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Add KL25Z tests and USBDevice implementation

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Emilio Monti 2013-02-26 15:37:59 +00:00
parent a5e0438a97
commit faa724220f
8 changed files with 1153 additions and 1 deletions
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93
libraries/USBDevice/USBDevice/USBEndpoints_KL25Z.h Normal file
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/* Copyright (c) 2010-2011 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#define NUMBER_OF_LOGICAL_ENDPOINTS (16)
#define NUMBER_OF_PHYSICAL_ENDPOINTS (NUMBER_OF_LOGICAL_ENDPOINTS * 2)
/* Define physical endpoint numbers */
/* Endpoint No. */
/* ---------------- */
#define EP0OUT (0)
#define EP0IN (1)
#define EP1OUT (2)
#define EP1IN (3)
#define EP2OUT (4)
#define EP2IN (5)
#define EP3OUT (6)
#define EP3IN (7)
#define EP4OUT (8)
#define EP4IN (9)
#define EP5OUT (10)
#define EP5IN (11)
#define EP6OUT (12)
#define EP6IN (13)
#define EP7OUT (14)
#define EP7IN (15)
#define EP8OUT (16)
#define EP8IN (17)
#define EP9OUT (18)
#define EP9IN (19)
#define EP10OUT (20)
#define EP10IN (21)
#define EP11OUT (22)
#define EP11IN (23)
#define EP12OUT (24)
#define EP12IN (25)
#define EP13OUT (26)
#define EP13IN (27)
#define EP14OUT (28)
#define EP14IN (29)
#define EP15OUT (30)
#define EP15IN (31)
/* Maximum Packet sizes */
#define MAX_PACKET_SIZE_EP0 (64)
#define MAX_PACKET_SIZE_EP1 (64)
#define MAX_PACKET_SIZE_EP2 (64)
#define MAX_PACKET_SIZE_EP3 (1023)
#define MAX_PACKET_SIZE_EP4 (64)
#define MAX_PACKET_SIZE_EP5 (64)
#define MAX_PACKET_SIZE_EP6 (64)
#define MAX_PACKET_SIZE_EP7 (64)
#define MAX_PACKET_SIZE_EP8 (64)
#define MAX_PACKET_SIZE_EP9 (64)
#define MAX_PACKET_SIZE_EP10 (64)
#define MAX_PACKET_SIZE_EP11 (64)
#define MAX_PACKET_SIZE_EP12 (64)
#define MAX_PACKET_SIZE_EP13 (64)
#define MAX_PACKET_SIZE_EP14 (64)
#define MAX_PACKET_SIZE_EP15 (64)
/* Generic endpoints - intended to be portable accross devices */
/* and be suitable for simple USB devices. */
/* Bulk endpoints */
#define EPBULK_OUT (EP2OUT)
#define EPBULK_IN (EP2IN)
/* Interrupt endpoints */
#define EPINT_OUT (EP1OUT)
#define EPINT_IN (EP1IN)
/* Isochronous endpoints */
#define EPISO_OUT (EP3OUT)
#define EPISO_IN (EP3IN)
#define MAX_PACKET_SIZE_EPBULK (MAX_PACKET_SIZE_EP2)
#define MAX_PACKET_SIZE_EPINT (MAX_PACKET_SIZE_EP1)
#define MAX_PACKET_SIZE_EPISO (MAX_PACKET_SIZE_EP3)

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libraries/USBDevice/USBDevice/USBHAL_KL25Z.cpp Normal file
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/* Copyright (c) 2010-2011 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#if defined(TARGET_KL25Z)
#include "USBHAL.h"
USBHAL * USBHAL::instance;
static volatile int epComplete = 0;
// Convert physical endpoint number to register bit
#define EP(endpoint) (1<<(endpoint))
// Convert physical to logical
#define PHY_TO_LOG(endpoint) ((endpoint)>>1)
// Get endpoint direction
#define IN_EP(endpoint) ((endpoint) & 1U ? true : false)
#define OUT_EP(endpoint) ((endpoint) & 1U ? false : true)
#define BD_OWN_MASK (1<<7)
#define BD_DATA01_MASK (1<<6)
#define BD_KEEP_MASK (1<<5)
#define BD_NINC_MASK (1<<4)
#define BD_DTS_MASK (1<<3)
#define BD_STALL_MASK (1<<2)
#define TX 1
#define RX 0
#define ODD 0
#define EVEN 1
// this macro waits a physical endpoint number
#define EP_BDT_IDX(ep, dir, odd) (((ep * 4) + (2 * dir) + (1 * odd)))
#define SETUP_TOKEN 0x0D
#define IN_TOKEN 0x09
#define OUT_TOKEN 0x01
#define TOK_PID(idx) ((bdt[idx].info >> 2) & 0x0F)
// for each endpt: 8 bytes
typedef struct BDT {
uint8_t info; // BD[0:7]
uint8_t dummy; // RSVD: BD[8:15]
uint16_t byte_count; // BD[16:32]
uint32_t address; // Addr
} BDT;
// there are:
// * 16 bidirectionnal endpt -> 32 physical endpt
// * as there are ODD and EVEN buffer -> 32*2 bdt
__attribute__((__aligned__(512))) BDT bdt[NUMBER_OF_PHYSICAL_ENDPOINTS * 2];
uint8_t endpoint_buffer[(NUMBER_OF_PHYSICAL_ENDPOINTS - 2) * 2][64];
uint8_t endpoint_buffer_iso[2*2][1023];
static uint8_t set_addr = 0;
static uint8_t addr = 0;
static uint32_t Data1 = 0x55555555;
static uint32_t frameNumber() {
return((USB0->FRMNUML | (USB0->FRMNUMH << 8) & 0x07FF));
}
uint32_t USBHAL::endpointReadcore(uint8_t endpoint, uint8_t *buffer) {
return 0;
}
USBHAL::USBHAL(void) {
// Disable IRQ
NVIC_DisableIRQ(USB0_IRQn);
// fill in callback array
epCallback[0] = &USBHAL::EP1_OUT_callback;
epCallback[1] = &USBHAL::EP1_IN_callback;
epCallback[2] = &USBHAL::EP2_OUT_callback;
epCallback[3] = &USBHAL::EP2_IN_callback;
epCallback[4] = &USBHAL::EP3_OUT_callback;
epCallback[5] = &USBHAL::EP3_IN_callback;
epCallback[6] = &USBHAL::EP4_OUT_callback;
epCallback[7] = &USBHAL::EP4_IN_callback;
epCallback[8] = &USBHAL::EP5_OUT_callback;
epCallback[9] = &USBHAL::EP5_IN_callback;
epCallback[10] = &USBHAL::EP6_OUT_callback;
epCallback[11] = &USBHAL::EP6_IN_callback;
epCallback[12] = &USBHAL::EP7_OUT_callback;
epCallback[13] = &USBHAL::EP7_IN_callback;
epCallback[14] = &USBHAL::EP8_OUT_callback;
epCallback[15] = &USBHAL::EP8_IN_callback;
epCallback[16] = &USBHAL::EP9_OUT_callback;
epCallback[17] = &USBHAL::EP9_IN_callback;
epCallback[18] = &USBHAL::EP10_OUT_callback;
epCallback[19] = &USBHAL::EP10_IN_callback;
epCallback[20] = &USBHAL::EP11_OUT_callback;
epCallback[21] = &USBHAL::EP11_IN_callback;
epCallback[22] = &USBHAL::EP12_OUT_callback;
epCallback[23] = &USBHAL::EP12_IN_callback;
epCallback[24] = &USBHAL::EP13_OUT_callback;
epCallback[25] = &USBHAL::EP13_IN_callback;
epCallback[26] = &USBHAL::EP14_OUT_callback;
epCallback[27] = &USBHAL::EP14_IN_callback;
epCallback[28] = &USBHAL::EP15_OUT_callback;
epCallback[29] = &USBHAL::EP15_IN_callback;
// choose usb src as PLL
SIM->SOPT2 |= (SIM_SOPT2_USBSRC_MASK | SIM_SOPT2_PLLFLLSEL_MASK);
// enable OTG clock
SIM->SCGC4 |= SIM_SCGC4_USBOTG_MASK;
// Attach IRQ
instance = this;
NVIC_SetVector(USB0_IRQn, (uint32_t)&_usbisr);
NVIC_EnableIRQ(USB0_IRQn);
// USB Module Configuration
// Reset USB Module
USB0->USBTRC0 |= USB_USBTRC0_USBRESET_MASK;
while(USB0->USBTRC0 & USB_USBTRC0_USBRESET_MASK);
// Set BDT Base Register
USB0->BDTPAGE1=(uint8_t)((uint32_t)bdt>>8);
USB0->BDTPAGE2=(uint8_t)((uint32_t)bdt>>16);
USB0->BDTPAGE3=(uint8_t)((uint32_t)bdt>>24);
// Clear interrupt flag
USB0->ISTAT = 0xff;
// USB Interrupt Enablers
USB0->INTEN |= USB_INTEN_TOKDNEEN_MASK |
USB_INTEN_SOFTOKEN_MASK |
USB_INTEN_ERROREN_MASK |
USB_INTEN_USBRSTEN_MASK;
// Disable weak pull downs
USB0->USBCTRL &= ~(USB_USBCTRL_PDE_MASK | USB_USBCTRL_SUSP_MASK);
USB0->USBTRC0 |= 0x40;
}
USBHAL::~USBHAL(void) { }
void USBHAL::connect(void) {
// enable USB
USB0->CTL |= USB_CTL_USBENSOFEN_MASK;
// Pull up enable
USB0->CONTROL |= USB_CONTROL_DPPULLUPNONOTG_MASK;
}
void USBHAL::disconnect(void) {
// disable USB
USB0->CTL &= ~USB_CTL_USBENSOFEN_MASK;
// Pull up disable
USB0->CONTROL &= ~USB_CONTROL_DPPULLUPNONOTG_MASK;
}
void USBHAL::configureDevice(void) {
// not needed
}
void USBHAL::unconfigureDevice(void) {
// not needed
}
void USBHAL::setAddress(uint8_t address) {
// we don't set the address now otherwise the usb controller does not ack
// we set a flag instead
// see usbisr when an IN token is received
set_addr = 1;
addr = address;
}
bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t flags) {
uint32_t handshake_flag = 0;
uint8_t * buf;
if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) {
return false;
}
uint32_t log_endpoint = PHY_TO_LOG(endpoint);
if ((flags & ISOCHRONOUS) == 0) {
handshake_flag = USB_ENDPT_EPHSHK_MASK;
if (IN_EP(endpoint))
buf = &endpoint_buffer[EP_BDT_IDX(log_endpoint, TX, ODD )][0];
else
buf = &endpoint_buffer[EP_BDT_IDX(log_endpoint, RX, ODD )][0];
} else {
if (IN_EP(endpoint))
buf = &endpoint_buffer_iso[2][0];
else
buf = &endpoint_buffer_iso[0][0];
}
// IN endpt -> device to host (TX)
if (IN_EP(endpoint)) {
USB0->ENDPOINT[log_endpoint].ENDPT |= handshake_flag | // ep handshaking (not if iso endpoint)
USB_ENDPT_EPTXEN_MASK; // en TX (IN) tran
bdt[EP_BDT_IDX(log_endpoint, TX, ODD )].address = (uint32_t) buf;
bdt[EP_BDT_IDX(log_endpoint, TX, EVEN)].address = 0;
}
// OUT endpt -> host to device (RX)
else {
USB0->ENDPOINT[log_endpoint].ENDPT |= handshake_flag | // ep handshaking (not if iso endpoint)
USB_ENDPT_EPRXEN_MASK; // en RX (OUT) tran.
bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].byte_count = maxPacket;
bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].address = (uint32_t) buf;
bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].info = BD_OWN_MASK | BD_DTS_MASK;
bdt[EP_BDT_IDX(log_endpoint, RX, EVEN)].info = 0;
}
Data1 |= (1 << endpoint);
return true;
}
// read setup packet
void USBHAL::EP0setup(uint8_t *buffer) {
uint32_t sz;
endpointReadResult(EP0OUT, buffer, &sz);
}
void USBHAL::EP0readStage(void) {
Data1 &= ~1UL; // set DATA0
bdt[0].info = (BD_DTS_MASK | BD_OWN_MASK);
}
void USBHAL::EP0read(void) {
uint32_t idx = EP_BDT_IDX(PHY_TO_LOG(EP0OUT), RX, 0);
bdt[idx].byte_count = MAX_PACKET_SIZE_EP0;
}
uint32_t USBHAL::EP0getReadResult(uint8_t *buffer) {
uint32_t sz;
endpointReadResult(EP0OUT, buffer, &sz);
return sz;
}
void USBHAL::EP0write(uint8_t *buffer, uint32_t size) {
endpointWrite(EP0IN, buffer, size);
}
void USBHAL::EP0getWriteResult(void) {
}
void USBHAL::EP0stall(void) {
stallEndpoint(EP0OUT);
}
EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t maximumSize) {
endpoint = PHY_TO_LOG(endpoint);
uint32_t idx = EP_BDT_IDX(endpoint, RX, 0);
bdt[idx].byte_count = maximumSize;
return EP_PENDING;
}
EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t * buffer, uint32_t *bytesRead) {
uint32_t n, sz, idx, setup = 0;
uint8_t not_iso;
uint8_t * ep_buf;
uint32_t log_endpoint = PHY_TO_LOG(endpoint);
if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) {
return EP_INVALID;
}
// if read on a IN endpoint -> error
if (IN_EP(endpoint)) {
return EP_INVALID;
}
idx = EP_BDT_IDX(log_endpoint, RX, 0);
sz = bdt[idx].byte_count;
not_iso = USB0->ENDPOINT[log_endpoint].ENDPT & USB_ENDPT_EPHSHK_MASK;
//for isochronous endpoint, we don't wait an interrupt
if ((log_endpoint != 0) && not_iso && !(epComplete & EP(endpoint))) {
return EP_PENDING;
}
if ((log_endpoint == 0) && (TOK_PID(idx) == SETUP_TOKEN)) {
setup = 1;
}
// non iso endpoint
if (not_iso) {
ep_buf = endpoint_buffer[idx];
} else {
ep_buf = endpoint_buffer_iso[0];
}
for (n = 0; n < sz; n++) {
buffer[n] = ep_buf[n];
}
if (((Data1 >> endpoint) & 1) == ((bdt[idx].info >> 6) & 1)) {
if (setup && (buffer[6] == 0)) // if no setup data stage,
Data1 &= ~1UL; // set DATA0
else
Data1 ^= (1 << endpoint);
}
if (((Data1 >> endpoint) & 1)) {
bdt[idx].info = BD_DTS_MASK | BD_DATA01_MASK | BD_OWN_MASK;
}
else {
bdt[idx].info = BD_DTS_MASK | BD_OWN_MASK;
}
USB0->CTL &= ~USB_CTL_TXSUSPENDTOKENBUSY_MASK;
*bytesRead = sz;
epComplete &= ~EP(endpoint);
return EP_COMPLETED;
}
EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size) {
uint32_t idx, n;
uint8_t * ep_buf;
if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) {
return EP_INVALID;
}
// if write on a OUT endpoint -> error
if (OUT_EP(endpoint)) {
return EP_INVALID;
}
idx = EP_BDT_IDX(PHY_TO_LOG(endpoint), TX, 0);
bdt[idx].byte_count = size;
// non iso endpoint
if (USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT & USB_ENDPT_EPHSHK_MASK) {
ep_buf = endpoint_buffer[idx];
} else {
ep_buf = endpoint_buffer_iso[2];
}
for (n = 0; n < size; n++) {
ep_buf[n] = data[n];
}
if ((Data1 >> endpoint) & 1) {
bdt[idx].info = BD_OWN_MASK | BD_DTS_MASK;
} else {
bdt[idx].info = BD_OWN_MASK | BD_DTS_MASK | BD_DATA01_MASK;
}
Data1 ^= (1 << endpoint);
return EP_PENDING;
}
EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint) {
if (epComplete & EP(endpoint)) {
epComplete &= ~EP(endpoint);
return EP_COMPLETED;
}
return EP_PENDING;
}
void USBHAL::stallEndpoint(uint8_t endpoint) {
USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT |= USB_ENDPT_EPSTALL_MASK;
}
void USBHAL::unstallEndpoint(uint8_t endpoint) {
USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT &= ~USB_ENDPT_EPSTALL_MASK;
}
bool USBHAL::getEndpointStallState(uint8_t endpoint) {
uint8_t stall = (USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT & USB_ENDPT_EPSTALL_MASK);
return (stall) ? true : false;
}
void USBHAL::remoteWakeup(void) {
// [TODO]
}
void USBHAL::_usbisr(void) {
instance->usbisr();
}
void USBHAL::usbisr(void) {
uint8_t i;
uint8_t istat = USB0->ISTAT;
// reset interrupt
if (istat & USB_ISTAT_USBRST_MASK) {
// disable all endpt
for(i = 0; i < 16; i++) {
USB0->ENDPOINT[i].ENDPT = 0x00;
}
// enable control endpoint
realiseEndpoint(EP0OUT, MAX_PACKET_SIZE_EP0, 0);
realiseEndpoint(EP0IN, MAX_PACKET_SIZE_EP0, 0);
Data1 = 0x55555555;
USB0->CTL |= USB_CTL_ODDRST_MASK;
USB0->ISTAT = 0xFF; // clear all interrupt status flags
USB0->ERRSTAT = 0xFF; // clear all error flags
USB0->ERREN = 0xFF; // enable error interrupt sources
USB0->ADDR = 0x00; // set default address
return;
}
// resume interrupt
if (istat & USB_ISTAT_RESUME_MASK) {
USB0->ISTAT = USB_ISTAT_RESUME_MASK;
}
// SOF interrupt
if (istat & USB_ISTAT_SOFTOK_MASK) {
USB0->ISTAT = USB_ISTAT_SOFTOK_MASK;
// SOF event, read frame number
SOF(frameNumber());
}
// stall interrupt
if (istat & 1<<7) {
if (USB0->ENDPOINT[0].ENDPT & USB_ENDPT_EPSTALL_MASK)
USB0->ENDPOINT[0].ENDPT &= ~USB_ENDPT_EPSTALL_MASK;
USB0->ISTAT |= USB_ISTAT_STALL_MASK;
}
// token interrupt
if (istat & 1<<3) {
uint32_t num = (USB0->STAT >> 4) & 0x0F;
uint32_t dir = (USB0->STAT >> 3) & 0x01;
uint32_t ev_odd = (USB0->STAT >> 2) & 0x01;
// setup packet
if ((num == 0) && (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == SETUP_TOKEN)) {
Data1 &= ~0x02;
bdt[EP_BDT_IDX(0, TX, EVEN)].info &= ~BD_OWN_MASK;
bdt[EP_BDT_IDX(0, TX, ODD)].info &= ~BD_OWN_MASK;
// EP0 SETUP event (SETUP data received)
EP0setupCallback();
} else {
// OUT packet
if (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == OUT_TOKEN) {
if (num == 0)
EP0out();
else {
epComplete |= (1 << EP(num));
if ((instance->*(epCallback[EP(num) - 2]))()) {
epComplete &= ~(1 << EP(num));
}
}
}
// IN packet
if (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == IN_TOKEN) {
if (num == 0) {
EP0in();
if (set_addr == 1) {
USB0->ADDR = addr & 0x7F;
set_addr = 0;
}
}
else {
epComplete |= (1 << (EP(num) + 1));
if ((instance->*(epCallback[EP(num) + 1 - 2]))()) {
epComplete &= ~(1 << (EP(num) + 1));
}
}
}
}
USB0->ISTAT = USB_ISTAT_TOKDNE_MASK;
}
// sleep interrupt
if (istat & 1<<4) {
USB0->ISTAT |= USB_ISTAT_SLEEP_MASK;
}
// error interrupt
if (istat & USB_ISTAT_ERROR_MASK) {
USB0->ERRSTAT = 0xFF;
USB0->ISTAT |= USB_ISTAT_ERROR_MASK;
}
}
#endif

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#include "mbed.h"
#include "MMA8451Q.h"
#define MMA8451_I2C_ADDRESS (0x1d<<1)
int main(void) {
DigitalOut led(LED_GREEN);
MMA8451Q acc(PTE25, PTE24, MMA8451_I2C_ADDRESS);
printf("WHO AM I: 0x%2X\r\n", acc.getWhoAmI());
while (true) {
printf("-----------\r\n");
printf("acc_x: %d\r\n", acc.getAccX());
printf("acc_y: %d\r\n", acc.getAccY());
printf("acc_z: %d\r\n", acc.getAccZ());
wait(1);
led = !led;
}
}

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libraries/tests/peripherals/MMA8451Q/MMA8451Q.cpp Normal file
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/* Copyright (c) 2010-2011 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "MMA8451Q.h"
#define REG_WHO_AM_I 0x0D
#define REG_CTRL_REG_1 0x2A
#define REG_OUT_X_MSB 0x01
#define REG_OUT_Y_MSB 0x03
#define REG_OUT_Z_MSB 0x05
#define UINT14_MAX 16383
MMA8451Q::MMA8451Q(PinName sda, PinName scl, int addr) : m_i2c(sda, scl), m_addr(addr) {
// activate the peripheral
uint8_t data[2] = {REG_CTRL_REG_1, 0x01};
writeRegs(data, 2);
}
MMA8451Q::~MMA8451Q() { }
uint8_t MMA8451Q::getWhoAmI() {
uint8_t who_am_i = 0;
readRegs(REG_WHO_AM_I, &who_am_i, 1);
return who_am_i;
}
int16_t MMA8451Q::getAccX() {
return getAccAxis(REG_OUT_X_MSB);
}
int16_t MMA8451Q::getAccY() {
return getAccAxis(REG_OUT_Y_MSB);
}
int16_t MMA8451Q::getAccZ() {
return getAccAxis(REG_OUT_Z_MSB);
}
void MMA8451Q::getAccAllAxis(int16_t * res) {
res[0] = getAccX();
res[1] = getAccY();
res[2] = getAccZ();
}
int16_t MMA8451Q::getAccAxis(uint8_t addr) {
int16_t acc;
uint8_t res[2];
readRegs(addr, res, 2);
acc = (res[0] << 6) | (res[1] >> 2);
if (acc > UINT14_MAX/2)
acc -= UINT14_MAX;
return acc;
}
void MMA8451Q::readRegs(int addr, uint8_t * data, int len) {
char t[1] = {addr};
m_i2c.write(m_addr, t, 1, true);
m_i2c.read(m_addr, (char *)data, len);
}
void MMA8451Q::writeRegs(uint8_t * data, int len) {
m_i2c.write(m_addr, (char *)data, len);
}

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/* Copyright (c) 2010-2011 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef MMA8451Q_H
#define MMA8451Q_H
#include "mbed.h"
/**
* MMA8451Q accelerometer example
* #include "mbed.h"
* #include "MMA8451Q.h"
*
* #define MMA8451_I2C_ADDRESS (0x1d<<1)
*
* int main(void) {
* DigitalOut led(LED_GREEN);
* MMA8451Q acc(P_E25, P_E24, MMA8451_I2C_ADDRESS);
* printf("WHO AM I: 0x%2X\r\n", acc.getWhoAmI());
*
* while (true) {
* printf("-----------\r\n");
* printf("acc_x: %d\r\n", acc.getAccX());
* printf("acc_y: %d\r\n", acc.getAccY());
* printf("acc_z: %d\r\n", acc.getAccZ());
*
* wait(1);
* led = !led;
* }
* }
*/
class MMA8451Q
{
public:
/**
* MMA8451Q constructor
*
* @param sda SDA pin
* @param sdl SCL pin
* @param addr addr of the I2C peripheral
*/
MMA8451Q(PinName sda, PinName scl, int addr);
/**
* MMA8451Q destructor
*/
~MMA8451Q();
/**
* Get the value of the WHO_AM_I register
*
* @returns WHO_AM_I value
*/
uint8_t getWhoAmI();
/**
* Get X axis acceleration
*
* @returns X axis acceleration
*/
int16_t getAccX();
/**
* Get Y axis acceleration
*
* @returns Y axis acceleration
*/
int16_t getAccY();
/**
* Get Z axis acceleration
*
* @returns Z axis acceleration
*/
int16_t getAccZ();
/**
* Get XYZ axis acceleration
*
* @param res array where acceleration data will be stored
*/
void getAccAllAxis(int16_t * res);
private:
I2C m_i2c;
int m_addr;
void readRegs(int addr, uint8_t * data, int len);
void writeRegs(uint8_t * data, int len);
int16_t getAccAxis(uint8_t addr);
};
#endif

231
libraries/tests/peripherals/TSI/TSISensor.cpp Normal file
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@ -0,0 +1,231 @@
/* Freescale Semiconductor Inc.
* (c) Copyright 2004-2005 Freescale Semiconductor, Inc.
* (c) Copyright 2001-2004 Motorola, Inc.
*
* mbed Microcontroller Library
* (c) Copyright 2009-2012 ARM Limited.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "mbed.h"
#include "TSISensor.h"
#define NO_TOUCH 0
#define SLIDER_LENGTH 40 //LENGTH in mm
#define TOTAL_ELECTRODE 2
#define TSI0a 0
#define TSI1 1
#define TSI2 2
#define TSI3 3
#define TSI4 4
#define TSI5 5
#define TSI6 6
#define TSI7 7
#define TSI8 8
#define TSI9 9
#define TSI10 10
#define TSI11 11
#define TSI12 12
#define TSI13 13
#define TSI14 14
#define TSI15 15
/*Chose the correct TSI channel for the electrode number*/
#define ELECTRODE0 TSI9
#define ELECTRODE1 TSI10
#define ELECTRODE2 TSI0a
#define ELECTRODE3 TSI1
#define ELECTRODE4 TSI2
#define ELECTRODE5 TSI3
#define ELECTRODE6 TSI4
#define ELECTRODE7 TSI5
#define ELECTRODE8 TSI6
#define ELECTRODE9 TSI7
#define ELECTRODE10 TSI8
#define ELECTRODE11 TSI11
#define ELECTRODE12 TSI12
#define ELECTRODE13 TSI13
#define ELECTRODE14 TSI14
#define ELECTRODE15 TSI15
#define THRESHOLD0 100
#define THRESHOLD1 100
#define THRESHOLD2 100
#define THRESHOLD3 100
#define THRESHOLD4 100
#define THRESHOLD5 100
#define THRESHOLD6 100
#define THRESHOLD7 100
#define THRESHOLD8 100
#define THRESHOLD9 100
#define THRESHOLD10 100
#define THRESHOLD11 100
#define THRESHOLD12 100
#define THRESHOLD13 100
#define THRESHOLD14 100
#define THRESHOLD15 100
static uint8_t total_electrode = TOTAL_ELECTRODE;
static uint8_t elec_array[16]={ELECTRODE0,ELECTRODE1,ELECTRODE2,ELECTRODE3,ELECTRODE4,ELECTRODE5,
ELECTRODE6,ELECTRODE7,ELECTRODE8,ELECTRODE9,ELECTRODE10,ELECTRODE11,
ELECTRODE12,ELECTRODE13,ELECTRODE14,ELECTRODE15};
static uint16_t gu16TSICount[16];
static uint16_t gu16Baseline[16];
static uint16_t gu16Threshold[16]={THRESHOLD0,THRESHOLD1,THRESHOLD2,THRESHOLD3,THRESHOLD4,THRESHOLD5,
THRESHOLD6,THRESHOLD7,THRESHOLD8,THRESHOLD9,THRESHOLD10,THRESHOLD11,
THRESHOLD12,THRESHOLD13,THRESHOLD14,THRESHOLD15};
static uint16_t gu16Delta[16];
static uint8_t ongoing_elec;
static uint8_t end_flag = 1;
static uint8_t SliderPercentegePosition[2] = {NO_TOUCH,NO_TOUCH};
static uint8_t SliderDistancePosition[2] = {NO_TOUCH,NO_TOUCH};
static uint32_t AbsolutePercentegePosition = NO_TOUCH;
static uint32_t AbsoluteDistancePosition = NO_TOUCH;
static void tsi_irq();
TSISensor::TSISensor() {
SIM->SCGC5 |= SIM_SCGC5_PORTB_MASK;
SIM->SCGC5 |= SIM_SCGC5_TSI_MASK;
TSI0->GENCS |= (TSI_GENCS_ESOR_MASK
| TSI_GENCS_MODE(0)
| TSI_GENCS_REFCHRG(4)
| TSI_GENCS_DVOLT(0)
| TSI_GENCS_EXTCHRG(7)
| TSI_GENCS_PS(4)
| TSI_GENCS_NSCN(11)
| TSI_GENCS_TSIIEN_MASK
| TSI_GENCS_STPE_MASK
);
TSI0->GENCS |= TSI_GENCS_TSIEN_MASK;
NVIC_SetVector(TSI0_IRQn, (uint32_t)&tsi_irq);
NVIC_EnableIRQ(TSI0_IRQn);
selfCalibration();
}
void TSISensor::selfCalibration(void)
{
unsigned char cnt;
unsigned char trigger_backup;
TSI0->GENCS |= TSI_GENCS_EOSF_MASK; // Clear End of Scan Flag
TSI0->GENCS &= ~TSI_GENCS_TSIEN_MASK; // Disable TSI module
if(TSI0->GENCS & TSI_GENCS_STM_MASK) // Back-up TSI Trigger mode from Application
trigger_backup = 1;
else
trigger_backup = 0;
TSI0->GENCS &= ~TSI_GENCS_STM_MASK; // Use SW trigger
TSI0->GENCS &= ~TSI_GENCS_TSIIEN_MASK; // Enable TSI interrupts
TSI0->GENCS |= TSI_GENCS_TSIEN_MASK; // Enable TSI module
for(cnt=0; cnt < total_electrode; cnt++) // Get Counts when Electrode not pressed
{
TSI0->DATA = ((elec_array[cnt] << TSI_DATA_TSICH_SHIFT) );
TSI0->DATA |= TSI_DATA_SWTS_MASK;
while(!(TSI0->GENCS & TSI_GENCS_EOSF_MASK));
TSI0->GENCS |= TSI_GENCS_EOSF_MASK;
gu16Baseline[cnt] = (TSI0->DATA & TSI_DATA_TSICNT_MASK);
}
TSI0->GENCS &= ~TSI_GENCS_TSIEN_MASK; // Disable TSI module
TSI0->GENCS |= TSI_GENCS_TSIIEN_MASK; // Enale TSI interrupt
if(trigger_backup) // Restore trigger mode
TSI0->GENCS |= TSI_GENCS_STM_MASK;
else
TSI0->GENCS &= ~TSI_GENCS_STM_MASK;
TSI0->GENCS |= TSI_GENCS_TSIEN_MASK; // Enable TSI module
TSI0->DATA = ((elec_array[0]<<TSI_DATA_TSICH_SHIFT) );
TSI0->DATA |= TSI_DATA_SWTS_MASK;
}
void TSISensor::sliderRead(void ) {
if(end_flag) {
end_flag = 0;
if((gu16Delta[0] > gu16Threshold[0])||(gu16Delta[1] > gu16Threshold[1])) {
SliderPercentegePosition[0] = (gu16Delta[0]*100)/(gu16Delta[0]+gu16Delta[1]);
SliderPercentegePosition[1] = (gu16Delta[1]*100)/(gu16Delta[0]+gu16Delta[1]);
SliderDistancePosition[0] = (SliderPercentegePosition[0]* SLIDER_LENGTH)/100;
SliderDistancePosition[1] = (SliderPercentegePosition[1]* SLIDER_LENGTH)/100;
AbsolutePercentegePosition = ((100 - SliderPercentegePosition[0]) + SliderPercentegePosition[1])/2;
AbsoluteDistancePosition = ((SLIDER_LENGTH - SliderDistancePosition[0]) + SliderDistancePosition[1])/2;
} else {
SliderPercentegePosition[0] = NO_TOUCH;
SliderPercentegePosition[1] = NO_TOUCH;
SliderDistancePosition[0] = NO_TOUCH;
SliderDistancePosition[1] = NO_TOUCH;
AbsolutePercentegePosition = NO_TOUCH;
AbsoluteDistancePosition = NO_TOUCH;
}
}
}
float TSISensor::readPercentage() {
sliderRead();
return (float)AbsolutePercentegePosition/100.0;
}
uint8_t TSISensor::readDistance() {
sliderRead();
return AbsoluteDistancePosition;
}
static void changeElectrode(void)
{
int16_t u16temp_delta;
gu16TSICount[ongoing_elec] = (TSI0->DATA & TSI_DATA_TSICNT_MASK); // Save Counts for current electrode
u16temp_delta = gu16TSICount[ongoing_elec] - gu16Baseline[ongoing_elec]; // Obtains Counts Delta from callibration reference
if(u16temp_delta < 0)
gu16Delta[ongoing_elec] = 0;
else
gu16Delta[ongoing_elec] = u16temp_delta;
//Change Electrode to Scan
if(total_electrode > 1)
{
if((total_electrode-1) > ongoing_elec)
ongoing_elec++;
else
ongoing_elec = 0;
TSI0->DATA = ((elec_array[ongoing_elec]<<TSI_DATA_TSICH_SHIFT) );
TSI0->DATA |= TSI_DATA_SWTS_MASK;
}
}
void tsi_irq(void)
{
end_flag = 1;
TSI0->GENCS |= TSI_GENCS_EOSF_MASK; // Clear End of Scan Flag
changeElectrode();
}

73
libraries/tests/peripherals/TSI/TSISensor.h Normal file
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@ -0,0 +1,73 @@
/* Freescale Semiconductor Inc.
* (c) Copyright 2004-2005 Freescale Semiconductor, Inc.
* (c) Copyright 2001-2004 Motorola, Inc.
*
* mbed Microcontroller Library
* (c) Copyright 2009-2012 ARM Limited.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef TSISENSOR_H
#define TSISENSOR_H
/**
* TSISensor example
*
* @code
* #include "mbed.h"
* #include "TSISensor.h"
*
* int main(void) {
* DigitalOut led(LED_GREEN);
* TSISensor tsi;
*
* while (true) {
* printf("slider percentage: %f%\r\n", tsi.readPercentage());
* printf("slider distance: %dmm\r\n", tsi.readDistance());
* wait(1);
* led = !led;
* }
* }
* @endcode
*/
class TSISensor {
public:
/**
* Initialize the TSI Touch Sensor
*/
TSISensor();
/**
* Read Touch Sensor percentage value
*
* @returns percentage value between [0 ... 1]
*/
float readPercentage();
/**
* Read Touch Sensor distance
*
* @returns distance in mm. The value is between [0 ... 40]
*/
uint8_t readDistance();
private:
void sliderRead(void);
void selfCalibration(void);
};
#endif

34
workspace_tools/tests.py
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@ -479,7 +479,39 @@ TESTS = [
"supported": CORTEX_ARM_SUPPORT, "supported": CORTEX_ARM_SUPPORT,
}, },
# Examples # KL25Z
{
"id": "KL25Z_1", "description": "KL25Z: LPTMR",
"source_dir": join(TEST_DIR, "KL25Z", "lptmr"),
"dependencies": [MBED_LIBRARIES],
"supported": CORTEX_ARM_SUPPORT,
"mcu": ["KL25Z"],
},
{
"id": "KL25Z_2", "description": "KL25Z: PIT",
"source_dir": join(TEST_DIR, "KL25Z", "pit"),
"dependencies": [MBED_LIBRARIES],
"supported": CORTEX_ARM_SUPPORT,
"mcu": ["KL25Z"],
},
{
"id": "KL25Z_3", "description": "KL25Z: TSI Touch Sensor",
"source_dir": join(TEST_DIR, "mbed", "tsi"),
"dependencies": [MBED_LIBRARIES, TEST_MBED_LIB, join(PERIPHERALS, 'TSI')],
"mcu": ["KL25Z"],
},
{
"id": "KL25Z_4", "description": "KL25Z: RTC",
"source_dir": join(TEST_DIR, "KL25Z", "rtc"),
"dependencies": [MBED_LIBRARIES],
"mcu": ["KL25Z"],
},
{
"id": "KL25Z_5", "description": "KL25Z: MMA8451Q accelerometer",
"source_dir": join(TEST_DIR, "mbed", "i2c_MMA8451Q"),
"dependencies": [MBED_LIBRARIES, TEST_MBED_LIB, join(PERIPHERALS, 'MMA8451Q')],
"mcu": ["KL25Z"],
},
{ {
"id": "EXAMPLE_1", "description": "/dev/null", "id": "EXAMPLE_1", "description": "/dev/null",
"source_dir": join(TEST_DIR, "mbed", "dev_null"), "source_dir": join(TEST_DIR, "mbed", "dev_null"),