//非标准协议
void EP1_OUT_Callback(void)
{
u8 TMP_Buffer[2],i;
u8 reclen;
if (USB_TIMEOUT_CNT==USB_TIMEOUT_VALUE)
{
USB_Buffer_INDEX=0;
}
USB_TIMEOUT_CNT=1;
if (USB_Buffer_INDEX<2)
{
PMAToUserBufferCopy(USB_BUFFER+USB_Buffer_INDEX, ENDP1_RXADDR, 0x40);
reclen=USB_BUFFER[USB_Buffer_INDEX+1];
for (i=0;i<0x40;i++)
{
USB_BUFFER[USB_Buffer_INDEX+i]=USB_BUFFER[USB_Buffer_INDEX+i+2];
}
}
else
{
TMP_Buffer[0]=USB_BUFFER[USB_Buffer_INDEX-2];
TMP_Buffer[1]=USB_BUFFER[USB_Buffer_INDEX-1];
PMAToUserBufferCopy(USB_BUFFER+USB_Buffer_INDEX-2, ENDP1_RXADDR, 0x40);
reclen=USB_BUFFER[USB_Buffer_INDEX-2+1];
USB_BUFFER[USB_Buffer_INDEX-2]=TMP_Buffer[0];
USB_BUFFER[USB_Buffer_INDEX-1]=TMP_Buffer[1];
}
USB_Buffer_INDEX+=reclen;
if ((USB_BUFFER[0]==USB_Buffer_INDEX-1))
USB_TIMEOUT_CNT=USB_TIMEOUT_VALUE;
SetEPRxStatus(ENDP1, EP_RX_VALID);
}
vsf_err_t stm32_usbd_ep_read_OUT_buffer(uint8_t idx, uint8_t *buffer,
uint16_t size)
{
int8_t index;
index = stm32_usbd_ep(idx);
if (index < 0)
{
return VSFERR_FAIL;
}
idx = (uint8_t)index;
if (stm32_usbd_OUT_dbuffer[idx])
{
if(GetENDPOINT(idx) & EP_DTOG_TX)
{
PMAToUserBufferCopy(buffer, GetEPDblBuf1Addr(idx), size);
}
else
{
PMAToUserBufferCopy(buffer, GetEPDblBuf0Addr(idx), size);
}
}
else
{
PMAToUserBufferCopy(buffer, GetEPRxAddr(idx), size);
}
return VSFERR_NONE;
}
/*******************************************************************************
* Function Name : DataStageOut.
* Description : Data stage of a Control Write Transfer.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void DataStageOut(void) {
ENDPOINT_INFO *pEPinfo = &pInformation->Ctrl_Info;
uint32_t save_rLength;
save_rLength = pEPinfo->Usb_rLength;
if (pEPinfo->CopyData && save_rLength) {
uint8_t *Buffer;
uint32_t Length;
Length = pEPinfo->PacketSize;
if (Length > save_rLength) Length = save_rLength;
Buffer = (*pEPinfo->CopyData)(Length);
pEPinfo->Usb_rLength -= Length;
pEPinfo->Usb_rOffset += Length;
PMAToUserBufferCopy(Buffer, GetEPRxAddr(ENDP0), Length);
}
if (pEPinfo->Usb_rLength != 0) {
vSetEPRxStatus(EP_RX_VALID);
// re-enable for next data reception
SetEPTxCount(ENDP0, 0);
vSetEPTxStatus(EP_TX_VALID);
// Expect the host to abort the data OUT stage
}
// Set the next State
if (pEPinfo->Usb_rLength >= pEPinfo->PacketSize) {
pInformation->ControlState = OUT_DATA;
} else {
if (pEPinfo->Usb_rLength > 0) {
pInformation->ControlState = LAST_OUT_DATA;
} else if (pEPinfo->Usb_rLength == 0) {
pInformation->ControlState = WAIT_STATUS_IN;
USB_StatusIn();
}
}
}
/////////////////////////////////////////////////////////////////////////////
//! Gets a byte from the receive buffer
//! \param[in] usb_com USB_COM number (not supported yet, should always be 0)
//! \return -1 if USB_COM not available
//! \return -2 if no new byte available
//! \return >= 0: received byte
//! \note Applications shouldn't call this function directly, instead please use \ref MIOS32_COM layer functions
/////////////////////////////////////////////////////////////////////////////
s32 MIOS32_USB_COM_RxBufferGet(u8 usb_com)
{
#if MIOS32_USB_COM_NUM == 0
return -1; // no USB_COM available
#else
if( usb_com >= MIOS32_USB_COM_NUM )
return -1; // USB_COM not available
if( !rx_buffer_new_data_ctr )
return -2; // nothing new in buffer
// get byte - this operation should be atomic!
// MIOS32_IRQ_Disable();
// TODO: access buffer directly, so that we don't need to copy into temporary buffer
u8 buffer_out[MIOS32_USB_COM_DATA_OUT_SIZE];
PMAToUserBufferCopy(buffer_out, MIOS32_USB_ENDP3_RXADDR, GetEPRxCount(ENDP3));
u8 b = buffer_out[rx_buffer_ix++];
if( !--rx_buffer_new_data_ctr )
SetEPRxValid(ENDP3);
// MIOS32_IRQ_Enable();
return b; // return received byte
#endif
}
/*******************************************************************************
* Function Name : Mass_Storage_Out
* Description : Mass Storage OUT transfer.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void Mass_Storage_Out (void)
{
u8 CMD;
CMD = CBW.CB[0];
Data_Len = GetEPRxCount(ENDP2);
PMAToUserBufferCopy(Bulk_Data_Buff, ENDP2_RXADDR, Data_Len);
switch (Bot_State)
{
case BOT_IDLE:
CBW_Decode();
break;
case BOT_DATA_OUT:
if (CMD == SCSI_WRITE10)
{
SCSI_Write10_Cmd(SCSI_LBA , SCSI_BlkLen);
break;
}
Bot_Abort(DIR_OUT);
Set_Scsi_Sense_Data(ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND);
Set_CSW (CSW_PHASE_ERROR, SEND_CSW_DISABLE);
break;
default:
Bot_Abort(BOTH_DIR);
Set_Scsi_Sense_Data(ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND);
Set_CSW (CSW_PHASE_ERROR, SEND_CSW_DISABLE);
break;
}
}
/*******************************************************************************
* Function Name : USB_SIL_Read
* Description : Write a buffer of data to a selected endpoint.
* Input : - bEpAddr: The address of the non control endpoint.
* - pBufferPointer: The pointer to which will be saved the
* received data buffer.
* Output : None.
* Return : Number of received data (in Bytes).
*******************************************************************************/
uint32_t USB_SIL_Read(uint8_t bEpAddr, uint8_t* pBufferPointer)
{
uint32_t DataLength = 0;
#ifndef STM32F10X_CL
/* Get the number of received data on the selected Endpoint */
DataLength = GetEPRxCount(bEpAddr & 0x7F);
/* Use the memory interface function to write to the selected endpoint */
PMAToUserBufferCopy(pBufferPointer, GetEPRxAddr(bEpAddr & 0x7F), DataLength);
#else
USB_OTG_EP *ep;
/* Get the structure pointer of the selected Endpoint */
ep = PCD_GetOutEP(bEpAddr);
/* Get the number of received data */
DataLength = ep->xfer_len;
/* Use the PCD interface layer function to read the selected endpoint */
PCD_EP_Read (bEpAddr, pBufferPointer, DataLength);
#endif /* STM32F10X_CL */
/* Return the number of received data */
return DataLength;
}
/*******************************************************************************
* Function Name : EP1_OUT_Callback.
* Description : EP1 OUT Callback Routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void EP1_OUT_Callback(void)
{
u8 DataLen; //保存接收数据的长度
u8 DataBuffer[64]; //保存接收数据的缓冲区
DataLen = GetEPRxCount(ENDP1); //获取收到的长度
PMAToUserBufferCopy(DataBuffer, ENDP1_RXADDR, DataLen); //复制数据
SetEPRxValid(ENDP1); //设置端点有效，以接收下一次数据
if(DataLen==1) //收到一字节的输出报告
{
//D0位表示数字键盘灯，D1位表示大写字母锁定灯
// if(DataBuffer[0]&0x01) //数字键盘灯亮
// {
// GPIOC->BSRR=(1<<6); //亮LED3
// }
// else
// {
// GPIOC->BRR=(1<<6); //灭LED3
// }
// if(DataBuffer[0]&0x02) //大写字母锁定键
// {
// GPIOC->BSRR=(1<<7); //亮LED2
// }
// else
// {
// GPIOC->BRR=(1<<7); //灭LED2
// }
}
}
/*******************************************************************************
* Function Name : Mass_Storage_Out
* Description : Mass Storage OUT transfer.
* Input : None.
* Output : None.
* Return : None.
//USB->设备
*******************************************************************************/
void Mass_Storage_Out (void)
{
u8 CMD;
USB_STATUS_REG|=0X10;//标记轮询
CMD = CBW.CB[0];
Data_Len = GetEPRxCount(ENDP4);
PMAToUserBufferCopy(Bulk_Data_Buff, ENDP4_RXADDR, Data_Len);
//printf("Bot_State_out:%d;Data_Len=%d",Bot_State,Data_Len);
switch (Bot_State)
{
case BOT_IDLE:
CBW_Decode();
break;
case BOT_DATA_OUT://USB发送数据到设备
if (CMD == SCSI_WRITE10)
{
USB_STATUS_REG|=0X01;//标记正在写数据
SCSI_Write10_Cmd(CBW.bLUN , SCSI_LBA , SCSI_BlkLen);
break;
}
Bot_Abort(DIR_OUT);
Set_Scsi_Sense_Data(CBW.bLUN, ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND);
Set_CSW (CSW_PHASE_ERROR, SEND_CSW_DISABLE);
break;
default:
Bot_Abort(BOTH_DIR);
Set_Scsi_Sense_Data(CBW.bLUN, ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND);
Set_CSW (CSW_PHASE_ERROR, SEND_CSW_DISABLE);
break;
}
}
/*******************************************************************************
* Function Name : EP2_OUT_Callback.
* Description : EP2 OUT Callback Routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void EP2_OUT_Callback(void)
{
USB_R_Size = GetEPRxCount(ENDP2);
PMAToUserBufferCopy((u8 *)USB_R_Buffer, ENDP2_RXADDR, USB_R_Size);
SetEPRxStatus(ENDP2, EP_RX_VALID); /* enable the next transaction*/
USB_Receive_Flag = 0xff;
//Mass_Storage_Out();
}
/*******************************************************************************
* Function Name : EP3_OUT_Callback
* Description :
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void EP3_OUT_Callback(void)
{
Receive_length = GetEPRxCount(ENDP3); // Len data buffers USB.
PMAToUserBufferCopy((unsigned char*)Receive_Buffer, ENDP3_RXADDR, Receive_length);
//memcpy(&Command_Buffer[len_command], (unsigned char*)Receive_Buffer, Receive_length); //Copy buffers USB -> TEMP.
memset((unsigned char*)Receive_Buffer, 0, Receive_length); //Clear buffer USB.
SetEPRxValid(ENDP3);
}
/*******************************************************************************
* Function Name : EP1_OUT_Callback
* Description : Endpoint 1 out callback routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void EP1_OUT_Callback(void)
{
uint16_t Data_Len; /* data length*/
if (GetENDPOINT(ENDP1) & EP_DTOG_TX)
{
/*read from ENDP1_BUF0Addr buffer*/
Data_Len = GetEPDblBuf0Count(ENDP1);
PMAToUserBufferCopy(Stream_Buff, ENDP1_BUF0Addr, Data_Len);
}
else
{
/*read from ENDP1_BUF1Addr buffer*/
Data_Len = GetEPDblBuf1Count(ENDP1);
PMAToUserBufferCopy(Stream_Buff, ENDP1_BUF1Addr, Data_Len);
}
FreeUserBuffer(ENDP1, EP_DBUF_OUT);
In_Data_Offset += Data_Len;
}
static void PIOS_USB_CDC_DATA_EP_OUT_Callback(void)
{
struct pios_usb_cdc_dev * usb_cdc_dev = (struct pios_usb_cdc_dev *)pios_usb_cdc_id;
bool valid = PIOS_USB_CDC_validate(usb_cdc_dev);
PIOS_Assert(valid);
uint32_t DataLength;
/* Get the number of received data on the selected Endpoint */
DataLength = GetEPRxCount(usb_cdc_dev->cfg->data_rx_ep);
if (DataLength > sizeof(usb_cdc_dev->rx_packet_buffer)) {
usb_cdc_dev->rx_oversize++;
DataLength = sizeof(usb_cdc_dev->rx_packet_buffer);
}
/* Use the memory interface function to read from the selected endpoint */
PMAToUserBufferCopy((uint8_t *) usb_cdc_dev->rx_packet_buffer,
GetEPRxAddr(usb_cdc_dev->cfg->data_rx_ep),
DataLength);
if (!usb_cdc_dev->rx_in_cb) {
/* No Rx call back registered, disable the receiver */
SetEPRxStatus(usb_cdc_dev->cfg->data_rx_ep, EP_RX_NAK);
return;
}
uint16_t headroom;
bool need_yield = false;
uint16_t rc;
rc = (usb_cdc_dev->rx_in_cb)(usb_cdc_dev->rx_in_context,
usb_cdc_dev->rx_packet_buffer,
DataLength,
&headroom,
&need_yield);
if (rc < DataLength) {
/* Lost bytes on rx */
usb_cdc_dev->rx_dropped += (DataLength - rc);
}
if (headroom >= sizeof(usb_cdc_dev->rx_packet_buffer)) {
/* We have room for a maximum length message */
SetEPRxStatus(usb_cdc_dev->cfg->data_rx_ep, EP_RX_VALID);
} else {
/* Not enough room left for a message, apply backpressure */
SetEPRxStatus(usb_cdc_dev->cfg->data_rx_ep, EP_RX_NAK);
}
#if defined(PIOS_INCLUDE_FREERTOS)
if (need_yield) {
vPortYieldFromISR();
}
#endif /* PIOS_INCLUDE_FREERTOS */
}
/*******************************************************************************
* Function Name : USB_SIL_Read
* Description : Write a buffer of data to a selected endpoint.
* Input : - bEpAddr: The address of the non control endpoint.
* - pBufferPointer: The pointer to which will be saved the
* received data buffer.
* Output : None.
* Return : Number of received data (in Bytes).
*******************************************************************************/
uint32_t USB_SIL_Read(uint8_t bEpAddr, uint8_t* pBufferPointer) {
uint32_t DataLength = 0;
/* Get the number of received data on the selected Endpoint */
DataLength = GetEPRxCount(bEpAddr & 0x7F);
/* Use the memory interface function to write to the selected endpoint */
PMAToUserBufferCopy(pBufferPointer, GetEPRxAddr(bEpAddr & 0x7F), DataLength);
/* Return the number of received data */
return DataLength;
}
/*******************************************************************************
* Function Name : DataStageOut.
* Description : Data stage of a Control Write Transfer.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void DataStageOut(void)
{
ENDPOINT_INFO *pEPinfo = &pInformation->Ctrl_Info;
uint32_t save_rLength;
save_rLength = pEPinfo->Usb_rLength;
if (pEPinfo->CopyDataOut && save_rLength)
{
uint8_t *Buffer;
uint32_t Length;
Length = pEPinfo->PacketSize;
if (Length > save_rLength)
{
Length = save_rLength;
}
Buffer = (*pEPinfo->CopyDataOut)(Length);
pEPinfo->Usb_rLength -= Length;
pEPinfo->Usb_rOffset += Length;
#ifdef STM32F10X_CL
PCD_EP_Read(ENDP0, Buffer, Length);
#else
PMAToUserBufferCopy(Buffer, GetEPRxAddr(ENDP0), Length);
#endif /* STM32F10X_CL */
}
if (pEPinfo->Usb_rLength != 0)
{
vSetEPRxStatus(EP_RX_VALID);/* re-enable for next data reception */
SetEPTxCount(ENDP0, 0);
vSetEPTxStatus(EP_TX_VALID);/* Expect the host to abort the data OUT stage */
}
/* Set the next State*/
if (pEPinfo->Usb_rLength >= pEPinfo->PacketSize)
{
pInformation->ControlState = OUT_DATA;
}
else
{
if (pEPinfo->Usb_rLength > 0)
{
pInformation->ControlState = LAST_OUT_DATA;
}
else if (pEPinfo->Usb_rLength == 0)
{
pInformation->ControlState = WAIT_STATUS_IN;
USB_StatusIn();
}
}
}
/*******************************************************************************
* Function Name : EP3_OUT_Callback
* Description : EP3 OUT Callback Routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void EP3_OUT_Callback(void)
{
/* Get the number of received data on the selected Endpoint */
USB_Rx_length = GetEPRxCount(ENDP3);
/* Use the memory interface function to write to the selected endpoint */
PMAToUserBufferCopy(USB_Rx_Buffer, ENDP3_RXADDR, USB_Rx_length);
/* USB data should be immediately processed, this allow next USB traffic being
NAKed till the end of the processing */
USB_Rx_State = 1;
USB_Rx_ptr = 0;
}
void EP3_OUT_Callback(void)
{
uint8_t i;
UsbRxLength = GetEPRxCount( ENDP3 );
PMAToUserBufferCopy( ( unsigned char* )UsbRxBuffer, ENDP3_RXADDR, UsbRxLength );
for( i = 0; i < UsbRxLength; i++ )
{
if( IsFifoFull( &UartUsb.FifoRx ) == false )
{
// Read one byte from the receive data register
FifoPush( &UartUsb.FifoRx, UsbRxBuffer[i] );
}
}
if( UartUsb.IrqNotify != NULL )
{
UartUsb.IrqNotify( UART_NOTIFY_RX );
}
}
/**
* @brief Correct Transfer interrupt's service
* @param None
* @retval None
*/
void CTR(void)
{
USB_EP *ep;
uint16_t count=0;
uint8_t EPindex;
__IO uint16_t wIstr;
__IO uint16_t wEPVal = 0;
/* stay in loop while pending interrupts */
while (((wIstr = _GetISTR()) & ISTR_CTR) != 0)
{
/* extract highest priority endpoint number */
EPindex = (uint8_t)(wIstr & ISTR_EP_ID);
if (EPindex == 0)
{
/* Decode and service control endpoint interrupt */
/* DIR bit = origin of the interrupt */
if ((wIstr & ISTR_DIR) == 0)
{
/* DIR = 0 */
/* DIR = 0 => IN int */
/* DIR = 0 implies that (EP_CTR_TX = 1) always */
_ClearEP_CTR_TX(ENDP0);
ep = &((&USB_Device_dev)->dev.in_ep[0]);
ep->xfer_count = GetEPTxCount(ep->num);
ep->xfer_buff += ep->xfer_count;
/* TX COMPLETE */
USBD_DCD_INT_fops->DataInStage(&USB_Device_dev, 0x00);
}
else
{
/* DIR = 1 */
/* DIR = 1 & CTR_RX => SETUP or OUT int */
/* DIR = 1 & (CTR_TX | CTR_RX) => 2 int pending */
ep = &((&USB_Device_dev)->dev.out_ep[0]);
wEPVal = _GetENDPOINT(ENDP0);
if ((wEPVal &EP_SETUP) != 0)
{
/* Get SETUP Packet*/
ep->xfer_count = GetEPRxCount(ep->num);
PMAToUserBufferCopy(&((&USB_Device_dev)->dev.setup_packet[0]),ep->pmaadress , ep->xfer_count);
/* SETUP bit kept frozen while CTR_RX = 1*/
_ClearEP_CTR_RX(ENDP0);
/* Process SETUP Packet*/
USBD_DCD_INT_fops->SetupStage(&USB_Device_dev);
}
else if ((wEPVal & EP_CTR_RX) != 0)
{
_ClearEP_CTR_RX(ENDP0);
/* Get Control Data OUT Packet*/
ep->xfer_count = GetEPRxCount(ep->num);
if (ep->xfer_count != 0)
{
PMAToUserBufferCopy(ep->xfer_buff, ep->pmaadress, ep->xfer_count);
ep->xfer_buff+=ep->xfer_count;
}
/* Process Control Data OUT Packet*/
USBD_DCD_INT_fops->DataOutStage(&USB_Device_dev, 0x00);
_SetEPRxCount(ENDP0, ep->maxpacket);
_SetEPRxStatus(ENDP0,EP_RX_VALID);
}
}
}/* if(EPindex == 0) */
else
{
/* Decode and service non control endpoints interrupt */
/* process related endpoint register */
wEPVal = _GetENDPOINT(EPindex);
if ((wEPVal & EP_CTR_RX) != 0)
{
/* clear int flag */
_ClearEP_CTR_RX(EPindex);
ep = &((&USB_Device_dev)->dev.out_ep[EPindex]);
/* OUT double Buffering*/
if (ep->doublebuffer == 0)
{
count = GetEPRxCount(ep->num);
if (count != 0)
{
PMAToUserBufferCopy(ep->xfer_buff, ep->pmaadress, count);
}
}
else
{
if (GetENDPOINT(ep->num) & EP_DTOG_RX)
{
/*read from endpoint BUF0Addr buffer*/
count = GetEPDblBuf0Count(ep->num);
if (count != 0)
{
PMAToUserBufferCopy(ep->xfer_buff, ep->pmaaddr0, count);
}
}
else
{
/*read from endpoint BUF1Addr buffer*/
count = GetEPDblBuf1Count(ep->num);
if (count != 0)
{
PMAToUserBufferCopy(ep->xfer_buff, ep->pmaaddr1, count);
}
}
FreeUserBuffer(ep->num, EP_DBUF_OUT);
}
/*multi-packet on the NON control OUT endpoint*/
ep->xfer_count+=count;
ep->xfer_buff+=count;
if ((ep->xfer_len == 0) || (count < ep->maxpacket))
{
/* RX COMPLETE */
USBD_DCD_INT_fops->DataOutStage(&USB_Device_dev, ep->num);
}
else
{
DCD_EP_PrepareRx (&USB_Device_dev,ep->num, ep->xfer_buff, ep->xfer_len);
}
} /* if((wEPVal & EP_CTR_RX) */
if ((wEPVal & EP_CTR_TX) != 0)
{
ep = &((&USB_Device_dev)->dev.in_ep[EPindex]);
/* clear int flag */
_ClearEP_CTR_TX(EPindex);
/* IN double Buffering*/
if (ep->doublebuffer == 0)
{
ep->xfer_count = GetEPTxCount(ep->num);
if (ep->xfer_count != 0)
{
UserToPMABufferCopy(ep->xfer_buff, ep->pmaadress, ep->xfer_count);
}
}
else
{
if (GetENDPOINT(ep->num) & EP_DTOG_TX)
{
/*read from endpoint BUF0Addr buffer*/
ep->xfer_count = GetEPDblBuf0Count(ep->num);
if (ep->xfer_count != 0)
{
UserToPMABufferCopy(ep->xfer_buff, ep->pmaaddr0, ep->xfer_count);
}
}
else
{
/*read from endpoint BUF1Addr buffer*/
ep->xfer_count = GetEPDblBuf1Count(ep->num);
if (ep->xfer_count != 0)
{
UserToPMABufferCopy(ep->xfer_buff, ep->pmaaddr1, ep->xfer_count);
}
}
FreeUserBuffer(ep->num, EP_DBUF_IN);
}
/*multi-packet on the NON control IN endpoint*/
ep->xfer_count =GetEPTxCount(ep->num);
ep->xfer_buff+=ep->xfer_count;
/* Zero Length Packet? */
if (ep->xfer_len == 0)
{
/* TX COMPLETE */
USBD_DCD_INT_fops->DataInStage(&USB_Device_dev, ep->num);
}
else
{
DCD_EP_Tx (&USB_Device_dev,ep->num, ep->xfer_buff, ep->xfer_len);
}
} /* if((wEPVal & EP_CTR_TX) != 0) */
}/* if(EPindex == 0) else */
}/* while(...) */
}
/*******************************************************************************
* Function Name : EP3_OUT_Callback
* Description :
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void EP3_OUT_Callback(void)
{
receiveLength = GetEPRxCount(ENDP3); // HJI
PMAToUserBufferCopy((unsigned char*)receiveBuffer, ENDP3_RXADDR, receiveLength); // HJI
}
/**
* EP1 OUT Callback Routine
*/
static void PIOS_USB_HID_EP_OUT_Callback(void)
{
struct pios_usb_hid_dev * usb_hid_dev = (struct pios_usb_hid_dev *)pios_usb_hid_id;
bool valid = PIOS_USB_HID_validate(usb_hid_dev);
PIOS_Assert(valid);
uint32_t DataLength;
/* Read received data (63 bytes) */
/* Get the number of received data on the selected Endpoint */
DataLength = GetEPRxCount(usb_hid_dev->cfg->data_rx_ep);
if (DataLength > sizeof(usb_hid_dev->rx_packet_buffer)) {
DataLength = sizeof(usb_hid_dev->rx_packet_buffer);
}
/* Use the memory interface function to read from the selected endpoint */
PMAToUserBufferCopy((uint8_t *) usb_hid_dev->rx_packet_buffer,
GetEPRxAddr(usb_hid_dev->cfg->data_rx_ep),
DataLength);
if (!usb_hid_dev->rx_in_cb) {
/* No Rx call back registered, disable the receiver */
SetEPRxStatus(usb_hid_dev->cfg->data_rx_ep, EP_RX_NAK);
return;
}
/* The first byte is report ID (not checked), the second byte is the valid data length */
uint16_t headroom;
bool need_yield = false;
#ifdef PIOS_USB_BOARD_BL_HID_HAS_NO_LENGTH_BYTE
(usb_hid_dev->rx_in_cb)(usb_hid_dev->rx_in_context,
&usb_hid_dev->rx_packet_buffer[1],
sizeof(usb_hid_dev->rx_packet_buffer)-1,
&headroom,
&need_yield);
#else
(usb_hid_dev->rx_in_cb)(usb_hid_dev->rx_in_context,
&usb_hid_dev->rx_packet_buffer[2],
usb_hid_dev->rx_packet_buffer[1],
&headroom,
&need_yield);
#endif
#ifdef PIOS_USB_BOARD_BL_HID_HAS_NO_LENGTH_BYTE
uint16_t max_payload_length = PIOS_USB_BOARD_HID_DATA_LENGTH - 1;
#else
uint16_t max_payload_length = PIOS_USB_BOARD_HID_DATA_LENGTH - 2;
#endif
if (headroom >= max_payload_length) {
/* We have room for a maximum length message */
SetEPRxStatus(usb_hid_dev->cfg->data_rx_ep, EP_RX_VALID);
} else {
/* Not enough room left for a message, apply backpressure */
SetEPRxStatus(usb_hid_dev->cfg->data_rx_ep, EP_RX_NAK);
}
#if defined(PIOS_INCLUDE_FREERTOS)
if (need_yield) {
vPortYieldFromISR();
}
#endif /* PIOS_INCLUDE_FREERTOS */
}
/*******************************************************************************
* Function Name : EP3_OUT_Callback
* Description :
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void EP3_OUT_Callback(void)
{
packet_receive = 1;
Receive_length = GetEPRxCount(ENDP3);
PMAToUserBufferCopy((unsigned char*)Receive_Buffer, ENDP3_RXADDR, Receive_length);
}
void EP1_OUT_Callback(void)//stm32接收数完成，中断就会调用这个服务函数
{
USB_ReceiveFlg = TRUE;
PMAToUserBufferCopy(Receive_Buffer, ENDP1_RXADDR,ReceiveLength);
SetEPRxStatus(ENDP1, EP_RX_VALID);
}
