ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
mbed-os/features/unsupported/USBDevice/USBDevice/USBHAL_NUC472.cpp

731 lines
20 KiB
C++
Raw Blame History

/* mbed Microcontroller Library
* Copyright (c) 2015-2016 Nuvoton
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#if defined(TARGET_NUMAKER_PFM_NUC472)
#include "USBHAL.h"
#include "NUC472_442.h"
#include "pinmap.h"
/**
* EP: mbed USBD defined endpoint, e.g. EP0OUT/IN, EP1OUT/IN, EP2OUT/IN.
* EPX: BSP defined endpoint, e.g. CEP, EPA, EPB, EPC.
*/
USBHAL * USBHAL::instance;
static volatile uint32_t s_ep_compl = 0;
static volatile uint32_t s_ep_buf_ind = 0;
static volatile uint8_t s_usb_addr = 0;
static volatile S_USBD_CMD_T s_setup;
static volatile uint16_t s_ctrlin_packetsize;
static uint8_t *g_usbd_CtrlInPointer = 0;
static uint32_t g_usbd_CtrlMaxPktSize = 64;
static uint32_t g_usbd_ShortPkt = 0;
static uint32_t gEpRead = 0;
static uint32_t gEpReadCnt = 0;
void USBD_CtrlInput(void)
{
int volatile i;
uint32_t volatile count;
// Process remained data
if (g_usbd_CtrlInSize >= g_usbd_CtrlMaxPktSize)
{
// Data size > MXPLD
for (i=0; i<(g_usbd_CtrlMaxPktSize >> 2); i++, g_usbd_CtrlInPointer+=4)
USBD->CEPDAT = *(uint32_t *)g_usbd_CtrlInPointer;
USBD_START_CEP_IN(g_usbd_CtrlMaxPktSize);
g_usbd_CtrlInSize -= g_usbd_CtrlMaxPktSize;
}
else
{
// Data size <= MXPLD
for (i=0; i<(g_usbd_CtrlInSize >> 2); i++, g_usbd_CtrlInPointer+=4)
USBD->CEPDAT = *(uint32_t *)g_usbd_CtrlInPointer;
count = g_usbd_CtrlInSize % 4;
for (i=0; i<count; i++)
USBD->CEPDAT_BYTE = *(uint8_t *)(g_usbd_CtrlInPointer + i);
USBD_START_CEP_IN(g_usbd_CtrlInSize);
g_usbd_CtrlInPointer = 0;
g_usbd_CtrlInSize = 0;
}
}
USBHAL::USBHAL(void)
{
SYS_UnlockReg();
s_ep_buf_ind = 0;
memset(epCallback, 0x00, sizeof (epCallback));
epCallback[0] = &USBHAL::EP1_OUT_callback;
epCallback[1] = &USBHAL::EP2_IN_callback;
epCallback[2] = &USBHAL::EP3_OUT_callback;
epCallback[3] = &USBHAL::EP4_IN_callback;
epCallback[4] = &USBHAL::EP5_OUT_callback;
epCallback[5] = &USBHAL::EP6_IN_callback;
epCallback[6] = &USBHAL::EP7_OUT_callback;
epCallback[7] = &USBHAL::EP8_IN_callback;
epCallback[8] = &USBHAL::EP9_OUT_callback;
epCallback[9] = &USBHAL::EP10_IN_callback;
epCallback[10] = &USBHAL::EP11_OUT_callback;
epCallback[11] = &USBHAL::EP12_IN_callback;
instance = this;
/* Enable USBD module clock */
CLK_EnableModuleClock(USBD_MODULE);
/* Enable USB PHY's LDO33. Run as USB device. */
SYS->USBPHY = SYS_USBPHY_USBROLE_OTG_V33_EN | SYS_USBPHY_USBROLE_STD_USBD;
/* Enable USB PHY and wait for it ready */
USBD_ENABLE_PHY();
while (1)
{
USBD->EPAMPS = 0x20;
if (USBD->EPAMPS == 0x20)
break;
}
/* Force to full-speed */
USBD->OPER = 0;//USBD_OPER_HISPDEN_Msk;
/* Set SE0 (disconnect) */
USBD_SET_SE0();
NVIC_SetVector(USBD_IRQn, (uint32_t) &_usbisr);
NVIC_EnableIRQ(USBD_IRQn);
}
USBHAL::~USBHAL(void)
{
NVIC_DisableIRQ(USBD_IRQn);
USBD_SET_SE0();
USBD_DISABLE_PHY();
}
void USBHAL::connect(void)
{
USBD_ResetDMA();
USBD_SET_ADDR(0);
/**
* Control Transfer Packet Size Constraints
* low-speed: 8
* full-speed: 8, 16, 32, 64
* high-speed: 64
*/
/* Control endpoint */
USBD_SetEpBufAddr(CEP, s_ep_buf_ind, MAX_PACKET_SIZE_EP0);
s_ep_buf_ind = MAX_PACKET_SIZE_EP0;
/* Enable USB/CEP interrupt */
USBD_ENABLE_USB_INT(USBD_GINTEN_USBIE_Msk | USBD_GINTEN_CEPIE_Msk);
USBD_ENABLE_CEP_INT(USBD_CEPINTEN_SETUPPKIEN_Msk|USBD_CEPINTEN_STSDONEIEN_Msk);
/* Enable BUS interrupt */
USBD_ENABLE_BUS_INT(
USBD_BUSINTEN_DMADONEIEN_Msk |
USBD_BUSINTEN_RESUMEIEN_Msk |
USBD_BUSINTEN_RSTIEN_Msk |
USBD_BUSINTEN_VBUSDETIEN_Msk |
USBD_BUSINTEN_SOFIEN_Msk
);
/* Clear SE0 (connect) */
USBD_CLR_SE0();
}
void USBHAL::disconnect(void)
{
/* Set SE0 (disconnect) */
USBD_SET_SE0();
}
void USBHAL::configureDevice(void)
{
/**
* In USBDevice.cpp > USBDevice::requestSetConfiguration, configureDevice() is called after realiseEndpoint() (in USBCallback_setConfiguration()).
* So we have the following USB buffer management policy:
* 1. Allocate for CEP on connect().
* 2. Allocate for EPX in realiseEndpoint().
* 3. Deallocate all except for CEP in unconfigureDevice().
*/
}
void USBHAL::unconfigureDevice(void)
{
s_ep_buf_ind = MAX_PACKET_SIZE_EP0;
}
void USBHAL::setAddress(uint8_t address)
{
// NOTE: Delay address setting; otherwise, USB controller won't ack.
s_usb_addr = address;
}
void USBHAL::remoteWakeup(void)
{
USBD->OPER |= USBD_OPER_RESUMEEN_Msk;
}
bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t options)
{
uint32_t ep_type;
uint32_t ep_hw_index = NU_EP2EPH(endpoint);
USBD_SetEpBufAddr(ep_hw_index, s_ep_buf_ind, maxPacket);
s_ep_buf_ind += maxPacket;
USBD_SET_MAX_PAYLOAD(ep_hw_index, maxPacket);
switch (NU_EP2EPL(endpoint))
{
case 1: case 2:
ep_type = USB_EP_CFG_TYPE_INT;
break;
case 3: case 4:
ep_type = USB_EP_CFG_TYPE_ISO;
break;
default:
ep_type = USB_EP_CFG_TYPE_BULK;
}
uint32_t ep_dir = (NU_EP_DIR(endpoint) == NU_EP_DIR_IN) ? USB_EP_CFG_DIR_IN : USB_EP_CFG_DIR_OUT;
USBD_ConfigEp(ep_hw_index, NU_EP2EPL(endpoint), ep_type, ep_dir);
/* Enable USB/EPX interrupt */
// NOTE: Require USBD_GINTEN_EPAIE_Pos, USBD_GINTEN_EPBIE_Pos, ... USBD_GINTEN_EPLIE_Pos to be consecutive.
USBD_ENABLE_USB_INT(USBD->GINTEN | USBD_GINTEN_USBIE_Msk |
USBD_GINTEN_CEPIE_Msk |
1 << (ep_hw_index + USBD_GINTEN_EPAIE_Pos)); // Added USB/EPX interrupt
if (ep_dir == 0)
USBD_ENABLE_EP_INT(ep_hw_index, USBD_EPINTEN_RXPKIEN_Msk);
else
USBD_ENABLE_EP_INT(ep_hw_index, USBD_EPINTEN_TXPKIEN_Msk);
return true;
}
void USBHAL::EP0setup(uint8_t *buffer)
{
uint32_t sz;
endpointReadResult(EP0OUT, buffer, &sz);
}
void USBHAL::EP0read(void)
{
if (s_setup.wLength && ! (s_setup.bmRequestType & 0x80))
{
// Control OUT
USBD_ENABLE_CEP_INT(USBD_CEPINTEN_SETUPPKIEN_Msk | USBD_CEPINTEN_RXPKIEN_Msk);
}
else
{
// Status stage
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_STSDONEIF_Msk);
USBD_SET_CEP_STATE(USB_CEPCTL_NAKCLR);
USBD_ENABLE_CEP_INT(USBD_CEPINTEN_STSDONEIEN_Msk);
}
}
void USBHAL::EP0readStage(void)
{
// N/A
}
uint32_t USBHAL::EP0getReadResult(uint8_t *buffer)
{
uint32_t i;
uint32_t ceprxcnt = USBD->CEPRXCNT;
for (i = 0; i < ceprxcnt; i ++)
*buffer ++ = USBD->CEPDAT_BYTE;
return ceprxcnt;
}
void USBHAL::EP0write(uint8_t *buffer, uint32_t size)
{
if (buffer && size)
{
g_usbd_CtrlInPointer = buffer;
g_usbd_CtrlInSize = size;
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_INTKIF_Msk);
USBD_ENABLE_CEP_INT(USBD_CEPINTEN_INTKIEN_Msk);
}
else
{
/* Status stage */
s_ctrlin_packetsize = 0;
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_STSDONEIF_Msk);
USBD_SET_CEP_STATE(USB_CEPCTL_NAKCLR);
USBD_ENABLE_CEP_INT(USBD_CEPINTEN_STSDONEIEN_Msk);
}
}
void USBHAL::EP0getWriteResult(void)
{
// N/A
}
void USBHAL::EP0stall(void)
{
stallEndpoint(EP0OUT);
}
EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t maximumSize)
{
return EP_PENDING;
}
EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t * buffer, uint32_t *bytesRead) //spcheng
{
if (endpoint == EP0OUT)
{
if (buffer) {
*((uint16_t *) (buffer + 0)) = (uint16_t) USBD->SETUP1_0;
*((uint16_t *) (buffer + 2)) = (uint16_t) USBD->SETUP3_2;
*((uint16_t *) (buffer + 4)) = (uint16_t) USBD->SETUP5_4;
*((uint16_t *) (buffer + 6)) = (uint16_t) USBD->SETUP7_6;
}
s_setup.bmRequestType = (uint8_t) (USBD->SETUP1_0 & 0xff);
s_setup.bRequest = (int8_t) (USBD->SETUP1_0 >> 8) & 0xff;
s_setup.wValue = (uint16_t) USBD->SETUP3_2;
s_setup.wIndex = (uint16_t) USBD->SETUP5_4;
s_setup.wLength = (uint16_t) USBD->SETUP7_6;
}
else
{
if (!(s_ep_compl & (1 << NU_EP2EPL(endpoint))))
{
while (1)
{
if (!(USBD->DMACTL & USBD_DMACTL_DMAEN_Msk))
break;
else
if (!USBD_IS_ATTACHED())
break;
}
gEpReadCnt = USBD_GET_EP_DATA_COUNT(NU_EP2EPH(endpoint));
if (gEpReadCnt == 0)
{
*bytesRead = 0;
return EP_COMPLETED;
}
s_ep_compl |= (1 << NU_EP2EPL(endpoint));
USBD_SET_DMA_LEN(gEpReadCnt);
USBD_SET_DMA_ADDR((uint32_t)buffer);
USBD_SET_DMA_WRITE(NU_EP2EPL(endpoint));
USBD_ENABLE_DMA();
return EP_PENDING;;
}
else
{
if ((USBD->DMACTL & USBD_DMACTL_DMAEN_Msk))
return EP_PENDING;;
USBD_CLR_BUS_INT_FLAG(USBD_BUSINTSTS_DMADONEIF_Msk);
s_ep_compl &= ~(1 << NU_EP2EPL(endpoint));
*bytesRead = gEpReadCnt;
}
}
return EP_COMPLETED;
}
uint32_t USBHAL::endpointReadcore(uint8_t endpoint, uint8_t *buffer)
{
return 0;
}
EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size)
{
uint32_t ep_logic_index = NU_EP2EPL(endpoint);
if (ep_logic_index == 0)
return EP_INVALID;
else
{
uint32_t ep_hw_index = NU_EP2EPH(endpoint);
uint32_t mps = USBD_GET_EP_MAX_PAYLOAD(ep_hw_index);
if (size > mps) {
return EP_INVALID;
}
if (size < mps)
g_usbd_ShortPkt = 1;
if (!(s_ep_compl & (1 << NU_EP2EPL(endpoint))))
{
s_ep_compl |= (1 << ep_logic_index);
while (1)
{
if (!(USBD->DMACTL & USBD_DMACTL_DMAEN_Msk))
break;
else
if (!USBD_IS_ATTACHED())
break;
}
USBD_SET_DMA_LEN(size);
USBD_SET_DMA_ADDR((uint32_t)data);
USBD_SET_DMA_READ(ep_logic_index);
USBD_ENABLE_DMA();
}
}
return EP_PENDING;
}
EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint)
{
if (!(s_ep_compl & (1 << NU_EP2EPL(endpoint))))
return EP_COMPLETED;
else
{
if ((USBD_GET_EP_DATA_COUNT(NU_EP2EPH(endpoint))) == 0 && !(USBD->DMACTL & USBD_DMACTL_DMAEN_Msk))
{
s_ep_compl &= ~(s_ep_compl & (1 << NU_EP2EPL(endpoint)));
return EP_COMPLETED;
}
}
return EP_PENDING;
}
void USBHAL::stallEndpoint(uint8_t endpoint)
{
uint32_t ep_hw_index = NU_EP2EPH(endpoint);
if (ep_hw_index >= NUMBER_OF_PHYSICAL_ENDPOINTS)
return;
USBD_SetStall(ep_hw_index);
}
void USBHAL::unstallEndpoint(uint8_t endpoint)
{
uint32_t ep_hw_index = NU_EP2EPH(endpoint);
if (ep_hw_index >= NUMBER_OF_PHYSICAL_ENDPOINTS)
return;
USBD_ClearStall(ep_hw_index);
}
bool USBHAL::getEndpointStallState(uint8_t endpoint)
{
uint32_t ep_hw_index = NU_EP2EPH(endpoint);
if (ep_hw_index >= NUMBER_OF_PHYSICAL_ENDPOINTS)
return false;
return USBD_GetStall(ep_hw_index) ? 1 : 0;
}
void USBHAL::_usbisr(void)
{
MBED_ASSERT(instance);
instance->usbisr();
}
void USBHAL::usbisr(void)
{
uint32_t gintsts = USBD->GINTSTS & USBD->GINTEN;
if (! gintsts)
return;
if (gintsts & USBD_GINTSTS_USBIF_Msk)
{
uint32_t busintsts = USBD->BUSINTSTS & USBD->BUSINTEN;
/* SOF */
if (busintsts & USBD_BUSINTSTS_SOFIF_Msk)
{
USBD_CLR_BUS_INT_FLAG(USBD_BUSINTSTS_SOFIF_Msk);
// TODO
SOF(USBD->FRAMECNT >> 3);
}
/* Reset */
if (busintsts & USBD_BUSINTSTS_RSTIF_Msk)
{
connect();
USBD_CLR_BUS_INT_FLAG(USBD_BUSINTSTS_RSTIF_Msk);
USBD_CLR_CEP_INT_FLAG(0x1ffc);
}
/* Resume */
if (busintsts & USBD_BUSINTSTS_RESUMEIF_Msk)
{
USBD_ENABLE_BUS_INT(USBD_BUSINTEN_RSTIEN_Msk|USBD_BUSINTEN_SUSPENDIEN_Msk | USBD_BUSINTEN_SOFIEN_Msk | USBD_BUSINTEN_SOFIEN_Msk);
USBD_CLR_BUS_INT_FLAG(USBD_BUSINTSTS_RESUMEIF_Msk);
}
/* Suspend */
if (busintsts & USBD_BUSINTSTS_SUSPENDIF_Msk)
{
USBD_ENABLE_BUS_INT(USBD_BUSINTEN_RSTIEN_Msk | USBD_BUSINTEN_RESUMEIEN_Msk |USBD_BUSINTEN_SOFIEN_Msk);
USBD_CLR_BUS_INT_FLAG(USBD_BUSINTSTS_SUSPENDIF_Msk);
}
/* High-speed */
if (busintsts & USBD_BUSINTSTS_HISPDIF_Msk)
{
USBD_ENABLE_CEP_INT(USBD_CEPINTEN_SETUPPKIEN_Msk);
USBD_CLR_BUS_INT_FLAG(USBD_BUSINTSTS_HISPDIF_Msk);
}
/* DMA */
if (busintsts & USBD_BUSINTSTS_DMADONEIF_Msk)
{
if (USBD->DMACTL & 0x10) /* IN - Read */
{
if (g_usbd_ShortPkt)
{
uint32_t ep_hw_index = NU_EPL2EPH((USBD->DMACTL & 0xF));
USBD_SET_EP_SHORT_PACKET(ep_hw_index);
g_usbd_ShortPkt = 0;
}
}
USBD_CLR_BUS_INT_FLAG(USBD_BUSINTSTS_DMADONEIF_Msk);
}
/* PHY clock available */
if (busintsts & USBD_BUSINTSTS_PHYCLKVLDIF_Msk)
{
USBD_CLR_BUS_INT_FLAG(USBD_BUSINTSTS_PHYCLKVLDIF_Msk);
}
/* VBUS plug-in */
if (busintsts & USBD_BUSINTSTS_VBUSDETIF_Msk)
{
if (USBD_IS_ATTACHED())
{
// USB plug-in
USBD_ENABLE_USB();
}
else
{
// USB unplug-out
USBD_DISABLE_USB();
}
USBD_CLR_BUS_INT_FLAG(USBD_BUSINTSTS_VBUSDETIF_Msk);
}
}
/* CEP interrupts */
if (gintsts & USBD_GINTSTS_CEPIF_Msk)
{
uint32_t cepintsts = USBD->CEPINTSTS & USBD->CEPINTEN;
/* SETUP token packet */
if (cepintsts & USBD_CEPINTSTS_SETUPTKIF_Msk)
{
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_SETUPTKIF_Msk);
return;
}
/* SETUP transaction */
if (cepintsts & USBD_CEPINTSTS_SETUPPKIF_Msk)
{
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_SETUPPKIF_Msk);
EP0setupCallback();
return;
}
/* OUT token packet */
if (cepintsts & USBD_CEPINTSTS_OUTTKIF_Msk)
{
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_OUTTKIF_Msk);
USBD_ENABLE_CEP_INT(USBD_CEPINTEN_STSDONEIEN_Msk);
return;
}
/* IN token packet */
if (cepintsts & USBD_CEPINTSTS_INTKIF_Msk)
{
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_INTKIF_Msk);
if (!(cepintsts & USBD_CEPINTSTS_STSDONEIF_Msk))
{
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_TXPKIF_Msk);
USBD_ENABLE_CEP_INT(USBD_CEPINTEN_TXPKIEN_Msk);
USBD_CtrlInput();
}
else
{
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_TXPKIF_Msk);
USBD_ENABLE_CEP_INT(USBD_CEPINTEN_TXPKIEN_Msk|USBD_CEPINTEN_STSDONEIEN_Msk);
}
return;
}
/* PING packet */
if (cepintsts & USBD_CEPINTSTS_PINGIF_Msk)
{
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_PINGIF_Msk);
return;
}
/* IN transaction */
if (cepintsts & USBD_CEPINTSTS_TXPKIF_Msk)
{
EP0in();
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_TXPKIF_Msk);
return;
}
/* OUT transaction */
if (cepintsts & USBD_CEPINTSTS_RXPKIF_Msk)
{
EP0out();
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_RXPKIF_Msk);
return;
}
/* NAK handshake packet */
if (cepintsts & USBD_CEPINTSTS_NAKIF_Msk)
{
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_NAKIF_Msk);
return;
}
/* STALL handshake packet */
if (cepintsts & USBD_CEPINTSTS_STALLIF_Msk)
{
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_STALLIF_Msk);
return;
}
/* ERR special packet */
if (cepintsts & USBD_CEPINTSTS_ERRIF_Msk)
{
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_ERRIF_Msk);
return;
}
/* Status stage transaction */
if (cepintsts & USBD_CEPINTSTS_STSDONEIF_Msk)
{
if (s_usb_addr)
{
USBD_SET_ADDR(s_usb_addr);
s_usb_addr = 0;
}
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_STSDONEIF_Msk);
USBD_ENABLE_CEP_INT(USBD_CEPINTEN_SETUPPKIEN_Msk);
return;
}
/* Buffer Full */
if (cepintsts & USBD_CEPINTSTS_BUFFULLIF_Msk)
{
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_BUFFULLIF_Msk);
return;
}
/* Buffer Empty */
if (cepintsts & USBD_CEPINTSTS_BUFEMPTYIF_Msk)
{
USBD_CLR_CEP_INT_FLAG(USBD_CEPINTSTS_BUFEMPTYIF_Msk);
return;
}
}
/* EPA, EPB, EPC, ... EPL interrupts */
uint32_t gintsts_epx = gintsts >> 2;
uint32_t ep_hw_index = 0;
while (gintsts_epx) {
if (gintsts_epx & 0x01)
{
uint32_t epxintsts = USBD_GET_EP_INT_FLAG(ep_hw_index) & USBD_GET_EP_INT_EN(ep_hw_index);
USBD_CLR_EP_INT_FLAG(ep_hw_index, epxintsts);
/* Buffer Full */
if (epxintsts & USBD_EPINTSTS_BUFFULLIF_Msk)
{
}
/* Buffer Empty */
if (epxintsts & USBD_EPINTSTS_BUFEMPTYIF_Msk)
{
}
/* Short Packet Transferred */
if (epxintsts & USBD_EPINTSTS_SHORTTXIF_Msk)
{
}
/* Data Packet Transmitted */
if (epxintsts & USBD_EPINTSTS_TXPKIF_Msk)
{
s_ep_compl &= ~(1 << (NU_EPH2EPL(ep_hw_index)));
if ((instance->*(epCallback[ep_hw_index]))())
{
}
}
/* Data Packet Received */
if (epxintsts & USBD_EPINTSTS_RXPKIF_Msk)
{
if ((instance->*(epCallback[ep_hw_index]))())
{
}
}
/* OUT token packet */
if (epxintsts & USBD_EPINTSTS_OUTTKIF_Msk)
{
}
/* IN token packet */
if (epxintsts & USBD_EPINTSTS_INTKIF_Msk)
{
}
/* PING packet */
if (epxintsts & USBD_EPINTSTS_PINGIF_Msk)
{
}
/* NAK handshake packet sent to Host */
if (epxintsts & USBD_EPINTSTS_NAKIF_Msk)
{
}
/* STALL handshake packet sent to Host */
if (epxintsts & USBD_EPINTSTS_STALLIF_Msk)
{
}
/* NYET handshake packet sent to Host */
if (epxintsts & USBD_EPINTSTS_NYETIF_Msk)
{
}
/* ERR packet sent to Host */
if (epxintsts & USBD_EPINTSTS_ERRIF_Msk)
{
}
/* Bulk Out Short Packet Received */
if (epxintsts & USBD_EPINTSTS_SHORTRXIF_Msk)
{
}
}
gintsts_epx = gintsts_epx >> 1;
ep_hw_index++;
}
}
#endif
Reference in New Issue View Git Blame Copy Permalink