_Table.s
new file mode 100644
index 0000000000..47bf2d9d38
--- /dev/null
+++ b/libraries/rtos/rtx/LPC1768/GCC_ARM/SVC_Table.s
@@ -0,0 +1,56 @@
+;/*----------------------------------------------------------------------------
+; *      RL-ARM - RTX
+; *----------------------------------------------------------------------------
+; *      Name:    SVC_TABLE.S
+; *      Purpose: Pre-defined SVC Table for Cortex-M
+; *      Rev.:    V4.60
+; *----------------------------------------------------------------------------
+; *
+; * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+; * All rights reserved.
+; * Redistribution and use in source and binary forms, with or without
+; * modification, are permitted provided that the following conditions are met:
+; *  - Redistributions of source code must retain the above copyright
+; *    notice, this list of conditions and the following disclaimer.
+; *  - Redistributions in binary form must reproduce the above copyright
+; *    notice, this list of conditions and the following disclaimer in the
+; *    documentation and/or other materials provided with the distribution.
+; *  - Neither the name of ARM  nor the names of its contributors may be used 
+; *    to endorse or promote products derived from this software without 
+; *    specific prior written permission.
+; *
+; * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+; * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+; * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+; * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+; * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+; * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+; * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+; * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+; * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+; * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+; * POSSIBILITY OF SUCH DAMAGE.
+; *---------------------------------------------------------------------------*/
+
+
+        .file   "SVC_Table.S"
+
+
+        .section ".svc_table"
+
+        .global  SVC_Table
+SVC_Table:
+/* Insert user SVC functions here. SVC 0 used by RTL Kernel. */
+#       .long   __SVC_1                 /* user SVC function */
+SVC_End:
+
+        .global  SVC_Count
+SVC_Count:
+        .long   (SVC_End-SVC_Table)/4
+
+
+        .end
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff --git a/libraries/rtos/rtx/RTX_CM_lib.h b/libraries/rtos/rtx/RTX_CM_lib.h
new file mode 100644
index 0000000000..8047a09935
--- /dev/null
+++ b/libraries/rtos/rtx/RTX_CM_lib.h
@@ -0,0 +1,368 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RTX_CM_LIB.H
+ *      Purpose: RTX Kernel System Configuration
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+#include "error.h"
+
+#if   defined (__CC_ARM)
+#pragma O3
+#define __USED __attribute__((used))
+#elif defined (__GNUC__)
+#pragma GCC optimize ("O3")
+#define __USED __attribute__((used))
+#elif defined (__ICCARM__)
+#define __USED __root
+#endif
+
+
+/*----------------------------------------------------------------------------
+ *      Definitions
+ *---------------------------------------------------------------------------*/
+
+#define _declare_box(pool,size,cnt)  uint32_t pool[(((size)+3)/4)*(cnt) + 3]
+#define _declare_box8(pool,size,cnt) uint64_t pool[(((size)+7)/8)*(cnt) + 2]
+
+#define OS_TCB_SIZE     48
+#define OS_TMR_SIZE     8
+
+#if defined (__CC_ARM) && !defined (__MICROLIB)
+
+typedef void    *OS_ID;
+typedef uint32_t OS_TID;
+typedef uint32_t OS_MUT[3];
+typedef uint32_t OS_RESULT;
+
+#define runtask_id()    rt_tsk_self()
+#define mutex_init(m)   rt_mut_init(m)
+#define mutex_wait(m)   os_mut_wait(m,0xFFFF)
+#define mutex_rel(m)    os_mut_release(m)
+
+extern OS_TID    rt_tsk_self    (void);
+extern void      rt_mut_init    (OS_ID mutex);
+extern OS_RESULT rt_mut_release (OS_ID mutex);
+extern OS_RESULT rt_mut_wait    (OS_ID mutex, uint16_t timeout);
+
+#define os_mut_wait(mutex,timeout) _os_mut_wait((uint32_t)rt_mut_wait,mutex,timeout)
+#define os_mut_release(mutex)      _os_mut_release((uint32_t)rt_mut_release,mutex)
+
+OS_RESULT _os_mut_release (uint32_t p, OS_ID mutex)                   __svc_indirect(0);
+OS_RESULT _os_mut_wait    (uint32_t p, OS_ID mutex, uint16_t timeout) __svc_indirect(0);
+
+#endif
+
+
+/*----------------------------------------------------------------------------
+ *      Global Variables
+ *---------------------------------------------------------------------------*/
+
+#if (OS_TIMERS != 0)
+#define OS_TASK_CNT (OS_TASKCNT + 1)
+#else
+#define OS_TASK_CNT  OS_TASKCNT
+#endif
+
+uint16_t const os_maxtaskrun = OS_TASK_CNT;
+uint32_t const os_rrobin     = (OS_ROBIN << 16) | OS_ROBINTOUT;
+uint32_t const os_trv        = OS_TRV;
+uint8_t  const os_flags      = OS_RUNPRIV;
+
+/* Export following defines to uVision debugger. */
+__USED uint32_t const os_clockrate = OS_TICK;
+__USED uint32_t const os_timernum  = 0;
+
+/* Stack for the os_idle_demon */
+unsigned int idle_task_stack[OS_IDLESTKSIZE];
+unsigned short const idle_task_stack_size = OS_IDLESTKSIZE;
+
+#ifndef OS_FIFOSZ
+ #define OS_FIFOSZ      16
+#endif
+
+/* Fifo Queue buffer for ISR requests.*/
+uint32_t       os_fifo[OS_FIFOSZ*2+1];
+uint8_t  const os_fifo_size = OS_FIFOSZ;
+
+/* An array of Active task pointers. */
+void *os_active_TCB[OS_TASK_CNT];
+
+/* User Timers Resources */
+#if (OS_TIMERS != 0)
+extern void osTimerThread (void const *argument);
+osThreadDef(osTimerThread, (osPriority)(OS_TIMERPRIO-3), 4*OS_TIMERSTKSZ);
+osThreadId osThreadId_osTimerThread;
+osMessageQDef(osTimerMessageQ, OS_TIMERCBQS, void *);
+osMessageQId osMessageQId_osTimerMessageQ;
+#else
+osThreadDef_t os_thread_def_osTimerThread = { NULL };
+osThreadId osThreadId_osTimerThread;
+osMessageQDef(osTimerMessageQ, 0, void *);
+osMessageQId osMessageQId_osTimerMessageQ;
+#endif
+
+
+/*----------------------------------------------------------------------------
+ *      RTX Optimizations (empty functions)
+ *---------------------------------------------------------------------------*/
+
+#if OS_ROBIN == 0
+ void rt_init_robin (void) {;}
+ void rt_chk_robin  (void) {;}
+#endif
+
+#if OS_STKCHECK == 0
+ void rt_stk_check  (void) {;}
+#endif
+
+
+/*----------------------------------------------------------------------------
+ *      Standard Library multithreading interface
+ *---------------------------------------------------------------------------*/
+
+#if defined (__CC_ARM) && !defined (__MICROLIB)
+ static OS_MUT   std_libmutex[OS_MUTEXCNT];
+ static uint32_t nr_mutex;
+
+ /*--------------------------- _mutex_initialize -----------------------------*/
+ 
+int _mutex_initialize (OS_ID *mutex) {
+  /* Allocate and initialize a system mutex. */
+
+  if (nr_mutex >= OS_MUTEXCNT) {
+    /* If you are here, you need to increase the number OS_MUTEXCNT. */
+    error("Not enough stdlib mutexes\n");
+  }
+  *mutex = &std_libmutex[nr_mutex++];
+  mutex_init (*mutex);
+  return (1);
+}
+
+
+/*--------------------------- _mutex_acquire --------------------------------*/
+
+__attribute__((used)) void _mutex_acquire (OS_ID *mutex) {
+  /* Acquire a system mutex, lock stdlib resources. */
+  if (runtask_id ()) {
+    /* RTX running, acquire a mutex. */
+    mutex_wait (*mutex);
+  }
+}
+
+
+/*--------------------------- _mutex_release --------------------------------*/
+
+__attribute__((used)) void _mutex_release (OS_ID *mutex) {
+  /* Release a system mutex, unlock stdlib resources. */
+  if (runtask_id ()) {
+    /* RTX running, release a mutex. */
+    mutex_rel (*mutex);
+  }
+}
+
+#endif
+
+
+/*----------------------------------------------------------------------------
+ *      RTX Startup
+ *---------------------------------------------------------------------------*/
+
+/* Main Thread definition */
+extern int main (void);
+osThreadDef_t os_thread_def_main = {(os_pthread)main, osPriorityNormal, 0, NULL};
+
+#if defined (__CC_ARM)
+
+// This define should be probably moved to the CMSIS layer
+#ifdef TARGET_LPC1768
+#define INITIAL_SP            (0x10008000UL)
+
+#elif TARGET_LPC11U24
+#define INITIAL_SP            (0x10001000UL)
+
+#endif
+
+extern unsigned char Image$$RW_IRAM1$$ZI$$Limit[];
+
+void set_main_stack(void) {
+    // Leave OS_SCHEDULERSTKSIZE words for the scheduler and interrupts
+    os_thread_def_main.stack_pointer = Image$$RW_IRAM1$$ZI$$Limit;
+    os_thread_def_main.stacksize = (INITIAL_SP - (unsigned int)Image$$RW_IRAM1$$ZI$$Limit) - (OS_SCHEDULERSTKSIZE * 4);
+}
+
+#ifdef __MICROLIB
+void _main_init (void) __attribute__((section(".ARM.Collect$$$$000000FF")));
+void _main_init (void) {
+  osKernelInitialize();
+  set_main_stack();
+  osThreadCreate(&os_thread_def_main, NULL);
+  osKernelStart();
+  for (;;);
+}
+#else
+
+/* The single memory model is checking for stack collision at run time, verifing
+   that the heap pointer is underneath the stack pointer.
+   
+   With the RTOS there is not only one stack above the heap, there are multiple
+   stacks and some of them are underneath the heap pointer.
+*/
+#pragma import(__use_two_region_memory)
+
+__asm void __rt_entry (void) {
+
+  IMPORT  __user_setup_stackheap
+  IMPORT  __rt_lib_init
+  IMPORT  os_thread_def_main
+  IMPORT  osKernelInitialize
+  IMPORT  set_main_stack
+  IMPORT  osKernelStart
+  IMPORT  osThreadCreate
+  IMPORT  exit
+
+  BL      __user_setup_stackheap
+  MOV     R1,R2
+  BL      __rt_lib_init
+  BL      osKernelInitialize
+  BL      set_main_stack
+  LDR     R0,=os_thread_def_main
+  MOVS    R1,#0
+  BL      osThreadCreate
+  BL      osKernelStart
+  BL      exit
+
+  ALIGN
+}
+#endif
+
+#elif defined (__GNUC__)
+
+#ifdef __CS3__
+
+/* CS3 start_c routine.
+ *
+ * Copyright (c) 2006, 2007 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "cs3.h"
+
+extern void __libc_init_array (void);
+
+__attribute ((noreturn)) void __cs3_start_c (void){
+  unsigned regions = __cs3_region_num;
+  const struct __cs3_region *rptr = __cs3_regions;
+
+  /* Initialize memory */
+  for (regions = __cs3_region_num, rptr = __cs3_regions; regions--; rptr++) {
+    long long *src = (long long *)rptr->init;
+    long long *dst = (long long *)rptr->data;
+    unsigned limit = rptr->init_size;
+    unsigned count;
+
+    if (src != dst)
+      for (count = 0; count != limit; count += sizeof (long long))
+        *dst++ = *src++;
+    else 
+      dst = (long long *)((char *)dst + limit);
+    limit = rptr->zero_size;
+    for (count = 0; count != limit; count += sizeof (long long))
+      *dst++ = 0;
+  }
+
+  /* Run initializers.  */
+  __libc_init_array ();
+
+  osKernelInitialize();
+  osThreadCreate(&os_thread_def_main, NULL);
+  osKernelStart();
+  for (;;);
+}
+
+#else
+
+__attribute__((naked)) void software_init_hook (void) {
+  __asm (
+    ".syntax unified\n"
+    ".thumb\n"
+    "movs r0,#0\n"
+    "movs r1,#0\n"
+    "mov  r4,r0\n"
+    "mov  r5,r1\n"
+    "ldr  r0,= __libc_fini_array\n"
+    "bl   atexit\n"
+    "bl   __libc_init_array\n"
+    "mov  r0,r4\n"
+    "mov  r1,r5\n"
+    "bl   osKernelInitialize\n"
+    "ldr  r0,=os_thread_def_main\n"
+    "movs r1,#0\n"
+    "bl   osThreadCreate\n"
+    "bl   osKernelStart\n"
+    "bl   exit\n"
+  );
+}
+
+#endif
+
+#elif defined (__ICCARM__)
+
+extern int  __low_level_init(void);
+extern void __iar_data_init3(void);
+extern void exit(int arg);
+
+__noreturn __stackless void __cmain(void) {
+  int a;
+  
+  if (__low_level_init() != 0) {
+    __iar_data_init3();
+  }
+  osKernelInitialize();
+  osThreadCreate(&os_thread_def_main, NULL);
+  a = osKernelStart();
+  exit(a);
+}
+
+#endif
+
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/RTX_Conf_CM.c b/libraries/rtos/rtx/RTX_Conf_CM.c
new file mode 100644
index 0000000000..9fc7d33fa9
--- /dev/null
+++ b/libraries/rtos/rtx/RTX_Conf_CM.c
@@ -0,0 +1,241 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RTX_Conf_CM.C
+ *      Purpose: Configuration of CMSIS RTX Kernel for Cortex-M
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "cmsis_os.h"
+
+
+/*----------------------------------------------------------------------------
+ *      RTX User configuration part BEGIN
+ *---------------------------------------------------------------------------*/
+
+//-------- <<< Use Configuration Wizard in Context Menu >>> -----------------
+//
+// Thread Configuration
+// =======================
+//
+//   Number of concurrent running threads <0-250>
+//    Defines max. number of threads that will run at the same time.
+//       counting "main", but not counting "osTimerThread"
+//    Default: 6
+#ifndef OS_TASKCNT
+#  if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+#    define OS_TASKCNT         14
+#  elif defined(TARGET_LPC11U24)
+#    define OS_TASKCNT         6
+#  endif
+#endif
+
+//   Scheduler (+ interrupts) stack size [bytes] <64-4096:8><#/4>
+#ifndef OS_SCHEDULERSTKSIZE
+#  if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+#      define OS_SCHEDULERSTKSIZE    256
+#  elif defined(TARGET_LPC11U24)
+#      define OS_SCHEDULERSTKSIZE    128
+#  endif
+#endif
+
+//   Idle stack size [bytes] <64-4096:8><#/4>
+//    Defines default stack size for the Idle thread.
+#ifndef OS_IDLESTKSIZE
+ #define OS_IDLESTKSIZE         128
+#endif
+
+//   Timer Thread stack size [bytes] <64-4096:8><#/4>
+//    Defines stack size for Timer thread.
+//    Default: 200
+#ifndef OS_TIMERSTKSZ
+ #define OS_TIMERSTKSZ  WORDS_STACK_SIZE
+#endif
+
+// Check for stack overflow
+//  Includes the stack checking code for stack overflow.
+//  Note that additional code reduces the Kernel performance.
+#ifndef OS_STKCHECK
+ #define OS_STKCHECK    1
+#endif
+
+// Processor mode for thread execution 
+//   <0=> Unprivileged mode 
+//   <1=> Privileged mode
+//  Default: Privileged mode
+#ifndef OS_RUNPRIV
+ #define OS_RUNPRIV     1
+#endif
+
+// 
+// SysTick Timer Configuration
+// ==============================
+//
+//   Timer clock value [Hz] <1-1000000000>
+//    Defines the timer clock value.
+//    Default: 6000000  (6MHz)
+#ifndef OS_CLOCK
+#  if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+#    define OS_CLOCK       96000000
+#  elif defined(TARGET_LPC11U24)
+#    define OS_CLOCK       48000000
+#  endif
+#endif
+
+//   Timer tick value [us] <1-1000000>
+//    Defines the timer tick value.
+//    Default: 1000  (1ms)
+#ifndef OS_TICK
+ #define OS_TICK        1000
+#endif
+
+// 
+
+// System Configuration
+// =======================
+//
+// Round-Robin Thread switching
+// ===============================
+//
+//  Enables Round-Robin Thread switching.
+#ifndef OS_ROBIN
+ #define OS_ROBIN       1
+#endif
+
+//   Round-Robin Timeout [ticks] <1-1000>
+//    Defines how long a thread will execute before a thread switch.
+//    Default: 5
+#ifndef OS_ROBINTOUT
+ #define OS_ROBINTOUT   5
+#endif
+
+// 
+
+// User Timers
+// ==============
+//    Enables user Timers
+#ifndef OS_TIMERS
+ #define OS_TIMERS      1
+#endif
+
+//   Timer Thread Priority
+//                        <1=> Low
+//                        <2=> Below Normal
+//                        <3=> Normal
+//                        <4=> Above Normal
+//                        <5=> High
+//                        <6=> Realtime (highest)
+//    Defines priority for Timer Thread
+//    Default: High
+#ifndef OS_TIMERPRIO
+ #define OS_TIMERPRIO   5
+#endif
+
+//   Timer Callback Queue size <1-32>
+//    Number of concurrent active timer callback functions.
+//    Default: 4
+#ifndef OS_TIMERCBQSZ
+ #define OS_TIMERCBQS   4
+#endif
+
+// 
+
+//   ISR FIFO Queue size<4=>   4 entries  <8=>   8 entries
+//                         <12=> 12 entries  <16=> 16 entries
+//                         <24=> 24 entries  <32=> 32 entries
+//                         <48=> 48 entries  <64=> 64 entries
+//                         <96=> 96 entries
+//    ISR functions store requests to this buffer,
+//    when they are called from the interrupt handler.
+//    Default: 16 entries
+#ifndef OS_FIFOSZ
+ #define OS_FIFOSZ      16
+#endif
+
+// 
+
+//------------- <<< end of configuration section >>> -----------------------
+
+// Standard library system mutexes
+// ===============================
+//  Define max. number system mutexes that are used to protect 
+//  the arm standard runtime library. For microlib they are not used.
+#ifndef OS_MUTEXCNT
+ #define OS_MUTEXCNT    12
+#endif
+
+/*----------------------------------------------------------------------------
+ *      RTX User configuration part END
+ *---------------------------------------------------------------------------*/
+
+#define OS_TRV          ((uint32_t)(((double)OS_CLOCK*(double)OS_TICK)/1E6)-1)
+
+
+/*----------------------------------------------------------------------------
+ *      OS Idle daemon
+ *---------------------------------------------------------------------------*/
+void os_idle_demon (void) {
+  /* The idle demon is a system thread, running when no other thread is      */
+  /* ready to run.                                                           */
+  
+  /* Sleep: ideally, we should put the chip to sleep.
+     Unfortunately, this usually requires disconnecting the interface chip (debugger).
+     This can be done, but it would break the local file system.
+  */
+  for (;;) {
+      // sleep();
+  }
+}
+
+/*----------------------------------------------------------------------------
+ *      RTX Errors
+ *---------------------------------------------------------------------------*/
+extern void mbed_die(void);
+
+void os_error (uint32_t err_code) {
+    /* This function is called when a runtime error is detected. Parameter     */
+    /* 'err_code' holds the runtime error code (defined in RTX_Config.h).      */
+    mbed_die();
+}
+
+void sysThreadError(osStatus status) {
+    if (status != osOK) {
+        mbed_die();
+    }
+}
+
+/*----------------------------------------------------------------------------
+ *      RTX Configuration Functions
+ *---------------------------------------------------------------------------*/
+
+#include "RTX_CM_lib.h"
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff --git a/libraries/rtos/rtx/RTX_Config.h b/libraries/rtos/rtx/RTX_Config.h
new file mode 100644
index 0000000000..9da2dfe3c6
--- /dev/null
+++ b/libraries/rtos/rtx/RTX_Config.h
@@ -0,0 +1,72 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RTX_CONFIG.H
+ *      Purpose: Exported functions of RTX_Config.c
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+
+/* Error Codes */
+#define OS_ERR_STK_OVF          1
+#define OS_ERR_FIFO_OVF         2
+#define OS_ERR_MBX_OVF          3
+
+/* Definitions */
+#define BOX_ALIGN_8                   0x80000000
+#define _declare_box(pool,size,cnt)   U32 pool[(((size)+3)/4)*(cnt) + 3]
+#define _declare_box8(pool,size,cnt)  U64 pool[(((size)+7)/8)*(cnt) + 2]
+#define _init_box8(pool,size,bsize)   _init_box (pool,size,(bsize) | BOX_ALIGN_8)
+
+/* Variables */
+extern U32 idle_task_stack[];
+extern U32 os_fifo[];
+extern void *os_active_TCB[];
+
+/* Constants */
+extern U16 const os_maxtaskrun;
+extern U32 const os_trv;
+extern U8  const os_flags;
+extern U32 const os_rrobin;
+extern U32 const os_clockrate;
+extern U32 const os_timernum;
+extern U16 const idle_task_stack_size;
+
+extern U8  const os_fifo_size;
+
+/* Functions */
+extern void os_idle_demon   (void);
+extern int  os_tick_init    (void);
+extern void os_tick_irqack  (void);
+extern void os_tmr_call     (U16  info);
+extern void os_error        (U32 err_code);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff --git a/libraries/rtos/rtx/cmsis_os.h b/libraries/rtos/rtx/cmsis_os.h
new file mode 100644
index 0000000000..8ddde496fb
--- /dev/null
+++ b/libraries/rtos/rtx/cmsis_os.h
@@ -0,0 +1,774 @@
+/* ----------------------------------------------------------------------  
+ * Copyright (C) 2012 ARM Limited. All rights reserved.  
+ *  
+ * $Date:        5. June 2012
+ * $Revision:    V1.01
+ *  
+ * Project:      CMSIS-RTOS API
+ * Title:        cmsis_os.h RTX header file
+ *  
+ * Version 0.02
+ *    Initial Proposal Phase 
+ * Version 0.03
+ *    osKernelStart added, optional feature: main started as thread
+ *    osSemaphores have standard behavior
+ *    osTimerCreate does not start the timer, added osTimerStart
+ *    osThreadPass is renamed to osThreadYield
+ * Version 1.01
+ *    Support for C++ interface
+ *     - const attribute removed from the osXxxxDef_t typedef's 
+ *     - const attribute added to the osXxxxDef macros
+ *    Added: osTimerDelete, osMutexDelete, osSemaphoreDelete
+ *    Added: osKernelInitialize
+ * -------------------------------------------------------------------- */ 
+
+/**
+\page cmsis_os_h Header File Template: cmsis_os.h
+
+The file \b cmsis_os.h is a template header file for a CMSIS-RTOS compliant Real-Time Operating System (RTOS).
+Each RTOS that is compliant with CMSIS-RTOS shall provide a specific \b cmsis_os.h header file that represents
+its implementation.
+
+The file cmsis_os.h contains:
+ - CMSIS-RTOS API function definitions
+ - struct definitions for parameters and return types
+ - status and priority values used by CMSIS-RTOS API functions
+ - macros for defining threads and other kernel objects
+
+
+Name conventions and header file modifications
+
+All definitions are prefixed with \b os to give an unique name space for CMSIS-RTOS functions.
+Definitions that are prefixed \b os_ are not used in the application code but local to this header file.
+All definitions and functions that belong to a module are grouped and have a common prefix, i.e. \b osThread.
+ 
+Definitions that are marked with CAN BE CHANGED can be adapted towards the needs of the actual CMSIS-RTOS implementation. 
+These definitions can be specific to the underlying RTOS kernel.
+
+Definitions that are marked with MUST REMAIN UNCHANGED cannot be altered. Otherwise the CMSIS-RTOS implementation is no longer
+compliant to the standard. Note that some functions are optional and need not to be provided by every CMSIS-RTOS implementation.
+
+
+Function calls from interrupt service routines
+
+The following CMSIS-RTOS functions can be called from threads and interrupt service routines (ISR):
+  - \ref osSignalSet
+  - \ref osSemaphoreRelease
+  - \ref osPoolAlloc, \ref osPoolCAlloc, \ref osPoolFree
+  - \ref osMessagePut, \ref osMessageGet
+  - \ref osMailAlloc, \ref osMailCAlloc, \ref osMailGet, \ref osMailPut, \ref osMailFree
+
+Functions that cannot be called from an ISR are verifying the interrupt status and return in case that they are called 
+from an ISR context the status code \b osErrorISR. In some implementations this condition might be caught using the HARD FAULT vector.
+
+Some CMSIS-RTOS implementations support CMSIS-RTOS function calls from multiple ISR at the same time.
+If this is impossible, the CMSIS-RTOS rejects calls by nested ISR functions with the status code \b osErrorISRRecursive.
+
+
+Define and reference object definitions
+
+With \#define osObjectsExternal objects are defined as external symbols. This allows to create a consistent header file
+that is used throughout a project as shown below:
+
+Header File
+\code
+#include                                          // CMSIS RTOS header file
+
+// Thread definition
+extern void thread_sample (void const *argument);             // function prototype
+osThreadDef (thread_sample, osPriorityBelowNormal, 1, 100);
+
+// Pool definition
+osPoolDef(MyPool, 10, long);                      
+\endcode
+
+
+This header file defines all objects when included in a C/C++ source file. When \#define osObjectsExternal is 
+present before the header file, the objects are defined as external symbols. A single consistent header file can therefore be
+used throughout the whole project.
+
+Example
+\code
+#include "osObjects.h"     // Definition of the CMSIS-RTOS objects
+\endcode
+
+\code
+#define osObjectExternal   // Objects will be defined as external symbols
+#include "osObjects.h"     // Reference to the CMSIS-RTOS objects
+\endcode
+
+*/
+ 
+#ifndef _CMSIS_OS_H
+#define _CMSIS_OS_H
+
+/// \note MUST REMAIN UNCHANGED: \b osCMSIS identifies the CMSIS-RTOS API version.
+#define osCMSIS           0x10001      ///< API version (main [31:16] .sub [15:0])
+
+/// \note CAN BE CHANGED: \b osCMSIS_KERNEL identifies the underlying RTOS kernel and version number.
+#define osCMSIS_RTX     ((4<<16)|61)   ///< RTOS identification and version (main [31:16] .sub [15:0])
+
+/// \note MUST REMAIN UNCHANGED: \b osKernelSystemId shall be consistent in every CMSIS-RTOS.
+#define osKernelSystemId "RTX V4.61"   ///< RTOS identification string
+
+
+#define CMSIS_OS_RTX
+
+// The stack space occupied is mainly dependent on the underling C standard library
+#if defined(TOOLCHAIN_GCC_ARM) || defined(TOOLCHAIN_CS_ARM) || defined(TOOLCHAIN_CR_ARM)
+#    define WORDS_STACK_SIZE   512
+#elif defined(TOOLCHAIN_ARM)
+#    define WORDS_STACK_SIZE   512
+#elif defined(TOOLCHAIN_uARM)
+#    define WORDS_STACK_SIZE   128
+#endif
+
+#define DEFAULT_STACK_SIZE         (WORDS_STACK_SIZE*4)
+
+
+/// \note MUST REMAIN UNCHANGED: \b osFeature_xxx shall be consistent in every CMSIS-RTOS.
+#define osFeature_MainThread   1       ///< main thread      1=main can be thread, 0=not available
+#define osFeature_Pool         1       ///< Memory Pools:    1=available, 0=not available
+#define osFeature_MailQ        1       ///< Mail Queues:     1=available, 0=not available
+#define osFeature_MessageQ     1       ///< Message Queues:  1=available, 0=not available
+#define osFeature_Signals      16      ///< maximum number of Signal Flags available per thread
+#define osFeature_Semaphore    65535   ///< maximum count for \ref osSemaphoreCreate function
+#define osFeature_Wait         0       ///< osWait function: 1=available, 0=not available
+
+#if defined (__CC_ARM)
+#define os_InRegs __value_in_regs      // Compiler specific: force struct in registers
+#else
+#define os_InRegs
+#endif
+
+#include 
+#include 
+
+#ifdef  __cplusplus
+extern "C"
+{
+#endif
+
+#include "os_tcb.h"
+
+// ==== Enumeration, structures, defines ====
+
+/// Priority used for thread control.
+/// \note MUST REMAIN UNCHANGED: \b osPriority shall be consistent in every CMSIS-RTOS.
+typedef enum  {
+  osPriorityIdle          = -3,          ///< priority: idle (lowest)
+  osPriorityLow           = -2,          ///< priority: low
+  osPriorityBelowNormal   = -1,          ///< priority: below normal
+  osPriorityNormal        =  0,          ///< priority: normal (default)
+  osPriorityAboveNormal   = +1,          ///< priority: above normal
+  osPriorityHigh          = +2,          ///< priority: high 
+  osPriorityRealtime      = +3,          ///< priority: realtime (highest)
+  osPriorityError         =  0x84        ///< system cannot determine priority or thread has illegal priority
+} osPriority;
+
+/// Timeout value.
+/// \note MUST REMAIN UNCHANGED: \b osWaitForever shall be consistent in every CMSIS-RTOS.
+#define osWaitForever     0xFFFFFFFF     ///< wait forever timeout value
+
+/// Status code values returned by CMSIS-RTOS functions.
+/// \note MUST REMAIN UNCHANGED: \b osStatus shall be consistent in every CMSIS-RTOS.
+typedef enum  {
+  osOK                    =     0,       ///< function completed; no error or event occurred.
+  osEventSignal           =  0x08,       ///< function completed; signal event occurred.
+  osEventMessage          =  0x10,       ///< function completed; message event occurred.
+  osEventMail             =  0x20,       ///< function completed; mail event occurred.
+  osEventTimeout          =  0x40,       ///< function completed; timeout occurred.
+  osErrorParameter        =  0x80,       ///< parameter error: a mandatory parameter was missing or specified an incorrect object.
+  osErrorResource         =  0x81,       ///< resource not available: a specified resource was not available.
+  osErrorTimeoutResource  =  0xC1,       ///< resource not available within given time: a specified resource was not available within the timeout period.
+  osErrorISR              =  0x82,       ///< not allowed in ISR context: the function cannot be called from interrupt service routines.
+  osErrorISRRecursive     =  0x83,       ///< function called multiple times from ISR with same object.
+  osErrorPriority         =  0x84,       ///< system cannot determine priority or thread has illegal priority.
+  osErrorNoMemory         =  0x85,       ///< system is out of memory: it was impossible to allocate or reserve memory for the operation.
+  osErrorValue            =  0x86,       ///< value of a parameter is out of range.
+  osErrorOS               =  0xFF,       ///< unspecified RTOS error: run-time error but no other error message fits.
+  os_status_reserved      =  0x7FFFFFFF  ///< prevent from enum down-size compiler optimization.
+} osStatus; 
+
+
+/// Timer type value for the timer definition.
+/// \note MUST REMAIN UNCHANGED: \b os_timer_type shall be consistent in every CMSIS-RTOS.
+typedef enum  {
+  osTimerOnce             =     0,       ///< one-shot timer 
+  osTimerPeriodic         =     1        ///< repeating timer 
+} os_timer_type; 
+
+/// Entry point of a thread.
+/// \note MUST REMAIN UNCHANGED: \b os_pthread shall be consistent in every CMSIS-RTOS.
+typedef void (*os_pthread) (void const *argument); 
+
+/// Entry point of a timer call back function.
+/// \note MUST REMAIN UNCHANGED: \b os_ptimer shall be consistent in every CMSIS-RTOS.
+typedef void (*os_ptimer) (void const *argument); 
+
+// >>> the following data type definitions may shall adapted towards a specific RTOS
+
+/// Thread ID identifies the thread (pointer to a thread control block).
+/// \note CAN BE CHANGED: \b os_thread_cb is implementation specific in every CMSIS-RTOS.
+typedef struct os_thread_cb *osThreadId;
+
+/// Timer ID identifies the timer (pointer to a timer control block).
+/// \note CAN BE CHANGED: \b os_timer_cb is implementation specific in every CMSIS-RTOS.
+typedef struct os_timer_cb *osTimerId;
+
+/// Mutex ID identifies the mutex (pointer to a mutex control block).
+/// \note CAN BE CHANGED: \b os_mutex_cb is implementation specific in every CMSIS-RTOS.
+typedef struct os_mutex_cb *osMutexId;
+
+/// Semaphore ID identifies the semaphore (pointer to a semaphore control block).
+/// \note CAN BE CHANGED: \b os_semaphore_cb is implementation specific in every CMSIS-RTOS.
+typedef struct os_semaphore_cb *osSemaphoreId;
+
+/// Pool ID identifies the memory pool (pointer to a memory pool control block).
+/// \note CAN BE CHANGED: \b os_pool_cb is implementation specific in every CMSIS-RTOS.
+typedef struct os_pool_cb *osPoolId;
+
+/// Message ID identifies the message queue (pointer to a message queue control block).
+/// \note CAN BE CHANGED: \b os_messageQ_cb is implementation specific in every CMSIS-RTOS.
+typedef struct os_messageQ_cb *osMessageQId;
+
+/// Mail ID identifies the mail queue (pointer to a mail queue control block).
+/// \note CAN BE CHANGED: \b os_mailQ_cb is implementation specific in every CMSIS-RTOS.
+typedef struct os_mailQ_cb *osMailQId;
+
+
+/// Thread Definition structure contains startup information of a thread.
+/// \note CAN BE CHANGED: \b os_thread_def is implementation specific in every CMSIS-RTOS.
+typedef struct os_thread_def  {
+  os_pthread               pthread;      ///< start address of thread function
+  osPriority             tpriority;      ///< initial thread priority
+  uint32_t               stacksize;      ///< stack size requirements in bytes
+  unsigned char         *stack_pointer;  ///< pointer to the stack memory block
+  struct OS_TCB          tcb;
+} osThreadDef_t;
+
+/// Timer Definition structure contains timer parameters.
+/// \note CAN BE CHANGED: \b os_timer_def is implementation specific in every CMSIS-RTOS.
+typedef struct os_timer_def  {
+  os_ptimer                 ptimer;    ///< start address of a timer function
+  void                      *timer;    ///< pointer to internal data
+} osTimerDef_t;
+
+/// Mutex Definition structure contains setup information for a mutex.
+/// \note CAN BE CHANGED: \b os_mutex_def is implementation specific in every CMSIS-RTOS.
+typedef struct os_mutex_def  {
+  void                      *mutex;    ///< pointer to internal data
+} osMutexDef_t;
+
+/// Semaphore Definition structure contains setup information for a semaphore.
+/// \note CAN BE CHANGED: \b os_semaphore_def is implementation specific in every CMSIS-RTOS.
+typedef struct os_semaphore_def  {
+  void                  *semaphore;    ///< pointer to internal data
+} osSemaphoreDef_t;
+
+/// Definition structure for memory block allocation.
+/// \note CAN BE CHANGED: \b os_pool_def is implementation specific in every CMSIS-RTOS.
+typedef struct os_pool_def  {
+  uint32_t                 pool_sz;    ///< number of items (elements) in the pool
+  uint32_t                 item_sz;    ///< size of an item 
+  void                       *pool;    ///< pointer to memory for pool
+} osPoolDef_t;
+
+/// Definition structure for message queue.
+/// \note CAN BE CHANGED: \b os_messageQ_def is implementation specific in every CMSIS-RTOS.
+typedef struct os_messageQ_def  {
+  uint32_t                queue_sz;    ///< number of elements in the queue
+  void                       *pool;    ///< memory array for messages
+} osMessageQDef_t;
+
+/// Definition structure for mail queue.
+/// \note CAN BE CHANGED: \b os_mailQ_def is implementation specific in every CMSIS-RTOS.
+typedef struct os_mailQ_def  {
+  uint32_t                queue_sz;    ///< number of elements in the queue
+  uint32_t                 item_sz;    ///< size of an item 
+  void                       *pool;    ///< memory array for mail
+} osMailQDef_t;
+
+/// Event structure contains detailed information about an event. 
+/// \note MUST REMAIN UNCHANGED: \b os_event shall be consistent in every CMSIS-RTOS. 
+///       However the struct may be extended at the end.
+typedef struct  {
+  osStatus                 status;     ///< status code: event or error information
+  union  {
+    uint32_t                    v;     ///< message as 32-bit value 
+    void                       *p;     ///< message or mail as void pointer
+    int32_t               signals;     ///< signal flags 
+  } value;                             ///< event value
+  union  {
+    osMailQId             mail_id;     ///< mail id obtained by \ref osMailCreate 
+    osMessageQId       message_id;     ///< message id obtained by \ref osMessageCreate 
+  } def;                               ///< event definition
+} osEvent;
+
+
+//  ==== Kernel Control Functions ====
+
+/// Initialize the RTOS Kernel for creating objects.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osKernelInitialize shall be consistent in every CMSIS-RTOS. 
+osStatus osKernelInitialize (void);
+
+/// Start the RTOS Kernel.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osKernelStart shall be consistent in every CMSIS-RTOS. 
+osStatus osKernelStart (void);
+
+/// Check if the RTOS kernel is already started.
+/// \note MUST REMAIN UNCHANGED: \b osKernelRunning shall be consistent in every CMSIS-RTOS. 
+/// \return 0 RTOS is not started, 1 RTOS is started.
+int32_t osKernelRunning(void);
+
+
+//  ==== Thread Management ====
+
+/// Create a Thread Definition with function, priority, and stack requirements.
+/// \param         name         name of the thread function.
+/// \param         priority     initial priority of the thread function.
+/// \param         stacksz      stack size (in bytes) requirements for the thread function.
+/// \note CAN BE CHANGED: The parameters to \b osThreadDef shall be consistent but the 
+///       macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal)  // object is external
+#define osThreadDef(name, priority, stacksz)  \
+extern osThreadDef_t os_thread_def_##name
+#else                            // define the object
+#define osThreadDef(name, priority, stacksz)  \
+unsigned char os_thread_def_stack_##name [stacksz]; \
+osThreadDef_t os_thread_def_##name = \
+{ (name), (priority), (stacksz), (os_thread_def_stack_##name)}
+#endif
+
+/// Access a Thread definition.
+/// \param         name          name of the thread definition object.
+/// \note CAN BE CHANGED: The parameter to \b osThread shall be consistent but the 
+///       macro body is implementation specific in every CMSIS-RTOS.
+#define osThread(name)  \
+&os_thread_def_##name
+
+/// Create a thread and add it to Active Threads and set it to state READY.
+/// \param[in]     thread_def    thread definition referenced with \ref osThread.
+/// \param[in]     argument      pointer that is passed to the thread function as start argument.
+/// \return thread ID for reference by other functions or NULL in case of error.
+/// \note MUST REMAIN UNCHANGED: \b osThreadCreate shall be consistent in every CMSIS-RTOS.
+osThreadId osThreadCreate (osThreadDef_t *thread_def, void *argument);
+
+/// Return the thread ID of the current running thread.
+/// \return thread ID for reference by other functions or NULL in case of error.
+/// \note MUST REMAIN UNCHANGED: \b osThreadGetId shall be consistent in every CMSIS-RTOS.
+osThreadId osThreadGetId (void);
+
+/// Terminate execution of a thread and remove it from Active Threads.
+/// \param[in]     thread_id   thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osThreadTerminate shall be consistent in every CMSIS-RTOS.
+osStatus osThreadTerminate (osThreadId thread_id);
+
+/// Pass control to next thread that is in state \b READY.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osThreadYield shall be consistent in every CMSIS-RTOS.
+osStatus osThreadYield (void);
+
+/// Change priority of an active thread.  
+/// \param[in]     thread_id     thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \param[in]     priority      new priority value for the thread function.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osThreadSetPriority shall be consistent in every CMSIS-RTOS.
+osStatus osThreadSetPriority (osThreadId thread_id, osPriority priority);
+
+/// Get current priority of an active thread.
+/// \param[in]     thread_id     thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \return current priority value of the thread function.
+/// \note MUST REMAIN UNCHANGED: \b osThreadGetPriority shall be consistent in every CMSIS-RTOS.
+osPriority osThreadGetPriority (osThreadId thread_id);
+
+
+//  ==== Generic Wait Functions ====
+
+/// Wait for Timeout (Time Delay).
+/// \param[in]     millisec      time delay value 
+/// \return status code that indicates the execution status of the function.
+osStatus osDelay (uint32_t millisec);
+
+#if (defined (osFeature_Wait)  &&  (osFeature_Wait != 0))     // Generic Wait available
+
+/// Wait for Signal, Message, Mail, or Timeout.
+/// \param[in] millisec          timeout value or 0 in case of no time-out
+/// \return event that contains signal, message, or mail information or error code.
+/// \note MUST REMAIN UNCHANGED: \b osWait shall be consistent in every CMSIS-RTOS.
+os_InRegs osEvent osWait (uint32_t millisec);
+
+#endif  // Generic Wait available
+
+
+//  ==== Timer Management Functions ====
+/// Define a Timer object.
+/// \param         name          name of the timer object.
+/// \param         function      name of the timer call back function.
+/// \note CAN BE CHANGED: The parameter to \b osTimerDef shall be consistent but the 
+///       macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal)  // object is external
+#define osTimerDef(name, function)  \
+extern osTimerDef_t os_timer_def_##name
+#else                            // define the object
+#define osTimerDef(name, function)  \
+uint32_t os_timer_cb_##name[5]; \
+osTimerDef_t os_timer_def_##name = \
+{ (function), (os_timer_cb_##name) }
+#endif
+
+/// Access a Timer definition.
+/// \param         name          name of the timer object.
+/// \note CAN BE CHANGED: The parameter to \b osTimer shall be consistent but the 
+///       macro body is implementation specific in every CMSIS-RTOS.
+#define osTimer(name) \
+&os_timer_def_##name
+
+/// Create a timer.
+/// \param[in]     timer_def     timer object referenced with \ref osTimer.
+/// \param[in]     type          osTimerOnce for one-shot or osTimerPeriodic for periodic behavior.
+/// \param[in]     argument      argument to the timer call back function.
+/// \return timer ID for reference by other functions or NULL in case of error.
+/// \note MUST REMAIN UNCHANGED: \b osTimerCreate shall be consistent in every CMSIS-RTOS.
+osTimerId osTimerCreate (osTimerDef_t *timer_def, os_timer_type type, void *argument);
+
+/// Start or restart a timer.
+/// \param[in]     timer_id      timer ID obtained by \ref osTimerCreate.
+/// \param[in]     millisec      time delay value of the timer.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osTimerStart shall be consistent in every CMSIS-RTOS.
+osStatus osTimerStart (osTimerId timer_id, uint32_t millisec);
+
+/// Stop the timer.
+/// \param[in]     timer_id      timer ID obtained by \ref osTimerCreate.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osTimerStop shall be consistent in every CMSIS-RTOS.
+osStatus osTimerStop (osTimerId timer_id);
+
+/// Delete a timer that was created by \ref osTimerCreate.
+/// \param[in]     timer_id      timer ID obtained by \ref osTimerCreate.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osTimerDelete shall be consistent in every CMSIS-RTOS.
+osStatus osTimerDelete (osTimerId timer_id);
+
+
+//  ==== Signal Management ====
+
+/// Set the specified Signal Flags of an active thread.
+/// \param[in]     thread_id     thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \param[in]     signals       specifies the signal flags of the thread that should be set.
+/// \return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters.
+/// \note MUST REMAIN UNCHANGED: \b osSignalSet shall be consistent in every CMSIS-RTOS.
+int32_t osSignalSet (osThreadId thread_id, int32_t signals);
+
+/// Clear the specified Signal Flags of an active thread.
+/// \param[in]     thread_id     thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \param[in]     signals       specifies the signal flags of the thread that shall be cleared.
+/// \return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters.
+/// \note MUST REMAIN UNCHANGED: \b osSignalClear shall be consistent in every CMSIS-RTOS.
+int32_t osSignalClear (osThreadId thread_id, int32_t signals);
+
+/// Get Signal Flags status of an active thread.
+/// \param[in]     thread_id     thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters.
+/// \note MUST REMAIN UNCHANGED: \b osSignalGet shall be consistent in every CMSIS-RTOS.
+int32_t osSignalGet (osThreadId thread_id);
+
+/// Wait for one or more Signal Flags to become signaled for the current \b RUNNING thread.
+/// \param[in]     signals       wait until all specified signal flags set or 0 for any single signal flag.
+/// \param[in]     millisec      timeout value or 0 in case of no time-out.
+/// \return event flag information or error code.
+/// \note MUST REMAIN UNCHANGED: \b osSignalWait shall be consistent in every CMSIS-RTOS.
+os_InRegs osEvent osSignalWait (int32_t signals, uint32_t millisec);
+
+
+//  ==== Mutex Management ====
+
+/// Define a Mutex.
+/// \param         name          name of the mutex object.
+/// \note CAN BE CHANGED: The parameter to \b osMutexDef shall be consistent but the 
+///       macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal)  // object is external
+#define osMutexDef(name)  \
+extern osMutexDef_t os_mutex_def_##name
+#else                            // define the object
+#define osMutexDef(name)  \
+uint32_t os_mutex_cb_##name[3]; \
+osMutexDef_t os_mutex_def_##name = { (os_mutex_cb_##name) }
+#endif
+
+/// Access a Mutex definition.
+/// \param         name          name of the mutex object.
+/// \note CAN BE CHANGED: The parameter to \b osMutex shall be consistent but the 
+///       macro body is implementation specific in every CMSIS-RTOS.
+#define osMutex(name)  \
+&os_mutex_def_##name
+
+/// Create and Initialize a Mutex object.
+/// \param[in]     mutex_def     mutex definition referenced with \ref osMutex.
+/// \return mutex ID for reference by other functions or NULL in case of error.
+/// \note MUST REMAIN UNCHANGED: \b osMutexCreate shall be consistent in every CMSIS-RTOS.
+osMutexId osMutexCreate (osMutexDef_t *mutex_def);
+
+/// Wait until a Mutex becomes available.
+/// \param[in]     mutex_id      mutex ID obtained by \ref osMutexCreate.
+/// \param[in]     millisec      timeout value or 0 in case of no time-out.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osMutexWait shall be consistent in every CMSIS-RTOS.
+osStatus osMutexWait (osMutexId mutex_id, uint32_t millisec);
+
+/// Release a Mutex that was obtained by \ref osMutexWait.
+/// \param[in]     mutex_id      mutex ID obtained by \ref osMutexCreate.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osMutexRelease shall be consistent in every CMSIS-RTOS.
+osStatus osMutexRelease (osMutexId mutex_id);
+
+/// Delete a Mutex that was created by \ref osMutexCreate.
+/// \param[in]     mutex_id      mutex ID obtained by \ref osMutexCreate.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osMutexDelete shall be consistent in every CMSIS-RTOS.
+osStatus osMutexDelete (osMutexId mutex_id);
+
+
+//  ==== Semaphore Management Functions ====
+
+#if (defined (osFeature_Semaphore)  &&  (osFeature_Semaphore != 0))     // Semaphore available
+
+/// Define a Semaphore object.
+/// \param         name          name of the semaphore object.
+/// \note CAN BE CHANGED: The parameter to \b osSemaphoreDef shall be consistent but the 
+///       macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal)  // object is external
+#define osSemaphoreDef(name)  \
+extern osSemaphoreDef_t os_semaphore_def_##name
+#else                            // define the object
+#define osSemaphoreDef(name)  \
+uint32_t os_semaphore_cb_##name[2]; \
+osSemaphoreDef_t os_semaphore_def_##name = { (os_semaphore_cb_##name) }
+#endif
+
+/// Access a Semaphore definition.
+/// \param         name          name of the semaphore object.
+/// \note CAN BE CHANGED: The parameter to \b osSemaphore shall be consistent but the 
+///       macro body is implementation specific in every CMSIS-RTOS.
+#define osSemaphore(name)  \
+&os_semaphore_def_##name
+
+/// Create and Initialize a Semaphore object used for managing resources.
+/// \param[in]     semaphore_def semaphore definition referenced with \ref osSemaphore.
+/// \param[in]     count         number of available resources.
+/// \return semaphore ID for reference by other functions or NULL in case of error.
+/// \note MUST REMAIN UNCHANGED: \b osSemaphoreCreate shall be consistent in every CMSIS-RTOS.
+osSemaphoreId osSemaphoreCreate (osSemaphoreDef_t *semaphore_def, int32_t count);
+
+/// Wait until a Semaphore token becomes available.
+/// \param[in]     semaphore_id  semaphore object referenced with \ref osSemaphoreCreate.
+/// \param[in]     millisec      timeout value or 0 in case of no time-out.
+/// \return number of available tokens, or -1 in case of incorrect parameters.
+/// \note MUST REMAIN UNCHANGED: \b osSemaphoreWait shall be consistent in every CMSIS-RTOS.
+int32_t osSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec);
+
+/// Release a Semaphore token.
+/// \param[in]     semaphore_id  semaphore object referenced with \ref osSemaphoreCreate.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osSemaphoreRelease shall be consistent in every CMSIS-RTOS.
+osStatus osSemaphoreRelease (osSemaphoreId semaphore_id);
+
+/// Delete a Semaphore that was created by \ref osSemaphoreCreate.
+/// \param[in]     semaphore_id  semaphore object referenced with \ref osSemaphoreCreate.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osSemaphoreDelete shall be consistent in every CMSIS-RTOS.
+osStatus osSemaphoreDelete (osSemaphoreId semaphore_id);
+
+#endif     // Semaphore available
+
+ 
+//  ==== Memory Pool Management Functions ====
+
+#if (defined (osFeature_Pool)  &&  (osFeature_Pool != 0))  // Memory Pool Management available
+
+/// \brief Define a Memory Pool.
+/// \param         name          name of the memory pool.
+/// \param         no            maximum number of blocks (objects) in the memory pool.
+/// \param         type          data type of a single block (object).
+/// \note CAN BE CHANGED: The parameter to \b osPoolDef shall be consistent but the 
+///       macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal)  // object is external
+#define osPoolDef(name, no, type)   \
+extern osPoolDef_t os_pool_def_##name
+#else                            // define the object
+#define osPoolDef(name, no, type)   \
+uint32_t os_pool_m_##name[3+((sizeof(type)+3)/4)*(no)]; \
+osPoolDef_t os_pool_def_##name = \
+{ (no), sizeof(type), (os_pool_m_##name) }
+#endif
+
+/// \brief Access a Memory Pool definition.
+/// \param         name          name of the memory pool
+/// \note CAN BE CHANGED: The parameter to \b osPool shall be consistent but the 
+///       macro body is implementation specific in every CMSIS-RTOS.
+#define osPool(name) \
+&os_pool_def_##name
+
+/// Create and Initialize a memory pool.
+/// \param[in]     pool_def      memory pool definition referenced with \ref osPool.
+/// \return memory pool ID for reference by other functions or NULL in case of error.
+/// \note MUST REMAIN UNCHANGED: \b osPoolCreate shall be consistent in every CMSIS-RTOS.
+osPoolId osPoolCreate (osPoolDef_t *pool_def);
+
+/// Allocate a memory block from a memory pool.
+/// \param[in]     pool_id       memory pool ID obtain referenced with \ref osPoolCreate.
+/// \return address of the allocated memory block or NULL in case of no memory available.
+/// \note MUST REMAIN UNCHANGED: \b osPoolAlloc shall be consistent in every CMSIS-RTOS.
+void *osPoolAlloc (osPoolId pool_id);
+
+/// Allocate a memory block from a memory pool and set memory block to zero.
+/// \param[in]     pool_id       memory pool ID obtain referenced with \ref osPoolCreate.
+/// \return address of the allocated memory block or NULL in case of no memory available.
+/// \note MUST REMAIN UNCHANGED: \b osPoolCAlloc shall be consistent in every CMSIS-RTOS.
+void *osPoolCAlloc (osPoolId pool_id);
+
+/// Return an allocated memory block back to a specific memory pool.
+/// \param[in]     pool_id       memory pool ID obtain referenced with \ref osPoolCreate.
+/// \param[in]     block         address of the allocated memory block that is returned to the memory pool.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osPoolFree shall be consistent in every CMSIS-RTOS.
+osStatus osPoolFree (osPoolId pool_id, void *block);
+
+#endif   // Memory Pool Management available
+
+
+//  ==== Message Queue Management Functions ====
+
+#if (defined (osFeature_MessageQ)  &&  (osFeature_MessageQ != 0))     // Message Queues available
+
+/// \brief Create a Message Queue Definition.
+/// \param         name          name of the queue.
+/// \param         queue_sz      maximum number of messages in the queue.
+/// \param         type          data type of a single message element (for debugger).
+/// \note CAN BE CHANGED: The parameter to \b osMessageQDef shall be consistent but the 
+///       macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal)  // object is external
+#define osMessageQDef(name, queue_sz, type)   \
+extern osMessageQDef_t os_messageQ_def_##name
+#else                            // define the object
+#define osMessageQDef(name, queue_sz, type)   \
+uint32_t os_messageQ_q_##name[4+(queue_sz)]; \
+osMessageQDef_t os_messageQ_def_##name = \
+{ (queue_sz), (os_messageQ_q_##name) }
+#endif
+
+/// \brief Access a Message Queue Definition.
+/// \param         name          name of the queue
+/// \note CAN BE CHANGED: The parameter to \b osMessageQ shall be consistent but the 
+///       macro body is implementation specific in every CMSIS-RTOS.
+#define osMessageQ(name) \
+&os_messageQ_def_##name
+
+/// Create and Initialize a Message Queue.
+/// \param[in]     queue_def     queue definition referenced with \ref osMessageQ.
+/// \param[in]     thread_id     thread ID (obtained by \ref osThreadCreate or \ref osThreadGetId) or NULL.
+/// \return message queue ID for reference by other functions or NULL in case of error.
+/// \note MUST REMAIN UNCHANGED: \b osMessageCreate shall be consistent in every CMSIS-RTOS.
+osMessageQId osMessageCreate (osMessageQDef_t *queue_def, osThreadId thread_id);
+
+/// Put a Message to a Queue.
+/// \param[in]     queue_id      message queue ID obtained with \ref osMessageCreate.
+/// \param[in]     info          message information.
+/// \param[in]     millisec      timeout value or 0 in case of no time-out.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osMessagePut shall be consistent in every CMSIS-RTOS.
+osStatus osMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec);
+
+/// Get a Message or Wait for a Message from a Queue.
+/// \param[in]     queue_id      message queue ID obtained with \ref osMessageCreate.
+/// \param[in]     millisec      timeout value or 0 in case of no time-out.
+/// \return event information that includes status code.
+/// \note MUST REMAIN UNCHANGED: \b osMessageGet shall be consistent in every CMSIS-RTOS.
+os_InRegs osEvent osMessageGet (osMessageQId queue_id, uint32_t millisec);
+
+#endif     // Message Queues available
+
+
+//  ==== Mail Queue Management Functions ====
+
+#if (defined (osFeature_MailQ)  &&  (osFeature_MailQ != 0))     // Mail Queues available
+
+/// \brief Create a Mail Queue Definition.
+/// \param         name          name of the queue
+/// \param         queue_sz      maximum number of messages in queue
+/// \param         type          data type of a single message element
+/// \note CAN BE CHANGED: The parameter to \b osMailQDef shall be consistent but the 
+///       macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal)  // object is external
+#define osMailQDef(name, queue_sz, type) \
+extern osMailQDef_t os_mailQ_def_##name
+#else                            // define the object
+#define osMailQDef(name, queue_sz, type) \
+uint32_t os_mailQ_q_##name[4+(queue_sz)]; \
+uint32_t os_mailQ_m_##name[3+((sizeof(type)+3)/4)*(queue_sz)]; \
+void *   os_mailQ_p_##name[2] = { (os_mailQ_q_##name), os_mailQ_m_##name }; \
+osMailQDef_t os_mailQ_def_##name =  \
+{ (queue_sz), sizeof(type), (os_mailQ_p_##name) }
+#endif
+     
+/// \brief Access a Mail Queue Definition.
+/// \param         name          name of the queue
+/// \note CAN BE CHANGED: The parameter to \b osMailQ shall be consistent but the 
+///       macro body is implementation specific in every CMSIS-RTOS.
+#define osMailQ(name)  \
+&os_mailQ_def_##name
+
+/// Create and Initialize mail queue.
+/// \param[in]     queue_def     reference to the mail queue definition obtain with \ref osMailQ
+/// \param[in]     thread_id     thread ID (obtained by \ref osThreadCreate or \ref osThreadGetId) or NULL.
+/// \return mail queue ID for reference by other functions or NULL in case of error.
+/// \note MUST REMAIN UNCHANGED: \b osMailCreate shall be consistent in every CMSIS-RTOS.
+osMailQId osMailCreate (osMailQDef_t *queue_def, osThreadId thread_id);
+
+/// Allocate a memory block from a mail.
+/// \param[in]     queue_id      mail queue ID obtained with \ref osMailCreate.
+/// \param[in]     millisec      timeout value or 0 in case of no time-out
+/// \return pointer to memory block that can be filled with mail or NULL in case of error.
+/// \note MUST REMAIN UNCHANGED: \b osMailAlloc shall be consistent in every CMSIS-RTOS.
+void *osMailAlloc (osMailQId queue_id, uint32_t millisec);
+
+/// Allocate a memory block from a mail and set memory block to zero.
+/// \param[in]     queue_id      mail queue ID obtained with \ref osMailCreate.
+/// \param[in]     millisec      timeout value or 0 in case of no time-out
+/// \return pointer to memory block that can be filled with mail or NULL in case of error.
+/// \note MUST REMAIN UNCHANGED: \b osMailCAlloc shall be consistent in every CMSIS-RTOS.
+void *osMailCAlloc (osMailQId queue_id, uint32_t millisec);
+
+/// Put a mail to a queue.
+/// \param[in]     queue_id      mail queue ID obtained with \ref osMailCreate.
+/// \param[in]     mail          memory block previously allocated with \ref osMailAlloc or \ref osMailCAlloc.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osMailPut shall be consistent in every CMSIS-RTOS.
+osStatus osMailPut (osMailQId queue_id, void *mail);
+
+/// Get a mail from a queue.
+/// \param[in]     queue_id      mail queue ID obtained with \ref osMailCreate.
+/// \param[in]     millisec      timeout value or 0 in case of no time-out
+/// \return event that contains mail information or error code.
+/// \note MUST REMAIN UNCHANGED: \b osMailGet shall be consistent in every CMSIS-RTOS.
+os_InRegs osEvent osMailGet (osMailQId queue_id, uint32_t millisec);
+
+/// Free a memory block from a mail.
+/// \param[in]     queue_id      mail queue ID obtained with \ref osMailCreate.
+/// \param[in]     mail          pointer to the memory block that was obtained with \ref osMailGet.
+/// \return status code that indicates the execution status of the function.
+/// \note MUST REMAIN UNCHANGED: \b osMailFree shall be consistent in every CMSIS-RTOS.
+osStatus osMailFree (osMailQId queue_id, void *mail);
+                            
+#endif  // Mail Queues available
+
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif  // _CMSIS_OS_H
diff --git a/libraries/rtos/rtx/os_tcb.h b/libraries/rtos/rtx/os_tcb.h
new file mode 100644
index 0000000000..00b38beb46
--- /dev/null
+++ b/libraries/rtos/rtx/os_tcb.h
@@ -0,0 +1,50 @@
+#ifndef OS_TCB_H
+#define OS_TCB_H
+
+/* Types */
+typedef char               S8;
+typedef unsigned char      U8;
+typedef short              S16;
+typedef unsigned short     U16;
+typedef int                S32;
+typedef unsigned int       U32;
+typedef long long          S64;
+typedef unsigned long long U64;
+typedef unsigned char      BIT;
+typedef unsigned int       BOOL;
+typedef void               (*FUNCP)(void);
+
+typedef struct OS_TCB {
+  /* General part: identical for all implementations.                        */
+  U8     cb_type;                 /* Control Block Type                      */
+  U8     state;                   /* Task state                              */
+  U8     prio;                    /* Execution priority                      */
+  U8     task_id;                 /* Task ID value for optimized TCB access  */
+  struct OS_TCB *p_lnk;           /* Link pointer for ready/sem. wait list   */
+  struct OS_TCB *p_rlnk;          /* Link pointer for sem./mbx lst backwards */
+  struct OS_TCB *p_dlnk;          /* Link pointer for delay list             */
+  struct OS_TCB *p_blnk;          /* Link pointer for delay list backwards   */
+  U16    delta_time;              /* Time until time out                     */
+  U16    interval_time;           /* Time interval for periodic waits        */
+  U16    events;                  /* Event flags                             */
+  U16    waits;                   /* Wait flags                              */
+  void   **msg;                   /* Direct message passing when task waits  */
+
+  /* Hardware dependant part: specific for CM processor                      */
+  U8     stack_frame;             /* Stack frame: 0=Basic, 1=Extended        */
+  U8     reserved;
+  U16    priv_stack;              /* Private stack size in bytes             */
+  U32    tsk_stack;               /* Current task Stack pointer (R13)        */
+  U32    *stack;                  /* Pointer to Task Stack memory block      */
+  
+  /* Library dependant part                                                   */
+#if defined (__CC_ARM) && !defined (__MICROLIB)
+ /* A memory space for arm standard library. */
+  U32 std_libspace[96/4];
+#endif
+  
+  /* Task entry point used for uVision debugger                              */
+  FUNCP  ptask;                   /* Task entry address                      */
+} *P_TCB;
+
+#endif
diff --git a/libraries/rtos/rtx/rt_CMSIS.c b/libraries/rtos/rtx/rt_CMSIS.c
new file mode 100644
index 0000000000..32e2fc98fa
--- /dev/null
+++ b/libraries/rtos/rtx/rt_CMSIS.c
@@ -0,0 +1,1918 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    rt_CMSIS.c
+ *      Purpose: CMSIS RTOS API
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#define __CMSIS_GENERIC
+
+#if defined (__CORTEX_M4) || defined (__CORTEX_M4F)
+  #include "core_cm4.h"
+#elif defined (__CORTEX_M3)
+  #include "core_cm3.h"
+#elif defined (__CORTEX_M0)
+  #include "core_cm0.h"
+#else
+  #error "Missing __CORTEX_Mx definition"
+#endif
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_Task.h"
+#include "rt_Event.h"
+#include "rt_List.h"
+#include "rt_Time.h"
+#include "rt_Mutex.h"
+#include "rt_Semaphore.h"
+#include "rt_Mailbox.h"
+#include "rt_MemBox.h"
+#include "rt_HAL_CM.h"
+
+#define os_thread_cb OS_TCB
+
+#include "cmsis_os.h"
+
+#if (osFeature_Signals != 16)
+#error Invalid "osFeature_Signals" value!
+#endif
+#if (osFeature_Semaphore > 65535)
+#error Invalid "osFeature_Semaphore" value!
+#endif
+#if (osFeature_Wait != 0)
+#error osWait not supported!
+#endif
+
+
+// ==== Enumeration, structures, defines ====
+
+// Service Calls defines
+
+#if defined (__CC_ARM)          /* ARM Compiler */
+
+#define __NO_RETURN __declspec(noreturn)
+
+#define osEvent_type       osEvent
+#define osEvent_ret_status ret
+#define osEvent_ret_value  ret
+#define osEvent_ret_msg    ret
+#define osEvent_ret_mail   ret
+
+#define osCallback_type    osCallback
+#define osCallback_ret     ret
+
+#define SVC_0_1(f,t,...)                                                       \
+__svc_indirect(0) t  _##f (t(*)());                                            \
+                  t     f (void);                                              \
+__attribute__((always_inline))                                                 \
+static __inline   t __##f (void) {                                             \
+  return _##f(f);                                                              \
+}
+
+#define SVC_1_1(f,t,t1,...)                                                    \
+__svc_indirect(0) t  _##f (t(*)(t1),t1);                                       \
+                  t     f (t1 a1);                                             \
+__attribute__((always_inline))                                                 \
+static __inline   t __##f (t1 a1) {                                            \
+  return _##f(f,a1);                                                           \
+}
+
+#define SVC_2_1(f,t,t1,t2,...)                                                 \
+__svc_indirect(0) t  _##f (t(*)(t1,t2),t1,t2);                                 \
+                  t     f (t1 a1, t2 a2);                                      \
+__attribute__((always_inline))                                                 \
+static __inline   t __##f (t1 a1, t2 a2) {                                     \
+  return _##f(f,a1,a2);                                                        \
+}
+
+#define SVC_3_1(f,t,t1,t2,t3,...)                                              \
+__svc_indirect(0) t  _##f (t(*)(t1,t2,t3),t1,t2,t3);                           \
+                  t     f (t1 a1, t2 a2, t3 a3);                               \
+__attribute__((always_inline))                                                 \
+static __inline   t __##f (t1 a1, t2 a2, t3 a3) {                              \
+  return _##f(f,a1,a2,a3);                                                     \
+}
+
+#define SVC_4_1(f,t,t1,t2,t3,t4,...)                                           \
+__svc_indirect(0) t  _##f (t(*)(t1,t2,t3,t4),t1,t2,t3,t4);                     \
+                  t     f (t1 a1, t2 a2, t3 a3, t4 a4);                        \
+__attribute__((always_inline))                                                 \
+static __inline   t __##f (t1 a1, t2 a2, t3 a3, t4 a4) {                       \
+  return _##f(f,a1,a2,a3,a4);                                                  \
+}
+
+#define SVC_1_2 SVC_1_1 
+#define SVC_1_3 SVC_1_1 
+#define SVC_2_3 SVC_2_1 
+
+#elif defined (__GNUC__)        /* GNU Compiler */
+
+#define __NO_RETURN __attribute__((noreturn))
+
+typedef uint32_t __attribute__((vector_size(8)))  ret64;
+typedef uint32_t __attribute__((vector_size(16))) ret128;
+
+#define RET_pointer    __r0
+#define RET_int32_t    __r0
+#define RET_osStatus   __r0
+#define RET_osPriority __r0
+#define RET_osEvent    {(osStatus)__r0, {(uint32_t)__r1}, {(void *)__r2}}
+#define RET_osCallback {(void *)__r0, (void *)__r1}
+
+#define osEvent_type        ret128
+#define osEvent_ret_status (ret128){ret.status}
+#define osEvent_ret_value  (ret128){ret.status, ret.value.v}
+#define osEvent_ret_msg    (ret128){ret.status, ret.value.v, (uint32_t)ret.def.message_id}
+#define osEvent_ret_mail   (ret128){ret.status, ret.value.v, (uint32_t)ret.def.mail_id}
+
+#define osCallback_type     ret64
+#define osCallback_ret     (ret64) {(uint32_t)ret.fp, (uint32_t)ret.arg}
+
+#define SVC_ArgN(n) \
+  register int __r##n __asm("r"#n);
+
+#define SVC_ArgR(n,t,a) \
+  register t   __r##n __asm("r"#n) = a;
+
+#define SVC_Arg0()                                                             \
+  SVC_ArgN(0)                                                                  \
+  SVC_ArgN(1)                                                                  \
+  SVC_ArgN(2)                                                                  \
+  SVC_ArgN(3)
+
+#define SVC_Arg1(t1)                                                           \
+  SVC_ArgR(0,t1,a1)                                                            \
+  SVC_ArgN(1)                                                                  \
+  SVC_ArgN(2)                                                                  \
+  SVC_ArgN(3)
+
+#define SVC_Arg2(t1,t2)                                                        \
+  SVC_ArgR(0,t1,a1)                                                            \
+  SVC_ArgR(1,t2,a2)                                                            \
+  SVC_ArgN(2)                                                                  \
+  SVC_ArgN(3)
+
+#define SVC_Arg3(t1,t2,t3)                                                     \
+  SVC_ArgR(0,t1,a1)                                                            \
+  SVC_ArgR(1,t2,a2)                                                            \
+  SVC_ArgR(2,t3,a3)                                                            \
+  SVC_ArgN(3)
+
+#define SVC_Arg4(t1,t2,t3,t4)                                                  \
+  SVC_ArgR(0,t1,a1)                                                            \
+  SVC_ArgR(1,t2,a2)                                                            \
+  SVC_ArgR(2,t3,a3)                                                            \
+  SVC_ArgR(3,t4,a4)
+
+#if (defined (__CORTEX_M0))
+#define SVC_Call(f)                                                            \
+  __asm volatile                                                                 \
+  (                                                                            \
+    "ldr r7,="#f"\n\t"                                                         \
+    "mov r12,r7\n\t"                                                           \
+    "svc 0"                                                                    \
+    :               "=r" (__r0), "=r" (__r1), "=r" (__r2), "=r" (__r3)         \
+    :                "r" (__r0),  "r" (__r1),  "r" (__r2),  "r" (__r3)         \
+    : "r7", "r12", "lr", "cc"                                                  \
+  );
+#else
+#define SVC_Call(f)                                                            \
+  __asm volatile                                                                 \
+  (                                                                            \
+    "ldr r12,="#f"\n\t"                                                        \
+    "svc 0"                                                                    \
+    :               "=r" (__r0), "=r" (__r1), "=r" (__r2), "=r" (__r3)         \
+    :                "r" (__r0),  "r" (__r1),  "r" (__r2),  "r" (__r3)         \
+    : "r12", "lr", "cc"                                                        \
+  );
+#endif
+
+#define SVC_0_1(f,t,rv)                                                        \
+__attribute__((always_inline))                                                 \
+static inline  t __##f (void) {                                                \
+  SVC_Arg0();                                                                  \
+  SVC_Call(f);                                                                 \
+  return (t) rv;                                                               \
+}
+
+#define SVC_1_1(f,t,t1,rv)                                                     \
+__attribute__((always_inline))                                                 \
+static inline  t __##f (t1 a1) {                                               \
+  SVC_Arg1(t1);                                                                \
+  SVC_Call(f);                                                                 \
+  return (t) rv;                                                               \
+}
+
+#define SVC_2_1(f,t,t1,t2,rv)                                                  \
+__attribute__((always_inline))                                                 \
+static inline  t __##f (t1 a1, t2 a2) {                                        \
+  SVC_Arg2(t1,t2);                                                             \
+  SVC_Call(f);                                                                 \
+  return (t) rv;                                                               \
+}
+
+#define SVC_3_1(f,t,t1,t2,t3,rv)                                               \
+__attribute__((always_inline))                                                 \
+static inline  t __##f (t1 a1, t2 a2, t3 a3) {                                 \
+  SVC_Arg3(t1,t2,t3);                                                          \
+  SVC_Call(f);                                                                 \
+  return (t) rv;                                                               \
+}
+
+#define SVC_4_1(f,t,t1,t2,t3,t4,rv)                                            \
+__attribute__((always_inline))                                                 \
+static inline  t __##f (t1 a1, t2 a2, t3 a3, t4 a4) {                          \
+  SVC_Arg4(t1,t2,t3,t4);                                                       \
+  SVC_Call(f);                                                                 \
+  return (t) rv;                                                               \
+}
+
+#define SVC_1_2 SVC_1_1 
+#define SVC_1_3 SVC_1_1 
+#define SVC_2_3 SVC_2_1 
+
+#elif defined (__ICCARM__)      /* IAR Compiler */
+
+#define __NO_RETURN __noreturn
+
+#define RET_osEvent        "=r"(ret.status), "=r"(ret.value), "=r"(ret.def)
+#define RET_osCallback     "=r"(ret.fp), "=r"(ret.arg)
+
+#define osEvent_type       osEvent
+#define osEvent_ret_status ret
+#define osEvent_ret_value  ret
+#define osEvent_ret_msg    ret
+#define osEvent_ret_mail   ret
+
+#define osCallback_type    uint64_t
+#define osCallback_ret     ((uint64_t)ret.fp | ((uint64_t)ret.arg)<<32)
+
+#define SVC_Setup(f)                                                           \
+  __asm(                                                                         \
+    "mov r12,%0\n"                                                             \
+    :: "r"(&f): "r12"                                                          \
+  );
+
+#define SVC_Ret3()                                                             \
+  __asm(                                                                         \
+    "ldr r0,[sp,#0]\n"                                                         \
+    "ldr r1,[sp,#4]\n"                                                         \
+    "ldr r2,[sp,#8]\n"                                                         \
+  );
+
+#define SVC_0_1(f,t,...)                                                       \
+t f (void);                                                                    \
+_Pragma("swi_number=0") __swi t _##f (void);                                   \
+static inline t __##f (void) {                                                 \
+  SVC_Setup(f);                                                                \
+  return _##f();                                                               \
+}
+
+#define SVC_1_1(f,t,t1,...)                                                    \
+t f (t1 a1);                                                                   \
+_Pragma("swi_number=0") __swi t _##f (t1 a1);                                  \
+static inline t __##f (t1 a1) {                                                \
+  SVC_Setup(f);                                                                \
+  return _##f(a1);                                                             \
+}
+
+#define SVC_2_1(f,t,t1,t2,...)                                                 \
+t f (t1 a1, t2 a2);                                                            \
+_Pragma("swi_number=0") __swi t _##f (t1 a1, t2 a2);                           \
+static inline t __##f (t1 a1, t2 a2) {                                         \
+  SVC_Setup(f);                                                                \
+  return _##f(a1,a2);                                                          \
+}
+
+#define SVC_3_1(f,t,t1,t2,t3,...)                                              \
+t f (t1 a1, t2 a2, t3 a3);                                                     \
+_Pragma("swi_number=0") __swi t _##f (t1 a1, t2 a2, t3 a3);                    \
+static inline t __##f (t1 a1, t2 a2, t3 a3) {                                  \
+  SVC_Setup(f);                                                                \
+  return _##f(a1,a2,a3);                                                       \
+}
+
+#define SVC_4_1(f,t,t1,t2,t3,t4,...)                                           \
+t f (t1 a1, t2 a2, t3 a3, t4 a4);                                              \
+_Pragma("swi_number=0") __swi t _##f (t1 a1, t2 a2, t3 a3, t4 a4);             \
+static inline t __##f (t1 a1, t2 a2, t3 a3, t4 a4) {                           \
+  SVC_Setup(f);                                                                \
+  return _##f(a1,a2,a3,a4);                                                    \
+}
+
+#define SVC_1_2(f,t,t1,rr)                                                     \
+uint64_t f (t1 a1);                                                            \
+_Pragma("swi_number=0") __swi uint64_t _##f (t1 a1);                           \
+static inline t __##f (t1 a1) {                                                \
+  t ret;                                                                       \
+  SVC_Setup(f);                                                                \
+  _##f(a1);                                                                    \
+  __asm("" : rr : :);                                                            \
+  return ret;                                                                  \
+}
+
+#define SVC_1_3(f,t,t1,rr)                                                     \
+t f (t1 a1);                                                                   \
+void f##_ (t1 a1) {                                                            \
+  f(a1);                                                                       \
+  SVC_Ret3();                                                                  \
+}                                                                              \
+_Pragma("swi_number=0") __swi void _##f (t1 a1);                               \
+static inline t __##f (t1 a1) {                                                \
+  t ret;                                                                       \
+  SVC_Setup(f##_);                                                             \
+  _##f(a1);                                                                    \
+  __asm("" : rr : :);                                                            \
+  return ret;                                                                  \
+}
+
+#define SVC_2_3(f,t,t1,t2,rr)                                                  \
+t f (t1 a1, t2 a2);                                                            \
+void f##_ (t1 a1, t2 a2) {                                                     \
+  f(a1,a2);                                                                    \
+  SVC_Ret3();                                                                  \
+}                                                                              \
+_Pragma("swi_number=0") __swi void _##f (t1 a1, t2 a2);                        \
+static inline t __##f (t1 a1, t2 a2) {                                         \
+  t ret;                                                                       \
+  SVC_Setup(f##_);                                                             \
+  _##f(a1,a2);                                                                 \
+  __asm("" : rr : :);                                                            \
+  return ret;                                                                  \
+}
+
+#endif
+
+
+// Callback structure
+typedef struct {
+  void *fp;             // Function pointer
+  void *arg;            // Function argument
+} osCallback;
+
+
+// OS Section definitions
+#ifdef OS_SECTIONS_LINK_INFO
+extern const uint32_t  os_section_id$$Base;
+extern const uint32_t  os_section_id$$Limit;
+#endif
+
+// OS Timers external resources
+extern osThreadDef_t   os_thread_def_osTimerThread;
+extern osThreadId      osThreadId_osTimerThread;
+extern osMessageQDef_t os_messageQ_def_osTimerMessageQ;
+extern osMessageQId    osMessageQId_osTimerMessageQ;
+
+
+// ==== Helper Functions ====
+
+/// Convert timeout in millisec to system ticks
+static uint32_t rt_ms2tick (uint32_t millisec) {
+  uint32_t tick;
+
+  if (millisec == osWaitForever) return 0xFFFF; // Indefinite timeout
+  if (millisec > 4000000) return 0xFFFE;        // Max ticks supported
+
+  tick = ((1000 * millisec) + os_clockrate - 1)  / os_clockrate;
+  if (tick > 0xFFFE) return 0xFFFE;
+  
+  return tick;
+}
+
+/// Convert Thread ID to TCB pointer
+static P_TCB rt_tid2ptcb (osThreadId thread_id) {
+  P_TCB ptcb;
+
+  if (thread_id == NULL) return NULL;
+
+  if ((uint32_t)thread_id & 3) return NULL;
+
+#ifdef OS_SECTIONS_LINK_INFO
+  if ((os_section_id$$Base != 0) && (os_section_id$$Limit != 0)) {
+    if (thread_id  < (osThreadId)os_section_id$$Base)  return NULL;
+    if (thread_id >= (osThreadId)os_section_id$$Limit) return NULL;
+  }
+#endif
+
+  ptcb = thread_id;
+
+  if (ptcb->cb_type != TCB) return NULL;
+
+  return ptcb;
+}
+
+/// Convert ID pointer to Object pointer
+static void *rt_id2obj (void *id) {
+
+  if ((uint32_t)id & 3) return NULL;
+
+#ifdef OS_SECTIONS_LINK_INFO
+  if ((os_section_id$$Base != 0) && (os_section_id$$Limit != 0)) {
+    if (id  < (void *)os_section_id$$Base)  return NULL;
+    if (id >= (void *)os_section_id$$Limit) return NULL;
+  }
+#endif
+
+  return id;
+}
+
+
+// ==== Kernel Control ====
+
+uint8_t os_initialized;                         // Kernel Initialized flag
+uint8_t os_running;                             // Kernel Running flag
+
+// Kernel Control Service Calls declarations
+SVC_0_1(svcKernelInitialize, osStatus, RET_osStatus)
+SVC_0_1(svcKernelStart,      osStatus, RET_osStatus)
+SVC_0_1(svcKernelRunning,    int32_t,  RET_int32_t)
+
+extern void  sysThreadError   (osStatus status);
+osThreadId   svcThreadCreate  (osThreadDef_t *thread_def, void *argument);
+osMessageQId svcMessageCreate (osMessageQDef_t *queue_def, osThreadId thread_id);
+
+// Kernel Control Service Calls
+
+/// Initialize the RTOS Kernel for creating objects
+osStatus svcKernelInitialize (void) {
+  if (os_initialized) return osOK;
+
+  rt_sys_init();                                // RTX System Initialization
+  os_tsk.run->prio = 255;                       // Highest priority
+
+  sysThreadError(osOK);
+
+  os_initialized = 1;
+
+  return osOK;
+}
+
+/// Start the RTOS Kernel
+osStatus svcKernelStart (void) {
+
+  if (os_running) return osOK;
+
+  // Create OS Timers resources (Message Queue & Thread)
+  osMessageQId_osTimerMessageQ = svcMessageCreate (&os_messageQ_def_osTimerMessageQ, NULL);
+  osThreadId_osTimerThread = svcThreadCreate(&os_thread_def_osTimerThread, NULL);
+
+  rt_tsk_prio(0, 0);                            // Lowest priority
+  __set_PSP(os_tsk.run->tsk_stack + 8*4);       // New context
+  os_tsk.run = NULL;                            // Force context switch
+
+  rt_sys_start();
+
+  os_running = 1;
+
+  return osOK;
+}
+
+/// Check if the RTOS kernel is already started
+int32_t svcKernelRunning(void) {
+  return os_running;
+}
+
+// Kernel Control Public API
+
+/// Initialize the RTOS Kernel for creating objects
+osStatus osKernelInitialize (void) {
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  if ((__get_CONTROL() & 1) == 0) {             // Privileged mode
+    return   svcKernelInitialize();
+  } else {
+    return __svcKernelInitialize();
+  }
+}
+
+/// Start the RTOS Kernel
+osStatus osKernelStart (void) {
+  uint32_t stack[8];
+  
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  switch (__get_CONTROL() & 0x03) {
+    case 0x00:                                  // Privileged Thread mode & MSP
+      __set_PSP((uint32_t)(stack + 8));         // Initial PSP
+      if (os_flags & 1) {                       
+        __set_CONTROL(0x02);                    // Set Privileged Thread mode & PSP
+      } else {
+        __set_CONTROL(0x03);                    // Set Unprivileged Thread mode & PSP
+      }
+      __DSB();
+      __ISB();
+      break;
+    case 0x01:                                  // Unprivileged Thread mode & MSP
+      return osErrorOS;
+    case 0x02:                                  // Privileged Thread mode & PSP
+      if ((os_flags & 1) == 0) {                // Unprivileged Thread mode requested
+        __set_CONTROL(0x03);                    // Set Unprivileged Thread mode & PSP
+        __DSB();
+        __ISB();
+      }
+      break;
+    case 0x03:                                  // Unprivileged Thread mode & PSP
+      if  (os_flags & 1) return osErrorOS;      // Privileged Thread mode requested
+      break;
+  }
+  return __svcKernelStart();
+}
+
+/// Check if the RTOS kernel is already started
+int32_t osKernelRunning(void) {
+  if ((__get_IPSR() != 0) || ((__get_CONTROL() & 1) == 0)) {
+    // in ISR or Privileged
+    return os_running;
+  } else {
+    return __svcKernelRunning();
+  }
+}
+
+
+// ==== Thread Management ====
+
+__NO_RETURN void osThreadExit (void);
+
+// Thread Service Calls declarations
+SVC_2_1(svcThreadCreate,      osThreadId, osThreadDef_t *, void *,     RET_pointer)
+SVC_0_1(svcThreadGetId,       osThreadId,                              RET_pointer)
+SVC_1_1(svcThreadTerminate,   osStatus,   osThreadId,                  RET_osStatus)
+SVC_0_1(svcThreadYield,       osStatus,                                RET_osStatus)
+SVC_2_1(svcThreadSetPriority, osStatus,   osThreadId,      osPriority, RET_osStatus)
+SVC_1_1(svcThreadGetPriority, osPriority, osThreadId,                  RET_osPriority)
+
+// Thread Service Calls
+extern OS_TID rt_get_TID (void);
+extern void   rt_init_context (P_TCB p_TCB, U8 priority, FUNCP task_body);
+
+/// Create a thread and add it to Active Threads and set it to state READY
+osThreadId svcThreadCreate (osThreadDef_t *thread_def, void *argument) {
+  P_TCB  ptcb;
+  
+  if ((thread_def == NULL) ||
+      (thread_def->pthread == NULL) ||
+      (thread_def->tpriority < osPriorityIdle) ||
+      (thread_def->tpriority > osPriorityRealtime) ||
+      (thread_def->stacksize == 0) ||
+      (thread_def->stack_pointer == NULL) ) {
+    sysThreadError(osErrorParameter); 
+    return NULL; 
+  }
+  
+  U8 priority = thread_def->tpriority - osPriorityIdle + 1;
+  P_TCB task_context = &thread_def->tcb;
+  
+  /* If "size != 0" use a private user provided stack. */
+  task_context->stack      = (U32*)thread_def->stack_pointer;
+  task_context->priv_stack = thread_def->stacksize;
+  /* Pass parameter 'argv' to 'rt_init_context' */
+  task_context->msg = argument;
+  /* For 'size == 0' system allocates the user stack from the memory pool. */
+  rt_init_context (task_context, priority, (FUNCP)thread_def->pthread);
+
+  /* Find a free entry in 'os_active_TCB' table. */
+  OS_TID tsk = rt_get_TID ();
+  os_active_TCB[tsk-1] = task_context;
+  task_context->task_id = tsk;
+  DBG_TASK_NOTIFY(task_context, __TRUE);
+  rt_dispatch (task_context);
+  
+  ptcb = (P_TCB)os_active_TCB[tsk - 1];         // TCB pointer
+
+  *((uint32_t *)ptcb->tsk_stack + 13) = (uint32_t)osThreadExit;
+
+  return ptcb;
+}
+
+/// Return the thread ID of the current running thread
+osThreadId svcThreadGetId (void) {
+  OS_TID tsk;
+
+  tsk = rt_tsk_self();
+  if (tsk == 0) return NULL;
+  return (P_TCB)os_active_TCB[tsk - 1];
+}
+
+/// Terminate execution of a thread and remove it from ActiveThreads
+osStatus svcThreadTerminate (osThreadId thread_id) {
+  OS_RESULT res;
+  P_TCB     ptcb;
+  
+  ptcb = rt_tid2ptcb(thread_id);                // Get TCB pointer
+  if (ptcb == NULL) return osErrorParameter;
+  
+  res = rt_tsk_delete(ptcb->task_id);           // Delete task
+
+  if (res == OS_R_NOK) return osErrorResource;  // Delete task failed
+  
+  return osOK;
+}
+
+/// Pass control to next thread that is in state READY
+osStatus svcThreadYield (void) {
+  rt_tsk_pass();                                // Pass control to next task
+  return osOK;
+}
+
+/// Change priority of an active thread
+osStatus svcThreadSetPriority (osThreadId thread_id, osPriority priority) {
+  OS_RESULT res;
+  P_TCB     ptcb;
+
+  ptcb = rt_tid2ptcb(thread_id);                // Get TCB pointer
+  if (ptcb == NULL) return osErrorParameter;
+
+  if ((priority < osPriorityIdle) || (priority > osPriorityRealtime)) {
+    return osErrorValue;
+  }
+
+  res = rt_tsk_prio(                            // Change task priority
+    ptcb->task_id,                              // Task ID
+    priority - osPriorityIdle + 1               // New task priority
+  );
+
+  if (res == OS_R_NOK) return osErrorResource;  // Change task priority failed
+
+  return osOK;
+}
+
+/// Get current priority of an active thread
+osPriority svcThreadGetPriority (osThreadId thread_id) {
+  P_TCB ptcb;
+
+  ptcb = rt_tid2ptcb(thread_id);                // Get TCB pointer
+  if (ptcb == NULL) return osPriorityError;
+
+  return (osPriority)(ptcb->prio - 1 + osPriorityIdle); 
+}
+
+
+// Thread Public API
+
+/// Create a thread and add it to Active Threads and set it to state READY
+osThreadId osThreadCreate (osThreadDef_t *thread_def, void *argument) {
+  if (__get_IPSR() != 0) return NULL;           // Not allowed in ISR
+  if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
+    // Privileged and not running
+    return   svcThreadCreate(thread_def, argument);
+  } else {
+    return __svcThreadCreate(thread_def, argument);
+  }
+}
+
+/// Return the thread ID of the current running thread
+osThreadId osThreadGetId (void) {
+  if (__get_IPSR() != 0) return NULL;           // Not allowed in ISR
+  return __svcThreadGetId();
+}
+
+/// Terminate execution of a thread and remove it from ActiveThreads
+osStatus osThreadTerminate (osThreadId thread_id) {
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  return __svcThreadTerminate(thread_id);
+}
+
+/// Pass control to next thread that is in state READY
+osStatus osThreadYield (void) {
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  return __svcThreadYield();
+}
+
+/// Change priority of an active thread
+osStatus osThreadSetPriority (osThreadId thread_id, osPriority priority) {
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  return __svcThreadSetPriority(thread_id, priority);
+}
+
+/// Get current priority of an active thread
+osPriority osThreadGetPriority (osThreadId thread_id) {
+  if (__get_IPSR() != 0) return osPriorityError;// Not allowed in ISR
+  return __svcThreadGetPriority(thread_id);
+}
+
+/// INTERNAL - Not Public
+/// Auto Terminate Thread on exit (used implicitly when thread exists)
+__NO_RETURN void osThreadExit (void) { 
+  __svcThreadTerminate(__svcThreadGetId()); 
+  for (;;);                                     // Should never come here
+}
+
+
+// ==== Generic Wait Functions ====
+
+// Generic Wait Service Calls declarations
+SVC_1_1(svcDelay,           osStatus, uint32_t, RET_osStatus)
+#if osFeature_Wait != 0
+SVC_1_3(svcWait,  os_InRegs osEvent,  uint32_t, RET_osEvent)
+#endif
+
+// Generic Wait Service Calls
+
+/// Wait for Timeout (Time Delay)
+osStatus svcDelay (uint32_t millisec) {
+  if (millisec == 0) return osOK;
+  rt_dly_wait(rt_ms2tick(millisec));
+  return osEventTimeout;
+}
+
+/// Wait for Signal, Message, Mail, or Timeout
+#if osFeature_Wait != 0
+os_InRegs osEvent_type svcWait (uint32_t millisec) {
+  osEvent ret;
+
+  if (millisec == 0) {
+    ret.status = osOK;
+    return osEvent_ret_status;
+  }
+
+  /* To Do: osEventSignal, osEventMessage, osEventMail */
+  rt_dly_wait(rt_ms2tick(millisec));
+  ret.status = osEventTimeout;
+
+  return osEvent_ret_status;
+}
+#endif
+
+
+// Generic Wait API
+
+/// Wait for Timeout (Time Delay)
+osStatus osDelay (uint32_t millisec) {
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  return __svcDelay(millisec);
+}
+
+/// Wait for Signal, Message, Mail, or Timeout
+os_InRegs osEvent osWait (uint32_t millisec) {
+  osEvent ret;
+
+#if osFeature_Wait == 0
+  ret.status = osErrorOS;
+  return ret;
+#else
+  if (__get_IPSR() != 0) {                      // Not allowed in ISR
+    ret.status = osErrorISR;
+    return ret;
+  }
+  return __svcWait(millisec);
+#endif
+}
+
+
+// ==== Timer Management ====
+
+// Timer definitions
+#define osTimerInvalid  0
+#define osTimerStopped  1
+#define osTimerRunning  2
+
+// Timer structures 
+
+typedef struct os_timer_cb_ {                   // Timer Control Block
+  struct os_timer_cb_ *next;                    // Pointer to next active Timer
+  uint8_t             state;                    // Timer State
+  uint8_t              type;                    // Timer Type (Periodic/One-shot)
+  uint16_t         reserved;                    // Reserved
+  uint16_t             tcnt;                    // Timer Delay Count
+  uint16_t             icnt;                    // Timer Initial Count 
+  void                 *arg;                    // Timer Function Argument
+  osTimerDef_t       *timer;                    // Pointer to Timer definition
+} os_timer_cb;
+
+// Timer variables
+os_timer_cb *os_timer_head;                     // Pointer to first active Timer
+
+
+// Timer Helper Functions
+
+// Insert Timer into the list sorted by time
+static void rt_timer_insert (os_timer_cb *pt, uint32_t tcnt) {
+  os_timer_cb *p, *prev;
+
+  prev = NULL;
+  p = os_timer_head;
+  while (p != NULL) {
+    if (tcnt < p->tcnt) break;
+    tcnt -= p->tcnt;
+    prev = p;
+    p = p->next;
+  }
+  pt->next = p;
+  pt->tcnt = (uint16_t)tcnt;
+  if (p != NULL) {
+    p->tcnt -= pt->tcnt;
+  }
+  if (prev != NULL) {
+    prev->next = pt;
+  } else {
+    os_timer_head = pt;
+  }
+}
+
+// Remove Timer from the list
+static int rt_timer_remove (os_timer_cb *pt) {
+  os_timer_cb *p, *prev;
+
+  prev = NULL;
+  p = os_timer_head;
+  while (p != NULL) {
+    if (p == pt) break;
+    prev = p;
+    p = p->next;
+  }
+  if (p == NULL) return -1;
+  if (prev != NULL) {
+    prev->next = pt->next;
+  } else {
+    os_timer_head = pt->next;
+  }
+  if (pt->next != NULL) {
+    pt->next->tcnt += pt->tcnt;
+  }
+
+  return 0;
+}
+
+
+// Timer Service Calls declarations
+SVC_3_1(svcTimerCreate,           osTimerId,  osTimerDef_t *, os_timer_type, void *, RET_pointer)
+SVC_2_1(svcTimerStart,            osStatus,   osTimerId,      uint32_t,              RET_osStatus)
+SVC_1_1(svcTimerStop,             osStatus,   osTimerId,                             RET_osStatus)
+SVC_1_1(svcTimerDelete,           osStatus,   osTimerId,                             RET_osStatus)
+SVC_1_2(svcTimerCall,   os_InRegs osCallback, osTimerId,                             RET_osCallback)
+
+// Timer Management Service Calls
+
+/// Create timer
+osTimerId svcTimerCreate (osTimerDef_t *timer_def, os_timer_type type, void *argument) {
+  os_timer_cb *pt;
+
+  if ((timer_def == NULL) || (timer_def->ptimer == NULL)) {
+    sysThreadError(osErrorParameter);
+    return NULL;
+  }
+
+  pt = timer_def->timer;
+  if (pt == NULL) {
+    sysThreadError(osErrorParameter);
+    return NULL;
+  }
+
+  if ((type != osTimerOnce) && (type != osTimerPeriodic)) {
+    sysThreadError(osErrorValue);
+    return NULL;
+  }
+
+  if (osThreadId_osTimerThread == NULL) {
+    sysThreadError(osErrorResource);
+    return NULL;
+  }
+
+  if (pt->state != osTimerInvalid){
+    sysThreadError(osErrorResource);
+    return NULL;
+  }
+
+  pt->state = osTimerStopped;
+  pt->type  =  (uint8_t)type;
+  pt->arg   = argument;
+  pt->timer = timer_def;
+
+  return (osTimerId)pt;
+}
+
+/// Start or restart timer
+osStatus svcTimerStart (osTimerId timer_id, uint32_t millisec) {
+  os_timer_cb *pt;
+  uint32_t     tcnt;
+
+  pt = rt_id2obj(timer_id);
+  if (pt == NULL) return osErrorParameter;
+
+  tcnt = rt_ms2tick(millisec);
+  if (tcnt == 0) return osErrorValue;
+
+  switch (pt->state) {
+    case osTimerRunning:
+      if (rt_timer_remove(pt) != 0) {
+        return osErrorResource;
+      }
+      break;
+    case osTimerStopped:
+      pt->state = osTimerRunning;
+      pt->icnt  = (uint16_t)tcnt;
+      break;
+    default:
+      return osErrorResource;
+  }
+  
+  rt_timer_insert(pt, tcnt);
+
+  return osOK;
+}
+
+/// Stop timer
+osStatus svcTimerStop (osTimerId timer_id) {
+  os_timer_cb *pt;
+
+  pt = rt_id2obj(timer_id);
+  if (pt == NULL) return osErrorParameter;
+
+  if (pt->state != osTimerRunning) return osErrorResource;
+
+  pt->state = osTimerStopped;
+
+  if (rt_timer_remove(pt) != 0) {
+    return osErrorResource;
+  }
+
+  return osOK;
+}
+
+/// Delete timer
+osStatus svcTimerDelete (osTimerId timer_id) {
+  os_timer_cb *pt;
+
+  pt = rt_id2obj(timer_id);
+  if (pt == NULL) return osErrorParameter;
+
+  switch (pt->state) {
+    case osTimerRunning:
+      rt_timer_remove(pt);
+      break;
+    case osTimerStopped:
+      break;
+    default:
+      return osErrorResource;
+  }
+
+  pt->state = osTimerInvalid;
+
+  return osOK;
+}
+
+/// Get timer callback parameters
+os_InRegs osCallback_type svcTimerCall (osTimerId timer_id) {
+  os_timer_cb *pt;
+  osCallback   ret;
+
+  pt = rt_id2obj(timer_id);
+  if (pt == NULL) {
+    ret.fp  = NULL;
+    ret.arg = NULL;
+    return osCallback_ret;
+  }
+
+  ret.fp  = (void *)pt->timer->ptimer;
+  ret.arg = pt->arg;
+
+  return osCallback_ret;
+}
+
+static __INLINE osStatus isrMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec);
+
+/// Timer Tick (called each SysTick)
+void sysTimerTick (void) {
+  os_timer_cb *pt, *p;
+
+  p = os_timer_head;
+  if (p == NULL) return;
+
+  p->tcnt--;
+  while ((p != NULL) && (p->tcnt == 0)) {
+    pt = p;
+    p = p->next;
+    os_timer_head = p;
+    isrMessagePut(osMessageQId_osTimerMessageQ, (uint32_t)pt, 0);
+    if (pt->type == osTimerPeriodic) {
+      rt_timer_insert(pt, pt->icnt);
+    } else {
+      pt->state = osTimerStopped;
+    }
+  }
+}
+
+
+// Timer Management Public API
+
+/// Create timer
+osTimerId osTimerCreate (osTimerDef_t *timer_def, os_timer_type type, void *argument) {
+  if (__get_IPSR() != 0) return NULL;           // Not allowed in ISR
+  if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
+    // Privileged and not running
+    return   svcTimerCreate(timer_def, type, argument);
+  } else {
+    return __svcTimerCreate(timer_def, type, argument);
+  }
+}
+
+/// Start or restart timer
+osStatus osTimerStart (osTimerId timer_id, uint32_t millisec) {
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  return __svcTimerStart(timer_id, millisec);
+}
+
+/// Stop timer
+osStatus osTimerStop (osTimerId timer_id) {
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  return __svcTimerStop(timer_id);
+}
+
+/// Delete timer
+osStatus osTimerDelete (osTimerId timer_id) {
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  return __svcTimerDelete(timer_id);
+}
+
+/// INTERNAL - Not Public
+/// Get timer callback parameters (used by OS Timer Thread)
+os_InRegs osCallback osTimerCall (osTimerId timer_id) { 
+  return __svcTimerCall(timer_id); 
+}
+
+
+// Timer Thread
+__NO_RETURN void osTimerThread (void const *argument) {
+  osCallback cb;
+  osEvent    evt;
+
+  for (;;) {
+    evt = osMessageGet(osMessageQId_osTimerMessageQ, osWaitForever);
+    if (evt.status == osEventMessage) {
+      cb = osTimerCall(evt.value.p);
+      if (cb.fp != NULL) {
+        (*(os_ptimer)cb.fp)(cb.arg);
+      }
+    }
+  }
+}
+
+
+// ==== Signal Management ====
+
+// Signal Service Calls declarations
+SVC_2_1(svcSignalSet,             int32_t, osThreadId, int32_t,  RET_int32_t)
+SVC_2_1(svcSignalClear,           int32_t, osThreadId, int32_t,  RET_int32_t)
+SVC_1_1(svcSignalGet,             int32_t, osThreadId,           RET_int32_t)
+SVC_2_3(svcSignalWait,  os_InRegs osEvent, int32_t,    uint32_t, RET_osEvent)
+
+// Signal Service Calls
+
+/// Set the specified Signal Flags of an active thread
+int32_t svcSignalSet (osThreadId thread_id, int32_t signals) {
+  P_TCB   ptcb;
+  int32_t sig;
+
+  ptcb = rt_tid2ptcb(thread_id);                // Get TCB pointer
+  if (ptcb == NULL) return 0x80000000;
+
+  if (signals & (0xFFFFFFFF << osFeature_Signals)) return 0x80000000;
+
+  sig = ptcb->events;                           // Previous signal flags
+
+  rt_evt_set(signals, ptcb->task_id);           // Set event flags
+
+  return sig;
+}
+
+/// Clear the specified Signal Flags of an active thread
+int32_t svcSignalClear (osThreadId thread_id, int32_t signals) {
+  P_TCB   ptcb;
+  int32_t sig;
+
+  ptcb = rt_tid2ptcb(thread_id);                // Get TCB pointer
+  if (ptcb == NULL) return 0x80000000;
+
+  if (signals & (0xFFFFFFFF << osFeature_Signals)) return 0x80000000;
+
+  sig = ptcb->events;                           // Previous signal flags
+
+  rt_evt_clr(signals, ptcb->task_id);           // Clear event flags
+
+  return sig;
+}
+
+/// Get Signal Flags status of an active thread
+int32_t svcSignalGet (osThreadId thread_id) {
+  P_TCB ptcb;
+
+  ptcb = rt_tid2ptcb(thread_id);                // Get TCB pointer
+  if (ptcb == NULL) return 0x80000000;
+
+  return ptcb->events;                          // Return event flags
+}
+
+/// Wait for one or more Signal Flags to become signaled for the current RUNNING thread
+os_InRegs osEvent_type svcSignalWait (int32_t signals, uint32_t millisec) {
+  OS_RESULT res;
+  osEvent   ret;
+
+  if (signals & (0xFFFFFFFF << osFeature_Signals)) {
+    ret.status = osErrorValue;
+    return osEvent_ret_status;
+  }
+
+  if (signals != 0) {                           // Wait for all specified signals
+    res = rt_evt_wait(signals, rt_ms2tick(millisec), __TRUE);
+  } else {                                      // Wait for any signal
+    res = rt_evt_wait(0xFFFF,  rt_ms2tick(millisec), __FALSE);
+  }
+
+  if (res == OS_R_EVT) {
+    ret.status = osEventSignal;
+    ret.value.signals = signals ? signals : os_tsk.run->waits;
+  } else {
+    ret.status = millisec ? osEventTimeout : osOK;
+    ret.value.signals = 0;
+  }
+
+  return osEvent_ret_value;
+}
+
+
+// Signal ISR Calls
+
+/// Set the specified Signal Flags of an active thread
+static __INLINE int32_t isrSignalSet (osThreadId thread_id, int32_t signals) {
+  P_TCB   ptcb;
+  int32_t sig;
+
+  ptcb = rt_tid2ptcb(thread_id);                // Get TCB pointer
+  if (ptcb == NULL) return 0x80000000;
+
+  if (signals & (0xFFFFFFFF << osFeature_Signals)) return 0x80000000;
+
+  sig = ptcb->events;                           // Previous signal flags
+
+  isr_evt_set(signals, ptcb->task_id);          // Set event flags
+
+  return sig;
+}
+
+
+// Signal Public API
+
+/// Set the specified Signal Flags of an active thread
+int32_t osSignalSet (osThreadId thread_id, int32_t signals) {
+  if (__get_IPSR() != 0) {                      // in ISR
+    return   isrSignalSet(thread_id, signals); 
+  } else {                                      // in Thread
+    return __svcSignalSet(thread_id, signals);
+  }
+}
+
+/// Clear the specified Signal Flags of an active thread
+int32_t osSignalClear (osThreadId thread_id, int32_t signals) {
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  return __svcSignalClear(thread_id, signals);
+}
+
+/// Get Signal Flags status of an active thread
+int32_t osSignalGet (osThreadId thread_id) {
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  return __svcSignalGet(thread_id);
+}
+
+/// Wait for one or more Signal Flags to become signaled for the current RUNNING thread
+os_InRegs osEvent osSignalWait (int32_t signals, uint32_t millisec) {
+  osEvent ret;
+
+  if (__get_IPSR() != 0) {                      // Not allowed in ISR
+    ret.status = osErrorISR;
+    return ret;
+  }
+  return __svcSignalWait(signals, millisec);
+}
+
+
+// ==== Mutex Management ====
+
+// Mutex Service Calls declarations
+SVC_1_1(svcMutexCreate,  osMutexId, osMutexDef_t *,           RET_pointer)
+SVC_2_1(svcMutexWait,    osStatus,  osMutexId,      uint32_t, RET_osStatus)
+SVC_1_1(svcMutexRelease, osStatus,  osMutexId,                RET_osStatus)
+SVC_1_1(svcMutexDelete,  osStatus,  osMutexId,                RET_osStatus)
+
+// Mutex Service Calls
+
+/// Create and Initialize a Mutex object
+osMutexId svcMutexCreate (osMutexDef_t *mutex_def) {
+  OS_ID mut;
+
+  if (mutex_def == NULL) {
+    sysThreadError(osErrorParameter);
+    return NULL;
+  }
+
+  mut = mutex_def->mutex;
+  if (mut == NULL) {
+    sysThreadError(osErrorParameter);
+    return NULL;
+  }
+
+  if (((P_MUCB)mut)->cb_type != 0) {
+    sysThreadError(osErrorParameter);
+    return NULL;
+  }
+
+  rt_mut_init(mut);                             // Initialize Mutex
+
+  return mut;
+}
+
+/// Wait until a Mutex becomes available
+osStatus svcMutexWait (osMutexId mutex_id, uint32_t millisec) {
+  OS_ID     mut;
+  OS_RESULT res;
+
+  mut = rt_id2obj(mutex_id);
+  if (mut == NULL) return osErrorParameter;
+
+  if (((P_MUCB)mut)->cb_type != MUCB) return osErrorParameter;
+
+  res = rt_mut_wait(mut, rt_ms2tick(millisec)); // Wait for Mutex
+
+  if (res == OS_R_TMO) {
+    return (millisec ? osErrorTimeoutResource : osErrorResource);
+  }
+
+  return osOK;
+}
+
+/// Release a Mutex that was obtained with osMutexWait
+osStatus svcMutexRelease (osMutexId mutex_id) {
+  OS_ID     mut;
+  OS_RESULT res;
+
+  mut = rt_id2obj(mutex_id);
+  if (mut == NULL) return osErrorParameter;
+
+  if (((P_MUCB)mut)->cb_type != MUCB) return osErrorParameter;
+
+  res = rt_mut_release(mut);                    // Release Mutex
+
+  if (res == OS_R_NOK) return osErrorResource;  // Thread not owner or Zero Counter
+
+  return osOK;
+}
+
+/// Delete a Mutex that was created by osMutexCreate
+osStatus svcMutexDelete (osMutexId mutex_id) {
+  OS_ID mut;
+
+  mut = rt_id2obj(mutex_id);
+  if (mut == NULL) return osErrorParameter;
+
+  if (((P_MUCB)mut)->cb_type != MUCB) return osErrorParameter;
+
+  rt_mut_delete(mut);                           // Release Mutex
+
+  return osOK;
+}
+
+
+// Mutex Public API
+
+/// Create and Initialize a Mutex object
+osMutexId osMutexCreate (osMutexDef_t *mutex_def) {
+  if (__get_IPSR() != 0) return NULL;           // Not allowed in ISR
+  if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
+    // Privileged and not running
+    return    svcMutexCreate(mutex_def);
+  } else {
+    return __svcMutexCreate(mutex_def);
+  }
+}
+
+/// Wait until a Mutex becomes available
+osStatus osMutexWait (osMutexId mutex_id, uint32_t millisec) {
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  return __svcMutexWait(mutex_id, millisec);
+}
+
+/// Release a Mutex that was obtained with osMutexWait
+osStatus osMutexRelease (osMutexId mutex_id) {
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  return __svcMutexRelease(mutex_id);
+}
+
+/// Delete a Mutex that was created by osMutexCreate
+osStatus osMutexDelete (osMutexId mutex_id) {
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  return __svcMutexDelete(mutex_id);
+}
+
+
+// ==== Semaphore Management ====
+
+// Semaphore Service Calls declarations
+SVC_2_1(svcSemaphoreCreate,  osSemaphoreId, const osSemaphoreDef_t *,  int32_t, RET_pointer)
+SVC_2_1(svcSemaphoreWait,    int32_t,       osSemaphoreId,      uint32_t, RET_int32_t)
+SVC_1_1(svcSemaphoreRelease, osStatus,      osSemaphoreId,                RET_osStatus)
+SVC_1_1(svcSemaphoreDelete,  osStatus,            osSemaphoreId,                RET_osStatus)
+
+// Semaphore Service Calls
+
+/// Create and Initialize a Semaphore object
+osSemaphoreId svcSemaphoreCreate (const osSemaphoreDef_t *semaphore_def, int32_t count) {
+  OS_ID sem;
+
+  if (semaphore_def == NULL) {
+    sysThreadError(osErrorParameter);
+    return NULL;
+  }
+
+  sem = semaphore_def->semaphore;
+  if (sem == NULL) {
+    sysThreadError(osErrorParameter);
+    return NULL;
+  }
+
+  if (((P_SCB)sem)->cb_type != 0) {
+    sysThreadError(osErrorParameter);
+    return NULL;
+  }
+
+  if (count > osFeature_Semaphore) {
+    sysThreadError(osErrorValue);
+    return NULL;
+  }
+
+  rt_sem_init(sem, count);                      // Initialize Semaphore
+  
+  return sem;
+}
+
+/// Wait until a Semaphore becomes available
+int32_t svcSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec) {
+  OS_ID     sem;
+  OS_RESULT res;
+
+  sem = rt_id2obj(semaphore_id);
+  if (sem == NULL) return -1;
+
+  if (((P_SCB)sem)->cb_type != SCB) return -1;
+
+  res = rt_sem_wait(sem, rt_ms2tick(millisec)); // Wait for Semaphore
+
+  if (res == OS_R_TMO) return 0;                // Timeout
+
+  return (((P_SCB)sem)->tokens + 1);
+}
+
+/// Release a Semaphore
+osStatus svcSemaphoreRelease (osSemaphoreId semaphore_id) {
+  OS_ID sem;
+
+  sem = rt_id2obj(semaphore_id);
+  if (sem == NULL) return osErrorParameter;
+
+  if (((P_SCB)sem)->cb_type != SCB) return osErrorParameter;
+
+  if (((P_SCB)sem)->tokens == osFeature_Semaphore) return osErrorResource;
+  
+  rt_sem_send(sem);                             // Release Semaphore
+
+  return osOK;
+}
+
+/// Delete a Semaphore that was created by osSemaphoreCreate
+osStatus svcSemaphoreDelete (osSemaphoreId semaphore_id) {
+  OS_ID sem;
+
+  sem = rt_id2obj(semaphore_id);
+  if (sem == NULL) return osErrorParameter;
+
+  if (((P_SCB)sem)->cb_type != SCB) return osErrorParameter;
+
+  rt_sem_delete(sem);                           // Delete Semaphore
+
+  return osOK;
+}
+
+
+// Semaphore ISR Calls
+
+/// Release a Semaphore
+static __INLINE osStatus isrSemaphoreRelease (osSemaphoreId semaphore_id) {
+  OS_ID sem;
+
+  sem = rt_id2obj(semaphore_id);
+  if (sem == NULL) return osErrorParameter;
+
+  if (((P_SCB)sem)->cb_type != SCB) return osErrorParameter;
+
+  if (((P_SCB)sem)->tokens == osFeature_Semaphore) return osErrorResource;
+
+  isr_sem_send(sem);                            // Release Semaphore
+
+  return osOK;
+}
+
+
+// Semaphore Public API
+
+/// Create and Initialize a Semaphore object
+osSemaphoreId osSemaphoreCreate (osSemaphoreDef_t *semaphore_def, int32_t count) {
+  if (__get_IPSR() != 0) return NULL;           // Not allowed in ISR
+  if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
+    // Privileged and not running
+    return   svcSemaphoreCreate(semaphore_def, count);
+  } else {
+    return __svcSemaphoreCreate(semaphore_def, count);
+  }
+}
+
+/// Wait until a Semaphore becomes available
+int32_t osSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec) {
+  if (__get_IPSR() != 0) return -1;             // Not allowed in ISR
+  return __svcSemaphoreWait(semaphore_id, millisec);
+}
+
+/// Release a Semaphore
+osStatus osSemaphoreRelease (osSemaphoreId semaphore_id) {
+  if (__get_IPSR() != 0) {                      // in ISR
+    return   isrSemaphoreRelease(semaphore_id);
+  } else {                                      // in Thread
+    return __svcSemaphoreRelease(semaphore_id);
+  }
+}
+
+/// Delete a Semaphore that was created by osSemaphoreCreate
+osStatus osSemaphoreDelete (osSemaphoreId semaphore_id) {
+  if (__get_IPSR() != 0) return osErrorISR;     // Not allowed in ISR
+  return __svcSemaphoreDelete(semaphore_id);
+}
+
+
+// ==== Memory Management Functions ====
+
+// Memory Management Helper Functions
+
+// Clear Memory Box (Zero init)
+static void rt_clr_box (void *box_mem, void *box) {
+  uint32_t *p, n;
+
+  if (box) {
+    p = box;
+    for (n = ((P_BM)box_mem)->blk_size; n; n -= 4) {
+      *p++ = 0;
+    }
+  }
+}
+
+// Memory Management Service Calls declarations
+SVC_1_1(svcPoolCreate, osPoolId, const osPoolDef_t *,           RET_pointer)
+SVC_2_1(sysPoolAlloc,  void *,   osPoolId,      uint32_t, RET_pointer)
+SVC_2_1(sysPoolFree,   osStatus, osPoolId,      void *,   RET_osStatus)
+
+// Memory Management Service & ISR Calls
+
+/// Create and Initialize memory pool
+osPoolId svcPoolCreate (const osPoolDef_t *pool_def) {
+  uint32_t blk_sz;
+
+  if ((pool_def == NULL) ||
+      (pool_def->pool_sz == 0) ||
+      (pool_def->item_sz == 0) ||
+      (pool_def->pool == NULL)) {
+    sysThreadError(osErrorParameter);
+    return NULL;
+  }
+
+  blk_sz = (pool_def->item_sz + 3) & ~3;
+
+  _init_box(pool_def->pool, sizeof(struct OS_BM) + pool_def->pool_sz * blk_sz, blk_sz);
+
+  return pool_def->pool;
+}
+
+/// Allocate a memory block from a memory pool
+void *sysPoolAlloc (osPoolId pool_id, uint32_t clr) {
+  void *ptr;
+
+  if (pool_id == NULL) return NULL;
+
+  ptr = rt_alloc_box(pool_id);
+  if (clr) {
+    rt_clr_box(pool_id, ptr);
+  }
+
+  return ptr;
+}
+
+/// Return an allocated memory block back to a specific memory pool
+osStatus sysPoolFree (osPoolId pool_id, void *block) {
+  int32_t res;
+    
+  if (pool_id == NULL) return osErrorParameter;
+
+  res = rt_free_box(pool_id, block);
+  if (res != 0) return osErrorValue;
+
+  return osOK;
+}
+
+
+// Memory Management Public API
+
+/// Create and Initialize memory pool
+osPoolId osPoolCreate (osPoolDef_t *pool_def) {
+  if (__get_IPSR() != 0) return NULL;           // Not allowed in ISR
+  if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
+    // Privileged and not running
+    return   svcPoolCreate(pool_def);
+  } else {
+    return __svcPoolCreate(pool_def);
+  }
+}
+
+/// Allocate a memory block from a memory pool
+void *osPoolAlloc (osPoolId pool_id) {
+  if ((__get_IPSR() != 0) || ((__get_CONTROL() & 1) == 0)) {    // in ISR or Privileged
+    return   sysPoolAlloc(pool_id, 0);
+  } else {                                      // in Thread
+    return __sysPoolAlloc(pool_id, 0);
+  }
+}
+
+/// Allocate a memory block from a memory pool and set memory block to zero
+void *osPoolCAlloc (osPoolId pool_id) {
+  if ((__get_IPSR() != 0) || ((__get_CONTROL() & 1) == 0)) {    // in ISR or Privileged
+    return   sysPoolAlloc(pool_id, 1);
+  } else {                                      // in Thread
+    return __sysPoolAlloc(pool_id, 1);
+  }
+}
+
+/// Return an allocated memory block back to a specific memory pool
+osStatus osPoolFree (osPoolId pool_id, void *block) {
+  if ((__get_IPSR() != 0) || ((__get_CONTROL() & 1) == 0)) {    // in ISR or Privileged
+    return   sysPoolFree(pool_id, block);
+  } else {                                      // in Thread
+    return __sysPoolFree(pool_id, block);
+  }
+}
+
+
+// ==== Message Queue Management Functions ====
+
+// Message Queue Management Service Calls declarations
+SVC_2_1(svcMessageCreate,        osMessageQId,    osMessageQDef_t *, osThreadId,           RET_pointer)
+SVC_3_1(svcMessagePut,              osStatus,     osMessageQId,      uint32_t,   uint32_t, RET_osStatus)
+SVC_2_3(svcMessageGet,    os_InRegs osEvent,      osMessageQId,      uint32_t,             RET_osEvent)
+
+// Message Queue Service Calls
+
+/// Create and Initialize Message Queue
+osMessageQId svcMessageCreate (osMessageQDef_t *queue_def, osThreadId thread_id) {
+
+  if ((queue_def == NULL) ||
+      (queue_def->queue_sz == 0) ||
+      (queue_def->pool == NULL)) {
+    sysThreadError(osErrorParameter);
+    return NULL;
+  }
+  
+  if (((P_MCB)queue_def->pool)->cb_type != 0) {
+    sysThreadError(osErrorParameter);
+    return NULL;
+  }
+
+  rt_mbx_init(queue_def->pool, 4*(queue_def->queue_sz + 4));
+
+  return queue_def->pool;
+}
+
+/// Put a Message to a Queue
+osStatus svcMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
+  OS_RESULT res;
+
+  if (queue_id == NULL) return osErrorParameter;
+
+  if (((P_MCB)queue_id)->cb_type != MCB) return osErrorParameter;
+
+  res = rt_mbx_send(queue_id, (void *)info, rt_ms2tick(millisec));
+
+  if (res == OS_R_TMO) {
+    return (millisec ? osErrorTimeoutResource : osErrorResource);
+  }
+
+  return osOK;
+}
+
+/// Get a Message or Wait for a Message from a Queue
+os_InRegs osEvent_type svcMessageGet (osMessageQId queue_id, uint32_t millisec) {
+  OS_RESULT res;
+  osEvent   ret;
+
+  if (queue_id == NULL) {
+    ret.status = osErrorParameter;
+    return osEvent_ret_status;
+  }
+
+  if (((P_MCB)queue_id)->cb_type != MCB) {
+    ret.status = osErrorParameter;
+    return osEvent_ret_status;
+  }
+
+  res = rt_mbx_wait(queue_id, &ret.value.p, rt_ms2tick(millisec));
+  
+  if (res == OS_R_TMO) {
+    ret.status = millisec ? osEventTimeout : osOK;
+    return osEvent_ret_value;
+  }
+
+  ret.status = osEventMessage;
+
+  return osEvent_ret_value;
+}
+
+
+// Message Queue ISR Calls
+
+/// Put a Message to a Queue
+static __INLINE osStatus isrMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
+
+  if ((queue_id == NULL) || (millisec != 0)) {
+    return osErrorParameter;
+  }
+
+  if (((P_MCB)queue_id)->cb_type != MCB) return osErrorParameter;
+
+  if (rt_mbx_check(queue_id) == 0) {            // Check if Queue is full
+    return osErrorResource;
+  }
+
+  isr_mbx_send(queue_id, (void *)info);
+
+  return osOK;
+}
+
+/// Get a Message or Wait for a Message from a Queue
+static __INLINE os_InRegs osEvent isrMessageGet (osMessageQId queue_id, uint32_t millisec) {
+  OS_RESULT res;
+  osEvent   ret;
+
+  if ((queue_id == NULL) || (millisec != 0)) {
+    ret.status = osErrorParameter;
+    return ret;
+  }
+
+  if (((P_MCB)queue_id)->cb_type != MCB) {
+    ret.status = osErrorParameter;
+    return ret;
+  }
+
+  res = isr_mbx_receive(queue_id, &ret.value.p);
+  
+  if (res != OS_R_MBX) {
+    ret.status = osOK;
+    return ret;
+  }
+
+  ret.status = osEventMessage; 
+
+  return ret;
+}
+
+
+// Message Queue Management Public API
+
+/// Create and Initialize Message Queue
+osMessageQId osMessageCreate (osMessageQDef_t *queue_def, osThreadId thread_id) {
+  if (__get_IPSR() != 0) return NULL;           // Not allowed in ISR
+  if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
+    // Privileged and not running
+    return   svcMessageCreate(queue_def, thread_id);
+  } else {
+    return __svcMessageCreate(queue_def, thread_id);
+  }
+}
+
+/// Put a Message to a Queue
+osStatus osMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
+  if (__get_IPSR() != 0) {                      // in ISR
+    return   isrMessagePut(queue_id, info, millisec);
+  } else {                                      // in Thread
+    return __svcMessagePut(queue_id, info, millisec);
+  }
+}
+
+/// Get a Message or Wait for a Message from a Queue
+os_InRegs osEvent osMessageGet (osMessageQId queue_id, uint32_t millisec) {
+  if (__get_IPSR() != 0) {                      // in ISR
+    return   isrMessageGet(queue_id, millisec);
+  } else {                                      // in Thread
+    return __svcMessageGet(queue_id, millisec);
+  }
+}
+
+
+// ==== Mail Queue Management Functions ====
+
+// Mail Queue Management Service Calls declarations
+SVC_2_1(svcMailCreate, osMailQId, osMailQDef_t *, osThreadId,                   RET_pointer)
+SVC_4_1(sysMailAlloc,  void *,    osMailQId,      uint32_t, uint32_t, uint32_t, RET_pointer)
+SVC_3_1(sysMailFree,   osStatus,  osMailQId,      void *,   uint32_t,           RET_osStatus)
+
+// Mail Queue Management Service & ISR Calls
+
+/// Create and Initialize mail queue
+osMailQId svcMailCreate (osMailQDef_t *queue_def, osThreadId thread_id) {
+  uint32_t blk_sz;
+  P_MCB    pmcb;
+  void    *pool;
+
+  if ((queue_def == NULL) ||
+      (queue_def->queue_sz == 0) ||
+      (queue_def->item_sz  == 0) ||
+      (queue_def->pool == NULL)) {
+    sysThreadError(osErrorParameter);
+    return NULL;
+  }
+
+  pmcb = *(((void **)queue_def->pool) + 0);
+  pool = *(((void **)queue_def->pool) + 1);
+
+  if ((pool == NULL) || (pmcb == NULL) || (pmcb->cb_type != 0)) {
+    sysThreadError(osErrorParameter);
+    return NULL;
+  }
+
+  blk_sz = (queue_def->item_sz + 3) & ~3;
+
+  _init_box(pool, sizeof(struct OS_BM) + queue_def->queue_sz * blk_sz, blk_sz);
+
+  rt_mbx_init(pmcb, 4*(queue_def->queue_sz + 4));
+
+
+  return queue_def->pool;
+}
+
+/// Allocate a memory block from a mail
+void *sysMailAlloc (osMailQId queue_id, uint32_t millisec, uint32_t isr, uint32_t clr) {
+  P_MCB pmcb;
+  void *pool;
+  void *mem;
+
+  if (queue_id == NULL) return NULL;
+
+  pmcb = *(((void **)queue_id) + 0);
+  pool = *(((void **)queue_id) + 1);
+
+  if ((pool == NULL) || (pmcb == NULL)) return NULL;
+
+  if (isr && (millisec != 0)) return NULL;
+
+  mem = rt_alloc_box(pool);
+  if (clr) {
+    rt_clr_box(pool, mem);
+  }
+
+  if ((mem == NULL) && (millisec != 0)) {
+    // Put Task to sleep when Memory not available
+    if (pmcb->p_lnk != NULL) {
+      rt_put_prio((P_XCB)pmcb, os_tsk.run);
+    } else {
+      pmcb->p_lnk = os_tsk.run;
+      os_tsk.run->p_lnk = NULL;
+      os_tsk.run->p_rlnk = (P_TCB)pmcb;
+      // Task is waiting to allocate a message
+      pmcb->state = 3;
+    }
+    rt_block(rt_ms2tick(millisec), WAIT_MBX);
+  }
+
+  return mem;  
+}
+
+/// Free a memory block from a mail
+osStatus sysMailFree (osMailQId queue_id, void *mail, uint32_t isr) {
+  P_MCB   pmcb;
+  P_TCB   ptcb;
+  void   *pool;
+  void   *mem;
+  int32_t res;
+
+  if (queue_id == NULL) return osErrorParameter;
+
+  pmcb = *(((void **)queue_id) + 0);
+  pool = *(((void **)queue_id) + 1);
+
+  if ((pmcb == NULL) || (pool == NULL)) return osErrorParameter;
+
+  res = rt_free_box(pool, mail);
+
+  if (res != 0) return osErrorValue;
+
+  if (pmcb->state == 3) {
+    // Task is waiting to allocate a message
+    if (isr) {
+      rt_psq_enq (pmcb, (U32)pool);
+      rt_psh_req ();
+    } else {
+      mem = rt_alloc_box(pool);
+      if (mem != NULL) {
+        ptcb = rt_get_first((P_XCB)pmcb);
+        if (pmcb->p_lnk == NULL) {
+          pmcb->state = 0;
+        }
+        rt_ret_val(ptcb, (U32)mem);
+        rt_rmv_dly(ptcb);
+        rt_dispatch(ptcb);
+      }
+    }
+  }
+
+  return osOK;
+}
+
+
+// Mail Queue Management Public API
+
+/// Create and Initialize mail queue
+osMailQId osMailCreate (osMailQDef_t *queue_def, osThreadId thread_id) {
+  if (__get_IPSR() != 0) return NULL;           // Not allowed in ISR
+  if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
+    // Privileged and not running
+    return   svcMailCreate(queue_def, thread_id);
+  } else {
+    return __svcMailCreate(queue_def, thread_id);
+  }
+}
+
+/// Allocate a memory block from a mail
+void *osMailAlloc (osMailQId queue_id, uint32_t millisec) {
+  if (__get_IPSR() != 0) {                      // in ISR
+    return   sysMailAlloc(queue_id, millisec, 1, 0);
+  } else {                                      // in Thread
+    return __sysMailAlloc(queue_id, millisec, 0, 0);
+  }
+}
+
+/// Allocate a memory block from a mail and set memory block to zero
+void *osMailCAlloc (osMailQId queue_id, uint32_t millisec) {
+  if (__get_IPSR() != 0) {                      // in ISR
+    return   sysMailAlloc(queue_id, millisec, 1, 1);
+  } else {                                      // in Thread
+    return __sysMailAlloc(queue_id, millisec, 0, 1);
+  }
+}
+
+/// Free a memory block from a mail
+osStatus osMailFree (osMailQId queue_id, void *mail) {
+  if (__get_IPSR() != 0) {                      // in ISR
+    return   sysMailFree(queue_id, mail, 1);
+  } else {                                      // in Thread
+    return __sysMailFree(queue_id, mail, 0);
+  }
+}
+
+/// Put a mail to a queue
+osStatus osMailPut (osMailQId queue_id, void *mail) {
+  if (queue_id == NULL) return osErrorParameter;
+  if (mail == NULL)     return osErrorValue;
+  return osMessagePut(*((void **)queue_id), (uint32_t)mail, 0);
+}
+
+/// Get a mail from a queue
+os_InRegs osEvent osMailGet (osMailQId queue_id, uint32_t millisec) {
+  osEvent ret;
+
+  if (queue_id == NULL) {
+    ret.status = osErrorParameter;
+    return ret;
+  }
+
+  ret = osMessageGet(*((void **)queue_id), millisec);
+  if (ret.status == osEventMessage) ret.status = osEventMail;
+
+  return ret;
+}
diff --git a/libraries/rtos/rtx/rt_Event.c b/libraries/rtos/rtx/rt_Event.c
new file mode 100644
index 0000000000..13e46a9802
--- /dev/null
+++ b/libraries/rtos/rtx/rt_Event.c
@@ -0,0 +1,190 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_EVENT.C
+ *      Purpose: Implements waits and wake-ups for event flags
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_Event.h"
+#include "rt_List.h"
+#include "rt_Task.h"
+#include "rt_HAL_CM.h"
+
+
+/*----------------------------------------------------------------------------
+ *      Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_evt_wait -----------------------------------*/
+
+OS_RESULT rt_evt_wait (U16 wait_flags, U16 timeout, BOOL and_wait) {
+  /* Wait for one or more event flags with optional time-out.                */
+  /* "wait_flags" identifies the flags to wait for.                          */
+  /* "timeout" is the time-out limit in system ticks (0xffff if no time-out) */
+  /* "and_wait" specifies the AND-ing of "wait_flags" as condition to be met */
+  /* to complete the wait. (OR-ing if set to 0).                             */
+  U32 block_state;
+
+  if (and_wait) {
+    /* Check for AND-connected events */
+    if ((os_tsk.run->events & wait_flags) == wait_flags) {
+      os_tsk.run->events &= ~wait_flags;
+      return (OS_R_EVT);
+    }
+    block_state = WAIT_AND;
+  }
+  else {
+    /* Check for OR-connected events */
+    if (os_tsk.run->events & wait_flags) {
+      os_tsk.run->waits = os_tsk.run->events & wait_flags;
+      os_tsk.run->events &= ~wait_flags;
+      return (OS_R_EVT);
+    }
+    block_state = WAIT_OR;
+  }
+  /* Task has to wait */
+  os_tsk.run->waits = wait_flags;
+  rt_block (timeout, (U8)block_state);
+  return (OS_R_TMO);
+}
+
+
+/*--------------------------- rt_evt_set ------------------------------------*/
+
+void rt_evt_set (U16 event_flags, OS_TID task_id) {
+  /* Set one or more event flags of a selectable task. */
+  P_TCB p_tcb;
+
+  p_tcb = os_active_TCB[task_id-1];
+  if (p_tcb == NULL) {
+    return;
+  }
+  p_tcb->events |= event_flags;
+  event_flags    = p_tcb->waits;
+  /* If the task is not waiting for an event, it should not be put */
+  /* to ready state. */
+  if (p_tcb->state == WAIT_AND) {
+    /* Check for AND-connected events */
+    if ((p_tcb->events & event_flags) == event_flags) {
+      goto wkup;
+    }
+  }
+  if (p_tcb->state == WAIT_OR) {
+    /* Check for OR-connected events */
+    if (p_tcb->events & event_flags) {
+      p_tcb->waits  &= p_tcb->events;
+wkup: p_tcb->events &= ~event_flags;
+      rt_rmv_dly (p_tcb);
+      p_tcb->state   = READY;
+#ifdef __CMSIS_RTOS
+      rt_ret_val2(p_tcb, 0x08/*osEventSignal*/, p_tcb->waits); 
+#else
+      rt_ret_val (p_tcb, OS_R_EVT);
+#endif
+      rt_dispatch (p_tcb);
+    }
+  }
+}
+
+
+/*--------------------------- rt_evt_clr ------------------------------------*/
+
+void rt_evt_clr (U16 clear_flags, OS_TID task_id) {
+  /* Clear one or more event flags (identified by "clear_flags") of a */
+  /* selectable task (identified by "task"). */
+  P_TCB task = os_active_TCB[task_id-1];
+
+  if (task == NULL) {
+    return;
+  }
+  task->events &= ~clear_flags;
+}
+
+
+/*--------------------------- isr_evt_set -----------------------------------*/
+
+void isr_evt_set (U16 event_flags, OS_TID task_id) {
+  /* Same function as "os_evt_set", but to be called by ISRs. */
+  P_TCB p_tcb = os_active_TCB[task_id-1];
+
+  if (p_tcb == NULL) {
+    return;
+  }
+  rt_psq_enq (p_tcb, event_flags);
+  rt_psh_req ();
+}
+
+
+/*--------------------------- rt_evt_get ------------------------------------*/
+
+U16 rt_evt_get (void) {
+  /* Get events of a running task after waiting for OR connected events. */
+  return (os_tsk.run->waits);
+}
+
+
+/*--------------------------- rt_evt_psh ------------------------------------*/
+
+void rt_evt_psh (P_TCB p_CB, U16 set_flags) {
+  /* Check if task has to be waken up */
+  U16 event_flags;
+
+  p_CB->events |= set_flags;
+  event_flags = p_CB->waits;
+  if (p_CB->state == WAIT_AND) {
+    /* Check for AND-connected events */
+    if ((p_CB->events & event_flags) == event_flags) {
+      goto rdy;
+    }
+  }
+  if (p_CB->state == WAIT_OR) {
+    /* Check for OR-connected events */
+    if (p_CB->events & event_flags) {
+      p_CB->waits  &= p_CB->events;
+rdy:  p_CB->events &= ~event_flags;
+      rt_rmv_dly (p_CB);
+      p_CB->state   = READY;
+#ifdef __CMSIS_RTOS
+      rt_ret_val2(p_CB, 0x08/*osEventSignal*/, p_CB->waits); 
+#else
+      rt_ret_val (p_CB, OS_R_EVT);
+#endif
+      rt_put_prio (&os_rdy, p_CB);
+    }
+  }
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff --git a/libraries/rtos/rtx/rt_Event.h b/libraries/rtos/rtx/rt_Event.h
new file mode 100644
index 0000000000..7081f370c3
--- /dev/null
+++ b/libraries/rtos/rtx/rt_Event.h
@@ -0,0 +1,46 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_EVENT.H
+ *      Purpose: Implements waits and wake-ups for event flags
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Functions */
+extern OS_RESULT rt_evt_wait (U16 wait_flags,  U16 timeout, BOOL and_wait);
+extern void      rt_evt_set  (U16 event_flags, OS_TID task_id);
+extern void      rt_evt_clr  (U16 clear_flags, OS_TID task_id);
+extern void      isr_evt_set (U16 event_flags, OS_TID task_id);
+extern U16       rt_evt_get  (void);
+extern void      rt_evt_psh  (P_TCB p_CB, U16 set_flags);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_HAL_CM.h b/libraries/rtos/rtx/rt_HAL_CM.h
new file mode 100644
index 0000000000..800d1a1a21
--- /dev/null
+++ b/libraries/rtos/rtx/rt_HAL_CM.h
@@ -0,0 +1,276 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_HAL_CM.H
+ *      Purpose: Hardware Abstraction Layer for Cortex-M definitions
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Definitions */
+#define INITIAL_xPSR    0x01000000
+#define DEMCR_TRCENA    0x01000000
+#define ITM_ITMENA      0x00000001
+#define MAGIC_WORD      0xE25A2EA5
+
+#if defined (__CC_ARM)          /* ARM Compiler */
+
+#if ((__TARGET_ARCH_7_M || __TARGET_ARCH_7E_M) && !NO_EXCLUSIVE_ACCESS)
+ #define __USE_EXCLUSIVE_ACCESS
+#else
+ #undef  __USE_EXCLUSIVE_ACCESS
+#endif
+
+#elif defined (__GNUC__)        /* GNU Compiler */
+
+#undef  __USE_EXCLUSIVE_ACCESS
+
+#if defined (__CORTEX_M0)
+#define __TARGET_ARCH_6S_M 1
+#else
+#define __TARGET_ARCH_6S_M 0
+#endif
+
+#if defined (__VFP_FP__) && !defined(__SOFTFP__)
+#define __TARGET_FPU_VFP 1
+#else
+#define __TARGET_FPU_VFP 0
+#endif
+
+#define __inline inline
+#define __weak   __attribute__((weak))
+
+#ifndef __CMSIS_GENERIC
+
+__attribute__((always_inline)) static inline void __enable_irq(void)
+{
+  __asm volatile ("cpsie i");
+}
+
+__attribute__((always_inline)) static inline U32 __disable_irq(void)
+{
+  U32 result;
+
+  __asm volatile ("mrs %0, primask" : "=r" (result));
+  __asm volatile ("cpsid i");
+  return(result & 1);
+}
+
+#endif
+
+__attribute__(( always_inline)) static inline U8 __clz(U32 value)
+{
+  U8 result;
+  
+  __asm volatile ("clz %0, %1" : "=r" (result) : "r" (value));
+  return(result);
+}
+
+#elif defined (__ICCARM__)      /* IAR Compiler */
+
+#undef  __USE_EXCLUSIVE_ACCESS
+
+#if (__CORE__ == __ARM6M__)
+#define __TARGET_ARCH_6S_M 1
+#else
+#define __TARGET_ARCH_6S_M 0
+#endif
+
+#if defined __ARMVFP__
+#define __TARGET_FPU_VFP 1
+#else
+#define __TARGET_FPU_VFP 0
+#endif
+
+#define __inline inline
+
+#ifndef __CMSIS_GENERIC
+
+static inline void __enable_irq(void)
+{
+  __asm volatile ("cpsie i");
+}
+
+static inline U32 __disable_irq(void)
+{
+  U32 result;
+  
+  __asm volatile ("mrs %0, primask" : "=r" (result));
+  __asm volatile ("cpsid i");
+  return(result & 1);
+}
+
+#endif
+
+static inline U8 __clz(U32 value)
+{
+  U8 result;
+  
+  __asm volatile ("clz %0, %1" : "=r" (result) : "r" (value));
+  return(result);
+}
+
+#endif
+
+/* NVIC registers */
+#define NVIC_ST_CTRL    (*((volatile U32 *)0xE000E010))
+#define NVIC_ST_RELOAD  (*((volatile U32 *)0xE000E014))
+#define NVIC_ST_CURRENT (*((volatile U32 *)0xE000E018))
+#define NVIC_ISER         ((volatile U32 *)0xE000E100)
+#define NVIC_ICER         ((volatile U32 *)0xE000E180)
+#if (__TARGET_ARCH_6S_M)
+#define NVIC_IP           ((volatile U32 *)0xE000E400)
+#else
+#define NVIC_IP           ((volatile U8  *)0xE000E400)
+#endif
+#define NVIC_INT_CTRL   (*((volatile U32 *)0xE000ED04))
+#define NVIC_AIR_CTRL   (*((volatile U32 *)0xE000ED0C))
+#define NVIC_SYS_PRI2   (*((volatile U32 *)0xE000ED1C))
+#define NVIC_SYS_PRI3   (*((volatile U32 *)0xE000ED20))
+
+#define OS_PEND_IRQ()   NVIC_INT_CTRL  = (1<<28)
+#define OS_PENDING      ((NVIC_INT_CTRL >> 26) & (1<<2 | 1))
+#define OS_UNPEND(fl)   NVIC_INT_CTRL  = (*fl = OS_PENDING) << 25
+#define OS_PEND(fl,p)   NVIC_INT_CTRL  = (fl | p<<2) << 26
+#define OS_LOCK()       NVIC_ST_CTRL   =  0x0005
+#define OS_UNLOCK()     NVIC_ST_CTRL   =  0x0007
+
+#define OS_X_PENDING    ((NVIC_INT_CTRL >> 28) & 1)
+#define OS_X_UNPEND(fl) NVIC_INT_CTRL  = (*fl = OS_X_PENDING) << 27
+#define OS_X_PEND(fl,p) NVIC_INT_CTRL  = (fl | p) << 28
+#if (__TARGET_ARCH_6S_M)
+#define OS_X_INIT(n)    NVIC_IP[n>>2] |= 0xFF << (8*(n & 0x03)); \
+                        NVIC_ISER[n>>5] = 1 << (n & 0x1F)
+#else
+#define OS_X_INIT(n)    NVIC_IP[n] = 0xFF; \
+                        NVIC_ISER[n>>5] = 1 << (n & 0x1F)
+#endif
+#define OS_X_LOCK(n)    NVIC_ICER[n>>5] = 1 << (n & 0x1F)
+#define OS_X_UNLOCK(n)  NVIC_ISER[n>>5] = 1 << (n & 0x1F)
+
+/* Core Debug registers */
+#define DEMCR           (*((volatile U32 *)0xE000EDFC))
+
+/* ITM registers */
+#define ITM_CONTROL     (*((volatile U32 *)0xE0000E80))
+#define ITM_ENABLE      (*((volatile U32 *)0xE0000E00))
+#define ITM_PORT30_U32  (*((volatile U32 *)0xE0000078))
+#define ITM_PORT31_U32  (*((volatile U32 *)0xE000007C))
+#define ITM_PORT31_U16  (*((volatile U16 *)0xE000007C))
+#define ITM_PORT31_U8   (*((volatile U8  *)0xE000007C))
+
+/* Variables */
+extern BIT dbg_msg;
+
+/* Functions */
+#ifdef __USE_EXCLUSIVE_ACCESS
+ #define rt_inc(p)     while(__strex((__ldrex(p)+1),p))
+ #define rt_dec(p)     while(__strex((__ldrex(p)-1),p))
+#else
+ #define rt_inc(p)     __disable_irq();(*p)++;__enable_irq();
+ #define rt_dec(p)     __disable_irq();(*p)--;__enable_irq();
+#endif
+
+__inline static U32 rt_inc_qi (U32 size, U8 *count, U8 *first) {
+  U32 cnt,c2;
+#ifdef __USE_EXCLUSIVE_ACCESS
+  do {
+    if ((cnt = __ldrex(count)) == size) {
+      __clrex();
+      return (cnt); }
+  } while (__strex(cnt+1, count));
+  do {
+    c2 = (cnt = __ldrex(first)) + 1;
+    if (c2 == size) c2 = 0;
+  } while (__strex(c2, first));
+#else
+  __disable_irq();
+  if ((cnt = *count) < size) {
+    *count = cnt+1;
+    c2 = (cnt = *first) + 1;
+    if (c2 == size) c2 = 0;
+    *first = c2; 
+  }
+  __enable_irq ();
+#endif
+  return (cnt);
+}
+
+__inline static void rt_systick_init (void) {
+  NVIC_ST_RELOAD  = os_trv;
+  NVIC_ST_CURRENT = 0;
+  NVIC_ST_CTRL    = 0x0007;
+  NVIC_SYS_PRI3  |= 0xFF000000;
+}
+
+__inline static void rt_svc_init (void) {
+#if !(__TARGET_ARCH_6S_M)
+  int sh,prigroup;
+#endif
+  NVIC_SYS_PRI3 |= 0x00FF0000;
+#if (__TARGET_ARCH_6S_M)
+  NVIC_SYS_PRI2 |= (NVIC_SYS_PRI3<<(8+1)) & 0xFC000000;
+#else
+  sh       = 8 - __clz (~((NVIC_SYS_PRI3 << 8) & 0xFF000000));
+  prigroup = ((NVIC_AIR_CTRL >> 8) & 0x07);
+  if (prigroup >= sh) {
+    sh = prigroup + 1;
+  }
+  NVIC_SYS_PRI2 = ((0xFEFFFFFF << sh) & 0xFF000000) | (NVIC_SYS_PRI2 & 0x00FFFFFF);
+#endif
+}
+
+extern void rt_set_PSP (U32 stack);
+extern U32  rt_get_PSP (void);
+extern void os_set_env (void);
+extern void *_alloc_box (void *box_mem);
+extern int  _free_box (void *box_mem, void *box);
+
+extern void rt_init_stack (P_TCB p_TCB, FUNCP task_body);
+extern void rt_ret_val  (P_TCB p_TCB, U32 v0);
+extern void rt_ret_val2 (P_TCB p_TCB, U32 v0, U32 v1);
+
+extern void dbg_init (void);
+extern void dbg_task_notify (P_TCB p_tcb, BOOL create);
+extern void dbg_task_switch (U32 task_id);
+
+#ifdef DBG_MSG
+#define DBG_INIT() dbg_init()
+#define DBG_TASK_NOTIFY(p_tcb,create) if (dbg_msg) dbg_task_notify(p_tcb,create)
+#define DBG_TASK_SWITCH(task_id)      if (dbg_msg && (os_tsk.new_tsk != os_tsk.run)) \
+                                                   dbg_task_switch(task_id)
+#else
+#define DBG_INIT()
+#define DBG_TASK_NOTIFY(p_tcb,create)
+#define DBG_TASK_SWITCH(task_id)
+#endif
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_List.c b/libraries/rtos/rtx/rt_List.c
new file mode 100644
index 0000000000..56c53b0399
--- /dev/null
+++ b/libraries/rtos/rtx/rt_List.c
@@ -0,0 +1,320 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_LIST.C
+ *      Purpose: Functions for the management of different lists
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_List.h"
+#include "rt_Task.h"
+#include "rt_Time.h"
+#include "rt_HAL_CM.h"
+
+/*----------------------------------------------------------------------------
+ *      Global Variables
+ *---------------------------------------------------------------------------*/
+
+/* List head of chained ready tasks */
+struct OS_XCB  os_rdy;
+/* List head of chained delay tasks */
+struct OS_XCB  os_dly;
+
+
+/*----------------------------------------------------------------------------
+ *      Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_put_prio -----------------------------------*/
+
+void rt_put_prio (P_XCB p_CB, P_TCB p_task) {
+  /* Put task identified with "p_task" into list ordered by priority.       */
+  /* "p_CB" points to head of list; list has always an element at end with  */
+  /* a priority less than "p_task->prio".                                   */
+  P_TCB p_CB2;
+  U32 prio;
+  BOOL sem_mbx = __FALSE;
+
+  if (p_CB->cb_type == SCB || p_CB->cb_type == MCB || p_CB->cb_type == MUCB) {
+    sem_mbx = __TRUE;
+  }
+  prio = p_task->prio;
+  p_CB2 = p_CB->p_lnk;
+  /* Search for an entry in the list */
+  while (p_CB2 != NULL && prio <= p_CB2->prio) {
+    p_CB = (P_XCB)p_CB2;
+    p_CB2 = p_CB2->p_lnk;
+  }
+  /* Entry found, insert the task into the list */
+  p_task->p_lnk = p_CB2;
+  p_CB->p_lnk = p_task;
+  if (sem_mbx) {
+    if (p_CB2 != NULL) {
+      p_CB2->p_rlnk = p_task;
+    }
+    p_task->p_rlnk = (P_TCB)p_CB;
+  }
+  else {
+    p_task->p_rlnk = NULL;
+  }
+}
+
+
+/*--------------------------- rt_get_first ----------------------------------*/
+
+P_TCB rt_get_first (P_XCB p_CB) {
+  /* Get task at head of list: it is the task with highest priority. */
+  /* "p_CB" points to head of list. */
+  P_TCB p_first;
+
+  p_first = p_CB->p_lnk;
+  p_CB->p_lnk = p_first->p_lnk;
+  if (p_CB->cb_type == SCB || p_CB->cb_type == MCB || p_CB->cb_type == MUCB) {
+    if (p_first->p_lnk != NULL) {
+      p_first->p_lnk->p_rlnk = (P_TCB)p_CB;
+      p_first->p_lnk = NULL;
+    }
+    p_first->p_rlnk = NULL;
+  }
+  else {
+    p_first->p_lnk = NULL;
+  }
+  return (p_first);
+}
+
+
+/*--------------------------- rt_put_rdy_first ------------------------------*/
+
+void rt_put_rdy_first (P_TCB p_task) {
+  /* Put task identified with "p_task" at the head of the ready list. The   */
+  /* task must have at least a priority equal to highest priority in list.  */
+  p_task->p_lnk = os_rdy.p_lnk;
+  p_task->p_rlnk = NULL;
+  os_rdy.p_lnk = p_task;
+}
+
+
+/*--------------------------- rt_get_same_rdy_prio --------------------------*/
+
+P_TCB rt_get_same_rdy_prio (void) {
+  /* Remove a task of same priority from ready list if any exists. Other-   */
+  /* wise return NULL.                                                      */
+  P_TCB p_first;
+
+  p_first = os_rdy.p_lnk;
+  if (p_first->prio == os_tsk.run->prio) {
+    os_rdy.p_lnk = os_rdy.p_lnk->p_lnk;
+    return (p_first);
+  }
+  return (NULL);
+}
+
+
+/*--------------------------- rt_resort_prio --------------------------------*/
+
+void rt_resort_prio (P_TCB p_task) {
+  /* Re-sort ordered lists after the priority of 'p_task' has changed.      */
+  P_TCB p_CB;
+
+  if (p_task->p_rlnk == NULL) {
+    if (p_task->state == READY) {
+      /* Task is chained into READY list. */
+      p_CB = (P_TCB)&os_rdy;
+      goto res;
+    }
+  }
+  else {
+    p_CB = p_task->p_rlnk;
+    while (p_CB->cb_type == TCB) {
+      /* Find a header of this task chain list. */
+      p_CB = p_CB->p_rlnk;
+    }
+res:rt_rmv_list (p_task);
+    rt_put_prio ((P_XCB)p_CB, p_task);
+  }
+}
+
+
+/*--------------------------- rt_put_dly ------------------------------------*/
+
+void rt_put_dly (P_TCB p_task, U16 delay) {
+  /* Put a task identified with "p_task" into chained delay wait list using */
+  /* a delay value of "delay".                                              */
+  P_TCB p;
+  U32 delta,idelay = delay;
+
+  p = (P_TCB)&os_dly;
+  if (p->p_dlnk == NULL) {
+    /* Delay list empty */
+    delta = 0;
+    goto last;
+  }
+  delta = os_dly.delta_time;
+  while (delta < idelay) {
+    if (p->p_dlnk == NULL) {
+      /* End of list found */
+last: p_task->p_dlnk = NULL;
+      p->p_dlnk = p_task;
+      p_task->p_blnk = p;
+      p->delta_time = (U16)(idelay - delta);
+      p_task->delta_time = 0;
+      return;
+    }
+    p = p->p_dlnk;
+    delta += p->delta_time;
+  }
+  /* Right place found */
+  p_task->p_dlnk = p->p_dlnk;
+  p->p_dlnk = p_task;
+  p_task->p_blnk = p;
+  if (p_task->p_dlnk != NULL) {
+    p_task->p_dlnk->p_blnk = p_task;
+  }
+  p_task->delta_time = (U16)(delta - idelay);
+  p->delta_time -= p_task->delta_time;
+}
+
+
+/*--------------------------- rt_dec_dly ------------------------------------*/
+
+void rt_dec_dly (void) {
+  /* Decrement delta time of list head: remove tasks having a value of zero.*/
+  P_TCB p_rdy;
+
+  if (os_dly.p_dlnk == NULL) {
+    return;
+  }
+  os_dly.delta_time--;
+  while ((os_dly.delta_time == 0) && (os_dly.p_dlnk != NULL)) {
+    p_rdy = os_dly.p_dlnk;
+    if (p_rdy->p_rlnk != NULL) {
+      /* Task is really enqueued, remove task from semaphore/mailbox */
+      /* timeout waiting list. */
+      p_rdy->p_rlnk->p_lnk = p_rdy->p_lnk;
+      if (p_rdy->p_lnk != NULL) {
+        p_rdy->p_lnk->p_rlnk = p_rdy->p_rlnk;
+        p_rdy->p_lnk = NULL;
+      }
+      p_rdy->p_rlnk = NULL;
+    }
+    rt_put_prio (&os_rdy, p_rdy);
+    os_dly.delta_time = p_rdy->delta_time;
+    if (p_rdy->state == WAIT_ITV) {
+      /* Calculate the next time for interval wait. */
+      p_rdy->delta_time = p_rdy->interval_time + (U16)os_time;
+    }
+    p_rdy->state   = READY;
+    os_dly.p_dlnk = p_rdy->p_dlnk;
+    if (p_rdy->p_dlnk != NULL) {
+      p_rdy->p_dlnk->p_blnk =  (P_TCB)&os_dly;
+      p_rdy->p_dlnk = NULL;
+    }
+    p_rdy->p_blnk = NULL;
+  }
+}
+
+
+/*--------------------------- rt_rmv_list -----------------------------------*/
+
+void rt_rmv_list (P_TCB p_task) {
+  /* Remove task identified with "p_task" from ready, semaphore or mailbox  */
+  /* waiting list if enqueued.                                              */
+  P_TCB p_b;
+
+  if (p_task->p_rlnk != NULL) {
+    /* A task is enqueued in semaphore / mailbox waiting list. */
+    p_task->p_rlnk->p_lnk = p_task->p_lnk;
+    if (p_task->p_lnk != NULL) {
+      p_task->p_lnk->p_rlnk = p_task->p_rlnk;
+    }
+    return;
+  }
+
+  p_b = (P_TCB)&os_rdy;
+  while (p_b != NULL) {
+    /* Search the ready list for task "p_task" */
+    if (p_b->p_lnk == p_task) {
+      p_b->p_lnk = p_task->p_lnk;
+      return;
+    }
+    p_b = p_b->p_lnk;
+  }
+}
+
+
+/*--------------------------- rt_rmv_dly ------------------------------------*/
+
+void rt_rmv_dly (P_TCB p_task) {
+  /* Remove task identified with "p_task" from delay list if enqueued.      */
+  P_TCB p_b;
+
+  p_b = p_task->p_blnk;
+  if (p_b != NULL) {
+    /* Task is really enqueued */
+    p_b->p_dlnk = p_task->p_dlnk;
+    if (p_task->p_dlnk != NULL) {
+      /* 'p_task' is in the middle of list */
+      p_b->delta_time += p_task->delta_time;
+      p_task->p_dlnk->p_blnk = p_b;
+      p_task->p_dlnk = NULL;
+    }
+    else {
+      /* 'p_task' is at the end of list */
+      p_b->delta_time = 0;
+    }
+    p_task->p_blnk = NULL;
+  }
+}
+
+
+/*--------------------------- rt_psq_enq ------------------------------------*/
+
+void rt_psq_enq (OS_ID entry, U32 arg) {
+  /* Insert post service request "entry" into ps-queue. */
+  U32 idx;
+
+  idx = rt_inc_qi (os_psq->size, &os_psq->count, &os_psq->first);
+  if (idx < os_psq->size) {
+    os_psq->q[idx].id  = entry;
+    os_psq->q[idx].arg = arg;
+  }
+  else {
+    os_error (OS_ERR_FIFO_OVF);
+  }
+}
+
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_List.h b/libraries/rtos/rtx/rt_List.h
new file mode 100644
index 0000000000..c9cfe295ad
--- /dev/null
+++ b/libraries/rtos/rtx/rt_List.h
@@ -0,0 +1,67 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_LIST.H
+ *      Purpose: Functions for the management of different lists
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Definitions */
+
+/* Values for 'cb_type' */
+#define TCB             0
+#define MCB             1
+#define SCB             2
+#define MUCB            3
+#define HCB             4
+
+/* Variables */
+extern struct OS_XCB os_rdy;
+extern struct OS_XCB os_dly;
+
+/* Functions */
+extern void  rt_put_prio      (P_XCB p_CB, P_TCB p_task);
+extern P_TCB rt_get_first     (P_XCB p_CB);
+extern void  rt_put_rdy_first (P_TCB p_task);
+extern P_TCB rt_get_same_rdy_prio (void);
+extern void  rt_resort_prio   (P_TCB p_task);
+extern void  rt_put_dly       (P_TCB p_task, U16 delay);
+extern void  rt_dec_dly       (void);
+extern void  rt_rmv_list      (P_TCB p_task);
+extern void  rt_rmv_dly       (P_TCB p_task);
+extern void  rt_psq_enq       (OS_ID entry, U32 arg);
+
+/* This is a fast macro generating in-line code */
+#define rt_rdy_prio(void) (os_rdy.p_lnk->prio)
+
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_Mailbox.c b/libraries/rtos/rtx/rt_Mailbox.c
new file mode 100644
index 0000000000..1cb9a9d133
--- /dev/null
+++ b/libraries/rtos/rtx/rt_Mailbox.c
@@ -0,0 +1,292 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_MAILBOX.C
+ *      Purpose: Implements waits and wake-ups for mailbox messages
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_List.h"
+#include "rt_Mailbox.h"
+#include "rt_MemBox.h"
+#include "rt_Task.h"
+#include "rt_HAL_CM.h"
+
+
+/*----------------------------------------------------------------------------
+ *      Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_mbx_init -----------------------------------*/
+
+void rt_mbx_init (OS_ID mailbox, U16 mbx_size) {
+  /* Initialize a mailbox */
+  P_MCB p_MCB = mailbox;
+
+  p_MCB->cb_type = MCB;
+  p_MCB->state   = 0;
+  p_MCB->isr_st  = 0;
+  p_MCB->p_lnk   = NULL;
+  p_MCB->first   = 0;
+  p_MCB->last    = 0;
+  p_MCB->count   = 0;
+  p_MCB->size    = (mbx_size + sizeof(void *) - sizeof(struct OS_MCB)) /
+                                                     (U32)sizeof (void *);
+}
+
+
+/*--------------------------- rt_mbx_send -----------------------------------*/
+
+OS_RESULT rt_mbx_send (OS_ID mailbox, void *p_msg, U16 timeout) {
+  /* Send message to a mailbox */
+  P_MCB p_MCB = mailbox;
+  P_TCB p_TCB;
+
+  if ((p_MCB->p_lnk != NULL) && (p_MCB->state == 1)) {
+    /* A task is waiting for message */
+    p_TCB = rt_get_first ((P_XCB)p_MCB);
+#ifdef __CMSIS_RTOS
+    rt_ret_val2(p_TCB, 0x10/*osEventMessage*/, (U32)p_msg);
+#else
+    *p_TCB->msg = p_msg;
+    rt_ret_val (p_TCB, OS_R_MBX);
+#endif
+    rt_rmv_dly (p_TCB);
+    rt_dispatch (p_TCB);
+  }
+  else {
+    /* Store message in mailbox queue */
+    if (p_MCB->count == p_MCB->size) {
+      /* No free message entry, wait for one. If message queue is full, */
+      /* then no task is waiting for message. The 'p_MCB->p_lnk' list   */
+      /* pointer can now be reused for send message waits task list.    */
+      if (timeout == 0) {
+        return (OS_R_TMO);
+      }
+      if (p_MCB->p_lnk != NULL) {
+        rt_put_prio ((P_XCB)p_MCB, os_tsk.run);
+      }
+      else {
+        p_MCB->p_lnk = os_tsk.run;
+        os_tsk.run->p_lnk  = NULL;
+        os_tsk.run->p_rlnk = (P_TCB)p_MCB;
+        /* Task is waiting to send a message */      
+        p_MCB->state = 2;
+      }
+      os_tsk.run->msg = p_msg;
+      rt_block (timeout, WAIT_MBX);
+      return (OS_R_TMO);
+    }
+    /* Yes, there is a free entry in a mailbox. */
+    p_MCB->msg[p_MCB->first] = p_msg;
+    rt_inc (&p_MCB->count);
+    if (++p_MCB->first == p_MCB->size) {
+      p_MCB->first = 0;
+    }
+  }
+  return (OS_R_OK);
+}
+
+
+/*--------------------------- rt_mbx_wait -----------------------------------*/
+
+OS_RESULT rt_mbx_wait (OS_ID mailbox, void **message, U16 timeout) {
+  /* Receive a message; possibly wait for it */
+  P_MCB p_MCB = mailbox;
+  P_TCB p_TCB;
+
+  /* If a message is available in the fifo buffer */
+  /* remove it from the fifo buffer and return. */
+  if (p_MCB->count) {
+    *message = p_MCB->msg[p_MCB->last];
+    if (++p_MCB->last == p_MCB->size) {
+      p_MCB->last = 0;
+    }
+    if ((p_MCB->p_lnk != NULL) && (p_MCB->state == 2)) {
+      /* A task is waiting to send message */
+      p_TCB = rt_get_first ((P_XCB)p_MCB);
+#ifdef __CMSIS_RTOS
+      rt_ret_val(p_TCB, 0/*osOK*/);
+#else
+      rt_ret_val(p_TCB, OS_R_OK);
+#endif
+      p_MCB->msg[p_MCB->first] = p_TCB->msg;
+      if (++p_MCB->first == p_MCB->size) {
+        p_MCB->first = 0;
+      }
+      rt_rmv_dly (p_TCB);
+      rt_dispatch (p_TCB);
+    }
+    else {
+      rt_dec (&p_MCB->count);
+    }
+    return (OS_R_OK);
+  }
+  /* No message available: wait for one */
+  if (timeout == 0) {
+    return (OS_R_TMO);
+  }
+  if (p_MCB->p_lnk != NULL) {
+    rt_put_prio ((P_XCB)p_MCB, os_tsk.run);
+  }
+  else {
+    p_MCB->p_lnk = os_tsk.run;
+    os_tsk.run->p_lnk = NULL;
+    os_tsk.run->p_rlnk = (P_TCB)p_MCB;
+    /* Task is waiting to receive a message */      
+    p_MCB->state = 1;
+  }
+  rt_block(timeout, WAIT_MBX);
+#ifndef __CMSIS_RTOS
+  os_tsk.run->msg = message;
+#endif
+  return (OS_R_TMO);
+}
+
+
+/*--------------------------- rt_mbx_check ----------------------------------*/
+
+OS_RESULT rt_mbx_check (OS_ID mailbox) {
+  /* Check for free space in a mailbox. Returns the number of messages     */
+  /* that can be stored to a mailbox. It returns 0 when mailbox is full.   */
+  P_MCB p_MCB = mailbox;
+
+  return (p_MCB->size - p_MCB->count);
+}
+
+
+/*--------------------------- isr_mbx_send ----------------------------------*/
+
+void isr_mbx_send (OS_ID mailbox, void *p_msg) {
+  /* Same function as "os_mbx_send", but to be called by ISRs. */
+  P_MCB p_MCB = mailbox;
+
+  rt_psq_enq (p_MCB, (U32)p_msg);
+  rt_psh_req ();
+}
+
+
+/*--------------------------- isr_mbx_receive -------------------------------*/
+
+OS_RESULT isr_mbx_receive (OS_ID mailbox, void **message) {
+  /* Receive a message in the interrupt function. The interrupt function   */
+  /* should not wait for a message since this would block the rtx os.      */
+  P_MCB p_MCB = mailbox;
+
+  if (p_MCB->count) {
+    /* A message is available in the fifo buffer. */
+    *message = p_MCB->msg[p_MCB->last];
+    if (p_MCB->state == 2) {
+      /* A task is locked waiting to send message */
+      rt_psq_enq (p_MCB, 0);
+      rt_psh_req ();
+    }
+    rt_dec (&p_MCB->count);
+    if (++p_MCB->last == p_MCB->size) {
+      p_MCB->last = 0;
+    }
+    return (OS_R_MBX);
+  }
+  return (OS_R_OK);
+}
+
+
+/*--------------------------- rt_mbx_psh ------------------------------------*/
+
+void rt_mbx_psh (P_MCB p_CB, void *p_msg) {
+  /* Store the message to the mailbox queue or pass it to task directly. */
+  P_TCB p_TCB;
+  void *mem;
+
+  if (p_CB->p_lnk != NULL) switch (p_CB->state) {
+#ifdef __CMSIS_RTOS
+    case 3:
+      /* Task is waiting to allocate memory, remove it from the waiting list */
+      mem = rt_alloc_box(p_msg);
+      if (mem == NULL) break;
+      p_TCB = rt_get_first ((P_XCB)p_CB);
+      rt_ret_val(p_TCB, (U32)mem);
+      p_TCB->state = READY;
+      rt_rmv_dly (p_TCB);
+      rt_put_prio (&os_rdy, p_TCB);
+      break;
+#endif
+    case 2:
+      /* Task is waiting to send a message, remove it from the waiting list */
+      p_TCB = rt_get_first ((P_XCB)p_CB);
+#ifdef __CMSIS_RTOS
+      rt_ret_val(p_TCB, 0/*osOK*/);
+#else
+      rt_ret_val(p_TCB, OS_R_OK);
+#endif
+      p_CB->msg[p_CB->first] = p_TCB->msg;
+      rt_inc (&p_CB->count);
+      if (++p_CB->first == p_CB->size) {
+        p_CB->first = 0;
+      }
+      p_TCB->state = READY;
+      rt_rmv_dly (p_TCB);
+      rt_put_prio (&os_rdy, p_TCB);
+      break;
+    case 1:
+      /* Task is waiting for a message, pass the message to the task directly */
+      p_TCB = rt_get_first ((P_XCB)p_CB);
+#ifdef __CMSIS_RTOS
+      rt_ret_val2(p_TCB, 0x10/*osEventMessage*/, (U32)p_msg);
+#else
+      *p_TCB->msg = p_msg;
+      rt_ret_val (p_TCB, OS_R_MBX);
+#endif
+      p_TCB->state = READY;
+      rt_rmv_dly (p_TCB);
+      rt_put_prio (&os_rdy, p_TCB);
+      break;
+  } else {
+      /* No task is waiting for a message, store it to the mailbox queue */
+      if (p_CB->count < p_CB->size) {
+        p_CB->msg[p_CB->first] = p_msg;
+        rt_inc (&p_CB->count);
+        if (++p_CB->first == p_CB->size) {
+          p_CB->first = 0;
+        }
+      }
+      else {
+        os_error (OS_ERR_MBX_OVF);
+      }
+  }
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_Mailbox.h b/libraries/rtos/rtx/rt_Mailbox.h
new file mode 100644
index 0000000000..06a20c0fca
--- /dev/null
+++ b/libraries/rtos/rtx/rt_Mailbox.h
@@ -0,0 +1,48 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_MAILBOX.H
+ *      Purpose: Implements waits and wake-ups for mailbox messages
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Functions */
+extern void      rt_mbx_init  (OS_ID mailbox, U16 mbx_size);
+extern OS_RESULT rt_mbx_send  (OS_ID mailbox, void *p_msg,    U16 timeout);
+extern OS_RESULT rt_mbx_wait  (OS_ID mailbox, void **message, U16 timeout);
+extern OS_RESULT rt_mbx_check (OS_ID mailbox);
+extern void      isr_mbx_send (OS_ID mailbox, void *p_msg);
+extern OS_RESULT isr_mbx_receive (OS_ID mailbox, void **message);
+extern void      rt_mbx_psh   (P_MCB p_CB,    void *p_msg);
+
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_MemBox.c b/libraries/rtos/rtx/rt_MemBox.c
new file mode 100644
index 0000000000..adee298fba
--- /dev/null
+++ b/libraries/rtos/rtx/rt_MemBox.c
@@ -0,0 +1,166 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_MEMBOX.C
+ *      Purpose: Interface functions for fixed memory block management system
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_MemBox.h"
+#include "rt_HAL_CM.h"
+
+/*----------------------------------------------------------------------------
+ *      Global Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- _init_box -------------------------------------*/
+
+int _init_box  (void *box_mem, U32 box_size, U32 blk_size) {
+  /* Initialize memory block system, returns 0 if OK, 1 if fails. */
+  void *end;
+  void *blk;
+  void *next;
+  U32  sizeof_bm;
+
+  /* Create memory structure. */
+  if (blk_size & BOX_ALIGN_8) {
+    /* Memory blocks 8-byte aligned. */ 
+    blk_size = ((blk_size & ~BOX_ALIGN_8) + 7) & ~7;
+    sizeof_bm = (sizeof (struct OS_BM) + 7) & ~7;
+  }
+  else {
+    /* Memory blocks 4-byte aligned. */
+    blk_size = (blk_size + 3) & ~3;
+    sizeof_bm = sizeof (struct OS_BM);
+  }
+  if (blk_size == 0) {
+    return (1);
+  }
+  if ((blk_size + sizeof_bm) > box_size) {
+    return (1);
+  }
+  /* Create a Memory structure. */
+  blk = ((U8 *) box_mem) + sizeof_bm;
+  ((P_BM) box_mem)->free = blk;
+  end = ((U8 *) box_mem) + box_size;
+  ((P_BM) box_mem)->end      = end;
+  ((P_BM) box_mem)->blk_size = blk_size;
+
+  /* Link all free blocks using offsets. */
+  end = ((U8 *) end) - blk_size;
+  while (1)  {
+    next = ((U8 *) blk) + blk_size;
+    if (next > end)  break;
+    *((void **)blk) = next;
+    blk = next;
+  }
+  /* end marker */
+  *((void **)blk) = 0;
+  return (0);
+}
+
+/*--------------------------- rt_alloc_box ----------------------------------*/
+
+void *rt_alloc_box (void *box_mem) {
+  /* Allocate a memory block and return start address. */
+  void **free;
+#ifndef __USE_EXCLUSIVE_ACCESS
+  int  irq_dis;
+
+  irq_dis = __disable_irq ();
+  free = ((P_BM) box_mem)->free;
+  if (free) {
+    ((P_BM) box_mem)->free = *free;
+  }
+  if (!irq_dis) __enable_irq ();
+#else
+  do {
+    if ((free = (void **)__ldrex(&((P_BM) box_mem)->free)) == 0) {
+      __clrex();
+      break;
+    }
+  } while (__strex((U32)*free, &((P_BM) box_mem)->free));
+#endif
+  return (free);
+}
+
+
+/*--------------------------- _calloc_box -----------------------------------*/
+
+void *_calloc_box (void *box_mem)  {
+  /* Allocate a 0-initialized memory block and return start address. */
+  void *free;
+  U32 *p;
+  U32 i;
+
+  free = _alloc_box (box_mem);
+  if (free)  {
+    p = free;
+    for (i = ((P_BM) box_mem)->blk_size; i; i -= 4)  {
+      *p = 0;
+      p++;
+    }
+  }
+  return (free);
+}
+
+
+/*--------------------------- rt_free_box -----------------------------------*/
+
+int rt_free_box (void *box_mem, void *box) {
+  /* Free a memory block, returns 0 if OK, 1 if box does not belong to box_mem */
+#ifndef __USE_EXCLUSIVE_ACCESS
+  int irq_dis;
+#endif
+
+  if (box < box_mem || box >= ((P_BM) box_mem)->end) {
+    return (1);
+  }
+
+#ifndef __USE_EXCLUSIVE_ACCESS
+  irq_dis = __disable_irq ();
+  *((void **)box) = ((P_BM) box_mem)->free;
+  ((P_BM) box_mem)->free = box;
+  if (!irq_dis) __enable_irq ();
+#else
+  do {
+    *((void **)box) = (void *)__ldrex(&((P_BM) box_mem)->free);
+  } while (__strex ((U32)box, &((P_BM) box_mem)->free));
+#endif
+  return (0);
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_MemBox.h b/libraries/rtos/rtx/rt_MemBox.h
new file mode 100644
index 0000000000..52f150f138
--- /dev/null
+++ b/libraries/rtos/rtx/rt_MemBox.h
@@ -0,0 +1,46 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_MEMBOX.H
+ *      Purpose: Interface functions for fixed memory block management system
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Functions */
+#define rt_init_box     _init_box
+#define rt_calloc_box   _calloc_box
+extern int     _init_box   (void *box_mem, U32 box_size, U32 blk_size);
+extern void *rt_alloc_box  (void *box_mem);
+extern void *  _calloc_box (void *box_mem);
+extern int   rt_free_box   (void *box_mem, void *box);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_Mutex.c b/libraries/rtos/rtx/rt_Mutex.c
new file mode 100644
index 0000000000..f207c64597
--- /dev/null
+++ b/libraries/rtos/rtx/rt_Mutex.c
@@ -0,0 +1,197 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_MUTEX.C
+ *      Purpose: Implements mutex synchronization objects
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_List.h"
+#include "rt_Task.h"
+#include "rt_Mutex.h"
+#include "rt_HAL_CM.h"
+
+
+/*----------------------------------------------------------------------------
+ *      Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_mut_init -----------------------------------*/
+
+void rt_mut_init (OS_ID mutex) {
+  /* Initialize a mutex object */
+  P_MUCB p_MCB = mutex;
+
+  p_MCB->cb_type = MUCB;
+  p_MCB->prio    = 0;
+  p_MCB->level   = 0;
+  p_MCB->p_lnk   = NULL;
+  p_MCB->owner   = NULL;
+}
+
+
+/*--------------------------- rt_mut_delete ---------------------------------*/
+
+#ifdef __CMSIS_RTOS
+OS_RESULT rt_mut_delete (OS_ID mutex) {
+  /* Delete a mutex object */
+  P_MUCB p_MCB = mutex;
+  P_TCB  p_TCB;
+
+  /* Restore owner task's priority. */
+  if (p_MCB->level != 0) {
+    p_MCB->owner->prio = p_MCB->prio;
+    if (p_MCB->owner != os_tsk.run) {
+      rt_resort_prio (p_MCB->owner);
+    }
+  }
+
+  while (p_MCB->p_lnk != NULL) {
+    /* A task is waiting for mutex. */
+    p_TCB = rt_get_first ((P_XCB)p_MCB);
+    rt_ret_val(p_TCB, 0/*osOK*/);
+    rt_rmv_dly(p_TCB);
+    p_TCB->state = READY;
+    rt_put_prio (&os_rdy, p_TCB);
+  }
+
+  if (os_rdy.p_lnk && (os_rdy.p_lnk->prio > os_tsk.run->prio)) {
+    /* preempt running task */
+    rt_put_prio (&os_rdy, os_tsk.run);
+    os_tsk.run->state = READY;
+    rt_dispatch (NULL);
+  }
+
+  p_MCB->cb_type = 0;
+
+  return (OS_R_OK);
+}
+#endif
+
+
+/*--------------------------- rt_mut_release --------------------------------*/
+
+OS_RESULT rt_mut_release (OS_ID mutex) {
+  /* Release a mutex object */
+  P_MUCB p_MCB = mutex;
+  P_TCB  p_TCB;
+
+  if (p_MCB->level == 0 || p_MCB->owner != os_tsk.run) {
+    /* Unbalanced mutex release or task is not the owner */
+    return (OS_R_NOK);
+  }
+  if (--p_MCB->level != 0) {
+    return (OS_R_OK);
+  }
+  /* Restore owner task's priority. */
+  os_tsk.run->prio = p_MCB->prio;
+  if (p_MCB->p_lnk != NULL) {
+    /* A task is waiting for mutex. */
+    p_TCB = rt_get_first ((P_XCB)p_MCB);
+#ifdef __CMSIS_RTOS
+    rt_ret_val(p_TCB, 0/*osOK*/);
+#else
+    rt_ret_val(p_TCB, OS_R_MUT); 
+#endif
+    rt_rmv_dly (p_TCB);
+    /* A waiting task becomes the owner of this mutex. */
+    p_MCB->level     = 1;
+    p_MCB->owner     = p_TCB;
+    p_MCB->prio      = p_TCB->prio;
+    /* Priority inversion, check which task continues. */
+    if (os_tsk.run->prio >= rt_rdy_prio()) {
+      rt_dispatch (p_TCB);
+    }
+    else {
+      /* Ready task has higher priority than running task. */
+      rt_put_prio (&os_rdy, os_tsk.run);
+      rt_put_prio (&os_rdy, p_TCB);
+      os_tsk.run->state = READY;
+      p_TCB->state      = READY;
+      rt_dispatch (NULL);
+    }
+  }
+  else {
+    /* Check if own priority raised by priority inversion. */
+    if (rt_rdy_prio() > os_tsk.run->prio) {
+      rt_put_prio (&os_rdy, os_tsk.run);
+      os_tsk.run->state = READY;
+      rt_dispatch (NULL);
+    }
+  }
+  return (OS_R_OK);
+}
+
+
+/*--------------------------- rt_mut_wait -----------------------------------*/
+
+OS_RESULT rt_mut_wait (OS_ID mutex, U16 timeout) {
+  /* Wait for a mutex, continue when mutex is free. */
+  P_MUCB p_MCB = mutex;
+
+  if (p_MCB->level == 0) {
+    p_MCB->owner = os_tsk.run;
+    p_MCB->prio  = os_tsk.run->prio;
+    goto inc;
+  }
+  if (p_MCB->owner == os_tsk.run) {
+    /* OK, running task is the owner of this mutex. */
+inc:p_MCB->level++;
+    return (OS_R_OK);
+  }
+  /* Mutex owned by another task, wait until released. */
+  if (timeout == 0) {
+    return (OS_R_TMO);
+  }
+  /* Raise the owner task priority if lower than current priority. */
+  /* This priority inversion is called priority inheritance.       */
+  if (p_MCB->prio < os_tsk.run->prio) {
+    p_MCB->owner->prio = os_tsk.run->prio;
+    rt_resort_prio (p_MCB->owner);
+  }
+  if (p_MCB->p_lnk != NULL) {
+    rt_put_prio ((P_XCB)p_MCB, os_tsk.run);
+  }
+  else {
+    p_MCB->p_lnk = os_tsk.run;
+    os_tsk.run->p_lnk  = NULL;
+    os_tsk.run->p_rlnk = (P_TCB)p_MCB;
+  }
+  rt_block(timeout, WAIT_MUT);
+  return (OS_R_TMO);
+}
+
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_Mutex.h b/libraries/rtos/rtx/rt_Mutex.h
new file mode 100644
index 0000000000..4f6b0de8a0
--- /dev/null
+++ b/libraries/rtos/rtx/rt_Mutex.h
@@ -0,0 +1,44 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_MUTEX.H
+ *      Purpose: Implements mutex synchronization objects
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Functions */
+extern void      rt_mut_init    (OS_ID mutex);
+extern OS_RESULT rt_mut_delete  (OS_ID mutex);
+extern OS_RESULT rt_mut_release (OS_ID mutex);
+extern OS_RESULT rt_mut_wait    (OS_ID mutex, U16 timeout);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_Robin.c b/libraries/rtos/rtx/rt_Robin.c
new file mode 100644
index 0000000000..36974e8bdb
--- /dev/null
+++ b/libraries/rtos/rtx/rt_Robin.c
@@ -0,0 +1,84 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_ROBIN.C
+ *      Purpose: Round Robin Task switching
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_List.h"
+#include "rt_Task.h"
+#include "rt_Time.h"
+#include "rt_Robin.h"
+#include "rt_HAL_CM.h"
+
+/*----------------------------------------------------------------------------
+ *      Global Variables
+ *---------------------------------------------------------------------------*/
+
+struct OS_ROBIN os_robin;
+
+
+/*----------------------------------------------------------------------------
+ *      Global Functions
+ *---------------------------------------------------------------------------*/
+
+/*--------------------------- rt_init_robin ---------------------------------*/
+
+__weak void rt_init_robin (void) {
+  /* Initialize Round Robin variables. */
+  os_robin.task = NULL;
+  os_robin.tout = (U16)os_rrobin;
+}
+
+/*--------------------------- rt_chk_robin ----------------------------------*/
+
+__weak void rt_chk_robin (void) {
+  /* Check if Round Robin timeout expired and switch to the next ready task.*/
+  P_TCB p_new;
+
+  if (os_robin.task != os_rdy.p_lnk) {
+    /* New task was suspended, reset Round Robin timeout. */
+    os_robin.task = os_rdy.p_lnk;
+    os_robin.time = (U16)os_time + os_robin.tout - 1;
+  }
+  if (os_robin.time == (U16)os_time) {
+    /* Round Robin timeout has expired, swap Robin tasks. */
+    os_robin.task = NULL;
+    p_new = rt_get_first (&os_rdy);
+    rt_put_prio ((P_XCB)&os_rdy, p_new);
+  }
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_Robin.h b/libraries/rtos/rtx/rt_Robin.h
new file mode 100644
index 0000000000..eb665ad6ef
--- /dev/null
+++ b/libraries/rtos/rtx/rt_Robin.h
@@ -0,0 +1,45 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_ROBIN.H
+ *      Purpose: Round Robin Task switching definitions
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Variables */
+extern struct OS_ROBIN os_robin;
+
+/* Functions */
+extern void rt_init_robin (void);
+extern void rt_chk_robin  (void);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_Semaphore.c b/libraries/rtos/rtx/rt_Semaphore.c
new file mode 100644
index 0000000000..8a9a01108b
--- /dev/null
+++ b/libraries/rtos/rtx/rt_Semaphore.c
@@ -0,0 +1,183 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_SEMAPHORE.C
+ *      Purpose: Implements binary and counting semaphores
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_List.h"
+#include "rt_Task.h"
+#include "rt_Semaphore.h"
+#include "rt_HAL_CM.h"
+
+
+/*----------------------------------------------------------------------------
+ *      Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_sem_init -----------------------------------*/
+
+void rt_sem_init (OS_ID semaphore, U16 token_count) {
+  /* Initialize a semaphore */
+  P_SCB p_SCB = semaphore;
+
+  p_SCB->cb_type = SCB;
+  p_SCB->p_lnk  = NULL;
+  p_SCB->tokens = token_count;
+}
+
+
+/*--------------------------- rt_sem_delete ---------------------------------*/
+
+#ifdef __CMSIS_RTOS
+OS_RESULT rt_sem_delete (OS_ID semaphore) {
+  /* Delete semaphore */
+  P_SCB p_SCB = semaphore;
+  P_TCB p_TCB;
+
+  while (p_SCB->p_lnk != NULL) {
+    /* A task is waiting for token */
+    p_TCB = rt_get_first ((P_XCB)p_SCB);
+    rt_ret_val(p_TCB, 0);
+    rt_rmv_dly(p_TCB);
+    p_TCB->state = READY;
+    rt_put_prio (&os_rdy, p_TCB);
+  }
+
+  if (os_rdy.p_lnk && (os_rdy.p_lnk->prio > os_tsk.run->prio)) {
+    /* preempt running task */
+    rt_put_prio (&os_rdy, os_tsk.run);
+    os_tsk.run->state = READY;
+    rt_dispatch (NULL);
+  }
+
+  p_SCB->cb_type = 0;
+
+  return (OS_R_OK);
+}
+#endif
+
+
+/*--------------------------- rt_sem_send -----------------------------------*/
+
+OS_RESULT rt_sem_send (OS_ID semaphore) {
+  /* Return a token to semaphore */
+  P_SCB p_SCB = semaphore;
+  P_TCB p_TCB;
+
+  if (p_SCB->p_lnk != NULL) {
+    /* A task is waiting for token */
+    p_TCB = rt_get_first ((P_XCB)p_SCB);
+#ifdef __CMSIS_RTOS
+    rt_ret_val(p_TCB, 1);
+#else
+    rt_ret_val(p_TCB, OS_R_SEM);
+#endif
+    rt_rmv_dly (p_TCB);
+    rt_dispatch (p_TCB);
+  }
+  else {
+    /* Store token. */
+    p_SCB->tokens++;
+  }
+  return (OS_R_OK);
+}
+
+
+/*--------------------------- rt_sem_wait -----------------------------------*/
+
+OS_RESULT rt_sem_wait (OS_ID semaphore, U16 timeout) {
+  /* Obtain a token; possibly wait for it */
+  P_SCB p_SCB = semaphore;
+
+  if (p_SCB->tokens) {
+    p_SCB->tokens--;
+    return (OS_R_OK);
+  }
+  /* No token available: wait for one */
+  if (timeout == 0) {
+    return (OS_R_TMO);
+  }
+  if (p_SCB->p_lnk != NULL) {
+    rt_put_prio ((P_XCB)p_SCB, os_tsk.run);
+  }
+  else {
+    p_SCB->p_lnk = os_tsk.run;
+    os_tsk.run->p_lnk = NULL;
+    os_tsk.run->p_rlnk = (P_TCB)p_SCB;
+  }
+  rt_block(timeout, WAIT_SEM);
+  return (OS_R_TMO);
+}
+
+
+/*--------------------------- isr_sem_send ----------------------------------*/
+
+void isr_sem_send (OS_ID semaphore) {
+  /* Same function as "os_sem"send", but to be called by ISRs */
+  P_SCB p_SCB = semaphore;
+
+  rt_psq_enq (p_SCB, 0);
+  rt_psh_req ();
+}
+
+
+/*--------------------------- rt_sem_psh ------------------------------------*/
+
+void rt_sem_psh (P_SCB p_CB) {
+  /* Check if task has to be waken up */
+  P_TCB p_TCB;
+
+  if (p_CB->p_lnk != NULL) {
+    /* A task is waiting for token */
+    p_TCB = rt_get_first ((P_XCB)p_CB);
+    rt_rmv_dly (p_TCB);
+    p_TCB->state   = READY;
+#ifdef __CMSIS_RTOS
+    rt_ret_val(p_TCB, 1);
+#else
+    rt_ret_val(p_TCB, OS_R_SEM);
+#endif
+    rt_put_prio (&os_rdy, p_TCB);
+  }
+  else {
+    /* Store token */
+    p_CB->tokens++;
+  }
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_Semaphore.h b/libraries/rtos/rtx/rt_Semaphore.h
new file mode 100644
index 0000000000..5b04480282
--- /dev/null
+++ b/libraries/rtos/rtx/rt_Semaphore.h
@@ -0,0 +1,46 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_SEMAPHORE.H
+ *      Purpose: Implements binary and counting semaphores
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Functions */
+extern void      rt_sem_init  (OS_ID semaphore, U16 token_count);
+extern OS_RESULT rt_sem_delete(OS_ID semaphore);
+extern OS_RESULT rt_sem_send  (OS_ID semaphore);
+extern OS_RESULT rt_sem_wait  (OS_ID semaphore, U16 timeout);
+extern void      isr_sem_send (OS_ID semaphore);
+extern void      rt_sem_psh (P_SCB p_CB);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_System.c b/libraries/rtos/rtx/rt_System.c
new file mode 100644
index 0000000000..4e13cbf72f
--- /dev/null
+++ b/libraries/rtos/rtx/rt_System.c
@@ -0,0 +1,299 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_SYSTEM.C
+ *      Purpose: System Task Manager
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_Task.h"
+#include "rt_System.h"
+#include "rt_Event.h"
+#include "rt_List.h"
+#include "rt_Mailbox.h"
+#include "rt_Semaphore.h"
+#include "rt_Time.h"
+#include "rt_Robin.h"
+#include "rt_HAL_CM.h"
+
+/*----------------------------------------------------------------------------
+ *      Global Variables
+ *---------------------------------------------------------------------------*/
+
+int os_tick_irqn;
+
+/*----------------------------------------------------------------------------
+ *      Local Variables
+ *---------------------------------------------------------------------------*/
+
+static volatile BIT os_lock;
+static volatile BIT os_psh_flag;
+static          U8  pend_flags;
+
+/*----------------------------------------------------------------------------
+ *      Global Functions
+ *---------------------------------------------------------------------------*/
+
+#if defined (__CC_ARM)
+__asm void $$RTX$$version (void) {
+   /* Export a version number symbol for a version control. */
+
+                EXPORT  __RL_RTX_VER
+
+__RL_RTX_VER    EQU     0x450
+}
+#endif
+
+
+/*--------------------------- rt_suspend ------------------------------------*/
+U32 rt_suspend (void) {
+  /* Suspend OS scheduler */
+  U32 delta = 0xFFFF;
+  
+  rt_tsk_lock();
+  
+  if (os_dly.p_dlnk) {
+    delta = os_dly.delta_time;
+  }
+#ifndef __CMSIS_RTOS
+  if (os_tmr.next) {
+    if (os_tmr.tcnt < delta) delta = os_tmr.tcnt;
+  }
+#endif
+  
+  return (delta);
+}
+
+
+/*--------------------------- rt_resume -------------------------------------*/
+void rt_resume (U32 sleep_time) {
+  /* Resume OS scheduler after suspend */
+  P_TCB next;
+  U32   delta;
+
+  os_tsk.run->state = READY;
+  rt_put_rdy_first (os_tsk.run);
+
+  os_robin.task = NULL;
+
+  /* Update delays. */
+  if (os_dly.p_dlnk) {
+    delta = sleep_time;
+    if (delta >= os_dly.delta_time) {
+      delta   -= os_dly.delta_time;
+      os_time += os_dly.delta_time;
+      os_dly.delta_time = 1;
+      while (os_dly.p_dlnk) {
+        rt_dec_dly();
+        if (delta == 0) break;
+        delta--;
+        os_time++;
+      }
+    } else {
+      os_time           += delta;
+      os_dly.delta_time -= delta;
+    }
+  } else {
+    os_time += sleep_time;
+  }
+  
+#ifndef __CMSIS_RTOS
+  /* Check the user timers. */
+  if (os_tmr.next) {
+    delta = sleep_time;
+    if (delta >= os_tmr.tcnt) {
+      delta   -= os_tmr.tcnt;
+      os_tmr.tcnt = 1;
+      while (os_tmr.next) {
+        rt_tmr_tick();
+        if (delta == 0) break;
+        delta--;
+      }
+    } else {
+      os_tmr.tcnt -= delta;
+    }
+  }
+#endif
+
+  /* Switch back to highest ready task */
+  next = rt_get_first (&os_rdy);
+  rt_switch_req (next);
+
+  rt_tsk_unlock();
+}
+
+
+/*--------------------------- rt_tsk_lock -----------------------------------*/
+
+void rt_tsk_lock (void) {
+  /* Prevent task switching by locking out scheduler */
+  if (os_tick_irqn < 0) {
+    OS_LOCK();
+    os_lock = __TRUE;
+    OS_UNPEND (&pend_flags);
+  } else {
+    OS_X_LOCK(os_tick_irqn);
+    os_lock = __TRUE;
+    OS_X_UNPEND (&pend_flags);
+  }
+}
+
+
+/*--------------------------- rt_tsk_unlock ---------------------------------*/
+
+void rt_tsk_unlock (void) {
+  /* Unlock scheduler and re-enable task switching */
+  if (os_tick_irqn < 0) {
+    OS_UNLOCK();
+    os_lock = __FALSE;
+    OS_PEND (pend_flags, os_psh_flag);
+    os_psh_flag = __FALSE;
+  } else {
+    OS_X_UNLOCK(os_tick_irqn);
+    os_lock = __FALSE;
+    OS_X_PEND (pend_flags, os_psh_flag);
+    os_psh_flag = __FALSE;
+  }
+}
+
+
+/*--------------------------- rt_psh_req ------------------------------------*/
+
+void rt_psh_req (void) {
+  /* Initiate a post service handling request if required. */
+  if (os_lock == __FALSE) {
+    OS_PEND_IRQ ();
+  }
+  else {
+    os_psh_flag = __TRUE;
+  }
+}
+
+
+/*--------------------------- rt_pop_req ------------------------------------*/
+
+void rt_pop_req (void) {
+  /* Process an ISR post service requests. */
+  struct OS_XCB *p_CB;
+  P_TCB next;
+  U32  idx;
+
+  os_tsk.run->state = READY;
+  rt_put_rdy_first (os_tsk.run);
+
+  idx = os_psq->last;
+  while (os_psq->count) {
+    p_CB = os_psq->q[idx].id;
+    if (p_CB->cb_type == TCB) {
+      /* Is of TCB type */
+      rt_evt_psh ((P_TCB)p_CB, (U16)os_psq->q[idx].arg);
+    }
+    else if (p_CB->cb_type == MCB) {
+      /* Is of MCB type */
+      rt_mbx_psh ((P_MCB)p_CB, (void *)os_psq->q[idx].arg);
+    }
+    else {
+      /* Must be of SCB type */
+      rt_sem_psh ((P_SCB)p_CB);
+    }
+    if (++idx == os_psq->size) idx = 0;
+    rt_dec (&os_psq->count);
+  }
+  os_psq->last = idx;
+
+  next = rt_get_first (&os_rdy);
+  rt_switch_req (next);
+}
+
+
+/*--------------------------- os_tick_init ----------------------------------*/
+
+__weak int os_tick_init (void) {
+  /* Initialize SysTick timer as system tick timer. */
+  rt_systick_init ();
+  return (-1);  /* Return IRQ number of SysTick timer */
+}
+
+
+/*--------------------------- os_tick_irqack --------------------------------*/
+
+__weak void os_tick_irqack (void) {
+  /* Acknowledge timer interrupt. */
+}
+
+
+/*--------------------------- rt_systick ------------------------------------*/
+
+extern void sysTimerTick(void);
+
+void rt_systick (void) {
+  /* Check for system clock update, suspend running task. */
+  P_TCB next;
+
+  os_tsk.run->state = READY;
+  rt_put_rdy_first (os_tsk.run);
+
+  /* Check Round Robin timeout. */
+  rt_chk_robin ();
+
+  /* Update delays. */
+  os_time++;
+  rt_dec_dly ();
+
+  /* Check the user timers. */
+#ifdef __CMSIS_RTOS
+  sysTimerTick();
+#else
+  rt_tmr_tick ();
+#endif
+  
+  /* Switch back to highest ready task */
+  next = rt_get_first (&os_rdy);
+  rt_switch_req (next);
+}
+
+/*--------------------------- rt_stk_check ----------------------------------*/
+__weak void rt_stk_check (void) {
+    /* Check for stack overflow. */
+    if (os_tsk.run->task_id == 0x01) {
+        // TODO: For the main thread the check should be done against the main heap pointer
+    } else {
+        if ((os_tsk.run->tsk_stack < (U32)os_tsk.run->stack) ||
+            (os_tsk.run->stack[0] != MAGIC_WORD)) {
+            os_error (OS_ERR_STK_OVF);
+        }
+    }
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_System.h b/libraries/rtos/rtx/rt_System.h
new file mode 100644
index 0000000000..aff9aa662d
--- /dev/null
+++ b/libraries/rtos/rtx/rt_System.h
@@ -0,0 +1,52 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_SYSTEM.H
+ *      Purpose: System Task Manager definitions
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Variables */
+#define os_psq  ((P_PSQ)&os_fifo)
+extern int os_tick_irqn;
+
+/* Functions */
+extern U32  rt_suspend    (void);
+extern void rt_resume     (U32 sleep_time);
+extern void rt_tsk_lock   (void);
+extern void rt_tsk_unlock (void);
+extern void rt_psh_req    (void);
+extern void rt_pop_req    (void);
+extern void rt_systick    (void);
+extern void rt_stk_check  (void);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_Task.c b/libraries/rtos/rtx/rt_Task.c
new file mode 100644
index 0000000000..04d993b0e1
--- /dev/null
+++ b/libraries/rtos/rtx/rt_Task.c
@@ -0,0 +1,339 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_TASK.C
+ *      Purpose: Task functions and system start up.
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_Task.h"
+#include "rt_List.h"
+#include "rt_MemBox.h"
+#include "rt_Robin.h"
+#include "rt_HAL_CM.h"
+
+/*----------------------------------------------------------------------------
+ *      Global Variables
+ *---------------------------------------------------------------------------*/
+
+/* Running and next task info. */
+struct OS_TSK os_tsk;
+
+/* Task Control Blocks of idle demon */
+struct OS_TCB os_idle_TCB;
+
+
+/*----------------------------------------------------------------------------
+ *      Local Functions
+ *---------------------------------------------------------------------------*/
+
+OS_TID rt_get_TID (void) {
+  U32 tid;
+
+  for (tid = 1; tid <= os_maxtaskrun; tid++) {
+    if (os_active_TCB[tid-1] == NULL) {
+      return ((OS_TID)tid);
+    }
+  }
+  return (0);
+}
+
+#if defined (__CC_ARM) && !defined (__MICROLIB)
+/*--------------------------- __user_perthread_libspace ---------------------*/
+extern void  *__libspace_start;
+
+void *__user_perthread_libspace (void) {
+  /* Provide a separate libspace for each task. */
+  if (os_tsk.run == NULL) {
+    /* RTX not running yet. */
+    return (&__libspace_start);
+  }
+  return (void *)(os_tsk.run->std_libspace);
+}
+#endif
+
+/*--------------------------- rt_init_context -------------------------------*/
+
+void rt_init_context (P_TCB p_TCB, U8 priority, FUNCP task_body) {
+  /* Initialize general part of the Task Control Block. */
+  p_TCB->cb_type = TCB;
+  p_TCB->state   = READY;
+  p_TCB->prio    = priority;
+  p_TCB->p_lnk   = NULL;
+  p_TCB->p_rlnk  = NULL;
+  p_TCB->p_dlnk  = NULL;
+  p_TCB->p_blnk  = NULL;
+  p_TCB->delta_time    = 0;
+  p_TCB->interval_time = 0;
+  p_TCB->events  = 0;
+  p_TCB->waits   = 0;
+  p_TCB->stack_frame = 0;
+
+  rt_init_stack (p_TCB, task_body);
+}
+
+
+/*--------------------------- rt_switch_req ---------------------------------*/
+
+void rt_switch_req (P_TCB p_new) {
+  /* Switch to next task (identified by "p_new"). */
+  os_tsk.new_tsk   = p_new;
+  p_new->state = RUNNING;
+  DBG_TASK_SWITCH(p_new->task_id);
+}
+
+
+/*--------------------------- rt_dispatch -----------------------------------*/
+
+void rt_dispatch (P_TCB next_TCB) {
+  /* Dispatch next task if any identified or dispatch highest ready task    */
+  /* "next_TCB" identifies a task to run or has value NULL (=no next task)  */
+  if (next_TCB == NULL) {
+    /* Running task was blocked: continue with highest ready task */
+    next_TCB = rt_get_first (&os_rdy);
+    rt_switch_req (next_TCB);
+  }
+  else {
+    /* Check which task continues */
+    if (next_TCB->prio > os_tsk.run->prio) {
+      /* preempt running task */
+      rt_put_rdy_first (os_tsk.run);
+      os_tsk.run->state = READY;
+      rt_switch_req (next_TCB);
+    }
+    else {
+      /* put next task into ready list, no task switch takes place */
+      next_TCB->state = READY;
+      rt_put_prio (&os_rdy, next_TCB);
+    }
+  }
+}
+
+
+/*--------------------------- rt_block --------------------------------------*/
+
+void rt_block (U16 timeout, U8 block_state) {
+  /* Block running task and choose next ready task.                         */
+  /* "timeout" sets a time-out value or is 0xffff (=no time-out).           */
+  /* "block_state" defines the appropriate task state */
+  P_TCB next_TCB;
+
+  if (timeout) {
+    if (timeout < 0xffff) {
+      rt_put_dly (os_tsk.run, timeout);
+    }
+    os_tsk.run->state = block_state;
+    next_TCB = rt_get_first (&os_rdy);
+    rt_switch_req (next_TCB);
+  }
+}
+
+
+/*--------------------------- rt_tsk_pass -----------------------------------*/
+
+void rt_tsk_pass (void) {
+  /* Allow tasks of same priority level to run cooperatively.*/
+  P_TCB p_new;
+
+  p_new = rt_get_same_rdy_prio();
+  if (p_new != NULL) {
+    rt_put_prio ((P_XCB)&os_rdy, os_tsk.run);
+    os_tsk.run->state = READY;
+    rt_switch_req (p_new);
+  }
+}
+
+
+/*--------------------------- rt_tsk_self -----------------------------------*/
+
+OS_TID rt_tsk_self (void) {
+  /* Return own task identifier value. */
+  if (os_tsk.run == NULL) {
+    return (0);
+  }
+  return (os_tsk.run->task_id);
+}
+
+
+/*--------------------------- rt_tsk_prio -----------------------------------*/
+
+OS_RESULT rt_tsk_prio (OS_TID task_id, U8 new_prio) {
+  /* Change execution priority of a task to "new_prio". */
+  P_TCB p_task;
+
+  if (task_id == 0) {
+    /* Change execution priority of calling task. */
+    os_tsk.run->prio = new_prio;
+run:if (rt_rdy_prio() > new_prio) {
+      rt_put_prio (&os_rdy, os_tsk.run);
+      os_tsk.run->state   = READY;
+      rt_dispatch (NULL);
+    }
+    return (OS_R_OK);
+  }
+
+  /* Find the task in the "os_active_TCB" array. */
+  if (task_id > os_maxtaskrun || os_active_TCB[task_id-1] == NULL) {
+    /* Task with "task_id" not found or not started. */
+    return (OS_R_NOK);
+  }
+  p_task = os_active_TCB[task_id-1];
+  p_task->prio = new_prio;
+  if (p_task == os_tsk.run) {
+    goto run;
+  }
+  rt_resort_prio (p_task);
+  if (p_task->state == READY) {
+    /* Task enqueued in a ready list. */
+    p_task = rt_get_first (&os_rdy);
+    rt_dispatch (p_task);
+  }
+  return (OS_R_OK);
+}
+
+/*--------------------------- rt_tsk_delete ---------------------------------*/
+
+OS_RESULT rt_tsk_delete (OS_TID task_id) {
+  /* Terminate the task identified with "task_id". */
+  P_TCB task_context;
+
+  if (task_id == 0 || task_id == os_tsk.run->task_id) {
+    /* Terminate itself. */
+    os_tsk.run->state     = INACTIVE;
+    os_tsk.run->tsk_stack = rt_get_PSP ();
+    rt_stk_check ();
+    os_active_TCB[os_tsk.run->task_id-1] = NULL;
+    
+    os_tsk.run->stack = NULL;
+    DBG_TASK_NOTIFY(os_tsk.run, __FALSE);
+    os_tsk.run = NULL;
+    rt_dispatch (NULL);
+    /* The program should never come to this point. */
+  }
+  else {
+    /* Find the task in the "os_active_TCB" array. */
+    if (task_id > os_maxtaskrun || os_active_TCB[task_id-1] == NULL) {
+      /* Task with "task_id" not found or not started. */
+      return (OS_R_NOK);
+    }
+    task_context = os_active_TCB[task_id-1];
+    rt_rmv_list (task_context);
+    rt_rmv_dly (task_context);
+    os_active_TCB[task_id-1] = NULL;
+    
+    task_context->stack = NULL;
+    DBG_TASK_NOTIFY(task_context, __FALSE);
+  }
+  return (OS_R_OK);
+}
+
+
+/*--------------------------- rt_sys_init -----------------------------------*/
+
+#ifdef __CMSIS_RTOS
+void rt_sys_init (void) {
+#else
+void rt_sys_init (FUNCP first_task, U32 prio_stksz, void *stk) {
+#endif
+  /* Initialize system and start up task declared with "first_task". */
+  U32 i;
+
+  DBG_INIT();
+
+  /* Initialize dynamic memory and task TCB pointers to NULL. */
+  for (i = 0; i < os_maxtaskrun; i++) {
+    os_active_TCB[i] = NULL;
+  }
+  
+  /* Set up TCB of idle demon */
+  os_idle_TCB.task_id = 255;
+  os_idle_TCB.priv_stack = idle_task_stack_size;
+  os_idle_TCB.stack = idle_task_stack;
+  rt_init_context (&os_idle_TCB, 0, os_idle_demon);
+
+  /* Set up ready list: initially empty */
+  os_rdy.cb_type = HCB;
+  os_rdy.p_lnk   = NULL;
+  /* Set up delay list: initially empty */
+  os_dly.cb_type = HCB;
+  os_dly.p_dlnk  = NULL;
+  os_dly.p_blnk  = NULL;
+  os_dly.delta_time = 0;
+
+  /* Fix SP and systemvariables to assume idle task is running  */
+  /* Transform main program into idle task by assuming idle TCB */
+#ifndef __CMSIS_RTOS
+  rt_set_PSP (os_idle_TCB.tsk_stack+32);
+#endif
+  os_tsk.run = &os_idle_TCB;
+  os_tsk.run->state = RUNNING;
+
+  /* Initialize ps queue */
+  os_psq->first = 0;
+  os_psq->last  = 0;
+  os_psq->size  = os_fifo_size;
+
+  rt_init_robin ();
+
+  /* Intitialize SVC and PendSV */
+  rt_svc_init ();
+
+#ifndef __CMSIS_RTOS
+  /* Intitialize and start system clock timer */
+  os_tick_irqn = os_tick_init ();
+  if (os_tick_irqn >= 0) {
+    OS_X_INIT(os_tick_irqn);
+  }
+
+  /* Start up first user task before entering the endless loop */
+  rt_tsk_create (first_task, prio_stksz, stk, NULL);
+#endif
+}
+
+
+/*--------------------------- rt_sys_start ----------------------------------*/
+
+#ifdef __CMSIS_RTOS
+void rt_sys_start (void) {
+  /* Start system */
+
+  /* Intitialize and start system clock timer */
+  os_tick_irqn = os_tick_init ();
+  if (os_tick_irqn >= 0) {
+    OS_X_INIT(os_tick_irqn);
+  }
+}
+#endif
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff --git a/libraries/rtos/rtx/rt_Task.h b/libraries/rtos/rtx/rt_Task.h
new file mode 100644
index 0000000000..edf3830387
--- /dev/null
+++ b/libraries/rtos/rtx/rt_Task.h
@@ -0,0 +1,73 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_TASK.H
+ *      Purpose: Task functions and system start up.
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Definitions */
+#define __CMSIS_RTOS    1
+
+/* Values for 'state'   */
+#define INACTIVE        0
+#define READY           1
+#define RUNNING         2
+#define WAIT_DLY        3
+#define WAIT_ITV        4
+#define WAIT_OR         5
+#define WAIT_AND        6
+#define WAIT_SEM        7
+#define WAIT_MBX        8
+#define WAIT_MUT        9
+
+/* Return codes */
+#define OS_R_TMO        0x01
+#define OS_R_EVT        0x02
+#define OS_R_SEM        0x03
+#define OS_R_MBX        0x04
+#define OS_R_MUT        0x05
+
+#define OS_R_OK         0x00
+#define OS_R_NOK        0xff
+
+/* Variables */
+extern struct OS_TSK os_tsk;
+extern struct OS_TCB os_idle_TCB;
+
+/* Functions */
+extern void      rt_switch_req (P_TCB p_new);
+extern void      rt_dispatch   (P_TCB next_TCB);
+extern void      rt_block      (U16 timeout, U8 block_state);
+extern void      rt_tsk_pass   (void);
+extern OS_TID    rt_tsk_self   (void);
+extern OS_RESULT rt_tsk_prio   (OS_TID task_id, U8 new_prio);
+extern OS_RESULT rt_tsk_delete (OS_TID task_id);
+extern void      rt_sys_init   (void);
+extern void      rt_sys_start  (void);
diff --git a/libraries/rtos/rtx/rt_Time.c b/libraries/rtos/rtx/rt_Time.c
new file mode 100644
index 0000000000..58769c675e
--- /dev/null
+++ b/libraries/rtos/rtx/rt_Time.c
@@ -0,0 +1,94 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_TIME.C
+ *      Purpose: Delay and interval wait functions
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_Task.h"
+#include "rt_Time.h"
+
+/*----------------------------------------------------------------------------
+ *      Global Variables
+ *---------------------------------------------------------------------------*/
+
+/* Free running system tick counter */
+U32 os_time;
+
+
+/*----------------------------------------------------------------------------
+ *      Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_time_get -----------------------------------*/
+
+U32 rt_time_get (void) {
+  /* Get system time tick */
+  return (os_time);
+}
+
+
+/*--------------------------- rt_dly_wait -----------------------------------*/
+
+void rt_dly_wait (U16 delay_time) {
+  /* Delay task by "delay_time" */
+  rt_block (delay_time, WAIT_DLY);
+}
+
+
+/*--------------------------- rt_itv_set ------------------------------------*/
+
+void rt_itv_set (U16 interval_time) {
+  /* Set interval length and define start of first interval */
+  os_tsk.run->interval_time = interval_time;
+  os_tsk.run->delta_time = interval_time + (U16)os_time;
+}
+
+
+/*--------------------------- rt_itv_wait -----------------------------------*/
+
+void rt_itv_wait (void) {
+  /* Wait for interval end and define start of next one */
+  U16 delta;
+
+  delta = os_tsk.run->delta_time - (U16)os_time;
+  os_tsk.run->delta_time += os_tsk.run->interval_time;
+  if ((delta & 0x8000) == 0) {
+    rt_block (delta, WAIT_ITV);
+  }
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_Time.h b/libraries/rtos/rtx/rt_Time.h
new file mode 100644
index 0000000000..e6bae1a6e2
--- /dev/null
+++ b/libraries/rtos/rtx/rt_Time.h
@@ -0,0 +1,47 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_TIME.H
+ *      Purpose: Delay and interval wait functions definitions
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Variables */
+extern U32 os_time;
+
+/* Functions */
+extern U32  rt_time_get (void);
+extern void rt_dly_wait (U16 delay_time);
+extern void rt_itv_set  (U16 interval_time);
+extern void rt_itv_wait (void);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff --git a/libraries/rtos/rtx/rt_TypeDef.h b/libraries/rtos/rtx/rt_TypeDef.h
new file mode 100644
index 0000000000..faa56f7f05
--- /dev/null
+++ b/libraries/rtos/rtx/rt_TypeDef.h
@@ -0,0 +1,128 @@
+/*----------------------------------------------------------------------------
+ *      RL-ARM - RTX
+ *----------------------------------------------------------------------------
+ *      Name:    RT_TYPEDEF.H
+ *      Purpose: Type Definitions
+ *      Rev.:    V4.60
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  - Neither the name of ARM  nor the names of its contributors may be used 
+ *    to endorse or promote products derived from this software without 
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+#ifndef RT_TYPE_DEF_H
+#define RT_TYPE_DEF_H
+
+#include "os_tcb.h"
+
+typedef U32     OS_TID;
+typedef void    *OS_ID;
+typedef U32     OS_RESULT;
+
+#define TCB_STACKF      32        /* 'stack_frame' offset                    */
+#define TCB_TSTACK      36        /* 'tsk_stack' offset                      */
+
+typedef struct OS_PSFE {          /* Post Service Fifo Entry                 */
+  void  *id;                      /* Object Identification                   */
+  U32    arg;                     /* Object Argument                         */
+} *P_PSFE;
+
+typedef struct OS_PSQ {           /* Post Service Queue                      */
+  U8     first;                   /* FIFO Head Index                         */
+  U8     last;                    /* FIFO Tail Index                         */
+  U8     count;                   /* Number of stored items in FIFO          */
+  U8     size;                    /* FIFO Size                               */
+  struct OS_PSFE q[1];            /* FIFO Content                            */
+} *P_PSQ;
+
+typedef struct OS_TSK {
+  P_TCB  run;                     /* Current running task                    */
+  P_TCB  new_tsk;                 /* Scheduled task to run                   */
+} *P_TSK;
+
+typedef struct OS_ROBIN {         /* Round Robin Control                     */
+  P_TCB  task;                    /* Round Robin task                        */
+  U16    time;                    /* Round Robin switch time                 */
+  U16    tout;                    /* Round Robin timeout                     */
+} *P_ROBIN;
+
+typedef struct OS_XCB {
+  U8     cb_type;                 /* Control Block Type                      */
+  struct OS_TCB *p_lnk;           /* Link pointer for ready/sem. wait list   */
+  struct OS_TCB *p_rlnk;          /* Link pointer for sem./mbx lst backwards */
+  struct OS_TCB *p_dlnk;          /* Link pointer for delay list             */
+  struct OS_TCB *p_blnk;          /* Link pointer for delay list backwards   */
+  U16    delta_time;              /* Time until time out                     */
+} *P_XCB;
+
+typedef struct OS_MCB {
+  U8     cb_type;                 /* Control Block Type                      */
+  U8     state;                   /* State flag variable                     */
+  U8     isr_st;                  /* State flag variable for isr functions   */
+  struct OS_TCB *p_lnk;           /* Chain of tasks waiting for message      */
+  U16    first;                   /* Index of the message list begin         */
+  U16    last;                    /* Index of the message list end           */
+  U16    count;                   /* Actual number of stored messages        */
+  U16    size;                    /* Maximum number of stored messages       */
+  void   *msg[1];                 /* FIFO for Message pointers 1st element   */
+} *P_MCB;
+
+typedef struct OS_SCB {
+  U8     cb_type;                 /* Control Block Type                      */
+  U8     mask;                    /* Semaphore token mask                    */
+  U16    tokens;                  /* Semaphore tokens                        */
+  struct OS_TCB *p_lnk;           /* Chain of tasks waiting for tokens       */
+} *P_SCB;
+
+typedef struct OS_MUCB {
+  U8     cb_type;                 /* Control Block Type                      */
+  U8     prio;                    /* Owner task default priority             */
+  U16    level;                   /* Call nesting level                      */
+  struct OS_TCB *p_lnk;           /* Chain of tasks waiting for mutex        */
+  struct OS_TCB *owner;           /* Mutex owner task                        */
+} *P_MUCB;
+
+typedef struct OS_XTMR {
+  struct OS_TMR  *next;
+  U16    tcnt;
+} *P_XTMR;
+
+typedef struct OS_TMR {
+  struct OS_TMR  *next;           /* Link pointer to Next timer              */
+  U16    tcnt;                    /* Timer delay count                       */
+  U16    info;                    /* User defined call info                  */
+} *P_TMR;
+
+typedef struct OS_BM {
+  void *free;                     /* Pointer to first free memory block      */
+  void *end;                      /* Pointer to memory block end             */
+  U32  blk_size;                  /* Memory block size                       */
+} *P_BM;
+
+/* Definitions */
+#define __TRUE          1
+#define __FALSE         0
+#define NULL            ((void *) 0)
+
+#endif
diff --git a/libraries/tests/dsp/cmsis/fir_f32/data.cpp b/libraries/tests/dsp/cmsis/fir_f32/data.cpp
new file mode 100644
index 0000000000..e2e9ad658b
--- /dev/null
+++ b/libraries/tests/dsp/cmsis/fir_f32/data.cpp
@@ -0,0 +1,94 @@
+#include "arm_math.h"
+
+/* ----------------------------------------------------------------------
+** Test input signal contains 1000Hz + 15000 Hz
+** ------------------------------------------------------------------- */
+
+float32_t testInput_f32_1kHz_15kHz[320] =
+{
++0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f, 
++0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f, 
++0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f, 
+-0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f, 
+-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f, 
+-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f, 
++0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f, 
++0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f, 
++0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f, 
++0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f, 
+-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f, 
+-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f, 
++0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f, 
++0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f, 
++0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f, 
++0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f, 
+-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f, 
+-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f, 
+-0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f, 
++0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f, 
++0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f, 
+-0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f, 
+-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f, 
+-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f, 
++0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f, 
++0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f, 
++0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f, 
++0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f, 
+-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f, 
+-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f, 
+-0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f, 
++0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f, 
++0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f, 
++0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f, 
+-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f, 
+-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f, 
+-0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f, 
++0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f, 
++0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f, 
++0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f, 
+};
+
+float32_t refOutput[320] = 
+{
++0.0000000000f, -0.0010797829f, -0.0007681386f, -0.0001982932f, +0.0000644313f, +0.0020854271f, +0.0036891871f, +0.0015855941f, 
+-0.0026280805f, -0.0075907658f, -0.0119390538f, -0.0086665968f, +0.0088981202f, +0.0430539279f, +0.0974468742f, +0.1740405600f, 
++0.2681416601f, +0.3747720089f, +0.4893362230f, +0.6024154672f, +0.7058740791f, +0.7968348987f, +0.8715901940f, +0.9277881093f, 
++0.9682182661f, +0.9934674267f, +1.0012052245f, +0.9925859371f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f, 
++0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, -0.0000000000f, -0.1309866321f, 
+-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f, 
+-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f, 
+-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f, 
++0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f, 
++0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f, 
++0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, -0.0000000000f, -0.1309866321f, 
+-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f, 
+-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f, 
+-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f, 
++0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f, 
++0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f, 
++0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, -0.0000000000f, -0.1309866321f, 
+-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f, 
+-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f, 
+-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f, 
++0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f, 
++0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f, 
++0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, +0.0000000000f, -0.1309866321f, 
+-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f, 
+-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f, 
+-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f, 
++0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f, 
++0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f, 
++0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, +0.0000000000f, -0.1309866321f, 
+-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f, 
+-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f, 
+-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, -0.0000000000f, +0.1309866321f, 
++0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f, 
++0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f, 
++0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, +0.0000000000f, -0.1309866321f, 
+-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f, 
+-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f, 
+-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f, 
++0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f, 
++0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f 
+};
+
diff --git a/libraries/tests/dsp/cmsis/fir_f32/main.cpp b/libraries/tests/dsp/cmsis/fir_f32/main.cpp
new file mode 100644
index 0000000000..990bf7b00c
--- /dev/null
+++ b/libraries/tests/dsp/cmsis/fir_f32/main.cpp
@@ -0,0 +1,65 @@
+#include "arm_math.h" 
+#include "math_helper.h" 
+#include 
+
+#define BLOCK_SIZE          32
+#define NUM_BLOCKS          10
+
+#define TEST_LENGTH_SAMPLES (BLOCK_SIZE * NUM_BLOCKS)
+
+#define SNR_THRESHOLD_F32   140.0f
+#define NUM_TAPS            29
+
+/* -------------------------------------------------------------------
+ * The input signal and reference output (computed with MATLAB)
+ * are defined externally in arm_fir_lpf_data.c.
+ * ------------------------------------------------------------------- */
+extern float32_t testInput_f32_1kHz_15kHz[TEST_LENGTH_SAMPLES]; 
+extern float32_t refOutput[TEST_LENGTH_SAMPLES]; 
+
+/* ------------------------------------------------------------------- 
+ * Declare State buffer of size (numTaps + blockSize - 1)
+ * ------------------------------------------------------------------- */
+static float32_t firStateF32[BLOCK_SIZE + NUM_TAPS - 1]; 
+
+/* ---------------------------------------------------------------------- 
+ * FIR Coefficients buffer generated using fir1() MATLAB function. 
+ * fir1(28, 6/24)
+ * ------------------------------------------------------------------- */ 
+const float32_t firCoeffs32[NUM_TAPS] = { 
+    -0.0018225230f, -0.0015879294f, +0.0000000000f, +0.0036977508f, +0.0080754303f,
+    +0.0085302217f, -0.0000000000f, -0.0173976984f, -0.0341458607f, -0.0333591565f,
+    +0.0000000000f, +0.0676308395f, +0.1522061835f, +0.2229246956f, +0.2504960933f,
+    +0.2229246956f, +0.1522061835f, +0.0676308395f, +0.0000000000f, -0.0333591565f,
+    -0.0341458607f, -0.0173976984f, -0.0000000000f, +0.0085302217f, +0.0080754303f,
+    +0.0036977508f, +0.0000000000f, -0.0015879294f, -0.0018225230f
+};
+
+/* ---------------------------------------------------------------------- 
+ * FIR LPF Example 
+ * ------------------------------------------------------------------- */
+int32_t main(void) { 
+    /* Call FIR init function to initialize the instance structure. */
+    arm_fir_instance_f32 S;
+    arm_fir_init_f32(&S, NUM_TAPS, (float32_t *)&firCoeffs32[0], &firStateF32[0], BLOCK_SIZE); 
+    
+    /* ---------------------------------------------------------------------- 
+     * Call the FIR process function for every blockSize samples  
+     * ------------------------------------------------------------------- */ 
+    for (uint32_t i=0; i < NUM_BLOCKS; i++) {
+        float32_t* signal =  testInput_f32_1kHz_15kHz + (i * BLOCK_SIZE);
+        arm_fir_f32(&S, signal, signal, BLOCK_SIZE);
+    } 
+    
+    /* ---------------------------------------------------------------------- 
+     * Compare the generated output against the reference output computed
+     * in MATLAB.
+     * ------------------------------------------------------------------- */
+    float32_t snr = arm_snr_f32(refOutput, testInput_f32_1kHz_15kHz, TEST_LENGTH_SAMPLES);
+    printf("snr: %f\n\r", snr);
+    if (snr < SNR_THRESHOLD_F32) {
+        printf("Failed\n\r");
+    } else {
+        printf("Success\n\r");
+    }
+} 
diff --git a/libraries/tests/dsp/mbed/fir_f32/main.cpp b/libraries/tests/dsp/mbed/fir_f32/main.cpp
new file mode 100644
index 0000000000..c7c9e4c0cd
--- /dev/null
+++ b/libraries/tests/dsp/mbed/fir_f32/main.cpp
@@ -0,0 +1,53 @@
+#include "mbed.h"
+#include "dsp.h"
+
+#define BLOCK_SIZE              (32)
+#define NUM_BLOCKS              (10)
+#define TEST_LENGTH_SAMPLES     (BLOCK_SIZE * NUM_BLOCKS)
+
+#define SAMPLE_RATE             (48000)
+
+#define SNR_THRESHOLD_F32       (50.0f)
+
+float32_t expected_output[TEST_LENGTH_SAMPLES];
+float32_t          output[TEST_LENGTH_SAMPLES];
+
+/* FIR Coefficients buffer generated using fir1() MATLAB function: fir1(28, 6/24) */
+#define NUM_TAPS            29
+const float32_t firCoeffs32[NUM_TAPS] = { 
+    -0.0018225230f, -0.0015879294f, +0.0000000000f, +0.0036977508f, +0.0080754303f,
+    +0.0085302217f, -0.0000000000f, -0.0173976984f, -0.0341458607f, -0.0333591565f,
+    +0.0000000000f, +0.0676308395f, +0.1522061835f, +0.2229246956f, +0.2504960933f,
+    +0.2229246956f, +0.1522061835f, +0.0676308395f, +0.0000000000f, -0.0333591565f,
+    -0.0341458607f, -0.0173976984f, -0.0000000000f, +0.0085302217f, +0.0080754303f,
+    +0.0036977508f, +0.0000000000f, -0.0015879294f, -0.0018225230f
+};
+#define WARMUP    (NUM_TAPS-1)
+#define DELAY     (WARMUP/2)
+
+int main() {
+    Sine_f32 sine_1KHz(  1000, SAMPLE_RATE, 1.0);
+    Sine_f32 sine_15KHz(15000, SAMPLE_RATE, 0.5);
+    FIR_f32 fir(firCoeffs32);
+    
+    float32_t buffer_a[BLOCK_SIZE];
+    float32_t buffer_b[BLOCK_SIZE];
+    for (float32_t *sgn=output; sgn<(output+TEST_LENGTH_SAMPLES); sgn += BLOCK_SIZE) {
+        sine_1KHz.generate(buffer_a);           // Generate a 1KHz sine wave
+        sine_15KHz.process(buffer_a, buffer_b); // Add a 15KHz sine wave
+        fir.process(buffer_b, sgn);             // FIR low pass filter: 6KHz cutoff
+    }
+    
+    sine_1KHz.reset();
+    for (float32_t *sgn=expected_output; sgn<(expected_output+TEST_LENGTH_SAMPLES); sgn += BLOCK_SIZE) {
+        sine_1KHz.generate(sgn);        // Generate a 1KHz sine wave
+    }
+    
+    float snr = arm_snr_f32(&expected_output[DELAY-1], &output[WARMUP-1], TEST_LENGTH_SAMPLES-WARMUP);
+    printf("snr: %f\n\r", snr);
+    if (snr < SNR_THRESHOLD_F32) {
+        printf("Failed\n\r");
+    } else {
+        printf("Success\n\r");
+    }
+}
diff --git a/libraries/tests/export/mcb1700/main.cpp b/libraries/tests/export/mcb1700/main.cpp
new file mode 100644
index 0000000000..395eac0f48
--- /dev/null
+++ b/libraries/tests/export/mcb1700/main.cpp
@@ -0,0 +1,24 @@
+#include "mbed.h"
+
+BusOut leds(P1_28, P1_29, P1_31, P2_2, P2_3, P2_4, P2_5, P2_6);
+AnalogIn in(P0_25);
+
+int main() {
+    while (true) {
+        float value = 8.0 * in.read();
+        printf("analog in: %f\n\r", value);
+        
+        int led_mask = 0;
+        if (value > 0.5) led_mask |= 1 << 0;
+        if (value > 1.5) led_mask |= 1 << 1;
+        if (value > 2.5) led_mask |= 1 << 2;
+        if (value > 3.5) led_mask |= 1 << 3;
+        if (value > 4.5) led_mask |= 1 << 4;
+        if (value > 5.5) led_mask |= 1 << 5;
+        if (value > 6.5) led_mask |= 1 << 6;
+        if (value > 7.5) led_mask |= 1 << 7;
+        leds = led_mask;
+        
+        wait(1);
+    }
+}
diff --git a/libraries/tests/mbed/analog/main.cpp b/libraries/tests/mbed/analog/main.cpp
new file mode 100644
index 0000000000..ca91d23b6d
--- /dev/null
+++ b/libraries/tests/mbed/analog/main.cpp
@@ -0,0 +1,26 @@
+#include "test_env.h"
+
+AnalogIn in(p17);
+AnalogOut out(p18);
+
+#define ERROR_TOLLERANCE    0.05
+
+int main() {
+    bool check = true;
+    
+    for (float out_value=0.0; out_value<1.1; out_value+=0.1) {
+        out.write(out_value);
+        wait(0.1);
+        
+        float in_value = in.read();
+        float diff = fabs(out_value - in_value);
+        if (diff > ERROR_TOLLERANCE) {
+            check = false;
+            printf("ERROR (out:%.4f) - (in:%.4f) = (%.4f)"NL, out_value, in_value, diff);
+        } else {
+            printf("OK    (out:%.4f) - (in:%.4f) = (%.4f)"NL, out_value, in_value, diff);
+        }
+    }
+    
+    notify_completion(check);
+}
diff --git a/libraries/tests/mbed/basic/main.cpp b/libraries/tests/mbed/basic/main.cpp
new file mode 100644
index 0000000000..2eab829b21
--- /dev/null
+++ b/libraries/tests/mbed/basic/main.cpp
@@ -0,0 +1,5 @@
+#include "test_env.h"
+
+int main() {
+    notify_completion(true);
+}
diff --git a/libraries/tests/mbed/cpp/main.cpp b/libraries/tests/mbed/cpp/main.cpp
new file mode 100644
index 0000000000..cf370dee5b
--- /dev/null
+++ b/libraries/tests/mbed/cpp/main.cpp
@@ -0,0 +1,71 @@
+#include "test_env.h"
+
+#define CHECK    0xF0F0F0F0
+
+class Test {
+
+private:
+    char* name;
+    int i;
+
+public:
+    Test(char *name) {
+        this->i = 0xF0F0F0F0;
+        this->name = name;
+        this->print("init");
+    }
+    
+    void print(char *message) {
+        printf("%s::%s\n", this->name, message);
+    }
+    
+    void check_init(void) {
+        if (this->i == CHECK) {
+            this->print("check_init: OK");
+        } else {
+            this->print("check_init: ERROR");
+            notify_completion(false);
+        }
+    }
+    
+    void stack_test(void) {
+        this->print("stack_test");
+        Test t("Stack");
+        t.hello();
+    }
+    
+    void hello(void) {
+        this->print("hello");
+    }
+    
+    ~Test() {
+        this->print("destroy");
+    }
+};
+
+/* Check C++ startup initialisation */
+Test s("Static");
+
+/* EXPECTED OUTPUT:
+*******************
+Static::init
+Static::stack_test
+Stack::init
+Stack::hello
+Stack::destroy
+Static::check_init: OK
+Heap::init
+Heap::hello
+Heap::destroy
+*******************/
+int main (void) {
+    s.stack_test();
+    s.check_init();
+    
+    /* Heap Test */
+    Test *m = new Test("Heap");
+    m->hello();
+    delete m;
+    
+    notify_completion(true);
+}
diff --git a/libraries/tests/mbed/dev_null/main.cpp b/libraries/tests/mbed/dev_null/main.cpp
new file mode 100644
index 0000000000..eeaf5ecba2
--- /dev/null
+++ b/libraries/tests/mbed/dev_null/main.cpp
@@ -0,0 +1,26 @@
+#include "mbed.h"
+
+class DevNull : public Stream {
+
+public:
+    DevNull(const char *name=NULL) : Stream(name) {}
+
+protected:
+    virtual int _getc()      {return 0;}
+    virtual int _putc(int c) {return c;}
+};
+
+DevNull null("null");
+
+int main() {
+    printf("re-routing stdout to /null\n");
+    
+    freopen("/null", "w", stdout);
+    printf("printf redirected to /null\n");
+    
+    DigitalOut led(LED1);
+    while (true) {
+        led = !led;
+        wait(1);
+    }
+}
diff --git a/libraries/tests/mbed/digitalin_digitalout/main.cpp b/libraries/tests/mbed/digitalin_digitalout/main.cpp
new file mode 100644
index 0000000000..0122235b2d
--- /dev/null
+++ b/libraries/tests/mbed/digitalin_digitalout/main.cpp
@@ -0,0 +1,21 @@
+#include "test_env.h"
+
+DigitalOut out(p5);
+DigitalIn   in(p25);
+
+int main() {
+    out = 0;
+    wait(0.1);
+    if (in != 0) {
+        printf("ERROR: in != 0\n");
+        notify_completion(false);
+    }
+    out = 1;
+    wait(0.1);
+    if (in != 1) {
+        printf("ERROR: in != 1\n");
+        notify_completion(false);
+    }
+    
+    notify_completion(true);
+}
diff --git a/libraries/tests/mbed/digitalinout/main.cpp b/libraries/tests/mbed/digitalinout/main.cpp
new file mode 100644
index 0000000000..a765df8e3d
--- /dev/null
+++ b/libraries/tests/mbed/digitalinout/main.cpp
@@ -0,0 +1,21 @@
+#include "test_env.h"
+
+DigitalInOut d1(p5);
+DigitalInOut d2(p25);
+
+int main() {
+    bool check = true;
+    
+    
+    d1.output();
+    d2.input();
+    d1 = 1; wait(0.1); if (d2 != 1) check = false;
+    d1 = 0; wait(0.1);  if (d2 != 0) check = false;
+    
+    d1.input();
+    d2.output();
+    d2 = 1; wait(0.1); if (d1 != 1) check = false;
+    d2 = 0; wait(0.1); if (d1 != 0) check = false;
+    
+    notify_completion(check);
+}
diff --git a/libraries/tests/mbed/dir/main.cpp b/libraries/tests/mbed/dir/main.cpp
new file mode 100644
index 0000000000..dc642cd640
--- /dev/null
+++ b/libraries/tests/mbed/dir/main.cpp
@@ -0,0 +1,78 @@
+#include "mbed.h"
+
+void led_blink(PinName led) {
+    DigitalOut myled(led);
+    while (1) {
+        myled = !myled;
+        wait(1.0);
+    }
+}
+
+void notify_completion(bool success) {
+    if (success) {
+        printf("{success}\n");
+    } else {
+        printf("{failure}\n");
+    }
+    
+    printf("{end}\n");
+    led_blink(success ? LED1 : LED4);
+}
+
+#define TEST_STRING   "Hello World!"
+
+FILE* test_open(char* path, const char* mode) {
+    FILE *f;
+    f = fopen(path, mode);
+    if (f == NULL) {
+        printf("Error opening file\n");
+        notify_completion(false);
+    }
+    
+    return f;
+}
+
+void test_write(FILE* f, const char* str) {
+    int n = fprintf(f, str);
+    if (n != strlen(str)) {
+        printf("Error writing file\n");
+        notify_completion(false);
+    }
+}
+
+void test_close(FILE* f) {
+    int rc = fclose(f);
+    if (rc != 0) {
+        printf("Error closing file\n");
+        notify_completion(false);
+    }
+}
+
+int main() {
+    LocalFileSystem local("local");
+    
+    FILE *f;
+    char* str = TEST_STRING;
+    char* buffer = (char*) malloc(sizeof(unsigned char)*strlen(TEST_STRING));
+    int str_len = strlen(TEST_STRING);
+    
+    printf("Write files\n");
+    char filename[32];
+    for (int i=0; i<10; i++) {
+        sprintf(filename, "/local/test_%d.txt", i);
+        printf("Creating file: %s\n", filename);
+        f = test_open(filename, "w");
+        test_write(f, str);
+        test_close(f);
+    }
+    
+    printf("List files:\n");
+    DIR *d = opendir("/local");
+    struct dirent *p;
+    while((p = readdir(d)) != NULL) {
+        printf("%s\n", p->d_name);
+    }
+    closedir(d);
+    
+    notify_completion(true);
+}
diff --git a/libraries/tests/mbed/dir_sd/main.cpp b/libraries/tests/mbed/dir_sd/main.cpp
new file mode 100644
index 0000000000..48e468a5aa
--- /dev/null
+++ b/libraries/tests/mbed/dir_sd/main.cpp
@@ -0,0 +1,84 @@
+#include "mbed.h"
+#include "SDFileSystem.h"
+
+void led_blink(PinName led) {
+    DigitalOut myled(led);
+    while (1) {
+        myled = !myled;
+        wait(1.0);
+    }
+}
+
+void notify_completion(bool success) {
+    if (success) {
+        printf("{success}\n");
+    } else {
+        printf("{failure}\n");
+    }
+    
+    printf("{end}\n");
+    led_blink(success ? LED1 : LED4);
+}
+
+#define TEST_STRING   "Hello World!"
+
+FILE* test_open(char* path, const char* mode) {
+    FILE *f;
+    f = fopen(path, mode);
+    if (f == NULL) {
+        printf("Error opening file\n");
+        notify_completion(false);
+    }
+    
+    return f;
+}
+
+void test_write(FILE* f, const char* str) {
+    int n = fprintf(f, str);
+    if (n != strlen(str)) {
+        printf("Error writing file\n");
+        notify_completion(false);
+    }
+}
+
+void test_close(FILE* f) {
+    int rc = fclose(f);
+    if (rc != 0) {
+        printf("Error closing file\n");
+        notify_completion(false);
+    }
+}
+
+int main() {
+    SDFileSystem sd(p11, p12, p13, p14, "sd");
+    
+    FILE *f;
+    char* str = TEST_STRING;
+    char* buffer = (char*) malloc(sizeof(unsigned char)*strlen(TEST_STRING));
+    int str_len = strlen(TEST_STRING);
+    
+    printf("Write files\n");
+    char filename[32];
+    for (int i=0; i<10; i++) {
+        sprintf(filename, "/sd/test_%d.txt", i);
+        printf("Creating file: %s\n", filename);
+        f = test_open(filename, "w");
+        test_write(f, str);
+        test_close(f);
+    }
+    
+    printf("List files:\n");
+    DIR *d = opendir("/sd");
+    if (d == NULL) {
+        printf("Error opening directory\n");
+        notify_completion(false);
+    }
+    
+    struct dirent *p;
+    while((p = readdir(d)) != NULL) {
+        printf("%s\n", p->d_name);
+    }
+    closedir(d);
+    
+    notify_completion(true);
+}
diff --git a/libraries/tests/mbed/echo/main.cpp b/libraries/tests/mbed/echo/main.cpp
new file mode 100644
index 0000000000..20c702bb34
--- /dev/null
+++ b/libraries/tests/mbed/echo/main.cpp
@@ -0,0 +1,14 @@
+#include "mbed.h"
+
+int main() {
+    char buf[256];
+    
+    Serial pc(USBTX, USBRX);
+    pc.baud(115200);
+    
+    while (1) {
+        pc.gets(buf, 256);
+        
+        pc.printf("%s", buf);
+    }
+}
diff --git a/libraries/tests/mbed/env/test_env.cpp b/libraries/tests/mbed/env/test_env.cpp
new file mode 100644
index 0000000000..ee25c94711
--- /dev/null
+++ b/libraries/tests/mbed/env/test_env.cpp
@@ -0,0 +1,20 @@
+#include "test_env.h"
+
+void led_blink(PinName led) {
+    DigitalOut myled(led);
+    while (1) {
+        myled = !myled;
+        wait(1.0);
+    }
+}
+
+void notify_completion(bool success) {
+    if (success) {
+        printf("{success}"NL);
+    } else {
+        printf("{failure}"NL);
+    }
+    
+    printf("{end}"NL);
+    led_blink(success?LED1:LED4);
+}
diff --git a/libraries/tests/mbed/env/test_env.h b/libraries/tests/mbed/env/test_env.h
new file mode 100644
index 0000000000..debdfc7c29
--- /dev/null
+++ b/libraries/tests/mbed/env/test_env.h
@@ -0,0 +1,13 @@
+#ifndef TEST_ENV_H_
+#define TEST_ENV_H_
+
+#include 
+#include "mbed.h"
+
+#define NL     "\n"
+
+void led_blink(void);
+
+void notify_completion(bool success);
+
+#endif
diff --git a/libraries/tests/mbed/file/main.cpp b/libraries/tests/mbed/file/main.cpp
new file mode 100644
index 0000000000..992f936579
--- /dev/null
+++ b/libraries/tests/mbed/file/main.cpp
@@ -0,0 +1,73 @@
+#include "test_env.h"
+#include "semihost_api.h"
+
+
+Serial pc(USBTX, USBRX);
+
+#define FILENAME      "/local/out.txt"
+#define TEST_STRING   "Hello World!"
+
+FILE* test_open(const char* mode) {
+    FILE *f;
+    f = fopen(FILENAME, mode);
+    if (f == NULL) {
+        printf("Error opening file"NL);
+        notify_completion(false);
+    }
+    
+    return f;
+}
+
+void test_write(FILE* f, char* str, int str_len) {
+    int n = fprintf(f, str);
+    if (n != str_len) {
+        printf("Error writing file"NL);
+        notify_completion(false);
+    }
+}
+
+void test_read(FILE* f, char* str, int str_len) {
+    int n = fread(str, sizeof(unsigned char), str_len, f);
+    if (n != str_len) {
+        printf("Error reading file"NL);
+        notify_completion(false);
+    }
+}
+
+void test_close(FILE* f) {
+    int rc = fclose(f);
+    if (rc != 0) {
+        printf("Error closing file"NL);
+        notify_completion(false);
+    }
+}
+
+int main() {
+    pc.printf("Test the Stream class\n");
+    
+    printf("connected: %s\n", (semihost_connected()) ? ("Yes") : ("No"));
+    
+    char mac[16];
+    mbed_mac_address(mac); 
+    printf("mac address: %02x,%02x,%02x,%02x,%02x,%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); 
+    
+    LocalFileSystem local("local");
+    
+    FILE *f;
+    char* str = TEST_STRING;
+    char* buffer = (char*) malloc(sizeof(unsigned char)*strlen(TEST_STRING));
+    int str_len = strlen(TEST_STRING);
+    
+    // Write
+    f = test_open("w");
+    test_write(f, str, str_len);
+    test_close(f);
+    
+    // Read
+    f = test_open("r");
+    test_read(f, buffer, str_len);
+    test_close(f);
+    
+    // Check the two strings are equal
+    notify_completion((strncmp(buffer, str, str_len) == 0));
+}
diff --git a/libraries/tests/mbed/freopen/TextDisplay.cpp b/libraries/tests/mbed/freopen/TextDisplay.cpp
new file mode 100644
index 0000000000..4076addae6
--- /dev/null
+++ b/libraries/tests/mbed/freopen/TextDisplay.cpp
@@ -0,0 +1,57 @@
+/* mbed TextDisplay Display Library Base Class
+ * Copyright (c) 2007-2009 sford
+ * Released under the MIT License: http://mbed.org/license/mit
+ */
+ 
+#include "TextDisplay.h"
+
+TextDisplay::TextDisplay(const char *name) : Stream(name) {
+    _row = 0;
+    _column = 0;
+}
+    
+int TextDisplay::_putc(int value) {
+    if(value == '\n') {
+        _column = 0;
+        _row++;
+        if(_row >= rows()) {
+            _row = 0;
+        }
+    } else {
+        character(_column, _row, value);
+        _column++;
+        if(_column >= columns()) {
+            _column = 0;
+            _row++;
+            if(_row >= rows()) {
+                _row = 0;
+            }
+        }
+    }
+    return value;
+}
+
+// crude cls implementation, should generally be overwritten in derived class
+void TextDisplay::cls() {
+    locate(0, 0);
+    for(int i=0; i> 4;
+    wait(0.000040f); // most instructions take 40us
+    _e = 0;
+    wait(0.000040f);  
+    _e = 1;    
+    _d = value >> 0;
+    wait(0.000040f);
+    _e = 0;
+    wait(0.000040f);  // most instructions take 40us
+    _e = 1;    
+}
+
+void TextLCD::writeCommand(int command) {
+    _rs = 0;
+    writeByte(command);
+}
+
+void TextLCD::writeData(int data) {
+    _rs = 1;
+    writeByte(data);
+}
diff --git a/libraries/tests/mbed/freopen/TextLCD.h b/libraries/tests/mbed/freopen/TextLCD.h
new file mode 100644
index 0000000000..22f986f6eb
--- /dev/null
+++ b/libraries/tests/mbed/freopen/TextLCD.h
@@ -0,0 +1,30 @@
+/* mbed TextLCD Library Base Class
+ * Copyright (c) 2007-2009 sford
+ * Released under the MIT License: http://mbed.org/license/mit
+ */
+#include "TextDisplay.h"
+
+#ifndef MBED_TEXTLCD_H
+#define MBED_TEXTLCD_H
+
+class TextLCD : public TextDisplay {
+public:
+
+    TextLCD(PinName rs, PinName rw, PinName e, PinName d0, PinName d1, PinName d2, PinName d3, const char *name = NULL);
+    virtual void character(int column, int row, int c);
+    virtual int rows(); 
+    virtual int columns();  
+
+    // locate, cls, putc, printf come from derived class
+    
+protected:
+
+    void writeByte(int value);
+    void writeCommand(int command);
+    void writeData(int data);
+
+    DigitalOut _rw, _rs, _e;
+    BusOut _d;
+};
+
+#endif
diff --git a/libraries/tests/mbed/freopen/main.cpp b/libraries/tests/mbed/freopen/main.cpp
new file mode 100644
index 0000000000..795fad6f23
--- /dev/null
+++ b/libraries/tests/mbed/freopen/main.cpp
@@ -0,0 +1,30 @@
+#include "mbed.h"
+#include "TextLCD.h"
+
+int main() {
+    printf("printf to stdout\n");
+    
+    // printf to specific peripherals
+    Serial pc(USBTX, USBRX);
+    pc.printf("Serial(USBTX, USBRX).printf\n");
+    
+    TextLCD lcd(p14, p15, p16, p17, p18, p19, p20, "lcd"); // rs, rw, e, d0-d3, name
+    lcd.printf("TextLCD.printf\n");
+    
+    // change stdout to file
+    LocalFileSystem local("local");
+    freopen("/local/output.txt", "w", stdout);
+    printf("printf redirected to LocalFileSystem\n");
+    fclose(stdout);
+    
+    // change stdout to LCD
+    freopen("/lcd", "w", stdout);
+    printf("printf redirected to TextLCD\n");
+    fclose(stdout);
+    
+    DigitalOut led(LED1);
+    while (true) {
+        led = !led;
+        wait(1);
+    }
+}
diff --git a/libraries/tests/mbed/heap_and_stack/main.cpp b/libraries/tests/mbed/heap_and_stack/main.cpp
new file mode 100644
index 0000000000..fd1974b05b
--- /dev/null
+++ b/libraries/tests/mbed/heap_and_stack/main.cpp
@@ -0,0 +1,71 @@
+#include "test_env.h"
+
+static char *initial_stack_p;
+static char *initial_heap_p;
+
+static char line[256];
+static unsigned int iterations = 0;
+
+void report_iterations(void) {
+    unsigned int tot = (0x100 * iterations)*2;
+    printf("\nAllocated (%d)Kb in (%u) iterations\n", tot/1024, iterations);
+    printf("%.2f\n", ((float)(tot)/(float)(initial_stack_p - initial_heap_p))*100.);
+#ifdef TOOLCHAIN_ARM
+    __heapvalid((__heapprt) fprintf, stdout, 1);
+#endif
+}
+
+void stack_test(char *latest_heap_pointer) {
+    char stack_line[256];
+    iterations++;
+    
+    sprintf(stack_line, "\nstack pointer: %p", &stack_line[255]);
+    puts(stack_line);
+    
+    char *heap_pointer = (char*)malloc(0x100);
+    
+    if (heap_pointer == NULL) {
+        int diff = (&stack_line[255] - latest_heap_pointer);
+        if (diff > 0x200) {
+            sprintf(stack_line, "\n[WARNING] Malloc failed to allocate memory too soon. There are (0x%x) free bytes", diff);
+            report_iterations();
+            puts(stack_line);
+        } else {
+            puts("\n[SUCCESS] Stack/Heap collision detected");
+            report_iterations();
+        }
+        return;
+    } else {
+        heap_pointer += 0x100;
+        sprintf(line, "heap pointer: %p", heap_pointer);
+        puts(line);
+    }
+    
+    if ((&stack_line[255]) > heap_pointer) {
+        stack_test(heap_pointer);
+    } else {
+        puts("\n[WARNING] The Stack/Heap collision was not detected");
+        report_iterations();
+    }
+}
+
+
+int main (void) {
+    char c;
+    initial_stack_p = &c;
+    
+    initial_heap_p = (char*)malloc(1);
+    if (initial_heap_p == NULL) {
+        printf("Unable to malloc a single byte\n");
+        notify_completion(false);
+    }
+    
+    printf("Initial stack/heap geometry:\n");
+    printf("   stack pointer:V %p\n", initial_stack_p);
+    printf("   heap pointer :^ %p\n", initial_heap_p);
+    
+    initial_heap_p++;
+    stack_test(initial_heap_p);
+    
+    notify_completion(true);
+}
diff --git a/libraries/tests/mbed/hello/main.cpp b/libraries/tests/mbed/hello/main.cpp
new file mode 100644
index 0000000000..f354b4a871
--- /dev/null
+++ b/libraries/tests/mbed/hello/main.cpp
@@ -0,0 +1,12 @@
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+
+int main() {
+    printf("Hello World\n");
+    
+    while (true) {
+        wait(0.5);
+        myled = !myled;
+    }
+}
diff --git a/libraries/tests/mbed/i2c_SRF08/main.cpp b/libraries/tests/mbed/i2c_SRF08/main.cpp
new file mode 100644
index 0000000000..7923e926ff
--- /dev/null
+++ b/libraries/tests/mbed/i2c_SRF08/main.cpp
@@ -0,0 +1,15 @@
+#include "mbed.h"
+#include "SRF08.h"
+
+DigitalOut led(LED1);
+
+SRF08 srf08(p28, p27, 0xE0); // SDA, SCL pin and I2C address
+
+int main() {
+    printf("started\n");
+    while (1) {
+       printf("Measured range : %.2f cm\n",srf08.read());
+       wait(1.0);
+       led = !led;
+    }
+}
diff --git a/libraries/tests/mbed/i2c_TMP102/main.cpp b/libraries/tests/mbed/i2c_TMP102/main.cpp
new file mode 100644
index 0000000000..f1327abf47
--- /dev/null
+++ b/libraries/tests/mbed/i2c_TMP102/main.cpp
@@ -0,0 +1,17 @@
+#include "test_env.h"
+#include "TMP102.h"
+
+TMP102 temperature(p28, p27, 0x90);
+
+int main() {
+    float t = temperature.read();
+    printf("Temperature: %f\n\r", t);
+    
+    // In our test environment (ARM office) we should get a temperature within
+    // the range ]15, 30[C
+    if ((t > 15.0) && (t < 30.0)) {
+        notify_completion(true);
+    } else {
+        notify_completion(false);
+    }
+}
diff --git a/libraries/tests/mbed/i2c_mma7660/main.cpp b/libraries/tests/mbed/i2c_mma7660/main.cpp
new file mode 100644
index 0000000000..26227ea871
--- /dev/null
+++ b/libraries/tests/mbed/i2c_mma7660/main.cpp
@@ -0,0 +1,17 @@
+#include "mbed.h"
+#include "test_env.h"
+#include "MMA7660.h"
+
+MMA7660 MMA(p28, p27);
+
+int main() {
+    if (!MMA.testConnection())
+        notify_completion(false);
+
+    for(int i = 0; i < 5; i++) {
+        printf("x: %f, y: %f, z: %f\r\n", MMA.x(), MMA.y(), MMA.z());
+        wait(0.2);
+    }
+
+    notify_completion(true);
+}
diff --git a/libraries/tests/mbed/interruptin/main.cpp b/libraries/tests/mbed/interruptin/main.cpp
new file mode 100644
index 0000000000..71514cddba
--- /dev/null
+++ b/libraries/tests/mbed/interruptin/main.cpp
@@ -0,0 +1,61 @@
+#include "test_env.h"
+
+DigitalOut myled(LED1);
+DigitalOut led2(LED2);
+
+volatile int checks = 0;
+void in_handler() {
+    checks++;
+    led2 = !led2;
+}
+
+#define PIN_IN      (p5)
+#define PIN_OUT     (p25)
+
+DigitalOut out(PIN_OUT);
+InterruptIn in(PIN_IN);
+
+void flipper() {
+    for (int i = 0; i < 5; i++) {
+        out = 1; myled = 1; wait(0.2);
+        
+        out = 0; myled = 0; wait(0.2);
+    }
+}
+
+int main() {
+    out = 0; myled = 0;
+    
+    //Test falling edges first
+    in.rise(NULL);
+    in.fall(in_handler);
+    flipper();
+    
+    if(checks != 5) {
+        printf("falling edges test failed\n");
+        notify_completion(false);
+    }
+    
+    //Now test rising edges
+    in.rise(in_handler);
+    in.fall(NULL);
+    flipper();
+    
+    if (checks != 10) {
+        printf("raising edges test failed\n");
+        notify_completion(false);
+    }
+    
+    //Finally test both
+    in.rise(in_handler);
+    in.fall(in_handler);
+    flipper();
+    
+    if (checks != 20) {
+        printf("Simultaneous rising and falling edges failed\n");
+        notify_completion(false);
+    }
+    
+    notify_completion(true);
+    return 0;
+}
diff --git a/libraries/tests/mbed/interruptin_2/main.cpp b/libraries/tests/mbed/interruptin_2/main.cpp
new file mode 100644
index 0000000000..4fb1df5f72
--- /dev/null
+++ b/libraries/tests/mbed/interruptin_2/main.cpp
@@ -0,0 +1,35 @@
+#include "mbed.h"
+ 
+InterruptIn button(p30);
+InterruptIn button1(p29);
+InterruptIn button2(p28);
+InterruptIn button3(p27);
+InterruptIn button4(p26);
+InterruptIn button5(p25);
+InterruptIn button6(p24);
+InterruptIn button7(p23);
+InterruptIn button8(p22);
+InterruptIn button9(p21);
+DigitalOut led(LED1);
+DigitalOut flash(LED4);
+ 
+void flip() {
+    led = !led;
+}
+ 
+int main() {
+    button.rise(&flip);  // attach the address of the flip function to the rising edge
+    button1.rise(&flip);
+    button2.rise(&flip);
+    button3.rise(&flip);
+    button4.rise(&flip);
+    button5.rise(&flip);
+    button6.rise(&flip);
+    button7.rise(&flip);
+    button8.rise(&flip);
+    button9.rise(&flip);
+    while(1) {           // wait around, interrupts will interrupt this!
+        flash = !flash;
+        wait(0.25);
+    }
+}
diff --git a/libraries/tests/mbed/modserial/main.cpp b/libraries/tests/mbed/modserial/main.cpp
new file mode 100644
index 0000000000..a16abcf811
--- /dev/null
+++ b/libraries/tests/mbed/modserial/main.cpp
@@ -0,0 +1,115 @@
+/*
+ * To run this test program, link p9 to p10 so the Serial loops
+ * back and receives characters it sends.
+ */
+#include "mbed.h"
+#include "MODSERIAL.h"
+
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+MODSERIAL pc(USBTX, USBRX);
+
+/*
+ * As experiement, you can define MODSERIAL as show here and see what
+ * effects it has on the LEDs.
+ *
+ * MODSERIAL uart(TX_PIN, RX_PIN, 512);
+ *   With this, the 512 characters sent can straight into the buffer
+ *   vary quickly. This means LED1 is only on briefly as the TX buffer
+ *   fills.
+ *
+ * MODSERIAL uart(TX_PIN, RX_PIN, 32);
+ *   With this, the buffer is smaller than the default 256 bytes and
+ *   therefore LED1 stays on much longer while the system waits for
+ *   room in the TX buffer.
+ */
+MODSERIAL uart(p9, p10);
+
+// This function is called when a character goes from the TX buffer
+// to the Uart THR FIFO register.
+void txCallback(MODSERIAL_IRQ_INFO *q) {
+    led2 = !led2;
+}
+
+// This function is called when TX buffer goes empty
+void txEmpty(MODSERIAL_IRQ_INFO *q) {
+    led2 = 0;
+    pc.puts(" Done. ");
+}
+
+// This function is called when a character goes into the RX buffer.
+void rxCallback(MODSERIAL_IRQ_INFO *q) {
+    led3 = !led3;
+    pc.putc(uart.getc());
+}
+
+int main() {
+    int c = 'A';
+    
+    // Ensure the baud rate for the PC "USB" serial is much
+    // higher than "uart" baud rate below. (default: 9600)
+    // pc.baud(9600);
+    
+    // Use a deliberatly slow baud to fill up the TX buffer
+    uart.baud(1200);
+    
+    uart.attach(&txCallback, MODSERIAL::ModTxIrq);
+    uart.attach(&rxCallback, MODSERIAL::ModRxIrq);
+    uart.attach(&txEmpty,    MODSERIAL::ModTxEmpty);
+    
+    // Loop sending characters. We send 512
+    // which is twice the default TX/RX buffer size.
+    
+    led1 = 1; // Show start of sending with LED1.
+    
+    for (int loop = 0; loop < 512; loop++) {
+        uart.printf("%c", c);        
+        c++;
+        if (c > 'Z') c = 'A';
+    }
+    
+    led1 = 0; // Show the end of sending by switching off LED1.
+    
+    // End program. Flash LED4. Notice how LED 2 and 3 continue
+    // to flash for a short period while the interrupt system 
+    // continues to send the characters left in the TX buffer.
+    
+    while(1) {
+        led4 = !led4;
+        wait(0.25);
+    }
+}
+
+/*
+ * Notes. Here is the sort of output you can expect on your PC/Mac/Linux host
+ * machine that is connected to the "pc" USB serial port.
+ *
+ * ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUV
+ * WXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQR
+ * STUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMN
+ * OPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJ
+ * KLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEF
+ * GHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZAB
+ * CDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQ Done. R
+ *
+ * Of interest is that last "R" character after the system has said "Done."
+ * This comes from the fact that the TxEmpty callback is made when the TX buffer
+ * becomes empty. MODSERIAL makes use of the fact that the Uarts built into the 
+ * LPC17xx device use a 16 byte FIFO on both RX and TX channels. This means that
+ * when the TxEmpty callback is made, the TX buffer is empty, but that just means
+ * the "last few characters" were written to the TX FIFO. So although the TX
+ * buffer has gone empty, the Uart's transmit system is still sending any remaining
+ * characters from it's TX FIFO. If you want to be truely sure all the characters
+ * you have sent have left the Mbed then call txIsBusy(); This function will
+ * return true if characters are still being sent. If it returns false after
+ * the Tx buffer is empty then all your characters have been sent.
+ *
+ * In a similar way, when characters are received into the RX FIFO, the entire
+ * FIFO contents is moved to the RX buffer, assuming there is room left in the
+ * RX buffer. If there is not, any remaining characters are left in the RX FIFO
+ * and will be moved to the RX buffer on the next interrupt or when the running 
+ * program removes a character(s) from the RX buffer with the getc() method.
+ */
diff --git a/libraries/tests/mbed/portinout/main.cpp b/libraries/tests/mbed/portinout/main.cpp
new file mode 100644
index 0000000000..bc26483138
--- /dev/null
+++ b/libraries/tests/mbed/portinout/main.cpp
@@ -0,0 +1,51 @@
+#include "test_env.h"
+
+#if defined(TARGET_LPC11U24)
+#define P1_1    (1 <<  9) // p0.9
+#define P1_2    (1 <<  8) // p0.8
+#define PORT_1  Port0
+
+#define P2_1    (1 << 24) // p1.24
+#define P2_2    (1 << 25) // p1.25
+#define PORT_2  Port1
+
+#elif defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+#define P1_1    (1 << 9)  // p0.9  -> p5
+#define P1_2    (1 << 8)  // p0.8  -> p6
+#define PORT_1  Port0
+
+#define P2_1    (1 << 1)  // p2.1 -> p25
+#define P2_2    (1 << 0)  // p2.0 -> p26
+#define PORT_2  Port2
+
+#endif
+
+#define MASK_1   (P1_1 | P1_2)
+#define MASK_2   (P2_1 | P2_2)
+
+PortInOut p1(PORT_1, MASK_1);
+PortInOut p2(PORT_2, MASK_2);
+
+int main() {
+    bool check = true;
+    
+    p1.output();
+    p2.input();
+    
+    p1 = MASK_1; wait(0.1);
+    if (p2 != MASK_2) check = false;
+    
+    p1 = 0; wait(0.1);
+    if (p2 != 0) check = false;
+    
+    p1.input();
+    p2.output();
+    
+    p2 = MASK_2; wait(0.1);
+    if (p1 != MASK_1) check = false;
+    
+    p2 = 0; wait(0.1);
+    if (p1 != 0) check = false;
+    
+    notify_completion(check);
+}
diff --git a/libraries/tests/mbed/portout/main.cpp b/libraries/tests/mbed/portout/main.cpp
new file mode 100644
index 0000000000..cfb64b5c48
--- /dev/null
+++ b/libraries/tests/mbed/portout/main.cpp
@@ -0,0 +1,33 @@
+#include "mbed.h"
+
+# if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+#     define LED1   (1 << 18) // P1.18
+#     define LED2   (1 << 20) // P1.20
+#     define LED3   (1 << 21) // P1.21
+#     define LED4   (1 << 23) // P1.23
+# elif defined(TARGET_LPC11U24)
+#     define LED1   (1 <<  8) // P1.8
+#     define LED2   (1 <<  9) // P1.9 
+#     define LED3   (1 << 10) // P1.10
+#     define LED4   (1 << 11) // P1.11
+# endif
+
+#define LED_MASK    (LED1|LED2|LED3|LED4)
+
+int mask[4] = {
+    (LED1 | LED3),
+    (LED2 | LED4),
+    (LED1 | LED2),
+    (LED3 | LED4)
+};
+
+PortOut ledport(Port1, LED_MASK);
+
+int main() {
+    while (1) {
+        for (int i=0; i<4; i++) {
+            ledport = mask[i];
+            wait(1);
+        }
+    }
+}
diff --git a/libraries/tests/mbed/portout_portin/main.cpp b/libraries/tests/mbed/portout_portin/main.cpp
new file mode 100644
index 0000000000..ce7b75b71a
--- /dev/null
+++ b/libraries/tests/mbed/portout_portin/main.cpp
@@ -0,0 +1,47 @@
+#include "test_env.h"
+
+#if defined(TARGET_LPC11U24)
+#define P1_1    (1 <<  9) // p0.9
+#define P1_2    (1 <<  8) // p0.8
+#define PORT_1  Port0
+
+#define P2_1    (1 << 24) // p1.24
+#define P2_2    (1 << 25) // p1.25
+#define PORT_2  Port1
+
+#elif defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+#define P1_1    (1 << 9)  // p0.9  -> p5
+#define P1_2    (1 << 8)  // p0.8  -> p6
+#define PORT_1  Port0
+
+#define P2_1    (1 << 1)  // p2.1 -> p25
+#define P2_2    (1 << 0)  // p2.0 -> p26
+#define PORT_2  Port2
+
+#endif
+
+#define MASK_1   (P1_1 | P1_2)
+#define MASK_2   (P2_1 | P2_2)
+
+PortOut port_out(PORT_1, MASK_1);
+PortIn  port_in (PORT_2, MASK_2);
+
+int main() {
+    port_out = MASK_1;
+    wait(0.1);
+    int value = port_in.read();
+    if (value != MASK_2) {
+        printf("[Test high] expected (0x%x) received (0x%x)\n", MASK_2, value);
+        notify_completion(false);
+    }
+    
+    port_out = 0;
+    wait(0.1);
+    value = port_in.read();
+    if (value != 0) {
+        printf("[Test low] expected (0x%x) received (0x%x)\n", 0, value);
+        notify_completion(false);
+    }
+    
+    notify_completion(true);
+}
diff --git a/libraries/tests/mbed/pwm/pwm.cpp b/libraries/tests/mbed/pwm/pwm.cpp
new file mode 100644
index 0000000000..ce5e9de90d
--- /dev/null
+++ b/libraries/tests/mbed/pwm/pwm.cpp
@@ -0,0 +1,28 @@
+#include "test_env.h"
+
+/* Timer/Match Register    Pinout Options
+
+CT16B0/MR0  p5 (P0_9)
+CT16B0/MR1  p6 (P0_8)
+CT16B0/MR2  p34 (P1_15)
+
+CT16B1/MR0  p36 (P0_21)
+CT16B1/MR1  p20 (P0_22) and p14 (P1_23)
+
+CT32B0/MR0  p25 (P1_24)
+CT32B0/MR1  p26 (P1_25) and USBTX (P0_19)
+CT32B0/MR2  p10 (P1_26)
+ */
+
+int main() {
+    PwmOut pwm_p25(p25);
+    PwmOut pwm_p26(p26);
+    
+    pwm_p25.write(0.75);
+    pwm_p26.write(0.50);
+    
+    printf("Initialize PWM on pin 25 with duty cycle: %.2f\n", pwm_p25.read());
+    printf("Initialize PWM on pin 26 with duty cycle: %.2f\n", pwm_p26.read());
+    
+    notify_completion(true);
+}
diff --git a/libraries/tests/mbed/reset/main.cpp b/libraries/tests/mbed/reset/main.cpp
new file mode 100644
index 0000000000..be2817bfbd
--- /dev/null
+++ b/libraries/tests/mbed/reset/main.cpp
@@ -0,0 +1,17 @@
+#include "mbed.h"
+
+Serial pc(USBTX, USBRX);
+
+extern "C" void mbed_reset();
+
+int main() {
+    pc.printf("start\n");
+    wait(1);
+    
+    unsigned int counter = 0;
+    while(1) {
+        pc.printf("%u\n",counter++);
+        wait(1);
+        mbed_reset();
+    }
+}
diff --git a/libraries/tests/mbed/rpc/main.cpp b/libraries/tests/mbed/rpc/main.cpp
new file mode 100644
index 0000000000..dcf8f8e66f
--- /dev/null
+++ b/libraries/tests/mbed/rpc/main.cpp
@@ -0,0 +1,59 @@
+#include "mbed.h"
+#include "mbed_rpc.h"
+
+float f = 0;
+
+void foo(Arguments *args, Reply *reply) {
+    reply->putData(args->getArg() * 3.3);
+}
+
+char outbuf[RPC_MAX_STRING];
+void test(const char *input, const char *expected) {
+    printf("> %s\n", input);
+    bool result = RPC::call(input, outbuf);
+    
+    if (!result) {
+        printf("[ERROR] The remote procedure call failed\n");
+    } else if (strcmp(outbuf, expected) != 0) {
+        printf("[ERROR] \"%s\" != \"%s\"\n", outbuf, expected);
+    } else {
+        printf("{%s}\n", outbuf);
+    }
+}
+
+int main() {
+    // Variable
+    RPCVariable rpc_f(&f, "f");
+    test("/f/write 1", "");
+    test("/f/read", "1");
+    
+    // Function
+    RPCFunction rpc_foo(&foo, "foo");
+    test("/foo/run 1", "3.2999999523162842");
+    
+    // Class
+    RPC::add_rpc_class();
+    test("/DigitalOut/new LED2 led2", "led2");
+    test("/led2/write 1", "");
+    test("/led2/read", "1");
+    
+    // Instance
+    RpcDigitalOut rpc_led(LED1, "led1");
+    test("/led1/write 1", "");
+    test("/led1/read", "1");
+    
+    // Introspection
+    test("/", "led1 led2 foo f DigitalOut RPC");
+    test("/f", "read write delete");
+    test("/foo", "run delete");
+    test("/DigitalOut", "new");
+    test("/led1", "write read delete");
+    
+    // Delete instance
+    test("/led2/delete", "");
+    test("/", "led1 foo f DigitalOut RPC");
+    
+    while (true) {
+        wait(1);
+    }
+}
diff --git a/libraries/tests/mbed/rtc/main.cpp b/libraries/tests/mbed/rtc/main.cpp
new file mode 100644
index 0000000000..1328d5b209
--- /dev/null
+++ b/libraries/tests/mbed/rtc/main.cpp
@@ -0,0 +1,19 @@
+#include "mbed.h"
+
+int main() {
+    set_time(1256729737);  // Set RTC time to Wed, 28 Oct 2009 11:35:37
+
+    while(1) {
+        time_t seconds = time(NULL);
+
+        printf("Time as seconds since January 1, 1970 = %d\n", seconds);
+
+        printf("Time as a basic string = %s", ctime(&seconds));
+
+        char buffer[32];
+        strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds));
+        printf("Time as a custom formatted string = %s", buffer);
+
+        wait(1);
+    }
+}
diff --git a/libraries/tests/mbed/sd/main.cpp b/libraries/tests/mbed/sd/main.cpp
new file mode 100644
index 0000000000..bece94d67c
--- /dev/null
+++ b/libraries/tests/mbed/sd/main.cpp
@@ -0,0 +1,44 @@
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include "test_env.h"
+
+SDFileSystem sd(p11, p12, p13, p14, "sd");
+
+#define SIZE 120
+
+int main() {
+    FILE *f = fopen("/sd/out.txt", "w");
+    
+    // allocate buffers
+    uint8_t data_written[SIZE];
+    uint8_t data_read[SIZE];
+    
+    // fill data_written buffer with random data
+    // write these data into the file
+    printf("written: [");
+    for (int i = 0; i < SIZE; i++) {
+        data_written[i] = rand() % 0xff;
+        fprintf(f, "%c", data_written[i]);
+        printf("%d ", data_written[i]);
+    }
+    printf("]\r\nclosing\r\n");
+    fclose(f);
+    
+    // read back the data from the file and store them in data_read
+    f = fopen("/sd/out.txt", "r");
+    printf("read: [");
+    for (int i=0; i 'Z') c = 'A';
+    }
+    
+    while (true) {
+        led2 = !led2;
+        wait(1);
+    }
+}
diff --git a/libraries/tests/mbed/sleep/main.cpp b/libraries/tests/mbed/sleep/main.cpp
new file mode 100644
index 0000000000..1512ff2e17
--- /dev/null
+++ b/libraries/tests/mbed/sleep/main.cpp
@@ -0,0 +1,16 @@
+#include "test_env.h"
+
+InterruptIn wkp(p14);
+
+void flip() {
+    printf("button pressed\n");
+}
+
+int main() {
+    wkp.rise(&flip);
+    
+    while (true) {
+        // sleep();
+        deepsleep();
+    }
+}
diff --git a/libraries/tests/mbed/sleep_timeout/main.cpp b/libraries/tests/mbed/sleep_timeout/main.cpp
new file mode 100644
index 0000000000..89a011e47d
--- /dev/null
+++ b/libraries/tests/mbed/sleep_timeout/main.cpp
@@ -0,0 +1,26 @@
+#include "mbed.h"
+
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+Timeout to1;
+Timeout to2;
+
+void led1_on() {
+    led1 = 1;
+    printf("led1\n\r");
+}
+void led2_on() {
+    led2 = 1;
+    printf("led2\n\r");
+}
+
+int main() {
+    led1 = 0;
+    led2 = 0;
+    to1.attach_us(led1_on, 1000000);
+    to2.attach_us(led2_on, 2000000);
+    while (1) {
+        printf("Entering sleep.\n");
+        sleep();
+    }
+}
diff --git a/libraries/tests/mbed/spi/main.cpp b/libraries/tests/mbed/spi/main.cpp
new file mode 100644
index 0000000000..070469ee8d
--- /dev/null
+++ b/libraries/tests/mbed/spi/main.cpp
@@ -0,0 +1,16 @@
+#include "mbed.h"
+
+SPI spi(p11, p12, p13);
+DigitalOut latchpin(p10);
+
+int main() {
+    spi.format(8, 0);
+    spi.frequency(16 * 1000 * 1000);
+    
+    latchpin = 0;
+    while (1) {
+        latchpin = 1;
+        spi.write(0);
+        latchpin = 0;
+    }
+}
diff --git a/libraries/tests/mbed/stdio/main.cpp b/libraries/tests/mbed/stdio/main.cpp
new file mode 100644
index 0000000000..1611a774e7
--- /dev/null
+++ b/libraries/tests/mbed/stdio/main.cpp
@@ -0,0 +1,31 @@
+#include "mbed.h"
+
+/* This test purpose is to verify the behaviour when the program does not link
+ * any symbol from the mbed library.
+ * In the past we had an issue where the stdio retargeting was not linked in.
+ */
+
+int main() {
+    int Value = -1;
+    
+    printf("\r\n\r\nGCC4MBED Test Suite\r\n");
+    printf("Standard I/O Unit Tests\r\n");
+    
+    printf("Test 1: printf() test\r\n");
+    
+    printf("Test 2: scanf() test\r\n");
+    printf("    Type number and press Enter: \n");
+    scanf("%d", &Value);
+    printf("\n    Your value was: %d\r\n", Value);
+    
+    fprintf(stdout, "Test 3: fprintf(stdout, ...) test\r\n");
+    
+    fprintf(stderr, "Test 4: fprintf(stderr, ...) test\r\n");
+    
+    printf("Test 5: fscanf(stdin, ...) test\r\n");
+    printf("    Type number and press Enter: \n");
+    fscanf(stdin, "%d", &Value);
+    printf("\n    Your value was: %d\r\n", Value);
+    
+    printf("Test complete\r\n");
+}
diff --git a/libraries/tests/mbed/stdio_benchmark/main.cpp b/libraries/tests/mbed/stdio_benchmark/main.cpp
new file mode 100644
index 0000000000..748107fb6a
--- /dev/null
+++ b/libraries/tests/mbed/stdio_benchmark/main.cpp
@@ -0,0 +1,35 @@
+#include "mbed.h"
+
+#define TEST_STDIO 0
+
+int main() {
+    printf("\r\n\r\n*** Start of memory write test (2K bytes) ***\r\n");
+    
+    // dummy data
+    char buf[2048];
+    int index = 0;
+    for (index = 0; index < 2048; index++) {
+        buf[index] = ~index & 0xFF;
+    }
+    
+    // Run the timed write test
+    float starttime, duration;
+    Timer t;
+    t.start();
+    starttime = t.read();
+    
+#if TEST_STDIO
+    LocalFileSystem local("local");
+    FILE *fp = fopen("/local/test.dat", "w");
+    fwrite(buf, sizeof(buf[0]), sizeof(buf)/sizeof(buf[0]), fp);
+    fclose(fp);
+#else
+    FILEHANDLE fh = local_file_open("test.dat", O_WRONLY);
+    LocalFileHandle lfh(fh);
+    lfh.write(buf, sizeof(buf));
+    lfh.close();
+#endif
+    
+    duration = t.read() - starttime;
+    printf("Write completed in %.2f seconds. Average throughput = %.0f bytes/second.\r\n", duration, 2048/duration);
+}
diff --git a/libraries/tests/mbed/stl/main.cpp b/libraries/tests/mbed/stl/main.cpp
new file mode 100644
index 0000000000..37e11e90b2
--- /dev/null
+++ b/libraries/tests/mbed/stl/main.cpp
@@ -0,0 +1,54 @@
+/*
+start
+one
+two
+three
+elements in the map:
+a1 => 50
+c3 => 150
+{success}
+{end}
+ */
+#include "test_env.h"
+
+#include 
+#include 
+#include 
+
+using namespace std;
+
+int main() {
+    printf("start"NL);
+    queue queueObject;
+    queueObject.push("one");
+    queueObject.push("two");
+    queueObject.push("three");
+    
+    while (!queueObject.empty()) {
+        string& s = queueObject.front();
+        printf("%s"NL, s.c_str());
+        queueObject.pop();
+    }
+    
+    map m;
+    map::iterator it;
+    
+    m["a1"] = "50";
+    m["b2"] = "100";
+    m["c3"] = "150";
+    m["d4"] = "200";
+    
+    it = m.find("b2");
+    if (it == m.end()) {
+        printf("lookup error"NL);
+    }
+    
+    m.erase(it);
+    m.erase(m.find("d4"));
+    
+    printf("elements in the map:"NL);
+    printf("a1 => %s"NL, m.find("a1")->second.c_str());
+    printf("c3 => %s"NL, m.find("c3")->second.c_str());
+    
+    notify_completion(true);
+}
diff --git a/libraries/tests/mbed/ticker/main.cpp b/libraries/tests/mbed/ticker/main.cpp
new file mode 100644
index 0000000000..78a669327a
--- /dev/null
+++ b/libraries/tests/mbed/ticker/main.cpp
@@ -0,0 +1,35 @@
+#include "mbed.h"
+
+Ticker flipper_1;
+DigitalOut led1(LED1);
+int led1_state = 0;
+void flip_1() {
+    if (led1_state) {
+        led1 = 0; led1_state = 0;
+    } else {
+        led1 = 1; led1_state = 1;
+    }
+}
+
+Ticker flipper_2;
+
+DigitalOut led2(LED2);
+int led2_state = 0;
+void flip_2() {
+    if (led2_state) {
+        led2 = 0; led2_state = 0;
+    } else {
+        led2 = 1; led2_state = 1;
+    }
+}
+
+int main() {
+    led1 = 0;
+    led2 = 0;
+    flipper_1.attach(&flip_1, 1.0); // the address of the function to be attached (flip) and the interval (1 second)
+    flipper_2.attach(&flip_2, 2.0); // the address of the function to be attached (flip) and the interval (2 seconds)
+    
+    while (true) {
+        wait(1.0);
+    }
+}
diff --git a/libraries/tests/mbed/tsi/main.cpp b/libraries/tests/mbed/tsi/main.cpp
new file mode 100644
index 0000000000..f1dfa08907
--- /dev/null
+++ b/libraries/tests/mbed/tsi/main.cpp
@@ -0,0 +1,14 @@
+#include "mbed.h"
+#include "TSISensor.h"
+
+int main(void) {
+    DigitalOut led(LED_GREEN);
+    TSISensor tsi;
+
+    while (true) {
+        printf("slider percentage: %f%\r\n", tsi.readPercentage());
+        printf("slider distance: %dmm\r\n", tsi.readDistance());
+        wait(1);
+        led = !led;
+    }
+}
diff --git a/libraries/tests/net/echo/tcp_client/main.cpp b/libraries/tests/net/echo/tcp_client/main.cpp
new file mode 100644
index 0000000000..6ffea386ca
--- /dev/null
+++ b/libraries/tests/net/echo/tcp_client/main.cpp
@@ -0,0 +1,31 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+
+const char* ECHO_SERVER_ADDRESS = "192.168.0.51";
+const int ECHO_PORT = 7;
+
+int main() {
+    EthernetInterface eth;
+    eth.init(); //Use DHCP
+    eth.connect();
+    printf("IP Address is %s\n", eth.getIPAddress());
+    
+    TCPSocketConnection socket;
+    while (socket.connect(ECHO_SERVER_ADDRESS, ECHO_PORT) < 0) {
+        printf("Unable to connect to (%s) on port (%d)\n", ECHO_SERVER_ADDRESS, ECHO_PORT);
+        wait(1);
+    }
+    
+    char hello[] = "Hello World\n";
+    socket.send_all(hello, sizeof(hello) - 1);
+    
+    char buf[256];
+    int n = socket.receive(buf, 256);
+    buf[n] = '\0';
+    printf("%s", buf);
+    
+    socket.close();
+    eth.disconnect();
+    
+    while(true) {}
+}
diff --git a/libraries/tests/net/echo/tcp_server/main.cpp b/libraries/tests/net/echo/tcp_server/main.cpp
new file mode 100644
index 0000000000..8e14caedc3
--- /dev/null
+++ b/libraries/tests/net/echo/tcp_server/main.cpp
@@ -0,0 +1,34 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+
+#define ECHO_SERVER_PORT   7
+
+int main (void) {
+    EthernetInterface eth;
+    eth.init(); //Use DHCP
+    eth.connect();
+    printf("IP Address is %s\n", eth.getIPAddress());
+    
+    TCPSocketServer server;
+    server.bind(ECHO_SERVER_PORT);
+    server.listen();
+    
+    while (true) {
+        printf("\nWait for new connection...\n");
+        TCPSocketConnection client;
+        server.accept(client);
+        client.set_blocking(false, 1500); // Timeout after (1.5)s
+        
+        printf("Connection from: %s\n", client.get_address());
+        char buffer[256];
+        while (true) {
+            int n = client.receive(buffer, sizeof(buffer));
+            if (n <= 0) break;
+            
+            client.send_all(buffer, n);
+            if (n <= 0) break;
+        }
+        
+        client.close();
+    }
+}
diff --git a/libraries/tests/net/echo/udp_client/main.cpp b/libraries/tests/net/echo/udp_client/main.cpp
new file mode 100644
index 0000000000..5e3d663af2
--- /dev/null
+++ b/libraries/tests/net/echo/udp_client/main.cpp
@@ -0,0 +1,55 @@
+#include "mbed.h"
+#include "rtos.h"
+#include "EthernetInterface.h"
+
+const char* ECHO_SERVER_ADDRESS = "10.2.200.94";
+const int ECHO_SERVER_PORT = 7195;
+
+const char* LOCAL_IP_ADDRESS = "10.2.200.70";
+const char* NETWORK_MASK     = "255.255.255.0";
+const char* GATEWAY          = "10.2.200.1";
+
+char out_buffer[] = "Hello World\n";
+char in_buffer[256];
+
+#define CHECK(RC, STEP)       if (RC < 0) error(STEP": %d\n", RC)
+
+int main() {
+    int rc = 0;
+    EthernetInterface eth;
+    
+    // rc = eth.init(); //Use DHCP
+    rc = eth.init(LOCAL_IP_ADDRESS, NETWORK_MASK, GATEWAY);
+    CHECK(rc, "eth init");
+    
+    rc = eth.connect();
+    CHECK(rc, "connect");
+    printf("IP: %s\n", eth.getIPAddress());
+    
+    UDPSocket sock;
+    rc = sock.init();
+    CHECK(rc, "sock init");
+    
+    Endpoint echo_server;
+    rc = echo_server.set_address(ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT);
+    CHECK(rc, "set_address");
+    
+    rc = sock.sendTo(echo_server, out_buffer, sizeof(out_buffer));
+    CHECK(rc, "sendTo");
+    
+    int n = sock.receiveFrom(echo_server, in_buffer, sizeof(in_buffer));
+    CHECK(n, "receiveFrom");
+    
+    in_buffer[n] = '\0';
+    printf("%s\n", in_buffer);
+    
+    sock.close();
+    
+    eth.disconnect();
+    
+    DigitalOut led(LED1);
+    while (true) {
+        led = !led;
+        Thread::wait(1000);
+    }
+}
diff --git a/libraries/tests/net/echo/udp_server/main.cpp b/libraries/tests/net/echo/udp_server/main.cpp
new file mode 100644
index 0000000000..03c54964ea
--- /dev/null
+++ b/libraries/tests/net/echo/udp_server/main.cpp
@@ -0,0 +1,24 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+
+#define ECHO_SERVER_PORT   7
+
+int main (void) {
+    EthernetInterface eth;
+    eth.init(); //Use DHCP
+    eth.connect();
+    printf("IP Address is %s\n", eth.getIPAddress());
+    
+    UDPSocket server;
+    server.bind(ECHO_SERVER_PORT);
+    
+    Endpoint client;
+    char buffer[256];
+    while (true) {
+        printf("\nWait for packet...\n");
+        int n = server.receiveFrom(client, buffer, sizeof(buffer));
+        
+        printf("Received packet from: %s\n", client.get_address());
+        server.sendTo(client, buffer, n);
+    }
+}
diff --git a/libraries/tests/net/helloworld/tcpclient/main.cpp b/libraries/tests/net/helloworld/tcpclient/main.cpp
new file mode 100644
index 0000000000..5c5f7c79e3
--- /dev/null
+++ b/libraries/tests/net/helloworld/tcpclient/main.cpp
@@ -0,0 +1,31 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+
+int main() {
+    EthernetInterface eth;
+    eth.init(); //Use DHCP
+    eth.connect();
+    printf("IP Address is %s\n", eth.getIPAddress());
+    
+    TCPSocketConnection sock;
+    sock.connect("mbed.org", 80);
+    
+    char http_cmd[] = "GET /media/uploads/mbed_official/hello.txt HTTP/1.0\n\n";
+    sock.send_all(http_cmd, sizeof(http_cmd));
+    
+    char buffer[300];
+    int ret;
+    while (true) {
+        ret = sock.receive(buffer, sizeof(buffer)-1);
+        if (ret <= 0)
+            break;
+        buffer[ret] = '\0';
+        printf("Received %d chars from server:\n%s\n", ret, buffer);
+    }
+      
+    sock.close();
+    
+    eth.disconnect();
+    
+    while(1) {}
+}
diff --git a/libraries/tests/net/helloworld/udpclient/main.cpp b/libraries/tests/net/helloworld/udpclient/main.cpp
new file mode 100644
index 0000000000..a6d3c822ad
--- /dev/null
+++ b/libraries/tests/net/helloworld/udpclient/main.cpp
@@ -0,0 +1,28 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+ 
+int main() {
+    EthernetInterface eth;
+    eth.init(); //Use DHCP
+    eth.connect();
+    
+    UDPSocket sock;
+    sock.init();
+    
+    Endpoint nist;
+    nist.set_address("utcnist.colorado.edu", 37);
+    
+    char out_buffer[] = "plop"; // Does not matter
+    sock.sendTo(nist, out_buffer, sizeof(out_buffer));
+    
+    char in_buffer[4];
+    int n = sock.receiveFrom(nist, in_buffer, sizeof(in_buffer));
+    
+    unsigned int timeRes = ntohl( *((unsigned int*)in_buffer));
+    printf("Received %d bytes from server %s on port %d: %u seconds since 1/01/1900 00:00 GMT\n", n, nist.get_address(), nist.get_port(), timeRes);
+    
+    sock.close();
+    
+    eth.disconnect();
+    while(1) {}
+}
diff --git a/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/HTTPClient.cpp b/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/HTTPClient.cpp
new file mode 100644
index 0000000000..2d13aac113
--- /dev/null
+++ b/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/HTTPClient.cpp
@@ -0,0 +1,623 @@
+/* HTTPClient.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+//Debug is disabled by default
+#if 1
+//Enable debug
+#include 
+//#define DBG(x, ...) std::printf("[HTTPClient : DBG]"x"\r\n", ##__VA_ARGS__); 
+#define DBG(x, ...) 
+#define WARN(x, ...) std::printf("[HTTPClient : WARN]"x"\r\n", ##__VA_ARGS__); 
+#define ERR(x, ...) std::printf("[HTTPClient : ERR]"x"\r\n", ##__VA_ARGS__); 
+
+#else
+//Disable debug
+#define DBG(x, ...) 
+#define WARN(x, ...)
+#define ERR(x, ...) 
+
+#endif
+
+#define HTTP_PORT 80
+
+#define OK 0
+
+#define MIN(x,y) (((x)<(y))?(x):(y))
+#define MAX(x,y) (((x)>(y))?(x):(y))
+
+#define CHUNK_SIZE 256
+
+#include 
+
+#include "HTTPClient.h"
+
+HTTPClient::HTTPClient() :
+m_sock(), m_basicAuthUser(NULL), m_basicAuthPassword(NULL), m_httpResponseCode(0)
+{
+
+}
+
+HTTPClient::~HTTPClient()
+{
+
+}
+
+#if 0
+void HTTPClient::basicAuth(const char* user, const char* password) //Basic Authentification
+{
+  m_basicAuthUser = user;
+  m_basicAuthPassword = password;
+}
+#endif
+
+HTTPResult HTTPClient::get(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
+{
+  return connect(url, HTTP_GET, NULL, pDataIn, timeout);
+}
+
+HTTPResult HTTPClient::get(const char* url, char* result, size_t maxResultLen, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
+{
+  HTTPText str(result, maxResultLen);
+  return get(url, &str, timeout);
+}
+
+HTTPResult HTTPClient::post(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
+{
+  return connect(url, HTTP_POST, (IHTTPDataOut*)&dataOut, pDataIn, timeout);
+}
+
+int HTTPClient::getHTTPResponseCode()
+{
+  return m_httpResponseCode;
+}
+
+#define CHECK_CONN_ERR(ret) \
+  do{ \
+    if(ret) { \
+      m_sock.close(); \
+      ERR("Connection error (%d)", ret); \
+      return HTTP_CONN; \
+    } \
+  } while(0)
+
+#define PRTCL_ERR() \
+  do{ \
+    m_sock.close(); \
+    ERR("Protocol error"); \
+    return HTTP_PRTCL; \
+  } while(0)
+
+HTTPResult HTTPClient::connect(const char* url, HTTP_METH method, IHTTPDataOut* pDataOut, IHTTPDataIn* pDataIn, int timeout) //Execute request
+{ 
+  m_httpResponseCode = 0; //Invalidate code
+  m_timeout = timeout;
+
+  char scheme[8];
+  uint16_t port;
+  char host[32];
+  char path[64];
+  //First we need to parse the url (http[s]://host[:port][/[path]]) -- HTTPS not supported (yet?)
+  HTTPResult res = parseURL(url, scheme, sizeof(scheme), host, sizeof(host), &port, path, sizeof(path));
+  if(res != HTTP_OK)
+  {
+    ERR("parseURL returned %d", res);
+    return res;
+  }
+
+  if(port == 0) //TODO do handle HTTPS->443
+  {
+    port = 80;
+  }
+
+  DBG("Scheme: %s", scheme);
+  DBG("Host: %s", host);
+  DBG("Port: %d", port);
+  DBG("Path: %s", path);
+
+  //Connect
+  DBG("Connecting socket to server");
+  int ret = m_sock.connect(host, port);
+  if (ret < 0)
+  {
+    m_sock.close();
+    ERR("Could not connect");
+    return HTTP_CONN;
+  }
+
+  //Send request
+  DBG("Sending request");
+  char buf[CHUNK_SIZE];
+  const char* meth = (method==HTTP_GET)?"GET":(method==HTTP_POST)?"POST":"";
+  snprintf(buf, sizeof(buf), "%s %s HTTP/1.1\r\nHost: %s\r\n", meth, path, host); //Write request
+  ret = send(buf);
+  if(ret)
+  {
+    m_sock.close();
+    ERR("Could not write request");
+    return HTTP_CONN;
+  }
+
+  //Send all headers
+
+  //Send default headers
+  DBG("Sending headers");
+  if( (method == HTTP_POST) && (pDataOut != NULL) )
+  {
+    if( pDataOut->getIsChunked() )
+    {
+      ret = send("Transfer-Encoding: chunked\r\n");
+      CHECK_CONN_ERR(ret);
+    }
+    else
+    {
+      snprintf(buf, sizeof(buf), "Content-Length: %d\r\n", pDataOut->getDataLen());
+      ret = send(buf);
+      CHECK_CONN_ERR(ret);
+    }
+    char type[48];
+    if( pDataOut->getDataType(type, 48) == HTTP_OK )
+    {
+      snprintf(buf, sizeof(buf), "Content-Type: %s\r\n", type);
+      ret = send(buf);
+      CHECK_CONN_ERR(ret);
+    }
+  }
+  
+  //Close headers
+  DBG("Headers sent");
+  ret = send("\r\n");
+  CHECK_CONN_ERR(ret);
+
+  size_t trfLen;
+  
+  //Send data (if POST)
+  if( (method == HTTP_POST) && (pDataOut != NULL) )
+  {
+    DBG("Sending data");
+    while(true)
+    {
+      size_t writtenLen = 0;
+      pDataOut->read(buf, CHUNK_SIZE, &trfLen);
+      if( pDataOut->getIsChunked() )
+      {
+        //Write chunk header
+        char chunkHeader[16];
+        snprintf(chunkHeader, sizeof(chunkHeader), "%X\r\n", trfLen); //In hex encoding
+        ret = send(chunkHeader);
+        CHECK_CONN_ERR(ret);
+      }
+      else if( trfLen == 0 )
+      {
+        break;
+      }
+      if( trfLen != 0 )
+      {
+        ret = send(buf, trfLen);
+        CHECK_CONN_ERR(ret);
+      }
+
+      if( pDataOut->getIsChunked()  )
+      {
+        ret = send("\r\n"); //Chunk-terminating CRLF
+        CHECK_CONN_ERR(ret);
+      }
+      else
+      {
+        writtenLen += trfLen;
+        if( writtenLen >= pDataOut->getDataLen() )
+        {
+          break;
+        }
+      }
+
+      if( trfLen == 0 )
+      {
+        break;
+      }
+    }
+
+  }
+  
+  //Receive response
+  DBG("Receiving response");
+  ret = recv(buf, CHUNK_SIZE - 1, CHUNK_SIZE - 1, &trfLen); //Read n bytes
+  CHECK_CONN_ERR(ret);
+
+  buf[trfLen] = '\0';
+
+  char* crlfPtr = strstr(buf, "\r\n");
+  if(crlfPtr == NULL)
+  {
+    PRTCL_ERR();
+  }
+
+  int crlfPos = crlfPtr - buf;
+  buf[crlfPos] = '\0';
+
+  //Parse HTTP response
+  if( sscanf(buf, "HTTP/%*d.%*d %d %*[^\r\n]", &m_httpResponseCode) != 1 )
+  {
+    //Cannot match string, error
+    ERR("Not a correct HTTP answer : %s\n", buf);
+    PRTCL_ERR();
+  }
+
+  if(m_httpResponseCode != 200)
+  {
+    //Cannot match string, error
+    WARN("Response code %d", m_httpResponseCode);
+    PRTCL_ERR();
+  }
+
+  DBG("Reading headers");
+
+  memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well
+  trfLen -= (crlfPos + 2);
+
+  size_t recvContentLength = 0;
+  bool recvChunked = false;
+  //Now get headers
+  while( true )
+  {
+    crlfPtr = strstr(buf, "\r\n");
+    if(crlfPtr == NULL)
+    {
+      if( trfLen < CHUNK_SIZE - 1 )
+      {
+        size_t newTrfLen;
+        ret = recv(buf + trfLen, 1, CHUNK_SIZE - trfLen - 1, &newTrfLen);
+        trfLen += newTrfLen;
+        buf[trfLen] = '\0';
+        DBG("Read %d chars; In buf: [%s]", newTrfLen, buf);
+        CHECK_CONN_ERR(ret);
+        continue;
+      }
+      else
+      {
+        PRTCL_ERR();
+      }
+    }
+
+    crlfPos = crlfPtr - buf;
+
+    if(crlfPos == 0) //End of headers
+    {
+      DBG("Headers read");
+      memmove(buf, &buf[2], trfLen - 2 + 1); //Be sure to move NULL-terminating char as well
+      trfLen -= 2;
+      break;
+    }
+
+    buf[crlfPos] = '\0';
+
+    char key[32];
+    char value[32];
+
+    key[31] = '\0';
+    value[31] = '\0';
+
+    int n = sscanf(buf, "%31[^:]: %31[^\r\n]", key, value);
+    if ( n == 2 )
+    {
+      DBG("Read header : %s: %s\n", key, value);
+      if( !strcmp(key, "Content-Length") )
+      {
+        sscanf(value, "%d", &recvContentLength);
+        pDataIn->setDataLen(recvContentLength);
+      }
+      else if( !strcmp(key, "Transfer-Encoding") )
+      {
+        if( !strcmp(value, "Chunked") || !strcmp(value, "chunked") )
+        {
+          recvChunked = true;
+          pDataIn->setIsChunked(true);
+        }
+      }
+      else if( !strcmp(key, "Content-Type") )
+      {
+        pDataIn->setDataType(value);
+      }
+
+      memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well
+      trfLen -= (crlfPos + 2);
+
+    }
+    else
+    {
+      ERR("Could not parse header");
+      PRTCL_ERR();
+    }
+
+  }
+
+  //Receive data
+  DBG("Receiving data");
+  while(true)
+  {
+    size_t readLen = 0;
+
+    if( recvChunked )
+    {
+      //Read chunk header
+      crlfPos=0;
+      for(crlfPos++; crlfPos < trfLen - 2; crlfPos++)
+      {
+        if( buf[crlfPos] == '\r' && buf[crlfPos + 1] == '\n' )
+        {
+          break;
+        }
+      }
+      if(crlfPos >= trfLen - 2) //Try to read more
+      {
+        if( trfLen < CHUNK_SIZE )
+        {
+          size_t newTrfLen;
+          ret = recv(buf + trfLen, 0, CHUNK_SIZE - trfLen - 1, &newTrfLen);
+          trfLen += newTrfLen;
+          CHECK_CONN_ERR(ret);
+          continue;
+        }
+        else
+        {
+          PRTCL_ERR();
+        }
+      }
+      buf[crlfPos] = '\0';
+      int n = sscanf(buf, "%x", &readLen);
+      if(n!=1)
+      {
+        ERR("Could not read chunk length");
+        PRTCL_ERR();
+      }
+
+      memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2)); //Not need to move NULL-terminating char any more
+      trfLen -= (crlfPos + 2);
+
+      if( readLen == 0 )
+      {
+        //Last chunk
+        break;
+      }
+    }
+    else
+    {
+      readLen = recvContentLength;
+    }
+
+    DBG("Retrieving %d bytes", readLen);
+
+    do
+    {
+      pDataIn->write(buf, MIN(trfLen, readLen));
+      if( trfLen > readLen )
+      {
+        memmove(buf, &buf[readLen], trfLen - readLen);
+        trfLen -= readLen;
+        readLen = 0;
+      }
+      else
+      {
+        readLen -= trfLen;
+      }
+
+      if(readLen)
+      {
+        ret = recv(buf, 1, CHUNK_SIZE - trfLen - 1, &trfLen);
+        CHECK_CONN_ERR(ret);
+      }
+    } while(readLen);
+
+    if( recvChunked )
+    {
+      if(trfLen < 2)
+      {
+        size_t newTrfLen;
+        //Read missing chars to find end of chunk
+        ret = recv(buf, 2 - trfLen, CHUNK_SIZE, &newTrfLen);
+        CHECK_CONN_ERR(ret);
+        trfLen += newTrfLen;
+      }
+      if( (buf[0] != '\r') || (buf[1] != '\n') )
+      {
+        ERR("Format error");
+        PRTCL_ERR();
+      }
+      memmove(buf, &buf[2], trfLen - 2);
+      trfLen -= 2;
+    }
+    else
+    {
+      break;
+    }
+
+  }
+
+  m_sock.close();
+  DBG("Completed HTTP transaction");
+
+  return HTTP_OK;
+}
+
+HTTPResult HTTPClient::recv(char* buf, size_t minLen, size_t maxLen, size_t* pReadLen) //0 on success, err code on failure
+{
+  DBG("Trying to read between %d and %d bytes", minLen, maxLen);
+  size_t readLen = 0;
+      
+  if(!m_sock.is_connected())
+  {
+    WARN("Connection was closed by server");
+    return HTTP_CLOSED; //Connection was closed by server 
+  }
+    
+  int ret;
+  while(readLen < maxLen)
+  {
+    if(readLen < minLen)
+    {
+      DBG("Trying to read at most %d bytes [Blocking]", minLen - readLen);
+      m_sock.set_blocking(false, m_timeout);
+      ret = m_sock.receive_all(buf + readLen, minLen - readLen);
+    }
+    else
+    {
+      DBG("Trying to read at most %d bytes [Not blocking]", maxLen - readLen);
+      m_sock.set_blocking(false, 0);
+      ret = m_sock.receive(buf + readLen, maxLen - readLen);
+    }
+    
+    if( ret > 0)
+    {
+      readLen += ret;
+    }
+    else if( ret == 0 )
+    {
+      break;
+    }
+    else
+    {
+      if(!m_sock.is_connected())
+      {
+        ERR("Connection error (recv returned %d)", ret);
+        *pReadLen = readLen;
+        return HTTP_CONN;
+      }
+      else
+      {
+        break;      
+      }
+    }
+    
+    if(!m_sock.is_connected())
+    {
+      break;
+    }
+  }
+  DBG("Read %d bytes", readLen);
+  *pReadLen = readLen;
+  return HTTP_OK;
+}
+
+HTTPResult HTTPClient::send(char* buf, size_t len) //0 on success, err code on failure
+{
+  if(len == 0)
+  {
+    len = strlen(buf);
+  }
+  DBG("Trying to write %d bytes", len);
+  size_t writtenLen = 0;
+    
+  if(!m_sock.is_connected())
+  {
+    WARN("Connection was closed by server");
+    return HTTP_CLOSED; //Connection was closed by server 
+  }
+  
+  m_sock.set_blocking(false, m_timeout);
+  int ret = m_sock.send_all(buf, len);
+  if(ret > 0)
+  {
+    writtenLen += ret;
+  }
+  else if( ret == 0 )
+  {
+    WARN("Connection was closed by server");
+    return HTTP_CLOSED; //Connection was closed by server
+  }
+  else
+  {
+    ERR("Connection error (send returned %d)", ret);
+    return HTTP_CONN;
+  }
+  
+  DBG("Written %d bytes", writtenLen);
+  return HTTP_OK;
+}
+
+HTTPResult HTTPClient::parseURL(const char* url, char* scheme, size_t maxSchemeLen, char* host, size_t maxHostLen, uint16_t* port, char* path, size_t maxPathLen) //Parse URL
+{
+  char* schemePtr = (char*) url;
+  char* hostPtr = (char*) strstr(url, "://");
+  if(hostPtr == NULL)
+  {
+    WARN("Could not find host");
+    return HTTP_PARSE; //URL is invalid
+  }
+
+  if( maxSchemeLen < hostPtr - schemePtr + 1 ) //including NULL-terminating char
+  {
+    WARN("Scheme str is too small (%d >= %d)", maxSchemeLen, hostPtr - schemePtr + 1);
+    return HTTP_PARSE;
+  }
+  memcpy(scheme, schemePtr, hostPtr - schemePtr);
+  scheme[hostPtr - schemePtr] = '\0';
+
+  hostPtr+=3;
+
+  size_t hostLen = 0;
+
+  char* portPtr = strchr(hostPtr, ':');
+  if( portPtr != NULL )
+  {
+    hostLen = portPtr - hostPtr;
+    portPtr++;
+    if( sscanf(portPtr, "%hu", port) != 1)
+    {
+      WARN("Could not find port");
+      return HTTP_PARSE;
+    }
+  }
+  else
+  {
+    *port=0;
+  }
+  char* pathPtr = strchr(hostPtr, '/');
+  if( hostLen == 0 )
+  {
+    hostLen = pathPtr - hostPtr;
+  }
+
+  if( maxHostLen < hostLen + 1 ) //including NULL-terminating char
+  {
+    WARN("Host str is too small (%d >= %d)", maxHostLen, hostLen + 1);
+    return HTTP_PARSE;
+  }
+  memcpy(host, hostPtr, hostLen);
+  host[hostLen] = '\0';
+
+  size_t pathLen;
+  char* fragmentPtr = strchr(hostPtr, '#');
+  if(fragmentPtr != NULL)
+  {
+    pathLen = fragmentPtr - pathPtr;
+  }
+  else
+  {
+    pathLen = strlen(pathPtr);
+  }
+
+  if( maxPathLen < pathLen + 1 ) //including NULL-terminating char
+  {
+    WARN("Path str is too small (%d >= %d)", maxPathLen, pathLen + 1);
+    return HTTP_PARSE;
+  }
+  memcpy(path, pathPtr, pathLen);
+  path[pathLen] = '\0';
+
+  return HTTP_OK;
+}
diff --git a/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/HTTPClient.h b/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/HTTPClient.h
new file mode 100644
index 0000000000..8489d277cd
--- /dev/null
+++ b/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/HTTPClient.h
@@ -0,0 +1,138 @@
+/* HTTPClient.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/** \file
+HTTP Client header file
+*/
+
+#ifndef HTTP_CLIENT_H
+#define HTTP_CLIENT_H
+
+#include "TCPSocketConnection.h"
+
+#define HTTP_CLIENT_DEFAULT_TIMEOUT 15000
+
+class HTTPData;
+
+#include "IHTTPData.h"
+#include "mbed.h"
+
+///HTTP client results
+enum HTTPResult
+{
+  HTTP_PROCESSING, ///
+
+using std::size_t;
+
+///This is a simple interface for HTTP data storage (impl examples are Key/Value Pairs, File, etc...)
+class IHTTPDataOut
+{
+protected:
+  friend class HTTPClient;
+
+  /** Read a piece of data to be transmitted
+   * @param buf Pointer to the buffer on which to copy the data
+   * @param len Length of the buffer
+   * @param pReadLen Pointer to the variable on which the actual copied data length will be stored
+   */
+  virtual int read(char* buf, size_t len, size_t* pReadLen) = 0;
+  
+  /** Get MIME type
+   * @param type Internet media type from Content-Type header
+   */
+  virtual int getDataType(char* type, size_t maxTypeLen) = 0; //Internet media type for Content-Type header
+  
+  /** Determine whether the HTTP client should chunk the data
+   *  Used for Transfer-Encoding header
+   */
+  virtual bool getIsChunked() = 0;
+  
+  /** If the data is not chunked, get its size
+   *  Used for Content-Length header
+   */
+  virtual size_t getDataLen() = 0;
+
+};
+
+///This is a simple interface for HTTP data storage (impl examples are Key/Value Pairs, File, etc...)
+class IHTTPDataIn
+{
+protected:
+  friend class HTTPClient;
+
+  /** Write a piece of data transmitted by the server
+   * @param buf Pointer to the buffer from which to copy the data
+   * @param len Length of the buffer
+   */
+  virtual int write(const char* buf, size_t len) = 0;
+
+  /** Set MIME type
+   * @param type Internet media type from Content-Type header
+   */
+  virtual void setDataType(const char* type) = 0;
+
+  /** Determine whether the data is chunked
+   *  Recovered from Transfer-Encoding header
+   */
+  virtual void setIsChunked(bool chunked) = 0;
+  
+  /** If the data is not chunked, set its size
+   * From Content-Length header
+   */
+  virtual void setDataLen(size_t len) = 0;
+
+};
+
+#endif
diff --git a/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/data/HTTPMap.cpp b/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/data/HTTPMap.cpp
new file mode 100644
index 0000000000..75ffd970e9
--- /dev/null
+++ b/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/data/HTTPMap.cpp
@@ -0,0 +1,196 @@
+/* HTTPMap.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "HTTPMap.h"
+
+#include 
+
+#include 
+
+#define OK 0
+
+using std::strncpy;
+
+HTTPMap::HTTPMap() : m_pos(0), m_count(0)
+{
+
+}
+
+void HTTPMap::put(const char* key, const char* value)
+{
+  if(m_count >= HTTPMAP_TABLE_SIZE)
+  {
+    return;
+  }
+  m_keys[m_count] = key;
+  m_values[m_count] = value;
+  m_count++;
+}
+
+void HTTPMap::clear()
+{
+  m_count = 0;
+  m_pos = 0;
+}
+
+
+/*virtual*/ int HTTPMap::read(char* buf, size_t len, size_t* pReadLen)
+{
+  if(m_pos >= m_count)
+  {
+    *pReadLen = 0;
+    m_pos = 0;
+    return OK;
+  }
+
+  //URL encode
+  char* out = buf;
+  const char* in = m_keys[m_pos];
+  if( (m_pos != 0) && (out - buf < len - 1) )
+  {
+    *out='&';
+    out++;
+  }
+
+  while( (*in != '\0') && (out - buf < len - 3) )
+  {
+    if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
+    {
+      *out = *in;
+      out++;
+    }
+    else if( *in == ' ' )
+    {
+      *out='+';
+      out++;
+    }
+    else
+    {
+      char hex[] = "0123456789abcdef";
+      *out='%';
+      out++;
+      *out=hex[(*in>>4)&0xf];
+      out++;
+      *out=hex[(*in)&0xf];
+      out++;
+    }
+    in++;
+  }
+
+  if( out - buf < len - 1 )
+  {
+    *out='=';
+    out++;
+  }
+
+  in = m_values[m_pos];
+  while( (*in != '\0') && (out - buf < len - 3) )
+  {
+    if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
+    {
+      *out = *in;
+      out++;
+    }
+    else if( *in == ' ' )
+    {
+      *out='+';
+      out++;
+    }
+    else
+    {
+      char hex[] = "0123456789abcdef";
+      *out='%';
+      out++;
+      *out=hex[(*in>>4)&0xf];
+      out++;
+      *out=hex[(*in)&0xf];
+      out++;
+    }
+    in++;
+  }
+
+  *pReadLen = out - buf;
+
+  m_pos++;
+  return OK;
+}
+
+/*virtual*/ int HTTPMap::getDataType(char* type, size_t maxTypeLen) //Internet media type for Content-Type header
+{
+  strncpy(type, "application/x-www-form-urlencoded", maxTypeLen-1);
+  type[maxTypeLen-1] = '\0';
+  return OK;
+}
+
+/*virtual*/ bool HTTPMap::getIsChunked() //For Transfer-Encoding header
+{
+  return false; ////Data is computed one key/value pair at a time
+}
+
+/*virtual*/ size_t HTTPMap::getDataLen() //For Content-Length header
+{
+  size_t count = 0;
+  for(size_t i = 0; i< m_count; i++)
+  {
+    //URL encode
+    const char* in = m_keys[i];
+    if( i != 0 )
+    {
+      count++;
+    }
+
+    while( (*in != '\0') )
+    {
+      if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
+      {
+        count++;
+      }
+      else if( *in == ' ' )
+      {
+        count++;
+      }
+      else
+      {
+        count+=3;
+      }
+      in++;
+    }
+
+    count ++;
+
+    in = m_values[i];
+    while( (*in != '\0') )
+    {
+      if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
+      {
+        count++;
+      }
+      else if( *in == ' ' )
+      {
+        count++;
+      }
+      else
+      {
+        count+=3;
+      }
+      in++;
+    }
+  }
+  return count;
+}
diff --git a/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/data/HTTPMap.h b/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/data/HTTPMap.h
new file mode 100644
index 0000000000..ad02211e9a
--- /dev/null
+++ b/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/data/HTTPMap.h
@@ -0,0 +1,69 @@
+/* HTTPMap.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef HTTPMAP_H_
+#define HTTPMAP_H_
+
+#include "../IHTTPData.h"
+
+#define HTTPMAP_TABLE_SIZE 32
+
+/** Map of key/value pairs
+ * Used to transmit POST data using the application/x-www-form-urlencoded encoding
+ */
+class HTTPMap: public IHTTPDataOut
+{
+public:
+  /**
+   Instantiates HTTPMap
+   It supports at most 32 key/values pairs
+   */
+  HTTPMap();
+
+  /** Put Key/Value pair
+   The references to the parameters must remain valid as long as the clear() function is not called
+   @param key The key to use
+   @param value The corresponding value
+   */
+  void put(const char* key, const char* value);
+
+  /** Clear table
+   */
+  void clear();
+
+protected:
+  //IHTTPDataIn
+  virtual int read(char* buf, size_t len, size_t* pReadLen);
+
+  virtual int getDataType(char* type, size_t maxTypeLen); //Internet media type for Content-Type header
+
+  virtual bool getIsChunked(); //For Transfer-Encoding header
+
+  virtual size_t getDataLen(); //For Content-Length header
+
+private:
+  const char* m_keys[HTTPMAP_TABLE_SIZE];
+  const char* m_values[HTTPMAP_TABLE_SIZE];
+
+  size_t m_pos;
+  size_t m_count;
+};
+
+#endif /* HTTPMAP_H_ */
diff --git a/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/data/HTTPText.cpp b/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/data/HTTPText.cpp
new file mode 100644
index 0000000000..800532b0e2
--- /dev/null
+++ b/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/data/HTTPText.cpp
@@ -0,0 +1,94 @@
+/* HTTPText.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "HTTPText.h"
+
+#include 
+
+#define OK 0
+
+using std::memcpy;
+using std::strncpy;
+using std::strlen;
+
+#define MIN(x,y) (((x)<(y))?(x):(y))
+
+HTTPText::HTTPText(char* str) : m_str(str), m_pos(0)
+{
+  m_size = strlen(str) + 1;
+}
+
+HTTPText::HTTPText(char* str, size_t size) : m_str(str), m_size(size), m_pos(0)
+{
+
+}
+
+//IHTTPDataIn
+/*virtual*/ int HTTPText::read(char* buf, size_t len, size_t* pReadLen)
+{
+  *pReadLen = MIN(len, m_size - 1 - m_pos);
+  memcpy(buf, m_str + m_pos, *pReadLen);
+  m_pos += *pReadLen;
+  return OK;
+}
+
+/*virtual*/ int HTTPText::getDataType(char* type, size_t maxTypeLen) //Internet media type for Content-Type header
+{
+  strncpy(type, "text/plain", maxTypeLen-1);
+  type[maxTypeLen-1] = '\0';
+  return OK;
+}
+
+/*virtual*/ bool HTTPText::getIsChunked() //For Transfer-Encoding header
+{
+  return false;
+}
+
+/*virtual*/ size_t HTTPText::getDataLen() //For Content-Length header
+{
+  return m_size - 1;
+}
+
+//IHTTPDataOut
+/*virtual*/ int HTTPText::write(const char* buf, size_t len)
+{
+  size_t writeLen = MIN(len, m_size - 1 - m_pos);
+  memcpy(m_str + m_pos, buf, writeLen);
+  m_pos += writeLen;
+  m_str[m_pos] = '\0';
+  return OK;
+}
+
+/*virtual*/ void HTTPText::setDataType(const char* type) //Internet media type from Content-Type header
+{
+
+}
+
+/*virtual*/ void HTTPText::setIsChunked(bool chunked) //From Transfer-Encoding header
+{
+
+}
+
+/*virtual*/ void HTTPText::setDataLen(size_t len) //From Content-Length header, or if the transfer is chunked, next chunk length
+{
+
+}
+
+
+
diff --git a/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/data/HTTPText.h b/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/data/HTTPText.h
new file mode 100644
index 0000000000..224a957878
--- /dev/null
+++ b/libraries/tests/net/protocols/HTTPClient_HelloWorld/HTTPClient/data/HTTPText.h
@@ -0,0 +1,68 @@
+/* HTTPText.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef HTTPTEXT_H_
+#define HTTPTEXT_H_
+
+#include "../IHTTPData.h"
+
+/** A data endpoint to store text
+*/
+class HTTPText : public IHTTPDataIn, public IHTTPDataOut
+{
+public:
+  /** Create an HTTPText instance for output
+   * @param str String to be transmitted
+   */
+  HTTPText(char* str);
+
+  /** Create an HTTPText instance for input
+   * @param str Buffer to store the incoming string
+   * @param size Size of the buffer
+   */
+  HTTPText(char* str, size_t size);
+
+protected:
+  //IHTTPDataIn
+  virtual int read(char* buf, size_t len, size_t* pReadLen);
+
+  virtual int getDataType(char* type, size_t maxTypeLen); //Internet media type for Content-Type header
+
+  virtual bool getIsChunked(); //For Transfer-Encoding header
+
+  virtual size_t getDataLen(); //For Content-Length header
+
+  //IHTTPDataOut
+  virtual int write(const char* buf, size_t len);
+
+  virtual void setDataType(const char* type); //Internet media type from Content-Type header
+
+  virtual void setIsChunked(bool chunked); //From Transfer-Encoding header
+
+  virtual void setDataLen(size_t len); //From Content-Length header, or if the transfer is chunked, next chunk length
+
+private:
+  char* m_str;
+  size_t m_size;
+
+  size_t m_pos;
+};
+
+#endif /* HTTPTEXT_H_ */
diff --git a/libraries/tests/net/protocols/HTTPClient_HelloWorld/main.cpp b/libraries/tests/net/protocols/HTTPClient_HelloWorld/main.cpp
new file mode 100644
index 0000000000..b2d4c8dee0
--- /dev/null
+++ b/libraries/tests/net/protocols/HTTPClient_HelloWorld/main.cpp
@@ -0,0 +1,49 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "HTTPClient.h"
+
+EthernetInterface eth;
+HTTPClient http;
+char str[512];
+
+int main() 
+{
+    eth.init(); //Use DHCP
+
+    eth.connect();
+    
+    //GET data
+    printf("Trying to fetch page...\n");
+    int ret = http.get("http://mbed.org/media/uploads/donatien/hello.txt", str, 128);
+    if (!ret)
+    {
+      printf("Page fetched successfully - read %d characters\n", strlen(str));
+      printf("Result: %s\n", str);
+    }
+    else
+    {
+      printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
+    }
+    
+    //POST data
+    HTTPMap map;
+    HTTPText text(str, 512);
+    map.put("Hello", "World");
+    map.put("test", "1234");
+    printf("Trying to post data...\n");
+    ret = http.post("http://httpbin.org/post", map, &text);
+    if (!ret)
+    {
+      printf("Executed POST successfully - read %d characters\n", strlen(str));
+      printf("Result: %s\n", str);
+    }
+    else
+    {
+      printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
+    }
+    
+    eth.disconnect();  
+
+    while(1) {
+    }
+}
diff --git a/libraries/tests/net/protocols/NTPClient_HelloWorld/NTPClient/NTPClient.cpp b/libraries/tests/net/protocols/NTPClient_HelloWorld/NTPClient/NTPClient.cpp
new file mode 100644
index 0000000000..ba4ad1b222
--- /dev/null
+++ b/libraries/tests/net/protocols/NTPClient_HelloWorld/NTPClient/NTPClient.cpp
@@ -0,0 +1,163 @@
+/* NTPClient.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+//Debug is disabled by default
+#if 0
+//Enable debug
+#define __DEBUG__
+#include 
+#define DBG(x, ...) std::printf("[NTPClient : DBG]"x"\r\n", ##__VA_ARGS__); 
+#define WARN(x, ...) std::printf("[NTPClient : WARN]"x"\r\n", ##__VA_ARGS__); 
+#define ERR(x, ...) std::printf("[NTPClient : ERR]"x"\r\n", ##__VA_ARGS__); 
+
+#else
+//Disable debug
+#define DBG(x, ...) 
+#define WARN(x, ...)
+#define ERR(x, ...) 
+
+#endif
+
+#include "NTPClient.h"
+
+#include "UDPSocket.h"
+
+#include "mbed.h" //time() and set_time()
+
+#define NTP_PORT 123
+#define NTP_CLIENT_PORT 0 //Random port
+#define NTP_TIMESTAMP_DELTA 2208988800ull //Diff btw a UNIX timestamp (Starting Jan, 1st 1970) and a NTP timestamp (Starting Jan, 1st 1900)
+
+NTPClient::NTPClient() : m_sock()
+{
+
+
+}
+
+NTPResult NTPClient::setTime(const char* host, uint16_t port, uint32_t timeout)
+{
+#ifdef __DEBUG__
+  time_t ctTime;
+  ctTime = time(NULL);
+  DBG("Time is set to (UTC): %s", ctime(&ctTime));
+#endif
+
+  //Create & bind socket
+  DBG("Binding socket");
+  m_sock.bind(0); //Bind to a random port
+  
+  m_sock.set_blocking(false, timeout); //Set not blocking
+
+  struct NTPPacket pkt;
+
+  //Now ping the server and wait for response
+  DBG("Ping");
+  //Prepare NTP Packet:
+  pkt.li = 0; //Leap Indicator : No warning
+  pkt.vn = 4; //Version Number : 4
+  pkt.mode = 3; //Client mode
+  pkt.stratum = 0; //Not relevant here
+  pkt.poll = 0; //Not significant as well
+  pkt.precision = 0; //Neither this one is
+
+  pkt.rootDelay = 0; //Or this one
+  pkt.rootDispersion = 0; //Or that one
+  pkt.refId = 0; //...
+
+  pkt.refTm_s = 0;
+  pkt.origTm_s = 0;
+  pkt.rxTm_s = 0;
+  pkt.txTm_s = htonl( NTP_TIMESTAMP_DELTA + time(NULL) ); //WARN: We are in LE format, network byte order is BE
+
+  pkt.refTm_f = pkt.origTm_f = pkt.rxTm_f = pkt.txTm_f = 0;
+
+  Endpoint outEndpoint;
+  
+  if( outEndpoint.set_address(host, port) < 0)
+  {
+    m_sock.close();
+    return NTP_DNS;
+  }
+  
+  //Set timeout, non-blocking and wait using select
+  int ret = m_sock.sendTo( outEndpoint, (char*)&pkt, sizeof(NTPPacket) );
+  if (ret < 0 )
+  {
+    ERR("Could not send packet");
+    m_sock.close();
+    return NTP_CONN;
+  }
+
+  //Read response
+  Endpoint inEndpoint;
+
+  DBG("Pong");
+  do
+  {
+    ret = m_sock.receiveFrom( inEndpoint, (char*)&pkt, sizeof(NTPPacket) ); //FIXME need a DNS Resolver to actually compare the incoming address with the DNS name
+    if(ret < 0)
+    {
+      ERR("Could not receive packet");
+      m_sock.close();
+      return NTP_CONN;
+    }
+  } while( strcmp(outEndpoint.get_address(), inEndpoint.get_address()) != 0 );
+
+  if(ret < sizeof(NTPPacket)) //TODO: Accept chunks
+  {
+    ERR("Receive packet size does not match");
+    m_sock.close();
+    return NTP_PRTCL;
+  }
+
+  if( pkt.stratum == 0)  //Kiss of death message : Not good !
+  {
+    ERR("Kissed to death!");
+    m_sock.close();
+    return NTP_PRTCL;
+  }
+
+  //Correct Endianness
+  pkt.refTm_s = ntohl( pkt.refTm_s );
+  pkt.refTm_f = ntohl( pkt.refTm_f );
+  pkt.origTm_s = ntohl( pkt.origTm_s );
+  pkt.origTm_f = ntohl( pkt.origTm_f );
+  pkt.rxTm_s = ntohl( pkt.rxTm_s );
+  pkt.rxTm_f = ntohl( pkt.rxTm_f );
+  pkt.txTm_s = ntohl( pkt.txTm_s );
+  pkt.txTm_f = ntohl( pkt.txTm_f );
+
+  //Compute offset, see RFC 4330 p.13
+  uint32_t destTm_s = (NTP_TIMESTAMP_DELTA + time(NULL));
+  int64_t offset = ( (int64_t)( pkt.rxTm_s - pkt.origTm_s ) + (int64_t) ( pkt.txTm_s - destTm_s ) ) / 2; //Avoid overflow
+  DBG("Sent @%ul", pkt.txTm_s);
+  DBG("Offset: %lld", offset);
+  //Set time accordingly
+  set_time( time(NULL) + offset );
+
+#ifdef __DEBUG__
+  ctTime = time(NULL);
+  DBG("Time is now (UTC): %s", ctime(&ctTime));
+#endif
+
+  m_sock.close();
+
+  return NTP_OK;
+}
+
diff --git a/libraries/tests/net/protocols/NTPClient_HelloWorld/NTPClient/NTPClient.h b/libraries/tests/net/protocols/NTPClient_HelloWorld/NTPClient/NTPClient.h
new file mode 100644
index 0000000000..d66cb2de04
--- /dev/null
+++ b/libraries/tests/net/protocols/NTPClient_HelloWorld/NTPClient/NTPClient.h
@@ -0,0 +1,102 @@
+/* NTPClient.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/** \file
+NTP Client header file
+*/
+
+#ifndef NTPCLIENT_H_
+#define NTPCLIENT_H_
+
+#include 
+
+using std::uint8_t;
+using std::uint16_t;
+using std::uint32_t;
+
+#include "UDPSocket.h"
+
+#define NTP_DEFAULT_PORT 123
+#define NTP_DEFAULT_TIMEOUT 4000
+
+///NTP client results
+enum NTPResult
+{
+  NTP_DNS, ///
+#define DBG(x, ...) std::printf("[HTTPClient : DBG]"x"\r\n", ##__VA_ARGS__); 
+#define WARN(x, ...) std::printf("[HTTPClient : WARN]"x"\r\n", ##__VA_ARGS__); 
+#define ERR(x, ...) std::printf("[HTTPClient : ERR]"x"\r\n", ##__VA_ARGS__); 
+
+#else
+//Disable debug
+#define DBG(x, ...) 
+#define WARN(x, ...)
+#define ERR(x, ...) 
+
+#endif
+
+#define HTTP_PORT 80
+
+#define OK 0
+
+#define MIN(x,y) (((x)<(y))?(x):(y))
+#define MAX(x,y) (((x)>(y))?(x):(y))
+
+#define CHUNK_SIZE 256
+
+#include 
+
+#include "HTTPClient.h"
+
+HTTPClient::HTTPClient() :
+m_sock(), m_basicAuthUser(NULL), m_basicAuthPassword(NULL), m_httpResponseCode(0)
+{
+
+}
+
+HTTPClient::~HTTPClient()
+{
+
+}
+
+#if 0
+void HTTPClient::basicAuth(const char* user, const char* password) //Basic Authentification
+{
+  m_basicAuthUser = user;
+  m_basicAuthPassword = password;
+}
+#endif
+
+HTTPResult HTTPClient::get(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
+{
+  return connect(url, HTTP_GET, NULL, pDataIn, timeout);
+}
+
+HTTPResult HTTPClient::get(const char* url, char* result, size_t maxResultLen, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
+{
+  HTTPText str(result, maxResultLen);
+  return get(url, &str, timeout);
+}
+
+HTTPResult HTTPClient::post(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
+{
+  return connect(url, HTTP_POST, (IHTTPDataOut*)&dataOut, pDataIn, timeout);
+}
+
+HTTPResult HTTPClient::put(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
+{
+  return connect(url, HTTP_PUT, (IHTTPDataOut*)&dataOut, pDataIn, timeout);
+}
+
+HTTPResult HTTPClient::del(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
+{
+  return connect(url, HTTP_DELETE, NULL, pDataIn, timeout);
+}
+
+
+int HTTPClient::getHTTPResponseCode()
+{
+  return m_httpResponseCode;
+}
+
+#define CHECK_CONN_ERR(ret) \
+  do{ \
+    if(ret) { \
+      m_sock.close(); \
+      ERR("Connection error (%d)", ret); \
+      return HTTP_CONN; \
+    } \
+  } while(0)
+
+#define PRTCL_ERR() \
+  do{ \
+    m_sock.close(); \
+    ERR("Protocol error"); \
+    return HTTP_PRTCL; \
+  } while(0)
+
+HTTPResult HTTPClient::connect(const char* url, HTTP_METH method, IHTTPDataOut* pDataOut, IHTTPDataIn* pDataIn, int timeout) //Execute request
+{ 
+  m_httpResponseCode = 0; //Invalidate code
+  m_timeout = timeout;
+  
+  pDataIn->writeReset();
+  if( pDataOut )
+  {
+    pDataOut->readReset();
+  }
+
+  char scheme[8];
+  uint16_t port;
+  char host[32];
+  char path[64];
+  //First we need to parse the url (http[s]://host[:port][/[path]]) -- HTTPS not supported (yet?)
+  HTTPResult res = parseURL(url, scheme, sizeof(scheme), host, sizeof(host), &port, path, sizeof(path));
+  if(res != HTTP_OK)
+  {
+    ERR("parseURL returned %d", res);
+    return res;
+  }
+
+  if(port == 0) //TODO do handle HTTPS->443
+  {
+    port = 80;
+  }
+
+  DBG("Scheme: %s", scheme);
+  DBG("Host: %s", host);
+  DBG("Port: %d", port);
+  DBG("Path: %s", path);
+
+  //Connect
+  DBG("Connecting socket to server");
+  int ret = m_sock.connect(host, port);
+  if (ret < 0)
+  {
+    m_sock.close();
+    ERR("Could not connect");
+    return HTTP_CONN;
+  }
+
+  //Send request
+  DBG("Sending request");
+  char buf[CHUNK_SIZE];
+  const char* meth = (method==HTTP_GET)?"GET":(method==HTTP_POST)?"POST":(method==HTTP_PUT)?"PUT":(method==HTTP_DELETE)?"DELETE":"";
+  snprintf(buf, sizeof(buf), "%s %s HTTP/1.1\r\nHost: %s\r\n", meth, path, host); //Write request
+  ret = send(buf);
+  if(ret)
+  {
+    m_sock.close();
+    ERR("Could not write request");
+    return HTTP_CONN;
+  }
+
+  //Send all headers
+
+  //Send default headers
+  DBG("Sending headers");
+  if( pDataOut != NULL )
+  {
+    if( pDataOut->getIsChunked() )
+    {
+      ret = send("Transfer-Encoding: chunked\r\n");
+      CHECK_CONN_ERR(ret);
+    }
+    else
+    {
+      snprintf(buf, sizeof(buf), "Content-Length: %d\r\n", pDataOut->getDataLen());
+      ret = send(buf);
+      CHECK_CONN_ERR(ret);
+    }
+    char type[48];
+    if( pDataOut->getDataType(type, 48) == HTTP_OK )
+    {
+      snprintf(buf, sizeof(buf), "Content-Type: %s\r\n", type);
+      ret = send(buf);
+      CHECK_CONN_ERR(ret);
+    }
+  }
+  
+  //Close headers
+  DBG("Headers sent");
+  ret = send("\r\n");
+  CHECK_CONN_ERR(ret);
+
+  size_t trfLen;
+  
+  //Send data (if available)
+  if( pDataOut != NULL )
+  {
+    DBG("Sending data");
+    while(true)
+    {
+      size_t writtenLen = 0;
+      pDataOut->read(buf, CHUNK_SIZE, &trfLen);
+      if( pDataOut->getIsChunked() )
+      {
+        //Write chunk header
+        char chunkHeader[16];
+        snprintf(chunkHeader, sizeof(chunkHeader), "%X\r\n", trfLen); //In hex encoding
+        ret = send(chunkHeader);
+        CHECK_CONN_ERR(ret);
+      }
+      else if( trfLen == 0 )
+      {
+        break;
+      }
+      if( trfLen != 0 )
+      {
+        ret = send(buf, trfLen);
+        CHECK_CONN_ERR(ret);
+      }
+
+      if( pDataOut->getIsChunked()  )
+      {
+        ret = send("\r\n"); //Chunk-terminating CRLF
+        CHECK_CONN_ERR(ret);
+      }
+      else
+      {
+        writtenLen += trfLen;
+        if( writtenLen >= pDataOut->getDataLen() )
+        {
+          break;
+        }
+      }
+
+      if( trfLen == 0 )
+      {
+        break;
+      }
+    }
+
+  }
+  
+  //Receive response
+  DBG("Receiving response");
+  ret = recv(buf, CHUNK_SIZE - 1, CHUNK_SIZE - 1, &trfLen); //Read n bytes
+  CHECK_CONN_ERR(ret);
+
+  buf[trfLen] = '\0';
+
+  char* crlfPtr = strstr(buf, "\r\n");
+  if(crlfPtr == NULL)
+  {
+    PRTCL_ERR();
+  }
+
+  int crlfPos = crlfPtr - buf;
+  buf[crlfPos] = '\0';
+
+  //Parse HTTP response
+  if( sscanf(buf, "HTTP/%*d.%*d %d %*[^\r\n]", &m_httpResponseCode) != 1 )
+  {
+    //Cannot match string, error
+    ERR("Not a correct HTTP answer : %s\n", buf);
+    PRTCL_ERR();
+  }
+
+  if( (m_httpResponseCode < 200) || (m_httpResponseCode >= 300) )
+  {
+    //Did not return a 2xx code; TODO fetch headers/(&data?) anyway and implement a mean of writing/reading headers 
+    WARN("Response code %d", m_httpResponseCode);
+    PRTCL_ERR();
+  }
+
+  DBG("Reading headers");
+
+  memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well
+  trfLen -= (crlfPos + 2);
+
+  size_t recvContentLength = 0;
+  bool recvChunked = false;
+  //Now get headers
+  while( true )
+  {
+    crlfPtr = strstr(buf, "\r\n");
+    if(crlfPtr == NULL)
+    {
+      if( trfLen < CHUNK_SIZE - 1 )
+      {
+        size_t newTrfLen;
+        ret = recv(buf + trfLen, 1, CHUNK_SIZE - trfLen - 1, &newTrfLen);
+        trfLen += newTrfLen;
+        buf[trfLen] = '\0';
+        DBG("Read %d chars; In buf: [%s]", newTrfLen, buf);
+        CHECK_CONN_ERR(ret);
+        continue;
+      }
+      else
+      {
+        PRTCL_ERR();
+      }
+    }
+
+    crlfPos = crlfPtr - buf;
+
+    if(crlfPos == 0) //End of headers
+    {
+      DBG("Headers read");
+      memmove(buf, &buf[2], trfLen - 2 + 1); //Be sure to move NULL-terminating char as well
+      trfLen -= 2;
+      break;
+    }
+
+    buf[crlfPos] = '\0';
+
+    char key[32];
+    char value[32];
+
+    key[31] = '\0';
+    value[31] = '\0';
+
+    int n = sscanf(buf, "%31[^:]: %31[^\r\n]", key, value);
+    if ( n == 2 )
+    {
+      DBG("Read header : %s: %s\n", key, value);
+      if( !strcmp(key, "Content-Length") )
+      {
+        sscanf(value, "%d", &recvContentLength);
+        pDataIn->setDataLen(recvContentLength);
+      }
+      else if( !strcmp(key, "Transfer-Encoding") )
+      {
+        if( !strcmp(value, "Chunked") || !strcmp(value, "chunked") )
+        {
+          recvChunked = true;
+          pDataIn->setIsChunked(true);
+        }
+      }
+      else if( !strcmp(key, "Content-Type") )
+      {
+        pDataIn->setDataType(value);
+      }
+
+      memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well
+      trfLen -= (crlfPos + 2);
+
+    }
+    else
+    {
+      ERR("Could not parse header");
+      PRTCL_ERR();
+    }
+
+  }
+
+  //Receive data
+  DBG("Receiving data");
+  while(true)
+  {
+    size_t readLen = 0;
+
+    if( recvChunked )
+    {
+      //Read chunk header
+      bool foundCrlf;
+      do
+      {
+        foundCrlf = false;
+        crlfPos=0;
+        buf[trfLen]=0;
+        if(trfLen >= 2)
+        {
+          for(; crlfPos < trfLen - 2; crlfPos++)
+          {
+            if( buf[crlfPos] == '\r' && buf[crlfPos + 1] == '\n' )
+            {
+              foundCrlf = true;
+              break;
+            }
+          }
+        }
+        if(!foundCrlf) //Try to read more
+        {
+          if( trfLen < CHUNK_SIZE )
+          {
+            size_t newTrfLen;
+            ret = recv(buf + trfLen, 0, CHUNK_SIZE - trfLen - 1, &newTrfLen);
+            trfLen += newTrfLen;
+            CHECK_CONN_ERR(ret);
+            continue;
+          }
+          else
+          {
+            PRTCL_ERR();
+          }
+        }
+      } while(!foundCrlf);
+      buf[crlfPos] = '\0';
+      int n = sscanf(buf, "%x", &readLen);
+      if(n!=1)
+      {
+        ERR("Could not read chunk length");
+        PRTCL_ERR();
+      }
+
+      memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2)); //Not need to move NULL-terminating char any more
+      trfLen -= (crlfPos + 2);
+
+      if( readLen == 0 )
+      {
+        //Last chunk
+        break;
+      }
+    }
+    else
+    {
+      readLen = recvContentLength;
+    }
+
+    DBG("Retrieving %d bytes", readLen);
+
+    do
+    {
+      pDataIn->write(buf, MIN(trfLen, readLen));
+      if( trfLen > readLen )
+      {
+        memmove(buf, &buf[readLen], trfLen - readLen);
+        trfLen -= readLen;
+        readLen = 0;
+      }
+      else
+      {
+        readLen -= trfLen;
+      }
+
+      if(readLen)
+      {
+        ret = recv(buf, 1, CHUNK_SIZE - trfLen - 1, &trfLen);
+        CHECK_CONN_ERR(ret);
+      }
+    } while(readLen);
+
+    if( recvChunked )
+    {
+      if(trfLen < 2)
+      {
+        size_t newTrfLen;
+        //Read missing chars to find end of chunk
+        ret = recv(buf + trfLen, 2 - trfLen, CHUNK_SIZE - trfLen - 1, &newTrfLen);
+        CHECK_CONN_ERR(ret);
+        trfLen += newTrfLen;
+      }
+      if( (buf[0] != '\r') || (buf[1] != '\n') )
+      {
+        ERR("Format error");
+        PRTCL_ERR();
+      }
+      memmove(buf, &buf[2], trfLen - 2);
+      trfLen -= 2;
+    }
+    else
+    {
+      break;
+    }
+
+  }
+
+  m_sock.close();
+  DBG("Completed HTTP transaction");
+
+  return HTTP_OK;
+}
+
+HTTPResult HTTPClient::recv(char* buf, size_t minLen, size_t maxLen, size_t* pReadLen) //0 on success, err code on failure
+{
+  DBG("Trying to read between %d and %d bytes", minLen, maxLen);
+  size_t readLen = 0;
+      
+  if(!m_sock.is_connected())
+  {
+    WARN("Connection was closed by server");
+    return HTTP_CLOSED; //Connection was closed by server 
+  }
+    
+  int ret;
+  while(readLen < maxLen)
+  {
+    if(readLen < minLen)
+    {
+      DBG("Trying to read at most %d bytes [Blocking]", minLen - readLen);
+      m_sock.set_blocking(false, m_timeout);
+      ret = m_sock.receive_all(buf + readLen, minLen - readLen);
+    }
+    else
+    {
+      DBG("Trying to read at most %d bytes [Not blocking]", maxLen - readLen);
+      m_sock.set_blocking(false, 0);
+      ret = m_sock.receive(buf + readLen, maxLen - readLen);
+    }
+    
+    if( ret > 0)
+    {
+      readLen += ret;
+    }
+    else if( ret == 0 )
+    {
+      break;
+    }
+    else
+    {
+      if(!m_sock.is_connected())
+      {
+        ERR("Connection error (recv returned %d)", ret);
+        *pReadLen = readLen;
+        return HTTP_CONN;
+      }
+      else
+      {
+        break;      
+      }
+    }
+    
+    if(!m_sock.is_connected())
+    {
+      break;
+    }
+  }
+  DBG("Read %d bytes", readLen);
+  *pReadLen = readLen;
+  return HTTP_OK;
+}
+
+HTTPResult HTTPClient::send(char* buf, size_t len) //0 on success, err code on failure
+{
+  if(len == 0)
+  {
+    len = strlen(buf);
+  }
+  DBG("Trying to write %d bytes", len);
+  size_t writtenLen = 0;
+    
+  if(!m_sock.is_connected())
+  {
+    WARN("Connection was closed by server");
+    return HTTP_CLOSED; //Connection was closed by server 
+  }
+  
+  m_sock.set_blocking(false, m_timeout);
+  int ret = m_sock.send_all(buf, len);
+  if(ret > 0)
+  {
+    writtenLen += ret;
+  }
+  else if( ret == 0 )
+  {
+    WARN("Connection was closed by server");
+    return HTTP_CLOSED; //Connection was closed by server
+  }
+  else
+  {
+    ERR("Connection error (send returned %d)", ret);
+    return HTTP_CONN;
+  }
+  
+  DBG("Written %d bytes", writtenLen);
+  return HTTP_OK;
+}
+
+HTTPResult HTTPClient::parseURL(const char* url, char* scheme, size_t maxSchemeLen, char* host, size_t maxHostLen, uint16_t* port, char* path, size_t maxPathLen) //Parse URL
+{
+  char* schemePtr = (char*) url;
+  char* hostPtr = (char*) strstr(url, "://");
+  if(hostPtr == NULL)
+  {
+    WARN("Could not find host");
+    return HTTP_PARSE; //URL is invalid
+  }
+
+  if( maxSchemeLen < hostPtr - schemePtr + 1 ) //including NULL-terminating char
+  {
+    WARN("Scheme str is too small (%d >= %d)", maxSchemeLen, hostPtr - schemePtr + 1);
+    return HTTP_PARSE;
+  }
+  memcpy(scheme, schemePtr, hostPtr - schemePtr);
+  scheme[hostPtr - schemePtr] = '\0';
+
+  hostPtr+=3;
+
+  size_t hostLen = 0;
+
+  char* portPtr = strchr(hostPtr, ':');
+  if( portPtr != NULL )
+  {
+    hostLen = portPtr - hostPtr;
+    portPtr++;
+    if( sscanf(portPtr, "%hu", port) != 1)
+    {
+      WARN("Could not find port");
+      return HTTP_PARSE;
+    }
+  }
+  else
+  {
+    *port=0;
+  }
+  char* pathPtr = strchr(hostPtr, '/');
+  if( hostLen == 0 )
+  {
+    hostLen = pathPtr - hostPtr;
+  }
+
+  if( maxHostLen < hostLen + 1 ) //including NULL-terminating char
+  {
+    WARN("Host str is too small (%d >= %d)", maxHostLen, hostLen + 1);
+    return HTTP_PARSE;
+  }
+  memcpy(host, hostPtr, hostLen);
+  host[hostLen] = '\0';
+
+  size_t pathLen;
+  char* fragmentPtr = strchr(hostPtr, '#');
+  if(fragmentPtr != NULL)
+  {
+    pathLen = fragmentPtr - pathPtr;
+  }
+  else
+  {
+    pathLen = strlen(pathPtr);
+  }
+
+  if( maxPathLen < pathLen + 1 ) //including NULL-terminating char
+  {
+    WARN("Path str is too small (%d >= %d)", maxPathLen, pathLen + 1);
+    return HTTP_PARSE;
+  }
+  memcpy(path, pathPtr, pathLen);
+  path[pathLen] = '\0';
+
+  return HTTP_OK;
+}
diff --git a/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/HTTPClient.h b/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/HTTPClient.h
new file mode 100644
index 0000000000..25301c3649
--- /dev/null
+++ b/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/HTTPClient.h
@@ -0,0 +1,159 @@
+/* HTTPClient.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/** \file
+HTTP Client header file
+*/
+
+#ifndef HTTP_CLIENT_H
+#define HTTP_CLIENT_H
+
+#include "TCPSocketConnection.h"
+
+#define HTTP_CLIENT_DEFAULT_TIMEOUT 15000
+
+class HTTPData;
+
+#include "IHTTPData.h"
+#include "mbed.h"
+
+///HTTP client results
+enum HTTPResult
+{
+  HTTP_PROCESSING, ///
+
+using std::size_t;
+
+///This is a simple interface for HTTP data storage (impl examples are Key/Value Pairs, File, etc...)
+class IHTTPDataOut
+{
+protected:
+  friend class HTTPClient;
+  
+  /** Reset stream to its beginning 
+   * Called by the HTTPClient on each new request
+   */
+  virtual void readReset() = 0;
+
+  /** Read a piece of data to be transmitted
+   * @param buf Pointer to the buffer on which to copy the data
+   * @param len Length of the buffer
+   * @param pReadLen Pointer to the variable on which the actual copied data length will be stored
+   */
+  virtual int read(char* buf, size_t len, size_t* pReadLen) = 0;
+  
+  /** Get MIME type
+   * @param type Internet media type from Content-Type header
+   */
+  virtual int getDataType(char* type, size_t maxTypeLen) = 0; //Internet media type for Content-Type header
+  
+  /** Determine whether the HTTP client should chunk the data
+   *  Used for Transfer-Encoding header
+   */
+  virtual bool getIsChunked() = 0;
+  
+  /** If the data is not chunked, get its size
+   *  Used for Content-Length header
+   */
+  virtual size_t getDataLen() = 0;
+
+};
+
+///This is a simple interface for HTTP data storage (impl examples are Key/Value Pairs, File, etc...)
+class IHTTPDataIn
+{
+protected:
+  friend class HTTPClient;
+
+  /** Reset stream to its beginning 
+   * Called by the HTTPClient on each new request
+   */
+  virtual void writeReset() = 0;
+
+  /** Write a piece of data transmitted by the server
+   * @param buf Pointer to the buffer from which to copy the data
+   * @param len Length of the buffer
+   */
+  virtual int write(const char* buf, size_t len) = 0;
+
+  /** Set MIME type
+   * @param type Internet media type from Content-Type header
+   */
+  virtual void setDataType(const char* type) = 0;
+
+  /** Determine whether the data is chunked
+   *  Recovered from Transfer-Encoding header
+   */
+  virtual void setIsChunked(bool chunked) = 0;
+  
+  /** If the data is not chunked, set its size
+   * From Content-Length header
+   */
+  virtual void setDataLen(size_t len) = 0;
+
+};
+
+#endif
diff --git a/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/data/HTTPMap.cpp b/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/data/HTTPMap.cpp
new file mode 100644
index 0000000000..5eb4c52e6e
--- /dev/null
+++ b/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/data/HTTPMap.cpp
@@ -0,0 +1,200 @@
+/* HTTPMap.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "HTTPMap.h"
+
+#include 
+
+#include 
+
+#define OK 0
+
+using std::strncpy;
+
+HTTPMap::HTTPMap() : m_pos(0), m_count(0)
+{
+
+}
+
+void HTTPMap::put(const char* key, const char* value)
+{
+  if(m_count >= HTTPMAP_TABLE_SIZE)
+  {
+    return;
+  }
+  m_keys[m_count] = key;
+  m_values[m_count] = value;
+  m_count++;
+}
+
+void HTTPMap::clear()
+{
+  m_count = 0;
+  m_pos = 0;
+}
+
+/*virtual*/ void HTTPMap::readReset()
+{
+  m_pos = 0;
+}
+
+/*virtual*/ int HTTPMap::read(char* buf, size_t len, size_t* pReadLen)
+{
+  if(m_pos >= m_count)
+  {
+    *pReadLen = 0;
+    m_pos = 0;
+    return OK;
+  }
+
+  //URL encode
+  char* out = buf;
+  const char* in = m_keys[m_pos];
+  if( (m_pos != 0) && (out - buf < len - 1) )
+  {
+    *out='&';
+    out++;
+  }
+
+  while( (*in != '\0') && (out - buf < len - 3) )
+  {
+    if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
+    {
+      *out = *in;
+      out++;
+    }
+    else if( *in == ' ' )
+    {
+      *out='+';
+      out++;
+    }
+    else
+    {
+      char hex[] = "0123456789abcdef";
+      *out='%';
+      out++;
+      *out=hex[(*in>>4)&0xf];
+      out++;
+      *out=hex[(*in)&0xf];
+      out++;
+    }
+    in++;
+  }
+
+  if( out - buf < len - 1 )
+  {
+    *out='=';
+    out++;
+  }
+
+  in = m_values[m_pos];
+  while( (*in != '\0') && (out - buf < len - 3) )
+  {
+    if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
+    {
+      *out = *in;
+      out++;
+    }
+    else if( *in == ' ' )
+    {
+      *out='+';
+      out++;
+    }
+    else
+    {
+      char hex[] = "0123456789abcdef";
+      *out='%';
+      out++;
+      *out=hex[(*in>>4)&0xf];
+      out++;
+      *out=hex[(*in)&0xf];
+      out++;
+    }
+    in++;
+  }
+
+  *pReadLen = out - buf;
+
+  m_pos++;
+  return OK;
+}
+
+/*virtual*/ int HTTPMap::getDataType(char* type, size_t maxTypeLen) //Internet media type for Content-Type header
+{
+  strncpy(type, "application/x-www-form-urlencoded", maxTypeLen-1);
+  type[maxTypeLen-1] = '\0';
+  return OK;
+}
+
+/*virtual*/ bool HTTPMap::getIsChunked() //For Transfer-Encoding header
+{
+  return false; ////Data is computed one key/value pair at a time
+}
+
+/*virtual*/ size_t HTTPMap::getDataLen() //For Content-Length header
+{
+  size_t count = 0;
+  for(size_t i = 0; i< m_count; i++)
+  {
+    //URL encode
+    const char* in = m_keys[i];
+    if( i != 0 )
+    {
+      count++;
+    }
+
+    while( (*in != '\0') )
+    {
+      if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
+      {
+        count++;
+      }
+      else if( *in == ' ' )
+      {
+        count++;
+      }
+      else
+      {
+        count+=3;
+      }
+      in++;
+    }
+
+    count ++;
+
+    in = m_values[i];
+    while( (*in != '\0') )
+    {
+      if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
+      {
+        count++;
+      }
+      else if( *in == ' ' )
+      {
+        count++;
+      }
+      else
+      {
+        count+=3;
+      }
+      in++;
+    }
+  }
+  return count;
+}
diff --git a/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/data/HTTPMap.h b/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/data/HTTPMap.h
new file mode 100644
index 0000000000..c8433778ff
--- /dev/null
+++ b/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/data/HTTPMap.h
@@ -0,0 +1,71 @@
+/* HTTPMap.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef HTTPMAP_H_
+#define HTTPMAP_H_
+
+#include "../IHTTPData.h"
+
+#define HTTPMAP_TABLE_SIZE 32
+
+/** Map of key/value pairs
+ * Used to transmit POST data using the application/x-www-form-urlencoded encoding
+ */
+class HTTPMap: public IHTTPDataOut
+{
+public:
+  /**
+   Instantiates HTTPMap
+   It supports at most 32 key/values pairs
+   */
+  HTTPMap();
+
+  /** Put Key/Value pair
+   The references to the parameters must remain valid as long as the clear() function is not called
+   @param key The key to use
+   @param value The corresponding value
+   */
+  void put(const char* key, const char* value);
+
+  /** Clear table
+   */
+  void clear();
+
+protected:
+  //IHTTPDataIn
+  virtual void readReset();
+
+  virtual int read(char* buf, size_t len, size_t* pReadLen);
+
+  virtual int getDataType(char* type, size_t maxTypeLen); //Internet media type for Content-Type header
+
+  virtual bool getIsChunked(); //For Transfer-Encoding header
+
+  virtual size_t getDataLen(); //For Content-Length header
+
+private:
+  const char* m_keys[HTTPMAP_TABLE_SIZE];
+  const char* m_values[HTTPMAP_TABLE_SIZE];
+
+  size_t m_pos;
+  size_t m_count;
+};
+
+#endif /* HTTPMAP_H_ */
diff --git a/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/data/HTTPText.cpp b/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/data/HTTPText.cpp
new file mode 100644
index 0000000000..18cd42070f
--- /dev/null
+++ b/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/data/HTTPText.cpp
@@ -0,0 +1,104 @@
+/* HTTPText.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "HTTPText.h"
+
+#include 
+
+#define OK 0
+
+using std::memcpy;
+using std::strncpy;
+using std::strlen;
+
+#define MIN(x,y) (((x)<(y))?(x):(y))
+
+HTTPText::HTTPText(char* str) : m_str(str), m_pos(0)
+{
+  m_size = strlen(str) + 1;
+}
+
+HTTPText::HTTPText(char* str, size_t size) : m_str(str), m_size(size), m_pos(0)
+{
+
+}
+
+//IHTTPDataIn
+/*virtual*/ void HTTPText::readReset()
+{
+  m_pos = 0;
+}
+
+/*virtual*/ int HTTPText::read(char* buf, size_t len, size_t* pReadLen)
+{
+  *pReadLen = MIN(len, m_size - 1 - m_pos);
+  memcpy(buf, m_str + m_pos, *pReadLen);
+  m_pos += *pReadLen;
+  return OK;
+}
+
+/*virtual*/ int HTTPText::getDataType(char* type, size_t maxTypeLen) //Internet media type for Content-Type header
+{
+  strncpy(type, "text/plain", maxTypeLen-1);
+  type[maxTypeLen-1] = '\0';
+  return OK;
+}
+
+/*virtual*/ bool HTTPText::getIsChunked() //For Transfer-Encoding header
+{
+  return false;
+}
+
+/*virtual*/ size_t HTTPText::getDataLen() //For Content-Length header
+{
+  return m_size - 1;
+}
+
+//IHTTPDataOut
+/*virtual*/ void HTTPText::writeReset()
+{
+  m_pos = 0;
+}
+
+/*virtual*/ int HTTPText::write(const char* buf, size_t len)
+{
+  size_t writeLen = MIN(len, m_size - 1 - m_pos);
+  memcpy(m_str + m_pos, buf, writeLen);
+  m_pos += writeLen;
+  m_str[m_pos] = '\0';
+  return OK;
+}
+
+/*virtual*/ void HTTPText::setDataType(const char* type) //Internet media type from Content-Type header
+{
+
+}
+
+/*virtual*/ void HTTPText::setIsChunked(bool chunked) //From Transfer-Encoding header
+{
+
+}
+
+/*virtual*/ void HTTPText::setDataLen(size_t len) //From Content-Length header, or if the transfer is chunked, next chunk length
+{
+
+}
+
+
+
diff --git a/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/data/HTTPText.h b/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/data/HTTPText.h
new file mode 100644
index 0000000000..f55ff762ae
--- /dev/null
+++ b/libraries/tests/net/vodafone/HTTPClient_HelloWorld/HTTPClient/data/HTTPText.h
@@ -0,0 +1,72 @@
+/* HTTPText.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef HTTPTEXT_H_
+#define HTTPTEXT_H_
+
+#include "../IHTTPData.h"
+
+/** A data endpoint to store text
+*/
+class HTTPText : public IHTTPDataIn, public IHTTPDataOut
+{
+public:
+  /** Create an HTTPText instance for output
+   * @param str String to be transmitted
+   */
+  HTTPText(char* str);
+
+  /** Create an HTTPText instance for input
+   * @param str Buffer to store the incoming string
+   * @param size Size of the buffer
+   */
+  HTTPText(char* str, size_t size);
+
+protected:
+  //IHTTPDataIn
+  virtual void readReset();
+  
+  virtual int read(char* buf, size_t len, size_t* pReadLen);
+
+  virtual int getDataType(char* type, size_t maxTypeLen); //Internet media type for Content-Type header
+
+  virtual bool getIsChunked(); //For Transfer-Encoding header
+
+  virtual size_t getDataLen(); //For Content-Length header
+
+  //IHTTPDataOut
+  virtual void writeReset();
+  
+  virtual int write(const char* buf, size_t len);
+
+  virtual void setDataType(const char* type); //Internet media type from Content-Type header
+
+  virtual void setIsChunked(bool chunked); //From Transfer-Encoding header
+
+  virtual void setDataLen(size_t len); //From Content-Length header, or if the transfer is chunked, next chunk length
+
+private:
+  char* m_str;
+  size_t m_size;
+
+  size_t m_pos;
+};
+
+#endif /* HTTPTEXT_H_ */
diff --git a/libraries/tests/net/vodafone/HTTPClient_HelloWorld/main.cpp b/libraries/tests/net/vodafone/HTTPClient_HelloWorld/main.cpp
new file mode 100644
index 0000000000..cc8aabdc99
--- /dev/null
+++ b/libraries/tests/net/vodafone/HTTPClient_HelloWorld/main.cpp
@@ -0,0 +1,58 @@
+#include "mbed.h"
+#include "VodafoneUSBModem.h"
+#include "HTTPClient.h"
+#include "test_env.h"
+
+int main() 
+{    
+    printf("Connecting...\n");
+    
+    VodafoneUSBModem modem;
+    HTTPClient http;
+    char str[512];
+
+    int ret = modem.connect("internet", "web", "web");
+    if(ret)
+    {
+      printf("Could not connect\n");
+      notify_completion(false); //Blocks indefinitely
+    }
+    
+    //GET data
+    printf("Trying to fetch page...\n");
+    ret = http.get("http://mbed.org/media/uploads/donatien/hello.txt", str, 128);
+    if (!ret)
+    {
+      printf("Page fetched successfully - read %d characters\n", strlen(str));
+      printf("Result: %s\n", str);
+    }
+    else
+    {
+      printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
+      modem.disconnect();
+      notify_completion(false); //Blocks indefinitely
+    }
+    
+    //POST data
+    HTTPMap map;
+    HTTPText text(str, 512);
+    map.put("Hello", "World");
+    map.put("test", "1234");
+    printf("Trying to post data...\n");
+    ret = http.post("http://httpbin.org/post", map, &text);
+    if (!ret)
+    {
+      printf("Executed POST successfully - read %d characters\n", strlen(str));
+      printf("Result: %s\n", str);
+    }
+    else
+    {
+      printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
+      modem.disconnect();
+      notify_completion(false); //Blocks indefinitely
+    }
+    
+    modem.disconnect();  
+    
+    notify_completion(true); //Blocks indefinitely
+}
diff --git a/libraries/tests/net/vodafone/USSD_SMS_HelloWorld/main.cpp b/libraries/tests/net/vodafone/USSD_SMS_HelloWorld/main.cpp
new file mode 100644
index 0000000000..30aafb2df5
--- /dev/null
+++ b/libraries/tests/net/vodafone/USSD_SMS_HelloWorld/main.cpp
@@ -0,0 +1,138 @@
+#include "mbed.h"
+#include "VodafoneUSBModem.h"
+#include "test_env.h"
+
+bool compare_msisdn(char* remote_msisdn, char* local_msisdn)
+{
+  if( !memcmp(remote_msisdn, "+44", 3) ) //Conver to local number
+  {
+    remote_msisdn += 2;
+    remote_msisdn[0] = '0';
+  }
+  if( !memcmp(local_msisdn, "+44", 3) ) //Conver to local number
+  {
+    local_msisdn += 2;
+    local_msisdn[0] = '0';
+  }
+  return !strcmp(remote_msisdn, local_msisdn);
+}
+
+bool run(VodafoneUSBModem& modem)
+{
+    char local_msisdn[32];
+    char remote_msisdn[32];
+    char local_msg[192];
+    char remote_msg[192];
+
+    int ret;
+    //Clear SMS inbox
+    size_t count;
+    do
+    {
+      ret = modem.getSMCount(&count);
+      if(ret)
+      {
+        return false;
+      }
+      if(count)
+      {
+        //Fetch SMS
+        ret = modem.getSM(remote_msisdn, remote_msg, 192);
+        if(ret)
+        {
+          return false;
+        }
+      }
+    } while(count);
+
+    //Now get MSISDN using USSD
+    ret = modem.sendUSSD("*#100#", local_msisdn, 32);
+    if(ret)
+    {
+      return false;
+    }
+    
+    printf("Local MSISDN is %s\n", local_msisdn);
+    
+    //Makeup a random text message (32 uppper case letters)
+    for(int i = 0; i < 32; i++)
+    {
+      local_msg[i] = 'A' + (rand() % 26); //This is pseudo-random only, but we don't really care anyway
+    } 
+    local_msg[32] = '\0'; //Terminate string
+    
+    printf("Sending '%s'\n", local_msg);
+    
+    //Send SM
+    ret = modem.sendSM(local_msisdn, local_msg);
+    if(ret)
+    {
+      return false;
+    }
+    
+    //Now wait for corresponding message for 15s max
+    Timer t;
+    t.start();
+    do
+    {
+      ret = modem.getSMCount(&count);
+      if(ret)
+      {
+        return false;
+      }
+      if(count)
+      {
+        //Fetch SM
+        ret = modem.getSM(remote_msisdn, remote_msg, 192);
+        if(ret)
+        {
+          return false;
+        }
+        
+        printf("Received '%s' from %s\n", remote_msg, remote_msisdn);
+      
+        if( compare_msisdn(remote_msisdn, local_msisdn) && !strcmp(remote_msg, local_msg) )
+        {
+          break;
+        }
+      }
+      if(t.read_ms() > 15000)
+      {
+        return false;
+      }
+      Thread::wait(500);
+    } while(true);
+    
+    //Success :)
+    return true;    
+}
+
+void test(void const*)  
+{    
+    VodafoneUSBModem modem;
+    bool test = run(modem);
+    if(test)
+    {
+      printf("Test successful\n");
+      notify_completion(true);
+    }
+    else
+    {
+      printf("Test failed\n");
+      notify_completion(false);
+    }
+    //notify_completion() blocks indefinitely
+}
+
+int main()
+{
+  Thread testTask(test, NULL, osPriorityNormal, 1024 * 5);
+  DigitalOut led(LED1);
+  while(1)
+  {
+    led=!led;
+    Thread::wait(1000);  
+  }
+
+  return 0;
+}
diff --git a/libraries/tests/peripherals/ADXL345/ADXL345.cpp b/libraries/tests/peripherals/ADXL345/ADXL345.cpp
new file mode 100644
index 0000000000..bc8f97c46e
--- /dev/null
+++ b/libraries/tests/peripherals/ADXL345/ADXL345.cpp
@@ -0,0 +1,405 @@
+/**
+ * @author Aaron Berk
+ * 
+ * @section LICENSE
+ *
+ * Copyright (c) 2010 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @section DESCRIPTION
+ *
+ * ADXL345, triple axis, digital interface, accelerometer.
+ *
+ * Datasheet:
+ *
+ * http://www.analog.com/static/imported-files/data_sheets/ADXL345.pdf
+ */  
+ 
+/**
+ * Includes
+ */
+#include "ADXL345.h"
+
+ADXL345::ADXL345(PinName mosi, 
+                 PinName miso, 
+                 PinName sck, 
+                 PinName cs) : spi_(mosi, miso, sck), nCS_(cs) {
+
+    //2MHz, allowing us to use the fastest data rates.
+    spi_.frequency(2000000);
+    spi_.format(8,3);
+    
+    nCS_ = 1;
+
+    wait_us(500);
+
+}
+
+int ADXL345::getDevId(void) {
+
+    return oneByteRead(ADXL345_DEVID_REG);
+
+}
+
+int ADXL345::getTapThreshold(void) {
+
+    return oneByteRead(ADXL345_THRESH_TAP_REG);
+
+}
+
+void ADXL345::setTapThreshold(int threshold) {
+
+    oneByteWrite(ADXL345_THRESH_TAP_REG, threshold);
+
+}
+
+int ADXL345::getOffset(int axis) {
+
+    int address = 0;
+
+    if (axis == ADXL345_X) {
+        address = ADXL345_OFSX_REG;
+    } else if (axis == ADXL345_Y) {
+        address = ADXL345_OFSY_REG;
+    } else if (axis == ADXL345_Z) {
+        address = ADXL345_OFSZ_REG;
+    }
+
+    return oneByteRead(address);
+
+}
+
+void ADXL345::setOffset(int axis, char offset) {
+
+    int address = 0;
+
+    if (axis == ADXL345_X) {
+        address = ADXL345_OFSX_REG;
+    } else if (axis == ADXL345_Y) {
+        address = ADXL345_OFSY_REG;
+    } else if (axis == ADXL345_Z) {
+        address = ADXL345_OFSZ_REG;
+    }
+
+    return oneByteWrite(address, offset);
+
+}
+
+int ADXL345::getTapDuration(void) {
+
+    return oneByteRead(ADXL345_DUR_REG)*625;
+
+}
+
+void ADXL345::setTapDuration(int duration_us) {
+
+    int tapDuration = duration_us / 625;
+
+    oneByteWrite(ADXL345_DUR_REG, tapDuration);
+
+}
+
+float ADXL345::getTapLatency(void) {
+
+    return oneByteRead(ADXL345_LATENT_REG)*1.25;
+
+}
+
+void ADXL345::setTapLatency(int latency_ms) {
+
+    int tapLatency = latency_ms / 1.25;
+
+    oneByteWrite(ADXL345_LATENT_REG, tapLatency);
+
+}
+
+float ADXL345::getWindowTime(void) {
+
+    return oneByteRead(ADXL345_WINDOW_REG)*1.25;
+
+}
+
+void ADXL345::setWindowTime(int window_ms) {
+
+    int windowTime = window_ms / 1.25;
+
+    oneByteWrite(ADXL345_WINDOW_REG, windowTime);
+
+}
+
+int ADXL345::getActivityThreshold(void) {
+
+    return oneByteRead(ADXL345_THRESH_ACT_REG);
+
+}
+
+void ADXL345::setActivityThreshold(int threshold) {
+
+    oneByteWrite(ADXL345_THRESH_ACT_REG, threshold);
+
+}
+
+int ADXL345::getInactivityThreshold(void) {
+
+    return oneByteRead(ADXL345_THRESH_INACT_REG);
+
+}
+
+void ADXL345::setInactivityThreshold(int threshold) {
+
+    return oneByteWrite(ADXL345_THRESH_INACT_REG, threshold);
+
+}
+
+int ADXL345::getTimeInactivity(void) {
+
+    return oneByteRead(ADXL345_TIME_INACT_REG);
+
+}
+
+void ADXL345::setTimeInactivity(int timeInactivity) {
+
+    oneByteWrite(ADXL345_TIME_INACT_REG, timeInactivity);
+
+}
+
+int ADXL345::getActivityInactivityControl(void) {
+
+    return oneByteRead(ADXL345_ACT_INACT_CTL_REG);
+
+}
+
+void ADXL345::setActivityInactivityControl(int settings) {
+
+    oneByteWrite(ADXL345_ACT_INACT_CTL_REG, settings);
+
+}
+
+int ADXL345::getFreefallThreshold(void) {
+
+    return oneByteRead(ADXL345_THRESH_FF_REG);
+
+}
+
+void ADXL345::setFreefallThreshold(int threshold) {
+
+    oneByteWrite(ADXL345_THRESH_FF_REG, threshold);
+
+}
+
+int ADXL345::getFreefallTime(void) {
+
+    return oneByteRead(ADXL345_TIME_FF_REG)*5;
+
+}
+
+void ADXL345::setFreefallTime(int freefallTime_ms) {
+
+    int freefallTime = freefallTime_ms / 5;
+
+    oneByteWrite(ADXL345_TIME_FF_REG, freefallTime);
+
+}
+
+int ADXL345::getTapAxisControl(void) {
+
+    return oneByteRead(ADXL345_TAP_AXES_REG);
+
+}
+
+void ADXL345::setTapAxisControl(int settings) {
+
+    oneByteWrite(ADXL345_TAP_AXES_REG, settings);
+
+}
+
+int ADXL345::getTapSource(void) {
+
+    return oneByteRead(ADXL345_ACT_TAP_STATUS_REG);
+
+}
+
+void ADXL345::setPowerMode(char mode) {
+
+    //Get the current register contents, so we don't clobber the rate value.
+    char registerContents = oneByteRead(ADXL345_BW_RATE_REG);
+
+    registerContents = (mode << 4) | registerContents;
+
+    oneByteWrite(ADXL345_BW_RATE_REG, registerContents);
+
+}
+
+int ADXL345::getPowerControl(void) {
+
+    return oneByteRead(ADXL345_POWER_CTL_REG);
+
+}
+
+void ADXL345::setPowerControl(int settings) {
+
+    oneByteWrite(ADXL345_POWER_CTL_REG, settings);
+
+}
+
+int ADXL345::getInterruptEnableControl(void) {
+
+    return oneByteRead(ADXL345_INT_ENABLE_REG);
+
+}
+
+void ADXL345::setInterruptEnableControl(int settings) {
+
+    oneByteWrite(ADXL345_INT_ENABLE_REG, settings);
+
+}
+
+int ADXL345::getInterruptMappingControl(void) {
+
+    return oneByteRead(ADXL345_INT_MAP_REG);
+
+}
+
+void ADXL345::setInterruptMappingControl(int settings) {
+
+    oneByteWrite(ADXL345_INT_MAP_REG, settings);
+
+}
+
+int ADXL345::getInterruptSource(void){
+
+    return oneByteRead(ADXL345_INT_SOURCE_REG);
+
+}
+
+int ADXL345::getDataFormatControl(void){
+
+    return oneByteRead(ADXL345_DATA_FORMAT_REG);
+
+}
+
+void ADXL345::setDataFormatControl(int settings){
+
+    oneByteWrite(ADXL345_DATA_FORMAT_REG, settings);
+
+}
+
+void ADXL345::setDataRate(int rate) {
+
+    //Get the current register contents, so we don't clobber the power bit.
+    char registerContents = oneByteRead(ADXL345_BW_RATE_REG);
+
+    registerContents &= 0x10;
+    registerContents |= rate;
+
+    oneByteWrite(ADXL345_BW_RATE_REG, registerContents);
+
+}
+
+void ADXL345::getOutput(int* readings){
+
+    char buffer[6];
+    
+    multiByteRead(ADXL345_DATAX0_REG, buffer, 6);
+    
+    readings[0] = (int)buffer[1] << 8 | (int)buffer[0];
+    readings[1] = (int)buffer[3] << 8 | (int)buffer[2];
+    readings[2] = (int)buffer[5] << 8 | (int)buffer[4];
+
+}
+
+int ADXL345::getFifoControl(void){
+
+    return oneByteRead(ADXL345_FIFO_CTL);
+
+}
+
+void ADXL345::setFifoControl(int settings){
+
+    oneByteWrite(ADXL345_FIFO_STATUS, settings);
+
+}
+
+int ADXL345::getFifoStatus(void){
+
+    return oneByteRead(ADXL345_FIFO_STATUS);
+
+}
+
+int ADXL345::oneByteRead(int address) {
+
+    int tx = (ADXL345_SPI_READ | (address & 0x3F));
+    int rx = 0;
+
+    nCS_ = 0;
+    //Send address to read from.
+    spi_.write(tx);
+    //Read back contents of address.
+    rx = spi_.write(0x00);
+    nCS_ = 1;
+
+    return rx;
+
+}
+
+void ADXL345::oneByteWrite(int address, char data) {
+
+    int tx = (ADXL345_SPI_WRITE | (address & 0x3F));
+
+    nCS_ = 0;
+    //Send address to write to.
+    spi_.write(tx);
+    //Send data to be written.
+    spi_.write(data);
+    nCS_ = 1;
+
+}
+
+void ADXL345::multiByteRead(int startAddress, char* buffer, int size) {
+
+    int tx = (ADXL345_SPI_READ | ADXL345_MULTI_BYTE | (startAddress & 0x3F));
+
+    nCS_ = 0;
+    //Send address to start reading from.
+    spi_.write(tx);
+
+    for (int i = 0; i < size; i++) {
+        buffer[i] = spi_.write(0x00);
+    }
+
+    nCS_ = 1;
+
+}
+
+void ADXL345::multiByteWrite(int startAddress, char* buffer, int size) {
+
+    int tx = (ADXL345_SPI_WRITE | ADXL345_MULTI_BYTE | (startAddress & 0x3F));
+
+    nCS_ = 0;
+    //Send address to start reading from.
+    spi_.write(tx);
+
+    for (int i = 0; i < size; i++) {
+        buffer[i] = spi_.write(0x00);
+    }
+
+    nCS_ = 1;
+
+}
diff --git a/libraries/tests/peripherals/ADXL345/ADXL345.h b/libraries/tests/peripherals/ADXL345/ADXL345.h
new file mode 100644
index 0000000000..c02c975bc2
--- /dev/null
+++ b/libraries/tests/peripherals/ADXL345/ADXL345.h
@@ -0,0 +1,537 @@
+/**
+ * @author Aaron Berk
+ *
+ * @section LICENSE
+ *
+ * Copyright (c) 2010 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @section DESCRIPTION
+ *
+ * ADXL345, triple axis, digital interface, accelerometer.
+ *
+ * Datasheet:
+ *
+ * http://www.analog.com/static/imported-files/data_sheets/ADXL345.pdf
+ */  
+
+#ifndef ADXL345_H
+#define ADXL345_H
+
+/**
+ * Includes
+ */
+#include "mbed.h"
+
+/**
+ * Defines
+ */
+//Registers.
+#define ADXL345_DEVID_REG          0x00
+#define ADXL345_THRESH_TAP_REG     0x1D
+#define ADXL345_OFSX_REG           0x1E
+#define ADXL345_OFSY_REG           0x1F
+#define ADXL345_OFSZ_REG           0x20
+#define ADXL345_DUR_REG            0x21
+#define ADXL345_LATENT_REG         0x22
+#define ADXL345_WINDOW_REG         0x23
+#define ADXL345_THRESH_ACT_REG     0x24
+#define ADXL345_THRESH_INACT_REG   0x25
+#define ADXL345_TIME_INACT_REG     0x26
+#define ADXL345_ACT_INACT_CTL_REG  0x27
+#define ADXL345_THRESH_FF_REG      0x28
+#define ADXL345_TIME_FF_REG        0x29
+#define ADXL345_TAP_AXES_REG       0x2A
+#define ADXL345_ACT_TAP_STATUS_REG 0x2B
+#define ADXL345_BW_RATE_REG        0x2C
+#define ADXL345_POWER_CTL_REG      0x2D
+#define ADXL345_INT_ENABLE_REG     0x2E
+#define ADXL345_INT_MAP_REG        0x2F
+#define ADXL345_INT_SOURCE_REG     0x30
+#define ADXL345_DATA_FORMAT_REG    0x31
+#define ADXL345_DATAX0_REG         0x32
+#define ADXL345_DATAX1_REG         0x33
+#define ADXL345_DATAY0_REG         0x34
+#define ADXL345_DATAY1_REG         0x35
+#define ADXL345_DATAZ0_REG         0x36
+#define ADXL345_DATAZ1_REG         0x37
+#define ADXL345_FIFO_CTL           0x38
+#define ADXL345_FIFO_STATUS        0x39
+
+//Data rate codes.
+#define ADXL345_3200HZ      0x0F
+#define ADXL345_1600HZ      0x0E
+#define ADXL345_800HZ       0x0D
+#define ADXL345_400HZ       0x0C
+#define ADXL345_200HZ       0x0B
+#define ADXL345_100HZ       0x0A
+#define ADXL345_50HZ        0x09
+#define ADXL345_25HZ        0x08
+#define ADXL345_12HZ5       0x07
+#define ADXL345_6HZ25       0x06
+
+#define ADXL345_SPI_READ    0x80
+#define ADXL345_SPI_WRITE   0x00
+#define ADXL345_MULTI_BYTE  0x60
+
+#define ADXL345_X           0x00
+#define ADXL345_Y           0x01
+#define ADXL345_Z           0x02
+
+/**
+ * ADXL345 triple axis, digital interface, accelerometer.
+ */
+class ADXL345 {
+
+public:
+
+    /**
+     * Constructor.
+     *
+     * @param mosi mbed pin to use for MOSI line of SPI interface.
+     * @param miso mbed pin to use for MISO line of SPI interface.
+     * @param sck mbed pin to use for SCK line of SPI interface.
+     * @param cs mbed pin to use for not chip select line of SPI interface.
+     */
+    ADXL345(PinName mosi, PinName miso, PinName sck, PinName cs);
+
+    /**
+     * Read the device ID register on the device.
+     *
+     * @return The device ID code [0xE5]
+     */
+    int getDevId(void);
+
+    /**
+     * Read the tap threshold on the device.
+     *
+     * @return The tap threshold as an 8-bit number with a scale factor of
+     *         62.5mg/LSB.
+     */
+    int getTapThreshold(void);
+
+    /**
+     * Set the tap threshold.
+     *
+     * @param The tap threshold as an 8-bit number with a scale factor of
+     *        62.5mg/LSB.
+     */
+    void setTapThreshold(int threshold);
+
+    /**
+     * Get the current offset for a particular axis.
+     *
+     * @param axis 0x00 -> X-axis
+     *             0x01 -> Y-axis
+     *             0x02 -> Z-axis
+     * @return The current offset as an 8-bit 2's complement number with scale
+     *         factor 15.6mg/LSB.
+     */
+    int getOffset(int axis);
+
+    /**
+     * Set the offset for a particular axis.
+     *
+     * @param axis 0x00 -> X-axis
+     *             0x01 -> Y-axis
+     *             0x02 -> Z-axis
+     * @param offset The offset as an 8-bit 2's complement number with scale
+     *               factor 15.6mg/LSB.
+     */
+    void setOffset(int axis, char offset);
+
+    /**
+     * Get the tap duration required to trigger an event.
+     *
+     * @return The max time that an event must be above the tap threshold to
+     *         qualify as a tap event, in microseconds.
+     */
+    int getTapDuration(void);
+
+    /**
+     * Set the tap duration required to trigger an event.
+     *
+     * @param duration_us The max time that an event must be above the tap
+     *                    threshold to qualify as a tap event, in microseconds.
+     *                    Time will be normalized by the scale factor which is
+     *                    625us/LSB. A value of 0 disables the single/double
+     *                    tap functions.
+     */
+    void setTapDuration(int duration_us);
+
+    /**
+     * Get the tap latency between the detection of a tap and the time window.
+     *
+     * @return The wait time from the detection of a tap event to the start of
+     *         the time window during which a possible second tap event can be
+     *         detected in milliseconds.
+     */
+    float getTapLatency(void);
+
+    /**
+     * Set the tap latency between the detection of a tap and the time window.
+     *
+     * @param latency_ms The wait time from the detection of a tap event to the
+     *                   start of the time window during which a possible
+     *                   second tap event can be detected in milliseconds.
+     *                   A value of 0 disables the double tap function.
+     */
+    void setTapLatency(int latency_ms);
+
+    /**
+     * Get the time of window between tap latency and a double tap.
+     *
+     * @return The amount of time after the expiration of the latency time
+     *         during which a second valid tap can begin, in milliseconds.
+     */
+    float getWindowTime(void);
+
+    /**
+     * Set the time of the window between tap latency and a double tap.
+     *
+     * @param window_ms The amount of time after the expiration of the latency
+     *                  time during which a second valid tap can begin,
+     *                  in milliseconds.
+     */
+    void setWindowTime(int window_ms);
+
+    /**
+     * Get the threshold value for detecting activity.
+     *
+     * @return The threshold value for detecting activity as an 8-bit number.
+     *         Scale factor is 62.5mg/LSB.
+     */
+    int getActivityThreshold(void);
+
+    /**
+     * Set the threshold value for detecting activity.
+     *
+     * @param threshold The threshold value for detecting activity as an 8-bit
+     *                  number. Scale factor is 62.5mg/LSB. A value of 0 may
+     *                  result in undesirable behavior if the activity
+     *                  interrupt is enabled.
+     */
+    void setActivityThreshold(int threshold);
+
+    /**
+     * Get the threshold value for detecting inactivity.
+     *
+     * @return The threshold value for detecting inactivity as an 8-bit number.
+     *         Scale factor is 62.5mg/LSB.
+     */
+    int getInactivityThreshold(void);
+
+    /**
+     * Set the threshold value for detecting inactivity.
+     *
+     * @param threshold The threshold value for detecting inactivity as an
+     *                  8-bit number. Scale factor is 62.5mg/LSB.
+     */
+    void setInactivityThreshold(int threshold);
+
+    /**
+     * Get the time required for inactivity to be declared.
+     *
+     * @return The amount of time that acceleration must be less than the
+     *         inactivity threshold for inactivity to be declared, in
+     *         seconds.
+     */
+    int getTimeInactivity(void);
+    
+    /**
+     * Set the time required for inactivity to be declared.
+     *
+     * @param inactivity The amount of time that acceleration must be less than
+     *                   the inactivity threshold for inactivity to be
+     *                   declared, in seconds. A value of 0 results in an
+     *                   interrupt when the output data is less than the
+     *                   threshold inactivity.
+     */
+    void setTimeInactivity(int timeInactivity);
+    
+    /**
+     * Get the activity/inactivity control settings.
+     *
+     *      D7            D6             D5            D4
+     * +-----------+--------------+--------------+--------------+
+     * | ACT ac/dc | ACT_X enable | ACT_Y enable | ACT_Z enable |
+     * +-----------+--------------+--------------+--------------+
+     *
+     *        D3             D2               D1              D0
+     * +-------------+----------------+----------------+----------------+
+     * | INACT ac/dc | INACT_X enable | INACT_Y enable | INACT_Z enable |
+     * +-------------+----------------+----------------+----------------+
+     *
+     * See datasheet for details.
+     *
+     * @return The contents of the ACT_INACT_CTL register.
+     */
+    int getActivityInactivityControl(void);
+    
+    /**
+     * Set the activity/inactivity control settings.
+     *
+     *      D7            D6             D5            D4
+     * +-----------+--------------+--------------+--------------+
+     * | ACT ac/dc | ACT_X enable | ACT_Y enable | ACT_Z enable |
+     * +-----------+--------------+--------------+--------------+
+     *
+     *        D3             D2               D1              D0
+     * +-------------+----------------+----------------+----------------+
+     * | INACT ac/dc | INACT_X enable | INACT_Y enable | INACT_Z enable |
+     * +-------------+----------------+----------------+----------------+
+     *
+     * See datasheet for details.
+     *
+     * @param settings The control byte to write to the ACT_INACT_CTL register.
+     */
+    void setActivityInactivityControl(int settings);
+    
+    /**
+     * Get the threshold for free fall detection.
+     *
+     * @return The threshold value for free-fall detection, as an 8-bit number,
+     *         with scale factor 62.5mg/LSB.
+     */
+    int getFreefallThreshold(void);
+    
+    /**
+     * Set the threshold for free fall detection.
+     *
+     * @return The threshold value for free-fall detection, as an 8-bit number,
+     *         with scale factor 62.5mg/LSB. A value of 0 may result in 
+     *         undesirable behavior if the free-fall interrupt is enabled.
+     *         Values between 300 mg and 600 mg (0x05 to 0x09) are recommended.
+     */
+    void setFreefallThreshold(int threshold);
+    
+    /**
+     * Get the time required to generate a free fall interrupt.
+     *
+     * @return The minimum time that the value of all axes must be less than
+     *         the freefall threshold to generate a free-fall interrupt, in
+     *         milliseconds.
+     */
+    int getFreefallTime(void);
+    
+    /**
+     * Set the time required to generate a free fall interrupt.
+     *
+     * @return The minimum time that the value of all axes must be less than
+     *         the freefall threshold to generate a free-fall interrupt, in
+     *         milliseconds. A value of 0 may result in undesirable behavior
+     *         if the free-fall interrupt is enabled. Values between 100 ms 
+     *         and 350 ms (0x14 to 0x46) are recommended.
+     */
+    void setFreefallTime(int freefallTime_ms);
+    
+    /**
+     * Get the axis tap settings.
+     *
+     *      D3           D2            D1             D0
+     * +----------+--------------+--------------+--------------+
+     * | Suppress | TAP_X enable | TAP_Y enable | TAP_Z enable |
+     * +----------+--------------+--------------+--------------+
+     *
+     * (D7-D4 are 0s).
+     *
+     * See datasheet for more details.
+     *
+     * @return The contents of the TAP_AXES register.
+     */ 
+    int getTapAxisControl(void);
+    
+    /**
+     * Set the axis tap settings.
+     *
+     *      D3           D2            D1             D0
+     * +----------+--------------+--------------+--------------+
+     * | Suppress | TAP_X enable | TAP_Y enable | TAP_Z enable |
+     * +----------+--------------+--------------+--------------+
+     *
+     * (D7-D4 are 0s).
+     *
+     * See datasheet for more details.
+     *
+     * @param The control byte to write to the TAP_AXES register.
+     */
+    void setTapAxisControl(int settings);
+    
+    /**
+     * Get the source of a tap.
+     *
+     * @return The contents of the ACT_TAP_STATUS register.
+     */
+    int getTapSource(void);
+    
+    /**
+     * Set the power mode.
+     *
+     * @param mode 0 -> Normal operation.
+     *             1 -> Reduced power operation.
+     */
+    void setPowerMode(char mode);
+    
+    /**
+     * Set the data rate.
+     *
+     * @param rate The rate code (see #defines or datasheet).
+     */
+    void setDataRate(int rate);
+    
+    /**
+     * Get the power control settings.
+     *
+     * See datasheet for details.
+     *
+     * @return The contents of the POWER_CTL register.
+     */
+    int getPowerControl(void);
+    
+    /**
+     * Set the power control settings.
+     *
+     * See datasheet for details.
+     *
+     * @param The control byte to write to the POWER_CTL register.
+     */
+    void setPowerControl(int settings);
+    
+    /**
+     * Get the interrupt enable settings.
+     *
+     * @return The contents of the INT_ENABLE register.
+     */
+    int getInterruptEnableControl(void);
+    
+    /**
+     * Set the interrupt enable settings.
+     *
+     * @param settings The control byte to write to the INT_ENABLE register.
+     */
+    void setInterruptEnableControl(int settings);
+    
+    /**
+     * Get the interrupt mapping settings.
+     *
+     * @return The contents of the INT_MAP register.
+     */
+    int getInterruptMappingControl(void);
+    
+    /**
+     * Set the interrupt mapping settings.
+     *
+     * @param settings The control byte to write to the INT_MAP register.
+     */
+    void setInterruptMappingControl(int settings);
+    
+    /**
+     * Get the interrupt source.
+     *
+     * @return The contents of the INT_SOURCE register.
+     */
+    int getInterruptSource(void);
+    
+    /**
+     * Get the data format settings.
+     *
+     * @return The contents of the DATA_FORMAT register.
+     */
+    int getDataFormatControl(void);
+    
+    /**
+     * Set the data format settings.
+     *
+     * @param settings The control byte to write to the DATA_FORMAT register.
+     */
+    void setDataFormatControl(int settings);
+    
+    /**
+     * Get the output of all three axes.
+     *
+     * @param Pointer to a buffer to hold the accelerometer value for the
+     *        x-axis, y-axis and z-axis [in that order].
+     */
+    void getOutput(int* readings);
+    
+    /**
+     * Get the FIFO control settings.
+     *
+     * @return The contents of the FIFO_CTL register.
+     */
+    int getFifoControl(void);
+    
+    /**
+     * Set the FIFO control settings.
+     *
+     * @param The control byte to write to the FIFO_CTL register.
+     */
+    void setFifoControl(int settings);
+    
+    /**
+     * Get FIFO status.
+     *
+     * @return The contents of the FIFO_STATUS register.
+     */
+    int getFifoStatus(void);
+    
+private:
+
+    SPI        spi_;
+    DigitalOut nCS_;
+
+    /**
+     * Read one byte from a register on the device.
+     *
+     * @param address Address of the register to read.
+     *
+     * @return The contents of the register address.
+     */
+    int oneByteRead(int address);
+
+    /**
+     * Write one byte to a register on the device.
+     *
+     * @param address Address of the register to write to.
+     * @param data The data to write into the register.
+     */
+    void oneByteWrite(int address, char data);
+
+    /**
+     * Read several consecutive bytes on the device.
+     *
+     * @param startAddress The address of the first register to read from.
+     * @param buffer Pointer to a buffer to store data read from the device.
+     * @param size The number of bytes to read.
+     */
+    void multiByteRead(int startAddress, char* buffer, int size);
+
+    /**
+     * Write several consecutive bytes on the device.
+     *
+     * @param startAddress The address of the first register to write to.
+     * @param buffer Pointer to a buffer which contains the data to write.
+     * @param size The number of bytes to write.
+     */
+    void multiByteWrite(int startAddress, char* buffer, int size);
+
+};
+
+#endif /* ADXL345_H */
diff --git a/libraries/tests/peripherals/AX12/AX12.cpp b/libraries/tests/peripherals/AX12/AX12.cpp
new file mode 100644
index 0000000000..ff578ec907
--- /dev/null
+++ b/libraries/tests/peripherals/AX12/AX12.cpp
@@ -0,0 +1,534 @@
+/* mbed AX-12+ Servo Library
+ *
+ * Copyright (c) 2010, cstyles (http://mbed.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "AX12.h"
+#include "mbed.h"
+
+AX12::AX12(PinName tx, PinName rx, int ID, int baud)
+        : _ax12(tx,rx) {
+    _baud = baud;
+    _ID = ID;
+    _ax12.baud(_baud);
+
+}
+
+// Set the mode of the servo
+//  0 = Positional (0-300 degrees)
+//  1 = Rotational -1 to 1 speed
+int AX12::SetMode(int mode) {
+
+    if (mode == 1) { // set CR
+        SetCWLimit(0);
+        SetCCWLimit(0);
+        SetCRSpeed(0.0);
+    } else {
+        SetCWLimit(0);
+        SetCCWLimit(300);
+        SetCRSpeed(0.0);
+    }
+    return(0);
+}
+
+
+// if flag[0] is set, were blocking
+// if flag[1] is set, we're registering
+// they are mutually exclusive operations
+int AX12::SetGoal(int degrees, int flags) {
+
+    char reg_flag = 0;
+    char data[2];
+
+    // set the flag is only the register bit is set in the flag
+    if (flags == 0x2) {
+        reg_flag = 1;
+    }
+
+    // 1023 / 300 * degrees
+    short goal = (1023 * degrees) / 300;
+#ifdef AX12_DEBUG
+    printf("SetGoal to 0x%x\n",goal);
+#endif
+
+    data[0] = goal & 0xff; // bottom 8 bits
+    data[1] = goal >> 8;   // top 8 bits
+
+    // write the packet, return the error code
+    int rVal = write(_ID, AX12_REG_GOAL_POSITION, 2, data, reg_flag);
+
+    if (flags == 1) {
+        // block until it comes to a halt
+        while (isMoving()) {}
+    }
+    return(rVal);
+}
+
+
+// Set continuous rotation speed from -1 to 1
+int AX12::SetCRSpeed(float speed) {
+
+    // bit 10     = direction, 0 = CCW, 1=CW
+    // bits 9-0   = Speed
+    char data[2];
+
+    int goal = (0x3ff * abs(speed));
+
+    // Set direction CW if we have a negative speed
+    if (speed < 0) {
+        goal |= (0x1 << 10);
+    }
+
+    data[0] = goal & 0xff; // bottom 8 bits
+    data[1] = goal >> 8;   // top 8 bits
+
+    // write the packet, return the error code
+    int rVal = write(_ID, 0x20, 2, data);
+
+    return(rVal);
+}
+
+
+int AX12::SetCWLimit (int degrees) {
+
+    char data[2];
+
+    // 1023 / 300 * degrees
+    short limit = (1023 * degrees) / 300;
+
+#ifdef AX12_DEBUG
+    printf("SetCWLimit to 0x%x\n",limit);
+#endif
+
+    data[0] = limit & 0xff; // bottom 8 bits
+    data[1] = limit >> 8;   // top 8 bits
+
+    // write the packet, return the error code
+    return (write(_ID, AX12_REG_CW_LIMIT, 2, data));
+
+}
+
+int AX12::SetCCWLimit (int degrees) {
+
+    char data[2];
+
+    // 1023 / 300 * degrees
+    short limit = (1023 * degrees) / 300;
+
+#ifdef AX12_DEBUG
+    printf("SetCCWLimit to 0x%x\n",limit);
+#endif
+
+    data[0] = limit & 0xff; // bottom 8 bits
+    data[1] = limit >> 8;   // top 8 bits
+
+    // write the packet, return the error code
+    return (write(_ID, AX12_REG_CCW_LIMIT, 2, data));
+}
+
+
+int AX12::SetID (int CurrentID, int NewID) {
+
+    char data[1];
+    data[0] = NewID;
+
+#ifdef AX12_DEBUG
+    printf("Setting ID from 0x%x to 0x%x\n",CurrentID,NewID);
+#endif
+
+    return (write(CurrentID, AX12_REG_ID, 1, data));
+
+}
+
+
+int AX12::SetBaud (int baud) {
+
+    char data[1];
+    data[0] = baud;
+
+#ifdef AX12_DEBUG
+    printf("Setting Baud rate to %d\n",baud);
+#endif
+
+    return (write(0xFE, AX12_REG_BAUD, 1, data));
+
+}
+
+
+
+// return 1 is the servo is still in flight
+int AX12::isMoving(void) {
+
+    char data[1];
+    read(_ID,AX12_REG_MOVING,1,data);
+    return(data[0]);
+}
+
+
+void AX12::trigger(void) {
+
+    char TxBuf[16];
+    char sum = 0;
+
+#ifdef AX12_TRIGGER_DEBUG
+    // Build the TxPacket first in RAM, then we'll send in one go
+    printf("\nTriggered\n");
+    printf("\nTrigger Packet\n  Header : 0xFF, 0xFF\n");
+#endif
+
+    TxBuf[0] = 0xFF;
+    TxBuf[1] = 0xFF;
+
+    // ID - Broadcast
+    TxBuf[2] = 0xFE;
+    sum += TxBuf[2];
+
+#ifdef AX12_TRIGGER_DEBUG
+    printf("  ID : %d\n",TxBuf[2]);
+#endif
+
+    // Length
+    TxBuf[3] = 0x02;
+    sum += TxBuf[3];
+
+#ifdef AX12_TRIGGER_DEBUG
+    printf("  Length %d\n",TxBuf[3]);
+#endif
+
+    // Instruction - ACTION
+    TxBuf[4] = 0x04;
+    sum += TxBuf[4];
+
+#ifdef AX12_TRIGGER_DEBUG
+    printf("  Instruction 0x%X\n",TxBuf[5]);
+#endif
+
+    // Checksum
+    TxBuf[5] = 0xFF - sum;
+#ifdef AX12_TRIGGER_DEBUG
+    printf("  Checksum 0x%X\n",TxBuf[5]);
+#endif
+
+    // Transmit the packet in one burst with no pausing
+    for (int i = 0; i < 6 ; i++) {
+        _ax12.putc(TxBuf[i]);
+    }
+
+    // This is a broadcast packet, so there will be no reply
+    return;
+}
+
+
+float AX12::GetPosition(void) {
+
+#ifdef AX12_DEBUG
+    printf("\nGetPosition(%d)",_ID);
+#endif
+
+    char data[2];
+
+    int ErrorCode = read(_ID, AX12_REG_POSITION, 2, data);
+    short position = data[0] + (data[1] << 8);
+    float angle = (position * 300)/1024;
+
+    return (angle);
+}
+
+
+float AX12::GetTemp (void) {
+
+#ifdef AX12_DEBUG
+    printf("\nGetTemp(%d)",_ID);
+#endif
+
+    char data[1];
+    int ErrorCode = read(_ID, AX12_REG_TEMP, 1, data);
+    float temp = data[0];
+    return(temp);
+}
+
+
+float AX12::GetVolts (void) {
+
+#ifdef AX12_DEBUG
+    printf("\nGetVolts(%d)",_ID);
+#endif
+
+    char data[1];
+    int ErrorCode = read(_ID, AX12_REG_VOLTS, 1, data);
+    float volts = data[0]/10.0;
+    return(volts);
+}
+
+
+int AX12::read(int ID, int start, int bytes, char* data) {
+
+    char PacketLength = 0x4;
+    char TxBuf[16];
+    char sum = 0;
+    char Status[16];
+
+    Status[4] = 0xFE; // return code
+
+#ifdef AX12_READ_DEBUG
+    printf("\nread(%d,0x%x,%d,data)\n",ID,start,bytes);
+#endif
+
+    // Build the TxPacket first in RAM, then we'll send in one go
+#ifdef AX12_READ_DEBUG
+    printf("\nInstruction Packet\n  Header : 0xFF, 0xFF\n");
+#endif
+
+    TxBuf[0] = 0xff;
+    TxBuf[1] = 0xff;
+
+    // ID
+    TxBuf[2] = ID;
+    sum += TxBuf[2];
+
+#ifdef AX12_READ_DEBUG
+    printf("  ID : %d\n",TxBuf[2]);
+#endif
+
+    // Packet Length
+    TxBuf[3] = PacketLength;    // Length = 4 ; 2 + 1 (start) = 1 (bytes)
+    sum += TxBuf[3];            // Accululate the packet sum
+
+#ifdef AX12_READ_DEBUG
+    printf("  Length : 0x%x\n",TxBuf[3]);
+#endif
+
+    // Instruction - Read
+    TxBuf[4] = 0x2;
+    sum += TxBuf[4];
+
+#ifdef AX12_READ_DEBUG
+    printf("  Instruction : 0x%x\n",TxBuf[4]);
+#endif
+
+    // Start Address
+    TxBuf[5] = start;
+    sum += TxBuf[5];
+
+#ifdef AX12_READ_DEBUG
+    printf("  Start Address : 0x%x\n",TxBuf[5]);
+#endif
+
+    // Bytes to read
+    TxBuf[6] = bytes;
+    sum += TxBuf[6];
+
+#ifdef AX12_READ_DEBUG
+    printf("  No bytes : 0x%x\n",TxBuf[6]);
+#endif
+
+    // Checksum
+    TxBuf[7] = 0xFF - sum;
+#ifdef AX12_READ_DEBUG
+    printf("  Checksum : 0x%x\n",TxBuf[7]);
+#endif
+
+    // Transmit the packet in one burst with no pausing
+    for (int i = 0; i<8 ; i++) {
+        _ax12.putc(TxBuf[i]);
+    }
+
+    // Wait for the bytes to be transmitted
+    wait (0.00002);
+
+    // Skip if the read was to the broadcast address
+    if (_ID != 0xFE) {
+
+
+
+        // response packet is always 6 + bytes
+        // 0xFF, 0xFF, ID, Length Error, Param(s) Checksum
+        // timeout is a little more than the time to transmit
+        // the packet back, i.e. (6+bytes)*10 bit periods
+
+        int timeout = 0;
+        int plen = 0;
+        while ((timeout < ((6+bytes)*10)) && (plen<(6+bytes))) {
+
+            if (_ax12.readable()) {
+                Status[plen] = _ax12.getc();
+                plen++;
+                timeout = 0;
+            }
+
+            // wait for the bit period
+            wait (1.0/_baud);
+            timeout++;
+        }
+
+        if (timeout == ((6+bytes)*10) ) {
+            return(-1);
+        }
+
+        // Copy the data from Status into data for return
+        for (int i=0; i < Status[3]-2 ; i++) {
+            data[i] = Status[5+i];
+        }
+
+#ifdef AX12_READ_DEBUG
+        printf("\nStatus Packet\n");
+        printf("  Header : 0x%x\n",Status[0]);
+        printf("  Header : 0x%x\n",Status[1]);
+        printf("  ID : 0x%x\n",Status[2]);
+        printf("  Length : 0x%x\n",Status[3]);
+        printf("  Error Code : 0x%x\n",Status[4]);
+
+        for (int i=0; i < Status[3]-2 ; i++) {
+            printf("  Data : 0x%x\n",Status[5+i]);
+        }
+
+        printf("  Checksum : 0x%x\n",Status[5+(Status[3]-2)]);
+#endif
+
+    } // if (ID!=0xFE)
+
+    return(Status[4]);
+}
+
+
+int AX12::write(int ID, int start, int bytes, char* data, int flag) {
+// 0xff, 0xff, ID, Length, Intruction(write), Address, Param(s), Checksum
+
+    char TxBuf[16];
+    char sum = 0;
+    char Status[6];
+
+#ifdef AX12_WRITE_DEBUG
+    printf("\nwrite(%d,0x%x,%d,data,%d)\n",ID,start,bytes,flag);
+#endif
+
+    // Build the TxPacket first in RAM, then we'll send in one go
+#ifdef AX12_WRITE_DEBUG
+    printf("\nInstruction Packet\n  Header : 0xFF, 0xFF\n");
+#endif
+
+    TxBuf[0] = 0xff;
+    TxBuf[1] = 0xff;
+
+    // ID
+    TxBuf[2] = ID;
+    sum += TxBuf[2];
+
+#ifdef AX12_WRITE_DEBUG
+    printf("  ID : %d\n",TxBuf[2]);
+#endif
+
+    // packet Length
+    TxBuf[3] = 3+bytes;
+    sum += TxBuf[3];
+
+#ifdef AX12_WRITE_DEBUG
+    printf("  Length : %d\n",TxBuf[3]);
+#endif
+
+    // Instruction
+    if (flag == 1) {
+        TxBuf[4]=0x04;
+        sum += TxBuf[4];
+    } else {
+        TxBuf[4]=0x03;
+        sum += TxBuf[4];
+    }
+
+#ifdef AX12_WRITE_DEBUG
+    printf("  Instruction : 0x%x\n",TxBuf[4]);
+#endif
+
+    // Start Address
+    TxBuf[5] = start;
+    sum += TxBuf[5];
+
+#ifdef AX12_WRITE_DEBUG
+    printf("  Start : 0x%x\n",TxBuf[5]);
+#endif
+
+    // data
+    for (char i=0; i 63)
+                alert = true;
+            if (temp[i] > 31)
+                temp[i] += 128+64;
+            data[i] = (signed char)temp[i];
+        }
+    } while (alert);
+
+    if (!active)
+        setActive(false);
+}
+
+
+void MMA7660::readData(float *data)
+{
+    int intdata[3];
+    readData(intdata);
+    for (int i = 0; i<3; i++)
+        data[i] = intdata[i]/MMA7660_SENSITIVITY;
+}
+
+float MMA7660::x( void )
+{
+    return getSingle(0);
+}
+
+float MMA7660::y( void )
+{
+    return getSingle(1);
+}
+
+float MMA7660::z( void )
+{
+    return getSingle(2);
+}
+
+
+void MMA7660::setSampleRate(int samplerate)
+{
+    setActive(false);                               //Not allowed to be active to change anything
+    int rates[] = {120, 64, 32, 16, 8, 4, 2, 1};    //Alowed samplerates (and their number in array is also number required for MMA)
+    int sampleLoc = 0, sampleError = 10000, temp;
+    for (int i = 0; i<8; i++) {
+        temp = abs( rates[i] - samplerate );
+        if (tempsamplerate = rates[sampleLoc];
+    setActive(active);                              //Restore previous active state
+}
+
+
+MMA7660::Orientation MMA7660::getSide( void )
+{
+    char tiltreg = read(MMA7660_TILT_R);
+
+    //We care about 2 LSBs
+    tiltreg &= 0x03;
+    if (tiltreg == 0x01)
+        return MMA7660::Front;
+    if (tiltreg == 0x02)
+        return MMA7660::Back;
+    return MMA7660::Unknown;
+}
+
+MMA7660::Orientation MMA7660::getOrientation( void )
+{
+    char tiltreg = read(MMA7660_TILT_R);
+
+    //We care about bit 2, 3 and 4 (counting from zero)
+    tiltreg &= 0x07<<2;
+    tiltreg >>= 2;
+    if (tiltreg == 0x01)
+        return MMA7660::Left;
+    if (tiltreg == 0x02)
+        return MMA7660::Right;
+    if (tiltreg == 0x05)
+        return MMA7660::Down;
+    if (tiltreg == 0x06)
+        return MMA7660::Up;
+    return MMA7660::Unknown;
+}
+
+
+
+//////////////////////////////////////////////
+///////////////PRIVATE////////////////////////
+//////////////////////////////////////////////
+
+
+void MMA7660::write(char address, char data)
+{
+    char temp[2];
+    temp[0]=address;
+    temp[1]=data;
+
+    _i2c.write(MMA7660_ADDRESS, temp, 2);
+}
+
+char MMA7660::read(char address)
+{
+    char retval;
+    _i2c.write(MMA7660_ADDRESS, &address, 1, true);
+    _i2c.read(MMA7660_ADDRESS, &retval, 1);
+    return retval;
+}
+
+void MMA7660::read(char address, char *data, int length)
+{
+    _i2c.write(MMA7660_ADDRESS, &address, 1, true);
+    _i2c.read(MMA7660_ADDRESS, data, length);
+}
+
+float MMA7660::getSingle( int number )
+{
+    if (!active) {
+        setActive(true);
+        wait(0.012 + 1/samplerate); //Wait until new sample is ready
+    }
+
+    signed char temp;
+    bool alert;
+
+    do {
+        alert = false;
+        temp = read(MMA7660_XOUT_R + number);
+        if (temp > 63)
+            alert = true;
+        if (temp > 31)
+            temp += 128+64;
+    } while (alert);
+
+    if (!active)
+        setActive(false);
+
+    return temp / MMA7660_SENSITIVITY;
+}
diff --git a/libraries/tests/peripherals/MMA7660/MMA7660.h b/libraries/tests/peripherals/MMA7660/MMA7660.h
new file mode 100644
index 0000000000..80c7ee0c54
--- /dev/null
+++ b/libraries/tests/peripherals/MMA7660/MMA7660.h
@@ -0,0 +1,207 @@
+/* Copyright (c)  , MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "mbed.h"
+
+
+#ifndef MMA7660_H
+#define MMA7660_H
+
+#define MMA7660_ADDRESS     0x98
+#define MMA7660_SENSITIVITY 21.33
+
+#define MMA7660_XOUT_R      0x00
+#define MMA7660_YOUT_R      0x01
+#define MMA7660_ZOUT_R      0x02
+#define MMA7660_TILT_R      0x03
+#define MMA7660_INT_R       0x06
+#define MMA7660_MODE_R      0x07
+#define MMA7660_SR_R        0x08
+
+
+/** An interface for the MMA7660 triple axis accelerometer
+ *
+ * @code
+ * //Uses the measured z-acceleration to drive leds 2 and 3 of the mbed
+ *
+ * #include "mbed.h"
+ * #include "MMA7660.h"
+ *
+ * MMA7660 MMA(p28, p27);
+ *
+ * DigitalOut connectionLed(LED1);
+ * PwmOut Zaxis_p(LED2);
+ * PwmOut Zaxis_n(LED3);
+ *
+ * int main() {
+ *     if (MMA.testConnection())
+ *         connectionLed = 1;
+ *
+ *     while(1) {
+ *         Zaxis_p = MMA.z();
+ *         Zaxis_n = -MMA.z();
+ *     }
+ *
+ * }
+ * @endcode
+ */
+class MMA7660
+{
+public:
+    /**
+    * The 6 different orientations and unknown
+    *
+    * Up & Down = X-axis
+    * Right & Left = Y-axis
+    * Back & Front = Z-axis
+    *
+    */
+    enum Orientation {Up, Down,
+                      Right, Left,
+                      Back, Front,
+                      Unknown
+                     };
+
+    /**
+    * Creates a new MMA7660 object
+    *
+    * @param sda - I2C data pin
+    * @param scl - I2C clock pin
+    * @param active - true (default) to enable the device, false to keep it standby
+    */
+    MMA7660(PinName sda, PinName scl, bool active = true);
+
+    /**
+    * Tests if communication is possible with the MMA7660
+    *
+    * Because the MMA7660 lacks a WHO_AM_I register, this function can only check
+    * if there is an I2C device that responds to the MMA7660 address
+    *
+    * @param return - true for successfull connection, false for no connection
+    */
+    bool testConnection( void );
+
+    /**
+    * Sets the active state of the MMA7660
+    *
+    * Note: This is unrelated to awake/sleep mode
+    *
+    * @param state - true for active, false for standby
+    */
+    void setActive( bool state);
+
+    /**
+    * Reads acceleration data from the sensor
+    *
+    * When the parameter is a pointer to an integer array it will be the raw data.
+    * When it is a pointer to a float array it will be the acceleration in g's
+    *
+    * @param data - pointer to array with length 3 where the acceleration data will be stored, X-Y-Z
+    */
+    void readData( int *data);
+    void readData( float *data);
+
+    /**
+    * Get X-data
+    *
+    * @param return - X-acceleration in g's
+    */
+    float x( void );
+
+    /**
+    * Get Y-data
+    *
+    * @param return - Y-acceleration in g's
+    */
+    float y( void );
+
+    /**
+    * Get Z-data
+    *
+    * @param return - Z-acceleration in g's
+    */
+    float z( void );
+
+    /**
+    * Sets the active samplerate
+    *
+    * The entered samplerate will be rounded to nearest supported samplerate.
+    * Supported samplerates are: 120 - 64 - 32 - 16 - 8 - 4 - 2 - 1 samples/second.
+    *
+    * @param samplerate - the samplerate that will be set
+    */
+    void setSampleRate(int samplerate);
+
+    /**
+    * Returns if it is on its front, back, or unknown side
+    *
+    * This is read from MMA7760s registers, page 12 of datasheet
+    *
+    * @param return - Front, Back or Unknown orientation
+    */
+    Orientation getSide( void );
+
+    /**
+    * Returns if it is on it left, right, down or up side
+    *
+    * This is read from MMA7760s registers, page 12 of datasheet
+    *
+    * @param return - Left, Right, Down, Up or Unknown orientation
+    */
+    Orientation getOrientation ( void );
+
+
+private:
+
+    /**
+    * Writes data to the device
+    *
+    * @param adress - register address to write to
+    * @param data - data to write
+    */
+    void write( char address, char data);
+
+    /**
+    * Read data from the device
+    *
+    * @param adress - register address to write to
+    * @return - data from the register specified by RA
+    */
+    char read( char adress);
+
+    /**
+     * Read multiple regigsters from the device, more efficient than using multiple normal reads.
+     *
+     * @param adress - register address to write to
+     * @param length - number of bytes to read
+     * @param data - pointer where the data needs to be written to
+     */
+    void read( char adress, char *data, int length);
+
+    /**
+    * Reads single axis
+    */
+    float getSingle(int number);
+
+    I2C _i2c;
+    bool active;
+    float samplerate;
+};
+
+
+#endif
diff --git a/libraries/tests/peripherals/SRF08/SRF08.cpp b/libraries/tests/peripherals/SRF08/SRF08.cpp
new file mode 100644
index 0000000000..c66c8ffe6b
--- /dev/null
+++ b/libraries/tests/peripherals/SRF08/SRF08.cpp
@@ -0,0 +1,67 @@
+
+/*
+Copyright (c) 2010 Chris Styles ( chris dot styles at mbed dot org )
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include "SRF08.h"
+
+
+SRF08::SRF08(PinName sda, PinName scl, int addr) : m_i2c(sda, scl), m_addr(addr) {
+    char cmd[2];
+    
+// Set up SRF08 max range and receiver sensitivity over I2C bus
+    cmd[0] = 0x02;                          // Range register
+    cmd[1] = 0x1C;                          // Set max range about 100cm
+    m_i2c.write(m_addr, cmd, 2);
+    cmd[0] = 0x01;                          // Receiver gain register
+    cmd[1] = 0x1B;                          // Set max receiver gain
+    m_i2c.write(m_addr, cmd, 2);
+
+}
+
+SRF08::~SRF08() {
+
+}
+
+float SRF08::read() {
+
+    char cmd[2];
+    char echo[2];
+
+
+// Get range data from SRF08
+// Send Tx burst command over I2C bus
+    cmd[0] = 0x00;                      // Command register
+    cmd[1] = 0x51;                      // Ranging results in cm
+    m_i2c.write(m_addr, cmd, 2);          // Send ranging burst
+
+    wait(0.07);                         // Wait for return echo
+
+// Read back range over I2C bus
+    cmd[0] = 0x02;                        // Address of first echo
+    m_i2c.write(m_addr, cmd, 1, 1);         // Send address of first echo
+    m_i2c.read(m_addr, echo, 2);            // Read two-byte echo result
+
+// Generate PWM mark/space ratio from range data
+    float range = (echo[0]<<8)+echo[1];
+
+    return range;
+}
diff --git a/libraries/tests/peripherals/SRF08/SRF08.h b/libraries/tests/peripherals/SRF08/SRF08.h
new file mode 100644
index 0000000000..5edaa9ac98
--- /dev/null
+++ b/libraries/tests/peripherals/SRF08/SRF08.h
@@ -0,0 +1,60 @@
+
+/*
+Copyright (c) 2010 Chris Styles (chris dot styles at mbed dot org)
+ 
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+ 
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef SRF08_H
+#define SRF08_H
+
+#include "mbed.h"
+
+//!Library for the SRF08 Ultrasonic Ranger
+/*!
+The SRF08 is an Ultrasonic range finder, with an I2C interface that allows the measurement to be read directly in centimetres
+*/
+class SRF08
+{
+public:
+  //!Creates an instance of the class.
+  /*!
+  Connect module at I2C address addr using I2C port pins sda and scl.
+  SRF08
+  */
+  SRF08(PinName sda, PinName scl, int addr);
+  
+  /*!
+  Destroys instance.
+  */ 
+  ~SRF08();
+  
+  //!Reads the current temperature.
+  /*!
+  Reads the temperature register of the TMP102 and converts it to a useable value.
+  */
+  float read();
+  
+private:
+  I2C m_i2c;
+  int m_addr;
+
+};
+
+#endif
diff --git a/libraries/tests/peripherals/TMP102/TMP102.cpp b/libraries/tests/peripherals/TMP102/TMP102.cpp
new file mode 100644
index 0000000000..8bc074e47d
--- /dev/null
+++ b/libraries/tests/peripherals/TMP102/TMP102.cpp
@@ -0,0 +1,23 @@
+#include "TMP102.h"
+
+#define TEMP_REG_ADDR 0x00
+
+TMP102::TMP102(PinName sda, PinName scl, int addr) : m_i2c(sda, scl), m_addr(addr) {
+    m_i2c.frequency(400000);
+}
+TMP102::~TMP102() { }
+
+float TMP102::read() {
+    const char tempRegAddr = TEMP_REG_ADDR;
+    
+    m_i2c.write(m_addr, &tempRegAddr, 1);
+    
+    char reg[2] = {0,0};
+    m_i2c.read(m_addr, reg, 2);
+    
+    unsigned short res = (reg[0] << 4) | (reg[1] >> 4);
+    
+    float temp =  (float) ((float)res * 0.0625);
+     
+    return temp;
+}
diff --git a/libraries/tests/peripherals/TMP102/TMP102.h b/libraries/tests/peripherals/TMP102/TMP102.h
new file mode 100644
index 0000000000..8925b5ba54
--- /dev/null
+++ b/libraries/tests/peripherals/TMP102/TMP102.h
@@ -0,0 +1,39 @@
+#ifndef TMP102_H
+#define TMP102_H
+
+#include "mbed.h"
+
+//!Library for the TI TMP102 temperature sensor.
+/*!
+The TMP102 is an I2C digital temperature sensor in a small SOT563 package, with a 0.0625C resolution and 0.5C accuracy.
+*/
+class TMP102
+{
+public:
+  //!Creates an instance of the class.
+  /*!
+  Connect module at I2C address addr using I2C port pins sda and scl.
+  TMP102
+  \param addr 
A0 pin connectionAddress
GND0x90
V+0x92
SDA0x94
SCL0x96
  
+  */
+  TMP102(PinName sda, PinName scl, int addr);
+  
+  /*!
+  Destroys instance.
+  */ 
+  ~TMP102();
+  
+  //!Reads the current temperature.
+  /*!
+  Reads the temperature register of the TMP102 and converts it to a useable value.
+  */
+  float read();
+  
+  I2C m_i2c;
+  
+private:
+  int m_addr;
+
+};
+
+#endif
diff --git a/libraries/tests/rtos/cmsis/basic/main.cpp b/libraries/tests/rtos/cmsis/basic/main.cpp
new file mode 100644
index 0000000000..65155b5518
--- /dev/null
+++ b/libraries/tests/rtos/cmsis/basic/main.cpp
@@ -0,0 +1,22 @@
+#include "mbed.h"
+#include "cmsis_os.h"
+
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+
+void led2_thread(void const *argument) {
+    while (true) {
+        led2 = !led2;
+        osDelay(1000);
+    }
+}
+osThreadDef(led2_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+int main() {
+    osThreadCreate(osThread(led2_thread), NULL);
+    
+    while (true) {
+        led1 = !led1;
+        osDelay(500);
+    }
+}
diff --git a/libraries/tests/rtos/cmsis/isr/main.cpp b/libraries/tests/rtos/cmsis/isr/main.cpp
new file mode 100644
index 0000000000..1df5871a2d
--- /dev/null
+++ b/libraries/tests/rtos/cmsis/isr/main.cpp
@@ -0,0 +1,34 @@
+#include "mbed.h"
+#include "rtos.h"
+
+Queue queue;
+
+DigitalOut myled(LED1);
+
+void queue_isr() {
+    queue.put((uint32_t*)2);
+    myled = !myled;
+}
+
+void queue_thread(void const *argument) {
+    while (true) {
+        queue.put((uint32_t*)1);
+        Thread::wait(1000);
+    }
+}
+
+int main (void) {
+    Thread thread(queue_thread);
+    
+    Ticker ticker;
+    ticker.attach(queue_isr, 1.0);
+    
+    while (true) {
+        osEvent evt = queue.get();
+        if (evt.status != osEventMessage) {
+            printf("queue->get() returned %02x status\n\r", evt.status);
+        } else {
+            printf("queue->get() returned %d\n\r", evt.value.v);
+        }
+    }
+}
diff --git a/libraries/tests/rtos/cmsis/mail/main.cpp b/libraries/tests/rtos/cmsis/mail/main.cpp
new file mode 100644
index 0000000000..4eac5617f1
--- /dev/null
+++ b/libraries/tests/rtos/cmsis/mail/main.cpp
@@ -0,0 +1,43 @@
+#include "mbed.h"
+#include "cmsis_os.h"
+
+typedef struct {
+  float    voltage; /* AD result of measured voltage */
+  float    current; /* AD result of measured current */
+  uint32_t counter; /* A counter value               */
+} mail_t;
+
+osMailQDef(mail_box, 16, mail_t);
+osMailQId  mail_box;
+
+void send_thread (void const *argument) {
+    uint32_t i = 0;
+    while (true) {
+        i++; // fake data update
+        mail_t *mail = (mail_t*)osMailAlloc(mail_box, osWaitForever);
+        mail->voltage = (i * 0.1) * 33; 
+        mail->current = (i * 0.1) * 11;
+        mail->counter = i;
+        osMailPut(mail_box, mail);
+        osDelay(1000);
+    }
+}
+
+osThreadDef(send_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+int main (void) {
+    mail_box = osMailCreate(osMailQ(mail_box), NULL);
+    osThreadCreate(osThread(send_thread), NULL);
+    
+    while (true) {
+        osEvent evt = osMailGet(mail_box, osWaitForever);
+        if (evt.status == osEventMail) {
+            mail_t *mail = (mail_t*)evt.value.p;
+            printf("\nVoltage: %.2f V\n\r"   , mail->voltage);
+            printf("Current: %.2f A\n\r"     , mail->current);
+            printf("Number of cycles: %u\n\r", mail->counter);
+            
+            osMailFree(mail_box, mail);
+        }
+    }
+}
diff --git a/libraries/tests/rtos/cmsis/mutex/main.cpp b/libraries/tests/rtos/cmsis/mutex/main.cpp
new file mode 100644
index 0000000000..3e4d92d655
--- /dev/null
+++ b/libraries/tests/rtos/cmsis/mutex/main.cpp
@@ -0,0 +1,33 @@
+#include "mbed.h"
+#include "cmsis_os.h"
+
+osMutexId stdio_mutex;
+osMutexDef(stdio_mutex);
+
+void notify(const char* name, int state) {
+    osMutexWait(stdio_mutex, osWaitForever);
+    printf("%s: %d\n\r", name, state);
+    osMutexRelease(stdio_mutex);
+}
+
+void test_thread(void const *args) {
+    while (true) {
+        notify((const char*)args, 0); osDelay(1000);
+        notify((const char*)args, 1); osDelay(1000);
+    }
+}
+
+void t2(void const *argument) {test_thread("Th 2");}
+osThreadDef(t2, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+void t3(void const *argument) {test_thread("Th 3");}
+osThreadDef(t3, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+int main() {
+    stdio_mutex = osMutexCreate(osMutex(stdio_mutex));
+    
+    osThreadCreate(osThread(t2), NULL);
+    osThreadCreate(osThread(t3), NULL);
+    
+    test_thread((void *)"Th 1");
+}
diff --git a/libraries/tests/rtos/cmsis/queue/main.cpp b/libraries/tests/rtos/cmsis/queue/main.cpp
new file mode 100644
index 0000000000..badce1a273
--- /dev/null
+++ b/libraries/tests/rtos/cmsis/queue/main.cpp
@@ -0,0 +1,48 @@
+#include "mbed.h"
+#include "cmsis_os.h"
+
+typedef struct {
+    float    voltage;   /* AD result of measured voltage */
+    float    current;   /* AD result of measured current */
+    uint32_t counter;   /* A counter value               */
+} message_t;
+
+osPoolDef(mpool, 16, message_t);
+osPoolId  mpool;
+
+osMessageQDef(queue, 16, message_t);
+osMessageQId  queue;
+
+void send_thread (void const *argument) {
+    uint32_t i = 0;
+    while (true) {
+        i++; // fake data update
+        message_t *message = (message_t*)osPoolAlloc(mpool);
+        message->voltage = (i * 0.1) * 33; 
+        message->current = (i * 0.1) * 11;
+        message->counter = i;
+        osMessagePut(queue, (uint32_t)message, osWaitForever);
+        osDelay(1000);
+    }
+}
+
+osThreadDef(send_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+int main (void) {
+    mpool = osPoolCreate(osPool(mpool));
+    queue = osMessageCreate(osMessageQ(queue), NULL);
+    
+    osThreadCreate(osThread(send_thread), NULL);
+    
+    while (true) {
+        osEvent evt = osMessageGet(queue, osWaitForever);
+        if (evt.status == osEventMessage) {
+            message_t *message = (message_t*)evt.value.p;
+            printf("\nVoltage: %.2f V\n\r"   , message->voltage);
+            printf("Current: %.2f A\n\r"     , message->current);
+            printf("Number of cycles: %u\n\r", message->counter);
+            
+            osPoolFree(mpool, message);
+        }
+    }
+}
diff --git a/libraries/tests/rtos/cmsis/semaphore/main.cpp b/libraries/tests/rtos/cmsis/semaphore/main.cpp
new file mode 100644
index 0000000000..4d8d9b53c3
--- /dev/null
+++ b/libraries/tests/rtos/cmsis/semaphore/main.cpp
@@ -0,0 +1,29 @@
+#include "mbed.h"
+#include "cmsis_os.h"
+
+osSemaphoreId two_slots;
+osSemaphoreDef(two_slots);
+
+void test_thread(void const *name) {
+    while (true) {
+        osSemaphoreWait(two_slots, osWaitForever);
+        printf("%s\n\r", (const char*)name);
+        osDelay(1000);
+        osSemaphoreRelease(two_slots);
+    }
+}
+
+void t2(void const *argument) {test_thread("Th 2");}
+osThreadDef(t2, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+void t3(void const *argument) {test_thread("Th 3");}
+osThreadDef(t3, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+int main (void) {
+    two_slots = osSemaphoreCreate(osSemaphore(two_slots), 2);
+    
+    osThreadCreate(osThread(t2), NULL);
+    osThreadCreate(osThread(t3), NULL);
+    
+    test_thread((void *)"Th 1");
+}
diff --git a/libraries/tests/rtos/cmsis/signals/main.cpp b/libraries/tests/rtos/cmsis/signals/main.cpp
new file mode 100644
index 0000000000..190d21ea82
--- /dev/null
+++ b/libraries/tests/rtos/cmsis/signals/main.cpp
@@ -0,0 +1,23 @@
+#include "mbed.h"
+#include "cmsis_os.h"
+
+DigitalOut led(LED1);
+
+void led_thread(void const *argument) {
+    while (true) {
+        // Signal flags that are reported as event are automatically cleared.
+        osSignalWait(0x1, osWaitForever);
+        led = !led;
+    }
+}
+
+osThreadDef(led_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+int main (void) {
+    osThreadId tid = osThreadCreate(osThread(led_thread), NULL);
+    
+    while (true) {
+        osDelay(1000);
+        osSignalSet(tid, 0x1);
+    }
+}
diff --git a/libraries/tests/rtos/cmsis/timer/main.cpp b/libraries/tests/rtos/cmsis/timer/main.cpp
new file mode 100644
index 0000000000..53888c122c
--- /dev/null
+++ b/libraries/tests/rtos/cmsis/timer/main.cpp
@@ -0,0 +1,29 @@
+#include "mbed.h"
+#include "cmsis_os.h"
+
+DigitalOut LEDs[4] = {
+    DigitalOut(LED1), DigitalOut(LED2), DigitalOut(LED3), DigitalOut(LED4)
+};
+
+void blink(void const *n) {
+    LEDs[(int)n] = !LEDs[(int)n];
+}
+
+osTimerDef(blink_0, blink);
+osTimerDef(blink_1, blink);
+osTimerDef(blink_2, blink);
+osTimerDef(blink_3, blink);
+
+int main(void) {
+    osTimerId timer_0 = osTimerCreate(osTimer(blink_0), osTimerPeriodic, (void *)0);
+    osTimerId timer_1 = osTimerCreate(osTimer(blink_1), osTimerPeriodic, (void *)1);
+    osTimerId timer_2 = osTimerCreate(osTimer(blink_2), osTimerPeriodic, (void *)2);
+    osTimerId timer_3 = osTimerCreate(osTimer(blink_3), osTimerPeriodic, (void *)3);
+    
+    osTimerStart(timer_0, 2000);
+    osTimerStart(timer_1, 1000);
+    osTimerStart(timer_2,  500);
+    osTimerStart(timer_3,  250);
+    
+    osDelay(osWaitForever);
+}
diff --git a/libraries/tests/rtos/mbed/basic/main.cpp b/libraries/tests/rtos/mbed/basic/main.cpp
new file mode 100644
index 0000000000..eeecd160a5
--- /dev/null
+++ b/libraries/tests/rtos/mbed/basic/main.cpp
@@ -0,0 +1,21 @@
+#include "mbed.h"
+#include "rtos.h"
+
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+
+void led2_thread(void const *argument) {
+    while (true) {
+        led2 = !led2;
+        Thread::wait(1000);
+    }
+}
+
+int main() {
+    Thread thread(led2_thread);
+    
+    while (true) {
+        led1 = !led1;
+        Thread::wait(500);
+    }
+}
diff --git a/libraries/tests/rtos/mbed/file/main.cpp b/libraries/tests/rtos/mbed/file/main.cpp
new file mode 100644
index 0000000000..4642991f89
--- /dev/null
+++ b/libraries/tests/rtos/mbed/file/main.cpp
@@ -0,0 +1,55 @@
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include "test_env.h"
+#include "rtos.h"
+
+DigitalOut led2(LED2);
+
+#define SIZE 120
+
+void sd_thread(void const *argument) {
+    SDFileSystem sd(p11, p12, p13, p14, "sd");
+    FILE *f = fopen("/sd/out.txt", "w");
+    
+    // allocate buffers
+    uint8_t data_written[SIZE];
+    uint8_t data_read[SIZE];
+    
+    // fill data_written buffer with random data
+    // write these data into the file
+    printf("written: [");
+    for (int i = 0; i < SIZE; i++) {
+        data_written[i] = rand() % 0xff;
+        fprintf(f, "%c", data_written[i]);
+        printf("%d ", data_written[i]);
+    }
+    printf("]\r\nclosing\r\n");
+    fclose(f);
+    
+    // read back the data from the file and store them in data_read
+    f = fopen("/sd/out.txt", "r");
+    printf("read: [");
+    for (int i=0; i queue;
+
+DigitalOut myled(LED1);
+
+void queue_isr() {
+    queue.put((uint32_t*)2);
+    myled = !myled;
+}
+
+void queue_thread(void const *argument) {
+    while (true) {
+        queue.put((uint32_t*)1);
+        Thread::wait(1000);
+    }
+}
+
+int main (void) {
+    Thread thread(queue_thread);
+    
+    Ticker ticker;
+    ticker.attach(queue_isr, 1.0);
+    
+    while (true) {
+        osEvent evt = queue.get();
+        if (evt.status != osEventMessage) {
+            printf("queue->get() returned %02x status\n\r", evt.status);
+        } else {
+            printf("queue->get() returned %d\n\r", evt.value.v);
+        }
+    }
+}
diff --git a/libraries/tests/rtos/mbed/mail/main.cpp b/libraries/tests/rtos/mbed/mail/main.cpp
new file mode 100644
index 0000000000..b87f4e2769
--- /dev/null
+++ b/libraries/tests/rtos/mbed/mail/main.cpp
@@ -0,0 +1,40 @@
+#include "mbed.h"
+#include "rtos.h"
+
+/* Mail */
+typedef struct {
+  float    voltage; /* AD result of measured voltage */
+  float    current; /* AD result of measured current */
+  uint32_t counter; /* A counter value               */
+} mail_t;
+
+Mail mail_box;
+
+void send_thread (void const *argument) {
+    uint32_t i = 0;
+    while (true) {
+        i++; // fake data update
+        mail_t *mail = mail_box.alloc();
+        mail->voltage = (i * 0.1) * 33; 
+        mail->current = (i * 0.1) * 11;
+        mail->counter = i;
+        mail_box.put(mail);
+        Thread::wait(1000);
+    }
+}
+
+int main (void) {
+    Thread thread(send_thread);
+    
+    while (true) {
+        osEvent evt = mail_box.get();
+        if (evt.status == osEventMail) {
+            mail_t *mail = (mail_t*)evt.value.p;
+            printf("\nVoltage: %.2f V\n\r"   , mail->voltage);
+            printf("Current: %.2f A\n\r"     , mail->current);
+            printf("Number of cycles: %u\n\r", mail->counter);
+            
+            mail_box.free(mail);
+        }
+    }
+}
diff --git a/libraries/tests/rtos/mbed/mutex/main.cpp b/libraries/tests/rtos/mbed/mutex/main.cpp
new file mode 100644
index 0000000000..fdcfc8235b
--- /dev/null
+++ b/libraries/tests/rtos/mbed/mutex/main.cpp
@@ -0,0 +1,24 @@
+#include "mbed.h"
+#include "rtos.h"
+
+Mutex stdio_mutex; 
+
+void notify(const char* name, int state) {
+    stdio_mutex.lock();
+    printf("%s: %d\n\r", name, state);
+    stdio_mutex.unlock();
+}
+
+void test_thread(void const *args) {
+    while (true) {
+        notify((const char*)args, 0); Thread::wait(1000);
+        notify((const char*)args, 1); Thread::wait(1000);
+    }
+}
+
+int main() {
+    Thread t2(test_thread, (void *)"Th 2");
+    Thread t3(test_thread, (void *)"Th 3");
+    
+    test_thread((void *)"Th 1");
+}
diff --git a/libraries/tests/rtos/mbed/queue/main.cpp b/libraries/tests/rtos/mbed/queue/main.cpp
new file mode 100644
index 0000000000..e0dc4bf694
--- /dev/null
+++ b/libraries/tests/rtos/mbed/queue/main.cpp
@@ -0,0 +1,41 @@
+#include "mbed.h"
+#include "rtos.h"
+
+typedef struct {
+    float    voltage;   /* AD result of measured voltage */
+    float    current;   /* AD result of measured current */
+    uint32_t counter;   /* A counter value               */
+} message_t;
+
+MemoryPool mpool;
+Queue queue;
+
+/* Send Thread */
+void send_thread (void const *argument) {
+    uint32_t i = 0;
+    while (true) {
+        i++; // fake data update
+        message_t *message = mpool.alloc();
+        message->voltage = (i * 0.1) * 33; 
+        message->current = (i * 0.1) * 11;
+        message->counter = i;
+        queue.put(message);
+        Thread::wait(1000);
+    }
+}
+
+int main (void) {
+    Thread thread(send_thread);
+    
+    while (true) {
+        osEvent evt = queue.get();
+        if (evt.status == osEventMessage) {
+            message_t *message = (message_t*)evt.value.p;
+            printf("\nVoltage: %.2f V\n\r"   , message->voltage);
+            printf("Current: %.2f A\n\r"     , message->current);
+            printf("Number of cycles: %u\n\r", message->counter);
+            
+            mpool.free(message);
+        }
+    }
+}
diff --git a/libraries/tests/rtos/mbed/semaphore/main.cpp b/libraries/tests/rtos/mbed/semaphore/main.cpp
new file mode 100644
index 0000000000..4418f82e60
--- /dev/null
+++ b/libraries/tests/rtos/mbed/semaphore/main.cpp
@@ -0,0 +1,20 @@
+#include "mbed.h"
+#include "rtos.h"
+
+Semaphore two_slots(2);
+
+void test_thread(void const *name) {
+    while (true) {
+        two_slots.wait();
+        printf("%s\n\r", (const char*)name);
+        Thread::wait(1000);
+        two_slots.release();
+    }
+}
+
+int main (void) {
+    Thread t2(test_thread, (void *)"Th 2");
+    Thread t3(test_thread, (void *)"Th 3");
+    
+    test_thread((void *)"Th 1");
+}
diff --git a/libraries/tests/rtos/mbed/signals/main.cpp b/libraries/tests/rtos/mbed/signals/main.cpp
new file mode 100644
index 0000000000..3ec9f42fa2
--- /dev/null
+++ b/libraries/tests/rtos/mbed/signals/main.cpp
@@ -0,0 +1,21 @@
+#include "mbed.h"
+#include "rtos.h"
+
+DigitalOut led(LED1);
+
+void led_thread(void const *argument) {
+    while (true) {
+        // Signal flags that are reported as event are automatically cleared.
+        Thread::signal_wait(0x1);
+        led = !led;
+    }
+}
+
+int main (void) {
+    Thread thread(led_thread);
+    
+    while (true) {
+        Thread::wait(1000);
+        thread.signal_set(0x1);
+    }
+}
diff --git a/libraries/tests/rtos/mbed/timer/main.cpp b/libraries/tests/rtos/mbed/timer/main.cpp
new file mode 100644
index 0000000000..3cf00b6809
--- /dev/null
+++ b/libraries/tests/rtos/mbed/timer/main.cpp
@@ -0,0 +1,24 @@
+#include "mbed.h"
+#include "rtos.h"
+
+DigitalOut LEDs[4] = {
+    DigitalOut(LED1), DigitalOut(LED2), DigitalOut(LED3), DigitalOut(LED4)
+};
+
+void blink(void const *n) {
+    LEDs[(int)n] = !LEDs[(int)n];
+}
+
+int main(void) {
+    RtosTimer led_1_timer(blink, osTimerPeriodic, (void *)0);
+    RtosTimer led_2_timer(blink, osTimerPeriodic, (void *)1);
+    RtosTimer led_3_timer(blink, osTimerPeriodic, (void *)2);
+    RtosTimer led_4_timer(blink, osTimerPeriodic, (void *)3);
+    
+    led_1_timer.start(2000);
+    led_2_timer.start(1000);
+    led_3_timer.start(500);
+    led_4_timer.start(250);
+    
+    Thread::wait(osWaitForever);
+}
diff --git a/libraries/tests/usb/device/audio/main.cpp b/libraries/tests/usb/device/audio/main.cpp
new file mode 100644
index 0000000000..e18891032a
--- /dev/null
+++ b/libraries/tests/usb/device/audio/main.cpp
@@ -0,0 +1,40 @@
+// Playback example with the USBAUDIO library
+
+#include "mbed.h"
+#include "USBAudio.h"
+
+// frequency: 48 kHz
+#define FREQ_SPK 48000
+#define FREQ_MIC 48000
+
+// 2channels: stereo
+#define NB_CHA_SPK 2
+#define NB_CHA_MIC 2
+
+// length computed: each ms, we receive 48 * 16bits ->48 * 2 bytes. as there are two channels, the length will be 48 * 2 * 2
+#define LENGTH_AUDIO_PACKET_SPK (FREQ_SPK / 500) * NB_CHA_SPK
+#define LENGTH_AUDIO_PACKET_MIC (FREQ_MIC / 500) * NB_CHA_MIC
+
+// USBAudio object
+USBAudio audio(FREQ_SPK, NB_CHA_SPK, FREQ_MIC, NB_CHA_MIC, 0xab45, 0x0378);
+
+int main() {
+    // buffer of int
+    int buf_in[LENGTH_AUDIO_PACKET_SPK/sizeof(int)];
+    int buf_out[LENGTH_AUDIO_PACKET_MIC/sizeof(int)];
+    int * stream_out = buf_in;
+    int * stream_in = buf_out;
+    int * tmp = NULL;
+
+    while (1) {
+        // read and write one audio packet each frame
+        audio.readWrite((uint8_t *)stream_in, (uint8_t *)stream_out);
+
+        // swap the buffers
+        tmp = stream_in;
+        stream_in = stream_out;
+        stream_out = tmp;
+    }
+}
+
+
diff --git a/libraries/tests/usb/device/basic/main.cpp b/libraries/tests/usb/device/basic/main.cpp
new file mode 100644
index 0000000000..dcf6af52c0
--- /dev/null
+++ b/libraries/tests/usb/device/basic/main.cpp
@@ -0,0 +1,28 @@
+#include 
+
+#include "mbed.h"
+#include "USBMouse.h"
+
+USBMouse mouse(ABS_MOUSE);
+
+int main(void) {
+    int x_center = (X_MAX_ABS - X_MIN_ABS)/2;
+    int y_center = (Y_MAX_ABS - Y_MIN_ABS)/2;
+    int16_t x_screen = 0;
+    int16_t y_screen = 0;
+    
+    int32_t x_origin = x_center;
+    int32_t y_origin = y_center;
+    int32_t radius = 5000;
+    int32_t angle = 0;
+    
+    while (1) {
+        x_screen = x_origin + cos((double)angle*3.14/180.0)*radius;
+        y_screen = y_origin + sin((double)angle*3.14/180.0)*radius;
+        printf("cos: %f, sin: %f\r\n", cos((double)angle*3.14/180.0)*radius, sin((double)angle)*radius);
+        
+        mouse.move(x_screen, y_screen);
+        angle += 3;
+        wait(0.01);
+    }
+}
diff --git a/libraries/tests/usb/device/keyboard/main.cpp b/libraries/tests/usb/device/keyboard/main.cpp
new file mode 100644
index 0000000000..3c4cbf15a1
--- /dev/null
+++ b/libraries/tests/usb/device/keyboard/main.cpp
@@ -0,0 +1,21 @@
+#include "mbed.h"
+#include "USBKeyboard.h"
+
+//LED1: NUM_LOCK
+//LED2: CAPS_LOCK
+//LED3: SCROLL_LOCK
+BusOut leds(LED1, LED2, LED3);
+
+//USBKeyboard
+USBKeyboard keyboard;
+
+int main(void) {
+    while (1) {
+        keyboard.mediaControl(KEY_VOLUME_DOWN);
+        keyboard.printf("Hello World from Mbed\r\n");
+        keyboard.keyCode('s', KEY_CTRL);
+        keyboard.keyCode(KEY_CAPS_LOCK);
+        leds = keyboard.lockStatus();
+        wait(1);
+    }
+}
diff --git a/libraries/tests/usb/device/midi/main.cpp b/libraries/tests/usb/device/midi/main.cpp
new file mode 100644
index 0000000000..6160215c30
--- /dev/null
+++ b/libraries/tests/usb/device/midi/main.cpp
@@ -0,0 +1,10 @@
+#include "mbed.h"
+#include "USBMIDI.h"
+
+USBMIDI midi;
+Serial pc(USBTX, USBRX);
+
+int main(void)
+{
+    while(1);
+}
diff --git a/libraries/tests/usb/device/mouse_keyboard/main.cpp b/libraries/tests/usb/device/mouse_keyboard/main.cpp
new file mode 100644
index 0000000000..1daae66deb
--- /dev/null
+++ b/libraries/tests/usb/device/mouse_keyboard/main.cpp
@@ -0,0 +1,22 @@
+#include "mbed.h"
+#include "USBMouseKeyboard.h"
+
+//LED1: NUM_LOCK
+//LED2: CAPS_LOCK
+//LED3: SCROLL_LOCK
+BusOut leds(LED1, LED2, LED3);
+
+//USBMouseKeyboard
+USBMouseKeyboard key_mouse;
+
+int main(void) {
+    while (1) {
+        key_mouse.mediaControl(KEY_VOLUME_DOWN);
+        key_mouse.printf("Hello World from Mbed\r\n");
+        key_mouse.keyCode('s', KEY_CTRL);
+        key_mouse.move(20, 0);
+        key_mouse.keyCode(KEY_SCROLL_LOCK);
+        leds = key_mouse.lockStatus();
+        wait(1);
+    }
+}
diff --git a/libraries/tests/usb/device/raw_hid/main.cpp b/libraries/tests/usb/device/raw_hid/main.cpp
new file mode 100644
index 0000000000..0a5d69cfee
--- /dev/null
+++ b/libraries/tests/usb/device/raw_hid/main.cpp
@@ -0,0 +1,26 @@
+#include "mbed.h"
+#include "USBHID.h"
+
+//We declare a USBHID device
+USBHID hid;
+
+//This report will contain data to be sent
+HID_REPORT send_report;
+
+Ticker tic;
+
+void tic_handler();
+void tic_handler() {
+    hid.send(&send_report);
+}
+
+int main(void) {
+    //Fill the report
+    for(int i = 0; i < 64; i++)
+        send_report.data[i] = i;
+    send_report.length = 64;
+
+    tic.attach(tic_handler, 1);
+
+    while (1);
+}
diff --git a/libraries/tests/usb/device/serial/main.cpp b/libraries/tests/usb/device/serial/main.cpp
new file mode 100644
index 0000000000..73e52bbfae
--- /dev/null
+++ b/libraries/tests/usb/device/serial/main.cpp
@@ -0,0 +1,18 @@
+#include "mbed.h"
+#include "USBSerial.h"
+
+//Virtual serial port over USB
+USBSerial serial;
+DigitalOut l1(LED1);
+
+int main(void) {
+    int i = 0;
+
+    while(1)
+    {
+        l1 = !l1;
+        printf("Hello\r\n");
+        serial.printf("I am a virtual serial port: %d\r\n", i++);
+        wait(0.1);
+    }
+}
diff --git a/workspace_tools/__init__.py b/workspace_tools/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/workspace_tools/autotest.py b/workspace_tools/autotest.py
new file mode 100644
index 0000000000..28ec295bb4
--- /dev/null
+++ b/workspace_tools/autotest.py
@@ -0,0 +1,138 @@
+import sys
+import json
+from os.path import join, abspath, dirname, exists
+import datetime
+from time import time
+
+ROOT = abspath(join(dirname(__file__), ".."))
+sys.path.append(ROOT)
+
+from workspace_tools.build_api import build_project, build_mbed_libs
+from workspace_tools.tests import TEST_MAP
+from workspace_tools.client import request_test, get_muts
+from workspace_tools.settings import *
+from workspace_tools.paths import BUILD_DIR
+from workspace_tools.utils import error
+
+
+class TestServer:
+    def __init__(self):
+        self.muts = get_muts()
+    
+    def available(self, target, peripherals=None):
+        if peripherals is not None:
+            peripherals = set(peripherals)
+        
+        for id, mut in self.muts.iteritems():
+            # Target check
+            if mut["mcu"] != target: continue
+            
+            # Peripherals check
+            if peripherals is not None:
+                if 'peripherals' not in mut: continue
+                if not peripherals.issubset(set(mut['peripherals'])): continue
+            
+            return True
+        
+        return False
+    
+    def request(self, target, path, duration, test_id):
+        return request_test(target, path, test_id, duration)
+
+
+def print_results(results, label):
+    print "=== %d %s" % (len(results), label)
+    for r in results:
+        print "   [%s::%s]: %s" % (r['target'], r['toolchain'], TEST_MAP[r["test_id"]].get_description())
+
+
+def store_data(path, data):
+    f = open(path, "w")
+    f.write(json.dumps(data))
+
+def load_data(path):
+    f = open(path)
+    return json.loads(f.read())
+
+
+if __name__ == "__main__":
+    start = time()
+    
+    # Load test specification
+    if len(sys.argv) != 2: error("You should provide a test specification file")
+    test_spec_file = sys.argv[1]
+    if not exists(test_spec_file):
+        error('The selected test spec file does not exists: "%s"' % test_spec_file)
+    f = open(test_spec_file)
+    test_spec = json.load(f)
+    clean = test_spec.get('clean', False)
+    test_ids = test_spec.get('test_ids', None)
+    
+    # Test Server
+    test_server = TestServer()
+    
+    # Test Results
+    tests_results = []
+    test_time = datetime.datetime.utcnow()
+    test_report = {
+        "date": test_time.isoformat(),
+        "test_server": SERVER_ADDRESS,
+        "test_results": tests_results
+    }
+    successes = []
+    failures = []
+    
+    for target, toolchains in test_spec['targets'].iteritems():
+        for toolchain in toolchains:
+            print '=== %s::%s ===' % (target, toolchain)
+            
+            build_mbed_libs(target, toolchain)
+            
+            build_dir = join(BUILD_DIR, "test", target, toolchain)
+            
+            for test_id, test in TEST_MAP.iteritems():
+                if test_ids is not None and test_id not in test_ids:
+                    continue
+                
+                if test.automated and test.is_supported(target, toolchain):
+                    # Check if the server has the capability to serve our test request
+                    if not test_server.available(target, test.peripherals):
+                        print "The test server does not have such device: %s, %s" % (target, test.peripherals)
+                        continue
+                    
+                    test_result = {
+                        'target': target,
+                        'toolchain': toolchain,
+                        'test_id': test_id,
+                    }
+                    
+                    path = build_project(test.source_dir, join(build_dir, test_id),
+                                 target, toolchain, test.dependencies, clean=clean)
+                    test_result_cache = join(dirname(path), "test_result.json")
+                    
+                    if not clean and exists(test_result_cache):
+                        test_result = load_data(test_result_cache)
+                    else:
+                        # For an automated test the duration act as a timeout after
+                        # which the test gets interrupted
+                        report = test_server.request(target, path, test.duration, test_id)
+                        test_result['result'] = report['result']
+                        store_data(test_result_cache, test_result)
+                    
+                    tests_results.append(test_result)
+                    print str(test_result) + '\n'
+                    
+                    if test_result['result'] == 'success':
+                        successes.append(test_result)
+                    else:
+                        failures.append(test_result)
+    
+    # Print a basic summary
+    print_results(successes, "Successes")
+    print_results(failures, "Failures")
+    
+    # Save the report on a file
+    report_filename = "test_%s.json" % test_time.strftime("%Y-%m-%d_%H-%M-%S")
+    store_data(report_filename, test_report)
+    
+    print "\nCompleted in (%d)sec" % (time() - start)
diff --git a/workspace_tools/build.py b/workspace_tools/build.py
new file mode 100644
index 0000000000..fb8d13424d
--- /dev/null
+++ b/workspace_tools/build.py
@@ -0,0 +1,103 @@
+#! /usr/bin/env python
+"""
+LIBRARIES BUILD
+"""
+import sys
+from time import time
+from os.path import join, abspath, dirname
+
+# Be sure that the tools directory is in the search path
+ROOT = abspath(join(dirname(__file__), ".."))
+sys.path.append(ROOT)
+
+from workspace_tools.toolchains import TARGETS, TOOLCHAINS
+from workspace_tools.options import get_default_options_parser, TARGET_OPTIONS
+from workspace_tools.build_api import build_mbed_libs, build_lib
+
+
+if __name__ == '__main__':
+    start = time()
+    
+    # Parse Options
+    parser = get_default_options_parser()
+    
+    # Extra libraries
+    parser.add_option("-r", "--rtos", action="store_true", dest="rtos",
+                      default=False, help="Compile the rtos")
+    parser.add_option("-b", "--debug", action="store_true", dest="debug",
+                      default=False, help="Compile the debugging library")
+    parser.add_option("-f", "--fatfs", action="store_true", dest="fatfs",
+                      default=False, help="Compile the fatfs")
+    parser.add_option("-e", "--eth", action="store_true", dest="eth",
+                      default=False, help="Compile the ethernet library")
+    parser.add_option("-V", "--vodafone", action="store_true", dest="vodafone",
+                      default=False, help="Compile the Vodafone library")
+    parser.add_option("-U", "--usb_host", action="store_true", dest="usb_host",
+                      default=False, help="Compile the USB Host library")
+    parser.add_option("-u", "--usb", action="store_true", dest="usb",
+                      default=False, help="Compile the USB Device library")
+    parser.add_option("-d", "--dsp", action="store_true", dest="dsp",
+                      default=False, help="Compile the DSP library")
+    parser.add_option("-v", "--verbose", action="store_true", dest="verbose",
+                      default=False, help="Verbose diagnostic output")
+    
+    (options, args) = parser.parse_args()
+    
+    # Get target list
+    if options.mcu:
+        targets = [TARGET_OPTIONS[options.mcu]]
+    else:
+        targets = TARGETS
+    
+    # Get toolchains list
+    if options.tool:
+        toolchains = [options.tool]
+    else:
+        toolchains = TOOLCHAINS
+    
+    # Get libraries list
+    libraries = []
+    
+    # Additional Libraries
+    if options.rtos:
+        libraries.extend(["rtx", "rtos"])
+    if options.debug:
+        libraries.append("debug")
+    if options.fatfs:
+        libraries.append("fatfs")
+    if options.usb_host:
+        libraries.append("usb_host")
+    if options.eth:
+        libraries.append("eth")
+    if options.vodafone:
+        libraries.append("vodafone")
+    if options.usb:
+        libraries.append("usb")
+    if options.dsp:
+        libraries.extend(["cmsis_dsp", "dsp"])
+    
+    # Build
+    failures = []
+    successes = []
+    for toolchain in toolchains:
+        for target in targets:
+            id = "%s::%s" % (toolchain, target)
+            try:
+                build_mbed_libs(target, toolchain, verbose=options.verbose)
+                for lib_id in libraries:
+                    build_lib(lib_id, target, toolchain, verbose=options.verbose)
+                successes.append(id)
+            except Exception, e:
+                failures.append(id)
+                print e
+    
+    # Write summary of the builds
+    print "\n\nCompleted in: (%.2f)s" % (time() - start)
+    
+    if successes:
+        print "\n\nBuild successes:"
+        print "\n".join(["  * %s" % s for s in successes])
+    
+    if failures:
+        print "\n\nBuild failures:"
+        print "\n".join(["  * %s" % f for f in failures])
diff --git a/workspace_tools/build_api.py b/workspace_tools/build_api.py
new file mode 100644
index 0000000000..d3ede8fe5d
--- /dev/null
+++ b/workspace_tools/build_api.py
@@ -0,0 +1,149 @@
+from os.path import join, exists, basename
+from shutil import copyfile, rmtree
+from copy import copy
+import json
+from types import ListType
+
+from workspace_tools.utils import mkdir
+from workspace_tools.toolchains import TOOLCHAIN_CLASSES, Resources
+
+"""
+src_path: the path of the source directory
+build_path: the path of the build directory
+target: ['LPC1768', 'LPC11U24', 'LPC2368']
+toolchain: ['ARM', 'uARM', 'GCC_ARM', 'GCC_CS', 'GCC_CR']
+library_paths: List of paths to additional libraries
+clean: Rebuild everything if True
+notify: Notify function for logs
+verbose: Write the actual tools command lines if True
+"""
+def build_library(src_paths, build_path, target='LPC1768', toolchain_name='ARM',
+        libraries_paths=None, name=None, clean=False, notify=None, verbose=False):
+    if type(src_paths) != ListType: src_paths = [src_paths]
+    
+    for src_path in src_paths:
+        if not exists(src_path):
+            raise Exception("The library source folder does not exist: %s", src_path)
+    
+    # Toolchain instance
+    toolchain = TOOLCHAIN_CLASSES[toolchain_name](target, notify)
+    toolchain.VERBOSE = verbose
+    toolchain.build_all = clean
+    
+    # Options
+    # By convention the first path should contain the build configuration
+    main_src = src_paths[0]
+    options_file = join(main_src, 'options.json')
+    if exists(options_file):
+        try:
+            options = json.load(open(options_file))
+        except Exception, e:
+            raise Exception("Error parsing option file: %s\n\t%s" % (options_file, e))
+    else:
+        options = {}
+    toolchain.set_options(options)
+    
+    # Library name can be set by: function parameter, option file, or directory name (in that order)
+    if name is None:
+        if 'lib_name' in options:
+            name = options['lib_name']
+        else:
+            name = basename(main_src)
+    
+    toolchain.info("\n>>> BUILD LIBRARY %s (%s, %s)" % (name.upper(), target, toolchain_name))
+    
+    # Scan Resources
+    resources = []
+    for src_path in src_paths:
+        resources.append(toolchain.scan_resources(src_path))
+    
+    # Just for the include paths
+    lib_resources = Resources()
+    if libraries_paths is not None:
+        for path in libraries_paths:
+            lib_resources.add(toolchain.scan_resources(path))
+    
+    # Create the desired build directory structure
+    bin_path = join(build_path, toolchain.obj_path)
+    mkdir(bin_path)
+    
+    tmp_path = join(build_path, '.temp', toolchain.obj_path)
+    mkdir(tmp_path)
+    
+    # Copy Files
+    for resource in resources:
+        files_to_be_copied = resource.headers
+        if resource.linker_script is not None:
+            # Linker script
+            files_to_be_copied.append(resource.linker_script)
+        toolchain.copy_files(resource.base_path, build_path, files_to_be_copied)
+    
+    # Compile sources
+    objects = []
+    for resource in resources:
+        objects.extend(toolchain.compile_sources(resource, tmp_path, lib_resources.inc_dirs))
+    
+    # Same objects need to remain stand alone
+    if 'objects' in options:
+        for object in copy(objects):
+            filename = basename(object)
+            if filename in options['objects']:
+                objects.remove(object)
+                target = join(bin_path, filename)
+                if toolchain.need_update(target, [object]):
+                    toolchain.info("Copy: %s" % filename)
+                    copyfile(object, target)
+    
+    # Archive objects in a library
+    if objects:
+        toolchain.build_library(objects, bin_path, name)
+
+
+def build_project(src_path, build_path, target='LPC1768', toolchain_name='ARM',
+        libraries_paths=None, clean=False, notify=None, verbose=False, name=None):
+    # Toolchain instance
+    toolchain = TOOLCHAIN_CLASSES[toolchain_name](target, notify)
+    toolchain.VERBOSE = verbose
+    toolchain.build_all = clean
+    
+    if name is None:
+        name = basename(src_path)
+    toolchain.info("\n>>> BUILD PROJECT: %s (%s, %s)" % (name.upper(), target, toolchain_name))
+    
+    # Scan src_path and libraries_paths for resources
+    resources = toolchain.scan_resources(src_path)
+    if libraries_paths is not None:
+        for path in libraries_paths:
+            resources.add(toolchain.scan_resources(path))
+    
+    # Build Directory
+    if clean:
+        if exists(build_path):
+            rmtree(build_path)
+    mkdir(build_path)
+    
+    # Build Program
+    return toolchain.build_program(resources, build_path, name)
+
+
+# Core mbed libraries 
+from workspace_tools.libraries import Library
+
+
+def build_lib(lib_id, target, toolchain, verbose=False):
+    lib = Library(lib_id)
+    if lib.is_supported(target, toolchain):
+        build_library(lib.source_dir, lib.build_dir, target, toolchain, lib.dependencies, lib.name, verbose=verbose)
+    else:
+        print '\n\nLibrary "%s" is not yet supported on target %s with toolchain %s' % (lib_id, target, toolchain)
+
+CHIP_VENDOR = {
+    "LPC2368" : "nxp",
+    "LPC1768" : "nxp",
+    "LPC11U24": "nxp",
+}
+
+def build_mbed_libs(target, toolchain, verbose=False):
+    vendor = CHIP_VENDOR[target]
+    for lib_name in ["%s_cmsis"%vendor, "%s_mbed"%vendor]:
+        build_lib(lib_name, target, toolchain, verbose=verbose)
diff --git a/workspace_tools/client.py b/workspace_tools/client.py
new file mode 100644
index 0000000000..3b0e440958
--- /dev/null
+++ b/workspace_tools/client.py
@@ -0,0 +1,55 @@
+import json
+from socket import *
+from workspace_tools.settings import *
+
+
+def get_server_connection():
+    sock = socket(AF_INET, SOCK_STREAM)
+    sock.connect((SERVER_ADDRESS, SERVER_PORT))
+    return sock
+
+
+def get_muts():
+    # Get the data structure about the Mbed Under Test provided by this server
+    sock = get_server_connection()
+    sock.send(json.dumps({"info":"muts"}))
+    muts = sock.recv(1024)
+    return json.loads(muts)
+
+
+def request_test(mcu, image_path, test_id, duration=10):
+    """
+    The test_id needs to be provided only for an automated test the server will
+    load the correspondent Checker class and will return a json report at the
+    end of the test
+    """
+    test_spec = {
+        "mcu": mcu,
+        "image": image_path,
+        "duration": duration,
+        "test_id": test_id,
+    }
+    
+    sock = get_server_connection()
+    sock.send(json.dumps(test_spec))
+    
+    report_buffer = []
+    try:
+        while True:
+            # Here we do not worry about efficiency the most important feature
+            # for the developer in front of the terminal is responsiveness
+            c = sock.recv(1)
+            if not c: break
+            report_buffer.append(c)
+
+    except KeyboardInterrupt, _:
+        print "\n[CTRL+c] closing connection"
+        sock.send("!")
+    
+    print '\nTest completed'
+    sock.close()
+    
+    try:
+        return json.loads(''.join(report_buffer))
+    except Exception, _:
+        return {"result": "error"}
diff --git a/workspace_tools/data/__init__.py b/workspace_tools/data/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/workspace_tools/data/example_test_spec.json b/workspace_tools/data/example_test_spec.json
new file mode 100644
index 0000000000..84f79504e6
--- /dev/null
+++ b/workspace_tools/data/example_test_spec.json
@@ -0,0 +1,6 @@
+{
+    "targets": {
+        "LPC1768": ["ARM", "GCC_ARM"],
+        "LPC11U24": ["uARM"]
+    }
+}
\ No newline at end of file
diff --git a/workspace_tools/data/rpc/RPCClasses.h b/workspace_tools/data/rpc/RPCClasses.h
new file mode 100644
index 0000000000..ab90b530e7
--- /dev/null
+++ b/workspace_tools/data/rpc/RPCClasses.h
@@ -0,0 +1,34 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef MBED_CLASSES_H
+#define MBED_CLASSES_H
+
+#include "rpc.h"
+
+namespace mbed {
+
+{{classes}}
+
+}
+
+#endif
+
diff --git a/workspace_tools/data/rpc/class.cpp b/workspace_tools/data/rpc/class.cpp
new file mode 100644
index 0000000000..73f36a2371
--- /dev/null
+++ b/workspace_tools/data/rpc/class.cpp
@@ -0,0 +1,24 @@
+class Rpc{{name}} : public RPC {
+public:
+    Rpc{{name}}({{cons_proto}}) : RPC(name), o({{cons_call}}) {}
+    
+    {{methods}}
+    
+    virtual const struct rpc_method *get_rpc_methods() {
+        static const rpc_method rpc_methods[] = {
+            {{rpc_methods}},
+            RPC_METHOD_SUPER(RPC)
+        };
+        return rpc_methods;
+    }
+    static struct rpc_class *get_rpc_class() {
+        static const rpc_function funcs[] = {
+            {"new", rpc_function_caller >},
+            RPC_METHOD_END
+        };
+        static rpc_class c = {"{{name}}", funcs, NULL};
+        return &c;
+    }
+private:
+    {{name}} o;
+};
diff --git a/workspace_tools/data/support.py b/workspace_tools/data/support.py
new file mode 100644
index 0000000000..719952b958
--- /dev/null
+++ b/workspace_tools/data/support.py
@@ -0,0 +1,19 @@
+ALL_TOOLCHAINS = ["ARM", "uARM", "GCC_ARM", "GCC_CS", "GCC_CR", "IAR"]
+ARM_TOOLCHAINS = ["ARM", "uARM"]
+
+DEFAULT_SUPPORT = {
+    "LPC1768": ALL_TOOLCHAINS,
+    "LPC11U24": ALL_TOOLCHAINS,
+    "LPC2368": ARM_TOOLCHAINS,
+}
+CORTEX_SUPPORT = {
+    "LPC1768": ALL_TOOLCHAINS,
+    "LPC11U24": ALL_TOOLCHAINS,
+}
+CORTEX_ARM_SUPPORT = {
+    "LPC1768": ARM_TOOLCHAINS,
+    "LPC11U24": ARM_TOOLCHAINS,
+}
+LPC11U24_SUPPORT = {
+    "LPC11U24": ALL_TOOLCHAINS,
+}
\ No newline at end of file
diff --git a/workspace_tools/dev/__init__.py b/workspace_tools/dev/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/workspace_tools/dev/dsp_fir.py b/workspace_tools/dev/dsp_fir.py
new file mode 100644
index 0000000000..aed8366979
--- /dev/null
+++ b/workspace_tools/dev/dsp_fir.py
@@ -0,0 +1,73 @@
+from numpy import sin, arange, pi
+from scipy.signal import lfilter, firwin
+from pylab import figure, plot, grid, show
+
+#------------------------------------------------
+# Create a signal for demonstration.
+#------------------------------------------------
+# 320 samples of (1000Hz + 15000 Hz) at 48 kHz
+sample_rate = 48000.
+nsamples = 320
+
+F_1KHz = 1000.
+A_1KHz = 1.0
+
+F_15KHz = 15000.
+A_15KHz = 0.5
+
+t = arange(nsamples) / sample_rate
+signal = A_1KHz * sin(2*pi*F_1KHz*t) + A_15KHz*sin(2*pi*F_15KHz*t)
+
+#------------------------------------------------
+# Create a FIR filter and apply it to signal.
+#------------------------------------------------
+# The Nyquist rate of the signal.
+nyq_rate = sample_rate / 2.
+
+# The cutoff frequency of the filter: 6KHz
+cutoff_hz = 6000.0
+
+# Length of the filter (number of coefficients, i.e. the filter order + 1)
+numtaps = 29
+
+# Use firwin to create a lowpass FIR filter
+fir_coeff = firwin(numtaps, cutoff_hz/nyq_rate)
+
+# Use lfilter to filter the signal with the FIR filter
+filtered_signal = lfilter(fir_coeff, 1.0, signal)
+
+#------------------------------------------------
+# Plot the original and filtered signals.
+#------------------------------------------------
+
+# The first N-1 samples are "corrupted" by the initial conditions
+warmup = numtaps - 1
+
+# The phase delay of the filtered signal
+delay = (warmup / 2) / sample_rate
+
+figure(1)
+# Plot the original signal
+plot(t, signal)
+
+# Plot the filtered signal, shifted to compensate for the phase delay
+plot(t-delay, filtered_signal, 'r-')
+
+# Plot just the "good" part of the filtered signal.  The first N-1
+# samples are "corrupted" by the initial conditions.
+plot(t[warmup:]-delay, filtered_signal[warmup:], 'g', linewidth=4)
+
+grid(True)
+
+show()
+
+#------------------------------------------------
+# Print values
+#------------------------------------------------
+def print_values(label, values):
+    var = "float32_t %s[%d]" % (label, len(values))
+    print "%-30s = {%s}" % (var, ', '.join(["%+.10f" % x for x in values]))
+
+print_values('signal', signal)
+print_values('fir_coeff', fir_coeff)
+print_values('filtered_signal', filtered_signal)
diff --git a/workspace_tools/dev/rpc_classes.py b/workspace_tools/dev/rpc_classes.py
new file mode 100644
index 0000000000..38d22ecafe
--- /dev/null
+++ b/workspace_tools/dev/rpc_classes.py
@@ -0,0 +1,174 @@
+from os.path import join
+from jinja2 import Template
+
+from workspace_tools.paths import TOOLS_DATA, MBED_RPC
+
+RPC_TEMPLATES_PATH = join(TOOLS_DATA, "rpc")
+
+RPC_TEMPLATE = "RPCClasses.h"
+CLASS_TEMPLATE = "class.cpp"
+RPC_CLASSES_PATH = join(MBED_RPC, RPC_TEMPLATE)
+
+
+def get_template(name):
+    return Template(open(join(RPC_TEMPLATES_PATH, name)).read())
+
+
+def write_rpc_classes(classes):
+    template = get_template(RPC_TEMPLATE)
+    open(RPC_CLASSES_PATH, "w").write(template.render({"classes":classes}))
+
+
+RPC_CLASSES = (
+    {
+        "name": "DigitalOut",
+        "cons_args": ["PinName"],
+        "methods": [
+            (None , "write", ["int"]),
+            ("int", "read" , []),
+        ]
+    },
+    {
+        "name": "DigitalIn",
+        "cons_args": ["PinName"],
+        "methods": [
+            ("int", "read" , []),
+        ]
+    },
+    {
+        "name": "DigitalInOut",
+        "cons_args": ["PinName"],
+        "methods": [
+            ("int", "read"  , []),
+            (None , "write" , ["int"]),
+            (None , "input" , []),
+            (None , "output", []),
+        ]
+    },
+    {
+        "name": "AnalogIn",
+        "required": "ANALOGIN",
+        "cons_args": ["PinName"],
+        "methods": [
+            ("float"         , "read"    , []),
+            ("unsigned short", "read_u16", []),
+        ]
+    },
+    {
+        "name": "AnalogOut",
+        "required": "ANALOGOUT",
+        "cons_args": ["PinName"],
+        "methods": [
+            ("float", "read"     , []),
+            (None   , "write"    , ["float"]),
+            (None   , "write_u16", ["unsigned short"]),
+        ]
+    },
+    {
+        "name": "PwmOut",
+        "required": "PWMOUT",
+        "cons_args": ["PinName"],
+        "methods": [
+            ("float", "read"         , []),
+            (None   , "write"        , ["float"]),
+            (None   , "period"       , ["float"]),
+            (None   , "period_ms"    , ["int"]),
+            (None   , "pulsewidth"   , ["float"]),
+            (None   , "pulsewidth_ms", ["int"]),
+        ]
+    },
+    {
+        "name": "SPI",
+        "required": "SPI",
+        "cons_args": ["PinName", "PinName", "PinName"],
+        "methods": [
+            (None , "format"   , ["int", "int"]),
+            (None , "frequency", ["int"]),
+            ("int", "write"    , ["int"]),
+        ]
+    },
+    {
+        "name": "Serial",
+        "required": "SERIAL",
+        "cons_args": ["PinName", "PinName"],
+        "methods": [
+            (None , "baud"     , ["int"]),
+            ("int", "readable" , []),
+            ("int", "writeable", []),
+            ("int", "putc"     , ["int"]),
+            ("int", "getc"     , []),
+            ("int", "puts"     , ["const char *"]),
+        ]
+    },
+    {
+        "name": "Timer",
+        "cons_args": [],
+        "methods": [
+            (None   , "start"  , []),
+            (None   , "stop"   , []),
+            (None   , "reset"  , []),
+            ("float", "read"   , []),
+            ("int"  , "read_ms", []),
+            ("int"  , "read_us", []),
+        ]
+    }
+)
+
+
+def get_args_proto(args_types, extra=None):
+    args = ["%s a%d" % (s, n) for n, s in enumerate(args_types)]
+    if extra:
+        args.extend(extra)
+    return ', '.join(args)
+
+
+def get_args_call(args):
+    return ', '.join(["a%d"    % (n)    for n in range(len(args))])
+
+
+classes = []
+class_template = get_template(CLASS_TEMPLATE)
+
+for c in RPC_CLASSES:
+    c_args = c['cons_args']
+    data = {
+        'name': c['name'],
+        'cons_type': ', '.join(c_args + ['const char*']),
+        "cons_proto": get_args_proto(c_args, ["const char *name=NULL"]),
+        "cons_call": get_args_call(c_args)
+    }
+    
+    c_name = "Rpc" +  c['name']
+    
+    methods = []
+    rpc_methods = []
+    for r, m, a in c['methods']:
+        ret_proto = r if r else "void"
+        args_proto = "void"
+        
+        ret_defin = "return " if r else ""
+        args_defin = ""
+        
+        if a:
+            args_proto = get_args_proto(a)
+            args_defin = get_args_call(a)
+        
+        proto = "%s %s(%s)"   % (ret_proto, m, args_proto)
+        defin = "{%so.%s(%s);}" % (ret_defin, m, args_defin)
+        methods.append("%s %s" % (proto, defin))
+        
+        rpc_method_type = [r] if r else []
+        rpc_method_type.append(c_name)
+        rpc_method_type.extend(a)
+        rpc_methods.append('{"%s", rpc_method_caller<%s, &%s::%s>}' % (m, ', '.join(rpc_method_type), c_name, m))
+    
+    data['methods'] = "\n    ".join(methods)
+    data['rpc_methods'] = ",\n            ".join(rpc_methods)
+    
+    class_decl = class_template.render(data)
+    if 'required' in c:
+        class_decl = "#if DEVICE_%s\n%s\n#endif" % (c['required'], class_decl)
+    
+    classes.append(class_decl)
+
+write_rpc_classes('\n\n'.join(classes))
diff --git a/workspace_tools/export/__init__.py b/workspace_tools/export/__init__.py
new file mode 100644
index 0000000000..e49cdebcd9
--- /dev/null
+++ b/workspace_tools/export/__init__.py
@@ -0,0 +1,66 @@
+import os, tempfile
+from os.path import join
+
+from workspace_tools.export import uvision4, codesourcery, codered, gccarm, ds5_5, iar
+from workspace_tools.export.exporters import zip_working_directory_and_clean_up, OldLibrariesException
+
+
+EXPORTERS = {
+    'uvision': uvision4.Uvision4,
+    'codered': codered.CodeRed,
+    'codesourcery': codesourcery.CodeSourcery,
+    'gcc_arm': gccarm.GccArm,
+    'ds5_5': ds5_5.DS5_5,
+    'iar': iar.IAREmbeddedWorkbench
+}
+
+ERROR_MESSAGE_UNSUPPORTED_TOOLCHAIN = """
+Sorry, the target %s is not currently supported on the %s toolchain.
+Please refer to Exporting to offline toolchains for more information.
+"""
+
+ERROR_MESSAGE_NOT_EXPORT_LIBS = """
+To export this project please import the export version of the mbed library.
+"""
+
+def online_build_url_resolver(url):
+    # TODO: Retrieve the path and name of an online library build URL
+    return {'path':'', 'name':''}
+
+
+def export(project_path, project_name, ide, target, destination='/tmp/', tempdir=None, clean=True, build_url_resolver=online_build_url_resolver):
+    # Convention: we are using capitals for toolchain and target names
+    if target is not None:
+        target = target.upper()
+    
+    if tempdir is None:
+        tempdir = tempfile.mkdtemp()
+    
+    if ide is None:
+        # Simply copy everything, no project files to be generated
+        for d in ['src', 'lib']:
+            os.system("cp -r %s/* %s" % (join(project_path, d), tempdir))
+        report = {'success': True}
+    
+    else:
+        report = {'success': False}
+        if ide not in EXPORTERS:
+            report['errormsg'] = "Unsupported toolchain"
+        else:
+            Exporter = EXPORTERS[ide]
+            if target not in Exporter.TARGETS:
+                report['errormsg'] = ERROR_MESSAGE_UNSUPPORTED_TOOLCHAIN % (target, ide)
+            else:
+                try:
+                    exporter = Exporter(target, tempdir, project_name, build_url_resolver)
+                    exporter.scan_and_copy_resources(project_path, tempdir)
+                    exporter.generate()
+                    report['success'] = True
+                except OldLibrariesException, e:
+                    report['errormsg'] = ERROR_MESSAGE_NOT_EXPORT_LIBS
+    
+    zip_path = None
+    if report['success']:
+        zip_path = zip_working_directory_and_clean_up(tempdir, destination, project_name, clean)
+    
+    return zip_path, report
diff --git a/workspace_tools/export/codered.py b/workspace_tools/export/codered.py
new file mode 100644
index 0000000000..1c967e2d28
--- /dev/null
+++ b/workspace_tools/export/codered.py
@@ -0,0 +1,24 @@
+from exporters import Exporter
+from os.path import splitext, basename
+
+
+class CodeRed(Exporter):
+    NAME = 'CodeRed'
+    TARGETS = ['LPC1768']
+    TOOLCHAIN = 'GCC_CR'
+    
+    def generate(self):
+        libraries = []
+        for lib in self.resources.libraries:
+            l, _ = splitext(basename(lib))
+            libraries.append(l[3:])
+        
+        ctx = {
+            'name': self.program_name,
+            'include_paths': self.resources.inc_dirs,
+            'linker_script': self.resources.linker_script,
+            'object_files': self.resources.objects,
+            'libraries': libraries,
+        }
+        self.gen_file('codered_%s_project.tmpl' % self.target.lower(), ctx, '.project')
+        self.gen_file('codered_%s_cproject.tmpl' % self.target.lower(), ctx, '.cproject')
diff --git a/workspace_tools/export/codered_lpc1768_cproject.tmpl b/workspace_tools/export/codered_lpc1768_cproject.tmpl
new file mode 100644
index 0000000000..273bcd874f
--- /dev/null
+++ b/workspace_tools/export/codered_lpc1768_cproject.tmpl
@@ -0,0 +1,1921 @@
+
+
+
+
+    
+        
+            
+                
+                
+                    
+                    
+                    
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+                        
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+                
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+                        
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+                        
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+                            
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+                            
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+                        
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+                        
+                        
+                            
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+                        
+                        
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+                            
+                        
+                    
+                    
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+                    
+                    
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+                    
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+                    
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+                        
+                    
+                
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+                        
+                    
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+                    
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+                            
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+                    
+                    
+                        
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+                        
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+                            
+                        
+                    
+                    
+                        
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+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
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+                        
+                            
+                            
+                        
+                    
+                    
+                        
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+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                
+                
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
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+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                
+                
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                    
+                        
+                            
+                            
+                        
+                        
+                            
+                            
+                        
+                    
+                
+            
+        
+    
+    
+        
+    
+    
+        <?xml version="1.0" encoding="UTF-8"?>
+<TargetConfig>
+<Properties property_0="" property_1="" property_2="" property_3="NXP" property_4="LPC1768" property_count="5" version="1"/>
+<infoList vendor="NXP">
+<info chip="LPC1768" match_id="0x00013f37,0x26013F37,0x26113F37" name="LPC1768" package="lpc17_lqfp100.xml">
+<chip>
+<name>LPC1768</name>
+<family>LPC17xx</family>
+<vendor>NXP (formerly Philips)</vendor>
+<reset board="None" core="Real" sys="Real"/>
+<clock changeable="TRUE" freq="20MHz" is_accurate="TRUE"/>
+<memory can_program="true" id="Flash" is_ro="true" type="Flash"/>
+<memory id="RAM" type="RAM"/>
+<memory id="Periph" is_volatile="true" type="Peripheral"/>
+<memoryInstance derived_from="Flash" id="MFlash512" location="0x00000000" size="0x80000"/>
+<memoryInstance derived_from="RAM" id="RamLoc32" location="0x10000000" size="0x8000"/>
+<memoryInstance derived_from="RAM" id="RamAHB32" location="0x2007c000" size="0x8000"/>
+<prog_flash blocksz="0x1000" location="0" maxprgbuff="0x1000" progwithcode="TRUE" size="0x10000"/>
+<prog_flash blocksz="0x8000" location="0x10000" maxprgbuff="0x1000" progwithcode="TRUE" size="0x70000"/>
+<peripheralInstance derived_from="LPC17_NVIC" determined="infoFile" id="NVIC" location="0xE000E000"/>
+<peripheralInstance derived_from="TIMER" determined="infoFile" enable="SYSCTL.PCONP.PCTIM0&amp;0x1" id="TIMER0" location="0x40004000"/>
+<peripheralInstance derived_from="TIMER" determined="infoFile" enable="SYSCTL.PCONP.PCTIM1&amp;0x1" id="TIMER1" location="0x40008000"/>
+<peripheralInstance derived_from="TIMER" determined="infoFile" enable="SYSCTL.PCONP.PCTIM2&amp;0x1" id="TIMER2" location="0x40090000"/>
+<peripheralInstance derived_from="TIMER" determined="infoFile" enable="SYSCTL.PCONP.PCTIM3&amp;0x1" id="TIMER3" location="0x40094000"/>
+<peripheralInstance derived_from="LPC17_RIT" determined="infoFile" enable="SYSCTL.PCONP.PCRIT&amp;0x1" id="RIT" location="0x400B0000"/>
+<peripheralInstance derived_from="FGPIO" determined="infoFile" enable="SYSCTL.PCONP.PCGPIO&amp;0x1" id="GPIO0" location="0x2009C000"/>
+<peripheralInstance derived_from="FGPIO" determined="infoFile" enable="SYSCTL.PCONP.PCGPIO&amp;0x1" id="GPIO1" location="0x2009C020"/>
+<peripheralInstance derived_from="FGPIO" determined="infoFile" enable="SYSCTL.PCONP.PCGPIO&amp;0x1" id="GPIO2" location="0x2009C040"/>
+<peripheralInstance derived_from="FGPIO" determined="infoFile" enable="SYSCTL.PCONP.PCGPIO&amp;0x1" id="GPIO3" location="0x2009C060"/>
+<peripheralInstance derived_from="FGPIO" determined="infoFile" enable="SYSCTL.PCONP.PCGPIO&amp;0x1" id="GPIO4" location="0x2009C080"/>
+<peripheralInstance derived_from="LPC17_I2S" determined="infoFile" enable="SYSCTL.PCONP&amp;0x08000000" id="I2S" location="0x400A8000"/>
+<peripheralInstance derived_from="LPC17_SYSCTL" determined="infoFile" id="SYSCTL" location="0x400FC000"/>
+<peripheralInstance derived_from="LPC17_DAC" determined="infoFile" enable="PCB.PINSEL1.P0_26&amp;0x2=2" id="DAC" location="0x4008C000"/>
+<peripheralInstance derived_from="LPC17xx_UART" determined="infoFile" enable="SYSCTL.PCONP.PCUART0&amp;0x1" id="UART0" location="0x4000C000"/>
+<peripheralInstance derived_from="LPC17xx_UART_MODEM" determined="infoFile" enable="SYSCTL.PCONP.PCUART1&amp;0x1" id="UART1" location="0x40010000"/>
+<peripheralInstance derived_from="LPC17xx_UART" determined="infoFile" enable="SYSCTL.PCONP.PCUART2&amp;0x1" id="UART2" location="0x40098000"/>
+<peripheralInstance derived_from="LPC17xx_UART" determined="infoFile" enable="SYSCTL.PCONP.PCUART3&amp;0x1" id="UART3" location="0x4009C000"/>
+<peripheralInstance derived_from="SPI" determined="infoFile" enable="SYSCTL.PCONP.PCSPI&amp;0x1" id="SPI" location="0x40020000"/>
+<peripheralInstance derived_from="LPC17_SSP" determined="infoFile" enable="SYSCTL.PCONP.PCSSP0&amp;0x1" id="SSP0" location="0x40088000"/>
+<peripheralInstance derived_from="LPC17_SSP" determined="infoFile" enable="SYSCTL.PCONP.PCSSP1&amp;0x1" id="SSP1" location="0x40030000"/>
+<peripheralInstance derived_from="LPC17_ADC" determined="infoFile" enable="SYSCTL.PCONP.PCAD&amp;0x1" id="ADC" location="0x40034000"/>
+<peripheralInstance derived_from="LPC17_USBINTST" determined="infoFile" enable="USBCLKCTL.USBClkCtrl&amp;0x12" id="USBINTSTAT" location="0x400fc1c0"/>
+<peripheralInstance derived_from="LPC17_USB_CLK_CTL" determined="infoFile" id="USBCLKCTL" location="0x5000cff4"/>
+<peripheralInstance derived_from="LPC17_USBDEV" determined="infoFile" enable="USBCLKCTL.USBClkSt&amp;0x12=0x12" id="USBDEV" location="0x5000C200"/>
+<peripheralInstance derived_from="LPC17_PWM" determined="infoFile" enable="SYSCTL.PCONP.PWM1&amp;0x1" id="PWM" location="0x40018000"/>
+<peripheralInstance derived_from="LPC17_I2C" determined="infoFile" enable="SYSCTL.PCONP.PCI2C0&amp;0x1" id="I2C0" location="0x4001C000"/>
+<peripheralInstance derived_from="LPC17_I2C" determined="infoFile" enable="SYSCTL.PCONP.PCI2C1&amp;0x1" id="I2C1" location="0x4005C000"/>
+<peripheralInstance derived_from="LPC17_I2C" determined="infoFile" enable="SYSCTL.PCONP.PCI2C2&amp;0x1" id="I2C2" location="0x400A0000"/>
+<peripheralInstance derived_from="LPC17_DMA" determined="infoFile" enable="SYSCTL.PCONP.PCGPDMA&amp;0x1" id="DMA" location="0x50004000"/>
+<peripheralInstance derived_from="LPC17_ENET" determined="infoFile" enable="SYSCTL.PCONP.PCENET&amp;0x1" id="ENET" location="0x50000000"/>
+<peripheralInstance derived_from="CM3_DCR" determined="infoFile" id="DCR" location="0xE000EDF0"/>
+<peripheralInstance derived_from="LPC17_PCB" determined="infoFile" id="PCB" location="0x4002c000"/>
+<peripheralInstance derived_from="LPC17_QEI" determined="infoFile" enable="SYSCTL.PCONP.PCQEI&amp;0x1" id="QEI" location="0x400bc000"/>
+<peripheralInstance derived_from="LPC17_USBHOST" determined="infoFile" enable="USBCLKCTL.USBClkSt&amp;0x11=0x11" id="USBHOST" location="0x5000C000"/>
+<peripheralInstance derived_from="LPC17_USBOTG" determined="infoFile" enable="USBCLKCTL.USBClkSt&amp;0x1c=0x1c" id="USBOTG" location="0x5000C000"/>
+<peripheralInstance derived_from="LPC17_RTC" determined="infoFile" enable="SYSCTL.PCONP.PCRTC&amp;0x1" id="RTC" location="0x40024000"/>
+<peripheralInstance derived_from="MPU" determined="infoFile" id="MPU" location="0xE000ED90"/>
+<peripheralInstance derived_from="LPC1x_WDT" determined="infoFile" id="WDT" location="0x40000000"/>
+<peripheralInstance derived_from="LPC17_FLASHCFG" determined="infoFile" id="FLASHACCEL" location="0x400FC000"/>
+<peripheralInstance derived_from="GPIO_INT" determined="infoFile" id="GPIOINTMAP" location="0x40028080"/>
+<peripheralInstance derived_from="LPC17_CANAFR" determined="infoFile" enable="SYSCTL.PCONP.PCCAN1&amp;0x1|SYSCTL.PCONP.PCCAN2&amp;0x1" id="CANAFR" location="0x4003C000"/>
+<peripheralInstance derived_from="LPC17_CANCEN" determined="infoFile" enable="SYSCTL.PCONP.PCCAN1&amp;0x1|SYSCTL.PCONP.PCCAN2&amp;0x1" id="CANCEN" location="0x40040000"/>
+<peripheralInstance derived_from="LPC17_CANWAKESLEEP" determined="infoFile" id="CANWAKESLEEP" location="0x400FC110"/>
+<peripheralInstance derived_from="LPC17_CANCON" determined="infoFile" enable="SYSCTL.PCONP.PCCAN1&amp;0x1" id="CANCON1" location="0x40044000"/>
+<peripheralInstance derived_from="LPC17_CANCON" determined="infoFile" enable="SYSCTL.PCONP.PCCAN2&amp;0x1" id="CANCON2" location="0x40048000"/>
+<peripheralInstance derived_from="LPC17_MCPWM" determined="infoFile" enable="SYSCTL.PCONP.PCMCPWM&amp;0x1" id="MCPWM" location="0x400B8000"/>
+</chip>
+<processor>
+<name gcc_name="cortex-m3">Cortex-M3</name>
+<family>Cortex-M</family>
+</processor>
+<link href="nxp_lpcxxxx_peripheral.xme" show="embed" type="simple"/>
+</info>
+</infoList>
+</TargetConfig>
+    
+
+
diff --git a/workspace_tools/export/codered_lpc1768_project.tmpl b/workspace_tools/export/codered_lpc1768_project.tmpl
new file mode 100644
index 0000000000..42ef4384de
--- /dev/null
+++ b/workspace_tools/export/codered_lpc1768_project.tmpl
@@ -0,0 +1,84 @@
+
+
+    {{name}}
+    This file was automagically generated by mbed.org. For more information, see http://mbed.org/handbook/Exporting-To-Code-Red
+    
+    
+    
+        
+            org.eclipse.cdt.managedbuilder.core.genmakebuilder
+            clean,full,incremental,
+            
+                
+                    ?name?
+                    
+                
+                
+                    org.eclipse.cdt.make.core.append_environment
+                    true
+                
+                
+                    org.eclipse.cdt.make.core.autoBuildTarget
+                    all
+                
+                
+                    org.eclipse.cdt.make.core.buildArguments
+                    
+                
+                
+                    org.eclipse.cdt.make.core.buildCommand
+                    make
+                
+                
+                    org.eclipse.cdt.make.core.buildLocation
+                    ${workspace_loc:/{{name}}/Debug}
+                
+                
+                    org.eclipse.cdt.make.core.cleanBuildTarget
+                    clean
+                
+                
+                    org.eclipse.cdt.make.core.contents
+                    org.eclipse.cdt.make.core.activeConfigSettings
+                
+                
+                    org.eclipse.cdt.make.core.enableAutoBuild
+                    false
+                
+                
+                    org.eclipse.cdt.make.core.enableCleanBuild
+                    true
+                
+                
+                    org.eclipse.cdt.make.core.enableFullBuild
+                    true
+                
+                
+                    org.eclipse.cdt.make.core.fullBuildTarget
+                    all
+                
+                
+                    org.eclipse.cdt.make.core.stopOnError
+                    true
+                
+                
+                    org.eclipse.cdt.make.core.useDefaultBuildCmd
+                    true
+                
+            
+        
+        
+            org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder
+            full,incremental,
+            
+            
+        
+    
+    
+        org.eclipse.cdt.core.cnature
+        org.eclipse.cdt.core.ccnature
+        org.eclipse.cdt.managedbuilder.core.managedBuildNature
+        org.eclipse.cdt.managedbuilder.core.ScannerConfigNature
+    
+
+
diff --git a/workspace_tools/export/codesourcery.py b/workspace_tools/export/codesourcery.py
new file mode 100644
index 0000000000..06336f955f
--- /dev/null
+++ b/workspace_tools/export/codesourcery.py
@@ -0,0 +1,37 @@
+from exporters import Exporter
+from os.path import splitext, basename
+
+
+class CodeSourcery(Exporter):
+    NAME = 'CodeSourcery'
+    TARGETS = ['LPC1768']
+    TOOLCHAIN = 'GCC_CS'
+    DOT_IN_RELATIVE_PATH = True
+    
+    def generate(self):
+        # "make" wants Unix paths
+        self.resources.win_to_unix()
+        
+        to_be_compiled = []
+        for r_type in ['s_sources', 'c_sources', 'cpp_sources']:
+            r = getattr(self.resources, r_type)
+            if r:
+                for source in r:
+                    base, ext = splitext(source)
+                    to_be_compiled.append(base + '.o')
+        
+        libraries = []
+        for lib in self.resources.libraries:
+            l, _ = splitext(basename(lib))
+            libraries.append(l[3:])
+        
+        ctx = {
+            'name': self.program_name,
+            'to_be_compiled': to_be_compiled,
+            'object_files': self.resources.objects,
+            'include_paths': self.resources.inc_dirs,
+            'library_paths': self.resources.lib_dirs,
+            'linker_script': self.resources.linker_script,
+            'libraries': libraries,
+        }
+        self.gen_file('codesourcery_%s.tmpl' % self.target.lower(), ctx, 'Makefile')
diff --git a/workspace_tools/export/codesourcery_lpc1768.tmpl b/workspace_tools/export/codesourcery_lpc1768.tmpl
new file mode 100644
index 0000000000..d9c3c0b92d
--- /dev/null
+++ b/workspace_tools/export/codesourcery_lpc1768.tmpl
@@ -0,0 +1,50 @@
+# This file was automagically generated by mbed.org. For more information, 
+# see http://mbed.org/handbook/Exporting-to-CodeSourcery
+
+GCC_BIN = 
+PROJECT = {{name}}
+OBJECTS = {% for f in to_be_compiled %}{{f}} {% endfor %}
+SYS_OBJECTS = {% for f in object_files %}{{f}} {% endfor %}
+INCLUDE_PATHS = {% for p in include_paths %}-I{{p}} {% endfor %}
+LIBRARY_PATHS = {% for p in library_paths %}-L{{p}} {% endfor %}
+LIBRARIES = {% for lib in libraries %}-l{{lib}} {% endfor %}
+LINKER_SCRIPT = {{linker_script}}
+
+############################################################################### 
+CC = $(GCC_BIN)arm-none-eabi-gcc
+CPP = $(GCC_BIN)arm-none-eabi-g++
+CC_FLAGS = -c -Os -fno-common -fmessage-length=0 -Wall -fno-exceptions -mcpu=cortex-m3 -mthumb -ffunction-sections -fdata-sections 
+ONLY_C_FLAGS = -std=gnu99
+ONLY_CPP_FLAGS = -std=gnu++98
+CC_SYMBOLS = -DTARGET_LPC1768 -DTOOLCHAIN_GCC_CS -DNDEBUG
+
+
+AS = $(GCC_BIN)arm-none-eabi-as
+
+LD = $(GCC_BIN)arm-none-eabi-gcc
+LD_FLAGS = -mcpu=cortex-m3 -mthumb -Wl,--gc-sections
+LD_SYS_LIBS = -lstdc++ -lsupc++ -lm -lc -lgcc
+
+OBJCOPY = $(GCC_BIN)arm-none-eabi-objcopy
+
+all: $(PROJECT).bin
+
+clean:
+	rm -f $(PROJECT).bin $(PROJECT).elf $(OBJECTS)
+
+.s.o:
+	$(AS)  $(CC_FLAGS) $(CC_SYMBOLS) -o $@ $<
+
+.c.o:
+	$(CC)  $(CC_FLAGS) $(CC_SYMBOLS) $(ONLY_C_FLAGS)   $(INCLUDE_PATHS) -o $@ $<
+
+.cpp.o:
+	$(CPP) $(CC_FLAGS) $(CC_SYMBOLS) $(ONLY_CPP_FLAGS) $(INCLUDE_PATHS) -o $@ $<
+
+
+$(PROJECT).elf: $(OBJECTS) $(SYS_OBJECTS)
+	$(LD) $(LD_FLAGS) -T$(LINKER_SCRIPT) $(LIBRARY_PATHS) -o $@ $^ $(LIBRARIES) $(LD_SYS_LIBS) $(LIBRARIES) $(LD_SYS_LIBS)
+
+$(PROJECT).bin: $(PROJECT).elf
+	$(OBJCOPY) -O binary $< $@
+
diff --git a/workspace_tools/export/ds5_5.py b/workspace_tools/export/ds5_5.py
new file mode 100644
index 0000000000..9daf706907
--- /dev/null
+++ b/workspace_tools/export/ds5_5.py
@@ -0,0 +1,35 @@
+from exporters import Exporter
+from os.path import basename
+
+
+class DS5_5(Exporter):
+    NAME = 'DS5'
+    TOOLCHAIN = 'ARM'
+    TARGETS = ['LPC1768', 'LPC11U24']
+    FILE_TYPES = {
+        'c_sources':'1',
+        'cpp_sources':'8',
+        's_sources':'2'
+    }
+    
+    def generate(self):
+        source_files = []
+        for r_type, n in DS5_5.FILE_TYPES.iteritems():
+            for file in getattr(self.resources, r_type):
+                source_files.append({
+                    'name': basename(file), 'type': n, 'path': file
+                })
+        
+        ctx = {
+            'name': self.program_name,
+            'include_paths': self.resources.inc_dirs,
+            'scatter_file': self.resources.linker_script,
+            'object_files': self.resources.objects + self.resources.libraries,
+            'source_files': source_files
+        }
+        target = self.target.lower()
+        
+        # Project file
+        self.gen_file('ds5_5_%s.project.tmpl' % target, ctx, '.project')
+        self.gen_file('ds5_5_%s.cproject.tmpl' % target, ctx, '.cproject')
+        self.gen_file('ds5_5_%s.launch.tmpl' % target, ctx, 'ds5_%s.launch' % target)
diff --git a/workspace_tools/export/ds5_5_lpc11u24.cproject.tmpl b/workspace_tools/export/ds5_5_lpc11u24.cproject.tmpl
new file mode 100644
index 0000000000..207a785c0b
--- /dev/null
+++ b/workspace_tools/export/ds5_5_lpc11u24.cproject.tmpl
@@ -0,0 +1,103 @@
+
+
+
+
+	
+		
+			
+				
+				
+					
+					
+					
+				
+			
+			
+				
+					
+						
+							
+							
+							
+							
+								
+								
+								
+							
+							
+								
+							
+								
+								
+									
+									
+								
+							
+							
+						
+					
+				
+			
+			
+		
+		
+			
+				
+				
+					
+					
+					
+				
+			
+			
+				
+					
+						
+							
+							
+							
+							
+								
+								
+							
+							
+							
+								
+									
+									
+								
+							
+							
+						
+					
+				
+			
+			
+		
+	
+	
+		
+	
+	
+	
+		
+		
+			
+		
+		
+			
+		
+	
+
diff --git a/workspace_tools/export/ds5_5_lpc11u24.launch.tmpl b/workspace_tools/export/ds5_5_lpc11u24.launch.tmpl
new file mode 100644
index 0000000000..868cba3d2c
--- /dev/null
+++ b/workspace_tools/export/ds5_5_lpc11u24.launch.tmpl
@@ -0,0 +1,111 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/workspace_tools/export/ds5_5_lpc11u24.project.tmpl b/workspace_tools/export/ds5_5_lpc11u24.project.tmpl
new file mode 100644
index 0000000000..fedc73660a
--- /dev/null
+++ b/workspace_tools/export/ds5_5_lpc11u24.project.tmpl
@@ -0,0 +1,83 @@
+
+
+	ds5_lpc11u24
+	
+	
+	
+	
+		
+			org.eclipse.cdt.managedbuilder.core.genmakebuilder
+			clean,full,incremental,
+			
+				
+					?name?
+					
+				
+				
+					org.eclipse.cdt.make.core.append_environment
+					true
+				
+				
+					org.eclipse.cdt.make.core.autoBuildTarget
+					all
+				
+				
+					org.eclipse.cdt.make.core.buildArguments
+					
+				
+				
+					org.eclipse.cdt.make.core.buildCommand
+					make
+				
+				
+					org.eclipse.cdt.make.core.buildLocation
+					${workspace_loc:/ds5_lpc11u24/Build}
+				
+				
+					org.eclipse.cdt.make.core.cleanBuildTarget
+					clean
+				
+				
+					org.eclipse.cdt.make.core.contents
+					org.eclipse.cdt.make.core.activeConfigSettings
+				
+				
+					org.eclipse.cdt.make.core.enableAutoBuild
+					false
+				
+				
+					org.eclipse.cdt.make.core.enableCleanBuild
+					true
+				
+				
+					org.eclipse.cdt.make.core.enableFullBuild
+					true
+				
+				
+					org.eclipse.cdt.make.core.fullBuildTarget
+					all
+				
+				
+					org.eclipse.cdt.make.core.stopOnError
+					true
+				
+				
+					org.eclipse.cdt.make.core.useDefaultBuildCmd
+					true
+				
+			
+		
+		
+			org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder
+			full,incremental,
+			
+			
+		
+	
+	
+		org.eclipse.cdt.core.cnature
+		org.eclipse.cdt.core.ccnature
+		org.eclipse.cdt.managedbuilder.core.managedBuildNature
+		org.eclipse.cdt.managedbuilder.core.ScannerConfigNature
+	
+
diff --git a/workspace_tools/export/ds5_5_lpc1768.cproject.tmpl b/workspace_tools/export/ds5_5_lpc1768.cproject.tmpl
new file mode 100644
index 0000000000..9b1ec9b436
--- /dev/null
+++ b/workspace_tools/export/ds5_5_lpc1768.cproject.tmpl
@@ -0,0 +1,105 @@
+
+
+
+
+	
+		
+			
+				
+				
+					
+					
+					
+				
+			
+			
+				
+					
+						
+							
+							
+							
+							
+								
+								
+							
+								
+							
+								
+								
+									
+									
+								
+							
+							
+						
+					
+				
+			
+			
+		
+		
+			
+				
+				
+					
+					
+					
+				
+			
+			
+				
+					
+						
+							
+							
+							
+							
+								
+								
+							
+							
+							
+								
+									
+									
+								
+							
+							
+						
+					
+				
+			
+			
+		
+	
+	
+		
+	
+	
+		
+	
+	
+		
+		
+			
+		
+		
+			
+		
+	
+
\ No newline at end of file
diff --git a/workspace_tools/export/ds5_5_lpc1768.launch.tmpl b/workspace_tools/export/ds5_5_lpc1768.launch.tmpl
new file mode 100644
index 0000000000..74bc9649e7
--- /dev/null
+++ b/workspace_tools/export/ds5_5_lpc1768.launch.tmpl
@@ -0,0 +1,111 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/workspace_tools/export/ds5_5_lpc1768.project.tmpl b/workspace_tools/export/ds5_5_lpc1768.project.tmpl
new file mode 100644
index 0000000000..b5f6fcfc9f
--- /dev/null
+++ b/workspace_tools/export/ds5_5_lpc1768.project.tmpl
@@ -0,0 +1,83 @@
+
+
+	ds5_lpc1768
+	
+	
+	
+	
+		
+			org.eclipse.cdt.managedbuilder.core.genmakebuilder
+			clean,full,incremental,
+			
+				
+					?name?
+					
+				
+				
+					org.eclipse.cdt.make.core.append_environment
+					true
+				
+				
+					org.eclipse.cdt.make.core.autoBuildTarget
+					all
+				
+				
+					org.eclipse.cdt.make.core.buildArguments
+					
+				
+				
+					org.eclipse.cdt.make.core.buildCommand
+					make
+				
+				
+					org.eclipse.cdt.make.core.buildLocation
+					${workspace_loc:/ds5_lpc1768/Build}
+				
+				
+					org.eclipse.cdt.make.core.cleanBuildTarget
+					clean
+				
+				
+					org.eclipse.cdt.make.core.contents
+					org.eclipse.cdt.make.core.activeConfigSettings
+				
+				
+					org.eclipse.cdt.make.core.enableAutoBuild
+					false
+				
+				
+					org.eclipse.cdt.make.core.enableCleanBuild
+					true
+				
+				
+					org.eclipse.cdt.make.core.enableFullBuild
+					true
+				
+				
+					org.eclipse.cdt.make.core.fullBuildTarget
+					all
+				
+				
+					org.eclipse.cdt.make.core.stopOnError
+					true
+				
+				
+					org.eclipse.cdt.make.core.useDefaultBuildCmd
+					true
+				
+			
+		
+		
+			org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder
+			full,incremental,
+			
+			
+		
+	
+	
+		org.eclipse.cdt.core.cnature
+		org.eclipse.cdt.core.ccnature
+		org.eclipse.cdt.managedbuilder.core.managedBuildNature
+		org.eclipse.cdt.managedbuilder.core.ScannerConfigNature
+	
+
diff --git a/workspace_tools/export/exporters.py b/workspace_tools/export/exporters.py
new file mode 100644
index 0000000000..ea1a0c53ae
--- /dev/null
+++ b/workspace_tools/export/exporters.py
@@ -0,0 +1,86 @@
+"""Just a template for subclassing"""
+import uuid, shutil, os, logging, fnmatch
+from os.path import join, dirname, isdir, split
+from jinja2 import Template
+from contextlib import closing
+from zipfile import ZipFile, ZIP_DEFLATED
+
+from workspace_tools.toolchains import TOOLCHAIN_CLASSES
+
+class OldLibrariesException(Exception): pass
+
+class Exporter():
+    TEMPLATE_DIR = dirname(__file__)
+    DOT_IN_RELATIVE_PATH = False
+    
+    def __init__(self, target, inputDir, program_name, build_url_resolver):
+        self.inputDir = inputDir
+        self.target = target
+        self.program_name = program_name
+        self.toolchain = TOOLCHAIN_CLASSES[self.TOOLCHAIN](target)
+        self.build_url_resolver = build_url_resolver
+    
+    def __scan_and_copy(self, src_path, trg_path):
+        resources = self.toolchain.scan_resources(src_path)
+        
+        for r_type in ['headers', 's_sources', 'c_sources', 'cpp_sources', 'objects', 'libraries', 'linker_script']:
+            r = getattr(resources, r_type)
+            if r:
+                self.toolchain.copy_files(src_path, trg_path, r)
+        return resources.lib_builds
+    
+    def scan_and_copy_resources(self, prj_path, trg_path):
+        # Copy only the file for the required target and toolchain
+        lib_builds = []
+        for src in ['lib', 'src']:
+            lib_builds.extend(self.__scan_and_copy(join(prj_path, src), trg_path))
+        
+        # The libraries builds
+        for bld in lib_builds:
+            build_url = open(bld).read().strip()
+            lib_data = self.build_url_resolver(build_url)
+            lib_path = lib_data['path'].rstrip('\\/')
+            self.__scan_and_copy(lib_path, join(trg_path, lib_data['name']))
+        
+        # Final scan of the actual exported resources
+        self.resources = self.toolchain.scan_resources(trg_path)
+        self.resources.relative_to(trg_path, self.DOT_IN_RELATIVE_PATH)
+        # Check the existence of a binary build of the mbed library for the desired target
+        # This prevents exporting the mbed libraries from source
+        # if not self.toolchain.mbed_libs:
+        #    raise OldLibrariesException()
+    
+    def gen_file(self, template_file, data, target_file):
+        template_path = join(Exporter.TEMPLATE_DIR, template_file)
+        template_text = open(template_path).read()
+        template = Template(template_text)
+        target_text = template.render(data)
+        
+        target_path = join(self.inputDir, target_file)
+        logging.debug("Generating: %s" % target_path)
+        open(target_path, "w").write(target_text)
+
+
+def zip_working_directory_and_clean_up(tempdirectory=None, destination=None, program_name=None, clean=True):
+    uid = str(uuid.uuid4())
+    zipfilename = '%s.zip'%uid
+    
+    logging.debug("Zipping up %s to %s" % (tempdirectory,  join(destination, zipfilename)))
+    # make zip
+    def zipdir(basedir, archivename):
+        assert isdir(basedir)
+        fakeroot = program_name + '/'
+        with closing(ZipFile(archivename, "w", ZIP_DEFLATED)) as z:
+            for root, _, files in os.walk(basedir):
+                # NOTE: ignore empty directories
+                for fn in files:
+                    absfn = join(root, fn)
+                    zfn = fakeroot + '/' +  absfn[len(basedir)+len(os.sep):]
+                    z.write(absfn, zfn)
+    
+    zipdir(tempdirectory, join(destination, zipfilename))
+    
+    if clean:
+        shutil.rmtree(tempdirectory)
+    
+    return join(destination, zipfilename)
diff --git a/workspace_tools/export/gcc_arm_lpc1768.tmpl b/workspace_tools/export/gcc_arm_lpc1768.tmpl
new file mode 100644
index 0000000000..8d83c36c4a
--- /dev/null
+++ b/workspace_tools/export/gcc_arm_lpc1768.tmpl
@@ -0,0 +1,46 @@
+# This file was automagically generated by mbed.org. For more information, 
+# see http://mbed.org/handbook/Exporting-to-GCC-ARM-Embedded
+
+GCC_BIN = 
+PROJECT = {{name}}
+OBJECTS = {% for f in to_be_compiled %}{{f}} {% endfor %}
+SYS_OBJECTS = {% for f in object_files %}{{f}} {% endfor %}
+INCLUDE_PATHS = {% for p in include_paths %}-I{{p}} {% endfor %}
+LIBRARY_PATHS = {% for p in library_paths %}-L{{p}} {% endfor %}
+LIBRARIES = {% for lib in libraries %}-l{{lib}} {% endfor %}
+LINKER_SCRIPT = {{linker_script}}
+
+############################################################################### 
+AS      = $(GCC_BIN)arm-none-eabi-as
+CC      = $(GCC_BIN)arm-none-eabi-gcc
+CPP     = $(GCC_BIN)arm-none-eabi-g++
+LD      = $(GCC_BIN)arm-none-eabi-gcc
+OBJCOPY = $(GCC_BIN)arm-none-eabi-objcopy
+
+CPU = -mcpu=cortex-m3 -mthumb
+CC_FLAGS = $(CPU) -c -Os -fno-common -fmessage-length=0 -Wall -fno-exceptions -ffunction-sections -fdata-sections 
+CC_SYMBOLS = -DTARGET_LPC1768 -DTOOLCHAIN_GCC_ARM -DNDEBUG -D__CORTEX_M3
+
+LD_FLAGS = -mcpu=cortex-m3 -mthumb -Wl,--gc-sections --specs=nano.specs -u _printf_float -u _scanf_float
+LD_SYS_LIBS = -lstdc++ -lsupc++ -lm -lc -lgcc -lnosys
+
+all: $(PROJECT).bin
+
+clean:
+	rm -f $(PROJECT).bin $(PROJECT).elf $(OBJECTS)
+
+.s.o:
+	$(AS) $(CPU) -o $@ $<
+
+.c.o:
+	$(CC)  $(CC_FLAGS) $(CC_SYMBOLS) -std=gnu99   $(INCLUDE_PATHS) -o $@ $<
+
+.cpp.o:
+	$(CPP) $(CC_FLAGS) $(CC_SYMBOLS) -std=gnu++98 $(INCLUDE_PATHS) -o $@ $<
+
+
+$(PROJECT).elf: $(OBJECTS) $(SYS_OBJECTS)
+	$(LD) $(LD_FLAGS) -T$(LINKER_SCRIPT) $(LIBRARY_PATHS) -o $@ $^ $(LIBRARIES) $(LD_SYS_LIBS) $(LIBRARIES) $(LD_SYS_LIBS)
+
+$(PROJECT).bin: $(PROJECT).elf
+	$(OBJCOPY) -O binary $< $@
diff --git a/workspace_tools/export/gccarm.py b/workspace_tools/export/gccarm.py
new file mode 100644
index 0000000000..323278a5d6
--- /dev/null
+++ b/workspace_tools/export/gccarm.py
@@ -0,0 +1,37 @@
+from exporters import Exporter
+from os.path import splitext, basename
+
+
+class GccArm(Exporter):
+    NAME = 'GccArm'
+    TOOLCHAIN = 'GCC_ARM'
+    TARGETS = ['LPC1768']
+    DOT_IN_RELATIVE_PATH = True
+    
+    def generate(self):
+        # "make" wants Unix paths
+        self.resources.win_to_unix()
+        
+        to_be_compiled = []
+        for r_type in ['s_sources', 'c_sources', 'cpp_sources']:
+            r = getattr(self.resources, r_type)
+            if r:
+                for source in r:
+                    base, ext = splitext(source)
+                    to_be_compiled.append(base + '.o')
+        
+        libraries = []
+        for lib in self.resources.libraries:
+            l, _ = splitext(basename(lib))
+            libraries.append(l[3:])
+        
+        ctx = {
+            'name': self.program_name,
+            'to_be_compiled': to_be_compiled,
+            'object_files': self.resources.objects,
+            'include_paths': self.resources.inc_dirs,
+            'library_paths': self.resources.lib_dirs,
+            'linker_script': self.resources.linker_script,
+            'libraries': libraries,
+        }
+        self.gen_file('gcc_arm_%s.tmpl' % self.target.lower(), ctx, 'Makefile')
diff --git a/workspace_tools/export/iar.ewp.tmpl b/workspace_tools/export/iar.ewp.tmpl
new file mode 100644
index 0000000000..7cf7103ebd
--- /dev/null
+++ b/workspace_tools/export/iar.ewp.tmpl
@@ -0,0 +1,1829 @@
+
+
+
+  2
+  
+    Debug
+    
+      ARM
+    
+    1
+    
+      General
+      3
+      
+        21
+        1
+        1
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+      
+    
+    
+      ICCARM
+      2
+      
+        28
+        1
+        1
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+      
+    
+    
+      AARM
+      2
+      
+        8
+        1
+        1
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+      
+    
+    
+      OBJCOPY
+      0
+      
+        1
+        1
+        1
+        
+        
+        
+        
+        
+      
+    
+    
+      CUSTOM
+      3
+      
+        
+        
+      
+    
+    
+      BICOMP
+      0
+      
+    
+    
+      BUILDACTION
+      1
+      
+        
+        
+      
+    
+    
+      ILINK
+      0
+      
+        14
+        1
+        1
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+      
+    
+    
+      IARCHIVE
+      0
+      
+        0
+        1
+        1
+        
+        
+        
+      
+    
+    
+      BILINK
+      0
+      
+    
+  
+  
+    Release
+    
+      ARM
+    
+    0
+    
+      General
+      3
+      
+        21
+        1
+        0
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+      
+    
+    
+      ICCARM
+      2
+      
+        28
+        1
+        0
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+      
+    
+    
+      AARM
+      2
+      
+        8
+        1
+        0
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+      
+    
+    
+      OBJCOPY
+      0
+      
+        1
+        1
+        0
+        
+        
+        
+        
+        
+      
+    
+    
+      CUSTOM
+      3
+      
+        
+        
+      
+    
+    
+      BICOMP
+      0
+      
+    
+    
+      BUILDACTION
+      1
+      
+        
+        
+      
+    
+    
+      ILINK
+      0
+      
+        14
+        1
+        0
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+      
+    
+    
+      IARCHIVE
+      0
+      
+        0
+        1
+        0
+        
+        
+        
+      
+    
+    
+      BILINK
+      0
+      
+    
+  
+  
+    $PROJ_DIR$\main.cpp
+  
+
+
+
diff --git a/workspace_tools/export/iar.eww.tmpl b/workspace_tools/export/iar.eww.tmpl
new file mode 100644
index 0000000000..37a7826e77
--- /dev/null
+++ b/workspace_tools/export/iar.eww.tmpl
@@ -0,0 +1,8 @@
+
+
+
+  
+    $WS_DIR$\{{name}}.ewp
+  
+  
+
diff --git a/workspace_tools/export/iar.py b/workspace_tools/export/iar.py
new file mode 100644
index 0000000000..833f21479d
--- /dev/null
+++ b/workspace_tools/export/iar.py
@@ -0,0 +1,18 @@
+from exporters import Exporter
+
+
+class IAREmbeddedWorkbench(Exporter):
+    NAME = 'IAR'
+    TARGETS = ['LPC1768']
+    TOOLCHAIN = 'IAR'
+    
+    def generate(self):
+        ctx = {
+            'name': self.program_name,
+            'include_paths': self.resources.inc_dirs,
+            'linker_script': self.resources.linker_script,
+            'object_files': self.resources.objects,
+            'libraries': self.resources.libraries,
+        }
+        self.gen_file('iar.ewp.tmpl', ctx, '%s.ewp' % self.program_name)
+        self.gen_file('iar.eww.tmpl', ctx, '%s.eww' % self.program_name)
diff --git a/workspace_tools/export/uvision4.py b/workspace_tools/export/uvision4.py
new file mode 100644
index 0000000000..49a906c393
--- /dev/null
+++ b/workspace_tools/export/uvision4.py
@@ -0,0 +1,41 @@
+from exporters import Exporter
+from os.path import basename
+
+
+class Uvision4(Exporter):
+    NAME = 'uVision4'
+    TOOLCHAIN = 'ARM'
+    TARGETS = ['LPC1768', 'LPC11U24']
+    FILE_TYPES = {
+        'c_sources':'1',
+        'cpp_sources':'8',
+        's_sources':'2'
+    }
+    # By convention uVision projects do not show header files in the editor:
+    # 'headers':'5',
+    
+    def generate(self):
+        source_files = []
+        for r_type, n in Uvision4.FILE_TYPES.iteritems():
+            for file in getattr(self.resources, r_type):
+                source_files.append({
+                    'name': basename(file), 'type': n, 'path': file
+                })
+        
+        ctx = {
+            'name': self.program_name,
+            'include_paths': self.resources.inc_dirs,
+            'scatter_file': self.resources.linker_script,
+            'object_files': self.resources.objects + self.resources.libraries,
+            'source_files': source_files
+        }
+        target = self.target.lower()
+        
+        print source_files
+                
+        # Project file
+        self.gen_file('uvision4_%s.uvproj.tmpl' % target, ctx, '%s.uvproj' % self.program_name)
+        
+        if (target == 'lpc1768' or target == 'lpc11u24' or target == 'kl25z'):
+            # Add debug option to target the MCB1700
+            self.gen_file('uvision4_%s.uvopt.tmpl' % target, ctx, '%s.uvopt' % self.program_name)
diff --git a/workspace_tools/export/uvision4_lpc11u24.uvopt.tmpl b/workspace_tools/export/uvision4_lpc11u24.uvopt.tmpl
new file mode 100644
index 0000000000..f658322d98
--- /dev/null
+++ b/workspace_tools/export/uvision4_lpc11u24.uvopt.tmpl
@@ -0,0 +1,181 @@
+
+
+
+  1.0
+
+  
### uVision Project, (C) Keil Software

+
+  
+    *.c
+    *.s*; *.src; *.a*
+    *.obj
+    *.lib
+    *.txt; *.h; *.inc
+    *.plm
+    *.cpp
+  
+
+  
+    0
+    0
+  
+
+  
+    mbed NXP LPC11U24
+    0x4
+    ARM-ADS
+    
+      12000000
+      
+        1
+        1
+        1
+        0
+      
+      
+        1
+        65535
+        0
+        0
+        0
+      
+      
+        79
+        66
+        8
+        .\build\
+      
+      
+        1
+        1
+        1
+        0
+        1
+        1
+        0
+        1
+        0
+        0
+        0
+        0
+      
+      
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        0
+        0
+      
+      
+        1
+        0
+        1
+      
+      0
+      
+        SARMCM3.DLL
+        
+        DARMP1.DLL
+        -pLPC11U14
+        SARMCM3.DLL
+        
+        TARMP1.DLL
+        -pLPC11U14
+      
+      
+        0
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        0
+        1
+        0
+        0
+        14
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        BIN\CMSIS_AGDI.dll
+      
+      
+        
+          0
+          CMSIS_AGDI
+          -X"MBED CMSIS-DAP" -UA000000001 -O206 -S0 -C0 -N00("ARM CoreSight SW-DP") -D00(0BB11477) -L00(0) -FO15 -FD10000000 -FC800 -FN1 -FF0LPC1xxx_32 -FS00 -FL08000
+        
+      
+      
+      
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+      
+      
+      
+    
+  
+
+  
+    src
+    1
+    0
+    0
+    
+      1
+      1
+      8
+      0
+      0
+      0
+      0
+      1
+      2
+      0
+      main.cpp
+      main.cpp
+    
+  
+
+
diff --git a/workspace_tools/export/uvision4_lpc11u24.uvproj.tmpl b/workspace_tools/export/uvision4_lpc11u24.uvproj.tmpl
new file mode 100644
index 0000000000..e69a9c6180
--- /dev/null
+++ b/workspace_tools/export/uvision4_lpc11u24.uvproj.tmpl
@@ -0,0 +1,409 @@
+
+
+
+  1.1
+
+  
###This file was automagically generated by mbed.org. For more information, see http://mbed.org/handbook/Exporting-To-Uvision 

+
+  
+    
+      mbed NXP LPC11U24
+      0x4
+      ARM-ADS
+      
+        
+          LPC11U14/201
+          NXP (founded by Philips)
+          IRAM(0x10000000-0x10000FFF) IROM(0-0x7FFF) CLOCK(12000000) CPUTYPE("Cortex-M0")
+          
+          "STARTUP\NXP\LPC11Uxx\startup_LPC11Uxx.s" ("NXP LPC11Uxx Startup Code")
+          UL2CM3(-O4303 -S0 -C0 -FO7 -FD10000000 -FC800 -FN1 -FF0LPC1xxx_32 -FS00 -FL08000)
+          5738
+          LPC11Uxx.h
+          
+          
+          
+          
+          
+          
+          
+          
+          
+          SFD\NXP\LPC11Uxx\LPC11Uxx.SFR
+          0
+          
+          
+          
+          NXP\LPC11Uxx\
+          NXP\LPC11Uxx\
+          
+            0
+            0
+            0
+            0
+            1
+          
+          .\build\
+          {{name}}
+          1
+          0
+          0
+          1
+          1
+          .\build\
+          1
+          0
+          0
+          
+            0
+            0
+            
+            
+            0
+            0
+          
+          
+            0
+            0
+            
+            
+            0
+            0
+          
+          
+            1
+            0
+            fromelf --bin -o build\{{name}}_LPC11U24.bin build\{{name}}.axf
+            
+            0
+            0
+          
+          0
+          
+        
+        
+          0
+          0
+          0
+          0
+          0
+          1
+          0
+          0
+          0
+          0
+          3
+          
+          
+        
+        
+          SARMCM3.DLL
+          
+          DARMP1.DLL
+          -pLPC11U14
+          SARMCM3.DLL
+          
+          TARMP1.DLL
+          -pLPC11U14
+        
+        
+          
+            1
+            0
+            0
+            0
+            16
+          
+          
+            0
+            1
+            1
+            1
+            1
+            1
+            1
+            1
+            0
+          
+          
+            1
+            1
+            1
+            1
+            1
+            1
+            0
+            1
+          
+          0
+          14
+          
+            
+            
+            
+            
+            
+          
+          
+            
+            
+            
+            
+            
+            BIN\CMSIS_AGDI.dll
+          
+        
+        
+          
+            1
+            0
+            0
+            1
+            1
+            4105
+          
+          BIN\CMSIS_AGDI.dll
+          "" ()
+          
+        
+        
+          
+            0
+            1
+            1
+            1
+            1
+            1
+            1
+            1
+            0
+            1
+            1
+            0
+            1
+            1
+            0
+            0
+            1
+            1
+            1
+            1
+            1
+            1
+            1
+            1
+            1
+            0
+            0
+            "Cortex-M0"
+            
+            0
+            0
+            0
+            1
+            1
+            0
+            0
+            0
+            0
+            0
+            8
+            0
+            0
+            0
+            3
+            3
+            0
+            0
+            0
+            0
+            0
+            0
+            0
+            1
+            0
+            0
+            1
+            0
+            0
+            0
+            0
+            1
+            0
+            
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x10000000
+                0x1000
+              
+              
+                1
+                0x0
+                0x8000
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                1
+                0x0
+                0x8000
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x10000000
+                0x1000
+              
+              
+                0
+                0x0
+                0x0
+              
+            
+            
+          
+          
+            1
+            1
+            0
+            0
+            0
+            0
+            0
+            0
+            0
+            0
+            0
+            0
+            
+              --gnu
+              TARGET_LPC11U24
+              
+               {% for path in include_paths %} {{path}}; {% endfor %} 
+            
+          
+          
+            1
+            0
+            0
+            0
+            0
+            0
+            0
+            
+              --gnu
+              
+              
+              
+            
+          
+          
+            0
+            0
+            0
+            0
+            1
+            0
+            0x00000000
+            0x10000000
+            {{scatter_file}}
+            
+            
+            
+            {% for file in object_files %}
+            {{file}}
+            {% endfor %}
+            
+            
+            
+          
+        
+      
+      
+        
+          src
+          
+               {% for file in source_files %}
+               
+                        {{file.name}}
+                        {{file.type}}
+                        {{file.path}}
+                
+               {% endfor %}
+
+          
+        
+      
+    
+  
+
+
+          
+
diff --git a/workspace_tools/export/uvision4_lpc1768.uvopt.tmpl b/workspace_tools/export/uvision4_lpc1768.uvopt.tmpl
new file mode 100644
index 0000000000..91ca45b89c
--- /dev/null
+++ b/workspace_tools/export/uvision4_lpc1768.uvopt.tmpl
@@ -0,0 +1,201 @@
+
+
+
+  1.0
+
+  
### uVision Project, (C) Keil Software

+
+  
+    *.c
+    *.s*; *.src; *.a*
+    *.obj
+    *.lib
+    *.txt; *.h; *.inc
+    *.plm
+    *.cpp
+  
+
+  
+    0
+    0
+  
+
+  
+    mbed NXP LPC1768
+    0x4
+    ARM-ADS
+    
+      12000000
+      
+        1
+        1
+        1
+        0
+      
+      
+        1
+        65535
+        0
+        0
+        0
+      
+      
+        79
+        66
+        8
+        .\build\
+      
+      
+        1
+        1
+        1
+        0
+        1
+        1
+        0
+        1
+        0
+        0
+        0
+        0
+      
+      
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        0
+        0
+      
+      
+        1
+        0
+        1
+      
+      0
+      
+        SARMCM3.DLL
+        -MPU
+        DARMP1.DLL
+        -pLPC1768
+        SARMCM3.DLL
+        -MPU
+        TARMP1.DLL
+        -pLPC1768
+      
+      
+        0
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        1
+        0
+        1
+        0
+        0
+        14
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        
+        BIN\CMSIS_AGDI.dll
+      
+      
+        
+          0
+          CMSIS_AGDI
+          -X"MBED CMSIS-DAP" -UA000000001 -O4559 -S0 -C0 -N00("ARM CoreSight SW-DP") -D00(2BA01477) -L00(0) -FO15 -FD10000000 -FC800 -FN1 -FF0LPC_IAP_512 -FS00 -FL080000
+        
+        
+          0
+          DLGUARM
+          
+        
+        
+          0
+          DLGTARM
+          (1010=-1,-1,-1,-1,0)(1007=-1,-1,-1,-1,0)(1008=-1,-1,-1,-1,0)(1009=-1,-1,-1,-1,0)(1012=-1,-1,-1,-1,0)(350=-1,-1,-1,-1,0)(250=-1,-1,-1,-1,0)(270=-1,-1,-1,-1,0)(313=-1,-1,-1,-1,0)(291=-1,-1,-1,-1,0)(302=-1,-1,-1,-1,0)(110=-1,-1,-1,-1,0)(113=-1,-1,-1,-1,0)(320=-1,-1,-1,-1,0)(210=-1,-1,-1,-1,0)(330=-1,-1,-1,-1,0)(332=-1,-1,-1,-1,0)(333=-1,-1,-1,-1,0)(334=-1,-1,-1,-1,0)(335=-1,-1,-1,-1,0)(336=-1,-1,-1,-1,0)(345=-1,-1,-1,-1,0)(346=-1,-1,-1,-1,0)(381=-1,-1,-1,-1,0)(382=-1,-1,-1,-1,0)(383=-1,-1,-1,-1,0)(384=-1,-1,-1,-1,0)(197=-1,-1,-1,-1,0)(198=-1,-1,-1,-1,0)(191=-1,-1,-1,-1,0)(192=-1,-1,-1,-1,0)(180=-1,-1,-1,-1,0)(261=-1,-1,-1,-1,0)(262=-1,-1,-1,-1,0)(231=-1,-1,-1,-1,0)(232=-1,-1,-1,-1,0)(233=-1,-1,-1,-1,0)(121=-1,-1,-1,-1,0)(122=-1,-1,-1,-1,0)(123=-1,-1,-1,-1,0)(124=-1,-1,-1,-1,0)(170=-1,-1,-1,-1,0)(142=-1,-1,-1,-1,0)(150=-1,-1,-1,-1,0)(400=-1,-1,-1,-1,0)(370=-1,-1,-1,-1,0)(160=-1,-1,-1,-1,0)(280=-1,-1,-1,-1,0)(240=-1,-1,-1,-1,0)
+        
+        
+          0
+          ARMDBGFLAGS
+          
+        
+        
+          0
+          UL2CM3
+          -UV0218BNE -O463 -S0 -C0 -N00("ARM CoreSight SW-DP") -D00(2BA01477) -L00(0) -TO19 -TC10000000 -TP21 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO15 -FD10000000 -FC800 -FN1 -FF0LPC_IAP_512 -FS00 -FL080000
+        
+      
+      
+      
+        0
+        0
+        1
+        0
+        0
+        0
+        0
+        1
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+        0
+      
+      
+      
+    
+  
+
+  
+    src
+    1
+    0
+    0
+    
+      1
+      1
+      8
+      0
+      0
+      0
+      0
+      1
+      7
+      0
+      main.cpp
+      main.cpp
+    
+  
+
+
diff --git a/workspace_tools/export/uvision4_lpc1768.uvproj.tmpl b/workspace_tools/export/uvision4_lpc1768.uvproj.tmpl
new file mode 100644
index 0000000000..ab693f24a6
--- /dev/null
+++ b/workspace_tools/export/uvision4_lpc1768.uvproj.tmpl
@@ -0,0 +1,423 @@
+
+
+
+  1.1
+
+  
###This file was automagically generated by mbed.org. For more information, see http://mbed.org/handbook/Exporting-To-Uvision 

+
+  
+    
+      mbed NXP LPC1768
+      0x4
+      ARM-ADS
+      
+        
+          LPC1768
+          NXP (founded by Philips)
+          IRAM(0x10000000-0x10007FFF) IRAM2(0x2007C000-0x20083FFF) IROM(0-0x7FFFF) CLOCK(12000000) CPUTYPE("Cortex-M3")
+          
+          "STARTUP\NXP\LPC17xx\startup_LPC17xx.s" ("NXP LPC17xx Startup Code")
+          UL2CM3(-O463 -S0 -C0 -FO7 -FD10000000 -FC800 -FN1 -FF0LPC_IAP_512 -FS00 -FL080000)
+          4868
+          LPC17xx.H
+          
+          
+          
+          
+          
+          
+          
+          
+          
+          0
+          
+          
+          
+          NXP\LPC17xx\
+          NXP\LPC17xx\
+          
+            0
+            0
+            0
+            0
+            1
+          
+          .\build\
+          {{name}}
+          1
+          0
+          0
+          1
+          1
+          .\build\
+          1
+          0
+          0
+          
+            0
+            0
+            
+            
+            0
+            0
+            0
+            0
+          
+          
+            0
+            0
+            
+            
+            0
+            0
+          
+          
+            1
+            0
+            fromelf --bin -o build\{{name}}_LPC1768.bin build\{{name}}.axf
+            
+            0
+            0
+          
+          0
+          
+        
+        
+          0
+          0
+          0
+          0
+          0
+          1
+          0
+          0
+          0
+          0
+          3
+          
+          
+        
+        
+          SARMCM3.DLL
+          -MPU
+          DARMP1.DLL
+          -pLPC1768
+          SARMCM3.DLL
+          -MPU
+          TARMP1.DLL
+          -pLPC1768
+        
+        
+          
+            1
+            0
+            0
+            0
+            16
+          
+          
+            0
+            1
+            1
+            1
+            1
+            1
+            1
+            1
+            0
+          
+          
+            1
+            1
+            1
+            1
+            1
+            1
+            0
+            1
+          
+          0
+          14
+          
+            
+            
+            
+            
+            
+          
+          
+            
+            
+            
+            
+            
+            BIN\CMSIS_AGDI.dll
+          
+        
+        
+          
+            1
+            0
+            0
+            1
+            1
+            4105
+          
+          BIN\CMSIS_AGDI.dll
+          "" ()
+          
+        
+        
+          
+            0
+            1
+            1
+            1
+            1
+            1
+            1
+            1
+            0
+            1
+            1
+            0
+            1
+            1
+            0
+            0
+            1
+            1
+            1
+            1
+            1
+            1
+            1
+            1
+            1
+            0
+            0
+            "Cortex-M3"
+            
+            0
+            0
+            0
+            1
+            1
+            0
+            0
+            0
+            1
+            0
+            8
+            0
+            0
+            0
+            3
+            3
+            0
+            0
+            0
+            0
+            0
+            0
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+            0
+            0
+            1
+            0
+            0
+            0
+            0
+            1
+            0
+            
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x10000000
+                0x8000
+              
+              
+                1
+                0x0
+                0x80000
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                1
+                0x0
+                0x0
+              
+              
+                1
+                0x0
+                0x0
+              
+              
+                1
+                0x0
+                0x0
+              
+              
+                1
+                0x0
+                0x80000
+              
+              
+                1
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x0
+                0x0
+              
+              
+                0
+                0x10000000
+                0x8000
+              
+              
+                0
+                0x2007c000
+                0x8000
+              
+            
+            
+          
+          
+            1
+            3
+            0
+            0
+            0
+            0
+            0
+            0
+            0
+            0
+            0
+            0
+            0
+            
+              --gnu
+              TARGET_LPC1768, NDEBUG, TOOLCHAIN_ARM, __CMSIS_RTOS, __CORTEX_M3
+              
+               {% for path in include_paths %} {{path}}; {% endfor %} 
+            
+          
+          
+            1
+            0
+            0
+            0
+            0
+            0
+            0
+            0
+            
+              
+              
+              
+              
+            
+          
+          
+            0
+            0
+            0
+            0
+            1
+            0
+            0x00000000
+            0x10000000
+            {{scatter_file}}
+            
+            
+            
+    
+                {% for file in object_files %} 
+                {{file}}
+                {% endfor %}
+
+            
+            
+            
+          
+        
+      
+      
+        
+          src
+          
+               {% for file in source_files %}
+               
+                        {{file.name}}
+                        {{file.type}}
+                        {{file.path}}
+                        {%if file.type == "1" %}
+                        
+                            
+                              
+                                
+                                  --c99
+                                
+                              
+                            
+                        
+                        {% endif %}
+                
+               {% endfor %}
+          
+        
+      
+    
+  
+
+
+
diff --git a/workspace_tools/export_test.py b/workspace_tools/export_test.py
new file mode 100644
index 0000000000..5428ed4176
--- /dev/null
+++ b/workspace_tools/export_test.py
@@ -0,0 +1,94 @@
+import sys
+from os.path import join, abspath, dirname, exists
+ROOT = abspath(join(dirname(__file__), ".."))
+sys.path.append(ROOT)
+
+from workspace_tools.paths import *
+from workspace_tools.utils import mkdir, cmd, copy_file
+from workspace_tools.export import export
+
+
+USR_PRJ_NAME = "export_test"
+USER_PRJ = join(BUILD_DIR, USR_PRJ_NAME)
+USER_LIB = join(USER_PRJ, "lib")
+USER_SRC = join(USER_PRJ, "src")
+TEMP     = join(USER_PRJ, ".temp")
+
+def setup_test_user_prj():
+    if exists(USER_PRJ):
+        print 'Test user project already generated...'
+        return
+    
+    # Build project directory structure
+    for d in [USER_LIB, USER_SRC]:
+        mkdir(d)
+    
+    # Sources
+    print 'Coping sources...'
+    copy_file(join(TEST_DIR, "mbed", "hello", "main.cpp"), join(USER_SRC, "main.cpp"))
+    
+    # FAKE BUILD URL
+    open(join(USER_SRC, "mbed.bld"), 'w').write("http://mbed.org/users/mbed_official/code/mbed/builds/976df7c37ad5\n")
+
+
+def fake_build_url_resolver(url):
+    # FAKE BUILD URL: Ignore the URL, always return the path to the mbed library
+    return {'path':MBED_LIBRARIES, 'name':'mbed'}
+
+
+def test_export(toolchain, target, expected_error=None):
+    if toolchain is None and target is None:
+        base_dir = join(TEMP, "zip")
+    else:
+        base_dir = join(TEMP, toolchain, target)
+    temp_dir = join(base_dir, "temp")
+    mkdir(temp_dir)
+    
+    zip_path, report = export(USER_PRJ, USR_PRJ_NAME, toolchain, target, base_dir, temp_dir, False, fake_build_url_resolver)
+    
+    if report['success']:
+        export_name = join(TEMP, "export_%s_%s.zip" % (toolchain, target))
+        cmd(["mv", zip_path, export_name])
+        print "[OK]"
+    else:
+        if expected_error is None:
+            print '[ERRROR] %s' % report['errormsg']
+        else:
+            if (zip_path is None) and (expected_error in report['errormsg']):
+                print '[OK]'
+            else:
+                print '[ERROR]'
+                print '    zip:', zip_path
+                print '    msg:', report['errormsg']
+
+
+if __name__ == '__main__':
+    # import logging as log
+    # log.getLogger().setLevel(log.DEBUG)
+    
+    setup_test_user_prj()
+    
+    for toolchain, target in [
+            ('uvision', 'LPC1768'), ('uvision', 'LPC11U24'),
+            
+            ('codered', 'LPC1768'),
+            
+            # Linux path: /home/emimon01/bin/gcc-cs/bin/
+            # Windows path: "C:/Program Files (x86)/CodeSourcery/Sourcery_CodeBench_Lite_for_ARM_EABI/bin/"
+            ('codesourcery', 'LPC1768'),
+            
+            # Linux path: /home/emimon01/bin/gcc-arm/bin/
+            # Windows path: C:/arm-none-eabi-gcc-4_7/bin/
+            ('gcc_arm', 'LPC1768'),
+            
+            ('ds5_5', 'LPC1768'), ('ds5_5', 'LPC11U24'),
+            
+            ('iar', 'LPC1768'),
+            
+            (None, None)
+        ]:
+        print '\n=== Exporting to "%s::%s" ===' % (toolchain, target)
+        test_export(toolchain, target)
+    
+    print "\n=== Test error messages ==="
+    test_export('codered', 'LPC11U24', expected_error='codered')
diff --git a/workspace_tools/host_tests/__init__.py b/workspace_tools/host_tests/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/workspace_tools/host_tests/echo.py b/workspace_tools/host_tests/echo.py
new file mode 100644
index 0000000000..b03f8fcc6d
--- /dev/null
+++ b/workspace_tools/host_tests/echo.py
@@ -0,0 +1,31 @@
+from host_test import Test
+
+
+class EchoTest(Test):
+    def __init__(self):
+        Test.__init__(self)
+        self.mbed.init_serial(115200)
+        self.mbed.reset()
+    
+    def test(self):
+        self.mbed.flush()
+        self.notify("Starting the ECHO test")
+        TEST="longer serial test"
+        check = True
+        for i in range(1, 100):
+            self.mbed.serial.write(TEST + "\n")
+            l = self.mbed.serial.readline().strip()
+            if not l: continue
+            
+            if l != TEST:
+                check = False
+                self.notify('"%s" != "%s"' % (l, TEST))
+            else:
+                if (i % 10) == 0:
+                    self.notify('.')
+        
+        return check
+
+
+if __name__ == '__main__':
+    EchoTest().run()
diff --git a/workspace_tools/host_tests/example/TCPEchoClient.py b/workspace_tools/host_tests/example/TCPEchoClient.py
new file mode 100644
index 0000000000..6aa0ce7854
--- /dev/null
+++ b/workspace_tools/host_tests/example/TCPEchoClient.py
@@ -0,0 +1,12 @@
+import socket
+
+ECHO_SERVER_ADDRESS = "10.2.131.195"
+ECHO_PORT = 7
+
+s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 
+s.connect((ECHO_SERVER_ADDRESS, ECHO_PORT))
+
+s.sendall('Hello, world')
+data = s.recv(1024)
+s.close()
+print 'Received', repr(data)
diff --git a/workspace_tools/host_tests/example/TCPEchoServer.py b/workspace_tools/host_tests/example/TCPEchoServer.py
new file mode 100644
index 0000000000..ef860c4469
--- /dev/null
+++ b/workspace_tools/host_tests/example/TCPEchoServer.py
@@ -0,0 +1,14 @@
+import socket
+
+s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+s.bind(('', 7))
+s.listen(1)
+
+while True:
+    conn, addr = s.accept()
+    print 'Connected by', addr
+    while True:
+        data = conn.recv(1024)
+        if not data: break
+        conn.sendall(data)
+    conn.close()
diff --git a/workspace_tools/host_tests/example/UDPEchoClient.py b/workspace_tools/host_tests/example/UDPEchoClient.py
new file mode 100644
index 0000000000..fb2960b35f
--- /dev/null
+++ b/workspace_tools/host_tests/example/UDPEchoClient.py
@@ -0,0 +1,12 @@
+import socket
+ 
+ECHO_SERVER_ADDRESS = '10.2.131.195'
+ECHO_PORT = 7
+
+sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+
+sock.sendto("Hello World\n", (ECHO_SERVER_ADDRESS, ECHO_PORT))
+response = sock.recv(256)
+sock.close()
+
+print response
diff --git a/workspace_tools/host_tests/example/UDPEchoServer.py b/workspace_tools/host_tests/example/UDPEchoServer.py
new file mode 100644
index 0000000000..bb2b193898
--- /dev/null
+++ b/workspace_tools/host_tests/example/UDPEchoServer.py
@@ -0,0 +1,11 @@
+import socket
+ 
+ECHO_PORT = 7
+
+sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+sock.bind(('', ECHO_PORT))
+
+while True:
+    data, address = sock.recvfrom(256)
+    print "datagram from", address
+    sock.sendto(data, address)
diff --git a/workspace_tools/host_tests/example/__init__.py b/workspace_tools/host_tests/example/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/workspace_tools/host_tests/host_test.py b/workspace_tools/host_tests/host_test.py
new file mode 100644
index 0000000000..46aeef2456
--- /dev/null
+++ b/workspace_tools/host_tests/host_test.py
@@ -0,0 +1,92 @@
+from optparse import OptionParser
+from serial import Serial
+from time import sleep
+from sys import stdout
+
+
+class Mbed:
+    """
+    Base class for a host driven test
+    """
+    def __init__(self):
+        parser = OptionParser()
+        
+        parser.add_option("-m", "--micro", dest="micro",
+                      help="The target microcontroller ", metavar="MICRO")
+        
+        parser.add_option("-p", "--port", dest="port",
+                      help="The serial port of the target mbed (ie: COM3)", metavar="PORT")
+        
+        parser.add_option("-d", "--disk", dest="disk",
+                      help="The target disk path", metavar="DISK_PATH")
+        
+        parser.add_option("-t", "--timeout", dest="timeout",
+                      help="Timeout", metavar="TIMEOUT")
+        
+        (self.options, _) = parser.parse_args()
+        
+        if self.options.port is None:
+            raise Exception("The serial port of the target mbed have to be provided as command line arguments")
+        
+        self.port = self.options.port
+        self.disk = self.options.disk
+        self.serial = None
+        self.timeout = 10 if self.options.timeout is None else self.options.timeout
+        
+        print 'Mbed: "%s" "%s"' % (self.port, self.disk)
+    
+    def init_serial(self, baud=9600):
+        self.serial = Serial(self.port, timeout = 1)
+        self.serial.setBaudrate(baud)
+        self.flush()
+    
+    def reset(self):
+        self.serial.sendBreak()
+        # Give time to wait for the image loading
+        sleep(2)
+    
+    def flush(self):
+        self.serial.flushInput()
+        self.serial.flushOutput()
+
+
+class Test:
+    def __init__(self):
+        self.mbed = Mbed()
+    
+    def run(self):
+        try:
+            result = self.test()
+            self.print_result("success" if result else "failure")
+        except Exception, e:
+            print str(e)
+            self.print_result("error")
+    
+    def notify(self, message):
+        print message
+        stdout.flush()
+    
+    def print_result(self, result):
+        self.notify("\n{%s}\n{end}" % result)
+
+
+class DefaultTest(Test):
+    def __init__(self):
+        Test.__init__(self)
+        self.mbed.init_serial()
+        self.mbed.reset()
+
+
+class Simple(DefaultTest):
+    def run(self):
+        try:
+            while True:
+                c = self.mbed.serial.read(512)
+                stdout.write(c)
+                stdout.flush()
+        except KeyboardInterrupt, _:
+            print "\n[CTRL+c] exit"
+
+
+if __name__ == '__main__':
+    Simple().run()
diff --git a/workspace_tools/host_tests/mbedrpc.py b/workspace_tools/host_tests/mbedrpc.py
new file mode 100644
index 0000000000..06ea84e575
--- /dev/null
+++ b/workspace_tools/host_tests/mbedrpc.py
@@ -0,0 +1,292 @@
+# mbedRPC.py - mbed RPC interface for Python
+#
+##Copyright (c) 2010 ARM Ltd
+##
+##Permission is hereby granted, free of charge, to any person obtaining a copy
+##of this software and associated documentation files (the "Software"), to deal
+##in the Software without restriction, including without limitation the rights
+##to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+##copies of the Software, and to permit persons to whom the Software is
+##furnished to do so, subject to the following conditions:
+## 
+##The above copyright notice and this permission notice shall be included in
+##all copies or substantial portions of the Software.
+## 
+##THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+##IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+##FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+##AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+##LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+##OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+##THE SOFTWARE.
+#
+#Example:
+#> from mbedRPC import*
+#> mbed = SerialRPC("COM5",9600);
+#> myled = DigitalOut(mbed, LED1);
+#> myled.write(1)
+#> 
+
+import serial, urllib2, time
+
+
+class pin():
+    def __init__(self, id):
+        self.name = id
+
+LED1 = pin("LED1")
+LED2 = pin("LED2")
+LED3 = pin("LED3")
+LED4 = pin("LED4")
+
+p5 = pin("p5")
+p6 = pin("p6")
+p7 = pin("p7")
+p8 = pin("p8")
+p9 = pin("p9")
+p10 = pin("p10")
+p11 = pin("p11")
+p12 = pin("p12")
+p13 = pin("p13")
+p14 = pin("p14")
+p15 = pin("p15")
+p16 = pin("p16")
+p17 = pin("p17")
+p18 = pin("p18")
+p19 = pin("p19")
+p20 = pin("p20")
+p21 = pin("p21")
+p22 = pin("p22")
+p23 = pin("p23")
+p24 = pin("p24")
+p25 = pin("p25")
+p26 = pin("p26")
+p27 = pin("p27")
+p28 = pin("p28")
+p29 = pin("p29")
+p30 = pin("p30")
+
+
+#mbed super class
+class mbed:
+    def __init__(self):
+            print("This will work as a demo but no transport mechanism has been selected")
+    
+    def rpc(self, name, method, args):
+            print("Superclass method not overridden")
+
+#Transport mechanisms, derived from mbed
+
+class SerialRPC(mbed):
+    def __init__(self, port, baud=9600, reset=True, debug=False):
+        self.ser = serial.Serial(port)
+        self.ser.setBaudrate(baud)
+        self.ser.flushInput()
+        self.ser.flushOutput()
+        self.debug = debug
+        if reset:
+            if debug:
+                print "Reset mbed"
+            self.ser.sendBreak()
+            time.sleep(2)
+    
+    def rpc(self, name, method, args):
+        request = "/" + name + "/" + method + " " + " ".join(args)
+        if self.debug:
+            print "[RPC::TX] %s" % request
+        self.ser.write(request + "\n")
+        
+        while True:
+            response = self.ser.readline().strip()
+            if self.debug:
+                print "[RPC::RX] %s" % response
+            
+            # Ignore comments
+            if not response.startswith('#'): break
+        return response
+
+
+class HTTPRPC(mbed):
+    def __init__(self, ip):
+        self.host = "http://" + ip
+    
+    def rpc(self, name, method, args):
+        response = urllib2.urlopen(self.host + "/rpc/" + name + "/" + method + "," + ",".join(args))
+        return response.read().strip()
+
+
+#mbed Interfaces
+
+class DigitalOut():
+    def __init__(self, this_mbed , mpin):
+        self.mbed = this_mbed
+        if isinstance(mpin, str):
+            self.name = mpin
+        elif isinstance(mpin, pin):
+            self.name = self.mbed.rpc("DigitalOut", "new", [mpin.name])
+     
+    def __del__(self):
+        r = self.mbed.rpc(self.name, "delete", [])
+    
+    def write(self, value):
+        r = self.mbed.rpc(self.name, "write", [str(value)])
+    
+    def read(self):
+        r = self.mbed.rpc(self.name, "read", [])
+        return int(r)
+
+
+class AnalogIn():
+    def __init__(self, this_mbed , mpin):
+        self.mbed = this_mbed
+        if isinstance(mpin, str):
+            self.name = mpin
+        elif isinstance(mpin, pin):
+            self.name = self.mbed.rpc("AnalogIn", "new", [mpin.name])
+    
+    def __del__(self):
+        r = self.mbed.rpc(self.name, "delete", [])
+    
+    def read(self):
+        r = self.mbed.rpc(self.name, "read", [])
+        return float(r)
+    
+    def read_u16(self):
+        r = self.mbed.rpc(self.name, "read_u16", [])
+        return int(r)
+
+
+class AnalogOut():
+    def __init__(self, this_mbed , mpin):
+        self.mbed = this_mbed
+        if isinstance(mpin, str):
+            self.name = mpin
+        elif isinstance(mpin, pin):
+            self.name = self.mbed.rpc("AnalogOut", "new", [mpin.name])
+    
+    def __del__(self):
+        r = self.mbed.rpc(self.name, "delete", [])
+    
+    def write(self, value):
+        r = self.mbed.rpc(self.name, "write", [str(value)])
+    
+    def write_u16(self, value):
+        r = self.mbed.rpc(self.name, "write_u16", [str(value)])
+    
+    def read(self):
+        r = self.mbed.rpc(self.name, "read", [])
+        return float(r)
+
+
+class DigitalIn():
+    def __init__(self, this_mbed , mpin):
+        self.mbed = this_mbed
+        if isinstance(mpin, str):
+            self.name = mpin
+        elif isinstance(mpin, pin):
+            self.name = self.mbed.rpc("DigitalIn", "new", [mpin.name])
+    
+    def __del__(self):
+        r = self.mbed.rpc(self.name, "delete", [])
+    
+    def read(self):
+        r = self.mbed.rpc(self.name, "read", [])
+        return int(r)
+
+
+class PwmOut():
+    def __init__(self, this_mbed , mpin):
+        self.mbed = this_mbed
+        if isinstance(mpin, str):
+            self.name = mpin
+        elif isinstance(mpin, pin):
+            self.name = self.mbed.rpc("PwmOut", "new", [mpin.name])
+    
+    def __del__(self):
+        r = self.mbed.rpc(self.name, "delete", [])
+    
+    def write(self, value):
+        r = self.mbed.rpc(self.name, "write", [str(value)])
+    
+    def read(self):
+        r = self.mbed.rpc(self.name, "read", [])
+        return float(r)
+    
+    def period(self, value):
+        r = self.mbed.rpc(self.name, "period", [str(value)])
+        
+    def period_ms(self, value):
+        r = self.mbed.rpc(self.name, "period_ms", [str(value)])
+    
+    def period_us(self, value):
+        r = self.mbed.rpc(self.name, "period_us", [str(value)])
+        
+    def puslewidth(self, value):
+        r = self.mbed.rpc(self.name, "pulsewidth", [str(value)])
+    
+    def puslewidth_ms(self, value):
+        r = self.mbed.rpc(self.name, "pulsewidth_ms", [str(value)])
+
+    def puslewidth_us(self, value):
+        r = self.mbed.rpc(self.name, "pulsewidth_us", [str(value)])
+
+
+class Serial():
+    def __init__(self, this_mbed , tx, rx = ""):
+        self.mbed = this_mbed
+        if isinstance(tx, str):
+            self.name = mpin
+        elif isinstance(mpin, pin):
+            self.name = self.mbed.rpc("Serial", "new", [tx.name, rx.name])
+    
+    def __del__(self):
+        r = self.mbed.rpc(self.name, "delete", [])
+    
+    def putc(self, value):
+        r = self.mbed.rpc(self.name, "putc", [str(value)])
+    
+    def puts(self, value):
+        r = self.mbed.rpc(self.name, "puts", [ "\"" + str(value) + "\""])
+    
+    def getc(self):
+        r = self.mbed.rpc(self.name, "getc", [])
+        return int(r)
+
+
+class RPCFunction():
+    def __init__(self, this_mbed , name):
+        self.mbed = this_mbed
+        if isinstance(name, str):
+            self.name = name
+    
+    def __del__(self):
+        r = self.mbed.rpc(self.name, "delete", [])
+    
+    def read(self):
+        r = self.mbed.rpc(self.name, "read", [])
+        return int(r)
+    
+    def run(self, input):
+        r = self.mbed.rpc(self.name, "run", [input])
+        return r
+
+
+class RPCVariable():
+    def __init__(self, this_mbed , name):
+        self.mbed = this_mbed
+        if isinstance(name, str):
+            self.name = name
+    
+    def __del__(self):
+        r = self.mbed.rpc(self.name, "delete", [])
+    
+    def write(self, value):
+        self.mbed.rpc(self.name, "write", [str(value)])
+    
+    def read(self):
+        r = self.mbed.rpc(self.name, "read", [])
+        return r
+
+
+def wait(s):
+    time.sleep(s)
diff --git a/workspace_tools/host_tests/net_test.py b/workspace_tools/host_tests/net_test.py
new file mode 100644
index 0000000000..fd6022c1e3
--- /dev/null
+++ b/workspace_tools/host_tests/net_test.py
@@ -0,0 +1,11 @@
+from host_test import Test, Simple
+from sys import stdout
+
+class NETTest(Simple):
+    def __init__(self):
+        Test.__init__(self)
+        self.mbed.init_serial(115200)
+        self.mbed.reset()
+
+if __name__ == '__main__':
+    NETTest().run()
diff --git a/workspace_tools/host_tests/rpc.py b/workspace_tools/host_tests/rpc.py
new file mode 100644
index 0000000000..20ec746d7d
--- /dev/null
+++ b/workspace_tools/host_tests/rpc.py
@@ -0,0 +1,40 @@
+from host_test import Test
+from mbedrpc import SerialRPC, DigitalOut, DigitalIn, pin
+
+
+class RpcTest(Test):
+    def test(self):
+        self.notify("RPC Test")
+        s = SerialRPC(self.mbed.port, debug=True)
+        
+        self.notify("Init remote objects")
+        
+        p_out = pin("p10")
+        p_in  = pin("p11")
+        
+        if hasattr(self.mbed.options, 'micro'):
+            if self.mbed.options.micro == 'M0+':
+                print "Freedom Board: PTA12 <-> PTC4"
+                p_out = pin("PTA12")
+                p_in  = pin("PTC4")
+        
+        self.output = DigitalOut(s, p_out);
+        self.input = DigitalIn(s, p_in);
+        
+        self.check = True
+        self.write_read_test(1)
+        self.write_read_test(0)
+        return self.check
+    
+    def write_read_test(self, v):
+        self.notify("Check %d" % v)
+        self.output.write(v)
+        if self.input.read() != v:
+            self.notify("ERROR")
+            self.check = False
+        else:
+            self.notify("OK")
+
+
+if __name__ == '__main__':
+    RpcTest().run()
diff --git a/workspace_tools/host_tests/tcpecho_client.py b/workspace_tools/host_tests/tcpecho_client.py
new file mode 100644
index 0000000000..eeb295200e
--- /dev/null
+++ b/workspace_tools/host_tests/tcpecho_client.py
@@ -0,0 +1,41 @@
+import socket
+import string, random
+from time import time
+
+from private_settings import SERVER_ADDRESS
+
+ECHO_PORT = 7
+
+LEN_PACKET = 127
+N_PACKETS = 5000
+TOT_BITS = float(LEN_PACKET * N_PACKETS * 8) * 2
+MEGA = float(1024 * 1024)
+UPDATE_STEP = (N_PACKETS/10)
+
+class TCP_EchoClient:
+    def __init__(self, host):
+        self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 
+        self.s.connect((host, ECHO_PORT))
+        self.packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
+    
+    def __packet(self):
+        # Comment out the checks when measuring the throughput
+        # self.packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
+        self.s.send(self.packet)
+        data = self.s.recv(LEN_PACKET)
+        # assert self.packet == data, "packet error:\n%s\n%s\n" % (self.packet, data)
+    
+    def test(self):
+        start = time()
+        for i in range(N_PACKETS):
+            if (i % UPDATE_STEP) == 0: print '%.2f%%' % ((float(i)/float(N_PACKETS)) * 100.)
+            self.__packet()
+        t = time() - start
+        print 'Throughput: (%.2f)Mbits/s' % ((TOT_BITS / t)/MEGA)
+    
+    def __del__(self):
+        self.s.close() 
+
+while True:
+    e = TCP_EchoClient(SERVER_ADDRESS)
+    e.test()
diff --git a/workspace_tools/host_tests/tcpecho_server.py b/workspace_tools/host_tests/tcpecho_server.py
new file mode 100644
index 0000000000..03d3ca1ca5
--- /dev/null
+++ b/workspace_tools/host_tests/tcpecho_server.py
@@ -0,0 +1,34 @@
+from SocketServer import BaseRequestHandler, TCPServer
+from time import time
+
+from private_settings import LOCALHOST
+
+MAX_INDEX = 126
+MEGA = float(1024 * 1024)
+
+class TCP_EchoHandler(BaseRequestHandler):
+    def handle(self):
+        print "\nconnection received"
+        start = time()
+        bytes = 0
+        index = 0
+        while True:
+            data = self.request.recv(1024)
+            if not data: break
+            
+            bytes += len(data)
+            for n in map(ord, data):
+                if n != index:
+                    print "data error %d != %d" % (n , index)
+                index += 1
+                if index > MAX_INDEX:
+                    index = 0
+            
+            self.request.sendall(data)
+        t = time() - start
+        b = float(bytes * 8) * 2
+        print "Throughput: (%.2f)Mbits/s" % ((b/t)/MEGA)
+
+server = TCPServer((LOCALHOST, 7), TCP_EchoHandler)
+print "listening for connections"
+server.serve_forever()
diff --git a/workspace_tools/host_tests/udpecho_client.py b/workspace_tools/host_tests/udpecho_client.py
new file mode 100644
index 0000000000..b61578eace
--- /dev/null
+++ b/workspace_tools/host_tests/udpecho_client.py
@@ -0,0 +1,39 @@
+from socket import socket, AF_INET, SOCK_DGRAM
+import string, random
+from time import time
+
+from private_settings import CLIENT_ADDRESS
+
+ECHO_PORT = 7
+
+LEN_PACKET = 127
+N_PACKETS = 5000
+TOT_BITS = float(LEN_PACKET * N_PACKETS * 8) * 2
+MEGA = float(1024 * 1024)
+UPDATE_STEP = (N_PACKETS/10)
+
+class UDP_EchoClient:
+    s = socket(AF_INET, SOCK_DGRAM)
+    
+    def __init__(self, host):
+        self.host = host
+        self.packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
+    
+    def __packet(self):
+        # Comment out the checks when measuring the throughput
+        # packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
+        UDP_EchoClient.s.sendto(packet, (self.host, ECHO_PORT))
+        data = UDP_EchoClient.s.recv(LEN_PACKET)
+        # assert packet == data, "packet error:\n%s\n%s\n" % (packet, data)
+    
+    def test(self):
+        start = time()
+        for i in range(N_PACKETS):
+            if (i % UPDATE_STEP) == 0: print '%.2f%%' % ((float(i)/float(N_PACKETS)) * 100.)
+            self.__packet()
+        t = time() - start
+        print 'Throughput: (%.2f)Mbits/s' % ((TOT_BITS / t)/MEGA)
+
+while True:
+    e = UDP_EchoClient(CLIENT_ADDRESS)
+    e.test()
diff --git a/workspace_tools/host_tests/udpecho_server.py b/workspace_tools/host_tests/udpecho_server.py
new file mode 100644
index 0000000000..f781654e49
--- /dev/null
+++ b/workspace_tools/host_tests/udpecho_server.py
@@ -0,0 +1,13 @@
+from SocketServer import BaseRequestHandler, UDPServer
+from private_settings import SERVER_ADDRESS
+
+class UDP_EchoHandler(BaseRequestHandler):
+    def handle(self):
+        data, socket = self.request
+        print "client:", self.client_address
+        print "data:", data
+        socket.sendto(data, self.client_address)
+
+server = UDPServer((SERVER_ADDRESS, 7195), UDP_EchoHandler)
+print "listening for connections"
+server.serve_forever()
diff --git a/workspace_tools/libraries.py b/workspace_tools/libraries.py
new file mode 100644
index 0000000000..8429933884
--- /dev/null
+++ b/workspace_tools/libraries.py
@@ -0,0 +1,106 @@
+from workspace_tools.paths import *
+from workspace_tools.data.support import *
+
+
+LIBRARIES = [
+    # NXP
+    {
+        "id": "nxp_cmsis",
+        "source_dir": join(NXP, "cmsis"),
+        "build_dir": MBED_LIBRARIES,
+        "supported": DEFAULT_SUPPORT
+    },
+    {
+        "id": "nxp_mbed",
+        "name": "mbed",
+        "source_dir": [join(NXP, "capi"), MBED_CAPI, MBED_CPP],
+        "build_dir": MBED_LIBRARIES,
+        "dependencies": [MBED_LIBRARIES],
+        "supported": DEFAULT_SUPPORT
+    },
+    
+    # RTOS libraries
+    {
+        "id": "rtx",
+        "source_dir": MBED_RTX,
+        "build_dir": RTOS_LIBRARIES,
+        "dependencies": [MBED_LIBRARIES],
+        "supported": DEFAULT_SUPPORT
+    },
+    {
+        "id": "rtos",
+        "source_dir": RTOS_ABSTRACTION,
+        "build_dir": RTOS_LIBRARIES,
+        "dependencies": [MBED_LIBRARIES, MBED_RTX],
+        "supported": DEFAULT_SUPPORT
+    },
+    
+    # USB Device libraries
+    {
+        "id": "usb",
+        "source_dir": USB,
+        "build_dir": USB_LIBRARIES,
+        "dependencies": [MBED_LIBRARIES],
+        "supported": DEFAULT_SUPPORT
+    },
+             
+    # USB Host libraries
+    {
+        "id": "usb_host",
+        "source_dir": USB_HOST,
+        "build_dir": USB_HOST_LIBRARIES,
+        "dependencies": [MBED_LIBRARIES, FAT_FS, MBED_RTX, RTOS_ABSTRACTION],
+        "supported": DEFAULT_SUPPORT
+    },
+    
+    # DSP libraries
+    {
+        "id": "cmsis_dsp",
+        "source_dir": DSP_CMSIS,
+        "build_dir": DSP_LIBRARIES,
+        "dependencies": [MBED_LIBRARIES],
+        "supported": CORTEX_ARM_SUPPORT
+    },
+    {
+        "id": "dsp",
+        "source_dir": DSP_ABSTRACTION,
+        "build_dir": DSP_LIBRARIES,
+        "dependencies": [MBED_LIBRARIES, DSP_CMSIS],
+        "supported": CORTEX_ARM_SUPPORT
+    },
+    
+    # Network libraries
+    {
+        "id": "eth",
+        "source_dir": [ETH_SOURCES, LWIP_SOURCES],
+        "build_dir": ETH_LIBRARY,
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES, ETH_SOURCES, LWIP_SOURCES],
+        "supported": CORTEX_ARM_SUPPORT
+    },
+    
+    {
+        "id": "vodafone",
+        "source_dir": [VODAFONE_SOURCES, LWIP_SOURCES],
+        "build_dir": VODAFONE_LIBRARY,
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES, VODAFONE_SOURCES, LWIP_SOURCES],
+        "supported": CORTEX_ARM_SUPPORT
+    },
+]
+
+
+LIBRARY_MAP = dict([(library['id'], library) for library in LIBRARIES])
+
+
+class Library:
+    DEFAULTS = {
+        'dependencies': None,
+        'name': None
+    }
+    def __init__(self, lib_id):
+        self.__dict__.update(Library.DEFAULTS)
+        self.__dict__.update(LIBRARY_MAP[lib_id])
+    
+    def is_supported(self, target, toolchain):
+        if not hasattr(self, 'supported'):
+            return True
+        return (target in self.supported) and (toolchain in self.supported[target])
diff --git a/workspace_tools/make.py b/workspace_tools/make.py
new file mode 100644
index 0000000000..1bcb478394
--- /dev/null
+++ b/workspace_tools/make.py
@@ -0,0 +1,107 @@
+#! /usr/bin/env python
+"""
+TEST BUILD & RUN
+"""
+import sys
+from os.path import join, abspath, dirname
+from shutil import copy
+from time import sleep
+from serial import Serial
+
+# Be sure that the tools directory is in the search path
+ROOT = abspath(join(dirname(__file__), ".."))
+sys.path.append(ROOT)
+
+from workspace_tools.options import get_default_options_parser, TARGET_OPTIONS
+from workspace_tools.build_api import build_project
+from workspace_tools.tests import TESTS, Test, TEST_MAP
+from workspace_tools.paths import BUILD_DIR, RTOS_LIBRARIES
+
+
+def args_error(parser, message):
+    print "\n\n%s\n\n" % message
+    parser.print_help()
+    sys.exit()
+
+
+if __name__ == '__main__':
+    # Parse Options
+    parser = get_default_options_parser()
+    parser.add_option("-p", type="int", dest="program",
+                      help="The index of the desired test program: [0-%d]" % (len(TESTS)-1))
+    parser.add_option("-v", "--verbose", action="store_true", dest="verbose",
+                      default=False, help="Verbose diagnostic output")
+    
+    # Local run
+    parser.add_option("-d", "--disk", dest="disk",
+                      default=None, help="The mbed disk")
+    parser.add_option("-s", "--serial", dest="serial",
+                      default=None, help="The mbed serial port")
+    parser.add_option("-b", "--baud", type="int", dest="baud",
+                      default=None, help="The mbed serial baud rate")
+    
+    # Ideally, all the tests with a single "main" thread can be run with, or
+    # without the rtos
+    parser.add_option("--rtos", action="store_true", dest="rtos",
+                      default=False, help="Link to the rtos")
+    
+    (options, args) = parser.parse_args()
+    
+    # Program Number
+    p = options.program
+    if p is None or (p < 0) or (p > (len(TESTS)-1)):
+        message = "[ERROR] You have to specify one of the following tests:\n"
+        descriptions = [(test.n, test.description) for test in TEST_MAP.values()]
+        descriptions.sort()
+        message += '\n'.join(["  [%2d] %s " % d for d in descriptions])
+        args_error(parser, message)
+    
+    # Target
+    if options.mcu is None :
+        args_error(parser, "[ERROR] You should specify an MCU")
+    mcu = TARGET_OPTIONS[options.mcu]
+    
+    # Toolchain
+    if options.tool is None:
+        args_error(parser, "[ERROR] You should specify a TOOLCHAIN")
+    toolchain = options.tool
+    
+    # Test
+    test = Test(p)
+    if not test.is_supported(mcu, toolchain):
+        print 'The selected test is not supported on target %s with toolchain %s' % (mcu, toolchain)
+        sys.exit()
+    
+    # RTOS
+    if options.rtos:
+        test.dependencies.append(RTOS_LIBRARIES)
+    
+    build_dir = join(BUILD_DIR, "test", mcu, toolchain, test.id)
+    
+    try:
+        bin = build_project(test.source_dir, build_dir, mcu, toolchain,
+                            test.dependencies, clean=options.clean, verbose=options.verbose)
+        print 'Image: %s' % bin
+        
+        if options.disk:
+            # Simple copy to the mbed disk
+            copy(bin, options.disk)
+            sleep(1)
+        
+        if options.serial:
+            serial = Serial(options.serial, timeout = 1)
+            if options.baud:
+                serial.setBaudrate(options.baud)
+            serial.flushInput()
+            serial.flushOutput()
+            serial.sendBreak()
+            
+            while True:
+                c = serial.read(512)
+                sys.stdout.write(c)
+                sys.stdout.flush()
+    
+    except KeyboardInterrupt, e:
+        print "\n[CTRL+c] exit"
+    except Exception,e:
+        print "[ERROR] %s" % str(e)
diff --git a/workspace_tools/options.py b/workspace_tools/options.py
new file mode 100644
index 0000000000..5c188c299b
--- /dev/null
+++ b/workspace_tools/options.py
@@ -0,0 +1,29 @@
+from optparse import OptionParser
+
+from workspace_tools.toolchains import *
+
+# Targets and Toolchains
+
+TARGET_OPTIONS = {
+    "ARM7": "LPC2368",
+    "M3": "LPC1768",
+    "M0": "LPC11U24",
+}
+TARGETS = TARGET_OPTIONS.values()
+
+def get_default_options_parser():
+    parser = OptionParser()
+    
+    parser.add_option("-m", "--mcu", dest="mcu",
+                  help="build for the given MCU (%s)" % ', '.join(TARGET_OPTIONS.keys()),
+                  metavar="MCU")
+    
+    parser.add_option("-t", "--tool", dest="tool",
+                  help="build using the given TOOLCHAIN (%s)" % ', '.join(TOOLCHAINS),
+                  metavar="TOOLCHAIN")
+    
+    parser.add_option("-c", "--clean",
+                  action="store_true", dest="clean", default=False,
+                  help="clean the build directory")
+    
+    return parser
diff --git a/workspace_tools/patch.py b/workspace_tools/patch.py
new file mode 100644
index 0000000000..da5ab9936b
--- /dev/null
+++ b/workspace_tools/patch.py
@@ -0,0 +1,34 @@
+"""
+http://www.nxp.com/documents/user_manual/UM10360.pdf
+
+32.3.1.1 Criterion for Valid User Code
+The reserved Cortex-M3 exception vector location 7 (offset 0x1C in the vector table)
+should contain the 2's complement of the check-sum of table entries 0 through 6. This
+causes the checksum of the first 8 table entries to be 0. The boot loader code checksums
+the first 8 locations in sector 0 of the flash. If the result is 0, then execution control is
+transferred to the user code.
+"""
+from struct import unpack, pack
+
+
+def patch(bin_path):
+    with open(bin_path, 'r+b') as bin:
+        # Read entries 0 through 6 (Little Endian 32bits words)
+        vector = [unpack(' p25 )
+  
+  * port_loop (Port(In|Out|InOut)):
+      * LPC1*: (p5   <-> p25 ), (p6   <-> p26 )
+  
+  * analog_loop (AnalogIn, AnalogOut):
+      * LPC1*: (p17   <-> p18 )
+  
+  * SD (SPI):
+      * LPC1*: (mosi=p11 , miso=p12 , sclk=p13 , cs=p14 )
+      
+  * MMA7660 (I2C):
+      * LPC1*: (SDA=p28 , SCL=p27)
+"""
+TESTS = [
+    # Automated MBED tests
+    {
+        "id": "MBED_A1", "description": "MBED: Basic",
+        "source_dir": join(TEST_DIR, "mbed", "basic"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+        "automated": True,
+    },
+    {
+        "id": "MBED_A2", "description": "MBED: semihost file system",
+        "source_dir": join(TEST_DIR, "mbed", "file"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+        "automated": True,
+        "mcu": ["LPC1768", "LPC2368", "LPC11U24"]
+    },
+    {
+        "id": "MBED_A3", "description": "MBED: C++ STL",
+        "source_dir": join(TEST_DIR, "mbed", "stl"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+        "automated": True,
+    },
+    {
+        "id": "MBED_A4", "description": "MBED: I2C TMP102",
+        "source_dir": join(TEST_DIR, "mbed", "i2c_TMP102"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB, join(PERIPHERALS, 'TMP102')],
+        "automated": True,
+        "peripherals": ["TMP102"]
+    },
+    {
+        "id": "MBED_A5", "description": "MBED: DigitalIn DigitalOut",
+        "source_dir": join(TEST_DIR, "mbed", "digitalin_digitalout"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+        "automated": True,
+        "peripherals": ["digital_loop"]
+    },
+    {
+        "id": "MBED_A6", "description": "MBED: DigitalInOut",
+        "source_dir": join(TEST_DIR, "mbed", "digitalinout"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+        "automated": True,
+        "peripherals": ["digital_loop"]
+    },
+    {
+        "id": "MBED_A7", "description": "MBED: InterruptIn",
+        "source_dir": join(TEST_DIR, "mbed", "interruptin"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+        "automated": True,
+        "peripherals": ["digital_loop"]
+    },
+    {
+        "id": "MBED_A8", "description": "MBED: Analog",
+        "source_dir": join(TEST_DIR, "mbed", "analog"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+        "automated": True,
+        "peripherals": ["analog_loop"],
+        "mcu": ["LPC1768", "LPC2368"]
+    },
+    {
+        "id": "MBED_A9", "description": "MBED: Serial Echo at 115200",
+        "source_dir": join(TEST_DIR, "mbed", "echo"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+        "automated": True,
+        "host_test": "echo"
+    },
+    {
+        "id": "MBED_A10", "description": "MBED: PortOut PortIn",
+        "source_dir": join(TEST_DIR, "mbed", "portout_portin"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+        "peripherals": ["port_loop"],
+        "supported": DEFAULT_SUPPORT,
+        "automated": True,
+    },
+    {
+        "id": "MBED_A11", "description": "MBED: PortInOut",
+        "source_dir": join(TEST_DIR, "mbed", "portinout"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+        "peripherals": ["port_loop"],
+        "supported": DEFAULT_SUPPORT,
+        "automated": True,
+    },
+    {
+        "id": "MBED_A12", "description": "MBED: SD File System",
+        "source_dir": join(TEST_DIR, "mbed", "sd"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB, SD_FS, FAT_FS],
+        "automated": True,
+        "peripherals": ["SD"]
+    },
+    {
+        "id": "MBED_A13", "description": "MBED: I2C MMA7660",
+        "source_dir": join(TEST_DIR, "mbed", "i2c_MMA7660"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB, join(PERIPHERALS, 'MMA7660')],
+        "automated": True,
+        "peripherals": ["MMA7660"]
+    },
+    
+    # Not automated MBED tests
+    {
+        "id": "MBED_1", "description": "MBED: I2C SRF08",
+        "source_dir": join(TEST_DIR, "mbed", "i2c_SRF08"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB, join(PERIPHERALS, 'SRF08')],
+        "peripherals": ["SRF08"]
+    },
+    {
+        "id": "MBED_2", "description": "MBED: stdio",
+        "source_dir": join(TEST_DIR, "mbed", "stdio"),
+        "dependencies": [MBED_LIBRARIES],
+    },
+    {
+        "id": "MBED_3", "description": "MBED: PortOut",
+        "source_dir": join(TEST_DIR, "mbed", "portout"),
+        "dependencies": [MBED_LIBRARIES],
+    },
+    {
+        "id": "MBED_4", "description": "MBED: Sleep",
+        "source_dir": join(TEST_DIR, "mbed", "sleep"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+        "supported": LPC11U24_SUPPORT,
+        "duration": 30
+    },
+    {
+        "id": "MBED_5", "description": "MBED: PWM",
+        "source_dir": join(TEST_DIR, "mbed", "pwm"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+    },
+    {
+        "id": "MBED_6", "description": "MBED: SW Reset",
+        "source_dir": join(TEST_DIR, "mbed", "reset"),
+        "dependencies": [MBED_LIBRARIES],
+        "duration": 15
+    },
+    {
+        "id": "MBED_7", "description": "MBED: stdio  benchmark",
+        "source_dir": join(TEST_DIR, "mbed", "stdio_benchmark"),
+        "dependencies": [MBED_LIBRARIES],
+        "duration": 40
+    },
+    {
+        "id": "MBED_8", "description": "MBED: SPI",
+        "source_dir": join(TEST_DIR, "mbed", "spi"),
+        "dependencies": [MBED_LIBRARIES],
+    },
+    {
+        "id": "MBED_9", "description": "MBED: Sleep Timeout",
+        "source_dir": join(TEST_DIR, "mbed", "sleep_timeout"),
+        "dependencies": [MBED_LIBRARIES],
+    },
+    {
+        "id": "MBED_10", "description": "MBED: Hello World",
+        "source_dir": join(TEST_DIR, "mbed", "hello"),
+        "dependencies": [MBED_LIBRARIES],
+    },
+    {
+        "id": "MBED_11", "description": "MBED: Ticker",
+        "source_dir": join(TEST_DIR, "mbed", "ticker"),
+        "dependencies": [MBED_LIBRARIES],
+    },
+    {
+        "id": "MBED_12", "description": "MBED: C++",
+        "source_dir": join(TEST_DIR, "mbed", "cpp"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+    },
+    {
+        "id": "MBED_13", "description": "MBED: Heap & Stack",
+        "source_dir": join(TEST_DIR, "mbed", "heap_and_stack"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+    },
+    {
+        "id": "MBED_14", "description": "MBED: Serial Interrupt",
+        "source_dir": join(TEST_DIR, "mbed", "serial_interrupt"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+    },
+    {
+        "id": "MBED_15", "description": "MBED: RPC",
+        "source_dir": join(TEST_DIR, "mbed", "rpc"),
+        "dependencies": [MBED_LIBRARIES, join(LIB_DIR, "mbed", "rpc")],
+        "host_test": "rpc",
+    },
+    {
+        "id": "MBED_16", "description": "MBED: RTC",
+        "source_dir": join(TEST_DIR, "mbed", "rtc"),
+        "dependencies": [MBED_LIBRARIES],
+    },
+    {
+        "id": "MBED_17", "description": "MBED: MODSERIAL",
+        "source_dir": join(TEST_DIR, "mbed", "modserial"),
+        "dependencies": [MBED_LIBRARIES, join(TEST_DIR, "MODSERIAL")],
+    },
+    {
+        "id": "MBED_18", "description": "MBED: Serial Interrupt 2",
+        "source_dir": join(TEST_DIR, "mbed", "serial_interrupt_2"),
+        "dependencies": [MBED_LIBRARIES],
+    },
+    {
+        "id": "MBED_19", "description": "MBED: Local FS Directory",
+        "source_dir": join(TEST_DIR, "mbed", "dir"),
+        "dependencies": [MBED_LIBRARIES],
+    },
+    {
+        "id": "MBED_20", "description": "MBED: SD FS Directory",
+        "source_dir": join(TEST_DIR, "mbed", "dir_sd"),
+        "dependencies": [MBED_LIBRARIES, SD_FS, FAT_FS],
+        "peripherals": ["SD"]
+    },
+    {
+        "id": "MBED_21", "description": "MBED: InterruptIn 2",
+        "source_dir": join(TEST_DIR, "mbed", "interruptin_2"),
+        "dependencies": [MBED_LIBRARIES],
+    },
+    {
+        "id": "MBED_22", "description": "MBED: freopen Stream",
+        "source_dir": join(TEST_DIR, "mbed", "freopen"),
+        "dependencies": [MBED_LIBRARIES],
+    },
+    {
+        "id": "MBED_23", "description": "MBED: Semihost",
+        "source_dir": join(TEST_DIR, "mbed", "semihost"),
+        "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB],
+    },
+    # CMSIS RTOS tests
+    {
+        "id": "CMSIS_RTOS_1", "description": "CMSIS RTOS: Basic",
+        "source_dir": join(TEST_DIR, "rtos", "cmsis", "basic"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+    },
+    {
+        "id": "CMSIS_RTOS_2", "description": "CMSIS RTOS: Mutex",
+        "source_dir": join(TEST_DIR, "rtos", "cmsis", "mutex"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+        "duration": 20
+    },
+    {
+        "id": "CMSIS_RTOS_3", "description": "CMSIS RTOS: Semaphore",
+        "source_dir": join(TEST_DIR, "rtos", "cmsis", "semaphore"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+        "duration": 20
+    },
+    {
+        "id": "CMSIS_RTOS_4", "description": "CMSIS RTOS: Signals",
+        "source_dir": join(TEST_DIR, "rtos", "cmsis", "signals"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+    },
+    {
+        "id": "CMSIS_RTOS_5", "description": "CMSIS RTOS: Queue",
+        "source_dir": join(TEST_DIR, "rtos", "cmsis", "queue"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+        "duration": 20
+    },
+    {
+        "id": "CMSIS_RTOS_6", "description": "CMSIS RTOS: Mail",
+        "source_dir": join(TEST_DIR, "rtos", "cmsis", "mail"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+        "duration": 20
+    },
+    {
+        "id": "CMSIS_RTOS_7", "description": "CMSIS RTOS: Timer",
+        "source_dir": join(TEST_DIR, "rtos", "cmsis", "timer"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+    },
+    {
+        "id": "CMSIS_RTOS_8", "description": "CMSIS RTOS: ISR",
+        "source_dir": join(TEST_DIR, "rtos", "cmsis", "isr"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+    },
+    
+    # mbed RTOS tests
+    {
+        "id": "RTOS_1", "description": "RTOS: Basic",
+        "source_dir": join(TEST_DIR, "rtos", "mbed", "basic"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+    },
+    {
+        "id": "RTOS_2", "description": "RTOS: Mutex",
+        "source_dir": join(TEST_DIR, "rtos", "mbed", "mutex"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+        "duration": 20
+    },
+    {
+        "id": "RTOS_3", "description": "RTOS: Semaphore",
+        "source_dir": join(TEST_DIR, "rtos", "mbed", "semaphore"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+    },
+    {
+        "id": "RTOS_4", "description": "RTOS: Signals",
+        "source_dir": join(TEST_DIR, "rtos", "mbed", "signals"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+    },
+    {
+        "id": "RTOS_5", "description": "RTOS: Queue",
+        "source_dir": join(TEST_DIR, "rtos", "mbed", "queue"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+    },
+    {
+        "id": "RTOS_6", "description": "RTOS: Mail",
+        "source_dir": join(TEST_DIR, "rtos", "mbed", "mail"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+    },
+    {
+        "id": "RTOS_7", "description": "RTOS: Timer",
+        "source_dir": join(TEST_DIR, "rtos", "mbed", "timer"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+    },
+    {
+        "id": "RTOS_8", "description": "RTOS: ISR",
+        "source_dir": join(TEST_DIR, "rtos", "mbed", "isr"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES],
+    },
+    {
+        "id": "RTOS_9", "description": "RTOS: File",
+        "source_dir": join(TEST_DIR, "rtos", "mbed", "file"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES, TEST_MBED_LIB, SD_FS, FAT_FS],
+    },
+    
+    # Networking Tests
+    {
+        "id": "NET_1", "description": "NET: TCP client hello world",
+        "source_dir": join(TEST_DIR, "net", "helloworld", "tcpclient"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES, ETH_LIBRARY],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    {
+        "id": "NET_2", "description": "NET: UDP client hello world",
+        "source_dir": join(TEST_DIR, "net", "helloworld", "udpclient"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES, ETH_LIBRARY],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    {
+        "id": "NET_3", "description": "NET: TCP echo server",
+        "source_dir": join(TEST_DIR, "net", "echo", "tcp_server"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES, ETH_LIBRARY],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    {
+        "id": "NET_4", "description": "NET: TCP echo client",
+        "source_dir": join(TEST_DIR, "net", "echo", "tcp_client"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES, ETH_LIBRARY],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    {
+        "id": "NET_5", "description": "NET: UDP echo server",
+        "source_dir": join(TEST_DIR, "net", "echo", "udp_server"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES, ETH_LIBRARY],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    {
+        "id": "NET_6", "description": "NET: UDP echo client",
+        "source_dir": join(TEST_DIR, "net", "echo", "udp_client"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES, ETH_LIBRARY],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    {
+        "id": "NET_7", "description": "NET: HTTP client",
+        "source_dir": join(TEST_DIR, "net", "protocols", "HTTPClient_HelloWorld"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES, ETH_LIBRARY],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    {
+        "id": "NET_8", "description": "NET: NTP client",
+        "source_dir": join(TEST_DIR, "net", "protocols", "NTPClient_HelloWorld"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES, ETH_LIBRARY],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    
+    # Vodafone tests
+    {
+        "id": "VF_1", "description": "Vodafone: HTTP client",
+        "source_dir": join(TEST_DIR, "net", "vodafone", "HTTPClient_HelloWorld"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES, VODAFONE_LIBRARY, TEST_MBED_LIB],
+        "supported": CORTEX_ARM_SUPPORT,
+        "automated": False,
+    },
+    {
+        "id": "VF_2", "description": "Vodafone: USSD & SMS Test",
+        "source_dir": join(TEST_DIR, "net", "vodafone", "USSD_SMS_HelloWorld"),
+        "dependencies": [MBED_LIBRARIES, RTOS_LIBRARIES, VODAFONE_LIBRARY, TEST_MBED_LIB],
+        "supported": CORTEX_ARM_SUPPORT,
+        "automated": False,
+    },
+    
+    # USB Tests
+    {
+        "id": "USB_1", "description": "USB: Mouse",
+        "source_dir": join(TEST_DIR, "usb", "device", "basic"),
+        "dependencies": [MBED_LIBRARIES, USB_LIBRARIES],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    {
+        "id": "USB_2", "description": "USB: Keyboard",
+        "source_dir": join(TEST_DIR, "usb", "device", "keyboard"),
+        "dependencies": [MBED_LIBRARIES, USB_LIBRARIES],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    {
+        "id": "USB_3", "description": "USB: Mouse_Keyboard",
+        "source_dir": join(TEST_DIR, "usb", "device", "keyboard"),
+        "dependencies": [MBED_LIBRARIES, USB_LIBRARIES],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    {
+        "id": "USB_4", "description": "USB: Serial Port",
+        "source_dir": join(TEST_DIR, "usb", "device", "serial"),
+        "dependencies": [MBED_LIBRARIES, USB_LIBRARIES],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    {
+        "id": "USB_5", "description": "USB: Generic HID",
+        "source_dir": join(TEST_DIR, "usb", "device", "raw_hid"),
+        "dependencies": [MBED_LIBRARIES, USB_LIBRARIES],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    {
+        "id": "USB_6", "description": "USB: MIDI",
+        "source_dir": join(TEST_DIR, "usb", "device", "midi"),
+        "dependencies": [MBED_LIBRARIES, USB_LIBRARIES],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    {
+        "id": "USB_7", "description": "USB: AUDIO",
+        "source_dir": join(TEST_DIR, "usb", "device", "audio"),
+        "dependencies": [MBED_LIBRARIES, USB_LIBRARIES],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    
+    # CMSIS DSP
+    {
+        "id": "CMSIS_DSP_1", "description": "CMSIS DSP: FIR",
+        "source_dir": join(TEST_DIR, "dsp", "cmsis", "fir_f32"),
+        "dependencies": [MBED_LIBRARIES, DSP_LIBRARIES],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    
+    # mbed DSP
+    {
+        "id": "DSP_1", "description": "DSP: FIR",
+        "source_dir": join(TEST_DIR, "dsp", "mbed", "fir_f32"),
+        "dependencies": [MBED_LIBRARIES, DSP_LIBRARIES],
+        "supported": CORTEX_ARM_SUPPORT,
+    },
+    
+    # Examples
+    {
+        "id": "EXAMPLE_1", "description": "/dev/null",
+        "source_dir": join(TEST_DIR, "mbed", "dev_null"),
+        "dependencies": [MBED_LIBRARIES],
+    },
+]
+
+class Test:
+    DEFAULTS = {
+        'dependencies': None,
+        'duration': 10,
+        'host_test': 'host_test',
+        'automated': False,
+        'peripherals': None,
+        'extra_files': None
+    }
+    def __init__(self, n):
+        self.n = n
+        self.__dict__.update(Test.DEFAULTS)
+        self.__dict__.update(TESTS[n])
+    
+    def is_supported(self, target, toolchain):
+        if not hasattr(self, 'supported'):
+            return True
+        return (target in self.supported) and (toolchain in self.supported[target])
+    
+    def get_description(self):
+        if hasattr(self, 'description'):
+            return self.description
+        else:
+            return self.id
+
+TEST_MAP = dict([(test['id'], Test(i)) for i, test in enumerate(TESTS)])
diff --git a/workspace_tools/toolchains.py b/workspace_tools/toolchains.py
new file mode 100644
index 0000000000..e0519bd4ef
--- /dev/null
+++ b/workspace_tools/toolchains.py
@@ -0,0 +1,726 @@
+from os import stat, walk, remove
+from os.path import splitext, exists, relpath, dirname, basename
+from shutil import copyfile
+from copy import copy
+from types import ListType
+import re
+
+from workspace_tools.settings import *
+from workspace_tools.utils import run_cmd, mkdir, rel_path, ToolException, split_path
+from workspace_tools.patch import patch
+
+"""
+We made the unfortunate choice of calling the ARM standard library toolchain "ARM"
+and the ARM microlib "uARM".
+
+Now we want to define toolchain types. For example:
+    ARM: [ARM_STD, ARM_MICRO]
+    GCC: [GCC_CR, GCC_CS, GCC_ARM]
+
+We are going to introduce the "GCC" type directory, but we cannot use the "ARM"
+type directory, because it would get confused with the legacy "ARM" toolchain.
+
+[TODO] Rename ARM toolchains:
+  * ARM  -> ARM_STD
+  * uARM -> ARM_MICRO
+"""
+TARGETS = set(['LPC1768', 'LPC11U24', 'LPC2368'])
+TOOLCHAINS = set(['ARM', 'uARM', 'GCC_ARM', 'GCC_CS', 'GCC_CR', 'GCC', 'IAR'])
+TYPES = set(['GCC'])
+
+# List of ignored directories (all the hidden directories are ignored by default)
+IGNORE_DIRECTORIES = set(['CVS'])
+
+
+def print_notify(event):
+    if event['type'] == 'info':
+        print event['message']
+    
+    elif event['type'] == 'cc':
+        event['severity'] = event['severity'].title()
+        event['file'] = basename(event['file'])
+        print '[%(severity)s] %(file)s@%(line)s: %(message)s' % event
+    
+    elif event['type'] == 'progress':
+        print '%s: %s' % (event['action'].title(), basename(event['file']))
+
+
+class Resources:
+    def __init__(self, base_path=None):
+        self.base_path = base_path
+        
+        self.inc_dirs = []
+        self.headers = []
+        
+        self.s_sources = []
+        self.c_sources = []
+        self.cpp_sources = []
+        
+        self.lib_dirs = set([])
+        self.objects = []
+        self.libraries = []
+        
+        # mbed special files
+        self.lib_builds = []
+        
+        self.linker_script = None
+    
+    def add(self, resources):
+        self.inc_dirs += resources.inc_dirs
+        self.headers += resources.headers
+        
+        self.s_sources += resources.s_sources
+        self.c_sources += resources.c_sources
+        self.cpp_sources += resources.cpp_sources
+        
+        self.lib_dirs |= resources.lib_dirs
+        self.objects += resources.objects
+        self.libraries += resources.libraries
+        
+        self.lib_builds += resources.lib_builds
+        
+        if resources.linker_script is not None:
+            self.linker_script = resources.linker_script
+    
+    def relative_to(self, base, dot=False):
+        for field in ['inc_dirs', 'headers', 's_sources', 'c_sources',
+                      'cpp_sources', 'lib_dirs', 'objects', 'libraries']:
+            v = [rel_path(f, base, dot) for f in getattr(self, field)]
+            setattr(self, field, v)
+        if self.linker_script is not None:
+            self.linker_script = rel_path(self.linker_script, base, dot)
+    
+    def win_to_unix(self):
+        for field in ['inc_dirs', 'headers', 's_sources', 'c_sources',
+                      'cpp_sources', 'lib_dirs', 'objects', 'libraries']:
+            v = [f.replace('\\', '/') for f in getattr(self, field)]
+            setattr(self, field, v)
+        if self.linker_script is not None:
+            self.linker_script = self.linker_script.replace('\\', '/')
+    
+    def __str__(self):
+        s  = []
+        
+        for (label, resources) in (
+                ('Include Directories', self.inc_dirs),
+                ('Headers', self.headers),
+                
+                ('Assembly sources', self.s_sources),
+                ('C sources', self.c_sources),
+                ('C++ sources', self.cpp_sources),
+                
+                ('Library directories', self.lib_dirs),
+                ('Objects', self.objects),
+                ('Libraries', self.libraries)
+            ):
+            if resources:
+                s.append('%s:\n  ' % label + '\n  '.join(resources))
+        
+        if self.linker_script:
+            s.append('Linker Script: ' + self.linker_script)
+        
+        return '\n'.join(s)
+
+
+class mbedToolchain:
+    VERBOSE = True
+    
+    CORTEX_SYMBOLS = {
+        "LPC1768" : ["__CORTEX_M3", "ARM_MATH_CM3"],
+        "LPC11U24": ["__CORTEX_M0", "ARM_MATH_CM0"],
+    }
+    
+    def __init__(self, target, notify=None):
+        self.target = target
+        
+        if notify is not None:
+            self.notify = notify
+        else:
+            self.notify = print_notify
+        
+        self.COMPILE_C_AS_CPP = False
+        
+        bin_tuple = (target, self.NAME)
+        self.obj_path = join(*bin_tuple)
+        self.IGNORE_DIR = (IGNORE_DIRECTORIES | TARGETS | TOOLCHAINS | TYPES) - set(bin_tuple)
+        
+        # Target and Toolchain symbols
+        self.symbols = [
+            "TARGET_" + target, "TOOLCHAIN_" + self.NAME,
+        ]
+        
+        # Cortex CPU symbols
+        if target in mbedToolchain.CORTEX_SYMBOLS:
+            self.symbols.extend(mbedToolchain.CORTEX_SYMBOLS[target])
+        
+        self.IGNORE_FILES = []
+        
+        self.build_all = False
+        self.mbed_libs = False
+    
+    def need_update(self, target, dependencies):
+        if self.build_all:
+            return True
+        
+        if not exists(target):
+            return True
+        
+        target_mod_time = stat(target).st_mtime
+        
+        for d in dependencies:
+            # Some objects are not provided with full path and here we do not have
+            # information about the library paths. Safe option: assume an update
+            if not exists(d):
+                return True
+            
+            if stat(d).st_mtime >= target_mod_time:
+                return True
+        
+        return False
+    
+    def set_options(self, options):
+        # Generic options
+        if 'symbols' in options:
+            self.symbols.extend(options['symbols'])
+        
+        # Toolchain specific options
+        if self.NAME in options:
+            to = options[self.NAME]
+            if 'source_dir' in to:
+                self.IGNORE_DIR -= set(to['source_dir'])
+            
+            if 'remove_options' in to:
+                for option in to['remove_options']:
+                    self.remove_option(option)
+        
+        # Target specific options
+        if self.target in options:
+            to = options[self.target]
+            if 'ignore_files' in to:
+                self.IGNORE_FILES.extend(to['ignore_files'])
+    
+    def scan_resources(self, path):
+        resources = Resources(path)
+        """ os.walk(top[, topdown=True[, onerror=None[, followlinks=False]]])
+        When topdown is True, the caller can modify the dirnames list in-place
+        (perhaps using del or slice assignment), and walk() will only recurse into
+        the subdirectories whose names remain in dirnames; this can be used to prune
+        the search, impose a specific order of visiting, or even to inform walk()
+        about directories the caller creates or renames before it resumes walk()
+        again. Modifying dirnames when topdown is False is ineffective, because in
+        bottom-up mode the directories in dirnames are generated before dirpath
+        itself is generated.
+        """
+        for root, dirs, files in walk(path):
+            # Remove ignored directories
+            for d in copy(dirs):
+                if d.startswith('.') or d in self.IGNORE_DIR:
+                    dirs.remove(d)
+            
+            # Add root to include paths
+            resources.inc_dirs.append(root)
+            
+            for file in files:
+                if file in self.IGNORE_FILES: continue
+                
+                file_path = join(root, file)
+                _, ext = splitext(file)
+                ext = ext.lower()
+                
+                if   ext == '.s':
+                    resources.s_sources.append(file_path)
+                
+                elif ext == '.c':
+                    resources.c_sources.append(file_path)
+                
+                elif ext == '.cpp':
+                    resources.cpp_sources.append(file_path)
+                
+                elif ext == '.h':
+                    resources.headers.append(file_path)
+                    
+                    # Check if there are the mbed libraries for this target/toolchain
+                    if file == "mbed.h":
+                        if self.NAME == 'ARM': # Legacy default toolchain
+                            self.mbed_libs = True
+                        else:
+                            self.mbed_libs = exists(join(root, self.target, self.NAME))
+                
+                elif ext == '.o':
+                    resources.objects.append(file_path)
+                
+                elif ext ==  self.LIBRARY_EXT:
+                    resources.libraries.append(file_path)
+                    resources.lib_dirs.add(root)
+                
+                elif ext == self.LINKER_EXT:
+                    resources.linker_script = file_path
+                
+                elif ext == '.bld':
+                    resources.lib_builds.append(file_path)
+        
+        return resources
+    
+    def copy_files(self, src_path, trg_path, files_paths):
+        # Handle a single file
+        if type(files_paths) != ListType: files_paths = [files_paths]
+        
+        for source in files_paths:
+            
+            relative_path = relpath(source, src_path)
+            target = join(trg_path, relative_path)
+            
+            if (target != source) and (self.need_update(target, [source])):
+                self.progress("copy", relative_path)
+                mkdir(dirname(target))
+                copyfile(source, target)
+    
+    def compile_sources(self, resources, build_path, inc_dirs=None):
+        objects = []
+        inc_paths = resources.inc_dirs
+        if inc_dirs is not None:
+            inc_paths.extend(inc_dirs)
+        
+        for source in resources.s_sources:
+            _, name, _ = split_path(source)
+            object = join(build_path, name + '.o')
+            if self.need_update(object, [source]):
+                self.progress("assemble", source)
+                self.assemble(source, object)
+            objects.append(object)
+        
+        # The dependency checking for C/C++ is delegated to the specific compiler
+        for source in resources.c_sources:
+            _, name, _ = split_path(source)
+            object = join(build_path, name + '.o')
+            if self.COMPILE_C_AS_CPP:
+                self.compile_cpp(source, object, inc_paths)
+            else:
+                self.compile_c(source, object, inc_paths)
+            objects.append(object)
+        
+        for source in resources.cpp_sources:
+            _, name, _ = split_path(source)
+            object = join(build_path, name + '.o')
+            self.compile_cpp(source, object, inc_paths)
+            objects.append(object)
+        
+        return objects
+    
+    def compile(self, cc, source, object, includes):
+        # Check dependencies
+        base, _ = splitext(object)
+        dep_path = base + '.d'
+        if (not exists(dep_path) or
+            self.need_update(object, self.parse_dependencies(dep_path))):
+            self.progress("compile", source)
+            
+            # Compile
+            command = cc + ['-D%s' % s for s in self.symbols] + ["-I%s" % i for i in includes] + ["-o", object, source]
+            if hasattr(self, "get_dep_opt"):
+                command.extend(self.get_dep_opt(dep_path))
+            
+            if hasattr(self, "cc_extra"):
+                command.extend(self.cc_extra(base))
+            
+            self.debug(command)
+            _, stderr, rc = run_cmd(command, dirname(object))
+            
+            # Parse output for Warnings and Errors
+            self.parse_output(stderr)
+            
+            # Check return code
+            if rc != 0:
+                raise ToolException(stderr)
+    
+    def compile_c(self, source, object, includes):
+        self.compile(self.cc, source, object, includes)
+    
+    def compile_cpp(self, source, object, includes):
+        self.compile(self.cppc, source, object, includes)
+    
+    def build_library(self, objects, dir, name):
+        lib = self.STD_LIB_NAME % name
+        fout = join(dir, lib)
+        if self.need_update(fout, objects):
+            self.info("Library: %s" % lib)
+            self.archive(objects, fout)
+    
+    def build_program(self, r, tmp_path, name):
+        objects = self.compile_sources(r, tmp_path) + r.objects
+        
+        elf = join(tmp_path, name + '.elf')
+        bin = join(tmp_path, name + '.bin')
+        
+        if self.need_update(elf, objects + r.libraries + [r.linker_script]):
+            self.progress("link", name)
+            self.link(elf, objects, r.libraries, r.lib_dirs, r.linker_script)
+        
+        if self.need_update(bin, [elf]):
+            self.debug("elf to bin: %s" % (name + '.bin'))
+            self.progress("elf2bin", name)
+            self.binary(elf, bin)
+            
+            if self.target in ['LPC1768', 'LPC11U24', 'LPC2368']:
+                self.debug("patching bin: %s" % (name + '.bin'))
+            patch(bin)
+            
+            self.var("compile_succeded", True)
+            self.var("binary", name+'.bin')
+        
+        return bin
+    
+    def default_cmd(self, command):
+        self.debug(command)
+        stdout, stderr, rc = run_cmd(command)
+        self.debug(stdout)
+        if rc != 0:
+            self.tool_error(stderr)
+            raise ToolException(stderr)
+    
+    ### NOTIFICATIONS ###
+    def info(self, message):
+        self.notify({'type': 'info', 'message': message})
+    
+    def debug(self, message):
+        if self.VERBOSE:
+            if type(message) is ListType:
+                message = ' '.join(message)
+            self.info(message)
+    
+    def cc_info(self, severity, file, line, message):
+        self.notify({'type': 'cc', 'severity': severity, 'file': file, 'line': line, 'message': message})
+    
+    def progress(self, action, file):
+        self.notify({'type': 'progress', 'action': action, 'file': file})
+   
+    def tool_error(self, message):
+        self.notify({'type': 'tool_error', 'message': message})
+    
+    def var(self, key, value):
+        self.notify({'type': 'var', 'key': key, 'val': value})
+
+
+class ARM(mbedToolchain):
+    LINKER_EXT = '.sct'
+    LIBRARY_EXT = '.ar'
+    
+    CPU = {
+        "LPC1768" : "Cortex-M3",
+        "LPC2368" : "ARM7TDMI-S",
+        "LPC11U24": "Cortex-M0",
+    }
+    
+    STD_LIB_NAME = "%s.ar"
+    DIAGNOSTIC_PATTERN  = re.compile('"(?P[^"]+)", line (?P\d+): (?PWarning|Error): (?P.+)')
+    DEP_PATTERN = re.compile('\S+:\s(?P.+)\n')
+    
+    def __init__(self, target, notify):
+        mbedToolchain.__init__(self, target, notify)
+        
+        # self.IGNORE_DIR.remove('ARM')
+        
+        common = [join(ARM_BIN, "armcc"), "-c",
+            "--cpu=%s" % ARM.CPU[target], "--gnu",
+            "-Ospace", "--split_sections", "--apcs=interwork",
+            "--brief_diagnostics"
+        ]
+        common_c = ["--md", "--no_depend_system_headers"]
+        
+        self.asm = common
+        self.cc = common + common_c + ["--c99"]
+        self.cppc = common + common_c + ["--cpp", "--no_rtti"]
+        
+        self.ld = [join(ARM_BIN, "armlink")]
+        self.sys_libs = []
+        
+        self.ar = join(ARM_BIN, "armar")
+        self.elf2bin = join(ARM_BIN, "fromelf")
+    
+    def remove_option(self, option):
+        for tool in [self.asm, self.cc, self.cppc]:
+            if option in tool:
+                tool.remove(option)
+    
+    def assemble(self, source, object):
+        self.default_cmd(self.cc + ["-o", object, source])
+    
+    def parse_dependencies(self, dep_path):
+        dependencies = []
+        for line in open(dep_path).readlines():
+            match = ARM.DEP_PATTERN.match(line)
+            if match is not None:
+                dependencies.append(match.group('file'))
+        return dependencies
+    
+    def parse_output(self, output):
+        for line in output.splitlines():
+            match = ARM.DIAGNOSTIC_PATTERN.match(line)
+            if match is not None:
+                self.cc_info(
+                    match.group('severity').lower(),
+                    match.group('file'),
+                    match.group('line'),
+                    match.group('message')
+                )
+    
+    def archive(self, objects, lib_path):
+        self.default_cmd([self.ar, '-r', lib_path] + objects)
+    
+    def link(self, output, objects, libraries, lib_dirs, mem_map):
+        args = ["-o", output, "--userlibpath", ",".join(lib_dirs), "--info=totals", "--list=.link_totals.txt"]
+        if mem_map:
+            args.extend(["--scatter", mem_map])
+        
+        self.default_cmd(self.ld + args + objects + libraries + self.sys_libs)
+    
+    def binary(self, elf, bin):
+        self.default_cmd([self.elf2bin, '--bin', '-o', bin, elf])
+
+
+class ARM_STD(ARM):
+    NAME = 'ARM' # In the future we want to rename it ARM_STD
+    
+    def __init__(self, target, notify=None):
+        ARM.__init__(self, target, notify)
+
+
+class ARM_MICRO(ARM):
+    NAME = 'uARM' # In the future we want to rename it ARM_MICRO
+    
+    def __init__(self, target, notify=None):
+        ARM.__init__(self, target, notify)
+        
+        # Compiler
+        self.cc   += ["--library_type=microlib", "-D__MICROLIB"]
+        self.cppc += ["--library_type=microlib", "-D__MICROLIB"]
+        
+        # Linker
+        self.ld   += ["--library_type=microlib", "--noscanlib"]
+        
+        # System Libraries
+        self.sys_libs.extend([join(MY_ARM_CLIB, lib+".l") for lib in ["mc_p", "mf_p", "m_ps"]])
+        
+        if target == "LPC1768":
+            self.sys_libs.extend([join(ARM_CPPLIB, lib+".l") for lib in ["cpp_ws", "cpprt_w"]])
+        
+        elif target in ["LPC11U24"]:
+            self.sys_libs.extend([join(ARM_CPPLIB, lib+".l") for lib in ["cpp_ps", "cpprt_p"]])
+
+
+class GCC(mbedToolchain):
+    LINKER_EXT = '.ld'
+    LIBRARY_EXT = '.a'
+    
+    CPU = {
+        "LPC1768": "cortex-m3",
+        "LPC2368": "arm7tdmi-s",
+        "LPC11U24": "cortex-m0",
+    }
+    
+    STD_LIB_NAME = "lib%s.a"
+    CIRCULAR_DEPENDENCIES = True
+    DIAGNOSTIC_PATTERN = re.compile('((?P\d+):)(\d+:)? (?Pwarning|error): (?P.+)')
+    
+    def __init__(self, target, notify, tool_path):
+        mbedToolchain.__init__(self, target, notify)
+        self.IGNORE_DIR.remove('GCC')
+        cpu = ["-mcpu=%s" % GCC_CS.CPU[target]]
+        if target in ["LPC1768", "LPC11U24"]:
+            cpu.append("-mthumb")
+        
+        # Note: We are using "-O2" instead of "-Os" to avoid this known GCC bug:
+        # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46762
+        common_flags = ["-c", "-O2", "-Wall",
+            "-fmessage-length=0", "-fno-exceptions", "-fno-builtin",
+            "-ffunction-sections", "-fdata-sections",
+            "-MMD", "-save-temps"
+            ] + cpu
+        
+        self.asm = [join(tool_path, "arm-none-eabi-as")] + cpu
+        
+        self.cc  = [join(tool_path, "arm-none-eabi-gcc"), "-std=gnu99"] + common_flags
+        self.cppc =[join(tool_path, "arm-none-eabi-g++"), "-std=gnu++98"] + common_flags
+        
+        self.ld = [join(tool_path, "arm-none-eabi-gcc"), "-Wl,--gc-sections"] + cpu
+        self.sys_libs = ["stdc++", "supc++", "m", "c", "gcc"]
+        
+        self.ar = join(tool_path, "arm-none-eabi-ar")
+        self.elf2bin = join(tool_path, "arm-none-eabi-objcopy")
+    
+    def assemble(self, source, object):
+        self.default_cmd(self.asm + ["-o", object, source])
+    
+    def parse_dependencies(self, dep_path):
+        dependencies = []
+        for line in open(dep_path).readlines()[1:]:
+            file = line.replace('\\\n', '').strip()
+            if file:
+                dependencies.append(file)
+        return dependencies
+    
+    def parse_output(self, output):
+        # The warning/error notification is multiline
+        WHERE, WHAT = 0, 1
+        state, file, message = WHERE, None, None
+        for line in output.splitlines():
+            # Each line should start with the file information: "filepath: ..."
+            # i should point past the file path                          ^
+            # avoid the first column in Windows (C:\)
+            i = line.find(':', 2)
+            if i == -1: continue
+            
+            if state == WHERE:
+                file = line[:i]
+                message = line[i+1:].strip() + ' '
+                state = WHAT
+            
+            elif state == WHAT:
+                match = GCC.DIAGNOSTIC_PATTERN.match(line[i+1:])
+                if match is None:
+                    state = WHERE
+                    continue
+                
+                self.cc_info(
+                    match.group('severity'),
+                    file, match.group('line'),
+                    message + match.group('message')
+                )
+    
+    def archive(self, objects, lib_path):
+        self.default_cmd([self.ar, "rcs", lib_path] + objects)
+    
+    def link(self, output, objects, libraries, lib_dirs, mem_map):
+        libs = []
+        for l in libraries:
+            name, _ = splitext(basename(l))
+            libs.append("-l%s" % name[3:])
+        libs.extend(["-l%s" % l for l in self.sys_libs])
+        
+        # NOTE: There is a circular dependency between the mbed library and the clib
+        # We could define a set of week symbols to satisfy the clib dependencies in "sys.o",
+        # but if an application uses only clib symbols and not mbed symbols, then the final
+        # image is not correctly retargeted 
+        if self.CIRCULAR_DEPENDENCIES:
+            libs.extend(libs)
+        
+        self.default_cmd(self.ld + ["-T%s" % mem_map, "-o", output] +
+            objects + ["-L%s" % L for L in lib_dirs] + libs)
+    
+    def binary(self, elf, bin):
+        self.default_cmd([self.elf2bin, "-O", "binary", elf, bin])
+
+
+class GCC_ARM(GCC):
+    NAME = 'GCC_ARM'
+    
+    def __init__(self, target, notify=None):
+        GCC.__init__(self, target, notify, GCC_ARM_PATH)
+        
+        # Use latest gcc nanolib
+        self.ld.append("--specs=nano.specs")
+        if target in ["LPC1768"]:
+            self.ld.extend(["-u", "_printf_float", "-u", "_scanf_float"])
+        
+        self.sys_libs.append("nosys")
+
+
+class GCC_CR(GCC):
+    NAME = 'GCC_CR'
+    
+    def __init__(self, target, notify=None):
+        GCC.__init__(self, target, notify, GCC_CR_PATH)
+        
+        additional_compiler_flags = [
+            "-D__NEWLIB__", "-D__CODE_RED", "-D__USE_CMSIS", "-DCPP_USE_HEAP",
+        ]
+        self.cc += additional_compiler_flags
+        self.cppc += additional_compiler_flags
+        
+        self.ld += ["-nostdlib"]
+
+
+class GCC_CS(GCC):
+    NAME = 'GCC_CS'
+    
+    def __init__(self, target, notify=None):
+        GCC.__init__(self, target, notify, GCC_CS_PATH)
+
+
+class IAR(mbedToolchain):
+    NAME = 'IAR'
+    LIBRARY_EXT = '.a'
+    LINKER_EXT = '.icf'
+    STD_LIB_NAME = "%s.a"
+    CPU = {
+        "LPC1768" : "Cortex-M3",
+    }
+    DIAGNOSTIC_PATTERN = re.compile('"(?P[^"]+)",(?P[\d]+)\s+(?PWarning|Error)(?P.+)')
+    
+    def __init__(self, target, notify=None):
+        mbedToolchain.__init__(self, target, notify)
+        
+        c_flags = [
+            "-Oh",
+            "--cpu=%s" % IAR.CPU[target], "--thumb",
+            "--dlib_config", join(IAR_PATH, "inc", "c", "DLib_Config_Full.h"),
+            "-e", # Enable IAR language extension
+            "--no_wrap_diagnostics",
+            # Pa050: No need to be notified about "non-native end of line sequence"
+            # Pa084: Pointless integer comparison -> checks for the values of an enum, but we use values outside of the enum to notify errors (ie: NC).
+            # Pa093: Implicit conversion from float to integer (ie: wait_ms(85.4) -> wait_ms(85))
+            # Pa082: Operation involving two values from two registers (ie: (float)(*obj->MR)/(float)(LPC_PWM1->MR0))
+            "--diag_suppress=Pa050,Pa084,Pa093,Pa082",
+        ]
+        
+        IAR_BIN = join(IAR_PATH, "bin")
+        self.asm  = [join(IAR_BIN, "iasmarm")] + ["--cpu", IAR.CPU[target]]
+        self.cc   = [join(IAR_BIN, "iccarm")] + c_flags
+        self.cppc = [join(IAR_BIN, "iccarm"), "--c++",  "--no_rtti", "--no_exceptions"] + c_flags
+        
+        self.ld   = join(IAR_BIN, "ilinkarm")
+        self.ar = join(IAR_BIN, "iarchive")
+        self.elf2bin = join(IAR_BIN, "ielftool")
+    
+    def parse_output(self, output):
+        for line in output.splitlines():
+            match = IAR.DIAGNOSTIC_PATTERN.match(line)
+            if match is not None:
+                self.cc_info(
+                    match.group('severity').lower(),
+                    match.group('file'),
+                    match.group('line'),
+                    match.group('message'),
+                )
+    
+    def get_dep_opt(self, dep_path):
+        return ["--dependencies", dep_path]
+    
+    def cc_extra(self, base):
+        return ["-l", base + '.s']
+    
+    def parse_dependencies(self, dep_path):
+        return [path.strip() for path in open(dep_path).readlines()
+                if (path and not path.isspace())]
+    
+    def assemble(self, source, object):
+        self.default_cmd(self.asm + ["-o", object, source])
+    
+    def archive(self, objects, lib_path):
+        if exists(lib_path):
+            remove(lib_path)
+        self.default_cmd([self.ar, lib_path] + objects)
+    
+    def link(self, output, objects, libraries, lib_dirs, mem_map):
+        args = [self.ld, "-o", output, "--config", mem_map]
+        self.default_cmd(args + objects + libraries)
+    
+    def binary(self, elf, bin):
+        self.default_cmd([self.elf2bin, '--bin', elf, bin])
+
+
+TOOLCHAIN_CLASSES = {
+    'ARM': ARM_STD, 'uARM': ARM_MICRO,
+    'GCC_ARM': GCC_ARM, 'GCC_CS': GCC_CS, 'GCC_CR': GCC_CR,
+    'IAR': IAR
+}
diff --git a/workspace_tools/utils.py b/workspace_tools/utils.py
new file mode 100644
index 0000000000..a184c5ee80
--- /dev/null
+++ b/workspace_tools/utils.py
@@ -0,0 +1,69 @@
+import sys
+from subprocess import Popen, PIPE, call
+from os import listdir, remove, makedirs
+from os.path import isdir, join, exists, split, relpath, splitext
+from shutil import copyfile
+
+
+def cmd(l, check=True, verbose=False, shell=False, cwd=None):
+    text = l if shell else ' '.join(l)
+    if verbose: print text
+    
+    rc = call(l, shell=shell, cwd=cwd)
+    
+    if check and rc != 0:
+        raise Exception('ERROR %d: "%s"' % (rc, text))
+
+
+def run_cmd(command, wd=None):
+    p = Popen(command, stdout=PIPE, stderr=PIPE, cwd=wd)
+    stdout, stderr = p.communicate()
+    return stdout, stderr, p.returncode
+
+
+def copy_file(src, dst):
+    """
+    Implement the behaviour of "shutil.copy(src, dst)" without copying the
+    permissions (this was causing errors with directories mounted with samba)
+    """
+    if isdir(dst):
+        _, file = split(src)
+        dst = join(dst, file)
+    copyfile(src, dst)
+
+
+def delete_dir_files(dir):
+    if not exists(dir):
+        return
+    
+    for f in listdir(dir):
+        file = join(dir, f)
+        if not isdir(file):
+            remove(file)
+
+
+def mkdir(path):
+    if not exists(path):
+        makedirs(path)
+
+
+def error(msg):
+    print msg
+    sys.exit(1)
+
+
+def rel_path(path, base, dot=False):
+    p = relpath(path, base)
+    if dot and not p.startswith('.'):
+        p = './' + p
+    return p
+
+
+class ToolException(Exception):
+    pass
+
+
+def split_path(path):
+    base, file = split(path)
+    name, ext = splitext(file)
+    return base, name, ext