/*******************************************************************************
* 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();
}
}
}
/*******************************************************************************
* 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 : NoData_Setup0.
* Description : Proceed the processing of setup request without data stage.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void NoData_Setup0(void) {
RESULT Result = USB_UNSUPPORT;
uint32_t RequestNo = pInformation->USBbRequest;
uint32_t ControlState;
if(Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT)) {
/* Device Request*/
/* SET_CONFIGURATION*/
if(RequestNo == SET_CONFIGURATION) {
Result = Standard_SetConfiguration();
}
/*SET ADDRESS*/
else if(RequestNo == SET_ADDRESS) {
if((pInformation->USBwValue0 > 127) || (pInformation->USBwValue1 != 0) || (pInformation->USBwIndex != 0) ||
(pInformation->Current_Configuration != 0))
/* Device Address should be 127 or less*/
{
ControlState = STALLED;
goto exit_NoData_Setup0;
} else {
Result = USB_SUCCESS;
#ifdef STM32F10X_CL
SetDeviceAddress(pInformation->USBwValue0);
#endif /* STM32F10X_CL */
}
}
/*SET FEATURE for Device*/
else if(RequestNo == SET_FEATURE) {
if((pInformation->USBwValue0 == DEVICE_REMOTE_WAKEUP) && (pInformation->USBwIndex == 0)) {
Result = Standard_SetDeviceFeature();
} else {
Result = USB_UNSUPPORT;
}
}
/*Clear FEATURE for Device */
else if(RequestNo == CLEAR_FEATURE) {
if(pInformation->USBwValue0 == DEVICE_REMOTE_WAKEUP && pInformation->USBwIndex == 0 &&
ValBit(pInformation->Current_Feature, 5)) {
Result = Standard_ClearFeature();
} else {
Result = USB_UNSUPPORT;
}
}
}
/* Interface Request*/
else if(Type_Recipient == (STANDARD_REQUEST | INTERFACE_RECIPIENT)) {
/*SET INTERFACE*/
if(RequestNo == SET_INTERFACE) {
Result = Standard_SetInterface();
}
}
/* EndPoint Request*/
else if(Type_Recipient == (STANDARD_REQUEST | ENDPOINT_RECIPIENT)) {
/*CLEAR FEATURE for EndPoint*/
if(RequestNo == CLEAR_FEATURE) {
Result = Standard_ClearFeature();
}
/* SET FEATURE for EndPoint*/
else if(RequestNo == SET_FEATURE) {
Result = Standard_SetEndPointFeature();
}
} else {
Result = USB_UNSUPPORT;
}
if(Result != USB_SUCCESS) {
Result = (*pProperty->Class_NoData_Setup)(RequestNo);
if(Result == USB_NOT_READY) {
ControlState = PAUSE;
goto exit_NoData_Setup0;
}
}
if(Result != USB_SUCCESS) {
ControlState = STALLED;
goto exit_NoData_Setup0;
}
ControlState = WAIT_STATUS_IN; /* After no data stage SETUP */
USB_StatusIn();
exit_NoData_Setup0:
pInformation->ControlState = ControlState;
return;
}